1 /* 2 * WPA Supplicant - Driver event processing 3 * Copyright (c) 2003-2019, Jouni Malinen <j (at) 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 "ap/sta_info.h" 26 #include "p2p/p2p.h" 27 #include "fst/fst.h" 28 #include "wnm_sta.h" 29 #include "notify.h" 30 #include "common/ieee802_11_defs.h" 31 #include "common/ieee802_11_common.h" 32 #include "common/gas_server.h" 33 #include "common/dpp.h" 34 #include "common/ptksa_cache.h" 35 #include "crypto/random.h" 36 #include "bssid_ignore.h" 37 #include "wpas_glue.h" 38 #include "wps_supplicant.h" 39 #include "ibss_rsn.h" 40 #include "sme.h" 41 #include "gas_query.h" 42 #include "p2p_supplicant.h" 43 #include "bgscan.h" 44 #include "autoscan.h" 45 #include "ap.h" 46 #include "bss.h" 47 #include "scan.h" 48 #include "offchannel.h" 49 #include "interworking.h" 50 #include "mesh.h" 51 #include "mesh_mpm.h" 52 #include "wmm_ac.h" 53 #include "nan_usd.h" 54 #include "dpp_supplicant.h" 55 56 57 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5 58 59 60 #ifndef CONFIG_NO_SCAN_PROCESSING 61 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 62 int new_scan, int own_request, 63 bool trigger_6ghz_scan, 64 union wpa_event_data *data); 65 #endif /* CONFIG_NO_SCAN_PROCESSING */ 66 67 68 int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) 69 { 70 struct os_reltime now; 71 72 if (ssid == NULL || ssid->disabled_until.sec == 0) 73 return 0; 74 75 os_get_reltime(&now); 76 if (ssid->disabled_until.sec > now.sec) 77 return ssid->disabled_until.sec - now.sec; 78 79 wpas_clear_temp_disabled(wpa_s, ssid, 0); 80 81 return 0; 82 } 83 84 85 #ifndef CONFIG_NO_SCAN_PROCESSING 86 /** 87 * wpas_reenabled_network_time - Time until first network is re-enabled 88 * @wpa_s: Pointer to wpa_supplicant data 89 * Returns: If all enabled networks are temporarily disabled, returns the time 90 * (in sec) until the first network is re-enabled. Otherwise returns 0. 91 * 92 * This function is used in case all enabled networks are temporarily disabled, 93 * in which case it returns the time (in sec) that the first network will be 94 * re-enabled. The function assumes that at least one network is enabled. 95 */ 96 static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s) 97 { 98 struct wpa_ssid *ssid; 99 int disabled_for, res = 0; 100 101 #ifdef CONFIG_INTERWORKING 102 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking && 103 wpa_s->conf->cred) 104 return 0; 105 #endif /* CONFIG_INTERWORKING */ 106 107 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 108 if (ssid->disabled) 109 continue; 110 111 disabled_for = wpas_temp_disabled(wpa_s, ssid); 112 if (!disabled_for) 113 return 0; 114 115 if (!res || disabled_for < res) 116 res = disabled_for; 117 } 118 119 return res; 120 } 121 #endif /* CONFIG_NO_SCAN_PROCESSING */ 122 123 124 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx) 125 { 126 struct wpa_supplicant *wpa_s = eloop_ctx; 127 128 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING) 129 return; 130 131 wpa_dbg(wpa_s, MSG_DEBUG, 132 "Try to associate due to network getting re-enabled"); 133 if (wpa_supplicant_fast_associate(wpa_s) != 1) { 134 wpa_supplicant_cancel_sched_scan(wpa_s); 135 wpa_supplicant_req_scan(wpa_s, 0, 0); 136 } 137 } 138 139 140 static struct wpa_bss * __wpa_supplicant_get_new_bss( 141 struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid, 142 size_t ssid_len) 143 { 144 if (ssid && ssid_len > 0) 145 return wpa_bss_get(wpa_s, bssid, ssid, ssid_len); 146 else 147 return wpa_bss_get_bssid(wpa_s, bssid); 148 } 149 150 151 static struct wpa_bss * _wpa_supplicant_get_new_bss( 152 struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid, 153 size_t ssid_len, bool try_update_scan_results) 154 { 155 struct wpa_bss *bss = __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid, 156 ssid_len); 157 158 if (bss || !try_update_scan_results) 159 return bss; 160 161 wpa_supplicant_update_scan_results(wpa_s, bssid); 162 163 return __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid, ssid_len); 164 } 165 166 167 static struct wpa_bss * wpa_supplicant_get_new_bss( 168 struct wpa_supplicant *wpa_s, const u8 *bssid) 169 { 170 struct wpa_bss *bss = NULL; 171 struct wpa_ssid *ssid = wpa_s->current_ssid; 172 u8 drv_ssid[SSID_MAX_LEN]; 173 int res; 174 bool try_update_scan_results = true; 175 176 res = wpa_drv_get_ssid(wpa_s, drv_ssid); 177 if (res > 0) { 178 bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, drv_ssid, res, 179 try_update_scan_results); 180 try_update_scan_results = false; 181 } 182 if (!bss && ssid && ssid->ssid_len > 0) { 183 bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, ssid->ssid, 184 ssid->ssid_len, 185 try_update_scan_results); 186 try_update_scan_results = false; 187 } 188 if (!bss) 189 bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, NULL, 0, 190 try_update_scan_results); 191 192 return bss; 193 } 194 195 196 static struct wpa_bss * 197 wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s, const u8 *bssid) 198 { 199 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 200 201 if (bss) 202 wpa_s->current_bss = bss; 203 204 return bss; 205 } 206 207 208 static void wpa_supplicant_update_link_bss(struct wpa_supplicant *wpa_s, 209 u8 link_id, const u8 *bssid) 210 { 211 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 212 213 if (bss) 214 wpa_s->links[link_id].bss = bss; 215 } 216 217 218 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s, 219 union wpa_event_data *data) 220 { 221 struct wpa_ssid *ssid, *old_ssid; 222 struct wpa_bss *bss; 223 u8 drv_ssid[SSID_MAX_LEN]; 224 size_t drv_ssid_len; 225 int res; 226 227 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) { 228 wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid); 229 230 if (wpa_s->current_ssid->ssid_len == 0) 231 return 0; /* current profile still in use */ 232 res = wpa_drv_get_ssid(wpa_s, drv_ssid); 233 if (res < 0) { 234 wpa_msg(wpa_s, MSG_INFO, 235 "Failed to read SSID from driver"); 236 return 0; /* try to use current profile */ 237 } 238 drv_ssid_len = res; 239 240 if (drv_ssid_len == wpa_s->current_ssid->ssid_len && 241 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid, 242 drv_ssid_len) == 0) 243 return 0; /* current profile still in use */ 244 245 #ifdef CONFIG_OWE 246 if ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_OWE) && 247 wpa_s->current_bss && 248 (wpa_s->current_bss->flags & WPA_BSS_OWE_TRANSITION) && 249 drv_ssid_len == wpa_s->current_bss->ssid_len && 250 os_memcmp(drv_ssid, wpa_s->current_bss->ssid, 251 drv_ssid_len) == 0) 252 return 0; /* current profile still in use */ 253 #endif /* CONFIG_OWE */ 254 255 wpa_msg(wpa_s, MSG_DEBUG, 256 "Driver-initiated BSS selection changed the SSID to %s", 257 wpa_ssid_txt(drv_ssid, drv_ssid_len)); 258 /* continue selecting a new network profile */ 259 } 260 261 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " 262 "information"); 263 ssid = wpa_supplicant_get_ssid(wpa_s); 264 if (ssid == NULL) { 265 wpa_msg(wpa_s, MSG_INFO, 266 "No network configuration found for the current AP"); 267 return -1; 268 } 269 270 if (wpas_network_disabled(wpa_s, ssid)) { 271 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); 272 return -1; 273 } 274 275 if (disallowed_bssid(wpa_s, wpa_s->bssid) || 276 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { 277 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); 278 return -1; 279 } 280 281 res = wpas_temp_disabled(wpa_s, ssid); 282 if (res > 0) { 283 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " 284 "disabled for %d second(s)", res); 285 return -1; 286 } 287 288 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " 289 "current AP"); 290 bss = wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid); 291 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { 292 u8 wpa_ie[80]; 293 size_t wpa_ie_len = sizeof(wpa_ie); 294 bool skip_default_rsne; 295 296 /* Do not override RSNE/RSNXE with the default values if the 297 * driver indicated the actual values used in the 298 * (Re)Association Request frame. */ 299 skip_default_rsne = data && data->assoc_info.req_ies; 300 if (wpa_supplicant_set_suites(wpa_s, bss, ssid, 301 wpa_ie, &wpa_ie_len, 302 skip_default_rsne) < 0) 303 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); 304 } else { 305 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); 306 } 307 308 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) 309 eapol_sm_invalidate_cached_session(wpa_s->eapol); 310 old_ssid = wpa_s->current_ssid; 311 wpa_s->current_ssid = ssid; 312 313 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); 314 wpa_supplicant_initiate_eapol(wpa_s); 315 if (old_ssid != wpa_s->current_ssid) 316 wpas_notify_network_changed(wpa_s); 317 318 return 0; 319 } 320 321 322 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) 323 { 324 struct wpa_supplicant *wpa_s = eloop_ctx; 325 326 if (wpa_s->countermeasures) { 327 wpa_s->countermeasures = 0; 328 wpa_drv_set_countermeasures(wpa_s, 0); 329 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); 330 331 /* 332 * It is possible that the device is sched scanning, which means 333 * that a connection attempt will be done only when we receive 334 * scan results. However, in this case, it would be preferable 335 * to scan and connect immediately, so cancel the sched_scan and 336 * issue a regular scan flow. 337 */ 338 wpa_supplicant_cancel_sched_scan(wpa_s); 339 wpa_supplicant_req_scan(wpa_s, 0, 0); 340 } 341 } 342 343 344 void wpas_reset_mlo_info(struct wpa_supplicant *wpa_s) 345 { 346 if (!wpa_s->valid_links) 347 return; 348 349 wpa_s->valid_links = 0; 350 wpa_s->mlo_assoc_link_id = 0; 351 os_memset(wpa_s->ap_mld_addr, 0, ETH_ALEN); 352 os_memset(wpa_s->links, 0, sizeof(wpa_s->links)); 353 } 354 355 356 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) 357 { 358 int bssid_changed; 359 360 wnm_bss_keep_alive_deinit(wpa_s); 361 362 #ifdef CONFIG_IBSS_RSN 363 ibss_rsn_deinit(wpa_s->ibss_rsn); 364 wpa_s->ibss_rsn = NULL; 365 #endif /* CONFIG_IBSS_RSN */ 366 367 #ifdef CONFIG_AP 368 wpa_supplicant_ap_deinit(wpa_s); 369 #endif /* CONFIG_AP */ 370 371 #ifdef CONFIG_HS20 372 /* Clear possibly configured frame filters */ 373 wpa_drv_configure_frame_filters(wpa_s, 0); 374 #endif /* CONFIG_HS20 */ 375 376 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 377 return; 378 379 if (os_reltime_initialized(&wpa_s->session_start)) { 380 os_reltime_age(&wpa_s->session_start, &wpa_s->session_length); 381 wpa_s->session_start.sec = 0; 382 wpa_s->session_start.usec = 0; 383 wpas_notify_session_length(wpa_s); 384 } 385 386 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 387 bssid_changed = !is_zero_ether_addr(wpa_s->bssid); 388 os_memset(wpa_s->bssid, 0, ETH_ALEN); 389 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 390 sme_clear_on_disassoc(wpa_s); 391 wpa_s->current_bss = NULL; 392 wpa_s->assoc_freq = 0; 393 394 if (bssid_changed) 395 wpas_notify_bssid_changed(wpa_s); 396 397 eapol_sm_notify_portEnabled(wpa_s->eapol, false); 398 eapol_sm_notify_portValid(wpa_s->eapol, false); 399 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 400 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || 401 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port) 402 eapol_sm_notify_eap_success(wpa_s->eapol, false); 403 wpa_s->drv_authorized_port = 0; 404 wpa_s->ap_ies_from_associnfo = 0; 405 wpa_s->current_ssid = NULL; 406 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 407 wpa_s->key_mgmt = 0; 408 wpa_s->allowed_key_mgmts = 0; 409 410 #ifndef CONFIG_NO_RRM 411 wpas_rrm_reset(wpa_s); 412 #endif /* CONFIG_NO_RRM */ 413 wpa_s->wnmsleep_used = 0; 414 #ifdef CONFIG_WNM 415 wpa_s->wnm_mode = 0; 416 #endif /* CONFIG_WNM */ 417 wnm_clear_coloc_intf_reporting(wpa_s); 418 wpa_s->disable_mbo_oce = 0; 419 420 #ifdef CONFIG_TESTING_OPTIONS 421 wpa_s->last_tk_alg = WPA_ALG_NONE; 422 os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk)); 423 #endif /* CONFIG_TESTING_OPTIONS */ 424 wpa_s->ieee80211ac = 0; 425 426 if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0) 427 wpa_s->enabled_4addr_mode = 0; 428 429 wpa_s->wps_scan_done = false; 430 wpas_reset_mlo_info(wpa_s); 431 432 #ifdef CONFIG_SME 433 wpa_s->sme.bss_max_idle_period = 0; 434 #endif /* CONFIG_SME */ 435 436 wpa_s->ssid_verified = false; 437 wpa_s->bigtk_set = false; 438 } 439 440 441 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s, bool authorized) 442 { 443 struct wpa_ie_data ie; 444 int pmksa_set = -1; 445 size_t i; 446 struct rsn_pmksa_cache_entry *cur_pmksa; 447 448 /* Start with assumption of no PMKSA cache entry match for cases other 449 * than SAE. In particular, this is needed to generate the PMKSA cache 450 * entries for Suite B cases with driver-based roaming indication. */ 451 cur_pmksa = pmksa_cache_get_current(wpa_s->wpa); 452 if (cur_pmksa && !wpa_key_mgmt_sae(cur_pmksa->akmp)) 453 pmksa_cache_clear_current(wpa_s->wpa); 454 455 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || 456 ie.pmkid == NULL) 457 return; 458 459 for (i = 0; i < ie.num_pmkid; i++) { 460 pmksa_set = pmksa_cache_set_current(wpa_s->wpa, 461 ie.pmkid + i * PMKID_LEN, 462 NULL, NULL, 0, NULL, 0, 463 true); 464 if (pmksa_set == 0) { 465 eapol_sm_notify_pmkid_attempt(wpa_s->eapol); 466 if (authorized) 467 wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); 468 break; 469 } 470 } 471 472 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " 473 "PMKSA cache", pmksa_set == 0 ? "" : "not "); 474 } 475 476 477 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, 478 union wpa_event_data *data) 479 { 480 if (data == NULL) { 481 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " 482 "event"); 483 return; 484 } 485 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR 486 " index=%d preauth=%d", 487 MAC2STR(data->pmkid_candidate.bssid), 488 data->pmkid_candidate.index, 489 data->pmkid_candidate.preauth); 490 491 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, 492 data->pmkid_candidate.index, 493 data->pmkid_candidate.preauth); 494 } 495 496 497 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) 498 { 499 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 500 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) 501 return 0; 502 503 #ifdef IEEE8021X_EAPOL 504 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && 505 wpa_s->current_ssid && 506 !(wpa_s->current_ssid->eapol_flags & 507 (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 508 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { 509 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either 510 * plaintext or static WEP keys). */ 511 return 0; 512 } 513 #endif /* IEEE8021X_EAPOL */ 514 515 return 1; 516 } 517 518 519 /** 520 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC 521 * @wpa_s: pointer to wpa_supplicant data 522 * @ssid: Configuration data for the network 523 * Returns: 0 on success, -1 on failure 524 * 525 * This function is called when starting authentication with a network that is 526 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). 527 */ 528 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, 529 struct wpa_ssid *ssid) 530 { 531 #ifdef IEEE8021X_EAPOL 532 #ifdef PCSC_FUNCS 533 int aka = 0, sim = 0; 534 535 if ((ssid != NULL && ssid->eap.pcsc == NULL) || 536 wpa_s->scard != NULL || wpa_s->conf->external_sim) 537 return 0; 538 539 if (ssid == NULL || ssid->eap.eap_methods == NULL) { 540 sim = 1; 541 aka = 1; 542 } else { 543 struct eap_method_type *eap = ssid->eap.eap_methods; 544 while (eap->vendor != EAP_VENDOR_IETF || 545 eap->method != EAP_TYPE_NONE) { 546 if (eap->vendor == EAP_VENDOR_IETF) { 547 if (eap->method == EAP_TYPE_SIM) 548 sim = 1; 549 else if (eap->method == EAP_TYPE_AKA || 550 eap->method == EAP_TYPE_AKA_PRIME) 551 aka = 1; 552 } 553 eap++; 554 } 555 } 556 557 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) 558 sim = 0; 559 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && 560 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == 561 NULL) 562 aka = 0; 563 564 if (!sim && !aka) { 565 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " 566 "use SIM, but neither EAP-SIM nor EAP-AKA are " 567 "enabled"); 568 return 0; 569 } 570 571 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " 572 "(sim=%d aka=%d) - initialize PCSC", sim, aka); 573 574 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); 575 if (wpa_s->scard == NULL) { 576 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " 577 "(pcsc-lite)"); 578 return -1; 579 } 580 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); 581 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); 582 #endif /* PCSC_FUNCS */ 583 #endif /* IEEE8021X_EAPOL */ 584 585 return 0; 586 } 587 588 589 #ifndef CONFIG_NO_SCAN_PROCESSING 590 591 #ifdef CONFIG_WEP 592 static int has_wep_key(struct wpa_ssid *ssid) 593 { 594 int i; 595 596 for (i = 0; i < NUM_WEP_KEYS; i++) { 597 if (ssid->wep_key_len[i]) 598 return 1; 599 } 600 601 return 0; 602 } 603 #endif /* CONFIG_WEP */ 604 605 606 static int wpa_supplicant_match_privacy(struct wpa_bss *bss, 607 struct wpa_ssid *ssid) 608 { 609 int privacy = 0; 610 611 if (ssid->mixed_cell) 612 return 1; 613 614 #ifdef CONFIG_WPS 615 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) 616 return 1; 617 #endif /* CONFIG_WPS */ 618 619 #ifdef CONFIG_OWE 620 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only) 621 return 1; 622 #endif /* CONFIG_OWE */ 623 624 #ifdef CONFIG_WEP 625 if (has_wep_key(ssid)) 626 privacy = 1; 627 #endif /* CONFIG_WEP */ 628 629 #ifdef IEEE8021X_EAPOL 630 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 631 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 632 EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) 633 privacy = 1; 634 #endif /* IEEE8021X_EAPOL */ 635 636 if (wpa_key_mgmt_wpa(ssid->key_mgmt)) 637 privacy = 1; 638 639 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) 640 privacy = 1; 641 642 if (bss->caps & IEEE80211_CAP_PRIVACY) 643 return privacy; 644 return !privacy; 645 } 646 647 648 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, 649 struct wpa_ssid *ssid, 650 struct wpa_bss *bss, int debug_print) 651 { 652 struct wpa_ie_data ie; 653 int proto_match = 0; 654 const u8 *rsn_ie, *wpa_ie; 655 int ret; 656 #ifdef CONFIG_WEP 657 int wep_ok; 658 #endif /* CONFIG_WEP */ 659 bool is_6ghz_bss = is_6ghz_freq(bss->freq); 660 661 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); 662 if (ret >= 0) 663 return ret; 664 665 #ifdef CONFIG_WEP 666 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ 667 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && 668 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 669 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || 670 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); 671 #endif /* CONFIG_WEP */ 672 673 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 674 if (is_6ghz_bss && !rsn_ie) { 675 if (debug_print) 676 wpa_dbg(wpa_s, MSG_DEBUG, 677 " skip - 6 GHz BSS without RSNE"); 678 return 0; 679 } 680 681 while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) { 682 proto_match++; 683 684 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { 685 if (debug_print) 686 wpa_dbg(wpa_s, MSG_DEBUG, 687 " skip RSN IE - parse failed"); 688 break; 689 } 690 if (!ie.has_pairwise) 691 ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq); 692 if (!ie.has_group) 693 ie.group_cipher = wpa_default_rsn_cipher(bss->freq); 694 695 if (is_6ghz_bss || !is_zero_ether_addr(bss->mld_addr)) { 696 /* WEP and TKIP are not allowed on 6 GHz/MLD */ 697 ie.pairwise_cipher &= ~(WPA_CIPHER_WEP40 | 698 WPA_CIPHER_WEP104 | 699 WPA_CIPHER_TKIP); 700 ie.group_cipher &= ~(WPA_CIPHER_WEP40 | 701 WPA_CIPHER_WEP104 | 702 WPA_CIPHER_TKIP); 703 } 704 705 #ifdef CONFIG_WEP 706 if (wep_ok && 707 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 708 { 709 if (debug_print) 710 wpa_dbg(wpa_s, MSG_DEBUG, 711 " selected based on TSN in RSN IE"); 712 return 1; 713 } 714 #endif /* CONFIG_WEP */ 715 716 if (!(ie.proto & ssid->proto) && 717 !(ssid->proto & WPA_PROTO_OSEN)) { 718 if (debug_print) 719 wpa_dbg(wpa_s, MSG_DEBUG, 720 " skip RSN IE - proto mismatch"); 721 break; 722 } 723 724 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 725 if (debug_print) 726 wpa_dbg(wpa_s, MSG_DEBUG, 727 " skip RSN IE - PTK cipher mismatch"); 728 break; 729 } 730 731 if (!(ie.group_cipher & ssid->group_cipher)) { 732 if (debug_print) 733 wpa_dbg(wpa_s, MSG_DEBUG, 734 " skip RSN IE - GTK cipher mismatch"); 735 break; 736 } 737 738 if (ssid->group_mgmt_cipher && 739 !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) { 740 if (debug_print) 741 wpa_dbg(wpa_s, MSG_DEBUG, 742 " skip RSN IE - group mgmt cipher mismatch"); 743 break; 744 } 745 746 if (is_6ghz_bss) { 747 /* MFPC must be supported on 6 GHz */ 748 if (!(ie.capabilities & WPA_CAPABILITY_MFPC)) { 749 if (debug_print) 750 wpa_dbg(wpa_s, MSG_DEBUG, 751 " skip RSNE - 6 GHz without MFPC"); 752 break; 753 } 754 755 /* WPA PSK is not allowed on the 6 GHz band */ 756 ie.key_mgmt &= ~(WPA_KEY_MGMT_PSK | 757 WPA_KEY_MGMT_FT_PSK | 758 WPA_KEY_MGMT_PSK_SHA256); 759 } 760 761 if (!(ie.key_mgmt & ssid->key_mgmt)) { 762 if (debug_print) 763 wpa_dbg(wpa_s, MSG_DEBUG, 764 " skip RSN IE - key mgmt mismatch"); 765 break; 766 } 767 768 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 769 wpas_get_ssid_pmf(wpa_s, ssid) == 770 MGMT_FRAME_PROTECTION_REQUIRED) { 771 if (debug_print) 772 wpa_dbg(wpa_s, MSG_DEBUG, 773 " skip RSN IE - no mgmt frame protection"); 774 break; 775 } 776 if ((ie.capabilities & WPA_CAPABILITY_MFPR) && 777 wpas_get_ssid_pmf(wpa_s, ssid) == 778 NO_MGMT_FRAME_PROTECTION) { 779 if (debug_print) 780 wpa_dbg(wpa_s, MSG_DEBUG, 781 " skip RSN IE - no mgmt frame protection enabled but AP requires it"); 782 break; 783 } 784 785 if (debug_print) 786 wpa_dbg(wpa_s, MSG_DEBUG, 787 " selected based on RSN IE"); 788 return 1; 789 } 790 791 if (is_6ghz_bss) { 792 if (debug_print) 793 wpa_dbg(wpa_s, MSG_DEBUG, 794 " skip - 6 GHz BSS without matching RSNE"); 795 return 0; 796 } 797 798 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 799 800 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED && 801 (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) { 802 #ifdef CONFIG_OWE 803 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && ssid->owe_only && 804 !wpa_ie && !rsn_ie && 805 wpa_s->owe_transition_select && 806 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) && 807 ssid->owe_transition_bss_select_count + 1 <= 808 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) { 809 ssid->owe_transition_bss_select_count++; 810 if (debug_print) 811 wpa_dbg(wpa_s, MSG_DEBUG, 812 " skip OWE open BSS (selection count %d does not exceed %d)", 813 ssid->owe_transition_bss_select_count, 814 MAX_OWE_TRANSITION_BSS_SELECT_COUNT); 815 wpa_s->owe_transition_search = 1; 816 return 0; 817 } 818 #endif /* CONFIG_OWE */ 819 if (debug_print) 820 wpa_dbg(wpa_s, MSG_DEBUG, 821 " skip - MFP Required but network not MFP Capable"); 822 return 0; 823 } 824 825 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { 826 proto_match++; 827 828 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { 829 if (debug_print) 830 wpa_dbg(wpa_s, MSG_DEBUG, 831 " skip WPA IE - parse failed"); 832 break; 833 } 834 835 #ifdef CONFIG_WEP 836 if (wep_ok && 837 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 838 { 839 if (debug_print) 840 wpa_dbg(wpa_s, MSG_DEBUG, 841 " selected based on TSN in WPA IE"); 842 return 1; 843 } 844 #endif /* CONFIG_WEP */ 845 846 if (!(ie.proto & ssid->proto)) { 847 if (debug_print) 848 wpa_dbg(wpa_s, MSG_DEBUG, 849 " skip WPA IE - proto mismatch"); 850 break; 851 } 852 853 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 854 if (debug_print) 855 wpa_dbg(wpa_s, MSG_DEBUG, 856 " skip WPA IE - PTK cipher mismatch"); 857 break; 858 } 859 860 if (!(ie.group_cipher & ssid->group_cipher)) { 861 if (debug_print) 862 wpa_dbg(wpa_s, MSG_DEBUG, 863 " skip WPA IE - GTK cipher mismatch"); 864 break; 865 } 866 867 if (!(ie.key_mgmt & ssid->key_mgmt)) { 868 if (debug_print) 869 wpa_dbg(wpa_s, MSG_DEBUG, 870 " skip WPA IE - key mgmt mismatch"); 871 break; 872 } 873 874 if (debug_print) 875 wpa_dbg(wpa_s, MSG_DEBUG, 876 " selected based on WPA IE"); 877 return 1; 878 } 879 880 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && 881 !rsn_ie) { 882 if (debug_print) 883 wpa_dbg(wpa_s, MSG_DEBUG, 884 " allow for non-WPA IEEE 802.1X"); 885 return 1; 886 } 887 888 #ifdef CONFIG_OWE 889 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only && 890 !wpa_ie && !rsn_ie) { 891 if (wpa_s->owe_transition_select && 892 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) && 893 ssid->owe_transition_bss_select_count + 1 <= 894 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) { 895 ssid->owe_transition_bss_select_count++; 896 if (debug_print) 897 wpa_dbg(wpa_s, MSG_DEBUG, 898 " skip OWE transition BSS (selection count %d does not exceed %d)", 899 ssid->owe_transition_bss_select_count, 900 MAX_OWE_TRANSITION_BSS_SELECT_COUNT); 901 wpa_s->owe_transition_search = 1; 902 return 0; 903 } 904 if (debug_print) 905 wpa_dbg(wpa_s, MSG_DEBUG, 906 " allow in OWE transition mode"); 907 return 1; 908 } 909 #endif /* CONFIG_OWE */ 910 911 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && 912 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { 913 if (debug_print) 914 wpa_dbg(wpa_s, MSG_DEBUG, 915 " skip - no WPA/RSN proto match"); 916 return 0; 917 } 918 919 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && 920 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) { 921 if (debug_print) 922 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN"); 923 return 1; 924 } 925 926 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { 927 if (debug_print) 928 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); 929 return 1; 930 } 931 932 if (debug_print) 933 wpa_dbg(wpa_s, MSG_DEBUG, 934 " reject due to mismatch with WPA/WPA2"); 935 936 return 0; 937 } 938 939 940 static int freq_allowed(int *freqs, int freq) 941 { 942 int i; 943 944 if (freqs == NULL) 945 return 1; 946 947 for (i = 0; freqs[i]; i++) 948 if (freqs[i] == freq) 949 return 1; 950 return 0; 951 } 952 953 954 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 955 struct wpa_bss *bss, int debug_print) 956 { 957 const struct hostapd_hw_modes *mode = NULL, *modes; 958 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; 959 const u8 *rate_ie; 960 int i, j, k; 961 962 if (bss->freq == 0) 963 return 1; /* Cannot do matching without knowing band */ 964 965 modes = wpa_s->hw.modes; 966 if (modes == NULL) { 967 /* 968 * The driver does not provide any additional information 969 * about the utilized hardware, so allow the connection attempt 970 * to continue. 971 */ 972 return 1; 973 } 974 975 for (i = 0; i < wpa_s->hw.num_modes; i++) { 976 for (j = 0; j < modes[i].num_channels; j++) { 977 int freq = modes[i].channels[j].freq; 978 if (freq == bss->freq) { 979 if (mode && 980 mode->mode == HOSTAPD_MODE_IEEE80211G) 981 break; /* do not allow 802.11b replace 982 * 802.11g */ 983 mode = &modes[i]; 984 break; 985 } 986 } 987 } 988 989 if (mode == NULL) 990 return 0; 991 992 for (i = 0; i < (int) sizeof(scan_ie); i++) { 993 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); 994 if (rate_ie == NULL) 995 continue; 996 997 for (j = 2; j < rate_ie[1] + 2; j++) { 998 int flagged = !!(rate_ie[j] & 0x80); 999 int r = (rate_ie[j] & 0x7f) * 5; 1000 1001 /* 1002 * IEEE Std 802.11n-2009 7.3.2.2: 1003 * The new BSS Membership selector value is encoded 1004 * like a legacy basic rate, but it is not a rate and 1005 * only indicates if the BSS members are required to 1006 * support the mandatory features of Clause 20 [HT PHY] 1007 * in order to join the BSS. 1008 */ 1009 if (flagged && ((rate_ie[j] & 0x7f) == 1010 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { 1011 if (!ht_supported(mode)) { 1012 if (debug_print) 1013 wpa_dbg(wpa_s, MSG_DEBUG, 1014 " hardware does not support HT PHY"); 1015 return 0; 1016 } 1017 continue; 1018 } 1019 1020 /* There's also a VHT selector for 802.11ac */ 1021 if (flagged && ((rate_ie[j] & 0x7f) == 1022 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) { 1023 if (!vht_supported(mode)) { 1024 if (debug_print) 1025 wpa_dbg(wpa_s, MSG_DEBUG, 1026 " hardware does not support VHT PHY"); 1027 return 0; 1028 } 1029 continue; 1030 } 1031 1032 if (flagged && ((rate_ie[j] & 0x7f) == 1033 BSS_MEMBERSHIP_SELECTOR_HE_PHY)) { 1034 if (!he_supported(mode, IEEE80211_MODE_INFRA)) { 1035 if (debug_print) 1036 wpa_dbg(wpa_s, MSG_DEBUG, 1037 " hardware does not support HE PHY"); 1038 return 0; 1039 } 1040 continue; 1041 } 1042 1043 #ifdef CONFIG_SAE 1044 if (flagged && ((rate_ie[j] & 0x7f) == 1045 BSS_MEMBERSHIP_SELECTOR_SAE_H2E_ONLY)) { 1046 if (wpa_s->conf->sae_pwe == 1047 SAE_PWE_HUNT_AND_PECK && 1048 !ssid->sae_password_id && 1049 !is_6ghz_freq(bss->freq) && 1050 wpa_key_mgmt_sae(ssid->key_mgmt)) { 1051 if (debug_print) 1052 wpa_dbg(wpa_s, MSG_DEBUG, 1053 " SAE H2E disabled"); 1054 #ifdef CONFIG_TESTING_OPTIONS 1055 if (wpa_s->ignore_sae_h2e_only) { 1056 wpa_dbg(wpa_s, MSG_DEBUG, 1057 "TESTING: Ignore SAE H2E requirement mismatch"); 1058 continue; 1059 } 1060 #endif /* CONFIG_TESTING_OPTIONS */ 1061 return 0; 1062 } 1063 continue; 1064 } 1065 #endif /* CONFIG_SAE */ 1066 1067 if (!flagged) 1068 continue; 1069 1070 /* check for legacy basic rates */ 1071 for (k = 0; k < mode->num_rates; k++) { 1072 if (mode->rates[k] == r) 1073 break; 1074 } 1075 if (k == mode->num_rates) { 1076 /* 1077 * IEEE Std 802.11-2007 7.3.2.2 demands that in 1078 * order to join a BSS all required rates 1079 * have to be supported by the hardware. 1080 */ 1081 if (debug_print) 1082 wpa_dbg(wpa_s, MSG_DEBUG, 1083 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)", 1084 r / 10, r % 10, 1085 bss->freq, mode->mode, mode->num_rates); 1086 return 0; 1087 } 1088 } 1089 } 1090 1091 return 1; 1092 } 1093 1094 1095 /* 1096 * Test whether BSS is in an ESS. 1097 * This is done differently in DMG (60 GHz) and non-DMG bands 1098 */ 1099 static int bss_is_ess(struct wpa_bss *bss) 1100 { 1101 if (bss_is_dmg(bss)) { 1102 return (bss->caps & IEEE80211_CAP_DMG_MASK) == 1103 IEEE80211_CAP_DMG_AP; 1104 } 1105 1106 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == 1107 IEEE80211_CAP_ESS); 1108 } 1109 1110 1111 static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask) 1112 { 1113 size_t i; 1114 1115 for (i = 0; i < ETH_ALEN; i++) { 1116 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i])) 1117 return 0; 1118 } 1119 return 1; 1120 } 1121 1122 1123 static int addr_in_list(const u8 *addr, const u8 *list, size_t num) 1124 { 1125 size_t i; 1126 1127 for (i = 0; i < num; i++) { 1128 const u8 *a = list + i * ETH_ALEN * 2; 1129 const u8 *m = a + ETH_ALEN; 1130 1131 if (match_mac_mask(a, addr, m)) 1132 return 1; 1133 } 1134 return 0; 1135 } 1136 1137 1138 static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 1139 const u8 **ret_ssid, size_t *ret_ssid_len) 1140 { 1141 #ifdef CONFIG_OWE 1142 const u8 *owe, *pos, *end, *bssid; 1143 u8 ssid_len; 1144 1145 owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE); 1146 if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN)) 1147 return; 1148 1149 pos = owe + 6; 1150 end = owe + 2 + owe[1]; 1151 1152 if (end - pos < ETH_ALEN + 1) 1153 return; 1154 bssid = pos; 1155 pos += ETH_ALEN; 1156 ssid_len = *pos++; 1157 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) 1158 return; 1159 1160 /* Match the profile SSID against the OWE transition mode SSID on the 1161 * open network. */ 1162 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR 1163 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len)); 1164 *ret_ssid = pos; 1165 *ret_ssid_len = ssid_len; 1166 1167 if (!(bss->flags & WPA_BSS_OWE_TRANSITION)) { 1168 struct wpa_ssid *ssid; 1169 1170 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1171 if (wpas_network_disabled(wpa_s, ssid)) 1172 continue; 1173 if (ssid->ssid_len == ssid_len && 1174 os_memcmp(ssid->ssid, pos, ssid_len) == 0) { 1175 /* OWE BSS in transition mode for a currently 1176 * enabled OWE network. */ 1177 wpa_dbg(wpa_s, MSG_DEBUG, 1178 "OWE: transition mode OWE SSID for active OWE profile"); 1179 bss->flags |= WPA_BSS_OWE_TRANSITION; 1180 break; 1181 } 1182 } 1183 } 1184 #endif /* CONFIG_OWE */ 1185 } 1186 1187 1188 static bool wpas_valid_ml_bss(struct wpa_supplicant *wpa_s, struct wpa_bss *bss) 1189 { 1190 u16 removed_links; 1191 1192 if (wpa_bss_parse_basic_ml_element(wpa_s, bss, NULL, NULL, NULL, NULL)) 1193 return true; 1194 1195 if (!bss->valid_links) 1196 return true; 1197 1198 /* Check if the current BSS is going to be removed */ 1199 removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, bss); 1200 if (BIT(bss->mld_link_id) & removed_links) 1201 return false; 1202 1203 return true; 1204 } 1205 1206 1207 int disabled_freq(struct wpa_supplicant *wpa_s, int freq) 1208 { 1209 int i, j; 1210 1211 if (!wpa_s->hw.modes || !wpa_s->hw.num_modes) 1212 return 0; 1213 1214 for (j = 0; j < wpa_s->hw.num_modes; j++) { 1215 struct hostapd_hw_modes *mode = &wpa_s->hw.modes[j]; 1216 1217 for (i = 0; i < mode->num_channels; i++) { 1218 struct hostapd_channel_data *chan = &mode->channels[i]; 1219 1220 if (chan->freq == freq) 1221 return !!(chan->flag & HOSTAPD_CHAN_DISABLED); 1222 } 1223 } 1224 1225 return 1; 1226 } 1227 1228 1229 static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 1230 const u8 *match_ssid, size_t match_ssid_len, 1231 struct wpa_bss *bss, int bssid_ignore_count, 1232 bool debug_print); 1233 1234 1235 #ifdef CONFIG_SAE_PK 1236 static bool sae_pk_acceptable_bss_with_pk(struct wpa_supplicant *wpa_s, 1237 struct wpa_bss *orig_bss, 1238 struct wpa_ssid *ssid, 1239 const u8 *match_ssid, 1240 size_t match_ssid_len) 1241 { 1242 struct wpa_bss *bss; 1243 1244 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1245 int count; 1246 const u8 *ie; 1247 1248 if (bss == orig_bss) 1249 continue; 1250 ie = wpa_bss_get_ie(bss, WLAN_EID_RSNX); 1251 if (!(ieee802_11_rsnx_capab(ie, WLAN_RSNX_CAPAB_SAE_PK))) 1252 continue; 1253 1254 /* TODO: Could be more thorough in checking what kind of 1255 * signal strength or throughput estimate would be acceptable 1256 * compared to the originally selected BSS. */ 1257 if (bss->est_throughput < 2000) 1258 return false; 1259 1260 count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid); 1261 if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len, 1262 bss, count, 0)) 1263 return true; 1264 } 1265 1266 return false; 1267 } 1268 #endif /* CONFIG_SAE_PK */ 1269 1270 1271 static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 1272 const u8 *match_ssid, size_t match_ssid_len, 1273 struct wpa_bss *bss, int bssid_ignore_count, 1274 bool debug_print) 1275 { 1276 int res; 1277 bool wpa, check_ssid, osen, rsn_osen = false; 1278 struct wpa_ie_data data; 1279 #ifdef CONFIG_MBO 1280 const u8 *assoc_disallow; 1281 #endif /* CONFIG_MBO */ 1282 #ifdef CONFIG_SAE 1283 u8 rsnxe_capa = 0; 1284 #endif /* CONFIG_SAE */ 1285 const u8 *ie; 1286 1287 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1288 wpa = ie && ie[1]; 1289 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1290 wpa |= ie && ie[1]; 1291 if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 && 1292 (data.key_mgmt & WPA_KEY_MGMT_OSEN)) 1293 rsn_osen = true; 1294 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); 1295 osen = ie != NULL; 1296 1297 #ifdef CONFIG_SAE 1298 ie = wpa_bss_get_ie(bss, WLAN_EID_RSNX); 1299 if (ie && ie[1] >= 1) 1300 rsnxe_capa = ie[2]; 1301 #endif /* CONFIG_SAE */ 1302 1303 check_ssid = wpa || ssid->ssid_len > 0; 1304 1305 if (wpas_network_disabled(wpa_s, ssid)) { 1306 if (debug_print) 1307 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); 1308 return false; 1309 } 1310 1311 res = wpas_temp_disabled(wpa_s, ssid); 1312 if (res > 0) { 1313 if (debug_print) 1314 wpa_dbg(wpa_s, MSG_DEBUG, 1315 " skip - disabled temporarily for %d second(s)", 1316 res); 1317 return false; 1318 } 1319 1320 #ifdef CONFIG_WPS 1321 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && bssid_ignore_count) { 1322 if (debug_print) 1323 wpa_dbg(wpa_s, MSG_DEBUG, 1324 " skip - BSSID ignored (WPS)"); 1325 return false; 1326 } 1327 1328 if (wpa && ssid->ssid_len == 0 && 1329 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 1330 check_ssid = false; 1331 1332 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 1333 /* Only allow wildcard SSID match if an AP advertises active 1334 * WPS operation that matches our mode. */ 1335 check_ssid = ssid->ssid_len > 0 || 1336 !wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss); 1337 } 1338 #endif /* CONFIG_WPS */ 1339 1340 if (ssid->bssid_set && ssid->ssid_len == 0 && 1341 ether_addr_equal(bss->bssid, ssid->bssid)) 1342 check_ssid = false; 1343 1344 if (check_ssid && 1345 (match_ssid_len != ssid->ssid_len || 1346 os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) { 1347 if (debug_print) 1348 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch"); 1349 return false; 1350 } 1351 1352 if (ssid->bssid_set && 1353 !ether_addr_equal(bss->bssid, ssid->bssid)) { 1354 if (debug_print) 1355 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch"); 1356 return false; 1357 } 1358 1359 /* check the list of BSSIDs to ignore */ 1360 if (ssid->num_bssid_ignore && 1361 addr_in_list(bss->bssid, ssid->bssid_ignore, 1362 ssid->num_bssid_ignore)) { 1363 if (debug_print) 1364 wpa_dbg(wpa_s, MSG_DEBUG, 1365 " skip - BSSID configured to be ignored"); 1366 return false; 1367 } 1368 1369 /* if there is a list of accepted BSSIDs, only accept those APs */ 1370 if (ssid->num_bssid_accept && 1371 !addr_in_list(bss->bssid, ssid->bssid_accept, 1372 ssid->num_bssid_accept)) { 1373 if (debug_print) 1374 wpa_dbg(wpa_s, MSG_DEBUG, 1375 " skip - BSSID not in list of accepted values"); 1376 return false; 1377 } 1378 1379 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, debug_print)) 1380 return false; 1381 1382 if (!osen && !wpa && 1383 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 1384 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && 1385 !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) && 1386 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { 1387 if (debug_print) 1388 wpa_dbg(wpa_s, MSG_DEBUG, 1389 " skip - non-WPA network not allowed"); 1390 return false; 1391 } 1392 1393 #ifdef CONFIG_WEP 1394 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && has_wep_key(ssid)) { 1395 if (debug_print) 1396 wpa_dbg(wpa_s, MSG_DEBUG, 1397 " skip - ignore WPA/WPA2 AP for WEP network block"); 1398 return false; 1399 } 1400 #endif /* CONFIG_WEP */ 1401 1402 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen && !rsn_osen) { 1403 if (debug_print) 1404 wpa_dbg(wpa_s, MSG_DEBUG, 1405 " skip - non-OSEN network not allowed"); 1406 return false; 1407 } 1408 1409 if (!wpa_supplicant_match_privacy(bss, ssid)) { 1410 if (debug_print) 1411 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy mismatch"); 1412 return false; 1413 } 1414 1415 if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) && 1416 !bss_is_pbss(bss)) { 1417 if (debug_print) 1418 wpa_dbg(wpa_s, MSG_DEBUG, 1419 " skip - not ESS, PBSS, or MBSS"); 1420 return false; 1421 } 1422 1423 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) { 1424 if (debug_print) 1425 wpa_dbg(wpa_s, MSG_DEBUG, 1426 " skip - PBSS mismatch (ssid %d bss %d)", 1427 ssid->pbss, bss_is_pbss(bss)); 1428 return false; 1429 } 1430 1431 if (!freq_allowed(ssid->freq_list, bss->freq)) { 1432 if (debug_print) 1433 wpa_dbg(wpa_s, MSG_DEBUG, 1434 " skip - frequency not allowed"); 1435 return false; 1436 } 1437 1438 #ifdef CONFIG_MESH 1439 if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 && 1440 ssid->frequency != bss->freq) { 1441 if (debug_print) 1442 wpa_dbg(wpa_s, MSG_DEBUG, 1443 " skip - frequency not allowed (mesh)"); 1444 return false; 1445 } 1446 #endif /* CONFIG_MESH */ 1447 1448 if (!rate_match(wpa_s, ssid, bss, debug_print)) { 1449 if (debug_print) 1450 wpa_dbg(wpa_s, MSG_DEBUG, 1451 " skip - rate sets do not match"); 1452 return false; 1453 } 1454 1455 #ifdef CONFIG_SAE 1456 /* When using SAE Password Identifier and when operationg on the 6 GHz 1457 * band, only H2E is allowed. */ 1458 if ((wpa_s->conf->sae_pwe == SAE_PWE_HASH_TO_ELEMENT || 1459 is_6ghz_freq(bss->freq) || ssid->sae_password_id) && 1460 wpa_s->conf->sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK && 1461 wpa_key_mgmt_sae(ssid->key_mgmt) && 1462 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) { 1463 if (debug_print) 1464 wpa_dbg(wpa_s, MSG_DEBUG, 1465 " skip - SAE H2E required, but not supported by the AP"); 1466 return false; 1467 } 1468 #endif /* CONFIG_SAE */ 1469 1470 #ifdef CONFIG_SAE_PK 1471 if (ssid->sae_pk == SAE_PK_MODE_ONLY && 1472 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK))) { 1473 if (debug_print) 1474 wpa_dbg(wpa_s, MSG_DEBUG, 1475 " skip - SAE-PK required, but not supported by the AP"); 1476 return false; 1477 } 1478 #endif /* CONFIG_SAE_PK */ 1479 1480 #ifndef CONFIG_IBSS_RSN 1481 if (ssid->mode == WPAS_MODE_IBSS && 1482 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPA_NONE))) { 1483 if (debug_print) 1484 wpa_dbg(wpa_s, MSG_DEBUG, 1485 " skip - IBSS RSN not supported in the build"); 1486 return false; 1487 } 1488 #endif /* !CONFIG_IBSS_RSN */ 1489 1490 #ifdef CONFIG_P2P 1491 if (ssid->p2p_group && 1492 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && 1493 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { 1494 if (debug_print) 1495 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen"); 1496 return false; 1497 } 1498 1499 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) { 1500 struct wpabuf *p2p_ie; 1501 u8 dev_addr[ETH_ALEN]; 1502 1503 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE); 1504 if (!ie) { 1505 if (debug_print) 1506 wpa_dbg(wpa_s, MSG_DEBUG, 1507 " skip - no P2P element"); 1508 return false; 1509 } 1510 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); 1511 if (!p2p_ie) { 1512 if (debug_print) 1513 wpa_dbg(wpa_s, MSG_DEBUG, 1514 " skip - could not fetch P2P element"); 1515 return false; 1516 } 1517 1518 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 || 1519 !ether_addr_equal(dev_addr, ssid->go_p2p_dev_addr)) { 1520 if (debug_print) 1521 wpa_dbg(wpa_s, MSG_DEBUG, 1522 " skip - no matching GO P2P Device Address in P2P element"); 1523 wpabuf_free(p2p_ie); 1524 return false; 1525 } 1526 wpabuf_free(p2p_ie); 1527 } 1528 1529 /* 1530 * TODO: skip the AP if its P2P IE has Group Formation bit set in the 1531 * P2P Group Capability Bitmap and we are not in Group Formation with 1532 * that device. 1533 */ 1534 #endif /* CONFIG_P2P */ 1535 1536 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) { 1537 struct os_reltime diff; 1538 1539 os_reltime_sub(&wpa_s->scan_min_time, &bss->last_update, &diff); 1540 if (debug_print) 1541 wpa_dbg(wpa_s, MSG_DEBUG, 1542 " skip - scan result not recent enough (%u.%06u seconds too old)", 1543 (unsigned int) diff.sec, 1544 (unsigned int) diff.usec); 1545 return false; 1546 } 1547 #ifdef CONFIG_MBO 1548 #ifdef CONFIG_TESTING_OPTIONS 1549 if (wpa_s->ignore_assoc_disallow) 1550 goto skip_assoc_disallow; 1551 #endif /* CONFIG_TESTING_OPTIONS */ 1552 assoc_disallow = wpas_mbo_check_assoc_disallow(bss); 1553 if (assoc_disallow && assoc_disallow[1] >= 1) { 1554 if (debug_print) 1555 wpa_dbg(wpa_s, MSG_DEBUG, 1556 " skip - MBO association disallowed (reason %u)", 1557 assoc_disallow[2]); 1558 return false; 1559 } 1560 1561 if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) { 1562 if (debug_print) 1563 wpa_dbg(wpa_s, MSG_DEBUG, 1564 " skip - AP temporarily disallowed"); 1565 return false; 1566 } 1567 #ifdef CONFIG_TESTING_OPTIONS 1568 skip_assoc_disallow: 1569 #endif /* CONFIG_TESTING_OPTIONS */ 1570 #endif /* CONFIG_MBO */ 1571 1572 #ifdef CONFIG_DPP 1573 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) && 1574 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, wpa_s->own_addr, 1575 ssid) && 1576 (!ssid->dpp_connector || !ssid->dpp_netaccesskey || 1577 !ssid->dpp_csign)) { 1578 if (debug_print) 1579 wpa_dbg(wpa_s, MSG_DEBUG, 1580 " skip - no PMKSA entry for DPP"); 1581 return false; 1582 } 1583 #endif /* CONFIG_DPP */ 1584 1585 #ifdef CONFIG_SAE_PK 1586 if (ssid->sae_pk == SAE_PK_MODE_AUTOMATIC && 1587 wpa_key_mgmt_sae(ssid->key_mgmt) && 1588 ((ssid->sae_password && 1589 sae_pk_valid_password(ssid->sae_password)) || 1590 (!ssid->sae_password && ssid->passphrase && 1591 sae_pk_valid_password(ssid->passphrase))) && 1592 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK)) && 1593 sae_pk_acceptable_bss_with_pk(wpa_s, bss, ssid, match_ssid, 1594 match_ssid_len)) { 1595 if (debug_print) 1596 wpa_dbg(wpa_s, MSG_DEBUG, 1597 " skip - another acceptable BSS with SAE-PK in the same ESS"); 1598 return false; 1599 } 1600 #endif /* CONFIG_SAE_PK */ 1601 1602 if (bss->ssid_len == 0) { 1603 #ifdef CONFIG_OWE 1604 const u8 *owe_ssid = NULL; 1605 size_t owe_ssid_len = 0; 1606 1607 owe_trans_ssid(wpa_s, bss, &owe_ssid, &owe_ssid_len); 1608 if (owe_ssid && owe_ssid_len && 1609 owe_ssid_len == ssid->ssid_len && 1610 os_memcmp(owe_ssid, ssid->ssid, owe_ssid_len) == 0) { 1611 if (debug_print) 1612 wpa_dbg(wpa_s, MSG_DEBUG, 1613 " skip - no SSID in BSS entry for a possible OWE transition mode BSS"); 1614 int_array_add_unique(&wpa_s->owe_trans_scan_freq, 1615 bss->freq); 1616 return false; 1617 } 1618 #endif /* CONFIG_OWE */ 1619 if (debug_print) 1620 wpa_dbg(wpa_s, MSG_DEBUG, 1621 " skip - no SSID known for the BSS"); 1622 return false; 1623 } 1624 1625 if (!wpas_valid_ml_bss(wpa_s, bss)) { 1626 if (debug_print) 1627 wpa_dbg(wpa_s, MSG_DEBUG, 1628 " skip - ML BSS going to be removed"); 1629 return false; 1630 } 1631 1632 /* Matching configuration found */ 1633 return true; 1634 } 1635 1636 1637 struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, 1638 int i, struct wpa_bss *bss, 1639 struct wpa_ssid *group, 1640 int only_first_ssid, int debug_print) 1641 { 1642 u8 wpa_ie_len, rsn_ie_len; 1643 const u8 *ie; 1644 struct wpa_ssid *ssid; 1645 int osen; 1646 const u8 *match_ssid; 1647 size_t match_ssid_len; 1648 int bssid_ignore_count; 1649 1650 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1651 wpa_ie_len = ie ? ie[1] : 0; 1652 1653 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1654 rsn_ie_len = ie ? ie[1] : 0; 1655 1656 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); 1657 osen = ie != NULL; 1658 1659 if (debug_print) { 1660 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR 1661 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s", 1662 i, MAC2STR(bss->bssid), 1663 wpa_ssid_txt(bss->ssid, bss->ssid_len), 1664 wpa_ie_len, rsn_ie_len, bss->caps, bss->level, 1665 bss->freq, 1666 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? 1667 " wps" : "", 1668 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) || 1669 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) 1670 ? " p2p" : "", 1671 osen ? " osen=1" : ""); 1672 } 1673 1674 bssid_ignore_count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid); 1675 if (bssid_ignore_count) { 1676 int limit = 1; 1677 if (wpa_supplicant_enabled_networks(wpa_s) == 1) { 1678 /* 1679 * When only a single network is enabled, we can 1680 * trigger BSSID ignoring on the first failure. This 1681 * should not be done with multiple enabled networks to 1682 * avoid getting forced to move into a worse ESS on 1683 * single error if there are no other BSSes of the 1684 * current ESS. 1685 */ 1686 limit = 0; 1687 } 1688 if (bssid_ignore_count > limit) { 1689 if (debug_print) { 1690 wpa_dbg(wpa_s, MSG_DEBUG, 1691 " skip - BSSID ignored (count=%d limit=%d)", 1692 bssid_ignore_count, limit); 1693 } 1694 return NULL; 1695 } 1696 } 1697 1698 match_ssid = bss->ssid; 1699 match_ssid_len = bss->ssid_len; 1700 owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len); 1701 1702 if (match_ssid_len == 0) { 1703 if (debug_print) 1704 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); 1705 return NULL; 1706 } 1707 1708 if (disallowed_bssid(wpa_s, bss->bssid)) { 1709 if (debug_print) 1710 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); 1711 return NULL; 1712 } 1713 1714 if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) { 1715 if (debug_print) 1716 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); 1717 return NULL; 1718 } 1719 1720 if (disabled_freq(wpa_s, bss->freq)) { 1721 if (debug_print) 1722 wpa_dbg(wpa_s, MSG_DEBUG, " skip - channel disabled"); 1723 return NULL; 1724 } 1725 1726 if (wnm_is_bss_excluded(wpa_s, bss)) { 1727 if (debug_print) 1728 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID excluded"); 1729 return NULL; 1730 } 1731 1732 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) { 1733 if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len, 1734 bss, bssid_ignore_count, debug_print)) 1735 return ssid; 1736 } 1737 1738 /* No matching configuration found */ 1739 return NULL; 1740 } 1741 1742 1743 static struct wpa_bss * 1744 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, 1745 struct wpa_ssid *group, 1746 struct wpa_ssid **selected_ssid, 1747 int only_first_ssid) 1748 { 1749 unsigned int i; 1750 1751 if (wpa_s->current_ssid) { 1752 struct wpa_ssid *ssid; 1753 1754 wpa_dbg(wpa_s, MSG_DEBUG, 1755 "Scan results matching the currently selected network"); 1756 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1757 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1758 1759 ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1760 only_first_ssid, 0); 1761 if (ssid != wpa_s->current_ssid) 1762 continue; 1763 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR 1764 " freq=%d level=%d snr=%d est_throughput=%u", 1765 i, MAC2STR(bss->bssid), bss->freq, bss->level, 1766 bss->snr, bss->est_throughput); 1767 } 1768 } 1769 1770 if (only_first_ssid) 1771 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d", 1772 group->id); 1773 else 1774 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", 1775 group->priority); 1776 1777 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1778 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1779 1780 wpa_s->owe_transition_select = 1; 1781 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1782 only_first_ssid, 1); 1783 wpa_s->owe_transition_select = 0; 1784 if (!*selected_ssid) 1785 continue; 1786 wpa_dbg(wpa_s, MSG_DEBUG, " selected %sBSS " MACSTR 1787 " ssid='%s'", 1788 bss == wpa_s->current_bss ? "current ": "", 1789 MAC2STR(bss->bssid), 1790 wpa_ssid_txt(bss->ssid, bss->ssid_len)); 1791 return bss; 1792 } 1793 1794 return NULL; 1795 } 1796 1797 1798 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, 1799 struct wpa_ssid **selected_ssid) 1800 { 1801 struct wpa_bss *selected = NULL; 1802 size_t prio; 1803 struct wpa_ssid *next_ssid = NULL; 1804 struct wpa_ssid *ssid; 1805 1806 if (wpa_s->last_scan_res == NULL || 1807 wpa_s->last_scan_res_used == 0) 1808 return NULL; /* no scan results from last update */ 1809 1810 if (wpa_s->next_ssid) { 1811 /* check that next_ssid is still valid */ 1812 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1813 if (ssid == wpa_s->next_ssid) 1814 break; 1815 } 1816 next_ssid = ssid; 1817 wpa_s->next_ssid = NULL; 1818 } 1819 1820 while (selected == NULL) { 1821 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 1822 if (next_ssid && next_ssid->priority == 1823 wpa_s->conf->pssid[prio]->priority) { 1824 selected = wpa_supplicant_select_bss( 1825 wpa_s, next_ssid, selected_ssid, 1); 1826 if (selected) 1827 break; 1828 } 1829 selected = wpa_supplicant_select_bss( 1830 wpa_s, wpa_s->conf->pssid[prio], 1831 selected_ssid, 0); 1832 if (selected) 1833 break; 1834 } 1835 1836 if (!selected && 1837 (wpa_s->bssid_ignore || wnm_active_bss_trans_mgmt(wpa_s)) && 1838 !wpa_s->countermeasures) { 1839 wpa_dbg(wpa_s, MSG_DEBUG, 1840 "No APs found - clear BSSID ignore list and try again"); 1841 wnm_btm_reset(wpa_s); 1842 wpa_bssid_ignore_clear(wpa_s); 1843 wpa_s->bssid_ignore_cleared = true; 1844 } else if (selected == NULL) 1845 break; 1846 } 1847 1848 ssid = *selected_ssid; 1849 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set && 1850 !ssid->passphrase && !ssid->ext_psk) { 1851 const char *field_name, *txt = NULL; 1852 1853 wpa_dbg(wpa_s, MSG_DEBUG, 1854 "PSK/passphrase not yet available for the selected network"); 1855 1856 wpas_notify_network_request(wpa_s, ssid, 1857 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL); 1858 1859 field_name = wpa_supplicant_ctrl_req_to_string( 1860 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt); 1861 if (field_name == NULL) 1862 return NULL; 1863 1864 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt); 1865 1866 selected = NULL; 1867 } 1868 1869 return selected; 1870 } 1871 1872 1873 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, 1874 int timeout_sec, int timeout_usec) 1875 { 1876 if (!wpa_supplicant_enabled_networks(wpa_s)) { 1877 /* 1878 * No networks are enabled; short-circuit request so 1879 * we don't wait timeout seconds before transitioning 1880 * to INACTIVE state. 1881 */ 1882 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " 1883 "since there are no enabled networks"); 1884 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); 1885 return; 1886 } 1887 1888 wpa_s->scan_for_connection = 1; 1889 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); 1890 } 1891 1892 1893 static bool ml_link_probe_scan(struct wpa_supplicant *wpa_s) 1894 { 1895 if (!wpa_s->ml_connect_probe_ssid || !wpa_s->ml_connect_probe_bss) 1896 return false; 1897 1898 wpa_msg(wpa_s, MSG_DEBUG, 1899 "Request association with " MACSTR " after ML probe", 1900 MAC2STR(wpa_s->ml_connect_probe_bss->bssid)); 1901 1902 wpa_supplicant_associate(wpa_s, wpa_s->ml_connect_probe_bss, 1903 wpa_s->ml_connect_probe_ssid); 1904 1905 wpa_s->ml_connect_probe_ssid = NULL; 1906 wpa_s->ml_connect_probe_bss = NULL; 1907 1908 return true; 1909 } 1910 1911 1912 static int wpa_supplicant_connect_ml_missing(struct wpa_supplicant *wpa_s, 1913 struct wpa_bss *selected, 1914 struct wpa_ssid *ssid) 1915 { 1916 int *freqs; 1917 u16 missing_links = 0, removed_links; 1918 u8 ap_mld_id; 1919 1920 if (!((wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_MLO) && 1921 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))) 1922 return 0; 1923 1924 if (wpa_bss_parse_basic_ml_element(wpa_s, selected, NULL, 1925 &missing_links, ssid, 1926 &ap_mld_id) || 1927 !missing_links) 1928 return 0; 1929 1930 removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, selected); 1931 missing_links &= ~removed_links; 1932 1933 if (!missing_links) 1934 return 0; 1935 1936 wpa_dbg(wpa_s, MSG_DEBUG, 1937 "MLD: Doing an ML probe for missing links 0x%04x", 1938 missing_links); 1939 1940 freqs = os_malloc(sizeof(int) * 2); 1941 if (!freqs) 1942 return 0; 1943 1944 wpa_s->ml_connect_probe_ssid = ssid; 1945 wpa_s->ml_connect_probe_bss = selected; 1946 1947 freqs[0] = selected->freq; 1948 freqs[1] = 0; 1949 1950 wpa_s->manual_scan_passive = 0; 1951 wpa_s->manual_scan_use_id = 0; 1952 wpa_s->manual_scan_only_new = 0; 1953 wpa_s->scan_id_count = 0; 1954 os_free(wpa_s->manual_scan_freqs); 1955 wpa_s->manual_scan_freqs = freqs; 1956 1957 os_memcpy(wpa_s->ml_probe_bssid, selected->bssid, ETH_ALEN); 1958 1959 /* 1960 * In case the ML probe request is intended to retrieve information from 1961 * the transmitted BSS, the AP MLD ID should be included and should be 1962 * set to zero. 1963 * In case the ML probe requested is intended to retrieve information 1964 * from a non-transmitted BSS, the AP MLD ID should not be included. 1965 */ 1966 if (ap_mld_id) 1967 wpa_s->ml_probe_mld_id = -1; 1968 else 1969 wpa_s->ml_probe_mld_id = 0; 1970 1971 if (ssid && ssid->ssid_len) { 1972 os_free(wpa_s->ssids_from_scan_req); 1973 wpa_s->num_ssids_from_scan_req = 0; 1974 1975 wpa_s->ssids_from_scan_req = 1976 os_zalloc(sizeof(struct wpa_ssid_value)); 1977 if (wpa_s->ssids_from_scan_req) { 1978 wpa_printf(MSG_DEBUG, 1979 "MLD: ML probe: With direct SSID"); 1980 1981 wpa_s->num_ssids_from_scan_req = 1; 1982 wpa_s->ssids_from_scan_req[0].ssid_len = ssid->ssid_len; 1983 os_memcpy(wpa_s->ssids_from_scan_req[0].ssid, 1984 ssid->ssid, ssid->ssid_len); 1985 } 1986 } 1987 1988 wpa_s->ml_probe_links = missing_links; 1989 1990 wpa_s->normal_scans = 0; 1991 wpa_s->scan_req = MANUAL_SCAN_REQ; 1992 wpa_s->after_wps = 0; 1993 wpa_s->known_wps_freq = 0; 1994 wpa_supplicant_req_scan(wpa_s, 0, 0); 1995 1996 return 1; 1997 } 1998 1999 2000 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, 2001 struct wpa_bss *selected, 2002 struct wpa_ssid *ssid) 2003 { 2004 #ifdef IEEE8021X_EAPOL 2005 if ((eap_is_wps_pbc_enrollee(&ssid->eap) && 2006 wpas_wps_partner_link_overlap_detect(wpa_s)) || 2007 wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { 2008 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP 2009 "PBC session overlap"); 2010 wpas_notify_wps_event_pbc_overlap(wpa_s); 2011 wpa_s->wps_overlap = true; 2012 #ifdef CONFIG_P2P 2013 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || 2014 wpa_s->p2p_in_provisioning) { 2015 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, 2016 wpa_s, NULL); 2017 return -1; 2018 } 2019 #endif /* CONFIG_P2P */ 2020 2021 #ifdef CONFIG_WPS 2022 wpas_wps_pbc_overlap(wpa_s); 2023 wpas_wps_cancel(wpa_s); 2024 #endif /* CONFIG_WPS */ 2025 return -1; 2026 } 2027 #endif /* IEEE8021X_EAPOL */ 2028 2029 wpa_msg(wpa_s, MSG_DEBUG, 2030 "Considering connect request: reassociate: %d selected: " 2031 MACSTR " bssid: " MACSTR " pending: " MACSTR 2032 " wpa_state: %s ssid=%p current_ssid=%p", 2033 wpa_s->reassociate, MAC2STR(selected->bssid), 2034 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), 2035 wpa_supplicant_state_txt(wpa_s->wpa_state), 2036 ssid, wpa_s->current_ssid); 2037 2038 /* 2039 * Do not trigger new association unless the BSSID has changed or if 2040 * reassociation is requested. If we are in process of associating with 2041 * the selected BSSID, do not trigger new attempt. 2042 */ 2043 if (wpa_s->reassociate || 2044 (!ether_addr_equal(selected->bssid, wpa_s->bssid) && 2045 ((wpa_s->wpa_state != WPA_ASSOCIATING && 2046 wpa_s->wpa_state != WPA_AUTHENTICATING) || 2047 (!is_zero_ether_addr(wpa_s->pending_bssid) && 2048 !ether_addr_equal(selected->bssid, wpa_s->pending_bssid)) || 2049 (is_zero_ether_addr(wpa_s->pending_bssid) && 2050 ssid != wpa_s->current_ssid)))) { 2051 if (wpa_supplicant_scard_init(wpa_s, ssid)) { 2052 wpa_supplicant_req_new_scan(wpa_s, 10, 0); 2053 return 0; 2054 } 2055 2056 if (wpa_supplicant_connect_ml_missing(wpa_s, selected, ssid)) 2057 return 0; 2058 2059 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR, 2060 MAC2STR(selected->bssid)); 2061 wpa_supplicant_associate(wpa_s, selected, ssid); 2062 } else { 2063 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to " 2064 "connect with the selected AP"); 2065 } 2066 2067 return 0; 2068 } 2069 2070 2071 static struct wpa_ssid * 2072 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) 2073 { 2074 size_t prio; 2075 struct wpa_ssid *ssid; 2076 2077 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 2078 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) 2079 { 2080 if (wpas_network_disabled(wpa_s, ssid)) 2081 continue; 2082 #ifndef CONFIG_IBSS_RSN 2083 if (ssid->mode == WPAS_MODE_IBSS && 2084 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | 2085 WPA_KEY_MGMT_WPA_NONE))) { 2086 wpa_msg(wpa_s, MSG_INFO, 2087 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'", 2088 wpa_ssid_txt(ssid->ssid, 2089 ssid->ssid_len)); 2090 continue; 2091 } 2092 #endif /* !CONFIG_IBSS_RSN */ 2093 if (ssid->mode == WPAS_MODE_IBSS || 2094 ssid->mode == WPAS_MODE_AP || 2095 ssid->mode == WPAS_MODE_MESH) 2096 return ssid; 2097 } 2098 } 2099 return NULL; 2100 } 2101 2102 2103 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based 2104 * on BSS added and BSS changed events */ 2105 static void wpa_supplicant_rsn_preauth_scan_results( 2106 struct wpa_supplicant *wpa_s) 2107 { 2108 struct wpa_bss *bss; 2109 2110 if (rsn_preauth_scan_results(wpa_s->wpa) < 0) 2111 return; 2112 2113 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 2114 const u8 *ssid, *rsn; 2115 2116 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); 2117 if (ssid == NULL) 2118 continue; 2119 2120 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 2121 if (rsn == NULL) 2122 continue; 2123 2124 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); 2125 } 2126 2127 } 2128 2129 2130 #ifndef CONFIG_NO_ROAMING 2131 2132 static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise) 2133 { 2134 if (noise == WPA_INVALID_NOISE) { 2135 if (IS_5GHZ(frequency)) { 2136 noise = DEFAULT_NOISE_FLOOR_5GHZ; 2137 } else if (is_6ghz_freq(frequency)) { 2138 noise = DEFAULT_NOISE_FLOOR_6GHZ; 2139 } else { 2140 noise = DEFAULT_NOISE_FLOOR_2GHZ; 2141 } 2142 } 2143 return avg_signal - noise; 2144 } 2145 2146 2147 static unsigned int 2148 wpas_get_est_throughput_from_bss_snr(const struct wpa_supplicant *wpa_s, 2149 const struct wpa_bss *bss, int snr) 2150 { 2151 int rate = wpa_bss_get_max_rate(bss); 2152 const u8 *ies = wpa_bss_ie_ptr(bss); 2153 size_t ie_len = bss->ie_len ? bss->ie_len : bss->beacon_ie_len; 2154 enum chan_width max_cw = CHAN_WIDTH_UNKNOWN; 2155 2156 return wpas_get_est_tpt(wpa_s, ies, ie_len, rate, snr, bss->freq, 2157 &max_cw); 2158 } 2159 2160 2161 static int wpas_evaluate_band_score(int frequency) 2162 { 2163 if (is_6ghz_freq(frequency)) 2164 return 2; 2165 if (IS_5GHZ(frequency)) 2166 return 1; 2167 return 0; 2168 } 2169 2170 2171 int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s, 2172 struct wpa_bss *current_bss, 2173 struct wpa_bss *selected) 2174 { 2175 int min_diff, diff; 2176 int cur_band_score, sel_band_score; 2177 int to_5ghz, to_6ghz; 2178 int cur_level, sel_level; 2179 unsigned int cur_est, sel_est; 2180 struct wpa_signal_info si; 2181 int cur_snr = 0; 2182 int ret = 0; 2183 const u8 *cur_ies = wpa_bss_ie_ptr(current_bss); 2184 const u8 *sel_ies = wpa_bss_ie_ptr(selected); 2185 size_t cur_ie_len = current_bss->ie_len ? current_bss->ie_len : 2186 current_bss->beacon_ie_len; 2187 size_t sel_ie_len = selected->ie_len ? selected->ie_len : 2188 selected->beacon_ie_len; 2189 2190 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); 2191 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR 2192 " freq=%d level=%d snr=%d est_throughput=%u", 2193 MAC2STR(current_bss->bssid), 2194 current_bss->freq, current_bss->level, 2195 current_bss->snr, current_bss->est_throughput); 2196 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR 2197 " freq=%d level=%d snr=%d est_throughput=%u", 2198 MAC2STR(selected->bssid), selected->freq, selected->level, 2199 selected->snr, selected->est_throughput); 2200 2201 if (wpas_ap_link_address(wpa_s, selected->bssid)) { 2202 wpa_dbg(wpa_s, MSG_DEBUG, "MLD: associated to selected BSS"); 2203 return 0; 2204 } 2205 2206 if (wpa_s->current_ssid->bssid_set && 2207 ether_addr_equal(selected->bssid, wpa_s->current_ssid->bssid)) { 2208 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " 2209 "has preferred BSSID"); 2210 return 1; 2211 } 2212 2213 /* 2214 * Try to poll the signal from the driver since this will allow to get 2215 * more accurate values. In some cases, there can be big differences 2216 * between the RSSI of the Probe Response frames of the AP we are 2217 * associated with and the Beacon frames we hear from the same AP after 2218 * association. This can happen, e.g., when there are two antennas that 2219 * hear the AP very differently. If the driver chooses to hear the 2220 * Probe Response frames during the scan on the "bad" antenna because 2221 * it wants to save power, but knows to choose the other antenna after 2222 * association, we will hear our AP with a low RSSI as part of the 2223 * scan even when we can hear it decently on the other antenna. To cope 2224 * with this, ask the driver to teach us how it hears the AP. Also, the 2225 * scan results may be a bit old, since we can very quickly get fresh 2226 * information about our currently associated AP. 2227 */ 2228 if (wpa_drv_signal_poll(wpa_s, &si) == 0 && 2229 (si.data.avg_beacon_signal || si.data.avg_signal)) { 2230 /* 2231 * Normalize avg_signal to the RSSI over 20 MHz, as the 2232 * throughput is estimated based on the RSSI over 20 MHz 2233 */ 2234 cur_level = si.data.avg_beacon_signal ? 2235 si.data.avg_beacon_signal : 2236 (si.data.avg_signal - 2237 wpas_channel_width_rssi_bump(cur_ies, cur_ie_len, 2238 si.chanwidth)); 2239 cur_snr = wpas_get_snr_signal_info(si.frequency, cur_level, 2240 si.current_noise); 2241 2242 cur_est = wpas_get_est_throughput_from_bss_snr(wpa_s, 2243 current_bss, 2244 cur_snr); 2245 wpa_dbg(wpa_s, MSG_DEBUG, 2246 "Using signal poll values for the current BSS: level=%d snr=%d est_throughput=%u", 2247 cur_level, cur_snr, cur_est); 2248 } else { 2249 /* Level and SNR are measured over 20 MHz channel */ 2250 cur_level = current_bss->level; 2251 cur_snr = current_bss->snr; 2252 cur_est = current_bss->est_throughput; 2253 } 2254 2255 /* Adjust the SNR of BSSes based on the channel width. */ 2256 cur_level += wpas_channel_width_rssi_bump(cur_ies, cur_ie_len, 2257 current_bss->max_cw); 2258 cur_snr = wpas_adjust_snr_by_chanwidth(cur_ies, cur_ie_len, 2259 current_bss->max_cw, cur_snr); 2260 2261 sel_est = selected->est_throughput; 2262 sel_level = selected->level + 2263 wpas_channel_width_rssi_bump(sel_ies, sel_ie_len, 2264 selected->max_cw); 2265 2266 if (sel_est > cur_est + 5000) { 2267 wpa_dbg(wpa_s, MSG_DEBUG, 2268 "Allow reassociation - selected BSS has better estimated throughput"); 2269 return 1; 2270 } 2271 2272 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000; 2273 to_6ghz = is_6ghz_freq(selected->freq) && 2274 !is_6ghz_freq(current_bss->freq); 2275 2276 if (cur_level < 0 && 2277 cur_level > sel_level + to_5ghz * 2 + to_6ghz * 2 && 2278 sel_est < cur_est * 1.2) { 2279 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " 2280 "signal level"); 2281 return 0; 2282 } 2283 2284 if (cur_est > sel_est + 5000) { 2285 wpa_dbg(wpa_s, MSG_DEBUG, 2286 "Skip roam - Current BSS has better estimated throughput"); 2287 return 0; 2288 } 2289 2290 if (cur_snr > GREAT_SNR) { 2291 wpa_dbg(wpa_s, MSG_DEBUG, 2292 "Skip roam - Current BSS has good SNR (%u > %u)", 2293 cur_snr, GREAT_SNR); 2294 return 0; 2295 } 2296 2297 if (cur_level < -85) /* ..-86 dBm */ 2298 min_diff = 1; 2299 else if (cur_level < -80) /* -85..-81 dBm */ 2300 min_diff = 2; 2301 else if (cur_level < -75) /* -80..-76 dBm */ 2302 min_diff = 3; 2303 else if (cur_level < -70) /* -75..-71 dBm */ 2304 min_diff = 4; 2305 else if (cur_level < 0) /* -70..-1 dBm */ 2306 min_diff = 5; 2307 else /* unspecified units (not in dBm) */ 2308 min_diff = 2; 2309 2310 if (cur_est > sel_est * 1.5) 2311 min_diff += 10; 2312 else if (cur_est > sel_est * 1.2) 2313 min_diff += 5; 2314 else if (cur_est > sel_est * 1.1) 2315 min_diff += 2; 2316 else if (cur_est > sel_est) 2317 min_diff++; 2318 else if (sel_est > cur_est * 1.5) 2319 min_diff -= 10; 2320 else if (sel_est > cur_est * 1.2) 2321 min_diff -= 5; 2322 else if (sel_est > cur_est * 1.1) 2323 min_diff -= 2; 2324 else if (sel_est > cur_est) 2325 min_diff--; 2326 2327 cur_band_score = wpas_evaluate_band_score(current_bss->freq); 2328 sel_band_score = wpas_evaluate_band_score(selected->freq); 2329 min_diff += (cur_band_score - sel_band_score) * 2; 2330 if (wpa_s->signal_threshold && cur_level <= wpa_s->signal_threshold && 2331 sel_level > wpa_s->signal_threshold) 2332 min_diff -= 2; 2333 diff = sel_level - cur_level; 2334 if (diff < min_diff) { 2335 wpa_dbg(wpa_s, MSG_DEBUG, 2336 "Skip roam - too small difference in signal level (%d < %d)", 2337 diff, min_diff); 2338 ret = 0; 2339 } else { 2340 wpa_dbg(wpa_s, MSG_DEBUG, 2341 "Allow reassociation due to difference in signal level (%d >= %d)", 2342 diff, min_diff); 2343 ret = 1; 2344 } 2345 wpa_msg_ctrl(wpa_s, MSG_INFO, "%scur_bssid=" MACSTR 2346 " cur_freq=%d cur_level=%d cur_est=%d sel_bssid=" MACSTR 2347 " sel_freq=%d sel_level=%d sel_est=%d", 2348 ret ? WPA_EVENT_DO_ROAM : WPA_EVENT_SKIP_ROAM, 2349 MAC2STR(current_bss->bssid), 2350 current_bss->freq, cur_level, cur_est, 2351 MAC2STR(selected->bssid), 2352 selected->freq, sel_level, sel_est); 2353 return ret; 2354 } 2355 2356 #endif /* CONFIG_NO_ROAMING */ 2357 2358 2359 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, 2360 struct wpa_bss *selected, 2361 struct wpa_ssid *ssid) 2362 { 2363 struct wpa_bss *current_bss = NULL; 2364 const u8 *bssid; 2365 2366 if (wpa_s->reassociate) 2367 return 1; /* explicit request to reassociate */ 2368 if (wpa_s->wpa_state < WPA_ASSOCIATED) 2369 return 1; /* we are not associated; continue */ 2370 if (wpa_s->current_ssid == NULL) 2371 return 1; /* unknown current SSID */ 2372 if (wpa_s->current_ssid != ssid) 2373 return 1; /* different network block */ 2374 2375 if (wpas_driver_bss_selection(wpa_s)) 2376 return 0; /* Driver-based roaming */ 2377 2378 if (wpa_s->valid_links) 2379 bssid = wpa_s->links[wpa_s->mlo_assoc_link_id].bssid; 2380 else 2381 bssid = wpa_s->bssid; 2382 2383 if (wpa_s->current_ssid->ssid) 2384 current_bss = wpa_bss_get(wpa_s, bssid, 2385 wpa_s->current_ssid->ssid, 2386 wpa_s->current_ssid->ssid_len); 2387 if (!current_bss) 2388 current_bss = wpa_bss_get_bssid(wpa_s, bssid); 2389 2390 if (!current_bss) 2391 return 1; /* current BSS not seen in scan results */ 2392 2393 if (current_bss == selected) 2394 return 0; 2395 2396 if (selected->last_update_idx > current_bss->last_update_idx) 2397 return 1; /* current BSS not seen in the last scan */ 2398 2399 #ifndef CONFIG_NO_ROAMING 2400 return wpa_supplicant_need_to_roam_within_ess(wpa_s, current_bss, 2401 selected); 2402 #else /* CONFIG_NO_ROAMING */ 2403 return 0; 2404 #endif /* CONFIG_NO_ROAMING */ 2405 } 2406 2407 2408 /* 2409 * Return a negative value if no scan results could be fetched or if scan 2410 * results should not be shared with other virtual interfaces. 2411 * Return 0 if scan results were fetched and may be shared with other 2412 * interfaces. 2413 * Return 1 if scan results may be shared with other virtual interfaces but may 2414 * not trigger any operations. 2415 * Return 2 if the interface was removed and cannot be used. 2416 */ 2417 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 2418 union wpa_event_data *data, 2419 int own_request, int update_only) 2420 { 2421 struct wpa_scan_results *scan_res = NULL; 2422 int ret = 0; 2423 int ap = 0; 2424 bool trigger_6ghz_scan; 2425 #ifndef CONFIG_NO_RANDOM_POOL 2426 size_t i, num; 2427 #endif /* CONFIG_NO_RANDOM_POOL */ 2428 2429 #ifdef CONFIG_AP 2430 if (wpa_s->ap_iface) 2431 ap = 1; 2432 #endif /* CONFIG_AP */ 2433 2434 trigger_6ghz_scan = wpa_s->crossed_6ghz_dom && 2435 wpa_s->last_scan_all_chan; 2436 wpa_s->crossed_6ghz_dom = false; 2437 wpa_s->last_scan_all_chan = false; 2438 2439 wpa_supplicant_notify_scanning(wpa_s, 0); 2440 2441 scan_res = wpa_supplicant_get_scan_results(wpa_s, 2442 data ? &data->scan_info : 2443 NULL, 1, NULL); 2444 if (scan_res == NULL) { 2445 if (wpa_s->conf->ap_scan == 2 || ap || 2446 wpa_s->scan_res_handler == scan_only_handler) 2447 return -1; 2448 if (!own_request) 2449 return -1; 2450 if (data && data->scan_info.external_scan) 2451 return -1; 2452 if (wpa_s->scan_res_fail_handler) { 2453 void (*handler)(struct wpa_supplicant *wpa_s); 2454 2455 handler = wpa_s->scan_res_fail_handler; 2456 wpa_s->scan_res_fail_handler = NULL; 2457 handler(wpa_s); 2458 } else { 2459 wpa_dbg(wpa_s, MSG_DEBUG, 2460 "Failed to get scan results - try scanning again"); 2461 wpa_supplicant_req_new_scan(wpa_s, 1, 0); 2462 } 2463 2464 ret = -1; 2465 goto scan_work_done; 2466 } 2467 2468 #ifndef CONFIG_NO_RANDOM_POOL 2469 num = scan_res->num; 2470 if (num > 10) 2471 num = 10; 2472 for (i = 0; i < num; i++) { 2473 u8 buf[5]; 2474 struct wpa_scan_res *res = scan_res->res[i]; 2475 buf[0] = res->bssid[5]; 2476 buf[1] = res->qual & 0xff; 2477 buf[2] = res->noise & 0xff; 2478 buf[3] = res->level & 0xff; 2479 buf[4] = res->tsf & 0xff; 2480 random_add_randomness(buf, sizeof(buf)); 2481 } 2482 #endif /* CONFIG_NO_RANDOM_POOL */ 2483 2484 if (update_only) { 2485 ret = 1; 2486 goto scan_work_done; 2487 } 2488 2489 if (own_request && wpa_s->scan_res_handler && 2490 !(data && data->scan_info.external_scan)) { 2491 void (*scan_res_handler)(struct wpa_supplicant *wpa_s, 2492 struct wpa_scan_results *scan_res); 2493 2494 scan_res_handler = wpa_s->scan_res_handler; 2495 wpa_s->scan_res_handler = NULL; 2496 scan_res_handler(wpa_s, scan_res); 2497 ret = 1; 2498 goto scan_work_done; 2499 } 2500 2501 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)", 2502 wpa_s->own_scan_running, 2503 data ? data->scan_info.external_scan : 0); 2504 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 2505 wpa_s->manual_scan_use_id && wpa_s->own_scan_running && 2506 own_request && !(data && data->scan_info.external_scan)) { 2507 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u", 2508 wpa_s->manual_scan_id); 2509 wpa_s->manual_scan_use_id = 0; 2510 } else { 2511 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); 2512 } 2513 wpas_notify_scan_results(wpa_s); 2514 2515 wpas_notify_scan_done(wpa_s, 1); 2516 2517 if (ap) { 2518 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); 2519 #ifdef CONFIG_AP 2520 if (wpa_s->ap_iface->scan_cb) 2521 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); 2522 #endif /* CONFIG_AP */ 2523 goto scan_work_done; 2524 } 2525 2526 if (data && data->scan_info.external_scan) { 2527 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection"); 2528 wpa_scan_results_free(scan_res); 2529 return 0; 2530 } 2531 2532 if (wnm_scan_process(wpa_s, false) > 0) 2533 goto scan_work_done; 2534 2535 if (sme_proc_obss_scan(wpa_s) > 0) 2536 goto scan_work_done; 2537 2538 #ifndef CONFIG_NO_RRM 2539 if (own_request && data && 2540 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0) 2541 goto scan_work_done; 2542 #endif /* CONFIG_NO_RRM */ 2543 2544 if (ml_link_probe_scan(wpa_s)) 2545 goto scan_work_done; 2546 2547 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) 2548 goto scan_work_done; 2549 2550 if (autoscan_notify_scan(wpa_s, scan_res)) 2551 goto scan_work_done; 2552 2553 if (wpa_s->disconnected) { 2554 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 2555 goto scan_work_done; 2556 } 2557 2558 if (!wpas_driver_bss_selection(wpa_s) && 2559 bgscan_notify_scan(wpa_s, scan_res) == 1) 2560 goto scan_work_done; 2561 2562 wpas_wps_update_ap_info(wpa_s, scan_res); 2563 2564 if (wpa_s->wpa_state >= WPA_AUTHENTICATING && 2565 wpa_s->wpa_state < WPA_COMPLETED) 2566 goto scan_work_done; 2567 2568 wpa_scan_results_free(scan_res); 2569 2570 if (own_request && wpa_s->scan_work) { 2571 struct wpa_radio_work *work = wpa_s->scan_work; 2572 wpa_s->scan_work = NULL; 2573 radio_work_done(work); 2574 } 2575 2576 os_free(wpa_s->last_scan_freqs); 2577 wpa_s->last_scan_freqs = NULL; 2578 wpa_s->num_last_scan_freqs = 0; 2579 if (own_request && data && 2580 data->scan_info.freqs && data->scan_info.num_freqs) { 2581 wpa_s->last_scan_freqs = os_malloc(sizeof(int) * 2582 data->scan_info.num_freqs); 2583 if (wpa_s->last_scan_freqs) { 2584 os_memcpy(wpa_s->last_scan_freqs, 2585 data->scan_info.freqs, 2586 sizeof(int) * data->scan_info.num_freqs); 2587 wpa_s->num_last_scan_freqs = data->scan_info.num_freqs; 2588 } 2589 } 2590 2591 if (wpa_s->supp_pbc_active && !wpas_wps_partner_link_scan_done(wpa_s)) 2592 return ret; 2593 2594 return wpas_select_network_from_last_scan(wpa_s, 1, own_request, 2595 trigger_6ghz_scan, data); 2596 2597 scan_work_done: 2598 wpa_scan_results_free(scan_res); 2599 if (own_request && wpa_s->scan_work) { 2600 struct wpa_radio_work *work = wpa_s->scan_work; 2601 wpa_s->scan_work = NULL; 2602 radio_work_done(work); 2603 } 2604 return ret; 2605 } 2606 2607 2608 static int wpas_trigger_6ghz_scan(struct wpa_supplicant *wpa_s, 2609 union wpa_event_data *data) 2610 { 2611 struct wpa_driver_scan_params params; 2612 unsigned int j; 2613 2614 wpa_dbg(wpa_s, MSG_INFO, "Triggering 6GHz-only scan"); 2615 os_memset(¶ms, 0, sizeof(params)); 2616 params.non_coloc_6ghz = wpa_s->last_scan_non_coloc_6ghz; 2617 for (j = 0; j < data->scan_info.num_ssids; j++) 2618 params.ssids[j] = data->scan_info.ssids[j]; 2619 params.num_ssids = data->scan_info.num_ssids; 2620 wpa_add_scan_freqs_list(wpa_s, HOSTAPD_MODE_IEEE80211A, ¶ms, 2621 true, !wpa_s->last_scan_non_coloc_6ghz, false); 2622 if (!wpa_supplicant_trigger_scan(wpa_s, ¶ms, true, true)) { 2623 os_free(params.freqs); 2624 return 1; 2625 } 2626 wpa_dbg(wpa_s, MSG_INFO, "Failed to trigger 6GHz-only scan"); 2627 os_free(params.freqs); 2628 return 0; 2629 } 2630 2631 2632 /** 2633 * Select a network from the last scan 2634 * @wpa_s: Pointer to wpa_supplicant data 2635 * @new_scan: Whether this function was called right after a scan has finished 2636 * @own_request: Whether the scan was requested by this interface 2637 * @trigger_6ghz_scan: Whether to trigger a 6ghz-only scan when applicable 2638 * @data: Scan data from scan that finished if applicable 2639 * 2640 * See _wpa_supplicant_event_scan_results() for return values. 2641 */ 2642 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 2643 int new_scan, int own_request, 2644 bool trigger_6ghz_scan, 2645 union wpa_event_data *data) 2646 { 2647 struct wpa_bss *selected; 2648 struct wpa_ssid *ssid = NULL; 2649 int time_to_reenable = wpas_reenabled_network_time(wpa_s); 2650 2651 if (time_to_reenable > 0) { 2652 wpa_dbg(wpa_s, MSG_DEBUG, 2653 "Postpone network selection by %d seconds since all networks are disabled", 2654 time_to_reenable); 2655 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 2656 eloop_register_timeout(time_to_reenable, 0, 2657 wpas_network_reenabled, wpa_s, NULL); 2658 return 0; 2659 } 2660 2661 if (wpa_s->p2p_mgmt) 2662 return 0; /* no normal connection on p2p_mgmt interface */ 2663 2664 wpa_s->owe_transition_search = 0; 2665 #ifdef CONFIG_OWE 2666 os_free(wpa_s->owe_trans_scan_freq); 2667 wpa_s->owe_trans_scan_freq = NULL; 2668 #endif /* CONFIG_OWE */ 2669 selected = wpa_supplicant_pick_network(wpa_s, &ssid); 2670 2671 #ifdef CONFIG_MESH 2672 if (wpa_s->ifmsh) { 2673 wpa_msg(wpa_s, MSG_INFO, 2674 "Avoiding join because we already joined a mesh group"); 2675 return 0; 2676 } 2677 #endif /* CONFIG_MESH */ 2678 2679 if (selected) { 2680 int skip; 2681 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); 2682 if (skip) { 2683 if (new_scan) 2684 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2685 return 0; 2686 } 2687 2688 wpa_s->suitable_network++; 2689 2690 if (ssid != wpa_s->current_ssid && 2691 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 2692 wpa_s->own_disconnect_req = 1; 2693 wpa_supplicant_deauthenticate( 2694 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2695 } 2696 2697 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { 2698 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); 2699 return -1; 2700 } 2701 wpa_s->supp_pbc_active = false; 2702 2703 if (new_scan) 2704 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2705 /* 2706 * Do not allow other virtual radios to trigger operations based 2707 * on these scan results since we do not want them to start 2708 * other associations at the same time. 2709 */ 2710 return 1; 2711 } else { 2712 wpa_s->no_suitable_network++; 2713 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); 2714 ssid = wpa_supplicant_pick_new_network(wpa_s); 2715 if (ssid) { 2716 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); 2717 wpa_supplicant_associate(wpa_s, NULL, ssid); 2718 if (new_scan) 2719 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2720 } else if (own_request) { 2721 if (wpa_s->support_6ghz && trigger_6ghz_scan && data && 2722 wpas_trigger_6ghz_scan(wpa_s, data) < 0) 2723 return 1; 2724 2725 /* 2726 * No SSID found. If SCAN results are as a result of 2727 * own scan request and not due to a scan request on 2728 * another shared interface, try another scan. 2729 */ 2730 int timeout_sec = wpa_s->scan_interval; 2731 int timeout_usec = 0; 2732 #ifdef CONFIG_P2P 2733 int res; 2734 2735 res = wpas_p2p_scan_no_go_seen(wpa_s); 2736 if (res == 2) 2737 return 2; 2738 if (res == 1) 2739 return 0; 2740 2741 if (wpas_p2p_retry_limit_exceeded(wpa_s)) 2742 return 0; 2743 2744 if (wpa_s->p2p_in_provisioning || 2745 wpa_s->show_group_started || 2746 wpa_s->p2p_in_invitation) { 2747 /* 2748 * Use shorter wait during P2P Provisioning 2749 * state and during P2P join-a-group operation 2750 * to speed up group formation. 2751 */ 2752 timeout_sec = 0; 2753 timeout_usec = 250000; 2754 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2755 timeout_usec); 2756 return 0; 2757 } 2758 #endif /* CONFIG_P2P */ 2759 #ifdef CONFIG_INTERWORKING 2760 if (wpa_s->conf->auto_interworking && 2761 wpa_s->conf->interworking && 2762 wpa_s->conf->cred) { 2763 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " 2764 "start ANQP fetch since no matching " 2765 "networks found"); 2766 wpa_s->network_select = 1; 2767 wpa_s->auto_network_select = 1; 2768 interworking_start_fetch_anqp(wpa_s); 2769 return 1; 2770 } 2771 #endif /* CONFIG_INTERWORKING */ 2772 #ifdef CONFIG_WPS 2773 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) { 2774 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing"); 2775 timeout_sec = 0; 2776 timeout_usec = 500000; 2777 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2778 timeout_usec); 2779 return 0; 2780 } 2781 #endif /* CONFIG_WPS */ 2782 #ifdef CONFIG_OWE 2783 if (wpa_s->owe_transition_search) { 2784 wpa_dbg(wpa_s, MSG_DEBUG, 2785 "OWE: Use shorter wait during transition mode search"); 2786 timeout_sec = 0; 2787 timeout_usec = 500000; 2788 if (wpa_s->owe_trans_scan_freq) { 2789 os_free(wpa_s->next_scan_freqs); 2790 wpa_s->next_scan_freqs = 2791 wpa_s->owe_trans_scan_freq; 2792 wpa_s->owe_trans_scan_freq = NULL; 2793 timeout_usec = 100000; 2794 } 2795 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2796 timeout_usec); 2797 return 0; 2798 } 2799 #endif /* CONFIG_OWE */ 2800 if (wpa_supplicant_req_sched_scan(wpa_s)) 2801 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2802 timeout_usec); 2803 2804 wpa_msg_ctrl(wpa_s, MSG_INFO, 2805 WPA_EVENT_NETWORK_NOT_FOUND); 2806 } 2807 } 2808 return 0; 2809 } 2810 2811 2812 static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 2813 union wpa_event_data *data) 2814 { 2815 struct wpa_supplicant *ifs; 2816 int res; 2817 2818 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0); 2819 if (res == 2) { 2820 /* 2821 * Interface may have been removed, so must not dereference 2822 * wpa_s after this. 2823 */ 2824 return 1; 2825 } 2826 2827 if (res < 0) { 2828 /* 2829 * If no scan results could be fetched, then no need to 2830 * notify those interfaces that did not actually request 2831 * this scan. Similarly, if scan results started a new operation on this 2832 * interface, do not notify other interfaces to avoid concurrent 2833 * operations during a connection attempt. 2834 */ 2835 return 0; 2836 } 2837 2838 /* 2839 * Check other interfaces to see if they share the same radio. If 2840 * so, they get updated with this same scan info. 2841 */ 2842 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 2843 radio_list) { 2844 if (ifs != wpa_s) { 2845 wpa_printf(MSG_DEBUG, "%s: Updating scan results from " 2846 "sibling", ifs->ifname); 2847 res = _wpa_supplicant_event_scan_results(ifs, data, 0, 2848 res > 0); 2849 if (res < 0) 2850 return 0; 2851 } 2852 } 2853 2854 return 0; 2855 } 2856 2857 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2858 2859 2860 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) 2861 { 2862 #ifdef CONFIG_NO_SCAN_PROCESSING 2863 return -1; 2864 #else /* CONFIG_NO_SCAN_PROCESSING */ 2865 struct os_reltime now; 2866 2867 wpa_s->ignore_post_flush_scan_res = 0; 2868 2869 if (wpa_s->last_scan_res_used == 0) 2870 return -1; 2871 2872 os_get_reltime(&now); 2873 if (os_reltime_expired(&now, &wpa_s->last_scan, 2874 wpa_s->conf->scan_res_valid_for_connect)) { 2875 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); 2876 return -1; 2877 } else if (wpa_s->crossed_6ghz_dom) { 2878 wpa_printf(MSG_DEBUG, "Fast associate: Crossed 6 GHz domain"); 2879 return -1; 2880 } 2881 2882 return wpas_select_network_from_last_scan(wpa_s, 0, 1, false, NULL); 2883 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2884 } 2885 2886 2887 int wpa_wps_supplicant_fast_associate(struct wpa_supplicant *wpa_s) 2888 { 2889 #ifdef CONFIG_NO_SCAN_PROCESSING 2890 return -1; 2891 #else /* CONFIG_NO_SCAN_PROCESSING */ 2892 return wpas_select_network_from_last_scan(wpa_s, 1, 1, false, NULL); 2893 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2894 } 2895 2896 2897 #ifdef CONFIG_WNM 2898 2899 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) 2900 { 2901 struct wpa_supplicant *wpa_s = eloop_ctx; 2902 2903 if (wpa_s->wpa_state < WPA_ASSOCIATED) 2904 return; 2905 2906 if (!wpa_s->no_keep_alive) { 2907 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, 2908 MAC2STR(wpa_s->bssid)); 2909 /* TODO: could skip this if normal data traffic has been sent */ 2910 /* TODO: Consider using some more appropriate data frame for 2911 * this */ 2912 if (wpa_s->l2) 2913 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, 2914 (u8 *) "", 0); 2915 } 2916 2917 #ifdef CONFIG_SME 2918 if (wpa_s->sme.bss_max_idle_period) { 2919 unsigned int msec; 2920 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ 2921 if (msec > 100) 2922 msec -= 100; 2923 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2924 wnm_bss_keep_alive, wpa_s, NULL); 2925 } 2926 #endif /* CONFIG_SME */ 2927 } 2928 2929 2930 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, 2931 const u8 *ies, size_t ies_len) 2932 { 2933 struct ieee802_11_elems elems; 2934 2935 if (ies == NULL) 2936 return; 2937 2938 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 2939 return; 2940 2941 #ifdef CONFIG_SME 2942 if (elems.bss_max_idle_period) { 2943 unsigned int msec; 2944 wpa_s->sme.bss_max_idle_period = 2945 WPA_GET_LE16(elems.bss_max_idle_period); 2946 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " 2947 "TU)%s", wpa_s->sme.bss_max_idle_period, 2948 (elems.bss_max_idle_period[2] & 0x01) ? 2949 " (protected keep-live required)" : ""); 2950 if (wpa_s->sme.bss_max_idle_period == 0) 2951 wpa_s->sme.bss_max_idle_period = 1; 2952 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 2953 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2954 /* msec times 1000 */ 2955 msec = wpa_s->sme.bss_max_idle_period * 1024; 2956 if (msec > 100) 2957 msec -= 100; 2958 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2959 wnm_bss_keep_alive, wpa_s, 2960 NULL); 2961 } 2962 } else { 2963 wpa_s->sme.bss_max_idle_period = 0; 2964 } 2965 #endif /* CONFIG_SME */ 2966 } 2967 2968 #endif /* CONFIG_WNM */ 2969 2970 2971 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) 2972 { 2973 #ifdef CONFIG_WNM 2974 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2975 #endif /* CONFIG_WNM */ 2976 } 2977 2978 2979 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map, 2980 size_t len) 2981 { 2982 int res; 2983 2984 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len); 2985 res = wpa_drv_set_qos_map(wpa_s, qos_map, len); 2986 if (res) { 2987 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver"); 2988 } 2989 2990 return res; 2991 } 2992 2993 2994 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s, 2995 const u8 *ies, size_t ies_len) 2996 { 2997 struct ieee802_11_elems elems; 2998 2999 if (ies == NULL) 3000 return; 3001 3002 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 3003 return; 3004 3005 if (elems.qos_map_set) { 3006 wpas_qos_map_set(wpa_s, elems.qos_map_set, 3007 elems.qos_map_set_len); 3008 } 3009 } 3010 3011 3012 static void wpa_supplicant_set_4addr_mode(struct wpa_supplicant *wpa_s) 3013 { 3014 if (wpa_s->enabled_4addr_mode) { 3015 wpa_printf(MSG_DEBUG, "4addr mode already set"); 3016 return; 3017 } 3018 3019 if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) { 3020 wpa_msg(wpa_s, MSG_ERROR, "Failed to set 4addr mode"); 3021 goto fail; 3022 } 3023 wpa_s->enabled_4addr_mode = 1; 3024 wpa_msg(wpa_s, MSG_INFO, "Successfully set 4addr mode"); 3025 return; 3026 3027 fail: 3028 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); 3029 } 3030 3031 3032 static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s, 3033 const u8 *ies, size_t ies_len) 3034 { 3035 struct ieee802_11_elems elems; 3036 struct multi_ap_params multi_ap; 3037 u16 status; 3038 3039 wpa_s->multi_ap_ie = 0; 3040 3041 if (!ies || 3042 ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed || 3043 !elems.multi_ap) 3044 return; 3045 3046 status = check_multi_ap_ie(elems.multi_ap + 4, elems.multi_ap_len - 4, 3047 &multi_ap); 3048 if (status != WLAN_STATUS_SUCCESS) 3049 return; 3050 3051 wpa_s->multi_ap_backhaul = !!(multi_ap.capability & 3052 MULTI_AP_BACKHAUL_BSS); 3053 wpa_s->multi_ap_fronthaul = !!(multi_ap.capability & 3054 MULTI_AP_FRONTHAUL_BSS); 3055 wpa_s->multi_ap_ie = 1; 3056 } 3057 3058 3059 static void multi_ap_set_4addr_mode(struct wpa_supplicant *wpa_s) 3060 { 3061 if (!wpa_s->current_ssid || 3062 !wpa_s->current_ssid->multi_ap_backhaul_sta) 3063 return; 3064 3065 if (!wpa_s->multi_ap_ie) { 3066 wpa_printf(MSG_INFO, 3067 "AP does not include valid Multi-AP element"); 3068 goto fail; 3069 } 3070 3071 if (!wpa_s->multi_ap_backhaul) { 3072 if (wpa_s->multi_ap_fronthaul && 3073 wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 3074 wpa_printf(MSG_INFO, 3075 "WPS active, accepting fronthaul-only BSS"); 3076 /* Don't set 4addr mode in this case, so just return */ 3077 return; 3078 } 3079 wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS"); 3080 goto fail; 3081 } 3082 3083 wpa_supplicant_set_4addr_mode(wpa_s); 3084 return; 3085 3086 fail: 3087 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); 3088 } 3089 3090 3091 #ifdef CONFIG_FST 3092 static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s, 3093 const u8 *ie, size_t ie_len) 3094 { 3095 struct mb_ies_info mb_ies; 3096 3097 if (!ie || !ie_len || !wpa_s->fst) 3098 return -ENOENT; 3099 3100 os_memset(&mb_ies, 0, sizeof(mb_ies)); 3101 3102 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) { 3103 size_t len; 3104 3105 len = 2 + ie[1]; 3106 if (len > ie_len) { 3107 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found", 3108 ie, ie_len); 3109 break; 3110 } 3111 3112 if (ie[0] == WLAN_EID_MULTI_BAND) { 3113 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found", 3114 (unsigned int) len); 3115 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2; 3116 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2; 3117 mb_ies.nof_ies++; 3118 } 3119 3120 ie_len -= len; 3121 ie += len; 3122 } 3123 3124 if (mb_ies.nof_ies > 0) { 3125 wpabuf_free(wpa_s->received_mb_ies); 3126 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies); 3127 return 0; 3128 } 3129 3130 return -ENOENT; 3131 } 3132 #endif /* CONFIG_FST */ 3133 3134 3135 static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s, 3136 union wpa_event_data *data) 3137 { 3138 int sel; 3139 const u8 *p; 3140 int l, len; 3141 bool found = false; 3142 struct wpa_ie_data ie; 3143 struct wpa_ssid *ssid = wpa_s->current_ssid; 3144 struct wpa_bss *bss = wpa_s->current_bss; 3145 int pmf; 3146 3147 if (!ssid) 3148 return 0; 3149 3150 p = data->assoc_info.req_ies; 3151 l = data->assoc_info.req_ies_len; 3152 3153 while (p && l >= 2) { 3154 len = p[1] + 2; 3155 if (len > l) { 3156 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 3157 p, l); 3158 break; 3159 } 3160 if (((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 3161 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 3162 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && 3163 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || 3164 (p[0] == WLAN_EID_RSN && p[1] >= 2))) { 3165 found = true; 3166 break; 3167 } 3168 l -= len; 3169 p += len; 3170 } 3171 3172 if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) { 3173 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV, 0); 3174 return 0; 3175 } 3176 3177 wpa_hexdump(MSG_DEBUG, 3178 "WPA: Update cipher suite selection based on IEs in driver-generated WPA/RSNE in AssocReq", 3179 p, l); 3180 3181 /* Update proto from (Re)Association Request frame info */ 3182 wpa_s->wpa_proto = ie.proto; 3183 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, wpa_s->wpa_proto); 3184 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 3185 !!(wpa_s->wpa_proto & 3186 (WPA_PROTO_RSN | WPA_PROTO_OSEN))); 3187 3188 /* Update AKMP suite from (Re)Association Request frame info */ 3189 sel = ie.key_mgmt; 3190 if (ssid->key_mgmt) 3191 sel &= ssid->key_mgmt; 3192 3193 wpa_dbg(wpa_s, MSG_DEBUG, 3194 "WPA: AP key_mgmt 0x%x network key_mgmt 0x%x; available key_mgmt 0x%x", 3195 ie.key_mgmt, ssid->key_mgmt, sel); 3196 if (ie.key_mgmt && !sel) { 3197 wpa_supplicant_deauthenticate( 3198 wpa_s, WLAN_REASON_AKMP_NOT_VALID); 3199 return -1; 3200 } 3201 3202 #ifdef CONFIG_OCV 3203 if (((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) || 3204 (wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OCV)) && ssid->ocv) 3205 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV, 3206 !!(ie.capabilities & WPA_CAPABILITY_OCVC)); 3207 #endif /* CONFIG_OCV */ 3208 3209 /* 3210 * Update PMK in wpa_sm and the driver if roamed to WPA/WPA2 PSK from a 3211 * different AKM. 3212 */ 3213 if (wpa_s->key_mgmt != ie.key_mgmt && 3214 wpa_key_mgmt_wpa_psk_no_sae(ie.key_mgmt)) { 3215 if (!ssid->psk_set) { 3216 wpa_dbg(wpa_s, MSG_INFO, 3217 "No PSK available for association"); 3218 wpas_auth_failed(wpa_s, "NO_PSK_AVAILABLE", NULL); 3219 return -1; 3220 } 3221 3222 wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL, NULL); 3223 if (wpa_s->conf->key_mgmt_offload && 3224 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD) && 3225 wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, 3226 ssid->psk, PMK_LEN, KEY_FLAG_PMK)) 3227 wpa_dbg(wpa_s, MSG_ERROR, 3228 "WPA: Cannot set PMK for key management offload"); 3229 } 3230 3231 wpa_s->key_mgmt = ie.key_mgmt; 3232 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); 3233 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT %s and proto %d", 3234 wpa_key_mgmt_txt(wpa_s->key_mgmt, wpa_s->wpa_proto), 3235 wpa_s->wpa_proto); 3236 3237 /* Update pairwise cipher from (Re)Association Request frame info */ 3238 sel = ie.pairwise_cipher; 3239 if (ssid->pairwise_cipher) 3240 sel &= ssid->pairwise_cipher; 3241 3242 wpa_dbg(wpa_s, MSG_DEBUG, 3243 "WPA: AP pairwise cipher 0x%x network pairwise cipher 0x%x; available pairwise cipher 0x%x", 3244 ie.pairwise_cipher, ssid->pairwise_cipher, sel); 3245 if (ie.pairwise_cipher && !sel) { 3246 wpa_supplicant_deauthenticate( 3247 wpa_s, WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID); 3248 return -1; 3249 } 3250 3251 wpa_s->pairwise_cipher = ie.pairwise_cipher; 3252 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, 3253 wpa_s->pairwise_cipher); 3254 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", 3255 wpa_cipher_txt(wpa_s->pairwise_cipher)); 3256 3257 /* Update other parameters based on AP's WPA IE/RSNE, if available */ 3258 if (!bss) { 3259 wpa_dbg(wpa_s, MSG_DEBUG, 3260 "WPA: current_bss == NULL - skip AP IE check"); 3261 return 0; 3262 } 3263 3264 /* Update GTK and IGTK from AP's RSNE */ 3265 found = false; 3266 3267 if (wpa_s->wpa_proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) { 3268 const u8 *bss_rsn; 3269 3270 bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 3271 if (bss_rsn) { 3272 p = bss_rsn; 3273 len = 2 + bss_rsn[1]; 3274 found = true; 3275 } 3276 } else if (wpa_s->wpa_proto & WPA_PROTO_WPA) { 3277 const u8 *bss_wpa; 3278 3279 bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 3280 if (bss_wpa) { 3281 p = bss_wpa; 3282 len = 2 + bss_wpa[1]; 3283 found = true; 3284 } 3285 } 3286 3287 if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) 3288 return 0; 3289 3290 pmf = wpas_get_ssid_pmf(wpa_s, ssid); 3291 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 3292 pmf == MGMT_FRAME_PROTECTION_REQUIRED) { 3293 /* AP does not support MFP, local configuration requires it */ 3294 wpa_supplicant_deauthenticate( 3295 wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB); 3296 return -1; 3297 } 3298 if ((ie.capabilities & WPA_CAPABILITY_MFPR) && 3299 pmf == NO_MGMT_FRAME_PROTECTION) { 3300 /* AP requires MFP, local configuration disables it */ 3301 wpa_supplicant_deauthenticate( 3302 wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB); 3303 return -1; 3304 } 3305 3306 /* Update PMF from local configuration now that MFP validation was done 3307 * above */ 3308 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, pmf); 3309 3310 /* Update GTK from AP's RSNE */ 3311 sel = ie.group_cipher; 3312 if (ssid->group_cipher) 3313 sel &= ssid->group_cipher; 3314 3315 wpa_dbg(wpa_s, MSG_DEBUG, 3316 "WPA: AP group cipher 0x%x network group cipher 0x%x; available group cipher 0x%x", 3317 ie.group_cipher, ssid->group_cipher, sel); 3318 if (ie.group_cipher && !sel) { 3319 wpa_supplicant_deauthenticate( 3320 wpa_s, WLAN_REASON_GROUP_CIPHER_NOT_VALID); 3321 return -1; 3322 } 3323 3324 wpa_s->group_cipher = ie.group_cipher; 3325 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); 3326 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", 3327 wpa_cipher_txt(wpa_s->group_cipher)); 3328 3329 /* Update IGTK from AP RSN IE */ 3330 sel = ie.mgmt_group_cipher; 3331 if (ssid->group_mgmt_cipher) 3332 sel &= ssid->group_mgmt_cipher; 3333 3334 wpa_dbg(wpa_s, MSG_DEBUG, 3335 "WPA: AP mgmt_group_cipher 0x%x network mgmt_group_cipher 0x%x; available mgmt_group_cipher 0x%x", 3336 ie.mgmt_group_cipher, ssid->group_mgmt_cipher, sel); 3337 3338 if (pmf == NO_MGMT_FRAME_PROTECTION || 3339 !(ie.capabilities & WPA_CAPABILITY_MFPC)) { 3340 wpa_dbg(wpa_s, MSG_DEBUG, 3341 "WPA: STA/AP is not MFP capable; AP RSNE caps 0x%x", 3342 ie.capabilities); 3343 ie.mgmt_group_cipher = 0; 3344 } 3345 3346 if (ie.mgmt_group_cipher && !sel) { 3347 wpa_supplicant_deauthenticate( 3348 wpa_s, WLAN_REASON_CIPHER_SUITE_REJECTED); 3349 return -1; 3350 } 3351 3352 wpa_s->mgmt_group_cipher = ie.mgmt_group_cipher; 3353 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, 3354 wpa_s->mgmt_group_cipher); 3355 if (wpa_s->mgmt_group_cipher) 3356 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher %s", 3357 wpa_cipher_txt(wpa_s->mgmt_group_cipher)); 3358 else 3359 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); 3360 3361 return 0; 3362 } 3363 3364 3365 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, 3366 union wpa_event_data *data) 3367 { 3368 int l, len, found = 0, found_x = 0, wpa_found, rsn_found; 3369 const u8 *p; 3370 u8 bssid[ETH_ALEN]; 3371 bool bssid_known; 3372 3373 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); 3374 wpa_s->ssid_verified = false; 3375 wpa_s->bigtk_set = false; 3376 #ifdef CONFIG_SAE 3377 #ifdef CONFIG_SME 3378 /* SAE H2E binds the SSID into PT and that verifies the SSID 3379 * implicitly. */ 3380 if (wpa_s->sme.sae.state == SAE_ACCEPTED && wpa_s->sme.sae.h2e) 3381 wpa_s->ssid_verified = true; 3382 #endif /* CONFIG_SME */ 3383 #endif /* CONFIG_SAE */ 3384 bssid_known = wpa_drv_get_bssid(wpa_s, bssid) == 0; 3385 if (data->assoc_info.req_ies) 3386 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, 3387 data->assoc_info.req_ies_len); 3388 if (data->assoc_info.resp_ies) { 3389 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, 3390 data->assoc_info.resp_ies_len); 3391 #ifdef CONFIG_TDLS 3392 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, 3393 data->assoc_info.resp_ies_len); 3394 #endif /* CONFIG_TDLS */ 3395 #ifdef CONFIG_WNM 3396 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 3397 data->assoc_info.resp_ies_len); 3398 #endif /* CONFIG_WNM */ 3399 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 3400 data->assoc_info.resp_ies_len); 3401 if (wpa_s->hw_capab == CAPAB_VHT && 3402 get_ie(data->assoc_info.resp_ies, 3403 data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP)) 3404 wpa_s->ieee80211ac = 1; 3405 3406 multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 3407 data->assoc_info.resp_ies_len); 3408 } 3409 if (data->assoc_info.beacon_ies) 3410 wpa_hexdump(MSG_DEBUG, "beacon_ies", 3411 data->assoc_info.beacon_ies, 3412 data->assoc_info.beacon_ies_len); 3413 if (data->assoc_info.freq) 3414 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", 3415 data->assoc_info.freq); 3416 3417 wpa_s->connection_set = 0; 3418 if (data->assoc_info.req_ies && data->assoc_info.resp_ies) { 3419 struct ieee802_11_elems req_elems, resp_elems; 3420 3421 if (ieee802_11_parse_elems(data->assoc_info.req_ies, 3422 data->assoc_info.req_ies_len, 3423 &req_elems, 0) != ParseFailed && 3424 ieee802_11_parse_elems(data->assoc_info.resp_ies, 3425 data->assoc_info.resp_ies_len, 3426 &resp_elems, 0) != ParseFailed) { 3427 wpa_s->connection_set = 1; 3428 wpa_s->connection_ht = req_elems.ht_capabilities && 3429 resp_elems.ht_capabilities; 3430 /* Do not include subset of VHT on 2.4 GHz vendor 3431 * extension in consideration for reporting VHT 3432 * association. */ 3433 wpa_s->connection_vht = req_elems.vht_capabilities && 3434 resp_elems.vht_capabilities && 3435 (!data->assoc_info.freq || 3436 wpas_freq_to_band(data->assoc_info.freq) != 3437 BAND_2_4_GHZ); 3438 wpa_s->connection_he = req_elems.he_capabilities && 3439 resp_elems.he_capabilities; 3440 wpa_s->connection_eht = req_elems.eht_capabilities && 3441 resp_elems.eht_capabilities; 3442 if (req_elems.rrm_enabled) 3443 wpa_s->rrm.rrm_used = 1; 3444 } 3445 } 3446 3447 p = data->assoc_info.req_ies; 3448 l = data->assoc_info.req_ies_len; 3449 3450 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ 3451 while (p && l >= 2) { 3452 len = p[1] + 2; 3453 if (len > l) { 3454 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 3455 p, l); 3456 break; 3457 } 3458 if (!found && 3459 ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 3460 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 3461 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && 3462 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || 3463 (p[0] == WLAN_EID_RSN && p[1] >= 2))) { 3464 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) 3465 break; 3466 found = 1; 3467 wpa_find_assoc_pmkid(wpa_s, 3468 data->assoc_info.authorized); 3469 } 3470 if (!found_x && p[0] == WLAN_EID_RSNX) { 3471 if (wpa_sm_set_assoc_rsnxe(wpa_s->wpa, p, len)) 3472 break; 3473 found_x = 1; 3474 } 3475 l -= len; 3476 p += len; 3477 } 3478 if (!found && data->assoc_info.req_ies) 3479 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); 3480 if (!found_x && data->assoc_info.req_ies) 3481 wpa_sm_set_assoc_rsnxe(wpa_s->wpa, NULL, 0); 3482 3483 #ifdef CONFIG_FILS 3484 #ifdef CONFIG_SME 3485 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS || 3486 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) { 3487 if (!data->assoc_info.resp_frame || 3488 fils_process_assoc_resp(wpa_s->wpa, 3489 data->assoc_info.resp_frame, 3490 data->assoc_info.resp_frame_len) < 3491 0) { 3492 wpa_supplicant_deauthenticate(wpa_s, 3493 WLAN_REASON_UNSPECIFIED); 3494 return -1; 3495 } 3496 3497 /* FILS use of an AEAD cipher include the SSID element in 3498 * (Re)Association Request frame in the AAD and since the AP 3499 * accepted that, the SSID was verified. */ 3500 wpa_s->ssid_verified = true; 3501 } 3502 #endif /* CONFIG_SME */ 3503 3504 /* Additional processing for FILS when SME is in driver */ 3505 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS && 3506 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 3507 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1); 3508 #endif /* CONFIG_FILS */ 3509 3510 #ifdef CONFIG_OWE 3511 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 3512 !(wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OWE_OFFLOAD_STA) && 3513 (!bssid_known || 3514 owe_process_assoc_resp(wpa_s->wpa, 3515 wpa_s->valid_links ? 3516 wpa_s->ap_mld_addr : bssid, 3517 data->assoc_info.resp_ies, 3518 data->assoc_info.resp_ies_len) < 0)) { 3519 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); 3520 return -1; 3521 } 3522 #endif /* CONFIG_OWE */ 3523 3524 #ifdef CONFIG_DPP2 3525 wpa_sm_set_dpp_z(wpa_s->wpa, NULL); 3526 if (DPP_VERSION > 1 && wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && 3527 wpa_s->dpp_pfs) { 3528 struct ieee802_11_elems elems; 3529 3530 if (ieee802_11_parse_elems(data->assoc_info.resp_ies, 3531 data->assoc_info.resp_ies_len, 3532 &elems, 0) == ParseFailed || 3533 !elems.owe_dh) 3534 goto no_pfs; 3535 if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh, 3536 elems.owe_dh_len) < 0) { 3537 wpa_supplicant_deauthenticate(wpa_s, 3538 WLAN_REASON_UNSPECIFIED); 3539 return -1; 3540 } 3541 3542 wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret); 3543 } 3544 no_pfs: 3545 #endif /* CONFIG_DPP2 */ 3546 3547 #ifdef CONFIG_IEEE80211R 3548 #ifdef CONFIG_SME 3549 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { 3550 if (!bssid_known || 3551 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 3552 data->assoc_info.resp_ies, 3553 data->assoc_info.resp_ies_len, 3554 bssid) < 0) { 3555 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 3556 "Reassociation Response failed"); 3557 wpa_supplicant_deauthenticate( 3558 wpa_s, WLAN_REASON_INVALID_IE); 3559 return -1; 3560 } 3561 /* SSID is included in PMK-R0 derivation, so it is verified 3562 * implicitly. */ 3563 wpa_s->ssid_verified = true; 3564 } 3565 3566 p = data->assoc_info.resp_ies; 3567 l = data->assoc_info.resp_ies_len; 3568 3569 #ifdef CONFIG_WPS_STRICT 3570 if (p && wpa_s->current_ssid && 3571 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { 3572 struct wpabuf *wps; 3573 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); 3574 if (wps == NULL) { 3575 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " 3576 "include WPS IE in (Re)Association Response"); 3577 return -1; 3578 } 3579 3580 if (wps_validate_assoc_resp(wps) < 0) { 3581 wpabuf_free(wps); 3582 wpa_supplicant_deauthenticate( 3583 wpa_s, WLAN_REASON_INVALID_IE); 3584 return -1; 3585 } 3586 wpabuf_free(wps); 3587 } 3588 #endif /* CONFIG_WPS_STRICT */ 3589 3590 /* Go through the IEs and make a copy of the MDIE, if present. */ 3591 while (p && l >= 2) { 3592 len = p[1] + 2; 3593 if (len > l) { 3594 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 3595 p, l); 3596 break; 3597 } 3598 if (p[0] == WLAN_EID_MOBILITY_DOMAIN && 3599 p[1] >= MOBILITY_DOMAIN_ID_LEN) { 3600 wpa_s->sme.ft_used = 1; 3601 os_memcpy(wpa_s->sme.mobility_domain, p + 2, 3602 MOBILITY_DOMAIN_ID_LEN); 3603 break; 3604 } 3605 l -= len; 3606 p += len; 3607 } 3608 #endif /* CONFIG_SME */ 3609 3610 /* Process FT when SME is in the driver */ 3611 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 3612 wpa_ft_is_completed(wpa_s->wpa)) { 3613 if (!bssid_known || 3614 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 3615 data->assoc_info.resp_ies, 3616 data->assoc_info.resp_ies_len, 3617 bssid) < 0) { 3618 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 3619 "Reassociation Response failed"); 3620 wpa_supplicant_deauthenticate( 3621 wpa_s, WLAN_REASON_INVALID_IE); 3622 return -1; 3623 } 3624 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); 3625 /* SSID is included in PMK-R0 derivation, so it is verified 3626 * implicitly. */ 3627 wpa_s->ssid_verified = true; 3628 } 3629 3630 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, 3631 data->assoc_info.resp_ies_len); 3632 #endif /* CONFIG_IEEE80211R */ 3633 3634 #ifndef CONFIG_NO_ROBUST_AV 3635 if (bssid_known) 3636 wpas_handle_assoc_resp_mscs(wpa_s, bssid, 3637 data->assoc_info.resp_ies, 3638 data->assoc_info.resp_ies_len); 3639 #endif /* CONFIG_NO_ROBUST_AV */ 3640 3641 /* WPA/RSN IE from Beacon/ProbeResp */ 3642 p = data->assoc_info.beacon_ies; 3643 l = data->assoc_info.beacon_ies_len; 3644 3645 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. 3646 */ 3647 wpa_found = rsn_found = 0; 3648 while (p && l >= 2) { 3649 len = p[1] + 2; 3650 if (len > l) { 3651 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", 3652 p, l); 3653 break; 3654 } 3655 if (!wpa_found && 3656 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 3657 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { 3658 wpa_found = 1; 3659 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); 3660 } 3661 3662 if (!rsn_found && 3663 p[0] == WLAN_EID_RSN && p[1] >= 2) { 3664 rsn_found = 1; 3665 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); 3666 } 3667 3668 if (p[0] == WLAN_EID_RSNX && p[1] >= 1) 3669 wpa_sm_set_ap_rsnxe(wpa_s->wpa, p, len); 3670 3671 l -= len; 3672 p += len; 3673 } 3674 3675 if (!wpa_found && data->assoc_info.beacon_ies) 3676 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); 3677 if (!rsn_found && data->assoc_info.beacon_ies) { 3678 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); 3679 wpa_sm_set_ap_rsnxe(wpa_s->wpa, NULL, 0); 3680 } 3681 if (wpa_found || rsn_found) 3682 wpa_s->ap_ies_from_associnfo = 1; 3683 3684 if (wpa_s->assoc_freq && data->assoc_info.freq) { 3685 struct wpa_bss *bss; 3686 unsigned int freq = 0; 3687 3688 if (bssid_known) { 3689 bss = wpa_bss_get_bssid_latest(wpa_s, bssid); 3690 if (bss) 3691 freq = bss->freq; 3692 } 3693 if (freq != data->assoc_info.freq) { 3694 wpa_printf(MSG_DEBUG, 3695 "Operating frequency changed from %u to %u MHz", 3696 wpa_s->assoc_freq, data->assoc_info.freq); 3697 wpa_supplicant_update_scan_results(wpa_s, bssid); 3698 } 3699 } 3700 3701 wpa_s->assoc_freq = data->assoc_info.freq; 3702 3703 #ifndef CONFIG_NO_ROBUST_AV 3704 wpas_handle_assoc_resp_qos_mgmt(wpa_s, data->assoc_info.resp_ies, 3705 data->assoc_info.resp_ies_len); 3706 #endif /* CONFIG_NO_ROBUST_AV */ 3707 3708 return 0; 3709 } 3710 3711 3712 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) 3713 { 3714 const u8 *bss_wpa = NULL, *bss_rsn = NULL, *bss_rsnx = NULL; 3715 3716 if (!wpa_s->current_bss || !wpa_s->current_ssid) 3717 return -1; 3718 3719 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) 3720 return 0; 3721 3722 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, 3723 WPA_IE_VENDOR_TYPE); 3724 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); 3725 bss_rsnx = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSNX); 3726 3727 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, 3728 bss_wpa ? 2 + bss_wpa[1] : 0) || 3729 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, 3730 bss_rsn ? 2 + bss_rsn[1] : 0) || 3731 wpa_sm_set_ap_rsnxe(wpa_s->wpa, bss_rsnx, 3732 bss_rsnx ? 2 + bss_rsnx[1] : 0)) 3733 return -1; 3734 3735 return 0; 3736 } 3737 3738 3739 static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s, 3740 union wpa_event_data *data) 3741 { 3742 #ifdef CONFIG_FST 3743 struct assoc_info *ai = data ? &data->assoc_info : NULL; 3744 struct wpa_bss *bss = wpa_s->current_bss; 3745 const u8 *ieprb, *iebcn; 3746 3747 wpabuf_free(wpa_s->received_mb_ies); 3748 wpa_s->received_mb_ies = NULL; 3749 3750 if (ai && 3751 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) { 3752 wpa_printf(MSG_DEBUG, 3753 "FST: MB IEs updated from Association Response frame"); 3754 return; 3755 } 3756 3757 if (ai && 3758 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) { 3759 wpa_printf(MSG_DEBUG, 3760 "FST: MB IEs updated from association event Beacon IEs"); 3761 return; 3762 } 3763 3764 if (!bss) 3765 return; 3766 3767 ieprb = wpa_bss_ie_ptr(bss); 3768 iebcn = ieprb + bss->ie_len; 3769 3770 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len)) 3771 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE"); 3772 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len)) 3773 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE"); 3774 #endif /* CONFIG_FST */ 3775 } 3776 3777 3778 static unsigned int wpas_ml_parse_assoc(struct wpa_supplicant *wpa_s, 3779 struct ieee802_11_elems *elems, 3780 struct ml_sta_link_info *ml_info) 3781 { 3782 struct wpabuf *mlbuf; 3783 struct ieee80211_eht_ml *ml; 3784 size_t ml_len; 3785 struct eht_ml_basic_common_info *common_info; 3786 const u8 *pos; 3787 u16 eml_capa = 0, mld_capa = 0; 3788 const u16 control = 3789 host_to_le16(MULTI_LINK_CONTROL_TYPE_BASIC | 3790 BASIC_MULTI_LINK_CTRL_PRES_LINK_ID | 3791 BASIC_MULTI_LINK_CTRL_PRES_BSS_PARAM_CH_COUNT); 3792 u8 expected_common_info_len = 9; 3793 unsigned int i = 0; 3794 u16 ml_control; 3795 3796 if (!wpa_s->valid_links || !elems->basic_mle || !elems->basic_mle_len) 3797 return 0; 3798 3799 mlbuf = ieee802_11_defrag(elems->basic_mle, elems->basic_mle_len, true); 3800 if (!mlbuf) 3801 return 0; 3802 3803 ml = (struct ieee80211_eht_ml *) wpabuf_head(mlbuf); 3804 ml_len = wpabuf_len(mlbuf); 3805 if (ml_len < sizeof(*ml)) 3806 goto out; 3807 3808 os_memset(ml_info, 0, sizeof(*ml_info) * MAX_NUM_MLD_LINKS); 3809 3810 ml_control = le_to_host16(ml->ml_control); 3811 3812 if ((ml_control & control) != control) { 3813 wpa_printf(MSG_DEBUG, "MLD: Invalid presence BM=0x%x", 3814 ml_control); 3815 goto out; 3816 } 3817 3818 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) { 3819 wpa_printf(MSG_DEBUG, "MLD: EML capabilities included"); 3820 expected_common_info_len += 2; 3821 } 3822 3823 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) { 3824 wpa_printf(MSG_DEBUG, "MLD: MLD capabilities included"); 3825 expected_common_info_len += 2; 3826 } 3827 3828 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO) { 3829 wpa_printf(MSG_DEBUG, 3830 "MLD: Unexpected: medium sync delay info present"); 3831 expected_common_info_len += 2; 3832 } 3833 3834 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_AP_MLD_ID) { 3835 wpa_printf(MSG_DEBUG, 3836 "MLD: Unexpected: MLD ID present"); 3837 expected_common_info_len++; 3838 } 3839 3840 if (sizeof(*ml) + expected_common_info_len > ml_len) { 3841 wpa_printf(MSG_DEBUG, 3842 "MLD: Not enough bytes for common info. ml_len=%zu", 3843 ml_len); 3844 goto out; 3845 } 3846 3847 common_info = (struct eht_ml_basic_common_info *) ml->variable; 3848 if (common_info->len != expected_common_info_len) { 3849 wpa_printf(MSG_DEBUG, 3850 "MLD: Invalid common info len=%u. expected=%u", 3851 common_info->len, expected_common_info_len); 3852 goto out; 3853 } 3854 3855 wpa_printf(MSG_DEBUG, "MLD: address: " MACSTR, 3856 MAC2STR(common_info->mld_addr)); 3857 3858 if (!ether_addr_equal(wpa_s->ap_mld_addr, common_info->mld_addr)) { 3859 wpa_printf(MSG_DEBUG, "MLD: Mismatching MLD address (expected " 3860 MACSTR ")", MAC2STR(wpa_s->ap_mld_addr)); 3861 goto out; 3862 } 3863 3864 pos = common_info->variable; 3865 3866 /* Store the information for the association link */ 3867 ml_info[i].link_id = *pos; 3868 pos++; 3869 3870 /* Skip the BSS Parameters Change Count */ 3871 pos++; 3872 3873 /* Skip the Medium Synchronization Delay Information if present */ 3874 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO) 3875 pos += 2; 3876 3877 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) { 3878 eml_capa = WPA_GET_LE16(pos); 3879 pos += 2; 3880 } 3881 3882 if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) { 3883 mld_capa = WPA_GET_LE16(pos); 3884 pos += 2; 3885 } 3886 3887 wpa_printf(MSG_DEBUG, 3888 "MLD: link_id=%u, eml=0x%x, mld=0x%x", 3889 ml_info[i].link_id, eml_capa, mld_capa); 3890 3891 i++; 3892 3893 pos = ((u8 *) common_info) + common_info->len; 3894 ml_len -= sizeof(*ml) + common_info->len; 3895 while (ml_len > 2 && i < MAX_NUM_MLD_LINKS) { 3896 u8 sub_elem_len = pos[1]; 3897 u8 sta_info_len; 3898 u8 nstr_bitmap_len = 0; 3899 u16 ctrl; 3900 const u8 *end; 3901 3902 wpa_printf(MSG_DEBUG, "MLD: Subelement len=%u", sub_elem_len); 3903 3904 if (sub_elem_len > ml_len - 2) { 3905 wpa_printf(MSG_DEBUG, 3906 "MLD: Invalid link info len: %u > %zu", 3907 2 + sub_elem_len, ml_len); 3908 goto out; 3909 } 3910 3911 switch (*pos) { 3912 case EHT_ML_SUB_ELEM_PER_STA_PROFILE: 3913 break; 3914 case EHT_ML_SUB_ELEM_FRAGMENT: 3915 case EHT_ML_SUB_ELEM_VENDOR: 3916 wpa_printf(MSG_DEBUG, 3917 "MLD: Skip subelement id=%u, len=%u", 3918 *pos, sub_elem_len); 3919 pos += 2 + sub_elem_len; 3920 ml_len -= 2 + sub_elem_len; 3921 continue; 3922 default: 3923 wpa_printf(MSG_DEBUG, "MLD: Unknown subelement ID=%u", 3924 *pos); 3925 goto out; 3926 } 3927 3928 end = pos + 2 + sub_elem_len; 3929 3930 /* Skip the subelement ID and the length */ 3931 pos += 2; 3932 ml_len -= 2; 3933 3934 if (end - pos < 2) 3935 goto out; 3936 3937 /* Get the station control field */ 3938 ctrl = WPA_GET_LE16(pos); 3939 3940 pos += 2; 3941 ml_len -= 2; 3942 3943 if (!(ctrl & EHT_PER_STA_CTRL_COMPLETE_PROFILE_MSK)) { 3944 wpa_printf(MSG_DEBUG, 3945 "MLD: Per STA complete profile expected"); 3946 goto out; 3947 } 3948 3949 if (!(ctrl & EHT_PER_STA_CTRL_MAC_ADDR_PRESENT_MSK)) { 3950 wpa_printf(MSG_DEBUG, 3951 "MLD: Per STA MAC address not present"); 3952 goto out; 3953 } 3954 3955 if (!(ctrl & EHT_PER_STA_CTRL_TSF_OFFSET_PRESENT_MSK)) { 3956 wpa_printf(MSG_DEBUG, 3957 "MLD: Per STA TSF offset not present"); 3958 goto out; 3959 } 3960 3961 if (!(ctrl & EHT_PER_STA_CTRL_BEACON_INTERVAL_PRESENT_MSK)) { 3962 wpa_printf(MSG_DEBUG, 3963 "MLD: Beacon interval not present"); 3964 goto out; 3965 } 3966 3967 if (!(ctrl & EHT_PER_STA_CTRL_DTIM_INFO_PRESENT_MSK)) { 3968 wpa_printf(MSG_DEBUG, 3969 "MLD: DTIM information not present"); 3970 goto out; 3971 } 3972 3973 if (ctrl & EHT_PER_STA_CTRL_NSTR_LINK_PAIR_PRESENT_MSK) { 3974 if (ctrl & EHT_PER_STA_CTRL_NSTR_BM_SIZE_MSK) 3975 nstr_bitmap_len = 2; 3976 else 3977 nstr_bitmap_len = 1; 3978 } 3979 3980 if (!(ctrl & EHT_PER_STA_CTRL_BSS_PARAM_CNT_PRESENT_MSK)) { 3981 wpa_printf(MSG_DEBUG, 3982 "MLD: BSS params change count not present"); 3983 goto out; 3984 } 3985 3986 sta_info_len = 1 + ETH_ALEN + 8 + 2 + 2 + 1 + nstr_bitmap_len; 3987 if (sta_info_len > ml_len || sta_info_len > end - pos || 3988 sta_info_len + 2 > sub_elem_len || 3989 sta_info_len != *pos) { 3990 wpa_printf(MSG_DEBUG, 3991 "MLD: Invalid STA info len=%u, len=%u", 3992 sta_info_len, *pos); 3993 goto out; 3994 } 3995 3996 /* Get the link address */ 3997 wpa_printf(MSG_DEBUG, 3998 "MLD: link addr: " MACSTR " nstr BM len=%u", 3999 MAC2STR(pos + 1), nstr_bitmap_len); 4000 4001 ml_info[i].link_id = ctrl & EHT_PER_STA_CTRL_LINK_ID_MSK; 4002 os_memcpy(ml_info[i].bssid, pos + 1, ETH_ALEN); 4003 4004 pos += sta_info_len; 4005 ml_len -= sta_info_len; 4006 4007 wpa_printf(MSG_DEBUG, "MLD: sub_elem_len=%u, sta_info_len=%u", 4008 sub_elem_len, sta_info_len); 4009 4010 sub_elem_len -= sta_info_len + 2; 4011 if (sub_elem_len < 4) { 4012 wpa_printf(MSG_DEBUG, "MLD: Per STA profile too short"); 4013 goto out; 4014 } 4015 4016 wpa_hexdump(MSG_MSGDUMP, "MLD: STA profile", pos, sub_elem_len); 4017 ml_info[i].status = WPA_GET_LE16(pos + 2); 4018 4019 pos += sub_elem_len; 4020 ml_len -= sub_elem_len; 4021 4022 i++; 4023 } 4024 4025 wpabuf_free(mlbuf); 4026 return i; 4027 out: 4028 wpabuf_free(mlbuf); 4029 return 0; 4030 } 4031 4032 4033 static int wpa_drv_get_mlo_info(struct wpa_supplicant *wpa_s) 4034 { 4035 struct driver_sta_mlo_info mlo; 4036 int i; 4037 4038 os_memset(&mlo, 0, sizeof(mlo)); 4039 if (wpas_drv_get_sta_mlo_info(wpa_s, &mlo)) { 4040 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO link info"); 4041 wpa_supplicant_deauthenticate(wpa_s, 4042 WLAN_REASON_DEAUTH_LEAVING); 4043 return -1; 4044 } 4045 4046 if (wpa_s->valid_links == mlo.valid_links) { 4047 bool match = true; 4048 4049 if (!mlo.valid_links) 4050 return 0; 4051 4052 for_each_link(mlo.valid_links, i) { 4053 if (!ether_addr_equal(wpa_s->links[i].addr, 4054 mlo.links[i].addr) || 4055 !ether_addr_equal(wpa_s->links[i].bssid, 4056 mlo.links[i].bssid)) { 4057 match = false; 4058 break; 4059 } 4060 } 4061 4062 if (match && wpa_s->mlo_assoc_link_id == mlo.assoc_link_id && 4063 ether_addr_equal(wpa_s->ap_mld_addr, mlo.ap_mld_addr)) 4064 return 0; 4065 } 4066 4067 wpa_s->valid_links = mlo.valid_links; 4068 wpa_s->mlo_assoc_link_id = mlo.assoc_link_id; 4069 os_memcpy(wpa_s->ap_mld_addr, mlo.ap_mld_addr, ETH_ALEN); 4070 for_each_link(wpa_s->valid_links, i) { 4071 os_memcpy(wpa_s->links[i].addr, mlo.links[i].addr, ETH_ALEN); 4072 os_memcpy(wpa_s->links[i].bssid, mlo.links[i].bssid, ETH_ALEN); 4073 wpa_s->links[i].freq = mlo.links[i].freq; 4074 wpa_supplicant_update_link_bss(wpa_s, i, mlo.links[i].bssid); 4075 } 4076 4077 return 0; 4078 } 4079 4080 4081 static int wpa_sm_set_ml_info(struct wpa_supplicant *wpa_s) 4082 { 4083 struct driver_sta_mlo_info drv_mlo; 4084 struct wpa_sm_mlo wpa_mlo; 4085 const u8 *bss_rsn = NULL, *bss_rsnx = NULL; 4086 int i; 4087 4088 os_memset(&drv_mlo, 0, sizeof(drv_mlo)); 4089 if (wpas_drv_get_sta_mlo_info(wpa_s, &drv_mlo)) { 4090 wpa_dbg(wpa_s, MSG_INFO, "Failed to get MLO link info"); 4091 return -1; 4092 } 4093 4094 os_memset(&wpa_mlo, 0, sizeof(wpa_mlo)); 4095 if (!drv_mlo.valid_links) 4096 goto out; 4097 4098 os_memcpy(wpa_mlo.ap_mld_addr, drv_mlo.ap_mld_addr, ETH_ALEN); 4099 wpa_mlo.assoc_link_id = drv_mlo.assoc_link_id; 4100 wpa_mlo.valid_links = drv_mlo.valid_links; 4101 wpa_mlo.req_links = drv_mlo.req_links; 4102 4103 for_each_link(drv_mlo.req_links, i) { 4104 struct wpa_bss *bss; 4105 4106 bss = wpa_supplicant_get_new_bss(wpa_s, drv_mlo.links[i].bssid); 4107 if (!bss) { 4108 wpa_dbg(wpa_s, MSG_INFO, 4109 "Failed to get MLO link %d BSS", i); 4110 return -1; 4111 } 4112 4113 bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 4114 bss_rsnx = wpa_bss_get_ie(bss, WLAN_EID_RSNX); 4115 4116 wpa_mlo.links[i].ap_rsne = bss_rsn ? (u8 *) bss_rsn : NULL; 4117 wpa_mlo.links[i].ap_rsne_len = bss_rsn ? 2 + bss_rsn[1] : 0; 4118 wpa_mlo.links[i].ap_rsnxe = bss_rsnx ? (u8 *) bss_rsnx : NULL; 4119 wpa_mlo.links[i].ap_rsnxe_len = bss_rsnx ? 2 + bss_rsnx[1] : 0; 4120 4121 os_memcpy(wpa_mlo.links[i].bssid, drv_mlo.links[i].bssid, 4122 ETH_ALEN); 4123 os_memcpy(wpa_mlo.links[i].addr, drv_mlo.links[i].addr, 4124 ETH_ALEN); 4125 } 4126 4127 out: 4128 return wpa_sm_set_mlo_params(wpa_s->wpa, &wpa_mlo); 4129 } 4130 4131 4132 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, 4133 union wpa_event_data *data) 4134 { 4135 u8 bssid[ETH_ALEN]; 4136 int ft_completed, already_authorized; 4137 int new_bss = 0; 4138 #if defined(CONFIG_FILS) || defined(CONFIG_MBO) 4139 struct wpa_bss *bss; 4140 #endif /* CONFIG_FILS || CONFIG_MBO */ 4141 4142 #ifdef CONFIG_AP 4143 if (wpa_s->ap_iface) { 4144 if (!data) 4145 return; 4146 hostapd_notif_assoc(wpa_s->ap_iface->bss[0], 4147 data->assoc_info.addr, 4148 data->assoc_info.req_ies, 4149 data->assoc_info.req_ies_len, NULL, 0, 4150 NULL, data->assoc_info.reassoc); 4151 return; 4152 } 4153 #endif /* CONFIG_AP */ 4154 4155 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 4156 wpa_s->own_reconnect_req = 0; 4157 4158 ft_completed = wpa_ft_is_completed(wpa_s->wpa); 4159 4160 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { 4161 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); 4162 wpa_supplicant_deauthenticate( 4163 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 4164 return; 4165 } 4166 4167 if (wpa_drv_get_mlo_info(wpa_s) < 0) { 4168 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO connection info"); 4169 wpa_supplicant_deauthenticate(wpa_s, 4170 WLAN_REASON_DEAUTH_LEAVING); 4171 return; 4172 } 4173 4174 if (ft_completed && 4175 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION)) { 4176 wpa_msg(wpa_s, MSG_INFO, "Attempt to roam to " MACSTR, 4177 MAC2STR(bssid)); 4178 if (!wpa_supplicant_update_current_bss(wpa_s, bssid)) { 4179 wpa_printf(MSG_ERROR, 4180 "Can't find target AP's information!"); 4181 return; 4182 } 4183 wpa_supplicant_assoc_update_ie(wpa_s); 4184 } 4185 4186 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) 4187 return; 4188 /* 4189 * FILS authentication can share the same mechanism to mark the 4190 * connection fully authenticated, so set ft_completed also based on 4191 * FILS result. 4192 */ 4193 if (!ft_completed) 4194 ft_completed = wpa_fils_is_completed(wpa_s->wpa); 4195 4196 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); 4197 if (!ether_addr_equal(bssid, wpa_s->bssid)) { 4198 if (os_reltime_initialized(&wpa_s->session_start)) { 4199 os_reltime_age(&wpa_s->session_start, 4200 &wpa_s->session_length); 4201 wpa_s->session_start.sec = 0; 4202 wpa_s->session_start.usec = 0; 4203 wpas_notify_session_length(wpa_s); 4204 } else { 4205 wpas_notify_auth_changed(wpa_s); 4206 os_get_reltime(&wpa_s->session_start); 4207 } 4208 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" 4209 MACSTR, MAC2STR(bssid)); 4210 new_bss = 1; 4211 random_add_randomness(bssid, ETH_ALEN); 4212 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); 4213 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 4214 wpas_notify_bssid_changed(wpa_s); 4215 4216 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { 4217 wpa_clear_keys(wpa_s, bssid); 4218 } 4219 if (wpa_supplicant_select_config(wpa_s, data) < 0) { 4220 wpa_supplicant_deauthenticate( 4221 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 4222 return; 4223 } 4224 } 4225 4226 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 4227 data && wpa_supplicant_use_own_rsne_params(wpa_s, data) < 0) 4228 return; 4229 4230 multi_ap_set_4addr_mode(wpa_s); 4231 4232 if (wpa_s->conf->ap_scan == 1 && 4233 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { 4234 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss) 4235 wpa_msg(wpa_s, MSG_WARNING, 4236 "WPA/RSN IEs not updated"); 4237 } 4238 4239 wpas_fst_update_mb_assoc(wpa_s, data); 4240 4241 #ifdef CONFIG_SME 4242 /* 4243 * Cache the current AP's BSSID (for non-MLO connection) or MLD address 4244 * (for MLO connection) as the previous BSSID for subsequent 4245 * reassociation requests handled by SME-in-wpa_supplicant. 4246 */ 4247 os_memcpy(wpa_s->sme.prev_bssid, 4248 wpa_s->valid_links ? wpa_s->ap_mld_addr : bssid, ETH_ALEN); 4249 wpa_s->sme.prev_bssid_set = 1; 4250 wpa_s->sme.last_unprot_disconnect.sec = 0; 4251 #endif /* CONFIG_SME */ 4252 4253 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); 4254 if (wpa_s->current_ssid) { 4255 /* When using scanning (ap_scan=1), SIM PC/SC interface can be 4256 * initialized before association, but for other modes, 4257 * initialize PC/SC here, if the current configuration needs 4258 * smartcard or SIM/USIM. */ 4259 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); 4260 } 4261 wpa_sm_notify_assoc(wpa_s->wpa, bssid); 4262 4263 if (wpa_sm_set_ml_info(wpa_s)) { 4264 wpa_dbg(wpa_s, MSG_INFO, 4265 "Failed to set MLO connection info to wpa_sm"); 4266 wpa_supplicant_deauthenticate(wpa_s, 4267 WLAN_REASON_DEAUTH_LEAVING); 4268 return; 4269 } 4270 4271 if (wpa_s->l2) 4272 l2_packet_notify_auth_start(wpa_s->l2); 4273 4274 already_authorized = data && data->assoc_info.authorized; 4275 4276 /* 4277 * Set portEnabled first to false in order to get EAP state machine out 4278 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE 4279 * state machine may transit to AUTHENTICATING state based on obsolete 4280 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to 4281 * AUTHENTICATED without ever giving chance to EAP state machine to 4282 * reset the state. 4283 */ 4284 if (!ft_completed && !already_authorized) { 4285 eapol_sm_notify_portEnabled(wpa_s->eapol, false); 4286 eapol_sm_notify_portValid(wpa_s->eapol, false); 4287 } 4288 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 4289 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || 4290 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed || 4291 already_authorized || wpa_s->drv_authorized_port) 4292 eapol_sm_notify_eap_success(wpa_s->eapol, false); 4293 /* 802.1X::portControl = Auto */ 4294 eapol_sm_notify_portEnabled(wpa_s->eapol, true); 4295 wpa_s->eapol_received = 0; 4296 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 4297 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || 4298 (wpa_s->current_ssid && 4299 wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) { 4300 if (wpa_s->current_ssid && 4301 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE && 4302 (wpa_s->drv_flags & 4303 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 4304 /* 4305 * Set the key after having received joined-IBSS event 4306 * from the driver. 4307 */ 4308 wpa_supplicant_set_wpa_none_key(wpa_s, 4309 wpa_s->current_ssid); 4310 } 4311 wpa_supplicant_cancel_auth_timeout(wpa_s); 4312 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 4313 } else if (!ft_completed) { 4314 /* Timeout for receiving the first EAPOL packet */ 4315 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); 4316 } 4317 wpa_supplicant_cancel_scan(wpa_s); 4318 4319 if (ft_completed) { 4320 /* 4321 * FT protocol completed - make sure EAPOL state machine ends 4322 * up in authenticated. 4323 */ 4324 wpa_supplicant_cancel_auth_timeout(wpa_s); 4325 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 4326 eapol_sm_notify_portValid(wpa_s->eapol, true); 4327 eapol_sm_notify_eap_success(wpa_s->eapol, true); 4328 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) && 4329 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { 4330 if (already_authorized) { 4331 /* 4332 * We are done; the driver will take care of RSN 4-way 4333 * handshake. 4334 */ 4335 wpa_supplicant_cancel_auth_timeout(wpa_s); 4336 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 4337 eapol_sm_notify_portValid(wpa_s->eapol, true); 4338 eapol_sm_notify_eap_success(wpa_s->eapol, true); 4339 } else { 4340 /* Update port, WPA_COMPLETED state from the 4341 * EVENT_PORT_AUTHORIZED handler when the driver is done 4342 * with the 4-way handshake. 4343 */ 4344 wpa_msg(wpa_s, MSG_DEBUG, 4345 "ASSOC INFO: wait for driver port authorized indication"); 4346 } 4347 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) && 4348 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { 4349 /* 4350 * The driver will take care of RSN 4-way handshake, so we need 4351 * to allow EAPOL supplicant to complete its work without 4352 * waiting for WPA supplicant. 4353 */ 4354 eapol_sm_notify_portValid(wpa_s->eapol, true); 4355 } 4356 4357 wpa_s->last_eapol_matches_bssid = 0; 4358 4359 #ifdef CONFIG_TESTING_OPTIONS 4360 if (wpa_s->rsne_override_eapol) { 4361 wpa_printf(MSG_DEBUG, 4362 "TESTING: RSNE EAPOL-Key msg 2/4 override"); 4363 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, 4364 wpabuf_head(wpa_s->rsne_override_eapol), 4365 wpabuf_len(wpa_s->rsne_override_eapol)); 4366 } 4367 if (wpa_s->rsnxe_override_eapol) { 4368 wpa_printf(MSG_DEBUG, 4369 "TESTING: RSNXE EAPOL-Key msg 2/4 override"); 4370 wpa_sm_set_assoc_rsnxe(wpa_s->wpa, 4371 wpabuf_head(wpa_s->rsnxe_override_eapol), 4372 wpabuf_len(wpa_s->rsnxe_override_eapol)); 4373 } 4374 #endif /* CONFIG_TESTING_OPTIONS */ 4375 4376 if (wpa_s->pending_eapol_rx) { 4377 struct os_reltime now, age; 4378 os_get_reltime(&now); 4379 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age); 4380 if (age.sec == 0 && age.usec < 200000 && 4381 ether_addr_equal(wpa_s->pending_eapol_rx_src, 4382 wpa_s->valid_links ? wpa_s->ap_mld_addr : 4383 bssid)) { 4384 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " 4385 "frame that was received just before " 4386 "association notification"); 4387 wpa_supplicant_rx_eapol( 4388 wpa_s, wpa_s->pending_eapol_rx_src, 4389 wpabuf_head(wpa_s->pending_eapol_rx), 4390 wpabuf_len(wpa_s->pending_eapol_rx), 4391 wpa_s->pending_eapol_encrypted); 4392 } 4393 wpabuf_free(wpa_s->pending_eapol_rx); 4394 wpa_s->pending_eapol_rx = NULL; 4395 } 4396 4397 #ifdef CONFIG_WEP 4398 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 4399 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 4400 wpa_s->current_ssid && 4401 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 4402 /* Set static WEP keys again */ 4403 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); 4404 } 4405 #endif /* CONFIG_WEP */ 4406 4407 #ifdef CONFIG_IBSS_RSN 4408 if (wpa_s->current_ssid && 4409 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 4410 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && 4411 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && 4412 wpa_s->ibss_rsn == NULL) { 4413 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid); 4414 if (!wpa_s->ibss_rsn) { 4415 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); 4416 wpa_supplicant_deauthenticate( 4417 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 4418 return; 4419 } 4420 4421 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); 4422 } 4423 #endif /* CONFIG_IBSS_RSN */ 4424 4425 wpas_wps_notify_assoc(wpa_s, bssid); 4426 4427 #ifndef CONFIG_NO_WMM_AC 4428 if (data) { 4429 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies, 4430 data->assoc_info.resp_ies_len, 4431 &data->assoc_info.wmm_params); 4432 4433 if (wpa_s->reassoc_same_bss) 4434 wmm_ac_restore_tspecs(wpa_s); 4435 } 4436 #endif /* CONFIG_NO_WMM_AC */ 4437 4438 #if defined(CONFIG_FILS) || defined(CONFIG_MBO) 4439 bss = wpa_bss_get_bssid(wpa_s, bssid); 4440 #endif /* CONFIG_FILS || CONFIG_MBO */ 4441 #ifdef CONFIG_FILS 4442 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) { 4443 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 4444 4445 if (fils_cache_id) 4446 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id); 4447 } 4448 #endif /* CONFIG_FILS */ 4449 4450 #ifdef CONFIG_MBO 4451 wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid); 4452 #endif /* CONFIG_MBO */ 4453 4454 #ifdef CONFIG_DPP2 4455 wpa_s->dpp_pfs_fallback = 0; 4456 #endif /* CONFIG_DPP2 */ 4457 4458 if (wpa_s->current_ssid && wpa_s->current_ssid->enable_4addr_mode) 4459 wpa_supplicant_set_4addr_mode(wpa_s); 4460 } 4461 4462 4463 static int disconnect_reason_recoverable(u16 reason_code) 4464 { 4465 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || 4466 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || 4467 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; 4468 } 4469 4470 4471 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, 4472 u16 reason_code, 4473 int locally_generated) 4474 { 4475 const u8 *bssid; 4476 4477 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 4478 /* 4479 * At least Host AP driver and a Prism3 card seemed to be 4480 * generating streams of disconnected events when configuring 4481 * IBSS for WPA-None. Ignore them for now. 4482 */ 4483 return; 4484 } 4485 4486 bssid = wpa_s->bssid; 4487 if (is_zero_ether_addr(bssid)) 4488 bssid = wpa_s->pending_bssid; 4489 4490 if (!is_zero_ether_addr(bssid) || 4491 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 4492 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR 4493 " reason=%d%s", 4494 MAC2STR(bssid), reason_code, 4495 locally_generated ? " locally_generated=1" : ""); 4496 } 4497 } 4498 4499 4500 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, 4501 int locally_generated) 4502 { 4503 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || 4504 !wpa_s->new_connection || 4505 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 4506 wpa_key_mgmt_sae(wpa_s->key_mgmt)) 4507 return 0; /* Not in initial 4-way handshake with PSK */ 4508 4509 /* 4510 * It looks like connection was lost while trying to go through PSK 4511 * 4-way handshake. Filter out known disconnection cases that are caused 4512 * by something else than PSK mismatch to avoid confusing reports. 4513 */ 4514 4515 if (locally_generated) { 4516 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) 4517 return 0; 4518 } 4519 4520 return 1; 4521 } 4522 4523 4524 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, 4525 u16 reason_code, 4526 int locally_generated) 4527 { 4528 const u8 *bssid; 4529 struct wpa_bss *fast_reconnect = NULL; 4530 struct wpa_ssid *fast_reconnect_ssid = NULL; 4531 struct wpa_bss *curr = NULL; 4532 4533 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 4534 /* 4535 * At least Host AP driver and a Prism3 card seemed to be 4536 * generating streams of disconnected events when configuring 4537 * IBSS for WPA-None. Ignore them for now. 4538 */ 4539 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " 4540 "IBSS/WPA-None mode"); 4541 return; 4542 } 4543 4544 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING && 4545 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY && 4546 locally_generated) 4547 /* 4548 * Remove the inactive AP (which is probably out of range) from 4549 * the BSS list after marking disassociation. In particular 4550 * mac80211-based drivers use the 4551 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in 4552 * locally generated disconnection events for cases where the 4553 * AP does not reply anymore. 4554 */ 4555 curr = wpa_s->current_bss; 4556 4557 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { 4558 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " 4559 "pre-shared key may be incorrect"); 4560 if (wpas_p2p_4way_hs_failed(wpa_s) > 0) 4561 return; /* P2P group removed */ 4562 wpas_auth_failed(wpa_s, "WRONG_KEY", wpa_s->pending_bssid); 4563 wpas_notify_psk_mismatch(wpa_s); 4564 #ifdef CONFIG_DPP2 4565 wpas_dpp_send_conn_status_result(wpa_s, 4566 DPP_STATUS_AUTH_FAILURE); 4567 #endif /* CONFIG_DPP2 */ 4568 } 4569 if (!wpa_s->disconnected && 4570 (!wpa_s->auto_reconnect_disabled || 4571 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS || 4572 wpas_wps_searching(wpa_s) || 4573 wpas_wps_reenable_networks_pending(wpa_s))) { 4574 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " 4575 "reconnect (wps=%d/%d wpa_state=%d)", 4576 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, 4577 wpas_wps_searching(wpa_s), 4578 wpa_s->wpa_state); 4579 if (wpa_s->wpa_state == WPA_COMPLETED && 4580 wpa_s->current_ssid && 4581 wpa_s->current_ssid->mode == WPAS_MODE_INFRA && 4582 (wpa_s->own_reconnect_req || 4583 (!locally_generated && 4584 disconnect_reason_recoverable(reason_code)))) { 4585 /* 4586 * It looks like the AP has dropped association with 4587 * us, but could allow us to get back in. This is also 4588 * triggered for cases where local reconnection request 4589 * is used to force reassociation with the same BSS. 4590 * Try to reconnect to the same BSS without a full scan 4591 * to save time for some common cases. 4592 */ 4593 fast_reconnect = wpa_s->current_bss; 4594 fast_reconnect_ssid = wpa_s->current_ssid; 4595 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) { 4596 wpa_supplicant_req_scan(wpa_s, 0, 100000); 4597 } else { 4598 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " 4599 "immediate scan"); 4600 } 4601 } else { 4602 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " 4603 "try to re-connect"); 4604 wpa_s->reassociate = 0; 4605 wpa_s->disconnected = 1; 4606 if (!wpa_s->pno) 4607 wpa_supplicant_cancel_sched_scan(wpa_s); 4608 } 4609 bssid = wpa_s->bssid; 4610 if (is_zero_ether_addr(bssid)) 4611 bssid = wpa_s->pending_bssid; 4612 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) 4613 wpas_connection_failed(wpa_s, bssid, NULL); 4614 wpa_sm_notify_disassoc(wpa_s->wpa); 4615 ptksa_cache_flush(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE); 4616 4617 if (locally_generated) 4618 wpa_s->disconnect_reason = -reason_code; 4619 else 4620 wpa_s->disconnect_reason = reason_code; 4621 wpas_notify_disconnect_reason(wpa_s); 4622 if (wpa_supplicant_dynamic_keys(wpa_s)) { 4623 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); 4624 wpa_clear_keys(wpa_s, wpa_s->bssid); 4625 } 4626 wpa_supplicant_mark_disassoc(wpa_s); 4627 4628 if (curr) 4629 wpa_bss_remove(wpa_s, curr, "Connection to AP lost"); 4630 4631 if (fast_reconnect && 4632 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) && 4633 !disallowed_bssid(wpa_s, fast_reconnect->bssid) && 4634 !disallowed_ssid(wpa_s, fast_reconnect->ssid, 4635 fast_reconnect->ssid_len) && 4636 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) && 4637 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) { 4638 #ifndef CONFIG_NO_SCAN_PROCESSING 4639 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); 4640 if (wpa_supplicant_connect(wpa_s, fast_reconnect, 4641 fast_reconnect_ssid) < 0) { 4642 /* Recover through full scan */ 4643 wpa_supplicant_req_scan(wpa_s, 0, 100000); 4644 } 4645 #endif /* CONFIG_NO_SCAN_PROCESSING */ 4646 } else if (fast_reconnect) { 4647 /* 4648 * Could not reconnect to the same BSS due to network being 4649 * disabled. Use a new scan to match the alternative behavior 4650 * above, i.e., to continue automatic reconnection attempt in a 4651 * way that enforces disabled network rules. 4652 */ 4653 wpa_supplicant_req_scan(wpa_s, 0, 100000); 4654 } 4655 } 4656 4657 4658 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 4659 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) 4660 { 4661 struct wpa_supplicant *wpa_s = eloop_ctx; 4662 4663 if (!wpa_s->pending_mic_error_report) 4664 return; 4665 4666 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); 4667 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); 4668 wpa_s->pending_mic_error_report = 0; 4669 } 4670 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 4671 4672 4673 static void 4674 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, 4675 union wpa_event_data *data) 4676 { 4677 int pairwise; 4678 struct os_reltime t; 4679 4680 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); 4681 pairwise = (data && data->michael_mic_failure.unicast); 4682 os_get_reltime(&t); 4683 if ((os_reltime_initialized(&wpa_s->last_michael_mic_error) && 4684 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) || 4685 wpa_s->pending_mic_error_report) { 4686 if (wpa_s->pending_mic_error_report) { 4687 /* 4688 * Send the pending MIC error report immediately since 4689 * we are going to start countermeasures and AP better 4690 * do the same. 4691 */ 4692 wpa_sm_key_request(wpa_s->wpa, 1, 4693 wpa_s->pending_mic_error_pairwise); 4694 } 4695 4696 /* Send the new MIC error report immediately since we are going 4697 * to start countermeasures and AP better do the same. 4698 */ 4699 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 4700 4701 /* initialize countermeasures */ 4702 wpa_s->countermeasures = 1; 4703 4704 wpa_bssid_ignore_add(wpa_s, wpa_s->bssid); 4705 4706 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); 4707 4708 /* 4709 * Need to wait for completion of request frame. We do not get 4710 * any callback for the message completion, so just wait a 4711 * short while and hope for the best. */ 4712 os_sleep(0, 10000); 4713 4714 wpa_drv_set_countermeasures(wpa_s, 1); 4715 wpa_supplicant_deauthenticate(wpa_s, 4716 WLAN_REASON_MICHAEL_MIC_FAILURE); 4717 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, 4718 wpa_s, NULL); 4719 eloop_register_timeout(60, 0, 4720 wpa_supplicant_stop_countermeasures, 4721 wpa_s, NULL); 4722 /* TODO: mark the AP rejected for 60 second. STA is 4723 * allowed to associate with another AP.. */ 4724 } else { 4725 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 4726 if (wpa_s->mic_errors_seen) { 4727 /* 4728 * Reduce the effectiveness of Michael MIC error 4729 * reports as a means for attacking against TKIP if 4730 * more than one MIC failure is noticed with the same 4731 * PTK. We delay the transmission of the reports by a 4732 * random time between 0 and 60 seconds in order to 4733 * force the attacker wait 60 seconds before getting 4734 * the information on whether a frame resulted in a MIC 4735 * failure. 4736 */ 4737 u8 rval[4]; 4738 int sec; 4739 4740 if (os_get_random(rval, sizeof(rval)) < 0) 4741 sec = os_random() % 60; 4742 else 4743 sec = WPA_GET_BE32(rval) % 60; 4744 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " 4745 "report %d seconds", sec); 4746 wpa_s->pending_mic_error_report = 1; 4747 wpa_s->pending_mic_error_pairwise = pairwise; 4748 eloop_cancel_timeout( 4749 wpa_supplicant_delayed_mic_error_report, 4750 wpa_s, NULL); 4751 eloop_register_timeout( 4752 sec, os_random() % 1000000, 4753 wpa_supplicant_delayed_mic_error_report, 4754 wpa_s, NULL); 4755 } else { 4756 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 4757 } 4758 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 4759 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 4760 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 4761 } 4762 wpa_s->last_michael_mic_error = t; 4763 wpa_s->mic_errors_seen++; 4764 } 4765 4766 4767 #ifdef CONFIG_TERMINATE_ONLASTIF 4768 static int any_interfaces(struct wpa_supplicant *head) 4769 { 4770 struct wpa_supplicant *wpa_s; 4771 4772 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) 4773 if (!wpa_s->interface_removed) 4774 return 1; 4775 return 0; 4776 } 4777 #endif /* CONFIG_TERMINATE_ONLASTIF */ 4778 4779 4780 static void 4781 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, 4782 union wpa_event_data *data) 4783 { 4784 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) 4785 return; 4786 4787 switch (data->interface_status.ievent) { 4788 case EVENT_INTERFACE_ADDED: 4789 if (!wpa_s->interface_removed) 4790 break; 4791 wpa_s->interface_removed = 0; 4792 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); 4793 if (wpa_supplicant_driver_init(wpa_s) < 0) { 4794 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " 4795 "driver after interface was added"); 4796 } 4797 4798 #ifdef CONFIG_P2P 4799 if (!wpa_s->global->p2p && 4800 !wpa_s->global->p2p_disabled && 4801 !wpa_s->conf->p2p_disabled && 4802 (wpa_s->drv_flags & 4803 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && 4804 wpas_p2p_add_p2pdev_interface( 4805 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) { 4806 wpa_printf(MSG_INFO, 4807 "P2P: Failed to enable P2P Device interface"); 4808 /* Try to continue without. P2P will be disabled. */ 4809 } 4810 #endif /* CONFIG_P2P */ 4811 4812 break; 4813 case EVENT_INTERFACE_REMOVED: 4814 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); 4815 wpa_s->interface_removed = 1; 4816 wpa_supplicant_mark_disassoc(wpa_s); 4817 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 4818 l2_packet_deinit(wpa_s->l2); 4819 wpa_s->l2 = NULL; 4820 4821 #ifdef CONFIG_P2P 4822 if (wpa_s->global->p2p && 4823 wpa_s->global->p2p_init_wpa_s->parent == wpa_s && 4824 (wpa_s->drv_flags & 4825 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) { 4826 wpa_dbg(wpa_s, MSG_DEBUG, 4827 "Removing P2P Device interface"); 4828 wpa_supplicant_remove_iface( 4829 wpa_s->global, wpa_s->global->p2p_init_wpa_s, 4830 0); 4831 wpa_s->global->p2p_init_wpa_s = NULL; 4832 } 4833 #endif /* CONFIG_P2P */ 4834 4835 #ifdef CONFIG_MATCH_IFACE 4836 if (wpa_s->matched) { 4837 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); 4838 break; 4839 } 4840 #endif /* CONFIG_MATCH_IFACE */ 4841 4842 #ifdef CONFIG_TERMINATE_ONLASTIF 4843 /* check if last interface */ 4844 if (!any_interfaces(wpa_s->global->ifaces)) 4845 eloop_terminate(); 4846 #endif /* CONFIG_TERMINATE_ONLASTIF */ 4847 break; 4848 } 4849 } 4850 4851 4852 #ifdef CONFIG_TDLS 4853 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, 4854 union wpa_event_data *data) 4855 { 4856 if (data == NULL) 4857 return; 4858 switch (data->tdls.oper) { 4859 case TDLS_REQUEST_SETUP: 4860 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); 4861 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 4862 wpa_tdls_start(wpa_s->wpa, data->tdls.peer); 4863 else 4864 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); 4865 break; 4866 case TDLS_REQUEST_TEARDOWN: 4867 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 4868 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, 4869 data->tdls.reason_code); 4870 else 4871 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, 4872 data->tdls.peer); 4873 break; 4874 case TDLS_REQUEST_DISCOVER: 4875 wpa_tdls_send_discovery_request(wpa_s->wpa, 4876 data->tdls.peer); 4877 break; 4878 } 4879 } 4880 #endif /* CONFIG_TDLS */ 4881 4882 4883 #ifdef CONFIG_WNM 4884 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, 4885 union wpa_event_data *data) 4886 { 4887 if (data == NULL) 4888 return; 4889 switch (data->wnm.oper) { 4890 case WNM_OPER_SLEEP: 4891 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " 4892 "(action=%d, intval=%d)", 4893 data->wnm.sleep_action, data->wnm.sleep_intval); 4894 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, 4895 data->wnm.sleep_intval, NULL); 4896 break; 4897 } 4898 } 4899 #endif /* CONFIG_WNM */ 4900 4901 4902 #ifdef CONFIG_IEEE80211R 4903 static void 4904 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, 4905 union wpa_event_data *data) 4906 { 4907 if (data == NULL) 4908 return; 4909 4910 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, 4911 data->ft_ies.ies_len, 4912 data->ft_ies.ft_action, 4913 data->ft_ies.target_ap, 4914 data->ft_ies.ric_ies, 4915 data->ft_ies.ric_ies_len) < 0) { 4916 /* TODO: prevent MLME/driver from trying to associate? */ 4917 } 4918 } 4919 #endif /* CONFIG_IEEE80211R */ 4920 4921 4922 #ifdef CONFIG_IBSS_RSN 4923 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, 4924 union wpa_event_data *data) 4925 { 4926 struct wpa_ssid *ssid; 4927 if (wpa_s->wpa_state < WPA_ASSOCIATED) 4928 return; 4929 if (data == NULL) 4930 return; 4931 ssid = wpa_s->current_ssid; 4932 if (ssid == NULL) 4933 return; 4934 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 4935 return; 4936 4937 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); 4938 } 4939 4940 4941 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s, 4942 union wpa_event_data *data) 4943 { 4944 struct wpa_ssid *ssid = wpa_s->current_ssid; 4945 4946 if (ssid == NULL) 4947 return; 4948 4949 /* check if the ssid is correctly configured as IBSS/RSN */ 4950 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 4951 return; 4952 4953 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame, 4954 data->rx_mgmt.frame_len); 4955 } 4956 #endif /* CONFIG_IBSS_RSN */ 4957 4958 4959 #ifdef CONFIG_IEEE80211R 4960 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, 4961 size_t len) 4962 { 4963 const u8 *sta_addr, *target_ap_addr; 4964 u16 status; 4965 4966 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); 4967 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 4968 return; /* only SME case supported for now */ 4969 if (len < 1 + 2 * ETH_ALEN + 2) 4970 return; 4971 if (data[0] != 2) 4972 return; /* Only FT Action Response is supported for now */ 4973 sta_addr = data + 1; 4974 target_ap_addr = data + 1 + ETH_ALEN; 4975 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); 4976 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " 4977 MACSTR " TargetAP " MACSTR " status %u", 4978 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); 4979 4980 if (!ether_addr_equal(sta_addr, wpa_s->own_addr)) { 4981 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR 4982 " in FT Action Response", MAC2STR(sta_addr)); 4983 return; 4984 } 4985 4986 if (status) { 4987 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " 4988 "failure (status code %d)", status); 4989 /* TODO: report error to FT code(?) */ 4990 return; 4991 } 4992 4993 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, 4994 len - (1 + 2 * ETH_ALEN + 2), 1, 4995 target_ap_addr, NULL, 0) < 0) 4996 return; 4997 4998 #ifdef CONFIG_SME 4999 { 5000 struct wpa_bss *bss; 5001 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); 5002 if (bss) 5003 wpa_s->sme.freq = bss->freq; 5004 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; 5005 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, 5006 WLAN_AUTH_FT); 5007 } 5008 #endif /* CONFIG_SME */ 5009 } 5010 #endif /* CONFIG_IEEE80211R */ 5011 5012 5013 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, 5014 struct unprot_deauth *e) 5015 { 5016 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " 5017 "dropped: " MACSTR " -> " MACSTR 5018 " (reason code %u)", 5019 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 5020 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 5021 } 5022 5023 5024 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, 5025 struct unprot_disassoc *e) 5026 { 5027 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " 5028 "dropped: " MACSTR " -> " MACSTR 5029 " (reason code %u)", 5030 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 5031 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 5032 } 5033 5034 5035 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr, 5036 u16 reason_code, int locally_generated, 5037 const u8 *ie, size_t ie_len, int deauth) 5038 { 5039 #ifdef CONFIG_AP 5040 if (wpa_s->ap_iface && addr) { 5041 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr); 5042 return; 5043 } 5044 5045 if (wpa_s->ap_iface) { 5046 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode"); 5047 return; 5048 } 5049 #endif /* CONFIG_AP */ 5050 5051 if (!locally_generated) 5052 wpa_s->own_disconnect_req = 0; 5053 5054 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated); 5055 5056 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || 5057 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || 5058 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && 5059 eapol_sm_failed(wpa_s->eapol))) && 5060 !wpa_s->eap_expected_failure)) 5061 wpas_auth_failed(wpa_s, "AUTH_FAILED", addr); 5062 5063 #ifdef CONFIG_P2P 5064 if (deauth && reason_code > 0) { 5065 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len, 5066 locally_generated) > 0) { 5067 /* 5068 * The interface was removed, so cannot continue 5069 * processing any additional operations after this. 5070 */ 5071 return; 5072 } 5073 } 5074 #endif /* CONFIG_P2P */ 5075 5076 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, 5077 locally_generated); 5078 } 5079 5080 5081 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s, 5082 struct disassoc_info *info) 5083 { 5084 u16 reason_code = 0; 5085 int locally_generated = 0; 5086 const u8 *addr = NULL; 5087 const u8 *ie = NULL; 5088 size_t ie_len = 0; 5089 5090 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); 5091 5092 if (info) { 5093 addr = info->addr; 5094 ie = info->ie; 5095 ie_len = info->ie_len; 5096 reason_code = info->reason_code; 5097 locally_generated = info->locally_generated; 5098 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code, 5099 reason2str(reason_code), 5100 locally_generated ? " locally_generated=1" : ""); 5101 if (addr) 5102 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 5103 MAC2STR(addr)); 5104 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", 5105 ie, ie_len); 5106 } 5107 5108 #ifdef CONFIG_AP 5109 if (wpa_s->ap_iface && info && info->addr) { 5110 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr); 5111 return; 5112 } 5113 5114 if (wpa_s->ap_iface) { 5115 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode"); 5116 return; 5117 } 5118 #endif /* CONFIG_AP */ 5119 5120 #ifdef CONFIG_P2P 5121 if (info) { 5122 wpas_p2p_disassoc_notif( 5123 wpa_s, info->addr, reason_code, info->ie, info->ie_len, 5124 locally_generated); 5125 } 5126 #endif /* CONFIG_P2P */ 5127 5128 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 5129 sme_event_disassoc(wpa_s, info); 5130 5131 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated, 5132 ie, ie_len, 0); 5133 } 5134 5135 5136 static void wpas_event_deauth(struct wpa_supplicant *wpa_s, 5137 struct deauth_info *info) 5138 { 5139 u16 reason_code = 0; 5140 int locally_generated = 0; 5141 const u8 *addr = NULL; 5142 const u8 *ie = NULL; 5143 size_t ie_len = 0; 5144 5145 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification"); 5146 5147 if (info) { 5148 addr = info->addr; 5149 ie = info->ie; 5150 ie_len = info->ie_len; 5151 reason_code = info->reason_code; 5152 locally_generated = info->locally_generated; 5153 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", 5154 reason_code, reason2str(reason_code), 5155 locally_generated ? " locally_generated=1" : ""); 5156 if (addr) { 5157 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 5158 MAC2STR(addr)); 5159 } 5160 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)", 5161 ie, ie_len); 5162 } 5163 5164 wpa_reset_ft_completed(wpa_s->wpa); 5165 5166 wpas_event_disconnect(wpa_s, addr, reason_code, 5167 locally_generated, ie, ie_len, 1); 5168 } 5169 5170 5171 static const char * reg_init_str(enum reg_change_initiator init) 5172 { 5173 switch (init) { 5174 case REGDOM_SET_BY_CORE: 5175 return "CORE"; 5176 case REGDOM_SET_BY_USER: 5177 return "USER"; 5178 case REGDOM_SET_BY_DRIVER: 5179 return "DRIVER"; 5180 case REGDOM_SET_BY_COUNTRY_IE: 5181 return "COUNTRY_IE"; 5182 case REGDOM_BEACON_HINT: 5183 return "BEACON_HINT"; 5184 } 5185 return "?"; 5186 } 5187 5188 5189 static const char * reg_type_str(enum reg_type type) 5190 { 5191 switch (type) { 5192 case REGDOM_TYPE_UNKNOWN: 5193 return "UNKNOWN"; 5194 case REGDOM_TYPE_COUNTRY: 5195 return "COUNTRY"; 5196 case REGDOM_TYPE_WORLD: 5197 return "WORLD"; 5198 case REGDOM_TYPE_CUSTOM_WORLD: 5199 return "CUSTOM_WORLD"; 5200 case REGDOM_TYPE_INTERSECTION: 5201 return "INTERSECTION"; 5202 } 5203 return "?"; 5204 } 5205 5206 5207 static void wpas_beacon_hint(struct wpa_supplicant *wpa_s, const char *title, 5208 struct frequency_attrs *attrs) 5209 { 5210 if (!attrs->freq) 5211 return; 5212 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REGDOM_BEACON_HINT 5213 "%s freq=%u max_tx_power=%u%s%s%s", 5214 title, attrs->freq, attrs->max_tx_power, 5215 attrs->disabled ? " disabled=1" : "", 5216 attrs->no_ir ? " no_ir=1" : "", 5217 attrs->radar ? " radar=1" : ""); 5218 } 5219 5220 5221 void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s, 5222 struct channel_list_changed *info) 5223 { 5224 struct wpa_supplicant *ifs; 5225 u8 dfs_domain; 5226 5227 /* 5228 * To allow backwards compatibility with higher level layers that 5229 * assumed the REGDOM_CHANGE event is sent over the initially added 5230 * interface. Find the highest parent of this interface and use it to 5231 * send the event. 5232 */ 5233 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent) 5234 ; 5235 5236 if (info) { 5237 wpa_msg(ifs, MSG_INFO, 5238 WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s", 5239 reg_init_str(info->initiator), reg_type_str(info->type), 5240 info->alpha2[0] ? " alpha2=" : "", 5241 info->alpha2[0] ? info->alpha2 : ""); 5242 5243 if (info->initiator == REGDOM_BEACON_HINT) { 5244 wpas_beacon_hint(ifs, "before", 5245 &info->beacon_hint_before); 5246 wpas_beacon_hint(ifs, "after", 5247 &info->beacon_hint_after); 5248 } 5249 } 5250 5251 if (wpa_s->drv_priv == NULL) 5252 return; /* Ignore event during drv initialization */ 5253 5254 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 5255 radio_list) { 5256 bool was_6ghz_enabled; 5257 5258 wpa_printf(MSG_DEBUG, "%s: Updating hw mode", 5259 ifs->ifname); 5260 free_hw_features(ifs); 5261 ifs->hw.modes = wpa_drv_get_hw_feature_data( 5262 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain); 5263 5264 was_6ghz_enabled = ifs->is_6ghz_enabled; 5265 ifs->is_6ghz_enabled = wpas_is_6ghz_supported(ifs, true); 5266 5267 /* Restart PNO/sched_scan with updated channel list */ 5268 if (ifs->pno) { 5269 wpas_stop_pno(ifs); 5270 wpas_start_pno(ifs); 5271 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) { 5272 wpa_dbg(ifs, MSG_DEBUG, 5273 "Channel list changed - restart sched_scan"); 5274 wpas_scan_restart_sched_scan(ifs); 5275 } else if (!was_6ghz_enabled && ifs->is_6ghz_enabled) { 5276 wpa_dbg(ifs, MSG_INFO, 5277 "Channel list changed: 6 GHz was enabled"); 5278 5279 ifs->crossed_6ghz_dom = true; 5280 } 5281 } 5282 5283 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER); 5284 } 5285 5286 5287 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s, 5288 const u8 *frame, size_t len, int freq, 5289 int rssi) 5290 { 5291 const struct ieee80211_mgmt *mgmt; 5292 const u8 *payload; 5293 size_t plen; 5294 u8 category; 5295 5296 if (len < IEEE80211_HDRLEN + 2) 5297 return; 5298 5299 mgmt = (const struct ieee80211_mgmt *) frame; 5300 payload = frame + IEEE80211_HDRLEN; 5301 category = *payload++; 5302 plen = len - IEEE80211_HDRLEN - 1; 5303 5304 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR 5305 " Category=%u DataLen=%d freq=%d MHz", 5306 MAC2STR(mgmt->sa), category, (int) plen, freq); 5307 5308 #ifndef CONFIG_NO_WMM_AC 5309 if (category == WLAN_ACTION_WMM) { 5310 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen); 5311 return; 5312 } 5313 #endif /* CONFIG_NO_WMM_AC */ 5314 5315 #ifdef CONFIG_IEEE80211R 5316 if (category == WLAN_ACTION_FT) { 5317 ft_rx_action(wpa_s, payload, plen); 5318 return; 5319 } 5320 #endif /* CONFIG_IEEE80211R */ 5321 5322 #ifdef CONFIG_SME 5323 if (category == WLAN_ACTION_SA_QUERY) { 5324 sme_sa_query_rx(wpa_s, mgmt->da, mgmt->sa, payload, plen); 5325 return; 5326 } 5327 #endif /* CONFIG_SME */ 5328 5329 #ifdef CONFIG_WNM 5330 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 5331 ieee802_11_rx_wnm_action(wpa_s, mgmt, len); 5332 return; 5333 } 5334 #endif /* CONFIG_WNM */ 5335 5336 #ifdef CONFIG_GAS 5337 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 5338 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 5339 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid, 5340 mgmt->u.action.category, 5341 payload, plen, freq) == 0) 5342 return; 5343 #endif /* CONFIG_GAS */ 5344 5345 #ifdef CONFIG_GAS_SERVER 5346 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 5347 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 5348 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid, 5349 mgmt->u.action.category, 5350 payload, plen, freq) == 0) 5351 return; 5352 #endif /* CONFIG_GAS_SERVER */ 5353 5354 #ifdef CONFIG_TDLS 5355 if (category == WLAN_ACTION_PUBLIC && plen >= 4 && 5356 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { 5357 wpa_dbg(wpa_s, MSG_DEBUG, 5358 "TDLS: Received Discovery Response from " MACSTR, 5359 MAC2STR(mgmt->sa)); 5360 if (wpa_s->valid_links && 5361 wpa_tdls_process_discovery_response(wpa_s->wpa, mgmt->sa, 5362 &payload[1], plen - 1)) 5363 wpa_dbg(wpa_s, MSG_ERROR, 5364 "TDLS: Discovery Response process failed for " 5365 MACSTR, MAC2STR(mgmt->sa)); 5366 return; 5367 } 5368 #endif /* CONFIG_TDLS */ 5369 5370 #ifdef CONFIG_INTERWORKING 5371 if (category == WLAN_ACTION_QOS && plen >= 1 && 5372 payload[0] == QOS_QOS_MAP_CONFIG) { 5373 const u8 *pos = payload + 1; 5374 size_t qlen = plen - 1; 5375 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from " 5376 MACSTR, MAC2STR(mgmt->sa)); 5377 if (ether_addr_equal(mgmt->sa, wpa_s->bssid) && 5378 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET && 5379 pos[1] <= qlen - 2 && pos[1] >= 16) 5380 wpas_qos_map_set(wpa_s, pos + 2, pos[1]); 5381 return; 5382 } 5383 #endif /* CONFIG_INTERWORKING */ 5384 5385 #ifndef CONFIG_NO_RRM 5386 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 5387 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) { 5388 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa, 5389 mgmt->da, 5390 payload + 1, 5391 plen - 1); 5392 return; 5393 } 5394 5395 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 5396 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) { 5397 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1); 5398 return; 5399 } 5400 5401 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 5402 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) { 5403 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa, 5404 payload + 1, plen - 1, 5405 rssi); 5406 return; 5407 } 5408 #endif /* CONFIG_NO_RRM */ 5409 5410 #ifdef CONFIG_FST 5411 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) { 5412 fst_rx_action(wpa_s->fst, mgmt, len); 5413 return; 5414 } 5415 #endif /* CONFIG_FST */ 5416 5417 #ifdef CONFIG_NAN_USD 5418 if (category == WLAN_ACTION_PUBLIC && plen >= 5 && 5419 payload[0] == WLAN_PA_VENDOR_SPECIFIC && 5420 WPA_GET_BE32(&payload[1]) == NAN_SDF_VENDOR_TYPE) { 5421 payload += 5; 5422 plen -= 5; 5423 wpas_nan_usd_rx_sdf(wpa_s, mgmt->sa, freq, payload, plen); 5424 return; 5425 } 5426 #endif /* CONFIG_NAN_USD */ 5427 5428 #ifdef CONFIG_DPP 5429 if (category == WLAN_ACTION_PUBLIC && plen >= 5 && 5430 payload[0] == WLAN_PA_VENDOR_SPECIFIC && 5431 WPA_GET_BE24(&payload[1]) == OUI_WFA && 5432 payload[4] == DPP_OUI_TYPE) { 5433 payload++; 5434 plen--; 5435 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq); 5436 return; 5437 } 5438 #endif /* CONFIG_DPP */ 5439 5440 #ifndef CONFIG_NO_ROBUST_AV 5441 if (category == WLAN_ACTION_ROBUST_AV_STREAMING && 5442 payload[0] == ROBUST_AV_SCS_RESP) { 5443 wpas_handle_robust_av_scs_recv_action(wpa_s, mgmt->sa, 5444 payload + 1, plen - 1); 5445 return; 5446 } 5447 5448 if (category == WLAN_ACTION_ROBUST_AV_STREAMING && 5449 payload[0] == ROBUST_AV_MSCS_RESP) { 5450 wpas_handle_robust_av_recv_action(wpa_s, mgmt->sa, 5451 payload + 1, plen - 1); 5452 return; 5453 } 5454 5455 if (category == WLAN_ACTION_VENDOR_SPECIFIC_PROTECTED && plen > 4 && 5456 WPA_GET_BE32(payload) == QM_ACTION_VENDOR_TYPE) { 5457 wpas_handle_qos_mgmt_recv_action(wpa_s, mgmt->sa, 5458 payload + 4, plen - 4); 5459 return; 5460 } 5461 #endif /* CONFIG_NO_ROBUST_AV */ 5462 5463 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, 5464 category, payload, plen, freq); 5465 if (wpa_s->ifmsh) 5466 mesh_mpm_action_rx(wpa_s, mgmt, len); 5467 } 5468 5469 5470 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s, 5471 union wpa_event_data *event) 5472 { 5473 struct wpa_freq_range_list *list; 5474 char *str = NULL; 5475 5476 list = &event->freq_range; 5477 5478 if (list->num) 5479 str = freq_range_list_str(list); 5480 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s", 5481 str ? str : ""); 5482 5483 #ifdef CONFIG_P2P 5484 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) { 5485 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range", 5486 __func__); 5487 } else { 5488 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event"); 5489 5490 /* 5491 * The update channel flow will also take care of moving a GO 5492 * from the unsafe frequency if needed. 5493 */ 5494 wpas_p2p_update_channel_list(wpa_s, 5495 WPAS_P2P_CHANNEL_UPDATE_AVOID); 5496 } 5497 #endif /* CONFIG_P2P */ 5498 5499 os_free(str); 5500 } 5501 5502 5503 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s) 5504 { 5505 if (wpa_s->wpa_state == WPA_ASSOCIATED) { 5506 wpa_supplicant_cancel_auth_timeout(wpa_s); 5507 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 5508 eapol_sm_notify_portValid(wpa_s->eapol, true); 5509 eapol_sm_notify_eap_success(wpa_s->eapol, true); 5510 wpa_s->drv_authorized_port = 1; 5511 } 5512 } 5513 5514 5515 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s, 5516 int freq) 5517 { 5518 size_t i; 5519 int j; 5520 5521 for (i = 0; i < wpa_s->hw.num_modes; i++) { 5522 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; 5523 5524 for (j = 0; j < mode->num_channels; j++) { 5525 const struct hostapd_channel_data *chan; 5526 5527 chan = &mode->channels[j]; 5528 if (chan->freq == freq) 5529 return chan->dfs_cac_ms; 5530 } 5531 } 5532 5533 return 0; 5534 } 5535 5536 5537 static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s, 5538 struct dfs_event *radar) 5539 { 5540 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 5541 if (wpa_s->ap_iface || wpa_s->ifmsh) { 5542 wpas_ap_event_dfs_cac_started(wpa_s, radar); 5543 } else 5544 #endif /* NEED_AP_MLME && CONFIG_AP */ 5545 { 5546 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq); 5547 5548 cac_time /= 1000; /* convert from ms to sec */ 5549 if (!cac_time) 5550 cac_time = 10 * 60; /* max timeout: 10 minutes */ 5551 5552 /* Restart auth timeout: CAC time added to initial timeout */ 5553 wpas_auth_timeout_restart(wpa_s, cac_time); 5554 } 5555 } 5556 5557 5558 static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s, 5559 struct dfs_event *radar) 5560 { 5561 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 5562 if (wpa_s->ap_iface || wpa_s->ifmsh) { 5563 wpas_ap_event_dfs_cac_finished(wpa_s, radar); 5564 } else 5565 #endif /* NEED_AP_MLME && CONFIG_AP */ 5566 { 5567 /* Restart auth timeout with original value after CAC is 5568 * finished */ 5569 wpas_auth_timeout_restart(wpa_s, 0); 5570 } 5571 } 5572 5573 5574 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s, 5575 struct dfs_event *radar) 5576 { 5577 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 5578 if (wpa_s->ap_iface || wpa_s->ifmsh) { 5579 wpas_ap_event_dfs_cac_aborted(wpa_s, radar); 5580 } else 5581 #endif /* NEED_AP_MLME && CONFIG_AP */ 5582 { 5583 /* Restart auth timeout with original value after CAC is 5584 * aborted */ 5585 wpas_auth_timeout_restart(wpa_s, 0); 5586 } 5587 } 5588 5589 5590 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s, 5591 union wpa_event_data *data) 5592 { 5593 wpa_dbg(wpa_s, MSG_DEBUG, 5594 "Connection authorized by device, previous state %d", 5595 wpa_s->wpa_state); 5596 5597 wpa_supplicant_event_port_authorized(wpa_s); 5598 5599 wpa_s->last_eapol_matches_bssid = 1; 5600 5601 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr); 5602 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck, 5603 data->assoc_info.ptk_kck_len, 5604 data->assoc_info.ptk_kek, 5605 data->assoc_info.ptk_kek_len); 5606 #ifdef CONFIG_FILS 5607 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 5608 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 5609 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 5610 5611 /* Update ERP next sequence number */ 5612 eapol_sm_update_erp_next_seq_num( 5613 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num); 5614 5615 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) { 5616 /* Add the new PMK and PMKID to the PMKSA cache */ 5617 wpa_sm_pmksa_cache_add(wpa_s->wpa, 5618 data->assoc_info.fils_pmk, 5619 data->assoc_info.fils_pmk_len, 5620 data->assoc_info.fils_pmkid, 5621 wpa_s->valid_links ? 5622 wpa_s->ap_mld_addr : 5623 wpa_s->bssid, 5624 fils_cache_id); 5625 } else if (data->assoc_info.fils_pmkid) { 5626 /* Update the current PMKSA used for this connection */ 5627 pmksa_cache_set_current(wpa_s->wpa, 5628 data->assoc_info.fils_pmkid, 5629 NULL, NULL, 0, NULL, 0, true); 5630 } 5631 } 5632 #endif /* CONFIG_FILS */ 5633 } 5634 5635 5636 static const char * connect_fail_reason(enum sta_connect_fail_reason_codes code) 5637 { 5638 switch (code) { 5639 case STA_CONNECT_FAIL_REASON_UNSPECIFIED: 5640 return ""; 5641 case STA_CONNECT_FAIL_REASON_NO_BSS_FOUND: 5642 return "no_bss_found"; 5643 case STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL: 5644 return "auth_tx_fail"; 5645 case STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED: 5646 return "auth_no_ack_received"; 5647 case STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED: 5648 return "auth_no_resp_received"; 5649 case STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL: 5650 return "assoc_req_tx_fail"; 5651 case STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED: 5652 return "assoc_no_ack_received"; 5653 case STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED: 5654 return "assoc_no_resp_received"; 5655 default: 5656 return "unknown_reason"; 5657 } 5658 } 5659 5660 5661 static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s, 5662 union wpa_event_data *data) 5663 { 5664 const u8 *bssid = data->assoc_reject.bssid; 5665 struct ieee802_11_elems elems; 5666 struct ml_sta_link_info ml_info[MAX_NUM_MLD_LINKS]; 5667 const u8 *link_bssids[MAX_NUM_MLD_LINKS + 1]; 5668 #ifdef CONFIG_MBO 5669 struct wpa_bss *reject_bss; 5670 #endif /* CONFIG_MBO */ 5671 5672 if (!bssid || is_zero_ether_addr(bssid)) 5673 bssid = wpa_s->pending_bssid; 5674 #ifdef CONFIG_MBO 5675 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 5676 reject_bss = wpa_s->current_bss; 5677 else 5678 reject_bss = wpa_bss_get_bssid(wpa_s, bssid); 5679 #endif /* CONFIG_MBO */ 5680 5681 if (data->assoc_reject.bssid) 5682 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 5683 "bssid=" MACSTR " status_code=%u%s%s%s%s%s", 5684 MAC2STR(data->assoc_reject.bssid), 5685 data->assoc_reject.status_code, 5686 data->assoc_reject.timed_out ? " timeout" : "", 5687 data->assoc_reject.timeout_reason ? "=" : "", 5688 data->assoc_reject.timeout_reason ? 5689 data->assoc_reject.timeout_reason : "", 5690 data->assoc_reject.reason_code != 5691 STA_CONNECT_FAIL_REASON_UNSPECIFIED ? 5692 " qca_driver_reason=" : "", 5693 connect_fail_reason(data->assoc_reject.reason_code)); 5694 else 5695 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 5696 "status_code=%u%s%s%s%s%s", 5697 data->assoc_reject.status_code, 5698 data->assoc_reject.timed_out ? " timeout" : "", 5699 data->assoc_reject.timeout_reason ? "=" : "", 5700 data->assoc_reject.timeout_reason ? 5701 data->assoc_reject.timeout_reason : "", 5702 data->assoc_reject.reason_code != 5703 STA_CONNECT_FAIL_REASON_UNSPECIFIED ? 5704 " qca_driver_reason=" : "", 5705 connect_fail_reason(data->assoc_reject.reason_code)); 5706 wpa_s->assoc_status_code = data->assoc_reject.status_code; 5707 wpas_notify_assoc_status_code(wpa_s); 5708 5709 #ifdef CONFIG_OWE 5710 if (data->assoc_reject.status_code == 5711 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED && 5712 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 5713 wpa_s->current_ssid && 5714 wpa_s->current_ssid->owe_group == 0 && 5715 wpa_s->last_owe_group != 21) { 5716 struct wpa_ssid *ssid = wpa_s->current_ssid; 5717 struct wpa_bss *bss = wpa_s->current_bss; 5718 5719 if (!bss) { 5720 bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 5721 if (!bss) { 5722 wpas_connection_failed(wpa_s, bssid, NULL); 5723 wpa_supplicant_mark_disassoc(wpa_s); 5724 return; 5725 } 5726 } 5727 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group"); 5728 wpas_connect_work_done(wpa_s); 5729 wpa_supplicant_mark_disassoc(wpa_s); 5730 wpa_supplicant_connect(wpa_s, bss, ssid); 5731 return; 5732 } 5733 #endif /* CONFIG_OWE */ 5734 5735 #ifdef CONFIG_DPP2 5736 /* Try to follow AP's PFS policy. WLAN_STATUS_ASSOC_DENIED_UNSPEC is 5737 * the status code defined in the DPP R2 tech spec. 5738 * WLAN_STATUS_AKMP_NOT_VALID is addressed in the same manner as an 5739 * interoperability workaround with older hostapd implementation. */ 5740 if (DPP_VERSION > 1 && wpa_s->current_ssid && 5741 (wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP || 5742 ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_DPP) && 5743 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)) && 5744 wpa_s->current_ssid->dpp_pfs == 0 && 5745 (data->assoc_reject.status_code == 5746 WLAN_STATUS_ASSOC_DENIED_UNSPEC || 5747 data->assoc_reject.status_code == WLAN_STATUS_AKMP_NOT_VALID)) { 5748 struct wpa_ssid *ssid = wpa_s->current_ssid; 5749 struct wpa_bss *bss = wpa_s->current_bss; 5750 5751 wpa_s->current_ssid->dpp_pfs_fallback ^= 1; 5752 if (!bss) 5753 bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 5754 if (!bss || wpa_s->dpp_pfs_fallback) { 5755 wpa_printf(MSG_DEBUG, 5756 "DPP: Updated PFS policy for next try"); 5757 wpas_connection_failed(wpa_s, bssid, NULL); 5758 wpa_supplicant_mark_disassoc(wpa_s); 5759 return; 5760 } 5761 wpa_printf(MSG_DEBUG, "DPP: Try again with updated PFS policy"); 5762 wpa_s->dpp_pfs_fallback = 1; 5763 wpas_connect_work_done(wpa_s); 5764 wpa_supplicant_mark_disassoc(wpa_s); 5765 wpa_supplicant_connect(wpa_s, bss, ssid); 5766 return; 5767 } 5768 #endif /* CONFIG_DPP2 */ 5769 5770 #ifdef CONFIG_MBO 5771 if (data->assoc_reject.status_code == 5772 WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS && 5773 reject_bss && data->assoc_reject.resp_ies) { 5774 const u8 *rssi_rej; 5775 5776 rssi_rej = mbo_get_attr_from_ies( 5777 data->assoc_reject.resp_ies, 5778 data->assoc_reject.resp_ies_len, 5779 OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT); 5780 if (rssi_rej && rssi_rej[1] == 2) { 5781 wpa_printf(MSG_DEBUG, 5782 "OCE: RSSI-based association rejection from " 5783 MACSTR " (Delta RSSI: %u, Retry Delay: %u)", 5784 MAC2STR(reject_bss->bssid), 5785 rssi_rej[2], rssi_rej[3]); 5786 wpa_bss_tmp_disallow(wpa_s, 5787 reject_bss->bssid, 5788 rssi_rej[3], 5789 rssi_rej[2] + reject_bss->level); 5790 } 5791 } 5792 #endif /* CONFIG_MBO */ 5793 5794 /* Check for other failed links in the response */ 5795 os_memset(link_bssids, 0, sizeof(link_bssids)); 5796 if (ieee802_11_parse_elems(data->assoc_reject.resp_ies, 5797 data->assoc_reject.resp_ies_len, 5798 &elems, 1) != ParseFailed) { 5799 unsigned int n_links, i, idx; 5800 5801 idx = 0; 5802 n_links = wpas_ml_parse_assoc(wpa_s, &elems, ml_info); 5803 5804 for (i = 1; i < n_links; i++) { 5805 /* The status cannot be success here. 5806 * Add the link to the failed list if it is reporting 5807 * an error. The only valid "non-error" status is 5808 * TX_LINK_NOT_ACCEPTED as that means this link may 5809 * still accept an association from us. 5810 */ 5811 if (ml_info[i].status != 5812 WLAN_STATUS_DENIED_TX_LINK_NOT_ACCEPTED) { 5813 link_bssids[idx] = ml_info[i].bssid; 5814 idx++; 5815 } 5816 } 5817 } 5818 5819 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 5820 sme_event_assoc_reject(wpa_s, data, link_bssids); 5821 return; 5822 } 5823 5824 /* Driver-based SME cases */ 5825 5826 #ifdef CONFIG_SAE 5827 if (wpa_s->current_ssid && 5828 wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) && 5829 !data->assoc_reject.timed_out) { 5830 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry"); 5831 wpa_sm_aborted_cached(wpa_s->wpa); 5832 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 5833 } 5834 #endif /* CONFIG_SAE */ 5835 5836 #ifdef CONFIG_DPP 5837 if (wpa_s->current_ssid && 5838 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP && 5839 !data->assoc_reject.timed_out) { 5840 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry"); 5841 wpa_sm_aborted_cached(wpa_s->wpa); 5842 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 5843 } 5844 #endif /* CONFIG_DPP */ 5845 5846 #ifdef CONFIG_FILS 5847 /* Update ERP next sequence number */ 5848 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 5849 fils_pmksa_cache_flush(wpa_s); 5850 eapol_sm_update_erp_next_seq_num( 5851 wpa_s->eapol, 5852 data->assoc_reject.fils_erp_next_seq_num); 5853 fils_connection_failure(wpa_s); 5854 } 5855 #endif /* CONFIG_FILS */ 5856 5857 wpas_connection_failed(wpa_s, bssid, link_bssids); 5858 wpa_supplicant_mark_disassoc(wpa_s); 5859 } 5860 5861 5862 static void wpas_event_unprot_beacon(struct wpa_supplicant *wpa_s, 5863 struct unprot_beacon *data) 5864 { 5865 struct wpabuf *buf; 5866 int res; 5867 5868 if (!data || wpa_s->wpa_state != WPA_COMPLETED || 5869 !ether_addr_equal(data->sa, wpa_s->bssid)) 5870 return; 5871 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_UNPROT_BEACON MACSTR, 5872 MAC2STR(data->sa)); 5873 5874 buf = wpabuf_alloc(4); 5875 if (!buf) 5876 return; 5877 5878 wpabuf_put_u8(buf, WLAN_ACTION_WNM); 5879 wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ); 5880 wpabuf_put_u8(buf, 1); /* Dialog Token */ 5881 wpabuf_put_u8(buf, WNM_NOTIF_TYPE_BEACON_PROTECTION_FAILURE); 5882 5883 res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, 5884 wpa_s->own_addr, wpa_s->bssid, 5885 wpabuf_head(buf), wpabuf_len(buf), 0); 5886 if (res < 0) 5887 wpa_printf(MSG_DEBUG, 5888 "Failed to send WNM-Notification Request frame"); 5889 5890 wpabuf_free(buf); 5891 } 5892 5893 5894 static const char * bitmap_to_str(u8 value, char *buf) 5895 { 5896 char *pos = buf; 5897 int i, k = 0; 5898 5899 for (i = 7; i >= 0; i--) 5900 pos[k++] = (value & BIT(i)) ? '1' : '0'; 5901 5902 pos[8] = '\0'; 5903 return pos; 5904 } 5905 5906 5907 static void wpas_tid_link_map(struct wpa_supplicant *wpa_s, 5908 struct tid_link_map_info *info) 5909 { 5910 char map_info[1000], *pos, *end; 5911 int res, i; 5912 5913 pos = map_info; 5914 end = pos + sizeof(map_info); 5915 res = os_snprintf(map_info, sizeof(map_info), "default=%d", 5916 info->default_map); 5917 if (os_snprintf_error(end - pos, res)) 5918 return; 5919 pos += res; 5920 5921 if (!info->default_map) { 5922 for_each_link(info->valid_links, i) { 5923 char uplink_map_str[9]; 5924 char downlink_map_str[9]; 5925 5926 bitmap_to_str(info->t2lmap[i].uplink, uplink_map_str); 5927 bitmap_to_str(info->t2lmap[i].downlink, 5928 downlink_map_str); 5929 5930 res = os_snprintf(pos, end - pos, 5931 " link_id=%d up_link=%s down_link=%s", 5932 i, uplink_map_str, 5933 downlink_map_str); 5934 if (os_snprintf_error(end - pos, res)) 5935 return; 5936 pos += res; 5937 } 5938 } 5939 5940 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_T2LM_UPDATE "%s", map_info); 5941 } 5942 5943 5944 static void wpas_link_reconfig(struct wpa_supplicant *wpa_s) 5945 { 5946 u8 bssid[ETH_ALEN]; 5947 5948 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { 5949 wpa_printf(MSG_ERROR, "LINK_RECONFIG: Failed to get BSSID"); 5950 wpa_supplicant_deauthenticate(wpa_s, 5951 WLAN_REASON_DEAUTH_LEAVING); 5952 return; 5953 } 5954 5955 if (!ether_addr_equal(bssid, wpa_s->bssid)) { 5956 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); 5957 wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid); 5958 wpas_notify_bssid_changed(wpa_s); 5959 } 5960 5961 if (wpa_drv_get_mlo_info(wpa_s) < 0) { 5962 wpa_printf(MSG_ERROR, 5963 "LINK_RECONFIG: Failed to get MLO connection info"); 5964 wpa_supplicant_deauthenticate(wpa_s, 5965 WLAN_REASON_DEAUTH_LEAVING); 5966 return; 5967 } 5968 5969 if (wpa_sm_set_ml_info(wpa_s)) { 5970 wpa_printf(MSG_ERROR, 5971 "LINK_RECONFIG: Failed to set MLO connection info to wpa_sm"); 5972 wpa_supplicant_deauthenticate(wpa_s, 5973 WLAN_REASON_DEAUTH_LEAVING); 5974 return; 5975 } 5976 5977 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_LINK_RECONFIG "valid_links=0x%x", 5978 wpa_s->valid_links); 5979 } 5980 5981 5982 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 5983 union wpa_event_data *data) 5984 { 5985 struct wpa_supplicant *wpa_s = ctx; 5986 int resched; 5987 struct os_reltime age, clear_at; 5988 #ifndef CONFIG_NO_STDOUT_DEBUG 5989 int level = MSG_DEBUG; 5990 #endif /* CONFIG_NO_STDOUT_DEBUG */ 5991 5992 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && 5993 event != EVENT_INTERFACE_ENABLED && 5994 event != EVENT_INTERFACE_STATUS && 5995 event != EVENT_SCAN_RESULTS && 5996 event != EVENT_SCHED_SCAN_STOPPED) { 5997 wpa_dbg(wpa_s, MSG_DEBUG, 5998 "Ignore event %s (%d) while interface is disabled", 5999 event_to_string(event), event); 6000 return; 6001 } 6002 6003 #ifndef CONFIG_NO_STDOUT_DEBUG 6004 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { 6005 const struct ieee80211_hdr *hdr; 6006 u16 fc; 6007 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 6008 fc = le_to_host16(hdr->frame_control); 6009 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 6010 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 6011 level = MSG_EXCESSIVE; 6012 } 6013 6014 wpa_dbg(wpa_s, level, "Event %s (%d) received", 6015 event_to_string(event), event); 6016 #endif /* CONFIG_NO_STDOUT_DEBUG */ 6017 6018 switch (event) { 6019 case EVENT_AUTH: 6020 #ifdef CONFIG_FST 6021 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies, 6022 data->auth.ies_len)) 6023 wpa_printf(MSG_DEBUG, 6024 "FST: MB IEs updated from auth IE"); 6025 #endif /* CONFIG_FST */ 6026 sme_event_auth(wpa_s, data); 6027 wpa_s->auth_status_code = data->auth.status_code; 6028 wpas_notify_auth_status_code(wpa_s); 6029 break; 6030 case EVENT_ASSOC: 6031 #ifdef CONFIG_TESTING_OPTIONS 6032 if (wpa_s->ignore_auth_resp) { 6033 wpa_printf(MSG_INFO, 6034 "EVENT_ASSOC - ignore_auth_resp active!"); 6035 break; 6036 } 6037 if (wpa_s->testing_resend_assoc) { 6038 wpa_printf(MSG_INFO, 6039 "EVENT_DEAUTH - testing_resend_assoc"); 6040 break; 6041 } 6042 #endif /* CONFIG_TESTING_OPTIONS */ 6043 if (wpa_s->disconnected) { 6044 wpa_printf(MSG_INFO, 6045 "Ignore unexpected EVENT_ASSOC in disconnected state"); 6046 break; 6047 } 6048 wpa_supplicant_event_assoc(wpa_s, data); 6049 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS; 6050 if (data && 6051 (data->assoc_info.authorized || 6052 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 6053 wpa_fils_is_completed(wpa_s->wpa)))) 6054 wpa_supplicant_event_assoc_auth(wpa_s, data); 6055 if (data) { 6056 wpa_msg(wpa_s, MSG_INFO, 6057 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u", 6058 data->assoc_info.subnet_status); 6059 } 6060 break; 6061 case EVENT_DISASSOC: 6062 wpas_event_disassoc(wpa_s, 6063 data ? &data->disassoc_info : NULL); 6064 break; 6065 case EVENT_DEAUTH: 6066 #ifdef CONFIG_TESTING_OPTIONS 6067 if (wpa_s->ignore_auth_resp) { 6068 wpa_printf(MSG_INFO, 6069 "EVENT_DEAUTH - ignore_auth_resp active!"); 6070 break; 6071 } 6072 if (wpa_s->testing_resend_assoc) { 6073 wpa_printf(MSG_INFO, 6074 "EVENT_DEAUTH - testing_resend_assoc"); 6075 break; 6076 } 6077 #endif /* CONFIG_TESTING_OPTIONS */ 6078 wpas_event_deauth(wpa_s, 6079 data ? &data->deauth_info : NULL); 6080 break; 6081 case EVENT_LINK_RECONFIG: 6082 wpas_link_reconfig(wpa_s); 6083 break; 6084 case EVENT_MICHAEL_MIC_FAILURE: 6085 wpa_supplicant_event_michael_mic_failure(wpa_s, data); 6086 break; 6087 #ifndef CONFIG_NO_SCAN_PROCESSING 6088 case EVENT_SCAN_STARTED: 6089 if (wpa_s->own_scan_requested || 6090 (data && !data->scan_info.external_scan)) { 6091 struct os_reltime diff; 6092 6093 os_get_reltime(&wpa_s->scan_start_time); 6094 os_reltime_sub(&wpa_s->scan_start_time, 6095 &wpa_s->scan_trigger_time, &diff); 6096 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %jd.%06ld seconds", 6097 (intmax_t)diff.sec, (long)diff.usec); 6098 wpa_s->own_scan_requested = 0; 6099 wpa_s->own_scan_running = 1; 6100 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 6101 wpa_s->manual_scan_use_id) { 6102 wpa_msg_ctrl(wpa_s, MSG_INFO, 6103 WPA_EVENT_SCAN_STARTED "id=%u", 6104 wpa_s->manual_scan_id); 6105 } else { 6106 wpa_msg_ctrl(wpa_s, MSG_INFO, 6107 WPA_EVENT_SCAN_STARTED); 6108 } 6109 } else { 6110 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan"); 6111 wpa_s->radio->external_scan_req_interface = wpa_s; 6112 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED); 6113 } 6114 break; 6115 case EVENT_SCAN_RESULTS: 6116 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 6117 wpa_s->scan_res_handler = NULL; 6118 wpa_s->own_scan_running = 0; 6119 wpa_s->radio->external_scan_req_interface = NULL; 6120 wpa_s->last_scan_req = NORMAL_SCAN_REQ; 6121 break; 6122 } 6123 6124 if (!(data && data->scan_info.external_scan) && 6125 os_reltime_initialized(&wpa_s->scan_start_time)) { 6126 struct os_reltime now, diff; 6127 os_get_reltime(&now); 6128 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff); 6129 wpa_s->scan_start_time.sec = 0; 6130 wpa_s->scan_start_time.usec = 0; 6131 wpa_s->wps_scan_done = true; 6132 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %jd.%06ld seconds", 6133 (intmax_t)diff.sec, (long)diff.usec); 6134 } 6135 if (wpa_supplicant_event_scan_results(wpa_s, data)) 6136 break; /* interface may have been removed */ 6137 if (!(data && data->scan_info.external_scan)) 6138 wpa_s->own_scan_running = 0; 6139 if (data && data->scan_info.nl_scan_event) 6140 wpa_s->radio->external_scan_req_interface = NULL; 6141 radio_work_check_next(wpa_s); 6142 break; 6143 #endif /* CONFIG_NO_SCAN_PROCESSING */ 6144 case EVENT_ASSOCINFO: 6145 wpa_supplicant_event_associnfo(wpa_s, data); 6146 break; 6147 case EVENT_INTERFACE_STATUS: 6148 wpa_supplicant_event_interface_status(wpa_s, data); 6149 break; 6150 case EVENT_PMKID_CANDIDATE: 6151 wpa_supplicant_event_pmkid_candidate(wpa_s, data); 6152 break; 6153 #ifdef CONFIG_TDLS 6154 case EVENT_TDLS: 6155 wpa_supplicant_event_tdls(wpa_s, data); 6156 break; 6157 #endif /* CONFIG_TDLS */ 6158 #ifdef CONFIG_WNM 6159 case EVENT_WNM: 6160 wpa_supplicant_event_wnm(wpa_s, data); 6161 break; 6162 #endif /* CONFIG_WNM */ 6163 #ifdef CONFIG_IEEE80211R 6164 case EVENT_FT_RESPONSE: 6165 wpa_supplicant_event_ft_response(wpa_s, data); 6166 break; 6167 #endif /* CONFIG_IEEE80211R */ 6168 #ifdef CONFIG_IBSS_RSN 6169 case EVENT_IBSS_RSN_START: 6170 wpa_supplicant_event_ibss_rsn_start(wpa_s, data); 6171 break; 6172 #endif /* CONFIG_IBSS_RSN */ 6173 case EVENT_ASSOC_REJECT: 6174 wpas_event_assoc_reject(wpa_s, data); 6175 break; 6176 case EVENT_AUTH_TIMED_OUT: 6177 /* It is possible to get this event from earlier connection */ 6178 if (wpa_s->current_ssid && 6179 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 6180 wpa_dbg(wpa_s, MSG_DEBUG, 6181 "Ignore AUTH_TIMED_OUT in mesh configuration"); 6182 break; 6183 } 6184 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 6185 sme_event_auth_timed_out(wpa_s, data); 6186 break; 6187 case EVENT_ASSOC_TIMED_OUT: 6188 /* It is possible to get this event from earlier connection */ 6189 if (wpa_s->current_ssid && 6190 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 6191 wpa_dbg(wpa_s, MSG_DEBUG, 6192 "Ignore ASSOC_TIMED_OUT in mesh configuration"); 6193 break; 6194 } 6195 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 6196 sme_event_assoc_timed_out(wpa_s, data); 6197 break; 6198 case EVENT_TX_STATUS: 6199 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR 6200 " type=%d stype=%d", 6201 MAC2STR(data->tx_status.dst), 6202 data->tx_status.type, data->tx_status.stype); 6203 #ifdef CONFIG_WNM 6204 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 6205 data->tx_status.stype == WLAN_FC_STYPE_ACTION && 6206 wnm_btm_resp_tx_status(wpa_s, data->tx_status.data, 6207 data->tx_status.data_len) == 0) 6208 break; 6209 #endif /* CONFIG_WNM */ 6210 #ifdef CONFIG_PASN 6211 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 6212 data->tx_status.stype == WLAN_FC_STYPE_AUTH && 6213 wpas_pasn_auth_tx_status(wpa_s, data->tx_status.data, 6214 data->tx_status.data_len, 6215 data->tx_status.ack) == 0) 6216 break; 6217 #endif /* CONFIG_PASN */ 6218 #ifdef CONFIG_AP 6219 if (wpa_s->ap_iface == NULL) { 6220 #ifdef CONFIG_OFFCHANNEL 6221 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 6222 data->tx_status.stype == WLAN_FC_STYPE_ACTION) 6223 offchannel_send_action_tx_status( 6224 wpa_s, data->tx_status.dst, 6225 data->tx_status.data, 6226 data->tx_status.data_len, 6227 data->tx_status.ack ? 6228 OFFCHANNEL_SEND_ACTION_SUCCESS : 6229 OFFCHANNEL_SEND_ACTION_NO_ACK); 6230 #endif /* CONFIG_OFFCHANNEL */ 6231 break; 6232 } 6233 #endif /* CONFIG_AP */ 6234 #ifdef CONFIG_OFFCHANNEL 6235 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" 6236 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst)); 6237 /* 6238 * Catch TX status events for Action frames we sent via group 6239 * interface in GO mode, or via standalone AP interface. 6240 * Note, wpa_s->p2pdev will be the same as wpa_s->parent, 6241 * except when the primary interface is used as a GO interface 6242 * (for drivers which do not have group interface concurrency) 6243 */ 6244 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 6245 data->tx_status.stype == WLAN_FC_STYPE_ACTION && 6246 ether_addr_equal(wpa_s->p2pdev->pending_action_dst, 6247 data->tx_status.dst)) { 6248 offchannel_send_action_tx_status( 6249 wpa_s->p2pdev, data->tx_status.dst, 6250 data->tx_status.data, 6251 data->tx_status.data_len, 6252 data->tx_status.ack ? 6253 OFFCHANNEL_SEND_ACTION_SUCCESS : 6254 OFFCHANNEL_SEND_ACTION_NO_ACK); 6255 break; 6256 } 6257 #endif /* CONFIG_OFFCHANNEL */ 6258 #ifdef CONFIG_AP 6259 switch (data->tx_status.type) { 6260 case WLAN_FC_TYPE_MGMT: 6261 ap_mgmt_tx_cb(wpa_s, data->tx_status.data, 6262 data->tx_status.data_len, 6263 data->tx_status.stype, 6264 data->tx_status.ack); 6265 break; 6266 case WLAN_FC_TYPE_DATA: 6267 ap_tx_status(wpa_s, data->tx_status.dst, 6268 data->tx_status.data, 6269 data->tx_status.data_len, 6270 data->tx_status.ack); 6271 break; 6272 } 6273 #endif /* CONFIG_AP */ 6274 break; 6275 #ifdef CONFIG_AP 6276 case EVENT_EAPOL_TX_STATUS: 6277 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, 6278 data->eapol_tx_status.data, 6279 data->eapol_tx_status.data_len, 6280 data->eapol_tx_status.ack); 6281 break; 6282 case EVENT_DRIVER_CLIENT_POLL_OK: 6283 ap_client_poll_ok(wpa_s, data->client_poll.addr); 6284 break; 6285 case EVENT_RX_FROM_UNKNOWN: 6286 if (wpa_s->ap_iface == NULL) 6287 break; 6288 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, 6289 data->rx_from_unknown.wds); 6290 break; 6291 #endif /* CONFIG_AP */ 6292 6293 case EVENT_LINK_CH_SWITCH_STARTED: 6294 case EVENT_LINK_CH_SWITCH: 6295 if (!data || !wpa_s->current_ssid || 6296 !(wpa_s->valid_links & BIT(data->ch_switch.link_id))) 6297 break; 6298 6299 wpa_msg(wpa_s, MSG_INFO, 6300 "%sfreq=%d link_id=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d", 6301 event == EVENT_LINK_CH_SWITCH ? 6302 WPA_EVENT_LINK_CHANNEL_SWITCH : 6303 WPA_EVENT_LINK_CHANNEL_SWITCH_STARTED, 6304 data->ch_switch.freq, 6305 data->ch_switch.link_id, 6306 data->ch_switch.ht_enabled, 6307 data->ch_switch.ch_offset, 6308 channel_width_to_string(data->ch_switch.ch_width), 6309 data->ch_switch.cf1, 6310 data->ch_switch.cf2); 6311 if (event == EVENT_LINK_CH_SWITCH_STARTED) 6312 break; 6313 6314 wpa_s->links[data->ch_switch.link_id].freq = 6315 data->ch_switch.freq; 6316 if (wpa_s->links[data->ch_switch.link_id].bss && 6317 wpa_s->links[data->ch_switch.link_id].bss->freq != 6318 data->ch_switch.freq) { 6319 wpa_s->links[data->ch_switch.link_id].bss->freq = 6320 data->ch_switch.freq; 6321 notify_bss_changes( 6322 wpa_s, WPA_BSS_FREQ_CHANGED_FLAG, 6323 wpa_s->links[data->ch_switch.link_id].bss); 6324 } 6325 break; 6326 case EVENT_CH_SWITCH_STARTED: 6327 case EVENT_CH_SWITCH: 6328 if (!data || !wpa_s->current_ssid) 6329 break; 6330 6331 wpa_msg(wpa_s, MSG_INFO, 6332 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d", 6333 event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH : 6334 WPA_EVENT_CHANNEL_SWITCH_STARTED, 6335 data->ch_switch.freq, 6336 data->ch_switch.ht_enabled, 6337 data->ch_switch.ch_offset, 6338 channel_width_to_string(data->ch_switch.ch_width), 6339 data->ch_switch.cf1, 6340 data->ch_switch.cf2); 6341 if (event == EVENT_CH_SWITCH_STARTED) 6342 break; 6343 6344 wpa_s->assoc_freq = data->ch_switch.freq; 6345 wpa_s->current_ssid->frequency = data->ch_switch.freq; 6346 if (wpa_s->current_bss && 6347 wpa_s->current_bss->freq != data->ch_switch.freq) { 6348 wpa_s->current_bss->freq = data->ch_switch.freq; 6349 notify_bss_changes(wpa_s, WPA_BSS_FREQ_CHANGED_FLAG, 6350 wpa_s->current_bss); 6351 } 6352 6353 #ifdef CONFIG_SME 6354 switch (data->ch_switch.ch_offset) { 6355 case 1: 6356 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_ABOVE; 6357 break; 6358 case -1: 6359 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_BELOW; 6360 break; 6361 default: 6362 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_UNKNOWN; 6363 break; 6364 } 6365 #endif /* CONFIG_SME */ 6366 6367 #ifdef CONFIG_AP 6368 if (wpa_s->current_ssid->mode == WPAS_MODE_AP || 6369 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO || 6370 wpa_s->current_ssid->mode == WPAS_MODE_MESH || 6371 wpa_s->current_ssid->mode == 6372 WPAS_MODE_P2P_GROUP_FORMATION) { 6373 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, 6374 data->ch_switch.ht_enabled, 6375 data->ch_switch.ch_offset, 6376 data->ch_switch.ch_width, 6377 data->ch_switch.cf1, 6378 data->ch_switch.cf2, 6379 data->ch_switch.punct_bitmap, 6380 1); 6381 } 6382 #endif /* CONFIG_AP */ 6383 6384 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 6385 sme_event_ch_switch(wpa_s); 6386 6387 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS); 6388 wnm_clear_coloc_intf_reporting(wpa_s); 6389 break; 6390 #ifdef CONFIG_AP 6391 #ifdef NEED_AP_MLME 6392 case EVENT_DFS_RADAR_DETECTED: 6393 if (data) 6394 wpas_ap_event_dfs_radar_detected(wpa_s, 6395 &data->dfs_event); 6396 break; 6397 case EVENT_DFS_NOP_FINISHED: 6398 if (data) 6399 wpas_ap_event_dfs_cac_nop_finished(wpa_s, 6400 &data->dfs_event); 6401 break; 6402 #endif /* NEED_AP_MLME */ 6403 #endif /* CONFIG_AP */ 6404 case EVENT_DFS_CAC_STARTED: 6405 if (data) 6406 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event); 6407 break; 6408 case EVENT_DFS_CAC_FINISHED: 6409 if (data) 6410 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event); 6411 break; 6412 case EVENT_DFS_CAC_ABORTED: 6413 if (data) 6414 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event); 6415 break; 6416 case EVENT_RX_MGMT: { 6417 u16 fc, stype; 6418 const struct ieee80211_mgmt *mgmt; 6419 6420 #ifdef CONFIG_TESTING_OPTIONS 6421 if (wpa_s->ext_mgmt_frame_handling) { 6422 struct rx_mgmt *rx = &data->rx_mgmt; 6423 size_t hex_len = 2 * rx->frame_len + 1; 6424 char *hex = os_malloc(hex_len); 6425 if (hex) { 6426 wpa_snprintf_hex(hex, hex_len, 6427 rx->frame, rx->frame_len); 6428 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s", 6429 rx->freq, rx->datarate, rx->ssi_signal, 6430 hex); 6431 os_free(hex); 6432 } 6433 break; 6434 } 6435 #endif /* CONFIG_TESTING_OPTIONS */ 6436 6437 mgmt = (const struct ieee80211_mgmt *) 6438 data->rx_mgmt.frame; 6439 fc = le_to_host16(mgmt->frame_control); 6440 stype = WLAN_FC_GET_STYPE(fc); 6441 6442 #ifdef CONFIG_AP 6443 if (wpa_s->ap_iface == NULL) { 6444 #endif /* CONFIG_AP */ 6445 #ifdef CONFIG_P2P 6446 if (stype == WLAN_FC_STYPE_PROBE_REQ && 6447 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 6448 const u8 *src = mgmt->sa; 6449 const u8 *ie; 6450 size_t ie_len; 6451 6452 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 6453 ie_len = data->rx_mgmt.frame_len - 6454 IEEE80211_HDRLEN; 6455 wpas_p2p_probe_req_rx( 6456 wpa_s, src, mgmt->da, 6457 mgmt->bssid, ie, ie_len, 6458 data->rx_mgmt.freq, 6459 data->rx_mgmt.ssi_signal); 6460 break; 6461 } 6462 #endif /* CONFIG_P2P */ 6463 #ifdef CONFIG_IBSS_RSN 6464 if (wpa_s->current_ssid && 6465 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 6466 stype == WLAN_FC_STYPE_AUTH && 6467 data->rx_mgmt.frame_len >= 30) { 6468 wpa_supplicant_event_ibss_auth(wpa_s, data); 6469 break; 6470 } 6471 #endif /* CONFIG_IBSS_RSN */ 6472 6473 if (stype == WLAN_FC_STYPE_ACTION) { 6474 wpas_event_rx_mgmt_action( 6475 wpa_s, data->rx_mgmt.frame, 6476 data->rx_mgmt.frame_len, 6477 data->rx_mgmt.freq, 6478 data->rx_mgmt.ssi_signal); 6479 break; 6480 } 6481 6482 if (wpa_s->ifmsh) { 6483 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt); 6484 break; 6485 } 6486 #ifdef CONFIG_PASN 6487 if (stype == WLAN_FC_STYPE_AUTH && 6488 wpas_pasn_auth_rx(wpa_s, mgmt, 6489 data->rx_mgmt.frame_len) != -2) 6490 break; 6491 #endif /* CONFIG_PASN */ 6492 6493 #ifdef CONFIG_SAE 6494 if (stype == WLAN_FC_STYPE_AUTH && 6495 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 6496 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { 6497 sme_external_auth_mgmt_rx( 6498 wpa_s, data->rx_mgmt.frame, 6499 data->rx_mgmt.frame_len); 6500 break; 6501 } 6502 #endif /* CONFIG_SAE */ 6503 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " 6504 "management frame in non-AP mode"); 6505 break; 6506 #ifdef CONFIG_AP 6507 } 6508 6509 if (stype == WLAN_FC_STYPE_PROBE_REQ && 6510 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 6511 const u8 *ie; 6512 size_t ie_len; 6513 6514 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 6515 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN; 6516 6517 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, 6518 mgmt->bssid, ie, ie_len, 6519 data->rx_mgmt.ssi_signal); 6520 } 6521 6522 ap_mgmt_rx(wpa_s, &data->rx_mgmt); 6523 #endif /* CONFIG_AP */ 6524 break; 6525 } 6526 case EVENT_RX_PROBE_REQ: 6527 if (data->rx_probe_req.sa == NULL || 6528 data->rx_probe_req.ie == NULL) 6529 break; 6530 #ifdef CONFIG_AP 6531 if (wpa_s->ap_iface) { 6532 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], 6533 data->rx_probe_req.sa, 6534 data->rx_probe_req.da, 6535 data->rx_probe_req.bssid, 6536 data->rx_probe_req.ie, 6537 data->rx_probe_req.ie_len, 6538 data->rx_probe_req.ssi_signal); 6539 break; 6540 } 6541 #endif /* CONFIG_AP */ 6542 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, 6543 data->rx_probe_req.da, 6544 data->rx_probe_req.bssid, 6545 data->rx_probe_req.ie, 6546 data->rx_probe_req.ie_len, 6547 0, 6548 data->rx_probe_req.ssi_signal); 6549 break; 6550 case EVENT_REMAIN_ON_CHANNEL: 6551 #ifdef CONFIG_OFFCHANNEL 6552 offchannel_remain_on_channel_cb( 6553 wpa_s, data->remain_on_channel.freq, 6554 data->remain_on_channel.duration); 6555 #endif /* CONFIG_OFFCHANNEL */ 6556 wpas_p2p_remain_on_channel_cb( 6557 wpa_s, data->remain_on_channel.freq, 6558 data->remain_on_channel.duration); 6559 #ifdef CONFIG_DPP 6560 wpas_dpp_remain_on_channel_cb( 6561 wpa_s, data->remain_on_channel.freq, 6562 data->remain_on_channel.duration); 6563 #endif /* CONFIG_DPP */ 6564 #ifdef CONFIG_NAN_USD 6565 wpas_nan_usd_remain_on_channel_cb( 6566 wpa_s, data->remain_on_channel.freq, 6567 data->remain_on_channel.duration); 6568 #endif /* CONFIG_NAN_USD */ 6569 break; 6570 case EVENT_CANCEL_REMAIN_ON_CHANNEL: 6571 #ifdef CONFIG_OFFCHANNEL 6572 offchannel_cancel_remain_on_channel_cb( 6573 wpa_s, data->remain_on_channel.freq); 6574 #endif /* CONFIG_OFFCHANNEL */ 6575 wpas_p2p_cancel_remain_on_channel_cb( 6576 wpa_s, data->remain_on_channel.freq); 6577 #ifdef CONFIG_DPP 6578 wpas_dpp_cancel_remain_on_channel_cb( 6579 wpa_s, data->remain_on_channel.freq); 6580 #endif /* CONFIG_DPP */ 6581 #ifdef CONFIG_NAN_USD 6582 wpas_nan_usd_cancel_remain_on_channel_cb( 6583 wpa_s, data->remain_on_channel.freq); 6584 #endif /* CONFIG_NAN_USD */ 6585 break; 6586 case EVENT_EAPOL_RX: 6587 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, 6588 data->eapol_rx.data, 6589 data->eapol_rx.data_len, 6590 data->eapol_rx.encrypted); 6591 break; 6592 case EVENT_SIGNAL_CHANGE: 6593 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE 6594 "above=%d signal=%d noise=%d txrate=%lu", 6595 data->signal_change.above_threshold, 6596 data->signal_change.data.signal, 6597 data->signal_change.current_noise, 6598 data->signal_change.data.current_tx_rate); 6599 wpa_bss_update_level(wpa_s->current_bss, 6600 data->signal_change.data.signal); 6601 bgscan_notify_signal_change( 6602 wpa_s, data->signal_change.above_threshold, 6603 data->signal_change.data.signal, 6604 data->signal_change.current_noise, 6605 data->signal_change.data.current_tx_rate); 6606 os_memcpy(&wpa_s->last_signal_info, data, 6607 sizeof(struct wpa_signal_info)); 6608 wpas_notify_signal_change(wpa_s); 6609 break; 6610 case EVENT_INTERFACE_MAC_CHANGED: 6611 wpa_supplicant_update_mac_addr(wpa_s); 6612 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); 6613 break; 6614 case EVENT_INTERFACE_ENABLED: 6615 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); 6616 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 6617 u8 addr[ETH_ALEN]; 6618 6619 eloop_cancel_timeout(wpas_clear_disabled_interface, 6620 wpa_s, NULL); 6621 os_memcpy(addr, wpa_s->own_addr, ETH_ALEN); 6622 wpa_supplicant_update_mac_addr(wpa_s); 6623 if (!ether_addr_equal(addr, wpa_s->own_addr)) 6624 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); 6625 else 6626 wpa_sm_pmksa_cache_reconfig(wpa_s->wpa); 6627 wpa_supplicant_set_default_scan_ies(wpa_s); 6628 if (wpa_s->p2p_mgmt) { 6629 wpa_supplicant_set_state(wpa_s, 6630 WPA_DISCONNECTED); 6631 break; 6632 } 6633 6634 #ifdef CONFIG_AP 6635 if (!wpa_s->ap_iface) { 6636 wpa_supplicant_set_state(wpa_s, 6637 WPA_DISCONNECTED); 6638 wpa_s->scan_req = NORMAL_SCAN_REQ; 6639 wpa_supplicant_req_scan(wpa_s, 0, 0); 6640 } else 6641 wpa_supplicant_set_state(wpa_s, 6642 WPA_COMPLETED); 6643 #else /* CONFIG_AP */ 6644 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 6645 wpa_supplicant_req_scan(wpa_s, 0, 0); 6646 #endif /* CONFIG_AP */ 6647 } 6648 break; 6649 case EVENT_INTERFACE_DISABLED: 6650 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); 6651 #ifdef CONFIG_P2P 6652 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO || 6653 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group && 6654 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) { 6655 /* 6656 * Mark interface disabled if this happens to end up not 6657 * being removed as a separate P2P group interface. 6658 */ 6659 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 6660 /* 6661 * The interface was externally disabled. Remove 6662 * it assuming an external entity will start a 6663 * new session if needed. 6664 */ 6665 if (wpa_s->current_ssid && 6666 wpa_s->current_ssid->p2p_group) 6667 wpas_p2p_interface_unavailable(wpa_s); 6668 else 6669 wpas_p2p_disconnect(wpa_s); 6670 /* 6671 * wpa_s instance may have been freed, so must not use 6672 * it here anymore. 6673 */ 6674 break; 6675 } 6676 if (wpa_s->p2p_scan_work && wpa_s->global->p2p && 6677 p2p_in_progress(wpa_s->global->p2p) > 1) { 6678 /* This radio work will be cancelled, so clear P2P 6679 * state as well. 6680 */ 6681 p2p_stop_find(wpa_s->global->p2p); 6682 } 6683 #endif /* CONFIG_P2P */ 6684 6685 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { 6686 /* 6687 * Indicate disconnection to keep ctrl_iface events 6688 * consistent. 6689 */ 6690 wpa_supplicant_event_disassoc( 6691 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1); 6692 } 6693 wpa_supplicant_mark_disassoc(wpa_s); 6694 os_reltime_age(&wpa_s->last_scan, &age); 6695 if (age.sec >= wpa_s->conf->scan_res_valid_for_connect) { 6696 clear_at.sec = wpa_s->conf->scan_res_valid_for_connect; 6697 clear_at.usec = 0; 6698 } else { 6699 struct os_reltime tmp; 6700 6701 tmp.sec = wpa_s->conf->scan_res_valid_for_connect; 6702 tmp.usec = 0; 6703 os_reltime_sub(&tmp, &age, &clear_at); 6704 } 6705 eloop_register_timeout(clear_at.sec, clear_at.usec, 6706 wpas_clear_disabled_interface, 6707 wpa_s, NULL); 6708 radio_remove_works(wpa_s, NULL, 0); 6709 6710 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 6711 break; 6712 case EVENT_CHANNEL_LIST_CHANGED: 6713 wpa_supplicant_update_channel_list( 6714 wpa_s, &data->channel_list_changed); 6715 break; 6716 case EVENT_INTERFACE_UNAVAILABLE: 6717 wpas_p2p_interface_unavailable(wpa_s); 6718 break; 6719 case EVENT_BEST_CHANNEL: 6720 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " 6721 "(%d %d %d)", 6722 data->best_chan.freq_24, data->best_chan.freq_5, 6723 data->best_chan.freq_overall); 6724 wpa_s->best_24_freq = data->best_chan.freq_24; 6725 wpa_s->best_5_freq = data->best_chan.freq_5; 6726 wpa_s->best_overall_freq = data->best_chan.freq_overall; 6727 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, 6728 data->best_chan.freq_5, 6729 data->best_chan.freq_overall); 6730 break; 6731 case EVENT_UNPROT_DEAUTH: 6732 wpa_supplicant_event_unprot_deauth(wpa_s, 6733 &data->unprot_deauth); 6734 break; 6735 case EVENT_UNPROT_DISASSOC: 6736 wpa_supplicant_event_unprot_disassoc(wpa_s, 6737 &data->unprot_disassoc); 6738 break; 6739 case EVENT_STATION_LOW_ACK: 6740 #ifdef CONFIG_AP 6741 if (wpa_s->ap_iface && data) 6742 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], 6743 data->low_ack.addr); 6744 #endif /* CONFIG_AP */ 6745 #ifdef CONFIG_TDLS 6746 if (data) 6747 wpa_tdls_disable_unreachable_link(wpa_s->wpa, 6748 data->low_ack.addr); 6749 #endif /* CONFIG_TDLS */ 6750 break; 6751 case EVENT_IBSS_PEER_LOST: 6752 #ifdef CONFIG_IBSS_RSN 6753 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); 6754 #endif /* CONFIG_IBSS_RSN */ 6755 break; 6756 case EVENT_DRIVER_GTK_REKEY: 6757 if (!ether_addr_equal(data->driver_gtk_rekey.bssid, 6758 wpa_s->bssid)) 6759 break; 6760 if (!wpa_s->wpa) 6761 break; 6762 wpa_sm_update_replay_ctr(wpa_s->wpa, 6763 data->driver_gtk_rekey.replay_ctr); 6764 break; 6765 case EVENT_SCHED_SCAN_STOPPED: 6766 wpa_s->sched_scanning = 0; 6767 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s); 6768 wpa_supplicant_notify_scanning(wpa_s, 0); 6769 6770 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 6771 break; 6772 6773 /* 6774 * If the driver stopped scanning without being requested to, 6775 * request a new scan to continue scanning for networks. 6776 */ 6777 if (!wpa_s->sched_scan_stop_req && 6778 wpa_s->wpa_state == WPA_SCANNING) { 6779 wpa_dbg(wpa_s, MSG_DEBUG, 6780 "Restart scanning after unexpected sched_scan stop event"); 6781 wpa_supplicant_req_scan(wpa_s, 1, 0); 6782 break; 6783 } 6784 6785 wpa_s->sched_scan_stop_req = 0; 6786 6787 /* 6788 * Start a new sched scan to continue searching for more SSIDs 6789 * either if timed out or PNO schedule scan is pending. 6790 */ 6791 if (wpa_s->sched_scan_timed_out) { 6792 wpa_supplicant_req_sched_scan(wpa_s); 6793 } else if (wpa_s->pno_sched_pending) { 6794 wpa_s->pno_sched_pending = 0; 6795 wpas_start_pno(wpa_s); 6796 } else if (resched) { 6797 wpa_supplicant_req_scan(wpa_s, 0, 0); 6798 } 6799 6800 break; 6801 case EVENT_WPS_BUTTON_PUSHED: 6802 #ifdef CONFIG_WPS 6803 wpas_wps_start_pbc(wpa_s, NULL, 0, 0); 6804 #endif /* CONFIG_WPS */ 6805 break; 6806 case EVENT_AVOID_FREQUENCIES: 6807 wpa_supplicant_notify_avoid_freq(wpa_s, data); 6808 break; 6809 case EVENT_CONNECT_FAILED_REASON: 6810 #ifdef CONFIG_AP 6811 if (!wpa_s->ap_iface || !data) 6812 break; 6813 hostapd_event_connect_failed_reason( 6814 wpa_s->ap_iface->bss[0], 6815 data->connect_failed_reason.addr, 6816 data->connect_failed_reason.code); 6817 #endif /* CONFIG_AP */ 6818 break; 6819 case EVENT_NEW_PEER_CANDIDATE: 6820 #ifdef CONFIG_MESH 6821 if (!wpa_s->ifmsh || !data) 6822 break; 6823 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer, 6824 data->mesh_peer.ies, 6825 data->mesh_peer.ie_len); 6826 #endif /* CONFIG_MESH */ 6827 break; 6828 case EVENT_SURVEY: 6829 #ifdef CONFIG_AP 6830 if (!wpa_s->ap_iface) 6831 break; 6832 hostapd_event_get_survey(wpa_s->ap_iface, 6833 &data->survey_results); 6834 #endif /* CONFIG_AP */ 6835 break; 6836 case EVENT_ACS_CHANNEL_SELECTED: 6837 #ifdef CONFIG_AP 6838 #ifdef CONFIG_ACS 6839 if (!wpa_s->ap_iface) 6840 break; 6841 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0], 6842 &data->acs_selected_channels); 6843 #endif /* CONFIG_ACS */ 6844 #endif /* CONFIG_AP */ 6845 break; 6846 case EVENT_P2P_LO_STOP: 6847 #ifdef CONFIG_P2P 6848 wpa_s->p2p_lo_started = 0; 6849 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP 6850 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d", 6851 data->p2p_lo_stop.reason_code); 6852 #endif /* CONFIG_P2P */ 6853 break; 6854 case EVENT_BEACON_LOSS: 6855 if (!wpa_s->current_bss || !wpa_s->current_ssid) 6856 break; 6857 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS); 6858 bgscan_notify_beacon_loss(wpa_s); 6859 break; 6860 case EVENT_EXTERNAL_AUTH: 6861 #ifdef CONFIG_SAE 6862 if (!wpa_s->current_ssid) { 6863 wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL"); 6864 break; 6865 } 6866 sme_external_auth_trigger(wpa_s, data); 6867 #endif /* CONFIG_SAE */ 6868 break; 6869 #ifdef CONFIG_PASN 6870 case EVENT_PASN_AUTH: 6871 wpas_pasn_auth_trigger(wpa_s, &data->pasn_auth); 6872 break; 6873 #endif /* CONFIG_PASN */ 6874 case EVENT_PORT_AUTHORIZED: 6875 #ifdef CONFIG_AP 6876 if (wpa_s->ap_iface && wpa_s->ap_iface->bss[0]) { 6877 struct sta_info *sta; 6878 6879 sta = ap_get_sta(wpa_s->ap_iface->bss[0], 6880 data->port_authorized.sta_addr); 6881 if (sta) 6882 ap_sta_set_authorized(wpa_s->ap_iface->bss[0], 6883 sta, 1); 6884 else 6885 wpa_printf(MSG_DEBUG, 6886 "No STA info matching port authorized event found"); 6887 break; 6888 } 6889 #endif /* CONFIG_AP */ 6890 #ifndef CONFIG_NO_WPA 6891 if (data->port_authorized.td_bitmap_len) { 6892 wpa_printf(MSG_DEBUG, 6893 "WPA3: Transition Disable bitmap from the driver event: 0x%x", 6894 data->port_authorized.td_bitmap[0]); 6895 wpas_transition_disable( 6896 wpa_s, data->port_authorized.td_bitmap[0]); 6897 } 6898 #endif /* CONFIG_NO_WPA */ 6899 wpa_supplicant_event_port_authorized(wpa_s); 6900 break; 6901 case EVENT_STATION_OPMODE_CHANGED: 6902 #ifdef CONFIG_AP 6903 if (!wpa_s->ap_iface || !data) 6904 break; 6905 6906 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0], 6907 data->sta_opmode.addr, 6908 data->sta_opmode.smps_mode, 6909 data->sta_opmode.chan_width, 6910 data->sta_opmode.rx_nss); 6911 #endif /* CONFIG_AP */ 6912 break; 6913 case EVENT_UNPROT_BEACON: 6914 wpas_event_unprot_beacon(wpa_s, &data->unprot_beacon); 6915 break; 6916 case EVENT_TX_WAIT_EXPIRE: 6917 #ifdef CONFIG_DPP 6918 wpas_dpp_tx_wait_expire(wpa_s); 6919 #endif /* CONFIG_DPP */ 6920 #ifdef CONFIG_NAN_USD 6921 wpas_nan_usd_tx_wait_expire(wpa_s); 6922 #endif /* CONFIG_NAN_USD */ 6923 break; 6924 case EVENT_TID_LINK_MAP: 6925 if (data) 6926 wpas_tid_link_map(wpa_s, &data->t2l_map_info); 6927 break; 6928 default: 6929 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); 6930 break; 6931 } 6932 } 6933 6934 6935 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 6936 union wpa_event_data *data) 6937 { 6938 struct wpa_supplicant *wpa_s; 6939 6940 if (event != EVENT_INTERFACE_STATUS) 6941 return; 6942 6943 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname); 6944 if (wpa_s && wpa_s->driver->get_ifindex) { 6945 unsigned int ifindex; 6946 6947 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv); 6948 if (ifindex != data->interface_status.ifindex) { 6949 wpa_dbg(wpa_s, MSG_DEBUG, 6950 "interface status ifindex %d mismatch (%d)", 6951 ifindex, data->interface_status.ifindex); 6952 return; 6953 } 6954 } 6955 #ifdef CONFIG_MATCH_IFACE 6956 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) { 6957 struct wpa_interface *wpa_i; 6958 6959 wpa_i = wpa_supplicant_match_iface( 6960 ctx, data->interface_status.ifname); 6961 if (!wpa_i) 6962 return; 6963 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL); 6964 os_free(wpa_i); 6965 } 6966 #endif /* CONFIG_MATCH_IFACE */ 6967 6968 if (wpa_s) 6969 wpa_supplicant_event(wpa_s, event, data); 6970 } 6971
Indexes created Wed Jun 24 00:24:50 UTC 2026