blob: 7700595144ca0921103afcc9a9c053c21cdb24ad [file] [log] [blame]
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * WPA Supplicant - Driver event processing
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "eapol_supp/eapol_supp_sm.h"
13#include "rsn_supp/wpa.h"
14#include "eloop.h"
15#include "config.h"
16#include "l2_packet/l2_packet.h"
17#include "wpa_supplicant_i.h"
18#include "driver_i.h"
19#include "pcsc_funcs.h"
20#include "rsn_supp/preauth.h"
21#include "rsn_supp/pmksa_cache.h"
22#include "common/wpa_ctrl.h"
23#include "eap_peer/eap.h"
24#include "ap/hostapd.h"
25#include "p2p/p2p.h"
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070026#include "wnm_sta.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070027#include "notify.h"
28#include "common/ieee802_11_defs.h"
29#include "common/ieee802_11_common.h"
30#include "crypto/random.h"
31#include "blacklist.h"
32#include "wpas_glue.h"
33#include "wps_supplicant.h"
34#include "ibss_rsn.h"
35#include "sme.h"
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080036#include "gas_query.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070037#include "p2p_supplicant.h"
38#include "bgscan.h"
Dmitry Shmidt04949592012-07-19 12:16:46 -070039#include "autoscan.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070040#include "ap.h"
41#include "bss.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070042#include "scan.h"
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080043#include "offchannel.h"
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070044#include "interworking.h"
45
46
Dmitry Shmidt34af3062013-07-11 10:46:32 -070047#ifndef CONFIG_NO_SCAN_PROCESSING
Dmitry Shmidt8da800a2013-04-24 12:57:01 -070048static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
49 int new_scan);
Dmitry Shmidt34af3062013-07-11 10:46:32 -070050#endif /* CONFIG_NO_SCAN_PROCESSING */
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -080051
52
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070053static int wpas_temp_disabled(struct wpa_supplicant *wpa_s,
54 struct wpa_ssid *ssid)
55{
56 struct os_time now;
57
58 if (ssid == NULL || ssid->disabled_until.sec == 0)
59 return 0;
60
61 os_get_time(&now);
62 if (ssid->disabled_until.sec > now.sec)
63 return ssid->disabled_until.sec - now.sec;
64
65 wpas_clear_temp_disabled(wpa_s, ssid, 0);
66
67 return 0;
68}
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070069
70
71static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
72{
73 struct wpa_ssid *ssid, *old_ssid;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070074 int res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070075
76 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
77 return 0;
78
79 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
80 "information");
81 ssid = wpa_supplicant_get_ssid(wpa_s);
82 if (ssid == NULL) {
83 wpa_msg(wpa_s, MSG_INFO,
84 "No network configuration found for the current AP");
85 return -1;
86 }
87
Dmitry Shmidt04949592012-07-19 12:16:46 -070088 if (wpas_network_disabled(wpa_s, ssid)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070089 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
90 return -1;
91 }
92
Dmitry Shmidtd5e49232012-12-03 15:08:10 -080093 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
94 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
95 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
96 return -1;
97 }
98
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070099 res = wpas_temp_disabled(wpa_s, ssid);
100 if (res > 0) {
101 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
102 "disabled for %d second(s)", res);
103 return -1;
104 }
105
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700106 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
107 "current AP");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800108 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700109 u8 wpa_ie[80];
110 size_t wpa_ie_len = sizeof(wpa_ie);
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -0800111 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
112 wpa_ie, &wpa_ie_len) < 0)
113 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700114 } else {
115 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
116 }
117
118 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
119 eapol_sm_invalidate_cached_session(wpa_s->eapol);
120 old_ssid = wpa_s->current_ssid;
121 wpa_s->current_ssid = ssid;
122 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
123 wpa_supplicant_initiate_eapol(wpa_s);
124 if (old_ssid != wpa_s->current_ssid)
125 wpas_notify_network_changed(wpa_s);
126
127 return 0;
128}
129
130
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800131void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700132{
133 struct wpa_supplicant *wpa_s = eloop_ctx;
134
135 if (wpa_s->countermeasures) {
136 wpa_s->countermeasures = 0;
137 wpa_drv_set_countermeasures(wpa_s, 0);
138 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
139 wpa_supplicant_req_scan(wpa_s, 0, 0);
140 }
141}
142
143
144void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
145{
146 int bssid_changed;
147
Dmitry Shmidt04949592012-07-19 12:16:46 -0700148 wnm_bss_keep_alive_deinit(wpa_s);
149
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700150#ifdef CONFIG_IBSS_RSN
151 ibss_rsn_deinit(wpa_s->ibss_rsn);
152 wpa_s->ibss_rsn = NULL;
153#endif /* CONFIG_IBSS_RSN */
154
Dmitry Shmidtc55524a2011-07-07 11:18:38 -0700155#ifdef CONFIG_AP
156 wpa_supplicant_ap_deinit(wpa_s);
157#endif /* CONFIG_AP */
158
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700159 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
160 return;
161
162 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800163#ifdef ANDROID
Dmitry Shmidt43007fd2011-04-11 15:58:40 -0700164 wpa_s->conf->ap_scan = DEFAULT_AP_SCAN;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800165#endif
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700166 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
167 os_memset(wpa_s->bssid, 0, ETH_ALEN);
168 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700169#ifdef CONFIG_SME
170 wpa_s->sme.prev_bssid_set = 0;
171#endif /* CONFIG_SME */
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800172#ifdef CONFIG_P2P
173 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
174#endif /* CONFIG_P2P */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700175 wpa_s->current_bss = NULL;
176 wpa_s->assoc_freq = 0;
Dmitry Shmidtc55524a2011-07-07 11:18:38 -0700177#ifdef CONFIG_IEEE80211R
178#ifdef CONFIG_SME
179 if (wpa_s->sme.ft_ies)
180 sme_update_ft_ies(wpa_s, NULL, NULL, 0);
181#endif /* CONFIG_SME */
182#endif /* CONFIG_IEEE80211R */
183
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700184 if (bssid_changed)
185 wpas_notify_bssid_changed(wpa_s);
186
187 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
188 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
189 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
190 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
191 wpa_s->ap_ies_from_associnfo = 0;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700192 wpa_s->current_ssid = NULL;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700193 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700194 wpa_s->key_mgmt = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700195}
196
197
198static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
199{
200 struct wpa_ie_data ie;
201 int pmksa_set = -1;
202 size_t i;
203
204 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
205 ie.pmkid == NULL)
206 return;
207
208 for (i = 0; i < ie.num_pmkid; i++) {
209 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
210 ie.pmkid + i * PMKID_LEN,
211 NULL, NULL, 0);
212 if (pmksa_set == 0) {
213 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
214 break;
215 }
216 }
217
218 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
219 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
220}
221
222
223static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
224 union wpa_event_data *data)
225{
226 if (data == NULL) {
227 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
228 "event");
229 return;
230 }
231 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
232 " index=%d preauth=%d",
233 MAC2STR(data->pmkid_candidate.bssid),
234 data->pmkid_candidate.index,
235 data->pmkid_candidate.preauth);
236
237 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
238 data->pmkid_candidate.index,
239 data->pmkid_candidate.preauth);
240}
241
242
243static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
244{
245 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
246 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
247 return 0;
248
249#ifdef IEEE8021X_EAPOL
250 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
251 wpa_s->current_ssid &&
252 !(wpa_s->current_ssid->eapol_flags &
253 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
254 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
255 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
256 * plaintext or static WEP keys). */
257 return 0;
258 }
259#endif /* IEEE8021X_EAPOL */
260
261 return 1;
262}
263
264
265/**
266 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
267 * @wpa_s: pointer to wpa_supplicant data
268 * @ssid: Configuration data for the network
269 * Returns: 0 on success, -1 on failure
270 *
271 * This function is called when starting authentication with a network that is
272 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
273 */
274int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
275 struct wpa_ssid *ssid)
276{
277#ifdef IEEE8021X_EAPOL
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800278#ifdef PCSC_FUNCS
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700279 int aka = 0, sim = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700280
281 if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
282 return 0;
283
284 if (ssid->eap.eap_methods == NULL) {
285 sim = 1;
286 aka = 1;
287 } else {
288 struct eap_method_type *eap = ssid->eap.eap_methods;
289 while (eap->vendor != EAP_VENDOR_IETF ||
290 eap->method != EAP_TYPE_NONE) {
291 if (eap->vendor == EAP_VENDOR_IETF) {
292 if (eap->method == EAP_TYPE_SIM)
293 sim = 1;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700294 else if (eap->method == EAP_TYPE_AKA ||
295 eap->method == EAP_TYPE_AKA_PRIME)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700296 aka = 1;
297 }
298 eap++;
299 }
300 }
301
302 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
303 sim = 0;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700304 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
305 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
306 NULL)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700307 aka = 0;
308
309 if (!sim && !aka) {
310 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
311 "use SIM, but neither EAP-SIM nor EAP-AKA are "
312 "enabled");
313 return 0;
314 }
315
316 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
317 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700318
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700319 wpa_s->scard = scard_init((!sim && aka) ? SCARD_USIM_ONLY :
320 SCARD_TRY_BOTH, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700321 if (wpa_s->scard == NULL) {
322 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
323 "(pcsc-lite)");
324 return -1;
325 }
326 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
327 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800328#endif /* PCSC_FUNCS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700329#endif /* IEEE8021X_EAPOL */
330
331 return 0;
332}
333
334
335#ifndef CONFIG_NO_SCAN_PROCESSING
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700336
337static int has_wep_key(struct wpa_ssid *ssid)
338{
339 int i;
340
341 for (i = 0; i < NUM_WEP_KEYS; i++) {
342 if (ssid->wep_key_len[i])
343 return 1;
344 }
345
346 return 0;
347}
348
349
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700350static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700351 struct wpa_ssid *ssid)
352{
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700353 int privacy = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700354
355 if (ssid->mixed_cell)
356 return 1;
357
358#ifdef CONFIG_WPS
359 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
360 return 1;
361#endif /* CONFIG_WPS */
362
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700363 if (has_wep_key(ssid))
364 privacy = 1;
365
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700366#ifdef IEEE8021X_EAPOL
367 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
368 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
369 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
370 privacy = 1;
371#endif /* IEEE8021X_EAPOL */
372
Jouni Malinen75ecf522011-06-27 15:19:46 -0700373 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
374 privacy = 1;
375
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700376 if (bss->caps & IEEE80211_CAP_PRIVACY)
377 return privacy;
378 return !privacy;
379}
380
381
382static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
383 struct wpa_ssid *ssid,
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700384 struct wpa_bss *bss)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700385{
386 struct wpa_ie_data ie;
387 int proto_match = 0;
388 const u8 *rsn_ie, *wpa_ie;
389 int ret;
390 int wep_ok;
391
392 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
393 if (ret >= 0)
394 return ret;
395
396 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
397 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
398 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
399 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
400 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
401
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700402 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700403 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
404 proto_match++;
405
406 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
407 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
408 "failed");
409 break;
410 }
411
412 if (wep_ok &&
413 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
414 {
415 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
416 "in RSN IE");
417 return 1;
418 }
419
420 if (!(ie.proto & ssid->proto)) {
421 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
422 "mismatch");
423 break;
424 }
425
426 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
427 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
428 "cipher mismatch");
429 break;
430 }
431
432 if (!(ie.group_cipher & ssid->group_cipher)) {
433 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
434 "cipher mismatch");
435 break;
436 }
437
438 if (!(ie.key_mgmt & ssid->key_mgmt)) {
439 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
440 "mismatch");
441 break;
442 }
443
444#ifdef CONFIG_IEEE80211W
445 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800446 (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
447 wpa_s->conf->pmf : ssid->ieee80211w) ==
448 MGMT_FRAME_PROTECTION_REQUIRED) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700449 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
450 "frame protection");
451 break;
452 }
453#endif /* CONFIG_IEEE80211W */
454
455 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
456 return 1;
457 }
458
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700459 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700460 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
461 proto_match++;
462
463 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
464 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
465 "failed");
466 break;
467 }
468
469 if (wep_ok &&
470 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
471 {
472 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
473 "in WPA IE");
474 return 1;
475 }
476
477 if (!(ie.proto & ssid->proto)) {
478 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
479 "mismatch");
480 break;
481 }
482
483 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
484 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
485 "cipher mismatch");
486 break;
487 }
488
489 if (!(ie.group_cipher & ssid->group_cipher)) {
490 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
491 "cipher mismatch");
492 break;
493 }
494
495 if (!(ie.key_mgmt & ssid->key_mgmt)) {
496 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
497 "mismatch");
498 break;
499 }
500
501 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
502 return 1;
503 }
504
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700505 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
506 !rsn_ie) {
507 wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
508 return 1;
509 }
510
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700511 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
512 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
513 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
514 return 0;
515 }
516
517 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
518 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
519 return 1;
520 }
521
522 wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
523 "WPA/WPA2");
524
525 return 0;
526}
527
528
529static int freq_allowed(int *freqs, int freq)
530{
531 int i;
532
533 if (freqs == NULL)
534 return 1;
535
536 for (i = 0; freqs[i]; i++)
537 if (freqs[i] == freq)
538 return 1;
539 return 0;
540}
541
542
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800543static int ht_supported(const struct hostapd_hw_modes *mode)
544{
545 if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
546 /*
547 * The driver did not indicate whether it supports HT. Assume
548 * it does to avoid connection issues.
549 */
550 return 1;
551 }
552
553 /*
554 * IEEE Std 802.11n-2009 20.1.1:
555 * An HT non-AP STA shall support all EQM rates for one spatial stream.
556 */
557 return mode->mcs_set[0] == 0xff;
558}
559
560
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -0700561static int vht_supported(const struct hostapd_hw_modes *mode)
562{
563 if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
564 /*
565 * The driver did not indicate whether it supports VHT. Assume
566 * it does to avoid connection issues.
567 */
568 return 1;
569 }
570
571 /*
572 * A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
573 * TODO: Verify if this complies with the standard
574 */
575 return (mode->vht_mcs_set[0] & 0x3) != 3;
576}
577
578
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700579static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800580{
581 const struct hostapd_hw_modes *mode = NULL, *modes;
582 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
583 const u8 *rate_ie;
584 int i, j, k;
585
586 if (bss->freq == 0)
587 return 1; /* Cannot do matching without knowing band */
588
589 modes = wpa_s->hw.modes;
590 if (modes == NULL) {
591 /*
592 * The driver does not provide any additional information
593 * about the utilized hardware, so allow the connection attempt
594 * to continue.
595 */
596 return 1;
597 }
598
599 for (i = 0; i < wpa_s->hw.num_modes; i++) {
600 for (j = 0; j < modes[i].num_channels; j++) {
601 int freq = modes[i].channels[j].freq;
602 if (freq == bss->freq) {
603 if (mode &&
604 mode->mode == HOSTAPD_MODE_IEEE80211G)
605 break; /* do not allow 802.11b replace
606 * 802.11g */
607 mode = &modes[i];
608 break;
609 }
610 }
611 }
612
613 if (mode == NULL)
614 return 0;
615
616 for (i = 0; i < (int) sizeof(scan_ie); i++) {
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700617 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800618 if (rate_ie == NULL)
619 continue;
620
621 for (j = 2; j < rate_ie[1] + 2; j++) {
622 int flagged = !!(rate_ie[j] & 0x80);
623 int r = (rate_ie[j] & 0x7f) * 5;
624
625 /*
626 * IEEE Std 802.11n-2009 7.3.2.2:
627 * The new BSS Membership selector value is encoded
628 * like a legacy basic rate, but it is not a rate and
629 * only indicates if the BSS members are required to
630 * support the mandatory features of Clause 20 [HT PHY]
631 * in order to join the BSS.
632 */
633 if (flagged && ((rate_ie[j] & 0x7f) ==
634 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
635 if (!ht_supported(mode)) {
636 wpa_dbg(wpa_s, MSG_DEBUG,
637 " hardware does not support "
638 "HT PHY");
639 return 0;
640 }
641 continue;
642 }
643
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -0700644 /* There's also a VHT selector for 802.11ac */
645 if (flagged && ((rate_ie[j] & 0x7f) ==
646 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
647 if (!vht_supported(mode)) {
648 wpa_dbg(wpa_s, MSG_DEBUG,
649 " hardware does not support "
650 "VHT PHY");
651 return 0;
652 }
653 continue;
654 }
655
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800656 if (!flagged)
657 continue;
658
659 /* check for legacy basic rates */
660 for (k = 0; k < mode->num_rates; k++) {
661 if (mode->rates[k] == r)
662 break;
663 }
664 if (k == mode->num_rates) {
665 /*
666 * IEEE Std 802.11-2007 7.3.2.2 demands that in
667 * order to join a BSS all required rates
668 * have to be supported by the hardware.
669 */
670 wpa_dbg(wpa_s, MSG_DEBUG, " hardware does "
671 "not support required rate %d.%d Mbps",
672 r / 10, r % 10);
673 return 0;
674 }
675 }
676 }
677
678 return 1;
679}
680
681
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800682static int bss_is_dmg(struct wpa_bss *bss)
683{
684 return bss->freq > 45000;
685}
686
687
688/*
689 * Test whether BSS is in an ESS.
690 * This is done differently in DMG (60 GHz) and non-DMG bands
691 */
692static int bss_is_ess(struct wpa_bss *bss)
693{
694 if (bss_is_dmg(bss)) {
695 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
696 IEEE80211_CAP_DMG_AP;
697 }
698
699 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
700 IEEE80211_CAP_ESS);
701}
702
703
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700704static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700705 int i, struct wpa_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700706 struct wpa_ssid *group)
707{
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700708 u8 wpa_ie_len, rsn_ie_len;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700709 int wpa;
710 struct wpa_blacklist *e;
711 const u8 *ie;
712 struct wpa_ssid *ssid;
713
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700714 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700715 wpa_ie_len = ie ? ie[1] : 0;
716
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700717 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700718 rsn_ie_len = ie ? ie[1] : 0;
719
720 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
Dmitry Shmidt96571392013-10-14 12:54:46 -0700721 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s%s",
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700722 i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700723 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
Dmitry Shmidt96571392013-10-14 12:54:46 -0700724 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "",
725 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
726 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) ?
727 " p2p" : "");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700728
729 e = wpa_blacklist_get(wpa_s, bss->bssid);
730 if (e) {
731 int limit = 1;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700732 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700733 /*
734 * When only a single network is enabled, we can
735 * trigger blacklisting on the first failure. This
736 * should not be done with multiple enabled networks to
737 * avoid getting forced to move into a worse ESS on
738 * single error if there are no other BSSes of the
739 * current ESS.
740 */
741 limit = 0;
742 }
743 if (e->count > limit) {
744 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
745 "(count=%d limit=%d)", e->count, limit);
746 return NULL;
747 }
748 }
749
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700750 if (bss->ssid_len == 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700751 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
752 return NULL;
753 }
754
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800755 if (disallowed_bssid(wpa_s, bss->bssid)) {
756 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
757 return NULL;
758 }
759
760 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
761 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
762 return NULL;
763 }
764
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700765 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
766
767 for (ssid = group; ssid; ssid = ssid->pnext) {
768 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700769 int res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700770
Dmitry Shmidt04949592012-07-19 12:16:46 -0700771 if (wpas_network_disabled(wpa_s, ssid)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700772 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
773 continue;
774 }
775
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700776 res = wpas_temp_disabled(wpa_s, ssid);
777 if (res > 0) {
778 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
779 "temporarily for %d second(s)", res);
780 continue;
781 }
782
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700783#ifdef CONFIG_WPS
784 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
785 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
786 "(WPS)");
787 continue;
788 }
789
790 if (wpa && ssid->ssid_len == 0 &&
791 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
792 check_ssid = 0;
793
794 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
795 /* Only allow wildcard SSID match if an AP
796 * advertises active WPS operation that matches
797 * with our mode. */
798 check_ssid = 1;
799 if (ssid->ssid_len == 0 &&
800 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
801 check_ssid = 0;
802 }
803#endif /* CONFIG_WPS */
804
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800805 if (ssid->bssid_set && ssid->ssid_len == 0 &&
806 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
807 check_ssid = 0;
808
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700809 if (check_ssid &&
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700810 (bss->ssid_len != ssid->ssid_len ||
811 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700812 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
813 continue;
814 }
815
816 if (ssid->bssid_set &&
817 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
818 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
819 continue;
820 }
821
822 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
823 continue;
824
825 if (!wpa &&
826 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
827 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
828 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
829 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
830 "not allowed");
831 continue;
832 }
833
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700834 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
835 has_wep_key(ssid)) {
836 wpa_dbg(wpa_s, MSG_DEBUG, " skip - ignore WPA/WPA2 AP for WEP network block");
837 continue;
838 }
839
Jouni Malinen75ecf522011-06-27 15:19:46 -0700840 if (!wpa_supplicant_match_privacy(bss, ssid)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700841 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
842 "mismatch");
843 continue;
844 }
845
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800846 if (!bss_is_ess(bss)) {
847 wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700848 continue;
849 }
850
851 if (!freq_allowed(ssid->freq_list, bss->freq)) {
852 wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
853 "allowed");
854 continue;
855 }
856
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800857 if (!rate_match(wpa_s, bss)) {
858 wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
859 "not match");
860 continue;
861 }
862
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700863#ifdef CONFIG_P2P
Dmitry Shmidt96571392013-10-14 12:54:46 -0700864 if (ssid->p2p_group &&
865 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
866 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
867 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen");
868 continue;
869 }
870
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700871 /*
872 * TODO: skip the AP if its P2P IE has Group Formation
873 * bit set in the P2P Group Capability Bitmap and we
874 * are not in Group Formation with that device.
875 */
876#endif /* CONFIG_P2P */
877
878 /* Matching configuration found */
879 return ssid;
880 }
881
882 /* No matching configuration found */
883 return NULL;
884}
885
886
887static struct wpa_bss *
888wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700889 struct wpa_ssid *group,
890 struct wpa_ssid **selected_ssid)
891{
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700892 unsigned int i;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700893
894 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
895 group->priority);
896
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700897 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
898 struct wpa_bss *bss = wpa_s->last_scan_res[i];
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700899 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group);
900 if (!*selected_ssid)
901 continue;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700902 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
903 " ssid='%s'",
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700904 MAC2STR(bss->bssid),
905 wpa_ssid_txt(bss->ssid, bss->ssid_len));
906 return bss;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700907 }
908
909 return NULL;
910}
911
912
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700913struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
914 struct wpa_ssid **selected_ssid)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700915{
916 struct wpa_bss *selected = NULL;
917 int prio;
918
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700919 if (wpa_s->last_scan_res == NULL ||
920 wpa_s->last_scan_res_used == 0)
921 return NULL; /* no scan results from last update */
922
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700923 while (selected == NULL) {
924 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
925 selected = wpa_supplicant_select_bss(
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -0700926 wpa_s, wpa_s->conf->pssid[prio],
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700927 selected_ssid);
928 if (selected)
929 break;
930 }
931
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800932 if (selected == NULL && wpa_s->blacklist &&
933 !wpa_s->countermeasures) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700934 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
935 "blacklist and try again");
936 wpa_blacklist_clear(wpa_s);
937 wpa_s->blacklist_cleared++;
938 } else if (selected == NULL)
939 break;
940 }
941
942 return selected;
943}
944
945
946static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
947 int timeout_sec, int timeout_usec)
948{
Dmitry Shmidt04949592012-07-19 12:16:46 -0700949 if (!wpa_supplicant_enabled_networks(wpa_s)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700950 /*
951 * No networks are enabled; short-circuit request so
952 * we don't wait timeout seconds before transitioning
953 * to INACTIVE state.
954 */
Dmitry Shmidtaa532512012-09-24 10:35:31 -0700955 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
956 "since there are no enabled networks");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700957 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
Dmitry Shmidtaa532512012-09-24 10:35:31 -0700958#ifdef CONFIG_P2P
959 wpa_s->sta_scan_pending = 0;
960#endif /* CONFIG_P2P */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700961 return;
962 }
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800963
964 wpa_s->scan_for_connection = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700965 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
966}
967
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800968
Dmitry Shmidt44da0252011-08-23 12:30:30 -0700969int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800970 struct wpa_bss *selected,
971 struct wpa_ssid *ssid)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700972{
973 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
974 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
975 "PBC session overlap");
976#ifdef CONFIG_P2P
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800977 if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
Dmitry Shmidt44da0252011-08-23 12:30:30 -0700978 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700979#endif /* CONFIG_P2P */
980
981#ifdef CONFIG_WPS
982 wpas_wps_cancel(wpa_s);
983#endif /* CONFIG_WPS */
Dmitry Shmidt44da0252011-08-23 12:30:30 -0700984 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700985 }
986
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -0700987 wpa_msg(wpa_s, MSG_DEBUG,
988 "Considering connect request: reassociate: %d selected: "
989 MACSTR " bssid: " MACSTR " pending: " MACSTR
990 " wpa_state: %s ssid=%p current_ssid=%p",
991 wpa_s->reassociate, MAC2STR(selected->bssid),
992 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
993 wpa_supplicant_state_txt(wpa_s->wpa_state),
994 ssid, wpa_s->current_ssid);
995
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700996 /*
997 * Do not trigger new association unless the BSSID has changed or if
998 * reassociation is requested. If we are in process of associating with
999 * the selected BSSID, do not trigger new attempt.
1000 */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001001 if (wpa_s->reassociate ||
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001002 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1003 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1004 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -07001005 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1006 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1007 0) ||
1008 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1009 ssid != wpa_s->current_ssid)))) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001010 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1011 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
Dmitry Shmidt44da0252011-08-23 12:30:30 -07001012 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001013 }
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -07001014 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1015 MAC2STR(selected->bssid));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001016 wpa_supplicant_associate(wpa_s, selected, ssid);
1017 } else {
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -07001018 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1019 "connect with the selected AP");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001020 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001021
Dmitry Shmidt44da0252011-08-23 12:30:30 -07001022 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001023}
1024
1025
1026static struct wpa_ssid *
1027wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1028{
1029 int prio;
1030 struct wpa_ssid *ssid;
1031
1032 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1033 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1034 {
Dmitry Shmidt04949592012-07-19 12:16:46 -07001035 if (wpas_network_disabled(wpa_s, ssid))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001036 continue;
1037 if (ssid->mode == IEEE80211_MODE_IBSS ||
1038 ssid->mode == IEEE80211_MODE_AP)
1039 return ssid;
1040 }
1041 }
1042 return NULL;
1043}
1044
1045
1046/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1047 * on BSS added and BSS changed events */
1048static void wpa_supplicant_rsn_preauth_scan_results(
Jouni Malinen87fd2792011-05-16 18:35:42 +03001049 struct wpa_supplicant *wpa_s)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001050{
Jouni Malinen87fd2792011-05-16 18:35:42 +03001051 struct wpa_bss *bss;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001052
1053 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1054 return;
1055
Jouni Malinen87fd2792011-05-16 18:35:42 +03001056 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001057 const u8 *ssid, *rsn;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001058
Jouni Malinen87fd2792011-05-16 18:35:42 +03001059 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001060 if (ssid == NULL)
1061 continue;
1062
Jouni Malinen87fd2792011-05-16 18:35:42 +03001063 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001064 if (rsn == NULL)
1065 continue;
1066
Jouni Malinen87fd2792011-05-16 18:35:42 +03001067 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001068 }
1069
1070}
1071
1072
1073static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1074 struct wpa_bss *selected,
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001075 struct wpa_ssid *ssid)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001076{
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001077 struct wpa_bss *current_bss = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001078 int min_diff;
1079
1080 if (wpa_s->reassociate)
1081 return 1; /* explicit request to reassociate */
1082 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1083 return 1; /* we are not associated; continue */
1084 if (wpa_s->current_ssid == NULL)
1085 return 1; /* unknown current SSID */
1086 if (wpa_s->current_ssid != ssid)
1087 return 1; /* different network block */
1088
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001089 if (wpas_driver_bss_selection(wpa_s))
1090 return 0; /* Driver-based roaming */
1091
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001092 if (wpa_s->current_ssid->ssid)
1093 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1094 wpa_s->current_ssid->ssid,
1095 wpa_s->current_ssid->ssid_len);
1096 if (!current_bss)
1097 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001098
1099 if (!current_bss)
1100 return 1; /* current BSS not seen in scan results */
1101
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001102 if (current_bss == selected)
1103 return 0;
1104
1105 if (selected->last_update_idx > current_bss->last_update_idx)
1106 return 1; /* current BSS not seen in the last scan */
1107
Dmitry Shmidt9e077672012-04-13 10:07:27 -07001108#ifndef CONFIG_NO_ROAMING
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001109 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1110 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
1111 MAC2STR(current_bss->bssid), current_bss->level);
1112 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
1113 MAC2STR(selected->bssid), selected->level);
1114
1115 if (wpa_s->current_ssid->bssid_set &&
1116 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1117 0) {
1118 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1119 "has preferred BSSID");
1120 return 1;
1121 }
1122
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08001123 if (current_bss->level < 0 && current_bss->level > selected->level) {
1124 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1125 "signal level");
1126 return 0;
1127 }
1128
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001129 min_diff = 2;
1130 if (current_bss->level < 0) {
1131 if (current_bss->level < -85)
1132 min_diff = 1;
1133 else if (current_bss->level < -80)
1134 min_diff = 2;
1135 else if (current_bss->level < -75)
1136 min_diff = 3;
1137 else if (current_bss->level < -70)
1138 min_diff = 4;
1139 else
1140 min_diff = 5;
1141 }
1142 if (abs(current_bss->level - selected->level) < min_diff) {
1143 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1144 "in signal level");
1145 return 0;
1146 }
1147
1148 return 1;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001149#else /* CONFIG_NO_ROAMING */
Dmitry Shmidtefdec2e2011-08-16 11:55:46 -07001150 return 0;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001151#endif /* CONFIG_NO_ROAMING */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001152}
1153
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001154
Jouni Malinen89ca7022012-09-14 13:03:12 -07001155/* Return != 0 if no scan results could be fetched or if scan results should not
Dmitry Shmidt04949592012-07-19 12:16:46 -07001156 * be shared with other virtual interfaces. */
Dmitry Shmidtf6c92c42012-01-26 12:57:43 -08001157static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001158 union wpa_event_data *data,
1159 int own_request)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001160{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001161 struct wpa_scan_results *scan_res;
1162 int ap = 0;
Dmitry Shmidt4530cfd2012-09-09 15:20:40 -07001163#ifndef CONFIG_NO_RANDOM_POOL
1164 size_t i, num;
1165#endif /* CONFIG_NO_RANDOM_POOL */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001166
1167#ifdef CONFIG_AP
1168 if (wpa_s->ap_iface)
1169 ap = 1;
1170#endif /* CONFIG_AP */
1171
1172 wpa_supplicant_notify_scanning(wpa_s, 0);
1173
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001174#ifdef CONFIG_P2P
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001175 if (own_request && wpa_s->global->p2p_cb_on_scan_complete &&
Jouni Malinendc7b7132012-09-14 12:53:47 -07001176 !wpa_s->global->p2p_disabled &&
Dmitry Shmidtaa532512012-09-24 10:35:31 -07001177 wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending &&
1178 !wpa_s->scan_res_handler) {
Jouni Malinendc7b7132012-09-14 12:53:47 -07001179 wpa_s->global->p2p_cb_on_scan_complete = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001180 if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
1181 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
1182 "stopped scan processing");
Jouni Malinenfa08f9e2012-09-13 18:05:55 -07001183 wpa_s->sta_scan_pending = 1;
1184 wpa_supplicant_req_scan(wpa_s, 5, 0);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001185 return -1;
1186 }
1187 }
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001188 wpa_s->sta_scan_pending = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001189#endif /* CONFIG_P2P */
1190
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001191 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1192 data ? &data->scan_info :
1193 NULL, 1);
1194 if (scan_res == NULL) {
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08001195 if (wpa_s->conf->ap_scan == 2 || ap ||
1196 wpa_s->scan_res_handler == scan_only_handler)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001197 return -1;
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001198 if (!own_request)
1199 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001200 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1201 "scanning again");
1202 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1203 return -1;
1204 }
1205
1206#ifndef CONFIG_NO_RANDOM_POOL
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001207 num = scan_res->num;
1208 if (num > 10)
1209 num = 10;
1210 for (i = 0; i < num; i++) {
1211 u8 buf[5];
1212 struct wpa_scan_res *res = scan_res->res[i];
1213 buf[0] = res->bssid[5];
1214 buf[1] = res->qual & 0xff;
1215 buf[2] = res->noise & 0xff;
1216 buf[3] = res->level & 0xff;
1217 buf[4] = res->tsf & 0xff;
1218 random_add_randomness(buf, sizeof(buf));
1219 }
1220#endif /* CONFIG_NO_RANDOM_POOL */
1221
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001222 if (own_request && wpa_s->scan_res_handler) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001223 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1224 struct wpa_scan_results *scan_res);
1225
1226 scan_res_handler = wpa_s->scan_res_handler;
1227 wpa_s->scan_res_handler = NULL;
1228 scan_res_handler(wpa_s, scan_res);
1229
1230 wpa_scan_results_free(scan_res);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001231 return -2;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001232 }
1233
1234 if (ap) {
1235 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
1236#ifdef CONFIG_AP
1237 if (wpa_s->ap_iface->scan_cb)
1238 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1239#endif /* CONFIG_AP */
1240 wpa_scan_results_free(scan_res);
1241 return 0;
1242 }
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001243
Dmitry Shmidt04949592012-07-19 12:16:46 -07001244 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available");
1245 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1246 wpas_notify_scan_results(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001247
1248 wpas_notify_scan_done(wpa_s, 1);
1249
Dmitry Shmidt04949592012-07-19 12:16:46 -07001250 if (sme_proc_obss_scan(wpa_s) > 0) {
1251 wpa_scan_results_free(scan_res);
1252 return 0;
1253 }
1254
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001255 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
1256 wpa_scan_results_free(scan_res);
1257 return 0;
1258 }
1259
Dmitry Shmidt04949592012-07-19 12:16:46 -07001260 if (autoscan_notify_scan(wpa_s, scan_res)) {
1261 wpa_scan_results_free(scan_res);
1262 return 0;
1263 }
1264
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001265 if (wpa_s->disconnected) {
1266 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
1267 wpa_scan_results_free(scan_res);
1268 return 0;
1269 }
1270
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001271 if (!wpas_driver_bss_selection(wpa_s) &&
1272 bgscan_notify_scan(wpa_s, scan_res) == 1) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001273 wpa_scan_results_free(scan_res);
1274 return 0;
1275 }
1276
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001277 wpas_wps_update_ap_info(wpa_s, scan_res);
1278
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001279 wpa_scan_results_free(scan_res);
1280
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001281 return wpas_select_network_from_last_scan(wpa_s, 1);
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001282}
1283
1284
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001285static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1286 int new_scan)
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001287{
1288 struct wpa_bss *selected;
1289 struct wpa_ssid *ssid = NULL;
1290
1291 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001292
1293 if (selected) {
1294 int skip;
Dmitry Shmidt9bce59c2012-09-11 15:06:38 -07001295 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001296 if (skip) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001297 if (new_scan)
1298 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001299 return 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001300 }
1301
Dmitry Shmidt44da0252011-08-23 12:30:30 -07001302 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001303 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
Dmitry Shmidt44da0252011-08-23 12:30:30 -07001304 return -1;
1305 }
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001306 if (new_scan)
1307 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
Jouni Malinen89ca7022012-09-14 13:03:12 -07001308 /*
1309 * Do not notify other virtual radios of scan results since we do not
1310 * want them to start other associations at the same time.
1311 */
1312 return 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001313 } else {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001314 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
1315 ssid = wpa_supplicant_pick_new_network(wpa_s);
1316 if (ssid) {
1317 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
1318 wpa_supplicant_associate(wpa_s, NULL, ssid);
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001319 if (new_scan)
1320 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001321 } else {
1322 int timeout_sec = wpa_s->scan_interval;
1323 int timeout_usec = 0;
1324#ifdef CONFIG_P2P
Dmitry Shmidt04949592012-07-19 12:16:46 -07001325 if (wpas_p2p_scan_no_go_seen(wpa_s) == 1)
1326 return 0;
1327
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001328 if (wpa_s->p2p_in_provisioning) {
1329 /*
1330 * Use shorter wait during P2P Provisioning
1331 * state to speed up group formation.
1332 */
1333 timeout_sec = 0;
1334 timeout_usec = 250000;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001335 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1336 timeout_usec);
1337 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001338 }
1339#endif /* CONFIG_P2P */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001340#ifdef CONFIG_INTERWORKING
1341 if (wpa_s->conf->auto_interworking &&
1342 wpa_s->conf->interworking &&
1343 wpa_s->conf->cred) {
1344 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1345 "start ANQP fetch since no matching "
1346 "networks found");
1347 wpa_s->network_select = 1;
1348 wpa_s->auto_network_select = 1;
1349 interworking_start_fetch_anqp(wpa_s);
Jouni Malinen89ca7022012-09-14 13:03:12 -07001350 return 1;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001351 }
1352#endif /* CONFIG_INTERWORKING */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001353 if (wpa_supplicant_req_sched_scan(wpa_s))
1354 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1355 timeout_usec);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001356 }
1357 }
1358 return 0;
1359}
1360
1361
1362static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1363 union wpa_event_data *data)
1364{
1365 const char *rn, *rn2;
1366 struct wpa_supplicant *ifs;
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001367
1368 if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001369 /*
1370 * If no scan results could be fetched, then no need to
1371 * notify those interfaces that did not actually request
Jouni Malinen89ca7022012-09-14 13:03:12 -07001372 * this scan. Similarly, if scan results started a new operation on this
1373 * interface, do not notify other interfaces to avoid concurrent
1374 * operations during a connection attempt.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001375 */
1376 return;
1377 }
1378
1379 /*
1380 * Check other interfaces to see if they have the same radio-name. If
1381 * so, they get updated with this same scan info.
1382 */
1383 if (!wpa_s->driver->get_radio_name)
1384 return;
1385
1386 rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv);
1387 if (rn == NULL || rn[0] == '\0')
1388 return;
1389
1390 wpa_dbg(wpa_s, MSG_DEBUG, "Checking for other virtual interfaces "
1391 "sharing same radio (%s) in event_scan_results", rn);
1392
1393 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
1394 if (ifs == wpa_s || !ifs->driver->get_radio_name)
1395 continue;
1396
1397 rn2 = ifs->driver->get_radio_name(ifs->drv_priv);
1398 if (rn2 && os_strcmp(rn, rn2) == 0) {
1399 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1400 "sibling", ifs->ifname);
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07001401 _wpa_supplicant_event_scan_results(ifs, data, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001402 }
1403 }
1404}
1405
1406#endif /* CONFIG_NO_SCAN_PROCESSING */
1407
1408
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08001409int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1410{
1411#ifdef CONFIG_NO_SCAN_PROCESSING
1412 return -1;
1413#else /* CONFIG_NO_SCAN_PROCESSING */
1414 struct os_time now;
1415
1416 if (wpa_s->last_scan_res_used <= 0)
1417 return -1;
1418
1419 os_get_time(&now);
1420 if (now.sec - wpa_s->last_scan.sec > 5) {
1421 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1422 return -1;
1423 }
1424
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001425 return wpas_select_network_from_last_scan(wpa_s, 0);
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08001426#endif /* CONFIG_NO_SCAN_PROCESSING */
1427}
1428
Dmitry Shmidt04949592012-07-19 12:16:46 -07001429#ifdef CONFIG_WNM
1430
1431static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1432{
1433 struct wpa_supplicant *wpa_s = eloop_ctx;
1434
1435 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1436 return;
1437
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08001438 if (!wpa_s->no_keep_alive) {
1439 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1440 MAC2STR(wpa_s->bssid));
1441 /* TODO: could skip this if normal data traffic has been sent */
1442 /* TODO: Consider using some more appropriate data frame for
1443 * this */
1444 if (wpa_s->l2)
1445 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1446 (u8 *) "", 0);
1447 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07001448
1449#ifdef CONFIG_SME
1450 if (wpa_s->sme.bss_max_idle_period) {
1451 unsigned int msec;
1452 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1453 if (msec > 100)
1454 msec -= 100;
1455 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1456 wnm_bss_keep_alive, wpa_s, NULL);
1457 }
1458#endif /* CONFIG_SME */
1459}
1460
1461
1462static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1463 const u8 *ies, size_t ies_len)
1464{
1465 struct ieee802_11_elems elems;
1466
1467 if (ies == NULL)
1468 return;
1469
1470 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1471 return;
1472
1473#ifdef CONFIG_SME
1474 if (elems.bss_max_idle_period) {
1475 unsigned int msec;
1476 wpa_s->sme.bss_max_idle_period =
1477 WPA_GET_LE16(elems.bss_max_idle_period);
1478 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1479 "TU)%s", wpa_s->sme.bss_max_idle_period,
1480 (elems.bss_max_idle_period[2] & 0x01) ?
1481 " (protected keep-live required)" : "");
1482 if (wpa_s->sme.bss_max_idle_period == 0)
1483 wpa_s->sme.bss_max_idle_period = 1;
1484 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1485 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1486 /* msec times 1000 */
1487 msec = wpa_s->sme.bss_max_idle_period * 1024;
1488 if (msec > 100)
1489 msec -= 100;
1490 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1491 wnm_bss_keep_alive, wpa_s,
1492 NULL);
1493 }
1494 }
1495#endif /* CONFIG_SME */
1496}
1497
1498#endif /* CONFIG_WNM */
1499
1500
1501void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1502{
1503#ifdef CONFIG_WNM
1504 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1505#endif /* CONFIG_WNM */
1506}
1507
1508
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001509static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1510 union wpa_event_data *data)
1511{
1512 int l, len, found = 0, wpa_found, rsn_found;
1513 const u8 *p;
Dmitry Shmidt700a1372013-03-15 14:14:44 -07001514#ifdef CONFIG_IEEE80211R
1515 u8 bssid[ETH_ALEN];
1516#endif /* CONFIG_IEEE80211R */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001517
1518 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
1519 if (data->assoc_info.req_ies)
1520 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1521 data->assoc_info.req_ies_len);
1522 if (data->assoc_info.resp_ies) {
1523 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1524 data->assoc_info.resp_ies_len);
1525#ifdef CONFIG_TDLS
1526 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1527 data->assoc_info.resp_ies_len);
1528#endif /* CONFIG_TDLS */
Dmitry Shmidt04949592012-07-19 12:16:46 -07001529#ifdef CONFIG_WNM
1530 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1531 data->assoc_info.resp_ies_len);
1532#endif /* CONFIG_WNM */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001533 }
1534 if (data->assoc_info.beacon_ies)
1535 wpa_hexdump(MSG_DEBUG, "beacon_ies",
1536 data->assoc_info.beacon_ies,
1537 data->assoc_info.beacon_ies_len);
1538 if (data->assoc_info.freq)
1539 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
1540 data->assoc_info.freq);
1541
1542 p = data->assoc_info.req_ies;
1543 l = data->assoc_info.req_ies_len;
1544
1545 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1546 while (p && l >= 2) {
1547 len = p[1] + 2;
1548 if (len > l) {
1549 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1550 p, l);
1551 break;
1552 }
1553 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1554 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1555 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1556 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1557 break;
1558 found = 1;
1559 wpa_find_assoc_pmkid(wpa_s);
1560 break;
1561 }
1562 l -= len;
1563 p += len;
1564 }
1565 if (!found && data->assoc_info.req_ies)
1566 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1567
1568#ifdef CONFIG_IEEE80211R
1569#ifdef CONFIG_SME
1570 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001571 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1572 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1573 data->assoc_info.resp_ies,
1574 data->assoc_info.resp_ies_len,
1575 bssid) < 0) {
1576 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1577 "Reassociation Response failed");
1578 wpa_supplicant_deauthenticate(
1579 wpa_s, WLAN_REASON_INVALID_IE);
1580 return -1;
1581 }
1582 }
1583
1584 p = data->assoc_info.resp_ies;
1585 l = data->assoc_info.resp_ies_len;
1586
1587#ifdef CONFIG_WPS_STRICT
1588 if (p && wpa_s->current_ssid &&
1589 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
1590 struct wpabuf *wps;
1591 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
1592 if (wps == NULL) {
1593 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
1594 "include WPS IE in (Re)Association Response");
1595 return -1;
1596 }
1597
1598 if (wps_validate_assoc_resp(wps) < 0) {
1599 wpabuf_free(wps);
1600 wpa_supplicant_deauthenticate(
1601 wpa_s, WLAN_REASON_INVALID_IE);
1602 return -1;
1603 }
1604 wpabuf_free(wps);
1605 }
1606#endif /* CONFIG_WPS_STRICT */
1607
1608 /* Go through the IEs and make a copy of the MDIE, if present. */
1609 while (p && l >= 2) {
1610 len = p[1] + 2;
1611 if (len > l) {
1612 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1613 p, l);
1614 break;
1615 }
1616 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1617 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1618 wpa_s->sme.ft_used = 1;
1619 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1620 MOBILITY_DOMAIN_ID_LEN);
1621 break;
1622 }
1623 l -= len;
1624 p += len;
1625 }
1626#endif /* CONFIG_SME */
1627
Dmitry Shmidt700a1372013-03-15 14:14:44 -07001628 /* Process FT when SME is in the driver */
1629 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
1630 wpa_ft_is_completed(wpa_s->wpa)) {
1631 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1632 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1633 data->assoc_info.resp_ies,
1634 data->assoc_info.resp_ies_len,
1635 bssid) < 0) {
1636 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1637 "Reassociation Response failed");
1638 wpa_supplicant_deauthenticate(
1639 wpa_s, WLAN_REASON_INVALID_IE);
1640 return -1;
1641 }
1642 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
1643 }
1644
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001645 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1646 data->assoc_info.resp_ies_len);
1647#endif /* CONFIG_IEEE80211R */
1648
1649 /* WPA/RSN IE from Beacon/ProbeResp */
1650 p = data->assoc_info.beacon_ies;
1651 l = data->assoc_info.beacon_ies_len;
1652
1653 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1654 */
1655 wpa_found = rsn_found = 0;
1656 while (p && l >= 2) {
1657 len = p[1] + 2;
1658 if (len > l) {
1659 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1660 p, l);
1661 break;
1662 }
1663 if (!wpa_found &&
1664 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1665 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1666 wpa_found = 1;
1667 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1668 }
1669
1670 if (!rsn_found &&
1671 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1672 rsn_found = 1;
1673 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1674 }
1675
1676 l -= len;
1677 p += len;
1678 }
1679
1680 if (!wpa_found && data->assoc_info.beacon_ies)
1681 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1682 if (!rsn_found && data->assoc_info.beacon_ies)
1683 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1684 if (wpa_found || rsn_found)
1685 wpa_s->ap_ies_from_associnfo = 1;
1686
Jouni Malinen87fd2792011-05-16 18:35:42 +03001687 if (wpa_s->assoc_freq && data->assoc_info.freq &&
1688 wpa_s->assoc_freq != data->assoc_info.freq) {
1689 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
1690 "%u to %u MHz",
1691 wpa_s->assoc_freq, data->assoc_info.freq);
1692 wpa_supplicant_update_scan_results(wpa_s);
1693 }
1694
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001695 wpa_s->assoc_freq = data->assoc_info.freq;
1696
1697 return 0;
1698}
1699
1700
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001701static struct wpa_bss * wpa_supplicant_get_new_bss(
1702 struct wpa_supplicant *wpa_s, const u8 *bssid)
1703{
1704 struct wpa_bss *bss = NULL;
1705 struct wpa_ssid *ssid = wpa_s->current_ssid;
1706
1707 if (ssid->ssid_len > 0)
1708 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
1709 if (!bss)
1710 bss = wpa_bss_get_bssid(wpa_s, bssid);
1711
1712 return bss;
1713}
1714
1715
1716static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
1717{
1718 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
1719
1720 if (!wpa_s->current_bss || !wpa_s->current_ssid)
1721 return -1;
1722
1723 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
1724 return 0;
1725
1726 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1727 WPA_IE_VENDOR_TYPE);
1728 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
1729
1730 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
1731 bss_wpa ? 2 + bss_wpa[1] : 0) ||
1732 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
1733 bss_rsn ? 2 + bss_rsn[1] : 0))
1734 return -1;
1735
1736 return 0;
1737}
1738
1739
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001740static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1741 union wpa_event_data *data)
1742{
1743 u8 bssid[ETH_ALEN];
1744 int ft_completed;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001745
1746#ifdef CONFIG_AP
1747 if (wpa_s->ap_iface) {
1748 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1749 data->assoc_info.addr,
1750 data->assoc_info.req_ies,
1751 data->assoc_info.req_ies_len,
1752 data->assoc_info.reassoc);
1753 return;
1754 }
1755#endif /* CONFIG_AP */
1756
1757 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
1758 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1759 return;
1760
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001761 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1762 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08001763 wpa_supplicant_deauthenticate(
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001764 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1765 return;
1766 }
1767
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001768 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001769 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001770 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
1771 MACSTR, MAC2STR(bssid));
1772 random_add_randomness(bssid, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001773 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1774 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001775 wpas_notify_bssid_changed(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001776
1777 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1778 wpa_clear_keys(wpa_s, bssid);
1779 }
1780 if (wpa_supplicant_select_config(wpa_s) < 0) {
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08001781 wpa_supplicant_deauthenticate(
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001782 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1783 return;
1784 }
1785 if (wpa_s->current_ssid) {
1786 struct wpa_bss *bss = NULL;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001787
1788 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1789 if (!bss) {
1790 wpa_supplicant_update_scan_results(wpa_s);
1791
1792 /* Get the BSS from the new scan results */
1793 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
1794 }
1795
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001796 if (bss)
1797 wpa_s->current_bss = bss;
1798 }
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001799
Dmitry Shmidt1e1c48d2013-02-14 16:44:44 -08001800#ifdef ANDROID
1801 if (wpa_s->conf->ap_scan == 1) {
1802#else
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001803 if (wpa_s->conf->ap_scan == 1 &&
1804 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
Dmitry Shmidt1e1c48d2013-02-14 16:44:44 -08001805#endif
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001806 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
1807 wpa_msg(wpa_s, MSG_WARNING,
1808 "WPA/RSN IEs not updated");
1809 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001810 }
1811
1812#ifdef CONFIG_SME
1813 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1814 wpa_s->sme.prev_bssid_set = 1;
1815#endif /* CONFIG_SME */
1816
1817 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1818 if (wpa_s->current_ssid) {
1819 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1820 * initialized before association, but for other modes,
1821 * initialize PC/SC here, if the current configuration needs
1822 * smartcard or SIM/USIM. */
1823 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1824 }
1825 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
1826 if (wpa_s->l2)
1827 l2_packet_notify_auth_start(wpa_s->l2);
1828
1829 /*
1830 * Set portEnabled first to FALSE in order to get EAP state machine out
1831 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1832 * state machine may transit to AUTHENTICATING state based on obsolete
1833 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1834 * AUTHENTICATED without ever giving chance to EAP state machine to
1835 * reset the state.
1836 */
1837 if (!ft_completed) {
1838 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1839 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1840 }
1841 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
1842 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1843 /* 802.1X::portControl = Auto */
1844 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1845 wpa_s->eapol_received = 0;
1846 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1847 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1848 (wpa_s->current_ssid &&
1849 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07001850 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
1851 (wpa_s->drv_flags &
1852 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
1853 /*
1854 * Set the key after having received joined-IBSS event
1855 * from the driver.
1856 */
1857 wpa_supplicant_set_wpa_none_key(wpa_s,
1858 wpa_s->current_ssid);
1859 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001860 wpa_supplicant_cancel_auth_timeout(wpa_s);
1861 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1862 } else if (!ft_completed) {
1863 /* Timeout for receiving the first EAPOL packet */
1864 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1865 }
1866 wpa_supplicant_cancel_scan(wpa_s);
1867
1868 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1869 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
1870 /*
1871 * We are done; the driver will take care of RSN 4-way
1872 * handshake.
1873 */
1874 wpa_supplicant_cancel_auth_timeout(wpa_s);
1875 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1876 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1877 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1878 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1879 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1880 /*
1881 * The driver will take care of RSN 4-way handshake, so we need
1882 * to allow EAPOL supplicant to complete its work without
1883 * waiting for WPA supplicant.
1884 */
1885 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1886 } else if (ft_completed) {
1887 /*
1888 * FT protocol completed - make sure EAPOL state machine ends
1889 * up in authenticated.
1890 */
1891 wpa_supplicant_cancel_auth_timeout(wpa_s);
1892 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1893 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1894 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1895 }
1896
Jouni Malinena05074c2012-12-21 21:35:35 +02001897 wpa_s->last_eapol_matches_bssid = 0;
1898
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001899 if (wpa_s->pending_eapol_rx) {
1900 struct os_time now, age;
1901 os_get_time(&now);
1902 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1903 if (age.sec == 0 && age.usec < 100000 &&
1904 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1905 0) {
1906 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
1907 "frame that was received just before "
1908 "association notification");
1909 wpa_supplicant_rx_eapol(
1910 wpa_s, wpa_s->pending_eapol_rx_src,
1911 wpabuf_head(wpa_s->pending_eapol_rx),
1912 wpabuf_len(wpa_s->pending_eapol_rx));
1913 }
1914 wpabuf_free(wpa_s->pending_eapol_rx);
1915 wpa_s->pending_eapol_rx = NULL;
1916 }
1917
1918 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1919 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07001920 wpa_s->current_ssid &&
1921 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001922 /* Set static WEP keys again */
1923 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1924 }
1925
1926#ifdef CONFIG_IBSS_RSN
1927 if (wpa_s->current_ssid &&
1928 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
1929 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
1930 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
1931 wpa_s->ibss_rsn == NULL) {
1932 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
1933 if (!wpa_s->ibss_rsn) {
1934 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
1935 wpa_supplicant_deauthenticate(
1936 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1937 return;
1938 }
1939
1940 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
1941 }
1942#endif /* CONFIG_IBSS_RSN */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001943
1944 wpas_wps_notify_assoc(wpa_s, bssid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001945}
1946
1947
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001948static int disconnect_reason_recoverable(u16 reason_code)
1949{
1950 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
1951 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
1952 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
1953}
1954
1955
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001956static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001957 u16 reason_code,
1958 int locally_generated)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001959{
1960 const u8 *bssid;
Jouni Malinen2b89da82012-08-31 22:04:41 +03001961
1962 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1963 /*
1964 * At least Host AP driver and a Prism3 card seemed to be
1965 * generating streams of disconnected events when configuring
1966 * IBSS for WPA-None. Ignore them for now.
1967 */
1968 return;
1969 }
1970
1971 bssid = wpa_s->bssid;
1972 if (is_zero_ether_addr(bssid))
1973 bssid = wpa_s->pending_bssid;
1974
1975 if (!is_zero_ether_addr(bssid) ||
1976 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1977 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
1978 " reason=%d%s",
1979 MAC2STR(bssid), reason_code,
1980 locally_generated ? " locally_generated=1" : "");
1981 }
1982}
1983
1984
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08001985static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
1986 int locally_generated)
1987{
1988 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
1989 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
1990 return 0; /* Not in 4-way handshake with PSK */
1991
1992 /*
1993 * It looks like connection was lost while trying to go through PSK
1994 * 4-way handshake. Filter out known disconnection cases that are caused
1995 * by something else than PSK mismatch to avoid confusing reports.
1996 */
1997
1998 if (locally_generated) {
1999 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2000 return 0;
2001 }
2002
2003 return 1;
2004}
2005
2006
Jouni Malinen2b89da82012-08-31 22:04:41 +03002007static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2008 u16 reason_code,
2009 int locally_generated)
2010{
2011 const u8 *bssid;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002012 int authenticating;
2013 u8 prev_pending_bssid[ETH_ALEN];
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002014 struct wpa_bss *fast_reconnect = NULL;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002015#ifndef CONFIG_NO_SCAN_PROCESSING
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002016 struct wpa_ssid *fast_reconnect_ssid = NULL;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002017#endif /* CONFIG_NO_SCAN_PROCESSING */
Jouni Malinenf8a26a82012-09-01 17:20:27 +03002018 struct wpa_ssid *last_ssid;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002019
2020 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2021 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
2022
2023 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2024 /*
2025 * At least Host AP driver and a Prism3 card seemed to be
2026 * generating streams of disconnected events when configuring
2027 * IBSS for WPA-None. Ignore them for now.
2028 */
2029 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2030 "IBSS/WPA-None mode");
2031 return;
2032 }
2033
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002034 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002035 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2036 "pre-shared key may be incorrect");
Dmitry Shmidt391c59f2013-09-03 12:16:28 -07002037 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2038 return; /* P2P group removed */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002039 wpas_auth_failed(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002040 }
Dmitry Shmidtea69e842013-05-13 14:52:28 -07002041 if (!wpa_s->disconnected &&
2042 (!wpa_s->auto_reconnect_disabled ||
2043 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002044 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
2045 "reconnect (wps=%d wpa_state=%d)",
2046 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
2047 wpa_s->wpa_state);
2048 if (wpa_s->wpa_state == WPA_COMPLETED &&
2049 wpa_s->current_ssid &&
2050 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08002051 !locally_generated &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002052 disconnect_reason_recoverable(reason_code)) {
2053 /*
2054 * It looks like the AP has dropped association with
2055 * us, but could allow us to get back in. Try to
2056 * reconnect to the same BSS without full scan to save
2057 * time for some common cases.
2058 */
2059 fast_reconnect = wpa_s->current_bss;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002060#ifndef CONFIG_NO_SCAN_PROCESSING
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002061 fast_reconnect_ssid = wpa_s->current_ssid;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002062#endif /* CONFIG_NO_SCAN_PROCESSING */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002063 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08002064#ifdef ANDROID
Dmitry Shmidt43007fd2011-04-11 15:58:40 -07002065 wpa_supplicant_req_scan(wpa_s, 0, 500000);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08002066#else
2067 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2068#endif
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002069 else
2070 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2071 "immediate scan");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002072 } else {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002073 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002074 "try to re-connect");
2075 wpa_s->reassociate = 0;
2076 wpa_s->disconnected = 1;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08002077 wpa_supplicant_cancel_sched_scan(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002078 }
2079 bssid = wpa_s->bssid;
2080 if (is_zero_ether_addr(bssid))
2081 bssid = wpa_s->pending_bssid;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002082 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2083 wpas_connection_failed(wpa_s, bssid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002084 wpa_sm_notify_disassoc(wpa_s->wpa);
Dmitry Shmidt04949592012-07-19 12:16:46 -07002085 if (locally_generated)
2086 wpa_s->disconnect_reason = -reason_code;
2087 else
2088 wpa_s->disconnect_reason = reason_code;
2089 wpas_notify_disconnect_reason(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002090 if (wpa_supplicant_dynamic_keys(wpa_s)) {
2091 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
2092 wpa_s->keys_cleared = 0;
2093 wpa_clear_keys(wpa_s, wpa_s->bssid);
2094 }
Jouni Malinenf8a26a82012-09-01 17:20:27 +03002095 last_ssid = wpa_s->current_ssid;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002096 wpa_supplicant_mark_disassoc(wpa_s);
2097
Jouni Malinenf8a26a82012-09-01 17:20:27 +03002098 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002099 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
Jouni Malinenf8a26a82012-09-01 17:20:27 +03002100 wpa_s->current_ssid = last_ssid;
2101 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002102
2103 if (fast_reconnect) {
2104#ifndef CONFIG_NO_SCAN_PROCESSING
2105 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2106 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2107 fast_reconnect_ssid) < 0) {
2108 /* Recover through full scan */
2109 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2110 }
2111#endif /* CONFIG_NO_SCAN_PROCESSING */
2112 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002113}
2114
2115
2116#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002117void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002118{
2119 struct wpa_supplicant *wpa_s = eloop_ctx;
2120
2121 if (!wpa_s->pending_mic_error_report)
2122 return;
2123
2124 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
2125 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2126 wpa_s->pending_mic_error_report = 0;
2127}
2128#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2129
2130
2131static void
2132wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2133 union wpa_event_data *data)
2134{
2135 int pairwise;
2136 struct os_time t;
2137
2138 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2139 pairwise = (data && data->michael_mic_failure.unicast);
2140 os_get_time(&t);
2141 if ((wpa_s->last_michael_mic_error &&
2142 t.sec - wpa_s->last_michael_mic_error <= 60) ||
2143 wpa_s->pending_mic_error_report) {
2144 if (wpa_s->pending_mic_error_report) {
2145 /*
2146 * Send the pending MIC error report immediately since
2147 * we are going to start countermeasures and AP better
2148 * do the same.
2149 */
2150 wpa_sm_key_request(wpa_s->wpa, 1,
2151 wpa_s->pending_mic_error_pairwise);
2152 }
2153
2154 /* Send the new MIC error report immediately since we are going
2155 * to start countermeasures and AP better do the same.
2156 */
2157 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2158
2159 /* initialize countermeasures */
2160 wpa_s->countermeasures = 1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002161
2162 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2163
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002164 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2165
2166 /*
2167 * Need to wait for completion of request frame. We do not get
2168 * any callback for the message completion, so just wait a
2169 * short while and hope for the best. */
2170 os_sleep(0, 10000);
2171
2172 wpa_drv_set_countermeasures(wpa_s, 1);
2173 wpa_supplicant_deauthenticate(wpa_s,
2174 WLAN_REASON_MICHAEL_MIC_FAILURE);
2175 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2176 wpa_s, NULL);
2177 eloop_register_timeout(60, 0,
2178 wpa_supplicant_stop_countermeasures,
2179 wpa_s, NULL);
2180 /* TODO: mark the AP rejected for 60 second. STA is
2181 * allowed to associate with another AP.. */
2182 } else {
2183#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2184 if (wpa_s->mic_errors_seen) {
2185 /*
2186 * Reduce the effectiveness of Michael MIC error
2187 * reports as a means for attacking against TKIP if
2188 * more than one MIC failure is noticed with the same
2189 * PTK. We delay the transmission of the reports by a
2190 * random time between 0 and 60 seconds in order to
2191 * force the attacker wait 60 seconds before getting
2192 * the information on whether a frame resulted in a MIC
2193 * failure.
2194 */
2195 u8 rval[4];
2196 int sec;
2197
2198 if (os_get_random(rval, sizeof(rval)) < 0)
2199 sec = os_random() % 60;
2200 else
2201 sec = WPA_GET_BE32(rval) % 60;
2202 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2203 "report %d seconds", sec);
2204 wpa_s->pending_mic_error_report = 1;
2205 wpa_s->pending_mic_error_pairwise = pairwise;
2206 eloop_cancel_timeout(
2207 wpa_supplicant_delayed_mic_error_report,
2208 wpa_s, NULL);
2209 eloop_register_timeout(
2210 sec, os_random() % 1000000,
2211 wpa_supplicant_delayed_mic_error_report,
2212 wpa_s, NULL);
2213 } else {
2214 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2215 }
2216#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2217 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2218#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2219 }
2220 wpa_s->last_michael_mic_error = t.sec;
2221 wpa_s->mic_errors_seen++;
2222}
2223
2224
2225#ifdef CONFIG_TERMINATE_ONLASTIF
2226static int any_interfaces(struct wpa_supplicant *head)
2227{
2228 struct wpa_supplicant *wpa_s;
2229
2230 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2231 if (!wpa_s->interface_removed)
2232 return 1;
2233 return 0;
2234}
2235#endif /* CONFIG_TERMINATE_ONLASTIF */
2236
2237
2238static void
2239wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2240 union wpa_event_data *data)
2241{
2242 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2243 return;
2244
2245 switch (data->interface_status.ievent) {
2246 case EVENT_INTERFACE_ADDED:
2247 if (!wpa_s->interface_removed)
2248 break;
2249 wpa_s->interface_removed = 0;
2250 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
2251 if (wpa_supplicant_driver_init(wpa_s) < 0) {
2252 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2253 "driver after interface was added");
2254 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07002255 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002256 break;
2257 case EVENT_INTERFACE_REMOVED:
2258 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
2259 wpa_s->interface_removed = 1;
2260 wpa_supplicant_mark_disassoc(wpa_s);
Dmitry Shmidt04949592012-07-19 12:16:46 -07002261 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002262 l2_packet_deinit(wpa_s->l2);
2263 wpa_s->l2 = NULL;
2264#ifdef CONFIG_IBSS_RSN
2265 ibss_rsn_deinit(wpa_s->ibss_rsn);
2266 wpa_s->ibss_rsn = NULL;
2267#endif /* CONFIG_IBSS_RSN */
2268#ifdef CONFIG_TERMINATE_ONLASTIF
2269 /* check if last interface */
2270 if (!any_interfaces(wpa_s->global->ifaces))
2271 eloop_terminate();
2272#endif /* CONFIG_TERMINATE_ONLASTIF */
2273 break;
2274 }
2275}
2276
2277
2278#ifdef CONFIG_PEERKEY
2279static void
2280wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2281 union wpa_event_data *data)
2282{
2283 if (data == NULL)
2284 return;
2285 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2286}
2287#endif /* CONFIG_PEERKEY */
2288
2289
2290#ifdef CONFIG_TDLS
2291static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2292 union wpa_event_data *data)
2293{
2294 if (data == NULL)
2295 return;
2296 switch (data->tdls.oper) {
2297 case TDLS_REQUEST_SETUP:
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08002298 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2299 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2300 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2301 else
2302 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002303 break;
2304 case TDLS_REQUEST_TEARDOWN:
Sunil Dutt6a9f5222013-09-30 17:10:18 +03002305 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2306 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
2307 data->tdls.reason_code);
2308 else
2309 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
2310 data->tdls.peer);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002311 break;
2312 }
2313}
2314#endif /* CONFIG_TDLS */
2315
2316
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002317#ifdef CONFIG_WNM
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002318static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2319 union wpa_event_data *data)
2320{
2321 if (data == NULL)
2322 return;
2323 switch (data->wnm.oper) {
2324 case WNM_OPER_SLEEP:
2325 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2326 "(action=%d, intval=%d)",
2327 data->wnm.sleep_action, data->wnm.sleep_intval);
2328 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002329 data->wnm.sleep_intval, NULL);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002330 break;
2331 }
2332}
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002333#endif /* CONFIG_WNM */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002334
2335
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002336#ifdef CONFIG_IEEE80211R
2337static void
2338wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2339 union wpa_event_data *data)
2340{
2341 if (data == NULL)
2342 return;
2343
2344 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2345 data->ft_ies.ies_len,
2346 data->ft_ies.ft_action,
2347 data->ft_ies.target_ap,
2348 data->ft_ies.ric_ies,
2349 data->ft_ies.ric_ies_len) < 0) {
2350 /* TODO: prevent MLME/driver from trying to associate? */
2351 }
2352}
2353#endif /* CONFIG_IEEE80211R */
2354
2355
2356#ifdef CONFIG_IBSS_RSN
2357static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2358 union wpa_event_data *data)
2359{
2360 struct wpa_ssid *ssid;
2361 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2362 return;
2363 if (data == NULL)
2364 return;
2365 ssid = wpa_s->current_ssid;
2366 if (ssid == NULL)
2367 return;
2368 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2369 return;
2370
2371 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2372}
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002373
2374
2375static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
2376 union wpa_event_data *data)
2377{
2378 struct wpa_ssid *ssid = wpa_s->current_ssid;
2379
2380 if (ssid == NULL)
2381 return;
2382
2383 /* check if the ssid is correctly configured as IBSS/RSN */
2384 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2385 return;
2386
2387 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
2388 data->rx_mgmt.frame_len);
2389}
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002390#endif /* CONFIG_IBSS_RSN */
2391
2392
2393#ifdef CONFIG_IEEE80211R
2394static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2395 size_t len)
2396{
2397 const u8 *sta_addr, *target_ap_addr;
2398 u16 status;
2399
2400 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2401 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2402 return; /* only SME case supported for now */
2403 if (len < 1 + 2 * ETH_ALEN + 2)
2404 return;
2405 if (data[0] != 2)
2406 return; /* Only FT Action Response is supported for now */
2407 sta_addr = data + 1;
2408 target_ap_addr = data + 1 + ETH_ALEN;
2409 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
2410 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2411 MACSTR " TargetAP " MACSTR " status %u",
2412 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
2413
2414 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
2415 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2416 " in FT Action Response", MAC2STR(sta_addr));
2417 return;
2418 }
2419
2420 if (status) {
2421 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2422 "failure (status code %d)", status);
2423 /* TODO: report error to FT code(?) */
2424 return;
2425 }
2426
2427 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2428 len - (1 + 2 * ETH_ALEN + 2), 1,
2429 target_ap_addr, NULL, 0) < 0)
2430 return;
2431
2432#ifdef CONFIG_SME
2433 {
2434 struct wpa_bss *bss;
2435 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
2436 if (bss)
2437 wpa_s->sme.freq = bss->freq;
2438 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
2439 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
2440 WLAN_AUTH_FT);
2441 }
2442#endif /* CONFIG_SME */
2443}
2444#endif /* CONFIG_IEEE80211R */
2445
2446
2447static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
2448 struct unprot_deauth *e)
2449{
2450#ifdef CONFIG_IEEE80211W
2451 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
2452 "dropped: " MACSTR " -> " MACSTR
2453 " (reason code %u)",
2454 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2455 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2456#endif /* CONFIG_IEEE80211W */
2457}
2458
2459
2460static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
2461 struct unprot_disassoc *e)
2462{
2463#ifdef CONFIG_IEEE80211W
2464 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
2465 "dropped: " MACSTR " -> " MACSTR
2466 " (reason code %u)",
2467 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2468 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2469#endif /* CONFIG_IEEE80211W */
2470}
2471
2472
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002473static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
2474 u16 reason_code, int locally_generated,
2475 const u8 *ie, size_t ie_len, int deauth)
2476{
2477#ifdef CONFIG_AP
2478 if (wpa_s->ap_iface && addr) {
2479 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
2480 return;
2481 }
2482
2483 if (wpa_s->ap_iface) {
2484 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
2485 return;
2486 }
2487#endif /* CONFIG_AP */
2488
2489 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
2490
2491 if (reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
2492 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2493 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
2494 eapol_sm_failed(wpa_s->eapol)))
2495 wpas_auth_failed(wpa_s);
2496
2497#ifdef CONFIG_P2P
Dmitry Shmidt391c59f2013-09-03 12:16:28 -07002498 if (deauth && reason_code > 0) {
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002499 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
2500 locally_generated) > 0) {
2501 /*
2502 * The interface was removed, so cannot continue
2503 * processing any additional operations after this.
2504 */
2505 return;
2506 }
2507 }
2508#endif /* CONFIG_P2P */
2509
2510 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
2511 locally_generated);
2512}
2513
2514
2515static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
2516 struct disassoc_info *info)
2517{
2518 u16 reason_code = 0;
2519 int locally_generated = 0;
2520 const u8 *addr = NULL;
2521 const u8 *ie = NULL;
2522 size_t ie_len = 0;
2523
2524 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
2525
2526 if (info) {
2527 addr = info->addr;
2528 ie = info->ie;
2529 ie_len = info->ie_len;
2530 reason_code = info->reason_code;
2531 locally_generated = info->locally_generated;
2532 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
2533 locally_generated ? " (locally generated)" : "");
2534 if (addr)
2535 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2536 MAC2STR(addr));
2537 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
2538 ie, ie_len);
2539 }
2540
2541#ifdef CONFIG_AP
2542 if (wpa_s->ap_iface && info && info->addr) {
2543 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
2544 return;
2545 }
2546
2547 if (wpa_s->ap_iface) {
2548 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
2549 return;
2550 }
2551#endif /* CONFIG_AP */
2552
2553#ifdef CONFIG_P2P
2554 if (info) {
2555 wpas_p2p_disassoc_notif(
2556 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
2557 locally_generated);
2558 }
2559#endif /* CONFIG_P2P */
2560
2561 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2562 sme_event_disassoc(wpa_s, info);
2563
2564 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
2565 ie, ie_len, 0);
2566}
2567
2568
2569static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
2570 struct deauth_info *info)
2571{
2572 u16 reason_code = 0;
2573 int locally_generated = 0;
2574 const u8 *addr = NULL;
2575 const u8 *ie = NULL;
2576 size_t ie_len = 0;
2577
2578 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
2579
2580 if (info) {
2581 addr = info->addr;
2582 ie = info->ie;
2583 ie_len = info->ie_len;
2584 reason_code = info->reason_code;
2585 locally_generated = info->locally_generated;
2586 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2587 reason_code,
2588 locally_generated ? " (locally generated)" : "");
2589 if (addr) {
2590 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2591 MAC2STR(addr));
2592 }
2593 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
2594 ie, ie_len);
2595 }
2596
2597 wpa_reset_ft_completed(wpa_s->wpa);
2598
2599 wpas_event_disconnect(wpa_s, addr, reason_code,
2600 locally_generated, ie, ie_len, 1);
2601}
2602
2603
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002604void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
2605 union wpa_event_data *data)
2606{
2607 struct wpa_supplicant *wpa_s = ctx;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002608
2609 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
2610 event != EVENT_INTERFACE_ENABLED &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002611 event != EVENT_INTERFACE_STATUS &&
2612 event != EVENT_SCHED_SCAN_STOPPED) {
2613 wpa_dbg(wpa_s, MSG_DEBUG,
2614 "Ignore event %s (%d) while interface is disabled",
2615 event_to_string(event), event);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002616 return;
2617 }
2618
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002619#ifndef CONFIG_NO_STDOUT_DEBUG
2620{
2621 int level = MSG_DEBUG;
2622
Dmitry Shmidt04949592012-07-19 12:16:46 -07002623 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002624 const struct ieee80211_hdr *hdr;
2625 u16 fc;
2626 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
2627 fc = le_to_host16(hdr->frame_control);
2628 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2629 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
2630 level = MSG_EXCESSIVE;
2631 }
2632
2633 wpa_dbg(wpa_s, level, "Event %s (%d) received",
2634 event_to_string(event), event);
2635}
2636#endif /* CONFIG_NO_STDOUT_DEBUG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002637
2638 switch (event) {
2639 case EVENT_AUTH:
2640 sme_event_auth(wpa_s, data);
2641 break;
2642 case EVENT_ASSOC:
2643 wpa_supplicant_event_assoc(wpa_s, data);
2644 break;
2645 case EVENT_DISASSOC:
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002646 wpas_event_disassoc(wpa_s,
2647 data ? &data->disassoc_info : NULL);
2648 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002649 case EVENT_DEAUTH:
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002650 wpas_event_deauth(wpa_s,
2651 data ? &data->deauth_info : NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002652 break;
2653 case EVENT_MICHAEL_MIC_FAILURE:
2654 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
2655 break;
2656#ifndef CONFIG_NO_SCAN_PROCESSING
2657 case EVENT_SCAN_RESULTS:
2658 wpa_supplicant_event_scan_results(wpa_s, data);
Dmitry Shmidt37d4d6a2013-03-18 13:09:42 -07002659 if (wpa_s->wpa_state != WPA_AUTHENTICATING &&
2660 wpa_s->wpa_state != WPA_ASSOCIATING)
2661 wpas_p2p_continue_after_scan(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002662 break;
2663#endif /* CONFIG_NO_SCAN_PROCESSING */
2664 case EVENT_ASSOCINFO:
2665 wpa_supplicant_event_associnfo(wpa_s, data);
2666 break;
2667 case EVENT_INTERFACE_STATUS:
2668 wpa_supplicant_event_interface_status(wpa_s, data);
2669 break;
2670 case EVENT_PMKID_CANDIDATE:
2671 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
2672 break;
2673#ifdef CONFIG_PEERKEY
2674 case EVENT_STKSTART:
2675 wpa_supplicant_event_stkstart(wpa_s, data);
2676 break;
2677#endif /* CONFIG_PEERKEY */
2678#ifdef CONFIG_TDLS
2679 case EVENT_TDLS:
2680 wpa_supplicant_event_tdls(wpa_s, data);
2681 break;
2682#endif /* CONFIG_TDLS */
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002683#ifdef CONFIG_WNM
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002684 case EVENT_WNM:
2685 wpa_supplicant_event_wnm(wpa_s, data);
2686 break;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002687#endif /* CONFIG_WNM */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002688#ifdef CONFIG_IEEE80211R
2689 case EVENT_FT_RESPONSE:
2690 wpa_supplicant_event_ft_response(wpa_s, data);
2691 break;
2692#endif /* CONFIG_IEEE80211R */
2693#ifdef CONFIG_IBSS_RSN
2694 case EVENT_IBSS_RSN_START:
2695 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
2696 break;
2697#endif /* CONFIG_IBSS_RSN */
2698 case EVENT_ASSOC_REJECT:
2699 if (data->assoc_reject.bssid)
2700 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2701 "bssid=" MACSTR " status_code=%u",
2702 MAC2STR(data->assoc_reject.bssid),
2703 data->assoc_reject.status_code);
2704 else
2705 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
2706 "status_code=%u",
2707 data->assoc_reject.status_code);
2708 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2709 sme_event_assoc_reject(wpa_s, data);
Jeff Johnsonb485b182012-10-21 18:19:27 -07002710 else {
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002711#ifdef ANDROID_P2P
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002712 if(!wpa_s->current_ssid) {
2713 wpa_printf(MSG_ERROR, "current_ssid == NULL");
2714 break;
2715 }
2716 /* If assoc reject is reported by the driver, then avoid
2717 * waiting for the authentication timeout. Cancel the
2718 * authentication timeout and retry the assoc.
2719 */
Jeff Johnsonb485b182012-10-21 18:19:27 -07002720 if(wpa_s->current_ssid->assoc_retry++ < 10) {
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002721 wpa_printf(MSG_ERROR, "Retrying assoc: %d ",
2722 wpa_s->current_ssid->assoc_retry);
Jeff Johnsonb485b182012-10-21 18:19:27 -07002723
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002724 wpa_supplicant_cancel_auth_timeout(wpa_s);
Dmitry Shmidt98f9e762012-05-30 11:18:46 -07002725
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002726 /* Clear the states */
2727 wpa_sm_notify_disassoc(wpa_s->wpa);
2728 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2729
2730 wpa_s->reassociate = 1;
Jeff Johnsonb485b182012-10-21 18:19:27 -07002731 if (wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) {
Dmitry Shmidt54cb0f62012-10-29 13:12:24 -07002732 const u8 *bl_bssid = data->assoc_reject.bssid;
2733 if (!bl_bssid || is_zero_ether_addr(bl_bssid))
2734 bl_bssid = wpa_s->pending_bssid;
2735 wpa_blacklist_add(wpa_s, bl_bssid);
Jeff Johnsonb485b182012-10-21 18:19:27 -07002736 wpa_supplicant_req_scan(wpa_s, 0, 0);
2737 } else {
2738 wpa_supplicant_req_scan(wpa_s, 1, 0);
2739 }
2740 } else if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002741 /* If we ASSOC_REJECT's hits threshold, disable the
2742 * network
2743 */
2744 wpa_printf(MSG_ERROR, "Assoc retry threshold reached. "
2745 "Disabling the network");
Irfan Sheriff2fb835a2012-06-18 09:39:07 -07002746 wpa_s->current_ssid->assoc_retry = 0;
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002747 wpa_supplicant_disable_network(wpa_s, wpa_s->current_ssid);
Irfan Sheriff2fb835a2012-06-18 09:39:07 -07002748 wpas_p2p_group_remove(wpa_s, wpa_s->ifname);
Irfan Sheriff7db4ef72012-06-18 09:39:07 -07002749 }
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002750#else
2751 const u8 *bssid = data->assoc_reject.bssid;
2752 if (bssid == NULL || is_zero_ether_addr(bssid))
2753 bssid = wpa_s->pending_bssid;
2754 wpas_connection_failed(wpa_s, bssid);
2755 wpa_supplicant_mark_disassoc(wpa_s);
Dmitry Shmidt98f9e762012-05-30 11:18:46 -07002756#endif /* ANDROID_P2P */
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002757 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002758 break;
2759 case EVENT_AUTH_TIMED_OUT:
2760 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2761 sme_event_auth_timed_out(wpa_s, data);
2762 break;
2763 case EVENT_ASSOC_TIMED_OUT:
2764 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2765 sme_event_assoc_timed_out(wpa_s, data);
2766 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002767 case EVENT_TX_STATUS:
2768 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
2769 " type=%d stype=%d",
2770 MAC2STR(data->tx_status.dst),
2771 data->tx_status.type, data->tx_status.stype);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002772#ifdef CONFIG_AP
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002773 if (wpa_s->ap_iface == NULL) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002774#ifdef CONFIG_OFFCHANNEL
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002775 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2776 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002777 offchannel_send_action_tx_status(
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002778 wpa_s, data->tx_status.dst,
2779 data->tx_status.data,
2780 data->tx_status.data_len,
2781 data->tx_status.ack ?
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002782 OFFCHANNEL_SEND_ACTION_SUCCESS :
2783 OFFCHANNEL_SEND_ACTION_NO_ACK);
2784#endif /* CONFIG_OFFCHANNEL */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002785 break;
2786 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002787#endif /* CONFIG_AP */
2788#ifdef CONFIG_OFFCHANNEL
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002789 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
2790 MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
2791 /*
2792 * Catch TX status events for Action frames we sent via group
2793 * interface in GO mode.
2794 */
2795 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
2796 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
2797 os_memcmp(wpa_s->parent->pending_action_dst,
2798 data->tx_status.dst, ETH_ALEN) == 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002799 offchannel_send_action_tx_status(
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002800 wpa_s->parent, data->tx_status.dst,
2801 data->tx_status.data,
2802 data->tx_status.data_len,
2803 data->tx_status.ack ?
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002804 OFFCHANNEL_SEND_ACTION_SUCCESS :
2805 OFFCHANNEL_SEND_ACTION_NO_ACK);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002806 break;
2807 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002808#endif /* CONFIG_OFFCHANNEL */
2809#ifdef CONFIG_AP
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002810 switch (data->tx_status.type) {
2811 case WLAN_FC_TYPE_MGMT:
2812 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
2813 data->tx_status.data_len,
2814 data->tx_status.stype,
2815 data->tx_status.ack);
2816 break;
2817 case WLAN_FC_TYPE_DATA:
2818 ap_tx_status(wpa_s, data->tx_status.dst,
2819 data->tx_status.data,
2820 data->tx_status.data_len,
2821 data->tx_status.ack);
2822 break;
2823 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002824#endif /* CONFIG_AP */
2825 break;
2826#ifdef CONFIG_AP
2827 case EVENT_EAPOL_TX_STATUS:
2828 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
2829 data->eapol_tx_status.data,
2830 data->eapol_tx_status.data_len,
2831 data->eapol_tx_status.ack);
2832 break;
2833 case EVENT_DRIVER_CLIENT_POLL_OK:
2834 ap_client_poll_ok(wpa_s, data->client_poll.addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002835 break;
2836 case EVENT_RX_FROM_UNKNOWN:
2837 if (wpa_s->ap_iface == NULL)
2838 break;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002839 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
2840 data->rx_from_unknown.wds);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002841 break;
Dmitry Shmidt04949592012-07-19 12:16:46 -07002842 case EVENT_CH_SWITCH:
2843 if (!data)
2844 break;
2845 if (!wpa_s->ap_iface) {
2846 wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch "
2847 "event in non-AP mode");
2848 break;
2849 }
2850
Dmitry Shmidt04949592012-07-19 12:16:46 -07002851 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
2852 data->ch_switch.ht_enabled,
2853 data->ch_switch.ch_offset);
Dmitry Shmidt04949592012-07-19 12:16:46 -07002854 break;
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002855#endif /* CONFIG_AP */
2856#if defined(CONFIG_AP) || defined(CONFIG_IBSS_RSN)
Dmitry Shmidt04949592012-07-19 12:16:46 -07002857 case EVENT_RX_MGMT: {
2858 u16 fc, stype;
2859 const struct ieee80211_mgmt *mgmt;
2860
2861 mgmt = (const struct ieee80211_mgmt *)
2862 data->rx_mgmt.frame;
2863 fc = le_to_host16(mgmt->frame_control);
2864 stype = WLAN_FC_GET_STYPE(fc);
2865
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002866#ifdef CONFIG_AP
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002867 if (wpa_s->ap_iface == NULL) {
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002868#endif /* CONFIG_AP */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002869#ifdef CONFIG_P2P
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002870 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
2871 data->rx_mgmt.frame_len > 24) {
2872 const u8 *src = mgmt->sa;
2873 const u8 *ie = mgmt->u.probe_req.variable;
2874 size_t ie_len = data->rx_mgmt.frame_len -
2875 (mgmt->u.probe_req.variable -
2876 data->rx_mgmt.frame);
Dmitry Shmidt04949592012-07-19 12:16:46 -07002877 wpas_p2p_probe_req_rx(
2878 wpa_s, src, mgmt->da,
2879 mgmt->bssid, ie, ie_len,
2880 data->rx_mgmt.ssi_signal);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002881 break;
2882 }
2883#endif /* CONFIG_P2P */
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002884#ifdef CONFIG_IBSS_RSN
2885 if (stype == WLAN_FC_STYPE_AUTH &&
2886 data->rx_mgmt.frame_len >= 30) {
2887 wpa_supplicant_event_ibss_auth(wpa_s, data);
2888 break;
2889 }
2890#endif /* CONFIG_IBSS_RSN */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002891 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
2892 "management frame in non-AP mode");
2893 break;
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002894#ifdef CONFIG_AP
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002895 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07002896
2897 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
2898 data->rx_mgmt.frame_len > 24) {
2899 const u8 *ie = mgmt->u.probe_req.variable;
2900 size_t ie_len = data->rx_mgmt.frame_len -
2901 (mgmt->u.probe_req.variable -
2902 data->rx_mgmt.frame);
2903
2904 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
2905 mgmt->bssid, ie, ie_len,
2906 data->rx_mgmt.ssi_signal);
2907 }
2908
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002909 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002910#endif /* CONFIG_AP */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002911 break;
Dmitry Shmidt04949592012-07-19 12:16:46 -07002912 }
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002913#endif /* CONFIG_AP || CONFIG_IBSS_RSN */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002914 case EVENT_RX_ACTION:
2915 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
2916 " Category=%u DataLen=%d freq=%d MHz",
2917 MAC2STR(data->rx_action.sa),
2918 data->rx_action.category, (int) data->rx_action.len,
2919 data->rx_action.freq);
2920#ifdef CONFIG_IEEE80211R
2921 if (data->rx_action.category == WLAN_ACTION_FT) {
2922 ft_rx_action(wpa_s, data->rx_action.data,
2923 data->rx_action.len);
2924 break;
2925 }
2926#endif /* CONFIG_IEEE80211R */
2927#ifdef CONFIG_IEEE80211W
2928#ifdef CONFIG_SME
2929 if (data->rx_action.category == WLAN_ACTION_SA_QUERY) {
2930 sme_sa_query_rx(wpa_s, data->rx_action.sa,
2931 data->rx_action.data,
2932 data->rx_action.len);
2933 break;
2934 }
2935#endif /* CONFIG_SME */
2936#endif /* CONFIG_IEEE80211W */
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002937#ifdef CONFIG_WNM
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07002938 if (data->rx_action.category == WLAN_ACTION_WNM) {
2939 ieee802_11_rx_wnm_action(wpa_s, &data->rx_action);
2940 break;
2941 }
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08002942#endif /* CONFIG_WNM */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002943#ifdef CONFIG_GAS
2944 if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
2945 gas_query_rx(wpa_s->gas, data->rx_action.da,
2946 data->rx_action.sa, data->rx_action.bssid,
2947 data->rx_action.data, data->rx_action.len,
2948 data->rx_action.freq) == 0)
2949 break;
2950#endif /* CONFIG_GAS */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002951#ifdef CONFIG_TDLS
2952 if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
2953 data->rx_action.len >= 4 &&
2954 data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
2955 wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery "
2956 "Response from " MACSTR,
2957 MAC2STR(data->rx_action.sa));
2958 break;
2959 }
2960#endif /* CONFIG_TDLS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002961#ifdef CONFIG_P2P
2962 wpas_p2p_rx_action(wpa_s, data->rx_action.da,
2963 data->rx_action.sa,
2964 data->rx_action.bssid,
2965 data->rx_action.category,
2966 data->rx_action.data,
2967 data->rx_action.len, data->rx_action.freq);
2968#endif /* CONFIG_P2P */
2969 break;
2970 case EVENT_RX_PROBE_REQ:
2971 if (data->rx_probe_req.sa == NULL ||
2972 data->rx_probe_req.ie == NULL)
2973 break;
2974#ifdef CONFIG_AP
2975 if (wpa_s->ap_iface) {
2976 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
2977 data->rx_probe_req.sa,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002978 data->rx_probe_req.da,
2979 data->rx_probe_req.bssid,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002980 data->rx_probe_req.ie,
Dmitry Shmidt04949592012-07-19 12:16:46 -07002981 data->rx_probe_req.ie_len,
2982 data->rx_probe_req.ssi_signal);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002983 break;
2984 }
2985#endif /* CONFIG_AP */
2986#ifdef CONFIG_P2P
2987 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002988 data->rx_probe_req.da,
2989 data->rx_probe_req.bssid,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002990 data->rx_probe_req.ie,
Dmitry Shmidt04949592012-07-19 12:16:46 -07002991 data->rx_probe_req.ie_len,
2992 data->rx_probe_req.ssi_signal);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002993#endif /* CONFIG_P2P */
2994 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002995 case EVENT_REMAIN_ON_CHANNEL:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002996#ifdef CONFIG_OFFCHANNEL
2997 offchannel_remain_on_channel_cb(
2998 wpa_s, data->remain_on_channel.freq,
2999 data->remain_on_channel.duration);
3000#endif /* CONFIG_OFFCHANNEL */
3001#ifdef CONFIG_P2P
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003002 wpas_p2p_remain_on_channel_cb(
3003 wpa_s, data->remain_on_channel.freq,
3004 data->remain_on_channel.duration);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003005#endif /* CONFIG_P2P */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003006 break;
3007 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003008#ifdef CONFIG_OFFCHANNEL
3009 offchannel_cancel_remain_on_channel_cb(
3010 wpa_s, data->remain_on_channel.freq);
3011#endif /* CONFIG_OFFCHANNEL */
3012#ifdef CONFIG_P2P
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003013 wpas_p2p_cancel_remain_on_channel_cb(
3014 wpa_s, data->remain_on_channel.freq);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003015#endif /* CONFIG_P2P */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003016 break;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003017#ifdef CONFIG_P2P
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003018 case EVENT_P2P_DEV_FOUND: {
3019 struct p2p_peer_info peer_info;
3020
3021 os_memset(&peer_info, 0, sizeof(peer_info));
3022 if (data->p2p_dev_found.dev_addr)
3023 os_memcpy(peer_info.p2p_device_addr,
3024 data->p2p_dev_found.dev_addr, ETH_ALEN);
3025 if (data->p2p_dev_found.pri_dev_type)
3026 os_memcpy(peer_info.pri_dev_type,
3027 data->p2p_dev_found.pri_dev_type,
3028 sizeof(peer_info.pri_dev_type));
3029 if (data->p2p_dev_found.dev_name)
3030 os_strlcpy(peer_info.device_name,
3031 data->p2p_dev_found.dev_name,
3032 sizeof(peer_info.device_name));
3033 peer_info.config_methods = data->p2p_dev_found.config_methods;
3034 peer_info.dev_capab = data->p2p_dev_found.dev_capab;
3035 peer_info.group_capab = data->p2p_dev_found.group_capab;
3036
3037 /*
3038 * FIX: new_device=1 is not necessarily correct. We should
3039 * maintain a P2P peer database in wpa_supplicant and update
3040 * this information based on whether the peer is truly new.
3041 */
3042 wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1);
3043 break;
3044 }
3045 case EVENT_P2P_GO_NEG_REQ_RX:
3046 wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src,
3047 data->p2p_go_neg_req_rx.dev_passwd_id);
3048 break;
3049 case EVENT_P2P_GO_NEG_COMPLETED:
3050 wpas_go_neg_completed(wpa_s, data->p2p_go_neg_completed.res);
3051 break;
3052 case EVENT_P2P_PROV_DISC_REQUEST:
3053 wpas_prov_disc_req(wpa_s, data->p2p_prov_disc_req.peer,
3054 data->p2p_prov_disc_req.config_methods,
3055 data->p2p_prov_disc_req.dev_addr,
3056 data->p2p_prov_disc_req.pri_dev_type,
3057 data->p2p_prov_disc_req.dev_name,
3058 data->p2p_prov_disc_req.supp_config_methods,
3059 data->p2p_prov_disc_req.dev_capab,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003060 data->p2p_prov_disc_req.group_capab,
3061 NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003062 break;
3063 case EVENT_P2P_PROV_DISC_RESPONSE:
3064 wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer,
3065 data->p2p_prov_disc_resp.config_methods);
3066 break;
3067 case EVENT_P2P_SD_REQUEST:
3068 wpas_sd_request(wpa_s, data->p2p_sd_req.freq,
3069 data->p2p_sd_req.sa,
3070 data->p2p_sd_req.dialog_token,
3071 data->p2p_sd_req.update_indic,
3072 data->p2p_sd_req.tlvs,
3073 data->p2p_sd_req.tlvs_len);
3074 break;
3075 case EVENT_P2P_SD_RESPONSE:
3076 wpas_sd_response(wpa_s, data->p2p_sd_resp.sa,
3077 data->p2p_sd_resp.update_indic,
3078 data->p2p_sd_resp.tlvs,
3079 data->p2p_sd_resp.tlvs_len);
3080 break;
3081#endif /* CONFIG_P2P */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003082 case EVENT_EAPOL_RX:
3083 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
3084 data->eapol_rx.data,
3085 data->eapol_rx.data_len);
3086 break;
3087 case EVENT_SIGNAL_CHANGE:
3088 bgscan_notify_signal_change(
3089 wpa_s, data->signal_change.above_threshold,
3090 data->signal_change.current_signal,
3091 data->signal_change.current_noise,
3092 data->signal_change.current_txrate);
3093 break;
3094 case EVENT_INTERFACE_ENABLED:
3095 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
3096 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003097 wpa_supplicant_update_mac_addr(wpa_s);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003098#ifdef CONFIG_AP
3099 if (!wpa_s->ap_iface) {
3100 wpa_supplicant_set_state(wpa_s,
3101 WPA_DISCONNECTED);
3102 wpa_supplicant_req_scan(wpa_s, 0, 0);
3103 } else
3104 wpa_supplicant_set_state(wpa_s,
3105 WPA_COMPLETED);
3106#else /* CONFIG_AP */
3107 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
3108 wpa_supplicant_req_scan(wpa_s, 0, 0);
3109#endif /* CONFIG_AP */
3110 }
3111 break;
3112 case EVENT_INTERFACE_DISABLED:
3113 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
3114 wpa_supplicant_mark_disassoc(wpa_s);
3115 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3116 break;
3117 case EVENT_CHANNEL_LIST_CHANGED:
3118 if (wpa_s->drv_priv == NULL)
3119 break; /* Ignore event during drv initialization */
Dmitry Shmidt04949592012-07-19 12:16:46 -07003120
3121 free_hw_features(wpa_s);
3122 wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
3123 wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
3124
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003125#ifdef CONFIG_P2P
3126 wpas_p2p_update_channel_list(wpa_s);
3127#endif /* CONFIG_P2P */
3128 break;
3129 case EVENT_INTERFACE_UNAVAILABLE:
3130#ifdef CONFIG_P2P
3131 wpas_p2p_interface_unavailable(wpa_s);
3132#endif /* CONFIG_P2P */
3133 break;
3134 case EVENT_BEST_CHANNEL:
3135 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
3136 "(%d %d %d)",
3137 data->best_chan.freq_24, data->best_chan.freq_5,
3138 data->best_chan.freq_overall);
3139 wpa_s->best_24_freq = data->best_chan.freq_24;
3140 wpa_s->best_5_freq = data->best_chan.freq_5;
3141 wpa_s->best_overall_freq = data->best_chan.freq_overall;
3142#ifdef CONFIG_P2P
3143 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
3144 data->best_chan.freq_5,
3145 data->best_chan.freq_overall);
3146#endif /* CONFIG_P2P */
3147 break;
3148 case EVENT_UNPROT_DEAUTH:
3149 wpa_supplicant_event_unprot_deauth(wpa_s,
3150 &data->unprot_deauth);
3151 break;
3152 case EVENT_UNPROT_DISASSOC:
3153 wpa_supplicant_event_unprot_disassoc(wpa_s,
3154 &data->unprot_disassoc);
3155 break;
3156 case EVENT_STATION_LOW_ACK:
3157#ifdef CONFIG_AP
3158 if (wpa_s->ap_iface && data)
3159 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
3160 data->low_ack.addr);
3161#endif /* CONFIG_AP */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003162#ifdef CONFIG_TDLS
3163 if (data)
3164 wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr);
3165#endif /* CONFIG_TDLS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003166 break;
3167 case EVENT_IBSS_PEER_LOST:
3168#ifdef CONFIG_IBSS_RSN
3169 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
3170#endif /* CONFIG_IBSS_RSN */
3171 break;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003172 case EVENT_DRIVER_GTK_REKEY:
3173 if (os_memcmp(data->driver_gtk_rekey.bssid,
3174 wpa_s->bssid, ETH_ALEN))
3175 break;
3176 if (!wpa_s->wpa)
3177 break;
3178 wpa_sm_update_replay_ctr(wpa_s->wpa,
3179 data->driver_gtk_rekey.replay_ctr);
3180 break;
3181 case EVENT_SCHED_SCAN_STOPPED:
3182 wpa_s->sched_scanning = 0;
3183 wpa_supplicant_notify_scanning(wpa_s, 0);
3184
3185 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3186 break;
3187
3188 /*
3189 * If we timed out, start a new sched scan to continue
3190 * searching for more SSIDs.
3191 */
3192 if (wpa_s->sched_scan_timed_out)
3193 wpa_supplicant_req_sched_scan(wpa_s);
3194 break;
3195 case EVENT_WPS_BUTTON_PUSHED:
3196#ifdef CONFIG_WPS
3197 wpas_wps_start_pbc(wpa_s, NULL, 0);
3198#endif /* CONFIG_WPS */
3199 break;
Dmitry Shmidtf8623282013-02-20 14:34:59 -08003200 case EVENT_CONNECT_FAILED_REASON:
3201#ifdef CONFIG_AP
3202 if (!wpa_s->ap_iface || !data)
3203 break;
3204 hostapd_event_connect_failed_reason(
3205 wpa_s->ap_iface->bss[0],
3206 data->connect_failed_reason.addr,
3207 data->connect_failed_reason.code);
3208#endif /* CONFIG_AP */
3209 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003210 default:
3211 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
3212 break;
3213 }
3214}