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_INFRA:
 509                 params.mode = IEEE80211_MODE_INFRA;
 510                 break;
 511         case WPAS_MODE_IBSS:
 512                 params.mode = IEEE80211_MODE_IBSS;
 513                 break;
 514         case WPAS_MODE_AP:
 515         case WPAS_MODE_P2P_GO:
 516         case WPAS_MODE_P2P_GROUP_FORMATION:
 517                 params.mode = IEEE80211_MODE_AP;
 518                 break;
 519         }
 520         if (ssid->frequency == 0)
 521                 ssid->frequency = 2462; /* default channel 11 */
 522         params.freq = ssid->frequency;
 523
 524         params.wpa_proto = ssid->proto;
 525         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 526                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 527         else
 528                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 529         params.key_mgmt_suite = wpa_s->key_mgmt;
 530
 531         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 532                                                           1);
 533         if (wpa_s->pairwise_cipher < 0) {
 534                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 535                            "cipher.");
 536                 return -1;
 537         }
 538         params.pairwise_suite = wpa_s->pairwise_cipher;
 539         params.group_suite = params.pairwise_suite;
 540
 541 #ifdef CONFIG_P2P
 542         if (ssid->mode == WPAS_MODE_P2P_GO ||
 543             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 544                 params.p2p = 1;
 545 #endif /* CONFIG_P2P */
 546
 547         if (wpa_s->parent->set_ap_uapsd)
 548                 params.uapsd = wpa_s->parent->ap_uapsd;
 549         else
 550                 params.uapsd = -1;
 551
 552         if (wpa_drv_associate(wpa_s, &params) < 0) {
 553                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 554                 return -1;
 555         }
 556
 557         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 558         if (hapd_iface == NULL)
 559                 return -1;
 560         hapd_iface->owner = wpa_s;
 561         hapd_iface->drv_flags = wpa_s->drv_flags;
 562         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 563         hapd_iface->extended_capa = wpa_s->extended_capa;
 564         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 565         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 566
 567         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 568         if (conf == NULL) {
 569                 wpa_supplicant_ap_deinit(wpa_s);
 570                 return -1;
 571         }
 572
 573         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 574                   wpa_s->conf->wmm_ac_params,
 575                   sizeof(wpa_s->conf->wmm_ac_params));
 576
 577         if (params.uapsd > 0) {
 578                 conf->bss[0]->wmm_enabled = 1;
 579                 conf->bss[0]->wmm_uapsd = 1;
 580         }
 581
 582         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 583                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 584                 wpa_supplicant_ap_deinit(wpa_s);
 585                 return -1;
 586         }
 587
 588 #ifdef CONFIG_P2P
 589         if (ssid->mode == WPAS_MODE_P2P_GO)
 590                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 591         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 592                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 593                         P2P_GROUP_FORMATION;
 594 #endif /* CONFIG_P2P */
 595
 596         hapd_iface->num_bss = conf->num_bss;
 597         hapd_iface->bss = os_calloc(conf->num_bss,
 598                                     sizeof(struct hostapd_data *));
 599         if (hapd_iface->bss == NULL) {
 600                 wpa_supplicant_ap_deinit(wpa_s);
 601                 return -1;
 602         }
 603
 604         for (i = 0; i < conf->num_bss; i++) {
 605                 hapd_iface->bss[i] =
 606                         hostapd_alloc_bss_data(hapd_iface, conf,
 607                                                conf->bss[i]);
 608                 if (hapd_iface->bss[i] == NULL) {
 609                         wpa_supplicant_ap_deinit(wpa_s);
 610                         return -1;
 611                 }
 612
 613                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 614                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 615                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 616                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 617                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 618                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 619                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 620                                              ap_probe_req_rx, wpa_s);
 621                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 622                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 623                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 624                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 625                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 626                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 627 #ifdef CONFIG_P2P
 628                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 629                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 630                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 631                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 632                                                                     ssid);
 633 #endif /* CONFIG_P2P */
 634                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 635                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 636         }
 637
 638         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 639         hapd_iface->bss[0]->driver = wpa_s->driver;
 640         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 641
 642         wpa_s->current_ssid = ssid;
 643         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 644         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 645         wpa_s->assoc_freq = ssid->frequency;
 646
 647         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 648                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 649                 wpa_supplicant_ap_deinit(wpa_s);
 650                 return -1;
 651         }
 652
 653         return 0;
 654 }
 655
 656
 657 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 658 {
 659 #ifdef CONFIG_WPS
 660         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 661 #endif /* CONFIG_WPS */
 662
 663         if (wpa_s->ap_iface == NULL)
 664                 return;
 665
 666         wpa_s->current_ssid = NULL;
 667         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 668         wpa_s->assoc_freq = 0;
 669 #ifdef CONFIG_P2P
 670         if (wpa_s->ap_iface->bss)
 671                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 672         wpas_p2p_group_deinit(wpa_s);
 673 #endif /* CONFIG_P2P */
 674         hostapd_interface_deinit(wpa_s->ap_iface);
 675         hostapd_interface_free(wpa_s->ap_iface);
 676         wpa_s->ap_iface = NULL;
 677         wpa_drv_deinit_ap(wpa_s);
 678 }
 679
 680
 681 void ap_tx_status(void *ctx, const u8 *addr,
 682                   const u8 *buf, size_t len, int ack)
 683 {
 684 #ifdef NEED_AP_MLME
 685         struct wpa_supplicant *wpa_s = ctx;
 686         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 687 #endif /* NEED_AP_MLME */
 688 }
 689
 690
 691 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 692                         const u8 *data, size_t len, int ack)
 693 {
 694 #ifdef NEED_AP_MLME
 695         struct wpa_supplicant *wpa_s = ctx;
 696         if (!wpa_s->ap_iface)
 697                 return;
 698         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 699 #endif /* NEED_AP_MLME */
 700 }
 701
 702
 703 void ap_client_poll_ok(void *ctx, const u8 *addr)
 704 {
 705 #ifdef NEED_AP_MLME
 706         struct wpa_supplicant *wpa_s = ctx;
 707         if (wpa_s->ap_iface)
 708                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 709 #endif /* NEED_AP_MLME */
 710 }
 711
 712
 713 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 714 {
 715 #ifdef NEED_AP_MLME
 716         struct wpa_supplicant *wpa_s = ctx;
 717         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 718 #endif /* NEED_AP_MLME */
 719 }
 720
 721
 722 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 723 {
 724 #ifdef NEED_AP_MLME
 725         struct wpa_supplicant *wpa_s = ctx;
 726         struct hostapd_frame_info fi;
 727         os_memset(&fi, 0, sizeof(fi));
 728         fi.datarate = rx_mgmt->datarate;
 729         fi.ssi_signal = rx_mgmt->ssi_signal;
 730         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 731                         rx_mgmt->frame_len, &fi);
 732 #endif /* NEED_AP_MLME */
 733 }
 734
 735
 736 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 737 {
 738 #ifdef NEED_AP_MLME
 739         struct wpa_supplicant *wpa_s = ctx;
 740         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 741 #endif /* NEED_AP_MLME */
 742 }
 743
 744
 745 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 746                                 const u8 *src_addr, const u8 *buf, size_t len)
 747 {
 748         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 749 }
 750
 751
 752 #ifdef CONFIG_WPS
 753
 754 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 755                               const u8 *p2p_dev_addr)
 756 {
 757         if (!wpa_s->ap_iface)
 758                 return -1;
 759         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 760                                          p2p_dev_addr);
 761 }
 762
 763
 764 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 765 {
 766         struct wps_registrar *reg;
 767         int reg_sel = 0, wps_sta = 0;
 768
 769         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 770                 return -1;
 771
 772         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 773         reg_sel = wps_registrar_wps_cancel(reg);
 774         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 775                                   ap_sta_wps_cancel, NULL);
 776
 777         if (!reg_sel && !wps_sta) {
 778                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 779                            "time");
 780                 return -1;
 781         }
 782
 783         /*
 784          * There are 2 cases to return wps cancel as success:
 785          * 1. When wps cancel was initiated but no connection has been
 786          *    established with client yet.
 787          * 2. Client is in the middle of exchanging WPS messages.
 788          */
 789
 790         return 0;
 791 }
 792
 793
 794 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 795                               const char *pin, char *buf, size_t buflen,
 796                               int timeout)
 797 {
 798         int ret, ret_len = 0;
 799
 800         if (!wpa_s->ap_iface)
 801                 return -1;
 802
 803         if (pin == NULL) {
 804                 unsigned int rpin = wps_generate_pin();
 805                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 806                 pin = buf;
 807         } else
 808                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 809
 810         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 811                                   timeout);
 812         if (ret)
 813                 return -1;
 814         return ret_len;
 815 }
 816
 817
 818 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 819 {
 820         struct wpa_supplicant *wpa_s = eloop_data;
 821         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 822         wpas_wps_ap_pin_disable(wpa_s);
 823 }
 824
 825
 826 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 827 {
 828         struct hostapd_data *hapd;
 829
 830         if (wpa_s->ap_iface == NULL)
 831                 return;
 832         hapd = wpa_s->ap_iface->bss[0];
 833         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 834         hapd->ap_pin_failures = 0;
 835         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 836         if (timeout > 0)
 837                 eloop_register_timeout(timeout, 0,
 838                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 839 }
 840
 841
 842 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 843 {
 844         struct hostapd_data *hapd;
 845
 846         if (wpa_s->ap_iface == NULL)
 847                 return;
 848         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 849         hapd = wpa_s->ap_iface->bss[0];
 850         os_free(hapd->conf->ap_pin);
 851         hapd->conf->ap_pin = NULL;
 852         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 853 }
 854
 855
 856 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 857 {
 858         struct hostapd_data *hapd;
 859         unsigned int pin;
 860         char pin_txt[9];
 861
 862         if (wpa_s->ap_iface == NULL)
 863                 return NULL;
 864         hapd = wpa_s->ap_iface->bss[0];
 865         pin = wps_generate_pin();
 866         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 867         os_free(hapd->conf->ap_pin);
 868         hapd->conf->ap_pin = os_strdup(pin_txt);
 869         if (hapd->conf->ap_pin == NULL)
 870                 return NULL;
 871         wpas_wps_ap_pin_enable(wpa_s, timeout);
 872
 873         return hapd->conf->ap_pin;
 874 }
 875
 876
 877 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 878 {
 879         struct hostapd_data *hapd;
 880         if (wpa_s->ap_iface == NULL)
 881                 return NULL;
 882         hapd = wpa_s->ap_iface->bss[0];
 883         return hapd->conf->ap_pin;
 884 }
 885
 886
 887 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 888                         int timeout)
 889 {
 890         struct hostapd_data *hapd;
 891         char pin_txt[9];
 892         int ret;
 893
 894         if (wpa_s->ap_iface == NULL)
 895                 return -1;
 896         hapd = wpa_s->ap_iface->bss[0];
 897         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 898         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 899                 return -1;
 900         os_free(hapd->conf->ap_pin);
 901         hapd->conf->ap_pin = os_strdup(pin_txt);
 902         if (hapd->conf->ap_pin == NULL)
 903                 return -1;
 904         wpas_wps_ap_pin_enable(wpa_s, timeout);
 905
 906         return 0;
 907 }
 908
 909
 910 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 911 {
 912         struct hostapd_data *hapd;
 913
 914         if (wpa_s->ap_iface == NULL)
 915                 return;
 916         hapd = wpa_s->ap_iface->bss[0];
 917
 918         /*
 919          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 920          * PIN if this happens multiple times to slow down brute force attacks.
 921          */
 922         hapd->ap_pin_failures++;
 923         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 924                    hapd->ap_pin_failures);
 925         if (hapd->ap_pin_failures < 3)
 926                 return;
 927
 928         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 929         hapd->ap_pin_failures = 0;
 930         os_free(hapd->conf->ap_pin);
 931         hapd->conf->ap_pin = NULL;
 932 }
 933
 934
 935 #ifdef CONFIG_WPS_NFC
 936
 937 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 938                                              int ndef)
 939 {
 940         struct hostapd_data *hapd;
 941
 942         if (wpa_s->ap_iface == NULL)
 943                 return NULL;
 944         hapd = wpa_s->ap_iface->bss[0];
 945         return hostapd_wps_nfc_config_token(hapd, ndef);
 946 }
 947
 948
 949 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 950                                              int ndef)
 951 {
 952         struct hostapd_data *hapd;
 953
 954         if (wpa_s->ap_iface == NULL)
 955                 return NULL;
 956         hapd = wpa_s->ap_iface->bss[0];
 957         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 958 }
 959
 960
 961 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 962                                     const struct wpabuf *req,
 963                                     const struct wpabuf *sel)
 964 {
 965         struct hostapd_data *hapd;
 966
 967         if (wpa_s->ap_iface == NULL)
 968                 return -1;
 969         hapd = wpa_s->ap_iface->bss[0];
 970         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 971 }
 972
 973 #endif /* CONFIG_WPS_NFC */
 974
 975 #endif /* CONFIG_WPS */
 976
 977
 978 #ifdef CONFIG_CTRL_IFACE
 979
 980 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 981                             char *buf, size_t buflen)
 982 {
 983         if (wpa_s->ap_iface == NULL)
 984                 return -1;
 985         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 986                                             buf, buflen);
 987 }
 988
 989
 990 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 991                       char *buf, size_t buflen)
 992 {
 993         if (wpa_s->ap_iface == NULL)
 994                 return -1;
 995         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
 996                                       buf, buflen);
 997 }
 998
 999
1000 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1001                            char *buf, size_t buflen)
1002 {
1003         if (wpa_s->ap_iface == NULL)
1004                 return -1;
1005         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1006                                            buf, buflen);
1007 }
1008
1009
1010 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1011                                    const char *txtaddr)
1012 {
1013         if (wpa_s->ap_iface == NULL)
1014                 return -1;
1015         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1016                                                txtaddr);
1017 }
1018
1019
1020 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1021                                      const char *txtaddr)
1022 {
1023         if (wpa_s->ap_iface == NULL)
1024                 return -1;
1025         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1026                                                  txtaddr);
1027 }
1028
1029
1030 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1031                                  size_t buflen, int verbose)
1032 {
1033         char *pos = buf, *end = buf + buflen;
1034         int ret;
1035         struct hostapd_bss_config *conf;
1036
1037         if (wpa_s->ap_iface == NULL)
1038                 return -1;
1039
1040         conf = wpa_s->ap_iface->bss[0]->conf;
1041         if (conf->wpa == 0)
1042                 return 0;
1043
1044         ret = os_snprintf(pos, end - pos,
1045                           "pairwise_cipher=%s\n"
1046                           "group_cipher=%s\n"
1047                           "key_mgmt=%s\n",
1048                           wpa_cipher_txt(conf->rsn_pairwise),
1049                           wpa_cipher_txt(conf->wpa_group),
1050                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1051                                            conf->wpa));
1052         if (ret < 0 || ret >= end - pos)
1053                 return pos - buf;
1054         pos += ret;
1055         return pos - buf;
1056 }
1057
1058 #endif /* CONFIG_CTRL_IFACE */
1059
1060
1061 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1062 {
1063         struct hostapd_iface *iface = wpa_s->ap_iface;
1064         struct wpa_ssid *ssid = wpa_s->current_ssid;
1065         struct hostapd_data *hapd;
1066
1067         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1068             ssid->mode == WPAS_MODE_INFRA ||
1069             ssid->mode == WPAS_MODE_IBSS)
1070                 return -1;
1071
1072 #ifdef CONFIG_P2P
1073         if (ssid->mode == WPAS_MODE_P2P_GO)
1074                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1075         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1076                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1077                         P2P_GROUP_FORMATION;
1078 #endif /* CONFIG_P2P */
1079
1080         hapd = iface->bss[0];
1081         if (hapd->drv_priv == NULL)
1082                 return -1;
1083         ieee802_11_set_beacons(iface);
1084         hostapd_set_ap_wps_ie(hapd);
1085
1086         return 0;
1087 }
1088
1089
1090 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1091                       struct csa_settings *settings)
1092 {
1093 #ifdef NEED_AP_MLME
1094         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1095                 return -1;
1096
1097         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1098 #else /* NEED_AP_MLME */
1099         return -1;
1100 #endif /* NEED_AP_MLME */
1101 }
1102
1103
1104 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1105 {
1106         struct csa_settings settings;
1107         int ret = hostapd_parse_csa_settings(pos, &settings);
1108
1109         if (ret)
1110                 return ret;
1111
1112         return ap_switch_channel(wpa_s, &settings);
1113 }
1114
1115
1116 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1117                        int offset, int width, int cf1, int cf2)
1118 {
1119         if (!wpa_s->ap_iface)
1120                 return;
1121
1122         wpa_s->assoc_freq = freq;
1123         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1124 }
1125
1126
1127 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1128                                       const u8 *addr)
1129 {
1130         struct hostapd_data *hapd;
1131         struct hostapd_bss_config *conf;
1132
1133         if (!wpa_s->ap_iface)
1134                 return -1;
1135
1136         if (addr)
1137                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1138                            MAC2STR(addr));
1139         else
1140                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1141
1142         hapd = wpa_s->ap_iface->bss[0];
1143         conf = hapd->conf;
1144
1145         os_free(conf->accept_mac);
1146         conf->accept_mac = NULL;
1147         conf->num_accept_mac = 0;
1148         os_free(conf->deny_mac);
1149         conf->deny_mac = NULL;
1150         conf->num_deny_mac = 0;
1151
1152         if (addr == NULL) {
1153                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1154                 return 0;
1155         }
1156
1157         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1158         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1159         if (conf->accept_mac == NULL)
1160                 return -1;
1161         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1162         conf->num_accept_mac = 1;
1163
1164         return 0;
1165 }
1166
1167
1168 #ifdef CONFIG_WPS_NFC
1169 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1170                            const struct wpabuf *pw, const u8 *pubkey_hash)
1171 {
1172         struct hostapd_data *hapd;
1173         struct wps_context *wps;
1174
1175         if (!wpa_s->ap_iface)
1176                 return -1;
1177         hapd = wpa_s->ap_iface->bss[0];
1178         wps = hapd->wps;
1179
1180         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1181             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1182                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1183                 return -1;
1184         }
1185
1186         dh5_free(wps->dh_ctx);
1187         wpabuf_free(wps->dh_pubkey);
1188         wpabuf_free(wps->dh_privkey);
1189         wps->dh_privkey = wpabuf_dup(
1190                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1191         wps->dh_pubkey = wpabuf_dup(
1192                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1193         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1194                 wps->dh_ctx = NULL;
1195                 wpabuf_free(wps->dh_pubkey);
1196                 wps->dh_pubkey = NULL;
1197                 wpabuf_free(wps->dh_privkey);
1198                 wps->dh_privkey = NULL;
1199                 return -1;
1200         }
1201         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1202         if (wps->dh_ctx == NULL)
1203                 return -1;
1204
1205         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1206                                               pw_id,
1207                                               pw ? wpabuf_head(pw) : NULL,
1208                                               pw ? wpabuf_len(pw) : 0, 1);
1209 }
1210 #endif /* CONFIG_WPS_NFC */