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P2P: Extend the listen time based on the active concurrent session
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
d12a51b5 3 * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "eapol_supp/eapol_supp_sm.h"
3acb5005 13#include "rsn_supp/wpa.h"
6fc6879b 14#include "eloop.h"
6fc6879b
JM		 15#include "config.h"
16#include "l2_packet/l2_packet.h"
17#include "wpa_supplicant_i.h"
2d5b792d 18#include "driver_i.h"
6fc6879b 19#include "pcsc_funcs.h"
3acb5005
JM		 20#include "rsn_supp/preauth.h"
21#include "rsn_supp/pmksa_cache.h"
90973fb2 22#include "common/wpa_ctrl.h"
6fc6879b 23#include "eap_peer/eap.h"
1d041bec 24#include "ap/hostapd.h"
93b7ddd0 25#include "p2p/p2p.h"
75cad1a0 26#include "wnm_sta.h"
8bac466b 27#include "notify.h"
90973fb2 28#include "common/ieee802_11_defs.h"
54f489be 29#include "common/ieee802_11_common.h"
bbb921da 30#include "crypto/random.h"
6fc6879b
JM		 31#include "blacklist.h"
32#include "wpas_glue.h"
351f09a2 33#include "wps_supplicant.h"
11ef8d35 34#include "ibss_rsn.h"
c2a04078 35#include "sme.h"
04ea7b79 36#include "gas_query.h"
9bae1be0 37#include "p2p_supplicant.h"
60b94c98 38#include "bgscan.h"
7c865c68 39#include "autoscan.h"
f8b1f695 40#include "ap.h"
6fa81a3b 41#include "bss.h"
9ba9fa07 42#include "scan.h"
24f6497c 43#include "offchannel.h"
4d5bda5f 44#include "interworking.h"
6fc6879b
JM		 45
46
5d5c4ee5 47#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d 48static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 49 int new_scan, int own_request);
5d5c4ee5 50#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 51
52
00e5e3d5
JM		 53static int wpas_temp_disabled(struct wpa_supplicant *wpa_s,
54 struct wpa_ssid *ssid)
55{
4e1eae1d 56 struct os_reltime now;
00e5e3d5
JM		 57
58 if (ssid == NULL || ssid->disabled_until.sec == 0)
59 return 0;
60
4e1eae1d 61 os_get_reltime(&now);
00e5e3d5
JM		 62 if (ssid->disabled_until.sec > now.sec)
63 return ssid->disabled_until.sec - now.sec;
64
65 wpas_clear_temp_disabled(wpa_s, ssid, 0);
66
67 return 0;
68}
69
70
6fc6879b
JM		 71static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
72{
8bac466b 73 struct wpa_ssid *ssid, *old_ssid;
00e5e3d5 74 int res;
6fc6879b
JM		 75
76 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
77 return 0;
78
f049052b
BG		 79 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
80 "information");
6fc6879b
JM		 81 ssid = wpa_supplicant_get_ssid(wpa_s);
82 if (ssid == NULL) {
f049052b
BG		 83 wpa_msg(wpa_s, MSG_INFO,
84 "No network configuration found for the current AP");
6fc6879b
JM		 85 return -1;
86 }
87
349493bd 88 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 89 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 90 return -1;
91 }
92
6407f413
JM		 93 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
94 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
95 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
96 return -1;
97 }
98
00e5e3d5
JM		 99 res = wpas_temp_disabled(wpa_s, ssid);
100 if (res > 0) {
101 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
102 "disabled for %d second(s)", res);
103 return -1;
104 }
105
f049052b
BG		 106 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
107 "current AP");
0bf927a0 108 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 109 u8 wpa_ie[80];
110 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 111 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
112 wpa_ie, &wpa_ie_len) < 0)
113 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 114 } else {
115 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
116 }
117
118 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
119 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 120 old_ssid = wpa_s->current_ssid;
6fc6879b
JM		 121 wpa_s->current_ssid = ssid;
122 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
123 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 124 if (old_ssid != wpa_s->current_ssid)
125 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 126
127 return 0;
128}
129
130
01a17491 131void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 132{
133 struct wpa_supplicant *wpa_s = eloop_ctx;
134
135 if (wpa_s->countermeasures) {
136 wpa_s->countermeasures = 0;
137 wpa_drv_set_countermeasures(wpa_s, 0);
138 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
139 wpa_supplicant_req_scan(wpa_s, 0, 0);
140 }
141}
142
143
144void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
145{
8bac466b
JM		 146 int bssid_changed;
147
b6668734
JM		 148 wnm_bss_keep_alive_deinit(wpa_s);
149
78177a00
JM		 150#ifdef CONFIG_IBSS_RSN
151 ibss_rsn_deinit(wpa_s->ibss_rsn);
152 wpa_s->ibss_rsn = NULL;
153#endif /* CONFIG_IBSS_RSN */
154
ca62e114
JM		 155#ifdef CONFIG_AP
156 wpa_supplicant_ap_deinit(wpa_s);
157#endif /* CONFIG_AP */
158
8401a6b0
JM		 159 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
160 return;
161
6fc6879b 162 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 163 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 164 os_memset(wpa_s->bssid, 0, ETH_ALEN);
165 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
a0227929
JM		 166#ifdef CONFIG_SME
167 wpa_s->sme.prev_bssid_set = 0;
168#endif /* CONFIG_SME */
b1aebbc4
JM		 169#ifdef CONFIG_P2P
170 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
171#endif /* CONFIG_P2P */
be8be671 172 wpa_s->current_bss = NULL;
3c85f144 173 wpa_s->assoc_freq = 0;
8fd0f0f3
HW		 174#ifdef CONFIG_IEEE80211R
175#ifdef CONFIG_SME
176 if (wpa_s->sme.ft_ies)
177 sme_update_ft_ies(wpa_s, NULL, NULL, 0);
178#endif /* CONFIG_SME */
179#endif /* CONFIG_IEEE80211R */
180
8bac466b
JM		 181 if (bssid_changed)
182 wpas_notify_bssid_changed(wpa_s);
183
6fc6879b
JM		 184 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
185 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
56586197 186 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
6fc6879b
JM		 187 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
188 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24 189 wpa_s->current_ssid = NULL;
25a8f9e3 190 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
0d30cc24 191 wpa_s->key_mgmt = 0;
6fc6879b
JM		 192}
193
194
195static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
196{
197 struct wpa_ie_data ie;
198 int pmksa_set = -1;
199 size_t i;
200
201 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
202 ie.pmkid == NULL)
203 return;
204
205 for (i = 0; i < ie.num_pmkid; i++) {
206 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
207 ie.pmkid + i * PMKID_LEN,
208 NULL, NULL, 0);
209 if (pmksa_set == 0) {
210 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
211 break;
212 }
213 }
214
f049052b
BG		 215 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
216 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 217}
218
219
220static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
221 union wpa_event_data *data)
222{
223 if (data == NULL) {
f049052b
BG		 224 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
225 "event");
6fc6879b
JM		 226 return;
227 }
f049052b
BG		 228 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
229 " index=%d preauth=%d",
230 MAC2STR(data->pmkid_candidate.bssid),
231 data->pmkid_candidate.index,
232 data->pmkid_candidate.preauth);
6fc6879b
JM		 233
234 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
235 data->pmkid_candidate.index,
236 data->pmkid_candidate.preauth);
237}
238
239
240static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
241{
242 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
243 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
244 return 0;
245
246#ifdef IEEE8021X_EAPOL
247 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
248 wpa_s->current_ssid &&
249 !(wpa_s->current_ssid->eapol_flags &
250 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
251 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
252 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
253 * plaintext or static WEP keys). */
254 return 0;
255 }
256#endif /* IEEE8021X_EAPOL */
257
258 return 1;
259}
260
261
262/**
263 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
264 * @wpa_s: pointer to wpa_supplicant data
265 * @ssid: Configuration data for the network
266 * Returns: 0 on success, -1 on failure
267 *
268 * This function is called when starting authentication with a network that is
269 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
270 */
271int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
272 struct wpa_ssid *ssid)
273{
274#ifdef IEEE8021X_EAPOL
b832d34c 275#ifdef PCSC_FUNCS
eb324600 276 int aka = 0, sim = 0;
6fc6879b 277
a5d44ac0
JM		 278 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL ||
279 wpa_s->conf->external_sim)
6fc6879b
JM		 280 return 0;
281
282 if (ssid->eap.eap_methods == NULL) {
283 sim = 1;
284 aka = 1;
285 } else {
286 struct eap_method_type *eap = ssid->eap.eap_methods;
287 while (eap->vendor != EAP_VENDOR_IETF ||
288 eap->method != EAP_TYPE_NONE) {
289 if (eap->vendor == EAP_VENDOR_IETF) {
290 if (eap->method == EAP_TYPE_SIM)
291 sim = 1;
3d332fe7
JM		 292 else if (eap->method == EAP_TYPE_AKA ||
293 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 294 aka = 1;
295 }
296 eap++;
297 }
298 }
299
300 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
301 sim = 0;
3d332fe7
JM		 302 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
303 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
304 NULL)
6fc6879b
JM		 305 aka = 0;
306
307 if (!sim && !aka) {
f049052b
BG		 308 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
309 "use SIM, but neither EAP-SIM nor EAP-AKA are "
310 "enabled");
6fc6879b
JM		 311 return 0;
312 }
313
f049052b
BG		 314 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
315 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
eb324600 316
22cf7d73 317 wpa_s->scard = scard_init(NULL);
6fc6879b 318 if (wpa_s->scard == NULL) {
f049052b
BG		 319 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
320 "(pcsc-lite)");
6fc6879b
JM		 321 return -1;
322 }
323 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
324 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 325#endif /* PCSC_FUNCS */
6fc6879b
JM		 326#endif /* IEEE8021X_EAPOL */
327
328 return 0;
329}
330
331
332#ifndef CONFIG_NO_SCAN_PROCESSING
86bd1410
JM		 333
334static int has_wep_key(struct wpa_ssid *ssid)
335{
336 int i;
337
338 for (i = 0; i < NUM_WEP_KEYS; i++) {
339 if (ssid->wep_key_len[i])
340 return 1;
341 }
342
343 return 0;
344}
345
346
620c7837 347static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 348 struct wpa_ssid *ssid)
349{
86bd1410 350 int privacy = 0;
6fc6879b
JM		 351
352 if (ssid->mixed_cell)
353 return 1;
354
0632542b
AT		 355#ifdef CONFIG_WPS
356 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
357 return 1;
358#endif /* CONFIG_WPS */
359
86bd1410
JM		 360 if (has_wep_key(ssid))
361 privacy = 1;
362
6fc6879b
JM		 363#ifdef IEEE8021X_EAPOL
364 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
365 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
366 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
367 privacy = 1;
368#endif /* IEEE8021X_EAPOL */
369
29fbc522
JM		 370 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
371 privacy = 1;
372
6fc6879b
JM		 373 if (bss->caps & IEEE80211_CAP_PRIVACY)
374 return privacy;
375 return !privacy;
376}
377
378
a6099152
JM		 379static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
380 struct wpa_ssid *ssid,
620c7837 381 struct wpa_bss *bss)
6fc6879b
JM		 382{
383 struct wpa_ie_data ie;
384 int proto_match = 0;
385 const u8 *rsn_ie, *wpa_ie;
351f09a2 386 int ret;
43882f1e 387 int wep_ok;
6fc6879b 388
a6099152 389 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 390 if (ret >= 0)
391 return ret;
ad08c363 392
43882f1e
JM		 393 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
394 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
395 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
396 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
397 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
398
620c7837 399 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6fc6879b
JM		 400 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
401 proto_match++;
402
403 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
f049052b
BG		 404 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
405 "failed");
6fc6879b
JM		 406 break;
407 }
43882f1e
JM		 408
409 if (wep_ok &&
410 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
411 {
f049052b
BG		 412 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
413 "in RSN IE");
43882f1e
JM		 414 return 1;
415 }
416
6fc6879b 417 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 418 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
419 "mismatch");
6fc6879b
JM		 420 break;
421 }
422
423 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 424 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
425 "cipher mismatch");
6fc6879b
JM		 426 break;
427 }
428
429 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 430 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
431 "cipher mismatch");
6fc6879b
JM		 432 break;
433 }
434
435 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 436 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
437 "mismatch");
6fc6879b
JM		 438 break;
439 }
440
441#ifdef CONFIG_IEEE80211W
0b60b0aa 442 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
62d49803
JM		 443 (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
444 wpa_s->conf->pmf : ssid->ieee80211w) ==
445 MGMT_FRAME_PROTECTION_REQUIRED) {
f049052b
BG		 446 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
447 "frame protection");
6fc6879b
JM		 448 break;
449 }
450#endif /* CONFIG_IEEE80211W */
451
f049052b 452 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
6fc6879b
JM		 453 return 1;
454 }
455
620c7837 456 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 457 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
458 proto_match++;
459
460 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
f049052b
BG		 461 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
462 "failed");
6fc6879b
JM		 463 break;
464 }
43882f1e
JM		 465
466 if (wep_ok &&
467 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
468 {
f049052b
BG		 469 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
470 "in WPA IE");
43882f1e
JM		 471 return 1;
472 }
473
6fc6879b 474 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 475 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
476 "mismatch");
6fc6879b
JM		 477 break;
478 }
479
480 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 481 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
482 "cipher mismatch");
6fc6879b
JM		 483 break;
484 }
485
486 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 487 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
488 "cipher mismatch");
6fc6879b
JM		 489 break;
490 }
491
492 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 493 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
494 "mismatch");
6fc6879b
JM		 495 break;
496 }
497
f049052b 498 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
6fc6879b
JM		 499 return 1;
500 }
501
a3f7e518
JM		 502 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
503 !rsn_ie) {
504 wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
505 return 1;
506 }
507
cc5e390d 508 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 509 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
f049052b 510 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
cc5e390d
JM		 511 return 0;
512 }
6fc6879b 513
c2f1fe41
JM		 514 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
515 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
516 return 1;
517 }
518
519 wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
520 "WPA/WPA2");
521
522 return 0;
6fc6879b
JM		 523}
524
525
b766a9a2
JM		 526static int freq_allowed(int *freqs, int freq)
527{
528 int i;
529
530 if (freqs == NULL)
531 return 1;
532
533 for (i = 0; freqs[i]; i++)
534 if (freqs[i] == freq)
535 return 1;
536 return 0;
537}
538
539
e1e8cae3
CL		 540static int ht_supported(const struct hostapd_hw_modes *mode)
541{
542 if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
543 /*
544 * The driver did not indicate whether it supports HT. Assume
545 * it does to avoid connection issues.
546 */
547 return 1;
548 }
549
550 /*
551 * IEEE Std 802.11n-2009 20.1.1:
552 * An HT non-AP STA shall support all EQM rates for one spatial stream.
553 */
554 return mode->mcs_set[0] == 0xff;
555}
556
557
c8ebeda4
MK		 558static int vht_supported(const struct hostapd_hw_modes *mode)
559{
560 if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
561 /*
562 * The driver did not indicate whether it supports VHT. Assume
563 * it does to avoid connection issues.
564 */
565 return 1;
566 }
567
568 /*
569 * A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
570 * TODO: Verify if this complies with the standard
571 */
572 return (mode->vht_mcs_set[0] & 0x3) != 3;
573}
574
575
620c7837 576static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
e1e8cae3
CL		 577{
578 const struct hostapd_hw_modes *mode = NULL, *modes;
579 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
580 const u8 *rate_ie;
581 int i, j, k;
582
a6d94e1b
JM		 583 if (bss->freq == 0)
584 return 1; /* Cannot do matching without knowing band */
585
e1e8cae3
CL		 586 modes = wpa_s->hw.modes;
587 if (modes == NULL) {
588 /*
589 * The driver does not provide any additional information
590 * about the utilized hardware, so allow the connection attempt
591 * to continue.
592 */
593 return 1;
594 }
595
596 for (i = 0; i < wpa_s->hw.num_modes; i++) {
597 for (j = 0; j < modes[i].num_channels; j++) {
598 int freq = modes[i].channels[j].freq;
599 if (freq == bss->freq) {
600 if (mode &&
601 mode->mode == HOSTAPD_MODE_IEEE80211G)
602 break; /* do not allow 802.11b replace
603 * 802.11g */
604 mode = &modes[i];
605 break;
606 }
607 }
608 }
609
610 if (mode == NULL)
611 return 0;
612
613 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 614 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 615 if (rate_ie == NULL)
616 continue;
617
618 for (j = 2; j < rate_ie[1] + 2; j++) {
619 int flagged = !!(rate_ie[j] & 0x80);
620 int r = (rate_ie[j] & 0x7f) * 5;
621
622 /*
623 * IEEE Std 802.11n-2009 7.3.2.2:
624 * The new BSS Membership selector value is encoded
625 * like a legacy basic rate, but it is not a rate and
626 * only indicates if the BSS members are required to
627 * support the mandatory features of Clause 20 [HT PHY]
628 * in order to join the BSS.
629 */
630 if (flagged && ((rate_ie[j] & 0x7f) ==
631 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
632 if (!ht_supported(mode)) {
633 wpa_dbg(wpa_s, MSG_DEBUG,
634 " hardware does not support "
635 "HT PHY");
636 return 0;
637 }
638 continue;
639 }
640
c8ebeda4
MK		 641 /* There's also a VHT selector for 802.11ac */
642 if (flagged && ((rate_ie[j] & 0x7f) ==
643 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
644 if (!vht_supported(mode)) {
645 wpa_dbg(wpa_s, MSG_DEBUG,
646 " hardware does not support "
647 "VHT PHY");
648 return 0;
649 }
650 continue;
651 }
652
e1e8cae3
CL		 653 if (!flagged)
654 continue;
655
656 /* check for legacy basic rates */
657 for (k = 0; k < mode->num_rates; k++) {
658 if (mode->rates[k] == r)
659 break;
660 }
661 if (k == mode->num_rates) {
662 /*
663 * IEEE Std 802.11-2007 7.3.2.2 demands that in
664 * order to join a BSS all required rates
665 * have to be supported by the hardware.
666 */
667 wpa_dbg(wpa_s, MSG_DEBUG, " hardware does "
668 "not support required rate %d.%d Mbps",
669 r / 10, r % 10);
670 return 0;
671 }
672 }
673 }
674
675 return 1;
676}
677
678
ff3ad3c5
VK		 679static int bss_is_dmg(struct wpa_bss *bss)
680{
681 return bss->freq > 45000;
682}
683
684
685/*
686 * Test whether BSS is in an ESS.
687 * This is done differently in DMG (60 GHz) and non-DMG bands
688 */
689static int bss_is_ess(struct wpa_bss *bss)
690{
691 if (bss_is_dmg(bss)) {
692 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
693 IEEE80211_CAP_DMG_AP;
694 }
695
696 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
697 IEEE80211_CAP_ESS);
698}
699
700
d8d940b7 701static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
620c7837 702 int i, struct wpa_bss *bss,
d8d940b7 703 struct wpa_ssid *group)
6fc6879b 704{
620c7837 705 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 706 int wpa;
6fc6879b
JM		 707 struct wpa_blacklist *e;
708 const u8 *ie;
d8d940b7 709 struct wpa_ssid *ssid;
6fc6879b 710
620c7837 711 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 712 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 713
620c7837 714 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 715 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 716
f049052b 717 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
b16696ff 718 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s%s",
620c7837 719 i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
f049052b 720 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
b16696ff
JM		 721 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "",
722 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
723 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) ?
724 " p2p" : "");
9cf32261 725
d8d940b7 726 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 727 if (e) {
728 int limit = 1;
349493bd 729 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 730 /*
731 * When only a single network is enabled, we can
732 * trigger blacklisting on the first failure. This
733 * should not be done with multiple enabled networks to
734 * avoid getting forced to move into a worse ESS on
735 * single error if there are no other BSSes of the
736 * current ESS.
737 */
738 limit = 0;
739 }
740 if (e->count > limit) {
f049052b
BG		 741 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
742 "(count=%d limit=%d)", e->count, limit);
c2197bc9 743 return NULL;
5471c343 744 }
d8d940b7 745 }
6fc6879b 746
620c7837 747 if (bss->ssid_len == 0) {
f049052b 748 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 749 return NULL;
d8d940b7 750 }
e81634cd 751
6407f413
JM		 752 if (disallowed_bssid(wpa_s, bss->bssid)) {
753 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
754 return NULL;
755 }
756
757 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
758 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
759 return NULL;
760 }
761
d8d940b7 762 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 763
d8d940b7
JM		 764 for (ssid = group; ssid; ssid = ssid->pnext) {
765 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 766 int res;
ad08c363 767
349493bd 768 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 769 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 770 continue;
d8d940b7 771 }
9cf32261 772
00e5e3d5
JM		 773 res = wpas_temp_disabled(wpa_s, ssid);
774 if (res > 0) {
775 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
776 "temporarily for %d second(s)", res);
777 continue;
778 }
779
ad08c363 780#ifdef CONFIG_WPS
f648bc7d 781 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
f049052b
BG		 782 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
783 "(WPS)");
f648bc7d
JM		 784 continue;
785 }
786
d8d940b7
JM		 787 if (wpa && ssid->ssid_len == 0 &&
788 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
789 check_ssid = 0;
790
791 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
792 /* Only allow wildcard SSID match if an AP
793 * advertises active WPS operation that matches
794 * with our mode. */
795 check_ssid = 1;
ad08c363 796 if (ssid->ssid_len == 0 &&
a6099152 797 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 798 check_ssid = 0;
d8d940b7 799 }
ad08c363
JM		 800#endif /* CONFIG_WPS */
801
7d232e23
ZC		 802 if (ssid->bssid_set && ssid->ssid_len == 0 &&
803 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
804 check_ssid = 0;
805
d8d940b7 806 if (check_ssid &&
620c7837
JM		 807 (bss->ssid_len != ssid->ssid_len ||
808 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
f049052b 809 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
0c703df3 810 continue;
6fc6879b 811 }
6fc6879b 812
d8d940b7
JM		 813 if (ssid->bssid_set &&
814 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
f049052b 815 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
0c703df3 816 continue;
d8d940b7 817 }
6fc6879b 818
cc5e390d 819 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
0c703df3 820 continue;
9cf32261 821
d8d940b7
JM		 822 if (!wpa &&
823 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
824 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
825 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
f049052b
BG		 826 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
827 "not allowed");
0c703df3 828 continue;
6fc6879b 829 }
9cf32261 830
86bd1410
JM		 831 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
832 has_wep_key(ssid)) {
833 wpa_dbg(wpa_s, MSG_DEBUG, " skip - ignore WPA/WPA2 AP for WEP network block");
834 continue;
835 }
836
29fbc522 837 if (!wpa_supplicant_match_privacy(bss, ssid)) {
f049052b
BG		 838 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
839 "mismatch");
0c703df3 840 continue;
e81634cd
JM		 841 }
842
ff3ad3c5
VK		 843 if (!bss_is_ess(bss)) {
844 wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
0c703df3 845 continue;
d8d940b7 846 }
b766a9a2 847
d8d940b7 848 if (!freq_allowed(ssid->freq_list, bss->freq)) {
f049052b
BG		 849 wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
850 "allowed");
0c703df3 851 continue;
6fc6879b 852 }
d8d940b7 853
e1e8cae3
CL		 854 if (!rate_match(wpa_s, bss)) {
855 wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
856 "not match");
857 continue;
858 }
859
73e49269 860#ifdef CONFIG_P2P
b72e14e5
JM		 861 if (ssid->p2p_group &&
862 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
863 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
864 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen");
865 continue;
866 }
867
9ec87666
JM		 868 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
869 struct wpabuf *p2p_ie;
870 u8 dev_addr[ETH_ALEN];
871
872 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
873 if (ie == NULL) {
874 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P element");
875 continue;
876 }
877 p2p_ie = wpa_bss_get_vendor_ie_multi(
878 bss, P2P_IE_VENDOR_TYPE);
879 if (p2p_ie == NULL) {
880 wpa_dbg(wpa_s, MSG_DEBUG, " skip - could not fetch P2P element");
881 continue;
882 }
883
884 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
885 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
886 ETH_ALEN) != 0) {
887 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no matching GO P2P Device Address in P2P element");
888 wpabuf_free(p2p_ie);
889 continue;
890 }
891 wpabuf_free(p2p_ie);
892 }
893
73e49269
JM		 894 /*
895 * TODO: skip the AP if its P2P IE has Group Formation
896 * bit set in the P2P Group Capability Bitmap and we
897 * are not in Group Formation with that device.
898 */
899#endif /* CONFIG_P2P */
900
d8d940b7
JM		 901 /* Matching configuration found */
902 return ssid;
6fc6879b
JM		 903 }
904
d8d940b7 905 /* No matching configuration found */
c2197bc9 906 return NULL;
9cf32261
JM		 907}
908
909
6fa81a3b 910static struct wpa_bss *
a1fd2ce5 911wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 912 struct wpa_ssid *group,
9cf32261
JM		 913 struct wpa_ssid **selected_ssid)
914{
620c7837 915 unsigned int i;
9cf32261 916
f049052b
BG		 917 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
918 group->priority);
9cf32261 919
620c7837
JM		 920 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
921 struct wpa_bss *bss = wpa_s->last_scan_res[i];
d8d940b7
JM		 922 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group);
923 if (!*selected_ssid)
924 continue;
f049052b
BG		 925 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
926 " ssid='%s'",
620c7837
JM		 927 MAC2STR(bss->bssid),
928 wpa_ssid_txt(bss->ssid, bss->ssid_len));
929 return bss;
d8d940b7
JM		 930 }
931
932 return NULL;
6fc6879b
JM		 933}
934
935
97236cee
MH		 936struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
937 struct wpa_ssid **selected_ssid)
6fc6879b 938{
6fa81a3b 939 struct wpa_bss *selected = NULL;
09b9df4e
JM		 940 int prio;
941
620c7837
JM		 942 if (wpa_s->last_scan_res == NULL ||
943 wpa_s->last_scan_res_used == 0)
944 return NULL; /* no scan results from last update */
945
09b9df4e
JM		 946 while (selected == NULL) {
947 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
948 selected = wpa_supplicant_select_bss(
620c7837 949 wpa_s, wpa_s->conf->pssid[prio],
09b9df4e
JM		 950 selected_ssid);
951 if (selected)
952 break;
953 }
954
8945cc45
BM		 955 if (selected == NULL && wpa_s->blacklist &&
956 !wpa_s->countermeasures) {
f049052b
BG		 957 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
958 "blacklist and try again");
09b9df4e
JM		 959 wpa_blacklist_clear(wpa_s);
960 wpa_s->blacklist_cleared++;
961 } else if (selected == NULL)
962 break;
963 }
964
965 return selected;
966}
967
968
969static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 970 int timeout_sec, int timeout_usec)
09b9df4e 971{
349493bd 972 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 973 /*
974 * No networks are enabled; short-circuit request so
975 * we don't wait timeout seconds before transitioning
976 * to INACTIVE state.
977 */
ac06fb12
JM		 978 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
979 "since there are no enabled networks");
4f34d51a
SL		 980 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
981 return;
09b9df4e 982 }
5cc70322
JM		 983
984 wpa_s->scan_for_connection = 1;
977b1174 985 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 986}
987
988
5cbd88d9
JJ		 989int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
990 struct wpa_bss *selected,
991 struct wpa_ssid *ssid)
09b9df4e
JM		 992{
993 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
994 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
995 "PBC session overlap");
b73bf0a7
JM		 996#ifdef CONFIG_P2P
997 if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
5cbd88d9 998 return -1;
b73bf0a7 999#endif /* CONFIG_P2P */
199716ad
BG		 1000
1001#ifdef CONFIG_WPS
7736f18b 1002 wpas_wps_cancel(wpa_s);
199716ad 1003#endif /* CONFIG_WPS */
5cbd88d9 1004 return -1;
09b9df4e
JM		 1005 }
1006
b0680017
JM		 1007 wpa_msg(wpa_s, MSG_DEBUG,
1008 "Considering connect request: reassociate: %d selected: "
1009 MACSTR " bssid: " MACSTR " pending: " MACSTR
1010 " wpa_state: %s ssid=%p current_ssid=%p",
1011 wpa_s->reassociate, MAC2STR(selected->bssid),
1012 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1013 wpa_supplicant_state_txt(wpa_s->wpa_state),
1014 ssid, wpa_s->current_ssid);
1015
09b9df4e
JM		 1016 /*
1017 * Do not trigger new association unless the BSSID has changed or if
1018 * reassociation is requested. If we are in process of associating with
1019 * the selected BSSID, do not trigger new attempt.
1020 */
1021 if (wpa_s->reassociate ||
1022 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 1023 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1024 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 1025 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1026 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1027 0) ||
1028 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1029 ssid != wpa_s->current_ssid)))) {
09b9df4e 1030 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 1031 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 1032 return 0;
09b9df4e 1033 }
b0680017
JM		 1034 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1035 MAC2STR(selected->bssid));
09b9df4e
JM		 1036 wpa_supplicant_associate(wpa_s, selected, ssid);
1037 } else {
b0680017
JM		 1038 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1039 "connect with the selected AP");
09b9df4e 1040 }
5cbd88d9
JJ		 1041
1042 return 0;
09b9df4e
JM		 1043}
1044
1045
b55aaa5f
JM		 1046static struct wpa_ssid *
1047wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1048{
1049 int prio;
1050 struct wpa_ssid *ssid;
1051
1052 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1053 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1054 {
349493bd 1055 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f
JM		 1056 continue;
1057 if (ssid->mode == IEEE80211_MODE_IBSS ||
1058 ssid->mode == IEEE80211_MODE_AP)
1059 return ssid;
1060 }
1061 }
1062 return NULL;
1063}
1064
1065
a1fd2ce5
JM		 1066/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1067 * on BSS added and BSS changed events */
6ae93185 1068static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 1069 struct wpa_supplicant *wpa_s)
6ae93185 1070{
6d28fb96 1071 struct wpa_bss *bss;
6ae93185
JM		 1072
1073 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1074 return;
1075
6d28fb96 1076 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1077 const u8 *ssid, *rsn;
6ae93185 1078
6d28fb96 1079 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1080 if (ssid == NULL)
1081 continue;
1082
6d28fb96 1083 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1084 if (rsn == NULL)
1085 continue;
1086
6d28fb96 1087 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1088 }
1089
1090}
1091
1092
48563d86
JM		 1093static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1094 struct wpa_bss *selected,
20ed5e40 1095 struct wpa_ssid *ssid)
48563d86 1096{
20ed5e40 1097 struct wpa_bss *current_bss = NULL;
48563d86
JM		 1098 int min_diff;
1099
1100 if (wpa_s->reassociate)
1101 return 1; /* explicit request to reassociate */
1102 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1103 return 1; /* we are not associated; continue */
1104 if (wpa_s->current_ssid == NULL)
1105 return 1; /* unknown current SSID */
1106 if (wpa_s->current_ssid != ssid)
1107 return 1; /* different network block */
1108
22628eca
JM		 1109 if (wpas_driver_bss_selection(wpa_s))
1110 return 0; /* Driver-based roaming */
1111
20ed5e40
JM		 1112 if (wpa_s->current_ssid->ssid)
1113 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1114 wpa_s->current_ssid->ssid,
1115 wpa_s->current_ssid->ssid_len);
1116 if (!current_bss)
1117 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1118
1119 if (!current_bss)
1120 return 1; /* current BSS not seen in scan results */
1121
20ed5e40
JM		 1122 if (current_bss == selected)
1123 return 0;
1124
1125 if (selected->last_update_idx > current_bss->last_update_idx)
1126 return 1; /* current BSS not seen in the last scan */
1127
e9af53ad 1128#ifndef CONFIG_NO_ROAMING
f049052b
BG		 1129 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1130 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
1131 MAC2STR(current_bss->bssid), current_bss->level);
1132 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
1133 MAC2STR(selected->bssid), selected->level);
48563d86 1134
ac26ebd8
JM		 1135 if (wpa_s->current_ssid->bssid_set &&
1136 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1137 0) {
f049052b
BG		 1138 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1139 "has preferred BSSID");
ac26ebd8
JM		 1140 return 1;
1141 }
1142
bff954e9
RS		 1143 if (current_bss->level < 0 && current_bss->level > selected->level) {
1144 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1145 "signal level");
1146 return 0;
1147 }
1148
48563d86
JM		 1149 min_diff = 2;
1150 if (current_bss->level < 0) {
1151 if (current_bss->level < -85)
1152 min_diff = 1;
1153 else if (current_bss->level < -80)
1154 min_diff = 2;
1155 else if (current_bss->level < -75)
1156 min_diff = 3;
1157 else if (current_bss->level < -70)
1158 min_diff = 4;
1159 else
1160 min_diff = 5;
1161 }
1162 if (abs(current_bss->level - selected->level) < min_diff) {
f049052b
BG		 1163 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1164 "in signal level");
48563d86
JM		 1165 return 0;
1166 }
1167
1168 return 1;
e9af53ad
DS		 1169#else /* CONFIG_NO_ROAMING */
1170 return 0;
1171#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1172}
1173
cd2f4ddf 1174
0dd54313 1175/* Return != 0 if no scan results could be fetched or if scan results should not
10ac7ddf 1176 * be shared with other virtual interfaces. */
e1504976 1177static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50
JM		 1178 union wpa_event_data *data,
1179 int own_request)
09b9df4e 1180{
d12a51b5
JM		 1181 struct wpa_scan_results *scan_res = NULL;
1182 int ret = 0;
5bc0cdb7 1183 int ap = 0;
7b1aa4fe
JM		 1184#ifndef CONFIG_NO_RANDOM_POOL
1185 size_t i, num;
1186#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1187
1188#ifdef CONFIG_AP
1189 if (wpa_s->ap_iface)
1190 ap = 1;
1191#endif /* CONFIG_AP */
6fc6879b 1192
cb8564b1
DW		 1193 wpa_supplicant_notify_scanning(wpa_s, 0);
1194
a1fd2ce5
JM		 1195 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1196 data ? &data->scan_info :
1197 NULL, 1);
1198 if (scan_res == NULL) {
66fe0f70
DS		 1199 if (wpa_s->conf->ap_scan == 2 || ap ||
1200 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1201 return -1;
cfd31b50
JM		 1202 if (!own_request)
1203 return -1;
f049052b
BG		 1204 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1205 "scanning again");
977b1174 1206 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
d12a51b5
JM		 1207 ret = -1;
1208 goto scan_work_done;
6fc6879b
JM		 1209 }
1210
bbb921da 1211#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1212 num = scan_res->num;
1213 if (num > 10)
1214 num = 10;
1215 for (i = 0; i < num; i++) {
1216 u8 buf[5];
1217 struct wpa_scan_res *res = scan_res->res[i];
1218 buf[0] = res->bssid[5];
1219 buf[1] = res->qual & 0xff;
1220 buf[2] = res->noise & 0xff;
1221 buf[3] = res->level & 0xff;
1222 buf[4] = res->tsf & 0xff;
1223 random_add_randomness(buf, sizeof(buf));
1224 }
1225#endif /* CONFIG_NO_RANDOM_POOL */
1226
06f9acce
JM		 1227 if (own_request && wpa_s->scan_res_handler &&
1228 (wpa_s->own_scan_running || !wpa_s->external_scan_running)) {
860fddbb
JB		 1229 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1230 struct wpa_scan_results *scan_res);
1231
1232 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1233 wpa_s->scan_res_handler = NULL;
860fddbb 1234 scan_res_handler(wpa_s, scan_res);
d12a51b5
JM		 1235 ret = -2;
1236 goto scan_work_done;
64e58f51
JM		 1237 }
1238
5bc0cdb7 1239 if (ap) {
f049052b 1240 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1241#ifdef CONFIG_AP
1242 if (wpa_s->ap_iface->scan_cb)
1243 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1244#endif /* CONFIG_AP */
d12a51b5 1245 goto scan_work_done;
5bc0cdb7
JM		 1246 }
1247
a5f40eff
JM		 1248 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
1249 wpa_s->own_scan_running, wpa_s->external_scan_running);
d81c73be
JM		 1250 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1251 wpa_s->manual_scan_use_id && wpa_s->own_scan_running) {
1252 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1253 wpa_s->manual_scan_id);
1254 wpa_s->manual_scan_use_id = 0;
1255 } else {
1256 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1257 }
24f76940 1258 wpas_notify_scan_results(wpa_s);
6fc6879b 1259
8bac466b
JM		 1260 wpas_notify_scan_done(wpa_s, 1);
1261
015af91f
JM		 1262 if (!wpa_s->own_scan_running && wpa_s->external_scan_running) {
1263 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1264 wpa_scan_results_free(scan_res);
1265 return 0;
1266 }
1267
d12a51b5
JM		 1268 if (sme_proc_obss_scan(wpa_s) > 0)
1269 goto scan_work_done;
c3701c66 1270
d12a51b5
JM		 1271 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1272 goto scan_work_done;
6fc6879b 1273
d12a51b5
JM		 1274 if (autoscan_notify_scan(wpa_s, scan_res))
1275 goto scan_work_done;
7c865c68 1276
3180d7a2
SO		 1277 if (wpa_s->disconnected) {
1278 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
d12a51b5 1279 goto scan_work_done;
3180d7a2
SO		 1280 }
1281
22628eca 1282 if (!wpas_driver_bss_selection(wpa_s) &&
d12a51b5
JM		 1283 bgscan_notify_scan(wpa_s, scan_res) == 1)
1284 goto scan_work_done;
a1fd2ce5 1285
f9f0526b
JM		 1286 wpas_wps_update_ap_info(wpa_s, scan_res);
1287
20ed5e40
JM		 1288 wpa_scan_results_free(scan_res);
1289
d12a51b5
JM		 1290 if (wpa_s->scan_work) {
1291 struct wpa_radio_work *work = wpa_s->scan_work;
1292 wpa_s->scan_work = NULL;
1293 radio_work_done(work);
1294 }
1295
cc4952ad 1296 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
d12a51b5
JM		 1297
1298scan_work_done:
1299 wpa_scan_results_free(scan_res);
1300 if (wpa_s->scan_work) {
1301 struct wpa_radio_work *work = wpa_s->scan_work;
1302 wpa_s->scan_work = NULL;
1303 radio_work_done(work);
1304 }
1305 return ret;
a594e2a9
JM		 1306}
1307
1308
06b7f58d 1309static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 1310 int new_scan, int own_request)
a594e2a9
JM		 1311{
1312 struct wpa_bss *selected;
1313 struct wpa_ssid *ssid = NULL;
1314
620c7837
JM		 1315 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1316
6fc6879b 1317 if (selected) {
48563d86 1318 int skip;
20ed5e40 1319 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1320 if (skip) {
06b7f58d
JM		 1321 if (new_scan)
1322 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1323 return 0;
1bbff09e 1324 }
5cbd88d9
JJ		 1325
1326 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1327 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1328 return -1;
1329 }
06b7f58d
JM		 1330 if (new_scan)
1331 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313
JM		 1332 /*
1333 * Do not notify other virtual radios of scan results since we do not
1334 * want them to start other associations at the same time.
1335 */
1336 return 1;
6fc6879b 1337 } else {
f049052b 1338 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 1339 ssid = wpa_supplicant_pick_new_network(wpa_s);
1340 if (ssid) {
f049052b 1341 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 1342 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 1343 if (new_scan)
1344 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
cc4952ad
JJ		 1345 } else if (own_request) {
1346 /*
1347 * No SSID found. If SCAN results are as a result of
1348 * own scan request and not due to a scan request on
1349 * another shared interface, try another scan.
1350 */
67b9bd08 1351 int timeout_sec = wpa_s->scan_interval;
977b1174 1352 int timeout_usec = 0;
0817de90 1353#ifdef CONFIG_P2P
aa9bb764
JM		 1354 if (wpas_p2p_scan_no_go_seen(wpa_s) == 1)
1355 return 0;
1356
6fc48481
RR		 1357 if (wpa_s->p2p_in_provisioning ||
1358 wpa_s->show_group_started) {
0817de90
JM		 1359 /*
1360 * Use shorter wait during P2P Provisioning
6fc48481
RR		 1361 * state and during P2P join-a-group operation
1362 * to speed up group formation.
0817de90
JM		 1363 */
1364 timeout_sec = 0;
1365 timeout_usec = 250000;
a4cba8f1
LC		 1366 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1367 timeout_usec);
1368 return 0;
0817de90
JM		 1369 }
1370#endif /* CONFIG_P2P */
4d5bda5f
JM		 1371#ifdef CONFIG_INTERWORKING
1372 if (wpa_s->conf->auto_interworking &&
1373 wpa_s->conf->interworking &&
1374 wpa_s->conf->cred) {
1375 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1376 "start ANQP fetch since no matching "
1377 "networks found");
1378 wpa_s->network_select = 1;
1379 wpa_s->auto_network_select = 1;
1380 interworking_start_fetch_anqp(wpa_s);
0dd54313 1381 return 1;
4d5bda5f
JM		 1382 }
1383#endif /* CONFIG_INTERWORKING */
662b40b1 1384#ifdef CONFIG_WPS
538d6f4b 1385 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
662b40b1
JM		 1386 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1387 timeout_sec = 0;
1388 timeout_usec = 500000;
1389 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1390 timeout_usec);
1391 return 0;
1392 }
1393#endif /* CONFIG_WPS */
a4cba8f1
LC		 1394 if (wpa_supplicant_req_sched_scan(wpa_s))
1395 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1396 timeout_usec);
977b1174 1397 }
6fc6879b 1398 }
e1504976 1399 return 0;
6fc6879b 1400}
6859f1cb
BG		 1401
1402
1403static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1404 union wpa_event_data *data)
1405{
6859f1cb
BG		 1406 struct wpa_supplicant *ifs;
1407
cfd31b50 1408 if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) {
e1504976
BG		 1409 /*
1410 * If no scan results could be fetched, then no need to
1411 * notify those interfaces that did not actually request
0dd54313
JM		 1412 * this scan. Similarly, if scan results started a new operation on this
1413 * interface, do not notify other interfaces to avoid concurrent
1414 * operations during a connection attempt.
e1504976
BG		 1415 */
1416 return;
1417 }
6859f1cb
BG		 1418
1419 /*
f88f19b4 1420 * Check other interfaces to see if they share the same radio. If
6859f1cb
BG		 1421 * so, they get updated with this same scan info.
1422 */
f88f19b4
JM		 1423 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1424 radio_list) {
1425 if (ifs != wpa_s) {
6859f1cb
BG		 1426 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1427 "sibling", ifs->ifname);
cfd31b50 1428 _wpa_supplicant_event_scan_results(ifs, data, 0);
6859f1cb
BG		 1429 }
1430 }
1431}
1432
6fc6879b
JM		 1433#endif /* CONFIG_NO_SCAN_PROCESSING */
1434
1435
cecdddc1
PS		 1436int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1437{
1438#ifdef CONFIG_NO_SCAN_PROCESSING
1439 return -1;
1440#else /* CONFIG_NO_SCAN_PROCESSING */
a12d3454 1441 struct os_reltime now;
cecdddc1
PS		 1442
1443 if (wpa_s->last_scan_res_used <= 0)
1444 return -1;
1445
a12d3454
JB		 1446 os_get_reltime(&now);
1447 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
cecdddc1
PS		 1448 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1449 return -1;
1450 }
1451
cc4952ad 1452 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
cecdddc1
PS		 1453#endif /* CONFIG_NO_SCAN_PROCESSING */
1454}
1455
b6668734
JM		 1456#ifdef CONFIG_WNM
1457
1458static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1459{
1460 struct wpa_supplicant *wpa_s = eloop_ctx;
1461
1462 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1463 return;
1464
2ec535fd
JM		 1465 if (!wpa_s->no_keep_alive) {
1466 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1467 MAC2STR(wpa_s->bssid));
1468 /* TODO: could skip this if normal data traffic has been sent */
1469 /* TODO: Consider using some more appropriate data frame for
1470 * this */
1471 if (wpa_s->l2)
1472 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1473 (u8 *) "", 0);
1474 }
b6668734 1475
597c7a8d 1476#ifdef CONFIG_SME
b6668734
JM		 1477 if (wpa_s->sme.bss_max_idle_period) {
1478 unsigned int msec;
1479 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1480 if (msec > 100)
1481 msec -= 100;
1482 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1483 wnm_bss_keep_alive, wpa_s, NULL);
1484 }
597c7a8d 1485#endif /* CONFIG_SME */
b6668734
JM		 1486}
1487
1488
1489static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1490 const u8 *ies, size_t ies_len)
1491{
1492 struct ieee802_11_elems elems;
1493
1494 if (ies == NULL)
1495 return;
1496
1497 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1498 return;
1499
1500#ifdef CONFIG_SME
1501 if (elems.bss_max_idle_period) {
1502 unsigned int msec;
1503 wpa_s->sme.bss_max_idle_period =
1504 WPA_GET_LE16(elems.bss_max_idle_period);
1505 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1506 "TU)%s", wpa_s->sme.bss_max_idle_period,
1507 (elems.bss_max_idle_period[2] & 0x01) ?
1508 " (protected keep-live required)" : "");
1509 if (wpa_s->sme.bss_max_idle_period == 0)
1510 wpa_s->sme.bss_max_idle_period = 1;
1511 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1512 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1513 /* msec times 1000 */
1514 msec = wpa_s->sme.bss_max_idle_period * 1024;
1515 if (msec > 100)
1516 msec -= 100;
1517 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1518 wnm_bss_keep_alive, wpa_s,
1519 NULL);
1520 }
1521 }
1522#endif /* CONFIG_SME */
1523}
1524
1525#endif /* CONFIG_WNM */
1526
1527
1528void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1529{
1530#ifdef CONFIG_WNM
1531 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1532#endif /* CONFIG_WNM */
1533}
1534
1535
56f5af48
JM		 1536#ifdef CONFIG_INTERWORKING
1537
1538static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
1539 size_t len)
1540{
1541 int res;
1542
1543 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
1544 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
1545 if (res) {
1546 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
1547 }
1548
1549 return res;
1550}
1551
1552
1553static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
1554 const u8 *ies, size_t ies_len)
1555{
1556 struct ieee802_11_elems elems;
1557
1558 if (ies == NULL)
1559 return;
1560
1561 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1562 return;
1563
1564 if (elems.qos_map_set) {
1565 wpas_qos_map_set(wpa_s, elems.qos_map_set,
1566 elems.qos_map_set_len);
1567 }
1568}
1569
1570#endif /* CONFIG_INTERWORKING */
1571
1572
579ce771
JM		 1573static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1574 union wpa_event_data *data)
6fc6879b
JM		 1575{
1576 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 1577 const u8 *p;
b6714ca1 1578#ifdef CONFIG_IEEE80211R
6a1ce395 1579 u8 bssid[ETH_ALEN];
b6714ca1 1580#endif /* CONFIG_IEEE80211R */
6fc6879b 1581
f049052b 1582 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 1583 if (data->assoc_info.req_ies)
1584 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1585 data->assoc_info.req_ies_len);
52c9e6f3 1586 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 1587 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1588 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 1589#ifdef CONFIG_TDLS
1590 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1591 data->assoc_info.resp_ies_len);
1592#endif /* CONFIG_TDLS */
b6668734
JM		 1593#ifdef CONFIG_WNM
1594 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1595 data->assoc_info.resp_ies_len);
1596#endif /* CONFIG_WNM */
56f5af48
JM		 1597#ifdef CONFIG_INTERWORKING
1598 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1599 data->assoc_info.resp_ies_len);
1600#endif /* CONFIG_INTERWORKING */
52c9e6f3 1601 }
6fc6879b
JM		 1602 if (data->assoc_info.beacon_ies)
1603 wpa_hexdump(MSG_DEBUG, "beacon_ies",
1604 data->assoc_info.beacon_ies,
1605 data->assoc_info.beacon_ies_len);
4832ecd7 1606 if (data->assoc_info.freq)
f049052b
BG		 1607 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
1608 data->assoc_info.freq);
6fc6879b
JM		 1609
1610 p = data->assoc_info.req_ies;
1611 l = data->assoc_info.req_ies_len;
1612
1613 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1614 while (p && l >= 2) {
1615 len = p[1] + 2;
1616 if (len > l) {
1617 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1618 p, l);
1619 break;
1620 }
1621 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1622 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1623 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1624 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1625 break;
1626 found = 1;
1627 wpa_find_assoc_pmkid(wpa_s);
1628 break;
1629 }
1630 l -= len;
1631 p += len;
1632 }
1633 if (!found && data->assoc_info.req_ies)
1634 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1635
c2a04078 1636#ifdef CONFIG_IEEE80211R
62c72d72
JM		 1637#ifdef CONFIG_SME
1638 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 1639 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1640 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1641 data->assoc_info.resp_ies,
1642 data->assoc_info.resp_ies_len,
1643 bssid) < 0) {
f049052b
BG		 1644 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1645 "Reassociation Response failed");
579ce771
JM		 1646 wpa_supplicant_deauthenticate(
1647 wpa_s, WLAN_REASON_INVALID_IE);
1648 return -1;
62c72d72
JM		 1649 }
1650 }
62c72d72 1651
c2a04078
JM		 1652 p = data->assoc_info.resp_ies;
1653 l = data->assoc_info.resp_ies_len;
1654
54f489be 1655#ifdef CONFIG_WPS_STRICT
5dac11e0 1656 if (p && wpa_s->current_ssid &&
54f489be
JM		 1657 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
1658 struct wpabuf *wps;
1659 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
1660 if (wps == NULL) {
f049052b
BG		 1661 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
1662 "include WPS IE in (Re)Association Response");
54f489be
JM		 1663 return -1;
1664 }
1665
1666 if (wps_validate_assoc_resp(wps) < 0) {
1667 wpabuf_free(wps);
1668 wpa_supplicant_deauthenticate(
1669 wpa_s, WLAN_REASON_INVALID_IE);
1670 return -1;
1671 }
1672 wpabuf_free(wps);
1673 }
1674#endif /* CONFIG_WPS_STRICT */
1675
e7846b68 1676 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 1677 while (p && l >= 2) {
1678 len = p[1] + 2;
1679 if (len > l) {
1680 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1681 p, l);
1682 break;
1683 }
e7846b68
JM		 1684 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1685 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1686 wpa_s->sme.ft_used = 1;
1687 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1688 MOBILITY_DOMAIN_ID_LEN);
1689 break;
1690 }
c2a04078
JM		 1691 l -= len;
1692 p += len;
1693 }
e7846b68 1694#endif /* CONFIG_SME */
c2a04078 1695
6a1ce395
DG		 1696 /* Process FT when SME is in the driver */
1697 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
1698 wpa_ft_is_completed(wpa_s->wpa)) {
1699 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1700 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1701 data->assoc_info.resp_ies,
1702 data->assoc_info.resp_ies_len,
1703 bssid) < 0) {
1704 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1705 "Reassociation Response failed");
1706 wpa_supplicant_deauthenticate(
1707 wpa_s, WLAN_REASON_INVALID_IE);
1708 return -1;
1709 }
1710 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
1711 }
1712
e7846b68
JM		 1713 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1714 data->assoc_info.resp_ies_len);
c2a04078
JM		 1715#endif /* CONFIG_IEEE80211R */
1716
6fc6879b
JM		 1717 /* WPA/RSN IE from Beacon/ProbeResp */
1718 p = data->assoc_info.beacon_ies;
1719 l = data->assoc_info.beacon_ies_len;
1720
1721 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1722 */
1723 wpa_found = rsn_found = 0;
1724 while (p && l >= 2) {
1725 len = p[1] + 2;
1726 if (len > l) {
1727 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1728 p, l);
1729 break;
1730 }
1731 if (!wpa_found &&
1732 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1733 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1734 wpa_found = 1;
1735 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1736 }
1737
1738 if (!rsn_found &&
1739 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1740 rsn_found = 1;
1741 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1742 }
1743
1744 l -= len;
1745 p += len;
1746 }
1747
1748 if (!wpa_found && data->assoc_info.beacon_ies)
1749 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1750 if (!rsn_found && data->assoc_info.beacon_ies)
1751 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1752 if (wpa_found || rsn_found)
1753 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 1754
117e812d
JM		 1755 if (wpa_s->assoc_freq && data->assoc_info.freq &&
1756 wpa_s->assoc_freq != data->assoc_info.freq) {
1757 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
1758 "%u to %u MHz",
1759 wpa_s->assoc_freq, data->assoc_info.freq);
1760 wpa_supplicant_update_scan_results(wpa_s);
1761 }
1762
4832ecd7 1763 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 1764
1765 return 0;
6fc6879b
JM		 1766}
1767
1768
cd2f4ddf
SM		 1769static struct wpa_bss * wpa_supplicant_get_new_bss(
1770 struct wpa_supplicant *wpa_s, const u8 *bssid)
1771{
1772 struct wpa_bss *bss = NULL;
1773 struct wpa_ssid *ssid = wpa_s->current_ssid;
1774
1775 if (ssid->ssid_len > 0)
1776 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
1777 if (!bss)
1778 bss = wpa_bss_get_bssid(wpa_s, bssid);
1779
1780 return bss;
1781}
1782
1783
ad9ee4d4
JM		 1784static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
1785{
1786 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
1787
1788 if (!wpa_s->current_bss || !wpa_s->current_ssid)
1789 return -1;
1790
1791 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
1792 return 0;
1793
1794 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1795 WPA_IE_VENDOR_TYPE);
1796 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
1797
1798 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
1799 bss_wpa ? 2 + bss_wpa[1] : 0) ||
1800 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
1801 bss_rsn ? 2 + bss_rsn[1] : 0))
1802 return -1;
1803
1804 return 0;
1805}
1806
1807
6fc6879b
JM		 1808static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1809 union wpa_event_data *data)
1810{
1811 u8 bssid[ETH_ALEN];
1d041bec 1812 int ft_completed;
6fc6879b 1813
1d041bec
JM		 1814#ifdef CONFIG_AP
1815 if (wpa_s->ap_iface) {
1816 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1817 data->assoc_info.addr,
1818 data->assoc_info.req_ies,
39b08b5f
SP		 1819 data->assoc_info.req_ies_len,
1820 data->assoc_info.reassoc);
1d041bec
JM		 1821 return;
1822 }
1823#endif /* CONFIG_AP */
1824
1825 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 1826 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1827 return;
6fc6879b 1828
0a0c38f6
MH		 1829 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1830 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 1831 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 1832 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1833 return;
1834 }
1835
6fc6879b 1836 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 1837 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
f049052b 1838 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 1839 MACSTR, MAC2STR(bssid));
bbb921da 1840 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 1841 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1842 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 1843 wpas_notify_bssid_changed(wpa_s);
8bac466b 1844
6fc6879b
JM		 1845 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1846 wpa_clear_keys(wpa_s, bssid);
1847 }
1848 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 1849 wpa_supplicant_deauthenticate(
6fc6879b
JM		 1850 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1851 return;
1852 }
8f770587
JM		 1853 if (wpa_s->current_ssid) {
1854 struct wpa_bss *bss = NULL;
cd2f4ddf
SM		 1855
1856 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1857 if (!bss) {
1858 wpa_supplicant_update_scan_results(wpa_s);
1859
1860 /* Get the BSS from the new scan results */
1861 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1862 }
1863
8f770587
JM		 1864 if (bss)
1865 wpa_s->current_bss = bss;
1866 }
cd2f4ddf
SM		 1867
1868 if (wpa_s->conf->ap_scan == 1 &&
1869 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
1870 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
1871 wpa_msg(wpa_s, MSG_WARNING,
1872 "WPA/RSN IEs not updated");
1873 }
6fc6879b
JM		 1874 }
1875
62fa124c
JM		 1876#ifdef CONFIG_SME
1877 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1878 wpa_s->sme.prev_bssid_set = 1;
1879#endif /* CONFIG_SME */
1880
6fc6879b
JM		 1881 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1882 if (wpa_s->current_ssid) {
1883 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1884 * initialized before association, but for other modes,
1885 * initialize PC/SC here, if the current configuration needs
1886 * smartcard or SIM/USIM. */
1887 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1888 }
1889 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 1890 if (wpa_s->l2)
1891 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b
JM		 1892
1893 /*
1894 * Set portEnabled first to FALSE in order to get EAP state machine out
1895 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1896 * state machine may transit to AUTHENTICATING state based on obsolete
1897 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1898 * AUTHENTICATED without ever giving chance to EAP state machine to
1899 * reset the state.
1900 */
1901 if (!ft_completed) {
1902 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1903 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1904 }
56586197 1905 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
6fc6879b
JM		 1906 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1907 /* 802.1X::portControl = Auto */
1908 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1909 wpa_s->eapol_received = 0;
1910 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 1911 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1912 (wpa_s->current_ssid &&
1913 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
6ea1f413
JM		 1914 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
1915 (wpa_s->drv_flags &
1916 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
1917 /*
1918 * Set the key after having received joined-IBSS event
1919 * from the driver.
1920 */
1921 wpa_supplicant_set_wpa_none_key(wpa_s,
1922 wpa_s->current_ssid);
1923 }
6fc6879b
JM		 1924 wpa_supplicant_cancel_auth_timeout(wpa_s);
1925 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1926 } else if (!ft_completed) {
1927 /* Timeout for receiving the first EAPOL packet */
1928 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1929 }
1930 wpa_supplicant_cancel_scan(wpa_s);
1931
c2a04078 1932 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 1933 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 1934 /*
1935 * We are done; the driver will take care of RSN 4-way
1936 * handshake.
1937 */
1938 wpa_supplicant_cancel_auth_timeout(wpa_s);
1939 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1940 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1941 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
98ea9431
JM		 1942 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1943 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1944 /*
1945 * The driver will take care of RSN 4-way handshake, so we need
1946 * to allow EAPOL supplicant to complete its work without
1947 * waiting for WPA supplicant.
1948 */
1949 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
16a83d29
JM		 1950 } else if (ft_completed) {
1951 /*
1952 * FT protocol completed - make sure EAPOL state machine ends
1953 * up in authenticated.
1954 */
1955 wpa_supplicant_cancel_auth_timeout(wpa_s);
1956 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1957 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1958 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
6fc6879b 1959 }
1ff73338 1960
3ab35a66
JM		 1961 wpa_s->last_eapol_matches_bssid = 0;
1962
1ff73338 1963 if (wpa_s->pending_eapol_rx) {
c2be937c
JB		 1964 struct os_reltime now, age;
1965 os_get_reltime(&now);
1966 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1ff73338
JM		 1967 if (age.sec == 0 && age.usec < 100000 &&
1968 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1969 0) {
f049052b
BG		 1970 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
1971 "frame that was received just before "
1972 "association notification");
1ff73338
JM		 1973 wpa_supplicant_rx_eapol(
1974 wpa_s, wpa_s->pending_eapol_rx_src,
1975 wpabuf_head(wpa_s->pending_eapol_rx),
1976 wpabuf_len(wpa_s->pending_eapol_rx));
1977 }
1978 wpabuf_free(wpa_s->pending_eapol_rx);
1979 wpa_s->pending_eapol_rx = NULL;
1980 }
60b94c98 1981
0194fedb
JB		 1982 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1983 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 1984 wpa_s->current_ssid &&
1985 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 1986 /* Set static WEP keys again */
1987 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1988 }
50b05780
JM		 1989
1990#ifdef CONFIG_IBSS_RSN
1991 if (wpa_s->current_ssid &&
1992 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
1993 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 1994 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
1995 wpa_s->ibss_rsn == NULL) {
1996 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
1997 if (!wpa_s->ibss_rsn) {
1998 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
1999 wpa_supplicant_deauthenticate(
2000 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2001 return;
2002 }
2003
2004 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2005 }
50b05780 2006#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 2007
2008 wpas_wps_notify_assoc(wpa_s, bssid);
6fc6879b
JM		 2009}
2010
2011
d00821e9
JM		 2012static int disconnect_reason_recoverable(u16 reason_code)
2013{
2014 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2015 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2016 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2017}
2018
2019
0544b242 2020static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 2021 u16 reason_code,
2022 int locally_generated)
6fc6879b
JM		 2023{
2024 const u8 *bssid;
0aadd568
JM		 2025
2026 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2027 /*
2028 * At least Host AP driver and a Prism3 card seemed to be
2029 * generating streams of disconnected events when configuring
2030 * IBSS for WPA-None. Ignore them for now.
2031 */
2032 return;
2033 }
2034
2035 bssid = wpa_s->bssid;
2036 if (is_zero_ether_addr(bssid))
2037 bssid = wpa_s->pending_bssid;
2038
2039 if (!is_zero_ether_addr(bssid) ||
2040 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2041 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2042 " reason=%d%s",
2043 MAC2STR(bssid), reason_code,
2044 locally_generated ? " locally_generated=1" : "");
2045 }
2046}
2047
2048
c9a82218
JM		 2049static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2050 int locally_generated)
2051{
2052 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2053 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2054 return 0; /* Not in 4-way handshake with PSK */
2055
2056 /*
2057 * It looks like connection was lost while trying to go through PSK
2058 * 4-way handshake. Filter out known disconnection cases that are caused
2059 * by something else than PSK mismatch to avoid confusing reports.
2060 */
2061
2062 if (locally_generated) {
2063 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2064 return 0;
2065 }
2066
2067 return 1;
2068}
2069
2070
0aadd568
JM		 2071static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2072 u16 reason_code,
2073 int locally_generated)
2074{
2075 const u8 *bssid;
6d6f4bb8
JM		 2076 int authenticating;
2077 u8 prev_pending_bssid[ETH_ALEN];
d00821e9 2078 struct wpa_bss *fast_reconnect = NULL;
5d5c4ee5 2079#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9 2080 struct wpa_ssid *fast_reconnect_ssid = NULL;
5d5c4ee5 2081#endif /* CONFIG_NO_SCAN_PROCESSING */
bcdf2096 2082 struct wpa_ssid *last_ssid;
6d6f4bb8
JM		 2083
2084 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2085 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 2086
2087 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2088 /*
2089 * At least Host AP driver and a Prism3 card seemed to be
2090 * generating streams of disconnected events when configuring
2091 * IBSS for WPA-None. Ignore them for now.
2092 */
f049052b
BG		 2093 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2094 "IBSS/WPA-None mode");
6fc6879b
JM		 2095 return;
2096 }
2097
c9a82218 2098 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 2099 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2100 "pre-shared key may be incorrect");
5bf9a6c8
JM		 2101 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2102 return; /* P2P group removed */
00e5e3d5 2103 wpas_auth_failed(wpa_s);
6fc6879b 2104 }
3636b891
JM		 2105 if (!wpa_s->disconnected &&
2106 (!wpa_s->auto_reconnect_disabled ||
2107 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)) {
d00821e9 2108 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
f7da5a9e
JM		 2109 "reconnect (wps=%d wpa_state=%d)",
2110 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
2111 wpa_s->wpa_state);
d00821e9
JM		 2112 if (wpa_s->wpa_state == WPA_COMPLETED &&
2113 wpa_s->current_ssid &&
2114 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 2115 !locally_generated &&
d00821e9
JM		 2116 disconnect_reason_recoverable(reason_code)) {
2117 /*
2118 * It looks like the AP has dropped association with
2119 * us, but could allow us to get back in. Try to
2120 * reconnect to the same BSS without full scan to save
2121 * time for some common cases.
2122 */
2123 fast_reconnect = wpa_s->current_bss;
5d5c4ee5 2124#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9 2125 fast_reconnect_ssid = wpa_s->current_ssid;
5d5c4ee5 2126#endif /* CONFIG_NO_SCAN_PROCESSING */
d00821e9 2127 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 2128 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 2129 else
2130 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2131 "immediate scan");
0d0a8ca1 2132 } else {
d00821e9 2133 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 2134 "try to re-connect");
0d0a8ca1
AC		 2135 wpa_s->reassociate = 0;
2136 wpa_s->disconnected = 1;
433cd2ce 2137 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 2138 }
6fc6879b 2139 bssid = wpa_s->bssid;
a8e16edc 2140 if (is_zero_ether_addr(bssid))
6fc6879b 2141 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 2142 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2143 wpas_connection_failed(wpa_s, bssid);
6fc6879b 2144 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 2145 if (locally_generated)
2146 wpa_s->disconnect_reason = -reason_code;
2147 else
2148 wpa_s->disconnect_reason = reason_code;
2149 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 2150 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 2151 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 2152 wpa_clear_keys(wpa_s, wpa_s->bssid);
2153 }
bcdf2096 2154 last_ssid = wpa_s->current_ssid;
6fc6879b 2155 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 2156
bcdf2096 2157 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 2158 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 2159 wpa_s->current_ssid = last_ssid;
2160 }
d00821e9
JM		 2161
2162 if (fast_reconnect) {
5928411e 2163#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 2164 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2165 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2166 fast_reconnect_ssid) < 0) {
2167 /* Recover through full scan */
2168 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2169 }
5928411e 2170#endif /* CONFIG_NO_SCAN_PROCESSING */
d00821e9 2171 }
6fc6879b
JM		 2172}
2173
2174
46690a3b 2175#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 2176void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 2177{
2178 struct wpa_supplicant *wpa_s = eloop_ctx;
2179
2180 if (!wpa_s->pending_mic_error_report)
2181 return;
2182
f049052b 2183 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 2184 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2185 wpa_s->pending_mic_error_report = 0;
2186}
2187#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2188
2189
6fc6879b
JM		 2190static void
2191wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2192 union wpa_event_data *data)
2193{
2194 int pairwise;
6473e5c8 2195 struct os_reltime t;
6fc6879b
JM		 2196
2197 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2198 pairwise = (data && data->michael_mic_failure.unicast);
6473e5c8
JB		 2199 os_get_reltime(&t);
2200 if ((wpa_s->last_michael_mic_error.sec &&
2201 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
46690a3b
JM		 2202 wpa_s->pending_mic_error_report) {
2203 if (wpa_s->pending_mic_error_report) {
2204 /*
2205 * Send the pending MIC error report immediately since
2206 * we are going to start countermeasures and AP better
2207 * do the same.
2208 */
2209 wpa_sm_key_request(wpa_s->wpa, 1,
2210 wpa_s->pending_mic_error_pairwise);
2211 }
2212
2213 /* Send the new MIC error report immediately since we are going
2214 * to start countermeasures and AP better do the same.
2215 */
2216 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2217
6fc6879b
JM		 2218 /* initialize countermeasures */
2219 wpa_s->countermeasures = 1;
8945cc45
BM		 2220
2221 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2222
6fc6879b
JM		 2223 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2224
2225 /*
2226 * Need to wait for completion of request frame. We do not get
2227 * any callback for the message completion, so just wait a
2228 * short while and hope for the best. */
2229 os_sleep(0, 10000);
2230
2231 wpa_drv_set_countermeasures(wpa_s, 1);
2232 wpa_supplicant_deauthenticate(wpa_s,
2233 WLAN_REASON_MICHAEL_MIC_FAILURE);
2234 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2235 wpa_s, NULL);
2236 eloop_register_timeout(60, 0,
2237 wpa_supplicant_stop_countermeasures,
2238 wpa_s, NULL);
2239 /* TODO: mark the AP rejected for 60 second. STA is
2240 * allowed to associate with another AP.. */
46690a3b
JM		 2241 } else {
2242#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2243 if (wpa_s->mic_errors_seen) {
2244 /*
2245 * Reduce the effectiveness of Michael MIC error
2246 * reports as a means for attacking against TKIP if
2247 * more than one MIC failure is noticed with the same
2248 * PTK. We delay the transmission of the reports by a
2249 * random time between 0 and 60 seconds in order to
2250 * force the attacker wait 60 seconds before getting
2251 * the information on whether a frame resulted in a MIC
2252 * failure.
2253 */
2254 u8 rval[4];
2255 int sec;
2256
2257 if (os_get_random(rval, sizeof(rval)) < 0)
2258 sec = os_random() % 60;
2259 else
2260 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 2261 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2262 "report %d seconds", sec);
46690a3b
JM		 2263 wpa_s->pending_mic_error_report = 1;
2264 wpa_s->pending_mic_error_pairwise = pairwise;
2265 eloop_cancel_timeout(
2266 wpa_supplicant_delayed_mic_error_report,
2267 wpa_s, NULL);
2268 eloop_register_timeout(
2269 sec, os_random() % 1000000,
2270 wpa_supplicant_delayed_mic_error_report,
2271 wpa_s, NULL);
2272 } else {
2273 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2274 }
2275#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2276 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2277#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b 2278 }
6473e5c8 2279 wpa_s->last_michael_mic_error = t;
46690a3b 2280 wpa_s->mic_errors_seen++;
6fc6879b
JM		 2281}
2282
2283
a83d9c96
SL		 2284#ifdef CONFIG_TERMINATE_ONLASTIF
2285static int any_interfaces(struct wpa_supplicant *head)
2286{
2287 struct wpa_supplicant *wpa_s;
2288
2289 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2290 if (!wpa_s->interface_removed)
2291 return 1;
2292 return 0;
2293}
2294#endif /* CONFIG_TERMINATE_ONLASTIF */
2295
2296
6fc6879b
JM		 2297static void
2298wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2299 union wpa_event_data *data)
2300{
2301 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2302 return;
2303
2304 switch (data->interface_status.ievent) {
2305 case EVENT_INTERFACE_ADDED:
2306 if (!wpa_s->interface_removed)
2307 break;
2308 wpa_s->interface_removed = 0;
f049052b 2309 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 2310 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 2311 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2312 "driver after interface was added");
6fc6879b
JM		 2313 }
2314 break;
2315 case EVENT_INTERFACE_REMOVED:
f049052b 2316 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 2317 wpa_s->interface_removed = 1;
2318 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 2319 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 2320 l2_packet_deinit(wpa_s->l2);
2321 wpa_s->l2 = NULL;
ea244d21 2322#ifdef CONFIG_IBSS_RSN
78177a00
JM		 2323 ibss_rsn_deinit(wpa_s->ibss_rsn);
2324 wpa_s->ibss_rsn = NULL;
ea244d21 2325#endif /* CONFIG_IBSS_RSN */
a83d9c96
SL		 2326#ifdef CONFIG_TERMINATE_ONLASTIF
2327 /* check if last interface */
2328 if (!any_interfaces(wpa_s->global->ifaces))
2329 eloop_terminate();
2330#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 2331 break;
2332 }
2333}
2334
2335
2336#ifdef CONFIG_PEERKEY
2337static void
2338wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2339 union wpa_event_data *data)
2340{
2341 if (data == NULL)
2342 return;
2343 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2344}
2345#endif /* CONFIG_PEERKEY */
2346
2347
281ff0aa
GP		 2348#ifdef CONFIG_TDLS
2349static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2350 union wpa_event_data *data)
2351{
2352 if (data == NULL)
2353 return;
2354 switch (data->tdls.oper) {
2355 case TDLS_REQUEST_SETUP:
3887878e
SD		 2356 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2357 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2358 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2359 else
2360 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 2361 break;
2362 case TDLS_REQUEST_TEARDOWN:
f130b105
SD		 2363 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2364 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
2365 data->tdls.reason_code);
2366 else
2367 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
2368 data->tdls.peer);
281ff0aa
GP		 2369 break;
2370 }
2371}
2372#endif /* CONFIG_TDLS */
2373
2374
ad3872a3 2375#ifdef CONFIG_WNM
75cad1a0
XC		 2376static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2377 union wpa_event_data *data)
2378{
2379 if (data == NULL)
2380 return;
2381 switch (data->wnm.oper) {
2382 case WNM_OPER_SLEEP:
2383 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2384 "(action=%d, intval=%d)",
2385 data->wnm.sleep_action, data->wnm.sleep_intval);
2386 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 2387 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 2388 break;
2389 }
2390}
ad3872a3 2391#endif /* CONFIG_WNM */
75cad1a0
XC		 2392
2393
6fc6879b
JM		 2394#ifdef CONFIG_IEEE80211R
2395static void
2396wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2397 union wpa_event_data *data)
2398{
2399 if (data == NULL)
2400 return;
2401
2402 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2403 data->ft_ies.ies_len,
2404 data->ft_ies.ft_action,
babfbf15
JM		 2405 data->ft_ies.target_ap,
2406 data->ft_ies.ric_ies,
2407 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 2408 /* TODO: prevent MLME/driver from trying to associate? */
2409 }
2410}
2411#endif /* CONFIG_IEEE80211R */
2412
2413
11ef8d35
JM		 2414#ifdef CONFIG_IBSS_RSN
2415static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2416 union wpa_event_data *data)
2417{
df4bc509 2418 struct wpa_ssid *ssid;
df418245
XC		 2419 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2420 return;
11ef8d35
JM		 2421 if (data == NULL)
2422 return;
df4bc509
JM		 2423 ssid = wpa_s->current_ssid;
2424 if (ssid == NULL)
2425 return;
2426 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2427 return;
2428
11ef8d35
JM		 2429 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2430}
13adc57b
AQ		 2431
2432
2433static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
2434 union wpa_event_data *data)
2435{
2436 struct wpa_ssid *ssid = wpa_s->current_ssid;
2437
2438 if (ssid == NULL)
2439 return;
2440
2441 /* check if the ssid is correctly configured as IBSS/RSN */
2442 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2443 return;
2444
2445 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
2446 data->rx_mgmt.frame_len);
2447}
11ef8d35
JM		 2448#endif /* CONFIG_IBSS_RSN */
2449
2450
036f7c4a
JM		 2451#ifdef CONFIG_IEEE80211R
2452static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2453 size_t len)
2454{
2455 const u8 *sta_addr, *target_ap_addr;
2456 u16 status;
2457
2458 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2459 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2460 return; /* only SME case supported for now */
2461 if (len < 1 + 2 * ETH_ALEN + 2)
2462 return;
2463 if (data[0] != 2)
2464 return; /* Only FT Action Response is supported for now */
2465 sta_addr = data + 1;
2466 target_ap_addr = data + 1 + ETH_ALEN;
2467 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 2468 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2469 MACSTR " TargetAP " MACSTR " status %u",
2470 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 2471
2472 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 2473 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2474 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 2475 return;
2476 }
2477
2478 if (status) {
f049052b
BG		 2479 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2480 "failure (status code %d)", status);
036f7c4a
JM		 2481 /* TODO: report error to FT code(?) */
2482 return;
2483 }
2484
2485 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2486 len - (1 + 2 * ETH_ALEN + 2), 1,
2487 target_ap_addr, NULL, 0) < 0)
2488 return;
2489
fe191985
JM		 2490#ifdef CONFIG_SME
2491 {
2492 struct wpa_bss *bss;
2493 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
2494 if (bss)
2495 wpa_s->sme.freq = bss->freq;
62c72d72 2496 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 2497 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
2498 WLAN_AUTH_FT);
2499 }
2500#endif /* CONFIG_SME */
036f7c4a
JM		 2501}
2502#endif /* CONFIG_IEEE80211R */
2503
2504
7d878ca7
JM		 2505static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
2506 struct unprot_deauth *e)
2507{
2508#ifdef CONFIG_IEEE80211W
2509 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
2510 "dropped: " MACSTR " -> " MACSTR
2511 " (reason code %u)",
2512 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2513 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2514#endif /* CONFIG_IEEE80211W */
2515}
2516
2517
2518static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
2519 struct unprot_disassoc *e)
2520{
2521#ifdef CONFIG_IEEE80211W
2522 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
2523 "dropped: " MACSTR " -> " MACSTR
2524 " (reason code %u)",
2525 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2526 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2527#endif /* CONFIG_IEEE80211W */
2528}
2529
2530
d7df0fa7
JM		 2531static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
2532 u16 reason_code, int locally_generated,
2533 const u8 *ie, size_t ie_len, int deauth)
2534{
2535#ifdef CONFIG_AP
2536 if (wpa_s->ap_iface && addr) {
2537 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
2538 return;
2539 }
2540
2541 if (wpa_s->ap_iface) {
2542 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
2543 return;
2544 }
2545#endif /* CONFIG_AP */
2546
2547 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
2548
c60ba9f7
JM		 2549 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
2550 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2551 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
2552 eapol_sm_failed(wpa_s->eapol))) &&
2553 !wpa_s->eap_expected_failure))
d7df0fa7
JM		 2554 wpas_auth_failed(wpa_s);
2555
2556#ifdef CONFIG_P2P
43ee4704 2557 if (deauth && reason_code > 0) {
d7df0fa7
JM		 2558 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
2559 locally_generated) > 0) {
2560 /*
2561 * The interface was removed, so cannot continue
2562 * processing any additional operations after this.
2563 */
2564 return;
2565 }
2566 }
2567#endif /* CONFIG_P2P */
2568
2569 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
2570 locally_generated);
2571}
2572
2573
2574static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
2575 struct disassoc_info *info)
2576{
2577 u16 reason_code = 0;
2578 int locally_generated = 0;
2579 const u8 *addr = NULL;
2580 const u8 *ie = NULL;
2581 size_t ie_len = 0;
2582
2583 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
2584
2585 if (info) {
2586 addr = info->addr;
2587 ie = info->ie;
2588 ie_len = info->ie_len;
2589 reason_code = info->reason_code;
2590 locally_generated = info->locally_generated;
2591 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
2592 locally_generated ? " (locally generated)" : "");
2593 if (addr)
2594 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2595 MAC2STR(addr));
2596 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
2597 ie, ie_len);
2598 }
2599
2600#ifdef CONFIG_AP
2601 if (wpa_s->ap_iface && info && info->addr) {
2602 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
2603 return;
2604 }
2605
2606 if (wpa_s->ap_iface) {
2607 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
2608 return;
2609 }
2610#endif /* CONFIG_AP */
2611
2612#ifdef CONFIG_P2P
2613 if (info) {
2614 wpas_p2p_disassoc_notif(
2615 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
2616 locally_generated);
2617 }
2618#endif /* CONFIG_P2P */
2619
2620 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2621 sme_event_disassoc(wpa_s, info);
2622
2623 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
2624 ie, ie_len, 0);
2625}
2626
2627
2628static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
2629 struct deauth_info *info)
2630{
2631 u16 reason_code = 0;
2632 int locally_generated = 0;
2633 const u8 *addr = NULL;
2634 const u8 *ie = NULL;
2635 size_t ie_len = 0;
2636
2637 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
2638
2639 if (info) {
2640 addr = info->addr;
2641 ie = info->ie;
2642 ie_len = info->ie_len;
2643 reason_code = info->reason_code;
2644 locally_generated = info->locally_generated;
2645 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2646 reason_code,
2647 locally_generated ? " (locally generated)" : "");
2648 if (addr) {
2649 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2650 MAC2STR(addr));
2651 }
2652 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
2653 ie, ie_len);
2654 }
2655
2656 wpa_reset_ft_completed(wpa_s->wpa);
2657
2658 wpas_event_disconnect(wpa_s, addr, reason_code,
2659 locally_generated, ie, ie_len, 1);
2660}
2661
2662
731ca636
VKE		 2663static void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s)
2664{
731ca636
VKE		 2665 struct wpa_supplicant *ifs;
2666
2667 if (wpa_s->drv_priv == NULL)
2668 return; /* Ignore event during drv initialization */
2669
2670 free_hw_features(wpa_s);
2671 wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
2672 wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
2673
2674#ifdef CONFIG_P2P
2675 wpas_p2p_update_channel_list(wpa_s);
2676#endif /* CONFIG_P2P */
2677
2678 /*
c67e7e2a 2679 * Check other interfaces to see if they share the same radio. If
731ca636
VKE		 2680 * so, they get updated with this same hw mode info.
2681 */
c67e7e2a
JM		 2682 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2683 radio_list) {
2684 if (ifs != wpa_s) {
731ca636
VKE		 2685 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
2686 ifs->ifname);
2687 free_hw_features(ifs);
2688 ifs->hw.modes = wpa_drv_get_hw_feature_data(
2689 ifs, &ifs->hw.num_modes, &ifs->hw.flags);
2690 }
2691 }
2692}
2693
2694
dbfb8e82
JM		 2695static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
2696 const struct ieee80211_mgmt *mgmt,
2697 size_t len, int freq)
2698{
2699 const u8 *payload;
2700 size_t plen;
2701 u8 category;
2702
2703 if (len < IEEE80211_HDRLEN + 2)
2704 return;
2705
2706 payload = &mgmt->u.action.category;
2707 category = *payload++;
2708 plen = (((const u8 *) mgmt) + len) - payload;
2709
2710 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
2711 " Category=%u DataLen=%d freq=%d MHz",
2712 MAC2STR(mgmt->sa), category, (int) plen, freq);
2713
2714#ifdef CONFIG_IEEE80211R
2715 if (category == WLAN_ACTION_FT) {
2716 ft_rx_action(wpa_s, payload, plen);
2717 return;
2718 }
2719#endif /* CONFIG_IEEE80211R */
2720
2721#ifdef CONFIG_IEEE80211W
2722#ifdef CONFIG_SME
2723 if (category == WLAN_ACTION_SA_QUERY) {
2724 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
2725 return;
2726 }
2727#endif /* CONFIG_SME */
2728#endif /* CONFIG_IEEE80211W */
2729
2730#ifdef CONFIG_WNM
2731 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
2732 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
2733 return;
2734 }
2735#endif /* CONFIG_WNM */
2736
2737#ifdef CONFIG_GAS
2738 if (mgmt->u.action.category == WLAN_ACTION_PUBLIC &&
2739 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
2740 payload, plen, freq) == 0)
2741 return;
2742#endif /* CONFIG_GAS */
2743
2744#ifdef CONFIG_TDLS
2745 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
2746 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
2747 wpa_dbg(wpa_s, MSG_DEBUG,
2748 "TDLS: Received Discovery Response from " MACSTR,
2749 MAC2STR(mgmt->sa));
2750 return;
2751 }
2752#endif /* CONFIG_TDLS */
2753
2754#ifdef CONFIG_INTERWORKING
2755 if (category == WLAN_ACTION_QOS && plen >= 1 &&
2756 payload[0] == QOS_QOS_MAP_CONFIG) {
2757 const u8 *pos = payload + 1;
2758 size_t qlen = plen - 1;
2759 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
2760 MACSTR, MAC2STR(mgmt->sa));
2761 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
2762 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
2763 pos[1] <= qlen - 2 && pos[1] >= 16)
2764 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
2765 return;
2766 }
2767#endif /* CONFIG_INTERWORKING */
2768
2769#ifdef CONFIG_P2P
2770 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
2771 category, payload, plen, freq);
2772#endif /* CONFIG_P2P */
2773}
2774
2775
9646a8ab 2776void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 2777 union wpa_event_data *data)
2778{
2779 struct wpa_supplicant *wpa_s = ctx;
2780
8401a6b0
JM		 2781 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
2782 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb
JM		 2783 event != EVENT_INTERFACE_STATUS &&
2784 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 2785 wpa_dbg(wpa_s, MSG_DEBUG,
2786 "Ignore event %s (%d) while interface is disabled",
2787 event_to_string(event), event);
8401a6b0
JM		 2788 return;
2789 }
2790
74781dfc
JM		 2791#ifndef CONFIG_NO_STDOUT_DEBUG
2792{
2793 int level = MSG_DEBUG;
2794
eab6f5e0 2795 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 2796 const struct ieee80211_hdr *hdr;
2797 u16 fc;
2798 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
2799 fc = le_to_host16(hdr->frame_control);
2800 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2801 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
2802 level = MSG_EXCESSIVE;
2803 }
2804
2805 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 2806 event_to_string(event), event);
74781dfc
JM		 2807}
2808#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 2809
6fc6879b 2810 switch (event) {
c2a04078
JM		 2811 case EVENT_AUTH:
2812 sme_event_auth(wpa_s, data);
2813 break;
6fc6879b
JM		 2814 case EVENT_ASSOC:
2815 wpa_supplicant_event_assoc(wpa_s, data);
2816 break;
2817 case EVENT_DISASSOC:
d7df0fa7
JM		 2818 wpas_event_disassoc(wpa_s,
2819 data ? &data->disassoc_info : NULL);
2820 break;
a84ed99e 2821 case EVENT_DEAUTH:
d7df0fa7
JM		 2822 wpas_event_deauth(wpa_s,
2823 data ? &data->deauth_info : NULL);
6fc6879b
JM		 2824 break;
2825 case EVENT_MICHAEL_MIC_FAILURE:
2826 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
2827 break;
2828#ifndef CONFIG_NO_SCAN_PROCESSING
a5f40eff 2829 case EVENT_SCAN_STARTED:
dc3906cb 2830 os_get_reltime(&wpa_s->scan_start_time);
a5f40eff 2831 if (wpa_s->own_scan_requested) {
dc3906cb
JM		 2832 struct os_reltime diff;
2833
2834 os_reltime_sub(&wpa_s->scan_start_time,
2835 &wpa_s->scan_trigger_time, &diff);
2836 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
2837 diff.sec, diff.usec);
a5f40eff
JM		 2838 wpa_s->own_scan_requested = 0;
2839 wpa_s->own_scan_running = 1;
d81c73be
JM		 2840 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
2841 wpa_s->manual_scan_use_id) {
2842 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED "id=%u",
2843 wpa_s->manual_scan_id);
2844 } else {
2845 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
2846 }
a5f40eff
JM		 2847 } else {
2848 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
2849 wpa_s->external_scan_running = 1;
2850 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
2851 }
2852 break;
6fc6879b 2853 case EVENT_SCAN_RESULTS:
dc3906cb
JM		 2854 if (os_reltime_initialized(&wpa_s->scan_start_time)) {
2855 struct os_reltime now, diff;
2856 os_get_reltime(&now);
2857 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
2858 wpa_s->scan_start_time.sec = 0;
2859 wpa_s->scan_start_time.usec = 0;
2860 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
2861 diff.sec, diff.usec);
2862 }
8d923a4a 2863 wpa_supplicant_event_scan_results(wpa_s, data);
a5f40eff
JM		 2864 wpa_s->own_scan_running = 0;
2865 wpa_s->external_scan_running = 0;
6428d0a7 2866 radio_work_check_next(wpa_s);
6fc6879b
JM		 2867 break;
2868#endif /* CONFIG_NO_SCAN_PROCESSING */
2869 case EVENT_ASSOCINFO:
2870 wpa_supplicant_event_associnfo(wpa_s, data);
2871 break;
2872 case EVENT_INTERFACE_STATUS:
2873 wpa_supplicant_event_interface_status(wpa_s, data);
2874 break;
2875 case EVENT_PMKID_CANDIDATE:
2876 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
2877 break;
2878#ifdef CONFIG_PEERKEY
2879 case EVENT_STKSTART:
2880 wpa_supplicant_event_stkstart(wpa_s, data);
2881 break;
2882#endif /* CONFIG_PEERKEY */
281ff0aa
GP		 2883#ifdef CONFIG_TDLS
2884 case EVENT_TDLS:
2885 wpa_supplicant_event_tdls(wpa_s, data);
2886 break;
2887#endif /* CONFIG_TDLS */
ad3872a3 2888#ifdef CONFIG_WNM
75cad1a0
XC		 2889 case EVENT_WNM:
2890 wpa_supplicant_event_wnm(wpa_s, data);
2891 break;
ad3872a3 2892#endif /* CONFIG_WNM */
6fc6879b
JM		 2893#ifdef CONFIG_IEEE80211R
2894 case EVENT_FT_RESPONSE:
2895 wpa_supplicant_event_ft_response(wpa_s, data);
2896 break;
2897#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 2898#ifdef CONFIG_IBSS_RSN
2899 case EVENT_IBSS_RSN_START:
2900 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
2901 break;
2902#endif /* CONFIG_IBSS_RSN */
efa46078 2903 case EVENT_ASSOC_REJECT:
c05d6d18
JM		 2904 if (data->assoc_reject.bssid)
2905 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2906 "bssid=" MACSTR " status_code=%u",
2907 MAC2STR(data->assoc_reject.bssid),
2908 data->assoc_reject.status_code);
2909 else
2910 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2911 "status_code=%u",
2912 data->assoc_reject.status_code);
ea78c315
JM		 2913 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2914 sme_event_assoc_reject(wpa_s, data);
10737aba
JM		 2915 else {
2916 const u8 *bssid = data->assoc_reject.bssid;
2917 if (bssid == NULL || is_zero_ether_addr(bssid))
2918 bssid = wpa_s->pending_bssid;
2919 wpas_connection_failed(wpa_s, bssid);
2920 wpa_supplicant_mark_disassoc(wpa_s);
2921 }
efa46078 2922 break;
da1fb17c 2923 case EVENT_AUTH_TIMED_OUT:
ea78c315
JM		 2924 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2925 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 2926 break;
2927 case EVENT_ASSOC_TIMED_OUT:
ea78c315
JM		 2928 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2929 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 2930 break;
f8b1f695 2931 case EVENT_TX_STATUS:
f049052b
BG		 2932 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
2933 " type=%d stype=%d",
2934 MAC2STR(data->tx_status.dst),
2935 data->tx_status.type, data->tx_status.stype);
24f6497c 2936#ifdef CONFIG_AP
9bae1be0 2937 if (wpa_s->ap_iface == NULL) {
24f6497c 2938#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 2939 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2940 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 2941 offchannel_send_action_tx_status(
9bae1be0
JM		 2942 wpa_s, data->tx_status.dst,
2943 data->tx_status.data,
2944 data->tx_status.data_len,
93b7ddd0 2945 data->tx_status.ack ?
24f6497c
JM		 2946 OFFCHANNEL_SEND_ACTION_SUCCESS :
2947 OFFCHANNEL_SEND_ACTION_NO_ACK);
2948#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 2949 break;
2950 }
24f6497c
JM		 2951#endif /* CONFIG_AP */
2952#ifdef CONFIG_OFFCHANNEL
f049052b
BG		 2953 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
2954 MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
9bae1be0
JM		 2955 /*
2956 * Catch TX status events for Action frames we sent via group
2957 * interface in GO mode.
2958 */
2959 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2960 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
2961 os_memcmp(wpa_s->parent->pending_action_dst,
2962 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 2963 offchannel_send_action_tx_status(
9bae1be0
JM		 2964 wpa_s->parent, data->tx_status.dst,
2965 data->tx_status.data,
2966 data->tx_status.data_len,
1d39378a 2967 data->tx_status.ack ?
24f6497c
JM		 2968 OFFCHANNEL_SEND_ACTION_SUCCESS :
2969 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 2970 break;
9bae1be0 2971 }
24f6497c
JM		 2972#endif /* CONFIG_OFFCHANNEL */
2973#ifdef CONFIG_AP
f8b1f695
JM		 2974 switch (data->tx_status.type) {
2975 case WLAN_FC_TYPE_MGMT:
2976 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
2977 data->tx_status.data_len,
2978 data->tx_status.stype,
2979 data->tx_status.ack);
2980 break;
2981 case WLAN_FC_TYPE_DATA:
2982 ap_tx_status(wpa_s, data->tx_status.dst,
2983 data->tx_status.data,
2984 data->tx_status.data_len,
2985 data->tx_status.ack);
2986 break;
2987 }
24f6497c 2988#endif /* CONFIG_AP */
f8b1f695 2989 break;
24f6497c 2990#ifdef CONFIG_AP
dd840f79
JB		 2991 case EVENT_EAPOL_TX_STATUS:
2992 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
2993 data->eapol_tx_status.data,
2994 data->eapol_tx_status.data_len,
2995 data->eapol_tx_status.ack);
2996 break;
bcf24348
JB		 2997 case EVENT_DRIVER_CLIENT_POLL_OK:
2998 ap_client_poll_ok(wpa_s, data->client_poll.addr);
2999 break;
f8b1f695
JM		 3000 case EVENT_RX_FROM_UNKNOWN:
3001 if (wpa_s->ap_iface == NULL)
3002 break;
9b90955e
JB		 3003 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
3004 data->rx_from_unknown.wds);
f8b1f695 3005 break;
1b487b8b
TP		 3006 case EVENT_CH_SWITCH:
3007 if (!data)
3008 break;
3009 if (!wpa_s->ap_iface) {
3010 wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch "
3011 "event in non-AP mode");
3012 break;
3013 }
3014
1b487b8b
TP		 3015 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
3016 data->ch_switch.ht_enabled,
8d1fdde7
JD		 3017 data->ch_switch.ch_offset,
3018 data->ch_switch.ch_width,
3019 data->ch_switch.cf1,
3020 data->ch_switch.cf2);
1b487b8b 3021 break;
13adc57b 3022#endif /* CONFIG_AP */
2d43d37f
JB		 3023 case EVENT_RX_MGMT: {
3024 u16 fc, stype;
3025 const struct ieee80211_mgmt *mgmt;
3026
3027 mgmt = (const struct ieee80211_mgmt *)
3028 data->rx_mgmt.frame;
3029 fc = le_to_host16(mgmt->frame_control);
3030 stype = WLAN_FC_GET_STYPE(fc);
3031
13adc57b 3032#ifdef CONFIG_AP
9bae1be0 3033 if (wpa_s->ap_iface == NULL) {
13adc57b 3034#endif /* CONFIG_AP */
9bae1be0 3035#ifdef CONFIG_P2P
9bae1be0
JM		 3036 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3037 data->rx_mgmt.frame_len > 24) {
3038 const u8 *src = mgmt->sa;
3039 const u8 *ie = mgmt->u.probe_req.variable;
3040 size_t ie_len = data->rx_mgmt.frame_len -
3041 (mgmt->u.probe_req.variable -
3042 data->rx_mgmt.frame);
baf513d6
JB		 3043 wpas_p2p_probe_req_rx(
3044 wpa_s, src, mgmt->da,
3045 mgmt->bssid, ie, ie_len,
3046 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 3047 break;
3048 }
3049#endif /* CONFIG_P2P */
13adc57b
AQ		 3050#ifdef CONFIG_IBSS_RSN
3051 if (stype == WLAN_FC_STYPE_AUTH &&
3052 data->rx_mgmt.frame_len >= 30) {
3053 wpa_supplicant_event_ibss_auth(wpa_s, data);
3054 break;
3055 }
3056#endif /* CONFIG_IBSS_RSN */
dbfb8e82
JM		 3057
3058 if (stype == WLAN_FC_STYPE_ACTION) {
3059 wpas_event_rx_mgmt_action(
3060 wpa_s, mgmt, data->rx_mgmt.frame_len,
3061 data->rx_mgmt.freq);
3062 break;
3063 }
3064
f049052b
BG		 3065 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
3066 "management frame in non-AP mode");
f8b1f695 3067 break;
13adc57b 3068#ifdef CONFIG_AP
9bae1be0 3069 }
2d43d37f
JB		 3070
3071 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3072 data->rx_mgmt.frame_len > 24) {
3073 const u8 *ie = mgmt->u.probe_req.variable;
3074 size_t ie_len = data->rx_mgmt.frame_len -
3075 (mgmt->u.probe_req.variable -
3076 data->rx_mgmt.frame);
3077
3078 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
3079 mgmt->bssid, ie, ie_len,
3080 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 3081 }
3082
2a8b7416 3083 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
13adc57b 3084#endif /* CONFIG_AP */
f8b1f695 3085 break;
2d43d37f 3086 }
e67b55fb 3087 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 3088 if (data->rx_probe_req.sa == NULL ||
3089 data->rx_probe_req.ie == NULL)
3090 break;
e67b55fb
JM		 3091#ifdef CONFIG_AP
3092 if (wpa_s->ap_iface) {
3093 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
3094 data->rx_probe_req.sa,
04a85e44
JM		 3095 data->rx_probe_req.da,
3096 data->rx_probe_req.bssid,
e67b55fb 3097 data->rx_probe_req.ie,
baf513d6
JB		 3098 data->rx_probe_req.ie_len,
3099 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 3100 break;
3101 }
3102#endif /* CONFIG_AP */
3103#ifdef CONFIG_P2P
3104 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 3105 data->rx_probe_req.da,
3106 data->rx_probe_req.bssid,
e67b55fb 3107 data->rx_probe_req.ie,
baf513d6
JB		 3108 data->rx_probe_req.ie_len,
3109 data->rx_probe_req.ssi_signal);
9bae1be0 3110#endif /* CONFIG_P2P */
036f7c4a 3111 break;
9bae1be0 3112 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 3113#ifdef CONFIG_OFFCHANNEL
3114 offchannel_remain_on_channel_cb(
3115 wpa_s, data->remain_on_channel.freq,
3116 data->remain_on_channel.duration);
3117#endif /* CONFIG_OFFCHANNEL */
3118#ifdef CONFIG_P2P
9bae1be0
JM		 3119 wpas_p2p_remain_on_channel_cb(
3120 wpa_s, data->remain_on_channel.freq,
3121 data->remain_on_channel.duration);
24f6497c 3122#endif /* CONFIG_P2P */
9bae1be0
JM		 3123 break;
3124 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 3125#ifdef CONFIG_OFFCHANNEL
3126 offchannel_cancel_remain_on_channel_cb(
3127 wpa_s, data->remain_on_channel.freq);
3128#endif /* CONFIG_OFFCHANNEL */
3129#ifdef CONFIG_P2P
9bae1be0
JM		 3130 wpas_p2p_cancel_remain_on_channel_cb(
3131 wpa_s, data->remain_on_channel.freq);
24f6497c 3132#endif /* CONFIG_P2P */
9bae1be0 3133 break;
a8e0505b
JM		 3134 case EVENT_EAPOL_RX:
3135 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
3136 data->eapol_rx.data,
3137 data->eapol_rx.data_len);
3138 break;
e2f74005
JM		 3139 case EVENT_SIGNAL_CHANGE:
3140 bgscan_notify_signal_change(
60a972a6 3141 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 3142 data->signal_change.current_signal,
3143 data->signal_change.current_noise,
3144 data->signal_change.current_txrate);
e2f74005 3145 break;
8401a6b0 3146 case EVENT_INTERFACE_ENABLED:
f049052b 3147 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 3148 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 3149 wpa_supplicant_update_mac_addr(wpa_s);
199716ad 3150#ifdef CONFIG_AP
9919f7a2
JB		 3151 if (!wpa_s->ap_iface) {
3152 wpa_supplicant_set_state(wpa_s,
3153 WPA_DISCONNECTED);
3154 wpa_supplicant_req_scan(wpa_s, 0, 0);
3155 } else
3156 wpa_supplicant_set_state(wpa_s,
3157 WPA_COMPLETED);
199716ad
BG		 3158#else /* CONFIG_AP */
3159 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
3160 wpa_supplicant_req_scan(wpa_s, 0, 0);
3161#endif /* CONFIG_AP */
8401a6b0
JM		 3162 }
3163 break;
3164 case EVENT_INTERFACE_DISABLED:
f049052b 3165 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
6f72577f
IP		 3166#ifdef CONFIG_P2P
3167 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
3168 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
3169 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
3170 /*
3171 * The interface was externally disabled. Remove
3172 * it assuming an external entity will start a
3173 * new session if needed.
3174 */
3175 wpas_p2p_disconnect(wpa_s);
3176 break;
3177 }
3178#endif /* CONFIG_P2P */
3179
8401a6b0
JM		 3180 wpa_supplicant_mark_disassoc(wpa_s);
3181 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3182 break;
b5c9da8d 3183 case EVENT_CHANNEL_LIST_CHANGED:
731ca636 3184 wpa_supplicant_update_channel_list(wpa_s);
c973f386
JM		 3185 break;
3186 case EVENT_INTERFACE_UNAVAILABLE:
3187#ifdef CONFIG_P2P
3188 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 3189#endif /* CONFIG_P2P */
3190 break;
3191 case EVENT_BEST_CHANNEL:
f049052b
BG		 3192 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
3193 "(%d %d %d)",
3194 data->best_chan.freq_24, data->best_chan.freq_5,
3195 data->best_chan.freq_overall);
7cfc4ac3
AGS		 3196 wpa_s->best_24_freq = data->best_chan.freq_24;
3197 wpa_s->best_5_freq = data->best_chan.freq_5;
3198 wpa_s->best_overall_freq = data->best_chan.freq_overall;
3199#ifdef CONFIG_P2P
3200 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
3201 data->best_chan.freq_5,
3202 data->best_chan.freq_overall);
b5c9da8d
JM		 3203#endif /* CONFIG_P2P */
3204 break;
7d878ca7
JM		 3205 case EVENT_UNPROT_DEAUTH:
3206 wpa_supplicant_event_unprot_deauth(wpa_s,
3207 &data->unprot_deauth);
3208 break;
3209 case EVENT_UNPROT_DISASSOC:
3210 wpa_supplicant_event_unprot_disassoc(wpa_s,
3211 &data->unprot_disassoc);
3212 break;
0d7e5a3a
JB		 3213 case EVENT_STATION_LOW_ACK:
3214#ifdef CONFIG_AP
3215 if (wpa_s->ap_iface && data)
3216 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
3217 data->low_ack.addr);
3218#endif /* CONFIG_AP */
8f15f711
AN		 3219#ifdef CONFIG_TDLS
3220 if (data)
3221 wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr);
3222#endif /* CONFIG_TDLS */
0d7e5a3a 3223 break;
ea244d21
XC		 3224 case EVENT_IBSS_PEER_LOST:
3225#ifdef CONFIG_IBSS_RSN
3226 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
3227#endif /* CONFIG_IBSS_RSN */
3228 break;
b14a210c
JB		 3229 case EVENT_DRIVER_GTK_REKEY:
3230 if (os_memcmp(data->driver_gtk_rekey.bssid,
3231 wpa_s->bssid, ETH_ALEN))
3232 break;
3233 if (!wpa_s->wpa)
3234 break;
3235 wpa_sm_update_replay_ctr(wpa_s->wpa,
3236 data->driver_gtk_rekey.replay_ctr);
3237 break;
cbdf3507
LC		 3238 case EVENT_SCHED_SCAN_STOPPED:
3239 wpa_s->sched_scanning = 0;
3240 wpa_supplicant_notify_scanning(wpa_s, 0);
3241
9b6f44cb
JM		 3242 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3243 break;
3244
cbdf3507
LC		 3245 /*
3246 * If we timed out, start a new sched scan to continue
3247 * searching for more SSIDs.
3248 */
3249 if (wpa_s->sched_scan_timed_out)
3250 wpa_supplicant_req_sched_scan(wpa_s);
3251 break;
783fcb7d
GG		 3252 case EVENT_WPS_BUTTON_PUSHED:
3253#ifdef CONFIG_WPS
3254 wpas_wps_start_pbc(wpa_s, NULL, 0);
3255#endif /* CONFIG_WPS */
3256 break;
3140803b
RM		 3257 case EVENT_CONNECT_FAILED_REASON:
3258#ifdef CONFIG_AP
3259 if (!wpa_s->ap_iface || !data)
3260 break;
3261 hostapd_event_connect_failed_reason(
3262 wpa_s->ap_iface->bss[0],
3263 data->connect_failed_reason.addr,
3264 data->connect_failed_reason.code);
3265#endif /* CONFIG_AP */
3266 break;
6fc6879b 3267 default:
f049052b 3268 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 3269 break;
3270 }
3271}
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