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