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Add wpa_supplicant notification calls
[thirdparty/hostap.git] / wpa_supplicant / events.c
1 /*
2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
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"
19 #include "wpa.h"
20 #include "eloop.h"
21 #include "config.h"
22 #include "l2_packet/l2_packet.h"
23 #include "wpa_supplicant_i.h"
24 #include "driver_i.h"
25 #include "pcsc_funcs.h"
26 #include "preauth.h"
27 #include "pmksa_cache.h"
28 #include "wpa_ctrl.h"
29 #include "eap_peer/eap.h"
30 #include "notify.h"
31 #include "ieee802_11_defs.h"
32 #include "blacklist.h"
33 #include "wpas_glue.h"
34 #include "wps_supplicant.h"
35 #include "ibss_rsn.h"
36 #include "sme.h"
37
38
39 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
40 {
41 struct wpa_ssid *ssid, *old_ssid;
42
43 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
44 return 0;
45
46 wpa_printf(MSG_DEBUG, "Select network based on association "
47 "information");
48 ssid = wpa_supplicant_get_ssid(wpa_s);
49 if (ssid == NULL) {
50 wpa_printf(MSG_INFO, "No network configuration found for the "
51 "current AP");
52 return -1;
53 }
54
55 if (ssid->disabled) {
56 wpa_printf(MSG_DEBUG, "Selected network is disabled");
57 return -1;
58 }
59
60 wpa_printf(MSG_DEBUG, "Network configuration found for the current "
61 "AP");
62 if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
63 WPA_KEY_MGMT_WPA_NONE |
64 WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
65 WPA_KEY_MGMT_PSK_SHA256 |
66 WPA_KEY_MGMT_IEEE8021X_SHA256)) {
67 u8 wpa_ie[80];
68 size_t wpa_ie_len = sizeof(wpa_ie);
69 wpa_supplicant_set_suites(wpa_s, NULL, ssid,
70 wpa_ie, &wpa_ie_len);
71 } else {
72 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
73 }
74
75 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
76 eapol_sm_invalidate_cached_session(wpa_s->eapol);
77 old_ssid = wpa_s->current_ssid;
78 wpa_s->current_ssid = ssid;
79 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
80 wpa_supplicant_initiate_eapol(wpa_s);
81 if (old_ssid != wpa_s->current_ssid)
82 wpas_notify_network_changed(wpa_s);
83
84 return 0;
85 }
86
87
88 static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
89 void *sock_ctx)
90 {
91 struct wpa_supplicant *wpa_s = eloop_ctx;
92
93 if (wpa_s->countermeasures) {
94 wpa_s->countermeasures = 0;
95 wpa_drv_set_countermeasures(wpa_s, 0);
96 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
97 wpa_supplicant_req_scan(wpa_s, 0, 0);
98 }
99 }
100
101
102 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
103 {
104 int bssid_changed;
105
106 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
107 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
108 os_memset(wpa_s->bssid, 0, ETH_ALEN);
109 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
110 if (bssid_changed)
111 wpas_notify_bssid_changed(wpa_s);
112
113 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
114 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
115 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
116 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
117 wpa_s->ap_ies_from_associnfo = 0;
118 }
119
120
121 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
122 {
123 struct wpa_ie_data ie;
124 int pmksa_set = -1;
125 size_t i;
126
127 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
128 ie.pmkid == NULL)
129 return;
130
131 for (i = 0; i < ie.num_pmkid; i++) {
132 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
133 ie.pmkid + i * PMKID_LEN,
134 NULL, NULL, 0);
135 if (pmksa_set == 0) {
136 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
137 break;
138 }
139 }
140
141 wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA "
142 "cache", pmksa_set == 0 ? "" : "not ");
143 }
144
145
146 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
147 union wpa_event_data *data)
148 {
149 if (data == NULL) {
150 wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event");
151 return;
152 }
153 wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
154 " index=%d preauth=%d",
155 MAC2STR(data->pmkid_candidate.bssid),
156 data->pmkid_candidate.index,
157 data->pmkid_candidate.preauth);
158
159 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
160 data->pmkid_candidate.index,
161 data->pmkid_candidate.preauth);
162 }
163
164
165 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
166 {
167 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
168 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
169 return 0;
170
171 #ifdef IEEE8021X_EAPOL
172 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
173 wpa_s->current_ssid &&
174 !(wpa_s->current_ssid->eapol_flags &
175 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
176 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
177 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
178 * plaintext or static WEP keys). */
179 return 0;
180 }
181 #endif /* IEEE8021X_EAPOL */
182
183 return 1;
184 }
185
186
187 /**
188 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
189 * @wpa_s: pointer to wpa_supplicant data
190 * @ssid: Configuration data for the network
191 * Returns: 0 on success, -1 on failure
192 *
193 * This function is called when starting authentication with a network that is
194 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
195 */
196 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
197 struct wpa_ssid *ssid)
198 {
199 #ifdef IEEE8021X_EAPOL
200 int aka = 0, sim = 0, type;
201
202 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
203 return 0;
204
205 if (ssid->eap.eap_methods == NULL) {
206 sim = 1;
207 aka = 1;
208 } else {
209 struct eap_method_type *eap = ssid->eap.eap_methods;
210 while (eap->vendor != EAP_VENDOR_IETF ||
211 eap->method != EAP_TYPE_NONE) {
212 if (eap->vendor == EAP_VENDOR_IETF) {
213 if (eap->method == EAP_TYPE_SIM)
214 sim = 1;
215 else if (eap->method == EAP_TYPE_AKA)
216 aka = 1;
217 }
218 eap++;
219 }
220 }
221
222 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
223 sim = 0;
224 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL)
225 aka = 0;
226
227 if (!sim && !aka) {
228 wpa_printf(MSG_DEBUG, "Selected network is configured to use "
229 "SIM, but neither EAP-SIM nor EAP-AKA are enabled");
230 return 0;
231 }
232
233 wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM "
234 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
235 if (sim && aka)
236 type = SCARD_TRY_BOTH;
237 else if (aka)
238 type = SCARD_USIM_ONLY;
239 else
240 type = SCARD_GSM_SIM_ONLY;
241
242 wpa_s->scard = scard_init(type);
243 if (wpa_s->scard == NULL) {
244 wpa_printf(MSG_WARNING, "Failed to initialize SIM "
245 "(pcsc-lite)");
246 return -1;
247 }
248 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
249 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
250 #endif /* IEEE8021X_EAPOL */
251
252 return 0;
253 }
254
255
256 #ifndef CONFIG_NO_SCAN_PROCESSING
257 static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
258 struct wpa_ssid *ssid)
259 {
260 int i, privacy = 0;
261
262 if (ssid->mixed_cell)
263 return 1;
264
265 #ifdef CONFIG_WPS
266 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
267 return 1;
268 #endif /* CONFIG_WPS */
269
270 for (i = 0; i < NUM_WEP_KEYS; i++) {
271 if (ssid->wep_key_len[i]) {
272 privacy = 1;
273 break;
274 }
275 }
276 #ifdef IEEE8021X_EAPOL
277 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
278 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
279 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
280 privacy = 1;
281 #endif /* IEEE8021X_EAPOL */
282
283 if (bss->caps & IEEE80211_CAP_PRIVACY)
284 return privacy;
285 return !privacy;
286 }
287
288
289 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
290 struct wpa_ssid *ssid,
291 struct wpa_scan_res *bss)
292 {
293 struct wpa_ie_data ie;
294 int proto_match = 0;
295 const u8 *rsn_ie, *wpa_ie;
296 int ret;
297
298 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
299 if (ret >= 0)
300 return ret;
301
302 rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
303 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
304 proto_match++;
305
306 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
307 wpa_printf(MSG_DEBUG, " skip RSN IE - parse failed");
308 break;
309 }
310 if (!(ie.proto & ssid->proto)) {
311 wpa_printf(MSG_DEBUG, " skip RSN IE - proto "
312 "mismatch");
313 break;
314 }
315
316 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
317 wpa_printf(MSG_DEBUG, " skip RSN IE - PTK cipher "
318 "mismatch");
319 break;
320 }
321
322 if (!(ie.group_cipher & ssid->group_cipher)) {
323 wpa_printf(MSG_DEBUG, " skip RSN IE - GTK cipher "
324 "mismatch");
325 break;
326 }
327
328 if (!(ie.key_mgmt & ssid->key_mgmt)) {
329 wpa_printf(MSG_DEBUG, " skip RSN IE - key mgmt "
330 "mismatch");
331 break;
332 }
333
334 #ifdef CONFIG_IEEE80211W
335 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
336 ssid->ieee80211w == IEEE80211W_REQUIRED) {
337 wpa_printf(MSG_DEBUG, " skip RSN IE - no mgmt frame "
338 "protection");
339 break;
340 }
341 #endif /* CONFIG_IEEE80211W */
342
343 wpa_printf(MSG_DEBUG, " selected based on RSN IE");
344 return 1;
345 }
346
347 wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
348 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
349 proto_match++;
350
351 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
352 wpa_printf(MSG_DEBUG, " skip WPA IE - parse failed");
353 break;
354 }
355 if (!(ie.proto & ssid->proto)) {
356 wpa_printf(MSG_DEBUG, " skip WPA IE - proto "
357 "mismatch");
358 break;
359 }
360
361 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
362 wpa_printf(MSG_DEBUG, " skip WPA IE - PTK cipher "
363 "mismatch");
364 break;
365 }
366
367 if (!(ie.group_cipher & ssid->group_cipher)) {
368 wpa_printf(MSG_DEBUG, " skip WPA IE - GTK cipher "
369 "mismatch");
370 break;
371 }
372
373 if (!(ie.key_mgmt & ssid->key_mgmt)) {
374 wpa_printf(MSG_DEBUG, " skip WPA IE - key mgmt "
375 "mismatch");
376 break;
377 }
378
379 wpa_printf(MSG_DEBUG, " selected based on WPA IE");
380 return 1;
381 }
382
383 if (proto_match == 0)
384 wpa_printf(MSG_DEBUG, " skip - no WPA/RSN proto match");
385
386 return 0;
387 }
388
389
390 static struct wpa_scan_res *
391 wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
392 struct wpa_ssid *group,
393 struct wpa_ssid **selected_ssid)
394 {
395 struct wpa_ssid *ssid;
396 struct wpa_scan_res *bss;
397 size_t i;
398 struct wpa_blacklist *e;
399 const u8 *ie;
400
401 wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP");
402 for (i = 0; i < wpa_s->scan_res->num; i++) {
403 const u8 *ssid_;
404 u8 wpa_ie_len, rsn_ie_len, ssid_len;
405 bss = wpa_s->scan_res->res[i];
406
407 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
408 ssid_ = ie ? ie + 2 : (u8 *) "";
409 ssid_len = ie ? ie[1] : 0;
410
411 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
412 wpa_ie_len = ie ? ie[1] : 0;
413
414 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
415 rsn_ie_len = ie ? ie[1] : 0;
416
417 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
418 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
419 (int) i, MAC2STR(bss->bssid),
420 wpa_ssid_txt(ssid_, ssid_len),
421 wpa_ie_len, rsn_ie_len, bss->caps);
422
423 e = wpa_blacklist_get(wpa_s, bss->bssid);
424 if (e && e->count > 1) {
425 wpa_printf(MSG_DEBUG, " skip - blacklisted");
426 continue;
427 }
428
429 if (wpa_ie_len == 0 && rsn_ie_len == 0) {
430 wpa_printf(MSG_DEBUG, " skip - no WPA/RSN IE");
431 continue;
432 }
433
434 for (ssid = group; ssid; ssid = ssid->pnext) {
435 int check_ssid = 1;
436
437 if (ssid->disabled) {
438 wpa_printf(MSG_DEBUG, " skip - disabled");
439 continue;
440 }
441
442 #ifdef CONFIG_WPS
443 if (ssid->ssid_len == 0 &&
444 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
445 check_ssid = 0;
446 #endif /* CONFIG_WPS */
447
448 if (check_ssid &&
449 (ssid_len != ssid->ssid_len ||
450 os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
451 wpa_printf(MSG_DEBUG, " skip - "
452 "SSID mismatch");
453 continue;
454 }
455
456 if (ssid->bssid_set &&
457 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
458 {
459 wpa_printf(MSG_DEBUG, " skip - "
460 "BSSID mismatch");
461 continue;
462 }
463
464 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
465 continue;
466
467 wpa_printf(MSG_DEBUG, " selected WPA AP "
468 MACSTR " ssid='%s'",
469 MAC2STR(bss->bssid),
470 wpa_ssid_txt(ssid_, ssid_len));
471 *selected_ssid = ssid;
472 return bss;
473 }
474 }
475
476 return NULL;
477 }
478
479
480 static struct wpa_scan_res *
481 wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
482 struct wpa_ssid *group,
483 struct wpa_ssid **selected_ssid)
484 {
485 struct wpa_ssid *ssid;
486 struct wpa_scan_res *bss;
487 size_t i;
488 struct wpa_blacklist *e;
489 const u8 *ie;
490
491 wpa_printf(MSG_DEBUG, "Try to find non-WPA AP");
492 for (i = 0; i < wpa_s->scan_res->num; i++) {
493 const u8 *ssid_;
494 u8 wpa_ie_len, rsn_ie_len, ssid_len;
495 bss = wpa_s->scan_res->res[i];
496
497 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
498 ssid_ = ie ? ie + 2 : (u8 *) "";
499 ssid_len = ie ? ie[1] : 0;
500
501 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
502 wpa_ie_len = ie ? ie[1] : 0;
503
504 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
505 rsn_ie_len = ie ? ie[1] : 0;
506
507 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
508 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
509 (int) i, MAC2STR(bss->bssid),
510 wpa_ssid_txt(ssid_, ssid_len),
511 wpa_ie_len, rsn_ie_len, bss->caps);
512
513 e = wpa_blacklist_get(wpa_s, bss->bssid);
514 if (e && e->count > 1) {
515 wpa_printf(MSG_DEBUG, " skip - blacklisted");
516 continue;
517 }
518
519 for (ssid = group; ssid; ssid = ssid->pnext) {
520 int check_ssid = ssid->ssid_len != 0;
521
522 if (ssid->disabled) {
523 wpa_printf(MSG_DEBUG, " skip - disabled");
524 continue;
525 }
526
527 #ifdef CONFIG_WPS
528 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
529 /* Only allow wildcard SSID match if an AP
530 * advertises active WPS operation that matches
531 * with our mode. */
532 check_ssid = 1;
533 if (ssid->ssid_len == 0 &&
534 wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
535 bss))
536 check_ssid = 0;
537 }
538 #endif /* CONFIG_WPS */
539
540 if (check_ssid &&
541 (ssid_len != ssid->ssid_len ||
542 os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
543 wpa_printf(MSG_DEBUG, " skip - "
544 "SSID mismatch");
545 continue;
546 }
547
548 if (ssid->bssid_set &&
549 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
550 {
551 wpa_printf(MSG_DEBUG, " skip - "
552 "BSSID mismatch");
553 continue;
554 }
555
556 if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
557 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
558 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
559 {
560 wpa_printf(MSG_DEBUG, " skip - "
561 "non-WPA network not allowed");
562 continue;
563 }
564
565 if ((ssid->key_mgmt &
566 (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
567 WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
568 WPA_KEY_MGMT_IEEE8021X_SHA256 |
569 WPA_KEY_MGMT_PSK_SHA256)) &&
570 (wpa_ie_len != 0 || rsn_ie_len != 0)) {
571 wpa_printf(MSG_DEBUG, " skip - "
572 "WPA network");
573 continue;
574 }
575
576 if (!wpa_supplicant_match_privacy(bss, ssid)) {
577 wpa_printf(MSG_DEBUG, " skip - "
578 "privacy mismatch");
579 continue;
580 }
581
582 if (bss->caps & IEEE80211_CAP_IBSS) {
583 wpa_printf(MSG_DEBUG, " skip - "
584 "IBSS (adhoc) network");
585 continue;
586 }
587
588 wpa_printf(MSG_DEBUG, " selected non-WPA AP "
589 MACSTR " ssid='%s'",
590 MAC2STR(bss->bssid),
591 wpa_ssid_txt(ssid_, ssid_len));
592 *selected_ssid = ssid;
593 return bss;
594 }
595 }
596
597 return NULL;
598 }
599
600
601 static struct wpa_scan_res *
602 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, struct wpa_ssid *group,
603 struct wpa_ssid **selected_ssid)
604 {
605 struct wpa_scan_res *selected;
606
607 wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
608 group->priority);
609
610 /* First, try to find WPA-enabled AP */
611 selected = wpa_supplicant_select_bss_wpa(wpa_s, group, selected_ssid);
612 if (selected)
613 return selected;
614
615 /* If no WPA-enabled AP found, try to find non-WPA AP, if configuration
616 * allows this. */
617 return wpa_supplicant_select_bss_non_wpa(wpa_s, group, selected_ssid);
618 }
619
620
621 static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
622 {
623 int prio, timeout;
624 struct wpa_scan_res *selected = NULL;
625 struct wpa_ssid *ssid = NULL;
626
627 wpa_supplicant_notify_scanning(wpa_s, 0);
628
629 if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
630 if (wpa_s->conf->ap_scan == 2)
631 return;
632 wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
633 "scanning again");
634 timeout = 1;
635 goto req_scan;
636 }
637
638 /*
639 * Don't post the results if this was the initial cached
640 * and there were no results.
641 */
642 if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
643 wpa_s->scan_res->num == 0) {
644 wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
645 "empty - not posting");
646 } else {
647 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
648 wpas_notify_scan_results(wpa_s);
649 }
650
651 wpas_notify_scan_done(wpa_s, 1);
652
653 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)) ||
654 wpa_s->disconnected)
655 return;
656
657 while (selected == NULL) {
658 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
659 selected = wpa_supplicant_select_bss(
660 wpa_s, wpa_s->conf->pssid[prio], &ssid);
661 if (selected)
662 break;
663 }
664
665 if (selected == NULL && wpa_s->blacklist) {
666 wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
667 "and try again");
668 wpa_blacklist_clear(wpa_s);
669 wpa_s->blacklist_cleared++;
670 } else if (selected == NULL) {
671 break;
672 }
673 }
674
675 if (selected) {
676 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
677 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
678 "PBC session overlap");
679 timeout = 10;
680 goto req_scan;
681 }
682
683 /* Do not trigger new association unless the BSSID has changed
684 * or if reassociation is requested. If we are in process of
685 * associating with the selected BSSID, do not trigger new
686 * attempt. */
687 if (wpa_s->reassociate ||
688 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
689 (wpa_s->wpa_state != WPA_ASSOCIATING ||
690 os_memcmp(selected->bssid, wpa_s->pending_bssid,
691 ETH_ALEN) != 0))) {
692 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
693 wpa_supplicant_req_scan(wpa_s, 10, 0);
694 return;
695 }
696 wpa_supplicant_associate(wpa_s, selected, ssid);
697 } else {
698 wpa_printf(MSG_DEBUG, "Already associated with the "
699 "selected AP.");
700 }
701 rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
702 } else {
703 wpa_printf(MSG_DEBUG, "No suitable AP found.");
704 timeout = 5;
705 goto req_scan;
706 }
707
708 return;
709
710 req_scan:
711 if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
712 /*
713 * Quick recovery if the initial scan results were not
714 * complete when fetched before the first scan request.
715 */
716 wpa_s->scan_res_tried++;
717 timeout = 0;
718 }
719 wpa_supplicant_req_scan(wpa_s, timeout, 0);
720 }
721 #endif /* CONFIG_NO_SCAN_PROCESSING */
722
723
724 #ifdef CONFIG_IEEE80211R
725 static void wpa_assoc_set_ft_params(struct wpa_supplicant *wpa_s,
726 const u8 *ftie, const u8 *mdie)
727 {
728 const u8 *mobility_domain = NULL;
729 const u8 *r0kh_id = NULL;
730 size_t r0kh_id_len = 0;
731 const u8 *r1kh_id = NULL;
732 struct rsn_ftie *hdr;
733 const u8 *pos, *end;
734
735 if (mdie == NULL || ftie == NULL)
736 return;
737
738 if (mdie[1] >= MOBILITY_DOMAIN_ID_LEN) {
739 mobility_domain = mdie + 2;
740 #ifdef CONFIG_SME
741 wpa_s->sme.ft_used = 1;
742 os_memcpy(wpa_s->sme.mobility_domain, mobility_domain, 2);
743 #endif /* CONFIG_SME */
744 }
745 if (ftie[1] >= sizeof(struct rsn_ftie)) {
746 end = ftie + 2 + ftie[1];
747 hdr = (struct rsn_ftie *) (ftie + 2);
748 pos = (const u8 *) (hdr + 1);
749 while (pos + 1 < end) {
750 if (pos + 2 + pos[1] > end)
751 break;
752 if (pos[0] == FTIE_SUBELEM_R1KH_ID &&
753 pos[1] == FT_R1KH_ID_LEN)
754 r1kh_id = pos + 2;
755 else if (pos[0] == FTIE_SUBELEM_R0KH_ID &&
756 pos[1] >= 1 && pos[1] <= FT_R0KH_ID_MAX_LEN) {
757 r0kh_id = pos + 2;
758 r0kh_id_len = pos[1];
759 }
760 pos += 2 + pos[1];
761 }
762 }
763 wpa_sm_set_ft_params(wpa_s->wpa, mobility_domain, r0kh_id,
764 r0kh_id_len, r1kh_id);
765 }
766 #endif /* CONFIG_IEEE80211R */
767
768 static void wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
769 union wpa_event_data *data)
770 {
771 int l, len, found = 0, wpa_found, rsn_found;
772 const u8 *p;
773 #ifdef CONFIG_IEEE80211R
774 const u8 *mdie = NULL, *ftie = NULL;
775 #endif /* CONFIG_IEEE80211R */
776
777 wpa_printf(MSG_DEBUG, "Association info event");
778 if (data->assoc_info.req_ies)
779 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
780 data->assoc_info.req_ies_len);
781 if (data->assoc_info.resp_ies)
782 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
783 data->assoc_info.resp_ies_len);
784 if (data->assoc_info.beacon_ies)
785 wpa_hexdump(MSG_DEBUG, "beacon_ies",
786 data->assoc_info.beacon_ies,
787 data->assoc_info.beacon_ies_len);
788
789 p = data->assoc_info.req_ies;
790 l = data->assoc_info.req_ies_len;
791
792 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
793 while (p && l >= 2) {
794 len = p[1] + 2;
795 if (len > l) {
796 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
797 p, l);
798 break;
799 }
800 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
801 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
802 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
803 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
804 break;
805 found = 1;
806 wpa_find_assoc_pmkid(wpa_s);
807 break;
808 }
809 l -= len;
810 p += len;
811 }
812 if (!found && data->assoc_info.req_ies)
813 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
814
815 #ifdef CONFIG_IEEE80211R
816 p = data->assoc_info.resp_ies;
817 l = data->assoc_info.resp_ies_len;
818
819 /* Go through the IEs and make a copy of the FT/MD IE, if present. */
820 while (p && l >= 2) {
821 len = p[1] + 2;
822 if (len > l) {
823 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
824 p, l);
825 break;
826 }
827 if (p[0] == WLAN_EID_FAST_BSS_TRANSITION)
828 ftie = p;
829 else if (p[0] == WLAN_EID_MOBILITY_DOMAIN)
830 mdie = p;
831 l -= len;
832 p += len;
833 }
834
835 wpa_assoc_set_ft_params(wpa_s, ftie, mdie);
836 #endif /* CONFIG_IEEE80211R */
837
838 /* WPA/RSN IE from Beacon/ProbeResp */
839 p = data->assoc_info.beacon_ies;
840 l = data->assoc_info.beacon_ies_len;
841
842 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
843 */
844 wpa_found = rsn_found = 0;
845 while (p && l >= 2) {
846 len = p[1] + 2;
847 if (len > l) {
848 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
849 p, l);
850 break;
851 }
852 if (!wpa_found &&
853 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
854 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
855 wpa_found = 1;
856 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
857 }
858
859 if (!rsn_found &&
860 p[0] == WLAN_EID_RSN && p[1] >= 2) {
861 rsn_found = 1;
862 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
863 }
864
865 l -= len;
866 p += len;
867 }
868
869 if (!wpa_found && data->assoc_info.beacon_ies)
870 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
871 if (!rsn_found && data->assoc_info.beacon_ies)
872 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
873 if (wpa_found || rsn_found)
874 wpa_s->ap_ies_from_associnfo = 1;
875 }
876
877
878 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
879 union wpa_event_data *data)
880 {
881 u8 bssid[ETH_ALEN];
882 int ft_completed = wpa_ft_is_completed(wpa_s->wpa);
883 int bssid_changed;
884
885 if (data)
886 wpa_supplicant_event_associnfo(wpa_s, data);
887
888 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
889 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
890 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
891 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
892 (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
893 os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
894 wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
895 MACSTR, MAC2STR(bssid));
896 bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN);
897 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
898 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
899 if (bssid_changed)
900 wpas_notify_bssid_changed(wpa_s);
901
902 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
903 wpa_clear_keys(wpa_s, bssid);
904 }
905 if (wpa_supplicant_select_config(wpa_s) < 0) {
906 wpa_supplicant_disassociate(
907 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
908 return;
909 }
910 }
911
912 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
913 if (wpa_s->current_ssid) {
914 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
915 * initialized before association, but for other modes,
916 * initialize PC/SC here, if the current configuration needs
917 * smartcard or SIM/USIM. */
918 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
919 }
920 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
921 l2_packet_notify_auth_start(wpa_s->l2);
922
923 /*
924 * Set portEnabled first to FALSE in order to get EAP state machine out
925 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
926 * state machine may transit to AUTHENTICATING state based on obsolete
927 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
928 * AUTHENTICATED without ever giving chance to EAP state machine to
929 * reset the state.
930 */
931 if (!ft_completed) {
932 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
933 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
934 }
935 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
936 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
937 /* 802.1X::portControl = Auto */
938 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
939 wpa_s->eapol_received = 0;
940 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
941 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
942 wpa_supplicant_cancel_auth_timeout(wpa_s);
943 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
944 } else if (!ft_completed) {
945 /* Timeout for receiving the first EAPOL packet */
946 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
947 }
948 wpa_supplicant_cancel_scan(wpa_s);
949
950 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
951 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
952 /*
953 * We are done; the driver will take care of RSN 4-way
954 * handshake.
955 */
956 wpa_supplicant_cancel_auth_timeout(wpa_s);
957 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
958 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
959 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
960 }
961
962 if (wpa_s->pending_eapol_rx) {
963 struct os_time now, age;
964 os_get_time(&now);
965 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
966 if (age.sec == 0 && age.usec < 100000 &&
967 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
968 0) {
969 wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
970 "that was received just before association "
971 "notification");
972 wpa_supplicant_rx_eapol(
973 wpa_s, wpa_s->pending_eapol_rx_src,
974 wpabuf_head(wpa_s->pending_eapol_rx),
975 wpabuf_len(wpa_s->pending_eapol_rx));
976 }
977 wpabuf_free(wpa_s->pending_eapol_rx);
978 wpa_s->pending_eapol_rx = NULL;
979 }
980 }
981
982
983 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
984 {
985 const u8 *bssid;
986
987 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
988 /*
989 * At least Host AP driver and a Prism3 card seemed to be
990 * generating streams of disconnected events when configuring
991 * IBSS for WPA-None. Ignore them for now.
992 */
993 wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
994 "IBSS/WPA-None mode");
995 return;
996 }
997
998 if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
999 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
1000 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
1001 "pre-shared key may be incorrect");
1002 }
1003 if (wpa_s->wpa_state >= WPA_ASSOCIATED)
1004 wpa_supplicant_req_scan(wpa_s, 0, 100000);
1005 bssid = wpa_s->bssid;
1006 if (is_zero_ether_addr(bssid))
1007 bssid = wpa_s->pending_bssid;
1008 wpa_blacklist_add(wpa_s, bssid);
1009 wpa_sm_notify_disassoc(wpa_s->wpa);
1010 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
1011 "remove keys");
1012 if (wpa_supplicant_dynamic_keys(wpa_s)) {
1013 wpa_s->keys_cleared = 0;
1014 wpa_clear_keys(wpa_s, wpa_s->bssid);
1015 }
1016 wpa_supplicant_mark_disassoc(wpa_s);
1017 }
1018
1019
1020 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1021 static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
1022 void *sock_ctx)
1023 {
1024 struct wpa_supplicant *wpa_s = eloop_ctx;
1025
1026 if (!wpa_s->pending_mic_error_report)
1027 return;
1028
1029 wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report");
1030 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
1031 wpa_s->pending_mic_error_report = 0;
1032 }
1033 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1034
1035
1036 static void
1037 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
1038 union wpa_event_data *data)
1039 {
1040 int pairwise;
1041 struct os_time t;
1042
1043 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
1044 pairwise = (data && data->michael_mic_failure.unicast);
1045 os_get_time(&t);
1046 if ((wpa_s->last_michael_mic_error &&
1047 t.sec - wpa_s->last_michael_mic_error <= 60) ||
1048 wpa_s->pending_mic_error_report) {
1049 if (wpa_s->pending_mic_error_report) {
1050 /*
1051 * Send the pending MIC error report immediately since
1052 * we are going to start countermeasures and AP better
1053 * do the same.
1054 */
1055 wpa_sm_key_request(wpa_s->wpa, 1,
1056 wpa_s->pending_mic_error_pairwise);
1057 }
1058
1059 /* Send the new MIC error report immediately since we are going
1060 * to start countermeasures and AP better do the same.
1061 */
1062 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1063
1064 /* initialize countermeasures */
1065 wpa_s->countermeasures = 1;
1066 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
1067
1068 /*
1069 * Need to wait for completion of request frame. We do not get
1070 * any callback for the message completion, so just wait a
1071 * short while and hope for the best. */
1072 os_sleep(0, 10000);
1073
1074 wpa_drv_set_countermeasures(wpa_s, 1);
1075 wpa_supplicant_deauthenticate(wpa_s,
1076 WLAN_REASON_MICHAEL_MIC_FAILURE);
1077 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
1078 wpa_s, NULL);
1079 eloop_register_timeout(60, 0,
1080 wpa_supplicant_stop_countermeasures,
1081 wpa_s, NULL);
1082 /* TODO: mark the AP rejected for 60 second. STA is
1083 * allowed to associate with another AP.. */
1084 } else {
1085 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1086 if (wpa_s->mic_errors_seen) {
1087 /*
1088 * Reduce the effectiveness of Michael MIC error
1089 * reports as a means for attacking against TKIP if
1090 * more than one MIC failure is noticed with the same
1091 * PTK. We delay the transmission of the reports by a
1092 * random time between 0 and 60 seconds in order to
1093 * force the attacker wait 60 seconds before getting
1094 * the information on whether a frame resulted in a MIC
1095 * failure.
1096 */
1097 u8 rval[4];
1098 int sec;
1099
1100 if (os_get_random(rval, sizeof(rval)) < 0)
1101 sec = os_random() % 60;
1102 else
1103 sec = WPA_GET_BE32(rval) % 60;
1104 wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d "
1105 "seconds", sec);
1106 wpa_s->pending_mic_error_report = 1;
1107 wpa_s->pending_mic_error_pairwise = pairwise;
1108 eloop_cancel_timeout(
1109 wpa_supplicant_delayed_mic_error_report,
1110 wpa_s, NULL);
1111 eloop_register_timeout(
1112 sec, os_random() % 1000000,
1113 wpa_supplicant_delayed_mic_error_report,
1114 wpa_s, NULL);
1115 } else {
1116 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1117 }
1118 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1119 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1120 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1121 }
1122 wpa_s->last_michael_mic_error = t.sec;
1123 wpa_s->mic_errors_seen++;
1124 }
1125
1126
1127 #ifdef CONFIG_TERMINATE_ONLASTIF
1128 static int any_interfaces(struct wpa_supplicant *head)
1129 {
1130 struct wpa_supplicant *wpa_s;
1131
1132 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
1133 if (!wpa_s->interface_removed)
1134 return 1;
1135 return 0;
1136 }
1137 #endif /* CONFIG_TERMINATE_ONLASTIF */
1138
1139
1140 static void
1141 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
1142 union wpa_event_data *data)
1143 {
1144 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
1145 return;
1146
1147 switch (data->interface_status.ievent) {
1148 case EVENT_INTERFACE_ADDED:
1149 if (!wpa_s->interface_removed)
1150 break;
1151 wpa_s->interface_removed = 0;
1152 wpa_printf(MSG_DEBUG, "Configured interface was added.");
1153 if (wpa_supplicant_driver_init(wpa_s) < 0) {
1154 wpa_printf(MSG_INFO, "Failed to initialize the driver "
1155 "after interface was added.");
1156 }
1157 break;
1158 case EVENT_INTERFACE_REMOVED:
1159 wpa_printf(MSG_DEBUG, "Configured interface was removed.");
1160 wpa_s->interface_removed = 1;
1161 wpa_supplicant_mark_disassoc(wpa_s);
1162 l2_packet_deinit(wpa_s->l2);
1163 wpa_s->l2 = NULL;
1164 #ifdef CONFIG_TERMINATE_ONLASTIF
1165 /* check if last interface */
1166 if (!any_interfaces(wpa_s->global->ifaces))
1167 eloop_terminate();
1168 #endif /* CONFIG_TERMINATE_ONLASTIF */
1169 break;
1170 }
1171 }
1172
1173
1174 #ifdef CONFIG_PEERKEY
1175 static void
1176 wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
1177 union wpa_event_data *data)
1178 {
1179 if (data == NULL)
1180 return;
1181 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
1182 }
1183 #endif /* CONFIG_PEERKEY */
1184
1185
1186 #ifdef CONFIG_IEEE80211R
1187 static void
1188 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
1189 union wpa_event_data *data)
1190 {
1191 if (data == NULL)
1192 return;
1193
1194 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
1195 data->ft_ies.ies_len,
1196 data->ft_ies.ft_action,
1197 data->ft_ies.target_ap,
1198 data->ft_ies.ric_ies,
1199 data->ft_ies.ric_ies_len) < 0) {
1200 /* TODO: prevent MLME/driver from trying to associate? */
1201 }
1202 }
1203 #endif /* CONFIG_IEEE80211R */
1204
1205
1206 #ifdef CONFIG_IBSS_RSN
1207 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
1208 union wpa_event_data *data)
1209 {
1210 if (data == NULL)
1211 return;
1212 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
1213 }
1214 #endif /* CONFIG_IBSS_RSN */
1215
1216
1217 void wpa_supplicant_event(void *ctx, wpa_event_type event,
1218 union wpa_event_data *data)
1219 {
1220 struct wpa_supplicant *wpa_s = ctx;
1221
1222 switch (event) {
1223 case EVENT_AUTH:
1224 sme_event_auth(wpa_s, data);
1225 break;
1226 case EVENT_ASSOC:
1227 wpa_supplicant_event_assoc(wpa_s, data);
1228 break;
1229 case EVENT_DEAUTH:
1230 case EVENT_DISASSOC:
1231 wpa_supplicant_event_disassoc(wpa_s);
1232 break;
1233 case EVENT_MICHAEL_MIC_FAILURE:
1234 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
1235 break;
1236 #ifndef CONFIG_NO_SCAN_PROCESSING
1237 case EVENT_SCAN_RESULTS:
1238 wpa_supplicant_event_scan_results(wpa_s);
1239 break;
1240 #endif /* CONFIG_NO_SCAN_PROCESSING */
1241 case EVENT_ASSOCINFO:
1242 wpa_supplicant_event_associnfo(wpa_s, data);
1243 break;
1244 case EVENT_INTERFACE_STATUS:
1245 wpa_supplicant_event_interface_status(wpa_s, data);
1246 break;
1247 case EVENT_PMKID_CANDIDATE:
1248 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
1249 break;
1250 #ifdef CONFIG_PEERKEY
1251 case EVENT_STKSTART:
1252 wpa_supplicant_event_stkstart(wpa_s, data);
1253 break;
1254 #endif /* CONFIG_PEERKEY */
1255 #ifdef CONFIG_IEEE80211R
1256 case EVENT_FT_RESPONSE:
1257 wpa_supplicant_event_ft_response(wpa_s, data);
1258 break;
1259 #endif /* CONFIG_IEEE80211R */
1260 #ifdef CONFIG_IBSS_RSN
1261 case EVENT_IBSS_RSN_START:
1262 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
1263 break;
1264 #endif /* CONFIG_IBSS_RSN */
1265 case EVENT_ASSOC_REJECT:
1266 sme_event_assoc_reject(wpa_s, data);
1267 break;
1268 case EVENT_AUTH_TIMED_OUT:
1269 sme_event_auth_timed_out(wpa_s, data);
1270 break;
1271 case EVENT_ASSOC_TIMED_OUT:
1272 sme_event_assoc_timed_out(wpa_s, data);
1273 break;
1274 default:
1275 wpa_printf(MSG_INFO, "Unknown event %d", event);
1276 break;
1277 }
1278 }
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