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FILS: Connect request for offloaded FILS shared key authentication
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
0f9b4a0f 3 * Copyright (c) 2003-2017, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "eapol_supp/eapol_supp_sm.h"
3acb5005 13#include "rsn_supp/wpa.h"
6fc6879b 14#include "eloop.h"
6fc6879b
JM		 15#include "config.h"
16#include "l2_packet/l2_packet.h"
17#include "wpa_supplicant_i.h"
2d5b792d 18#include "driver_i.h"
6fc6879b 19#include "pcsc_funcs.h"
3acb5005
JM		 20#include "rsn_supp/preauth.h"
21#include "rsn_supp/pmksa_cache.h"
90973fb2 22#include "common/wpa_ctrl.h"
6fc6879b 23#include "eap_peer/eap.h"
1d041bec 24#include "ap/hostapd.h"
93b7ddd0 25#include "p2p/p2p.h"
9fbfd1b0 26#include "fst/fst.h"
75cad1a0 27#include "wnm_sta.h"
8bac466b 28#include "notify.h"
90973fb2 29#include "common/ieee802_11_defs.h"
54f489be 30#include "common/ieee802_11_common.h"
bbb921da 31#include "crypto/random.h"
6fc6879b
JM		 32#include "blacklist.h"
33#include "wpas_glue.h"
351f09a2 34#include "wps_supplicant.h"
11ef8d35 35#include "ibss_rsn.h"
c2a04078 36#include "sme.h"
04ea7b79 37#include "gas_query.h"
9bae1be0 38#include "p2p_supplicant.h"
60b94c98 39#include "bgscan.h"
7c865c68 40#include "autoscan.h"
f8b1f695 41#include "ap.h"
6fa81a3b 42#include "bss.h"
9ba9fa07 43#include "scan.h"
24f6497c 44#include "offchannel.h"
4d5bda5f 45#include "interworking.h"
8319e312 46#include "mesh.h"
5f92659d 47#include "mesh_mpm.h"
a0413b17 48#include "wmm_ac.h"
6fc6879b
JM		 49
50
5d5c4ee5 51#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d 52static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 53 int new_scan, int own_request);
5d5c4ee5 54#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 55
56
3d5f0e91 57int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
00e5e3d5 58{
4e1eae1d 59 struct os_reltime now;
00e5e3d5
JM		 60
61 if (ssid == NULL || ssid->disabled_until.sec == 0)
62 return 0;
63
4e1eae1d 64 os_get_reltime(&now);
00e5e3d5
JM		 65 if (ssid->disabled_until.sec > now.sec)
66 return ssid->disabled_until.sec - now.sec;
67
68 wpas_clear_temp_disabled(wpa_s, ssid, 0);
69
70 return 0;
71}
72
73
eb926f12 74#ifndef CONFIG_NO_SCAN_PROCESSING
9bd566a3
AS		 75/**
76 * wpas_reenabled_network_time - Time until first network is re-enabled
77 * @wpa_s: Pointer to wpa_supplicant data
78 * Returns: If all enabled networks are temporarily disabled, returns the time
79 * (in sec) until the first network is re-enabled. Otherwise returns 0.
80 *
81 * This function is used in case all enabled networks are temporarily disabled,
82 * in which case it returns the time (in sec) that the first network will be
83 * re-enabled. The function assumes that at least one network is enabled.
84 */
85static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
86{
87 struct wpa_ssid *ssid;
88 int disabled_for, res = 0;
89
90#ifdef CONFIG_INTERWORKING
91 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
92 wpa_s->conf->cred)
93 return 0;
94#endif /* CONFIG_INTERWORKING */
95
96 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
97 if (ssid->disabled)
98 continue;
99
100 disabled_for = wpas_temp_disabled(wpa_s, ssid);
101 if (!disabled_for)
102 return 0;
103
104 if (!res || disabled_for < res)
105 res = disabled_for;
106 }
107
108 return res;
109}
eb926f12 110#endif /* CONFIG_NO_SCAN_PROCESSING */
9bd566a3
AS		 111
112
113void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
114{
115 struct wpa_supplicant *wpa_s = eloop_ctx;
116
117 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
118 return;
119
120 wpa_dbg(wpa_s, MSG_DEBUG,
121 "Try to associate due to network getting re-enabled");
122 if (wpa_supplicant_fast_associate(wpa_s) != 1) {
123 wpa_supplicant_cancel_sched_scan(wpa_s);
124 wpa_supplicant_req_scan(wpa_s, 0, 0);
125 }
126}
127
128
5cd47405
JM		 129static struct wpa_bss * wpa_supplicant_get_new_bss(
130 struct wpa_supplicant *wpa_s, const u8 *bssid)
131{
132 struct wpa_bss *bss = NULL;
133 struct wpa_ssid *ssid = wpa_s->current_ssid;
134
135 if (ssid->ssid_len > 0)
136 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
137 if (!bss)
138 bss = wpa_bss_get_bssid(wpa_s, bssid);
139
140 return bss;
141}
142
143
068e3877
JM		 144static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
145{
146 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
147
148 if (!bss) {
149 wpa_supplicant_update_scan_results(wpa_s);
150
151 /* Get the BSS from the new scan results */
152 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
153 }
154
155 if (bss)
156 wpa_s->current_bss = bss;
157}
158
159
6fc6879b
JM		 160static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
161{
8bac466b 162 struct wpa_ssid *ssid, *old_ssid;
eaa8eefe 163 u8 drv_ssid[SSID_MAX_LEN];
c41d0840 164 size_t drv_ssid_len;
00e5e3d5 165 int res;
6fc6879b 166
068e3877
JM		 167 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
168 wpa_supplicant_update_current_bss(wpa_s);
c41d0840
KV		 169
170 if (wpa_s->current_ssid->ssid_len == 0)
171 return 0; /* current profile still in use */
172 res = wpa_drv_get_ssid(wpa_s, drv_ssid);
173 if (res < 0) {
174 wpa_msg(wpa_s, MSG_INFO,
175 "Failed to read SSID from driver");
176 return 0; /* try to use current profile */
177 }
178 drv_ssid_len = res;
179
180 if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
181 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
182 drv_ssid_len) == 0)
183 return 0; /* current profile still in use */
184
185 wpa_msg(wpa_s, MSG_DEBUG,
186 "Driver-initiated BSS selection changed the SSID to %s",
187 wpa_ssid_txt(drv_ssid, drv_ssid_len));
188 /* continue selecting a new network profile */
068e3877 189 }
6fc6879b 190
f049052b
BG		 191 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
192 "information");
6fc6879b
JM		 193 ssid = wpa_supplicant_get_ssid(wpa_s);
194 if (ssid == NULL) {
f049052b
BG		 195 wpa_msg(wpa_s, MSG_INFO,
196 "No network configuration found for the current AP");
6fc6879b
JM		 197 return -1;
198 }
199
349493bd 200 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 201 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 202 return -1;
203 }
204
6407f413
JM		 205 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
206 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
207 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
208 return -1;
209 }
210
00e5e3d5
JM		 211 res = wpas_temp_disabled(wpa_s, ssid);
212 if (res > 0) {
213 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
214 "disabled for %d second(s)", res);
215 return -1;
216 }
217
f049052b
BG		 218 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
219 "current AP");
0bf927a0 220 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 221 u8 wpa_ie[80];
222 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 223 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
224 wpa_ie, &wpa_ie_len) < 0)
225 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 226 } else {
227 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
228 }
229
230 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
231 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 232 old_ssid = wpa_s->current_ssid;
6fc6879b 233 wpa_s->current_ssid = ssid;
5cd47405 234
068e3877 235 wpa_supplicant_update_current_bss(wpa_s);
5cd47405 236
6fc6879b
JM		 237 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
238 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 239 if (old_ssid != wpa_s->current_ssid)
240 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 241
242 return 0;
243}
244
245
01a17491 246void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 247{
248 struct wpa_supplicant *wpa_s = eloop_ctx;
249
250 if (wpa_s->countermeasures) {
251 wpa_s->countermeasures = 0;
252 wpa_drv_set_countermeasures(wpa_s, 0);
253 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
f1609f11
IP		 254
255 /*
256 * It is possible that the device is sched scanning, which means
257 * that a connection attempt will be done only when we receive
258 * scan results. However, in this case, it would be preferable
259 * to scan and connect immediately, so cancel the sched_scan and
260 * issue a regular scan flow.
261 */
262 wpa_supplicant_cancel_sched_scan(wpa_s);
6fc6879b
JM		 263 wpa_supplicant_req_scan(wpa_s, 0, 0);
264 }
265}
266
267
268void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
269{
8bac466b
JM		 270 int bssid_changed;
271
b6668734
JM		 272 wnm_bss_keep_alive_deinit(wpa_s);
273
78177a00
JM		 274#ifdef CONFIG_IBSS_RSN
275 ibss_rsn_deinit(wpa_s->ibss_rsn);
276 wpa_s->ibss_rsn = NULL;
277#endif /* CONFIG_IBSS_RSN */
278
ca62e114
JM		 279#ifdef CONFIG_AP
280 wpa_supplicant_ap_deinit(wpa_s);
281#endif /* CONFIG_AP */
282
ece4ac5f
MG		 283#ifdef CONFIG_HS20
284 /* Clear possibly configured frame filters */
285 wpa_drv_configure_frame_filters(wpa_s, 0);
286#endif /* CONFIG_HS20 */
287
8401a6b0
JM		 288 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
289 return;
290
6fc6879b 291 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 292 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 293 os_memset(wpa_s->bssid, 0, ETH_ALEN);
294 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
4e70bbf1 295 sme_clear_on_disassoc(wpa_s);
be8be671 296 wpa_s->current_bss = NULL;
3c85f144 297 wpa_s->assoc_freq = 0;
8fd0f0f3 298
8bac466b
JM		 299 if (bssid_changed)
300 wpas_notify_bssid_changed(wpa_s);
301
6fc6879b
JM		 302 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
303 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
a1ea1b45
JM		 304 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
305 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE)
6fc6879b
JM		 306 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
307 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24 308 wpa_s->current_ssid = NULL;
25a8f9e3 309 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
0d30cc24 310 wpa_s->key_mgmt = 0;
b361d580
AK		 311
312 wpas_rrm_reset(wpa_s);
03ed0a52 313 wpa_s->wnmsleep_used = 0;
6fc6879b
JM		 314}
315
316
317static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
318{
319 struct wpa_ie_data ie;
320 int pmksa_set = -1;
321 size_t i;
322
323 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
324 ie.pmkid == NULL)
325 return;
326
327 for (i = 0; i < ie.num_pmkid; i++) {
328 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
329 ie.pmkid + i * PMKID_LEN,
869af307 330 NULL, NULL, 0, NULL);
6fc6879b 331 if (pmksa_set == 0) {
ba422613 332 eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
6fc6879b
JM		 333 break;
334 }
335 }
336
f049052b
BG		 337 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
338 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 339}
340
341
342static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
343 union wpa_event_data *data)
344{
345 if (data == NULL) {
f049052b
BG		 346 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
347 "event");
6fc6879b
JM		 348 return;
349 }
f049052b
BG		 350 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
351 " index=%d preauth=%d",
352 MAC2STR(data->pmkid_candidate.bssid),
353 data->pmkid_candidate.index,
354 data->pmkid_candidate.preauth);
6fc6879b
JM		 355
356 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
357 data->pmkid_candidate.index,
358 data->pmkid_candidate.preauth);
359}
360
361
362static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
363{
364 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
365 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
366 return 0;
367
368#ifdef IEEE8021X_EAPOL
369 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
370 wpa_s->current_ssid &&
371 !(wpa_s->current_ssid->eapol_flags &
372 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
373 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
374 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
375 * plaintext or static WEP keys). */
376 return 0;
377 }
378#endif /* IEEE8021X_EAPOL */
379
380 return 1;
381}
382
383
384/**
385 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
386 * @wpa_s: pointer to wpa_supplicant data
387 * @ssid: Configuration data for the network
388 * Returns: 0 on success, -1 on failure
389 *
390 * This function is called when starting authentication with a network that is
391 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
392 */
393int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
394 struct wpa_ssid *ssid)
395{
396#ifdef IEEE8021X_EAPOL
b832d34c 397#ifdef PCSC_FUNCS
eb324600 398 int aka = 0, sim = 0;
6fc6879b 399
62f736dd
JT		 400 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
401 wpa_s->scard != NULL || wpa_s->conf->external_sim)
6fc6879b
JM		 402 return 0;
403
62f736dd 404 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
6fc6879b
JM		 405 sim = 1;
406 aka = 1;
407 } else {
408 struct eap_method_type *eap = ssid->eap.eap_methods;
409 while (eap->vendor != EAP_VENDOR_IETF ||
410 eap->method != EAP_TYPE_NONE) {
411 if (eap->vendor == EAP_VENDOR_IETF) {
412 if (eap->method == EAP_TYPE_SIM)
413 sim = 1;
3d332fe7
JM		 414 else if (eap->method == EAP_TYPE_AKA ||
415 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 416 aka = 1;
417 }
418 eap++;
419 }
420 }
421
422 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
423 sim = 0;
3d332fe7
JM		 424 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
425 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
426 NULL)
6fc6879b
JM		 427 aka = 0;
428
429 if (!sim && !aka) {
f049052b
BG		 430 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
431 "use SIM, but neither EAP-SIM nor EAP-AKA are "
432 "enabled");
6fc6879b
JM		 433 return 0;
434 }
435
f049052b
BG		 436 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
437 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
eb324600 438
5a620604 439 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
6fc6879b 440 if (wpa_s->scard == NULL) {
f049052b
BG		 441 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
442 "(pcsc-lite)");
6fc6879b
JM		 443 return -1;
444 }
445 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
446 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 447#endif /* PCSC_FUNCS */
6fc6879b
JM		 448#endif /* IEEE8021X_EAPOL */
449
450 return 0;
451}
452
453
454#ifndef CONFIG_NO_SCAN_PROCESSING
86bd1410
JM		 455
456static int has_wep_key(struct wpa_ssid *ssid)
457{
458 int i;
459
460 for (i = 0; i < NUM_WEP_KEYS; i++) {
461 if (ssid->wep_key_len[i])
462 return 1;
463 }
464
465 return 0;
466}
467
468
620c7837 469static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 470 struct wpa_ssid *ssid)
471{
86bd1410 472 int privacy = 0;
6fc6879b
JM		 473
474 if (ssid->mixed_cell)
475 return 1;
476
0632542b
AT		 477#ifdef CONFIG_WPS
478 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
479 return 1;
480#endif /* CONFIG_WPS */
481
86bd1410
JM		 482 if (has_wep_key(ssid))
483 privacy = 1;
484
6fc6879b
JM		 485#ifdef IEEE8021X_EAPOL
486 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
487 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
488 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
489 privacy = 1;
490#endif /* IEEE8021X_EAPOL */
491
29fbc522
JM		 492 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
493 privacy = 1;
494
df0f01d9
JM		 495 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
496 privacy = 1;
497
6fc6879b
JM		 498 if (bss->caps & IEEE80211_CAP_PRIVACY)
499 return privacy;
500 return !privacy;
501}
502
503
a6099152
JM		 504static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
505 struct wpa_ssid *ssid,
e65a87b3 506 struct wpa_bss *bss, int debug_print)
6fc6879b
JM		 507{
508 struct wpa_ie_data ie;
509 int proto_match = 0;
510 const u8 *rsn_ie, *wpa_ie;
351f09a2 511 int ret;
43882f1e 512 int wep_ok;
6fc6879b 513
a6099152 514 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 515 if (ret >= 0)
516 return ret;
ad08c363 517
43882f1e
JM		 518 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
519 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
520 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
521 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
522 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
523
620c7837 524 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6fc6879b
JM		 525 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
526 proto_match++;
527
528 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
e65a87b3
JM		 529 if (debug_print)
530 wpa_dbg(wpa_s, MSG_DEBUG,
531 " skip RSN IE - parse failed");
6fc6879b
JM		 532 break;
533 }
43882f1e
JM		 534
535 if (wep_ok &&
536 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
537 {
e65a87b3
JM		 538 if (debug_print)
539 wpa_dbg(wpa_s, MSG_DEBUG,
540 " selected based on TSN in RSN IE");
43882f1e
JM		 541 return 1;
542 }
543
6fc6879b 544 if (!(ie.proto & ssid->proto)) {
e65a87b3
JM		 545 if (debug_print)
546 wpa_dbg(wpa_s, MSG_DEBUG,
547 " skip RSN IE - proto mismatch");
6fc6879b
JM		 548 break;
549 }
550
551 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 552 if (debug_print)
553 wpa_dbg(wpa_s, MSG_DEBUG,
554 " skip RSN IE - PTK cipher mismatch");
6fc6879b
JM		 555 break;
556 }
557
558 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 559 if (debug_print)
560 wpa_dbg(wpa_s, MSG_DEBUG,
561 " skip RSN IE - GTK cipher mismatch");
6fc6879b
JM		 562 break;
563 }
564
565 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 566 if (debug_print)
567 wpa_dbg(wpa_s, MSG_DEBUG,
568 " skip RSN IE - key mgmt mismatch");
6fc6879b
JM		 569 break;
570 }
571
572#ifdef CONFIG_IEEE80211W
0b60b0aa 573 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
3f56a2b7 574 wpas_get_ssid_pmf(wpa_s, ssid) ==
62d49803 575 MGMT_FRAME_PROTECTION_REQUIRED) {
e65a87b3
JM		 576 if (debug_print)
577 wpa_dbg(wpa_s, MSG_DEBUG,
578 " skip RSN IE - no mgmt frame protection");
6fc6879b
JM		 579 break;
580 }
581#endif /* CONFIG_IEEE80211W */
fa464267
JM		 582 if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
583 wpas_get_ssid_pmf(wpa_s, ssid) ==
584 NO_MGMT_FRAME_PROTECTION) {
e65a87b3
JM		 585 if (debug_print)
586 wpa_dbg(wpa_s, MSG_DEBUG,
587 " skip RSN IE - no mgmt frame protection enabled but AP requires it");
fa464267
JM		 588 break;
589 }
940491ce
JM		 590#ifdef CONFIG_MBO
591 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
592 wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) &&
593 wpas_get_ssid_pmf(wpa_s, ssid) !=
594 NO_MGMT_FRAME_PROTECTION) {
e65a87b3
JM		 595 if (debug_print)
596 wpa_dbg(wpa_s, MSG_DEBUG,
597 " skip RSN IE - no mgmt frame protection enabled on MBO AP");
940491ce
JM		 598 break;
599 }
600#endif /* CONFIG_MBO */
6fc6879b 601
e65a87b3
JM		 602 if (debug_print)
603 wpa_dbg(wpa_s, MSG_DEBUG,
604 " selected based on RSN IE");
6fc6879b
JM		 605 return 1;
606 }
607
03626e91
SD		 608#ifdef CONFIG_IEEE80211W
609 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) {
e65a87b3
JM		 610 if (debug_print)
611 wpa_dbg(wpa_s, MSG_DEBUG,
612 " skip - MFP Required but network not MFP Capable");
03626e91
SD		 613 return 0;
614 }
615#endif /* CONFIG_IEEE80211W */
616
620c7837 617 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 618 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
619 proto_match++;
620
621 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
e65a87b3
JM		 622 if (debug_print)
623 wpa_dbg(wpa_s, MSG_DEBUG,
624 " skip WPA IE - parse failed");
6fc6879b
JM		 625 break;
626 }
43882f1e
JM		 627
628 if (wep_ok &&
629 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
630 {
e65a87b3
JM		 631 if (debug_print)
632 wpa_dbg(wpa_s, MSG_DEBUG,
633 " selected based on TSN in WPA IE");
43882f1e
JM		 634 return 1;
635 }
636
6fc6879b 637 if (!(ie.proto & ssid->proto)) {
e65a87b3
JM		 638 if (debug_print)
639 wpa_dbg(wpa_s, MSG_DEBUG,
640 " skip WPA IE - proto mismatch");
6fc6879b
JM		 641 break;
642 }
643
644 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 645 if (debug_print)
646 wpa_dbg(wpa_s, MSG_DEBUG,
647 " skip WPA IE - PTK cipher mismatch");
6fc6879b
JM		 648 break;
649 }
650
651 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 652 if (debug_print)
653 wpa_dbg(wpa_s, MSG_DEBUG,
654 " skip WPA IE - GTK cipher mismatch");
6fc6879b
JM		 655 break;
656 }
657
658 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 659 if (debug_print)
660 wpa_dbg(wpa_s, MSG_DEBUG,
661 " skip WPA IE - key mgmt mismatch");
6fc6879b
JM		 662 break;
663 }
664
e65a87b3
JM		 665 if (debug_print)
666 wpa_dbg(wpa_s, MSG_DEBUG,
667 " selected based on WPA IE");
6fc6879b
JM		 668 return 1;
669 }
670
a3f7e518
JM		 671 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
672 !rsn_ie) {
e65a87b3
JM		 673 if (debug_print)
674 wpa_dbg(wpa_s, MSG_DEBUG,
675 " allow for non-WPA IEEE 802.1X");
a3f7e518
JM		 676 return 1;
677 }
678
cc5e390d 679 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 680 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
e65a87b3
JM		 681 if (debug_print)
682 wpa_dbg(wpa_s, MSG_DEBUG,
683 " skip - no WPA/RSN proto match");
cc5e390d
JM		 684 return 0;
685 }
6fc6879b 686
df0f01d9
JM		 687 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
688 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
e65a87b3
JM		 689 if (debug_print)
690 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
df0f01d9
JM		 691 return 1;
692 }
693
c2f1fe41 694 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
e65a87b3
JM		 695 if (debug_print)
696 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
c2f1fe41
JM		 697 return 1;
698 }
699
e65a87b3
JM		 700 if (debug_print)
701 wpa_dbg(wpa_s, MSG_DEBUG,
702 " reject due to mismatch with WPA/WPA2");
c2f1fe41
JM		 703
704 return 0;
6fc6879b
JM		 705}
706
707
b766a9a2
JM		 708static int freq_allowed(int *freqs, int freq)
709{
710 int i;
711
712 if (freqs == NULL)
713 return 1;
714
715 for (i = 0; freqs[i]; i++)
716 if (freqs[i] == freq)
717 return 1;
718 return 0;
719}
720
721
e65a87b3
JM		 722static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
723 int debug_print)
e1e8cae3
CL		 724{
725 const struct hostapd_hw_modes *mode = NULL, *modes;
726 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
727 const u8 *rate_ie;
728 int i, j, k;
729
a6d94e1b
JM		 730 if (bss->freq == 0)
731 return 1; /* Cannot do matching without knowing band */
732
e1e8cae3
CL		 733 modes = wpa_s->hw.modes;
734 if (modes == NULL) {
735 /*
736 * The driver does not provide any additional information
737 * about the utilized hardware, so allow the connection attempt
738 * to continue.
739 */
740 return 1;
741 }
742
743 for (i = 0; i < wpa_s->hw.num_modes; i++) {
744 for (j = 0; j < modes[i].num_channels; j++) {
745 int freq = modes[i].channels[j].freq;
746 if (freq == bss->freq) {
747 if (mode &&
748 mode->mode == HOSTAPD_MODE_IEEE80211G)
749 break; /* do not allow 802.11b replace
750 * 802.11g */
751 mode = &modes[i];
752 break;
753 }
754 }
755 }
756
757 if (mode == NULL)
758 return 0;
759
760 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 761 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 762 if (rate_ie == NULL)
763 continue;
764
765 for (j = 2; j < rate_ie[1] + 2; j++) {
766 int flagged = !!(rate_ie[j] & 0x80);
767 int r = (rate_ie[j] & 0x7f) * 5;
768
769 /*
770 * IEEE Std 802.11n-2009 7.3.2.2:
771 * The new BSS Membership selector value is encoded
772 * like a legacy basic rate, but it is not a rate and
773 * only indicates if the BSS members are required to
774 * support the mandatory features of Clause 20 [HT PHY]
775 * in order to join the BSS.
776 */
777 if (flagged && ((rate_ie[j] & 0x7f) ==
778 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
779 if (!ht_supported(mode)) {
e65a87b3
JM		 780 if (debug_print)
781 wpa_dbg(wpa_s, MSG_DEBUG,
782 " hardware does not support HT PHY");
e1e8cae3
CL		 783 return 0;
784 }
785 continue;
786 }
787
c8ebeda4
MK		 788 /* There's also a VHT selector for 802.11ac */
789 if (flagged && ((rate_ie[j] & 0x7f) ==
790 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
791 if (!vht_supported(mode)) {
e65a87b3
JM		 792 if (debug_print)
793 wpa_dbg(wpa_s, MSG_DEBUG,
794 " hardware does not support VHT PHY");
c8ebeda4
MK		 795 return 0;
796 }
797 continue;
798 }
799
e1e8cae3
CL		 800 if (!flagged)
801 continue;
802
803 /* check for legacy basic rates */
804 for (k = 0; k < mode->num_rates; k++) {
805 if (mode->rates[k] == r)
806 break;
807 }
808 if (k == mode->num_rates) {
809 /*
810 * IEEE Std 802.11-2007 7.3.2.2 demands that in
811 * order to join a BSS all required rates
812 * have to be supported by the hardware.
813 */
e65a87b3
JM		 814 if (debug_print)
815 wpa_dbg(wpa_s, MSG_DEBUG,
816 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
817 r / 10, r % 10,
818 bss->freq, mode->mode, mode->num_rates);
e1e8cae3
CL		 819 return 0;
820 }
821 }
822 }
823
824 return 1;
825}
826
827
ff3ad3c5
VK		 828/*
829 * Test whether BSS is in an ESS.
830 * This is done differently in DMG (60 GHz) and non-DMG bands
831 */
832static int bss_is_ess(struct wpa_bss *bss)
833{
834 if (bss_is_dmg(bss)) {
835 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
836 IEEE80211_CAP_DMG_AP;
837 }
838
839 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
840 IEEE80211_CAP_ESS);
841}
842
843
79cd993a
ST		 844static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
845{
846 size_t i;
847
848 for (i = 0; i < ETH_ALEN; i++) {
849 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
850 return 0;
851 }
852 return 1;
853}
854
855
b83e4554
ST		 856static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
857{
858 size_t i;
859
860 for (i = 0; i < num; i++) {
79cd993a
ST		 861 const u8 *a = list + i * ETH_ALEN * 2;
862 const u8 *m = a + ETH_ALEN;
b83e4554 863
79cd993a 864 if (match_mac_mask(a, addr, m))
b83e4554
ST		 865 return 1;
866 }
867 return 0;
868}
869
870
84d1c0fd
AS		 871struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
872 int i, struct wpa_bss *bss,
873 struct wpa_ssid *group,
e65a87b3 874 int only_first_ssid, int debug_print)
6fc6879b 875{
620c7837 876 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 877 int wpa;
6fc6879b
JM		 878 struct wpa_blacklist *e;
879 const u8 *ie;
d8d940b7 880 struct wpa_ssid *ssid;
df0f01d9 881 int osen;
cb06cf34
DS		 882#ifdef CONFIG_MBO
883 const u8 *assoc_disallow;
884#endif /* CONFIG_MBO */
6fc6879b 885
620c7837 886 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 887 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 888
620c7837 889 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 890 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 891
df0f01d9
JM		 892 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
893 osen = ie != NULL;
894
e65a87b3
JM		 895 if (debug_print) {
896 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
897 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
898 i, MAC2STR(bss->bssid),
899 wpa_ssid_txt(bss->ssid, bss->ssid_len),
900 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
901 bss->freq,
902 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
903 " wps" : "",
904 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
905 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
906 ? " p2p" : "",
907 osen ? " osen=1" : "");
908 }
9cf32261 909
d8d940b7 910 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 911 if (e) {
912 int limit = 1;
349493bd 913 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 914 /*
915 * When only a single network is enabled, we can
916 * trigger blacklisting on the first failure. This
917 * should not be done with multiple enabled networks to
918 * avoid getting forced to move into a worse ESS on
919 * single error if there are no other BSSes of the
920 * current ESS.
921 */
922 limit = 0;
923 }
924 if (e->count > limit) {
e65a87b3
JM		 925 if (debug_print) {
926 wpa_dbg(wpa_s, MSG_DEBUG,
927 " skip - blacklisted (count=%d limit=%d)",
928 e->count, limit);
929 }
c2197bc9 930 return NULL;
5471c343 931 }
d8d940b7 932 }
6fc6879b 933
620c7837 934 if (bss->ssid_len == 0) {
e65a87b3
JM		 935 if (debug_print)
936 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 937 return NULL;
d8d940b7 938 }
e81634cd 939
6407f413 940 if (disallowed_bssid(wpa_s, bss->bssid)) {
e65a87b3
JM		 941 if (debug_print)
942 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
6407f413
JM		 943 return NULL;
944 }
945
946 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
e65a87b3
JM		 947 if (debug_print)
948 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
6407f413
JM		 949 return NULL;
950 }
951
d8d940b7 952 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 953
3d910ef4 954 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
d8d940b7 955 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 956 int res;
ad08c363 957
349493bd 958 if (wpas_network_disabled(wpa_s, ssid)) {
e65a87b3
JM		 959 if (debug_print)
960 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 961 continue;
d8d940b7 962 }
9cf32261 963
00e5e3d5
JM		 964 res = wpas_temp_disabled(wpa_s, ssid);
965 if (res > 0) {
e65a87b3
JM		 966 if (debug_print)
967 wpa_dbg(wpa_s, MSG_DEBUG,
968 " skip - disabled temporarily for %d second(s)",
969 res);
00e5e3d5
JM		 970 continue;
971 }
972
ad08c363 973#ifdef CONFIG_WPS
f648bc7d 974 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
e65a87b3
JM		 975 if (debug_print)
976 wpa_dbg(wpa_s, MSG_DEBUG,
977 " skip - blacklisted (WPS)");
f648bc7d
JM		 978 continue;
979 }
980
d8d940b7
JM		 981 if (wpa && ssid->ssid_len == 0 &&
982 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
983 check_ssid = 0;
984
985 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
986 /* Only allow wildcard SSID match if an AP
987 * advertises active WPS operation that matches
988 * with our mode. */
989 check_ssid = 1;
ad08c363 990 if (ssid->ssid_len == 0 &&
a6099152 991 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 992 check_ssid = 0;
d8d940b7 993 }
ad08c363
JM		 994#endif /* CONFIG_WPS */
995
7d232e23
ZC		 996 if (ssid->bssid_set && ssid->ssid_len == 0 &&
997 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
998 check_ssid = 0;
999
d8d940b7 1000 if (check_ssid &&
620c7837
JM		 1001 (bss->ssid_len != ssid->ssid_len ||
1002 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
e65a87b3
JM		 1003 if (debug_print)
1004 wpa_dbg(wpa_s, MSG_DEBUG,
1005 " skip - SSID mismatch");
0c703df3 1006 continue;
6fc6879b 1007 }
6fc6879b 1008
d8d940b7
JM		 1009 if (ssid->bssid_set &&
1010 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
e65a87b3
JM		 1011 if (debug_print)
1012 wpa_dbg(wpa_s, MSG_DEBUG,
1013 " skip - BSSID mismatch");
0c703df3 1014 continue;
d8d940b7 1015 }
6fc6879b 1016
b83e4554
ST		 1017 /* check blacklist */
1018 if (ssid->num_bssid_blacklist &&
1019 addr_in_list(bss->bssid, ssid->bssid_blacklist,
1020 ssid->num_bssid_blacklist)) {
e65a87b3
JM		 1021 if (debug_print)
1022 wpa_dbg(wpa_s, MSG_DEBUG,
1023 " skip - BSSID blacklisted");
b83e4554
ST		 1024 continue;
1025 }
1026
1027 /* if there is a whitelist, only accept those APs */
1028 if (ssid->num_bssid_whitelist &&
1029 !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1030 ssid->num_bssid_whitelist)) {
e65a87b3
JM		 1031 if (debug_print)
1032 wpa_dbg(wpa_s, MSG_DEBUG,
1033 " skip - BSSID not in whitelist");
b83e4554
ST		 1034 continue;
1035 }
1036
e65a87b3
JM		 1037 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1038 debug_print))
0c703df3 1039 continue;
9cf32261 1040
df0f01d9 1041 if (!osen && !wpa &&
d8d940b7
JM		 1042 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1043 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1044 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
e65a87b3
JM		 1045 if (debug_print)
1046 wpa_dbg(wpa_s, MSG_DEBUG,
1047 " skip - non-WPA network not allowed");
0c703df3 1048 continue;
6fc6879b 1049 }
9cf32261 1050
86bd1410
JM		 1051 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1052 has_wep_key(ssid)) {
e65a87b3
JM		 1053 if (debug_print)
1054 wpa_dbg(wpa_s, MSG_DEBUG,
1055 " skip - ignore WPA/WPA2 AP for WEP network block");
86bd1410
JM		 1056 continue;
1057 }
1058
df0f01d9 1059 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen) {
e65a87b3
JM		 1060 if (debug_print)
1061 wpa_dbg(wpa_s, MSG_DEBUG,
1062 " skip - non-OSEN network not allowed");
df0f01d9
JM		 1063 continue;
1064 }
1065
29fbc522 1066 if (!wpa_supplicant_match_privacy(bss, ssid)) {
e65a87b3
JM		 1067 if (debug_print)
1068 wpa_dbg(wpa_s, MSG_DEBUG,
1069 " skip - privacy mismatch");
0c703df3 1070 continue;
e81634cd
JM		 1071 }
1072
70351623
MH		 1073 if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) &&
1074 !bss_is_pbss(bss)) {
e65a87b3
JM		 1075 if (debug_print)
1076 wpa_dbg(wpa_s, MSG_DEBUG,
1077 " skip - not ESS, PBSS, or MBSS");
b9074912
LD		 1078 continue;
1079 }
1080
90f14962 1081 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
e65a87b3
JM		 1082 if (debug_print)
1083 wpa_dbg(wpa_s, MSG_DEBUG,
1084 " skip - PBSS mismatch (ssid %d bss %d)",
1085 ssid->pbss, bss_is_pbss(bss));
0c703df3 1086 continue;
d8d940b7 1087 }
b766a9a2 1088
d8d940b7 1089 if (!freq_allowed(ssid->freq_list, bss->freq)) {
e65a87b3
JM		 1090 if (debug_print)
1091 wpa_dbg(wpa_s, MSG_DEBUG,
1092 " skip - frequency not allowed");
0c703df3 1093 continue;
6fc6879b 1094 }
d8d940b7 1095
fac72f93
MH		 1096#ifdef CONFIG_MESH
1097 if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 &&
1098 ssid->frequency != bss->freq) {
e65a87b3
JM		 1099 if (debug_print)
1100 wpa_dbg(wpa_s, MSG_DEBUG,
1101 " skip - frequency not allowed (mesh)");
fac72f93
MH		 1102 continue;
1103 }
1104#endif /* CONFIG_MESH */
1105
e65a87b3
JM		 1106 if (!rate_match(wpa_s, bss, debug_print)) {
1107 if (debug_print)
1108 wpa_dbg(wpa_s, MSG_DEBUG,
1109 " skip - rate sets do not match");
e1e8cae3
CL		 1110 continue;
1111 }
1112
81a10a94
JM		 1113#ifndef CONFIG_IBSS_RSN
1114 if (ssid->mode == WPAS_MODE_IBSS &&
1115 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1116 WPA_KEY_MGMT_WPA_NONE))) {
e65a87b3
JM		 1117 if (debug_print)
1118 wpa_dbg(wpa_s, MSG_DEBUG,
1119 " skip - IBSS RSN not supported in the build");
81a10a94
JM		 1120 continue;
1121 }
1122#endif /* !CONFIG_IBSS_RSN */
1123
73e49269 1124#ifdef CONFIG_P2P
b72e14e5
JM		 1125 if (ssid->p2p_group &&
1126 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1127 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
e65a87b3
JM		 1128 if (debug_print)
1129 wpa_dbg(wpa_s, MSG_DEBUG,
1130 " skip - no P2P IE seen");
b72e14e5
JM		 1131 continue;
1132 }
1133
9ec87666
JM		 1134 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1135 struct wpabuf *p2p_ie;
1136 u8 dev_addr[ETH_ALEN];
1137
1138 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1139 if (ie == NULL) {
e65a87b3
JM		 1140 if (debug_print)
1141 wpa_dbg(wpa_s, MSG_DEBUG,
1142 " skip - no P2P element");
9ec87666
JM		 1143 continue;
1144 }
1145 p2p_ie = wpa_bss_get_vendor_ie_multi(
1146 bss, P2P_IE_VENDOR_TYPE);
1147 if (p2p_ie == NULL) {
e65a87b3
JM		 1148 if (debug_print)
1149 wpa_dbg(wpa_s, MSG_DEBUG,
1150 " skip - could not fetch P2P element");
9ec87666
JM		 1151 continue;
1152 }
1153
1154 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1155 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1156 ETH_ALEN) != 0) {
e65a87b3
JM		 1157 if (debug_print)
1158 wpa_dbg(wpa_s, MSG_DEBUG,
1159 " skip - no matching GO P2P Device Address in P2P element");
9ec87666
JM		 1160 wpabuf_free(p2p_ie);
1161 continue;
1162 }
1163 wpabuf_free(p2p_ie);
1164 }
1165
73e49269
JM		 1166 /*
1167 * TODO: skip the AP if its P2P IE has Group Formation
1168 * bit set in the P2P Group Capability Bitmap and we
1169 * are not in Group Formation with that device.
1170 */
1171#endif /* CONFIG_P2P */
1172
dfaf11d6
JM		 1173 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1174 {
1175 struct os_reltime diff;
1176
1177 os_reltime_sub(&wpa_s->scan_min_time,
1178 &bss->last_update, &diff);
e65a87b3
JM		 1179 if (debug_print)
1180 wpa_dbg(wpa_s, MSG_DEBUG,
1181 " skip - scan result not recent enough (%u.%06u seconds too old)",
dfaf11d6
JM		 1182 (unsigned int) diff.sec,
1183 (unsigned int) diff.usec);
1184 continue;
1185 }
cb06cf34 1186#ifdef CONFIG_MBO
6ad37d73 1187#ifdef CONFIG_TESTING_OPTIONS
1188 if (wpa_s->ignore_assoc_disallow)
1189 goto skip_assoc_disallow;
1190#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34
DS		 1191 assoc_disallow = wpas_mbo_get_bss_attr(
1192 bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1193 if (assoc_disallow && assoc_disallow[1] >= 1) {
e65a87b3
JM		 1194 if (debug_print)
1195 wpa_dbg(wpa_s, MSG_DEBUG,
1196 " skip - MBO association disallowed (reason %u)",
cb06cf34
DS		 1197 assoc_disallow[2]);
1198 continue;
1199 }
dd599908
AS		 1200
1201 if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) {
e65a87b3
JM		 1202 if (debug_print)
1203 wpa_dbg(wpa_s, MSG_DEBUG,
1204 " skip - MBO retry delay has not passed yet");
dd599908
AS		 1205 continue;
1206 }
6ad37d73 1207#ifdef CONFIG_TESTING_OPTIONS
1208 skip_assoc_disallow:
1209#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34 1210#endif /* CONFIG_MBO */
dfaf11d6 1211
d8d940b7
JM		 1212 /* Matching configuration found */
1213 return ssid;
6fc6879b
JM		 1214 }
1215
d8d940b7 1216 /* No matching configuration found */
c2197bc9 1217 return NULL;
9cf32261
JM		 1218}
1219
1220
6fa81a3b 1221static struct wpa_bss *
a1fd2ce5 1222wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 1223 struct wpa_ssid *group,
3d910ef4
JM		 1224 struct wpa_ssid **selected_ssid,
1225 int only_first_ssid)
9cf32261 1226{
620c7837 1227 unsigned int i;
9cf32261 1228
e65a87b3
JM		 1229 if (wpa_s->current_ssid) {
1230 struct wpa_ssid *ssid;
1231
1232 wpa_dbg(wpa_s, MSG_DEBUG,
1233 "Scan results matching the currently selected network");
1234 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1235 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1236
1237 ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1238 only_first_ssid, 0);
1239 if (ssid != wpa_s->current_ssid)
1240 continue;
1241 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1242 " freq=%d level=%d snr=%d est_throughput=%u",
1243 i, MAC2STR(bss->bssid), bss->freq, bss->level,
1244 bss->snr, bss->est_throughput);
1245 }
1246 }
1247
3d910ef4
JM		 1248 if (only_first_ssid)
1249 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1250 group->id);
1251 else
1252 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1253 group->priority);
9cf32261 1254
620c7837
JM		 1255 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1256 struct wpa_bss *bss = wpa_s->last_scan_res[i];
3d910ef4 1257 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
e65a87b3 1258 only_first_ssid, 1);
d8d940b7
JM		 1259 if (!*selected_ssid)
1260 continue;
f049052b
BG		 1261 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
1262 " ssid='%s'",
620c7837
JM		 1263 MAC2STR(bss->bssid),
1264 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1265 return bss;
d8d940b7
JM		 1266 }
1267
1268 return NULL;
6fc6879b
JM		 1269}
1270
1271
97236cee
MH		 1272struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1273 struct wpa_ssid **selected_ssid)
6fc6879b 1274{
6fa81a3b 1275 struct wpa_bss *selected = NULL;
09b9df4e 1276 int prio;
7c373ac2 1277 struct wpa_ssid *next_ssid = NULL;
a52410c2 1278 struct wpa_ssid *ssid;
09b9df4e 1279
620c7837
JM		 1280 if (wpa_s->last_scan_res == NULL ||
1281 wpa_s->last_scan_res_used == 0)
1282 return NULL; /* no scan results from last update */
1283
7c373ac2 1284 if (wpa_s->next_ssid) {
7c373ac2
JM		 1285 /* check that next_ssid is still valid */
1286 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1287 if (ssid == wpa_s->next_ssid)
1288 break;
1289 }
1290 next_ssid = ssid;
1291 wpa_s->next_ssid = NULL;
1292 }
3d910ef4 1293
7c373ac2
JM		 1294 while (selected == NULL) {
1295 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1296 if (next_ssid && next_ssid->priority ==
1297 wpa_s->conf->pssid[prio]->priority) {
3d910ef4 1298 selected = wpa_supplicant_select_bss(
7c373ac2 1299 wpa_s, next_ssid, selected_ssid, 1);
3d910ef4
JM		 1300 if (selected)
1301 break;
1302 }
09b9df4e 1303 selected = wpa_supplicant_select_bss(
620c7837 1304 wpa_s, wpa_s->conf->pssid[prio],
3d910ef4 1305 selected_ssid, 0);
09b9df4e
JM		 1306 if (selected)
1307 break;
1308 }
1309
8945cc45
BM		 1310 if (selected == NULL && wpa_s->blacklist &&
1311 !wpa_s->countermeasures) {
f049052b
BG		 1312 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1313 "blacklist and try again");
09b9df4e
JM		 1314 wpa_blacklist_clear(wpa_s);
1315 wpa_s->blacklist_cleared++;
1316 } else if (selected == NULL)
1317 break;
1318 }
1319
a52410c2
JM		 1320 ssid = *selected_ssid;
1321 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1322 !ssid->passphrase && !ssid->ext_psk) {
1323 const char *field_name, *txt = NULL;
1324
1325 wpa_dbg(wpa_s, MSG_DEBUG,
1326 "PSK/passphrase not yet available for the selected network");
1327
1328 wpas_notify_network_request(wpa_s, ssid,
1329 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1330
1331 field_name = wpa_supplicant_ctrl_req_to_string(
1332 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1333 if (field_name == NULL)
1334 return NULL;
1335
1336 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1337
1338 selected = NULL;
1339 }
1340
09b9df4e
JM		 1341 return selected;
1342}
1343
1344
1345static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 1346 int timeout_sec, int timeout_usec)
09b9df4e 1347{
349493bd 1348 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 1349 /*
1350 * No networks are enabled; short-circuit request so
1351 * we don't wait timeout seconds before transitioning
1352 * to INACTIVE state.
1353 */
ac06fb12
JM		 1354 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1355 "since there are no enabled networks");
4f34d51a
SL		 1356 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1357 return;
09b9df4e 1358 }
5cc70322
JM		 1359
1360 wpa_s->scan_for_connection = 1;
977b1174 1361 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 1362}
1363
1364
5cbd88d9
JJ		 1365int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1366 struct wpa_bss *selected,
1367 struct wpa_ssid *ssid)
09b9df4e
JM		 1368{
1369 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1370 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1371 "PBC session overlap");
1a2f7ca1 1372 wpas_notify_wps_event_pbc_overlap(wpa_s);
b73bf0a7 1373#ifdef CONFIG_P2P
ace0fbdb
AS		 1374 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1375 wpa_s->p2p_in_provisioning) {
1376 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1377 wpa_s, NULL);
5cbd88d9 1378 return -1;
ace0fbdb 1379 }
b73bf0a7 1380#endif /* CONFIG_P2P */
199716ad
BG		 1381
1382#ifdef CONFIG_WPS
0a7b2a02 1383 wpas_wps_pbc_overlap(wpa_s);
7736f18b 1384 wpas_wps_cancel(wpa_s);
199716ad 1385#endif /* CONFIG_WPS */
5cbd88d9 1386 return -1;
09b9df4e
JM		 1387 }
1388
b0680017
JM		 1389 wpa_msg(wpa_s, MSG_DEBUG,
1390 "Considering connect request: reassociate: %d selected: "
1391 MACSTR " bssid: " MACSTR " pending: " MACSTR
1392 " wpa_state: %s ssid=%p current_ssid=%p",
1393 wpa_s->reassociate, MAC2STR(selected->bssid),
1394 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1395 wpa_supplicant_state_txt(wpa_s->wpa_state),
1396 ssid, wpa_s->current_ssid);
1397
09b9df4e
JM		 1398 /*
1399 * Do not trigger new association unless the BSSID has changed or if
1400 * reassociation is requested. If we are in process of associating with
1401 * the selected BSSID, do not trigger new attempt.
1402 */
1403 if (wpa_s->reassociate ||
1404 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 1405 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1406 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 1407 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1408 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1409 0) ||
1410 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1411 ssid != wpa_s->current_ssid)))) {
09b9df4e 1412 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 1413 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 1414 return 0;
09b9df4e 1415 }
b0680017
JM		 1416 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1417 MAC2STR(selected->bssid));
09b9df4e
JM		 1418 wpa_supplicant_associate(wpa_s, selected, ssid);
1419 } else {
b0680017
JM		 1420 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1421 "connect with the selected AP");
09b9df4e 1422 }
5cbd88d9
JJ		 1423
1424 return 0;
09b9df4e
JM		 1425}
1426
1427
b55aaa5f
JM		 1428static struct wpa_ssid *
1429wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1430{
1431 int prio;
1432 struct wpa_ssid *ssid;
1433
1434 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1435 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1436 {
349493bd 1437 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f 1438 continue;
81a10a94
JM		 1439#ifndef CONFIG_IBSS_RSN
1440 if (ssid->mode == WPAS_MODE_IBSS &&
1441 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1442 WPA_KEY_MGMT_WPA_NONE))) {
1443 wpa_msg(wpa_s, MSG_INFO,
1444 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1445 wpa_ssid_txt(ssid->ssid,
1446 ssid->ssid_len));
1447 continue;
1448 }
1449#endif /* !CONFIG_IBSS_RSN */
b55aaa5f 1450 if (ssid->mode == IEEE80211_MODE_IBSS ||
476e6bb6
TP		 1451 ssid->mode == IEEE80211_MODE_AP ||
1452 ssid->mode == IEEE80211_MODE_MESH)
b55aaa5f
JM		 1453 return ssid;
1454 }
1455 }
1456 return NULL;
1457}
1458
1459
a1fd2ce5
JM		 1460/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1461 * on BSS added and BSS changed events */
6ae93185 1462static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 1463 struct wpa_supplicant *wpa_s)
6ae93185 1464{
6d28fb96 1465 struct wpa_bss *bss;
6ae93185
JM		 1466
1467 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1468 return;
1469
6d28fb96 1470 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1471 const u8 *ssid, *rsn;
6ae93185 1472
6d28fb96 1473 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1474 if (ssid == NULL)
1475 continue;
1476
6d28fb96 1477 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1478 if (rsn == NULL)
1479 continue;
1480
6d28fb96 1481 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1482 }
1483
1484}
1485
1486
48563d86
JM		 1487static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1488 struct wpa_bss *selected,
20ed5e40 1489 struct wpa_ssid *ssid)
48563d86 1490{
20ed5e40 1491 struct wpa_bss *current_bss = NULL;
ce18c107 1492#ifndef CONFIG_NO_ROAMING
8d1e6931 1493 int min_diff, diff;
954e10e4 1494 int to_5ghz;
8d1e6931 1495 int cur_est, sel_est;
ce18c107 1496#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1497
1498 if (wpa_s->reassociate)
1499 return 1; /* explicit request to reassociate */
1500 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1501 return 1; /* we are not associated; continue */
1502 if (wpa_s->current_ssid == NULL)
1503 return 1; /* unknown current SSID */
1504 if (wpa_s->current_ssid != ssid)
1505 return 1; /* different network block */
1506
22628eca
JM		 1507 if (wpas_driver_bss_selection(wpa_s))
1508 return 0; /* Driver-based roaming */
1509
20ed5e40
JM		 1510 if (wpa_s->current_ssid->ssid)
1511 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1512 wpa_s->current_ssid->ssid,
1513 wpa_s->current_ssid->ssid_len);
1514 if (!current_bss)
1515 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1516
1517 if (!current_bss)
1518 return 1; /* current BSS not seen in scan results */
1519
20ed5e40
JM		 1520 if (current_bss == selected)
1521 return 0;
1522
1523 if (selected->last_update_idx > current_bss->last_update_idx)
1524 return 1; /* current BSS not seen in the last scan */
1525
e9af53ad 1526#ifndef CONFIG_NO_ROAMING
f049052b 1527 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
0d2030ee 1528 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
8d1e6931
JM		 1529 " freq=%d level=%d snr=%d est_throughput=%u",
1530 MAC2STR(current_bss->bssid),
1531 current_bss->freq, current_bss->level,
0d2030ee
JM		 1532 current_bss->snr, current_bss->est_throughput);
1533 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
8d1e6931
JM		 1534 " freq=%d level=%d snr=%d est_throughput=%u",
1535 MAC2STR(selected->bssid), selected->freq, selected->level,
0d2030ee 1536 selected->snr, selected->est_throughput);
48563d86 1537
ac26ebd8
JM		 1538 if (wpa_s->current_ssid->bssid_set &&
1539 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1540 0) {
f049052b
BG		 1541 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1542 "has preferred BSSID");
ac26ebd8
JM		 1543 return 1;
1544 }
1545
0d2030ee
JM		 1546 if (selected->est_throughput > current_bss->est_throughput + 5000) {
1547 wpa_dbg(wpa_s, MSG_DEBUG,
1548 "Allow reassociation - selected BSS has better estimated throughput");
1549 return 1;
1550 }
1551
954e10e4
JM		 1552 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1553
1554 if (current_bss->level < 0 &&
1555 current_bss->level > selected->level + to_5ghz * 2) {
bff954e9
RS		 1556 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1557 "signal level");
1558 return 0;
1559 }
1560
8d1e6931
JM		 1561 if (current_bss->est_throughput > selected->est_throughput + 5000) {
1562 wpa_dbg(wpa_s, MSG_DEBUG,
1563 "Skip roam - Current BSS has better estimated throughput");
bcf66493 1564 return 0;
8d1e6931
JM		 1565 }
1566
1567 cur_est = current_bss->est_throughput;
1568 sel_est = selected->est_throughput;
48563d86
JM		 1569 min_diff = 2;
1570 if (current_bss->level < 0) {
1571 if (current_bss->level < -85)
1572 min_diff = 1;
1573 else if (current_bss->level < -80)
1574 min_diff = 2;
1575 else if (current_bss->level < -75)
1576 min_diff = 3;
1577 else if (current_bss->level < -70)
1578 min_diff = 4;
1579 else
1580 min_diff = 5;
8d1e6931
JM		 1581 if (cur_est > sel_est * 1.5)
1582 min_diff += 10;
1583 else if (cur_est > sel_est * 1.2)
1584 min_diff += 5;
1585 else if (cur_est > sel_est * 1.1)
1586 min_diff += 2;
1587 else if (cur_est > sel_est)
1588 min_diff++;
48563d86 1589 }
954e10e4 1590 if (to_5ghz) {
8d1e6931
JM		 1591 int reduce = 2;
1592
954e10e4 1593 /* Make it easier to move to 5 GHz band */
8d1e6931
JM		 1594 if (sel_est > cur_est * 1.5)
1595 reduce = 5;
1596 else if (sel_est > cur_est * 1.2)
1597 reduce = 4;
1598 else if (sel_est > cur_est * 1.1)
1599 reduce = 3;
1600
1601 if (min_diff > reduce)
1602 min_diff -= reduce;
954e10e4
JM		 1603 else
1604 min_diff = 0;
1605 }
8d1e6931
JM		 1606 diff = abs(current_bss->level - selected->level);
1607 if (diff < min_diff) {
1608 wpa_dbg(wpa_s, MSG_DEBUG,
1609 "Skip roam - too small difference in signal level (%d < %d)",
1610 diff, min_diff);
48563d86
JM		 1611 return 0;
1612 }
1613
8d1e6931
JM		 1614 wpa_dbg(wpa_s, MSG_DEBUG,
1615 "Allow reassociation due to difference in signal level (%d >= %d)",
1616 diff, min_diff);
48563d86 1617 return 1;
e9af53ad
DS		 1618#else /* CONFIG_NO_ROAMING */
1619 return 0;
1620#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1621}
1622
cd2f4ddf 1623
e3e2fe3a
AS		 1624/*
1625 * Return a negative value if no scan results could be fetched or if scan
1626 * results should not be shared with other virtual interfaces.
1627 * Return 0 if scan results were fetched and may be shared with other
1628 * interfaces.
1629 * Return 1 if scan results may be shared with other virtual interfaces but may
1630 * not trigger any operations.
1631 * Return 2 if the interface was removed and cannot be used.
1632 */
e1504976 1633static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50 1634 union wpa_event_data *data,
e3e2fe3a 1635 int own_request, int update_only)
09b9df4e 1636{
d12a51b5
JM		 1637 struct wpa_scan_results *scan_res = NULL;
1638 int ret = 0;
5bc0cdb7 1639 int ap = 0;
7b1aa4fe
JM		 1640#ifndef CONFIG_NO_RANDOM_POOL
1641 size_t i, num;
1642#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1643
1644#ifdef CONFIG_AP
1645 if (wpa_s->ap_iface)
1646 ap = 1;
1647#endif /* CONFIG_AP */
6fc6879b 1648
cb8564b1
DW		 1649 wpa_supplicant_notify_scanning(wpa_s, 0);
1650
a1fd2ce5
JM		 1651 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1652 data ? &data->scan_info :
1653 NULL, 1);
1654 if (scan_res == NULL) {
66fe0f70
DS		 1655 if (wpa_s->conf->ap_scan == 2 || ap ||
1656 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1657 return -1;
cfd31b50
JM		 1658 if (!own_request)
1659 return -1;
adcd7c4b
KV		 1660 if (data && data->scan_info.external_scan)
1661 return -1;
f049052b
BG		 1662 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1663 "scanning again");
977b1174 1664 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
d12a51b5
JM		 1665 ret = -1;
1666 goto scan_work_done;
6fc6879b
JM		 1667 }
1668
bbb921da 1669#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1670 num = scan_res->num;
1671 if (num > 10)
1672 num = 10;
1673 for (i = 0; i < num; i++) {
1674 u8 buf[5];
1675 struct wpa_scan_res *res = scan_res->res[i];
1676 buf[0] = res->bssid[5];
1677 buf[1] = res->qual & 0xff;
1678 buf[2] = res->noise & 0xff;
1679 buf[3] = res->level & 0xff;
1680 buf[4] = res->tsf & 0xff;
1681 random_add_randomness(buf, sizeof(buf));
1682 }
1683#endif /* CONFIG_NO_RANDOM_POOL */
1684
e3e2fe3a
AS		 1685 if (update_only) {
1686 ret = 1;
1687 goto scan_work_done;
1688 }
1689
06f9acce 1690 if (own_request && wpa_s->scan_res_handler &&
adcd7c4b 1691 !(data && data->scan_info.external_scan)) {
860fddbb
JB		 1692 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1693 struct wpa_scan_results *scan_res);
1694
1695 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1696 wpa_s->scan_res_handler = NULL;
860fddbb 1697 scan_res_handler(wpa_s, scan_res);
e3e2fe3a 1698 ret = 1;
d12a51b5 1699 goto scan_work_done;
64e58f51
JM		 1700 }
1701
5bc0cdb7 1702 if (ap) {
f049052b 1703 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1704#ifdef CONFIG_AP
1705 if (wpa_s->ap_iface->scan_cb)
1706 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1707#endif /* CONFIG_AP */
d12a51b5 1708 goto scan_work_done;
5bc0cdb7
JM		 1709 }
1710
a5f40eff 1711 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
adcd7c4b
KV		 1712 wpa_s->own_scan_running,
1713 data ? data->scan_info.external_scan : 0);
d81c73be 1714 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
adcd7c4b
KV		 1715 wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1716 own_request && !(data && data->scan_info.external_scan)) {
d81c73be
JM		 1717 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1718 wpa_s->manual_scan_id);
1719 wpa_s->manual_scan_use_id = 0;
1720 } else {
1721 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1722 }
24f76940 1723 wpas_notify_scan_results(wpa_s);
6fc6879b 1724
8bac466b
JM		 1725 wpas_notify_scan_done(wpa_s, 1);
1726
adcd7c4b 1727 if (data && data->scan_info.external_scan) {
015af91f
JM		 1728 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1729 wpa_scan_results_free(scan_res);
1730 return 0;
1731 }
1732
75d65857 1733 if (wnm_scan_process(wpa_s, 1) > 0)
d0b9ab69
JM		 1734 goto scan_work_done;
1735
d12a51b5
JM		 1736 if (sme_proc_obss_scan(wpa_s) > 0)
1737 goto scan_work_done;
c3701c66 1738
76196ddb
AS		 1739 if (own_request &&
1740 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
1741 goto scan_work_done;
1742
d12a51b5
JM		 1743 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1744 goto scan_work_done;
6fc6879b 1745
d12a51b5
JM		 1746 if (autoscan_notify_scan(wpa_s, scan_res))
1747 goto scan_work_done;
7c865c68 1748
3180d7a2
SO		 1749 if (wpa_s->disconnected) {
1750 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
d12a51b5 1751 goto scan_work_done;
3180d7a2
SO		 1752 }
1753
22628eca 1754 if (!wpas_driver_bss_selection(wpa_s) &&
d12a51b5
JM		 1755 bgscan_notify_scan(wpa_s, scan_res) == 1)
1756 goto scan_work_done;
a1fd2ce5 1757
f9f0526b
JM		 1758 wpas_wps_update_ap_info(wpa_s, scan_res);
1759
706e11a4
AN		 1760 if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1761 wpa_s->wpa_state < WPA_COMPLETED)
1762 goto scan_work_done;
1763
20ed5e40
JM		 1764 wpa_scan_results_free(scan_res);
1765
adcd7c4b 1766 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1767 struct wpa_radio_work *work = wpa_s->scan_work;
1768 wpa_s->scan_work = NULL;
1769 radio_work_done(work);
1770 }
1771
cc4952ad 1772 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
d12a51b5
JM		 1773
1774scan_work_done:
1775 wpa_scan_results_free(scan_res);
adcd7c4b 1776 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1777 struct wpa_radio_work *work = wpa_s->scan_work;
1778 wpa_s->scan_work = NULL;
1779 radio_work_done(work);
1780 }
1781 return ret;
a594e2a9
JM		 1782}
1783
1784
06b7f58d 1785static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 1786 int new_scan, int own_request)
a594e2a9
JM		 1787{
1788 struct wpa_bss *selected;
1789 struct wpa_ssid *ssid = NULL;
9bd566a3
AS		 1790 int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1791
1792 if (time_to_reenable > 0) {
1793 wpa_dbg(wpa_s, MSG_DEBUG,
1794 "Postpone network selection by %d seconds since all networks are disabled",
1795 time_to_reenable);
1796 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1797 eloop_register_timeout(time_to_reenable, 0,
1798 wpas_network_reenabled, wpa_s, NULL);
1799 return 0;
1800 }
a594e2a9 1801
44b9ea5b
JM		 1802 if (wpa_s->p2p_mgmt)
1803 return 0; /* no normal connection on p2p_mgmt interface */
1804
620c7837
JM		 1805 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1806
70351623
MH		 1807#ifdef CONFIG_MESH
1808 if (wpa_s->ifmsh) {
1809 wpa_msg(wpa_s, MSG_INFO,
1810 "Avoiding join because we already joined a mesh group");
1811 return 0;
1812 }
1813#endif /* CONFIG_MESH */
1814
6fc6879b 1815 if (selected) {
48563d86 1816 int skip;
20ed5e40 1817 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1818 if (skip) {
06b7f58d
JM		 1819 if (new_scan)
1820 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1821 return 0;
1bbff09e 1822 }
5cbd88d9 1823
0e6a2cf2
AB		 1824 if (ssid != wpa_s->current_ssid &&
1825 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1826 wpa_s->own_disconnect_req = 1;
1827 wpa_supplicant_deauthenticate(
1828 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1829 }
1830
5cbd88d9
JJ		 1831 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1832 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1833 return -1;
1834 }
06b7f58d
JM		 1835 if (new_scan)
1836 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313 1837 /*
e3e2fe3a
AS		 1838 * Do not allow other virtual radios to trigger operations based
1839 * on these scan results since we do not want them to start
1840 * other associations at the same time.
0dd54313
JM		 1841 */
1842 return 1;
6fc6879b 1843 } else {
f049052b 1844 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 1845 ssid = wpa_supplicant_pick_new_network(wpa_s);
1846 if (ssid) {
f049052b 1847 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 1848 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 1849 if (new_scan)
1850 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
cc4952ad
JJ		 1851 } else if (own_request) {
1852 /*
1853 * No SSID found. If SCAN results are as a result of
1854 * own scan request and not due to a scan request on
1855 * another shared interface, try another scan.
1856 */
67b9bd08 1857 int timeout_sec = wpa_s->scan_interval;
977b1174 1858 int timeout_usec = 0;
0817de90 1859#ifdef CONFIG_P2P
b0e669be
JM		 1860 int res;
1861
1862 res = wpas_p2p_scan_no_go_seen(wpa_s);
1863 if (res == 2)
1864 return 2;
1865 if (res == 1)
aa9bb764
JM		 1866 return 0;
1867
6fc48481 1868 if (wpa_s->p2p_in_provisioning ||
41d5ce9e
RR		 1869 wpa_s->show_group_started ||
1870 wpa_s->p2p_in_invitation) {
0817de90
JM		 1871 /*
1872 * Use shorter wait during P2P Provisioning
6fc48481
RR		 1873 * state and during P2P join-a-group operation
1874 * to speed up group formation.
0817de90
JM		 1875 */
1876 timeout_sec = 0;
1877 timeout_usec = 250000;
a4cba8f1
LC		 1878 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1879 timeout_usec);
1880 return 0;
0817de90
JM		 1881 }
1882#endif /* CONFIG_P2P */
4d5bda5f
JM		 1883#ifdef CONFIG_INTERWORKING
1884 if (wpa_s->conf->auto_interworking &&
1885 wpa_s->conf->interworking &&
1886 wpa_s->conf->cred) {
1887 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1888 "start ANQP fetch since no matching "
1889 "networks found");
1890 wpa_s->network_select = 1;
1891 wpa_s->auto_network_select = 1;
1892 interworking_start_fetch_anqp(wpa_s);
0dd54313 1893 return 1;
4d5bda5f
JM		 1894 }
1895#endif /* CONFIG_INTERWORKING */
662b40b1 1896#ifdef CONFIG_WPS
538d6f4b 1897 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
662b40b1
JM		 1898 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1899 timeout_sec = 0;
1900 timeout_usec = 500000;
1901 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1902 timeout_usec);
1903 return 0;
1904 }
1905#endif /* CONFIG_WPS */
a4cba8f1
LC		 1906 if (wpa_supplicant_req_sched_scan(wpa_s))
1907 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1908 timeout_usec);
4f39908b
DS		 1909
1910 wpa_msg_ctrl(wpa_s, MSG_INFO,
1911 WPA_EVENT_NETWORK_NOT_FOUND);
977b1174 1912 }
6fc6879b 1913 }
e1504976 1914 return 0;
6fc6879b 1915}
6859f1cb
BG		 1916
1917
b0e669be
JM		 1918static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1919 union wpa_event_data *data)
6859f1cb 1920{
6859f1cb 1921 struct wpa_supplicant *ifs;
b0e669be 1922 int res;
6859f1cb 1923
e3e2fe3a 1924 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
b0e669be
JM		 1925 if (res == 2) {
1926 /*
1927 * Interface may have been removed, so must not dereference
1928 * wpa_s after this.
1929 */
1930 return 1;
1931 }
e3e2fe3a
AS		 1932
1933 if (res < 0) {
e1504976
BG		 1934 /*
1935 * If no scan results could be fetched, then no need to
1936 * notify those interfaces that did not actually request
0dd54313
JM		 1937 * this scan. Similarly, if scan results started a new operation on this
1938 * interface, do not notify other interfaces to avoid concurrent
1939 * operations during a connection attempt.
e1504976 1940 */
b0e669be 1941 return 0;
e1504976 1942 }
6859f1cb
BG		 1943
1944 /*
f88f19b4 1945 * Check other interfaces to see if they share the same radio. If
6859f1cb
BG		 1946 * so, they get updated with this same scan info.
1947 */
f88f19b4
JM		 1948 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1949 radio_list) {
1950 if (ifs != wpa_s) {
6859f1cb
BG		 1951 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1952 "sibling", ifs->ifname);
e3e2fe3a
AS		 1953 res = _wpa_supplicant_event_scan_results(ifs, data, 0,
1954 res > 0);
1955 if (res < 0)
1956 return 0;
6859f1cb
BG		 1957 }
1958 }
b0e669be
JM		 1959
1960 return 0;
6859f1cb
BG		 1961}
1962
6fc6879b
JM		 1963#endif /* CONFIG_NO_SCAN_PROCESSING */
1964
1965
cecdddc1
PS		 1966int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1967{
1968#ifdef CONFIG_NO_SCAN_PROCESSING
1969 return -1;
1970#else /* CONFIG_NO_SCAN_PROCESSING */
a12d3454 1971 struct os_reltime now;
cecdddc1 1972
6e374bd4
JM		 1973 wpa_s->ignore_post_flush_scan_res = 0;
1974
c1a14ef4 1975 if (wpa_s->last_scan_res_used == 0)
cecdddc1
PS		 1976 return -1;
1977
a12d3454
JB		 1978 os_get_reltime(&now);
1979 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
cecdddc1
PS		 1980 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1981 return -1;
1982 }
1983
cc4952ad 1984 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
cecdddc1
PS		 1985#endif /* CONFIG_NO_SCAN_PROCESSING */
1986}
1987
b6668734
JM		 1988#ifdef CONFIG_WNM
1989
1990static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1991{
1992 struct wpa_supplicant *wpa_s = eloop_ctx;
1993
1994 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1995 return;
1996
2ec535fd
JM		 1997 if (!wpa_s->no_keep_alive) {
1998 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1999 MAC2STR(wpa_s->bssid));
2000 /* TODO: could skip this if normal data traffic has been sent */
2001 /* TODO: Consider using some more appropriate data frame for
2002 * this */
2003 if (wpa_s->l2)
2004 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2005 (u8 *) "", 0);
2006 }
b6668734 2007
597c7a8d 2008#ifdef CONFIG_SME
b6668734
JM		 2009 if (wpa_s->sme.bss_max_idle_period) {
2010 unsigned int msec;
2011 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2012 if (msec > 100)
2013 msec -= 100;
2014 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2015 wnm_bss_keep_alive, wpa_s, NULL);
2016 }
597c7a8d 2017#endif /* CONFIG_SME */
b6668734
JM		 2018}
2019
2020
2021static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2022 const u8 *ies, size_t ies_len)
2023{
2024 struct ieee802_11_elems elems;
2025
2026 if (ies == NULL)
2027 return;
2028
2029 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2030 return;
2031
2032#ifdef CONFIG_SME
2033 if (elems.bss_max_idle_period) {
2034 unsigned int msec;
2035 wpa_s->sme.bss_max_idle_period =
2036 WPA_GET_LE16(elems.bss_max_idle_period);
2037 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2038 "TU)%s", wpa_s->sme.bss_max_idle_period,
2039 (elems.bss_max_idle_period[2] & 0x01) ?
2040 " (protected keep-live required)" : "");
2041 if (wpa_s->sme.bss_max_idle_period == 0)
2042 wpa_s->sme.bss_max_idle_period = 1;
2043 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2044 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2045 /* msec times 1000 */
2046 msec = wpa_s->sme.bss_max_idle_period * 1024;
2047 if (msec > 100)
2048 msec -= 100;
2049 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2050 wnm_bss_keep_alive, wpa_s,
2051 NULL);
2052 }
2053 }
2054#endif /* CONFIG_SME */
2055}
2056
2057#endif /* CONFIG_WNM */
2058
2059
2060void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2061{
2062#ifdef CONFIG_WNM
2063 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2064#endif /* CONFIG_WNM */
2065}
2066
2067
56f5af48
JM		 2068#ifdef CONFIG_INTERWORKING
2069
2070static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2071 size_t len)
2072{
2073 int res;
2074
2075 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2076 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2077 if (res) {
2078 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2079 }
2080
2081 return res;
2082}
2083
2084
2085static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2086 const u8 *ies, size_t ies_len)
2087{
2088 struct ieee802_11_elems elems;
2089
2090 if (ies == NULL)
2091 return;
2092
2093 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2094 return;
2095
2096 if (elems.qos_map_set) {
2097 wpas_qos_map_set(wpa_s, elems.qos_map_set,
2098 elems.qos_map_set_len);
2099 }
2100}
2101
2102#endif /* CONFIG_INTERWORKING */
2103
2104
ea708118
DL		 2105#ifdef CONFIG_FST
2106static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2107 const u8 *ie, size_t ie_len)
2108{
2109 struct mb_ies_info mb_ies;
2110
2111 if (!ie || !ie_len || !wpa_s->fst)
2112 return -ENOENT;
2113
2114 os_memset(&mb_ies, 0, sizeof(mb_ies));
2115
2116 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2117 size_t len;
2118
2119 len = 2 + ie[1];
2120 if (len > ie_len) {
2121 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2122 ie, ie_len);
2123 break;
2124 }
2125
2126 if (ie[0] == WLAN_EID_MULTI_BAND) {
2127 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2128 (unsigned int) len);
2129 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2130 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2131 mb_ies.nof_ies++;
2132 }
2133
2134 ie_len -= len;
2135 ie += len;
2136 }
2137
2138 if (mb_ies.nof_ies > 0) {
2139 wpabuf_free(wpa_s->received_mb_ies);
2140 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2141 return 0;
2142 }
2143
2144 return -ENOENT;
2145}
2146#endif /* CONFIG_FST */
2147
2148
579ce771
JM		 2149static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2150 union wpa_event_data *data)
6fc6879b
JM		 2151{
2152 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 2153 const u8 *p;
b6714ca1 2154#ifdef CONFIG_IEEE80211R
6a1ce395 2155 u8 bssid[ETH_ALEN];
b6714ca1 2156#endif /* CONFIG_IEEE80211R */
6fc6879b 2157
f049052b 2158 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 2159 if (data->assoc_info.req_ies)
2160 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2161 data->assoc_info.req_ies_len);
52c9e6f3 2162 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 2163 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2164 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 2165#ifdef CONFIG_TDLS
2166 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2167 data->assoc_info.resp_ies_len);
2168#endif /* CONFIG_TDLS */
b6668734
JM		 2169#ifdef CONFIG_WNM
2170 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2171 data->assoc_info.resp_ies_len);
2172#endif /* CONFIG_WNM */
56f5af48
JM		 2173#ifdef CONFIG_INTERWORKING
2174 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2175 data->assoc_info.resp_ies_len);
2176#endif /* CONFIG_INTERWORKING */
52c9e6f3 2177 }
6fc6879b
JM		 2178 if (data->assoc_info.beacon_ies)
2179 wpa_hexdump(MSG_DEBUG, "beacon_ies",
2180 data->assoc_info.beacon_ies,
2181 data->assoc_info.beacon_ies_len);
4832ecd7 2182 if (data->assoc_info.freq)
f049052b
BG		 2183 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2184 data->assoc_info.freq);
6fc6879b
JM		 2185
2186 p = data->assoc_info.req_ies;
2187 l = data->assoc_info.req_ies_len;
2188
2189 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2190 while (p && l >= 2) {
2191 len = p[1] + 2;
2192 if (len > l) {
2193 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2194 p, l);
2195 break;
2196 }
2197 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2198 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
192964dd
DN		 2199 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2200 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
6fc6879b
JM		 2201 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2202 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2203 break;
2204 found = 1;
2205 wpa_find_assoc_pmkid(wpa_s);
2206 break;
2207 }
2208 l -= len;
2209 p += len;
2210 }
2211 if (!found && data->assoc_info.req_ies)
2212 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2213
706df429
JM		 2214#ifdef CONFIG_FILS
2215#ifdef CONFIG_SME
76e20f4f
JM		 2216 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2217 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
706df429
JM		 2218 (!data->assoc_info.resp_frame ||
2219 fils_process_assoc_resp(wpa_s->wpa,
2220 data->assoc_info.resp_frame,
2221 data->assoc_info.resp_frame_len) < 0)) {
2222 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2223 return -1;
2224 }
2225#endif /* CONFIG_SME */
2226#endif /* CONFIG_FILS */
2227
0a614799
JM		 2228#ifdef CONFIG_OWE
2229 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
2230 owe_process_assoc_resp(wpa_s->wpa,
2231 data->assoc_info.resp_ies,
2232 data->assoc_info.resp_ies_len) < 0) {
2233 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2234 return -1;
2235 }
2236#endif /* CONFIG_OWE */
2237
c2a04078 2238#ifdef CONFIG_IEEE80211R
62c72d72
JM		 2239#ifdef CONFIG_SME
2240 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 2241 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2242 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2243 data->assoc_info.resp_ies,
2244 data->assoc_info.resp_ies_len,
2245 bssid) < 0) {
f049052b
BG		 2246 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2247 "Reassociation Response failed");
579ce771
JM		 2248 wpa_supplicant_deauthenticate(
2249 wpa_s, WLAN_REASON_INVALID_IE);
2250 return -1;
62c72d72
JM		 2251 }
2252 }
62c72d72 2253
c2a04078
JM		 2254 p = data->assoc_info.resp_ies;
2255 l = data->assoc_info.resp_ies_len;
2256
54f489be 2257#ifdef CONFIG_WPS_STRICT
5dac11e0 2258 if (p && wpa_s->current_ssid &&
54f489be
JM		 2259 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2260 struct wpabuf *wps;
2261 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2262 if (wps == NULL) {
f049052b
BG		 2263 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2264 "include WPS IE in (Re)Association Response");
54f489be
JM		 2265 return -1;
2266 }
2267
2268 if (wps_validate_assoc_resp(wps) < 0) {
2269 wpabuf_free(wps);
2270 wpa_supplicant_deauthenticate(
2271 wpa_s, WLAN_REASON_INVALID_IE);
2272 return -1;
2273 }
2274 wpabuf_free(wps);
2275 }
2276#endif /* CONFIG_WPS_STRICT */
2277
e7846b68 2278 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 2279 while (p && l >= 2) {
2280 len = p[1] + 2;
2281 if (len > l) {
2282 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2283 p, l);
2284 break;
2285 }
e7846b68
JM		 2286 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2287 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2288 wpa_s->sme.ft_used = 1;
2289 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2290 MOBILITY_DOMAIN_ID_LEN);
2291 break;
2292 }
c2a04078
JM		 2293 l -= len;
2294 p += len;
2295 }
e7846b68 2296#endif /* CONFIG_SME */
c2a04078 2297
6a1ce395
DG		 2298 /* Process FT when SME is in the driver */
2299 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2300 wpa_ft_is_completed(wpa_s->wpa)) {
2301 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2302 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2303 data->assoc_info.resp_ies,
2304 data->assoc_info.resp_ies_len,
2305 bssid) < 0) {
2306 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2307 "Reassociation Response failed");
2308 wpa_supplicant_deauthenticate(
2309 wpa_s, WLAN_REASON_INVALID_IE);
2310 return -1;
2311 }
2312 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2313 }
2314
e7846b68
JM		 2315 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2316 data->assoc_info.resp_ies_len);
c2a04078
JM		 2317#endif /* CONFIG_IEEE80211R */
2318
6fc6879b
JM		 2319 /* WPA/RSN IE from Beacon/ProbeResp */
2320 p = data->assoc_info.beacon_ies;
2321 l = data->assoc_info.beacon_ies_len;
2322
2323 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2324 */
2325 wpa_found = rsn_found = 0;
2326 while (p && l >= 2) {
2327 len = p[1] + 2;
2328 if (len > l) {
2329 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2330 p, l);
2331 break;
2332 }
2333 if (!wpa_found &&
2334 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2335 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2336 wpa_found = 1;
2337 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2338 }
2339
2340 if (!rsn_found &&
2341 p[0] == WLAN_EID_RSN && p[1] >= 2) {
2342 rsn_found = 1;
2343 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2344 }
2345
2346 l -= len;
2347 p += len;
2348 }
2349
2350 if (!wpa_found && data->assoc_info.beacon_ies)
2351 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2352 if (!rsn_found && data->assoc_info.beacon_ies)
2353 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2354 if (wpa_found || rsn_found)
2355 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 2356
117e812d
JM		 2357 if (wpa_s->assoc_freq && data->assoc_info.freq &&
2358 wpa_s->assoc_freq != data->assoc_info.freq) {
2359 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2360 "%u to %u MHz",
2361 wpa_s->assoc_freq, data->assoc_info.freq);
2362 wpa_supplicant_update_scan_results(wpa_s);
2363 }
2364
4832ecd7 2365 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 2366
2367 return 0;
6fc6879b
JM		 2368}
2369
2370
ad9ee4d4
JM		 2371static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2372{
2373 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2374
2375 if (!wpa_s->current_bss || !wpa_s->current_ssid)
2376 return -1;
2377
2378 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2379 return 0;
2380
2381 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2382 WPA_IE_VENDOR_TYPE);
2383 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2384
2385 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2386 bss_wpa ? 2 + bss_wpa[1] : 0) ||
2387 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2388 bss_rsn ? 2 + bss_rsn[1] : 0))
2389 return -1;
2390
2391 return 0;
2392}
2393
2394
ea708118
DL		 2395static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2396 union wpa_event_data *data)
2397{
2398#ifdef CONFIG_FST
2399 struct assoc_info *ai = data ? &data->assoc_info : NULL;
2400 struct wpa_bss *bss = wpa_s->current_bss;
2401 const u8 *ieprb, *iebcn;
2402
2403 wpabuf_free(wpa_s->received_mb_ies);
2404 wpa_s->received_mb_ies = NULL;
2405
2406 if (ai &&
2407 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2408 wpa_printf(MSG_DEBUG,
2409 "FST: MB IEs updated from Association Response frame");
2410 return;
2411 }
2412
2413 if (ai &&
2414 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2415 wpa_printf(MSG_DEBUG,
2416 "FST: MB IEs updated from association event Beacon IEs");
2417 return;
2418 }
2419
2420 if (!bss)
2421 return;
2422
2423 ieprb = (const u8 *) (bss + 1);
2424 iebcn = ieprb + bss->ie_len;
2425
2426 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2427 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2428 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2429 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2430#endif /* CONFIG_FST */
2431}
2432
2433
6fc6879b
JM		 2434static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2435 union wpa_event_data *data)
2436{
2437 u8 bssid[ETH_ALEN];
e07adb7f 2438 int ft_completed, already_authorized;
ce7d0eb1 2439 int new_bss = 0;
6fc6879b 2440
1d041bec
JM		 2441#ifdef CONFIG_AP
2442 if (wpa_s->ap_iface) {
a01acc50
JM		 2443 if (!data)
2444 return;
1d041bec
JM		 2445 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2446 data->assoc_info.addr,
2447 data->assoc_info.req_ies,
39b08b5f
SP		 2448 data->assoc_info.req_ies_len,
2449 data->assoc_info.reassoc);
1d041bec
JM		 2450 return;
2451 }
2452#endif /* CONFIG_AP */
2453
9bd566a3
AS		 2454 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2455
1d041bec 2456 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 2457 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2458 return;
706df429
JM		 2459 /*
2460 * FILS authentication can share the same mechanism to mark the
2461 * connection fully authenticated, so set ft_completed also based on
2462 * FILS result.
2463 */
2464 if (!ft_completed)
2465 ft_completed = wpa_fils_is_completed(wpa_s->wpa);
6fc6879b 2466
0a0c38f6
MH		 2467 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2468 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 2469 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 2470 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2471 return;
2472 }
2473
6fc6879b 2474 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 2475 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
f049052b 2476 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 2477 MACSTR, MAC2STR(bssid));
ce7d0eb1 2478 new_bss = 1;
bbb921da 2479 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 2480 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2481 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 2482 wpas_notify_bssid_changed(wpa_s);
8bac466b 2483
6fc6879b
JM		 2484 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2485 wpa_clear_keys(wpa_s, bssid);
2486 }
2487 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 2488 wpa_supplicant_deauthenticate(
6fc6879b
JM		 2489 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2490 return;
2491 }
ce7d0eb1 2492 }
cd2f4ddf 2493
ce7d0eb1
SD		 2494 if (wpa_s->conf->ap_scan == 1 &&
2495 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2496 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2497 wpa_msg(wpa_s, MSG_WARNING,
2498 "WPA/RSN IEs not updated");
6fc6879b
JM		 2499 }
2500
ea708118
DL		 2501 wpas_fst_update_mb_assoc(wpa_s, data);
2502
62fa124c
JM		 2503#ifdef CONFIG_SME
2504 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2505 wpa_s->sme.prev_bssid_set = 1;
3302b7c2 2506 wpa_s->sme.last_unprot_disconnect.sec = 0;
62fa124c
JM		 2507#endif /* CONFIG_SME */
2508
6fc6879b
JM		 2509 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2510 if (wpa_s->current_ssid) {
2511 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2512 * initialized before association, but for other modes,
2513 * initialize PC/SC here, if the current configuration needs
2514 * smartcard or SIM/USIM. */
2515 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2516 }
2517 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 2518 if (wpa_s->l2)
2519 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b 2520
e07adb7f
JM		 2521 already_authorized = data && data->assoc_info.authorized;
2522
6fc6879b
JM		 2523 /*
2524 * Set portEnabled first to FALSE in order to get EAP state machine out
2525 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2526 * state machine may transit to AUTHENTICATING state based on obsolete
2527 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2528 * AUTHENTICATED without ever giving chance to EAP state machine to
2529 * reset the state.
2530 */
e07adb7f 2531 if (!ft_completed && !already_authorized) {
6fc6879b
JM		 2532 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2533 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2534 }
a1ea1b45
JM		 2535 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
2536 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
e07adb7f 2537 already_authorized)
6fc6879b
JM		 2538 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2539 /* 802.1X::portControl = Auto */
2540 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2541 wpa_s->eapol_received = 0;
2542 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 2543 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2544 (wpa_s->current_ssid &&
2545 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
fb958ea7
JM		 2546 if (wpa_s->current_ssid &&
2547 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
6ea1f413
JM		 2548 (wpa_s->drv_flags &
2549 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2550 /*
2551 * Set the key after having received joined-IBSS event
2552 * from the driver.
2553 */
2554 wpa_supplicant_set_wpa_none_key(wpa_s,
2555 wpa_s->current_ssid);
2556 }
6fc6879b
JM		 2557 wpa_supplicant_cancel_auth_timeout(wpa_s);
2558 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2559 } else if (!ft_completed) {
2560 /* Timeout for receiving the first EAPOL packet */
2561 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2562 }
2563 wpa_supplicant_cancel_scan(wpa_s);
2564
c2a04078 2565 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 2566 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 2567 /*
2568 * We are done; the driver will take care of RSN 4-way
2569 * handshake.
2570 */
2571 wpa_supplicant_cancel_auth_timeout(wpa_s);
2572 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2573 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2574 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
98ea9431
JM		 2575 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2576 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2577 /*
2578 * The driver will take care of RSN 4-way handshake, so we need
2579 * to allow EAPOL supplicant to complete its work without
2580 * waiting for WPA supplicant.
2581 */
2582 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
16a83d29
JM		 2583 } else if (ft_completed) {
2584 /*
2585 * FT protocol completed - make sure EAPOL state machine ends
2586 * up in authenticated.
2587 */
2588 wpa_supplicant_cancel_auth_timeout(wpa_s);
2589 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2590 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2591 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
6fc6879b 2592 }
1ff73338 2593
3ab35a66
JM		 2594 wpa_s->last_eapol_matches_bssid = 0;
2595
1ff73338 2596 if (wpa_s->pending_eapol_rx) {
c2be937c
JB		 2597 struct os_reltime now, age;
2598 os_get_reltime(&now);
2599 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
6a5425fd 2600 if (age.sec == 0 && age.usec < 200000 &&
1ff73338
JM		 2601 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2602 0) {
f049052b
BG		 2603 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2604 "frame that was received just before "
2605 "association notification");
1ff73338
JM		 2606 wpa_supplicant_rx_eapol(
2607 wpa_s, wpa_s->pending_eapol_rx_src,
2608 wpabuf_head(wpa_s->pending_eapol_rx),
2609 wpabuf_len(wpa_s->pending_eapol_rx));
2610 }
2611 wpabuf_free(wpa_s->pending_eapol_rx);
2612 wpa_s->pending_eapol_rx = NULL;
2613 }
60b94c98 2614
0194fedb
JB		 2615 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2616 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 2617 wpa_s->current_ssid &&
2618 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 2619 /* Set static WEP keys again */
2620 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2621 }
50b05780
JM		 2622
2623#ifdef CONFIG_IBSS_RSN
2624 if (wpa_s->current_ssid &&
2625 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2626 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 2627 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2628 wpa_s->ibss_rsn == NULL) {
6c33ca9f 2629 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
78177a00
JM		 2630 if (!wpa_s->ibss_rsn) {
2631 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2632 wpa_supplicant_deauthenticate(
2633 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2634 return;
2635 }
2636
2637 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2638 }
50b05780 2639#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 2640
2641 wpas_wps_notify_assoc(wpa_s, bssid);
a0413b17
MB		 2642
2643 if (data) {
2644 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2645 data->assoc_info.resp_ies_len,
2646 &data->assoc_info.wmm_params);
8c42b369
EP		 2647
2648 if (wpa_s->reassoc_same_bss)
2649 wmm_ac_restore_tspecs(wpa_s);
a0413b17 2650 }
6fc6879b
JM		 2651}
2652
2653
d00821e9
JM		 2654static int disconnect_reason_recoverable(u16 reason_code)
2655{
2656 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2657 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2658 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2659}
2660
2661
0544b242 2662static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 2663 u16 reason_code,
2664 int locally_generated)
6fc6879b
JM		 2665{
2666 const u8 *bssid;
0aadd568
JM		 2667
2668 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2669 /*
2670 * At least Host AP driver and a Prism3 card seemed to be
2671 * generating streams of disconnected events when configuring
2672 * IBSS for WPA-None. Ignore them for now.
2673 */
2674 return;
2675 }
2676
2677 bssid = wpa_s->bssid;
2678 if (is_zero_ether_addr(bssid))
2679 bssid = wpa_s->pending_bssid;
2680
2681 if (!is_zero_ether_addr(bssid) ||
2682 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2683 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2684 " reason=%d%s",
2685 MAC2STR(bssid), reason_code,
2686 locally_generated ? " locally_generated=1" : "");
2687 }
2688}
2689
2690
c9a82218
JM		 2691static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2692 int locally_generated)
2693{
2694 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2695 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2696 return 0; /* Not in 4-way handshake with PSK */
2697
2698 /*
2699 * It looks like connection was lost while trying to go through PSK
2700 * 4-way handshake. Filter out known disconnection cases that are caused
2701 * by something else than PSK mismatch to avoid confusing reports.
2702 */
2703
2704 if (locally_generated) {
2705 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2706 return 0;
2707 }
2708
2709 return 1;
2710}
2711
2712
0aadd568
JM		 2713static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2714 u16 reason_code,
2715 int locally_generated)
2716{
2717 const u8 *bssid;
6d6f4bb8
JM		 2718 int authenticating;
2719 u8 prev_pending_bssid[ETH_ALEN];
d00821e9
JM		 2720 struct wpa_bss *fast_reconnect = NULL;
2721 struct wpa_ssid *fast_reconnect_ssid = NULL;
bcdf2096 2722 struct wpa_ssid *last_ssid;
1ac38863 2723 struct wpa_bss *curr = NULL;
6d6f4bb8
JM		 2724
2725 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2726 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 2727
2728 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2729 /*
2730 * At least Host AP driver and a Prism3 card seemed to be
2731 * generating streams of disconnected events when configuring
2732 * IBSS for WPA-None. Ignore them for now.
2733 */
f049052b
BG		 2734 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2735 "IBSS/WPA-None mode");
6fc6879b
JM		 2736 return;
2737 }
2738
1ac38863
DS		 2739 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2740 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
2741 locally_generated)
2742 /*
2743 * Remove the inactive AP (which is probably out of range) from
2744 * the BSS list after marking disassociation. In particular
2745 * mac80211-based drivers use the
2746 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
2747 * locally generated disconnection events for cases where the
2748 * AP does not reply anymore.
2749 */
2750 curr = wpa_s->current_bss;
2751
c9a82218 2752 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 2753 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2754 "pre-shared key may be incorrect");
5bf9a6c8
JM		 2755 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2756 return; /* P2P group removed */
b19c098e 2757 wpas_auth_failed(wpa_s, "WRONG_KEY");
6fc6879b 2758 }
3636b891
JM		 2759 if (!wpa_s->disconnected &&
2760 (!wpa_s->auto_reconnect_disabled ||
6e252b0d 2761 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
5e238cc6
SD		 2762 wpas_wps_searching(wpa_s) ||
2763 wpas_wps_reenable_networks_pending(wpa_s))) {
d00821e9 2764 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
6e252b0d 2765 "reconnect (wps=%d/%d wpa_state=%d)",
f7da5a9e 2766 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
6e252b0d 2767 wpas_wps_searching(wpa_s),
f7da5a9e 2768 wpa_s->wpa_state);
d00821e9
JM		 2769 if (wpa_s->wpa_state == WPA_COMPLETED &&
2770 wpa_s->current_ssid &&
2771 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 2772 !locally_generated &&
d00821e9
JM		 2773 disconnect_reason_recoverable(reason_code)) {
2774 /*
2775 * It looks like the AP has dropped association with
2776 * us, but could allow us to get back in. Try to
2777 * reconnect to the same BSS without full scan to save
2778 * time for some common cases.
2779 */
2780 fast_reconnect = wpa_s->current_bss;
2781 fast_reconnect_ssid = wpa_s->current_ssid;
2782 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 2783 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 2784 else
2785 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2786 "immediate scan");
0d0a8ca1 2787 } else {
d00821e9 2788 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 2789 "try to re-connect");
0d0a8ca1
AC		 2790 wpa_s->reassociate = 0;
2791 wpa_s->disconnected = 1;
0d0f7ecb
MS		 2792 if (!wpa_s->pno)
2793 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 2794 }
6fc6879b 2795 bssid = wpa_s->bssid;
a8e16edc 2796 if (is_zero_ether_addr(bssid))
6fc6879b 2797 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 2798 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2799 wpas_connection_failed(wpa_s, bssid);
6fc6879b 2800 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 2801 if (locally_generated)
2802 wpa_s->disconnect_reason = -reason_code;
2803 else
2804 wpa_s->disconnect_reason = reason_code;
2805 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 2806 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 2807 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 2808 wpa_clear_keys(wpa_s, wpa_s->bssid);
2809 }
bcdf2096 2810 last_ssid = wpa_s->current_ssid;
6fc6879b 2811 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 2812
1ac38863
DS		 2813 if (curr)
2814 wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
2815
bcdf2096 2816 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 2817 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 2818 wpa_s->current_ssid = last_ssid;
2819 }
d00821e9 2820
eef7235d
JM		 2821 if (fast_reconnect &&
2822 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
2823 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
2824 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
2825 fast_reconnect->ssid_len) &&
dd599908
AS		 2826 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
2827 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) {
5928411e 2828#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 2829 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2830 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2831 fast_reconnect_ssid) < 0) {
2832 /* Recover through full scan */
2833 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2834 }
5928411e 2835#endif /* CONFIG_NO_SCAN_PROCESSING */
eef7235d
JM		 2836 } else if (fast_reconnect) {
2837 /*
2838 * Could not reconnect to the same BSS due to network being
2839 * disabled. Use a new scan to match the alternative behavior
2840 * above, i.e., to continue automatic reconnection attempt in a
2841 * way that enforces disabled network rules.
2842 */
2843 wpa_supplicant_req_scan(wpa_s, 0, 100000);
d00821e9 2844 }
6fc6879b
JM		 2845}
2846
2847
46690a3b 2848#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 2849void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 2850{
2851 struct wpa_supplicant *wpa_s = eloop_ctx;
2852
2853 if (!wpa_s->pending_mic_error_report)
2854 return;
2855
f049052b 2856 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 2857 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2858 wpa_s->pending_mic_error_report = 0;
2859}
2860#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2861
2862
6fc6879b
JM		 2863static void
2864wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2865 union wpa_event_data *data)
2866{
2867 int pairwise;
6473e5c8 2868 struct os_reltime t;
6fc6879b
JM		 2869
2870 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2871 pairwise = (data && data->michael_mic_failure.unicast);
6473e5c8
JB		 2872 os_get_reltime(&t);
2873 if ((wpa_s->last_michael_mic_error.sec &&
2874 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
46690a3b
JM		 2875 wpa_s->pending_mic_error_report) {
2876 if (wpa_s->pending_mic_error_report) {
2877 /*
2878 * Send the pending MIC error report immediately since
2879 * we are going to start countermeasures and AP better
2880 * do the same.
2881 */
2882 wpa_sm_key_request(wpa_s->wpa, 1,
2883 wpa_s->pending_mic_error_pairwise);
2884 }
2885
2886 /* Send the new MIC error report immediately since we are going
2887 * to start countermeasures and AP better do the same.
2888 */
2889 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2890
6fc6879b
JM		 2891 /* initialize countermeasures */
2892 wpa_s->countermeasures = 1;
8945cc45
BM		 2893
2894 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2895
6fc6879b
JM		 2896 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2897
2898 /*
2899 * Need to wait for completion of request frame. We do not get
2900 * any callback for the message completion, so just wait a
2901 * short while and hope for the best. */
2902 os_sleep(0, 10000);
2903
2904 wpa_drv_set_countermeasures(wpa_s, 1);
2905 wpa_supplicant_deauthenticate(wpa_s,
2906 WLAN_REASON_MICHAEL_MIC_FAILURE);
2907 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2908 wpa_s, NULL);
2909 eloop_register_timeout(60, 0,
2910 wpa_supplicant_stop_countermeasures,
2911 wpa_s, NULL);
2912 /* TODO: mark the AP rejected for 60 second. STA is
2913 * allowed to associate with another AP.. */
46690a3b
JM		 2914 } else {
2915#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2916 if (wpa_s->mic_errors_seen) {
2917 /*
2918 * Reduce the effectiveness of Michael MIC error
2919 * reports as a means for attacking against TKIP if
2920 * more than one MIC failure is noticed with the same
2921 * PTK. We delay the transmission of the reports by a
2922 * random time between 0 and 60 seconds in order to
2923 * force the attacker wait 60 seconds before getting
2924 * the information on whether a frame resulted in a MIC
2925 * failure.
2926 */
2927 u8 rval[4];
2928 int sec;
2929
2930 if (os_get_random(rval, sizeof(rval)) < 0)
2931 sec = os_random() % 60;
2932 else
2933 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 2934 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2935 "report %d seconds", sec);
46690a3b
JM		 2936 wpa_s->pending_mic_error_report = 1;
2937 wpa_s->pending_mic_error_pairwise = pairwise;
2938 eloop_cancel_timeout(
2939 wpa_supplicant_delayed_mic_error_report,
2940 wpa_s, NULL);
2941 eloop_register_timeout(
2942 sec, os_random() % 1000000,
2943 wpa_supplicant_delayed_mic_error_report,
2944 wpa_s, NULL);
2945 } else {
2946 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2947 }
2948#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2949 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2950#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b 2951 }
6473e5c8 2952 wpa_s->last_michael_mic_error = t;
46690a3b 2953 wpa_s->mic_errors_seen++;
6fc6879b
JM		 2954}
2955
2956
a83d9c96
SL		 2957#ifdef CONFIG_TERMINATE_ONLASTIF
2958static int any_interfaces(struct wpa_supplicant *head)
2959{
2960 struct wpa_supplicant *wpa_s;
2961
2962 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2963 if (!wpa_s->interface_removed)
2964 return 1;
2965 return 0;
2966}
2967#endif /* CONFIG_TERMINATE_ONLASTIF */
2968
2969
6fc6879b
JM		 2970static void
2971wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2972 union wpa_event_data *data)
2973{
2974 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2975 return;
2976
2977 switch (data->interface_status.ievent) {
2978 case EVENT_INTERFACE_ADDED:
2979 if (!wpa_s->interface_removed)
2980 break;
2981 wpa_s->interface_removed = 0;
f049052b 2982 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 2983 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 2984 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2985 "driver after interface was added");
6fc6879b 2986 }
f43c1ae7
IP		 2987
2988#ifdef CONFIG_P2P
2989 if (!wpa_s->global->p2p &&
2990 !wpa_s->global->p2p_disabled &&
2991 !wpa_s->conf->p2p_disabled &&
2992 (wpa_s->drv_flags &
2993 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
2994 wpas_p2p_add_p2pdev_interface(
2995 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
2996 wpa_printf(MSG_INFO,
2997 "P2P: Failed to enable P2P Device interface");
2998 /* Try to continue without. P2P will be disabled. */
2999 }
3000#endif /* CONFIG_P2P */
3001
6fc6879b
JM		 3002 break;
3003 case EVENT_INTERFACE_REMOVED:
f049052b 3004 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 3005 wpa_s->interface_removed = 1;
3006 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 3007 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 3008 l2_packet_deinit(wpa_s->l2);
3009 wpa_s->l2 = NULL;
f43c1ae7
IP		 3010
3011#ifdef CONFIG_P2P
3012 if (wpa_s->global->p2p &&
3013 wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3014 (wpa_s->drv_flags &
3015 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3016 wpa_dbg(wpa_s, MSG_DEBUG,
3017 "Removing P2P Device interface");
3018 wpa_supplicant_remove_iface(
3019 wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3020 0);
3021 wpa_s->global->p2p_init_wpa_s = NULL;
3022 }
3023#endif /* CONFIG_P2P */
3024
2e997eec
RM		 3025#ifdef CONFIG_MATCH_IFACE
3026 if (wpa_s->matched) {
3027 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3028 break;
3029 }
3030#endif /* CONFIG_MATCH_IFACE */
3031
a83d9c96
SL		 3032#ifdef CONFIG_TERMINATE_ONLASTIF
3033 /* check if last interface */
3034 if (!any_interfaces(wpa_s->global->ifaces))
3035 eloop_terminate();
3036#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 3037 break;
3038 }
3039}
3040
3041
3042#ifdef CONFIG_PEERKEY
3043static void
3044wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
3045 union wpa_event_data *data)
3046{
3047 if (data == NULL)
3048 return;
3049 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
3050}
3051#endif /* CONFIG_PEERKEY */
3052
3053
281ff0aa
GP		 3054#ifdef CONFIG_TDLS
3055static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3056 union wpa_event_data *data)
3057{
3058 if (data == NULL)
3059 return;
3060 switch (data->tdls.oper) {
3061 case TDLS_REQUEST_SETUP:
3887878e
SD		 3062 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3063 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3064 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3065 else
3066 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 3067 break;
3068 case TDLS_REQUEST_TEARDOWN:
f130b105
SD		 3069 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3070 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3071 data->tdls.reason_code);
3072 else
3073 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3074 data->tdls.peer);
281ff0aa 3075 break;
c10ca2a6
SD		 3076 case TDLS_REQUEST_DISCOVER:
3077 wpa_tdls_send_discovery_request(wpa_s->wpa,
3078 data->tdls.peer);
3079 break;
281ff0aa
GP		 3080 }
3081}
3082#endif /* CONFIG_TDLS */
3083
3084
ad3872a3 3085#ifdef CONFIG_WNM
75cad1a0
XC		 3086static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3087 union wpa_event_data *data)
3088{
3089 if (data == NULL)
3090 return;
3091 switch (data->wnm.oper) {
3092 case WNM_OPER_SLEEP:
3093 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3094 "(action=%d, intval=%d)",
3095 data->wnm.sleep_action, data->wnm.sleep_intval);
3096 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 3097 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 3098 break;
3099 }
3100}
ad3872a3 3101#endif /* CONFIG_WNM */
75cad1a0
XC		 3102
3103
6fc6879b
JM		 3104#ifdef CONFIG_IEEE80211R
3105static void
3106wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3107 union wpa_event_data *data)
3108{
3109 if (data == NULL)
3110 return;
3111
3112 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3113 data->ft_ies.ies_len,
3114 data->ft_ies.ft_action,
babfbf15
JM		 3115 data->ft_ies.target_ap,
3116 data->ft_ies.ric_ies,
3117 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 3118 /* TODO: prevent MLME/driver from trying to associate? */
3119 }
3120}
3121#endif /* CONFIG_IEEE80211R */
3122
3123
11ef8d35
JM		 3124#ifdef CONFIG_IBSS_RSN
3125static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3126 union wpa_event_data *data)
3127{
df4bc509 3128 struct wpa_ssid *ssid;
df418245
XC		 3129 if (wpa_s->wpa_state < WPA_ASSOCIATED)
3130 return;
11ef8d35
JM		 3131 if (data == NULL)
3132 return;
df4bc509
JM		 3133 ssid = wpa_s->current_ssid;
3134 if (ssid == NULL)
3135 return;
3136 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3137 return;
3138
11ef8d35
JM		 3139 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3140}
13adc57b
AQ		 3141
3142
3143static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3144 union wpa_event_data *data)
3145{
3146 struct wpa_ssid *ssid = wpa_s->current_ssid;
3147
3148 if (ssid == NULL)
3149 return;
3150
3151 /* check if the ssid is correctly configured as IBSS/RSN */
3152 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3153 return;
3154
3155 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3156 data->rx_mgmt.frame_len);
3157}
11ef8d35
JM		 3158#endif /* CONFIG_IBSS_RSN */
3159
3160
036f7c4a
JM		 3161#ifdef CONFIG_IEEE80211R
3162static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3163 size_t len)
3164{
3165 const u8 *sta_addr, *target_ap_addr;
3166 u16 status;
3167
3168 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3169 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3170 return; /* only SME case supported for now */
3171 if (len < 1 + 2 * ETH_ALEN + 2)
3172 return;
3173 if (data[0] != 2)
3174 return; /* Only FT Action Response is supported for now */
3175 sta_addr = data + 1;
3176 target_ap_addr = data + 1 + ETH_ALEN;
3177 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 3178 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3179 MACSTR " TargetAP " MACSTR " status %u",
3180 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 3181
3182 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 3183 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3184 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 3185 return;
3186 }
3187
3188 if (status) {
f049052b
BG		 3189 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3190 "failure (status code %d)", status);
036f7c4a
JM		 3191 /* TODO: report error to FT code(?) */
3192 return;
3193 }
3194
3195 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3196 len - (1 + 2 * ETH_ALEN + 2), 1,
3197 target_ap_addr, NULL, 0) < 0)
3198 return;
3199
fe191985
JM		 3200#ifdef CONFIG_SME
3201 {
3202 struct wpa_bss *bss;
3203 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3204 if (bss)
3205 wpa_s->sme.freq = bss->freq;
62c72d72 3206 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 3207 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3208 WLAN_AUTH_FT);
3209 }
3210#endif /* CONFIG_SME */
036f7c4a
JM		 3211}
3212#endif /* CONFIG_IEEE80211R */
3213
3214
7d878ca7
JM		 3215static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3216 struct unprot_deauth *e)
3217{
3218#ifdef CONFIG_IEEE80211W
3219 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3220 "dropped: " MACSTR " -> " MACSTR
3221 " (reason code %u)",
3222 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3223 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3224#endif /* CONFIG_IEEE80211W */
3225}
3226
3227
3228static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3229 struct unprot_disassoc *e)
3230{
3231#ifdef CONFIG_IEEE80211W
3232 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3233 "dropped: " MACSTR " -> " MACSTR
3234 " (reason code %u)",
3235 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3236 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3237#endif /* CONFIG_IEEE80211W */
3238}
3239
3240
d7df0fa7
JM		 3241static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3242 u16 reason_code, int locally_generated,
3243 const u8 *ie, size_t ie_len, int deauth)
3244{
3245#ifdef CONFIG_AP
3246 if (wpa_s->ap_iface && addr) {
3247 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3248 return;
3249 }
3250
3251 if (wpa_s->ap_iface) {
3252 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3253 return;
3254 }
3255#endif /* CONFIG_AP */
3256
c2805909
JM		 3257 if (!locally_generated)
3258 wpa_s->own_disconnect_req = 0;
3259
d7df0fa7
JM		 3260 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3261
c60ba9f7
JM		 3262 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3263 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3264 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3265 eapol_sm_failed(wpa_s->eapol))) &&
3266 !wpa_s->eap_expected_failure))
b19c098e 3267 wpas_auth_failed(wpa_s, "AUTH_FAILED");
d7df0fa7
JM		 3268
3269#ifdef CONFIG_P2P
43ee4704 3270 if (deauth && reason_code > 0) {
d7df0fa7
JM		 3271 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3272 locally_generated) > 0) {
3273 /*
3274 * The interface was removed, so cannot continue
3275 * processing any additional operations after this.
3276 */
3277 return;
3278 }
3279 }
3280#endif /* CONFIG_P2P */
3281
3282 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3283 locally_generated);
3284}
3285
3286
3287static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3288 struct disassoc_info *info)
3289{
3290 u16 reason_code = 0;
3291 int locally_generated = 0;
3292 const u8 *addr = NULL;
3293 const u8 *ie = NULL;
3294 size_t ie_len = 0;
3295
3296 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3297
3298 if (info) {
3299 addr = info->addr;
3300 ie = info->ie;
3301 ie_len = info->ie_len;
3302 reason_code = info->reason_code;
3303 locally_generated = info->locally_generated;
3304 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
3305 locally_generated ? " (locally generated)" : "");
3306 if (addr)
3307 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3308 MAC2STR(addr));
3309 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3310 ie, ie_len);
3311 }
3312
3313#ifdef CONFIG_AP
3314 if (wpa_s->ap_iface && info && info->addr) {
3315 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3316 return;
3317 }
3318
3319 if (wpa_s->ap_iface) {
3320 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3321 return;
3322 }
3323#endif /* CONFIG_AP */
3324
3325#ifdef CONFIG_P2P
3326 if (info) {
3327 wpas_p2p_disassoc_notif(
3328 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3329 locally_generated);
3330 }
3331#endif /* CONFIG_P2P */
3332
3333 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3334 sme_event_disassoc(wpa_s, info);
3335
3336 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3337 ie, ie_len, 0);
3338}
3339
3340
3341static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3342 struct deauth_info *info)
3343{
3344 u16 reason_code = 0;
3345 int locally_generated = 0;
3346 const u8 *addr = NULL;
3347 const u8 *ie = NULL;
3348 size_t ie_len = 0;
3349
3350 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3351
3352 if (info) {
3353 addr = info->addr;
3354 ie = info->ie;
3355 ie_len = info->ie_len;
3356 reason_code = info->reason_code;
3357 locally_generated = info->locally_generated;
3358 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
3359 reason_code,
3360 locally_generated ? " (locally generated)" : "");
3361 if (addr) {
3362 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3363 MAC2STR(addr));
3364 }
3365 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3366 ie, ie_len);
3367 }
3368
3369 wpa_reset_ft_completed(wpa_s->wpa);
3370
3371 wpas_event_disconnect(wpa_s, addr, reason_code,
3372 locally_generated, ie, ie_len, 1);
3373}
3374
3375
142817b2
JM		 3376static const char * reg_init_str(enum reg_change_initiator init)
3377{
3378 switch (init) {
3379 case REGDOM_SET_BY_CORE:
3380 return "CORE";
3381 case REGDOM_SET_BY_USER:
3382 return "USER";
3383 case REGDOM_SET_BY_DRIVER:
3384 return "DRIVER";
3385 case REGDOM_SET_BY_COUNTRY_IE:
3386 return "COUNTRY_IE";
3387 case REGDOM_BEACON_HINT:
3388 return "BEACON_HINT";
3389 }
3390 return "?";
3391}
3392
3393
3394static const char * reg_type_str(enum reg_type type)
3395{
3396 switch (type) {
3397 case REGDOM_TYPE_UNKNOWN:
3398 return "UNKNOWN";
3399 case REGDOM_TYPE_COUNTRY:
3400 return "COUNTRY";
3401 case REGDOM_TYPE_WORLD:
3402 return "WORLD";
3403 case REGDOM_TYPE_CUSTOM_WORLD:
3404 return "CUSTOM_WORLD";
3405 case REGDOM_TYPE_INTERSECTION:
3406 return "INTERSECTION";
3407 }
3408 return "?";
3409}
3410
3411
3412static void wpa_supplicant_update_channel_list(
3413 struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
731ca636 3414{
731ca636
VKE		 3415 struct wpa_supplicant *ifs;
3416
3b11ad34
IP		 3417 /*
3418 * To allow backwards compatibility with higher level layers that
3419 * assumed the REGDOM_CHANGE event is sent over the initially added
3420 * interface. Find the highest parent of this interface and use it to
3421 * send the event.
3422 */
3423 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3424 ;
3425
3426 wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
42619d68 3427 reg_init_str(info->initiator), reg_type_str(info->type),
142817b2
JM		 3428 info->alpha2[0] ? " alpha2=" : "",
3429 info->alpha2[0] ? info->alpha2 : "");
3430
731ca636
VKE		 3431 if (wpa_s->drv_priv == NULL)
3432 return; /* Ignore event during drv initialization */
3433
c67e7e2a
JM		 3434 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3435 radio_list) {
0f4bccdb
AN		 3436 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3437 ifs->ifname);
3438 free_hw_features(ifs);
3439 ifs->hw.modes = wpa_drv_get_hw_feature_data(
3440 ifs, &ifs->hw.num_modes, &ifs->hw.flags);
6ceea4c3 3441
ebf59eb5
AN		 3442 /* Restart PNO/sched_scan with updated channel list */
3443 if (ifs->pno) {
3444 wpas_stop_pno(ifs);
3445 wpas_start_pno(ifs);
3446 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3447 wpa_dbg(ifs, MSG_DEBUG,
3448 "Channel list changed - restart sched_scan");
3449 wpas_scan_restart_sched_scan(ifs);
3450 }
6ceea4c3 3451 }
0f4bccdb 3452
3a8f008a 3453 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
731ca636
VKE		 3454}
3455
3456
dbfb8e82 3457static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
70d1e728
AO		 3458 const u8 *frame, size_t len, int freq,
3459 int rssi)
dbfb8e82 3460{
70d95373 3461 const struct ieee80211_mgmt *mgmt;
dbfb8e82
JM		 3462 const u8 *payload;
3463 size_t plen;
3464 u8 category;
3465
3466 if (len < IEEE80211_HDRLEN + 2)
3467 return;
3468
70d95373
JM		 3469 mgmt = (const struct ieee80211_mgmt *) frame;
3470 payload = frame + IEEE80211_HDRLEN;
dbfb8e82 3471 category = *payload++;
70d95373 3472 plen = len - IEEE80211_HDRLEN - 1;
dbfb8e82
JM		 3473
3474 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3475 " Category=%u DataLen=%d freq=%d MHz",
3476 MAC2STR(mgmt->sa), category, (int) plen, freq);
3477
d1f88001
MB		 3478 if (category == WLAN_ACTION_WMM) {
3479 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3480 return;
3481 }
3482
dbfb8e82
JM		 3483#ifdef CONFIG_IEEE80211R
3484 if (category == WLAN_ACTION_FT) {
3485 ft_rx_action(wpa_s, payload, plen);
3486 return;
3487 }
3488#endif /* CONFIG_IEEE80211R */
3489
3490#ifdef CONFIG_IEEE80211W
3491#ifdef CONFIG_SME
3492 if (category == WLAN_ACTION_SA_QUERY) {
3493 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3494 return;
3495 }
3496#endif /* CONFIG_SME */
3497#endif /* CONFIG_IEEE80211W */
3498
3499#ifdef CONFIG_WNM
3500 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3501 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3502 return;
3503 }
3504#endif /* CONFIG_WNM */
3505
3506#ifdef CONFIG_GAS
c5a64e2d
JM		 3507 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3508 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
dbfb8e82 3509 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
c5a64e2d 3510 mgmt->u.action.category,
dbfb8e82
JM		 3511 payload, plen, freq) == 0)
3512 return;
3513#endif /* CONFIG_GAS */
3514
3515#ifdef CONFIG_TDLS
3516 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3517 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3518 wpa_dbg(wpa_s, MSG_DEBUG,
3519 "TDLS: Received Discovery Response from " MACSTR,
3520 MAC2STR(mgmt->sa));
3521 return;
3522 }
3523#endif /* CONFIG_TDLS */
3524
3525#ifdef CONFIG_INTERWORKING
3526 if (category == WLAN_ACTION_QOS && plen >= 1 &&
3527 payload[0] == QOS_QOS_MAP_CONFIG) {
3528 const u8 *pos = payload + 1;
3529 size_t qlen = plen - 1;
3530 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3531 MACSTR, MAC2STR(mgmt->sa));
3532 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3533 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3534 pos[1] <= qlen - 2 && pos[1] >= 16)
3535 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3536 return;
3537 }
3538#endif /* CONFIG_INTERWORKING */
3539
4a742011
DS		 3540 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3541 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3542 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
3543 payload + 1,
3544 plen - 1);
3545 return;
3546 }
3547
d89c0701
AK		 3548 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3549 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3550 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3551 return;
3552 }
3553
70d1e728
AO		 3554 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3555 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3556 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3557 payload + 1, plen - 1,
3558 rssi);
3559 return;
3560 }
3561
9fbfd1b0
AN		 3562#ifdef CONFIG_FST
3563 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3564 fst_rx_action(wpa_s->fst, mgmt, len);
3565 return;
3566 }
3567#endif /* CONFIG_FST */
3568
dbfb8e82
JM		 3569 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3570 category, payload, plen, freq);
5f92659d
BC		 3571 if (wpa_s->ifmsh)
3572 mesh_mpm_action_rx(wpa_s, mgmt, len);
dbfb8e82
JM		 3573}
3574
3575
253f2e37
AH		 3576static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3577 union wpa_event_data *event)
3578{
253f2e37
AH		 3579 struct wpa_freq_range_list *list;
3580 char *str = NULL;
3581
3582 list = &event->freq_range;
3583
3584 if (list->num)
3585 str = freq_range_list_str(list);
3586 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3587 str ? str : "");
3588
3589#ifdef CONFIG_P2P
3590 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3591 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3592 __func__);
3593 } else {
3594 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
253f2e37 3595
a7160f7e
IP		 3596 /*
3597 * The update channel flow will also take care of moving a GO
3598 * from the unsafe frequency if needed.
3599 */
3a8f008a
IP		 3600 wpas_p2p_update_channel_list(wpa_s,
3601 WPAS_P2P_CHANNEL_UPDATE_AVOID);
253f2e37
AH		 3602 }
3603#endif /* CONFIG_P2P */
3604
3605 os_free(str);
3606}
3607
3608
b41f2684
CL		 3609static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
3610 union wpa_event_data *data)
3611{
3612 wpa_dbg(wpa_s, MSG_DEBUG,
3613 "Connection authorized by device, previous state %d",
3614 wpa_s->wpa_state);
3615 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3616 wpa_supplicant_cancel_auth_timeout(wpa_s);
3617 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3618 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3619 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3620 }
3621 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
3622 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
98cd3d1c
JM		 3623 data->assoc_info.ptk_kck_len,
3624 data->assoc_info.ptk_kek,
3625 data->assoc_info.ptk_kek_len);
b41f2684
CL		 3626}
3627
3628
9646a8ab 3629void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 3630 union wpa_event_data *data)
3631{
3632 struct wpa_supplicant *wpa_s = ctx;
02e122a9 3633 int resched;
6fc6879b 3634
8401a6b0
JM		 3635 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
3636 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb 3637 event != EVENT_INTERFACE_STATUS &&
1446afc8 3638 event != EVENT_SCAN_RESULTS &&
9b6f44cb 3639 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 3640 wpa_dbg(wpa_s, MSG_DEBUG,
3641 "Ignore event %s (%d) while interface is disabled",
3642 event_to_string(event), event);
8401a6b0
JM		 3643 return;
3644 }
3645
74781dfc
JM		 3646#ifndef CONFIG_NO_STDOUT_DEBUG
3647{
3648 int level = MSG_DEBUG;
3649
eab6f5e0 3650 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 3651 const struct ieee80211_hdr *hdr;
3652 u16 fc;
3653 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
3654 fc = le_to_host16(hdr->frame_control);
3655 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3656 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
3657 level = MSG_EXCESSIVE;
3658 }
3659
3660 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 3661 event_to_string(event), event);
74781dfc
JM		 3662}
3663#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 3664
6fc6879b 3665 switch (event) {
c2a04078 3666 case EVENT_AUTH:
ea708118 3667#ifdef CONFIG_FST
58059e6c
JM		 3668 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
3669 data->auth.ies_len))
3670 wpa_printf(MSG_DEBUG,
3671 "FST: MB IEs updated from auth IE");
ea708118 3672#endif /* CONFIG_FST */
c2a04078
JM		 3673 sme_event_auth(wpa_s, data);
3674 break;
6fc6879b 3675 case EVENT_ASSOC:
02adead5
MK		 3676#ifdef CONFIG_TESTING_OPTIONS
3677 if (wpa_s->ignore_auth_resp) {
3678 wpa_printf(MSG_INFO,
3679 "EVENT_ASSOC - ignore_auth_resp active!");
3680 break;
3681 }
3682#endif /* CONFIG_TESTING_OPTIONS */
6fc6879b 3683 wpa_supplicant_event_assoc(wpa_s, data);
b41f2684
CL		 3684 if (data && data->assoc_info.authorized)
3685 wpa_supplicant_event_assoc_auth(wpa_s, data);
f32227ed
RJ		 3686 if (data) {
3687 wpa_msg(wpa_s, MSG_INFO,
3688 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
3689 data->assoc_info.subnet_status);
3690 }
6fc6879b
JM		 3691 break;
3692 case EVENT_DISASSOC:
d7df0fa7
JM		 3693 wpas_event_disassoc(wpa_s,
3694 data ? &data->disassoc_info : NULL);
3695 break;
a84ed99e 3696 case EVENT_DEAUTH:
02adead5
MK		 3697#ifdef CONFIG_TESTING_OPTIONS
3698 if (wpa_s->ignore_auth_resp) {
3699 wpa_printf(MSG_INFO,
3700 "EVENT_DEAUTH - ignore_auth_resp active!");
3701 break;
3702 }
3703#endif /* CONFIG_TESTING_OPTIONS */
d7df0fa7
JM		 3704 wpas_event_deauth(wpa_s,
3705 data ? &data->deauth_info : NULL);
6fc6879b
JM		 3706 break;
3707 case EVENT_MICHAEL_MIC_FAILURE:
3708 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
3709 break;
3710#ifndef CONFIG_NO_SCAN_PROCESSING
a5f40eff 3711 case EVENT_SCAN_STARTED:
adcd7c4b
KV		 3712 if (wpa_s->own_scan_requested ||
3713 (data && !data->scan_info.external_scan)) {
dc3906cb
JM		 3714 struct os_reltime diff;
3715
adcd7c4b 3716 os_get_reltime(&wpa_s->scan_start_time);
dc3906cb
JM		 3717 os_reltime_sub(&wpa_s->scan_start_time,
3718 &wpa_s->scan_trigger_time, &diff);
3719 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
3720 diff.sec, diff.usec);
a5f40eff
JM		 3721 wpa_s->own_scan_requested = 0;
3722 wpa_s->own_scan_running = 1;
d81c73be
JM		 3723 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
3724 wpa_s->manual_scan_use_id) {
abc05534
DS		 3725 wpa_msg_ctrl(wpa_s, MSG_INFO,
3726 WPA_EVENT_SCAN_STARTED "id=%u",
3727 wpa_s->manual_scan_id);
d81c73be 3728 } else {
abc05534
DS		 3729 wpa_msg_ctrl(wpa_s, MSG_INFO,
3730 WPA_EVENT_SCAN_STARTED);
d81c73be 3731 }
a5f40eff
JM		 3732 } else {
3733 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
d90bfa97 3734 wpa_s->radio->external_scan_running = 1;
abc05534 3735 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
a5f40eff
JM		 3736 }
3737 break;
6fc6879b 3738 case EVENT_SCAN_RESULTS:
1446afc8
IP		 3739 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3740 wpa_s->scan_res_handler = NULL;
3741 wpa_s->own_scan_running = 0;
3742 wpa_s->radio->external_scan_running = 0;
3743 wpa_s->last_scan_req = NORMAL_SCAN_REQ;
3744 break;
3745 }
3746
adcd7c4b
KV		 3747 if (!(data && data->scan_info.external_scan) &&
3748 os_reltime_initialized(&wpa_s->scan_start_time)) {
dc3906cb
JM		 3749 struct os_reltime now, diff;
3750 os_get_reltime(&now);
3751 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
3752 wpa_s->scan_start_time.sec = 0;
3753 wpa_s->scan_start_time.usec = 0;
3754 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
3755 diff.sec, diff.usec);
3756 }
b0e669be
JM		 3757 if (wpa_supplicant_event_scan_results(wpa_s, data))
3758 break; /* interface may have been removed */
adcd7c4b
KV		 3759 if (!(data && data->scan_info.external_scan))
3760 wpa_s->own_scan_running = 0;
3761 if (data && data->scan_info.nl_scan_event)
3762 wpa_s->radio->external_scan_running = 0;
6428d0a7 3763 radio_work_check_next(wpa_s);
6fc6879b
JM		 3764 break;
3765#endif /* CONFIG_NO_SCAN_PROCESSING */
3766 case EVENT_ASSOCINFO:
3767 wpa_supplicant_event_associnfo(wpa_s, data);
3768 break;
3769 case EVENT_INTERFACE_STATUS:
3770 wpa_supplicant_event_interface_status(wpa_s, data);
3771 break;
3772 case EVENT_PMKID_CANDIDATE:
3773 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
3774 break;
3775#ifdef CONFIG_PEERKEY
3776 case EVENT_STKSTART:
3777 wpa_supplicant_event_stkstart(wpa_s, data);
3778 break;
3779#endif /* CONFIG_PEERKEY */
281ff0aa
GP		 3780#ifdef CONFIG_TDLS
3781 case EVENT_TDLS:
3782 wpa_supplicant_event_tdls(wpa_s, data);
3783 break;
3784#endif /* CONFIG_TDLS */
ad3872a3 3785#ifdef CONFIG_WNM
75cad1a0
XC		 3786 case EVENT_WNM:
3787 wpa_supplicant_event_wnm(wpa_s, data);
3788 break;
ad3872a3 3789#endif /* CONFIG_WNM */
6fc6879b
JM		 3790#ifdef CONFIG_IEEE80211R
3791 case EVENT_FT_RESPONSE:
3792 wpa_supplicant_event_ft_response(wpa_s, data);
3793 break;
3794#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 3795#ifdef CONFIG_IBSS_RSN
3796 case EVENT_IBSS_RSN_START:
3797 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
3798 break;
3799#endif /* CONFIG_IBSS_RSN */
efa46078 3800 case EVENT_ASSOC_REJECT:
c05d6d18
JM		 3801 if (data->assoc_reject.bssid)
3802 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
15e5ee0b 3803 "bssid=" MACSTR " status_code=%u%s%s%s",
c05d6d18 3804 MAC2STR(data->assoc_reject.bssid),
9a5160f5 3805 data->assoc_reject.status_code,
3f23260d 3806 data->assoc_reject.timed_out ? " timeout" : "",
15e5ee0b
JB		 3807 data->assoc_reject.timeout_reason ? "=" : "",
3808 data->assoc_reject.timeout_reason ?
3809 data->assoc_reject.timeout_reason : "");
c05d6d18
JM		 3810 else
3811 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
15e5ee0b 3812 "status_code=%u%s%s%s",
9a5160f5 3813 data->assoc_reject.status_code,
3f23260d 3814 data->assoc_reject.timed_out ? " timeout" : "",
15e5ee0b
JB		 3815 data->assoc_reject.timeout_reason ? "=" : "",
3816 data->assoc_reject.timeout_reason ?
3817 data->assoc_reject.timeout_reason : "");
c7fb678f
NS		 3818 wpa_s->assoc_status_code = data->assoc_reject.status_code;
3819 wpas_notify_assoc_status_code(wpa_s);
ea78c315
JM		 3820 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3821 sme_event_assoc_reject(wpa_s, data);
10737aba
JM		 3822 else {
3823 const u8 *bssid = data->assoc_reject.bssid;
3824 if (bssid == NULL || is_zero_ether_addr(bssid))
3825 bssid = wpa_s->pending_bssid;
3826 wpas_connection_failed(wpa_s, bssid);
3827 wpa_supplicant_mark_disassoc(wpa_s);
3828 }
efa46078 3829 break;
da1fb17c 3830 case EVENT_AUTH_TIMED_OUT:
9a700ff9
JM		 3831 /* It is possible to get this event from earlier connection */
3832 if (wpa_s->current_ssid &&
3833 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3834 wpa_dbg(wpa_s, MSG_DEBUG,
3835 "Ignore AUTH_TIMED_OUT in mesh configuration");
3836 break;
3837 }
ea78c315
JM		 3838 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3839 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 3840 break;
3841 case EVENT_ASSOC_TIMED_OUT:
9a700ff9
JM		 3842 /* It is possible to get this event from earlier connection */
3843 if (wpa_s->current_ssid &&
3844 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3845 wpa_dbg(wpa_s, MSG_DEBUG,
3846 "Ignore ASSOC_TIMED_OUT in mesh configuration");
3847 break;
3848 }
ea78c315
JM		 3849 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3850 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 3851 break;
f8b1f695 3852 case EVENT_TX_STATUS:
f049052b
BG		 3853 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
3854 " type=%d stype=%d",
3855 MAC2STR(data->tx_status.dst),
3856 data->tx_status.type, data->tx_status.stype);
24f6497c 3857#ifdef CONFIG_AP
9bae1be0 3858 if (wpa_s->ap_iface == NULL) {
24f6497c 3859#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 3860 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3861 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 3862 offchannel_send_action_tx_status(
9bae1be0
JM		 3863 wpa_s, data->tx_status.dst,
3864 data->tx_status.data,
3865 data->tx_status.data_len,
93b7ddd0 3866 data->tx_status.ack ?
24f6497c
JM		 3867 OFFCHANNEL_SEND_ACTION_SUCCESS :
3868 OFFCHANNEL_SEND_ACTION_NO_ACK);
3869#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 3870 break;
3871 }
24f6497c
JM		 3872#endif /* CONFIG_AP */
3873#ifdef CONFIG_OFFCHANNEL
f049052b 3874 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
a26c9c2e 3875 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
9bae1be0
JM		 3876 /*
3877 * Catch TX status events for Action frames we sent via group
a26c9c2e
LD		 3878 * interface in GO mode, or via standalone AP interface.
3879 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
3880 * except when the primary interface is used as a GO interface
3881 * (for drivers which do not have group interface concurrency)
9bae1be0
JM		 3882 */
3883 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3884 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
a26c9c2e 3885 os_memcmp(wpa_s->p2pdev->pending_action_dst,
9bae1be0 3886 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 3887 offchannel_send_action_tx_status(
a26c9c2e 3888 wpa_s->p2pdev, data->tx_status.dst,
9bae1be0
JM		 3889 data->tx_status.data,
3890 data->tx_status.data_len,
1d39378a 3891 data->tx_status.ack ?
24f6497c
JM		 3892 OFFCHANNEL_SEND_ACTION_SUCCESS :
3893 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 3894 break;
9bae1be0 3895 }
24f6497c
JM		 3896#endif /* CONFIG_OFFCHANNEL */
3897#ifdef CONFIG_AP
f8b1f695
JM		 3898 switch (data->tx_status.type) {
3899 case WLAN_FC_TYPE_MGMT:
3900 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
3901 data->tx_status.data_len,
3902 data->tx_status.stype,
3903 data->tx_status.ack);
3904 break;
3905 case WLAN_FC_TYPE_DATA:
3906 ap_tx_status(wpa_s, data->tx_status.dst,
3907 data->tx_status.data,
3908 data->tx_status.data_len,
3909 data->tx_status.ack);
3910 break;
3911 }
24f6497c 3912#endif /* CONFIG_AP */
f8b1f695 3913 break;
24f6497c 3914#ifdef CONFIG_AP
dd840f79
JB		 3915 case EVENT_EAPOL_TX_STATUS:
3916 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
3917 data->eapol_tx_status.data,
3918 data->eapol_tx_status.data_len,
3919 data->eapol_tx_status.ack);
3920 break;
bcf24348
JB		 3921 case EVENT_DRIVER_CLIENT_POLL_OK:
3922 ap_client_poll_ok(wpa_s, data->client_poll.addr);
3923 break;
f8b1f695
JM		 3924 case EVENT_RX_FROM_UNKNOWN:
3925 if (wpa_s->ap_iface == NULL)
3926 break;
9b90955e
JB		 3927 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
3928 data->rx_from_unknown.wds);
f8b1f695 3929 break;
1b487b8b 3930 case EVENT_CH_SWITCH:
61f121d9 3931 if (!data || !wpa_s->current_ssid)
1b487b8b 3932 break;
1b487b8b 3933
37fd0be2
JM		 3934 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
3935 "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
3936 data->ch_switch.freq,
3937 data->ch_switch.ht_enabled,
3938 data->ch_switch.ch_offset,
3939 channel_width_to_string(data->ch_switch.ch_width),
3940 data->ch_switch.cf1,
3941 data->ch_switch.cf2);
3942
61f121d9
IP		 3943 wpa_s->assoc_freq = data->ch_switch.freq;
3944 wpa_s->current_ssid->frequency = data->ch_switch.freq;
3945
3946 if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
3947 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
3948 wpa_s->current_ssid->mode ==
3949 WPAS_MODE_P2P_GROUP_FORMATION) {
3950 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
3951 data->ch_switch.ht_enabled,
3952 data->ch_switch.ch_offset,
3953 data->ch_switch.ch_width,
3954 data->ch_switch.cf1,
3955 data->ch_switch.cf2);
3956 }
3bafb0d8
AO		 3957
3958 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
1b487b8b 3959 break;
bd0f68c4
AK		 3960#ifdef NEED_AP_MLME
3961 case EVENT_DFS_RADAR_DETECTED:
3962 if (data)
3963 wpas_event_dfs_radar_detected(wpa_s, &data->dfs_event);
3964 break;
3965 case EVENT_DFS_CAC_STARTED:
3966 if (data)
3967 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
3968 break;
3969 case EVENT_DFS_CAC_FINISHED:
3970 if (data)
3971 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
3972 break;
3973 case EVENT_DFS_CAC_ABORTED:
3974 if (data)
3975 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
3976 break;
3977 case EVENT_DFS_NOP_FINISHED:
3978 if (data)
3979 wpas_event_dfs_cac_nop_finished(wpa_s,
3980 &data->dfs_event);
3981 break;
3982#endif /* NEED_AP_MLME */
13adc57b 3983#endif /* CONFIG_AP */
2d43d37f
JB		 3984 case EVENT_RX_MGMT: {
3985 u16 fc, stype;
3986 const struct ieee80211_mgmt *mgmt;
3987
60b893df
JM		 3988#ifdef CONFIG_TESTING_OPTIONS
3989 if (wpa_s->ext_mgmt_frame_handling) {
3990 struct rx_mgmt *rx = &data->rx_mgmt;
3991 size_t hex_len = 2 * rx->frame_len + 1;
3992 char *hex = os_malloc(hex_len);
3993 if (hex) {
3994 wpa_snprintf_hex(hex, hex_len,
3995 rx->frame, rx->frame_len);
3996 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
3997 rx->freq, rx->datarate, rx->ssi_signal,
3998 hex);
3999 os_free(hex);
4000 }
4001 break;
4002 }
4003#endif /* CONFIG_TESTING_OPTIONS */
4004
2d43d37f
JB		 4005 mgmt = (const struct ieee80211_mgmt *)
4006 data->rx_mgmt.frame;
4007 fc = le_to_host16(mgmt->frame_control);
4008 stype = WLAN_FC_GET_STYPE(fc);
4009
13adc57b 4010#ifdef CONFIG_AP
9bae1be0 4011 if (wpa_s->ap_iface == NULL) {
13adc57b 4012#endif /* CONFIG_AP */
9bae1be0 4013#ifdef CONFIG_P2P
9bae1be0 4014 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0 4015 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
9bae1be0 4016 const u8 *src = mgmt->sa;
c01120a0
JM		 4017 const u8 *ie;
4018 size_t ie_len;
4019
4020 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4021 ie_len = data->rx_mgmt.frame_len -
4022 IEEE80211_HDRLEN;
baf513d6
JB		 4023 wpas_p2p_probe_req_rx(
4024 wpa_s, src, mgmt->da,
4025 mgmt->bssid, ie, ie_len,
734ddf61 4026 data->rx_mgmt.freq,
baf513d6 4027 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 4028 break;
4029 }
4030#endif /* CONFIG_P2P */
13adc57b 4031#ifdef CONFIG_IBSS_RSN
5f92659d
BC		 4032 if (wpa_s->current_ssid &&
4033 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4034 stype == WLAN_FC_STYPE_AUTH &&
13adc57b
AQ		 4035 data->rx_mgmt.frame_len >= 30) {
4036 wpa_supplicant_event_ibss_auth(wpa_s, data);
4037 break;
4038 }
4039#endif /* CONFIG_IBSS_RSN */
dbfb8e82
JM		 4040
4041 if (stype == WLAN_FC_STYPE_ACTION) {
4042 wpas_event_rx_mgmt_action(
70d95373
JM		 4043 wpa_s, data->rx_mgmt.frame,
4044 data->rx_mgmt.frame_len,
70d1e728
AO		 4045 data->rx_mgmt.freq,
4046 data->rx_mgmt.ssi_signal);
dbfb8e82
JM		 4047 break;
4048 }
4049
5f92659d
BC		 4050 if (wpa_s->ifmsh) {
4051 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4052 break;
4053 }
4054
f049052b
BG		 4055 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4056 "management frame in non-AP mode");
f8b1f695 4057 break;
13adc57b 4058#ifdef CONFIG_AP
9bae1be0 4059 }
2d43d37f
JB		 4060
4061 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0
JM		 4062 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4063 const u8 *ie;
4064 size_t ie_len;
4065
4066 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4067 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
2d43d37f
JB		 4068
4069 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4070 mgmt->bssid, ie, ie_len,
4071 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 4072 }
4073
2a8b7416 4074 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
13adc57b 4075#endif /* CONFIG_AP */
f8b1f695 4076 break;
2d43d37f 4077 }
e67b55fb 4078 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 4079 if (data->rx_probe_req.sa == NULL ||
4080 data->rx_probe_req.ie == NULL)
4081 break;
e67b55fb
JM		 4082#ifdef CONFIG_AP
4083 if (wpa_s->ap_iface) {
4084 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4085 data->rx_probe_req.sa,
04a85e44
JM		 4086 data->rx_probe_req.da,
4087 data->rx_probe_req.bssid,
e67b55fb 4088 data->rx_probe_req.ie,
baf513d6
JB		 4089 data->rx_probe_req.ie_len,
4090 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 4091 break;
4092 }
4093#endif /* CONFIG_AP */
e67b55fb 4094 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 4095 data->rx_probe_req.da,
4096 data->rx_probe_req.bssid,
e67b55fb 4097 data->rx_probe_req.ie,
baf513d6 4098 data->rx_probe_req.ie_len,
734ddf61 4099 0,
baf513d6 4100 data->rx_probe_req.ssi_signal);
036f7c4a 4101 break;
9bae1be0 4102 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 4103#ifdef CONFIG_OFFCHANNEL
4104 offchannel_remain_on_channel_cb(
4105 wpa_s, data->remain_on_channel.freq,
4106 data->remain_on_channel.duration);
4107#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4108 wpas_p2p_remain_on_channel_cb(
4109 wpa_s, data->remain_on_channel.freq,
4110 data->remain_on_channel.duration);
4111 break;
4112 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 4113#ifdef CONFIG_OFFCHANNEL
4114 offchannel_cancel_remain_on_channel_cb(
4115 wpa_s, data->remain_on_channel.freq);
4116#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4117 wpas_p2p_cancel_remain_on_channel_cb(
4118 wpa_s, data->remain_on_channel.freq);
4119 break;
a8e0505b
JM		 4120 case EVENT_EAPOL_RX:
4121 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4122 data->eapol_rx.data,
4123 data->eapol_rx.data_len);
4124 break;
e2f74005 4125 case EVENT_SIGNAL_CHANGE:
0cd86028
JM		 4126 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4127 "above=%d signal=%d noise=%d txrate=%d",
4128 data->signal_change.above_threshold,
4129 data->signal_change.current_signal,
4130 data->signal_change.current_noise,
4131 data->signal_change.current_txrate);
71d77adb
MM		 4132 wpa_bss_update_level(wpa_s->current_bss,
4133 data->signal_change.current_signal);
e2f74005 4134 bgscan_notify_signal_change(
60a972a6 4135 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 4136 data->signal_change.current_signal,
4137 data->signal_change.current_noise,
4138 data->signal_change.current_txrate);
e2f74005 4139 break;
8401a6b0 4140 case EVENT_INTERFACE_ENABLED:
f049052b 4141 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 4142 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 4143 wpa_supplicant_update_mac_addr(wpa_s);
782e2f78
IP		 4144 if (wpa_s->p2p_mgmt) {
4145 wpa_supplicant_set_state(wpa_s,
4146 WPA_DISCONNECTED);
4147 break;
4148 }
4149
199716ad 4150#ifdef CONFIG_AP
9919f7a2
JB		 4151 if (!wpa_s->ap_iface) {
4152 wpa_supplicant_set_state(wpa_s,
4153 WPA_DISCONNECTED);
635874b5 4154 wpa_s->scan_req = NORMAL_SCAN_REQ;
9919f7a2
JB		 4155 wpa_supplicant_req_scan(wpa_s, 0, 0);
4156 } else
4157 wpa_supplicant_set_state(wpa_s,
4158 WPA_COMPLETED);
199716ad
BG		 4159#else /* CONFIG_AP */
4160 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4161 wpa_supplicant_req_scan(wpa_s, 0, 0);
4162#endif /* CONFIG_AP */
8401a6b0
JM		 4163 }
4164 break;
4165 case EVENT_INTERFACE_DISABLED:
f049052b 4166 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
6f72577f
IP		 4167#ifdef CONFIG_P2P
4168 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
4169 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
4170 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
635874b5
JM		 4171 /*
4172 * Mark interface disabled if this happens to end up not
4173 * being removed as a separate P2P group interface.
4174 */
4175 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6f72577f
IP		 4176 /*
4177 * The interface was externally disabled. Remove
4178 * it assuming an external entity will start a
4179 * new session if needed.
4180 */
8f2cf379
JM		 4181 if (wpa_s->current_ssid &&
4182 wpa_s->current_ssid->p2p_group)
4183 wpas_p2p_interface_unavailable(wpa_s);
4184 else
4185 wpas_p2p_disconnect(wpa_s);
635874b5
JM		 4186 /*
4187 * wpa_s instance may have been freed, so must not use
4188 * it here anymore.
4189 */
6f72577f
IP		 4190 break;
4191 }
c71c2416
JM		 4192 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
4193 p2p_in_progress(wpa_s->global->p2p) > 1) {
4194 /* This radio work will be cancelled, so clear P2P
4195 * state as well.
4196 */
4197 p2p_stop_find(wpa_s->global->p2p);
4198 }
6f72577f
IP		 4199#endif /* CONFIG_P2P */
4200
b7a6702f
JM		 4201 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
4202 /*
4203 * Indicate disconnection to keep ctrl_iface events
4204 * consistent.
4205 */
4206 wpa_supplicant_event_disassoc(
4207 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4208 }
8401a6b0 4209 wpa_supplicant_mark_disassoc(wpa_s);
14220fe6 4210 wpa_bss_flush(wpa_s);
b3253ebb
AO		 4211 radio_remove_works(wpa_s, NULL, 0);
4212
8401a6b0
JM		 4213 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4214 break;
b5c9da8d 4215 case EVENT_CHANNEL_LIST_CHANGED:
142817b2
JM		 4216 wpa_supplicant_update_channel_list(
4217 wpa_s, &data->channel_list_changed);
c973f386
JM		 4218 break;
4219 case EVENT_INTERFACE_UNAVAILABLE:
c973f386 4220 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 4221 break;
4222 case EVENT_BEST_CHANNEL:
f049052b
BG		 4223 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4224 "(%d %d %d)",
4225 data->best_chan.freq_24, data->best_chan.freq_5,
4226 data->best_chan.freq_overall);
7cfc4ac3
AGS		 4227 wpa_s->best_24_freq = data->best_chan.freq_24;
4228 wpa_s->best_5_freq = data->best_chan.freq_5;
4229 wpa_s->best_overall_freq = data->best_chan.freq_overall;
7cfc4ac3
AGS		 4230 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4231 data->best_chan.freq_5,
4232 data->best_chan.freq_overall);
b5c9da8d 4233 break;
7d878ca7
JM		 4234 case EVENT_UNPROT_DEAUTH:
4235 wpa_supplicant_event_unprot_deauth(wpa_s,
4236 &data->unprot_deauth);
4237 break;
4238 case EVENT_UNPROT_DISASSOC:
4239 wpa_supplicant_event_unprot_disassoc(wpa_s,
4240 &data->unprot_disassoc);
4241 break;
0d7e5a3a
JB		 4242 case EVENT_STATION_LOW_ACK:
4243#ifdef CONFIG_AP
4244 if (wpa_s->ap_iface && data)
4245 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4246 data->low_ack.addr);
4247#endif /* CONFIG_AP */
8f15f711
AN		 4248#ifdef CONFIG_TDLS
4249 if (data)
947f900f
AN		 4250 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4251 data->low_ack.addr);
8f15f711 4252#endif /* CONFIG_TDLS */
0d7e5a3a 4253 break;
ea244d21
XC		 4254 case EVENT_IBSS_PEER_LOST:
4255#ifdef CONFIG_IBSS_RSN
4256 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4257#endif /* CONFIG_IBSS_RSN */
4258 break;
b14a210c
JB		 4259 case EVENT_DRIVER_GTK_REKEY:
4260 if (os_memcmp(data->driver_gtk_rekey.bssid,
4261 wpa_s->bssid, ETH_ALEN))
4262 break;
4263 if (!wpa_s->wpa)
4264 break;
4265 wpa_sm_update_replay_ctr(wpa_s->wpa,
4266 data->driver_gtk_rekey.replay_ctr);
4267 break;
cbdf3507
LC		 4268 case EVENT_SCHED_SCAN_STOPPED:
4269 wpa_s->sched_scanning = 0;
bef5e9a8 4270 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
cbdf3507
LC		 4271 wpa_supplicant_notify_scanning(wpa_s, 0);
4272
9b6f44cb
JM		 4273 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4274 break;
4275
14f34a73
AS		 4276 /*
4277 * If the driver stopped scanning without being requested to,
4278 * request a new scan to continue scanning for networks.
4279 */
4280 if (!wpa_s->sched_scan_stop_req &&
4281 wpa_s->wpa_state == WPA_SCANNING) {
4282 wpa_dbg(wpa_s, MSG_DEBUG,
4283 "Restart scanning after unexpected sched_scan stop event");
4284 wpa_supplicant_req_scan(wpa_s, 1, 0);
4285 break;
4286 }
4287
4288 wpa_s->sched_scan_stop_req = 0;
4289
cbdf3507 4290 /*
cf70d298
RM		 4291 * Start a new sched scan to continue searching for more SSIDs
4292 * either if timed out or PNO schedule scan is pending.
cbdf3507 4293 */
5e3ddf4d
AB		 4294 if (wpa_s->sched_scan_timed_out) {
4295 wpa_supplicant_req_sched_scan(wpa_s);
4296 } else if (wpa_s->pno_sched_pending) {
4297 wpa_s->pno_sched_pending = 0;
4298 wpas_start_pno(wpa_s);
02e122a9
DS		 4299 } else if (resched) {
4300 wpa_supplicant_req_scan(wpa_s, 0, 0);
cf70d298
RM		 4301 }
4302
cbdf3507 4303 break;
783fcb7d
GG		 4304 case EVENT_WPS_BUTTON_PUSHED:
4305#ifdef CONFIG_WPS
4306 wpas_wps_start_pbc(wpa_s, NULL, 0);
4307#endif /* CONFIG_WPS */
4308 break;
253f2e37
AH		 4309 case EVENT_AVOID_FREQUENCIES:
4310 wpa_supplicant_notify_avoid_freq(wpa_s, data);
4311 break;
3140803b
RM		 4312 case EVENT_CONNECT_FAILED_REASON:
4313#ifdef CONFIG_AP
4314 if (!wpa_s->ap_iface || !data)
4315 break;
4316 hostapd_event_connect_failed_reason(
4317 wpa_s->ap_iface->bss[0],
4318 data->connect_failed_reason.addr,
4319 data->connect_failed_reason.code);
4320#endif /* CONFIG_AP */
4321 break;
8319e312 4322 case EVENT_NEW_PEER_CANDIDATE:
eac02316
MH		 4323#ifdef CONFIG_MESH
4324 if (!wpa_s->ifmsh || !data)
4325 break;
8319e312
TP		 4326 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4327 data->mesh_peer.ies,
4328 data->mesh_peer.ie_len);
eac02316 4329#endif /* CONFIG_MESH */
8319e312 4330 break;
96bc5086
TB		 4331 case EVENT_SURVEY:
4332#ifdef CONFIG_AP
4333 if (!wpa_s->ap_iface)
4334 break;
4335 hostapd_event_get_survey(wpa_s->ap_iface,
4336 &data->survey_results);
4337#endif /* CONFIG_AP */
4338 break;
d9909717 4339 case EVENT_ACS_CHANNEL_SELECTED:
34e8bfd7 4340#ifdef CONFIG_AP
d9909717
TB		 4341#ifdef CONFIG_ACS
4342 if (!wpa_s->ap_iface)
4343 break;
4344 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4345 &data->acs_selected_channels);
4346#endif /* CONFIG_ACS */
34e8bfd7 4347#endif /* CONFIG_AP */
d9909717 4348 break;
a6f5b193
PX		 4349 case EVENT_P2P_LO_STOP:
4350#ifdef CONFIG_P2P
4351 wpa_s->p2p_lo_started = 0;
4352 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4353 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4354 data->p2p_lo_stop.reason_code);
4355#endif /* CONFIG_P2P */
4356 break;
0f9b4a0f
JM		 4357 case EVENT_BEACON_LOSS:
4358 if (!wpa_s->current_bss || !wpa_s->current_ssid)
4359 break;
4360 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
4361 bgscan_notify_beacon_loss(wpa_s);
4362 break;
6fc6879b 4363 default:
f049052b 4364 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 4365 break;
4366 }
4367}
45e3fc72
RM		 4368
4369
4370void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4371 union wpa_event_data *data)
4372{
4373 struct wpa_supplicant *wpa_s;
4374
4375 if (event != EVENT_INTERFACE_STATUS)
4376 return;
4377
4378 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4379 if (wpa_s && wpa_s->driver->get_ifindex) {
4380 unsigned int ifindex;
4381
4382 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4383 if (ifindex != data->interface_status.ifindex) {
4384 wpa_dbg(wpa_s, MSG_DEBUG,
4385 "interface status ifindex %d mismatch (%d)",
4386 ifindex, data->interface_status.ifindex);
4387 return;
4388 }
4389 }
2e997eec
RM		 4390#ifdef CONFIG_MATCH_IFACE
4391 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4392 struct wpa_interface *wpa_i;
4393
4394 wpa_i = wpa_supplicant_match_iface(
4395 ctx, data->interface_status.ifname);
4396 if (!wpa_i)
4397 return;
4398 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
4399 os_free(wpa_i);
4400 if (wpa_s)
4401 wpa_s->matched = 1;
4402 }
4403#endif /* CONFIG_MATCH_IFACE */
45e3fc72
RM		 4404
4405 if (wpa_s)
4406 wpa_supplicant_event(wpa_s, event, data);
4407}
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