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hostapd: Add a config option to control beaconing
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
3d9975d5 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "eapol_supp/eapol_supp_sm.h"
3acb5005 13#include "rsn_supp/wpa.h"
6fc6879b 14#include "eloop.h"
6fc6879b
JM		 15#include "config.h"
16#include "l2_packet/l2_packet.h"
17#include "wpa_supplicant_i.h"
2d5b792d 18#include "driver_i.h"
6fc6879b 19#include "pcsc_funcs.h"
3acb5005
JM		 20#include "rsn_supp/preauth.h"
21#include "rsn_supp/pmksa_cache.h"
90973fb2 22#include "common/wpa_ctrl.h"
6fc6879b 23#include "eap_peer/eap.h"
1d041bec 24#include "ap/hostapd.h"
93b7ddd0 25#include "p2p/p2p.h"
75cad1a0 26#include "wnm_sta.h"
8bac466b 27#include "notify.h"
90973fb2 28#include "common/ieee802_11_defs.h"
54f489be 29#include "common/ieee802_11_common.h"
bbb921da 30#include "crypto/random.h"
6fc6879b
JM		 31#include "blacklist.h"
32#include "wpas_glue.h"
351f09a2 33#include "wps_supplicant.h"
11ef8d35 34#include "ibss_rsn.h"
c2a04078 35#include "sme.h"
04ea7b79 36#include "gas_query.h"
9bae1be0 37#include "p2p_supplicant.h"
60b94c98 38#include "bgscan.h"
7c865c68 39#include "autoscan.h"
f8b1f695 40#include "ap.h"
6fa81a3b 41#include "bss.h"
9ba9fa07 42#include "scan.h"
24f6497c 43#include "offchannel.h"
4d5bda5f 44#include "interworking.h"
6fc6879b
JM		 45
46
5d5c4ee5 47#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d
JM		 48static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
49 int new_scan);
5d5c4ee5 50#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 51
52
00e5e3d5
JM		 53static int wpas_temp_disabled(struct wpa_supplicant *wpa_s,
54 struct wpa_ssid *ssid)
55{
56 struct os_time now;
57
58 if (ssid == NULL || ssid->disabled_until.sec == 0)
59 return 0;
60
61 os_get_time(&now);
62 if (ssid->disabled_until.sec > now.sec)
63 return ssid->disabled_until.sec - now.sec;
64
65 wpas_clear_temp_disabled(wpa_s, ssid, 0);
66
67 return 0;
68}
69
70
6fc6879b
JM		 71static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
72{
8bac466b 73 struct wpa_ssid *ssid, *old_ssid;
00e5e3d5 74 int res;
6fc6879b
JM		 75
76 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
77 return 0;
78
f049052b
BG		 79 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
80 "information");
6fc6879b
JM		 81 ssid = wpa_supplicant_get_ssid(wpa_s);
82 if (ssid == NULL) {
f049052b
BG		 83 wpa_msg(wpa_s, MSG_INFO,
84 "No network configuration found for the current AP");
6fc6879b
JM		 85 return -1;
86 }
87
349493bd 88 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 89 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 90 return -1;
91 }
92
6407f413
JM		 93 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
94 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
95 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
96 return -1;
97 }
98
00e5e3d5
JM		 99 res = wpas_temp_disabled(wpa_s, ssid);
100 if (res > 0) {
101 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
102 "disabled for %d second(s)", res);
103 return -1;
104 }
105
f049052b
BG		 106 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
107 "current AP");
0bf927a0 108 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 109 u8 wpa_ie[80];
110 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 111 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
112 wpa_ie, &wpa_ie_len) < 0)
113 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 114 } else {
115 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
116 }
117
118 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
119 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 120 old_ssid = wpa_s->current_ssid;
6fc6879b
JM		 121 wpa_s->current_ssid = ssid;
122 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
123 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 124 if (old_ssid != wpa_s->current_ssid)
125 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 126
127 return 0;
128}
129
130
01a17491 131void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 132{
133 struct wpa_supplicant *wpa_s = eloop_ctx;
134
135 if (wpa_s->countermeasures) {
136 wpa_s->countermeasures = 0;
137 wpa_drv_set_countermeasures(wpa_s, 0);
138 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
139 wpa_supplicant_req_scan(wpa_s, 0, 0);
140 }
141}
142
143
144void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
145{
8bac466b
JM		 146 int bssid_changed;
147
b6668734
JM		 148 wnm_bss_keep_alive_deinit(wpa_s);
149
78177a00
JM		 150#ifdef CONFIG_IBSS_RSN
151 ibss_rsn_deinit(wpa_s->ibss_rsn);
152 wpa_s->ibss_rsn = NULL;
153#endif /* CONFIG_IBSS_RSN */
154
ca62e114
JM		 155#ifdef CONFIG_AP
156 wpa_supplicant_ap_deinit(wpa_s);
157#endif /* CONFIG_AP */
158
8401a6b0
JM		 159 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
160 return;
161
6fc6879b 162 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 163 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 164 os_memset(wpa_s->bssid, 0, ETH_ALEN);
165 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
a0227929
JM		 166#ifdef CONFIG_SME
167 wpa_s->sme.prev_bssid_set = 0;
168#endif /* CONFIG_SME */
b1aebbc4
JM		 169#ifdef CONFIG_P2P
170 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
171#endif /* CONFIG_P2P */
be8be671 172 wpa_s->current_bss = NULL;
3c85f144 173 wpa_s->assoc_freq = 0;
8fd0f0f3
HW		 174#ifdef CONFIG_IEEE80211R
175#ifdef CONFIG_SME
176 if (wpa_s->sme.ft_ies)
177 sme_update_ft_ies(wpa_s, NULL, NULL, 0);
178#endif /* CONFIG_SME */
179#endif /* CONFIG_IEEE80211R */
180
8bac466b
JM		 181 if (bssid_changed)
182 wpas_notify_bssid_changed(wpa_s);
183
6fc6879b
JM		 184 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
185 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
56586197 186 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
6fc6879b
JM		 187 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
188 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24
JM		 189 wpa_s->current_ssid = NULL;
190 wpa_s->key_mgmt = 0;
6fc6879b
JM		 191}
192
193
194static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
195{
196 struct wpa_ie_data ie;
197 int pmksa_set = -1;
198 size_t i;
199
200 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
201 ie.pmkid == NULL)
202 return;
203
204 for (i = 0; i < ie.num_pmkid; i++) {
205 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
206 ie.pmkid + i * PMKID_LEN,
207 NULL, NULL, 0);
208 if (pmksa_set == 0) {
209 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
210 break;
211 }
212 }
213
f049052b
BG		 214 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
215 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 216}
217
218
219static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
220 union wpa_event_data *data)
221{
222 if (data == NULL) {
f049052b
BG		 223 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
224 "event");
6fc6879b
JM		 225 return;
226 }
f049052b
BG		 227 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
228 " index=%d preauth=%d",
229 MAC2STR(data->pmkid_candidate.bssid),
230 data->pmkid_candidate.index,
231 data->pmkid_candidate.preauth);
6fc6879b
JM		 232
233 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
234 data->pmkid_candidate.index,
235 data->pmkid_candidate.preauth);
236}
237
238
239static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
240{
241 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
242 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
243 return 0;
244
245#ifdef IEEE8021X_EAPOL
246 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
247 wpa_s->current_ssid &&
248 !(wpa_s->current_ssid->eapol_flags &
249 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
250 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
251 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
252 * plaintext or static WEP keys). */
253 return 0;
254 }
255#endif /* IEEE8021X_EAPOL */
256
257 return 1;
258}
259
260
261/**
262 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
263 * @wpa_s: pointer to wpa_supplicant data
264 * @ssid: Configuration data for the network
265 * Returns: 0 on success, -1 on failure
266 *
267 * This function is called when starting authentication with a network that is
268 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
269 */
270int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
271 struct wpa_ssid *ssid)
272{
273#ifdef IEEE8021X_EAPOL
b832d34c 274#ifdef PCSC_FUNCS
6fc6879b
JM		 275 int aka = 0, sim = 0, type;
276
277 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
278 return 0;
279
280 if (ssid->eap.eap_methods == NULL) {
281 sim = 1;
282 aka = 1;
283 } else {
284 struct eap_method_type *eap = ssid->eap.eap_methods;
285 while (eap->vendor != EAP_VENDOR_IETF ||
286 eap->method != EAP_TYPE_NONE) {
287 if (eap->vendor == EAP_VENDOR_IETF) {
288 if (eap->method == EAP_TYPE_SIM)
289 sim = 1;
3d332fe7
JM		 290 else if (eap->method == EAP_TYPE_AKA ||
291 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 292 aka = 1;
293 }
294 eap++;
295 }
296 }
297
298 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
299 sim = 0;
3d332fe7
JM		 300 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
301 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
302 NULL)
6fc6879b
JM		 303 aka = 0;
304
305 if (!sim && !aka) {
f049052b
BG		 306 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
307 "use SIM, but neither EAP-SIM nor EAP-AKA are "
308 "enabled");
6fc6879b
JM		 309 return 0;
310 }
311
f049052b
BG		 312 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
313 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
6fc6879b
JM		 314 if (sim && aka)
315 type = SCARD_TRY_BOTH;
316 else if (aka)
317 type = SCARD_USIM_ONLY;
318 else
319 type = SCARD_GSM_SIM_ONLY;
320
f64adcd7 321 wpa_s->scard = scard_init(type, NULL);
6fc6879b 322 if (wpa_s->scard == NULL) {
f049052b
BG		 323 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
324 "(pcsc-lite)");
6fc6879b
JM		 325 return -1;
326 }
327 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
328 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 329#endif /* PCSC_FUNCS */
6fc6879b
JM		 330#endif /* IEEE8021X_EAPOL */
331
332 return 0;
333}
334
335
336#ifndef CONFIG_NO_SCAN_PROCESSING
620c7837 337static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 338 struct wpa_ssid *ssid)
339{
340 int i, privacy = 0;
341
342 if (ssid->mixed_cell)
343 return 1;
344
0632542b
AT		 345#ifdef CONFIG_WPS
346 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
347 return 1;
348#endif /* CONFIG_WPS */
349
6fc6879b
JM		 350 for (i = 0; i < NUM_WEP_KEYS; i++) {
351 if (ssid->wep_key_len[i]) {
352 privacy = 1;
353 break;
354 }
355 }
356#ifdef IEEE8021X_EAPOL
357 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
358 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
359 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
360 privacy = 1;
361#endif /* IEEE8021X_EAPOL */
362
29fbc522
JM		 363 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
364 privacy = 1;
365
6fc6879b
JM		 366 if (bss->caps & IEEE80211_CAP_PRIVACY)
367 return privacy;
368 return !privacy;
369}
370
371
a6099152
JM		 372static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
373 struct wpa_ssid *ssid,
620c7837 374 struct wpa_bss *bss)
6fc6879b
JM		 375{
376 struct wpa_ie_data ie;
377 int proto_match = 0;
378 const u8 *rsn_ie, *wpa_ie;
351f09a2 379 int ret;
43882f1e 380 int wep_ok;
6fc6879b 381
a6099152 382 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 383 if (ret >= 0)
384 return ret;
ad08c363 385
43882f1e
JM		 386 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
387 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
388 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
389 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
390 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
391
620c7837 392 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6fc6879b
JM		 393 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
394 proto_match++;
395
396 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
f049052b
BG		 397 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
398 "failed");
6fc6879b
JM		 399 break;
400 }
43882f1e
JM		 401
402 if (wep_ok &&
403 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
404 {
f049052b
BG		 405 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
406 "in RSN IE");
43882f1e
JM		 407 return 1;
408 }
409
6fc6879b 410 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 411 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
412 "mismatch");
6fc6879b
JM		 413 break;
414 }
415
416 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 417 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
418 "cipher mismatch");
6fc6879b
JM		 419 break;
420 }
421
422 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 423 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
424 "cipher mismatch");
6fc6879b
JM		 425 break;
426 }
427
428 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 429 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
430 "mismatch");
6fc6879b
JM		 431 break;
432 }
433
434#ifdef CONFIG_IEEE80211W
0b60b0aa 435 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
62d49803
JM		 436 (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
437 wpa_s->conf->pmf : ssid->ieee80211w) ==
438 MGMT_FRAME_PROTECTION_REQUIRED) {
f049052b
BG		 439 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
440 "frame protection");
6fc6879b
JM		 441 break;
442 }
443#endif /* CONFIG_IEEE80211W */
444
f049052b 445 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
6fc6879b
JM		 446 return 1;
447 }
448
620c7837 449 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 450 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
451 proto_match++;
452
453 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
f049052b
BG		 454 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
455 "failed");
6fc6879b
JM		 456 break;
457 }
43882f1e
JM		 458
459 if (wep_ok &&
460 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
461 {
f049052b
BG		 462 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
463 "in WPA IE");
43882f1e
JM		 464 return 1;
465 }
466
6fc6879b 467 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 468 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
469 "mismatch");
6fc6879b
JM		 470 break;
471 }
472
473 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 474 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
475 "cipher mismatch");
6fc6879b
JM		 476 break;
477 }
478
479 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 480 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
481 "cipher mismatch");
6fc6879b
JM		 482 break;
483 }
484
485 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 486 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
487 "mismatch");
6fc6879b
JM		 488 break;
489 }
490
f049052b 491 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
6fc6879b
JM		 492 return 1;
493 }
494
a3f7e518
JM		 495 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
496 !rsn_ie) {
497 wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
498 return 1;
499 }
500
cc5e390d 501 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 502 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
f049052b 503 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
cc5e390d
JM		 504 return 0;
505 }
6fc6879b 506
c2f1fe41
JM		 507 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
508 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
509 return 1;
510 }
511
512 wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
513 "WPA/WPA2");
514
515 return 0;
6fc6879b
JM		 516}
517
518
b766a9a2
JM		 519static int freq_allowed(int *freqs, int freq)
520{
521 int i;
522
523 if (freqs == NULL)
524 return 1;
525
526 for (i = 0; freqs[i]; i++)
527 if (freqs[i] == freq)
528 return 1;
529 return 0;
530}
531
532
e1e8cae3
CL		 533static int ht_supported(const struct hostapd_hw_modes *mode)
534{
535 if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
536 /*
537 * The driver did not indicate whether it supports HT. Assume
538 * it does to avoid connection issues.
539 */
540 return 1;
541 }
542
543 /*
544 * IEEE Std 802.11n-2009 20.1.1:
545 * An HT non-AP STA shall support all EQM rates for one spatial stream.
546 */
547 return mode->mcs_set[0] == 0xff;
548}
549
550
620c7837 551static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
e1e8cae3
CL		 552{
553 const struct hostapd_hw_modes *mode = NULL, *modes;
554 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
555 const u8 *rate_ie;
556 int i, j, k;
557
a6d94e1b
JM		 558 if (bss->freq == 0)
559 return 1; /* Cannot do matching without knowing band */
560
e1e8cae3
CL		 561 modes = wpa_s->hw.modes;
562 if (modes == NULL) {
563 /*
564 * The driver does not provide any additional information
565 * about the utilized hardware, so allow the connection attempt
566 * to continue.
567 */
568 return 1;
569 }
570
571 for (i = 0; i < wpa_s->hw.num_modes; i++) {
572 for (j = 0; j < modes[i].num_channels; j++) {
573 int freq = modes[i].channels[j].freq;
574 if (freq == bss->freq) {
575 if (mode &&
576 mode->mode == HOSTAPD_MODE_IEEE80211G)
577 break; /* do not allow 802.11b replace
578 * 802.11g */
579 mode = &modes[i];
580 break;
581 }
582 }
583 }
584
585 if (mode == NULL)
586 return 0;
587
588 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 589 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 590 if (rate_ie == NULL)
591 continue;
592
593 for (j = 2; j < rate_ie[1] + 2; j++) {
594 int flagged = !!(rate_ie[j] & 0x80);
595 int r = (rate_ie[j] & 0x7f) * 5;
596
597 /*
598 * IEEE Std 802.11n-2009 7.3.2.2:
599 * The new BSS Membership selector value is encoded
600 * like a legacy basic rate, but it is not a rate and
601 * only indicates if the BSS members are required to
602 * support the mandatory features of Clause 20 [HT PHY]
603 * in order to join the BSS.
604 */
605 if (flagged && ((rate_ie[j] & 0x7f) ==
606 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
607 if (!ht_supported(mode)) {
608 wpa_dbg(wpa_s, MSG_DEBUG,
609 " hardware does not support "
610 "HT PHY");
611 return 0;
612 }
613 continue;
614 }
615
616 if (!flagged)
617 continue;
618
619 /* check for legacy basic rates */
620 for (k = 0; k < mode->num_rates; k++) {
621 if (mode->rates[k] == r)
622 break;
623 }
624 if (k == mode->num_rates) {
625 /*
626 * IEEE Std 802.11-2007 7.3.2.2 demands that in
627 * order to join a BSS all required rates
628 * have to be supported by the hardware.
629 */
630 wpa_dbg(wpa_s, MSG_DEBUG, " hardware does "
631 "not support required rate %d.%d Mbps",
632 r / 10, r % 10);
633 return 0;
634 }
635 }
636 }
637
638 return 1;
639}
640
641
ff3ad3c5
VK		 642static int bss_is_dmg(struct wpa_bss *bss)
643{
644 return bss->freq > 45000;
645}
646
647
648/*
649 * Test whether BSS is in an ESS.
650 * This is done differently in DMG (60 GHz) and non-DMG bands
651 */
652static int bss_is_ess(struct wpa_bss *bss)
653{
654 if (bss_is_dmg(bss)) {
655 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
656 IEEE80211_CAP_DMG_AP;
657 }
658
659 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
660 IEEE80211_CAP_ESS);
661}
662
663
d8d940b7 664static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
620c7837 665 int i, struct wpa_bss *bss,
d8d940b7 666 struct wpa_ssid *group)
6fc6879b 667{
620c7837 668 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 669 int wpa;
6fc6879b
JM		 670 struct wpa_blacklist *e;
671 const u8 *ie;
d8d940b7 672 struct wpa_ssid *ssid;
6fc6879b 673
620c7837 674 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 675 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 676
620c7837 677 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 678 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 679
f049052b
BG		 680 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
681 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s",
620c7837 682 i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
f049052b 683 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
620c7837 684 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "");
9cf32261 685
d8d940b7 686 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 687 if (e) {
688 int limit = 1;
349493bd 689 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 690 /*
691 * When only a single network is enabled, we can
692 * trigger blacklisting on the first failure. This
693 * should not be done with multiple enabled networks to
694 * avoid getting forced to move into a worse ESS on
695 * single error if there are no other BSSes of the
696 * current ESS.
697 */
698 limit = 0;
699 }
700 if (e->count > limit) {
f049052b
BG		 701 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
702 "(count=%d limit=%d)", e->count, limit);
c2197bc9 703 return NULL;
5471c343 704 }
d8d940b7 705 }
6fc6879b 706
620c7837 707 if (bss->ssid_len == 0) {
f049052b 708 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 709 return NULL;
d8d940b7 710 }
e81634cd 711
6407f413
JM		 712 if (disallowed_bssid(wpa_s, bss->bssid)) {
713 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
714 return NULL;
715 }
716
717 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
718 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
719 return NULL;
720 }
721
d8d940b7 722 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 723
d8d940b7
JM		 724 for (ssid = group; ssid; ssid = ssid->pnext) {
725 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 726 int res;
ad08c363 727
349493bd 728 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 729 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 730 continue;
d8d940b7 731 }
9cf32261 732
00e5e3d5
JM		 733 res = wpas_temp_disabled(wpa_s, ssid);
734 if (res > 0) {
735 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
736 "temporarily for %d second(s)", res);
737 continue;
738 }
739
ad08c363 740#ifdef CONFIG_WPS
f648bc7d 741 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
f049052b
BG		 742 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
743 "(WPS)");
f648bc7d
JM		 744 continue;
745 }
746
d8d940b7
JM		 747 if (wpa && ssid->ssid_len == 0 &&
748 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
749 check_ssid = 0;
750
751 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
752 /* Only allow wildcard SSID match if an AP
753 * advertises active WPS operation that matches
754 * with our mode. */
755 check_ssid = 1;
ad08c363 756 if (ssid->ssid_len == 0 &&
a6099152 757 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 758 check_ssid = 0;
d8d940b7 759 }
ad08c363
JM		 760#endif /* CONFIG_WPS */
761
7d232e23
ZC		 762 if (ssid->bssid_set && ssid->ssid_len == 0 &&
763 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
764 check_ssid = 0;
765
d8d940b7 766 if (check_ssid &&
620c7837
JM		 767 (bss->ssid_len != ssid->ssid_len ||
768 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
f049052b 769 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
0c703df3 770 continue;
6fc6879b 771 }
6fc6879b 772
d8d940b7
JM		 773 if (ssid->bssid_set &&
774 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
f049052b 775 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
0c703df3 776 continue;
d8d940b7 777 }
6fc6879b 778
cc5e390d 779 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
0c703df3 780 continue;
9cf32261 781
d8d940b7
JM		 782 if (!wpa &&
783 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
784 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
785 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
f049052b
BG		 786 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
787 "not allowed");
0c703df3 788 continue;
6fc6879b 789 }
9cf32261 790
29fbc522 791 if (!wpa_supplicant_match_privacy(bss, ssid)) {
f049052b
BG		 792 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
793 "mismatch");
0c703df3 794 continue;
e81634cd
JM		 795 }
796
ff3ad3c5
VK		 797 if (!bss_is_ess(bss)) {
798 wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
0c703df3 799 continue;
d8d940b7 800 }
b766a9a2 801
d8d940b7 802 if (!freq_allowed(ssid->freq_list, bss->freq)) {
f049052b
BG		 803 wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
804 "allowed");
0c703df3 805 continue;
6fc6879b 806 }
d8d940b7 807
e1e8cae3
CL		 808 if (!rate_match(wpa_s, bss)) {
809 wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
810 "not match");
811 continue;
812 }
813
73e49269
JM		 814#ifdef CONFIG_P2P
815 /*
816 * TODO: skip the AP if its P2P IE has Group Formation
817 * bit set in the P2P Group Capability Bitmap and we
818 * are not in Group Formation with that device.
819 */
820#endif /* CONFIG_P2P */
821
d8d940b7
JM		 822 /* Matching configuration found */
823 return ssid;
6fc6879b
JM		 824 }
825
d8d940b7 826 /* No matching configuration found */
c2197bc9 827 return NULL;
9cf32261
JM		 828}
829
830
6fa81a3b 831static struct wpa_bss *
a1fd2ce5 832wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 833 struct wpa_ssid *group,
9cf32261
JM		 834 struct wpa_ssid **selected_ssid)
835{
620c7837 836 unsigned int i;
9cf32261 837
f049052b
BG		 838 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
839 group->priority);
9cf32261 840
620c7837
JM		 841 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
842 struct wpa_bss *bss = wpa_s->last_scan_res[i];
d8d940b7
JM		 843 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group);
844 if (!*selected_ssid)
845 continue;
f049052b
BG		 846 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
847 " ssid='%s'",
620c7837
JM		 848 MAC2STR(bss->bssid),
849 wpa_ssid_txt(bss->ssid, bss->ssid_len));
850 return bss;
d8d940b7
JM		 851 }
852
853 return NULL;
6fc6879b
JM		 854}
855
856
97236cee
MH		 857struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
858 struct wpa_ssid **selected_ssid)
6fc6879b 859{
6fa81a3b 860 struct wpa_bss *selected = NULL;
09b9df4e
JM		 861 int prio;
862
620c7837
JM		 863 if (wpa_s->last_scan_res == NULL ||
864 wpa_s->last_scan_res_used == 0)
865 return NULL; /* no scan results from last update */
866
09b9df4e
JM		 867 while (selected == NULL) {
868 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
869 selected = wpa_supplicant_select_bss(
620c7837 870 wpa_s, wpa_s->conf->pssid[prio],
09b9df4e
JM		 871 selected_ssid);
872 if (selected)
873 break;
874 }
875
8945cc45
BM		 876 if (selected == NULL && wpa_s->blacklist &&
877 !wpa_s->countermeasures) {
f049052b
BG		 878 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
879 "blacklist and try again");
09b9df4e
JM		 880 wpa_blacklist_clear(wpa_s);
881 wpa_s->blacklist_cleared++;
882 } else if (selected == NULL)
883 break;
884 }
885
886 return selected;
887}
888
889
890static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 891 int timeout_sec, int timeout_usec)
09b9df4e 892{
349493bd 893 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 894 /*
895 * No networks are enabled; short-circuit request so
896 * we don't wait timeout seconds before transitioning
897 * to INACTIVE state.
898 */
ac06fb12
JM		 899 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
900 "since there are no enabled networks");
4f34d51a 901 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
4c490780
JM		 902#ifdef CONFIG_P2P
903 wpa_s->sta_scan_pending = 0;
904#endif /* CONFIG_P2P */
4f34d51a 905 return;
09b9df4e 906 }
5cc70322
JM		 907
908 wpa_s->scan_for_connection = 1;
977b1174 909 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 910}
911
912
5cbd88d9
JJ		 913int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
914 struct wpa_bss *selected,
915 struct wpa_ssid *ssid)
09b9df4e
JM		 916{
917 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
918 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
919 "PBC session overlap");
b73bf0a7
JM		 920#ifdef CONFIG_P2P
921 if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
5cbd88d9 922 return -1;
b73bf0a7 923#endif /* CONFIG_P2P */
199716ad
BG		 924
925#ifdef CONFIG_WPS
7736f18b 926 wpas_wps_cancel(wpa_s);
199716ad 927#endif /* CONFIG_WPS */
5cbd88d9 928 return -1;
09b9df4e
JM		 929 }
930
b0680017
JM		 931 wpa_msg(wpa_s, MSG_DEBUG,
932 "Considering connect request: reassociate: %d selected: "
933 MACSTR " bssid: " MACSTR " pending: " MACSTR
934 " wpa_state: %s ssid=%p current_ssid=%p",
935 wpa_s->reassociate, MAC2STR(selected->bssid),
936 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
937 wpa_supplicant_state_txt(wpa_s->wpa_state),
938 ssid, wpa_s->current_ssid);
939
09b9df4e
JM		 940 /*
941 * Do not trigger new association unless the BSSID has changed or if
942 * reassociation is requested. If we are in process of associating with
943 * the selected BSSID, do not trigger new attempt.
944 */
945 if (wpa_s->reassociate ||
946 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 947 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
948 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 949 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
950 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
951 0) ||
952 (is_zero_ether_addr(wpa_s->pending_bssid) &&
953 ssid != wpa_s->current_ssid)))) {
09b9df4e 954 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 955 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 956 return 0;
09b9df4e 957 }
b0680017
JM		 958 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
959 MAC2STR(selected->bssid));
09b9df4e
JM		 960 wpa_supplicant_associate(wpa_s, selected, ssid);
961 } else {
b0680017
JM		 962 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
963 "connect with the selected AP");
09b9df4e 964 }
5cbd88d9
JJ		 965
966 return 0;
09b9df4e
JM		 967}
968
969
b55aaa5f
JM		 970static struct wpa_ssid *
971wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
972{
973 int prio;
974 struct wpa_ssid *ssid;
975
976 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
977 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
978 {
349493bd 979 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f
JM		 980 continue;
981 if (ssid->mode == IEEE80211_MODE_IBSS ||
982 ssid->mode == IEEE80211_MODE_AP)
983 return ssid;
984 }
985 }
986 return NULL;
987}
988
989
a1fd2ce5
JM		 990/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
991 * on BSS added and BSS changed events */
6ae93185 992static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 993 struct wpa_supplicant *wpa_s)
6ae93185 994{
6d28fb96 995 struct wpa_bss *bss;
6ae93185
JM		 996
997 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
998 return;
999
6d28fb96 1000 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1001 const u8 *ssid, *rsn;
6ae93185 1002
6d28fb96 1003 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1004 if (ssid == NULL)
1005 continue;
1006
6d28fb96 1007 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1008 if (rsn == NULL)
1009 continue;
1010
6d28fb96 1011 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1012 }
1013
1014}
1015
1016
48563d86
JM		 1017static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1018 struct wpa_bss *selected,
20ed5e40 1019 struct wpa_ssid *ssid)
48563d86 1020{
20ed5e40 1021 struct wpa_bss *current_bss = NULL;
48563d86
JM		 1022 int min_diff;
1023
1024 if (wpa_s->reassociate)
1025 return 1; /* explicit request to reassociate */
1026 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1027 return 1; /* we are not associated; continue */
1028 if (wpa_s->current_ssid == NULL)
1029 return 1; /* unknown current SSID */
1030 if (wpa_s->current_ssid != ssid)
1031 return 1; /* different network block */
1032
22628eca
JM		 1033 if (wpas_driver_bss_selection(wpa_s))
1034 return 0; /* Driver-based roaming */
1035
20ed5e40
JM		 1036 if (wpa_s->current_ssid->ssid)
1037 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1038 wpa_s->current_ssid->ssid,
1039 wpa_s->current_ssid->ssid_len);
1040 if (!current_bss)
1041 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1042
1043 if (!current_bss)
1044 return 1; /* current BSS not seen in scan results */
1045
20ed5e40
JM		 1046 if (current_bss == selected)
1047 return 0;
1048
1049 if (selected->last_update_idx > current_bss->last_update_idx)
1050 return 1; /* current BSS not seen in the last scan */
1051
e9af53ad 1052#ifndef CONFIG_NO_ROAMING
f049052b
BG		 1053 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1054 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
1055 MAC2STR(current_bss->bssid), current_bss->level);
1056 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
1057 MAC2STR(selected->bssid), selected->level);
48563d86 1058
ac26ebd8
JM		 1059 if (wpa_s->current_ssid->bssid_set &&
1060 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1061 0) {
f049052b
BG		 1062 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1063 "has preferred BSSID");
ac26ebd8
JM		 1064 return 1;
1065 }
1066
bff954e9
RS		 1067 if (current_bss->level < 0 && current_bss->level > selected->level) {
1068 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1069 "signal level");
1070 return 0;
1071 }
1072
48563d86
JM		 1073 min_diff = 2;
1074 if (current_bss->level < 0) {
1075 if (current_bss->level < -85)
1076 min_diff = 1;
1077 else if (current_bss->level < -80)
1078 min_diff = 2;
1079 else if (current_bss->level < -75)
1080 min_diff = 3;
1081 else if (current_bss->level < -70)
1082 min_diff = 4;
1083 else
1084 min_diff = 5;
1085 }
1086 if (abs(current_bss->level - selected->level) < min_diff) {
f049052b
BG		 1087 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1088 "in signal level");
48563d86
JM		 1089 return 0;
1090 }
1091
1092 return 1;
e9af53ad
DS		 1093#else /* CONFIG_NO_ROAMING */
1094 return 0;
1095#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1096}
1097
cd2f4ddf 1098
0dd54313 1099/* Return != 0 if no scan results could be fetched or if scan results should not
10ac7ddf 1100 * be shared with other virtual interfaces. */
e1504976 1101static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50
JM		 1102 union wpa_event_data *data,
1103 int own_request)
09b9df4e 1104{
a1fd2ce5 1105 struct wpa_scan_results *scan_res;
5bc0cdb7 1106 int ap = 0;
7b1aa4fe
JM		 1107#ifndef CONFIG_NO_RANDOM_POOL
1108 size_t i, num;
1109#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1110
1111#ifdef CONFIG_AP
1112 if (wpa_s->ap_iface)
1113 ap = 1;
1114#endif /* CONFIG_AP */
6fc6879b 1115
cb8564b1
DW		 1116 wpa_supplicant_notify_scanning(wpa_s, 0);
1117
39185dfa 1118#ifdef CONFIG_P2P
cfd31b50 1119 if (own_request && wpa_s->global->p2p_cb_on_scan_complete &&
e665ca9a 1120 !wpa_s->global->p2p_disabled &&
4c490780
JM		 1121 wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending &&
1122 !wpa_s->scan_res_handler) {
e665ca9a 1123 wpa_s->global->p2p_cb_on_scan_complete = 0;
39185dfa
JM		 1124 if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
1125 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
1126 "stopped scan processing");
ab03f6da
JM		 1127 wpa_s->sta_scan_pending = 1;
1128 wpa_supplicant_req_scan(wpa_s, 5, 0);
39185dfa
JM		 1129 return -1;
1130 }
1131 }
99fcd404 1132 wpa_s->sta_scan_pending = 0;
39185dfa
JM		 1133#endif /* CONFIG_P2P */
1134
a1fd2ce5
JM		 1135 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1136 data ? &data->scan_info :
1137 NULL, 1);
1138 if (scan_res == NULL) {
66fe0f70
DS		 1139 if (wpa_s->conf->ap_scan == 2 || ap ||
1140 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1141 return -1;
cfd31b50
JM		 1142 if (!own_request)
1143 return -1;
f049052b
BG		 1144 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1145 "scanning again");
977b1174 1146 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
e1504976 1147 return -1;
6fc6879b
JM		 1148 }
1149
bbb921da 1150#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1151 num = scan_res->num;
1152 if (num > 10)
1153 num = 10;
1154 for (i = 0; i < num; i++) {
1155 u8 buf[5];
1156 struct wpa_scan_res *res = scan_res->res[i];
1157 buf[0] = res->bssid[5];
1158 buf[1] = res->qual & 0xff;
1159 buf[2] = res->noise & 0xff;
1160 buf[3] = res->level & 0xff;
1161 buf[4] = res->tsf & 0xff;
1162 random_add_randomness(buf, sizeof(buf));
1163 }
1164#endif /* CONFIG_NO_RANDOM_POOL */
1165
cfd31b50 1166 if (own_request && wpa_s->scan_res_handler) {
860fddbb
JB		 1167 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1168 struct wpa_scan_results *scan_res);
1169
1170 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1171 wpa_s->scan_res_handler = NULL;
860fddbb
JB		 1172 scan_res_handler(wpa_s, scan_res);
1173
64e58f51 1174 wpa_scan_results_free(scan_res);
10ac7ddf 1175 return -2;
64e58f51
JM		 1176 }
1177
5bc0cdb7 1178 if (ap) {
f049052b 1179 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1180#ifdef CONFIG_AP
1181 if (wpa_s->ap_iface->scan_cb)
1182 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1183#endif /* CONFIG_AP */
5bc0cdb7 1184 wpa_scan_results_free(scan_res);
e1504976 1185 return 0;
5bc0cdb7
JM		 1186 }
1187
f049052b 1188 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available");
24f76940
JM		 1189 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1190 wpas_notify_scan_results(wpa_s);
6fc6879b 1191
8bac466b
JM		 1192 wpas_notify_scan_done(wpa_s, 1);
1193
c3701c66
RM		 1194 if (sme_proc_obss_scan(wpa_s) > 0) {
1195 wpa_scan_results_free(scan_res);
1196 return 0;
1197 }
1198
a1fd2ce5
JM		 1199 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
1200 wpa_scan_results_free(scan_res);
e1504976 1201 return 0;
a1fd2ce5 1202 }
6fc6879b 1203
7c865c68
TB		 1204 if (autoscan_notify_scan(wpa_s, scan_res)) {
1205 wpa_scan_results_free(scan_res);
1206 return 0;
1207 }
1208
3180d7a2
SO		 1209 if (wpa_s->disconnected) {
1210 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
a1fd2ce5 1211 wpa_scan_results_free(scan_res);
e1504976 1212 return 0;
3180d7a2
SO		 1213 }
1214
22628eca
JM		 1215 if (!wpas_driver_bss_selection(wpa_s) &&
1216 bgscan_notify_scan(wpa_s, scan_res) == 1) {
a1fd2ce5 1217 wpa_scan_results_free(scan_res);
e1504976 1218 return 0;
a1fd2ce5
JM		 1219 }
1220
f9f0526b
JM		 1221 wpas_wps_update_ap_info(wpa_s, scan_res);
1222
20ed5e40
JM		 1223 wpa_scan_results_free(scan_res);
1224
06b7f58d 1225 return wpas_select_network_from_last_scan(wpa_s, 1);
a594e2a9
JM		 1226}
1227
1228
06b7f58d
JM		 1229static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1230 int new_scan)
a594e2a9
JM		 1231{
1232 struct wpa_bss *selected;
1233 struct wpa_ssid *ssid = NULL;
1234
620c7837
JM		 1235 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1236
6fc6879b 1237 if (selected) {
48563d86 1238 int skip;
20ed5e40 1239 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1240 if (skip) {
06b7f58d
JM		 1241 if (new_scan)
1242 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1243 return 0;
1bbff09e 1244 }
5cbd88d9
JJ		 1245
1246 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1247 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1248 return -1;
1249 }
06b7f58d
JM		 1250 if (new_scan)
1251 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313
JM		 1252 /*
1253 * Do not notify other virtual radios of scan results since we do not
1254 * want them to start other associations at the same time.
1255 */
1256 return 1;
6fc6879b 1257 } else {
f049052b 1258 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 1259 ssid = wpa_supplicant_pick_new_network(wpa_s);
1260 if (ssid) {
f049052b 1261 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 1262 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 1263 if (new_scan)
1264 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
977b1174 1265 } else {
67b9bd08 1266 int timeout_sec = wpa_s->scan_interval;
977b1174 1267 int timeout_usec = 0;
0817de90 1268#ifdef CONFIG_P2P
aa9bb764
JM		 1269 if (wpas_p2p_scan_no_go_seen(wpa_s) == 1)
1270 return 0;
1271
0817de90
JM		 1272 if (wpa_s->p2p_in_provisioning) {
1273 /*
1274 * Use shorter wait during P2P Provisioning
1275 * state to speed up group formation.
1276 */
1277 timeout_sec = 0;
1278 timeout_usec = 250000;
a4cba8f1
LC		 1279 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1280 timeout_usec);
1281 return 0;
0817de90
JM		 1282 }
1283#endif /* CONFIG_P2P */
4d5bda5f
JM		 1284#ifdef CONFIG_INTERWORKING
1285 if (wpa_s->conf->auto_interworking &&
1286 wpa_s->conf->interworking &&
1287 wpa_s->conf->cred) {
1288 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1289 "start ANQP fetch since no matching "
1290 "networks found");
1291 wpa_s->network_select = 1;
1292 wpa_s->auto_network_select = 1;
1293 interworking_start_fetch_anqp(wpa_s);
0dd54313 1294 return 1;
4d5bda5f
JM		 1295 }
1296#endif /* CONFIG_INTERWORKING */
a4cba8f1
LC		 1297 if (wpa_supplicant_req_sched_scan(wpa_s))
1298 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1299 timeout_usec);
977b1174 1300 }
6fc6879b 1301 }
e1504976 1302 return 0;
6fc6879b 1303}
6859f1cb
BG		 1304
1305
1306static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1307 union wpa_event_data *data)
1308{
1309 const char *rn, *rn2;
1310 struct wpa_supplicant *ifs;
1311
cfd31b50 1312 if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) {
e1504976
BG		 1313 /*
1314 * If no scan results could be fetched, then no need to
1315 * notify those interfaces that did not actually request
0dd54313
JM		 1316 * this scan. Similarly, if scan results started a new operation on this
1317 * interface, do not notify other interfaces to avoid concurrent
1318 * operations during a connection attempt.
e1504976
BG		 1319 */
1320 return;
1321 }
6859f1cb
BG		 1322
1323 /*
1324 * Check other interfaces to see if they have the same radio-name. If
1325 * so, they get updated with this same scan info.
1326 */
1327 if (!wpa_s->driver->get_radio_name)
1328 return;
1329
1330 rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv);
1331 if (rn == NULL || rn[0] == '\0')
1332 return;
1333
f049052b
BG		 1334 wpa_dbg(wpa_s, MSG_DEBUG, "Checking for other virtual interfaces "
1335 "sharing same radio (%s) in event_scan_results", rn);
6859f1cb
BG		 1336
1337 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
1338 if (ifs == wpa_s || !ifs->driver->get_radio_name)
1339 continue;
1340
1341 rn2 = ifs->driver->get_radio_name(ifs->drv_priv);
1342 if (rn2 && os_strcmp(rn, rn2) == 0) {
1343 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1344 "sibling", ifs->ifname);
cfd31b50 1345 _wpa_supplicant_event_scan_results(ifs, data, 0);
6859f1cb
BG		 1346 }
1347 }
1348}
1349
6fc6879b
JM		 1350#endif /* CONFIG_NO_SCAN_PROCESSING */
1351
1352
cecdddc1
PS		 1353int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1354{
1355#ifdef CONFIG_NO_SCAN_PROCESSING
1356 return -1;
1357#else /* CONFIG_NO_SCAN_PROCESSING */
1358 struct os_time now;
1359
1360 if (wpa_s->last_scan_res_used <= 0)
1361 return -1;
1362
1363 os_get_time(&now);
1364 if (now.sec - wpa_s->last_scan.sec > 5) {
1365 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1366 return -1;
1367 }
1368
06b7f58d 1369 return wpas_select_network_from_last_scan(wpa_s, 0);
cecdddc1
PS		 1370#endif /* CONFIG_NO_SCAN_PROCESSING */
1371}
1372
b6668734
JM		 1373#ifdef CONFIG_WNM
1374
1375static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1376{
1377 struct wpa_supplicant *wpa_s = eloop_ctx;
1378
1379 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1380 return;
1381
2ec535fd
JM		 1382 if (!wpa_s->no_keep_alive) {
1383 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1384 MAC2STR(wpa_s->bssid));
1385 /* TODO: could skip this if normal data traffic has been sent */
1386 /* TODO: Consider using some more appropriate data frame for
1387 * this */
1388 if (wpa_s->l2)
1389 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1390 (u8 *) "", 0);
1391 }
b6668734 1392
597c7a8d 1393#ifdef CONFIG_SME
b6668734
JM		 1394 if (wpa_s->sme.bss_max_idle_period) {
1395 unsigned int msec;
1396 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1397 if (msec > 100)
1398 msec -= 100;
1399 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1400 wnm_bss_keep_alive, wpa_s, NULL);
1401 }
597c7a8d 1402#endif /* CONFIG_SME */
b6668734
JM		 1403}
1404
1405
1406static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1407 const u8 *ies, size_t ies_len)
1408{
1409 struct ieee802_11_elems elems;
1410
1411 if (ies == NULL)
1412 return;
1413
1414 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1415 return;
1416
1417#ifdef CONFIG_SME
1418 if (elems.bss_max_idle_period) {
1419 unsigned int msec;
1420 wpa_s->sme.bss_max_idle_period =
1421 WPA_GET_LE16(elems.bss_max_idle_period);
1422 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1423 "TU)%s", wpa_s->sme.bss_max_idle_period,
1424 (elems.bss_max_idle_period[2] & 0x01) ?
1425 " (protected keep-live required)" : "");
1426 if (wpa_s->sme.bss_max_idle_period == 0)
1427 wpa_s->sme.bss_max_idle_period = 1;
1428 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1429 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1430 /* msec times 1000 */
1431 msec = wpa_s->sme.bss_max_idle_period * 1024;
1432 if (msec > 100)
1433 msec -= 100;
1434 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1435 wnm_bss_keep_alive, wpa_s,
1436 NULL);
1437 }
1438 }
1439#endif /* CONFIG_SME */
1440}
1441
1442#endif /* CONFIG_WNM */
1443
1444
1445void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1446{
1447#ifdef CONFIG_WNM
1448 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1449#endif /* CONFIG_WNM */
1450}
1451
1452
579ce771
JM		 1453static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1454 union wpa_event_data *data)
6fc6879b
JM		 1455{
1456 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 1457 const u8 *p;
b6714ca1 1458#ifdef CONFIG_IEEE80211R
6a1ce395 1459 u8 bssid[ETH_ALEN];
b6714ca1 1460#endif /* CONFIG_IEEE80211R */
6fc6879b 1461
f049052b 1462 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 1463 if (data->assoc_info.req_ies)
1464 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1465 data->assoc_info.req_ies_len);
52c9e6f3 1466 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 1467 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1468 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 1469#ifdef CONFIG_TDLS
1470 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1471 data->assoc_info.resp_ies_len);
1472#endif /* CONFIG_TDLS */
b6668734
JM		 1473#ifdef CONFIG_WNM
1474 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1475 data->assoc_info.resp_ies_len);
1476#endif /* CONFIG_WNM */
52c9e6f3 1477 }
6fc6879b
JM		 1478 if (data->assoc_info.beacon_ies)
1479 wpa_hexdump(MSG_DEBUG, "beacon_ies",
1480 data->assoc_info.beacon_ies,
1481 data->assoc_info.beacon_ies_len);
4832ecd7 1482 if (data->assoc_info.freq)
f049052b
BG		 1483 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
1484 data->assoc_info.freq);
6fc6879b
JM		 1485
1486 p = data->assoc_info.req_ies;
1487 l = data->assoc_info.req_ies_len;
1488
1489 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1490 while (p && l >= 2) {
1491 len = p[1] + 2;
1492 if (len > l) {
1493 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1494 p, l);
1495 break;
1496 }
1497 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1498 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1499 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1500 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1501 break;
1502 found = 1;
1503 wpa_find_assoc_pmkid(wpa_s);
1504 break;
1505 }
1506 l -= len;
1507 p += len;
1508 }
1509 if (!found && data->assoc_info.req_ies)
1510 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1511
c2a04078 1512#ifdef CONFIG_IEEE80211R
62c72d72
JM		 1513#ifdef CONFIG_SME
1514 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 1515 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1516 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1517 data->assoc_info.resp_ies,
1518 data->assoc_info.resp_ies_len,
1519 bssid) < 0) {
f049052b
BG		 1520 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1521 "Reassociation Response failed");
579ce771
JM		 1522 wpa_supplicant_deauthenticate(
1523 wpa_s, WLAN_REASON_INVALID_IE);
1524 return -1;
62c72d72
JM		 1525 }
1526 }
62c72d72 1527
c2a04078
JM		 1528 p = data->assoc_info.resp_ies;
1529 l = data->assoc_info.resp_ies_len;
1530
54f489be 1531#ifdef CONFIG_WPS_STRICT
5dac11e0 1532 if (p && wpa_s->current_ssid &&
54f489be
JM		 1533 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
1534 struct wpabuf *wps;
1535 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
1536 if (wps == NULL) {
f049052b
BG		 1537 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
1538 "include WPS IE in (Re)Association Response");
54f489be
JM		 1539 return -1;
1540 }
1541
1542 if (wps_validate_assoc_resp(wps) < 0) {
1543 wpabuf_free(wps);
1544 wpa_supplicant_deauthenticate(
1545 wpa_s, WLAN_REASON_INVALID_IE);
1546 return -1;
1547 }
1548 wpabuf_free(wps);
1549 }
1550#endif /* CONFIG_WPS_STRICT */
1551
e7846b68 1552 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 1553 while (p && l >= 2) {
1554 len = p[1] + 2;
1555 if (len > l) {
1556 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1557 p, l);
1558 break;
1559 }
e7846b68
JM		 1560 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1561 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1562 wpa_s->sme.ft_used = 1;
1563 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1564 MOBILITY_DOMAIN_ID_LEN);
1565 break;
1566 }
c2a04078
JM		 1567 l -= len;
1568 p += len;
1569 }
e7846b68 1570#endif /* CONFIG_SME */
c2a04078 1571
6a1ce395
DG		 1572 /* Process FT when SME is in the driver */
1573 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
1574 wpa_ft_is_completed(wpa_s->wpa)) {
1575 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1576 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1577 data->assoc_info.resp_ies,
1578 data->assoc_info.resp_ies_len,
1579 bssid) < 0) {
1580 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1581 "Reassociation Response failed");
1582 wpa_supplicant_deauthenticate(
1583 wpa_s, WLAN_REASON_INVALID_IE);
1584 return -1;
1585 }
1586 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
1587 }
1588
e7846b68
JM		 1589 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1590 data->assoc_info.resp_ies_len);
c2a04078
JM		 1591#endif /* CONFIG_IEEE80211R */
1592
6fc6879b
JM		 1593 /* WPA/RSN IE from Beacon/ProbeResp */
1594 p = data->assoc_info.beacon_ies;
1595 l = data->assoc_info.beacon_ies_len;
1596
1597 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1598 */
1599 wpa_found = rsn_found = 0;
1600 while (p && l >= 2) {
1601 len = p[1] + 2;
1602 if (len > l) {
1603 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1604 p, l);
1605 break;
1606 }
1607 if (!wpa_found &&
1608 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1609 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1610 wpa_found = 1;
1611 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1612 }
1613
1614 if (!rsn_found &&
1615 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1616 rsn_found = 1;
1617 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1618 }
1619
1620 l -= len;
1621 p += len;
1622 }
1623
1624 if (!wpa_found && data->assoc_info.beacon_ies)
1625 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1626 if (!rsn_found && data->assoc_info.beacon_ies)
1627 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1628 if (wpa_found || rsn_found)
1629 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 1630
117e812d
JM		 1631 if (wpa_s->assoc_freq && data->assoc_info.freq &&
1632 wpa_s->assoc_freq != data->assoc_info.freq) {
1633 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
1634 "%u to %u MHz",
1635 wpa_s->assoc_freq, data->assoc_info.freq);
1636 wpa_supplicant_update_scan_results(wpa_s);
1637 }
1638
4832ecd7 1639 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 1640
1641 return 0;
6fc6879b
JM		 1642}
1643
1644
cd2f4ddf
SM		 1645static struct wpa_bss * wpa_supplicant_get_new_bss(
1646 struct wpa_supplicant *wpa_s, const u8 *bssid)
1647{
1648 struct wpa_bss *bss = NULL;
1649 struct wpa_ssid *ssid = wpa_s->current_ssid;
1650
1651 if (ssid->ssid_len > 0)
1652 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
1653 if (!bss)
1654 bss = wpa_bss_get_bssid(wpa_s, bssid);
1655
1656 return bss;
1657}
1658
1659
ad9ee4d4
JM		 1660static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
1661{
1662 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
1663
1664 if (!wpa_s->current_bss || !wpa_s->current_ssid)
1665 return -1;
1666
1667 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
1668 return 0;
1669
1670 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1671 WPA_IE_VENDOR_TYPE);
1672 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
1673
1674 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
1675 bss_wpa ? 2 + bss_wpa[1] : 0) ||
1676 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
1677 bss_rsn ? 2 + bss_rsn[1] : 0))
1678 return -1;
1679
1680 return 0;
1681}
1682
1683
6fc6879b
JM		 1684static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1685 union wpa_event_data *data)
1686{
1687 u8 bssid[ETH_ALEN];
1d041bec 1688 int ft_completed;
6fc6879b 1689
1d041bec
JM		 1690#ifdef CONFIG_AP
1691 if (wpa_s->ap_iface) {
1692 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1693 data->assoc_info.addr,
1694 data->assoc_info.req_ies,
39b08b5f
SP		 1695 data->assoc_info.req_ies_len,
1696 data->assoc_info.reassoc);
1d041bec
JM		 1697 return;
1698 }
1699#endif /* CONFIG_AP */
1700
1701 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 1702 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1703 return;
6fc6879b 1704
0a0c38f6
MH		 1705 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1706 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 1707 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 1708 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1709 return;
1710 }
1711
6fc6879b 1712 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 1713 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
f049052b 1714 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 1715 MACSTR, MAC2STR(bssid));
bbb921da 1716 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 1717 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1718 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 1719 wpas_notify_bssid_changed(wpa_s);
8bac466b 1720
6fc6879b
JM		 1721 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1722 wpa_clear_keys(wpa_s, bssid);
1723 }
1724 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 1725 wpa_supplicant_deauthenticate(
6fc6879b
JM		 1726 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1727 return;
1728 }
8f770587
JM		 1729 if (wpa_s->current_ssid) {
1730 struct wpa_bss *bss = NULL;
cd2f4ddf
SM		 1731
1732 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1733 if (!bss) {
1734 wpa_supplicant_update_scan_results(wpa_s);
1735
1736 /* Get the BSS from the new scan results */
1737 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1738 }
1739
8f770587
JM		 1740 if (bss)
1741 wpa_s->current_bss = bss;
1742 }
cd2f4ddf
SM		 1743
1744 if (wpa_s->conf->ap_scan == 1 &&
1745 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
1746 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
1747 wpa_msg(wpa_s, MSG_WARNING,
1748 "WPA/RSN IEs not updated");
1749 }
6fc6879b
JM		 1750 }
1751
62fa124c
JM		 1752#ifdef CONFIG_SME
1753 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1754 wpa_s->sme.prev_bssid_set = 1;
1755#endif /* CONFIG_SME */
1756
6fc6879b
JM		 1757 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1758 if (wpa_s->current_ssid) {
1759 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1760 * initialized before association, but for other modes,
1761 * initialize PC/SC here, if the current configuration needs
1762 * smartcard or SIM/USIM. */
1763 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1764 }
1765 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 1766 if (wpa_s->l2)
1767 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b
JM		 1768
1769 /*
1770 * Set portEnabled first to FALSE in order to get EAP state machine out
1771 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1772 * state machine may transit to AUTHENTICATING state based on obsolete
1773 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1774 * AUTHENTICATED without ever giving chance to EAP state machine to
1775 * reset the state.
1776 */
1777 if (!ft_completed) {
1778 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1779 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1780 }
56586197 1781 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
6fc6879b
JM		 1782 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1783 /* 802.1X::portControl = Auto */
1784 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1785 wpa_s->eapol_received = 0;
1786 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 1787 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1788 (wpa_s->current_ssid &&
1789 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
6ea1f413
JM		 1790 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
1791 (wpa_s->drv_flags &
1792 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
1793 /*
1794 * Set the key after having received joined-IBSS event
1795 * from the driver.
1796 */
1797 wpa_supplicant_set_wpa_none_key(wpa_s,
1798 wpa_s->current_ssid);
1799 }
6fc6879b
JM		 1800 wpa_supplicant_cancel_auth_timeout(wpa_s);
1801 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1802 } else if (!ft_completed) {
1803 /* Timeout for receiving the first EAPOL packet */
1804 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1805 }
1806 wpa_supplicant_cancel_scan(wpa_s);
1807
c2a04078 1808 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 1809 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1810 /*
1811 * We are done; the driver will take care of RSN 4-way
1812 * handshake.
1813 */
1814 wpa_supplicant_cancel_auth_timeout(wpa_s);
1815 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1816 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1817 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
98ea9431
JM		 1818 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1819 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1820 /*
1821 * The driver will take care of RSN 4-way handshake, so we need
1822 * to allow EAPOL supplicant to complete its work without
1823 * waiting for WPA supplicant.
1824 */
1825 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
16a83d29
JM		 1826 } else if (ft_completed) {
1827 /*
1828 * FT protocol completed - make sure EAPOL state machine ends
1829 * up in authenticated.
1830 */
1831 wpa_supplicant_cancel_auth_timeout(wpa_s);
1832 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1833 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1834 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
6fc6879b 1835 }
1ff73338 1836
3ab35a66
JM		 1837 wpa_s->last_eapol_matches_bssid = 0;
1838
1ff73338
JM		 1839 if (wpa_s->pending_eapol_rx) {
1840 struct os_time now, age;
1841 os_get_time(&now);
1842 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1843 if (age.sec == 0 && age.usec < 100000 &&
1844 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1845 0) {
f049052b
BG		 1846 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
1847 "frame that was received just before "
1848 "association notification");
1ff73338
JM		 1849 wpa_supplicant_rx_eapol(
1850 wpa_s, wpa_s->pending_eapol_rx_src,
1851 wpabuf_head(wpa_s->pending_eapol_rx),
1852 wpabuf_len(wpa_s->pending_eapol_rx));
1853 }
1854 wpabuf_free(wpa_s->pending_eapol_rx);
1855 wpa_s->pending_eapol_rx = NULL;
1856 }
60b94c98 1857
0194fedb
JB		 1858 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1859 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 1860 wpa_s->current_ssid &&
1861 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 1862 /* Set static WEP keys again */
1863 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1864 }
50b05780
JM		 1865
1866#ifdef CONFIG_IBSS_RSN
1867 if (wpa_s->current_ssid &&
1868 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
1869 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 1870 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
1871 wpa_s->ibss_rsn == NULL) {
1872 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
1873 if (!wpa_s->ibss_rsn) {
1874 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
1875 wpa_supplicant_deauthenticate(
1876 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1877 return;
1878 }
1879
1880 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
1881 }
50b05780 1882#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 1883
1884 wpas_wps_notify_assoc(wpa_s, bssid);
6fc6879b
JM		 1885}
1886
1887
d00821e9
JM		 1888static int disconnect_reason_recoverable(u16 reason_code)
1889{
1890 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
1891 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
1892 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
1893}
1894
1895
0544b242 1896static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 1897 u16 reason_code,
1898 int locally_generated)
6fc6879b
JM		 1899{
1900 const u8 *bssid;
0aadd568
JM		 1901
1902 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1903 /*
1904 * At least Host AP driver and a Prism3 card seemed to be
1905 * generating streams of disconnected events when configuring
1906 * IBSS for WPA-None. Ignore them for now.
1907 */
1908 return;
1909 }
1910
1911 bssid = wpa_s->bssid;
1912 if (is_zero_ether_addr(bssid))
1913 bssid = wpa_s->pending_bssid;
1914
1915 if (!is_zero_ether_addr(bssid) ||
1916 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1917 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
1918 " reason=%d%s",
1919 MAC2STR(bssid), reason_code,
1920 locally_generated ? " locally_generated=1" : "");
1921 }
1922}
1923
1924
c9a82218
JM		 1925static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
1926 int locally_generated)
1927{
1928 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
1929 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
1930 return 0; /* Not in 4-way handshake with PSK */
1931
1932 /*
1933 * It looks like connection was lost while trying to go through PSK
1934 * 4-way handshake. Filter out known disconnection cases that are caused
1935 * by something else than PSK mismatch to avoid confusing reports.
1936 */
1937
1938 if (locally_generated) {
1939 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
1940 return 0;
1941 }
1942
1943 return 1;
1944}
1945
1946
0aadd568
JM		 1947static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
1948 u16 reason_code,
1949 int locally_generated)
1950{
1951 const u8 *bssid;
6d6f4bb8
JM		 1952 int authenticating;
1953 u8 prev_pending_bssid[ETH_ALEN];
d00821e9 1954 struct wpa_bss *fast_reconnect = NULL;
5d5c4ee5 1955#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9 1956 struct wpa_ssid *fast_reconnect_ssid = NULL;
5d5c4ee5 1957#endif /* CONFIG_NO_SCAN_PROCESSING */
bcdf2096 1958 struct wpa_ssid *last_ssid;
6d6f4bb8
JM		 1959
1960 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
1961 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 1962
1963 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1964 /*
1965 * At least Host AP driver and a Prism3 card seemed to be
1966 * generating streams of disconnected events when configuring
1967 * IBSS for WPA-None. Ignore them for now.
1968 */
f049052b
BG		 1969 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
1970 "IBSS/WPA-None mode");
6fc6879b
JM		 1971 return;
1972 }
1973
c9a82218 1974 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 1975 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
1976 "pre-shared key may be incorrect");
00e5e3d5 1977 wpas_auth_failed(wpa_s);
6fc6879b 1978 }
3636b891
JM		 1979 if (!wpa_s->disconnected &&
1980 (!wpa_s->auto_reconnect_disabled ||
1981 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)) {
d00821e9 1982 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
f7da5a9e
JM		 1983 "reconnect (wps=%d wpa_state=%d)",
1984 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
1985 wpa_s->wpa_state);
d00821e9
JM		 1986 if (wpa_s->wpa_state == WPA_COMPLETED &&
1987 wpa_s->current_ssid &&
1988 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 1989 !locally_generated &&
d00821e9
JM		 1990 disconnect_reason_recoverable(reason_code)) {
1991 /*
1992 * It looks like the AP has dropped association with
1993 * us, but could allow us to get back in. Try to
1994 * reconnect to the same BSS without full scan to save
1995 * time for some common cases.
1996 */
1997 fast_reconnect = wpa_s->current_bss;
5d5c4ee5 1998#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9 1999 fast_reconnect_ssid = wpa_s->current_ssid;
5d5c4ee5 2000#endif /* CONFIG_NO_SCAN_PROCESSING */
d00821e9 2001 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 2002 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 2003 else
2004 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2005 "immediate scan");
0d0a8ca1 2006 } else {
d00821e9 2007 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 2008 "try to re-connect");
0d0a8ca1
AC		 2009 wpa_s->reassociate = 0;
2010 wpa_s->disconnected = 1;
433cd2ce 2011 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 2012 }
6fc6879b 2013 bssid = wpa_s->bssid;
a8e16edc 2014 if (is_zero_ether_addr(bssid))
6fc6879b 2015 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 2016 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2017 wpas_connection_failed(wpa_s, bssid);
6fc6879b 2018 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 2019 if (locally_generated)
2020 wpa_s->disconnect_reason = -reason_code;
2021 else
2022 wpa_s->disconnect_reason = reason_code;
2023 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 2024 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 2025 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 2026 wpa_s->keys_cleared = 0;
2027 wpa_clear_keys(wpa_s, wpa_s->bssid);
2028 }
bcdf2096 2029 last_ssid = wpa_s->current_ssid;
6fc6879b 2030 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 2031
bcdf2096 2032 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 2033 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 2034 wpa_s->current_ssid = last_ssid;
2035 }
d00821e9
JM		 2036
2037 if (fast_reconnect) {
5928411e 2038#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 2039 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2040 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2041 fast_reconnect_ssid) < 0) {
2042 /* Recover through full scan */
2043 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2044 }
5928411e 2045#endif /* CONFIG_NO_SCAN_PROCESSING */
d00821e9 2046 }
6fc6879b
JM		 2047}
2048
2049
46690a3b 2050#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 2051void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 2052{
2053 struct wpa_supplicant *wpa_s = eloop_ctx;
2054
2055 if (!wpa_s->pending_mic_error_report)
2056 return;
2057
f049052b 2058 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 2059 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2060 wpa_s->pending_mic_error_report = 0;
2061}
2062#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2063
2064
6fc6879b
JM		 2065static void
2066wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2067 union wpa_event_data *data)
2068{
2069 int pairwise;
2070 struct os_time t;
2071
2072 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2073 pairwise = (data && data->michael_mic_failure.unicast);
6fc6879b 2074 os_get_time(&t);
46690a3b
JM		 2075 if ((wpa_s->last_michael_mic_error &&
2076 t.sec - wpa_s->last_michael_mic_error <= 60) ||
2077 wpa_s->pending_mic_error_report) {
2078 if (wpa_s->pending_mic_error_report) {
2079 /*
2080 * Send the pending MIC error report immediately since
2081 * we are going to start countermeasures and AP better
2082 * do the same.
2083 */
2084 wpa_sm_key_request(wpa_s->wpa, 1,
2085 wpa_s->pending_mic_error_pairwise);
2086 }
2087
2088 /* Send the new MIC error report immediately since we are going
2089 * to start countermeasures and AP better do the same.
2090 */
2091 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2092
6fc6879b
JM		 2093 /* initialize countermeasures */
2094 wpa_s->countermeasures = 1;
8945cc45
BM		 2095
2096 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2097
6fc6879b
JM		 2098 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2099
2100 /*
2101 * Need to wait for completion of request frame. We do not get
2102 * any callback for the message completion, so just wait a
2103 * short while and hope for the best. */
2104 os_sleep(0, 10000);
2105
2106 wpa_drv_set_countermeasures(wpa_s, 1);
2107 wpa_supplicant_deauthenticate(wpa_s,
2108 WLAN_REASON_MICHAEL_MIC_FAILURE);
2109 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2110 wpa_s, NULL);
2111 eloop_register_timeout(60, 0,
2112 wpa_supplicant_stop_countermeasures,
2113 wpa_s, NULL);
2114 /* TODO: mark the AP rejected for 60 second. STA is
2115 * allowed to associate with another AP.. */
46690a3b
JM		 2116 } else {
2117#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2118 if (wpa_s->mic_errors_seen) {
2119 /*
2120 * Reduce the effectiveness of Michael MIC error
2121 * reports as a means for attacking against TKIP if
2122 * more than one MIC failure is noticed with the same
2123 * PTK. We delay the transmission of the reports by a
2124 * random time between 0 and 60 seconds in order to
2125 * force the attacker wait 60 seconds before getting
2126 * the information on whether a frame resulted in a MIC
2127 * failure.
2128 */
2129 u8 rval[4];
2130 int sec;
2131
2132 if (os_get_random(rval, sizeof(rval)) < 0)
2133 sec = os_random() % 60;
2134 else
2135 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 2136 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2137 "report %d seconds", sec);
46690a3b
JM		 2138 wpa_s->pending_mic_error_report = 1;
2139 wpa_s->pending_mic_error_pairwise = pairwise;
2140 eloop_cancel_timeout(
2141 wpa_supplicant_delayed_mic_error_report,
2142 wpa_s, NULL);
2143 eloop_register_timeout(
2144 sec, os_random() % 1000000,
2145 wpa_supplicant_delayed_mic_error_report,
2146 wpa_s, NULL);
2147 } else {
2148 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2149 }
2150#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2151 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2152#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b
JM		 2153 }
2154 wpa_s->last_michael_mic_error = t.sec;
46690a3b 2155 wpa_s->mic_errors_seen++;
6fc6879b
JM		 2156}
2157
2158
a83d9c96
SL		 2159#ifdef CONFIG_TERMINATE_ONLASTIF
2160static int any_interfaces(struct wpa_supplicant *head)
2161{
2162 struct wpa_supplicant *wpa_s;
2163
2164 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2165 if (!wpa_s->interface_removed)
2166 return 1;
2167 return 0;
2168}
2169#endif /* CONFIG_TERMINATE_ONLASTIF */
2170
2171
6fc6879b
JM		 2172static void
2173wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2174 union wpa_event_data *data)
2175{
2176 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2177 return;
2178
2179 switch (data->interface_status.ievent) {
2180 case EVENT_INTERFACE_ADDED:
2181 if (!wpa_s->interface_removed)
2182 break;
2183 wpa_s->interface_removed = 0;
f049052b 2184 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 2185 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 2186 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2187 "driver after interface was added");
6fc6879b 2188 }
cb6710a4 2189 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
6fc6879b
JM		 2190 break;
2191 case EVENT_INTERFACE_REMOVED:
f049052b 2192 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 2193 wpa_s->interface_removed = 1;
2194 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 2195 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 2196 l2_packet_deinit(wpa_s->l2);
2197 wpa_s->l2 = NULL;
ea244d21 2198#ifdef CONFIG_IBSS_RSN
78177a00
JM		 2199 ibss_rsn_deinit(wpa_s->ibss_rsn);
2200 wpa_s->ibss_rsn = NULL;
ea244d21 2201#endif /* CONFIG_IBSS_RSN */
a83d9c96
SL		 2202#ifdef CONFIG_TERMINATE_ONLASTIF
2203 /* check if last interface */
2204 if (!any_interfaces(wpa_s->global->ifaces))
2205 eloop_terminate();
2206#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 2207 break;
2208 }
2209}
2210
2211
2212#ifdef CONFIG_PEERKEY
2213static void
2214wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2215 union wpa_event_data *data)
2216{
2217 if (data == NULL)
2218 return;
2219 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2220}
2221#endif /* CONFIG_PEERKEY */
2222
2223
281ff0aa
GP		 2224#ifdef CONFIG_TDLS
2225static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2226 union wpa_event_data *data)
2227{
2228 if (data == NULL)
2229 return;
2230 switch (data->tdls.oper) {
2231 case TDLS_REQUEST_SETUP:
3887878e
SD		 2232 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2233 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2234 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2235 else
2236 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 2237 break;
2238 case TDLS_REQUEST_TEARDOWN:
f2e698de 2239 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
7de27409 2240 data->tdls.reason_code);
281ff0aa
GP		 2241 break;
2242 }
2243}
2244#endif /* CONFIG_TDLS */
2245
2246
ad3872a3 2247#ifdef CONFIG_WNM
75cad1a0
XC		 2248static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2249 union wpa_event_data *data)
2250{
2251 if (data == NULL)
2252 return;
2253 switch (data->wnm.oper) {
2254 case WNM_OPER_SLEEP:
2255 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2256 "(action=%d, intval=%d)",
2257 data->wnm.sleep_action, data->wnm.sleep_intval);
2258 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 2259 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 2260 break;
2261 }
2262}
ad3872a3 2263#endif /* CONFIG_WNM */
75cad1a0
XC		 2264
2265
6fc6879b
JM		 2266#ifdef CONFIG_IEEE80211R
2267static void
2268wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2269 union wpa_event_data *data)
2270{
2271 if (data == NULL)
2272 return;
2273
2274 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2275 data->ft_ies.ies_len,
2276 data->ft_ies.ft_action,
babfbf15
JM		 2277 data->ft_ies.target_ap,
2278 data->ft_ies.ric_ies,
2279 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 2280 /* TODO: prevent MLME/driver from trying to associate? */
2281 }
2282}
2283#endif /* CONFIG_IEEE80211R */
2284
2285
11ef8d35
JM		 2286#ifdef CONFIG_IBSS_RSN
2287static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2288 union wpa_event_data *data)
2289{
df4bc509 2290 struct wpa_ssid *ssid;
df418245
XC		 2291 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2292 return;
11ef8d35
JM		 2293 if (data == NULL)
2294 return;
df4bc509
JM		 2295 ssid = wpa_s->current_ssid;
2296 if (ssid == NULL)
2297 return;
2298 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2299 return;
2300
11ef8d35
JM		 2301 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2302}
2303#endif /* CONFIG_IBSS_RSN */
2304
2305
036f7c4a
JM		 2306#ifdef CONFIG_IEEE80211R
2307static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2308 size_t len)
2309{
2310 const u8 *sta_addr, *target_ap_addr;
2311 u16 status;
2312
2313 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2314 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2315 return; /* only SME case supported for now */
2316 if (len < 1 + 2 * ETH_ALEN + 2)
2317 return;
2318 if (data[0] != 2)
2319 return; /* Only FT Action Response is supported for now */
2320 sta_addr = data + 1;
2321 target_ap_addr = data + 1 + ETH_ALEN;
2322 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 2323 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2324 MACSTR " TargetAP " MACSTR " status %u",
2325 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 2326
2327 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 2328 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2329 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 2330 return;
2331 }
2332
2333 if (status) {
f049052b
BG		 2334 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2335 "failure (status code %d)", status);
036f7c4a
JM		 2336 /* TODO: report error to FT code(?) */
2337 return;
2338 }
2339
2340 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2341 len - (1 + 2 * ETH_ALEN + 2), 1,
2342 target_ap_addr, NULL, 0) < 0)
2343 return;
2344
fe191985
JM		 2345#ifdef CONFIG_SME
2346 {
2347 struct wpa_bss *bss;
2348 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
2349 if (bss)
2350 wpa_s->sme.freq = bss->freq;
62c72d72 2351 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 2352 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
2353 WLAN_AUTH_FT);
2354 }
2355#endif /* CONFIG_SME */
036f7c4a
JM		 2356}
2357#endif /* CONFIG_IEEE80211R */
2358
2359
7d878ca7
JM		 2360static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
2361 struct unprot_deauth *e)
2362{
2363#ifdef CONFIG_IEEE80211W
2364 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
2365 "dropped: " MACSTR " -> " MACSTR
2366 " (reason code %u)",
2367 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2368 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2369#endif /* CONFIG_IEEE80211W */
2370}
2371
2372
2373static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
2374 struct unprot_disassoc *e)
2375{
2376#ifdef CONFIG_IEEE80211W
2377 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
2378 "dropped: " MACSTR " -> " MACSTR
2379 " (reason code %u)",
2380 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2381 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2382#endif /* CONFIG_IEEE80211W */
2383}
2384
2385
9646a8ab 2386void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 2387 union wpa_event_data *data)
2388{
2389 struct wpa_supplicant *wpa_s = ctx;
0544b242 2390 u16 reason_code = 0;
3d9975d5 2391 int locally_generated = 0;
6fc6879b 2392
8401a6b0
JM		 2393 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
2394 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb
JM		 2395 event != EVENT_INTERFACE_STATUS &&
2396 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 2397 wpa_dbg(wpa_s, MSG_DEBUG,
2398 "Ignore event %s (%d) while interface is disabled",
2399 event_to_string(event), event);
8401a6b0
JM		 2400 return;
2401 }
2402
74781dfc
JM		 2403#ifndef CONFIG_NO_STDOUT_DEBUG
2404{
2405 int level = MSG_DEBUG;
2406
eab6f5e0 2407 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 2408 const struct ieee80211_hdr *hdr;
2409 u16 fc;
2410 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
2411 fc = le_to_host16(hdr->frame_control);
2412 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2413 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
2414 level = MSG_EXCESSIVE;
2415 }
2416
2417 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 2418 event_to_string(event), event);
74781dfc
JM		 2419}
2420#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 2421
6fc6879b 2422 switch (event) {
c2a04078
JM		 2423 case EVENT_AUTH:
2424 sme_event_auth(wpa_s, data);
2425 break;
6fc6879b
JM		 2426 case EVENT_ASSOC:
2427 wpa_supplicant_event_assoc(wpa_s, data);
2428 break;
2429 case EVENT_DISASSOC:
f049052b 2430 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
2e75a2b3 2431 if (data) {
3d9975d5
JM		 2432 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2433 data->disassoc_info.reason_code,
2434 data->disassoc_info.locally_generated ?
2435 " (locally generated)" : "");
2e75a2b3 2436 if (data->disassoc_info.addr)
f049052b
BG		 2437 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2438 MAC2STR(data->disassoc_info.addr));
2e75a2b3 2439 }
1d041bec 2440#ifdef CONFIG_AP
7f542069 2441 if (wpa_s->ap_iface && data && data->disassoc_info.addr) {
1d041bec
JM		 2442 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
2443 data->disassoc_info.addr);
2444 break;
2445 }
4551dd90
JM		 2446 if (wpa_s->ap_iface) {
2447 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in "
2448 "AP mode");
2449 break;
2450 }
1d041bec 2451#endif /* CONFIG_AP */
9fdd0fad
JM		 2452 if (data) {
2453 reason_code = data->disassoc_info.reason_code;
3d9975d5
JM		 2454 locally_generated =
2455 data->disassoc_info.locally_generated;
9fdd0fad
JM		 2456 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
2457 data->disassoc_info.ie,
2458 data->disassoc_info.ie_len);
2459#ifdef CONFIG_P2P
2460 wpas_p2p_disassoc_notif(
2461 wpa_s, data->disassoc_info.addr, reason_code,
2462 data->disassoc_info.ie,
3fc14102
JM		 2463 data->disassoc_info.ie_len,
2464 locally_generated);
9fdd0fad
JM		 2465#endif /* CONFIG_P2P */
2466 }
0e379654
JM		 2467 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2468 sme_event_disassoc(wpa_s, data);
a84ed99e
JM		 2469 /* fall through */
2470 case EVENT_DEAUTH:
0544b242 2471 if (event == EVENT_DEAUTH) {
f049052b
BG		 2472 wpa_dbg(wpa_s, MSG_DEBUG,
2473 "Deauthentication notification");
2e75a2b3 2474 if (data) {
0544b242 2475 reason_code = data->deauth_info.reason_code;
3d9975d5
JM		 2476 locally_generated =
2477 data->deauth_info.locally_generated;
2478 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2479 data->deauth_info.reason_code,
2480 data->deauth_info.locally_generated ?
2481 " (locally generated)" : "");
2e75a2b3 2482 if (data->deauth_info.addr) {
f049052b
BG		 2483 wpa_dbg(wpa_s, MSG_DEBUG, " * address "
2484 MACSTR,
2485 MAC2STR(data->deauth_info.
2486 addr));
2e75a2b3 2487 }
9fdd0fad
JM		 2488 wpa_hexdump(MSG_DEBUG,
2489 "Deauthentication frame IE(s)",
2490 data->deauth_info.ie,
2491 data->deauth_info.ie_len);
2e75a2b3 2492 }
02db75b6 2493 wpa_reset_ft_completed(wpa_s->wpa);
0544b242 2494 }
1d041bec 2495#ifdef CONFIG_AP
7f542069 2496 if (wpa_s->ap_iface && data && data->deauth_info.addr) {
1d041bec
JM		 2497 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
2498 data->deauth_info.addr);
2499 break;
2500 }
4551dd90
JM		 2501 if (wpa_s->ap_iface) {
2502 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in "
2503 "AP mode");
2504 break;
2505 }
1d041bec 2506#endif /* CONFIG_AP */
3d9975d5
JM		 2507 wpa_supplicant_event_disassoc(wpa_s, reason_code,
2508 locally_generated);
00e5e3d5
JM		 2509 if (reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
2510 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2511 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
2512 eapol_sm_failed(wpa_s->eapol)))
2513 wpas_auth_failed(wpa_s);
3fc14102
JM		 2514#ifdef CONFIG_P2P
2515 if (event == EVENT_DEAUTH && data) {
0aadd568
JM		 2516 if (wpas_p2p_deauth_notif(wpa_s,
2517 data->deauth_info.addr,
2518 reason_code,
2519 data->deauth_info.ie,
2520 data->deauth_info.ie_len,
2521 locally_generated) > 0) {
2522 /*
2523 * The interface was removed, so cannot
2524 * continue processing any additional
2525 * operations after this.
2526 */
2527 break;
2528 }
3fc14102
JM		 2529 }
2530#endif /* CONFIG_P2P */
0aadd568
JM		 2531 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
2532 locally_generated);
6fc6879b
JM		 2533 break;
2534 case EVENT_MICHAEL_MIC_FAILURE:
2535 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
2536 break;
2537#ifndef CONFIG_NO_SCAN_PROCESSING
2538 case EVENT_SCAN_RESULTS:
8d923a4a 2539 wpa_supplicant_event_scan_results(wpa_s, data);
f85f545e
JM		 2540 if (wpa_s->wpa_state != WPA_AUTHENTICATING &&
2541 wpa_s->wpa_state != WPA_ASSOCIATING)
2542 wpas_p2p_continue_after_scan(wpa_s);
6fc6879b
JM		 2543 break;
2544#endif /* CONFIG_NO_SCAN_PROCESSING */
2545 case EVENT_ASSOCINFO:
2546 wpa_supplicant_event_associnfo(wpa_s, data);
2547 break;
2548 case EVENT_INTERFACE_STATUS:
2549 wpa_supplicant_event_interface_status(wpa_s, data);
2550 break;
2551 case EVENT_PMKID_CANDIDATE:
2552 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
2553 break;
2554#ifdef CONFIG_PEERKEY
2555 case EVENT_STKSTART:
2556 wpa_supplicant_event_stkstart(wpa_s, data);
2557 break;
2558#endif /* CONFIG_PEERKEY */
281ff0aa
GP		 2559#ifdef CONFIG_TDLS
2560 case EVENT_TDLS:
2561 wpa_supplicant_event_tdls(wpa_s, data);
2562 break;
2563#endif /* CONFIG_TDLS */
ad3872a3 2564#ifdef CONFIG_WNM
75cad1a0
XC		 2565 case EVENT_WNM:
2566 wpa_supplicant_event_wnm(wpa_s, data);
2567 break;
ad3872a3 2568#endif /* CONFIG_WNM */
6fc6879b
JM		 2569#ifdef CONFIG_IEEE80211R
2570 case EVENT_FT_RESPONSE:
2571 wpa_supplicant_event_ft_response(wpa_s, data);
2572 break;
2573#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 2574#ifdef CONFIG_IBSS_RSN
2575 case EVENT_IBSS_RSN_START:
2576 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
2577 break;
2578#endif /* CONFIG_IBSS_RSN */
efa46078 2579 case EVENT_ASSOC_REJECT:
c05d6d18
JM		 2580 if (data->assoc_reject.bssid)
2581 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2582 "bssid=" MACSTR " status_code=%u",
2583 MAC2STR(data->assoc_reject.bssid),
2584 data->assoc_reject.status_code);
2585 else
2586 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2587 "status_code=%u",
2588 data->assoc_reject.status_code);
ea78c315
JM		 2589 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2590 sme_event_assoc_reject(wpa_s, data);
10737aba
JM		 2591 else {
2592 const u8 *bssid = data->assoc_reject.bssid;
2593 if (bssid == NULL || is_zero_ether_addr(bssid))
2594 bssid = wpa_s->pending_bssid;
2595 wpas_connection_failed(wpa_s, bssid);
2596 wpa_supplicant_mark_disassoc(wpa_s);
2597 }
efa46078 2598 break;
da1fb17c 2599 case EVENT_AUTH_TIMED_OUT:
ea78c315
JM		 2600 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2601 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 2602 break;
2603 case EVENT_ASSOC_TIMED_OUT:
ea78c315
JM		 2604 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2605 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 2606 break;
f8b1f695 2607 case EVENT_TX_STATUS:
f049052b
BG		 2608 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
2609 " type=%d stype=%d",
2610 MAC2STR(data->tx_status.dst),
2611 data->tx_status.type, data->tx_status.stype);
24f6497c 2612#ifdef CONFIG_AP
9bae1be0 2613 if (wpa_s->ap_iface == NULL) {
24f6497c 2614#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 2615 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2616 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 2617 offchannel_send_action_tx_status(
9bae1be0
JM		 2618 wpa_s, data->tx_status.dst,
2619 data->tx_status.data,
2620 data->tx_status.data_len,
93b7ddd0 2621 data->tx_status.ack ?
24f6497c
JM		 2622 OFFCHANNEL_SEND_ACTION_SUCCESS :
2623 OFFCHANNEL_SEND_ACTION_NO_ACK);
2624#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 2625 break;
2626 }
24f6497c
JM		 2627#endif /* CONFIG_AP */
2628#ifdef CONFIG_OFFCHANNEL
f049052b
BG		 2629 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
2630 MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
9bae1be0
JM		 2631 /*
2632 * Catch TX status events for Action frames we sent via group
2633 * interface in GO mode.
2634 */
2635 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2636 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
2637 os_memcmp(wpa_s->parent->pending_action_dst,
2638 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 2639 offchannel_send_action_tx_status(
9bae1be0
JM		 2640 wpa_s->parent, data->tx_status.dst,
2641 data->tx_status.data,
2642 data->tx_status.data_len,
1d39378a 2643 data->tx_status.ack ?
24f6497c
JM		 2644 OFFCHANNEL_SEND_ACTION_SUCCESS :
2645 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 2646 break;
9bae1be0 2647 }
24f6497c
JM		 2648#endif /* CONFIG_OFFCHANNEL */
2649#ifdef CONFIG_AP
f8b1f695
JM		 2650 switch (data->tx_status.type) {
2651 case WLAN_FC_TYPE_MGMT:
2652 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
2653 data->tx_status.data_len,
2654 data->tx_status.stype,
2655 data->tx_status.ack);
2656 break;
2657 case WLAN_FC_TYPE_DATA:
2658 ap_tx_status(wpa_s, data->tx_status.dst,
2659 data->tx_status.data,
2660 data->tx_status.data_len,
2661 data->tx_status.ack);
2662 break;
2663 }
24f6497c 2664#endif /* CONFIG_AP */
f8b1f695 2665 break;
24f6497c 2666#ifdef CONFIG_AP
dd840f79
JB		 2667 case EVENT_EAPOL_TX_STATUS:
2668 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
2669 data->eapol_tx_status.data,
2670 data->eapol_tx_status.data_len,
2671 data->eapol_tx_status.ack);
2672 break;
bcf24348
JB		 2673 case EVENT_DRIVER_CLIENT_POLL_OK:
2674 ap_client_poll_ok(wpa_s, data->client_poll.addr);
2675 break;
f8b1f695
JM		 2676 case EVENT_RX_FROM_UNKNOWN:
2677 if (wpa_s->ap_iface == NULL)
2678 break;
9b90955e
JB		 2679 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
2680 data->rx_from_unknown.wds);
f8b1f695 2681 break;
1b487b8b
TP		 2682 case EVENT_CH_SWITCH:
2683 if (!data)
2684 break;
2685 if (!wpa_s->ap_iface) {
2686 wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch "
2687 "event in non-AP mode");
2688 break;
2689 }
2690
2691#ifdef CONFIG_AP
2692 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
2693 data->ch_switch.ht_enabled,
2694 data->ch_switch.ch_offset);
2695#endif /* CONFIG_AP */
2696 break;
2d43d37f
JB		 2697 case EVENT_RX_MGMT: {
2698 u16 fc, stype;
2699 const struct ieee80211_mgmt *mgmt;
2700
2701 mgmt = (const struct ieee80211_mgmt *)
2702 data->rx_mgmt.frame;
2703 fc = le_to_host16(mgmt->frame_control);
2704 stype = WLAN_FC_GET_STYPE(fc);
2705
9bae1be0
JM		 2706 if (wpa_s->ap_iface == NULL) {
2707#ifdef CONFIG_P2P
9bae1be0
JM		 2708 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
2709 data->rx_mgmt.frame_len > 24) {
2710 const u8 *src = mgmt->sa;
2711 const u8 *ie = mgmt->u.probe_req.variable;
2712 size_t ie_len = data->rx_mgmt.frame_len -
2713 (mgmt->u.probe_req.variable -
2714 data->rx_mgmt.frame);
baf513d6
JB		 2715 wpas_p2p_probe_req_rx(
2716 wpa_s, src, mgmt->da,
2717 mgmt->bssid, ie, ie_len,
2718 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 2719 break;
2720 }
2721#endif /* CONFIG_P2P */
f049052b
BG		 2722 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
2723 "management frame in non-AP mode");
f8b1f695 2724 break;
9bae1be0 2725 }
2d43d37f
JB		 2726
2727 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
2728 data->rx_mgmt.frame_len > 24) {
2729 const u8 *ie = mgmt->u.probe_req.variable;
2730 size_t ie_len = data->rx_mgmt.frame_len -
2731 (mgmt->u.probe_req.variable -
2732 data->rx_mgmt.frame);
2733
2734 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
2735 mgmt->bssid, ie, ie_len,
2736 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 2737 }
2738
2a8b7416 2739 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
f8b1f695 2740 break;
2d43d37f 2741 }
f8b1f695 2742#endif /* CONFIG_AP */
036f7c4a 2743 case EVENT_RX_ACTION:
f049052b
BG		 2744 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
2745 " Category=%u DataLen=%d freq=%d MHz",
2746 MAC2STR(data->rx_action.sa),
2747 data->rx_action.category, (int) data->rx_action.len,
2748 data->rx_action.freq);
036f7c4a
JM		 2749#ifdef CONFIG_IEEE80211R
2750 if (data->rx_action.category == WLAN_ACTION_FT) {
2751 ft_rx_action(wpa_s, data->rx_action.data,
2752 data->rx_action.len);
2753 break;
2754 }
2755#endif /* CONFIG_IEEE80211R */
7d878ca7
JM		 2756#ifdef CONFIG_IEEE80211W
2757#ifdef CONFIG_SME
2758 if (data->rx_action.category == WLAN_ACTION_SA_QUERY) {
2759 sme_sa_query_rx(wpa_s, data->rx_action.sa,
2760 data->rx_action.data,
2761 data->rx_action.len);
2762 break;
2763 }
2764#endif /* CONFIG_SME */
2765#endif /* CONFIG_IEEE80211W */
ad3872a3 2766#ifdef CONFIG_WNM
75cad1a0
XC		 2767 if (data->rx_action.category == WLAN_ACTION_WNM) {
2768 ieee802_11_rx_wnm_action(wpa_s, &data->rx_action);
2769 break;
2770 }
ad3872a3 2771#endif /* CONFIG_WNM */
04ea7b79
JM		 2772#ifdef CONFIG_GAS
2773 if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
2774 gas_query_rx(wpa_s->gas, data->rx_action.da,
2775 data->rx_action.sa, data->rx_action.bssid,
2776 data->rx_action.data, data->rx_action.len,
2777 data->rx_action.freq) == 0)
2778 break;
2779#endif /* CONFIG_GAS */
35287637
AN		 2780#ifdef CONFIG_TDLS
2781 if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
2782 data->rx_action.len >= 4 &&
2783 data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
2784 wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery "
2785 "Response from " MACSTR,
2786 MAC2STR(data->rx_action.sa));
2787 break;
2788 }
2789#endif /* CONFIG_TDLS */
9bae1be0
JM		 2790#ifdef CONFIG_P2P
2791 wpas_p2p_rx_action(wpa_s, data->rx_action.da,
2792 data->rx_action.sa,
2793 data->rx_action.bssid,
2794 data->rx_action.category,
2795 data->rx_action.data,
2796 data->rx_action.len, data->rx_action.freq);
e67b55fb
JM		 2797#endif /* CONFIG_P2P */
2798 break;
2799 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 2800 if (data->rx_probe_req.sa == NULL ||
2801 data->rx_probe_req.ie == NULL)
2802 break;
e67b55fb
JM		 2803#ifdef CONFIG_AP
2804 if (wpa_s->ap_iface) {
2805 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
2806 data->rx_probe_req.sa,
04a85e44
JM		 2807 data->rx_probe_req.da,
2808 data->rx_probe_req.bssid,
e67b55fb 2809 data->rx_probe_req.ie,
baf513d6
JB		 2810 data->rx_probe_req.ie_len,
2811 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 2812 break;
2813 }
2814#endif /* CONFIG_AP */
2815#ifdef CONFIG_P2P
2816 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 2817 data->rx_probe_req.da,
2818 data->rx_probe_req.bssid,
e67b55fb 2819 data->rx_probe_req.ie,
baf513d6
JB		 2820 data->rx_probe_req.ie_len,
2821 data->rx_probe_req.ssi_signal);
9bae1be0 2822#endif /* CONFIG_P2P */
036f7c4a 2823 break;
9bae1be0 2824 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 2825#ifdef CONFIG_OFFCHANNEL
2826 offchannel_remain_on_channel_cb(
2827 wpa_s, data->remain_on_channel.freq,
2828 data->remain_on_channel.duration);
2829#endif /* CONFIG_OFFCHANNEL */
2830#ifdef CONFIG_P2P
9bae1be0
JM		 2831 wpas_p2p_remain_on_channel_cb(
2832 wpa_s, data->remain_on_channel.freq,
2833 data->remain_on_channel.duration);
24f6497c 2834#endif /* CONFIG_P2P */
9bae1be0
JM		 2835 break;
2836 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 2837#ifdef CONFIG_OFFCHANNEL
2838 offchannel_cancel_remain_on_channel_cb(
2839 wpa_s, data->remain_on_channel.freq);
2840#endif /* CONFIG_OFFCHANNEL */
2841#ifdef CONFIG_P2P
9bae1be0
JM		 2842 wpas_p2p_cancel_remain_on_channel_cb(
2843 wpa_s, data->remain_on_channel.freq);
24f6497c 2844#endif /* CONFIG_P2P */
9bae1be0 2845 break;
24f6497c 2846#ifdef CONFIG_P2P
c5db8e51
KRK		 2847 case EVENT_P2P_DEV_FOUND: {
2848 struct p2p_peer_info peer_info;
2849
2850 os_memset(&peer_info, 0, sizeof(peer_info));
2851 if (data->p2p_dev_found.dev_addr)
2852 os_memcpy(peer_info.p2p_device_addr,
2853 data->p2p_dev_found.dev_addr, ETH_ALEN);
2854 if (data->p2p_dev_found.pri_dev_type)
2855 os_memcpy(peer_info.pri_dev_type,
2856 data->p2p_dev_found.pri_dev_type,
2857 sizeof(peer_info.pri_dev_type));
2858 if (data->p2p_dev_found.dev_name)
2859 os_strlcpy(peer_info.device_name,
2860 data->p2p_dev_found.dev_name,
2861 sizeof(peer_info.device_name));
2862 peer_info.config_methods = data->p2p_dev_found.config_methods;
2863 peer_info.dev_capab = data->p2p_dev_found.dev_capab;
2864 peer_info.group_capab = data->p2p_dev_found.group_capab;
2865
8fd7dc1b
JB		 2866 /*
2867 * FIX: new_device=1 is not necessarily correct. We should
2868 * maintain a P2P peer database in wpa_supplicant and update
2869 * this information based on whether the peer is truly new.
2870 */
2871 wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1);
3ac17eba 2872 break;
c5db8e51 2873 }
3ac17eba
JM		 2874 case EVENT_P2P_GO_NEG_REQ_RX:
2875 wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src,
2876 data->p2p_go_neg_req_rx.dev_passwd_id);
2877 break;
2878 case EVENT_P2P_GO_NEG_COMPLETED:
2879 wpas_go_neg_completed(wpa_s, data->p2p_go_neg_completed.res);
2880 break;
2881 case EVENT_P2P_PROV_DISC_REQUEST:
2882 wpas_prov_disc_req(wpa_s, data->p2p_prov_disc_req.peer,
2883 data->p2p_prov_disc_req.config_methods,
2884 data->p2p_prov_disc_req.dev_addr,
2885 data->p2p_prov_disc_req.pri_dev_type,
2886 data->p2p_prov_disc_req.dev_name,
2887 data->p2p_prov_disc_req.supp_config_methods,
2888 data->p2p_prov_disc_req.dev_capab,
c3f42784
JM		 2889 data->p2p_prov_disc_req.group_capab,
2890 NULL, 0);
3ac17eba
JM		 2891 break;
2892 case EVENT_P2P_PROV_DISC_RESPONSE:
2893 wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer,
2894 data->p2p_prov_disc_resp.config_methods);
2895 break;
2896 case EVENT_P2P_SD_REQUEST:
2897 wpas_sd_request(wpa_s, data->p2p_sd_req.freq,
2898 data->p2p_sd_req.sa,
2899 data->p2p_sd_req.dialog_token,
2900 data->p2p_sd_req.update_indic,
2901 data->p2p_sd_req.tlvs,
2902 data->p2p_sd_req.tlvs_len);
2903 break;
2904 case EVENT_P2P_SD_RESPONSE:
2905 wpas_sd_response(wpa_s, data->p2p_sd_resp.sa,
2906 data->p2p_sd_resp.update_indic,
2907 data->p2p_sd_resp.tlvs,
2908 data->p2p_sd_resp.tlvs_len);
2909 break;
9bae1be0 2910#endif /* CONFIG_P2P */
a8e0505b
JM		 2911 case EVENT_EAPOL_RX:
2912 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
2913 data->eapol_rx.data,
2914 data->eapol_rx.data_len);
2915 break;
e2f74005
JM		 2916 case EVENT_SIGNAL_CHANGE:
2917 bgscan_notify_signal_change(
60a972a6 2918 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 2919 data->signal_change.current_signal,
2920 data->signal_change.current_noise,
2921 data->signal_change.current_txrate);
e2f74005 2922 break;
8401a6b0 2923 case EVENT_INTERFACE_ENABLED:
f049052b 2924 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 2925 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 2926 wpa_supplicant_update_mac_addr(wpa_s);
199716ad 2927#ifdef CONFIG_AP
9919f7a2
JB		 2928 if (!wpa_s->ap_iface) {
2929 wpa_supplicant_set_state(wpa_s,
2930 WPA_DISCONNECTED);
2931 wpa_supplicant_req_scan(wpa_s, 0, 0);
2932 } else
2933 wpa_supplicant_set_state(wpa_s,
2934 WPA_COMPLETED);
199716ad
BG		 2935#else /* CONFIG_AP */
2936 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
2937 wpa_supplicant_req_scan(wpa_s, 0, 0);
2938#endif /* CONFIG_AP */
8401a6b0
JM		 2939 }
2940 break;
2941 case EVENT_INTERFACE_DISABLED:
f049052b 2942 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
8401a6b0
JM		 2943 wpa_supplicant_mark_disassoc(wpa_s);
2944 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
2945 break;
b5c9da8d 2946 case EVENT_CHANNEL_LIST_CHANGED:
35c5d610
JM		 2947 if (wpa_s->drv_priv == NULL)
2948 break; /* Ignore event during drv initialization */
6979582c
JM		 2949
2950 free_hw_features(wpa_s);
2951 wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
2952 wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
2953
b5c9da8d
JM		 2954#ifdef CONFIG_P2P
2955 wpas_p2p_update_channel_list(wpa_s);
c973f386
JM		 2956#endif /* CONFIG_P2P */
2957 break;
2958 case EVENT_INTERFACE_UNAVAILABLE:
2959#ifdef CONFIG_P2P
2960 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 2961#endif /* CONFIG_P2P */
2962 break;
2963 case EVENT_BEST_CHANNEL:
f049052b
BG		 2964 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
2965 "(%d %d %d)",
2966 data->best_chan.freq_24, data->best_chan.freq_5,
2967 data->best_chan.freq_overall);
7cfc4ac3
AGS		 2968 wpa_s->best_24_freq = data->best_chan.freq_24;
2969 wpa_s->best_5_freq = data->best_chan.freq_5;
2970 wpa_s->best_overall_freq = data->best_chan.freq_overall;
2971#ifdef CONFIG_P2P
2972 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
2973 data->best_chan.freq_5,
2974 data->best_chan.freq_overall);
b5c9da8d
JM		 2975#endif /* CONFIG_P2P */
2976 break;
7d878ca7
JM		 2977 case EVENT_UNPROT_DEAUTH:
2978 wpa_supplicant_event_unprot_deauth(wpa_s,
2979 &data->unprot_deauth);
2980 break;
2981 case EVENT_UNPROT_DISASSOC:
2982 wpa_supplicant_event_unprot_disassoc(wpa_s,
2983 &data->unprot_disassoc);
2984 break;
0d7e5a3a
JB		 2985 case EVENT_STATION_LOW_ACK:
2986#ifdef CONFIG_AP
2987 if (wpa_s->ap_iface && data)
2988 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
2989 data->low_ack.addr);
2990#endif /* CONFIG_AP */
8f15f711
AN		 2991#ifdef CONFIG_TDLS
2992 if (data)
2993 wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr);
2994#endif /* CONFIG_TDLS */
0d7e5a3a 2995 break;
ea244d21
XC		 2996 case EVENT_IBSS_PEER_LOST:
2997#ifdef CONFIG_IBSS_RSN
2998 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
2999#endif /* CONFIG_IBSS_RSN */
3000 break;
b14a210c
JB		 3001 case EVENT_DRIVER_GTK_REKEY:
3002 if (os_memcmp(data->driver_gtk_rekey.bssid,
3003 wpa_s->bssid, ETH_ALEN))
3004 break;
3005 if (!wpa_s->wpa)
3006 break;
3007 wpa_sm_update_replay_ctr(wpa_s->wpa,
3008 data->driver_gtk_rekey.replay_ctr);
3009 break;
cbdf3507
LC		 3010 case EVENT_SCHED_SCAN_STOPPED:
3011 wpa_s->sched_scanning = 0;
3012 wpa_supplicant_notify_scanning(wpa_s, 0);
3013
9b6f44cb
JM		 3014 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3015 break;
3016
cbdf3507
LC		 3017 /*
3018 * If we timed out, start a new sched scan to continue
3019 * searching for more SSIDs.
3020 */
3021 if (wpa_s->sched_scan_timed_out)
3022 wpa_supplicant_req_sched_scan(wpa_s);
3023 break;
783fcb7d
GG		 3024 case EVENT_WPS_BUTTON_PUSHED:
3025#ifdef CONFIG_WPS
3026 wpas_wps_start_pbc(wpa_s, NULL, 0);
3027#endif /* CONFIG_WPS */
3028 break;
3140803b
RM		 3029 case EVENT_CONNECT_FAILED_REASON:
3030#ifdef CONFIG_AP
3031 if (!wpa_s->ap_iface || !data)
3032 break;
3033 hostapd_event_connect_failed_reason(
3034 wpa_s->ap_iface->bss[0],
3035 data->connect_failed_reason.addr,
3036 data->connect_failed_reason.code);
3037#endif /* CONFIG_AP */
3038 break;
6fc6879b 3039 default:
f049052b 3040 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 3041 break;
3042 }
3043}
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