src/ap/drv_callbacks.c

   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
  38 int 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 #ifdef CONFIG_IEEE80211R
  47         u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
  48         u8 *p = buf;
  49 #endif /* CONFIG_IEEE80211R */
  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, "hostapd_notif_assoc: Skip event with "
  63                            "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, "STA did not include WPS/RSN/WPA IE in "
  94                            "(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, "STA did not include "
 172                                            "WPA/RSN IE in (Re)Association "
 173                                            "Request - possible WPS use");
 174                                 sta->flags |= WLAN_STA_MAYBE_WPS;
 175                                 goto skip_wpa_check;
 176                         }
 177 #endif /* CONFIG_WPS */
 178
 179                         wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
 180                         return -1;
 181                 }
 182 #ifdef CONFIG_WPS
 183                 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
 184                     os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
 185                         struct wpabuf *wps;
 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, "WPS: STA "
 192                                                    "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, "Failed to initialize WPA state "
 207                                    "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, "WPA/RSN information element "
 215                                    "rejected? (res %u)", res);
 216                         wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 217                         if (res == WPA_INVALID_GROUP) {
 218                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 219                                 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
 220                         } else if (res == WPA_INVALID_PAIRWISE) {
 221                                 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
 222                                 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
 223                         } else if (res == WPA_INVALID_AKMP) {
 224                                 reason = WLAN_REASON_AKMP_NOT_VALID;
 225                                 status = WLAN_STATUS_AKMP_NOT_VALID;
 226                         }
 227 #ifdef CONFIG_IEEE80211W
 228                         else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
 229                                 reason = WLAN_REASON_INVALID_IE;
 230                                 status = WLAN_STATUS_INVALID_IE;
 231                         } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
 232                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 233                                 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
 234                         }
 235 #endif /* CONFIG_IEEE80211W */
 236                         else {
 237                                 reason = WLAN_REASON_INVALID_IE;
 238                                 status = WLAN_STATUS_INVALID_IE;
 239                         }
 240                         goto fail;
 241                 }
 242 #ifdef CONFIG_IEEE80211W
 243                 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
 244                     sta->sa_query_count > 0)
 245                         ap_check_sa_query_timeout(hapd, sta);
 246                 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
 247                     (sta->auth_alg != WLAN_AUTH_FT)) {
 248                         /*
 249                          * STA has already been associated with MFP and SA
 250                          * Query timeout has not been reached. Reject the
 251                          * association attempt temporarily and start SA Query,
 252                          * if one is not pending.
 253                          */
 254
 255                         if (sta->sa_query_count == 0)
 256                                 ap_sta_start_sa_query(hapd, sta);
 257
 258 #ifdef CONFIG_IEEE80211R
 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 #endif /* CONFIG_IEEE80211R */
 266                         return 0;
 267                 }
 268
 269                 if (wpa_auth_uses_mfp(sta->wpa_sm))
 270                         sta->flags |= WLAN_STA_MFP;
 271                 else
 272                         sta->flags &= ~WLAN_STA_MFP;
 273 #endif /* CONFIG_IEEE80211W */
 274
 275 #ifdef CONFIG_IEEE80211R
 276                 if (sta->auth_alg == WLAN_AUTH_FT) {
 277                         status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
 278                                                          req_ies_len);
 279                         if (status != WLAN_STATUS_SUCCESS) {
 280                                 if (status == WLAN_STATUS_INVALID_PMKID)
 281                                         reason = WLAN_REASON_INVALID_IE;
 282                                 if (status == WLAN_STATUS_INVALID_MDIE)
 283                                         reason = WLAN_REASON_INVALID_IE;
 284                                 if (status == WLAN_STATUS_INVALID_FTIE)
 285                                         reason = WLAN_REASON_INVALID_IE;
 286                                 goto fail;
 287                         }
 288                 }
 289 #endif /* CONFIG_IEEE80211R */
 290         } else if (hapd->conf->wps_state) {
 291 #ifdef CONFIG_WPS
 292                 struct wpabuf *wps;
 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, "WPS: STA supports "
 310                                            "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, "Failed to initialize WPA "
 333                                    "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
 342 skip_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
 383 fail:
 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
 393 void 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, "hostapd_notif_disassoc: Skip event "
 406                            "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, "Disassociation notification for "
 416                            "unknown STA " MACSTR, MAC2STR(addr));
 417                 return;
 418         }
 419
 420         ap_sta_set_authorized(hapd, sta, 0);
 421         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 422         wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
 423         sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
 424         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 425         ap_free_sta(hapd, sta);
 426 }
 427
 428
 429 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 430 {
 431         struct sta_info *sta = ap_get_sta(hapd, addr);
 432
 433         if (!sta || !hapd->conf->disassoc_low_ack)
 434                 return;
 435
 436         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 437                        HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
 438                        "missing ACKs");
 439         hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 440         if (sta)
 441                 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
 442 }
 443
 444
 445 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 446                              int offset, int width, int cf1, int cf2)
 447 {
 448 #ifdef NEED_AP_MLME
 449         int channel, chwidth, seg0_idx = 0, seg1_idx = 0, is_dfs;
 450
 451         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 452                        HOSTAPD_LEVEL_INFO,
 453                        "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
 454                        freq, ht, offset, width, channel_width_to_string(width),
 455                        cf1, cf2);
 456
 457         hapd->iface->freq = freq;
 458
 459         channel = hostapd_hw_get_channel(hapd, freq);
 460         if (!channel) {
 461                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 462                                HOSTAPD_LEVEL_WARNING, "driver switched to "
 463                                "bad channel!");
 464                 return;
 465         }
 466
 467         switch (width) {
 468         case CHAN_WIDTH_80:
 469                 chwidth = VHT_CHANWIDTH_80MHZ;
 470                 break;
 471         case CHAN_WIDTH_80P80:
 472                 chwidth = VHT_CHANWIDTH_80P80MHZ;
 473                 break;
 474         case CHAN_WIDTH_160:
 475                 chwidth = VHT_CHANWIDTH_160MHZ;
 476                 break;
 477         case CHAN_WIDTH_20_NOHT:
 478         case CHAN_WIDTH_20:
 479         case CHAN_WIDTH_40:
 480         default:
 481                 chwidth = VHT_CHANWIDTH_USE_HT;
 482                 break;
 483         }
 484
 485         switch (hapd->iface->current_mode->mode) {
 486         case HOSTAPD_MODE_IEEE80211A:
 487                 if (cf1 > 5000)
 488                         seg0_idx = (cf1 - 5000) / 5;
 489                 if (cf2 > 5000)
 490                         seg1_idx = (cf2 - 5000) / 5;
 491                 break;
 492         default:
 493                 seg0_idx = hostapd_hw_get_channel(hapd, cf1);
 494                 seg1_idx = hostapd_hw_get_channel(hapd, cf2);
 495                 break;
 496         }
 497
 498         hapd->iconf->channel = channel;
 499         hapd->iconf->ieee80211n = ht;
 500         if (!ht)
 501                 hapd->iconf->ieee80211ac = 0;
 502         hapd->iconf->secondary_channel = offset;
 503         hapd->iconf->vht_oper_chwidth = chwidth;
 504         hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
 505         hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
 506
 507         is_dfs = ieee80211_is_dfs(freq);
 508
 509         if (hapd->csa_in_progress &&
 510             freq == hapd->cs_freq_params.freq) {
 511                 hostapd_cleanup_cs_params(hapd);
 512                 ieee802_11_set_beacon(hapd);
 513
 514                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 515                         "freq=%d dfs=%d", freq, is_dfs);
 516         } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
 517                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 518                         "freq=%d dfs=%d", freq, is_dfs);
 519         }
 520 #endif /* NEED_AP_MLME */
 521 }
 522
 523
 524 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
 525                                          const u8 *addr, int reason_code)
 526 {
 527         switch (reason_code) {
 528         case MAX_CLIENT_REACHED:
 529                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
 530                         MAC2STR(addr));
 531                 break;
 532         case BLOCKED_CLIENT:
 533                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
 534                         MAC2STR(addr));
 535                 break;
 536         }
 537 }
 538
 539
 540 #ifdef CONFIG_ACS
 541 static void hostapd_acs_channel_selected(struct hostapd_data *hapd,
 542                                          struct acs_selected_channels *acs_res)
 543 {
 544         int ret, i;
 545
 546         if (hapd->iconf->channel) {
 547                 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
 548                            hapd->iconf->channel);
 549                 return;
 550         }
 551
 552         if (!hapd->iface->current_mode) {
 553                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 554                         struct hostapd_hw_modes *mode =
 555                                 &hapd->iface->hw_features[i];
 556
 557                         if (mode->mode == acs_res->hw_mode) {
 558                                 hapd->iface->current_mode = mode;
 559                                 break;
 560                         }
 561                 }
 562                 if (!hapd->iface->current_mode) {
 563                         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 564                                        HOSTAPD_LEVEL_WARNING,
 565                                        "driver selected to bad hw_mode");
 566                         return;
 567                 }
 568         }
 569
 570         hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
 571
 572         if (!acs_res->pri_channel) {
 573                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 574                                HOSTAPD_LEVEL_WARNING,
 575                                "driver switched to bad channel");
 576                 return;
 577         }
 578
 579         hapd->iconf->channel = acs_res->pri_channel;
 580         hapd->iconf->acs = 1;
 581
 582         if (acs_res->sec_channel == 0)
 583                 hapd->iconf->secondary_channel = 0;
 584         else if (acs_res->sec_channel < acs_res->pri_channel)
 585                 hapd->iconf->secondary_channel = -1;
 586         else if (acs_res->sec_channel > acs_res->pri_channel)
 587                 hapd->iconf->secondary_channel = 1;
 588         else {
 589                 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
 590                 return;
 591         }
 592
 593         if (hapd->iface->conf->ieee80211ac) {
 594                 /* set defaults for backwards compatibility */
 595                 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
 596                 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
 597                 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
 598                 if (acs_res->ch_width == 80) {
 599                         hapd->iconf->vht_oper_centr_freq_seg0_idx =
 600                                 acs_res->vht_seg0_center_ch;
 601                         hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
 602                 } else if (acs_res->ch_width == 160) {
 603                         if (acs_res->vht_seg1_center_ch == 0) {
 604                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 605                                         acs_res->vht_seg0_center_ch;
 606                                 hapd->iconf->vht_oper_chwidth =
 607                                         VHT_CHANWIDTH_160MHZ;
 608                         } else {
 609                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 610                                         acs_res->vht_seg0_center_ch;
 611                                 hapd->iconf->vht_oper_centr_freq_seg1_idx =
 612                                         acs_res->vht_seg1_center_ch;
 613                                 hapd->iconf->vht_oper_chwidth =
 614                                         VHT_CHANWIDTH_80P80MHZ;
 615                         }
 616                 }
 617         }
 618
 619         ret = hostapd_acs_completed(hapd->iface, 0);
 620         if (ret) {
 621                 wpa_printf(MSG_ERROR,
 622                            "ACS: Possibly channel configuration is invalid");
 623         }
 624 }
 625 #endif /* CONFIG_ACS */
 626
 627
 628 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 629                          const u8 *bssid, const u8 *ie, size_t ie_len,
 630                          int ssi_signal)
 631 {
 632         size_t i;
 633         int ret = 0;
 634
 635         if (sa == NULL || ie == NULL)
 636                 return -1;
 637
 638         random_add_randomness(sa, ETH_ALEN);
 639         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 640                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 641                                             sa, da, bssid, ie, ie_len,
 642                                             ssi_signal) > 0) {
 643                         ret = 1;
 644                         break;
 645                 }
 646         }
 647         return ret;
 648 }
 649
 650
 651 #ifdef HOSTAPD
 652
 653 #ifdef CONFIG_IEEE80211R
 654 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
 655                                           const u8 *bssid,
 656                                           u16 auth_transaction, u16 status,
 657                                           const u8 *ies, size_t ies_len)
 658 {
 659         struct hostapd_data *hapd = ctx;
 660         struct sta_info *sta;
 661
 662         sta = ap_get_sta(hapd, dst);
 663         if (sta == NULL)
 664                 return;
 665
 666         hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
 667                        HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
 668         sta->flags |= WLAN_STA_AUTH;
 669
 670         hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
 671 }
 672 #endif /* CONFIG_IEEE80211R */
 673
 674
 675 static void hostapd_notif_auth(struct hostapd_data *hapd,
 676                                struct auth_info *rx_auth)
 677 {
 678         struct sta_info *sta;
 679         u16 status = WLAN_STATUS_SUCCESS;
 680         u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
 681         size_t resp_ies_len = 0;
 682
 683         sta = ap_get_sta(hapd, rx_auth->peer);
 684         if (!sta) {
 685                 sta = ap_sta_add(hapd, rx_auth->peer);
 686                 if (sta == NULL) {
 687                         status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
 688                         goto fail;
 689                 }
 690         }
 691         sta->flags &= ~WLAN_STA_PREAUTH;
 692         ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
 693 #ifdef CONFIG_IEEE80211R
 694         if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
 695                 sta->auth_alg = WLAN_AUTH_FT;
 696                 if (sta->wpa_sm == NULL)
 697                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 698                                                         sta->addr, NULL);
 699                 if (sta->wpa_sm == NULL) {
 700                         wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
 701                                    "state machine");
 702                         status = WLAN_STATUS_UNSPECIFIED_FAILURE;
 703                         goto fail;
 704                 }
 705                 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
 706                                     rx_auth->auth_transaction, rx_auth->ies,
 707                                     rx_auth->ies_len,
 708                                     hostapd_notify_auth_ft_finish, hapd);
 709                 return;
 710         }
 711 #endif /* CONFIG_IEEE80211R */
 712 fail:
 713         hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
 714                          status, resp_ies, resp_ies_len);
 715 }
 716
 717
 718 static void hostapd_action_rx(struct hostapd_data *hapd,
 719                               struct rx_mgmt *drv_mgmt)
 720 {
 721         struct ieee80211_mgmt *mgmt;
 722         struct sta_info *sta;
 723         size_t plen __maybe_unused;
 724         u16 fc;
 725
 726         if (drv_mgmt->frame_len < 24 + 1)
 727                 return;
 728
 729         plen = drv_mgmt->frame_len - 24 - 1;
 730
 731         mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
 732         fc = le_to_host16(mgmt->frame_control);
 733         if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
 734                 return; /* handled by the driver */
 735
 736         wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
 737                    mgmt->u.action.category, (int) plen);
 738
 739         sta = ap_get_sta(hapd, mgmt->sa);
 740         if (sta == NULL) {
 741                 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
 742                 return;
 743         }
 744 #ifdef CONFIG_IEEE80211R
 745         if (mgmt->u.action.category == WLAN_ACTION_FT) {
 746                 const u8 *payload = drv_mgmt->frame + 24 + 1;
 747                 wpa_ft_action_rx(sta->wpa_sm, payload, plen);
 748         }
 749 #endif /* CONFIG_IEEE80211R */
 750 #ifdef CONFIG_IEEE80211W
 751         if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
 752                 ieee802_11_sa_query_action(
 753                         hapd, mgmt->sa,
 754                         mgmt->u.action.u.sa_query_resp.action,
 755                         mgmt->u.action.u.sa_query_resp.trans_id);
 756         }
 757 #endif /* CONFIG_IEEE80211W */
 758 #ifdef CONFIG_WNM
 759         if (mgmt->u.action.category == WLAN_ACTION_WNM) {
 760                 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
 761         }
 762 #endif /* CONFIG_WNM */
 763 #ifdef CONFIG_FST
 764         if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
 765                 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
 766                 return;
 767         }
 768 #endif /* CONFIG_FST */
 769
 770 }
 771
 772
 773 #ifdef NEED_AP_MLME
 774
 775 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
 776
 777 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
 778                                             const u8 *bssid)
 779 {
 780         size_t i;
 781
 782         if (bssid == NULL)
 783                 return NULL;
 784         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
 785             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
 786                 return HAPD_BROADCAST;
 787
 788         for (i = 0; i < iface->num_bss; i++) {
 789                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
 790                         return iface->bss[i];
 791         }
 792
 793         return NULL;
 794 }
 795
 796
 797 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
 798                                         const u8 *bssid, const u8 *addr,
 799                                         int wds)
 800 {
 801         hapd = get_hapd_bssid(hapd->iface, bssid);
 802         if (hapd == NULL || hapd == HAPD_BROADCAST)
 803                 return;
 804
 805         ieee802_11_rx_from_unknown(hapd, addr, wds);
 806 }
 807
 808
 809 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 810 {
 811         struct hostapd_iface *iface = hapd->iface;
 812         const struct ieee80211_hdr *hdr;
 813         const u8 *bssid;
 814         struct hostapd_frame_info fi;
 815         int ret;
 816
 817 #ifdef CONFIG_TESTING_OPTIONS
 818         if (hapd->ext_mgmt_frame_handling) {
 819                 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
 820                 char *hex = os_malloc(hex_len);
 821                 if (hex) {
 822                         wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
 823                                          rx_mgmt->frame_len);
 824                         wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
 825                         os_free(hex);
 826                 }
 827                 return 1;
 828         }
 829 #endif /* CONFIG_TESTING_OPTIONS */
 830
 831         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
 832         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
 833         if (bssid == NULL)
 834                 return 0;
 835
 836         hapd = get_hapd_bssid(iface, bssid);
 837         if (hapd == NULL) {
 838                 u16 fc;
 839                 fc = le_to_host16(hdr->frame_control);
 840
 841                 /*
 842                  * Drop frames to unknown BSSIDs except for Beacon frames which
 843                  * could be used to update neighbor information.
 844                  */
 845                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 846                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 847                         hapd = iface->bss[0];
 848                 else
 849                         return 0;
 850         }
 851
 852         os_memset(&fi, 0, sizeof(fi));
 853         fi.datarate = rx_mgmt->datarate;
 854         fi.ssi_signal = rx_mgmt->ssi_signal;
 855
 856         if (hapd == HAPD_BROADCAST) {
 857                 size_t i;
 858                 ret = 0;
 859                 for (i = 0; i < iface->num_bss; i++) {
 860                         /* if bss is set, driver will call this function for
 861                          * each bss individually. */
 862                         if (rx_mgmt->drv_priv &&
 863                             (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
 864                                 continue;
 865
 866                         if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
 867                                             rx_mgmt->frame_len, &fi) > 0)
 868                                 ret = 1;
 869                 }
 870         } else
 871                 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
 872                                       &fi);
 873
 874         random_add_randomness(&fi, sizeof(fi));
 875
 876         return ret;
 877 }
 878
 879
 880 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 881                                size_t len, u16 stype, int ok)
 882 {
 883         struct ieee80211_hdr *hdr;
 884         hdr = (struct ieee80211_hdr *) buf;
 885         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 886         if (hapd == NULL || hapd == HAPD_BROADCAST)
 887                 return;
 888         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 889 }
 890
 891 #endif /* NEED_AP_MLME */
 892
 893
 894 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 895 {
 896         struct sta_info *sta = ap_get_sta(hapd, addr);
 897         if (sta)
 898                 return 0;
 899
 900         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
 901                    " - adding a new STA", MAC2STR(addr));
 902         sta = ap_sta_add(hapd, addr);
 903         if (sta) {
 904                 hostapd_new_assoc_sta(hapd, sta, 0);
 905         } else {
 906                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
 907                            MAC2STR(addr));
 908                 return -1;
 909         }
 910
 911         return 0;
 912 }
 913
 914
 915 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 916                                    const u8 *data, size_t data_len)
 917 {
 918         struct hostapd_iface *iface = hapd->iface;
 919         struct sta_info *sta;
 920         size_t j;
 921
 922         for (j = 0; j < iface->num_bss; j++) {
 923                 if ((sta = ap_get_sta(iface->bss[j], src))) {
 924                         if (sta->flags & WLAN_STA_ASSOC) {
 925                                 hapd = iface->bss[j];
 926                                 break;
 927                         }
 928                 }
 929         }
 930
 931         ieee802_1x_receive(hapd, src, data, data_len);
 932 }
 933
 934
 935 static struct hostapd_channel_data * hostapd_get_mode_channel(
 936         struct hostapd_iface *iface, unsigned int freq)
 937 {
 938         int i;
 939         struct hostapd_channel_data *chan;
 940
 941         for (i = 0; i < iface->current_mode->num_channels; i++) {
 942                 chan = &iface->current_mode->channels[i];
 943                 if (!chan)
 944                         return NULL;
 945                 if ((unsigned int) chan->freq == freq)
 946                         return chan;
 947         }
 948
 949         return NULL;
 950 }
 951
 952
 953 static void hostapd_update_nf(struct hostapd_iface *iface,
 954                               struct hostapd_channel_data *chan,
 955                               struct freq_survey *survey)
 956 {
 957         if (!iface->chans_surveyed) {
 958                 chan->min_nf = survey->nf;
 959                 iface->lowest_nf = survey->nf;
 960         } else {
 961                 if (dl_list_empty(&chan->survey_list))
 962                         chan->min_nf = survey->nf;
 963                 else if (survey->nf < chan->min_nf)
 964                         chan->min_nf = survey->nf;
 965                 if (survey->nf < iface->lowest_nf)
 966                         iface->lowest_nf = survey->nf;
 967         }
 968 }
 969
 970
 971 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
 972                                               struct survey_results *survey_res)
 973 {
 974         struct hostapd_channel_data *chan;
 975         struct freq_survey *survey;
 976         u64 divisor, dividend;
 977
 978         survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
 979                                list);
 980         if (!survey || !survey->freq)
 981                 return;
 982
 983         chan = hostapd_get_mode_channel(iface, survey->freq);
 984         if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
 985                 return;
 986
 987         wpa_printf(MSG_DEBUG, "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
 988                    survey->freq,
 989                    (unsigned long int) survey->channel_time,
 990                    (unsigned long int) survey->channel_time_busy);
 991
 992         if (survey->channel_time > iface->last_channel_time &&
 993             survey->channel_time > survey->channel_time_busy) {
 994                 dividend = survey->channel_time_busy -
 995                         iface->last_channel_time_busy;
 996                 divisor = survey->channel_time - iface->last_channel_time;
 997
 998                 iface->channel_utilization = dividend * 255 / divisor;
 999                 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1000                            iface->channel_utilization);
1001         }
1002         iface->last_channel_time = survey->channel_time;
1003         iface->last_channel_time_busy = survey->channel_time_busy;
1004 }
1005
1006
1007 static void hostapd_event_get_survey(struct hostapd_data *hapd,
1008                                      struct survey_results *survey_results)
1009 {
1010         struct hostapd_iface *iface = hapd->iface;
1011         struct freq_survey *survey, *tmp;
1012         struct hostapd_channel_data *chan;
1013
1014         if (dl_list_empty(&survey_results->survey_list)) {
1015                 wpa_printf(MSG_DEBUG, "No survey data received");
1016                 return;
1017         }
1018
1019         if (survey_results->freq_filter) {
1020                 hostapd_single_channel_get_survey(iface, survey_results);
1021                 return;
1022         }
1023
1024         dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1025                               struct freq_survey, list) {
1026                 chan = hostapd_get_mode_channel(iface, survey->freq);
1027                 if (!chan)
1028                         continue;
1029                 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1030                         continue;
1031
1032                 dl_list_del(&survey->list);
1033                 dl_list_add_tail(&chan->survey_list, &survey->list);
1034
1035                 hostapd_update_nf(iface, chan, survey);
1036
1037                 iface->chans_surveyed++;
1038         }
1039 }
1040
1041
1042 #ifdef NEED_AP_MLME
1043
1044 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1045 {
1046         wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1047                    hapd->conf->iface);
1048
1049         if (hapd->csa_in_progress) {
1050                 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1051                            hapd->conf->iface);
1052                 hostapd_switch_channel_fallback(hapd->iface,
1053                                                 &hapd->cs_freq_params);
1054         }
1055 }
1056
1057
1058 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1059                                              struct dfs_event *radar)
1060 {
1061         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1062         hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1063                                    radar->chan_offset, radar->chan_width,
1064                                    radar->cf1, radar->cf2);
1065 }
1066
1067
1068 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1069                                            struct dfs_event *radar)
1070 {
1071         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1072         hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1073                                  radar->chan_offset, radar->chan_width,
1074                                  radar->cf1, radar->cf2);
1075 }
1076
1077
1078 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1079                                           struct dfs_event *radar)
1080 {
1081         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1082         hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1083                                  radar->chan_offset, radar->chan_width,
1084                                  radar->cf1, radar->cf2);
1085 }
1086
1087
1088 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1089                                            struct dfs_event *radar)
1090 {
1091         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1092         hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1093                                  radar->chan_offset, radar->chan_width,
1094                                  radar->cf1, radar->cf2);
1095 }
1096
1097
1098 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1099                                           struct dfs_event *radar)
1100 {
1101         wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1102         hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1103                               radar->chan_offset, radar->chan_width,
1104                               radar->cf1, radar->cf2);
1105 }
1106
1107 #endif /* NEED_AP_MLME */
1108
1109
1110 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1111                           union wpa_event_data *data)
1112 {
1113         struct hostapd_data *hapd = ctx;
1114 #ifndef CONFIG_NO_STDOUT_DEBUG
1115         int level = MSG_DEBUG;
1116
1117         if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1118             data->rx_mgmt.frame_len >= 24) {
1119                 const struct ieee80211_hdr *hdr;
1120                 u16 fc;
1121                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1122                 fc = le_to_host16(hdr->frame_control);
1123                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1124                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1125                         level = MSG_EXCESSIVE;
1126                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1127                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1128                         level = MSG_EXCESSIVE;
1129         }
1130
1131         wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1132                 event_to_string(event), event);
1133 #endif /* CONFIG_NO_STDOUT_DEBUG */
1134
1135         switch (event) {
1136         case EVENT_MICHAEL_MIC_FAILURE:
1137                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1138                 break;
1139         case EVENT_SCAN_RESULTS:
1140                 if (hapd->iface->scan_cb)
1141                         hapd->iface->scan_cb(hapd->iface);
1142                 break;
1143         case EVENT_WPS_BUTTON_PUSHED:
1144                 hostapd_wps_button_pushed(hapd, NULL);
1145                 break;
1146 #ifdef NEED_AP_MLME
1147         case EVENT_TX_STATUS:
1148                 switch (data->tx_status.type) {
1149                 case WLAN_FC_TYPE_MGMT:
1150                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1151                                            data->tx_status.data_len,
1152                                            data->tx_status.stype,
1153                                            data->tx_status.ack);
1154                         break;
1155                 case WLAN_FC_TYPE_DATA:
1156                         hostapd_tx_status(hapd, data->tx_status.dst,
1157                                           data->tx_status.data,
1158                                           data->tx_status.data_len,
1159                                           data->tx_status.ack);
1160                         break;
1161                 }
1162                 break;
1163         case EVENT_EAPOL_TX_STATUS:
1164                 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1165                                         data->eapol_tx_status.data,
1166                                         data->eapol_tx_status.data_len,
1167                                         data->eapol_tx_status.ack);
1168                 break;
1169         case EVENT_DRIVER_CLIENT_POLL_OK:
1170                 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1171                 break;
1172         case EVENT_RX_FROM_UNKNOWN:
1173                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1174                                             data->rx_from_unknown.addr,
1175                                             data->rx_from_unknown.wds);
1176                 break;
1177 #endif /* NEED_AP_MLME */
1178         case EVENT_RX_MGMT:
1179                 if (!data->rx_mgmt.frame)
1180                         break;
1181 #ifdef NEED_AP_MLME
1182                 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1183                         break;
1184 #endif /* NEED_AP_MLME */
1185                 hostapd_action_rx(hapd, &data->rx_mgmt);
1186                 break;
1187         case EVENT_RX_PROBE_REQ:
1188                 if (data->rx_probe_req.sa == NULL ||
1189                     data->rx_probe_req.ie == NULL)
1190                         break;
1191                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1192                                      data->rx_probe_req.da,
1193                                      data->rx_probe_req.bssid,
1194                                      data->rx_probe_req.ie,
1195                                      data->rx_probe_req.ie_len,
1196                                      data->rx_probe_req.ssi_signal);
1197                 break;
1198         case EVENT_NEW_STA:
1199                 hostapd_event_new_sta(hapd, data->new_sta.addr);
1200                 break;
1201         case EVENT_EAPOL_RX:
1202                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1203                                        data->eapol_rx.data,
1204                                        data->eapol_rx.data_len);
1205                 break;
1206         case EVENT_ASSOC:
1207                 if (!data)
1208                         return;
1209                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1210                                     data->assoc_info.req_ies,
1211                                     data->assoc_info.req_ies_len,
1212                                     data->assoc_info.reassoc);
1213                 break;
1214         case EVENT_DISASSOC:
1215                 if (data)
1216                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1217                 break;
1218         case EVENT_DEAUTH:
1219                 if (data)
1220                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1221                 break;
1222         case EVENT_STATION_LOW_ACK:
1223                 if (!data)
1224                         break;
1225                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1226                 break;
1227         case EVENT_AUTH:
1228                 hostapd_notif_auth(hapd, &data->auth);
1229                 break;
1230         case EVENT_CH_SWITCH:
1231                 if (!data)
1232                         break;
1233                 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1234                                         data->ch_switch.ht_enabled,
1235                                         data->ch_switch.ch_offset,
1236                                         data->ch_switch.ch_width,
1237                                         data->ch_switch.cf1,
1238                                         data->ch_switch.cf2);
1239                 break;
1240         case EVENT_CONNECT_FAILED_REASON:
1241                 if (!data)
1242                         break;
1243                 hostapd_event_connect_failed_reason(
1244                         hapd, data->connect_failed_reason.addr,
1245                         data->connect_failed_reason.code);
1246                 break;
1247         case EVENT_SURVEY:
1248                 hostapd_event_get_survey(hapd, &data->survey_results);
1249                 break;
1250 #ifdef NEED_AP_MLME
1251         case EVENT_INTERFACE_UNAVAILABLE:
1252                 hostapd_event_iface_unavailable(hapd);
1253                 break;
1254         case EVENT_DFS_RADAR_DETECTED:
1255                 if (!data)
1256                         break;
1257                 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1258                 break;
1259         case EVENT_DFS_CAC_FINISHED:
1260                 if (!data)
1261                         break;
1262                 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1263                 break;
1264         case EVENT_DFS_CAC_ABORTED:
1265                 if (!data)
1266                         break;
1267                 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1268                 break;
1269         case EVENT_DFS_NOP_FINISHED:
1270                 if (!data)
1271                         break;
1272                 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1273                 break;
1274         case EVENT_CHANNEL_LIST_CHANGED:
1275                 /* channel list changed (regulatory?), update channel list */
1276                 /* TODO: check this. hostapd_get_hw_features() initializes
1277                  * too much stuff. */
1278                 /* hostapd_get_hw_features(hapd->iface); */
1279                 hostapd_channel_list_updated(
1280                         hapd->iface, data->channel_list_changed.initiator);
1281                 break;
1282         case EVENT_DFS_CAC_STARTED:
1283                 if (!data)
1284                         break;
1285                 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1286                 break;
1287 #endif /* NEED_AP_MLME */
1288         case EVENT_INTERFACE_ENABLED:
1289                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1290                 if (hapd->disabled && hapd->started) {
1291                         hapd->disabled = 0;
1292                         /*
1293                          * Try to re-enable interface if the driver stopped it
1294                          * when the interface got disabled.
1295                          */
1296                         wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1297                         hapd->reenable_beacon = 1;
1298                         ieee802_11_set_beacon(hapd);
1299                 }
1300                 break;
1301         case EVENT_INTERFACE_DISABLED:
1302                 hostapd_free_stas(hapd);
1303                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1304                 hapd->disabled = 1;
1305                 break;
1306 #ifdef CONFIG_ACS
1307         case EVENT_ACS_CHANNEL_SELECTED:
1308                 hostapd_acs_channel_selected(hapd,
1309                                              &data->acs_selected_channels);
1310                 break;
1311 #endif /* CONFIG_ACS */
1312         default:
1313                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1314                 break;
1315         }
1316 }
1317
1318 #endif /* HOSTAPD */