contrib/wpa/wpa_supplicant/events.c

   1 /*
   2  * WPA Supplicant - Driver event processing
   3  * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10
  11 #include "common.h"
  12 #include "eapol_supp/eapol_supp_sm.h"
  13 #include "rsn_supp/wpa.h"
  14 #include "eloop.h"
  15 #include "config.h"
  16 #include "l2_packet/l2_packet.h"
  17 #include "wpa_supplicant_i.h"
  18 #include "driver_i.h"
  19 #include "pcsc_funcs.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "common/wpa_ctrl.h"
  23 #include "eap_peer/eap.h"
  24 #include "ap/hostapd.h"
  25 #include "p2p/p2p.h"
  26 #include "fst/fst.h"
  27 #include "wnm_sta.h"
  28 #include "notify.h"
  29 #include "common/ieee802_11_defs.h"
  30 #include "common/ieee802_11_common.h"
  31 #include "common/gas_server.h"
  32 #include "common/dpp.h"
  33 #include "crypto/random.h"
  34 #include "blacklist.h"
  35 #include "wpas_glue.h"
  36 #include "wps_supplicant.h"
  37 #include "ibss_rsn.h"
  38 #include "sme.h"
  39 #include "gas_query.h"
  40 #include "p2p_supplicant.h"
  41 #include "bgscan.h"
  42 #include "autoscan.h"
  43 #include "ap.h"
  44 #include "bss.h"
  45 #include "scan.h"
  46 #include "offchannel.h"
  47 #include "interworking.h"
  48 #include "mesh.h"
  49 #include "mesh_mpm.h"
  50 #include "wmm_ac.h"
  51 #include "dpp_supplicant.h"
  52
  53
  54 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
  55
  56
  57 #ifndef CONFIG_NO_SCAN_PROCESSING
  58 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
  59                                               int new_scan, int own_request);
  60 #endif /* CONFIG_NO_SCAN_PROCESSING */
  61
  62
  63 int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
  64 {
  65         struct os_reltime now;
  66
  67         if (ssid == NULL || ssid->disabled_until.sec == 0)
  68                 return 0;
  69
  70         os_get_reltime(&now);
  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
  80 #ifndef CONFIG_NO_SCAN_PROCESSING
  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  */
  91 static 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 }
 116 #endif /* CONFIG_NO_SCAN_PROCESSING */
 117
 118
 119 void 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
 135 static 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
 150 static 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
 166 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
 167 {
 168         struct wpa_ssid *ssid, *old_ssid;
 169         u8 drv_ssid[SSID_MAX_LEN];
 170         size_t drv_ssid_len;
 171         int res;
 172
 173         if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
 174                 wpa_supplicant_update_current_bss(wpa_s);
 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 */
 195         }
 196
 197         wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
 198                 "information");
 199         ssid = wpa_supplicant_get_ssid(wpa_s);
 200         if (ssid == NULL) {
 201                 wpa_msg(wpa_s, MSG_INFO,
 202                         "No network configuration found for the current AP");
 203                 return -1;
 204         }
 205
 206         if (wpas_network_disabled(wpa_s, ssid)) {
 207                 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
 208                 return -1;
 209         }
 210
 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
 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
 224         wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
 225                 "current AP");
 226         if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
 227                 u8 wpa_ie[80];
 228                 size_t wpa_ie_len = sizeof(wpa_ie);
 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");
 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);
 238         old_ssid = wpa_s->current_ssid;
 239         wpa_s->current_ssid = ssid;
 240
 241         wpa_supplicant_update_current_bss(wpa_s);
 242
 243         wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
 244         wpa_supplicant_initiate_eapol(wpa_s);
 245         if (old_ssid != wpa_s->current_ssid)
 246                 wpas_notify_network_changed(wpa_s);
 247
 248         return 0;
 249 }
 250
 251
 252 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
 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");
 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);
 269                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 270         }
 271 }
 272
 273
 274 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
 275 {
 276         int bssid_changed;
 277
 278         wnm_bss_keep_alive_deinit(wpa_s);
 279
 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
 285 #ifdef CONFIG_AP
 286         wpa_supplicant_ap_deinit(wpa_s);
 287 #endif /* CONFIG_AP */
 288
 289 #ifdef CONFIG_HS20
 290         /* Clear possibly configured frame filters */
 291         wpa_drv_configure_frame_filters(wpa_s, 0);
 292 #endif /* CONFIG_HS20 */
 293
 294         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
 295                 return;
 296
 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
 304         wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
 305         bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
 306         os_memset(wpa_s->bssid, 0, ETH_ALEN);
 307         os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
 308         sme_clear_on_disassoc(wpa_s);
 309         wpa_s->current_bss = NULL;
 310         wpa_s->assoc_freq = 0;
 311
 312         if (bssid_changed)
 313                 wpas_notify_bssid_changed(wpa_s);
 314
 315         eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
 316         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 317         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
 318             wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
 319             wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)
 320                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
 321         wpa_s->ap_ies_from_associnfo = 0;
 322         wpa_s->current_ssid = NULL;
 323         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 324         wpa_s->key_mgmt = 0;
 325
 326         wpas_rrm_reset(wpa_s);
 327         wpa_s->wnmsleep_used = 0;
 328         wnm_clear_coloc_intf_reporting(wpa_s);
 329
 330 #ifdef CONFIG_TESTING_OPTIONS
 331         wpa_s->last_tk_alg = WPA_ALG_NONE;
 332         os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
 333 #endif /* CONFIG_TESTING_OPTIONS */
 334         wpa_s->ieee80211ac = 0;
 335
 336         if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
 337                 wpa_s->enabled_4addr_mode = 0;
 338 }
 339
 340
 341 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
 342 {
 343         struct wpa_ie_data ie;
 344         int pmksa_set = -1;
 345         size_t i;
 346
 347         if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
 348             ie.pmkid == NULL)
 349                 return;
 350
 351         for (i = 0; i < ie.num_pmkid; i++) {
 352                 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
 353                                                     ie.pmkid + i * PMKID_LEN,
 354                                                     NULL, NULL, 0, NULL, 0);
 355                 if (pmksa_set == 0) {
 356                         eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
 357                         break;
 358                 }
 359         }
 360
 361         wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
 362                 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
 363 }
 364
 365
 366 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
 367                                                  union wpa_event_data *data)
 368 {
 369         if (data == NULL) {
 370                 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
 371                         "event");
 372                 return;
 373         }
 374         wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
 375                 " index=%d preauth=%d",
 376                 MAC2STR(data->pmkid_candidate.bssid),
 377                 data->pmkid_candidate.index,
 378                 data->pmkid_candidate.preauth);
 379
 380         pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
 381                             data->pmkid_candidate.index,
 382                             data->pmkid_candidate.preauth);
 383 }
 384
 385
 386 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
 387 {
 388         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
 389             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
 390                 return 0;
 391
 392 #ifdef IEEE8021X_EAPOL
 393         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
 394             wpa_s->current_ssid &&
 395             !(wpa_s->current_ssid->eapol_flags &
 396               (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 397                EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
 398                 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
 399                  * plaintext or static WEP keys). */
 400                 return 0;
 401         }
 402 #endif /* IEEE8021X_EAPOL */
 403
 404         return 1;
 405 }
 406
 407
 408 /**
 409  * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
 410  * @wpa_s: pointer to wpa_supplicant data
 411  * @ssid: Configuration data for the network
 412  * Returns: 0 on success, -1 on failure
 413  *
 414  * This function is called when starting authentication with a network that is
 415  * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
 416  */
 417 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 418                               struct wpa_ssid *ssid)
 419 {
 420 #ifdef IEEE8021X_EAPOL
 421 #ifdef PCSC_FUNCS
 422         int aka = 0, sim = 0;
 423
 424         if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
 425             wpa_s->scard != NULL || wpa_s->conf->external_sim)
 426                 return 0;
 427
 428         if (ssid == NULL || ssid->eap.eap_methods == NULL) {
 429                 sim = 1;
 430                 aka = 1;
 431         } else {
 432                 struct eap_method_type *eap = ssid->eap.eap_methods;
 433                 while (eap->vendor != EAP_VENDOR_IETF ||
 434                        eap->method != EAP_TYPE_NONE) {
 435                         if (eap->vendor == EAP_VENDOR_IETF) {
 436                                 if (eap->method == EAP_TYPE_SIM)
 437                                         sim = 1;
 438                                 else if (eap->method == EAP_TYPE_AKA ||
 439                                          eap->method == EAP_TYPE_AKA_PRIME)
 440                                         aka = 1;
 441                         }
 442                         eap++;
 443                 }
 444         }
 445
 446         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
 447                 sim = 0;
 448         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
 449             eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
 450             NULL)
 451                 aka = 0;
 452
 453         if (!sim && !aka) {
 454                 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
 455                         "use SIM, but neither EAP-SIM nor EAP-AKA are "
 456                         "enabled");
 457                 return 0;
 458         }
 459
 460         wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
 461                 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
 462
 463         wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
 464         if (wpa_s->scard == NULL) {
 465                 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
 466                         "(pcsc-lite)");
 467                 return -1;
 468         }
 469         wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
 470         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 471 #endif /* PCSC_FUNCS */
 472 #endif /* IEEE8021X_EAPOL */
 473
 474         return 0;
 475 }
 476
 477
 478 #ifndef CONFIG_NO_SCAN_PROCESSING
 479
 480 static int has_wep_key(struct wpa_ssid *ssid)
 481 {
 482         int i;
 483
 484         for (i = 0; i < NUM_WEP_KEYS; i++) {
 485                 if (ssid->wep_key_len[i])
 486                         return 1;
 487         }
 488
 489         return 0;
 490 }
 491
 492
 493 static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
 494                                         struct wpa_ssid *ssid)
 495 {
 496         int privacy = 0;
 497
 498         if (ssid->mixed_cell)
 499                 return 1;
 500
 501 #ifdef CONFIG_WPS
 502         if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
 503                 return 1;
 504 #endif /* CONFIG_WPS */
 505
 506 #ifdef CONFIG_OWE
 507         if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
 508                 return 1;
 509 #endif /* CONFIG_OWE */
 510
 511         if (has_wep_key(ssid))
 512                 privacy = 1;
 513
 514 #ifdef IEEE8021X_EAPOL
 515         if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
 516             ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 517                                  EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
 518                 privacy = 1;
 519 #endif /* IEEE8021X_EAPOL */
 520
 521         if (wpa_key_mgmt_wpa(ssid->key_mgmt))
 522                 privacy = 1;
 523
 524         if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
 525                 privacy = 1;
 526
 527         if (bss->caps & IEEE80211_CAP_PRIVACY)
 528                 return privacy;
 529         return !privacy;
 530 }
 531
 532
 533 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
 534                                          struct wpa_ssid *ssid,
 535                                          struct wpa_bss *bss, int debug_print)
 536 {
 537         struct wpa_ie_data ie;
 538         int proto_match = 0;
 539         const u8 *rsn_ie, *wpa_ie;
 540         int ret;
 541         int wep_ok;
 542
 543         ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
 544         if (ret >= 0)
 545                 return ret;
 546
 547         /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
 548         wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
 549                 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
 550                   ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
 551                  (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
 552
 553         rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
 554         while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) {
 555                 proto_match++;
 556
 557                 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
 558                         if (debug_print)
 559                                 wpa_dbg(wpa_s, MSG_DEBUG,
 560                                         "   skip RSN IE - parse failed");
 561                         break;
 562                 }
 563                 if (!ie.has_pairwise)
 564                         ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq);
 565                 if (!ie.has_group)
 566                         ie.group_cipher = wpa_default_rsn_cipher(bss->freq);
 567
 568                 if (wep_ok &&
 569                     (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
 570                 {
 571                         if (debug_print)
 572                                 wpa_dbg(wpa_s, MSG_DEBUG,
 573                                         "   selected based on TSN in RSN IE");
 574                         return 1;
 575                 }
 576
 577                 if (!(ie.proto & ssid->proto) &&
 578                     !(ssid->proto & WPA_PROTO_OSEN)) {
 579                         if (debug_print)
 580                                 wpa_dbg(wpa_s, MSG_DEBUG,
 581                                         "   skip RSN IE - proto mismatch");
 582                         break;
 583                 }
 584
 585                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 586                         if (debug_print)
 587                                 wpa_dbg(wpa_s, MSG_DEBUG,
 588                                         "   skip RSN IE - PTK cipher mismatch");
 589                         break;
 590                 }
 591
 592                 if (!(ie.group_cipher & ssid->group_cipher)) {
 593                         if (debug_print)
 594                                 wpa_dbg(wpa_s, MSG_DEBUG,
 595                                         "   skip RSN IE - GTK cipher mismatch");
 596                         break;
 597                 }
 598
 599                 if (ssid->group_mgmt_cipher &&
 600                     !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
 601                         if (debug_print)
 602                                 wpa_dbg(wpa_s, MSG_DEBUG,
 603                                         "   skip RSN IE - group mgmt cipher mismatch");
 604                         break;
 605                 }
 606
 607                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 608                         if (debug_print)
 609                                 wpa_dbg(wpa_s, MSG_DEBUG,
 610                                         "   skip RSN IE - key mgmt mismatch");
 611                         break;
 612                 }
 613
 614 #ifdef CONFIG_IEEE80211W
 615                 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
 616                     wpas_get_ssid_pmf(wpa_s, ssid) ==
 617                     MGMT_FRAME_PROTECTION_REQUIRED) {
 618                         if (debug_print)
 619                                 wpa_dbg(wpa_s, MSG_DEBUG,
 620                                         "   skip RSN IE - no mgmt frame protection");
 621                         break;
 622                 }
 623 #endif /* CONFIG_IEEE80211W */
 624                 if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
 625                     wpas_get_ssid_pmf(wpa_s, ssid) ==
 626                     NO_MGMT_FRAME_PROTECTION) {
 627                         if (debug_print)
 628                                 wpa_dbg(wpa_s, MSG_DEBUG,
 629                                         "   skip RSN IE - no mgmt frame protection enabled but AP requires it");
 630                         break;
 631                 }
 632 #ifdef CONFIG_MBO
 633                 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
 634                     wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) &&
 635                     wpas_get_ssid_pmf(wpa_s, ssid) !=
 636                     NO_MGMT_FRAME_PROTECTION) {
 637                         if (debug_print)
 638                                 wpa_dbg(wpa_s, MSG_DEBUG,
 639                                         "   skip RSN IE - no mgmt frame protection enabled on MBO AP");
 640                         break;
 641                 }
 642 #endif /* CONFIG_MBO */
 643
 644                 if (debug_print)
 645                         wpa_dbg(wpa_s, MSG_DEBUG,
 646                                 "   selected based on RSN IE");
 647                 return 1;
 648         }
 649
 650 #ifdef CONFIG_IEEE80211W
 651         if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
 652             (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
 653                 if (debug_print)
 654                         wpa_dbg(wpa_s, MSG_DEBUG,
 655                                 "   skip - MFP Required but network not MFP Capable");
 656                 return 0;
 657         }
 658 #endif /* CONFIG_IEEE80211W */
 659
 660         wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 661         while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
 662                 proto_match++;
 663
 664                 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
 665                         if (debug_print)
 666                                 wpa_dbg(wpa_s, MSG_DEBUG,
 667                                         "   skip WPA IE - parse failed");
 668                         break;
 669                 }
 670
 671                 if (wep_ok &&
 672                     (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
 673                 {
 674                         if (debug_print)
 675                                 wpa_dbg(wpa_s, MSG_DEBUG,
 676                                         "   selected based on TSN in WPA IE");
 677                         return 1;
 678                 }
 679
 680                 if (!(ie.proto & ssid->proto)) {
 681                         if (debug_print)
 682                                 wpa_dbg(wpa_s, MSG_DEBUG,
 683                                         "   skip WPA IE - proto mismatch");
 684                         break;
 685                 }
 686
 687                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 688                         if (debug_print)
 689                                 wpa_dbg(wpa_s, MSG_DEBUG,
 690                                         "   skip WPA IE - PTK cipher mismatch");
 691                         break;
 692                 }
 693
 694                 if (!(ie.group_cipher & ssid->group_cipher)) {
 695                         if (debug_print)
 696                                 wpa_dbg(wpa_s, MSG_DEBUG,
 697                                         "   skip WPA IE - GTK cipher mismatch");
 698                         break;
 699                 }
 700
 701                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 702                         if (debug_print)
 703                                 wpa_dbg(wpa_s, MSG_DEBUG,
 704                                         "   skip WPA IE - key mgmt mismatch");
 705                         break;
 706                 }
 707
 708                 if (debug_print)
 709                         wpa_dbg(wpa_s, MSG_DEBUG,
 710                                 "   selected based on WPA IE");
 711                 return 1;
 712         }
 713
 714         if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
 715             !rsn_ie) {
 716                 if (debug_print)
 717                         wpa_dbg(wpa_s, MSG_DEBUG,
 718                                 "   allow for non-WPA IEEE 802.1X");
 719                 return 1;
 720         }
 721
 722 #ifdef CONFIG_OWE
 723         if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
 724             !wpa_ie && !rsn_ie) {
 725                 if (wpa_s->owe_transition_select &&
 726                     wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
 727                     ssid->owe_transition_bss_select_count + 1 <=
 728                     MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
 729                         ssid->owe_transition_bss_select_count++;
 730                         if (debug_print)
 731                                 wpa_dbg(wpa_s, MSG_DEBUG,
 732                                         "   skip OWE transition BSS (selection count %d does not exceed %d)",
 733                                         ssid->owe_transition_bss_select_count,
 734                                         MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
 735                         wpa_s->owe_transition_search = 1;
 736                         return 0;
 737                 }
 738                 if (debug_print)
 739                         wpa_dbg(wpa_s, MSG_DEBUG,
 740                                 "   allow in OWE transition mode");
 741                 return 1;
 742         }
 743 #endif /* CONFIG_OWE */
 744
 745         if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
 746             wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
 747                 if (debug_print)
 748                         wpa_dbg(wpa_s, MSG_DEBUG,
 749                                 "   skip - no WPA/RSN proto match");
 750                 return 0;
 751         }
 752
 753         if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
 754             wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
 755                 if (debug_print)
 756                         wpa_dbg(wpa_s, MSG_DEBUG, "   allow in OSEN");
 757                 return 1;
 758         }
 759
 760         if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
 761                 if (debug_print)
 762                         wpa_dbg(wpa_s, MSG_DEBUG, "   allow in non-WPA/WPA2");
 763                 return 1;
 764         }
 765
 766         if (debug_print)
 767                 wpa_dbg(wpa_s, MSG_DEBUG,
 768                         "   reject due to mismatch with WPA/WPA2");
 769
 770         return 0;
 771 }
 772
 773
 774 static int freq_allowed(int *freqs, int freq)
 775 {
 776         int i;
 777
 778         if (freqs == NULL)
 779                 return 1;
 780
 781         for (i = 0; freqs[i]; i++)
 782                 if (freqs[i] == freq)
 783                         return 1;
 784         return 0;
 785 }
 786
 787
 788 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
 789                       int debug_print)
 790 {
 791         const struct hostapd_hw_modes *mode = NULL, *modes;
 792         const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
 793         const u8 *rate_ie;
 794         int i, j, k;
 795
 796         if (bss->freq == 0)
 797                 return 1; /* Cannot do matching without knowing band */
 798
 799         modes = wpa_s->hw.modes;
 800         if (modes == NULL) {
 801                 /*
 802                  * The driver does not provide any additional information
 803                  * about the utilized hardware, so allow the connection attempt
 804                  * to continue.
 805                  */
 806                 return 1;
 807         }
 808
 809         for (i = 0; i < wpa_s->hw.num_modes; i++) {
 810                 for (j = 0; j < modes[i].num_channels; j++) {
 811                         int freq = modes[i].channels[j].freq;
 812                         if (freq == bss->freq) {
 813                                 if (mode &&
 814                                     mode->mode == HOSTAPD_MODE_IEEE80211G)
 815                                         break; /* do not allow 802.11b replace
 816                                                 * 802.11g */
 817                                 mode = &modes[i];
 818                                 break;
 819                         }
 820                 }
 821         }
 822
 823         if (mode == NULL)
 824                 return 0;
 825
 826         for (i = 0; i < (int) sizeof(scan_ie); i++) {
 827                 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
 828                 if (rate_ie == NULL)
 829                         continue;
 830
 831                 for (j = 2; j < rate_ie[1] + 2; j++) {
 832                         int flagged = !!(rate_ie[j] & 0x80);
 833                         int r = (rate_ie[j] & 0x7f) * 5;
 834
 835                         /*
 836                          * IEEE Std 802.11n-2009 7.3.2.2:
 837                          * The new BSS Membership selector value is encoded
 838                          * like a legacy basic rate, but it is not a rate and
 839                          * only indicates if the BSS members are required to
 840                          * support the mandatory features of Clause 20 [HT PHY]
 841                          * in order to join the BSS.
 842                          */
 843                         if (flagged && ((rate_ie[j] & 0x7f) ==
 844                                         BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
 845                                 if (!ht_supported(mode)) {
 846                                         if (debug_print)
 847                                                 wpa_dbg(wpa_s, MSG_DEBUG,
 848                                                         "   hardware does not support HT PHY");
 849                                         return 0;
 850                                 }
 851                                 continue;
 852                         }
 853
 854                         /* There's also a VHT selector for 802.11ac */
 855                         if (flagged && ((rate_ie[j] & 0x7f) ==
 856                                         BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
 857                                 if (!vht_supported(mode)) {
 858                                         if (debug_print)
 859                                                 wpa_dbg(wpa_s, MSG_DEBUG,
 860                                                         "   hardware does not support VHT PHY");
 861                                         return 0;
 862                                 }
 863                                 continue;
 864                         }
 865
 866                         if (!flagged)
 867                                 continue;
 868
 869                         /* check for legacy basic rates */
 870                         for (k = 0; k < mode->num_rates; k++) {
 871                                 if (mode->rates[k] == r)
 872                                         break;
 873                         }
 874                         if (k == mode->num_rates) {
 875                                 /*
 876                                  * IEEE Std 802.11-2007 7.3.2.2 demands that in
 877                                  * order to join a BSS all required rates
 878                                  * have to be supported by the hardware.
 879                                  */
 880                                 if (debug_print)
 881                                         wpa_dbg(wpa_s, MSG_DEBUG,
 882                                                 "   hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
 883                                                 r / 10, r % 10,
 884                                                 bss->freq, mode->mode, mode->num_rates);
 885                                 return 0;
 886                         }
 887                 }
 888         }
 889
 890         return 1;
 891 }
 892
 893
 894 /*
 895  * Test whether BSS is in an ESS.
 896  * This is done differently in DMG (60 GHz) and non-DMG bands
 897  */
 898 static int bss_is_ess(struct wpa_bss *bss)
 899 {
 900         if (bss_is_dmg(bss)) {
 901                 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
 902                         IEEE80211_CAP_DMG_AP;
 903         }
 904
 905         return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
 906                 IEEE80211_CAP_ESS);
 907 }
 908
 909
 910 static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
 911 {
 912         size_t i;
 913
 914         for (i = 0; i < ETH_ALEN; i++) {
 915                 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
 916                         return 0;
 917         }
 918         return 1;
 919 }
 920
 921
 922 static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
 923 {
 924         size_t i;
 925
 926         for (i = 0; i < num; i++) {
 927                 const u8 *a = list + i * ETH_ALEN * 2;
 928                 const u8 *m = a + ETH_ALEN;
 929
 930                 if (match_mac_mask(a, addr, m))
 931                         return 1;
 932         }
 933         return 0;
 934 }
 935
 936
 937 static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
 938                            const u8 **ret_ssid, size_t *ret_ssid_len)
 939 {
 940 #ifdef CONFIG_OWE
 941         const u8 *owe, *pos, *end, *bssid;
 942         u8 ssid_len;
 943         struct wpa_bss *open_bss;
 944
 945         owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
 946         if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN))
 947                 return;
 948
 949         pos = owe + 6;
 950         end = owe + 2 + owe[1];
 951
 952         if (end - pos < ETH_ALEN + 1)
 953                 return;
 954         bssid = pos;
 955         pos += ETH_ALEN;
 956         ssid_len = *pos++;
 957         if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
 958                 return;
 959
 960         /* Match the profile SSID against the OWE transition mode SSID on the
 961          * open network. */
 962         wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
 963                 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len));
 964         *ret_ssid = pos;
 965         *ret_ssid_len = ssid_len;
 966
 967         if (bss->ssid_len > 0)
 968                 return;
 969
 970         open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
 971         if (!open_bss)
 972                 return;
 973         if (ssid_len != open_bss->ssid_len ||
 974             os_memcmp(pos, open_bss->ssid, ssid_len) != 0) {
 975                 wpa_dbg(wpa_s, MSG_DEBUG,
 976                         "OWE: transition mode SSID mismatch: %s",
 977                         wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len));
 978                 return;
 979         }
 980
 981         owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE);
 982         if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) {
 983                 wpa_dbg(wpa_s, MSG_DEBUG,
 984                         "OWE: transition mode open BSS unexpected info");
 985                 return;
 986         }
 987
 988         pos = owe + 6;
 989         end = owe + 2 + owe[1];
 990
 991         if (end - pos < ETH_ALEN + 1)
 992                 return;
 993         if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) {
 994                 wpa_dbg(wpa_s, MSG_DEBUG,
 995                         "OWE: transition mode BSSID mismatch: " MACSTR,
 996                         MAC2STR(pos));
 997                 return;
 998         }
 999         pos += ETH_ALEN;
1000         ssid_len = *pos++;
1001         if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
1002                 return;
1003         wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s",
1004                 wpa_ssid_txt(pos, ssid_len));
1005         os_memcpy(bss->ssid, pos, ssid_len);
1006         bss->ssid_len = ssid_len;
1007 #endif /* CONFIG_OWE */
1008 }
1009
1010
1011 struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
1012                                      int i, struct wpa_bss *bss,
1013                                      struct wpa_ssid *group,
1014                                      int only_first_ssid, int debug_print)
1015 {
1016         u8 wpa_ie_len, rsn_ie_len;
1017         int wpa;
1018         struct wpa_blacklist *e;
1019         const u8 *ie;
1020         struct wpa_ssid *ssid;
1021         int osen, rsn_osen = 0;
1022 #ifdef CONFIG_MBO
1023         const u8 *assoc_disallow;
1024 #endif /* CONFIG_MBO */
1025         const u8 *match_ssid;
1026         size_t match_ssid_len;
1027         struct wpa_ie_data data;
1028
1029         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1030         wpa_ie_len = ie ? ie[1] : 0;
1031
1032         ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1033         rsn_ie_len = ie ? ie[1] : 0;
1034         if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 &&
1035             (data.key_mgmt & WPA_KEY_MGMT_OSEN))
1036                 rsn_osen = 1;
1037
1038         ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
1039         osen = ie != NULL;
1040
1041         if (debug_print) {
1042                 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
1043                         " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
1044                         i, MAC2STR(bss->bssid),
1045                         wpa_ssid_txt(bss->ssid, bss->ssid_len),
1046                         wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
1047                         bss->freq,
1048                         wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
1049                         " wps" : "",
1050                         (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
1051                          wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
1052                         ? " p2p" : "",
1053                         osen ? " osen=1" : "");
1054         }
1055
1056         e = wpa_blacklist_get(wpa_s, bss->bssid);
1057         if (e) {
1058                 int limit = 1;
1059                 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
1060                         /*
1061                          * When only a single network is enabled, we can
1062                          * trigger blacklisting on the first failure. This
1063                          * should not be done with multiple enabled networks to
1064                          * avoid getting forced to move into a worse ESS on
1065                          * single error if there are no other BSSes of the
1066                          * current ESS.
1067                          */
1068                         limit = 0;
1069                 }
1070                 if (e->count > limit) {
1071                         if (debug_print) {
1072                                 wpa_dbg(wpa_s, MSG_DEBUG,
1073                                         "   skip - blacklisted (count=%d limit=%d)",
1074                                         e->count, limit);
1075                         }
1076                         return NULL;
1077                 }
1078         }
1079
1080         match_ssid = bss->ssid;
1081         match_ssid_len = bss->ssid_len;
1082         owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);
1083
1084         if (match_ssid_len == 0) {
1085                 if (debug_print)
1086                         wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID not known");
1087                 return NULL;
1088         }
1089
1090         if (disallowed_bssid(wpa_s, bss->bssid)) {
1091                 if (debug_print)
1092                         wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID disallowed");
1093                 return NULL;
1094         }
1095
1096         if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
1097                 if (debug_print)
1098                         wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID disallowed");
1099                 return NULL;
1100         }
1101
1102         wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
1103
1104         for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
1105                 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
1106                 int res;
1107
1108                 if (wpas_network_disabled(wpa_s, ssid)) {
1109                         if (debug_print)
1110                                 wpa_dbg(wpa_s, MSG_DEBUG, "   skip - disabled");
1111                         continue;
1112                 }
1113
1114                 res = wpas_temp_disabled(wpa_s, ssid);
1115                 if (res > 0) {
1116                         if (debug_print)
1117                                 wpa_dbg(wpa_s, MSG_DEBUG,
1118                                         "   skip - disabled temporarily for %d second(s)",
1119                                         res);
1120                         continue;
1121                 }
1122
1123 #ifdef CONFIG_WPS
1124                 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
1125                         if (debug_print)
1126                                 wpa_dbg(wpa_s, MSG_DEBUG,
1127                                         "   skip - blacklisted (WPS)");
1128                         continue;
1129                 }
1130
1131                 if (wpa && ssid->ssid_len == 0 &&
1132                     wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1133                         check_ssid = 0;
1134
1135                 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1136                         /* Only allow wildcard SSID match if an AP
1137                          * advertises active WPS operation that matches
1138                          * with our mode. */
1139                         check_ssid = 1;
1140                         if (ssid->ssid_len == 0 &&
1141                             wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1142                                 check_ssid = 0;
1143                 }
1144 #endif /* CONFIG_WPS */
1145
1146                 if (ssid->bssid_set && ssid->ssid_len == 0 &&
1147                     os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
1148                         check_ssid = 0;
1149
1150                 if (check_ssid &&
1151                     (match_ssid_len != ssid->ssid_len ||
1152                      os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
1153                         if (debug_print)
1154                                 wpa_dbg(wpa_s, MSG_DEBUG,
1155                                         "   skip - SSID mismatch");
1156                         continue;
1157                 }
1158
1159                 if (ssid->bssid_set &&
1160                     os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
1161                         if (debug_print)
1162                                 wpa_dbg(wpa_s, MSG_DEBUG,
1163                                         "   skip - BSSID mismatch");
1164                         continue;
1165                 }
1166
1167                 /* check blacklist */
1168                 if (ssid->num_bssid_blacklist &&
1169                     addr_in_list(bss->bssid, ssid->bssid_blacklist,
1170                                  ssid->num_bssid_blacklist)) {
1171                         if (debug_print)
1172                                 wpa_dbg(wpa_s, MSG_DEBUG,
1173                                         "   skip - BSSID blacklisted");
1174                         continue;
1175                 }
1176
1177                 /* if there is a whitelist, only accept those APs */
1178                 if (ssid->num_bssid_whitelist &&
1179                     !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1180                                   ssid->num_bssid_whitelist)) {
1181                         if (debug_print)
1182                                 wpa_dbg(wpa_s, MSG_DEBUG,
1183                                         "   skip - BSSID not in whitelist");
1184                         continue;
1185                 }
1186
1187                 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1188                                                    debug_print))
1189                         continue;
1190
1191                 if (!osen && !wpa &&
1192                     !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1193                     !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1194                     !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1195                     !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
1196                         if (debug_print)
1197                                 wpa_dbg(wpa_s, MSG_DEBUG,
1198                                         "   skip - non-WPA network not allowed");
1199                         continue;
1200                 }
1201
1202                 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1203                     has_wep_key(ssid)) {
1204                         if (debug_print)
1205                                 wpa_dbg(wpa_s, MSG_DEBUG,
1206                                         "   skip - ignore WPA/WPA2 AP for WEP network block");
1207                         continue;
1208                 }
1209
1210                 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen &&
1211                     !rsn_osen) {
1212                         if (debug_print)
1213                                 wpa_dbg(wpa_s, MSG_DEBUG,
1214                                         "   skip - non-OSEN network not allowed");
1215                         continue;
1216                 }
1217
1218                 if (!wpa_supplicant_match_privacy(bss, ssid)) {
1219                         if (debug_print)
1220                                 wpa_dbg(wpa_s, MSG_DEBUG,
1221                                         "   skip - privacy mismatch");
1222                         continue;
1223                 }
1224
1225                 if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) &&
1226                     !bss_is_pbss(bss)) {
1227                         if (debug_print)
1228                                 wpa_dbg(wpa_s, MSG_DEBUG,
1229                                         "   skip - not ESS, PBSS, or MBSS");
1230                         continue;
1231                 }
1232
1233                 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
1234                         if (debug_print)
1235                                 wpa_dbg(wpa_s, MSG_DEBUG,
1236                                         "   skip - PBSS mismatch (ssid %d bss %d)",
1237                                         ssid->pbss, bss_is_pbss(bss));
1238                         continue;
1239                 }
1240
1241                 if (!freq_allowed(ssid->freq_list, bss->freq)) {
1242                         if (debug_print)
1243                                 wpa_dbg(wpa_s, MSG_DEBUG,
1244                                         "   skip - frequency not allowed");
1245                         continue;
1246                 }
1247
1248 #ifdef CONFIG_MESH
1249                 if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 &&
1250                     ssid->frequency != bss->freq) {
1251                         if (debug_print)
1252                                 wpa_dbg(wpa_s, MSG_DEBUG,
1253                                         "   skip - frequency not allowed (mesh)");
1254                         continue;
1255                 }
1256 #endif /* CONFIG_MESH */
1257
1258                 if (!rate_match(wpa_s, bss, debug_print)) {
1259                         if (debug_print)
1260                                 wpa_dbg(wpa_s, MSG_DEBUG,
1261                                         "   skip - rate sets do not match");
1262                         continue;
1263                 }
1264
1265 #ifndef CONFIG_IBSS_RSN
1266                 if (ssid->mode == WPAS_MODE_IBSS &&
1267                     !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1268                                         WPA_KEY_MGMT_WPA_NONE))) {
1269                         if (debug_print)
1270                                 wpa_dbg(wpa_s, MSG_DEBUG,
1271                                         "   skip - IBSS RSN not supported in the build");
1272                         continue;
1273                 }
1274 #endif /* !CONFIG_IBSS_RSN */
1275
1276 #ifdef CONFIG_P2P
1277                 if (ssid->p2p_group &&
1278                     !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1279                     !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
1280                         if (debug_print)
1281                                 wpa_dbg(wpa_s, MSG_DEBUG,
1282                                         "   skip - no P2P IE seen");
1283                         continue;
1284                 }
1285
1286                 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1287                         struct wpabuf *p2p_ie;
1288                         u8 dev_addr[ETH_ALEN];
1289
1290                         ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1291                         if (ie == NULL) {
1292                                 if (debug_print)
1293                                         wpa_dbg(wpa_s, MSG_DEBUG,
1294                                                 "   skip - no P2P element");
1295                                 continue;
1296                         }
1297                         p2p_ie = wpa_bss_get_vendor_ie_multi(
1298                                 bss, P2P_IE_VENDOR_TYPE);
1299                         if (p2p_ie == NULL) {
1300                                 if (debug_print)
1301                                         wpa_dbg(wpa_s, MSG_DEBUG,
1302                                                 "   skip - could not fetch P2P element");
1303                                 continue;
1304                         }
1305
1306                         if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1307                             || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1308                                          ETH_ALEN) != 0) {
1309                                 if (debug_print)
1310                                         wpa_dbg(wpa_s, MSG_DEBUG,
1311                                                 "   skip - no matching GO P2P Device Address in P2P element");
1312                                 wpabuf_free(p2p_ie);
1313                                 continue;
1314                         }
1315                         wpabuf_free(p2p_ie);
1316                 }
1317
1318                 /*
1319                  * TODO: skip the AP if its P2P IE has Group Formation
1320                  * bit set in the P2P Group Capability Bitmap and we
1321                  * are not in Group Formation with that device.
1322                  */
1323 #endif /* CONFIG_P2P */
1324
1325                 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1326                 {
1327                         struct os_reltime diff;
1328
1329                         os_reltime_sub(&wpa_s->scan_min_time,
1330                                        &bss->last_update, &diff);
1331                         if (debug_print)
1332                                 wpa_dbg(wpa_s, MSG_DEBUG,
1333                                         "   skip - scan result not recent enough (%u.%06u seconds too old)",
1334                                 (unsigned int) diff.sec,
1335                                 (unsigned int) diff.usec);
1336                         continue;
1337                 }
1338 #ifdef CONFIG_MBO
1339 #ifdef CONFIG_TESTING_OPTIONS
1340                 if (wpa_s->ignore_assoc_disallow)
1341                         goto skip_assoc_disallow;
1342 #endif /* CONFIG_TESTING_OPTIONS */
1343                 assoc_disallow = wpas_mbo_get_bss_attr(
1344                         bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1345                 if (assoc_disallow && assoc_disallow[1] >= 1) {
1346                         if (debug_print)
1347                                 wpa_dbg(wpa_s, MSG_DEBUG,
1348                                         "   skip - MBO association disallowed (reason %u)",
1349                                 assoc_disallow[2]);
1350                         continue;
1351                 }
1352
1353                 if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) {
1354                         if (debug_print)
1355                                 wpa_dbg(wpa_s, MSG_DEBUG,
1356                                         "   skip - AP temporarily disallowed");
1357                         continue;
1358                 }
1359 #ifdef CONFIG_TESTING_OPTIONS
1360         skip_assoc_disallow:
1361 #endif /* CONFIG_TESTING_OPTIONS */
1362 #endif /* CONFIG_MBO */
1363
1364 #ifdef CONFIG_DPP
1365                 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
1366                     !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) &&
1367                     (!ssid->dpp_connector ||
1368                      !ssid->dpp_netaccesskey ||
1369                      !ssid->dpp_csign)) {
1370                         if (debug_print)
1371                                 wpa_dbg(wpa_s, MSG_DEBUG,
1372                                         "   skip - no PMKSA entry for DPP");
1373                         continue;
1374                 }
1375 #endif /* CONFIG_DPP */
1376
1377                 /* Matching configuration found */
1378                 return ssid;
1379         }
1380
1381         /* No matching configuration found */
1382         return NULL;
1383 }
1384
1385
1386 static struct wpa_bss *
1387 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
1388                           struct wpa_ssid *group,
1389                           struct wpa_ssid **selected_ssid,
1390                           int only_first_ssid)
1391 {
1392         unsigned int i;
1393
1394         if (wpa_s->current_ssid) {
1395                 struct wpa_ssid *ssid;
1396
1397                 wpa_dbg(wpa_s, MSG_DEBUG,
1398                         "Scan results matching the currently selected network");
1399                 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1400                         struct wpa_bss *bss = wpa_s->last_scan_res[i];
1401
1402                         ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1403                                                   only_first_ssid, 0);
1404                         if (ssid != wpa_s->current_ssid)
1405                                 continue;
1406                         wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1407                                 " freq=%d level=%d snr=%d est_throughput=%u",
1408                                 i, MAC2STR(bss->bssid), bss->freq, bss->level,
1409                                 bss->snr, bss->est_throughput);
1410                 }
1411         }
1412
1413         if (only_first_ssid)
1414                 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1415                         group->id);
1416         else
1417                 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1418                         group->priority);
1419
1420         for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1421                 struct wpa_bss *bss = wpa_s->last_scan_res[i];
1422
1423                 wpa_s->owe_transition_select = 1;
1424                 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1425                                                     only_first_ssid, 1);
1426                 wpa_s->owe_transition_select = 0;
1427                 if (!*selected_ssid)
1428                         continue;
1429                 wpa_dbg(wpa_s, MSG_DEBUG, "   selected BSS " MACSTR
1430                         " ssid='%s'",
1431                         MAC2STR(bss->bssid),
1432                         wpa_ssid_txt(bss->ssid, bss->ssid_len));
1433                 return bss;
1434         }
1435
1436         return NULL;
1437 }
1438
1439
1440 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1441                                              struct wpa_ssid **selected_ssid)
1442 {
1443         struct wpa_bss *selected = NULL;
1444         int prio;
1445         struct wpa_ssid *next_ssid = NULL;
1446         struct wpa_ssid *ssid;
1447
1448         if (wpa_s->last_scan_res == NULL ||
1449             wpa_s->last_scan_res_used == 0)
1450                 return NULL; /* no scan results from last update */
1451
1452         if (wpa_s->next_ssid) {
1453                 /* check that next_ssid is still valid */
1454                 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1455                         if (ssid == wpa_s->next_ssid)
1456                                 break;
1457                 }
1458                 next_ssid = ssid;
1459                 wpa_s->next_ssid = NULL;
1460         }
1461
1462         while (selected == NULL) {
1463                 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1464                         if (next_ssid && next_ssid->priority ==
1465                             wpa_s->conf->pssid[prio]->priority) {
1466                                 selected = wpa_supplicant_select_bss(
1467                                         wpa_s, next_ssid, selected_ssid, 1);
1468                                 if (selected)
1469                                         break;
1470                         }
1471                         selected = wpa_supplicant_select_bss(
1472                                 wpa_s, wpa_s->conf->pssid[prio],
1473                                 selected_ssid, 0);
1474                         if (selected)
1475                                 break;
1476                 }
1477
1478                 if (selected == NULL && wpa_s->blacklist &&
1479                     !wpa_s->countermeasures) {
1480                         wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1481                                 "blacklist and try again");
1482                         wpa_blacklist_clear(wpa_s);
1483                         wpa_s->blacklist_cleared++;
1484                 } else if (selected == NULL)
1485                         break;
1486         }
1487
1488         ssid = *selected_ssid;
1489         if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1490             !ssid->passphrase && !ssid->ext_psk) {
1491                 const char *field_name, *txt = NULL;
1492
1493                 wpa_dbg(wpa_s, MSG_DEBUG,
1494                         "PSK/passphrase not yet available for the selected network");
1495
1496                 wpas_notify_network_request(wpa_s, ssid,
1497                                             WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1498
1499                 field_name = wpa_supplicant_ctrl_req_to_string(
1500                         WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1501                 if (field_name == NULL)
1502                         return NULL;
1503
1504                 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1505
1506                 selected = NULL;
1507         }
1508
1509         return selected;
1510 }
1511
1512
1513 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1514                                         int timeout_sec, int timeout_usec)
1515 {
1516         if (!wpa_supplicant_enabled_networks(wpa_s)) {
1517                 /*
1518                  * No networks are enabled; short-circuit request so
1519                  * we don't wait timeout seconds before transitioning
1520                  * to INACTIVE state.
1521                  */
1522                 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1523                         "since there are no enabled networks");
1524                 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1525                 return;
1526         }
1527
1528         wpa_s->scan_for_connection = 1;
1529         wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1530 }
1531
1532
1533 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1534                            struct wpa_bss *selected,
1535                            struct wpa_ssid *ssid)
1536 {
1537         if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1538                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1539                         "PBC session overlap");
1540                 wpas_notify_wps_event_pbc_overlap(wpa_s);
1541 #ifdef CONFIG_P2P
1542                 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1543                     wpa_s->p2p_in_provisioning) {
1544                         eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1545                                                wpa_s, NULL);
1546                         return -1;
1547                 }
1548 #endif /* CONFIG_P2P */
1549
1550 #ifdef CONFIG_WPS
1551                 wpas_wps_pbc_overlap(wpa_s);
1552                 wpas_wps_cancel(wpa_s);
1553 #endif /* CONFIG_WPS */
1554                 return -1;
1555         }
1556
1557         wpa_msg(wpa_s, MSG_DEBUG,
1558                 "Considering connect request: reassociate: %d  selected: "
1559                 MACSTR "  bssid: " MACSTR "  pending: " MACSTR
1560                 "  wpa_state: %s  ssid=%p  current_ssid=%p",
1561                 wpa_s->reassociate, MAC2STR(selected->bssid),
1562                 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1563                 wpa_supplicant_state_txt(wpa_s->wpa_state),
1564                 ssid, wpa_s->current_ssid);
1565
1566         /*
1567          * Do not trigger new association unless the BSSID has changed or if
1568          * reassociation is requested. If we are in process of associating with
1569          * the selected BSSID, do not trigger new attempt.
1570          */
1571         if (wpa_s->reassociate ||
1572             (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1573              ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1574                wpa_s->wpa_state != WPA_AUTHENTICATING) ||
1575               (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1576                os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1577                0) ||
1578               (is_zero_ether_addr(wpa_s->pending_bssid) &&
1579                ssid != wpa_s->current_ssid)))) {
1580                 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1581                         wpa_supplicant_req_new_scan(wpa_s, 10, 0);
1582                         return 0;
1583                 }
1584                 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1585                         MAC2STR(selected->bssid));
1586                 wpa_supplicant_associate(wpa_s, selected, ssid);
1587         } else {
1588                 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1589                         "connect with the selected AP");
1590         }
1591
1592         return 0;
1593 }
1594
1595
1596 static struct wpa_ssid *
1597 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1598 {
1599         int prio;
1600         struct wpa_ssid *ssid;
1601
1602         for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1603                 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1604                 {
1605                         if (wpas_network_disabled(wpa_s, ssid))
1606                                 continue;
1607 #ifndef CONFIG_IBSS_RSN
1608                         if (ssid->mode == WPAS_MODE_IBSS &&
1609                             !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1610                                                 WPA_KEY_MGMT_WPA_NONE))) {
1611                                 wpa_msg(wpa_s, MSG_INFO,
1612                                         "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1613                                         wpa_ssid_txt(ssid->ssid,
1614                                                      ssid->ssid_len));
1615                                 continue;
1616                         }
1617 #endif /* !CONFIG_IBSS_RSN */
1618                         if (ssid->mode == IEEE80211_MODE_IBSS ||
1619                             ssid->mode == IEEE80211_MODE_AP ||
1620                             ssid->mode == IEEE80211_MODE_MESH)
1621                                 return ssid;
1622                 }
1623         }
1624         return NULL;
1625 }
1626
1627
1628 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1629  * on BSS added and BSS changed events */
1630 static void wpa_supplicant_rsn_preauth_scan_results(
1631         struct wpa_supplicant *wpa_s)
1632 {
1633         struct wpa_bss *bss;
1634
1635         if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1636                 return;
1637
1638         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1639                 const u8 *ssid, *rsn;
1640
1641                 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1642                 if (ssid == NULL)
1643                         continue;
1644
1645                 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1646                 if (rsn == NULL)
1647                         continue;
1648
1649                 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
1650         }
1651
1652 }
1653
1654
1655 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1656                                        struct wpa_bss *selected,
1657                                        struct wpa_ssid *ssid)
1658 {
1659         struct wpa_bss *current_bss = NULL;
1660 #ifndef CONFIG_NO_ROAMING
1661         int min_diff, diff;
1662         int to_5ghz;
1663         int cur_est, sel_est;
1664 #endif /* CONFIG_NO_ROAMING */
1665
1666         if (wpa_s->reassociate)
1667                 return 1; /* explicit request to reassociate */
1668         if (wpa_s->wpa_state < WPA_ASSOCIATED)
1669                 return 1; /* we are not associated; continue */
1670         if (wpa_s->current_ssid == NULL)
1671                 return 1; /* unknown current SSID */
1672         if (wpa_s->current_ssid != ssid)
1673                 return 1; /* different network block */
1674
1675         if (wpas_driver_bss_selection(wpa_s))
1676                 return 0; /* Driver-based roaming */
1677
1678         if (wpa_s->current_ssid->ssid)
1679                 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1680                                           wpa_s->current_ssid->ssid,
1681                                           wpa_s->current_ssid->ssid_len);
1682         if (!current_bss)
1683                 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
1684
1685         if (!current_bss)
1686                 return 1; /* current BSS not seen in scan results */
1687
1688         if (current_bss == selected)
1689                 return 0;
1690
1691         if (selected->last_update_idx > current_bss->last_update_idx)
1692                 return 1; /* current BSS not seen in the last scan */
1693
1694 #ifndef CONFIG_NO_ROAMING
1695         wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1696         wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
1697                 " freq=%d level=%d snr=%d est_throughput=%u",
1698                 MAC2STR(current_bss->bssid),
1699                 current_bss->freq, current_bss->level,
1700                 current_bss->snr, current_bss->est_throughput);
1701         wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
1702                 " freq=%d level=%d snr=%d est_throughput=%u",
1703                 MAC2STR(selected->bssid), selected->freq, selected->level,
1704                 selected->snr, selected->est_throughput);
1705
1706         if (wpa_s->current_ssid->bssid_set &&
1707             os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1708             0) {
1709                 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1710                         "has preferred BSSID");
1711                 return 1;
1712         }
1713
1714         if (selected->est_throughput > current_bss->est_throughput + 5000) {
1715                 wpa_dbg(wpa_s, MSG_DEBUG,
1716                         "Allow reassociation - selected BSS has better estimated throughput");
1717                 return 1;
1718         }
1719
1720         to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1721
1722         if (current_bss->level < 0 &&
1723             current_bss->level > selected->level + to_5ghz * 2) {
1724                 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1725                         "signal level");
1726                 return 0;
1727         }
1728
1729         if (current_bss->est_throughput > selected->est_throughput + 5000) {
1730                 wpa_dbg(wpa_s, MSG_DEBUG,
1731                         "Skip roam - Current BSS has better estimated throughput");
1732                 return 0;
1733         }
1734
1735         cur_est = current_bss->est_throughput;
1736         sel_est = selected->est_throughput;
1737         min_diff = 2;
1738         if (current_bss->level < 0) {
1739                 if (current_bss->level < -85)
1740                         min_diff = 1;
1741                 else if (current_bss->level < -80)
1742                         min_diff = 2;
1743                 else if (current_bss->level < -75)
1744                         min_diff = 3;
1745                 else if (current_bss->level < -70)
1746                         min_diff = 4;
1747                 else
1748                         min_diff = 5;
1749                 if (cur_est > sel_est * 1.5)
1750                         min_diff += 10;
1751                 else if (cur_est > sel_est * 1.2)
1752                         min_diff += 5;
1753                 else if (cur_est > sel_est * 1.1)
1754                         min_diff += 2;
1755                 else if (cur_est > sel_est)
1756                         min_diff++;
1757         }
1758         if (to_5ghz) {
1759                 int reduce = 2;
1760
1761                 /* Make it easier to move to 5 GHz band */
1762                 if (sel_est > cur_est * 1.5)
1763                         reduce = 5;
1764                 else if (sel_est > cur_est * 1.2)
1765                         reduce = 4;
1766                 else if (sel_est > cur_est * 1.1)
1767                         reduce = 3;
1768
1769                 if (min_diff > reduce)
1770                         min_diff -= reduce;
1771                 else
1772                         min_diff = 0;
1773         }
1774         diff = abs(current_bss->level - selected->level);
1775         if (diff < min_diff) {
1776                 wpa_dbg(wpa_s, MSG_DEBUG,
1777                         "Skip roam - too small difference in signal level (%d < %d)",
1778                         diff, min_diff);
1779                 return 0;
1780         }
1781
1782         wpa_dbg(wpa_s, MSG_DEBUG,
1783                 "Allow reassociation due to difference in signal level (%d >= %d)",
1784                 diff, min_diff);
1785         return 1;
1786 #else /* CONFIG_NO_ROAMING */
1787         return 0;
1788 #endif /* CONFIG_NO_ROAMING */
1789 }
1790
1791
1792 /*
1793  * Return a negative value if no scan results could be fetched or if scan
1794  * results should not be shared with other virtual interfaces.
1795  * Return 0 if scan results were fetched and may be shared with other
1796  * interfaces.
1797  * Return 1 if scan results may be shared with other virtual interfaces but may
1798  * not trigger any operations.
1799  * Return 2 if the interface was removed and cannot be used.
1800  */
1801 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1802                                               union wpa_event_data *data,
1803                                               int own_request, int update_only)
1804 {
1805         struct wpa_scan_results *scan_res = NULL;
1806         int ret = 0;
1807         int ap = 0;
1808 #ifndef CONFIG_NO_RANDOM_POOL
1809         size_t i, num;
1810 #endif /* CONFIG_NO_RANDOM_POOL */
1811
1812 #ifdef CONFIG_AP
1813         if (wpa_s->ap_iface)
1814                 ap = 1;
1815 #endif /* CONFIG_AP */
1816
1817         wpa_supplicant_notify_scanning(wpa_s, 0);
1818
1819         scan_res = wpa_supplicant_get_scan_results(wpa_s,
1820                                                    data ? &data->scan_info :
1821                                                    NULL, 1);
1822         if (scan_res == NULL) {
1823                 if (wpa_s->conf->ap_scan == 2 || ap ||
1824                     wpa_s->scan_res_handler == scan_only_handler)
1825                         return -1;
1826                 if (!own_request)
1827                         return -1;
1828                 if (data && data->scan_info.external_scan)
1829                         return -1;
1830                 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1831                         "scanning again");
1832                 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1833                 ret = -1;
1834                 goto scan_work_done;
1835         }
1836
1837 #ifndef CONFIG_NO_RANDOM_POOL
1838         num = scan_res->num;
1839         if (num > 10)
1840                 num = 10;
1841         for (i = 0; i < num; i++) {
1842                 u8 buf[5];
1843                 struct wpa_scan_res *res = scan_res->res[i];
1844                 buf[0] = res->bssid[5];
1845                 buf[1] = res->qual & 0xff;
1846                 buf[2] = res->noise & 0xff;
1847                 buf[3] = res->level & 0xff;
1848                 buf[4] = res->tsf & 0xff;
1849                 random_add_randomness(buf, sizeof(buf));
1850         }
1851 #endif /* CONFIG_NO_RANDOM_POOL */
1852
1853         if (update_only) {
1854                 ret = 1;
1855                 goto scan_work_done;
1856         }
1857
1858         if (own_request && wpa_s->scan_res_handler &&
1859             !(data && data->scan_info.external_scan)) {
1860                 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1861                                          struct wpa_scan_results *scan_res);
1862
1863                 scan_res_handler = wpa_s->scan_res_handler;
1864                 wpa_s->scan_res_handler = NULL;
1865                 scan_res_handler(wpa_s, scan_res);
1866                 ret = 1;
1867                 goto scan_work_done;
1868         }
1869
1870         if (ap) {
1871                 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
1872 #ifdef CONFIG_AP
1873                 if (wpa_s->ap_iface->scan_cb)
1874                         wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1875 #endif /* CONFIG_AP */
1876                 goto scan_work_done;
1877         }
1878
1879         wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
1880                 wpa_s->own_scan_running,
1881                 data ? data->scan_info.external_scan : 0);
1882         if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1883             wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1884             own_request && !(data && data->scan_info.external_scan)) {
1885                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1886                              wpa_s->manual_scan_id);
1887                 wpa_s->manual_scan_use_id = 0;
1888         } else {
1889                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1890         }
1891         wpas_notify_scan_results(wpa_s);
1892
1893         wpas_notify_scan_done(wpa_s, 1);
1894
1895         if (data && data->scan_info.external_scan) {
1896                 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1897                 wpa_scan_results_free(scan_res);
1898                 return 0;
1899         }
1900
1901         if (wnm_scan_process(wpa_s, 1) > 0)
1902                 goto scan_work_done;
1903
1904         if (sme_proc_obss_scan(wpa_s) > 0)
1905                 goto scan_work_done;
1906
1907         if (own_request && data &&
1908             wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
1909                 goto scan_work_done;
1910
1911         if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1912                 goto scan_work_done;
1913
1914         if (autoscan_notify_scan(wpa_s, scan_res))
1915                 goto scan_work_done;
1916
1917         if (wpa_s->disconnected) {
1918                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
1919                 goto scan_work_done;
1920         }
1921
1922         if (!wpas_driver_bss_selection(wpa_s) &&
1923             bgscan_notify_scan(wpa_s, scan_res) == 1)
1924                 goto scan_work_done;
1925
1926         wpas_wps_update_ap_info(wpa_s, scan_res);
1927
1928         if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1929             wpa_s->wpa_state < WPA_COMPLETED)
1930                 goto scan_work_done;
1931
1932         wpa_scan_results_free(scan_res);
1933
1934         if (own_request && wpa_s->scan_work) {
1935                 struct wpa_radio_work *work = wpa_s->scan_work;
1936                 wpa_s->scan_work = NULL;
1937                 radio_work_done(work);
1938         }
1939
1940         return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
1941
1942 scan_work_done:
1943         wpa_scan_results_free(scan_res);
1944         if (own_request && wpa_s->scan_work) {
1945                 struct wpa_radio_work *work = wpa_s->scan_work;
1946                 wpa_s->scan_work = NULL;
1947                 radio_work_done(work);
1948         }
1949         return ret;
1950 }
1951
1952
1953 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1954                                               int new_scan, int own_request)
1955 {
1956         struct wpa_bss *selected;
1957         struct wpa_ssid *ssid = NULL;
1958         int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1959
1960         if (time_to_reenable > 0) {
1961                 wpa_dbg(wpa_s, MSG_DEBUG,
1962                         "Postpone network selection by %d seconds since all networks are disabled",
1963                         time_to_reenable);
1964                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1965                 eloop_register_timeout(time_to_reenable, 0,
1966                                        wpas_network_reenabled, wpa_s, NULL);
1967                 return 0;
1968         }
1969
1970         if (wpa_s->p2p_mgmt)
1971                 return 0; /* no normal connection on p2p_mgmt interface */
1972
1973         wpa_s->owe_transition_search = 0;
1974         selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1975
1976 #ifdef CONFIG_MESH
1977         if (wpa_s->ifmsh) {
1978                 wpa_msg(wpa_s, MSG_INFO,
1979                         "Avoiding join because we already joined a mesh group");
1980                 return 0;
1981         }
1982 #endif /* CONFIG_MESH */
1983
1984         if (selected) {
1985                 int skip;
1986                 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1987                 if (skip) {
1988                         if (new_scan)
1989                                 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1990                         return 0;
1991                 }
1992
1993                 if (ssid != wpa_s->current_ssid &&
1994                     wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1995                         wpa_s->own_disconnect_req = 1;
1996                         wpa_supplicant_deauthenticate(
1997                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1998                 }
1999
2000                 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
2001                         wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
2002                         return -1;
2003                 }
2004                 if (new_scan)
2005                         wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2006                 /*
2007                  * Do not allow other virtual radios to trigger operations based
2008                  * on these scan results since we do not want them to start
2009                  * other associations at the same time.
2010                  */
2011                 return 1;
2012         } else {
2013                 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
2014                 ssid = wpa_supplicant_pick_new_network(wpa_s);
2015                 if (ssid) {
2016                         wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
2017                         wpa_supplicant_associate(wpa_s, NULL, ssid);
2018                         if (new_scan)
2019                                 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2020                 } else if (own_request) {
2021                         /*
2022                          * No SSID found. If SCAN results are as a result of
2023                          * own scan request and not due to a scan request on
2024                          * another shared interface, try another scan.
2025                          */
2026                         int timeout_sec = wpa_s->scan_interval;
2027                         int timeout_usec = 0;
2028 #ifdef CONFIG_P2P
2029                         int res;
2030
2031                         res = wpas_p2p_scan_no_go_seen(wpa_s);
2032                         if (res == 2)
2033                                 return 2;
2034                         if (res == 1)
2035                                 return 0;
2036
2037                         if (wpa_s->p2p_in_provisioning ||
2038                             wpa_s->show_group_started ||
2039                             wpa_s->p2p_in_invitation) {
2040                                 /*
2041                                  * Use shorter wait during P2P Provisioning
2042                                  * state and during P2P join-a-group operation
2043                                  * to speed up group formation.
2044                                  */
2045                                 timeout_sec = 0;
2046                                 timeout_usec = 250000;
2047                                 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2048                                                             timeout_usec);
2049                                 return 0;
2050                         }
2051 #endif /* CONFIG_P2P */
2052 #ifdef CONFIG_INTERWORKING
2053                         if (wpa_s->conf->auto_interworking &&
2054                             wpa_s->conf->interworking &&
2055                             wpa_s->conf->cred) {
2056                                 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
2057                                         "start ANQP fetch since no matching "
2058                                         "networks found");
2059                                 wpa_s->network_select = 1;
2060                                 wpa_s->auto_network_select = 1;
2061                                 interworking_start_fetch_anqp(wpa_s);
2062                                 return 1;
2063                         }
2064 #endif /* CONFIG_INTERWORKING */
2065 #ifdef CONFIG_WPS
2066                         if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
2067                                 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
2068                                 timeout_sec = 0;
2069                                 timeout_usec = 500000;
2070                                 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2071                                                             timeout_usec);
2072                                 return 0;
2073                         }
2074 #endif /* CONFIG_WPS */
2075 #ifdef CONFIG_OWE
2076                         if (wpa_s->owe_transition_search) {
2077                                 wpa_dbg(wpa_s, MSG_DEBUG,
2078                                         "OWE: Use shorter wait during transition mode search");
2079                                 timeout_sec = 0;
2080                                 timeout_usec = 500000;
2081                                 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2082                                                             timeout_usec);
2083                                 return 0;
2084                         }
2085 #endif /* CONFIG_OWE */
2086                         if (wpa_supplicant_req_sched_scan(wpa_s))
2087                                 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2088                                                             timeout_usec);
2089
2090                         wpa_msg_ctrl(wpa_s, MSG_INFO,
2091                                      WPA_EVENT_NETWORK_NOT_FOUND);
2092                 }
2093         }
2094         return 0;
2095 }
2096
2097
2098 static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2099                                              union wpa_event_data *data)
2100 {
2101         struct wpa_supplicant *ifs;
2102         int res;
2103
2104         res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
2105         if (res == 2) {
2106                 /*
2107                  * Interface may have been removed, so must not dereference
2108                  * wpa_s after this.
2109                  */
2110                 return 1;
2111         }
2112
2113         if (res < 0) {
2114                 /*
2115                  * If no scan results could be fetched, then no need to
2116                  * notify those interfaces that did not actually request
2117                  * this scan. Similarly, if scan results started a new operation on this
2118                  * interface, do not notify other interfaces to avoid concurrent
2119                  * operations during a connection attempt.
2120                  */
2121                 return 0;
2122         }
2123
2124         /*
2125          * Check other interfaces to see if they share the same radio. If
2126          * so, they get updated with this same scan info.
2127          */
2128         dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2129                          radio_list) {
2130                 if (ifs != wpa_s) {
2131                         wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
2132                                    "sibling", ifs->ifname);
2133                         res = _wpa_supplicant_event_scan_results(ifs, data, 0,
2134                                                                  res > 0);
2135                         if (res < 0)
2136                                 return 0;
2137                 }
2138         }
2139
2140         return 0;
2141 }
2142
2143 #endif /* CONFIG_NO_SCAN_PROCESSING */
2144
2145
2146 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2147 {
2148 #ifdef CONFIG_NO_SCAN_PROCESSING
2149         return -1;
2150 #else /* CONFIG_NO_SCAN_PROCESSING */
2151         struct os_reltime now;
2152
2153         wpa_s->ignore_post_flush_scan_res = 0;
2154
2155         if (wpa_s->last_scan_res_used == 0)
2156                 return -1;
2157
2158         os_get_reltime(&now);
2159         if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
2160                 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
2161                 return -1;
2162         }
2163
2164         return wpas_select_network_from_last_scan(wpa_s, 0, 1);
2165 #endif /* CONFIG_NO_SCAN_PROCESSING */
2166 }
2167
2168 #ifdef CONFIG_WNM
2169
2170 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
2171 {
2172         struct wpa_supplicant *wpa_s = eloop_ctx;
2173
2174         if (wpa_s->wpa_state < WPA_ASSOCIATED)
2175                 return;
2176
2177         if (!wpa_s->no_keep_alive) {
2178                 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
2179                            MAC2STR(wpa_s->bssid));
2180                 /* TODO: could skip this if normal data traffic has been sent */
2181                 /* TODO: Consider using some more appropriate data frame for
2182                  * this */
2183                 if (wpa_s->l2)
2184                         l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2185                                        (u8 *) "", 0);
2186         }
2187
2188 #ifdef CONFIG_SME
2189         if (wpa_s->sme.bss_max_idle_period) {
2190                 unsigned int msec;
2191                 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2192                 if (msec > 100)
2193                         msec -= 100;
2194                 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2195                                        wnm_bss_keep_alive, wpa_s, NULL);
2196         }
2197 #endif /* CONFIG_SME */
2198 }
2199
2200
2201 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2202                                    const u8 *ies, size_t ies_len)
2203 {
2204         struct ieee802_11_elems elems;
2205
2206         if (ies == NULL)
2207                 return;
2208
2209         if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2210                 return;
2211
2212 #ifdef CONFIG_SME
2213         if (elems.bss_max_idle_period) {
2214                 unsigned int msec;
2215                 wpa_s->sme.bss_max_idle_period =
2216                         WPA_GET_LE16(elems.bss_max_idle_period);
2217                 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2218                            "TU)%s", wpa_s->sme.bss_max_idle_period,
2219                            (elems.bss_max_idle_period[2] & 0x01) ?
2220                            " (protected keep-live required)" : "");
2221                 if (wpa_s->sme.bss_max_idle_period == 0)
2222                         wpa_s->sme.bss_max_idle_period = 1;
2223                 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2224                         eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2225                          /* msec times 1000 */
2226                         msec = wpa_s->sme.bss_max_idle_period * 1024;
2227                         if (msec > 100)
2228                                 msec -= 100;
2229                         eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2230                                                wnm_bss_keep_alive, wpa_s,
2231                                                NULL);
2232                 }
2233         }
2234 #endif /* CONFIG_SME */
2235 }
2236
2237 #endif /* CONFIG_WNM */
2238
2239
2240 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2241 {
2242 #ifdef CONFIG_WNM
2243         eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2244 #endif /* CONFIG_WNM */
2245 }
2246
2247
2248 #ifdef CONFIG_INTERWORKING
2249
2250 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2251                             size_t len)
2252 {
2253         int res;
2254
2255         wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2256         res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2257         if (res) {
2258                 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2259         }
2260
2261         return res;
2262 }
2263
2264
2265 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2266                                             const u8 *ies, size_t ies_len)
2267 {
2268         struct ieee802_11_elems elems;
2269
2270         if (ies == NULL)
2271                 return;
2272
2273         if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2274                 return;
2275
2276         if (elems.qos_map_set) {
2277                 wpas_qos_map_set(wpa_s, elems.qos_map_set,
2278                                  elems.qos_map_set_len);
2279         }
2280 }
2281
2282 #endif /* CONFIG_INTERWORKING */
2283
2284
2285 static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
2286                                         const u8 *ies, size_t ies_len)
2287 {
2288         struct ieee802_11_elems elems;
2289         const u8 *map_sub_elem, *pos;
2290         size_t len;
2291
2292         if (!wpa_s->current_ssid ||
2293             !wpa_s->current_ssid->multi_ap_backhaul_sta ||
2294             !ies ||
2295             ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2296                 return;
2297
2298         if (!elems.multi_ap || elems.multi_ap_len < 7) {
2299                 wpa_printf(MSG_INFO, "AP doesn't support Multi-AP protocol");
2300                 goto fail;
2301         }
2302
2303         pos = elems.multi_ap + 4;
2304         len = elems.multi_ap_len - 4;
2305
2306         map_sub_elem = get_ie(pos, len, MULTI_AP_SUB_ELEM_TYPE);
2307         if (!map_sub_elem || map_sub_elem[1] < 1) {
2308                 wpa_printf(MSG_INFO, "invalid Multi-AP sub elem type");
2309                 goto fail;
2310         }
2311
2312         if (!(map_sub_elem[2] & MULTI_AP_BACKHAUL_BSS)) {
2313                 if ((map_sub_elem[2] & MULTI_AP_FRONTHAUL_BSS) &&
2314                     wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
2315                         wpa_printf(MSG_INFO,
2316                                    "WPS active, accepting fronthaul-only BSS");
2317                         /* Don't set 4addr mode in this case, so just return */
2318                         return;
2319                 }
2320                 wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
2321                 goto fail;
2322         }
2323
2324         if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
2325                 wpa_printf(MSG_ERROR, "Failed to set 4addr mode");
2326                 goto fail;
2327         }
2328         wpa_s->enabled_4addr_mode = 1;
2329         return;
2330
2331 fail:
2332         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2333 }
2334
2335
2336 #ifdef CONFIG_FST
2337 static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2338                                 const u8 *ie, size_t ie_len)
2339 {
2340         struct mb_ies_info mb_ies;
2341
2342         if (!ie || !ie_len || !wpa_s->fst)
2343             return -ENOENT;
2344
2345         os_memset(&mb_ies, 0, sizeof(mb_ies));
2346
2347         while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2348                 size_t len;
2349
2350                 len = 2 + ie[1];
2351                 if (len > ie_len) {
2352                         wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2353                                     ie, ie_len);
2354                         break;
2355                 }
2356
2357                 if (ie[0] == WLAN_EID_MULTI_BAND) {
2358                         wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2359                                    (unsigned int) len);
2360                         mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2361                         mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2362                         mb_ies.nof_ies++;
2363                 }
2364
2365                 ie_len -= len;
2366                 ie += len;
2367         }
2368
2369         if (mb_ies.nof_ies > 0) {
2370                 wpabuf_free(wpa_s->received_mb_ies);
2371                 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2372                 return 0;
2373         }
2374
2375         return -ENOENT;
2376 }
2377 #endif /* CONFIG_FST */
2378
2379
2380 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2381                                           union wpa_event_data *data)
2382 {
2383         int l, len, found = 0, wpa_found, rsn_found;
2384         const u8 *p;
2385 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE)
2386         u8 bssid[ETH_ALEN];
2387 #endif /* CONFIG_IEEE80211R || CONFIG_OWE */
2388
2389         wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
2390         if (data->assoc_info.req_ies)
2391                 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2392                             data->assoc_info.req_ies_len);
2393         if (data->assoc_info.resp_ies) {
2394                 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2395                             data->assoc_info.resp_ies_len);
2396 #ifdef CONFIG_TDLS
2397                 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2398                                         data->assoc_info.resp_ies_len);
2399 #endif /* CONFIG_TDLS */
2400 #ifdef CONFIG_WNM
2401                 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2402                                        data->assoc_info.resp_ies_len);
2403 #endif /* CONFIG_WNM */
2404 #ifdef CONFIG_INTERWORKING
2405                 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2406                                                 data->assoc_info.resp_ies_len);
2407 #endif /* CONFIG_INTERWORKING */
2408                 if (wpa_s->hw_capab == CAPAB_VHT &&
2409                     get_ie(data->assoc_info.resp_ies,
2410                            data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
2411                         wpa_s->ieee80211ac = 1;
2412
2413                 multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2414                                             data->assoc_info.resp_ies_len);
2415         }
2416         if (data->assoc_info.beacon_ies)
2417                 wpa_hexdump(MSG_DEBUG, "beacon_ies",
2418                             data->assoc_info.beacon_ies,
2419                             data->assoc_info.beacon_ies_len);
2420         if (data->assoc_info.freq)
2421                 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2422                         data->assoc_info.freq);
2423
2424         wpa_s->connection_set = 0;
2425         if (data->assoc_info.req_ies && data->assoc_info.resp_ies) {
2426                 struct ieee802_11_elems req_elems, resp_elems;
2427
2428                 if (ieee802_11_parse_elems(data->assoc_info.req_ies,
2429                                            data->assoc_info.req_ies_len,
2430                                            &req_elems, 0) != ParseFailed &&
2431                     ieee802_11_parse_elems(data->assoc_info.resp_ies,
2432                                            data->assoc_info.resp_ies_len,
2433                                            &resp_elems, 0) != ParseFailed) {
2434                         wpa_s->connection_set = 1;
2435                         wpa_s->connection_ht = req_elems.ht_capabilities &&
2436                                 resp_elems.ht_capabilities;
2437                         wpa_s->connection_vht = req_elems.vht_capabilities &&
2438                                 resp_elems.vht_capabilities;
2439                         wpa_s->connection_he = req_elems.he_capabilities &&
2440                                 resp_elems.he_capabilities;
2441                 }
2442         }
2443
2444         p = data->assoc_info.req_ies;
2445         l = data->assoc_info.req_ies_len;
2446
2447         /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2448         while (p && l >= 2) {
2449                 len = p[1] + 2;
2450                 if (len > l) {
2451                         wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2452                                     p, l);
2453                         break;
2454                 }
2455                 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2456                      (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
2457                     (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2458                      (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
2459                     (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2460                         if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2461                                 break;
2462                         found = 1;
2463                         wpa_find_assoc_pmkid(wpa_s);
2464                         break;
2465                 }
2466                 l -= len;
2467                 p += len;
2468         }
2469         if (!found && data->assoc_info.req_ies)
2470                 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2471
2472 #ifdef CONFIG_FILS
2473 #ifdef CONFIG_SME
2474         if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2475              wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
2476             (!data->assoc_info.resp_frame ||
2477              fils_process_assoc_resp(wpa_s->wpa,
2478                                      data->assoc_info.resp_frame,
2479                                      data->assoc_info.resp_frame_len) < 0)) {
2480                 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2481                 return -1;
2482         }
2483 #endif /* CONFIG_SME */
2484
2485         /* Additional processing for FILS when SME is in driver */
2486         if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
2487             !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2488                 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
2489 #endif /* CONFIG_FILS */
2490
2491 #ifdef CONFIG_OWE
2492         if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
2493             (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2494              owe_process_assoc_resp(wpa_s->wpa, bssid,
2495                                     data->assoc_info.resp_ies,
2496                                     data->assoc_info.resp_ies_len) < 0)) {
2497                 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2498                 return -1;
2499         }
2500 #endif /* CONFIG_OWE */
2501
2502 #ifdef CONFIG_DPP2
2503         wpa_sm_set_dpp_z(wpa_s->wpa, NULL);
2504         if (wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && wpa_s->dpp_pfs) {
2505                 struct ieee802_11_elems elems;
2506
2507                 if (ieee802_11_parse_elems(data->assoc_info.resp_ies,
2508                                            data->assoc_info.resp_ies_len,
2509                                            &elems, 0) == ParseFailed ||
2510                     !elems.owe_dh)
2511                         goto no_pfs;
2512                 if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh,
2513                                     elems.owe_dh_len) < 0) {
2514                         wpa_supplicant_deauthenticate(wpa_s,
2515                                                       WLAN_REASON_UNSPECIFIED);
2516                         return -1;
2517                 }
2518
2519                 wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret);
2520         }
2521 no_pfs:
2522 #endif /* CONFIG_DPP2 */
2523
2524 #ifdef CONFIG_IEEE80211R
2525 #ifdef CONFIG_SME
2526         if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
2527                 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2528                     wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2529                                                  data->assoc_info.resp_ies,
2530                                                  data->assoc_info.resp_ies_len,
2531                                                  bssid) < 0) {
2532                         wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2533                                 "Reassociation Response failed");
2534                         wpa_supplicant_deauthenticate(
2535                                 wpa_s, WLAN_REASON_INVALID_IE);
2536                         return -1;
2537                 }
2538         }
2539
2540         p = data->assoc_info.resp_ies;
2541         l = data->assoc_info.resp_ies_len;
2542
2543 #ifdef CONFIG_WPS_STRICT
2544         if (p && wpa_s->current_ssid &&
2545             wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2546                 struct wpabuf *wps;
2547                 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2548                 if (wps == NULL) {
2549                         wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2550                                 "include WPS IE in (Re)Association Response");
2551                         return -1;
2552                 }
2553
2554                 if (wps_validate_assoc_resp(wps) < 0) {
2555                         wpabuf_free(wps);
2556                         wpa_supplicant_deauthenticate(
2557                                 wpa_s, WLAN_REASON_INVALID_IE);
2558                         return -1;
2559                 }
2560                 wpabuf_free(wps);
2561         }
2562 #endif /* CONFIG_WPS_STRICT */
2563
2564         /* Go through the IEs and make a copy of the MDIE, if present. */
2565         while (p && l >= 2) {
2566                 len = p[1] + 2;
2567                 if (len > l) {
2568                         wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2569                                     p, l);
2570                         break;
2571                 }
2572                 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2573                     p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2574                         wpa_s->sme.ft_used = 1;
2575                         os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2576                                   MOBILITY_DOMAIN_ID_LEN);
2577                         break;
2578                 }
2579                 l -= len;
2580                 p += len;
2581         }
2582 #endif /* CONFIG_SME */
2583
2584         /* Process FT when SME is in the driver */
2585         if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2586             wpa_ft_is_completed(wpa_s->wpa)) {
2587                 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2588                     wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2589                                                  data->assoc_info.resp_ies,
2590                                                  data->assoc_info.resp_ies_len,
2591                                                  bssid) < 0) {
2592                         wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2593                                 "Reassociation Response failed");
2594                         wpa_supplicant_deauthenticate(
2595                                 wpa_s, WLAN_REASON_INVALID_IE);
2596                         return -1;
2597                 }
2598                 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2599         }
2600
2601         wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2602                              data->assoc_info.resp_ies_len);
2603 #endif /* CONFIG_IEEE80211R */
2604
2605         /* WPA/RSN IE from Beacon/ProbeResp */
2606         p = data->assoc_info.beacon_ies;
2607         l = data->assoc_info.beacon_ies_len;
2608
2609         /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2610          */
2611         wpa_found = rsn_found = 0;
2612         while (p && l >= 2) {
2613                 len = p[1] + 2;
2614                 if (len > l) {
2615                         wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2616                                     p, l);
2617                         break;
2618                 }
2619                 if (!wpa_found &&
2620                     p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2621                     os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2622                         wpa_found = 1;
2623                         wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2624                 }
2625
2626                 if (!rsn_found &&
2627                     p[0] == WLAN_EID_RSN && p[1] >= 2) {
2628                         rsn_found = 1;
2629                         wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2630                 }
2631
2632                 l -= len;
2633                 p += len;
2634         }
2635
2636         if (!wpa_found && data->assoc_info.beacon_ies)
2637                 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2638         if (!rsn_found && data->assoc_info.beacon_ies)
2639                 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2640         if (wpa_found || rsn_found)
2641                 wpa_s->ap_ies_from_associnfo = 1;
2642
2643         if (wpa_s->assoc_freq && data->assoc_info.freq &&
2644             wpa_s->assoc_freq != data->assoc_info.freq) {
2645                 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2646                            "%u to %u MHz",
2647                            wpa_s->assoc_freq, data->assoc_info.freq);
2648                 wpa_supplicant_update_scan_results(wpa_s);
2649         }
2650
2651         wpa_s->assoc_freq = data->assoc_info.freq;
2652
2653         return 0;
2654 }
2655
2656
2657 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2658 {
2659         const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2660
2661         if (!wpa_s->current_bss || !wpa_s->current_ssid)
2662                 return -1;
2663
2664         if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2665                 return 0;
2666
2667         bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2668                                         WPA_IE_VENDOR_TYPE);
2669         bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2670
2671         if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2672                                  bss_wpa ? 2 + bss_wpa[1] : 0) ||
2673             wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2674                                  bss_rsn ? 2 + bss_rsn[1] : 0))
2675                 return -1;
2676
2677         return 0;
2678 }
2679
2680
2681 static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2682                                      union wpa_event_data *data)
2683 {
2684 #ifdef CONFIG_FST
2685         struct assoc_info *ai = data ? &data->assoc_info : NULL;
2686         struct wpa_bss *bss = wpa_s->current_bss;
2687         const u8 *ieprb, *iebcn;
2688
2689         wpabuf_free(wpa_s->received_mb_ies);
2690         wpa_s->received_mb_ies = NULL;
2691
2692         if (ai &&
2693             !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2694                 wpa_printf(MSG_DEBUG,
2695                            "FST: MB IEs updated from Association Response frame");
2696                 return;
2697         }
2698
2699         if (ai &&
2700             !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2701                 wpa_printf(MSG_DEBUG,
2702                            "FST: MB IEs updated from association event Beacon IEs");
2703                 return;
2704         }
2705
2706         if (!bss)
2707                 return;
2708
2709         ieprb = (const u8 *) (bss + 1);
2710         iebcn = ieprb + bss->ie_len;
2711
2712         if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2713                 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2714         else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2715                 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2716 #endif /* CONFIG_FST */
2717 }
2718
2719
2720 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2721                                        union wpa_event_data *data)
2722 {
2723         u8 bssid[ETH_ALEN];
2724         int ft_completed, already_authorized;
2725         int new_bss = 0;
2726
2727 #ifdef CONFIG_AP
2728         if (wpa_s->ap_iface) {
2729                 if (!data)
2730                         return;
2731                 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2732                                     data->assoc_info.addr,
2733                                     data->assoc_info.req_ies,
2734                                     data->assoc_info.req_ies_len,
2735                                     data->assoc_info.reassoc);
2736                 return;
2737         }
2738 #endif /* CONFIG_AP */
2739
2740         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2741
2742         ft_completed = wpa_ft_is_completed(wpa_s->wpa);
2743         if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2744                 return;
2745         /*
2746          * FILS authentication can share the same mechanism to mark the
2747          * connection fully authenticated, so set ft_completed also based on
2748          * FILS result.
2749          */
2750         if (!ft_completed)
2751                 ft_completed = wpa_fils_is_completed(wpa_s->wpa);
2752
2753         if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2754                 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
2755                 wpa_supplicant_deauthenticate(
2756                         wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2757                 return;
2758         }
2759
2760         wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
2761         if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
2762                 if (os_reltime_initialized(&wpa_s->session_start)) {
2763                         os_reltime_age(&wpa_s->session_start,
2764                                        &wpa_s->session_length);
2765                         wpa_s->session_start.sec = 0;
2766                         wpa_s->session_start.usec = 0;
2767                         wpas_notify_session_length(wpa_s);
2768                 } else {
2769                         wpas_notify_auth_changed(wpa_s);
2770                         os_get_reltime(&wpa_s->session_start);
2771                 }
2772                 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
2773                         MACSTR, MAC2STR(bssid));
2774                 new_bss = 1;
2775                 random_add_randomness(bssid, ETH_ALEN);
2776                 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2777                 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
2778                 wpas_notify_bssid_changed(wpa_s);
2779
2780                 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2781                         wpa_clear_keys(wpa_s, bssid);
2782                 }
2783                 if (wpa_supplicant_select_config(wpa_s) < 0) {
2784                         wpa_supplicant_deauthenticate(
2785                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2786                         return;
2787                 }
2788         }
2789
2790         if (wpa_s->conf->ap_scan == 1 &&
2791             wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2792                 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2793                         wpa_msg(wpa_s, MSG_WARNING,
2794                                 "WPA/RSN IEs not updated");
2795         }
2796
2797         wpas_fst_update_mb_assoc(wpa_s, data);
2798
2799 #ifdef CONFIG_SME
2800         os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2801         wpa_s->sme.prev_bssid_set = 1;
2802         wpa_s->sme.last_unprot_disconnect.sec = 0;
2803 #endif /* CONFIG_SME */
2804
2805         wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2806         if (wpa_s->current_ssid) {
2807                 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2808                  * initialized before association, but for other modes,
2809                  * initialize PC/SC here, if the current configuration needs
2810                  * smartcard or SIM/USIM. */
2811                 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2812         }
2813         wpa_sm_notify_assoc(wpa_s->wpa, bssid);
2814         if (wpa_s->l2)
2815                 l2_packet_notify_auth_start(wpa_s->l2);
2816
2817         already_authorized = data && data->assoc_info.authorized;
2818
2819         /*
2820          * Set portEnabled first to FALSE in order to get EAP state machine out
2821          * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2822          * state machine may transit to AUTHENTICATING state based on obsolete
2823          * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2824          * AUTHENTICATED without ever giving chance to EAP state machine to
2825          * reset the state.
2826          */
2827         if (!ft_completed && !already_authorized) {
2828                 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2829                 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2830         }
2831         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
2832             wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
2833             wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
2834             already_authorized)
2835                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2836         /* 802.1X::portControl = Auto */
2837         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2838         wpa_s->eapol_received = 0;
2839         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2840             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2841             (wpa_s->current_ssid &&
2842              wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
2843                 if (wpa_s->current_ssid &&
2844                     wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
2845                     (wpa_s->drv_flags &
2846                      WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2847                         /*
2848                          * Set the key after having received joined-IBSS event
2849                          * from the driver.
2850                          */
2851                         wpa_supplicant_set_wpa_none_key(wpa_s,
2852                                                         wpa_s->current_ssid);
2853                 }
2854                 wpa_supplicant_cancel_auth_timeout(wpa_s);
2855                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2856         } else if (!ft_completed) {
2857                 /* Timeout for receiving the first EAPOL packet */
2858                 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2859         }
2860         wpa_supplicant_cancel_scan(wpa_s);
2861
2862         if (ft_completed) {
2863                 /*
2864                  * FT protocol completed - make sure EAPOL state machine ends
2865                  * up in authenticated.
2866                  */
2867                 wpa_supplicant_cancel_auth_timeout(wpa_s);
2868                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2869                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2870                 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2871         } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
2872                    wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
2873                 /*
2874                  * We are done; the driver will take care of RSN 4-way
2875                  * handshake.
2876                  */
2877                 wpa_supplicant_cancel_auth_timeout(wpa_s);
2878                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2879                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2880                 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2881         } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
2882                    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2883                 /*
2884                  * The driver will take care of RSN 4-way handshake, so we need
2885                  * to allow EAPOL supplicant to complete its work without
2886                  * waiting for WPA supplicant.
2887                  */
2888                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2889         }
2890
2891         wpa_s->last_eapol_matches_bssid = 0;
2892
2893         if (wpa_s->pending_eapol_rx) {
2894                 struct os_reltime now, age;
2895                 os_get_reltime(&now);
2896                 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
2897                 if (age.sec == 0 && age.usec < 200000 &&
2898                     os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2899                     0) {
2900                         wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2901                                 "frame that was received just before "
2902                                 "association notification");
2903                         wpa_supplicant_rx_eapol(
2904                                 wpa_s, wpa_s->pending_eapol_rx_src,
2905                                 wpabuf_head(wpa_s->pending_eapol_rx),
2906                                 wpabuf_len(wpa_s->pending_eapol_rx));
2907                 }
2908                 wpabuf_free(wpa_s->pending_eapol_rx);
2909                 wpa_s->pending_eapol_rx = NULL;
2910         }
2911
2912         if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2913              wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
2914             wpa_s->current_ssid &&
2915             (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2916                 /* Set static WEP keys again */
2917                 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2918         }
2919
2920 #ifdef CONFIG_IBSS_RSN
2921         if (wpa_s->current_ssid &&
2922             wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2923             wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
2924             wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2925             wpa_s->ibss_rsn == NULL) {
2926                 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
2927                 if (!wpa_s->ibss_rsn) {
2928                         wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2929                         wpa_supplicant_deauthenticate(
2930                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2931                         return;
2932                 }
2933
2934                 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2935         }
2936 #endif /* CONFIG_IBSS_RSN */
2937
2938         wpas_wps_notify_assoc(wpa_s, bssid);
2939
2940         if (data) {
2941                 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2942                                     data->assoc_info.resp_ies_len,
2943                                     &data->assoc_info.wmm_params);
2944
2945                 if (wpa_s->reassoc_same_bss)
2946                         wmm_ac_restore_tspecs(wpa_s);
2947         }
2948
2949 #ifdef CONFIG_FILS
2950         if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
2951                 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid);
2952                 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
2953
2954                 if (fils_cache_id)
2955                         wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
2956         }
2957 #endif /* CONFIG_FILS */
2958 }
2959
2960
2961 static int disconnect_reason_recoverable(u16 reason_code)
2962 {
2963         return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2964                 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2965                 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2966 }
2967
2968
2969 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
2970                                           u16 reason_code,
2971                                           int locally_generated)
2972 {
2973         const u8 *bssid;
2974
2975         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2976                 /*
2977                  * At least Host AP driver and a Prism3 card seemed to be
2978                  * generating streams of disconnected events when configuring
2979                  * IBSS for WPA-None. Ignore them for now.
2980                  */
2981                 return;
2982         }
2983
2984         bssid = wpa_s->bssid;
2985         if (is_zero_ether_addr(bssid))
2986                 bssid = wpa_s->pending_bssid;
2987
2988         if (!is_zero_ether_addr(bssid) ||
2989             wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2990                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2991                         " reason=%d%s",
2992                         MAC2STR(bssid), reason_code,
2993                         locally_generated ? " locally_generated=1" : "");
2994         }
2995 }
2996
2997
2998 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2999                                  int locally_generated)
3000 {
3001         if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
3002             !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
3003                 return 0; /* Not in 4-way handshake with PSK */
3004
3005         /*
3006          * It looks like connection was lost while trying to go through PSK
3007          * 4-way handshake. Filter out known disconnection cases that are caused
3008          * by something else than PSK mismatch to avoid confusing reports.
3009          */
3010
3011         if (locally_generated) {
3012                 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
3013                         return 0;
3014         }
3015
3016         return 1;
3017 }
3018
3019
3020 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
3021                                                  u16 reason_code,
3022                                                  int locally_generated)
3023 {
3024         const u8 *bssid;
3025         int authenticating;
3026         u8 prev_pending_bssid[ETH_ALEN];
3027         struct wpa_bss *fast_reconnect = NULL;
3028         struct wpa_ssid *fast_reconnect_ssid = NULL;
3029         struct wpa_ssid *last_ssid;
3030         struct wpa_bss *curr = NULL;
3031
3032         authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
3033         os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
3034
3035         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
3036                 /*
3037                  * At least Host AP driver and a Prism3 card seemed to be
3038                  * generating streams of disconnected events when configuring
3039                  * IBSS for WPA-None. Ignore them for now.
3040                  */
3041                 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
3042                         "IBSS/WPA-None mode");
3043                 return;
3044         }
3045
3046         if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
3047             reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
3048             locally_generated)
3049                 /*
3050                  * Remove the inactive AP (which is probably out of range) from
3051                  * the BSS list after marking disassociation. In particular
3052                  * mac80211-based drivers use the
3053                  * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
3054                  * locally generated disconnection events for cases where the
3055                  * AP does not reply anymore.
3056                  */
3057                 curr = wpa_s->current_bss;
3058
3059         if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
3060                 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
3061                         "pre-shared key may be incorrect");
3062                 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
3063                         return; /* P2P group removed */
3064                 wpas_auth_failed(wpa_s, "WRONG_KEY");
3065         }
3066         if (!wpa_s->disconnected &&
3067             (!wpa_s->auto_reconnect_disabled ||
3068              wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
3069              wpas_wps_searching(wpa_s) ||
3070              wpas_wps_reenable_networks_pending(wpa_s))) {
3071                 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
3072                         "reconnect (wps=%d/%d wpa_state=%d)",
3073                         wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
3074                         wpas_wps_searching(wpa_s),
3075                         wpa_s->wpa_state);
3076                 if (wpa_s->wpa_state == WPA_COMPLETED &&
3077                     wpa_s->current_ssid &&
3078                     wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
3079                     !locally_generated &&
3080                     disconnect_reason_recoverable(reason_code)) {
3081                         /*
3082                          * It looks like the AP has dropped association with
3083                          * us, but could allow us to get back in. Try to
3084                          * reconnect to the same BSS without full scan to save
3085                          * time for some common cases.
3086                          */
3087                         fast_reconnect = wpa_s->current_bss;
3088                         fast_reconnect_ssid = wpa_s->current_ssid;
3089                 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
3090                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
3091                 else
3092                         wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
3093                                 "immediate scan");
3094         } else {
3095                 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
3096                         "try to re-connect");
3097                 wpa_s->reassociate = 0;
3098                 wpa_s->disconnected = 1;
3099                 if (!wpa_s->pno)
3100                         wpa_supplicant_cancel_sched_scan(wpa_s);
3101         }
3102         bssid = wpa_s->bssid;
3103         if (is_zero_ether_addr(bssid))
3104                 bssid = wpa_s->pending_bssid;
3105         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3106                 wpas_connection_failed(wpa_s, bssid);
3107         wpa_sm_notify_disassoc(wpa_s->wpa);
3108         if (locally_generated)
3109                 wpa_s->disconnect_reason = -reason_code;
3110         else
3111                 wpa_s->disconnect_reason = reason_code;
3112         wpas_notify_disconnect_reason(wpa_s);
3113         if (wpa_supplicant_dynamic_keys(wpa_s)) {
3114                 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
3115                 wpa_clear_keys(wpa_s, wpa_s->bssid);
3116         }
3117         last_ssid = wpa_s->current_ssid;
3118         wpa_supplicant_mark_disassoc(wpa_s);
3119
3120         if (curr)
3121                 wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
3122
3123         if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
3124                 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
3125                 wpa_s->current_ssid = last_ssid;
3126         }
3127
3128         if (fast_reconnect &&
3129             !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
3130             !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
3131             !disallowed_ssid(wpa_s, fast_reconnect->ssid,
3132                              fast_reconnect->ssid_len) &&
3133             !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
3134             !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) {
3135 #ifndef CONFIG_NO_SCAN_PROCESSING
3136                 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
3137                 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
3138                                            fast_reconnect_ssid) < 0) {
3139                         /* Recover through full scan */
3140                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
3141                 }
3142 #endif /* CONFIG_NO_SCAN_PROCESSING */
3143         } else if (fast_reconnect) {
3144                 /*
3145                  * Could not reconnect to the same BSS due to network being
3146                  * disabled. Use a new scan to match the alternative behavior
3147                  * above, i.e., to continue automatic reconnection attempt in a
3148                  * way that enforces disabled network rules.
3149                  */
3150                 wpa_supplicant_req_scan(wpa_s, 0, 100000);
3151         }
3152 }
3153
3154
3155 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3156 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
3157 {
3158         struct wpa_supplicant *wpa_s = eloop_ctx;
3159
3160         if (!wpa_s->pending_mic_error_report)
3161                 return;
3162
3163         wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
3164         wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
3165         wpa_s->pending_mic_error_report = 0;
3166 }
3167 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3168
3169
3170 static void
3171 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
3172                                          union wpa_event_data *data)
3173 {
3174         int pairwise;
3175         struct os_reltime t;
3176
3177         wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
3178         pairwise = (data && data->michael_mic_failure.unicast);
3179         os_get_reltime(&t);
3180         if ((wpa_s->last_michael_mic_error.sec &&
3181              !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
3182             wpa_s->pending_mic_error_report) {
3183                 if (wpa_s->pending_mic_error_report) {
3184                         /*
3185                          * Send the pending MIC error report immediately since
3186                          * we are going to start countermeasures and AP better
3187                          * do the same.
3188                          */
3189                         wpa_sm_key_request(wpa_s->wpa, 1,
3190                                            wpa_s->pending_mic_error_pairwise);
3191                 }
3192
3193                 /* Send the new MIC error report immediately since we are going
3194                  * to start countermeasures and AP better do the same.
3195                  */
3196                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3197
3198                 /* initialize countermeasures */
3199                 wpa_s->countermeasures = 1;
3200
3201                 wpa_blacklist_add(wpa_s, wpa_s->bssid);
3202
3203                 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
3204
3205                 /*
3206                  * Need to wait for completion of request frame. We do not get
3207                  * any callback for the message completion, so just wait a
3208                  * short while and hope for the best. */
3209                 os_sleep(0, 10000);
3210
3211                 wpa_drv_set_countermeasures(wpa_s, 1);
3212                 wpa_supplicant_deauthenticate(wpa_s,
3213                                               WLAN_REASON_MICHAEL_MIC_FAILURE);
3214                 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
3215                                      wpa_s, NULL);
3216                 eloop_register_timeout(60, 0,
3217                                        wpa_supplicant_stop_countermeasures,
3218                                        wpa_s, NULL);
3219                 /* TODO: mark the AP rejected for 60 second. STA is
3220                  * allowed to associate with another AP.. */
3221         } else {
3222 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3223                 if (wpa_s->mic_errors_seen) {
3224                         /*
3225                          * Reduce the effectiveness of Michael MIC error
3226                          * reports as a means for attacking against TKIP if
3227                          * more than one MIC failure is noticed with the same
3228                          * PTK. We delay the transmission of the reports by a
3229                          * random time between 0 and 60 seconds in order to
3230                          * force the attacker wait 60 seconds before getting
3231                          * the information on whether a frame resulted in a MIC
3232                          * failure.
3233                          */
3234                         u8 rval[4];
3235                         int sec;
3236
3237                         if (os_get_random(rval, sizeof(rval)) < 0)
3238                                 sec = os_random() % 60;
3239                         else
3240                                 sec = WPA_GET_BE32(rval) % 60;
3241                         wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
3242                                 "report %d seconds", sec);
3243                         wpa_s->pending_mic_error_report = 1;
3244                         wpa_s->pending_mic_error_pairwise = pairwise;
3245                         eloop_cancel_timeout(
3246                                 wpa_supplicant_delayed_mic_error_report,
3247                                 wpa_s, NULL);
3248                         eloop_register_timeout(
3249                                 sec, os_random() % 1000000,
3250                                 wpa_supplicant_delayed_mic_error_report,
3251                                 wpa_s, NULL);
3252                 } else {
3253                         wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3254                 }
3255 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3256                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3257 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3258         }
3259         wpa_s->last_michael_mic_error = t;
3260         wpa_s->mic_errors_seen++;
3261 }
3262
3263
3264 #ifdef CONFIG_TERMINATE_ONLASTIF
3265 static int any_interfaces(struct wpa_supplicant *head)
3266 {
3267         struct wpa_supplicant *wpa_s;
3268
3269         for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
3270                 if (!wpa_s->interface_removed)
3271                         return 1;
3272         return 0;
3273 }
3274 #endif /* CONFIG_TERMINATE_ONLASTIF */
3275
3276
3277 static void
3278 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
3279                                       union wpa_event_data *data)
3280 {
3281         if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
3282                 return;
3283
3284         switch (data->interface_status.ievent) {
3285         case EVENT_INTERFACE_ADDED:
3286                 if (!wpa_s->interface_removed)
3287                         break;
3288                 wpa_s->interface_removed = 0;
3289                 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
3290                 if (wpa_supplicant_driver_init(wpa_s) < 0) {
3291                         wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
3292                                 "driver after interface was added");
3293                 }
3294
3295 #ifdef CONFIG_P2P
3296                 if (!wpa_s->global->p2p &&
3297                     !wpa_s->global->p2p_disabled &&
3298                     !wpa_s->conf->p2p_disabled &&
3299                     (wpa_s->drv_flags &
3300                      WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
3301                     wpas_p2p_add_p2pdev_interface(
3302                             wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
3303                         wpa_printf(MSG_INFO,
3304                                    "P2P: Failed to enable P2P Device interface");
3305                         /* Try to continue without. P2P will be disabled. */
3306                 }
3307 #endif /* CONFIG_P2P */
3308
3309                 break;
3310         case EVENT_INTERFACE_REMOVED:
3311                 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
3312                 wpa_s->interface_removed = 1;
3313                 wpa_supplicant_mark_disassoc(wpa_s);
3314                 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3315                 l2_packet_deinit(wpa_s->l2);
3316                 wpa_s->l2 = NULL;
3317
3318 #ifdef CONFIG_P2P
3319                 if (wpa_s->global->p2p &&
3320                     wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3321                     (wpa_s->drv_flags &
3322                      WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3323                         wpa_dbg(wpa_s, MSG_DEBUG,
3324                                 "Removing P2P Device interface");
3325                         wpa_supplicant_remove_iface(
3326                                 wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3327                                 0);
3328                         wpa_s->global->p2p_init_wpa_s = NULL;
3329                 }
3330 #endif /* CONFIG_P2P */
3331
3332 #ifdef CONFIG_MATCH_IFACE
3333                 if (wpa_s->matched) {
3334                         wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3335                         break;
3336                 }
3337 #endif /* CONFIG_MATCH_IFACE */
3338
3339 #ifdef CONFIG_TERMINATE_ONLASTIF
3340                 /* check if last interface */
3341                 if (!any_interfaces(wpa_s->global->ifaces))
3342                         eloop_terminate();
3343 #endif /* CONFIG_TERMINATE_ONLASTIF */
3344                 break;
3345         }
3346 }
3347
3348
3349 #ifdef CONFIG_TDLS
3350 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3351                                       union wpa_event_data *data)
3352 {
3353         if (data == NULL)
3354                 return;
3355         switch (data->tdls.oper) {
3356         case TDLS_REQUEST_SETUP:
3357                 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3358                 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3359                         wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3360                 else
3361                         wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
3362                 break;
3363         case TDLS_REQUEST_TEARDOWN:
3364                 if (wpa_tdls_is_external_setup(wpa_s->wpa))
3365                         wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3366                                                data->tdls.reason_code);
3367                 else
3368                         wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3369                                           data->tdls.peer);
3370                 break;
3371         case TDLS_REQUEST_DISCOVER:
3372                         wpa_tdls_send_discovery_request(wpa_s->wpa,
3373                                                         data->tdls.peer);
3374                 break;
3375         }
3376 }
3377 #endif /* CONFIG_TDLS */
3378
3379
3380 #ifdef CONFIG_WNM
3381 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3382                                      union wpa_event_data *data)
3383 {
3384         if (data == NULL)
3385                 return;
3386         switch (data->wnm.oper) {
3387         case WNM_OPER_SLEEP:
3388                 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3389                            "(action=%d, intval=%d)",
3390                            data->wnm.sleep_action, data->wnm.sleep_intval);
3391                 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
3392                                              data->wnm.sleep_intval, NULL);
3393                 break;
3394         }
3395 }
3396 #endif /* CONFIG_WNM */
3397
3398
3399 #ifdef CONFIG_IEEE80211R
3400 static void
3401 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3402                                  union wpa_event_data *data)
3403 {
3404         if (data == NULL)
3405                 return;
3406
3407         if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3408                                     data->ft_ies.ies_len,
3409                                     data->ft_ies.ft_action,
3410                                     data->ft_ies.target_ap,
3411                                     data->ft_ies.ric_ies,
3412                                     data->ft_ies.ric_ies_len) < 0) {
3413                 /* TODO: prevent MLME/driver from trying to associate? */
3414         }
3415 }
3416 #endif /* CONFIG_IEEE80211R */
3417
3418
3419 #ifdef CONFIG_IBSS_RSN
3420 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3421                                                 union wpa_event_data *data)
3422 {
3423         struct wpa_ssid *ssid;
3424         if (wpa_s->wpa_state < WPA_ASSOCIATED)
3425                 return;
3426         if (data == NULL)
3427                 return;
3428         ssid = wpa_s->current_ssid;
3429         if (ssid == NULL)
3430                 return;
3431         if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3432                 return;
3433
3434         ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3435 }
3436
3437
3438 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3439                                            union wpa_event_data *data)
3440 {
3441         struct wpa_ssid *ssid = wpa_s->current_ssid;
3442
3443         if (ssid == NULL)
3444                 return;
3445
3446         /* check if the ssid is correctly configured as IBSS/RSN */
3447         if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3448                 return;
3449
3450         ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3451                              data->rx_mgmt.frame_len);
3452 }
3453 #endif /* CONFIG_IBSS_RSN */
3454
3455
3456 #ifdef CONFIG_IEEE80211R
3457 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3458                          size_t len)
3459 {
3460         const u8 *sta_addr, *target_ap_addr;
3461         u16 status;
3462
3463         wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3464         if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3465                 return; /* only SME case supported for now */
3466         if (len < 1 + 2 * ETH_ALEN + 2)
3467                 return;
3468         if (data[0] != 2)
3469                 return; /* Only FT Action Response is supported for now */
3470         sta_addr = data + 1;
3471         target_ap_addr = data + 1 + ETH_ALEN;
3472         status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
3473         wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3474                 MACSTR " TargetAP " MACSTR " status %u",
3475                 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
3476
3477         if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
3478                 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3479                         " in FT Action Response", MAC2STR(sta_addr));
3480                 return;
3481         }
3482
3483         if (status) {
3484                 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3485                         "failure (status code %d)", status);
3486                 /* TODO: report error to FT code(?) */
3487                 return;
3488         }
3489
3490         if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3491                                     len - (1 + 2 * ETH_ALEN + 2), 1,
3492                                     target_ap_addr, NULL, 0) < 0)
3493                 return;
3494
3495 #ifdef CONFIG_SME
3496         {
3497                 struct wpa_bss *bss;
3498                 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3499                 if (bss)
3500                         wpa_s->sme.freq = bss->freq;
3501                 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
3502                 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3503                               WLAN_AUTH_FT);
3504         }
3505 #endif /* CONFIG_SME */
3506 }
3507 #endif /* CONFIG_IEEE80211R */
3508
3509
3510 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3511                                                struct unprot_deauth *e)
3512 {
3513 #ifdef CONFIG_IEEE80211W
3514         wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3515                    "dropped: " MACSTR " -> " MACSTR
3516                    " (reason code %u)",
3517                    MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3518         sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3519 #endif /* CONFIG_IEEE80211W */
3520 }
3521
3522
3523 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3524                                                  struct unprot_disassoc *e)
3525 {
3526 #ifdef CONFIG_IEEE80211W
3527         wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3528                    "dropped: " MACSTR " -> " MACSTR
3529                    " (reason code %u)",
3530                    MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3531         sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3532 #endif /* CONFIG_IEEE80211W */
3533 }
3534
3535
3536 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3537                                   u16 reason_code, int locally_generated,
3538                                   const u8 *ie, size_t ie_len, int deauth)
3539 {
3540 #ifdef CONFIG_AP
3541         if (wpa_s->ap_iface && addr) {
3542                 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3543                 return;
3544         }
3545
3546         if (wpa_s->ap_iface) {
3547                 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3548                 return;
3549         }
3550 #endif /* CONFIG_AP */
3551
3552         if (!locally_generated)
3553                 wpa_s->own_disconnect_req = 0;
3554
3555         wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3556
3557         if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3558               ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3559                 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3560                eapol_sm_failed(wpa_s->eapol))) &&
3561              !wpa_s->eap_expected_failure))
3562                 wpas_auth_failed(wpa_s, "AUTH_FAILED");
3563
3564 #ifdef CONFIG_P2P
3565         if (deauth && reason_code > 0) {
3566                 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3567                                           locally_generated) > 0) {
3568                         /*
3569                          * The interface was removed, so cannot continue
3570                          * processing any additional operations after this.
3571                          */
3572                         return;
3573                 }
3574         }
3575 #endif /* CONFIG_P2P */
3576
3577         wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3578                                              locally_generated);
3579 }
3580
3581
3582 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3583                                 struct disassoc_info *info)
3584 {
3585         u16 reason_code = 0;
3586         int locally_generated = 0;
3587         const u8 *addr = NULL;
3588         const u8 *ie = NULL;
3589         size_t ie_len = 0;
3590
3591         wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3592
3593         if (info) {
3594                 addr = info->addr;
3595                 ie = info->ie;
3596                 ie_len = info->ie_len;
3597                 reason_code = info->reason_code;
3598                 locally_generated = info->locally_generated;
3599                 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
3600                         locally_generated ? " (locally generated)" : "");
3601                 if (addr)
3602                         wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3603                                 MAC2STR(addr));
3604                 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3605                             ie, ie_len);
3606         }
3607
3608 #ifdef CONFIG_AP
3609         if (wpa_s->ap_iface && info && info->addr) {
3610                 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3611                 return;
3612         }
3613
3614         if (wpa_s->ap_iface) {
3615                 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3616                 return;
3617         }
3618 #endif /* CONFIG_AP */
3619
3620 #ifdef CONFIG_P2P
3621         if (info) {
3622                 wpas_p2p_disassoc_notif(
3623                         wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3624                         locally_generated);
3625         }
3626 #endif /* CONFIG_P2P */
3627
3628         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3629                 sme_event_disassoc(wpa_s, info);
3630
3631         wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3632                               ie, ie_len, 0);
3633 }
3634
3635
3636 static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3637                               struct deauth_info *info)
3638 {
3639         u16 reason_code = 0;
3640         int locally_generated = 0;
3641         const u8 *addr = NULL;
3642         const u8 *ie = NULL;
3643         size_t ie_len = 0;
3644
3645         wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3646
3647         if (info) {
3648                 addr = info->addr;
3649                 ie = info->ie;
3650                 ie_len = info->ie_len;
3651                 reason_code = info->reason_code;
3652                 locally_generated = info->locally_generated;
3653                 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
3654                         reason_code,
3655                         locally_generated ? " (locally generated)" : "");
3656                 if (addr) {
3657                         wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3658                                 MAC2STR(addr));
3659                 }
3660                 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3661                             ie, ie_len);
3662         }
3663
3664         wpa_reset_ft_completed(wpa_s->wpa);
3665
3666         wpas_event_disconnect(wpa_s, addr, reason_code,
3667                               locally_generated, ie, ie_len, 1);
3668 }
3669
3670
3671 static const char * reg_init_str(enum reg_change_initiator init)
3672 {
3673         switch (init) {
3674         case REGDOM_SET_BY_CORE:
3675                 return "CORE";
3676         case REGDOM_SET_BY_USER:
3677                 return "USER";
3678         case REGDOM_SET_BY_DRIVER:
3679                 return "DRIVER";
3680         case REGDOM_SET_BY_COUNTRY_IE:
3681                 return "COUNTRY_IE";
3682         case REGDOM_BEACON_HINT:
3683                 return "BEACON_HINT";
3684         }
3685         return "?";
3686 }
3687
3688
3689 static const char * reg_type_str(enum reg_type type)
3690 {
3691         switch (type) {
3692         case REGDOM_TYPE_UNKNOWN:
3693                 return "UNKNOWN";
3694         case REGDOM_TYPE_COUNTRY:
3695                 return "COUNTRY";
3696         case REGDOM_TYPE_WORLD:
3697                 return "WORLD";
3698         case REGDOM_TYPE_CUSTOM_WORLD:
3699                 return "CUSTOM_WORLD";
3700         case REGDOM_TYPE_INTERSECTION:
3701                 return "INTERSECTION";
3702         }
3703         return "?";
3704 }
3705
3706
3707 void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
3708                                         struct channel_list_changed *info)
3709 {
3710         struct wpa_supplicant *ifs;
3711         u8 dfs_domain;
3712
3713         /*
3714          * To allow backwards compatibility with higher level layers that
3715          * assumed the REGDOM_CHANGE event is sent over the initially added
3716          * interface. Find the highest parent of this interface and use it to
3717          * send the event.
3718          */
3719         for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3720                 ;
3721
3722         if (info) {
3723                 wpa_msg(ifs, MSG_INFO,
3724                         WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
3725                         reg_init_str(info->initiator), reg_type_str(info->type),
3726                         info->alpha2[0] ? " alpha2=" : "",
3727                         info->alpha2[0] ? info->alpha2 : "");
3728         }
3729
3730         if (wpa_s->drv_priv == NULL)
3731                 return; /* Ignore event during drv initialization */
3732
3733         dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3734                          radio_list) {
3735                 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3736                            ifs->ifname);
3737                 free_hw_features(ifs);
3738                 ifs->hw.modes = wpa_drv_get_hw_feature_data(
3739                         ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
3740
3741                 /* Restart PNO/sched_scan with updated channel list */
3742                 if (ifs->pno) {
3743                         wpas_stop_pno(ifs);
3744                         wpas_start_pno(ifs);
3745                 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3746                         wpa_dbg(ifs, MSG_DEBUG,
3747                                 "Channel list changed - restart sched_scan");
3748                         wpas_scan_restart_sched_scan(ifs);
3749                 }
3750         }
3751
3752         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
3753 }
3754
3755
3756 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
3757                                       const u8 *frame, size_t len, int freq,
3758                                       int rssi)
3759 {
3760         const struct ieee80211_mgmt *mgmt;
3761         const u8 *payload;
3762         size_t plen;
3763         u8 category;
3764
3765         if (len < IEEE80211_HDRLEN + 2)
3766                 return;
3767
3768         mgmt = (const struct ieee80211_mgmt *) frame;
3769         payload = frame + IEEE80211_HDRLEN;
3770         category = *payload++;
3771         plen = len - IEEE80211_HDRLEN - 1;
3772
3773         wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3774                 " Category=%u DataLen=%d freq=%d MHz",
3775                 MAC2STR(mgmt->sa), category, (int) plen, freq);
3776
3777         if (category == WLAN_ACTION_WMM) {
3778                 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3779                 return;
3780         }
3781
3782 #ifdef CONFIG_IEEE80211R
3783         if (category == WLAN_ACTION_FT) {
3784                 ft_rx_action(wpa_s, payload, plen);
3785                 return;
3786         }
3787 #endif /* CONFIG_IEEE80211R */
3788
3789 #ifdef CONFIG_IEEE80211W
3790 #ifdef CONFIG_SME
3791         if (category == WLAN_ACTION_SA_QUERY) {
3792                 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3793                 return;
3794         }
3795 #endif /* CONFIG_SME */
3796 #endif /* CONFIG_IEEE80211W */
3797
3798 #ifdef CONFIG_WNM
3799         if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3800                 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3801                 return;
3802         }
3803 #endif /* CONFIG_WNM */
3804
3805 #ifdef CONFIG_GAS
3806         if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3807              mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3808             gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
3809                          mgmt->u.action.category,
3810                          payload, plen, freq) == 0)
3811                 return;
3812 #endif /* CONFIG_GAS */
3813
3814 #ifdef CONFIG_GAS_SERVER
3815         if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3816              mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3817             gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
3818                           mgmt->u.action.category,
3819                           payload, plen, freq) == 0)
3820                 return;
3821 #endif /* CONFIG_GAS_SERVER */
3822
3823 #ifdef CONFIG_TDLS
3824         if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3825             payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3826                 wpa_dbg(wpa_s, MSG_DEBUG,
3827                         "TDLS: Received Discovery Response from " MACSTR,
3828                         MAC2STR(mgmt->sa));
3829                 return;
3830         }
3831 #endif /* CONFIG_TDLS */
3832
3833 #ifdef CONFIG_INTERWORKING
3834         if (category == WLAN_ACTION_QOS && plen >= 1 &&
3835             payload[0] == QOS_QOS_MAP_CONFIG) {
3836                 const u8 *pos = payload + 1;
3837                 size_t qlen = plen - 1;
3838                 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3839                         MACSTR, MAC2STR(mgmt->sa));
3840                 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3841                     qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3842                     pos[1] <= qlen - 2 && pos[1] >= 16)
3843                         wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3844                 return;
3845         }
3846 #endif /* CONFIG_INTERWORKING */
3847
3848         if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3849             payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3850                 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
3851                                                           mgmt->da,
3852                                                           payload + 1,
3853                                                           plen - 1);
3854                 return;
3855         }
3856
3857         if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3858             payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3859                 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3860                 return;
3861         }
3862
3863         if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3864             payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3865                 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3866                                                          payload + 1, plen - 1,
3867                                                          rssi);
3868                 return;
3869         }
3870
3871 #ifdef CONFIG_FST
3872         if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3873                 fst_rx_action(wpa_s->fst, mgmt, len);
3874                 return;
3875         }
3876 #endif /* CONFIG_FST */
3877
3878 #ifdef CONFIG_DPP
3879         if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
3880             payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
3881             WPA_GET_BE24(&payload[1]) == OUI_WFA &&
3882             payload[4] == DPP_OUI_TYPE) {
3883                 payload++;
3884                 plen--;
3885                 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
3886                 return;
3887         }
3888 #endif /* CONFIG_DPP */
3889
3890         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3891                            category, payload, plen, freq);
3892         if (wpa_s->ifmsh)
3893                 mesh_mpm_action_rx(wpa_s, mgmt, len);
3894 }
3895
3896
3897 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3898                                              union wpa_event_data *event)
3899 {
3900         struct wpa_freq_range_list *list;
3901         char *str = NULL;
3902
3903         list = &event->freq_range;
3904
3905         if (list->num)
3906                 str = freq_range_list_str(list);
3907         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3908                 str ? str : "");
3909
3910 #ifdef CONFIG_P2P
3911         if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3912                 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3913                         __func__);
3914         } else {
3915                 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
3916
3917                 /*
3918                  * The update channel flow will also take care of moving a GO
3919                  * from the unsafe frequency if needed.
3920                  */
3921                 wpas_p2p_update_channel_list(wpa_s,
3922                                              WPAS_P2P_CHANNEL_UPDATE_AVOID);
3923         }
3924 #endif /* CONFIG_P2P */
3925
3926         os_free(str);
3927 }
3928
3929
3930 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
3931 {
3932         if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3933                 wpa_supplicant_cancel_auth_timeout(wpa_s);
3934                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3935                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3936                 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3937         }
3938 }
3939
3940
3941 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
3942                                       int freq)
3943 {
3944         size_t i;
3945         int j;
3946
3947         for (i = 0; i < wpa_s->hw.num_modes; i++) {
3948                 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
3949
3950                 for (j = 0; j < mode->num_channels; j++) {
3951                         const struct hostapd_channel_data *chan;
3952
3953                         chan = &mode->channels[j];
3954                         if (chan->freq == freq)
3955                                 return chan->dfs_cac_ms;
3956                 }
3957         }
3958
3959         return 0;
3960 }
3961
3962
3963 static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
3964                                        struct dfs_event *radar)
3965 {
3966 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3967         if (wpa_s->ap_iface || wpa_s->ifmsh) {
3968                 wpas_ap_event_dfs_cac_started(wpa_s, radar);
3969         } else
3970 #endif /* NEED_AP_MLME && CONFIG_AP */
3971         {
3972                 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);
3973
3974                 cac_time /= 1000; /* convert from ms to sec */
3975                 if (!cac_time)
3976                         cac_time = 10 * 60; /* max timeout: 10 minutes */
3977
3978                 /* Restart auth timeout: CAC time added to initial timeout */
3979                 wpas_auth_timeout_restart(wpa_s, cac_time);
3980         }
3981 }
3982
3983
3984 static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
3985                                         struct dfs_event *radar)
3986 {
3987 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3988         if (wpa_s->ap_iface || wpa_s->ifmsh) {
3989                 wpas_ap_event_dfs_cac_finished(wpa_s, radar);
3990         } else
3991 #endif /* NEED_AP_MLME && CONFIG_AP */
3992         {
3993                 /* Restart auth timeout with original value after CAC is
3994                  * finished */
3995                 wpas_auth_timeout_restart(wpa_s, 0);
3996         }
3997 }
3998
3999
4000 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
4001                                        struct dfs_event *radar)
4002 {
4003 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
4004         if (wpa_s->ap_iface || wpa_s->ifmsh) {
4005                 wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
4006         } else
4007 #endif /* NEED_AP_MLME && CONFIG_AP */
4008         {
4009                 /* Restart auth timeout with original value after CAC is
4010                  * aborted */
4011                 wpas_auth_timeout_restart(wpa_s, 0);
4012         }
4013 }
4014
4015
4016 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
4017                                             union wpa_event_data *data)
4018 {
4019         wpa_dbg(wpa_s, MSG_DEBUG,
4020                 "Connection authorized by device, previous state %d",
4021                 wpa_s->wpa_state);
4022
4023         wpa_supplicant_event_port_authorized(wpa_s);
4024
4025         wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
4026         wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
4027                                data->assoc_info.ptk_kck_len,
4028                                data->assoc_info.ptk_kek,
4029                                data->assoc_info.ptk_kek_len);
4030 #ifdef CONFIG_FILS
4031         if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
4032                 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
4033                 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
4034
4035                 /* Update ERP next sequence number */
4036                 eapol_sm_update_erp_next_seq_num(
4037                         wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
4038
4039                 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
4040                         /* Add the new PMK and PMKID to the PMKSA cache */
4041                         wpa_sm_pmksa_cache_add(wpa_s->wpa,
4042                                                data->assoc_info.fils_pmk,
4043                                                data->assoc_info.fils_pmk_len,
4044                                                data->assoc_info.fils_pmkid,
4045                                                wpa_s->bssid, fils_cache_id);
4046                 } else if (data->assoc_info.fils_pmkid) {
4047                         /* Update the current PMKSA used for this connection */
4048                         pmksa_cache_set_current(wpa_s->wpa,
4049                                                 data->assoc_info.fils_pmkid,
4050                                                 NULL, NULL, 0, NULL, 0);
4051                 }
4052         }
4053 #endif /* CONFIG_FILS */
4054 }
4055
4056
4057 static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
4058                                     union wpa_event_data *data)
4059 {
4060         const u8 *bssid = data->assoc_reject.bssid;
4061
4062         if (!bssid || is_zero_ether_addr(bssid))
4063                 bssid = wpa_s->pending_bssid;
4064
4065         if (data->assoc_reject.bssid)
4066                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4067                         "bssid=" MACSTR " status_code=%u%s%s%s",
4068                         MAC2STR(data->assoc_reject.bssid),
4069                         data->assoc_reject.status_code,
4070                         data->assoc_reject.timed_out ? " timeout" : "",
4071                         data->assoc_reject.timeout_reason ? "=" : "",
4072                         data->assoc_reject.timeout_reason ?
4073                         data->assoc_reject.timeout_reason : "");
4074         else
4075                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
4076                         "status_code=%u%s%s%s",
4077                         data->assoc_reject.status_code,
4078                         data->assoc_reject.timed_out ? " timeout" : "",
4079                         data->assoc_reject.timeout_reason ? "=" : "",
4080                         data->assoc_reject.timeout_reason ?
4081                         data->assoc_reject.timeout_reason : "");
4082         wpa_s->assoc_status_code = data->assoc_reject.status_code;
4083         wpas_notify_assoc_status_code(wpa_s);
4084
4085 #ifdef CONFIG_OWE
4086         if (data->assoc_reject.status_code ==
4087             WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
4088             wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
4089             wpa_s->current_ssid &&
4090             wpa_s->current_ssid->owe_group == 0 &&
4091             wpa_s->last_owe_group != 21) {
4092                 struct wpa_ssid *ssid = wpa_s->current_ssid;
4093                 struct wpa_bss *bss = wpa_s->current_bss;
4094
4095                 if (!bss) {
4096                         bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
4097                         if (!bss) {
4098                                 wpas_connection_failed(wpa_s, bssid);
4099                                 wpa_supplicant_mark_disassoc(wpa_s);
4100                                 return;
4101                         }
4102                 }
4103                 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
4104                 wpas_connect_work_done(wpa_s);
4105                 wpa_supplicant_mark_disassoc(wpa_s);
4106                 wpa_supplicant_connect(wpa_s, bss, ssid);
4107                 return;
4108         }
4109 #endif /* CONFIG_OWE */
4110
4111 #ifdef CONFIG_MBO
4112         if (data->assoc_reject.status_code ==
4113             WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
4114             wpa_s->current_bss && data->assoc_reject.bssid &&
4115             data->assoc_reject.resp_ies) {
4116                 const u8 *rssi_rej;
4117
4118                 rssi_rej = mbo_get_attr_from_ies(
4119                         data->assoc_reject.resp_ies,
4120                         data->assoc_reject.resp_ies_len,
4121                         OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
4122                 if (rssi_rej && rssi_rej[1] == 2) {
4123                         wpa_printf(MSG_DEBUG,
4124                                    "OCE: RSSI-based association rejection from "
4125                                    MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
4126                                    MAC2STR(data->assoc_reject.bssid),
4127                                    rssi_rej[2], rssi_rej[3]);
4128                         wpa_bss_tmp_disallow(wpa_s,
4129                                              data->assoc_reject.bssid,
4130                                              rssi_rej[3],
4131                                              rssi_rej[2] +
4132                                              wpa_s->current_bss->level);
4133                 }
4134         }
4135 #endif /* CONFIG_MBO */
4136
4137         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
4138                 sme_event_assoc_reject(wpa_s, data);
4139                 return;
4140         }
4141
4142         /* Driver-based SME cases */
4143
4144 #ifdef CONFIG_SAE
4145         if (wpa_s->current_ssid &&
4146             wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
4147             !data->assoc_reject.timed_out) {
4148                 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
4149                 wpa_sm_aborted_cached(wpa_s->wpa);
4150                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4151         }
4152 #endif /* CONFIG_SAE */
4153
4154 #ifdef CONFIG_DPP
4155         if (wpa_s->current_ssid &&
4156             wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
4157             !data->assoc_reject.timed_out) {
4158                 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
4159                 wpa_sm_aborted_cached(wpa_s->wpa);
4160                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4161         }
4162 #endif /* CONFIG_DPP */
4163
4164 #ifdef CONFIG_FILS
4165         /* Update ERP next sequence number */
4166         if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
4167                 eapol_sm_update_erp_next_seq_num(
4168                         wpa_s->eapol,
4169                         data->assoc_reject.fils_erp_next_seq_num);
4170                 fils_connection_failure(wpa_s);
4171         }
4172 #endif /* CONFIG_FILS */
4173
4174         wpas_connection_failed(wpa_s, bssid);
4175         wpa_supplicant_mark_disassoc(wpa_s);
4176 }
4177
4178
4179 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
4180                           union wpa_event_data *data)
4181 {
4182         struct wpa_supplicant *wpa_s = ctx;
4183         int resched;
4184 #ifndef CONFIG_NO_STDOUT_DEBUG
4185         int level = MSG_DEBUG;
4186 #endif /* CONFIG_NO_STDOUT_DEBUG */
4187
4188         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
4189             event != EVENT_INTERFACE_ENABLED &&
4190             event != EVENT_INTERFACE_STATUS &&
4191             event != EVENT_SCAN_RESULTS &&
4192             event != EVENT_SCHED_SCAN_STOPPED) {
4193                 wpa_dbg(wpa_s, MSG_DEBUG,
4194                         "Ignore event %s (%d) while interface is disabled",
4195                         event_to_string(event), event);
4196                 return;
4197         }
4198
4199 #ifndef CONFIG_NO_STDOUT_DEBUG
4200         if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
4201                 const struct ieee80211_hdr *hdr;
4202                 u16 fc;
4203                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
4204                 fc = le_to_host16(hdr->frame_control);
4205                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4206                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
4207                         level = MSG_EXCESSIVE;
4208         }
4209
4210         wpa_dbg(wpa_s, level, "Event %s (%d) received",
4211                 event_to_string(event), event);
4212 #endif /* CONFIG_NO_STDOUT_DEBUG */
4213
4214         switch (event) {
4215         case EVENT_AUTH:
4216 #ifdef CONFIG_FST
4217                 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
4218                                           data->auth.ies_len))
4219                         wpa_printf(MSG_DEBUG,
4220                                    "FST: MB IEs updated from auth IE");
4221 #endif /* CONFIG_FST */
4222                 sme_event_auth(wpa_s, data);
4223                 wpa_s->auth_status_code = data->auth.status_code;
4224                 wpas_notify_auth_status_code(wpa_s);
4225                 break;
4226         case EVENT_ASSOC:
4227 #ifdef CONFIG_TESTING_OPTIONS
4228                 if (wpa_s->ignore_auth_resp) {
4229                         wpa_printf(MSG_INFO,
4230                                    "EVENT_ASSOC - ignore_auth_resp active!");
4231                         break;
4232                 }
4233                 if (wpa_s->testing_resend_assoc) {
4234                         wpa_printf(MSG_INFO,
4235                                    "EVENT_DEAUTH - testing_resend_assoc");
4236                         break;
4237                 }
4238 #endif /* CONFIG_TESTING_OPTIONS */
4239                 wpa_supplicant_event_assoc(wpa_s, data);
4240                 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
4241                 if (data &&
4242                     (data->assoc_info.authorized ||
4243                      (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4244                       wpa_fils_is_completed(wpa_s->wpa))))
4245                         wpa_supplicant_event_assoc_auth(wpa_s, data);
4246                 if (data) {
4247                         wpa_msg(wpa_s, MSG_INFO,
4248                                 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
4249                                 data->assoc_info.subnet_status);
4250                 }
4251                 break;
4252         case EVENT_DISASSOC:
4253                 wpas_event_disassoc(wpa_s,
4254                                     data ? &data->disassoc_info : NULL);
4255                 break;
4256         case EVENT_DEAUTH:
4257 #ifdef CONFIG_TESTING_OPTIONS
4258                 if (wpa_s->ignore_auth_resp) {
4259                         wpa_printf(MSG_INFO,
4260                                    "EVENT_DEAUTH - ignore_auth_resp active!");
4261                         break;
4262                 }
4263                 if (wpa_s->testing_resend_assoc) {
4264                         wpa_printf(MSG_INFO,
4265                                    "EVENT_DEAUTH - testing_resend_assoc");
4266                         break;
4267                 }
4268 #endif /* CONFIG_TESTING_OPTIONS */
4269                 wpas_event_deauth(wpa_s,
4270                                   data ? &data->deauth_info : NULL);
4271                 break;
4272         case EVENT_MICHAEL_MIC_FAILURE:
4273                 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
4274                 break;
4275 #ifndef CONFIG_NO_SCAN_PROCESSING
4276         case EVENT_SCAN_STARTED:
4277                 if (wpa_s->own_scan_requested ||
4278                     (data && !data->scan_info.external_scan)) {
4279                         struct os_reltime diff;
4280
4281                         os_get_reltime(&wpa_s->scan_start_time);
4282                         os_reltime_sub(&wpa_s->scan_start_time,
4283                                        &wpa_s->scan_trigger_time, &diff);
4284                         wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
4285                                 diff.sec, diff.usec);
4286                         wpa_s->own_scan_requested = 0;
4287                         wpa_s->own_scan_running = 1;
4288                         if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
4289                             wpa_s->manual_scan_use_id) {
4290                                 wpa_msg_ctrl(wpa_s, MSG_INFO,
4291                                              WPA_EVENT_SCAN_STARTED "id=%u",
4292                                              wpa_s->manual_scan_id);
4293                         } else {
4294                                 wpa_msg_ctrl(wpa_s, MSG_INFO,
4295                                              WPA_EVENT_SCAN_STARTED);
4296                         }
4297                 } else {
4298                         wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
4299                         wpa_s->radio->external_scan_running = 1;
4300                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
4301                 }
4302                 break;
4303         case EVENT_SCAN_RESULTS:
4304                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4305                         wpa_s->scan_res_handler = NULL;
4306                         wpa_s->own_scan_running = 0;
4307                         wpa_s->radio->external_scan_running = 0;
4308                         wpa_s->last_scan_req = NORMAL_SCAN_REQ;
4309                         break;
4310                 }
4311
4312                 if (!(data && data->scan_info.external_scan) &&
4313                     os_reltime_initialized(&wpa_s->scan_start_time)) {
4314                         struct os_reltime now, diff;
4315                         os_get_reltime(&now);
4316                         os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
4317                         wpa_s->scan_start_time.sec = 0;
4318                         wpa_s->scan_start_time.usec = 0;
4319                         wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
4320                                 diff.sec, diff.usec);
4321                 }
4322                 if (wpa_supplicant_event_scan_results(wpa_s, data))
4323                         break; /* interface may have been removed */
4324                 if (!(data && data->scan_info.external_scan))
4325                         wpa_s->own_scan_running = 0;
4326                 if (data && data->scan_info.nl_scan_event)
4327                         wpa_s->radio->external_scan_running = 0;
4328                 radio_work_check_next(wpa_s);
4329                 break;
4330 #endif /* CONFIG_NO_SCAN_PROCESSING */
4331         case EVENT_ASSOCINFO:
4332                 wpa_supplicant_event_associnfo(wpa_s, data);
4333                 break;
4334         case EVENT_INTERFACE_STATUS:
4335                 wpa_supplicant_event_interface_status(wpa_s, data);
4336                 break;
4337         case EVENT_PMKID_CANDIDATE:
4338                 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
4339                 break;
4340 #ifdef CONFIG_TDLS
4341         case EVENT_TDLS:
4342                 wpa_supplicant_event_tdls(wpa_s, data);
4343                 break;
4344 #endif /* CONFIG_TDLS */
4345 #ifdef CONFIG_WNM
4346         case EVENT_WNM:
4347                 wpa_supplicant_event_wnm(wpa_s, data);
4348                 break;
4349 #endif /* CONFIG_WNM */
4350 #ifdef CONFIG_IEEE80211R
4351         case EVENT_FT_RESPONSE:
4352                 wpa_supplicant_event_ft_response(wpa_s, data);
4353                 break;
4354 #endif /* CONFIG_IEEE80211R */
4355 #ifdef CONFIG_IBSS_RSN
4356         case EVENT_IBSS_RSN_START:
4357                 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
4358                 break;
4359 #endif /* CONFIG_IBSS_RSN */
4360         case EVENT_ASSOC_REJECT:
4361                 wpas_event_assoc_reject(wpa_s, data);
4362                 break;
4363         case EVENT_AUTH_TIMED_OUT:
4364                 /* It is possible to get this event from earlier connection */
4365                 if (wpa_s->current_ssid &&
4366                     wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4367                         wpa_dbg(wpa_s, MSG_DEBUG,
4368                                 "Ignore AUTH_TIMED_OUT in mesh configuration");
4369                         break;
4370                 }
4371                 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4372                         sme_event_auth_timed_out(wpa_s, data);
4373                 break;
4374         case EVENT_ASSOC_TIMED_OUT:
4375                 /* It is possible to get this event from earlier connection */
4376                 if (wpa_s->current_ssid &&
4377                     wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4378                         wpa_dbg(wpa_s, MSG_DEBUG,
4379                                 "Ignore ASSOC_TIMED_OUT in mesh configuration");
4380                         break;
4381                 }
4382                 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4383                         sme_event_assoc_timed_out(wpa_s, data);
4384                 break;
4385         case EVENT_TX_STATUS:
4386                 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
4387                         " type=%d stype=%d",
4388                         MAC2STR(data->tx_status.dst),
4389                         data->tx_status.type, data->tx_status.stype);
4390 #ifdef CONFIG_AP
4391                 if (wpa_s->ap_iface == NULL) {
4392 #ifdef CONFIG_OFFCHANNEL
4393                         if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4394                             data->tx_status.stype == WLAN_FC_STYPE_ACTION)
4395                                 offchannel_send_action_tx_status(
4396                                         wpa_s, data->tx_status.dst,
4397                                         data->tx_status.data,
4398                                         data->tx_status.data_len,
4399                                         data->tx_status.ack ?
4400                                         OFFCHANNEL_SEND_ACTION_SUCCESS :
4401                                         OFFCHANNEL_SEND_ACTION_NO_ACK);
4402 #endif /* CONFIG_OFFCHANNEL */
4403                         break;
4404                 }
4405 #endif /* CONFIG_AP */
4406 #ifdef CONFIG_OFFCHANNEL
4407                 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
4408                         MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
4409                 /*
4410                  * Catch TX status events for Action frames we sent via group
4411                  * interface in GO mode, or via standalone AP interface.
4412                  * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
4413                  * except when the primary interface is used as a GO interface
4414                  * (for drivers which do not have group interface concurrency)
4415                  */
4416                 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4417                     data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
4418                     os_memcmp(wpa_s->p2pdev->pending_action_dst,
4419                               data->tx_status.dst, ETH_ALEN) == 0) {
4420                         offchannel_send_action_tx_status(
4421                                 wpa_s->p2pdev, data->tx_status.dst,
4422                                 data->tx_status.data,
4423                                 data->tx_status.data_len,
4424                                 data->tx_status.ack ?
4425                                 OFFCHANNEL_SEND_ACTION_SUCCESS :
4426                                 OFFCHANNEL_SEND_ACTION_NO_ACK);
4427                         break;
4428                 }
4429 #endif /* CONFIG_OFFCHANNEL */
4430 #ifdef CONFIG_AP
4431                 switch (data->tx_status.type) {
4432                 case WLAN_FC_TYPE_MGMT:
4433                         ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
4434                                       data->tx_status.data_len,
4435                                       data->tx_status.stype,
4436                                       data->tx_status.ack);
4437                         break;
4438                 case WLAN_FC_TYPE_DATA:
4439                         ap_tx_status(wpa_s, data->tx_status.dst,
4440                                      data->tx_status.data,
4441                                      data->tx_status.data_len,
4442                                      data->tx_status.ack);
4443                         break;
4444                 }
4445 #endif /* CONFIG_AP */
4446                 break;
4447 #ifdef CONFIG_AP
4448         case EVENT_EAPOL_TX_STATUS:
4449                 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
4450                                    data->eapol_tx_status.data,
4451                                    data->eapol_tx_status.data_len,
4452                                    data->eapol_tx_status.ack);
4453                 break;
4454         case EVENT_DRIVER_CLIENT_POLL_OK:
4455                 ap_client_poll_ok(wpa_s, data->client_poll.addr);
4456                 break;
4457         case EVENT_RX_FROM_UNKNOWN:
4458                 if (wpa_s->ap_iface == NULL)
4459                         break;
4460                 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
4461                                        data->rx_from_unknown.wds);
4462                 break;
4463 #endif /* CONFIG_AP */
4464         case EVENT_CH_SWITCH:
4465                 if (!data || !wpa_s->current_ssid)
4466                         break;
4467
4468                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
4469                         "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4470                         data->ch_switch.freq,
4471                         data->ch_switch.ht_enabled,
4472                         data->ch_switch.ch_offset,
4473                         channel_width_to_string(data->ch_switch.ch_width),
4474                         data->ch_switch.cf1,
4475                         data->ch_switch.cf2);
4476
4477                 wpa_s->assoc_freq = data->ch_switch.freq;
4478                 wpa_s->current_ssid->frequency = data->ch_switch.freq;
4479
4480 #ifdef CONFIG_AP
4481                 if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
4482                     wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
4483                     wpa_s->current_ssid->mode == WPAS_MODE_MESH ||
4484                     wpa_s->current_ssid->mode ==
4485                     WPAS_MODE_P2P_GROUP_FORMATION) {
4486                         wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
4487                                           data->ch_switch.ht_enabled,
4488                                           data->ch_switch.ch_offset,
4489                                           data->ch_switch.ch_width,
4490                                           data->ch_switch.cf1,
4491                                           data->ch_switch.cf2);
4492                 }
4493 #endif /* CONFIG_AP */
4494
4495 #ifdef CONFIG_IEEE80211W
4496                 sme_event_ch_switch(wpa_s);
4497 #endif /* CONFIG_IEEE80211W */
4498                 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
4499                 wnm_clear_coloc_intf_reporting(wpa_s);
4500                 break;
4501 #ifdef CONFIG_AP
4502 #ifdef NEED_AP_MLME
4503         case EVENT_DFS_RADAR_DETECTED:
4504                 if (data)
4505                         wpas_ap_event_dfs_radar_detected(wpa_s,
4506                                                          &data->dfs_event);
4507                 break;
4508         case EVENT_DFS_NOP_FINISHED:
4509                 if (data)
4510                         wpas_ap_event_dfs_cac_nop_finished(wpa_s,
4511                                                            &data->dfs_event);
4512                 break;
4513 #endif /* NEED_AP_MLME */
4514 #endif /* CONFIG_AP */
4515         case EVENT_DFS_CAC_STARTED:
4516                 if (data)
4517                         wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
4518                 break;
4519         case EVENT_DFS_CAC_FINISHED:
4520                 if (data)
4521                         wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
4522                 break;
4523         case EVENT_DFS_CAC_ABORTED:
4524                 if (data)
4525                         wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
4526                 break;
4527         case EVENT_RX_MGMT: {
4528                 u16 fc, stype;
4529                 const struct ieee80211_mgmt *mgmt;
4530
4531 #ifdef CONFIG_TESTING_OPTIONS
4532                 if (wpa_s->ext_mgmt_frame_handling) {
4533                         struct rx_mgmt *rx = &data->rx_mgmt;
4534                         size_t hex_len = 2 * rx->frame_len + 1;
4535                         char *hex = os_malloc(hex_len);
4536                         if (hex) {
4537                                 wpa_snprintf_hex(hex, hex_len,
4538                                                  rx->frame, rx->frame_len);
4539                                 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4540                                         rx->freq, rx->datarate, rx->ssi_signal,
4541                                         hex);
4542                                 os_free(hex);
4543                         }
4544                         break;
4545                 }
4546 #endif /* CONFIG_TESTING_OPTIONS */
4547
4548                 mgmt = (const struct ieee80211_mgmt *)
4549                         data->rx_mgmt.frame;
4550                 fc = le_to_host16(mgmt->frame_control);
4551                 stype = WLAN_FC_GET_STYPE(fc);
4552
4553 #ifdef CONFIG_AP
4554                 if (wpa_s->ap_iface == NULL) {
4555 #endif /* CONFIG_AP */
4556 #ifdef CONFIG_P2P
4557                         if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4558                             data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4559                                 const u8 *src = mgmt->sa;
4560                                 const u8 *ie;
4561                                 size_t ie_len;
4562
4563                                 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4564                                 ie_len = data->rx_mgmt.frame_len -
4565                                         IEEE80211_HDRLEN;
4566                                 wpas_p2p_probe_req_rx(
4567                                         wpa_s, src, mgmt->da,
4568                                         mgmt->bssid, ie, ie_len,
4569                                         data->rx_mgmt.freq,
4570                                         data->rx_mgmt.ssi_signal);
4571                                 break;
4572                         }
4573 #endif /* CONFIG_P2P */
4574 #ifdef CONFIG_IBSS_RSN
4575                         if (wpa_s->current_ssid &&
4576                             wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4577                             stype == WLAN_FC_STYPE_AUTH &&
4578                             data->rx_mgmt.frame_len >= 30) {
4579                                 wpa_supplicant_event_ibss_auth(wpa_s, data);
4580                                 break;
4581                         }
4582 #endif /* CONFIG_IBSS_RSN */
4583
4584                         if (stype == WLAN_FC_STYPE_ACTION) {
4585                                 wpas_event_rx_mgmt_action(
4586                                         wpa_s, data->rx_mgmt.frame,
4587                                         data->rx_mgmt.frame_len,
4588                                         data->rx_mgmt.freq,
4589                                         data->rx_mgmt.ssi_signal);
4590                                 break;
4591                         }
4592
4593                         if (wpa_s->ifmsh) {
4594                                 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4595                                 break;
4596                         }
4597
4598 #ifdef CONFIG_SAE
4599                         if (stype == WLAN_FC_STYPE_AUTH &&
4600                             !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4601                             (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
4602                                 sme_external_auth_mgmt_rx(
4603                                         wpa_s, data->rx_mgmt.frame,
4604                                         data->rx_mgmt.frame_len);
4605                                 break;
4606                         }
4607 #endif /* CONFIG_SAE */
4608                         wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4609                                 "management frame in non-AP mode");
4610                         break;
4611 #ifdef CONFIG_AP
4612                 }
4613
4614                 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4615                     data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4616                         const u8 *ie;
4617                         size_t ie_len;
4618
4619                         ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4620                         ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
4621
4622                         wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4623                                          mgmt->bssid, ie, ie_len,
4624                                          data->rx_mgmt.ssi_signal);
4625                 }
4626
4627                 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
4628 #endif /* CONFIG_AP */
4629                 break;
4630                 }
4631         case EVENT_RX_PROBE_REQ:
4632                 if (data->rx_probe_req.sa == NULL ||
4633                     data->rx_probe_req.ie == NULL)
4634                         break;
4635 #ifdef CONFIG_AP
4636                 if (wpa_s->ap_iface) {
4637                         hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4638                                              data->rx_probe_req.sa,
4639                                              data->rx_probe_req.da,
4640                                              data->rx_probe_req.bssid,
4641                                              data->rx_probe_req.ie,
4642                                              data->rx_probe_req.ie_len,
4643                                              data->rx_probe_req.ssi_signal);
4644                         break;
4645                 }
4646 #endif /* CONFIG_AP */
4647                 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
4648                                       data->rx_probe_req.da,
4649                                       data->rx_probe_req.bssid,
4650                                       data->rx_probe_req.ie,
4651                                       data->rx_probe_req.ie_len,
4652                                       0,
4653                                       data->rx_probe_req.ssi_signal);
4654                 break;
4655         case EVENT_REMAIN_ON_CHANNEL:
4656 #ifdef CONFIG_OFFCHANNEL
4657                 offchannel_remain_on_channel_cb(
4658                         wpa_s, data->remain_on_channel.freq,
4659                         data->remain_on_channel.duration);
4660 #endif /* CONFIG_OFFCHANNEL */
4661                 wpas_p2p_remain_on_channel_cb(
4662                         wpa_s, data->remain_on_channel.freq,
4663                         data->remain_on_channel.duration);
4664                 break;
4665         case EVENT_CANCEL_REMAIN_ON_CHANNEL:
4666 #ifdef CONFIG_OFFCHANNEL
4667                 offchannel_cancel_remain_on_channel_cb(
4668                         wpa_s, data->remain_on_channel.freq);
4669 #endif /* CONFIG_OFFCHANNEL */
4670                 wpas_p2p_cancel_remain_on_channel_cb(
4671                         wpa_s, data->remain_on_channel.freq);
4672 #ifdef CONFIG_DPP
4673                 wpas_dpp_cancel_remain_on_channel_cb(
4674                         wpa_s, data->remain_on_channel.freq);
4675 #endif /* CONFIG_DPP */
4676                 break;
4677         case EVENT_EAPOL_RX:
4678                 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4679                                         data->eapol_rx.data,
4680                                         data->eapol_rx.data_len);
4681                 break;
4682         case EVENT_SIGNAL_CHANGE:
4683                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4684                         "above=%d signal=%d noise=%d txrate=%d",
4685                         data->signal_change.above_threshold,
4686                         data->signal_change.current_signal,
4687                         data->signal_change.current_noise,
4688                         data->signal_change.current_txrate);
4689                 wpa_bss_update_level(wpa_s->current_bss,
4690                                      data->signal_change.current_signal);
4691                 bgscan_notify_signal_change(
4692                         wpa_s, data->signal_change.above_threshold,
4693                         data->signal_change.current_signal,
4694                         data->signal_change.current_noise,
4695                         data->signal_change.current_txrate);
4696                 break;
4697         case EVENT_INTERFACE_MAC_CHANGED:
4698                 wpa_supplicant_update_mac_addr(wpa_s);
4699                 break;
4700         case EVENT_INTERFACE_ENABLED:
4701                 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
4702                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4703                         wpa_supplicant_update_mac_addr(wpa_s);
4704                         if (wpa_s->p2p_mgmt) {
4705                                 wpa_supplicant_set_state(wpa_s,
4706                                                          WPA_DISCONNECTED);
4707                                 break;
4708                         }
4709
4710 #ifdef CONFIG_AP
4711                         if (!wpa_s->ap_iface) {
4712                                 wpa_supplicant_set_state(wpa_s,
4713                                                          WPA_DISCONNECTED);
4714                                 wpa_s->scan_req = NORMAL_SCAN_REQ;
4715                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
4716                         } else
4717                                 wpa_supplicant_set_state(wpa_s,
4718                                                          WPA_COMPLETED);
4719 #else /* CONFIG_AP */
4720                         wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4721                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4722 #endif /* CONFIG_AP */
4723                 }
4724                 break;
4725         case EVENT_INTERFACE_DISABLED:
4726                 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
4727 #ifdef CONFIG_P2P
4728                 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
4729                     (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
4730                      wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
4731                         /*
4732                          * Mark interface disabled if this happens to end up not
4733                          * being removed as a separate P2P group interface.
4734                          */
4735                         wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4736                         /*
4737                          * The interface was externally disabled. Remove
4738                          * it assuming an external entity will start a
4739                          * new session if needed.
4740                          */
4741                         if (wpa_s->current_ssid &&
4742                             wpa_s->current_ssid->p2p_group)
4743                                 wpas_p2p_interface_unavailable(wpa_s);
4744                         else
4745                                 wpas_p2p_disconnect(wpa_s);
4746                         /*
4747                          * wpa_s instance may have been freed, so must not use
4748                          * it here anymore.
4749                          */
4750                         break;
4751                 }
4752                 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
4753                     p2p_in_progress(wpa_s->global->p2p) > 1) {
4754                         /* This radio work will be cancelled, so clear P2P
4755                          * state as well.
4756                          */
4757                         p2p_stop_find(wpa_s->global->p2p);
4758                 }
4759 #endif /* CONFIG_P2P */
4760
4761                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
4762                         /*
4763                          * Indicate disconnection to keep ctrl_iface events
4764                          * consistent.
4765                          */
4766                         wpa_supplicant_event_disassoc(
4767                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4768                 }
4769                 wpa_supplicant_mark_disassoc(wpa_s);
4770                 wpa_bss_flush(wpa_s);
4771                 radio_remove_works(wpa_s, NULL, 0);
4772
4773                 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4774                 break;
4775         case EVENT_CHANNEL_LIST_CHANGED:
4776                 wpa_supplicant_update_channel_list(
4777                         wpa_s, &data->channel_list_changed);
4778                 break;
4779         case EVENT_INTERFACE_UNAVAILABLE:
4780                 wpas_p2p_interface_unavailable(wpa_s);
4781                 break;
4782         case EVENT_BEST_CHANNEL:
4783                 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4784                         "(%d %d %d)",
4785                         data->best_chan.freq_24, data->best_chan.freq_5,
4786                         data->best_chan.freq_overall);
4787                 wpa_s->best_24_freq = data->best_chan.freq_24;
4788                 wpa_s->best_5_freq = data->best_chan.freq_5;
4789                 wpa_s->best_overall_freq = data->best_chan.freq_overall;
4790                 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4791                                               data->best_chan.freq_5,
4792                                               data->best_chan.freq_overall);
4793                 break;
4794         case EVENT_UNPROT_DEAUTH:
4795                 wpa_supplicant_event_unprot_deauth(wpa_s,
4796                                                    &data->unprot_deauth);
4797                 break;
4798         case EVENT_UNPROT_DISASSOC:
4799                 wpa_supplicant_event_unprot_disassoc(wpa_s,
4800                                                      &data->unprot_disassoc);
4801                 break;
4802         case EVENT_STATION_LOW_ACK:
4803 #ifdef CONFIG_AP
4804                 if (wpa_s->ap_iface && data)
4805                         hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4806                                                   data->low_ack.addr);
4807 #endif /* CONFIG_AP */
4808 #ifdef CONFIG_TDLS
4809                 if (data)
4810                         wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4811                                                           data->low_ack.addr);
4812 #endif /* CONFIG_TDLS */
4813                 break;
4814         case EVENT_IBSS_PEER_LOST:
4815 #ifdef CONFIG_IBSS_RSN
4816                 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4817 #endif /* CONFIG_IBSS_RSN */
4818                 break;
4819         case EVENT_DRIVER_GTK_REKEY:
4820                 if (os_memcmp(data->driver_gtk_rekey.bssid,
4821                               wpa_s->bssid, ETH_ALEN))
4822                         break;
4823                 if (!wpa_s->wpa)
4824                         break;
4825                 wpa_sm_update_replay_ctr(wpa_s->wpa,
4826                                          data->driver_gtk_rekey.replay_ctr);
4827                 break;
4828         case EVENT_SCHED_SCAN_STOPPED:
4829                 wpa_s->sched_scanning = 0;
4830                 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
4831                 wpa_supplicant_notify_scanning(wpa_s, 0);
4832
4833                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4834                         break;
4835
4836                 /*
4837                  * If the driver stopped scanning without being requested to,
4838                  * request a new scan to continue scanning for networks.
4839                  */
4840                 if (!wpa_s->sched_scan_stop_req &&
4841                     wpa_s->wpa_state == WPA_SCANNING) {
4842                         wpa_dbg(wpa_s, MSG_DEBUG,
4843                                 "Restart scanning after unexpected sched_scan stop event");
4844                         wpa_supplicant_req_scan(wpa_s, 1, 0);
4845                         break;
4846                 }
4847
4848                 wpa_s->sched_scan_stop_req = 0;
4849
4850                 /*
4851                  * Start a new sched scan to continue searching for more SSIDs
4852                  * either if timed out or PNO schedule scan is pending.
4853                  */
4854                 if (wpa_s->sched_scan_timed_out) {
4855                         wpa_supplicant_req_sched_scan(wpa_s);
4856                 } else if (wpa_s->pno_sched_pending) {
4857                         wpa_s->pno_sched_pending = 0;
4858                         wpas_start_pno(wpa_s);
4859                 } else if (resched) {
4860                         wpa_supplicant_req_scan(wpa_s, 0, 0);
4861                 }
4862
4863                 break;
4864         case EVENT_WPS_BUTTON_PUSHED:
4865 #ifdef CONFIG_WPS
4866                 wpas_wps_start_pbc(wpa_s, NULL, 0, 0);
4867 #endif /* CONFIG_WPS */
4868                 break;
4869         case EVENT_AVOID_FREQUENCIES:
4870                 wpa_supplicant_notify_avoid_freq(wpa_s, data);
4871                 break;
4872         case EVENT_CONNECT_FAILED_REASON:
4873 #ifdef CONFIG_AP
4874                 if (!wpa_s->ap_iface || !data)
4875                         break;
4876                 hostapd_event_connect_failed_reason(
4877                         wpa_s->ap_iface->bss[0],
4878                         data->connect_failed_reason.addr,
4879                         data->connect_failed_reason.code);
4880 #endif /* CONFIG_AP */
4881                 break;
4882         case EVENT_NEW_PEER_CANDIDATE:
4883 #ifdef CONFIG_MESH
4884                 if (!wpa_s->ifmsh || !data)
4885                         break;
4886                 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4887                                      data->mesh_peer.ies,
4888                                      data->mesh_peer.ie_len);
4889 #endif /* CONFIG_MESH */
4890                 break;
4891         case EVENT_SURVEY:
4892 #ifdef CONFIG_AP
4893                 if (!wpa_s->ap_iface)
4894                         break;
4895                 hostapd_event_get_survey(wpa_s->ap_iface,
4896                                          &data->survey_results);
4897 #endif /* CONFIG_AP */
4898                 break;
4899         case EVENT_ACS_CHANNEL_SELECTED:
4900 #ifdef CONFIG_AP
4901 #ifdef CONFIG_ACS
4902                 if (!wpa_s->ap_iface)
4903                         break;
4904                 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4905                                              &data->acs_selected_channels);
4906 #endif /* CONFIG_ACS */
4907 #endif /* CONFIG_AP */
4908                 break;
4909         case EVENT_P2P_LO_STOP:
4910 #ifdef CONFIG_P2P
4911                 wpa_s->p2p_lo_started = 0;
4912                 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4913                         P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4914                         data->p2p_lo_stop.reason_code);
4915 #endif /* CONFIG_P2P */
4916                 break;
4917         case EVENT_BEACON_LOSS:
4918                 if (!wpa_s->current_bss || !wpa_s->current_ssid)
4919                         break;
4920                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
4921                 bgscan_notify_beacon_loss(wpa_s);
4922                 break;
4923         case EVENT_EXTERNAL_AUTH:
4924 #ifdef CONFIG_SAE
4925                 if (!wpa_s->current_ssid) {
4926                         wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
4927                         break;
4928                 }
4929                 sme_external_auth_trigger(wpa_s, data);
4930 #endif /* CONFIG_SAE */
4931                 break;
4932         case EVENT_PORT_AUTHORIZED:
4933                 wpa_supplicant_event_port_authorized(wpa_s);
4934                 break;
4935         case EVENT_STATION_OPMODE_CHANGED:
4936 #ifdef CONFIG_AP
4937                 if (!wpa_s->ap_iface || !data)
4938                         break;
4939
4940                 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
4941                                                  data->sta_opmode.addr,
4942                                                  data->sta_opmode.smps_mode,
4943                                                  data->sta_opmode.chan_width,
4944                                                  data->sta_opmode.rx_nss);
4945 #endif /* CONFIG_AP */
4946                 break;
4947         default:
4948                 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
4949                 break;
4950         }
4951 }
4952
4953
4954 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4955                                  union wpa_event_data *data)
4956 {
4957         struct wpa_supplicant *wpa_s;
4958
4959         if (event != EVENT_INTERFACE_STATUS)
4960                 return;
4961
4962         wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4963         if (wpa_s && wpa_s->driver->get_ifindex) {
4964                 unsigned int ifindex;
4965
4966                 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4967                 if (ifindex != data->interface_status.ifindex) {
4968                         wpa_dbg(wpa_s, MSG_DEBUG,
4969                                 "interface status ifindex %d mismatch (%d)",
4970                                 ifindex, data->interface_status.ifindex);
4971                         return;
4972                 }
4973         }
4974 #ifdef CONFIG_MATCH_IFACE
4975         else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4976                 struct wpa_interface *wpa_i;
4977
4978                 wpa_i = wpa_supplicant_match_iface(
4979                         ctx, data->interface_status.ifname);
4980                 if (!wpa_i)
4981                         return;
4982                 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
4983                 os_free(wpa_i);
4984                 if (wpa_s)
4985                         wpa_s->matched = 1;
4986         }
4987 #endif /* CONFIG_MATCH_IFACE */
4988
4989         if (wpa_s)
4990                 wpa_supplicant_event(wpa_s, event, data);
4991 }