libeap/src/ap/drv_callbacks.c

   1 /*
   2  * hostapd / Callback functions for driver wrappers
   3  * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "radius/radius.h"
  14 #include "drivers/driver.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/ieee802_11_common.h"
  17 #include "common/wpa_ctrl.h"
  18 #include "crypto/random.h"
  19 #include "p2p/p2p.h"
  20 #include "wps/wps.h"
  21 #include "fst/fst.h"
  22 #include "wnm_ap.h"
  23 #include "hostapd.h"
  24 #include "ieee802_11.h"
  25 #include "sta_info.h"
  26 #include "accounting.h"
  27 #include "tkip_countermeasures.h"
  28 #include "ieee802_1x.h"
  29 #include "wpa_auth.h"
  30 #include "wps_hostapd.h"
  31 #include "ap_drv_ops.h"
  32 #include "ap_config.h"
  33 #include "hw_features.h"
  34 #include "dfs.h"
  35 #include "beacon.h"
  36
  37
  38 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
  39                         const u8 *req_ies, size_t req_ies_len, int reassoc)
  40 {
  41         struct sta_info *sta;
  42         int new_assoc, res;
  43         struct ieee802_11_elems elems;
  44         const u8 *ie;
  45         size_t ielen;
  46 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
  47         u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
  48         u8 *p = buf;
  49 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
  50         u16 reason = WLAN_REASON_UNSPECIFIED;
  51         u16 status = WLAN_STATUS_SUCCESS;
  52         const u8 *p2p_dev_addr = NULL;
  53
  54         if (addr == NULL) {
  55                 /*
  56                  * This could potentially happen with unexpected event from the
  57                  * driver wrapper. This was seen at least in one case where the
  58                  * driver ended up being set to station mode while hostapd was
  59                  * running, so better make sure we stop processing such an
  60                  * event here.
  61                  */
  62                 wpa_printf(MSG_DEBUG,
  63                            "hostapd_notif_assoc: Skip event with no address");
  64                 return -1;
  65         }
  66         random_add_randomness(addr, ETH_ALEN);
  67
  68         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  69                        HOSTAPD_LEVEL_INFO, "associated");
  70
  71         ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
  72         if (elems.wps_ie) {
  73                 ie = elems.wps_ie - 2;
  74                 ielen = elems.wps_ie_len + 2;
  75                 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
  76         } else if (elems.rsn_ie) {
  77                 ie = elems.rsn_ie - 2;
  78                 ielen = elems.rsn_ie_len + 2;
  79                 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
  80         } else if (elems.wpa_ie) {
  81                 ie = elems.wpa_ie - 2;
  82                 ielen = elems.wpa_ie_len + 2;
  83                 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
  84 #ifdef CONFIG_HS20
  85         } else if (elems.osen) {
  86                 ie = elems.osen - 2;
  87                 ielen = elems.osen_len + 2;
  88                 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
  89 #endif /* CONFIG_HS20 */
  90         } else {
  91                 ie = NULL;
  92                 ielen = 0;
  93                 wpa_printf(MSG_DEBUG,
  94                            "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
  95         }
  96
  97         sta = ap_get_sta(hapd, addr);
  98         if (sta) {
  99                 ap_sta_no_session_timeout(hapd, sta);
 100                 accounting_sta_stop(hapd, sta);
 101
 102                 /*
 103                  * Make sure that the previously registered inactivity timer
 104                  * will not remove the STA immediately.
 105                  */
 106                 sta->timeout_next = STA_NULLFUNC;
 107         } else {
 108                 sta = ap_sta_add(hapd, addr);
 109                 if (sta == NULL) {
 110                         hostapd_drv_sta_disassoc(hapd, addr,
 111                                                  WLAN_REASON_DISASSOC_AP_BUSY);
 112                         return -1;
 113                 }
 114         }
 115         sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
 116
 117 #ifdef CONFIG_P2P
 118         if (elems.p2p) {
 119                 wpabuf_free(sta->p2p_ie);
 120                 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 121                                                           P2P_IE_VENDOR_TYPE);
 122                 if (sta->p2p_ie)
 123                         p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
 124         }
 125 #endif /* CONFIG_P2P */
 126
 127 #ifdef CONFIG_IEEE80211N
 128 #ifdef NEED_AP_MLME
 129         if (elems.ht_capabilities &&
 130             (hapd->iface->conf->ht_capab &
 131              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
 132                 struct ieee80211_ht_capabilities *ht_cap =
 133                         (struct ieee80211_ht_capabilities *)
 134                         elems.ht_capabilities;
 135
 136                 if (le_to_host16(ht_cap->ht_capabilities_info) &
 137                     HT_CAP_INFO_40MHZ_INTOLERANT)
 138                         ht40_intolerant_add(hapd->iface, sta);
 139         }
 140 #endif /* NEED_AP_MLME */
 141 #endif /* CONFIG_IEEE80211N */
 142
 143 #ifdef CONFIG_INTERWORKING
 144         if (elems.ext_capab && elems.ext_capab_len > 4) {
 145                 if (elems.ext_capab[4] & 0x01)
 146                         sta->qos_map_enabled = 1;
 147         }
 148 #endif /* CONFIG_INTERWORKING */
 149
 150 #ifdef CONFIG_HS20
 151         wpabuf_free(sta->hs20_ie);
 152         if (elems.hs20 && elems.hs20_len > 4) {
 153                 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
 154                                                  elems.hs20_len - 4);
 155         } else
 156                 sta->hs20_ie = NULL;
 157 #endif /* CONFIG_HS20 */
 158
 159 #ifdef CONFIG_FST
 160         wpabuf_free(sta->mb_ies);
 161         if (hapd->iface->fst)
 162                 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
 163         else
 164                 sta->mb_ies = NULL;
 165 #endif /* CONFIG_FST */
 166
 167         if (hapd->conf->wpa) {
 168                 if (ie == NULL || ielen == 0) {
 169 #ifdef CONFIG_WPS
 170                         if (hapd->conf->wps_state) {
 171                                 wpa_printf(MSG_DEBUG,
 172                                            "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
 173                                 sta->flags |= WLAN_STA_MAYBE_WPS;
 174                                 goto skip_wpa_check;
 175                         }
 176 #endif /* CONFIG_WPS */
 177
 178                         wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
 179                         return -1;
 180                 }
 181 #ifdef CONFIG_WPS
 182                 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
 183                     os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
 184                         struct wpabuf *wps;
 185
 186                         sta->flags |= WLAN_STA_WPS;
 187                         wps = ieee802_11_vendor_ie_concat(ie, ielen,
 188                                                           WPS_IE_VENDOR_TYPE);
 189                         if (wps) {
 190                                 if (wps_is_20(wps)) {
 191                                         wpa_printf(MSG_DEBUG,
 192                                                    "WPS: STA supports WPS 2.0");
 193                                         sta->flags |= WLAN_STA_WPS2;
 194                                 }
 195                                 wpabuf_free(wps);
 196                         }
 197                         goto skip_wpa_check;
 198                 }
 199 #endif /* CONFIG_WPS */
 200
 201                 if (sta->wpa_sm == NULL)
 202                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 203                                                         sta->addr,
 204                                                         p2p_dev_addr);
 205                 if (sta->wpa_sm == NULL) {
 206                         wpa_printf(MSG_ERROR,
 207                                    "Failed to initialize WPA state machine");
 208                         return -1;
 209                 }
 210                 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
 211                                           ie, ielen,
 212                                           elems.mdie, elems.mdie_len);
 213                 if (res != WPA_IE_OK) {
 214                         wpa_printf(MSG_DEBUG,
 215                                    "WPA/RSN information element rejected? (res %u)",
 216                                    res);
 217                         wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 218                         if (res == WPA_INVALID_GROUP) {
 219                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 220                                 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
 221                         } else if (res == WPA_INVALID_PAIRWISE) {
 222                                 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
 223                                 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
 224                         } else if (res == WPA_INVALID_AKMP) {
 225                                 reason = WLAN_REASON_AKMP_NOT_VALID;
 226                                 status = WLAN_STATUS_AKMP_NOT_VALID;
 227                         }
 228 #ifdef CONFIG_IEEE80211W
 229                         else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
 230                                 reason = WLAN_REASON_INVALID_IE;
 231                                 status = WLAN_STATUS_INVALID_IE;
 232                         } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
 233                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 234                                 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
 235                         }
 236 #endif /* CONFIG_IEEE80211W */
 237                         else {
 238                                 reason = WLAN_REASON_INVALID_IE;
 239                                 status = WLAN_STATUS_INVALID_IE;
 240                         }
 241                         goto fail;
 242                 }
 243 #ifdef CONFIG_IEEE80211W
 244                 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
 245                     sta->sa_query_count > 0)
 246                         ap_check_sa_query_timeout(hapd, sta);
 247                 if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
 248                     (sta->auth_alg != WLAN_AUTH_FT)) {
 249                         /*
 250                          * STA has already been associated with MFP and SA
 251                          * Query timeout has not been reached. Reject the
 252                          * association attempt temporarily and start SA Query,
 253                          * if one is not pending.
 254                          */
 255
 256                         if (sta->sa_query_count == 0)
 257                                 ap_sta_start_sa_query(hapd, sta);
 258
 259                         status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
 260
 261                         p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
 262
 263                         hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
 264                                           p - buf);
 265                         return 0;
 266                 }
 267
 268                 if (wpa_auth_uses_mfp(sta->wpa_sm))
 269                         sta->flags |= WLAN_STA_MFP;
 270                 else
 271                         sta->flags &= ~WLAN_STA_MFP;
 272 #endif /* CONFIG_IEEE80211W */
 273
 274 #ifdef CONFIG_IEEE80211R
 275                 if (sta->auth_alg == WLAN_AUTH_FT) {
 276                         status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
 277                                                          req_ies_len);
 278                         if (status != WLAN_STATUS_SUCCESS) {
 279                                 if (status == WLAN_STATUS_INVALID_PMKID)
 280                                         reason = WLAN_REASON_INVALID_IE;
 281                                 if (status == WLAN_STATUS_INVALID_MDIE)
 282                                         reason = WLAN_REASON_INVALID_IE;
 283                                 if (status == WLAN_STATUS_INVALID_FTIE)
 284                                         reason = WLAN_REASON_INVALID_IE;
 285                                 goto fail;
 286                         }
 287                 }
 288 #endif /* CONFIG_IEEE80211R */
 289         } else if (hapd->conf->wps_state) {
 290 #ifdef CONFIG_WPS
 291                 struct wpabuf *wps;
 292
 293                 if (req_ies)
 294                         wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 295                                                           WPS_IE_VENDOR_TYPE);
 296                 else
 297                         wps = NULL;
 298 #ifdef CONFIG_WPS_STRICT
 299                 if (wps && wps_validate_assoc_req(wps) < 0) {
 300                         reason = WLAN_REASON_INVALID_IE;
 301                         status = WLAN_STATUS_INVALID_IE;
 302                         wpabuf_free(wps);
 303                         goto fail;
 304                 }
 305 #endif /* CONFIG_WPS_STRICT */
 306                 if (wps) {
 307                         sta->flags |= WLAN_STA_WPS;
 308                         if (wps_is_20(wps)) {
 309                                 wpa_printf(MSG_DEBUG,
 310                                            "WPS: STA supports WPS 2.0");
 311                                 sta->flags |= WLAN_STA_WPS2;
 312                         }
 313                 } else
 314                         sta->flags |= WLAN_STA_MAYBE_WPS;
 315                 wpabuf_free(wps);
 316 #endif /* CONFIG_WPS */
 317 #ifdef CONFIG_HS20
 318         } else if (hapd->conf->osen) {
 319                 if (elems.osen == NULL) {
 320                         hostapd_logger(
 321                                 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 322                                 HOSTAPD_LEVEL_INFO,
 323                                 "No HS 2.0 OSEN element in association request");
 324                         return WLAN_STATUS_INVALID_IE;
 325                 }
 326
 327                 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
 328                 if (sta->wpa_sm == NULL)
 329                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 330                                                         sta->addr, NULL);
 331                 if (sta->wpa_sm == NULL) {
 332                         wpa_printf(MSG_WARNING,
 333                                    "Failed to initialize WPA state machine");
 334                         return WLAN_STATUS_UNSPECIFIED_FAILURE;
 335                 }
 336                 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
 337                                       elems.osen - 2, elems.osen_len + 2) < 0)
 338                         return WLAN_STATUS_INVALID_IE;
 339 #endif /* CONFIG_HS20 */
 340         }
 341 #ifdef CONFIG_WPS
 342 skip_wpa_check:
 343 #endif /* CONFIG_WPS */
 344
 345 #ifdef CONFIG_IEEE80211R
 346         p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
 347                                         sta->auth_alg, req_ies, req_ies_len);
 348
 349         hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
 350
 351         if (sta->auth_alg == WLAN_AUTH_FT)
 352                 ap_sta_set_authorized(hapd, sta, 1);
 353 #else /* CONFIG_IEEE80211R */
 354         /* Keep compiler silent about unused variables */
 355         if (status) {
 356         }
 357 #endif /* CONFIG_IEEE80211R */
 358
 359         new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
 360         sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
 361         sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
 362
 363         hostapd_set_sta_flags(hapd, sta);
 364
 365         if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
 366                 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
 367         else
 368                 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
 369
 370         hostapd_new_assoc_sta(hapd, sta, !new_assoc);
 371
 372         ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
 373
 374 #ifdef CONFIG_P2P
 375         if (req_ies) {
 376                 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
 377                                       req_ies, req_ies_len);
 378         }
 379 #endif /* CONFIG_P2P */
 380
 381         return 0;
 382
 383 fail:
 384 #ifdef CONFIG_IEEE80211R
 385         hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
 386 #endif /* CONFIG_IEEE80211R */
 387         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 388         ap_free_sta(hapd, sta);
 389         return -1;
 390 }
 391
 392
 393 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 394 {
 395         struct sta_info *sta;
 396
 397         if (addr == NULL) {
 398                 /*
 399                  * This could potentially happen with unexpected event from the
 400                  * driver wrapper. This was seen at least in one case where the
 401                  * driver ended up reporting a station mode event while hostapd
 402                  * was running, so better make sure we stop processing such an
 403                  * event here.
 404                  */
 405                 wpa_printf(MSG_DEBUG,
 406                            "hostapd_notif_disassoc: Skip event with no address");
 407                 return;
 408         }
 409
 410         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 411                        HOSTAPD_LEVEL_INFO, "disassociated");
 412
 413         sta = ap_get_sta(hapd, addr);
 414         if (sta == NULL) {
 415                 wpa_printf(MSG_DEBUG,
 416                            "Disassociation notification for unknown STA "
 417                            MACSTR, MAC2STR(addr));
 418                 return;
 419         }
 420
 421         ap_sta_set_authorized(hapd, sta, 0);
 422         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 423         wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
 424         sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
 425         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 426         ap_free_sta(hapd, sta);
 427 }
 428
 429
 430 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 431 {
 432         struct sta_info *sta = ap_get_sta(hapd, addr);
 433
 434         if (!sta || !hapd->conf->disassoc_low_ack)
 435                 return;
 436
 437         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 438                        HOSTAPD_LEVEL_INFO,
 439                        "disconnected due to excessive missing ACKs");
 440         hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 441         if (sta)
 442                 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
 443 }
 444
 445
 446 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 447                              int offset, int width, int cf1, int cf2)
 448 {
 449 #ifdef NEED_AP_MLME
 450         int channel, chwidth, seg0_idx = 0, seg1_idx = 0, is_dfs;
 451
 452         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 453                        HOSTAPD_LEVEL_INFO,
 454                        "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
 455                        freq, ht, offset, width, channel_width_to_string(width),
 456                        cf1, cf2);
 457
 458         hapd->iface->freq = freq;
 459
 460         channel = hostapd_hw_get_channel(hapd, freq);
 461         if (!channel) {
 462                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 463                                HOSTAPD_LEVEL_WARNING,
 464                                "driver switched to bad channel!");
 465                 return;
 466         }
 467
 468         switch (width) {
 469         case CHAN_WIDTH_80:
 470                 chwidth = VHT_CHANWIDTH_80MHZ;
 471                 break;
 472         case CHAN_WIDTH_80P80:
 473                 chwidth = VHT_CHANWIDTH_80P80MHZ;
 474                 break;
 475         case CHAN_WIDTH_160:
 476                 chwidth = VHT_CHANWIDTH_160MHZ;
 477                 break;
 478         case CHAN_WIDTH_20_NOHT:
 479         case CHAN_WIDTH_20:
 480         case CHAN_WIDTH_40:
 481         default:
 482                 chwidth = VHT_CHANWIDTH_USE_HT;
 483                 break;
 484         }
 485
 486         switch (hapd->iface->current_mode->mode) {
 487         case HOSTAPD_MODE_IEEE80211A:
 488                 if (cf1 > 5000)
 489                         seg0_idx = (cf1 - 5000) / 5;
 490                 if (cf2 > 5000)
 491                         seg1_idx = (cf2 - 5000) / 5;
 492                 break;
 493         default:
 494                 seg0_idx = hostapd_hw_get_channel(hapd, cf1);
 495                 seg1_idx = hostapd_hw_get_channel(hapd, cf2);
 496                 break;
 497         }
 498
 499         hapd->iconf->channel = channel;
 500         hapd->iconf->ieee80211n = ht;
 501         if (!ht)
 502                 hapd->iconf->ieee80211ac = 0;
 503         hapd->iconf->secondary_channel = offset;
 504         hapd->iconf->vht_oper_chwidth = chwidth;
 505         hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
 506         hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
 507
 508         is_dfs = ieee80211_is_dfs(freq);
 509
 510         if (hapd->csa_in_progress &&
 511             freq == hapd->cs_freq_params.freq) {
 512                 hostapd_cleanup_cs_params(hapd);
 513                 ieee802_11_set_beacon(hapd);
 514
 515                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 516                         "freq=%d dfs=%d", freq, is_dfs);
 517         } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
 518                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 519                         "freq=%d dfs=%d", freq, is_dfs);
 520         }
 521 #endif /* NEED_AP_MLME */
 522 }
 523
 524
 525 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
 526                                          const u8 *addr, int reason_code)
 527 {
 528         switch (reason_code) {
 529         case MAX_CLIENT_REACHED:
 530                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
 531                         MAC2STR(addr));
 532                 break;
 533         case BLOCKED_CLIENT:
 534                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
 535                         MAC2STR(addr));
 536                 break;
 537         }
 538 }
 539
 540
 541 #ifdef CONFIG_ACS
 542 static void hostapd_acs_channel_selected(struct hostapd_data *hapd,
 543                                          struct acs_selected_channels *acs_res)
 544 {
 545         int ret, i;
 546
 547         if (hapd->iconf->channel) {
 548                 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
 549                            hapd->iconf->channel);
 550                 return;
 551         }
 552
 553         if (!hapd->iface->current_mode) {
 554                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 555                         struct hostapd_hw_modes *mode =
 556                                 &hapd->iface->hw_features[i];
 557
 558                         if (mode->mode == acs_res->hw_mode) {
 559                                 hapd->iface->current_mode = mode;
 560                                 break;
 561                         }
 562                 }
 563                 if (!hapd->iface->current_mode) {
 564                         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 565                                        HOSTAPD_LEVEL_WARNING,
 566                                        "driver selected to bad hw_mode");
 567                         return;
 568                 }
 569         }
 570
 571         hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
 572
 573         if (!acs_res->pri_channel) {
 574                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 575                                HOSTAPD_LEVEL_WARNING,
 576                                "driver switched to bad channel");
 577                 return;
 578         }
 579
 580         hapd->iconf->channel = acs_res->pri_channel;
 581         hapd->iconf->acs = 1;
 582
 583         if (acs_res->sec_channel == 0)
 584                 hapd->iconf->secondary_channel = 0;
 585         else if (acs_res->sec_channel < acs_res->pri_channel)
 586                 hapd->iconf->secondary_channel = -1;
 587         else if (acs_res->sec_channel > acs_res->pri_channel)
 588                 hapd->iconf->secondary_channel = 1;
 589         else {
 590                 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
 591                 return;
 592         }
 593
 594         if (hapd->iface->conf->ieee80211ac) {
 595                 /* set defaults for backwards compatibility */
 596                 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
 597                 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
 598                 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
 599                 if (acs_res->ch_width == 80) {
 600                         hapd->iconf->vht_oper_centr_freq_seg0_idx =
 601                                 acs_res->vht_seg0_center_ch;
 602                         hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
 603                 } else if (acs_res->ch_width == 160) {
 604                         if (acs_res->vht_seg1_center_ch == 0) {
 605                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 606                                         acs_res->vht_seg0_center_ch;
 607                                 hapd->iconf->vht_oper_chwidth =
 608                                         VHT_CHANWIDTH_160MHZ;
 609                         } else {
 610                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 611                                         acs_res->vht_seg0_center_ch;
 612                                 hapd->iconf->vht_oper_centr_freq_seg1_idx =
 613                                         acs_res->vht_seg1_center_ch;
 614                                 hapd->iconf->vht_oper_chwidth =
 615                                         VHT_CHANWIDTH_80P80MHZ;
 616                         }
 617                 }
 618         }
 619
 620         ret = hostapd_acs_completed(hapd->iface, 0);
 621         if (ret) {
 622                 wpa_printf(MSG_ERROR,
 623                            "ACS: Possibly channel configuration is invalid");
 624         }
 625 }
 626 #endif /* CONFIG_ACS */
 627
 628
 629 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 630                          const u8 *bssid, const u8 *ie, size_t ie_len,
 631                          int ssi_signal)
 632 {
 633         size_t i;
 634         int ret = 0;
 635
 636         if (sa == NULL || ie == NULL)
 637                 return -1;
 638
 639         random_add_randomness(sa, ETH_ALEN);
 640         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 641                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 642                                             sa, da, bssid, ie, ie_len,
 643                                             ssi_signal) > 0) {
 644                         ret = 1;
 645                         break;
 646                 }
 647         }
 648         return ret;
 649 }
 650
 651
 652 #ifdef HOSTAPD
 653
 654 #ifdef CONFIG_IEEE80211R
 655 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
 656                                           const u8 *bssid,
 657                                           u16 auth_transaction, u16 status,
 658                                           const u8 *ies, size_t ies_len)
 659 {
 660         struct hostapd_data *hapd = ctx;
 661         struct sta_info *sta;
 662
 663         sta = ap_get_sta(hapd, dst);
 664         if (sta == NULL)
 665                 return;
 666
 667         hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
 668                        HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
 669         sta->flags |= WLAN_STA_AUTH;
 670
 671         hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
 672 }
 673 #endif /* CONFIG_IEEE80211R */
 674
 675
 676 static void hostapd_notif_auth(struct hostapd_data *hapd,
 677                                struct auth_info *rx_auth)
 678 {
 679         struct sta_info *sta;
 680         u16 status = WLAN_STATUS_SUCCESS;
 681         u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
 682         size_t resp_ies_len = 0;
 683
 684         sta = ap_get_sta(hapd, rx_auth->peer);
 685         if (!sta) {
 686                 sta = ap_sta_add(hapd, rx_auth->peer);
 687                 if (sta == NULL) {
 688                         status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
 689                         goto fail;
 690                 }
 691         }
 692         sta->flags &= ~WLAN_STA_PREAUTH;
 693         ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
 694 #ifdef CONFIG_IEEE80211R
 695         if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
 696                 sta->auth_alg = WLAN_AUTH_FT;
 697                 if (sta->wpa_sm == NULL)
 698                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 699                                                         sta->addr, NULL);
 700                 if (sta->wpa_sm == NULL) {
 701                         wpa_printf(MSG_DEBUG,
 702                                    "FT: Failed to initialize WPA state machine");
 703                         status = WLAN_STATUS_UNSPECIFIED_FAILURE;
 704                         goto fail;
 705                 }
 706                 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
 707                                     rx_auth->auth_transaction, rx_auth->ies,
 708                                     rx_auth->ies_len,
 709                                     hostapd_notify_auth_ft_finish, hapd);
 710                 return;
 711         }
 712 #endif /* CONFIG_IEEE80211R */
 713 fail:
 714         hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
 715                          status, resp_ies, resp_ies_len);
 716 }
 717
 718
 719 static void hostapd_action_rx(struct hostapd_data *hapd,
 720                               struct rx_mgmt *drv_mgmt)
 721 {
 722         struct ieee80211_mgmt *mgmt;
 723         struct sta_info *sta;
 724         size_t plen __maybe_unused;
 725         u16 fc;
 726
 727         if (drv_mgmt->frame_len < 24 + 1)
 728                 return;
 729
 730         plen = drv_mgmt->frame_len - 24 - 1;
 731
 732         mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
 733         fc = le_to_host16(mgmt->frame_control);
 734         if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
 735                 return; /* handled by the driver */
 736
 737         wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
 738                    mgmt->u.action.category, (int) plen);
 739
 740         sta = ap_get_sta(hapd, mgmt->sa);
 741         if (sta == NULL) {
 742                 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
 743                 return;
 744         }
 745 #ifdef CONFIG_IEEE80211R
 746         if (mgmt->u.action.category == WLAN_ACTION_FT) {
 747                 const u8 *payload = drv_mgmt->frame + 24 + 1;
 748
 749                 wpa_ft_action_rx(sta->wpa_sm, payload, plen);
 750         }
 751 #endif /* CONFIG_IEEE80211R */
 752 #ifdef CONFIG_IEEE80211W
 753         if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
 754                 ieee802_11_sa_query_action(
 755                         hapd, mgmt->sa,
 756                         mgmt->u.action.u.sa_query_resp.action,
 757                         mgmt->u.action.u.sa_query_resp.trans_id);
 758         }
 759 #endif /* CONFIG_IEEE80211W */
 760 #ifdef CONFIG_WNM
 761         if (mgmt->u.action.category == WLAN_ACTION_WNM) {
 762                 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
 763         }
 764 #endif /* CONFIG_WNM */
 765 #ifdef CONFIG_FST
 766         if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
 767                 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
 768                 return;
 769         }
 770 #endif /* CONFIG_FST */
 771
 772 }
 773
 774
 775 #ifdef NEED_AP_MLME
 776
 777 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
 778
 779 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
 780                                             const u8 *bssid)
 781 {
 782         size_t i;
 783
 784         if (bssid == NULL)
 785                 return NULL;
 786         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
 787             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
 788                 return HAPD_BROADCAST;
 789
 790         for (i = 0; i < iface->num_bss; i++) {
 791                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
 792                         return iface->bss[i];
 793         }
 794
 795         return NULL;
 796 }
 797
 798
 799 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
 800                                         const u8 *bssid, const u8 *addr,
 801                                         int wds)
 802 {
 803         hapd = get_hapd_bssid(hapd->iface, bssid);
 804         if (hapd == NULL || hapd == HAPD_BROADCAST)
 805                 return;
 806
 807         ieee802_11_rx_from_unknown(hapd, addr, wds);
 808 }
 809
 810
 811 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 812 {
 813         struct hostapd_iface *iface = hapd->iface;
 814         const struct ieee80211_hdr *hdr;
 815         const u8 *bssid;
 816         struct hostapd_frame_info fi;
 817         int ret;
 818
 819 #ifdef CONFIG_TESTING_OPTIONS
 820         if (hapd->ext_mgmt_frame_handling) {
 821                 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
 822                 char *hex = os_malloc(hex_len);
 823
 824                 if (hex) {
 825                         wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
 826                                          rx_mgmt->frame_len);
 827                         wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
 828                         os_free(hex);
 829                 }
 830                 return 1;
 831         }
 832 #endif /* CONFIG_TESTING_OPTIONS */
 833
 834         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
 835         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
 836         if (bssid == NULL)
 837                 return 0;
 838
 839         hapd = get_hapd_bssid(iface, bssid);
 840         if (hapd == NULL) {
 841                 u16 fc = le_to_host16(hdr->frame_control);
 842
 843                 /*
 844                  * Drop frames to unknown BSSIDs except for Beacon frames which
 845                  * could be used to update neighbor information.
 846                  */
 847                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 848                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 849                         hapd = iface->bss[0];
 850                 else
 851                         return 0;
 852         }
 853
 854         os_memset(&fi, 0, sizeof(fi));
 855         fi.datarate = rx_mgmt->datarate;
 856         fi.ssi_signal = rx_mgmt->ssi_signal;
 857
 858         if (hapd == HAPD_BROADCAST) {
 859                 size_t i;
 860
 861                 ret = 0;
 862                 for (i = 0; i < iface->num_bss; i++) {
 863                         /* if bss is set, driver will call this function for
 864                          * each bss individually. */
 865                         if (rx_mgmt->drv_priv &&
 866                             (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
 867                                 continue;
 868
 869                         if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
 870                                             rx_mgmt->frame_len, &fi) > 0)
 871                                 ret = 1;
 872                 }
 873         } else
 874                 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
 875                                       &fi);
 876
 877         random_add_randomness(&fi, sizeof(fi));
 878
 879         return ret;
 880 }
 881
 882
 883 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 884                                size_t len, u16 stype, int ok)
 885 {
 886         struct ieee80211_hdr *hdr;
 887
 888         hdr = (struct ieee80211_hdr *) buf;
 889         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 890         if (hapd == NULL || hapd == HAPD_BROADCAST)
 891                 return;
 892         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 893 }
 894
 895 #endif /* NEED_AP_MLME */
 896
 897
 898 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 899 {
 900         struct sta_info *sta = ap_get_sta(hapd, addr);
 901
 902         if (sta)
 903                 return 0;
 904
 905         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
 906                    " - adding a new STA", MAC2STR(addr));
 907         sta = ap_sta_add(hapd, addr);
 908         if (sta) {
 909                 hostapd_new_assoc_sta(hapd, sta, 0);
 910         } else {
 911                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
 912                            MAC2STR(addr));
 913                 return -1;
 914         }
 915
 916         return 0;
 917 }
 918
 919
 920 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 921                                    const u8 *data, size_t data_len)
 922 {
 923         struct hostapd_iface *iface = hapd->iface;
 924         struct sta_info *sta;
 925         size_t j;
 926
 927         for (j = 0; j < iface->num_bss; j++) {
 928                 sta = ap_get_sta(iface->bss[j], src);
 929                 if (sta && sta->flags & WLAN_STA_ASSOC) {
 930                         hapd = iface->bss[j];
 931                         break;
 932                 }
 933         }
 934
 935         ieee802_1x_receive(hapd, src, data, data_len);
 936 }
 937
 938
 939 static struct hostapd_channel_data * hostapd_get_mode_channel(
 940         struct hostapd_iface *iface, unsigned int freq)
 941 {
 942         int i;
 943         struct hostapd_channel_data *chan;
 944
 945         for (i = 0; i < iface->current_mode->num_channels; i++) {
 946                 chan = &iface->current_mode->channels[i];
 947                 if (!chan)
 948                         return NULL;
 949                 if ((unsigned int) chan->freq == freq)
 950                         return chan;
 951         }
 952
 953         return NULL;
 954 }
 955
 956
 957 static void hostapd_update_nf(struct hostapd_iface *iface,
 958                               struct hostapd_channel_data *chan,
 959                               struct freq_survey *survey)
 960 {
 961         if (!iface->chans_surveyed) {
 962                 chan->min_nf = survey->nf;
 963                 iface->lowest_nf = survey->nf;
 964         } else {
 965                 if (dl_list_empty(&chan->survey_list))
 966                         chan->min_nf = survey->nf;
 967                 else if (survey->nf < chan->min_nf)
 968                         chan->min_nf = survey->nf;
 969                 if (survey->nf < iface->lowest_nf)
 970                         iface->lowest_nf = survey->nf;
 971         }
 972 }
 973
 974
 975 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
 976                                               struct survey_results *survey_res)
 977 {
 978         struct hostapd_channel_data *chan;
 979         struct freq_survey *survey;
 980         u64 divisor, dividend;
 981
 982         survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
 983                                list);
 984         if (!survey || !survey->freq)
 985                 return;
 986
 987         chan = hostapd_get_mode_channel(iface, survey->freq);
 988         if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
 989                 return;
 990
 991         wpa_printf(MSG_DEBUG,
 992                    "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
 993                    survey->freq,
 994                    (unsigned long int) survey->channel_time,
 995                    (unsigned long int) survey->channel_time_busy);
 996
 997         if (survey->channel_time > iface->last_channel_time &&
 998             survey->channel_time > survey->channel_time_busy) {
 999                 dividend = survey->channel_time_busy -
1000                         iface->last_channel_time_busy;
1001                 divisor = survey->channel_time - iface->last_channel_time;
1002
1003                 iface->channel_utilization = dividend * 255 / divisor;
1004                 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1005                            iface->channel_utilization);
1006         }
1007         iface->last_channel_time = survey->channel_time;
1008         iface->last_channel_time_busy = survey->channel_time_busy;
1009 }
1010
1011
1012 static void hostapd_event_get_survey(struct hostapd_data *hapd,
1013                                      struct survey_results *survey_results)
1014 {
1015         struct hostapd_iface *iface = hapd->iface;
1016         struct freq_survey *survey, *tmp;
1017         struct hostapd_channel_data *chan;
1018
1019         if (dl_list_empty(&survey_results->survey_list)) {
1020                 wpa_printf(MSG_DEBUG, "No survey data received");
1021                 return;
1022         }
1023
1024         if (survey_results->freq_filter) {
1025                 hostapd_single_channel_get_survey(iface, survey_results);
1026                 return;
1027         }
1028
1029         dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1030                               struct freq_survey, list) {
1031                 chan = hostapd_get_mode_channel(iface, survey->freq);
1032                 if (!chan)
1033                         continue;
1034                 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1035                         continue;
1036
1037                 dl_list_del(&survey->list);
1038                 dl_list_add_tail(&chan->survey_list, &survey->list);
1039
1040                 hostapd_update_nf(iface, chan, survey);
1041
1042                 iface->chans_surveyed++;
1043         }
1044 }
1045
1046
1047 #ifdef NEED_AP_MLME
1048
1049 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1050 {
1051         wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1052                    hapd->conf->iface);
1053
1054         if (hapd->csa_in_progress) {
1055                 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1056                            hapd->conf->iface);
1057                 hostapd_switch_channel_fallback(hapd->iface,
1058                                                 &hapd->cs_freq_params);
1059         }
1060 }
1061
1062
1063 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1064                                              struct dfs_event *radar)
1065 {
1066         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1067         hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1068                                    radar->chan_offset, radar->chan_width,
1069                                    radar->cf1, radar->cf2);
1070 }
1071
1072
1073 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1074                                            struct dfs_event *radar)
1075 {
1076         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1077         hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1078                                  radar->chan_offset, radar->chan_width,
1079                                  radar->cf1, radar->cf2);
1080 }
1081
1082
1083 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1084                                           struct dfs_event *radar)
1085 {
1086         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1087         hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1088                                  radar->chan_offset, radar->chan_width,
1089                                  radar->cf1, radar->cf2);
1090 }
1091
1092
1093 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1094                                            struct dfs_event *radar)
1095 {
1096         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1097         hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1098                                  radar->chan_offset, radar->chan_width,
1099                                  radar->cf1, radar->cf2);
1100 }
1101
1102
1103 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1104                                           struct dfs_event *radar)
1105 {
1106         wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1107         hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1108                               radar->chan_offset, radar->chan_width,
1109                               radar->cf1, radar->cf2);
1110 }
1111
1112 #endif /* NEED_AP_MLME */
1113
1114
1115 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1116                           union wpa_event_data *data)
1117 {
1118         struct hostapd_data *hapd = ctx;
1119 #ifndef CONFIG_NO_STDOUT_DEBUG
1120         int level = MSG_DEBUG;
1121
1122         if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1123             data->rx_mgmt.frame_len >= 24) {
1124                 const struct ieee80211_hdr *hdr;
1125                 u16 fc;
1126
1127                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1128                 fc = le_to_host16(hdr->frame_control);
1129                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1130                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1131                         level = MSG_EXCESSIVE;
1132                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1133                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1134                         level = MSG_EXCESSIVE;
1135         }
1136
1137         wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1138                 event_to_string(event), event);
1139 #endif /* CONFIG_NO_STDOUT_DEBUG */
1140
1141         switch (event) {
1142         case EVENT_MICHAEL_MIC_FAILURE:
1143                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1144                 break;
1145         case EVENT_SCAN_RESULTS:
1146                 if (hapd->iface->scan_cb)
1147                         hapd->iface->scan_cb(hapd->iface);
1148                 break;
1149         case EVENT_WPS_BUTTON_PUSHED:
1150                 hostapd_wps_button_pushed(hapd, NULL);
1151                 break;
1152 #ifdef NEED_AP_MLME
1153         case EVENT_TX_STATUS:
1154                 switch (data->tx_status.type) {
1155                 case WLAN_FC_TYPE_MGMT:
1156                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1157                                            data->tx_status.data_len,
1158                                            data->tx_status.stype,
1159                                            data->tx_status.ack);
1160                         break;
1161                 case WLAN_FC_TYPE_DATA:
1162                         hostapd_tx_status(hapd, data->tx_status.dst,
1163                                           data->tx_status.data,
1164                                           data->tx_status.data_len,
1165                                           data->tx_status.ack);
1166                         break;
1167                 }
1168                 break;
1169         case EVENT_EAPOL_TX_STATUS:
1170                 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1171                                         data->eapol_tx_status.data,
1172                                         data->eapol_tx_status.data_len,
1173                                         data->eapol_tx_status.ack);
1174                 break;
1175         case EVENT_DRIVER_CLIENT_POLL_OK:
1176                 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1177                 break;
1178         case EVENT_RX_FROM_UNKNOWN:
1179                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1180                                             data->rx_from_unknown.addr,
1181                                             data->rx_from_unknown.wds);
1182                 break;
1183 #endif /* NEED_AP_MLME */
1184         case EVENT_RX_MGMT:
1185                 if (!data->rx_mgmt.frame)
1186                         break;
1187 #ifdef NEED_AP_MLME
1188                 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1189                         break;
1190 #endif /* NEED_AP_MLME */
1191                 hostapd_action_rx(hapd, &data->rx_mgmt);
1192                 break;
1193         case EVENT_RX_PROBE_REQ:
1194                 if (data->rx_probe_req.sa == NULL ||
1195                     data->rx_probe_req.ie == NULL)
1196                         break;
1197                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1198                                      data->rx_probe_req.da,
1199                                      data->rx_probe_req.bssid,
1200                                      data->rx_probe_req.ie,
1201                                      data->rx_probe_req.ie_len,
1202                                      data->rx_probe_req.ssi_signal);
1203                 break;
1204         case EVENT_NEW_STA:
1205                 hostapd_event_new_sta(hapd, data->new_sta.addr);
1206                 break;
1207         case EVENT_EAPOL_RX:
1208                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1209                                        data->eapol_rx.data,
1210                                        data->eapol_rx.data_len);
1211                 break;
1212         case EVENT_ASSOC:
1213                 if (!data)
1214                         return;
1215                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1216                                     data->assoc_info.req_ies,
1217                                     data->assoc_info.req_ies_len,
1218                                     data->assoc_info.reassoc);
1219                 break;
1220         case EVENT_DISASSOC:
1221                 if (data)
1222                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1223                 break;
1224         case EVENT_DEAUTH:
1225                 if (data)
1226                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1227                 break;
1228         case EVENT_STATION_LOW_ACK:
1229                 if (!data)
1230                         break;
1231                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1232                 break;
1233         case EVENT_AUTH:
1234                 hostapd_notif_auth(hapd, &data->auth);
1235                 break;
1236         case EVENT_CH_SWITCH:
1237                 if (!data)
1238                         break;
1239                 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1240                                         data->ch_switch.ht_enabled,
1241                                         data->ch_switch.ch_offset,
1242                                         data->ch_switch.ch_width,
1243                                         data->ch_switch.cf1,
1244                                         data->ch_switch.cf2);
1245                 break;
1246         case EVENT_CONNECT_FAILED_REASON:
1247                 if (!data)
1248                         break;
1249                 hostapd_event_connect_failed_reason(
1250                         hapd, data->connect_failed_reason.addr,
1251                         data->connect_failed_reason.code);
1252                 break;
1253         case EVENT_SURVEY:
1254                 hostapd_event_get_survey(hapd, &data->survey_results);
1255                 break;
1256 #ifdef NEED_AP_MLME
1257         case EVENT_INTERFACE_UNAVAILABLE:
1258                 hostapd_event_iface_unavailable(hapd);
1259                 break;
1260         case EVENT_DFS_RADAR_DETECTED:
1261                 if (!data)
1262                         break;
1263                 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1264                 break;
1265         case EVENT_DFS_CAC_FINISHED:
1266                 if (!data)
1267                         break;
1268                 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1269                 break;
1270         case EVENT_DFS_CAC_ABORTED:
1271                 if (!data)
1272                         break;
1273                 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1274                 break;
1275         case EVENT_DFS_NOP_FINISHED:
1276                 if (!data)
1277                         break;
1278                 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1279                 break;
1280         case EVENT_CHANNEL_LIST_CHANGED:
1281                 /* channel list changed (regulatory?), update channel list */
1282                 /* TODO: check this. hostapd_get_hw_features() initializes
1283                  * too much stuff. */
1284                 /* hostapd_get_hw_features(hapd->iface); */
1285                 hostapd_channel_list_updated(
1286                         hapd->iface, data->channel_list_changed.initiator);
1287                 break;
1288         case EVENT_DFS_CAC_STARTED:
1289                 if (!data)
1290                         break;
1291                 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1292                 break;
1293 #endif /* NEED_AP_MLME */
1294         case EVENT_INTERFACE_ENABLED:
1295                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1296                 if (hapd->disabled && hapd->started) {
1297                         hapd->disabled = 0;
1298                         /*
1299                          * Try to re-enable interface if the driver stopped it
1300                          * when the interface got disabled.
1301                          */
1302                         wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1303                         hapd->reenable_beacon = 1;
1304                         ieee802_11_set_beacon(hapd);
1305                 }
1306                 break;
1307         case EVENT_INTERFACE_DISABLED:
1308                 hostapd_free_stas(hapd);
1309                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1310                 hapd->disabled = 1;
1311                 break;
1312 #ifdef CONFIG_ACS
1313         case EVENT_ACS_CHANNEL_SELECTED:
1314                 hostapd_acs_channel_selected(hapd,
1315                                              &data->acs_selected_channels);
1316                 break;
1317 #endif /* CONFIG_ACS */
1318         default:
1319                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1320                 break;
1321         }
1322 }
1323
1324 #endif /* HOSTAPD */