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,
 446                        "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
 447                        freq, ht, offset, width, channel_width_to_string(width),
 448                        cf1, cf2);
 449
 450         hapd->iface->freq = freq;
 451
 452         channel = hostapd_hw_get_channel(hapd, freq);
 453         if (!channel) {
 454                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 455                                HOSTAPD_LEVEL_WARNING, "driver switched to "
 456                                "bad channel!");
 457                 return;
 458         }
 459
 460         switch (width) {
 461         case CHAN_WIDTH_80:
 462                 chwidth = VHT_CHANWIDTH_80MHZ;
 463                 break;
 464         case CHAN_WIDTH_80P80:
 465                 chwidth = VHT_CHANWIDTH_80P80MHZ;
 466                 break;
 467         case CHAN_WIDTH_160:
 468                 chwidth = VHT_CHANWIDTH_160MHZ;
 469                 break;
 470         case CHAN_WIDTH_20_NOHT:
 471         case CHAN_WIDTH_20:
 472         case CHAN_WIDTH_40:
 473         default:
 474                 chwidth = VHT_CHANWIDTH_USE_HT;
 475                 break;
 476         }
 477
 478         switch (hapd->iface->current_mode->mode) {
 479         case HOSTAPD_MODE_IEEE80211A:
 480                 if (cf1 > 5000)
 481                         seg0_idx = (cf1 - 5000) / 5;
 482                 if (cf2 > 5000)
 483                         seg1_idx = (cf2 - 5000) / 5;
 484                 break;
 485         default:
 486                 seg0_idx = hostapd_hw_get_channel(hapd, cf1);
 487                 seg1_idx = hostapd_hw_get_channel(hapd, cf2);
 488                 break;
 489         }
 490
 491         hapd->iconf->channel = channel;
 492         hapd->iconf->ieee80211n = ht;
 493         if (!ht)
 494                 hapd->iconf->ieee80211ac = 0;
 495         hapd->iconf->secondary_channel = offset;
 496         hapd->iconf->vht_oper_chwidth = chwidth;
 497         hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
 498         hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
 499
 500         if (hapd->csa_in_progress &&
 501             freq == hapd->cs_freq_params.freq) {
 502                 hostapd_cleanup_cs_params(hapd);
 503                 ieee802_11_set_beacon(hapd);
 504
 505                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d",
 506                         freq);
 507         }
 508 #endif /* NEED_AP_MLME */
 509 }
 510
 511
 512 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
 513                                          const u8 *addr, int reason_code)
 514 {
 515         switch (reason_code) {
 516         case MAX_CLIENT_REACHED:
 517                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
 518                         MAC2STR(addr));
 519                 break;
 520         case BLOCKED_CLIENT:
 521                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
 522                         MAC2STR(addr));
 523                 break;
 524         }
 525 }
 526
 527
 528 #ifdef CONFIG_ACS
 529 static void hostapd_acs_channel_selected(struct hostapd_data *hapd,
 530                                          u8 pri_channel, u8 sec_channel)
 531 {
 532         int channel;
 533         int ret;
 534
 535         if (hapd->iconf->channel) {
 536                 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
 537                            hapd->iconf->channel);
 538                 return;
 539         }
 540
 541         hapd->iface->freq = hostapd_hw_get_freq(hapd, pri_channel);
 542
 543         channel = pri_channel;
 544         if (!channel) {
 545                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 546                                HOSTAPD_LEVEL_WARNING,
 547                                "driver switched to bad channel");
 548                 return;
 549         }
 550
 551         hapd->iconf->channel = channel;
 552
 553         if (sec_channel == 0)
 554                 hapd->iconf->secondary_channel = 0;
 555         else if (sec_channel < pri_channel)
 556                 hapd->iconf->secondary_channel = -1;
 557         else if (sec_channel > pri_channel)
 558                 hapd->iconf->secondary_channel = 1;
 559         else {
 560                 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
 561                 return;
 562         }
 563
 564         ret = hostapd_acs_completed(hapd->iface, 0);
 565         if (ret) {
 566                 wpa_printf(MSG_ERROR,
 567                            "ACS: Possibly channel configuration is invalid");
 568         }
 569 }
 570 #endif /* CONFIG_ACS */
 571
 572
 573 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 574                          const u8 *bssid, const u8 *ie, size_t ie_len,
 575                          int ssi_signal)
 576 {
 577         size_t i;
 578         int ret = 0;
 579
 580         if (sa == NULL || ie == NULL)
 581                 return -1;
 582
 583         random_add_randomness(sa, ETH_ALEN);
 584         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 585                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 586                                             sa, da, bssid, ie, ie_len,
 587                                             ssi_signal) > 0) {
 588                         ret = 1;
 589                         break;
 590                 }
 591         }
 592         return ret;
 593 }
 594
 595
 596 #ifdef HOSTAPD
 597
 598 #ifdef CONFIG_IEEE80211R
 599 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
 600                                           const u8 *bssid,
 601                                           u16 auth_transaction, u16 status,
 602                                           const u8 *ies, size_t ies_len)
 603 {
 604         struct hostapd_data *hapd = ctx;
 605         struct sta_info *sta;
 606
 607         sta = ap_get_sta(hapd, dst);
 608         if (sta == NULL)
 609                 return;
 610
 611         hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
 612                        HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
 613         sta->flags |= WLAN_STA_AUTH;
 614
 615         hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
 616 }
 617 #endif /* CONFIG_IEEE80211R */
 618
 619
 620 static void hostapd_notif_auth(struct hostapd_data *hapd,
 621                                struct auth_info *rx_auth)
 622 {
 623         struct sta_info *sta;
 624         u16 status = WLAN_STATUS_SUCCESS;
 625         u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
 626         size_t resp_ies_len = 0;
 627
 628         sta = ap_get_sta(hapd, rx_auth->peer);
 629         if (!sta) {
 630                 sta = ap_sta_add(hapd, rx_auth->peer);
 631                 if (sta == NULL) {
 632                         status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
 633                         goto fail;
 634                 }
 635         }
 636         sta->flags &= ~WLAN_STA_PREAUTH;
 637         ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
 638 #ifdef CONFIG_IEEE80211R
 639         if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
 640                 sta->auth_alg = WLAN_AUTH_FT;
 641                 if (sta->wpa_sm == NULL)
 642                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 643                                                         sta->addr, NULL);
 644                 if (sta->wpa_sm == NULL) {
 645                         wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
 646                                    "state machine");
 647                         status = WLAN_STATUS_UNSPECIFIED_FAILURE;
 648                         goto fail;
 649                 }
 650                 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
 651                                     rx_auth->auth_transaction, rx_auth->ies,
 652                                     rx_auth->ies_len,
 653                                     hostapd_notify_auth_ft_finish, hapd);
 654                 return;
 655         }
 656 #endif /* CONFIG_IEEE80211R */
 657 fail:
 658         hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
 659                          status, resp_ies, resp_ies_len);
 660 }
 661
 662
 663 static void hostapd_action_rx(struct hostapd_data *hapd,
 664                               struct rx_mgmt *drv_mgmt)
 665 {
 666         struct ieee80211_mgmt *mgmt;
 667         struct sta_info *sta;
 668         size_t plen __maybe_unused;
 669         u16 fc;
 670
 671         if (drv_mgmt->frame_len < 24 + 1)
 672                 return;
 673
 674         plen = drv_mgmt->frame_len - 24 - 1;
 675
 676         mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
 677         fc = le_to_host16(mgmt->frame_control);
 678         if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
 679                 return; /* handled by the driver */
 680
 681         wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
 682                    mgmt->u.action.category, (int) plen);
 683
 684         sta = ap_get_sta(hapd, mgmt->sa);
 685         if (sta == NULL) {
 686                 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
 687                 return;
 688         }
 689 #ifdef CONFIG_IEEE80211R
 690         if (mgmt->u.action.category == WLAN_ACTION_FT) {
 691                 const u8 *payload = drv_mgmt->frame + 24 + 1;
 692                 wpa_ft_action_rx(sta->wpa_sm, payload, plen);
 693         }
 694 #endif /* CONFIG_IEEE80211R */
 695 #ifdef CONFIG_IEEE80211W
 696         if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
 697                 ieee802_11_sa_query_action(
 698                         hapd, mgmt->sa,
 699                         mgmt->u.action.u.sa_query_resp.action,
 700                         mgmt->u.action.u.sa_query_resp.trans_id);
 701         }
 702 #endif /* CONFIG_IEEE80211W */
 703 #ifdef CONFIG_WNM
 704         if (mgmt->u.action.category == WLAN_ACTION_WNM) {
 705                 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
 706         }
 707 #endif /* CONFIG_WNM */
 708 }
 709
 710
 711 #ifdef NEED_AP_MLME
 712
 713 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
 714
 715 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
 716                                             const u8 *bssid)
 717 {
 718         size_t i;
 719
 720         if (bssid == NULL)
 721                 return NULL;
 722         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
 723             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
 724                 return HAPD_BROADCAST;
 725
 726         for (i = 0; i < iface->num_bss; i++) {
 727                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
 728                         return iface->bss[i];
 729         }
 730
 731         return NULL;
 732 }
 733
 734
 735 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
 736                                         const u8 *bssid, const u8 *addr,
 737                                         int wds)
 738 {
 739         hapd = get_hapd_bssid(hapd->iface, bssid);
 740         if (hapd == NULL || hapd == HAPD_BROADCAST)
 741                 return;
 742
 743         ieee802_11_rx_from_unknown(hapd, addr, wds);
 744 }
 745
 746
 747 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 748 {
 749         struct hostapd_iface *iface = hapd->iface;
 750         const struct ieee80211_hdr *hdr;
 751         const u8 *bssid;
 752         struct hostapd_frame_info fi;
 753         int ret;
 754
 755 #ifdef CONFIG_TESTING_OPTIONS
 756         if (hapd->ext_mgmt_frame_handling) {
 757                 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
 758                 char *hex = os_malloc(hex_len);
 759                 if (hex) {
 760                         wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
 761                                          rx_mgmt->frame_len);
 762                         wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
 763                         os_free(hex);
 764                 }
 765                 return 1;
 766         }
 767 #endif /* CONFIG_TESTING_OPTIONS */
 768
 769         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
 770         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
 771         if (bssid == NULL)
 772                 return 0;
 773
 774         hapd = get_hapd_bssid(iface, bssid);
 775         if (hapd == NULL) {
 776                 u16 fc;
 777                 fc = le_to_host16(hdr->frame_control);
 778
 779                 /*
 780                  * Drop frames to unknown BSSIDs except for Beacon frames which
 781                  * could be used to update neighbor information.
 782                  */
 783                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 784                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 785                         hapd = iface->bss[0];
 786                 else
 787                         return 0;
 788         }
 789
 790         os_memset(&fi, 0, sizeof(fi));
 791         fi.datarate = rx_mgmt->datarate;
 792         fi.ssi_signal = rx_mgmt->ssi_signal;
 793
 794         if (hapd == HAPD_BROADCAST) {
 795                 size_t i;
 796                 ret = 0;
 797                 for (i = 0; i < iface->num_bss; i++) {
 798                         /* if bss is set, driver will call this function for
 799                          * each bss individually. */
 800                         if (rx_mgmt->drv_priv &&
 801                             (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
 802                                 continue;
 803
 804                         if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
 805                                             rx_mgmt->frame_len, &fi) > 0)
 806                                 ret = 1;
 807                 }
 808         } else
 809                 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
 810                                       &fi);
 811
 812         random_add_randomness(&fi, sizeof(fi));
 813
 814         return ret;
 815 }
 816
 817
 818 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 819                                size_t len, u16 stype, int ok)
 820 {
 821         struct ieee80211_hdr *hdr;
 822         hdr = (struct ieee80211_hdr *) buf;
 823         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 824         if (hapd == NULL || hapd == HAPD_BROADCAST)
 825                 return;
 826         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 827 }
 828
 829 #endif /* NEED_AP_MLME */
 830
 831
 832 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 833 {
 834         struct sta_info *sta = ap_get_sta(hapd, addr);
 835         if (sta)
 836                 return 0;
 837
 838         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
 839                    " - adding a new STA", MAC2STR(addr));
 840         sta = ap_sta_add(hapd, addr);
 841         if (sta) {
 842                 hostapd_new_assoc_sta(hapd, sta, 0);
 843         } else {
 844                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
 845                            MAC2STR(addr));
 846                 return -1;
 847         }
 848
 849         return 0;
 850 }
 851
 852
 853 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 854                                    const u8 *data, size_t data_len)
 855 {
 856         struct hostapd_iface *iface = hapd->iface;
 857         struct sta_info *sta;
 858         size_t j;
 859
 860         for (j = 0; j < iface->num_bss; j++) {
 861                 if ((sta = ap_get_sta(iface->bss[j], src))) {
 862                         if (sta->flags & WLAN_STA_ASSOC) {
 863                                 hapd = iface->bss[j];
 864                                 break;
 865                         }
 866                 }
 867         }
 868
 869         ieee802_1x_receive(hapd, src, data, data_len);
 870 }
 871
 872
 873 static struct hostapd_channel_data * hostapd_get_mode_channel(
 874         struct hostapd_iface *iface, unsigned int freq)
 875 {
 876         int i;
 877         struct hostapd_channel_data *chan;
 878
 879         for (i = 0; i < iface->current_mode->num_channels; i++) {
 880                 chan = &iface->current_mode->channels[i];
 881                 if (!chan)
 882                         return NULL;
 883                 if ((unsigned int) chan->freq == freq)
 884                         return chan;
 885         }
 886
 887         return NULL;
 888 }
 889
 890
 891 static void hostapd_update_nf(struct hostapd_iface *iface,
 892                               struct hostapd_channel_data *chan,
 893                               struct freq_survey *survey)
 894 {
 895         if (!iface->chans_surveyed) {
 896                 chan->min_nf = survey->nf;
 897                 iface->lowest_nf = survey->nf;
 898         } else {
 899                 if (dl_list_empty(&chan->survey_list))
 900                         chan->min_nf = survey->nf;
 901                 else if (survey->nf < chan->min_nf)
 902                         chan->min_nf = survey->nf;
 903                 if (survey->nf < iface->lowest_nf)
 904                         iface->lowest_nf = survey->nf;
 905         }
 906 }
 907
 908
 909 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
 910                                               struct survey_results *survey_res)
 911 {
 912         struct hostapd_channel_data *chan;
 913         struct freq_survey *survey;
 914         u64 divisor, dividend;
 915
 916         survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
 917                                list);
 918         if (!survey || !survey->freq)
 919                 return;
 920
 921         chan = hostapd_get_mode_channel(iface, survey->freq);
 922         if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
 923                 return;
 924
 925         wpa_printf(MSG_DEBUG, "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
 926                    survey->freq,
 927                    (unsigned long int) survey->channel_time,
 928                    (unsigned long int) survey->channel_time_busy);
 929
 930         if (survey->channel_time > iface->last_channel_time &&
 931             survey->channel_time > survey->channel_time_busy) {
 932                 dividend = survey->channel_time_busy -
 933                         iface->last_channel_time_busy;
 934                 divisor = survey->channel_time - iface->last_channel_time;
 935
 936                 iface->channel_utilization = dividend * 255 / divisor;
 937                 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
 938                            iface->channel_utilization);
 939         }
 940         iface->last_channel_time = survey->channel_time;
 941         iface->last_channel_time_busy = survey->channel_time_busy;
 942 }
 943
 944
 945 static void hostapd_event_get_survey(struct hostapd_data *hapd,
 946                                      struct survey_results *survey_results)
 947 {
 948         struct hostapd_iface *iface = hapd->iface;
 949         struct freq_survey *survey, *tmp;
 950         struct hostapd_channel_data *chan;
 951
 952         if (dl_list_empty(&survey_results->survey_list)) {
 953                 wpa_printf(MSG_DEBUG, "No survey data received");
 954                 return;
 955         }
 956
 957         if (survey_results->freq_filter) {
 958                 hostapd_single_channel_get_survey(iface, survey_results);
 959                 return;
 960         }
 961
 962         dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
 963                               struct freq_survey, list) {
 964                 chan = hostapd_get_mode_channel(iface, survey->freq);
 965                 if (!chan)
 966                         continue;
 967                 if (chan->flag & HOSTAPD_CHAN_DISABLED)
 968                         continue;
 969
 970                 dl_list_del(&survey->list);
 971                 dl_list_add_tail(&chan->survey_list, &survey->list);
 972
 973                 hostapd_update_nf(iface, chan, survey);
 974
 975                 iface->chans_surveyed++;
 976         }
 977 }
 978
 979
 980 #ifdef NEED_AP_MLME
 981
 982 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
 983 {
 984         wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
 985                    hapd->conf->iface);
 986
 987         if (hapd->csa_in_progress) {
 988                 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
 989                            hapd->conf->iface);
 990                 hostapd_switch_channel_fallback(hapd->iface,
 991                                                 &hapd->cs_freq_params);
 992         }
 993 }
 994
 995
 996 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
 997                                              struct dfs_event *radar)
 998 {
 999         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1000         hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1001                                    radar->chan_offset, radar->chan_width,
1002                                    radar->cf1, radar->cf2);
1003 }
1004
1005
1006 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1007                                            struct dfs_event *radar)
1008 {
1009         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1010         hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1011                                  radar->chan_offset, radar->chan_width,
1012                                  radar->cf1, radar->cf2);
1013 }
1014
1015
1016 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1017                                           struct dfs_event *radar)
1018 {
1019         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1020         hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1021                                  radar->chan_offset, radar->chan_width,
1022                                  radar->cf1, radar->cf2);
1023 }
1024
1025
1026 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1027                                            struct dfs_event *radar)
1028 {
1029         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1030         hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1031                                  radar->chan_offset, radar->chan_width,
1032                                  radar->cf1, radar->cf2);
1033 }
1034
1035 #endif /* NEED_AP_MLME */
1036
1037
1038 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1039                           union wpa_event_data *data)
1040 {
1041         struct hostapd_data *hapd = ctx;
1042 #ifndef CONFIG_NO_STDOUT_DEBUG
1043         int level = MSG_DEBUG;
1044
1045         if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1046             data->rx_mgmt.frame_len >= 24) {
1047                 const struct ieee80211_hdr *hdr;
1048                 u16 fc;
1049                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1050                 fc = le_to_host16(hdr->frame_control);
1051                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1052                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1053                         level = MSG_EXCESSIVE;
1054                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1055                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1056                         level = MSG_EXCESSIVE;
1057         }
1058
1059         wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1060                 event_to_string(event), event);
1061 #endif /* CONFIG_NO_STDOUT_DEBUG */
1062
1063         switch (event) {
1064         case EVENT_MICHAEL_MIC_FAILURE:
1065                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1066                 break;
1067         case EVENT_SCAN_RESULTS:
1068                 if (hapd->iface->scan_cb)
1069                         hapd->iface->scan_cb(hapd->iface);
1070                 break;
1071         case EVENT_WPS_BUTTON_PUSHED:
1072                 hostapd_wps_button_pushed(hapd, NULL);
1073                 break;
1074 #ifdef NEED_AP_MLME
1075         case EVENT_TX_STATUS:
1076                 switch (data->tx_status.type) {
1077                 case WLAN_FC_TYPE_MGMT:
1078                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1079                                            data->tx_status.data_len,
1080                                            data->tx_status.stype,
1081                                            data->tx_status.ack);
1082                         break;
1083                 case WLAN_FC_TYPE_DATA:
1084                         hostapd_tx_status(hapd, data->tx_status.dst,
1085                                           data->tx_status.data,
1086                                           data->tx_status.data_len,
1087                                           data->tx_status.ack);
1088                         break;
1089                 }
1090                 break;
1091         case EVENT_EAPOL_TX_STATUS:
1092                 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1093                                         data->eapol_tx_status.data,
1094                                         data->eapol_tx_status.data_len,
1095                                         data->eapol_tx_status.ack);
1096                 break;
1097         case EVENT_DRIVER_CLIENT_POLL_OK:
1098                 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1099                 break;
1100         case EVENT_RX_FROM_UNKNOWN:
1101                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1102                                             data->rx_from_unknown.addr,
1103                                             data->rx_from_unknown.wds);
1104                 break;
1105 #endif /* NEED_AP_MLME */
1106         case EVENT_RX_MGMT:
1107                 if (!data->rx_mgmt.frame)
1108                         break;
1109 #ifdef NEED_AP_MLME
1110                 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1111                         break;
1112 #endif /* NEED_AP_MLME */
1113                 hostapd_action_rx(hapd, &data->rx_mgmt);
1114                 break;
1115         case EVENT_RX_PROBE_REQ:
1116                 if (data->rx_probe_req.sa == NULL ||
1117                     data->rx_probe_req.ie == NULL)
1118                         break;
1119                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1120                                      data->rx_probe_req.da,
1121                                      data->rx_probe_req.bssid,
1122                                      data->rx_probe_req.ie,
1123                                      data->rx_probe_req.ie_len,
1124                                      data->rx_probe_req.ssi_signal);
1125                 break;
1126         case EVENT_NEW_STA:
1127                 hostapd_event_new_sta(hapd, data->new_sta.addr);
1128                 break;
1129         case EVENT_EAPOL_RX:
1130                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1131                                        data->eapol_rx.data,
1132                                        data->eapol_rx.data_len);
1133                 break;
1134         case EVENT_ASSOC:
1135                 if (!data)
1136                         return;
1137                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1138                                     data->assoc_info.req_ies,
1139                                     data->assoc_info.req_ies_len,
1140                                     data->assoc_info.reassoc);
1141                 break;
1142         case EVENT_DISASSOC:
1143                 if (data)
1144                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1145                 break;
1146         case EVENT_DEAUTH:
1147                 if (data)
1148                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1149                 break;
1150         case EVENT_STATION_LOW_ACK:
1151                 if (!data)
1152                         break;
1153                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1154                 break;
1155         case EVENT_AUTH:
1156                 hostapd_notif_auth(hapd, &data->auth);
1157                 break;
1158         case EVENT_CH_SWITCH:
1159                 if (!data)
1160                         break;
1161                 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1162                                         data->ch_switch.ht_enabled,
1163                                         data->ch_switch.ch_offset,
1164                                         data->ch_switch.ch_width,
1165                                         data->ch_switch.cf1,
1166                                         data->ch_switch.cf2);
1167                 break;
1168         case EVENT_CONNECT_FAILED_REASON:
1169                 if (!data)
1170                         break;
1171                 hostapd_event_connect_failed_reason(
1172                         hapd, data->connect_failed_reason.addr,
1173                         data->connect_failed_reason.code);
1174                 break;
1175         case EVENT_SURVEY:
1176                 hostapd_event_get_survey(hapd, &data->survey_results);
1177                 break;
1178 #ifdef NEED_AP_MLME
1179         case EVENT_INTERFACE_UNAVAILABLE:
1180                 hostapd_event_iface_unavailable(hapd);
1181                 break;
1182         case EVENT_DFS_RADAR_DETECTED:
1183                 if (!data)
1184                         break;
1185                 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1186                 break;
1187         case EVENT_DFS_CAC_FINISHED:
1188                 if (!data)
1189                         break;
1190                 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1191                 break;
1192         case EVENT_DFS_CAC_ABORTED:
1193                 if (!data)
1194                         break;
1195                 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1196                 break;
1197         case EVENT_DFS_NOP_FINISHED:
1198                 if (!data)
1199                         break;
1200                 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1201                 break;
1202         case EVENT_CHANNEL_LIST_CHANGED:
1203                 /* channel list changed (regulatory?), update channel list */
1204                 /* TODO: check this. hostapd_get_hw_features() initializes
1205                  * too much stuff. */
1206                 /* hostapd_get_hw_features(hapd->iface); */
1207                 hostapd_channel_list_updated(
1208                         hapd->iface, data->channel_list_changed.initiator);
1209                 break;
1210 #endif /* NEED_AP_MLME */
1211         case EVENT_INTERFACE_ENABLED:
1212                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1213                 break;
1214         case EVENT_INTERFACE_DISABLED:
1215                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1216                 break;
1217 #ifdef CONFIG_ACS
1218         case EVENT_ACS_CHANNEL_SELECTED:
1219                 hostapd_acs_channel_selected(
1220                         hapd, data->acs_selected_channels.pri_channel,
1221                         data->acs_selected_channels.sec_channel);
1222                 break;
1223 #endif /* CONFIG_ACS */
1224         default:
1225                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1226                 break;
1227         }
1228 }
1229
1230 #endif /* HOSTAPD */