contrib/wpa/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 "ieee802_11_auth.h"
  26 #include "sta_info.h"
  27 #include "accounting.h"
  28 #include "tkip_countermeasures.h"
  29 #include "ieee802_1x.h"
  30 #include "wpa_auth.h"
  31 #include "wps_hostapd.h"
  32 #include "ap_drv_ops.h"
  33 #include "ap_config.h"
  34 #include "ap_mlme.h"
  35 #include "hw_features.h"
  36 #include "dfs.h"
  37 #include "beacon.h"
  38 #include "mbo_ap.h"
  39 #include "dpp_hostapd.h"
  40 #include "fils_hlp.h"
  41
  42
  43 #ifdef CONFIG_FILS
  44 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
  45                                       struct sta_info *sta)
  46 {
  47         u16 reply_res = WLAN_STATUS_SUCCESS;
  48         struct ieee802_11_elems elems;
  49         u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
  50         int new_assoc;
  51
  52         wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
  53                    __func__, MAC2STR(sta->addr));
  54         eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
  55         if (!sta->fils_pending_assoc_req)
  56                 return;
  57
  58         ieee802_11_parse_elems(sta->fils_pending_assoc_req,
  59                                sta->fils_pending_assoc_req_len, &elems, 0);
  60         if (!elems.fils_session) {
  61                 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
  62                            __func__);
  63                 return;
  64         }
  65
  66         p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
  67                                            elems.fils_session,
  68                                            sta->fils_hlp_resp);
  69
  70         reply_res = hostapd_sta_assoc(hapd, sta->addr,
  71                                       sta->fils_pending_assoc_is_reassoc,
  72                                       WLAN_STATUS_SUCCESS,
  73                                       buf, p - buf);
  74         ap_sta_set_authorized(hapd, sta, 1);
  75         new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
  76         sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
  77         sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
  78         hostapd_set_sta_flags(hapd, sta);
  79         wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
  80         ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
  81         hostapd_new_assoc_sta(hapd, sta, !new_assoc);
  82         os_free(sta->fils_pending_assoc_req);
  83         sta->fils_pending_assoc_req = NULL;
  84         sta->fils_pending_assoc_req_len = 0;
  85         wpabuf_free(sta->fils_hlp_resp);
  86         sta->fils_hlp_resp = NULL;
  87         wpabuf_free(sta->hlp_dhcp_discover);
  88         sta->hlp_dhcp_discover = NULL;
  89         fils_hlp_deinit(hapd);
  90
  91         /*
  92          * Remove the station in case transmission of a success response fails
  93          * (the STA was added associated to the driver) or if the station was
  94          * previously added unassociated.
  95          */
  96         if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
  97                 hostapd_drv_sta_remove(hapd, sta->addr);
  98                 sta->added_unassoc = 0;
  99         }
 100 }
 101 #endif /* CONFIG_FILS */
 102
 103
 104 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 105                         const u8 *req_ies, size_t req_ies_len, int reassoc)
 106 {
 107         struct sta_info *sta;
 108         int new_assoc, res;
 109         struct ieee802_11_elems elems;
 110         const u8 *ie;
 111         size_t ielen;
 112 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
 113         u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
 114         u8 *p = buf;
 115 #endif /* CONFIG_IEEE80211R_AP || CONFIG_IEEE80211W || CONFIG_FILS || CONFIG_OWE */
 116         u16 reason = WLAN_REASON_UNSPECIFIED;
 117         u16 status = WLAN_STATUS_SUCCESS;
 118         const u8 *p2p_dev_addr = NULL;
 119
 120         if (addr == NULL) {
 121                 /*
 122                  * This could potentially happen with unexpected event from the
 123                  * driver wrapper. This was seen at least in one case where the
 124                  * driver ended up being set to station mode while hostapd was
 125                  * running, so better make sure we stop processing such an
 126                  * event here.
 127                  */
 128                 wpa_printf(MSG_DEBUG,
 129                            "hostapd_notif_assoc: Skip event with no address");
 130                 return -1;
 131         }
 132         random_add_randomness(addr, ETH_ALEN);
 133
 134         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 135                        HOSTAPD_LEVEL_INFO, "associated");
 136
 137         ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
 138         if (elems.wps_ie) {
 139                 ie = elems.wps_ie - 2;
 140                 ielen = elems.wps_ie_len + 2;
 141                 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
 142         } else if (elems.rsn_ie) {
 143                 ie = elems.rsn_ie - 2;
 144                 ielen = elems.rsn_ie_len + 2;
 145                 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
 146         } else if (elems.wpa_ie) {
 147                 ie = elems.wpa_ie - 2;
 148                 ielen = elems.wpa_ie_len + 2;
 149                 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
 150 #ifdef CONFIG_HS20
 151         } else if (elems.osen) {
 152                 ie = elems.osen - 2;
 153                 ielen = elems.osen_len + 2;
 154                 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
 155 #endif /* CONFIG_HS20 */
 156         } else {
 157                 ie = NULL;
 158                 ielen = 0;
 159                 wpa_printf(MSG_DEBUG,
 160                            "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
 161         }
 162
 163         sta = ap_get_sta(hapd, addr);
 164         if (sta) {
 165                 ap_sta_no_session_timeout(hapd, sta);
 166                 accounting_sta_stop(hapd, sta);
 167
 168                 /*
 169                  * Make sure that the previously registered inactivity timer
 170                  * will not remove the STA immediately.
 171                  */
 172                 sta->timeout_next = STA_NULLFUNC;
 173         } else {
 174                 sta = ap_sta_add(hapd, addr);
 175                 if (sta == NULL) {
 176                         hostapd_drv_sta_disassoc(hapd, addr,
 177                                                  WLAN_REASON_DISASSOC_AP_BUSY);
 178                         return -1;
 179                 }
 180         }
 181         sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
 182
 183         /*
 184          * ACL configurations to the drivers (implementing AP SME and ACL
 185          * offload) without hostapd's knowledge, can result in a disconnection
 186          * though the driver accepts the connection. Skip the hostapd check for
 187          * ACL if the driver supports ACL offload to avoid potentially
 188          * conflicting ACL rules.
 189          */
 190         if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
 191             hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
 192                 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
 193                            MAC2STR(addr));
 194                 reason = WLAN_REASON_UNSPECIFIED;
 195                 goto fail;
 196         }
 197
 198 #ifdef CONFIG_P2P
 199         if (elems.p2p) {
 200                 wpabuf_free(sta->p2p_ie);
 201                 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 202                                                           P2P_IE_VENDOR_TYPE);
 203                 if (sta->p2p_ie)
 204                         p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
 205         }
 206 #endif /* CONFIG_P2P */
 207
 208 #ifdef CONFIG_IEEE80211N
 209 #ifdef NEED_AP_MLME
 210         if (elems.ht_capabilities &&
 211             (hapd->iface->conf->ht_capab &
 212              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
 213                 struct ieee80211_ht_capabilities *ht_cap =
 214                         (struct ieee80211_ht_capabilities *)
 215                         elems.ht_capabilities;
 216
 217                 if (le_to_host16(ht_cap->ht_capabilities_info) &
 218                     HT_CAP_INFO_40MHZ_INTOLERANT)
 219                         ht40_intolerant_add(hapd->iface, sta);
 220         }
 221 #endif /* NEED_AP_MLME */
 222 #endif /* CONFIG_IEEE80211N */
 223
 224 #ifdef CONFIG_INTERWORKING
 225         if (elems.ext_capab && elems.ext_capab_len > 4) {
 226                 if (elems.ext_capab[4] & 0x01)
 227                         sta->qos_map_enabled = 1;
 228         }
 229 #endif /* CONFIG_INTERWORKING */
 230
 231 #ifdef CONFIG_HS20
 232         wpabuf_free(sta->hs20_ie);
 233         if (elems.hs20 && elems.hs20_len > 4) {
 234                 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
 235                                                  elems.hs20_len - 4);
 236         } else
 237                 sta->hs20_ie = NULL;
 238
 239         wpabuf_free(sta->roaming_consortium);
 240         if (elems.roaming_cons_sel)
 241                 sta->roaming_consortium = wpabuf_alloc_copy(
 242                         elems.roaming_cons_sel + 4,
 243                         elems.roaming_cons_sel_len - 4);
 244         else
 245                 sta->roaming_consortium = NULL;
 246 #endif /* CONFIG_HS20 */
 247
 248 #ifdef CONFIG_FST
 249         wpabuf_free(sta->mb_ies);
 250         if (hapd->iface->fst)
 251                 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
 252         else
 253                 sta->mb_ies = NULL;
 254 #endif /* CONFIG_FST */
 255
 256         mbo_ap_check_sta_assoc(hapd, sta, &elems);
 257
 258         ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
 259                                     elems.supp_op_classes_len);
 260
 261         if (hapd->conf->wpa) {
 262                 if (ie == NULL || ielen == 0) {
 263 #ifdef CONFIG_WPS
 264                         if (hapd->conf->wps_state) {
 265                                 wpa_printf(MSG_DEBUG,
 266                                            "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
 267                                 sta->flags |= WLAN_STA_MAYBE_WPS;
 268                                 goto skip_wpa_check;
 269                         }
 270 #endif /* CONFIG_WPS */
 271
 272                         wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
 273                         reason = WLAN_REASON_INVALID_IE;
 274                         status = WLAN_STATUS_INVALID_IE;
 275                         goto fail;
 276                 }
 277 #ifdef CONFIG_WPS
 278                 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
 279                     os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
 280                         struct wpabuf *wps;
 281
 282                         sta->flags |= WLAN_STA_WPS;
 283                         wps = ieee802_11_vendor_ie_concat(ie, ielen,
 284                                                           WPS_IE_VENDOR_TYPE);
 285                         if (wps) {
 286                                 if (wps_is_20(wps)) {
 287                                         wpa_printf(MSG_DEBUG,
 288                                                    "WPS: STA supports WPS 2.0");
 289                                         sta->flags |= WLAN_STA_WPS2;
 290                                 }
 291                                 wpabuf_free(wps);
 292                         }
 293                         goto skip_wpa_check;
 294                 }
 295 #endif /* CONFIG_WPS */
 296
 297                 if (sta->wpa_sm == NULL)
 298                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 299                                                         sta->addr,
 300                                                         p2p_dev_addr);
 301                 if (sta->wpa_sm == NULL) {
 302                         wpa_printf(MSG_ERROR,
 303                                    "Failed to initialize WPA state machine");
 304                         return -1;
 305                 }
 306                 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
 307                                           ie, ielen,
 308                                           elems.mdie, elems.mdie_len,
 309                                           elems.owe_dh, elems.owe_dh_len);
 310                 if (res != WPA_IE_OK) {
 311                         wpa_printf(MSG_DEBUG,
 312                                    "WPA/RSN information element rejected? (res %u)",
 313                                    res);
 314                         wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 315                         if (res == WPA_INVALID_GROUP) {
 316                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 317                                 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
 318                         } else if (res == WPA_INVALID_PAIRWISE) {
 319                                 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
 320                                 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
 321                         } else if (res == WPA_INVALID_AKMP) {
 322                                 reason = WLAN_REASON_AKMP_NOT_VALID;
 323                                 status = WLAN_STATUS_AKMP_NOT_VALID;
 324                         }
 325 #ifdef CONFIG_IEEE80211W
 326                         else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
 327                                 reason = WLAN_REASON_INVALID_IE;
 328                                 status = WLAN_STATUS_INVALID_IE;
 329                         } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
 330                                 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
 331                                 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
 332                         }
 333 #endif /* CONFIG_IEEE80211W */
 334                         else {
 335                                 reason = WLAN_REASON_INVALID_IE;
 336                                 status = WLAN_STATUS_INVALID_IE;
 337                         }
 338                         goto fail;
 339                 }
 340 #ifdef CONFIG_IEEE80211W
 341                 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
 342                     (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
 343                     !sta->sa_query_timed_out &&
 344                     sta->sa_query_count > 0)
 345                         ap_check_sa_query_timeout(hapd, sta);
 346                 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
 347                     (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
 348                     !sta->sa_query_timed_out &&
 349                     (sta->auth_alg != WLAN_AUTH_FT)) {
 350                         /*
 351                          * STA has already been associated with MFP and SA
 352                          * Query timeout has not been reached. Reject the
 353                          * association attempt temporarily and start SA Query,
 354                          * if one is not pending.
 355                          */
 356
 357                         if (sta->sa_query_count == 0)
 358                                 ap_sta_start_sa_query(hapd, sta);
 359
 360                         status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
 361
 362                         p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
 363
 364                         hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
 365                                           p - buf);
 366                         return 0;
 367                 }
 368
 369                 if (wpa_auth_uses_mfp(sta->wpa_sm))
 370                         sta->flags |= WLAN_STA_MFP;
 371                 else
 372                         sta->flags &= ~WLAN_STA_MFP;
 373 #endif /* CONFIG_IEEE80211W */
 374
 375 #ifdef CONFIG_IEEE80211R_AP
 376                 if (sta->auth_alg == WLAN_AUTH_FT) {
 377                         status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
 378                                                          req_ies_len);
 379                         if (status != WLAN_STATUS_SUCCESS) {
 380                                 if (status == WLAN_STATUS_INVALID_PMKID)
 381                                         reason = WLAN_REASON_INVALID_IE;
 382                                 if (status == WLAN_STATUS_INVALID_MDIE)
 383                                         reason = WLAN_REASON_INVALID_IE;
 384                                 if (status == WLAN_STATUS_INVALID_FTIE)
 385                                         reason = WLAN_REASON_INVALID_IE;
 386                                 goto fail;
 387                         }
 388                 }
 389 #endif /* CONFIG_IEEE80211R_AP */
 390         } else if (hapd->conf->wps_state) {
 391 #ifdef CONFIG_WPS
 392                 struct wpabuf *wps;
 393
 394                 if (req_ies)
 395                         wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 396                                                           WPS_IE_VENDOR_TYPE);
 397                 else
 398                         wps = NULL;
 399 #ifdef CONFIG_WPS_STRICT
 400                 if (wps && wps_validate_assoc_req(wps) < 0) {
 401                         reason = WLAN_REASON_INVALID_IE;
 402                         status = WLAN_STATUS_INVALID_IE;
 403                         wpabuf_free(wps);
 404                         goto fail;
 405                 }
 406 #endif /* CONFIG_WPS_STRICT */
 407                 if (wps) {
 408                         sta->flags |= WLAN_STA_WPS;
 409                         if (wps_is_20(wps)) {
 410                                 wpa_printf(MSG_DEBUG,
 411                                            "WPS: STA supports WPS 2.0");
 412                                 sta->flags |= WLAN_STA_WPS2;
 413                         }
 414                 } else
 415                         sta->flags |= WLAN_STA_MAYBE_WPS;
 416                 wpabuf_free(wps);
 417 #endif /* CONFIG_WPS */
 418 #ifdef CONFIG_HS20
 419         } else if (hapd->conf->osen) {
 420                 if (elems.osen == NULL) {
 421                         hostapd_logger(
 422                                 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 423                                 HOSTAPD_LEVEL_INFO,
 424                                 "No HS 2.0 OSEN element in association request");
 425                         return WLAN_STATUS_INVALID_IE;
 426                 }
 427
 428                 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
 429                 if (sta->wpa_sm == NULL)
 430                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 431                                                         sta->addr, NULL);
 432                 if (sta->wpa_sm == NULL) {
 433                         wpa_printf(MSG_WARNING,
 434                                    "Failed to initialize WPA state machine");
 435                         return WLAN_STATUS_UNSPECIFIED_FAILURE;
 436                 }
 437                 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
 438                                       elems.osen - 2, elems.osen_len + 2) < 0)
 439                         return WLAN_STATUS_INVALID_IE;
 440 #endif /* CONFIG_HS20 */
 441         }
 442
 443 #ifdef CONFIG_MBO
 444         if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
 445             elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
 446             hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
 447                 wpa_printf(MSG_INFO,
 448                            "MBO: Reject WPA2 association without PMF");
 449                 return WLAN_STATUS_UNSPECIFIED_FAILURE;
 450         }
 451 #endif /* CONFIG_MBO */
 452
 453 #ifdef CONFIG_WPS
 454 skip_wpa_check:
 455 #endif /* CONFIG_WPS */
 456
 457 #ifdef CONFIG_IEEE80211R_AP
 458         p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
 459                                         sta->auth_alg, req_ies, req_ies_len);
 460         if (!p) {
 461                 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
 462                 return WLAN_STATUS_UNSPECIFIED_FAILURE;
 463         }
 464 #endif /* CONFIG_IEEE80211R_AP */
 465
 466 #ifdef CONFIG_FILS
 467         if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
 468             sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
 469             sta->auth_alg == WLAN_AUTH_FILS_PK) {
 470                 int delay_assoc = 0;
 471
 472                 if (!req_ies)
 473                         return WLAN_STATUS_UNSPECIFIED_FAILURE;
 474
 475                 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
 476                                                     req_ies_len,
 477                                                     sta->fils_session)) {
 478                         wpa_printf(MSG_DEBUG,
 479                                    "FILS: Session validation failed");
 480                         return WLAN_STATUS_UNSPECIFIED_FAILURE;
 481                 }
 482
 483                 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
 484                                                     req_ies_len);
 485                 if (res < 0) {
 486                         wpa_printf(MSG_DEBUG,
 487                                    "FILS: Key Confirm validation failed");
 488                         return WLAN_STATUS_UNSPECIFIED_FAILURE;
 489                 }
 490
 491                 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
 492                         wpa_printf(MSG_DEBUG,
 493                                    "FILS: Delaying Assoc Response (HLP)");
 494                         delay_assoc = 1;
 495                 } else {
 496                         wpa_printf(MSG_DEBUG,
 497                                    "FILS: Going ahead with Assoc Response (no HLP)");
 498                 }
 499
 500                 if (sta) {
 501                         wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
 502                         eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
 503                         os_free(sta->fils_pending_assoc_req);
 504                         sta->fils_pending_assoc_req = NULL;
 505                         sta->fils_pending_assoc_req_len = 0;
 506                         wpabuf_free(sta->fils_hlp_resp);
 507                         sta->fils_hlp_resp = NULL;
 508                         sta->fils_drv_assoc_finish = 0;
 509                 }
 510
 511                 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
 512                         u8 *req_tmp;
 513
 514                         req_tmp = os_malloc(req_ies_len);
 515                         if (!req_tmp) {
 516                                 wpa_printf(MSG_DEBUG,
 517                                            "FILS: buffer allocation failed for assoc req");
 518                                 goto fail;
 519                         }
 520                         os_memcpy(req_tmp, req_ies, req_ies_len);
 521                         sta->fils_pending_assoc_req = req_tmp;
 522                         sta->fils_pending_assoc_req_len = req_ies_len;
 523                         sta->fils_pending_assoc_is_reassoc = reassoc;
 524                         sta->fils_drv_assoc_finish = 1;
 525                         wpa_printf(MSG_DEBUG,
 526                                    "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
 527                                    MACSTR, MAC2STR(sta->addr));
 528                         eloop_register_timeout(
 529                                 0, hapd->conf->fils_hlp_wait_time * 1024,
 530                                 fils_hlp_timeout, hapd, sta);
 531                         return 0;
 532                 }
 533                 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
 534                                                    elems.fils_session,
 535                                                    sta->fils_hlp_resp);
 536                 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
 537                             buf, p - buf);
 538         }
 539 #endif /* CONFIG_FILS */
 540
 541 #ifdef CONFIG_OWE
 542         if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
 543             wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
 544             elems.owe_dh) {
 545                 u8 *npos;
 546
 547                 npos = owe_assoc_req_process(hapd, sta,
 548                                              elems.owe_dh, elems.owe_dh_len,
 549                                              p, sizeof(buf) - (p - buf),
 550                                              &reason);
 551                 if (npos)
 552                         p = npos;
 553                 if (!npos &&
 554                     reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
 555                         status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
 556                         hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
 557                                           p - buf);
 558                         return 0;
 559                 }
 560
 561                 if (!npos || reason != WLAN_STATUS_SUCCESS)
 562                         goto fail;
 563         }
 564 #endif /* CONFIG_OWE */
 565
 566 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
 567         hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
 568
 569         if (sta->auth_alg == WLAN_AUTH_FT ||
 570             sta->auth_alg == WLAN_AUTH_FILS_SK ||
 571             sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
 572             sta->auth_alg == WLAN_AUTH_FILS_PK)
 573                 ap_sta_set_authorized(hapd, sta, 1);
 574 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
 575         /* Keep compiler silent about unused variables */
 576         if (status) {
 577         }
 578 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
 579
 580         new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
 581         sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
 582         sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
 583
 584         hostapd_set_sta_flags(hapd, sta);
 585
 586         if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
 587                 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
 588 #ifdef CONFIG_FILS
 589         else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
 590                  sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
 591                  sta->auth_alg == WLAN_AUTH_FILS_PK)
 592                 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
 593 #endif /* CONFIG_FILS */
 594         else
 595                 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
 596
 597         hostapd_new_assoc_sta(hapd, sta, !new_assoc);
 598
 599         ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
 600
 601 #ifdef CONFIG_P2P
 602         if (req_ies) {
 603                 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
 604                                       req_ies, req_ies_len);
 605         }
 606 #endif /* CONFIG_P2P */
 607
 608         return 0;
 609
 610 fail:
 611 #ifdef CONFIG_IEEE80211R_AP
 612         hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
 613 #endif /* CONFIG_IEEE80211R_AP */
 614         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 615         ap_free_sta(hapd, sta);
 616         return -1;
 617 }
 618
 619
 620 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 621 {
 622         struct sta_info *sta;
 623
 624         if (addr == NULL) {
 625                 /*
 626                  * This could potentially happen with unexpected event from the
 627                  * driver wrapper. This was seen at least in one case where the
 628                  * driver ended up reporting a station mode event while hostapd
 629                  * was running, so better make sure we stop processing such an
 630                  * event here.
 631                  */
 632                 wpa_printf(MSG_DEBUG,
 633                            "hostapd_notif_disassoc: Skip event with no address");
 634                 return;
 635         }
 636
 637         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 638                        HOSTAPD_LEVEL_INFO, "disassociated");
 639
 640         sta = ap_get_sta(hapd, addr);
 641         if (sta == NULL) {
 642                 wpa_printf(MSG_DEBUG,
 643                            "Disassociation notification for unknown STA "
 644                            MACSTR, MAC2STR(addr));
 645                 return;
 646         }
 647
 648         ap_sta_set_authorized(hapd, sta, 0);
 649         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 650         wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
 651         sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
 652         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 653         ap_free_sta(hapd, sta);
 654 }
 655
 656
 657 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 658 {
 659         struct sta_info *sta = ap_get_sta(hapd, addr);
 660
 661         if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
 662                 return;
 663
 664         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 665                        HOSTAPD_LEVEL_INFO,
 666                        "disconnected due to excessive missing ACKs");
 667         hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 668         ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
 669 }
 670
 671
 672 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
 673                                       enum smps_mode smps_mode,
 674                                       enum chan_width chan_width, u8 rx_nss)
 675 {
 676         struct sta_info *sta = ap_get_sta(hapd, addr);
 677         const char *txt;
 678
 679         if (!sta)
 680                 return;
 681
 682         switch (smps_mode) {
 683         case SMPS_AUTOMATIC:
 684                 txt = "automatic";
 685                 break;
 686         case SMPS_OFF:
 687                 txt = "off";
 688                 break;
 689         case SMPS_DYNAMIC:
 690                 txt = "dynamic";
 691                 break;
 692         case SMPS_STATIC:
 693                 txt = "static";
 694                 break;
 695         default:
 696                 txt = NULL;
 697                 break;
 698         }
 699         if (txt) {
 700                 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
 701                         MACSTR " %s", MAC2STR(addr), txt);
 702         }
 703
 704         switch (chan_width) {
 705         case CHAN_WIDTH_20_NOHT:
 706                 txt = "20(no-HT)";
 707                 break;
 708         case CHAN_WIDTH_20:
 709                 txt = "20";
 710                 break;
 711         case CHAN_WIDTH_40:
 712                 txt = "40";
 713                 break;
 714         case CHAN_WIDTH_80:
 715                 txt = "80";
 716                 break;
 717         case CHAN_WIDTH_80P80:
 718                 txt = "80+80";
 719                 break;
 720         case CHAN_WIDTH_160:
 721                 txt = "160";
 722                 break;
 723         default:
 724                 txt = NULL;
 725                 break;
 726         }
 727         if (txt) {
 728                 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
 729                         MACSTR " %s", MAC2STR(addr), txt);
 730         }
 731
 732         if (rx_nss != 0xff) {
 733                 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
 734                         MACSTR " %d", MAC2STR(addr), rx_nss);
 735         }
 736 }
 737
 738
 739 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 740                              int offset, int width, int cf1, int cf2)
 741 {
 742 #ifdef NEED_AP_MLME
 743         int channel, chwidth, is_dfs;
 744         u8 seg0_idx = 0, seg1_idx = 0;
 745
 746         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 747                        HOSTAPD_LEVEL_INFO,
 748                        "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
 749                        freq, ht, hapd->iconf->ch_switch_vht_config, offset,
 750                        width, channel_width_to_string(width), cf1, cf2);
 751
 752         hapd->iface->freq = freq;
 753
 754         channel = hostapd_hw_get_channel(hapd, freq);
 755         if (!channel) {
 756                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 757                                HOSTAPD_LEVEL_WARNING,
 758                                "driver switched to bad channel!");
 759                 return;
 760         }
 761
 762         switch (width) {
 763         case CHAN_WIDTH_80:
 764                 chwidth = VHT_CHANWIDTH_80MHZ;
 765                 break;
 766         case CHAN_WIDTH_80P80:
 767                 chwidth = VHT_CHANWIDTH_80P80MHZ;
 768                 break;
 769         case CHAN_WIDTH_160:
 770                 chwidth = VHT_CHANWIDTH_160MHZ;
 771                 break;
 772         case CHAN_WIDTH_20_NOHT:
 773         case CHAN_WIDTH_20:
 774         case CHAN_WIDTH_40:
 775         default:
 776                 chwidth = VHT_CHANWIDTH_USE_HT;
 777                 break;
 778         }
 779
 780         switch (hapd->iface->current_mode->mode) {
 781         case HOSTAPD_MODE_IEEE80211A:
 782                 if (cf1 > 5000)
 783                         seg0_idx = (cf1 - 5000) / 5;
 784                 if (cf2 > 5000)
 785                         seg1_idx = (cf2 - 5000) / 5;
 786                 break;
 787         default:
 788                 ieee80211_freq_to_chan(cf1, &seg0_idx);
 789                 ieee80211_freq_to_chan(cf2, &seg1_idx);
 790                 break;
 791         }
 792
 793         hapd->iconf->channel = channel;
 794         hapd->iconf->ieee80211n = ht;
 795         if (!ht) {
 796                 hapd->iconf->ieee80211ac = 0;
 797         } else if (hapd->iconf->ch_switch_vht_config) {
 798                 /* CHAN_SWITCH VHT config */
 799                 if (hapd->iconf->ch_switch_vht_config &
 800                     CH_SWITCH_VHT_ENABLED)
 801                         hapd->iconf->ieee80211ac = 1;
 802                 else if (hapd->iconf->ch_switch_vht_config &
 803                          CH_SWITCH_VHT_DISABLED)
 804                         hapd->iconf->ieee80211ac = 0;
 805         }
 806         hapd->iconf->ch_switch_vht_config = 0;
 807
 808         hapd->iconf->secondary_channel = offset;
 809         hapd->iconf->vht_oper_chwidth = chwidth;
 810         hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
 811         hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
 812
 813         is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
 814                                   hapd->iface->num_hw_features);
 815
 816         if (hapd->csa_in_progress &&
 817             freq == hapd->cs_freq_params.freq) {
 818                 hostapd_cleanup_cs_params(hapd);
 819                 ieee802_11_set_beacon(hapd);
 820
 821                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 822                         "freq=%d dfs=%d", freq, is_dfs);
 823         } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
 824                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 825                         "freq=%d dfs=%d", freq, is_dfs);
 826         }
 827 #endif /* NEED_AP_MLME */
 828 }
 829
 830
 831 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
 832                                          const u8 *addr, int reason_code)
 833 {
 834         switch (reason_code) {
 835         case MAX_CLIENT_REACHED:
 836                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
 837                         MAC2STR(addr));
 838                 break;
 839         case BLOCKED_CLIENT:
 840                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
 841                         MAC2STR(addr));
 842                 break;
 843         }
 844 }
 845
 846
 847 #ifdef CONFIG_ACS
 848 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
 849                                   struct acs_selected_channels *acs_res)
 850 {
 851         int ret, i;
 852         int err = 0;
 853
 854         if (hapd->iconf->channel) {
 855                 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
 856                            hapd->iconf->channel);
 857                 return;
 858         }
 859
 860         if (!hapd->iface->current_mode) {
 861                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 862                         struct hostapd_hw_modes *mode =
 863                                 &hapd->iface->hw_features[i];
 864
 865                         if (mode->mode == acs_res->hw_mode) {
 866                                 hapd->iface->current_mode = mode;
 867                                 break;
 868                         }
 869                 }
 870                 if (!hapd->iface->current_mode) {
 871                         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 872                                        HOSTAPD_LEVEL_WARNING,
 873                                        "driver selected to bad hw_mode");
 874                         err = 1;
 875                         goto out;
 876                 }
 877         }
 878
 879         hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
 880
 881         if (!acs_res->pri_channel) {
 882                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 883                                HOSTAPD_LEVEL_WARNING,
 884                                "driver switched to bad channel");
 885                 err = 1;
 886                 goto out;
 887         }
 888
 889         hapd->iconf->channel = acs_res->pri_channel;
 890         hapd->iconf->acs = 1;
 891
 892         if (acs_res->sec_channel == 0)
 893                 hapd->iconf->secondary_channel = 0;
 894         else if (acs_res->sec_channel < acs_res->pri_channel)
 895                 hapd->iconf->secondary_channel = -1;
 896         else if (acs_res->sec_channel > acs_res->pri_channel)
 897                 hapd->iconf->secondary_channel = 1;
 898         else {
 899                 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
 900                 err = 1;
 901                 goto out;
 902         }
 903
 904         if (hapd->iface->conf->ieee80211ac) {
 905                 /* set defaults for backwards compatibility */
 906                 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
 907                 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
 908                 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
 909                 if (acs_res->ch_width == 80) {
 910                         hapd->iconf->vht_oper_centr_freq_seg0_idx =
 911                                 acs_res->vht_seg0_center_ch;
 912                         hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
 913                 } else if (acs_res->ch_width == 160) {
 914                         if (acs_res->vht_seg1_center_ch == 0) {
 915                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 916                                         acs_res->vht_seg0_center_ch;
 917                                 hapd->iconf->vht_oper_chwidth =
 918                                         VHT_CHANWIDTH_160MHZ;
 919                         } else {
 920                                 hapd->iconf->vht_oper_centr_freq_seg0_idx =
 921                                         acs_res->vht_seg0_center_ch;
 922                                 hapd->iconf->vht_oper_centr_freq_seg1_idx =
 923                                         acs_res->vht_seg1_center_ch;
 924                                 hapd->iconf->vht_oper_chwidth =
 925                                         VHT_CHANWIDTH_80P80MHZ;
 926                         }
 927                 }
 928         }
 929
 930 out:
 931         ret = hostapd_acs_completed(hapd->iface, err);
 932         if (ret) {
 933                 wpa_printf(MSG_ERROR,
 934                            "ACS: Possibly channel configuration is invalid");
 935         }
 936 }
 937 #endif /* CONFIG_ACS */
 938
 939
 940 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 941                          const u8 *bssid, const u8 *ie, size_t ie_len,
 942                          int ssi_signal)
 943 {
 944         size_t i;
 945         int ret = 0;
 946
 947         if (sa == NULL || ie == NULL)
 948                 return -1;
 949
 950         random_add_randomness(sa, ETH_ALEN);
 951         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 952                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 953                                             sa, da, bssid, ie, ie_len,
 954                                             ssi_signal) > 0) {
 955                         ret = 1;
 956                         break;
 957                 }
 958         }
 959         return ret;
 960 }
 961
 962
 963 #ifdef HOSTAPD
 964
 965 #ifdef CONFIG_IEEE80211R_AP
 966 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
 967                                           const u8 *bssid,
 968                                           u16 auth_transaction, u16 status,
 969                                           const u8 *ies, size_t ies_len)
 970 {
 971         struct hostapd_data *hapd = ctx;
 972         struct sta_info *sta;
 973
 974         sta = ap_get_sta(hapd, dst);
 975         if (sta == NULL)
 976                 return;
 977
 978         hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
 979                        HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
 980         sta->flags |= WLAN_STA_AUTH;
 981
 982         hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
 983 }
 984 #endif /* CONFIG_IEEE80211R_AP */
 985
 986
 987 #ifdef CONFIG_FILS
 988 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
 989                                             struct sta_info *sta, u16 resp,
 990                                             struct wpabuf *data, int pub)
 991 {
 992         if (resp == WLAN_STATUS_SUCCESS) {
 993                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 994                                HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
 995                 sta->flags |= WLAN_STA_AUTH;
 996                 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
 997                 sta->auth_alg = WLAN_AUTH_FILS_SK;
 998                 mlme_authenticate_indication(hapd, sta);
 999         } else {
1000                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1001                                HOSTAPD_LEVEL_DEBUG,
1002                                "authentication failed (FILS)");
1003         }
1004
1005         hostapd_sta_auth(hapd, sta->addr, 2, resp,
1006                          data ? wpabuf_head(data) : NULL,
1007                          data ? wpabuf_len(data) : 0);
1008         wpabuf_free(data);
1009 }
1010 #endif /* CONFIG_FILS */
1011
1012
1013 static void hostapd_notif_auth(struct hostapd_data *hapd,
1014                                struct auth_info *rx_auth)
1015 {
1016         struct sta_info *sta;
1017         u16 status = WLAN_STATUS_SUCCESS;
1018         u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1019         size_t resp_ies_len = 0;
1020
1021         sta = ap_get_sta(hapd, rx_auth->peer);
1022         if (!sta) {
1023                 sta = ap_sta_add(hapd, rx_auth->peer);
1024                 if (sta == NULL) {
1025                         status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1026                         goto fail;
1027                 }
1028         }
1029         sta->flags &= ~WLAN_STA_PREAUTH;
1030         ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1031 #ifdef CONFIG_IEEE80211R_AP
1032         if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1033                 sta->auth_alg = WLAN_AUTH_FT;
1034                 if (sta->wpa_sm == NULL)
1035                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1036                                                         sta->addr, NULL);
1037                 if (sta->wpa_sm == NULL) {
1038                         wpa_printf(MSG_DEBUG,
1039                                    "FT: Failed to initialize WPA state machine");
1040                         status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1041                         goto fail;
1042                 }
1043                 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1044                                     rx_auth->auth_transaction, rx_auth->ies,
1045                                     rx_auth->ies_len,
1046                                     hostapd_notify_auth_ft_finish, hapd);
1047                 return;
1048         }
1049 #endif /* CONFIG_IEEE80211R_AP */
1050
1051 #ifdef CONFIG_FILS
1052         if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1053                 sta->auth_alg = WLAN_AUTH_FILS_SK;
1054                 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1055                                  rx_auth->auth_type, rx_auth->auth_transaction,
1056                                  rx_auth->status_code,
1057                                  hostapd_notify_auth_fils_finish);
1058                 return;
1059         }
1060 #endif /* CONFIG_FILS */
1061
1062 fail:
1063         hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1064                          status, resp_ies, resp_ies_len);
1065 }
1066
1067
1068 static void hostapd_action_rx(struct hostapd_data *hapd,
1069                               struct rx_mgmt *drv_mgmt)
1070 {
1071         struct ieee80211_mgmt *mgmt;
1072         struct sta_info *sta;
1073         size_t plen __maybe_unused;
1074         u16 fc;
1075         u8 *action __maybe_unused;
1076
1077         if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1078                 return;
1079
1080         plen = drv_mgmt->frame_len - IEEE80211_HDRLEN - 1;
1081
1082         mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1083         fc = le_to_host16(mgmt->frame_control);
1084         if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1085                 return; /* handled by the driver */
1086
1087         action = (u8 *) &mgmt->u.action.u;
1088         wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1089                    " da " MACSTR " plen %d",
1090                    mgmt->u.action.category, *action,
1091                    MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1092
1093         sta = ap_get_sta(hapd, mgmt->sa);
1094         if (sta == NULL) {
1095                 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1096                 return;
1097         }
1098 #ifdef CONFIG_IEEE80211R_AP
1099         if (mgmt->u.action.category == WLAN_ACTION_FT) {
1100                 const u8 *payload = drv_mgmt->frame + 24 + 1;
1101
1102                 wpa_ft_action_rx(sta->wpa_sm, payload, plen);
1103         }
1104 #endif /* CONFIG_IEEE80211R_AP */
1105 #ifdef CONFIG_IEEE80211W
1106         if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
1107                 ieee802_11_sa_query_action(
1108                         hapd, mgmt->sa,
1109                         mgmt->u.action.u.sa_query_resp.action,
1110                         mgmt->u.action.u.sa_query_resp.trans_id);
1111         }
1112 #endif /* CONFIG_IEEE80211W */
1113 #ifdef CONFIG_WNM_AP
1114         if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1115                 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1116         }
1117 #endif /* CONFIG_WNM_AP */
1118 #ifdef CONFIG_FST
1119         if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1120                 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1121                 return;
1122         }
1123 #endif /* CONFIG_FST */
1124 #ifdef CONFIG_DPP
1125         if (plen >= 1 + 4 &&
1126             mgmt->u.action.u.vs_public_action.action ==
1127             WLAN_PA_VENDOR_SPECIFIC &&
1128             WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1129             OUI_WFA &&
1130             mgmt->u.action.u.vs_public_action.variable[0] ==
1131             DPP_OUI_TYPE) {
1132                 const u8 *pos, *end;
1133
1134                 pos = mgmt->u.action.u.vs_public_action.oui;
1135                 end = drv_mgmt->frame + drv_mgmt->frame_len;
1136                 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1137                                       drv_mgmt->freq);
1138                 return;
1139         }
1140 #endif /* CONFIG_DPP */
1141 }
1142
1143
1144 #ifdef NEED_AP_MLME
1145
1146 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1147
1148 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1149                                             const u8 *bssid)
1150 {
1151         size_t i;
1152
1153         if (bssid == NULL)
1154                 return NULL;
1155         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1156             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1157                 return HAPD_BROADCAST;
1158
1159         for (i = 0; i < iface->num_bss; i++) {
1160                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1161                         return iface->bss[i];
1162         }
1163
1164         return NULL;
1165 }
1166
1167
1168 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1169                                         const u8 *bssid, const u8 *addr,
1170                                         int wds)
1171 {
1172         hapd = get_hapd_bssid(hapd->iface, bssid);
1173         if (hapd == NULL || hapd == HAPD_BROADCAST)
1174                 return;
1175
1176         ieee802_11_rx_from_unknown(hapd, addr, wds);
1177 }
1178
1179
1180 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1181 {
1182         struct hostapd_iface *iface = hapd->iface;
1183         const struct ieee80211_hdr *hdr;
1184         const u8 *bssid;
1185         struct hostapd_frame_info fi;
1186         int ret;
1187
1188 #ifdef CONFIG_TESTING_OPTIONS
1189         if (hapd->ext_mgmt_frame_handling) {
1190                 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1191                 char *hex = os_malloc(hex_len);
1192
1193                 if (hex) {
1194                         wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1195                                          rx_mgmt->frame_len);
1196                         wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1197                         os_free(hex);
1198                 }
1199                 return 1;
1200         }
1201 #endif /* CONFIG_TESTING_OPTIONS */
1202
1203         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1204         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1205         if (bssid == NULL)
1206                 return 0;
1207
1208         hapd = get_hapd_bssid(iface, bssid);
1209         if (hapd == NULL) {
1210                 u16 fc = le_to_host16(hdr->frame_control);
1211
1212                 /*
1213                  * Drop frames to unknown BSSIDs except for Beacon frames which
1214                  * could be used to update neighbor information.
1215                  */
1216                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1217                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1218                         hapd = iface->bss[0];
1219                 else
1220                         return 0;
1221         }
1222
1223         os_memset(&fi, 0, sizeof(fi));
1224         fi.freq = rx_mgmt->freq;
1225         fi.datarate = rx_mgmt->datarate;
1226         fi.ssi_signal = rx_mgmt->ssi_signal;
1227
1228         if (hapd == HAPD_BROADCAST) {
1229                 size_t i;
1230
1231                 ret = 0;
1232                 for (i = 0; i < iface->num_bss; i++) {
1233                         /* if bss is set, driver will call this function for
1234                          * each bss individually. */
1235                         if (rx_mgmt->drv_priv &&
1236                             (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1237                                 continue;
1238
1239                         if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1240                                             rx_mgmt->frame_len, &fi) > 0)
1241                                 ret = 1;
1242                 }
1243         } else
1244                 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1245                                       &fi);
1246
1247         random_add_randomness(&fi, sizeof(fi));
1248
1249         return ret;
1250 }
1251
1252
1253 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1254                                size_t len, u16 stype, int ok)
1255 {
1256         struct ieee80211_hdr *hdr;
1257         struct hostapd_data *orig_hapd = hapd;
1258
1259         hdr = (struct ieee80211_hdr *) buf;
1260         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1261         if (!hapd)
1262                 return;
1263         if (hapd == HAPD_BROADCAST) {
1264                 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1265                     buf[24] != WLAN_ACTION_PUBLIC)
1266                         return;
1267                 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1268                 if (!hapd || hapd == HAPD_BROADCAST)
1269                         return;
1270                 /*
1271                  * Allow processing of TX status for a Public Action frame that
1272                  * used wildcard BBSID.
1273                  */
1274         }
1275         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1276 }
1277
1278 #endif /* NEED_AP_MLME */
1279
1280
1281 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1282 {
1283         struct sta_info *sta = ap_get_sta(hapd, addr);
1284
1285         if (sta)
1286                 return 0;
1287
1288         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1289                    " - adding a new STA", MAC2STR(addr));
1290         sta = ap_sta_add(hapd, addr);
1291         if (sta) {
1292                 hostapd_new_assoc_sta(hapd, sta, 0);
1293         } else {
1294                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1295                            MAC2STR(addr));
1296                 return -1;
1297         }
1298
1299         return 0;
1300 }
1301
1302
1303 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1304                                    const u8 *data, size_t data_len)
1305 {
1306         struct hostapd_iface *iface = hapd->iface;
1307         struct sta_info *sta;
1308         size_t j;
1309
1310         for (j = 0; j < iface->num_bss; j++) {
1311                 sta = ap_get_sta(iface->bss[j], src);
1312                 if (sta && sta->flags & WLAN_STA_ASSOC) {
1313                         hapd = iface->bss[j];
1314                         break;
1315                 }
1316         }
1317
1318         ieee802_1x_receive(hapd, src, data, data_len);
1319 }
1320
1321 #endif /* HOSTAPD */
1322
1323
1324 static struct hostapd_channel_data * hostapd_get_mode_channel(
1325         struct hostapd_iface *iface, unsigned int freq)
1326 {
1327         int i;
1328         struct hostapd_channel_data *chan;
1329
1330         for (i = 0; i < iface->current_mode->num_channels; i++) {
1331                 chan = &iface->current_mode->channels[i];
1332                 if ((unsigned int) chan->freq == freq)
1333                         return chan;
1334         }
1335
1336         return NULL;
1337 }
1338
1339
1340 static void hostapd_update_nf(struct hostapd_iface *iface,
1341                               struct hostapd_channel_data *chan,
1342                               struct freq_survey *survey)
1343 {
1344         if (!iface->chans_surveyed) {
1345                 chan->min_nf = survey->nf;
1346                 iface->lowest_nf = survey->nf;
1347         } else {
1348                 if (dl_list_empty(&chan->survey_list))
1349                         chan->min_nf = survey->nf;
1350                 else if (survey->nf < chan->min_nf)
1351                         chan->min_nf = survey->nf;
1352                 if (survey->nf < iface->lowest_nf)
1353                         iface->lowest_nf = survey->nf;
1354         }
1355 }
1356
1357
1358 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1359                                               struct survey_results *survey_res)
1360 {
1361         struct hostapd_channel_data *chan;
1362         struct freq_survey *survey;
1363         u64 divisor, dividend;
1364
1365         survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1366                                list);
1367         if (!survey || !survey->freq)
1368                 return;
1369
1370         chan = hostapd_get_mode_channel(iface, survey->freq);
1371         if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1372                 return;
1373
1374         wpa_printf(MSG_DEBUG,
1375                    "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1376                    survey->freq,
1377                    (unsigned long int) survey->channel_time,
1378                    (unsigned long int) survey->channel_time_busy);
1379
1380         if (survey->channel_time > iface->last_channel_time &&
1381             survey->channel_time > survey->channel_time_busy) {
1382                 dividend = survey->channel_time_busy -
1383                         iface->last_channel_time_busy;
1384                 divisor = survey->channel_time - iface->last_channel_time;
1385
1386                 iface->channel_utilization = dividend * 255 / divisor;
1387                 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1388                            iface->channel_utilization);
1389         }
1390         iface->last_channel_time = survey->channel_time;
1391         iface->last_channel_time_busy = survey->channel_time_busy;
1392 }
1393
1394
1395 void hostapd_event_get_survey(struct hostapd_iface *iface,
1396                               struct survey_results *survey_results)
1397 {
1398         struct freq_survey *survey, *tmp;
1399         struct hostapd_channel_data *chan;
1400
1401         if (dl_list_empty(&survey_results->survey_list)) {
1402                 wpa_printf(MSG_DEBUG, "No survey data received");
1403                 return;
1404         }
1405
1406         if (survey_results->freq_filter) {
1407                 hostapd_single_channel_get_survey(iface, survey_results);
1408                 return;
1409         }
1410
1411         dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1412                               struct freq_survey, list) {
1413                 chan = hostapd_get_mode_channel(iface, survey->freq);
1414                 if (!chan)
1415                         continue;
1416                 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1417                         continue;
1418
1419                 dl_list_del(&survey->list);
1420                 dl_list_add_tail(&chan->survey_list, &survey->list);
1421
1422                 hostapd_update_nf(iface, chan, survey);
1423
1424                 iface->chans_surveyed++;
1425         }
1426 }
1427
1428
1429 #ifdef HOSTAPD
1430 #ifdef NEED_AP_MLME
1431
1432 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1433 {
1434         wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1435                    hapd->conf->iface);
1436
1437         if (hapd->csa_in_progress) {
1438                 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1439                            hapd->conf->iface);
1440                 hostapd_switch_channel_fallback(hapd->iface,
1441                                                 &hapd->cs_freq_params);
1442         }
1443 }
1444
1445
1446 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1447                                              struct dfs_event *radar)
1448 {
1449         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1450         hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1451                                    radar->chan_offset, radar->chan_width,
1452                                    radar->cf1, radar->cf2);
1453 }
1454
1455
1456 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1457                                               struct dfs_event *radar)
1458 {
1459         wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1460         hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1461                                     radar->chan_offset, radar->chan_width,
1462                                     radar->cf1, radar->cf2);
1463 }
1464
1465
1466 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1467                                            struct dfs_event *radar)
1468 {
1469         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1470         hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1471                                  radar->chan_offset, radar->chan_width,
1472                                  radar->cf1, radar->cf2);
1473 }
1474
1475
1476 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1477                                           struct dfs_event *radar)
1478 {
1479         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1480         hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1481                                  radar->chan_offset, radar->chan_width,
1482                                  radar->cf1, radar->cf2);
1483 }
1484
1485
1486 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1487                                            struct dfs_event *radar)
1488 {
1489         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1490         hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1491                                  radar->chan_offset, radar->chan_width,
1492                                  radar->cf1, radar->cf2);
1493 }
1494
1495
1496 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1497                                           struct dfs_event *radar)
1498 {
1499         wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1500         hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1501                               radar->chan_offset, radar->chan_width,
1502                               radar->cf1, radar->cf2);
1503 }
1504
1505 #endif /* NEED_AP_MLME */
1506
1507
1508 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1509                                                    int istatus,
1510                                                    const char *ifname,
1511                                                    const u8 *addr)
1512 {
1513         struct sta_info *sta = ap_get_sta(hapd, addr);
1514
1515         if (sta) {
1516                 os_free(sta->ifname_wds);
1517                 if (istatus == INTERFACE_ADDED)
1518                         sta->ifname_wds = os_strdup(ifname);
1519                 else
1520                         sta->ifname_wds = NULL;
1521         }
1522
1523         wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1524                 istatus == INTERFACE_ADDED ?
1525                 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1526                 ifname, MAC2STR(addr));
1527 }
1528
1529
1530 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1531                           union wpa_event_data *data)
1532 {
1533         struct hostapd_data *hapd = ctx;
1534 #ifndef CONFIG_NO_STDOUT_DEBUG
1535         int level = MSG_DEBUG;
1536
1537         if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1538             data->rx_mgmt.frame_len >= 24) {
1539                 const struct ieee80211_hdr *hdr;
1540                 u16 fc;
1541
1542                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1543                 fc = le_to_host16(hdr->frame_control);
1544                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1545                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1546                         level = MSG_EXCESSIVE;
1547                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1548                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1549                         level = MSG_EXCESSIVE;
1550         }
1551
1552         wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1553                 event_to_string(event), event);
1554 #endif /* CONFIG_NO_STDOUT_DEBUG */
1555
1556         switch (event) {
1557         case EVENT_MICHAEL_MIC_FAILURE:
1558                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1559                 break;
1560         case EVENT_SCAN_RESULTS:
1561                 if (hapd->iface->scan_cb)
1562                         hapd->iface->scan_cb(hapd->iface);
1563                 break;
1564         case EVENT_WPS_BUTTON_PUSHED:
1565                 hostapd_wps_button_pushed(hapd, NULL);
1566                 break;
1567 #ifdef NEED_AP_MLME
1568         case EVENT_TX_STATUS:
1569                 switch (data->tx_status.type) {
1570                 case WLAN_FC_TYPE_MGMT:
1571                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1572                                            data->tx_status.data_len,
1573                                            data->tx_status.stype,
1574                                            data->tx_status.ack);
1575                         break;
1576                 case WLAN_FC_TYPE_DATA:
1577                         hostapd_tx_status(hapd, data->tx_status.dst,
1578                                           data->tx_status.data,
1579                                           data->tx_status.data_len,
1580                                           data->tx_status.ack);
1581                         break;
1582                 }
1583                 break;
1584         case EVENT_EAPOL_TX_STATUS:
1585                 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1586                                         data->eapol_tx_status.data,
1587                                         data->eapol_tx_status.data_len,
1588                                         data->eapol_tx_status.ack);
1589                 break;
1590         case EVENT_DRIVER_CLIENT_POLL_OK:
1591                 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1592                 break;
1593         case EVENT_RX_FROM_UNKNOWN:
1594                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1595                                             data->rx_from_unknown.addr,
1596                                             data->rx_from_unknown.wds);
1597                 break;
1598 #endif /* NEED_AP_MLME */
1599         case EVENT_RX_MGMT:
1600                 if (!data->rx_mgmt.frame)
1601                         break;
1602 #ifdef NEED_AP_MLME
1603                 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1604                         break;
1605 #endif /* NEED_AP_MLME */
1606                 hostapd_action_rx(hapd, &data->rx_mgmt);
1607                 break;
1608         case EVENT_RX_PROBE_REQ:
1609                 if (data->rx_probe_req.sa == NULL ||
1610                     data->rx_probe_req.ie == NULL)
1611                         break;
1612                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1613                                      data->rx_probe_req.da,
1614                                      data->rx_probe_req.bssid,
1615                                      data->rx_probe_req.ie,
1616                                      data->rx_probe_req.ie_len,
1617                                      data->rx_probe_req.ssi_signal);
1618                 break;
1619         case EVENT_NEW_STA:
1620                 hostapd_event_new_sta(hapd, data->new_sta.addr);
1621                 break;
1622         case EVENT_EAPOL_RX:
1623                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1624                                        data->eapol_rx.data,
1625                                        data->eapol_rx.data_len);
1626                 break;
1627         case EVENT_ASSOC:
1628                 if (!data)
1629                         return;
1630                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1631                                     data->assoc_info.req_ies,
1632                                     data->assoc_info.req_ies_len,
1633                                     data->assoc_info.reassoc);
1634                 break;
1635         case EVENT_DISASSOC:
1636                 if (data)
1637                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1638                 break;
1639         case EVENT_DEAUTH:
1640                 if (data)
1641                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1642                 break;
1643         case EVENT_STATION_LOW_ACK:
1644                 if (!data)
1645                         break;
1646                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1647                 break;
1648         case EVENT_AUTH:
1649                 hostapd_notif_auth(hapd, &data->auth);
1650                 break;
1651         case EVENT_CH_SWITCH:
1652                 if (!data)
1653                         break;
1654                 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1655                                         data->ch_switch.ht_enabled,
1656                                         data->ch_switch.ch_offset,
1657                                         data->ch_switch.ch_width,
1658                                         data->ch_switch.cf1,
1659                                         data->ch_switch.cf2);
1660                 break;
1661         case EVENT_CONNECT_FAILED_REASON:
1662                 if (!data)
1663                         break;
1664                 hostapd_event_connect_failed_reason(
1665                         hapd, data->connect_failed_reason.addr,
1666                         data->connect_failed_reason.code);
1667                 break;
1668         case EVENT_SURVEY:
1669                 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1670                 break;
1671 #ifdef NEED_AP_MLME
1672         case EVENT_INTERFACE_UNAVAILABLE:
1673                 hostapd_event_iface_unavailable(hapd);
1674                 break;
1675         case EVENT_DFS_RADAR_DETECTED:
1676                 if (!data)
1677                         break;
1678                 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1679                 break;
1680         case EVENT_DFS_PRE_CAC_EXPIRED:
1681                 if (!data)
1682                         break;
1683                 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1684                 break;
1685         case EVENT_DFS_CAC_FINISHED:
1686                 if (!data)
1687                         break;
1688                 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1689                 break;
1690         case EVENT_DFS_CAC_ABORTED:
1691                 if (!data)
1692                         break;
1693                 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1694                 break;
1695         case EVENT_DFS_NOP_FINISHED:
1696                 if (!data)
1697                         break;
1698                 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1699                 break;
1700         case EVENT_CHANNEL_LIST_CHANGED:
1701                 /* channel list changed (regulatory?), update channel list */
1702                 /* TODO: check this. hostapd_get_hw_features() initializes
1703                  * too much stuff. */
1704                 /* hostapd_get_hw_features(hapd->iface); */
1705                 hostapd_channel_list_updated(
1706                         hapd->iface, data->channel_list_changed.initiator);
1707                 break;
1708         case EVENT_DFS_CAC_STARTED:
1709                 if (!data)
1710                         break;
1711                 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1712                 break;
1713 #endif /* NEED_AP_MLME */
1714         case EVENT_INTERFACE_ENABLED:
1715                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1716                 if (hapd->disabled && hapd->started) {
1717                         hapd->disabled = 0;
1718                         /*
1719                          * Try to re-enable interface if the driver stopped it
1720                          * when the interface got disabled.
1721                          */
1722                         if (hapd->wpa_auth)
1723                                 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1724                         else
1725                                 hostapd_reconfig_encryption(hapd);
1726                         hapd->reenable_beacon = 1;
1727                         ieee802_11_set_beacon(hapd);
1728                 }
1729                 break;
1730         case EVENT_INTERFACE_DISABLED:
1731                 hostapd_free_stas(hapd);
1732                 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1733                 hapd->disabled = 1;
1734                 break;
1735 #ifdef CONFIG_ACS
1736         case EVENT_ACS_CHANNEL_SELECTED:
1737                 hostapd_acs_channel_selected(hapd,
1738                                              &data->acs_selected_channels);
1739                 break;
1740 #endif /* CONFIG_ACS */
1741         case EVENT_STATION_OPMODE_CHANGED:
1742                 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
1743                                                  data->sta_opmode.smps_mode,
1744                                                  data->sta_opmode.chan_width,
1745                                                  data->sta_opmode.rx_nss);
1746                 break;
1747         case EVENT_WDS_STA_INTERFACE_STATUS:
1748                 hostapd_event_wds_sta_interface_status(
1749                         hapd, data->wds_sta_interface.istatus,
1750                         data->wds_sta_interface.ifname,
1751                         data->wds_sta_interface.sta_addr);
1752                 break;
1753         default:
1754                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1755                 break;
1756         }
1757 }
1758
1759
1760 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1761                                  union wpa_event_data *data)
1762 {
1763         struct hapd_interfaces *interfaces = ctx;
1764         struct hostapd_data *hapd;
1765
1766         if (event != EVENT_INTERFACE_STATUS)
1767                 return;
1768
1769         hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1770         if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1771             hapd->drv_priv) {
1772                 unsigned int ifindex;
1773
1774                 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1775                 if (ifindex != data->interface_status.ifindex) {
1776                         wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1777                                 "interface status ifindex %d mismatch (%d)",
1778                                 ifindex, data->interface_status.ifindex);
1779                         return;
1780                 }
1781         }
1782         if (hapd)
1783                 wpa_supplicant_event(hapd, event, data);
1784 }
1785
1786 #endif /* HOSTAPD */