]> git.ipfire.org Git - thirdparty/hostap.git/blame - wpa_supplicant/events.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
DPP: Network Introduction protocol for wpa_supplicant
[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"
30d27b04 31#include "common/dpp.h"
461d39af 32#include "common/gas_server.h"
bbb921da 33#include "crypto/random.h"
6fc6879b
JM		 34#include "blacklist.h"
35#include "wpas_glue.h"
351f09a2 36#include "wps_supplicant.h"
11ef8d35 37#include "ibss_rsn.h"
c2a04078 38#include "sme.h"
04ea7b79 39#include "gas_query.h"
9bae1be0 40#include "p2p_supplicant.h"
60b94c98 41#include "bgscan.h"
7c865c68 42#include "autoscan.h"
f8b1f695 43#include "ap.h"
6fa81a3b 44#include "bss.h"
9ba9fa07 45#include "scan.h"
24f6497c 46#include "offchannel.h"
4d5bda5f 47#include "interworking.h"
8319e312 48#include "mesh.h"
5f92659d 49#include "mesh_mpm.h"
a0413b17 50#include "wmm_ac.h"
30d27b04 51#include "dpp_supplicant.h"
6fc6879b
JM		 52
53
5d5c4ee5 54#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d 55static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 56 int new_scan, int own_request);
5d5c4ee5 57#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 58
59
3d5f0e91 60int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
00e5e3d5 61{
4e1eae1d 62 struct os_reltime now;
00e5e3d5
JM		 63
64 if (ssid == NULL || ssid->disabled_until.sec == 0)
65 return 0;
66
4e1eae1d 67 os_get_reltime(&now);
00e5e3d5
JM		 68 if (ssid->disabled_until.sec > now.sec)
69 return ssid->disabled_until.sec - now.sec;
70
71 wpas_clear_temp_disabled(wpa_s, ssid, 0);
72
73 return 0;
74}
75
76
eb926f12 77#ifndef CONFIG_NO_SCAN_PROCESSING
9bd566a3
AS		 78/**
79 * wpas_reenabled_network_time - Time until first network is re-enabled
80 * @wpa_s: Pointer to wpa_supplicant data
81 * Returns: If all enabled networks are temporarily disabled, returns the time
82 * (in sec) until the first network is re-enabled. Otherwise returns 0.
83 *
84 * This function is used in case all enabled networks are temporarily disabled,
85 * in which case it returns the time (in sec) that the first network will be
86 * re-enabled. The function assumes that at least one network is enabled.
87 */
88static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
89{
90 struct wpa_ssid *ssid;
91 int disabled_for, res = 0;
92
93#ifdef CONFIG_INTERWORKING
94 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
95 wpa_s->conf->cred)
96 return 0;
97#endif /* CONFIG_INTERWORKING */
98
99 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
100 if (ssid->disabled)
101 continue;
102
103 disabled_for = wpas_temp_disabled(wpa_s, ssid);
104 if (!disabled_for)
105 return 0;
106
107 if (!res || disabled_for < res)
108 res = disabled_for;
109 }
110
111 return res;
112}
eb926f12 113#endif /* CONFIG_NO_SCAN_PROCESSING */
9bd566a3
AS		 114
115
116void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
117{
118 struct wpa_supplicant *wpa_s = eloop_ctx;
119
120 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
121 return;
122
123 wpa_dbg(wpa_s, MSG_DEBUG,
124 "Try to associate due to network getting re-enabled");
125 if (wpa_supplicant_fast_associate(wpa_s) != 1) {
126 wpa_supplicant_cancel_sched_scan(wpa_s);
127 wpa_supplicant_req_scan(wpa_s, 0, 0);
128 }
129}
130
131
5cd47405
JM		 132static struct wpa_bss * wpa_supplicant_get_new_bss(
133 struct wpa_supplicant *wpa_s, const u8 *bssid)
134{
135 struct wpa_bss *bss = NULL;
136 struct wpa_ssid *ssid = wpa_s->current_ssid;
137
138 if (ssid->ssid_len > 0)
139 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
140 if (!bss)
141 bss = wpa_bss_get_bssid(wpa_s, bssid);
142
143 return bss;
144}
145
146
068e3877
JM		 147static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
148{
149 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
150
151 if (!bss) {
152 wpa_supplicant_update_scan_results(wpa_s);
153
154 /* Get the BSS from the new scan results */
155 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
156 }
157
158 if (bss)
159 wpa_s->current_bss = bss;
160}
161
162
6fc6879b
JM		 163static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
164{
8bac466b 165 struct wpa_ssid *ssid, *old_ssid;
eaa8eefe 166 u8 drv_ssid[SSID_MAX_LEN];
c41d0840 167 size_t drv_ssid_len;
00e5e3d5 168 int res;
6fc6879b 169
068e3877
JM		 170 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
171 wpa_supplicant_update_current_bss(wpa_s);
c41d0840
KV		 172
173 if (wpa_s->current_ssid->ssid_len == 0)
174 return 0; /* current profile still in use */
175 res = wpa_drv_get_ssid(wpa_s, drv_ssid);
176 if (res < 0) {
177 wpa_msg(wpa_s, MSG_INFO,
178 "Failed to read SSID from driver");
179 return 0; /* try to use current profile */
180 }
181 drv_ssid_len = res;
182
183 if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
184 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
185 drv_ssid_len) == 0)
186 return 0; /* current profile still in use */
187
188 wpa_msg(wpa_s, MSG_DEBUG,
189 "Driver-initiated BSS selection changed the SSID to %s",
190 wpa_ssid_txt(drv_ssid, drv_ssid_len));
191 /* continue selecting a new network profile */
068e3877 192 }
6fc6879b 193
f049052b
BG		 194 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
195 "information");
6fc6879b
JM		 196 ssid = wpa_supplicant_get_ssid(wpa_s);
197 if (ssid == NULL) {
f049052b
BG		 198 wpa_msg(wpa_s, MSG_INFO,
199 "No network configuration found for the current AP");
6fc6879b
JM		 200 return -1;
201 }
202
349493bd 203 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 204 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 205 return -1;
206 }
207
6407f413
JM		 208 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
209 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
210 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
211 return -1;
212 }
213
00e5e3d5
JM		 214 res = wpas_temp_disabled(wpa_s, ssid);
215 if (res > 0) {
216 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
217 "disabled for %d second(s)", res);
218 return -1;
219 }
220
f049052b
BG		 221 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
222 "current AP");
0bf927a0 223 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 224 u8 wpa_ie[80];
225 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 226 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
227 wpa_ie, &wpa_ie_len) < 0)
228 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 229 } else {
230 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
231 }
232
233 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
234 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 235 old_ssid = wpa_s->current_ssid;
6fc6879b 236 wpa_s->current_ssid = ssid;
5cd47405 237
068e3877 238 wpa_supplicant_update_current_bss(wpa_s);
5cd47405 239
6fc6879b
JM		 240 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
241 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 242 if (old_ssid != wpa_s->current_ssid)
243 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 244
245 return 0;
246}
247
248
01a17491 249void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 250{
251 struct wpa_supplicant *wpa_s = eloop_ctx;
252
253 if (wpa_s->countermeasures) {
254 wpa_s->countermeasures = 0;
255 wpa_drv_set_countermeasures(wpa_s, 0);
256 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
f1609f11
IP		 257
258 /*
259 * It is possible that the device is sched scanning, which means
260 * that a connection attempt will be done only when we receive
261 * scan results. However, in this case, it would be preferable
262 * to scan and connect immediately, so cancel the sched_scan and
263 * issue a regular scan flow.
264 */
265 wpa_supplicant_cancel_sched_scan(wpa_s);
6fc6879b
JM		 266 wpa_supplicant_req_scan(wpa_s, 0, 0);
267 }
268}
269
270
271void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
272{
8bac466b
JM		 273 int bssid_changed;
274
b6668734
JM		 275 wnm_bss_keep_alive_deinit(wpa_s);
276
78177a00
JM		 277#ifdef CONFIG_IBSS_RSN
278 ibss_rsn_deinit(wpa_s->ibss_rsn);
279 wpa_s->ibss_rsn = NULL;
280#endif /* CONFIG_IBSS_RSN */
281
ca62e114
JM		 282#ifdef CONFIG_AP
283 wpa_supplicant_ap_deinit(wpa_s);
284#endif /* CONFIG_AP */
285
ece4ac5f
MG		 286#ifdef CONFIG_HS20
287 /* Clear possibly configured frame filters */
288 wpa_drv_configure_frame_filters(wpa_s, 0);
289#endif /* CONFIG_HS20 */
290
8401a6b0
JM		 291 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
292 return;
293
6fc6879b 294 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 295 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 296 os_memset(wpa_s->bssid, 0, ETH_ALEN);
297 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
4e70bbf1 298 sme_clear_on_disassoc(wpa_s);
be8be671 299 wpa_s->current_bss = NULL;
3c85f144 300 wpa_s->assoc_freq = 0;
8fd0f0f3 301
8bac466b
JM		 302 if (bssid_changed)
303 wpas_notify_bssid_changed(wpa_s);
304
6fc6879b
JM		 305 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
306 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
a1ea1b45 307 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
567da5bb
JM		 308 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
309 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)
6fc6879b
JM		 310 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
311 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24 312 wpa_s->current_ssid = NULL;
25a8f9e3 313 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
0d30cc24 314 wpa_s->key_mgmt = 0;
b361d580
AK		 315
316 wpas_rrm_reset(wpa_s);
03ed0a52 317 wpa_s->wnmsleep_used = 0;
6fc6879b
JM		 318}
319
320
321static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
322{
323 struct wpa_ie_data ie;
324 int pmksa_set = -1;
325 size_t i;
326
327 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
328 ie.pmkid == NULL)
329 return;
330
331 for (i = 0; i < ie.num_pmkid; i++) {
332 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
333 ie.pmkid + i * PMKID_LEN,
869af307 334 NULL, NULL, 0, NULL);
6fc6879b 335 if (pmksa_set == 0) {
ba422613 336 eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
6fc6879b
JM		 337 break;
338 }
339 }
340
f049052b
BG		 341 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
342 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 343}
344
345
346static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
347 union wpa_event_data *data)
348{
349 if (data == NULL) {
f049052b
BG		 350 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
351 "event");
6fc6879b
JM		 352 return;
353 }
f049052b
BG		 354 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
355 " index=%d preauth=%d",
356 MAC2STR(data->pmkid_candidate.bssid),
357 data->pmkid_candidate.index,
358 data->pmkid_candidate.preauth);
6fc6879b
JM		 359
360 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
361 data->pmkid_candidate.index,
362 data->pmkid_candidate.preauth);
363}
364
365
366static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
367{
368 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
369 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
370 return 0;
371
372#ifdef IEEE8021X_EAPOL
373 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
374 wpa_s->current_ssid &&
375 !(wpa_s->current_ssid->eapol_flags &
376 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
377 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
378 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
379 * plaintext or static WEP keys). */
380 return 0;
381 }
382#endif /* IEEE8021X_EAPOL */
383
384 return 1;
385}
386
387
388/**
389 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
390 * @wpa_s: pointer to wpa_supplicant data
391 * @ssid: Configuration data for the network
392 * Returns: 0 on success, -1 on failure
393 *
394 * This function is called when starting authentication with a network that is
395 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
396 */
397int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
398 struct wpa_ssid *ssid)
399{
400#ifdef IEEE8021X_EAPOL
b832d34c 401#ifdef PCSC_FUNCS
eb324600 402 int aka = 0, sim = 0;
6fc6879b 403
62f736dd
JT		 404 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
405 wpa_s->scard != NULL || wpa_s->conf->external_sim)
6fc6879b
JM		 406 return 0;
407
62f736dd 408 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
6fc6879b
JM		 409 sim = 1;
410 aka = 1;
411 } else {
412 struct eap_method_type *eap = ssid->eap.eap_methods;
413 while (eap->vendor != EAP_VENDOR_IETF ||
414 eap->method != EAP_TYPE_NONE) {
415 if (eap->vendor == EAP_VENDOR_IETF) {
416 if (eap->method == EAP_TYPE_SIM)
417 sim = 1;
3d332fe7
JM		 418 else if (eap->method == EAP_TYPE_AKA ||
419 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 420 aka = 1;
421 }
422 eap++;
423 }
424 }
425
426 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
427 sim = 0;
3d332fe7
JM		 428 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
429 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
430 NULL)
6fc6879b
JM		 431 aka = 0;
432
433 if (!sim && !aka) {
f049052b
BG		 434 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
435 "use SIM, but neither EAP-SIM nor EAP-AKA are "
436 "enabled");
6fc6879b
JM		 437 return 0;
438 }
439
f049052b
BG		 440 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
441 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
eb324600 442
5a620604 443 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
6fc6879b 444 if (wpa_s->scard == NULL) {
f049052b
BG		 445 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
446 "(pcsc-lite)");
6fc6879b
JM		 447 return -1;
448 }
449 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
450 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 451#endif /* PCSC_FUNCS */
6fc6879b
JM		 452#endif /* IEEE8021X_EAPOL */
453
454 return 0;
455}
456
457
458#ifndef CONFIG_NO_SCAN_PROCESSING
86bd1410
JM		 459
460static int has_wep_key(struct wpa_ssid *ssid)
461{
462 int i;
463
464 for (i = 0; i < NUM_WEP_KEYS; i++) {
465 if (ssid->wep_key_len[i])
466 return 1;
467 }
468
469 return 0;
470}
471
472
620c7837 473static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 474 struct wpa_ssid *ssid)
475{
86bd1410 476 int privacy = 0;
6fc6879b
JM		 477
478 if (ssid->mixed_cell)
479 return 1;
480
0632542b
AT		 481#ifdef CONFIG_WPS
482 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
483 return 1;
484#endif /* CONFIG_WPS */
485
86bd1410
JM		 486 if (has_wep_key(ssid))
487 privacy = 1;
488
6fc6879b
JM		 489#ifdef IEEE8021X_EAPOL
490 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
491 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
492 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
493 privacy = 1;
494#endif /* IEEE8021X_EAPOL */
495
29fbc522
JM		 496 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
497 privacy = 1;
498
df0f01d9
JM		 499 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
500 privacy = 1;
501
6fc6879b
JM		 502 if (bss->caps & IEEE80211_CAP_PRIVACY)
503 return privacy;
504 return !privacy;
505}
506
507
a6099152
JM		 508static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
509 struct wpa_ssid *ssid,
e65a87b3 510 struct wpa_bss *bss, int debug_print)
6fc6879b
JM		 511{
512 struct wpa_ie_data ie;
513 int proto_match = 0;
514 const u8 *rsn_ie, *wpa_ie;
351f09a2 515 int ret;
43882f1e 516 int wep_ok;
6fc6879b 517
a6099152 518 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 519 if (ret >= 0)
520 return ret;
ad08c363 521
43882f1e
JM		 522 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
523 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
524 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
525 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
526 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
527
620c7837 528 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6fc6879b
JM		 529 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
530 proto_match++;
531
532 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
e65a87b3
JM		 533 if (debug_print)
534 wpa_dbg(wpa_s, MSG_DEBUG,
535 " skip RSN IE - parse failed");
6fc6879b
JM		 536 break;
537 }
43882f1e
JM		 538
539 if (wep_ok &&
540 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
541 {
e65a87b3
JM		 542 if (debug_print)
543 wpa_dbg(wpa_s, MSG_DEBUG,
544 " selected based on TSN in RSN IE");
43882f1e
JM		 545 return 1;
546 }
547
6fc6879b 548 if (!(ie.proto & ssid->proto)) {
e65a87b3
JM		 549 if (debug_print)
550 wpa_dbg(wpa_s, MSG_DEBUG,
551 " skip RSN IE - proto mismatch");
6fc6879b
JM		 552 break;
553 }
554
555 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 556 if (debug_print)
557 wpa_dbg(wpa_s, MSG_DEBUG,
558 " skip RSN IE - PTK cipher mismatch");
6fc6879b
JM		 559 break;
560 }
561
562 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 563 if (debug_print)
564 wpa_dbg(wpa_s, MSG_DEBUG,
565 " skip RSN IE - GTK cipher mismatch");
6fc6879b
JM		 566 break;
567 }
568
569 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 570 if (debug_print)
571 wpa_dbg(wpa_s, MSG_DEBUG,
572 " skip RSN IE - key mgmt mismatch");
6fc6879b
JM		 573 break;
574 }
575
576#ifdef CONFIG_IEEE80211W
0b60b0aa 577 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
3f56a2b7 578 wpas_get_ssid_pmf(wpa_s, ssid) ==
62d49803 579 MGMT_FRAME_PROTECTION_REQUIRED) {
e65a87b3
JM		 580 if (debug_print)
581 wpa_dbg(wpa_s, MSG_DEBUG,
582 " skip RSN IE - no mgmt frame protection");
6fc6879b
JM		 583 break;
584 }
585#endif /* CONFIG_IEEE80211W */
fa464267
JM		 586 if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
587 wpas_get_ssid_pmf(wpa_s, ssid) ==
588 NO_MGMT_FRAME_PROTECTION) {
e65a87b3
JM		 589 if (debug_print)
590 wpa_dbg(wpa_s, MSG_DEBUG,
591 " skip RSN IE - no mgmt frame protection enabled but AP requires it");
fa464267
JM		 592 break;
593 }
940491ce
JM		 594#ifdef CONFIG_MBO
595 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
596 wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) &&
597 wpas_get_ssid_pmf(wpa_s, ssid) !=
598 NO_MGMT_FRAME_PROTECTION) {
e65a87b3
JM		 599 if (debug_print)
600 wpa_dbg(wpa_s, MSG_DEBUG,
601 " skip RSN IE - no mgmt frame protection enabled on MBO AP");
940491ce
JM		 602 break;
603 }
604#endif /* CONFIG_MBO */
6fc6879b 605
e65a87b3
JM		 606 if (debug_print)
607 wpa_dbg(wpa_s, MSG_DEBUG,
608 " selected based on RSN IE");
6fc6879b
JM		 609 return 1;
610 }
611
03626e91
SD		 612#ifdef CONFIG_IEEE80211W
613 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) {
e65a87b3
JM		 614 if (debug_print)
615 wpa_dbg(wpa_s, MSG_DEBUG,
616 " skip - MFP Required but network not MFP Capable");
03626e91
SD		 617 return 0;
618 }
619#endif /* CONFIG_IEEE80211W */
620
620c7837 621 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 622 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
623 proto_match++;
624
625 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
e65a87b3
JM		 626 if (debug_print)
627 wpa_dbg(wpa_s, MSG_DEBUG,
628 " skip WPA IE - parse failed");
6fc6879b
JM		 629 break;
630 }
43882f1e
JM		 631
632 if (wep_ok &&
633 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
634 {
e65a87b3
JM		 635 if (debug_print)
636 wpa_dbg(wpa_s, MSG_DEBUG,
637 " selected based on TSN in WPA IE");
43882f1e
JM		 638 return 1;
639 }
640
6fc6879b 641 if (!(ie.proto & ssid->proto)) {
e65a87b3
JM		 642 if (debug_print)
643 wpa_dbg(wpa_s, MSG_DEBUG,
644 " skip WPA IE - proto mismatch");
6fc6879b
JM		 645 break;
646 }
647
648 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 649 if (debug_print)
650 wpa_dbg(wpa_s, MSG_DEBUG,
651 " skip WPA IE - PTK cipher mismatch");
6fc6879b
JM		 652 break;
653 }
654
655 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 656 if (debug_print)
657 wpa_dbg(wpa_s, MSG_DEBUG,
658 " skip WPA IE - GTK cipher mismatch");
6fc6879b
JM		 659 break;
660 }
661
662 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 663 if (debug_print)
664 wpa_dbg(wpa_s, MSG_DEBUG,
665 " skip WPA IE - key mgmt mismatch");
6fc6879b
JM		 666 break;
667 }
668
e65a87b3
JM		 669 if (debug_print)
670 wpa_dbg(wpa_s, MSG_DEBUG,
671 " selected based on WPA IE");
6fc6879b
JM		 672 return 1;
673 }
674
a3f7e518
JM		 675 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
676 !rsn_ie) {
e65a87b3
JM		 677 if (debug_print)
678 wpa_dbg(wpa_s, MSG_DEBUG,
679 " allow for non-WPA IEEE 802.1X");
a3f7e518
JM		 680 return 1;
681 }
682
cc5e390d 683 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 684 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
e65a87b3
JM		 685 if (debug_print)
686 wpa_dbg(wpa_s, MSG_DEBUG,
687 " skip - no WPA/RSN proto match");
cc5e390d
JM		 688 return 0;
689 }
6fc6879b 690
df0f01d9
JM		 691 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
692 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
e65a87b3
JM		 693 if (debug_print)
694 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
df0f01d9
JM		 695 return 1;
696 }
697
c2f1fe41 698 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
e65a87b3
JM		 699 if (debug_print)
700 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
c2f1fe41
JM		 701 return 1;
702 }
703
e65a87b3
JM		 704 if (debug_print)
705 wpa_dbg(wpa_s, MSG_DEBUG,
706 " reject due to mismatch with WPA/WPA2");
c2f1fe41
JM		 707
708 return 0;
6fc6879b
JM		 709}
710
711
b766a9a2
JM		 712static int freq_allowed(int *freqs, int freq)
713{
714 int i;
715
716 if (freqs == NULL)
717 return 1;
718
719 for (i = 0; freqs[i]; i++)
720 if (freqs[i] == freq)
721 return 1;
722 return 0;
723}
724
725
e65a87b3
JM		 726static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
727 int debug_print)
e1e8cae3
CL		 728{
729 const struct hostapd_hw_modes *mode = NULL, *modes;
730 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
731 const u8 *rate_ie;
732 int i, j, k;
733
a6d94e1b
JM		 734 if (bss->freq == 0)
735 return 1; /* Cannot do matching without knowing band */
736
e1e8cae3
CL		 737 modes = wpa_s->hw.modes;
738 if (modes == NULL) {
739 /*
740 * The driver does not provide any additional information
741 * about the utilized hardware, so allow the connection attempt
742 * to continue.
743 */
744 return 1;
745 }
746
747 for (i = 0; i < wpa_s->hw.num_modes; i++) {
748 for (j = 0; j < modes[i].num_channels; j++) {
749 int freq = modes[i].channels[j].freq;
750 if (freq == bss->freq) {
751 if (mode &&
752 mode->mode == HOSTAPD_MODE_IEEE80211G)
753 break; /* do not allow 802.11b replace
754 * 802.11g */
755 mode = &modes[i];
756 break;
757 }
758 }
759 }
760
761 if (mode == NULL)
762 return 0;
763
764 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 765 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 766 if (rate_ie == NULL)
767 continue;
768
769 for (j = 2; j < rate_ie[1] + 2; j++) {
770 int flagged = !!(rate_ie[j] & 0x80);
771 int r = (rate_ie[j] & 0x7f) * 5;
772
773 /*
774 * IEEE Std 802.11n-2009 7.3.2.2:
775 * The new BSS Membership selector value is encoded
776 * like a legacy basic rate, but it is not a rate and
777 * only indicates if the BSS members are required to
778 * support the mandatory features of Clause 20 [HT PHY]
779 * in order to join the BSS.
780 */
781 if (flagged && ((rate_ie[j] & 0x7f) ==
782 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
783 if (!ht_supported(mode)) {
e65a87b3
JM		 784 if (debug_print)
785 wpa_dbg(wpa_s, MSG_DEBUG,
786 " hardware does not support HT PHY");
e1e8cae3
CL		 787 return 0;
788 }
789 continue;
790 }
791
c8ebeda4
MK		 792 /* There's also a VHT selector for 802.11ac */
793 if (flagged && ((rate_ie[j] & 0x7f) ==
794 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
795 if (!vht_supported(mode)) {
e65a87b3
JM		 796 if (debug_print)
797 wpa_dbg(wpa_s, MSG_DEBUG,
798 " hardware does not support VHT PHY");
c8ebeda4
MK		 799 return 0;
800 }
801 continue;
802 }
803
e1e8cae3
CL		 804 if (!flagged)
805 continue;
806
807 /* check for legacy basic rates */
808 for (k = 0; k < mode->num_rates; k++) {
809 if (mode->rates[k] == r)
810 break;
811 }
812 if (k == mode->num_rates) {
813 /*
814 * IEEE Std 802.11-2007 7.3.2.2 demands that in
815 * order to join a BSS all required rates
816 * have to be supported by the hardware.
817 */
e65a87b3
JM		 818 if (debug_print)
819 wpa_dbg(wpa_s, MSG_DEBUG,
820 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
821 r / 10, r % 10,
822 bss->freq, mode->mode, mode->num_rates);
e1e8cae3
CL		 823 return 0;
824 }
825 }
826 }
827
828 return 1;
829}
830
831
ff3ad3c5
VK		 832/*
833 * Test whether BSS is in an ESS.
834 * This is done differently in DMG (60 GHz) and non-DMG bands
835 */
836static int bss_is_ess(struct wpa_bss *bss)
837{
838 if (bss_is_dmg(bss)) {
839 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
840 IEEE80211_CAP_DMG_AP;
841 }
842
843 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
844 IEEE80211_CAP_ESS);
845}
846
847
79cd993a
ST		 848static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
849{
850 size_t i;
851
852 for (i = 0; i < ETH_ALEN; i++) {
853 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
854 return 0;
855 }
856 return 1;
857}
858
859
b83e4554
ST		 860static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
861{
862 size_t i;
863
864 for (i = 0; i < num; i++) {
79cd993a
ST		 865 const u8 *a = list + i * ETH_ALEN * 2;
866 const u8 *m = a + ETH_ALEN;
b83e4554 867
79cd993a 868 if (match_mac_mask(a, addr, m))
b83e4554
ST		 869 return 1;
870 }
871 return 0;
872}
873
874
84d1c0fd
AS		 875struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
876 int i, struct wpa_bss *bss,
877 struct wpa_ssid *group,
e65a87b3 878 int only_first_ssid, int debug_print)
6fc6879b 879{
620c7837 880 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 881 int wpa;
6fc6879b
JM		 882 struct wpa_blacklist *e;
883 const u8 *ie;
d8d940b7 884 struct wpa_ssid *ssid;
df0f01d9 885 int osen;
cb06cf34
DS		 886#ifdef CONFIG_MBO
887 const u8 *assoc_disallow;
888#endif /* CONFIG_MBO */
6fc6879b 889
620c7837 890 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 891 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 892
620c7837 893 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 894 rsn_ie_len = ie ? ie[1] : 0;
6fc6879b 895
df0f01d9
JM		 896 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
897 osen = ie != NULL;
898
e65a87b3
JM		 899 if (debug_print) {
900 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
901 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
902 i, MAC2STR(bss->bssid),
903 wpa_ssid_txt(bss->ssid, bss->ssid_len),
904 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
905 bss->freq,
906 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
907 " wps" : "",
908 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
909 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
910 ? " p2p" : "",
911 osen ? " osen=1" : "");
912 }
9cf32261 913
d8d940b7 914 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 915 if (e) {
916 int limit = 1;
349493bd 917 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 918 /*
919 * When only a single network is enabled, we can
920 * trigger blacklisting on the first failure. This
921 * should not be done with multiple enabled networks to
922 * avoid getting forced to move into a worse ESS on
923 * single error if there are no other BSSes of the
924 * current ESS.
925 */
926 limit = 0;
927 }
928 if (e->count > limit) {
e65a87b3
JM		 929 if (debug_print) {
930 wpa_dbg(wpa_s, MSG_DEBUG,
931 " skip - blacklisted (count=%d limit=%d)",
932 e->count, limit);
933 }
c2197bc9 934 return NULL;
5471c343 935 }
d8d940b7 936 }
6fc6879b 937
620c7837 938 if (bss->ssid_len == 0) {
e65a87b3
JM		 939 if (debug_print)
940 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 941 return NULL;
d8d940b7 942 }
e81634cd 943
6407f413 944 if (disallowed_bssid(wpa_s, bss->bssid)) {
e65a87b3
JM		 945 if (debug_print)
946 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
6407f413
JM		 947 return NULL;
948 }
949
950 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
e65a87b3
JM		 951 if (debug_print)
952 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
6407f413
JM		 953 return NULL;
954 }
955
d8d940b7 956 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 957
3d910ef4 958 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
d8d940b7 959 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 960 int res;
ad08c363 961
349493bd 962 if (wpas_network_disabled(wpa_s, ssid)) {
e65a87b3
JM		 963 if (debug_print)
964 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 965 continue;
d8d940b7 966 }
9cf32261 967
00e5e3d5
JM		 968 res = wpas_temp_disabled(wpa_s, ssid);
969 if (res > 0) {
e65a87b3
JM		 970 if (debug_print)
971 wpa_dbg(wpa_s, MSG_DEBUG,
972 " skip - disabled temporarily for %d second(s)",
973 res);
00e5e3d5
JM		 974 continue;
975 }
976
ad08c363 977#ifdef CONFIG_WPS
f648bc7d 978 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
e65a87b3
JM		 979 if (debug_print)
980 wpa_dbg(wpa_s, MSG_DEBUG,
981 " skip - blacklisted (WPS)");
f648bc7d
JM		 982 continue;
983 }
984
d8d940b7
JM		 985 if (wpa && ssid->ssid_len == 0 &&
986 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
987 check_ssid = 0;
988
989 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
990 /* Only allow wildcard SSID match if an AP
991 * advertises active WPS operation that matches
992 * with our mode. */
993 check_ssid = 1;
ad08c363 994 if (ssid->ssid_len == 0 &&
a6099152 995 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 996 check_ssid = 0;
d8d940b7 997 }
ad08c363
JM		 998#endif /* CONFIG_WPS */
999
7d232e23
ZC		 1000 if (ssid->bssid_set && ssid->ssid_len == 0 &&
1001 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
1002 check_ssid = 0;
1003
d8d940b7 1004 if (check_ssid &&
620c7837
JM		 1005 (bss->ssid_len != ssid->ssid_len ||
1006 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
e65a87b3
JM		 1007 if (debug_print)
1008 wpa_dbg(wpa_s, MSG_DEBUG,
1009 " skip - SSID mismatch");
0c703df3 1010 continue;
6fc6879b 1011 }
6fc6879b 1012
d8d940b7
JM		 1013 if (ssid->bssid_set &&
1014 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
e65a87b3
JM		 1015 if (debug_print)
1016 wpa_dbg(wpa_s, MSG_DEBUG,
1017 " skip - BSSID mismatch");
0c703df3 1018 continue;
d8d940b7 1019 }
6fc6879b 1020
b83e4554
ST		 1021 /* check blacklist */
1022 if (ssid->num_bssid_blacklist &&
1023 addr_in_list(bss->bssid, ssid->bssid_blacklist,
1024 ssid->num_bssid_blacklist)) {
e65a87b3
JM		 1025 if (debug_print)
1026 wpa_dbg(wpa_s, MSG_DEBUG,
1027 " skip - BSSID blacklisted");
b83e4554
ST		 1028 continue;
1029 }
1030
1031 /* if there is a whitelist, only accept those APs */
1032 if (ssid->num_bssid_whitelist &&
1033 !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1034 ssid->num_bssid_whitelist)) {
e65a87b3
JM		 1035 if (debug_print)
1036 wpa_dbg(wpa_s, MSG_DEBUG,
1037 " skip - BSSID not in whitelist");
b83e4554
ST		 1038 continue;
1039 }
1040
e65a87b3
JM		 1041 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1042 debug_print))
0c703df3 1043 continue;
9cf32261 1044
df0f01d9 1045 if (!osen && !wpa &&
d8d940b7
JM		 1046 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1047 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1048 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
e65a87b3
JM		 1049 if (debug_print)
1050 wpa_dbg(wpa_s, MSG_DEBUG,
1051 " skip - non-WPA network not allowed");
0c703df3 1052 continue;
6fc6879b 1053 }
9cf32261 1054
86bd1410
JM		 1055 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1056 has_wep_key(ssid)) {
e65a87b3
JM		 1057 if (debug_print)
1058 wpa_dbg(wpa_s, MSG_DEBUG,
1059 " skip - ignore WPA/WPA2 AP for WEP network block");
86bd1410
JM		 1060 continue;
1061 }
1062
df0f01d9 1063 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen) {
e65a87b3
JM		 1064 if (debug_print)
1065 wpa_dbg(wpa_s, MSG_DEBUG,
1066 " skip - non-OSEN network not allowed");
df0f01d9
JM		 1067 continue;
1068 }
1069
29fbc522 1070 if (!wpa_supplicant_match_privacy(bss, ssid)) {
e65a87b3
JM		 1071 if (debug_print)
1072 wpa_dbg(wpa_s, MSG_DEBUG,
1073 " skip - privacy mismatch");
0c703df3 1074 continue;
e81634cd
JM		 1075 }
1076
70351623
MH		 1077 if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) &&
1078 !bss_is_pbss(bss)) {
e65a87b3
JM		 1079 if (debug_print)
1080 wpa_dbg(wpa_s, MSG_DEBUG,
1081 " skip - not ESS, PBSS, or MBSS");
b9074912
LD		 1082 continue;
1083 }
1084
90f14962 1085 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
e65a87b3
JM		 1086 if (debug_print)
1087 wpa_dbg(wpa_s, MSG_DEBUG,
1088 " skip - PBSS mismatch (ssid %d bss %d)",
1089 ssid->pbss, bss_is_pbss(bss));
0c703df3 1090 continue;
d8d940b7 1091 }
b766a9a2 1092
d8d940b7 1093 if (!freq_allowed(ssid->freq_list, bss->freq)) {
e65a87b3
JM		 1094 if (debug_print)
1095 wpa_dbg(wpa_s, MSG_DEBUG,
1096 " skip - frequency not allowed");
0c703df3 1097 continue;
6fc6879b 1098 }
d8d940b7 1099
fac72f93
MH		 1100#ifdef CONFIG_MESH
1101 if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 &&
1102 ssid->frequency != bss->freq) {
e65a87b3
JM		 1103 if (debug_print)
1104 wpa_dbg(wpa_s, MSG_DEBUG,
1105 " skip - frequency not allowed (mesh)");
fac72f93
MH		 1106 continue;
1107 }
1108#endif /* CONFIG_MESH */
1109
e65a87b3
JM		 1110 if (!rate_match(wpa_s, bss, debug_print)) {
1111 if (debug_print)
1112 wpa_dbg(wpa_s, MSG_DEBUG,
1113 " skip - rate sets do not match");
e1e8cae3
CL		 1114 continue;
1115 }
1116
81a10a94
JM		 1117#ifndef CONFIG_IBSS_RSN
1118 if (ssid->mode == WPAS_MODE_IBSS &&
1119 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1120 WPA_KEY_MGMT_WPA_NONE))) {
e65a87b3
JM		 1121 if (debug_print)
1122 wpa_dbg(wpa_s, MSG_DEBUG,
1123 " skip - IBSS RSN not supported in the build");
81a10a94
JM		 1124 continue;
1125 }
1126#endif /* !CONFIG_IBSS_RSN */
1127
73e49269 1128#ifdef CONFIG_P2P
b72e14e5
JM		 1129 if (ssid->p2p_group &&
1130 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1131 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
e65a87b3
JM		 1132 if (debug_print)
1133 wpa_dbg(wpa_s, MSG_DEBUG,
1134 " skip - no P2P IE seen");
b72e14e5
JM		 1135 continue;
1136 }
1137
9ec87666
JM		 1138 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1139 struct wpabuf *p2p_ie;
1140 u8 dev_addr[ETH_ALEN];
1141
1142 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1143 if (ie == NULL) {
e65a87b3
JM		 1144 if (debug_print)
1145 wpa_dbg(wpa_s, MSG_DEBUG,
1146 " skip - no P2P element");
9ec87666
JM		 1147 continue;
1148 }
1149 p2p_ie = wpa_bss_get_vendor_ie_multi(
1150 bss, P2P_IE_VENDOR_TYPE);
1151 if (p2p_ie == NULL) {
e65a87b3
JM		 1152 if (debug_print)
1153 wpa_dbg(wpa_s, MSG_DEBUG,
1154 " skip - could not fetch P2P element");
9ec87666
JM		 1155 continue;
1156 }
1157
1158 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1159 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1160 ETH_ALEN) != 0) {
e65a87b3
JM		 1161 if (debug_print)
1162 wpa_dbg(wpa_s, MSG_DEBUG,
1163 " skip - no matching GO P2P Device Address in P2P element");
9ec87666
JM		 1164 wpabuf_free(p2p_ie);
1165 continue;
1166 }
1167 wpabuf_free(p2p_ie);
1168 }
1169
73e49269
JM		 1170 /*
1171 * TODO: skip the AP if its P2P IE has Group Formation
1172 * bit set in the P2P Group Capability Bitmap and we
1173 * are not in Group Formation with that device.
1174 */
1175#endif /* CONFIG_P2P */
1176
dfaf11d6
JM		 1177 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1178 {
1179 struct os_reltime diff;
1180
1181 os_reltime_sub(&wpa_s->scan_min_time,
1182 &bss->last_update, &diff);
e65a87b3
JM		 1183 if (debug_print)
1184 wpa_dbg(wpa_s, MSG_DEBUG,
1185 " skip - scan result not recent enough (%u.%06u seconds too old)",
dfaf11d6
JM		 1186 (unsigned int) diff.sec,
1187 (unsigned int) diff.usec);
1188 continue;
1189 }
cb06cf34 1190#ifdef CONFIG_MBO
6ad37d73 1191#ifdef CONFIG_TESTING_OPTIONS
1192 if (wpa_s->ignore_assoc_disallow)
1193 goto skip_assoc_disallow;
1194#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34
DS		 1195 assoc_disallow = wpas_mbo_get_bss_attr(
1196 bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1197 if (assoc_disallow && assoc_disallow[1] >= 1) {
e65a87b3
JM		 1198 if (debug_print)
1199 wpa_dbg(wpa_s, MSG_DEBUG,
1200 " skip - MBO association disallowed (reason %u)",
cb06cf34
DS		 1201 assoc_disallow[2]);
1202 continue;
1203 }
dd599908
AS		 1204
1205 if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) {
e65a87b3
JM		 1206 if (debug_print)
1207 wpa_dbg(wpa_s, MSG_DEBUG,
1208 " skip - MBO retry delay has not passed yet");
dd599908
AS		 1209 continue;
1210 }
6ad37d73 1211#ifdef CONFIG_TESTING_OPTIONS
1212 skip_assoc_disallow:
1213#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34 1214#endif /* CONFIG_MBO */
dfaf11d6 1215
567da5bb
JM		 1216#ifdef CONFIG_DPP
1217 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
a0d5c56f
JM		 1218 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) &&
1219 (!ssid->dpp_connector ||
1220 !ssid->dpp_netaccesskey ||
1221 !ssid->dpp_csign)) {
567da5bb
JM		 1222 if (debug_print)
1223 wpa_dbg(wpa_s, MSG_DEBUG,
1224 " skip - no PMKSA entry for DPP");
1225 continue;
1226 }
1227#endif /* CONFIG_DPP */
1228
d8d940b7
JM		 1229 /* Matching configuration found */
1230 return ssid;
6fc6879b
JM		 1231 }
1232
d8d940b7 1233 /* No matching configuration found */
c2197bc9 1234 return NULL;
9cf32261
JM		 1235}
1236
1237
6fa81a3b 1238static struct wpa_bss *
a1fd2ce5 1239wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 1240 struct wpa_ssid *group,
3d910ef4
JM		 1241 struct wpa_ssid **selected_ssid,
1242 int only_first_ssid)
9cf32261 1243{
620c7837 1244 unsigned int i;
9cf32261 1245
e65a87b3
JM		 1246 if (wpa_s->current_ssid) {
1247 struct wpa_ssid *ssid;
1248
1249 wpa_dbg(wpa_s, MSG_DEBUG,
1250 "Scan results matching the currently selected network");
1251 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1252 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1253
1254 ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1255 only_first_ssid, 0);
1256 if (ssid != wpa_s->current_ssid)
1257 continue;
1258 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1259 " freq=%d level=%d snr=%d est_throughput=%u",
1260 i, MAC2STR(bss->bssid), bss->freq, bss->level,
1261 bss->snr, bss->est_throughput);
1262 }
1263 }
1264
3d910ef4
JM		 1265 if (only_first_ssid)
1266 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1267 group->id);
1268 else
1269 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1270 group->priority);
9cf32261 1271
620c7837
JM		 1272 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1273 struct wpa_bss *bss = wpa_s->last_scan_res[i];
3d910ef4 1274 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
e65a87b3 1275 only_first_ssid, 1);
d8d940b7
JM		 1276 if (!*selected_ssid)
1277 continue;
f049052b
BG		 1278 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
1279 " ssid='%s'",
620c7837
JM		 1280 MAC2STR(bss->bssid),
1281 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1282 return bss;
d8d940b7
JM		 1283 }
1284
1285 return NULL;
6fc6879b
JM		 1286}
1287
1288
97236cee
MH		 1289struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1290 struct wpa_ssid **selected_ssid)
6fc6879b 1291{
6fa81a3b 1292 struct wpa_bss *selected = NULL;
09b9df4e 1293 int prio;
7c373ac2 1294 struct wpa_ssid *next_ssid = NULL;
a52410c2 1295 struct wpa_ssid *ssid;
09b9df4e 1296
620c7837
JM		 1297 if (wpa_s->last_scan_res == NULL ||
1298 wpa_s->last_scan_res_used == 0)
1299 return NULL; /* no scan results from last update */
1300
7c373ac2 1301 if (wpa_s->next_ssid) {
7c373ac2
JM		 1302 /* check that next_ssid is still valid */
1303 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1304 if (ssid == wpa_s->next_ssid)
1305 break;
1306 }
1307 next_ssid = ssid;
1308 wpa_s->next_ssid = NULL;
1309 }
3d910ef4 1310
7c373ac2
JM		 1311 while (selected == NULL) {
1312 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1313 if (next_ssid && next_ssid->priority ==
1314 wpa_s->conf->pssid[prio]->priority) {
3d910ef4 1315 selected = wpa_supplicant_select_bss(
7c373ac2 1316 wpa_s, next_ssid, selected_ssid, 1);
3d910ef4
JM		 1317 if (selected)
1318 break;
1319 }
09b9df4e 1320 selected = wpa_supplicant_select_bss(
620c7837 1321 wpa_s, wpa_s->conf->pssid[prio],
3d910ef4 1322 selected_ssid, 0);
09b9df4e
JM		 1323 if (selected)
1324 break;
1325 }
1326
8945cc45
BM		 1327 if (selected == NULL && wpa_s->blacklist &&
1328 !wpa_s->countermeasures) {
f049052b
BG		 1329 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1330 "blacklist and try again");
09b9df4e
JM		 1331 wpa_blacklist_clear(wpa_s);
1332 wpa_s->blacklist_cleared++;
1333 } else if (selected == NULL)
1334 break;
1335 }
1336
a52410c2
JM		 1337 ssid = *selected_ssid;
1338 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1339 !ssid->passphrase && !ssid->ext_psk) {
1340 const char *field_name, *txt = NULL;
1341
1342 wpa_dbg(wpa_s, MSG_DEBUG,
1343 "PSK/passphrase not yet available for the selected network");
1344
1345 wpas_notify_network_request(wpa_s, ssid,
1346 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1347
1348 field_name = wpa_supplicant_ctrl_req_to_string(
1349 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1350 if (field_name == NULL)
1351 return NULL;
1352
1353 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1354
1355 selected = NULL;
1356 }
1357
09b9df4e
JM		 1358 return selected;
1359}
1360
1361
1362static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 1363 int timeout_sec, int timeout_usec)
09b9df4e 1364{
349493bd 1365 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 1366 /*
1367 * No networks are enabled; short-circuit request so
1368 * we don't wait timeout seconds before transitioning
1369 * to INACTIVE state.
1370 */
ac06fb12
JM		 1371 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1372 "since there are no enabled networks");
4f34d51a
SL		 1373 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1374 return;
09b9df4e 1375 }
5cc70322
JM		 1376
1377 wpa_s->scan_for_connection = 1;
977b1174 1378 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 1379}
1380
1381
5cbd88d9
JJ		 1382int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1383 struct wpa_bss *selected,
1384 struct wpa_ssid *ssid)
09b9df4e
JM		 1385{
1386 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1387 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1388 "PBC session overlap");
1a2f7ca1 1389 wpas_notify_wps_event_pbc_overlap(wpa_s);
b73bf0a7 1390#ifdef CONFIG_P2P
ace0fbdb
AS		 1391 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1392 wpa_s->p2p_in_provisioning) {
1393 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1394 wpa_s, NULL);
5cbd88d9 1395 return -1;
ace0fbdb 1396 }
b73bf0a7 1397#endif /* CONFIG_P2P */
199716ad
BG		 1398
1399#ifdef CONFIG_WPS
0a7b2a02 1400 wpas_wps_pbc_overlap(wpa_s);
7736f18b 1401 wpas_wps_cancel(wpa_s);
199716ad 1402#endif /* CONFIG_WPS */
5cbd88d9 1403 return -1;
09b9df4e
JM		 1404 }
1405
b0680017
JM		 1406 wpa_msg(wpa_s, MSG_DEBUG,
1407 "Considering connect request: reassociate: %d selected: "
1408 MACSTR " bssid: " MACSTR " pending: " MACSTR
1409 " wpa_state: %s ssid=%p current_ssid=%p",
1410 wpa_s->reassociate, MAC2STR(selected->bssid),
1411 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1412 wpa_supplicant_state_txt(wpa_s->wpa_state),
1413 ssid, wpa_s->current_ssid);
1414
09b9df4e
JM		 1415 /*
1416 * Do not trigger new association unless the BSSID has changed or if
1417 * reassociation is requested. If we are in process of associating with
1418 * the selected BSSID, do not trigger new attempt.
1419 */
1420 if (wpa_s->reassociate ||
1421 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 1422 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1423 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 1424 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1425 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1426 0) ||
1427 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1428 ssid != wpa_s->current_ssid)))) {
09b9df4e 1429 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 1430 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 1431 return 0;
09b9df4e 1432 }
b0680017
JM		 1433 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1434 MAC2STR(selected->bssid));
09b9df4e
JM		 1435 wpa_supplicant_associate(wpa_s, selected, ssid);
1436 } else {
b0680017
JM		 1437 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1438 "connect with the selected AP");
09b9df4e 1439 }
5cbd88d9
JJ		 1440
1441 return 0;
09b9df4e
JM		 1442}
1443
1444
b55aaa5f
JM		 1445static struct wpa_ssid *
1446wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1447{
1448 int prio;
1449 struct wpa_ssid *ssid;
1450
1451 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1452 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1453 {
349493bd 1454 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f 1455 continue;
81a10a94
JM		 1456#ifndef CONFIG_IBSS_RSN
1457 if (ssid->mode == WPAS_MODE_IBSS &&
1458 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1459 WPA_KEY_MGMT_WPA_NONE))) {
1460 wpa_msg(wpa_s, MSG_INFO,
1461 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1462 wpa_ssid_txt(ssid->ssid,
1463 ssid->ssid_len));
1464 continue;
1465 }
1466#endif /* !CONFIG_IBSS_RSN */
b55aaa5f 1467 if (ssid->mode == IEEE80211_MODE_IBSS ||
476e6bb6
TP		 1468 ssid->mode == IEEE80211_MODE_AP ||
1469 ssid->mode == IEEE80211_MODE_MESH)
b55aaa5f
JM		 1470 return ssid;
1471 }
1472 }
1473 return NULL;
1474}
1475
1476
a1fd2ce5
JM		 1477/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1478 * on BSS added and BSS changed events */
6ae93185 1479static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 1480 struct wpa_supplicant *wpa_s)
6ae93185 1481{
6d28fb96 1482 struct wpa_bss *bss;
6ae93185
JM		 1483
1484 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1485 return;
1486
6d28fb96 1487 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1488 const u8 *ssid, *rsn;
6ae93185 1489
6d28fb96 1490 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1491 if (ssid == NULL)
1492 continue;
1493
6d28fb96 1494 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1495 if (rsn == NULL)
1496 continue;
1497
6d28fb96 1498 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1499 }
1500
1501}
1502
1503
48563d86
JM		 1504static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1505 struct wpa_bss *selected,
20ed5e40 1506 struct wpa_ssid *ssid)
48563d86 1507{
20ed5e40 1508 struct wpa_bss *current_bss = NULL;
ce18c107 1509#ifndef CONFIG_NO_ROAMING
8d1e6931 1510 int min_diff, diff;
954e10e4 1511 int to_5ghz;
8d1e6931 1512 int cur_est, sel_est;
ce18c107 1513#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1514
1515 if (wpa_s->reassociate)
1516 return 1; /* explicit request to reassociate */
1517 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1518 return 1; /* we are not associated; continue */
1519 if (wpa_s->current_ssid == NULL)
1520 return 1; /* unknown current SSID */
1521 if (wpa_s->current_ssid != ssid)
1522 return 1; /* different network block */
1523
22628eca
JM		 1524 if (wpas_driver_bss_selection(wpa_s))
1525 return 0; /* Driver-based roaming */
1526
20ed5e40
JM		 1527 if (wpa_s->current_ssid->ssid)
1528 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1529 wpa_s->current_ssid->ssid,
1530 wpa_s->current_ssid->ssid_len);
1531 if (!current_bss)
1532 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1533
1534 if (!current_bss)
1535 return 1; /* current BSS not seen in scan results */
1536
20ed5e40
JM		 1537 if (current_bss == selected)
1538 return 0;
1539
1540 if (selected->last_update_idx > current_bss->last_update_idx)
1541 return 1; /* current BSS not seen in the last scan */
1542
e9af53ad 1543#ifndef CONFIG_NO_ROAMING
f049052b 1544 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
0d2030ee 1545 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
8d1e6931
JM		 1546 " freq=%d level=%d snr=%d est_throughput=%u",
1547 MAC2STR(current_bss->bssid),
1548 current_bss->freq, current_bss->level,
0d2030ee
JM		 1549 current_bss->snr, current_bss->est_throughput);
1550 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
8d1e6931
JM		 1551 " freq=%d level=%d snr=%d est_throughput=%u",
1552 MAC2STR(selected->bssid), selected->freq, selected->level,
0d2030ee 1553 selected->snr, selected->est_throughput);
48563d86 1554
ac26ebd8
JM		 1555 if (wpa_s->current_ssid->bssid_set &&
1556 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1557 0) {
f049052b
BG		 1558 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1559 "has preferred BSSID");
ac26ebd8
JM		 1560 return 1;
1561 }
1562
0d2030ee
JM		 1563 if (selected->est_throughput > current_bss->est_throughput + 5000) {
1564 wpa_dbg(wpa_s, MSG_DEBUG,
1565 "Allow reassociation - selected BSS has better estimated throughput");
1566 return 1;
1567 }
1568
954e10e4
JM		 1569 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1570
1571 if (current_bss->level < 0 &&
1572 current_bss->level > selected->level + to_5ghz * 2) {
bff954e9
RS		 1573 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1574 "signal level");
1575 return 0;
1576 }
1577
8d1e6931
JM		 1578 if (current_bss->est_throughput > selected->est_throughput + 5000) {
1579 wpa_dbg(wpa_s, MSG_DEBUG,
1580 "Skip roam - Current BSS has better estimated throughput");
bcf66493 1581 return 0;
8d1e6931
JM		 1582 }
1583
1584 cur_est = current_bss->est_throughput;
1585 sel_est = selected->est_throughput;
48563d86
JM		 1586 min_diff = 2;
1587 if (current_bss->level < 0) {
1588 if (current_bss->level < -85)
1589 min_diff = 1;
1590 else if (current_bss->level < -80)
1591 min_diff = 2;
1592 else if (current_bss->level < -75)
1593 min_diff = 3;
1594 else if (current_bss->level < -70)
1595 min_diff = 4;
1596 else
1597 min_diff = 5;
8d1e6931
JM		 1598 if (cur_est > sel_est * 1.5)
1599 min_diff += 10;
1600 else if (cur_est > sel_est * 1.2)
1601 min_diff += 5;
1602 else if (cur_est > sel_est * 1.1)
1603 min_diff += 2;
1604 else if (cur_est > sel_est)
1605 min_diff++;
48563d86 1606 }
954e10e4 1607 if (to_5ghz) {
8d1e6931
JM		 1608 int reduce = 2;
1609
954e10e4 1610 /* Make it easier to move to 5 GHz band */
8d1e6931
JM		 1611 if (sel_est > cur_est * 1.5)
1612 reduce = 5;
1613 else if (sel_est > cur_est * 1.2)
1614 reduce = 4;
1615 else if (sel_est > cur_est * 1.1)
1616 reduce = 3;
1617
1618 if (min_diff > reduce)
1619 min_diff -= reduce;
954e10e4
JM		 1620 else
1621 min_diff = 0;
1622 }
8d1e6931
JM		 1623 diff = abs(current_bss->level - selected->level);
1624 if (diff < min_diff) {
1625 wpa_dbg(wpa_s, MSG_DEBUG,
1626 "Skip roam - too small difference in signal level (%d < %d)",
1627 diff, min_diff);
48563d86
JM		 1628 return 0;
1629 }
1630
8d1e6931
JM		 1631 wpa_dbg(wpa_s, MSG_DEBUG,
1632 "Allow reassociation due to difference in signal level (%d >= %d)",
1633 diff, min_diff);
48563d86 1634 return 1;
e9af53ad
DS		 1635#else /* CONFIG_NO_ROAMING */
1636 return 0;
1637#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1638}
1639
cd2f4ddf 1640
e3e2fe3a
AS		 1641/*
1642 * Return a negative value if no scan results could be fetched or if scan
1643 * results should not be shared with other virtual interfaces.
1644 * Return 0 if scan results were fetched and may be shared with other
1645 * interfaces.
1646 * Return 1 if scan results may be shared with other virtual interfaces but may
1647 * not trigger any operations.
1648 * Return 2 if the interface was removed and cannot be used.
1649 */
e1504976 1650static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50 1651 union wpa_event_data *data,
e3e2fe3a 1652 int own_request, int update_only)
09b9df4e 1653{
d12a51b5
JM		 1654 struct wpa_scan_results *scan_res = NULL;
1655 int ret = 0;
5bc0cdb7 1656 int ap = 0;
7b1aa4fe
JM		 1657#ifndef CONFIG_NO_RANDOM_POOL
1658 size_t i, num;
1659#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1660
1661#ifdef CONFIG_AP
1662 if (wpa_s->ap_iface)
1663 ap = 1;
1664#endif /* CONFIG_AP */
6fc6879b 1665
cb8564b1
DW		 1666 wpa_supplicant_notify_scanning(wpa_s, 0);
1667
a1fd2ce5
JM		 1668 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1669 data ? &data->scan_info :
1670 NULL, 1);
1671 if (scan_res == NULL) {
66fe0f70
DS		 1672 if (wpa_s->conf->ap_scan == 2 || ap ||
1673 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1674 return -1;
cfd31b50
JM		 1675 if (!own_request)
1676 return -1;
adcd7c4b
KV		 1677 if (data && data->scan_info.external_scan)
1678 return -1;
f049052b
BG		 1679 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1680 "scanning again");
977b1174 1681 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
d12a51b5
JM		 1682 ret = -1;
1683 goto scan_work_done;
6fc6879b
JM		 1684 }
1685
bbb921da 1686#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1687 num = scan_res->num;
1688 if (num > 10)
1689 num = 10;
1690 for (i = 0; i < num; i++) {
1691 u8 buf[5];
1692 struct wpa_scan_res *res = scan_res->res[i];
1693 buf[0] = res->bssid[5];
1694 buf[1] = res->qual & 0xff;
1695 buf[2] = res->noise & 0xff;
1696 buf[3] = res->level & 0xff;
1697 buf[4] = res->tsf & 0xff;
1698 random_add_randomness(buf, sizeof(buf));
1699 }
1700#endif /* CONFIG_NO_RANDOM_POOL */
1701
e3e2fe3a
AS		 1702 if (update_only) {
1703 ret = 1;
1704 goto scan_work_done;
1705 }
1706
06f9acce 1707 if (own_request && wpa_s->scan_res_handler &&
adcd7c4b 1708 !(data && data->scan_info.external_scan)) {
860fddbb
JB		 1709 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1710 struct wpa_scan_results *scan_res);
1711
1712 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1713 wpa_s->scan_res_handler = NULL;
860fddbb 1714 scan_res_handler(wpa_s, scan_res);
e3e2fe3a 1715 ret = 1;
d12a51b5 1716 goto scan_work_done;
64e58f51
JM		 1717 }
1718
5bc0cdb7 1719 if (ap) {
f049052b 1720 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1721#ifdef CONFIG_AP
1722 if (wpa_s->ap_iface->scan_cb)
1723 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1724#endif /* CONFIG_AP */
d12a51b5 1725 goto scan_work_done;
5bc0cdb7
JM		 1726 }
1727
a5f40eff 1728 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
adcd7c4b
KV		 1729 wpa_s->own_scan_running,
1730 data ? data->scan_info.external_scan : 0);
d81c73be 1731 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
adcd7c4b
KV		 1732 wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1733 own_request && !(data && data->scan_info.external_scan)) {
d81c73be
JM		 1734 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1735 wpa_s->manual_scan_id);
1736 wpa_s->manual_scan_use_id = 0;
1737 } else {
1738 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1739 }
24f76940 1740 wpas_notify_scan_results(wpa_s);
6fc6879b 1741
8bac466b
JM		 1742 wpas_notify_scan_done(wpa_s, 1);
1743
adcd7c4b 1744 if (data && data->scan_info.external_scan) {
015af91f
JM		 1745 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1746 wpa_scan_results_free(scan_res);
1747 return 0;
1748 }
1749
75d65857 1750 if (wnm_scan_process(wpa_s, 1) > 0)
d0b9ab69
JM		 1751 goto scan_work_done;
1752
d12a51b5
JM		 1753 if (sme_proc_obss_scan(wpa_s) > 0)
1754 goto scan_work_done;
c3701c66 1755
76196ddb
AS		 1756 if (own_request &&
1757 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
1758 goto scan_work_done;
1759
d12a51b5
JM		 1760 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1761 goto scan_work_done;
6fc6879b 1762
d12a51b5
JM		 1763 if (autoscan_notify_scan(wpa_s, scan_res))
1764 goto scan_work_done;
7c865c68 1765
3180d7a2
SO		 1766 if (wpa_s->disconnected) {
1767 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
d12a51b5 1768 goto scan_work_done;
3180d7a2
SO		 1769 }
1770
22628eca 1771 if (!wpas_driver_bss_selection(wpa_s) &&
d12a51b5
JM		 1772 bgscan_notify_scan(wpa_s, scan_res) == 1)
1773 goto scan_work_done;
a1fd2ce5 1774
f9f0526b
JM		 1775 wpas_wps_update_ap_info(wpa_s, scan_res);
1776
706e11a4
AN		 1777 if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1778 wpa_s->wpa_state < WPA_COMPLETED)
1779 goto scan_work_done;
1780
20ed5e40
JM		 1781 wpa_scan_results_free(scan_res);
1782
adcd7c4b 1783 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1784 struct wpa_radio_work *work = wpa_s->scan_work;
1785 wpa_s->scan_work = NULL;
1786 radio_work_done(work);
1787 }
1788
cc4952ad 1789 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
d12a51b5
JM		 1790
1791scan_work_done:
1792 wpa_scan_results_free(scan_res);
adcd7c4b 1793 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1794 struct wpa_radio_work *work = wpa_s->scan_work;
1795 wpa_s->scan_work = NULL;
1796 radio_work_done(work);
1797 }
1798 return ret;
a594e2a9
JM		 1799}
1800
1801
06b7f58d 1802static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 1803 int new_scan, int own_request)
a594e2a9
JM		 1804{
1805 struct wpa_bss *selected;
1806 struct wpa_ssid *ssid = NULL;
9bd566a3
AS		 1807 int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1808
1809 if (time_to_reenable > 0) {
1810 wpa_dbg(wpa_s, MSG_DEBUG,
1811 "Postpone network selection by %d seconds since all networks are disabled",
1812 time_to_reenable);
1813 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1814 eloop_register_timeout(time_to_reenable, 0,
1815 wpas_network_reenabled, wpa_s, NULL);
1816 return 0;
1817 }
a594e2a9 1818
44b9ea5b
JM		 1819 if (wpa_s->p2p_mgmt)
1820 return 0; /* no normal connection on p2p_mgmt interface */
1821
620c7837
JM		 1822 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1823
70351623
MH		 1824#ifdef CONFIG_MESH
1825 if (wpa_s->ifmsh) {
1826 wpa_msg(wpa_s, MSG_INFO,
1827 "Avoiding join because we already joined a mesh group");
1828 return 0;
1829 }
1830#endif /* CONFIG_MESH */
1831
6fc6879b 1832 if (selected) {
48563d86 1833 int skip;
20ed5e40 1834 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1835 if (skip) {
06b7f58d
JM		 1836 if (new_scan)
1837 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1838 return 0;
1bbff09e 1839 }
5cbd88d9 1840
0e6a2cf2
AB		 1841 if (ssid != wpa_s->current_ssid &&
1842 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1843 wpa_s->own_disconnect_req = 1;
1844 wpa_supplicant_deauthenticate(
1845 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1846 }
1847
5cbd88d9
JJ		 1848 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1849 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1850 return -1;
1851 }
06b7f58d
JM		 1852 if (new_scan)
1853 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313 1854 /*
e3e2fe3a
AS		 1855 * Do not allow other virtual radios to trigger operations based
1856 * on these scan results since we do not want them to start
1857 * other associations at the same time.
0dd54313
JM		 1858 */
1859 return 1;
6fc6879b 1860 } else {
f049052b 1861 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 1862 ssid = wpa_supplicant_pick_new_network(wpa_s);
1863 if (ssid) {
f049052b 1864 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 1865 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 1866 if (new_scan)
1867 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
cc4952ad
JJ		 1868 } else if (own_request) {
1869 /*
1870 * No SSID found. If SCAN results are as a result of
1871 * own scan request and not due to a scan request on
1872 * another shared interface, try another scan.
1873 */
67b9bd08 1874 int timeout_sec = wpa_s->scan_interval;
977b1174 1875 int timeout_usec = 0;
0817de90 1876#ifdef CONFIG_P2P
b0e669be
JM		 1877 int res;
1878
1879 res = wpas_p2p_scan_no_go_seen(wpa_s);
1880 if (res == 2)
1881 return 2;
1882 if (res == 1)
aa9bb764
JM		 1883 return 0;
1884
6fc48481 1885 if (wpa_s->p2p_in_provisioning ||
41d5ce9e
RR		 1886 wpa_s->show_group_started ||
1887 wpa_s->p2p_in_invitation) {
0817de90
JM		 1888 /*
1889 * Use shorter wait during P2P Provisioning
6fc48481
RR		 1890 * state and during P2P join-a-group operation
1891 * to speed up group formation.
0817de90
JM		 1892 */
1893 timeout_sec = 0;
1894 timeout_usec = 250000;
a4cba8f1
LC		 1895 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1896 timeout_usec);
1897 return 0;
0817de90
JM		 1898 }
1899#endif /* CONFIG_P2P */
4d5bda5f
JM		 1900#ifdef CONFIG_INTERWORKING
1901 if (wpa_s->conf->auto_interworking &&
1902 wpa_s->conf->interworking &&
1903 wpa_s->conf->cred) {
1904 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1905 "start ANQP fetch since no matching "
1906 "networks found");
1907 wpa_s->network_select = 1;
1908 wpa_s->auto_network_select = 1;
1909 interworking_start_fetch_anqp(wpa_s);
0dd54313 1910 return 1;
4d5bda5f
JM		 1911 }
1912#endif /* CONFIG_INTERWORKING */
662b40b1 1913#ifdef CONFIG_WPS
538d6f4b 1914 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
662b40b1
JM		 1915 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1916 timeout_sec = 0;
1917 timeout_usec = 500000;
1918 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1919 timeout_usec);
1920 return 0;
1921 }
1922#endif /* CONFIG_WPS */
a4cba8f1
LC		 1923 if (wpa_supplicant_req_sched_scan(wpa_s))
1924 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1925 timeout_usec);
4f39908b
DS		 1926
1927 wpa_msg_ctrl(wpa_s, MSG_INFO,
1928 WPA_EVENT_NETWORK_NOT_FOUND);
977b1174 1929 }
6fc6879b 1930 }
e1504976 1931 return 0;
6fc6879b 1932}
6859f1cb
BG		 1933
1934
b0e669be
JM		 1935static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1936 union wpa_event_data *data)
6859f1cb 1937{
6859f1cb 1938 struct wpa_supplicant *ifs;
b0e669be 1939 int res;
6859f1cb 1940
e3e2fe3a 1941 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
b0e669be
JM		 1942 if (res == 2) {
1943 /*
1944 * Interface may have been removed, so must not dereference
1945 * wpa_s after this.
1946 */
1947 return 1;
1948 }
e3e2fe3a
AS		 1949
1950 if (res < 0) {
e1504976
BG		 1951 /*
1952 * If no scan results could be fetched, then no need to
1953 * notify those interfaces that did not actually request
0dd54313
JM		 1954 * this scan. Similarly, if scan results started a new operation on this
1955 * interface, do not notify other interfaces to avoid concurrent
1956 * operations during a connection attempt.
e1504976 1957 */
b0e669be 1958 return 0;
e1504976 1959 }
6859f1cb
BG		 1960
1961 /*
f88f19b4 1962 * Check other interfaces to see if they share the same radio. If
6859f1cb
BG		 1963 * so, they get updated with this same scan info.
1964 */
f88f19b4
JM		 1965 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1966 radio_list) {
1967 if (ifs != wpa_s) {
6859f1cb
BG		 1968 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1969 "sibling", ifs->ifname);
e3e2fe3a
AS		 1970 res = _wpa_supplicant_event_scan_results(ifs, data, 0,
1971 res > 0);
1972 if (res < 0)
1973 return 0;
6859f1cb
BG		 1974 }
1975 }
b0e669be
JM		 1976
1977 return 0;
6859f1cb
BG		 1978}
1979
6fc6879b
JM		 1980#endif /* CONFIG_NO_SCAN_PROCESSING */
1981
1982
cecdddc1
PS		 1983int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1984{
1985#ifdef CONFIG_NO_SCAN_PROCESSING
1986 return -1;
1987#else /* CONFIG_NO_SCAN_PROCESSING */
a12d3454 1988 struct os_reltime now;
cecdddc1 1989
6e374bd4
JM		 1990 wpa_s->ignore_post_flush_scan_res = 0;
1991
c1a14ef4 1992 if (wpa_s->last_scan_res_used == 0)
cecdddc1
PS		 1993 return -1;
1994
a12d3454
JB		 1995 os_get_reltime(&now);
1996 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
cecdddc1
PS		 1997 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1998 return -1;
1999 }
2000
cc4952ad 2001 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
cecdddc1
PS		 2002#endif /* CONFIG_NO_SCAN_PROCESSING */
2003}
2004
b6668734
JM		 2005#ifdef CONFIG_WNM
2006
2007static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
2008{
2009 struct wpa_supplicant *wpa_s = eloop_ctx;
2010
2011 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2012 return;
2013
2ec535fd
JM		 2014 if (!wpa_s->no_keep_alive) {
2015 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
2016 MAC2STR(wpa_s->bssid));
2017 /* TODO: could skip this if normal data traffic has been sent */
2018 /* TODO: Consider using some more appropriate data frame for
2019 * this */
2020 if (wpa_s->l2)
2021 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2022 (u8 *) "", 0);
2023 }
b6668734 2024
597c7a8d 2025#ifdef CONFIG_SME
b6668734
JM		 2026 if (wpa_s->sme.bss_max_idle_period) {
2027 unsigned int msec;
2028 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2029 if (msec > 100)
2030 msec -= 100;
2031 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2032 wnm_bss_keep_alive, wpa_s, NULL);
2033 }
597c7a8d 2034#endif /* CONFIG_SME */
b6668734
JM		 2035}
2036
2037
2038static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2039 const u8 *ies, size_t ies_len)
2040{
2041 struct ieee802_11_elems elems;
2042
2043 if (ies == NULL)
2044 return;
2045
2046 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2047 return;
2048
2049#ifdef CONFIG_SME
2050 if (elems.bss_max_idle_period) {
2051 unsigned int msec;
2052 wpa_s->sme.bss_max_idle_period =
2053 WPA_GET_LE16(elems.bss_max_idle_period);
2054 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2055 "TU)%s", wpa_s->sme.bss_max_idle_period,
2056 (elems.bss_max_idle_period[2] & 0x01) ?
2057 " (protected keep-live required)" : "");
2058 if (wpa_s->sme.bss_max_idle_period == 0)
2059 wpa_s->sme.bss_max_idle_period = 1;
2060 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2061 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2062 /* msec times 1000 */
2063 msec = wpa_s->sme.bss_max_idle_period * 1024;
2064 if (msec > 100)
2065 msec -= 100;
2066 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2067 wnm_bss_keep_alive, wpa_s,
2068 NULL);
2069 }
2070 }
2071#endif /* CONFIG_SME */
2072}
2073
2074#endif /* CONFIG_WNM */
2075
2076
2077void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2078{
2079#ifdef CONFIG_WNM
2080 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2081#endif /* CONFIG_WNM */
2082}
2083
2084
56f5af48
JM		 2085#ifdef CONFIG_INTERWORKING
2086
2087static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2088 size_t len)
2089{
2090 int res;
2091
2092 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2093 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2094 if (res) {
2095 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2096 }
2097
2098 return res;
2099}
2100
2101
2102static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2103 const u8 *ies, size_t ies_len)
2104{
2105 struct ieee802_11_elems elems;
2106
2107 if (ies == NULL)
2108 return;
2109
2110 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2111 return;
2112
2113 if (elems.qos_map_set) {
2114 wpas_qos_map_set(wpa_s, elems.qos_map_set,
2115 elems.qos_map_set_len);
2116 }
2117}
2118
2119#endif /* CONFIG_INTERWORKING */
2120
2121
ea708118
DL		 2122#ifdef CONFIG_FST
2123static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2124 const u8 *ie, size_t ie_len)
2125{
2126 struct mb_ies_info mb_ies;
2127
2128 if (!ie || !ie_len || !wpa_s->fst)
2129 return -ENOENT;
2130
2131 os_memset(&mb_ies, 0, sizeof(mb_ies));
2132
2133 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2134 size_t len;
2135
2136 len = 2 + ie[1];
2137 if (len > ie_len) {
2138 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2139 ie, ie_len);
2140 break;
2141 }
2142
2143 if (ie[0] == WLAN_EID_MULTI_BAND) {
2144 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2145 (unsigned int) len);
2146 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2147 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2148 mb_ies.nof_ies++;
2149 }
2150
2151 ie_len -= len;
2152 ie += len;
2153 }
2154
2155 if (mb_ies.nof_ies > 0) {
2156 wpabuf_free(wpa_s->received_mb_ies);
2157 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2158 return 0;
2159 }
2160
2161 return -ENOENT;
2162}
2163#endif /* CONFIG_FST */
2164
2165
579ce771
JM		 2166static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2167 union wpa_event_data *data)
6fc6879b
JM		 2168{
2169 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 2170 const u8 *p;
b6714ca1 2171#ifdef CONFIG_IEEE80211R
6a1ce395 2172 u8 bssid[ETH_ALEN];
b6714ca1 2173#endif /* CONFIG_IEEE80211R */
6fc6879b 2174
f049052b 2175 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 2176 if (data->assoc_info.req_ies)
2177 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2178 data->assoc_info.req_ies_len);
52c9e6f3 2179 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 2180 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2181 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 2182#ifdef CONFIG_TDLS
2183 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2184 data->assoc_info.resp_ies_len);
2185#endif /* CONFIG_TDLS */
b6668734
JM		 2186#ifdef CONFIG_WNM
2187 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2188 data->assoc_info.resp_ies_len);
2189#endif /* CONFIG_WNM */
56f5af48
JM		 2190#ifdef CONFIG_INTERWORKING
2191 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2192 data->assoc_info.resp_ies_len);
2193#endif /* CONFIG_INTERWORKING */
52c9e6f3 2194 }
6fc6879b
JM		 2195 if (data->assoc_info.beacon_ies)
2196 wpa_hexdump(MSG_DEBUG, "beacon_ies",
2197 data->assoc_info.beacon_ies,
2198 data->assoc_info.beacon_ies_len);
4832ecd7 2199 if (data->assoc_info.freq)
f049052b
BG		 2200 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2201 data->assoc_info.freq);
6fc6879b
JM		 2202
2203 p = data->assoc_info.req_ies;
2204 l = data->assoc_info.req_ies_len;
2205
2206 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2207 while (p && l >= 2) {
2208 len = p[1] + 2;
2209 if (len > l) {
2210 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2211 p, l);
2212 break;
2213 }
2214 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2215 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
192964dd
DN		 2216 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2217 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
6fc6879b
JM		 2218 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2219 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2220 break;
2221 found = 1;
2222 wpa_find_assoc_pmkid(wpa_s);
2223 break;
2224 }
2225 l -= len;
2226 p += len;
2227 }
2228 if (!found && data->assoc_info.req_ies)
2229 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2230
706df429
JM		 2231#ifdef CONFIG_FILS
2232#ifdef CONFIG_SME
76e20f4f
JM		 2233 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2234 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
706df429
JM		 2235 (!data->assoc_info.resp_frame ||
2236 fils_process_assoc_resp(wpa_s->wpa,
2237 data->assoc_info.resp_frame,
2238 data->assoc_info.resp_frame_len) < 0)) {
2239 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2240 return -1;
2241 }
2242#endif /* CONFIG_SME */
5538fc93
VK		 2243
2244 /* Additional processing for FILS when SME is in driver */
2245 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
2246 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2247 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
706df429
JM		 2248#endif /* CONFIG_FILS */
2249
0a614799
JM		 2250#ifdef CONFIG_OWE
2251 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
2252 owe_process_assoc_resp(wpa_s->wpa,
2253 data->assoc_info.resp_ies,
2254 data->assoc_info.resp_ies_len) < 0) {
2255 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2256 return -1;
2257 }
2258#endif /* CONFIG_OWE */
2259
c2a04078 2260#ifdef CONFIG_IEEE80211R
62c72d72
JM		 2261#ifdef CONFIG_SME
2262 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 2263 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2264 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2265 data->assoc_info.resp_ies,
2266 data->assoc_info.resp_ies_len,
2267 bssid) < 0) {
f049052b
BG		 2268 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2269 "Reassociation Response failed");
579ce771
JM		 2270 wpa_supplicant_deauthenticate(
2271 wpa_s, WLAN_REASON_INVALID_IE);
2272 return -1;
62c72d72
JM		 2273 }
2274 }
62c72d72 2275
c2a04078
JM		 2276 p = data->assoc_info.resp_ies;
2277 l = data->assoc_info.resp_ies_len;
2278
54f489be 2279#ifdef CONFIG_WPS_STRICT
5dac11e0 2280 if (p && wpa_s->current_ssid &&
54f489be
JM		 2281 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2282 struct wpabuf *wps;
2283 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2284 if (wps == NULL) {
f049052b
BG		 2285 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2286 "include WPS IE in (Re)Association Response");
54f489be
JM		 2287 return -1;
2288 }
2289
2290 if (wps_validate_assoc_resp(wps) < 0) {
2291 wpabuf_free(wps);
2292 wpa_supplicant_deauthenticate(
2293 wpa_s, WLAN_REASON_INVALID_IE);
2294 return -1;
2295 }
2296 wpabuf_free(wps);
2297 }
2298#endif /* CONFIG_WPS_STRICT */
2299
e7846b68 2300 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 2301 while (p && l >= 2) {
2302 len = p[1] + 2;
2303 if (len > l) {
2304 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2305 p, l);
2306 break;
2307 }
e7846b68
JM		 2308 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2309 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2310 wpa_s->sme.ft_used = 1;
2311 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2312 MOBILITY_DOMAIN_ID_LEN);
2313 break;
2314 }
c2a04078
JM		 2315 l -= len;
2316 p += len;
2317 }
e7846b68 2318#endif /* CONFIG_SME */
c2a04078 2319
6a1ce395
DG		 2320 /* Process FT when SME is in the driver */
2321 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2322 wpa_ft_is_completed(wpa_s->wpa)) {
2323 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2324 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2325 data->assoc_info.resp_ies,
2326 data->assoc_info.resp_ies_len,
2327 bssid) < 0) {
2328 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2329 "Reassociation Response failed");
2330 wpa_supplicant_deauthenticate(
2331 wpa_s, WLAN_REASON_INVALID_IE);
2332 return -1;
2333 }
2334 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2335 }
2336
e7846b68
JM		 2337 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2338 data->assoc_info.resp_ies_len);
c2a04078
JM		 2339#endif /* CONFIG_IEEE80211R */
2340
6fc6879b
JM		 2341 /* WPA/RSN IE from Beacon/ProbeResp */
2342 p = data->assoc_info.beacon_ies;
2343 l = data->assoc_info.beacon_ies_len;
2344
2345 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2346 */
2347 wpa_found = rsn_found = 0;
2348 while (p && l >= 2) {
2349 len = p[1] + 2;
2350 if (len > l) {
2351 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2352 p, l);
2353 break;
2354 }
2355 if (!wpa_found &&
2356 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2357 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2358 wpa_found = 1;
2359 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2360 }
2361
2362 if (!rsn_found &&
2363 p[0] == WLAN_EID_RSN && p[1] >= 2) {
2364 rsn_found = 1;
2365 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2366 }
2367
2368 l -= len;
2369 p += len;
2370 }
2371
2372 if (!wpa_found && data->assoc_info.beacon_ies)
2373 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2374 if (!rsn_found && data->assoc_info.beacon_ies)
2375 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2376 if (wpa_found || rsn_found)
2377 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 2378
117e812d
JM		 2379 if (wpa_s->assoc_freq && data->assoc_info.freq &&
2380 wpa_s->assoc_freq != data->assoc_info.freq) {
2381 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2382 "%u to %u MHz",
2383 wpa_s->assoc_freq, data->assoc_info.freq);
2384 wpa_supplicant_update_scan_results(wpa_s);
2385 }
2386
4832ecd7 2387 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 2388
2389 return 0;
6fc6879b
JM		 2390}
2391
2392
ad9ee4d4
JM		 2393static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2394{
2395 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2396
2397 if (!wpa_s->current_bss || !wpa_s->current_ssid)
2398 return -1;
2399
2400 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2401 return 0;
2402
2403 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2404 WPA_IE_VENDOR_TYPE);
2405 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2406
2407 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2408 bss_wpa ? 2 + bss_wpa[1] : 0) ||
2409 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2410 bss_rsn ? 2 + bss_rsn[1] : 0))
2411 return -1;
2412
2413 return 0;
2414}
2415
2416
ea708118
DL		 2417static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2418 union wpa_event_data *data)
2419{
2420#ifdef CONFIG_FST
2421 struct assoc_info *ai = data ? &data->assoc_info : NULL;
2422 struct wpa_bss *bss = wpa_s->current_bss;
2423 const u8 *ieprb, *iebcn;
2424
2425 wpabuf_free(wpa_s->received_mb_ies);
2426 wpa_s->received_mb_ies = NULL;
2427
2428 if (ai &&
2429 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2430 wpa_printf(MSG_DEBUG,
2431 "FST: MB IEs updated from Association Response frame");
2432 return;
2433 }
2434
2435 if (ai &&
2436 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2437 wpa_printf(MSG_DEBUG,
2438 "FST: MB IEs updated from association event Beacon IEs");
2439 return;
2440 }
2441
2442 if (!bss)
2443 return;
2444
2445 ieprb = (const u8 *) (bss + 1);
2446 iebcn = ieprb + bss->ie_len;
2447
2448 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2449 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2450 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2451 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2452#endif /* CONFIG_FST */
2453}
2454
2455
6fc6879b
JM		 2456static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2457 union wpa_event_data *data)
2458{
2459 u8 bssid[ETH_ALEN];
e07adb7f 2460 int ft_completed, already_authorized;
ce7d0eb1 2461 int new_bss = 0;
6fc6879b 2462
1d041bec
JM		 2463#ifdef CONFIG_AP
2464 if (wpa_s->ap_iface) {
a01acc50
JM		 2465 if (!data)
2466 return;
1d041bec
JM		 2467 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2468 data->assoc_info.addr,
2469 data->assoc_info.req_ies,
39b08b5f
SP		 2470 data->assoc_info.req_ies_len,
2471 data->assoc_info.reassoc);
1d041bec
JM		 2472 return;
2473 }
2474#endif /* CONFIG_AP */
2475
9bd566a3
AS		 2476 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2477
1d041bec 2478 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 2479 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2480 return;
706df429
JM		 2481 /*
2482 * FILS authentication can share the same mechanism to mark the
2483 * connection fully authenticated, so set ft_completed also based on
2484 * FILS result.
2485 */
2486 if (!ft_completed)
2487 ft_completed = wpa_fils_is_completed(wpa_s->wpa);
6fc6879b 2488
0a0c38f6
MH		 2489 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2490 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 2491 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 2492 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2493 return;
2494 }
2495
6fc6879b 2496 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 2497 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
f049052b 2498 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 2499 MACSTR, MAC2STR(bssid));
ce7d0eb1 2500 new_bss = 1;
bbb921da 2501 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 2502 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2503 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 2504 wpas_notify_bssid_changed(wpa_s);
8bac466b 2505
6fc6879b
JM		 2506 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2507 wpa_clear_keys(wpa_s, bssid);
2508 }
2509 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 2510 wpa_supplicant_deauthenticate(
6fc6879b
JM		 2511 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2512 return;
2513 }
ce7d0eb1 2514 }
cd2f4ddf 2515
ce7d0eb1
SD		 2516 if (wpa_s->conf->ap_scan == 1 &&
2517 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2518 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2519 wpa_msg(wpa_s, MSG_WARNING,
2520 "WPA/RSN IEs not updated");
6fc6879b
JM		 2521 }
2522
ea708118
DL		 2523 wpas_fst_update_mb_assoc(wpa_s, data);
2524
62fa124c
JM		 2525#ifdef CONFIG_SME
2526 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2527 wpa_s->sme.prev_bssid_set = 1;
3302b7c2 2528 wpa_s->sme.last_unprot_disconnect.sec = 0;
62fa124c
JM		 2529#endif /* CONFIG_SME */
2530
6fc6879b
JM		 2531 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2532 if (wpa_s->current_ssid) {
2533 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2534 * initialized before association, but for other modes,
2535 * initialize PC/SC here, if the current configuration needs
2536 * smartcard or SIM/USIM. */
2537 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2538 }
2539 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 2540 if (wpa_s->l2)
2541 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b 2542
e07adb7f
JM		 2543 already_authorized = data && data->assoc_info.authorized;
2544
6fc6879b
JM		 2545 /*
2546 * Set portEnabled first to FALSE in order to get EAP state machine out
2547 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2548 * state machine may transit to AUTHENTICATING state based on obsolete
2549 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2550 * AUTHENTICATED without ever giving chance to EAP state machine to
2551 * reset the state.
2552 */
e07adb7f 2553 if (!ft_completed && !already_authorized) {
6fc6879b
JM		 2554 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2555 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2556 }
a1ea1b45 2557 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
567da5bb 2558 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
a1ea1b45 2559 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
e07adb7f 2560 already_authorized)
6fc6879b
JM		 2561 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2562 /* 802.1X::portControl = Auto */
2563 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2564 wpa_s->eapol_received = 0;
2565 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 2566 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2567 (wpa_s->current_ssid &&
2568 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
fb958ea7
JM		 2569 if (wpa_s->current_ssid &&
2570 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
6ea1f413
JM		 2571 (wpa_s->drv_flags &
2572 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2573 /*
2574 * Set the key after having received joined-IBSS event
2575 * from the driver.
2576 */
2577 wpa_supplicant_set_wpa_none_key(wpa_s,
2578 wpa_s->current_ssid);
2579 }
6fc6879b
JM		 2580 wpa_supplicant_cancel_auth_timeout(wpa_s);
2581 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2582 } else if (!ft_completed) {
2583 /* Timeout for receiving the first EAPOL packet */
2584 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2585 }
2586 wpa_supplicant_cancel_scan(wpa_s);
2587
c2a04078 2588 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
56586197 2589 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 2590 /*
2591 * We are done; the driver will take care of RSN 4-way
2592 * handshake.
2593 */
2594 wpa_supplicant_cancel_auth_timeout(wpa_s);
2595 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2596 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2597 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
98ea9431
JM		 2598 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2599 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2600 /*
2601 * The driver will take care of RSN 4-way handshake, so we need
2602 * to allow EAPOL supplicant to complete its work without
2603 * waiting for WPA supplicant.
2604 */
2605 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
16a83d29
JM		 2606 } else if (ft_completed) {
2607 /*
2608 * FT protocol completed - make sure EAPOL state machine ends
2609 * up in authenticated.
2610 */
2611 wpa_supplicant_cancel_auth_timeout(wpa_s);
2612 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2613 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2614 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
6fc6879b 2615 }
1ff73338 2616
3ab35a66
JM		 2617 wpa_s->last_eapol_matches_bssid = 0;
2618
1ff73338 2619 if (wpa_s->pending_eapol_rx) {
c2be937c
JB		 2620 struct os_reltime now, age;
2621 os_get_reltime(&now);
2622 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
6a5425fd 2623 if (age.sec == 0 && age.usec < 200000 &&
1ff73338
JM		 2624 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2625 0) {
f049052b
BG		 2626 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2627 "frame that was received just before "
2628 "association notification");
1ff73338
JM		 2629 wpa_supplicant_rx_eapol(
2630 wpa_s, wpa_s->pending_eapol_rx_src,
2631 wpabuf_head(wpa_s->pending_eapol_rx),
2632 wpabuf_len(wpa_s->pending_eapol_rx));
2633 }
2634 wpabuf_free(wpa_s->pending_eapol_rx);
2635 wpa_s->pending_eapol_rx = NULL;
2636 }
60b94c98 2637
0194fedb
JB		 2638 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2639 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 2640 wpa_s->current_ssid &&
2641 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 2642 /* Set static WEP keys again */
2643 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2644 }
50b05780
JM		 2645
2646#ifdef CONFIG_IBSS_RSN
2647 if (wpa_s->current_ssid &&
2648 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2649 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 2650 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2651 wpa_s->ibss_rsn == NULL) {
6c33ca9f 2652 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
78177a00
JM		 2653 if (!wpa_s->ibss_rsn) {
2654 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2655 wpa_supplicant_deauthenticate(
2656 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2657 return;
2658 }
2659
2660 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2661 }
50b05780 2662#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 2663
2664 wpas_wps_notify_assoc(wpa_s, bssid);
a0413b17
MB		 2665
2666 if (data) {
2667 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2668 data->assoc_info.resp_ies_len,
2669 &data->assoc_info.wmm_params);
8c42b369
EP		 2670
2671 if (wpa_s->reassoc_same_bss)
2672 wmm_ac_restore_tspecs(wpa_s);
a0413b17 2673 }
bbe7969d
VK		 2674
2675#ifdef CONFIG_FILS
2676 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
2677 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid);
2678 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
2679
2680 if (fils_cache_id)
2681 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
2682 }
2683#endif /* CONFIG_FILS */
6fc6879b
JM		 2684}
2685
2686
d00821e9
JM		 2687static int disconnect_reason_recoverable(u16 reason_code)
2688{
2689 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2690 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2691 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2692}
2693
2694
0544b242 2695static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 2696 u16 reason_code,
2697 int locally_generated)
6fc6879b
JM		 2698{
2699 const u8 *bssid;
0aadd568
JM		 2700
2701 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2702 /*
2703 * At least Host AP driver and a Prism3 card seemed to be
2704 * generating streams of disconnected events when configuring
2705 * IBSS for WPA-None. Ignore them for now.
2706 */
2707 return;
2708 }
2709
2710 bssid = wpa_s->bssid;
2711 if (is_zero_ether_addr(bssid))
2712 bssid = wpa_s->pending_bssid;
2713
2714 if (!is_zero_ether_addr(bssid) ||
2715 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2716 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2717 " reason=%d%s",
2718 MAC2STR(bssid), reason_code,
2719 locally_generated ? " locally_generated=1" : "");
2720 }
2721}
2722
2723
c9a82218
JM		 2724static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2725 int locally_generated)
2726{
2727 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2728 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2729 return 0; /* Not in 4-way handshake with PSK */
2730
2731 /*
2732 * It looks like connection was lost while trying to go through PSK
2733 * 4-way handshake. Filter out known disconnection cases that are caused
2734 * by something else than PSK mismatch to avoid confusing reports.
2735 */
2736
2737 if (locally_generated) {
2738 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2739 return 0;
2740 }
2741
2742 return 1;
2743}
2744
2745
0aadd568
JM		 2746static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2747 u16 reason_code,
2748 int locally_generated)
2749{
2750 const u8 *bssid;
6d6f4bb8
JM		 2751 int authenticating;
2752 u8 prev_pending_bssid[ETH_ALEN];
d00821e9
JM		 2753 struct wpa_bss *fast_reconnect = NULL;
2754 struct wpa_ssid *fast_reconnect_ssid = NULL;
bcdf2096 2755 struct wpa_ssid *last_ssid;
1ac38863 2756 struct wpa_bss *curr = NULL;
6d6f4bb8
JM		 2757
2758 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2759 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 2760
2761 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2762 /*
2763 * At least Host AP driver and a Prism3 card seemed to be
2764 * generating streams of disconnected events when configuring
2765 * IBSS for WPA-None. Ignore them for now.
2766 */
f049052b
BG		 2767 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2768 "IBSS/WPA-None mode");
6fc6879b
JM		 2769 return;
2770 }
2771
1ac38863
DS		 2772 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2773 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
2774 locally_generated)
2775 /*
2776 * Remove the inactive AP (which is probably out of range) from
2777 * the BSS list after marking disassociation. In particular
2778 * mac80211-based drivers use the
2779 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
2780 * locally generated disconnection events for cases where the
2781 * AP does not reply anymore.
2782 */
2783 curr = wpa_s->current_bss;
2784
c9a82218 2785 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 2786 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2787 "pre-shared key may be incorrect");
5bf9a6c8
JM		 2788 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2789 return; /* P2P group removed */
b19c098e 2790 wpas_auth_failed(wpa_s, "WRONG_KEY");
6fc6879b 2791 }
3636b891
JM		 2792 if (!wpa_s->disconnected &&
2793 (!wpa_s->auto_reconnect_disabled ||
6e252b0d 2794 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
5e238cc6
SD		 2795 wpas_wps_searching(wpa_s) ||
2796 wpas_wps_reenable_networks_pending(wpa_s))) {
d00821e9 2797 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
6e252b0d 2798 "reconnect (wps=%d/%d wpa_state=%d)",
f7da5a9e 2799 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
6e252b0d 2800 wpas_wps_searching(wpa_s),
f7da5a9e 2801 wpa_s->wpa_state);
d00821e9
JM		 2802 if (wpa_s->wpa_state == WPA_COMPLETED &&
2803 wpa_s->current_ssid &&
2804 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 2805 !locally_generated &&
d00821e9
JM		 2806 disconnect_reason_recoverable(reason_code)) {
2807 /*
2808 * It looks like the AP has dropped association with
2809 * us, but could allow us to get back in. Try to
2810 * reconnect to the same BSS without full scan to save
2811 * time for some common cases.
2812 */
2813 fast_reconnect = wpa_s->current_bss;
2814 fast_reconnect_ssid = wpa_s->current_ssid;
2815 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 2816 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 2817 else
2818 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2819 "immediate scan");
0d0a8ca1 2820 } else {
d00821e9 2821 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 2822 "try to re-connect");
0d0a8ca1
AC		 2823 wpa_s->reassociate = 0;
2824 wpa_s->disconnected = 1;
0d0f7ecb
MS		 2825 if (!wpa_s->pno)
2826 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 2827 }
6fc6879b 2828 bssid = wpa_s->bssid;
a8e16edc 2829 if (is_zero_ether_addr(bssid))
6fc6879b 2830 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 2831 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2832 wpas_connection_failed(wpa_s, bssid);
6fc6879b 2833 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 2834 if (locally_generated)
2835 wpa_s->disconnect_reason = -reason_code;
2836 else
2837 wpa_s->disconnect_reason = reason_code;
2838 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 2839 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 2840 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 2841 wpa_clear_keys(wpa_s, wpa_s->bssid);
2842 }
bcdf2096 2843 last_ssid = wpa_s->current_ssid;
6fc6879b 2844 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 2845
1ac38863
DS		 2846 if (curr)
2847 wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
2848
bcdf2096 2849 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 2850 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 2851 wpa_s->current_ssid = last_ssid;
2852 }
d00821e9 2853
eef7235d
JM		 2854 if (fast_reconnect &&
2855 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
2856 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
2857 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
2858 fast_reconnect->ssid_len) &&
dd599908
AS		 2859 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
2860 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) {
5928411e 2861#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 2862 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2863 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2864 fast_reconnect_ssid) < 0) {
2865 /* Recover through full scan */
2866 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2867 }
5928411e 2868#endif /* CONFIG_NO_SCAN_PROCESSING */
eef7235d
JM		 2869 } else if (fast_reconnect) {
2870 /*
2871 * Could not reconnect to the same BSS due to network being
2872 * disabled. Use a new scan to match the alternative behavior
2873 * above, i.e., to continue automatic reconnection attempt in a
2874 * way that enforces disabled network rules.
2875 */
2876 wpa_supplicant_req_scan(wpa_s, 0, 100000);
d00821e9 2877 }
6fc6879b
JM		 2878}
2879
2880
46690a3b 2881#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 2882void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 2883{
2884 struct wpa_supplicant *wpa_s = eloop_ctx;
2885
2886 if (!wpa_s->pending_mic_error_report)
2887 return;
2888
f049052b 2889 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 2890 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2891 wpa_s->pending_mic_error_report = 0;
2892}
2893#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2894
2895
6fc6879b
JM		 2896static void
2897wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2898 union wpa_event_data *data)
2899{
2900 int pairwise;
6473e5c8 2901 struct os_reltime t;
6fc6879b
JM		 2902
2903 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2904 pairwise = (data && data->michael_mic_failure.unicast);
6473e5c8
JB		 2905 os_get_reltime(&t);
2906 if ((wpa_s->last_michael_mic_error.sec &&
2907 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
46690a3b
JM		 2908 wpa_s->pending_mic_error_report) {
2909 if (wpa_s->pending_mic_error_report) {
2910 /*
2911 * Send the pending MIC error report immediately since
2912 * we are going to start countermeasures and AP better
2913 * do the same.
2914 */
2915 wpa_sm_key_request(wpa_s->wpa, 1,
2916 wpa_s->pending_mic_error_pairwise);
2917 }
2918
2919 /* Send the new MIC error report immediately since we are going
2920 * to start countermeasures and AP better do the same.
2921 */
2922 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2923
6fc6879b
JM		 2924 /* initialize countermeasures */
2925 wpa_s->countermeasures = 1;
8945cc45
BM		 2926
2927 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2928
6fc6879b
JM		 2929 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2930
2931 /*
2932 * Need to wait for completion of request frame. We do not get
2933 * any callback for the message completion, so just wait a
2934 * short while and hope for the best. */
2935 os_sleep(0, 10000);
2936
2937 wpa_drv_set_countermeasures(wpa_s, 1);
2938 wpa_supplicant_deauthenticate(wpa_s,
2939 WLAN_REASON_MICHAEL_MIC_FAILURE);
2940 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2941 wpa_s, NULL);
2942 eloop_register_timeout(60, 0,
2943 wpa_supplicant_stop_countermeasures,
2944 wpa_s, NULL);
2945 /* TODO: mark the AP rejected for 60 second. STA is
2946 * allowed to associate with another AP.. */
46690a3b
JM		 2947 } else {
2948#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2949 if (wpa_s->mic_errors_seen) {
2950 /*
2951 * Reduce the effectiveness of Michael MIC error
2952 * reports as a means for attacking against TKIP if
2953 * more than one MIC failure is noticed with the same
2954 * PTK. We delay the transmission of the reports by a
2955 * random time between 0 and 60 seconds in order to
2956 * force the attacker wait 60 seconds before getting
2957 * the information on whether a frame resulted in a MIC
2958 * failure.
2959 */
2960 u8 rval[4];
2961 int sec;
2962
2963 if (os_get_random(rval, sizeof(rval)) < 0)
2964 sec = os_random() % 60;
2965 else
2966 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 2967 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2968 "report %d seconds", sec);
46690a3b
JM		 2969 wpa_s->pending_mic_error_report = 1;
2970 wpa_s->pending_mic_error_pairwise = pairwise;
2971 eloop_cancel_timeout(
2972 wpa_supplicant_delayed_mic_error_report,
2973 wpa_s, NULL);
2974 eloop_register_timeout(
2975 sec, os_random() % 1000000,
2976 wpa_supplicant_delayed_mic_error_report,
2977 wpa_s, NULL);
2978 } else {
2979 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2980 }
2981#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2982 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2983#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b 2984 }
6473e5c8 2985 wpa_s->last_michael_mic_error = t;
46690a3b 2986 wpa_s->mic_errors_seen++;
6fc6879b
JM		 2987}
2988
2989
a83d9c96
SL		 2990#ifdef CONFIG_TERMINATE_ONLASTIF
2991static int any_interfaces(struct wpa_supplicant *head)
2992{
2993 struct wpa_supplicant *wpa_s;
2994
2995 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2996 if (!wpa_s->interface_removed)
2997 return 1;
2998 return 0;
2999}
3000#endif /* CONFIG_TERMINATE_ONLASTIF */
3001
3002
6fc6879b
JM		 3003static void
3004wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
3005 union wpa_event_data *data)
3006{
3007 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
3008 return;
3009
3010 switch (data->interface_status.ievent) {
3011 case EVENT_INTERFACE_ADDED:
3012 if (!wpa_s->interface_removed)
3013 break;
3014 wpa_s->interface_removed = 0;
f049052b 3015 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 3016 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 3017 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
3018 "driver after interface was added");
6fc6879b 3019 }
f43c1ae7
IP		 3020
3021#ifdef CONFIG_P2P
3022 if (!wpa_s->global->p2p &&
3023 !wpa_s->global->p2p_disabled &&
3024 !wpa_s->conf->p2p_disabled &&
3025 (wpa_s->drv_flags &
3026 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
3027 wpas_p2p_add_p2pdev_interface(
3028 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
3029 wpa_printf(MSG_INFO,
3030 "P2P: Failed to enable P2P Device interface");
3031 /* Try to continue without. P2P will be disabled. */
3032 }
3033#endif /* CONFIG_P2P */
3034
6fc6879b
JM		 3035 break;
3036 case EVENT_INTERFACE_REMOVED:
f049052b 3037 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 3038 wpa_s->interface_removed = 1;
3039 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 3040 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 3041 l2_packet_deinit(wpa_s->l2);
3042 wpa_s->l2 = NULL;
f43c1ae7
IP		 3043
3044#ifdef CONFIG_P2P
3045 if (wpa_s->global->p2p &&
3046 wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3047 (wpa_s->drv_flags &
3048 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3049 wpa_dbg(wpa_s, MSG_DEBUG,
3050 "Removing P2P Device interface");
3051 wpa_supplicant_remove_iface(
3052 wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3053 0);
3054 wpa_s->global->p2p_init_wpa_s = NULL;
3055 }
3056#endif /* CONFIG_P2P */
3057
2e997eec
RM		 3058#ifdef CONFIG_MATCH_IFACE
3059 if (wpa_s->matched) {
3060 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3061 break;
3062 }
3063#endif /* CONFIG_MATCH_IFACE */
3064
a83d9c96
SL		 3065#ifdef CONFIG_TERMINATE_ONLASTIF
3066 /* check if last interface */
3067 if (!any_interfaces(wpa_s->global->ifaces))
3068 eloop_terminate();
3069#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 3070 break;
3071 }
3072}
3073
3074
3075#ifdef CONFIG_PEERKEY
3076static void
3077wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
3078 union wpa_event_data *data)
3079{
3080 if (data == NULL)
3081 return;
3082 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
3083}
3084#endif /* CONFIG_PEERKEY */
3085
3086
281ff0aa
GP		 3087#ifdef CONFIG_TDLS
3088static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3089 union wpa_event_data *data)
3090{
3091 if (data == NULL)
3092 return;
3093 switch (data->tdls.oper) {
3094 case TDLS_REQUEST_SETUP:
3887878e
SD		 3095 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3096 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3097 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3098 else
3099 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 3100 break;
3101 case TDLS_REQUEST_TEARDOWN:
f130b105
SD		 3102 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3103 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3104 data->tdls.reason_code);
3105 else
3106 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3107 data->tdls.peer);
281ff0aa 3108 break;
c10ca2a6
SD		 3109 case TDLS_REQUEST_DISCOVER:
3110 wpa_tdls_send_discovery_request(wpa_s->wpa,
3111 data->tdls.peer);
3112 break;
281ff0aa
GP		 3113 }
3114}
3115#endif /* CONFIG_TDLS */
3116
3117
ad3872a3 3118#ifdef CONFIG_WNM
75cad1a0
XC		 3119static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3120 union wpa_event_data *data)
3121{
3122 if (data == NULL)
3123 return;
3124 switch (data->wnm.oper) {
3125 case WNM_OPER_SLEEP:
3126 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3127 "(action=%d, intval=%d)",
3128 data->wnm.sleep_action, data->wnm.sleep_intval);
3129 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 3130 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 3131 break;
3132 }
3133}
ad3872a3 3134#endif /* CONFIG_WNM */
75cad1a0
XC		 3135
3136
6fc6879b
JM		 3137#ifdef CONFIG_IEEE80211R
3138static void
3139wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3140 union wpa_event_data *data)
3141{
3142 if (data == NULL)
3143 return;
3144
3145 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3146 data->ft_ies.ies_len,
3147 data->ft_ies.ft_action,
babfbf15
JM		 3148 data->ft_ies.target_ap,
3149 data->ft_ies.ric_ies,
3150 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 3151 /* TODO: prevent MLME/driver from trying to associate? */
3152 }
3153}
3154#endif /* CONFIG_IEEE80211R */
3155
3156
11ef8d35
JM		 3157#ifdef CONFIG_IBSS_RSN
3158static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3159 union wpa_event_data *data)
3160{
df4bc509 3161 struct wpa_ssid *ssid;
df418245
XC		 3162 if (wpa_s->wpa_state < WPA_ASSOCIATED)
3163 return;
11ef8d35
JM		 3164 if (data == NULL)
3165 return;
df4bc509
JM		 3166 ssid = wpa_s->current_ssid;
3167 if (ssid == NULL)
3168 return;
3169 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3170 return;
3171
11ef8d35
JM		 3172 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3173}
13adc57b
AQ		 3174
3175
3176static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3177 union wpa_event_data *data)
3178{
3179 struct wpa_ssid *ssid = wpa_s->current_ssid;
3180
3181 if (ssid == NULL)
3182 return;
3183
3184 /* check if the ssid is correctly configured as IBSS/RSN */
3185 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3186 return;
3187
3188 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3189 data->rx_mgmt.frame_len);
3190}
11ef8d35
JM		 3191#endif /* CONFIG_IBSS_RSN */
3192
3193
036f7c4a
JM		 3194#ifdef CONFIG_IEEE80211R
3195static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3196 size_t len)
3197{
3198 const u8 *sta_addr, *target_ap_addr;
3199 u16 status;
3200
3201 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3202 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3203 return; /* only SME case supported for now */
3204 if (len < 1 + 2 * ETH_ALEN + 2)
3205 return;
3206 if (data[0] != 2)
3207 return; /* Only FT Action Response is supported for now */
3208 sta_addr = data + 1;
3209 target_ap_addr = data + 1 + ETH_ALEN;
3210 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 3211 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3212 MACSTR " TargetAP " MACSTR " status %u",
3213 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 3214
3215 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 3216 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3217 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 3218 return;
3219 }
3220
3221 if (status) {
f049052b
BG		 3222 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3223 "failure (status code %d)", status);
036f7c4a
JM		 3224 /* TODO: report error to FT code(?) */
3225 return;
3226 }
3227
3228 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3229 len - (1 + 2 * ETH_ALEN + 2), 1,
3230 target_ap_addr, NULL, 0) < 0)
3231 return;
3232
fe191985
JM		 3233#ifdef CONFIG_SME
3234 {
3235 struct wpa_bss *bss;
3236 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3237 if (bss)
3238 wpa_s->sme.freq = bss->freq;
62c72d72 3239 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 3240 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3241 WLAN_AUTH_FT);
3242 }
3243#endif /* CONFIG_SME */
036f7c4a
JM		 3244}
3245#endif /* CONFIG_IEEE80211R */
3246
3247
7d878ca7
JM		 3248static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3249 struct unprot_deauth *e)
3250{
3251#ifdef CONFIG_IEEE80211W
3252 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3253 "dropped: " MACSTR " -> " MACSTR
3254 " (reason code %u)",
3255 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3256 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3257#endif /* CONFIG_IEEE80211W */
3258}
3259
3260
3261static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3262 struct unprot_disassoc *e)
3263{
3264#ifdef CONFIG_IEEE80211W
3265 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3266 "dropped: " MACSTR " -> " MACSTR
3267 " (reason code %u)",
3268 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3269 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3270#endif /* CONFIG_IEEE80211W */
3271}
3272
3273
d7df0fa7
JM		 3274static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3275 u16 reason_code, int locally_generated,
3276 const u8 *ie, size_t ie_len, int deauth)
3277{
3278#ifdef CONFIG_AP
3279 if (wpa_s->ap_iface && addr) {
3280 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3281 return;
3282 }
3283
3284 if (wpa_s->ap_iface) {
3285 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3286 return;
3287 }
3288#endif /* CONFIG_AP */
3289
c2805909
JM		 3290 if (!locally_generated)
3291 wpa_s->own_disconnect_req = 0;
3292
d7df0fa7
JM		 3293 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3294
c60ba9f7
JM		 3295 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3296 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3297 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3298 eapol_sm_failed(wpa_s->eapol))) &&
3299 !wpa_s->eap_expected_failure))
b19c098e 3300 wpas_auth_failed(wpa_s, "AUTH_FAILED");
d7df0fa7
JM		 3301
3302#ifdef CONFIG_P2P
43ee4704 3303 if (deauth && reason_code > 0) {
d7df0fa7
JM		 3304 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3305 locally_generated) > 0) {
3306 /*
3307 * The interface was removed, so cannot continue
3308 * processing any additional operations after this.
3309 */
3310 return;
3311 }
3312 }
3313#endif /* CONFIG_P2P */
3314
3315 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3316 locally_generated);
3317}
3318
3319
3320static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3321 struct disassoc_info *info)
3322{
3323 u16 reason_code = 0;
3324 int locally_generated = 0;
3325 const u8 *addr = NULL;
3326 const u8 *ie = NULL;
3327 size_t ie_len = 0;
3328
3329 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3330
3331 if (info) {
3332 addr = info->addr;
3333 ie = info->ie;
3334 ie_len = info->ie_len;
3335 reason_code = info->reason_code;
3336 locally_generated = info->locally_generated;
3337 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
3338 locally_generated ? " (locally generated)" : "");
3339 if (addr)
3340 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3341 MAC2STR(addr));
3342 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3343 ie, ie_len);
3344 }
3345
3346#ifdef CONFIG_AP
3347 if (wpa_s->ap_iface && info && info->addr) {
3348 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3349 return;
3350 }
3351
3352 if (wpa_s->ap_iface) {
3353 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3354 return;
3355 }
3356#endif /* CONFIG_AP */
3357
3358#ifdef CONFIG_P2P
3359 if (info) {
3360 wpas_p2p_disassoc_notif(
3361 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3362 locally_generated);
3363 }
3364#endif /* CONFIG_P2P */
3365
3366 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3367 sme_event_disassoc(wpa_s, info);
3368
3369 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3370 ie, ie_len, 0);
3371}
3372
3373
3374static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3375 struct deauth_info *info)
3376{
3377 u16 reason_code = 0;
3378 int locally_generated = 0;
3379 const u8 *addr = NULL;
3380 const u8 *ie = NULL;
3381 size_t ie_len = 0;
3382
3383 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3384
3385 if (info) {
3386 addr = info->addr;
3387 ie = info->ie;
3388 ie_len = info->ie_len;
3389 reason_code = info->reason_code;
3390 locally_generated = info->locally_generated;
3391 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
3392 reason_code,
3393 locally_generated ? " (locally generated)" : "");
3394 if (addr) {
3395 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3396 MAC2STR(addr));
3397 }
3398 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3399 ie, ie_len);
3400 }
3401
3402 wpa_reset_ft_completed(wpa_s->wpa);
3403
3404 wpas_event_disconnect(wpa_s, addr, reason_code,
3405 locally_generated, ie, ie_len, 1);
3406}
3407
3408
142817b2
JM		 3409static const char * reg_init_str(enum reg_change_initiator init)
3410{
3411 switch (init) {
3412 case REGDOM_SET_BY_CORE:
3413 return "CORE";
3414 case REGDOM_SET_BY_USER:
3415 return "USER";
3416 case REGDOM_SET_BY_DRIVER:
3417 return "DRIVER";
3418 case REGDOM_SET_BY_COUNTRY_IE:
3419 return "COUNTRY_IE";
3420 case REGDOM_BEACON_HINT:
3421 return "BEACON_HINT";
3422 }
3423 return "?";
3424}
3425
3426
3427static const char * reg_type_str(enum reg_type type)
3428{
3429 switch (type) {
3430 case REGDOM_TYPE_UNKNOWN:
3431 return "UNKNOWN";
3432 case REGDOM_TYPE_COUNTRY:
3433 return "COUNTRY";
3434 case REGDOM_TYPE_WORLD:
3435 return "WORLD";
3436 case REGDOM_TYPE_CUSTOM_WORLD:
3437 return "CUSTOM_WORLD";
3438 case REGDOM_TYPE_INTERSECTION:
3439 return "INTERSECTION";
3440 }
3441 return "?";
3442}
3443
3444
3445static void wpa_supplicant_update_channel_list(
3446 struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
731ca636 3447{
731ca636 3448 struct wpa_supplicant *ifs;
aa56e36d 3449 u8 dfs_domain;
731ca636 3450
3b11ad34
IP		 3451 /*
3452 * To allow backwards compatibility with higher level layers that
3453 * assumed the REGDOM_CHANGE event is sent over the initially added
3454 * interface. Find the highest parent of this interface and use it to
3455 * send the event.
3456 */
3457 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3458 ;
3459
3460 wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
42619d68 3461 reg_init_str(info->initiator), reg_type_str(info->type),
142817b2
JM		 3462 info->alpha2[0] ? " alpha2=" : "",
3463 info->alpha2[0] ? info->alpha2 : "");
3464
731ca636
VKE		 3465 if (wpa_s->drv_priv == NULL)
3466 return; /* Ignore event during drv initialization */
3467
c67e7e2a
JM		 3468 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3469 radio_list) {
0f4bccdb
AN		 3470 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3471 ifs->ifname);
3472 free_hw_features(ifs);
3473 ifs->hw.modes = wpa_drv_get_hw_feature_data(
aa56e36d 3474 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
6ceea4c3 3475
ebf59eb5
AN		 3476 /* Restart PNO/sched_scan with updated channel list */
3477 if (ifs->pno) {
3478 wpas_stop_pno(ifs);
3479 wpas_start_pno(ifs);
3480 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3481 wpa_dbg(ifs, MSG_DEBUG,
3482 "Channel list changed - restart sched_scan");
3483 wpas_scan_restart_sched_scan(ifs);
3484 }
6ceea4c3 3485 }
0f4bccdb 3486
3a8f008a 3487 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
731ca636
VKE		 3488}
3489
3490
dbfb8e82 3491static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
70d1e728
AO		 3492 const u8 *frame, size_t len, int freq,
3493 int rssi)
dbfb8e82 3494{
70d95373 3495 const struct ieee80211_mgmt *mgmt;
dbfb8e82
JM		 3496 const u8 *payload;
3497 size_t plen;
3498 u8 category;
3499
3500 if (len < IEEE80211_HDRLEN + 2)
3501 return;
3502
70d95373
JM		 3503 mgmt = (const struct ieee80211_mgmt *) frame;
3504 payload = frame + IEEE80211_HDRLEN;
dbfb8e82 3505 category = *payload++;
70d95373 3506 plen = len - IEEE80211_HDRLEN - 1;
dbfb8e82
JM		 3507
3508 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3509 " Category=%u DataLen=%d freq=%d MHz",
3510 MAC2STR(mgmt->sa), category, (int) plen, freq);
3511
d1f88001
MB		 3512 if (category == WLAN_ACTION_WMM) {
3513 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3514 return;
3515 }
3516
dbfb8e82
JM		 3517#ifdef CONFIG_IEEE80211R
3518 if (category == WLAN_ACTION_FT) {
3519 ft_rx_action(wpa_s, payload, plen);
3520 return;
3521 }
3522#endif /* CONFIG_IEEE80211R */
3523
3524#ifdef CONFIG_IEEE80211W
3525#ifdef CONFIG_SME
3526 if (category == WLAN_ACTION_SA_QUERY) {
3527 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3528 return;
3529 }
3530#endif /* CONFIG_SME */
3531#endif /* CONFIG_IEEE80211W */
3532
3533#ifdef CONFIG_WNM
3534 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3535 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3536 return;
3537 }
3538#endif /* CONFIG_WNM */
3539
3540#ifdef CONFIG_GAS
c5a64e2d
JM		 3541 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3542 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
dbfb8e82 3543 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
c5a64e2d 3544 mgmt->u.action.category,
dbfb8e82
JM		 3545 payload, plen, freq) == 0)
3546 return;
3547#endif /* CONFIG_GAS */
3548
461d39af
JM		 3549#ifdef CONFIG_GAS_SERVER
3550 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3551 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3552 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
3553 mgmt->u.action.category,
3554 payload, plen, freq) == 0)
3555 return;
3556#endif /* CONFIG_GAS_SERVER */
3557
dbfb8e82
JM		 3558#ifdef CONFIG_TDLS
3559 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3560 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3561 wpa_dbg(wpa_s, MSG_DEBUG,
3562 "TDLS: Received Discovery Response from " MACSTR,
3563 MAC2STR(mgmt->sa));
3564 return;
3565 }
3566#endif /* CONFIG_TDLS */
3567
3568#ifdef CONFIG_INTERWORKING
3569 if (category == WLAN_ACTION_QOS && plen >= 1 &&
3570 payload[0] == QOS_QOS_MAP_CONFIG) {
3571 const u8 *pos = payload + 1;
3572 size_t qlen = plen - 1;
3573 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3574 MACSTR, MAC2STR(mgmt->sa));
3575 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3576 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3577 pos[1] <= qlen - 2 && pos[1] >= 16)
3578 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3579 return;
3580 }
3581#endif /* CONFIG_INTERWORKING */
3582
4a742011
DS		 3583 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3584 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3585 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
3586 payload + 1,
3587 plen - 1);
3588 return;
3589 }
3590
d89c0701
AK		 3591 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3592 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3593 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3594 return;
3595 }
3596
70d1e728
AO		 3597 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3598 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3599 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3600 payload + 1, plen - 1,
3601 rssi);
3602 return;
3603 }
3604
9fbfd1b0
AN		 3605#ifdef CONFIG_FST
3606 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3607 fst_rx_action(wpa_s->fst, mgmt, len);
3608 return;
3609 }
3610#endif /* CONFIG_FST */
3611
30d27b04
JM		 3612#ifdef CONFIG_DPP
3613 if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
3614 payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
3615 WPA_GET_BE24(&payload[1]) == OUI_WFA &&
3616 payload[4] == DPP_OUI_TYPE) {
3617 payload += 5;
3618 plen -= 5;
3619 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
3620 return;
3621 }
3622#endif /* CONFIG_DPP */
3623
dbfb8e82
JM		 3624 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3625 category, payload, plen, freq);
5f92659d
BC		 3626 if (wpa_s->ifmsh)
3627 mesh_mpm_action_rx(wpa_s, mgmt, len);
dbfb8e82
JM		 3628}
3629
3630
253f2e37
AH		 3631static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3632 union wpa_event_data *event)
3633{
253f2e37
AH		 3634 struct wpa_freq_range_list *list;
3635 char *str = NULL;
3636
3637 list = &event->freq_range;
3638
3639 if (list->num)
3640 str = freq_range_list_str(list);
3641 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3642 str ? str : "");
3643
3644#ifdef CONFIG_P2P
3645 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3646 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3647 __func__);
3648 } else {
3649 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
253f2e37 3650
a7160f7e
IP		 3651 /*
3652 * The update channel flow will also take care of moving a GO
3653 * from the unsafe frequency if needed.
3654 */
3a8f008a
IP		 3655 wpas_p2p_update_channel_list(wpa_s,
3656 WPAS_P2P_CHANNEL_UPDATE_AVOID);
253f2e37
AH		 3657 }
3658#endif /* CONFIG_P2P */
3659
3660 os_free(str);
3661}
3662
3663
b41f2684
CL		 3664static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
3665 union wpa_event_data *data)
3666{
3667 wpa_dbg(wpa_s, MSG_DEBUG,
3668 "Connection authorized by device, previous state %d",
3669 wpa_s->wpa_state);
3670 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3671 wpa_supplicant_cancel_auth_timeout(wpa_s);
3672 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3673 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3674 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3675 }
b41f2684 3676 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
98cd3d1c
JM		 3677 data->assoc_info.ptk_kck_len,
3678 data->assoc_info.ptk_kek,
3679 data->assoc_info.ptk_kek_len);
01ef320f
VK		 3680#ifdef CONFIG_FILS
3681 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
f705f41b
VK		 3682 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
3683 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
3684
01ef320f
VK		 3685 /* Update ERP next sequence number */
3686 eapol_sm_update_erp_next_seq_num(
3687 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
f705f41b
VK		 3688
3689 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
3690 /* Add the new PMK and PMKID to the PMKSA cache */
3691 wpa_sm_pmksa_cache_add(wpa_s->wpa,
3692 data->assoc_info.fils_pmk,
3693 data->assoc_info.fils_pmk_len,
3694 data->assoc_info.fils_pmkid,
3695 wpa_s->bssid, fils_cache_id);
3696 } else if (data->assoc_info.fils_pmkid) {
3697 /* Update the current PMKSA used for this connection */
3698 pmksa_cache_set_current(wpa_s->wpa,
3699 data->assoc_info.fils_pmkid,
3700 NULL, NULL, 0, NULL);
3701 }
01ef320f
VK		 3702 } else {
3703 wpa_sm_set_rx_replay_ctr(wpa_s->wpa,
3704 data->assoc_info.key_replay_ctr);
3705 }
3706#else /* CONFIG_FILS */
3707 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
3708#endif /* CONFIG_FILS */
b41f2684
CL		 3709}
3710
3711
9646a8ab 3712void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 3713 union wpa_event_data *data)
3714{
3715 struct wpa_supplicant *wpa_s = ctx;
02e122a9 3716 int resched;
6fc6879b 3717
8401a6b0
JM		 3718 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
3719 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb 3720 event != EVENT_INTERFACE_STATUS &&
1446afc8 3721 event != EVENT_SCAN_RESULTS &&
9b6f44cb 3722 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 3723 wpa_dbg(wpa_s, MSG_DEBUG,
3724 "Ignore event %s (%d) while interface is disabled",
3725 event_to_string(event), event);
8401a6b0
JM		 3726 return;
3727 }
3728
74781dfc
JM		 3729#ifndef CONFIG_NO_STDOUT_DEBUG
3730{
3731 int level = MSG_DEBUG;
3732
eab6f5e0 3733 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 3734 const struct ieee80211_hdr *hdr;
3735 u16 fc;
3736 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
3737 fc = le_to_host16(hdr->frame_control);
3738 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3739 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
3740 level = MSG_EXCESSIVE;
3741 }
3742
3743 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 3744 event_to_string(event), event);
74781dfc
JM		 3745}
3746#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 3747
6fc6879b 3748 switch (event) {
c2a04078 3749 case EVENT_AUTH:
ea708118 3750#ifdef CONFIG_FST
58059e6c
JM		 3751 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
3752 data->auth.ies_len))
3753 wpa_printf(MSG_DEBUG,
3754 "FST: MB IEs updated from auth IE");
ea708118 3755#endif /* CONFIG_FST */
c2a04078
JM		 3756 sme_event_auth(wpa_s, data);
3757 break;
6fc6879b 3758 case EVENT_ASSOC:
02adead5
MK		 3759#ifdef CONFIG_TESTING_OPTIONS
3760 if (wpa_s->ignore_auth_resp) {
3761 wpa_printf(MSG_INFO,
3762 "EVENT_ASSOC - ignore_auth_resp active!");
3763 break;
3764 }
3765#endif /* CONFIG_TESTING_OPTIONS */
6fc6879b 3766 wpa_supplicant_event_assoc(wpa_s, data);
5538fc93
VK		 3767 if ((data && data->assoc_info.authorized) ||
3768 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
3769 wpa_fils_is_completed(wpa_s->wpa)))
b41f2684 3770 wpa_supplicant_event_assoc_auth(wpa_s, data);
f32227ed
RJ		 3771 if (data) {
3772 wpa_msg(wpa_s, MSG_INFO,
3773 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
3774 data->assoc_info.subnet_status);
3775 }
6fc6879b
JM		 3776 break;
3777 case EVENT_DISASSOC:
d7df0fa7
JM		 3778 wpas_event_disassoc(wpa_s,
3779 data ? &data->disassoc_info : NULL);
3780 break;
a84ed99e 3781 case EVENT_DEAUTH:
02adead5
MK		 3782#ifdef CONFIG_TESTING_OPTIONS
3783 if (wpa_s->ignore_auth_resp) {
3784 wpa_printf(MSG_INFO,
3785 "EVENT_DEAUTH - ignore_auth_resp active!");
3786 break;
3787 }
3788#endif /* CONFIG_TESTING_OPTIONS */
d7df0fa7
JM		 3789 wpas_event_deauth(wpa_s,
3790 data ? &data->deauth_info : NULL);
6fc6879b
JM		 3791 break;
3792 case EVENT_MICHAEL_MIC_FAILURE:
3793 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
3794 break;
3795#ifndef CONFIG_NO_SCAN_PROCESSING
a5f40eff 3796 case EVENT_SCAN_STARTED:
adcd7c4b
KV		 3797 if (wpa_s->own_scan_requested ||
3798 (data && !data->scan_info.external_scan)) {
dc3906cb
JM		 3799 struct os_reltime diff;
3800
adcd7c4b 3801 os_get_reltime(&wpa_s->scan_start_time);
dc3906cb
JM		 3802 os_reltime_sub(&wpa_s->scan_start_time,
3803 &wpa_s->scan_trigger_time, &diff);
3804 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
3805 diff.sec, diff.usec);
a5f40eff
JM		 3806 wpa_s->own_scan_requested = 0;
3807 wpa_s->own_scan_running = 1;
d81c73be
JM		 3808 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
3809 wpa_s->manual_scan_use_id) {
abc05534
DS		 3810 wpa_msg_ctrl(wpa_s, MSG_INFO,
3811 WPA_EVENT_SCAN_STARTED "id=%u",
3812 wpa_s->manual_scan_id);
d81c73be 3813 } else {
abc05534
DS		 3814 wpa_msg_ctrl(wpa_s, MSG_INFO,
3815 WPA_EVENT_SCAN_STARTED);
d81c73be 3816 }
a5f40eff
JM		 3817 } else {
3818 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
d90bfa97 3819 wpa_s->radio->external_scan_running = 1;
abc05534 3820 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
a5f40eff
JM		 3821 }
3822 break;
6fc6879b 3823 case EVENT_SCAN_RESULTS:
1446afc8
IP		 3824 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3825 wpa_s->scan_res_handler = NULL;
3826 wpa_s->own_scan_running = 0;
3827 wpa_s->radio->external_scan_running = 0;
3828 wpa_s->last_scan_req = NORMAL_SCAN_REQ;
3829 break;
3830 }
3831
adcd7c4b
KV		 3832 if (!(data && data->scan_info.external_scan) &&
3833 os_reltime_initialized(&wpa_s->scan_start_time)) {
dc3906cb
JM		 3834 struct os_reltime now, diff;
3835 os_get_reltime(&now);
3836 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
3837 wpa_s->scan_start_time.sec = 0;
3838 wpa_s->scan_start_time.usec = 0;
3839 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
3840 diff.sec, diff.usec);
3841 }
b0e669be
JM		 3842 if (wpa_supplicant_event_scan_results(wpa_s, data))
3843 break; /* interface may have been removed */
adcd7c4b
KV		 3844 if (!(data && data->scan_info.external_scan))
3845 wpa_s->own_scan_running = 0;
3846 if (data && data->scan_info.nl_scan_event)
3847 wpa_s->radio->external_scan_running = 0;
6428d0a7 3848 radio_work_check_next(wpa_s);
6fc6879b
JM		 3849 break;
3850#endif /* CONFIG_NO_SCAN_PROCESSING */
3851 case EVENT_ASSOCINFO:
3852 wpa_supplicant_event_associnfo(wpa_s, data);
3853 break;
3854 case EVENT_INTERFACE_STATUS:
3855 wpa_supplicant_event_interface_status(wpa_s, data);
3856 break;
3857 case EVENT_PMKID_CANDIDATE:
3858 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
3859 break;
3860#ifdef CONFIG_PEERKEY
3861 case EVENT_STKSTART:
3862 wpa_supplicant_event_stkstart(wpa_s, data);
3863 break;
3864#endif /* CONFIG_PEERKEY */
281ff0aa
GP		 3865#ifdef CONFIG_TDLS
3866 case EVENT_TDLS:
3867 wpa_supplicant_event_tdls(wpa_s, data);
3868 break;
3869#endif /* CONFIG_TDLS */
ad3872a3 3870#ifdef CONFIG_WNM
75cad1a0
XC		 3871 case EVENT_WNM:
3872 wpa_supplicant_event_wnm(wpa_s, data);
3873 break;
ad3872a3 3874#endif /* CONFIG_WNM */
6fc6879b
JM		 3875#ifdef CONFIG_IEEE80211R
3876 case EVENT_FT_RESPONSE:
3877 wpa_supplicant_event_ft_response(wpa_s, data);
3878 break;
3879#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 3880#ifdef CONFIG_IBSS_RSN
3881 case EVENT_IBSS_RSN_START:
3882 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
3883 break;
3884#endif /* CONFIG_IBSS_RSN */
efa46078 3885 case EVENT_ASSOC_REJECT:
c05d6d18
JM		 3886 if (data->assoc_reject.bssid)
3887 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
15e5ee0b 3888 "bssid=" MACSTR " status_code=%u%s%s%s",
c05d6d18 3889 MAC2STR(data->assoc_reject.bssid),
9a5160f5 3890 data->assoc_reject.status_code,
3f23260d 3891 data->assoc_reject.timed_out ? " timeout" : "",
15e5ee0b
JB		 3892 data->assoc_reject.timeout_reason ? "=" : "",
3893 data->assoc_reject.timeout_reason ?
3894 data->assoc_reject.timeout_reason : "");
c05d6d18
JM		 3895 else
3896 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
15e5ee0b 3897 "status_code=%u%s%s%s",
9a5160f5 3898 data->assoc_reject.status_code,
3f23260d 3899 data->assoc_reject.timed_out ? " timeout" : "",
15e5ee0b
JB		 3900 data->assoc_reject.timeout_reason ? "=" : "",
3901 data->assoc_reject.timeout_reason ?
3902 data->assoc_reject.timeout_reason : "");
c7fb678f
NS		 3903 wpa_s->assoc_status_code = data->assoc_reject.status_code;
3904 wpas_notify_assoc_status_code(wpa_s);
ea78c315
JM		 3905 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3906 sme_event_assoc_reject(wpa_s, data);
10737aba
JM		 3907 else {
3908 const u8 *bssid = data->assoc_reject.bssid;
01ef320f
VK		 3909
3910#ifdef CONFIG_FILS
3911 /* Update ERP next sequence number */
3912 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS)
3913 eapol_sm_update_erp_next_seq_num(
3914 wpa_s->eapol,
3915 data->assoc_reject.fils_erp_next_seq_num);
3916#endif /* CONFIG_FILS */
3917
10737aba
JM		 3918 if (bssid == NULL || is_zero_ether_addr(bssid))
3919 bssid = wpa_s->pending_bssid;
3920 wpas_connection_failed(wpa_s, bssid);
3921 wpa_supplicant_mark_disassoc(wpa_s);
3922 }
efa46078 3923 break;
da1fb17c 3924 case EVENT_AUTH_TIMED_OUT:
9a700ff9
JM		 3925 /* It is possible to get this event from earlier connection */
3926 if (wpa_s->current_ssid &&
3927 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3928 wpa_dbg(wpa_s, MSG_DEBUG,
3929 "Ignore AUTH_TIMED_OUT in mesh configuration");
3930 break;
3931 }
ea78c315
JM		 3932 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3933 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 3934 break;
3935 case EVENT_ASSOC_TIMED_OUT:
9a700ff9
JM		 3936 /* It is possible to get this event from earlier connection */
3937 if (wpa_s->current_ssid &&
3938 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3939 wpa_dbg(wpa_s, MSG_DEBUG,
3940 "Ignore ASSOC_TIMED_OUT in mesh configuration");
3941 break;
3942 }
ea78c315
JM		 3943 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3944 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 3945 break;
f8b1f695 3946 case EVENT_TX_STATUS:
f049052b
BG		 3947 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
3948 " type=%d stype=%d",
3949 MAC2STR(data->tx_status.dst),
3950 data->tx_status.type, data->tx_status.stype);
24f6497c 3951#ifdef CONFIG_AP
9bae1be0 3952 if (wpa_s->ap_iface == NULL) {
24f6497c 3953#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 3954 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3955 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 3956 offchannel_send_action_tx_status(
9bae1be0
JM		 3957 wpa_s, data->tx_status.dst,
3958 data->tx_status.data,
3959 data->tx_status.data_len,
93b7ddd0 3960 data->tx_status.ack ?
24f6497c
JM		 3961 OFFCHANNEL_SEND_ACTION_SUCCESS :
3962 OFFCHANNEL_SEND_ACTION_NO_ACK);
3963#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 3964 break;
3965 }
24f6497c
JM		 3966#endif /* CONFIG_AP */
3967#ifdef CONFIG_OFFCHANNEL
f049052b 3968 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
a26c9c2e 3969 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
9bae1be0
JM		 3970 /*
3971 * Catch TX status events for Action frames we sent via group
a26c9c2e
LD		 3972 * interface in GO mode, or via standalone AP interface.
3973 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
3974 * except when the primary interface is used as a GO interface
3975 * (for drivers which do not have group interface concurrency)
9bae1be0
JM		 3976 */
3977 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3978 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
a26c9c2e 3979 os_memcmp(wpa_s->p2pdev->pending_action_dst,
9bae1be0 3980 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 3981 offchannel_send_action_tx_status(
a26c9c2e 3982 wpa_s->p2pdev, data->tx_status.dst,
9bae1be0
JM		 3983 data->tx_status.data,
3984 data->tx_status.data_len,
1d39378a 3985 data->tx_status.ack ?
24f6497c
JM		 3986 OFFCHANNEL_SEND_ACTION_SUCCESS :
3987 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 3988 break;
9bae1be0 3989 }
24f6497c
JM		 3990#endif /* CONFIG_OFFCHANNEL */
3991#ifdef CONFIG_AP
f8b1f695
JM		 3992 switch (data->tx_status.type) {
3993 case WLAN_FC_TYPE_MGMT:
3994 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
3995 data->tx_status.data_len,
3996 data->tx_status.stype,
3997 data->tx_status.ack);
3998 break;
3999 case WLAN_FC_TYPE_DATA:
4000 ap_tx_status(wpa_s, data->tx_status.dst,
4001 data->tx_status.data,
4002 data->tx_status.data_len,
4003 data->tx_status.ack);
4004 break;
4005 }
24f6497c 4006#endif /* CONFIG_AP */
f8b1f695 4007 break;
24f6497c 4008#ifdef CONFIG_AP
dd840f79
JB		 4009 case EVENT_EAPOL_TX_STATUS:
4010 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
4011 data->eapol_tx_status.data,
4012 data->eapol_tx_status.data_len,
4013 data->eapol_tx_status.ack);
4014 break;
bcf24348
JB		 4015 case EVENT_DRIVER_CLIENT_POLL_OK:
4016 ap_client_poll_ok(wpa_s, data->client_poll.addr);
4017 break;
f8b1f695
JM		 4018 case EVENT_RX_FROM_UNKNOWN:
4019 if (wpa_s->ap_iface == NULL)
4020 break;
9b90955e
JB		 4021 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
4022 data->rx_from_unknown.wds);
f8b1f695 4023 break;
1b487b8b 4024 case EVENT_CH_SWITCH:
61f121d9 4025 if (!data || !wpa_s->current_ssid)
1b487b8b 4026 break;
1b487b8b 4027
37fd0be2
JM		 4028 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
4029 "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4030 data->ch_switch.freq,
4031 data->ch_switch.ht_enabled,
4032 data->ch_switch.ch_offset,
4033 channel_width_to_string(data->ch_switch.ch_width),
4034 data->ch_switch.cf1,
4035 data->ch_switch.cf2);
4036
61f121d9
IP		 4037 wpa_s->assoc_freq = data->ch_switch.freq;
4038 wpa_s->current_ssid->frequency = data->ch_switch.freq;
4039
4040 if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
4041 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
4042 wpa_s->current_ssid->mode ==
4043 WPAS_MODE_P2P_GROUP_FORMATION) {
4044 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
4045 data->ch_switch.ht_enabled,
4046 data->ch_switch.ch_offset,
4047 data->ch_switch.ch_width,
4048 data->ch_switch.cf1,
4049 data->ch_switch.cf2);
4050 }
3bafb0d8
AO		 4051
4052 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
1b487b8b 4053 break;
bd0f68c4
AK		 4054#ifdef NEED_AP_MLME
4055 case EVENT_DFS_RADAR_DETECTED:
4056 if (data)
4057 wpas_event_dfs_radar_detected(wpa_s, &data->dfs_event);
4058 break;
4059 case EVENT_DFS_CAC_STARTED:
4060 if (data)
4061 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
4062 break;
4063 case EVENT_DFS_CAC_FINISHED:
4064 if (data)
4065 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
4066 break;
4067 case EVENT_DFS_CAC_ABORTED:
4068 if (data)
4069 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
4070 break;
4071 case EVENT_DFS_NOP_FINISHED:
4072 if (data)
4073 wpas_event_dfs_cac_nop_finished(wpa_s,
4074 &data->dfs_event);
4075 break;
4076#endif /* NEED_AP_MLME */
13adc57b 4077#endif /* CONFIG_AP */
2d43d37f
JB		 4078 case EVENT_RX_MGMT: {
4079 u16 fc, stype;
4080 const struct ieee80211_mgmt *mgmt;
4081
60b893df
JM		 4082#ifdef CONFIG_TESTING_OPTIONS
4083 if (wpa_s->ext_mgmt_frame_handling) {
4084 struct rx_mgmt *rx = &data->rx_mgmt;
4085 size_t hex_len = 2 * rx->frame_len + 1;
4086 char *hex = os_malloc(hex_len);
4087 if (hex) {
4088 wpa_snprintf_hex(hex, hex_len,
4089 rx->frame, rx->frame_len);
4090 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4091 rx->freq, rx->datarate, rx->ssi_signal,
4092 hex);
4093 os_free(hex);
4094 }
4095 break;
4096 }
4097#endif /* CONFIG_TESTING_OPTIONS */
4098
2d43d37f
JB		 4099 mgmt = (const struct ieee80211_mgmt *)
4100 data->rx_mgmt.frame;
4101 fc = le_to_host16(mgmt->frame_control);
4102 stype = WLAN_FC_GET_STYPE(fc);
4103
13adc57b 4104#ifdef CONFIG_AP
9bae1be0 4105 if (wpa_s->ap_iface == NULL) {
13adc57b 4106#endif /* CONFIG_AP */
9bae1be0 4107#ifdef CONFIG_P2P
9bae1be0 4108 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0 4109 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
9bae1be0 4110 const u8 *src = mgmt->sa;
c01120a0
JM		 4111 const u8 *ie;
4112 size_t ie_len;
4113
4114 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4115 ie_len = data->rx_mgmt.frame_len -
4116 IEEE80211_HDRLEN;
baf513d6
JB		 4117 wpas_p2p_probe_req_rx(
4118 wpa_s, src, mgmt->da,
4119 mgmt->bssid, ie, ie_len,
734ddf61 4120 data->rx_mgmt.freq,
baf513d6 4121 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 4122 break;
4123 }
4124#endif /* CONFIG_P2P */
13adc57b 4125#ifdef CONFIG_IBSS_RSN
5f92659d
BC		 4126 if (wpa_s->current_ssid &&
4127 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4128 stype == WLAN_FC_STYPE_AUTH &&
13adc57b
AQ		 4129 data->rx_mgmt.frame_len >= 30) {
4130 wpa_supplicant_event_ibss_auth(wpa_s, data);
4131 break;
4132 }
4133#endif /* CONFIG_IBSS_RSN */
dbfb8e82
JM		 4134
4135 if (stype == WLAN_FC_STYPE_ACTION) {
4136 wpas_event_rx_mgmt_action(
70d95373
JM		 4137 wpa_s, data->rx_mgmt.frame,
4138 data->rx_mgmt.frame_len,
70d1e728
AO		 4139 data->rx_mgmt.freq,
4140 data->rx_mgmt.ssi_signal);
dbfb8e82
JM		 4141 break;
4142 }
4143
5f92659d
BC		 4144 if (wpa_s->ifmsh) {
4145 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4146 break;
4147 }
4148
f049052b
BG		 4149 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4150 "management frame in non-AP mode");
f8b1f695 4151 break;
13adc57b 4152#ifdef CONFIG_AP
9bae1be0 4153 }
2d43d37f
JB		 4154
4155 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0
JM		 4156 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4157 const u8 *ie;
4158 size_t ie_len;
4159
4160 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4161 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
2d43d37f
JB		 4162
4163 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4164 mgmt->bssid, ie, ie_len,
4165 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 4166 }
4167
2a8b7416 4168 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
13adc57b 4169#endif /* CONFIG_AP */
f8b1f695 4170 break;
2d43d37f 4171 }
e67b55fb 4172 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 4173 if (data->rx_probe_req.sa == NULL ||
4174 data->rx_probe_req.ie == NULL)
4175 break;
e67b55fb
JM		 4176#ifdef CONFIG_AP
4177 if (wpa_s->ap_iface) {
4178 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4179 data->rx_probe_req.sa,
04a85e44
JM		 4180 data->rx_probe_req.da,
4181 data->rx_probe_req.bssid,
e67b55fb 4182 data->rx_probe_req.ie,
baf513d6
JB		 4183 data->rx_probe_req.ie_len,
4184 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 4185 break;
4186 }
4187#endif /* CONFIG_AP */
e67b55fb 4188 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 4189 data->rx_probe_req.da,
4190 data->rx_probe_req.bssid,
e67b55fb 4191 data->rx_probe_req.ie,
baf513d6 4192 data->rx_probe_req.ie_len,
734ddf61 4193 0,
baf513d6 4194 data->rx_probe_req.ssi_signal);
036f7c4a 4195 break;
9bae1be0 4196 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 4197#ifdef CONFIG_OFFCHANNEL
4198 offchannel_remain_on_channel_cb(
4199 wpa_s, data->remain_on_channel.freq,
4200 data->remain_on_channel.duration);
4201#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4202 wpas_p2p_remain_on_channel_cb(
4203 wpa_s, data->remain_on_channel.freq,
4204 data->remain_on_channel.duration);
4205 break;
4206 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 4207#ifdef CONFIG_OFFCHANNEL
4208 offchannel_cancel_remain_on_channel_cb(
4209 wpa_s, data->remain_on_channel.freq);
4210#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4211 wpas_p2p_cancel_remain_on_channel_cb(
4212 wpa_s, data->remain_on_channel.freq);
30d27b04
JM		 4213#ifdef CONFIG_DPP
4214 wpas_dpp_cancel_remain_on_channel_cb(
4215 wpa_s, data->remain_on_channel.freq);
4216#endif /* CONFIG_DPP */
9bae1be0 4217 break;
a8e0505b
JM		 4218 case EVENT_EAPOL_RX:
4219 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4220 data->eapol_rx.data,
4221 data->eapol_rx.data_len);
4222 break;
e2f74005 4223 case EVENT_SIGNAL_CHANGE:
0cd86028
JM		 4224 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4225 "above=%d signal=%d noise=%d txrate=%d",
4226 data->signal_change.above_threshold,
4227 data->signal_change.current_signal,
4228 data->signal_change.current_noise,
4229 data->signal_change.current_txrate);
71d77adb
MM		 4230 wpa_bss_update_level(wpa_s->current_bss,
4231 data->signal_change.current_signal);
e2f74005 4232 bgscan_notify_signal_change(
60a972a6 4233 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 4234 data->signal_change.current_signal,
4235 data->signal_change.current_noise,
4236 data->signal_change.current_txrate);
e2f74005 4237 break;
8401a6b0 4238 case EVENT_INTERFACE_ENABLED:
f049052b 4239 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 4240 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 4241 wpa_supplicant_update_mac_addr(wpa_s);
782e2f78
IP		 4242 if (wpa_s->p2p_mgmt) {
4243 wpa_supplicant_set_state(wpa_s,
4244 WPA_DISCONNECTED);
4245 break;
4246 }
4247
199716ad 4248#ifdef CONFIG_AP
9919f7a2
JB		 4249 if (!wpa_s->ap_iface) {
4250 wpa_supplicant_set_state(wpa_s,
4251 WPA_DISCONNECTED);
635874b5 4252 wpa_s->scan_req = NORMAL_SCAN_REQ;
9919f7a2
JB		 4253 wpa_supplicant_req_scan(wpa_s, 0, 0);
4254 } else
4255 wpa_supplicant_set_state(wpa_s,
4256 WPA_COMPLETED);
199716ad
BG		 4257#else /* CONFIG_AP */
4258 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4259 wpa_supplicant_req_scan(wpa_s, 0, 0);
4260#endif /* CONFIG_AP */
8401a6b0
JM		 4261 }
4262 break;
4263 case EVENT_INTERFACE_DISABLED:
f049052b 4264 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
6f72577f
IP		 4265#ifdef CONFIG_P2P
4266 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
4267 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
4268 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
635874b5
JM		 4269 /*
4270 * Mark interface disabled if this happens to end up not
4271 * being removed as a separate P2P group interface.
4272 */
4273 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6f72577f
IP		 4274 /*
4275 * The interface was externally disabled. Remove
4276 * it assuming an external entity will start a
4277 * new session if needed.
4278 */
8f2cf379
JM		 4279 if (wpa_s->current_ssid &&
4280 wpa_s->current_ssid->p2p_group)
4281 wpas_p2p_interface_unavailable(wpa_s);
4282 else
4283 wpas_p2p_disconnect(wpa_s);
635874b5
JM		 4284 /*
4285 * wpa_s instance may have been freed, so must not use
4286 * it here anymore.
4287 */
6f72577f
IP		 4288 break;
4289 }
c71c2416
JM		 4290 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
4291 p2p_in_progress(wpa_s->global->p2p) > 1) {
4292 /* This radio work will be cancelled, so clear P2P
4293 * state as well.
4294 */
4295 p2p_stop_find(wpa_s->global->p2p);
4296 }
6f72577f
IP		 4297#endif /* CONFIG_P2P */
4298
b7a6702f
JM		 4299 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
4300 /*
4301 * Indicate disconnection to keep ctrl_iface events
4302 * consistent.
4303 */
4304 wpa_supplicant_event_disassoc(
4305 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4306 }
8401a6b0 4307 wpa_supplicant_mark_disassoc(wpa_s);
14220fe6 4308 wpa_bss_flush(wpa_s);
b3253ebb
AO		 4309 radio_remove_works(wpa_s, NULL, 0);
4310
8401a6b0
JM		 4311 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4312 break;
b5c9da8d 4313 case EVENT_CHANNEL_LIST_CHANGED:
142817b2
JM		 4314 wpa_supplicant_update_channel_list(
4315 wpa_s, &data->channel_list_changed);
c973f386
JM		 4316 break;
4317 case EVENT_INTERFACE_UNAVAILABLE:
c973f386 4318 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 4319 break;
4320 case EVENT_BEST_CHANNEL:
f049052b
BG		 4321 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4322 "(%d %d %d)",
4323 data->best_chan.freq_24, data->best_chan.freq_5,
4324 data->best_chan.freq_overall);
7cfc4ac3
AGS		 4325 wpa_s->best_24_freq = data->best_chan.freq_24;
4326 wpa_s->best_5_freq = data->best_chan.freq_5;
4327 wpa_s->best_overall_freq = data->best_chan.freq_overall;
7cfc4ac3
AGS		 4328 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4329 data->best_chan.freq_5,
4330 data->best_chan.freq_overall);
b5c9da8d 4331 break;
7d878ca7
JM		 4332 case EVENT_UNPROT_DEAUTH:
4333 wpa_supplicant_event_unprot_deauth(wpa_s,
4334 &data->unprot_deauth);
4335 break;
4336 case EVENT_UNPROT_DISASSOC:
4337 wpa_supplicant_event_unprot_disassoc(wpa_s,
4338 &data->unprot_disassoc);
4339 break;
0d7e5a3a
JB		 4340 case EVENT_STATION_LOW_ACK:
4341#ifdef CONFIG_AP
4342 if (wpa_s->ap_iface && data)
4343 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4344 data->low_ack.addr);
4345#endif /* CONFIG_AP */
8f15f711
AN		 4346#ifdef CONFIG_TDLS
4347 if (data)
947f900f
AN		 4348 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4349 data->low_ack.addr);
8f15f711 4350#endif /* CONFIG_TDLS */
0d7e5a3a 4351 break;
ea244d21
XC		 4352 case EVENT_IBSS_PEER_LOST:
4353#ifdef CONFIG_IBSS_RSN
4354 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4355#endif /* CONFIG_IBSS_RSN */
4356 break;
b14a210c
JB		 4357 case EVENT_DRIVER_GTK_REKEY:
4358 if (os_memcmp(data->driver_gtk_rekey.bssid,
4359 wpa_s->bssid, ETH_ALEN))
4360 break;
4361 if (!wpa_s->wpa)
4362 break;
4363 wpa_sm_update_replay_ctr(wpa_s->wpa,
4364 data->driver_gtk_rekey.replay_ctr);
4365 break;
cbdf3507
LC		 4366 case EVENT_SCHED_SCAN_STOPPED:
4367 wpa_s->sched_scanning = 0;
bef5e9a8 4368 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
cbdf3507
LC		 4369 wpa_supplicant_notify_scanning(wpa_s, 0);
4370
9b6f44cb
JM		 4371 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4372 break;
4373
14f34a73
AS		 4374 /*
4375 * If the driver stopped scanning without being requested to,
4376 * request a new scan to continue scanning for networks.
4377 */
4378 if (!wpa_s->sched_scan_stop_req &&
4379 wpa_s->wpa_state == WPA_SCANNING) {
4380 wpa_dbg(wpa_s, MSG_DEBUG,
4381 "Restart scanning after unexpected sched_scan stop event");
4382 wpa_supplicant_req_scan(wpa_s, 1, 0);
4383 break;
4384 }
4385
4386 wpa_s->sched_scan_stop_req = 0;
4387
cbdf3507 4388 /*
cf70d298
RM		 4389 * Start a new sched scan to continue searching for more SSIDs
4390 * either if timed out or PNO schedule scan is pending.
cbdf3507 4391 */
5e3ddf4d
AB		 4392 if (wpa_s->sched_scan_timed_out) {
4393 wpa_supplicant_req_sched_scan(wpa_s);
4394 } else if (wpa_s->pno_sched_pending) {
4395 wpa_s->pno_sched_pending = 0;
4396 wpas_start_pno(wpa_s);
02e122a9
DS		 4397 } else if (resched) {
4398 wpa_supplicant_req_scan(wpa_s, 0, 0);
cf70d298
RM		 4399 }
4400
cbdf3507 4401 break;
783fcb7d
GG		 4402 case EVENT_WPS_BUTTON_PUSHED:
4403#ifdef CONFIG_WPS
4404 wpas_wps_start_pbc(wpa_s, NULL, 0);
4405#endif /* CONFIG_WPS */
4406 break;
253f2e37
AH		 4407 case EVENT_AVOID_FREQUENCIES:
4408 wpa_supplicant_notify_avoid_freq(wpa_s, data);
4409 break;
3140803b
RM		 4410 case EVENT_CONNECT_FAILED_REASON:
4411#ifdef CONFIG_AP
4412 if (!wpa_s->ap_iface || !data)
4413 break;
4414 hostapd_event_connect_failed_reason(
4415 wpa_s->ap_iface->bss[0],
4416 data->connect_failed_reason.addr,
4417 data->connect_failed_reason.code);
4418#endif /* CONFIG_AP */
4419 break;
8319e312 4420 case EVENT_NEW_PEER_CANDIDATE:
eac02316
MH		 4421#ifdef CONFIG_MESH
4422 if (!wpa_s->ifmsh || !data)
4423 break;
8319e312
TP		 4424 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4425 data->mesh_peer.ies,
4426 data->mesh_peer.ie_len);
eac02316 4427#endif /* CONFIG_MESH */
8319e312 4428 break;
96bc5086
TB		 4429 case EVENT_SURVEY:
4430#ifdef CONFIG_AP
4431 if (!wpa_s->ap_iface)
4432 break;
4433 hostapd_event_get_survey(wpa_s->ap_iface,
4434 &data->survey_results);
4435#endif /* CONFIG_AP */
4436 break;
d9909717 4437 case EVENT_ACS_CHANNEL_SELECTED:
34e8bfd7 4438#ifdef CONFIG_AP
d9909717
TB		 4439#ifdef CONFIG_ACS
4440 if (!wpa_s->ap_iface)
4441 break;
4442 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4443 &data->acs_selected_channels);
4444#endif /* CONFIG_ACS */
34e8bfd7 4445#endif /* CONFIG_AP */
d9909717 4446 break;
a6f5b193
PX		 4447 case EVENT_P2P_LO_STOP:
4448#ifdef CONFIG_P2P
4449 wpa_s->p2p_lo_started = 0;
4450 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4451 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4452 data->p2p_lo_stop.reason_code);
4453#endif /* CONFIG_P2P */
4454 break;
0f9b4a0f
JM		 4455 case EVENT_BEACON_LOSS:
4456 if (!wpa_s->current_bss || !wpa_s->current_ssid)
4457 break;
4458 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
4459 bgscan_notify_beacon_loss(wpa_s);
4460 break;
6fc6879b 4461 default:
f049052b 4462 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 4463 break;
4464 }
4465}
45e3fc72
RM		 4466
4467
4468void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4469 union wpa_event_data *data)
4470{
4471 struct wpa_supplicant *wpa_s;
4472
4473 if (event != EVENT_INTERFACE_STATUS)
4474 return;
4475
4476 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4477 if (wpa_s && wpa_s->driver->get_ifindex) {
4478 unsigned int ifindex;
4479
4480 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4481 if (ifindex != data->interface_status.ifindex) {
4482 wpa_dbg(wpa_s, MSG_DEBUG,
4483 "interface status ifindex %d mismatch (%d)",
4484 ifindex, data->interface_status.ifindex);
4485 return;
4486 }
4487 }
2e997eec
RM		 4488#ifdef CONFIG_MATCH_IFACE
4489 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4490 struct wpa_interface *wpa_i;
4491
4492 wpa_i = wpa_supplicant_match_iface(
4493 ctx, data->interface_status.ifname);
4494 if (!wpa_i)
4495 return;
4496 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
4497 os_free(wpa_i);
4498 if (wpa_s)
4499 wpa_s->matched = 1;
4500 }
4501#endif /* CONFIG_MATCH_IFACE */
45e3fc72
RM		 4502
4503 if (wpa_s)
4504 wpa_supplicant_event(wpa_s, event, data);
4505}
Unnamed repository; edit this file 'description' to name the repository.