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 #ifdef CONFIG_P2P
  52         u8 center_chan = 0;
  53         u8 channel = conf->channel;
  54
  55         if (!conf->secondary_channel)
  56                 goto no_vht;
  57
  58         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  59         if (!center_chan)
  60                 goto no_vht;
  61
  62         /* Use 80 MHz channel */
  63         conf->vht_oper_chwidth = 1;
  64         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  65         return;
  66
  67 no_vht:
  68         conf->vht_oper_centr_freq_seg0_idx =
  69                 channel + conf->secondary_channel * 2;
  70 #else /* CONFIG_P2P */
  71         conf->vht_oper_centr_freq_seg0_idx =
  72                 conf->channel + conf->secondary_channel * 2;
  73 #endif /* CONFIG_P2P */
  74 }
  75 #endif /* CONFIG_IEEE80211N */
  76
  77
  78 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
  79                                   struct wpa_ssid *ssid,
  80                                   struct hostapd_config *conf)
  81 {
  82         struct hostapd_bss_config *bss = conf->bss[0];
  83
  84         conf->driver = wpa_s->driver;
  85
  86         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
  87
  88         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
  89                                                &conf->channel);
  90         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
  91                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
  92                            ssid->frequency);
  93                 return -1;
  94         }
  95
  96         /* TODO: enable HT40 if driver supports it;
  97          * drop to 11b if driver does not support 11g */
  98
  99 #ifdef CONFIG_IEEE80211N
 100         /*
 101          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
 102          * and a mask of allowed capabilities within conf->ht_capab.
 103          * Using default config settings for: conf->ht_op_mode_fixed,
 104          * conf->secondary_channel, conf->require_ht
 105          */
 106         if (wpa_s->hw.modes) {
 107                 struct hostapd_hw_modes *mode = NULL;
 108                 int i, no_ht = 0;
 109                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 110                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 111                                 mode = &wpa_s->hw.modes[i];
 112                                 break;
 113                         }
 114                 }
 115
 116 #ifdef CONFIG_HT_OVERRIDES
 117                 if (ssid->disable_ht) {
 118                         conf->ieee80211n = 0;
 119                         conf->ht_capab = 0;
 120                         no_ht = 1;
 121                 }
 122 #endif /* CONFIG_HT_OVERRIDES */
 123
 124                 if (!no_ht && mode && mode->ht_capab) {
 125                         conf->ieee80211n = 1;
 126 #ifdef CONFIG_P2P
 127                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 128                             (mode->ht_capab &
 129                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 130                             ssid->ht40)
 131                                 conf->secondary_channel =
 132                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 133                                                                conf->channel);
 134                         if (conf->secondary_channel)
 135                                 conf->ht_capab |=
 136                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 137 #endif /* CONFIG_P2P */
 138
 139                         /*
 140                          * white-list capabilities that won't cause issues
 141                          * to connecting stations, while leaving the current
 142                          * capabilities intact (currently disabled SMPS).
 143                          */
 144                         conf->ht_capab |= mode->ht_capab &
 145                                 (HT_CAP_INFO_GREEN_FIELD |
 146                                  HT_CAP_INFO_SHORT_GI20MHZ |
 147                                  HT_CAP_INFO_SHORT_GI40MHZ |
 148                                  HT_CAP_INFO_RX_STBC_MASK |
 149                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 150
 151                         if (mode->vht_capab && ssid->vht) {
 152                                 conf->ieee80211ac = 1;
 153                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 154                         }
 155                 }
 156         }
 157 #endif /* CONFIG_IEEE80211N */
 158
 159 #ifdef CONFIG_P2P
 160         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 161             (ssid->mode == WPAS_MODE_P2P_GO ||
 162              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 163                 /* Remove 802.11b rates from supported and basic rate sets */
 164                 int *list = os_malloc(4 * sizeof(int));
 165                 if (list) {
 166                         list[0] = 60;
 167                         list[1] = 120;
 168                         list[2] = 240;
 169                         list[3] = -1;
 170                 }
 171                 conf->basic_rates = list;
 172
 173                 list = os_malloc(9 * sizeof(int));
 174                 if (list) {
 175                         list[0] = 60;
 176                         list[1] = 90;
 177                         list[2] = 120;
 178                         list[3] = 180;
 179                         list[4] = 240;
 180                         list[5] = 360;
 181                         list[6] = 480;
 182                         list[7] = 540;
 183                         list[8] = -1;
 184                 }
 185                 conf->supported_rates = list;
 186         }
 187
 188         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 189         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 190
 191         if (ssid->p2p_group) {
 192                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 193                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 194                           4);
 195                 os_memcpy(bss->ip_addr_start,
 196                           wpa_s->parent->conf->ip_addr_start, 4);
 197                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 198                           4);
 199         }
 200 #endif /* CONFIG_P2P */
 201
 202         if (ssid->ssid_len == 0) {
 203                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 204                 return -1;
 205         }
 206         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 207         bss->ssid.ssid_len = ssid->ssid_len;
 208         bss->ssid.ssid_set = 1;
 209
 210         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 211
 212         if (ssid->auth_alg)
 213                 bss->auth_algs = ssid->auth_alg;
 214
 215         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 216                 bss->wpa = ssid->proto;
 217         bss->wpa_key_mgmt = ssid->key_mgmt;
 218         bss->wpa_pairwise = ssid->pairwise_cipher;
 219         if (ssid->psk_set) {
 220                 os_free(bss->ssid.wpa_psk);
 221                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 222                 if (bss->ssid.wpa_psk == NULL)
 223                         return -1;
 224                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 225                 bss->ssid.wpa_psk->group = 1;
 226         } else if (ssid->passphrase) {
 227                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 228         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 229                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 230                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 231                 int i;
 232                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 233                         if (ssid->wep_key_len[i] == 0)
 234                                 continue;
 235                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 236                         if (wep->key[i] == NULL)
 237                                 return -1;
 238                         os_memcpy(wep->key[i], ssid->wep_key[i],
 239                                   ssid->wep_key_len[i]);
 240                         wep->len[i] = ssid->wep_key_len[i];
 241                 }
 242                 wep->idx = ssid->wep_tx_keyidx;
 243                 wep->keys_set = 1;
 244         }
 245
 246         if (ssid->ap_max_inactivity)
 247                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 248
 249         if (ssid->dtim_period)
 250                 bss->dtim_period = ssid->dtim_period;
 251         else if (wpa_s->conf->dtim_period)
 252                 bss->dtim_period = wpa_s->conf->dtim_period;
 253
 254         if (ssid->beacon_int)
 255                 conf->beacon_int = ssid->beacon_int;
 256         else if (wpa_s->conf->beacon_int)
 257                 conf->beacon_int = wpa_s->conf->beacon_int;
 258
 259         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 260                 bss->rsn_pairwise = bss->wpa_pairwise;
 261         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 262                                                     bss->rsn_pairwise);
 263
 264         if (bss->wpa && bss->ieee802_1x)
 265                 bss->ssid.security_policy = SECURITY_WPA;
 266         else if (bss->wpa)
 267                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 268         else if (bss->ieee802_1x) {
 269                 int cipher = WPA_CIPHER_NONE;
 270                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 271                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 272                 if (bss->default_wep_key_len)
 273                         cipher = bss->default_wep_key_len >= 13 ?
 274                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 275                 bss->wpa_group = cipher;
 276                 bss->wpa_pairwise = cipher;
 277                 bss->rsn_pairwise = cipher;
 278         } else if (bss->ssid.wep.keys_set) {
 279                 int cipher = WPA_CIPHER_WEP40;
 280                 if (bss->ssid.wep.len[0] >= 13)
 281                         cipher = WPA_CIPHER_WEP104;
 282                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 283                 bss->wpa_group = cipher;
 284                 bss->wpa_pairwise = cipher;
 285                 bss->rsn_pairwise = cipher;
 286         } else {
 287                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 288                 bss->wpa_group = WPA_CIPHER_NONE;
 289                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 290                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 291         }
 292
 293         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 294             (bss->wpa_group == WPA_CIPHER_CCMP ||
 295              bss->wpa_group == WPA_CIPHER_GCMP ||
 296              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 297              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 298                 /*
 299                  * Strong ciphers do not need frequent rekeying, so increase
 300                  * the default GTK rekeying period to 24 hours.
 301                  */
 302                 bss->wpa_group_rekey = 86400;
 303         }
 304
 305 #ifdef CONFIG_IEEE80211W
 306         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 307                 bss->ieee80211w = ssid->ieee80211w;
 308 #endif /* CONFIG_IEEE80211W */
 309
 310 #ifdef CONFIG_WPS
 311         /*
 312          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 313          * require user interaction to actually use it. Only the internal
 314          * Registrar is supported.
 315          */
 316         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 317             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 318                 goto no_wps;
 319         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 320             (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
 321                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 322                               * configuration */
 323         bss->eap_server = 1;
 324
 325         if (!ssid->ignore_broadcast_ssid)
 326                 bss->wps_state = 2;
 327
 328         bss->ap_setup_locked = 2;
 329         if (wpa_s->conf->config_methods)
 330                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 331         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 332                   WPS_DEV_TYPE_LEN);
 333         if (wpa_s->conf->device_name) {
 334                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 335                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 336         }
 337         if (wpa_s->conf->manufacturer)
 338                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 339         if (wpa_s->conf->model_name)
 340                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 341         if (wpa_s->conf->model_number)
 342                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 343         if (wpa_s->conf->serial_number)
 344                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 345         if (is_nil_uuid(wpa_s->conf->uuid))
 346                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 347         else
 348                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 349         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 350         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 351 no_wps:
 352 #endif /* CONFIG_WPS */
 353
 354         if (wpa_s->max_stations &&
 355             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 356                 bss->max_num_sta = wpa_s->max_stations;
 357         else
 358                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 359
 360         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 361
 362         if (wpa_s->conf->ap_vendor_elements) {
 363                 bss->vendor_elements =
 364                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 365         }
 366
 367         return 0;
 368 }
 369
 370
 371 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 372 {
 373 #ifdef CONFIG_P2P
 374         struct wpa_supplicant *wpa_s = ctx;
 375         const struct ieee80211_mgmt *mgmt;
 376
 377         mgmt = (const struct ieee80211_mgmt *) buf;
 378         if (len < IEEE80211_HDRLEN + 1)
 379                 return;
 380         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 381                 return;
 382         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 383                            mgmt->u.action.category,
 384                            buf + IEEE80211_HDRLEN + 1,
 385                            len - IEEE80211_HDRLEN - 1, freq);
 386 #endif /* CONFIG_P2P */
 387 }
 388
 389
 390 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 391                             union wps_event_data *data)
 392 {
 393 #ifdef CONFIG_P2P
 394         struct wpa_supplicant *wpa_s = ctx;
 395
 396         if (event == WPS_EV_FAIL) {
 397                 struct wps_event_fail *fail = &data->fail;
 398
 399                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 400                     wpa_s == wpa_s->global->p2p_group_formation) {
 401                         /*
 402                          * src/ap/wps_hostapd.c has already sent this on the
 403                          * main interface, so only send on the parent interface
 404                          * here if needed.
 405                          */
 406                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 407                                 "msg=%d config_error=%d",
 408                                 fail->msg, fail->config_error);
 409                 }
 410                 wpas_p2p_wps_failed(wpa_s, fail);
 411         }
 412 #endif /* CONFIG_P2P */
 413 }
 414
 415
 416 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 417                                  int authorized, const u8 *p2p_dev_addr)
 418 {
 419         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 420 }
 421
 422
 423 #ifdef CONFIG_P2P
 424 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 425                           const u8 *psk, size_t psk_len)
 426 {
 427
 428         struct wpa_supplicant *wpa_s = ctx;
 429         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 430                 return;
 431         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 432 }
 433 #endif /* CONFIG_P2P */
 434
 435
 436 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 437 {
 438 #ifdef CONFIG_P2P
 439         struct wpa_supplicant *wpa_s = ctx;
 440         const struct ieee80211_mgmt *mgmt;
 441
 442         mgmt = (const struct ieee80211_mgmt *) buf;
 443         if (len < IEEE80211_HDRLEN + 1)
 444                 return -1;
 445         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 446                            mgmt->u.action.category,
 447                            buf + IEEE80211_HDRLEN + 1,
 448                            len - IEEE80211_HDRLEN - 1, freq);
 449 #endif /* CONFIG_P2P */
 450         return 0;
 451 }
 452
 453
 454 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 455                            const u8 *bssid, const u8 *ie, size_t ie_len,
 456                            int ssi_signal)
 457 {
 458 #ifdef CONFIG_P2P
 459         struct wpa_supplicant *wpa_s = ctx;
 460         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 461                                      ssi_signal);
 462 #else /* CONFIG_P2P */
 463         return 0;
 464 #endif /* CONFIG_P2P */
 465 }
 466
 467
 468 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 469                                   const u8 *uuid_e)
 470 {
 471 #ifdef CONFIG_P2P
 472         struct wpa_supplicant *wpa_s = ctx;
 473         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 474 #endif /* CONFIG_P2P */
 475 }
 476
 477
 478 static void wpas_ap_configured_cb(void *ctx)
 479 {
 480         struct wpa_supplicant *wpa_s = ctx;
 481
 482         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 483
 484         if (wpa_s->ap_configured_cb)
 485                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 486                                         wpa_s->ap_configured_cb_data);
 487 }
 488
 489
 490 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 491                              struct wpa_ssid *ssid)
 492 {
 493         struct wpa_driver_associate_params params;
 494         struct hostapd_iface *hapd_iface;
 495         struct hostapd_config *conf;
 496         size_t i;
 497
 498         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 499                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 500                 return -1;
 501         }
 502
 503         wpa_supplicant_ap_deinit(wpa_s);
 504
 505         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 506                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 507
 508         os_memset(&params, 0, sizeof(params));
 509         params.ssid = ssid->ssid;
 510         params.ssid_len = ssid->ssid_len;
 511         switch (ssid->mode) {
 512         case WPAS_MODE_AP:
 513         case WPAS_MODE_P2P_GO:
 514         case WPAS_MODE_P2P_GROUP_FORMATION:
 515                 params.mode = IEEE80211_MODE_AP;
 516                 break;
 517         default:
 518                 return -1;
 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 if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 550                 params.uapsd = 1; /* mandatory for P2P GO */
 551         else
 552                 params.uapsd = -1;
 553
 554         if (wpa_drv_associate(wpa_s, &params) < 0) {
 555                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 556                 return -1;
 557         }
 558
 559         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 560         if (hapd_iface == NULL)
 561                 return -1;
 562         hapd_iface->owner = wpa_s;
 563         hapd_iface->drv_flags = wpa_s->drv_flags;
 564         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 565         hapd_iface->extended_capa = wpa_s->extended_capa;
 566         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 567         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 568
 569         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 570         if (conf == NULL) {
 571                 wpa_supplicant_ap_deinit(wpa_s);
 572                 return -1;
 573         }
 574
 575         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 576                   wpa_s->conf->wmm_ac_params,
 577                   sizeof(wpa_s->conf->wmm_ac_params));
 578
 579         if (params.uapsd > 0) {
 580                 conf->bss[0]->wmm_enabled = 1;
 581                 conf->bss[0]->wmm_uapsd = 1;
 582         }
 583
 584         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 585                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 586                 wpa_supplicant_ap_deinit(wpa_s);
 587                 return -1;
 588         }
 589
 590 #ifdef CONFIG_P2P
 591         if (ssid->mode == WPAS_MODE_P2P_GO)
 592                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 593         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 594                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 595                         P2P_GROUP_FORMATION;
 596 #endif /* CONFIG_P2P */
 597
 598         hapd_iface->num_bss = conf->num_bss;
 599         hapd_iface->bss = os_calloc(conf->num_bss,
 600                                     sizeof(struct hostapd_data *));
 601         if (hapd_iface->bss == NULL) {
 602                 wpa_supplicant_ap_deinit(wpa_s);
 603                 return -1;
 604         }
 605
 606         for (i = 0; i < conf->num_bss; i++) {
 607                 hapd_iface->bss[i] =
 608                         hostapd_alloc_bss_data(hapd_iface, conf,
 609                                                conf->bss[i]);
 610                 if (hapd_iface->bss[i] == NULL) {
 611                         wpa_supplicant_ap_deinit(wpa_s);
 612                         return -1;
 613                 }
 614
 615                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 616                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 617                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 618                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 619                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 620                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 621                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 622                                              ap_probe_req_rx, wpa_s);
 623                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 624                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 625                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 626                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 627                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 628                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 629 #ifdef CONFIG_P2P
 630                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 631                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 632                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 633                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 634                                                                     ssid);
 635 #endif /* CONFIG_P2P */
 636                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 637                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 638         }
 639
 640         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 641         hapd_iface->bss[0]->driver = wpa_s->driver;
 642         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 643
 644         wpa_s->current_ssid = ssid;
 645         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 646         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 647         wpa_s->assoc_freq = ssid->frequency;
 648
 649         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 650                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 651                 wpa_supplicant_ap_deinit(wpa_s);
 652                 return -1;
 653         }
 654
 655         return 0;
 656 }
 657
 658
 659 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 660 {
 661 #ifdef CONFIG_WPS
 662         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 663 #endif /* CONFIG_WPS */
 664
 665         if (wpa_s->ap_iface == NULL)
 666                 return;
 667
 668         wpa_s->current_ssid = NULL;
 669         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 670         wpa_s->assoc_freq = 0;
 671 #ifdef CONFIG_P2P
 672         if (wpa_s->ap_iface->bss)
 673                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 674         wpas_p2p_group_deinit(wpa_s);
 675 #endif /* CONFIG_P2P */
 676         wpa_s->ap_iface->driver_ap_teardown =
 677                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 678
 679         hostapd_interface_deinit(wpa_s->ap_iface);
 680         hostapd_interface_free(wpa_s->ap_iface);
 681         wpa_s->ap_iface = NULL;
 682         wpa_drv_deinit_ap(wpa_s);
 683 }
 684
 685
 686 void ap_tx_status(void *ctx, const u8 *addr,
 687                   const u8 *buf, size_t len, int ack)
 688 {
 689 #ifdef NEED_AP_MLME
 690         struct wpa_supplicant *wpa_s = ctx;
 691         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 692 #endif /* NEED_AP_MLME */
 693 }
 694
 695
 696 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 697                         const u8 *data, size_t len, int ack)
 698 {
 699 #ifdef NEED_AP_MLME
 700         struct wpa_supplicant *wpa_s = ctx;
 701         if (!wpa_s->ap_iface)
 702                 return;
 703         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 704 #endif /* NEED_AP_MLME */
 705 }
 706
 707
 708 void ap_client_poll_ok(void *ctx, const u8 *addr)
 709 {
 710 #ifdef NEED_AP_MLME
 711         struct wpa_supplicant *wpa_s = ctx;
 712         if (wpa_s->ap_iface)
 713                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 714 #endif /* NEED_AP_MLME */
 715 }
 716
 717
 718 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 719 {
 720 #ifdef NEED_AP_MLME
 721         struct wpa_supplicant *wpa_s = ctx;
 722         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 723 #endif /* NEED_AP_MLME */
 724 }
 725
 726
 727 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 728 {
 729 #ifdef NEED_AP_MLME
 730         struct wpa_supplicant *wpa_s = ctx;
 731         struct hostapd_frame_info fi;
 732         os_memset(&fi, 0, sizeof(fi));
 733         fi.datarate = rx_mgmt->datarate;
 734         fi.ssi_signal = rx_mgmt->ssi_signal;
 735         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 736                         rx_mgmt->frame_len, &fi);
 737 #endif /* NEED_AP_MLME */
 738 }
 739
 740
 741 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 742 {
 743 #ifdef NEED_AP_MLME
 744         struct wpa_supplicant *wpa_s = ctx;
 745         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 746 #endif /* NEED_AP_MLME */
 747 }
 748
 749
 750 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 751                                 const u8 *src_addr, const u8 *buf, size_t len)
 752 {
 753         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 754 }
 755
 756
 757 #ifdef CONFIG_WPS
 758
 759 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 760                               const u8 *p2p_dev_addr)
 761 {
 762         if (!wpa_s->ap_iface)
 763                 return -1;
 764         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 765                                          p2p_dev_addr);
 766 }
 767
 768
 769 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 770 {
 771         struct wps_registrar *reg;
 772         int reg_sel = 0, wps_sta = 0;
 773
 774         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 775                 return -1;
 776
 777         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 778         reg_sel = wps_registrar_wps_cancel(reg);
 779         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 780                                   ap_sta_wps_cancel, NULL);
 781
 782         if (!reg_sel && !wps_sta) {
 783                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 784                            "time");
 785                 return -1;
 786         }
 787
 788         /*
 789          * There are 2 cases to return wps cancel as success:
 790          * 1. When wps cancel was initiated but no connection has been
 791          *    established with client yet.
 792          * 2. Client is in the middle of exchanging WPS messages.
 793          */
 794
 795         return 0;
 796 }
 797
 798
 799 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 800                               const char *pin, char *buf, size_t buflen,
 801                               int timeout)
 802 {
 803         int ret, ret_len = 0;
 804
 805         if (!wpa_s->ap_iface)
 806                 return -1;
 807
 808         if (pin == NULL) {
 809                 unsigned int rpin = wps_generate_pin();
 810                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 811                 pin = buf;
 812         } else
 813                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 814
 815         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 816                                   timeout);
 817         if (ret)
 818                 return -1;
 819         return ret_len;
 820 }
 821
 822
 823 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 824 {
 825         struct wpa_supplicant *wpa_s = eloop_data;
 826         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 827         wpas_wps_ap_pin_disable(wpa_s);
 828 }
 829
 830
 831 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 832 {
 833         struct hostapd_data *hapd;
 834
 835         if (wpa_s->ap_iface == NULL)
 836                 return;
 837         hapd = wpa_s->ap_iface->bss[0];
 838         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 839         hapd->ap_pin_failures = 0;
 840         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 841         if (timeout > 0)
 842                 eloop_register_timeout(timeout, 0,
 843                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 844 }
 845
 846
 847 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 848 {
 849         struct hostapd_data *hapd;
 850
 851         if (wpa_s->ap_iface == NULL)
 852                 return;
 853         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 854         hapd = wpa_s->ap_iface->bss[0];
 855         os_free(hapd->conf->ap_pin);
 856         hapd->conf->ap_pin = NULL;
 857         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 858 }
 859
 860
 861 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 862 {
 863         struct hostapd_data *hapd;
 864         unsigned int pin;
 865         char pin_txt[9];
 866
 867         if (wpa_s->ap_iface == NULL)
 868                 return NULL;
 869         hapd = wpa_s->ap_iface->bss[0];
 870         pin = wps_generate_pin();
 871         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 872         os_free(hapd->conf->ap_pin);
 873         hapd->conf->ap_pin = os_strdup(pin_txt);
 874         if (hapd->conf->ap_pin == NULL)
 875                 return NULL;
 876         wpas_wps_ap_pin_enable(wpa_s, timeout);
 877
 878         return hapd->conf->ap_pin;
 879 }
 880
 881
 882 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 883 {
 884         struct hostapd_data *hapd;
 885         if (wpa_s->ap_iface == NULL)
 886                 return NULL;
 887         hapd = wpa_s->ap_iface->bss[0];
 888         return hapd->conf->ap_pin;
 889 }
 890
 891
 892 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 893                         int timeout)
 894 {
 895         struct hostapd_data *hapd;
 896         char pin_txt[9];
 897         int ret;
 898
 899         if (wpa_s->ap_iface == NULL)
 900                 return -1;
 901         hapd = wpa_s->ap_iface->bss[0];
 902         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 903         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 904                 return -1;
 905         os_free(hapd->conf->ap_pin);
 906         hapd->conf->ap_pin = os_strdup(pin_txt);
 907         if (hapd->conf->ap_pin == NULL)
 908                 return -1;
 909         wpas_wps_ap_pin_enable(wpa_s, timeout);
 910
 911         return 0;
 912 }
 913
 914
 915 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 916 {
 917         struct hostapd_data *hapd;
 918
 919         if (wpa_s->ap_iface == NULL)
 920                 return;
 921         hapd = wpa_s->ap_iface->bss[0];
 922
 923         /*
 924          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 925          * PIN if this happens multiple times to slow down brute force attacks.
 926          */
 927         hapd->ap_pin_failures++;
 928         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 929                    hapd->ap_pin_failures);
 930         if (hapd->ap_pin_failures < 3)
 931                 return;
 932
 933         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 934         hapd->ap_pin_failures = 0;
 935         os_free(hapd->conf->ap_pin);
 936         hapd->conf->ap_pin = NULL;
 937 }
 938
 939
 940 #ifdef CONFIG_WPS_NFC
 941
 942 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 943                                              int ndef)
 944 {
 945         struct hostapd_data *hapd;
 946
 947         if (wpa_s->ap_iface == NULL)
 948                 return NULL;
 949         hapd = wpa_s->ap_iface->bss[0];
 950         return hostapd_wps_nfc_config_token(hapd, ndef);
 951 }
 952
 953
 954 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 955                                              int ndef)
 956 {
 957         struct hostapd_data *hapd;
 958
 959         if (wpa_s->ap_iface == NULL)
 960                 return NULL;
 961         hapd = wpa_s->ap_iface->bss[0];
 962         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 963 }
 964
 965
 966 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 967                                     const struct wpabuf *req,
 968                                     const struct wpabuf *sel)
 969 {
 970         struct hostapd_data *hapd;
 971
 972         if (wpa_s->ap_iface == NULL)
 973                 return -1;
 974         hapd = wpa_s->ap_iface->bss[0];
 975         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 976 }
 977
 978 #endif /* CONFIG_WPS_NFC */
 979
 980 #endif /* CONFIG_WPS */
 981
 982
 983 #ifdef CONFIG_CTRL_IFACE
 984
 985 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 986                             char *buf, size_t buflen)
 987 {
 988         if (wpa_s->ap_iface == NULL)
 989                 return -1;
 990         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 991                                             buf, buflen);
 992 }
 993
 994
 995 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 996                       char *buf, size_t buflen)
 997 {
 998         if (wpa_s->ap_iface == NULL)
 999                 return -1;
1000         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
1001                                       buf, buflen);
1002 }
1003
1004
1005 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1006                            char *buf, size_t buflen)
1007 {
1008         if (wpa_s->ap_iface == NULL)
1009                 return -1;
1010         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1011                                            buf, buflen);
1012 }
1013
1014
1015 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1016                                    const char *txtaddr)
1017 {
1018         if (wpa_s->ap_iface == NULL)
1019                 return -1;
1020         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1021                                                txtaddr);
1022 }
1023
1024
1025 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1026                                      const char *txtaddr)
1027 {
1028         if (wpa_s->ap_iface == NULL)
1029                 return -1;
1030         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1031                                                  txtaddr);
1032 }
1033
1034
1035 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1036                                  size_t buflen, int verbose)
1037 {
1038         char *pos = buf, *end = buf + buflen;
1039         int ret;
1040         struct hostapd_bss_config *conf;
1041
1042         if (wpa_s->ap_iface == NULL)
1043                 return -1;
1044
1045         conf = wpa_s->ap_iface->bss[0]->conf;
1046         if (conf->wpa == 0)
1047                 return 0;
1048
1049         ret = os_snprintf(pos, end - pos,
1050                           "pairwise_cipher=%s\n"
1051                           "group_cipher=%s\n"
1052                           "key_mgmt=%s\n",
1053                           wpa_cipher_txt(conf->rsn_pairwise),
1054                           wpa_cipher_txt(conf->wpa_group),
1055                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1056                                            conf->wpa));
1057         if (ret < 0 || ret >= end - pos)
1058                 return pos - buf;
1059         pos += ret;
1060         return pos - buf;
1061 }
1062
1063 #endif /* CONFIG_CTRL_IFACE */
1064
1065
1066 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1067 {
1068         struct hostapd_iface *iface = wpa_s->ap_iface;
1069         struct wpa_ssid *ssid = wpa_s->current_ssid;
1070         struct hostapd_data *hapd;
1071
1072         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1073             ssid->mode == WPAS_MODE_INFRA ||
1074             ssid->mode == WPAS_MODE_IBSS)
1075                 return -1;
1076
1077 #ifdef CONFIG_P2P
1078         if (ssid->mode == WPAS_MODE_P2P_GO)
1079                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1080         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1081                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1082                         P2P_GROUP_FORMATION;
1083 #endif /* CONFIG_P2P */
1084
1085         hapd = iface->bss[0];
1086         if (hapd->drv_priv == NULL)
1087                 return -1;
1088         ieee802_11_set_beacons(iface);
1089         hostapd_set_ap_wps_ie(hapd);
1090
1091         return 0;
1092 }
1093
1094
1095 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1096                       struct csa_settings *settings)
1097 {
1098 #ifdef NEED_AP_MLME
1099         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1100                 return -1;
1101
1102         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1103 #else /* NEED_AP_MLME */
1104         return -1;
1105 #endif /* NEED_AP_MLME */
1106 }
1107
1108
1109 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1110 {
1111         struct csa_settings settings;
1112         int ret = hostapd_parse_csa_settings(pos, &settings);
1113
1114         if (ret)
1115                 return ret;
1116
1117         return ap_switch_channel(wpa_s, &settings);
1118 }
1119
1120
1121 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1122                        int offset, int width, int cf1, int cf2)
1123 {
1124         if (!wpa_s->ap_iface)
1125                 return;
1126
1127         wpa_s->assoc_freq = freq;
1128         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1129 }
1130
1131
1132 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1133                                       const u8 *addr)
1134 {
1135         struct hostapd_data *hapd;
1136         struct hostapd_bss_config *conf;
1137
1138         if (!wpa_s->ap_iface)
1139                 return -1;
1140
1141         if (addr)
1142                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1143                            MAC2STR(addr));
1144         else
1145                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1146
1147         hapd = wpa_s->ap_iface->bss[0];
1148         conf = hapd->conf;
1149
1150         os_free(conf->accept_mac);
1151         conf->accept_mac = NULL;
1152         conf->num_accept_mac = 0;
1153         os_free(conf->deny_mac);
1154         conf->deny_mac = NULL;
1155         conf->num_deny_mac = 0;
1156
1157         if (addr == NULL) {
1158                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1159                 return 0;
1160         }
1161
1162         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1163         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1164         if (conf->accept_mac == NULL)
1165                 return -1;
1166         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1167         conf->num_accept_mac = 1;
1168
1169         return 0;
1170 }
1171
1172
1173 #ifdef CONFIG_WPS_NFC
1174 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1175                            const struct wpabuf *pw, const u8 *pubkey_hash)
1176 {
1177         struct hostapd_data *hapd;
1178         struct wps_context *wps;
1179
1180         if (!wpa_s->ap_iface)
1181                 return -1;
1182         hapd = wpa_s->ap_iface->bss[0];
1183         wps = hapd->wps;
1184
1185         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1186             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1187                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1188                 return -1;
1189         }
1190
1191         dh5_free(wps->dh_ctx);
1192         wpabuf_free(wps->dh_pubkey);
1193         wpabuf_free(wps->dh_privkey);
1194         wps->dh_privkey = wpabuf_dup(
1195                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1196         wps->dh_pubkey = wpabuf_dup(
1197                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1198         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1199                 wps->dh_ctx = NULL;
1200                 wpabuf_free(wps->dh_pubkey);
1201                 wps->dh_pubkey = NULL;
1202                 wpabuf_free(wps->dh_privkey);
1203                 wps->dh_privkey = NULL;
1204                 return -1;
1205         }
1206         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1207         if (wps->dh_ctx == NULL)
1208                 return -1;
1209
1210         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1211                                               pw_id,
1212                                               pw ? wpabuf_head(pw) : NULL,
1213                                               pw ? wpabuf_len(pw) : 0, 1);
1214 }
1215 #endif /* CONFIG_WPS_NFC */