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 | WPA_CIPHER_GCMP)) ||
 321              !(bss->wpa & 2)))
 322                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 323                               * configuration */
 324         bss->eap_server = 1;
 325
 326         if (!ssid->ignore_broadcast_ssid)
 327                 bss->wps_state = 2;
 328
 329         bss->ap_setup_locked = 2;
 330         if (wpa_s->conf->config_methods)
 331                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 332         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 333                   WPS_DEV_TYPE_LEN);
 334         if (wpa_s->conf->device_name) {
 335                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 336                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 337         }
 338         if (wpa_s->conf->manufacturer)
 339                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 340         if (wpa_s->conf->model_name)
 341                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 342         if (wpa_s->conf->model_number)
 343                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 344         if (wpa_s->conf->serial_number)
 345                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 346         if (is_nil_uuid(wpa_s->conf->uuid))
 347                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 348         else
 349                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 350         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 351         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 352 no_wps:
 353 #endif /* CONFIG_WPS */
 354
 355         if (wpa_s->max_stations &&
 356             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 357                 bss->max_num_sta = wpa_s->max_stations;
 358         else
 359                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 360
 361         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 362
 363         if (wpa_s->conf->ap_vendor_elements) {
 364                 bss->vendor_elements =
 365                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 366         }
 367
 368         return 0;
 369 }
 370
 371
 372 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 373 {
 374 #ifdef CONFIG_P2P
 375         struct wpa_supplicant *wpa_s = ctx;
 376         const struct ieee80211_mgmt *mgmt;
 377
 378         mgmt = (const struct ieee80211_mgmt *) buf;
 379         if (len < IEEE80211_HDRLEN + 1)
 380                 return;
 381         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 382                 return;
 383         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 384                            mgmt->u.action.category,
 385                            buf + IEEE80211_HDRLEN + 1,
 386                            len - IEEE80211_HDRLEN - 1, freq);
 387 #endif /* CONFIG_P2P */
 388 }
 389
 390
 391 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 392                             union wps_event_data *data)
 393 {
 394 #ifdef CONFIG_P2P
 395         struct wpa_supplicant *wpa_s = ctx;
 396
 397         if (event == WPS_EV_FAIL) {
 398                 struct wps_event_fail *fail = &data->fail;
 399
 400                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 401                     wpa_s == wpa_s->global->p2p_group_formation) {
 402                         /*
 403                          * src/ap/wps_hostapd.c has already sent this on the
 404                          * main interface, so only send on the parent interface
 405                          * here if needed.
 406                          */
 407                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 408                                 "msg=%d config_error=%d",
 409                                 fail->msg, fail->config_error);
 410                 }
 411                 wpas_p2p_wps_failed(wpa_s, fail);
 412         }
 413 #endif /* CONFIG_P2P */
 414 }
 415
 416
 417 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 418                                  int authorized, const u8 *p2p_dev_addr)
 419 {
 420         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 421 }
 422
 423
 424 #ifdef CONFIG_P2P
 425 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 426                           const u8 *psk, size_t psk_len)
 427 {
 428
 429         struct wpa_supplicant *wpa_s = ctx;
 430         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 431                 return;
 432         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 433 }
 434 #endif /* CONFIG_P2P */
 435
 436
 437 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 438 {
 439 #ifdef CONFIG_P2P
 440         struct wpa_supplicant *wpa_s = ctx;
 441         const struct ieee80211_mgmt *mgmt;
 442
 443         mgmt = (const struct ieee80211_mgmt *) buf;
 444         if (len < IEEE80211_HDRLEN + 1)
 445                 return -1;
 446         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 447                            mgmt->u.action.category,
 448                            buf + IEEE80211_HDRLEN + 1,
 449                            len - IEEE80211_HDRLEN - 1, freq);
 450 #endif /* CONFIG_P2P */
 451         return 0;
 452 }
 453
 454
 455 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 456                            const u8 *bssid, const u8 *ie, size_t ie_len,
 457                            int ssi_signal)
 458 {
 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 }
 463
 464
 465 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 466                                   const u8 *uuid_e)
 467 {
 468         struct wpa_supplicant *wpa_s = ctx;
 469         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 470 }
 471
 472
 473 static void wpas_ap_configured_cb(void *ctx)
 474 {
 475         struct wpa_supplicant *wpa_s = ctx;
 476
 477         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 478
 479         if (wpa_s->ap_configured_cb)
 480                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 481                                         wpa_s->ap_configured_cb_data);
 482 }
 483
 484
 485 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 486                              struct wpa_ssid *ssid)
 487 {
 488         struct wpa_driver_associate_params params;
 489         struct hostapd_iface *hapd_iface;
 490         struct hostapd_config *conf;
 491         size_t i;
 492
 493         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 494                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 495                 return -1;
 496         }
 497
 498         wpa_supplicant_ap_deinit(wpa_s);
 499
 500         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 501                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 502
 503         os_memset(&params, 0, sizeof(params));
 504         params.ssid = ssid->ssid;
 505         params.ssid_len = ssid->ssid_len;
 506         switch (ssid->mode) {
 507         case WPAS_MODE_AP:
 508         case WPAS_MODE_P2P_GO:
 509         case WPAS_MODE_P2P_GROUP_FORMATION:
 510                 params.mode = IEEE80211_MODE_AP;
 511                 break;
 512         default:
 513                 return -1;
 514         }
 515         if (ssid->frequency == 0)
 516                 ssid->frequency = 2462; /* default channel 11 */
 517         params.freq.freq = ssid->frequency;
 518
 519         params.wpa_proto = ssid->proto;
 520         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 521                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 522         else
 523                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 524         params.key_mgmt_suite = wpa_s->key_mgmt;
 525
 526         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 527                                                           1);
 528         if (wpa_s->pairwise_cipher < 0) {
 529                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 530                            "cipher.");
 531                 return -1;
 532         }
 533         params.pairwise_suite = wpa_s->pairwise_cipher;
 534         params.group_suite = params.pairwise_suite;
 535
 536 #ifdef CONFIG_P2P
 537         if (ssid->mode == WPAS_MODE_P2P_GO ||
 538             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 539                 params.p2p = 1;
 540 #endif /* CONFIG_P2P */
 541
 542         if (wpa_s->parent->set_ap_uapsd)
 543                 params.uapsd = wpa_s->parent->ap_uapsd;
 544         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 545                 params.uapsd = 1; /* mandatory for P2P GO */
 546         else
 547                 params.uapsd = -1;
 548
 549         if (wpa_drv_associate(wpa_s, &params) < 0) {
 550                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 551                 return -1;
 552         }
 553
 554         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 555         if (hapd_iface == NULL)
 556                 return -1;
 557         hapd_iface->owner = wpa_s;
 558         hapd_iface->drv_flags = wpa_s->drv_flags;
 559         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 560         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 561         hapd_iface->extended_capa = wpa_s->extended_capa;
 562         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 563         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 564
 565         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 566         if (conf == NULL) {
 567                 wpa_supplicant_ap_deinit(wpa_s);
 568                 return -1;
 569         }
 570
 571         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 572                   wpa_s->conf->wmm_ac_params,
 573                   sizeof(wpa_s->conf->wmm_ac_params));
 574
 575         if (params.uapsd > 0) {
 576                 conf->bss[0]->wmm_enabled = 1;
 577                 conf->bss[0]->wmm_uapsd = 1;
 578         }
 579
 580         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 581                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 582                 wpa_supplicant_ap_deinit(wpa_s);
 583                 return -1;
 584         }
 585
 586 #ifdef CONFIG_P2P
 587         if (ssid->mode == WPAS_MODE_P2P_GO)
 588                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 589         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 590                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 591                         P2P_GROUP_FORMATION;
 592 #endif /* CONFIG_P2P */
 593
 594         hapd_iface->num_bss = conf->num_bss;
 595         hapd_iface->bss = os_calloc(conf->num_bss,
 596                                     sizeof(struct hostapd_data *));
 597         if (hapd_iface->bss == NULL) {
 598                 wpa_supplicant_ap_deinit(wpa_s);
 599                 return -1;
 600         }
 601
 602         for (i = 0; i < conf->num_bss; i++) {
 603                 hapd_iface->bss[i] =
 604                         hostapd_alloc_bss_data(hapd_iface, conf,
 605                                                conf->bss[i]);
 606                 if (hapd_iface->bss[i] == NULL) {
 607                         wpa_supplicant_ap_deinit(wpa_s);
 608                         return -1;
 609                 }
 610
 611                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 612                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 613                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 614                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 615                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 616                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 617                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 618                                              ap_probe_req_rx, wpa_s);
 619                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 620                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 621                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 622                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 623                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 624                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 625 #ifdef CONFIG_P2P
 626                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 627                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 628                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 629                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 630                                                                     ssid);
 631 #endif /* CONFIG_P2P */
 632                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 633                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 634 #ifdef CONFIG_TESTING_OPTIONS
 635                 hapd_iface->bss[i]->ext_eapol_frame_io =
 636                         wpa_s->ext_eapol_frame_io;
 637 #endif /* CONFIG_TESTING_OPTIONS */
 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         wpas_p2p_ap_deinit(wpa_s);
 672         wpa_s->ap_iface->driver_ap_teardown =
 673                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 674
 675         hostapd_interface_deinit(wpa_s->ap_iface);
 676         hostapd_interface_free(wpa_s->ap_iface);
 677         wpa_s->ap_iface = NULL;
 678         wpa_drv_deinit_ap(wpa_s);
 679 }
 680
 681
 682 void ap_tx_status(void *ctx, const u8 *addr,
 683                   const u8 *buf, size_t len, int ack)
 684 {
 685 #ifdef NEED_AP_MLME
 686         struct wpa_supplicant *wpa_s = ctx;
 687         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 688 #endif /* NEED_AP_MLME */
 689 }
 690
 691
 692 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 693                         const u8 *data, size_t len, int ack)
 694 {
 695 #ifdef NEED_AP_MLME
 696         struct wpa_supplicant *wpa_s = ctx;
 697         if (!wpa_s->ap_iface)
 698                 return;
 699         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 700 #endif /* NEED_AP_MLME */
 701 }
 702
 703
 704 void ap_client_poll_ok(void *ctx, const u8 *addr)
 705 {
 706 #ifdef NEED_AP_MLME
 707         struct wpa_supplicant *wpa_s = ctx;
 708         if (wpa_s->ap_iface)
 709                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 710 #endif /* NEED_AP_MLME */
 711 }
 712
 713
 714 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 715 {
 716 #ifdef NEED_AP_MLME
 717         struct wpa_supplicant *wpa_s = ctx;
 718         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 719 #endif /* NEED_AP_MLME */
 720 }
 721
 722
 723 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 724 {
 725 #ifdef NEED_AP_MLME
 726         struct wpa_supplicant *wpa_s = ctx;
 727         struct hostapd_frame_info fi;
 728         os_memset(&fi, 0, sizeof(fi));
 729         fi.datarate = rx_mgmt->datarate;
 730         fi.ssi_signal = rx_mgmt->ssi_signal;
 731         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 732                         rx_mgmt->frame_len, &fi);
 733 #endif /* NEED_AP_MLME */
 734 }
 735
 736
 737 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 738 {
 739 #ifdef NEED_AP_MLME
 740         struct wpa_supplicant *wpa_s = ctx;
 741         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 742 #endif /* NEED_AP_MLME */
 743 }
 744
 745
 746 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 747                                 const u8 *src_addr, const u8 *buf, size_t len)
 748 {
 749         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 750 }
 751
 752
 753 #ifdef CONFIG_WPS
 754
 755 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 756                               const u8 *p2p_dev_addr)
 757 {
 758         if (!wpa_s->ap_iface)
 759                 return -1;
 760         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 761                                          p2p_dev_addr);
 762 }
 763
 764
 765 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 766 {
 767         struct wps_registrar *reg;
 768         int reg_sel = 0, wps_sta = 0;
 769
 770         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 771                 return -1;
 772
 773         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 774         reg_sel = wps_registrar_wps_cancel(reg);
 775         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 776                                   ap_sta_wps_cancel, NULL);
 777
 778         if (!reg_sel && !wps_sta) {
 779                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 780                            "time");
 781                 return -1;
 782         }
 783
 784         /*
 785          * There are 2 cases to return wps cancel as success:
 786          * 1. When wps cancel was initiated but no connection has been
 787          *    established with client yet.
 788          * 2. Client is in the middle of exchanging WPS messages.
 789          */
 790
 791         return 0;
 792 }
 793
 794
 795 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 796                               const char *pin, char *buf, size_t buflen,
 797                               int timeout)
 798 {
 799         int ret, ret_len = 0;
 800
 801         if (!wpa_s->ap_iface)
 802                 return -1;
 803
 804         if (pin == NULL) {
 805                 unsigned int rpin = wps_generate_pin();
 806                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 807                 pin = buf;
 808         } else
 809                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 810
 811         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 812                                   timeout);
 813         if (ret)
 814                 return -1;
 815         return ret_len;
 816 }
 817
 818
 819 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 820 {
 821         struct wpa_supplicant *wpa_s = eloop_data;
 822         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 823         wpas_wps_ap_pin_disable(wpa_s);
 824 }
 825
 826
 827 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 828 {
 829         struct hostapd_data *hapd;
 830
 831         if (wpa_s->ap_iface == NULL)
 832                 return;
 833         hapd = wpa_s->ap_iface->bss[0];
 834         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 835         hapd->ap_pin_failures = 0;
 836         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 837         if (timeout > 0)
 838                 eloop_register_timeout(timeout, 0,
 839                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 840 }
 841
 842
 843 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 844 {
 845         struct hostapd_data *hapd;
 846
 847         if (wpa_s->ap_iface == NULL)
 848                 return;
 849         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 850         hapd = wpa_s->ap_iface->bss[0];
 851         os_free(hapd->conf->ap_pin);
 852         hapd->conf->ap_pin = NULL;
 853         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 854 }
 855
 856
 857 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 858 {
 859         struct hostapd_data *hapd;
 860         unsigned int pin;
 861         char pin_txt[9];
 862
 863         if (wpa_s->ap_iface == NULL)
 864                 return NULL;
 865         hapd = wpa_s->ap_iface->bss[0];
 866         pin = wps_generate_pin();
 867         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 868         os_free(hapd->conf->ap_pin);
 869         hapd->conf->ap_pin = os_strdup(pin_txt);
 870         if (hapd->conf->ap_pin == NULL)
 871                 return NULL;
 872         wpas_wps_ap_pin_enable(wpa_s, timeout);
 873
 874         return hapd->conf->ap_pin;
 875 }
 876
 877
 878 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 879 {
 880         struct hostapd_data *hapd;
 881         if (wpa_s->ap_iface == NULL)
 882                 return NULL;
 883         hapd = wpa_s->ap_iface->bss[0];
 884         return hapd->conf->ap_pin;
 885 }
 886
 887
 888 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 889                         int timeout)
 890 {
 891         struct hostapd_data *hapd;
 892         char pin_txt[9];
 893         int ret;
 894
 895         if (wpa_s->ap_iface == NULL)
 896                 return -1;
 897         hapd = wpa_s->ap_iface->bss[0];
 898         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 899         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 900                 return -1;
 901         os_free(hapd->conf->ap_pin);
 902         hapd->conf->ap_pin = os_strdup(pin_txt);
 903         if (hapd->conf->ap_pin == NULL)
 904                 return -1;
 905         wpas_wps_ap_pin_enable(wpa_s, timeout);
 906
 907         return 0;
 908 }
 909
 910
 911 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 912 {
 913         struct hostapd_data *hapd;
 914
 915         if (wpa_s->ap_iface == NULL)
 916                 return;
 917         hapd = wpa_s->ap_iface->bss[0];
 918
 919         /*
 920          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 921          * PIN if this happens multiple times to slow down brute force attacks.
 922          */
 923         hapd->ap_pin_failures++;
 924         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 925                    hapd->ap_pin_failures);
 926         if (hapd->ap_pin_failures < 3)
 927                 return;
 928
 929         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 930         hapd->ap_pin_failures = 0;
 931         os_free(hapd->conf->ap_pin);
 932         hapd->conf->ap_pin = NULL;
 933 }
 934
 935
 936 #ifdef CONFIG_WPS_NFC
 937
 938 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 939                                              int ndef)
 940 {
 941         struct hostapd_data *hapd;
 942
 943         if (wpa_s->ap_iface == NULL)
 944                 return NULL;
 945         hapd = wpa_s->ap_iface->bss[0];
 946         return hostapd_wps_nfc_config_token(hapd, ndef);
 947 }
 948
 949
 950 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 951                                              int ndef)
 952 {
 953         struct hostapd_data *hapd;
 954
 955         if (wpa_s->ap_iface == NULL)
 956                 return NULL;
 957         hapd = wpa_s->ap_iface->bss[0];
 958         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 959 }
 960
 961
 962 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 963                                     const struct wpabuf *req,
 964                                     const struct wpabuf *sel)
 965 {
 966         struct hostapd_data *hapd;
 967
 968         if (wpa_s->ap_iface == NULL)
 969                 return -1;
 970         hapd = wpa_s->ap_iface->bss[0];
 971         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 972 }
 973
 974 #endif /* CONFIG_WPS_NFC */
 975
 976 #endif /* CONFIG_WPS */
 977
 978
 979 #ifdef CONFIG_CTRL_IFACE
 980
 981 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 982                             char *buf, size_t buflen)
 983 {
 984         if (wpa_s->ap_iface == NULL)
 985                 return -1;
 986         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 987                                             buf, buflen);
 988 }
 989
 990
 991 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 992                       char *buf, size_t buflen)
 993 {
 994         if (wpa_s->ap_iface == NULL)
 995                 return -1;
 996         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
 997                                       buf, buflen);
 998 }
 999
1000
1001 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1002                            char *buf, size_t buflen)
1003 {
1004         if (wpa_s->ap_iface == NULL)
1005                 return -1;
1006         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1007                                            buf, buflen);
1008 }
1009
1010
1011 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1012                                    const char *txtaddr)
1013 {
1014         if (wpa_s->ap_iface == NULL)
1015                 return -1;
1016         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1017                                                txtaddr);
1018 }
1019
1020
1021 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1022                                      const char *txtaddr)
1023 {
1024         if (wpa_s->ap_iface == NULL)
1025                 return -1;
1026         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1027                                                  txtaddr);
1028 }
1029
1030
1031 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1032                                  size_t buflen, int verbose)
1033 {
1034         char *pos = buf, *end = buf + buflen;
1035         int ret;
1036         struct hostapd_bss_config *conf;
1037
1038         if (wpa_s->ap_iface == NULL)
1039                 return -1;
1040
1041         conf = wpa_s->ap_iface->bss[0]->conf;
1042         if (conf->wpa == 0)
1043                 return 0;
1044
1045         ret = os_snprintf(pos, end - pos,
1046                           "pairwise_cipher=%s\n"
1047                           "group_cipher=%s\n"
1048                           "key_mgmt=%s\n",
1049                           wpa_cipher_txt(conf->rsn_pairwise),
1050                           wpa_cipher_txt(conf->wpa_group),
1051                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1052                                            conf->wpa));
1053         if (ret < 0 || ret >= end - pos)
1054                 return pos - buf;
1055         pos += ret;
1056         return pos - buf;
1057 }
1058
1059 #endif /* CONFIG_CTRL_IFACE */
1060
1061
1062 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1063 {
1064         struct hostapd_iface *iface = wpa_s->ap_iface;
1065         struct wpa_ssid *ssid = wpa_s->current_ssid;
1066         struct hostapd_data *hapd;
1067
1068         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1069             ssid->mode == WPAS_MODE_INFRA ||
1070             ssid->mode == WPAS_MODE_IBSS)
1071                 return -1;
1072
1073 #ifdef CONFIG_P2P
1074         if (ssid->mode == WPAS_MODE_P2P_GO)
1075                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1076         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1077                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1078                         P2P_GROUP_FORMATION;
1079 #endif /* CONFIG_P2P */
1080
1081         hapd = iface->bss[0];
1082         if (hapd->drv_priv == NULL)
1083                 return -1;
1084         ieee802_11_set_beacons(iface);
1085         hostapd_set_ap_wps_ie(hapd);
1086
1087         return 0;
1088 }
1089
1090
1091 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1092                       struct csa_settings *settings)
1093 {
1094 #ifdef NEED_AP_MLME
1095         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1096                 return -1;
1097
1098         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1099 #else /* NEED_AP_MLME */
1100         return -1;
1101 #endif /* NEED_AP_MLME */
1102 }
1103
1104
1105 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1106 {
1107         struct csa_settings settings;
1108         int ret = hostapd_parse_csa_settings(pos, &settings);
1109
1110         if (ret)
1111                 return ret;
1112
1113         return ap_switch_channel(wpa_s, &settings);
1114 }
1115
1116
1117 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1118                        int offset, int width, int cf1, int cf2)
1119 {
1120         if (!wpa_s->ap_iface)
1121                 return;
1122
1123         wpa_s->assoc_freq = freq;
1124         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1125 }
1126
1127
1128 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1129                                       const u8 *addr)
1130 {
1131         struct hostapd_data *hapd;
1132         struct hostapd_bss_config *conf;
1133
1134         if (!wpa_s->ap_iface)
1135                 return -1;
1136
1137         if (addr)
1138                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1139                            MAC2STR(addr));
1140         else
1141                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1142
1143         hapd = wpa_s->ap_iface->bss[0];
1144         conf = hapd->conf;
1145
1146         os_free(conf->accept_mac);
1147         conf->accept_mac = NULL;
1148         conf->num_accept_mac = 0;
1149         os_free(conf->deny_mac);
1150         conf->deny_mac = NULL;
1151         conf->num_deny_mac = 0;
1152
1153         if (addr == NULL) {
1154                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1155                 return 0;
1156         }
1157
1158         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1159         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1160         if (conf->accept_mac == NULL)
1161                 return -1;
1162         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1163         conf->num_accept_mac = 1;
1164
1165         return 0;
1166 }
1167
1168
1169 #ifdef CONFIG_WPS_NFC
1170 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1171                            const struct wpabuf *pw, const u8 *pubkey_hash)
1172 {
1173         struct hostapd_data *hapd;
1174         struct wps_context *wps;
1175
1176         if (!wpa_s->ap_iface)
1177                 return -1;
1178         hapd = wpa_s->ap_iface->bss[0];
1179         wps = hapd->wps;
1180
1181         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1182             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1183                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1184                 return -1;
1185         }
1186
1187         dh5_free(wps->dh_ctx);
1188         wpabuf_free(wps->dh_pubkey);
1189         wpabuf_free(wps->dh_privkey);
1190         wps->dh_privkey = wpabuf_dup(
1191                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1192         wps->dh_pubkey = wpabuf_dup(
1193                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1194         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1195                 wps->dh_ctx = NULL;
1196                 wpabuf_free(wps->dh_pubkey);
1197                 wps->dh_pubkey = NULL;
1198                 wpabuf_free(wps->dh_privkey);
1199                 wps->dh_privkey = NULL;
1200                 return -1;
1201         }
1202         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1203         if (wps->dh_ctx == NULL)
1204                 return -1;
1205
1206         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1207                                               pw_id,
1208                                               pw ? wpabuf_head(pw) : NULL,
1209                                               pw ? wpabuf_len(pw) : 0, 1);
1210 }
1211 #endif /* CONFIG_WPS_NFC */