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MBO/OCE: Work around misbehaving MBO/OCE APs that use RSN without PMF
[thirdparty/hostap.git] / wpa_supplicant / events.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - Driver event processing
e3b5bd81 3 * Copyright (c) 2003-2019, 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"
461d39af 31#include "common/gas_server.h"
10ec6a5f 32#include "common/dpp.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
91073cca
SD		 54#define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
55
56
5d5c4ee5 57#ifndef CONFIG_NO_SCAN_PROCESSING
06b7f58d 58static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 59 int new_scan, int own_request);
5d5c4ee5 60#endif /* CONFIG_NO_SCAN_PROCESSING */
d6bbcce4
JM		 61
62
3d5f0e91 63int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
00e5e3d5 64{
4e1eae1d 65 struct os_reltime now;
00e5e3d5
JM		 66
67 if (ssid == NULL || ssid->disabled_until.sec == 0)
68 return 0;
69
4e1eae1d 70 os_get_reltime(&now);
00e5e3d5
JM		 71 if (ssid->disabled_until.sec > now.sec)
72 return ssid->disabled_until.sec - now.sec;
73
74 wpas_clear_temp_disabled(wpa_s, ssid, 0);
75
76 return 0;
77}
78
79
eb926f12 80#ifndef CONFIG_NO_SCAN_PROCESSING
9bd566a3
AS		 81/**
82 * wpas_reenabled_network_time - Time until first network is re-enabled
83 * @wpa_s: Pointer to wpa_supplicant data
84 * Returns: If all enabled networks are temporarily disabled, returns the time
85 * (in sec) until the first network is re-enabled. Otherwise returns 0.
86 *
87 * This function is used in case all enabled networks are temporarily disabled,
88 * in which case it returns the time (in sec) that the first network will be
89 * re-enabled. The function assumes that at least one network is enabled.
90 */
91static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
92{
93 struct wpa_ssid *ssid;
94 int disabled_for, res = 0;
95
96#ifdef CONFIG_INTERWORKING
97 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
98 wpa_s->conf->cred)
99 return 0;
100#endif /* CONFIG_INTERWORKING */
101
102 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
103 if (ssid->disabled)
104 continue;
105
106 disabled_for = wpas_temp_disabled(wpa_s, ssid);
107 if (!disabled_for)
108 return 0;
109
110 if (!res || disabled_for < res)
111 res = disabled_for;
112 }
113
114 return res;
115}
eb926f12 116#endif /* CONFIG_NO_SCAN_PROCESSING */
9bd566a3
AS		 117
118
119void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
120{
121 struct wpa_supplicant *wpa_s = eloop_ctx;
122
123 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
124 return;
125
126 wpa_dbg(wpa_s, MSG_DEBUG,
127 "Try to associate due to network getting re-enabled");
128 if (wpa_supplicant_fast_associate(wpa_s) != 1) {
129 wpa_supplicant_cancel_sched_scan(wpa_s);
130 wpa_supplicant_req_scan(wpa_s, 0, 0);
131 }
132}
133
134
5cd47405
JM		 135static struct wpa_bss * wpa_supplicant_get_new_bss(
136 struct wpa_supplicant *wpa_s, const u8 *bssid)
137{
138 struct wpa_bss *bss = NULL;
139 struct wpa_ssid *ssid = wpa_s->current_ssid;
140
141 if (ssid->ssid_len > 0)
142 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
143 if (!bss)
144 bss = wpa_bss_get_bssid(wpa_s, bssid);
145
146 return bss;
147}
148
149
068e3877
JM		 150static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
151{
152 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
153
154 if (!bss) {
155 wpa_supplicant_update_scan_results(wpa_s);
156
157 /* Get the BSS from the new scan results */
158 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
159 }
160
161 if (bss)
162 wpa_s->current_bss = bss;
163}
164
165
6fc6879b
JM		 166static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
167{
8bac466b 168 struct wpa_ssid *ssid, *old_ssid;
eaa8eefe 169 u8 drv_ssid[SSID_MAX_LEN];
c41d0840 170 size_t drv_ssid_len;
00e5e3d5 171 int res;
6fc6879b 172
068e3877
JM		 173 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
174 wpa_supplicant_update_current_bss(wpa_s);
c41d0840
KV		 175
176 if (wpa_s->current_ssid->ssid_len == 0)
177 return 0; /* current profile still in use */
178 res = wpa_drv_get_ssid(wpa_s, drv_ssid);
179 if (res < 0) {
180 wpa_msg(wpa_s, MSG_INFO,
181 "Failed to read SSID from driver");
182 return 0; /* try to use current profile */
183 }
184 drv_ssid_len = res;
185
186 if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
187 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
188 drv_ssid_len) == 0)
189 return 0; /* current profile still in use */
190
191 wpa_msg(wpa_s, MSG_DEBUG,
192 "Driver-initiated BSS selection changed the SSID to %s",
193 wpa_ssid_txt(drv_ssid, drv_ssid_len));
194 /* continue selecting a new network profile */
068e3877 195 }
6fc6879b 196
f049052b
BG		 197 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
198 "information");
6fc6879b
JM		 199 ssid = wpa_supplicant_get_ssid(wpa_s);
200 if (ssid == NULL) {
f049052b
BG		 201 wpa_msg(wpa_s, MSG_INFO,
202 "No network configuration found for the current AP");
6fc6879b
JM		 203 return -1;
204 }
205
349493bd 206 if (wpas_network_disabled(wpa_s, ssid)) {
f049052b 207 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
6fc6879b
JM		 208 return -1;
209 }
210
6407f413
JM		 211 if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
212 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
213 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
214 return -1;
215 }
216
00e5e3d5
JM		 217 res = wpas_temp_disabled(wpa_s, ssid);
218 if (res > 0) {
219 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
220 "disabled for %d second(s)", res);
221 return -1;
222 }
223
f049052b
BG		 224 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
225 "current AP");
0bf927a0 226 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
6fc6879b
JM		 227 u8 wpa_ie[80];
228 size_t wpa_ie_len = sizeof(wpa_ie);
cbf61176
JM		 229 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
230 wpa_ie, &wpa_ie_len) < 0)
231 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
6fc6879b
JM		 232 } else {
233 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
234 }
235
236 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
237 eapol_sm_invalidate_cached_session(wpa_s->eapol);
8bac466b 238 old_ssid = wpa_s->current_ssid;
6fc6879b 239 wpa_s->current_ssid = ssid;
5cd47405 240
068e3877 241 wpa_supplicant_update_current_bss(wpa_s);
5cd47405 242
6fc6879b
JM		 243 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
244 wpa_supplicant_initiate_eapol(wpa_s);
8bac466b
JM		 245 if (old_ssid != wpa_s->current_ssid)
246 wpas_notify_network_changed(wpa_s);
6fc6879b
JM		 247
248 return 0;
249}
250
251
01a17491 252void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
6fc6879b
JM		 253{
254 struct wpa_supplicant *wpa_s = eloop_ctx;
255
256 if (wpa_s->countermeasures) {
257 wpa_s->countermeasures = 0;
258 wpa_drv_set_countermeasures(wpa_s, 0);
259 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
f1609f11
IP		 260
261 /*
262 * It is possible that the device is sched scanning, which means
263 * that a connection attempt will be done only when we receive
264 * scan results. However, in this case, it would be preferable
265 * to scan and connect immediately, so cancel the sched_scan and
266 * issue a regular scan flow.
267 */
268 wpa_supplicant_cancel_sched_scan(wpa_s);
6fc6879b
JM		 269 wpa_supplicant_req_scan(wpa_s, 0, 0);
270 }
271}
272
273
274void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
275{
8bac466b
JM		 276 int bssid_changed;
277
b6668734
JM		 278 wnm_bss_keep_alive_deinit(wpa_s);
279
78177a00
JM		 280#ifdef CONFIG_IBSS_RSN
281 ibss_rsn_deinit(wpa_s->ibss_rsn);
282 wpa_s->ibss_rsn = NULL;
283#endif /* CONFIG_IBSS_RSN */
284
ca62e114
JM		 285#ifdef CONFIG_AP
286 wpa_supplicant_ap_deinit(wpa_s);
287#endif /* CONFIG_AP */
288
ece4ac5f
MG		 289#ifdef CONFIG_HS20
290 /* Clear possibly configured frame filters */
291 wpa_drv_configure_frame_filters(wpa_s, 0);
292#endif /* CONFIG_HS20 */
293
8401a6b0
JM		 294 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
295 return;
296
2bbad1c7
MW		 297 if (os_reltime_initialized(&wpa_s->session_start)) {
298 os_reltime_age(&wpa_s->session_start, &wpa_s->session_length);
299 wpa_s->session_start.sec = 0;
300 wpa_s->session_start.usec = 0;
301 wpas_notify_session_length(wpa_s);
302 }
303
6fc6879b 304 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
8bac466b 305 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
6fc6879b
JM		 306 os_memset(wpa_s->bssid, 0, ETH_ALEN);
307 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
4e70bbf1 308 sme_clear_on_disassoc(wpa_s);
be8be671 309 wpa_s->current_bss = NULL;
3c85f144 310 wpa_s->assoc_freq = 0;
8fd0f0f3 311
8bac466b
JM		 312 if (bssid_changed)
313 wpas_notify_bssid_changed(wpa_s);
314
6fc6879b
JM		 315 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
316 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
a1ea1b45 317 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
567da5bb 318 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
b0b25c5b 319 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port)
6fc6879b 320 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
b0b25c5b 321 wpa_s->drv_authorized_port = 0;
6fc6879b 322 wpa_s->ap_ies_from_associnfo = 0;
0d30cc24 323 wpa_s->current_ssid = NULL;
25a8f9e3 324 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
0d30cc24 325 wpa_s->key_mgmt = 0;
b361d580
AK		 326
327 wpas_rrm_reset(wpa_s);
03ed0a52 328 wpa_s->wnmsleep_used = 0;
d514b502 329 wnm_clear_coloc_intf_reporting(wpa_s);
2e06cef8 330 wpa_s->disable_mbo_oce = 0;
16579769
JM		 331
332#ifdef CONFIG_TESTING_OPTIONS
333 wpa_s->last_tk_alg = WPA_ALG_NONE;
334 os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
335#endif /* CONFIG_TESTING_OPTIONS */
d7f038de 336 wpa_s->ieee80211ac = 0;
5abc7823
VN		 337
338 if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
339 wpa_s->enabled_4addr_mode = 0;
6fc6879b
JM		 340}
341
342
343static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
344{
345 struct wpa_ie_data ie;
346 int pmksa_set = -1;
347 size_t i;
348
349 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
350 ie.pmkid == NULL)
351 return;
352
353 for (i = 0; i < ie.num_pmkid; i++) {
354 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
355 ie.pmkid + i * PMKID_LEN,
852b2f27 356 NULL, NULL, 0, NULL, 0);
6fc6879b 357 if (pmksa_set == 0) {
ba422613 358 eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
6fc6879b
JM		 359 break;
360 }
361 }
362
f049052b
BG		 363 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
364 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
6fc6879b
JM		 365}
366
367
368static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
369 union wpa_event_data *data)
370{
371 if (data == NULL) {
f049052b
BG		 372 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
373 "event");
6fc6879b
JM		 374 return;
375 }
f049052b
BG		 376 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
377 " index=%d preauth=%d",
378 MAC2STR(data->pmkid_candidate.bssid),
379 data->pmkid_candidate.index,
380 data->pmkid_candidate.preauth);
6fc6879b
JM		 381
382 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
383 data->pmkid_candidate.index,
384 data->pmkid_candidate.preauth);
385}
386
387
388static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
389{
390 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
391 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
392 return 0;
393
394#ifdef IEEE8021X_EAPOL
395 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
396 wpa_s->current_ssid &&
397 !(wpa_s->current_ssid->eapol_flags &
398 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
399 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
400 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
401 * plaintext or static WEP keys). */
402 return 0;
403 }
404#endif /* IEEE8021X_EAPOL */
405
406 return 1;
407}
408
409
410/**
411 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
412 * @wpa_s: pointer to wpa_supplicant data
413 * @ssid: Configuration data for the network
414 * Returns: 0 on success, -1 on failure
415 *
416 * This function is called when starting authentication with a network that is
417 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
418 */
419int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
420 struct wpa_ssid *ssid)
421{
422#ifdef IEEE8021X_EAPOL
b832d34c 423#ifdef PCSC_FUNCS
eb324600 424 int aka = 0, sim = 0;
6fc6879b 425
62f736dd
JT		 426 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
427 wpa_s->scard != NULL || wpa_s->conf->external_sim)
6fc6879b
JM		 428 return 0;
429
62f736dd 430 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
6fc6879b
JM		 431 sim = 1;
432 aka = 1;
433 } else {
434 struct eap_method_type *eap = ssid->eap.eap_methods;
435 while (eap->vendor != EAP_VENDOR_IETF ||
436 eap->method != EAP_TYPE_NONE) {
437 if (eap->vendor == EAP_VENDOR_IETF) {
438 if (eap->method == EAP_TYPE_SIM)
439 sim = 1;
3d332fe7
JM		 440 else if (eap->method == EAP_TYPE_AKA ||
441 eap->method == EAP_TYPE_AKA_PRIME)
6fc6879b
JM		 442 aka = 1;
443 }
444 eap++;
445 }
446 }
447
448 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
449 sim = 0;
3d332fe7
JM		 450 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
451 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
452 NULL)
6fc6879b
JM		 453 aka = 0;
454
455 if (!sim && !aka) {
f049052b
BG		 456 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
457 "use SIM, but neither EAP-SIM nor EAP-AKA are "
458 "enabled");
6fc6879b
JM		 459 return 0;
460 }
461
f049052b
BG		 462 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
463 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
eb324600 464
5a620604 465 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
6fc6879b 466 if (wpa_s->scard == NULL) {
f049052b
BG		 467 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
468 "(pcsc-lite)");
6fc6879b
JM		 469 return -1;
470 }
471 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
472 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
b832d34c 473#endif /* PCSC_FUNCS */
6fc6879b
JM		 474#endif /* IEEE8021X_EAPOL */
475
476 return 0;
477}
478
479
480#ifndef CONFIG_NO_SCAN_PROCESSING
86bd1410
JM		 481
482static int has_wep_key(struct wpa_ssid *ssid)
483{
484 int i;
485
486 for (i = 0; i < NUM_WEP_KEYS; i++) {
487 if (ssid->wep_key_len[i])
488 return 1;
489 }
490
491 return 0;
492}
493
494
620c7837 495static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
6fc6879b
JM		 496 struct wpa_ssid *ssid)
497{
86bd1410 498 int privacy = 0;
6fc6879b
JM		 499
500 if (ssid->mixed_cell)
501 return 1;
502
0632542b
AT		 503#ifdef CONFIG_WPS
504 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
505 return 1;
506#endif /* CONFIG_WPS */
507
c1790a5f
JM		 508#ifdef CONFIG_OWE
509 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
510 return 1;
511#endif /* CONFIG_OWE */
512
86bd1410
JM		 513 if (has_wep_key(ssid))
514 privacy = 1;
515
6fc6879b
JM		 516#ifdef IEEE8021X_EAPOL
517 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
518 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
519 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
520 privacy = 1;
521#endif /* IEEE8021X_EAPOL */
522
29fbc522
JM		 523 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
524 privacy = 1;
525
df0f01d9
JM		 526 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
527 privacy = 1;
528
6fc6879b
JM		 529 if (bss->caps & IEEE80211_CAP_PRIVACY)
530 return privacy;
531 return !privacy;
532}
533
534
a6099152
JM		 535static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
536 struct wpa_ssid *ssid,
e65a87b3 537 struct wpa_bss *bss, int debug_print)
6fc6879b
JM		 538{
539 struct wpa_ie_data ie;
540 int proto_match = 0;
541 const u8 *rsn_ie, *wpa_ie;
351f09a2 542 int ret;
43882f1e 543 int wep_ok;
6fc6879b 544
a6099152 545 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
351f09a2
JM		 546 if (ret >= 0)
547 return ret;
ad08c363 548
43882f1e
JM		 549 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
550 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
551 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
552 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
553 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
554
620c7837 555 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
f5a60216 556 while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) {
6fc6879b
JM		 557 proto_match++;
558
559 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
e65a87b3
JM		 560 if (debug_print)
561 wpa_dbg(wpa_s, MSG_DEBUG,
562 " skip RSN IE - parse failed");
6fc6879b
JM		 563 break;
564 }
2c129a1b
LD		 565 if (!ie.has_pairwise)
566 ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq);
567 if (!ie.has_group)
568 ie.group_cipher = wpa_default_rsn_cipher(bss->freq);
43882f1e
JM		 569
570 if (wep_ok &&
571 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
572 {
e65a87b3
JM		 573 if (debug_print)
574 wpa_dbg(wpa_s, MSG_DEBUG,
575 " selected based on TSN in RSN IE");
43882f1e
JM		 576 return 1;
577 }
578
f5a60216
JM		 579 if (!(ie.proto & ssid->proto) &&
580 !(ssid->proto & WPA_PROTO_OSEN)) {
e65a87b3
JM		 581 if (debug_print)
582 wpa_dbg(wpa_s, MSG_DEBUG,
583 " skip RSN IE - proto mismatch");
6fc6879b
JM		 584 break;
585 }
586
587 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 588 if (debug_print)
589 wpa_dbg(wpa_s, MSG_DEBUG,
590 " skip RSN IE - PTK cipher mismatch");
6fc6879b
JM		 591 break;
592 }
593
594 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 595 if (debug_print)
596 wpa_dbg(wpa_s, MSG_DEBUG,
597 " skip RSN IE - GTK cipher mismatch");
6fc6879b
JM		 598 break;
599 }
600
61a56c14
JM		 601 if (ssid->group_mgmt_cipher &&
602 !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
603 if (debug_print)
604 wpa_dbg(wpa_s, MSG_DEBUG,
605 " skip RSN IE - group mgmt cipher mismatch");
606 break;
607 }
608
6fc6879b 609 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 610 if (debug_print)
611 wpa_dbg(wpa_s, MSG_DEBUG,
612 " skip RSN IE - key mgmt mismatch");
6fc6879b
JM		 613 break;
614 }
615
0b60b0aa 616 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
3f56a2b7 617 wpas_get_ssid_pmf(wpa_s, ssid) ==
62d49803 618 MGMT_FRAME_PROTECTION_REQUIRED) {
e65a87b3
JM		 619 if (debug_print)
620 wpa_dbg(wpa_s, MSG_DEBUG,
621 " skip RSN IE - no mgmt frame protection");
6fc6879b
JM		 622 break;
623 }
fa464267
JM		 624 if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
625 wpas_get_ssid_pmf(wpa_s, ssid) ==
626 NO_MGMT_FRAME_PROTECTION) {
e65a87b3
JM		 627 if (debug_print)
628 wpa_dbg(wpa_s, MSG_DEBUG,
629 " skip RSN IE - no mgmt frame protection enabled but AP requires it");
fa464267
JM		 630 break;
631 }
6fc6879b 632
e65a87b3
JM		 633 if (debug_print)
634 wpa_dbg(wpa_s, MSG_DEBUG,
635 " selected based on RSN IE");
6fc6879b
JM		 636 return 1;
637 }
638
c1790a5f
JM		 639 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
640 (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
e65a87b3
JM		 641 if (debug_print)
642 wpa_dbg(wpa_s, MSG_DEBUG,
643 " skip - MFP Required but network not MFP Capable");
03626e91
SD		 644 return 0;
645 }
03626e91 646
620c7837 647 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
6fc6879b
JM		 648 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
649 proto_match++;
650
651 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
e65a87b3
JM		 652 if (debug_print)
653 wpa_dbg(wpa_s, MSG_DEBUG,
654 " skip WPA IE - parse failed");
6fc6879b
JM		 655 break;
656 }
43882f1e
JM		 657
658 if (wep_ok &&
659 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
660 {
e65a87b3
JM		 661 if (debug_print)
662 wpa_dbg(wpa_s, MSG_DEBUG,
663 " selected based on TSN in WPA IE");
43882f1e
JM		 664 return 1;
665 }
666
6fc6879b 667 if (!(ie.proto & ssid->proto)) {
e65a87b3
JM		 668 if (debug_print)
669 wpa_dbg(wpa_s, MSG_DEBUG,
670 " skip WPA IE - proto mismatch");
6fc6879b
JM		 671 break;
672 }
673
674 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
e65a87b3
JM		 675 if (debug_print)
676 wpa_dbg(wpa_s, MSG_DEBUG,
677 " skip WPA IE - PTK cipher mismatch");
6fc6879b
JM		 678 break;
679 }
680
681 if (!(ie.group_cipher & ssid->group_cipher)) {
e65a87b3
JM		 682 if (debug_print)
683 wpa_dbg(wpa_s, MSG_DEBUG,
684 " skip WPA IE - GTK cipher mismatch");
6fc6879b
JM		 685 break;
686 }
687
688 if (!(ie.key_mgmt & ssid->key_mgmt)) {
e65a87b3
JM		 689 if (debug_print)
690 wpa_dbg(wpa_s, MSG_DEBUG,
691 " skip WPA IE - key mgmt mismatch");
6fc6879b
JM		 692 break;
693 }
694
e65a87b3
JM		 695 if (debug_print)
696 wpa_dbg(wpa_s, MSG_DEBUG,
697 " selected based on WPA IE");
6fc6879b
JM		 698 return 1;
699 }
700
a3f7e518
JM		 701 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
702 !rsn_ie) {
e65a87b3
JM		 703 if (debug_print)
704 wpa_dbg(wpa_s, MSG_DEBUG,
705 " allow for non-WPA IEEE 802.1X");
a3f7e518
JM		 706 return 1;
707 }
708
c1790a5f
JM		 709#ifdef CONFIG_OWE
710 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
711 !wpa_ie && !rsn_ie) {
91073cca
SD		 712 if (wpa_s->owe_transition_select &&
713 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
714 ssid->owe_transition_bss_select_count + 1 <=
715 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
716 ssid->owe_transition_bss_select_count++;
717 if (debug_print)
718 wpa_dbg(wpa_s, MSG_DEBUG,
719 " skip OWE transition BSS (selection count %d does not exceed %d)",
720 ssid->owe_transition_bss_select_count,
721 MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
a5e6270f 722 wpa_s->owe_transition_search = 1;
91073cca
SD		 723 return 0;
724 }
c1790a5f
JM		 725 if (debug_print)
726 wpa_dbg(wpa_s, MSG_DEBUG,
727 " allow in OWE transition mode");
728 return 1;
729 }
730#endif /* CONFIG_OWE */
731
cc5e390d 732 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
df83fb7d 733 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
e65a87b3
JM		 734 if (debug_print)
735 wpa_dbg(wpa_s, MSG_DEBUG,
736 " skip - no WPA/RSN proto match");
cc5e390d
JM		 737 return 0;
738 }
6fc6879b 739
df0f01d9
JM		 740 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
741 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
e65a87b3
JM		 742 if (debug_print)
743 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
df0f01d9
JM		 744 return 1;
745 }
746
c2f1fe41 747 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
e65a87b3
JM		 748 if (debug_print)
749 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
c2f1fe41
JM		 750 return 1;
751 }
752
e65a87b3
JM		 753 if (debug_print)
754 wpa_dbg(wpa_s, MSG_DEBUG,
755 " reject due to mismatch with WPA/WPA2");
c2f1fe41
JM		 756
757 return 0;
6fc6879b
JM		 758}
759
760
b766a9a2
JM		 761static int freq_allowed(int *freqs, int freq)
762{
763 int i;
764
765 if (freqs == NULL)
766 return 1;
767
768 for (i = 0; freqs[i]; i++)
769 if (freqs[i] == freq)
770 return 1;
771 return 0;
772}
773
774
e65a87b3
JM		 775static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
776 int debug_print)
e1e8cae3
CL		 777{
778 const struct hostapd_hw_modes *mode = NULL, *modes;
779 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
780 const u8 *rate_ie;
781 int i, j, k;
782
a6d94e1b
JM		 783 if (bss->freq == 0)
784 return 1; /* Cannot do matching without knowing band */
785
e1e8cae3
CL		 786 modes = wpa_s->hw.modes;
787 if (modes == NULL) {
788 /*
789 * The driver does not provide any additional information
790 * about the utilized hardware, so allow the connection attempt
791 * to continue.
792 */
793 return 1;
794 }
795
796 for (i = 0; i < wpa_s->hw.num_modes; i++) {
797 for (j = 0; j < modes[i].num_channels; j++) {
798 int freq = modes[i].channels[j].freq;
799 if (freq == bss->freq) {
800 if (mode &&
801 mode->mode == HOSTAPD_MODE_IEEE80211G)
802 break; /* do not allow 802.11b replace
803 * 802.11g */
804 mode = &modes[i];
805 break;
806 }
807 }
808 }
809
810 if (mode == NULL)
811 return 0;
812
813 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620c7837 814 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
e1e8cae3
CL		 815 if (rate_ie == NULL)
816 continue;
817
818 for (j = 2; j < rate_ie[1] + 2; j++) {
819 int flagged = !!(rate_ie[j] & 0x80);
820 int r = (rate_ie[j] & 0x7f) * 5;
821
822 /*
823 * IEEE Std 802.11n-2009 7.3.2.2:
824 * The new BSS Membership selector value is encoded
825 * like a legacy basic rate, but it is not a rate and
826 * only indicates if the BSS members are required to
827 * support the mandatory features of Clause 20 [HT PHY]
828 * in order to join the BSS.
829 */
830 if (flagged && ((rate_ie[j] & 0x7f) ==
831 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
832 if (!ht_supported(mode)) {
e65a87b3
JM		 833 if (debug_print)
834 wpa_dbg(wpa_s, MSG_DEBUG,
835 " hardware does not support HT PHY");
e1e8cae3
CL		 836 return 0;
837 }
838 continue;
839 }
840
c8ebeda4
MK		 841 /* There's also a VHT selector for 802.11ac */
842 if (flagged && ((rate_ie[j] & 0x7f) ==
843 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
844 if (!vht_supported(mode)) {
e65a87b3
JM		 845 if (debug_print)
846 wpa_dbg(wpa_s, MSG_DEBUG,
847 " hardware does not support VHT PHY");
c8ebeda4
MK		 848 return 0;
849 }
850 continue;
851 }
852
e1e8cae3
CL		 853 if (!flagged)
854 continue;
855
856 /* check for legacy basic rates */
857 for (k = 0; k < mode->num_rates; k++) {
858 if (mode->rates[k] == r)
859 break;
860 }
861 if (k == mode->num_rates) {
862 /*
863 * IEEE Std 802.11-2007 7.3.2.2 demands that in
864 * order to join a BSS all required rates
865 * have to be supported by the hardware.
866 */
e65a87b3
JM		 867 if (debug_print)
868 wpa_dbg(wpa_s, MSG_DEBUG,
869 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
870 r / 10, r % 10,
871 bss->freq, mode->mode, mode->num_rates);
e1e8cae3
CL		 872 return 0;
873 }
874 }
875 }
876
877 return 1;
878}
879
880
ff3ad3c5
VK		 881/*
882 * Test whether BSS is in an ESS.
883 * This is done differently in DMG (60 GHz) and non-DMG bands
884 */
885static int bss_is_ess(struct wpa_bss *bss)
886{
887 if (bss_is_dmg(bss)) {
888 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
889 IEEE80211_CAP_DMG_AP;
890 }
891
892 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
893 IEEE80211_CAP_ESS);
894}
895
896
79cd993a
ST		 897static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
898{
899 size_t i;
900
901 for (i = 0; i < ETH_ALEN; i++) {
902 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
903 return 0;
904 }
905 return 1;
906}
907
908
b83e4554
ST		 909static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
910{
911 size_t i;
912
913 for (i = 0; i < num; i++) {
79cd993a
ST		 914 const u8 *a = list + i * ETH_ALEN * 2;
915 const u8 *m = a + ETH_ALEN;
b83e4554 916
79cd993a 917 if (match_mac_mask(a, addr, m))
b83e4554
ST		 918 return 1;
919 }
920 return 0;
921}
922
923
e8b96490
JM		 924static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
925 const u8 **ret_ssid, size_t *ret_ssid_len)
926{
927#ifdef CONFIG_OWE
928 const u8 *owe, *pos, *end, *bssid;
929 u8 ssid_len;
930 struct wpa_bss *open_bss;
931
932 owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
933 if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN))
934 return;
935
936 pos = owe + 6;
937 end = owe + 2 + owe[1];
938
939 if (end - pos < ETH_ALEN + 1)
940 return;
941 bssid = pos;
942 pos += ETH_ALEN;
943 ssid_len = *pos++;
944 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
945 return;
946
947 /* Match the profile SSID against the OWE transition mode SSID on the
948 * open network. */
949 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
950 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len));
951 *ret_ssid = pos;
952 *ret_ssid_len = ssid_len;
953
954 if (bss->ssid_len > 0)
955 return;
956
957 open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
958 if (!open_bss)
959 return;
960 if (ssid_len != open_bss->ssid_len ||
961 os_memcmp(pos, open_bss->ssid, ssid_len) != 0) {
962 wpa_dbg(wpa_s, MSG_DEBUG,
963 "OWE: transition mode SSID mismatch: %s",
964 wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len));
965 return;
966 }
967
968 owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE);
969 if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) {
970 wpa_dbg(wpa_s, MSG_DEBUG,
971 "OWE: transition mode open BSS unexpected info");
972 return;
973 }
974
975 pos = owe + 6;
976 end = owe + 2 + owe[1];
977
978 if (end - pos < ETH_ALEN + 1)
979 return;
980 if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) {
981 wpa_dbg(wpa_s, MSG_DEBUG,
982 "OWE: transition mode BSSID mismatch: " MACSTR,
983 MAC2STR(pos));
984 return;
985 }
986 pos += ETH_ALEN;
987 ssid_len = *pos++;
988 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
989 return;
990 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s",
991 wpa_ssid_txt(pos, ssid_len));
992 os_memcpy(bss->ssid, pos, ssid_len);
993 bss->ssid_len = ssid_len;
994#endif /* CONFIG_OWE */
995}
996
997
84d1c0fd
AS		 998struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
999 int i, struct wpa_bss *bss,
1000 struct wpa_ssid *group,
e65a87b3 1001 int only_first_ssid, int debug_print)
6fc6879b 1002{
620c7837 1003 u8 wpa_ie_len, rsn_ie_len;
d8d940b7 1004 int wpa;
6fc6879b
JM		 1005 struct wpa_blacklist *e;
1006 const u8 *ie;
d8d940b7 1007 struct wpa_ssid *ssid;
f5a60216 1008 int osen, rsn_osen = 0;
cb06cf34
DS		 1009#ifdef CONFIG_MBO
1010 const u8 *assoc_disallow;
1011#endif /* CONFIG_MBO */
e8b96490
JM		 1012 const u8 *match_ssid;
1013 size_t match_ssid_len;
f5a60216 1014 struct wpa_ie_data data;
6fc6879b 1015
620c7837 1016 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
d8d940b7 1017 wpa_ie_len = ie ? ie[1] : 0;
6fc6879b 1018
620c7837 1019 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
d8d940b7 1020 rsn_ie_len = ie ? ie[1] : 0;
f5a60216
JM		 1021 if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 &&
1022 (data.key_mgmt & WPA_KEY_MGMT_OSEN))
1023 rsn_osen = 1;
6fc6879b 1024
df0f01d9
JM		 1025 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
1026 osen = ie != NULL;
1027
e65a87b3
JM		 1028 if (debug_print) {
1029 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
1030 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
1031 i, MAC2STR(bss->bssid),
1032 wpa_ssid_txt(bss->ssid, bss->ssid_len),
1033 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
1034 bss->freq,
1035 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
1036 " wps" : "",
1037 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
1038 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
1039 ? " p2p" : "",
1040 osen ? " osen=1" : "");
1041 }
9cf32261 1042
d8d940b7 1043 e = wpa_blacklist_get(wpa_s, bss->bssid);
5471c343
JM		 1044 if (e) {
1045 int limit = 1;
349493bd 1046 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
5471c343
JM		 1047 /*
1048 * When only a single network is enabled, we can
1049 * trigger blacklisting on the first failure. This
1050 * should not be done with multiple enabled networks to
1051 * avoid getting forced to move into a worse ESS on
1052 * single error if there are no other BSSes of the
1053 * current ESS.
1054 */
1055 limit = 0;
1056 }
1057 if (e->count > limit) {
e65a87b3
JM		 1058 if (debug_print) {
1059 wpa_dbg(wpa_s, MSG_DEBUG,
1060 " skip - blacklisted (count=%d limit=%d)",
1061 e->count, limit);
1062 }
c2197bc9 1063 return NULL;
5471c343 1064 }
d8d940b7 1065 }
6fc6879b 1066
e8b96490
JM		 1067 match_ssid = bss->ssid;
1068 match_ssid_len = bss->ssid_len;
1069 owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);
1070
1071 if (match_ssid_len == 0) {
e65a87b3
JM		 1072 if (debug_print)
1073 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
c2197bc9 1074 return NULL;
d8d940b7 1075 }
e81634cd 1076
6407f413 1077 if (disallowed_bssid(wpa_s, bss->bssid)) {
e65a87b3
JM		 1078 if (debug_print)
1079 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
6407f413
JM		 1080 return NULL;
1081 }
1082
e8b96490 1083 if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
e65a87b3
JM		 1084 if (debug_print)
1085 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
6407f413
JM		 1086 return NULL;
1087 }
1088
d8d940b7 1089 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
6fc6879b 1090
3d910ef4 1091 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
d8d940b7 1092 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
00e5e3d5 1093 int res;
ad08c363 1094
349493bd 1095 if (wpas_network_disabled(wpa_s, ssid)) {
e65a87b3
JM		 1096 if (debug_print)
1097 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
0c703df3 1098 continue;
d8d940b7 1099 }
9cf32261 1100
00e5e3d5
JM		 1101 res = wpas_temp_disabled(wpa_s, ssid);
1102 if (res > 0) {
e65a87b3
JM		 1103 if (debug_print)
1104 wpa_dbg(wpa_s, MSG_DEBUG,
1105 " skip - disabled temporarily for %d second(s)",
1106 res);
00e5e3d5
JM		 1107 continue;
1108 }
1109
ad08c363 1110#ifdef CONFIG_WPS
f648bc7d 1111 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
e65a87b3
JM		 1112 if (debug_print)
1113 wpa_dbg(wpa_s, MSG_DEBUG,
1114 " skip - blacklisted (WPS)");
f648bc7d
JM		 1115 continue;
1116 }
1117
d8d940b7
JM		 1118 if (wpa && ssid->ssid_len == 0 &&
1119 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1120 check_ssid = 0;
1121
1122 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1123 /* Only allow wildcard SSID match if an AP
1124 * advertises active WPS operation that matches
1125 * with our mode. */
1126 check_ssid = 1;
ad08c363 1127 if (ssid->ssid_len == 0 &&
a6099152 1128 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
ad08c363 1129 check_ssid = 0;
d8d940b7 1130 }
ad08c363
JM		 1131#endif /* CONFIG_WPS */
1132
7d232e23
ZC		 1133 if (ssid->bssid_set && ssid->ssid_len == 0 &&
1134 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
1135 check_ssid = 0;
1136
d8d940b7 1137 if (check_ssid &&
e8b96490
JM		 1138 (match_ssid_len != ssid->ssid_len ||
1139 os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
e65a87b3
JM		 1140 if (debug_print)
1141 wpa_dbg(wpa_s, MSG_DEBUG,
1142 " skip - SSID mismatch");
0c703df3 1143 continue;
6fc6879b 1144 }
6fc6879b 1145
d8d940b7
JM		 1146 if (ssid->bssid_set &&
1147 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
e65a87b3
JM		 1148 if (debug_print)
1149 wpa_dbg(wpa_s, MSG_DEBUG,
1150 " skip - BSSID mismatch");
0c703df3 1151 continue;
d8d940b7 1152 }
6fc6879b 1153
b83e4554
ST		 1154 /* check blacklist */
1155 if (ssid->num_bssid_blacklist &&
1156 addr_in_list(bss->bssid, ssid->bssid_blacklist,
1157 ssid->num_bssid_blacklist)) {
e65a87b3
JM		 1158 if (debug_print)
1159 wpa_dbg(wpa_s, MSG_DEBUG,
1160 " skip - BSSID blacklisted");
b83e4554
ST		 1161 continue;
1162 }
1163
1164 /* if there is a whitelist, only accept those APs */
1165 if (ssid->num_bssid_whitelist &&
1166 !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1167 ssid->num_bssid_whitelist)) {
e65a87b3
JM		 1168 if (debug_print)
1169 wpa_dbg(wpa_s, MSG_DEBUG,
1170 " skip - BSSID not in whitelist");
b83e4554
ST		 1171 continue;
1172 }
1173
e65a87b3
JM		 1174 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1175 debug_print))
0c703df3 1176 continue;
9cf32261 1177
df0f01d9 1178 if (!osen && !wpa &&
d8d940b7
JM		 1179 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1180 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
c1790a5f 1181 !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
d8d940b7 1182 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
e65a87b3
JM		 1183 if (debug_print)
1184 wpa_dbg(wpa_s, MSG_DEBUG,
1185 " skip - non-WPA network not allowed");
0c703df3 1186 continue;
6fc6879b 1187 }
9cf32261 1188
86bd1410
JM		 1189 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1190 has_wep_key(ssid)) {
e65a87b3
JM		 1191 if (debug_print)
1192 wpa_dbg(wpa_s, MSG_DEBUG,
1193 " skip - ignore WPA/WPA2 AP for WEP network block");
86bd1410
JM		 1194 continue;
1195 }
1196
f5a60216
JM		 1197 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen &&
1198 !rsn_osen) {
e65a87b3
JM		 1199 if (debug_print)
1200 wpa_dbg(wpa_s, MSG_DEBUG,
1201 " skip - non-OSEN network not allowed");
df0f01d9
JM		 1202 continue;
1203 }
1204
29fbc522 1205 if (!wpa_supplicant_match_privacy(bss, ssid)) {
e65a87b3
JM		 1206 if (debug_print)
1207 wpa_dbg(wpa_s, MSG_DEBUG,
1208 " skip - privacy mismatch");
0c703df3 1209 continue;
e81634cd
JM		 1210 }
1211
f74618cb 1212 if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) &&
70351623 1213 !bss_is_pbss(bss)) {
e65a87b3
JM		 1214 if (debug_print)
1215 wpa_dbg(wpa_s, MSG_DEBUG,
1216 " skip - not ESS, PBSS, or MBSS");
b9074912
LD		 1217 continue;
1218 }
1219
90f14962 1220 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
e65a87b3
JM		 1221 if (debug_print)
1222 wpa_dbg(wpa_s, MSG_DEBUG,
1223 " skip - PBSS mismatch (ssid %d bss %d)",
1224 ssid->pbss, bss_is_pbss(bss));
0c703df3 1225 continue;
d8d940b7 1226 }
b766a9a2 1227
d8d940b7 1228 if (!freq_allowed(ssid->freq_list, bss->freq)) {
e65a87b3
JM		 1229 if (debug_print)
1230 wpa_dbg(wpa_s, MSG_DEBUG,
1231 " skip - frequency not allowed");
0c703df3 1232 continue;
6fc6879b 1233 }
d8d940b7 1234
fac72f93 1235#ifdef CONFIG_MESH
f74618cb 1236 if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 &&
fac72f93 1237 ssid->frequency != bss->freq) {
e65a87b3
JM		 1238 if (debug_print)
1239 wpa_dbg(wpa_s, MSG_DEBUG,
1240 " skip - frequency not allowed (mesh)");
fac72f93
MH		 1241 continue;
1242 }
1243#endif /* CONFIG_MESH */
1244
e65a87b3
JM		 1245 if (!rate_match(wpa_s, bss, debug_print)) {
1246 if (debug_print)
1247 wpa_dbg(wpa_s, MSG_DEBUG,
1248 " skip - rate sets do not match");
e1e8cae3
CL		 1249 continue;
1250 }
1251
81a10a94
JM		 1252#ifndef CONFIG_IBSS_RSN
1253 if (ssid->mode == WPAS_MODE_IBSS &&
1254 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1255 WPA_KEY_MGMT_WPA_NONE))) {
e65a87b3
JM		 1256 if (debug_print)
1257 wpa_dbg(wpa_s, MSG_DEBUG,
1258 " skip - IBSS RSN not supported in the build");
81a10a94
JM		 1259 continue;
1260 }
1261#endif /* !CONFIG_IBSS_RSN */
1262
73e49269 1263#ifdef CONFIG_P2P
b72e14e5
JM		 1264 if (ssid->p2p_group &&
1265 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1266 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
e65a87b3
JM		 1267 if (debug_print)
1268 wpa_dbg(wpa_s, MSG_DEBUG,
1269 " skip - no P2P IE seen");
b72e14e5
JM		 1270 continue;
1271 }
1272
9ec87666
JM		 1273 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1274 struct wpabuf *p2p_ie;
1275 u8 dev_addr[ETH_ALEN];
1276
1277 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1278 if (ie == NULL) {
e65a87b3
JM		 1279 if (debug_print)
1280 wpa_dbg(wpa_s, MSG_DEBUG,
1281 " skip - no P2P element");
9ec87666
JM		 1282 continue;
1283 }
1284 p2p_ie = wpa_bss_get_vendor_ie_multi(
1285 bss, P2P_IE_VENDOR_TYPE);
1286 if (p2p_ie == NULL) {
e65a87b3
JM		 1287 if (debug_print)
1288 wpa_dbg(wpa_s, MSG_DEBUG,
1289 " skip - could not fetch P2P element");
9ec87666
JM		 1290 continue;
1291 }
1292
1293 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1294 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1295 ETH_ALEN) != 0) {
e65a87b3
JM		 1296 if (debug_print)
1297 wpa_dbg(wpa_s, MSG_DEBUG,
1298 " skip - no matching GO P2P Device Address in P2P element");
9ec87666
JM		 1299 wpabuf_free(p2p_ie);
1300 continue;
1301 }
1302 wpabuf_free(p2p_ie);
1303 }
1304
73e49269
JM		 1305 /*
1306 * TODO: skip the AP if its P2P IE has Group Formation
1307 * bit set in the P2P Group Capability Bitmap and we
1308 * are not in Group Formation with that device.
1309 */
1310#endif /* CONFIG_P2P */
1311
dfaf11d6
JM		 1312 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1313 {
1314 struct os_reltime diff;
1315
1316 os_reltime_sub(&wpa_s->scan_min_time,
1317 &bss->last_update, &diff);
e65a87b3
JM		 1318 if (debug_print)
1319 wpa_dbg(wpa_s, MSG_DEBUG,
1320 " skip - scan result not recent enough (%u.%06u seconds too old)",
dfaf11d6
JM		 1321 (unsigned int) diff.sec,
1322 (unsigned int) diff.usec);
1323 continue;
1324 }
cb06cf34 1325#ifdef CONFIG_MBO
6ad37d73 1326#ifdef CONFIG_TESTING_OPTIONS
1327 if (wpa_s->ignore_assoc_disallow)
1328 goto skip_assoc_disallow;
1329#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34
DS		 1330 assoc_disallow = wpas_mbo_get_bss_attr(
1331 bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1332 if (assoc_disallow && assoc_disallow[1] >= 1) {
e65a87b3
JM		 1333 if (debug_print)
1334 wpa_dbg(wpa_s, MSG_DEBUG,
1335 " skip - MBO association disallowed (reason %u)",
cb06cf34
DS		 1336 assoc_disallow[2]);
1337 continue;
1338 }
dd599908 1339
19677b77 1340 if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) {
e65a87b3
JM		 1341 if (debug_print)
1342 wpa_dbg(wpa_s, MSG_DEBUG,
19677b77 1343 " skip - AP temporarily disallowed");
dd599908
AS		 1344 continue;
1345 }
6ad37d73 1346#ifdef CONFIG_TESTING_OPTIONS
1347 skip_assoc_disallow:
1348#endif /* CONFIG_TESTING_OPTIONS */
cb06cf34 1349#endif /* CONFIG_MBO */
dfaf11d6 1350
567da5bb
JM		 1351#ifdef CONFIG_DPP
1352 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
a0d5c56f
JM		 1353 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) &&
1354 (!ssid->dpp_connector ||
1355 !ssid->dpp_netaccesskey ||
1356 !ssid->dpp_csign)) {
567da5bb
JM		 1357 if (debug_print)
1358 wpa_dbg(wpa_s, MSG_DEBUG,
1359 " skip - no PMKSA entry for DPP");
1360 continue;
1361 }
1362#endif /* CONFIG_DPP */
1363
d8d940b7
JM		 1364 /* Matching configuration found */
1365 return ssid;
6fc6879b
JM		 1366 }
1367
d8d940b7 1368 /* No matching configuration found */
c2197bc9 1369 return NULL;
9cf32261
JM		 1370}
1371
1372
6fa81a3b 1373static struct wpa_bss *
a1fd2ce5 1374wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
a1fd2ce5 1375 struct wpa_ssid *group,
3d910ef4
JM		 1376 struct wpa_ssid **selected_ssid,
1377 int only_first_ssid)
9cf32261 1378{
620c7837 1379 unsigned int i;
9cf32261 1380
e65a87b3
JM		 1381 if (wpa_s->current_ssid) {
1382 struct wpa_ssid *ssid;
1383
1384 wpa_dbg(wpa_s, MSG_DEBUG,
1385 "Scan results matching the currently selected network");
1386 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1387 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1388
1389 ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1390 only_first_ssid, 0);
1391 if (ssid != wpa_s->current_ssid)
1392 continue;
1393 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1394 " freq=%d level=%d snr=%d est_throughput=%u",
1395 i, MAC2STR(bss->bssid), bss->freq, bss->level,
1396 bss->snr, bss->est_throughput);
1397 }
1398 }
1399
3d910ef4
JM		 1400 if (only_first_ssid)
1401 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1402 group->id);
1403 else
1404 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1405 group->priority);
9cf32261 1406
620c7837
JM		 1407 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1408 struct wpa_bss *bss = wpa_s->last_scan_res[i];
91073cca
SD		 1409
1410 wpa_s->owe_transition_select = 1;
3d910ef4 1411 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
e65a87b3 1412 only_first_ssid, 1);
91073cca 1413 wpa_s->owe_transition_select = 0;
d8d940b7
JM		 1414 if (!*selected_ssid)
1415 continue;
f049052b
BG		 1416 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
1417 " ssid='%s'",
620c7837
JM		 1418 MAC2STR(bss->bssid),
1419 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1420 return bss;
d8d940b7
JM		 1421 }
1422
1423 return NULL;
6fc6879b
JM		 1424}
1425
1426
97236cee
MH		 1427struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1428 struct wpa_ssid **selected_ssid)
6fc6879b 1429{
6fa81a3b 1430 struct wpa_bss *selected = NULL;
09b9df4e 1431 int prio;
7c373ac2 1432 struct wpa_ssid *next_ssid = NULL;
a52410c2 1433 struct wpa_ssid *ssid;
09b9df4e 1434
620c7837
JM		 1435 if (wpa_s->last_scan_res == NULL ||
1436 wpa_s->last_scan_res_used == 0)
1437 return NULL; /* no scan results from last update */
1438
7c373ac2 1439 if (wpa_s->next_ssid) {
7c373ac2
JM		 1440 /* check that next_ssid is still valid */
1441 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1442 if (ssid == wpa_s->next_ssid)
1443 break;
1444 }
1445 next_ssid = ssid;
1446 wpa_s->next_ssid = NULL;
1447 }
3d910ef4 1448
7c373ac2
JM		 1449 while (selected == NULL) {
1450 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1451 if (next_ssid && next_ssid->priority ==
1452 wpa_s->conf->pssid[prio]->priority) {
3d910ef4 1453 selected = wpa_supplicant_select_bss(
7c373ac2 1454 wpa_s, next_ssid, selected_ssid, 1);
3d910ef4
JM		 1455 if (selected)
1456 break;
1457 }
09b9df4e 1458 selected = wpa_supplicant_select_bss(
620c7837 1459 wpa_s, wpa_s->conf->pssid[prio],
3d910ef4 1460 selected_ssid, 0);
09b9df4e
JM		 1461 if (selected)
1462 break;
1463 }
1464
8945cc45
BM		 1465 if (selected == NULL && wpa_s->blacklist &&
1466 !wpa_s->countermeasures) {
f049052b
BG		 1467 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1468 "blacklist and try again");
09b9df4e
JM		 1469 wpa_blacklist_clear(wpa_s);
1470 wpa_s->blacklist_cleared++;
1471 } else if (selected == NULL)
1472 break;
1473 }
1474
a52410c2
JM		 1475 ssid = *selected_ssid;
1476 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1477 !ssid->passphrase && !ssid->ext_psk) {
1478 const char *field_name, *txt = NULL;
1479
1480 wpa_dbg(wpa_s, MSG_DEBUG,
1481 "PSK/passphrase not yet available for the selected network");
1482
1483 wpas_notify_network_request(wpa_s, ssid,
1484 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1485
1486 field_name = wpa_supplicant_ctrl_req_to_string(
1487 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1488 if (field_name == NULL)
1489 return NULL;
1490
1491 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1492
1493 selected = NULL;
1494 }
1495
09b9df4e
JM		 1496 return selected;
1497}
1498
1499
1500static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
977b1174 1501 int timeout_sec, int timeout_usec)
09b9df4e 1502{
349493bd 1503 if (!wpa_supplicant_enabled_networks(wpa_s)) {
4f34d51a
SL		 1504 /*
1505 * No networks are enabled; short-circuit request so
1506 * we don't wait timeout seconds before transitioning
1507 * to INACTIVE state.
1508 */
ac06fb12
JM		 1509 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1510 "since there are no enabled networks");
4f34d51a
SL		 1511 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1512 return;
09b9df4e 1513 }
5cc70322
JM		 1514
1515 wpa_s->scan_for_connection = 1;
977b1174 1516 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
09b9df4e
JM		 1517}
1518
1519
5cbd88d9
JJ		 1520int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1521 struct wpa_bss *selected,
1522 struct wpa_ssid *ssid)
09b9df4e
JM		 1523{
1524 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1525 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1526 "PBC session overlap");
1a2f7ca1 1527 wpas_notify_wps_event_pbc_overlap(wpa_s);
b73bf0a7 1528#ifdef CONFIG_P2P
ace0fbdb
AS		 1529 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1530 wpa_s->p2p_in_provisioning) {
1531 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1532 wpa_s, NULL);
5cbd88d9 1533 return -1;
ace0fbdb 1534 }
b73bf0a7 1535#endif /* CONFIG_P2P */
199716ad
BG		 1536
1537#ifdef CONFIG_WPS
0a7b2a02 1538 wpas_wps_pbc_overlap(wpa_s);
7736f18b 1539 wpas_wps_cancel(wpa_s);
199716ad 1540#endif /* CONFIG_WPS */
5cbd88d9 1541 return -1;
09b9df4e
JM		 1542 }
1543
b0680017
JM		 1544 wpa_msg(wpa_s, MSG_DEBUG,
1545 "Considering connect request: reassociate: %d selected: "
1546 MACSTR " bssid: " MACSTR " pending: " MACSTR
1547 " wpa_state: %s ssid=%p current_ssid=%p",
1548 wpa_s->reassociate, MAC2STR(selected->bssid),
1549 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1550 wpa_supplicant_state_txt(wpa_s->wpa_state),
1551 ssid, wpa_s->current_ssid);
1552
09b9df4e
JM		 1553 /*
1554 * Do not trigger new association unless the BSSID has changed or if
1555 * reassociation is requested. If we are in process of associating with
1556 * the selected BSSID, do not trigger new attempt.
1557 */
1558 if (wpa_s->reassociate ||
1559 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
e29853bb
BG		 1560 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1561 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
b0680017
JM		 1562 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1563 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1564 0) ||
1565 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1566 ssid != wpa_s->current_ssid)))) {
09b9df4e 1567 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
977b1174 1568 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
5cbd88d9 1569 return 0;
09b9df4e 1570 }
b0680017
JM		 1571 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1572 MAC2STR(selected->bssid));
09b9df4e
JM		 1573 wpa_supplicant_associate(wpa_s, selected, ssid);
1574 } else {
b0680017
JM		 1575 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1576 "connect with the selected AP");
09b9df4e 1577 }
5cbd88d9
JJ		 1578
1579 return 0;
09b9df4e
JM		 1580}
1581
1582
b55aaa5f
JM		 1583static struct wpa_ssid *
1584wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1585{
1586 int prio;
1587 struct wpa_ssid *ssid;
1588
1589 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1590 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1591 {
349493bd 1592 if (wpas_network_disabled(wpa_s, ssid))
b55aaa5f 1593 continue;
81a10a94
JM		 1594#ifndef CONFIG_IBSS_RSN
1595 if (ssid->mode == WPAS_MODE_IBSS &&
1596 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1597 WPA_KEY_MGMT_WPA_NONE))) {
1598 wpa_msg(wpa_s, MSG_INFO,
1599 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1600 wpa_ssid_txt(ssid->ssid,
1601 ssid->ssid_len));
1602 continue;
1603 }
1604#endif /* !CONFIG_IBSS_RSN */
f74618cb
SE		 1605 if (ssid->mode == WPAS_MODE_IBSS ||
1606 ssid->mode == WPAS_MODE_AP ||
1607 ssid->mode == WPAS_MODE_MESH)
b55aaa5f
JM		 1608 return ssid;
1609 }
1610 }
1611 return NULL;
1612}
1613
1614
a1fd2ce5
JM		 1615/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1616 * on BSS added and BSS changed events */
6ae93185 1617static void wpa_supplicant_rsn_preauth_scan_results(
6d28fb96 1618 struct wpa_supplicant *wpa_s)
6ae93185 1619{
6d28fb96 1620 struct wpa_bss *bss;
6ae93185
JM		 1621
1622 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1623 return;
1624
6d28fb96 1625 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
6ae93185 1626 const u8 *ssid, *rsn;
6ae93185 1627
6d28fb96 1628 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
6ae93185
JM		 1629 if (ssid == NULL)
1630 continue;
1631
6d28fb96 1632 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
6ae93185
JM		 1633 if (rsn == NULL)
1634 continue;
1635
6d28fb96 1636 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
6ae93185
JM		 1637 }
1638
1639}
1640
1641
48563d86
JM		 1642static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1643 struct wpa_bss *selected,
20ed5e40 1644 struct wpa_ssid *ssid)
48563d86 1645{
20ed5e40 1646 struct wpa_bss *current_bss = NULL;
ce18c107 1647#ifndef CONFIG_NO_ROAMING
8d1e6931 1648 int min_diff, diff;
954e10e4 1649 int to_5ghz;
8d1e6931 1650 int cur_est, sel_est;
ce18c107 1651#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1652
1653 if (wpa_s->reassociate)
1654 return 1; /* explicit request to reassociate */
1655 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1656 return 1; /* we are not associated; continue */
1657 if (wpa_s->current_ssid == NULL)
1658 return 1; /* unknown current SSID */
1659 if (wpa_s->current_ssid != ssid)
1660 return 1; /* different network block */
1661
22628eca
JM		 1662 if (wpas_driver_bss_selection(wpa_s))
1663 return 0; /* Driver-based roaming */
1664
20ed5e40
JM		 1665 if (wpa_s->current_ssid->ssid)
1666 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1667 wpa_s->current_ssid->ssid,
1668 wpa_s->current_ssid->ssid_len);
1669 if (!current_bss)
1670 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
48563d86
JM		 1671
1672 if (!current_bss)
1673 return 1; /* current BSS not seen in scan results */
1674
20ed5e40
JM		 1675 if (current_bss == selected)
1676 return 0;
1677
1678 if (selected->last_update_idx > current_bss->last_update_idx)
1679 return 1; /* current BSS not seen in the last scan */
1680
e9af53ad 1681#ifndef CONFIG_NO_ROAMING
f049052b 1682 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
0d2030ee 1683 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
8d1e6931
JM		 1684 " freq=%d level=%d snr=%d est_throughput=%u",
1685 MAC2STR(current_bss->bssid),
1686 current_bss->freq, current_bss->level,
0d2030ee
JM		 1687 current_bss->snr, current_bss->est_throughput);
1688 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
8d1e6931
JM		 1689 " freq=%d level=%d snr=%d est_throughput=%u",
1690 MAC2STR(selected->bssid), selected->freq, selected->level,
0d2030ee 1691 selected->snr, selected->est_throughput);
48563d86 1692
ac26ebd8
JM		 1693 if (wpa_s->current_ssid->bssid_set &&
1694 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1695 0) {
f049052b
BG		 1696 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1697 "has preferred BSSID");
ac26ebd8
JM		 1698 return 1;
1699 }
1700
0d2030ee
JM		 1701 if (selected->est_throughput > current_bss->est_throughput + 5000) {
1702 wpa_dbg(wpa_s, MSG_DEBUG,
1703 "Allow reassociation - selected BSS has better estimated throughput");
1704 return 1;
1705 }
1706
954e10e4
JM		 1707 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1708
1709 if (current_bss->level < 0 &&
1710 current_bss->level > selected->level + to_5ghz * 2) {
bff954e9
RS		 1711 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1712 "signal level");
1713 return 0;
1714 }
1715
8d1e6931
JM		 1716 if (current_bss->est_throughput > selected->est_throughput + 5000) {
1717 wpa_dbg(wpa_s, MSG_DEBUG,
1718 "Skip roam - Current BSS has better estimated throughput");
bcf66493 1719 return 0;
8d1e6931
JM		 1720 }
1721
1722 cur_est = current_bss->est_throughput;
1723 sel_est = selected->est_throughput;
48563d86
JM		 1724 min_diff = 2;
1725 if (current_bss->level < 0) {
1726 if (current_bss->level < -85)
1727 min_diff = 1;
1728 else if (current_bss->level < -80)
1729 min_diff = 2;
1730 else if (current_bss->level < -75)
1731 min_diff = 3;
1732 else if (current_bss->level < -70)
1733 min_diff = 4;
1734 else
1735 min_diff = 5;
8d1e6931
JM		 1736 if (cur_est > sel_est * 1.5)
1737 min_diff += 10;
1738 else if (cur_est > sel_est * 1.2)
1739 min_diff += 5;
1740 else if (cur_est > sel_est * 1.1)
1741 min_diff += 2;
1742 else if (cur_est > sel_est)
1743 min_diff++;
48563d86 1744 }
954e10e4 1745 if (to_5ghz) {
8d1e6931
JM		 1746 int reduce = 2;
1747
954e10e4 1748 /* Make it easier to move to 5 GHz band */
8d1e6931
JM		 1749 if (sel_est > cur_est * 1.5)
1750 reduce = 5;
1751 else if (sel_est > cur_est * 1.2)
1752 reduce = 4;
1753 else if (sel_est > cur_est * 1.1)
1754 reduce = 3;
1755
1756 if (min_diff > reduce)
1757 min_diff -= reduce;
954e10e4
JM		 1758 else
1759 min_diff = 0;
1760 }
8d1e6931
JM		 1761 diff = abs(current_bss->level - selected->level);
1762 if (diff < min_diff) {
1763 wpa_dbg(wpa_s, MSG_DEBUG,
1764 "Skip roam - too small difference in signal level (%d < %d)",
1765 diff, min_diff);
48563d86
JM		 1766 return 0;
1767 }
1768
8d1e6931
JM		 1769 wpa_dbg(wpa_s, MSG_DEBUG,
1770 "Allow reassociation due to difference in signal level (%d >= %d)",
1771 diff, min_diff);
48563d86 1772 return 1;
e9af53ad
DS		 1773#else /* CONFIG_NO_ROAMING */
1774 return 0;
1775#endif /* CONFIG_NO_ROAMING */
48563d86
JM		 1776}
1777
cd2f4ddf 1778
e3e2fe3a
AS		 1779/*
1780 * Return a negative value if no scan results could be fetched or if scan
1781 * results should not be shared with other virtual interfaces.
1782 * Return 0 if scan results were fetched and may be shared with other
1783 * interfaces.
1784 * Return 1 if scan results may be shared with other virtual interfaces but may
1785 * not trigger any operations.
1786 * Return 2 if the interface was removed and cannot be used.
1787 */
e1504976 1788static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
cfd31b50 1789 union wpa_event_data *data,
e3e2fe3a 1790 int own_request, int update_only)
09b9df4e 1791{
d12a51b5
JM		 1792 struct wpa_scan_results *scan_res = NULL;
1793 int ret = 0;
5bc0cdb7 1794 int ap = 0;
7b1aa4fe
JM		 1795#ifndef CONFIG_NO_RANDOM_POOL
1796 size_t i, num;
1797#endif /* CONFIG_NO_RANDOM_POOL */
5bc0cdb7
JM		 1798
1799#ifdef CONFIG_AP
1800 if (wpa_s->ap_iface)
1801 ap = 1;
1802#endif /* CONFIG_AP */
6fc6879b 1803
cb8564b1
DW		 1804 wpa_supplicant_notify_scanning(wpa_s, 0);
1805
a1fd2ce5
JM		 1806 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1807 data ? &data->scan_info :
1808 NULL, 1);
1809 if (scan_res == NULL) {
66fe0f70
DS		 1810 if (wpa_s->conf->ap_scan == 2 || ap ||
1811 wpa_s->scan_res_handler == scan_only_handler)
e1504976 1812 return -1;
cfd31b50
JM		 1813 if (!own_request)
1814 return -1;
adcd7c4b
KV		 1815 if (data && data->scan_info.external_scan)
1816 return -1;
f049052b
BG		 1817 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1818 "scanning again");
977b1174 1819 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
d12a51b5
JM		 1820 ret = -1;
1821 goto scan_work_done;
6fc6879b
JM		 1822 }
1823
bbb921da 1824#ifndef CONFIG_NO_RANDOM_POOL
bbb921da
JM		 1825 num = scan_res->num;
1826 if (num > 10)
1827 num = 10;
1828 for (i = 0; i < num; i++) {
1829 u8 buf[5];
1830 struct wpa_scan_res *res = scan_res->res[i];
1831 buf[0] = res->bssid[5];
1832 buf[1] = res->qual & 0xff;
1833 buf[2] = res->noise & 0xff;
1834 buf[3] = res->level & 0xff;
1835 buf[4] = res->tsf & 0xff;
1836 random_add_randomness(buf, sizeof(buf));
1837 }
1838#endif /* CONFIG_NO_RANDOM_POOL */
1839
e3e2fe3a
AS		 1840 if (update_only) {
1841 ret = 1;
1842 goto scan_work_done;
1843 }
1844
06f9acce 1845 if (own_request && wpa_s->scan_res_handler &&
adcd7c4b 1846 !(data && data->scan_info.external_scan)) {
860fddbb
JB		 1847 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1848 struct wpa_scan_results *scan_res);
1849
1850 scan_res_handler = wpa_s->scan_res_handler;
64e58f51 1851 wpa_s->scan_res_handler = NULL;
860fddbb 1852 scan_res_handler(wpa_s, scan_res);
e3e2fe3a 1853 ret = 1;
d12a51b5 1854 goto scan_work_done;
64e58f51
JM		 1855 }
1856
5bc0cdb7 1857 if (ap) {
f049052b 1858 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
c202f19c
JB		 1859#ifdef CONFIG_AP
1860 if (wpa_s->ap_iface->scan_cb)
1861 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1862#endif /* CONFIG_AP */
d12a51b5 1863 goto scan_work_done;
5bc0cdb7
JM		 1864 }
1865
a5f40eff 1866 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
adcd7c4b
KV		 1867 wpa_s->own_scan_running,
1868 data ? data->scan_info.external_scan : 0);
d81c73be 1869 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
adcd7c4b
KV		 1870 wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1871 own_request && !(data && data->scan_info.external_scan)) {
d81c73be
JM		 1872 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1873 wpa_s->manual_scan_id);
1874 wpa_s->manual_scan_use_id = 0;
1875 } else {
1876 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1877 }
24f76940 1878 wpas_notify_scan_results(wpa_s);
6fc6879b 1879
8bac466b
JM		 1880 wpas_notify_scan_done(wpa_s, 1);
1881
adcd7c4b 1882 if (data && data->scan_info.external_scan) {
015af91f
JM		 1883 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1884 wpa_scan_results_free(scan_res);
1885 return 0;
1886 }
1887
75d65857 1888 if (wnm_scan_process(wpa_s, 1) > 0)
d0b9ab69
JM		 1889 goto scan_work_done;
1890
d12a51b5
JM		 1891 if (sme_proc_obss_scan(wpa_s) > 0)
1892 goto scan_work_done;
c3701c66 1893
e3b5bd81 1894 if (own_request && data &&
76196ddb
AS		 1895 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
1896 goto scan_work_done;
1897
d12a51b5
JM		 1898 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1899 goto scan_work_done;
6fc6879b 1900
d12a51b5
JM		 1901 if (autoscan_notify_scan(wpa_s, scan_res))
1902 goto scan_work_done;
7c865c68 1903
3180d7a2
SO		 1904 if (wpa_s->disconnected) {
1905 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
d12a51b5 1906 goto scan_work_done;
3180d7a2
SO		 1907 }
1908
22628eca 1909 if (!wpas_driver_bss_selection(wpa_s) &&
d12a51b5
JM		 1910 bgscan_notify_scan(wpa_s, scan_res) == 1)
1911 goto scan_work_done;
a1fd2ce5 1912
f9f0526b
JM		 1913 wpas_wps_update_ap_info(wpa_s, scan_res);
1914
706e11a4
AN		 1915 if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1916 wpa_s->wpa_state < WPA_COMPLETED)
1917 goto scan_work_done;
1918
20ed5e40
JM		 1919 wpa_scan_results_free(scan_res);
1920
adcd7c4b 1921 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1922 struct wpa_radio_work *work = wpa_s->scan_work;
1923 wpa_s->scan_work = NULL;
1924 radio_work_done(work);
1925 }
1926
16ef233b
JM		 1927 os_free(wpa_s->last_scan_freqs);
1928 wpa_s->last_scan_freqs = NULL;
1929 wpa_s->num_last_scan_freqs = 0;
1930 if (own_request && data &&
1931 data->scan_info.freqs && data->scan_info.num_freqs) {
1932 wpa_s->last_scan_freqs = os_malloc(sizeof(int) *
1933 data->scan_info.num_freqs);
1934 if (wpa_s->last_scan_freqs) {
1935 os_memcpy(wpa_s->last_scan_freqs,
1936 data->scan_info.freqs,
1937 sizeof(int) * data->scan_info.num_freqs);
1938 wpa_s->num_last_scan_freqs = data->scan_info.num_freqs;
1939 }
1940 }
1941
cc4952ad 1942 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
d12a51b5
JM		 1943
1944scan_work_done:
1945 wpa_scan_results_free(scan_res);
adcd7c4b 1946 if (own_request && wpa_s->scan_work) {
d12a51b5
JM		 1947 struct wpa_radio_work *work = wpa_s->scan_work;
1948 wpa_s->scan_work = NULL;
1949 radio_work_done(work);
1950 }
1951 return ret;
a594e2a9
JM		 1952}
1953
1954
06b7f58d 1955static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
cc4952ad 1956 int new_scan, int own_request)
a594e2a9
JM		 1957{
1958 struct wpa_bss *selected;
1959 struct wpa_ssid *ssid = NULL;
9bd566a3
AS		 1960 int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1961
1962 if (time_to_reenable > 0) {
1963 wpa_dbg(wpa_s, MSG_DEBUG,
1964 "Postpone network selection by %d seconds since all networks are disabled",
1965 time_to_reenable);
1966 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1967 eloop_register_timeout(time_to_reenable, 0,
1968 wpas_network_reenabled, wpa_s, NULL);
1969 return 0;
1970 }
a594e2a9 1971
44b9ea5b
JM		 1972 if (wpa_s->p2p_mgmt)
1973 return 0; /* no normal connection on p2p_mgmt interface */
1974
a5e6270f 1975 wpa_s->owe_transition_search = 0;
620c7837
JM		 1976 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1977
70351623
MH		 1978#ifdef CONFIG_MESH
1979 if (wpa_s->ifmsh) {
1980 wpa_msg(wpa_s, MSG_INFO,
1981 "Avoiding join because we already joined a mesh group");
1982 return 0;
1983 }
1984#endif /* CONFIG_MESH */
1985
6fc6879b 1986 if (selected) {
48563d86 1987 int skip;
20ed5e40 1988 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1bbff09e 1989 if (skip) {
06b7f58d
JM		 1990 if (new_scan)
1991 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
e1504976 1992 return 0;
1bbff09e 1993 }
5cbd88d9 1994
16ef233b
JM		 1995 wpa_s->suitable_network++;
1996
0e6a2cf2
AB		 1997 if (ssid != wpa_s->current_ssid &&
1998 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1999 wpa_s->own_disconnect_req = 1;
2000 wpa_supplicant_deauthenticate(
2001 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2002 }
2003
5cbd88d9
JJ		 2004 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
2005 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
2006 return -1;
2007 }
06b7f58d
JM		 2008 if (new_scan)
2009 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
0dd54313 2010 /*
e3e2fe3a
AS		 2011 * Do not allow other virtual radios to trigger operations based
2012 * on these scan results since we do not want them to start
2013 * other associations at the same time.
0dd54313
JM		 2014 */
2015 return 1;
6fc6879b 2016 } else {
16ef233b 2017 wpa_s->no_suitable_network++;
f049052b 2018 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
b55aaa5f
JM		 2019 ssid = wpa_supplicant_pick_new_network(wpa_s);
2020 if (ssid) {
f049052b 2021 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
b55aaa5f 2022 wpa_supplicant_associate(wpa_s, NULL, ssid);
06b7f58d
JM		 2023 if (new_scan)
2024 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
cc4952ad
JJ		 2025 } else if (own_request) {
2026 /*
2027 * No SSID found. If SCAN results are as a result of
2028 * own scan request and not due to a scan request on
2029 * another shared interface, try another scan.
2030 */
67b9bd08 2031 int timeout_sec = wpa_s->scan_interval;
977b1174 2032 int timeout_usec = 0;
0817de90 2033#ifdef CONFIG_P2P
b0e669be
JM		 2034 int res;
2035
2036 res = wpas_p2p_scan_no_go_seen(wpa_s);
2037 if (res == 2)
2038 return 2;
2039 if (res == 1)
aa9bb764
JM		 2040 return 0;
2041
6fc48481 2042 if (wpa_s->p2p_in_provisioning ||
41d5ce9e
RR		 2043 wpa_s->show_group_started ||
2044 wpa_s->p2p_in_invitation) {
0817de90
JM		 2045 /*
2046 * Use shorter wait during P2P Provisioning
6fc48481
RR		 2047 * state and during P2P join-a-group operation
2048 * to speed up group formation.
0817de90
JM		 2049 */
2050 timeout_sec = 0;
2051 timeout_usec = 250000;
a4cba8f1
LC		 2052 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2053 timeout_usec);
2054 return 0;
0817de90
JM		 2055 }
2056#endif /* CONFIG_P2P */
4d5bda5f
JM		 2057#ifdef CONFIG_INTERWORKING
2058 if (wpa_s->conf->auto_interworking &&
2059 wpa_s->conf->interworking &&
2060 wpa_s->conf->cred) {
2061 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
2062 "start ANQP fetch since no matching "
2063 "networks found");
2064 wpa_s->network_select = 1;
2065 wpa_s->auto_network_select = 1;
2066 interworking_start_fetch_anqp(wpa_s);
0dd54313 2067 return 1;
4d5bda5f
JM		 2068 }
2069#endif /* CONFIG_INTERWORKING */
662b40b1 2070#ifdef CONFIG_WPS
538d6f4b 2071 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
662b40b1
JM		 2072 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
2073 timeout_sec = 0;
2074 timeout_usec = 500000;
2075 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2076 timeout_usec);
2077 return 0;
2078 }
2079#endif /* CONFIG_WPS */
a5e6270f
JM		 2080#ifdef CONFIG_OWE
2081 if (wpa_s->owe_transition_search) {
2082 wpa_dbg(wpa_s, MSG_DEBUG,
2083 "OWE: Use shorter wait during transition mode search");
2084 timeout_sec = 0;
2085 timeout_usec = 500000;
2086 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2087 timeout_usec);
2088 return 0;
2089 }
2090#endif /* CONFIG_OWE */
a4cba8f1
LC		 2091 if (wpa_supplicant_req_sched_scan(wpa_s))
2092 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2093 timeout_usec);
4f39908b
DS		 2094
2095 wpa_msg_ctrl(wpa_s, MSG_INFO,
2096 WPA_EVENT_NETWORK_NOT_FOUND);
977b1174 2097 }
6fc6879b 2098 }
e1504976 2099 return 0;
6fc6879b 2100}
6859f1cb
BG		 2101
2102
b0e669be
JM		 2103static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2104 union wpa_event_data *data)
6859f1cb 2105{
6859f1cb 2106 struct wpa_supplicant *ifs;
b0e669be 2107 int res;
6859f1cb 2108
e3e2fe3a 2109 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
b0e669be
JM		 2110 if (res == 2) {
2111 /*
2112 * Interface may have been removed, so must not dereference
2113 * wpa_s after this.
2114 */
2115 return 1;
2116 }
e3e2fe3a
AS		 2117
2118 if (res < 0) {
e1504976
BG		 2119 /*
2120 * If no scan results could be fetched, then no need to
2121 * notify those interfaces that did not actually request
0dd54313
JM		 2122 * this scan. Similarly, if scan results started a new operation on this
2123 * interface, do not notify other interfaces to avoid concurrent
2124 * operations during a connection attempt.
e1504976 2125 */
b0e669be 2126 return 0;
e1504976 2127 }
6859f1cb
BG		 2128
2129 /*
f88f19b4 2130 * Check other interfaces to see if they share the same radio. If
6859f1cb
BG		 2131 * so, they get updated with this same scan info.
2132 */
f88f19b4
JM		 2133 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2134 radio_list) {
2135 if (ifs != wpa_s) {
6859f1cb
BG		 2136 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
2137 "sibling", ifs->ifname);
e3e2fe3a
AS		 2138 res = _wpa_supplicant_event_scan_results(ifs, data, 0,
2139 res > 0);
2140 if (res < 0)
2141 return 0;
6859f1cb
BG		 2142 }
2143 }
b0e669be
JM		 2144
2145 return 0;
6859f1cb
BG		 2146}
2147
6fc6879b
JM		 2148#endif /* CONFIG_NO_SCAN_PROCESSING */
2149
2150
cecdddc1
PS		 2151int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2152{
2153#ifdef CONFIG_NO_SCAN_PROCESSING
2154 return -1;
2155#else /* CONFIG_NO_SCAN_PROCESSING */
a12d3454 2156 struct os_reltime now;
cecdddc1 2157
6e374bd4
JM		 2158 wpa_s->ignore_post_flush_scan_res = 0;
2159
c1a14ef4 2160 if (wpa_s->last_scan_res_used == 0)
cecdddc1
PS		 2161 return -1;
2162
a12d3454
JB		 2163 os_get_reltime(&now);
2164 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
cecdddc1
PS		 2165 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
2166 return -1;
2167 }
2168
cc4952ad 2169 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
cecdddc1
PS		 2170#endif /* CONFIG_NO_SCAN_PROCESSING */
2171}
2172
b6668734
JM		 2173#ifdef CONFIG_WNM
2174
2175static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
2176{
2177 struct wpa_supplicant *wpa_s = eloop_ctx;
2178
2179 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2180 return;
2181
2ec535fd
JM		 2182 if (!wpa_s->no_keep_alive) {
2183 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
2184 MAC2STR(wpa_s->bssid));
2185 /* TODO: could skip this if normal data traffic has been sent */
2186 /* TODO: Consider using some more appropriate data frame for
2187 * this */
2188 if (wpa_s->l2)
2189 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2190 (u8 *) "", 0);
2191 }
b6668734 2192
597c7a8d 2193#ifdef CONFIG_SME
b6668734
JM		 2194 if (wpa_s->sme.bss_max_idle_period) {
2195 unsigned int msec;
2196 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2197 if (msec > 100)
2198 msec -= 100;
2199 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2200 wnm_bss_keep_alive, wpa_s, NULL);
2201 }
597c7a8d 2202#endif /* CONFIG_SME */
b6668734
JM		 2203}
2204
2205
2206static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2207 const u8 *ies, size_t ies_len)
2208{
2209 struct ieee802_11_elems elems;
2210
2211 if (ies == NULL)
2212 return;
2213
2214 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2215 return;
2216
2217#ifdef CONFIG_SME
2218 if (elems.bss_max_idle_period) {
2219 unsigned int msec;
2220 wpa_s->sme.bss_max_idle_period =
2221 WPA_GET_LE16(elems.bss_max_idle_period);
2222 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2223 "TU)%s", wpa_s->sme.bss_max_idle_period,
2224 (elems.bss_max_idle_period[2] & 0x01) ?
2225 " (protected keep-live required)" : "");
2226 if (wpa_s->sme.bss_max_idle_period == 0)
2227 wpa_s->sme.bss_max_idle_period = 1;
2228 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2229 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2230 /* msec times 1000 */
2231 msec = wpa_s->sme.bss_max_idle_period * 1024;
2232 if (msec > 100)
2233 msec -= 100;
2234 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2235 wnm_bss_keep_alive, wpa_s,
2236 NULL);
2237 }
2238 }
2239#endif /* CONFIG_SME */
2240}
2241
2242#endif /* CONFIG_WNM */
2243
2244
2245void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2246{
2247#ifdef CONFIG_WNM
2248 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2249#endif /* CONFIG_WNM */
2250}
2251
2252
56f5af48
JM		 2253#ifdef CONFIG_INTERWORKING
2254
2255static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2256 size_t len)
2257{
2258 int res;
2259
2260 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2261 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2262 if (res) {
2263 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2264 }
2265
2266 return res;
2267}
2268
2269
2270static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2271 const u8 *ies, size_t ies_len)
2272{
2273 struct ieee802_11_elems elems;
2274
2275 if (ies == NULL)
2276 return;
2277
2278 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2279 return;
2280
2281 if (elems.qos_map_set) {
2282 wpas_qos_map_set(wpa_s, elems.qos_map_set,
2283 elems.qos_map_set_len);
2284 }
2285}
2286
2287#endif /* CONFIG_INTERWORKING */
2288
2289
5abc7823
VN		 2290static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
2291 const u8 *ies, size_t ies_len)
2292{
2293 struct ieee802_11_elems elems;
2294 const u8 *map_sub_elem, *pos;
2295 size_t len;
2296
2297 if (!wpa_s->current_ssid ||
2298 !wpa_s->current_ssid->multi_ap_backhaul_sta ||
2299 !ies ||
2300 ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2301 return;
2302
2303 if (!elems.multi_ap || elems.multi_ap_len < 7) {
2304 wpa_printf(MSG_INFO, "AP doesn't support Multi-AP protocol");
2305 goto fail;
2306 }
2307
2308 pos = elems.multi_ap + 4;
2309 len = elems.multi_ap_len - 4;
2310
2311 map_sub_elem = get_ie(pos, len, MULTI_AP_SUB_ELEM_TYPE);
2312 if (!map_sub_elem || map_sub_elem[1] < 1) {
2313 wpa_printf(MSG_INFO, "invalid Multi-AP sub elem type");
2314 goto fail;
2315 }
2316
2317 if (!(map_sub_elem[2] & MULTI_AP_BACKHAUL_BSS)) {
83ebf558
DL		 2318 if ((map_sub_elem[2] & MULTI_AP_FRONTHAUL_BSS) &&
2319 wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
2320 wpa_printf(MSG_INFO,
2321 "WPS active, accepting fronthaul-only BSS");
2322 /* Don't set 4addr mode in this case, so just return */
2323 return;
2324 }
5abc7823
VN		 2325 wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
2326 goto fail;
2327 }
2328
2329 if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
2330 wpa_printf(MSG_ERROR, "Failed to set 4addr mode");
2331 goto fail;
2332 }
2333 wpa_s->enabled_4addr_mode = 1;
2334 return;
2335
2336fail:
2337 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2338}
2339
2340
ea708118
DL		 2341#ifdef CONFIG_FST
2342static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2343 const u8 *ie, size_t ie_len)
2344{
2345 struct mb_ies_info mb_ies;
2346
2347 if (!ie || !ie_len || !wpa_s->fst)
2348 return -ENOENT;
2349
2350 os_memset(&mb_ies, 0, sizeof(mb_ies));
2351
2352 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2353 size_t len;
2354
2355 len = 2 + ie[1];
2356 if (len > ie_len) {
2357 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2358 ie, ie_len);
2359 break;
2360 }
2361
2362 if (ie[0] == WLAN_EID_MULTI_BAND) {
2363 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2364 (unsigned int) len);
2365 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2366 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2367 mb_ies.nof_ies++;
2368 }
2369
2370 ie_len -= len;
2371 ie += len;
2372 }
2373
2374 if (mb_ies.nof_ies > 0) {
2375 wpabuf_free(wpa_s->received_mb_ies);
2376 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2377 return 0;
2378 }
2379
2380 return -ENOENT;
2381}
2382#endif /* CONFIG_FST */
2383
2384
579ce771
JM		 2385static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2386 union wpa_event_data *data)
6fc6879b
JM		 2387{
2388 int l, len, found = 0, wpa_found, rsn_found;
c2a04078 2389 const u8 *p;
64624f31 2390#if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE)
6a1ce395 2391 u8 bssid[ETH_ALEN];
64624f31 2392#endif /* CONFIG_IEEE80211R || CONFIG_OWE */
6fc6879b 2393
f049052b 2394 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
6fc6879b
JM		 2395 if (data->assoc_info.req_ies)
2396 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2397 data->assoc_info.req_ies_len);
52c9e6f3 2398 if (data->assoc_info.resp_ies) {
6fc6879b
JM		 2399 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2400 data->assoc_info.resp_ies_len);
52c9e6f3
JM		 2401#ifdef CONFIG_TDLS
2402 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2403 data->assoc_info.resp_ies_len);
2404#endif /* CONFIG_TDLS */
b6668734
JM		 2405#ifdef CONFIG_WNM
2406 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2407 data->assoc_info.resp_ies_len);
2408#endif /* CONFIG_WNM */
56f5af48
JM		 2409#ifdef CONFIG_INTERWORKING
2410 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2411 data->assoc_info.resp_ies_len);
2412#endif /* CONFIG_INTERWORKING */
d7f038de
BP		 2413 if (wpa_s->hw_capab == CAPAB_VHT &&
2414 get_ie(data->assoc_info.resp_ies,
2415 data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
2416 wpa_s->ieee80211ac = 1;
5abc7823
VN		 2417
2418 multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2419 data->assoc_info.resp_ies_len);
52c9e6f3 2420 }
6fc6879b
JM		 2421 if (data->assoc_info.beacon_ies)
2422 wpa_hexdump(MSG_DEBUG, "beacon_ies",
2423 data->assoc_info.beacon_ies,
2424 data->assoc_info.beacon_ies_len);
4832ecd7 2425 if (data->assoc_info.freq)
f049052b
BG		 2426 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2427 data->assoc_info.freq);
6fc6879b 2428
3f8ceff5
JM		 2429 wpa_s->connection_set = 0;
2430 if (data->assoc_info.req_ies && data->assoc_info.resp_ies) {
2431 struct ieee802_11_elems req_elems, resp_elems;
2432
2433 if (ieee802_11_parse_elems(data->assoc_info.req_ies,
2434 data->assoc_info.req_ies_len,
2435 &req_elems, 0) != ParseFailed &&
2436 ieee802_11_parse_elems(data->assoc_info.resp_ies,
2437 data->assoc_info.resp_ies_len,
2438 &resp_elems, 0) != ParseFailed) {
2439 wpa_s->connection_set = 1;
2440 wpa_s->connection_ht = req_elems.ht_capabilities &&
2441 resp_elems.ht_capabilities;
2442 wpa_s->connection_vht = req_elems.vht_capabilities &&
2443 resp_elems.vht_capabilities;
2444 wpa_s->connection_he = req_elems.he_capabilities &&
2445 resp_elems.he_capabilities;
2446 }
2447 }
2448
6fc6879b
JM		 2449 p = data->assoc_info.req_ies;
2450 l = data->assoc_info.req_ies_len;
2451
2452 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2453 while (p && l >= 2) {
2454 len = p[1] + 2;
2455 if (len > l) {
2456 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2457 p, l);
2458 break;
2459 }
2460 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2461 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
192964dd
DN		 2462 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2463 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
6fc6879b
JM		 2464 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2465 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2466 break;
2467 found = 1;
2468 wpa_find_assoc_pmkid(wpa_s);
2469 break;
2470 }
2471 l -= len;
2472 p += len;
2473 }
2474 if (!found && data->assoc_info.req_ies)
2475 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2476
706df429
JM		 2477#ifdef CONFIG_FILS
2478#ifdef CONFIG_SME
76e20f4f
JM		 2479 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2480 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
706df429
JM		 2481 (!data->assoc_info.resp_frame ||
2482 fils_process_assoc_resp(wpa_s->wpa,
2483 data->assoc_info.resp_frame,
2484 data->assoc_info.resp_frame_len) < 0)) {
2485 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2486 return -1;
2487 }
2488#endif /* CONFIG_SME */
5538fc93
VK		 2489
2490 /* Additional processing for FILS when SME is in driver */
2491 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
2492 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2493 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
706df429
JM		 2494#endif /* CONFIG_FILS */
2495
0a614799
JM		 2496#ifdef CONFIG_OWE
2497 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
5a78c361
JM		 2498 (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2499 owe_process_assoc_resp(wpa_s->wpa, bssid,
2500 data->assoc_info.resp_ies,
2501 data->assoc_info.resp_ies_len) < 0)) {
0a614799
JM		 2502 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2503 return -1;
2504 }
2505#endif /* CONFIG_OWE */
2506
10ec6a5f
JM		 2507#ifdef CONFIG_DPP2
2508 wpa_sm_set_dpp_z(wpa_s->wpa, NULL);
2509 if (wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && wpa_s->dpp_pfs) {
2510 struct ieee802_11_elems elems;
2511
2512 if (ieee802_11_parse_elems(data->assoc_info.resp_ies,
2513 data->assoc_info.resp_ies_len,
2514 &elems, 0) == ParseFailed ||
2515 !elems.owe_dh)
2516 goto no_pfs;
2517 if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh,
2518 elems.owe_dh_len) < 0) {
2519 wpa_supplicant_deauthenticate(wpa_s,
2520 WLAN_REASON_UNSPECIFIED);
2521 return -1;
2522 }
2523
2524 wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret);
2525 }
2526no_pfs:
2527#endif /* CONFIG_DPP2 */
2528
c2a04078 2529#ifdef CONFIG_IEEE80211R
62c72d72
JM		 2530#ifdef CONFIG_SME
2531 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
62c72d72
JM		 2532 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2533 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2534 data->assoc_info.resp_ies,
2535 data->assoc_info.resp_ies_len,
2536 bssid) < 0) {
f049052b
BG		 2537 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2538 "Reassociation Response failed");
579ce771
JM		 2539 wpa_supplicant_deauthenticate(
2540 wpa_s, WLAN_REASON_INVALID_IE);
2541 return -1;
62c72d72
JM		 2542 }
2543 }
62c72d72 2544
c2a04078
JM		 2545 p = data->assoc_info.resp_ies;
2546 l = data->assoc_info.resp_ies_len;
2547
54f489be 2548#ifdef CONFIG_WPS_STRICT
5dac11e0 2549 if (p && wpa_s->current_ssid &&
54f489be
JM		 2550 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2551 struct wpabuf *wps;
2552 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2553 if (wps == NULL) {
f049052b
BG		 2554 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2555 "include WPS IE in (Re)Association Response");
54f489be
JM		 2556 return -1;
2557 }
2558
2559 if (wps_validate_assoc_resp(wps) < 0) {
2560 wpabuf_free(wps);
2561 wpa_supplicant_deauthenticate(
2562 wpa_s, WLAN_REASON_INVALID_IE);
2563 return -1;
2564 }
2565 wpabuf_free(wps);
2566 }
2567#endif /* CONFIG_WPS_STRICT */
2568
e7846b68 2569 /* Go through the IEs and make a copy of the MDIE, if present. */
c2a04078
JM		 2570 while (p && l >= 2) {
2571 len = p[1] + 2;
2572 if (len > l) {
2573 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2574 p, l);
2575 break;
2576 }
e7846b68
JM		 2577 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2578 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2579 wpa_s->sme.ft_used = 1;
2580 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2581 MOBILITY_DOMAIN_ID_LEN);
2582 break;
2583 }
c2a04078
JM		 2584 l -= len;
2585 p += len;
2586 }
e7846b68 2587#endif /* CONFIG_SME */
c2a04078 2588
6a1ce395
DG		 2589 /* Process FT when SME is in the driver */
2590 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2591 wpa_ft_is_completed(wpa_s->wpa)) {
2592 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2593 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2594 data->assoc_info.resp_ies,
2595 data->assoc_info.resp_ies_len,
2596 bssid) < 0) {
2597 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2598 "Reassociation Response failed");
2599 wpa_supplicant_deauthenticate(
2600 wpa_s, WLAN_REASON_INVALID_IE);
2601 return -1;
2602 }
2603 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2604 }
2605
e7846b68
JM		 2606 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2607 data->assoc_info.resp_ies_len);
c2a04078
JM		 2608#endif /* CONFIG_IEEE80211R */
2609
6fc6879b
JM		 2610 /* WPA/RSN IE from Beacon/ProbeResp */
2611 p = data->assoc_info.beacon_ies;
2612 l = data->assoc_info.beacon_ies_len;
2613
2614 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2615 */
2616 wpa_found = rsn_found = 0;
2617 while (p && l >= 2) {
2618 len = p[1] + 2;
2619 if (len > l) {
2620 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2621 p, l);
2622 break;
2623 }
2624 if (!wpa_found &&
2625 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2626 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2627 wpa_found = 1;
2628 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2629 }
2630
2631 if (!rsn_found &&
2632 p[0] == WLAN_EID_RSN && p[1] >= 2) {
2633 rsn_found = 1;
2634 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2635 }
2636
2637 l -= len;
2638 p += len;
2639 }
2640
2641 if (!wpa_found && data->assoc_info.beacon_ies)
2642 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2643 if (!rsn_found && data->assoc_info.beacon_ies)
2644 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2645 if (wpa_found || rsn_found)
2646 wpa_s->ap_ies_from_associnfo = 1;
4832ecd7 2647
117e812d
JM		 2648 if (wpa_s->assoc_freq && data->assoc_info.freq &&
2649 wpa_s->assoc_freq != data->assoc_info.freq) {
2650 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2651 "%u to %u MHz",
2652 wpa_s->assoc_freq, data->assoc_info.freq);
2653 wpa_supplicant_update_scan_results(wpa_s);
2654 }
2655
4832ecd7 2656 wpa_s->assoc_freq = data->assoc_info.freq;
579ce771
JM		 2657
2658 return 0;
6fc6879b
JM		 2659}
2660
2661
ad9ee4d4
JM		 2662static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2663{
2664 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2665
2666 if (!wpa_s->current_bss || !wpa_s->current_ssid)
2667 return -1;
2668
2669 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2670 return 0;
2671
2672 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2673 WPA_IE_VENDOR_TYPE);
2674 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2675
2676 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2677 bss_wpa ? 2 + bss_wpa[1] : 0) ||
2678 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2679 bss_rsn ? 2 + bss_rsn[1] : 0))
2680 return -1;
2681
2682 return 0;
2683}
2684
2685
ea708118
DL		 2686static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2687 union wpa_event_data *data)
2688{
2689#ifdef CONFIG_FST
2690 struct assoc_info *ai = data ? &data->assoc_info : NULL;
2691 struct wpa_bss *bss = wpa_s->current_bss;
2692 const u8 *ieprb, *iebcn;
2693
2694 wpabuf_free(wpa_s->received_mb_ies);
2695 wpa_s->received_mb_ies = NULL;
2696
2697 if (ai &&
2698 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2699 wpa_printf(MSG_DEBUG,
2700 "FST: MB IEs updated from Association Response frame");
2701 return;
2702 }
2703
2704 if (ai &&
2705 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2706 wpa_printf(MSG_DEBUG,
2707 "FST: MB IEs updated from association event Beacon IEs");
2708 return;
2709 }
2710
2711 if (!bss)
2712 return;
2713
2714 ieprb = (const u8 *) (bss + 1);
2715 iebcn = ieprb + bss->ie_len;
2716
2717 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2718 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2719 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2720 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2721#endif /* CONFIG_FST */
2722}
2723
2724
6fc6879b
JM		 2725static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2726 union wpa_event_data *data)
2727{
2728 u8 bssid[ETH_ALEN];
e07adb7f 2729 int ft_completed, already_authorized;
ce7d0eb1 2730 int new_bss = 0;
6fc6879b 2731
1d041bec
JM		 2732#ifdef CONFIG_AP
2733 if (wpa_s->ap_iface) {
a01acc50
JM		 2734 if (!data)
2735 return;
1d041bec
JM		 2736 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2737 data->assoc_info.addr,
2738 data->assoc_info.req_ies,
39b08b5f
SP		 2739 data->assoc_info.req_ies_len,
2740 data->assoc_info.reassoc);
1d041bec
JM		 2741 return;
2742 }
2743#endif /* CONFIG_AP */
2744
9bd566a3
AS		 2745 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2746
1d041bec 2747 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
579ce771
JM		 2748 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2749 return;
706df429
JM		 2750 /*
2751 * FILS authentication can share the same mechanism to mark the
2752 * connection fully authenticated, so set ft_completed also based on
2753 * FILS result.
2754 */
2755 if (!ft_completed)
2756 ft_completed = wpa_fils_is_completed(wpa_s->wpa);
6fc6879b 2757
0a0c38f6
MH		 2758 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2759 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
07783eaa 2760 wpa_supplicant_deauthenticate(
0a0c38f6
MH		 2761 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2762 return;
2763 }
2764
6fc6879b 2765 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
0a0c38f6 2766 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
2bbad1c7
MW		 2767 if (os_reltime_initialized(&wpa_s->session_start)) {
2768 os_reltime_age(&wpa_s->session_start,
2769 &wpa_s->session_length);
2770 wpa_s->session_start.sec = 0;
2771 wpa_s->session_start.usec = 0;
2772 wpas_notify_session_length(wpa_s);
2773 } else {
2774 wpas_notify_auth_changed(wpa_s);
2775 os_get_reltime(&wpa_s->session_start);
2776 }
f049052b 2777 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
6fc6879b 2778 MACSTR, MAC2STR(bssid));
ce7d0eb1 2779 new_bss = 1;
bbb921da 2780 random_add_randomness(bssid, ETH_ALEN);
6fc6879b
JM		 2781 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2782 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
e485286c 2783 wpas_notify_bssid_changed(wpa_s);
8bac466b 2784
6fc6879b
JM		 2785 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2786 wpa_clear_keys(wpa_s, bssid);
2787 }
2788 if (wpa_supplicant_select_config(wpa_s) < 0) {
07783eaa 2789 wpa_supplicant_deauthenticate(
6fc6879b
JM		 2790 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2791 return;
2792 }
ce7d0eb1 2793 }
cd2f4ddf 2794
ce7d0eb1
SD		 2795 if (wpa_s->conf->ap_scan == 1 &&
2796 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2797 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2798 wpa_msg(wpa_s, MSG_WARNING,
2799 "WPA/RSN IEs not updated");
6fc6879b
JM		 2800 }
2801
ea708118
DL		 2802 wpas_fst_update_mb_assoc(wpa_s, data);
2803
62fa124c
JM		 2804#ifdef CONFIG_SME
2805 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2806 wpa_s->sme.prev_bssid_set = 1;
3302b7c2 2807 wpa_s->sme.last_unprot_disconnect.sec = 0;
62fa124c
JM		 2808#endif /* CONFIG_SME */
2809
6fc6879b
JM		 2810 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2811 if (wpa_s->current_ssid) {
2812 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2813 * initialized before association, but for other modes,
2814 * initialize PC/SC here, if the current configuration needs
2815 * smartcard or SIM/USIM. */
2816 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2817 }
2818 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
3f967fe0
JM		 2819 if (wpa_s->l2)
2820 l2_packet_notify_auth_start(wpa_s->l2);
6fc6879b 2821
e07adb7f
JM		 2822 already_authorized = data && data->assoc_info.authorized;
2823
6fc6879b
JM		 2824 /*
2825 * Set portEnabled first to FALSE in order to get EAP state machine out
2826 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2827 * state machine may transit to AUTHENTICATING state based on obsolete
2828 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2829 * AUTHENTICATED without ever giving chance to EAP state machine to
2830 * reset the state.
2831 */
e07adb7f 2832 if (!ft_completed && !already_authorized) {
6fc6879b
JM		 2833 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2834 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2835 }
a1ea1b45 2836 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
567da5bb 2837 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
a1ea1b45 2838 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
b0b25c5b 2839 already_authorized || wpa_s->drv_authorized_port)
6fc6879b
JM		 2840 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2841 /* 802.1X::portControl = Auto */
2842 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2843 wpa_s->eapol_received = 0;
2844 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
9c972abb
JM		 2845 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2846 (wpa_s->current_ssid &&
f74618cb 2847 wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) {
fb958ea7
JM		 2848 if (wpa_s->current_ssid &&
2849 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
6ea1f413
JM		 2850 (wpa_s->drv_flags &
2851 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2852 /*
2853 * Set the key after having received joined-IBSS event
2854 * from the driver.
2855 */
2856 wpa_supplicant_set_wpa_none_key(wpa_s,
2857 wpa_s->current_ssid);
2858 }
6fc6879b
JM		 2859 wpa_supplicant_cancel_auth_timeout(wpa_s);
2860 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2861 } else if (!ft_completed) {
2862 /* Timeout for receiving the first EAPOL packet */
2863 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2864 }
2865 wpa_supplicant_cancel_scan(wpa_s);
2866
fe01cd00
AS		 2867 if (ft_completed) {
2868 /*
2869 * FT protocol completed - make sure EAPOL state machine ends
2870 * up in authenticated.
2871 */
2872 wpa_supplicant_cancel_auth_timeout(wpa_s);
2873 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2874 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2875 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2876 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
2877 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
6fc6879b
JM		 2878 /*
2879 * We are done; the driver will take care of RSN 4-way
2880 * handshake.
2881 */
2882 wpa_supplicant_cancel_auth_timeout(wpa_s);
2883 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2884 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2885 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
436ee2fd 2886 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
98ea9431
JM		 2887 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2888 /*
2889 * The driver will take care of RSN 4-way handshake, so we need
2890 * to allow EAPOL supplicant to complete its work without
2891 * waiting for WPA supplicant.
2892 */
2893 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
6fc6879b 2894 }
1ff73338 2895
3ab35a66
JM		 2896 wpa_s->last_eapol_matches_bssid = 0;
2897
1ff73338 2898 if (wpa_s->pending_eapol_rx) {
c2be937c
JB		 2899 struct os_reltime now, age;
2900 os_get_reltime(&now);
2901 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
6a5425fd 2902 if (age.sec == 0 && age.usec < 200000 &&
1ff73338
JM		 2903 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2904 0) {
f049052b
BG		 2905 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2906 "frame that was received just before "
2907 "association notification");
1ff73338
JM		 2908 wpa_supplicant_rx_eapol(
2909 wpa_s, wpa_s->pending_eapol_rx_src,
2910 wpabuf_head(wpa_s->pending_eapol_rx),
2911 wpabuf_len(wpa_s->pending_eapol_rx));
2912 }
2913 wpabuf_free(wpa_s->pending_eapol_rx);
2914 wpa_s->pending_eapol_rx = NULL;
2915 }
60b94c98 2916
0194fedb
JB		 2917 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2918 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
66562e9c
JM		 2919 wpa_s->current_ssid &&
2920 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
0194fedb
JB		 2921 /* Set static WEP keys again */
2922 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2923 }
50b05780
JM		 2924
2925#ifdef CONFIG_IBSS_RSN
2926 if (wpa_s->current_ssid &&
2927 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2928 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
78177a00
JM		 2929 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2930 wpa_s->ibss_rsn == NULL) {
6c33ca9f 2931 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
78177a00
JM		 2932 if (!wpa_s->ibss_rsn) {
2933 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2934 wpa_supplicant_deauthenticate(
2935 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2936 return;
2937 }
2938
2939 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2940 }
50b05780 2941#endif /* CONFIG_IBSS_RSN */
f9f0526b
JM		 2942
2943 wpas_wps_notify_assoc(wpa_s, bssid);
a0413b17
MB		 2944
2945 if (data) {
2946 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2947 data->assoc_info.resp_ies_len,
2948 &data->assoc_info.wmm_params);
8c42b369
EP		 2949
2950 if (wpa_s->reassoc_same_bss)
2951 wmm_ac_restore_tspecs(wpa_s);
a0413b17 2952 }
bbe7969d
VK		 2953
2954#ifdef CONFIG_FILS
2955 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
2956 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid);
2957 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
2958
2959 if (fils_cache_id)
2960 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
2961 }
2962#endif /* CONFIG_FILS */
6fc6879b
JM		 2963}
2964
2965
d00821e9
JM		 2966static int disconnect_reason_recoverable(u16 reason_code)
2967{
2968 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2969 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2970 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2971}
2972
2973
0544b242 2974static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
3d9975d5
JM		 2975 u16 reason_code,
2976 int locally_generated)
6fc6879b
JM		 2977{
2978 const u8 *bssid;
0aadd568
JM		 2979
2980 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2981 /*
2982 * At least Host AP driver and a Prism3 card seemed to be
2983 * generating streams of disconnected events when configuring
2984 * IBSS for WPA-None. Ignore them for now.
2985 */
2986 return;
2987 }
2988
2989 bssid = wpa_s->bssid;
2990 if (is_zero_ether_addr(bssid))
2991 bssid = wpa_s->pending_bssid;
2992
2993 if (!is_zero_ether_addr(bssid) ||
2994 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2995 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2996 " reason=%d%s",
2997 MAC2STR(bssid), reason_code,
2998 locally_generated ? " locally_generated=1" : "");
2999 }
3000}
3001
3002
c9a82218
JM		 3003static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
3004 int locally_generated)
3005{
3006 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
3007 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
3008 return 0; /* Not in 4-way handshake with PSK */
3009
3010 /*
3011 * It looks like connection was lost while trying to go through PSK
3012 * 4-way handshake. Filter out known disconnection cases that are caused
3013 * by something else than PSK mismatch to avoid confusing reports.
3014 */
3015
3016 if (locally_generated) {
3017 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
3018 return 0;
3019 }
3020
3021 return 1;
3022}
3023
3024
0aadd568
JM		 3025static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
3026 u16 reason_code,
3027 int locally_generated)
3028{
3029 const u8 *bssid;
6d6f4bb8
JM		 3030 int authenticating;
3031 u8 prev_pending_bssid[ETH_ALEN];
d00821e9
JM		 3032 struct wpa_bss *fast_reconnect = NULL;
3033 struct wpa_ssid *fast_reconnect_ssid = NULL;
bcdf2096 3034 struct wpa_ssid *last_ssid;
1ac38863 3035 struct wpa_bss *curr = NULL;
6d6f4bb8
JM		 3036
3037 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
3038 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
6fc6879b
JM		 3039
3040 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
3041 /*
3042 * At least Host AP driver and a Prism3 card seemed to be
3043 * generating streams of disconnected events when configuring
3044 * IBSS for WPA-None. Ignore them for now.
3045 */
f049052b
BG		 3046 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
3047 "IBSS/WPA-None mode");
6fc6879b
JM		 3048 return;
3049 }
3050
1ac38863
DS		 3051 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
3052 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
3053 locally_generated)
3054 /*
3055 * Remove the inactive AP (which is probably out of range) from
3056 * the BSS list after marking disassociation. In particular
3057 * mac80211-based drivers use the
3058 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
3059 * locally generated disconnection events for cases where the
3060 * AP does not reply anymore.
3061 */
3062 curr = wpa_s->current_bss;
3063
c9a82218 3064 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
6fc6879b
JM		 3065 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
3066 "pre-shared key may be incorrect");
5bf9a6c8
JM		 3067 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
3068 return; /* P2P group removed */
b19c098e 3069 wpas_auth_failed(wpa_s, "WRONG_KEY");
16ef233b
JM		 3070#ifdef CONFIG_DPP2
3071 wpas_dpp_send_conn_status_result(wpa_s,
3072 DPP_STATUS_AUTH_FAILURE);
3073#endif /* CONFIG_DPP2 */
6fc6879b 3074 }
3636b891
JM		 3075 if (!wpa_s->disconnected &&
3076 (!wpa_s->auto_reconnect_disabled ||
6e252b0d 3077 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
5e238cc6
SD		 3078 wpas_wps_searching(wpa_s) ||
3079 wpas_wps_reenable_networks_pending(wpa_s))) {
d00821e9 3080 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
6e252b0d 3081 "reconnect (wps=%d/%d wpa_state=%d)",
f7da5a9e 3082 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
6e252b0d 3083 wpas_wps_searching(wpa_s),
f7da5a9e 3084 wpa_s->wpa_state);
d00821e9
JM		 3085 if (wpa_s->wpa_state == WPA_COMPLETED &&
3086 wpa_s->current_ssid &&
3087 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3d9975d5 3088 !locally_generated &&
d00821e9
JM		 3089 disconnect_reason_recoverable(reason_code)) {
3090 /*
3091 * It looks like the AP has dropped association with
3092 * us, but could allow us to get back in. Try to
3093 * reconnect to the same BSS without full scan to save
3094 * time for some common cases.
3095 */
3096 fast_reconnect = wpa_s->current_bss;
3097 fast_reconnect_ssid = wpa_s->current_ssid;
3098 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
0d0a8ca1 3099 wpa_supplicant_req_scan(wpa_s, 0, 100000);
f7da5a9e
JM		 3100 else
3101 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
3102 "immediate scan");
0d0a8ca1 3103 } else {
d00821e9 3104 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
f049052b 3105 "try to re-connect");
0d0a8ca1
AC		 3106 wpa_s->reassociate = 0;
3107 wpa_s->disconnected = 1;
0d0f7ecb
MS		 3108 if (!wpa_s->pno)
3109 wpa_supplicant_cancel_sched_scan(wpa_s);
0d0a8ca1 3110 }
6fc6879b 3111 bssid = wpa_s->bssid;
a8e16edc 3112 if (is_zero_ether_addr(bssid))
6fc6879b 3113 bssid = wpa_s->pending_bssid;
56d24b4e
JM		 3114 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3115 wpas_connection_failed(wpa_s, bssid);
6fc6879b 3116 wpa_sm_notify_disassoc(wpa_s->wpa);
0bb1e425
GM		 3117 if (locally_generated)
3118 wpa_s->disconnect_reason = -reason_code;
3119 else
3120 wpa_s->disconnect_reason = reason_code;
3121 wpas_notify_disconnect_reason(wpa_s);
6fc6879b 3122 if (wpa_supplicant_dynamic_keys(wpa_s)) {
f049052b 3123 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
6fc6879b
JM		 3124 wpa_clear_keys(wpa_s, wpa_s->bssid);
3125 }
bcdf2096 3126 last_ssid = wpa_s->current_ssid;
6fc6879b 3127 wpa_supplicant_mark_disassoc(wpa_s);
e29853bb 3128
1ac38863
DS		 3129 if (curr)
3130 wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
3131
bcdf2096 3132 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
e29853bb 3133 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
bcdf2096
JM		 3134 wpa_s->current_ssid = last_ssid;
3135 }
d00821e9 3136
eef7235d
JM		 3137 if (fast_reconnect &&
3138 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
3139 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
3140 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
3141 fast_reconnect->ssid_len) &&
dd599908 3142 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
19677b77 3143 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) {
5928411e 3144#ifndef CONFIG_NO_SCAN_PROCESSING
d00821e9
JM		 3145 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
3146 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
3147 fast_reconnect_ssid) < 0) {
3148 /* Recover through full scan */
3149 wpa_supplicant_req_scan(wpa_s, 0, 100000);
3150 }
5928411e 3151#endif /* CONFIG_NO_SCAN_PROCESSING */
eef7235d
JM		 3152 } else if (fast_reconnect) {
3153 /*
3154 * Could not reconnect to the same BSS due to network being
3155 * disabled. Use a new scan to match the alternative behavior
3156 * above, i.e., to continue automatic reconnection attempt in a
3157 * way that enforces disabled network rules.
3158 */
3159 wpa_supplicant_req_scan(wpa_s, 0, 100000);
d00821e9 3160 }
6fc6879b
JM		 3161}
3162
3163
46690a3b 3164#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
01a17491 3165void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
46690a3b
JM		 3166{
3167 struct wpa_supplicant *wpa_s = eloop_ctx;
3168
3169 if (!wpa_s->pending_mic_error_report)
3170 return;
3171
f049052b 3172 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
46690a3b
JM		 3173 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
3174 wpa_s->pending_mic_error_report = 0;
3175}
3176#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3177
3178
6fc6879b
JM		 3179static void
3180wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
3181 union wpa_event_data *data)
3182{
3183 int pairwise;
6473e5c8 3184 struct os_reltime t;
6fc6879b
JM		 3185
3186 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
3187 pairwise = (data && data->michael_mic_failure.unicast);
6473e5c8
JB		 3188 os_get_reltime(&t);
3189 if ((wpa_s->last_michael_mic_error.sec &&
3190 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
46690a3b
JM		 3191 wpa_s->pending_mic_error_report) {
3192 if (wpa_s->pending_mic_error_report) {
3193 /*
3194 * Send the pending MIC error report immediately since
3195 * we are going to start countermeasures and AP better
3196 * do the same.
3197 */
3198 wpa_sm_key_request(wpa_s->wpa, 1,
3199 wpa_s->pending_mic_error_pairwise);
3200 }
3201
3202 /* Send the new MIC error report immediately since we are going
3203 * to start countermeasures and AP better do the same.
3204 */
3205 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3206
6fc6879b
JM		 3207 /* initialize countermeasures */
3208 wpa_s->countermeasures = 1;
8945cc45
BM		 3209
3210 wpa_blacklist_add(wpa_s, wpa_s->bssid);
3211
6fc6879b
JM		 3212 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
3213
3214 /*
3215 * Need to wait for completion of request frame. We do not get
3216 * any callback for the message completion, so just wait a
3217 * short while and hope for the best. */
3218 os_sleep(0, 10000);
3219
3220 wpa_drv_set_countermeasures(wpa_s, 1);
3221 wpa_supplicant_deauthenticate(wpa_s,
3222 WLAN_REASON_MICHAEL_MIC_FAILURE);
3223 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
3224 wpa_s, NULL);
3225 eloop_register_timeout(60, 0,
3226 wpa_supplicant_stop_countermeasures,
3227 wpa_s, NULL);
3228 /* TODO: mark the AP rejected for 60 second. STA is
3229 * allowed to associate with another AP.. */
46690a3b
JM		 3230 } else {
3231#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3232 if (wpa_s->mic_errors_seen) {
3233 /*
3234 * Reduce the effectiveness of Michael MIC error
3235 * reports as a means for attacking against TKIP if
3236 * more than one MIC failure is noticed with the same
3237 * PTK. We delay the transmission of the reports by a
3238 * random time between 0 and 60 seconds in order to
3239 * force the attacker wait 60 seconds before getting
3240 * the information on whether a frame resulted in a MIC
3241 * failure.
3242 */
3243 u8 rval[4];
3244 int sec;
3245
3246 if (os_get_random(rval, sizeof(rval)) < 0)
3247 sec = os_random() % 60;
3248 else
3249 sec = WPA_GET_BE32(rval) % 60;
f049052b
BG		 3250 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
3251 "report %d seconds", sec);
46690a3b
JM		 3252 wpa_s->pending_mic_error_report = 1;
3253 wpa_s->pending_mic_error_pairwise = pairwise;
3254 eloop_cancel_timeout(
3255 wpa_supplicant_delayed_mic_error_report,
3256 wpa_s, NULL);
3257 eloop_register_timeout(
3258 sec, os_random() % 1000000,
3259 wpa_supplicant_delayed_mic_error_report,
3260 wpa_s, NULL);
3261 } else {
3262 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3263 }
3264#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3265 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3266#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
6fc6879b 3267 }
6473e5c8 3268 wpa_s->last_michael_mic_error = t;
46690a3b 3269 wpa_s->mic_errors_seen++;
6fc6879b
JM		 3270}
3271
3272
a83d9c96
SL		 3273#ifdef CONFIG_TERMINATE_ONLASTIF
3274static int any_interfaces(struct wpa_supplicant *head)
3275{
3276 struct wpa_supplicant *wpa_s;
3277
3278 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
3279 if (!wpa_s->interface_removed)
3280 return 1;
3281 return 0;
3282}
3283#endif /* CONFIG_TERMINATE_ONLASTIF */
3284
3285
6fc6879b
JM		 3286static void
3287wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
3288 union wpa_event_data *data)
3289{
3290 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
3291 return;
3292
3293 switch (data->interface_status.ievent) {
3294 case EVENT_INTERFACE_ADDED:
3295 if (!wpa_s->interface_removed)
3296 break;
3297 wpa_s->interface_removed = 0;
f049052b 3298 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
6fc6879b 3299 if (wpa_supplicant_driver_init(wpa_s) < 0) {
f049052b
BG		 3300 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
3301 "driver after interface was added");
6fc6879b 3302 }
f43c1ae7
IP		 3303
3304#ifdef CONFIG_P2P
3305 if (!wpa_s->global->p2p &&
3306 !wpa_s->global->p2p_disabled &&
3307 !wpa_s->conf->p2p_disabled &&
3308 (wpa_s->drv_flags &
3309 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
3310 wpas_p2p_add_p2pdev_interface(
3311 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
3312 wpa_printf(MSG_INFO,
3313 "P2P: Failed to enable P2P Device interface");
3314 /* Try to continue without. P2P will be disabled. */
3315 }
3316#endif /* CONFIG_P2P */
3317
6fc6879b
JM		 3318 break;
3319 case EVENT_INTERFACE_REMOVED:
f049052b 3320 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
6fc6879b
JM		 3321 wpa_s->interface_removed = 1;
3322 wpa_supplicant_mark_disassoc(wpa_s);
cb6710a4 3323 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6fc6879b
JM		 3324 l2_packet_deinit(wpa_s->l2);
3325 wpa_s->l2 = NULL;
f43c1ae7
IP		 3326
3327#ifdef CONFIG_P2P
3328 if (wpa_s->global->p2p &&
3329 wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3330 (wpa_s->drv_flags &
3331 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3332 wpa_dbg(wpa_s, MSG_DEBUG,
3333 "Removing P2P Device interface");
3334 wpa_supplicant_remove_iface(
3335 wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3336 0);
3337 wpa_s->global->p2p_init_wpa_s = NULL;
3338 }
3339#endif /* CONFIG_P2P */
3340
2e997eec
RM		 3341#ifdef CONFIG_MATCH_IFACE
3342 if (wpa_s->matched) {
3343 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3344 break;
3345 }
3346#endif /* CONFIG_MATCH_IFACE */
3347
a83d9c96
SL		 3348#ifdef CONFIG_TERMINATE_ONLASTIF
3349 /* check if last interface */
3350 if (!any_interfaces(wpa_s->global->ifaces))
3351 eloop_terminate();
3352#endif /* CONFIG_TERMINATE_ONLASTIF */
6fc6879b
JM		 3353 break;
3354 }
3355}
3356
3357
281ff0aa
GP		 3358#ifdef CONFIG_TDLS
3359static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3360 union wpa_event_data *data)
3361{
3362 if (data == NULL)
3363 return;
3364 switch (data->tdls.oper) {
3365 case TDLS_REQUEST_SETUP:
3887878e
SD		 3366 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3367 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3368 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3369 else
3370 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
281ff0aa
GP		 3371 break;
3372 case TDLS_REQUEST_TEARDOWN:
f130b105
SD		 3373 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3374 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3375 data->tdls.reason_code);
3376 else
3377 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3378 data->tdls.peer);
281ff0aa 3379 break;
c10ca2a6
SD		 3380 case TDLS_REQUEST_DISCOVER:
3381 wpa_tdls_send_discovery_request(wpa_s->wpa,
3382 data->tdls.peer);
3383 break;
281ff0aa
GP		 3384 }
3385}
3386#endif /* CONFIG_TDLS */
3387
3388
ad3872a3 3389#ifdef CONFIG_WNM
75cad1a0
XC		 3390static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3391 union wpa_event_data *data)
3392{
3393 if (data == NULL)
3394 return;
3395 switch (data->wnm.oper) {
3396 case WNM_OPER_SLEEP:
3397 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3398 "(action=%d, intval=%d)",
3399 data->wnm.sleep_action, data->wnm.sleep_intval);
3400 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
cd0ef657 3401 data->wnm.sleep_intval, NULL);
75cad1a0
XC		 3402 break;
3403 }
3404}
ad3872a3 3405#endif /* CONFIG_WNM */
75cad1a0
XC		 3406
3407
6fc6879b
JM		 3408#ifdef CONFIG_IEEE80211R
3409static void
3410wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3411 union wpa_event_data *data)
3412{
3413 if (data == NULL)
3414 return;
3415
3416 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3417 data->ft_ies.ies_len,
3418 data->ft_ies.ft_action,
babfbf15
JM		 3419 data->ft_ies.target_ap,
3420 data->ft_ies.ric_ies,
3421 data->ft_ies.ric_ies_len) < 0) {
6fc6879b
JM		 3422 /* TODO: prevent MLME/driver from trying to associate? */
3423 }
3424}
3425#endif /* CONFIG_IEEE80211R */
3426
3427
11ef8d35
JM		 3428#ifdef CONFIG_IBSS_RSN
3429static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3430 union wpa_event_data *data)
3431{
df4bc509 3432 struct wpa_ssid *ssid;
df418245
XC		 3433 if (wpa_s->wpa_state < WPA_ASSOCIATED)
3434 return;
11ef8d35
JM		 3435 if (data == NULL)
3436 return;
df4bc509
JM		 3437 ssid = wpa_s->current_ssid;
3438 if (ssid == NULL)
3439 return;
3440 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3441 return;
3442
11ef8d35
JM		 3443 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3444}
13adc57b
AQ		 3445
3446
3447static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3448 union wpa_event_data *data)
3449{
3450 struct wpa_ssid *ssid = wpa_s->current_ssid;
3451
3452 if (ssid == NULL)
3453 return;
3454
3455 /* check if the ssid is correctly configured as IBSS/RSN */
3456 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3457 return;
3458
3459 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3460 data->rx_mgmt.frame_len);
3461}
11ef8d35
JM		 3462#endif /* CONFIG_IBSS_RSN */
3463
3464
036f7c4a
JM		 3465#ifdef CONFIG_IEEE80211R
3466static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3467 size_t len)
3468{
3469 const u8 *sta_addr, *target_ap_addr;
3470 u16 status;
3471
3472 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3473 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3474 return; /* only SME case supported for now */
3475 if (len < 1 + 2 * ETH_ALEN + 2)
3476 return;
3477 if (data[0] != 2)
3478 return; /* Only FT Action Response is supported for now */
3479 sta_addr = data + 1;
3480 target_ap_addr = data + 1 + ETH_ALEN;
3481 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
f049052b
BG		 3482 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3483 MACSTR " TargetAP " MACSTR " status %u",
3484 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
036f7c4a
JM		 3485
3486 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
f049052b
BG		 3487 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3488 " in FT Action Response", MAC2STR(sta_addr));
036f7c4a
JM		 3489 return;
3490 }
3491
3492 if (status) {
f049052b
BG		 3493 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3494 "failure (status code %d)", status);
036f7c4a
JM		 3495 /* TODO: report error to FT code(?) */
3496 return;
3497 }
3498
3499 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3500 len - (1 + 2 * ETH_ALEN + 2), 1,
3501 target_ap_addr, NULL, 0) < 0)
3502 return;
3503
fe191985
JM		 3504#ifdef CONFIG_SME
3505 {
3506 struct wpa_bss *bss;
3507 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3508 if (bss)
3509 wpa_s->sme.freq = bss->freq;
62c72d72 3510 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
fe191985
JM		 3511 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3512 WLAN_AUTH_FT);
3513 }
3514#endif /* CONFIG_SME */
036f7c4a
JM		 3515}
3516#endif /* CONFIG_IEEE80211R */
3517
3518
7d878ca7
JM		 3519static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3520 struct unprot_deauth *e)
3521{
7d878ca7
JM		 3522 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3523 "dropped: " MACSTR " -> " MACSTR
3524 " (reason code %u)",
3525 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3526 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
7d878ca7
JM		 3527}
3528
3529
3530static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3531 struct unprot_disassoc *e)
3532{
7d878ca7
JM		 3533 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3534 "dropped: " MACSTR " -> " MACSTR
3535 " (reason code %u)",
3536 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3537 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
7d878ca7
JM		 3538}
3539
3540
d7df0fa7
JM		 3541static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3542 u16 reason_code, int locally_generated,
3543 const u8 *ie, size_t ie_len, int deauth)
3544{
3545#ifdef CONFIG_AP
3546 if (wpa_s->ap_iface && addr) {
3547 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3548 return;
3549 }
3550
3551 if (wpa_s->ap_iface) {
3552 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3553 return;
3554 }
3555#endif /* CONFIG_AP */
3556
c2805909
JM		 3557 if (!locally_generated)
3558 wpa_s->own_disconnect_req = 0;
3559
d7df0fa7
JM		 3560 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3561
c60ba9f7
JM		 3562 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3563 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3564 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3565 eapol_sm_failed(wpa_s->eapol))) &&
3566 !wpa_s->eap_expected_failure))
b19c098e 3567 wpas_auth_failed(wpa_s, "AUTH_FAILED");
d7df0fa7
JM		 3568
3569#ifdef CONFIG_P2P
43ee4704 3570 if (deauth && reason_code > 0) {
d7df0fa7
JM		 3571 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3572 locally_generated) > 0) {
3573 /*
3574 * The interface was removed, so cannot continue
3575 * processing any additional operations after this.
3576 */
3577 return;
3578 }
3579 }
3580#endif /* CONFIG_P2P */
3581
3582 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3583 locally_generated);
3584}
3585
3586
3587static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3588 struct disassoc_info *info)
3589{
3590 u16 reason_code = 0;
3591 int locally_generated = 0;
3592 const u8 *addr = NULL;
3593 const u8 *ie = NULL;
3594 size_t ie_len = 0;
3595
3596 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3597
3598 if (info) {
3599 addr = info->addr;
3600 ie = info->ie;
3601 ie_len = info->ie_len;
3602 reason_code = info->reason_code;
3603 locally_generated = info->locally_generated;
cfde99a8
AK		 3604 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code,
3605 reason2str(reason_code),
3606 locally_generated ? " locally_generated=1" : "");
d7df0fa7
JM		 3607 if (addr)
3608 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3609 MAC2STR(addr));
3610 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3611 ie, ie_len);
3612 }
3613
3614#ifdef CONFIG_AP
3615 if (wpa_s->ap_iface && info && info->addr) {
3616 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3617 return;
3618 }
3619
3620 if (wpa_s->ap_iface) {
3621 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3622 return;
3623 }
3624#endif /* CONFIG_AP */
3625
3626#ifdef CONFIG_P2P
3627 if (info) {
3628 wpas_p2p_disassoc_notif(
3629 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3630 locally_generated);
3631 }
3632#endif /* CONFIG_P2P */
3633
3634 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3635 sme_event_disassoc(wpa_s, info);
3636
3637 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3638 ie, ie_len, 0);
3639}
3640
3641
3642static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3643 struct deauth_info *info)
3644{
3645 u16 reason_code = 0;
3646 int locally_generated = 0;
3647 const u8 *addr = NULL;
3648 const u8 *ie = NULL;
3649 size_t ie_len = 0;
3650
3651 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3652
3653 if (info) {
3654 addr = info->addr;
3655 ie = info->ie;
3656 ie_len = info->ie_len;
3657 reason_code = info->reason_code;
3658 locally_generated = info->locally_generated;
cfde99a8
AK		 3659 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s",
3660 reason_code, reason2str(reason_code),
3661 locally_generated ? " locally_generated=1" : "");
d7df0fa7
JM		 3662 if (addr) {
3663 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3664 MAC2STR(addr));
3665 }
3666 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3667 ie, ie_len);
3668 }
3669
3670 wpa_reset_ft_completed(wpa_s->wpa);
3671
3672 wpas_event_disconnect(wpa_s, addr, reason_code,
3673 locally_generated, ie, ie_len, 1);
3674}
3675
3676
142817b2
JM		 3677static const char * reg_init_str(enum reg_change_initiator init)
3678{
3679 switch (init) {
3680 case REGDOM_SET_BY_CORE:
3681 return "CORE";
3682 case REGDOM_SET_BY_USER:
3683 return "USER";
3684 case REGDOM_SET_BY_DRIVER:
3685 return "DRIVER";
3686 case REGDOM_SET_BY_COUNTRY_IE:
3687 return "COUNTRY_IE";
3688 case REGDOM_BEACON_HINT:
3689 return "BEACON_HINT";
3690 }
3691 return "?";
3692}
3693
3694
3695static const char * reg_type_str(enum reg_type type)
3696{
3697 switch (type) {
3698 case REGDOM_TYPE_UNKNOWN:
3699 return "UNKNOWN";
3700 case REGDOM_TYPE_COUNTRY:
3701 return "COUNTRY";
3702 case REGDOM_TYPE_WORLD:
3703 return "WORLD";
3704 case REGDOM_TYPE_CUSTOM_WORLD:
3705 return "CUSTOM_WORLD";
3706 case REGDOM_TYPE_INTERSECTION:
3707 return "INTERSECTION";
3708 }
3709 return "?";
3710}
3711
3712
32bb47fa
JM		 3713void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
3714 struct channel_list_changed *info)
731ca636 3715{
731ca636 3716 struct wpa_supplicant *ifs;
aa56e36d 3717 u8 dfs_domain;
731ca636 3718
3b11ad34
IP		 3719 /*
3720 * To allow backwards compatibility with higher level layers that
3721 * assumed the REGDOM_CHANGE event is sent over the initially added
3722 * interface. Find the highest parent of this interface and use it to
3723 * send the event.
3724 */
3725 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3726 ;
3727
32bb47fa
JM		 3728 if (info) {
3729 wpa_msg(ifs, MSG_INFO,
3730 WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
3731 reg_init_str(info->initiator), reg_type_str(info->type),
3732 info->alpha2[0] ? " alpha2=" : "",
3733 info->alpha2[0] ? info->alpha2 : "");
3734 }
142817b2 3735
731ca636
VKE		 3736 if (wpa_s->drv_priv == NULL)
3737 return; /* Ignore event during drv initialization */
3738
c67e7e2a
JM		 3739 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3740 radio_list) {
0f4bccdb
AN		 3741 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3742 ifs->ifname);
3743 free_hw_features(ifs);
3744 ifs->hw.modes = wpa_drv_get_hw_feature_data(
aa56e36d 3745 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
6ceea4c3 3746
ebf59eb5
AN		 3747 /* Restart PNO/sched_scan with updated channel list */
3748 if (ifs->pno) {
3749 wpas_stop_pno(ifs);
3750 wpas_start_pno(ifs);
3751 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3752 wpa_dbg(ifs, MSG_DEBUG,
3753 "Channel list changed - restart sched_scan");
3754 wpas_scan_restart_sched_scan(ifs);
3755 }
6ceea4c3 3756 }
0f4bccdb 3757
3a8f008a 3758 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
731ca636
VKE		 3759}
3760
3761
dbfb8e82 3762static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
70d1e728
AO		 3763 const u8 *frame, size_t len, int freq,
3764 int rssi)
dbfb8e82 3765{
70d95373 3766 const struct ieee80211_mgmt *mgmt;
dbfb8e82
JM		 3767 const u8 *payload;
3768 size_t plen;
3769 u8 category;
3770
3771 if (len < IEEE80211_HDRLEN + 2)
3772 return;
3773
70d95373
JM		 3774 mgmt = (const struct ieee80211_mgmt *) frame;
3775 payload = frame + IEEE80211_HDRLEN;
dbfb8e82 3776 category = *payload++;
70d95373 3777 plen = len - IEEE80211_HDRLEN - 1;
dbfb8e82
JM		 3778
3779 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3780 " Category=%u DataLen=%d freq=%d MHz",
3781 MAC2STR(mgmt->sa), category, (int) plen, freq);
3782
d1f88001
MB		 3783 if (category == WLAN_ACTION_WMM) {
3784 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3785 return;
3786 }
3787
dbfb8e82
JM		 3788#ifdef CONFIG_IEEE80211R
3789 if (category == WLAN_ACTION_FT) {
3790 ft_rx_action(wpa_s, payload, plen);
3791 return;
3792 }
3793#endif /* CONFIG_IEEE80211R */
3794
dbfb8e82
JM		 3795#ifdef CONFIG_SME
3796 if (category == WLAN_ACTION_SA_QUERY) {
3797 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3798 return;
3799 }
3800#endif /* CONFIG_SME */
dbfb8e82
JM		 3801
3802#ifdef CONFIG_WNM
3803 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3804 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3805 return;
3806 }
3807#endif /* CONFIG_WNM */
3808
3809#ifdef CONFIG_GAS
c5a64e2d
JM		 3810 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3811 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
dbfb8e82 3812 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
c5a64e2d 3813 mgmt->u.action.category,
dbfb8e82
JM		 3814 payload, plen, freq) == 0)
3815 return;
3816#endif /* CONFIG_GAS */
3817
461d39af
JM		 3818#ifdef CONFIG_GAS_SERVER
3819 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3820 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3821 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
3822 mgmt->u.action.category,
3823 payload, plen, freq) == 0)
3824 return;
3825#endif /* CONFIG_GAS_SERVER */
3826
dbfb8e82
JM		 3827#ifdef CONFIG_TDLS
3828 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3829 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3830 wpa_dbg(wpa_s, MSG_DEBUG,
3831 "TDLS: Received Discovery Response from " MACSTR,
3832 MAC2STR(mgmt->sa));
3833 return;
3834 }
3835#endif /* CONFIG_TDLS */
3836
3837#ifdef CONFIG_INTERWORKING
3838 if (category == WLAN_ACTION_QOS && plen >= 1 &&
3839 payload[0] == QOS_QOS_MAP_CONFIG) {
3840 const u8 *pos = payload + 1;
3841 size_t qlen = plen - 1;
3842 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3843 MACSTR, MAC2STR(mgmt->sa));
3844 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3845 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3846 pos[1] <= qlen - 2 && pos[1] >= 16)
3847 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3848 return;
3849 }
3850#endif /* CONFIG_INTERWORKING */
3851
4a742011
DS		 3852 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3853 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3854 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
b3c148e9 3855 mgmt->da,
4a742011
DS		 3856 payload + 1,
3857 plen - 1);
3858 return;
3859 }
3860
d89c0701
AK		 3861 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3862 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3863 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3864 return;
3865 }
3866
70d1e728
AO		 3867 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3868 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3869 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3870 payload + 1, plen - 1,
3871 rssi);
3872 return;
3873 }
3874
9fbfd1b0
AN		 3875#ifdef CONFIG_FST
3876 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3877 fst_rx_action(wpa_s->fst, mgmt, len);
3878 return;
3879 }
3880#endif /* CONFIG_FST */
3881
30d27b04
JM		 3882#ifdef CONFIG_DPP
3883 if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
3884 payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
3885 WPA_GET_BE24(&payload[1]) == OUI_WFA &&
3886 payload[4] == DPP_OUI_TYPE) {
dc4d271c
JM		 3887 payload++;
3888 plen--;
30d27b04
JM		 3889 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
3890 return;
3891 }
3892#endif /* CONFIG_DPP */
3893
dbfb8e82
JM		 3894 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3895 category, payload, plen, freq);
5f92659d
BC		 3896 if (wpa_s->ifmsh)
3897 mesh_mpm_action_rx(wpa_s, mgmt, len);
dbfb8e82
JM		 3898}
3899
3900
253f2e37
AH		 3901static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3902 union wpa_event_data *event)
3903{
253f2e37
AH		 3904 struct wpa_freq_range_list *list;
3905 char *str = NULL;
3906
3907 list = &event->freq_range;
3908
3909 if (list->num)
3910 str = freq_range_list_str(list);
3911 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3912 str ? str : "");
3913
3914#ifdef CONFIG_P2P
3915 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3916 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3917 __func__);
3918 } else {
3919 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
253f2e37 3920
a7160f7e
IP		 3921 /*
3922 * The update channel flow will also take care of moving a GO
3923 * from the unsafe frequency if needed.
3924 */
3a8f008a
IP		 3925 wpas_p2p_update_channel_list(wpa_s,
3926 WPAS_P2P_CHANNEL_UPDATE_AVOID);
253f2e37
AH		 3927 }
3928#endif /* CONFIG_P2P */
3929
3930 os_free(str);
3931}
3932
3933
b8e88d35 3934static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
b41f2684 3935{
b41f2684
CL		 3936 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3937 wpa_supplicant_cancel_auth_timeout(wpa_s);
3938 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3939 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3940 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
b0b25c5b 3941 wpa_s->drv_authorized_port = 1;
b41f2684 3942 }
b8e88d35
AS		 3943}
3944
3945
37547ad6
DL		 3946static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
3947 int freq)
3948{
3949 size_t i;
3950 int j;
3951
3952 for (i = 0; i < wpa_s->hw.num_modes; i++) {
3953 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
3954
3955 for (j = 0; j < mode->num_channels; j++) {
3956 const struct hostapd_channel_data *chan;
3957
3958 chan = &mode->channels[j];
3959 if (chan->freq == freq)
3960 return chan->dfs_cac_ms;
3961 }
3962 }
3963
3964 return 0;
3965}
3966
3967
3968static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
3969 struct dfs_event *radar)
3970{
3971#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
0332c27e 3972 if (wpa_s->ap_iface || wpa_s->ifmsh) {
37547ad6
DL		 3973 wpas_ap_event_dfs_cac_started(wpa_s, radar);
3974 } else
3975#endif /* NEED_AP_MLME && CONFIG_AP */
3976 {
3977 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);
3978
3979 cac_time /= 1000; /* convert from ms to sec */
3980 if (!cac_time)
3981 cac_time = 10 * 60; /* max timeout: 10 minutes */
3982
3983 /* Restart auth timeout: CAC time added to initial timeout */
3984 wpas_auth_timeout_restart(wpa_s, cac_time);
3985 }
3986}
3987
3988
3989static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
3990 struct dfs_event *radar)
3991{
3992#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
0332c27e 3993 if (wpa_s->ap_iface || wpa_s->ifmsh) {
37547ad6
DL		 3994 wpas_ap_event_dfs_cac_finished(wpa_s, radar);
3995 } else
3996#endif /* NEED_AP_MLME && CONFIG_AP */
3997 {
3998 /* Restart auth timeout with original value after CAC is
3999 * finished */
4000 wpas_auth_timeout_restart(wpa_s, 0);
4001 }
4002}
4003
4004
4005static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
4006 struct dfs_event *radar)
4007{
4008#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
0332c27e 4009 if (wpa_s->ap_iface || wpa_s->ifmsh) {
37547ad6
DL		 4010 wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
4011 } else
4012#endif /* NEED_AP_MLME && CONFIG_AP */
4013 {
4014 /* Restart auth timeout with original value after CAC is
4015 * aborted */
4016 wpas_auth_timeout_restart(wpa_s, 0);
4017 }
4018}
4019
4020
b8e88d35
AS		 4021static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
4022 union wpa_event_data *data)
4023{
4024 wpa_dbg(wpa_s, MSG_DEBUG,
4025 "Connection authorized by device, previous state %d",
4026 wpa_s->wpa_state);
4027
4028 wpa_supplicant_event_port_authorized(wpa_s);
4029
b0a21e22 4030 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
b41f2684 4031 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
98cd3d1c
JM		 4032 data->assoc_info.ptk_kck_len,
4033 data->assoc_info.ptk_kek,
4034 data->assoc_info.ptk_kek_len);
01ef320f
VK		 4035#ifdef CONFIG_FILS
4036 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
f705f41b
VK		 4037 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
4038 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
4039
01ef320f
VK		 4040 /* Update ERP next sequence number */
4041 eapol_sm_update_erp_next_seq_num(
4042 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
f705f41b
VK		 4043
4044 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
4045 /* Add the new PMK and PMKID to the PMKSA cache */
4046 wpa_sm_pmksa_cache_add(wpa_s->wpa,
4047 data->assoc_info.fils_pmk,
4048 data->assoc_info.fils_pmk_len,
4049 data->assoc_info.fils_pmkid,
4050 wpa_s->bssid, fils_cache_id);
4051 } else if (data->assoc_info.fils_pmkid) {
4052 /* Update the current PMKSA used for this connection */
4053 pmksa_cache_set_current(wpa_s->wpa,
4054 data->assoc_info.fils_pmkid,
852b2f27 4055 NULL, NULL, 0, NULL, 0);
f705f41b 4056 }
01ef320f 4057 }
01ef320f 4058#endif /* CONFIG_FILS */
b41f2684
CL		 4059}
4060
4061
0cc41ee6
JM		 4062static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
4063 union wpa_event_data *data)
4064{
4065 const u8 *bssid = data->assoc_reject.bssid;
a8391db7
AB		 4066#ifdef CONFIG_MBO
4067 struct wpa_bss *reject_bss;
4068#endif /* CONFIG_MBO */
0cc41ee6
JM		 4069
4070 if (!bssid || is_zero_ether_addr(bssid))
4071 bssid = wpa_s->pending_bssid;
a8391db7
AB		 4072#ifdef CONFIG_MBO
4073 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4074 reject_bss = wpa_s->current_bss;
4075 else
4076 reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
4077#endif /* CONFIG_MBO */
0cc41ee6
JM		 4078
4079 if (data->assoc_reject.bssid)
4080 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4081 "bssid=" MACSTR " status_code=%u%s%s%s",
4082 MAC2STR(data->assoc_reject.bssid),
4083 data->assoc_reject.status_code,
4084 data->assoc_reject.timed_out ? " timeout" : "",
4085 data->assoc_reject.timeout_reason ? "=" : "",
4086 data->assoc_reject.timeout_reason ?
4087 data->assoc_reject.timeout_reason : "");
4088 else
4089 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4090 "status_code=%u%s%s%s",
4091 data->assoc_reject.status_code,
4092 data->assoc_reject.timed_out ? " timeout" : "",
4093 data->assoc_reject.timeout_reason ? "=" : "",
4094 data->assoc_reject.timeout_reason ?
4095 data->assoc_reject.timeout_reason : "");
4096 wpa_s->assoc_status_code = data->assoc_reject.status_code;
4097 wpas_notify_assoc_status_code(wpa_s);
4098
4099#ifdef CONFIG_OWE
4100 if (data->assoc_reject.status_code ==
4101 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
4102 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
4103 wpa_s->current_ssid &&
4104 wpa_s->current_ssid->owe_group == 0 &&
4105 wpa_s->last_owe_group != 21) {
4106 struct wpa_ssid *ssid = wpa_s->current_ssid;
4107 struct wpa_bss *bss = wpa_s->current_bss;
4108
4109 if (!bss) {
4110 bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
ffff7f70
JM		 4111 if (!bss) {
4112 wpas_connection_failed(wpa_s, bssid);
4113 wpa_supplicant_mark_disassoc(wpa_s);
0cc41ee6 4114 return;
ffff7f70 4115 }
0cc41ee6
JM		 4116 }
4117 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
4118 wpas_connect_work_done(wpa_s);
4119 wpa_supplicant_mark_disassoc(wpa_s);
4120 wpa_supplicant_connect(wpa_s, bss, ssid);
4121 return;
4122 }
4123#endif /* CONFIG_OWE */
4124
19677b77
BL		 4125#ifdef CONFIG_MBO
4126 if (data->assoc_reject.status_code ==
4127 WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
a8391db7 4128 reject_bss && data->assoc_reject.resp_ies) {
19677b77
BL		 4129 const u8 *rssi_rej;
4130
4131 rssi_rej = mbo_get_attr_from_ies(
4132 data->assoc_reject.resp_ies,
4133 data->assoc_reject.resp_ies_len,
4134 OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
4135 if (rssi_rej && rssi_rej[1] == 2) {
4136 wpa_printf(MSG_DEBUG,
4137 "OCE: RSSI-based association rejection from "
4138 MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
a8391db7 4139 MAC2STR(reject_bss->bssid),
19677b77
BL		 4140 rssi_rej[2], rssi_rej[3]);
4141 wpa_bss_tmp_disallow(wpa_s,
a8391db7 4142 reject_bss->bssid,
19677b77 4143 rssi_rej[3],
a8391db7 4144 rssi_rej[2] + reject_bss->level);
19677b77
BL		 4145 }
4146 }
4147#endif /* CONFIG_MBO */
4148
0cc41ee6
JM		 4149 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
4150 sme_event_assoc_reject(wpa_s, data);
4151 return;
4152 }
4153
4154 /* Driver-based SME cases */
4155
4156#ifdef CONFIG_SAE
4157 if (wpa_s->current_ssid &&
4158 wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
4159 !data->assoc_reject.timed_out) {
4160 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
4161 wpa_sm_aborted_cached(wpa_s->wpa);
4162 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4163 }
4164#endif /* CONFIG_SAE */
4165
50b77f50
SD		 4166#ifdef CONFIG_DPP
4167 if (wpa_s->current_ssid &&
4168 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
4169 !data->assoc_reject.timed_out) {
4170 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
4171 wpa_sm_aborted_cached(wpa_s->wpa);
4172 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4173 }
4174#endif /* CONFIG_DPP */
4175
0cc41ee6
JM		 4176#ifdef CONFIG_FILS
4177 /* Update ERP next sequence number */
af835d75 4178 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
0cc41ee6
JM		 4179 eapol_sm_update_erp_next_seq_num(
4180 wpa_s->eapol,
4181 data->assoc_reject.fils_erp_next_seq_num);
af835d75
AB		 4182 fils_connection_failure(wpa_s);
4183 }
0cc41ee6
JM		 4184#endif /* CONFIG_FILS */
4185
4186 wpas_connection_failed(wpa_s, bssid);
4187 wpa_supplicant_mark_disassoc(wpa_s);
4188}
4189
4190
9646a8ab 4191void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6fc6879b
JM		 4192 union wpa_event_data *data)
4193{
4194 struct wpa_supplicant *wpa_s = ctx;
02e122a9 4195 int resched;
3d1d4691
JM		 4196#ifndef CONFIG_NO_STDOUT_DEBUG
4197 int level = MSG_DEBUG;
4198#endif /* CONFIG_NO_STDOUT_DEBUG */
6fc6879b 4199
8401a6b0
JM		 4200 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
4201 event != EVENT_INTERFACE_ENABLED &&
9b6f44cb 4202 event != EVENT_INTERFACE_STATUS &&
1446afc8 4203 event != EVENT_SCAN_RESULTS &&
9b6f44cb 4204 event != EVENT_SCHED_SCAN_STOPPED) {
6c3771d7
BG		 4205 wpa_dbg(wpa_s, MSG_DEBUG,
4206 "Ignore event %s (%d) while interface is disabled",
4207 event_to_string(event), event);
8401a6b0
JM		 4208 return;
4209 }
4210
74781dfc 4211#ifndef CONFIG_NO_STDOUT_DEBUG
eab6f5e0 4212 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
74781dfc
JM		 4213 const struct ieee80211_hdr *hdr;
4214 u16 fc;
4215 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
4216 fc = le_to_host16(hdr->frame_control);
4217 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4218 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
4219 level = MSG_EXCESSIVE;
4220 }
4221
4222 wpa_dbg(wpa_s, level, "Event %s (%d) received",
6c3771d7 4223 event_to_string(event), event);
74781dfc 4224#endif /* CONFIG_NO_STDOUT_DEBUG */
9b7124b2 4225
6fc6879b 4226 switch (event) {
c2a04078 4227 case EVENT_AUTH:
ea708118 4228#ifdef CONFIG_FST
58059e6c
JM		 4229 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
4230 data->auth.ies_len))
4231 wpa_printf(MSG_DEBUG,
4232 "FST: MB IEs updated from auth IE");
ea708118 4233#endif /* CONFIG_FST */
c2a04078 4234 sme_event_auth(wpa_s, data);
38b405c8
AK		 4235 wpa_s->auth_status_code = data->auth.status_code;
4236 wpas_notify_auth_status_code(wpa_s);
c2a04078 4237 break;
6fc6879b 4238 case EVENT_ASSOC:
02adead5
MK		 4239#ifdef CONFIG_TESTING_OPTIONS
4240 if (wpa_s->ignore_auth_resp) {
4241 wpa_printf(MSG_INFO,
4242 "EVENT_ASSOC - ignore_auth_resp active!");
4243 break;
4244 }
daa40960
JM		 4245 if (wpa_s->testing_resend_assoc) {
4246 wpa_printf(MSG_INFO,
4247 "EVENT_DEAUTH - testing_resend_assoc");
4248 break;
4249 }
02adead5 4250#endif /* CONFIG_TESTING_OPTIONS */
6fc6879b 4251 wpa_supplicant_event_assoc(wpa_s, data);
698c9e20 4252 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
da143f7f
JM		 4253 if (data &&
4254 (data->assoc_info.authorized ||
4255 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4256 wpa_fils_is_completed(wpa_s->wpa))))
b41f2684 4257 wpa_supplicant_event_assoc_auth(wpa_s, data);
f32227ed
RJ		 4258 if (data) {
4259 wpa_msg(wpa_s, MSG_INFO,
4260 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
4261 data->assoc_info.subnet_status);
4262 }
6fc6879b
JM		 4263 break;
4264 case EVENT_DISASSOC:
d7df0fa7
JM		 4265 wpas_event_disassoc(wpa_s,
4266 data ? &data->disassoc_info : NULL);
4267 break;
a84ed99e 4268 case EVENT_DEAUTH:
02adead5
MK		 4269#ifdef CONFIG_TESTING_OPTIONS
4270 if (wpa_s->ignore_auth_resp) {
4271 wpa_printf(MSG_INFO,
4272 "EVENT_DEAUTH - ignore_auth_resp active!");
4273 break;
4274 }
daa40960
JM		 4275 if (wpa_s->testing_resend_assoc) {
4276 wpa_printf(MSG_INFO,
4277 "EVENT_DEAUTH - testing_resend_assoc");
4278 break;
4279 }
02adead5 4280#endif /* CONFIG_TESTING_OPTIONS */
d7df0fa7
JM		 4281 wpas_event_deauth(wpa_s,
4282 data ? &data->deauth_info : NULL);
6fc6879b
JM		 4283 break;
4284 case EVENT_MICHAEL_MIC_FAILURE:
4285 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
4286 break;
4287#ifndef CONFIG_NO_SCAN_PROCESSING
a5f40eff 4288 case EVENT_SCAN_STARTED:
adcd7c4b
KV		 4289 if (wpa_s->own_scan_requested ||
4290 (data && !data->scan_info.external_scan)) {
dc3906cb
JM		 4291 struct os_reltime diff;
4292
adcd7c4b 4293 os_get_reltime(&wpa_s->scan_start_time);
dc3906cb
JM		 4294 os_reltime_sub(&wpa_s->scan_start_time,
4295 &wpa_s->scan_trigger_time, &diff);
4296 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
4297 diff.sec, diff.usec);
a5f40eff
JM		 4298 wpa_s->own_scan_requested = 0;
4299 wpa_s->own_scan_running = 1;
d81c73be
JM		 4300 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
4301 wpa_s->manual_scan_use_id) {
abc05534
DS		 4302 wpa_msg_ctrl(wpa_s, MSG_INFO,
4303 WPA_EVENT_SCAN_STARTED "id=%u",
4304 wpa_s->manual_scan_id);
d81c73be 4305 } else {
abc05534
DS		 4306 wpa_msg_ctrl(wpa_s, MSG_INFO,
4307 WPA_EVENT_SCAN_STARTED);
d81c73be 4308 }
a5f40eff
JM		 4309 } else {
4310 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
d90bfa97 4311 wpa_s->radio->external_scan_running = 1;
abc05534 4312 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
a5f40eff
JM		 4313 }
4314 break;
6fc6879b 4315 case EVENT_SCAN_RESULTS:
1446afc8
IP		 4316 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4317 wpa_s->scan_res_handler = NULL;
4318 wpa_s->own_scan_running = 0;
4319 wpa_s->radio->external_scan_running = 0;
4320 wpa_s->last_scan_req = NORMAL_SCAN_REQ;
4321 break;
4322 }
4323
adcd7c4b
KV		 4324 if (!(data && data->scan_info.external_scan) &&
4325 os_reltime_initialized(&wpa_s->scan_start_time)) {
dc3906cb
JM		 4326 struct os_reltime now, diff;
4327 os_get_reltime(&now);
4328 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
4329 wpa_s->scan_start_time.sec = 0;
4330 wpa_s->scan_start_time.usec = 0;
4331 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
4332 diff.sec, diff.usec);
4333 }
b0e669be
JM		 4334 if (wpa_supplicant_event_scan_results(wpa_s, data))
4335 break; /* interface may have been removed */
adcd7c4b
KV		 4336 if (!(data && data->scan_info.external_scan))
4337 wpa_s->own_scan_running = 0;
4338 if (data && data->scan_info.nl_scan_event)
4339 wpa_s->radio->external_scan_running = 0;
6428d0a7 4340 radio_work_check_next(wpa_s);
6fc6879b
JM		 4341 break;
4342#endif /* CONFIG_NO_SCAN_PROCESSING */
4343 case EVENT_ASSOCINFO:
4344 wpa_supplicant_event_associnfo(wpa_s, data);
4345 break;
4346 case EVENT_INTERFACE_STATUS:
4347 wpa_supplicant_event_interface_status(wpa_s, data);
4348 break;
4349 case EVENT_PMKID_CANDIDATE:
4350 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
4351 break;
281ff0aa
GP		 4352#ifdef CONFIG_TDLS
4353 case EVENT_TDLS:
4354 wpa_supplicant_event_tdls(wpa_s, data);
4355 break;
4356#endif /* CONFIG_TDLS */
ad3872a3 4357#ifdef CONFIG_WNM
75cad1a0
XC		 4358 case EVENT_WNM:
4359 wpa_supplicant_event_wnm(wpa_s, data);
4360 break;
ad3872a3 4361#endif /* CONFIG_WNM */
6fc6879b
JM		 4362#ifdef CONFIG_IEEE80211R
4363 case EVENT_FT_RESPONSE:
4364 wpa_supplicant_event_ft_response(wpa_s, data);
4365 break;
4366#endif /* CONFIG_IEEE80211R */
11ef8d35
JM		 4367#ifdef CONFIG_IBSS_RSN
4368 case EVENT_IBSS_RSN_START:
4369 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
4370 break;
4371#endif /* CONFIG_IBSS_RSN */
efa46078 4372 case EVENT_ASSOC_REJECT:
0cc41ee6 4373 wpas_event_assoc_reject(wpa_s, data);
efa46078 4374 break;
da1fb17c 4375 case EVENT_AUTH_TIMED_OUT:
9a700ff9
JM		 4376 /* It is possible to get this event from earlier connection */
4377 if (wpa_s->current_ssid &&
4378 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4379 wpa_dbg(wpa_s, MSG_DEBUG,
4380 "Ignore AUTH_TIMED_OUT in mesh configuration");
4381 break;
4382 }
ea78c315
JM		 4383 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4384 sme_event_auth_timed_out(wpa_s, data);
da1fb17c
JM		 4385 break;
4386 case EVENT_ASSOC_TIMED_OUT:
9a700ff9
JM		 4387 /* It is possible to get this event from earlier connection */
4388 if (wpa_s->current_ssid &&
4389 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4390 wpa_dbg(wpa_s, MSG_DEBUG,
4391 "Ignore ASSOC_TIMED_OUT in mesh configuration");
4392 break;
4393 }
ea78c315
JM		 4394 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4395 sme_event_assoc_timed_out(wpa_s, data);
da1fb17c 4396 break;
f8b1f695 4397 case EVENT_TX_STATUS:
f049052b
BG		 4398 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
4399 " type=%d stype=%d",
4400 MAC2STR(data->tx_status.dst),
4401 data->tx_status.type, data->tx_status.stype);
24f6497c 4402#ifdef CONFIG_AP
9bae1be0 4403 if (wpa_s->ap_iface == NULL) {
24f6497c 4404#ifdef CONFIG_OFFCHANNEL
9bae1be0
JM		 4405 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4406 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
24f6497c 4407 offchannel_send_action_tx_status(
9bae1be0
JM		 4408 wpa_s, data->tx_status.dst,
4409 data->tx_status.data,
4410 data->tx_status.data_len,
93b7ddd0 4411 data->tx_status.ack ?
24f6497c
JM		 4412 OFFCHANNEL_SEND_ACTION_SUCCESS :
4413 OFFCHANNEL_SEND_ACTION_NO_ACK);
4414#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4415 break;
4416 }
24f6497c
JM		 4417#endif /* CONFIG_AP */
4418#ifdef CONFIG_OFFCHANNEL
f049052b 4419 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
a26c9c2e 4420 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
9bae1be0
JM		 4421 /*
4422 * Catch TX status events for Action frames we sent via group
a26c9c2e
LD		 4423 * interface in GO mode, or via standalone AP interface.
4424 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
4425 * except when the primary interface is used as a GO interface
4426 * (for drivers which do not have group interface concurrency)
9bae1be0
JM		 4427 */
4428 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4429 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
a26c9c2e 4430 os_memcmp(wpa_s->p2pdev->pending_action_dst,
9bae1be0 4431 data->tx_status.dst, ETH_ALEN) == 0) {
24f6497c 4432 offchannel_send_action_tx_status(
a26c9c2e 4433 wpa_s->p2pdev, data->tx_status.dst,
9bae1be0
JM		 4434 data->tx_status.data,
4435 data->tx_status.data_len,
1d39378a 4436 data->tx_status.ack ?
24f6497c
JM		 4437 OFFCHANNEL_SEND_ACTION_SUCCESS :
4438 OFFCHANNEL_SEND_ACTION_NO_ACK);
f8b1f695 4439 break;
9bae1be0 4440 }
24f6497c
JM		 4441#endif /* CONFIG_OFFCHANNEL */
4442#ifdef CONFIG_AP
f8b1f695
JM		 4443 switch (data->tx_status.type) {
4444 case WLAN_FC_TYPE_MGMT:
4445 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
4446 data->tx_status.data_len,
4447 data->tx_status.stype,
4448 data->tx_status.ack);
4449 break;
4450 case WLAN_FC_TYPE_DATA:
4451 ap_tx_status(wpa_s, data->tx_status.dst,
4452 data->tx_status.data,
4453 data->tx_status.data_len,
4454 data->tx_status.ack);
4455 break;
4456 }
24f6497c 4457#endif /* CONFIG_AP */
f8b1f695 4458 break;
24f6497c 4459#ifdef CONFIG_AP
dd840f79
JB		 4460 case EVENT_EAPOL_TX_STATUS:
4461 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
4462 data->eapol_tx_status.data,
4463 data->eapol_tx_status.data_len,
4464 data->eapol_tx_status.ack);
4465 break;
bcf24348
JB		 4466 case EVENT_DRIVER_CLIENT_POLL_OK:
4467 ap_client_poll_ok(wpa_s, data->client_poll.addr);
4468 break;
f8b1f695
JM		 4469 case EVENT_RX_FROM_UNKNOWN:
4470 if (wpa_s->ap_iface == NULL)
4471 break;
9b90955e
JB		 4472 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
4473 data->rx_from_unknown.wds);
f8b1f695 4474 break;
d57e0617 4475#endif /* CONFIG_AP */
95f556f3
OD		 4476
4477 case EVENT_CH_SWITCH_STARTED:
1b487b8b 4478 case EVENT_CH_SWITCH:
61f121d9 4479 if (!data || !wpa_s->current_ssid)
1b487b8b 4480 break;
1b487b8b 4481
95f556f3
OD		 4482 wpa_msg(wpa_s, MSG_INFO,
4483 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4484 event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH :
4485 WPA_EVENT_CHANNEL_SWITCH_STARTED,
37fd0be2
JM		 4486 data->ch_switch.freq,
4487 data->ch_switch.ht_enabled,
4488 data->ch_switch.ch_offset,
4489 channel_width_to_string(data->ch_switch.ch_width),
4490 data->ch_switch.cf1,
4491 data->ch_switch.cf2);
95f556f3
OD		 4492 if (event == EVENT_CH_SWITCH_STARTED)
4493 break;
37fd0be2 4494
61f121d9
IP		 4495 wpa_s->assoc_freq = data->ch_switch.freq;
4496 wpa_s->current_ssid->frequency = data->ch_switch.freq;
4497
d57e0617 4498#ifdef CONFIG_AP
61f121d9
IP		 4499 if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
4500 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
0332c27e 4501 wpa_s->current_ssid->mode == WPAS_MODE_MESH ||
61f121d9
IP		 4502 wpa_s->current_ssid->mode ==
4503 WPAS_MODE_P2P_GROUP_FORMATION) {
4504 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
4505 data->ch_switch.ht_enabled,
4506 data->ch_switch.ch_offset,
4507 data->ch_switch.ch_width,
4508 data->ch_switch.cf1,
95f556f3
OD		 4509 data->ch_switch.cf2,
4510 1);
61f121d9 4511 }
d57e0617 4512#endif /* CONFIG_AP */
3bafb0d8 4513
f91e68e9 4514 sme_event_ch_switch(wpa_s);
3bafb0d8 4515 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
d514b502 4516 wnm_clear_coloc_intf_reporting(wpa_s);
1b487b8b 4517 break;
d57e0617 4518#ifdef CONFIG_AP
bd0f68c4
AK		 4519#ifdef NEED_AP_MLME
4520 case EVENT_DFS_RADAR_DETECTED:
4521 if (data)
2dd5fbbf
DL		 4522 wpas_ap_event_dfs_radar_detected(wpa_s,
4523 &data->dfs_event);
bd0f68c4 4524 break;
37547ad6
DL		 4525 case EVENT_DFS_NOP_FINISHED:
4526 if (data)
4527 wpas_ap_event_dfs_cac_nop_finished(wpa_s,
4528 &data->dfs_event);
4529 break;
4530#endif /* NEED_AP_MLME */
4531#endif /* CONFIG_AP */
bd0f68c4
AK		 4532 case EVENT_DFS_CAC_STARTED:
4533 if (data)
37547ad6 4534 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
bd0f68c4
AK		 4535 break;
4536 case EVENT_DFS_CAC_FINISHED:
4537 if (data)
37547ad6 4538 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
bd0f68c4
AK		 4539 break;
4540 case EVENT_DFS_CAC_ABORTED:
4541 if (data)
37547ad6 4542 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
bd0f68c4 4543 break;
2d43d37f
JB		 4544 case EVENT_RX_MGMT: {
4545 u16 fc, stype;
4546 const struct ieee80211_mgmt *mgmt;
4547
60b893df
JM		 4548#ifdef CONFIG_TESTING_OPTIONS
4549 if (wpa_s->ext_mgmt_frame_handling) {
4550 struct rx_mgmt *rx = &data->rx_mgmt;
4551 size_t hex_len = 2 * rx->frame_len + 1;
4552 char *hex = os_malloc(hex_len);
4553 if (hex) {
4554 wpa_snprintf_hex(hex, hex_len,
4555 rx->frame, rx->frame_len);
4556 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4557 rx->freq, rx->datarate, rx->ssi_signal,
4558 hex);
4559 os_free(hex);
4560 }
4561 break;
4562 }
4563#endif /* CONFIG_TESTING_OPTIONS */
4564
2d43d37f
JB		 4565 mgmt = (const struct ieee80211_mgmt *)
4566 data->rx_mgmt.frame;
4567 fc = le_to_host16(mgmt->frame_control);
4568 stype = WLAN_FC_GET_STYPE(fc);
4569
13adc57b 4570#ifdef CONFIG_AP
9bae1be0 4571 if (wpa_s->ap_iface == NULL) {
13adc57b 4572#endif /* CONFIG_AP */
9bae1be0 4573#ifdef CONFIG_P2P
9bae1be0 4574 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0 4575 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
9bae1be0 4576 const u8 *src = mgmt->sa;
c01120a0
JM		 4577 const u8 *ie;
4578 size_t ie_len;
4579
4580 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4581 ie_len = data->rx_mgmt.frame_len -
4582 IEEE80211_HDRLEN;
baf513d6
JB		 4583 wpas_p2p_probe_req_rx(
4584 wpa_s, src, mgmt->da,
4585 mgmt->bssid, ie, ie_len,
734ddf61 4586 data->rx_mgmt.freq,
baf513d6 4587 data->rx_mgmt.ssi_signal);
9bae1be0
JM		 4588 break;
4589 }
4590#endif /* CONFIG_P2P */
13adc57b 4591#ifdef CONFIG_IBSS_RSN
5f92659d
BC		 4592 if (wpa_s->current_ssid &&
4593 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4594 stype == WLAN_FC_STYPE_AUTH &&
13adc57b
AQ		 4595 data->rx_mgmt.frame_len >= 30) {
4596 wpa_supplicant_event_ibss_auth(wpa_s, data);
4597 break;
4598 }
4599#endif /* CONFIG_IBSS_RSN */
dbfb8e82
JM		 4600
4601 if (stype == WLAN_FC_STYPE_ACTION) {
4602 wpas_event_rx_mgmt_action(
70d95373
JM		 4603 wpa_s, data->rx_mgmt.frame,
4604 data->rx_mgmt.frame_len,
70d1e728
AO		 4605 data->rx_mgmt.freq,
4606 data->rx_mgmt.ssi_signal);
dbfb8e82
JM		 4607 break;
4608 }
4609
5f92659d
BC		 4610 if (wpa_s->ifmsh) {
4611 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4612 break;
4613 }
4614
5ff39c13
SD		 4615#ifdef CONFIG_SAE
4616 if (stype == WLAN_FC_STYPE_AUTH &&
4617 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4618 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
4619 sme_external_auth_mgmt_rx(
4620 wpa_s, data->rx_mgmt.frame,
4621 data->rx_mgmt.frame_len);
4622 break;
4623 }
4624#endif /* CONFIG_SAE */
f049052b
BG		 4625 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4626 "management frame in non-AP mode");
f8b1f695 4627 break;
13adc57b 4628#ifdef CONFIG_AP
9bae1be0 4629 }
2d43d37f
JB		 4630
4631 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
c01120a0
JM		 4632 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4633 const u8 *ie;
4634 size_t ie_len;
4635
4636 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4637 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
2d43d37f
JB		 4638
4639 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4640 mgmt->bssid, ie, ie_len,
4641 data->rx_mgmt.ssi_signal);
2d43d37f
JB		 4642 }
4643
2a8b7416 4644 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
13adc57b 4645#endif /* CONFIG_AP */
f8b1f695 4646 break;
2d43d37f 4647 }
e67b55fb 4648 case EVENT_RX_PROBE_REQ:
b211f3eb
JM		 4649 if (data->rx_probe_req.sa == NULL ||
4650 data->rx_probe_req.ie == NULL)
4651 break;
e67b55fb
JM		 4652#ifdef CONFIG_AP
4653 if (wpa_s->ap_iface) {
4654 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4655 data->rx_probe_req.sa,
04a85e44
JM		 4656 data->rx_probe_req.da,
4657 data->rx_probe_req.bssid,
e67b55fb 4658 data->rx_probe_req.ie,
baf513d6
JB		 4659 data->rx_probe_req.ie_len,
4660 data->rx_probe_req.ssi_signal);
e67b55fb
JM		 4661 break;
4662 }
4663#endif /* CONFIG_AP */
e67b55fb 4664 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
04a85e44
JM		 4665 data->rx_probe_req.da,
4666 data->rx_probe_req.bssid,
e67b55fb 4667 data->rx_probe_req.ie,
baf513d6 4668 data->rx_probe_req.ie_len,
734ddf61 4669 0,
baf513d6 4670 data->rx_probe_req.ssi_signal);
036f7c4a 4671 break;
9bae1be0 4672 case EVENT_REMAIN_ON_CHANNEL:
24f6497c
JM		 4673#ifdef CONFIG_OFFCHANNEL
4674 offchannel_remain_on_channel_cb(
4675 wpa_s, data->remain_on_channel.freq,
4676 data->remain_on_channel.duration);
4677#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4678 wpas_p2p_remain_on_channel_cb(
4679 wpa_s, data->remain_on_channel.freq,
4680 data->remain_on_channel.duration);
4681 break;
4682 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
24f6497c
JM		 4683#ifdef CONFIG_OFFCHANNEL
4684 offchannel_cancel_remain_on_channel_cb(
4685 wpa_s, data->remain_on_channel.freq);
4686#endif /* CONFIG_OFFCHANNEL */
9bae1be0
JM		 4687 wpas_p2p_cancel_remain_on_channel_cb(
4688 wpa_s, data->remain_on_channel.freq);
30d27b04
JM		 4689#ifdef CONFIG_DPP
4690 wpas_dpp_cancel_remain_on_channel_cb(
4691 wpa_s, data->remain_on_channel.freq);
4692#endif /* CONFIG_DPP */
9bae1be0 4693 break;
a8e0505b
JM		 4694 case EVENT_EAPOL_RX:
4695 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4696 data->eapol_rx.data,
4697 data->eapol_rx.data_len);
4698 break;
e2f74005 4699 case EVENT_SIGNAL_CHANGE:
0cd86028
JM		 4700 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4701 "above=%d signal=%d noise=%d txrate=%d",
4702 data->signal_change.above_threshold,
4703 data->signal_change.current_signal,
4704 data->signal_change.current_noise,
4705 data->signal_change.current_txrate);
71d77adb
MM		 4706 wpa_bss_update_level(wpa_s->current_bss,
4707 data->signal_change.current_signal);
e2f74005 4708 bgscan_notify_signal_change(
60a972a6 4709 wpa_s, data->signal_change.above_threshold,
174fa789
PS		 4710 data->signal_change.current_signal,
4711 data->signal_change.current_noise,
4712 data->signal_change.current_txrate);
e2f74005 4713 break;
77a020a1
BG		 4714 case EVENT_INTERFACE_MAC_CHANGED:
4715 wpa_supplicant_update_mac_addr(wpa_s);
4716 break;
8401a6b0 4717 case EVENT_INTERFACE_ENABLED:
f049052b 4718 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
8401a6b0 4719 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
bfba8deb 4720 wpa_supplicant_update_mac_addr(wpa_s);
3263fca2 4721 wpa_supplicant_set_default_scan_ies(wpa_s);
782e2f78
IP		 4722 if (wpa_s->p2p_mgmt) {
4723 wpa_supplicant_set_state(wpa_s,
4724 WPA_DISCONNECTED);
4725 break;
4726 }
4727
199716ad 4728#ifdef CONFIG_AP
9919f7a2
JB		 4729 if (!wpa_s->ap_iface) {
4730 wpa_supplicant_set_state(wpa_s,
4731 WPA_DISCONNECTED);
635874b5 4732 wpa_s->scan_req = NORMAL_SCAN_REQ;
9919f7a2
JB		 4733 wpa_supplicant_req_scan(wpa_s, 0, 0);
4734 } else
4735 wpa_supplicant_set_state(wpa_s,
4736 WPA_COMPLETED);
199716ad
BG		 4737#else /* CONFIG_AP */
4738 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4739 wpa_supplicant_req_scan(wpa_s, 0, 0);
4740#endif /* CONFIG_AP */
8401a6b0
JM		 4741 }
4742 break;
4743 case EVENT_INTERFACE_DISABLED:
f049052b 4744 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
6f72577f
IP		 4745#ifdef CONFIG_P2P
4746 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
4747 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
4748 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
635874b5
JM		 4749 /*
4750 * Mark interface disabled if this happens to end up not
4751 * being removed as a separate P2P group interface.
4752 */
4753 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
6f72577f
IP		 4754 /*
4755 * The interface was externally disabled. Remove
4756 * it assuming an external entity will start a
4757 * new session if needed.
4758 */
8f2cf379
JM		 4759 if (wpa_s->current_ssid &&
4760 wpa_s->current_ssid->p2p_group)
4761 wpas_p2p_interface_unavailable(wpa_s);
4762 else
4763 wpas_p2p_disconnect(wpa_s);
635874b5
JM		 4764 /*
4765 * wpa_s instance may have been freed, so must not use
4766 * it here anymore.
4767 */
6f72577f
IP		 4768 break;
4769 }
c71c2416
JM		 4770 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
4771 p2p_in_progress(wpa_s->global->p2p) > 1) {
4772 /* This radio work will be cancelled, so clear P2P
4773 * state as well.
4774 */
4775 p2p_stop_find(wpa_s->global->p2p);
4776 }
6f72577f
IP		 4777#endif /* CONFIG_P2P */
4778
b7a6702f
JM		 4779 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
4780 /*
4781 * Indicate disconnection to keep ctrl_iface events
4782 * consistent.
4783 */
4784 wpa_supplicant_event_disassoc(
4785 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4786 }
8401a6b0 4787 wpa_supplicant_mark_disassoc(wpa_s);
14220fe6 4788 wpa_bss_flush(wpa_s);
b3253ebb
AO		 4789 radio_remove_works(wpa_s, NULL, 0);
4790
8401a6b0
JM		 4791 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4792 break;
b5c9da8d 4793 case EVENT_CHANNEL_LIST_CHANGED:
142817b2
JM		 4794 wpa_supplicant_update_channel_list(
4795 wpa_s, &data->channel_list_changed);
c973f386
JM		 4796 break;
4797 case EVENT_INTERFACE_UNAVAILABLE:
c973f386 4798 wpas_p2p_interface_unavailable(wpa_s);
7cfc4ac3
AGS		 4799 break;
4800 case EVENT_BEST_CHANNEL:
f049052b
BG		 4801 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4802 "(%d %d %d)",
4803 data->best_chan.freq_24, data->best_chan.freq_5,
4804 data->best_chan.freq_overall);
7cfc4ac3
AGS		 4805 wpa_s->best_24_freq = data->best_chan.freq_24;
4806 wpa_s->best_5_freq = data->best_chan.freq_5;
4807 wpa_s->best_overall_freq = data->best_chan.freq_overall;
7cfc4ac3
AGS		 4808 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4809 data->best_chan.freq_5,
4810 data->best_chan.freq_overall);
b5c9da8d 4811 break;
7d878ca7
JM		 4812 case EVENT_UNPROT_DEAUTH:
4813 wpa_supplicant_event_unprot_deauth(wpa_s,
4814 &data->unprot_deauth);
4815 break;
4816 case EVENT_UNPROT_DISASSOC:
4817 wpa_supplicant_event_unprot_disassoc(wpa_s,
4818 &data->unprot_disassoc);
4819 break;
0d7e5a3a
JB		 4820 case EVENT_STATION_LOW_ACK:
4821#ifdef CONFIG_AP
4822 if (wpa_s->ap_iface && data)
4823 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4824 data->low_ack.addr);
4825#endif /* CONFIG_AP */
8f15f711
AN		 4826#ifdef CONFIG_TDLS
4827 if (data)
947f900f
AN		 4828 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4829 data->low_ack.addr);
8f15f711 4830#endif /* CONFIG_TDLS */
0d7e5a3a 4831 break;
ea244d21
XC		 4832 case EVENT_IBSS_PEER_LOST:
4833#ifdef CONFIG_IBSS_RSN
4834 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4835#endif /* CONFIG_IBSS_RSN */
4836 break;
b14a210c
JB		 4837 case EVENT_DRIVER_GTK_REKEY:
4838 if (os_memcmp(data->driver_gtk_rekey.bssid,
4839 wpa_s->bssid, ETH_ALEN))
4840 break;
4841 if (!wpa_s->wpa)
4842 break;
4843 wpa_sm_update_replay_ctr(wpa_s->wpa,
4844 data->driver_gtk_rekey.replay_ctr);
4845 break;
cbdf3507
LC		 4846 case EVENT_SCHED_SCAN_STOPPED:
4847 wpa_s->sched_scanning = 0;
bef5e9a8 4848 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
cbdf3507
LC		 4849 wpa_supplicant_notify_scanning(wpa_s, 0);
4850
9b6f44cb
JM		 4851 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4852 break;
4853
14f34a73
AS		 4854 /*
4855 * If the driver stopped scanning without being requested to,
4856 * request a new scan to continue scanning for networks.
4857 */
4858 if (!wpa_s->sched_scan_stop_req &&
4859 wpa_s->wpa_state == WPA_SCANNING) {
4860 wpa_dbg(wpa_s, MSG_DEBUG,
4861 "Restart scanning after unexpected sched_scan stop event");
4862 wpa_supplicant_req_scan(wpa_s, 1, 0);
4863 break;
4864 }
4865
4866 wpa_s->sched_scan_stop_req = 0;
4867
cbdf3507 4868 /*
cf70d298
RM		 4869 * Start a new sched scan to continue searching for more SSIDs
4870 * either if timed out or PNO schedule scan is pending.
cbdf3507 4871 */
5e3ddf4d
AB		 4872 if (wpa_s->sched_scan_timed_out) {
4873 wpa_supplicant_req_sched_scan(wpa_s);
4874 } else if (wpa_s->pno_sched_pending) {
4875 wpa_s->pno_sched_pending = 0;
4876 wpas_start_pno(wpa_s);
02e122a9
DS		 4877 } else if (resched) {
4878 wpa_supplicant_req_scan(wpa_s, 0, 0);
cf70d298
RM		 4879 }
4880
cbdf3507 4881 break;
783fcb7d
GG		 4882 case EVENT_WPS_BUTTON_PUSHED:
4883#ifdef CONFIG_WPS
83ebf558 4884 wpas_wps_start_pbc(wpa_s, NULL, 0, 0);
783fcb7d
GG		 4885#endif /* CONFIG_WPS */
4886 break;
253f2e37
AH		 4887 case EVENT_AVOID_FREQUENCIES:
4888 wpa_supplicant_notify_avoid_freq(wpa_s, data);
4889 break;
3140803b
RM		 4890 case EVENT_CONNECT_FAILED_REASON:
4891#ifdef CONFIG_AP
4892 if (!wpa_s->ap_iface || !data)
4893 break;
4894 hostapd_event_connect_failed_reason(
4895 wpa_s->ap_iface->bss[0],
4896 data->connect_failed_reason.addr,
4897 data->connect_failed_reason.code);
4898#endif /* CONFIG_AP */
4899 break;
8319e312 4900 case EVENT_NEW_PEER_CANDIDATE:
eac02316
MH		 4901#ifdef CONFIG_MESH
4902 if (!wpa_s->ifmsh || !data)
4903 break;
8319e312
TP		 4904 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4905 data->mesh_peer.ies,
4906 data->mesh_peer.ie_len);
eac02316 4907#endif /* CONFIG_MESH */
8319e312 4908 break;
96bc5086
TB		 4909 case EVENT_SURVEY:
4910#ifdef CONFIG_AP
4911 if (!wpa_s->ap_iface)
4912 break;
4913 hostapd_event_get_survey(wpa_s->ap_iface,
4914 &data->survey_results);
4915#endif /* CONFIG_AP */
4916 break;
d9909717 4917 case EVENT_ACS_CHANNEL_SELECTED:
34e8bfd7 4918#ifdef CONFIG_AP
d9909717
TB		 4919#ifdef CONFIG_ACS
4920 if (!wpa_s->ap_iface)
4921 break;
4922 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4923 &data->acs_selected_channels);
4924#endif /* CONFIG_ACS */
34e8bfd7 4925#endif /* CONFIG_AP */
d9909717 4926 break;
a6f5b193
PX		 4927 case EVENT_P2P_LO_STOP:
4928#ifdef CONFIG_P2P
4929 wpa_s->p2p_lo_started = 0;
4930 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4931 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4932 data->p2p_lo_stop.reason_code);
4933#endif /* CONFIG_P2P */
4934 break;
0f9b4a0f
JM		 4935 case EVENT_BEACON_LOSS:
4936 if (!wpa_s->current_bss || !wpa_s->current_ssid)
4937 break;
4938 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
4939 bgscan_notify_beacon_loss(wpa_s);
4940 break;
5ff39c13
SD		 4941 case EVENT_EXTERNAL_AUTH:
4942#ifdef CONFIG_SAE
4943 if (!wpa_s->current_ssid) {
4944 wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
4945 break;
4946 }
4947 sme_external_auth_trigger(wpa_s, data);
4948#endif /* CONFIG_SAE */
4949 break;
b8e88d35
AS		 4950 case EVENT_PORT_AUTHORIZED:
4951 wpa_supplicant_event_port_authorized(wpa_s);
4952 break;
ec2b5173
T		 4953 case EVENT_STATION_OPMODE_CHANGED:
4954#ifdef CONFIG_AP
4955 if (!wpa_s->ap_iface || !data)
4956 break;
4957
4958 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
4959 data->sta_opmode.addr,
4960 data->sta_opmode.smps_mode,
4961 data->sta_opmode.chan_width,
4962 data->sta_opmode.rx_nss);
4963#endif /* CONFIG_AP */
4964 break;
6fc6879b 4965 default:
f049052b 4966 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
6fc6879b
JM		 4967 break;
4968 }
4969}
45e3fc72
RM		 4970
4971
4972void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4973 union wpa_event_data *data)
4974{
4975 struct wpa_supplicant *wpa_s;
4976
4977 if (event != EVENT_INTERFACE_STATUS)
4978 return;
4979
4980 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4981 if (wpa_s && wpa_s->driver->get_ifindex) {
4982 unsigned int ifindex;
4983
4984 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4985 if (ifindex != data->interface_status.ifindex) {
4986 wpa_dbg(wpa_s, MSG_DEBUG,
4987 "interface status ifindex %d mismatch (%d)",
4988 ifindex, data->interface_status.ifindex);
4989 return;
4990 }
4991 }
2e997eec
RM		 4992#ifdef CONFIG_MATCH_IFACE
4993 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4994 struct wpa_interface *wpa_i;
4995
4996 wpa_i = wpa_supplicant_match_iface(
4997 ctx, data->interface_status.ifname);
4998 if (!wpa_i)
4999 return;
5000 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
5001 os_free(wpa_i);
5002 if (wpa_s)
5003 wpa_s->matched = 1;
5004 }
5005#endif /* CONFIG_MATCH_IFACE */
45e3fc72
RM		 5006
5007 if (wpa_s)
5008 wpa_supplicant_event(wpa_s, event, data);
5009}
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