drv_callbacks.c revision 302408
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 "sta_info.h" 26#include "accounting.h" 27#include "tkip_countermeasures.h" 28#include "ieee802_1x.h" 29#include "wpa_auth.h" 30#include "wps_hostapd.h" 31#include "ap_drv_ops.h" 32#include "ap_config.h" 33#include "hw_features.h" 34#include "dfs.h" 35#include "beacon.h" 36 37 38int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 39 const u8 *req_ies, size_t req_ies_len, int reassoc) 40{ 41 struct sta_info *sta; 42 int new_assoc, res; 43 struct ieee802_11_elems elems; 44 const u8 *ie; 45 size_t ielen; 46#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 47 u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; 48 u8 *p = buf; 49#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 50 u16 reason = WLAN_REASON_UNSPECIFIED; 51 u16 status = WLAN_STATUS_SUCCESS; 52 const u8 *p2p_dev_addr = NULL; 53 54 if (addr == NULL) { 55 /* 56 * This could potentially happen with unexpected event from the 57 * driver wrapper. This was seen at least in one case where the 58 * driver ended up being set to station mode while hostapd was 59 * running, so better make sure we stop processing such an 60 * event here. 61 */ 62 wpa_printf(MSG_DEBUG, 63 "hostapd_notif_assoc: Skip event with no address"); 64 return -1; 65 } 66 random_add_randomness(addr, ETH_ALEN); 67 68 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 69 HOSTAPD_LEVEL_INFO, "associated"); 70 71 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0); 72 if (elems.wps_ie) { 73 ie = elems.wps_ie - 2; 74 ielen = elems.wps_ie_len + 2; 75 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq"); 76 } else if (elems.rsn_ie) { 77 ie = elems.rsn_ie - 2; 78 ielen = elems.rsn_ie_len + 2; 79 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq"); 80 } else if (elems.wpa_ie) { 81 ie = elems.wpa_ie - 2; 82 ielen = elems.wpa_ie_len + 2; 83 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq"); 84#ifdef CONFIG_HS20 85 } else if (elems.osen) { 86 ie = elems.osen - 2; 87 ielen = elems.osen_len + 2; 88 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq"); 89#endif /* CONFIG_HS20 */ 90 } else { 91 ie = NULL; 92 ielen = 0; 93 wpa_printf(MSG_DEBUG, 94 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq"); 95 } 96 97 sta = ap_get_sta(hapd, addr); 98 if (sta) { 99 ap_sta_no_session_timeout(hapd, sta); 100 accounting_sta_stop(hapd, sta); 101 102 /* 103 * Make sure that the previously registered inactivity timer 104 * will not remove the STA immediately. 105 */ 106 sta->timeout_next = STA_NULLFUNC; 107 } else { 108 sta = ap_sta_add(hapd, addr); 109 if (sta == NULL) { 110 hostapd_drv_sta_disassoc(hapd, addr, 111 WLAN_REASON_DISASSOC_AP_BUSY); 112 return -1; 113 } 114 } 115 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2); 116 117#ifdef CONFIG_P2P 118 if (elems.p2p) { 119 wpabuf_free(sta->p2p_ie); 120 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 121 P2P_IE_VENDOR_TYPE); 122 if (sta->p2p_ie) 123 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie); 124 } 125#endif /* CONFIG_P2P */ 126 127#ifdef CONFIG_IEEE80211N 128#ifdef NEED_AP_MLME 129 if (elems.ht_capabilities && 130 (hapd->iface->conf->ht_capab & 131 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) { 132 struct ieee80211_ht_capabilities *ht_cap = 133 (struct ieee80211_ht_capabilities *) 134 elems.ht_capabilities; 135 136 if (le_to_host16(ht_cap->ht_capabilities_info) & 137 HT_CAP_INFO_40MHZ_INTOLERANT) 138 ht40_intolerant_add(hapd->iface, sta); 139 } 140#endif /* NEED_AP_MLME */ 141#endif /* CONFIG_IEEE80211N */ 142 143#ifdef CONFIG_INTERWORKING 144 if (elems.ext_capab && elems.ext_capab_len > 4) { 145 if (elems.ext_capab[4] & 0x01) 146 sta->qos_map_enabled = 1; 147 } 148#endif /* CONFIG_INTERWORKING */ 149 150#ifdef CONFIG_HS20 151 wpabuf_free(sta->hs20_ie); 152 if (elems.hs20 && elems.hs20_len > 4) { 153 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4, 154 elems.hs20_len - 4); 155 } else 156 sta->hs20_ie = NULL; 157#endif /* CONFIG_HS20 */ 158 159#ifdef CONFIG_FST 160 wpabuf_free(sta->mb_ies); 161 if (hapd->iface->fst) 162 sta->mb_ies = mb_ies_by_info(&elems.mb_ies); 163 else 164 sta->mb_ies = NULL; 165#endif /* CONFIG_FST */ 166 167 if (hapd->conf->wpa) { 168 if (ie == NULL || ielen == 0) { 169#ifdef CONFIG_WPS 170 if (hapd->conf->wps_state) { 171 wpa_printf(MSG_DEBUG, 172 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use"); 173 sta->flags |= WLAN_STA_MAYBE_WPS; 174 goto skip_wpa_check; 175 } 176#endif /* CONFIG_WPS */ 177 178 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA"); 179 return -1; 180 } 181#ifdef CONFIG_WPS 182 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 && 183 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { 184 struct wpabuf *wps; 185 186 sta->flags |= WLAN_STA_WPS; 187 wps = ieee802_11_vendor_ie_concat(ie, ielen, 188 WPS_IE_VENDOR_TYPE); 189 if (wps) { 190 if (wps_is_20(wps)) { 191 wpa_printf(MSG_DEBUG, 192 "WPS: STA supports WPS 2.0"); 193 sta->flags |= WLAN_STA_WPS2; 194 } 195 wpabuf_free(wps); 196 } 197 goto skip_wpa_check; 198 } 199#endif /* CONFIG_WPS */ 200 201 if (sta->wpa_sm == NULL) 202 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 203 sta->addr, 204 p2p_dev_addr); 205 if (sta->wpa_sm == NULL) { 206 wpa_printf(MSG_ERROR, 207 "Failed to initialize WPA state machine"); 208 return -1; 209 } 210 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, 211 ie, ielen, 212 elems.mdie, elems.mdie_len); 213 if (res != WPA_IE_OK) { 214 wpa_printf(MSG_DEBUG, 215 "WPA/RSN information element rejected? (res %u)", 216 res); 217 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen); 218 if (res == WPA_INVALID_GROUP) { 219 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 220 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 221 } else if (res == WPA_INVALID_PAIRWISE) { 222 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID; 223 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; 224 } else if (res == WPA_INVALID_AKMP) { 225 reason = WLAN_REASON_AKMP_NOT_VALID; 226 status = WLAN_STATUS_AKMP_NOT_VALID; 227 } 228#ifdef CONFIG_IEEE80211W 229 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) { 230 reason = WLAN_REASON_INVALID_IE; 231 status = WLAN_STATUS_INVALID_IE; 232 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) { 233 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 234 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; 235 } 236#endif /* CONFIG_IEEE80211W */ 237 else { 238 reason = WLAN_REASON_INVALID_IE; 239 status = WLAN_STATUS_INVALID_IE; 240 } 241 goto fail; 242 } 243#ifdef CONFIG_IEEE80211W 244 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 245 sta->sa_query_count > 0) 246 ap_check_sa_query_timeout(hapd, sta); 247 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && 248 (sta->auth_alg != WLAN_AUTH_FT)) { 249 /* 250 * STA has already been associated with MFP and SA 251 * Query timeout has not been reached. Reject the 252 * association attempt temporarily and start SA Query, 253 * if one is not pending. 254 */ 255 256 if (sta->sa_query_count == 0) 257 ap_sta_start_sa_query(hapd, sta); 258 259 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; 260 261 p = hostapd_eid_assoc_comeback_time(hapd, sta, p); 262 263 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, 264 p - buf); 265 return 0; 266 } 267 268 if (wpa_auth_uses_mfp(sta->wpa_sm)) 269 sta->flags |= WLAN_STA_MFP; 270 else 271 sta->flags &= ~WLAN_STA_MFP; 272#endif /* CONFIG_IEEE80211W */ 273 274#ifdef CONFIG_IEEE80211R 275 if (sta->auth_alg == WLAN_AUTH_FT) { 276 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies, 277 req_ies_len); 278 if (status != WLAN_STATUS_SUCCESS) { 279 if (status == WLAN_STATUS_INVALID_PMKID) 280 reason = WLAN_REASON_INVALID_IE; 281 if (status == WLAN_STATUS_INVALID_MDIE) 282 reason = WLAN_REASON_INVALID_IE; 283 if (status == WLAN_STATUS_INVALID_FTIE) 284 reason = WLAN_REASON_INVALID_IE; 285 goto fail; 286 } 287 } 288#endif /* CONFIG_IEEE80211R */ 289 } else if (hapd->conf->wps_state) { 290#ifdef CONFIG_WPS 291 struct wpabuf *wps; 292 293 if (req_ies) 294 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, 295 WPS_IE_VENDOR_TYPE); 296 else 297 wps = NULL; 298#ifdef CONFIG_WPS_STRICT 299 if (wps && wps_validate_assoc_req(wps) < 0) { 300 reason = WLAN_REASON_INVALID_IE; 301 status = WLAN_STATUS_INVALID_IE; 302 wpabuf_free(wps); 303 goto fail; 304 } 305#endif /* CONFIG_WPS_STRICT */ 306 if (wps) { 307 sta->flags |= WLAN_STA_WPS; 308 if (wps_is_20(wps)) { 309 wpa_printf(MSG_DEBUG, 310 "WPS: STA supports WPS 2.0"); 311 sta->flags |= WLAN_STA_WPS2; 312 } 313 } else 314 sta->flags |= WLAN_STA_MAYBE_WPS; 315 wpabuf_free(wps); 316#endif /* CONFIG_WPS */ 317#ifdef CONFIG_HS20 318 } else if (hapd->conf->osen) { 319 if (elems.osen == NULL) { 320 hostapd_logger( 321 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 322 HOSTAPD_LEVEL_INFO, 323 "No HS 2.0 OSEN element in association request"); 324 return WLAN_STATUS_INVALID_IE; 325 } 326 327 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association"); 328 if (sta->wpa_sm == NULL) 329 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 330 sta->addr, NULL); 331 if (sta->wpa_sm == NULL) { 332 wpa_printf(MSG_WARNING, 333 "Failed to initialize WPA state machine"); 334 return WLAN_STATUS_UNSPECIFIED_FAILURE; 335 } 336 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm, 337 elems.osen - 2, elems.osen_len + 2) < 0) 338 return WLAN_STATUS_INVALID_IE; 339#endif /* CONFIG_HS20 */ 340 } 341#ifdef CONFIG_WPS 342skip_wpa_check: 343#endif /* CONFIG_WPS */ 344 345#ifdef CONFIG_IEEE80211R 346 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf), 347 sta->auth_alg, req_ies, req_ies_len); 348 349 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 350 351 if (sta->auth_alg == WLAN_AUTH_FT) 352 ap_sta_set_authorized(hapd, sta, 1); 353#else /* CONFIG_IEEE80211R */ 354 /* Keep compiler silent about unused variables */ 355 if (status) { 356 } 357#endif /* CONFIG_IEEE80211R */ 358 359 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0; 360 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; 361 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; 362 363 hostapd_set_sta_flags(hapd, sta); 364 365 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT)) 366 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); 367 else 368 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); 369 370 hostapd_new_assoc_sta(hapd, sta, !new_assoc); 371 372 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); 373 374#ifdef CONFIG_P2P 375 if (req_ies) { 376 p2p_group_notif_assoc(hapd->p2p_group, sta->addr, 377 req_ies, req_ies_len); 378 } 379#endif /* CONFIG_P2P */ 380 381 return 0; 382 383fail: 384#ifdef CONFIG_IEEE80211R 385 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); 386#endif /* CONFIG_IEEE80211R */ 387 hostapd_drv_sta_disassoc(hapd, sta->addr, reason); 388 ap_free_sta(hapd, sta); 389 return -1; 390} 391 392 393void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr) 394{ 395 struct sta_info *sta; 396 397 if (addr == NULL) { 398 /* 399 * This could potentially happen with unexpected event from the 400 * driver wrapper. This was seen at least in one case where the 401 * driver ended up reporting a station mode event while hostapd 402 * was running, so better make sure we stop processing such an 403 * event here. 404 */ 405 wpa_printf(MSG_DEBUG, 406 "hostapd_notif_disassoc: Skip event with no address"); 407 return; 408 } 409 410 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 411 HOSTAPD_LEVEL_INFO, "disassociated"); 412 413 sta = ap_get_sta(hapd, addr); 414 if (sta == NULL) { 415 wpa_printf(MSG_DEBUG, 416 "Disassociation notification for unknown STA " 417 MACSTR, MAC2STR(addr)); 418 return; 419 } 420 421 ap_sta_set_authorized(hapd, sta, 0); 422 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); 423 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); 424 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; 425 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); 426 ap_free_sta(hapd, sta); 427} 428 429 430void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr) 431{ 432 struct sta_info *sta = ap_get_sta(hapd, addr); 433 434 if (!sta || !hapd->conf->disassoc_low_ack) 435 return; 436 437 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 438 HOSTAPD_LEVEL_INFO, 439 "disconnected due to excessive missing ACKs"); 440 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK); 441 if (sta) 442 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); 443} 444 445 446void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 447 int offset, int width, int cf1, int cf2) 448{ 449#ifdef NEED_AP_MLME 450 int channel, chwidth, seg0_idx = 0, seg1_idx = 0, is_dfs; 451 452 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 453 HOSTAPD_LEVEL_INFO, 454 "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", 455 freq, ht, offset, width, channel_width_to_string(width), 456 cf1, cf2); 457 458 hapd->iface->freq = freq; 459 460 channel = hostapd_hw_get_channel(hapd, freq); 461 if (!channel) { 462 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 463 HOSTAPD_LEVEL_WARNING, 464 "driver switched to bad channel!"); 465 return; 466 } 467 468 switch (width) { 469 case CHAN_WIDTH_80: 470 chwidth = VHT_CHANWIDTH_80MHZ; 471 break; 472 case CHAN_WIDTH_80P80: 473 chwidth = VHT_CHANWIDTH_80P80MHZ; 474 break; 475 case CHAN_WIDTH_160: 476 chwidth = VHT_CHANWIDTH_160MHZ; 477 break; 478 case CHAN_WIDTH_20_NOHT: 479 case CHAN_WIDTH_20: 480 case CHAN_WIDTH_40: 481 default: 482 chwidth = VHT_CHANWIDTH_USE_HT; 483 break; 484 } 485 486 switch (hapd->iface->current_mode->mode) { 487 case HOSTAPD_MODE_IEEE80211A: 488 if (cf1 > 5000) 489 seg0_idx = (cf1 - 5000) / 5; 490 if (cf2 > 5000) 491 seg1_idx = (cf2 - 5000) / 5; 492 break; 493 default: 494 seg0_idx = hostapd_hw_get_channel(hapd, cf1); 495 seg1_idx = hostapd_hw_get_channel(hapd, cf2); 496 break; 497 } 498 499 hapd->iconf->channel = channel; 500 hapd->iconf->ieee80211n = ht; 501 if (!ht) 502 hapd->iconf->ieee80211ac = 0; 503 hapd->iconf->secondary_channel = offset; 504 hapd->iconf->vht_oper_chwidth = chwidth; 505 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; 506 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; 507 508 is_dfs = ieee80211_is_dfs(freq); 509 510 if (hapd->csa_in_progress && 511 freq == hapd->cs_freq_params.freq) { 512 hostapd_cleanup_cs_params(hapd); 513 ieee802_11_set_beacon(hapd); 514 515 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 516 "freq=%d dfs=%d", freq, is_dfs); 517 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { 518 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED 519 "freq=%d dfs=%d", freq, is_dfs); 520 } 521#endif /* NEED_AP_MLME */ 522} 523 524 525void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 526 const u8 *addr, int reason_code) 527{ 528 switch (reason_code) { 529 case MAX_CLIENT_REACHED: 530 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, 531 MAC2STR(addr)); 532 break; 533 case BLOCKED_CLIENT: 534 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, 535 MAC2STR(addr)); 536 break; 537 } 538} 539 540 541#ifdef CONFIG_ACS 542static void hostapd_acs_channel_selected(struct hostapd_data *hapd, 543 struct acs_selected_channels *acs_res) 544{ 545 int ret, i; 546 547 if (hapd->iconf->channel) { 548 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", 549 hapd->iconf->channel); 550 return; 551 } 552 553 if (!hapd->iface->current_mode) { 554 for (i = 0; i < hapd->iface->num_hw_features; i++) { 555 struct hostapd_hw_modes *mode = 556 &hapd->iface->hw_features[i]; 557 558 if (mode->mode == acs_res->hw_mode) { 559 hapd->iface->current_mode = mode; 560 break; 561 } 562 } 563 if (!hapd->iface->current_mode) { 564 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 565 HOSTAPD_LEVEL_WARNING, 566 "driver selected to bad hw_mode"); 567 return; 568 } 569 } 570 571 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); 572 573 if (!acs_res->pri_channel) { 574 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 575 HOSTAPD_LEVEL_WARNING, 576 "driver switched to bad channel"); 577 return; 578 } 579 580 hapd->iconf->channel = acs_res->pri_channel; 581 hapd->iconf->acs = 1; 582 583 if (acs_res->sec_channel == 0) 584 hapd->iconf->secondary_channel = 0; 585 else if (acs_res->sec_channel < acs_res->pri_channel) 586 hapd->iconf->secondary_channel = -1; 587 else if (acs_res->sec_channel > acs_res->pri_channel) 588 hapd->iconf->secondary_channel = 1; 589 else { 590 wpa_printf(MSG_ERROR, "Invalid secondary channel!"); 591 return; 592 } 593 594 if (hapd->iface->conf->ieee80211ac) { 595 /* set defaults for backwards compatibility */ 596 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; 597 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; 598 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; 599 if (acs_res->ch_width == 80) { 600 hapd->iconf->vht_oper_centr_freq_seg0_idx = 601 acs_res->vht_seg0_center_ch; 602 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; 603 } else if (acs_res->ch_width == 160) { 604 if (acs_res->vht_seg1_center_ch == 0) { 605 hapd->iconf->vht_oper_centr_freq_seg0_idx = 606 acs_res->vht_seg0_center_ch; 607 hapd->iconf->vht_oper_chwidth = 608 VHT_CHANWIDTH_160MHZ; 609 } else { 610 hapd->iconf->vht_oper_centr_freq_seg0_idx = 611 acs_res->vht_seg0_center_ch; 612 hapd->iconf->vht_oper_centr_freq_seg1_idx = 613 acs_res->vht_seg1_center_ch; 614 hapd->iconf->vht_oper_chwidth = 615 VHT_CHANWIDTH_80P80MHZ; 616 } 617 } 618 } 619 620 ret = hostapd_acs_completed(hapd->iface, 0); 621 if (ret) { 622 wpa_printf(MSG_ERROR, 623 "ACS: Possibly channel configuration is invalid"); 624 } 625} 626#endif /* CONFIG_ACS */ 627 628 629int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 630 const u8 *bssid, const u8 *ie, size_t ie_len, 631 int ssi_signal) 632{ 633 size_t i; 634 int ret = 0; 635 636 if (sa == NULL || ie == NULL) 637 return -1; 638 639 random_add_randomness(sa, ETH_ALEN); 640 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { 641 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 642 sa, da, bssid, ie, ie_len, 643 ssi_signal) > 0) { 644 ret = 1; 645 break; 646 } 647 } 648 return ret; 649} 650 651 652#ifdef HOSTAPD 653 654#ifdef CONFIG_IEEE80211R 655static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, 656 const u8 *bssid, 657 u16 auth_transaction, u16 status, 658 const u8 *ies, size_t ies_len) 659{ 660 struct hostapd_data *hapd = ctx; 661 struct sta_info *sta; 662 663 sta = ap_get_sta(hapd, dst); 664 if (sta == NULL) 665 return; 666 667 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, 668 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); 669 sta->flags |= WLAN_STA_AUTH; 670 671 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); 672} 673#endif /* CONFIG_IEEE80211R */ 674 675 676static void hostapd_notif_auth(struct hostapd_data *hapd, 677 struct auth_info *rx_auth) 678{ 679 struct sta_info *sta; 680 u16 status = WLAN_STATUS_SUCCESS; 681 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; 682 size_t resp_ies_len = 0; 683 684 sta = ap_get_sta(hapd, rx_auth->peer); 685 if (!sta) { 686 sta = ap_sta_add(hapd, rx_auth->peer); 687 if (sta == NULL) { 688 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; 689 goto fail; 690 } 691 } 692 sta->flags &= ~WLAN_STA_PREAUTH; 693 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); 694#ifdef CONFIG_IEEE80211R 695 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { 696 sta->auth_alg = WLAN_AUTH_FT; 697 if (sta->wpa_sm == NULL) 698 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 699 sta->addr, NULL); 700 if (sta->wpa_sm == NULL) { 701 wpa_printf(MSG_DEBUG, 702 "FT: Failed to initialize WPA state machine"); 703 status = WLAN_STATUS_UNSPECIFIED_FAILURE; 704 goto fail; 705 } 706 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, 707 rx_auth->auth_transaction, rx_auth->ies, 708 rx_auth->ies_len, 709 hostapd_notify_auth_ft_finish, hapd); 710 return; 711 } 712#endif /* CONFIG_IEEE80211R */ 713fail: 714 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, 715 status, resp_ies, resp_ies_len); 716} 717 718 719static void hostapd_action_rx(struct hostapd_data *hapd, 720 struct rx_mgmt *drv_mgmt) 721{ 722 struct ieee80211_mgmt *mgmt; 723 struct sta_info *sta; 724 size_t plen __maybe_unused; 725 u16 fc; 726 727 if (drv_mgmt->frame_len < 24 + 1) 728 return; 729 730 plen = drv_mgmt->frame_len - 24 - 1; 731 732 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; 733 fc = le_to_host16(mgmt->frame_control); 734 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) 735 return; /* handled by the driver */ 736 737 wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d", 738 mgmt->u.action.category, (int) plen); 739 740 sta = ap_get_sta(hapd, mgmt->sa); 741 if (sta == NULL) { 742 wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 743 return; 744 } 745#ifdef CONFIG_IEEE80211R 746 if (mgmt->u.action.category == WLAN_ACTION_FT) { 747 const u8 *payload = drv_mgmt->frame + 24 + 1; 748 749 wpa_ft_action_rx(sta->wpa_sm, payload, plen); 750 } 751#endif /* CONFIG_IEEE80211R */ 752#ifdef CONFIG_IEEE80211W 753 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) { 754 ieee802_11_sa_query_action( 755 hapd, mgmt->sa, 756 mgmt->u.action.u.sa_query_resp.action, 757 mgmt->u.action.u.sa_query_resp.trans_id); 758 } 759#endif /* CONFIG_IEEE80211W */ 760#ifdef CONFIG_WNM 761 if (mgmt->u.action.category == WLAN_ACTION_WNM) { 762 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); 763 } 764#endif /* CONFIG_WNM */ 765#ifdef CONFIG_FST 766 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { 767 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); 768 return; 769 } 770#endif /* CONFIG_FST */ 771 772} 773 774 775#ifdef NEED_AP_MLME 776 777#define HAPD_BROADCAST ((struct hostapd_data *) -1) 778 779static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, 780 const u8 *bssid) 781{ 782 size_t i; 783 784 if (bssid == NULL) 785 return NULL; 786 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && 787 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) 788 return HAPD_BROADCAST; 789 790 for (i = 0; i < iface->num_bss; i++) { 791 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) 792 return iface->bss[i]; 793 } 794 795 return NULL; 796} 797 798 799static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, 800 const u8 *bssid, const u8 *addr, 801 int wds) 802{ 803 hapd = get_hapd_bssid(hapd->iface, bssid); 804 if (hapd == NULL || hapd == HAPD_BROADCAST) 805 return; 806 807 ieee802_11_rx_from_unknown(hapd, addr, wds); 808} 809 810 811static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) 812{ 813 struct hostapd_iface *iface = hapd->iface; 814 const struct ieee80211_hdr *hdr; 815 const u8 *bssid; 816 struct hostapd_frame_info fi; 817 int ret; 818 819#ifdef CONFIG_TESTING_OPTIONS 820 if (hapd->ext_mgmt_frame_handling) { 821 size_t hex_len = 2 * rx_mgmt->frame_len + 1; 822 char *hex = os_malloc(hex_len); 823 824 if (hex) { 825 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, 826 rx_mgmt->frame_len); 827 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); 828 os_free(hex); 829 } 830 return 1; 831 } 832#endif /* CONFIG_TESTING_OPTIONS */ 833 834 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; 835 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); 836 if (bssid == NULL) 837 return 0; 838 839 hapd = get_hapd_bssid(iface, bssid); 840 if (hapd == NULL) { 841 u16 fc = le_to_host16(hdr->frame_control); 842 843 /* 844 * Drop frames to unknown BSSIDs except for Beacon frames which 845 * could be used to update neighbor information. 846 */ 847 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 848 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 849 hapd = iface->bss[0]; 850 else 851 return 0; 852 } 853 854 os_memset(&fi, 0, sizeof(fi)); 855 fi.datarate = rx_mgmt->datarate; 856 fi.ssi_signal = rx_mgmt->ssi_signal; 857 858 if (hapd == HAPD_BROADCAST) { 859 size_t i; 860 861 ret = 0; 862 for (i = 0; i < iface->num_bss; i++) { 863 /* if bss is set, driver will call this function for 864 * each bss individually. */ 865 if (rx_mgmt->drv_priv && 866 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) 867 continue; 868 869 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, 870 rx_mgmt->frame_len, &fi) > 0) 871 ret = 1; 872 } 873 } else 874 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, 875 &fi); 876 877 random_add_randomness(&fi, sizeof(fi)); 878 879 return ret; 880} 881 882 883static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, 884 size_t len, u16 stype, int ok) 885{ 886 struct ieee80211_hdr *hdr; 887 888 hdr = (struct ieee80211_hdr *) buf; 889 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 890 if (hapd == NULL || hapd == HAPD_BROADCAST) 891 return; 892 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); 893} 894 895#endif /* NEED_AP_MLME */ 896 897 898static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) 899{ 900 struct sta_info *sta = ap_get_sta(hapd, addr); 901 902 if (sta) 903 return 0; 904 905 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR 906 " - adding a new STA", MAC2STR(addr)); 907 sta = ap_sta_add(hapd, addr); 908 if (sta) { 909 hostapd_new_assoc_sta(hapd, sta, 0); 910 } else { 911 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, 912 MAC2STR(addr)); 913 return -1; 914 } 915 916 return 0; 917} 918 919 920static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, 921 const u8 *data, size_t data_len) 922{ 923 struct hostapd_iface *iface = hapd->iface; 924 struct sta_info *sta; 925 size_t j; 926 927 for (j = 0; j < iface->num_bss; j++) { 928 sta = ap_get_sta(iface->bss[j], src); 929 if (sta && sta->flags & WLAN_STA_ASSOC) { 930 hapd = iface->bss[j]; 931 break; 932 } 933 } 934 935 ieee802_1x_receive(hapd, src, data, data_len); 936} 937 938 939static struct hostapd_channel_data * hostapd_get_mode_channel( 940 struct hostapd_iface *iface, unsigned int freq) 941{ 942 int i; 943 struct hostapd_channel_data *chan; 944 945 for (i = 0; i < iface->current_mode->num_channels; i++) { 946 chan = &iface->current_mode->channels[i]; 947 if (!chan) 948 return NULL; 949 if ((unsigned int) chan->freq == freq) 950 return chan; 951 } 952 953 return NULL; 954} 955 956 957static void hostapd_update_nf(struct hostapd_iface *iface, 958 struct hostapd_channel_data *chan, 959 struct freq_survey *survey) 960{ 961 if (!iface->chans_surveyed) { 962 chan->min_nf = survey->nf; 963 iface->lowest_nf = survey->nf; 964 } else { 965 if (dl_list_empty(&chan->survey_list)) 966 chan->min_nf = survey->nf; 967 else if (survey->nf < chan->min_nf) 968 chan->min_nf = survey->nf; 969 if (survey->nf < iface->lowest_nf) 970 iface->lowest_nf = survey->nf; 971 } 972} 973 974 975static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, 976 struct survey_results *survey_res) 977{ 978 struct hostapd_channel_data *chan; 979 struct freq_survey *survey; 980 u64 divisor, dividend; 981 982 survey = dl_list_first(&survey_res->survey_list, struct freq_survey, 983 list); 984 if (!survey || !survey->freq) 985 return; 986 987 chan = hostapd_get_mode_channel(iface, survey->freq); 988 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) 989 return; 990 991 wpa_printf(MSG_DEBUG, 992 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", 993 survey->freq, 994 (unsigned long int) survey->channel_time, 995 (unsigned long int) survey->channel_time_busy); 996 997 if (survey->channel_time > iface->last_channel_time && 998 survey->channel_time > survey->channel_time_busy) { 999 dividend = survey->channel_time_busy - 1000 iface->last_channel_time_busy; 1001 divisor = survey->channel_time - iface->last_channel_time; 1002 1003 iface->channel_utilization = dividend * 255 / divisor; 1004 wpa_printf(MSG_DEBUG, "Channel Utilization: %d", 1005 iface->channel_utilization); 1006 } 1007 iface->last_channel_time = survey->channel_time; 1008 iface->last_channel_time_busy = survey->channel_time_busy; 1009} 1010 1011 1012static void hostapd_event_get_survey(struct hostapd_data *hapd, 1013 struct survey_results *survey_results) 1014{ 1015 struct hostapd_iface *iface = hapd->iface; 1016 struct freq_survey *survey, *tmp; 1017 struct hostapd_channel_data *chan; 1018 1019 if (dl_list_empty(&survey_results->survey_list)) { 1020 wpa_printf(MSG_DEBUG, "No survey data received"); 1021 return; 1022 } 1023 1024 if (survey_results->freq_filter) { 1025 hostapd_single_channel_get_survey(iface, survey_results); 1026 return; 1027 } 1028 1029 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, 1030 struct freq_survey, list) { 1031 chan = hostapd_get_mode_channel(iface, survey->freq); 1032 if (!chan) 1033 continue; 1034 if (chan->flag & HOSTAPD_CHAN_DISABLED) 1035 continue; 1036 1037 dl_list_del(&survey->list); 1038 dl_list_add_tail(&chan->survey_list, &survey->list); 1039 1040 hostapd_update_nf(iface, chan, survey); 1041 1042 iface->chans_surveyed++; 1043 } 1044} 1045 1046 1047#ifdef NEED_AP_MLME 1048 1049static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) 1050{ 1051 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", 1052 hapd->conf->iface); 1053 1054 if (hapd->csa_in_progress) { 1055 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", 1056 hapd->conf->iface); 1057 hostapd_switch_channel_fallback(hapd->iface, 1058 &hapd->cs_freq_params); 1059 } 1060} 1061 1062 1063static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, 1064 struct dfs_event *radar) 1065{ 1066 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); 1067 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled, 1068 radar->chan_offset, radar->chan_width, 1069 radar->cf1, radar->cf2); 1070} 1071 1072 1073static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, 1074 struct dfs_event *radar) 1075{ 1076 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); 1077 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled, 1078 radar->chan_offset, radar->chan_width, 1079 radar->cf1, radar->cf2); 1080} 1081 1082 1083static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, 1084 struct dfs_event *radar) 1085{ 1086 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); 1087 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, 1088 radar->chan_offset, radar->chan_width, 1089 radar->cf1, radar->cf2); 1090} 1091 1092 1093static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, 1094 struct dfs_event *radar) 1095{ 1096 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); 1097 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, 1098 radar->chan_offset, radar->chan_width, 1099 radar->cf1, radar->cf2); 1100} 1101 1102 1103static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, 1104 struct dfs_event *radar) 1105{ 1106 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); 1107 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, 1108 radar->chan_offset, radar->chan_width, 1109 radar->cf1, radar->cf2); 1110} 1111 1112#endif /* NEED_AP_MLME */ 1113 1114 1115void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 1116 union wpa_event_data *data) 1117{ 1118 struct hostapd_data *hapd = ctx; 1119#ifndef CONFIG_NO_STDOUT_DEBUG 1120 int level = MSG_DEBUG; 1121 1122 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && 1123 data->rx_mgmt.frame_len >= 24) { 1124 const struct ieee80211_hdr *hdr; 1125 u16 fc; 1126 1127 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 1128 fc = le_to_host16(hdr->frame_control); 1129 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1130 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 1131 level = MSG_EXCESSIVE; 1132 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 1133 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) 1134 level = MSG_EXCESSIVE; 1135 } 1136 1137 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", 1138 event_to_string(event), event); 1139#endif /* CONFIG_NO_STDOUT_DEBUG */ 1140 1141 switch (event) { 1142 case EVENT_MICHAEL_MIC_FAILURE: 1143 michael_mic_failure(hapd, data->michael_mic_failure.src, 1); 1144 break; 1145 case EVENT_SCAN_RESULTS: 1146 if (hapd->iface->scan_cb) 1147 hapd->iface->scan_cb(hapd->iface); 1148 break; 1149 case EVENT_WPS_BUTTON_PUSHED: 1150 hostapd_wps_button_pushed(hapd, NULL); 1151 break; 1152#ifdef NEED_AP_MLME 1153 case EVENT_TX_STATUS: 1154 switch (data->tx_status.type) { 1155 case WLAN_FC_TYPE_MGMT: 1156 hostapd_mgmt_tx_cb(hapd, data->tx_status.data, 1157 data->tx_status.data_len, 1158 data->tx_status.stype, 1159 data->tx_status.ack); 1160 break; 1161 case WLAN_FC_TYPE_DATA: 1162 hostapd_tx_status(hapd, data->tx_status.dst, 1163 data->tx_status.data, 1164 data->tx_status.data_len, 1165 data->tx_status.ack); 1166 break; 1167 } 1168 break; 1169 case EVENT_EAPOL_TX_STATUS: 1170 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, 1171 data->eapol_tx_status.data, 1172 data->eapol_tx_status.data_len, 1173 data->eapol_tx_status.ack); 1174 break; 1175 case EVENT_DRIVER_CLIENT_POLL_OK: 1176 hostapd_client_poll_ok(hapd, data->client_poll.addr); 1177 break; 1178 case EVENT_RX_FROM_UNKNOWN: 1179 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, 1180 data->rx_from_unknown.addr, 1181 data->rx_from_unknown.wds); 1182 break; 1183#endif /* NEED_AP_MLME */ 1184 case EVENT_RX_MGMT: 1185 if (!data->rx_mgmt.frame) 1186 break; 1187#ifdef NEED_AP_MLME 1188 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0) 1189 break; 1190#endif /* NEED_AP_MLME */ 1191 hostapd_action_rx(hapd, &data->rx_mgmt); 1192 break; 1193 case EVENT_RX_PROBE_REQ: 1194 if (data->rx_probe_req.sa == NULL || 1195 data->rx_probe_req.ie == NULL) 1196 break; 1197 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, 1198 data->rx_probe_req.da, 1199 data->rx_probe_req.bssid, 1200 data->rx_probe_req.ie, 1201 data->rx_probe_req.ie_len, 1202 data->rx_probe_req.ssi_signal); 1203 break; 1204 case EVENT_NEW_STA: 1205 hostapd_event_new_sta(hapd, data->new_sta.addr); 1206 break; 1207 case EVENT_EAPOL_RX: 1208 hostapd_event_eapol_rx(hapd, data->eapol_rx.src, 1209 data->eapol_rx.data, 1210 data->eapol_rx.data_len); 1211 break; 1212 case EVENT_ASSOC: 1213 if (!data) 1214 return; 1215 hostapd_notif_assoc(hapd, data->assoc_info.addr, 1216 data->assoc_info.req_ies, 1217 data->assoc_info.req_ies_len, 1218 data->assoc_info.reassoc); 1219 break; 1220 case EVENT_DISASSOC: 1221 if (data) 1222 hostapd_notif_disassoc(hapd, data->disassoc_info.addr); 1223 break; 1224 case EVENT_DEAUTH: 1225 if (data) 1226 hostapd_notif_disassoc(hapd, data->deauth_info.addr); 1227 break; 1228 case EVENT_STATION_LOW_ACK: 1229 if (!data) 1230 break; 1231 hostapd_event_sta_low_ack(hapd, data->low_ack.addr); 1232 break; 1233 case EVENT_AUTH: 1234 hostapd_notif_auth(hapd, &data->auth); 1235 break; 1236 case EVENT_CH_SWITCH: 1237 if (!data) 1238 break; 1239 hostapd_event_ch_switch(hapd, data->ch_switch.freq, 1240 data->ch_switch.ht_enabled, 1241 data->ch_switch.ch_offset, 1242 data->ch_switch.ch_width, 1243 data->ch_switch.cf1, 1244 data->ch_switch.cf2); 1245 break; 1246 case EVENT_CONNECT_FAILED_REASON: 1247 if (!data) 1248 break; 1249 hostapd_event_connect_failed_reason( 1250 hapd, data->connect_failed_reason.addr, 1251 data->connect_failed_reason.code); 1252 break; 1253 case EVENT_SURVEY: 1254 hostapd_event_get_survey(hapd, &data->survey_results); 1255 break; 1256#ifdef NEED_AP_MLME 1257 case EVENT_INTERFACE_UNAVAILABLE: 1258 hostapd_event_iface_unavailable(hapd); 1259 break; 1260 case EVENT_DFS_RADAR_DETECTED: 1261 if (!data) 1262 break; 1263 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); 1264 break; 1265 case EVENT_DFS_CAC_FINISHED: 1266 if (!data) 1267 break; 1268 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); 1269 break; 1270 case EVENT_DFS_CAC_ABORTED: 1271 if (!data) 1272 break; 1273 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); 1274 break; 1275 case EVENT_DFS_NOP_FINISHED: 1276 if (!data) 1277 break; 1278 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); 1279 break; 1280 case EVENT_CHANNEL_LIST_CHANGED: 1281 /* channel list changed (regulatory?), update channel list */ 1282 /* TODO: check this. hostapd_get_hw_features() initializes 1283 * too much stuff. */ 1284 /* hostapd_get_hw_features(hapd->iface); */ 1285 hostapd_channel_list_updated( 1286 hapd->iface, data->channel_list_changed.initiator); 1287 break; 1288 case EVENT_DFS_CAC_STARTED: 1289 if (!data) 1290 break; 1291 hostapd_event_dfs_cac_started(hapd, &data->dfs_event); 1292 break; 1293#endif /* NEED_AP_MLME */ 1294 case EVENT_INTERFACE_ENABLED: 1295 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); 1296 if (hapd->disabled && hapd->started) { 1297 hapd->disabled = 0; 1298 /* 1299 * Try to re-enable interface if the driver stopped it 1300 * when the interface got disabled. 1301 */ 1302 wpa_auth_reconfig_group_keys(hapd->wpa_auth); 1303 hapd->reenable_beacon = 1; 1304 ieee802_11_set_beacon(hapd); 1305 } 1306 break; 1307 case EVENT_INTERFACE_DISABLED: 1308 hostapd_free_stas(hapd); 1309 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); 1310 hapd->disabled = 1; 1311 break; 1312#ifdef CONFIG_ACS 1313 case EVENT_ACS_CHANNEL_SELECTED: 1314 hostapd_acs_channel_selected(hapd, 1315 &data->acs_selected_channels); 1316 break; 1317#endif /* CONFIG_ACS */ 1318 default: 1319 wpa_printf(MSG_DEBUG, "Unknown event %d", event); 1320 break; 1321 } 1322} 1323 1324#endif /* HOSTAPD */ 1325