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_AP) || defined(CONFIG_IEEE80211W) 49 u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; 50 u8 *p = buf; 51 #endif /* CONFIG_IEEE80211R_AP || 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_AP 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_AP */ 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_AP 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_AP */ 387 /* Keep compiler silent about unused variables */ 388 if (status) { 389 } 390 #endif /* CONFIG_IEEE80211R_AP */ 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_AP 418 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 419 #endif /* CONFIG_IEEE80211R_AP */ 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 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); 475 } 476 477 478 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 479 int offset, int width, int cf1, int cf2) 480 { 481 #ifdef NEED_AP_MLME 482 int channel, chwidth, is_dfs; 483 u8 seg0_idx = 0, seg1_idx = 0; 484 485 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 486 HOSTAPD_LEVEL_INFO, 487 "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", 488 freq, ht, offset, width, channel_width_to_string(width), 489 cf1, cf2); 490 491 hapd->iface->freq = freq; 492 493 channel = hostapd_hw_get_channel(hapd, freq); 494 if (!channel) { 495 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 496 HOSTAPD_LEVEL_WARNING, 497 "driver switched to bad channel!"); 498 return; 499 } 500 501 switch (width) { 502 case CHAN_WIDTH_80: 503 chwidth = VHT_CHANWIDTH_80MHZ; 504 break; 505 case CHAN_WIDTH_80P80: 506 chwidth = VHT_CHANWIDTH_80P80MHZ; 507 break; 508 case CHAN_WIDTH_160: 509 chwidth = VHT_CHANWIDTH_160MHZ; 510 break; 511 case CHAN_WIDTH_20_NOHT: 512 case CHAN_WIDTH_20: 513 case CHAN_WIDTH_40: 514 default: 515 chwidth = VHT_CHANWIDTH_USE_HT; 516 break; 517 } 518 519 switch (hapd->iface->current_mode->mode) { 520 case HOSTAPD_MODE_IEEE80211A: 521 if (cf1 > 5000) 522 seg0_idx = (cf1 - 5000) / 5; 523 if (cf2 > 5000) 524 seg1_idx = (cf2 - 5000) / 5; 525 break; 526 default: 527 ieee80211_freq_to_chan(cf1, &seg0_idx); 528 ieee80211_freq_to_chan(cf2, &seg1_idx); 529 break; 530 } 531 532 hapd->iconf->channel = channel; 533 hapd->iconf->ieee80211n = ht; 534 if (!ht) 535 hapd->iconf->ieee80211ac = 0; 536 hapd->iconf->secondary_channel = offset; 537 hapd->iconf->vht_oper_chwidth = chwidth; 538 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; 539 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; 540 541 is_dfs = ieee80211_is_dfs(freq); 542 543 if (hapd->csa_in_progress && 544 freq == hapd->cs_freq_params.freq) { 545 hostapd_cleanup_cs_params(hapd); 546 ieee802_11_set_beacon(hapd); 547 548 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 549 "freq=%d dfs=%d", freq, is_dfs); 550 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { 551 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 552 "freq=%d dfs=%d", freq, is_dfs); 553 } 554 #endif /* NEED_AP_MLME */ 555 } 556 557 558 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 559 const u8 *addr, int reason_code) 560 { 561 switch (reason_code) { 562 case MAX_CLIENT_REACHED: 563 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, 564 MAC2STR(addr)); 565 break; 566 case BLOCKED_CLIENT: 567 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, 568 MAC2STR(addr)); 569 break; 570 } 571 } 572 573 574 #ifdef CONFIG_ACS 575 void hostapd_acs_channel_selected(struct hostapd_data *hapd, 576 struct acs_selected_channels *acs_res) 577 { 578 int ret, i; 579 int err = 0; 580 581 if (hapd->iconf->channel) { 582 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", 583 hapd->iconf->channel); 584 return; 585 } 586 587 if (!hapd->iface->current_mode) { 588 for (i = 0; i < hapd->iface->num_hw_features; i++) { 589 struct hostapd_hw_modes *mode = 590 &hapd->iface->hw_features[i]; 591 592 if (mode->mode == acs_res->hw_mode) { 593 hapd->iface->current_mode = mode; 594 break; 595 } 596 } 597 if (!hapd->iface->current_mode) { 598 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 599 HOSTAPD_LEVEL_WARNING, 600 "driver selected to bad hw_mode"); 601 err = 1; 602 goto out; 603 } 604 } 605 606 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); 607 608 if (!acs_res->pri_channel) { 609 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 610 HOSTAPD_LEVEL_WARNING, 611 "driver switched to bad channel"); 612 err = 1; 613 goto out; 614 } 615 616 hapd->iconf->channel = acs_res->pri_channel; 617 hapd->iconf->acs = 1; 618 619 if (acs_res->sec_channel == 0) 620 hapd->iconf->secondary_channel = 0; 621 else if (acs_res->sec_channel < acs_res->pri_channel) 622 hapd->iconf->secondary_channel = -1; 623 else if (acs_res->sec_channel > acs_res->pri_channel) 624 hapd->iconf->secondary_channel = 1; 625 else { 626 wpa_printf(MSG_ERROR, "Invalid secondary channel!"); 627 err = 1; 628 goto out; 629 } 630 631 if (hapd->iface->conf->ieee80211ac) { 632 /* set defaults for backwards compatibility */ 633 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; 634 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; 635 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; 636 if (acs_res->ch_width == 80) { 637 hapd->iconf->vht_oper_centr_freq_seg0_idx = 638 acs_res->vht_seg0_center_ch; 639 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; 640 } else if (acs_res->ch_width == 160) { 641 if (acs_res->vht_seg1_center_ch == 0) { 642 hapd->iconf->vht_oper_centr_freq_seg0_idx = 643 acs_res->vht_seg0_center_ch; 644 hapd->iconf->vht_oper_chwidth = 645 VHT_CHANWIDTH_160MHZ; 646 } else { 647 hapd->iconf->vht_oper_centr_freq_seg0_idx = 648 acs_res->vht_seg0_center_ch; 649 hapd->iconf->vht_oper_centr_freq_seg1_idx = 650 acs_res->vht_seg1_center_ch; 651 hapd->iconf->vht_oper_chwidth = 652 VHT_CHANWIDTH_80P80MHZ; 653 } 654 } 655 } 656 657 out: 658 ret = hostapd_acs_completed(hapd->iface, err); 659 if (ret) { 660 wpa_printf(MSG_ERROR, 661 "ACS: Possibly channel configuration is invalid"); 662 } 663 } 664 #endif /* CONFIG_ACS */ 665 666 667 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 668 const u8 *bssid, const u8 *ie, size_t ie_len, 669 int ssi_signal) 670 { 671 size_t i; 672 int ret = 0; 673 674 if (sa == NULL || ie == NULL) 675 return -1; 676 677 random_add_randomness(sa, ETH_ALEN); 678 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { 679 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 680 sa, da, bssid, ie, ie_len, 681 ssi_signal) > 0) { 682 ret = 1; 683 break; 684 } 685 } 686 return ret; 687 } 688 689 690 #ifdef HOSTAPD 691 692 #ifdef CONFIG_IEEE80211R_AP 693 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, 694 const u8 *bssid, 695 u16 auth_transaction, u16 status, 696 const u8 *ies, size_t ies_len) 697 { 698 struct hostapd_data *hapd = ctx; 699 struct sta_info *sta; 700 701 sta = ap_get_sta(hapd, dst); 702 if (sta == NULL) 703 return; 704 705 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, 706 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); 707 sta->flags |= WLAN_STA_AUTH; 708 709 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); 710 } 711 #endif /* CONFIG_IEEE80211R_AP */ 712 713 714 static void hostapd_notif_auth(struct hostapd_data *hapd, 715 struct auth_info *rx_auth) 716 { 717 struct sta_info *sta; 718 u16 status = WLAN_STATUS_SUCCESS; 719 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; 720 size_t resp_ies_len = 0; 721 722 sta = ap_get_sta(hapd, rx_auth->peer); 723 if (!sta) { 724 sta = ap_sta_add(hapd, rx_auth->peer); 725 if (sta == NULL) { 726 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; 727 goto fail; 728 } 729 } 730 sta->flags &= ~WLAN_STA_PREAUTH; 731 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); 732 #ifdef CONFIG_IEEE80211R_AP 733 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { 734 sta->auth_alg = WLAN_AUTH_FT; 735 if (sta->wpa_sm == NULL) 736 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 737 sta->addr, NULL); 738 if (sta->wpa_sm == NULL) { 739 wpa_printf(MSG_DEBUG, 740 "FT: Failed to initialize WPA state machine"); 741 status = WLAN_STATUS_UNSPECIFIED_FAILURE; 742 goto fail; 743 } 744 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, 745 rx_auth->auth_transaction, rx_auth->ies, 746 rx_auth->ies_len, 747 hostapd_notify_auth_ft_finish, hapd); 748 return; 749 } 750 #endif /* CONFIG_IEEE80211R_AP */ 751 fail: 752 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, 753 status, resp_ies, resp_ies_len); 754 } 755 756 757 static void hostapd_action_rx(struct hostapd_data *hapd, 758 struct rx_mgmt *drv_mgmt) 759 { 760 struct ieee80211_mgmt *mgmt; 761 struct sta_info *sta; 762 size_t plen __maybe_unused; 763 u16 fc; 764 765 if (drv_mgmt->frame_len < 24 + 1) 766 return; 767 768 plen = drv_mgmt->frame_len - 24 - 1; 769 770 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; 771 fc = le_to_host16(mgmt->frame_control); 772 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) 773 return; /* handled by the driver */ 774 775 wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d", 776 mgmt->u.action.category, (int) plen); 777 778 sta = ap_get_sta(hapd, mgmt->sa); 779 if (sta == NULL) { 780 wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 781 return; 782 } 783 #ifdef CONFIG_IEEE80211R_AP 784 if (mgmt->u.action.category == WLAN_ACTION_FT) { 785 const u8 *payload = drv_mgmt->frame + 24 + 1; 786 787 wpa_ft_action_rx(sta->wpa_sm, payload, plen); 788 } 789 #endif /* CONFIG_IEEE80211R_AP */ 790 #ifdef CONFIG_IEEE80211W 791 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) { 792 ieee802_11_sa_query_action( 793 hapd, mgmt->sa, 794 mgmt->u.action.u.sa_query_resp.action, 795 mgmt->u.action.u.sa_query_resp.trans_id); 796 } 797 #endif /* CONFIG_IEEE80211W */ 798 #ifdef CONFIG_WNM 799 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 800 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); 801 } 802 #endif /* CONFIG_WNM */ 803 #ifdef CONFIG_FST 804 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { 805 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); 806 return; 807 } 808 #endif /* CONFIG_FST */ 809 810 } 811 812 813 #ifdef NEED_AP_MLME 814 815 #define HAPD_BROADCAST ((struct hostapd_data *) -1) 816 817 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, 818 const u8 *bssid) 819 { 820 size_t i; 821 822 if (bssid == NULL) 823 return NULL; 824 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && 825 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) 826 return HAPD_BROADCAST; 827 828 for (i = 0; i < iface->num_bss; i++) { 829 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) 830 return iface->bss[i]; 831 } 832 833 return NULL; 834 } 835 836 837 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, 838 const u8 *bssid, const u8 *addr, 839 int wds) 840 { 841 hapd = get_hapd_bssid(hapd->iface, bssid); 842 if (hapd == NULL || hapd == HAPD_BROADCAST) 843 return; 844 845 ieee802_11_rx_from_unknown(hapd, addr, wds); 846 } 847 848 849 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) 850 { 851 struct hostapd_iface *iface = hapd->iface; 852 const struct ieee80211_hdr *hdr; 853 const u8 *bssid; 854 struct hostapd_frame_info fi; 855 int ret; 856 857 #ifdef CONFIG_TESTING_OPTIONS 858 if (hapd->ext_mgmt_frame_handling) { 859 size_t hex_len = 2 * rx_mgmt->frame_len + 1; 860 char *hex = os_malloc(hex_len); 861 862 if (hex) { 863 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, 864 rx_mgmt->frame_len); 865 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); 866 os_free(hex); 867 } 868 return 1; 869 } 870 #endif /* CONFIG_TESTING_OPTIONS */ 871 872 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; 873 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); 874 if (bssid == NULL) 875 return 0; 876 877 hapd = get_hapd_bssid(iface, bssid); 878 if (hapd == NULL) { 879 u16 fc = le_to_host16(hdr->frame_control); 880 881 /* 882 * Drop frames to unknown BSSIDs except for Beacon frames which 883 * could be used to update neighbor information. 884 */ 885 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 886 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 887 hapd = iface->bss[0]; 888 else 889 return 0; 890 } 891 892 os_memset(&fi, 0, sizeof(fi)); 893 fi.datarate = rx_mgmt->datarate; 894 fi.ssi_signal = rx_mgmt->ssi_signal; 895 896 if (hapd == HAPD_BROADCAST) { 897 size_t i; 898 899 ret = 0; 900 for (i = 0; i < iface->num_bss; i++) { 901 /* if bss is set, driver will call this function for 902 * each bss individually. */ 903 if (rx_mgmt->drv_priv && 904 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) 905 continue; 906 907 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, 908 rx_mgmt->frame_len, &fi) > 0) 909 ret = 1; 910 } 911 } else 912 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, 913 &fi); 914 915 random_add_randomness(&fi, sizeof(fi)); 916 917 return ret; 918 } 919 920 921 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, 922 size_t len, u16 stype, int ok) 923 { 924 struct ieee80211_hdr *hdr; 925 struct hostapd_data *orig_hapd = hapd; 926 927 hdr = (struct ieee80211_hdr *) buf; 928 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 929 if (!hapd) 930 return; 931 if (hapd == HAPD_BROADCAST) { 932 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 || 933 buf[24] != WLAN_ACTION_PUBLIC) 934 return; 935 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2); 936 if (!hapd || hapd == HAPD_BROADCAST) 937 return; 938 /* 939 * Allow processing of TX status for a Public Action frame that 940 * used wildcard BBSID. 941 */ 942 } 943 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); 944 } 945 946 #endif /* NEED_AP_MLME */ 947 948 949 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) 950 { 951 struct sta_info *sta = ap_get_sta(hapd, addr); 952 953 if (sta) 954 return 0; 955 956 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR 957 " - adding a new STA", MAC2STR(addr)); 958 sta = ap_sta_add(hapd, addr); 959 if (sta) { 960 hostapd_new_assoc_sta(hapd, sta, 0); 961 } else { 962 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, 963 MAC2STR(addr)); 964 return -1; 965 } 966 967 return 0; 968 } 969 970 971 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, 972 const u8 *data, size_t data_len) 973 { 974 struct hostapd_iface *iface = hapd->iface; 975 struct sta_info *sta; 976 size_t j; 977 978 for (j = 0; j < iface->num_bss; j++) { 979 sta = ap_get_sta(iface->bss[j], src); 980 if (sta && sta->flags & WLAN_STA_ASSOC) { 981 hapd = iface->bss[j]; 982 break; 983 } 984 } 985 986 ieee802_1x_receive(hapd, src, data, data_len); 987 } 988 989 #endif /* HOSTAPD */ 990 991 992 static struct hostapd_channel_data * hostapd_get_mode_channel( 993 struct hostapd_iface *iface, unsigned int freq) 994 { 995 int i; 996 struct hostapd_channel_data *chan; 997 998 for (i = 0; i < iface->current_mode->num_channels; i++) { 999 chan = &iface->current_mode->channels[i]; 1000 if ((unsigned int) chan->freq == freq) 1001 return chan; 1002 } 1003 1004 return NULL; 1005 } 1006 1007 1008 static void hostapd_update_nf(struct hostapd_iface *iface, 1009 struct hostapd_channel_data *chan, 1010 struct freq_survey *survey) 1011 { 1012 if (!iface->chans_surveyed) { 1013 chan->min_nf = survey->nf; 1014 iface->lowest_nf = survey->nf; 1015 } else { 1016 if (dl_list_empty(&chan->survey_list)) 1017 chan->min_nf = survey->nf; 1018 else if (survey->nf < chan->min_nf) 1019 chan->min_nf = survey->nf; 1020 if (survey->nf < iface->lowest_nf) 1021 iface->lowest_nf = survey->nf; 1022 } 1023 } 1024 1025 1026 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, 1027 struct survey_results *survey_res) 1028 { 1029 struct hostapd_channel_data *chan; 1030 struct freq_survey *survey; 1031 u64 divisor, dividend; 1032 1033 survey = dl_list_first(&survey_res->survey_list, struct freq_survey, 1034 list); 1035 if (!survey || !survey->freq) 1036 return; 1037 1038 chan = hostapd_get_mode_channel(iface, survey->freq); 1039 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) 1040 return; 1041 1042 wpa_printf(MSG_DEBUG, 1043 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", 1044 survey->freq, 1045 (unsigned long int) survey->channel_time, 1046 (unsigned long int) survey->channel_time_busy); 1047 1048 if (survey->channel_time > iface->last_channel_time && 1049 survey->channel_time > survey->channel_time_busy) { 1050 dividend = survey->channel_time_busy - 1051 iface->last_channel_time_busy; 1052 divisor = survey->channel_time - iface->last_channel_time; 1053 1054 iface->channel_utilization = dividend * 255 / divisor; 1055 wpa_printf(MSG_DEBUG, "Channel Utilization: %d", 1056 iface->channel_utilization); 1057 } 1058 iface->last_channel_time = survey->channel_time; 1059 iface->last_channel_time_busy = survey->channel_time_busy; 1060 } 1061 1062 1063 void hostapd_event_get_survey(struct hostapd_iface *iface, 1064 struct survey_results *survey_results) 1065 { 1066 struct freq_survey *survey, *tmp; 1067 struct hostapd_channel_data *chan; 1068 1069 if (dl_list_empty(&survey_results->survey_list)) { 1070 wpa_printf(MSG_DEBUG, "No survey data received"); 1071 return; 1072 } 1073 1074 if (survey_results->freq_filter) { 1075 hostapd_single_channel_get_survey(iface, survey_results); 1076 return; 1077 } 1078 1079 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, 1080 struct freq_survey, list) { 1081 chan = hostapd_get_mode_channel(iface, survey->freq); 1082 if (!chan) 1083 continue; 1084 if (chan->flag & HOSTAPD_CHAN_DISABLED) 1085 continue; 1086 1087 dl_list_del(&survey->list); 1088 dl_list_add_tail(&chan->survey_list, &survey->list); 1089 1090 hostapd_update_nf(iface, chan, survey); 1091 1092 iface->chans_surveyed++; 1093 } 1094 } 1095 1096 1097 #ifdef HOSTAPD 1098 #ifdef NEED_AP_MLME 1099 1100 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) 1101 { 1102 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", 1103 hapd->conf->iface); 1104 1105 if (hapd->csa_in_progress) { 1106 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", 1107 hapd->conf->iface); 1108 hostapd_switch_channel_fallback(hapd->iface, 1109 &hapd->cs_freq_params); 1110 } 1111 } 1112 1113 1114 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, 1115 struct dfs_event *radar) 1116 { 1117 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); 1118 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled, 1119 radar->chan_offset, radar->chan_width, 1120 radar->cf1, radar->cf2); 1121 } 1122 1123 1124 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, 1125 struct dfs_event *radar) 1126 { 1127 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); 1128 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled, 1129 radar->chan_offset, radar->chan_width, 1130 radar->cf1, radar->cf2); 1131 } 1132 1133 1134 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, 1135 struct dfs_event *radar) 1136 { 1137 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); 1138 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, 1139 radar->chan_offset, radar->chan_width, 1140 radar->cf1, radar->cf2); 1141 } 1142 1143 1144 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, 1145 struct dfs_event *radar) 1146 { 1147 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); 1148 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, 1149 radar->chan_offset, radar->chan_width, 1150 radar->cf1, radar->cf2); 1151 } 1152 1153 1154 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, 1155 struct dfs_event *radar) 1156 { 1157 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); 1158 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, 1159 radar->chan_offset, radar->chan_width, 1160 radar->cf1, radar->cf2); 1161 } 1162 1163 #endif /* NEED_AP_MLME */ 1164 1165 1166 void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 1167 union wpa_event_data *data) 1168 { 1169 struct hostapd_data *hapd = ctx; 1170 #ifndef CONFIG_NO_STDOUT_DEBUG 1171 int level = MSG_DEBUG; 1172 1173 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && 1174 data->rx_mgmt.frame_len >= 24) { 1175 const struct ieee80211_hdr *hdr; 1176 u16 fc; 1177 1178 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 1179 fc = le_to_host16(hdr->frame_control); 1180 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1181 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 1182 level = MSG_EXCESSIVE; 1183 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1184 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) 1185 level = MSG_EXCESSIVE; 1186 } 1187 1188 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", 1189 event_to_string(event), event); 1190 #endif /* CONFIG_NO_STDOUT_DEBUG */ 1191 1192 switch (event) { 1193 case EVENT_MICHAEL_MIC_FAILURE: 1194 michael_mic_failure(hapd, data->michael_mic_failure.src, 1); 1195 break; 1196 case EVENT_SCAN_RESULTS: 1197 if (hapd->iface->scan_cb) 1198 hapd->iface->scan_cb(hapd->iface); 1199 break; 1200 case EVENT_WPS_BUTTON_PUSHED: 1201 hostapd_wps_button_pushed(hapd, NULL); 1202 break; 1203 #ifdef NEED_AP_MLME 1204 case EVENT_TX_STATUS: 1205 switch (data->tx_status.type) { 1206 case WLAN_FC_TYPE_MGMT: 1207 hostapd_mgmt_tx_cb(hapd, data->tx_status.data, 1208 data->tx_status.data_len, 1209 data->tx_status.stype, 1210 data->tx_status.ack); 1211 break; 1212 case WLAN_FC_TYPE_DATA: 1213 hostapd_tx_status(hapd, data->tx_status.dst, 1214 data->tx_status.data, 1215 data->tx_status.data_len, 1216 data->tx_status.ack); 1217 break; 1218 } 1219 break; 1220 case EVENT_EAPOL_TX_STATUS: 1221 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, 1222 data->eapol_tx_status.data, 1223 data->eapol_tx_status.data_len, 1224 data->eapol_tx_status.ack); 1225 break; 1226 case EVENT_DRIVER_CLIENT_POLL_OK: 1227 hostapd_client_poll_ok(hapd, data->client_poll.addr); 1228 break; 1229 case EVENT_RX_FROM_UNKNOWN: 1230 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, 1231 data->rx_from_unknown.addr, 1232 data->rx_from_unknown.wds); 1233 break; 1234 #endif /* NEED_AP_MLME */ 1235 case EVENT_RX_MGMT: 1236 if (!data->rx_mgmt.frame) 1237 break; 1238 #ifdef NEED_AP_MLME 1239 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0) 1240 break; 1241 #endif /* NEED_AP_MLME */ 1242 hostapd_action_rx(hapd, &data->rx_mgmt); 1243 break; 1244 case EVENT_RX_PROBE_REQ: 1245 if (data->rx_probe_req.sa == NULL || 1246 data->rx_probe_req.ie == NULL) 1247 break; 1248 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, 1249 data->rx_probe_req.da, 1250 data->rx_probe_req.bssid, 1251 data->rx_probe_req.ie, 1252 data->rx_probe_req.ie_len, 1253 data->rx_probe_req.ssi_signal); 1254 break; 1255 case EVENT_NEW_STA: 1256 hostapd_event_new_sta(hapd, data->new_sta.addr); 1257 break; 1258 case EVENT_EAPOL_RX: 1259 hostapd_event_eapol_rx(hapd, data->eapol_rx.src, 1260 data->eapol_rx.data, 1261 data->eapol_rx.data_len); 1262 break; 1263 case EVENT_ASSOC: 1264 if (!data) 1265 return; 1266 hostapd_notif_assoc(hapd, data->assoc_info.addr, 1267 data->assoc_info.req_ies, 1268 data->assoc_info.req_ies_len, 1269 data->assoc_info.reassoc); 1270 break; 1271 case EVENT_DISASSOC: 1272 if (data) 1273 hostapd_notif_disassoc(hapd, data->disassoc_info.addr); 1274 break; 1275 case EVENT_DEAUTH: 1276 if (data) 1277 hostapd_notif_disassoc(hapd, data->deauth_info.addr); 1278 break; 1279 case EVENT_STATION_LOW_ACK: 1280 if (!data) 1281 break; 1282 hostapd_event_sta_low_ack(hapd, data->low_ack.addr); 1283 break; 1284 case EVENT_AUTH: 1285 hostapd_notif_auth(hapd, &data->auth); 1286 break; 1287 case EVENT_CH_SWITCH: 1288 if (!data) 1289 break; 1290 hostapd_event_ch_switch(hapd, data->ch_switch.freq, 1291 data->ch_switch.ht_enabled, 1292 data->ch_switch.ch_offset, 1293 data->ch_switch.ch_width, 1294 data->ch_switch.cf1, 1295 data->ch_switch.cf2); 1296 break; 1297 case EVENT_CONNECT_FAILED_REASON: 1298 if (!data) 1299 break; 1300 hostapd_event_connect_failed_reason( 1301 hapd, data->connect_failed_reason.addr, 1302 data->connect_failed_reason.code); 1303 break; 1304 case EVENT_SURVEY: 1305 hostapd_event_get_survey(hapd->iface, &data->survey_results); 1306 break; 1307 #ifdef NEED_AP_MLME 1308 case EVENT_INTERFACE_UNAVAILABLE: 1309 hostapd_event_iface_unavailable(hapd); 1310 break; 1311 case EVENT_DFS_RADAR_DETECTED: 1312 if (!data) 1313 break; 1314 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); 1315 break; 1316 case EVENT_DFS_CAC_FINISHED: 1317 if (!data) 1318 break; 1319 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); 1320 break; 1321 case EVENT_DFS_CAC_ABORTED: 1322 if (!data) 1323 break; 1324 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); 1325 break; 1326 case EVENT_DFS_NOP_FINISHED: 1327 if (!data) 1328 break; 1329 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); 1330 break; 1331 case EVENT_CHANNEL_LIST_CHANGED: 1332 /* channel list changed (regulatory?), update channel list */ 1333 /* TODO: check this. hostapd_get_hw_features() initializes 1334 * too much stuff. */ 1335 /* hostapd_get_hw_features(hapd->iface); */ 1336 hostapd_channel_list_updated( 1337 hapd->iface, data->channel_list_changed.initiator); 1338 break; 1339 case EVENT_DFS_CAC_STARTED: 1340 if (!data) 1341 break; 1342 hostapd_event_dfs_cac_started(hapd, &data->dfs_event); 1343 break; 1344 #endif /* NEED_AP_MLME */ 1345 case EVENT_INTERFACE_ENABLED: 1346 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); 1347 if (hapd->disabled && hapd->started) { 1348 hapd->disabled = 0; 1349 /* 1350 * Try to re-enable interface if the driver stopped it 1351 * when the interface got disabled. 1352 */ 1353 wpa_auth_reconfig_group_keys(hapd->wpa_auth); 1354 hapd->reenable_beacon = 1; 1355 ieee802_11_set_beacon(hapd); 1356 } 1357 break; 1358 case EVENT_INTERFACE_DISABLED: 1359 hostapd_free_stas(hapd); 1360 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); 1361 hapd->disabled = 1; 1362 break; 1363 #ifdef CONFIG_ACS 1364 case EVENT_ACS_CHANNEL_SELECTED: 1365 hostapd_acs_channel_selected(hapd, 1366 &data->acs_selected_channels); 1367 break; 1368 #endif /* CONFIG_ACS */ 1369 default: 1370 wpa_printf(MSG_DEBUG, "Unknown event %d", event); 1371 break; 1372 } 1373 } 1374 1375 1376 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, 1377 union wpa_event_data *data) 1378 { 1379 struct hapd_interfaces *interfaces = ctx; 1380 struct hostapd_data *hapd; 1381 1382 if (event != EVENT_INTERFACE_STATUS) 1383 return; 1384 1385 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname); 1386 if (hapd && hapd->driver && hapd->driver->get_ifindex && 1387 hapd->drv_priv) { 1388 unsigned int ifindex; 1389 1390 ifindex = hapd->driver->get_ifindex(hapd->drv_priv); 1391 if (ifindex != data->interface_status.ifindex) { 1392 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, 1393 "interface status ifindex %d mismatch (%d)", 1394 ifindex, data->interface_status.ifindex); 1395 return; 1396 } 1397 } 1398 if (hapd) 1399 wpa_supplicant_event(hapd, event, data); 1400 } 1401 1402 #endif /* HOSTAPD */ 1403
