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 program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "utils/includes.h"
  16
  17 #include "utils/common.h"
  18 #include "radius/radius.h"
  19 #include "drivers/driver.h"
  20 #include "common/ieee802_11_defs.h"
  21 #include "common/ieee802_11_common.h"
  22 #include "common/wpa_ctrl.h"
  23 #include "crypto/random.h"
  24 #include "p2p/p2p.h"
  25 #include "wps/wps.h"
  26 #include "hostapd.h"
  27 #include "ieee802_11.h"
  28 #include "sta_info.h"
  29 #include "accounting.h"
  30 #include "tkip_countermeasures.h"
  31 #include "iapp.h"
  32 #include "ieee802_1x.h"
  33 #include "wpa_auth.h"
  34 #include "wmm.h"
  35 #include "wps_hostapd.h"
  36 #include "ap_drv_ops.h"
  37 #include "ap_config.h"
  38
  39
  40 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
  41                         const u8 *ie, size_t ielen, int reassoc)
  42 {
  43         struct sta_info *sta;
  44         int new_assoc, res;
  45         struct ieee802_11_elems elems;
  46 #if defined(CONFIG_P2P) || defined(CONFIG_WPS)
  47         const u8 *all_ies = ie;
  48         size_t all_ies_len = ielen;
  49 #endif /* CONFIG_P2P || CONFIG_WPS */
  50
  51         if (addr == NULL) {
  52                 /*
  53                  * This could potentially happen with unexpected event from the
  54                  * driver wrapper. This was seen at least in one case where the
  55                  * driver ended up being set to station mode while hostapd was
  56                  * running, so better make sure we stop processing such an
  57                  * event here.
  58                  */
  59                 wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
  60                            "no address");
  61                 return -1;
  62         }
  63         random_add_randomness(addr, ETH_ALEN);
  64
  65         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  66                        HOSTAPD_LEVEL_INFO, "associated");
  67
  68         ieee802_11_parse_elems(ie, ielen, &elems, 0);
  69         if (elems.wps_ie) {
  70                 ie = elems.wps_ie - 2;
  71                 ielen = elems.wps_ie_len + 2;
  72                 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
  73         } else if (elems.rsn_ie) {
  74                 ie = elems.rsn_ie - 2;
  75                 ielen = elems.rsn_ie_len + 2;
  76                 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
  77         } else if (elems.wpa_ie) {
  78                 ie = elems.wpa_ie - 2;
  79                 ielen = elems.wpa_ie_len + 2;
  80                 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
  81         } else {
  82                 ie = NULL;
  83                 ielen = 0;
  84                 wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
  85                            "(Re)AssocReq");
  86         }
  87
  88         sta = ap_get_sta(hapd, addr);
  89         if (sta) {
  90                 accounting_sta_stop(hapd, sta);
  91         } else {
  92                 sta = ap_sta_add(hapd, addr);
  93                 if (sta == NULL)
  94                         return -1;
  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(all_ies, all_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                         int resp;
 152                         wpa_printf(MSG_DEBUG, "WPA/RSN information element "
 153                                    "rejected? (res %u)", res);
 154                         wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 155                         if (res == WPA_INVALID_GROUP)
 156                                 resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 157                         else if (res == WPA_INVALID_PAIRWISE)
 158                                 resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
 159                         else if (res == WPA_INVALID_AKMP)
 160                                 resp = WLAN_REASON_AKMP_NOT_VALID;
 161 #ifdef CONFIG_IEEE80211W
 162                         else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
 163                                 resp = WLAN_REASON_INVALID_IE;
 164                         else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
 165                                 resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
 166 #endif /* CONFIG_IEEE80211W */
 167                         else
 168                                 resp = WLAN_REASON_INVALID_IE;
 169                         hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
 170                         ap_free_sta(hapd, sta);
 171                         return -1;
 172                 }
 173         } else if (hapd->conf->wps_state) {
 174 #ifdef CONFIG_WPS
 175                 struct wpabuf *wps;
 176                 if (all_ies)
 177                         wps = ieee802_11_vendor_ie_concat(all_ies, all_ies_len,
 178                                                           WPS_IE_VENDOR_TYPE);
 179                 else
 180                         wps = NULL;
 181 #ifdef CONFIG_WPS_STRICT
 182                 if (wps && wps_validate_assoc_req(wps) < 0) {
 183                         hostapd_drv_sta_disassoc(hapd, sta->addr,
 184                                                  WLAN_REASON_INVALID_IE);
 185                         ap_free_sta(hapd, sta);
 186                         wpabuf_free(wps);
 187                         return -1;
 188                 }
 189 #endif /* CONFIG_WPS_STRICT */
 190                 if (wps) {
 191                         sta->flags |= WLAN_STA_WPS;
 192                         if (wps_is_20(wps)) {
 193                                 wpa_printf(MSG_DEBUG, "WPS: STA supports "
 194                                            "WPS 2.0");
 195                                 sta->flags |= WLAN_STA_WPS2;
 196                         }
 197                 } else
 198                         sta->flags |= WLAN_STA_MAYBE_WPS;
 199                 wpabuf_free(wps);
 200 #endif /* CONFIG_WPS */
 201         }
 202 #ifdef CONFIG_WPS
 203 skip_wpa_check:
 204 #endif /* CONFIG_WPS */
 205
 206         new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
 207         sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
 208         wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
 209
 210         hostapd_new_assoc_sta(hapd, sta, !new_assoc);
 211
 212         ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
 213
 214 #ifdef CONFIG_P2P
 215         p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
 216                               all_ies, all_ies_len);
 217 #endif /* CONFIG_P2P */
 218
 219         return 0;
 220 }
 221
 222
 223 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 224 {
 225         struct sta_info *sta;
 226
 227         if (addr == NULL) {
 228                 /*
 229                  * This could potentially happen with unexpected event from the
 230                  * driver wrapper. This was seen at least in one case where the
 231                  * driver ended up reporting a station mode event while hostapd
 232                  * was running, so better make sure we stop processing such an
 233                  * event here.
 234                  */
 235                 wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
 236                            "with no address");
 237                 return;
 238         }
 239
 240         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 241                        HOSTAPD_LEVEL_INFO, "disassociated");
 242
 243         sta = ap_get_sta(hapd, addr);
 244         if (sta == NULL) {
 245                 wpa_printf(MSG_DEBUG, "Disassociation notification for "
 246                            "unknown STA " MACSTR, MAC2STR(addr));
 247                 return;
 248         }
 249
 250         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 251         wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
 252                 MAC2STR(sta->addr));
 253         wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
 254         sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
 255         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 256         ap_free_sta(hapd, sta);
 257 }
 258
 259
 260 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 261 {
 262         struct sta_info *sta = ap_get_sta(hapd, addr);
 263
 264         if (!sta || !hapd->conf->disassoc_low_ack)
 265                 return;
 266
 267         hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
 268                        HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
 269                        "missing ACKs");
 270         hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 271         if (sta)
 272                 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
 273 }
 274
 275
 276 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
 277                          const u8 *bssid, const u8 *ie, size_t ie_len)
 278 {
 279         size_t i;
 280         int ret = 0;
 281
 282         if (sa == NULL || ie == NULL)
 283                 return -1;
 284
 285         random_add_randomness(sa, ETH_ALEN);
 286         for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 287                 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 288                                             sa, da, bssid, ie, ie_len) > 0) {
 289                         ret = 1;
 290                         break;
 291                 }
 292         }
 293         return ret;
 294 }
 295
 296
 297 #ifdef HOSTAPD
 298
 299 #ifdef NEED_AP_MLME
 300
 301 static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
 302 {
 303         u16 fc, type, stype;
 304
 305         /*
 306          * PS-Poll frames are 16 bytes. All other frames are
 307          * 24 bytes or longer.
 308          */
 309         if (len < 16)
 310                 return NULL;
 311
 312         fc = le_to_host16(hdr->frame_control);
 313         type = WLAN_FC_GET_TYPE(fc);
 314         stype = WLAN_FC_GET_STYPE(fc);
 315
 316         switch (type) {
 317         case WLAN_FC_TYPE_DATA:
 318                 if (len < 24)
 319                         return NULL;
 320                 switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
 321                 case WLAN_FC_FROMDS | WLAN_FC_TODS:
 322                 case WLAN_FC_TODS:
 323                         return hdr->addr1;
 324                 case WLAN_FC_FROMDS:
 325                         return hdr->addr2;
 326                 default:
 327                         return NULL;
 328                 }
 329         case WLAN_FC_TYPE_CTRL:
 330                 if (stype != WLAN_FC_STYPE_PSPOLL)
 331                         return NULL;
 332                 return hdr->addr1;
 333         case WLAN_FC_TYPE_MGMT:
 334                 return hdr->addr3;
 335         default:
 336                 return NULL;
 337         }
 338 }
 339
 340
 341 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
 342
 343 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
 344                                             const u8 *bssid)
 345 {
 346         size_t i;
 347
 348         if (bssid == NULL)
 349                 return NULL;
 350         if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
 351             bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
 352                 return HAPD_BROADCAST;
 353
 354         for (i = 0; i < iface->num_bss; i++) {
 355                 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
 356                         return iface->bss[i];
 357         }
 358
 359         return NULL;
 360 }
 361
 362
 363 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
 364                                         const u8 *frame, size_t len)
 365 {
 366         const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
 367         u16 fc = le_to_host16(hdr->frame_control);
 368         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 369         if (hapd == NULL || hapd == HAPD_BROADCAST)
 370                 return;
 371
 372         ieee802_11_rx_from_unknown(hapd, hdr->addr2,
 373                                    (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
 374                                    (WLAN_FC_TODS | WLAN_FC_FROMDS));
 375 }
 376
 377
 378 static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 379 {
 380         struct hostapd_iface *iface = hapd->iface;
 381         const struct ieee80211_hdr *hdr;
 382         const u8 *bssid;
 383         struct hostapd_frame_info fi;
 384
 385         hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
 386         bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
 387         if (bssid == NULL)
 388                 return;
 389
 390         hapd = get_hapd_bssid(iface, bssid);
 391         if (hapd == NULL) {
 392                 u16 fc;
 393                 fc = le_to_host16(hdr->frame_control);
 394
 395                 /*
 396                  * Drop frames to unknown BSSIDs except for Beacon frames which
 397                  * could be used to update neighbor information.
 398                  */
 399                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
 400                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
 401                         hapd = iface->bss[0];
 402                 else
 403                         return;
 404         }
 405
 406         os_memset(&fi, 0, sizeof(fi));
 407         fi.datarate = rx_mgmt->datarate;
 408         fi.ssi_signal = rx_mgmt->ssi_signal;
 409
 410         if (hapd == HAPD_BROADCAST) {
 411                 size_t i;
 412                 for (i = 0; i < iface->num_bss; i++)
 413                         ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
 414                                         rx_mgmt->frame_len, &fi);
 415         } else
 416                 ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
 417
 418         random_add_randomness(&fi, sizeof(fi));
 419 }
 420
 421
 422 static void hostapd_rx_action(struct hostapd_data *hapd,
 423                               struct rx_action *rx_action)
 424 {
 425         struct rx_mgmt rx_mgmt;
 426         u8 *buf;
 427         struct ieee80211_hdr *hdr;
 428
 429         wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
 430                    " BSSID=" MACSTR " category=%u",
 431                    MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
 432                    MAC2STR(rx_action->bssid), rx_action->category);
 433         wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
 434                     rx_action->data, rx_action->len);
 435
 436         buf = os_zalloc(24 + 1 + rx_action->len);
 437         if (buf == NULL)
 438                 return;
 439         hdr = (struct ieee80211_hdr *) buf;
 440         hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
 441                                           WLAN_FC_STYPE_ACTION);
 442         if (rx_action->category == WLAN_ACTION_SA_QUERY) {
 443                 /*
 444                  * Assume frame was protected; it would have been dropped if
 445                  * not.
 446                  */
 447                 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
 448         }
 449         os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
 450         os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
 451         os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
 452         buf[24] = rx_action->category;
 453         os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
 454         os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
 455         rx_mgmt.frame = buf;
 456         rx_mgmt.frame_len = 24 + 1 + rx_action->len;
 457         hostapd_mgmt_rx(hapd, &rx_mgmt);
 458         os_free(buf);
 459 }
 460
 461
 462 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 463                                size_t len, u16 stype, int ok)
 464 {
 465         struct ieee80211_hdr *hdr;
 466         hdr = (struct ieee80211_hdr *) buf;
 467         hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 468         if (hapd == NULL || hapd == HAPD_BROADCAST)
 469                 return;
 470         ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 471 }
 472
 473 #endif /* NEED_AP_MLME */
 474
 475
 476 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 477 {
 478         struct sta_info *sta = ap_get_sta(hapd, addr);
 479         if (sta)
 480                 return 0;
 481
 482         wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
 483                    " - adding a new STA", MAC2STR(addr));
 484         sta = ap_sta_add(hapd, addr);
 485         if (sta) {
 486                 hostapd_new_assoc_sta(hapd, sta, 0);
 487         } else {
 488                 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
 489                            MAC2STR(addr));
 490                 return -1;
 491         }
 492
 493         return 0;
 494 }
 495
 496
 497 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 498                                    const u8 *data, size_t data_len)
 499 {
 500         struct hostapd_iface *iface = hapd->iface;
 501         size_t j;
 502
 503         for (j = 0; j < iface->num_bss; j++) {
 504                 if (ap_get_sta(iface->bss[j], src)) {
 505                         hapd = iface->bss[j];
 506                         break;
 507                 }
 508         }
 509
 510         ieee802_1x_receive(hapd, src, data, data_len);
 511 }
 512
 513
 514 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 515                           union wpa_event_data *data)
 516 {
 517         struct hostapd_data *hapd = ctx;
 518
 519         switch (event) {
 520         case EVENT_MICHAEL_MIC_FAILURE:
 521                 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
 522                 break;
 523         case EVENT_SCAN_RESULTS:
 524                 if (hapd->iface->scan_cb)
 525                         hapd->iface->scan_cb(hapd->iface);
 526                 break;
 527 #ifdef CONFIG_IEEE80211R
 528         case EVENT_FT_RRB_RX:
 529                 wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
 530                               data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
 531                 break;
 532 #endif /* CONFIG_IEEE80211R */
 533         case EVENT_WPS_BUTTON_PUSHED:
 534                 hostapd_wps_button_pushed(hapd, NULL);
 535                 break;
 536 #ifdef NEED_AP_MLME
 537         case EVENT_TX_STATUS:
 538                 switch (data->tx_status.type) {
 539                 case WLAN_FC_TYPE_MGMT:
 540                         hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
 541                                            data->tx_status.data_len,
 542                                            data->tx_status.stype,
 543                                            data->tx_status.ack);
 544                         break;
 545                 case WLAN_FC_TYPE_DATA:
 546                         hostapd_tx_status(hapd, data->tx_status.dst,
 547                                           data->tx_status.data,
 548                                           data->tx_status.data_len,
 549                                           data->tx_status.ack);
 550                         break;
 551                 }
 552                 break;
 553         case EVENT_RX_FROM_UNKNOWN:
 554                 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
 555                                             data->rx_from_unknown.len);
 556                 break;
 557         case EVENT_RX_MGMT:
 558                 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
 559                 break;
 560 #endif /* NEED_AP_MLME */
 561         case EVENT_RX_PROBE_REQ:
 562                 if (data->rx_probe_req.sa == NULL ||
 563                     data->rx_probe_req.ie == NULL)
 564                         break;
 565                 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
 566                                      data->rx_probe_req.da,
 567                                      data->rx_probe_req.bssid,
 568                                      data->rx_probe_req.ie,
 569                                      data->rx_probe_req.ie_len);
 570                 break;
 571         case EVENT_NEW_STA:
 572                 hostapd_event_new_sta(hapd, data->new_sta.addr);
 573                 break;
 574         case EVENT_EAPOL_RX:
 575                 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
 576                                        data->eapol_rx.data,
 577                                        data->eapol_rx.data_len);
 578                 break;
 579         case EVENT_ASSOC:
 580                 hostapd_notif_assoc(hapd, data->assoc_info.addr,
 581                                     data->assoc_info.req_ies,
 582                                     data->assoc_info.req_ies_len,
 583                                     data->assoc_info.reassoc);
 584                 break;
 585         case EVENT_DISASSOC:
 586                 if (data)
 587                         hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
 588                 break;
 589         case EVENT_DEAUTH:
 590                 if (data)
 591                         hostapd_notif_disassoc(hapd, data->deauth_info.addr);
 592                 break;
 593         case EVENT_STATION_LOW_ACK:
 594                 if (!data)
 595                         break;
 596                 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
 597                 break;
 598 #ifdef NEED_AP_MLME
 599         case EVENT_RX_ACTION:
 600                 if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
 601                     data->rx_action.bssid == NULL)
 602                         break;
 603                 hostapd_rx_action(hapd, &data->rx_action);
 604                 break;
 605 #endif /* NEED_AP_MLME */
 606         default:
 607                 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
 608                 break;
 609         }
 610 }
 611
 612 #endif /* HOSTAPD */