1 /* 2 * hostapd / Callback functions for driver wrappers 3 * Copyright (c) 2002-2013, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "utils/includes.h" 10 11 #include "utils/common.h" 12 #include "utils/eloop.h" 13 #include "radius/radius.h" 14 #include "drivers/driver.h" 15 #include "common/ieee802_11_defs.h" 16 #include "common/ieee802_11_common.h" 17 #include "common/wpa_ctrl.h" 18 #include "crypto/random.h" 19 #include "p2p/p2p.h" 20 #include "wps/wps.h" 21 #include "fst/fst.h" 22 #include "wnm_ap.h" 23 #include "hostapd.h" 24 #include "ieee802_11.h" 25 #include "ieee802_11_auth.h" 26 #include "sta_info.h" 27 #include "accounting.h" 28 #include "tkip_countermeasures.h" 29 #include "ieee802_1x.h" 30 #include "wpa_auth.h" 31 #include "wps_hostapd.h" 32 #include "ap_drv_ops.h" 33 #include "ap_config.h" 34 #include "hw_features.h" 35 #include "dfs.h" 36 #include "beacon.h" 37 #include "mbo_ap.h" 38 39 40 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 41 const u8 *req_ies, size_t req_ies_len, int reassoc) 42 { 43 struct sta_info *sta; 44 int new_assoc, res; 45 struct ieee802_11_elems elems; 46 const u8 *ie; 47 size_t ielen; 48 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 49 u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; 50 u8 *p = buf; 51 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 52 u16 reason = WLAN_REASON_UNSPECIFIED; 53 u16 status = WLAN_STATUS_SUCCESS; 54 const u8 *p2p_dev_addr = NULL; 55 56 if (addr == NULL) { 57 /* 58 * This could potentially happen with unexpected event from the 59 * driver wrapper. This was seen at least in one case where the 60 * driver ended up being set to station mode while hostapd was 61 * running, so better make sure we stop processing such an 62 * event here. 63 */ 64 wpa_printf(MSG_DEBUG, 65 "hostapd_notif_assoc: Skip event with no address"); 66 return -1; 67 } 68 random_add_randomness(addr, ETH_ALEN); 69 70 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 71 HOSTAPD_LEVEL_INFO, "associated"); 72 73 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0); 74 if (elems.wps_ie) { 75 ie = elems.wps_ie - 2; 76 ielen = elems.wps_ie_len + 2; 77 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq"); 78 } else if (elems.rsn_ie) { 79 ie = elems.rsn_ie - 2; 80 ielen = elems.rsn_ie_len + 2; 81 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq"); 82 } else if (elems.wpa_ie) { 83 ie = elems.wpa_ie - 2; 84 ielen = elems.wpa_ie_len + 2; 85 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq"); 86 #ifdef CONFIG_HS20 87 } else if (elems.osen) { 88 ie = elems.osen - 2; 89 ielen = elems.osen_len + 2; 90 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq"); 91 #endif /* CONFIG_HS20 */ 92 } else { 93 ie = NULL; 94 ielen = 0; 95 wpa_printf(MSG_DEBUG, 96 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq"); 97 } 98 99 sta = ap_get_sta(hapd, addr); 100 if (sta) { 101 ap_sta_no_session_timeout(hapd, sta); 102 accounting_sta_stop(hapd, sta); 103 104 /* 105 * Make sure that the previously registered inactivity timer 106 * will not remove the STA immediately. 107 */ 108 sta->timeout_next = STA_NULLFUNC; 109 } else { 110 sta = ap_sta_add(hapd, addr); 111 if (sta == NULL) { 112 hostapd_drv_sta_disassoc(hapd, addr, 113 WLAN_REASON_DISASSOC_AP_BUSY); 114 return -1; 115 } 116 } 117 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2); 118 119 res = hostapd_check_acl(hapd, addr, NULL); 120 if (res != HOSTAPD_ACL_ACCEPT) { 121 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect", 122 MAC2STR(addr)); 123 reason = WLAN_REASON_UNSPECIFIED; 124 goto fail; 125 } 126 127 #ifdef CONFIG_P2P 128 if (elems.p2p) { 129 wpabuf_free(sta->p2p_ie); 130 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 131 P2P_IE_VENDOR_TYPE); 132 if (sta->p2p_ie) 133 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie); 134 } 135 #endif /* CONFIG_P2P */ 136 137 #ifdef CONFIG_IEEE80211N 138 #ifdef NEED_AP_MLME 139 if (elems.ht_capabilities && 140 (hapd->iface->conf->ht_capab & 141 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) { 142 struct ieee80211_ht_capabilities *ht_cap = 143 (struct ieee80211_ht_capabilities *) 144 elems.ht_capabilities; 145 146 if (le_to_host16(ht_cap->ht_capabilities_info) & 147 HT_CAP_INFO_40MHZ_INTOLERANT) 148 ht40_intolerant_add(hapd->iface, sta); 149 } 150 #endif /* NEED_AP_MLME */ 151 #endif /* CONFIG_IEEE80211N */ 152 153 #ifdef CONFIG_INTERWORKING 154 if (elems.ext_capab && elems.ext_capab_len > 4) { 155 if (elems.ext_capab[4] & 0x01) 156 sta->qos_map_enabled = 1; 157 } 158 #endif /* CONFIG_INTERWORKING */ 159 160 #ifdef CONFIG_HS20 161 wpabuf_free(sta->hs20_ie); 162 if (elems.hs20 && elems.hs20_len > 4) { 163 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4, 164 elems.hs20_len - 4); 165 } else 166 sta->hs20_ie = NULL; 167 #endif /* CONFIG_HS20 */ 168 169 #ifdef CONFIG_FST 170 wpabuf_free(sta->mb_ies); 171 if (hapd->iface->fst) 172 sta->mb_ies = mb_ies_by_info(&elems.mb_ies); 173 else 174 sta->mb_ies = NULL; 175 #endif /* CONFIG_FST */ 176 177 mbo_ap_check_sta_assoc(hapd, sta, &elems); 178 179 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes, 180 elems.supp_op_classes_len); 181 182 if (hapd->conf->wpa) { 183 if (ie == NULL || ielen == 0) { 184 #ifdef CONFIG_WPS 185 if (hapd->conf->wps_state) { 186 wpa_printf(MSG_DEBUG, 187 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use"); 188 sta->flags |= WLAN_STA_MAYBE_WPS; 189 goto skip_wpa_check; 190 } 191 #endif /* CONFIG_WPS */ 192 193 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA"); 194 return -1; 195 } 196 #ifdef CONFIG_WPS 197 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 && 198 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { 199 struct wpabuf *wps; 200 201 sta->flags |= WLAN_STA_WPS; 202 wps = ieee802_11_vendor_ie_concat(ie, ielen, 203 WPS_IE_VENDOR_TYPE); 204 if (wps) { 205 if (wps_is_20(wps)) { 206 wpa_printf(MSG_DEBUG, 207 "WPS: STA supports WPS 2.0"); 208 sta->flags |= WLAN_STA_WPS2; 209 } 210 wpabuf_free(wps); 211 } 212 goto skip_wpa_check; 213 } 214 #endif /* CONFIG_WPS */ 215 216 if (sta->wpa_sm == NULL) 217 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 218 sta->addr, 219 p2p_dev_addr); 220 if (sta->wpa_sm == NULL) { 221 wpa_printf(MSG_ERROR, 222 "Failed to initialize WPA state machine"); 223 return -1; 224 } 225 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, 226 ie, ielen, 227 elems.mdie, elems.mdie_len); 228 if (res != WPA_IE_OK) { 229 wpa_printf(MSG_DEBUG, 230 "WPA/RSN information element rejected? (res %u)", 231 res); 232 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen); 233 if (res == WPA_INVALID_GROUP) { 234 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 235 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 236 } else if (res == WPA_INVALID_PAIRWISE) { 237 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID; 238 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; 239 } else if (res == WPA_INVALID_AKMP) { 240 reason = WLAN_REASON_AKMP_NOT_VALID; 241 status = WLAN_STATUS_AKMP_NOT_VALID; 242 } 243 #ifdef CONFIG_IEEE80211W 244 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) { 245 reason = WLAN_REASON_INVALID_IE; 246 status = WLAN_STATUS_INVALID_IE; 247 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) { 248 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 249 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 250 } 251 #endif /* CONFIG_IEEE80211W */ 252 else { 253 reason = WLAN_REASON_INVALID_IE; 254 status = WLAN_STATUS_INVALID_IE; 255 } 256 goto fail; 257 } 258 #ifdef CONFIG_IEEE80211W 259 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 260 sta->sa_query_count > 0) 261 ap_check_sa_query_timeout(hapd, sta); 262 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 263 (sta->auth_alg != WLAN_AUTH_FT)) { 264 /* 265 * STA has already been associated with MFP and SA 266 * Query timeout has not been reached. Reject the 267 * association attempt temporarily and start SA Query, 268 * if one is not pending. 269 */ 270 271 if (sta->sa_query_count == 0) 272 ap_sta_start_sa_query(hapd, sta); 273 274 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; 275 276 p = hostapd_eid_assoc_comeback_time(hapd, sta, p); 277 278 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, 279 p - buf); 280 return 0; 281 } 282 283 if (wpa_auth_uses_mfp(sta->wpa_sm)) 284 sta->flags |= WLAN_STA_MFP; 285 else 286 sta->flags &= ~WLAN_STA_MFP; 287 #endif /* CONFIG_IEEE80211W */ 288 289 #ifdef CONFIG_IEEE80211R 290 if (sta->auth_alg == WLAN_AUTH_FT) { 291 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies, 292 req_ies_len); 293 if (status != WLAN_STATUS_SUCCESS) { 294 if (status == WLAN_STATUS_INVALID_PMKID) 295 reason = WLAN_REASON_INVALID_IE; 296 if (status == WLAN_STATUS_INVALID_MDIE) 297 reason = WLAN_REASON_INVALID_IE; 298 if (status == WLAN_STATUS_INVALID_FTIE) 299 reason = WLAN_REASON_INVALID_IE; 300 goto fail; 301 } 302 } 303 #endif /* CONFIG_IEEE80211R */ 304 } else if (hapd->conf->wps_state) { 305 #ifdef CONFIG_WPS 306 struct wpabuf *wps; 307 308 if (req_ies) 309 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 310 WPS_IE_VENDOR_TYPE); 311 else 312 wps = NULL; 313 #ifdef CONFIG_WPS_STRICT 314 if (wps && wps_validate_assoc_req(wps) < 0) { 315 reason = WLAN_REASON_INVALID_IE; 316 status = WLAN_STATUS_INVALID_IE; 317 wpabuf_free(wps); 318 goto fail; 319 } 320 #endif /* CONFIG_WPS_STRICT */ 321 if (wps) { 322 sta->flags |= WLAN_STA_WPS; 323 if (wps_is_20(wps)) { 324 wpa_printf(MSG_DEBUG, 325 "WPS: STA supports WPS 2.0"); 326 sta->flags |= WLAN_STA_WPS2; 327 } 328 } else 329 sta->flags |= WLAN_STA_MAYBE_WPS; 330 wpabuf_free(wps); 331 #endif /* CONFIG_WPS */ 332 #ifdef CONFIG_HS20 333 } else if (hapd->conf->osen) { 334 if (elems.osen == NULL) { 335 hostapd_logger( 336 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 337 HOSTAPD_LEVEL_INFO, 338 "No HS 2.0 OSEN element in association request"); 339 return WLAN_STATUS_INVALID_IE; 340 } 341 342 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association"); 343 if (sta->wpa_sm == NULL) 344 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 345 sta->addr, NULL); 346 if (sta->wpa_sm == NULL) { 347 wpa_printf(MSG_WARNING, 348 "Failed to initialize WPA state machine"); 349 return WLAN_STATUS_UNSPECIFIED_FAILURE; 350 } 351 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm, 352 elems.osen - 2, elems.osen_len + 2) < 0) 353 return WLAN_STATUS_INVALID_IE; 354 #endif /* CONFIG_HS20 */ 355 } 356 357 #ifdef CONFIG_MBO 358 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) && 359 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) && 360 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 361 wpa_printf(MSG_INFO, 362 "MBO: Reject WPA2 association without PMF"); 363 return WLAN_STATUS_UNSPECIFIED_FAILURE; 364 } 365 #endif /* CONFIG_MBO */ 366 367 #ifdef CONFIG_WPS 368 skip_wpa_check: 369 #endif /* CONFIG_WPS */ 370 371 #ifdef CONFIG_IEEE80211R 372 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf), 373 sta->auth_alg, req_ies, req_ies_len); 374 375 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 376 377 if (sta->auth_alg == WLAN_AUTH_FT) 378 ap_sta_set_authorized(hapd, sta, 1); 379 #else /* CONFIG_IEEE80211R */ 380 /* Keep compiler silent about unused variables */ 381 if (status) { 382 } 383 #endif /* CONFIG_IEEE80211R */ 384 385 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0; 386 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; 387 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; 388 389 hostapd_set_sta_flags(hapd, sta); 390 391 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT)) 392 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); 393 else 394 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); 395 396 hostapd_new_assoc_sta(hapd, sta, !new_assoc); 397 398 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); 399 400 #ifdef CONFIG_P2P 401 if (req_ies) { 402 p2p_group_notif_assoc(hapd->p2p_group, sta->addr, 403 req_ies, req_ies_len); 404 } 405 #endif /* CONFIG_P2P */ 406 407 return 0; 408 409 fail: 410 #ifdef CONFIG_IEEE80211R 411 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 412 #endif /* CONFIG_IEEE80211R */ 413 hostapd_drv_sta_disassoc(hapd, sta->addr, reason); 414 ap_free_sta(hapd, sta); 415 return -1; 416 } 417 418 419 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr) 420 { 421 struct sta_info *sta; 422 423 if (addr == NULL) { 424 /* 425 * This could potentially happen with unexpected event from the 426 * driver wrapper. This was seen at least in one case where the 427 * driver ended up reporting a station mode event while hostapd 428 * was running, so better make sure we stop processing such an 429 * event here. 430 */ 431 wpa_printf(MSG_DEBUG, 432 "hostapd_notif_disassoc: Skip event with no address"); 433 return; 434 } 435 436 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 437 HOSTAPD_LEVEL_INFO, "disassociated"); 438 439 sta = ap_get_sta(hapd, addr); 440 if (sta == NULL) { 441 wpa_printf(MSG_DEBUG, 442 "Disassociation notification for unknown STA " 443 MACSTR, MAC2STR(addr)); 444 return; 445 } 446 447 ap_sta_set_authorized(hapd, sta, 0); 448 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); 449 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); 450 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; 451 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); 452 ap_free_sta(hapd, sta); 453 } 454 455 456 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr) 457 { 458 struct sta_info *sta = ap_get_sta(hapd, addr); 459 460 if (!sta || !hapd->conf->disassoc_low_ack) 461 return; 462 463 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 464 HOSTAPD_LEVEL_INFO, 465 "disconnected due to excessive missing ACKs"); 466 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK); 467 if (sta) 468 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); 469 } 470 471 472 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 473 int offset, int width, int cf1, int cf2) 474 { 475 #ifdef NEED_AP_MLME 476 int channel, chwidth, is_dfs; 477 u8 seg0_idx = 0, seg1_idx = 0; 478 479 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 480 HOSTAPD_LEVEL_INFO, 481 "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", 482 freq, ht, offset, width, channel_width_to_string(width), 483 cf1, cf2); 484 485 hapd->iface->freq = freq; 486 487 channel = hostapd_hw_get_channel(hapd, freq); 488 if (!channel) { 489 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 490 HOSTAPD_LEVEL_WARNING, 491 "driver switched to bad channel!"); 492 return; 493 } 494 495 switch (width) { 496 case CHAN_WIDTH_80: 497 chwidth = VHT_CHANWIDTH_80MHZ; 498 break; 499 case CHAN_WIDTH_80P80: 500 chwidth = VHT_CHANWIDTH_80P80MHZ; 501 break; 502 case CHAN_WIDTH_160: 503 chwidth = VHT_CHANWIDTH_160MHZ; 504 break; 505 case CHAN_WIDTH_20_NOHT: 506 case CHAN_WIDTH_20: 507 case CHAN_WIDTH_40: 508 default: 509 chwidth = VHT_CHANWIDTH_USE_HT; 510 break; 511 } 512 513 switch (hapd->iface->current_mode->mode) { 514 case HOSTAPD_MODE_IEEE80211A: 515 if (cf1 > 5000) 516 seg0_idx = (cf1 - 5000) / 5; 517 if (cf2 > 5000) 518 seg1_idx = (cf2 - 5000) / 5; 519 break; 520 default: 521 ieee80211_freq_to_chan(cf1, &seg0_idx); 522 ieee80211_freq_to_chan(cf2, &seg1_idx); 523 break; 524 } 525 526 hapd->iconf->channel = channel; 527 hapd->iconf->ieee80211n = ht; 528 if (!ht) 529 hapd->iconf->ieee80211ac = 0; 530 hapd->iconf->secondary_channel = offset; 531 hapd->iconf->vht_oper_chwidth = chwidth; 532 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; 533 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; 534 535 is_dfs = ieee80211_is_dfs(freq); 536 537 if (hapd->csa_in_progress && 538 freq == hapd->cs_freq_params.freq) { 539 hostapd_cleanup_cs_params(hapd); 540 ieee802_11_set_beacon(hapd); 541 542 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 543 "freq=%d dfs=%d", freq, is_dfs); 544 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { 545 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 546 "freq=%d dfs=%d", freq, is_dfs); 547 } 548 #endif /* NEED_AP_MLME */ 549 } 550 551 552 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 553 const u8 *addr, int reason_code) 554 { 555 switch (reason_code) { 556 case MAX_CLIENT_REACHED: 557 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, 558 MAC2STR(addr)); 559 break; 560 case BLOCKED_CLIENT: 561 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, 562 MAC2STR(addr)); 563 break; 564 } 565 } 566 567 568 #ifdef CONFIG_ACS 569 void hostapd_acs_channel_selected(struct hostapd_data *hapd, 570 struct acs_selected_channels *acs_res) 571 { 572 int ret, i; 573 int err = 0; 574 575 if (hapd->iconf->channel) { 576 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", 577 hapd->iconf->channel); 578 return; 579 } 580 581 if (!hapd->iface->current_mode) { 582 for (i = 0; i < hapd->iface->num_hw_features; i++) { 583 struct hostapd_hw_modes *mode = 584 &hapd->iface->hw_features[i]; 585 586 if (mode->mode == acs_res->hw_mode) { 587 hapd->iface->current_mode = mode; 588 break; 589 } 590 } 591 if (!hapd->iface->current_mode) { 592 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 593 HOSTAPD_LEVEL_WARNING, 594 "driver selected to bad hw_mode"); 595 err = 1; 596 goto out; 597 } 598 } 599 600 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); 601 602 if (!acs_res->pri_channel) { 603 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 604 HOSTAPD_LEVEL_WARNING, 605 "driver switched to bad channel"); 606 err = 1; 607 goto out; 608 } 609 610 hapd->iconf->channel = acs_res->pri_channel; 611 hapd->iconf->acs = 1; 612 613 if (acs_res->sec_channel == 0) 614 hapd->iconf->secondary_channel = 0; 615 else if (acs_res->sec_channel < acs_res->pri_channel) 616 hapd->iconf->secondary_channel = -1; 617 else if (acs_res->sec_channel > acs_res->pri_channel) 618 hapd->iconf->secondary_channel = 1; 619 else { 620 wpa_printf(MSG_ERROR, "Invalid secondary channel!"); 621 err = 1; 622 goto out; 623 } 624 625 if (hapd->iface->conf->ieee80211ac) { 626 /* set defaults for backwards compatibility */ 627 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; 628 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; 629 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; 630 if (acs_res->ch_width == 80) { 631 hapd->iconf->vht_oper_centr_freq_seg0_idx = 632 acs_res->vht_seg0_center_ch; 633 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; 634 } else if (acs_res->ch_width == 160) { 635 if (acs_res->vht_seg1_center_ch == 0) { 636 hapd->iconf->vht_oper_centr_freq_seg0_idx = 637 acs_res->vht_seg0_center_ch; 638 hapd->iconf->vht_oper_chwidth = 639 VHT_CHANWIDTH_160MHZ; 640 } else { 641 hapd->iconf->vht_oper_centr_freq_seg0_idx = 642 acs_res->vht_seg0_center_ch; 643 hapd->iconf->vht_oper_centr_freq_seg1_idx = 644 acs_res->vht_seg1_center_ch; 645 hapd->iconf->vht_oper_chwidth = 646 VHT_CHANWIDTH_80P80MHZ; 647 } 648 } 649 } 650 651 out: 652 ret = hostapd_acs_completed(hapd->iface, err); 653 if (ret) { 654 wpa_printf(MSG_ERROR, 655 "ACS: Possibly channel configuration is invalid"); 656 } 657 } 658 #endif /* CONFIG_ACS */ 659 660 661 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 662 const u8 *bssid, const u8 *ie, size_t ie_len, 663 int ssi_signal) 664 { 665 size_t i; 666 int ret = 0; 667 668 if (sa == NULL || ie == NULL) 669 return -1; 670 671 random_add_randomness(sa, ETH_ALEN); 672 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { 673 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 674 sa, da, bssid, ie, ie_len, 675 ssi_signal) > 0) { 676 ret = 1; 677 break; 678 } 679 } 680 return ret; 681 } 682 683 684 #ifdef HOSTAPD 685 686 #ifdef CONFIG_IEEE80211R 687 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, 688 const u8 *bssid, 689 u16 auth_transaction, u16 status, 690 const u8 *ies, size_t ies_len) 691 { 692 struct hostapd_data *hapd = ctx; 693 struct sta_info *sta; 694 695 sta = ap_get_sta(hapd, dst); 696 if (sta == NULL) 697 return; 698 699 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, 700 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); 701 sta->flags |= WLAN_STA_AUTH; 702 703 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); 704 } 705 #endif /* CONFIG_IEEE80211R */ 706 707 708 static void hostapd_notif_auth(struct hostapd_data *hapd, 709 struct auth_info *rx_auth) 710 { 711 struct sta_info *sta; 712 u16 status = WLAN_STATUS_SUCCESS; 713 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; 714 size_t resp_ies_len = 0; 715 716 sta = ap_get_sta(hapd, rx_auth->peer); 717 if (!sta) { 718 sta = ap_sta_add(hapd, rx_auth->peer); 719 if (sta == NULL) { 720 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; 721 goto fail; 722 } 723 } 724 sta->flags &= ~WLAN_STA_PREAUTH; 725 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); 726 #ifdef CONFIG_IEEE80211R 727 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { 728 sta->auth_alg = WLAN_AUTH_FT; 729 if (sta->wpa_sm == NULL) 730 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 731 sta->addr, NULL); 732 if (sta->wpa_sm == NULL) { 733 wpa_printf(MSG_DEBUG, 734 "FT: Failed to initialize WPA state machine"); 735 status = WLAN_STATUS_UNSPECIFIED_FAILURE; 736 goto fail; 737 } 738 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, 739 rx_auth->auth_transaction, rx_auth->ies, 740 rx_auth->ies_len, 741 hostapd_notify_auth_ft_finish, hapd); 742 return; 743 } 744 #endif /* CONFIG_IEEE80211R */ 745 fail: 746 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, 747 status, resp_ies, resp_ies_len); 748 } 749 750 751 static void hostapd_action_rx(struct hostapd_data *hapd, 752 struct rx_mgmt *drv_mgmt) 753 { 754 struct ieee80211_mgmt *mgmt; 755 struct sta_info *sta; 756 size_t plen __maybe_unused; 757 u16 fc; 758 759 if (drv_mgmt->frame_len < 24 + 1) 760 return; 761 762 plen = drv_mgmt->frame_len - 24 - 1; 763 764 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; 765 fc = le_to_host16(mgmt->frame_control); 766 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) 767 return; /* handled by the driver */ 768 769 wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d", 770 mgmt->u.action.category, (int) plen); 771 772 sta = ap_get_sta(hapd, mgmt->sa); 773 if (sta == NULL) { 774 wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 775 return; 776 } 777 #ifdef CONFIG_IEEE80211R 778 if (mgmt->u.action.category == WLAN_ACTION_FT) { 779 const u8 *payload = drv_mgmt->frame + 24 + 1; 780 781 wpa_ft_action_rx(sta->wpa_sm, payload, plen); 782 } 783 #endif /* CONFIG_IEEE80211R */ 784 #ifdef CONFIG_IEEE80211W 785 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) { 786 ieee802_11_sa_query_action( 787 hapd, mgmt->sa, 788 mgmt->u.action.u.sa_query_resp.action, 789 mgmt->u.action.u.sa_query_resp.trans_id); 790 } 791 #endif /* CONFIG_IEEE80211W */ 792 #ifdef CONFIG_WNM 793 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 794 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); 795 } 796 #endif /* CONFIG_WNM */ 797 #ifdef CONFIG_FST 798 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { 799 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); 800 return; 801 } 802 #endif /* CONFIG_FST */ 803 804 } 805 806 807 #ifdef NEED_AP_MLME 808 809 #define HAPD_BROADCAST ((struct hostapd_data *) -1) 810 811 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, 812 const u8 *bssid) 813 { 814 size_t i; 815 816 if (bssid == NULL) 817 return NULL; 818 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && 819 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) 820 return HAPD_BROADCAST; 821 822 for (i = 0; i < iface->num_bss; i++) { 823 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) 824 return iface->bss[i]; 825 } 826 827 return NULL; 828 } 829 830 831 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, 832 const u8 *bssid, const u8 *addr, 833 int wds) 834 { 835 hapd = get_hapd_bssid(hapd->iface, bssid); 836 if (hapd == NULL || hapd == HAPD_BROADCAST) 837 return; 838 839 ieee802_11_rx_from_unknown(hapd, addr, wds); 840 } 841 842 843 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) 844 { 845 struct hostapd_iface *iface = hapd->iface; 846 const struct ieee80211_hdr *hdr; 847 const u8 *bssid; 848 struct hostapd_frame_info fi; 849 int ret; 850 851 #ifdef CONFIG_TESTING_OPTIONS 852 if (hapd->ext_mgmt_frame_handling) { 853 size_t hex_len = 2 * rx_mgmt->frame_len + 1; 854 char *hex = os_malloc(hex_len); 855 856 if (hex) { 857 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, 858 rx_mgmt->frame_len); 859 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); 860 os_free(hex); 861 } 862 return 1; 863 } 864 #endif /* CONFIG_TESTING_OPTIONS */ 865 866 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; 867 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); 868 if (bssid == NULL) 869 return 0; 870 871 hapd = get_hapd_bssid(iface, bssid); 872 if (hapd == NULL) { 873 u16 fc = le_to_host16(hdr->frame_control); 874 875 /* 876 * Drop frames to unknown BSSIDs except for Beacon frames which 877 * could be used to update neighbor information. 878 */ 879 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 880 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 881 hapd = iface->bss[0]; 882 else 883 return 0; 884 } 885 886 os_memset(&fi, 0, sizeof(fi)); 887 fi.datarate = rx_mgmt->datarate; 888 fi.ssi_signal = rx_mgmt->ssi_signal; 889 890 if (hapd == HAPD_BROADCAST) { 891 size_t i; 892 893 ret = 0; 894 for (i = 0; i < iface->num_bss; i++) { 895 /* if bss is set, driver will call this function for 896 * each bss individually. */ 897 if (rx_mgmt->drv_priv && 898 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) 899 continue; 900 901 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, 902 rx_mgmt->frame_len, &fi) > 0) 903 ret = 1; 904 } 905 } else 906 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, 907 &fi); 908 909 random_add_randomness(&fi, sizeof(fi)); 910 911 return ret; 912 } 913 914 915 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, 916 size_t len, u16 stype, int ok) 917 { 918 struct ieee80211_hdr *hdr; 919 920 hdr = (struct ieee80211_hdr *) buf; 921 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 922 if (hapd == NULL || hapd == HAPD_BROADCAST) 923 return; 924 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); 925 } 926 927 #endif /* NEED_AP_MLME */ 928 929 930 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) 931 { 932 struct sta_info *sta = ap_get_sta(hapd, addr); 933 934 if (sta) 935 return 0; 936 937 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR 938 " - adding a new STA", MAC2STR(addr)); 939 sta = ap_sta_add(hapd, addr); 940 if (sta) { 941 hostapd_new_assoc_sta(hapd, sta, 0); 942 } else { 943 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, 944 MAC2STR(addr)); 945 return -1; 946 } 947 948 return 0; 949 } 950 951 952 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, 953 const u8 *data, size_t data_len) 954 { 955 struct hostapd_iface *iface = hapd->iface; 956 struct sta_info *sta; 957 size_t j; 958 959 for (j = 0; j < iface->num_bss; j++) { 960 sta = ap_get_sta(iface->bss[j], src); 961 if (sta && sta->flags & WLAN_STA_ASSOC) { 962 hapd = iface->bss[j]; 963 break; 964 } 965 } 966 967 ieee802_1x_receive(hapd, src, data, data_len); 968 } 969 970 #endif /* HOSTAPD */ 971 972 973 static struct hostapd_channel_data * hostapd_get_mode_channel( 974 struct hostapd_iface *iface, unsigned int freq) 975 { 976 int i; 977 struct hostapd_channel_data *chan; 978 979 for (i = 0; i < iface->current_mode->num_channels; i++) { 980 chan = &iface->current_mode->channels[i]; 981 if ((unsigned int) chan->freq == freq) 982 return chan; 983 } 984 985 return NULL; 986 } 987 988 989 static void hostapd_update_nf(struct hostapd_iface *iface, 990 struct hostapd_channel_data *chan, 991 struct freq_survey *survey) 992 { 993 if (!iface->chans_surveyed) { 994 chan->min_nf = survey->nf; 995 iface->lowest_nf = survey->nf; 996 } else { 997 if (dl_list_empty(&chan->survey_list)) 998 chan->min_nf = survey->nf; 999 else if (survey->nf < chan->min_nf) 1000 chan->min_nf = survey->nf; 1001 if (survey->nf < iface->lowest_nf) 1002 iface->lowest_nf = survey->nf; 1003 } 1004 } 1005 1006 1007 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, 1008 struct survey_results *survey_res) 1009 { 1010 struct hostapd_channel_data *chan; 1011 struct freq_survey *survey; 1012 u64 divisor, dividend; 1013 1014 survey = dl_list_first(&survey_res->survey_list, struct freq_survey, 1015 list); 1016 if (!survey || !survey->freq) 1017 return; 1018 1019 chan = hostapd_get_mode_channel(iface, survey->freq); 1020 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) 1021 return; 1022 1023 wpa_printf(MSG_DEBUG, 1024 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", 1025 survey->freq, 1026 (unsigned long int) survey->channel_time, 1027 (unsigned long int) survey->channel_time_busy); 1028 1029 if (survey->channel_time > iface->last_channel_time && 1030 survey->channel_time > survey->channel_time_busy) { 1031 dividend = survey->channel_time_busy - 1032 iface->last_channel_time_busy; 1033 divisor = survey->channel_time - iface->last_channel_time; 1034 1035 iface->channel_utilization = dividend * 255 / divisor; 1036 wpa_printf(MSG_DEBUG, "Channel Utilization: %d", 1037 iface->channel_utilization); 1038 } 1039 iface->last_channel_time = survey->channel_time; 1040 iface->last_channel_time_busy = survey->channel_time_busy; 1041 } 1042 1043 1044 void hostapd_event_get_survey(struct hostapd_iface *iface, 1045 struct survey_results *survey_results) 1046 { 1047 struct freq_survey *survey, *tmp; 1048 struct hostapd_channel_data *chan; 1049 1050 if (dl_list_empty(&survey_results->survey_list)) { 1051 wpa_printf(MSG_DEBUG, "No survey data received"); 1052 return; 1053 } 1054 1055 if (survey_results->freq_filter) { 1056 hostapd_single_channel_get_survey(iface, survey_results); 1057 return; 1058 } 1059 1060 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, 1061 struct freq_survey, list) { 1062 chan = hostapd_get_mode_channel(iface, survey->freq); 1063 if (!chan) 1064 continue; 1065 if (chan->flag & HOSTAPD_CHAN_DISABLED) 1066 continue; 1067 1068 dl_list_del(&survey->list); 1069 dl_list_add_tail(&chan->survey_list, &survey->list); 1070 1071 hostapd_update_nf(iface, chan, survey); 1072 1073 iface->chans_surveyed++; 1074 } 1075 } 1076 1077 1078 #ifdef HOSTAPD 1079 #ifdef NEED_AP_MLME 1080 1081 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) 1082 { 1083 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", 1084 hapd->conf->iface); 1085 1086 if (hapd->csa_in_progress) { 1087 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", 1088 hapd->conf->iface); 1089 hostapd_switch_channel_fallback(hapd->iface, 1090 &hapd->cs_freq_params); 1091 } 1092 } 1093 1094 1095 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, 1096 struct dfs_event *radar) 1097 { 1098 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); 1099 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled, 1100 radar->chan_offset, radar->chan_width, 1101 radar->cf1, radar->cf2); 1102 } 1103 1104 1105 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, 1106 struct dfs_event *radar) 1107 { 1108 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); 1109 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled, 1110 radar->chan_offset, radar->chan_width, 1111 radar->cf1, radar->cf2); 1112 } 1113 1114 1115 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, 1116 struct dfs_event *radar) 1117 { 1118 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); 1119 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, 1120 radar->chan_offset, radar->chan_width, 1121 radar->cf1, radar->cf2); 1122 } 1123 1124 1125 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, 1126 struct dfs_event *radar) 1127 { 1128 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); 1129 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, 1130 radar->chan_offset, radar->chan_width, 1131 radar->cf1, radar->cf2); 1132 } 1133 1134 1135 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, 1136 struct dfs_event *radar) 1137 { 1138 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); 1139 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, 1140 radar->chan_offset, radar->chan_width, 1141 radar->cf1, radar->cf2); 1142 } 1143 1144 #endif /* NEED_AP_MLME */ 1145 1146 1147 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 1148 union wpa_event_data *data) 1149 { 1150 struct hostapd_data *hapd = ctx; 1151 #ifndef CONFIG_NO_STDOUT_DEBUG 1152 int level = MSG_DEBUG; 1153 1154 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && 1155 data->rx_mgmt.frame_len >= 24) { 1156 const struct ieee80211_hdr *hdr; 1157 u16 fc; 1158 1159 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 1160 fc = le_to_host16(hdr->frame_control); 1161 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1162 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 1163 level = MSG_EXCESSIVE; 1164 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1165 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) 1166 level = MSG_EXCESSIVE; 1167 } 1168 1169 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", 1170 event_to_string(event), event); 1171 #endif /* CONFIG_NO_STDOUT_DEBUG */ 1172 1173 switch (event) { 1174 case EVENT_MICHAEL_MIC_FAILURE: 1175 michael_mic_failure(hapd, data->michael_mic_failure.src, 1); 1176 break; 1177 case EVENT_SCAN_RESULTS: 1178 if (hapd->iface->scan_cb) 1179 hapd->iface->scan_cb(hapd->iface); 1180 break; 1181 case EVENT_WPS_BUTTON_PUSHED: 1182 hostapd_wps_button_pushed(hapd, NULL); 1183 break; 1184 #ifdef NEED_AP_MLME 1185 case EVENT_TX_STATUS: 1186 switch (data->tx_status.type) { 1187 case WLAN_FC_TYPE_MGMT: 1188 hostapd_mgmt_tx_cb(hapd, data->tx_status.data, 1189 data->tx_status.data_len, 1190 data->tx_status.stype, 1191 data->tx_status.ack); 1192 break; 1193 case WLAN_FC_TYPE_DATA: 1194 hostapd_tx_status(hapd, data->tx_status.dst, 1195 data->tx_status.data, 1196 data->tx_status.data_len, 1197 data->tx_status.ack); 1198 break; 1199 } 1200 break; 1201 case EVENT_EAPOL_TX_STATUS: 1202 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, 1203 data->eapol_tx_status.data, 1204 data->eapol_tx_status.data_len, 1205 data->eapol_tx_status.ack); 1206 break; 1207 case EVENT_DRIVER_CLIENT_POLL_OK: 1208 hostapd_client_poll_ok(hapd, data->client_poll.addr); 1209 break; 1210 case EVENT_RX_FROM_UNKNOWN: 1211 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, 1212 data->rx_from_unknown.addr, 1213 data->rx_from_unknown.wds); 1214 break; 1215 #endif /* NEED_AP_MLME */ 1216 case EVENT_RX_MGMT: 1217 if (!data->rx_mgmt.frame) 1218 break; 1219 #ifdef NEED_AP_MLME 1220 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0) 1221 break; 1222 #endif /* NEED_AP_MLME */ 1223 hostapd_action_rx(hapd, &data->rx_mgmt); 1224 break; 1225 case EVENT_RX_PROBE_REQ: 1226 if (data->rx_probe_req.sa == NULL || 1227 data->rx_probe_req.ie == NULL) 1228 break; 1229 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, 1230 data->rx_probe_req.da, 1231 data->rx_probe_req.bssid, 1232 data->rx_probe_req.ie, 1233 data->rx_probe_req.ie_len, 1234 data->rx_probe_req.ssi_signal); 1235 break; 1236 case EVENT_NEW_STA: 1237 hostapd_event_new_sta(hapd, data->new_sta.addr); 1238 break; 1239 case EVENT_EAPOL_RX: 1240 hostapd_event_eapol_rx(hapd, data->eapol_rx.src, 1241 data->eapol_rx.data, 1242 data->eapol_rx.data_len); 1243 break; 1244 case EVENT_ASSOC: 1245 if (!data) 1246 return; 1247 hostapd_notif_assoc(hapd, data->assoc_info.addr, 1248 data->assoc_info.req_ies, 1249 data->assoc_info.req_ies_len, 1250 data->assoc_info.reassoc); 1251 break; 1252 case EVENT_DISASSOC: 1253 if (data) 1254 hostapd_notif_disassoc(hapd, data->disassoc_info.addr); 1255 break; 1256 case EVENT_DEAUTH: 1257 if (data) 1258 hostapd_notif_disassoc(hapd, data->deauth_info.addr); 1259 break; 1260 case EVENT_STATION_LOW_ACK: 1261 if (!data) 1262 break; 1263 hostapd_event_sta_low_ack(hapd, data->low_ack.addr); 1264 break; 1265 case EVENT_AUTH: 1266 hostapd_notif_auth(hapd, &data->auth); 1267 break; 1268 case EVENT_CH_SWITCH: 1269 if (!data) 1270 break; 1271 hostapd_event_ch_switch(hapd, data->ch_switch.freq, 1272 data->ch_switch.ht_enabled, 1273 data->ch_switch.ch_offset, 1274 data->ch_switch.ch_width, 1275 data->ch_switch.cf1, 1276 data->ch_switch.cf2); 1277 break; 1278 case EVENT_CONNECT_FAILED_REASON: 1279 if (!data) 1280 break; 1281 hostapd_event_connect_failed_reason( 1282 hapd, data->connect_failed_reason.addr, 1283 data->connect_failed_reason.code); 1284 break; 1285 case EVENT_SURVEY: 1286 hostapd_event_get_survey(hapd->iface, &data->survey_results); 1287 break; 1288 #ifdef NEED_AP_MLME 1289 case EVENT_INTERFACE_UNAVAILABLE: 1290 hostapd_event_iface_unavailable(hapd); 1291 break; 1292 case EVENT_DFS_RADAR_DETECTED: 1293 if (!data) 1294 break; 1295 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); 1296 break; 1297 case EVENT_DFS_CAC_FINISHED: 1298 if (!data) 1299 break; 1300 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); 1301 break; 1302 case EVENT_DFS_CAC_ABORTED: 1303 if (!data) 1304 break; 1305 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); 1306 break; 1307 case EVENT_DFS_NOP_FINISHED: 1308 if (!data) 1309 break; 1310 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); 1311 break; 1312 case EVENT_CHANNEL_LIST_CHANGED: 1313 /* channel list changed (regulatory?), update channel list */ 1314 /* TODO: check this. hostapd_get_hw_features() initializes 1315 * too much stuff. */ 1316 /* hostapd_get_hw_features(hapd->iface); */ 1317 hostapd_channel_list_updated( 1318 hapd->iface, data->channel_list_changed.initiator); 1319 break; 1320 case EVENT_DFS_CAC_STARTED: 1321 if (!data) 1322 break; 1323 hostapd_event_dfs_cac_started(hapd, &data->dfs_event); 1324 break; 1325 #endif /* NEED_AP_MLME */ 1326 case EVENT_INTERFACE_ENABLED: 1327 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); 1328 if (hapd->disabled && hapd->started) { 1329 hapd->disabled = 0; 1330 /* 1331 * Try to re-enable interface if the driver stopped it 1332 * when the interface got disabled. 1333 */ 1334 wpa_auth_reconfig_group_keys(hapd->wpa_auth); 1335 hapd->reenable_beacon = 1; 1336 ieee802_11_set_beacon(hapd); 1337 } 1338 break; 1339 case EVENT_INTERFACE_DISABLED: 1340 hostapd_free_stas(hapd); 1341 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); 1342 hapd->disabled = 1; 1343 break; 1344 #ifdef CONFIG_ACS 1345 case EVENT_ACS_CHANNEL_SELECTED: 1346 hostapd_acs_channel_selected(hapd, 1347 &data->acs_selected_channels); 1348 break; 1349 #endif /* CONFIG_ACS */ 1350 default: 1351 wpa_printf(MSG_DEBUG, "Unknown event %d", event); 1352 break; 1353 } 1354 } 1355 1356 1357 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 1358 union wpa_event_data *data) 1359 { 1360 struct hapd_interfaces *interfaces = ctx; 1361 struct hostapd_data *hapd; 1362 1363 if (event != EVENT_INTERFACE_STATUS) 1364 return; 1365 1366 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname); 1367 if (hapd && hapd->driver && hapd->driver->get_ifindex && 1368 hapd->drv_priv) { 1369 unsigned int ifindex; 1370 1371 ifindex = hapd->driver->get_ifindex(hapd->drv_priv); 1372 if (ifindex != data->interface_status.ifindex) { 1373 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, 1374 "interface status ifindex %d mismatch (%d)", 1375 ifindex, data->interface_status.ifindex); 1376 return; 1377 } 1378 } 1379 if (hapd) 1380 wpa_supplicant_event(hapd, event, data); 1381 } 1382 1383 #endif /* HOSTAPD */ 1384
