wpa_supplicant/ap.c

   1 /*
   2  * WPA Supplicant - Basic AP mode support routines
   3  * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2009, Atheros Communications
   5  *
   6  * This software may be distributed under the terms of the BSD license.
   7  * See README for more details.
   8  */
   9
  10 #include "utils/includes.h"
  11
  12 #include "utils/common.h"
  13 #include "utils/eloop.h"
  14 #include "utils/uuid.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eapol_supp/eapol_supp_sm.h"
  18 #include "crypto/dh_group5.h"
  19 #include "ap/hostapd.h"
  20 #include "ap/ap_config.h"
  21 #include "ap/ap_drv_ops.h"
  22 #ifdef NEED_AP_MLME
  23 #include "ap/ieee802_11.h"
  24 #endif /* NEED_AP_MLME */
  25 #include "ap/beacon.h"
  26 #include "ap/ieee802_1x.h"
  27 #include "ap/wps_hostapd.h"
  28 #include "ap/ctrl_iface_ap.h"
  29 #include "wps/wps.h"
  30 #include "common/ieee802_11_defs.h"
  31 #include "config_ssid.h"
  32 #include "config.h"
  33 #include "wpa_supplicant_i.h"
  34 #include "driver_i.h"
  35 #include "p2p_supplicant.h"
  36 #include "ap.h"
  37 #include "ap/sta_info.h"
  38 #include "notify.h"
  39
  40
  41 #ifdef CONFIG_WPS
  42 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
  43 #endif /* CONFIG_WPS */
  44
  45
  46 #ifdef CONFIG_IEEE80211N
  47 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
  48                              struct hostapd_config *conf,
  49                              struct hostapd_hw_modes *mode)
  50 {
  51         u8 center_chan = 0;
  52         u8 channel = conf->channel;
  53
  54         if (!conf->secondary_channel)
  55                 goto no_vht;
  56
  57         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  58         if (!center_chan)
  59                 goto no_vht;
  60
  61         /* Use 80 MHz channel */
  62         conf->vht_oper_chwidth = 1;
  63         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  64         return;
  65
  66 no_vht:
  67         conf->vht_oper_centr_freq_seg0_idx =
  68                 channel + conf->secondary_channel * 2;
  69 }
  70 #endif /* CONFIG_IEEE80211N */
  71
  72
  73 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
  74                                   struct wpa_ssid *ssid,
  75                                   struct hostapd_config *conf)
  76 {
  77         struct hostapd_bss_config *bss = conf->bss[0];
  78
  79         conf->driver = wpa_s->driver;
  80
  81         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
  82
  83         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
  84                                                &conf->channel);
  85         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
  86                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
  87                            ssid->frequency);
  88                 return -1;
  89         }
  90
  91         /* TODO: enable HT40 if driver supports it;
  92          * drop to 11b if driver does not support 11g */
  93
  94 #ifdef CONFIG_IEEE80211N
  95         /*
  96          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
  97          * and a mask of allowed capabilities within conf->ht_capab.
  98          * Using default config settings for: conf->ht_op_mode_fixed,
  99          * conf->secondary_channel, conf->require_ht
 100          */
 101         if (wpa_s->hw.modes) {
 102                 struct hostapd_hw_modes *mode = NULL;
 103                 int i, no_ht = 0;
 104                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 105                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 106                                 mode = &wpa_s->hw.modes[i];
 107                                 break;
 108                         }
 109                 }
 110
 111 #ifdef CONFIG_HT_OVERRIDES
 112                 if (ssid->disable_ht) {
 113                         conf->ieee80211n = 0;
 114                         conf->ht_capab = 0;
 115                         no_ht = 1;
 116                 }
 117 #endif /* CONFIG_HT_OVERRIDES */
 118
 119                 if (!no_ht && mode && mode->ht_capab) {
 120                         conf->ieee80211n = 1;
 121 #ifdef CONFIG_P2P
 122                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 123                             (mode->ht_capab &
 124                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 125                             ssid->ht40)
 126                                 conf->secondary_channel =
 127                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 128                                                                conf->channel);
 129                         if (conf->secondary_channel)
 130                                 conf->ht_capab |=
 131                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 132 #endif /* CONFIG_P2P */
 133
 134                         /*
 135                          * white-list capabilities that won't cause issues
 136                          * to connecting stations, while leaving the current
 137                          * capabilities intact (currently disabled SMPS).
 138                          */
 139                         conf->ht_capab |= mode->ht_capab &
 140                                 (HT_CAP_INFO_GREEN_FIELD |
 141                                  HT_CAP_INFO_SHORT_GI20MHZ |
 142                                  HT_CAP_INFO_SHORT_GI40MHZ |
 143                                  HT_CAP_INFO_RX_STBC_MASK |
 144                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 145
 146                         if (mode->vht_capab && ssid->vht) {
 147                                 conf->ieee80211ac = 1;
 148                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 149                         }
 150                 }
 151         }
 152 #endif /* CONFIG_IEEE80211N */
 153
 154 #ifdef CONFIG_P2P
 155         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 156             (ssid->mode == WPAS_MODE_P2P_GO ||
 157              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 158                 /* Remove 802.11b rates from supported and basic rate sets */
 159                 int *list = os_malloc(4 * sizeof(int));
 160                 if (list) {
 161                         list[0] = 60;
 162                         list[1] = 120;
 163                         list[2] = 240;
 164                         list[3] = -1;
 165                 }
 166                 conf->basic_rates = list;
 167
 168                 list = os_malloc(9 * sizeof(int));
 169                 if (list) {
 170                         list[0] = 60;
 171                         list[1] = 90;
 172                         list[2] = 120;
 173                         list[3] = 180;
 174                         list[4] = 240;
 175                         list[5] = 360;
 176                         list[6] = 480;
 177                         list[7] = 540;
 178                         list[8] = -1;
 179                 }
 180                 conf->supported_rates = list;
 181         }
 182
 183         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 184         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 185
 186         if (ssid->p2p_group) {
 187                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 188                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 189                           4);
 190                 os_memcpy(bss->ip_addr_start,
 191                           wpa_s->parent->conf->ip_addr_start, 4);
 192                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 193                           4);
 194         }
 195 #endif /* CONFIG_P2P */
 196
 197         if (ssid->ssid_len == 0) {
 198                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 199                 return -1;
 200         }
 201         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 202         bss->ssid.ssid_len = ssid->ssid_len;
 203         bss->ssid.ssid_set = 1;
 204
 205         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 206
 207         if (ssid->auth_alg)
 208                 bss->auth_algs = ssid->auth_alg;
 209
 210         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 211                 bss->wpa = ssid->proto;
 212         bss->wpa_key_mgmt = ssid->key_mgmt;
 213         bss->wpa_pairwise = ssid->pairwise_cipher;
 214         if (ssid->psk_set) {
 215                 os_free(bss->ssid.wpa_psk);
 216                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 217                 if (bss->ssid.wpa_psk == NULL)
 218                         return -1;
 219                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 220                 bss->ssid.wpa_psk->group = 1;
 221         } else if (ssid->passphrase) {
 222                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 223         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 224                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 225                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 226                 int i;
 227                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 228                         if (ssid->wep_key_len[i] == 0)
 229                                 continue;
 230                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 231                         if (wep->key[i] == NULL)
 232                                 return -1;
 233                         os_memcpy(wep->key[i], ssid->wep_key[i],
 234                                   ssid->wep_key_len[i]);
 235                         wep->len[i] = ssid->wep_key_len[i];
 236                 }
 237                 wep->idx = ssid->wep_tx_keyidx;
 238                 wep->keys_set = 1;
 239         }
 240
 241         if (ssid->ap_max_inactivity)
 242                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 243
 244         if (ssid->dtim_period)
 245                 bss->dtim_period = ssid->dtim_period;
 246         else if (wpa_s->conf->dtim_period)
 247                 bss->dtim_period = wpa_s->conf->dtim_period;
 248
 249         if (ssid->beacon_int)
 250                 conf->beacon_int = ssid->beacon_int;
 251         else if (wpa_s->conf->beacon_int)
 252                 conf->beacon_int = wpa_s->conf->beacon_int;
 253
 254         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 255                 bss->rsn_pairwise = bss->wpa_pairwise;
 256         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 257                                                     bss->rsn_pairwise);
 258
 259         if (bss->wpa && bss->ieee802_1x)
 260                 bss->ssid.security_policy = SECURITY_WPA;
 261         else if (bss->wpa)
 262                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 263         else if (bss->ieee802_1x) {
 264                 int cipher = WPA_CIPHER_NONE;
 265                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 266                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 267                 if (bss->default_wep_key_len)
 268                         cipher = bss->default_wep_key_len >= 13 ?
 269                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 270                 bss->wpa_group = cipher;
 271                 bss->wpa_pairwise = cipher;
 272                 bss->rsn_pairwise = cipher;
 273         } else if (bss->ssid.wep.keys_set) {
 274                 int cipher = WPA_CIPHER_WEP40;
 275                 if (bss->ssid.wep.len[0] >= 13)
 276                         cipher = WPA_CIPHER_WEP104;
 277                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 278                 bss->wpa_group = cipher;
 279                 bss->wpa_pairwise = cipher;
 280                 bss->rsn_pairwise = cipher;
 281         } else {
 282                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 283                 bss->wpa_group = WPA_CIPHER_NONE;
 284                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 285                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 286         }
 287
 288         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 289             (bss->wpa_group == WPA_CIPHER_CCMP ||
 290              bss->wpa_group == WPA_CIPHER_GCMP ||
 291              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 292              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 293                 /*
 294                  * Strong ciphers do not need frequent rekeying, so increase
 295                  * the default GTK rekeying period to 24 hours.
 296                  */
 297                 bss->wpa_group_rekey = 86400;
 298         }
 299
 300 #ifdef CONFIG_WPS
 301         /*
 302          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 303          * require user interaction to actually use it. Only the internal
 304          * Registrar is supported.
 305          */
 306         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 307             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 308                 goto no_wps;
 309 #ifdef CONFIG_WPS2
 310         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 311             (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
 312                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 313                               * configuration */
 314 #endif /* CONFIG_WPS2 */
 315         bss->eap_server = 1;
 316
 317         if (!ssid->ignore_broadcast_ssid)
 318                 bss->wps_state = 2;
 319
 320         bss->ap_setup_locked = 2;
 321         if (wpa_s->conf->config_methods)
 322                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 323         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 324                   WPS_DEV_TYPE_LEN);
 325         if (wpa_s->conf->device_name) {
 326                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 327                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 328         }
 329         if (wpa_s->conf->manufacturer)
 330                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 331         if (wpa_s->conf->model_name)
 332                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 333         if (wpa_s->conf->model_number)
 334                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 335         if (wpa_s->conf->serial_number)
 336                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 337         if (is_nil_uuid(wpa_s->conf->uuid))
 338                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 339         else
 340                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 341         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 342         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 343 no_wps:
 344 #endif /* CONFIG_WPS */
 345
 346         if (wpa_s->max_stations &&
 347             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 348                 bss->max_num_sta = wpa_s->max_stations;
 349         else
 350                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 351
 352         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 353
 354         if (wpa_s->conf->ap_vendor_elements) {
 355                 bss->vendor_elements =
 356                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 357         }
 358
 359         return 0;
 360 }
 361
 362
 363 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 364 {
 365 #ifdef CONFIG_P2P
 366         struct wpa_supplicant *wpa_s = ctx;
 367         const struct ieee80211_mgmt *mgmt;
 368         size_t hdr_len;
 369
 370         mgmt = (const struct ieee80211_mgmt *) buf;
 371         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 372         if (hdr_len > len)
 373                 return;
 374         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 375                 return;
 376         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 377                            mgmt->u.action.category,
 378                            &mgmt->u.action.u.vs_public_action.action,
 379                            len - hdr_len, freq);
 380 #endif /* CONFIG_P2P */
 381 }
 382
 383
 384 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 385                             union wps_event_data *data)
 386 {
 387 #ifdef CONFIG_P2P
 388         struct wpa_supplicant *wpa_s = ctx;
 389
 390         if (event == WPS_EV_FAIL) {
 391                 struct wps_event_fail *fail = &data->fail;
 392
 393                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 394                     wpa_s == wpa_s->global->p2p_group_formation) {
 395                         /*
 396                          * src/ap/wps_hostapd.c has already sent this on the
 397                          * main interface, so only send on the parent interface
 398                          * here if needed.
 399                          */
 400                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 401                                 "msg=%d config_error=%d",
 402                                 fail->msg, fail->config_error);
 403                 }
 404                 wpas_p2p_wps_failed(wpa_s, fail);
 405         }
 406 #endif /* CONFIG_P2P */
 407 }
 408
 409
 410 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 411                                  int authorized, const u8 *p2p_dev_addr)
 412 {
 413         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 414 }
 415
 416
 417 #ifdef CONFIG_P2P
 418 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 419                           const u8 *psk, size_t psk_len)
 420 {
 421
 422         struct wpa_supplicant *wpa_s = ctx;
 423         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 424                 return;
 425         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 426 }
 427 #endif /* CONFIG_P2P */
 428
 429
 430 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 431 {
 432 #ifdef CONFIG_P2P
 433         struct wpa_supplicant *wpa_s = ctx;
 434         const struct ieee80211_mgmt *mgmt;
 435         size_t hdr_len;
 436
 437         mgmt = (const struct ieee80211_mgmt *) buf;
 438         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 439         if (hdr_len > len)
 440                 return -1;
 441         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 442                            mgmt->u.action.category,
 443                            &mgmt->u.action.u.vs_public_action.action,
 444                            len - hdr_len, freq);
 445 #endif /* CONFIG_P2P */
 446         return 0;
 447 }
 448
 449
 450 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 451                            const u8 *bssid, const u8 *ie, size_t ie_len,
 452                            int ssi_signal)
 453 {
 454 #ifdef CONFIG_P2P
 455         struct wpa_supplicant *wpa_s = ctx;
 456         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 457                                      ssi_signal);
 458 #else /* CONFIG_P2P */
 459         return 0;
 460 #endif /* CONFIG_P2P */
 461 }
 462
 463
 464 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 465                                   const u8 *uuid_e)
 466 {
 467 #ifdef CONFIG_P2P
 468         struct wpa_supplicant *wpa_s = ctx;
 469         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 470 #endif /* CONFIG_P2P */
 471 }
 472
 473
 474 static void wpas_ap_configured_cb(void *ctx)
 475 {
 476         struct wpa_supplicant *wpa_s = ctx;
 477
 478         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 479
 480         if (wpa_s->ap_configured_cb)
 481                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 482                                         wpa_s->ap_configured_cb_data);
 483 }
 484
 485
 486 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 487                              struct wpa_ssid *ssid)
 488 {
 489         struct wpa_driver_associate_params params;
 490         struct hostapd_iface *hapd_iface;
 491         struct hostapd_config *conf;
 492         size_t i;
 493
 494         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 495                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 496                 return -1;
 497         }
 498
 499         wpa_supplicant_ap_deinit(wpa_s);
 500
 501         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 502                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 503
 504         os_memset(&params, 0, sizeof(params));
 505         params.ssid = ssid->ssid;
 506         params.ssid_len = ssid->ssid_len;
 507         switch (ssid->mode) {
 508         case WPAS_MODE_AP:
 509         case WPAS_MODE_P2P_GO:
 510         case WPAS_MODE_P2P_GROUP_FORMATION:
 511                 params.mode = IEEE80211_MODE_AP;
 512                 break;
 513         default:
 514                 return -1;
 515         }
 516         if (ssid->frequency == 0)
 517                 ssid->frequency = 2462; /* default channel 11 */
 518         params.freq = ssid->frequency;
 519
 520         params.wpa_proto = ssid->proto;
 521         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 522                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 523         else
 524                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 525         params.key_mgmt_suite = wpa_s->key_mgmt;
 526
 527         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 528                                                           1);
 529         if (wpa_s->pairwise_cipher < 0) {
 530                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 531                            "cipher.");
 532                 return -1;
 533         }
 534         params.pairwise_suite = wpa_s->pairwise_cipher;
 535         params.group_suite = params.pairwise_suite;
 536
 537 #ifdef CONFIG_P2P
 538         if (ssid->mode == WPAS_MODE_P2P_GO ||
 539             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 540                 params.p2p = 1;
 541 #endif /* CONFIG_P2P */
 542
 543         if (wpa_s->parent->set_ap_uapsd)
 544                 params.uapsd = wpa_s->parent->ap_uapsd;
 545         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 546                 params.uapsd = 1; /* mandatory for P2P GO */
 547         else
 548                 params.uapsd = -1;
 549
 550         if (wpa_drv_associate(wpa_s, &params) < 0) {
 551                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 552                 return -1;
 553         }
 554
 555         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 556         if (hapd_iface == NULL)
 557                 return -1;
 558         hapd_iface->owner = wpa_s;
 559         hapd_iface->drv_flags = wpa_s->drv_flags;
 560         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 561         hapd_iface->extended_capa = wpa_s->extended_capa;
 562         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 563         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 564
 565         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 566         if (conf == NULL) {
 567                 wpa_supplicant_ap_deinit(wpa_s);
 568                 return -1;
 569         }
 570
 571         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 572                   wpa_s->conf->wmm_ac_params,
 573                   sizeof(wpa_s->conf->wmm_ac_params));
 574
 575         if (params.uapsd > 0) {
 576                 conf->bss[0]->wmm_enabled = 1;
 577                 conf->bss[0]->wmm_uapsd = 1;
 578         }
 579
 580         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 581                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 582                 wpa_supplicant_ap_deinit(wpa_s);
 583                 return -1;
 584         }
 585
 586 #ifdef CONFIG_P2P
 587         if (ssid->mode == WPAS_MODE_P2P_GO)
 588                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 589         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 590                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 591                         P2P_GROUP_FORMATION;
 592 #endif /* CONFIG_P2P */
 593
 594         hapd_iface->num_bss = conf->num_bss;
 595         hapd_iface->bss = os_calloc(conf->num_bss,
 596                                     sizeof(struct hostapd_data *));
 597         if (hapd_iface->bss == NULL) {
 598                 wpa_supplicant_ap_deinit(wpa_s);
 599                 return -1;
 600         }
 601
 602         for (i = 0; i < conf->num_bss; i++) {
 603                 hapd_iface->bss[i] =
 604                         hostapd_alloc_bss_data(hapd_iface, conf,
 605                                                conf->bss[i]);
 606                 if (hapd_iface->bss[i] == NULL) {
 607                         wpa_supplicant_ap_deinit(wpa_s);
 608                         return -1;
 609                 }
 610
 611                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 612                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 613                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 614                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 615                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 616                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 617                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 618                                              ap_probe_req_rx, wpa_s);
 619                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 620                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 621                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 622                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 623                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 624                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 625 #ifdef CONFIG_P2P
 626                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 627                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 628                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 629                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 630                                                                     ssid);
 631 #endif /* CONFIG_P2P */
 632                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 633                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 634         }
 635
 636         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 637         hapd_iface->bss[0]->driver = wpa_s->driver;
 638         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 639
 640         wpa_s->current_ssid = ssid;
 641         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 642         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 643         wpa_s->assoc_freq = ssid->frequency;
 644
 645         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 646                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 647                 wpa_supplicant_ap_deinit(wpa_s);
 648                 return -1;
 649         }
 650
 651         return 0;
 652 }
 653
 654
 655 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 656 {
 657 #ifdef CONFIG_WPS
 658         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 659 #endif /* CONFIG_WPS */
 660
 661         if (wpa_s->ap_iface == NULL)
 662                 return;
 663
 664         wpa_s->current_ssid = NULL;
 665         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 666         wpa_s->assoc_freq = 0;
 667 #ifdef CONFIG_P2P
 668         if (wpa_s->ap_iface->bss)
 669                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 670         wpas_p2p_group_deinit(wpa_s);
 671 #endif /* CONFIG_P2P */
 672         hostapd_interface_deinit(wpa_s->ap_iface);
 673         hostapd_interface_free(wpa_s->ap_iface);
 674         wpa_s->ap_iface = NULL;
 675         wpa_drv_deinit_ap(wpa_s);
 676 }
 677
 678
 679 void ap_tx_status(void *ctx, const u8 *addr,
 680                   const u8 *buf, size_t len, int ack)
 681 {
 682 #ifdef NEED_AP_MLME
 683         struct wpa_supplicant *wpa_s = ctx;
 684         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 685 #endif /* NEED_AP_MLME */
 686 }
 687
 688
 689 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 690                         const u8 *data, size_t len, int ack)
 691 {
 692 #ifdef NEED_AP_MLME
 693         struct wpa_supplicant *wpa_s = ctx;
 694         if (!wpa_s->ap_iface)
 695                 return;
 696         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 697 #endif /* NEED_AP_MLME */
 698 }
 699
 700
 701 void ap_client_poll_ok(void *ctx, const u8 *addr)
 702 {
 703 #ifdef NEED_AP_MLME
 704         struct wpa_supplicant *wpa_s = ctx;
 705         if (wpa_s->ap_iface)
 706                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 707 #endif /* NEED_AP_MLME */
 708 }
 709
 710
 711 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 712 {
 713 #ifdef NEED_AP_MLME
 714         struct wpa_supplicant *wpa_s = ctx;
 715         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 716 #endif /* NEED_AP_MLME */
 717 }
 718
 719
 720 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 721 {
 722 #ifdef NEED_AP_MLME
 723         struct wpa_supplicant *wpa_s = ctx;
 724         struct hostapd_frame_info fi;
 725         os_memset(&fi, 0, sizeof(fi));
 726         fi.datarate = rx_mgmt->datarate;
 727         fi.ssi_signal = rx_mgmt->ssi_signal;
 728         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 729                         rx_mgmt->frame_len, &fi);
 730 #endif /* NEED_AP_MLME */
 731 }
 732
 733
 734 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 735 {
 736 #ifdef NEED_AP_MLME
 737         struct wpa_supplicant *wpa_s = ctx;
 738         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 739 #endif /* NEED_AP_MLME */
 740 }
 741
 742
 743 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 744                                 const u8 *src_addr, const u8 *buf, size_t len)
 745 {
 746         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 747 }
 748
 749
 750 #ifdef CONFIG_WPS
 751
 752 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 753                               const u8 *p2p_dev_addr)
 754 {
 755         if (!wpa_s->ap_iface)
 756                 return -1;
 757         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 758                                          p2p_dev_addr);
 759 }
 760
 761
 762 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 763 {
 764         struct wps_registrar *reg;
 765         int reg_sel = 0, wps_sta = 0;
 766
 767         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 768                 return -1;
 769
 770         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 771         reg_sel = wps_registrar_wps_cancel(reg);
 772         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 773                                   ap_sta_wps_cancel, NULL);
 774
 775         if (!reg_sel && !wps_sta) {
 776                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 777                            "time");
 778                 return -1;
 779         }
 780
 781         /*
 782          * There are 2 cases to return wps cancel as success:
 783          * 1. When wps cancel was initiated but no connection has been
 784          *    established with client yet.
 785          * 2. Client is in the middle of exchanging WPS messages.
 786          */
 787
 788         return 0;
 789 }
 790
 791
 792 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 793                               const char *pin, char *buf, size_t buflen,
 794                               int timeout)
 795 {
 796         int ret, ret_len = 0;
 797
 798         if (!wpa_s->ap_iface)
 799                 return -1;
 800
 801         if (pin == NULL) {
 802                 unsigned int rpin = wps_generate_pin();
 803                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 804                 pin = buf;
 805         } else
 806                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 807
 808         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 809                                   timeout);
 810         if (ret)
 811                 return -1;
 812         return ret_len;
 813 }
 814
 815
 816 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 817 {
 818         struct wpa_supplicant *wpa_s = eloop_data;
 819         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 820         wpas_wps_ap_pin_disable(wpa_s);
 821 }
 822
 823
 824 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 825 {
 826         struct hostapd_data *hapd;
 827
 828         if (wpa_s->ap_iface == NULL)
 829                 return;
 830         hapd = wpa_s->ap_iface->bss[0];
 831         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 832         hapd->ap_pin_failures = 0;
 833         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 834         if (timeout > 0)
 835                 eloop_register_timeout(timeout, 0,
 836                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 837 }
 838
 839
 840 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 841 {
 842         struct hostapd_data *hapd;
 843
 844         if (wpa_s->ap_iface == NULL)
 845                 return;
 846         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 847         hapd = wpa_s->ap_iface->bss[0];
 848         os_free(hapd->conf->ap_pin);
 849         hapd->conf->ap_pin = NULL;
 850         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 851 }
 852
 853
 854 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 855 {
 856         struct hostapd_data *hapd;
 857         unsigned int pin;
 858         char pin_txt[9];
 859
 860         if (wpa_s->ap_iface == NULL)
 861                 return NULL;
 862         hapd = wpa_s->ap_iface->bss[0];
 863         pin = wps_generate_pin();
 864         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 865         os_free(hapd->conf->ap_pin);
 866         hapd->conf->ap_pin = os_strdup(pin_txt);
 867         if (hapd->conf->ap_pin == NULL)
 868                 return NULL;
 869         wpas_wps_ap_pin_enable(wpa_s, timeout);
 870
 871         return hapd->conf->ap_pin;
 872 }
 873
 874
 875 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 876 {
 877         struct hostapd_data *hapd;
 878         if (wpa_s->ap_iface == NULL)
 879                 return NULL;
 880         hapd = wpa_s->ap_iface->bss[0];
 881         return hapd->conf->ap_pin;
 882 }
 883
 884
 885 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 886                         int timeout)
 887 {
 888         struct hostapd_data *hapd;
 889         char pin_txt[9];
 890         int ret;
 891
 892         if (wpa_s->ap_iface == NULL)
 893                 return -1;
 894         hapd = wpa_s->ap_iface->bss[0];
 895         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 896         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 897                 return -1;
 898         os_free(hapd->conf->ap_pin);
 899         hapd->conf->ap_pin = os_strdup(pin_txt);
 900         if (hapd->conf->ap_pin == NULL)
 901                 return -1;
 902         wpas_wps_ap_pin_enable(wpa_s, timeout);
 903
 904         return 0;
 905 }
 906
 907
 908 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 909 {
 910         struct hostapd_data *hapd;
 911
 912         if (wpa_s->ap_iface == NULL)
 913                 return;
 914         hapd = wpa_s->ap_iface->bss[0];
 915
 916         /*
 917          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 918          * PIN if this happens multiple times to slow down brute force attacks.
 919          */
 920         hapd->ap_pin_failures++;
 921         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 922                    hapd->ap_pin_failures);
 923         if (hapd->ap_pin_failures < 3)
 924                 return;
 925
 926         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 927         hapd->ap_pin_failures = 0;
 928         os_free(hapd->conf->ap_pin);
 929         hapd->conf->ap_pin = NULL;
 930 }
 931
 932
 933 #ifdef CONFIG_WPS_NFC
 934
 935 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 936                                              int ndef)
 937 {
 938         struct hostapd_data *hapd;
 939
 940         if (wpa_s->ap_iface == NULL)
 941                 return NULL;
 942         hapd = wpa_s->ap_iface->bss[0];
 943         return hostapd_wps_nfc_config_token(hapd, ndef);
 944 }
 945
 946
 947 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 948                                              int ndef)
 949 {
 950         struct hostapd_data *hapd;
 951
 952         if (wpa_s->ap_iface == NULL)
 953                 return NULL;
 954         hapd = wpa_s->ap_iface->bss[0];
 955         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 956 }
 957
 958
 959 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 960                                     const struct wpabuf *req,
 961                                     const struct wpabuf *sel)
 962 {
 963         struct hostapd_data *hapd;
 964
 965         if (wpa_s->ap_iface == NULL)
 966                 return -1;
 967         hapd = wpa_s->ap_iface->bss[0];
 968         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 969 }
 970
 971 #endif /* CONFIG_WPS_NFC */
 972
 973 #endif /* CONFIG_WPS */
 974
 975
 976 #ifdef CONFIG_CTRL_IFACE
 977
 978 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 979                             char *buf, size_t buflen)
 980 {
 981         if (wpa_s->ap_iface == NULL)
 982                 return -1;
 983         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 984                                             buf, buflen);
 985 }
 986
 987
 988 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 989                       char *buf, size_t buflen)
 990 {
 991         if (wpa_s->ap_iface == NULL)
 992                 return -1;
 993         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
 994                                       buf, buflen);
 995 }
 996
 997
 998 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
 999                            char *buf, size_t buflen)
1000 {
1001         if (wpa_s->ap_iface == NULL)
1002                 return -1;
1003         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1004                                            buf, buflen);
1005 }
1006
1007
1008 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1009                                    const char *txtaddr)
1010 {
1011         if (wpa_s->ap_iface == NULL)
1012                 return -1;
1013         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1014                                                txtaddr);
1015 }
1016
1017
1018 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1019                                      const char *txtaddr)
1020 {
1021         if (wpa_s->ap_iface == NULL)
1022                 return -1;
1023         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1024                                                  txtaddr);
1025 }
1026
1027
1028 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1029                                  size_t buflen, int verbose)
1030 {
1031         char *pos = buf, *end = buf + buflen;
1032         int ret;
1033         struct hostapd_bss_config *conf;
1034
1035         if (wpa_s->ap_iface == NULL)
1036                 return -1;
1037
1038         conf = wpa_s->ap_iface->bss[0]->conf;
1039         if (conf->wpa == 0)
1040                 return 0;
1041
1042         ret = os_snprintf(pos, end - pos,
1043                           "pairwise_cipher=%s\n"
1044                           "group_cipher=%s\n"
1045                           "key_mgmt=%s\n",
1046                           wpa_cipher_txt(conf->rsn_pairwise),
1047                           wpa_cipher_txt(conf->wpa_group),
1048                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1049                                            conf->wpa));
1050         if (ret < 0 || ret >= end - pos)
1051                 return pos - buf;
1052         pos += ret;
1053         return pos - buf;
1054 }
1055
1056 #endif /* CONFIG_CTRL_IFACE */
1057
1058
1059 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1060 {
1061         struct hostapd_iface *iface = wpa_s->ap_iface;
1062         struct wpa_ssid *ssid = wpa_s->current_ssid;
1063         struct hostapd_data *hapd;
1064
1065         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1066             ssid->mode == WPAS_MODE_INFRA ||
1067             ssid->mode == WPAS_MODE_IBSS)
1068                 return -1;
1069
1070 #ifdef CONFIG_P2P
1071         if (ssid->mode == WPAS_MODE_P2P_GO)
1072                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1073         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1074                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1075                         P2P_GROUP_FORMATION;
1076 #endif /* CONFIG_P2P */
1077
1078         hapd = iface->bss[0];
1079         if (hapd->drv_priv == NULL)
1080                 return -1;
1081         ieee802_11_set_beacons(iface);
1082         hostapd_set_ap_wps_ie(hapd);
1083
1084         return 0;
1085 }
1086
1087
1088 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1089                       struct csa_settings *settings)
1090 {
1091 #ifdef NEED_AP_MLME
1092         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1093                 return -1;
1094
1095         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1096 #else /* NEED_AP_MLME */
1097         return -1;
1098 #endif /* NEED_AP_MLME */
1099 }
1100
1101
1102 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1103 {
1104         struct csa_settings settings;
1105         int ret = hostapd_parse_csa_settings(pos, &settings);
1106
1107         if (ret)
1108                 return ret;
1109
1110         return ap_switch_channel(wpa_s, &settings);
1111 }
1112
1113
1114 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1115                        int offset, int width, int cf1, int cf2)
1116 {
1117         if (!wpa_s->ap_iface)
1118                 return;
1119
1120         wpa_s->assoc_freq = freq;
1121         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1122 }
1123
1124
1125 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1126                                       const u8 *addr)
1127 {
1128         struct hostapd_data *hapd;
1129         struct hostapd_bss_config *conf;
1130
1131         if (!wpa_s->ap_iface)
1132                 return -1;
1133
1134         if (addr)
1135                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1136                            MAC2STR(addr));
1137         else
1138                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1139
1140         hapd = wpa_s->ap_iface->bss[0];
1141         conf = hapd->conf;
1142
1143         os_free(conf->accept_mac);
1144         conf->accept_mac = NULL;
1145         conf->num_accept_mac = 0;
1146         os_free(conf->deny_mac);
1147         conf->deny_mac = NULL;
1148         conf->num_deny_mac = 0;
1149
1150         if (addr == NULL) {
1151                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1152                 return 0;
1153         }
1154
1155         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1156         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1157         if (conf->accept_mac == NULL)
1158                 return -1;
1159         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1160         conf->num_accept_mac = 1;
1161
1162         return 0;
1163 }
1164
1165
1166 #ifdef CONFIG_WPS_NFC
1167 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1168                            const struct wpabuf *pw, const u8 *pubkey_hash)
1169 {
1170         struct hostapd_data *hapd;
1171         struct wps_context *wps;
1172
1173         if (!wpa_s->ap_iface)
1174                 return -1;
1175         hapd = wpa_s->ap_iface->bss[0];
1176         wps = hapd->wps;
1177
1178         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1179             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1180                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1181                 return -1;
1182         }
1183
1184         dh5_free(wps->dh_ctx);
1185         wpabuf_free(wps->dh_pubkey);
1186         wpabuf_free(wps->dh_privkey);
1187         wps->dh_privkey = wpabuf_dup(
1188                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1189         wps->dh_pubkey = wpabuf_dup(
1190                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1191         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1192                 wps->dh_ctx = NULL;
1193                 wpabuf_free(wps->dh_pubkey);
1194                 wps->dh_pubkey = NULL;
1195                 wpabuf_free(wps->dh_privkey);
1196                 wps->dh_privkey = NULL;
1197                 return -1;
1198         }
1199         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1200         if (wps->dh_ctx == NULL)
1201                 return -1;
1202
1203         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1204                                               pw_id,
1205                                               pw ? wpabuf_head(pw) : NULL,
1206                                               pw ? wpabuf_len(pw) : 0, 1);
1207 }
1208 #endif /* CONFIG_WPS_NFC */