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Remove unused shared_freq driver op
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
98cd3d1c 3 * Copyright (c) 2003-2015, 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"
8319e312 45#include "mesh.h"
5f92659d 46#include "mesh_mpm.h"
a0413b17 47#include "wmm_ac.h"
6fc6879b
JM		 48
49
5d5c4ee5 50#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d 51static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 52 int new_scan, int own_request);
5d5c4ee5 53#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 54
55
00e5e3d5
JM		 56static int wpas_temp_disabled(struct wpa_supplicant *wpa_s,
57 struct wpa_ssid *ssid)
58{
4e1eae1d 59 struct os_reltime now;
00e5e3d5
JM		 60
61 if (ssid == NULL || ssid->disabled_until.sec == 0)
62 return 0;
63
4e1eae1d 64 os_get_reltime(&now);
00e5e3d5
JM		 65 if (ssid->disabled_until.sec > now.sec)
66 return ssid->disabled_until.sec - now.sec;
67
68 wpas_clear_temp_disabled(wpa_s, ssid, 0);
69
70 return 0;
71}
72
73
5cd47405
JM		 74static struct wpa_bss * wpa_supplicant_get_new_bss(
75 struct wpa_supplicant *wpa_s, const u8 *bssid)
76{
77 struct wpa_bss *bss = NULL;
78 struct wpa_ssid *ssid = wpa_s->current_ssid;
79
80 if (ssid->ssid_len > 0)
81 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
82 if (!bss)
83 bss = wpa_bss_get_bssid(wpa_s, bssid);
84
85 return bss;
86}
87
88
068e3877
JM		 89static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
90{
91 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
92
93 if (!bss) {
94 wpa_supplicant_update_scan_results(wpa_s);
95
96 /* Get the BSS from the new scan results */
97 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
98 }
99
100 if (bss)
101 wpa_s->current_bss = bss;
102}
103
104
6fc6879b
JM		 105static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
106{
8bac466b 107 struct wpa_ssid *ssid, *old_ssid;
00e5e3d5 108 int res;
6fc6879b 109
068e3877
JM		 110 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
111 wpa_supplicant_update_current_bss(wpa_s);
6fc6879b 112 return 0;
068e3877 113 }
6fc6879b 114
f049052b
BG		 115 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
116 "information");
6fc6879b
JM		 117 ssid = wpa_supplicant_get_ssid(wpa_s);
118 if (ssid == NULL) {
f049052b
BG		 119 wpa_msg(wpa_s, MSG_INFO,
120 "No network configuration found for the current AP");
6fc6879b
JM		 121 return -1;
122 }
123
349493bd 124 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 125 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 126 return -1;
127 }
128
6407f413
JM		 129 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
130 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
131 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
132 return -1;
133 }
134
00e5e3d5
JM		 135 res = wpas_temp_disabled(wpa_s, ssid);
136 if (res > 0) {
137 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
138 "disabled for %d second(s)", res);
139 return -1;
140 }
141
f049052b
BG		 142 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
143 "current AP");
0bf927a0 144 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 145 u8 wpa_ie[80];
146 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 147 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
148 wpa_ie, &wpa_ie_len) < 0)
149 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 150 } else {
151 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
152 }
153
154 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
155 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 156 old_ssid = wpa_s->current_ssid;
6fc6879b 157 wpa_s->current_ssid = ssid;
5cd47405 158
068e3877 159 wpa_supplicant_update_current_bss(wpa_s);
5cd47405 160
6fc6879b
JM		 161 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
162 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 163 if (old_ssid != wpa_s->current_ssid)
164 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 165
166 return 0;
167}
168
169
01a17491 170void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 171{
172 struct wpa_supplicant *wpa_s = eloop_ctx;
173
174 if (wpa_s->countermeasures) {
175 wpa_s->countermeasures = 0;
176 wpa_drv_set_countermeasures(wpa_s, 0);
177 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
f1609f11
IP		 178
179 /*
180 * It is possible that the device is sched scanning, which means
181 * that a connection attempt will be done only when we receive
182 * scan results. However, in this case, it would be preferable
183 * to scan and connect immediately, so cancel the sched_scan and
184 * issue a regular scan flow.
185 */
186 wpa_supplicant_cancel_sched_scan(wpa_s);
6fc6879b
JM		 187 wpa_supplicant_req_scan(wpa_s, 0, 0);
188 }
189}
190
191
192void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
193{
8bac466b
JM		 194 int bssid_changed;
195
b6668734
JM		 196 wnm_bss_keep_alive_deinit(wpa_s);
197
78177a00
JM		 198#ifdef CONFIG_IBSS_RSN
199 ibss_rsn_deinit(wpa_s->ibss_rsn);
200 wpa_s->ibss_rsn = NULL;
201#endif /* CONFIG_IBSS_RSN */
202
ca62e114
JM		 203#ifdef CONFIG_AP
204 wpa_supplicant_ap_deinit(wpa_s);
205#endif /* CONFIG_AP */
206
8401a6b0
JM		 207 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
208 return;
209
6fc6879b 210 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 211 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 212 os_memset(wpa_s->bssid, 0, ETH_ALEN);
213 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
4e70bbf1 214 sme_clear_on_disassoc(wpa_s);
b1aebbc4
JM		 215#ifdef CONFIG_P2P
216 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
217#endif /* CONFIG_P2P */
be8be671 218 wpa_s->current_bss = NULL;
3c85f144 219 wpa_s->assoc_freq = 0;
8fd0f0f3 220
8bac466b
JM		 221 if (bssid_changed)
222 wpas_notify_bssid_changed(wpa_s);
223
6fc6879b
JM		 224 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
225 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
56586197 226 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
6fc6879b
JM		 227 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
228 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24 229 wpa_s->current_ssid = NULL;
25a8f9e3 230 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
0d30cc24 231 wpa_s->key_mgmt = 0;
b361d580
AK		 232
233 wpas_rrm_reset(wpa_s);
6fc6879b
JM		 234}
235
236
237static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
238{
239 struct wpa_ie_data ie;
240 int pmksa_set = -1;
241 size_t i;
242
243 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
244 ie.pmkid == NULL)
245 return;
246
247 for (i = 0; i < ie.num_pmkid; i++) {
248 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
249 ie.pmkid + i * PMKID_LEN,
250 NULL, NULL, 0);
251 if (pmksa_set == 0) {
ba422613 252 eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
6fc6879b
JM		 253 break;
254 }
255 }
256
f049052b
BG		 257 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
258 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 259}
260
261
262static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
263 union wpa_event_data *data)
264{
265 if (data == NULL) {
f049052b
BG		 266 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
267 "event");
6fc6879b
JM		 268 return;
269 }
f049052b
BG		 270 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
271 " index=%d preauth=%d",
272 MAC2STR(data->pmkid_candidate.bssid),
273 data->pmkid_candidate.index,
274 data->pmkid_candidate.preauth);
6fc6879b
JM		 275
276 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
277 data->pmkid_candidate.index,
278 data->pmkid_candidate.preauth);
279}
280
281
282static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
283{
284 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
285 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
286 return 0;
287
288#ifdef IEEE8021X_EAPOL
289 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
290 wpa_s->current_ssid &&
291 !(wpa_s->current_ssid->eapol_flags &
292 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
293 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
294 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
295 * plaintext or static WEP keys). */
296 return 0;
297 }
298#endif /* IEEE8021X_EAPOL */
299
300 return 1;
301}
302
303
304/**
305 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
306 * @wpa_s: pointer to wpa_supplicant data
307 * @ssid: Configuration data for the network
308 * Returns: 0 on success, -1 on failure
309 *
310 * This function is called when starting authentication with a network that is
311 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
312 */
313int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
314 struct wpa_ssid *ssid)
315{
316#ifdef IEEE8021X_EAPOL
b832d34c 317#ifdef PCSC_FUNCS
eb324600 318 int aka = 0, sim = 0;
6fc6879b 319
62f736dd
JT		 320 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
321 wpa_s->scard != NULL || wpa_s->conf->external_sim)
6fc6879b
JM		 322 return 0;
323
62f736dd 324 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
6fc6879b
JM		 325 sim = 1;
326 aka = 1;
327 } else {
328 struct eap_method_type *eap = ssid->eap.eap_methods;
329 while (eap->vendor != EAP_VENDOR_IETF ||
330 eap->method != EAP_TYPE_NONE) {
331 if (eap->vendor == EAP_VENDOR_IETF) {
332 if (eap->method == EAP_TYPE_SIM)
333 sim = 1;
3d332fe7
JM		 334 else if (eap->method == EAP_TYPE_AKA ||
335 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 336 aka = 1;
337 }
338 eap++;
339 }
340 }
341
342 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
343 sim = 0;
3d332fe7
JM		 344 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
345 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
346 NULL)
6fc6879b
JM		 347 aka = 0;
348
349 if (!sim && !aka) {
f049052b
BG		 350 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
351 "use SIM, but neither EAP-SIM nor EAP-AKA are "
352 "enabled");
6fc6879b
JM		 353 return 0;
354 }
355
f049052b
BG		 356 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
357 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
eb324600 358
5a620604 359 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
6fc6879b 360 if (wpa_s->scard == NULL) {
f049052b
BG		 361 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
362 "(pcsc-lite)");
6fc6879b
JM		 363 return -1;
364 }
365 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
366 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 367#endif /* PCSC_FUNCS */
6fc6879b
JM		 368#endif /* IEEE8021X_EAPOL */
369
370 return 0;
371}
372
373
374#ifndef CONFIG_NO_SCAN_PROCESSING
86bd1410
JM		 375
376static int has_wep_key(struct wpa_ssid *ssid)
377{
378 int i;
379
380 for (i = 0; i < NUM_WEP_KEYS; i++) {
381 if (ssid->wep_key_len[i])
382 return 1;
383 }
384
385 return 0;
386}
387
388
620c7837 389static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 390 struct wpa_ssid *ssid)
391{
86bd1410 392 int privacy = 0;
6fc6879b
JM		 393
394 if (ssid->mixed_cell)
395 return 1;
396
0632542b
AT		 397#ifdef CONFIG_WPS
398 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
399 return 1;
400#endif /* CONFIG_WPS */
401
86bd1410
JM		 402 if (has_wep_key(ssid))
403 privacy = 1;
404
6fc6879b
JM		 405#ifdef IEEE8021X_EAPOL
406 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
407 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
408 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
409 privacy = 1;
410#endif /* IEEE8021X_EAPOL */
411
29fbc522
JM		 412 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
413 privacy = 1;
414
df0f01d9
JM		 415 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
416 privacy = 1;
417
6fc6879b
JM		 418 if (bss->caps & IEEE80211_CAP_PRIVACY)
419 return privacy;
420 return !privacy;
421}
422
423
a6099152
JM		 424static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
425 struct wpa_ssid *ssid,
620c7837 426 struct wpa_bss *bss)
6fc6879b
JM		 427{
428 struct wpa_ie_data ie;
429 int proto_match = 0;
430 const u8 *rsn_ie, *wpa_ie;
351f09a2 431 int ret;
43882f1e 432 int wep_ok;
6fc6879b 433
a6099152 434 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 435 if (ret >= 0)
436 return ret;
ad08c363 437
43882f1e
JM		 438 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
439 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
440 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
441 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
442 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
443
620c7837 444 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6fc6879b
JM		 445 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
446 proto_match++;
447
448 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
f049052b
BG		 449 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
450 "failed");
6fc6879b
JM		 451 break;
452 }
43882f1e
JM		 453
454 if (wep_ok &&
455 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
456 {
f049052b
BG		 457 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
458 "in RSN IE");
43882f1e
JM		 459 return 1;
460 }
461
6fc6879b 462 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 463 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
464 "mismatch");
6fc6879b
JM		 465 break;
466 }
467
468 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 469 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
470 "cipher mismatch");
6fc6879b
JM		 471 break;
472 }
473
474 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 475 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
476 "cipher mismatch");
6fc6879b
JM		 477 break;
478 }
479
480 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 481 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
482 "mismatch");
6fc6879b
JM		 483 break;
484 }
485
486#ifdef CONFIG_IEEE80211W
0b60b0aa 487 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
3f56a2b7 488 wpas_get_ssid_pmf(wpa_s, ssid) ==
62d49803 489 MGMT_FRAME_PROTECTION_REQUIRED) {
f049052b
BG		 490 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
491 "frame protection");
6fc6879b
JM		 492 break;
493 }
494#endif /* CONFIG_IEEE80211W */
495
f049052b 496 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
6fc6879b
JM		 497 return 1;
498 }
499
620c7837 500 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 501 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
502 proto_match++;
503
504 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
f049052b
BG		 505 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
506 "failed");
6fc6879b
JM		 507 break;
508 }
43882f1e
JM		 509
510 if (wep_ok &&
511 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
512 {
f049052b
BG		 513 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
514 "in WPA IE");
43882f1e
JM		 515 return 1;
516 }
517
6fc6879b 518 if (!(ie.proto & ssid->proto)) {
f049052b
BG		 519 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
520 "mismatch");
6fc6879b
JM		 521 break;
522 }
523
524 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
f049052b
BG		 525 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
526 "cipher mismatch");
6fc6879b
JM		 527 break;
528 }
529
530 if (!(ie.group_cipher & ssid->group_cipher)) {
f049052b
BG		 531 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
532 "cipher mismatch");
6fc6879b
JM		 533 break;
534 }
535
536 if (!(ie.key_mgmt & ssid->key_mgmt)) {
f049052b
BG		 537 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
538 "mismatch");
6fc6879b
JM		 539 break;
540 }
541
f049052b 542 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
6fc6879b
JM		 543 return 1;
544 }
545
a3f7e518
JM		 546 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
547 !rsn_ie) {
548 wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
549 return 1;
550 }
551
cc5e390d 552 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 553 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
f049052b 554 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
cc5e390d
JM		 555 return 0;
556 }
6fc6879b 557
df0f01d9
JM		 558 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
559 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
560 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
561 return 1;
562 }
563
c2f1fe41
JM		 564 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
565 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
566 return 1;
567 }
568
569 wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
570 "WPA/WPA2");
571
572 return 0;
6fc6879b
JM		 573}
574
575
b766a9a2
JM		 576static int freq_allowed(int *freqs, int freq)
577{
578 int i;
579
580 if (freqs == NULL)
581 return 1;
582
583 for (i = 0; freqs[i]; i++)
584 if (freqs[i] == freq)
585 return 1;
586 return 0;
587}
588
589
620c7837 590static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
e1e8cae3
CL		 591{
592 const struct hostapd_hw_modes *mode = NULL, *modes;
593 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
594 const u8 *rate_ie;
595 int i, j, k;
596
a6d94e1b
JM		 597 if (bss->freq == 0)
598 return 1; /* Cannot do matching without knowing band */
599
e1e8cae3
CL		 600 modes = wpa_s->hw.modes;
601 if (modes == NULL) {
602 /*
603 * The driver does not provide any additional information
604 * about the utilized hardware, so allow the connection attempt
605 * to continue.
606 */
607 return 1;
608 }
609
610 for (i = 0; i < wpa_s->hw.num_modes; i++) {
611 for (j = 0; j < modes[i].num_channels; j++) {
612 int freq = modes[i].channels[j].freq;
613 if (freq == bss->freq) {
614 if (mode &&
615 mode->mode == HOSTAPD_MODE_IEEE80211G)
616 break; /* do not allow 802.11b replace
617 * 802.11g */
618 mode = &modes[i];
619 break;
620 }
621 }
622 }
623
624 if (mode == NULL)
625 return 0;
626
627 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 628 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 629 if (rate_ie == NULL)
630 continue;
631
632 for (j = 2; j < rate_ie[1] + 2; j++) {
633 int flagged = !!(rate_ie[j] & 0x80);
634 int r = (rate_ie[j] & 0x7f) * 5;
635
636 /*
637 * IEEE Std 802.11n-2009 7.3.2.2:
638 * The new BSS Membership selector value is encoded
639 * like a legacy basic rate, but it is not a rate and
640 * only indicates if the BSS members are required to
641 * support the mandatory features of Clause 20 [HT PHY]
642 * in order to join the BSS.
643 */
644 if (flagged && ((rate_ie[j] & 0x7f) ==
645 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
646 if (!ht_supported(mode)) {
647 wpa_dbg(wpa_s, MSG_DEBUG,
648 " hardware does not support "
649 "HT PHY");
650 return 0;
651 }
652 continue;
653 }
654
c8ebeda4
MK		 655 /* There's also a VHT selector for 802.11ac */
656 if (flagged && ((rate_ie[j] & 0x7f) ==
657 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
658 if (!vht_supported(mode)) {
659 wpa_dbg(wpa_s, MSG_DEBUG,
660 " hardware does not support "
661 "VHT PHY");
662 return 0;
663 }
664 continue;
665 }
666
e1e8cae3
CL		 667 if (!flagged)
668 continue;
669
670 /* check for legacy basic rates */
671 for (k = 0; k < mode->num_rates; k++) {
672 if (mode->rates[k] == r)
673 break;
674 }
675 if (k == mode->num_rates) {
676 /*
677 * IEEE Std 802.11-2007 7.3.2.2 demands that in
678 * order to join a BSS all required rates
679 * have to be supported by the hardware.
680 */
1d246a1d
JM		 681 wpa_dbg(wpa_s, MSG_DEBUG,
682 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
683 r / 10, r % 10,
684 bss->freq, mode->mode, mode->num_rates);
e1e8cae3
CL		 685 return 0;
686 }
687 }
688 }
689
690 return 1;
691}
692
693
ff3ad3c5
VK		 694/*
695 * Test whether BSS is in an ESS.
696 * This is done differently in DMG (60 GHz) and non-DMG bands
697 */
698static int bss_is_ess(struct wpa_bss *bss)
699{
700 if (bss_is_dmg(bss)) {
701 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
702 IEEE80211_CAP_DMG_AP;
703 }
704
705 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
706 IEEE80211_CAP_ESS);
707}
708
709
79cd993a
ST		 710static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
711{
712 size_t i;
713
714 for (i = 0; i < ETH_ALEN; i++) {
715 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
716 return 0;
717 }
718 return 1;
719}
720
721
b83e4554
ST		 722static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
723{
724 size_t i;
725
726 for (i = 0; i < num; i++) {
79cd993a
ST		 727 const u8 *a = list + i * ETH_ALEN * 2;
728 const u8 *m = a + ETH_ALEN;
b83e4554 729
79cd993a 730 if (match_mac_mask(a, addr, m))
b83e4554
ST		 731 return 1;
732 }
733 return 0;
734}
735
736
d8d940b7 737static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
620c7837 738 int i, struct wpa_bss *bss,
3d910ef4
JM		 739 struct wpa_ssid *group,
740 int only_first_ssid)
6fc6879b 741{
620c7837 742 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 743 int wpa;
6fc6879b
JM		 744 struct wpa_blacklist *e;
745 const u8 *ie;
d8d940b7 746 struct wpa_ssid *ssid;
df0f01d9 747 int osen;
6fc6879b 748
620c7837 749 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 750 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 751
620c7837 752 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 753 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 754
df0f01d9
JM		 755 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
756 osen = ie != NULL;
757
f049052b 758 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
df0f01d9 759 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s%s%s",
620c7837 760 i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
f049052b 761 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
b16696ff
JM		 762 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "",
763 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
764 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) ?
df0f01d9
JM		 765 " p2p" : "",
766 osen ? " osen=1" : "");
9cf32261 767
d8d940b7 768 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 769 if (e) {
770 int limit = 1;
349493bd 771 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 772 /*
773 * When only a single network is enabled, we can
774 * trigger blacklisting on the first failure. This
775 * should not be done with multiple enabled networks to
776 * avoid getting forced to move into a worse ESS on
777 * single error if there are no other BSSes of the
778 * current ESS.
779 */
780 limit = 0;
781 }
782 if (e->count > limit) {
f049052b
BG		 783 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
784 "(count=%d limit=%d)", e->count, limit);
c2197bc9 785 return NULL;
5471c343 786 }
d8d940b7 787 }
6fc6879b 788
620c7837 789 if (bss->ssid_len == 0) {
f049052b 790 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 791 return NULL;
d8d940b7 792 }
e81634cd 793
6407f413
JM		 794 if (disallowed_bssid(wpa_s, bss->bssid)) {
795 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
796 return NULL;
797 }
798
799 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
800 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
801 return NULL;
802 }
803
d8d940b7 804 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 805
3d910ef4 806 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
d8d940b7 807 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 808 int res;
ad08c363 809
349493bd 810 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 811 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 812 continue;
d8d940b7 813 }
9cf32261 814
00e5e3d5
JM		 815 res = wpas_temp_disabled(wpa_s, ssid);
816 if (res > 0) {
817 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
818 "temporarily for %d second(s)", res);
819 continue;
820 }
821
ad08c363 822#ifdef CONFIG_WPS
f648bc7d 823 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
f049052b
BG		 824 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
825 "(WPS)");
f648bc7d
JM		 826 continue;
827 }
828
d8d940b7
JM		 829 if (wpa && ssid->ssid_len == 0 &&
830 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
831 check_ssid = 0;
832
833 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
834 /* Only allow wildcard SSID match if an AP
835 * advertises active WPS operation that matches
836 * with our mode. */
837 check_ssid = 1;
ad08c363 838 if (ssid->ssid_len == 0 &&
a6099152 839 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 840 check_ssid = 0;
d8d940b7 841 }
ad08c363
JM		 842#endif /* CONFIG_WPS */
843
7d232e23
ZC		 844 if (ssid->bssid_set && ssid->ssid_len == 0 &&
845 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
846 check_ssid = 0;
847
d8d940b7 848 if (check_ssid &&
620c7837
JM		 849 (bss->ssid_len != ssid->ssid_len ||
850 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
f049052b 851 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
0c703df3 852 continue;
6fc6879b 853 }
6fc6879b 854
d8d940b7
JM		 855 if (ssid->bssid_set &&
856 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
f049052b 857 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
0c703df3 858 continue;
d8d940b7 859 }
6fc6879b 860
b83e4554
ST		 861 /* check blacklist */
862 if (ssid->num_bssid_blacklist &&
863 addr_in_list(bss->bssid, ssid->bssid_blacklist,
864 ssid->num_bssid_blacklist)) {
865 wpa_dbg(wpa_s, MSG_DEBUG,
866 " skip - BSSID blacklisted");
867 continue;
868 }
869
870 /* if there is a whitelist, only accept those APs */
871 if (ssid->num_bssid_whitelist &&
872 !addr_in_list(bss->bssid, ssid->bssid_whitelist,
873 ssid->num_bssid_whitelist)) {
874 wpa_dbg(wpa_s, MSG_DEBUG,
875 " skip - BSSID not in whitelist");
876 continue;
877 }
878
cc5e390d 879 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
0c703df3 880 continue;
9cf32261 881
df0f01d9 882 if (!osen && !wpa &&
d8d940b7
JM		 883 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
884 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
885 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
f049052b
BG		 886 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
887 "not allowed");
0c703df3 888 continue;
6fc6879b 889 }
9cf32261 890
86bd1410
JM		 891 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
892 has_wep_key(ssid)) {
893 wpa_dbg(wpa_s, MSG_DEBUG, " skip - ignore WPA/WPA2 AP for WEP network block");
894 continue;
895 }
896
df0f01d9
JM		 897 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen) {
898 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-OSEN network "
899 "not allowed");
900 continue;
901 }
902
29fbc522 903 if (!wpa_supplicant_match_privacy(bss, ssid)) {
f049052b
BG		 904 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
905 "mismatch");
0c703df3 906 continue;
e81634cd
JM		 907 }
908
ff3ad3c5
VK		 909 if (!bss_is_ess(bss)) {
910 wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
0c703df3 911 continue;
d8d940b7 912 }
b766a9a2 913
d8d940b7 914 if (!freq_allowed(ssid->freq_list, bss->freq)) {
f049052b
BG		 915 wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
916 "allowed");
0c703df3 917 continue;
6fc6879b 918 }
d8d940b7 919
e1e8cae3
CL		 920 if (!rate_match(wpa_s, bss)) {
921 wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
922 "not match");
923 continue;
924 }
925
73e49269 926#ifdef CONFIG_P2P
b72e14e5
JM		 927 if (ssid->p2p_group &&
928 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
929 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
930 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen");
931 continue;
932 }
933
9ec87666
JM		 934 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
935 struct wpabuf *p2p_ie;
936 u8 dev_addr[ETH_ALEN];
937
938 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
939 if (ie == NULL) {
940 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P element");
941 continue;
942 }
943 p2p_ie = wpa_bss_get_vendor_ie_multi(
944 bss, P2P_IE_VENDOR_TYPE);
945 if (p2p_ie == NULL) {
946 wpa_dbg(wpa_s, MSG_DEBUG, " skip - could not fetch P2P element");
947 continue;
948 }
949
950 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
951 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
952 ETH_ALEN) != 0) {
953 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no matching GO P2P Device Address in P2P element");
954 wpabuf_free(p2p_ie);
955 continue;
956 }
957 wpabuf_free(p2p_ie);
958 }
959
73e49269
JM		 960 /*
961 * TODO: skip the AP if its P2P IE has Group Formation
962 * bit set in the P2P Group Capability Bitmap and we
963 * are not in Group Formation with that device.
964 */
965#endif /* CONFIG_P2P */
966
d8d940b7
JM		 967 /* Matching configuration found */
968 return ssid;
6fc6879b
JM		 969 }
970
d8d940b7 971 /* No matching configuration found */
c2197bc9 972 return NULL;
9cf32261
JM		 973}
974
975
6fa81a3b 976static struct wpa_bss *
a1fd2ce5 977wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 978 struct wpa_ssid *group,
3d910ef4
JM		 979 struct wpa_ssid **selected_ssid,
980 int only_first_ssid)
9cf32261 981{
620c7837 982 unsigned int i;
9cf32261 983
3d910ef4
JM		 984 if (only_first_ssid)
985 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
986 group->id);
987 else
988 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
989 group->priority);
9cf32261 990
620c7837
JM		 991 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
992 struct wpa_bss *bss = wpa_s->last_scan_res[i];
3d910ef4
JM		 993 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
994 only_first_ssid);
d8d940b7
JM		 995 if (!*selected_ssid)
996 continue;
f049052b
BG		 997 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
998 " ssid='%s'",
620c7837
JM		 999 MAC2STR(bss->bssid),
1000 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1001 return bss;
d8d940b7
JM		 1002 }
1003
1004 return NULL;
6fc6879b
JM		 1005}
1006
1007
97236cee
MH		 1008struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1009 struct wpa_ssid **selected_ssid)
6fc6879b 1010{
6fa81a3b 1011 struct wpa_bss *selected = NULL;
09b9df4e 1012 int prio;
7c373ac2 1013 struct wpa_ssid *next_ssid = NULL;
09b9df4e 1014
620c7837
JM		 1015 if (wpa_s->last_scan_res == NULL ||
1016 wpa_s->last_scan_res_used == 0)
1017 return NULL; /* no scan results from last update */
1018
7c373ac2
JM		 1019 if (wpa_s->next_ssid) {
1020 struct wpa_ssid *ssid;
3d910ef4 1021
7c373ac2
JM		 1022 /* check that next_ssid is still valid */
1023 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1024 if (ssid == wpa_s->next_ssid)
1025 break;
1026 }
1027 next_ssid = ssid;
1028 wpa_s->next_ssid = NULL;
1029 }
3d910ef4 1030
7c373ac2
JM		 1031 while (selected == NULL) {
1032 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1033 if (next_ssid && next_ssid->priority ==
1034 wpa_s->conf->pssid[prio]->priority) {
3d910ef4 1035 selected = wpa_supplicant_select_bss(
7c373ac2 1036 wpa_s, next_ssid, selected_ssid, 1);
3d910ef4
JM		 1037 if (selected)
1038 break;
1039 }
09b9df4e 1040 selected = wpa_supplicant_select_bss(
620c7837 1041 wpa_s, wpa_s->conf->pssid[prio],
3d910ef4 1042 selected_ssid, 0);
09b9df4e
JM		 1043 if (selected)
1044 break;
1045 }
1046
8945cc45
BM		 1047 if (selected == NULL && wpa_s->blacklist &&
1048 !wpa_s->countermeasures) {
f049052b
BG		 1049 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1050 "blacklist and try again");
09b9df4e
JM		 1051 wpa_blacklist_clear(wpa_s);
1052 wpa_s->blacklist_cleared++;
1053 } else if (selected == NULL)
1054 break;
1055 }
1056
1057 return selected;
1058}
1059
1060
1061static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 1062 int timeout_sec, int timeout_usec)
09b9df4e 1063{
349493bd 1064 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 1065 /*
1066 * No networks are enabled; short-circuit request so
1067 * we don't wait timeout seconds before transitioning
1068 * to INACTIVE state.
1069 */
ac06fb12
JM		 1070 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1071 "since there are no enabled networks");
4f34d51a
SL		 1072 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1073 return;
09b9df4e 1074 }
5cc70322
JM		 1075
1076 wpa_s->scan_for_connection = 1;
977b1174 1077 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 1078}
1079
1080
5cbd88d9
JJ		 1081int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1082 struct wpa_bss *selected,
1083 struct wpa_ssid *ssid)
09b9df4e
JM		 1084{
1085 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1086 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1087 "PBC session overlap");
b73bf0a7 1088#ifdef CONFIG_P2P
ace0fbdb
AS		 1089 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1090 wpa_s->p2p_in_provisioning) {
1091 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1092 wpa_s, NULL);
5cbd88d9 1093 return -1;
ace0fbdb 1094 }
b73bf0a7 1095#endif /* CONFIG_P2P */
199716ad
BG		 1096
1097#ifdef CONFIG_WPS
7736f18b 1098 wpas_wps_cancel(wpa_s);
199716ad 1099#endif /* CONFIG_WPS */
5cbd88d9 1100 return -1;
09b9df4e
JM		 1101 }
1102
b0680017
JM		 1103 wpa_msg(wpa_s, MSG_DEBUG,
1104 "Considering connect request: reassociate: %d selected: "
1105 MACSTR " bssid: " MACSTR " pending: " MACSTR
1106 " wpa_state: %s ssid=%p current_ssid=%p",
1107 wpa_s->reassociate, MAC2STR(selected->bssid),
1108 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1109 wpa_supplicant_state_txt(wpa_s->wpa_state),
1110 ssid, wpa_s->current_ssid);
1111
09b9df4e
JM		 1112 /*
1113 * Do not trigger new association unless the BSSID has changed or if
1114 * reassociation is requested. If we are in process of associating with
1115 * the selected BSSID, do not trigger new attempt.
1116 */
1117 if (wpa_s->reassociate ||
1118 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 1119 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1120 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 1121 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1122 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1123 0) ||
1124 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1125 ssid != wpa_s->current_ssid)))) {
09b9df4e 1126 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 1127 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 1128 return 0;
09b9df4e 1129 }
b0680017
JM		 1130 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1131 MAC2STR(selected->bssid));
09b9df4e
JM		 1132 wpa_supplicant_associate(wpa_s, selected, ssid);
1133 } else {
b0680017
JM		 1134 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1135 "connect with the selected AP");
09b9df4e 1136 }
5cbd88d9
JJ		 1137
1138 return 0;
09b9df4e
JM		 1139}
1140
1141
b55aaa5f
JM		 1142static struct wpa_ssid *
1143wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1144{
1145 int prio;
1146 struct wpa_ssid *ssid;
1147
1148 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1149 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1150 {
349493bd 1151 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f
JM		 1152 continue;
1153 if (ssid->mode == IEEE80211_MODE_IBSS ||
476e6bb6
TP		 1154 ssid->mode == IEEE80211_MODE_AP ||
1155 ssid->mode == IEEE80211_MODE_MESH)
b55aaa5f
JM		 1156 return ssid;
1157 }
1158 }
1159 return NULL;
1160}
1161
1162
a1fd2ce5
JM		 1163/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1164 * on BSS added and BSS changed events */
6ae93185 1165static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 1166 struct wpa_supplicant *wpa_s)
6ae93185 1167{
6d28fb96 1168 struct wpa_bss *bss;
6ae93185
JM		 1169
1170 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1171 return;
1172
6d28fb96 1173 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1174 const u8 *ssid, *rsn;
6ae93185 1175
6d28fb96 1176 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1177 if (ssid == NULL)
1178 continue;
1179
6d28fb96 1180 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1181 if (rsn == NULL)
1182 continue;
1183
6d28fb96 1184 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1185 }
1186
1187}
1188
1189
48563d86
JM		 1190static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1191 struct wpa_bss *selected,
20ed5e40 1192 struct wpa_ssid *ssid)
48563d86 1193{
20ed5e40 1194 struct wpa_bss *current_bss = NULL;
48563d86
JM		 1195 int min_diff;
1196
1197 if (wpa_s->reassociate)
1198 return 1; /* explicit request to reassociate */
1199 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1200 return 1; /* we are not associated; continue */
1201 if (wpa_s->current_ssid == NULL)
1202 return 1; /* unknown current SSID */
1203 if (wpa_s->current_ssid != ssid)
1204 return 1; /* different network block */
1205
22628eca
JM		 1206 if (wpas_driver_bss_selection(wpa_s))
1207 return 0; /* Driver-based roaming */
1208
20ed5e40
JM		 1209 if (wpa_s->current_ssid->ssid)
1210 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1211 wpa_s->current_ssid->ssid,
1212 wpa_s->current_ssid->ssid_len);
1213 if (!current_bss)
1214 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1215
1216 if (!current_bss)
1217 return 1; /* current BSS not seen in scan results */
1218
20ed5e40
JM		 1219 if (current_bss == selected)
1220 return 0;
1221
1222 if (selected->last_update_idx > current_bss->last_update_idx)
1223 return 1; /* current BSS not seen in the last scan */
1224
e9af53ad 1225#ifndef CONFIG_NO_ROAMING
f049052b 1226 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
0d2030ee
JM		 1227 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
1228 " level=%d snr=%d est_throughput=%u",
1229 MAC2STR(current_bss->bssid), current_bss->level,
1230 current_bss->snr, current_bss->est_throughput);
1231 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
1232 " level=%d snr=%d est_throughput=%u",
1233 MAC2STR(selected->bssid), selected->level,
1234 selected->snr, selected->est_throughput);
48563d86 1235
ac26ebd8
JM		 1236 if (wpa_s->current_ssid->bssid_set &&
1237 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1238 0) {
f049052b
BG		 1239 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1240 "has preferred BSSID");
ac26ebd8
JM		 1241 return 1;
1242 }
1243
0d2030ee
JM		 1244 if (selected->est_throughput > current_bss->est_throughput + 5000) {
1245 wpa_dbg(wpa_s, MSG_DEBUG,
1246 "Allow reassociation - selected BSS has better estimated throughput");
1247 return 1;
1248 }
1249
bff954e9
RS		 1250 if (current_bss->level < 0 && current_bss->level > selected->level) {
1251 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1252 "signal level");
1253 return 0;
1254 }
1255
48563d86
JM		 1256 min_diff = 2;
1257 if (current_bss->level < 0) {
1258 if (current_bss->level < -85)
1259 min_diff = 1;
1260 else if (current_bss->level < -80)
1261 min_diff = 2;
1262 else if (current_bss->level < -75)
1263 min_diff = 3;
1264 else if (current_bss->level < -70)
1265 min_diff = 4;
1266 else
1267 min_diff = 5;
1268 }
1269 if (abs(current_bss->level - selected->level) < min_diff) {
f049052b
BG		 1270 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1271 "in signal level");
48563d86
JM		 1272 return 0;
1273 }
1274
1275 return 1;
e9af53ad
DS		 1276#else /* CONFIG_NO_ROAMING */
1277 return 0;
1278#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1279}
1280
cd2f4ddf 1281
0dd54313 1282/* Return != 0 if no scan results could be fetched or if scan results should not
10ac7ddf 1283 * be shared with other virtual interfaces. */
e1504976 1284static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50
JM		 1285 union wpa_event_data *data,
1286 int own_request)
09b9df4e 1287{
d12a51b5
JM		 1288 struct wpa_scan_results *scan_res = NULL;
1289 int ret = 0;
5bc0cdb7 1290 int ap = 0;
7b1aa4fe
JM		 1291#ifndef CONFIG_NO_RANDOM_POOL
1292 size_t i, num;
1293#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1294
1295#ifdef CONFIG_AP
1296 if (wpa_s->ap_iface)
1297 ap = 1;
1298#endif /* CONFIG_AP */
6fc6879b 1299
cb8564b1
DW		 1300 wpa_supplicant_notify_scanning(wpa_s, 0);
1301
a1fd2ce5
JM		 1302 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1303 data ? &data->scan_info :
1304 NULL, 1);
1305 if (scan_res == NULL) {
66fe0f70
DS		 1306 if (wpa_s->conf->ap_scan == 2 || ap ||
1307 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1308 return -1;
cfd31b50
JM		 1309 if (!own_request)
1310 return -1;
f049052b
BG		 1311 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1312 "scanning again");
977b1174 1313 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
d12a51b5
JM		 1314 ret = -1;
1315 goto scan_work_done;
6fc6879b
JM		 1316 }
1317
bbb921da 1318#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1319 num = scan_res->num;
1320 if (num > 10)
1321 num = 10;
1322 for (i = 0; i < num; i++) {
1323 u8 buf[5];
1324 struct wpa_scan_res *res = scan_res->res[i];
1325 buf[0] = res->bssid[5];
1326 buf[1] = res->qual & 0xff;
1327 buf[2] = res->noise & 0xff;
1328 buf[3] = res->level & 0xff;
1329 buf[4] = res->tsf & 0xff;
1330 random_add_randomness(buf, sizeof(buf));
1331 }
1332#endif /* CONFIG_NO_RANDOM_POOL */
1333
06f9acce 1334 if (own_request && wpa_s->scan_res_handler &&
d90bfa97 1335 (wpa_s->own_scan_running || !wpa_s->radio->external_scan_running)) {
860fddbb
JB		 1336 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1337 struct wpa_scan_results *scan_res);
1338
1339 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1340 wpa_s->scan_res_handler = NULL;
860fddbb 1341 scan_res_handler(wpa_s, scan_res);
d12a51b5
JM		 1342 ret = -2;
1343 goto scan_work_done;
64e58f51
JM		 1344 }
1345
5bc0cdb7 1346 if (ap) {
f049052b 1347 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1348#ifdef CONFIG_AP
1349 if (wpa_s->ap_iface->scan_cb)
1350 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1351#endif /* CONFIG_AP */
d12a51b5 1352 goto scan_work_done;
5bc0cdb7
JM		 1353 }
1354
a5f40eff 1355 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
d90bfa97 1356 wpa_s->own_scan_running, wpa_s->radio->external_scan_running);
d81c73be
JM		 1357 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1358 wpa_s->manual_scan_use_id && wpa_s->own_scan_running) {
1359 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1360 wpa_s->manual_scan_id);
1361 wpa_s->manual_scan_use_id = 0;
1362 } else {
1363 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1364 }
24f76940 1365 wpas_notify_scan_results(wpa_s);
6fc6879b 1366
8bac466b
JM		 1367 wpas_notify_scan_done(wpa_s, 1);
1368
d90bfa97 1369 if (!wpa_s->own_scan_running && wpa_s->radio->external_scan_running) {
015af91f
JM		 1370 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1371 wpa_scan_results_free(scan_res);
1372 return 0;
1373 }
1374
75d65857 1375 if (wnm_scan_process(wpa_s, 1) > 0)
d0b9ab69
JM		 1376 goto scan_work_done;
1377
d12a51b5
JM		 1378 if (sme_proc_obss_scan(wpa_s) > 0)
1379 goto scan_work_done;
c3701c66 1380
d12a51b5
JM		 1381 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1382 goto scan_work_done;
6fc6879b 1383
d12a51b5
JM		 1384 if (autoscan_notify_scan(wpa_s, scan_res))
1385 goto scan_work_done;
7c865c68 1386
3180d7a2
SO		 1387 if (wpa_s->disconnected) {
1388 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
d12a51b5 1389 goto scan_work_done;
3180d7a2
SO		 1390 }
1391
22628eca 1392 if (!wpas_driver_bss_selection(wpa_s) &&
d12a51b5
JM		 1393 bgscan_notify_scan(wpa_s, scan_res) == 1)
1394 goto scan_work_done;
a1fd2ce5 1395
f9f0526b
JM		 1396 wpas_wps_update_ap_info(wpa_s, scan_res);
1397
20ed5e40
JM		 1398 wpa_scan_results_free(scan_res);
1399
d12a51b5
JM		 1400 if (wpa_s->scan_work) {
1401 struct wpa_radio_work *work = wpa_s->scan_work;
1402 wpa_s->scan_work = NULL;
1403 radio_work_done(work);
1404 }
1405
cc4952ad 1406 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
d12a51b5
JM		 1407
1408scan_work_done:
1409 wpa_scan_results_free(scan_res);
1410 if (wpa_s->scan_work) {
1411 struct wpa_radio_work *work = wpa_s->scan_work;
1412 wpa_s->scan_work = NULL;
1413 radio_work_done(work);
1414 }
1415 return ret;
a594e2a9
JM		 1416}
1417
1418
06b7f58d 1419static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 1420 int new_scan, int own_request)
a594e2a9
JM		 1421{
1422 struct wpa_bss *selected;
1423 struct wpa_ssid *ssid = NULL;
1424
44b9ea5b
JM		 1425 if (wpa_s->p2p_mgmt)
1426 return 0; /* no normal connection on p2p_mgmt interface */
1427
620c7837
JM		 1428 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1429
6fc6879b 1430 if (selected) {
48563d86 1431 int skip;
20ed5e40 1432 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1433 if (skip) {
06b7f58d
JM		 1434 if (new_scan)
1435 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1436 return 0;
1bbff09e 1437 }
5cbd88d9
JJ		 1438
1439 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1440 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1441 return -1;
1442 }
06b7f58d
JM		 1443 if (new_scan)
1444 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313
JM		 1445 /*
1446 * Do not notify other virtual radios of scan results since we do not
1447 * want them to start other associations at the same time.
1448 */
1449 return 1;
6fc6879b 1450 } else {
a3335ef5
TP		 1451#ifdef CONFIG_MESH
1452 if (wpa_s->ifmsh) {
1453 wpa_msg(wpa_s, MSG_INFO,
1454 "Avoiding join because we already joined a mesh group");
1455 return 0;
1456 }
1457#endif /* CONFIG_MESH */
f049052b 1458 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 1459 ssid = wpa_supplicant_pick_new_network(wpa_s);
1460 if (ssid) {
f049052b 1461 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 1462 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 1463 if (new_scan)
1464 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
cc4952ad
JJ		 1465 } else if (own_request) {
1466 /*
1467 * No SSID found. If SCAN results are as a result of
1468 * own scan request and not due to a scan request on
1469 * another shared interface, try another scan.
1470 */
67b9bd08 1471 int timeout_sec = wpa_s->scan_interval;
977b1174 1472 int timeout_usec = 0;
0817de90 1473#ifdef CONFIG_P2P
b0e669be
JM		 1474 int res;
1475
1476 res = wpas_p2p_scan_no_go_seen(wpa_s);
1477 if (res == 2)
1478 return 2;
1479 if (res == 1)
aa9bb764
JM		 1480 return 0;
1481
6fc48481 1482 if (wpa_s->p2p_in_provisioning ||
41d5ce9e
RR		 1483 wpa_s->show_group_started ||
1484 wpa_s->p2p_in_invitation) {
0817de90
JM		 1485 /*
1486 * Use shorter wait during P2P Provisioning
6fc48481
RR		 1487 * state and during P2P join-a-group operation
1488 * to speed up group formation.
0817de90
JM		 1489 */
1490 timeout_sec = 0;
1491 timeout_usec = 250000;
a4cba8f1
LC		 1492 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1493 timeout_usec);
1494 return 0;
0817de90
JM		 1495 }
1496#endif /* CONFIG_P2P */
4d5bda5f
JM		 1497#ifdef CONFIG_INTERWORKING
1498 if (wpa_s->conf->auto_interworking &&
1499 wpa_s->conf->interworking &&
1500 wpa_s->conf->cred) {
1501 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1502 "start ANQP fetch since no matching "
1503 "networks found");
1504 wpa_s->network_select = 1;
1505 wpa_s->auto_network_select = 1;
1506 interworking_start_fetch_anqp(wpa_s);
0dd54313 1507 return 1;
4d5bda5f
JM		 1508 }
1509#endif /* CONFIG_INTERWORKING */
662b40b1 1510#ifdef CONFIG_WPS
538d6f4b 1511 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
662b40b1
JM		 1512 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1513 timeout_sec = 0;
1514 timeout_usec = 500000;
1515 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1516 timeout_usec);
1517 return 0;
1518 }
1519#endif /* CONFIG_WPS */
a4cba8f1
LC		 1520 if (wpa_supplicant_req_sched_scan(wpa_s))
1521 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1522 timeout_usec);
977b1174 1523 }
6fc6879b 1524 }
e1504976 1525 return 0;
6fc6879b 1526}
6859f1cb
BG		 1527
1528
b0e669be
JM		 1529static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1530 union wpa_event_data *data)
6859f1cb 1531{
6859f1cb 1532 struct wpa_supplicant *ifs;
b0e669be 1533 int res;
6859f1cb 1534
b0e669be
JM		 1535 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1);
1536 if (res == 2) {
1537 /*
1538 * Interface may have been removed, so must not dereference
1539 * wpa_s after this.
1540 */
1541 return 1;
1542 }
1543 if (res != 0) {
e1504976
BG		 1544 /*
1545 * If no scan results could be fetched, then no need to
1546 * notify those interfaces that did not actually request
0dd54313
JM		 1547 * this scan. Similarly, if scan results started a new operation on this
1548 * interface, do not notify other interfaces to avoid concurrent
1549 * operations during a connection attempt.
e1504976 1550 */
b0e669be 1551 return 0;
e1504976 1552 }
6859f1cb
BG		 1553
1554 /*
f88f19b4 1555 * Check other interfaces to see if they share the same radio. If
6859f1cb
BG		 1556 * so, they get updated with this same scan info.
1557 */
f88f19b4
JM		 1558 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1559 radio_list) {
1560 if (ifs != wpa_s) {
6859f1cb
BG		 1561 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1562 "sibling", ifs->ifname);
cfd31b50 1563 _wpa_supplicant_event_scan_results(ifs, data, 0);
6859f1cb
BG		 1564 }
1565 }
b0e669be
JM		 1566
1567 return 0;
6859f1cb
BG		 1568}
1569
6fc6879b
JM		 1570#endif /* CONFIG_NO_SCAN_PROCESSING */
1571
1572
cecdddc1
PS		 1573int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1574{
1575#ifdef CONFIG_NO_SCAN_PROCESSING
1576 return -1;
1577#else /* CONFIG_NO_SCAN_PROCESSING */
a12d3454 1578 struct os_reltime now;
cecdddc1
PS		 1579
1580 if (wpa_s->last_scan_res_used <= 0)
1581 return -1;
1582
a12d3454
JB		 1583 os_get_reltime(&now);
1584 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
cecdddc1
PS		 1585 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1586 return -1;
1587 }
1588
cc4952ad 1589 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
cecdddc1
PS		 1590#endif /* CONFIG_NO_SCAN_PROCESSING */
1591}
1592
b6668734
JM		 1593#ifdef CONFIG_WNM
1594
1595static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1596{
1597 struct wpa_supplicant *wpa_s = eloop_ctx;
1598
1599 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1600 return;
1601
2ec535fd
JM		 1602 if (!wpa_s->no_keep_alive) {
1603 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1604 MAC2STR(wpa_s->bssid));
1605 /* TODO: could skip this if normal data traffic has been sent */
1606 /* TODO: Consider using some more appropriate data frame for
1607 * this */
1608 if (wpa_s->l2)
1609 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1610 (u8 *) "", 0);
1611 }
b6668734 1612
597c7a8d 1613#ifdef CONFIG_SME
b6668734
JM		 1614 if (wpa_s->sme.bss_max_idle_period) {
1615 unsigned int msec;
1616 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1617 if (msec > 100)
1618 msec -= 100;
1619 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1620 wnm_bss_keep_alive, wpa_s, NULL);
1621 }
597c7a8d 1622#endif /* CONFIG_SME */
b6668734
JM		 1623}
1624
1625
1626static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1627 const u8 *ies, size_t ies_len)
1628{
1629 struct ieee802_11_elems elems;
1630
1631 if (ies == NULL)
1632 return;
1633
1634 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1635 return;
1636
1637#ifdef CONFIG_SME
1638 if (elems.bss_max_idle_period) {
1639 unsigned int msec;
1640 wpa_s->sme.bss_max_idle_period =
1641 WPA_GET_LE16(elems.bss_max_idle_period);
1642 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1643 "TU)%s", wpa_s->sme.bss_max_idle_period,
1644 (elems.bss_max_idle_period[2] & 0x01) ?
1645 " (protected keep-live required)" : "");
1646 if (wpa_s->sme.bss_max_idle_period == 0)
1647 wpa_s->sme.bss_max_idle_period = 1;
1648 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1649 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1650 /* msec times 1000 */
1651 msec = wpa_s->sme.bss_max_idle_period * 1024;
1652 if (msec > 100)
1653 msec -= 100;
1654 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1655 wnm_bss_keep_alive, wpa_s,
1656 NULL);
1657 }
1658 }
1659#endif /* CONFIG_SME */
1660}
1661
1662#endif /* CONFIG_WNM */
1663
1664
1665void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1666{
1667#ifdef CONFIG_WNM
1668 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1669#endif /* CONFIG_WNM */
1670}
1671
1672
56f5af48
JM		 1673#ifdef CONFIG_INTERWORKING
1674
1675static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
1676 size_t len)
1677{
1678 int res;
1679
1680 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
1681 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
1682 if (res) {
1683 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
1684 }
1685
1686 return res;
1687}
1688
1689
1690static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
1691 const u8 *ies, size_t ies_len)
1692{
1693 struct ieee802_11_elems elems;
1694
1695 if (ies == NULL)
1696 return;
1697
1698 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1699 return;
1700
1701 if (elems.qos_map_set) {
1702 wpas_qos_map_set(wpa_s, elems.qos_map_set,
1703 elems.qos_map_set_len);
1704 }
1705}
1706
1707#endif /* CONFIG_INTERWORKING */
1708
1709
579ce771
JM		 1710static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1711 union wpa_event_data *data)
6fc6879b
JM		 1712{
1713 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 1714 const u8 *p;
b6714ca1 1715#ifdef CONFIG_IEEE80211R
6a1ce395 1716 u8 bssid[ETH_ALEN];
b6714ca1 1717#endif /* CONFIG_IEEE80211R */
6fc6879b 1718
f049052b 1719 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 1720 if (data->assoc_info.req_ies)
1721 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1722 data->assoc_info.req_ies_len);
52c9e6f3 1723 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 1724 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1725 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 1726#ifdef CONFIG_TDLS
1727 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1728 data->assoc_info.resp_ies_len);
1729#endif /* CONFIG_TDLS */
b6668734
JM		 1730#ifdef CONFIG_WNM
1731 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1732 data->assoc_info.resp_ies_len);
1733#endif /* CONFIG_WNM */
56f5af48
JM		 1734#ifdef CONFIG_INTERWORKING
1735 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1736 data->assoc_info.resp_ies_len);
1737#endif /* CONFIG_INTERWORKING */
52c9e6f3 1738 }
6fc6879b
JM		 1739 if (data->assoc_info.beacon_ies)
1740 wpa_hexdump(MSG_DEBUG, "beacon_ies",
1741 data->assoc_info.beacon_ies,
1742 data->assoc_info.beacon_ies_len);
4832ecd7 1743 if (data->assoc_info.freq)
f049052b
BG		 1744 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
1745 data->assoc_info.freq);
6fc6879b
JM		 1746
1747 p = data->assoc_info.req_ies;
1748 l = data->assoc_info.req_ies_len;
1749
1750 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1751 while (p && l >= 2) {
1752 len = p[1] + 2;
1753 if (len > l) {
1754 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1755 p, l);
1756 break;
1757 }
1758 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1759 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1760 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1761 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1762 break;
1763 found = 1;
1764 wpa_find_assoc_pmkid(wpa_s);
1765 break;
1766 }
1767 l -= len;
1768 p += len;
1769 }
1770 if (!found && data->assoc_info.req_ies)
1771 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1772
c2a04078 1773#ifdef CONFIG_IEEE80211R
62c72d72
JM		 1774#ifdef CONFIG_SME
1775 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 1776 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1777 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1778 data->assoc_info.resp_ies,
1779 data->assoc_info.resp_ies_len,
1780 bssid) < 0) {
f049052b
BG		 1781 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1782 "Reassociation Response failed");
579ce771
JM		 1783 wpa_supplicant_deauthenticate(
1784 wpa_s, WLAN_REASON_INVALID_IE);
1785 return -1;
62c72d72
JM		 1786 }
1787 }
62c72d72 1788
c2a04078
JM		 1789 p = data->assoc_info.resp_ies;
1790 l = data->assoc_info.resp_ies_len;
1791
54f489be 1792#ifdef CONFIG_WPS_STRICT
5dac11e0 1793 if (p && wpa_s->current_ssid &&
54f489be
JM		 1794 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
1795 struct wpabuf *wps;
1796 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
1797 if (wps == NULL) {
f049052b
BG		 1798 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
1799 "include WPS IE in (Re)Association Response");
54f489be
JM		 1800 return -1;
1801 }
1802
1803 if (wps_validate_assoc_resp(wps) < 0) {
1804 wpabuf_free(wps);
1805 wpa_supplicant_deauthenticate(
1806 wpa_s, WLAN_REASON_INVALID_IE);
1807 return -1;
1808 }
1809 wpabuf_free(wps);
1810 }
1811#endif /* CONFIG_WPS_STRICT */
1812
e7846b68 1813 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 1814 while (p && l >= 2) {
1815 len = p[1] + 2;
1816 if (len > l) {
1817 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1818 p, l);
1819 break;
1820 }
e7846b68
JM		 1821 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1822 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1823 wpa_s->sme.ft_used = 1;
1824 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1825 MOBILITY_DOMAIN_ID_LEN);
1826 break;
1827 }
c2a04078
JM		 1828 l -= len;
1829 p += len;
1830 }
e7846b68 1831#endif /* CONFIG_SME */
c2a04078 1832
6a1ce395
DG		 1833 /* Process FT when SME is in the driver */
1834 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
1835 wpa_ft_is_completed(wpa_s->wpa)) {
1836 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1837 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1838 data->assoc_info.resp_ies,
1839 data->assoc_info.resp_ies_len,
1840 bssid) < 0) {
1841 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1842 "Reassociation Response failed");
1843 wpa_supplicant_deauthenticate(
1844 wpa_s, WLAN_REASON_INVALID_IE);
1845 return -1;
1846 }
1847 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
1848 }
1849
e7846b68
JM		 1850 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1851 data->assoc_info.resp_ies_len);
c2a04078
JM		 1852#endif /* CONFIG_IEEE80211R */
1853
6fc6879b
JM		 1854 /* WPA/RSN IE from Beacon/ProbeResp */
1855 p = data->assoc_info.beacon_ies;
1856 l = data->assoc_info.beacon_ies_len;
1857
1858 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1859 */
1860 wpa_found = rsn_found = 0;
1861 while (p && l >= 2) {
1862 len = p[1] + 2;
1863 if (len > l) {
1864 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1865 p, l);
1866 break;
1867 }
1868 if (!wpa_found &&
1869 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1870 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1871 wpa_found = 1;
1872 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1873 }
1874
1875 if (!rsn_found &&
1876 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1877 rsn_found = 1;
1878 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1879 }
1880
1881 l -= len;
1882 p += len;
1883 }
1884
1885 if (!wpa_found && data->assoc_info.beacon_ies)
1886 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1887 if (!rsn_found && data->assoc_info.beacon_ies)
1888 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1889 if (wpa_found || rsn_found)
1890 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 1891
117e812d
JM		 1892 if (wpa_s->assoc_freq && data->assoc_info.freq &&
1893 wpa_s->assoc_freq != data->assoc_info.freq) {
1894 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
1895 "%u to %u MHz",
1896 wpa_s->assoc_freq, data->assoc_info.freq);
1897 wpa_supplicant_update_scan_results(wpa_s);
1898 }
1899
4832ecd7 1900 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 1901
1902 return 0;
6fc6879b
JM		 1903}
1904
1905
ad9ee4d4
JM		 1906static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
1907{
1908 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
1909
1910 if (!wpa_s->current_bss || !wpa_s->current_ssid)
1911 return -1;
1912
1913 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
1914 return 0;
1915
1916 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1917 WPA_IE_VENDOR_TYPE);
1918 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
1919
1920 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
1921 bss_wpa ? 2 + bss_wpa[1] : 0) ||
1922 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
1923 bss_rsn ? 2 + bss_rsn[1] : 0))
1924 return -1;
1925
1926 return 0;
1927}
1928
1929
6fc6879b
JM		 1930static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1931 union wpa_event_data *data)
1932{
1933 u8 bssid[ETH_ALEN];
1d041bec 1934 int ft_completed;
6fc6879b 1935
1d041bec
JM		 1936#ifdef CONFIG_AP
1937 if (wpa_s->ap_iface) {
a01acc50
JM		 1938 if (!data)
1939 return;
1d041bec
JM		 1940 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1941 data->assoc_info.addr,
1942 data->assoc_info.req_ies,
39b08b5f
SP		 1943 data->assoc_info.req_ies_len,
1944 data->assoc_info.reassoc);
1d041bec
JM		 1945 return;
1946 }
1947#endif /* CONFIG_AP */
1948
1949 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 1950 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1951 return;
6fc6879b 1952
0a0c38f6
MH		 1953 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1954 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 1955 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 1956 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1957 return;
1958 }
1959
6fc6879b 1960 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 1961 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
f049052b 1962 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 1963 MACSTR, MAC2STR(bssid));
bbb921da 1964 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 1965 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1966 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 1967 wpas_notify_bssid_changed(wpa_s);
8bac466b 1968
6fc6879b
JM		 1969 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1970 wpa_clear_keys(wpa_s, bssid);
1971 }
1972 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 1973 wpa_supplicant_deauthenticate(
6fc6879b
JM		 1974 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1975 return;
1976 }
cd2f4ddf
SM		 1977
1978 if (wpa_s->conf->ap_scan == 1 &&
1979 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
1980 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
1981 wpa_msg(wpa_s, MSG_WARNING,
1982 "WPA/RSN IEs not updated");
1983 }
6fc6879b
JM		 1984 }
1985
62fa124c
JM		 1986#ifdef CONFIG_SME
1987 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1988 wpa_s->sme.prev_bssid_set = 1;
3302b7c2 1989 wpa_s->sme.last_unprot_disconnect.sec = 0;
62fa124c
JM		 1990#endif /* CONFIG_SME */
1991
6fc6879b
JM		 1992 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1993 if (wpa_s->current_ssid) {
1994 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1995 * initialized before association, but for other modes,
1996 * initialize PC/SC here, if the current configuration needs
1997 * smartcard or SIM/USIM. */
1998 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1999 }
2000 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 2001 if (wpa_s->l2)
2002 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b
JM		 2003
2004 /*
2005 * Set portEnabled first to FALSE in order to get EAP state machine out
2006 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2007 * state machine may transit to AUTHENTICATING state based on obsolete
2008 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2009 * AUTHENTICATED without ever giving chance to EAP state machine to
2010 * reset the state.
2011 */
2012 if (!ft_completed) {
2013 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2014 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2015 }
56586197 2016 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
6fc6879b
JM		 2017 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2018 /* 802.1X::portControl = Auto */
2019 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2020 wpa_s->eapol_received = 0;
2021 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 2022 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2023 (wpa_s->current_ssid &&
2024 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
fb958ea7
JM		 2025 if (wpa_s->current_ssid &&
2026 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
6ea1f413
JM		 2027 (wpa_s->drv_flags &
2028 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2029 /*
2030 * Set the key after having received joined-IBSS event
2031 * from the driver.
2032 */
2033 wpa_supplicant_set_wpa_none_key(wpa_s,
2034 wpa_s->current_ssid);
2035 }
6fc6879b
JM		 2036 wpa_supplicant_cancel_auth_timeout(wpa_s);
2037 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2038 } else if (!ft_completed) {
2039 /* Timeout for receiving the first EAPOL packet */
2040 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2041 }
2042 wpa_supplicant_cancel_scan(wpa_s);
2043
c2a04078 2044 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 2045 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 2046 /*
2047 * We are done; the driver will take care of RSN 4-way
2048 * handshake.
2049 */
2050 wpa_supplicant_cancel_auth_timeout(wpa_s);
2051 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2052 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2053 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
98ea9431
JM		 2054 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2055 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2056 /*
2057 * The driver will take care of RSN 4-way handshake, so we need
2058 * to allow EAPOL supplicant to complete its work without
2059 * waiting for WPA supplicant.
2060 */
2061 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
16a83d29
JM		 2062 } else if (ft_completed) {
2063 /*
2064 * FT protocol completed - make sure EAPOL state machine ends
2065 * up in authenticated.
2066 */
2067 wpa_supplicant_cancel_auth_timeout(wpa_s);
2068 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2069 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2070 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
6fc6879b 2071 }
1ff73338 2072
3ab35a66
JM		 2073 wpa_s->last_eapol_matches_bssid = 0;
2074
1ff73338 2075 if (wpa_s->pending_eapol_rx) {
c2be937c
JB		 2076 struct os_reltime now, age;
2077 os_get_reltime(&now);
2078 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1ff73338
JM		 2079 if (age.sec == 0 && age.usec < 100000 &&
2080 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2081 0) {
f049052b
BG		 2082 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2083 "frame that was received just before "
2084 "association notification");
1ff73338
JM		 2085 wpa_supplicant_rx_eapol(
2086 wpa_s, wpa_s->pending_eapol_rx_src,
2087 wpabuf_head(wpa_s->pending_eapol_rx),
2088 wpabuf_len(wpa_s->pending_eapol_rx));
2089 }
2090 wpabuf_free(wpa_s->pending_eapol_rx);
2091 wpa_s->pending_eapol_rx = NULL;
2092 }
60b94c98 2093
0194fedb
JB		 2094 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2095 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 2096 wpa_s->current_ssid &&
2097 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 2098 /* Set static WEP keys again */
2099 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2100 }
50b05780
JM		 2101
2102#ifdef CONFIG_IBSS_RSN
2103 if (wpa_s->current_ssid &&
2104 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2105 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 2106 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2107 wpa_s->ibss_rsn == NULL) {
2108 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
2109 if (!wpa_s->ibss_rsn) {
2110 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2111 wpa_supplicant_deauthenticate(
2112 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2113 return;
2114 }
2115
2116 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2117 }
50b05780 2118#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 2119
2120 wpas_wps_notify_assoc(wpa_s, bssid);
a0413b17
MB		 2121
2122 if (data) {
2123 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2124 data->assoc_info.resp_ies_len,
2125 &data->assoc_info.wmm_params);
8c42b369
EP		 2126
2127 if (wpa_s->reassoc_same_bss)
2128 wmm_ac_restore_tspecs(wpa_s);
a0413b17 2129 }
6fc6879b
JM		 2130}
2131
2132
d00821e9
JM		 2133static int disconnect_reason_recoverable(u16 reason_code)
2134{
2135 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2136 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2137 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2138}
2139
2140
0544b242 2141static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 2142 u16 reason_code,
2143 int locally_generated)
6fc6879b
JM		 2144{
2145 const u8 *bssid;
0aadd568
JM		 2146
2147 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2148 /*
2149 * At least Host AP driver and a Prism3 card seemed to be
2150 * generating streams of disconnected events when configuring
2151 * IBSS for WPA-None. Ignore them for now.
2152 */
2153 return;
2154 }
2155
2156 bssid = wpa_s->bssid;
2157 if (is_zero_ether_addr(bssid))
2158 bssid = wpa_s->pending_bssid;
2159
2160 if (!is_zero_ether_addr(bssid) ||
2161 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2162 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2163 " reason=%d%s",
2164 MAC2STR(bssid), reason_code,
2165 locally_generated ? " locally_generated=1" : "");
2166 }
2167}
2168
2169
c9a82218
JM		 2170static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2171 int locally_generated)
2172{
2173 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2174 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2175 return 0; /* Not in 4-way handshake with PSK */
2176
2177 /*
2178 * It looks like connection was lost while trying to go through PSK
2179 * 4-way handshake. Filter out known disconnection cases that are caused
2180 * by something else than PSK mismatch to avoid confusing reports.
2181 */
2182
2183 if (locally_generated) {
2184 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2185 return 0;
2186 }
2187
2188 return 1;
2189}
2190
2191
0aadd568
JM		 2192static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2193 u16 reason_code,
2194 int locally_generated)
2195{
2196 const u8 *bssid;
6d6f4bb8
JM		 2197 int authenticating;
2198 u8 prev_pending_bssid[ETH_ALEN];
d00821e9
JM		 2199 struct wpa_bss *fast_reconnect = NULL;
2200 struct wpa_ssid *fast_reconnect_ssid = NULL;
bcdf2096 2201 struct wpa_ssid *last_ssid;
6d6f4bb8
JM		 2202
2203 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2204 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 2205
2206 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2207 /*
2208 * At least Host AP driver and a Prism3 card seemed to be
2209 * generating streams of disconnected events when configuring
2210 * IBSS for WPA-None. Ignore them for now.
2211 */
f049052b
BG		 2212 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2213 "IBSS/WPA-None mode");
6fc6879b
JM		 2214 return;
2215 }
2216
c9a82218 2217 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 2218 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2219 "pre-shared key may be incorrect");
5bf9a6c8
JM		 2220 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2221 return; /* P2P group removed */
b19c098e 2222 wpas_auth_failed(wpa_s, "WRONG_KEY");
6fc6879b 2223 }
3636b891
JM		 2224 if (!wpa_s->disconnected &&
2225 (!wpa_s->auto_reconnect_disabled ||
6e252b0d
JM		 2226 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
2227 wpas_wps_searching(wpa_s))) {
d00821e9 2228 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
6e252b0d 2229 "reconnect (wps=%d/%d wpa_state=%d)",
f7da5a9e 2230 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
6e252b0d 2231 wpas_wps_searching(wpa_s),
f7da5a9e 2232 wpa_s->wpa_state);
d00821e9
JM		 2233 if (wpa_s->wpa_state == WPA_COMPLETED &&
2234 wpa_s->current_ssid &&
2235 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 2236 !locally_generated &&
d00821e9
JM		 2237 disconnect_reason_recoverable(reason_code)) {
2238 /*
2239 * It looks like the AP has dropped association with
2240 * us, but could allow us to get back in. Try to
2241 * reconnect to the same BSS without full scan to save
2242 * time for some common cases.
2243 */
2244 fast_reconnect = wpa_s->current_bss;
2245 fast_reconnect_ssid = wpa_s->current_ssid;
2246 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 2247 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 2248 else
2249 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2250 "immediate scan");
0d0a8ca1 2251 } else {
d00821e9 2252 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 2253 "try to re-connect");
0d0a8ca1
AC		 2254 wpa_s->reassociate = 0;
2255 wpa_s->disconnected = 1;
433cd2ce 2256 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 2257 }
6fc6879b 2258 bssid = wpa_s->bssid;
a8e16edc 2259 if (is_zero_ether_addr(bssid))
6fc6879b 2260 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 2261 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2262 wpas_connection_failed(wpa_s, bssid);
6fc6879b 2263 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 2264 if (locally_generated)
2265 wpa_s->disconnect_reason = -reason_code;
2266 else
2267 wpa_s->disconnect_reason = reason_code;
2268 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 2269 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 2270 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 2271 wpa_clear_keys(wpa_s, wpa_s->bssid);
2272 }
bcdf2096 2273 last_ssid = wpa_s->current_ssid;
6fc6879b 2274 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 2275
bcdf2096 2276 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 2277 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 2278 wpa_s->current_ssid = last_ssid;
2279 }
d00821e9 2280
eef7235d
JM		 2281 if (fast_reconnect &&
2282 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
2283 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
2284 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
2285 fast_reconnect->ssid_len) &&
2286 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid)) {
5928411e 2287#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 2288 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2289 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2290 fast_reconnect_ssid) < 0) {
2291 /* Recover through full scan */
2292 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2293 }
5928411e 2294#endif /* CONFIG_NO_SCAN_PROCESSING */
eef7235d
JM		 2295 } else if (fast_reconnect) {
2296 /*
2297 * Could not reconnect to the same BSS due to network being
2298 * disabled. Use a new scan to match the alternative behavior
2299 * above, i.e., to continue automatic reconnection attempt in a
2300 * way that enforces disabled network rules.
2301 */
2302 wpa_supplicant_req_scan(wpa_s, 0, 100000);
d00821e9 2303 }
6fc6879b
JM		 2304}
2305
2306
46690a3b 2307#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 2308void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 2309{
2310 struct wpa_supplicant *wpa_s = eloop_ctx;
2311
2312 if (!wpa_s->pending_mic_error_report)
2313 return;
2314
f049052b 2315 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 2316 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2317 wpa_s->pending_mic_error_report = 0;
2318}
2319#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2320
2321
6fc6879b
JM		 2322static void
2323wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2324 union wpa_event_data *data)
2325{
2326 int pairwise;
6473e5c8 2327 struct os_reltime t;
6fc6879b
JM		 2328
2329 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2330 pairwise = (data && data->michael_mic_failure.unicast);
6473e5c8
JB		 2331 os_get_reltime(&t);
2332 if ((wpa_s->last_michael_mic_error.sec &&
2333 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
46690a3b
JM		 2334 wpa_s->pending_mic_error_report) {
2335 if (wpa_s->pending_mic_error_report) {
2336 /*
2337 * Send the pending MIC error report immediately since
2338 * we are going to start countermeasures and AP better
2339 * do the same.
2340 */
2341 wpa_sm_key_request(wpa_s->wpa, 1,
2342 wpa_s->pending_mic_error_pairwise);
2343 }
2344
2345 /* Send the new MIC error report immediately since we are going
2346 * to start countermeasures and AP better do the same.
2347 */
2348 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2349
6fc6879b
JM		 2350 /* initialize countermeasures */
2351 wpa_s->countermeasures = 1;
8945cc45
BM		 2352
2353 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2354
6fc6879b
JM		 2355 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2356
2357 /*
2358 * Need to wait for completion of request frame. We do not get
2359 * any callback for the message completion, so just wait a
2360 * short while and hope for the best. */
2361 os_sleep(0, 10000);
2362
2363 wpa_drv_set_countermeasures(wpa_s, 1);
2364 wpa_supplicant_deauthenticate(wpa_s,
2365 WLAN_REASON_MICHAEL_MIC_FAILURE);
2366 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2367 wpa_s, NULL);
2368 eloop_register_timeout(60, 0,
2369 wpa_supplicant_stop_countermeasures,
2370 wpa_s, NULL);
2371 /* TODO: mark the AP rejected for 60 second. STA is
2372 * allowed to associate with another AP.. */
46690a3b
JM		 2373 } else {
2374#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2375 if (wpa_s->mic_errors_seen) {
2376 /*
2377 * Reduce the effectiveness of Michael MIC error
2378 * reports as a means for attacking against TKIP if
2379 * more than one MIC failure is noticed with the same
2380 * PTK. We delay the transmission of the reports by a
2381 * random time between 0 and 60 seconds in order to
2382 * force the attacker wait 60 seconds before getting
2383 * the information on whether a frame resulted in a MIC
2384 * failure.
2385 */
2386 u8 rval[4];
2387 int sec;
2388
2389 if (os_get_random(rval, sizeof(rval)) < 0)
2390 sec = os_random() % 60;
2391 else
2392 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 2393 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2394 "report %d seconds", sec);
46690a3b
JM		 2395 wpa_s->pending_mic_error_report = 1;
2396 wpa_s->pending_mic_error_pairwise = pairwise;
2397 eloop_cancel_timeout(
2398 wpa_supplicant_delayed_mic_error_report,
2399 wpa_s, NULL);
2400 eloop_register_timeout(
2401 sec, os_random() % 1000000,
2402 wpa_supplicant_delayed_mic_error_report,
2403 wpa_s, NULL);
2404 } else {
2405 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2406 }
2407#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2408 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2409#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b 2410 }
6473e5c8 2411 wpa_s->last_michael_mic_error = t;
46690a3b 2412 wpa_s->mic_errors_seen++;
6fc6879b
JM		 2413}
2414
2415
a83d9c96
SL		 2416#ifdef CONFIG_TERMINATE_ONLASTIF
2417static int any_interfaces(struct wpa_supplicant *head)
2418{
2419 struct wpa_supplicant *wpa_s;
2420
2421 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2422 if (!wpa_s->interface_removed)
2423 return 1;
2424 return 0;
2425}
2426#endif /* CONFIG_TERMINATE_ONLASTIF */
2427
2428
6fc6879b
JM		 2429static void
2430wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2431 union wpa_event_data *data)
2432{
2433 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2434 return;
2435
2436 switch (data->interface_status.ievent) {
2437 case EVENT_INTERFACE_ADDED:
2438 if (!wpa_s->interface_removed)
2439 break;
2440 wpa_s->interface_removed = 0;
f049052b 2441 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 2442 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 2443 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2444 "driver after interface was added");
6fc6879b
JM		 2445 }
2446 break;
2447 case EVENT_INTERFACE_REMOVED:
f049052b 2448 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 2449 wpa_s->interface_removed = 1;
2450 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 2451 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 2452 l2_packet_deinit(wpa_s->l2);
2453 wpa_s->l2 = NULL;
a83d9c96
SL		 2454#ifdef CONFIG_TERMINATE_ONLASTIF
2455 /* check if last interface */
2456 if (!any_interfaces(wpa_s->global->ifaces))
2457 eloop_terminate();
2458#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 2459 break;
2460 }
2461}
2462
2463
2464#ifdef CONFIG_PEERKEY
2465static void
2466wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2467 union wpa_event_data *data)
2468{
2469 if (data == NULL)
2470 return;
2471 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2472}
2473#endif /* CONFIG_PEERKEY */
2474
2475
281ff0aa
GP		 2476#ifdef CONFIG_TDLS
2477static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2478 union wpa_event_data *data)
2479{
2480 if (data == NULL)
2481 return;
2482 switch (data->tdls.oper) {
2483 case TDLS_REQUEST_SETUP:
3887878e
SD		 2484 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2485 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2486 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2487 else
2488 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 2489 break;
2490 case TDLS_REQUEST_TEARDOWN:
f130b105
SD		 2491 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2492 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
2493 data->tdls.reason_code);
2494 else
2495 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
2496 data->tdls.peer);
281ff0aa 2497 break;
c10ca2a6
SD		 2498 case TDLS_REQUEST_DISCOVER:
2499 wpa_tdls_send_discovery_request(wpa_s->wpa,
2500 data->tdls.peer);
2501 break;
281ff0aa
GP		 2502 }
2503}
2504#endif /* CONFIG_TDLS */
2505
2506
ad3872a3 2507#ifdef CONFIG_WNM
75cad1a0
XC		 2508static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2509 union wpa_event_data *data)
2510{
2511 if (data == NULL)
2512 return;
2513 switch (data->wnm.oper) {
2514 case WNM_OPER_SLEEP:
2515 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2516 "(action=%d, intval=%d)",
2517 data->wnm.sleep_action, data->wnm.sleep_intval);
2518 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 2519 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 2520 break;
2521 }
2522}
ad3872a3 2523#endif /* CONFIG_WNM */
75cad1a0
XC		 2524
2525
6fc6879b
JM		 2526#ifdef CONFIG_IEEE80211R
2527static void
2528wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2529 union wpa_event_data *data)
2530{
2531 if (data == NULL)
2532 return;
2533
2534 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2535 data->ft_ies.ies_len,
2536 data->ft_ies.ft_action,
babfbf15
JM		 2537 data->ft_ies.target_ap,
2538 data->ft_ies.ric_ies,
2539 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 2540 /* TODO: prevent MLME/driver from trying to associate? */
2541 }
2542}
2543#endif /* CONFIG_IEEE80211R */
2544
2545
11ef8d35
JM		 2546#ifdef CONFIG_IBSS_RSN
2547static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2548 union wpa_event_data *data)
2549{
df4bc509 2550 struct wpa_ssid *ssid;
df418245
XC		 2551 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2552 return;
11ef8d35
JM		 2553 if (data == NULL)
2554 return;
df4bc509
JM		 2555 ssid = wpa_s->current_ssid;
2556 if (ssid == NULL)
2557 return;
2558 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2559 return;
2560
11ef8d35
JM		 2561 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2562}
13adc57b
AQ		 2563
2564
2565static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
2566 union wpa_event_data *data)
2567{
2568 struct wpa_ssid *ssid = wpa_s->current_ssid;
2569
2570 if (ssid == NULL)
2571 return;
2572
2573 /* check if the ssid is correctly configured as IBSS/RSN */
2574 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2575 return;
2576
2577 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
2578 data->rx_mgmt.frame_len);
2579}
11ef8d35
JM		 2580#endif /* CONFIG_IBSS_RSN */
2581
2582
036f7c4a
JM		 2583#ifdef CONFIG_IEEE80211R
2584static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2585 size_t len)
2586{
2587 const u8 *sta_addr, *target_ap_addr;
2588 u16 status;
2589
2590 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2591 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2592 return; /* only SME case supported for now */
2593 if (len < 1 + 2 * ETH_ALEN + 2)
2594 return;
2595 if (data[0] != 2)
2596 return; /* Only FT Action Response is supported for now */
2597 sta_addr = data + 1;
2598 target_ap_addr = data + 1 + ETH_ALEN;
2599 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 2600 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2601 MACSTR " TargetAP " MACSTR " status %u",
2602 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 2603
2604 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 2605 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2606 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 2607 return;
2608 }
2609
2610 if (status) {
f049052b
BG		 2611 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2612 "failure (status code %d)", status);
036f7c4a
JM		 2613 /* TODO: report error to FT code(?) */
2614 return;
2615 }
2616
2617 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2618 len - (1 + 2 * ETH_ALEN + 2), 1,
2619 target_ap_addr, NULL, 0) < 0)
2620 return;
2621
fe191985
JM		 2622#ifdef CONFIG_SME
2623 {
2624 struct wpa_bss *bss;
2625 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
2626 if (bss)
2627 wpa_s->sme.freq = bss->freq;
62c72d72 2628 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 2629 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
2630 WLAN_AUTH_FT);
2631 }
2632#endif /* CONFIG_SME */
036f7c4a
JM		 2633}
2634#endif /* CONFIG_IEEE80211R */
2635
2636
7d878ca7
JM		 2637static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
2638 struct unprot_deauth *e)
2639{
2640#ifdef CONFIG_IEEE80211W
2641 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
2642 "dropped: " MACSTR " -> " MACSTR
2643 " (reason code %u)",
2644 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2645 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2646#endif /* CONFIG_IEEE80211W */
2647}
2648
2649
2650static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
2651 struct unprot_disassoc *e)
2652{
2653#ifdef CONFIG_IEEE80211W
2654 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
2655 "dropped: " MACSTR " -> " MACSTR
2656 " (reason code %u)",
2657 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2658 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2659#endif /* CONFIG_IEEE80211W */
2660}
2661
2662
d7df0fa7
JM		 2663static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
2664 u16 reason_code, int locally_generated,
2665 const u8 *ie, size_t ie_len, int deauth)
2666{
2667#ifdef CONFIG_AP
2668 if (wpa_s->ap_iface && addr) {
2669 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
2670 return;
2671 }
2672
2673 if (wpa_s->ap_iface) {
2674 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
2675 return;
2676 }
2677#endif /* CONFIG_AP */
2678
c2805909
JM		 2679 if (!locally_generated)
2680 wpa_s->own_disconnect_req = 0;
2681
d7df0fa7
JM		 2682 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
2683
c60ba9f7
JM		 2684 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
2685 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2686 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
2687 eapol_sm_failed(wpa_s->eapol))) &&
2688 !wpa_s->eap_expected_failure))
b19c098e 2689 wpas_auth_failed(wpa_s, "AUTH_FAILED");
d7df0fa7
JM		 2690
2691#ifdef CONFIG_P2P
43ee4704 2692 if (deauth && reason_code > 0) {
d7df0fa7
JM		 2693 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
2694 locally_generated) > 0) {
2695 /*
2696 * The interface was removed, so cannot continue
2697 * processing any additional operations after this.
2698 */
2699 return;
2700 }
2701 }
2702#endif /* CONFIG_P2P */
2703
2704 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
2705 locally_generated);
2706}
2707
2708
2709static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
2710 struct disassoc_info *info)
2711{
2712 u16 reason_code = 0;
2713 int locally_generated = 0;
2714 const u8 *addr = NULL;
2715 const u8 *ie = NULL;
2716 size_t ie_len = 0;
2717
2718 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
2719
2720 if (info) {
2721 addr = info->addr;
2722 ie = info->ie;
2723 ie_len = info->ie_len;
2724 reason_code = info->reason_code;
2725 locally_generated = info->locally_generated;
2726 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
2727 locally_generated ? " (locally generated)" : "");
2728 if (addr)
2729 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2730 MAC2STR(addr));
2731 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
2732 ie, ie_len);
2733 }
2734
2735#ifdef CONFIG_AP
2736 if (wpa_s->ap_iface && info && info->addr) {
2737 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
2738 return;
2739 }
2740
2741 if (wpa_s->ap_iface) {
2742 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
2743 return;
2744 }
2745#endif /* CONFIG_AP */
2746
2747#ifdef CONFIG_P2P
2748 if (info) {
2749 wpas_p2p_disassoc_notif(
2750 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
2751 locally_generated);
2752 }
2753#endif /* CONFIG_P2P */
2754
2755 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2756 sme_event_disassoc(wpa_s, info);
2757
2758 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
2759 ie, ie_len, 0);
2760}
2761
2762
2763static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
2764 struct deauth_info *info)
2765{
2766 u16 reason_code = 0;
2767 int locally_generated = 0;
2768 const u8 *addr = NULL;
2769 const u8 *ie = NULL;
2770 size_t ie_len = 0;
2771
2772 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
2773
2774 if (info) {
2775 addr = info->addr;
2776 ie = info->ie;
2777 ie_len = info->ie_len;
2778 reason_code = info->reason_code;
2779 locally_generated = info->locally_generated;
2780 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2781 reason_code,
2782 locally_generated ? " (locally generated)" : "");
2783 if (addr) {
2784 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2785 MAC2STR(addr));
2786 }
2787 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
2788 ie, ie_len);
2789 }
2790
2791 wpa_reset_ft_completed(wpa_s->wpa);
2792
2793 wpas_event_disconnect(wpa_s, addr, reason_code,
2794 locally_generated, ie, ie_len, 1);
2795}
2796
2797
142817b2
JM		 2798static const char * reg_init_str(enum reg_change_initiator init)
2799{
2800 switch (init) {
2801 case REGDOM_SET_BY_CORE:
2802 return "CORE";
2803 case REGDOM_SET_BY_USER:
2804 return "USER";
2805 case REGDOM_SET_BY_DRIVER:
2806 return "DRIVER";
2807 case REGDOM_SET_BY_COUNTRY_IE:
2808 return "COUNTRY_IE";
2809 case REGDOM_BEACON_HINT:
2810 return "BEACON_HINT";
2811 }
2812 return "?";
2813}
2814
2815
2816static const char * reg_type_str(enum reg_type type)
2817{
2818 switch (type) {
2819 case REGDOM_TYPE_UNKNOWN:
2820 return "UNKNOWN";
2821 case REGDOM_TYPE_COUNTRY:
2822 return "COUNTRY";
2823 case REGDOM_TYPE_WORLD:
2824 return "WORLD";
2825 case REGDOM_TYPE_CUSTOM_WORLD:
2826 return "CUSTOM_WORLD";
2827 case REGDOM_TYPE_INTERSECTION:
2828 return "INTERSECTION";
2829 }
2830 return "?";
2831}
2832
2833
2834static void wpa_supplicant_update_channel_list(
2835 struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
731ca636 2836{
731ca636
VKE		 2837 struct wpa_supplicant *ifs;
2838
142817b2 2839 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
42619d68 2840 reg_init_str(info->initiator), reg_type_str(info->type),
142817b2
JM		 2841 info->alpha2[0] ? " alpha2=" : "",
2842 info->alpha2[0] ? info->alpha2 : "");
2843
731ca636
VKE		 2844 if (wpa_s->drv_priv == NULL)
2845 return; /* Ignore event during drv initialization */
2846
2847 free_hw_features(wpa_s);
2848 wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
2849 wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
2850
731ca636 2851 wpas_p2p_update_channel_list(wpa_s);
731ca636
VKE		 2852
2853 /*
c67e7e2a 2854 * Check other interfaces to see if they share the same radio. If
731ca636
VKE		 2855 * so, they get updated with this same hw mode info.
2856 */
c67e7e2a
JM		 2857 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2858 radio_list) {
2859 if (ifs != wpa_s) {
731ca636
VKE		 2860 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
2861 ifs->ifname);
2862 free_hw_features(ifs);
2863 ifs->hw.modes = wpa_drv_get_hw_feature_data(
2864 ifs, &ifs->hw.num_modes, &ifs->hw.flags);
2865 }
2866 }
2867}
2868
2869
dbfb8e82 2870static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
70d1e728
AO		 2871 const u8 *frame, size_t len, int freq,
2872 int rssi)
dbfb8e82 2873{
70d95373 2874 const struct ieee80211_mgmt *mgmt;
dbfb8e82
JM		 2875 const u8 *payload;
2876 size_t plen;
2877 u8 category;
2878
2879 if (len < IEEE80211_HDRLEN + 2)
2880 return;
2881
70d95373
JM		 2882 mgmt = (const struct ieee80211_mgmt *) frame;
2883 payload = frame + IEEE80211_HDRLEN;
dbfb8e82 2884 category = *payload++;
70d95373 2885 plen = len - IEEE80211_HDRLEN - 1;
dbfb8e82
JM		 2886
2887 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
2888 " Category=%u DataLen=%d freq=%d MHz",
2889 MAC2STR(mgmt->sa), category, (int) plen, freq);
2890
d1f88001
MB		 2891 if (category == WLAN_ACTION_WMM) {
2892 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
2893 return;
2894 }
2895
dbfb8e82
JM		 2896#ifdef CONFIG_IEEE80211R
2897 if (category == WLAN_ACTION_FT) {
2898 ft_rx_action(wpa_s, payload, plen);
2899 return;
2900 }
2901#endif /* CONFIG_IEEE80211R */
2902
2903#ifdef CONFIG_IEEE80211W
2904#ifdef CONFIG_SME
2905 if (category == WLAN_ACTION_SA_QUERY) {
2906 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
2907 return;
2908 }
2909#endif /* CONFIG_SME */
2910#endif /* CONFIG_IEEE80211W */
2911
2912#ifdef CONFIG_WNM
2913 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
2914 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
2915 return;
2916 }
2917#endif /* CONFIG_WNM */
2918
2919#ifdef CONFIG_GAS
c5a64e2d
JM		 2920 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
2921 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
dbfb8e82 2922 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
c5a64e2d 2923 mgmt->u.action.category,
dbfb8e82
JM		 2924 payload, plen, freq) == 0)
2925 return;
2926#endif /* CONFIG_GAS */
2927
2928#ifdef CONFIG_TDLS
2929 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
2930 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
2931 wpa_dbg(wpa_s, MSG_DEBUG,
2932 "TDLS: Received Discovery Response from " MACSTR,
2933 MAC2STR(mgmt->sa));
2934 return;
2935 }
2936#endif /* CONFIG_TDLS */
2937
2938#ifdef CONFIG_INTERWORKING
2939 if (category == WLAN_ACTION_QOS && plen >= 1 &&
2940 payload[0] == QOS_QOS_MAP_CONFIG) {
2941 const u8 *pos = payload + 1;
2942 size_t qlen = plen - 1;
2943 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
2944 MACSTR, MAC2STR(mgmt->sa));
2945 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
2946 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
2947 pos[1] <= qlen - 2 && pos[1] >= 16)
2948 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
2949 return;
2950 }
2951#endif /* CONFIG_INTERWORKING */
2952
d89c0701
AK		 2953 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
2954 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
2955 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
2956 return;
2957 }
2958
70d1e728
AO		 2959 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
2960 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
2961 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
2962 payload + 1, plen - 1,
2963 rssi);
2964 return;
2965 }
2966
dbfb8e82
JM		 2967 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
2968 category, payload, plen, freq);
5f92659d
BC		 2969 if (wpa_s->ifmsh)
2970 mesh_mpm_action_rx(wpa_s, mgmt, len);
dbfb8e82
JM		 2971}
2972
2973
253f2e37
AH		 2974static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
2975 union wpa_event_data *event)
2976{
2977#ifdef CONFIG_P2P
2978 struct wpa_supplicant *ifs;
2979#endif /* CONFIG_P2P */
2980 struct wpa_freq_range_list *list;
2981 char *str = NULL;
2982
2983 list = &event->freq_range;
2984
2985 if (list->num)
2986 str = freq_range_list_str(list);
2987 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
2988 str ? str : "");
2989
2990#ifdef CONFIG_P2P
2991 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
2992 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
2993 __func__);
2994 } else {
2995 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
2996 wpas_p2p_update_channel_list(wpa_s);
2997 }
2998
2999 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
3000 int freq;
3001 if (!ifs->current_ssid ||
3002 !ifs->current_ssid->p2p_group ||
3003 (ifs->current_ssid->mode != WPAS_MODE_P2P_GO &&
3004 ifs->current_ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION))
3005 continue;
3006
3007 freq = ifs->current_ssid->frequency;
3008 if (!freq_range_list_includes(list, freq)) {
3009 wpa_dbg(ifs, MSG_DEBUG, "P2P GO operating frequency %d MHz in safe range",
3010 freq);
3011 continue;
3012 }
3013
3014 wpa_dbg(ifs, MSG_DEBUG, "P2P GO operating in unsafe frequency %d MHz",
3015 freq);
3016 /* TODO: Consider using CSA or removing the group within
3017 * wpa_supplicant */
3018 wpa_msg(ifs, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
3019 }
3020#endif /* CONFIG_P2P */
3021
3022 os_free(str);
3023}
3024
3025
b41f2684
CL		 3026static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
3027 union wpa_event_data *data)
3028{
3029 wpa_dbg(wpa_s, MSG_DEBUG,
3030 "Connection authorized by device, previous state %d",
3031 wpa_s->wpa_state);
3032 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3033 wpa_supplicant_cancel_auth_timeout(wpa_s);
3034 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3035 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3036 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3037 }
3038 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
3039 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
98cd3d1c
JM		 3040 data->assoc_info.ptk_kck_len,
3041 data->assoc_info.ptk_kek,
3042 data->assoc_info.ptk_kek_len);
b41f2684
CL		 3043}
3044
3045
9646a8ab 3046void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 3047 union wpa_event_data *data)
3048{
3049 struct wpa_supplicant *wpa_s = ctx;
3050
8401a6b0
JM		 3051 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
3052 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb
JM		 3053 event != EVENT_INTERFACE_STATUS &&
3054 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 3055 wpa_dbg(wpa_s, MSG_DEBUG,
3056 "Ignore event %s (%d) while interface is disabled",
3057 event_to_string(event), event);
8401a6b0
JM		 3058 return;
3059 }
3060
74781dfc
JM		 3061#ifndef CONFIG_NO_STDOUT_DEBUG
3062{
3063 int level = MSG_DEBUG;
3064
eab6f5e0 3065 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 3066 const struct ieee80211_hdr *hdr;
3067 u16 fc;
3068 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
3069 fc = le_to_host16(hdr->frame_control);
3070 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3071 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
3072 level = MSG_EXCESSIVE;
3073 }
3074
3075 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 3076 event_to_string(event), event);
74781dfc
JM		 3077}
3078#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 3079
6fc6879b 3080 switch (event) {
c2a04078
JM		 3081 case EVENT_AUTH:
3082 sme_event_auth(wpa_s, data);
3083 break;
6fc6879b
JM		 3084 case EVENT_ASSOC:
3085 wpa_supplicant_event_assoc(wpa_s, data);
b41f2684
CL		 3086 if (data && data->assoc_info.authorized)
3087 wpa_supplicant_event_assoc_auth(wpa_s, data);
6fc6879b
JM		 3088 break;
3089 case EVENT_DISASSOC:
d7df0fa7
JM		 3090 wpas_event_disassoc(wpa_s,
3091 data ? &data->disassoc_info : NULL);
3092 break;
a84ed99e 3093 case EVENT_DEAUTH:
d7df0fa7
JM		 3094 wpas_event_deauth(wpa_s,
3095 data ? &data->deauth_info : NULL);
6fc6879b
JM		 3096 break;
3097 case EVENT_MICHAEL_MIC_FAILURE:
3098 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
3099 break;
3100#ifndef CONFIG_NO_SCAN_PROCESSING
a5f40eff 3101 case EVENT_SCAN_STARTED:
dc3906cb 3102 os_get_reltime(&wpa_s->scan_start_time);
a5f40eff 3103 if (wpa_s->own_scan_requested) {
dc3906cb
JM		 3104 struct os_reltime diff;
3105
3106 os_reltime_sub(&wpa_s->scan_start_time,
3107 &wpa_s->scan_trigger_time, &diff);
3108 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
3109 diff.sec, diff.usec);
a5f40eff
JM		 3110 wpa_s->own_scan_requested = 0;
3111 wpa_s->own_scan_running = 1;
d81c73be
JM		 3112 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
3113 wpa_s->manual_scan_use_id) {
abc05534
DS		 3114 wpa_msg_ctrl(wpa_s, MSG_INFO,
3115 WPA_EVENT_SCAN_STARTED "id=%u",
3116 wpa_s->manual_scan_id);
d81c73be 3117 } else {
abc05534
DS		 3118 wpa_msg_ctrl(wpa_s, MSG_INFO,
3119 WPA_EVENT_SCAN_STARTED);
d81c73be 3120 }
a5f40eff
JM		 3121 } else {
3122 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
d90bfa97 3123 wpa_s->radio->external_scan_running = 1;
abc05534 3124 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
a5f40eff
JM		 3125 }
3126 break;
6fc6879b 3127 case EVENT_SCAN_RESULTS:
dc3906cb
JM		 3128 if (os_reltime_initialized(&wpa_s->scan_start_time)) {
3129 struct os_reltime now, diff;
3130 os_get_reltime(&now);
3131 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
3132 wpa_s->scan_start_time.sec = 0;
3133 wpa_s->scan_start_time.usec = 0;
3134 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
3135 diff.sec, diff.usec);
3136 }
b0e669be
JM		 3137 if (wpa_supplicant_event_scan_results(wpa_s, data))
3138 break; /* interface may have been removed */
a5f40eff 3139 wpa_s->own_scan_running = 0;
d90bfa97 3140 wpa_s->radio->external_scan_running = 0;
6428d0a7 3141 radio_work_check_next(wpa_s);
6fc6879b
JM		 3142 break;
3143#endif /* CONFIG_NO_SCAN_PROCESSING */
3144 case EVENT_ASSOCINFO:
3145 wpa_supplicant_event_associnfo(wpa_s, data);
3146 break;
3147 case EVENT_INTERFACE_STATUS:
3148 wpa_supplicant_event_interface_status(wpa_s, data);
3149 break;
3150 case EVENT_PMKID_CANDIDATE:
3151 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
3152 break;
3153#ifdef CONFIG_PEERKEY
3154 case EVENT_STKSTART:
3155 wpa_supplicant_event_stkstart(wpa_s, data);
3156 break;
3157#endif /* CONFIG_PEERKEY */
281ff0aa
GP		 3158#ifdef CONFIG_TDLS
3159 case EVENT_TDLS:
3160 wpa_supplicant_event_tdls(wpa_s, data);
3161 break;
3162#endif /* CONFIG_TDLS */
ad3872a3 3163#ifdef CONFIG_WNM
75cad1a0
XC		 3164 case EVENT_WNM:
3165 wpa_supplicant_event_wnm(wpa_s, data);
3166 break;
ad3872a3 3167#endif /* CONFIG_WNM */
6fc6879b
JM		 3168#ifdef CONFIG_IEEE80211R
3169 case EVENT_FT_RESPONSE:
3170 wpa_supplicant_event_ft_response(wpa_s, data);
3171 break;
3172#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 3173#ifdef CONFIG_IBSS_RSN
3174 case EVENT_IBSS_RSN_START:
3175 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
3176 break;
3177#endif /* CONFIG_IBSS_RSN */
efa46078 3178 case EVENT_ASSOC_REJECT:
c05d6d18
JM		 3179 if (data->assoc_reject.bssid)
3180 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3181 "bssid=" MACSTR " status_code=%u",
3182 MAC2STR(data->assoc_reject.bssid),
3183 data->assoc_reject.status_code);
3184 else
3185 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3186 "status_code=%u",
3187 data->assoc_reject.status_code);
ea78c315
JM		 3188 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3189 sme_event_assoc_reject(wpa_s, data);
10737aba
JM		 3190 else {
3191 const u8 *bssid = data->assoc_reject.bssid;
3192 if (bssid == NULL || is_zero_ether_addr(bssid))
3193 bssid = wpa_s->pending_bssid;
3194 wpas_connection_failed(wpa_s, bssid);
3195 wpa_supplicant_mark_disassoc(wpa_s);
3196 }
efa46078 3197 break;
da1fb17c 3198 case EVENT_AUTH_TIMED_OUT:
9a700ff9
JM		 3199 /* It is possible to get this event from earlier connection */
3200 if (wpa_s->current_ssid &&
3201 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3202 wpa_dbg(wpa_s, MSG_DEBUG,
3203 "Ignore AUTH_TIMED_OUT in mesh configuration");
3204 break;
3205 }
ea78c315
JM		 3206 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3207 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 3208 break;
3209 case EVENT_ASSOC_TIMED_OUT:
9a700ff9
JM		 3210 /* It is possible to get this event from earlier connection */
3211 if (wpa_s->current_ssid &&
3212 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3213 wpa_dbg(wpa_s, MSG_DEBUG,
3214 "Ignore ASSOC_TIMED_OUT in mesh configuration");
3215 break;
3216 }
ea78c315
JM		 3217 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3218 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 3219 break;
f8b1f695 3220 case EVENT_TX_STATUS:
f049052b
BG		 3221 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
3222 " type=%d stype=%d",
3223 MAC2STR(data->tx_status.dst),
3224 data->tx_status.type, data->tx_status.stype);
24f6497c 3225#ifdef CONFIG_AP
9bae1be0 3226 if (wpa_s->ap_iface == NULL) {
24f6497c 3227#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 3228 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3229 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 3230 offchannel_send_action_tx_status(
9bae1be0
JM		 3231 wpa_s, data->tx_status.dst,
3232 data->tx_status.data,
3233 data->tx_status.data_len,
93b7ddd0 3234 data->tx_status.ack ?
24f6497c
JM		 3235 OFFCHANNEL_SEND_ACTION_SUCCESS :
3236 OFFCHANNEL_SEND_ACTION_NO_ACK);
3237#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 3238 break;
3239 }
24f6497c
JM		 3240#endif /* CONFIG_AP */
3241#ifdef CONFIG_OFFCHANNEL
f049052b
BG		 3242 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
3243 MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
9bae1be0
JM		 3244 /*
3245 * Catch TX status events for Action frames we sent via group
3246 * interface in GO mode.
3247 */
3248 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3249 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
3250 os_memcmp(wpa_s->parent->pending_action_dst,
3251 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 3252 offchannel_send_action_tx_status(
9bae1be0
JM		 3253 wpa_s->parent, data->tx_status.dst,
3254 data->tx_status.data,
3255 data->tx_status.data_len,
1d39378a 3256 data->tx_status.ack ?
24f6497c
JM		 3257 OFFCHANNEL_SEND_ACTION_SUCCESS :
3258 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 3259 break;
9bae1be0 3260 }
24f6497c
JM		 3261#endif /* CONFIG_OFFCHANNEL */
3262#ifdef CONFIG_AP
f8b1f695
JM		 3263 switch (data->tx_status.type) {
3264 case WLAN_FC_TYPE_MGMT:
3265 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
3266 data->tx_status.data_len,
3267 data->tx_status.stype,
3268 data->tx_status.ack);
3269 break;
3270 case WLAN_FC_TYPE_DATA:
3271 ap_tx_status(wpa_s, data->tx_status.dst,
3272 data->tx_status.data,
3273 data->tx_status.data_len,
3274 data->tx_status.ack);
3275 break;
3276 }
24f6497c 3277#endif /* CONFIG_AP */
f8b1f695 3278 break;
24f6497c 3279#ifdef CONFIG_AP
dd840f79
JB		 3280 case EVENT_EAPOL_TX_STATUS:
3281 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
3282 data->eapol_tx_status.data,
3283 data->eapol_tx_status.data_len,
3284 data->eapol_tx_status.ack);
3285 break;
bcf24348
JB		 3286 case EVENT_DRIVER_CLIENT_POLL_OK:
3287 ap_client_poll_ok(wpa_s, data->client_poll.addr);
3288 break;
f8b1f695
JM		 3289 case EVENT_RX_FROM_UNKNOWN:
3290 if (wpa_s->ap_iface == NULL)
3291 break;
9b90955e
JB		 3292 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
3293 data->rx_from_unknown.wds);
f8b1f695 3294 break;
1b487b8b
TP		 3295 case EVENT_CH_SWITCH:
3296 if (!data)
3297 break;
3298 if (!wpa_s->ap_iface) {
3299 wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch "
3300 "event in non-AP mode");
3301 break;
3302 }
3303
1b487b8b
TP		 3304 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
3305 data->ch_switch.ht_enabled,
8d1fdde7
JD		 3306 data->ch_switch.ch_offset,
3307 data->ch_switch.ch_width,
3308 data->ch_switch.cf1,
3309 data->ch_switch.cf2);
1b487b8b 3310 break;
bd0f68c4
AK		 3311#ifdef NEED_AP_MLME
3312 case EVENT_DFS_RADAR_DETECTED:
3313 if (data)
3314 wpas_event_dfs_radar_detected(wpa_s, &data->dfs_event);
3315 break;
3316 case EVENT_DFS_CAC_STARTED:
3317 if (data)
3318 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
3319 break;
3320 case EVENT_DFS_CAC_FINISHED:
3321 if (data)
3322 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
3323 break;
3324 case EVENT_DFS_CAC_ABORTED:
3325 if (data)
3326 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
3327 break;
3328 case EVENT_DFS_NOP_FINISHED:
3329 if (data)
3330 wpas_event_dfs_cac_nop_finished(wpa_s,
3331 &data->dfs_event);
3332 break;
3333#endif /* NEED_AP_MLME */
13adc57b 3334#endif /* CONFIG_AP */
2d43d37f
JB		 3335 case EVENT_RX_MGMT: {
3336 u16 fc, stype;
3337 const struct ieee80211_mgmt *mgmt;
3338
60b893df
JM		 3339#ifdef CONFIG_TESTING_OPTIONS
3340 if (wpa_s->ext_mgmt_frame_handling) {
3341 struct rx_mgmt *rx = &data->rx_mgmt;
3342 size_t hex_len = 2 * rx->frame_len + 1;
3343 char *hex = os_malloc(hex_len);
3344 if (hex) {
3345 wpa_snprintf_hex(hex, hex_len,
3346 rx->frame, rx->frame_len);
3347 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
3348 rx->freq, rx->datarate, rx->ssi_signal,
3349 hex);
3350 os_free(hex);
3351 }
3352 break;
3353 }
3354#endif /* CONFIG_TESTING_OPTIONS */
3355
2d43d37f
JB		 3356 mgmt = (const struct ieee80211_mgmt *)
3357 data->rx_mgmt.frame;
3358 fc = le_to_host16(mgmt->frame_control);
3359 stype = WLAN_FC_GET_STYPE(fc);
3360
13adc57b 3361#ifdef CONFIG_AP
9bae1be0 3362 if (wpa_s->ap_iface == NULL) {
13adc57b 3363#endif /* CONFIG_AP */
9bae1be0 3364#ifdef CONFIG_P2P
9bae1be0
JM		 3365 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3366 data->rx_mgmt.frame_len > 24) {
3367 const u8 *src = mgmt->sa;
3368 const u8 *ie = mgmt->u.probe_req.variable;
3369 size_t ie_len = data->rx_mgmt.frame_len -
3370 (mgmt->u.probe_req.variable -
3371 data->rx_mgmt.frame);
baf513d6
JB		 3372 wpas_p2p_probe_req_rx(
3373 wpa_s, src, mgmt->da,
3374 mgmt->bssid, ie, ie_len,
3375 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 3376 break;
3377 }
3378#endif /* CONFIG_P2P */
13adc57b 3379#ifdef CONFIG_IBSS_RSN
5f92659d
BC		 3380 if (wpa_s->current_ssid &&
3381 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
3382 stype == WLAN_FC_STYPE_AUTH &&
13adc57b
AQ		 3383 data->rx_mgmt.frame_len >= 30) {
3384 wpa_supplicant_event_ibss_auth(wpa_s, data);
3385 break;
3386 }
3387#endif /* CONFIG_IBSS_RSN */
dbfb8e82
JM		 3388
3389 if (stype == WLAN_FC_STYPE_ACTION) {
3390 wpas_event_rx_mgmt_action(
70d95373
JM		 3391 wpa_s, data->rx_mgmt.frame,
3392 data->rx_mgmt.frame_len,
70d1e728
AO		 3393 data->rx_mgmt.freq,
3394 data->rx_mgmt.ssi_signal);
dbfb8e82
JM		 3395 break;
3396 }
3397
5f92659d
BC		 3398 if (wpa_s->ifmsh) {
3399 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
3400 break;
3401 }
3402
f049052b
BG		 3403 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
3404 "management frame in non-AP mode");
f8b1f695 3405 break;
13adc57b 3406#ifdef CONFIG_AP
9bae1be0 3407 }
2d43d37f
JB		 3408
3409 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3410 data->rx_mgmt.frame_len > 24) {
3411 const u8 *ie = mgmt->u.probe_req.variable;
3412 size_t ie_len = data->rx_mgmt.frame_len -
3413 (mgmt->u.probe_req.variable -
3414 data->rx_mgmt.frame);
3415
3416 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
3417 mgmt->bssid, ie, ie_len,
3418 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 3419 }
3420
2a8b7416 3421 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
13adc57b 3422#endif /* CONFIG_AP */
f8b1f695 3423 break;
2d43d37f 3424 }
e67b55fb 3425 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 3426 if (data->rx_probe_req.sa == NULL ||
3427 data->rx_probe_req.ie == NULL)
3428 break;
e67b55fb
JM		 3429#ifdef CONFIG_AP
3430 if (wpa_s->ap_iface) {
3431 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
3432 data->rx_probe_req.sa,
04a85e44
JM		 3433 data->rx_probe_req.da,
3434 data->rx_probe_req.bssid,
e67b55fb 3435 data->rx_probe_req.ie,
baf513d6
JB		 3436 data->rx_probe_req.ie_len,
3437 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 3438 break;
3439 }
3440#endif /* CONFIG_AP */
e67b55fb 3441 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 3442 data->rx_probe_req.da,
3443 data->rx_probe_req.bssid,
e67b55fb 3444 data->rx_probe_req.ie,
baf513d6
JB		 3445 data->rx_probe_req.ie_len,
3446 data->rx_probe_req.ssi_signal);
036f7c4a 3447 break;
9bae1be0 3448 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 3449#ifdef CONFIG_OFFCHANNEL
3450 offchannel_remain_on_channel_cb(
3451 wpa_s, data->remain_on_channel.freq,
3452 data->remain_on_channel.duration);
3453#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 3454 wpas_p2p_remain_on_channel_cb(
3455 wpa_s, data->remain_on_channel.freq,
3456 data->remain_on_channel.duration);
3457 break;
3458 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 3459#ifdef CONFIG_OFFCHANNEL
3460 offchannel_cancel_remain_on_channel_cb(
3461 wpa_s, data->remain_on_channel.freq);
3462#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 3463 wpas_p2p_cancel_remain_on_channel_cb(
3464 wpa_s, data->remain_on_channel.freq);
3465 break;
a8e0505b
JM		 3466 case EVENT_EAPOL_RX:
3467 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
3468 data->eapol_rx.data,
3469 data->eapol_rx.data_len);
3470 break;
e2f74005 3471 case EVENT_SIGNAL_CHANGE:
0cd86028
JM		 3472 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
3473 "above=%d signal=%d noise=%d txrate=%d",
3474 data->signal_change.above_threshold,
3475 data->signal_change.current_signal,
3476 data->signal_change.current_noise,
3477 data->signal_change.current_txrate);
71d77adb
MM		 3478 wpa_bss_update_level(wpa_s->current_bss,
3479 data->signal_change.current_signal);
e2f74005 3480 bgscan_notify_signal_change(
60a972a6 3481 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 3482 data->signal_change.current_signal,
3483 data->signal_change.current_noise,
3484 data->signal_change.current_txrate);
e2f74005 3485 break;
8401a6b0 3486 case EVENT_INTERFACE_ENABLED:
f049052b 3487 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 3488 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 3489 wpa_supplicant_update_mac_addr(wpa_s);
782e2f78
IP		 3490 if (wpa_s->p2p_mgmt) {
3491 wpa_supplicant_set_state(wpa_s,
3492 WPA_DISCONNECTED);
3493 break;
3494 }
3495
199716ad 3496#ifdef CONFIG_AP
9919f7a2
JB		 3497 if (!wpa_s->ap_iface) {
3498 wpa_supplicant_set_state(wpa_s,
3499 WPA_DISCONNECTED);
635874b5 3500 wpa_s->scan_req = NORMAL_SCAN_REQ;
9919f7a2
JB		 3501 wpa_supplicant_req_scan(wpa_s, 0, 0);
3502 } else
3503 wpa_supplicant_set_state(wpa_s,
3504 WPA_COMPLETED);
199716ad
BG		 3505#else /* CONFIG_AP */
3506 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
3507 wpa_supplicant_req_scan(wpa_s, 0, 0);
3508#endif /* CONFIG_AP */
8401a6b0
JM		 3509 }
3510 break;
3511 case EVENT_INTERFACE_DISABLED:
f049052b 3512 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
6f72577f
IP		 3513#ifdef CONFIG_P2P
3514 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
3515 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
3516 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
635874b5
JM		 3517 /*
3518 * Mark interface disabled if this happens to end up not
3519 * being removed as a separate P2P group interface.
3520 */
3521 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6f72577f
IP		 3522 /*
3523 * The interface was externally disabled. Remove
3524 * it assuming an external entity will start a
3525 * new session if needed.
3526 */
8f2cf379
JM		 3527 if (wpa_s->current_ssid &&
3528 wpa_s->current_ssid->p2p_group)
3529 wpas_p2p_interface_unavailable(wpa_s);
3530 else
3531 wpas_p2p_disconnect(wpa_s);
635874b5
JM		 3532 /*
3533 * wpa_s instance may have been freed, so must not use
3534 * it here anymore.
3535 */
6f72577f
IP		 3536 break;
3537 }
c71c2416
JM		 3538 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
3539 p2p_in_progress(wpa_s->global->p2p) > 1) {
3540 /* This radio work will be cancelled, so clear P2P
3541 * state as well.
3542 */
3543 p2p_stop_find(wpa_s->global->p2p);
3544 }
6f72577f
IP		 3545#endif /* CONFIG_P2P */
3546
b7a6702f
JM		 3547 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
3548 /*
3549 * Indicate disconnection to keep ctrl_iface events
3550 * consistent.
3551 */
3552 wpa_supplicant_event_disassoc(
3553 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
3554 }
8401a6b0 3555 wpa_supplicant_mark_disassoc(wpa_s);
b3253ebb
AO		 3556 radio_remove_works(wpa_s, NULL, 0);
3557
8401a6b0
JM		 3558 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3559 break;
b5c9da8d 3560 case EVENT_CHANNEL_LIST_CHANGED:
142817b2
JM		 3561 wpa_supplicant_update_channel_list(
3562 wpa_s, &data->channel_list_changed);
c973f386
JM		 3563 break;
3564 case EVENT_INTERFACE_UNAVAILABLE:
c973f386 3565 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 3566 break;
3567 case EVENT_BEST_CHANNEL:
f049052b
BG		 3568 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
3569 "(%d %d %d)",
3570 data->best_chan.freq_24, data->best_chan.freq_5,
3571 data->best_chan.freq_overall);
7cfc4ac3
AGS		 3572 wpa_s->best_24_freq = data->best_chan.freq_24;
3573 wpa_s->best_5_freq = data->best_chan.freq_5;
3574 wpa_s->best_overall_freq = data->best_chan.freq_overall;
7cfc4ac3
AGS		 3575 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
3576 data->best_chan.freq_5,
3577 data->best_chan.freq_overall);
b5c9da8d 3578 break;
7d878ca7
JM		 3579 case EVENT_UNPROT_DEAUTH:
3580 wpa_supplicant_event_unprot_deauth(wpa_s,
3581 &data->unprot_deauth);
3582 break;
3583 case EVENT_UNPROT_DISASSOC:
3584 wpa_supplicant_event_unprot_disassoc(wpa_s,
3585 &data->unprot_disassoc);
3586 break;
0d7e5a3a
JB		 3587 case EVENT_STATION_LOW_ACK:
3588#ifdef CONFIG_AP
3589 if (wpa_s->ap_iface && data)
3590 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
3591 data->low_ack.addr);
3592#endif /* CONFIG_AP */
8f15f711
AN		 3593#ifdef CONFIG_TDLS
3594 if (data)
947f900f
AN		 3595 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
3596 data->low_ack.addr);
8f15f711 3597#endif /* CONFIG_TDLS */
0d7e5a3a 3598 break;
ea244d21
XC		 3599 case EVENT_IBSS_PEER_LOST:
3600#ifdef CONFIG_IBSS_RSN
3601 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
3602#endif /* CONFIG_IBSS_RSN */
3603 break;
b14a210c
JB		 3604 case EVENT_DRIVER_GTK_REKEY:
3605 if (os_memcmp(data->driver_gtk_rekey.bssid,
3606 wpa_s->bssid, ETH_ALEN))
3607 break;
3608 if (!wpa_s->wpa)
3609 break;
3610 wpa_sm_update_replay_ctr(wpa_s->wpa,
3611 data->driver_gtk_rekey.replay_ctr);
3612 break;
cbdf3507 3613 case EVENT_SCHED_SCAN_STOPPED:
dd271857 3614 wpa_s->pno = 0;
cbdf3507
LC		 3615 wpa_s->sched_scanning = 0;
3616 wpa_supplicant_notify_scanning(wpa_s, 0);
3617
9b6f44cb
JM		 3618 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3619 break;
3620
cbdf3507 3621 /*
cf70d298
RM		 3622 * Start a new sched scan to continue searching for more SSIDs
3623 * either if timed out or PNO schedule scan is pending.
cbdf3507 3624 */
5e3ddf4d
AB		 3625 if (wpa_s->sched_scan_timed_out) {
3626 wpa_supplicant_req_sched_scan(wpa_s);
3627 } else if (wpa_s->pno_sched_pending) {
3628 wpa_s->pno_sched_pending = 0;
3629 wpas_start_pno(wpa_s);
cf70d298
RM		 3630 }
3631
cbdf3507 3632 break;
783fcb7d
GG		 3633 case EVENT_WPS_BUTTON_PUSHED:
3634#ifdef CONFIG_WPS
3635 wpas_wps_start_pbc(wpa_s, NULL, 0);
3636#endif /* CONFIG_WPS */
3637 break;
253f2e37
AH		 3638 case EVENT_AVOID_FREQUENCIES:
3639 wpa_supplicant_notify_avoid_freq(wpa_s, data);
3640 break;
3140803b
RM		 3641 case EVENT_CONNECT_FAILED_REASON:
3642#ifdef CONFIG_AP
3643 if (!wpa_s->ap_iface || !data)
3644 break;
3645 hostapd_event_connect_failed_reason(
3646 wpa_s->ap_iface->bss[0],
3647 data->connect_failed_reason.addr,
3648 data->connect_failed_reason.code);
3649#endif /* CONFIG_AP */
3650 break;
8319e312 3651 case EVENT_NEW_PEER_CANDIDATE:
eac02316
MH		 3652#ifdef CONFIG_MESH
3653 if (!wpa_s->ifmsh || !data)
3654 break;
8319e312
TP		 3655 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
3656 data->mesh_peer.ies,
3657 data->mesh_peer.ie_len);
eac02316 3658#endif /* CONFIG_MESH */
8319e312 3659 break;
6fc6879b 3660 default:
f049052b 3661 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 3662 break;
3663 }
3664}
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