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Update WPS IE on hostapd reconfiguration
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
8d923a4a 3 * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
6fc6879b
JM		 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
18#include "eapol_supp/eapol_supp_sm.h"
3acb5005 19#include "rsn_supp/wpa.h"
6fc6879b 20#include "eloop.h"
6fc6879b
JM		 21#include "config.h"
22#include "l2_packet/l2_packet.h"
23#include "wpa_supplicant_i.h"
2d5b792d 24#include "driver_i.h"
6fc6879b 25#include "pcsc_funcs.h"
3acb5005
JM		 26#include "rsn_supp/preauth.h"
27#include "rsn_supp/pmksa_cache.h"
90973fb2 28#include "common/wpa_ctrl.h"
6fc6879b 29#include "eap_peer/eap.h"
1d041bec 30#include "ap/hostapd.h"
8bac466b 31#include "notify.h"
90973fb2 32#include "common/ieee802_11_defs.h"
6fc6879b
JM		 33#include "blacklist.h"
34#include "wpas_glue.h"
351f09a2 35#include "wps_supplicant.h"
11ef8d35 36#include "ibss_rsn.h"
c2a04078 37#include "sme.h"
60b94c98 38#include "bgscan.h"
f8b1f695 39#include "ap.h"
6fa81a3b 40#include "bss.h"
245519e0 41#include "mlme.h"
9ba9fa07 42#include "scan.h"
6fc6879b
JM		 43
44
45static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
46{
8bac466b 47 struct wpa_ssid *ssid, *old_ssid;
6fc6879b
JM		 48
49 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
50 return 0;
51
52 wpa_printf(MSG_DEBUG, "Select network based on association "
53 "information");
54 ssid = wpa_supplicant_get_ssid(wpa_s);
55 if (ssid == NULL) {
56 wpa_printf(MSG_INFO, "No network configuration found for the "
57 "current AP");
58 return -1;
59 }
60
61 if (ssid->disabled) {
62 wpa_printf(MSG_DEBUG, "Selected network is disabled");
63 return -1;
64 }
65
66 wpa_printf(MSG_DEBUG, "Network configuration found for the current "
67 "AP");
68 if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
69 WPA_KEY_MGMT_WPA_NONE |
56586197
JM		 70 WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
71 WPA_KEY_MGMT_PSK_SHA256 |
72 WPA_KEY_MGMT_IEEE8021X_SHA256)) {
6fc6879b
JM		 73 u8 wpa_ie[80];
74 size_t wpa_ie_len = sizeof(wpa_ie);
75 wpa_supplicant_set_suites(wpa_s, NULL, ssid,
76 wpa_ie, &wpa_ie_len);
77 } else {
78 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
79 }
80
81 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
82 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 83 old_ssid = wpa_s->current_ssid;
6fc6879b
JM		 84 wpa_s->current_ssid = ssid;
85 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
86 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 87 if (old_ssid != wpa_s->current_ssid)
88 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 89
90 return 0;
91}
92
93
94static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
95 void *sock_ctx)
96{
97 struct wpa_supplicant *wpa_s = eloop_ctx;
98
99 if (wpa_s->countermeasures) {
100 wpa_s->countermeasures = 0;
101 wpa_drv_set_countermeasures(wpa_s, 0);
102 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
103 wpa_supplicant_req_scan(wpa_s, 0, 0);
104 }
105}
106
107
108void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
109{
8bac466b
JM		 110 int bssid_changed;
111
6fc6879b 112 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 113 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 114 os_memset(wpa_s->bssid, 0, ETH_ALEN);
115 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
be8be671 116 wpa_s->current_bss = NULL;
8bac466b
JM		 117 if (bssid_changed)
118 wpas_notify_bssid_changed(wpa_s);
119
6fc6879b
JM		 120 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
121 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
56586197 122 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
6fc6879b
JM		 123 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
124 wpa_s->ap_ies_from_associnfo = 0;
125}
126
127
128static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
129{
130 struct wpa_ie_data ie;
131 int pmksa_set = -1;
132 size_t i;
133
134 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
135 ie.pmkid == NULL)
136 return;
137
138 for (i = 0; i < ie.num_pmkid; i++) {
139 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
140 ie.pmkid + i * PMKID_LEN,
141 NULL, NULL, 0);
142 if (pmksa_set == 0) {
143 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
144 break;
145 }
146 }
147
148 wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA "
149 "cache", pmksa_set == 0 ? "" : "not ");
150}
151
152
153static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
154 union wpa_event_data *data)
155{
156 if (data == NULL) {
157 wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event");
158 return;
159 }
160 wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
161 " index=%d preauth=%d",
162 MAC2STR(data->pmkid_candidate.bssid),
163 data->pmkid_candidate.index,
164 data->pmkid_candidate.preauth);
165
166 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
167 data->pmkid_candidate.index,
168 data->pmkid_candidate.preauth);
169}
170
171
172static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
173{
174 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
175 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
176 return 0;
177
178#ifdef IEEE8021X_EAPOL
179 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
180 wpa_s->current_ssid &&
181 !(wpa_s->current_ssid->eapol_flags &
182 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
183 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
184 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
185 * plaintext or static WEP keys). */
186 return 0;
187 }
188#endif /* IEEE8021X_EAPOL */
189
190 return 1;
191}
192
193
194/**
195 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
196 * @wpa_s: pointer to wpa_supplicant data
197 * @ssid: Configuration data for the network
198 * Returns: 0 on success, -1 on failure
199 *
200 * This function is called when starting authentication with a network that is
201 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
202 */
203int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
204 struct wpa_ssid *ssid)
205{
206#ifdef IEEE8021X_EAPOL
207 int aka = 0, sim = 0, type;
208
209 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
210 return 0;
211
212 if (ssid->eap.eap_methods == NULL) {
213 sim = 1;
214 aka = 1;
215 } else {
216 struct eap_method_type *eap = ssid->eap.eap_methods;
217 while (eap->vendor != EAP_VENDOR_IETF ||
218 eap->method != EAP_TYPE_NONE) {
219 if (eap->vendor == EAP_VENDOR_IETF) {
220 if (eap->method == EAP_TYPE_SIM)
221 sim = 1;
222 else if (eap->method == EAP_TYPE_AKA)
223 aka = 1;
224 }
225 eap++;
226 }
227 }
228
229 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
230 sim = 0;
231 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL)
232 aka = 0;
233
234 if (!sim && !aka) {
235 wpa_printf(MSG_DEBUG, "Selected network is configured to use "
236 "SIM, but neither EAP-SIM nor EAP-AKA are enabled");
237 return 0;
238 }
239
240 wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM "
241 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
242 if (sim && aka)
243 type = SCARD_TRY_BOTH;
244 else if (aka)
245 type = SCARD_USIM_ONLY;
246 else
247 type = SCARD_GSM_SIM_ONLY;
248
249 wpa_s->scard = scard_init(type);
250 if (wpa_s->scard == NULL) {
251 wpa_printf(MSG_WARNING, "Failed to initialize SIM "
252 "(pcsc-lite)");
253 return -1;
254 }
255 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
256 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
257#endif /* IEEE8021X_EAPOL */
258
259 return 0;
260}
261
262
263#ifndef CONFIG_NO_SCAN_PROCESSING
264static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
265 struct wpa_ssid *ssid)
266{
267 int i, privacy = 0;
268
269 if (ssid->mixed_cell)
270 return 1;
271
0632542b
AT		 272#ifdef CONFIG_WPS
273 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
274 return 1;
275#endif /* CONFIG_WPS */
276
6fc6879b
JM		 277 for (i = 0; i < NUM_WEP_KEYS; i++) {
278 if (ssid->wep_key_len[i]) {
279 privacy = 1;
280 break;
281 }
282 }
283#ifdef IEEE8021X_EAPOL
284 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
285 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
286 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
287 privacy = 1;
288#endif /* IEEE8021X_EAPOL */
289
290 if (bss->caps & IEEE80211_CAP_PRIVACY)
291 return privacy;
292 return !privacy;
293}
294
295
a6099152
JM		 296static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
297 struct wpa_ssid *ssid,
6fc6879b
JM		 298 struct wpa_scan_res *bss)
299{
300 struct wpa_ie_data ie;
301 int proto_match = 0;
302 const u8 *rsn_ie, *wpa_ie;
351f09a2 303 int ret;
6fc6879b 304
a6099152 305 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 306 if (ret >= 0)
307 return ret;
ad08c363 308
6fc6879b
JM		 309 rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
310 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
311 proto_match++;
312
313 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
314 wpa_printf(MSG_DEBUG, " skip RSN IE - parse failed");
315 break;
316 }
317 if (!(ie.proto & ssid->proto)) {
318 wpa_printf(MSG_DEBUG, " skip RSN IE - proto "
319 "mismatch");
320 break;
321 }
322
323 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
324 wpa_printf(MSG_DEBUG, " skip RSN IE - PTK cipher "
325 "mismatch");
326 break;
327 }
328
329 if (!(ie.group_cipher & ssid->group_cipher)) {
330 wpa_printf(MSG_DEBUG, " skip RSN IE - GTK cipher "
331 "mismatch");
332 break;
333 }
334
335 if (!(ie.key_mgmt & ssid->key_mgmt)) {
336 wpa_printf(MSG_DEBUG, " skip RSN IE - key mgmt "
337 "mismatch");
338 break;
339 }
340
341#ifdef CONFIG_IEEE80211W
0b60b0aa 342 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
70f8cc8e 343 ssid->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) {
6fc6879b
JM		 344 wpa_printf(MSG_DEBUG, " skip RSN IE - no mgmt frame "
345 "protection");
346 break;
347 }
348#endif /* CONFIG_IEEE80211W */
349
350 wpa_printf(MSG_DEBUG, " selected based on RSN IE");
351 return 1;
352 }
353
354 wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
355 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
356 proto_match++;
357
358 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
359 wpa_printf(MSG_DEBUG, " skip WPA IE - parse failed");
360 break;
361 }
362 if (!(ie.proto & ssid->proto)) {
363 wpa_printf(MSG_DEBUG, " skip WPA IE - proto "
364 "mismatch");
365 break;
366 }
367
368 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
369 wpa_printf(MSG_DEBUG, " skip WPA IE - PTK cipher "
370 "mismatch");
371 break;
372 }
373
374 if (!(ie.group_cipher & ssid->group_cipher)) {
375 wpa_printf(MSG_DEBUG, " skip WPA IE - GTK cipher "
376 "mismatch");
377 break;
378 }
379
380 if (!(ie.key_mgmt & ssid->key_mgmt)) {
381 wpa_printf(MSG_DEBUG, " skip WPA IE - key mgmt "
382 "mismatch");
383 break;
384 }
385
386 wpa_printf(MSG_DEBUG, " selected based on WPA IE");
387 return 1;
388 }
389
390 if (proto_match == 0)
391 wpa_printf(MSG_DEBUG, " skip - no WPA/RSN proto match");
392
393 return 0;
394}
395
396
b766a9a2
JM		 397static int freq_allowed(int *freqs, int freq)
398{
399 int i;
400
401 if (freqs == NULL)
402 return 1;
403
404 for (i = 0; freqs[i]; i++)
405 if (freqs[i] == freq)
406 return 1;
407 return 0;
408}
409
410
6fa81a3b 411static struct wpa_bss *
9cf32261 412wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
a1fd2ce5 413 struct wpa_scan_results *scan_res,
9cf32261
JM		 414 struct wpa_ssid *group,
415 struct wpa_ssid **selected_ssid)
6fc6879b
JM		 416{
417 struct wpa_ssid *ssid;
9cf32261 418 struct wpa_scan_res *bss;
6fc6879b
JM		 419 size_t i;
420 struct wpa_blacklist *e;
421 const u8 *ie;
422
6fc6879b 423 wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP");
a1fd2ce5 424 for (i = 0; i < scan_res->num; i++) {
6fc6879b
JM		 425 const u8 *ssid_;
426 u8 wpa_ie_len, rsn_ie_len, ssid_len;
a1fd2ce5 427 bss = scan_res->res[i];
6fc6879b
JM		 428
429 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
430 ssid_ = ie ? ie + 2 : (u8 *) "";
431 ssid_len = ie ? ie[1] : 0;
432
433 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
434 wpa_ie_len = ie ? ie[1] : 0;
435
436 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
437 rsn_ie_len = ie ? ie[1] : 0;
438
439 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
440 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
441 (int) i, MAC2STR(bss->bssid),
442 wpa_ssid_txt(ssid_, ssid_len),
443 wpa_ie_len, rsn_ie_len, bss->caps);
9cf32261 444
6fc6879b
JM		 445 e = wpa_blacklist_get(wpa_s, bss->bssid);
446 if (e && e->count > 1) {
447 wpa_printf(MSG_DEBUG, " skip - blacklisted");
448 continue;
449 }
450
e81634cd
JM		 451 if (ssid_len == 0) {
452 wpa_printf(MSG_DEBUG, " skip - SSID not known");
453 continue;
454 }
455
6fc6879b
JM		 456 if (wpa_ie_len == 0 && rsn_ie_len == 0) {
457 wpa_printf(MSG_DEBUG, " skip - no WPA/RSN IE");
458 continue;
459 }
460
461 for (ssid = group; ssid; ssid = ssid->pnext) {
ad08c363
JM		 462 int check_ssid = 1;
463
6fc6879b
JM		 464 if (ssid->disabled) {
465 wpa_printf(MSG_DEBUG, " skip - disabled");
466 continue;
467 }
9cf32261 468
ad08c363
JM		 469#ifdef CONFIG_WPS
470 if (ssid->ssid_len == 0 &&
a6099152 471 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363
JM		 472 check_ssid = 0;
473#endif /* CONFIG_WPS */
474
475 if (check_ssid &&
476 (ssid_len != ssid->ssid_len ||
477 os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
6fc6879b
JM		 478 wpa_printf(MSG_DEBUG, " skip - "
479 "SSID mismatch");
480 continue;
481 }
9cf32261 482
6fc6879b
JM		 483 if (ssid->bssid_set &&
484 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
485 {
486 wpa_printf(MSG_DEBUG, " skip - "
487 "BSSID mismatch");
488 continue;
489 }
9cf32261 490
a6099152 491 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
9cf32261
JM		 492 continue;
493
b766a9a2
JM		 494 if (!freq_allowed(ssid->freq_list, bss->freq)) {
495 wpa_printf(MSG_DEBUG, " skip - "
496 "frequency not allowed");
497 continue;
498 }
499
9cf32261
JM		 500 wpa_printf(MSG_DEBUG, " selected WPA AP "
501 MACSTR " ssid='%s'",
502 MAC2STR(bss->bssid),
503 wpa_ssid_txt(ssid_, ssid_len));
504 *selected_ssid = ssid;
6fa81a3b 505 return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
6fc6879b
JM		 506 }
507 }
508
9cf32261
JM		 509 return NULL;
510}
511
512
6fa81a3b 513static struct wpa_bss *
9cf32261 514wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
a1fd2ce5 515 struct wpa_scan_results *scan_res,
9cf32261
JM		 516 struct wpa_ssid *group,
517 struct wpa_ssid **selected_ssid)
518{
519 struct wpa_ssid *ssid;
520 struct wpa_scan_res *bss;
521 size_t i;
522 struct wpa_blacklist *e;
523 const u8 *ie;
524
6fc6879b 525 wpa_printf(MSG_DEBUG, "Try to find non-WPA AP");
a1fd2ce5 526 for (i = 0; i < scan_res->num; i++) {
6fc6879b
JM		 527 const u8 *ssid_;
528 u8 wpa_ie_len, rsn_ie_len, ssid_len;
a1fd2ce5 529 bss = scan_res->res[i];
6fc6879b
JM		 530
531 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
532 ssid_ = ie ? ie + 2 : (u8 *) "";
533 ssid_len = ie ? ie[1] : 0;
534
535 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
536 wpa_ie_len = ie ? ie[1] : 0;
537
538 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
539 rsn_ie_len = ie ? ie[1] : 0;
540
541 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
542 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
543 (int) i, MAC2STR(bss->bssid),
544 wpa_ssid_txt(ssid_, ssid_len),
545 wpa_ie_len, rsn_ie_len, bss->caps);
9cf32261 546
6fc6879b
JM		 547 e = wpa_blacklist_get(wpa_s, bss->bssid);
548 if (e && e->count > 1) {
549 wpa_printf(MSG_DEBUG, " skip - blacklisted");
550 continue;
551 }
9cf32261 552
e81634cd
JM		 553 if (ssid_len == 0) {
554 wpa_printf(MSG_DEBUG, " skip - SSID not known");
555 continue;
556 }
557
6fc6879b 558 for (ssid = group; ssid; ssid = ssid->pnext) {
ad08c363
JM		 559 int check_ssid = ssid->ssid_len != 0;
560
6fc6879b
JM		 561 if (ssid->disabled) {
562 wpa_printf(MSG_DEBUG, " skip - disabled");
563 continue;
564 }
9cf32261 565
ad08c363
JM		 566#ifdef CONFIG_WPS
567 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
568 /* Only allow wildcard SSID match if an AP
569 * advertises active WPS operation that matches
570 * with our mode. */
571 check_ssid = 1;
572 if (ssid->ssid_len == 0 &&
a6099152
JM		 573 wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
574 bss))
ad08c363
JM		 575 check_ssid = 0;
576 }
577#endif /* CONFIG_WPS */
578
579 if (check_ssid &&
6fc6879b
JM		 580 (ssid_len != ssid->ssid_len ||
581 os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
582 wpa_printf(MSG_DEBUG, " skip - "
583 "SSID mismatch");
584 continue;
585 }
586
587 if (ssid->bssid_set &&
588 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
589 {
590 wpa_printf(MSG_DEBUG, " skip - "
591 "BSSID mismatch");
592 continue;
593 }
1bd3f426 594
6fc6879b 595 if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
ad08c363 596 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
6fc6879b
JM		 597 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
598 {
599 wpa_printf(MSG_DEBUG, " skip - "
600 "non-WPA network not allowed");
601 continue;
602 }
603
1bd3f426 604 if ((ssid->key_mgmt &
56586197
JM		 605 (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
606 WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
607 WPA_KEY_MGMT_IEEE8021X_SHA256 |
608 WPA_KEY_MGMT_PSK_SHA256)) &&
6fc6879b
JM		 609 (wpa_ie_len != 0 || rsn_ie_len != 0)) {
610 wpa_printf(MSG_DEBUG, " skip - "
611 "WPA network");
612 continue;
613 }
614
615 if (!wpa_supplicant_match_privacy(bss, ssid)) {
616 wpa_printf(MSG_DEBUG, " skip - "
617 "privacy mismatch");
618 continue;
619 }
620
621 if (bss->caps & IEEE80211_CAP_IBSS) {
622 wpa_printf(MSG_DEBUG, " skip - "
623 "IBSS (adhoc) network");
624 continue;
625 }
626
b766a9a2
JM		 627 if (!freq_allowed(ssid->freq_list, bss->freq)) {
628 wpa_printf(MSG_DEBUG, " skip - "
629 "frequency not allowed");
630 continue;
631 }
632
6fc6879b
JM		 633 wpa_printf(MSG_DEBUG, " selected non-WPA AP "
634 MACSTR " ssid='%s'",
635 MAC2STR(bss->bssid),
636 wpa_ssid_txt(ssid_, ssid_len));
9cf32261 637 *selected_ssid = ssid;
6fa81a3b 638 return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
6fc6879b
JM		 639 }
640 }
641
9cf32261
JM		 642 return NULL;
643}
644
645
6fa81a3b 646static struct wpa_bss *
a1fd2ce5
JM		 647wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
648 struct wpa_scan_results *scan_res,
649 struct wpa_ssid *group,
9cf32261
JM		 650 struct wpa_ssid **selected_ssid)
651{
6fa81a3b 652 struct wpa_bss *selected;
9cf32261
JM		 653
654 wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
655 group->priority);
656
657 /* First, try to find WPA-enabled AP */
a1fd2ce5
JM		 658 selected = wpa_supplicant_select_bss_wpa(wpa_s, scan_res, group,
659 selected_ssid);
9cf32261
JM		 660 if (selected)
661 return selected;
662
663 /* If no WPA-enabled AP found, try to find non-WPA AP, if configuration
664 * allows this. */
a1fd2ce5
JM		 665 return wpa_supplicant_select_bss_non_wpa(wpa_s, scan_res, group,
666 selected_ssid);
6fc6879b
JM		 667}
668
669
6fa81a3b 670static struct wpa_bss *
09b9df4e 671wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
a1fd2ce5 672 struct wpa_scan_results *scan_res,
09b9df4e 673 struct wpa_ssid **selected_ssid)
6fc6879b 674{
6fa81a3b 675 struct wpa_bss *selected = NULL;
09b9df4e
JM		 676 int prio;
677
678 while (selected == NULL) {
679 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
680 selected = wpa_supplicant_select_bss(
a1fd2ce5 681 wpa_s, scan_res, wpa_s->conf->pssid[prio],
09b9df4e
JM		 682 selected_ssid);
683 if (selected)
684 break;
685 }
686
687 if (selected == NULL && wpa_s->blacklist) {
688 wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
689 "and try again");
690 wpa_blacklist_clear(wpa_s);
691 wpa_s->blacklist_cleared++;
692 } else if (selected == NULL)
693 break;
694 }
695
696 return selected;
697}
698
699
700static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 701 int timeout_sec, int timeout_usec)
09b9df4e
JM		 702{
703 if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
704 /*
705 * Quick recovery if the initial scan results were not
706 * complete when fetched before the first scan request.
707 */
708 wpa_s->scan_res_tried++;
977b1174
JM		 709 timeout_sec = 0;
710 timeout_usec = 0;
4f34d51a
SL		 711 } else if (!wpa_supplicant_enabled_networks(wpa_s->conf)) {
712 /*
713 * No networks are enabled; short-circuit request so
714 * we don't wait timeout seconds before transitioning
715 * to INACTIVE state.
716 */
717 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
718 return;
09b9df4e 719 }
977b1174 720 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 721}
722
723
86d4f806
JM		 724void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
725 struct wpa_bss *selected,
726 struct wpa_ssid *ssid)
09b9df4e
JM		 727{
728 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
729 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
730 "PBC session overlap");
977b1174 731 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
09b9df4e
JM		 732 return;
733 }
734
735 /*
736 * Do not trigger new association unless the BSSID has changed or if
737 * reassociation is requested. If we are in process of associating with
738 * the selected BSSID, do not trigger new attempt.
739 */
740 if (wpa_s->reassociate ||
741 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
742 (wpa_s->wpa_state != WPA_ASSOCIATING ||
743 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
744 0))) {
745 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 746 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
09b9df4e
JM		 747 return;
748 }
749 wpa_supplicant_associate(wpa_s, selected, ssid);
750 } else {
751 wpa_printf(MSG_DEBUG, "Already associated with the selected "
752 "AP");
753 }
09b9df4e
JM		 754}
755
756
b55aaa5f
JM		 757static struct wpa_ssid *
758wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
759{
760 int prio;
761 struct wpa_ssid *ssid;
762
763 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
764 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
765 {
766 if (ssid->disabled)
767 continue;
768 if (ssid->mode == IEEE80211_MODE_IBSS ||
769 ssid->mode == IEEE80211_MODE_AP)
770 return ssid;
771 }
772 }
773 return NULL;
774}
775
776
a1fd2ce5
JM		 777/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
778 * on BSS added and BSS changed events */
6ae93185 779static void wpa_supplicant_rsn_preauth_scan_results(
a1fd2ce5 780 struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
6ae93185
JM		 781{
782 int i;
783
784 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
785 return;
786
a1fd2ce5 787 for (i = scan_res->num - 1; i >= 0; i--) {
6ae93185
JM		 788 const u8 *ssid, *rsn;
789 struct wpa_scan_res *r;
790
a1fd2ce5 791 r = scan_res->res[i];
6ae93185
JM		 792
793 ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
794 if (ssid == NULL)
795 continue;
796
797 rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
798 if (rsn == NULL)
799 continue;
800
801 rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
802 }
803
804}
805
806
48563d86
JM		 807static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
808 struct wpa_bss *selected,
809 struct wpa_ssid *ssid,
810 struct wpa_scan_results *scan_res)
811{
812 size_t i;
813 struct wpa_scan_res *current_bss = NULL;
814 int min_diff;
815
816 if (wpa_s->reassociate)
817 return 1; /* explicit request to reassociate */
818 if (wpa_s->wpa_state < WPA_ASSOCIATED)
819 return 1; /* we are not associated; continue */
820 if (wpa_s->current_ssid == NULL)
821 return 1; /* unknown current SSID */
822 if (wpa_s->current_ssid != ssid)
823 return 1; /* different network block */
824
825 for (i = 0; i < scan_res->num; i++) {
826 struct wpa_scan_res *res = scan_res->res[i];
827 const u8 *ie;
828 if (os_memcmp(res->bssid, wpa_s->bssid, ETH_ALEN) != 0)
829 continue;
830
831 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
832 if (ie == NULL)
833 continue;
834 if (ie[1] != wpa_s->current_ssid->ssid_len ||
835 os_memcmp(ie + 2, wpa_s->current_ssid->ssid, ie[1]) != 0)
836 continue;
837 current_bss = res;
838 break;
839 }
840
841 if (!current_bss)
842 return 1; /* current BSS not seen in scan results */
843
844 wpa_printf(MSG_DEBUG, "Considering within-ESS reassociation");
845 wpa_printf(MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
846 MAC2STR(current_bss->bssid), current_bss->level);
847 wpa_printf(MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
848 MAC2STR(selected->bssid), selected->level);
849
ac26ebd8
JM		 850 if (wpa_s->current_ssid->bssid_set &&
851 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
852 0) {
853 wpa_printf(MSG_DEBUG, "Allow reassociation - selected BSS has "
854 "preferred BSSID");
855 return 1;
856 }
857
48563d86
JM		 858 min_diff = 2;
859 if (current_bss->level < 0) {
860 if (current_bss->level < -85)
861 min_diff = 1;
862 else if (current_bss->level < -80)
863 min_diff = 2;
864 else if (current_bss->level < -75)
865 min_diff = 3;
866 else if (current_bss->level < -70)
867 min_diff = 4;
868 else
869 min_diff = 5;
870 }
871 if (abs(current_bss->level - selected->level) < min_diff) {
872 wpa_printf(MSG_DEBUG, "Skip roam - too small difference in "
873 "signal level");
874 return 0;
875 }
876
877 return 1;
878}
879
880
8d923a4a
JM		 881static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
882 union wpa_event_data *data)
09b9df4e 883{
6fa81a3b 884 struct wpa_bss *selected;
6fc6879b 885 struct wpa_ssid *ssid = NULL;
a1fd2ce5 886 struct wpa_scan_results *scan_res;
6fc6879b 887
cb8564b1
DW		 888 wpa_supplicant_notify_scanning(wpa_s, 0);
889
a1fd2ce5
JM		 890 scan_res = wpa_supplicant_get_scan_results(wpa_s,
891 data ? &data->scan_info :
892 NULL, 1);
893 if (scan_res == NULL) {
6fc6879b
JM		 894 if (wpa_s->conf->ap_scan == 2)
895 return;
896 wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
897 "scanning again");
977b1174 898 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
09b9df4e 899 return;
6fc6879b
JM		 900 }
901
64e58f51
JM		 902 if (wpa_s->scan_res_handler) {
903 wpa_s->scan_res_handler(wpa_s, scan_res);
904 wpa_s->scan_res_handler = NULL;
905 wpa_scan_results_free(scan_res);
906 return;
907 }
908
23e07237
DN		 909 /*
910 * Don't post the results if this was the initial cached
911 * and there were no results.
912 */
913 if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
a1fd2ce5 914 scan_res->num == 0) {
23e07237
DN		 915 wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
916 "empty - not posting");
917 } else {
69856fad
JM		 918 wpa_printf(MSG_DEBUG, "New scan results available");
919 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
8bac466b 920 wpas_notify_scan_results(wpa_s);
23e07237 921 }
6fc6879b 922
8bac466b
JM		 923 wpas_notify_scan_done(wpa_s, 1);
924
a1fd2ce5
JM		 925 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
926 wpa_scan_results_free(scan_res);
6fc6879b 927 return;
a1fd2ce5 928 }
6fc6879b 929
3180d7a2
SO		 930 if (wpa_s->disconnected) {
931 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
a1fd2ce5 932 wpa_scan_results_free(scan_res);
3180d7a2
SO		 933 return;
934 }
935
a1fd2ce5
JM		 936 if (bgscan_notify_scan(wpa_s) == 1) {
937 wpa_scan_results_free(scan_res);
60b94c98 938 return;
a1fd2ce5
JM		 939 }
940
941 wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
60b94c98 942
a1fd2ce5 943 selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
6ae93185 944
6fc6879b 945 if (selected) {
48563d86
JM		 946 int skip;
947 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid,
948 scan_res);
949 wpa_scan_results_free(scan_res);
950 if (skip)
951 return;
09b9df4e 952 wpa_supplicant_connect(wpa_s, selected, ssid);
6fc6879b 953 } else {
48563d86 954 wpa_scan_results_free(scan_res);
09b9df4e 955 wpa_printf(MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 956 ssid = wpa_supplicant_pick_new_network(wpa_s);
957 if (ssid) {
958 wpa_printf(MSG_DEBUG, "Setup a new network");
959 wpa_supplicant_associate(wpa_s, NULL, ssid);
977b1174
JM		 960 } else {
961 int timeout_sec = 5;
962 int timeout_usec = 0;
963 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
964 timeout_usec);
965 }
6fc6879b 966 }
6fc6879b
JM		 967}
968#endif /* CONFIG_NO_SCAN_PROCESSING */
969
970
579ce771
JM		 971static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
972 union wpa_event_data *data)
6fc6879b
JM		 973{
974 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 975 const u8 *p;
6fc6879b
JM		 976
977 wpa_printf(MSG_DEBUG, "Association info event");
978 if (data->assoc_info.req_ies)
979 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
980 data->assoc_info.req_ies_len);
981 if (data->assoc_info.resp_ies)
982 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
983 data->assoc_info.resp_ies_len);
984 if (data->assoc_info.beacon_ies)
985 wpa_hexdump(MSG_DEBUG, "beacon_ies",
986 data->assoc_info.beacon_ies,
987 data->assoc_info.beacon_ies_len);
4832ecd7
JM		 988 if (data->assoc_info.freq)
989 wpa_printf(MSG_DEBUG, "freq=%u MHz", data->assoc_info.freq);
6fc6879b
JM		 990
991 p = data->assoc_info.req_ies;
992 l = data->assoc_info.req_ies_len;
993
994 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
995 while (p && l >= 2) {
996 len = p[1] + 2;
997 if (len > l) {
998 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
999 p, l);
1000 break;
1001 }
1002 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1003 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1004 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1005 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1006 break;
1007 found = 1;
1008 wpa_find_assoc_pmkid(wpa_s);
1009 break;
1010 }
1011 l -= len;
1012 p += len;
1013 }
1014 if (!found && data->assoc_info.req_ies)
1015 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1016
c2a04078 1017#ifdef CONFIG_IEEE80211R
62c72d72
JM		 1018#ifdef CONFIG_SME
1019 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
1020 u8 bssid[ETH_ALEN];
1021 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1022 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1023 data->assoc_info.resp_ies,
1024 data->assoc_info.resp_ies_len,
1025 bssid) < 0) {
1026 wpa_printf(MSG_DEBUG, "FT: Validation of "
1027 "Reassociation Response failed");
579ce771
JM		 1028 wpa_supplicant_deauthenticate(
1029 wpa_s, WLAN_REASON_INVALID_IE);
1030 return -1;
62c72d72
JM		 1031 }
1032 }
62c72d72 1033
c2a04078
JM		 1034 p = data->assoc_info.resp_ies;
1035 l = data->assoc_info.resp_ies_len;
1036
e7846b68 1037 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 1038 while (p && l >= 2) {
1039 len = p[1] + 2;
1040 if (len > l) {
1041 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1042 p, l);
1043 break;
1044 }
e7846b68
JM		 1045 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1046 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1047 wpa_s->sme.ft_used = 1;
1048 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1049 MOBILITY_DOMAIN_ID_LEN);
1050 break;
1051 }
c2a04078
JM		 1052 l -= len;
1053 p += len;
1054 }
e7846b68 1055#endif /* CONFIG_SME */
c2a04078 1056
e7846b68
JM		 1057 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1058 data->assoc_info.resp_ies_len);
c2a04078
JM		 1059#endif /* CONFIG_IEEE80211R */
1060
6fc6879b
JM		 1061 /* WPA/RSN IE from Beacon/ProbeResp */
1062 p = data->assoc_info.beacon_ies;
1063 l = data->assoc_info.beacon_ies_len;
1064
1065 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1066 */
1067 wpa_found = rsn_found = 0;
1068 while (p && l >= 2) {
1069 len = p[1] + 2;
1070 if (len > l) {
1071 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1072 p, l);
1073 break;
1074 }
1075 if (!wpa_found &&
1076 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1077 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1078 wpa_found = 1;
1079 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1080 }
1081
1082 if (!rsn_found &&
1083 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1084 rsn_found = 1;
1085 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1086 }
1087
1088 l -= len;
1089 p += len;
1090 }
1091
1092 if (!wpa_found && data->assoc_info.beacon_ies)
1093 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1094 if (!rsn_found && data->assoc_info.beacon_ies)
1095 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1096 if (wpa_found || rsn_found)
1097 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7
JM		 1098
1099 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 1100
1101 return 0;
6fc6879b
JM		 1102}
1103
1104
1105static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1106 union wpa_event_data *data)
1107{
1108 u8 bssid[ETH_ALEN];
1d041bec 1109 int ft_completed;
8bac466b 1110 int bssid_changed;
0194fedb 1111 struct wpa_driver_capa capa;
6fc6879b 1112
1d041bec
JM		 1113#ifdef CONFIG_AP
1114 if (wpa_s->ap_iface) {
1115 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1116 data->assoc_info.addr,
1117 data->assoc_info.req_ies,
1118 data->assoc_info.req_ies_len);
1119 return;
1120 }
1121#endif /* CONFIG_AP */
1122
1123 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 1124 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1125 return;
6fc6879b
JM		 1126
1127 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
c2a04078 1128 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
6fc6879b 1129 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
c2a04078 1130 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
6fc6879b
JM		 1131 (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
1132 os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
1133 wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
1134 MACSTR, MAC2STR(bssid));
8bac466b 1135 bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN);
6fc6879b
JM		 1136 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1137 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
8bac466b
JM		 1138 if (bssid_changed)
1139 wpas_notify_bssid_changed(wpa_s);
1140
6fc6879b
JM		 1141 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1142 wpa_clear_keys(wpa_s, bssid);
1143 }
1144 if (wpa_supplicant_select_config(wpa_s) < 0) {
1145 wpa_supplicant_disassociate(
1146 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1147 return;
1148 }
8f770587
JM		 1149 if (wpa_s->current_ssid) {
1150 struct wpa_bss *bss = NULL;
1151 struct wpa_ssid *ssid = wpa_s->current_ssid;
1152 if (ssid->ssid_len > 0)
1153 bss = wpa_bss_get(wpa_s, bssid,
1154 ssid->ssid, ssid->ssid_len);
1155 if (!bss)
1156 bss = wpa_bss_get_bssid(wpa_s, bssid);
1157 if (bss)
1158 wpa_s->current_bss = bss;
1159 }
6fc6879b
JM		 1160 }
1161
62fa124c
JM		 1162#ifdef CONFIG_SME
1163 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1164 wpa_s->sme.prev_bssid_set = 1;
1165#endif /* CONFIG_SME */
1166
6fc6879b
JM		 1167 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1168 if (wpa_s->current_ssid) {
1169 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1170 * initialized before association, but for other modes,
1171 * initialize PC/SC here, if the current configuration needs
1172 * smartcard or SIM/USIM. */
1173 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1174 }
1175 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
1176 l2_packet_notify_auth_start(wpa_s->l2);
1177
1178 /*
1179 * Set portEnabled first to FALSE in order to get EAP state machine out
1180 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1181 * state machine may transit to AUTHENTICATING state based on obsolete
1182 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1183 * AUTHENTICATED without ever giving chance to EAP state machine to
1184 * reset the state.
1185 */
1186 if (!ft_completed) {
1187 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1188 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1189 }
56586197 1190 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
6fc6879b
JM		 1191 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1192 /* 802.1X::portControl = Auto */
1193 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1194 wpa_s->eapol_received = 0;
1195 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 1196 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1197 (wpa_s->current_ssid &&
1198 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
6fc6879b
JM		 1199 wpa_supplicant_cancel_auth_timeout(wpa_s);
1200 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1201 } else if (!ft_completed) {
1202 /* Timeout for receiving the first EAPOL packet */
1203 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1204 }
1205 wpa_supplicant_cancel_scan(wpa_s);
1206
c2a04078 1207 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 1208 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1209 /*
1210 * We are done; the driver will take care of RSN 4-way
1211 * handshake.
1212 */
1213 wpa_supplicant_cancel_auth_timeout(wpa_s);
1214 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1215 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1216 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1217 }
1ff73338
JM		 1218
1219 if (wpa_s->pending_eapol_rx) {
1220 struct os_time now, age;
1221 os_get_time(&now);
1222 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1223 if (age.sec == 0 && age.usec < 100000 &&
1224 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1225 0) {
1226 wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
1227 "that was received just before association "
1228 "notification");
1229 wpa_supplicant_rx_eapol(
1230 wpa_s, wpa_s->pending_eapol_rx_src,
1231 wpabuf_head(wpa_s->pending_eapol_rx),
1232 wpabuf_len(wpa_s->pending_eapol_rx));
1233 }
1234 wpabuf_free(wpa_s->pending_eapol_rx);
1235 wpa_s->pending_eapol_rx = NULL;
1236 }
60b94c98
JM		 1237
1238#ifdef CONFIG_BGSCAN
1239 if (wpa_s->current_ssid != wpa_s->bgscan_ssid) {
1240 bgscan_deinit(wpa_s);
1241 if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
1242 if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
1243 wpa_printf(MSG_DEBUG, "Failed to initialize "
1244 "bgscan");
1245 /*
1246 * Live without bgscan; it is only used as a
1247 * roaming optimization, so the initial
1248 * connection is not affected.
1249 */
1250 } else
1251 wpa_s->bgscan_ssid = wpa_s->current_ssid;
1252 } else
1253 wpa_s->bgscan_ssid = NULL;
1254 }
1255#endif /* CONFIG_BGSCAN */
0194fedb
JB		 1256
1257 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1258 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
1259 wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
1260 capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) {
1261 /* Set static WEP keys again */
1262 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1263 }
6fc6879b
JM		 1264}
1265
1266
0544b242
JM		 1267static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
1268 u16 reason_code)
6fc6879b
JM		 1269{
1270 const u8 *bssid;
6d6f4bb8
JM		 1271#ifdef CONFIG_SME
1272 int authenticating;
1273 u8 prev_pending_bssid[ETH_ALEN];
1274
1275 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
1276 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
1277#endif /* CONFIG_SME */
6fc6879b
JM		 1278
1279 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1280 /*
1281 * At least Host AP driver and a Prism3 card seemed to be
1282 * generating streams of disconnected events when configuring
1283 * IBSS for WPA-None. Ignore them for now.
1284 */
1285 wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
1286 "IBSS/WPA-None mode");
1287 return;
1288 }
1289
1290 if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
56586197 1291 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1292 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
1293 "pre-shared key may be incorrect");
1294 }
1295 if (wpa_s->wpa_state >= WPA_ASSOCIATED)
1296 wpa_supplicant_req_scan(wpa_s, 0, 100000);
1297 bssid = wpa_s->bssid;
a8e16edc 1298 if (is_zero_ether_addr(bssid))
6fc6879b
JM		 1299 bssid = wpa_s->pending_bssid;
1300 wpa_blacklist_add(wpa_s, bssid);
1301 wpa_sm_notify_disassoc(wpa_s->wpa);
0544b242
JM		 1302 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
1303 " reason=%d",
1304 MAC2STR(bssid), reason_code);
6fc6879b 1305 if (wpa_supplicant_dynamic_keys(wpa_s)) {
0544b242 1306 wpa_printf(MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 1307 wpa_s->keys_cleared = 0;
1308 wpa_clear_keys(wpa_s, wpa_s->bssid);
1309 }
1310 wpa_supplicant_mark_disassoc(wpa_s);
60b94c98 1311 bgscan_deinit(wpa_s);
6d6f4bb8
JM		 1312#ifdef CONFIG_SME
1313 if (authenticating &&
1314 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
1315 /*
1316 * mac80211-workaround to force deauth on failed auth cmd,
1317 * requires us to remain in authenticating state to allow the
1318 * second authentication attempt to be continued properly.
1319 */
1320 wpa_printf(MSG_DEBUG, "SME: Allow pending authentication to "
1321 "proceed after disconnection event");
1322 wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
1323 os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN);
1324 }
1325#endif /* CONFIG_SME */
6fc6879b
JM		 1326}
1327
1328
46690a3b
JM		 1329#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1330static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
1331 void *sock_ctx)
1332{
1333 struct wpa_supplicant *wpa_s = eloop_ctx;
1334
1335 if (!wpa_s->pending_mic_error_report)
1336 return;
1337
1338 wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report");
1339 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
1340 wpa_s->pending_mic_error_report = 0;
1341}
1342#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1343
1344
6fc6879b
JM		 1345static void
1346wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
1347 union wpa_event_data *data)
1348{
1349 int pairwise;
1350 struct os_time t;
1351
1352 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
1353 pairwise = (data && data->michael_mic_failure.unicast);
6fc6879b 1354 os_get_time(&t);
46690a3b
JM		 1355 if ((wpa_s->last_michael_mic_error &&
1356 t.sec - wpa_s->last_michael_mic_error <= 60) ||
1357 wpa_s->pending_mic_error_report) {
1358 if (wpa_s->pending_mic_error_report) {
1359 /*
1360 * Send the pending MIC error report immediately since
1361 * we are going to start countermeasures and AP better
1362 * do the same.
1363 */
1364 wpa_sm_key_request(wpa_s->wpa, 1,
1365 wpa_s->pending_mic_error_pairwise);
1366 }
1367
1368 /* Send the new MIC error report immediately since we are going
1369 * to start countermeasures and AP better do the same.
1370 */
1371 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1372
6fc6879b
JM		 1373 /* initialize countermeasures */
1374 wpa_s->countermeasures = 1;
1375 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
1376
1377 /*
1378 * Need to wait for completion of request frame. We do not get
1379 * any callback for the message completion, so just wait a
1380 * short while and hope for the best. */
1381 os_sleep(0, 10000);
1382
1383 wpa_drv_set_countermeasures(wpa_s, 1);
1384 wpa_supplicant_deauthenticate(wpa_s,
1385 WLAN_REASON_MICHAEL_MIC_FAILURE);
1386 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
1387 wpa_s, NULL);
1388 eloop_register_timeout(60, 0,
1389 wpa_supplicant_stop_countermeasures,
1390 wpa_s, NULL);
1391 /* TODO: mark the AP rejected for 60 second. STA is
1392 * allowed to associate with another AP.. */
46690a3b
JM		 1393 } else {
1394#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1395 if (wpa_s->mic_errors_seen) {
1396 /*
1397 * Reduce the effectiveness of Michael MIC error
1398 * reports as a means for attacking against TKIP if
1399 * more than one MIC failure is noticed with the same
1400 * PTK. We delay the transmission of the reports by a
1401 * random time between 0 and 60 seconds in order to
1402 * force the attacker wait 60 seconds before getting
1403 * the information on whether a frame resulted in a MIC
1404 * failure.
1405 */
1406 u8 rval[4];
1407 int sec;
1408
1409 if (os_get_random(rval, sizeof(rval)) < 0)
1410 sec = os_random() % 60;
1411 else
1412 sec = WPA_GET_BE32(rval) % 60;
1413 wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d "
1414 "seconds", sec);
1415 wpa_s->pending_mic_error_report = 1;
1416 wpa_s->pending_mic_error_pairwise = pairwise;
1417 eloop_cancel_timeout(
1418 wpa_supplicant_delayed_mic_error_report,
1419 wpa_s, NULL);
1420 eloop_register_timeout(
1421 sec, os_random() % 1000000,
1422 wpa_supplicant_delayed_mic_error_report,
1423 wpa_s, NULL);
1424 } else {
1425 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1426 }
1427#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1428 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1429#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b
JM		 1430 }
1431 wpa_s->last_michael_mic_error = t.sec;
46690a3b 1432 wpa_s->mic_errors_seen++;
6fc6879b
JM		 1433}
1434
1435
a83d9c96
SL		 1436#ifdef CONFIG_TERMINATE_ONLASTIF
1437static int any_interfaces(struct wpa_supplicant *head)
1438{
1439 struct wpa_supplicant *wpa_s;
1440
1441 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
1442 if (!wpa_s->interface_removed)
1443 return 1;
1444 return 0;
1445}
1446#endif /* CONFIG_TERMINATE_ONLASTIF */
1447
1448
6fc6879b
JM		 1449static void
1450wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
1451 union wpa_event_data *data)
1452{
1453 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
1454 return;
1455
1456 switch (data->interface_status.ievent) {
1457 case EVENT_INTERFACE_ADDED:
1458 if (!wpa_s->interface_removed)
1459 break;
1460 wpa_s->interface_removed = 0;
1461 wpa_printf(MSG_DEBUG, "Configured interface was added.");
1462 if (wpa_supplicant_driver_init(wpa_s) < 0) {
1463 wpa_printf(MSG_INFO, "Failed to initialize the driver "
1464 "after interface was added.");
1465 }
1466 break;
1467 case EVENT_INTERFACE_REMOVED:
1468 wpa_printf(MSG_DEBUG, "Configured interface was removed.");
1469 wpa_s->interface_removed = 1;
1470 wpa_supplicant_mark_disassoc(wpa_s);
1471 l2_packet_deinit(wpa_s->l2);
1472 wpa_s->l2 = NULL;
a83d9c96
SL		 1473#ifdef CONFIG_TERMINATE_ONLASTIF
1474 /* check if last interface */
1475 if (!any_interfaces(wpa_s->global->ifaces))
1476 eloop_terminate();
1477#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 1478 break;
1479 }
1480}
1481
1482
1483#ifdef CONFIG_PEERKEY
1484static void
1485wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
1486 union wpa_event_data *data)
1487{
1488 if (data == NULL)
1489 return;
1490 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
1491}
1492#endif /* CONFIG_PEERKEY */
1493
1494
1495#ifdef CONFIG_IEEE80211R
1496static void
1497wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
1498 union wpa_event_data *data)
1499{
1500 if (data == NULL)
1501 return;
1502
1503 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
1504 data->ft_ies.ies_len,
1505 data->ft_ies.ft_action,
babfbf15
JM		 1506 data->ft_ies.target_ap,
1507 data->ft_ies.ric_ies,
1508 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 1509 /* TODO: prevent MLME/driver from trying to associate? */
1510 }
1511}
1512#endif /* CONFIG_IEEE80211R */
1513
1514
11ef8d35
JM		 1515#ifdef CONFIG_IBSS_RSN
1516static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
1517 union wpa_event_data *data)
1518{
1519 if (data == NULL)
1520 return;
1521 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
1522}
1523#endif /* CONFIG_IBSS_RSN */
1524
1525
036f7c4a
JM		 1526#ifdef CONFIG_IEEE80211R
1527static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
1528 size_t len)
1529{
1530 const u8 *sta_addr, *target_ap_addr;
1531 u16 status;
1532
1533 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
1534 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
1535 return; /* only SME case supported for now */
1536 if (len < 1 + 2 * ETH_ALEN + 2)
1537 return;
1538 if (data[0] != 2)
1539 return; /* Only FT Action Response is supported for now */
1540 sta_addr = data + 1;
1541 target_ap_addr = data + 1 + ETH_ALEN;
1542 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
1543 wpa_printf(MSG_DEBUG, "FT: Received FT Action Response: STA " MACSTR
1544 " TargetAP " MACSTR " status %u",
1545 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
1546
1547 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
1548 wpa_printf(MSG_DEBUG, "FT: Foreign STA Address " MACSTR
1549 " in FT Action Response", MAC2STR(sta_addr));
1550 return;
1551 }
1552
1553 if (status) {
1554 wpa_printf(MSG_DEBUG, "FT: FT Action Response indicates "
1555 "failure (status code %d)", status);
1556 /* TODO: report error to FT code(?) */
1557 return;
1558 }
1559
1560 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
1561 len - (1 + 2 * ETH_ALEN + 2), 1,
1562 target_ap_addr, NULL, 0) < 0)
1563 return;
1564
fe191985
JM		 1565#ifdef CONFIG_SME
1566 {
1567 struct wpa_bss *bss;
1568 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
1569 if (bss)
1570 wpa_s->sme.freq = bss->freq;
62c72d72 1571 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 1572 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
1573 WLAN_AUTH_FT);
1574 }
1575#endif /* CONFIG_SME */
036f7c4a
JM		 1576}
1577#endif /* CONFIG_IEEE80211R */
1578
1579
9646a8ab 1580void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 1581 union wpa_event_data *data)
1582{
1583 struct wpa_supplicant *wpa_s = ctx;
0544b242 1584 u16 reason_code = 0;
6fc6879b
JM		 1585
1586 switch (event) {
c2a04078
JM		 1587 case EVENT_AUTH:
1588 sme_event_auth(wpa_s, data);
1589 break;
6fc6879b
JM		 1590 case EVENT_ASSOC:
1591 wpa_supplicant_event_assoc(wpa_s, data);
1592 break;
1593 case EVENT_DISASSOC:
159dd3e2 1594 wpa_printf(MSG_DEBUG, "Disassociation notification");
1d041bec
JM		 1595#ifdef CONFIG_AP
1596 if (wpa_s->ap_iface && data) {
1597 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1598 data->disassoc_info.addr);
1599 break;
1600 }
1601#endif /* CONFIG_AP */
0544b242
JM		 1602 if (data)
1603 reason_code = data->deauth_info.reason_code;
0e379654
JM		 1604 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
1605 sme_event_disassoc(wpa_s, data);
a84ed99e
JM		 1606 /* fall through */
1607 case EVENT_DEAUTH:
0544b242 1608 if (event == EVENT_DEAUTH) {
159dd3e2 1609 wpa_printf(MSG_DEBUG, "Deauthentication notification");
0544b242
JM		 1610 if (data)
1611 reason_code = data->deauth_info.reason_code;
1612 }
1d041bec
JM		 1613#ifdef CONFIG_AP
1614 if (wpa_s->ap_iface && data) {
1615 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1616 data->deauth_info.addr);
1617 break;
1618 }
1619#endif /* CONFIG_AP */
0544b242 1620 wpa_supplicant_event_disassoc(wpa_s, reason_code);
6fc6879b
JM		 1621 break;
1622 case EVENT_MICHAEL_MIC_FAILURE:
1623 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
1624 break;
1625#ifndef CONFIG_NO_SCAN_PROCESSING
1626 case EVENT_SCAN_RESULTS:
8d923a4a 1627 wpa_supplicant_event_scan_results(wpa_s, data);
6fc6879b
JM		 1628 break;
1629#endif /* CONFIG_NO_SCAN_PROCESSING */
1630 case EVENT_ASSOCINFO:
1631 wpa_supplicant_event_associnfo(wpa_s, data);
1632 break;
1633 case EVENT_INTERFACE_STATUS:
1634 wpa_supplicant_event_interface_status(wpa_s, data);
1635 break;
1636 case EVENT_PMKID_CANDIDATE:
1637 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
1638 break;
1639#ifdef CONFIG_PEERKEY
1640 case EVENT_STKSTART:
1641 wpa_supplicant_event_stkstart(wpa_s, data);
1642 break;
1643#endif /* CONFIG_PEERKEY */
1644#ifdef CONFIG_IEEE80211R
1645 case EVENT_FT_RESPONSE:
1646 wpa_supplicant_event_ft_response(wpa_s, data);
1647 break;
1648#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 1649#ifdef CONFIG_IBSS_RSN
1650 case EVENT_IBSS_RSN_START:
1651 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
1652 break;
1653#endif /* CONFIG_IBSS_RSN */
efa46078
JM		 1654 case EVENT_ASSOC_REJECT:
1655 sme_event_assoc_reject(wpa_s, data);
1656 break;
da1fb17c
JM		 1657 case EVENT_AUTH_TIMED_OUT:
1658 sme_event_auth_timed_out(wpa_s, data);
1659 break;
1660 case EVENT_ASSOC_TIMED_OUT:
1661 sme_event_assoc_timed_out(wpa_s, data);
1662 break;
f8b1f695
JM		 1663#ifdef CONFIG_AP
1664 case EVENT_TX_STATUS:
1665 if (wpa_s->ap_iface == NULL)
1666 break;
1667 switch (data->tx_status.type) {
1668 case WLAN_FC_TYPE_MGMT:
1669 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
1670 data->tx_status.data_len,
1671 data->tx_status.stype,
1672 data->tx_status.ack);
1673 break;
1674 case WLAN_FC_TYPE_DATA:
1675 ap_tx_status(wpa_s, data->tx_status.dst,
1676 data->tx_status.data,
1677 data->tx_status.data_len,
1678 data->tx_status.ack);
1679 break;
1680 }
1681 break;
1682 case EVENT_RX_FROM_UNKNOWN:
1683 if (wpa_s->ap_iface == NULL)
1684 break;
fdbe50ed 1685 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame,
f8b1f695
JM		 1686 data->rx_from_unknown.len);
1687 break;
1688 case EVENT_RX_MGMT:
1689 if (wpa_s->ap_iface == NULL)
1690 break;
2a8b7416 1691 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
f8b1f695
JM		 1692 break;
1693#endif /* CONFIG_AP */
036f7c4a
JM		 1694 case EVENT_RX_ACTION:
1695 wpa_printf(MSG_DEBUG, "Received Action frame: SA=" MACSTR
1696 " Category=%u DataLen=%d freq=%d MHz",
1697 MAC2STR(data->rx_action.sa),
1698 data->rx_action.category, (int) data->rx_action.len,
1699 data->rx_action.freq);
1700#ifdef CONFIG_IEEE80211R
1701 if (data->rx_action.category == WLAN_ACTION_FT) {
1702 ft_rx_action(wpa_s, data->rx_action.data,
1703 data->rx_action.len);
1704 break;
1705 }
1706#endif /* CONFIG_IEEE80211R */
1707 break;
245519e0
JM		 1708#ifdef CONFIG_CLIENT_MLME
1709 case EVENT_MLME_RX: {
1710 struct ieee80211_rx_status rx_status;
1711 os_memset(&rx_status, 0, sizeof(rx_status));
1712 rx_status.freq = data->mlme_rx.freq;
1713 rx_status.channel = data->mlme_rx.channel;
1714 rx_status.ssi = data->mlme_rx.ssi;
1715 ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len,
1716 &rx_status);
1717 break;
1718 }
1719#endif /* CONFIG_CLIENT_MLME */
a8e0505b
JM		 1720 case EVENT_EAPOL_RX:
1721 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
1722 data->eapol_rx.data,
1723 data->eapol_rx.data_len);
1724 break;
e2f74005
JM		 1725 case EVENT_SIGNAL_CHANGE:
1726 bgscan_notify_signal_change(
1727 wpa_s, data->signal_change.above_threshold);
1728 break;
6fc6879b
JM		 1729 default:
1730 wpa_printf(MSG_INFO, "Unknown event %d", event);
1731 break;
1732 }
1733}
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