1 /* 2 * WPA Supplicant - Driver event processing 3 * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "includes.h" 10 11 #include "common.h" 12 #include "eapol_supp/eapol_supp_sm.h" 13 #include "rsn_supp/wpa.h" 14 #include "eloop.h" 15 #include "config.h" 16 #include "l2_packet/l2_packet.h" 17 #include "wpa_supplicant_i.h" 18 #include "driver_i.h" 19 #include "pcsc_funcs.h" 20 #include "rsn_supp/preauth.h" 21 #include "rsn_supp/pmksa_cache.h" 22 #include "common/wpa_ctrl.h" 23 #include "eap_peer/eap.h" 24 #include "ap/hostapd.h" 25 #include "p2p/p2p.h" 26 #include "fst/fst.h" 27 #include "wnm_sta.h" 28 #include "notify.h" 29 #include "common/ieee802_11_defs.h" 30 #include "common/ieee802_11_common.h" 31 #include "common/gas_server.h" 32 #include "common/dpp.h" 33 #include "common/ptksa_cache.h" 34 #include "crypto/random.h" 35 #include "bssid_ignore.h" 36 #include "wpas_glue.h" 37 #include "wps_supplicant.h" 38 #include "ibss_rsn.h" 39 #include "sme.h" 40 #include "gas_query.h" 41 #include "p2p_supplicant.h" 42 #include "bgscan.h" 43 #include "autoscan.h" 44 #include "ap.h" 45 #include "bss.h" 46 #include "scan.h" 47 #include "offchannel.h" 48 #include "interworking.h" 49 #include "mesh.h" 50 #include "mesh_mpm.h" 51 #include "wmm_ac.h" 52 #include "dpp_supplicant.h" 53 54 55 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5 56 57 58 #ifndef CONFIG_NO_SCAN_PROCESSING 59 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 60 int new_scan, int own_request); 61 #endif /* CONFIG_NO_SCAN_PROCESSING */ 62 63 64 int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) 65 { 66 struct os_reltime now; 67 68 if (ssid == NULL || ssid->disabled_until.sec == 0) 69 return 0; 70 71 os_get_reltime(&now); 72 if (ssid->disabled_until.sec > now.sec) 73 return ssid->disabled_until.sec - now.sec; 74 75 wpas_clear_temp_disabled(wpa_s, ssid, 0); 76 77 return 0; 78 } 79 80 81 #ifndef CONFIG_NO_SCAN_PROCESSING 82 /** 83 * wpas_reenabled_network_time - Time until first network is re-enabled 84 * @wpa_s: Pointer to wpa_supplicant data 85 * Returns: If all enabled networks are temporarily disabled, returns the time 86 * (in sec) until the first network is re-enabled. Otherwise returns 0. 87 * 88 * This function is used in case all enabled networks are temporarily disabled, 89 * in which case it returns the time (in sec) that the first network will be 90 * re-enabled. The function assumes that at least one network is enabled. 91 */ 92 static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s) 93 { 94 struct wpa_ssid *ssid; 95 int disabled_for, res = 0; 96 97 #ifdef CONFIG_INTERWORKING 98 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking && 99 wpa_s->conf->cred) 100 return 0; 101 #endif /* CONFIG_INTERWORKING */ 102 103 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 104 if (ssid->disabled) 105 continue; 106 107 disabled_for = wpas_temp_disabled(wpa_s, ssid); 108 if (!disabled_for) 109 return 0; 110 111 if (!res || disabled_for < res) 112 res = disabled_for; 113 } 114 115 return res; 116 } 117 #endif /* CONFIG_NO_SCAN_PROCESSING */ 118 119 120 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx) 121 { 122 struct wpa_supplicant *wpa_s = eloop_ctx; 123 124 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING) 125 return; 126 127 wpa_dbg(wpa_s, MSG_DEBUG, 128 "Try to associate due to network getting re-enabled"); 129 if (wpa_supplicant_fast_associate(wpa_s) != 1) { 130 wpa_supplicant_cancel_sched_scan(wpa_s); 131 wpa_supplicant_req_scan(wpa_s, 0, 0); 132 } 133 } 134 135 136 static struct wpa_bss * wpa_supplicant_get_new_bss( 137 struct wpa_supplicant *wpa_s, const u8 *bssid) 138 { 139 struct wpa_bss *bss = NULL; 140 struct wpa_ssid *ssid = wpa_s->current_ssid; 141 142 if (ssid->ssid_len > 0) 143 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); 144 if (!bss) 145 bss = wpa_bss_get_bssid(wpa_s, bssid); 146 147 return bss; 148 } 149 150 151 static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s) 152 { 153 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); 154 155 if (!bss) { 156 wpa_supplicant_update_scan_results(wpa_s); 157 158 /* Get the BSS from the new scan results */ 159 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); 160 } 161 162 if (bss) 163 wpa_s->current_bss = bss; 164 } 165 166 167 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) 168 { 169 struct wpa_ssid *ssid, *old_ssid; 170 u8 drv_ssid[SSID_MAX_LEN]; 171 size_t drv_ssid_len; 172 int res; 173 174 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) { 175 wpa_supplicant_update_current_bss(wpa_s); 176 177 if (wpa_s->current_ssid->ssid_len == 0) 178 return 0; /* current profile still in use */ 179 res = wpa_drv_get_ssid(wpa_s, drv_ssid); 180 if (res < 0) { 181 wpa_msg(wpa_s, MSG_INFO, 182 "Failed to read SSID from driver"); 183 return 0; /* try to use current profile */ 184 } 185 drv_ssid_len = res; 186 187 if (drv_ssid_len == wpa_s->current_ssid->ssid_len && 188 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid, 189 drv_ssid_len) == 0) 190 return 0; /* current profile still in use */ 191 192 #ifdef CONFIG_OWE 193 if ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_OWE) && 194 wpa_s->current_bss && 195 (wpa_s->current_bss->flags & WPA_BSS_OWE_TRANSITION) && 196 drv_ssid_len == wpa_s->current_bss->ssid_len && 197 os_memcmp(drv_ssid, wpa_s->current_bss->ssid, 198 drv_ssid_len) == 0) 199 return 0; /* current profile still in use */ 200 #endif /* CONFIG_OWE */ 201 202 wpa_msg(wpa_s, MSG_DEBUG, 203 "Driver-initiated BSS selection changed the SSID to %s", 204 wpa_ssid_txt(drv_ssid, drv_ssid_len)); 205 /* continue selecting a new network profile */ 206 } 207 208 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " 209 "information"); 210 ssid = wpa_supplicant_get_ssid(wpa_s); 211 if (ssid == NULL) { 212 wpa_msg(wpa_s, MSG_INFO, 213 "No network configuration found for the current AP"); 214 return -1; 215 } 216 217 if (wpas_network_disabled(wpa_s, ssid)) { 218 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); 219 return -1; 220 } 221 222 if (disallowed_bssid(wpa_s, wpa_s->bssid) || 223 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { 224 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); 225 return -1; 226 } 227 228 res = wpas_temp_disabled(wpa_s, ssid); 229 if (res > 0) { 230 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " 231 "disabled for %d second(s)", res); 232 return -1; 233 } 234 235 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " 236 "current AP"); 237 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { 238 u8 wpa_ie[80]; 239 size_t wpa_ie_len = sizeof(wpa_ie); 240 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, 241 wpa_ie, &wpa_ie_len) < 0) 242 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); 243 } else { 244 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); 245 } 246 247 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) 248 eapol_sm_invalidate_cached_session(wpa_s->eapol); 249 old_ssid = wpa_s->current_ssid; 250 wpa_s->current_ssid = ssid; 251 252 wpa_supplicant_update_current_bss(wpa_s); 253 254 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); 255 wpa_supplicant_initiate_eapol(wpa_s); 256 if (old_ssid != wpa_s->current_ssid) 257 wpas_notify_network_changed(wpa_s); 258 259 return 0; 260 } 261 262 263 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) 264 { 265 struct wpa_supplicant *wpa_s = eloop_ctx; 266 267 if (wpa_s->countermeasures) { 268 wpa_s->countermeasures = 0; 269 wpa_drv_set_countermeasures(wpa_s, 0); 270 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); 271 272 /* 273 * It is possible that the device is sched scanning, which means 274 * that a connection attempt will be done only when we receive 275 * scan results. However, in this case, it would be preferable 276 * to scan and connect immediately, so cancel the sched_scan and 277 * issue a regular scan flow. 278 */ 279 wpa_supplicant_cancel_sched_scan(wpa_s); 280 wpa_supplicant_req_scan(wpa_s, 0, 0); 281 } 282 } 283 284 285 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) 286 { 287 int bssid_changed; 288 289 wnm_bss_keep_alive_deinit(wpa_s); 290 291 #ifdef CONFIG_IBSS_RSN 292 ibss_rsn_deinit(wpa_s->ibss_rsn); 293 wpa_s->ibss_rsn = NULL; 294 #endif /* CONFIG_IBSS_RSN */ 295 296 #ifdef CONFIG_AP 297 wpa_supplicant_ap_deinit(wpa_s); 298 #endif /* CONFIG_AP */ 299 300 #ifdef CONFIG_HS20 301 /* Clear possibly configured frame filters */ 302 wpa_drv_configure_frame_filters(wpa_s, 0); 303 #endif /* CONFIG_HS20 */ 304 305 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 306 return; 307 308 if (os_reltime_initialized(&wpa_s->session_start)) { 309 os_reltime_age(&wpa_s->session_start, &wpa_s->session_length); 310 wpa_s->session_start.sec = 0; 311 wpa_s->session_start.usec = 0; 312 wpas_notify_session_length(wpa_s); 313 } 314 315 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 316 bssid_changed = !is_zero_ether_addr(wpa_s->bssid); 317 os_memset(wpa_s->bssid, 0, ETH_ALEN); 318 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 319 sme_clear_on_disassoc(wpa_s); 320 wpa_s->current_bss = NULL; 321 wpa_s->assoc_freq = 0; 322 323 if (bssid_changed) 324 wpas_notify_bssid_changed(wpa_s); 325 326 eapol_sm_notify_portEnabled(wpa_s->eapol, false); 327 eapol_sm_notify_portValid(wpa_s->eapol, false); 328 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 329 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || 330 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port) 331 eapol_sm_notify_eap_success(wpa_s->eapol, false); 332 wpa_s->drv_authorized_port = 0; 333 wpa_s->ap_ies_from_associnfo = 0; 334 wpa_s->current_ssid = NULL; 335 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 336 wpa_s->key_mgmt = 0; 337 338 wpas_rrm_reset(wpa_s); 339 wpa_s->wnmsleep_used = 0; 340 wnm_clear_coloc_intf_reporting(wpa_s); 341 wpa_s->disable_mbo_oce = 0; 342 343 #ifdef CONFIG_TESTING_OPTIONS 344 wpa_s->last_tk_alg = WPA_ALG_NONE; 345 os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk)); 346 #endif /* CONFIG_TESTING_OPTIONS */ 347 wpa_s->ieee80211ac = 0; 348 349 if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0) 350 wpa_s->enabled_4addr_mode = 0; 351 } 352 353 354 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) 355 { 356 struct wpa_ie_data ie; 357 int pmksa_set = -1; 358 size_t i; 359 struct rsn_pmksa_cache_entry *cur_pmksa; 360 361 /* Start with assumption of no PMKSA cache entry match for cases other 362 * than SAE. In particular, this is needed to generate the PMKSA cache 363 * entries for Suite B cases with driver-based roaming indication. */ 364 cur_pmksa = pmksa_cache_get_current(wpa_s->wpa); 365 if (cur_pmksa && !wpa_key_mgmt_sae(cur_pmksa->akmp)) 366 pmksa_cache_clear_current(wpa_s->wpa); 367 368 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || 369 ie.pmkid == NULL) 370 return; 371 372 for (i = 0; i < ie.num_pmkid; i++) { 373 pmksa_set = pmksa_cache_set_current(wpa_s->wpa, 374 ie.pmkid + i * PMKID_LEN, 375 NULL, NULL, 0, NULL, 0); 376 if (pmksa_set == 0) { 377 eapol_sm_notify_pmkid_attempt(wpa_s->eapol); 378 break; 379 } 380 } 381 382 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " 383 "PMKSA cache", pmksa_set == 0 ? "" : "not "); 384 } 385 386 387 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, 388 union wpa_event_data *data) 389 { 390 if (data == NULL) { 391 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " 392 "event"); 393 return; 394 } 395 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR 396 " index=%d preauth=%d", 397 MAC2STR(data->pmkid_candidate.bssid), 398 data->pmkid_candidate.index, 399 data->pmkid_candidate.preauth); 400 401 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, 402 data->pmkid_candidate.index, 403 data->pmkid_candidate.preauth); 404 } 405 406 407 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) 408 { 409 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 410 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) 411 return 0; 412 413 #ifdef IEEE8021X_EAPOL 414 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && 415 wpa_s->current_ssid && 416 !(wpa_s->current_ssid->eapol_flags & 417 (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 418 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { 419 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either 420 * plaintext or static WEP keys). */ 421 return 0; 422 } 423 #endif /* IEEE8021X_EAPOL */ 424 425 return 1; 426 } 427 428 429 /** 430 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC 431 * @wpa_s: pointer to wpa_supplicant data 432 * @ssid: Configuration data for the network 433 * Returns: 0 on success, -1 on failure 434 * 435 * This function is called when starting authentication with a network that is 436 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). 437 */ 438 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, 439 struct wpa_ssid *ssid) 440 { 441 #ifdef IEEE8021X_EAPOL 442 #ifdef PCSC_FUNCS 443 int aka = 0, sim = 0; 444 445 if ((ssid != NULL && ssid->eap.pcsc == NULL) || 446 wpa_s->scard != NULL || wpa_s->conf->external_sim) 447 return 0; 448 449 if (ssid == NULL || ssid->eap.eap_methods == NULL) { 450 sim = 1; 451 aka = 1; 452 } else { 453 struct eap_method_type *eap = ssid->eap.eap_methods; 454 while (eap->vendor != EAP_VENDOR_IETF || 455 eap->method != EAP_TYPE_NONE) { 456 if (eap->vendor == EAP_VENDOR_IETF) { 457 if (eap->method == EAP_TYPE_SIM) 458 sim = 1; 459 else if (eap->method == EAP_TYPE_AKA || 460 eap->method == EAP_TYPE_AKA_PRIME) 461 aka = 1; 462 } 463 eap++; 464 } 465 } 466 467 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) 468 sim = 0; 469 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && 470 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == 471 NULL) 472 aka = 0; 473 474 if (!sim && !aka) { 475 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " 476 "use SIM, but neither EAP-SIM nor EAP-AKA are " 477 "enabled"); 478 return 0; 479 } 480 481 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " 482 "(sim=%d aka=%d) - initialize PCSC", sim, aka); 483 484 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); 485 if (wpa_s->scard == NULL) { 486 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " 487 "(pcsc-lite)"); 488 return -1; 489 } 490 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); 491 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); 492 #endif /* PCSC_FUNCS */ 493 #endif /* IEEE8021X_EAPOL */ 494 495 return 0; 496 } 497 498 499 #ifndef CONFIG_NO_SCAN_PROCESSING 500 501 #ifdef CONFIG_WEP 502 static int has_wep_key(struct wpa_ssid *ssid) 503 { 504 int i; 505 506 for (i = 0; i < NUM_WEP_KEYS; i++) { 507 if (ssid->wep_key_len[i]) 508 return 1; 509 } 510 511 return 0; 512 } 513 #endif /* CONFIG_WEP */ 514 515 516 static int wpa_supplicant_match_privacy(struct wpa_bss *bss, 517 struct wpa_ssid *ssid) 518 { 519 int privacy = 0; 520 521 if (ssid->mixed_cell) 522 return 1; 523 524 #ifdef CONFIG_WPS 525 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) 526 return 1; 527 #endif /* CONFIG_WPS */ 528 529 #ifdef CONFIG_OWE 530 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only) 531 return 1; 532 #endif /* CONFIG_OWE */ 533 534 #ifdef CONFIG_WEP 535 if (has_wep_key(ssid)) 536 privacy = 1; 537 #endif /* CONFIG_WEP */ 538 539 #ifdef IEEE8021X_EAPOL 540 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 541 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 542 EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) 543 privacy = 1; 544 #endif /* IEEE8021X_EAPOL */ 545 546 if (wpa_key_mgmt_wpa(ssid->key_mgmt)) 547 privacy = 1; 548 549 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) 550 privacy = 1; 551 552 if (bss->caps & IEEE80211_CAP_PRIVACY) 553 return privacy; 554 return !privacy; 555 } 556 557 558 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, 559 struct wpa_ssid *ssid, 560 struct wpa_bss *bss, int debug_print) 561 { 562 struct wpa_ie_data ie; 563 int proto_match = 0; 564 const u8 *rsn_ie, *wpa_ie; 565 int ret; 566 #ifdef CONFIG_WEP 567 int wep_ok; 568 #endif /* CONFIG_WEP */ 569 570 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); 571 if (ret >= 0) 572 return ret; 573 574 #ifdef CONFIG_WEP 575 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ 576 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && 577 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 578 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || 579 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); 580 #endif /* CONFIG_WEP */ 581 582 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 583 while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) { 584 proto_match++; 585 586 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { 587 if (debug_print) 588 wpa_dbg(wpa_s, MSG_DEBUG, 589 " skip RSN IE - parse failed"); 590 break; 591 } 592 if (!ie.has_pairwise) 593 ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq); 594 if (!ie.has_group) 595 ie.group_cipher = wpa_default_rsn_cipher(bss->freq); 596 597 #ifdef CONFIG_WEP 598 if (wep_ok && 599 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 600 { 601 if (debug_print) 602 wpa_dbg(wpa_s, MSG_DEBUG, 603 " selected based on TSN in RSN IE"); 604 return 1; 605 } 606 #endif /* CONFIG_WEP */ 607 608 if (!(ie.proto & ssid->proto) && 609 !(ssid->proto & WPA_PROTO_OSEN)) { 610 if (debug_print) 611 wpa_dbg(wpa_s, MSG_DEBUG, 612 " skip RSN IE - proto mismatch"); 613 break; 614 } 615 616 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 617 if (debug_print) 618 wpa_dbg(wpa_s, MSG_DEBUG, 619 " skip RSN IE - PTK cipher mismatch"); 620 break; 621 } 622 623 if (!(ie.group_cipher & ssid->group_cipher)) { 624 if (debug_print) 625 wpa_dbg(wpa_s, MSG_DEBUG, 626 " skip RSN IE - GTK cipher mismatch"); 627 break; 628 } 629 630 if (ssid->group_mgmt_cipher && 631 !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) { 632 if (debug_print) 633 wpa_dbg(wpa_s, MSG_DEBUG, 634 " skip RSN IE - group mgmt cipher mismatch"); 635 break; 636 } 637 638 if (!(ie.key_mgmt & ssid->key_mgmt)) { 639 if (debug_print) 640 wpa_dbg(wpa_s, MSG_DEBUG, 641 " skip RSN IE - key mgmt mismatch"); 642 break; 643 } 644 645 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 646 wpas_get_ssid_pmf(wpa_s, ssid) == 647 MGMT_FRAME_PROTECTION_REQUIRED) { 648 if (debug_print) 649 wpa_dbg(wpa_s, MSG_DEBUG, 650 " skip RSN IE - no mgmt frame protection"); 651 break; 652 } 653 if ((ie.capabilities & WPA_CAPABILITY_MFPR) && 654 wpas_get_ssid_pmf(wpa_s, ssid) == 655 NO_MGMT_FRAME_PROTECTION) { 656 if (debug_print) 657 wpa_dbg(wpa_s, MSG_DEBUG, 658 " skip RSN IE - no mgmt frame protection enabled but AP requires it"); 659 break; 660 } 661 662 if (debug_print) 663 wpa_dbg(wpa_s, MSG_DEBUG, 664 " selected based on RSN IE"); 665 return 1; 666 } 667 668 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED && 669 (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) { 670 if (debug_print) 671 wpa_dbg(wpa_s, MSG_DEBUG, 672 " skip - MFP Required but network not MFP Capable"); 673 return 0; 674 } 675 676 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 677 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { 678 proto_match++; 679 680 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { 681 if (debug_print) 682 wpa_dbg(wpa_s, MSG_DEBUG, 683 " skip WPA IE - parse failed"); 684 break; 685 } 686 687 #ifdef CONFIG_WEP 688 if (wep_ok && 689 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 690 { 691 if (debug_print) 692 wpa_dbg(wpa_s, MSG_DEBUG, 693 " selected based on TSN in WPA IE"); 694 return 1; 695 } 696 #endif /* CONFIG_WEP */ 697 698 if (!(ie.proto & ssid->proto)) { 699 if (debug_print) 700 wpa_dbg(wpa_s, MSG_DEBUG, 701 " skip WPA IE - proto mismatch"); 702 break; 703 } 704 705 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 706 if (debug_print) 707 wpa_dbg(wpa_s, MSG_DEBUG, 708 " skip WPA IE - PTK cipher mismatch"); 709 break; 710 } 711 712 if (!(ie.group_cipher & ssid->group_cipher)) { 713 if (debug_print) 714 wpa_dbg(wpa_s, MSG_DEBUG, 715 " skip WPA IE - GTK cipher mismatch"); 716 break; 717 } 718 719 if (!(ie.key_mgmt & ssid->key_mgmt)) { 720 if (debug_print) 721 wpa_dbg(wpa_s, MSG_DEBUG, 722 " skip WPA IE - key mgmt mismatch"); 723 break; 724 } 725 726 if (debug_print) 727 wpa_dbg(wpa_s, MSG_DEBUG, 728 " selected based on WPA IE"); 729 return 1; 730 } 731 732 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && 733 !rsn_ie) { 734 if (debug_print) 735 wpa_dbg(wpa_s, MSG_DEBUG, 736 " allow for non-WPA IEEE 802.1X"); 737 return 1; 738 } 739 740 #ifdef CONFIG_OWE 741 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only && 742 !wpa_ie && !rsn_ie) { 743 if (wpa_s->owe_transition_select && 744 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) && 745 ssid->owe_transition_bss_select_count + 1 <= 746 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) { 747 ssid->owe_transition_bss_select_count++; 748 if (debug_print) 749 wpa_dbg(wpa_s, MSG_DEBUG, 750 " skip OWE transition BSS (selection count %d does not exceed %d)", 751 ssid->owe_transition_bss_select_count, 752 MAX_OWE_TRANSITION_BSS_SELECT_COUNT); 753 wpa_s->owe_transition_search = 1; 754 return 0; 755 } 756 if (debug_print) 757 wpa_dbg(wpa_s, MSG_DEBUG, 758 " allow in OWE transition mode"); 759 return 1; 760 } 761 #endif /* CONFIG_OWE */ 762 763 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && 764 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { 765 if (debug_print) 766 wpa_dbg(wpa_s, MSG_DEBUG, 767 " skip - no WPA/RSN proto match"); 768 return 0; 769 } 770 771 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && 772 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) { 773 if (debug_print) 774 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN"); 775 return 1; 776 } 777 778 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { 779 if (debug_print) 780 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); 781 return 1; 782 } 783 784 if (debug_print) 785 wpa_dbg(wpa_s, MSG_DEBUG, 786 " reject due to mismatch with WPA/WPA2"); 787 788 return 0; 789 } 790 791 792 static int freq_allowed(int *freqs, int freq) 793 { 794 int i; 795 796 if (freqs == NULL) 797 return 1; 798 799 for (i = 0; freqs[i]; i++) 800 if (freqs[i] == freq) 801 return 1; 802 return 0; 803 } 804 805 806 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 807 struct wpa_bss *bss, int debug_print) 808 { 809 const struct hostapd_hw_modes *mode = NULL, *modes; 810 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; 811 const u8 *rate_ie; 812 int i, j, k; 813 814 if (bss->freq == 0) 815 return 1; /* Cannot do matching without knowing band */ 816 817 modes = wpa_s->hw.modes; 818 if (modes == NULL) { 819 /* 820 * The driver does not provide any additional information 821 * about the utilized hardware, so allow the connection attempt 822 * to continue. 823 */ 824 return 1; 825 } 826 827 for (i = 0; i < wpa_s->hw.num_modes; i++) { 828 for (j = 0; j < modes[i].num_channels; j++) { 829 int freq = modes[i].channels[j].freq; 830 if (freq == bss->freq) { 831 if (mode && 832 mode->mode == HOSTAPD_MODE_IEEE80211G) 833 break; /* do not allow 802.11b replace 834 * 802.11g */ 835 mode = &modes[i]; 836 break; 837 } 838 } 839 } 840 841 if (mode == NULL) 842 return 0; 843 844 for (i = 0; i < (int) sizeof(scan_ie); i++) { 845 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); 846 if (rate_ie == NULL) 847 continue; 848 849 for (j = 2; j < rate_ie[1] + 2; j++) { 850 int flagged = !!(rate_ie[j] & 0x80); 851 int r = (rate_ie[j] & 0x7f) * 5; 852 853 /* 854 * IEEE Std 802.11n-2009 7.3.2.2: 855 * The new BSS Membership selector value is encoded 856 * like a legacy basic rate, but it is not a rate and 857 * only indicates if the BSS members are required to 858 * support the mandatory features of Clause 20 [HT PHY] 859 * in order to join the BSS. 860 */ 861 if (flagged && ((rate_ie[j] & 0x7f) == 862 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { 863 if (!ht_supported(mode)) { 864 if (debug_print) 865 wpa_dbg(wpa_s, MSG_DEBUG, 866 " hardware does not support HT PHY"); 867 return 0; 868 } 869 continue; 870 } 871 872 /* There's also a VHT selector for 802.11ac */ 873 if (flagged && ((rate_ie[j] & 0x7f) == 874 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) { 875 if (!vht_supported(mode)) { 876 if (debug_print) 877 wpa_dbg(wpa_s, MSG_DEBUG, 878 " hardware does not support VHT PHY"); 879 return 0; 880 } 881 continue; 882 } 883 884 #ifdef CONFIG_SAE 885 if (flagged && ((rate_ie[j] & 0x7f) == 886 BSS_MEMBERSHIP_SELECTOR_SAE_H2E_ONLY)) { 887 if (wpa_s->conf->sae_pwe == 0 && 888 !ssid->sae_password_id && 889 wpa_key_mgmt_sae(ssid->key_mgmt)) { 890 if (debug_print) 891 wpa_dbg(wpa_s, MSG_DEBUG, 892 " SAE H2E disabled"); 893 #ifdef CONFIG_TESTING_OPTIONS 894 if (wpa_s->ignore_sae_h2e_only) { 895 wpa_dbg(wpa_s, MSG_DEBUG, 896 "TESTING: Ignore SAE H2E requirement mismatch"); 897 continue; 898 } 899 #endif /* CONFIG_TESTING_OPTIONS */ 900 return 0; 901 } 902 continue; 903 } 904 #endif /* CONFIG_SAE */ 905 906 if (!flagged) 907 continue; 908 909 /* check for legacy basic rates */ 910 for (k = 0; k < mode->num_rates; k++) { 911 if (mode->rates[k] == r) 912 break; 913 } 914 if (k == mode->num_rates) { 915 /* 916 * IEEE Std 802.11-2007 7.3.2.2 demands that in 917 * order to join a BSS all required rates 918 * have to be supported by the hardware. 919 */ 920 if (debug_print) 921 wpa_dbg(wpa_s, MSG_DEBUG, 922 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)", 923 r / 10, r % 10, 924 bss->freq, mode->mode, mode->num_rates); 925 return 0; 926 } 927 } 928 } 929 930 return 1; 931 } 932 933 934 /* 935 * Test whether BSS is in an ESS. 936 * This is done differently in DMG (60 GHz) and non-DMG bands 937 */ 938 static int bss_is_ess(struct wpa_bss *bss) 939 { 940 if (bss_is_dmg(bss)) { 941 return (bss->caps & IEEE80211_CAP_DMG_MASK) == 942 IEEE80211_CAP_DMG_AP; 943 } 944 945 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == 946 IEEE80211_CAP_ESS); 947 } 948 949 950 static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask) 951 { 952 size_t i; 953 954 for (i = 0; i < ETH_ALEN; i++) { 955 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i])) 956 return 0; 957 } 958 return 1; 959 } 960 961 962 static int addr_in_list(const u8 *addr, const u8 *list, size_t num) 963 { 964 size_t i; 965 966 for (i = 0; i < num; i++) { 967 const u8 *a = list + i * ETH_ALEN * 2; 968 const u8 *m = a + ETH_ALEN; 969 970 if (match_mac_mask(a, addr, m)) 971 return 1; 972 } 973 return 0; 974 } 975 976 977 static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 978 const u8 **ret_ssid, size_t *ret_ssid_len) 979 { 980 #ifdef CONFIG_OWE 981 const u8 *owe, *pos, *end, *bssid; 982 u8 ssid_len; 983 struct wpa_bss *open_bss; 984 985 owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE); 986 if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN)) 987 return; 988 989 pos = owe + 6; 990 end = owe + 2 + owe[1]; 991 992 if (end - pos < ETH_ALEN + 1) 993 return; 994 bssid = pos; 995 pos += ETH_ALEN; 996 ssid_len = *pos++; 997 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) 998 return; 999 1000 /* Match the profile SSID against the OWE transition mode SSID on the 1001 * open network. */ 1002 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR 1003 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len)); 1004 *ret_ssid = pos; 1005 *ret_ssid_len = ssid_len; 1006 1007 if (!(bss->flags & WPA_BSS_OWE_TRANSITION)) { 1008 struct wpa_ssid *ssid; 1009 1010 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1011 if (wpas_network_disabled(wpa_s, ssid)) 1012 continue; 1013 if (ssid->ssid_len == ssid_len && 1014 os_memcmp(ssid->ssid, pos, ssid_len) == 0) { 1015 /* OWE BSS in transition mode for a currently 1016 * enabled OWE network. */ 1017 wpa_dbg(wpa_s, MSG_DEBUG, 1018 "OWE: transition mode OWE SSID for active OWE profile"); 1019 bss->flags |= WPA_BSS_OWE_TRANSITION; 1020 break; 1021 } 1022 } 1023 } 1024 1025 if (bss->ssid_len > 0) 1026 return; 1027 1028 open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid); 1029 if (!open_bss) 1030 return; 1031 if (ssid_len != open_bss->ssid_len || 1032 os_memcmp(pos, open_bss->ssid, ssid_len) != 0) { 1033 wpa_dbg(wpa_s, MSG_DEBUG, 1034 "OWE: transition mode SSID mismatch: %s", 1035 wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len)); 1036 return; 1037 } 1038 1039 owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE); 1040 if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) { 1041 wpa_dbg(wpa_s, MSG_DEBUG, 1042 "OWE: transition mode open BSS unexpected info"); 1043 return; 1044 } 1045 1046 pos = owe + 6; 1047 end = owe + 2 + owe[1]; 1048 1049 if (end - pos < ETH_ALEN + 1) 1050 return; 1051 if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) { 1052 wpa_dbg(wpa_s, MSG_DEBUG, 1053 "OWE: transition mode BSSID mismatch: " MACSTR, 1054 MAC2STR(pos)); 1055 return; 1056 } 1057 pos += ETH_ALEN; 1058 ssid_len = *pos++; 1059 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) 1060 return; 1061 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s", 1062 wpa_ssid_txt(pos, ssid_len)); 1063 os_memcpy(bss->ssid, pos, ssid_len); 1064 bss->ssid_len = ssid_len; 1065 bss->flags |= WPA_BSS_OWE_TRANSITION; 1066 #endif /* CONFIG_OWE */ 1067 } 1068 1069 1070 static int disabled_freq(struct wpa_supplicant *wpa_s, int freq) 1071 { 1072 int i, j; 1073 1074 if (!wpa_s->hw.modes || !wpa_s->hw.num_modes) 1075 return 0; 1076 1077 for (j = 0; j < wpa_s->hw.num_modes; j++) { 1078 struct hostapd_hw_modes *mode = &wpa_s->hw.modes[j]; 1079 1080 for (i = 0; i < mode->num_channels; i++) { 1081 struct hostapd_channel_data *chan = &mode->channels[i]; 1082 1083 if (chan->freq == freq) 1084 return !!(chan->flag & HOSTAPD_CHAN_DISABLED); 1085 } 1086 } 1087 1088 return 1; 1089 } 1090 1091 1092 static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 1093 const u8 *match_ssid, size_t match_ssid_len, 1094 struct wpa_bss *bss, int bssid_ignore_count, 1095 bool debug_print); 1096 1097 1098 #ifdef CONFIG_SAE_PK 1099 static bool sae_pk_acceptable_bss_with_pk(struct wpa_supplicant *wpa_s, 1100 struct wpa_bss *orig_bss, 1101 struct wpa_ssid *ssid, 1102 const u8 *match_ssid, 1103 size_t match_ssid_len) 1104 { 1105 struct wpa_bss *bss; 1106 1107 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1108 int count; 1109 const u8 *ie; 1110 1111 if (bss == orig_bss) 1112 continue; 1113 ie = wpa_bss_get_ie(bss, WLAN_EID_RSNX); 1114 if (!(ieee802_11_rsnx_capab(ie, WLAN_RSNX_CAPAB_SAE_PK))) 1115 continue; 1116 1117 /* TODO: Could be more thorough in checking what kind of 1118 * signal strength or throughput estimate would be acceptable 1119 * compared to the originally selected BSS. */ 1120 if (bss->est_throughput < 2000) 1121 return false; 1122 1123 count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid); 1124 if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len, 1125 bss, count, 0)) 1126 return true; 1127 } 1128 1129 return false; 1130 } 1131 #endif /* CONFIG_SAE_PK */ 1132 1133 1134 static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 1135 const u8 *match_ssid, size_t match_ssid_len, 1136 struct wpa_bss *bss, int bssid_ignore_count, 1137 bool debug_print) 1138 { 1139 int res; 1140 bool wpa, check_ssid, osen, rsn_osen = false; 1141 struct wpa_ie_data data; 1142 #ifdef CONFIG_MBO 1143 const u8 *assoc_disallow; 1144 #endif /* CONFIG_MBO */ 1145 #ifdef CONFIG_SAE 1146 u8 rsnxe_capa = 0; 1147 #endif /* CONFIG_SAE */ 1148 const u8 *ie; 1149 1150 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1151 wpa = ie && ie[1]; 1152 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1153 wpa |= ie && ie[1]; 1154 if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 && 1155 (data.key_mgmt & WPA_KEY_MGMT_OSEN)) 1156 rsn_osen = true; 1157 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); 1158 osen = ie != NULL; 1159 1160 #ifdef CONFIG_SAE 1161 ie = wpa_bss_get_ie(bss, WLAN_EID_RSNX); 1162 if (ie && ie[1] >= 1) 1163 rsnxe_capa = ie[2]; 1164 #endif /* CONFIG_SAE */ 1165 1166 check_ssid = wpa || ssid->ssid_len > 0; 1167 1168 if (wpas_network_disabled(wpa_s, ssid)) { 1169 if (debug_print) 1170 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); 1171 return false; 1172 } 1173 1174 res = wpas_temp_disabled(wpa_s, ssid); 1175 if (res > 0) { 1176 if (debug_print) 1177 wpa_dbg(wpa_s, MSG_DEBUG, 1178 " skip - disabled temporarily for %d second(s)", 1179 res); 1180 return false; 1181 } 1182 1183 #ifdef CONFIG_WPS 1184 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && bssid_ignore_count) { 1185 if (debug_print) 1186 wpa_dbg(wpa_s, MSG_DEBUG, 1187 " skip - BSSID ignored (WPS)"); 1188 return false; 1189 } 1190 1191 if (wpa && ssid->ssid_len == 0 && 1192 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 1193 check_ssid = false; 1194 1195 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 1196 /* Only allow wildcard SSID match if an AP advertises active 1197 * WPS operation that matches our mode. */ 1198 check_ssid = ssid->ssid_len > 0 || 1199 !wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss); 1200 } 1201 #endif /* CONFIG_WPS */ 1202 1203 if (ssid->bssid_set && ssid->ssid_len == 0 && 1204 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) 1205 check_ssid = false; 1206 1207 if (check_ssid && 1208 (match_ssid_len != ssid->ssid_len || 1209 os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) { 1210 if (debug_print) 1211 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch"); 1212 return false; 1213 } 1214 1215 if (ssid->bssid_set && 1216 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { 1217 if (debug_print) 1218 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch"); 1219 return false; 1220 } 1221 1222 /* check the list of BSSIDs to ignore */ 1223 if (ssid->num_bssid_ignore && 1224 addr_in_list(bss->bssid, ssid->bssid_ignore, 1225 ssid->num_bssid_ignore)) { 1226 if (debug_print) 1227 wpa_dbg(wpa_s, MSG_DEBUG, 1228 " skip - BSSID configured to be ignored"); 1229 return false; 1230 } 1231 1232 /* if there is a list of accepted BSSIDs, only accept those APs */ 1233 if (ssid->num_bssid_accept && 1234 !addr_in_list(bss->bssid, ssid->bssid_accept, 1235 ssid->num_bssid_accept)) { 1236 if (debug_print) 1237 wpa_dbg(wpa_s, MSG_DEBUG, 1238 " skip - BSSID not in list of accepted values"); 1239 return false; 1240 } 1241 1242 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, debug_print)) 1243 return false; 1244 1245 if (!osen && !wpa && 1246 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 1247 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && 1248 !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) && 1249 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { 1250 if (debug_print) 1251 wpa_dbg(wpa_s, MSG_DEBUG, 1252 " skip - non-WPA network not allowed"); 1253 return false; 1254 } 1255 1256 #ifdef CONFIG_WEP 1257 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && has_wep_key(ssid)) { 1258 if (debug_print) 1259 wpa_dbg(wpa_s, MSG_DEBUG, 1260 " skip - ignore WPA/WPA2 AP for WEP network block"); 1261 return false; 1262 } 1263 #endif /* CONFIG_WEP */ 1264 1265 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen && !rsn_osen) { 1266 if (debug_print) 1267 wpa_dbg(wpa_s, MSG_DEBUG, 1268 " skip - non-OSEN network not allowed"); 1269 return false; 1270 } 1271 1272 if (!wpa_supplicant_match_privacy(bss, ssid)) { 1273 if (debug_print) 1274 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy mismatch"); 1275 return false; 1276 } 1277 1278 if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) && 1279 !bss_is_pbss(bss)) { 1280 if (debug_print) 1281 wpa_dbg(wpa_s, MSG_DEBUG, 1282 " skip - not ESS, PBSS, or MBSS"); 1283 return false; 1284 } 1285 1286 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) { 1287 if (debug_print) 1288 wpa_dbg(wpa_s, MSG_DEBUG, 1289 " skip - PBSS mismatch (ssid %d bss %d)", 1290 ssid->pbss, bss_is_pbss(bss)); 1291 return false; 1292 } 1293 1294 if (!freq_allowed(ssid->freq_list, bss->freq)) { 1295 if (debug_print) 1296 wpa_dbg(wpa_s, MSG_DEBUG, 1297 " skip - frequency not allowed"); 1298 return false; 1299 } 1300 1301 #ifdef CONFIG_MESH 1302 if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 && 1303 ssid->frequency != bss->freq) { 1304 if (debug_print) 1305 wpa_dbg(wpa_s, MSG_DEBUG, 1306 " skip - frequency not allowed (mesh)"); 1307 return false; 1308 } 1309 #endif /* CONFIG_MESH */ 1310 1311 if (!rate_match(wpa_s, ssid, bss, debug_print)) { 1312 if (debug_print) 1313 wpa_dbg(wpa_s, MSG_DEBUG, 1314 " skip - rate sets do not match"); 1315 return false; 1316 } 1317 1318 #ifdef CONFIG_SAE 1319 if ((wpa_s->conf->sae_pwe == 1 || ssid->sae_password_id) && 1320 wpa_s->conf->sae_pwe != 3 && wpa_key_mgmt_sae(ssid->key_mgmt) && 1321 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) { 1322 if (debug_print) 1323 wpa_dbg(wpa_s, MSG_DEBUG, 1324 " skip - SAE H2E required, but not supported by the AP"); 1325 return false; 1326 } 1327 #endif /* CONFIG_SAE */ 1328 1329 #ifdef CONFIG_SAE_PK 1330 if (ssid->sae_pk == SAE_PK_MODE_ONLY && 1331 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK))) { 1332 if (debug_print) 1333 wpa_dbg(wpa_s, MSG_DEBUG, 1334 " skip - SAE-PK required, but not supported by the AP"); 1335 return false; 1336 } 1337 #endif /* CONFIG_SAE_PK */ 1338 1339 #ifndef CONFIG_IBSS_RSN 1340 if (ssid->mode == WPAS_MODE_IBSS && 1341 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPA_NONE))) { 1342 if (debug_print) 1343 wpa_dbg(wpa_s, MSG_DEBUG, 1344 " skip - IBSS RSN not supported in the build"); 1345 return false; 1346 } 1347 #endif /* !CONFIG_IBSS_RSN */ 1348 1349 #ifdef CONFIG_P2P 1350 if (ssid->p2p_group && 1351 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && 1352 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { 1353 if (debug_print) 1354 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen"); 1355 return false; 1356 } 1357 1358 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) { 1359 struct wpabuf *p2p_ie; 1360 u8 dev_addr[ETH_ALEN]; 1361 1362 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE); 1363 if (!ie) { 1364 if (debug_print) 1365 wpa_dbg(wpa_s, MSG_DEBUG, 1366 " skip - no P2P element"); 1367 return false; 1368 } 1369 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); 1370 if (!p2p_ie) { 1371 if (debug_print) 1372 wpa_dbg(wpa_s, MSG_DEBUG, 1373 " skip - could not fetch P2P element"); 1374 return false; 1375 } 1376 1377 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 || 1378 os_memcmp(dev_addr, ssid->go_p2p_dev_addr, ETH_ALEN) != 0) { 1379 if (debug_print) 1380 wpa_dbg(wpa_s, MSG_DEBUG, 1381 " skip - no matching GO P2P Device Address in P2P element"); 1382 wpabuf_free(p2p_ie); 1383 return false; 1384 } 1385 wpabuf_free(p2p_ie); 1386 } 1387 1388 /* 1389 * TODO: skip the AP if its P2P IE has Group Formation bit set in the 1390 * P2P Group Capability Bitmap and we are not in Group Formation with 1391 * that device. 1392 */ 1393 #endif /* CONFIG_P2P */ 1394 1395 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) { 1396 struct os_reltime diff; 1397 1398 os_reltime_sub(&wpa_s->scan_min_time, &bss->last_update, &diff); 1399 if (debug_print) 1400 wpa_dbg(wpa_s, MSG_DEBUG, 1401 " skip - scan result not recent enough (%u.%06u seconds too old)", 1402 (unsigned int) diff.sec, 1403 (unsigned int) diff.usec); 1404 return false; 1405 } 1406 #ifdef CONFIG_MBO 1407 #ifdef CONFIG_TESTING_OPTIONS 1408 if (wpa_s->ignore_assoc_disallow) 1409 goto skip_assoc_disallow; 1410 #endif /* CONFIG_TESTING_OPTIONS */ 1411 assoc_disallow = wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_ASSOC_DISALLOW); 1412 if (assoc_disallow && assoc_disallow[1] >= 1) { 1413 if (debug_print) 1414 wpa_dbg(wpa_s, MSG_DEBUG, 1415 " skip - MBO association disallowed (reason %u)", 1416 assoc_disallow[2]); 1417 return false; 1418 } 1419 1420 if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) { 1421 if (debug_print) 1422 wpa_dbg(wpa_s, MSG_DEBUG, 1423 " skip - AP temporarily disallowed"); 1424 return false; 1425 } 1426 #ifdef CONFIG_TESTING_OPTIONS 1427 skip_assoc_disallow: 1428 #endif /* CONFIG_TESTING_OPTIONS */ 1429 #endif /* CONFIG_MBO */ 1430 1431 #ifdef CONFIG_DPP 1432 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) && 1433 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) && 1434 (!ssid->dpp_connector || !ssid->dpp_netaccesskey || 1435 !ssid->dpp_csign)) { 1436 if (debug_print) 1437 wpa_dbg(wpa_s, MSG_DEBUG, 1438 " skip - no PMKSA entry for DPP"); 1439 return false; 1440 } 1441 #endif /* CONFIG_DPP */ 1442 1443 #ifdef CONFIG_SAE_PK 1444 if (ssid->sae_pk == SAE_PK_MODE_AUTOMATIC && 1445 wpa_key_mgmt_sae(ssid->key_mgmt) && 1446 ((ssid->sae_password && 1447 sae_pk_valid_password(ssid->sae_password)) || 1448 (!ssid->sae_password && ssid->passphrase && 1449 sae_pk_valid_password(ssid->passphrase))) && 1450 !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK)) && 1451 sae_pk_acceptable_bss_with_pk(wpa_s, bss, ssid, match_ssid, 1452 match_ssid_len)) { 1453 if (debug_print) 1454 wpa_dbg(wpa_s, MSG_DEBUG, 1455 " skip - another acceptable BSS with SAE-PK in the same ESS"); 1456 return false; 1457 } 1458 #endif /* CONFIG_SAE_PK */ 1459 1460 if (bss->ssid_len == 0) { 1461 if (debug_print) 1462 wpa_dbg(wpa_s, MSG_DEBUG, 1463 " skip - no SSID known for the BSS"); 1464 return false; 1465 } 1466 1467 /* Matching configuration found */ 1468 return true; 1469 } 1470 1471 1472 struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, 1473 int i, struct wpa_bss *bss, 1474 struct wpa_ssid *group, 1475 int only_first_ssid, int debug_print) 1476 { 1477 u8 wpa_ie_len, rsn_ie_len; 1478 const u8 *ie; 1479 struct wpa_ssid *ssid; 1480 int osen; 1481 const u8 *match_ssid; 1482 size_t match_ssid_len; 1483 int bssid_ignore_count; 1484 1485 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1486 wpa_ie_len = ie ? ie[1] : 0; 1487 1488 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1489 rsn_ie_len = ie ? ie[1] : 0; 1490 1491 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); 1492 osen = ie != NULL; 1493 1494 if (debug_print) { 1495 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR 1496 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s", 1497 i, MAC2STR(bss->bssid), 1498 wpa_ssid_txt(bss->ssid, bss->ssid_len), 1499 wpa_ie_len, rsn_ie_len, bss->caps, bss->level, 1500 bss->freq, 1501 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? 1502 " wps" : "", 1503 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) || 1504 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) 1505 ? " p2p" : "", 1506 osen ? " osen=1" : ""); 1507 } 1508 1509 bssid_ignore_count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid); 1510 if (bssid_ignore_count) { 1511 int limit = 1; 1512 if (wpa_supplicant_enabled_networks(wpa_s) == 1) { 1513 /* 1514 * When only a single network is enabled, we can 1515 * trigger BSSID ignoring on the first failure. This 1516 * should not be done with multiple enabled networks to 1517 * avoid getting forced to move into a worse ESS on 1518 * single error if there are no other BSSes of the 1519 * current ESS. 1520 */ 1521 limit = 0; 1522 } 1523 if (bssid_ignore_count > limit) { 1524 if (debug_print) { 1525 wpa_dbg(wpa_s, MSG_DEBUG, 1526 " skip - BSSID ignored (count=%d limit=%d)", 1527 bssid_ignore_count, limit); 1528 } 1529 return NULL; 1530 } 1531 } 1532 1533 match_ssid = bss->ssid; 1534 match_ssid_len = bss->ssid_len; 1535 owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len); 1536 1537 if (match_ssid_len == 0) { 1538 if (debug_print) 1539 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); 1540 return NULL; 1541 } 1542 1543 if (disallowed_bssid(wpa_s, bss->bssid)) { 1544 if (debug_print) 1545 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); 1546 return NULL; 1547 } 1548 1549 if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) { 1550 if (debug_print) 1551 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); 1552 return NULL; 1553 } 1554 1555 if (disabled_freq(wpa_s, bss->freq)) { 1556 if (debug_print) 1557 wpa_dbg(wpa_s, MSG_DEBUG, " skip - channel disabled"); 1558 return NULL; 1559 } 1560 1561 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) { 1562 if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len, 1563 bss, bssid_ignore_count, debug_print)) 1564 return ssid; 1565 } 1566 1567 /* No matching configuration found */ 1568 return NULL; 1569 } 1570 1571 1572 static struct wpa_bss * 1573 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, 1574 struct wpa_ssid *group, 1575 struct wpa_ssid **selected_ssid, 1576 int only_first_ssid) 1577 { 1578 unsigned int i; 1579 1580 if (wpa_s->current_ssid) { 1581 struct wpa_ssid *ssid; 1582 1583 wpa_dbg(wpa_s, MSG_DEBUG, 1584 "Scan results matching the currently selected network"); 1585 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1586 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1587 1588 ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1589 only_first_ssid, 0); 1590 if (ssid != wpa_s->current_ssid) 1591 continue; 1592 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR 1593 " freq=%d level=%d snr=%d est_throughput=%u", 1594 i, MAC2STR(bss->bssid), bss->freq, bss->level, 1595 bss->snr, bss->est_throughput); 1596 } 1597 } 1598 1599 if (only_first_ssid) 1600 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d", 1601 group->id); 1602 else 1603 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", 1604 group->priority); 1605 1606 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1607 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1608 1609 wpa_s->owe_transition_select = 1; 1610 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1611 only_first_ssid, 1); 1612 wpa_s->owe_transition_select = 0; 1613 if (!*selected_ssid) 1614 continue; 1615 wpa_dbg(wpa_s, MSG_DEBUG, " selected %sBSS " MACSTR 1616 " ssid='%s'", 1617 bss == wpa_s->current_bss ? "current ": "", 1618 MAC2STR(bss->bssid), 1619 wpa_ssid_txt(bss->ssid, bss->ssid_len)); 1620 return bss; 1621 } 1622 1623 return NULL; 1624 } 1625 1626 1627 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, 1628 struct wpa_ssid **selected_ssid) 1629 { 1630 struct wpa_bss *selected = NULL; 1631 size_t prio; 1632 struct wpa_ssid *next_ssid = NULL; 1633 struct wpa_ssid *ssid; 1634 1635 if (wpa_s->last_scan_res == NULL || 1636 wpa_s->last_scan_res_used == 0) 1637 return NULL; /* no scan results from last update */ 1638 1639 if (wpa_s->next_ssid) { 1640 /* check that next_ssid is still valid */ 1641 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1642 if (ssid == wpa_s->next_ssid) 1643 break; 1644 } 1645 next_ssid = ssid; 1646 wpa_s->next_ssid = NULL; 1647 } 1648 1649 while (selected == NULL) { 1650 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 1651 if (next_ssid && next_ssid->priority == 1652 wpa_s->conf->pssid[prio]->priority) { 1653 selected = wpa_supplicant_select_bss( 1654 wpa_s, next_ssid, selected_ssid, 1); 1655 if (selected) 1656 break; 1657 } 1658 selected = wpa_supplicant_select_bss( 1659 wpa_s, wpa_s->conf->pssid[prio], 1660 selected_ssid, 0); 1661 if (selected) 1662 break; 1663 } 1664 1665 if (selected == NULL && wpa_s->bssid_ignore && 1666 !wpa_s->countermeasures) { 1667 wpa_dbg(wpa_s, MSG_DEBUG, 1668 "No APs found - clear BSSID ignore list and try again"); 1669 wpa_bssid_ignore_clear(wpa_s); 1670 wpa_s->bssid_ignore_cleared = true; 1671 } else if (selected == NULL) 1672 break; 1673 } 1674 1675 ssid = *selected_ssid; 1676 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set && 1677 !ssid->passphrase && !ssid->ext_psk) { 1678 const char *field_name, *txt = NULL; 1679 1680 wpa_dbg(wpa_s, MSG_DEBUG, 1681 "PSK/passphrase not yet available for the selected network"); 1682 1683 wpas_notify_network_request(wpa_s, ssid, 1684 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL); 1685 1686 field_name = wpa_supplicant_ctrl_req_to_string( 1687 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt); 1688 if (field_name == NULL) 1689 return NULL; 1690 1691 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt); 1692 1693 selected = NULL; 1694 } 1695 1696 return selected; 1697 } 1698 1699 1700 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, 1701 int timeout_sec, int timeout_usec) 1702 { 1703 if (!wpa_supplicant_enabled_networks(wpa_s)) { 1704 /* 1705 * No networks are enabled; short-circuit request so 1706 * we don't wait timeout seconds before transitioning 1707 * to INACTIVE state. 1708 */ 1709 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " 1710 "since there are no enabled networks"); 1711 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); 1712 return; 1713 } 1714 1715 wpa_s->scan_for_connection = 1; 1716 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); 1717 } 1718 1719 1720 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, 1721 struct wpa_bss *selected, 1722 struct wpa_ssid *ssid) 1723 { 1724 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { 1725 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP 1726 "PBC session overlap"); 1727 wpas_notify_wps_event_pbc_overlap(wpa_s); 1728 #ifdef CONFIG_P2P 1729 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || 1730 wpa_s->p2p_in_provisioning) { 1731 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, 1732 wpa_s, NULL); 1733 return -1; 1734 } 1735 #endif /* CONFIG_P2P */ 1736 1737 #ifdef CONFIG_WPS 1738 wpas_wps_pbc_overlap(wpa_s); 1739 wpas_wps_cancel(wpa_s); 1740 #endif /* CONFIG_WPS */ 1741 return -1; 1742 } 1743 1744 wpa_msg(wpa_s, MSG_DEBUG, 1745 "Considering connect request: reassociate: %d selected: " 1746 MACSTR " bssid: " MACSTR " pending: " MACSTR 1747 " wpa_state: %s ssid=%p current_ssid=%p", 1748 wpa_s->reassociate, MAC2STR(selected->bssid), 1749 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), 1750 wpa_supplicant_state_txt(wpa_s->wpa_state), 1751 ssid, wpa_s->current_ssid); 1752 1753 /* 1754 * Do not trigger new association unless the BSSID has changed or if 1755 * reassociation is requested. If we are in process of associating with 1756 * the selected BSSID, do not trigger new attempt. 1757 */ 1758 if (wpa_s->reassociate || 1759 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && 1760 ((wpa_s->wpa_state != WPA_ASSOCIATING && 1761 wpa_s->wpa_state != WPA_AUTHENTICATING) || 1762 (!is_zero_ether_addr(wpa_s->pending_bssid) && 1763 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != 1764 0) || 1765 (is_zero_ether_addr(wpa_s->pending_bssid) && 1766 ssid != wpa_s->current_ssid)))) { 1767 if (wpa_supplicant_scard_init(wpa_s, ssid)) { 1768 wpa_supplicant_req_new_scan(wpa_s, 10, 0); 1769 return 0; 1770 } 1771 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR, 1772 MAC2STR(selected->bssid)); 1773 wpa_supplicant_associate(wpa_s, selected, ssid); 1774 } else { 1775 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to " 1776 "connect with the selected AP"); 1777 } 1778 1779 return 0; 1780 } 1781 1782 1783 static struct wpa_ssid * 1784 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) 1785 { 1786 size_t prio; 1787 struct wpa_ssid *ssid; 1788 1789 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 1790 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) 1791 { 1792 if (wpas_network_disabled(wpa_s, ssid)) 1793 continue; 1794 #ifndef CONFIG_IBSS_RSN 1795 if (ssid->mode == WPAS_MODE_IBSS && 1796 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | 1797 WPA_KEY_MGMT_WPA_NONE))) { 1798 wpa_msg(wpa_s, MSG_INFO, 1799 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'", 1800 wpa_ssid_txt(ssid->ssid, 1801 ssid->ssid_len)); 1802 continue; 1803 } 1804 #endif /* !CONFIG_IBSS_RSN */ 1805 if (ssid->mode == WPAS_MODE_IBSS || 1806 ssid->mode == WPAS_MODE_AP || 1807 ssid->mode == WPAS_MODE_MESH) 1808 return ssid; 1809 } 1810 } 1811 return NULL; 1812 } 1813 1814 1815 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based 1816 * on BSS added and BSS changed events */ 1817 static void wpa_supplicant_rsn_preauth_scan_results( 1818 struct wpa_supplicant *wpa_s) 1819 { 1820 struct wpa_bss *bss; 1821 1822 if (rsn_preauth_scan_results(wpa_s->wpa) < 0) 1823 return; 1824 1825 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1826 const u8 *ssid, *rsn; 1827 1828 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); 1829 if (ssid == NULL) 1830 continue; 1831 1832 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1833 if (rsn == NULL) 1834 continue; 1835 1836 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); 1837 } 1838 1839 } 1840 1841 1842 #ifndef CONFIG_NO_ROAMING 1843 1844 static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise) 1845 { 1846 if (noise == WPA_INVALID_NOISE) 1847 noise = IS_5GHZ(frequency) ? DEFAULT_NOISE_FLOOR_5GHZ : 1848 DEFAULT_NOISE_FLOOR_2GHZ; 1849 return avg_signal - noise; 1850 } 1851 1852 1853 static unsigned int 1854 wpas_get_est_throughput_from_bss_snr(const struct wpa_supplicant *wpa_s, 1855 const struct wpa_bss *bss, int snr) 1856 { 1857 int rate = wpa_bss_get_max_rate(bss); 1858 const u8 *ies = wpa_bss_ie_ptr(bss); 1859 size_t ie_len = bss->ie_len ? bss->ie_len : bss->beacon_ie_len; 1860 1861 return wpas_get_est_tpt(wpa_s, ies, ie_len, rate, snr, bss->freq); 1862 } 1863 1864 1865 int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s, 1866 struct wpa_bss *current_bss, 1867 struct wpa_bss *selected) 1868 { 1869 int min_diff, diff; 1870 int to_5ghz; 1871 int cur_level; 1872 unsigned int cur_est, sel_est; 1873 struct wpa_signal_info si; 1874 int cur_snr = 0; 1875 int ret = 0; 1876 1877 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); 1878 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR 1879 " freq=%d level=%d snr=%d est_throughput=%u", 1880 MAC2STR(current_bss->bssid), 1881 current_bss->freq, current_bss->level, 1882 current_bss->snr, current_bss->est_throughput); 1883 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR 1884 " freq=%d level=%d snr=%d est_throughput=%u", 1885 MAC2STR(selected->bssid), selected->freq, selected->level, 1886 selected->snr, selected->est_throughput); 1887 1888 if (wpa_s->current_ssid->bssid_set && 1889 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == 1890 0) { 1891 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " 1892 "has preferred BSSID"); 1893 return 1; 1894 } 1895 1896 cur_level = current_bss->level; 1897 cur_est = current_bss->est_throughput; 1898 sel_est = selected->est_throughput; 1899 1900 /* 1901 * Try to poll the signal from the driver since this will allow to get 1902 * more accurate values. In some cases, there can be big differences 1903 * between the RSSI of the Probe Response frames of the AP we are 1904 * associated with and the Beacon frames we hear from the same AP after 1905 * association. This can happen, e.g., when there are two antennas that 1906 * hear the AP very differently. If the driver chooses to hear the 1907 * Probe Response frames during the scan on the "bad" antenna because 1908 * it wants to save power, but knows to choose the other antenna after 1909 * association, we will hear our AP with a low RSSI as part of the 1910 * scan even when we can hear it decently on the other antenna. To cope 1911 * with this, ask the driver to teach us how it hears the AP. Also, the 1912 * scan results may be a bit old, since we can very quickly get fresh 1913 * information about our currently associated AP. 1914 */ 1915 if (wpa_drv_signal_poll(wpa_s, &si) == 0 && 1916 (si.avg_beacon_signal || si.avg_signal)) { 1917 cur_level = si.avg_beacon_signal ? si.avg_beacon_signal : 1918 si.avg_signal; 1919 cur_snr = wpas_get_snr_signal_info(si.frequency, cur_level, 1920 si.current_noise); 1921 1922 cur_est = wpas_get_est_throughput_from_bss_snr(wpa_s, 1923 current_bss, 1924 cur_snr); 1925 wpa_dbg(wpa_s, MSG_DEBUG, 1926 "Using signal poll values for the current BSS: level=%d snr=%d est_throughput=%u", 1927 cur_level, cur_snr, cur_est); 1928 } 1929 1930 if (sel_est > cur_est + 5000) { 1931 wpa_dbg(wpa_s, MSG_DEBUG, 1932 "Allow reassociation - selected BSS has better estimated throughput"); 1933 return 1; 1934 } 1935 1936 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000; 1937 1938 if (cur_level < 0 && cur_level > selected->level + to_5ghz * 2 && 1939 sel_est < cur_est * 1.2) { 1940 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " 1941 "signal level"); 1942 return 0; 1943 } 1944 1945 if (cur_est > sel_est + 5000) { 1946 wpa_dbg(wpa_s, MSG_DEBUG, 1947 "Skip roam - Current BSS has better estimated throughput"); 1948 return 0; 1949 } 1950 1951 if (cur_snr > GREAT_SNR) { 1952 wpa_dbg(wpa_s, MSG_DEBUG, 1953 "Skip roam - Current BSS has good SNR (%u > %u)", 1954 cur_snr, GREAT_SNR); 1955 return 0; 1956 } 1957 1958 if (cur_level < -85) /* ..-86 dBm */ 1959 min_diff = 1; 1960 else if (cur_level < -80) /* -85..-81 dBm */ 1961 min_diff = 2; 1962 else if (cur_level < -75) /* -80..-76 dBm */ 1963 min_diff = 3; 1964 else if (cur_level < -70) /* -75..-71 dBm */ 1965 min_diff = 4; 1966 else if (cur_level < 0) /* -70..-1 dBm */ 1967 min_diff = 5; 1968 else /* unspecified units (not in dBm) */ 1969 min_diff = 2; 1970 1971 if (cur_est > sel_est * 1.5) 1972 min_diff += 10; 1973 else if (cur_est > sel_est * 1.2) 1974 min_diff += 5; 1975 else if (cur_est > sel_est * 1.1) 1976 min_diff += 2; 1977 else if (cur_est > sel_est) 1978 min_diff++; 1979 else if (sel_est > cur_est * 1.5) 1980 min_diff -= 10; 1981 else if (sel_est > cur_est * 1.2) 1982 min_diff -= 5; 1983 else if (sel_est > cur_est * 1.1) 1984 min_diff -= 2; 1985 else if (sel_est > cur_est) 1986 min_diff--; 1987 1988 if (to_5ghz) 1989 min_diff -= 2; 1990 diff = selected->level - cur_level; 1991 if (diff < min_diff) { 1992 wpa_dbg(wpa_s, MSG_DEBUG, 1993 "Skip roam - too small difference in signal level (%d < %d)", 1994 diff, min_diff); 1995 ret = 0; 1996 } else { 1997 wpa_dbg(wpa_s, MSG_DEBUG, 1998 "Allow reassociation due to difference in signal level (%d >= %d)", 1999 diff, min_diff); 2000 ret = 1; 2001 } 2002 wpa_msg_ctrl(wpa_s, MSG_INFO, "%scur_bssid=" MACSTR 2003 " cur_freq=%d cur_level=%d cur_est=%d sel_bssid=" MACSTR 2004 " sel_freq=%d sel_level=%d sel_est=%d", 2005 ret ? WPA_EVENT_DO_ROAM : WPA_EVENT_SKIP_ROAM, 2006 MAC2STR(current_bss->bssid), 2007 current_bss->freq, cur_level, cur_est, 2008 MAC2STR(selected->bssid), 2009 selected->freq, selected->level, sel_est); 2010 return ret; 2011 } 2012 2013 #endif /* CONFIG_NO_ROAMING */ 2014 2015 2016 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, 2017 struct wpa_bss *selected, 2018 struct wpa_ssid *ssid) 2019 { 2020 struct wpa_bss *current_bss = NULL; 2021 2022 if (wpa_s->reassociate) 2023 return 1; /* explicit request to reassociate */ 2024 if (wpa_s->wpa_state < WPA_ASSOCIATED) 2025 return 1; /* we are not associated; continue */ 2026 if (wpa_s->current_ssid == NULL) 2027 return 1; /* unknown current SSID */ 2028 if (wpa_s->current_ssid != ssid) 2029 return 1; /* different network block */ 2030 2031 if (wpas_driver_bss_selection(wpa_s)) 2032 return 0; /* Driver-based roaming */ 2033 2034 if (wpa_s->current_ssid->ssid) 2035 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, 2036 wpa_s->current_ssid->ssid, 2037 wpa_s->current_ssid->ssid_len); 2038 if (!current_bss) 2039 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 2040 2041 if (!current_bss) 2042 return 1; /* current BSS not seen in scan results */ 2043 2044 if (current_bss == selected) 2045 return 0; 2046 2047 if (selected->last_update_idx > current_bss->last_update_idx) 2048 return 1; /* current BSS not seen in the last scan */ 2049 2050 #ifndef CONFIG_NO_ROAMING 2051 return wpa_supplicant_need_to_roam_within_ess(wpa_s, current_bss, 2052 selected); 2053 #else /* CONFIG_NO_ROAMING */ 2054 return 0; 2055 #endif /* CONFIG_NO_ROAMING */ 2056 } 2057 2058 2059 /* 2060 * Return a negative value if no scan results could be fetched or if scan 2061 * results should not be shared with other virtual interfaces. 2062 * Return 0 if scan results were fetched and may be shared with other 2063 * interfaces. 2064 * Return 1 if scan results may be shared with other virtual interfaces but may 2065 * not trigger any operations. 2066 * Return 2 if the interface was removed and cannot be used. 2067 */ 2068 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 2069 union wpa_event_data *data, 2070 int own_request, int update_only) 2071 { 2072 struct wpa_scan_results *scan_res = NULL; 2073 int ret = 0; 2074 int ap = 0; 2075 #ifndef CONFIG_NO_RANDOM_POOL 2076 size_t i, num; 2077 #endif /* CONFIG_NO_RANDOM_POOL */ 2078 2079 #ifdef CONFIG_AP 2080 if (wpa_s->ap_iface) 2081 ap = 1; 2082 #endif /* CONFIG_AP */ 2083 2084 wpa_supplicant_notify_scanning(wpa_s, 0); 2085 2086 scan_res = wpa_supplicant_get_scan_results(wpa_s, 2087 data ? &data->scan_info : 2088 NULL, 1); 2089 if (scan_res == NULL) { 2090 if (wpa_s->conf->ap_scan == 2 || ap || 2091 wpa_s->scan_res_handler == scan_only_handler) 2092 return -1; 2093 if (!own_request) 2094 return -1; 2095 if (data && data->scan_info.external_scan) 2096 return -1; 2097 if (wpa_s->scan_res_fail_handler) { 2098 void (*handler)(struct wpa_supplicant *wpa_s); 2099 2100 handler = wpa_s->scan_res_fail_handler; 2101 wpa_s->scan_res_fail_handler = NULL; 2102 handler(wpa_s); 2103 } else { 2104 wpa_dbg(wpa_s, MSG_DEBUG, 2105 "Failed to get scan results - try scanning again"); 2106 wpa_supplicant_req_new_scan(wpa_s, 1, 0); 2107 } 2108 2109 ret = -1; 2110 goto scan_work_done; 2111 } 2112 2113 #ifndef CONFIG_NO_RANDOM_POOL 2114 num = scan_res->num; 2115 if (num > 10) 2116 num = 10; 2117 for (i = 0; i < num; i++) { 2118 u8 buf[5]; 2119 struct wpa_scan_res *res = scan_res->res[i]; 2120 buf[0] = res->bssid[5]; 2121 buf[1] = res->qual & 0xff; 2122 buf[2] = res->noise & 0xff; 2123 buf[3] = res->level & 0xff; 2124 buf[4] = res->tsf & 0xff; 2125 random_add_randomness(buf, sizeof(buf)); 2126 } 2127 #endif /* CONFIG_NO_RANDOM_POOL */ 2128 2129 if (update_only) { 2130 ret = 1; 2131 goto scan_work_done; 2132 } 2133 2134 if (own_request && wpa_s->scan_res_handler && 2135 !(data && data->scan_info.external_scan)) { 2136 void (*scan_res_handler)(struct wpa_supplicant *wpa_s, 2137 struct wpa_scan_results *scan_res); 2138 2139 scan_res_handler = wpa_s->scan_res_handler; 2140 wpa_s->scan_res_handler = NULL; 2141 scan_res_handler(wpa_s, scan_res); 2142 ret = 1; 2143 goto scan_work_done; 2144 } 2145 2146 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)", 2147 wpa_s->own_scan_running, 2148 data ? data->scan_info.external_scan : 0); 2149 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 2150 wpa_s->manual_scan_use_id && wpa_s->own_scan_running && 2151 own_request && !(data && data->scan_info.external_scan)) { 2152 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u", 2153 wpa_s->manual_scan_id); 2154 wpa_s->manual_scan_use_id = 0; 2155 } else { 2156 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); 2157 } 2158 wpas_notify_scan_results(wpa_s); 2159 2160 wpas_notify_scan_done(wpa_s, 1); 2161 2162 if (ap) { 2163 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); 2164 #ifdef CONFIG_AP 2165 if (wpa_s->ap_iface->scan_cb) 2166 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); 2167 #endif /* CONFIG_AP */ 2168 goto scan_work_done; 2169 } 2170 2171 if (data && data->scan_info.external_scan) { 2172 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection"); 2173 wpa_scan_results_free(scan_res); 2174 return 0; 2175 } 2176 2177 if (wnm_scan_process(wpa_s, 1) > 0) 2178 goto scan_work_done; 2179 2180 if (sme_proc_obss_scan(wpa_s) > 0) 2181 goto scan_work_done; 2182 2183 if (own_request && data && 2184 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0) 2185 goto scan_work_done; 2186 2187 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) 2188 goto scan_work_done; 2189 2190 if (autoscan_notify_scan(wpa_s, scan_res)) 2191 goto scan_work_done; 2192 2193 if (wpa_s->disconnected) { 2194 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 2195 goto scan_work_done; 2196 } 2197 2198 if (!wpas_driver_bss_selection(wpa_s) && 2199 bgscan_notify_scan(wpa_s, scan_res) == 1) 2200 goto scan_work_done; 2201 2202 wpas_wps_update_ap_info(wpa_s, scan_res); 2203 2204 if (wpa_s->wpa_state >= WPA_AUTHENTICATING && 2205 wpa_s->wpa_state < WPA_COMPLETED) 2206 goto scan_work_done; 2207 2208 wpa_scan_results_free(scan_res); 2209 2210 if (own_request && wpa_s->scan_work) { 2211 struct wpa_radio_work *work = wpa_s->scan_work; 2212 wpa_s->scan_work = NULL; 2213 radio_work_done(work); 2214 } 2215 2216 os_free(wpa_s->last_scan_freqs); 2217 wpa_s->last_scan_freqs = NULL; 2218 wpa_s->num_last_scan_freqs = 0; 2219 if (own_request && data && 2220 data->scan_info.freqs && data->scan_info.num_freqs) { 2221 wpa_s->last_scan_freqs = os_malloc(sizeof(int) * 2222 data->scan_info.num_freqs); 2223 if (wpa_s->last_scan_freqs) { 2224 os_memcpy(wpa_s->last_scan_freqs, 2225 data->scan_info.freqs, 2226 sizeof(int) * data->scan_info.num_freqs); 2227 wpa_s->num_last_scan_freqs = data->scan_info.num_freqs; 2228 } 2229 } 2230 2231 return wpas_select_network_from_last_scan(wpa_s, 1, own_request); 2232 2233 scan_work_done: 2234 wpa_scan_results_free(scan_res); 2235 if (own_request && wpa_s->scan_work) { 2236 struct wpa_radio_work *work = wpa_s->scan_work; 2237 wpa_s->scan_work = NULL; 2238 radio_work_done(work); 2239 } 2240 return ret; 2241 } 2242 2243 2244 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 2245 int new_scan, int own_request) 2246 { 2247 struct wpa_bss *selected; 2248 struct wpa_ssid *ssid = NULL; 2249 int time_to_reenable = wpas_reenabled_network_time(wpa_s); 2250 2251 if (time_to_reenable > 0) { 2252 wpa_dbg(wpa_s, MSG_DEBUG, 2253 "Postpone network selection by %d seconds since all networks are disabled", 2254 time_to_reenable); 2255 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 2256 eloop_register_timeout(time_to_reenable, 0, 2257 wpas_network_reenabled, wpa_s, NULL); 2258 return 0; 2259 } 2260 2261 if (wpa_s->p2p_mgmt) 2262 return 0; /* no normal connection on p2p_mgmt interface */ 2263 2264 wpa_s->owe_transition_search = 0; 2265 selected = wpa_supplicant_pick_network(wpa_s, &ssid); 2266 2267 #ifdef CONFIG_MESH 2268 if (wpa_s->ifmsh) { 2269 wpa_msg(wpa_s, MSG_INFO, 2270 "Avoiding join because we already joined a mesh group"); 2271 return 0; 2272 } 2273 #endif /* CONFIG_MESH */ 2274 2275 if (selected) { 2276 int skip; 2277 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); 2278 if (skip) { 2279 if (new_scan) 2280 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2281 return 0; 2282 } 2283 2284 wpa_s->suitable_network++; 2285 2286 if (ssid != wpa_s->current_ssid && 2287 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 2288 wpa_s->own_disconnect_req = 1; 2289 wpa_supplicant_deauthenticate( 2290 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2291 } 2292 2293 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { 2294 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); 2295 return -1; 2296 } 2297 if (new_scan) 2298 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2299 /* 2300 * Do not allow other virtual radios to trigger operations based 2301 * on these scan results since we do not want them to start 2302 * other associations at the same time. 2303 */ 2304 return 1; 2305 } else { 2306 wpa_s->no_suitable_network++; 2307 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); 2308 ssid = wpa_supplicant_pick_new_network(wpa_s); 2309 if (ssid) { 2310 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); 2311 wpa_supplicant_associate(wpa_s, NULL, ssid); 2312 if (new_scan) 2313 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2314 } else if (own_request) { 2315 /* 2316 * No SSID found. If SCAN results are as a result of 2317 * own scan request and not due to a scan request on 2318 * another shared interface, try another scan. 2319 */ 2320 int timeout_sec = wpa_s->scan_interval; 2321 int timeout_usec = 0; 2322 #ifdef CONFIG_P2P 2323 int res; 2324 2325 res = wpas_p2p_scan_no_go_seen(wpa_s); 2326 if (res == 2) 2327 return 2; 2328 if (res == 1) 2329 return 0; 2330 2331 if (wpa_s->p2p_in_provisioning || 2332 wpa_s->show_group_started || 2333 wpa_s->p2p_in_invitation) { 2334 /* 2335 * Use shorter wait during P2P Provisioning 2336 * state and during P2P join-a-group operation 2337 * to speed up group formation. 2338 */ 2339 timeout_sec = 0; 2340 timeout_usec = 250000; 2341 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2342 timeout_usec); 2343 return 0; 2344 } 2345 #endif /* CONFIG_P2P */ 2346 #ifdef CONFIG_INTERWORKING 2347 if (wpa_s->conf->auto_interworking && 2348 wpa_s->conf->interworking && 2349 wpa_s->conf->cred) { 2350 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " 2351 "start ANQP fetch since no matching " 2352 "networks found"); 2353 wpa_s->network_select = 1; 2354 wpa_s->auto_network_select = 1; 2355 interworking_start_fetch_anqp(wpa_s); 2356 return 1; 2357 } 2358 #endif /* CONFIG_INTERWORKING */ 2359 #ifdef CONFIG_WPS 2360 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) { 2361 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing"); 2362 timeout_sec = 0; 2363 timeout_usec = 500000; 2364 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2365 timeout_usec); 2366 return 0; 2367 } 2368 #endif /* CONFIG_WPS */ 2369 #ifdef CONFIG_OWE 2370 if (wpa_s->owe_transition_search) { 2371 wpa_dbg(wpa_s, MSG_DEBUG, 2372 "OWE: Use shorter wait during transition mode search"); 2373 timeout_sec = 0; 2374 timeout_usec = 500000; 2375 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2376 timeout_usec); 2377 return 0; 2378 } 2379 #endif /* CONFIG_OWE */ 2380 if (wpa_supplicant_req_sched_scan(wpa_s)) 2381 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2382 timeout_usec); 2383 2384 wpa_msg_ctrl(wpa_s, MSG_INFO, 2385 WPA_EVENT_NETWORK_NOT_FOUND); 2386 } 2387 } 2388 return 0; 2389 } 2390 2391 2392 static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 2393 union wpa_event_data *data) 2394 { 2395 struct wpa_supplicant *ifs; 2396 int res; 2397 2398 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0); 2399 if (res == 2) { 2400 /* 2401 * Interface may have been removed, so must not dereference 2402 * wpa_s after this. 2403 */ 2404 return 1; 2405 } 2406 2407 if (res < 0) { 2408 /* 2409 * If no scan results could be fetched, then no need to 2410 * notify those interfaces that did not actually request 2411 * this scan. Similarly, if scan results started a new operation on this 2412 * interface, do not notify other interfaces to avoid concurrent 2413 * operations during a connection attempt. 2414 */ 2415 return 0; 2416 } 2417 2418 /* 2419 * Check other interfaces to see if they share the same radio. If 2420 * so, they get updated with this same scan info. 2421 */ 2422 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 2423 radio_list) { 2424 if (ifs != wpa_s) { 2425 wpa_printf(MSG_DEBUG, "%s: Updating scan results from " 2426 "sibling", ifs->ifname); 2427 res = _wpa_supplicant_event_scan_results(ifs, data, 0, 2428 res > 0); 2429 if (res < 0) 2430 return 0; 2431 } 2432 } 2433 2434 return 0; 2435 } 2436 2437 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2438 2439 2440 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) 2441 { 2442 #ifdef CONFIG_NO_SCAN_PROCESSING 2443 return -1; 2444 #else /* CONFIG_NO_SCAN_PROCESSING */ 2445 struct os_reltime now; 2446 2447 wpa_s->ignore_post_flush_scan_res = 0; 2448 2449 if (wpa_s->last_scan_res_used == 0) 2450 return -1; 2451 2452 os_get_reltime(&now); 2453 if (os_reltime_expired(&now, &wpa_s->last_scan, 2454 wpa_s->conf->scan_res_valid_for_connect)) { 2455 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); 2456 return -1; 2457 } 2458 2459 return wpas_select_network_from_last_scan(wpa_s, 0, 1); 2460 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2461 } 2462 2463 #ifdef CONFIG_WNM 2464 2465 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) 2466 { 2467 struct wpa_supplicant *wpa_s = eloop_ctx; 2468 2469 if (wpa_s->wpa_state < WPA_ASSOCIATED) 2470 return; 2471 2472 if (!wpa_s->no_keep_alive) { 2473 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, 2474 MAC2STR(wpa_s->bssid)); 2475 /* TODO: could skip this if normal data traffic has been sent */ 2476 /* TODO: Consider using some more appropriate data frame for 2477 * this */ 2478 if (wpa_s->l2) 2479 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, 2480 (u8 *) "", 0); 2481 } 2482 2483 #ifdef CONFIG_SME 2484 if (wpa_s->sme.bss_max_idle_period) { 2485 unsigned int msec; 2486 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ 2487 if (msec > 100) 2488 msec -= 100; 2489 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2490 wnm_bss_keep_alive, wpa_s, NULL); 2491 } 2492 #endif /* CONFIG_SME */ 2493 } 2494 2495 2496 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, 2497 const u8 *ies, size_t ies_len) 2498 { 2499 struct ieee802_11_elems elems; 2500 2501 if (ies == NULL) 2502 return; 2503 2504 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 2505 return; 2506 2507 #ifdef CONFIG_SME 2508 if (elems.bss_max_idle_period) { 2509 unsigned int msec; 2510 wpa_s->sme.bss_max_idle_period = 2511 WPA_GET_LE16(elems.bss_max_idle_period); 2512 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " 2513 "TU)%s", wpa_s->sme.bss_max_idle_period, 2514 (elems.bss_max_idle_period[2] & 0x01) ? 2515 " (protected keep-live required)" : ""); 2516 if (wpa_s->sme.bss_max_idle_period == 0) 2517 wpa_s->sme.bss_max_idle_period = 1; 2518 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 2519 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2520 /* msec times 1000 */ 2521 msec = wpa_s->sme.bss_max_idle_period * 1024; 2522 if (msec > 100) 2523 msec -= 100; 2524 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2525 wnm_bss_keep_alive, wpa_s, 2526 NULL); 2527 } 2528 } 2529 #endif /* CONFIG_SME */ 2530 } 2531 2532 #endif /* CONFIG_WNM */ 2533 2534 2535 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) 2536 { 2537 #ifdef CONFIG_WNM 2538 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2539 #endif /* CONFIG_WNM */ 2540 } 2541 2542 2543 #ifdef CONFIG_INTERWORKING 2544 2545 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map, 2546 size_t len) 2547 { 2548 int res; 2549 2550 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len); 2551 res = wpa_drv_set_qos_map(wpa_s, qos_map, len); 2552 if (res) { 2553 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver"); 2554 } 2555 2556 return res; 2557 } 2558 2559 2560 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s, 2561 const u8 *ies, size_t ies_len) 2562 { 2563 struct ieee802_11_elems elems; 2564 2565 if (ies == NULL) 2566 return; 2567 2568 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 2569 return; 2570 2571 if (elems.qos_map_set) { 2572 wpas_qos_map_set(wpa_s, elems.qos_map_set, 2573 elems.qos_map_set_len); 2574 } 2575 } 2576 2577 #endif /* CONFIG_INTERWORKING */ 2578 2579 2580 static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s, 2581 const u8 *ies, size_t ies_len) 2582 { 2583 struct ieee802_11_elems elems; 2584 const u8 *map_sub_elem, *pos; 2585 size_t len; 2586 2587 wpa_s->multi_ap_ie = 0; 2588 2589 if (!ies || 2590 ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed || 2591 !elems.multi_ap || elems.multi_ap_len < 7) 2592 return; 2593 2594 pos = elems.multi_ap + 4; 2595 len = elems.multi_ap_len - 4; 2596 2597 map_sub_elem = get_ie(pos, len, MULTI_AP_SUB_ELEM_TYPE); 2598 if (!map_sub_elem || map_sub_elem[1] < 1) 2599 return; 2600 2601 wpa_s->multi_ap_backhaul = !!(map_sub_elem[2] & MULTI_AP_BACKHAUL_BSS); 2602 wpa_s->multi_ap_fronthaul = !!(map_sub_elem[2] & 2603 MULTI_AP_FRONTHAUL_BSS); 2604 wpa_s->multi_ap_ie = 1; 2605 } 2606 2607 2608 static void multi_ap_set_4addr_mode(struct wpa_supplicant *wpa_s) 2609 { 2610 if (!wpa_s->current_ssid || 2611 !wpa_s->current_ssid->multi_ap_backhaul_sta) 2612 return; 2613 2614 if (!wpa_s->multi_ap_ie) { 2615 wpa_printf(MSG_INFO, 2616 "AP does not include valid Multi-AP element"); 2617 goto fail; 2618 } 2619 2620 if (!wpa_s->multi_ap_backhaul) { 2621 if (wpa_s->multi_ap_fronthaul && 2622 wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 2623 wpa_printf(MSG_INFO, 2624 "WPS active, accepting fronthaul-only BSS"); 2625 /* Don't set 4addr mode in this case, so just return */ 2626 return; 2627 } 2628 wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS"); 2629 goto fail; 2630 } 2631 2632 if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) { 2633 wpa_printf(MSG_ERROR, "Failed to set 4addr mode"); 2634 goto fail; 2635 } 2636 wpa_s->enabled_4addr_mode = 1; 2637 return; 2638 2639 fail: 2640 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2641 } 2642 2643 2644 #ifdef CONFIG_FST 2645 static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s, 2646 const u8 *ie, size_t ie_len) 2647 { 2648 struct mb_ies_info mb_ies; 2649 2650 if (!ie || !ie_len || !wpa_s->fst) 2651 return -ENOENT; 2652 2653 os_memset(&mb_ies, 0, sizeof(mb_ies)); 2654 2655 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) { 2656 size_t len; 2657 2658 len = 2 + ie[1]; 2659 if (len > ie_len) { 2660 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found", 2661 ie, ie_len); 2662 break; 2663 } 2664 2665 if (ie[0] == WLAN_EID_MULTI_BAND) { 2666 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found", 2667 (unsigned int) len); 2668 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2; 2669 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2; 2670 mb_ies.nof_ies++; 2671 } 2672 2673 ie_len -= len; 2674 ie += len; 2675 } 2676 2677 if (mb_ies.nof_ies > 0) { 2678 wpabuf_free(wpa_s->received_mb_ies); 2679 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies); 2680 return 0; 2681 } 2682 2683 return -ENOENT; 2684 } 2685 #endif /* CONFIG_FST */ 2686 2687 2688 static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s, 2689 union wpa_event_data *data) 2690 { 2691 int sel; 2692 const u8 *p; 2693 int l, len; 2694 bool found = false; 2695 struct wpa_ie_data ie; 2696 struct wpa_ssid *ssid = wpa_s->current_ssid; 2697 struct wpa_bss *bss = wpa_s->current_bss; 2698 int pmf; 2699 2700 if (!ssid) 2701 return 0; 2702 2703 p = data->assoc_info.req_ies; 2704 l = data->assoc_info.req_ies_len; 2705 2706 while (p && l >= 2) { 2707 len = p[1] + 2; 2708 if (len > l) { 2709 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 2710 p, l); 2711 break; 2712 } 2713 if (((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 2714 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 2715 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && 2716 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || 2717 (p[0] == WLAN_EID_RSN && p[1] >= 2))) { 2718 found = true; 2719 break; 2720 } 2721 l -= len; 2722 p += len; 2723 } 2724 2725 if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) 2726 return 0; 2727 2728 wpa_hexdump(MSG_DEBUG, 2729 "WPA: Update cipher suite selection based on IEs in driver-generated WPA/RSNE in AssocReq", 2730 p, l); 2731 2732 /* Update proto from (Re)Association Request frame info */ 2733 wpa_s->wpa_proto = ie.proto; 2734 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, wpa_s->wpa_proto); 2735 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 2736 !!(wpa_s->wpa_proto & 2737 (WPA_PROTO_RSN | WPA_PROTO_OSEN))); 2738 2739 /* Update AKMP suite from (Re)Association Request frame info */ 2740 sel = ie.key_mgmt; 2741 if (ssid->key_mgmt) 2742 sel &= ssid->key_mgmt; 2743 2744 wpa_dbg(wpa_s, MSG_DEBUG, 2745 "WPA: AP key_mgmt 0x%x network key_mgmt 0x%x; available key_mgmt 0x%x", 2746 ie.key_mgmt, ssid->key_mgmt, sel); 2747 if (ie.key_mgmt && !sel) { 2748 wpa_supplicant_deauthenticate( 2749 wpa_s, WLAN_REASON_AKMP_NOT_VALID); 2750 return -1; 2751 } 2752 2753 wpa_s->key_mgmt = ie.key_mgmt; 2754 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); 2755 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT %s and proto %d", 2756 wpa_key_mgmt_txt(wpa_s->key_mgmt, wpa_s->wpa_proto), 2757 wpa_s->wpa_proto); 2758 2759 /* Update pairwise cipher from (Re)Association Request frame info */ 2760 sel = ie.pairwise_cipher; 2761 if (ssid->pairwise_cipher) 2762 sel &= ssid->pairwise_cipher; 2763 2764 wpa_dbg(wpa_s, MSG_DEBUG, 2765 "WPA: AP pairwise cipher 0x%x network pairwise cipher 0x%x; available pairwise cipher 0x%x", 2766 ie.pairwise_cipher, ssid->pairwise_cipher, sel); 2767 if (ie.pairwise_cipher && !sel) { 2768 wpa_supplicant_deauthenticate( 2769 wpa_s, WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID); 2770 return -1; 2771 } 2772 2773 wpa_s->pairwise_cipher = ie.pairwise_cipher; 2774 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, 2775 wpa_s->pairwise_cipher); 2776 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", 2777 wpa_cipher_txt(wpa_s->pairwise_cipher)); 2778 2779 /* Update other parameters based on AP's WPA IE/RSNE, if available */ 2780 if (!bss) { 2781 wpa_dbg(wpa_s, MSG_DEBUG, 2782 "WPA: current_bss == NULL - skip AP IE check"); 2783 return 0; 2784 } 2785 2786 /* Update GTK and IGTK from AP's RSNE */ 2787 found = false; 2788 2789 if (wpa_s->wpa_proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) { 2790 const u8 *bss_rsn; 2791 2792 bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 2793 if (bss_rsn) { 2794 p = bss_rsn; 2795 len = 2 + bss_rsn[1]; 2796 found = true; 2797 } 2798 } else if (wpa_s->wpa_proto & WPA_PROTO_WPA) { 2799 const u8 *bss_wpa; 2800 2801 bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 2802 if (bss_wpa) { 2803 p = bss_wpa; 2804 len = 2 + bss_wpa[1]; 2805 found = true; 2806 } 2807 } 2808 2809 if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) 2810 return 0; 2811 2812 pmf = wpas_get_ssid_pmf(wpa_s, ssid); 2813 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 2814 pmf == MGMT_FRAME_PROTECTION_REQUIRED) { 2815 /* AP does not support MFP, local configuration requires it */ 2816 wpa_supplicant_deauthenticate( 2817 wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB); 2818 return -1; 2819 } 2820 if ((ie.capabilities & WPA_CAPABILITY_MFPR) && 2821 pmf == NO_MGMT_FRAME_PROTECTION) { 2822 /* AP requires MFP, local configuration disables it */ 2823 wpa_supplicant_deauthenticate( 2824 wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB); 2825 return -1; 2826 } 2827 2828 /* Update PMF from local configuration now that MFP validation was done 2829 * above */ 2830 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, pmf); 2831 2832 /* Update GTK from AP's RSNE */ 2833 sel = ie.group_cipher; 2834 if (ssid->group_cipher) 2835 sel &= ssid->group_cipher; 2836 2837 wpa_dbg(wpa_s, MSG_DEBUG, 2838 "WPA: AP group cipher 0x%x network group cipher 0x%x; available group cipher 0x%x", 2839 ie.group_cipher, ssid->group_cipher, sel); 2840 if (ie.group_cipher && !sel) { 2841 wpa_supplicant_deauthenticate( 2842 wpa_s, WLAN_REASON_GROUP_CIPHER_NOT_VALID); 2843 return -1; 2844 } 2845 2846 wpa_s->group_cipher = ie.group_cipher; 2847 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); 2848 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", 2849 wpa_cipher_txt(wpa_s->group_cipher)); 2850 2851 /* Update IGTK from AP RSN IE */ 2852 sel = ie.mgmt_group_cipher; 2853 if (ssid->group_mgmt_cipher) 2854 sel &= ssid->group_mgmt_cipher; 2855 2856 wpa_dbg(wpa_s, MSG_DEBUG, 2857 "WPA: AP mgmt_group_cipher 0x%x network mgmt_group_cipher 0x%x; available mgmt_group_cipher 0x%x", 2858 ie.mgmt_group_cipher, ssid->group_mgmt_cipher, sel); 2859 2860 if (pmf == NO_MGMT_FRAME_PROTECTION || 2861 !(ie.capabilities & WPA_CAPABILITY_MFPC)) { 2862 wpa_dbg(wpa_s, MSG_DEBUG, 2863 "WPA: STA/AP is not MFP capable; AP RSNE caps 0x%x", 2864 ie.capabilities); 2865 ie.mgmt_group_cipher = 0; 2866 } 2867 2868 if (ie.mgmt_group_cipher && !sel) { 2869 wpa_supplicant_deauthenticate( 2870 wpa_s, WLAN_REASON_CIPHER_SUITE_REJECTED); 2871 return -1; 2872 } 2873 2874 wpa_s->mgmt_group_cipher = ie.mgmt_group_cipher; 2875 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, 2876 wpa_s->mgmt_group_cipher); 2877 if (wpa_s->mgmt_group_cipher) 2878 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher %s", 2879 wpa_cipher_txt(wpa_s->mgmt_group_cipher)); 2880 else 2881 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); 2882 2883 return 0; 2884 } 2885 2886 2887 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, 2888 union wpa_event_data *data) 2889 { 2890 int l, len, found = 0, found_x = 0, wpa_found, rsn_found; 2891 const u8 *p; 2892 u8 bssid[ETH_ALEN]; 2893 bool bssid_known; 2894 2895 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); 2896 bssid_known = wpa_drv_get_bssid(wpa_s, bssid) == 0; 2897 if (data->assoc_info.req_ies) 2898 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, 2899 data->assoc_info.req_ies_len); 2900 if (data->assoc_info.resp_ies) { 2901 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, 2902 data->assoc_info.resp_ies_len); 2903 #ifdef CONFIG_TDLS 2904 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, 2905 data->assoc_info.resp_ies_len); 2906 #endif /* CONFIG_TDLS */ 2907 #ifdef CONFIG_WNM 2908 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 2909 data->assoc_info.resp_ies_len); 2910 #endif /* CONFIG_WNM */ 2911 #ifdef CONFIG_INTERWORKING 2912 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 2913 data->assoc_info.resp_ies_len); 2914 #endif /* CONFIG_INTERWORKING */ 2915 if (wpa_s->hw_capab == CAPAB_VHT && 2916 get_ie(data->assoc_info.resp_ies, 2917 data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP)) 2918 wpa_s->ieee80211ac = 1; 2919 2920 multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 2921 data->assoc_info.resp_ies_len); 2922 } 2923 if (data->assoc_info.beacon_ies) 2924 wpa_hexdump(MSG_DEBUG, "beacon_ies", 2925 data->assoc_info.beacon_ies, 2926 data->assoc_info.beacon_ies_len); 2927 if (data->assoc_info.freq) 2928 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", 2929 data->assoc_info.freq); 2930 2931 wpa_s->connection_set = 0; 2932 if (data->assoc_info.req_ies && data->assoc_info.resp_ies) { 2933 struct ieee802_11_elems req_elems, resp_elems; 2934 2935 if (ieee802_11_parse_elems(data->assoc_info.req_ies, 2936 data->assoc_info.req_ies_len, 2937 &req_elems, 0) != ParseFailed && 2938 ieee802_11_parse_elems(data->assoc_info.resp_ies, 2939 data->assoc_info.resp_ies_len, 2940 &resp_elems, 0) != ParseFailed) { 2941 wpa_s->connection_set = 1; 2942 wpa_s->connection_ht = req_elems.ht_capabilities && 2943 resp_elems.ht_capabilities; 2944 /* Do not include subset of VHT on 2.4 GHz vendor 2945 * extension in consideration for reporting VHT 2946 * association. */ 2947 wpa_s->connection_vht = req_elems.vht_capabilities && 2948 resp_elems.vht_capabilities && 2949 (!data->assoc_info.freq || 2950 wpas_freq_to_band(data->assoc_info.freq) != 2951 BAND_2_4_GHZ); 2952 wpa_s->connection_he = req_elems.he_capabilities && 2953 resp_elems.he_capabilities; 2954 } 2955 } 2956 2957 p = data->assoc_info.req_ies; 2958 l = data->assoc_info.req_ies_len; 2959 2960 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ 2961 while (p && l >= 2) { 2962 len = p[1] + 2; 2963 if (len > l) { 2964 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 2965 p, l); 2966 break; 2967 } 2968 if (!found && 2969 ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 2970 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 2971 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && 2972 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || 2973 (p[0] == WLAN_EID_RSN && p[1] >= 2))) { 2974 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) 2975 break; 2976 found = 1; 2977 wpa_find_assoc_pmkid(wpa_s); 2978 } 2979 if (!found_x && p[0] == WLAN_EID_RSNX) { 2980 if (wpa_sm_set_assoc_rsnxe(wpa_s->wpa, p, len)) 2981 break; 2982 found_x = 1; 2983 } 2984 l -= len; 2985 p += len; 2986 } 2987 if (!found && data->assoc_info.req_ies) 2988 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); 2989 if (!found_x && data->assoc_info.req_ies) 2990 wpa_sm_set_assoc_rsnxe(wpa_s->wpa, NULL, 0); 2991 2992 #ifdef CONFIG_FILS 2993 #ifdef CONFIG_SME 2994 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS || 2995 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) && 2996 (!data->assoc_info.resp_frame || 2997 fils_process_assoc_resp(wpa_s->wpa, 2998 data->assoc_info.resp_frame, 2999 data->assoc_info.resp_frame_len) < 0)) { 3000 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); 3001 return -1; 3002 } 3003 #endif /* CONFIG_SME */ 3004 3005 /* Additional processing for FILS when SME is in driver */ 3006 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS && 3007 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 3008 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1); 3009 #endif /* CONFIG_FILS */ 3010 3011 #ifdef CONFIG_OWE 3012 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 3013 (!bssid_known || 3014 owe_process_assoc_resp(wpa_s->wpa, bssid, 3015 data->assoc_info.resp_ies, 3016 data->assoc_info.resp_ies_len) < 0)) { 3017 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); 3018 return -1; 3019 } 3020 #endif /* CONFIG_OWE */ 3021 3022 #ifdef CONFIG_DPP2 3023 wpa_sm_set_dpp_z(wpa_s->wpa, NULL); 3024 if (DPP_VERSION > 1 && wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && 3025 wpa_s->dpp_pfs) { 3026 struct ieee802_11_elems elems; 3027 3028 if (ieee802_11_parse_elems(data->assoc_info.resp_ies, 3029 data->assoc_info.resp_ies_len, 3030 &elems, 0) == ParseFailed || 3031 !elems.owe_dh) 3032 goto no_pfs; 3033 if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh, 3034 elems.owe_dh_len) < 0) { 3035 wpa_supplicant_deauthenticate(wpa_s, 3036 WLAN_REASON_UNSPECIFIED); 3037 return -1; 3038 } 3039 3040 wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret); 3041 } 3042 no_pfs: 3043 #endif /* CONFIG_DPP2 */ 3044 3045 #ifdef CONFIG_IEEE80211R 3046 #ifdef CONFIG_SME 3047 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { 3048 if (!bssid_known || 3049 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 3050 data->assoc_info.resp_ies, 3051 data->assoc_info.resp_ies_len, 3052 bssid) < 0) { 3053 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 3054 "Reassociation Response failed"); 3055 wpa_supplicant_deauthenticate( 3056 wpa_s, WLAN_REASON_INVALID_IE); 3057 return -1; 3058 } 3059 } 3060 3061 p = data->assoc_info.resp_ies; 3062 l = data->assoc_info.resp_ies_len; 3063 3064 #ifdef CONFIG_WPS_STRICT 3065 if (p && wpa_s->current_ssid && 3066 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { 3067 struct wpabuf *wps; 3068 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); 3069 if (wps == NULL) { 3070 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " 3071 "include WPS IE in (Re)Association Response"); 3072 return -1; 3073 } 3074 3075 if (wps_validate_assoc_resp(wps) < 0) { 3076 wpabuf_free(wps); 3077 wpa_supplicant_deauthenticate( 3078 wpa_s, WLAN_REASON_INVALID_IE); 3079 return -1; 3080 } 3081 wpabuf_free(wps); 3082 } 3083 #endif /* CONFIG_WPS_STRICT */ 3084 3085 /* Go through the IEs and make a copy of the MDIE, if present. */ 3086 while (p && l >= 2) { 3087 len = p[1] + 2; 3088 if (len > l) { 3089 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 3090 p, l); 3091 break; 3092 } 3093 if (p[0] == WLAN_EID_MOBILITY_DOMAIN && 3094 p[1] >= MOBILITY_DOMAIN_ID_LEN) { 3095 wpa_s->sme.ft_used = 1; 3096 os_memcpy(wpa_s->sme.mobility_domain, p + 2, 3097 MOBILITY_DOMAIN_ID_LEN); 3098 break; 3099 } 3100 l -= len; 3101 p += len; 3102 } 3103 #endif /* CONFIG_SME */ 3104 3105 /* Process FT when SME is in the driver */ 3106 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 3107 wpa_ft_is_completed(wpa_s->wpa)) { 3108 if (!bssid_known || 3109 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 3110 data->assoc_info.resp_ies, 3111 data->assoc_info.resp_ies_len, 3112 bssid) < 0) { 3113 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 3114 "Reassociation Response failed"); 3115 wpa_supplicant_deauthenticate( 3116 wpa_s, WLAN_REASON_INVALID_IE); 3117 return -1; 3118 } 3119 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); 3120 } 3121 3122 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, 3123 data->assoc_info.resp_ies_len); 3124 #endif /* CONFIG_IEEE80211R */ 3125 3126 if (bssid_known) 3127 wpas_handle_assoc_resp_mscs(wpa_s, bssid, 3128 data->assoc_info.resp_ies, 3129 data->assoc_info.resp_ies_len); 3130 3131 /* WPA/RSN IE from Beacon/ProbeResp */ 3132 p = data->assoc_info.beacon_ies; 3133 l = data->assoc_info.beacon_ies_len; 3134 3135 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. 3136 */ 3137 wpa_found = rsn_found = 0; 3138 while (p && l >= 2) { 3139 len = p[1] + 2; 3140 if (len > l) { 3141 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", 3142 p, l); 3143 break; 3144 } 3145 if (!wpa_found && 3146 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 3147 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { 3148 wpa_found = 1; 3149 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); 3150 } 3151 3152 if (!rsn_found && 3153 p[0] == WLAN_EID_RSN && p[1] >= 2) { 3154 rsn_found = 1; 3155 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); 3156 } 3157 3158 if (p[0] == WLAN_EID_RSNX && p[1] >= 1) 3159 wpa_sm_set_ap_rsnxe(wpa_s->wpa, p, len); 3160 3161 l -= len; 3162 p += len; 3163 } 3164 3165 if (!wpa_found && data->assoc_info.beacon_ies) 3166 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); 3167 if (!rsn_found && data->assoc_info.beacon_ies) { 3168 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); 3169 wpa_sm_set_ap_rsnxe(wpa_s->wpa, NULL, 0); 3170 } 3171 if (wpa_found || rsn_found) 3172 wpa_s->ap_ies_from_associnfo = 1; 3173 3174 if (wpa_s->assoc_freq && data->assoc_info.freq && 3175 wpa_s->assoc_freq != data->assoc_info.freq) { 3176 wpa_printf(MSG_DEBUG, "Operating frequency changed from " 3177 "%u to %u MHz", 3178 wpa_s->assoc_freq, data->assoc_info.freq); 3179 wpa_supplicant_update_scan_results(wpa_s); 3180 } 3181 3182 wpa_s->assoc_freq = data->assoc_info.freq; 3183 3184 wpas_handle_assoc_resp_qos_mgmt(wpa_s, data->assoc_info.resp_ies, 3185 data->assoc_info.resp_ies_len); 3186 3187 return 0; 3188 } 3189 3190 3191 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) 3192 { 3193 const u8 *bss_wpa = NULL, *bss_rsn = NULL, *bss_rsnx = NULL; 3194 3195 if (!wpa_s->current_bss || !wpa_s->current_ssid) 3196 return -1; 3197 3198 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) 3199 return 0; 3200 3201 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, 3202 WPA_IE_VENDOR_TYPE); 3203 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); 3204 bss_rsnx = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSNX); 3205 3206 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, 3207 bss_wpa ? 2 + bss_wpa[1] : 0) || 3208 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, 3209 bss_rsn ? 2 + bss_rsn[1] : 0) || 3210 wpa_sm_set_ap_rsnxe(wpa_s->wpa, bss_rsnx, 3211 bss_rsnx ? 2 + bss_rsnx[1] : 0)) 3212 return -1; 3213 3214 return 0; 3215 } 3216 3217 3218 static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s, 3219 union wpa_event_data *data) 3220 { 3221 #ifdef CONFIG_FST 3222 struct assoc_info *ai = data ? &data->assoc_info : NULL; 3223 struct wpa_bss *bss = wpa_s->current_bss; 3224 const u8 *ieprb, *iebcn; 3225 3226 wpabuf_free(wpa_s->received_mb_ies); 3227 wpa_s->received_mb_ies = NULL; 3228 3229 if (ai && 3230 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) { 3231 wpa_printf(MSG_DEBUG, 3232 "FST: MB IEs updated from Association Response frame"); 3233 return; 3234 } 3235 3236 if (ai && 3237 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) { 3238 wpa_printf(MSG_DEBUG, 3239 "FST: MB IEs updated from association event Beacon IEs"); 3240 return; 3241 } 3242 3243 if (!bss) 3244 return; 3245 3246 ieprb = wpa_bss_ie_ptr(bss); 3247 iebcn = ieprb + bss->ie_len; 3248 3249 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len)) 3250 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE"); 3251 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len)) 3252 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE"); 3253 #endif /* CONFIG_FST */ 3254 } 3255 3256 3257 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, 3258 union wpa_event_data *data) 3259 { 3260 u8 bssid[ETH_ALEN]; 3261 int ft_completed, already_authorized; 3262 int new_bss = 0; 3263 #if defined(CONFIG_FILS) || defined(CONFIG_MBO) 3264 struct wpa_bss *bss; 3265 #endif /* CONFIG_FILS || CONFIG_MBO */ 3266 3267 #ifdef CONFIG_AP 3268 if (wpa_s->ap_iface) { 3269 if (!data) 3270 return; 3271 hostapd_notif_assoc(wpa_s->ap_iface->bss[0], 3272 data->assoc_info.addr, 3273 data->assoc_info.req_ies, 3274 data->assoc_info.req_ies_len, 3275 data->assoc_info.reassoc); 3276 return; 3277 } 3278 #endif /* CONFIG_AP */ 3279 3280 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 3281 wpa_s->own_reconnect_req = 0; 3282 3283 ft_completed = wpa_ft_is_completed(wpa_s->wpa); 3284 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) 3285 return; 3286 /* 3287 * FILS authentication can share the same mechanism to mark the 3288 * connection fully authenticated, so set ft_completed also based on 3289 * FILS result. 3290 */ 3291 if (!ft_completed) 3292 ft_completed = wpa_fils_is_completed(wpa_s->wpa); 3293 3294 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { 3295 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); 3296 wpa_supplicant_deauthenticate( 3297 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 3298 return; 3299 } 3300 3301 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); 3302 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { 3303 if (os_reltime_initialized(&wpa_s->session_start)) { 3304 os_reltime_age(&wpa_s->session_start, 3305 &wpa_s->session_length); 3306 wpa_s->session_start.sec = 0; 3307 wpa_s->session_start.usec = 0; 3308 wpas_notify_session_length(wpa_s); 3309 } else { 3310 wpas_notify_auth_changed(wpa_s); 3311 os_get_reltime(&wpa_s->session_start); 3312 } 3313 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" 3314 MACSTR, MAC2STR(bssid)); 3315 new_bss = 1; 3316 random_add_randomness(bssid, ETH_ALEN); 3317 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); 3318 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 3319 wpas_notify_bssid_changed(wpa_s); 3320 3321 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { 3322 wpa_clear_keys(wpa_s, bssid); 3323 } 3324 if (wpa_supplicant_select_config(wpa_s) < 0) { 3325 wpa_supplicant_deauthenticate( 3326 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 3327 return; 3328 } 3329 } 3330 3331 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 3332 data && wpa_supplicant_use_own_rsne_params(wpa_s, data) < 0) 3333 return; 3334 3335 multi_ap_set_4addr_mode(wpa_s); 3336 3337 if (wpa_s->conf->ap_scan == 1 && 3338 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { 3339 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss) 3340 wpa_msg(wpa_s, MSG_WARNING, 3341 "WPA/RSN IEs not updated"); 3342 } 3343 3344 wpas_fst_update_mb_assoc(wpa_s, data); 3345 3346 #ifdef CONFIG_SME 3347 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); 3348 wpa_s->sme.prev_bssid_set = 1; 3349 wpa_s->sme.last_unprot_disconnect.sec = 0; 3350 #endif /* CONFIG_SME */ 3351 3352 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); 3353 if (wpa_s->current_ssid) { 3354 /* When using scanning (ap_scan=1), SIM PC/SC interface can be 3355 * initialized before association, but for other modes, 3356 * initialize PC/SC here, if the current configuration needs 3357 * smartcard or SIM/USIM. */ 3358 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); 3359 } 3360 wpa_sm_notify_assoc(wpa_s->wpa, bssid); 3361 if (wpa_s->l2) 3362 l2_packet_notify_auth_start(wpa_s->l2); 3363 3364 already_authorized = data && data->assoc_info.authorized; 3365 3366 /* 3367 * Set portEnabled first to false in order to get EAP state machine out 3368 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE 3369 * state machine may transit to AUTHENTICATING state based on obsolete 3370 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to 3371 * AUTHENTICATED without ever giving chance to EAP state machine to 3372 * reset the state. 3373 */ 3374 if (!ft_completed && !already_authorized) { 3375 eapol_sm_notify_portEnabled(wpa_s->eapol, false); 3376 eapol_sm_notify_portValid(wpa_s->eapol, false); 3377 } 3378 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 3379 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || 3380 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed || 3381 already_authorized || wpa_s->drv_authorized_port) 3382 eapol_sm_notify_eap_success(wpa_s->eapol, false); 3383 /* 802.1X::portControl = Auto */ 3384 eapol_sm_notify_portEnabled(wpa_s->eapol, true); 3385 wpa_s->eapol_received = 0; 3386 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 3387 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || 3388 (wpa_s->current_ssid && 3389 wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) { 3390 if (wpa_s->current_ssid && 3391 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE && 3392 (wpa_s->drv_flags & 3393 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 3394 /* 3395 * Set the key after having received joined-IBSS event 3396 * from the driver. 3397 */ 3398 wpa_supplicant_set_wpa_none_key(wpa_s, 3399 wpa_s->current_ssid); 3400 } 3401 wpa_supplicant_cancel_auth_timeout(wpa_s); 3402 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 3403 } else if (!ft_completed) { 3404 /* Timeout for receiving the first EAPOL packet */ 3405 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); 3406 } 3407 wpa_supplicant_cancel_scan(wpa_s); 3408 3409 if (ft_completed) { 3410 /* 3411 * FT protocol completed - make sure EAPOL state machine ends 3412 * up in authenticated. 3413 */ 3414 wpa_supplicant_cancel_auth_timeout(wpa_s); 3415 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 3416 eapol_sm_notify_portValid(wpa_s->eapol, true); 3417 eapol_sm_notify_eap_success(wpa_s->eapol, true); 3418 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) && 3419 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { 3420 /* 3421 * We are done; the driver will take care of RSN 4-way 3422 * handshake. 3423 */ 3424 wpa_supplicant_cancel_auth_timeout(wpa_s); 3425 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 3426 eapol_sm_notify_portValid(wpa_s->eapol, true); 3427 eapol_sm_notify_eap_success(wpa_s->eapol, true); 3428 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) && 3429 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { 3430 /* 3431 * The driver will take care of RSN 4-way handshake, so we need 3432 * to allow EAPOL supplicant to complete its work without 3433 * waiting for WPA supplicant. 3434 */ 3435 eapol_sm_notify_portValid(wpa_s->eapol, true); 3436 } 3437 3438 wpa_s->last_eapol_matches_bssid = 0; 3439 3440 #ifdef CONFIG_TESTING_OPTIONS 3441 if (wpa_s->rsne_override_eapol) { 3442 wpa_printf(MSG_DEBUG, 3443 "TESTING: RSNE EAPOL-Key msg 2/4 override"); 3444 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, 3445 wpabuf_head(wpa_s->rsne_override_eapol), 3446 wpabuf_len(wpa_s->rsne_override_eapol)); 3447 } 3448 if (wpa_s->rsnxe_override_eapol) { 3449 wpa_printf(MSG_DEBUG, 3450 "TESTING: RSNXE EAPOL-Key msg 2/4 override"); 3451 wpa_sm_set_assoc_rsnxe(wpa_s->wpa, 3452 wpabuf_head(wpa_s->rsnxe_override_eapol), 3453 wpabuf_len(wpa_s->rsnxe_override_eapol)); 3454 } 3455 #endif /* CONFIG_TESTING_OPTIONS */ 3456 3457 if (wpa_s->pending_eapol_rx) { 3458 struct os_reltime now, age; 3459 os_get_reltime(&now); 3460 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age); 3461 if (age.sec == 0 && age.usec < 200000 && 3462 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == 3463 0) { 3464 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " 3465 "frame that was received just before " 3466 "association notification"); 3467 wpa_supplicant_rx_eapol( 3468 wpa_s, wpa_s->pending_eapol_rx_src, 3469 wpabuf_head(wpa_s->pending_eapol_rx), 3470 wpabuf_len(wpa_s->pending_eapol_rx)); 3471 } 3472 wpabuf_free(wpa_s->pending_eapol_rx); 3473 wpa_s->pending_eapol_rx = NULL; 3474 } 3475 3476 #ifdef CONFIG_WEP 3477 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 3478 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 3479 wpa_s->current_ssid && 3480 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 3481 /* Set static WEP keys again */ 3482 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); 3483 } 3484 #endif /* CONFIG_WEP */ 3485 3486 #ifdef CONFIG_IBSS_RSN 3487 if (wpa_s->current_ssid && 3488 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 3489 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && 3490 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && 3491 wpa_s->ibss_rsn == NULL) { 3492 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid); 3493 if (!wpa_s->ibss_rsn) { 3494 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); 3495 wpa_supplicant_deauthenticate( 3496 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 3497 return; 3498 } 3499 3500 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); 3501 } 3502 #endif /* CONFIG_IBSS_RSN */ 3503 3504 wpas_wps_notify_assoc(wpa_s, bssid); 3505 3506 if (data) { 3507 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies, 3508 data->assoc_info.resp_ies_len, 3509 &data->assoc_info.wmm_params); 3510 3511 if (wpa_s->reassoc_same_bss) 3512 wmm_ac_restore_tspecs(wpa_s); 3513 } 3514 3515 #if defined(CONFIG_FILS) || defined(CONFIG_MBO) 3516 bss = wpa_bss_get_bssid(wpa_s, bssid); 3517 #endif /* CONFIG_FILS || CONFIG_MBO */ 3518 #ifdef CONFIG_FILS 3519 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) { 3520 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 3521 3522 if (fils_cache_id) 3523 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id); 3524 } 3525 #endif /* CONFIG_FILS */ 3526 3527 #ifdef CONFIG_MBO 3528 wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid); 3529 #endif /* CONFIG_MBO */ 3530 3531 #ifdef CONFIG_DPP2 3532 wpa_s->dpp_pfs_fallback = 0; 3533 #endif /* CONFIG_DPP2 */ 3534 } 3535 3536 3537 static int disconnect_reason_recoverable(u16 reason_code) 3538 { 3539 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || 3540 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || 3541 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; 3542 } 3543 3544 3545 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, 3546 u16 reason_code, 3547 int locally_generated) 3548 { 3549 const u8 *bssid; 3550 3551 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 3552 /* 3553 * At least Host AP driver and a Prism3 card seemed to be 3554 * generating streams of disconnected events when configuring 3555 * IBSS for WPA-None. Ignore them for now. 3556 */ 3557 return; 3558 } 3559 3560 bssid = wpa_s->bssid; 3561 if (is_zero_ether_addr(bssid)) 3562 bssid = wpa_s->pending_bssid; 3563 3564 if (!is_zero_ether_addr(bssid) || 3565 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 3566 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR 3567 " reason=%d%s", 3568 MAC2STR(bssid), reason_code, 3569 locally_generated ? " locally_generated=1" : ""); 3570 } 3571 } 3572 3573 3574 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, 3575 int locally_generated) 3576 { 3577 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || 3578 !wpa_s->new_connection || 3579 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 3580 wpa_key_mgmt_sae(wpa_s->key_mgmt)) 3581 return 0; /* Not in initial 4-way handshake with PSK */ 3582 3583 /* 3584 * It looks like connection was lost while trying to go through PSK 3585 * 4-way handshake. Filter out known disconnection cases that are caused 3586 * by something else than PSK mismatch to avoid confusing reports. 3587 */ 3588 3589 if (locally_generated) { 3590 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) 3591 return 0; 3592 } 3593 3594 return 1; 3595 } 3596 3597 3598 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, 3599 u16 reason_code, 3600 int locally_generated) 3601 { 3602 const u8 *bssid; 3603 int authenticating; 3604 u8 prev_pending_bssid[ETH_ALEN]; 3605 struct wpa_bss *fast_reconnect = NULL; 3606 struct wpa_ssid *fast_reconnect_ssid = NULL; 3607 struct wpa_ssid *last_ssid; 3608 struct wpa_bss *curr = NULL; 3609 3610 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; 3611 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); 3612 3613 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 3614 /* 3615 * At least Host AP driver and a Prism3 card seemed to be 3616 * generating streams of disconnected events when configuring 3617 * IBSS for WPA-None. Ignore them for now. 3618 */ 3619 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " 3620 "IBSS/WPA-None mode"); 3621 return; 3622 } 3623 3624 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING && 3625 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY && 3626 locally_generated) 3627 /* 3628 * Remove the inactive AP (which is probably out of range) from 3629 * the BSS list after marking disassociation. In particular 3630 * mac80211-based drivers use the 3631 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in 3632 * locally generated disconnection events for cases where the 3633 * AP does not reply anymore. 3634 */ 3635 curr = wpa_s->current_bss; 3636 3637 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { 3638 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " 3639 "pre-shared key may be incorrect"); 3640 if (wpas_p2p_4way_hs_failed(wpa_s) > 0) 3641 return; /* P2P group removed */ 3642 wpas_auth_failed(wpa_s, "WRONG_KEY"); 3643 #ifdef CONFIG_DPP2 3644 wpas_dpp_send_conn_status_result(wpa_s, 3645 DPP_STATUS_AUTH_FAILURE); 3646 #endif /* CONFIG_DPP2 */ 3647 } 3648 if (!wpa_s->disconnected && 3649 (!wpa_s->auto_reconnect_disabled || 3650 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS || 3651 wpas_wps_searching(wpa_s) || 3652 wpas_wps_reenable_networks_pending(wpa_s))) { 3653 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " 3654 "reconnect (wps=%d/%d wpa_state=%d)", 3655 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, 3656 wpas_wps_searching(wpa_s), 3657 wpa_s->wpa_state); 3658 if (wpa_s->wpa_state == WPA_COMPLETED && 3659 wpa_s->current_ssid && 3660 wpa_s->current_ssid->mode == WPAS_MODE_INFRA && 3661 (wpa_s->own_reconnect_req || 3662 (!locally_generated && 3663 disconnect_reason_recoverable(reason_code)))) { 3664 /* 3665 * It looks like the AP has dropped association with 3666 * us, but could allow us to get back in. This is also 3667 * triggered for cases where local reconnection request 3668 * is used to force reassociation with the same BSS. 3669 * Try to reconnect to the same BSS without a full scan 3670 * to save time for some common cases. 3671 */ 3672 fast_reconnect = wpa_s->current_bss; 3673 fast_reconnect_ssid = wpa_s->current_ssid; 3674 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) { 3675 wpa_supplicant_req_scan(wpa_s, 0, 100000); 3676 } else { 3677 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " 3678 "immediate scan"); 3679 } 3680 } else { 3681 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " 3682 "try to re-connect"); 3683 wpa_s->reassociate = 0; 3684 wpa_s->disconnected = 1; 3685 if (!wpa_s->pno) 3686 wpa_supplicant_cancel_sched_scan(wpa_s); 3687 } 3688 bssid = wpa_s->bssid; 3689 if (is_zero_ether_addr(bssid)) 3690 bssid = wpa_s->pending_bssid; 3691 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) 3692 wpas_connection_failed(wpa_s, bssid); 3693 wpa_sm_notify_disassoc(wpa_s->wpa); 3694 ptksa_cache_flush(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE); 3695 3696 if (locally_generated) 3697 wpa_s->disconnect_reason = -reason_code; 3698 else 3699 wpa_s->disconnect_reason = reason_code; 3700 wpas_notify_disconnect_reason(wpa_s); 3701 if (wpa_supplicant_dynamic_keys(wpa_s)) { 3702 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); 3703 wpa_clear_keys(wpa_s, wpa_s->bssid); 3704 } 3705 last_ssid = wpa_s->current_ssid; 3706 wpa_supplicant_mark_disassoc(wpa_s); 3707 3708 if (curr) 3709 wpa_bss_remove(wpa_s, curr, "Connection to AP lost"); 3710 3711 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { 3712 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); 3713 wpa_s->current_ssid = last_ssid; 3714 } 3715 3716 if (fast_reconnect && 3717 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) && 3718 !disallowed_bssid(wpa_s, fast_reconnect->bssid) && 3719 !disallowed_ssid(wpa_s, fast_reconnect->ssid, 3720 fast_reconnect->ssid_len) && 3721 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) && 3722 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) { 3723 #ifndef CONFIG_NO_SCAN_PROCESSING 3724 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); 3725 if (wpa_supplicant_connect(wpa_s, fast_reconnect, 3726 fast_reconnect_ssid) < 0) { 3727 /* Recover through full scan */ 3728 wpa_supplicant_req_scan(wpa_s, 0, 100000); 3729 } 3730 #endif /* CONFIG_NO_SCAN_PROCESSING */ 3731 } else if (fast_reconnect) { 3732 /* 3733 * Could not reconnect to the same BSS due to network being 3734 * disabled. Use a new scan to match the alternative behavior 3735 * above, i.e., to continue automatic reconnection attempt in a 3736 * way that enforces disabled network rules. 3737 */ 3738 wpa_supplicant_req_scan(wpa_s, 0, 100000); 3739 } 3740 } 3741 3742 3743 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 3744 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) 3745 { 3746 struct wpa_supplicant *wpa_s = eloop_ctx; 3747 3748 if (!wpa_s->pending_mic_error_report) 3749 return; 3750 3751 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); 3752 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); 3753 wpa_s->pending_mic_error_report = 0; 3754 } 3755 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3756 3757 3758 static void 3759 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, 3760 union wpa_event_data *data) 3761 { 3762 int pairwise; 3763 struct os_reltime t; 3764 3765 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); 3766 pairwise = (data && data->michael_mic_failure.unicast); 3767 os_get_reltime(&t); 3768 if ((wpa_s->last_michael_mic_error.sec && 3769 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) || 3770 wpa_s->pending_mic_error_report) { 3771 if (wpa_s->pending_mic_error_report) { 3772 /* 3773 * Send the pending MIC error report immediately since 3774 * we are going to start countermeasures and AP better 3775 * do the same. 3776 */ 3777 wpa_sm_key_request(wpa_s->wpa, 1, 3778 wpa_s->pending_mic_error_pairwise); 3779 } 3780 3781 /* Send the new MIC error report immediately since we are going 3782 * to start countermeasures and AP better do the same. 3783 */ 3784 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3785 3786 /* initialize countermeasures */ 3787 wpa_s->countermeasures = 1; 3788 3789 wpa_bssid_ignore_add(wpa_s, wpa_s->bssid); 3790 3791 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); 3792 3793 /* 3794 * Need to wait for completion of request frame. We do not get 3795 * any callback for the message completion, so just wait a 3796 * short while and hope for the best. */ 3797 os_sleep(0, 10000); 3798 3799 wpa_drv_set_countermeasures(wpa_s, 1); 3800 wpa_supplicant_deauthenticate(wpa_s, 3801 WLAN_REASON_MICHAEL_MIC_FAILURE); 3802 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, 3803 wpa_s, NULL); 3804 eloop_register_timeout(60, 0, 3805 wpa_supplicant_stop_countermeasures, 3806 wpa_s, NULL); 3807 /* TODO: mark the AP rejected for 60 second. STA is 3808 * allowed to associate with another AP.. */ 3809 } else { 3810 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 3811 if (wpa_s->mic_errors_seen) { 3812 /* 3813 * Reduce the effectiveness of Michael MIC error 3814 * reports as a means for attacking against TKIP if 3815 * more than one MIC failure is noticed with the same 3816 * PTK. We delay the transmission of the reports by a 3817 * random time between 0 and 60 seconds in order to 3818 * force the attacker wait 60 seconds before getting 3819 * the information on whether a frame resulted in a MIC 3820 * failure. 3821 */ 3822 u8 rval[4]; 3823 int sec; 3824 3825 if (os_get_random(rval, sizeof(rval)) < 0) 3826 sec = os_random() % 60; 3827 else 3828 sec = WPA_GET_BE32(rval) % 60; 3829 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " 3830 "report %d seconds", sec); 3831 wpa_s->pending_mic_error_report = 1; 3832 wpa_s->pending_mic_error_pairwise = pairwise; 3833 eloop_cancel_timeout( 3834 wpa_supplicant_delayed_mic_error_report, 3835 wpa_s, NULL); 3836 eloop_register_timeout( 3837 sec, os_random() % 1000000, 3838 wpa_supplicant_delayed_mic_error_report, 3839 wpa_s, NULL); 3840 } else { 3841 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3842 } 3843 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3844 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3845 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3846 } 3847 wpa_s->last_michael_mic_error = t; 3848 wpa_s->mic_errors_seen++; 3849 } 3850 3851 3852 #ifdef CONFIG_TERMINATE_ONLASTIF 3853 static int any_interfaces(struct wpa_supplicant *head) 3854 { 3855 struct wpa_supplicant *wpa_s; 3856 3857 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) 3858 if (!wpa_s->interface_removed) 3859 return 1; 3860 return 0; 3861 } 3862 #endif /* CONFIG_TERMINATE_ONLASTIF */ 3863 3864 3865 static void 3866 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, 3867 union wpa_event_data *data) 3868 { 3869 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) 3870 return; 3871 3872 switch (data->interface_status.ievent) { 3873 case EVENT_INTERFACE_ADDED: 3874 if (!wpa_s->interface_removed) 3875 break; 3876 wpa_s->interface_removed = 0; 3877 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); 3878 if (wpa_supplicant_driver_init(wpa_s) < 0) { 3879 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " 3880 "driver after interface was added"); 3881 } 3882 3883 #ifdef CONFIG_P2P 3884 if (!wpa_s->global->p2p && 3885 !wpa_s->global->p2p_disabled && 3886 !wpa_s->conf->p2p_disabled && 3887 (wpa_s->drv_flags & 3888 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && 3889 wpas_p2p_add_p2pdev_interface( 3890 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) { 3891 wpa_printf(MSG_INFO, 3892 "P2P: Failed to enable P2P Device interface"); 3893 /* Try to continue without. P2P will be disabled. */ 3894 } 3895 #endif /* CONFIG_P2P */ 3896 3897 break; 3898 case EVENT_INTERFACE_REMOVED: 3899 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); 3900 wpa_s->interface_removed = 1; 3901 wpa_supplicant_mark_disassoc(wpa_s); 3902 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 3903 l2_packet_deinit(wpa_s->l2); 3904 wpa_s->l2 = NULL; 3905 3906 #ifdef CONFIG_P2P 3907 if (wpa_s->global->p2p && 3908 wpa_s->global->p2p_init_wpa_s->parent == wpa_s && 3909 (wpa_s->drv_flags & 3910 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) { 3911 wpa_dbg(wpa_s, MSG_DEBUG, 3912 "Removing P2P Device interface"); 3913 wpa_supplicant_remove_iface( 3914 wpa_s->global, wpa_s->global->p2p_init_wpa_s, 3915 0); 3916 wpa_s->global->p2p_init_wpa_s = NULL; 3917 } 3918 #endif /* CONFIG_P2P */ 3919 3920 #ifdef CONFIG_MATCH_IFACE 3921 if (wpa_s->matched) { 3922 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); 3923 break; 3924 } 3925 #endif /* CONFIG_MATCH_IFACE */ 3926 3927 #ifdef CONFIG_TERMINATE_ONLASTIF 3928 /* check if last interface */ 3929 if (!any_interfaces(wpa_s->global->ifaces)) 3930 eloop_terminate(); 3931 #endif /* CONFIG_TERMINATE_ONLASTIF */ 3932 break; 3933 } 3934 } 3935 3936 3937 #ifdef CONFIG_TDLS 3938 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, 3939 union wpa_event_data *data) 3940 { 3941 if (data == NULL) 3942 return; 3943 switch (data->tdls.oper) { 3944 case TDLS_REQUEST_SETUP: 3945 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); 3946 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 3947 wpa_tdls_start(wpa_s->wpa, data->tdls.peer); 3948 else 3949 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); 3950 break; 3951 case TDLS_REQUEST_TEARDOWN: 3952 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 3953 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, 3954 data->tdls.reason_code); 3955 else 3956 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, 3957 data->tdls.peer); 3958 break; 3959 case TDLS_REQUEST_DISCOVER: 3960 wpa_tdls_send_discovery_request(wpa_s->wpa, 3961 data->tdls.peer); 3962 break; 3963 } 3964 } 3965 #endif /* CONFIG_TDLS */ 3966 3967 3968 #ifdef CONFIG_WNM 3969 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, 3970 union wpa_event_data *data) 3971 { 3972 if (data == NULL) 3973 return; 3974 switch (data->wnm.oper) { 3975 case WNM_OPER_SLEEP: 3976 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " 3977 "(action=%d, intval=%d)", 3978 data->wnm.sleep_action, data->wnm.sleep_intval); 3979 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, 3980 data->wnm.sleep_intval, NULL); 3981 break; 3982 } 3983 } 3984 #endif /* CONFIG_WNM */ 3985 3986 3987 #ifdef CONFIG_IEEE80211R 3988 static void 3989 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, 3990 union wpa_event_data *data) 3991 { 3992 if (data == NULL) 3993 return; 3994 3995 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, 3996 data->ft_ies.ies_len, 3997 data->ft_ies.ft_action, 3998 data->ft_ies.target_ap, 3999 data->ft_ies.ric_ies, 4000 data->ft_ies.ric_ies_len) < 0) { 4001 /* TODO: prevent MLME/driver from trying to associate? */ 4002 } 4003 } 4004 #endif /* CONFIG_IEEE80211R */ 4005 4006 4007 #ifdef CONFIG_IBSS_RSN 4008 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, 4009 union wpa_event_data *data) 4010 { 4011 struct wpa_ssid *ssid; 4012 if (wpa_s->wpa_state < WPA_ASSOCIATED) 4013 return; 4014 if (data == NULL) 4015 return; 4016 ssid = wpa_s->current_ssid; 4017 if (ssid == NULL) 4018 return; 4019 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 4020 return; 4021 4022 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); 4023 } 4024 4025 4026 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s, 4027 union wpa_event_data *data) 4028 { 4029 struct wpa_ssid *ssid = wpa_s->current_ssid; 4030 4031 if (ssid == NULL) 4032 return; 4033 4034 /* check if the ssid is correctly configured as IBSS/RSN */ 4035 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 4036 return; 4037 4038 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame, 4039 data->rx_mgmt.frame_len); 4040 } 4041 #endif /* CONFIG_IBSS_RSN */ 4042 4043 4044 #ifdef CONFIG_IEEE80211R 4045 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, 4046 size_t len) 4047 { 4048 const u8 *sta_addr, *target_ap_addr; 4049 u16 status; 4050 4051 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); 4052 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 4053 return; /* only SME case supported for now */ 4054 if (len < 1 + 2 * ETH_ALEN + 2) 4055 return; 4056 if (data[0] != 2) 4057 return; /* Only FT Action Response is supported for now */ 4058 sta_addr = data + 1; 4059 target_ap_addr = data + 1 + ETH_ALEN; 4060 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); 4061 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " 4062 MACSTR " TargetAP " MACSTR " status %u", 4063 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); 4064 4065 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { 4066 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR 4067 " in FT Action Response", MAC2STR(sta_addr)); 4068 return; 4069 } 4070 4071 if (status) { 4072 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " 4073 "failure (status code %d)", status); 4074 /* TODO: report error to FT code(?) */ 4075 return; 4076 } 4077 4078 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, 4079 len - (1 + 2 * ETH_ALEN + 2), 1, 4080 target_ap_addr, NULL, 0) < 0) 4081 return; 4082 4083 #ifdef CONFIG_SME 4084 { 4085 struct wpa_bss *bss; 4086 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); 4087 if (bss) 4088 wpa_s->sme.freq = bss->freq; 4089 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; 4090 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, 4091 WLAN_AUTH_FT); 4092 } 4093 #endif /* CONFIG_SME */ 4094 } 4095 #endif /* CONFIG_IEEE80211R */ 4096 4097 4098 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, 4099 struct unprot_deauth *e) 4100 { 4101 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " 4102 "dropped: " MACSTR " -> " MACSTR 4103 " (reason code %u)", 4104 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 4105 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 4106 } 4107 4108 4109 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, 4110 struct unprot_disassoc *e) 4111 { 4112 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " 4113 "dropped: " MACSTR " -> " MACSTR 4114 " (reason code %u)", 4115 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 4116 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 4117 } 4118 4119 4120 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr, 4121 u16 reason_code, int locally_generated, 4122 const u8 *ie, size_t ie_len, int deauth) 4123 { 4124 #ifdef CONFIG_AP 4125 if (wpa_s->ap_iface && addr) { 4126 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr); 4127 return; 4128 } 4129 4130 if (wpa_s->ap_iface) { 4131 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode"); 4132 return; 4133 } 4134 #endif /* CONFIG_AP */ 4135 4136 if (!locally_generated) 4137 wpa_s->own_disconnect_req = 0; 4138 4139 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated); 4140 4141 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || 4142 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || 4143 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && 4144 eapol_sm_failed(wpa_s->eapol))) && 4145 !wpa_s->eap_expected_failure)) 4146 wpas_auth_failed(wpa_s, "AUTH_FAILED"); 4147 4148 #ifdef CONFIG_P2P 4149 if (deauth && reason_code > 0) { 4150 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len, 4151 locally_generated) > 0) { 4152 /* 4153 * The interface was removed, so cannot continue 4154 * processing any additional operations after this. 4155 */ 4156 return; 4157 } 4158 } 4159 #endif /* CONFIG_P2P */ 4160 4161 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, 4162 locally_generated); 4163 } 4164 4165 4166 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s, 4167 struct disassoc_info *info) 4168 { 4169 u16 reason_code = 0; 4170 int locally_generated = 0; 4171 const u8 *addr = NULL; 4172 const u8 *ie = NULL; 4173 size_t ie_len = 0; 4174 4175 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); 4176 4177 if (info) { 4178 addr = info->addr; 4179 ie = info->ie; 4180 ie_len = info->ie_len; 4181 reason_code = info->reason_code; 4182 locally_generated = info->locally_generated; 4183 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code, 4184 reason2str(reason_code), 4185 locally_generated ? " locally_generated=1" : ""); 4186 if (addr) 4187 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 4188 MAC2STR(addr)); 4189 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", 4190 ie, ie_len); 4191 } 4192 4193 #ifdef CONFIG_AP 4194 if (wpa_s->ap_iface && info && info->addr) { 4195 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr); 4196 return; 4197 } 4198 4199 if (wpa_s->ap_iface) { 4200 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode"); 4201 return; 4202 } 4203 #endif /* CONFIG_AP */ 4204 4205 #ifdef CONFIG_P2P 4206 if (info) { 4207 wpas_p2p_disassoc_notif( 4208 wpa_s, info->addr, reason_code, info->ie, info->ie_len, 4209 locally_generated); 4210 } 4211 #endif /* CONFIG_P2P */ 4212 4213 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 4214 sme_event_disassoc(wpa_s, info); 4215 4216 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated, 4217 ie, ie_len, 0); 4218 } 4219 4220 4221 static void wpas_event_deauth(struct wpa_supplicant *wpa_s, 4222 struct deauth_info *info) 4223 { 4224 u16 reason_code = 0; 4225 int locally_generated = 0; 4226 const u8 *addr = NULL; 4227 const u8 *ie = NULL; 4228 size_t ie_len = 0; 4229 4230 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification"); 4231 4232 if (info) { 4233 addr = info->addr; 4234 ie = info->ie; 4235 ie_len = info->ie_len; 4236 reason_code = info->reason_code; 4237 locally_generated = info->locally_generated; 4238 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", 4239 reason_code, reason2str(reason_code), 4240 locally_generated ? " locally_generated=1" : ""); 4241 if (addr) { 4242 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 4243 MAC2STR(addr)); 4244 } 4245 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)", 4246 ie, ie_len); 4247 } 4248 4249 wpa_reset_ft_completed(wpa_s->wpa); 4250 4251 wpas_event_disconnect(wpa_s, addr, reason_code, 4252 locally_generated, ie, ie_len, 1); 4253 } 4254 4255 4256 static const char * reg_init_str(enum reg_change_initiator init) 4257 { 4258 switch (init) { 4259 case REGDOM_SET_BY_CORE: 4260 return "CORE"; 4261 case REGDOM_SET_BY_USER: 4262 return "USER"; 4263 case REGDOM_SET_BY_DRIVER: 4264 return "DRIVER"; 4265 case REGDOM_SET_BY_COUNTRY_IE: 4266 return "COUNTRY_IE"; 4267 case REGDOM_BEACON_HINT: 4268 return "BEACON_HINT"; 4269 } 4270 return "?"; 4271 } 4272 4273 4274 static const char * reg_type_str(enum reg_type type) 4275 { 4276 switch (type) { 4277 case REGDOM_TYPE_UNKNOWN: 4278 return "UNKNOWN"; 4279 case REGDOM_TYPE_COUNTRY: 4280 return "COUNTRY"; 4281 case REGDOM_TYPE_WORLD: 4282 return "WORLD"; 4283 case REGDOM_TYPE_CUSTOM_WORLD: 4284 return "CUSTOM_WORLD"; 4285 case REGDOM_TYPE_INTERSECTION: 4286 return "INTERSECTION"; 4287 } 4288 return "?"; 4289 } 4290 4291 4292 void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s, 4293 struct channel_list_changed *info) 4294 { 4295 struct wpa_supplicant *ifs; 4296 u8 dfs_domain; 4297 4298 /* 4299 * To allow backwards compatibility with higher level layers that 4300 * assumed the REGDOM_CHANGE event is sent over the initially added 4301 * interface. Find the highest parent of this interface and use it to 4302 * send the event. 4303 */ 4304 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent) 4305 ; 4306 4307 if (info) { 4308 wpa_msg(ifs, MSG_INFO, 4309 WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s", 4310 reg_init_str(info->initiator), reg_type_str(info->type), 4311 info->alpha2[0] ? " alpha2=" : "", 4312 info->alpha2[0] ? info->alpha2 : ""); 4313 } 4314 4315 if (wpa_s->drv_priv == NULL) 4316 return; /* Ignore event during drv initialization */ 4317 4318 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 4319 radio_list) { 4320 wpa_printf(MSG_DEBUG, "%s: Updating hw mode", 4321 ifs->ifname); 4322 free_hw_features(ifs); 4323 ifs->hw.modes = wpa_drv_get_hw_feature_data( 4324 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain); 4325 4326 /* Restart PNO/sched_scan with updated channel list */ 4327 if (ifs->pno) { 4328 wpas_stop_pno(ifs); 4329 wpas_start_pno(ifs); 4330 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) { 4331 wpa_dbg(ifs, MSG_DEBUG, 4332 "Channel list changed - restart sched_scan"); 4333 wpas_scan_restart_sched_scan(ifs); 4334 } 4335 } 4336 4337 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER); 4338 } 4339 4340 4341 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s, 4342 const u8 *frame, size_t len, int freq, 4343 int rssi) 4344 { 4345 const struct ieee80211_mgmt *mgmt; 4346 const u8 *payload; 4347 size_t plen; 4348 u8 category; 4349 4350 if (len < IEEE80211_HDRLEN + 2) 4351 return; 4352 4353 mgmt = (const struct ieee80211_mgmt *) frame; 4354 payload = frame + IEEE80211_HDRLEN; 4355 category = *payload++; 4356 plen = len - IEEE80211_HDRLEN - 1; 4357 4358 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR 4359 " Category=%u DataLen=%d freq=%d MHz", 4360 MAC2STR(mgmt->sa), category, (int) plen, freq); 4361 4362 if (category == WLAN_ACTION_WMM) { 4363 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen); 4364 return; 4365 } 4366 4367 #ifdef CONFIG_IEEE80211R 4368 if (category == WLAN_ACTION_FT) { 4369 ft_rx_action(wpa_s, payload, plen); 4370 return; 4371 } 4372 #endif /* CONFIG_IEEE80211R */ 4373 4374 #ifdef CONFIG_SME 4375 if (category == WLAN_ACTION_SA_QUERY) { 4376 sme_sa_query_rx(wpa_s, mgmt->da, mgmt->sa, payload, plen); 4377 return; 4378 } 4379 #endif /* CONFIG_SME */ 4380 4381 #ifdef CONFIG_WNM 4382 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 4383 ieee802_11_rx_wnm_action(wpa_s, mgmt, len); 4384 return; 4385 } 4386 #endif /* CONFIG_WNM */ 4387 4388 #ifdef CONFIG_GAS 4389 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 4390 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 4391 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid, 4392 mgmt->u.action.category, 4393 payload, plen, freq) == 0) 4394 return; 4395 #endif /* CONFIG_GAS */ 4396 4397 #ifdef CONFIG_GAS_SERVER 4398 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 4399 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 4400 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid, 4401 mgmt->u.action.category, 4402 payload, plen, freq) == 0) 4403 return; 4404 #endif /* CONFIG_GAS_SERVER */ 4405 4406 #ifdef CONFIG_TDLS 4407 if (category == WLAN_ACTION_PUBLIC && plen >= 4 && 4408 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { 4409 wpa_dbg(wpa_s, MSG_DEBUG, 4410 "TDLS: Received Discovery Response from " MACSTR, 4411 MAC2STR(mgmt->sa)); 4412 return; 4413 } 4414 #endif /* CONFIG_TDLS */ 4415 4416 #ifdef CONFIG_INTERWORKING 4417 if (category == WLAN_ACTION_QOS && plen >= 1 && 4418 payload[0] == QOS_QOS_MAP_CONFIG) { 4419 const u8 *pos = payload + 1; 4420 size_t qlen = plen - 1; 4421 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from " 4422 MACSTR, MAC2STR(mgmt->sa)); 4423 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 && 4424 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET && 4425 pos[1] <= qlen - 2 && pos[1] >= 16) 4426 wpas_qos_map_set(wpa_s, pos + 2, pos[1]); 4427 return; 4428 } 4429 #endif /* CONFIG_INTERWORKING */ 4430 4431 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 4432 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) { 4433 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa, 4434 mgmt->da, 4435 payload + 1, 4436 plen - 1); 4437 return; 4438 } 4439 4440 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 4441 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) { 4442 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1); 4443 return; 4444 } 4445 4446 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 4447 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) { 4448 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa, 4449 payload + 1, plen - 1, 4450 rssi); 4451 return; 4452 } 4453 4454 #ifdef CONFIG_FST 4455 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) { 4456 fst_rx_action(wpa_s->fst, mgmt, len); 4457 return; 4458 } 4459 #endif /* CONFIG_FST */ 4460 4461 #ifdef CONFIG_DPP 4462 if (category == WLAN_ACTION_PUBLIC && plen >= 5 && 4463 payload[0] == WLAN_PA_VENDOR_SPECIFIC && 4464 WPA_GET_BE24(&payload[1]) == OUI_WFA && 4465 payload[4] == DPP_OUI_TYPE) { 4466 payload++; 4467 plen--; 4468 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq); 4469 return; 4470 } 4471 #endif /* CONFIG_DPP */ 4472 4473 if (category == WLAN_ACTION_ROBUST_AV_STREAMING && 4474 payload[0] == ROBUST_AV_SCS_RESP) { 4475 wpas_handle_robust_av_scs_recv_action(wpa_s, mgmt->sa, 4476 payload + 1, plen - 1); 4477 return; 4478 } 4479 4480 if (category == WLAN_ACTION_ROBUST_AV_STREAMING && 4481 payload[0] == ROBUST_AV_MSCS_RESP) { 4482 wpas_handle_robust_av_recv_action(wpa_s, mgmt->sa, 4483 payload + 1, plen - 1); 4484 return; 4485 } 4486 4487 if (category == WLAN_ACTION_VENDOR_SPECIFIC_PROTECTED && plen > 4 && 4488 WPA_GET_BE32(payload) == QM_ACTION_VENDOR_TYPE) { 4489 wpas_handle_qos_mgmt_recv_action(wpa_s, mgmt->sa, 4490 payload + 4, plen - 4); 4491 return; 4492 } 4493 4494 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, 4495 category, payload, plen, freq); 4496 if (wpa_s->ifmsh) 4497 mesh_mpm_action_rx(wpa_s, mgmt, len); 4498 } 4499 4500 4501 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s, 4502 union wpa_event_data *event) 4503 { 4504 struct wpa_freq_range_list *list; 4505 char *str = NULL; 4506 4507 list = &event->freq_range; 4508 4509 if (list->num) 4510 str = freq_range_list_str(list); 4511 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s", 4512 str ? str : ""); 4513 4514 #ifdef CONFIG_P2P 4515 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) { 4516 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range", 4517 __func__); 4518 } else { 4519 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event"); 4520 4521 /* 4522 * The update channel flow will also take care of moving a GO 4523 * from the unsafe frequency if needed. 4524 */ 4525 wpas_p2p_update_channel_list(wpa_s, 4526 WPAS_P2P_CHANNEL_UPDATE_AVOID); 4527 } 4528 #endif /* CONFIG_P2P */ 4529 4530 os_free(str); 4531 } 4532 4533 4534 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s) 4535 { 4536 if (wpa_s->wpa_state == WPA_ASSOCIATED) { 4537 wpa_supplicant_cancel_auth_timeout(wpa_s); 4538 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 4539 eapol_sm_notify_portValid(wpa_s->eapol, true); 4540 eapol_sm_notify_eap_success(wpa_s->eapol, true); 4541 wpa_s->drv_authorized_port = 1; 4542 } 4543 } 4544 4545 4546 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s, 4547 int freq) 4548 { 4549 size_t i; 4550 int j; 4551 4552 for (i = 0; i < wpa_s->hw.num_modes; i++) { 4553 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; 4554 4555 for (j = 0; j < mode->num_channels; j++) { 4556 const struct hostapd_channel_data *chan; 4557 4558 chan = &mode->channels[j]; 4559 if (chan->freq == freq) 4560 return chan->dfs_cac_ms; 4561 } 4562 } 4563 4564 return 0; 4565 } 4566 4567 4568 static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s, 4569 struct dfs_event *radar) 4570 { 4571 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 4572 if (wpa_s->ap_iface || wpa_s->ifmsh) { 4573 wpas_ap_event_dfs_cac_started(wpa_s, radar); 4574 } else 4575 #endif /* NEED_AP_MLME && CONFIG_AP */ 4576 { 4577 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq); 4578 4579 cac_time /= 1000; /* convert from ms to sec */ 4580 if (!cac_time) 4581 cac_time = 10 * 60; /* max timeout: 10 minutes */ 4582 4583 /* Restart auth timeout: CAC time added to initial timeout */ 4584 wpas_auth_timeout_restart(wpa_s, cac_time); 4585 } 4586 } 4587 4588 4589 static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s, 4590 struct dfs_event *radar) 4591 { 4592 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 4593 if (wpa_s->ap_iface || wpa_s->ifmsh) { 4594 wpas_ap_event_dfs_cac_finished(wpa_s, radar); 4595 } else 4596 #endif /* NEED_AP_MLME && CONFIG_AP */ 4597 { 4598 /* Restart auth timeout with original value after CAC is 4599 * finished */ 4600 wpas_auth_timeout_restart(wpa_s, 0); 4601 } 4602 } 4603 4604 4605 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s, 4606 struct dfs_event *radar) 4607 { 4608 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 4609 if (wpa_s->ap_iface || wpa_s->ifmsh) { 4610 wpas_ap_event_dfs_cac_aborted(wpa_s, radar); 4611 } else 4612 #endif /* NEED_AP_MLME && CONFIG_AP */ 4613 { 4614 /* Restart auth timeout with original value after CAC is 4615 * aborted */ 4616 wpas_auth_timeout_restart(wpa_s, 0); 4617 } 4618 } 4619 4620 4621 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s, 4622 union wpa_event_data *data) 4623 { 4624 wpa_dbg(wpa_s, MSG_DEBUG, 4625 "Connection authorized by device, previous state %d", 4626 wpa_s->wpa_state); 4627 4628 wpa_supplicant_event_port_authorized(wpa_s); 4629 4630 wpa_s->last_eapol_matches_bssid = 1; 4631 4632 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr); 4633 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck, 4634 data->assoc_info.ptk_kck_len, 4635 data->assoc_info.ptk_kek, 4636 data->assoc_info.ptk_kek_len); 4637 #ifdef CONFIG_FILS 4638 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 4639 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 4640 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 4641 4642 /* Update ERP next sequence number */ 4643 eapol_sm_update_erp_next_seq_num( 4644 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num); 4645 4646 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) { 4647 /* Add the new PMK and PMKID to the PMKSA cache */ 4648 wpa_sm_pmksa_cache_add(wpa_s->wpa, 4649 data->assoc_info.fils_pmk, 4650 data->assoc_info.fils_pmk_len, 4651 data->assoc_info.fils_pmkid, 4652 wpa_s->bssid, fils_cache_id); 4653 } else if (data->assoc_info.fils_pmkid) { 4654 /* Update the current PMKSA used for this connection */ 4655 pmksa_cache_set_current(wpa_s->wpa, 4656 data->assoc_info.fils_pmkid, 4657 NULL, NULL, 0, NULL, 0); 4658 } 4659 } 4660 #endif /* CONFIG_FILS */ 4661 } 4662 4663 4664 static const char * connect_fail_reason(enum sta_connect_fail_reason_codes code) 4665 { 4666 switch (code) { 4667 case STA_CONNECT_FAIL_REASON_UNSPECIFIED: 4668 return ""; 4669 case STA_CONNECT_FAIL_REASON_NO_BSS_FOUND: 4670 return "no_bss_found"; 4671 case STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL: 4672 return "auth_tx_fail"; 4673 case STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED: 4674 return "auth_no_ack_received"; 4675 case STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED: 4676 return "auth_no_resp_received"; 4677 case STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL: 4678 return "assoc_req_tx_fail"; 4679 case STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED: 4680 return "assoc_no_ack_received"; 4681 case STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED: 4682 return "assoc_no_resp_received"; 4683 default: 4684 return "unknown_reason"; 4685 } 4686 } 4687 4688 4689 static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s, 4690 union wpa_event_data *data) 4691 { 4692 const u8 *bssid = data->assoc_reject.bssid; 4693 #ifdef CONFIG_MBO 4694 struct wpa_bss *reject_bss; 4695 #endif /* CONFIG_MBO */ 4696 4697 if (!bssid || is_zero_ether_addr(bssid)) 4698 bssid = wpa_s->pending_bssid; 4699 #ifdef CONFIG_MBO 4700 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 4701 reject_bss = wpa_s->current_bss; 4702 else 4703 reject_bss = wpa_bss_get_bssid(wpa_s, bssid); 4704 #endif /* CONFIG_MBO */ 4705 4706 if (data->assoc_reject.bssid) 4707 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 4708 "bssid=" MACSTR " status_code=%u%s%s%s%s%s", 4709 MAC2STR(data->assoc_reject.bssid), 4710 data->assoc_reject.status_code, 4711 data->assoc_reject.timed_out ? " timeout" : "", 4712 data->assoc_reject.timeout_reason ? "=" : "", 4713 data->assoc_reject.timeout_reason ? 4714 data->assoc_reject.timeout_reason : "", 4715 data->assoc_reject.reason_code != 4716 STA_CONNECT_FAIL_REASON_UNSPECIFIED ? 4717 " qca_driver_reason=" : "", 4718 connect_fail_reason(data->assoc_reject.reason_code)); 4719 else 4720 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 4721 "status_code=%u%s%s%s%s%s", 4722 data->assoc_reject.status_code, 4723 data->assoc_reject.timed_out ? " timeout" : "", 4724 data->assoc_reject.timeout_reason ? "=" : "", 4725 data->assoc_reject.timeout_reason ? 4726 data->assoc_reject.timeout_reason : "", 4727 data->assoc_reject.reason_code != 4728 STA_CONNECT_FAIL_REASON_UNSPECIFIED ? 4729 " qca_driver_reason=" : "", 4730 connect_fail_reason(data->assoc_reject.reason_code)); 4731 wpa_s->assoc_status_code = data->assoc_reject.status_code; 4732 wpas_notify_assoc_status_code(wpa_s); 4733 4734 #ifdef CONFIG_OWE 4735 if (data->assoc_reject.status_code == 4736 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED && 4737 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 4738 wpa_s->current_ssid && 4739 wpa_s->current_ssid->owe_group == 0 && 4740 wpa_s->last_owe_group != 21) { 4741 struct wpa_ssid *ssid = wpa_s->current_ssid; 4742 struct wpa_bss *bss = wpa_s->current_bss; 4743 4744 if (!bss) { 4745 bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 4746 if (!bss) { 4747 wpas_connection_failed(wpa_s, bssid); 4748 wpa_supplicant_mark_disassoc(wpa_s); 4749 return; 4750 } 4751 } 4752 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group"); 4753 wpas_connect_work_done(wpa_s); 4754 wpa_supplicant_mark_disassoc(wpa_s); 4755 wpa_supplicant_connect(wpa_s, bss, ssid); 4756 return; 4757 } 4758 #endif /* CONFIG_OWE */ 4759 4760 #ifdef CONFIG_DPP2 4761 /* Try to follow AP's PFS policy. WLAN_STATUS_ASSOC_DENIED_UNSPEC is 4762 * the status code defined in the DPP R2 tech spec. 4763 * WLAN_STATUS_AKMP_NOT_VALID is addressed in the same manner as an 4764 * interoperability workaround with older hostapd implementation. */ 4765 if (DPP_VERSION > 1 && wpa_s->current_ssid && 4766 (wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP || 4767 ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_DPP) && 4768 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)) && 4769 wpa_s->current_ssid->dpp_pfs == 0 && 4770 (data->assoc_reject.status_code == 4771 WLAN_STATUS_ASSOC_DENIED_UNSPEC || 4772 data->assoc_reject.status_code == WLAN_STATUS_AKMP_NOT_VALID)) { 4773 struct wpa_ssid *ssid = wpa_s->current_ssid; 4774 struct wpa_bss *bss = wpa_s->current_bss; 4775 4776 wpa_s->current_ssid->dpp_pfs_fallback ^= 1; 4777 if (!bss) 4778 bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 4779 if (!bss || wpa_s->dpp_pfs_fallback) { 4780 wpa_printf(MSG_DEBUG, 4781 "DPP: Updated PFS policy for next try"); 4782 wpas_connection_failed(wpa_s, bssid); 4783 wpa_supplicant_mark_disassoc(wpa_s); 4784 return; 4785 } 4786 wpa_printf(MSG_DEBUG, "DPP: Try again with updated PFS policy"); 4787 wpa_s->dpp_pfs_fallback = 1; 4788 wpas_connect_work_done(wpa_s); 4789 wpa_supplicant_mark_disassoc(wpa_s); 4790 wpa_supplicant_connect(wpa_s, bss, ssid); 4791 return; 4792 } 4793 #endif /* CONFIG_DPP2 */ 4794 4795 #ifdef CONFIG_MBO 4796 if (data->assoc_reject.status_code == 4797 WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS && 4798 reject_bss && data->assoc_reject.resp_ies) { 4799 const u8 *rssi_rej; 4800 4801 rssi_rej = mbo_get_attr_from_ies( 4802 data->assoc_reject.resp_ies, 4803 data->assoc_reject.resp_ies_len, 4804 OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT); 4805 if (rssi_rej && rssi_rej[1] == 2) { 4806 wpa_printf(MSG_DEBUG, 4807 "OCE: RSSI-based association rejection from " 4808 MACSTR " (Delta RSSI: %u, Retry Delay: %u)", 4809 MAC2STR(reject_bss->bssid), 4810 rssi_rej[2], rssi_rej[3]); 4811 wpa_bss_tmp_disallow(wpa_s, 4812 reject_bss->bssid, 4813 rssi_rej[3], 4814 rssi_rej[2] + reject_bss->level); 4815 } 4816 } 4817 #endif /* CONFIG_MBO */ 4818 4819 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 4820 sme_event_assoc_reject(wpa_s, data); 4821 return; 4822 } 4823 4824 /* Driver-based SME cases */ 4825 4826 #ifdef CONFIG_SAE 4827 if (wpa_s->current_ssid && 4828 wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) && 4829 !data->assoc_reject.timed_out) { 4830 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry"); 4831 wpa_sm_aborted_cached(wpa_s->wpa); 4832 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 4833 } 4834 #endif /* CONFIG_SAE */ 4835 4836 #ifdef CONFIG_DPP 4837 if (wpa_s->current_ssid && 4838 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP && 4839 !data->assoc_reject.timed_out) { 4840 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry"); 4841 wpa_sm_aborted_cached(wpa_s->wpa); 4842 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 4843 } 4844 #endif /* CONFIG_DPP */ 4845 4846 #ifdef CONFIG_FILS 4847 /* Update ERP next sequence number */ 4848 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 4849 fils_pmksa_cache_flush(wpa_s); 4850 eapol_sm_update_erp_next_seq_num( 4851 wpa_s->eapol, 4852 data->assoc_reject.fils_erp_next_seq_num); 4853 fils_connection_failure(wpa_s); 4854 } 4855 #endif /* CONFIG_FILS */ 4856 4857 wpas_connection_failed(wpa_s, bssid); 4858 wpa_supplicant_mark_disassoc(wpa_s); 4859 } 4860 4861 4862 static void wpas_event_unprot_beacon(struct wpa_supplicant *wpa_s, 4863 struct unprot_beacon *data) 4864 { 4865 struct wpabuf *buf; 4866 int res; 4867 4868 if (!data || wpa_s->wpa_state != WPA_COMPLETED || 4869 os_memcmp(data->sa, wpa_s->bssid, ETH_ALEN) != 0) 4870 return; 4871 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_UNPROT_BEACON MACSTR, 4872 MAC2STR(data->sa)); 4873 4874 buf = wpabuf_alloc(4); 4875 if (!buf) 4876 return; 4877 4878 wpabuf_put_u8(buf, WLAN_ACTION_WNM); 4879 wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ); 4880 wpabuf_put_u8(buf, 1); /* Dialog Token */ 4881 wpabuf_put_u8(buf, WNM_NOTIF_TYPE_BEACON_PROTECTION_FAILURE); 4882 4883 res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, 4884 wpa_s->own_addr, wpa_s->bssid, 4885 wpabuf_head(buf), wpabuf_len(buf), 0); 4886 if (res < 0) 4887 wpa_printf(MSG_DEBUG, 4888 "Failed to send WNM-Notification Request frame"); 4889 4890 wpabuf_free(buf); 4891 } 4892 4893 4894 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 4895 union wpa_event_data *data) 4896 { 4897 struct wpa_supplicant *wpa_s = ctx; 4898 int resched; 4899 struct os_reltime age, clear_at; 4900 #ifndef CONFIG_NO_STDOUT_DEBUG 4901 int level = MSG_DEBUG; 4902 #endif /* CONFIG_NO_STDOUT_DEBUG */ 4903 4904 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && 4905 event != EVENT_INTERFACE_ENABLED && 4906 event != EVENT_INTERFACE_STATUS && 4907 event != EVENT_SCAN_RESULTS && 4908 event != EVENT_SCHED_SCAN_STOPPED) { 4909 wpa_dbg(wpa_s, MSG_DEBUG, 4910 "Ignore event %s (%d) while interface is disabled", 4911 event_to_string(event), event); 4912 return; 4913 } 4914 4915 #ifndef CONFIG_NO_STDOUT_DEBUG 4916 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { 4917 const struct ieee80211_hdr *hdr; 4918 u16 fc; 4919 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 4920 fc = le_to_host16(hdr->frame_control); 4921 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 4922 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 4923 level = MSG_EXCESSIVE; 4924 } 4925 4926 wpa_dbg(wpa_s, level, "Event %s (%d) received", 4927 event_to_string(event), event); 4928 #endif /* CONFIG_NO_STDOUT_DEBUG */ 4929 4930 switch (event) { 4931 case EVENT_AUTH: 4932 #ifdef CONFIG_FST 4933 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies, 4934 data->auth.ies_len)) 4935 wpa_printf(MSG_DEBUG, 4936 "FST: MB IEs updated from auth IE"); 4937 #endif /* CONFIG_FST */ 4938 sme_event_auth(wpa_s, data); 4939 wpa_s->auth_status_code = data->auth.status_code; 4940 wpas_notify_auth_status_code(wpa_s); 4941 break; 4942 case EVENT_ASSOC: 4943 #ifdef CONFIG_TESTING_OPTIONS 4944 if (wpa_s->ignore_auth_resp) { 4945 wpa_printf(MSG_INFO, 4946 "EVENT_ASSOC - ignore_auth_resp active!"); 4947 break; 4948 } 4949 if (wpa_s->testing_resend_assoc) { 4950 wpa_printf(MSG_INFO, 4951 "EVENT_DEAUTH - testing_resend_assoc"); 4952 break; 4953 } 4954 #endif /* CONFIG_TESTING_OPTIONS */ 4955 if (wpa_s->disconnected) { 4956 wpa_printf(MSG_INFO, 4957 "Ignore unexpected EVENT_ASSOC in disconnected state"); 4958 break; 4959 } 4960 wpa_supplicant_event_assoc(wpa_s, data); 4961 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS; 4962 if (data && 4963 (data->assoc_info.authorized || 4964 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 4965 wpa_fils_is_completed(wpa_s->wpa)))) 4966 wpa_supplicant_event_assoc_auth(wpa_s, data); 4967 if (data) { 4968 wpa_msg(wpa_s, MSG_INFO, 4969 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u", 4970 data->assoc_info.subnet_status); 4971 } 4972 break; 4973 case EVENT_DISASSOC: 4974 wpas_event_disassoc(wpa_s, 4975 data ? &data->disassoc_info : NULL); 4976 break; 4977 case EVENT_DEAUTH: 4978 #ifdef CONFIG_TESTING_OPTIONS 4979 if (wpa_s->ignore_auth_resp) { 4980 wpa_printf(MSG_INFO, 4981 "EVENT_DEAUTH - ignore_auth_resp active!"); 4982 break; 4983 } 4984 if (wpa_s->testing_resend_assoc) { 4985 wpa_printf(MSG_INFO, 4986 "EVENT_DEAUTH - testing_resend_assoc"); 4987 break; 4988 } 4989 #endif /* CONFIG_TESTING_OPTIONS */ 4990 wpas_event_deauth(wpa_s, 4991 data ? &data->deauth_info : NULL); 4992 break; 4993 case EVENT_MICHAEL_MIC_FAILURE: 4994 wpa_supplicant_event_michael_mic_failure(wpa_s, data); 4995 break; 4996 #ifndef CONFIG_NO_SCAN_PROCESSING 4997 case EVENT_SCAN_STARTED: 4998 if (wpa_s->own_scan_requested || 4999 (data && !data->scan_info.external_scan)) { 5000 struct os_reltime diff; 5001 5002 os_get_reltime(&wpa_s->scan_start_time); 5003 os_reltime_sub(&wpa_s->scan_start_time, 5004 &wpa_s->scan_trigger_time, &diff); 5005 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds", 5006 diff.sec, diff.usec); 5007 wpa_s->own_scan_requested = 0; 5008 wpa_s->own_scan_running = 1; 5009 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 5010 wpa_s->manual_scan_use_id) { 5011 wpa_msg_ctrl(wpa_s, MSG_INFO, 5012 WPA_EVENT_SCAN_STARTED "id=%u", 5013 wpa_s->manual_scan_id); 5014 } else { 5015 wpa_msg_ctrl(wpa_s, MSG_INFO, 5016 WPA_EVENT_SCAN_STARTED); 5017 } 5018 } else { 5019 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan"); 5020 wpa_s->radio->external_scan_req_interface = wpa_s; 5021 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED); 5022 } 5023 break; 5024 case EVENT_SCAN_RESULTS: 5025 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 5026 wpa_s->scan_res_handler = NULL; 5027 wpa_s->own_scan_running = 0; 5028 wpa_s->radio->external_scan_req_interface = NULL; 5029 wpa_s->last_scan_req = NORMAL_SCAN_REQ; 5030 break; 5031 } 5032 5033 if (!(data && data->scan_info.external_scan) && 5034 os_reltime_initialized(&wpa_s->scan_start_time)) { 5035 struct os_reltime now, diff; 5036 os_get_reltime(&now); 5037 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff); 5038 wpa_s->scan_start_time.sec = 0; 5039 wpa_s->scan_start_time.usec = 0; 5040 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds", 5041 diff.sec, diff.usec); 5042 } 5043 if (wpa_supplicant_event_scan_results(wpa_s, data)) 5044 break; /* interface may have been removed */ 5045 if (!(data && data->scan_info.external_scan)) 5046 wpa_s->own_scan_running = 0; 5047 if (data && data->scan_info.nl_scan_event) 5048 wpa_s->radio->external_scan_req_interface = NULL; 5049 radio_work_check_next(wpa_s); 5050 break; 5051 #endif /* CONFIG_NO_SCAN_PROCESSING */ 5052 case EVENT_ASSOCINFO: 5053 wpa_supplicant_event_associnfo(wpa_s, data); 5054 break; 5055 case EVENT_INTERFACE_STATUS: 5056 wpa_supplicant_event_interface_status(wpa_s, data); 5057 break; 5058 case EVENT_PMKID_CANDIDATE: 5059 wpa_supplicant_event_pmkid_candidate(wpa_s, data); 5060 break; 5061 #ifdef CONFIG_TDLS 5062 case EVENT_TDLS: 5063 wpa_supplicant_event_tdls(wpa_s, data); 5064 break; 5065 #endif /* CONFIG_TDLS */ 5066 #ifdef CONFIG_WNM 5067 case EVENT_WNM: 5068 wpa_supplicant_event_wnm(wpa_s, data); 5069 break; 5070 #endif /* CONFIG_WNM */ 5071 #ifdef CONFIG_IEEE80211R 5072 case EVENT_FT_RESPONSE: 5073 wpa_supplicant_event_ft_response(wpa_s, data); 5074 break; 5075 #endif /* CONFIG_IEEE80211R */ 5076 #ifdef CONFIG_IBSS_RSN 5077 case EVENT_IBSS_RSN_START: 5078 wpa_supplicant_event_ibss_rsn_start(wpa_s, data); 5079 break; 5080 #endif /* CONFIG_IBSS_RSN */ 5081 case EVENT_ASSOC_REJECT: 5082 wpas_event_assoc_reject(wpa_s, data); 5083 break; 5084 case EVENT_AUTH_TIMED_OUT: 5085 /* It is possible to get this event from earlier connection */ 5086 if (wpa_s->current_ssid && 5087 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 5088 wpa_dbg(wpa_s, MSG_DEBUG, 5089 "Ignore AUTH_TIMED_OUT in mesh configuration"); 5090 break; 5091 } 5092 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 5093 sme_event_auth_timed_out(wpa_s, data); 5094 break; 5095 case EVENT_ASSOC_TIMED_OUT: 5096 /* It is possible to get this event from earlier connection */ 5097 if (wpa_s->current_ssid && 5098 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 5099 wpa_dbg(wpa_s, MSG_DEBUG, 5100 "Ignore ASSOC_TIMED_OUT in mesh configuration"); 5101 break; 5102 } 5103 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 5104 sme_event_assoc_timed_out(wpa_s, data); 5105 break; 5106 case EVENT_TX_STATUS: 5107 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR 5108 " type=%d stype=%d", 5109 MAC2STR(data->tx_status.dst), 5110 data->tx_status.type, data->tx_status.stype); 5111 #ifdef CONFIG_PASN 5112 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 5113 data->tx_status.stype == WLAN_FC_STYPE_AUTH && 5114 wpas_pasn_auth_tx_status(wpa_s, data->tx_status.data, 5115 data->tx_status.data_len, 5116 data->tx_status.ack) == 0) 5117 break; 5118 #endif /* CONFIG_PASN */ 5119 #ifdef CONFIG_AP 5120 if (wpa_s->ap_iface == NULL) { 5121 #ifdef CONFIG_OFFCHANNEL 5122 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 5123 data->tx_status.stype == WLAN_FC_STYPE_ACTION) 5124 offchannel_send_action_tx_status( 5125 wpa_s, data->tx_status.dst, 5126 data->tx_status.data, 5127 data->tx_status.data_len, 5128 data->tx_status.ack ? 5129 OFFCHANNEL_SEND_ACTION_SUCCESS : 5130 OFFCHANNEL_SEND_ACTION_NO_ACK); 5131 #endif /* CONFIG_OFFCHANNEL */ 5132 break; 5133 } 5134 #endif /* CONFIG_AP */ 5135 #ifdef CONFIG_OFFCHANNEL 5136 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" 5137 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst)); 5138 /* 5139 * Catch TX status events for Action frames we sent via group 5140 * interface in GO mode, or via standalone AP interface. 5141 * Note, wpa_s->p2pdev will be the same as wpa_s->parent, 5142 * except when the primary interface is used as a GO interface 5143 * (for drivers which do not have group interface concurrency) 5144 */ 5145 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 5146 data->tx_status.stype == WLAN_FC_STYPE_ACTION && 5147 os_memcmp(wpa_s->p2pdev->pending_action_dst, 5148 data->tx_status.dst, ETH_ALEN) == 0) { 5149 offchannel_send_action_tx_status( 5150 wpa_s->p2pdev, data->tx_status.dst, 5151 data->tx_status.data, 5152 data->tx_status.data_len, 5153 data->tx_status.ack ? 5154 OFFCHANNEL_SEND_ACTION_SUCCESS : 5155 OFFCHANNEL_SEND_ACTION_NO_ACK); 5156 break; 5157 } 5158 #endif /* CONFIG_OFFCHANNEL */ 5159 #ifdef CONFIG_AP 5160 switch (data->tx_status.type) { 5161 case WLAN_FC_TYPE_MGMT: 5162 ap_mgmt_tx_cb(wpa_s, data->tx_status.data, 5163 data->tx_status.data_len, 5164 data->tx_status.stype, 5165 data->tx_status.ack); 5166 break; 5167 case WLAN_FC_TYPE_DATA: 5168 ap_tx_status(wpa_s, data->tx_status.dst, 5169 data->tx_status.data, 5170 data->tx_status.data_len, 5171 data->tx_status.ack); 5172 break; 5173 } 5174 #endif /* CONFIG_AP */ 5175 break; 5176 #ifdef CONFIG_AP 5177 case EVENT_EAPOL_TX_STATUS: 5178 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, 5179 data->eapol_tx_status.data, 5180 data->eapol_tx_status.data_len, 5181 data->eapol_tx_status.ack); 5182 break; 5183 case EVENT_DRIVER_CLIENT_POLL_OK: 5184 ap_client_poll_ok(wpa_s, data->client_poll.addr); 5185 break; 5186 case EVENT_RX_FROM_UNKNOWN: 5187 if (wpa_s->ap_iface == NULL) 5188 break; 5189 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, 5190 data->rx_from_unknown.wds); 5191 break; 5192 #endif /* CONFIG_AP */ 5193 5194 case EVENT_CH_SWITCH_STARTED: 5195 case EVENT_CH_SWITCH: 5196 if (!data || !wpa_s->current_ssid) 5197 break; 5198 5199 wpa_msg(wpa_s, MSG_INFO, 5200 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d", 5201 event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH : 5202 WPA_EVENT_CHANNEL_SWITCH_STARTED, 5203 data->ch_switch.freq, 5204 data->ch_switch.ht_enabled, 5205 data->ch_switch.ch_offset, 5206 channel_width_to_string(data->ch_switch.ch_width), 5207 data->ch_switch.cf1, 5208 data->ch_switch.cf2); 5209 if (event == EVENT_CH_SWITCH_STARTED) 5210 break; 5211 5212 wpa_s->assoc_freq = data->ch_switch.freq; 5213 wpa_s->current_ssid->frequency = data->ch_switch.freq; 5214 if (wpa_s->current_bss && 5215 wpa_s->current_bss->freq != data->ch_switch.freq) { 5216 wpa_s->current_bss->freq = data->ch_switch.freq; 5217 notify_bss_changes(wpa_s, WPA_BSS_FREQ_CHANGED_FLAG, 5218 wpa_s->current_bss); 5219 } 5220 5221 #ifdef CONFIG_SME 5222 switch (data->ch_switch.ch_offset) { 5223 case 1: 5224 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_ABOVE; 5225 break; 5226 case -1: 5227 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_BELOW; 5228 break; 5229 default: 5230 wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_UNKNOWN; 5231 break; 5232 } 5233 #endif /* CONFIG_SME */ 5234 5235 #ifdef CONFIG_AP 5236 if (wpa_s->current_ssid->mode == WPAS_MODE_AP || 5237 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO || 5238 wpa_s->current_ssid->mode == WPAS_MODE_MESH || 5239 wpa_s->current_ssid->mode == 5240 WPAS_MODE_P2P_GROUP_FORMATION) { 5241 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, 5242 data->ch_switch.ht_enabled, 5243 data->ch_switch.ch_offset, 5244 data->ch_switch.ch_width, 5245 data->ch_switch.cf1, 5246 data->ch_switch.cf2, 5247 1); 5248 } 5249 #endif /* CONFIG_AP */ 5250 5251 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 5252 sme_event_ch_switch(wpa_s); 5253 5254 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS); 5255 wnm_clear_coloc_intf_reporting(wpa_s); 5256 break; 5257 #ifdef CONFIG_AP 5258 #ifdef NEED_AP_MLME 5259 case EVENT_DFS_RADAR_DETECTED: 5260 if (data) 5261 wpas_ap_event_dfs_radar_detected(wpa_s, 5262 &data->dfs_event); 5263 break; 5264 case EVENT_DFS_NOP_FINISHED: 5265 if (data) 5266 wpas_ap_event_dfs_cac_nop_finished(wpa_s, 5267 &data->dfs_event); 5268 break; 5269 #endif /* NEED_AP_MLME */ 5270 #endif /* CONFIG_AP */ 5271 case EVENT_DFS_CAC_STARTED: 5272 if (data) 5273 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event); 5274 break; 5275 case EVENT_DFS_CAC_FINISHED: 5276 if (data) 5277 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event); 5278 break; 5279 case EVENT_DFS_CAC_ABORTED: 5280 if (data) 5281 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event); 5282 break; 5283 case EVENT_RX_MGMT: { 5284 u16 fc, stype; 5285 const struct ieee80211_mgmt *mgmt; 5286 5287 #ifdef CONFIG_TESTING_OPTIONS 5288 if (wpa_s->ext_mgmt_frame_handling) { 5289 struct rx_mgmt *rx = &data->rx_mgmt; 5290 size_t hex_len = 2 * rx->frame_len + 1; 5291 char *hex = os_malloc(hex_len); 5292 if (hex) { 5293 wpa_snprintf_hex(hex, hex_len, 5294 rx->frame, rx->frame_len); 5295 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s", 5296 rx->freq, rx->datarate, rx->ssi_signal, 5297 hex); 5298 os_free(hex); 5299 } 5300 break; 5301 } 5302 #endif /* CONFIG_TESTING_OPTIONS */ 5303 5304 mgmt = (const struct ieee80211_mgmt *) 5305 data->rx_mgmt.frame; 5306 fc = le_to_host16(mgmt->frame_control); 5307 stype = WLAN_FC_GET_STYPE(fc); 5308 5309 #ifdef CONFIG_AP 5310 if (wpa_s->ap_iface == NULL) { 5311 #endif /* CONFIG_AP */ 5312 #ifdef CONFIG_P2P 5313 if (stype == WLAN_FC_STYPE_PROBE_REQ && 5314 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 5315 const u8 *src = mgmt->sa; 5316 const u8 *ie; 5317 size_t ie_len; 5318 5319 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 5320 ie_len = data->rx_mgmt.frame_len - 5321 IEEE80211_HDRLEN; 5322 wpas_p2p_probe_req_rx( 5323 wpa_s, src, mgmt->da, 5324 mgmt->bssid, ie, ie_len, 5325 data->rx_mgmt.freq, 5326 data->rx_mgmt.ssi_signal); 5327 break; 5328 } 5329 #endif /* CONFIG_P2P */ 5330 #ifdef CONFIG_IBSS_RSN 5331 if (wpa_s->current_ssid && 5332 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 5333 stype == WLAN_FC_STYPE_AUTH && 5334 data->rx_mgmt.frame_len >= 30) { 5335 wpa_supplicant_event_ibss_auth(wpa_s, data); 5336 break; 5337 } 5338 #endif /* CONFIG_IBSS_RSN */ 5339 5340 if (stype == WLAN_FC_STYPE_ACTION) { 5341 wpas_event_rx_mgmt_action( 5342 wpa_s, data->rx_mgmt.frame, 5343 data->rx_mgmt.frame_len, 5344 data->rx_mgmt.freq, 5345 data->rx_mgmt.ssi_signal); 5346 break; 5347 } 5348 5349 if (wpa_s->ifmsh) { 5350 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt); 5351 break; 5352 } 5353 #ifdef CONFIG_PASN 5354 if (stype == WLAN_FC_STYPE_AUTH && 5355 wpas_pasn_auth_rx(wpa_s, mgmt, 5356 data->rx_mgmt.frame_len) != -2) 5357 break; 5358 #endif /* CONFIG_PASN */ 5359 5360 #ifdef CONFIG_SAE 5361 if (stype == WLAN_FC_STYPE_AUTH && 5362 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 5363 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { 5364 sme_external_auth_mgmt_rx( 5365 wpa_s, data->rx_mgmt.frame, 5366 data->rx_mgmt.frame_len); 5367 break; 5368 } 5369 #endif /* CONFIG_SAE */ 5370 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " 5371 "management frame in non-AP mode"); 5372 break; 5373 #ifdef CONFIG_AP 5374 } 5375 5376 if (stype == WLAN_FC_STYPE_PROBE_REQ && 5377 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 5378 const u8 *ie; 5379 size_t ie_len; 5380 5381 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 5382 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN; 5383 5384 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, 5385 mgmt->bssid, ie, ie_len, 5386 data->rx_mgmt.ssi_signal); 5387 } 5388 5389 ap_mgmt_rx(wpa_s, &data->rx_mgmt); 5390 #endif /* CONFIG_AP */ 5391 break; 5392 } 5393 case EVENT_RX_PROBE_REQ: 5394 if (data->rx_probe_req.sa == NULL || 5395 data->rx_probe_req.ie == NULL) 5396 break; 5397 #ifdef CONFIG_AP 5398 if (wpa_s->ap_iface) { 5399 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], 5400 data->rx_probe_req.sa, 5401 data->rx_probe_req.da, 5402 data->rx_probe_req.bssid, 5403 data->rx_probe_req.ie, 5404 data->rx_probe_req.ie_len, 5405 data->rx_probe_req.ssi_signal); 5406 break; 5407 } 5408 #endif /* CONFIG_AP */ 5409 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, 5410 data->rx_probe_req.da, 5411 data->rx_probe_req.bssid, 5412 data->rx_probe_req.ie, 5413 data->rx_probe_req.ie_len, 5414 0, 5415 data->rx_probe_req.ssi_signal); 5416 break; 5417 case EVENT_REMAIN_ON_CHANNEL: 5418 #ifdef CONFIG_OFFCHANNEL 5419 offchannel_remain_on_channel_cb( 5420 wpa_s, data->remain_on_channel.freq, 5421 data->remain_on_channel.duration); 5422 #endif /* CONFIG_OFFCHANNEL */ 5423 wpas_p2p_remain_on_channel_cb( 5424 wpa_s, data->remain_on_channel.freq, 5425 data->remain_on_channel.duration); 5426 #ifdef CONFIG_DPP 5427 wpas_dpp_remain_on_channel_cb( 5428 wpa_s, data->remain_on_channel.freq, 5429 data->remain_on_channel.duration); 5430 #endif /* CONFIG_DPP */ 5431 break; 5432 case EVENT_CANCEL_REMAIN_ON_CHANNEL: 5433 #ifdef CONFIG_OFFCHANNEL 5434 offchannel_cancel_remain_on_channel_cb( 5435 wpa_s, data->remain_on_channel.freq); 5436 #endif /* CONFIG_OFFCHANNEL */ 5437 wpas_p2p_cancel_remain_on_channel_cb( 5438 wpa_s, data->remain_on_channel.freq); 5439 #ifdef CONFIG_DPP 5440 wpas_dpp_cancel_remain_on_channel_cb( 5441 wpa_s, data->remain_on_channel.freq); 5442 #endif /* CONFIG_DPP */ 5443 break; 5444 case EVENT_EAPOL_RX: 5445 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, 5446 data->eapol_rx.data, 5447 data->eapol_rx.data_len); 5448 break; 5449 case EVENT_SIGNAL_CHANGE: 5450 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE 5451 "above=%d signal=%d noise=%d txrate=%d", 5452 data->signal_change.above_threshold, 5453 data->signal_change.current_signal, 5454 data->signal_change.current_noise, 5455 data->signal_change.current_txrate); 5456 wpa_bss_update_level(wpa_s->current_bss, 5457 data->signal_change.current_signal); 5458 bgscan_notify_signal_change( 5459 wpa_s, data->signal_change.above_threshold, 5460 data->signal_change.current_signal, 5461 data->signal_change.current_noise, 5462 data->signal_change.current_txrate); 5463 break; 5464 case EVENT_INTERFACE_MAC_CHANGED: 5465 wpa_supplicant_update_mac_addr(wpa_s); 5466 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); 5467 break; 5468 case EVENT_INTERFACE_ENABLED: 5469 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); 5470 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 5471 u8 addr[ETH_ALEN]; 5472 5473 eloop_cancel_timeout(wpas_clear_disabled_interface, 5474 wpa_s, NULL); 5475 os_memcpy(addr, wpa_s->own_addr, ETH_ALEN); 5476 wpa_supplicant_update_mac_addr(wpa_s); 5477 if (os_memcmp(addr, wpa_s->own_addr, ETH_ALEN) != 0) 5478 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); 5479 else 5480 wpa_sm_pmksa_cache_reconfig(wpa_s->wpa); 5481 wpa_supplicant_set_default_scan_ies(wpa_s); 5482 if (wpa_s->p2p_mgmt) { 5483 wpa_supplicant_set_state(wpa_s, 5484 WPA_DISCONNECTED); 5485 break; 5486 } 5487 5488 #ifdef CONFIG_AP 5489 if (!wpa_s->ap_iface) { 5490 wpa_supplicant_set_state(wpa_s, 5491 WPA_DISCONNECTED); 5492 wpa_s->scan_req = NORMAL_SCAN_REQ; 5493 wpa_supplicant_req_scan(wpa_s, 0, 0); 5494 } else 5495 wpa_supplicant_set_state(wpa_s, 5496 WPA_COMPLETED); 5497 #else /* CONFIG_AP */ 5498 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 5499 wpa_supplicant_req_scan(wpa_s, 0, 0); 5500 #endif /* CONFIG_AP */ 5501 } 5502 break; 5503 case EVENT_INTERFACE_DISABLED: 5504 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); 5505 #ifdef CONFIG_P2P 5506 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO || 5507 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group && 5508 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) { 5509 /* 5510 * Mark interface disabled if this happens to end up not 5511 * being removed as a separate P2P group interface. 5512 */ 5513 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 5514 /* 5515 * The interface was externally disabled. Remove 5516 * it assuming an external entity will start a 5517 * new session if needed. 5518 */ 5519 if (wpa_s->current_ssid && 5520 wpa_s->current_ssid->p2p_group) 5521 wpas_p2p_interface_unavailable(wpa_s); 5522 else 5523 wpas_p2p_disconnect(wpa_s); 5524 /* 5525 * wpa_s instance may have been freed, so must not use 5526 * it here anymore. 5527 */ 5528 break; 5529 } 5530 if (wpa_s->p2p_scan_work && wpa_s->global->p2p && 5531 p2p_in_progress(wpa_s->global->p2p) > 1) { 5532 /* This radio work will be cancelled, so clear P2P 5533 * state as well. 5534 */ 5535 p2p_stop_find(wpa_s->global->p2p); 5536 } 5537 #endif /* CONFIG_P2P */ 5538 5539 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { 5540 /* 5541 * Indicate disconnection to keep ctrl_iface events 5542 * consistent. 5543 */ 5544 wpa_supplicant_event_disassoc( 5545 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1); 5546 } 5547 wpa_supplicant_mark_disassoc(wpa_s); 5548 os_reltime_age(&wpa_s->last_scan, &age); 5549 if (age.sec >= wpa_s->conf->scan_res_valid_for_connect) { 5550 clear_at.sec = wpa_s->conf->scan_res_valid_for_connect; 5551 clear_at.usec = 0; 5552 } else { 5553 struct os_reltime tmp; 5554 5555 tmp.sec = wpa_s->conf->scan_res_valid_for_connect; 5556 tmp.usec = 0; 5557 os_reltime_sub(&tmp, &age, &clear_at); 5558 } 5559 eloop_register_timeout(clear_at.sec, clear_at.usec, 5560 wpas_clear_disabled_interface, 5561 wpa_s, NULL); 5562 radio_remove_works(wpa_s, NULL, 0); 5563 5564 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 5565 break; 5566 case EVENT_CHANNEL_LIST_CHANGED: 5567 wpa_supplicant_update_channel_list( 5568 wpa_s, &data->channel_list_changed); 5569 break; 5570 case EVENT_INTERFACE_UNAVAILABLE: 5571 wpas_p2p_interface_unavailable(wpa_s); 5572 break; 5573 case EVENT_BEST_CHANNEL: 5574 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " 5575 "(%d %d %d)", 5576 data->best_chan.freq_24, data->best_chan.freq_5, 5577 data->best_chan.freq_overall); 5578 wpa_s->best_24_freq = data->best_chan.freq_24; 5579 wpa_s->best_5_freq = data->best_chan.freq_5; 5580 wpa_s->best_overall_freq = data->best_chan.freq_overall; 5581 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, 5582 data->best_chan.freq_5, 5583 data->best_chan.freq_overall); 5584 break; 5585 case EVENT_UNPROT_DEAUTH: 5586 wpa_supplicant_event_unprot_deauth(wpa_s, 5587 &data->unprot_deauth); 5588 break; 5589 case EVENT_UNPROT_DISASSOC: 5590 wpa_supplicant_event_unprot_disassoc(wpa_s, 5591 &data->unprot_disassoc); 5592 break; 5593 case EVENT_STATION_LOW_ACK: 5594 #ifdef CONFIG_AP 5595 if (wpa_s->ap_iface && data) 5596 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], 5597 data->low_ack.addr); 5598 #endif /* CONFIG_AP */ 5599 #ifdef CONFIG_TDLS 5600 if (data) 5601 wpa_tdls_disable_unreachable_link(wpa_s->wpa, 5602 data->low_ack.addr); 5603 #endif /* CONFIG_TDLS */ 5604 break; 5605 case EVENT_IBSS_PEER_LOST: 5606 #ifdef CONFIG_IBSS_RSN 5607 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); 5608 #endif /* CONFIG_IBSS_RSN */ 5609 break; 5610 case EVENT_DRIVER_GTK_REKEY: 5611 if (os_memcmp(data->driver_gtk_rekey.bssid, 5612 wpa_s->bssid, ETH_ALEN)) 5613 break; 5614 if (!wpa_s->wpa) 5615 break; 5616 wpa_sm_update_replay_ctr(wpa_s->wpa, 5617 data->driver_gtk_rekey.replay_ctr); 5618 break; 5619 case EVENT_SCHED_SCAN_STOPPED: 5620 wpa_s->sched_scanning = 0; 5621 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s); 5622 wpa_supplicant_notify_scanning(wpa_s, 0); 5623 5624 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 5625 break; 5626 5627 /* 5628 * If the driver stopped scanning without being requested to, 5629 * request a new scan to continue scanning for networks. 5630 */ 5631 if (!wpa_s->sched_scan_stop_req && 5632 wpa_s->wpa_state == WPA_SCANNING) { 5633 wpa_dbg(wpa_s, MSG_DEBUG, 5634 "Restart scanning after unexpected sched_scan stop event"); 5635 wpa_supplicant_req_scan(wpa_s, 1, 0); 5636 break; 5637 } 5638 5639 wpa_s->sched_scan_stop_req = 0; 5640 5641 /* 5642 * Start a new sched scan to continue searching for more SSIDs 5643 * either if timed out or PNO schedule scan is pending. 5644 */ 5645 if (wpa_s->sched_scan_timed_out) { 5646 wpa_supplicant_req_sched_scan(wpa_s); 5647 } else if (wpa_s->pno_sched_pending) { 5648 wpa_s->pno_sched_pending = 0; 5649 wpas_start_pno(wpa_s); 5650 } else if (resched) { 5651 wpa_supplicant_req_scan(wpa_s, 0, 0); 5652 } 5653 5654 break; 5655 case EVENT_WPS_BUTTON_PUSHED: 5656 #ifdef CONFIG_WPS 5657 wpas_wps_start_pbc(wpa_s, NULL, 0, 0); 5658 #endif /* CONFIG_WPS */ 5659 break; 5660 case EVENT_AVOID_FREQUENCIES: 5661 wpa_supplicant_notify_avoid_freq(wpa_s, data); 5662 break; 5663 case EVENT_CONNECT_FAILED_REASON: 5664 #ifdef CONFIG_AP 5665 if (!wpa_s->ap_iface || !data) 5666 break; 5667 hostapd_event_connect_failed_reason( 5668 wpa_s->ap_iface->bss[0], 5669 data->connect_failed_reason.addr, 5670 data->connect_failed_reason.code); 5671 #endif /* CONFIG_AP */ 5672 break; 5673 case EVENT_NEW_PEER_CANDIDATE: 5674 #ifdef CONFIG_MESH 5675 if (!wpa_s->ifmsh || !data) 5676 break; 5677 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer, 5678 data->mesh_peer.ies, 5679 data->mesh_peer.ie_len); 5680 #endif /* CONFIG_MESH */ 5681 break; 5682 case EVENT_SURVEY: 5683 #ifdef CONFIG_AP 5684 if (!wpa_s->ap_iface) 5685 break; 5686 hostapd_event_get_survey(wpa_s->ap_iface, 5687 &data->survey_results); 5688 #endif /* CONFIG_AP */ 5689 break; 5690 case EVENT_ACS_CHANNEL_SELECTED: 5691 #ifdef CONFIG_AP 5692 #ifdef CONFIG_ACS 5693 if (!wpa_s->ap_iface) 5694 break; 5695 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0], 5696 &data->acs_selected_channels); 5697 #endif /* CONFIG_ACS */ 5698 #endif /* CONFIG_AP */ 5699 break; 5700 case EVENT_P2P_LO_STOP: 5701 #ifdef CONFIG_P2P 5702 wpa_s->p2p_lo_started = 0; 5703 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP 5704 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d", 5705 data->p2p_lo_stop.reason_code); 5706 #endif /* CONFIG_P2P */ 5707 break; 5708 case EVENT_BEACON_LOSS: 5709 if (!wpa_s->current_bss || !wpa_s->current_ssid) 5710 break; 5711 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS); 5712 bgscan_notify_beacon_loss(wpa_s); 5713 break; 5714 case EVENT_EXTERNAL_AUTH: 5715 #ifdef CONFIG_SAE 5716 if (!wpa_s->current_ssid) { 5717 wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL"); 5718 break; 5719 } 5720 sme_external_auth_trigger(wpa_s, data); 5721 #endif /* CONFIG_SAE */ 5722 break; 5723 case EVENT_PORT_AUTHORIZED: 5724 wpa_supplicant_event_port_authorized(wpa_s); 5725 break; 5726 case EVENT_STATION_OPMODE_CHANGED: 5727 #ifdef CONFIG_AP 5728 if (!wpa_s->ap_iface || !data) 5729 break; 5730 5731 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0], 5732 data->sta_opmode.addr, 5733 data->sta_opmode.smps_mode, 5734 data->sta_opmode.chan_width, 5735 data->sta_opmode.rx_nss); 5736 #endif /* CONFIG_AP */ 5737 break; 5738 case EVENT_UNPROT_BEACON: 5739 wpas_event_unprot_beacon(wpa_s, &data->unprot_beacon); 5740 break; 5741 default: 5742 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); 5743 break; 5744 } 5745 } 5746 5747 5748 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 5749 union wpa_event_data *data) 5750 { 5751 struct wpa_supplicant *wpa_s; 5752 5753 if (event != EVENT_INTERFACE_STATUS) 5754 return; 5755 5756 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname); 5757 if (wpa_s && wpa_s->driver->get_ifindex) { 5758 unsigned int ifindex; 5759 5760 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv); 5761 if (ifindex != data->interface_status.ifindex) { 5762 wpa_dbg(wpa_s, MSG_DEBUG, 5763 "interface status ifindex %d mismatch (%d)", 5764 ifindex, data->interface_status.ifindex); 5765 return; 5766 } 5767 } 5768 #ifdef CONFIG_MATCH_IFACE 5769 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) { 5770 struct wpa_interface *wpa_i; 5771 5772 wpa_i = wpa_supplicant_match_iface( 5773 ctx, data->interface_status.ifname); 5774 if (!wpa_i) 5775 return; 5776 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL); 5777 os_free(wpa_i); 5778 } 5779 #endif /* CONFIG_MATCH_IFACE */ 5780 5781 if (wpa_s) 5782 wpa_supplicant_event(wpa_s, event, data); 5783 } 5784