1 /* 2 * hostapd / Callback functions for driver wrappers 3 * Copyright (c) 2002-2013, 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 "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 /* 120 * ACL configurations to the drivers (implementing AP SME and ACL 121 * offload) without hostapd's knowledge, can result in a disconnection 122 * though the driver accepts the connection. Skip the hostapd check for 123 * ACL if the driver supports ACL offload to avoid potentially 124 * conflicting ACL rules. 125 */ 126 if (hapd->iface->drv_max_acl_mac_addrs == 0 && 127 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) { 128 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect", 129 MAC2STR(addr)); 130 reason = WLAN_REASON_UNSPECIFIED; 131 goto fail; 132 } 133 134 #ifdef CONFIG_P2P 135 if (elems.p2p) { 136 wpabuf_free(sta->p2p_ie); 137 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 138 P2P_IE_VENDOR_TYPE); 139 if (sta->p2p_ie) 140 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie); 141 } 142 #endif /* CONFIG_P2P */ 143 144 #ifdef CONFIG_IEEE80211N 145 #ifdef NEED_AP_MLME 146 if (elems.ht_capabilities && 147 (hapd->iface->conf->ht_capab & 148 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) { 149 struct ieee80211_ht_capabilities *ht_cap = 150 (struct ieee80211_ht_capabilities *) 151 elems.ht_capabilities; 152 153 if (le_to_host16(ht_cap->ht_capabilities_info) & 154 HT_CAP_INFO_40MHZ_INTOLERANT) 155 ht40_intolerant_add(hapd->iface, sta); 156 } 157 #endif /* NEED_AP_MLME */ 158 #endif /* CONFIG_IEEE80211N */ 159 160 #ifdef CONFIG_INTERWORKING 161 if (elems.ext_capab && elems.ext_capab_len > 4) { 162 if (elems.ext_capab[4] & 0x01) 163 sta->qos_map_enabled = 1; 164 } 165 #endif /* CONFIG_INTERWORKING */ 166 167 #ifdef CONFIG_HS20 168 wpabuf_free(sta->hs20_ie); 169 if (elems.hs20 && elems.hs20_len > 4) { 170 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4, 171 elems.hs20_len - 4); 172 } else 173 sta->hs20_ie = NULL; 174 #endif /* CONFIG_HS20 */ 175 176 #ifdef CONFIG_FST 177 wpabuf_free(sta->mb_ies); 178 if (hapd->iface->fst) 179 sta->mb_ies = mb_ies_by_info(&elems.mb_ies); 180 else 181 sta->mb_ies = NULL; 182 #endif /* CONFIG_FST */ 183 184 mbo_ap_check_sta_assoc(hapd, sta, &elems); 185 186 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes, 187 elems.supp_op_classes_len); 188 189 if (hapd->conf->wpa) { 190 if (ie == NULL || ielen == 0) { 191 #ifdef CONFIG_WPS 192 if (hapd->conf->wps_state) { 193 wpa_printf(MSG_DEBUG, 194 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use"); 195 sta->flags |= WLAN_STA_MAYBE_WPS; 196 goto skip_wpa_check; 197 } 198 #endif /* CONFIG_WPS */ 199 200 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA"); 201 return -1; 202 } 203 #ifdef CONFIG_WPS 204 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 && 205 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { 206 struct wpabuf *wps; 207 208 sta->flags |= WLAN_STA_WPS; 209 wps = ieee802_11_vendor_ie_concat(ie, ielen, 210 WPS_IE_VENDOR_TYPE); 211 if (wps) { 212 if (wps_is_20(wps)) { 213 wpa_printf(MSG_DEBUG, 214 "WPS: STA supports WPS 2.0"); 215 sta->flags |= WLAN_STA_WPS2; 216 } 217 wpabuf_free(wps); 218 } 219 goto skip_wpa_check; 220 } 221 #endif /* CONFIG_WPS */ 222 223 if (sta->wpa_sm == NULL) 224 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 225 sta->addr, 226 p2p_dev_addr); 227 if (sta->wpa_sm == NULL) { 228 wpa_printf(MSG_ERROR, 229 "Failed to initialize WPA state machine"); 230 return -1; 231 } 232 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, 233 ie, ielen, 234 elems.mdie, elems.mdie_len); 235 if (res != WPA_IE_OK) { 236 wpa_printf(MSG_DEBUG, 237 "WPA/RSN information element rejected? (res %u)", 238 res); 239 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen); 240 if (res == WPA_INVALID_GROUP) { 241 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 242 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 243 } else if (res == WPA_INVALID_PAIRWISE) { 244 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID; 245 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; 246 } else if (res == WPA_INVALID_AKMP) { 247 reason = WLAN_REASON_AKMP_NOT_VALID; 248 status = WLAN_STATUS_AKMP_NOT_VALID; 249 } 250 #ifdef CONFIG_IEEE80211W 251 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) { 252 reason = WLAN_REASON_INVALID_IE; 253 status = WLAN_STATUS_INVALID_IE; 254 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) { 255 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 256 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 257 } 258 #endif /* CONFIG_IEEE80211W */ 259 else { 260 reason = WLAN_REASON_INVALID_IE; 261 status = WLAN_STATUS_INVALID_IE; 262 } 263 goto fail; 264 } 265 #ifdef CONFIG_IEEE80211W 266 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 267 sta->sa_query_count > 0) 268 ap_check_sa_query_timeout(hapd, sta); 269 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 270 (sta->auth_alg != WLAN_AUTH_FT)) { 271 /* 272 * STA has already been associated with MFP and SA 273 * Query timeout has not been reached. Reject the 274 * association attempt temporarily and start SA Query, 275 * if one is not pending. 276 */ 277 278 if (sta->sa_query_count == 0) 279 ap_sta_start_sa_query(hapd, sta); 280 281 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; 282 283 p = hostapd_eid_assoc_comeback_time(hapd, sta, p); 284 285 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, 286 p - buf); 287 return 0; 288 } 289 290 if (wpa_auth_uses_mfp(sta->wpa_sm)) 291 sta->flags |= WLAN_STA_MFP; 292 else 293 sta->flags &= ~WLAN_STA_MFP; 294 #endif /* CONFIG_IEEE80211W */ 295 296 #ifdef CONFIG_IEEE80211R 297 if (sta->auth_alg == WLAN_AUTH_FT) { 298 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies, 299 req_ies_len); 300 if (status != WLAN_STATUS_SUCCESS) { 301 if (status == WLAN_STATUS_INVALID_PMKID) 302 reason = WLAN_REASON_INVALID_IE; 303 if (status == WLAN_STATUS_INVALID_MDIE) 304 reason = WLAN_REASON_INVALID_IE; 305 if (status == WLAN_STATUS_INVALID_FTIE) 306 reason = WLAN_REASON_INVALID_IE; 307 goto fail; 308 } 309 } 310 #endif /* CONFIG_IEEE80211R */ 311 } else if (hapd->conf->wps_state) { 312 #ifdef CONFIG_WPS 313 struct wpabuf *wps; 314 315 if (req_ies) 316 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 317 WPS_IE_VENDOR_TYPE); 318 else 319 wps = NULL; 320 #ifdef CONFIG_WPS_STRICT 321 if (wps && wps_validate_assoc_req(wps) < 0) { 322 reason = WLAN_REASON_INVALID_IE; 323 status = WLAN_STATUS_INVALID_IE; 324 wpabuf_free(wps); 325 goto fail; 326 } 327 #endif /* CONFIG_WPS_STRICT */ 328 if (wps) { 329 sta->flags |= WLAN_STA_WPS; 330 if (wps_is_20(wps)) { 331 wpa_printf(MSG_DEBUG, 332 "WPS: STA supports WPS 2.0"); 333 sta->flags |= WLAN_STA_WPS2; 334 } 335 } else 336 sta->flags |= WLAN_STA_MAYBE_WPS; 337 wpabuf_free(wps); 338 #endif /* CONFIG_WPS */ 339 #ifdef CONFIG_HS20 340 } else if (hapd->conf->osen) { 341 if (elems.osen == NULL) { 342 hostapd_logger( 343 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 344 HOSTAPD_LEVEL_INFO, 345 "No HS 2.0 OSEN element in association request"); 346 return WLAN_STATUS_INVALID_IE; 347 } 348 349 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association"); 350 if (sta->wpa_sm == NULL) 351 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 352 sta->addr, NULL); 353 if (sta->wpa_sm == NULL) { 354 wpa_printf(MSG_WARNING, 355 "Failed to initialize WPA state machine"); 356 return WLAN_STATUS_UNSPECIFIED_FAILURE; 357 } 358 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm, 359 elems.osen - 2, elems.osen_len + 2) < 0) 360 return WLAN_STATUS_INVALID_IE; 361 #endif /* CONFIG_HS20 */ 362 } 363 364 #ifdef CONFIG_MBO 365 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) && 366 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) && 367 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 368 wpa_printf(MSG_INFO, 369 "MBO: Reject WPA2 association without PMF"); 370 return WLAN_STATUS_UNSPECIFIED_FAILURE; 371 } 372 #endif /* CONFIG_MBO */ 373 374 #ifdef CONFIG_WPS 375 skip_wpa_check: 376 #endif /* CONFIG_WPS */ 377 378 #ifdef CONFIG_IEEE80211R 379 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf), 380 sta->auth_alg, req_ies, req_ies_len); 381 382 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 383 384 if (sta->auth_alg == WLAN_AUTH_FT) 385 ap_sta_set_authorized(hapd, sta, 1); 386 #else /* CONFIG_IEEE80211R */ 387 /* Keep compiler silent about unused variables */ 388 if (status) { 389 } 390 #endif /* CONFIG_IEEE80211R */ 391 392 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0; 393 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; 394 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; 395 396 hostapd_set_sta_flags(hapd, sta); 397 398 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT)) 399 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); 400 else 401 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); 402 403 hostapd_new_assoc_sta(hapd, sta, !new_assoc); 404 405 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); 406 407 #ifdef CONFIG_P2P 408 if (req_ies) { 409 p2p_group_notif_assoc(hapd->p2p_group, sta->addr, 410 req_ies, req_ies_len); 411 } 412 #endif /* CONFIG_P2P */ 413 414 return 0; 415 416 fail: 417 #ifdef CONFIG_IEEE80211R 418 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 419 #endif /* CONFIG_IEEE80211R */ 420 hostapd_drv_sta_disassoc(hapd, sta->addr, reason); 421 ap_free_sta(hapd, sta); 422 return -1; 423 } 424 425 426 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr) 427 { 428 struct sta_info *sta; 429 430 if (addr == NULL) { 431 /* 432 * This could potentially happen with unexpected event from the 433 * driver wrapper. This was seen at least in one case where the 434 * driver ended up reporting a station mode event while hostapd 435 * was running, so better make sure we stop processing such an 436 * event here. 437 */ 438 wpa_printf(MSG_DEBUG, 439 "hostapd_notif_disassoc: Skip event with no address"); 440 return; 441 } 442 443 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 444 HOSTAPD_LEVEL_INFO, "disassociated"); 445 446 sta = ap_get_sta(hapd, addr); 447 if (sta == NULL) { 448 wpa_printf(MSG_DEBUG, 449 "Disassociation notification for unknown STA " 450 MACSTR, MAC2STR(addr)); 451 return; 452 } 453 454 ap_sta_set_authorized(hapd, sta, 0); 455 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); 456 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); 457 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; 458 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); 459 ap_free_sta(hapd, sta); 460 } 461 462 463 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr) 464 { 465 struct sta_info *sta = ap_get_sta(hapd, addr); 466 467 if (!sta || !hapd->conf->disassoc_low_ack) 468 return; 469 470 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 471 HOSTAPD_LEVEL_INFO, 472 "disconnected due to excessive missing ACKs"); 473 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK); 474 if (sta) 475 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); 476 } 477 478 479 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 480 int offset, int width, int cf1, int cf2) 481 { 482 #ifdef NEED_AP_MLME 483 int channel, chwidth, is_dfs; 484 u8 seg0_idx = 0, seg1_idx = 0; 485 486 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 487 HOSTAPD_LEVEL_INFO, 488 "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", 489 freq, ht, offset, width, channel_width_to_string(width), 490 cf1, cf2); 491 492 hapd->iface->freq = freq; 493 494 channel = hostapd_hw_get_channel(hapd, freq); 495 if (!channel) { 496 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 497 HOSTAPD_LEVEL_WARNING, 498 "driver switched to bad channel!"); 499 return; 500 } 501 502 switch (width) { 503 case CHAN_WIDTH_80: 504 chwidth = VHT_CHANWIDTH_80MHZ; 505 break; 506 case CHAN_WIDTH_80P80: 507 chwidth = VHT_CHANWIDTH_80P80MHZ; 508 break; 509 case CHAN_WIDTH_160: 510 chwidth = VHT_CHANWIDTH_160MHZ; 511 break; 512 case CHAN_WIDTH_20_NOHT: 513 case CHAN_WIDTH_20: 514 case CHAN_WIDTH_40: 515 default: 516 chwidth = VHT_CHANWIDTH_USE_HT; 517 break; 518 } 519 520 switch (hapd->iface->current_mode->mode) { 521 case HOSTAPD_MODE_IEEE80211A: 522 if (cf1 > 5000) 523 seg0_idx = (cf1 - 5000) / 5; 524 if (cf2 > 5000) 525 seg1_idx = (cf2 - 5000) / 5; 526 break; 527 default: 528 ieee80211_freq_to_chan(cf1, &seg0_idx); 529 ieee80211_freq_to_chan(cf2, &seg1_idx); 530 break; 531 } 532 533 hapd->iconf->channel = channel; 534 hapd->iconf->ieee80211n = ht; 535 if (!ht) 536 hapd->iconf->ieee80211ac = 0; 537 hapd->iconf->secondary_channel = offset; 538 hapd->iconf->vht_oper_chwidth = chwidth; 539 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; 540 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; 541 542 is_dfs = ieee80211_is_dfs(freq); 543 544 if (hapd->csa_in_progress && 545 freq == hapd->cs_freq_params.freq) { 546 hostapd_cleanup_cs_params(hapd); 547 ieee802_11_set_beacon(hapd); 548 549 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 550 "freq=%d dfs=%d", freq, is_dfs); 551 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { 552 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 553 "freq=%d dfs=%d", freq, is_dfs); 554 } 555 #endif /* NEED_AP_MLME */ 556 } 557 558 559 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 560 const u8 *addr, int reason_code) 561 { 562 switch (reason_code) { 563 case MAX_CLIENT_REACHED: 564 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, 565 MAC2STR(addr)); 566 break; 567 case BLOCKED_CLIENT: 568 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, 569 MAC2STR(addr)); 570 break; 571 } 572 } 573 574 575 #ifdef CONFIG_ACS 576 void hostapd_acs_channel_selected(struct hostapd_data *hapd, 577 struct acs_selected_channels *acs_res) 578 { 579 int ret, i; 580 int err = 0; 581 582 if (hapd->iconf->channel) { 583 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", 584 hapd->iconf->channel); 585 return; 586 } 587 588 if (!hapd->iface->current_mode) { 589 for (i = 0; i < hapd->iface->num_hw_features; i++) { 590 struct hostapd_hw_modes *mode = 591 &hapd->iface->hw_features[i]; 592 593 if (mode->mode == acs_res->hw_mode) { 594 hapd->iface->current_mode = mode; 595 break; 596 } 597 } 598 if (!hapd->iface->current_mode) { 599 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 600 HOSTAPD_LEVEL_WARNING, 601 "driver selected to bad hw_mode"); 602 err = 1; 603 goto out; 604 } 605 } 606 607 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); 608 609 if (!acs_res->pri_channel) { 610 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 611 HOSTAPD_LEVEL_WARNING, 612 "driver switched to bad channel"); 613 err = 1; 614 goto out; 615 } 616 617 hapd->iconf->channel = acs_res->pri_channel; 618 hapd->iconf->acs = 1; 619 620 if (acs_res->sec_channel == 0) 621 hapd->iconf->secondary_channel = 0; 622 else if (acs_res->sec_channel < acs_res->pri_channel) 623 hapd->iconf->secondary_channel = -1; 624 else if (acs_res->sec_channel > acs_res->pri_channel) 625 hapd->iconf->secondary_channel = 1; 626 else { 627 wpa_printf(MSG_ERROR, "Invalid secondary channel!"); 628 err = 1; 629 goto out; 630 } 631 632 if (hapd->iface->conf->ieee80211ac) { 633 /* set defaults for backwards compatibility */ 634 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; 635 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; 636 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; 637 if (acs_res->ch_width == 80) { 638 hapd->iconf->vht_oper_centr_freq_seg0_idx = 639 acs_res->vht_seg0_center_ch; 640 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; 641 } else if (acs_res->ch_width == 160) { 642 if (acs_res->vht_seg1_center_ch == 0) { 643 hapd->iconf->vht_oper_centr_freq_seg0_idx = 644 acs_res->vht_seg0_center_ch; 645 hapd->iconf->vht_oper_chwidth = 646 VHT_CHANWIDTH_160MHZ; 647 } else { 648 hapd->iconf->vht_oper_centr_freq_seg0_idx = 649 acs_res->vht_seg0_center_ch; 650 hapd->iconf->vht_oper_centr_freq_seg1_idx = 651 acs_res->vht_seg1_center_ch; 652 hapd->iconf->vht_oper_chwidth = 653 VHT_CHANWIDTH_80P80MHZ; 654 } 655 } 656 } 657 658 out: 659 ret = hostapd_acs_completed(hapd->iface, err); 660 if (ret) { 661 wpa_printf(MSG_ERROR, 662 "ACS: Possibly channel configuration is invalid"); 663 } 664 } 665 #endif /* CONFIG_ACS */ 666 667 668 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 669 const u8 *bssid, const u8 *ie, size_t ie_len, 670 int ssi_signal) 671 { 672 size_t i; 673 int ret = 0; 674 675 if (sa == NULL || ie == NULL) 676 return -1; 677 678 random_add_randomness(sa, ETH_ALEN); 679 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { 680 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 681 sa, da, bssid, ie, ie_len, 682 ssi_signal) > 0) { 683 ret = 1; 684 break; 685 } 686 } 687 return ret; 688 } 689 690 691 #ifdef HOSTAPD 692 693 #ifdef CONFIG_IEEE80211R 694 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, 695 const u8 *bssid, 696 u16 auth_transaction, u16 status, 697 const u8 *ies, size_t ies_len) 698 { 699 struct hostapd_data *hapd = ctx; 700 struct sta_info *sta; 701 702 sta = ap_get_sta(hapd, dst); 703 if (sta == NULL) 704 return; 705 706 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, 707 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); 708 sta->flags |= WLAN_STA_AUTH; 709 710 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); 711 } 712 #endif /* CONFIG_IEEE80211R */ 713 714 715 static void hostapd_notif_auth(struct hostapd_data *hapd, 716 struct auth_info *rx_auth) 717 { 718 struct sta_info *sta; 719 u16 status = WLAN_STATUS_SUCCESS; 720 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; 721 size_t resp_ies_len = 0; 722 723 sta = ap_get_sta(hapd, rx_auth->peer); 724 if (!sta) { 725 sta = ap_sta_add(hapd, rx_auth->peer); 726 if (sta == NULL) { 727 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; 728 goto fail; 729 } 730 } 731 sta->flags &= ~WLAN_STA_PREAUTH; 732 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); 733 #ifdef CONFIG_IEEE80211R 734 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { 735 sta->auth_alg = WLAN_AUTH_FT; 736 if (sta->wpa_sm == NULL) 737 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 738 sta->addr, NULL); 739 if (sta->wpa_sm == NULL) { 740 wpa_printf(MSG_DEBUG, 741 "FT: Failed to initialize WPA state machine"); 742 status = WLAN_STATUS_UNSPECIFIED_FAILURE; 743 goto fail; 744 } 745 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, 746 rx_auth->auth_transaction, rx_auth->ies, 747 rx_auth->ies_len, 748 hostapd_notify_auth_ft_finish, hapd); 749 return; 750 } 751 #endif /* CONFIG_IEEE80211R */ 752 fail: 753 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, 754 status, resp_ies, resp_ies_len); 755 } 756 757 758 static void hostapd_action_rx(struct hostapd_data *hapd, 759 struct rx_mgmt *drv_mgmt) 760 { 761 struct ieee80211_mgmt *mgmt; 762 struct sta_info *sta; 763 size_t plen __maybe_unused; 764 u16 fc; 765 766 if (drv_mgmt->frame_len < 24 + 1) 767 return; 768 769 plen = drv_mgmt->frame_len - 24 - 1; 770 771 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; 772 fc = le_to_host16(mgmt->frame_control); 773 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) 774 return; /* handled by the driver */ 775 776 wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d", 777 mgmt->u.action.category, (int) plen); 778 779 sta = ap_get_sta(hapd, mgmt->sa); 780 if (sta == NULL) { 781 wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 782 return; 783 } 784 #ifdef CONFIG_IEEE80211R 785 if (mgmt->u.action.category == WLAN_ACTION_FT) { 786 const u8 *payload = drv_mgmt->frame + 24 + 1; 787 788 wpa_ft_action_rx(sta->wpa_sm, payload, plen); 789 } 790 #endif /* CONFIG_IEEE80211R */ 791 #ifdef CONFIG_IEEE80211W 792 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) { 793 ieee802_11_sa_query_action( 794 hapd, mgmt->sa, 795 mgmt->u.action.u.sa_query_resp.action, 796 mgmt->u.action.u.sa_query_resp.trans_id); 797 } 798 #endif /* CONFIG_IEEE80211W */ 799 #ifdef CONFIG_WNM 800 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 801 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); 802 } 803 #endif /* CONFIG_WNM */ 804 #ifdef CONFIG_FST 805 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { 806 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); 807 return; 808 } 809 #endif /* CONFIG_FST */ 810 811 } 812 813 814 #ifdef NEED_AP_MLME 815 816 #define HAPD_BROADCAST ((struct hostapd_data *) -1) 817 818 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, 819 const u8 *bssid) 820 { 821 size_t i; 822 823 if (bssid == NULL) 824 return NULL; 825 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && 826 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) 827 return HAPD_BROADCAST; 828 829 for (i = 0; i < iface->num_bss; i++) { 830 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) 831 return iface->bss[i]; 832 } 833 834 return NULL; 835 } 836 837 838 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, 839 const u8 *bssid, const u8 *addr, 840 int wds) 841 { 842 hapd = get_hapd_bssid(hapd->iface, bssid); 843 if (hapd == NULL || hapd == HAPD_BROADCAST) 844 return; 845 846 ieee802_11_rx_from_unknown(hapd, addr, wds); 847 } 848 849 850 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) 851 { 852 struct hostapd_iface *iface = hapd->iface; 853 const struct ieee80211_hdr *hdr; 854 const u8 *bssid; 855 struct hostapd_frame_info fi; 856 int ret; 857 858 #ifdef CONFIG_TESTING_OPTIONS 859 if (hapd->ext_mgmt_frame_handling) { 860 size_t hex_len = 2 * rx_mgmt->frame_len + 1; 861 char *hex = os_malloc(hex_len); 862 863 if (hex) { 864 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, 865 rx_mgmt->frame_len); 866 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); 867 os_free(hex); 868 } 869 return 1; 870 } 871 #endif /* CONFIG_TESTING_OPTIONS */ 872 873 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; 874 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); 875 if (bssid == NULL) 876 return 0; 877 878 hapd = get_hapd_bssid(iface, bssid); 879 if (hapd == NULL) { 880 u16 fc = le_to_host16(hdr->frame_control); 881 882 /* 883 * Drop frames to unknown BSSIDs except for Beacon frames which 884 * could be used to update neighbor information. 885 */ 886 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 887 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 888 hapd = iface->bss[0]; 889 else 890 return 0; 891 } 892 893 os_memset(&fi, 0, sizeof(fi)); 894 fi.datarate = rx_mgmt->datarate; 895 fi.ssi_signal = rx_mgmt->ssi_signal; 896 897 if (hapd == HAPD_BROADCAST) { 898 size_t i; 899 900 ret = 0; 901 for (i = 0; i < iface->num_bss; i++) { 902 /* if bss is set, driver will call this function for 903 * each bss individually. */ 904 if (rx_mgmt->drv_priv && 905 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) 906 continue; 907 908 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, 909 rx_mgmt->frame_len, &fi) > 0) 910 ret = 1; 911 } 912 } else 913 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, 914 &fi); 915 916 random_add_randomness(&fi, sizeof(fi)); 917 918 return ret; 919 } 920 921 922 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, 923 size_t len, u16 stype, int ok) 924 { 925 struct ieee80211_hdr *hdr; 926 struct hostapd_data *orig_hapd = hapd; 927 928 hdr = (struct ieee80211_hdr *) buf; 929 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 930 if (!hapd) 931 return; 932 if (hapd == HAPD_BROADCAST) { 933 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 || 934 buf[24] != WLAN_ACTION_PUBLIC) 935 return; 936 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2); 937 if (!hapd || hapd == HAPD_BROADCAST) 938 return; 939 /* 940 * Allow processing of TX status for a Public Action frame that 941 * used wildcard BBSID. 942 */ 943 } 944 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); 945 } 946 947 #endif /* NEED_AP_MLME */ 948 949 950 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) 951 { 952 struct sta_info *sta = ap_get_sta(hapd, addr); 953 954 if (sta) 955 return 0; 956 957 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR 958 " - adding a new STA", MAC2STR(addr)); 959 sta = ap_sta_add(hapd, addr); 960 if (sta) { 961 hostapd_new_assoc_sta(hapd, sta, 0); 962 } else { 963 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, 964 MAC2STR(addr)); 965 return -1; 966 } 967 968 return 0; 969 } 970 971 972 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, 973 const u8 *data, size_t data_len) 974 { 975 struct hostapd_iface *iface = hapd->iface; 976 struct sta_info *sta; 977 size_t j; 978 979 for (j = 0; j < iface->num_bss; j++) { 980 sta = ap_get_sta(iface->bss[j], src); 981 if (sta && sta->flags & WLAN_STA_ASSOC) { 982 hapd = iface->bss[j]; 983 break; 984 } 985 } 986 987 ieee802_1x_receive(hapd, src, data, data_len); 988 } 989 990 #endif /* HOSTAPD */ 991 992 993 static struct hostapd_channel_data * hostapd_get_mode_channel( 994 struct hostapd_iface *iface, unsigned int freq) 995 { 996 int i; 997 struct hostapd_channel_data *chan; 998 999 for (i = 0; i < iface->current_mode->num_channels; i++) { 1000 chan = &iface->current_mode->channels[i]; 1001 if ((unsigned int) chan->freq == freq) 1002 return chan; 1003 } 1004 1005 return NULL; 1006 } 1007 1008 1009 static void hostapd_update_nf(struct hostapd_iface *iface, 1010 struct hostapd_channel_data *chan, 1011 struct freq_survey *survey) 1012 { 1013 if (!iface->chans_surveyed) { 1014 chan->min_nf = survey->nf; 1015 iface->lowest_nf = survey->nf; 1016 } else { 1017 if (dl_list_empty(&chan->survey_list)) 1018 chan->min_nf = survey->nf; 1019 else if (survey->nf < chan->min_nf) 1020 chan->min_nf = survey->nf; 1021 if (survey->nf < iface->lowest_nf) 1022 iface->lowest_nf = survey->nf; 1023 } 1024 } 1025 1026 1027 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, 1028 struct survey_results *survey_res) 1029 { 1030 struct hostapd_channel_data *chan; 1031 struct freq_survey *survey; 1032 u64 divisor, dividend; 1033 1034 survey = dl_list_first(&survey_res->survey_list, struct freq_survey, 1035 list); 1036 if (!survey || !survey->freq) 1037 return; 1038 1039 chan = hostapd_get_mode_channel(iface, survey->freq); 1040 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) 1041 return; 1042 1043 wpa_printf(MSG_DEBUG, 1044 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", 1045 survey->freq, 1046 (unsigned long int) survey->channel_time, 1047 (unsigned long int) survey->channel_time_busy); 1048 1049 if (survey->channel_time > iface->last_channel_time && 1050 survey->channel_time > survey->channel_time_busy) { 1051 dividend = survey->channel_time_busy - 1052 iface->last_channel_time_busy; 1053 divisor = survey->channel_time - iface->last_channel_time; 1054 1055 iface->channel_utilization = dividend * 255 / divisor; 1056 wpa_printf(MSG_DEBUG, "Channel Utilization: %d", 1057 iface->channel_utilization); 1058 } 1059 iface->last_channel_time = survey->channel_time; 1060 iface->last_channel_time_busy = survey->channel_time_busy; 1061 } 1062 1063 1064 void hostapd_event_get_survey(struct hostapd_iface *iface, 1065 struct survey_results *survey_results) 1066 { 1067 struct freq_survey *survey, *tmp; 1068 struct hostapd_channel_data *chan; 1069 1070 if (dl_list_empty(&survey_results->survey_list)) { 1071 wpa_printf(MSG_DEBUG, "No survey data received"); 1072 return; 1073 } 1074 1075 if (survey_results->freq_filter) { 1076 hostapd_single_channel_get_survey(iface, survey_results); 1077 return; 1078 } 1079 1080 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, 1081 struct freq_survey, list) { 1082 chan = hostapd_get_mode_channel(iface, survey->freq); 1083 if (!chan) 1084 continue; 1085 if (chan->flag & HOSTAPD_CHAN_DISABLED) 1086 continue; 1087 1088 dl_list_del(&survey->list); 1089 dl_list_add_tail(&chan->survey_list, &survey->list); 1090 1091 hostapd_update_nf(iface, chan, survey); 1092 1093 iface->chans_surveyed++; 1094 } 1095 } 1096 1097 1098 #ifdef HOSTAPD 1099 #ifdef NEED_AP_MLME 1100 1101 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) 1102 { 1103 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", 1104 hapd->conf->iface); 1105 1106 if (hapd->csa_in_progress) { 1107 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", 1108 hapd->conf->iface); 1109 hostapd_switch_channel_fallback(hapd->iface, 1110 &hapd->cs_freq_params); 1111 } 1112 } 1113 1114 1115 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, 1116 struct dfs_event *radar) 1117 { 1118 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); 1119 hostapd_dfs_radar_detected(hapd->iface, 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_cac_finished(struct hostapd_data *hapd, 1126 struct dfs_event *radar) 1127 { 1128 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); 1129 hostapd_dfs_complete_cac(hapd->iface, 1, 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_aborted(struct hostapd_data *hapd, 1136 struct dfs_event *radar) 1137 { 1138 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); 1139 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, 1140 radar->chan_offset, radar->chan_width, 1141 radar->cf1, radar->cf2); 1142 } 1143 1144 1145 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, 1146 struct dfs_event *radar) 1147 { 1148 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); 1149 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, 1150 radar->chan_offset, radar->chan_width, 1151 radar->cf1, radar->cf2); 1152 } 1153 1154 1155 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, 1156 struct dfs_event *radar) 1157 { 1158 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); 1159 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, 1160 radar->chan_offset, radar->chan_width, 1161 radar->cf1, radar->cf2); 1162 } 1163 1164 #endif /* NEED_AP_MLME */ 1165 1166 1167 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 1168 union wpa_event_data *data) 1169 { 1170 struct hostapd_data *hapd = ctx; 1171 #ifndef CONFIG_NO_STDOUT_DEBUG 1172 int level = MSG_DEBUG; 1173 1174 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && 1175 data->rx_mgmt.frame_len >= 24) { 1176 const struct ieee80211_hdr *hdr; 1177 u16 fc; 1178 1179 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 1180 fc = le_to_host16(hdr->frame_control); 1181 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1182 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 1183 level = MSG_EXCESSIVE; 1184 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1185 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) 1186 level = MSG_EXCESSIVE; 1187 } 1188 1189 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", 1190 event_to_string(event), event); 1191 #endif /* CONFIG_NO_STDOUT_DEBUG */ 1192 1193 switch (event) { 1194 case EVENT_MICHAEL_MIC_FAILURE: 1195 michael_mic_failure(hapd, data->michael_mic_failure.src, 1); 1196 break; 1197 case EVENT_SCAN_RESULTS: 1198 if (hapd->iface->scan_cb) 1199 hapd->iface->scan_cb(hapd->iface); 1200 break; 1201 case EVENT_WPS_BUTTON_PUSHED: 1202 hostapd_wps_button_pushed(hapd, NULL); 1203 break; 1204 #ifdef NEED_AP_MLME 1205 case EVENT_TX_STATUS: 1206 switch (data->tx_status.type) { 1207 case WLAN_FC_TYPE_MGMT: 1208 hostapd_mgmt_tx_cb(hapd, data->tx_status.data, 1209 data->tx_status.data_len, 1210 data->tx_status.stype, 1211 data->tx_status.ack); 1212 break; 1213 case WLAN_FC_TYPE_DATA: 1214 hostapd_tx_status(hapd, data->tx_status.dst, 1215 data->tx_status.data, 1216 data->tx_status.data_len, 1217 data->tx_status.ack); 1218 break; 1219 } 1220 break; 1221 case EVENT_EAPOL_TX_STATUS: 1222 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, 1223 data->eapol_tx_status.data, 1224 data->eapol_tx_status.data_len, 1225 data->eapol_tx_status.ack); 1226 break; 1227 case EVENT_DRIVER_CLIENT_POLL_OK: 1228 hostapd_client_poll_ok(hapd, data->client_poll.addr); 1229 break; 1230 case EVENT_RX_FROM_UNKNOWN: 1231 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, 1232 data->rx_from_unknown.addr, 1233 data->rx_from_unknown.wds); 1234 break; 1235 #endif /* NEED_AP_MLME */ 1236 case EVENT_RX_MGMT: 1237 if (!data->rx_mgmt.frame) 1238 break; 1239 #ifdef NEED_AP_MLME 1240 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0) 1241 break; 1242 #endif /* NEED_AP_MLME */ 1243 hostapd_action_rx(hapd, &data->rx_mgmt); 1244 break; 1245 case EVENT_RX_PROBE_REQ: 1246 if (data->rx_probe_req.sa == NULL || 1247 data->rx_probe_req.ie == NULL) 1248 break; 1249 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, 1250 data->rx_probe_req.da, 1251 data->rx_probe_req.bssid, 1252 data->rx_probe_req.ie, 1253 data->rx_probe_req.ie_len, 1254 data->rx_probe_req.ssi_signal); 1255 break; 1256 case EVENT_NEW_STA: 1257 hostapd_event_new_sta(hapd, data->new_sta.addr); 1258 break; 1259 case EVENT_EAPOL_RX: 1260 hostapd_event_eapol_rx(hapd, data->eapol_rx.src, 1261 data->eapol_rx.data, 1262 data->eapol_rx.data_len); 1263 break; 1264 case EVENT_ASSOC: 1265 if (!data) 1266 return; 1267 hostapd_notif_assoc(hapd, data->assoc_info.addr, 1268 data->assoc_info.req_ies, 1269 data->assoc_info.req_ies_len, 1270 data->assoc_info.reassoc); 1271 break; 1272 case EVENT_DISASSOC: 1273 if (data) 1274 hostapd_notif_disassoc(hapd, data->disassoc_info.addr); 1275 break; 1276 case EVENT_DEAUTH: 1277 if (data) 1278 hostapd_notif_disassoc(hapd, data->deauth_info.addr); 1279 break; 1280 case EVENT_STATION_LOW_ACK: 1281 if (!data) 1282 break; 1283 hostapd_event_sta_low_ack(hapd, data->low_ack.addr); 1284 break; 1285 case EVENT_AUTH: 1286 hostapd_notif_auth(hapd, &data->auth); 1287 break; 1288 case EVENT_CH_SWITCH: 1289 if (!data) 1290 break; 1291 hostapd_event_ch_switch(hapd, data->ch_switch.freq, 1292 data->ch_switch.ht_enabled, 1293 data->ch_switch.ch_offset, 1294 data->ch_switch.ch_width, 1295 data->ch_switch.cf1, 1296 data->ch_switch.cf2); 1297 break; 1298 case EVENT_CONNECT_FAILED_REASON: 1299 if (!data) 1300 break; 1301 hostapd_event_connect_failed_reason( 1302 hapd, data->connect_failed_reason.addr, 1303 data->connect_failed_reason.code); 1304 break; 1305 case EVENT_SURVEY: 1306 hostapd_event_get_survey(hapd->iface, &data->survey_results); 1307 break; 1308 #ifdef NEED_AP_MLME 1309 case EVENT_INTERFACE_UNAVAILABLE: 1310 hostapd_event_iface_unavailable(hapd); 1311 break; 1312 case EVENT_DFS_RADAR_DETECTED: 1313 if (!data) 1314 break; 1315 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); 1316 break; 1317 case EVENT_DFS_CAC_FINISHED: 1318 if (!data) 1319 break; 1320 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); 1321 break; 1322 case EVENT_DFS_CAC_ABORTED: 1323 if (!data) 1324 break; 1325 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); 1326 break; 1327 case EVENT_DFS_NOP_FINISHED: 1328 if (!data) 1329 break; 1330 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); 1331 break; 1332 case EVENT_CHANNEL_LIST_CHANGED: 1333 /* channel list changed (regulatory?), update channel list */ 1334 /* TODO: check this. hostapd_get_hw_features() initializes 1335 * too much stuff. */ 1336 /* hostapd_get_hw_features(hapd->iface); */ 1337 hostapd_channel_list_updated( 1338 hapd->iface, data->channel_list_changed.initiator); 1339 break; 1340 case EVENT_DFS_CAC_STARTED: 1341 if (!data) 1342 break; 1343 hostapd_event_dfs_cac_started(hapd, &data->dfs_event); 1344 break; 1345 #endif /* NEED_AP_MLME */ 1346 case EVENT_INTERFACE_ENABLED: 1347 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); 1348 if (hapd->disabled && hapd->started) { 1349 hapd->disabled = 0; 1350 /* 1351 * Try to re-enable interface if the driver stopped it 1352 * when the interface got disabled. 1353 */ 1354 wpa_auth_reconfig_group_keys(hapd->wpa_auth); 1355 hapd->reenable_beacon = 1; 1356 ieee802_11_set_beacon(hapd); 1357 } 1358 break; 1359 case EVENT_INTERFACE_DISABLED: 1360 hostapd_free_stas(hapd); 1361 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); 1362 hapd->disabled = 1; 1363 break; 1364 #ifdef CONFIG_ACS 1365 case EVENT_ACS_CHANNEL_SELECTED: 1366 hostapd_acs_channel_selected(hapd, 1367 &data->acs_selected_channels); 1368 break; 1369 #endif /* CONFIG_ACS */ 1370 default: 1371 wpa_printf(MSG_DEBUG, "Unknown event %d", event); 1372 break; 1373 } 1374 } 1375 1376 1377 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 1378 union wpa_event_data *data) 1379 { 1380 struct hapd_interfaces *interfaces = ctx; 1381 struct hostapd_data *hapd; 1382 1383 if (event != EVENT_INTERFACE_STATUS) 1384 return; 1385 1386 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname); 1387 if (hapd && hapd->driver && hapd->driver->get_ifindex && 1388 hapd->drv_priv) { 1389 unsigned int ifindex; 1390 1391 ifindex = hapd->driver->get_ifindex(hapd->drv_priv); 1392 if (ifindex != data->interface_status.ifindex) { 1393 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, 1394 "interface status ifindex %d mismatch (%d)", 1395 ifindex, data->interface_status.ifindex); 1396 return; 1397 } 1398 } 1399 if (hapd) 1400 wpa_supplicant_event(hapd, event, data); 1401 } 1402 1403 #endif /* HOSTAPD */ 1404