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