]> git.ipfire.org Git - thirdparty/hostap.git/blame - wpa_supplicant/events.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
EAP-pwd: Fix couple of memory leaks
[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"
54f489be 33#include "common/ieee802_11_common.h"
6fc6879b
JM		 34#include "blacklist.h"
35#include "wpas_glue.h"
351f09a2 36#include "wps_supplicant.h"
11ef8d35 37#include "ibss_rsn.h"
c2a04078 38#include "sme.h"
9bae1be0 39#include "p2p_supplicant.h"
60b94c98 40#include "bgscan.h"
f8b1f695 41#include "ap.h"
6fa81a3b 42#include "bss.h"
245519e0 43#include "mlme.h"
9ba9fa07 44#include "scan.h"
6fc6879b
JM		 45
46
47static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
48{
8bac466b 49 struct wpa_ssid *ssid, *old_ssid;
6fc6879b
JM		 50
51 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
52 return 0;
53
54 wpa_printf(MSG_DEBUG, "Select network based on association "
55 "information");
56 ssid = wpa_supplicant_get_ssid(wpa_s);
57 if (ssid == NULL) {
58 wpa_printf(MSG_INFO, "No network configuration found for the "
59 "current AP");
60 return -1;
61 }
62
63 if (ssid->disabled) {
64 wpa_printf(MSG_DEBUG, "Selected network is disabled");
65 return -1;
66 }
67
68 wpa_printf(MSG_DEBUG, "Network configuration found for the current "
69 "AP");
70 if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
71 WPA_KEY_MGMT_WPA_NONE |
56586197
JM		 72 WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
73 WPA_KEY_MGMT_PSK_SHA256 |
74 WPA_KEY_MGMT_IEEE8021X_SHA256)) {
6fc6879b
JM		 75 u8 wpa_ie[80];
76 size_t wpa_ie_len = sizeof(wpa_ie);
77 wpa_supplicant_set_suites(wpa_s, NULL, ssid,
78 wpa_ie, &wpa_ie_len);
79 } else {
80 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
81 }
82
83 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
84 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 85 old_ssid = wpa_s->current_ssid;
6fc6879b
JM		 86 wpa_s->current_ssid = ssid;
87 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
88 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 89 if (old_ssid != wpa_s->current_ssid)
90 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 91
92 return 0;
93}
94
95
96static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
97 void *sock_ctx)
98{
99 struct wpa_supplicant *wpa_s = eloop_ctx;
100
101 if (wpa_s->countermeasures) {
102 wpa_s->countermeasures = 0;
103 wpa_drv_set_countermeasures(wpa_s, 0);
104 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
105 wpa_supplicant_req_scan(wpa_s, 0, 0);
106 }
107}
108
109
110void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
111{
8bac466b
JM		 112 int bssid_changed;
113
8401a6b0
JM		 114 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
115 return;
116
6fc6879b 117 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 118 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 119 os_memset(wpa_s->bssid, 0, ETH_ALEN);
120 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
be8be671 121 wpa_s->current_bss = NULL;
8bac466b
JM		 122 if (bssid_changed)
123 wpas_notify_bssid_changed(wpa_s);
124
6fc6879b
JM		 125 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
126 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
56586197 127 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
6fc6879b
JM		 128 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
129 wpa_s->ap_ies_from_associnfo = 0;
130}
131
132
133static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
134{
135 struct wpa_ie_data ie;
136 int pmksa_set = -1;
137 size_t i;
138
139 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
140 ie.pmkid == NULL)
141 return;
142
143 for (i = 0; i < ie.num_pmkid; i++) {
144 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
145 ie.pmkid + i * PMKID_LEN,
146 NULL, NULL, 0);
147 if (pmksa_set == 0) {
148 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
149 break;
150 }
151 }
152
153 wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA "
154 "cache", pmksa_set == 0 ? "" : "not ");
155}
156
157
158static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
159 union wpa_event_data *data)
160{
161 if (data == NULL) {
162 wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event");
163 return;
164 }
165 wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
166 " index=%d preauth=%d",
167 MAC2STR(data->pmkid_candidate.bssid),
168 data->pmkid_candidate.index,
169 data->pmkid_candidate.preauth);
170
171 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
172 data->pmkid_candidate.index,
173 data->pmkid_candidate.preauth);
174}
175
176
177static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
178{
179 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
180 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
181 return 0;
182
183#ifdef IEEE8021X_EAPOL
184 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
185 wpa_s->current_ssid &&
186 !(wpa_s->current_ssid->eapol_flags &
187 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
188 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
189 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
190 * plaintext or static WEP keys). */
191 return 0;
192 }
193#endif /* IEEE8021X_EAPOL */
194
195 return 1;
196}
197
198
199/**
200 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
201 * @wpa_s: pointer to wpa_supplicant data
202 * @ssid: Configuration data for the network
203 * Returns: 0 on success, -1 on failure
204 *
205 * This function is called when starting authentication with a network that is
206 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
207 */
208int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
209 struct wpa_ssid *ssid)
210{
211#ifdef IEEE8021X_EAPOL
212 int aka = 0, sim = 0, type;
213
214 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
215 return 0;
216
217 if (ssid->eap.eap_methods == NULL) {
218 sim = 1;
219 aka = 1;
220 } else {
221 struct eap_method_type *eap = ssid->eap.eap_methods;
222 while (eap->vendor != EAP_VENDOR_IETF ||
223 eap->method != EAP_TYPE_NONE) {
224 if (eap->vendor == EAP_VENDOR_IETF) {
225 if (eap->method == EAP_TYPE_SIM)
226 sim = 1;
227 else if (eap->method == EAP_TYPE_AKA)
228 aka = 1;
229 }
230 eap++;
231 }
232 }
233
234 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
235 sim = 0;
236 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL)
237 aka = 0;
238
239 if (!sim && !aka) {
240 wpa_printf(MSG_DEBUG, "Selected network is configured to use "
241 "SIM, but neither EAP-SIM nor EAP-AKA are enabled");
242 return 0;
243 }
244
245 wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM "
246 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
247 if (sim && aka)
248 type = SCARD_TRY_BOTH;
249 else if (aka)
250 type = SCARD_USIM_ONLY;
251 else
252 type = SCARD_GSM_SIM_ONLY;
253
254 wpa_s->scard = scard_init(type);
255 if (wpa_s->scard == NULL) {
256 wpa_printf(MSG_WARNING, "Failed to initialize SIM "
257 "(pcsc-lite)");
258 return -1;
259 }
260 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
261 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
262#endif /* IEEE8021X_EAPOL */
263
264 return 0;
265}
266
267
268#ifndef CONFIG_NO_SCAN_PROCESSING
269static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
270 struct wpa_ssid *ssid)
271{
272 int i, privacy = 0;
273
274 if (ssid->mixed_cell)
275 return 1;
276
0632542b
AT		 277#ifdef CONFIG_WPS
278 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
279 return 1;
280#endif /* CONFIG_WPS */
281
6fc6879b
JM		 282 for (i = 0; i < NUM_WEP_KEYS; i++) {
283 if (ssid->wep_key_len[i]) {
284 privacy = 1;
285 break;
286 }
287 }
288#ifdef IEEE8021X_EAPOL
289 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
290 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
291 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
292 privacy = 1;
293#endif /* IEEE8021X_EAPOL */
294
295 if (bss->caps & IEEE80211_CAP_PRIVACY)
296 return privacy;
297 return !privacy;
298}
299
300
a6099152
JM		 301static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
302 struct wpa_ssid *ssid,
6fc6879b
JM		 303 struct wpa_scan_res *bss)
304{
305 struct wpa_ie_data ie;
306 int proto_match = 0;
307 const u8 *rsn_ie, *wpa_ie;
351f09a2 308 int ret;
6fc6879b 309
a6099152 310 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 311 if (ret >= 0)
312 return ret;
ad08c363 313
6fc6879b
JM		 314 rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
315 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
316 proto_match++;
317
318 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
319 wpa_printf(MSG_DEBUG, " skip RSN IE - parse failed");
320 break;
321 }
322 if (!(ie.proto & ssid->proto)) {
323 wpa_printf(MSG_DEBUG, " skip RSN IE - proto "
324 "mismatch");
325 break;
326 }
327
328 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
329 wpa_printf(MSG_DEBUG, " skip RSN IE - PTK cipher "
330 "mismatch");
331 break;
332 }
333
334 if (!(ie.group_cipher & ssid->group_cipher)) {
335 wpa_printf(MSG_DEBUG, " skip RSN IE - GTK cipher "
336 "mismatch");
337 break;
338 }
339
340 if (!(ie.key_mgmt & ssid->key_mgmt)) {
341 wpa_printf(MSG_DEBUG, " skip RSN IE - key mgmt "
342 "mismatch");
343 break;
344 }
345
346#ifdef CONFIG_IEEE80211W
0b60b0aa 347 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
70f8cc8e 348 ssid->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) {
6fc6879b
JM		 349 wpa_printf(MSG_DEBUG, " skip RSN IE - no mgmt frame "
350 "protection");
351 break;
352 }
353#endif /* CONFIG_IEEE80211W */
354
355 wpa_printf(MSG_DEBUG, " selected based on RSN IE");
356 return 1;
357 }
358
359 wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
360 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
361 proto_match++;
362
363 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
364 wpa_printf(MSG_DEBUG, " skip WPA IE - parse failed");
365 break;
366 }
367 if (!(ie.proto & ssid->proto)) {
368 wpa_printf(MSG_DEBUG, " skip WPA IE - proto "
369 "mismatch");
370 break;
371 }
372
373 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
374 wpa_printf(MSG_DEBUG, " skip WPA IE - PTK cipher "
375 "mismatch");
376 break;
377 }
378
379 if (!(ie.group_cipher & ssid->group_cipher)) {
380 wpa_printf(MSG_DEBUG, " skip WPA IE - GTK cipher "
381 "mismatch");
382 break;
383 }
384
385 if (!(ie.key_mgmt & ssid->key_mgmt)) {
386 wpa_printf(MSG_DEBUG, " skip WPA IE - key mgmt "
387 "mismatch");
388 break;
389 }
390
391 wpa_printf(MSG_DEBUG, " selected based on WPA IE");
392 return 1;
393 }
394
395 if (proto_match == 0)
396 wpa_printf(MSG_DEBUG, " skip - no WPA/RSN proto match");
397
398 return 0;
399}
400
401
b766a9a2
JM		 402static int freq_allowed(int *freqs, int freq)
403{
404 int i;
405
406 if (freqs == NULL)
407 return 1;
408
409 for (i = 0; freqs[i]; i++)
410 if (freqs[i] == freq)
411 return 1;
412 return 0;
413}
414
415
d8d940b7
JM		 416static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
417 int i, struct wpa_scan_res *bss,
418 struct wpa_ssid *group)
6fc6879b 419{
d8d940b7
JM		 420 const u8 *ssid_;
421 u8 wpa_ie_len, rsn_ie_len, ssid_len;
422 int wpa;
6fc6879b
JM		 423 struct wpa_blacklist *e;
424 const u8 *ie;
d8d940b7 425 struct wpa_ssid *ssid;
6fc6879b 426
d8d940b7
JM		 427 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
428 ssid_ = ie ? ie + 2 : (u8 *) "";
429 ssid_len = ie ? ie[1] : 0;
6fc6879b 430
d8d940b7
JM		 431 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
432 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 433
d8d940b7
JM		 434 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
435 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 436
d8d940b7
JM		 437 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
438 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s",
439 i, MAC2STR(bss->bssid), wpa_ssid_txt(ssid_, ssid_len),
440 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
441 wpa_scan_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
442 " wps" : "");
9cf32261 443
d8d940b7
JM		 444 e = wpa_blacklist_get(wpa_s, bss->bssid);
445 if (e && e->count > 1) {
446 wpa_printf(MSG_DEBUG, " skip - blacklisted");
447 return 0;
448 }
6fc6879b 449
d8d940b7
JM		 450 if (ssid_len == 0) {
451 wpa_printf(MSG_DEBUG, " skip - SSID not known");
452 return 0;
453 }
e81634cd 454
d8d940b7 455 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 456
d8d940b7
JM		 457 for (ssid = group; ssid; ssid = ssid->pnext) {
458 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
ad08c363 459
d8d940b7
JM		 460 if (ssid->disabled) {
461 wpa_printf(MSG_DEBUG, " skip - disabled");
0c703df3 462 continue;
d8d940b7 463 }
9cf32261 464
ad08c363 465#ifdef CONFIG_WPS
d8d940b7
JM		 466 if (wpa && ssid->ssid_len == 0 &&
467 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
468 check_ssid = 0;
469
470 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
471 /* Only allow wildcard SSID match if an AP
472 * advertises active WPS operation that matches
473 * with our mode. */
474 check_ssid = 1;
ad08c363 475 if (ssid->ssid_len == 0 &&
a6099152 476 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 477 check_ssid = 0;
d8d940b7 478 }
ad08c363
JM		 479#endif /* CONFIG_WPS */
480
d8d940b7
JM		 481 if (check_ssid &&
482 (ssid_len != ssid->ssid_len ||
483 os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
484 wpa_printf(MSG_DEBUG, " skip - SSID mismatch");
0c703df3 485 continue;
6fc6879b 486 }
6fc6879b 487
d8d940b7
JM		 488 if (ssid->bssid_set &&
489 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
490 wpa_printf(MSG_DEBUG, " skip - BSSID mismatch");
0c703df3 491 continue;
d8d940b7 492 }
6fc6879b 493
d8d940b7 494 if (wpa && !wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
0c703df3 495 continue;
9cf32261 496
d8d940b7
JM		 497 if (!wpa &&
498 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
499 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
500 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
501 wpa_printf(MSG_DEBUG, " skip - non-WPA network not "
502 "allowed");
0c703df3 503 continue;
6fc6879b 504 }
9cf32261 505
d8d940b7
JM		 506 if (!wpa && !wpa_supplicant_match_privacy(bss, ssid)) {
507 wpa_printf(MSG_DEBUG, " skip - privacy mismatch");
0c703df3 508 continue;
e81634cd
JM		 509 }
510
d8d940b7
JM		 511 if (!wpa && (bss->caps & IEEE80211_CAP_IBSS)) {
512 wpa_printf(MSG_DEBUG, " skip - IBSS (adhoc) "
513 "network");
0c703df3 514 continue;
d8d940b7 515 }
b766a9a2 516
d8d940b7
JM		 517 if (!freq_allowed(ssid->freq_list, bss->freq)) {
518 wpa_printf(MSG_DEBUG, " skip - frequency not "
519 "allowed");
0c703df3 520 continue;
6fc6879b 521 }
d8d940b7 522
73e49269
JM		 523#ifdef CONFIG_P2P
524 /*
525 * TODO: skip the AP if its P2P IE has Group Formation
526 * bit set in the P2P Group Capability Bitmap and we
527 * are not in Group Formation with that device.
528 */
529#endif /* CONFIG_P2P */
530
d8d940b7
JM		 531 /* Matching configuration found */
532 return ssid;
6fc6879b
JM		 533 }
534
d8d940b7
JM		 535 /* No matching configuration found */
536 return 0;
9cf32261
JM		 537}
538
539
6fa81a3b 540static struct wpa_bss *
a1fd2ce5
JM		 541wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
542 struct wpa_scan_results *scan_res,
543 struct wpa_ssid *group,
9cf32261
JM		 544 struct wpa_ssid **selected_ssid)
545{
d8d940b7 546 size_t i;
9cf32261
JM		 547
548 wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
549 group->priority);
550
d8d940b7
JM		 551 for (i = 0; i < scan_res->num; i++) {
552 struct wpa_scan_res *bss = scan_res->res[i];
553 const u8 *ie, *ssid;
554 u8 ssid_len;
555
556 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group);
557 if (!*selected_ssid)
558 continue;
559
560 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
561 ssid = ie ? ie + 2 : (u8 *) "";
562 ssid_len = ie ? ie[1] : 0;
9cf32261 563
d8d940b7
JM		 564 wpa_printf(MSG_DEBUG, " selected BSS " MACSTR " ssid='%s'",
565 MAC2STR(bss->bssid), wpa_ssid_txt(ssid, ssid_len));
566 return wpa_bss_get(wpa_s, bss->bssid, ssid, ssid_len);
567 }
568
569 return NULL;
6fc6879b
JM		 570}
571
572
6fa81a3b 573static struct wpa_bss *
09b9df4e 574wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
a1fd2ce5 575 struct wpa_scan_results *scan_res,
09b9df4e 576 struct wpa_ssid **selected_ssid)
6fc6879b 577{
6fa81a3b 578 struct wpa_bss *selected = NULL;
09b9df4e
JM		 579 int prio;
580
581 while (selected == NULL) {
582 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
583 selected = wpa_supplicant_select_bss(
a1fd2ce5 584 wpa_s, scan_res, wpa_s->conf->pssid[prio],
09b9df4e
JM		 585 selected_ssid);
586 if (selected)
587 break;
588 }
589
590 if (selected == NULL && wpa_s->blacklist) {
591 wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
592 "and try again");
593 wpa_blacklist_clear(wpa_s);
594 wpa_s->blacklist_cleared++;
595 } else if (selected == NULL)
596 break;
597 }
598
599 return selected;
600}
601
602
603static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 604 int timeout_sec, int timeout_usec)
09b9df4e 605{
24f76940 606 if (!wpa_supplicant_enabled_networks(wpa_s->conf)) {
4f34d51a
SL		 607 /*
608 * No networks are enabled; short-circuit request so
609 * we don't wait timeout seconds before transitioning
610 * to INACTIVE state.
611 */
612 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
613 return;
09b9df4e 614 }
977b1174 615 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 616}
617
618
86d4f806
JM		 619void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
620 struct wpa_bss *selected,
621 struct wpa_ssid *ssid)
09b9df4e
JM		 622{
623 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
624 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
625 "PBC session overlap");
b73bf0a7
JM		 626#ifdef CONFIG_P2P
627 if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
628 return;
629#endif /* CONFIG_P2P */
977b1174 630 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
09b9df4e
JM		 631 return;
632 }
633
634 /*
635 * Do not trigger new association unless the BSSID has changed or if
636 * reassociation is requested. If we are in process of associating with
637 * the selected BSSID, do not trigger new attempt.
638 */
639 if (wpa_s->reassociate ||
640 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
641 (wpa_s->wpa_state != WPA_ASSOCIATING ||
642 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
643 0))) {
644 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 645 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
09b9df4e
JM		 646 return;
647 }
648 wpa_supplicant_associate(wpa_s, selected, ssid);
649 } else {
650 wpa_printf(MSG_DEBUG, "Already associated with the selected "
651 "AP");
652 }
09b9df4e
JM		 653}
654
655
b55aaa5f
JM		 656static struct wpa_ssid *
657wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
658{
659 int prio;
660 struct wpa_ssid *ssid;
661
662 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
663 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
664 {
665 if (ssid->disabled)
666 continue;
667 if (ssid->mode == IEEE80211_MODE_IBSS ||
668 ssid->mode == IEEE80211_MODE_AP)
669 return ssid;
670 }
671 }
672 return NULL;
673}
674
675
a1fd2ce5
JM		 676/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
677 * on BSS added and BSS changed events */
6ae93185 678static void wpa_supplicant_rsn_preauth_scan_results(
a1fd2ce5 679 struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
6ae93185
JM		 680{
681 int i;
682
683 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
684 return;
685
a1fd2ce5 686 for (i = scan_res->num - 1; i >= 0; i--) {
6ae93185
JM		 687 const u8 *ssid, *rsn;
688 struct wpa_scan_res *r;
689
a1fd2ce5 690 r = scan_res->res[i];
6ae93185
JM		 691
692 ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
693 if (ssid == NULL)
694 continue;
695
696 rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
697 if (rsn == NULL)
698 continue;
699
700 rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
701 }
702
703}
704
705
48563d86
JM		 706static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
707 struct wpa_bss *selected,
708 struct wpa_ssid *ssid,
709 struct wpa_scan_results *scan_res)
710{
711 size_t i;
712 struct wpa_scan_res *current_bss = NULL;
713 int min_diff;
714
715 if (wpa_s->reassociate)
716 return 1; /* explicit request to reassociate */
717 if (wpa_s->wpa_state < WPA_ASSOCIATED)
718 return 1; /* we are not associated; continue */
719 if (wpa_s->current_ssid == NULL)
720 return 1; /* unknown current SSID */
721 if (wpa_s->current_ssid != ssid)
722 return 1; /* different network block */
723
724 for (i = 0; i < scan_res->num; i++) {
725 struct wpa_scan_res *res = scan_res->res[i];
726 const u8 *ie;
727 if (os_memcmp(res->bssid, wpa_s->bssid, ETH_ALEN) != 0)
728 continue;
729
730 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
731 if (ie == NULL)
732 continue;
733 if (ie[1] != wpa_s->current_ssid->ssid_len ||
734 os_memcmp(ie + 2, wpa_s->current_ssid->ssid, ie[1]) != 0)
735 continue;
736 current_bss = res;
737 break;
738 }
739
740 if (!current_bss)
741 return 1; /* current BSS not seen in scan results */
742
743 wpa_printf(MSG_DEBUG, "Considering within-ESS reassociation");
744 wpa_printf(MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
745 MAC2STR(current_bss->bssid), current_bss->level);
746 wpa_printf(MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
747 MAC2STR(selected->bssid), selected->level);
748
ac26ebd8
JM		 749 if (wpa_s->current_ssid->bssid_set &&
750 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
751 0) {
752 wpa_printf(MSG_DEBUG, "Allow reassociation - selected BSS has "
753 "preferred BSSID");
754 return 1;
755 }
756
48563d86
JM		 757 min_diff = 2;
758 if (current_bss->level < 0) {
759 if (current_bss->level < -85)
760 min_diff = 1;
761 else if (current_bss->level < -80)
762 min_diff = 2;
763 else if (current_bss->level < -75)
764 min_diff = 3;
765 else if (current_bss->level < -70)
766 min_diff = 4;
767 else
768 min_diff = 5;
769 }
770 if (abs(current_bss->level - selected->level) < min_diff) {
771 wpa_printf(MSG_DEBUG, "Skip roam - too small difference in "
772 "signal level");
773 return 0;
774 }
775
776 return 1;
777}
778
779
8d923a4a
JM		 780static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
781 union wpa_event_data *data)
09b9df4e 782{
6fa81a3b 783 struct wpa_bss *selected;
6fc6879b 784 struct wpa_ssid *ssid = NULL;
a1fd2ce5 785 struct wpa_scan_results *scan_res;
5bc0cdb7
JM		 786 int ap = 0;
787
788#ifdef CONFIG_AP
789 if (wpa_s->ap_iface)
790 ap = 1;
791#endif /* CONFIG_AP */
6fc6879b 792
cb8564b1
DW		 793 wpa_supplicant_notify_scanning(wpa_s, 0);
794
a1fd2ce5
JM		 795 scan_res = wpa_supplicant_get_scan_results(wpa_s,
796 data ? &data->scan_info :
797 NULL, 1);
798 if (scan_res == NULL) {
5bc0cdb7 799 if (wpa_s->conf->ap_scan == 2 || ap)
6fc6879b
JM		 800 return;
801 wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
802 "scanning again");
977b1174 803 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
09b9df4e 804 return;
6fc6879b
JM		 805 }
806
64e58f51
JM		 807 if (wpa_s->scan_res_handler) {
808 wpa_s->scan_res_handler(wpa_s, scan_res);
809 wpa_s->scan_res_handler = NULL;
810 wpa_scan_results_free(scan_res);
811 return;
812 }
813
5bc0cdb7
JM		 814 if (ap) {
815 wpa_printf(MSG_DEBUG, "Ignore scan results in AP mode");
816 wpa_scan_results_free(scan_res);
817 return;
818 }
819
24f76940
JM		 820 wpa_printf(MSG_DEBUG, "New scan results available");
821 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
822 wpas_notify_scan_results(wpa_s);
6fc6879b 823
8bac466b
JM		 824 wpas_notify_scan_done(wpa_s, 1);
825
a1fd2ce5
JM		 826 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
827 wpa_scan_results_free(scan_res);
6fc6879b 828 return;
a1fd2ce5 829 }
6fc6879b 830
3180d7a2
SO		 831 if (wpa_s->disconnected) {
832 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
a1fd2ce5 833 wpa_scan_results_free(scan_res);
3180d7a2
SO		 834 return;
835 }
836
c2594c36 837 if (bgscan_notify_scan(wpa_s, scan_res) == 1) {
a1fd2ce5 838 wpa_scan_results_free(scan_res);
60b94c98 839 return;
a1fd2ce5
JM		 840 }
841
842 wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
60b94c98 843
a1fd2ce5 844 selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
6ae93185 845
6fc6879b 846 if (selected) {
48563d86
JM		 847 int skip;
848 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid,
849 scan_res);
850 wpa_scan_results_free(scan_res);
851 if (skip)
852 return;
09b9df4e 853 wpa_supplicant_connect(wpa_s, selected, ssid);
6fc6879b 854 } else {
48563d86 855 wpa_scan_results_free(scan_res);
09b9df4e 856 wpa_printf(MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 857 ssid = wpa_supplicant_pick_new_network(wpa_s);
858 if (ssid) {
859 wpa_printf(MSG_DEBUG, "Setup a new network");
860 wpa_supplicant_associate(wpa_s, NULL, ssid);
977b1174
JM		 861 } else {
862 int timeout_sec = 5;
863 int timeout_usec = 0;
0817de90
JM		 864#ifdef CONFIG_P2P
865 if (wpa_s->p2p_in_provisioning) {
866 /*
867 * Use shorter wait during P2P Provisioning
868 * state to speed up group formation.
869 */
870 timeout_sec = 0;
871 timeout_usec = 250000;
872 }
873#endif /* CONFIG_P2P */
977b1174
JM		 874 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
875 timeout_usec);
876 }
6fc6879b 877 }
6fc6879b
JM		 878}
879#endif /* CONFIG_NO_SCAN_PROCESSING */
880
881
579ce771
JM		 882static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
883 union wpa_event_data *data)
6fc6879b
JM		 884{
885 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 886 const u8 *p;
6fc6879b
JM		 887
888 wpa_printf(MSG_DEBUG, "Association info event");
889 if (data->assoc_info.req_ies)
890 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
891 data->assoc_info.req_ies_len);
892 if (data->assoc_info.resp_ies)
893 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
894 data->assoc_info.resp_ies_len);
895 if (data->assoc_info.beacon_ies)
896 wpa_hexdump(MSG_DEBUG, "beacon_ies",
897 data->assoc_info.beacon_ies,
898 data->assoc_info.beacon_ies_len);
4832ecd7
JM		 899 if (data->assoc_info.freq)
900 wpa_printf(MSG_DEBUG, "freq=%u MHz", data->assoc_info.freq);
6fc6879b
JM		 901
902 p = data->assoc_info.req_ies;
903 l = data->assoc_info.req_ies_len;
904
905 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
906 while (p && l >= 2) {
907 len = p[1] + 2;
908 if (len > l) {
909 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
910 p, l);
911 break;
912 }
913 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
914 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
915 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
916 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
917 break;
918 found = 1;
919 wpa_find_assoc_pmkid(wpa_s);
920 break;
921 }
922 l -= len;
923 p += len;
924 }
925 if (!found && data->assoc_info.req_ies)
926 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
927
c2a04078 928#ifdef CONFIG_IEEE80211R
62c72d72
JM		 929#ifdef CONFIG_SME
930 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
931 u8 bssid[ETH_ALEN];
932 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
933 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
934 data->assoc_info.resp_ies,
935 data->assoc_info.resp_ies_len,
936 bssid) < 0) {
937 wpa_printf(MSG_DEBUG, "FT: Validation of "
938 "Reassociation Response failed");
579ce771
JM		 939 wpa_supplicant_deauthenticate(
940 wpa_s, WLAN_REASON_INVALID_IE);
941 return -1;
62c72d72
JM		 942 }
943 }
62c72d72 944
c2a04078
JM		 945 p = data->assoc_info.resp_ies;
946 l = data->assoc_info.resp_ies_len;
947
54f489be
JM		 948#ifdef CONFIG_WPS_STRICT
949 if (wpa_s->current_ssid &&
950 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
951 struct wpabuf *wps;
952 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
953 if (wps == NULL) {
954 wpa_printf(MSG_INFO, "WPS-STRICT: AP did not include "
955 "WPS IE in (Re)Association Response");
956 return -1;
957 }
958
959 if (wps_validate_assoc_resp(wps) < 0) {
960 wpabuf_free(wps);
961 wpa_supplicant_deauthenticate(
962 wpa_s, WLAN_REASON_INVALID_IE);
963 return -1;
964 }
965 wpabuf_free(wps);
966 }
967#endif /* CONFIG_WPS_STRICT */
968
e7846b68 969 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 970 while (p && l >= 2) {
971 len = p[1] + 2;
972 if (len > l) {
973 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
974 p, l);
975 break;
976 }
e7846b68
JM		 977 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
978 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
979 wpa_s->sme.ft_used = 1;
980 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
981 MOBILITY_DOMAIN_ID_LEN);
982 break;
983 }
c2a04078
JM		 984 l -= len;
985 p += len;
986 }
e7846b68 987#endif /* CONFIG_SME */
c2a04078 988
e7846b68
JM		 989 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
990 data->assoc_info.resp_ies_len);
c2a04078
JM		 991#endif /* CONFIG_IEEE80211R */
992
6fc6879b
JM		 993 /* WPA/RSN IE from Beacon/ProbeResp */
994 p = data->assoc_info.beacon_ies;
995 l = data->assoc_info.beacon_ies_len;
996
997 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
998 */
999 wpa_found = rsn_found = 0;
1000 while (p && l >= 2) {
1001 len = p[1] + 2;
1002 if (len > l) {
1003 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1004 p, l);
1005 break;
1006 }
1007 if (!wpa_found &&
1008 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1009 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1010 wpa_found = 1;
1011 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1012 }
1013
1014 if (!rsn_found &&
1015 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1016 rsn_found = 1;
1017 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1018 }
1019
1020 l -= len;
1021 p += len;
1022 }
1023
1024 if (!wpa_found && data->assoc_info.beacon_ies)
1025 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1026 if (!rsn_found && data->assoc_info.beacon_ies)
1027 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1028 if (wpa_found || rsn_found)
1029 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7
JM		 1030
1031 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 1032
1033 return 0;
6fc6879b
JM		 1034}
1035
1036
1037static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1038 union wpa_event_data *data)
1039{
1040 u8 bssid[ETH_ALEN];
1d041bec 1041 int ft_completed;
8bac466b 1042 int bssid_changed;
0194fedb 1043 struct wpa_driver_capa capa;
6fc6879b 1044
1d041bec
JM		 1045#ifdef CONFIG_AP
1046 if (wpa_s->ap_iface) {
1047 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1048 data->assoc_info.addr,
1049 data->assoc_info.req_ies,
1050 data->assoc_info.req_ies_len);
1051 return;
1052 }
1053#endif /* CONFIG_AP */
1054
1055 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 1056 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1057 return;
6fc6879b
JM		 1058
1059 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
c2a04078 1060 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
6fc6879b 1061 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
c2a04078 1062 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
6fc6879b
JM		 1063 (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
1064 os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
1065 wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
1066 MACSTR, MAC2STR(bssid));
8bac466b 1067 bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN);
6fc6879b
JM		 1068 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1069 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
8bac466b
JM		 1070 if (bssid_changed)
1071 wpas_notify_bssid_changed(wpa_s);
1072
6fc6879b
JM		 1073 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1074 wpa_clear_keys(wpa_s, bssid);
1075 }
1076 if (wpa_supplicant_select_config(wpa_s) < 0) {
1077 wpa_supplicant_disassociate(
1078 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1079 return;
1080 }
8f770587
JM		 1081 if (wpa_s->current_ssid) {
1082 struct wpa_bss *bss = NULL;
1083 struct wpa_ssid *ssid = wpa_s->current_ssid;
1084 if (ssid->ssid_len > 0)
1085 bss = wpa_bss_get(wpa_s, bssid,
1086 ssid->ssid, ssid->ssid_len);
1087 if (!bss)
1088 bss = wpa_bss_get_bssid(wpa_s, bssid);
1089 if (bss)
1090 wpa_s->current_bss = bss;
1091 }
6fc6879b
JM		 1092 }
1093
62fa124c
JM		 1094#ifdef CONFIG_SME
1095 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1096 wpa_s->sme.prev_bssid_set = 1;
1097#endif /* CONFIG_SME */
1098
6fc6879b
JM		 1099 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1100 if (wpa_s->current_ssid) {
1101 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1102 * initialized before association, but for other modes,
1103 * initialize PC/SC here, if the current configuration needs
1104 * smartcard or SIM/USIM. */
1105 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1106 }
1107 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 1108 if (wpa_s->l2)
1109 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b
JM		 1110
1111 /*
1112 * Set portEnabled first to FALSE in order to get EAP state machine out
1113 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1114 * state machine may transit to AUTHENTICATING state based on obsolete
1115 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1116 * AUTHENTICATED without ever giving chance to EAP state machine to
1117 * reset the state.
1118 */
1119 if (!ft_completed) {
1120 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1121 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1122 }
56586197 1123 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
6fc6879b
JM		 1124 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1125 /* 802.1X::portControl = Auto */
1126 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1127 wpa_s->eapol_received = 0;
1128 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 1129 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1130 (wpa_s->current_ssid &&
1131 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
6fc6879b
JM		 1132 wpa_supplicant_cancel_auth_timeout(wpa_s);
1133 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1134 } else if (!ft_completed) {
1135 /* Timeout for receiving the first EAPOL packet */
1136 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1137 }
1138 wpa_supplicant_cancel_scan(wpa_s);
1139
c2a04078 1140 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 1141 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1142 /*
1143 * We are done; the driver will take care of RSN 4-way
1144 * handshake.
1145 */
1146 wpa_supplicant_cancel_auth_timeout(wpa_s);
1147 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1148 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1149 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1150 }
1ff73338
JM		 1151
1152 if (wpa_s->pending_eapol_rx) {
1153 struct os_time now, age;
1154 os_get_time(&now);
1155 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1156 if (age.sec == 0 && age.usec < 100000 &&
1157 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1158 0) {
1159 wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
1160 "that was received just before association "
1161 "notification");
1162 wpa_supplicant_rx_eapol(
1163 wpa_s, wpa_s->pending_eapol_rx_src,
1164 wpabuf_head(wpa_s->pending_eapol_rx),
1165 wpabuf_len(wpa_s->pending_eapol_rx));
1166 }
1167 wpabuf_free(wpa_s->pending_eapol_rx);
1168 wpa_s->pending_eapol_rx = NULL;
1169 }
60b94c98
JM		 1170
1171#ifdef CONFIG_BGSCAN
1172 if (wpa_s->current_ssid != wpa_s->bgscan_ssid) {
1173 bgscan_deinit(wpa_s);
1174 if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
1175 if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
1176 wpa_printf(MSG_DEBUG, "Failed to initialize "
1177 "bgscan");
1178 /*
1179 * Live without bgscan; it is only used as a
1180 * roaming optimization, so the initial
1181 * connection is not affected.
1182 */
1183 } else
1184 wpa_s->bgscan_ssid = wpa_s->current_ssid;
1185 } else
1186 wpa_s->bgscan_ssid = NULL;
1187 }
1188#endif /* CONFIG_BGSCAN */
0194fedb
JB		 1189
1190 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1191 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
1192 wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
1193 capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) {
1194 /* Set static WEP keys again */
1195 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1196 }
6fc6879b
JM		 1197}
1198
1199
0544b242
JM		 1200static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
1201 u16 reason_code)
6fc6879b
JM		 1202{
1203 const u8 *bssid;
6d6f4bb8
JM		 1204#ifdef CONFIG_SME
1205 int authenticating;
1206 u8 prev_pending_bssid[ETH_ALEN];
1207
1208 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
1209 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
1210#endif /* CONFIG_SME */
6fc6879b
JM		 1211
1212 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1213 /*
1214 * At least Host AP driver and a Prism3 card seemed to be
1215 * generating streams of disconnected events when configuring
1216 * IBSS for WPA-None. Ignore them for now.
1217 */
1218 wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
1219 "IBSS/WPA-None mode");
1220 return;
1221 }
1222
1223 if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
56586197 1224 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1225 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
1226 "pre-shared key may be incorrect");
1227 }
0d0a8ca1
AC		 1228 if (!wpa_s->auto_reconnect_disabled ||
1229 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
1230 wpa_printf(MSG_DEBUG, "WPA: Auto connect enabled: try to "
1231 "reconnect (wps=%d)",
1232 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS);
ea184114 1233 if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1
AC		 1234 wpa_supplicant_req_scan(wpa_s, 0, 100000);
1235 } else {
1236 wpa_printf(MSG_DEBUG, "WPA: Auto connect disabled: do not try "
1237 "to re-connect");
1238 wpa_s->reassociate = 0;
1239 wpa_s->disconnected = 1;
1240 }
6fc6879b 1241 bssid = wpa_s->bssid;
a8e16edc 1242 if (is_zero_ether_addr(bssid))
6fc6879b
JM		 1243 bssid = wpa_s->pending_bssid;
1244 wpa_blacklist_add(wpa_s, bssid);
1245 wpa_sm_notify_disassoc(wpa_s->wpa);
0544b242
JM		 1246 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
1247 " reason=%d",
1248 MAC2STR(bssid), reason_code);
6fc6879b 1249 if (wpa_supplicant_dynamic_keys(wpa_s)) {
0544b242 1250 wpa_printf(MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 1251 wpa_s->keys_cleared = 0;
1252 wpa_clear_keys(wpa_s, wpa_s->bssid);
1253 }
1254 wpa_supplicant_mark_disassoc(wpa_s);
60b94c98 1255 bgscan_deinit(wpa_s);
3b038d79 1256 wpa_s->bgscan_ssid = NULL;
6d6f4bb8
JM		 1257#ifdef CONFIG_SME
1258 if (authenticating &&
1259 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
1260 /*
1261 * mac80211-workaround to force deauth on failed auth cmd,
1262 * requires us to remain in authenticating state to allow the
1263 * second authentication attempt to be continued properly.
1264 */
1265 wpa_printf(MSG_DEBUG, "SME: Allow pending authentication to "
1266 "proceed after disconnection event");
1267 wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
1268 os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN);
1269 }
1270#endif /* CONFIG_SME */
6fc6879b
JM		 1271}
1272
1273
46690a3b
JM		 1274#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1275static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
1276 void *sock_ctx)
1277{
1278 struct wpa_supplicant *wpa_s = eloop_ctx;
1279
1280 if (!wpa_s->pending_mic_error_report)
1281 return;
1282
1283 wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report");
1284 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
1285 wpa_s->pending_mic_error_report = 0;
1286}
1287#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1288
1289
6fc6879b
JM		 1290static void
1291wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
1292 union wpa_event_data *data)
1293{
1294 int pairwise;
1295 struct os_time t;
1296
1297 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
1298 pairwise = (data && data->michael_mic_failure.unicast);
6fc6879b 1299 os_get_time(&t);
46690a3b
JM		 1300 if ((wpa_s->last_michael_mic_error &&
1301 t.sec - wpa_s->last_michael_mic_error <= 60) ||
1302 wpa_s->pending_mic_error_report) {
1303 if (wpa_s->pending_mic_error_report) {
1304 /*
1305 * Send the pending MIC error report immediately since
1306 * we are going to start countermeasures and AP better
1307 * do the same.
1308 */
1309 wpa_sm_key_request(wpa_s->wpa, 1,
1310 wpa_s->pending_mic_error_pairwise);
1311 }
1312
1313 /* Send the new MIC error report immediately since we are going
1314 * to start countermeasures and AP better do the same.
1315 */
1316 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1317
6fc6879b
JM		 1318 /* initialize countermeasures */
1319 wpa_s->countermeasures = 1;
1320 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
1321
1322 /*
1323 * Need to wait for completion of request frame. We do not get
1324 * any callback for the message completion, so just wait a
1325 * short while and hope for the best. */
1326 os_sleep(0, 10000);
1327
1328 wpa_drv_set_countermeasures(wpa_s, 1);
1329 wpa_supplicant_deauthenticate(wpa_s,
1330 WLAN_REASON_MICHAEL_MIC_FAILURE);
1331 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
1332 wpa_s, NULL);
1333 eloop_register_timeout(60, 0,
1334 wpa_supplicant_stop_countermeasures,
1335 wpa_s, NULL);
1336 /* TODO: mark the AP rejected for 60 second. STA is
1337 * allowed to associate with another AP.. */
46690a3b
JM		 1338 } else {
1339#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1340 if (wpa_s->mic_errors_seen) {
1341 /*
1342 * Reduce the effectiveness of Michael MIC error
1343 * reports as a means for attacking against TKIP if
1344 * more than one MIC failure is noticed with the same
1345 * PTK. We delay the transmission of the reports by a
1346 * random time between 0 and 60 seconds in order to
1347 * force the attacker wait 60 seconds before getting
1348 * the information on whether a frame resulted in a MIC
1349 * failure.
1350 */
1351 u8 rval[4];
1352 int sec;
1353
1354 if (os_get_random(rval, sizeof(rval)) < 0)
1355 sec = os_random() % 60;
1356 else
1357 sec = WPA_GET_BE32(rval) % 60;
1358 wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d "
1359 "seconds", sec);
1360 wpa_s->pending_mic_error_report = 1;
1361 wpa_s->pending_mic_error_pairwise = pairwise;
1362 eloop_cancel_timeout(
1363 wpa_supplicant_delayed_mic_error_report,
1364 wpa_s, NULL);
1365 eloop_register_timeout(
1366 sec, os_random() % 1000000,
1367 wpa_supplicant_delayed_mic_error_report,
1368 wpa_s, NULL);
1369 } else {
1370 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1371 }
1372#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1373 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1374#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b
JM		 1375 }
1376 wpa_s->last_michael_mic_error = t.sec;
46690a3b 1377 wpa_s->mic_errors_seen++;
6fc6879b
JM		 1378}
1379
1380
a83d9c96
SL		 1381#ifdef CONFIG_TERMINATE_ONLASTIF
1382static int any_interfaces(struct wpa_supplicant *head)
1383{
1384 struct wpa_supplicant *wpa_s;
1385
1386 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
1387 if (!wpa_s->interface_removed)
1388 return 1;
1389 return 0;
1390}
1391#endif /* CONFIG_TERMINATE_ONLASTIF */
1392
1393
6fc6879b
JM		 1394static void
1395wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
1396 union wpa_event_data *data)
1397{
1398 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
1399 return;
1400
1401 switch (data->interface_status.ievent) {
1402 case EVENT_INTERFACE_ADDED:
1403 if (!wpa_s->interface_removed)
1404 break;
1405 wpa_s->interface_removed = 0;
1406 wpa_printf(MSG_DEBUG, "Configured interface was added.");
1407 if (wpa_supplicant_driver_init(wpa_s) < 0) {
1408 wpa_printf(MSG_INFO, "Failed to initialize the driver "
1409 "after interface was added.");
1410 }
1411 break;
1412 case EVENT_INTERFACE_REMOVED:
1413 wpa_printf(MSG_DEBUG, "Configured interface was removed.");
1414 wpa_s->interface_removed = 1;
1415 wpa_supplicant_mark_disassoc(wpa_s);
1416 l2_packet_deinit(wpa_s->l2);
1417 wpa_s->l2 = NULL;
a83d9c96
SL		 1418#ifdef CONFIG_TERMINATE_ONLASTIF
1419 /* check if last interface */
1420 if (!any_interfaces(wpa_s->global->ifaces))
1421 eloop_terminate();
1422#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 1423 break;
1424 }
1425}
1426
1427
1428#ifdef CONFIG_PEERKEY
1429static void
1430wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
1431 union wpa_event_data *data)
1432{
1433 if (data == NULL)
1434 return;
1435 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
1436}
1437#endif /* CONFIG_PEERKEY */
1438
1439
1440#ifdef CONFIG_IEEE80211R
1441static void
1442wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
1443 union wpa_event_data *data)
1444{
1445 if (data == NULL)
1446 return;
1447
1448 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
1449 data->ft_ies.ies_len,
1450 data->ft_ies.ft_action,
babfbf15
JM		 1451 data->ft_ies.target_ap,
1452 data->ft_ies.ric_ies,
1453 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 1454 /* TODO: prevent MLME/driver from trying to associate? */
1455 }
1456}
1457#endif /* CONFIG_IEEE80211R */
1458
1459
11ef8d35
JM		 1460#ifdef CONFIG_IBSS_RSN
1461static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
1462 union wpa_event_data *data)
1463{
1464 if (data == NULL)
1465 return;
1466 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
1467}
1468#endif /* CONFIG_IBSS_RSN */
1469
1470
036f7c4a
JM		 1471#ifdef CONFIG_IEEE80211R
1472static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
1473 size_t len)
1474{
1475 const u8 *sta_addr, *target_ap_addr;
1476 u16 status;
1477
1478 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
1479 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
1480 return; /* only SME case supported for now */
1481 if (len < 1 + 2 * ETH_ALEN + 2)
1482 return;
1483 if (data[0] != 2)
1484 return; /* Only FT Action Response is supported for now */
1485 sta_addr = data + 1;
1486 target_ap_addr = data + 1 + ETH_ALEN;
1487 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
1488 wpa_printf(MSG_DEBUG, "FT: Received FT Action Response: STA " MACSTR
1489 " TargetAP " MACSTR " status %u",
1490 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
1491
1492 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
1493 wpa_printf(MSG_DEBUG, "FT: Foreign STA Address " MACSTR
1494 " in FT Action Response", MAC2STR(sta_addr));
1495 return;
1496 }
1497
1498 if (status) {
1499 wpa_printf(MSG_DEBUG, "FT: FT Action Response indicates "
1500 "failure (status code %d)", status);
1501 /* TODO: report error to FT code(?) */
1502 return;
1503 }
1504
1505 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
1506 len - (1 + 2 * ETH_ALEN + 2), 1,
1507 target_ap_addr, NULL, 0) < 0)
1508 return;
1509
fe191985
JM		 1510#ifdef CONFIG_SME
1511 {
1512 struct wpa_bss *bss;
1513 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
1514 if (bss)
1515 wpa_s->sme.freq = bss->freq;
62c72d72 1516 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 1517 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
1518 WLAN_AUTH_FT);
1519 }
1520#endif /* CONFIG_SME */
036f7c4a
JM		 1521}
1522#endif /* CONFIG_IEEE80211R */
1523
1524
9646a8ab 1525void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 1526 union wpa_event_data *data)
1527{
1528 struct wpa_supplicant *wpa_s = ctx;
0544b242 1529 u16 reason_code = 0;
6fc6879b 1530
8401a6b0
JM		 1531 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
1532 event != EVENT_INTERFACE_ENABLED &&
1533 event != EVENT_INTERFACE_STATUS) {
1534 wpa_printf(MSG_DEBUG, "Ignore event %d while interface is "
1535 "disabled", event);
1536 return;
1537 }
1538
9b7124b2
JM		 1539 wpa_printf(MSG_DEBUG, "Event %d received on interface %s",
1540 event, wpa_s->ifname);
1541
6fc6879b 1542 switch (event) {
c2a04078
JM		 1543 case EVENT_AUTH:
1544 sme_event_auth(wpa_s, data);
1545 break;
6fc6879b
JM		 1546 case EVENT_ASSOC:
1547 wpa_supplicant_event_assoc(wpa_s, data);
1548 break;
1549 case EVENT_DISASSOC:
159dd3e2 1550 wpa_printf(MSG_DEBUG, "Disassociation notification");
2e75a2b3
JM		 1551 if (data) {
1552 wpa_printf(MSG_DEBUG, " * reason %u",
1553 data->disassoc_info.reason_code);
1554 if (data->disassoc_info.addr)
1555 wpa_printf(MSG_DEBUG, " * address " MACSTR,
1556 MAC2STR(data->disassoc_info.addr));
1557 }
1d041bec 1558#ifdef CONFIG_AP
7f542069 1559 if (wpa_s->ap_iface && data && data->disassoc_info.addr) {
1d041bec
JM		 1560 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1561 data->disassoc_info.addr);
1562 break;
1563 }
1564#endif /* CONFIG_AP */
9fdd0fad
JM		 1565 if (data) {
1566 reason_code = data->disassoc_info.reason_code;
1567 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
1568 data->disassoc_info.ie,
1569 data->disassoc_info.ie_len);
1570#ifdef CONFIG_P2P
1571 wpas_p2p_disassoc_notif(
1572 wpa_s, data->disassoc_info.addr, reason_code,
1573 data->disassoc_info.ie,
1574 data->disassoc_info.ie_len);
1575#endif /* CONFIG_P2P */
1576 }
0e379654
JM		 1577 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
1578 sme_event_disassoc(wpa_s, data);
a84ed99e
JM		 1579 /* fall through */
1580 case EVENT_DEAUTH:
0544b242 1581 if (event == EVENT_DEAUTH) {
159dd3e2 1582 wpa_printf(MSG_DEBUG, "Deauthentication notification");
2e75a2b3 1583 if (data) {
0544b242 1584 reason_code = data->deauth_info.reason_code;
2e75a2b3
JM		 1585 wpa_printf(MSG_DEBUG, " * reason %u",
1586 data->deauth_info.reason_code);
1587 if (data->deauth_info.addr) {
1588 wpa_printf(MSG_DEBUG, " * address "
1589 MACSTR,
1590 MAC2STR(data->deauth_info.
1591 addr));
1592 }
9fdd0fad
JM		 1593 wpa_hexdump(MSG_DEBUG,
1594 "Deauthentication frame IE(s)",
1595 data->deauth_info.ie,
1596 data->deauth_info.ie_len);
1597#ifdef CONFIG_P2P
1598 wpas_p2p_deauth_notif(
1599 wpa_s, data->deauth_info.addr,
1600 reason_code,
1601 data->deauth_info.ie,
1602 data->deauth_info.ie_len);
1603#endif /* CONFIG_P2P */
2e75a2b3 1604 }
0544b242 1605 }
1d041bec 1606#ifdef CONFIG_AP
7f542069 1607 if (wpa_s->ap_iface && data && data->deauth_info.addr) {
1d041bec
JM		 1608 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1609 data->deauth_info.addr);
1610 break;
1611 }
1612#endif /* CONFIG_AP */
0544b242 1613 wpa_supplicant_event_disassoc(wpa_s, reason_code);
6fc6879b
JM		 1614 break;
1615 case EVENT_MICHAEL_MIC_FAILURE:
1616 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
1617 break;
1618#ifndef CONFIG_NO_SCAN_PROCESSING
1619 case EVENT_SCAN_RESULTS:
8d923a4a 1620 wpa_supplicant_event_scan_results(wpa_s, data);
6fc6879b
JM		 1621 break;
1622#endif /* CONFIG_NO_SCAN_PROCESSING */
1623 case EVENT_ASSOCINFO:
1624 wpa_supplicant_event_associnfo(wpa_s, data);
1625 break;
1626 case EVENT_INTERFACE_STATUS:
1627 wpa_supplicant_event_interface_status(wpa_s, data);
1628 break;
1629 case EVENT_PMKID_CANDIDATE:
1630 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
1631 break;
1632#ifdef CONFIG_PEERKEY
1633 case EVENT_STKSTART:
1634 wpa_supplicant_event_stkstart(wpa_s, data);
1635 break;
1636#endif /* CONFIG_PEERKEY */
1637#ifdef CONFIG_IEEE80211R
1638 case EVENT_FT_RESPONSE:
1639 wpa_supplicant_event_ft_response(wpa_s, data);
1640 break;
1641#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 1642#ifdef CONFIG_IBSS_RSN
1643 case EVENT_IBSS_RSN_START:
1644 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
1645 break;
1646#endif /* CONFIG_IBSS_RSN */
efa46078
JM		 1647 case EVENT_ASSOC_REJECT:
1648 sme_event_assoc_reject(wpa_s, data);
1649 break;
da1fb17c
JM		 1650 case EVENT_AUTH_TIMED_OUT:
1651 sme_event_auth_timed_out(wpa_s, data);
1652 break;
1653 case EVENT_ASSOC_TIMED_OUT:
1654 sme_event_assoc_timed_out(wpa_s, data);
1655 break;
f8b1f695
JM		 1656#ifdef CONFIG_AP
1657 case EVENT_TX_STATUS:
9bae1be0
JM		 1658 wpa_printf(MSG_DEBUG, "EVENT_TX_STATUS on %s dst=" MACSTR
1659 " type=%d stype=%d pending_dst=" MACSTR,
1660 wpa_s->ifname, MAC2STR(data->tx_status.dst),
1661 data->tx_status.type, data->tx_status.stype,
1662 MAC2STR(wpa_s->parent->pending_action_dst));
1663 if (wpa_s->ap_iface == NULL) {
1664#ifdef CONFIG_P2P
1665 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
1666 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
1667 wpas_send_action_tx_status(
1668 wpa_s, data->tx_status.dst,
1669 data->tx_status.data,
1670 data->tx_status.data_len,
1671 data->tx_status.ack);
1672#endif /* CONFIG_P2P */
1673 break;
1674 }
1675#ifdef CONFIG_P2P
1676 /*
1677 * Catch TX status events for Action frames we sent via group
1678 * interface in GO mode.
1679 */
1680 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
1681 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
1682 os_memcmp(wpa_s->parent->pending_action_dst,
1683 data->tx_status.dst, ETH_ALEN) == 0) {
1684 wpas_send_action_tx_status(
1685 wpa_s->parent, data->tx_status.dst,
1686 data->tx_status.data,
1687 data->tx_status.data_len,
1688 data->tx_status.ack);
f8b1f695 1689 break;
9bae1be0
JM		 1690 }
1691#endif /* CONFIG_P2P */
f8b1f695
JM		 1692 switch (data->tx_status.type) {
1693 case WLAN_FC_TYPE_MGMT:
1694 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
1695 data->tx_status.data_len,
1696 data->tx_status.stype,
1697 data->tx_status.ack);
1698 break;
1699 case WLAN_FC_TYPE_DATA:
1700 ap_tx_status(wpa_s, data->tx_status.dst,
1701 data->tx_status.data,
1702 data->tx_status.data_len,
1703 data->tx_status.ack);
1704 break;
1705 }
1706 break;
1707 case EVENT_RX_FROM_UNKNOWN:
1708 if (wpa_s->ap_iface == NULL)
1709 break;
fdbe50ed 1710 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame,
f8b1f695
JM		 1711 data->rx_from_unknown.len);
1712 break;
1713 case EVENT_RX_MGMT:
9bae1be0
JM		 1714 if (wpa_s->ap_iface == NULL) {
1715#ifdef CONFIG_P2P
1716 u16 fc, stype;
1717 const struct ieee80211_mgmt *mgmt;
1718 mgmt = (const struct ieee80211_mgmt *)
1719 data->rx_mgmt.frame;
1720 fc = le_to_host16(mgmt->frame_control);
1721 stype = WLAN_FC_GET_STYPE(fc);
1722 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
1723 data->rx_mgmt.frame_len > 24) {
1724 const u8 *src = mgmt->sa;
1725 const u8 *ie = mgmt->u.probe_req.variable;
1726 size_t ie_len = data->rx_mgmt.frame_len -
1727 (mgmt->u.probe_req.variable -
1728 data->rx_mgmt.frame);
1729 wpas_p2p_probe_req_rx(wpa_s, src, ie, ie_len);
1730 break;
1731 }
1732#endif /* CONFIG_P2P */
1733 wpa_printf(MSG_DEBUG, "AP: ignore received management "
1734 "frame in non-AP mode");
f8b1f695 1735 break;
9bae1be0 1736 }
2a8b7416 1737 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
f8b1f695
JM		 1738 break;
1739#endif /* CONFIG_AP */
036f7c4a
JM		 1740 case EVENT_RX_ACTION:
1741 wpa_printf(MSG_DEBUG, "Received Action frame: SA=" MACSTR
1742 " Category=%u DataLen=%d freq=%d MHz",
1743 MAC2STR(data->rx_action.sa),
1744 data->rx_action.category, (int) data->rx_action.len,
1745 data->rx_action.freq);
1746#ifdef CONFIG_IEEE80211R
1747 if (data->rx_action.category == WLAN_ACTION_FT) {
1748 ft_rx_action(wpa_s, data->rx_action.data,
1749 data->rx_action.len);
1750 break;
1751 }
1752#endif /* CONFIG_IEEE80211R */
9bae1be0
JM		 1753#ifdef CONFIG_P2P
1754 wpas_p2p_rx_action(wpa_s, data->rx_action.da,
1755 data->rx_action.sa,
1756 data->rx_action.bssid,
1757 data->rx_action.category,
1758 data->rx_action.data,
1759 data->rx_action.len, data->rx_action.freq);
1760#endif /* CONFIG_P2P */
036f7c4a 1761 break;
9bae1be0
JM		 1762#ifdef CONFIG_P2P
1763 case EVENT_REMAIN_ON_CHANNEL:
1764 wpas_p2p_remain_on_channel_cb(
1765 wpa_s, data->remain_on_channel.freq,
1766 data->remain_on_channel.duration);
1767 break;
1768 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
1769 wpas_p2p_cancel_remain_on_channel_cb(
1770 wpa_s, data->remain_on_channel.freq);
1771 break;
1772 case EVENT_RX_PROBE_REQ:
1773 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
1774 data->rx_probe_req.ie,
1775 data->rx_probe_req.ie_len);
1776 break;
1777#endif /* CONFIG_P2P */
245519e0
JM		 1778#ifdef CONFIG_CLIENT_MLME
1779 case EVENT_MLME_RX: {
1780 struct ieee80211_rx_status rx_status;
1781 os_memset(&rx_status, 0, sizeof(rx_status));
1782 rx_status.freq = data->mlme_rx.freq;
1783 rx_status.channel = data->mlme_rx.channel;
1784 rx_status.ssi = data->mlme_rx.ssi;
1785 ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len,
1786 &rx_status);
1787 break;
1788 }
1789#endif /* CONFIG_CLIENT_MLME */
a8e0505b
JM		 1790 case EVENT_EAPOL_RX:
1791 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
1792 data->eapol_rx.data,
1793 data->eapol_rx.data_len);
1794 break;
e2f74005
JM		 1795 case EVENT_SIGNAL_CHANGE:
1796 bgscan_notify_signal_change(
60a972a6
JM		 1797 wpa_s, data->signal_change.above_threshold,
1798 data->signal_change.current_signal);
e2f74005 1799 break;
8401a6b0
JM		 1800 case EVENT_INTERFACE_ENABLED:
1801 wpa_printf(MSG_DEBUG, "Interface was enabled");
1802 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
1803 wpa_supplicant_set_state(wpa_s,
1804 WPA_DISCONNECTED);
1805 wpa_supplicant_req_scan(wpa_s, 0, 0);
1806 }
1807 break;
1808 case EVENT_INTERFACE_DISABLED:
1809 wpa_printf(MSG_DEBUG, "Interface was disabled");
1810 wpa_supplicant_mark_disassoc(wpa_s);
1811 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
1812 break;
6fc6879b
JM		 1813 default:
1814 wpa_printf(MSG_INFO, "Unknown event %d", event);
1815 break;
1816 }
1817}
Unnamed repository; edit this file 'description' to name the repository.