Line data Source code
1 : /*
2 : * WPA Supplicant - Driver event processing
3 : * Copyright (c) 2003-2015, 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 "crypto/random.h"
32 : #include "blacklist.h"
33 : #include "wpas_glue.h"
34 : #include "wps_supplicant.h"
35 : #include "ibss_rsn.h"
36 : #include "sme.h"
37 : #include "gas_query.h"
38 : #include "p2p_supplicant.h"
39 : #include "bgscan.h"
40 : #include "autoscan.h"
41 : #include "ap.h"
42 : #include "bss.h"
43 : #include "scan.h"
44 : #include "offchannel.h"
45 : #include "interworking.h"
46 : #include "mesh.h"
47 : #include "mesh_mpm.h"
48 : #include "wmm_ac.h"
49 :
50 :
51 : #ifndef CONFIG_NO_SCAN_PROCESSING
52 : static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
53 : int new_scan, int own_request);
54 : #endif /* CONFIG_NO_SCAN_PROCESSING */
55 :
56 :
57 11123 : static int wpas_temp_disabled(struct wpa_supplicant *wpa_s,
58 : struct wpa_ssid *ssid)
59 : {
60 : struct os_reltime now;
61 :
62 11123 : if (ssid == NULL || ssid->disabled_until.sec == 0)
63 11107 : return 0;
64 :
65 16 : os_get_reltime(&now);
66 16 : if (ssid->disabled_until.sec > now.sec)
67 15 : return ssid->disabled_until.sec - now.sec;
68 :
69 1 : wpas_clear_temp_disabled(wpa_s, ssid, 0);
70 :
71 1 : return 0;
72 : }
73 :
74 :
75 : #ifndef CONFIG_NO_SCAN_PROCESSING
76 : /**
77 : * wpas_reenabled_network_time - Time until first network is re-enabled
78 : * @wpa_s: Pointer to wpa_supplicant data
79 : * Returns: If all enabled networks are temporarily disabled, returns the time
80 : * (in sec) until the first network is re-enabled. Otherwise returns 0.
81 : *
82 : * This function is used in case all enabled networks are temporarily disabled,
83 : * in which case it returns the time (in sec) that the first network will be
84 : * re-enabled. The function assumes that at least one network is enabled.
85 : */
86 5831 : static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
87 : {
88 : struct wpa_ssid *ssid;
89 5831 : int disabled_for, res = 0;
90 :
91 : #ifdef CONFIG_INTERWORKING
92 5874 : if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
93 43 : wpa_s->conf->cred)
94 43 : return 0;
95 : #endif /* CONFIG_INTERWORKING */
96 :
97 6329 : for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
98 5725 : if (ssid->disabled)
99 527 : continue;
100 :
101 5198 : disabled_for = wpas_temp_disabled(wpa_s, ssid);
102 5198 : if (!disabled_for)
103 5184 : return 0;
104 :
105 14 : if (!res || disabled_for < res)
106 14 : res = disabled_for;
107 : }
108 :
109 604 : return res;
110 : }
111 : #endif /* CONFIG_NO_SCAN_PROCESSING */
112 :
113 :
114 1 : void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
115 : {
116 1 : struct wpa_supplicant *wpa_s = eloop_ctx;
117 :
118 1 : if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
119 1 : return;
120 :
121 1 : wpa_dbg(wpa_s, MSG_DEBUG,
122 : "Try to associate due to network getting re-enabled");
123 1 : if (wpa_supplicant_fast_associate(wpa_s) != 1) {
124 1 : wpa_supplicant_cancel_sched_scan(wpa_s);
125 1 : wpa_supplicant_req_scan(wpa_s, 0, 0);
126 : }
127 : }
128 :
129 :
130 4795 : static struct wpa_bss * wpa_supplicant_get_new_bss(
131 : struct wpa_supplicant *wpa_s, const u8 *bssid)
132 : {
133 4795 : struct wpa_bss *bss = NULL;
134 4795 : struct wpa_ssid *ssid = wpa_s->current_ssid;
135 :
136 4795 : if (ssid->ssid_len > 0)
137 4507 : bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
138 4795 : if (!bss)
139 307 : bss = wpa_bss_get_bssid(wpa_s, bssid);
140 :
141 4795 : return bss;
142 : }
143 :
144 :
145 4776 : static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
146 : {
147 4776 : struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
148 :
149 4776 : if (!bss) {
150 19 : wpa_supplicant_update_scan_results(wpa_s);
151 :
152 : /* Get the BSS from the new scan results */
153 19 : bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
154 : }
155 :
156 4776 : if (bss)
157 4776 : wpa_s->current_bss = bss;
158 4776 : }
159 :
160 :
161 4781 : static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
162 : {
163 : struct wpa_ssid *ssid, *old_ssid;
164 : u8 drv_ssid[SSID_MAX_LEN];
165 : size_t drv_ssid_len;
166 : int res;
167 :
168 4781 : if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
169 4761 : wpa_supplicant_update_current_bss(wpa_s);
170 :
171 4761 : if (wpa_s->current_ssid->ssid_len == 0)
172 285 : return 0; /* current profile still in use */
173 4476 : res = wpa_drv_get_ssid(wpa_s, drv_ssid);
174 4476 : if (res < 0) {
175 0 : wpa_msg(wpa_s, MSG_INFO,
176 : "Failed to read SSID from driver");
177 0 : return 0; /* try to use current profile */
178 : }
179 4476 : drv_ssid_len = res;
180 :
181 8952 : if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
182 4476 : os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
183 : drv_ssid_len) == 0)
184 4476 : return 0; /* current profile still in use */
185 :
186 0 : wpa_msg(wpa_s, MSG_DEBUG,
187 : "Driver-initiated BSS selection changed the SSID to %s",
188 : wpa_ssid_txt(drv_ssid, drv_ssid_len));
189 : /* continue selecting a new network profile */
190 : }
191 :
192 20 : wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
193 : "information");
194 20 : ssid = wpa_supplicant_get_ssid(wpa_s);
195 20 : if (ssid == NULL) {
196 4 : wpa_msg(wpa_s, MSG_INFO,
197 : "No network configuration found for the current AP");
198 4 : return -1;
199 : }
200 :
201 16 : if (wpas_network_disabled(wpa_s, ssid)) {
202 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
203 0 : return -1;
204 : }
205 :
206 31 : if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
207 15 : disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
208 1 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
209 1 : return -1;
210 : }
211 :
212 15 : res = wpas_temp_disabled(wpa_s, ssid);
213 15 : if (res > 0) {
214 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
215 : "disabled for %d second(s)", res);
216 0 : return -1;
217 : }
218 :
219 15 : wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
220 : "current AP");
221 15 : if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
222 : u8 wpa_ie[80];
223 6 : size_t wpa_ie_len = sizeof(wpa_ie);
224 6 : if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
225 : wpa_ie, &wpa_ie_len) < 0)
226 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
227 : } else {
228 9 : wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
229 : }
230 :
231 15 : if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
232 0 : eapol_sm_invalidate_cached_session(wpa_s->eapol);
233 15 : old_ssid = wpa_s->current_ssid;
234 15 : wpa_s->current_ssid = ssid;
235 :
236 15 : wpa_supplicant_update_current_bss(wpa_s);
237 :
238 15 : wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
239 15 : wpa_supplicant_initiate_eapol(wpa_s);
240 15 : if (old_ssid != wpa_s->current_ssid)
241 8 : wpas_notify_network_changed(wpa_s);
242 :
243 15 : return 0;
244 : }
245 :
246 :
247 6060 : void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
248 : {
249 6060 : struct wpa_supplicant *wpa_s = eloop_ctx;
250 :
251 6060 : if (wpa_s->countermeasures) {
252 1 : wpa_s->countermeasures = 0;
253 1 : wpa_drv_set_countermeasures(wpa_s, 0);
254 1 : wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
255 :
256 : /*
257 : * It is possible that the device is sched scanning, which means
258 : * that a connection attempt will be done only when we receive
259 : * scan results. However, in this case, it would be preferable
260 : * to scan and connect immediately, so cancel the sched_scan and
261 : * issue a regular scan flow.
262 : */
263 1 : wpa_supplicant_cancel_sched_scan(wpa_s);
264 1 : wpa_supplicant_req_scan(wpa_s, 0, 0);
265 : }
266 6060 : }
267 :
268 :
269 10398 : void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
270 : {
271 : int bssid_changed;
272 :
273 10398 : wnm_bss_keep_alive_deinit(wpa_s);
274 :
275 : #ifdef CONFIG_IBSS_RSN
276 10398 : ibss_rsn_deinit(wpa_s->ibss_rsn);
277 10398 : wpa_s->ibss_rsn = NULL;
278 : #endif /* CONFIG_IBSS_RSN */
279 :
280 : #ifdef CONFIG_AP
281 10398 : wpa_supplicant_ap_deinit(wpa_s);
282 : #endif /* CONFIG_AP */
283 :
284 : #ifdef CONFIG_HS20
285 : /* Clear possibly configured frame filters */
286 10398 : wpa_drv_configure_frame_filters(wpa_s, 0);
287 : #endif /* CONFIG_HS20 */
288 :
289 10398 : if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
290 10488 : return;
291 :
292 10308 : wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
293 10308 : bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
294 10308 : os_memset(wpa_s->bssid, 0, ETH_ALEN);
295 10308 : os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
296 10308 : sme_clear_on_disassoc(wpa_s);
297 10308 : wpa_s->current_bss = NULL;
298 10308 : wpa_s->assoc_freq = 0;
299 :
300 10308 : if (bssid_changed)
301 4609 : wpas_notify_bssid_changed(wpa_s);
302 :
303 10308 : eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
304 10308 : eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
305 10308 : if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
306 1162 : eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
307 10308 : wpa_s->ap_ies_from_associnfo = 0;
308 10308 : wpa_s->current_ssid = NULL;
309 10308 : eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
310 10308 : wpa_s->key_mgmt = 0;
311 :
312 10308 : wpas_rrm_reset(wpa_s);
313 10308 : wpa_s->wnmsleep_used = 0;
314 : }
315 :
316 :
317 0 : static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
318 : {
319 : struct wpa_ie_data ie;
320 0 : int pmksa_set = -1;
321 : size_t i;
322 :
323 0 : if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
324 0 : ie.pmkid == NULL)
325 0 : return;
326 :
327 0 : for (i = 0; i < ie.num_pmkid; i++) {
328 0 : pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
329 0 : ie.pmkid + i * PMKID_LEN,
330 : NULL, NULL, 0);
331 0 : if (pmksa_set == 0) {
332 0 : eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
333 0 : break;
334 : }
335 : }
336 :
337 0 : wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
338 : "PMKSA cache", pmksa_set == 0 ? "" : "not ");
339 : }
340 :
341 :
342 0 : static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
343 : union wpa_event_data *data)
344 : {
345 0 : if (data == NULL) {
346 0 : wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
347 : "event");
348 0 : return;
349 : }
350 0 : wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
351 : " index=%d preauth=%d",
352 : MAC2STR(data->pmkid_candidate.bssid),
353 : data->pmkid_candidate.index,
354 : data->pmkid_candidate.preauth);
355 :
356 0 : pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
357 : data->pmkid_candidate.index,
358 : data->pmkid_candidate.preauth);
359 : }
360 :
361 :
362 9717 : static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
363 : {
364 17983 : if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
365 8266 : wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
366 1456 : return 0;
367 :
368 : #ifdef IEEE8021X_EAPOL
369 8302 : if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
370 82 : wpa_s->current_ssid &&
371 41 : !(wpa_s->current_ssid->eapol_flags &
372 : (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
373 : EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
374 : /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
375 : * plaintext or static WEP keys). */
376 29 : return 0;
377 : }
378 : #endif /* IEEE8021X_EAPOL */
379 :
380 8232 : return 1;
381 : }
382 :
383 :
384 : /**
385 : * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
386 : * @wpa_s: pointer to wpa_supplicant data
387 : * @ssid: Configuration data for the network
388 : * Returns: 0 on success, -1 on failure
389 : *
390 : * This function is called when starting authentication with a network that is
391 : * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
392 : */
393 9718 : int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
394 : struct wpa_ssid *ssid)
395 : {
396 : #ifdef IEEE8021X_EAPOL
397 : #ifdef PCSC_FUNCS
398 : int aka = 0, sim = 0;
399 :
400 : if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
401 : wpa_s->scard != NULL || wpa_s->conf->external_sim)
402 : return 0;
403 :
404 : if (ssid == NULL || ssid->eap.eap_methods == NULL) {
405 : sim = 1;
406 : aka = 1;
407 : } else {
408 : struct eap_method_type *eap = ssid->eap.eap_methods;
409 : while (eap->vendor != EAP_VENDOR_IETF ||
410 : eap->method != EAP_TYPE_NONE) {
411 : if (eap->vendor == EAP_VENDOR_IETF) {
412 : if (eap->method == EAP_TYPE_SIM)
413 : sim = 1;
414 : else if (eap->method == EAP_TYPE_AKA ||
415 : eap->method == EAP_TYPE_AKA_PRIME)
416 : aka = 1;
417 : }
418 : eap++;
419 : }
420 : }
421 :
422 : if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
423 : sim = 0;
424 : if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
425 : eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
426 : NULL)
427 : aka = 0;
428 :
429 : if (!sim && !aka) {
430 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
431 : "use SIM, but neither EAP-SIM nor EAP-AKA are "
432 : "enabled");
433 : return 0;
434 : }
435 :
436 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
437 : "(sim=%d aka=%d) - initialize PCSC", sim, aka);
438 :
439 : wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
440 : if (wpa_s->scard == NULL) {
441 : wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
442 : "(pcsc-lite)");
443 : return -1;
444 : }
445 : wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
446 : eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
447 : #endif /* PCSC_FUNCS */
448 : #endif /* IEEE8021X_EAPOL */
449 :
450 9718 : return 0;
451 : }
452 :
453 :
454 : #ifndef CONFIG_NO_SCAN_PROCESSING
455 :
456 5183 : static int has_wep_key(struct wpa_ssid *ssid)
457 : {
458 : int i;
459 :
460 25807 : for (i = 0; i < NUM_WEP_KEYS; i++) {
461 20651 : if (ssid->wep_key_len[i])
462 27 : return 1;
463 : }
464 :
465 5156 : return 0;
466 : }
467 :
468 :
469 5206 : static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
470 : struct wpa_ssid *ssid)
471 : {
472 5206 : int privacy = 0;
473 :
474 5206 : if (ssid->mixed_cell)
475 0 : return 1;
476 :
477 : #ifdef CONFIG_WPS
478 5206 : if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
479 544 : return 1;
480 : #endif /* CONFIG_WPS */
481 :
482 4662 : if (has_wep_key(ssid))
483 27 : privacy = 1;
484 :
485 : #ifdef IEEE8021X_EAPOL
486 4683 : if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
487 21 : ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
488 : EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
489 6 : privacy = 1;
490 : #endif /* IEEE8021X_EAPOL */
491 :
492 4662 : if (wpa_key_mgmt_wpa(ssid->key_mgmt))
493 3793 : privacy = 1;
494 :
495 4662 : if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
496 2 : privacy = 1;
497 :
498 4662 : if (bss->caps & IEEE80211_CAP_PRIVACY)
499 3829 : return privacy;
500 833 : return !privacy;
501 : }
502 :
503 :
504 5359 : static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
505 : struct wpa_ssid *ssid,
506 : struct wpa_bss *bss)
507 : {
508 : struct wpa_ie_data ie;
509 5359 : int proto_match = 0;
510 : const u8 *rsn_ie, *wpa_ie;
511 : int ret;
512 : int wep_ok;
513 :
514 5359 : ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
515 5359 : if (ret >= 0)
516 639 : return ret;
517 :
518 : /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
519 5636 : wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
520 1717 : (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
521 1691 : ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
522 844 : (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
523 :
524 4720 : rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
525 4720 : while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
526 3745 : proto_match++;
527 :
528 3745 : if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
529 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
530 : "failed");
531 0 : break;
532 : }
533 :
534 3745 : if (wep_ok &&
535 0 : (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
536 : {
537 0 : wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
538 : "in RSN IE");
539 0 : return 1;
540 : }
541 :
542 3745 : if (!(ie.proto & ssid->proto)) {
543 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
544 : "mismatch");
545 0 : break;
546 : }
547 :
548 3745 : if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
549 1 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
550 : "cipher mismatch");
551 1 : break;
552 : }
553 :
554 3744 : if (!(ie.group_cipher & ssid->group_cipher)) {
555 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
556 : "cipher mismatch");
557 0 : break;
558 : }
559 :
560 3744 : if (!(ie.key_mgmt & ssid->key_mgmt)) {
561 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
562 : "mismatch");
563 0 : break;
564 : }
565 :
566 : #ifdef CONFIG_IEEE80211W
567 7296 : if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
568 3552 : wpas_get_ssid_pmf(wpa_s, ssid) ==
569 : MGMT_FRAME_PROTECTION_REQUIRED) {
570 2 : wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
571 : "frame protection");
572 2 : break;
573 : }
574 : #endif /* CONFIG_IEEE80211W */
575 3788 : if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
576 46 : wpas_get_ssid_pmf(wpa_s, ssid) ==
577 : NO_MGMT_FRAME_PROTECTION) {
578 1 : wpa_dbg(wpa_s, MSG_DEBUG,
579 : " skip RSN IE - no mgmt frame protection enabled but AP requires it");
580 1 : break;
581 : }
582 : #ifdef CONFIG_MBO
583 7291 : if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
584 3550 : wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) &&
585 0 : wpas_get_ssid_pmf(wpa_s, ssid) !=
586 : NO_MGMT_FRAME_PROTECTION) {
587 0 : wpa_dbg(wpa_s, MSG_DEBUG,
588 : " skip RSN IE - no mgmt frame protection enabled on MBO AP");
589 0 : break;
590 : }
591 : #endif /* CONFIG_MBO */
592 :
593 3741 : wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
594 3741 : return 1;
595 : }
596 :
597 : #ifdef CONFIG_IEEE80211W
598 979 : if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) {
599 3 : wpa_dbg(wpa_s, MSG_DEBUG,
600 : " skip - MFP Required but network not MFP Capable");
601 3 : return 0;
602 : }
603 : #endif /* CONFIG_IEEE80211W */
604 :
605 976 : wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
606 976 : while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
607 52 : proto_match++;
608 :
609 52 : if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
610 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
611 : "failed");
612 0 : break;
613 : }
614 :
615 52 : if (wep_ok &&
616 0 : (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
617 : {
618 0 : wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
619 : "in WPA IE");
620 0 : return 1;
621 : }
622 :
623 52 : if (!(ie.proto & ssid->proto)) {
624 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
625 : "mismatch");
626 0 : break;
627 : }
628 :
629 52 : if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
630 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
631 : "cipher mismatch");
632 0 : break;
633 : }
634 :
635 52 : if (!(ie.group_cipher & ssid->group_cipher)) {
636 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
637 : "cipher mismatch");
638 0 : break;
639 : }
640 :
641 52 : if (!(ie.key_mgmt & ssid->key_mgmt)) {
642 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
643 : "mismatch");
644 0 : break;
645 : }
646 :
647 52 : wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
648 52 : return 1;
649 : }
650 :
651 924 : if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
652 : !rsn_ie) {
653 21 : wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
654 21 : return 1;
655 : }
656 :
657 1801 : if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
658 953 : wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
659 54 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
660 54 : return 0;
661 : }
662 :
663 851 : if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
664 2 : wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
665 2 : wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
666 2 : return 1;
667 : }
668 :
669 847 : if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
670 846 : wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
671 846 : return 1;
672 : }
673 :
674 1 : wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
675 : "WPA/WPA2");
676 :
677 1 : return 0;
678 : }
679 :
680 :
681 5195 : static int freq_allowed(int *freqs, int freq)
682 : {
683 : int i;
684 :
685 5195 : if (freqs == NULL)
686 5191 : return 1;
687 :
688 6 : for (i = 0; freqs[i]; i++)
689 4 : if (freqs[i] == freq)
690 2 : return 1;
691 2 : return 0;
692 : }
693 :
694 :
695 5193 : static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
696 : {
697 5193 : const struct hostapd_hw_modes *mode = NULL, *modes;
698 5193 : const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
699 : const u8 *rate_ie;
700 : int i, j, k;
701 :
702 5193 : if (bss->freq == 0)
703 0 : return 1; /* Cannot do matching without knowing band */
704 :
705 5193 : modes = wpa_s->hw.modes;
706 5193 : if (modes == NULL) {
707 : /*
708 : * The driver does not provide any additional information
709 : * about the utilized hardware, so allow the connection attempt
710 : * to continue.
711 : */
712 14 : return 1;
713 : }
714 :
715 20716 : for (i = 0; i < wpa_s->hw.num_modes; i++) {
716 148795 : for (j = 0; j < modes[i].num_channels; j++) {
717 143378 : int freq = modes[i].channels[j].freq;
718 143378 : if (freq == bss->freq) {
719 15061 : if (mode &&
720 4941 : mode->mode == HOSTAPD_MODE_IEEE80211G)
721 4941 : break; /* do not allow 802.11b replace
722 : * 802.11g */
723 5179 : mode = &modes[i];
724 5179 : break;
725 : }
726 : }
727 : }
728 :
729 5179 : if (mode == NULL)
730 0 : return 0;
731 :
732 15537 : for (i = 0; i < (int) sizeof(scan_ie); i++) {
733 10358 : rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
734 10358 : if (rate_ie == NULL)
735 1055 : continue;
736 :
737 67195 : for (j = 2; j < rate_ie[1] + 2; j++) {
738 57892 : int flagged = !!(rate_ie[j] & 0x80);
739 57892 : int r = (rate_ie[j] & 0x7f) * 5;
740 :
741 : /*
742 : * IEEE Std 802.11n-2009 7.3.2.2:
743 : * The new BSS Membership selector value is encoded
744 : * like a legacy basic rate, but it is not a rate and
745 : * only indicates if the BSS members are required to
746 : * support the mandatory features of Clause 20 [HT PHY]
747 : * in order to join the BSS.
748 : */
749 57892 : if (flagged && ((rate_ie[j] & 0x7f) ==
750 : BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
751 7 : if (!ht_supported(mode)) {
752 0 : wpa_dbg(wpa_s, MSG_DEBUG,
753 : " hardware does not support "
754 : "HT PHY");
755 0 : return 0;
756 : }
757 7 : continue;
758 : }
759 :
760 : /* There's also a VHT selector for 802.11ac */
761 57885 : if (flagged && ((rate_ie[j] & 0x7f) ==
762 : BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
763 3 : if (!vht_supported(mode)) {
764 0 : wpa_dbg(wpa_s, MSG_DEBUG,
765 : " hardware does not support "
766 : "VHT PHY");
767 0 : return 0;
768 : }
769 3 : continue;
770 : }
771 :
772 57882 : if (!flagged)
773 38226 : continue;
774 :
775 : /* check for legacy basic rates */
776 60464 : for (k = 0; k < mode->num_rates; k++) {
777 60464 : if (mode->rates[k] == r)
778 19656 : break;
779 : }
780 19656 : if (k == mode->num_rates) {
781 : /*
782 : * IEEE Std 802.11-2007 7.3.2.2 demands that in
783 : * order to join a BSS all required rates
784 : * have to be supported by the hardware.
785 : */
786 0 : wpa_dbg(wpa_s, MSG_DEBUG,
787 : " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
788 : r / 10, r % 10,
789 : bss->freq, mode->mode, mode->num_rates);
790 0 : return 0;
791 : }
792 : }
793 : }
794 :
795 5179 : return 1;
796 : }
797 :
798 :
799 : /*
800 : * Test whether BSS is in an ESS.
801 : * This is done differently in DMG (60 GHz) and non-DMG bands
802 : */
803 5201 : static int bss_is_ess(struct wpa_bss *bss)
804 : {
805 5201 : if (bss_is_dmg(bss)) {
806 0 : return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
807 : IEEE80211_CAP_DMG_AP;
808 : }
809 :
810 5201 : return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
811 : IEEE80211_CAP_ESS);
812 : }
813 :
814 :
815 17 : static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
816 : {
817 : size_t i;
818 :
819 55 : for (i = 0; i < ETH_ALEN; i++) {
820 52 : if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
821 14 : return 0;
822 : }
823 3 : return 1;
824 : }
825 :
826 :
827 12 : static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
828 : {
829 : size_t i;
830 :
831 26 : for (i = 0; i < num; i++) {
832 17 : const u8 *a = list + i * ETH_ALEN * 2;
833 17 : const u8 *m = a + ETH_ALEN;
834 :
835 17 : if (match_mac_mask(a, addr, m))
836 3 : return 1;
837 : }
838 9 : return 0;
839 : }
840 :
841 :
842 6300 : struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
843 : int i, struct wpa_bss *bss,
844 : struct wpa_ssid *group,
845 : int only_first_ssid)
846 : {
847 : u8 wpa_ie_len, rsn_ie_len;
848 : int wpa;
849 : struct wpa_blacklist *e;
850 : const u8 *ie;
851 : struct wpa_ssid *ssid;
852 : int osen;
853 : #ifdef CONFIG_MBO
854 : const u8 *assoc_disallow;
855 : #endif /* CONFIG_MBO */
856 :
857 6300 : ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
858 6300 : wpa_ie_len = ie ? ie[1] : 0;
859 :
860 6300 : ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
861 6300 : rsn_ie_len = ie ? ie[1] : 0;
862 :
863 6300 : ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
864 6300 : osen = ie != NULL;
865 :
866 6300 : wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
867 : "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
868 : i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
869 : wpa_ie_len, rsn_ie_len, bss->caps, bss->level, bss->freq,
870 : wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "",
871 : (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
872 : wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) ?
873 : " p2p" : "",
874 : osen ? " osen=1" : "");
875 :
876 6300 : e = wpa_blacklist_get(wpa_s, bss->bssid);
877 6300 : if (e) {
878 363 : int limit = 1;
879 363 : if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
880 : /*
881 : * When only a single network is enabled, we can
882 : * trigger blacklisting on the first failure. This
883 : * should not be done with multiple enabled networks to
884 : * avoid getting forced to move into a worse ESS on
885 : * single error if there are no other BSSes of the
886 : * current ESS.
887 : */
888 363 : limit = 0;
889 : }
890 363 : if (e->count > limit) {
891 363 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
892 : "(count=%d limit=%d)", e->count, limit);
893 363 : return NULL;
894 : }
895 : }
896 :
897 5937 : if (bss->ssid_len == 0) {
898 9 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
899 9 : return NULL;
900 : }
901 :
902 5928 : if (disallowed_bssid(wpa_s, bss->bssid)) {
903 1 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
904 1 : return NULL;
905 : }
906 :
907 5927 : if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
908 2 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
909 2 : return NULL;
910 : }
911 :
912 5925 : wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
913 :
914 8711 : for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
915 7912 : int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
916 : int res;
917 :
918 7912 : if (wpas_network_disabled(wpa_s, ssid)) {
919 2008 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
920 2008 : continue;
921 : }
922 :
923 5904 : res = wpas_temp_disabled(wpa_s, ssid);
924 5904 : if (res > 0) {
925 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
926 : "temporarily for %d second(s)", res);
927 0 : continue;
928 : }
929 :
930 : #ifdef CONFIG_WPS
931 5904 : if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
932 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
933 : "(WPS)");
934 0 : continue;
935 : }
936 :
937 6275 : if (wpa && ssid->ssid_len == 0 &&
938 371 : wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
939 336 : check_ssid = 0;
940 :
941 5904 : if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
942 : /* Only allow wildcard SSID match if an AP
943 : * advertises active WPS operation that matches
944 : * with our mode. */
945 39 : check_ssid = 1;
946 69 : if (ssid->ssid_len == 0 &&
947 30 : wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
948 28 : check_ssid = 0;
949 : }
950 : #endif /* CONFIG_WPS */
951 :
952 6246 : if (ssid->bssid_set && ssid->ssid_len == 0 &&
953 342 : os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
954 339 : check_ssid = 0;
955 :
956 11444 : if (check_ssid &&
957 10794 : (bss->ssid_len != ssid->ssid_len ||
958 5254 : os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
959 522 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
960 522 : continue;
961 : }
962 :
963 6487 : if (ssid->bssid_set &&
964 1105 : os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
965 17 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
966 17 : continue;
967 : }
968 :
969 : /* check blacklist */
970 5368 : if (ssid->num_bssid_blacklist &&
971 3 : addr_in_list(bss->bssid, ssid->bssid_blacklist,
972 : ssid->num_bssid_blacklist)) {
973 0 : wpa_dbg(wpa_s, MSG_DEBUG,
974 : " skip - BSSID blacklisted");
975 0 : continue;
976 : }
977 :
978 : /* if there is a whitelist, only accept those APs */
979 5374 : if (ssid->num_bssid_whitelist &&
980 9 : !addr_in_list(bss->bssid, ssid->bssid_whitelist,
981 : ssid->num_bssid_whitelist)) {
982 6 : wpa_dbg(wpa_s, MSG_DEBUG,
983 : " skip - BSSID not in whitelist");
984 6 : continue;
985 : }
986 :
987 5359 : if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
988 153 : continue;
989 :
990 6095 : if (!osen && !wpa &&
991 936 : !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
992 68 : !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
993 21 : !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
994 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
995 : "not allowed");
996 0 : continue;
997 : }
998 :
999 5727 : if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1000 521 : has_wep_key(ssid)) {
1001 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - ignore WPA/WPA2 AP for WEP network block");
1002 0 : continue;
1003 : }
1004 :
1005 5206 : if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen) {
1006 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-OSEN network "
1007 : "not allowed");
1008 0 : continue;
1009 : }
1010 :
1011 5206 : if (!wpa_supplicant_match_privacy(bss, ssid)) {
1012 4 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
1013 : "mismatch");
1014 4 : continue;
1015 : }
1016 :
1017 5209 : if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) &&
1018 7 : !bss_is_pbss(bss)) {
1019 7 : wpa_dbg(wpa_s, MSG_DEBUG,
1020 : " skip - not ESS, PBSS, or MBSS");
1021 7 : continue;
1022 : }
1023 :
1024 5195 : if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
1025 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - PBSS mismatch (ssid %d bss %d)",
1026 : ssid->pbss, bss_is_pbss(bss));
1027 0 : continue;
1028 : }
1029 :
1030 5195 : if (!freq_allowed(ssid->freq_list, bss->freq)) {
1031 2 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
1032 : "allowed");
1033 2 : continue;
1034 : }
1035 :
1036 : #ifdef CONFIG_MESH
1037 5194 : if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 &&
1038 1 : ssid->frequency != bss->freq) {
1039 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not allowed (mesh)");
1040 0 : continue;
1041 : }
1042 : #endif /* CONFIG_MESH */
1043 :
1044 5193 : if (!rate_match(wpa_s, bss)) {
1045 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
1046 : "not match");
1047 0 : continue;
1048 : }
1049 :
1050 : #ifdef CONFIG_P2P
1051 6018 : if (ssid->p2p_group &&
1052 828 : !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1053 3 : !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
1054 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen");
1055 0 : continue;
1056 : }
1057 :
1058 5193 : if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1059 : struct wpabuf *p2p_ie;
1060 : u8 dev_addr[ETH_ALEN];
1061 :
1062 51 : ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1063 51 : if (ie == NULL) {
1064 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P element");
1065 0 : continue;
1066 : }
1067 51 : p2p_ie = wpa_bss_get_vendor_ie_multi(
1068 : bss, P2P_IE_VENDOR_TYPE);
1069 51 : if (p2p_ie == NULL) {
1070 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - could not fetch P2P element");
1071 0 : continue;
1072 : }
1073 :
1074 51 : if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1075 51 : || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1076 : ETH_ALEN) != 0) {
1077 0 : wpa_dbg(wpa_s, MSG_DEBUG, " skip - no matching GO P2P Device Address in P2P element");
1078 0 : wpabuf_free(p2p_ie);
1079 0 : continue;
1080 : }
1081 51 : wpabuf_free(p2p_ie);
1082 : }
1083 :
1084 : /*
1085 : * TODO: skip the AP if its P2P IE has Group Formation
1086 : * bit set in the P2P Group Capability Bitmap and we
1087 : * are not in Group Formation with that device.
1088 : */
1089 : #endif /* CONFIG_P2P */
1090 :
1091 5193 : if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1092 : {
1093 : struct os_reltime diff;
1094 :
1095 59 : os_reltime_sub(&wpa_s->scan_min_time,
1096 : &bss->last_update, &diff);
1097 59 : wpa_dbg(wpa_s, MSG_DEBUG,
1098 : " skip - scan result not recent enough (%u.%06u seconds too old)",
1099 : (unsigned int) diff.sec,
1100 : (unsigned int) diff.usec);
1101 59 : continue;
1102 : }
1103 : #ifdef CONFIG_MBO
1104 : #ifdef CONFIG_TESTING_OPTIONS
1105 5134 : if (wpa_s->ignore_assoc_disallow)
1106 2 : goto skip_assoc_disallow;
1107 : #endif /* CONFIG_TESTING_OPTIONS */
1108 5132 : assoc_disallow = wpas_mbo_get_bss_attr(
1109 : bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1110 5132 : if (assoc_disallow && assoc_disallow[1] >= 1) {
1111 2 : wpa_dbg(wpa_s, MSG_DEBUG,
1112 : " skip - MBO association disallowed (reason %u)",
1113 : assoc_disallow[2]);
1114 2 : continue;
1115 : }
1116 :
1117 5130 : if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) {
1118 6 : wpa_dbg(wpa_s, MSG_DEBUG,
1119 : " skip - MBO retry delay has not passed yet");
1120 6 : continue;
1121 : }
1122 : #ifdef CONFIG_TESTING_OPTIONS
1123 : skip_assoc_disallow:
1124 : #endif /* CONFIG_TESTING_OPTIONS */
1125 : #endif /* CONFIG_MBO */
1126 :
1127 : /* Matching configuration found */
1128 5126 : return ssid;
1129 : }
1130 :
1131 : /* No matching configuration found */
1132 799 : return NULL;
1133 : }
1134 :
1135 :
1136 : static struct wpa_bss *
1137 5808 : wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
1138 : struct wpa_ssid *group,
1139 : struct wpa_ssid **selected_ssid,
1140 : int only_first_ssid)
1141 : {
1142 : unsigned int i;
1143 :
1144 5808 : if (only_first_ssid)
1145 121 : wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1146 : group->id);
1147 : else
1148 5687 : wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1149 : group->priority);
1150 :
1151 13950 : for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1152 6260 : struct wpa_bss *bss = wpa_s->last_scan_res[i];
1153 6260 : *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1154 : only_first_ssid);
1155 6260 : if (!*selected_ssid)
1156 1167 : continue;
1157 5093 : wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
1158 : " ssid='%s'",
1159 : MAC2STR(bss->bssid),
1160 : wpa_ssid_txt(bss->ssid, bss->ssid_len));
1161 5093 : return bss;
1162 : }
1163 :
1164 715 : return NULL;
1165 : }
1166 :
1167 :
1168 6161 : struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1169 : struct wpa_ssid **selected_ssid)
1170 : {
1171 6161 : struct wpa_bss *selected = NULL;
1172 : int prio;
1173 6161 : struct wpa_ssid *next_ssid = NULL;
1174 : struct wpa_ssid *ssid;
1175 :
1176 12294 : if (wpa_s->last_scan_res == NULL ||
1177 6133 : wpa_s->last_scan_res_used == 0)
1178 345 : return NULL; /* no scan results from last update */
1179 :
1180 5816 : if (wpa_s->next_ssid) {
1181 : /* check that next_ssid is still valid */
1182 123 : for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1183 123 : if (ssid == wpa_s->next_ssid)
1184 113 : break;
1185 : }
1186 113 : next_ssid = ssid;
1187 113 : wpa_s->next_ssid = NULL;
1188 : }
1189 :
1190 17069 : while (selected == NULL) {
1191 6866 : for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1192 5922 : if (next_ssid && next_ssid->priority ==
1193 123 : wpa_s->conf->pssid[prio]->priority) {
1194 121 : selected = wpa_supplicant_select_bss(
1195 : wpa_s, next_ssid, selected_ssid, 1);
1196 121 : if (selected)
1197 112 : break;
1198 : }
1199 5687 : selected = wpa_supplicant_select_bss(
1200 5687 : wpa_s, wpa_s->conf->pssid[prio],
1201 : selected_ssid, 0);
1202 5687 : if (selected)
1203 4981 : break;
1204 : }
1205 :
1206 6505 : if (selected == NULL && wpa_s->blacklist &&
1207 345 : !wpa_s->countermeasures) {
1208 344 : wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1209 : "blacklist and try again");
1210 344 : wpa_blacklist_clear(wpa_s);
1211 344 : wpa_s->blacklist_cleared++;
1212 5816 : } else if (selected == NULL)
1213 723 : break;
1214 : }
1215 :
1216 5816 : ssid = *selected_ssid;
1217 5819 : if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1218 6 : !ssid->passphrase && !ssid->ext_psk) {
1219 3 : const char *field_name, *txt = NULL;
1220 :
1221 3 : wpa_dbg(wpa_s, MSG_DEBUG,
1222 : "PSK/passphrase not yet available for the selected network");
1223 :
1224 3 : wpas_notify_network_request(wpa_s, ssid,
1225 : WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1226 :
1227 3 : field_name = wpa_supplicant_ctrl_req_to_string(
1228 : WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1229 3 : if (field_name == NULL)
1230 0 : return NULL;
1231 :
1232 3 : wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1233 :
1234 3 : selected = NULL;
1235 : }
1236 :
1237 5816 : return selected;
1238 : }
1239 :
1240 :
1241 920 : static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1242 : int timeout_sec, int timeout_usec)
1243 : {
1244 920 : if (!wpa_supplicant_enabled_networks(wpa_s)) {
1245 : /*
1246 : * No networks are enabled; short-circuit request so
1247 : * we don't wait timeout seconds before transitioning
1248 : * to INACTIVE state.
1249 : */
1250 559 : wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1251 : "since there are no enabled networks");
1252 559 : wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1253 1479 : return;
1254 : }
1255 :
1256 361 : wpa_s->scan_for_connection = 1;
1257 361 : wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1258 : }
1259 :
1260 :
1261 4859 : int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1262 : struct wpa_bss *selected,
1263 : struct wpa_ssid *ssid)
1264 : {
1265 4859 : if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1266 4 : wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1267 : "PBC session overlap");
1268 4 : wpas_notify_wps_event_pbc_overlap(wpa_s);
1269 : #ifdef CONFIG_P2P
1270 7 : if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1271 3 : wpa_s->p2p_in_provisioning) {
1272 2 : eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1273 : wpa_s, NULL);
1274 2 : return -1;
1275 : }
1276 : #endif /* CONFIG_P2P */
1277 :
1278 : #ifdef CONFIG_WPS
1279 2 : wpas_wps_pbc_overlap(wpa_s);
1280 2 : wpas_wps_cancel(wpa_s);
1281 : #endif /* CONFIG_WPS */
1282 2 : return -1;
1283 : }
1284 :
1285 92245 : wpa_msg(wpa_s, MSG_DEBUG,
1286 : "Considering connect request: reassociate: %d selected: "
1287 : MACSTR " bssid: " MACSTR " pending: " MACSTR
1288 : " wpa_state: %s ssid=%p current_ssid=%p",
1289 29130 : wpa_s->reassociate, MAC2STR(selected->bssid),
1290 58260 : MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1291 : wpa_supplicant_state_txt(wpa_s->wpa_state),
1292 : ssid, wpa_s->current_ssid);
1293 :
1294 : /*
1295 : * Do not trigger new association unless the BSSID has changed or if
1296 : * reassociation is requested. If we are in process of associating with
1297 : * the selected BSSID, do not trigger new attempt.
1298 : */
1299 5024 : if (wpa_s->reassociate ||
1300 338 : (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1301 338 : ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1302 169 : wpa_s->wpa_state != WPA_AUTHENTICATING) ||
1303 0 : (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1304 0 : os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1305 0 : 0) ||
1306 0 : (is_zero_ether_addr(wpa_s->pending_bssid) &&
1307 0 : ssid != wpa_s->current_ssid)))) {
1308 4855 : if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1309 0 : wpa_supplicant_req_new_scan(wpa_s, 10, 0);
1310 0 : return 0;
1311 : }
1312 29130 : wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1313 29130 : MAC2STR(selected->bssid));
1314 4855 : wpa_supplicant_associate(wpa_s, selected, ssid);
1315 : } else {
1316 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1317 : "connect with the selected AP");
1318 : }
1319 :
1320 4855 : return 0;
1321 : }
1322 :
1323 :
1324 : static struct wpa_ssid *
1325 1050 : wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1326 : {
1327 : int prio;
1328 : struct wpa_ssid *ssid;
1329 :
1330 1484 : for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1331 1033 : for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1332 : {
1333 599 : if (wpas_network_disabled(wpa_s, ssid))
1334 122 : continue;
1335 930 : if (ssid->mode == IEEE80211_MODE_IBSS ||
1336 867 : ssid->mode == IEEE80211_MODE_AP ||
1337 414 : ssid->mode == IEEE80211_MODE_MESH)
1338 63 : return ssid;
1339 : }
1340 : }
1341 987 : return NULL;
1342 : }
1343 :
1344 :
1345 : /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1346 : * on BSS added and BSS changed events */
1347 2000 : static void wpa_supplicant_rsn_preauth_scan_results(
1348 : struct wpa_supplicant *wpa_s)
1349 : {
1350 : struct wpa_bss *bss;
1351 :
1352 2000 : if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1353 3732 : return;
1354 :
1355 608 : dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1356 : const u8 *ssid, *rsn;
1357 :
1358 340 : ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1359 340 : if (ssid == NULL)
1360 0 : continue;
1361 :
1362 340 : rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1363 340 : if (rsn == NULL)
1364 111 : continue;
1365 :
1366 229 : rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
1367 : }
1368 :
1369 : }
1370 :
1371 :
1372 4750 : static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1373 : struct wpa_bss *selected,
1374 : struct wpa_ssid *ssid)
1375 : {
1376 4750 : struct wpa_bss *current_bss = NULL;
1377 : #ifndef CONFIG_NO_ROAMING
1378 : int min_diff;
1379 : int to_5ghz;
1380 : #endif /* CONFIG_NO_ROAMING */
1381 :
1382 4750 : if (wpa_s->reassociate)
1383 4500 : return 1; /* explicit request to reassociate */
1384 250 : if (wpa_s->wpa_state < WPA_ASSOCIATED)
1385 162 : return 1; /* we are not associated; continue */
1386 88 : if (wpa_s->current_ssid == NULL)
1387 0 : return 1; /* unknown current SSID */
1388 88 : if (wpa_s->current_ssid != ssid)
1389 0 : return 1; /* different network block */
1390 :
1391 88 : if (wpas_driver_bss_selection(wpa_s))
1392 0 : return 0; /* Driver-based roaming */
1393 :
1394 88 : if (wpa_s->current_ssid->ssid)
1395 176 : current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1396 88 : wpa_s->current_ssid->ssid,
1397 88 : wpa_s->current_ssid->ssid_len);
1398 88 : if (!current_bss)
1399 0 : current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
1400 :
1401 88 : if (!current_bss)
1402 0 : return 1; /* current BSS not seen in scan results */
1403 :
1404 88 : if (current_bss == selected)
1405 75 : return 0;
1406 :
1407 13 : if (selected->last_update_idx > current_bss->last_update_idx)
1408 0 : return 1; /* current BSS not seen in the last scan */
1409 :
1410 : #ifndef CONFIG_NO_ROAMING
1411 13 : wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1412 13 : wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
1413 : " level=%d snr=%d est_throughput=%u",
1414 : MAC2STR(current_bss->bssid), current_bss->level,
1415 : current_bss->snr, current_bss->est_throughput);
1416 13 : wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
1417 : " level=%d snr=%d est_throughput=%u",
1418 : MAC2STR(selected->bssid), selected->level,
1419 : selected->snr, selected->est_throughput);
1420 :
1421 13 : if (wpa_s->current_ssid->bssid_set &&
1422 0 : os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1423 : 0) {
1424 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1425 : "has preferred BSSID");
1426 0 : return 1;
1427 : }
1428 :
1429 13 : if (selected->est_throughput > current_bss->est_throughput + 5000) {
1430 1 : wpa_dbg(wpa_s, MSG_DEBUG,
1431 : "Allow reassociation - selected BSS has better estimated throughput");
1432 1 : return 1;
1433 : }
1434 :
1435 12 : to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1436 :
1437 24 : if (current_bss->level < 0 &&
1438 12 : current_bss->level > selected->level + to_5ghz * 2) {
1439 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1440 : "signal level");
1441 0 : return 0;
1442 : }
1443 :
1444 12 : min_diff = 2;
1445 12 : if (current_bss->level < 0) {
1446 12 : if (current_bss->level < -85)
1447 0 : min_diff = 1;
1448 12 : else if (current_bss->level < -80)
1449 0 : min_diff = 2;
1450 12 : else if (current_bss->level < -75)
1451 0 : min_diff = 3;
1452 12 : else if (current_bss->level < -70)
1453 0 : min_diff = 4;
1454 : else
1455 12 : min_diff = 5;
1456 : }
1457 12 : if (to_5ghz) {
1458 : /* Make it easier to move to 5 GHz band */
1459 1 : if (min_diff > 2)
1460 1 : min_diff -= 2;
1461 : else
1462 0 : min_diff = 0;
1463 : }
1464 12 : if (abs(current_bss->level - selected->level) < min_diff) {
1465 12 : wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1466 : "in signal level");
1467 12 : return 0;
1468 : }
1469 :
1470 0 : return 1;
1471 : #else /* CONFIG_NO_ROAMING */
1472 : return 0;
1473 : #endif /* CONFIG_NO_ROAMING */
1474 : }
1475 :
1476 :
1477 : /* Return != 0 if no scan results could be fetched or if scan results should not
1478 : * be shared with other virtual interfaces. */
1479 5640 : static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1480 : union wpa_event_data *data,
1481 : int own_request)
1482 : {
1483 5640 : struct wpa_scan_results *scan_res = NULL;
1484 5640 : int ret = 0;
1485 5640 : int ap = 0;
1486 : #ifndef CONFIG_NO_RANDOM_POOL
1487 : size_t i, num;
1488 : #endif /* CONFIG_NO_RANDOM_POOL */
1489 :
1490 : #ifdef CONFIG_AP
1491 5640 : if (wpa_s->ap_iface)
1492 11 : ap = 1;
1493 : #endif /* CONFIG_AP */
1494 :
1495 5640 : wpa_supplicant_notify_scanning(wpa_s, 0);
1496 :
1497 5640 : scan_res = wpa_supplicant_get_scan_results(wpa_s,
1498 : data ? &data->scan_info :
1499 : NULL, 1);
1500 5640 : if (scan_res == NULL) {
1501 2 : if (wpa_s->conf->ap_scan == 2 || ap ||
1502 1 : wpa_s->scan_res_handler == scan_only_handler)
1503 0 : return -1;
1504 1 : if (!own_request)
1505 0 : return -1;
1506 1 : if (data && data->scan_info.external_scan)
1507 0 : return -1;
1508 1 : wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1509 : "scanning again");
1510 1 : wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1511 1 : ret = -1;
1512 1 : goto scan_work_done;
1513 : }
1514 :
1515 : #ifndef CONFIG_NO_RANDOM_POOL
1516 : num = scan_res->num;
1517 : if (num > 10)
1518 : num = 10;
1519 : for (i = 0; i < num; i++) {
1520 : u8 buf[5];
1521 : struct wpa_scan_res *res = scan_res->res[i];
1522 : buf[0] = res->bssid[5];
1523 : buf[1] = res->qual & 0xff;
1524 : buf[2] = res->noise & 0xff;
1525 : buf[3] = res->level & 0xff;
1526 : buf[4] = res->tsf & 0xff;
1527 : random_add_randomness(buf, sizeof(buf));
1528 : }
1529 : #endif /* CONFIG_NO_RANDOM_POOL */
1530 :
1531 5639 : if (own_request && wpa_s->scan_res_handler &&
1532 2546 : !(data && data->scan_info.external_scan)) {
1533 : void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1534 : struct wpa_scan_results *scan_res);
1535 :
1536 2546 : scan_res_handler = wpa_s->scan_res_handler;
1537 2546 : wpa_s->scan_res_handler = NULL;
1538 2546 : scan_res_handler(wpa_s, scan_res);
1539 2546 : ret = -2;
1540 2546 : goto scan_work_done;
1541 : }
1542 :
1543 3093 : if (ap) {
1544 11 : wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
1545 : #ifdef CONFIG_AP
1546 11 : if (wpa_s->ap_iface->scan_cb)
1547 10 : wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1548 : #endif /* CONFIG_AP */
1549 11 : goto scan_work_done;
1550 : }
1551 :
1552 3082 : wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
1553 : wpa_s->own_scan_running,
1554 : data ? data->scan_info.external_scan : 0);
1555 3082 : if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1556 31 : wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1557 30 : own_request && !(data && data->scan_info.external_scan)) {
1558 30 : wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1559 : wpa_s->manual_scan_id);
1560 30 : wpa_s->manual_scan_use_id = 0;
1561 : } else {
1562 3052 : wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1563 : }
1564 3082 : wpas_notify_scan_results(wpa_s);
1565 :
1566 3082 : wpas_notify_scan_done(wpa_s, 1);
1567 :
1568 3082 : if (data && data->scan_info.external_scan) {
1569 13 : wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1570 13 : wpa_scan_results_free(scan_res);
1571 13 : return 0;
1572 : }
1573 :
1574 3069 : if (wnm_scan_process(wpa_s, 1) > 0)
1575 1 : goto scan_work_done;
1576 :
1577 3068 : if (sme_proc_obss_scan(wpa_s) > 0)
1578 5 : goto scan_work_done;
1579 :
1580 3063 : if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1581 1 : goto scan_work_done;
1582 :
1583 3062 : if (autoscan_notify_scan(wpa_s, scan_res))
1584 0 : goto scan_work_done;
1585 :
1586 3062 : if (wpa_s->disconnected) {
1587 113 : wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
1588 113 : goto scan_work_done;
1589 : }
1590 :
1591 5896 : if (!wpas_driver_bss_selection(wpa_s) &&
1592 2947 : bgscan_notify_scan(wpa_s, scan_res) == 1)
1593 0 : goto scan_work_done;
1594 :
1595 2949 : wpas_wps_update_ap_info(wpa_s, scan_res);
1596 :
1597 3048 : if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1598 99 : wpa_s->wpa_state < WPA_COMPLETED)
1599 0 : goto scan_work_done;
1600 :
1601 2949 : wpa_scan_results_free(scan_res);
1602 :
1603 2949 : if (own_request && wpa_s->scan_work) {
1604 2905 : struct wpa_radio_work *work = wpa_s->scan_work;
1605 2905 : wpa_s->scan_work = NULL;
1606 2905 : radio_work_done(work);
1607 : }
1608 :
1609 2949 : return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
1610 :
1611 : scan_work_done:
1612 2678 : wpa_scan_results_free(scan_res);
1613 2678 : if (own_request && wpa_s->scan_work) {
1614 365 : struct wpa_radio_work *work = wpa_s->scan_work;
1615 365 : wpa_s->scan_work = NULL;
1616 365 : radio_work_done(work);
1617 : }
1618 2678 : return ret;
1619 : }
1620 :
1621 :
1622 5831 : static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1623 : int new_scan, int own_request)
1624 : {
1625 : struct wpa_bss *selected;
1626 5831 : struct wpa_ssid *ssid = NULL;
1627 5831 : int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1628 :
1629 5831 : if (time_to_reenable > 0) {
1630 14 : wpa_dbg(wpa_s, MSG_DEBUG,
1631 : "Postpone network selection by %d seconds since all networks are disabled",
1632 : time_to_reenable);
1633 14 : eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1634 14 : eloop_register_timeout(time_to_reenable, 0,
1635 : wpas_network_reenabled, wpa_s, NULL);
1636 14 : return 0;
1637 : }
1638 :
1639 5817 : if (wpa_s->p2p_mgmt)
1640 10 : return 0; /* no normal connection on p2p_mgmt interface */
1641 :
1642 5807 : selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1643 :
1644 : #ifdef CONFIG_MESH
1645 5807 : if (wpa_s->ifmsh) {
1646 7 : wpa_msg(wpa_s, MSG_INFO,
1647 : "Avoiding join because we already joined a mesh group");
1648 7 : return 0;
1649 : }
1650 : #endif /* CONFIG_MESH */
1651 :
1652 5800 : if (selected) {
1653 : int skip;
1654 4750 : skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1655 4750 : if (skip) {
1656 87 : if (new_scan)
1657 87 : wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1658 87 : return 0;
1659 : }
1660 :
1661 5882 : if (ssid != wpa_s->current_ssid &&
1662 1219 : wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1663 0 : wpa_s->own_disconnect_req = 1;
1664 0 : wpa_supplicant_deauthenticate(
1665 : wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1666 : }
1667 :
1668 4663 : if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1669 4 : wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1670 4 : return -1;
1671 : }
1672 4659 : if (new_scan)
1673 1858 : wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1674 : /*
1675 : * Do not notify other virtual radios of scan results since we do not
1676 : * want them to start other associations at the same time.
1677 : */
1678 4659 : return 1;
1679 : } else {
1680 1050 : wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
1681 1050 : ssid = wpa_supplicant_pick_new_network(wpa_s);
1682 1050 : if (ssid) {
1683 63 : wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
1684 63 : wpa_supplicant_associate(wpa_s, NULL, ssid);
1685 63 : if (new_scan)
1686 55 : wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1687 987 : } else if (own_request) {
1688 : /*
1689 : * No SSID found. If SCAN results are as a result of
1690 : * own scan request and not due to a scan request on
1691 : * another shared interface, try another scan.
1692 : */
1693 962 : int timeout_sec = wpa_s->scan_interval;
1694 962 : int timeout_usec = 0;
1695 : #ifdef CONFIG_P2P
1696 : int res;
1697 :
1698 962 : res = wpas_p2p_scan_no_go_seen(wpa_s);
1699 962 : if (res == 2)
1700 1 : return 2;
1701 961 : if (res == 1)
1702 0 : return 0;
1703 :
1704 1842 : if (wpa_s->p2p_in_provisioning ||
1705 1697 : wpa_s->show_group_started ||
1706 816 : wpa_s->p2p_in_invitation) {
1707 : /*
1708 : * Use shorter wait during P2P Provisioning
1709 : * state and during P2P join-a-group operation
1710 : * to speed up group formation.
1711 : */
1712 145 : timeout_sec = 0;
1713 145 : timeout_usec = 250000;
1714 145 : wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1715 : timeout_usec);
1716 145 : return 0;
1717 : }
1718 : #endif /* CONFIG_P2P */
1719 : #ifdef CONFIG_INTERWORKING
1720 858 : if (wpa_s->conf->auto_interworking &&
1721 84 : wpa_s->conf->interworking &&
1722 42 : wpa_s->conf->cred) {
1723 42 : wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1724 : "start ANQP fetch since no matching "
1725 : "networks found");
1726 42 : wpa_s->network_select = 1;
1727 42 : wpa_s->auto_network_select = 1;
1728 42 : interworking_start_fetch_anqp(wpa_s);
1729 42 : return 1;
1730 : }
1731 : #endif /* CONFIG_INTERWORKING */
1732 : #ifdef CONFIG_WPS
1733 774 : if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
1734 108 : wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1735 108 : timeout_sec = 0;
1736 108 : timeout_usec = 500000;
1737 108 : wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1738 : timeout_usec);
1739 108 : return 0;
1740 : }
1741 : #endif /* CONFIG_WPS */
1742 666 : if (wpa_supplicant_req_sched_scan(wpa_s))
1743 666 : wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1744 : timeout_usec);
1745 :
1746 666 : wpa_msg_ctrl(wpa_s, MSG_INFO,
1747 : WPA_EVENT_NETWORK_NOT_FOUND);
1748 : }
1749 : }
1750 754 : return 0;
1751 : }
1752 :
1753 :
1754 5602 : static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1755 : union wpa_event_data *data)
1756 : {
1757 : struct wpa_supplicant *ifs;
1758 : int res;
1759 :
1760 5602 : res = _wpa_supplicant_event_scan_results(wpa_s, data, 1);
1761 5602 : if (res == 2) {
1762 : /*
1763 : * Interface may have been removed, so must not dereference
1764 : * wpa_s after this.
1765 : */
1766 1 : return 1;
1767 : }
1768 5601 : if (res != 0) {
1769 : /*
1770 : * If no scan results could be fetched, then no need to
1771 : * notify those interfaces that did not actually request
1772 : * this scan. Similarly, if scan results started a new operation on this
1773 : * interface, do not notify other interfaces to avoid concurrent
1774 : * operations during a connection attempt.
1775 : */
1776 4430 : return 0;
1777 : }
1778 :
1779 : /*
1780 : * Check other interfaces to see if they share the same radio. If
1781 : * so, they get updated with this same scan info.
1782 : */
1783 2380 : dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1784 : radio_list) {
1785 1209 : if (ifs != wpa_s) {
1786 38 : wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1787 38 : "sibling", ifs->ifname);
1788 38 : _wpa_supplicant_event_scan_results(ifs, data, 0);
1789 : }
1790 : }
1791 :
1792 1171 : return 0;
1793 : }
1794 :
1795 : #endif /* CONFIG_NO_SCAN_PROCESSING */
1796 :
1797 :
1798 4087 : int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1799 : {
1800 : #ifdef CONFIG_NO_SCAN_PROCESSING
1801 : return -1;
1802 : #else /* CONFIG_NO_SCAN_PROCESSING */
1803 : struct os_reltime now;
1804 :
1805 4087 : if (wpa_s->last_scan_res_used == 0)
1806 1131 : return -1;
1807 :
1808 2956 : os_get_reltime(&now);
1809 2956 : if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
1810 74 : wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1811 74 : return -1;
1812 : }
1813 :
1814 2882 : return wpas_select_network_from_last_scan(wpa_s, 0, 1);
1815 : #endif /* CONFIG_NO_SCAN_PROCESSING */
1816 : }
1817 :
1818 : #ifdef CONFIG_WNM
1819 :
1820 21 : static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1821 : {
1822 21 : struct wpa_supplicant *wpa_s = eloop_ctx;
1823 :
1824 21 : if (wpa_s->wpa_state < WPA_ASSOCIATED)
1825 21 : return;
1826 :
1827 21 : if (!wpa_s->no_keep_alive) {
1828 18 : wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1829 18 : MAC2STR(wpa_s->bssid));
1830 : /* TODO: could skip this if normal data traffic has been sent */
1831 : /* TODO: Consider using some more appropriate data frame for
1832 : * this */
1833 3 : if (wpa_s->l2)
1834 3 : l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1835 : (u8 *) "", 0);
1836 : }
1837 :
1838 : #ifdef CONFIG_SME
1839 21 : if (wpa_s->sme.bss_max_idle_period) {
1840 : unsigned int msec;
1841 21 : msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1842 21 : if (msec > 100)
1843 21 : msec -= 100;
1844 21 : eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1845 : wnm_bss_keep_alive, wpa_s, NULL);
1846 : }
1847 : #endif /* CONFIG_SME */
1848 : }
1849 :
1850 :
1851 4753 : static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1852 : const u8 *ies, size_t ies_len)
1853 : {
1854 : struct ieee802_11_elems elems;
1855 :
1856 4753 : if (ies == NULL)
1857 0 : return;
1858 :
1859 4753 : if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1860 0 : return;
1861 :
1862 : #ifdef CONFIG_SME
1863 4753 : if (elems.bss_max_idle_period) {
1864 : unsigned int msec;
1865 4753 : wpa_s->sme.bss_max_idle_period =
1866 4753 : WPA_GET_LE16(elems.bss_max_idle_period);
1867 9506 : wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1868 4753 : "TU)%s", wpa_s->sme.bss_max_idle_period,
1869 4753 : (elems.bss_max_idle_period[2] & 0x01) ?
1870 : " (protected keep-live required)" : "");
1871 4753 : if (wpa_s->sme.bss_max_idle_period == 0)
1872 0 : wpa_s->sme.bss_max_idle_period = 1;
1873 4753 : if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1874 4471 : eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1875 : /* msec times 1000 */
1876 4471 : msec = wpa_s->sme.bss_max_idle_period * 1024;
1877 4471 : if (msec > 100)
1878 4471 : msec -= 100;
1879 4471 : eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1880 : wnm_bss_keep_alive, wpa_s,
1881 : NULL);
1882 : }
1883 : }
1884 : #endif /* CONFIG_SME */
1885 : }
1886 :
1887 : #endif /* CONFIG_WNM */
1888 :
1889 :
1890 11131 : void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1891 : {
1892 : #ifdef CONFIG_WNM
1893 11131 : eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1894 : #endif /* CONFIG_WNM */
1895 11131 : }
1896 :
1897 :
1898 : #ifdef CONFIG_INTERWORKING
1899 :
1900 2 : static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
1901 : size_t len)
1902 : {
1903 : int res;
1904 :
1905 2 : wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
1906 2 : res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
1907 2 : if (res) {
1908 0 : wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
1909 : }
1910 :
1911 2 : return res;
1912 : }
1913 :
1914 :
1915 4753 : static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
1916 : const u8 *ies, size_t ies_len)
1917 : {
1918 : struct ieee802_11_elems elems;
1919 :
1920 4753 : if (ies == NULL)
1921 0 : return;
1922 :
1923 4753 : if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1924 0 : return;
1925 :
1926 4753 : if (elems.qos_map_set) {
1927 1 : wpas_qos_map_set(wpa_s, elems.qos_map_set,
1928 1 : elems.qos_map_set_len);
1929 : }
1930 : }
1931 :
1932 : #endif /* CONFIG_INTERWORKING */
1933 :
1934 :
1935 : #ifdef CONFIG_FST
1936 22918 : static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
1937 : const u8 *ie, size_t ie_len)
1938 : {
1939 : struct mb_ies_info mb_ies;
1940 :
1941 22918 : if (!ie || !ie_len || !wpa_s->fst)
1942 22650 : return -ENOENT;
1943 :
1944 268 : os_memset(&mb_ies, 0, sizeof(mb_ies));
1945 :
1946 2580 : while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
1947 : size_t len;
1948 :
1949 2044 : len = 2 + ie[1];
1950 2044 : if (len > ie_len) {
1951 0 : wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
1952 : ie, ie_len);
1953 0 : break;
1954 : }
1955 :
1956 2044 : if (ie[0] == WLAN_EID_MULTI_BAND) {
1957 244 : wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
1958 : (unsigned int) len);
1959 244 : mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
1960 244 : mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
1961 244 : mb_ies.nof_ies++;
1962 : }
1963 :
1964 2044 : ie_len -= len;
1965 2044 : ie += len;
1966 : }
1967 :
1968 268 : if (mb_ies.nof_ies > 0) {
1969 244 : wpabuf_free(wpa_s->received_mb_ies);
1970 244 : wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
1971 244 : return 0;
1972 : }
1973 :
1974 24 : return -ENOENT;
1975 : }
1976 : #endif /* CONFIG_FST */
1977 :
1978 :
1979 4782 : static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1980 : union wpa_event_data *data)
1981 : {
1982 4782 : int l, len, found = 0, wpa_found, rsn_found;
1983 : const u8 *p;
1984 : #ifdef CONFIG_IEEE80211R
1985 : u8 bssid[ETH_ALEN];
1986 : #endif /* CONFIG_IEEE80211R */
1987 :
1988 4782 : wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
1989 4782 : if (data->assoc_info.req_ies)
1990 0 : wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1991 : data->assoc_info.req_ies_len);
1992 4782 : if (data->assoc_info.resp_ies) {
1993 4753 : wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1994 : data->assoc_info.resp_ies_len);
1995 : #ifdef CONFIG_TDLS
1996 4753 : wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1997 : data->assoc_info.resp_ies_len);
1998 : #endif /* CONFIG_TDLS */
1999 : #ifdef CONFIG_WNM
2000 4753 : wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2001 : data->assoc_info.resp_ies_len);
2002 : #endif /* CONFIG_WNM */
2003 : #ifdef CONFIG_INTERWORKING
2004 4753 : interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2005 : data->assoc_info.resp_ies_len);
2006 : #endif /* CONFIG_INTERWORKING */
2007 : }
2008 4782 : if (data->assoc_info.beacon_ies)
2009 0 : wpa_hexdump(MSG_DEBUG, "beacon_ies",
2010 0 : data->assoc_info.beacon_ies,
2011 : data->assoc_info.beacon_ies_len);
2012 4782 : if (data->assoc_info.freq)
2013 4764 : wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2014 : data->assoc_info.freq);
2015 :
2016 4782 : p = data->assoc_info.req_ies;
2017 4782 : l = data->assoc_info.req_ies_len;
2018 :
2019 : /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2020 9564 : while (p && l >= 2) {
2021 0 : len = p[1] + 2;
2022 0 : if (len > l) {
2023 0 : wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2024 : p, l);
2025 0 : break;
2026 : }
2027 0 : if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2028 0 : (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
2029 0 : (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2030 0 : (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
2031 0 : (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2032 0 : if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2033 0 : break;
2034 0 : found = 1;
2035 0 : wpa_find_assoc_pmkid(wpa_s);
2036 0 : break;
2037 : }
2038 0 : l -= len;
2039 0 : p += len;
2040 : }
2041 4782 : if (!found && data->assoc_info.req_ies)
2042 0 : wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2043 :
2044 : #ifdef CONFIG_IEEE80211R
2045 : #ifdef CONFIG_SME
2046 4782 : if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
2047 454 : if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2048 227 : wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2049 : data->assoc_info.resp_ies,
2050 : data->assoc_info.resp_ies_len,
2051 : bssid) < 0) {
2052 0 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2053 : "Reassociation Response failed");
2054 0 : wpa_supplicant_deauthenticate(
2055 : wpa_s, WLAN_REASON_INVALID_IE);
2056 0 : return -1;
2057 : }
2058 : }
2059 :
2060 4782 : p = data->assoc_info.resp_ies;
2061 4782 : l = data->assoc_info.resp_ies_len;
2062 :
2063 : #ifdef CONFIG_WPS_STRICT
2064 : if (p && wpa_s->current_ssid &&
2065 : wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2066 : struct wpabuf *wps;
2067 : wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2068 : if (wps == NULL) {
2069 : wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2070 : "include WPS IE in (Re)Association Response");
2071 : return -1;
2072 : }
2073 :
2074 : if (wps_validate_assoc_resp(wps) < 0) {
2075 : wpabuf_free(wps);
2076 : wpa_supplicant_deauthenticate(
2077 : wpa_s, WLAN_REASON_INVALID_IE);
2078 : return -1;
2079 : }
2080 : wpabuf_free(wps);
2081 : }
2082 : #endif /* CONFIG_WPS_STRICT */
2083 :
2084 : /* Go through the IEs and make a copy of the MDIE, if present. */
2085 42261 : while (p && l >= 2) {
2086 32975 : len = p[1] + 2;
2087 32975 : if (len > l) {
2088 0 : wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2089 : p, l);
2090 0 : break;
2091 : }
2092 33253 : if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2093 278 : p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2094 278 : wpa_s->sme.ft_used = 1;
2095 278 : os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2096 : MOBILITY_DOMAIN_ID_LEN);
2097 278 : break;
2098 : }
2099 32697 : l -= len;
2100 32697 : p += len;
2101 : }
2102 : #endif /* CONFIG_SME */
2103 :
2104 : /* Process FT when SME is in the driver */
2105 5064 : if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2106 282 : wpa_ft_is_completed(wpa_s->wpa)) {
2107 0 : if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2108 0 : wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2109 : data->assoc_info.resp_ies,
2110 : data->assoc_info.resp_ies_len,
2111 : bssid) < 0) {
2112 0 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2113 : "Reassociation Response failed");
2114 0 : wpa_supplicant_deauthenticate(
2115 : wpa_s, WLAN_REASON_INVALID_IE);
2116 0 : return -1;
2117 : }
2118 0 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2119 : }
2120 :
2121 4782 : wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2122 : data->assoc_info.resp_ies_len);
2123 : #endif /* CONFIG_IEEE80211R */
2124 :
2125 : /* WPA/RSN IE from Beacon/ProbeResp */
2126 4782 : p = data->assoc_info.beacon_ies;
2127 4782 : l = data->assoc_info.beacon_ies_len;
2128 :
2129 : /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2130 : */
2131 4782 : wpa_found = rsn_found = 0;
2132 9564 : while (p && l >= 2) {
2133 0 : len = p[1] + 2;
2134 0 : if (len > l) {
2135 0 : wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2136 : p, l);
2137 0 : break;
2138 : }
2139 0 : if (!wpa_found &&
2140 0 : p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2141 0 : os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2142 0 : wpa_found = 1;
2143 0 : wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2144 : }
2145 :
2146 0 : if (!rsn_found &&
2147 0 : p[0] == WLAN_EID_RSN && p[1] >= 2) {
2148 0 : rsn_found = 1;
2149 0 : wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2150 : }
2151 :
2152 0 : l -= len;
2153 0 : p += len;
2154 : }
2155 :
2156 4782 : if (!wpa_found && data->assoc_info.beacon_ies)
2157 0 : wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2158 4782 : if (!rsn_found && data->assoc_info.beacon_ies)
2159 0 : wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2160 4782 : if (wpa_found || rsn_found)
2161 0 : wpa_s->ap_ies_from_associnfo = 1;
2162 :
2163 5116 : if (wpa_s->assoc_freq && data->assoc_info.freq &&
2164 334 : wpa_s->assoc_freq != data->assoc_info.freq) {
2165 10 : wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2166 : "%u to %u MHz",
2167 : wpa_s->assoc_freq, data->assoc_info.freq);
2168 10 : wpa_supplicant_update_scan_results(wpa_s);
2169 : }
2170 :
2171 4782 : wpa_s->assoc_freq = data->assoc_info.freq;
2172 :
2173 4782 : return 0;
2174 : }
2175 :
2176 :
2177 2 : static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2178 : {
2179 2 : const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2180 :
2181 2 : if (!wpa_s->current_bss || !wpa_s->current_ssid)
2182 0 : return -1;
2183 :
2184 2 : if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2185 0 : return 0;
2186 :
2187 2 : bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2188 : WPA_IE_VENDOR_TYPE);
2189 2 : bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2190 :
2191 2 : if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2192 2 : bss_wpa ? 2 + bss_wpa[1] : 0) ||
2193 4 : wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2194 2 : bss_rsn ? 2 + bss_rsn[1] : 0))
2195 0 : return -1;
2196 :
2197 2 : return 0;
2198 : }
2199 :
2200 :
2201 4777 : static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2202 : union wpa_event_data *data)
2203 : {
2204 : #ifdef CONFIG_FST
2205 4777 : struct assoc_info *ai = data ? &data->assoc_info : NULL;
2206 4777 : struct wpa_bss *bss = wpa_s->current_bss;
2207 : const u8 *ieprb, *iebcn;
2208 :
2209 4777 : wpabuf_free(wpa_s->received_mb_ies);
2210 4777 : wpa_s->received_mb_ies = NULL;
2211 :
2212 9540 : if (ai &&
2213 4763 : !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2214 244 : wpa_printf(MSG_DEBUG,
2215 : "FST: MB IEs updated from Association Response frame");
2216 244 : return;
2217 : }
2218 :
2219 9052 : if (ai &&
2220 4519 : !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2221 0 : wpa_printf(MSG_DEBUG,
2222 : "FST: MB IEs updated from association event Beacon IEs");
2223 0 : return;
2224 : }
2225 :
2226 4533 : if (!bss)
2227 0 : return;
2228 :
2229 4533 : ieprb = (const u8 *) (bss + 1);
2230 4533 : iebcn = ieprb + bss->ie_len;
2231 :
2232 4533 : if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2233 0 : wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2234 4533 : else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2235 0 : wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2236 : #endif /* CONFIG_FST */
2237 : }
2238 :
2239 :
2240 4782 : static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2241 : union wpa_event_data *data)
2242 : {
2243 : u8 bssid[ETH_ALEN];
2244 : int ft_completed, already_authorized;
2245 4782 : int new_bss = 0;
2246 :
2247 : #ifdef CONFIG_AP
2248 4782 : if (wpa_s->ap_iface) {
2249 0 : if (!data)
2250 7 : return;
2251 0 : hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2252 : data->assoc_info.addr,
2253 : data->assoc_info.req_ies,
2254 : data->assoc_info.req_ies_len,
2255 : data->assoc_info.reassoc);
2256 0 : return;
2257 : }
2258 : #endif /* CONFIG_AP */
2259 :
2260 4782 : eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2261 :
2262 4782 : ft_completed = wpa_ft_is_completed(wpa_s->wpa);
2263 4782 : if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2264 0 : return;
2265 :
2266 4782 : if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2267 0 : wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
2268 0 : wpa_supplicant_deauthenticate(
2269 : wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2270 0 : return;
2271 : }
2272 :
2273 4782 : wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
2274 4782 : if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
2275 4781 : wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
2276 : MACSTR, MAC2STR(bssid));
2277 4781 : new_bss = 1;
2278 : random_add_randomness(bssid, ETH_ALEN);
2279 4781 : os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2280 4781 : os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
2281 4781 : wpas_notify_bssid_changed(wpa_s);
2282 :
2283 4781 : if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2284 3795 : wpa_clear_keys(wpa_s, bssid);
2285 : }
2286 4781 : if (wpa_supplicant_select_config(wpa_s) < 0) {
2287 5 : wpa_supplicant_deauthenticate(
2288 : wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2289 5 : return;
2290 : }
2291 : }
2292 :
2293 9544 : if (wpa_s->conf->ap_scan == 1 &&
2294 4767 : wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2295 2 : if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2296 0 : wpa_msg(wpa_s, MSG_WARNING,
2297 : "WPA/RSN IEs not updated");
2298 : }
2299 :
2300 4777 : wpas_fst_update_mb_assoc(wpa_s, data);
2301 :
2302 : #ifdef CONFIG_SME
2303 4777 : os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2304 4777 : wpa_s->sme.prev_bssid_set = 1;
2305 4777 : wpa_s->sme.last_unprot_disconnect.sec = 0;
2306 : #endif /* CONFIG_SME */
2307 :
2308 4777 : wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2309 4777 : if (wpa_s->current_ssid) {
2310 : /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2311 : * initialized before association, but for other modes,
2312 : * initialize PC/SC here, if the current configuration needs
2313 : * smartcard or SIM/USIM. */
2314 4777 : wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2315 : }
2316 4777 : wpa_sm_notify_assoc(wpa_s->wpa, bssid);
2317 4777 : if (wpa_s->l2)
2318 4777 : l2_packet_notify_auth_start(wpa_s->l2);
2319 :
2320 4777 : already_authorized = data && data->assoc_info.authorized;
2321 :
2322 : /*
2323 : * Set portEnabled first to FALSE in order to get EAP state machine out
2324 : * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2325 : * state machine may transit to AUTHENTICATING state based on obsolete
2326 : * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2327 : * AUTHENTICATED without ever giving chance to EAP state machine to
2328 : * reset the state.
2329 : */
2330 4777 : if (!ft_completed && !already_authorized) {
2331 4550 : eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2332 4550 : eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2333 : }
2334 4777 : if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed ||
2335 : already_authorized)
2336 1175 : eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2337 : /* 802.1X::portControl = Auto */
2338 4777 : eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2339 4777 : wpa_s->eapol_received = 0;
2340 8809 : if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2341 8059 : wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2342 8054 : (wpa_s->current_ssid &&
2343 4027 : wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
2344 1522 : if (wpa_s->current_ssid &&
2345 766 : wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
2346 5 : (wpa_s->drv_flags &
2347 : WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2348 : /*
2349 : * Set the key after having received joined-IBSS event
2350 : * from the driver.
2351 : */
2352 5 : wpa_supplicant_set_wpa_none_key(wpa_s,
2353 : wpa_s->current_ssid);
2354 : }
2355 761 : wpa_supplicant_cancel_auth_timeout(wpa_s);
2356 761 : wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2357 4016 : } else if (!ft_completed) {
2358 : /* Timeout for receiving the first EAPOL packet */
2359 3789 : wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2360 : }
2361 4777 : wpa_supplicant_cancel_scan(wpa_s);
2362 :
2363 4777 : if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2364 0 : wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
2365 : /*
2366 : * We are done; the driver will take care of RSN 4-way
2367 : * handshake.
2368 : */
2369 0 : wpa_supplicant_cancel_auth_timeout(wpa_s);
2370 0 : wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2371 0 : eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2372 0 : eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2373 4777 : } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2374 0 : wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2375 : /*
2376 : * The driver will take care of RSN 4-way handshake, so we need
2377 : * to allow EAPOL supplicant to complete its work without
2378 : * waiting for WPA supplicant.
2379 : */
2380 0 : eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2381 4777 : } else if (ft_completed) {
2382 : /*
2383 : * FT protocol completed - make sure EAPOL state machine ends
2384 : * up in authenticated.
2385 : */
2386 227 : wpa_supplicant_cancel_auth_timeout(wpa_s);
2387 227 : wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2388 227 : eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2389 227 : eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2390 : }
2391 :
2392 4777 : wpa_s->last_eapol_matches_bssid = 0;
2393 :
2394 4777 : if (wpa_s->pending_eapol_rx) {
2395 : struct os_reltime now, age;
2396 2 : os_get_reltime(&now);
2397 2 : os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
2398 4 : if (age.sec == 0 && age.usec < 100000 &&
2399 2 : os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2400 : 0) {
2401 2 : wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2402 : "frame that was received just before "
2403 : "association notification");
2404 4 : wpa_supplicant_rx_eapol(
2405 2 : wpa_s, wpa_s->pending_eapol_rx_src,
2406 2 : wpabuf_head(wpa_s->pending_eapol_rx),
2407 2 : wpabuf_len(wpa_s->pending_eapol_rx));
2408 : }
2409 2 : wpabuf_free(wpa_s->pending_eapol_rx);
2410 2 : wpa_s->pending_eapol_rx = NULL;
2411 : }
2412 :
2413 8809 : if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2414 4797 : wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
2415 1530 : wpa_s->current_ssid &&
2416 765 : (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2417 : /* Set static WEP keys again */
2418 758 : wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2419 : }
2420 :
2421 : #ifdef CONFIG_IBSS_RSN
2422 9554 : if (wpa_s->current_ssid &&
2423 4804 : wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2424 43 : wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
2425 27 : wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2426 11 : wpa_s->ibss_rsn == NULL) {
2427 11 : wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
2428 11 : if (!wpa_s->ibss_rsn) {
2429 2 : wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2430 2 : wpa_supplicant_deauthenticate(
2431 : wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2432 2 : return;
2433 : }
2434 :
2435 9 : ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2436 : }
2437 : #endif /* CONFIG_IBSS_RSN */
2438 :
2439 4775 : wpas_wps_notify_assoc(wpa_s, bssid);
2440 :
2441 4775 : if (data) {
2442 4761 : wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2443 : data->assoc_info.resp_ies_len,
2444 4761 : &data->assoc_info.wmm_params);
2445 :
2446 4761 : if (wpa_s->reassoc_same_bss)
2447 62 : wmm_ac_restore_tspecs(wpa_s);
2448 : }
2449 : }
2450 :
2451 :
2452 54 : static int disconnect_reason_recoverable(u16 reason_code)
2453 : {
2454 106 : return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2455 106 : reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2456 : reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2457 : }
2458 :
2459 :
2460 4982 : static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
2461 : u16 reason_code,
2462 : int locally_generated)
2463 : {
2464 : const u8 *bssid;
2465 :
2466 4982 : if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2467 : /*
2468 : * At least Host AP driver and a Prism3 card seemed to be
2469 : * generating streams of disconnected events when configuring
2470 : * IBSS for WPA-None. Ignore them for now.
2471 : */
2472 4987 : return;
2473 : }
2474 :
2475 4977 : bssid = wpa_s->bssid;
2476 4977 : if (is_zero_ether_addr(bssid))
2477 392 : bssid = wpa_s->pending_bssid;
2478 :
2479 5357 : if (!is_zero_ether_addr(bssid) ||
2480 380 : wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2481 32179 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2482 : " reason=%d%s",
2483 27582 : MAC2STR(bssid), reason_code,
2484 : locally_generated ? " locally_generated=1" : "");
2485 : }
2486 : }
2487 :
2488 :
2489 4937 : static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2490 : int locally_generated)
2491 : {
2492 4993 : if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2493 56 : !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2494 4918 : return 0; /* Not in 4-way handshake with PSK */
2495 :
2496 : /*
2497 : * It looks like connection was lost while trying to go through PSK
2498 : * 4-way handshake. Filter out known disconnection cases that are caused
2499 : * by something else than PSK mismatch to avoid confusing reports.
2500 : */
2501 :
2502 19 : if (locally_generated) {
2503 12 : if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2504 2 : return 0;
2505 : }
2506 :
2507 17 : return 1;
2508 : }
2509 :
2510 :
2511 4942 : static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2512 : u16 reason_code,
2513 : int locally_generated)
2514 : {
2515 : const u8 *bssid;
2516 : int authenticating;
2517 : u8 prev_pending_bssid[ETH_ALEN];
2518 4942 : struct wpa_bss *fast_reconnect = NULL;
2519 4942 : struct wpa_ssid *fast_reconnect_ssid = NULL;
2520 : struct wpa_ssid *last_ssid;
2521 4942 : struct wpa_bss *curr = NULL;
2522 :
2523 4942 : authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2524 4942 : os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
2525 :
2526 4942 : if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2527 : /*
2528 : * At least Host AP driver and a Prism3 card seemed to be
2529 : * generating streams of disconnected events when configuring
2530 : * IBSS for WPA-None. Ignore them for now.
2531 : */
2532 5 : wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2533 : "IBSS/WPA-None mode");
2534 5 : return;
2535 : }
2536 :
2537 4937 : if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2538 4 : reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
2539 : locally_generated)
2540 : /*
2541 : * Remove the inactive AP (which is probably out of range) from
2542 : * the BSS list after marking disassociation. In particular
2543 : * mac80211-based drivers use the
2544 : * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
2545 : * locally generated disconnection events for cases where the
2546 : * AP does not reply anymore.
2547 : */
2548 2 : curr = wpa_s->current_bss;
2549 :
2550 4937 : if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
2551 17 : wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2552 : "pre-shared key may be incorrect");
2553 17 : if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2554 1 : return; /* P2P group removed */
2555 16 : wpas_auth_failed(wpa_s, "WRONG_KEY");
2556 : }
2557 8454 : if (!wpa_s->disconnected &&
2558 3520 : (!wpa_s->auto_reconnect_disabled ||
2559 3 : wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
2560 1 : wpas_wps_searching(wpa_s) ||
2561 0 : wpas_wps_reenable_networks_pending(wpa_s))) {
2562 3518 : wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
2563 : "reconnect (wps=%d/%d wpa_state=%d)",
2564 : wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
2565 : wpas_wps_searching(wpa_s),
2566 : wpa_s->wpa_state);
2567 8012 : if (wpa_s->wpa_state == WPA_COMPLETED &&
2568 1952 : wpa_s->current_ssid &&
2569 1949 : wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
2570 54 : !locally_generated &&
2571 54 : disconnect_reason_recoverable(reason_code)) {
2572 : /*
2573 : * It looks like the AP has dropped association with
2574 : * us, but could allow us to get back in. Try to
2575 : * reconnect to the same BSS without full scan to save
2576 : * time for some common cases.
2577 : */
2578 6 : fast_reconnect = wpa_s->current_bss;
2579 6 : fast_reconnect_ssid = wpa_s->current_ssid;
2580 3512 : } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
2581 2633 : wpa_supplicant_req_scan(wpa_s, 0, 100000);
2582 : else
2583 879 : wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2584 : "immediate scan");
2585 : } else {
2586 1418 : wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
2587 : "try to re-connect");
2588 1418 : wpa_s->reassociate = 0;
2589 1418 : wpa_s->disconnected = 1;
2590 1418 : if (!wpa_s->pno)
2591 1418 : wpa_supplicant_cancel_sched_scan(wpa_s);
2592 : }
2593 4936 : bssid = wpa_s->bssid;
2594 4936 : if (is_zero_ether_addr(bssid))
2595 521 : bssid = wpa_s->pending_bssid;
2596 4936 : if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2597 3615 : wpas_connection_failed(wpa_s, bssid);
2598 4936 : wpa_sm_notify_disassoc(wpa_s->wpa);
2599 4936 : if (locally_generated)
2600 4417 : wpa_s->disconnect_reason = -reason_code;
2601 : else
2602 519 : wpa_s->disconnect_reason = reason_code;
2603 4936 : wpas_notify_disconnect_reason(wpa_s);
2604 4936 : if (wpa_supplicant_dynamic_keys(wpa_s)) {
2605 4210 : wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
2606 4210 : wpa_clear_keys(wpa_s, wpa_s->bssid);
2607 : }
2608 4936 : last_ssid = wpa_s->current_ssid;
2609 4936 : wpa_supplicant_mark_disassoc(wpa_s);
2610 :
2611 4936 : if (curr)
2612 2 : wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
2613 :
2614 4936 : if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
2615 7 : sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
2616 7 : wpa_s->current_ssid = last_ssid;
2617 : }
2618 :
2619 4942 : if (fast_reconnect &&
2620 12 : !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
2621 12 : !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
2622 6 : !disallowed_ssid(wpa_s, fast_reconnect->ssid,
2623 6 : fast_reconnect->ssid_len) &&
2624 11 : !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
2625 5 : !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) {
2626 : #ifndef CONFIG_NO_SCAN_PROCESSING
2627 5 : wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2628 10 : if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2629 : fast_reconnect_ssid) < 0) {
2630 : /* Recover through full scan */
2631 0 : wpa_supplicant_req_scan(wpa_s, 0, 100000);
2632 : }
2633 : #endif /* CONFIG_NO_SCAN_PROCESSING */
2634 4931 : } else if (fast_reconnect) {
2635 : /*
2636 : * Could not reconnect to the same BSS due to network being
2637 : * disabled. Use a new scan to match the alternative behavior
2638 : * above, i.e., to continue automatic reconnection attempt in a
2639 : * way that enforces disabled network rules.
2640 : */
2641 1 : wpa_supplicant_req_scan(wpa_s, 0, 100000);
2642 : }
2643 : }
2644 :
2645 :
2646 : #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2647 : void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
2648 : {
2649 : struct wpa_supplicant *wpa_s = eloop_ctx;
2650 :
2651 : if (!wpa_s->pending_mic_error_report)
2652 : return;
2653 :
2654 : wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
2655 : wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2656 : wpa_s->pending_mic_error_report = 0;
2657 : }
2658 : #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2659 :
2660 :
2661 : static void
2662 4 : wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2663 : union wpa_event_data *data)
2664 : {
2665 : int pairwise;
2666 : struct os_reltime t;
2667 :
2668 4 : wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2669 4 : pairwise = (data && data->michael_mic_failure.unicast);
2670 4 : os_get_reltime(&t);
2671 6 : if ((wpa_s->last_michael_mic_error.sec &&
2672 4 : !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
2673 2 : wpa_s->pending_mic_error_report) {
2674 2 : if (wpa_s->pending_mic_error_report) {
2675 : /*
2676 : * Send the pending MIC error report immediately since
2677 : * we are going to start countermeasures and AP better
2678 : * do the same.
2679 : */
2680 0 : wpa_sm_key_request(wpa_s->wpa, 1,
2681 : wpa_s->pending_mic_error_pairwise);
2682 : }
2683 :
2684 : /* Send the new MIC error report immediately since we are going
2685 : * to start countermeasures and AP better do the same.
2686 : */
2687 2 : wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2688 :
2689 : /* initialize countermeasures */
2690 2 : wpa_s->countermeasures = 1;
2691 :
2692 2 : wpa_blacklist_add(wpa_s, wpa_s->bssid);
2693 :
2694 2 : wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2695 :
2696 : /*
2697 : * Need to wait for completion of request frame. We do not get
2698 : * any callback for the message completion, so just wait a
2699 : * short while and hope for the best. */
2700 2 : os_sleep(0, 10000);
2701 :
2702 2 : wpa_drv_set_countermeasures(wpa_s, 1);
2703 2 : wpa_supplicant_deauthenticate(wpa_s,
2704 : WLAN_REASON_MICHAEL_MIC_FAILURE);
2705 2 : eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2706 : wpa_s, NULL);
2707 2 : eloop_register_timeout(60, 0,
2708 : wpa_supplicant_stop_countermeasures,
2709 : wpa_s, NULL);
2710 : /* TODO: mark the AP rejected for 60 second. STA is
2711 : * allowed to associate with another AP.. */
2712 : } else {
2713 : #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2714 : if (wpa_s->mic_errors_seen) {
2715 : /*
2716 : * Reduce the effectiveness of Michael MIC error
2717 : * reports as a means for attacking against TKIP if
2718 : * more than one MIC failure is noticed with the same
2719 : * PTK. We delay the transmission of the reports by a
2720 : * random time between 0 and 60 seconds in order to
2721 : * force the attacker wait 60 seconds before getting
2722 : * the information on whether a frame resulted in a MIC
2723 : * failure.
2724 : */
2725 : u8 rval[4];
2726 : int sec;
2727 :
2728 : if (os_get_random(rval, sizeof(rval)) < 0)
2729 : sec = os_random() % 60;
2730 : else
2731 : sec = WPA_GET_BE32(rval) % 60;
2732 : wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2733 : "report %d seconds", sec);
2734 : wpa_s->pending_mic_error_report = 1;
2735 : wpa_s->pending_mic_error_pairwise = pairwise;
2736 : eloop_cancel_timeout(
2737 : wpa_supplicant_delayed_mic_error_report,
2738 : wpa_s, NULL);
2739 : eloop_register_timeout(
2740 : sec, os_random() % 1000000,
2741 : wpa_supplicant_delayed_mic_error_report,
2742 : wpa_s, NULL);
2743 : } else {
2744 : wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2745 : }
2746 : #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2747 2 : wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2748 : #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2749 : }
2750 4 : wpa_s->last_michael_mic_error = t;
2751 4 : wpa_s->mic_errors_seen++;
2752 4 : }
2753 :
2754 :
2755 : #ifdef CONFIG_TERMINATE_ONLASTIF
2756 : static int any_interfaces(struct wpa_supplicant *head)
2757 : {
2758 : struct wpa_supplicant *wpa_s;
2759 :
2760 : for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2761 : if (!wpa_s->interface_removed)
2762 : return 1;
2763 : return 0;
2764 : }
2765 : #endif /* CONFIG_TERMINATE_ONLASTIF */
2766 :
2767 :
2768 : static void
2769 223 : wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2770 : union wpa_event_data *data)
2771 : {
2772 223 : if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2773 239 : return;
2774 :
2775 207 : switch (data->interface_status.ievent) {
2776 : case EVENT_INTERFACE_ADDED:
2777 164 : if (!wpa_s->interface_removed)
2778 164 : break;
2779 0 : wpa_s->interface_removed = 0;
2780 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
2781 0 : if (wpa_supplicant_driver_init(wpa_s) < 0) {
2782 0 : wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2783 : "driver after interface was added");
2784 : }
2785 :
2786 : #ifdef CONFIG_P2P
2787 0 : if (!wpa_s->global->p2p &&
2788 0 : !wpa_s->global->p2p_disabled &&
2789 0 : !wpa_s->conf->p2p_disabled &&
2790 0 : (wpa_s->drv_flags &
2791 0 : WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
2792 0 : wpas_p2p_add_p2pdev_interface(
2793 0 : wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
2794 0 : wpa_printf(MSG_INFO,
2795 : "P2P: Failed to enable P2P Device interface");
2796 : /* Try to continue without. P2P will be disabled. */
2797 : }
2798 : #endif /* CONFIG_P2P */
2799 :
2800 0 : break;
2801 : case EVENT_INTERFACE_REMOVED:
2802 43 : wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
2803 43 : wpa_s->interface_removed = 1;
2804 43 : wpa_supplicant_mark_disassoc(wpa_s);
2805 43 : wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
2806 43 : l2_packet_deinit(wpa_s->l2);
2807 43 : wpa_s->l2 = NULL;
2808 :
2809 : #ifdef CONFIG_P2P
2810 86 : if (wpa_s->global->p2p &&
2811 85 : wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
2812 42 : (wpa_s->drv_flags &
2813 : WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
2814 27 : wpa_dbg(wpa_s, MSG_DEBUG,
2815 : "Removing P2P Device interface");
2816 27 : wpa_supplicant_remove_iface(
2817 27 : wpa_s->global, wpa_s->global->p2p_init_wpa_s,
2818 : 0);
2819 27 : wpa_s->global->p2p_init_wpa_s = NULL;
2820 : }
2821 : #endif /* CONFIG_P2P */
2822 :
2823 : #ifdef CONFIG_MATCH_IFACE
2824 : if (wpa_s->matched) {
2825 : wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
2826 : break;
2827 : }
2828 : #endif /* CONFIG_MATCH_IFACE */
2829 :
2830 : #ifdef CONFIG_TERMINATE_ONLASTIF
2831 : /* check if last interface */
2832 : if (!any_interfaces(wpa_s->global->ifaces))
2833 : eloop_terminate();
2834 : #endif /* CONFIG_TERMINATE_ONLASTIF */
2835 43 : break;
2836 : }
2837 : }
2838 :
2839 :
2840 : #ifdef CONFIG_PEERKEY
2841 : static void
2842 0 : wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2843 : union wpa_event_data *data)
2844 : {
2845 0 : if (data == NULL)
2846 0 : return;
2847 0 : wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2848 : }
2849 : #endif /* CONFIG_PEERKEY */
2850 :
2851 :
2852 : #ifdef CONFIG_TDLS
2853 0 : static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2854 : union wpa_event_data *data)
2855 : {
2856 0 : if (data == NULL)
2857 0 : return;
2858 0 : switch (data->tdls.oper) {
2859 : case TDLS_REQUEST_SETUP:
2860 0 : wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2861 0 : if (wpa_tdls_is_external_setup(wpa_s->wpa))
2862 0 : wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2863 : else
2864 0 : wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
2865 0 : break;
2866 : case TDLS_REQUEST_TEARDOWN:
2867 0 : if (wpa_tdls_is_external_setup(wpa_s->wpa))
2868 0 : wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
2869 0 : data->tdls.reason_code);
2870 : else
2871 0 : wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
2872 0 : data->tdls.peer);
2873 0 : break;
2874 : case TDLS_REQUEST_DISCOVER:
2875 0 : wpa_tdls_send_discovery_request(wpa_s->wpa,
2876 0 : data->tdls.peer);
2877 0 : break;
2878 : }
2879 : }
2880 : #endif /* CONFIG_TDLS */
2881 :
2882 :
2883 : #ifdef CONFIG_WNM
2884 0 : static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2885 : union wpa_event_data *data)
2886 : {
2887 0 : if (data == NULL)
2888 0 : return;
2889 0 : switch (data->wnm.oper) {
2890 : case WNM_OPER_SLEEP:
2891 0 : wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2892 : "(action=%d, intval=%d)",
2893 0 : data->wnm.sleep_action, data->wnm.sleep_intval);
2894 0 : ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
2895 0 : data->wnm.sleep_intval, NULL);
2896 0 : break;
2897 : }
2898 : }
2899 : #endif /* CONFIG_WNM */
2900 :
2901 :
2902 : #ifdef CONFIG_IEEE80211R
2903 : static void
2904 0 : wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2905 : union wpa_event_data *data)
2906 : {
2907 0 : if (data == NULL)
2908 0 : return;
2909 :
2910 0 : if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2911 : data->ft_ies.ies_len,
2912 : data->ft_ies.ft_action,
2913 0 : data->ft_ies.target_ap,
2914 : data->ft_ies.ric_ies,
2915 : data->ft_ies.ric_ies_len) < 0) {
2916 : /* TODO: prevent MLME/driver from trying to associate? */
2917 : }
2918 : }
2919 : #endif /* CONFIG_IEEE80211R */
2920 :
2921 :
2922 : #ifdef CONFIG_IBSS_RSN
2923 22 : static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2924 : union wpa_event_data *data)
2925 : {
2926 : struct wpa_ssid *ssid;
2927 22 : if (wpa_s->wpa_state < WPA_ASSOCIATED)
2928 0 : return;
2929 22 : if (data == NULL)
2930 0 : return;
2931 22 : ssid = wpa_s->current_ssid;
2932 22 : if (ssid == NULL)
2933 0 : return;
2934 22 : if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2935 8 : return;
2936 :
2937 14 : ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2938 : }
2939 :
2940 :
2941 26 : static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
2942 : union wpa_event_data *data)
2943 : {
2944 26 : struct wpa_ssid *ssid = wpa_s->current_ssid;
2945 :
2946 26 : if (ssid == NULL)
2947 0 : return;
2948 :
2949 : /* check if the ssid is correctly configured as IBSS/RSN */
2950 26 : if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2951 0 : return;
2952 :
2953 26 : ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
2954 : data->rx_mgmt.frame_len);
2955 : }
2956 : #endif /* CONFIG_IBSS_RSN */
2957 :
2958 :
2959 : #ifdef CONFIG_IEEE80211R
2960 129 : static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2961 : size_t len)
2962 : {
2963 : const u8 *sta_addr, *target_ap_addr;
2964 : u16 status;
2965 :
2966 129 : wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2967 129 : if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2968 0 : return; /* only SME case supported for now */
2969 129 : if (len < 1 + 2 * ETH_ALEN + 2)
2970 0 : return;
2971 129 : if (data[0] != 2)
2972 1 : return; /* Only FT Action Response is supported for now */
2973 128 : sta_addr = data + 1;
2974 128 : target_ap_addr = data + 1 + ETH_ALEN;
2975 128 : status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
2976 128 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2977 : MACSTR " TargetAP " MACSTR " status %u",
2978 : MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
2979 :
2980 128 : if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
2981 1 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2982 : " in FT Action Response", MAC2STR(sta_addr));
2983 1 : return;
2984 : }
2985 :
2986 127 : if (status) {
2987 2 : wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2988 : "failure (status code %d)", status);
2989 : /* TODO: report error to FT code(?) */
2990 2 : return;
2991 : }
2992 :
2993 125 : if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2994 : len - (1 + 2 * ETH_ALEN + 2), 1,
2995 : target_ap_addr, NULL, 0) < 0)
2996 17 : return;
2997 :
2998 : #ifdef CONFIG_SME
2999 : {
3000 : struct wpa_bss *bss;
3001 108 : bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3002 108 : if (bss)
3003 108 : wpa_s->sme.freq = bss->freq;
3004 108 : wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
3005 108 : sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3006 : WLAN_AUTH_FT);
3007 : }
3008 : #endif /* CONFIG_SME */
3009 : }
3010 : #endif /* CONFIG_IEEE80211R */
3011 :
3012 :
3013 21 : static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3014 : struct unprot_deauth *e)
3015 : {
3016 : #ifdef CONFIG_IEEE80211W
3017 273 : wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3018 : "dropped: " MACSTR " -> " MACSTR
3019 : " (reason code %u)",
3020 273 : MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3021 21 : sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3022 : #endif /* CONFIG_IEEE80211W */
3023 21 : }
3024 :
3025 :
3026 19 : static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3027 : struct unprot_disassoc *e)
3028 : {
3029 : #ifdef CONFIG_IEEE80211W
3030 247 : wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3031 : "dropped: " MACSTR " -> " MACSTR
3032 : " (reason code %u)",
3033 247 : MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3034 19 : sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3035 : #endif /* CONFIG_IEEE80211W */
3036 19 : }
3037 :
3038 :
3039 5128 : static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3040 : u16 reason_code, int locally_generated,
3041 : const u8 *ie, size_t ie_len, int deauth)
3042 : {
3043 : #ifdef CONFIG_AP
3044 5128 : if (wpa_s->ap_iface && addr) {
3045 0 : hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3046 0 : return;
3047 : }
3048 :
3049 5128 : if (wpa_s->ap_iface) {
3050 164 : wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3051 164 : return;
3052 : }
3053 : #endif /* CONFIG_AP */
3054 :
3055 4964 : if (!locally_generated)
3056 542 : wpa_s->own_disconnect_req = 0;
3057 :
3058 4964 : wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3059 :
3060 9674 : if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3061 7315 : ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3062 4729 : (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3063 2784 : eapol_sm_failed(wpa_s->eapol))) &&
3064 660 : !wpa_s->eap_expected_failure))
3065 624 : wpas_auth_failed(wpa_s, "AUTH_FAILED");
3066 :
3067 : #ifdef CONFIG_P2P
3068 4964 : if (deauth && reason_code > 0) {
3069 4945 : if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3070 : locally_generated) > 0) {
3071 : /*
3072 : * The interface was removed, so cannot continue
3073 : * processing any additional operations after this.
3074 : */
3075 22 : return;
3076 : }
3077 : }
3078 : #endif /* CONFIG_P2P */
3079 :
3080 4942 : wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3081 : locally_generated);
3082 : }
3083 :
3084 :
3085 18 : static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3086 : struct disassoc_info *info)
3087 : {
3088 18 : u16 reason_code = 0;
3089 18 : int locally_generated = 0;
3090 18 : const u8 *addr = NULL;
3091 18 : const u8 *ie = NULL;
3092 18 : size_t ie_len = 0;
3093 :
3094 18 : wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3095 :
3096 18 : if (info) {
3097 9 : addr = info->addr;
3098 9 : ie = info->ie;
3099 9 : ie_len = info->ie_len;
3100 9 : reason_code = info->reason_code;
3101 9 : locally_generated = info->locally_generated;
3102 9 : wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
3103 : locally_generated ? " (locally generated)" : "");
3104 9 : if (addr)
3105 9 : wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3106 : MAC2STR(addr));
3107 9 : wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3108 : ie, ie_len);
3109 : }
3110 :
3111 : #ifdef CONFIG_AP
3112 18 : if (wpa_s->ap_iface && info && info->addr) {
3113 0 : hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3114 0 : return;
3115 : }
3116 :
3117 18 : if (wpa_s->ap_iface) {
3118 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3119 0 : return;
3120 : }
3121 : #endif /* CONFIG_AP */
3122 :
3123 : #ifdef CONFIG_P2P
3124 18 : if (info) {
3125 9 : wpas_p2p_disassoc_notif(
3126 : wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3127 : locally_generated);
3128 : }
3129 : #endif /* CONFIG_P2P */
3130 :
3131 18 : if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3132 9 : sme_event_disassoc(wpa_s, info);
3133 :
3134 18 : wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3135 : ie, ie_len, 0);
3136 : }
3137 :
3138 :
3139 5110 : static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3140 : struct deauth_info *info)
3141 : {
3142 5110 : u16 reason_code = 0;
3143 5110 : int locally_generated = 0;
3144 5110 : const u8 *addr = NULL;
3145 5110 : const u8 *ie = NULL;
3146 5110 : size_t ie_len = 0;
3147 :
3148 5110 : wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3149 :
3150 5110 : if (info) {
3151 5110 : addr = info->addr;
3152 5110 : ie = info->ie;
3153 5110 : ie_len = info->ie_len;
3154 5110 : reason_code = info->reason_code;
3155 5110 : locally_generated = info->locally_generated;
3156 5110 : wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
3157 : reason_code,
3158 : locally_generated ? " (locally generated)" : "");
3159 5110 : if (addr) {
3160 786 : wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3161 : MAC2STR(addr));
3162 : }
3163 5110 : wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3164 : ie, ie_len);
3165 : }
3166 :
3167 5110 : wpa_reset_ft_completed(wpa_s->wpa);
3168 :
3169 5110 : wpas_event_disconnect(wpa_s, addr, reason_code,
3170 : locally_generated, ie, ie_len, 1);
3171 5110 : }
3172 :
3173 :
3174 14590 : static const char * reg_init_str(enum reg_change_initiator init)
3175 : {
3176 14590 : switch (init) {
3177 : case REGDOM_SET_BY_CORE:
3178 12150 : return "CORE";
3179 : case REGDOM_SET_BY_USER:
3180 2267 : return "USER";
3181 : case REGDOM_SET_BY_DRIVER:
3182 0 : return "DRIVER";
3183 : case REGDOM_SET_BY_COUNTRY_IE:
3184 57 : return "COUNTRY_IE";
3185 : case REGDOM_BEACON_HINT:
3186 116 : return "BEACON_HINT";
3187 : }
3188 0 : return "?";
3189 : }
3190 :
3191 :
3192 14590 : static const char * reg_type_str(enum reg_type type)
3193 : {
3194 14590 : switch (type) {
3195 : case REGDOM_TYPE_UNKNOWN:
3196 116 : return "UNKNOWN";
3197 : case REGDOM_TYPE_COUNTRY:
3198 1603 : return "COUNTRY";
3199 : case REGDOM_TYPE_WORLD:
3200 12871 : return "WORLD";
3201 : case REGDOM_TYPE_CUSTOM_WORLD:
3202 0 : return "CUSTOM_WORLD";
3203 : case REGDOM_TYPE_INTERSECTION:
3204 0 : return "INTERSECTION";
3205 : }
3206 0 : return "?";
3207 : }
3208 :
3209 :
3210 14590 : static void wpa_supplicant_update_channel_list(
3211 : struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
3212 : {
3213 : struct wpa_supplicant *ifs;
3214 :
3215 : /*
3216 : * To allow backwards compatibility with higher level layers that
3217 : * assumed the REGDOM_CHANGE event is sent over the initially added
3218 : * interface. Find the highest parent of this interface and use it to
3219 : * send the event.
3220 : */
3221 14590 : for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3222 : ;
3223 :
3224 29180 : wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
3225 : reg_init_str(info->initiator), reg_type_str(info->type),
3226 14590 : info->alpha2[0] ? " alpha2=" : "",
3227 14590 : info->alpha2[0] ? info->alpha2 : "");
3228 :
3229 14590 : if (wpa_s->drv_priv == NULL)
3230 14590 : return; /* Ignore event during drv initialization */
3231 :
3232 29293 : dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3233 : radio_list) {
3234 14703 : wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3235 14703 : ifs->ifname);
3236 14703 : free_hw_features(ifs);
3237 14703 : ifs->hw.modes = wpa_drv_get_hw_feature_data(
3238 : ifs, &ifs->hw.num_modes, &ifs->hw.flags);
3239 :
3240 : /* Restart PNO/sched_scan with updated channel list */
3241 14703 : if (ifs->pno) {
3242 0 : wpas_stop_pno(ifs);
3243 0 : wpas_start_pno(ifs);
3244 14703 : } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3245 0 : wpa_dbg(ifs, MSG_DEBUG,
3246 : "Channel list changed - restart sched_scan");
3247 0 : wpas_scan_restart_sched_scan(ifs);
3248 : }
3249 : }
3250 :
3251 14590 : wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
3252 : }
3253 :
3254 :
3255 2948 : static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
3256 : const u8 *frame, size_t len, int freq,
3257 : int rssi)
3258 : {
3259 : const struct ieee80211_mgmt *mgmt;
3260 : const u8 *payload;
3261 : size_t plen;
3262 : u8 category;
3263 :
3264 2948 : if (len < IEEE80211_HDRLEN + 2)
3265 0 : return;
3266 :
3267 2948 : mgmt = (const struct ieee80211_mgmt *) frame;
3268 2948 : payload = frame + IEEE80211_HDRLEN;
3269 2948 : category = *payload++;
3270 2948 : plen = len - IEEE80211_HDRLEN - 1;
3271 :
3272 2948 : wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3273 : " Category=%u DataLen=%d freq=%d MHz",
3274 : MAC2STR(mgmt->sa), category, (int) plen, freq);
3275 :
3276 2948 : if (category == WLAN_ACTION_WMM) {
3277 15 : wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3278 15 : return;
3279 : }
3280 :
3281 : #ifdef CONFIG_IEEE80211R
3282 2933 : if (category == WLAN_ACTION_FT) {
3283 129 : ft_rx_action(wpa_s, payload, plen);
3284 129 : return;
3285 : }
3286 : #endif /* CONFIG_IEEE80211R */
3287 :
3288 : #ifdef CONFIG_IEEE80211W
3289 : #ifdef CONFIG_SME
3290 2804 : if (category == WLAN_ACTION_SA_QUERY) {
3291 3 : sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3292 3 : return;
3293 : }
3294 : #endif /* CONFIG_SME */
3295 : #endif /* CONFIG_IEEE80211W */
3296 :
3297 : #ifdef CONFIG_WNM
3298 2801 : if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3299 110 : ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3300 110 : return;
3301 : }
3302 : #endif /* CONFIG_WNM */
3303 :
3304 : #ifdef CONFIG_GAS
3305 3429 : if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3306 2695 : mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3307 1957 : gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
3308 1957 : mgmt->u.action.category,
3309 : payload, plen, freq) == 0)
3310 723 : return;
3311 : #endif /* CONFIG_GAS */
3312 :
3313 : #ifdef CONFIG_TDLS
3314 3179 : if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3315 1211 : payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3316 2 : wpa_dbg(wpa_s, MSG_DEBUG,
3317 : "TDLS: Received Discovery Response from " MACSTR,
3318 : MAC2STR(mgmt->sa));
3319 2 : return;
3320 : }
3321 : #endif /* CONFIG_TDLS */
3322 :
3323 : #ifdef CONFIG_INTERWORKING
3324 1967 : if (category == WLAN_ACTION_QOS && plen >= 1 &&
3325 1 : payload[0] == QOS_QOS_MAP_CONFIG) {
3326 1 : const u8 *pos = payload + 1;
3327 1 : size_t qlen = plen - 1;
3328 1 : wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3329 : MACSTR, MAC2STR(mgmt->sa));
3330 1 : if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3331 2 : qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3332 2 : pos[1] <= qlen - 2 && pos[1] >= 16)
3333 1 : wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3334 1 : return;
3335 : }
3336 : #endif /* CONFIG_INTERWORKING */
3337 :
3338 1983 : if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3339 18 : payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3340 1 : wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
3341 : payload + 1,
3342 : plen - 1);
3343 1 : return;
3344 : }
3345 :
3346 1981 : if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3347 17 : payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3348 17 : wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3349 17 : return;
3350 : }
3351 :
3352 1947 : if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3353 0 : payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3354 0 : wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3355 : payload + 1, plen - 1,
3356 : rssi);
3357 0 : return;
3358 : }
3359 :
3360 : #ifdef CONFIG_FST
3361 1947 : if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3362 351 : fst_rx_action(wpa_s->fst, mgmt, len);
3363 351 : return;
3364 : }
3365 : #endif /* CONFIG_FST */
3366 :
3367 1596 : wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3368 : category, payload, plen, freq);
3369 1596 : if (wpa_s->ifmsh)
3370 359 : mesh_mpm_action_rx(wpa_s, mgmt, len);
3371 : }
3372 :
3373 :
3374 6 : static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3375 : union wpa_event_data *event)
3376 : {
3377 : struct wpa_freq_range_list *list;
3378 6 : char *str = NULL;
3379 :
3380 6 : list = &event->freq_range;
3381 :
3382 6 : if (list->num)
3383 3 : str = freq_range_list_str(list);
3384 6 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3385 : str ? str : "");
3386 :
3387 : #ifdef CONFIG_P2P
3388 6 : if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3389 0 : wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3390 : __func__);
3391 : } else {
3392 6 : wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
3393 :
3394 : /*
3395 : * The update channel flow will also take care of moving a GO
3396 : * from the unsafe frequency if needed.
3397 : */
3398 6 : wpas_p2p_update_channel_list(wpa_s,
3399 : WPAS_P2P_CHANNEL_UPDATE_AVOID);
3400 : }
3401 : #endif /* CONFIG_P2P */
3402 :
3403 6 : os_free(str);
3404 6 : }
3405 :
3406 :
3407 0 : static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
3408 : union wpa_event_data *data)
3409 : {
3410 0 : wpa_dbg(wpa_s, MSG_DEBUG,
3411 : "Connection authorized by device, previous state %d",
3412 : wpa_s->wpa_state);
3413 0 : if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3414 0 : wpa_supplicant_cancel_auth_timeout(wpa_s);
3415 0 : wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3416 0 : eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3417 0 : eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3418 : }
3419 0 : wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
3420 0 : wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
3421 : data->assoc_info.ptk_kck_len,
3422 : data->assoc_info.ptk_kek,
3423 : data->assoc_info.ptk_kek_len);
3424 0 : }
3425 :
3426 :
3427 60235 : void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
3428 : union wpa_event_data *data)
3429 : {
3430 60235 : struct wpa_supplicant *wpa_s = ctx;
3431 : int resched;
3432 :
3433 60235 : if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
3434 87 : event != EVENT_INTERFACE_ENABLED &&
3435 43 : event != EVENT_INTERFACE_STATUS &&
3436 39 : event != EVENT_SCAN_RESULTS &&
3437 : event != EVENT_SCHED_SCAN_STOPPED) {
3438 39 : wpa_dbg(wpa_s, MSG_DEBUG,
3439 : "Ignore event %s (%d) while interface is disabled",
3440 : event_to_string(event), event);
3441 60274 : return;
3442 : }
3443 :
3444 : #ifndef CONFIG_NO_STDOUT_DEBUG
3445 : {
3446 60196 : int level = MSG_DEBUG;
3447 :
3448 60196 : if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
3449 : const struct ieee80211_hdr *hdr;
3450 : u16 fc;
3451 7331 : hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
3452 7331 : fc = le_to_host16(hdr->frame_control);
3453 14662 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3454 7331 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
3455 829 : level = MSG_EXCESSIVE;
3456 : }
3457 :
3458 60196 : wpa_dbg(wpa_s, level, "Event %s (%d) received",
3459 : event_to_string(event), event);
3460 : }
3461 : #endif /* CONFIG_NO_STDOUT_DEBUG */
3462 :
3463 60196 : switch (event) {
3464 : case EVENT_AUTH:
3465 : #ifdef CONFIG_FST
3466 4570 : if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
3467 : data->auth.ies_len))
3468 0 : wpa_printf(MSG_DEBUG,
3469 : "FST: MB IEs updated from auth IE");
3470 : #endif /* CONFIG_FST */
3471 4570 : sme_event_auth(wpa_s, data);
3472 4570 : break;
3473 : case EVENT_ASSOC:
3474 : #ifdef CONFIG_TESTING_OPTIONS
3475 4784 : if (wpa_s->ignore_auth_resp) {
3476 2 : wpa_printf(MSG_INFO,
3477 : "EVENT_ASSOC - ignore_auth_resp active!");
3478 2 : break;
3479 : }
3480 : #endif /* CONFIG_TESTING_OPTIONS */
3481 4782 : wpa_supplicant_event_assoc(wpa_s, data);
3482 4782 : if (data && data->assoc_info.authorized)
3483 0 : wpa_supplicant_event_assoc_auth(wpa_s, data);
3484 4782 : if (data) {
3485 4768 : wpa_msg(wpa_s, MSG_INFO,
3486 : WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
3487 4768 : data->assoc_info.subnet_status);
3488 : }
3489 4782 : break;
3490 : case EVENT_DISASSOC:
3491 18 : wpas_event_disassoc(wpa_s,
3492 : data ? &data->disassoc_info : NULL);
3493 18 : break;
3494 : case EVENT_DEAUTH:
3495 : #ifdef CONFIG_TESTING_OPTIONS
3496 5116 : if (wpa_s->ignore_auth_resp) {
3497 6 : wpa_printf(MSG_INFO,
3498 : "EVENT_DEAUTH - ignore_auth_resp active!");
3499 6 : break;
3500 : }
3501 : #endif /* CONFIG_TESTING_OPTIONS */
3502 5110 : wpas_event_deauth(wpa_s,
3503 : data ? &data->deauth_info : NULL);
3504 5110 : break;
3505 : case EVENT_MICHAEL_MIC_FAILURE:
3506 4 : wpa_supplicant_event_michael_mic_failure(wpa_s, data);
3507 4 : break;
3508 : #ifndef CONFIG_NO_SCAN_PROCESSING
3509 : case EVENT_SCAN_STARTED:
3510 5598 : if (wpa_s->own_scan_requested ||
3511 5576 : (data && !data->scan_info.external_scan)) {
3512 : struct os_reltime diff;
3513 :
3514 5576 : os_get_reltime(&wpa_s->scan_start_time);
3515 5576 : os_reltime_sub(&wpa_s->scan_start_time,
3516 : &wpa_s->scan_trigger_time, &diff);
3517 5576 : wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
3518 : diff.sec, diff.usec);
3519 5576 : wpa_s->own_scan_requested = 0;
3520 5576 : wpa_s->own_scan_running = 1;
3521 5576 : if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
3522 : wpa_s->manual_scan_use_id) {
3523 33 : wpa_msg_ctrl(wpa_s, MSG_INFO,
3524 : WPA_EVENT_SCAN_STARTED "id=%u",
3525 : wpa_s->manual_scan_id);
3526 : } else {
3527 5543 : wpa_msg_ctrl(wpa_s, MSG_INFO,
3528 : WPA_EVENT_SCAN_STARTED);
3529 : }
3530 : } else {
3531 22 : wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
3532 22 : wpa_s->radio->external_scan_running = 1;
3533 22 : wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
3534 : }
3535 5598 : break;
3536 : case EVENT_SCAN_RESULTS:
3537 5606 : if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3538 4 : wpa_s->scan_res_handler = NULL;
3539 4 : wpa_s->own_scan_running = 0;
3540 4 : wpa_s->radio->external_scan_running = 0;
3541 4 : wpa_s->last_scan_req = NORMAL_SCAN_REQ;
3542 4 : break;
3543 : }
3544 :
3545 11191 : if (!(data && data->scan_info.external_scan) &&
3546 5589 : os_reltime_initialized(&wpa_s->scan_start_time)) {
3547 : struct os_reltime now, diff;
3548 5564 : os_get_reltime(&now);
3549 5564 : os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
3550 5564 : wpa_s->scan_start_time.sec = 0;
3551 5564 : wpa_s->scan_start_time.usec = 0;
3552 5564 : wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
3553 : diff.sec, diff.usec);
3554 : }
3555 5602 : if (wpa_supplicant_event_scan_results(wpa_s, data))
3556 1 : break; /* interface may have been removed */
3557 5601 : if (!(data && data->scan_info.external_scan))
3558 5588 : wpa_s->own_scan_running = 0;
3559 5601 : if (data && data->scan_info.nl_scan_event)
3560 5586 : wpa_s->radio->external_scan_running = 0;
3561 5601 : radio_work_check_next(wpa_s);
3562 5601 : break;
3563 : #endif /* CONFIG_NO_SCAN_PROCESSING */
3564 : case EVENT_ASSOCINFO:
3565 14 : wpa_supplicant_event_associnfo(wpa_s, data);
3566 14 : break;
3567 : case EVENT_INTERFACE_STATUS:
3568 223 : wpa_supplicant_event_interface_status(wpa_s, data);
3569 223 : break;
3570 : case EVENT_PMKID_CANDIDATE:
3571 0 : wpa_supplicant_event_pmkid_candidate(wpa_s, data);
3572 0 : break;
3573 : #ifdef CONFIG_PEERKEY
3574 : case EVENT_STKSTART:
3575 0 : wpa_supplicant_event_stkstart(wpa_s, data);
3576 0 : break;
3577 : #endif /* CONFIG_PEERKEY */
3578 : #ifdef CONFIG_TDLS
3579 : case EVENT_TDLS:
3580 0 : wpa_supplicant_event_tdls(wpa_s, data);
3581 0 : break;
3582 : #endif /* CONFIG_TDLS */
3583 : #ifdef CONFIG_WNM
3584 : case EVENT_WNM:
3585 0 : wpa_supplicant_event_wnm(wpa_s, data);
3586 0 : break;
3587 : #endif /* CONFIG_WNM */
3588 : #ifdef CONFIG_IEEE80211R
3589 : case EVENT_FT_RESPONSE:
3590 0 : wpa_supplicant_event_ft_response(wpa_s, data);
3591 0 : break;
3592 : #endif /* CONFIG_IEEE80211R */
3593 : #ifdef CONFIG_IBSS_RSN
3594 : case EVENT_IBSS_RSN_START:
3595 22 : wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
3596 22 : break;
3597 : #endif /* CONFIG_IBSS_RSN */
3598 : case EVENT_ASSOC_REJECT:
3599 51 : if (data->assoc_reject.bssid)
3600 384 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3601 : "bssid=" MACSTR " status_code=%u%s",
3602 288 : MAC2STR(data->assoc_reject.bssid),
3603 48 : data->assoc_reject.status_code,
3604 48 : data->assoc_reject.timed_out ? " timeout" : "");
3605 : else
3606 6 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3607 : "status_code=%u%s",
3608 3 : data->assoc_reject.status_code,
3609 3 : data->assoc_reject.timed_out ? " timeout" : "");
3610 51 : wpa_s->assoc_status_code = data->assoc_reject.status_code;
3611 51 : wpas_notify_assoc_status_code(wpa_s);
3612 51 : if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3613 44 : sme_event_assoc_reject(wpa_s, data);
3614 : else {
3615 7 : const u8 *bssid = data->assoc_reject.bssid;
3616 7 : if (bssid == NULL || is_zero_ether_addr(bssid))
3617 3 : bssid = wpa_s->pending_bssid;
3618 7 : wpas_connection_failed(wpa_s, bssid);
3619 7 : wpa_supplicant_mark_disassoc(wpa_s);
3620 : }
3621 51 : break;
3622 : case EVENT_AUTH_TIMED_OUT:
3623 : /* It is possible to get this event from earlier connection */
3624 37 : if (wpa_s->current_ssid &&
3625 18 : wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3626 0 : wpa_dbg(wpa_s, MSG_DEBUG,
3627 : "Ignore AUTH_TIMED_OUT in mesh configuration");
3628 0 : break;
3629 : }
3630 19 : if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3631 17 : sme_event_auth_timed_out(wpa_s, data);
3632 19 : break;
3633 : case EVENT_ASSOC_TIMED_OUT:
3634 : /* It is possible to get this event from earlier connection */
3635 2 : if (wpa_s->current_ssid &&
3636 1 : wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3637 0 : wpa_dbg(wpa_s, MSG_DEBUG,
3638 : "Ignore ASSOC_TIMED_OUT in mesh configuration");
3639 0 : break;
3640 : }
3641 1 : if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3642 1 : sme_event_assoc_timed_out(wpa_s, data);
3643 1 : break;
3644 : case EVENT_TX_STATUS:
3645 5597 : wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
3646 : " type=%d stype=%d",
3647 : MAC2STR(data->tx_status.dst),
3648 : data->tx_status.type, data->tx_status.stype);
3649 : #ifdef CONFIG_AP
3650 5597 : if (wpa_s->ap_iface == NULL) {
3651 : #ifdef CONFIG_OFFCHANNEL
3652 7374 : if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3653 3687 : data->tx_status.stype == WLAN_FC_STYPE_ACTION)
3654 3687 : offchannel_send_action_tx_status(
3655 : wpa_s, data->tx_status.dst,
3656 : data->tx_status.data,
3657 : data->tx_status.data_len,
3658 3687 : data->tx_status.ack ?
3659 : OFFCHANNEL_SEND_ACTION_SUCCESS :
3660 : OFFCHANNEL_SEND_ACTION_NO_ACK);
3661 : #endif /* CONFIG_OFFCHANNEL */
3662 3687 : break;
3663 : }
3664 : #endif /* CONFIG_AP */
3665 : #ifdef CONFIG_OFFCHANNEL
3666 1910 : wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
3667 : MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
3668 : /*
3669 : * Catch TX status events for Action frames we sent via group
3670 : * interface in GO mode, or via standalone AP interface.
3671 : * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
3672 : * except when the primary interface is used as a GO interface
3673 : * (for drivers which do not have group interface concurrency)
3674 : */
3675 3806 : if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3676 1996 : data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
3677 100 : os_memcmp(wpa_s->p2pdev->pending_action_dst,
3678 : data->tx_status.dst, ETH_ALEN) == 0) {
3679 92 : offchannel_send_action_tx_status(
3680 : wpa_s->p2pdev, data->tx_status.dst,
3681 : data->tx_status.data,
3682 : data->tx_status.data_len,
3683 92 : data->tx_status.ack ?
3684 : OFFCHANNEL_SEND_ACTION_SUCCESS :
3685 : OFFCHANNEL_SEND_ACTION_NO_ACK);
3686 92 : break;
3687 : }
3688 : #endif /* CONFIG_OFFCHANNEL */
3689 : #ifdef CONFIG_AP
3690 1818 : switch (data->tx_status.type) {
3691 : case WLAN_FC_TYPE_MGMT:
3692 3608 : ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
3693 : data->tx_status.data_len,
3694 1804 : data->tx_status.stype,
3695 : data->tx_status.ack);
3696 1804 : break;
3697 : case WLAN_FC_TYPE_DATA:
3698 14 : ap_tx_status(wpa_s, data->tx_status.dst,
3699 : data->tx_status.data,
3700 : data->tx_status.data_len,
3701 : data->tx_status.ack);
3702 14 : break;
3703 : }
3704 : #endif /* CONFIG_AP */
3705 1818 : break;
3706 : #ifdef CONFIG_AP
3707 : case EVENT_EAPOL_TX_STATUS:
3708 4664 : ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
3709 : data->eapol_tx_status.data,
3710 2332 : data->eapol_tx_status.data_len,
3711 : data->eapol_tx_status.ack);
3712 2332 : break;
3713 : case EVENT_DRIVER_CLIENT_POLL_OK:
3714 0 : ap_client_poll_ok(wpa_s, data->client_poll.addr);
3715 0 : break;
3716 : case EVENT_RX_FROM_UNKNOWN:
3717 0 : if (wpa_s->ap_iface == NULL)
3718 0 : break;
3719 0 : ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
3720 : data->rx_from_unknown.wds);
3721 0 : break;
3722 : case EVENT_CH_SWITCH:
3723 18 : if (!data || !wpa_s->current_ssid)
3724 : break;
3725 :
3726 18 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
3727 : "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
3728 : data->ch_switch.freq,
3729 : data->ch_switch.ht_enabled,
3730 : data->ch_switch.ch_offset,
3731 : channel_width_to_string(data->ch_switch.ch_width),
3732 : data->ch_switch.cf1,
3733 : data->ch_switch.cf2);
3734 :
3735 18 : wpa_s->assoc_freq = data->ch_switch.freq;
3736 18 : wpa_s->current_ssid->frequency = data->ch_switch.freq;
3737 :
3738 36 : if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
3739 34 : wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
3740 16 : wpa_s->current_ssid->mode ==
3741 : WPAS_MODE_P2P_GROUP_FORMATION) {
3742 4 : wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
3743 : data->ch_switch.ht_enabled,
3744 : data->ch_switch.ch_offset,
3745 2 : data->ch_switch.ch_width,
3746 : data->ch_switch.cf1,
3747 : data->ch_switch.cf2);
3748 : }
3749 :
3750 18 : wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
3751 18 : break;
3752 : #ifdef NEED_AP_MLME
3753 : case EVENT_DFS_RADAR_DETECTED:
3754 21 : if (data)
3755 21 : wpas_event_dfs_radar_detected(wpa_s, &data->dfs_event);
3756 21 : break;
3757 : case EVENT_DFS_CAC_STARTED:
3758 0 : if (data)
3759 0 : wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
3760 0 : break;
3761 : case EVENT_DFS_CAC_FINISHED:
3762 1 : if (data)
3763 1 : wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
3764 1 : break;
3765 : case EVENT_DFS_CAC_ABORTED:
3766 0 : if (data)
3767 0 : wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
3768 0 : break;
3769 : case EVENT_DFS_NOP_FINISHED:
3770 0 : if (data)
3771 0 : wpas_event_dfs_cac_nop_finished(wpa_s,
3772 : &data->dfs_event);
3773 0 : break;
3774 : #endif /* NEED_AP_MLME */
3775 : #endif /* CONFIG_AP */
3776 : case EVENT_RX_MGMT: {
3777 : u16 fc, stype;
3778 : const struct ieee80211_mgmt *mgmt;
3779 :
3780 : #ifdef CONFIG_TESTING_OPTIONS
3781 7331 : if (wpa_s->ext_mgmt_frame_handling) {
3782 106 : struct rx_mgmt *rx = &data->rx_mgmt;
3783 106 : size_t hex_len = 2 * rx->frame_len + 1;
3784 106 : char *hex = os_malloc(hex_len);
3785 106 : if (hex) {
3786 106 : wpa_snprintf_hex(hex, hex_len,
3787 : rx->frame, rx->frame_len);
3788 106 : wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
3789 : rx->freq, rx->datarate, rx->ssi_signal,
3790 : hex);
3791 106 : os_free(hex);
3792 : }
3793 106 : break;
3794 : }
3795 : #endif /* CONFIG_TESTING_OPTIONS */
3796 :
3797 7225 : mgmt = (const struct ieee80211_mgmt *)
3798 : data->rx_mgmt.frame;
3799 7225 : fc = le_to_host16(mgmt->frame_control);
3800 7225 : stype = WLAN_FC_GET_STYPE(fc);
3801 :
3802 : #ifdef CONFIG_AP
3803 7225 : if (wpa_s->ap_iface == NULL) {
3804 : #endif /* CONFIG_AP */
3805 : #ifdef CONFIG_P2P
3806 5096 : if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3807 837 : data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
3808 837 : const u8 *src = mgmt->sa;
3809 : const u8 *ie;
3810 : size_t ie_len;
3811 :
3812 837 : ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
3813 837 : ie_len = data->rx_mgmt.frame_len -
3814 : IEEE80211_HDRLEN;
3815 2511 : wpas_p2p_probe_req_rx(
3816 837 : wpa_s, src, mgmt->da,
3817 837 : mgmt->bssid, ie, ie_len,
3818 837 : data->rx_mgmt.freq,
3819 : data->rx_mgmt.ssi_signal);
3820 837 : break;
3821 : }
3822 : #endif /* CONFIG_P2P */
3823 : #ifdef CONFIG_IBSS_RSN
3824 4961 : if (wpa_s->current_ssid &&
3825 1565 : wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
3826 26 : stype == WLAN_FC_STYPE_AUTH &&
3827 26 : data->rx_mgmt.frame_len >= 30) {
3828 26 : wpa_supplicant_event_ibss_auth(wpa_s, data);
3829 26 : break;
3830 : }
3831 : #endif /* CONFIG_IBSS_RSN */
3832 :
3833 3396 : if (stype == WLAN_FC_STYPE_ACTION) {
3834 2948 : wpas_event_rx_mgmt_action(
3835 : wpa_s, data->rx_mgmt.frame,
3836 : data->rx_mgmt.frame_len,
3837 : data->rx_mgmt.freq,
3838 : data->rx_mgmt.ssi_signal);
3839 2948 : break;
3840 : }
3841 :
3842 448 : if (wpa_s->ifmsh) {
3843 422 : mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
3844 422 : break;
3845 : }
3846 :
3847 26 : wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
3848 : "management frame in non-AP mode");
3849 26 : break;
3850 : #ifdef CONFIG_AP
3851 : }
3852 :
3853 3533 : if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3854 567 : data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
3855 : const u8 *ie;
3856 : size_t ie_len;
3857 :
3858 567 : ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
3859 567 : ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
3860 :
3861 1134 : wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
3862 567 : mgmt->bssid, ie, ie_len,
3863 567 : data->rx_mgmt.ssi_signal);
3864 : }
3865 :
3866 2966 : ap_mgmt_rx(wpa_s, &data->rx_mgmt);
3867 : #endif /* CONFIG_AP */
3868 2966 : break;
3869 : }
3870 : case EVENT_RX_PROBE_REQ:
3871 0 : if (data->rx_probe_req.sa == NULL ||
3872 0 : data->rx_probe_req.ie == NULL)
3873 : break;
3874 : #ifdef CONFIG_AP
3875 0 : if (wpa_s->ap_iface) {
3876 0 : hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
3877 : data->rx_probe_req.sa,
3878 : data->rx_probe_req.da,
3879 : data->rx_probe_req.bssid,
3880 : data->rx_probe_req.ie,
3881 : data->rx_probe_req.ie_len,
3882 : data->rx_probe_req.ssi_signal);
3883 0 : break;
3884 : }
3885 : #endif /* CONFIG_AP */
3886 0 : wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
3887 : data->rx_probe_req.da,
3888 : data->rx_probe_req.bssid,
3889 : data->rx_probe_req.ie,
3890 : data->rx_probe_req.ie_len,
3891 : 0,
3892 : data->rx_probe_req.ssi_signal);
3893 0 : break;
3894 : case EVENT_REMAIN_ON_CHANNEL:
3895 : #ifdef CONFIG_OFFCHANNEL
3896 2035 : offchannel_remain_on_channel_cb(
3897 : wpa_s, data->remain_on_channel.freq,
3898 : data->remain_on_channel.duration);
3899 : #endif /* CONFIG_OFFCHANNEL */
3900 2035 : wpas_p2p_remain_on_channel_cb(
3901 : wpa_s, data->remain_on_channel.freq,
3902 : data->remain_on_channel.duration);
3903 2035 : break;
3904 : case EVENT_CANCEL_REMAIN_ON_CHANNEL:
3905 : #ifdef CONFIG_OFFCHANNEL
3906 1929 : offchannel_cancel_remain_on_channel_cb(
3907 : wpa_s, data->remain_on_channel.freq);
3908 : #endif /* CONFIG_OFFCHANNEL */
3909 1929 : wpas_p2p_cancel_remain_on_channel_cb(
3910 : wpa_s, data->remain_on_channel.freq);
3911 1929 : break;
3912 : case EVENT_EAPOL_RX:
3913 0 : wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
3914 : data->eapol_rx.data,
3915 : data->eapol_rx.data_len);
3916 0 : break;
3917 : case EVENT_SIGNAL_CHANGE:
3918 7 : wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
3919 : "above=%d signal=%d noise=%d txrate=%d",
3920 : data->signal_change.above_threshold,
3921 : data->signal_change.current_signal,
3922 : data->signal_change.current_noise,
3923 : data->signal_change.current_txrate);
3924 7 : wpa_bss_update_level(wpa_s->current_bss,
3925 : data->signal_change.current_signal);
3926 7 : bgscan_notify_signal_change(
3927 : wpa_s, data->signal_change.above_threshold,
3928 : data->signal_change.current_signal,
3929 : data->signal_change.current_noise,
3930 : data->signal_change.current_txrate);
3931 7 : break;
3932 : case EVENT_INTERFACE_ENABLED:
3933 29 : wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
3934 29 : if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3935 26 : wpa_supplicant_update_mac_addr(wpa_s);
3936 26 : if (wpa_s->p2p_mgmt) {
3937 2 : wpa_supplicant_set_state(wpa_s,
3938 : WPA_DISCONNECTED);
3939 2 : break;
3940 : }
3941 :
3942 : #ifdef CONFIG_AP
3943 24 : if (!wpa_s->ap_iface) {
3944 24 : wpa_supplicant_set_state(wpa_s,
3945 : WPA_DISCONNECTED);
3946 24 : wpa_s->scan_req = NORMAL_SCAN_REQ;
3947 24 : wpa_supplicant_req_scan(wpa_s, 0, 0);
3948 : } else
3949 0 : wpa_supplicant_set_state(wpa_s,
3950 : WPA_COMPLETED);
3951 : #else /* CONFIG_AP */
3952 : wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
3953 : wpa_supplicant_req_scan(wpa_s, 0, 0);
3954 : #endif /* CONFIG_AP */
3955 : }
3956 27 : break;
3957 : case EVENT_INTERFACE_DISABLED:
3958 72 : wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
3959 : #ifdef CONFIG_P2P
3960 143 : if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
3961 92 : (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
3962 3 : wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
3963 : /*
3964 : * Mark interface disabled if this happens to end up not
3965 : * being removed as a separate P2P group interface.
3966 : */
3967 1 : wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3968 : /*
3969 : * The interface was externally disabled. Remove
3970 : * it assuming an external entity will start a
3971 : * new session if needed.
3972 : */
3973 2 : if (wpa_s->current_ssid &&
3974 1 : wpa_s->current_ssid->p2p_group)
3975 1 : wpas_p2p_interface_unavailable(wpa_s);
3976 : else
3977 0 : wpas_p2p_disconnect(wpa_s);
3978 : /*
3979 : * wpa_s instance may have been freed, so must not use
3980 : * it here anymore.
3981 : */
3982 1 : break;
3983 : }
3984 73 : if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
3985 2 : p2p_in_progress(wpa_s->global->p2p) > 1) {
3986 : /* This radio work will be cancelled, so clear P2P
3987 : * state as well.
3988 : */
3989 2 : p2p_stop_find(wpa_s->global->p2p);
3990 : }
3991 : #endif /* CONFIG_P2P */
3992 :
3993 71 : if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
3994 : /*
3995 : * Indicate disconnection to keep ctrl_iface events
3996 : * consistent.
3997 : */
3998 18 : wpa_supplicant_event_disassoc(
3999 : wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4000 : }
4001 71 : wpa_supplicant_mark_disassoc(wpa_s);
4002 71 : wpa_bss_flush(wpa_s);
4003 71 : radio_remove_works(wpa_s, NULL, 0);
4004 :
4005 71 : wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4006 71 : break;
4007 : case EVENT_CHANNEL_LIST_CHANGED:
4008 14590 : wpa_supplicant_update_channel_list(
4009 : wpa_s, &data->channel_list_changed);
4010 14590 : break;
4011 : case EVENT_INTERFACE_UNAVAILABLE:
4012 5 : wpas_p2p_interface_unavailable(wpa_s);
4013 5 : break;
4014 : case EVENT_BEST_CHANNEL:
4015 0 : wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4016 : "(%d %d %d)",
4017 : data->best_chan.freq_24, data->best_chan.freq_5,
4018 : data->best_chan.freq_overall);
4019 0 : wpa_s->best_24_freq = data->best_chan.freq_24;
4020 0 : wpa_s->best_5_freq = data->best_chan.freq_5;
4021 0 : wpa_s->best_overall_freq = data->best_chan.freq_overall;
4022 0 : wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4023 : data->best_chan.freq_5,
4024 : data->best_chan.freq_overall);
4025 0 : break;
4026 : case EVENT_UNPROT_DEAUTH:
4027 21 : wpa_supplicant_event_unprot_deauth(wpa_s,
4028 : &data->unprot_deauth);
4029 21 : break;
4030 : case EVENT_UNPROT_DISASSOC:
4031 19 : wpa_supplicant_event_unprot_disassoc(wpa_s,
4032 : &data->unprot_disassoc);
4033 19 : break;
4034 : case EVENT_STATION_LOW_ACK:
4035 : #ifdef CONFIG_AP
4036 0 : if (wpa_s->ap_iface && data)
4037 0 : hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4038 0 : data->low_ack.addr);
4039 : #endif /* CONFIG_AP */
4040 : #ifdef CONFIG_TDLS
4041 0 : if (data)
4042 0 : wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4043 0 : data->low_ack.addr);
4044 : #endif /* CONFIG_TDLS */
4045 0 : break;
4046 : case EVENT_IBSS_PEER_LOST:
4047 : #ifdef CONFIG_IBSS_RSN
4048 2 : ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4049 : #endif /* CONFIG_IBSS_RSN */
4050 2 : break;
4051 : case EVENT_DRIVER_GTK_REKEY:
4052 0 : if (os_memcmp(data->driver_gtk_rekey.bssid,
4053 : wpa_s->bssid, ETH_ALEN))
4054 0 : break;
4055 0 : if (!wpa_s->wpa)
4056 0 : break;
4057 0 : wpa_sm_update_replay_ctr(wpa_s->wpa,
4058 : data->driver_gtk_rekey.replay_ctr);
4059 0 : break;
4060 : case EVENT_SCHED_SCAN_STOPPED:
4061 0 : wpa_s->sched_scanning = 0;
4062 0 : resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
4063 0 : wpa_supplicant_notify_scanning(wpa_s, 0);
4064 :
4065 0 : if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4066 0 : break;
4067 :
4068 : /*
4069 : * If the driver stopped scanning without being requested to,
4070 : * request a new scan to continue scanning for networks.
4071 : */
4072 0 : if (!wpa_s->sched_scan_stop_req &&
4073 0 : wpa_s->wpa_state == WPA_SCANNING) {
4074 0 : wpa_dbg(wpa_s, MSG_DEBUG,
4075 : "Restart scanning after unexpected sched_scan stop event");
4076 0 : wpa_supplicant_req_scan(wpa_s, 1, 0);
4077 0 : break;
4078 : }
4079 :
4080 0 : wpa_s->sched_scan_stop_req = 0;
4081 :
4082 : /*
4083 : * Start a new sched scan to continue searching for more SSIDs
4084 : * either if timed out or PNO schedule scan is pending.
4085 : */
4086 0 : if (wpa_s->sched_scan_timed_out) {
4087 0 : wpa_supplicant_req_sched_scan(wpa_s);
4088 0 : } else if (wpa_s->pno_sched_pending) {
4089 0 : wpa_s->pno_sched_pending = 0;
4090 0 : wpas_start_pno(wpa_s);
4091 0 : } else if (resched) {
4092 0 : wpa_supplicant_req_scan(wpa_s, 0, 0);
4093 : }
4094 :
4095 0 : break;
4096 : case EVENT_WPS_BUTTON_PUSHED:
4097 : #ifdef CONFIG_WPS
4098 0 : wpas_wps_start_pbc(wpa_s, NULL, 0);
4099 : #endif /* CONFIG_WPS */
4100 0 : break;
4101 : case EVENT_AVOID_FREQUENCIES:
4102 6 : wpa_supplicant_notify_avoid_freq(wpa_s, data);
4103 6 : break;
4104 : case EVENT_CONNECT_FAILED_REASON:
4105 : #ifdef CONFIG_AP
4106 0 : if (!wpa_s->ap_iface || !data)
4107 : break;
4108 0 : hostapd_event_connect_failed_reason(
4109 0 : wpa_s->ap_iface->bss[0],
4110 0 : data->connect_failed_reason.addr,
4111 0 : data->connect_failed_reason.code);
4112 : #endif /* CONFIG_AP */
4113 0 : break;
4114 : case EVENT_NEW_PEER_CANDIDATE:
4115 : #ifdef CONFIG_MESH
4116 150 : if (!wpa_s->ifmsh || !data)
4117 : break;
4118 150 : wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4119 : data->mesh_peer.ies,
4120 : data->mesh_peer.ie_len);
4121 : #endif /* CONFIG_MESH */
4122 150 : break;
4123 : case EVENT_SURVEY:
4124 : #ifdef CONFIG_AP
4125 5 : if (!wpa_s->ap_iface)
4126 0 : break;
4127 5 : hostapd_event_get_survey(wpa_s->ap_iface,
4128 : &data->survey_results);
4129 : #endif /* CONFIG_AP */
4130 5 : break;
4131 : case EVENT_ACS_CHANNEL_SELECTED:
4132 : #ifdef CONFIG_ACS
4133 0 : if (!wpa_s->ap_iface)
4134 0 : break;
4135 0 : hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4136 : &data->acs_selected_channels);
4137 : #endif /* CONFIG_ACS */
4138 0 : break;
4139 : case EVENT_P2P_LO_STOP:
4140 : #ifdef CONFIG_P2P
4141 0 : wpa_s->p2p_lo_started = 0;
4142 0 : wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4143 : P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4144 0 : data->p2p_lo_stop.reason_code);
4145 : #endif /* CONFIG_P2P */
4146 0 : break;
4147 : default:
4148 0 : wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
4149 0 : break;
4150 : }
4151 : }
4152 :
4153 :
4154 144171 : void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4155 : union wpa_event_data *data)
4156 : {
4157 : struct wpa_supplicant *wpa_s;
4158 :
4159 144171 : if (event != EVENT_INTERFACE_STATUS)
4160 0 : return;
4161 :
4162 144171 : wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4163 144171 : if (wpa_s && wpa_s->driver->get_ifindex) {
4164 : unsigned int ifindex;
4165 :
4166 1 : ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4167 1 : if (ifindex != data->interface_status.ifindex) {
4168 1 : wpa_dbg(wpa_s, MSG_DEBUG,
4169 : "interface status ifindex %d mismatch (%d)",
4170 : ifindex, data->interface_status.ifindex);
4171 1 : return;
4172 : }
4173 : }
4174 : #ifdef CONFIG_MATCH_IFACE
4175 : else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4176 : struct wpa_interface *wpa_i;
4177 :
4178 : wpa_i = wpa_supplicant_match_iface(
4179 : ctx, data->interface_status.ifname);
4180 : if (!wpa_i)
4181 : return;
4182 : wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
4183 : os_free(wpa_i);
4184 : if (wpa_s)
4185 : wpa_s->matched = 1;
4186 : }
4187 : #endif /* CONFIG_MATCH_IFACE */
4188 :
4189 144170 : if (wpa_s)
4190 164 : wpa_supplicant_event(wpa_s, event, data);
4191 : }
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