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_IEEE80211W
 301         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 302                 bss->ieee80211w = ssid->ieee80211w;
 303 #endif /* CONFIG_IEEE80211W */
 304
 305 #ifdef CONFIG_WPS
 306         /*
 307          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 308          * require user interaction to actually use it. Only the internal
 309          * Registrar is supported.
 310          */
 311         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 312             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 313                 goto no_wps;
 314         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 315             (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
 316                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 317                               * configuration */
 318         bss->eap_server = 1;
 319
 320         if (!ssid->ignore_broadcast_ssid)
 321                 bss->wps_state = 2;
 322
 323         bss->ap_setup_locked = 2;
 324         if (wpa_s->conf->config_methods)
 325                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 326         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 327                   WPS_DEV_TYPE_LEN);
 328         if (wpa_s->conf->device_name) {
 329                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 330                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 331         }
 332         if (wpa_s->conf->manufacturer)
 333                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 334         if (wpa_s->conf->model_name)
 335                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 336         if (wpa_s->conf->model_number)
 337                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 338         if (wpa_s->conf->serial_number)
 339                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 340         if (is_nil_uuid(wpa_s->conf->uuid))
 341                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 342         else
 343                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 344         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 345         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 346 no_wps:
 347 #endif /* CONFIG_WPS */
 348
 349         if (wpa_s->max_stations &&
 350             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 351                 bss->max_num_sta = wpa_s->max_stations;
 352         else
 353                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 354
 355         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 356
 357         if (wpa_s->conf->ap_vendor_elements) {
 358                 bss->vendor_elements =
 359                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 360         }
 361
 362         return 0;
 363 }
 364
 365
 366 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 367 {
 368 #ifdef CONFIG_P2P
 369         struct wpa_supplicant *wpa_s = ctx;
 370         const struct ieee80211_mgmt *mgmt;
 371         size_t hdr_len;
 372
 373         mgmt = (const struct ieee80211_mgmt *) buf;
 374         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 375         if (hdr_len > len)
 376                 return;
 377         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 378                 return;
 379         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 380                            mgmt->u.action.category,
 381                            &mgmt->u.action.u.vs_public_action.action,
 382                            len - hdr_len, freq);
 383 #endif /* CONFIG_P2P */
 384 }
 385
 386
 387 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 388                             union wps_event_data *data)
 389 {
 390 #ifdef CONFIG_P2P
 391         struct wpa_supplicant *wpa_s = ctx;
 392
 393         if (event == WPS_EV_FAIL) {
 394                 struct wps_event_fail *fail = &data->fail;
 395
 396                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 397                     wpa_s == wpa_s->global->p2p_group_formation) {
 398                         /*
 399                          * src/ap/wps_hostapd.c has already sent this on the
 400                          * main interface, so only send on the parent interface
 401                          * here if needed.
 402                          */
 403                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 404                                 "msg=%d config_error=%d",
 405                                 fail->msg, fail->config_error);
 406                 }
 407                 wpas_p2p_wps_failed(wpa_s, fail);
 408         }
 409 #endif /* CONFIG_P2P */
 410 }
 411
 412
 413 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 414                                  int authorized, const u8 *p2p_dev_addr)
 415 {
 416         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 417 }
 418
 419
 420 #ifdef CONFIG_P2P
 421 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 422                           const u8 *psk, size_t psk_len)
 423 {
 424
 425         struct wpa_supplicant *wpa_s = ctx;
 426         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 427                 return;
 428         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 429 }
 430 #endif /* CONFIG_P2P */
 431
 432
 433 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 434 {
 435 #ifdef CONFIG_P2P
 436         struct wpa_supplicant *wpa_s = ctx;
 437         const struct ieee80211_mgmt *mgmt;
 438         size_t hdr_len;
 439
 440         mgmt = (const struct ieee80211_mgmt *) buf;
 441         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 442         if (hdr_len > len)
 443                 return -1;
 444         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 445                            mgmt->u.action.category,
 446                            &mgmt->u.action.u.vs_public_action.action,
 447                            len - hdr_len, freq);
 448 #endif /* CONFIG_P2P */
 449         return 0;
 450 }
 451
 452
 453 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 454                            const u8 *bssid, const u8 *ie, size_t ie_len,
 455                            int ssi_signal)
 456 {
 457 #ifdef CONFIG_P2P
 458         struct wpa_supplicant *wpa_s = ctx;
 459         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 460                                      ssi_signal);
 461 #else /* CONFIG_P2P */
 462         return 0;
 463 #endif /* CONFIG_P2P */
 464 }
 465
 466
 467 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 468                                   const u8 *uuid_e)
 469 {
 470 #ifdef CONFIG_P2P
 471         struct wpa_supplicant *wpa_s = ctx;
 472         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 473 #endif /* CONFIG_P2P */
 474 }
 475
 476
 477 static void wpas_ap_configured_cb(void *ctx)
 478 {
 479         struct wpa_supplicant *wpa_s = ctx;
 480
 481         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 482
 483         if (wpa_s->ap_configured_cb)
 484                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 485                                         wpa_s->ap_configured_cb_data);
 486 }
 487
 488
 489 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 490                              struct wpa_ssid *ssid)
 491 {
 492         struct wpa_driver_associate_params params;
 493         struct hostapd_iface *hapd_iface;
 494         struct hostapd_config *conf;
 495         size_t i;
 496
 497         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 498                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 499                 return -1;
 500         }
 501
 502         wpa_supplicant_ap_deinit(wpa_s);
 503
 504         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 505                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 506
 507         os_memset(&params, 0, sizeof(params));
 508         params.ssid = ssid->ssid;
 509         params.ssid_len = ssid->ssid_len;
 510         switch (ssid->mode) {
 511         case WPAS_MODE_AP:
 512         case WPAS_MODE_P2P_GO:
 513         case WPAS_MODE_P2P_GROUP_FORMATION:
 514                 params.mode = IEEE80211_MODE_AP;
 515                 break;
 516         default:
 517                 return -1;
 518         }
 519         if (ssid->frequency == 0)
 520                 ssid->frequency = 2462; /* default channel 11 */
 521         params.freq = ssid->frequency;
 522
 523         params.wpa_proto = ssid->proto;
 524         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 525                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 526         else
 527                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 528         params.key_mgmt_suite = wpa_s->key_mgmt;
 529
 530         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 531                                                           1);
 532         if (wpa_s->pairwise_cipher < 0) {
 533                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 534                            "cipher.");
 535                 return -1;
 536         }
 537         params.pairwise_suite = wpa_s->pairwise_cipher;
 538         params.group_suite = params.pairwise_suite;
 539
 540 #ifdef CONFIG_P2P
 541         if (ssid->mode == WPAS_MODE_P2P_GO ||
 542             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 543                 params.p2p = 1;
 544 #endif /* CONFIG_P2P */
 545
 546         if (wpa_s->parent->set_ap_uapsd)
 547                 params.uapsd = wpa_s->parent->ap_uapsd;
 548         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 549                 params.uapsd = 1; /* mandatory for P2P GO */
 550         else
 551                 params.uapsd = -1;
 552
 553         if (wpa_drv_associate(wpa_s, &params) < 0) {
 554                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 555                 return -1;
 556         }
 557
 558         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 559         if (hapd_iface == NULL)
 560                 return -1;
 561         hapd_iface->owner = wpa_s;
 562         hapd_iface->drv_flags = wpa_s->drv_flags;
 563         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 564         hapd_iface->extended_capa = wpa_s->extended_capa;
 565         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 566         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 567
 568         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 569         if (conf == NULL) {
 570                 wpa_supplicant_ap_deinit(wpa_s);
 571                 return -1;
 572         }
 573
 574         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 575                   wpa_s->conf->wmm_ac_params,
 576                   sizeof(wpa_s->conf->wmm_ac_params));
 577
 578         if (params.uapsd > 0) {
 579                 conf->bss[0]->wmm_enabled = 1;
 580                 conf->bss[0]->wmm_uapsd = 1;
 581         }
 582
 583         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 584                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 585                 wpa_supplicant_ap_deinit(wpa_s);
 586                 return -1;
 587         }
 588
 589 #ifdef CONFIG_P2P
 590         if (ssid->mode == WPAS_MODE_P2P_GO)
 591                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 592         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 593                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 594                         P2P_GROUP_FORMATION;
 595 #endif /* CONFIG_P2P */
 596
 597         hapd_iface->num_bss = conf->num_bss;
 598         hapd_iface->bss = os_calloc(conf->num_bss,
 599                                     sizeof(struct hostapd_data *));
 600         if (hapd_iface->bss == NULL) {
 601                 wpa_supplicant_ap_deinit(wpa_s);
 602                 return -1;
 603         }
 604
 605         for (i = 0; i < conf->num_bss; i++) {
 606                 hapd_iface->bss[i] =
 607                         hostapd_alloc_bss_data(hapd_iface, conf,
 608                                                conf->bss[i]);
 609                 if (hapd_iface->bss[i] == NULL) {
 610                         wpa_supplicant_ap_deinit(wpa_s);
 611                         return -1;
 612                 }
 613
 614                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 615                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 616                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 617                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 618                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 619                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 620                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 621                                              ap_probe_req_rx, wpa_s);
 622                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 623                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 624                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 625                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 626                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 627                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 628 #ifdef CONFIG_P2P
 629                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 630                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 631                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 632                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 633                                                                     ssid);
 634 #endif /* CONFIG_P2P */
 635                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 636                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 637         }
 638
 639         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 640         hapd_iface->bss[0]->driver = wpa_s->driver;
 641         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 642
 643         wpa_s->current_ssid = ssid;
 644         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 645         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 646         wpa_s->assoc_freq = ssid->frequency;
 647
 648         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 649                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 650                 wpa_supplicant_ap_deinit(wpa_s);
 651                 return -1;
 652         }
 653
 654         return 0;
 655 }
 656
 657
 658 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 659 {
 660 #ifdef CONFIG_WPS
 661         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 662 #endif /* CONFIG_WPS */
 663
 664         if (wpa_s->ap_iface == NULL)
 665                 return;
 666
 667         wpa_s->current_ssid = NULL;
 668         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 669         wpa_s->assoc_freq = 0;
 670 #ifdef CONFIG_P2P
 671         if (wpa_s->ap_iface->bss)
 672                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 673         wpas_p2p_group_deinit(wpa_s);
 674 #endif /* CONFIG_P2P */
 675         wpa_s->ap_iface->driver_ap_teardown =
 676                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 677
 678         hostapd_interface_deinit(wpa_s->ap_iface);
 679         hostapd_interface_free(wpa_s->ap_iface);
 680         wpa_s->ap_iface = NULL;
 681         wpa_drv_deinit_ap(wpa_s);
 682 }
 683
 684
 685 void ap_tx_status(void *ctx, const u8 *addr,
 686                   const u8 *buf, size_t len, int ack)
 687 {
 688 #ifdef NEED_AP_MLME
 689         struct wpa_supplicant *wpa_s = ctx;
 690         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 691 #endif /* NEED_AP_MLME */
 692 }
 693
 694
 695 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 696                         const u8 *data, size_t len, int ack)
 697 {
 698 #ifdef NEED_AP_MLME
 699         struct wpa_supplicant *wpa_s = ctx;
 700         if (!wpa_s->ap_iface)
 701                 return;
 702         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 703 #endif /* NEED_AP_MLME */
 704 }
 705
 706
 707 void ap_client_poll_ok(void *ctx, const u8 *addr)
 708 {
 709 #ifdef NEED_AP_MLME
 710         struct wpa_supplicant *wpa_s = ctx;
 711         if (wpa_s->ap_iface)
 712                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 713 #endif /* NEED_AP_MLME */
 714 }
 715
 716
 717 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 718 {
 719 #ifdef NEED_AP_MLME
 720         struct wpa_supplicant *wpa_s = ctx;
 721         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 722 #endif /* NEED_AP_MLME */
 723 }
 724
 725
 726 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 727 {
 728 #ifdef NEED_AP_MLME
 729         struct wpa_supplicant *wpa_s = ctx;
 730         struct hostapd_frame_info fi;
 731         os_memset(&fi, 0, sizeof(fi));
 732         fi.datarate = rx_mgmt->datarate;
 733         fi.ssi_signal = rx_mgmt->ssi_signal;
 734         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 735                         rx_mgmt->frame_len, &fi);
 736 #endif /* NEED_AP_MLME */
 737 }
 738
 739
 740 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 741 {
 742 #ifdef NEED_AP_MLME
 743         struct wpa_supplicant *wpa_s = ctx;
 744         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 745 #endif /* NEED_AP_MLME */
 746 }
 747
 748
 749 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 750                                 const u8 *src_addr, const u8 *buf, size_t len)
 751 {
 752         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 753 }
 754
 755
 756 #ifdef CONFIG_WPS
 757
 758 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 759                               const u8 *p2p_dev_addr)
 760 {
 761         if (!wpa_s->ap_iface)
 762                 return -1;
 763         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 764                                          p2p_dev_addr);
 765 }
 766
 767
 768 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 769 {
 770         struct wps_registrar *reg;
 771         int reg_sel = 0, wps_sta = 0;
 772
 773         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 774                 return -1;
 775
 776         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 777         reg_sel = wps_registrar_wps_cancel(reg);
 778         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 779                                   ap_sta_wps_cancel, NULL);
 780
 781         if (!reg_sel && !wps_sta) {
 782                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 783                            "time");
 784                 return -1;
 785         }
 786
 787         /*
 788          * There are 2 cases to return wps cancel as success:
 789          * 1. When wps cancel was initiated but no connection has been
 790          *    established with client yet.
 791          * 2. Client is in the middle of exchanging WPS messages.
 792          */
 793
 794         return 0;
 795 }
 796
 797
 798 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 799                               const char *pin, char *buf, size_t buflen,
 800                               int timeout)
 801 {
 802         int ret, ret_len = 0;
 803
 804         if (!wpa_s->ap_iface)
 805                 return -1;
 806
 807         if (pin == NULL) {
 808                 unsigned int rpin = wps_generate_pin();
 809                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 810                 pin = buf;
 811         } else
 812                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 813
 814         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 815                                   timeout);
 816         if (ret)
 817                 return -1;
 818         return ret_len;
 819 }
 820
 821
 822 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 823 {
 824         struct wpa_supplicant *wpa_s = eloop_data;
 825         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 826         wpas_wps_ap_pin_disable(wpa_s);
 827 }
 828
 829
 830 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 831 {
 832         struct hostapd_data *hapd;
 833
 834         if (wpa_s->ap_iface == NULL)
 835                 return;
 836         hapd = wpa_s->ap_iface->bss[0];
 837         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 838         hapd->ap_pin_failures = 0;
 839         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 840         if (timeout > 0)
 841                 eloop_register_timeout(timeout, 0,
 842                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 843 }
 844
 845
 846 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 847 {
 848         struct hostapd_data *hapd;
 849
 850         if (wpa_s->ap_iface == NULL)
 851                 return;
 852         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 853         hapd = wpa_s->ap_iface->bss[0];
 854         os_free(hapd->conf->ap_pin);
 855         hapd->conf->ap_pin = NULL;
 856         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 857 }
 858
 859
 860 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 861 {
 862         struct hostapd_data *hapd;
 863         unsigned int pin;
 864         char pin_txt[9];
 865
 866         if (wpa_s->ap_iface == NULL)
 867                 return NULL;
 868         hapd = wpa_s->ap_iface->bss[0];
 869         pin = wps_generate_pin();
 870         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 871         os_free(hapd->conf->ap_pin);
 872         hapd->conf->ap_pin = os_strdup(pin_txt);
 873         if (hapd->conf->ap_pin == NULL)
 874                 return NULL;
 875         wpas_wps_ap_pin_enable(wpa_s, timeout);
 876
 877         return hapd->conf->ap_pin;
 878 }
 879
 880
 881 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 882 {
 883         struct hostapd_data *hapd;
 884         if (wpa_s->ap_iface == NULL)
 885                 return NULL;
 886         hapd = wpa_s->ap_iface->bss[0];
 887         return hapd->conf->ap_pin;
 888 }
 889
 890
 891 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 892                         int timeout)
 893 {
 894         struct hostapd_data *hapd;
 895         char pin_txt[9];
 896         int ret;
 897
 898         if (wpa_s->ap_iface == NULL)
 899                 return -1;
 900         hapd = wpa_s->ap_iface->bss[0];
 901         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 902         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 903                 return -1;
 904         os_free(hapd->conf->ap_pin);
 905         hapd->conf->ap_pin = os_strdup(pin_txt);
 906         if (hapd->conf->ap_pin == NULL)
 907                 return -1;
 908         wpas_wps_ap_pin_enable(wpa_s, timeout);
 909
 910         return 0;
 911 }
 912
 913
 914 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 915 {
 916         struct hostapd_data *hapd;
 917
 918         if (wpa_s->ap_iface == NULL)
 919                 return;
 920         hapd = wpa_s->ap_iface->bss[0];
 921
 922         /*
 923          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 924          * PIN if this happens multiple times to slow down brute force attacks.
 925          */
 926         hapd->ap_pin_failures++;
 927         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 928                    hapd->ap_pin_failures);
 929         if (hapd->ap_pin_failures < 3)
 930                 return;
 931
 932         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 933         hapd->ap_pin_failures = 0;
 934         os_free(hapd->conf->ap_pin);
 935         hapd->conf->ap_pin = NULL;
 936 }
 937
 938
 939 #ifdef CONFIG_WPS_NFC
 940
 941 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 942                                              int ndef)
 943 {
 944         struct hostapd_data *hapd;
 945
 946         if (wpa_s->ap_iface == NULL)
 947                 return NULL;
 948         hapd = wpa_s->ap_iface->bss[0];
 949         return hostapd_wps_nfc_config_token(hapd, ndef);
 950 }
 951
 952
 953 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 954                                              int ndef)
 955 {
 956         struct hostapd_data *hapd;
 957
 958         if (wpa_s->ap_iface == NULL)
 959                 return NULL;
 960         hapd = wpa_s->ap_iface->bss[0];
 961         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 962 }
 963
 964
 965 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 966                                     const struct wpabuf *req,
 967                                     const struct wpabuf *sel)
 968 {
 969         struct hostapd_data *hapd;
 970
 971         if (wpa_s->ap_iface == NULL)
 972                 return -1;
 973         hapd = wpa_s->ap_iface->bss[0];
 974         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 975 }
 976
 977 #endif /* CONFIG_WPS_NFC */
 978
 979 #endif /* CONFIG_WPS */
 980
 981
 982 #ifdef CONFIG_CTRL_IFACE
 983
 984 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 985                             char *buf, size_t buflen)
 986 {
 987         if (wpa_s->ap_iface == NULL)
 988                 return -1;
 989         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 990                                             buf, buflen);
 991 }
 992
 993
 994 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 995                       char *buf, size_t buflen)
 996 {
 997         if (wpa_s->ap_iface == NULL)
 998                 return -1;
 999         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
1000                                       buf, buflen);
1001 }
1002
1003
1004 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1005                            char *buf, size_t buflen)
1006 {
1007         if (wpa_s->ap_iface == NULL)
1008                 return -1;
1009         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1010                                            buf, buflen);
1011 }
1012
1013
1014 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1015                                    const char *txtaddr)
1016 {
1017         if (wpa_s->ap_iface == NULL)
1018                 return -1;
1019         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1020                                                txtaddr);
1021 }
1022
1023
1024 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1025                                      const char *txtaddr)
1026 {
1027         if (wpa_s->ap_iface == NULL)
1028                 return -1;
1029         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1030                                                  txtaddr);
1031 }
1032
1033
1034 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1035                                  size_t buflen, int verbose)
1036 {
1037         char *pos = buf, *end = buf + buflen;
1038         int ret;
1039         struct hostapd_bss_config *conf;
1040
1041         if (wpa_s->ap_iface == NULL)
1042                 return -1;
1043
1044         conf = wpa_s->ap_iface->bss[0]->conf;
1045         if (conf->wpa == 0)
1046                 return 0;
1047
1048         ret = os_snprintf(pos, end - pos,
1049                           "pairwise_cipher=%s\n"
1050                           "group_cipher=%s\n"
1051                           "key_mgmt=%s\n",
1052                           wpa_cipher_txt(conf->rsn_pairwise),
1053                           wpa_cipher_txt(conf->wpa_group),
1054                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1055                                            conf->wpa));
1056         if (ret < 0 || ret >= end - pos)
1057                 return pos - buf;
1058         pos += ret;
1059         return pos - buf;
1060 }
1061
1062 #endif /* CONFIG_CTRL_IFACE */
1063
1064
1065 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1066 {
1067         struct hostapd_iface *iface = wpa_s->ap_iface;
1068         struct wpa_ssid *ssid = wpa_s->current_ssid;
1069         struct hostapd_data *hapd;
1070
1071         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1072             ssid->mode == WPAS_MODE_INFRA ||
1073             ssid->mode == WPAS_MODE_IBSS)
1074                 return -1;
1075
1076 #ifdef CONFIG_P2P
1077         if (ssid->mode == WPAS_MODE_P2P_GO)
1078                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1079         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1080                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1081                         P2P_GROUP_FORMATION;
1082 #endif /* CONFIG_P2P */
1083
1084         hapd = iface->bss[0];
1085         if (hapd->drv_priv == NULL)
1086                 return -1;
1087         ieee802_11_set_beacons(iface);
1088         hostapd_set_ap_wps_ie(hapd);
1089
1090         return 0;
1091 }
1092
1093
1094 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1095                       struct csa_settings *settings)
1096 {
1097 #ifdef NEED_AP_MLME
1098         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1099                 return -1;
1100
1101         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1102 #else /* NEED_AP_MLME */
1103         return -1;
1104 #endif /* NEED_AP_MLME */
1105 }
1106
1107
1108 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1109 {
1110         struct csa_settings settings;
1111         int ret = hostapd_parse_csa_settings(pos, &settings);
1112
1113         if (ret)
1114                 return ret;
1115
1116         return ap_switch_channel(wpa_s, &settings);
1117 }
1118
1119
1120 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1121                        int offset, int width, int cf1, int cf2)
1122 {
1123         if (!wpa_s->ap_iface)
1124                 return;
1125
1126         wpa_s->assoc_freq = freq;
1127         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1128 }
1129
1130
1131 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1132                                       const u8 *addr)
1133 {
1134         struct hostapd_data *hapd;
1135         struct hostapd_bss_config *conf;
1136
1137         if (!wpa_s->ap_iface)
1138                 return -1;
1139
1140         if (addr)
1141                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1142                            MAC2STR(addr));
1143         else
1144                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1145
1146         hapd = wpa_s->ap_iface->bss[0];
1147         conf = hapd->conf;
1148
1149         os_free(conf->accept_mac);
1150         conf->accept_mac = NULL;
1151         conf->num_accept_mac = 0;
1152         os_free(conf->deny_mac);
1153         conf->deny_mac = NULL;
1154         conf->num_deny_mac = 0;
1155
1156         if (addr == NULL) {
1157                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1158                 return 0;
1159         }
1160
1161         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1162         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1163         if (conf->accept_mac == NULL)
1164                 return -1;
1165         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1166         conf->num_accept_mac = 1;
1167
1168         return 0;
1169 }
1170
1171
1172 #ifdef CONFIG_WPS_NFC
1173 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1174                            const struct wpabuf *pw, const u8 *pubkey_hash)
1175 {
1176         struct hostapd_data *hapd;
1177         struct wps_context *wps;
1178
1179         if (!wpa_s->ap_iface)
1180                 return -1;
1181         hapd = wpa_s->ap_iface->bss[0];
1182         wps = hapd->wps;
1183
1184         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1185             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1186                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1187                 return -1;
1188         }
1189
1190         dh5_free(wps->dh_ctx);
1191         wpabuf_free(wps->dh_pubkey);
1192         wpabuf_free(wps->dh_privkey);
1193         wps->dh_privkey = wpabuf_dup(
1194                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1195         wps->dh_pubkey = wpabuf_dup(
1196                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1197         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1198                 wps->dh_ctx = NULL;
1199                 wpabuf_free(wps->dh_pubkey);
1200                 wps->dh_pubkey = NULL;
1201                 wpabuf_free(wps->dh_privkey);
1202                 wps->dh_privkey = NULL;
1203                 return -1;
1204         }
1205         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1206         if (wps->dh_ctx == NULL)
1207                 return -1;
1208
1209         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1210                                               pw_id,
1211                                               pw ? wpabuf_head(pw) : NULL,
1212                                               pw ? wpabuf_len(pw) : 0, 1);
1213 }
1214 #endif /* CONFIG_WPS_NFC */