1 /* 2 * WPA Supplicant - Driver event processing 3 * Copyright (c) 2003-2017, 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 "crypto/random.h" 33 #include "blacklist.h" 34 #include "wpas_glue.h" 35 #include "wps_supplicant.h" 36 #include "ibss_rsn.h" 37 #include "sme.h" 38 #include "gas_query.h" 39 #include "p2p_supplicant.h" 40 #include "bgscan.h" 41 #include "autoscan.h" 42 #include "ap.h" 43 #include "bss.h" 44 #include "scan.h" 45 #include "offchannel.h" 46 #include "interworking.h" 47 #include "mesh.h" 48 #include "mesh_mpm.h" 49 #include "wmm_ac.h" 50 #include "dpp_supplicant.h" 51 52 53 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5 54 55 56 #ifndef CONFIG_NO_SCAN_PROCESSING 57 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 58 int new_scan, int own_request); 59 #endif /* CONFIG_NO_SCAN_PROCESSING */ 60 61 62 int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) 63 { 64 struct os_reltime now; 65 66 if (ssid == NULL || ssid->disabled_until.sec == 0) 67 return 0; 68 69 os_get_reltime(&now); 70 if (ssid->disabled_until.sec > now.sec) 71 return ssid->disabled_until.sec - now.sec; 72 73 wpas_clear_temp_disabled(wpa_s, ssid, 0); 74 75 return 0; 76 } 77 78 79 #ifndef CONFIG_NO_SCAN_PROCESSING 80 /** 81 * wpas_reenabled_network_time - Time until first network is re-enabled 82 * @wpa_s: Pointer to wpa_supplicant data 83 * Returns: If all enabled networks are temporarily disabled, returns the time 84 * (in sec) until the first network is re-enabled. Otherwise returns 0. 85 * 86 * This function is used in case all enabled networks are temporarily disabled, 87 * in which case it returns the time (in sec) that the first network will be 88 * re-enabled. The function assumes that at least one network is enabled. 89 */ 90 static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s) 91 { 92 struct wpa_ssid *ssid; 93 int disabled_for, res = 0; 94 95 #ifdef CONFIG_INTERWORKING 96 if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking && 97 wpa_s->conf->cred) 98 return 0; 99 #endif /* CONFIG_INTERWORKING */ 100 101 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 102 if (ssid->disabled) 103 continue; 104 105 disabled_for = wpas_temp_disabled(wpa_s, ssid); 106 if (!disabled_for) 107 return 0; 108 109 if (!res || disabled_for < res) 110 res = disabled_for; 111 } 112 113 return res; 114 } 115 #endif /* CONFIG_NO_SCAN_PROCESSING */ 116 117 118 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx) 119 { 120 struct wpa_supplicant *wpa_s = eloop_ctx; 121 122 if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING) 123 return; 124 125 wpa_dbg(wpa_s, MSG_DEBUG, 126 "Try to associate due to network getting re-enabled"); 127 if (wpa_supplicant_fast_associate(wpa_s) != 1) { 128 wpa_supplicant_cancel_sched_scan(wpa_s); 129 wpa_supplicant_req_scan(wpa_s, 0, 0); 130 } 131 } 132 133 134 static struct wpa_bss * wpa_supplicant_get_new_bss( 135 struct wpa_supplicant *wpa_s, const u8 *bssid) 136 { 137 struct wpa_bss *bss = NULL; 138 struct wpa_ssid *ssid = wpa_s->current_ssid; 139 140 if (ssid->ssid_len > 0) 141 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); 142 if (!bss) 143 bss = wpa_bss_get_bssid(wpa_s, bssid); 144 145 return bss; 146 } 147 148 149 static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s) 150 { 151 struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); 152 153 if (!bss) { 154 wpa_supplicant_update_scan_results(wpa_s); 155 156 /* Get the BSS from the new scan results */ 157 bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); 158 } 159 160 if (bss) 161 wpa_s->current_bss = bss; 162 } 163 164 165 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) 166 { 167 struct wpa_ssid *ssid, *old_ssid; 168 u8 drv_ssid[SSID_MAX_LEN]; 169 size_t drv_ssid_len; 170 int res; 171 172 if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) { 173 wpa_supplicant_update_current_bss(wpa_s); 174 175 if (wpa_s->current_ssid->ssid_len == 0) 176 return 0; /* current profile still in use */ 177 res = wpa_drv_get_ssid(wpa_s, drv_ssid); 178 if (res < 0) { 179 wpa_msg(wpa_s, MSG_INFO, 180 "Failed to read SSID from driver"); 181 return 0; /* try to use current profile */ 182 } 183 drv_ssid_len = res; 184 185 if (drv_ssid_len == wpa_s->current_ssid->ssid_len && 186 os_memcmp(drv_ssid, wpa_s->current_ssid->ssid, 187 drv_ssid_len) == 0) 188 return 0; /* current profile still in use */ 189 190 wpa_msg(wpa_s, MSG_DEBUG, 191 "Driver-initiated BSS selection changed the SSID to %s", 192 wpa_ssid_txt(drv_ssid, drv_ssid_len)); 193 /* continue selecting a new network profile */ 194 } 195 196 wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " 197 "information"); 198 ssid = wpa_supplicant_get_ssid(wpa_s); 199 if (ssid == NULL) { 200 wpa_msg(wpa_s, MSG_INFO, 201 "No network configuration found for the current AP"); 202 return -1; 203 } 204 205 if (wpas_network_disabled(wpa_s, ssid)) { 206 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); 207 return -1; 208 } 209 210 if (disallowed_bssid(wpa_s, wpa_s->bssid) || 211 disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { 212 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); 213 return -1; 214 } 215 216 res = wpas_temp_disabled(wpa_s, ssid); 217 if (res > 0) { 218 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " 219 "disabled for %d second(s)", res); 220 return -1; 221 } 222 223 wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " 224 "current AP"); 225 if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { 226 u8 wpa_ie[80]; 227 size_t wpa_ie_len = sizeof(wpa_ie); 228 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, 229 wpa_ie, &wpa_ie_len) < 0) 230 wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); 231 } else { 232 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); 233 } 234 235 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) 236 eapol_sm_invalidate_cached_session(wpa_s->eapol); 237 old_ssid = wpa_s->current_ssid; 238 wpa_s->current_ssid = ssid; 239 240 wpa_supplicant_update_current_bss(wpa_s); 241 242 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); 243 wpa_supplicant_initiate_eapol(wpa_s); 244 if (old_ssid != wpa_s->current_ssid) 245 wpas_notify_network_changed(wpa_s); 246 247 return 0; 248 } 249 250 251 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) 252 { 253 struct wpa_supplicant *wpa_s = eloop_ctx; 254 255 if (wpa_s->countermeasures) { 256 wpa_s->countermeasures = 0; 257 wpa_drv_set_countermeasures(wpa_s, 0); 258 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); 259 260 /* 261 * It is possible that the device is sched scanning, which means 262 * that a connection attempt will be done only when we receive 263 * scan results. However, in this case, it would be preferable 264 * to scan and connect immediately, so cancel the sched_scan and 265 * issue a regular scan flow. 266 */ 267 wpa_supplicant_cancel_sched_scan(wpa_s); 268 wpa_supplicant_req_scan(wpa_s, 0, 0); 269 } 270 } 271 272 273 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) 274 { 275 int bssid_changed; 276 277 wnm_bss_keep_alive_deinit(wpa_s); 278 279 #ifdef CONFIG_IBSS_RSN 280 ibss_rsn_deinit(wpa_s->ibss_rsn); 281 wpa_s->ibss_rsn = NULL; 282 #endif /* CONFIG_IBSS_RSN */ 283 284 #ifdef CONFIG_AP 285 wpa_supplicant_ap_deinit(wpa_s); 286 #endif /* CONFIG_AP */ 287 288 #ifdef CONFIG_HS20 289 /* Clear possibly configured frame filters */ 290 wpa_drv_configure_frame_filters(wpa_s, 0); 291 #endif /* CONFIG_HS20 */ 292 293 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 294 return; 295 296 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 297 bssid_changed = !is_zero_ether_addr(wpa_s->bssid); 298 os_memset(wpa_s->bssid, 0, ETH_ALEN); 299 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 300 sme_clear_on_disassoc(wpa_s); 301 wpa_s->current_bss = NULL; 302 wpa_s->assoc_freq = 0; 303 304 if (bssid_changed) 305 wpas_notify_bssid_changed(wpa_s); 306 307 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); 308 eapol_sm_notify_portValid(wpa_s->eapol, FALSE); 309 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 310 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || 311 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP) 312 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); 313 wpa_s->ap_ies_from_associnfo = 0; 314 wpa_s->current_ssid = NULL; 315 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 316 wpa_s->key_mgmt = 0; 317 318 wpas_rrm_reset(wpa_s); 319 wpa_s->wnmsleep_used = 0; 320 wnm_clear_coloc_intf_reporting(wpa_s); 321 322 #ifdef CONFIG_TESTING_OPTIONS 323 wpa_s->last_tk_alg = WPA_ALG_NONE; 324 os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk)); 325 #endif /* CONFIG_TESTING_OPTIONS */ 326 wpa_s->ieee80211ac = 0; 327 } 328 329 330 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) 331 { 332 struct wpa_ie_data ie; 333 int pmksa_set = -1; 334 size_t i; 335 336 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || 337 ie.pmkid == NULL) 338 return; 339 340 for (i = 0; i < ie.num_pmkid; i++) { 341 pmksa_set = pmksa_cache_set_current(wpa_s->wpa, 342 ie.pmkid + i * PMKID_LEN, 343 NULL, NULL, 0, NULL, 0); 344 if (pmksa_set == 0) { 345 eapol_sm_notify_pmkid_attempt(wpa_s->eapol); 346 break; 347 } 348 } 349 350 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " 351 "PMKSA cache", pmksa_set == 0 ? "" : "not "); 352 } 353 354 355 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, 356 union wpa_event_data *data) 357 { 358 if (data == NULL) { 359 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " 360 "event"); 361 return; 362 } 363 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR 364 " index=%d preauth=%d", 365 MAC2STR(data->pmkid_candidate.bssid), 366 data->pmkid_candidate.index, 367 data->pmkid_candidate.preauth); 368 369 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, 370 data->pmkid_candidate.index, 371 data->pmkid_candidate.preauth); 372 } 373 374 375 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) 376 { 377 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 378 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) 379 return 0; 380 381 #ifdef IEEE8021X_EAPOL 382 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && 383 wpa_s->current_ssid && 384 !(wpa_s->current_ssid->eapol_flags & 385 (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 386 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { 387 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either 388 * plaintext or static WEP keys). */ 389 return 0; 390 } 391 #endif /* IEEE8021X_EAPOL */ 392 393 return 1; 394 } 395 396 397 /** 398 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC 399 * @wpa_s: pointer to wpa_supplicant data 400 * @ssid: Configuration data for the network 401 * Returns: 0 on success, -1 on failure 402 * 403 * This function is called when starting authentication with a network that is 404 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). 405 */ 406 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, 407 struct wpa_ssid *ssid) 408 { 409 #ifdef IEEE8021X_EAPOL 410 #ifdef PCSC_FUNCS 411 int aka = 0, sim = 0; 412 413 if ((ssid != NULL && ssid->eap.pcsc == NULL) || 414 wpa_s->scard != NULL || wpa_s->conf->external_sim) 415 return 0; 416 417 if (ssid == NULL || ssid->eap.eap_methods == NULL) { 418 sim = 1; 419 aka = 1; 420 } else { 421 struct eap_method_type *eap = ssid->eap.eap_methods; 422 while (eap->vendor != EAP_VENDOR_IETF || 423 eap->method != EAP_TYPE_NONE) { 424 if (eap->vendor == EAP_VENDOR_IETF) { 425 if (eap->method == EAP_TYPE_SIM) 426 sim = 1; 427 else if (eap->method == EAP_TYPE_AKA || 428 eap->method == EAP_TYPE_AKA_PRIME) 429 aka = 1; 430 } 431 eap++; 432 } 433 } 434 435 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) 436 sim = 0; 437 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && 438 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == 439 NULL) 440 aka = 0; 441 442 if (!sim && !aka) { 443 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " 444 "use SIM, but neither EAP-SIM nor EAP-AKA are " 445 "enabled"); 446 return 0; 447 } 448 449 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " 450 "(sim=%d aka=%d) - initialize PCSC", sim, aka); 451 452 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); 453 if (wpa_s->scard == NULL) { 454 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " 455 "(pcsc-lite)"); 456 return -1; 457 } 458 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); 459 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); 460 #endif /* PCSC_FUNCS */ 461 #endif /* IEEE8021X_EAPOL */ 462 463 return 0; 464 } 465 466 467 #ifndef CONFIG_NO_SCAN_PROCESSING 468 469 static int has_wep_key(struct wpa_ssid *ssid) 470 { 471 int i; 472 473 for (i = 0; i < NUM_WEP_KEYS; i++) { 474 if (ssid->wep_key_len[i]) 475 return 1; 476 } 477 478 return 0; 479 } 480 481 482 static int wpa_supplicant_match_privacy(struct wpa_bss *bss, 483 struct wpa_ssid *ssid) 484 { 485 int privacy = 0; 486 487 if (ssid->mixed_cell) 488 return 1; 489 490 #ifdef CONFIG_WPS 491 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) 492 return 1; 493 #endif /* CONFIG_WPS */ 494 495 #ifdef CONFIG_OWE 496 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only) 497 return 1; 498 #endif /* CONFIG_OWE */ 499 500 if (has_wep_key(ssid)) 501 privacy = 1; 502 503 #ifdef IEEE8021X_EAPOL 504 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 505 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 506 EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) 507 privacy = 1; 508 #endif /* IEEE8021X_EAPOL */ 509 510 if (wpa_key_mgmt_wpa(ssid->key_mgmt)) 511 privacy = 1; 512 513 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) 514 privacy = 1; 515 516 if (bss->caps & IEEE80211_CAP_PRIVACY) 517 return privacy; 518 return !privacy; 519 } 520 521 522 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, 523 struct wpa_ssid *ssid, 524 struct wpa_bss *bss, int debug_print) 525 { 526 struct wpa_ie_data ie; 527 int proto_match = 0; 528 const u8 *rsn_ie, *wpa_ie; 529 int ret; 530 int wep_ok; 531 532 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); 533 if (ret >= 0) 534 return ret; 535 536 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ 537 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && 538 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 539 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || 540 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); 541 542 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 543 while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) { 544 proto_match++; 545 546 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { 547 if (debug_print) 548 wpa_dbg(wpa_s, MSG_DEBUG, 549 " skip RSN IE - parse failed"); 550 break; 551 } 552 553 if (wep_ok && 554 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 555 { 556 if (debug_print) 557 wpa_dbg(wpa_s, MSG_DEBUG, 558 " selected based on TSN in RSN IE"); 559 return 1; 560 } 561 562 if (!(ie.proto & ssid->proto) && 563 !(ssid->proto & WPA_PROTO_OSEN)) { 564 if (debug_print) 565 wpa_dbg(wpa_s, MSG_DEBUG, 566 " skip RSN IE - proto mismatch"); 567 break; 568 } 569 570 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 571 if (debug_print) 572 wpa_dbg(wpa_s, MSG_DEBUG, 573 " skip RSN IE - PTK cipher mismatch"); 574 break; 575 } 576 577 if (!(ie.group_cipher & ssid->group_cipher)) { 578 if (debug_print) 579 wpa_dbg(wpa_s, MSG_DEBUG, 580 " skip RSN IE - GTK cipher mismatch"); 581 break; 582 } 583 584 if (ssid->group_mgmt_cipher && 585 !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) { 586 if (debug_print) 587 wpa_dbg(wpa_s, MSG_DEBUG, 588 " skip RSN IE - group mgmt cipher mismatch"); 589 break; 590 } 591 592 if (!(ie.key_mgmt & ssid->key_mgmt)) { 593 if (debug_print) 594 wpa_dbg(wpa_s, MSG_DEBUG, 595 " skip RSN IE - key mgmt mismatch"); 596 break; 597 } 598 599 #ifdef CONFIG_IEEE80211W 600 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 601 wpas_get_ssid_pmf(wpa_s, ssid) == 602 MGMT_FRAME_PROTECTION_REQUIRED) { 603 if (debug_print) 604 wpa_dbg(wpa_s, MSG_DEBUG, 605 " skip RSN IE - no mgmt frame protection"); 606 break; 607 } 608 #endif /* CONFIG_IEEE80211W */ 609 if ((ie.capabilities & WPA_CAPABILITY_MFPR) && 610 wpas_get_ssid_pmf(wpa_s, ssid) == 611 NO_MGMT_FRAME_PROTECTION) { 612 if (debug_print) 613 wpa_dbg(wpa_s, MSG_DEBUG, 614 " skip RSN IE - no mgmt frame protection enabled but AP requires it"); 615 break; 616 } 617 #ifdef CONFIG_MBO 618 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 619 wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) && 620 wpas_get_ssid_pmf(wpa_s, ssid) != 621 NO_MGMT_FRAME_PROTECTION) { 622 if (debug_print) 623 wpa_dbg(wpa_s, MSG_DEBUG, 624 " skip RSN IE - no mgmt frame protection enabled on MBO AP"); 625 break; 626 } 627 #endif /* CONFIG_MBO */ 628 629 if (debug_print) 630 wpa_dbg(wpa_s, MSG_DEBUG, 631 " selected based on RSN IE"); 632 return 1; 633 } 634 635 #ifdef CONFIG_IEEE80211W 636 if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED && 637 (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) { 638 if (debug_print) 639 wpa_dbg(wpa_s, MSG_DEBUG, 640 " skip - MFP Required but network not MFP Capable"); 641 return 0; 642 } 643 #endif /* CONFIG_IEEE80211W */ 644 645 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 646 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { 647 proto_match++; 648 649 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { 650 if (debug_print) 651 wpa_dbg(wpa_s, MSG_DEBUG, 652 " skip WPA IE - parse failed"); 653 break; 654 } 655 656 if (wep_ok && 657 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 658 { 659 if (debug_print) 660 wpa_dbg(wpa_s, MSG_DEBUG, 661 " selected based on TSN in WPA IE"); 662 return 1; 663 } 664 665 if (!(ie.proto & ssid->proto)) { 666 if (debug_print) 667 wpa_dbg(wpa_s, MSG_DEBUG, 668 " skip WPA IE - proto mismatch"); 669 break; 670 } 671 672 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 673 if (debug_print) 674 wpa_dbg(wpa_s, MSG_DEBUG, 675 " skip WPA IE - PTK cipher mismatch"); 676 break; 677 } 678 679 if (!(ie.group_cipher & ssid->group_cipher)) { 680 if (debug_print) 681 wpa_dbg(wpa_s, MSG_DEBUG, 682 " skip WPA IE - GTK cipher mismatch"); 683 break; 684 } 685 686 if (!(ie.key_mgmt & ssid->key_mgmt)) { 687 if (debug_print) 688 wpa_dbg(wpa_s, MSG_DEBUG, 689 " skip WPA IE - key mgmt mismatch"); 690 break; 691 } 692 693 if (debug_print) 694 wpa_dbg(wpa_s, MSG_DEBUG, 695 " selected based on WPA IE"); 696 return 1; 697 } 698 699 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && 700 !rsn_ie) { 701 if (debug_print) 702 wpa_dbg(wpa_s, MSG_DEBUG, 703 " allow for non-WPA IEEE 802.1X"); 704 return 1; 705 } 706 707 #ifdef CONFIG_OWE 708 if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only && 709 !wpa_ie && !rsn_ie) { 710 if (wpa_s->owe_transition_select && 711 wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) && 712 ssid->owe_transition_bss_select_count + 1 <= 713 MAX_OWE_TRANSITION_BSS_SELECT_COUNT) { 714 ssid->owe_transition_bss_select_count++; 715 if (debug_print) 716 wpa_dbg(wpa_s, MSG_DEBUG, 717 " skip OWE transition BSS (selection count %d does not exceed %d)", 718 ssid->owe_transition_bss_select_count, 719 MAX_OWE_TRANSITION_BSS_SELECT_COUNT); 720 wpa_s->owe_transition_search = 1; 721 return 0; 722 } 723 if (debug_print) 724 wpa_dbg(wpa_s, MSG_DEBUG, 725 " allow in OWE transition mode"); 726 return 1; 727 } 728 #endif /* CONFIG_OWE */ 729 730 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && 731 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { 732 if (debug_print) 733 wpa_dbg(wpa_s, MSG_DEBUG, 734 " skip - no WPA/RSN proto match"); 735 return 0; 736 } 737 738 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && 739 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) { 740 if (debug_print) 741 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN"); 742 return 1; 743 } 744 745 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { 746 if (debug_print) 747 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); 748 return 1; 749 } 750 751 if (debug_print) 752 wpa_dbg(wpa_s, MSG_DEBUG, 753 " reject due to mismatch with WPA/WPA2"); 754 755 return 0; 756 } 757 758 759 static int freq_allowed(int *freqs, int freq) 760 { 761 int i; 762 763 if (freqs == NULL) 764 return 1; 765 766 for (i = 0; freqs[i]; i++) 767 if (freqs[i] == freq) 768 return 1; 769 return 0; 770 } 771 772 773 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 774 int debug_print) 775 { 776 const struct hostapd_hw_modes *mode = NULL, *modes; 777 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; 778 const u8 *rate_ie; 779 int i, j, k; 780 781 if (bss->freq == 0) 782 return 1; /* Cannot do matching without knowing band */ 783 784 modes = wpa_s->hw.modes; 785 if (modes == NULL) { 786 /* 787 * The driver does not provide any additional information 788 * about the utilized hardware, so allow the connection attempt 789 * to continue. 790 */ 791 return 1; 792 } 793 794 for (i = 0; i < wpa_s->hw.num_modes; i++) { 795 for (j = 0; j < modes[i].num_channels; j++) { 796 int freq = modes[i].channels[j].freq; 797 if (freq == bss->freq) { 798 if (mode && 799 mode->mode == HOSTAPD_MODE_IEEE80211G) 800 break; /* do not allow 802.11b replace 801 * 802.11g */ 802 mode = &modes[i]; 803 break; 804 } 805 } 806 } 807 808 if (mode == NULL) 809 return 0; 810 811 for (i = 0; i < (int) sizeof(scan_ie); i++) { 812 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); 813 if (rate_ie == NULL) 814 continue; 815 816 for (j = 2; j < rate_ie[1] + 2; j++) { 817 int flagged = !!(rate_ie[j] & 0x80); 818 int r = (rate_ie[j] & 0x7f) * 5; 819 820 /* 821 * IEEE Std 802.11n-2009 7.3.2.2: 822 * The new BSS Membership selector value is encoded 823 * like a legacy basic rate, but it is not a rate and 824 * only indicates if the BSS members are required to 825 * support the mandatory features of Clause 20 [HT PHY] 826 * in order to join the BSS. 827 */ 828 if (flagged && ((rate_ie[j] & 0x7f) == 829 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { 830 if (!ht_supported(mode)) { 831 if (debug_print) 832 wpa_dbg(wpa_s, MSG_DEBUG, 833 " hardware does not support HT PHY"); 834 return 0; 835 } 836 continue; 837 } 838 839 /* There's also a VHT selector for 802.11ac */ 840 if (flagged && ((rate_ie[j] & 0x7f) == 841 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) { 842 if (!vht_supported(mode)) { 843 if (debug_print) 844 wpa_dbg(wpa_s, MSG_DEBUG, 845 " hardware does not support VHT PHY"); 846 return 0; 847 } 848 continue; 849 } 850 851 if (!flagged) 852 continue; 853 854 /* check for legacy basic rates */ 855 for (k = 0; k < mode->num_rates; k++) { 856 if (mode->rates[k] == r) 857 break; 858 } 859 if (k == mode->num_rates) { 860 /* 861 * IEEE Std 802.11-2007 7.3.2.2 demands that in 862 * order to join a BSS all required rates 863 * have to be supported by the hardware. 864 */ 865 if (debug_print) 866 wpa_dbg(wpa_s, MSG_DEBUG, 867 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)", 868 r / 10, r % 10, 869 bss->freq, mode->mode, mode->num_rates); 870 return 0; 871 } 872 } 873 } 874 875 return 1; 876 } 877 878 879 /* 880 * Test whether BSS is in an ESS. 881 * This is done differently in DMG (60 GHz) and non-DMG bands 882 */ 883 static int bss_is_ess(struct wpa_bss *bss) 884 { 885 if (bss_is_dmg(bss)) { 886 return (bss->caps & IEEE80211_CAP_DMG_MASK) == 887 IEEE80211_CAP_DMG_AP; 888 } 889 890 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == 891 IEEE80211_CAP_ESS); 892 } 893 894 895 static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask) 896 { 897 size_t i; 898 899 for (i = 0; i < ETH_ALEN; i++) { 900 if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i])) 901 return 0; 902 } 903 return 1; 904 } 905 906 907 static int addr_in_list(const u8 *addr, const u8 *list, size_t num) 908 { 909 size_t i; 910 911 for (i = 0; i < num; i++) { 912 const u8 *a = list + i * ETH_ALEN * 2; 913 const u8 *m = a + ETH_ALEN; 914 915 if (match_mac_mask(a, addr, m)) 916 return 1; 917 } 918 return 0; 919 } 920 921 922 static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 923 const u8 **ret_ssid, size_t *ret_ssid_len) 924 { 925 #ifdef CONFIG_OWE 926 const u8 *owe, *pos, *end, *bssid; 927 u8 ssid_len; 928 struct wpa_bss *open_bss; 929 930 owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE); 931 if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN)) 932 return; 933 934 pos = owe + 6; 935 end = owe + 2 + owe[1]; 936 937 if (end - pos < ETH_ALEN + 1) 938 return; 939 bssid = pos; 940 pos += ETH_ALEN; 941 ssid_len = *pos++; 942 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) 943 return; 944 945 /* Match the profile SSID against the OWE transition mode SSID on the 946 * open network. */ 947 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR 948 " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len)); 949 *ret_ssid = pos; 950 *ret_ssid_len = ssid_len; 951 952 if (bss->ssid_len > 0) 953 return; 954 955 open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid); 956 if (!open_bss) 957 return; 958 if (ssid_len != open_bss->ssid_len || 959 os_memcmp(pos, open_bss->ssid, ssid_len) != 0) { 960 wpa_dbg(wpa_s, MSG_DEBUG, 961 "OWE: transition mode SSID mismatch: %s", 962 wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len)); 963 return; 964 } 965 966 owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE); 967 if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) { 968 wpa_dbg(wpa_s, MSG_DEBUG, 969 "OWE: transition mode open BSS unexpected info"); 970 return; 971 } 972 973 pos = owe + 6; 974 end = owe + 2 + owe[1]; 975 976 if (end - pos < ETH_ALEN + 1) 977 return; 978 if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) { 979 wpa_dbg(wpa_s, MSG_DEBUG, 980 "OWE: transition mode BSSID mismatch: " MACSTR, 981 MAC2STR(pos)); 982 return; 983 } 984 pos += ETH_ALEN; 985 ssid_len = *pos++; 986 if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) 987 return; 988 wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s", 989 wpa_ssid_txt(pos, ssid_len)); 990 os_memcpy(bss->ssid, pos, ssid_len); 991 bss->ssid_len = ssid_len; 992 #endif /* CONFIG_OWE */ 993 } 994 995 996 struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, 997 int i, struct wpa_bss *bss, 998 struct wpa_ssid *group, 999 int only_first_ssid, int debug_print) 1000 { 1001 u8 wpa_ie_len, rsn_ie_len; 1002 int wpa; 1003 struct wpa_blacklist *e; 1004 const u8 *ie; 1005 struct wpa_ssid *ssid; 1006 int osen, rsn_osen = 0; 1007 #ifdef CONFIG_MBO 1008 const u8 *assoc_disallow; 1009 #endif /* CONFIG_MBO */ 1010 const u8 *match_ssid; 1011 size_t match_ssid_len; 1012 struct wpa_ie_data data; 1013 1014 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1015 wpa_ie_len = ie ? ie[1] : 0; 1016 1017 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1018 rsn_ie_len = ie ? ie[1] : 0; 1019 if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 && 1020 (data.key_mgmt & WPA_KEY_MGMT_OSEN)) 1021 rsn_osen = 1; 1022 1023 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); 1024 osen = ie != NULL; 1025 1026 if (debug_print) { 1027 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR 1028 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s", 1029 i, MAC2STR(bss->bssid), 1030 wpa_ssid_txt(bss->ssid, bss->ssid_len), 1031 wpa_ie_len, rsn_ie_len, bss->caps, bss->level, 1032 bss->freq, 1033 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? 1034 " wps" : "", 1035 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) || 1036 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) 1037 ? " p2p" : "", 1038 osen ? " osen=1" : ""); 1039 } 1040 1041 e = wpa_blacklist_get(wpa_s, bss->bssid); 1042 if (e) { 1043 int limit = 1; 1044 if (wpa_supplicant_enabled_networks(wpa_s) == 1) { 1045 /* 1046 * When only a single network is enabled, we can 1047 * trigger blacklisting on the first failure. This 1048 * should not be done with multiple enabled networks to 1049 * avoid getting forced to move into a worse ESS on 1050 * single error if there are no other BSSes of the 1051 * current ESS. 1052 */ 1053 limit = 0; 1054 } 1055 if (e->count > limit) { 1056 if (debug_print) { 1057 wpa_dbg(wpa_s, MSG_DEBUG, 1058 " skip - blacklisted (count=%d limit=%d)", 1059 e->count, limit); 1060 } 1061 return NULL; 1062 } 1063 } 1064 1065 match_ssid = bss->ssid; 1066 match_ssid_len = bss->ssid_len; 1067 owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len); 1068 1069 if (match_ssid_len == 0) { 1070 if (debug_print) 1071 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); 1072 return NULL; 1073 } 1074 1075 if (disallowed_bssid(wpa_s, bss->bssid)) { 1076 if (debug_print) 1077 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); 1078 return NULL; 1079 } 1080 1081 if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) { 1082 if (debug_print) 1083 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); 1084 return NULL; 1085 } 1086 1087 wpa = wpa_ie_len > 0 || rsn_ie_len > 0; 1088 1089 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) { 1090 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0); 1091 int res; 1092 1093 if (wpas_network_disabled(wpa_s, ssid)) { 1094 if (debug_print) 1095 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); 1096 continue; 1097 } 1098 1099 res = wpas_temp_disabled(wpa_s, ssid); 1100 if (res > 0) { 1101 if (debug_print) 1102 wpa_dbg(wpa_s, MSG_DEBUG, 1103 " skip - disabled temporarily for %d second(s)", 1104 res); 1105 continue; 1106 } 1107 1108 #ifdef CONFIG_WPS 1109 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) { 1110 if (debug_print) 1111 wpa_dbg(wpa_s, MSG_DEBUG, 1112 " skip - blacklisted (WPS)"); 1113 continue; 1114 } 1115 1116 if (wpa && ssid->ssid_len == 0 && 1117 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 1118 check_ssid = 0; 1119 1120 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 1121 /* Only allow wildcard SSID match if an AP 1122 * advertises active WPS operation that matches 1123 * with our mode. */ 1124 check_ssid = 1; 1125 if (ssid->ssid_len == 0 && 1126 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 1127 check_ssid = 0; 1128 } 1129 #endif /* CONFIG_WPS */ 1130 1131 if (ssid->bssid_set && ssid->ssid_len == 0 && 1132 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) 1133 check_ssid = 0; 1134 1135 if (check_ssid && 1136 (match_ssid_len != ssid->ssid_len || 1137 os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) { 1138 if (debug_print) 1139 wpa_dbg(wpa_s, MSG_DEBUG, 1140 " skip - SSID mismatch"); 1141 continue; 1142 } 1143 1144 if (ssid->bssid_set && 1145 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { 1146 if (debug_print) 1147 wpa_dbg(wpa_s, MSG_DEBUG, 1148 " skip - BSSID mismatch"); 1149 continue; 1150 } 1151 1152 /* check blacklist */ 1153 if (ssid->num_bssid_blacklist && 1154 addr_in_list(bss->bssid, ssid->bssid_blacklist, 1155 ssid->num_bssid_blacklist)) { 1156 if (debug_print) 1157 wpa_dbg(wpa_s, MSG_DEBUG, 1158 " skip - BSSID blacklisted"); 1159 continue; 1160 } 1161 1162 /* if there is a whitelist, only accept those APs */ 1163 if (ssid->num_bssid_whitelist && 1164 !addr_in_list(bss->bssid, ssid->bssid_whitelist, 1165 ssid->num_bssid_whitelist)) { 1166 if (debug_print) 1167 wpa_dbg(wpa_s, MSG_DEBUG, 1168 " skip - BSSID not in whitelist"); 1169 continue; 1170 } 1171 1172 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, 1173 debug_print)) 1174 continue; 1175 1176 if (!osen && !wpa && 1177 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 1178 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && 1179 !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) && 1180 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { 1181 if (debug_print) 1182 wpa_dbg(wpa_s, MSG_DEBUG, 1183 " skip - non-WPA network not allowed"); 1184 continue; 1185 } 1186 1187 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && 1188 has_wep_key(ssid)) { 1189 if (debug_print) 1190 wpa_dbg(wpa_s, MSG_DEBUG, 1191 " skip - ignore WPA/WPA2 AP for WEP network block"); 1192 continue; 1193 } 1194 1195 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen && 1196 !rsn_osen) { 1197 if (debug_print) 1198 wpa_dbg(wpa_s, MSG_DEBUG, 1199 " skip - non-OSEN network not allowed"); 1200 continue; 1201 } 1202 1203 if (!wpa_supplicant_match_privacy(bss, ssid)) { 1204 if (debug_print) 1205 wpa_dbg(wpa_s, MSG_DEBUG, 1206 " skip - privacy mismatch"); 1207 continue; 1208 } 1209 1210 if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) && 1211 !bss_is_pbss(bss)) { 1212 if (debug_print) 1213 wpa_dbg(wpa_s, MSG_DEBUG, 1214 " skip - not ESS, PBSS, or MBSS"); 1215 continue; 1216 } 1217 1218 if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) { 1219 if (debug_print) 1220 wpa_dbg(wpa_s, MSG_DEBUG, 1221 " skip - PBSS mismatch (ssid %d bss %d)", 1222 ssid->pbss, bss_is_pbss(bss)); 1223 continue; 1224 } 1225 1226 if (!freq_allowed(ssid->freq_list, bss->freq)) { 1227 if (debug_print) 1228 wpa_dbg(wpa_s, MSG_DEBUG, 1229 " skip - frequency not allowed"); 1230 continue; 1231 } 1232 1233 #ifdef CONFIG_MESH 1234 if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 && 1235 ssid->frequency != bss->freq) { 1236 if (debug_print) 1237 wpa_dbg(wpa_s, MSG_DEBUG, 1238 " skip - frequency not allowed (mesh)"); 1239 continue; 1240 } 1241 #endif /* CONFIG_MESH */ 1242 1243 if (!rate_match(wpa_s, bss, debug_print)) { 1244 if (debug_print) 1245 wpa_dbg(wpa_s, MSG_DEBUG, 1246 " skip - rate sets do not match"); 1247 continue; 1248 } 1249 1250 #ifndef CONFIG_IBSS_RSN 1251 if (ssid->mode == WPAS_MODE_IBSS && 1252 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | 1253 WPA_KEY_MGMT_WPA_NONE))) { 1254 if (debug_print) 1255 wpa_dbg(wpa_s, MSG_DEBUG, 1256 " skip - IBSS RSN not supported in the build"); 1257 continue; 1258 } 1259 #endif /* !CONFIG_IBSS_RSN */ 1260 1261 #ifdef CONFIG_P2P 1262 if (ssid->p2p_group && 1263 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && 1264 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { 1265 if (debug_print) 1266 wpa_dbg(wpa_s, MSG_DEBUG, 1267 " skip - no P2P IE seen"); 1268 continue; 1269 } 1270 1271 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) { 1272 struct wpabuf *p2p_ie; 1273 u8 dev_addr[ETH_ALEN]; 1274 1275 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE); 1276 if (ie == NULL) { 1277 if (debug_print) 1278 wpa_dbg(wpa_s, MSG_DEBUG, 1279 " skip - no P2P element"); 1280 continue; 1281 } 1282 p2p_ie = wpa_bss_get_vendor_ie_multi( 1283 bss, P2P_IE_VENDOR_TYPE); 1284 if (p2p_ie == NULL) { 1285 if (debug_print) 1286 wpa_dbg(wpa_s, MSG_DEBUG, 1287 " skip - could not fetch P2P element"); 1288 continue; 1289 } 1290 1291 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 1292 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr, 1293 ETH_ALEN) != 0) { 1294 if (debug_print) 1295 wpa_dbg(wpa_s, MSG_DEBUG, 1296 " skip - no matching GO P2P Device Address in P2P element"); 1297 wpabuf_free(p2p_ie); 1298 continue; 1299 } 1300 wpabuf_free(p2p_ie); 1301 } 1302 1303 /* 1304 * TODO: skip the AP if its P2P IE has Group Formation 1305 * bit set in the P2P Group Capability Bitmap and we 1306 * are not in Group Formation with that device. 1307 */ 1308 #endif /* CONFIG_P2P */ 1309 1310 if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) 1311 { 1312 struct os_reltime diff; 1313 1314 os_reltime_sub(&wpa_s->scan_min_time, 1315 &bss->last_update, &diff); 1316 if (debug_print) 1317 wpa_dbg(wpa_s, MSG_DEBUG, 1318 " skip - scan result not recent enough (%u.%06u seconds too old)", 1319 (unsigned int) diff.sec, 1320 (unsigned int) diff.usec); 1321 continue; 1322 } 1323 #ifdef CONFIG_MBO 1324 #ifdef CONFIG_TESTING_OPTIONS 1325 if (wpa_s->ignore_assoc_disallow) 1326 goto skip_assoc_disallow; 1327 #endif /* CONFIG_TESTING_OPTIONS */ 1328 assoc_disallow = wpas_mbo_get_bss_attr( 1329 bss, MBO_ATTR_ID_ASSOC_DISALLOW); 1330 if (assoc_disallow && assoc_disallow[1] >= 1) { 1331 if (debug_print) 1332 wpa_dbg(wpa_s, MSG_DEBUG, 1333 " skip - MBO association disallowed (reason %u)", 1334 assoc_disallow[2]); 1335 continue; 1336 } 1337 1338 if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) { 1339 if (debug_print) 1340 wpa_dbg(wpa_s, MSG_DEBUG, 1341 " skip - MBO retry delay has not passed yet"); 1342 continue; 1343 } 1344 #ifdef CONFIG_TESTING_OPTIONS 1345 skip_assoc_disallow: 1346 #endif /* CONFIG_TESTING_OPTIONS */ 1347 #endif /* CONFIG_MBO */ 1348 1349 #ifdef CONFIG_DPP 1350 if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) && 1351 !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) && 1352 (!ssid->dpp_connector || 1353 !ssid->dpp_netaccesskey || 1354 !ssid->dpp_csign)) { 1355 if (debug_print) 1356 wpa_dbg(wpa_s, MSG_DEBUG, 1357 " skip - no PMKSA entry for DPP"); 1358 continue; 1359 } 1360 #endif /* CONFIG_DPP */ 1361 1362 /* Matching configuration found */ 1363 return ssid; 1364 } 1365 1366 /* No matching configuration found */ 1367 return NULL; 1368 } 1369 1370 1371 static struct wpa_bss * 1372 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, 1373 struct wpa_ssid *group, 1374 struct wpa_ssid **selected_ssid, 1375 int only_first_ssid) 1376 { 1377 unsigned int i; 1378 1379 if (wpa_s->current_ssid) { 1380 struct wpa_ssid *ssid; 1381 1382 wpa_dbg(wpa_s, MSG_DEBUG, 1383 "Scan results matching the currently selected network"); 1384 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1385 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1386 1387 ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1388 only_first_ssid, 0); 1389 if (ssid != wpa_s->current_ssid) 1390 continue; 1391 wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR 1392 " freq=%d level=%d snr=%d est_throughput=%u", 1393 i, MAC2STR(bss->bssid), bss->freq, bss->level, 1394 bss->snr, bss->est_throughput); 1395 } 1396 } 1397 1398 if (only_first_ssid) 1399 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d", 1400 group->id); 1401 else 1402 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", 1403 group->priority); 1404 1405 for (i = 0; i < wpa_s->last_scan_res_used; i++) { 1406 struct wpa_bss *bss = wpa_s->last_scan_res[i]; 1407 1408 wpa_s->owe_transition_select = 1; 1409 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group, 1410 only_first_ssid, 1); 1411 wpa_s->owe_transition_select = 0; 1412 if (!*selected_ssid) 1413 continue; 1414 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR 1415 " ssid='%s'", 1416 MAC2STR(bss->bssid), 1417 wpa_ssid_txt(bss->ssid, bss->ssid_len)); 1418 return bss; 1419 } 1420 1421 return NULL; 1422 } 1423 1424 1425 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, 1426 struct wpa_ssid **selected_ssid) 1427 { 1428 struct wpa_bss *selected = NULL; 1429 int prio; 1430 struct wpa_ssid *next_ssid = NULL; 1431 struct wpa_ssid *ssid; 1432 1433 if (wpa_s->last_scan_res == NULL || 1434 wpa_s->last_scan_res_used == 0) 1435 return NULL; /* no scan results from last update */ 1436 1437 if (wpa_s->next_ssid) { 1438 /* check that next_ssid is still valid */ 1439 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1440 if (ssid == wpa_s->next_ssid) 1441 break; 1442 } 1443 next_ssid = ssid; 1444 wpa_s->next_ssid = NULL; 1445 } 1446 1447 while (selected == NULL) { 1448 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 1449 if (next_ssid && next_ssid->priority == 1450 wpa_s->conf->pssid[prio]->priority) { 1451 selected = wpa_supplicant_select_bss( 1452 wpa_s, next_ssid, selected_ssid, 1); 1453 if (selected) 1454 break; 1455 } 1456 selected = wpa_supplicant_select_bss( 1457 wpa_s, wpa_s->conf->pssid[prio], 1458 selected_ssid, 0); 1459 if (selected) 1460 break; 1461 } 1462 1463 if (selected == NULL && wpa_s->blacklist && 1464 !wpa_s->countermeasures) { 1465 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear " 1466 "blacklist and try again"); 1467 wpa_blacklist_clear(wpa_s); 1468 wpa_s->blacklist_cleared++; 1469 } else if (selected == NULL) 1470 break; 1471 } 1472 1473 ssid = *selected_ssid; 1474 if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set && 1475 !ssid->passphrase && !ssid->ext_psk) { 1476 const char *field_name, *txt = NULL; 1477 1478 wpa_dbg(wpa_s, MSG_DEBUG, 1479 "PSK/passphrase not yet available for the selected network"); 1480 1481 wpas_notify_network_request(wpa_s, ssid, 1482 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL); 1483 1484 field_name = wpa_supplicant_ctrl_req_to_string( 1485 WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt); 1486 if (field_name == NULL) 1487 return NULL; 1488 1489 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt); 1490 1491 selected = NULL; 1492 } 1493 1494 return selected; 1495 } 1496 1497 1498 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, 1499 int timeout_sec, int timeout_usec) 1500 { 1501 if (!wpa_supplicant_enabled_networks(wpa_s)) { 1502 /* 1503 * No networks are enabled; short-circuit request so 1504 * we don't wait timeout seconds before transitioning 1505 * to INACTIVE state. 1506 */ 1507 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " 1508 "since there are no enabled networks"); 1509 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); 1510 return; 1511 } 1512 1513 wpa_s->scan_for_connection = 1; 1514 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); 1515 } 1516 1517 1518 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, 1519 struct wpa_bss *selected, 1520 struct wpa_ssid *ssid) 1521 { 1522 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { 1523 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP 1524 "PBC session overlap"); 1525 wpas_notify_wps_event_pbc_overlap(wpa_s); 1526 #ifdef CONFIG_P2P 1527 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || 1528 wpa_s->p2p_in_provisioning) { 1529 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, 1530 wpa_s, NULL); 1531 return -1; 1532 } 1533 #endif /* CONFIG_P2P */ 1534 1535 #ifdef CONFIG_WPS 1536 wpas_wps_pbc_overlap(wpa_s); 1537 wpas_wps_cancel(wpa_s); 1538 #endif /* CONFIG_WPS */ 1539 return -1; 1540 } 1541 1542 wpa_msg(wpa_s, MSG_DEBUG, 1543 "Considering connect request: reassociate: %d selected: " 1544 MACSTR " bssid: " MACSTR " pending: " MACSTR 1545 " wpa_state: %s ssid=%p current_ssid=%p", 1546 wpa_s->reassociate, MAC2STR(selected->bssid), 1547 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), 1548 wpa_supplicant_state_txt(wpa_s->wpa_state), 1549 ssid, wpa_s->current_ssid); 1550 1551 /* 1552 * Do not trigger new association unless the BSSID has changed or if 1553 * reassociation is requested. If we are in process of associating with 1554 * the selected BSSID, do not trigger new attempt. 1555 */ 1556 if (wpa_s->reassociate || 1557 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && 1558 ((wpa_s->wpa_state != WPA_ASSOCIATING && 1559 wpa_s->wpa_state != WPA_AUTHENTICATING) || 1560 (!is_zero_ether_addr(wpa_s->pending_bssid) && 1561 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != 1562 0) || 1563 (is_zero_ether_addr(wpa_s->pending_bssid) && 1564 ssid != wpa_s->current_ssid)))) { 1565 if (wpa_supplicant_scard_init(wpa_s, ssid)) { 1566 wpa_supplicant_req_new_scan(wpa_s, 10, 0); 1567 return 0; 1568 } 1569 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR, 1570 MAC2STR(selected->bssid)); 1571 wpa_supplicant_associate(wpa_s, selected, ssid); 1572 } else { 1573 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to " 1574 "connect with the selected AP"); 1575 } 1576 1577 return 0; 1578 } 1579 1580 1581 static struct wpa_ssid * 1582 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) 1583 { 1584 int prio; 1585 struct wpa_ssid *ssid; 1586 1587 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 1588 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) 1589 { 1590 if (wpas_network_disabled(wpa_s, ssid)) 1591 continue; 1592 #ifndef CONFIG_IBSS_RSN 1593 if (ssid->mode == WPAS_MODE_IBSS && 1594 !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | 1595 WPA_KEY_MGMT_WPA_NONE))) { 1596 wpa_msg(wpa_s, MSG_INFO, 1597 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'", 1598 wpa_ssid_txt(ssid->ssid, 1599 ssid->ssid_len)); 1600 continue; 1601 } 1602 #endif /* !CONFIG_IBSS_RSN */ 1603 if (ssid->mode == IEEE80211_MODE_IBSS || 1604 ssid->mode == IEEE80211_MODE_AP || 1605 ssid->mode == IEEE80211_MODE_MESH) 1606 return ssid; 1607 } 1608 } 1609 return NULL; 1610 } 1611 1612 1613 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based 1614 * on BSS added and BSS changed events */ 1615 static void wpa_supplicant_rsn_preauth_scan_results( 1616 struct wpa_supplicant *wpa_s) 1617 { 1618 struct wpa_bss *bss; 1619 1620 if (rsn_preauth_scan_results(wpa_s->wpa) < 0) 1621 return; 1622 1623 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1624 const u8 *ssid, *rsn; 1625 1626 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); 1627 if (ssid == NULL) 1628 continue; 1629 1630 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1631 if (rsn == NULL) 1632 continue; 1633 1634 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); 1635 } 1636 1637 } 1638 1639 1640 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, 1641 struct wpa_bss *selected, 1642 struct wpa_ssid *ssid) 1643 { 1644 struct wpa_bss *current_bss = NULL; 1645 #ifndef CONFIG_NO_ROAMING 1646 int min_diff, diff; 1647 int to_5ghz; 1648 int cur_est, sel_est; 1649 #endif /* CONFIG_NO_ROAMING */ 1650 1651 if (wpa_s->reassociate) 1652 return 1; /* explicit request to reassociate */ 1653 if (wpa_s->wpa_state < WPA_ASSOCIATED) 1654 return 1; /* we are not associated; continue */ 1655 if (wpa_s->current_ssid == NULL) 1656 return 1; /* unknown current SSID */ 1657 if (wpa_s->current_ssid != ssid) 1658 return 1; /* different network block */ 1659 1660 if (wpas_driver_bss_selection(wpa_s)) 1661 return 0; /* Driver-based roaming */ 1662 1663 if (wpa_s->current_ssid->ssid) 1664 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, 1665 wpa_s->current_ssid->ssid, 1666 wpa_s->current_ssid->ssid_len); 1667 if (!current_bss) 1668 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 1669 1670 if (!current_bss) 1671 return 1; /* current BSS not seen in scan results */ 1672 1673 if (current_bss == selected) 1674 return 0; 1675 1676 if (selected->last_update_idx > current_bss->last_update_idx) 1677 return 1; /* current BSS not seen in the last scan */ 1678 1679 #ifndef CONFIG_NO_ROAMING 1680 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); 1681 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR 1682 " freq=%d level=%d snr=%d est_throughput=%u", 1683 MAC2STR(current_bss->bssid), 1684 current_bss->freq, current_bss->level, 1685 current_bss->snr, current_bss->est_throughput); 1686 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR 1687 " freq=%d level=%d snr=%d est_throughput=%u", 1688 MAC2STR(selected->bssid), selected->freq, selected->level, 1689 selected->snr, selected->est_throughput); 1690 1691 if (wpa_s->current_ssid->bssid_set && 1692 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == 1693 0) { 1694 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " 1695 "has preferred BSSID"); 1696 return 1; 1697 } 1698 1699 if (selected->est_throughput > current_bss->est_throughput + 5000) { 1700 wpa_dbg(wpa_s, MSG_DEBUG, 1701 "Allow reassociation - selected BSS has better estimated throughput"); 1702 return 1; 1703 } 1704 1705 to_5ghz = selected->freq > 4000 && current_bss->freq < 4000; 1706 1707 if (current_bss->level < 0 && 1708 current_bss->level > selected->level + to_5ghz * 2) { 1709 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " 1710 "signal level"); 1711 return 0; 1712 } 1713 1714 if (current_bss->est_throughput > selected->est_throughput + 5000) { 1715 wpa_dbg(wpa_s, MSG_DEBUG, 1716 "Skip roam - Current BSS has better estimated throughput"); 1717 return 0; 1718 } 1719 1720 cur_est = current_bss->est_throughput; 1721 sel_est = selected->est_throughput; 1722 min_diff = 2; 1723 if (current_bss->level < 0) { 1724 if (current_bss->level < -85) 1725 min_diff = 1; 1726 else if (current_bss->level < -80) 1727 min_diff = 2; 1728 else if (current_bss->level < -75) 1729 min_diff = 3; 1730 else if (current_bss->level < -70) 1731 min_diff = 4; 1732 else 1733 min_diff = 5; 1734 if (cur_est > sel_est * 1.5) 1735 min_diff += 10; 1736 else if (cur_est > sel_est * 1.2) 1737 min_diff += 5; 1738 else if (cur_est > sel_est * 1.1) 1739 min_diff += 2; 1740 else if (cur_est > sel_est) 1741 min_diff++; 1742 } 1743 if (to_5ghz) { 1744 int reduce = 2; 1745 1746 /* Make it easier to move to 5 GHz band */ 1747 if (sel_est > cur_est * 1.5) 1748 reduce = 5; 1749 else if (sel_est > cur_est * 1.2) 1750 reduce = 4; 1751 else if (sel_est > cur_est * 1.1) 1752 reduce = 3; 1753 1754 if (min_diff > reduce) 1755 min_diff -= reduce; 1756 else 1757 min_diff = 0; 1758 } 1759 diff = abs(current_bss->level - selected->level); 1760 if (diff < min_diff) { 1761 wpa_dbg(wpa_s, MSG_DEBUG, 1762 "Skip roam - too small difference in signal level (%d < %d)", 1763 diff, min_diff); 1764 return 0; 1765 } 1766 1767 wpa_dbg(wpa_s, MSG_DEBUG, 1768 "Allow reassociation due to difference in signal level (%d >= %d)", 1769 diff, min_diff); 1770 return 1; 1771 #else /* CONFIG_NO_ROAMING */ 1772 return 0; 1773 #endif /* CONFIG_NO_ROAMING */ 1774 } 1775 1776 1777 /* 1778 * Return a negative value if no scan results could be fetched or if scan 1779 * results should not be shared with other virtual interfaces. 1780 * Return 0 if scan results were fetched and may be shared with other 1781 * interfaces. 1782 * Return 1 if scan results may be shared with other virtual interfaces but may 1783 * not trigger any operations. 1784 * Return 2 if the interface was removed and cannot be used. 1785 */ 1786 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 1787 union wpa_event_data *data, 1788 int own_request, int update_only) 1789 { 1790 struct wpa_scan_results *scan_res = NULL; 1791 int ret = 0; 1792 int ap = 0; 1793 #ifndef CONFIG_NO_RANDOM_POOL 1794 size_t i, num; 1795 #endif /* CONFIG_NO_RANDOM_POOL */ 1796 1797 #ifdef CONFIG_AP 1798 if (wpa_s->ap_iface) 1799 ap = 1; 1800 #endif /* CONFIG_AP */ 1801 1802 wpa_supplicant_notify_scanning(wpa_s, 0); 1803 1804 scan_res = wpa_supplicant_get_scan_results(wpa_s, 1805 data ? &data->scan_info : 1806 NULL, 1); 1807 if (scan_res == NULL) { 1808 if (wpa_s->conf->ap_scan == 2 || ap || 1809 wpa_s->scan_res_handler == scan_only_handler) 1810 return -1; 1811 if (!own_request) 1812 return -1; 1813 if (data && data->scan_info.external_scan) 1814 return -1; 1815 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try " 1816 "scanning again"); 1817 wpa_supplicant_req_new_scan(wpa_s, 1, 0); 1818 ret = -1; 1819 goto scan_work_done; 1820 } 1821 1822 #ifndef CONFIG_NO_RANDOM_POOL 1823 num = scan_res->num; 1824 if (num > 10) 1825 num = 10; 1826 for (i = 0; i < num; i++) { 1827 u8 buf[5]; 1828 struct wpa_scan_res *res = scan_res->res[i]; 1829 buf[0] = res->bssid[5]; 1830 buf[1] = res->qual & 0xff; 1831 buf[2] = res->noise & 0xff; 1832 buf[3] = res->level & 0xff; 1833 buf[4] = res->tsf & 0xff; 1834 random_add_randomness(buf, sizeof(buf)); 1835 } 1836 #endif /* CONFIG_NO_RANDOM_POOL */ 1837 1838 if (update_only) { 1839 ret = 1; 1840 goto scan_work_done; 1841 } 1842 1843 if (own_request && wpa_s->scan_res_handler && 1844 !(data && data->scan_info.external_scan)) { 1845 void (*scan_res_handler)(struct wpa_supplicant *wpa_s, 1846 struct wpa_scan_results *scan_res); 1847 1848 scan_res_handler = wpa_s->scan_res_handler; 1849 wpa_s->scan_res_handler = NULL; 1850 scan_res_handler(wpa_s, scan_res); 1851 ret = 1; 1852 goto scan_work_done; 1853 } 1854 1855 if (ap) { 1856 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); 1857 #ifdef CONFIG_AP 1858 if (wpa_s->ap_iface->scan_cb) 1859 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); 1860 #endif /* CONFIG_AP */ 1861 goto scan_work_done; 1862 } 1863 1864 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)", 1865 wpa_s->own_scan_running, 1866 data ? data->scan_info.external_scan : 0); 1867 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 1868 wpa_s->manual_scan_use_id && wpa_s->own_scan_running && 1869 own_request && !(data && data->scan_info.external_scan)) { 1870 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u", 1871 wpa_s->manual_scan_id); 1872 wpa_s->manual_scan_use_id = 0; 1873 } else { 1874 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); 1875 } 1876 wpas_notify_scan_results(wpa_s); 1877 1878 wpas_notify_scan_done(wpa_s, 1); 1879 1880 if (data && data->scan_info.external_scan) { 1881 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection"); 1882 wpa_scan_results_free(scan_res); 1883 return 0; 1884 } 1885 1886 if (wnm_scan_process(wpa_s, 1) > 0) 1887 goto scan_work_done; 1888 1889 if (sme_proc_obss_scan(wpa_s) > 0) 1890 goto scan_work_done; 1891 1892 if (own_request && 1893 wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0) 1894 goto scan_work_done; 1895 1896 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) 1897 goto scan_work_done; 1898 1899 if (autoscan_notify_scan(wpa_s, scan_res)) 1900 goto scan_work_done; 1901 1902 if (wpa_s->disconnected) { 1903 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 1904 goto scan_work_done; 1905 } 1906 1907 if (!wpas_driver_bss_selection(wpa_s) && 1908 bgscan_notify_scan(wpa_s, scan_res) == 1) 1909 goto scan_work_done; 1910 1911 wpas_wps_update_ap_info(wpa_s, scan_res); 1912 1913 if (wpa_s->wpa_state >= WPA_AUTHENTICATING && 1914 wpa_s->wpa_state < WPA_COMPLETED) 1915 goto scan_work_done; 1916 1917 wpa_scan_results_free(scan_res); 1918 1919 if (own_request && wpa_s->scan_work) { 1920 struct wpa_radio_work *work = wpa_s->scan_work; 1921 wpa_s->scan_work = NULL; 1922 radio_work_done(work); 1923 } 1924 1925 return wpas_select_network_from_last_scan(wpa_s, 1, own_request); 1926 1927 scan_work_done: 1928 wpa_scan_results_free(scan_res); 1929 if (own_request && wpa_s->scan_work) { 1930 struct wpa_radio_work *work = wpa_s->scan_work; 1931 wpa_s->scan_work = NULL; 1932 radio_work_done(work); 1933 } 1934 return ret; 1935 } 1936 1937 1938 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, 1939 int new_scan, int own_request) 1940 { 1941 struct wpa_bss *selected; 1942 struct wpa_ssid *ssid = NULL; 1943 int time_to_reenable = wpas_reenabled_network_time(wpa_s); 1944 1945 if (time_to_reenable > 0) { 1946 wpa_dbg(wpa_s, MSG_DEBUG, 1947 "Postpone network selection by %d seconds since all networks are disabled", 1948 time_to_reenable); 1949 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 1950 eloop_register_timeout(time_to_reenable, 0, 1951 wpas_network_reenabled, wpa_s, NULL); 1952 return 0; 1953 } 1954 1955 if (wpa_s->p2p_mgmt) 1956 return 0; /* no normal connection on p2p_mgmt interface */ 1957 1958 wpa_s->owe_transition_search = 0; 1959 selected = wpa_supplicant_pick_network(wpa_s, &ssid); 1960 1961 #ifdef CONFIG_MESH 1962 if (wpa_s->ifmsh) { 1963 wpa_msg(wpa_s, MSG_INFO, 1964 "Avoiding join because we already joined a mesh group"); 1965 return 0; 1966 } 1967 #endif /* CONFIG_MESH */ 1968 1969 if (selected) { 1970 int skip; 1971 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); 1972 if (skip) { 1973 if (new_scan) 1974 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 1975 return 0; 1976 } 1977 1978 if (ssid != wpa_s->current_ssid && 1979 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 1980 wpa_s->own_disconnect_req = 1; 1981 wpa_supplicant_deauthenticate( 1982 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 1983 } 1984 1985 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { 1986 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); 1987 return -1; 1988 } 1989 if (new_scan) 1990 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 1991 /* 1992 * Do not allow other virtual radios to trigger operations based 1993 * on these scan results since we do not want them to start 1994 * other associations at the same time. 1995 */ 1996 return 1; 1997 } else { 1998 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); 1999 ssid = wpa_supplicant_pick_new_network(wpa_s); 2000 if (ssid) { 2001 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); 2002 wpa_supplicant_associate(wpa_s, NULL, ssid); 2003 if (new_scan) 2004 wpa_supplicant_rsn_preauth_scan_results(wpa_s); 2005 } else if (own_request) { 2006 /* 2007 * No SSID found. If SCAN results are as a result of 2008 * own scan request and not due to a scan request on 2009 * another shared interface, try another scan. 2010 */ 2011 int timeout_sec = wpa_s->scan_interval; 2012 int timeout_usec = 0; 2013 #ifdef CONFIG_P2P 2014 int res; 2015 2016 res = wpas_p2p_scan_no_go_seen(wpa_s); 2017 if (res == 2) 2018 return 2; 2019 if (res == 1) 2020 return 0; 2021 2022 if (wpa_s->p2p_in_provisioning || 2023 wpa_s->show_group_started || 2024 wpa_s->p2p_in_invitation) { 2025 /* 2026 * Use shorter wait during P2P Provisioning 2027 * state and during P2P join-a-group operation 2028 * to speed up group formation. 2029 */ 2030 timeout_sec = 0; 2031 timeout_usec = 250000; 2032 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2033 timeout_usec); 2034 return 0; 2035 } 2036 #endif /* CONFIG_P2P */ 2037 #ifdef CONFIG_INTERWORKING 2038 if (wpa_s->conf->auto_interworking && 2039 wpa_s->conf->interworking && 2040 wpa_s->conf->cred) { 2041 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " 2042 "start ANQP fetch since no matching " 2043 "networks found"); 2044 wpa_s->network_select = 1; 2045 wpa_s->auto_network_select = 1; 2046 interworking_start_fetch_anqp(wpa_s); 2047 return 1; 2048 } 2049 #endif /* CONFIG_INTERWORKING */ 2050 #ifdef CONFIG_WPS 2051 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) { 2052 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing"); 2053 timeout_sec = 0; 2054 timeout_usec = 500000; 2055 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2056 timeout_usec); 2057 return 0; 2058 } 2059 #endif /* CONFIG_WPS */ 2060 #ifdef CONFIG_OWE 2061 if (wpa_s->owe_transition_search) { 2062 wpa_dbg(wpa_s, MSG_DEBUG, 2063 "OWE: Use shorter wait during transition mode search"); 2064 timeout_sec = 0; 2065 timeout_usec = 500000; 2066 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2067 timeout_usec); 2068 return 0; 2069 } 2070 #endif /* CONFIG_OWE */ 2071 if (wpa_supplicant_req_sched_scan(wpa_s)) 2072 wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 2073 timeout_usec); 2074 2075 wpa_msg_ctrl(wpa_s, MSG_INFO, 2076 WPA_EVENT_NETWORK_NOT_FOUND); 2077 } 2078 } 2079 return 0; 2080 } 2081 2082 2083 static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 2084 union wpa_event_data *data) 2085 { 2086 struct wpa_supplicant *ifs; 2087 int res; 2088 2089 res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0); 2090 if (res == 2) { 2091 /* 2092 * Interface may have been removed, so must not dereference 2093 * wpa_s after this. 2094 */ 2095 return 1; 2096 } 2097 2098 if (res < 0) { 2099 /* 2100 * If no scan results could be fetched, then no need to 2101 * notify those interfaces that did not actually request 2102 * this scan. Similarly, if scan results started a new operation on this 2103 * interface, do not notify other interfaces to avoid concurrent 2104 * operations during a connection attempt. 2105 */ 2106 return 0; 2107 } 2108 2109 /* 2110 * Check other interfaces to see if they share the same radio. If 2111 * so, they get updated with this same scan info. 2112 */ 2113 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 2114 radio_list) { 2115 if (ifs != wpa_s) { 2116 wpa_printf(MSG_DEBUG, "%s: Updating scan results from " 2117 "sibling", ifs->ifname); 2118 res = _wpa_supplicant_event_scan_results(ifs, data, 0, 2119 res > 0); 2120 if (res < 0) 2121 return 0; 2122 } 2123 } 2124 2125 return 0; 2126 } 2127 2128 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2129 2130 2131 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) 2132 { 2133 #ifdef CONFIG_NO_SCAN_PROCESSING 2134 return -1; 2135 #else /* CONFIG_NO_SCAN_PROCESSING */ 2136 struct os_reltime now; 2137 2138 wpa_s->ignore_post_flush_scan_res = 0; 2139 2140 if (wpa_s->last_scan_res_used == 0) 2141 return -1; 2142 2143 os_get_reltime(&now); 2144 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) { 2145 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); 2146 return -1; 2147 } 2148 2149 return wpas_select_network_from_last_scan(wpa_s, 0, 1); 2150 #endif /* CONFIG_NO_SCAN_PROCESSING */ 2151 } 2152 2153 #ifdef CONFIG_WNM 2154 2155 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) 2156 { 2157 struct wpa_supplicant *wpa_s = eloop_ctx; 2158 2159 if (wpa_s->wpa_state < WPA_ASSOCIATED) 2160 return; 2161 2162 if (!wpa_s->no_keep_alive) { 2163 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, 2164 MAC2STR(wpa_s->bssid)); 2165 /* TODO: could skip this if normal data traffic has been sent */ 2166 /* TODO: Consider using some more appropriate data frame for 2167 * this */ 2168 if (wpa_s->l2) 2169 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, 2170 (u8 *) "", 0); 2171 } 2172 2173 #ifdef CONFIG_SME 2174 if (wpa_s->sme.bss_max_idle_period) { 2175 unsigned int msec; 2176 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ 2177 if (msec > 100) 2178 msec -= 100; 2179 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2180 wnm_bss_keep_alive, wpa_s, NULL); 2181 } 2182 #endif /* CONFIG_SME */ 2183 } 2184 2185 2186 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, 2187 const u8 *ies, size_t ies_len) 2188 { 2189 struct ieee802_11_elems elems; 2190 2191 if (ies == NULL) 2192 return; 2193 2194 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 2195 return; 2196 2197 #ifdef CONFIG_SME 2198 if (elems.bss_max_idle_period) { 2199 unsigned int msec; 2200 wpa_s->sme.bss_max_idle_period = 2201 WPA_GET_LE16(elems.bss_max_idle_period); 2202 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " 2203 "TU)%s", wpa_s->sme.bss_max_idle_period, 2204 (elems.bss_max_idle_period[2] & 0x01) ? 2205 " (protected keep-live required)" : ""); 2206 if (wpa_s->sme.bss_max_idle_period == 0) 2207 wpa_s->sme.bss_max_idle_period = 1; 2208 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 2209 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2210 /* msec times 1000 */ 2211 msec = wpa_s->sme.bss_max_idle_period * 1024; 2212 if (msec > 100) 2213 msec -= 100; 2214 eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 2215 wnm_bss_keep_alive, wpa_s, 2216 NULL); 2217 } 2218 } 2219 #endif /* CONFIG_SME */ 2220 } 2221 2222 #endif /* CONFIG_WNM */ 2223 2224 2225 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) 2226 { 2227 #ifdef CONFIG_WNM 2228 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 2229 #endif /* CONFIG_WNM */ 2230 } 2231 2232 2233 #ifdef CONFIG_INTERWORKING 2234 2235 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map, 2236 size_t len) 2237 { 2238 int res; 2239 2240 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len); 2241 res = wpa_drv_set_qos_map(wpa_s, qos_map, len); 2242 if (res) { 2243 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver"); 2244 } 2245 2246 return res; 2247 } 2248 2249 2250 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s, 2251 const u8 *ies, size_t ies_len) 2252 { 2253 struct ieee802_11_elems elems; 2254 2255 if (ies == NULL) 2256 return; 2257 2258 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 2259 return; 2260 2261 if (elems.qos_map_set) { 2262 wpas_qos_map_set(wpa_s, elems.qos_map_set, 2263 elems.qos_map_set_len); 2264 } 2265 } 2266 2267 #endif /* CONFIG_INTERWORKING */ 2268 2269 2270 #ifdef CONFIG_FST 2271 static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s, 2272 const u8 *ie, size_t ie_len) 2273 { 2274 struct mb_ies_info mb_ies; 2275 2276 if (!ie || !ie_len || !wpa_s->fst) 2277 return -ENOENT; 2278 2279 os_memset(&mb_ies, 0, sizeof(mb_ies)); 2280 2281 while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) { 2282 size_t len; 2283 2284 len = 2 + ie[1]; 2285 if (len > ie_len) { 2286 wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found", 2287 ie, ie_len); 2288 break; 2289 } 2290 2291 if (ie[0] == WLAN_EID_MULTI_BAND) { 2292 wpa_printf(MSG_DEBUG, "MB IE of %u bytes found", 2293 (unsigned int) len); 2294 mb_ies.ies[mb_ies.nof_ies].ie = ie + 2; 2295 mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2; 2296 mb_ies.nof_ies++; 2297 } 2298 2299 ie_len -= len; 2300 ie += len; 2301 } 2302 2303 if (mb_ies.nof_ies > 0) { 2304 wpabuf_free(wpa_s->received_mb_ies); 2305 wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies); 2306 return 0; 2307 } 2308 2309 return -ENOENT; 2310 } 2311 #endif /* CONFIG_FST */ 2312 2313 2314 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, 2315 union wpa_event_data *data) 2316 { 2317 int l, len, found = 0, wpa_found, rsn_found; 2318 const u8 *p; 2319 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE) 2320 u8 bssid[ETH_ALEN]; 2321 #endif /* CONFIG_IEEE80211R || CONFIG_OWE */ 2322 2323 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); 2324 if (data->assoc_info.req_ies) 2325 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, 2326 data->assoc_info.req_ies_len); 2327 if (data->assoc_info.resp_ies) { 2328 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, 2329 data->assoc_info.resp_ies_len); 2330 #ifdef CONFIG_TDLS 2331 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, 2332 data->assoc_info.resp_ies_len); 2333 #endif /* CONFIG_TDLS */ 2334 #ifdef CONFIG_WNM 2335 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 2336 data->assoc_info.resp_ies_len); 2337 #endif /* CONFIG_WNM */ 2338 #ifdef CONFIG_INTERWORKING 2339 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 2340 data->assoc_info.resp_ies_len); 2341 #endif /* CONFIG_INTERWORKING */ 2342 if (wpa_s->hw_capab == CAPAB_VHT && 2343 get_ie(data->assoc_info.resp_ies, 2344 data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP)) 2345 wpa_s->ieee80211ac = 1; 2346 } 2347 if (data->assoc_info.beacon_ies) 2348 wpa_hexdump(MSG_DEBUG, "beacon_ies", 2349 data->assoc_info.beacon_ies, 2350 data->assoc_info.beacon_ies_len); 2351 if (data->assoc_info.freq) 2352 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", 2353 data->assoc_info.freq); 2354 2355 p = data->assoc_info.req_ies; 2356 l = data->assoc_info.req_ies_len; 2357 2358 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ 2359 while (p && l >= 2) { 2360 len = p[1] + 2; 2361 if (len > l) { 2362 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 2363 p, l); 2364 break; 2365 } 2366 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 2367 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 2368 (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && 2369 (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || 2370 (p[0] == WLAN_EID_RSN && p[1] >= 2)) { 2371 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) 2372 break; 2373 found = 1; 2374 wpa_find_assoc_pmkid(wpa_s); 2375 break; 2376 } 2377 l -= len; 2378 p += len; 2379 } 2380 if (!found && data->assoc_info.req_ies) 2381 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); 2382 2383 #ifdef CONFIG_FILS 2384 #ifdef CONFIG_SME 2385 if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS || 2386 wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) && 2387 (!data->assoc_info.resp_frame || 2388 fils_process_assoc_resp(wpa_s->wpa, 2389 data->assoc_info.resp_frame, 2390 data->assoc_info.resp_frame_len) < 0)) { 2391 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); 2392 return -1; 2393 } 2394 #endif /* CONFIG_SME */ 2395 2396 /* Additional processing for FILS when SME is in driver */ 2397 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS && 2398 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 2399 wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1); 2400 #endif /* CONFIG_FILS */ 2401 2402 #ifdef CONFIG_OWE 2403 if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 2404 (wpa_drv_get_bssid(wpa_s, bssid) < 0 || 2405 owe_process_assoc_resp(wpa_s->wpa, bssid, 2406 data->assoc_info.resp_ies, 2407 data->assoc_info.resp_ies_len) < 0)) { 2408 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); 2409 return -1; 2410 } 2411 #endif /* CONFIG_OWE */ 2412 2413 #ifdef CONFIG_IEEE80211R 2414 #ifdef CONFIG_SME 2415 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { 2416 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || 2417 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 2418 data->assoc_info.resp_ies, 2419 data->assoc_info.resp_ies_len, 2420 bssid) < 0) { 2421 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 2422 "Reassociation Response failed"); 2423 wpa_supplicant_deauthenticate( 2424 wpa_s, WLAN_REASON_INVALID_IE); 2425 return -1; 2426 } 2427 } 2428 2429 p = data->assoc_info.resp_ies; 2430 l = data->assoc_info.resp_ies_len; 2431 2432 #ifdef CONFIG_WPS_STRICT 2433 if (p && wpa_s->current_ssid && 2434 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { 2435 struct wpabuf *wps; 2436 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); 2437 if (wps == NULL) { 2438 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " 2439 "include WPS IE in (Re)Association Response"); 2440 return -1; 2441 } 2442 2443 if (wps_validate_assoc_resp(wps) < 0) { 2444 wpabuf_free(wps); 2445 wpa_supplicant_deauthenticate( 2446 wpa_s, WLAN_REASON_INVALID_IE); 2447 return -1; 2448 } 2449 wpabuf_free(wps); 2450 } 2451 #endif /* CONFIG_WPS_STRICT */ 2452 2453 /* Go through the IEs and make a copy of the MDIE, if present. */ 2454 while (p && l >= 2) { 2455 len = p[1] + 2; 2456 if (len > l) { 2457 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 2458 p, l); 2459 break; 2460 } 2461 if (p[0] == WLAN_EID_MOBILITY_DOMAIN && 2462 p[1] >= MOBILITY_DOMAIN_ID_LEN) { 2463 wpa_s->sme.ft_used = 1; 2464 os_memcpy(wpa_s->sme.mobility_domain, p + 2, 2465 MOBILITY_DOMAIN_ID_LEN); 2466 break; 2467 } 2468 l -= len; 2469 p += len; 2470 } 2471 #endif /* CONFIG_SME */ 2472 2473 /* Process FT when SME is in the driver */ 2474 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 2475 wpa_ft_is_completed(wpa_s->wpa)) { 2476 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || 2477 wpa_ft_validate_reassoc_resp(wpa_s->wpa, 2478 data->assoc_info.resp_ies, 2479 data->assoc_info.resp_ies_len, 2480 bssid) < 0) { 2481 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 2482 "Reassociation Response failed"); 2483 wpa_supplicant_deauthenticate( 2484 wpa_s, WLAN_REASON_INVALID_IE); 2485 return -1; 2486 } 2487 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); 2488 } 2489 2490 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, 2491 data->assoc_info.resp_ies_len); 2492 #endif /* CONFIG_IEEE80211R */ 2493 2494 /* WPA/RSN IE from Beacon/ProbeResp */ 2495 p = data->assoc_info.beacon_ies; 2496 l = data->assoc_info.beacon_ies_len; 2497 2498 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. 2499 */ 2500 wpa_found = rsn_found = 0; 2501 while (p && l >= 2) { 2502 len = p[1] + 2; 2503 if (len > l) { 2504 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", 2505 p, l); 2506 break; 2507 } 2508 if (!wpa_found && 2509 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 2510 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { 2511 wpa_found = 1; 2512 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); 2513 } 2514 2515 if (!rsn_found && 2516 p[0] == WLAN_EID_RSN && p[1] >= 2) { 2517 rsn_found = 1; 2518 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); 2519 } 2520 2521 l -= len; 2522 p += len; 2523 } 2524 2525 if (!wpa_found && data->assoc_info.beacon_ies) 2526 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); 2527 if (!rsn_found && data->assoc_info.beacon_ies) 2528 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); 2529 if (wpa_found || rsn_found) 2530 wpa_s->ap_ies_from_associnfo = 1; 2531 2532 if (wpa_s->assoc_freq && data->assoc_info.freq && 2533 wpa_s->assoc_freq != data->assoc_info.freq) { 2534 wpa_printf(MSG_DEBUG, "Operating frequency changed from " 2535 "%u to %u MHz", 2536 wpa_s->assoc_freq, data->assoc_info.freq); 2537 wpa_supplicant_update_scan_results(wpa_s); 2538 } 2539 2540 wpa_s->assoc_freq = data->assoc_info.freq; 2541 2542 return 0; 2543 } 2544 2545 2546 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) 2547 { 2548 const u8 *bss_wpa = NULL, *bss_rsn = NULL; 2549 2550 if (!wpa_s->current_bss || !wpa_s->current_ssid) 2551 return -1; 2552 2553 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) 2554 return 0; 2555 2556 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, 2557 WPA_IE_VENDOR_TYPE); 2558 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); 2559 2560 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, 2561 bss_wpa ? 2 + bss_wpa[1] : 0) || 2562 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, 2563 bss_rsn ? 2 + bss_rsn[1] : 0)) 2564 return -1; 2565 2566 return 0; 2567 } 2568 2569 2570 static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s, 2571 union wpa_event_data *data) 2572 { 2573 #ifdef CONFIG_FST 2574 struct assoc_info *ai = data ? &data->assoc_info : NULL; 2575 struct wpa_bss *bss = wpa_s->current_bss; 2576 const u8 *ieprb, *iebcn; 2577 2578 wpabuf_free(wpa_s->received_mb_ies); 2579 wpa_s->received_mb_ies = NULL; 2580 2581 if (ai && 2582 !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) { 2583 wpa_printf(MSG_DEBUG, 2584 "FST: MB IEs updated from Association Response frame"); 2585 return; 2586 } 2587 2588 if (ai && 2589 !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) { 2590 wpa_printf(MSG_DEBUG, 2591 "FST: MB IEs updated from association event Beacon IEs"); 2592 return; 2593 } 2594 2595 if (!bss) 2596 return; 2597 2598 ieprb = (const u8 *) (bss + 1); 2599 iebcn = ieprb + bss->ie_len; 2600 2601 if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len)) 2602 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE"); 2603 else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len)) 2604 wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE"); 2605 #endif /* CONFIG_FST */ 2606 } 2607 2608 2609 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, 2610 union wpa_event_data *data) 2611 { 2612 u8 bssid[ETH_ALEN]; 2613 int ft_completed, already_authorized; 2614 int new_bss = 0; 2615 2616 #ifdef CONFIG_AP 2617 if (wpa_s->ap_iface) { 2618 if (!data) 2619 return; 2620 hostapd_notif_assoc(wpa_s->ap_iface->bss[0], 2621 data->assoc_info.addr, 2622 data->assoc_info.req_ies, 2623 data->assoc_info.req_ies_len, 2624 data->assoc_info.reassoc); 2625 return; 2626 } 2627 #endif /* CONFIG_AP */ 2628 2629 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); 2630 2631 ft_completed = wpa_ft_is_completed(wpa_s->wpa); 2632 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) 2633 return; 2634 /* 2635 * FILS authentication can share the same mechanism to mark the 2636 * connection fully authenticated, so set ft_completed also based on 2637 * FILS result. 2638 */ 2639 if (!ft_completed) 2640 ft_completed = wpa_fils_is_completed(wpa_s->wpa); 2641 2642 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { 2643 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); 2644 wpa_supplicant_deauthenticate( 2645 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2646 return; 2647 } 2648 2649 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); 2650 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { 2651 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" 2652 MACSTR, MAC2STR(bssid)); 2653 new_bss = 1; 2654 random_add_randomness(bssid, ETH_ALEN); 2655 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); 2656 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 2657 wpas_notify_bssid_changed(wpa_s); 2658 2659 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { 2660 wpa_clear_keys(wpa_s, bssid); 2661 } 2662 if (wpa_supplicant_select_config(wpa_s) < 0) { 2663 wpa_supplicant_deauthenticate( 2664 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2665 return; 2666 } 2667 } 2668 2669 if (wpa_s->conf->ap_scan == 1 && 2670 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { 2671 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss) 2672 wpa_msg(wpa_s, MSG_WARNING, 2673 "WPA/RSN IEs not updated"); 2674 } 2675 2676 wpas_fst_update_mb_assoc(wpa_s, data); 2677 2678 #ifdef CONFIG_SME 2679 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); 2680 wpa_s->sme.prev_bssid_set = 1; 2681 wpa_s->sme.last_unprot_disconnect.sec = 0; 2682 #endif /* CONFIG_SME */ 2683 2684 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); 2685 if (wpa_s->current_ssid) { 2686 /* When using scanning (ap_scan=1), SIM PC/SC interface can be 2687 * initialized before association, but for other modes, 2688 * initialize PC/SC here, if the current configuration needs 2689 * smartcard or SIM/USIM. */ 2690 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); 2691 } 2692 wpa_sm_notify_assoc(wpa_s->wpa, bssid); 2693 if (wpa_s->l2) 2694 l2_packet_notify_auth_start(wpa_s->l2); 2695 2696 already_authorized = data && data->assoc_info.authorized; 2697 2698 /* 2699 * Set portEnabled first to FALSE in order to get EAP state machine out 2700 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE 2701 * state machine may transit to AUTHENTICATING state based on obsolete 2702 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to 2703 * AUTHENTICATED without ever giving chance to EAP state machine to 2704 * reset the state. 2705 */ 2706 if (!ft_completed && !already_authorized) { 2707 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); 2708 eapol_sm_notify_portValid(wpa_s->eapol, FALSE); 2709 } 2710 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || 2711 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || 2712 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed || 2713 already_authorized) 2714 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); 2715 /* 802.1X::portControl = Auto */ 2716 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); 2717 wpa_s->eapol_received = 0; 2718 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 2719 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || 2720 (wpa_s->current_ssid && 2721 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { 2722 if (wpa_s->current_ssid && 2723 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE && 2724 (wpa_s->drv_flags & 2725 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 2726 /* 2727 * Set the key after having received joined-IBSS event 2728 * from the driver. 2729 */ 2730 wpa_supplicant_set_wpa_none_key(wpa_s, 2731 wpa_s->current_ssid); 2732 } 2733 wpa_supplicant_cancel_auth_timeout(wpa_s); 2734 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 2735 } else if (!ft_completed) { 2736 /* Timeout for receiving the first EAPOL packet */ 2737 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); 2738 } 2739 wpa_supplicant_cancel_scan(wpa_s); 2740 2741 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && 2742 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { 2743 /* 2744 * We are done; the driver will take care of RSN 4-way 2745 * handshake. 2746 */ 2747 wpa_supplicant_cancel_auth_timeout(wpa_s); 2748 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 2749 eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 2750 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); 2751 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && 2752 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { 2753 /* 2754 * The driver will take care of RSN 4-way handshake, so we need 2755 * to allow EAPOL supplicant to complete its work without 2756 * waiting for WPA supplicant. 2757 */ 2758 eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 2759 } else if (ft_completed) { 2760 /* 2761 * FT protocol completed - make sure EAPOL state machine ends 2762 * up in authenticated. 2763 */ 2764 wpa_supplicant_cancel_auth_timeout(wpa_s); 2765 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 2766 eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 2767 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); 2768 } 2769 2770 wpa_s->last_eapol_matches_bssid = 0; 2771 2772 if (wpa_s->pending_eapol_rx) { 2773 struct os_reltime now, age; 2774 os_get_reltime(&now); 2775 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age); 2776 if (age.sec == 0 && age.usec < 200000 && 2777 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == 2778 0) { 2779 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " 2780 "frame that was received just before " 2781 "association notification"); 2782 wpa_supplicant_rx_eapol( 2783 wpa_s, wpa_s->pending_eapol_rx_src, 2784 wpabuf_head(wpa_s->pending_eapol_rx), 2785 wpabuf_len(wpa_s->pending_eapol_rx)); 2786 } 2787 wpabuf_free(wpa_s->pending_eapol_rx); 2788 wpa_s->pending_eapol_rx = NULL; 2789 } 2790 2791 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 2792 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 2793 wpa_s->current_ssid && 2794 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { 2795 /* Set static WEP keys again */ 2796 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); 2797 } 2798 2799 #ifdef CONFIG_IBSS_RSN 2800 if (wpa_s->current_ssid && 2801 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 2802 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && 2803 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && 2804 wpa_s->ibss_rsn == NULL) { 2805 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid); 2806 if (!wpa_s->ibss_rsn) { 2807 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); 2808 wpa_supplicant_deauthenticate( 2809 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 2810 return; 2811 } 2812 2813 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); 2814 } 2815 #endif /* CONFIG_IBSS_RSN */ 2816 2817 wpas_wps_notify_assoc(wpa_s, bssid); 2818 2819 if (data) { 2820 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies, 2821 data->assoc_info.resp_ies_len, 2822 &data->assoc_info.wmm_params); 2823 2824 if (wpa_s->reassoc_same_bss) 2825 wmm_ac_restore_tspecs(wpa_s); 2826 } 2827 2828 #ifdef CONFIG_FILS 2829 if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) { 2830 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid); 2831 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 2832 2833 if (fils_cache_id) 2834 wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id); 2835 } 2836 #endif /* CONFIG_FILS */ 2837 } 2838 2839 2840 static int disconnect_reason_recoverable(u16 reason_code) 2841 { 2842 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || 2843 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || 2844 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; 2845 } 2846 2847 2848 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, 2849 u16 reason_code, 2850 int locally_generated) 2851 { 2852 const u8 *bssid; 2853 2854 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 2855 /* 2856 * At least Host AP driver and a Prism3 card seemed to be 2857 * generating streams of disconnected events when configuring 2858 * IBSS for WPA-None. Ignore them for now. 2859 */ 2860 return; 2861 } 2862 2863 bssid = wpa_s->bssid; 2864 if (is_zero_ether_addr(bssid)) 2865 bssid = wpa_s->pending_bssid; 2866 2867 if (!is_zero_ether_addr(bssid) || 2868 wpa_s->wpa_state >= WPA_AUTHENTICATING) { 2869 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR 2870 " reason=%d%s", 2871 MAC2STR(bssid), reason_code, 2872 locally_generated ? " locally_generated=1" : ""); 2873 } 2874 } 2875 2876 2877 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, 2878 int locally_generated) 2879 { 2880 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || 2881 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) 2882 return 0; /* Not in 4-way handshake with PSK */ 2883 2884 /* 2885 * It looks like connection was lost while trying to go through PSK 2886 * 4-way handshake. Filter out known disconnection cases that are caused 2887 * by something else than PSK mismatch to avoid confusing reports. 2888 */ 2889 2890 if (locally_generated) { 2891 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) 2892 return 0; 2893 } 2894 2895 return 1; 2896 } 2897 2898 2899 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, 2900 u16 reason_code, 2901 int locally_generated) 2902 { 2903 const u8 *bssid; 2904 int authenticating; 2905 u8 prev_pending_bssid[ETH_ALEN]; 2906 struct wpa_bss *fast_reconnect = NULL; 2907 struct wpa_ssid *fast_reconnect_ssid = NULL; 2908 struct wpa_ssid *last_ssid; 2909 struct wpa_bss *curr = NULL; 2910 2911 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; 2912 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); 2913 2914 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 2915 /* 2916 * At least Host AP driver and a Prism3 card seemed to be 2917 * generating streams of disconnected events when configuring 2918 * IBSS for WPA-None. Ignore them for now. 2919 */ 2920 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " 2921 "IBSS/WPA-None mode"); 2922 return; 2923 } 2924 2925 if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING && 2926 reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY && 2927 locally_generated) 2928 /* 2929 * Remove the inactive AP (which is probably out of range) from 2930 * the BSS list after marking disassociation. In particular 2931 * mac80211-based drivers use the 2932 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in 2933 * locally generated disconnection events for cases where the 2934 * AP does not reply anymore. 2935 */ 2936 curr = wpa_s->current_bss; 2937 2938 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { 2939 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " 2940 "pre-shared key may be incorrect"); 2941 if (wpas_p2p_4way_hs_failed(wpa_s) > 0) 2942 return; /* P2P group removed */ 2943 wpas_auth_failed(wpa_s, "WRONG_KEY"); 2944 } 2945 if (!wpa_s->disconnected && 2946 (!wpa_s->auto_reconnect_disabled || 2947 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS || 2948 wpas_wps_searching(wpa_s) || 2949 wpas_wps_reenable_networks_pending(wpa_s))) { 2950 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " 2951 "reconnect (wps=%d/%d wpa_state=%d)", 2952 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, 2953 wpas_wps_searching(wpa_s), 2954 wpa_s->wpa_state); 2955 if (wpa_s->wpa_state == WPA_COMPLETED && 2956 wpa_s->current_ssid && 2957 wpa_s->current_ssid->mode == WPAS_MODE_INFRA && 2958 !locally_generated && 2959 disconnect_reason_recoverable(reason_code)) { 2960 /* 2961 * It looks like the AP has dropped association with 2962 * us, but could allow us to get back in. Try to 2963 * reconnect to the same BSS without full scan to save 2964 * time for some common cases. 2965 */ 2966 fast_reconnect = wpa_s->current_bss; 2967 fast_reconnect_ssid = wpa_s->current_ssid; 2968 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) 2969 wpa_supplicant_req_scan(wpa_s, 0, 100000); 2970 else 2971 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " 2972 "immediate scan"); 2973 } else { 2974 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " 2975 "try to re-connect"); 2976 wpa_s->reassociate = 0; 2977 wpa_s->disconnected = 1; 2978 if (!wpa_s->pno) 2979 wpa_supplicant_cancel_sched_scan(wpa_s); 2980 } 2981 bssid = wpa_s->bssid; 2982 if (is_zero_ether_addr(bssid)) 2983 bssid = wpa_s->pending_bssid; 2984 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) 2985 wpas_connection_failed(wpa_s, bssid); 2986 wpa_sm_notify_disassoc(wpa_s->wpa); 2987 if (locally_generated) 2988 wpa_s->disconnect_reason = -reason_code; 2989 else 2990 wpa_s->disconnect_reason = reason_code; 2991 wpas_notify_disconnect_reason(wpa_s); 2992 if (wpa_supplicant_dynamic_keys(wpa_s)) { 2993 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); 2994 wpa_clear_keys(wpa_s, wpa_s->bssid); 2995 } 2996 last_ssid = wpa_s->current_ssid; 2997 wpa_supplicant_mark_disassoc(wpa_s); 2998 2999 if (curr) 3000 wpa_bss_remove(wpa_s, curr, "Connection to AP lost"); 3001 3002 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { 3003 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); 3004 wpa_s->current_ssid = last_ssid; 3005 } 3006 3007 if (fast_reconnect && 3008 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) && 3009 !disallowed_bssid(wpa_s, fast_reconnect->bssid) && 3010 !disallowed_ssid(wpa_s, fast_reconnect->ssid, 3011 fast_reconnect->ssid_len) && 3012 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) && 3013 !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) { 3014 #ifndef CONFIG_NO_SCAN_PROCESSING 3015 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); 3016 if (wpa_supplicant_connect(wpa_s, fast_reconnect, 3017 fast_reconnect_ssid) < 0) { 3018 /* Recover through full scan */ 3019 wpa_supplicant_req_scan(wpa_s, 0, 100000); 3020 } 3021 #endif /* CONFIG_NO_SCAN_PROCESSING */ 3022 } else if (fast_reconnect) { 3023 /* 3024 * Could not reconnect to the same BSS due to network being 3025 * disabled. Use a new scan to match the alternative behavior 3026 * above, i.e., to continue automatic reconnection attempt in a 3027 * way that enforces disabled network rules. 3028 */ 3029 wpa_supplicant_req_scan(wpa_s, 0, 100000); 3030 } 3031 } 3032 3033 3034 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 3035 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) 3036 { 3037 struct wpa_supplicant *wpa_s = eloop_ctx; 3038 3039 if (!wpa_s->pending_mic_error_report) 3040 return; 3041 3042 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); 3043 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); 3044 wpa_s->pending_mic_error_report = 0; 3045 } 3046 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3047 3048 3049 static void 3050 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, 3051 union wpa_event_data *data) 3052 { 3053 int pairwise; 3054 struct os_reltime t; 3055 3056 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); 3057 pairwise = (data && data->michael_mic_failure.unicast); 3058 os_get_reltime(&t); 3059 if ((wpa_s->last_michael_mic_error.sec && 3060 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) || 3061 wpa_s->pending_mic_error_report) { 3062 if (wpa_s->pending_mic_error_report) { 3063 /* 3064 * Send the pending MIC error report immediately since 3065 * we are going to start countermeasures and AP better 3066 * do the same. 3067 */ 3068 wpa_sm_key_request(wpa_s->wpa, 1, 3069 wpa_s->pending_mic_error_pairwise); 3070 } 3071 3072 /* Send the new MIC error report immediately since we are going 3073 * to start countermeasures and AP better do the same. 3074 */ 3075 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3076 3077 /* initialize countermeasures */ 3078 wpa_s->countermeasures = 1; 3079 3080 wpa_blacklist_add(wpa_s, wpa_s->bssid); 3081 3082 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); 3083 3084 /* 3085 * Need to wait for completion of request frame. We do not get 3086 * any callback for the message completion, so just wait a 3087 * short while and hope for the best. */ 3088 os_sleep(0, 10000); 3089 3090 wpa_drv_set_countermeasures(wpa_s, 1); 3091 wpa_supplicant_deauthenticate(wpa_s, 3092 WLAN_REASON_MICHAEL_MIC_FAILURE); 3093 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, 3094 wpa_s, NULL); 3095 eloop_register_timeout(60, 0, 3096 wpa_supplicant_stop_countermeasures, 3097 wpa_s, NULL); 3098 /* TODO: mark the AP rejected for 60 second. STA is 3099 * allowed to associate with another AP.. */ 3100 } else { 3101 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 3102 if (wpa_s->mic_errors_seen) { 3103 /* 3104 * Reduce the effectiveness of Michael MIC error 3105 * reports as a means for attacking against TKIP if 3106 * more than one MIC failure is noticed with the same 3107 * PTK. We delay the transmission of the reports by a 3108 * random time between 0 and 60 seconds in order to 3109 * force the attacker wait 60 seconds before getting 3110 * the information on whether a frame resulted in a MIC 3111 * failure. 3112 */ 3113 u8 rval[4]; 3114 int sec; 3115 3116 if (os_get_random(rval, sizeof(rval)) < 0) 3117 sec = os_random() % 60; 3118 else 3119 sec = WPA_GET_BE32(rval) % 60; 3120 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " 3121 "report %d seconds", sec); 3122 wpa_s->pending_mic_error_report = 1; 3123 wpa_s->pending_mic_error_pairwise = pairwise; 3124 eloop_cancel_timeout( 3125 wpa_supplicant_delayed_mic_error_report, 3126 wpa_s, NULL); 3127 eloop_register_timeout( 3128 sec, os_random() % 1000000, 3129 wpa_supplicant_delayed_mic_error_report, 3130 wpa_s, NULL); 3131 } else { 3132 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3133 } 3134 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3135 wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 3136 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 3137 } 3138 wpa_s->last_michael_mic_error = t; 3139 wpa_s->mic_errors_seen++; 3140 } 3141 3142 3143 #ifdef CONFIG_TERMINATE_ONLASTIF 3144 static int any_interfaces(struct wpa_supplicant *head) 3145 { 3146 struct wpa_supplicant *wpa_s; 3147 3148 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) 3149 if (!wpa_s->interface_removed) 3150 return 1; 3151 return 0; 3152 } 3153 #endif /* CONFIG_TERMINATE_ONLASTIF */ 3154 3155 3156 static void 3157 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, 3158 union wpa_event_data *data) 3159 { 3160 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) 3161 return; 3162 3163 switch (data->interface_status.ievent) { 3164 case EVENT_INTERFACE_ADDED: 3165 if (!wpa_s->interface_removed) 3166 break; 3167 wpa_s->interface_removed = 0; 3168 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); 3169 if (wpa_supplicant_driver_init(wpa_s) < 0) { 3170 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " 3171 "driver after interface was added"); 3172 } 3173 3174 #ifdef CONFIG_P2P 3175 if (!wpa_s->global->p2p && 3176 !wpa_s->global->p2p_disabled && 3177 !wpa_s->conf->p2p_disabled && 3178 (wpa_s->drv_flags & 3179 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && 3180 wpas_p2p_add_p2pdev_interface( 3181 wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) { 3182 wpa_printf(MSG_INFO, 3183 "P2P: Failed to enable P2P Device interface"); 3184 /* Try to continue without. P2P will be disabled. */ 3185 } 3186 #endif /* CONFIG_P2P */ 3187 3188 break; 3189 case EVENT_INTERFACE_REMOVED: 3190 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); 3191 wpa_s->interface_removed = 1; 3192 wpa_supplicant_mark_disassoc(wpa_s); 3193 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 3194 l2_packet_deinit(wpa_s->l2); 3195 wpa_s->l2 = NULL; 3196 3197 #ifdef CONFIG_P2P 3198 if (wpa_s->global->p2p && 3199 wpa_s->global->p2p_init_wpa_s->parent == wpa_s && 3200 (wpa_s->drv_flags & 3201 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) { 3202 wpa_dbg(wpa_s, MSG_DEBUG, 3203 "Removing P2P Device interface"); 3204 wpa_supplicant_remove_iface( 3205 wpa_s->global, wpa_s->global->p2p_init_wpa_s, 3206 0); 3207 wpa_s->global->p2p_init_wpa_s = NULL; 3208 } 3209 #endif /* CONFIG_P2P */ 3210 3211 #ifdef CONFIG_MATCH_IFACE 3212 if (wpa_s->matched) { 3213 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); 3214 break; 3215 } 3216 #endif /* CONFIG_MATCH_IFACE */ 3217 3218 #ifdef CONFIG_TERMINATE_ONLASTIF 3219 /* check if last interface */ 3220 if (!any_interfaces(wpa_s->global->ifaces)) 3221 eloop_terminate(); 3222 #endif /* CONFIG_TERMINATE_ONLASTIF */ 3223 break; 3224 } 3225 } 3226 3227 3228 #ifdef CONFIG_TDLS 3229 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, 3230 union wpa_event_data *data) 3231 { 3232 if (data == NULL) 3233 return; 3234 switch (data->tdls.oper) { 3235 case TDLS_REQUEST_SETUP: 3236 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); 3237 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 3238 wpa_tdls_start(wpa_s->wpa, data->tdls.peer); 3239 else 3240 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); 3241 break; 3242 case TDLS_REQUEST_TEARDOWN: 3243 if (wpa_tdls_is_external_setup(wpa_s->wpa)) 3244 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, 3245 data->tdls.reason_code); 3246 else 3247 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, 3248 data->tdls.peer); 3249 break; 3250 case TDLS_REQUEST_DISCOVER: 3251 wpa_tdls_send_discovery_request(wpa_s->wpa, 3252 data->tdls.peer); 3253 break; 3254 } 3255 } 3256 #endif /* CONFIG_TDLS */ 3257 3258 3259 #ifdef CONFIG_WNM 3260 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, 3261 union wpa_event_data *data) 3262 { 3263 if (data == NULL) 3264 return; 3265 switch (data->wnm.oper) { 3266 case WNM_OPER_SLEEP: 3267 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " 3268 "(action=%d, intval=%d)", 3269 data->wnm.sleep_action, data->wnm.sleep_intval); 3270 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, 3271 data->wnm.sleep_intval, NULL); 3272 break; 3273 } 3274 } 3275 #endif /* CONFIG_WNM */ 3276 3277 3278 #ifdef CONFIG_IEEE80211R 3279 static void 3280 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, 3281 union wpa_event_data *data) 3282 { 3283 if (data == NULL) 3284 return; 3285 3286 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, 3287 data->ft_ies.ies_len, 3288 data->ft_ies.ft_action, 3289 data->ft_ies.target_ap, 3290 data->ft_ies.ric_ies, 3291 data->ft_ies.ric_ies_len) < 0) { 3292 /* TODO: prevent MLME/driver from trying to associate? */ 3293 } 3294 } 3295 #endif /* CONFIG_IEEE80211R */ 3296 3297 3298 #ifdef CONFIG_IBSS_RSN 3299 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, 3300 union wpa_event_data *data) 3301 { 3302 struct wpa_ssid *ssid; 3303 if (wpa_s->wpa_state < WPA_ASSOCIATED) 3304 return; 3305 if (data == NULL) 3306 return; 3307 ssid = wpa_s->current_ssid; 3308 if (ssid == NULL) 3309 return; 3310 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 3311 return; 3312 3313 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); 3314 } 3315 3316 3317 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s, 3318 union wpa_event_data *data) 3319 { 3320 struct wpa_ssid *ssid = wpa_s->current_ssid; 3321 3322 if (ssid == NULL) 3323 return; 3324 3325 /* check if the ssid is correctly configured as IBSS/RSN */ 3326 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 3327 return; 3328 3329 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame, 3330 data->rx_mgmt.frame_len); 3331 } 3332 #endif /* CONFIG_IBSS_RSN */ 3333 3334 3335 #ifdef CONFIG_IEEE80211R 3336 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, 3337 size_t len) 3338 { 3339 const u8 *sta_addr, *target_ap_addr; 3340 u16 status; 3341 3342 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); 3343 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 3344 return; /* only SME case supported for now */ 3345 if (len < 1 + 2 * ETH_ALEN + 2) 3346 return; 3347 if (data[0] != 2) 3348 return; /* Only FT Action Response is supported for now */ 3349 sta_addr = data + 1; 3350 target_ap_addr = data + 1 + ETH_ALEN; 3351 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); 3352 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " 3353 MACSTR " TargetAP " MACSTR " status %u", 3354 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); 3355 3356 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { 3357 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR 3358 " in FT Action Response", MAC2STR(sta_addr)); 3359 return; 3360 } 3361 3362 if (status) { 3363 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " 3364 "failure (status code %d)", status); 3365 /* TODO: report error to FT code(?) */ 3366 return; 3367 } 3368 3369 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, 3370 len - (1 + 2 * ETH_ALEN + 2), 1, 3371 target_ap_addr, NULL, 0) < 0) 3372 return; 3373 3374 #ifdef CONFIG_SME 3375 { 3376 struct wpa_bss *bss; 3377 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); 3378 if (bss) 3379 wpa_s->sme.freq = bss->freq; 3380 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; 3381 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, 3382 WLAN_AUTH_FT); 3383 } 3384 #endif /* CONFIG_SME */ 3385 } 3386 #endif /* CONFIG_IEEE80211R */ 3387 3388 3389 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, 3390 struct unprot_deauth *e) 3391 { 3392 #ifdef CONFIG_IEEE80211W 3393 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " 3394 "dropped: " MACSTR " -> " MACSTR 3395 " (reason code %u)", 3396 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 3397 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 3398 #endif /* CONFIG_IEEE80211W */ 3399 } 3400 3401 3402 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, 3403 struct unprot_disassoc *e) 3404 { 3405 #ifdef CONFIG_IEEE80211W 3406 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " 3407 "dropped: " MACSTR " -> " MACSTR 3408 " (reason code %u)", 3409 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 3410 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 3411 #endif /* CONFIG_IEEE80211W */ 3412 } 3413 3414 3415 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr, 3416 u16 reason_code, int locally_generated, 3417 const u8 *ie, size_t ie_len, int deauth) 3418 { 3419 #ifdef CONFIG_AP 3420 if (wpa_s->ap_iface && addr) { 3421 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr); 3422 return; 3423 } 3424 3425 if (wpa_s->ap_iface) { 3426 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode"); 3427 return; 3428 } 3429 #endif /* CONFIG_AP */ 3430 3431 if (!locally_generated) 3432 wpa_s->own_disconnect_req = 0; 3433 3434 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated); 3435 3436 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || 3437 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || 3438 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && 3439 eapol_sm_failed(wpa_s->eapol))) && 3440 !wpa_s->eap_expected_failure)) 3441 wpas_auth_failed(wpa_s, "AUTH_FAILED"); 3442 3443 #ifdef CONFIG_P2P 3444 if (deauth && reason_code > 0) { 3445 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len, 3446 locally_generated) > 0) { 3447 /* 3448 * The interface was removed, so cannot continue 3449 * processing any additional operations after this. 3450 */ 3451 return; 3452 } 3453 } 3454 #endif /* CONFIG_P2P */ 3455 3456 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, 3457 locally_generated); 3458 } 3459 3460 3461 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s, 3462 struct disassoc_info *info) 3463 { 3464 u16 reason_code = 0; 3465 int locally_generated = 0; 3466 const u8 *addr = NULL; 3467 const u8 *ie = NULL; 3468 size_t ie_len = 0; 3469 3470 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); 3471 3472 if (info) { 3473 addr = info->addr; 3474 ie = info->ie; 3475 ie_len = info->ie_len; 3476 reason_code = info->reason_code; 3477 locally_generated = info->locally_generated; 3478 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code, 3479 locally_generated ? " (locally generated)" : ""); 3480 if (addr) 3481 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 3482 MAC2STR(addr)); 3483 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", 3484 ie, ie_len); 3485 } 3486 3487 #ifdef CONFIG_AP 3488 if (wpa_s->ap_iface && info && info->addr) { 3489 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr); 3490 return; 3491 } 3492 3493 if (wpa_s->ap_iface) { 3494 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode"); 3495 return; 3496 } 3497 #endif /* CONFIG_AP */ 3498 3499 #ifdef CONFIG_P2P 3500 if (info) { 3501 wpas_p2p_disassoc_notif( 3502 wpa_s, info->addr, reason_code, info->ie, info->ie_len, 3503 locally_generated); 3504 } 3505 #endif /* CONFIG_P2P */ 3506 3507 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 3508 sme_event_disassoc(wpa_s, info); 3509 3510 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated, 3511 ie, ie_len, 0); 3512 } 3513 3514 3515 static void wpas_event_deauth(struct wpa_supplicant *wpa_s, 3516 struct deauth_info *info) 3517 { 3518 u16 reason_code = 0; 3519 int locally_generated = 0; 3520 const u8 *addr = NULL; 3521 const u8 *ie = NULL; 3522 size_t ie_len = 0; 3523 3524 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification"); 3525 3526 if (info) { 3527 addr = info->addr; 3528 ie = info->ie; 3529 ie_len = info->ie_len; 3530 reason_code = info->reason_code; 3531 locally_generated = info->locally_generated; 3532 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", 3533 reason_code, 3534 locally_generated ? " (locally generated)" : ""); 3535 if (addr) { 3536 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 3537 MAC2STR(addr)); 3538 } 3539 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)", 3540 ie, ie_len); 3541 } 3542 3543 wpa_reset_ft_completed(wpa_s->wpa); 3544 3545 wpas_event_disconnect(wpa_s, addr, reason_code, 3546 locally_generated, ie, ie_len, 1); 3547 } 3548 3549 3550 static const char * reg_init_str(enum reg_change_initiator init) 3551 { 3552 switch (init) { 3553 case REGDOM_SET_BY_CORE: 3554 return "CORE"; 3555 case REGDOM_SET_BY_USER: 3556 return "USER"; 3557 case REGDOM_SET_BY_DRIVER: 3558 return "DRIVER"; 3559 case REGDOM_SET_BY_COUNTRY_IE: 3560 return "COUNTRY_IE"; 3561 case REGDOM_BEACON_HINT: 3562 return "BEACON_HINT"; 3563 } 3564 return "?"; 3565 } 3566 3567 3568 static const char * reg_type_str(enum reg_type type) 3569 { 3570 switch (type) { 3571 case REGDOM_TYPE_UNKNOWN: 3572 return "UNKNOWN"; 3573 case REGDOM_TYPE_COUNTRY: 3574 return "COUNTRY"; 3575 case REGDOM_TYPE_WORLD: 3576 return "WORLD"; 3577 case REGDOM_TYPE_CUSTOM_WORLD: 3578 return "CUSTOM_WORLD"; 3579 case REGDOM_TYPE_INTERSECTION: 3580 return "INTERSECTION"; 3581 } 3582 return "?"; 3583 } 3584 3585 3586 static void wpa_supplicant_update_channel_list( 3587 struct wpa_supplicant *wpa_s, struct channel_list_changed *info) 3588 { 3589 struct wpa_supplicant *ifs; 3590 u8 dfs_domain; 3591 3592 /* 3593 * To allow backwards compatibility with higher level layers that 3594 * assumed the REGDOM_CHANGE event is sent over the initially added 3595 * interface. Find the highest parent of this interface and use it to 3596 * send the event. 3597 */ 3598 for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent) 3599 ; 3600 3601 wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s", 3602 reg_init_str(info->initiator), reg_type_str(info->type), 3603 info->alpha2[0] ? " alpha2=" : "", 3604 info->alpha2[0] ? info->alpha2 : ""); 3605 3606 if (wpa_s->drv_priv == NULL) 3607 return; /* Ignore event during drv initialization */ 3608 3609 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, 3610 radio_list) { 3611 wpa_printf(MSG_DEBUG, "%s: Updating hw mode", 3612 ifs->ifname); 3613 free_hw_features(ifs); 3614 ifs->hw.modes = wpa_drv_get_hw_feature_data( 3615 ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain); 3616 3617 /* Restart PNO/sched_scan with updated channel list */ 3618 if (ifs->pno) { 3619 wpas_stop_pno(ifs); 3620 wpas_start_pno(ifs); 3621 } else if (ifs->sched_scanning && !ifs->pno_sched_pending) { 3622 wpa_dbg(ifs, MSG_DEBUG, 3623 "Channel list changed - restart sched_scan"); 3624 wpas_scan_restart_sched_scan(ifs); 3625 } 3626 } 3627 3628 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER); 3629 } 3630 3631 3632 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s, 3633 const u8 *frame, size_t len, int freq, 3634 int rssi) 3635 { 3636 const struct ieee80211_mgmt *mgmt; 3637 const u8 *payload; 3638 size_t plen; 3639 u8 category; 3640 3641 if (len < IEEE80211_HDRLEN + 2) 3642 return; 3643 3644 mgmt = (const struct ieee80211_mgmt *) frame; 3645 payload = frame + IEEE80211_HDRLEN; 3646 category = *payload++; 3647 plen = len - IEEE80211_HDRLEN - 1; 3648 3649 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR 3650 " Category=%u DataLen=%d freq=%d MHz", 3651 MAC2STR(mgmt->sa), category, (int) plen, freq); 3652 3653 if (category == WLAN_ACTION_WMM) { 3654 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen); 3655 return; 3656 } 3657 3658 #ifdef CONFIG_IEEE80211R 3659 if (category == WLAN_ACTION_FT) { 3660 ft_rx_action(wpa_s, payload, plen); 3661 return; 3662 } 3663 #endif /* CONFIG_IEEE80211R */ 3664 3665 #ifdef CONFIG_IEEE80211W 3666 #ifdef CONFIG_SME 3667 if (category == WLAN_ACTION_SA_QUERY) { 3668 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen); 3669 return; 3670 } 3671 #endif /* CONFIG_SME */ 3672 #endif /* CONFIG_IEEE80211W */ 3673 3674 #ifdef CONFIG_WNM 3675 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 3676 ieee802_11_rx_wnm_action(wpa_s, mgmt, len); 3677 return; 3678 } 3679 #endif /* CONFIG_WNM */ 3680 3681 #ifdef CONFIG_GAS 3682 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 3683 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 3684 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid, 3685 mgmt->u.action.category, 3686 payload, plen, freq) == 0) 3687 return; 3688 #endif /* CONFIG_GAS */ 3689 3690 #ifdef CONFIG_GAS_SERVER 3691 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || 3692 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && 3693 gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid, 3694 mgmt->u.action.category, 3695 payload, plen, freq) == 0) 3696 return; 3697 #endif /* CONFIG_GAS_SERVER */ 3698 3699 #ifdef CONFIG_TDLS 3700 if (category == WLAN_ACTION_PUBLIC && plen >= 4 && 3701 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { 3702 wpa_dbg(wpa_s, MSG_DEBUG, 3703 "TDLS: Received Discovery Response from " MACSTR, 3704 MAC2STR(mgmt->sa)); 3705 return; 3706 } 3707 #endif /* CONFIG_TDLS */ 3708 3709 #ifdef CONFIG_INTERWORKING 3710 if (category == WLAN_ACTION_QOS && plen >= 1 && 3711 payload[0] == QOS_QOS_MAP_CONFIG) { 3712 const u8 *pos = payload + 1; 3713 size_t qlen = plen - 1; 3714 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from " 3715 MACSTR, MAC2STR(mgmt->sa)); 3716 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 && 3717 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET && 3718 pos[1] <= qlen - 2 && pos[1] >= 16) 3719 wpas_qos_map_set(wpa_s, pos + 2, pos[1]); 3720 return; 3721 } 3722 #endif /* CONFIG_INTERWORKING */ 3723 3724 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 3725 payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) { 3726 wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa, 3727 mgmt->da, 3728 payload + 1, 3729 plen - 1); 3730 return; 3731 } 3732 3733 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 3734 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) { 3735 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1); 3736 return; 3737 } 3738 3739 if (category == WLAN_ACTION_RADIO_MEASUREMENT && 3740 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) { 3741 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa, 3742 payload + 1, plen - 1, 3743 rssi); 3744 return; 3745 } 3746 3747 #ifdef CONFIG_FST 3748 if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) { 3749 fst_rx_action(wpa_s->fst, mgmt, len); 3750 return; 3751 } 3752 #endif /* CONFIG_FST */ 3753 3754 #ifdef CONFIG_DPP 3755 if (category == WLAN_ACTION_PUBLIC && plen >= 5 && 3756 payload[0] == WLAN_PA_VENDOR_SPECIFIC && 3757 WPA_GET_BE24(&payload[1]) == OUI_WFA && 3758 payload[4] == DPP_OUI_TYPE) { 3759 payload++; 3760 plen--; 3761 wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq); 3762 return; 3763 } 3764 #endif /* CONFIG_DPP */ 3765 3766 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, 3767 category, payload, plen, freq); 3768 if (wpa_s->ifmsh) 3769 mesh_mpm_action_rx(wpa_s, mgmt, len); 3770 } 3771 3772 3773 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s, 3774 union wpa_event_data *event) 3775 { 3776 struct wpa_freq_range_list *list; 3777 char *str = NULL; 3778 3779 list = &event->freq_range; 3780 3781 if (list->num) 3782 str = freq_range_list_str(list); 3783 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s", 3784 str ? str : ""); 3785 3786 #ifdef CONFIG_P2P 3787 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) { 3788 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range", 3789 __func__); 3790 } else { 3791 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event"); 3792 3793 /* 3794 * The update channel flow will also take care of moving a GO 3795 * from the unsafe frequency if needed. 3796 */ 3797 wpas_p2p_update_channel_list(wpa_s, 3798 WPAS_P2P_CHANNEL_UPDATE_AVOID); 3799 } 3800 #endif /* CONFIG_P2P */ 3801 3802 os_free(str); 3803 } 3804 3805 3806 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s) 3807 { 3808 if (wpa_s->wpa_state == WPA_ASSOCIATED) { 3809 wpa_supplicant_cancel_auth_timeout(wpa_s); 3810 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 3811 eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 3812 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); 3813 } 3814 } 3815 3816 3817 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s, 3818 int freq) 3819 { 3820 size_t i; 3821 int j; 3822 3823 for (i = 0; i < wpa_s->hw.num_modes; i++) { 3824 const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; 3825 3826 for (j = 0; j < mode->num_channels; j++) { 3827 const struct hostapd_channel_data *chan; 3828 3829 chan = &mode->channels[j]; 3830 if (chan->freq == freq) 3831 return chan->dfs_cac_ms; 3832 } 3833 } 3834 3835 return 0; 3836 } 3837 3838 3839 static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s, 3840 struct dfs_event *radar) 3841 { 3842 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 3843 if (wpa_s->ap_iface) { 3844 wpas_ap_event_dfs_cac_started(wpa_s, radar); 3845 } else 3846 #endif /* NEED_AP_MLME && CONFIG_AP */ 3847 { 3848 unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq); 3849 3850 cac_time /= 1000; /* convert from ms to sec */ 3851 if (!cac_time) 3852 cac_time = 10 * 60; /* max timeout: 10 minutes */ 3853 3854 /* Restart auth timeout: CAC time added to initial timeout */ 3855 wpas_auth_timeout_restart(wpa_s, cac_time); 3856 } 3857 } 3858 3859 3860 static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s, 3861 struct dfs_event *radar) 3862 { 3863 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 3864 if (wpa_s->ap_iface) { 3865 wpas_ap_event_dfs_cac_finished(wpa_s, radar); 3866 } else 3867 #endif /* NEED_AP_MLME && CONFIG_AP */ 3868 { 3869 /* Restart auth timeout with original value after CAC is 3870 * finished */ 3871 wpas_auth_timeout_restart(wpa_s, 0); 3872 } 3873 } 3874 3875 3876 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s, 3877 struct dfs_event *radar) 3878 { 3879 #if defined(NEED_AP_MLME) && defined(CONFIG_AP) 3880 if (wpa_s->ap_iface) { 3881 wpas_ap_event_dfs_cac_aborted(wpa_s, radar); 3882 } else 3883 #endif /* NEED_AP_MLME && CONFIG_AP */ 3884 { 3885 /* Restart auth timeout with original value after CAC is 3886 * aborted */ 3887 wpas_auth_timeout_restart(wpa_s, 0); 3888 } 3889 } 3890 3891 3892 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s, 3893 union wpa_event_data *data) 3894 { 3895 wpa_dbg(wpa_s, MSG_DEBUG, 3896 "Connection authorized by device, previous state %d", 3897 wpa_s->wpa_state); 3898 3899 wpa_supplicant_event_port_authorized(wpa_s); 3900 3901 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr); 3902 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck, 3903 data->assoc_info.ptk_kck_len, 3904 data->assoc_info.ptk_kek, 3905 data->assoc_info.ptk_kek_len); 3906 #ifdef CONFIG_FILS 3907 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 3908 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 3909 const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); 3910 3911 /* Update ERP next sequence number */ 3912 eapol_sm_update_erp_next_seq_num( 3913 wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num); 3914 3915 if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) { 3916 /* Add the new PMK and PMKID to the PMKSA cache */ 3917 wpa_sm_pmksa_cache_add(wpa_s->wpa, 3918 data->assoc_info.fils_pmk, 3919 data->assoc_info.fils_pmk_len, 3920 data->assoc_info.fils_pmkid, 3921 wpa_s->bssid, fils_cache_id); 3922 } else if (data->assoc_info.fils_pmkid) { 3923 /* Update the current PMKSA used for this connection */ 3924 pmksa_cache_set_current(wpa_s->wpa, 3925 data->assoc_info.fils_pmkid, 3926 NULL, NULL, 0, NULL, 0); 3927 } 3928 } 3929 #endif /* CONFIG_FILS */ 3930 } 3931 3932 3933 static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s, 3934 union wpa_event_data *data) 3935 { 3936 const u8 *bssid = data->assoc_reject.bssid; 3937 3938 if (!bssid || is_zero_ether_addr(bssid)) 3939 bssid = wpa_s->pending_bssid; 3940 3941 if (data->assoc_reject.bssid) 3942 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 3943 "bssid=" MACSTR " status_code=%u%s%s%s", 3944 MAC2STR(data->assoc_reject.bssid), 3945 data->assoc_reject.status_code, 3946 data->assoc_reject.timed_out ? " timeout" : "", 3947 data->assoc_reject.timeout_reason ? "=" : "", 3948 data->assoc_reject.timeout_reason ? 3949 data->assoc_reject.timeout_reason : ""); 3950 else 3951 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 3952 "status_code=%u%s%s%s", 3953 data->assoc_reject.status_code, 3954 data->assoc_reject.timed_out ? " timeout" : "", 3955 data->assoc_reject.timeout_reason ? "=" : "", 3956 data->assoc_reject.timeout_reason ? 3957 data->assoc_reject.timeout_reason : ""); 3958 wpa_s->assoc_status_code = data->assoc_reject.status_code; 3959 wpas_notify_assoc_status_code(wpa_s); 3960 3961 #ifdef CONFIG_OWE 3962 if (data->assoc_reject.status_code == 3963 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED && 3964 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && 3965 wpa_s->current_ssid && 3966 wpa_s->current_ssid->owe_group == 0 && 3967 wpa_s->last_owe_group != 21) { 3968 struct wpa_ssid *ssid = wpa_s->current_ssid; 3969 struct wpa_bss *bss = wpa_s->current_bss; 3970 3971 if (!bss) { 3972 bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 3973 if (!bss) { 3974 wpas_connection_failed(wpa_s, bssid); 3975 wpa_supplicant_mark_disassoc(wpa_s); 3976 return; 3977 } 3978 } 3979 wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group"); 3980 wpas_connect_work_done(wpa_s); 3981 wpa_supplicant_mark_disassoc(wpa_s); 3982 wpa_supplicant_connect(wpa_s, bss, ssid); 3983 return; 3984 } 3985 #endif /* CONFIG_OWE */ 3986 3987 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 3988 sme_event_assoc_reject(wpa_s, data); 3989 return; 3990 } 3991 3992 /* Driver-based SME cases */ 3993 3994 #ifdef CONFIG_SAE 3995 if (wpa_s->current_ssid && 3996 wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) && 3997 !data->assoc_reject.timed_out) { 3998 wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry"); 3999 wpa_sm_aborted_cached(wpa_s->wpa); 4000 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 4001 } 4002 #endif /* CONFIG_SAE */ 4003 4004 #ifdef CONFIG_DPP 4005 if (wpa_s->current_ssid && 4006 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP && 4007 !data->assoc_reject.timed_out) { 4008 wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry"); 4009 wpa_sm_aborted_cached(wpa_s->wpa); 4010 wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); 4011 } 4012 #endif /* CONFIG_DPP */ 4013 4014 #ifdef CONFIG_FILS 4015 /* Update ERP next sequence number */ 4016 if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { 4017 eapol_sm_update_erp_next_seq_num( 4018 wpa_s->eapol, 4019 data->assoc_reject.fils_erp_next_seq_num); 4020 fils_connection_failure(wpa_s); 4021 } 4022 #endif /* CONFIG_FILS */ 4023 4024 wpas_connection_failed(wpa_s, bssid); 4025 wpa_supplicant_mark_disassoc(wpa_s); 4026 } 4027 4028 4029 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 4030 union wpa_event_data *data) 4031 { 4032 struct wpa_supplicant *wpa_s = ctx; 4033 int resched; 4034 #ifndef CONFIG_NO_STDOUT_DEBUG 4035 int level = MSG_DEBUG; 4036 #endif /* CONFIG_NO_STDOUT_DEBUG */ 4037 4038 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && 4039 event != EVENT_INTERFACE_ENABLED && 4040 event != EVENT_INTERFACE_STATUS && 4041 event != EVENT_SCAN_RESULTS && 4042 event != EVENT_SCHED_SCAN_STOPPED) { 4043 wpa_dbg(wpa_s, MSG_DEBUG, 4044 "Ignore event %s (%d) while interface is disabled", 4045 event_to_string(event), event); 4046 return; 4047 } 4048 4049 #ifndef CONFIG_NO_STDOUT_DEBUG 4050 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { 4051 const struct ieee80211_hdr *hdr; 4052 u16 fc; 4053 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 4054 fc = le_to_host16(hdr->frame_control); 4055 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 4056 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 4057 level = MSG_EXCESSIVE; 4058 } 4059 4060 wpa_dbg(wpa_s, level, "Event %s (%d) received", 4061 event_to_string(event), event); 4062 #endif /* CONFIG_NO_STDOUT_DEBUG */ 4063 4064 switch (event) { 4065 case EVENT_AUTH: 4066 #ifdef CONFIG_FST 4067 if (!wpas_fst_update_mbie(wpa_s, data->auth.ies, 4068 data->auth.ies_len)) 4069 wpa_printf(MSG_DEBUG, 4070 "FST: MB IEs updated from auth IE"); 4071 #endif /* CONFIG_FST */ 4072 sme_event_auth(wpa_s, data); 4073 break; 4074 case EVENT_ASSOC: 4075 #ifdef CONFIG_TESTING_OPTIONS 4076 if (wpa_s->ignore_auth_resp) { 4077 wpa_printf(MSG_INFO, 4078 "EVENT_ASSOC - ignore_auth_resp active!"); 4079 break; 4080 } 4081 if (wpa_s->testing_resend_assoc) { 4082 wpa_printf(MSG_INFO, 4083 "EVENT_DEAUTH - testing_resend_assoc"); 4084 break; 4085 } 4086 #endif /* CONFIG_TESTING_OPTIONS */ 4087 wpa_supplicant_event_assoc(wpa_s, data); 4088 wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS; 4089 if (data && 4090 (data->assoc_info.authorized || 4091 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 4092 wpa_fils_is_completed(wpa_s->wpa)))) 4093 wpa_supplicant_event_assoc_auth(wpa_s, data); 4094 if (data) { 4095 wpa_msg(wpa_s, MSG_INFO, 4096 WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u", 4097 data->assoc_info.subnet_status); 4098 } 4099 break; 4100 case EVENT_DISASSOC: 4101 wpas_event_disassoc(wpa_s, 4102 data ? &data->disassoc_info : NULL); 4103 break; 4104 case EVENT_DEAUTH: 4105 #ifdef CONFIG_TESTING_OPTIONS 4106 if (wpa_s->ignore_auth_resp) { 4107 wpa_printf(MSG_INFO, 4108 "EVENT_DEAUTH - ignore_auth_resp active!"); 4109 break; 4110 } 4111 if (wpa_s->testing_resend_assoc) { 4112 wpa_printf(MSG_INFO, 4113 "EVENT_DEAUTH - testing_resend_assoc"); 4114 break; 4115 } 4116 #endif /* CONFIG_TESTING_OPTIONS */ 4117 wpas_event_deauth(wpa_s, 4118 data ? &data->deauth_info : NULL); 4119 break; 4120 case EVENT_MICHAEL_MIC_FAILURE: 4121 wpa_supplicant_event_michael_mic_failure(wpa_s, data); 4122 break; 4123 #ifndef CONFIG_NO_SCAN_PROCESSING 4124 case EVENT_SCAN_STARTED: 4125 if (wpa_s->own_scan_requested || 4126 (data && !data->scan_info.external_scan)) { 4127 struct os_reltime diff; 4128 4129 os_get_reltime(&wpa_s->scan_start_time); 4130 os_reltime_sub(&wpa_s->scan_start_time, 4131 &wpa_s->scan_trigger_time, &diff); 4132 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds", 4133 diff.sec, diff.usec); 4134 wpa_s->own_scan_requested = 0; 4135 wpa_s->own_scan_running = 1; 4136 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && 4137 wpa_s->manual_scan_use_id) { 4138 wpa_msg_ctrl(wpa_s, MSG_INFO, 4139 WPA_EVENT_SCAN_STARTED "id=%u", 4140 wpa_s->manual_scan_id); 4141 } else { 4142 wpa_msg_ctrl(wpa_s, MSG_INFO, 4143 WPA_EVENT_SCAN_STARTED); 4144 } 4145 } else { 4146 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan"); 4147 wpa_s->radio->external_scan_running = 1; 4148 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED); 4149 } 4150 break; 4151 case EVENT_SCAN_RESULTS: 4152 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 4153 wpa_s->scan_res_handler = NULL; 4154 wpa_s->own_scan_running = 0; 4155 wpa_s->radio->external_scan_running = 0; 4156 wpa_s->last_scan_req = NORMAL_SCAN_REQ; 4157 break; 4158 } 4159 4160 if (!(data && data->scan_info.external_scan) && 4161 os_reltime_initialized(&wpa_s->scan_start_time)) { 4162 struct os_reltime now, diff; 4163 os_get_reltime(&now); 4164 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff); 4165 wpa_s->scan_start_time.sec = 0; 4166 wpa_s->scan_start_time.usec = 0; 4167 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds", 4168 diff.sec, diff.usec); 4169 } 4170 if (wpa_supplicant_event_scan_results(wpa_s, data)) 4171 break; /* interface may have been removed */ 4172 if (!(data && data->scan_info.external_scan)) 4173 wpa_s->own_scan_running = 0; 4174 if (data && data->scan_info.nl_scan_event) 4175 wpa_s->radio->external_scan_running = 0; 4176 radio_work_check_next(wpa_s); 4177 break; 4178 #endif /* CONFIG_NO_SCAN_PROCESSING */ 4179 case EVENT_ASSOCINFO: 4180 wpa_supplicant_event_associnfo(wpa_s, data); 4181 break; 4182 case EVENT_INTERFACE_STATUS: 4183 wpa_supplicant_event_interface_status(wpa_s, data); 4184 break; 4185 case EVENT_PMKID_CANDIDATE: 4186 wpa_supplicant_event_pmkid_candidate(wpa_s, data); 4187 break; 4188 #ifdef CONFIG_TDLS 4189 case EVENT_TDLS: 4190 wpa_supplicant_event_tdls(wpa_s, data); 4191 break; 4192 #endif /* CONFIG_TDLS */ 4193 #ifdef CONFIG_WNM 4194 case EVENT_WNM: 4195 wpa_supplicant_event_wnm(wpa_s, data); 4196 break; 4197 #endif /* CONFIG_WNM */ 4198 #ifdef CONFIG_IEEE80211R 4199 case EVENT_FT_RESPONSE: 4200 wpa_supplicant_event_ft_response(wpa_s, data); 4201 break; 4202 #endif /* CONFIG_IEEE80211R */ 4203 #ifdef CONFIG_IBSS_RSN 4204 case EVENT_IBSS_RSN_START: 4205 wpa_supplicant_event_ibss_rsn_start(wpa_s, data); 4206 break; 4207 #endif /* CONFIG_IBSS_RSN */ 4208 case EVENT_ASSOC_REJECT: 4209 wpas_event_assoc_reject(wpa_s, data); 4210 break; 4211 case EVENT_AUTH_TIMED_OUT: 4212 /* It is possible to get this event from earlier connection */ 4213 if (wpa_s->current_ssid && 4214 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 4215 wpa_dbg(wpa_s, MSG_DEBUG, 4216 "Ignore AUTH_TIMED_OUT in mesh configuration"); 4217 break; 4218 } 4219 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 4220 sme_event_auth_timed_out(wpa_s, data); 4221 break; 4222 case EVENT_ASSOC_TIMED_OUT: 4223 /* It is possible to get this event from earlier connection */ 4224 if (wpa_s->current_ssid && 4225 wpa_s->current_ssid->mode == WPAS_MODE_MESH) { 4226 wpa_dbg(wpa_s, MSG_DEBUG, 4227 "Ignore ASSOC_TIMED_OUT in mesh configuration"); 4228 break; 4229 } 4230 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 4231 sme_event_assoc_timed_out(wpa_s, data); 4232 break; 4233 case EVENT_TX_STATUS: 4234 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR 4235 " type=%d stype=%d", 4236 MAC2STR(data->tx_status.dst), 4237 data->tx_status.type, data->tx_status.stype); 4238 #ifdef CONFIG_AP 4239 if (wpa_s->ap_iface == NULL) { 4240 #ifdef CONFIG_OFFCHANNEL 4241 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 4242 data->tx_status.stype == WLAN_FC_STYPE_ACTION) 4243 offchannel_send_action_tx_status( 4244 wpa_s, data->tx_status.dst, 4245 data->tx_status.data, 4246 data->tx_status.data_len, 4247 data->tx_status.ack ? 4248 OFFCHANNEL_SEND_ACTION_SUCCESS : 4249 OFFCHANNEL_SEND_ACTION_NO_ACK); 4250 #endif /* CONFIG_OFFCHANNEL */ 4251 break; 4252 } 4253 #endif /* CONFIG_AP */ 4254 #ifdef CONFIG_OFFCHANNEL 4255 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" 4256 MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst)); 4257 /* 4258 * Catch TX status events for Action frames we sent via group 4259 * interface in GO mode, or via standalone AP interface. 4260 * Note, wpa_s->p2pdev will be the same as wpa_s->parent, 4261 * except when the primary interface is used as a GO interface 4262 * (for drivers which do not have group interface concurrency) 4263 */ 4264 if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 4265 data->tx_status.stype == WLAN_FC_STYPE_ACTION && 4266 os_memcmp(wpa_s->p2pdev->pending_action_dst, 4267 data->tx_status.dst, ETH_ALEN) == 0) { 4268 offchannel_send_action_tx_status( 4269 wpa_s->p2pdev, data->tx_status.dst, 4270 data->tx_status.data, 4271 data->tx_status.data_len, 4272 data->tx_status.ack ? 4273 OFFCHANNEL_SEND_ACTION_SUCCESS : 4274 OFFCHANNEL_SEND_ACTION_NO_ACK); 4275 break; 4276 } 4277 #endif /* CONFIG_OFFCHANNEL */ 4278 #ifdef CONFIG_AP 4279 switch (data->tx_status.type) { 4280 case WLAN_FC_TYPE_MGMT: 4281 ap_mgmt_tx_cb(wpa_s, data->tx_status.data, 4282 data->tx_status.data_len, 4283 data->tx_status.stype, 4284 data->tx_status.ack); 4285 break; 4286 case WLAN_FC_TYPE_DATA: 4287 ap_tx_status(wpa_s, data->tx_status.dst, 4288 data->tx_status.data, 4289 data->tx_status.data_len, 4290 data->tx_status.ack); 4291 break; 4292 } 4293 #endif /* CONFIG_AP */ 4294 break; 4295 #ifdef CONFIG_AP 4296 case EVENT_EAPOL_TX_STATUS: 4297 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, 4298 data->eapol_tx_status.data, 4299 data->eapol_tx_status.data_len, 4300 data->eapol_tx_status.ack); 4301 break; 4302 case EVENT_DRIVER_CLIENT_POLL_OK: 4303 ap_client_poll_ok(wpa_s, data->client_poll.addr); 4304 break; 4305 case EVENT_RX_FROM_UNKNOWN: 4306 if (wpa_s->ap_iface == NULL) 4307 break; 4308 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, 4309 data->rx_from_unknown.wds); 4310 break; 4311 #endif /* CONFIG_AP */ 4312 case EVENT_CH_SWITCH: 4313 if (!data || !wpa_s->current_ssid) 4314 break; 4315 4316 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH 4317 "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d", 4318 data->ch_switch.freq, 4319 data->ch_switch.ht_enabled, 4320 data->ch_switch.ch_offset, 4321 channel_width_to_string(data->ch_switch.ch_width), 4322 data->ch_switch.cf1, 4323 data->ch_switch.cf2); 4324 4325 wpa_s->assoc_freq = data->ch_switch.freq; 4326 wpa_s->current_ssid->frequency = data->ch_switch.freq; 4327 4328 #ifdef CONFIG_AP 4329 if (wpa_s->current_ssid->mode == WPAS_MODE_AP || 4330 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO || 4331 wpa_s->current_ssid->mode == 4332 WPAS_MODE_P2P_GROUP_FORMATION) { 4333 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, 4334 data->ch_switch.ht_enabled, 4335 data->ch_switch.ch_offset, 4336 data->ch_switch.ch_width, 4337 data->ch_switch.cf1, 4338 data->ch_switch.cf2); 4339 } 4340 #endif /* CONFIG_AP */ 4341 4342 wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS); 4343 wnm_clear_coloc_intf_reporting(wpa_s); 4344 break; 4345 #ifdef CONFIG_AP 4346 #ifdef NEED_AP_MLME 4347 case EVENT_DFS_RADAR_DETECTED: 4348 if (data) 4349 wpas_ap_event_dfs_radar_detected(wpa_s, 4350 &data->dfs_event); 4351 break; 4352 case EVENT_DFS_NOP_FINISHED: 4353 if (data) 4354 wpas_ap_event_dfs_cac_nop_finished(wpa_s, 4355 &data->dfs_event); 4356 break; 4357 #endif /* NEED_AP_MLME */ 4358 #endif /* CONFIG_AP */ 4359 case EVENT_DFS_CAC_STARTED: 4360 if (data) 4361 wpas_event_dfs_cac_started(wpa_s, &data->dfs_event); 4362 break; 4363 case EVENT_DFS_CAC_FINISHED: 4364 if (data) 4365 wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event); 4366 break; 4367 case EVENT_DFS_CAC_ABORTED: 4368 if (data) 4369 wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event); 4370 break; 4371 case EVENT_RX_MGMT: { 4372 u16 fc, stype; 4373 const struct ieee80211_mgmt *mgmt; 4374 4375 #ifdef CONFIG_TESTING_OPTIONS 4376 if (wpa_s->ext_mgmt_frame_handling) { 4377 struct rx_mgmt *rx = &data->rx_mgmt; 4378 size_t hex_len = 2 * rx->frame_len + 1; 4379 char *hex = os_malloc(hex_len); 4380 if (hex) { 4381 wpa_snprintf_hex(hex, hex_len, 4382 rx->frame, rx->frame_len); 4383 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s", 4384 rx->freq, rx->datarate, rx->ssi_signal, 4385 hex); 4386 os_free(hex); 4387 } 4388 break; 4389 } 4390 #endif /* CONFIG_TESTING_OPTIONS */ 4391 4392 mgmt = (const struct ieee80211_mgmt *) 4393 data->rx_mgmt.frame; 4394 fc = le_to_host16(mgmt->frame_control); 4395 stype = WLAN_FC_GET_STYPE(fc); 4396 4397 #ifdef CONFIG_AP 4398 if (wpa_s->ap_iface == NULL) { 4399 #endif /* CONFIG_AP */ 4400 #ifdef CONFIG_P2P 4401 if (stype == WLAN_FC_STYPE_PROBE_REQ && 4402 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 4403 const u8 *src = mgmt->sa; 4404 const u8 *ie; 4405 size_t ie_len; 4406 4407 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 4408 ie_len = data->rx_mgmt.frame_len - 4409 IEEE80211_HDRLEN; 4410 wpas_p2p_probe_req_rx( 4411 wpa_s, src, mgmt->da, 4412 mgmt->bssid, ie, ie_len, 4413 data->rx_mgmt.freq, 4414 data->rx_mgmt.ssi_signal); 4415 break; 4416 } 4417 #endif /* CONFIG_P2P */ 4418 #ifdef CONFIG_IBSS_RSN 4419 if (wpa_s->current_ssid && 4420 wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 4421 stype == WLAN_FC_STYPE_AUTH && 4422 data->rx_mgmt.frame_len >= 30) { 4423 wpa_supplicant_event_ibss_auth(wpa_s, data); 4424 break; 4425 } 4426 #endif /* CONFIG_IBSS_RSN */ 4427 4428 if (stype == WLAN_FC_STYPE_ACTION) { 4429 wpas_event_rx_mgmt_action( 4430 wpa_s, data->rx_mgmt.frame, 4431 data->rx_mgmt.frame_len, 4432 data->rx_mgmt.freq, 4433 data->rx_mgmt.ssi_signal); 4434 break; 4435 } 4436 4437 if (wpa_s->ifmsh) { 4438 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt); 4439 break; 4440 } 4441 4442 #ifdef CONFIG_SAE 4443 if (stype == WLAN_FC_STYPE_AUTH && 4444 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && 4445 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { 4446 sme_external_auth_mgmt_rx( 4447 wpa_s, data->rx_mgmt.frame, 4448 data->rx_mgmt.frame_len); 4449 break; 4450 } 4451 #endif /* CONFIG_SAE */ 4452 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " 4453 "management frame in non-AP mode"); 4454 break; 4455 #ifdef CONFIG_AP 4456 } 4457 4458 if (stype == WLAN_FC_STYPE_PROBE_REQ && 4459 data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { 4460 const u8 *ie; 4461 size_t ie_len; 4462 4463 ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; 4464 ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN; 4465 4466 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, 4467 mgmt->bssid, ie, ie_len, 4468 data->rx_mgmt.ssi_signal); 4469 } 4470 4471 ap_mgmt_rx(wpa_s, &data->rx_mgmt); 4472 #endif /* CONFIG_AP */ 4473 break; 4474 } 4475 case EVENT_RX_PROBE_REQ: 4476 if (data->rx_probe_req.sa == NULL || 4477 data->rx_probe_req.ie == NULL) 4478 break; 4479 #ifdef CONFIG_AP 4480 if (wpa_s->ap_iface) { 4481 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], 4482 data->rx_probe_req.sa, 4483 data->rx_probe_req.da, 4484 data->rx_probe_req.bssid, 4485 data->rx_probe_req.ie, 4486 data->rx_probe_req.ie_len, 4487 data->rx_probe_req.ssi_signal); 4488 break; 4489 } 4490 #endif /* CONFIG_AP */ 4491 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, 4492 data->rx_probe_req.da, 4493 data->rx_probe_req.bssid, 4494 data->rx_probe_req.ie, 4495 data->rx_probe_req.ie_len, 4496 0, 4497 data->rx_probe_req.ssi_signal); 4498 break; 4499 case EVENT_REMAIN_ON_CHANNEL: 4500 #ifdef CONFIG_OFFCHANNEL 4501 offchannel_remain_on_channel_cb( 4502 wpa_s, data->remain_on_channel.freq, 4503 data->remain_on_channel.duration); 4504 #endif /* CONFIG_OFFCHANNEL */ 4505 wpas_p2p_remain_on_channel_cb( 4506 wpa_s, data->remain_on_channel.freq, 4507 data->remain_on_channel.duration); 4508 break; 4509 case EVENT_CANCEL_REMAIN_ON_CHANNEL: 4510 #ifdef CONFIG_OFFCHANNEL 4511 offchannel_cancel_remain_on_channel_cb( 4512 wpa_s, data->remain_on_channel.freq); 4513 #endif /* CONFIG_OFFCHANNEL */ 4514 wpas_p2p_cancel_remain_on_channel_cb( 4515 wpa_s, data->remain_on_channel.freq); 4516 #ifdef CONFIG_DPP 4517 wpas_dpp_cancel_remain_on_channel_cb( 4518 wpa_s, data->remain_on_channel.freq); 4519 #endif /* CONFIG_DPP */ 4520 break; 4521 case EVENT_EAPOL_RX: 4522 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, 4523 data->eapol_rx.data, 4524 data->eapol_rx.data_len); 4525 break; 4526 case EVENT_SIGNAL_CHANGE: 4527 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE 4528 "above=%d signal=%d noise=%d txrate=%d", 4529 data->signal_change.above_threshold, 4530 data->signal_change.current_signal, 4531 data->signal_change.current_noise, 4532 data->signal_change.current_txrate); 4533 wpa_bss_update_level(wpa_s->current_bss, 4534 data->signal_change.current_signal); 4535 bgscan_notify_signal_change( 4536 wpa_s, data->signal_change.above_threshold, 4537 data->signal_change.current_signal, 4538 data->signal_change.current_noise, 4539 data->signal_change.current_txrate); 4540 break; 4541 case EVENT_INTERFACE_MAC_CHANGED: 4542 wpa_supplicant_update_mac_addr(wpa_s); 4543 break; 4544 case EVENT_INTERFACE_ENABLED: 4545 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); 4546 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 4547 wpa_supplicant_update_mac_addr(wpa_s); 4548 if (wpa_s->p2p_mgmt) { 4549 wpa_supplicant_set_state(wpa_s, 4550 WPA_DISCONNECTED); 4551 break; 4552 } 4553 4554 #ifdef CONFIG_AP 4555 if (!wpa_s->ap_iface) { 4556 wpa_supplicant_set_state(wpa_s, 4557 WPA_DISCONNECTED); 4558 wpa_s->scan_req = NORMAL_SCAN_REQ; 4559 wpa_supplicant_req_scan(wpa_s, 0, 0); 4560 } else 4561 wpa_supplicant_set_state(wpa_s, 4562 WPA_COMPLETED); 4563 #else /* CONFIG_AP */ 4564 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 4565 wpa_supplicant_req_scan(wpa_s, 0, 0); 4566 #endif /* CONFIG_AP */ 4567 } 4568 break; 4569 case EVENT_INTERFACE_DISABLED: 4570 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); 4571 #ifdef CONFIG_P2P 4572 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO || 4573 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group && 4574 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) { 4575 /* 4576 * Mark interface disabled if this happens to end up not 4577 * being removed as a separate P2P group interface. 4578 */ 4579 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 4580 /* 4581 * The interface was externally disabled. Remove 4582 * it assuming an external entity will start a 4583 * new session if needed. 4584 */ 4585 if (wpa_s->current_ssid && 4586 wpa_s->current_ssid->p2p_group) 4587 wpas_p2p_interface_unavailable(wpa_s); 4588 else 4589 wpas_p2p_disconnect(wpa_s); 4590 /* 4591 * wpa_s instance may have been freed, so must not use 4592 * it here anymore. 4593 */ 4594 break; 4595 } 4596 if (wpa_s->p2p_scan_work && wpa_s->global->p2p && 4597 p2p_in_progress(wpa_s->global->p2p) > 1) { 4598 /* This radio work will be cancelled, so clear P2P 4599 * state as well. 4600 */ 4601 p2p_stop_find(wpa_s->global->p2p); 4602 } 4603 #endif /* CONFIG_P2P */ 4604 4605 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { 4606 /* 4607 * Indicate disconnection to keep ctrl_iface events 4608 * consistent. 4609 */ 4610 wpa_supplicant_event_disassoc( 4611 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1); 4612 } 4613 wpa_supplicant_mark_disassoc(wpa_s); 4614 wpa_bss_flush(wpa_s); 4615 radio_remove_works(wpa_s, NULL, 0); 4616 4617 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 4618 break; 4619 case EVENT_CHANNEL_LIST_CHANGED: 4620 wpa_supplicant_update_channel_list( 4621 wpa_s, &data->channel_list_changed); 4622 break; 4623 case EVENT_INTERFACE_UNAVAILABLE: 4624 wpas_p2p_interface_unavailable(wpa_s); 4625 break; 4626 case EVENT_BEST_CHANNEL: 4627 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " 4628 "(%d %d %d)", 4629 data->best_chan.freq_24, data->best_chan.freq_5, 4630 data->best_chan.freq_overall); 4631 wpa_s->best_24_freq = data->best_chan.freq_24; 4632 wpa_s->best_5_freq = data->best_chan.freq_5; 4633 wpa_s->best_overall_freq = data->best_chan.freq_overall; 4634 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, 4635 data->best_chan.freq_5, 4636 data->best_chan.freq_overall); 4637 break; 4638 case EVENT_UNPROT_DEAUTH: 4639 wpa_supplicant_event_unprot_deauth(wpa_s, 4640 &data->unprot_deauth); 4641 break; 4642 case EVENT_UNPROT_DISASSOC: 4643 wpa_supplicant_event_unprot_disassoc(wpa_s, 4644 &data->unprot_disassoc); 4645 break; 4646 case EVENT_STATION_LOW_ACK: 4647 #ifdef CONFIG_AP 4648 if (wpa_s->ap_iface && data) 4649 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], 4650 data->low_ack.addr); 4651 #endif /* CONFIG_AP */ 4652 #ifdef CONFIG_TDLS 4653 if (data) 4654 wpa_tdls_disable_unreachable_link(wpa_s->wpa, 4655 data->low_ack.addr); 4656 #endif /* CONFIG_TDLS */ 4657 break; 4658 case EVENT_IBSS_PEER_LOST: 4659 #ifdef CONFIG_IBSS_RSN 4660 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); 4661 #endif /* CONFIG_IBSS_RSN */ 4662 break; 4663 case EVENT_DRIVER_GTK_REKEY: 4664 if (os_memcmp(data->driver_gtk_rekey.bssid, 4665 wpa_s->bssid, ETH_ALEN)) 4666 break; 4667 if (!wpa_s->wpa) 4668 break; 4669 wpa_sm_update_replay_ctr(wpa_s->wpa, 4670 data->driver_gtk_rekey.replay_ctr); 4671 break; 4672 case EVENT_SCHED_SCAN_STOPPED: 4673 wpa_s->sched_scanning = 0; 4674 resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s); 4675 wpa_supplicant_notify_scanning(wpa_s, 0); 4676 4677 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 4678 break; 4679 4680 /* 4681 * If the driver stopped scanning without being requested to, 4682 * request a new scan to continue scanning for networks. 4683 */ 4684 if (!wpa_s->sched_scan_stop_req && 4685 wpa_s->wpa_state == WPA_SCANNING) { 4686 wpa_dbg(wpa_s, MSG_DEBUG, 4687 "Restart scanning after unexpected sched_scan stop event"); 4688 wpa_supplicant_req_scan(wpa_s, 1, 0); 4689 break; 4690 } 4691 4692 wpa_s->sched_scan_stop_req = 0; 4693 4694 /* 4695 * Start a new sched scan to continue searching for more SSIDs 4696 * either if timed out or PNO schedule scan is pending. 4697 */ 4698 if (wpa_s->sched_scan_timed_out) { 4699 wpa_supplicant_req_sched_scan(wpa_s); 4700 } else if (wpa_s->pno_sched_pending) { 4701 wpa_s->pno_sched_pending = 0; 4702 wpas_start_pno(wpa_s); 4703 } else if (resched) { 4704 wpa_supplicant_req_scan(wpa_s, 0, 0); 4705 } 4706 4707 break; 4708 case EVENT_WPS_BUTTON_PUSHED: 4709 #ifdef CONFIG_WPS 4710 wpas_wps_start_pbc(wpa_s, NULL, 0); 4711 #endif /* CONFIG_WPS */ 4712 break; 4713 case EVENT_AVOID_FREQUENCIES: 4714 wpa_supplicant_notify_avoid_freq(wpa_s, data); 4715 break; 4716 case EVENT_CONNECT_FAILED_REASON: 4717 #ifdef CONFIG_AP 4718 if (!wpa_s->ap_iface || !data) 4719 break; 4720 hostapd_event_connect_failed_reason( 4721 wpa_s->ap_iface->bss[0], 4722 data->connect_failed_reason.addr, 4723 data->connect_failed_reason.code); 4724 #endif /* CONFIG_AP */ 4725 break; 4726 case EVENT_NEW_PEER_CANDIDATE: 4727 #ifdef CONFIG_MESH 4728 if (!wpa_s->ifmsh || !data) 4729 break; 4730 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer, 4731 data->mesh_peer.ies, 4732 data->mesh_peer.ie_len); 4733 #endif /* CONFIG_MESH */ 4734 break; 4735 case EVENT_SURVEY: 4736 #ifdef CONFIG_AP 4737 if (!wpa_s->ap_iface) 4738 break; 4739 hostapd_event_get_survey(wpa_s->ap_iface, 4740 &data->survey_results); 4741 #endif /* CONFIG_AP */ 4742 break; 4743 case EVENT_ACS_CHANNEL_SELECTED: 4744 #ifdef CONFIG_AP 4745 #ifdef CONFIG_ACS 4746 if (!wpa_s->ap_iface) 4747 break; 4748 hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0], 4749 &data->acs_selected_channels); 4750 #endif /* CONFIG_ACS */ 4751 #endif /* CONFIG_AP */ 4752 break; 4753 case EVENT_P2P_LO_STOP: 4754 #ifdef CONFIG_P2P 4755 wpa_s->p2p_lo_started = 0; 4756 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP 4757 P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d", 4758 data->p2p_lo_stop.reason_code); 4759 #endif /* CONFIG_P2P */ 4760 break; 4761 case EVENT_BEACON_LOSS: 4762 if (!wpa_s->current_bss || !wpa_s->current_ssid) 4763 break; 4764 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS); 4765 bgscan_notify_beacon_loss(wpa_s); 4766 break; 4767 case EVENT_EXTERNAL_AUTH: 4768 #ifdef CONFIG_SAE 4769 if (!wpa_s->current_ssid) { 4770 wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL"); 4771 break; 4772 } 4773 sme_external_auth_trigger(wpa_s, data); 4774 #endif /* CONFIG_SAE */ 4775 break; 4776 case EVENT_PORT_AUTHORIZED: 4777 wpa_supplicant_event_port_authorized(wpa_s); 4778 break; 4779 case EVENT_STATION_OPMODE_CHANGED: 4780 #ifdef CONFIG_AP 4781 if (!wpa_s->ap_iface || !data) 4782 break; 4783 4784 hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0], 4785 data->sta_opmode.addr, 4786 data->sta_opmode.smps_mode, 4787 data->sta_opmode.chan_width, 4788 data->sta_opmode.rx_nss); 4789 #endif /* CONFIG_AP */ 4790 break; 4791 default: 4792 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); 4793 break; 4794 } 4795 } 4796 4797 4798 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 4799 union wpa_event_data *data) 4800 { 4801 struct wpa_supplicant *wpa_s; 4802 4803 if (event != EVENT_INTERFACE_STATUS) 4804 return; 4805 4806 wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname); 4807 if (wpa_s && wpa_s->driver->get_ifindex) { 4808 unsigned int ifindex; 4809 4810 ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv); 4811 if (ifindex != data->interface_status.ifindex) { 4812 wpa_dbg(wpa_s, MSG_DEBUG, 4813 "interface status ifindex %d mismatch (%d)", 4814 ifindex, data->interface_status.ifindex); 4815 return; 4816 } 4817 } 4818 #ifdef CONFIG_MATCH_IFACE 4819 else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) { 4820 struct wpa_interface *wpa_i; 4821 4822 wpa_i = wpa_supplicant_match_iface( 4823 ctx, data->interface_status.ifname); 4824 if (!wpa_i) 4825 return; 4826 wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL); 4827 os_free(wpa_i); 4828 if (wpa_s) 4829 wpa_s->matched = 1; 4830 } 4831 #endif /* CONFIG_MATCH_IFACE */ 4832 4833 if (wpa_s) 4834 wpa_supplicant_event(wpa_s, event, data); 4835 } 4836