src/ap/drv_callbacks.c

   1 /*
   2  * hostapd / Callback functions for driver wrappers
   3  * Copyright (c) 2002-2009, 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 "radius/radius.h"
  13 #include "drivers/driver.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "crypto/random.h"
  17 #include "p2p/p2p.h"
  18 #include "wps/wps.h"
  19 #include "hostapd.h"
  20 #include "ieee802_11.h"
  21 #include "sta_info.h"
  22 #include "accounting.h"
  23 #include "tkip_countermeasures.h"
  24 #include "ieee802_1x.h"
  25 #include "wpa_auth.h"
  26 #include "wps_hostapd.h"
  27 #include "ap_drv_ops.h"
  28 #include "ap_config.h"
  29 #include "hw_features.h"
  30
  31
  32 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
  33                         const u8 *req_ies, size_t req_ies_len, int reassoc)
  34 {
  35         struct sta_info *sta;
  36         int new_assoc, res;
  37         struct ieee802_11_elems elems;
  38         const u8 *ie;
  39         size_t ielen;
  40         u16 reason = WLAN_REASON_UNSPECIFIED;
  41
  42         if (addr == NULL) {
  43                 /*
  44                  * This could potentially happen with unexpected event from the
  45                  * driver wrapper. This was seen at least in one case where the
  46                  * driver ended up being set to station mode while hostapd was
  47                  * running, so better make sure we stop processing such an
  48                  * event here.
  49                  */
  50                 wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
  51                            "no address");
  52                 return -1;
  53         }
  54         random_add_randomness(addr, ETH_ALEN);
  55
  56         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  57                        HOSTAPD_LEVEL_INFO, "associated");
  58
  59         ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
  60         if (elems.wps_ie) {
  61                 ie = elems.wps_ie - 2;
  62                 ielen = elems.wps_ie_len + 2;
  63                 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
  64         } else if (elems.rsn_ie) {
  65                 ie = elems.rsn_ie - 2;
  66                 ielen = elems.rsn_ie_len + 2;
  67                 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
  68         } else if (elems.wpa_ie) {
  69                 ie = elems.wpa_ie - 2;
  70                 ielen = elems.wpa_ie_len + 2;
  71                 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
  72         } else {
  73                 ie = NULL;
  74                 ielen = 0;
  75                 wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
  76                            "(Re)AssocReq");
  77         }
  78
  79         sta = ap_get_sta(hapd, addr);
  80         if (sta) {
  81                 accounting_sta_stop(hapd, sta);
  82
  83                 /*
  84                  * Make sure that the previously registered inactivity timer
  85                  * will not remove the STA immediately.
  86                  */
  87                 sta->timeout_next = STA_NULLFUNC;
  88         } else {
  89                 sta = ap_sta_add(hapd, addr);
  90                 if (sta == NULL) {
  91                         hostapd_drv_sta_disassoc(hapd, addr,
  92                                                  WLAN_REASON_DISASSOC_AP_BUSY);
  93                         return -1;
  94                 }
  95         }
  96         sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
  97
  98 #ifdef CONFIG_P2P
  99         if (elems.p2p) {
 100                 wpabuf_free(sta->p2p_ie);
 101                 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 102                                                           P2P_IE_VENDOR_TYPE);
 103         }
 104 #endif /* CONFIG_P2P */
 105
 106         if (hapd->conf->wpa) {
 107                 if (ie == NULL || ielen == 0) {
 108 #ifdef CONFIG_WPS
 109                         if (hapd->conf->wps_state) {
 110                                 wpa_printf(MSG_DEBUG, "STA did not include "
 111                                            "WPA/RSN IE in (Re)Association "
 112                                            "Request - possible WPS use");
 113                                 sta->flags |= WLAN_STA_MAYBE_WPS;
 114                                 goto skip_wpa_check;
 115                         }
 116 #endif /* CONFIG_WPS */
 117
 118                         wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
 119                         return -1;
 120                 }
 121 #ifdef CONFIG_WPS
 122                 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
 123                     os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
 124                         struct wpabuf *wps;
 125                         sta->flags |= WLAN_STA_WPS;
 126                         wps = ieee802_11_vendor_ie_concat(ie, ielen,
 127                                                           WPS_IE_VENDOR_TYPE);
 128                         if (wps) {
 129                                 if (wps_is_20(wps)) {
 130                                         wpa_printf(MSG_DEBUG, "WPS: STA "
 131                                                    "supports WPS 2.0");
 132                                         sta->flags |= WLAN_STA_WPS2;
 133                                 }
 134                                 wpabuf_free(wps);
 135                         }
 136                         goto skip_wpa_check;
 137                 }
 138 #endif /* CONFIG_WPS */
 139
 140                 if (sta->wpa_sm == NULL)
 141                         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 142                                                         sta->addr);
 143                 if (sta->wpa_sm == NULL) {
 144                         wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
 145                                    "machine");
 146                         return -1;
 147                 }
 148                 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
 149                                           ie, ielen, NULL, 0);
 150                 if (res != WPA_IE_OK) {
 151                         wpa_printf(MSG_DEBUG, "WPA/RSN information element "
 152                                    "rejected? (res %u)", res);
 153                         wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 154                         if (res == WPA_INVALID_GROUP)
 155                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 156                         else if (res == WPA_INVALID_PAIRWISE)
 157                                 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
 158                         else if (res == WPA_INVALID_AKMP)
 159                                 reason = WLAN_REASON_AKMP_NOT_VALID;
 160 #ifdef CONFIG_IEEE80211W
 161                         else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
 162                                 reason = WLAN_REASON_INVALID_IE;
 163                         else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
 164                                 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 165 #endif /* CONFIG_IEEE80211W */
 166                         else
 167                                 reason = WLAN_REASON_INVALID_IE;
 168                         goto fail;
 169                 }
 170         } else if (hapd->conf->wps_state) {
 171 #ifdef CONFIG_WPS
 172                 struct wpabuf *wps;
 173                 if (req_ies)
 174                         wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 175                                                           WPS_IE_VENDOR_TYPE);
 176                 else
 177                         wps = NULL;
 178 #ifdef CONFIG_WPS_STRICT
 179                 if (wps && wps_validate_assoc_req(wps) < 0) {
 180                         reason = WLAN_REASON_INVALID_IE;
 181                         wpabuf_free(wps);
 182                         goto fail;
 183                 }
 184 #endif /* CONFIG_WPS_STRICT */
 185                 if (wps) {
 186                         sta->flags |= WLAN_STA_WPS;
 187                         if (wps_is_20(wps)) {
 188                                 wpa_printf(MSG_DEBUG, "WPS: STA supports "
 189                                            "WPS 2.0");
 190                                 sta->flags |= WLAN_STA_WPS2;
 191                         }
 192                 } else
 193                         sta->flags |= WLAN_STA_MAYBE_WPS;
 194                 wpabuf_free(wps);
 195 #endif /* CONFIG_WPS */
 196         }
 197 #ifdef CONFIG_WPS
 198 skip_wpa_check:
 199 #endif /* CONFIG_WPS */
 200
 201         new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
 202         sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
 203         wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
 204
 205         hostapd_new_assoc_sta(hapd, sta, !new_assoc);
 206
 207         ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
 208
 209 #ifdef CONFIG_P2P
 210         if (req_ies) {
 211                 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
 212                                       req_ies, req_ies_len);
 213         }
 214 #endif /* CONFIG_P2P */
 215
 216         return 0;
 217
 218 fail:
 219         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 220         ap_free_sta(hapd, sta);
 221         return -1;
 222 }
 223
 224
 225 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 226 {
 227         struct sta_info *sta;
 228
 229         if (addr == NULL) {
 230                 /*
 231                  * This could potentially happen with unexpected event from the
 232                  * driver wrapper. This was seen at least in one case where the
 233                  * driver ended up reporting a station mode event while hostapd
 234                  * was running, so better make sure we stop processing such an
 235                  * event here.
 236                  */
 237                 wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
 238                            "with no address");
 239                 return;
 240         }
 241
 242         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 243                        HOSTAPD_LEVEL_INFO, "disassociated");
 244
 245         sta = ap_get_sta(hapd, addr);
 246         if (sta == NULL) {
 247                 wpa_printf(MSG_DEBUG, "Disassociation notification for "
 248                            "unknown STA " MACSTR, MAC2STR(addr));
 249                 return;
 250         }
 251
 252         ap_sta_set_authorized(hapd, sta, 0);
 253         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 254         wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
 255         sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
 256         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 257         ap_free_sta(hapd, sta);
 258 }
 259
 260
 261 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 262 {
 263         struct sta_info *sta = ap_get_sta(hapd, addr);
 264
 265         if (!sta || !hapd->conf->disassoc_low_ack)
 266                 return;
 267
 268         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 269                        HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
 270                        "missing ACKs");
 271         hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 272         if (sta)
 273                 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
 274 }
 275
 276
 277 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 278                              int offset)
 279 {
 280         int channel;
 281
 282         hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 283                        HOSTAPD_LEVEL_INFO, "driver had channel switch: "
 284                        "freq=%d, ht=%d, offset=%d", freq, ht, offset);
 285
 286         hapd->iface->freq = freq;
 287
 288         channel = hostapd_hw_get_channel(hapd, freq);
 289         if (!channel) {
 290                 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
 291                                HOSTAPD_LEVEL_WARNING, "driver switched to "
 292                                "bad channel!");
 293                 return;
 294         }
 295
 296         hapd->iconf->channel = channel;
 297         hapd->iconf->ieee80211n = ht;
 298         hapd->iconf->secondary_channel = offset;
 299 }
 300
 301
 302 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 303                          const u8 *bssid, const u8 *ie, size_t ie_len,
 304                          int ssi_signal)
 305 {
 306         size_t i;
 307         int ret = 0;
 308
 309         if (sa == NULL || ie == NULL)
 310                 return -1;
 311
 312         random_add_randomness(sa, ETH_ALEN);
 313         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 314                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 315                                             sa, da, bssid, ie, ie_len,
 316                                             ssi_signal) > 0) {
 317                         ret = 1;
 318                         break;
 319                 }
 320         }
 321         return ret;
 322 }
 323
 324
 325 #ifdef HOSTAPD
 326
 327 #ifdef NEED_AP_MLME
 328
 329 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
 330
 331 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
 332                                             const u8 *bssid)
 333 {
 334         size_t i;
 335
 336         if (bssid == NULL)
 337                 return NULL;
 338         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
 339             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
 340                 return HAPD_BROADCAST;
 341
 342         for (i = 0; i < iface->num_bss; i++) {
 343                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
 344                         return iface->bss[i];
 345         }
 346
 347         return NULL;
 348 }
 349
 350
 351 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
 352                                         const u8 *bssid, const u8 *addr,
 353                                         int wds)
 354 {
 355         hapd = get_hapd_bssid(hapd->iface, bssid);
 356         if (hapd == NULL || hapd == HAPD_BROADCAST)
 357                 return;
 358
 359         ieee802_11_rx_from_unknown(hapd, addr, wds);
 360 }
 361
 362
 363 static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 364 {
 365         struct hostapd_iface *iface = hapd->iface;
 366         const struct ieee80211_hdr *hdr;
 367         const u8 *bssid;
 368         struct hostapd_frame_info fi;
 369
 370         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
 371         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
 372         if (bssid == NULL)
 373                 return;
 374
 375         hapd = get_hapd_bssid(iface, bssid);
 376         if (hapd == NULL) {
 377                 u16 fc;
 378                 fc = le_to_host16(hdr->frame_control);
 379
 380                 /*
 381                  * Drop frames to unknown BSSIDs except for Beacon frames which
 382                  * could be used to update neighbor information.
 383                  */
 384                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 385                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 386                         hapd = iface->bss[0];
 387                 else
 388                         return;
 389         }
 390
 391         os_memset(&fi, 0, sizeof(fi));
 392         fi.datarate = rx_mgmt->datarate;
 393         fi.ssi_signal = rx_mgmt->ssi_signal;
 394
 395         if (hapd == HAPD_BROADCAST) {
 396                 size_t i;
 397                 for (i = 0; i < iface->num_bss; i++)
 398                         ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
 399                                         rx_mgmt->frame_len, &fi);
 400         } else
 401                 ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
 402
 403         random_add_randomness(&fi, sizeof(fi));
 404 }
 405
 406
 407 static void hostapd_rx_action(struct hostapd_data *hapd,
 408                               struct rx_action *rx_action)
 409 {
 410         struct rx_mgmt rx_mgmt;
 411         u8 *buf;
 412         struct ieee80211_hdr *hdr;
 413
 414         wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
 415                    " BSSID=" MACSTR " category=%u",
 416                    MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
 417                    MAC2STR(rx_action->bssid), rx_action->category);
 418         wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
 419                     rx_action->data, rx_action->len);
 420
 421         buf = os_zalloc(24 + 1 + rx_action->len);
 422         if (buf == NULL)
 423                 return;
 424         hdr = (struct ieee80211_hdr *) buf;
 425         hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
 426                                           WLAN_FC_STYPE_ACTION);
 427         if (rx_action->category == WLAN_ACTION_SA_QUERY) {
 428                 /*
 429                  * Assume frame was protected; it would have been dropped if
 430                  * not.
 431                  */
 432                 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
 433         }
 434         os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
 435         os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
 436         os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
 437         buf[24] = rx_action->category;
 438         os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
 439         os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
 440         rx_mgmt.frame = buf;
 441         rx_mgmt.frame_len = 24 + 1 + rx_action->len;
 442         hostapd_mgmt_rx(hapd, &rx_mgmt);
 443         os_free(buf);
 444 }
 445
 446
 447 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 448                                size_t len, u16 stype, int ok)
 449 {
 450         struct ieee80211_hdr *hdr;
 451         hdr = (struct ieee80211_hdr *) buf;
 452         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 453         if (hapd == NULL || hapd == HAPD_BROADCAST)
 454                 return;
 455         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 456 }
 457
 458 #endif /* NEED_AP_MLME */
 459
 460
 461 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 462 {
 463         struct sta_info *sta = ap_get_sta(hapd, addr);
 464         if (sta)
 465                 return 0;
 466
 467         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
 468                    " - adding a new STA", MAC2STR(addr));
 469         sta = ap_sta_add(hapd, addr);
 470         if (sta) {
 471                 hostapd_new_assoc_sta(hapd, sta, 0);
 472         } else {
 473                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
 474                            MAC2STR(addr));
 475                 return -1;
 476         }
 477
 478         return 0;
 479 }
 480
 481
 482 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 483                                    const u8 *data, size_t data_len)
 484 {
 485         struct hostapd_iface *iface = hapd->iface;
 486         size_t j;
 487
 488         for (j = 0; j < iface->num_bss; j++) {
 489                 if (ap_get_sta(iface->bss[j], src)) {
 490                         hapd = iface->bss[j];
 491                         break;
 492                 }
 493         }
 494
 495         ieee802_1x_receive(hapd, src, data, data_len);
 496 }
 497
 498
 499 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 500                           union wpa_event_data *data)
 501 {
 502         struct hostapd_data *hapd = ctx;
 503 #ifndef CONFIG_NO_STDOUT_DEBUG
 504         int level = MSG_DEBUG;
 505
 506         if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
 507             data->rx_mgmt.frame_len >= 24) {
 508                 const struct ieee80211_hdr *hdr;
 509                 u16 fc;
 510                 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
 511                 fc = le_to_host16(hdr->frame_control);
 512                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 513                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 514                         level = MSG_EXCESSIVE;
 515         }
 516
 517         wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
 518                 event_to_string(event), event);
 519 #endif /* CONFIG_NO_STDOUT_DEBUG */
 520
 521         switch (event) {
 522         case EVENT_MICHAEL_MIC_FAILURE:
 523                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
 524                 break;
 525         case EVENT_SCAN_RESULTS:
 526                 if (hapd->iface->scan_cb)
 527                         hapd->iface->scan_cb(hapd->iface);
 528                 break;
 529 #ifdef CONFIG_IEEE80211R
 530         case EVENT_FT_RRB_RX:
 531                 wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
 532                               data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
 533                 break;
 534 #endif /* CONFIG_IEEE80211R */
 535         case EVENT_WPS_BUTTON_PUSHED:
 536                 hostapd_wps_button_pushed(hapd, NULL);
 537                 break;
 538 #ifdef NEED_AP_MLME
 539         case EVENT_TX_STATUS:
 540                 switch (data->tx_status.type) {
 541                 case WLAN_FC_TYPE_MGMT:
 542                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
 543                                            data->tx_status.data_len,
 544                                            data->tx_status.stype,
 545                                            data->tx_status.ack);
 546                         break;
 547                 case WLAN_FC_TYPE_DATA:
 548                         hostapd_tx_status(hapd, data->tx_status.dst,
 549                                           data->tx_status.data,
 550                                           data->tx_status.data_len,
 551                                           data->tx_status.ack);
 552                         break;
 553                 }
 554                 break;
 555         case EVENT_EAPOL_TX_STATUS:
 556                 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
 557                                         data->eapol_tx_status.data,
 558                                         data->eapol_tx_status.data_len,
 559                                         data->eapol_tx_status.ack);
 560                 break;
 561         case EVENT_DRIVER_CLIENT_POLL_OK:
 562                 hostapd_client_poll_ok(hapd, data->client_poll.addr);
 563                 break;
 564         case EVENT_RX_FROM_UNKNOWN:
 565                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
 566                                             data->rx_from_unknown.addr,
 567                                             data->rx_from_unknown.wds);
 568                 break;
 569         case EVENT_RX_MGMT:
 570                 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
 571                 break;
 572 #endif /* NEED_AP_MLME */
 573         case EVENT_RX_PROBE_REQ:
 574                 if (data->rx_probe_req.sa == NULL ||
 575                     data->rx_probe_req.ie == NULL)
 576                         break;
 577                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
 578                                      data->rx_probe_req.da,
 579                                      data->rx_probe_req.bssid,
 580                                      data->rx_probe_req.ie,
 581                                      data->rx_probe_req.ie_len,
 582                                      data->rx_probe_req.ssi_signal);
 583                 break;
 584         case EVENT_NEW_STA:
 585                 hostapd_event_new_sta(hapd, data->new_sta.addr);
 586                 break;
 587         case EVENT_EAPOL_RX:
 588                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
 589                                        data->eapol_rx.data,
 590                                        data->eapol_rx.data_len);
 591                 break;
 592         case EVENT_ASSOC:
 593                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
 594                                     data->assoc_info.req_ies,
 595                                     data->assoc_info.req_ies_len,
 596                                     data->assoc_info.reassoc);
 597                 break;
 598         case EVENT_DISASSOC:
 599                 if (data)
 600                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
 601                 break;
 602         case EVENT_DEAUTH:
 603                 if (data)
 604                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
 605                 break;
 606         case EVENT_STATION_LOW_ACK:
 607                 if (!data)
 608                         break;
 609                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
 610                 break;
 611 #ifdef NEED_AP_MLME
 612         case EVENT_RX_ACTION:
 613                 if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
 614                     data->rx_action.bssid == NULL)
 615                         break;
 616                 hostapd_rx_action(hapd, &data->rx_action);
 617                 break;
 618 #endif /* NEED_AP_MLME */
 619         case EVENT_CH_SWITCH:
 620                 if (!data)
 621                         break;
 622                 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
 623                                         data->ch_switch.ht_enabled,
 624                                         data->ch_switch.ch_offset);
 625                 break;
 626         default:
 627                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
 628                 break;
 629         }
 630 }
 631
 632 #endif /* HOSTAPD */