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 void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
  79                                struct wpa_ssid *ssid,
  80                                struct hostapd_config *conf)
  81 {
  82         /* TODO: enable HT40 if driver supports it;
  83          * drop to 11b if driver does not support 11g */
  84
  85 #ifdef CONFIG_IEEE80211N
  86         /*
  87          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
  88          * and a mask of allowed capabilities within conf->ht_capab.
  89          * Using default config settings for: conf->ht_op_mode_fixed,
  90          * conf->secondary_channel, conf->require_ht
  91          */
  92         if (wpa_s->hw.modes) {
  93                 struct hostapd_hw_modes *mode = NULL;
  94                 int i, no_ht = 0;
  95                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
  96                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
  97                                 mode = &wpa_s->hw.modes[i];
  98                                 break;
  99                         }
 100                 }
 101
 102 #ifdef CONFIG_HT_OVERRIDES
 103                 if (ssid->disable_ht) {
 104                         conf->ieee80211n = 0;
 105                         conf->ht_capab = 0;
 106                         no_ht = 1;
 107                 }
 108 #endif /* CONFIG_HT_OVERRIDES */
 109
 110                 if (!no_ht && mode && mode->ht_capab) {
 111                         conf->ieee80211n = 1;
 112 #ifdef CONFIG_P2P
 113                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 114                             (mode->ht_capab &
 115                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 116                             ssid->ht40)
 117                                 conf->secondary_channel =
 118                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 119                                                                conf->channel);
 120                         if (conf->secondary_channel)
 121                                 conf->ht_capab |=
 122                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 123 #endif /* CONFIG_P2P */
 124
 125                         /*
 126                          * white-list capabilities that won't cause issues
 127                          * to connecting stations, while leaving the current
 128                          * capabilities intact (currently disabled SMPS).
 129                          */
 130                         conf->ht_capab |= mode->ht_capab &
 131                                 (HT_CAP_INFO_GREEN_FIELD |
 132                                  HT_CAP_INFO_SHORT_GI20MHZ |
 133                                  HT_CAP_INFO_SHORT_GI40MHZ |
 134                                  HT_CAP_INFO_RX_STBC_MASK |
 135                                  HT_CAP_INFO_TX_STBC |
 136                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 137
 138                         if (mode->vht_capab && ssid->vht) {
 139                                 conf->ieee80211ac = 1;
 140                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 141                         }
 142                 }
 143         }
 144 #endif /* CONFIG_IEEE80211N */
 145 }
 146
 147
 148 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 149                                   struct wpa_ssid *ssid,
 150                                   struct hostapd_config *conf)
 151 {
 152         struct hostapd_bss_config *bss = conf->bss[0];
 153
 154         conf->driver = wpa_s->driver;
 155
 156         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 157
 158         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 159                                                &conf->channel);
 160         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 161                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 162                            ssid->frequency);
 163                 return -1;
 164         }
 165
 166         wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
 167
 168 #ifdef CONFIG_P2P
 169         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 170             (ssid->mode == WPAS_MODE_P2P_GO ||
 171              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 172                 /* Remove 802.11b rates from supported and basic rate sets */
 173                 int *list = os_malloc(4 * sizeof(int));
 174                 if (list) {
 175                         list[0] = 60;
 176                         list[1] = 120;
 177                         list[2] = 240;
 178                         list[3] = -1;
 179                 }
 180                 conf->basic_rates = list;
 181
 182                 list = os_malloc(9 * sizeof(int));
 183                 if (list) {
 184                         list[0] = 60;
 185                         list[1] = 90;
 186                         list[2] = 120;
 187                         list[3] = 180;
 188                         list[4] = 240;
 189                         list[5] = 360;
 190                         list[6] = 480;
 191                         list[7] = 540;
 192                         list[8] = -1;
 193                 }
 194                 conf->supported_rates = list;
 195         }
 196
 197         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 198         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 199
 200         if (ssid->p2p_group) {
 201                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 202                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 203                           4);
 204                 os_memcpy(bss->ip_addr_start,
 205                           wpa_s->parent->conf->ip_addr_start, 4);
 206                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 207                           4);
 208         }
 209 #endif /* CONFIG_P2P */
 210
 211         if (ssid->ssid_len == 0) {
 212                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 213                 return -1;
 214         }
 215         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 216         bss->ssid.ssid_len = ssid->ssid_len;
 217         bss->ssid.ssid_set = 1;
 218
 219         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 220
 221         if (ssid->auth_alg)
 222                 bss->auth_algs = ssid->auth_alg;
 223
 224         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 225                 bss->wpa = ssid->proto;
 226         bss->wpa_key_mgmt = ssid->key_mgmt;
 227         bss->wpa_pairwise = ssid->pairwise_cipher;
 228         if (ssid->psk_set) {
 229                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 230                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 231                 if (bss->ssid.wpa_psk == NULL)
 232                         return -1;
 233                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 234                 bss->ssid.wpa_psk->group = 1;
 235         } else if (ssid->passphrase) {
 236                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 237         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 238                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 239                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 240                 int i;
 241                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 242                         if (ssid->wep_key_len[i] == 0)
 243                                 continue;
 244                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 245                         if (wep->key[i] == NULL)
 246                                 return -1;
 247                         os_memcpy(wep->key[i], ssid->wep_key[i],
 248                                   ssid->wep_key_len[i]);
 249                         wep->len[i] = ssid->wep_key_len[i];
 250                 }
 251                 wep->idx = ssid->wep_tx_keyidx;
 252                 wep->keys_set = 1;
 253         }
 254
 255         if (ssid->ap_max_inactivity)
 256                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 257
 258         if (ssid->dtim_period)
 259                 bss->dtim_period = ssid->dtim_period;
 260         else if (wpa_s->conf->dtim_period)
 261                 bss->dtim_period = wpa_s->conf->dtim_period;
 262
 263         if (ssid->beacon_int)
 264                 conf->beacon_int = ssid->beacon_int;
 265         else if (wpa_s->conf->beacon_int)
 266                 conf->beacon_int = wpa_s->conf->beacon_int;
 267
 268         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 269                 bss->rsn_pairwise = bss->wpa_pairwise;
 270         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 271                                                     bss->rsn_pairwise);
 272
 273         if (bss->wpa && bss->ieee802_1x)
 274                 bss->ssid.security_policy = SECURITY_WPA;
 275         else if (bss->wpa)
 276                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 277         else if (bss->ieee802_1x) {
 278                 int cipher = WPA_CIPHER_NONE;
 279                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 280                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 281                 if (bss->default_wep_key_len)
 282                         cipher = bss->default_wep_key_len >= 13 ?
 283                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 284                 bss->wpa_group = cipher;
 285                 bss->wpa_pairwise = cipher;
 286                 bss->rsn_pairwise = cipher;
 287         } else if (bss->ssid.wep.keys_set) {
 288                 int cipher = WPA_CIPHER_WEP40;
 289                 if (bss->ssid.wep.len[0] >= 13)
 290                         cipher = WPA_CIPHER_WEP104;
 291                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 292                 bss->wpa_group = cipher;
 293                 bss->wpa_pairwise = cipher;
 294                 bss->rsn_pairwise = cipher;
 295         } else {
 296                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 297                 bss->wpa_group = WPA_CIPHER_NONE;
 298                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 299                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 300         }
 301
 302         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 303             (bss->wpa_group == WPA_CIPHER_CCMP ||
 304              bss->wpa_group == WPA_CIPHER_GCMP ||
 305              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 306              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 307                 /*
 308                  * Strong ciphers do not need frequent rekeying, so increase
 309                  * the default GTK rekeying period to 24 hours.
 310                  */
 311                 bss->wpa_group_rekey = 86400;
 312         }
 313
 314 #ifdef CONFIG_IEEE80211W
 315         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 316                 bss->ieee80211w = ssid->ieee80211w;
 317 #endif /* CONFIG_IEEE80211W */
 318
 319 #ifdef CONFIG_WPS
 320         /*
 321          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 322          * require user interaction to actually use it. Only the internal
 323          * Registrar is supported.
 324          */
 325         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 326             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 327                 goto no_wps;
 328         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 329             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 330              !(bss->wpa & 2)))
 331                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 332                               * configuration */
 333         bss->eap_server = 1;
 334
 335         if (!ssid->ignore_broadcast_ssid)
 336                 bss->wps_state = 2;
 337
 338         bss->ap_setup_locked = 2;
 339         if (wpa_s->conf->config_methods)
 340                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 341         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 342                   WPS_DEV_TYPE_LEN);
 343         if (wpa_s->conf->device_name) {
 344                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 345                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 346         }
 347         if (wpa_s->conf->manufacturer)
 348                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 349         if (wpa_s->conf->model_name)
 350                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 351         if (wpa_s->conf->model_number)
 352                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 353         if (wpa_s->conf->serial_number)
 354                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 355         if (is_nil_uuid(wpa_s->conf->uuid))
 356                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 357         else
 358                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 359         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 360         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 361 no_wps:
 362 #endif /* CONFIG_WPS */
 363
 364         if (wpa_s->max_stations &&
 365             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 366                 bss->max_num_sta = wpa_s->max_stations;
 367         else
 368                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 369
 370         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 371
 372         if (wpa_s->conf->ap_vendor_elements) {
 373                 bss->vendor_elements =
 374                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 375         }
 376
 377         return 0;
 378 }
 379
 380
 381 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 382 {
 383 #ifdef CONFIG_P2P
 384         struct wpa_supplicant *wpa_s = ctx;
 385         const struct ieee80211_mgmt *mgmt;
 386
 387         mgmt = (const struct ieee80211_mgmt *) buf;
 388         if (len < IEEE80211_HDRLEN + 1)
 389                 return;
 390         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 391                 return;
 392         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 393                            mgmt->u.action.category,
 394                            buf + IEEE80211_HDRLEN + 1,
 395                            len - IEEE80211_HDRLEN - 1, freq);
 396 #endif /* CONFIG_P2P */
 397 }
 398
 399
 400 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 401                             union wps_event_data *data)
 402 {
 403 #ifdef CONFIG_P2P
 404         struct wpa_supplicant *wpa_s = ctx;
 405
 406         if (event == WPS_EV_FAIL) {
 407                 struct wps_event_fail *fail = &data->fail;
 408
 409                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 410                     wpa_s == wpa_s->global->p2p_group_formation) {
 411                         /*
 412                          * src/ap/wps_hostapd.c has already sent this on the
 413                          * main interface, so only send on the parent interface
 414                          * here if needed.
 415                          */
 416                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 417                                 "msg=%d config_error=%d",
 418                                 fail->msg, fail->config_error);
 419                 }
 420                 wpas_p2p_wps_failed(wpa_s, fail);
 421         }
 422 #endif /* CONFIG_P2P */
 423 }
 424
 425
 426 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 427                                  int authorized, const u8 *p2p_dev_addr)
 428 {
 429         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 430 }
 431
 432
 433 #ifdef CONFIG_P2P
 434 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 435                           const u8 *psk, size_t psk_len)
 436 {
 437
 438         struct wpa_supplicant *wpa_s = ctx;
 439         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 440                 return;
 441         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 442 }
 443 #endif /* CONFIG_P2P */
 444
 445
 446 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 447 {
 448 #ifdef CONFIG_P2P
 449         struct wpa_supplicant *wpa_s = ctx;
 450         const struct ieee80211_mgmt *mgmt;
 451
 452         mgmt = (const struct ieee80211_mgmt *) buf;
 453         if (len < IEEE80211_HDRLEN + 1)
 454                 return -1;
 455         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 456                            mgmt->u.action.category,
 457                            buf + IEEE80211_HDRLEN + 1,
 458                            len - IEEE80211_HDRLEN - 1, freq);
 459 #endif /* CONFIG_P2P */
 460         return 0;
 461 }
 462
 463
 464 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 465                            const u8 *bssid, const u8 *ie, size_t ie_len,
 466                            int ssi_signal)
 467 {
 468         struct wpa_supplicant *wpa_s = ctx;
 469         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 470                                      ssi_signal);
 471 }
 472
 473
 474 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 475                                   const u8 *uuid_e)
 476 {
 477         struct wpa_supplicant *wpa_s = ctx;
 478         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 479 }
 480
 481
 482 static void wpas_ap_configured_cb(void *ctx)
 483 {
 484         struct wpa_supplicant *wpa_s = ctx;
 485
 486         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 487
 488         if (wpa_s->ap_configured_cb)
 489                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 490                                         wpa_s->ap_configured_cb_data);
 491 }
 492
 493
 494 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 495                              struct wpa_ssid *ssid)
 496 {
 497         struct wpa_driver_associate_params params;
 498         struct hostapd_iface *hapd_iface;
 499         struct hostapd_config *conf;
 500         size_t i;
 501
 502         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 503                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 504                 return -1;
 505         }
 506
 507         wpa_supplicant_ap_deinit(wpa_s);
 508
 509         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 510                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 511
 512         os_memset(&params, 0, sizeof(params));
 513         params.ssid = ssid->ssid;
 514         params.ssid_len = ssid->ssid_len;
 515         switch (ssid->mode) {
 516         case WPAS_MODE_AP:
 517         case WPAS_MODE_P2P_GO:
 518         case WPAS_MODE_P2P_GROUP_FORMATION:
 519                 params.mode = IEEE80211_MODE_AP;
 520                 break;
 521         default:
 522                 return -1;
 523         }
 524         if (ssid->frequency == 0)
 525                 ssid->frequency = 2462; /* default channel 11 */
 526         params.freq.freq = ssid->frequency;
 527
 528         params.wpa_proto = ssid->proto;
 529         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 530                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 531         else
 532                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 533         params.key_mgmt_suite = wpa_s->key_mgmt;
 534
 535         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 536                                                           1);
 537         if (wpa_s->pairwise_cipher < 0) {
 538                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 539                            "cipher.");
 540                 return -1;
 541         }
 542         params.pairwise_suite = wpa_s->pairwise_cipher;
 543         params.group_suite = params.pairwise_suite;
 544
 545 #ifdef CONFIG_P2P
 546         if (ssid->mode == WPAS_MODE_P2P_GO ||
 547             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 548                 params.p2p = 1;
 549 #endif /* CONFIG_P2P */
 550
 551         if (wpa_s->parent->set_ap_uapsd)
 552                 params.uapsd = wpa_s->parent->ap_uapsd;
 553         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 554                 params.uapsd = 1; /* mandatory for P2P GO */
 555         else
 556                 params.uapsd = -1;
 557
 558         if (wpa_drv_associate(wpa_s, &params) < 0) {
 559                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 560                 return -1;
 561         }
 562
 563         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 564         if (hapd_iface == NULL)
 565                 return -1;
 566         hapd_iface->owner = wpa_s;
 567         hapd_iface->drv_flags = wpa_s->drv_flags;
 568         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 569         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 570         hapd_iface->extended_capa = wpa_s->extended_capa;
 571         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 572         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 573
 574         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 575         if (conf == NULL) {
 576                 wpa_supplicant_ap_deinit(wpa_s);
 577                 return -1;
 578         }
 579
 580         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 581                   wpa_s->conf->wmm_ac_params,
 582                   sizeof(wpa_s->conf->wmm_ac_params));
 583
 584         if (params.uapsd > 0) {
 585                 conf->bss[0]->wmm_enabled = 1;
 586                 conf->bss[0]->wmm_uapsd = 1;
 587         }
 588
 589         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 590                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 591                 wpa_supplicant_ap_deinit(wpa_s);
 592                 return -1;
 593         }
 594
 595 #ifdef CONFIG_P2P
 596         if (ssid->mode == WPAS_MODE_P2P_GO)
 597                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 598         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 599                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 600                         P2P_GROUP_FORMATION;
 601 #endif /* CONFIG_P2P */
 602
 603         hapd_iface->num_bss = conf->num_bss;
 604         hapd_iface->bss = os_calloc(conf->num_bss,
 605                                     sizeof(struct hostapd_data *));
 606         if (hapd_iface->bss == NULL) {
 607                 wpa_supplicant_ap_deinit(wpa_s);
 608                 return -1;
 609         }
 610
 611         for (i = 0; i < conf->num_bss; i++) {
 612                 hapd_iface->bss[i] =
 613                         hostapd_alloc_bss_data(hapd_iface, conf,
 614                                                conf->bss[i]);
 615                 if (hapd_iface->bss[i] == NULL) {
 616                         wpa_supplicant_ap_deinit(wpa_s);
 617                         return -1;
 618                 }
 619
 620                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 621                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 622                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 623                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 624                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 625                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 626                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 627                                              ap_probe_req_rx, wpa_s);
 628                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 629                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 630                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 631                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 632                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 633                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 634 #ifdef CONFIG_P2P
 635                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 636                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 637                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 638                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 639                                                                     ssid);
 640 #endif /* CONFIG_P2P */
 641                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 642                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 643 #ifdef CONFIG_TESTING_OPTIONS
 644                 hapd_iface->bss[i]->ext_eapol_frame_io =
 645                         wpa_s->ext_eapol_frame_io;
 646 #endif /* CONFIG_TESTING_OPTIONS */
 647         }
 648
 649         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 650         hapd_iface->bss[0]->driver = wpa_s->driver;
 651         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 652
 653         wpa_s->current_ssid = ssid;
 654         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 655         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 656         wpa_s->assoc_freq = ssid->frequency;
 657
 658         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 659                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 660                 wpa_supplicant_ap_deinit(wpa_s);
 661                 return -1;
 662         }
 663
 664         return 0;
 665 }
 666
 667
 668 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 669 {
 670 #ifdef CONFIG_WPS
 671         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 672 #endif /* CONFIG_WPS */
 673
 674         if (wpa_s->ap_iface == NULL)
 675                 return;
 676
 677         wpa_s->current_ssid = NULL;
 678         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 679         wpa_s->assoc_freq = 0;
 680         wpas_p2p_ap_deinit(wpa_s);
 681         wpa_s->ap_iface->driver_ap_teardown =
 682                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 683
 684         hostapd_interface_deinit(wpa_s->ap_iface);
 685         hostapd_interface_free(wpa_s->ap_iface);
 686         wpa_s->ap_iface = NULL;
 687         wpa_drv_deinit_ap(wpa_s);
 688 }
 689
 690
 691 void ap_tx_status(void *ctx, const u8 *addr,
 692                   const u8 *buf, size_t len, int ack)
 693 {
 694 #ifdef NEED_AP_MLME
 695         struct wpa_supplicant *wpa_s = ctx;
 696         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 697 #endif /* NEED_AP_MLME */
 698 }
 699
 700
 701 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 702                         const u8 *data, size_t len, int ack)
 703 {
 704 #ifdef NEED_AP_MLME
 705         struct wpa_supplicant *wpa_s = ctx;
 706         if (!wpa_s->ap_iface)
 707                 return;
 708         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 709 #endif /* NEED_AP_MLME */
 710 }
 711
 712
 713 void ap_client_poll_ok(void *ctx, const u8 *addr)
 714 {
 715 #ifdef NEED_AP_MLME
 716         struct wpa_supplicant *wpa_s = ctx;
 717         if (wpa_s->ap_iface)
 718                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 719 #endif /* NEED_AP_MLME */
 720 }
 721
 722
 723 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 724 {
 725 #ifdef NEED_AP_MLME
 726         struct wpa_supplicant *wpa_s = ctx;
 727         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 728 #endif /* NEED_AP_MLME */
 729 }
 730
 731
 732 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 733 {
 734 #ifdef NEED_AP_MLME
 735         struct wpa_supplicant *wpa_s = ctx;
 736         struct hostapd_frame_info fi;
 737         os_memset(&fi, 0, sizeof(fi));
 738         fi.datarate = rx_mgmt->datarate;
 739         fi.ssi_signal = rx_mgmt->ssi_signal;
 740         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 741                         rx_mgmt->frame_len, &fi);
 742 #endif /* NEED_AP_MLME */
 743 }
 744
 745
 746 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 747 {
 748 #ifdef NEED_AP_MLME
 749         struct wpa_supplicant *wpa_s = ctx;
 750         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 751 #endif /* NEED_AP_MLME */
 752 }
 753
 754
 755 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 756                                 const u8 *src_addr, const u8 *buf, size_t len)
 757 {
 758         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 759 }
 760
 761
 762 #ifdef CONFIG_WPS
 763
 764 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 765                               const u8 *p2p_dev_addr)
 766 {
 767         if (!wpa_s->ap_iface)
 768                 return -1;
 769         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 770                                          p2p_dev_addr);
 771 }
 772
 773
 774 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 775 {
 776         struct wps_registrar *reg;
 777         int reg_sel = 0, wps_sta = 0;
 778
 779         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 780                 return -1;
 781
 782         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 783         reg_sel = wps_registrar_wps_cancel(reg);
 784         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 785                                   ap_sta_wps_cancel, NULL);
 786
 787         if (!reg_sel && !wps_sta) {
 788                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 789                            "time");
 790                 return -1;
 791         }
 792
 793         /*
 794          * There are 2 cases to return wps cancel as success:
 795          * 1. When wps cancel was initiated but no connection has been
 796          *    established with client yet.
 797          * 2. Client is in the middle of exchanging WPS messages.
 798          */
 799
 800         return 0;
 801 }
 802
 803
 804 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 805                               const char *pin, char *buf, size_t buflen,
 806                               int timeout)
 807 {
 808         int ret, ret_len = 0;
 809
 810         if (!wpa_s->ap_iface)
 811                 return -1;
 812
 813         if (pin == NULL) {
 814                 unsigned int rpin = wps_generate_pin();
 815                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 816                 if (os_snprintf_error(buflen, ret_len))
 817                         return -1;
 818                 pin = buf;
 819         } else if (buf) {
 820                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 821                 if (os_snprintf_error(buflen, ret_len))
 822                         return -1;
 823         }
 824
 825         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 826                                   timeout);
 827         if (ret)
 828                 return -1;
 829         return ret_len;
 830 }
 831
 832
 833 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 834 {
 835         struct wpa_supplicant *wpa_s = eloop_data;
 836         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 837         wpas_wps_ap_pin_disable(wpa_s);
 838 }
 839
 840
 841 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 842 {
 843         struct hostapd_data *hapd;
 844
 845         if (wpa_s->ap_iface == NULL)
 846                 return;
 847         hapd = wpa_s->ap_iface->bss[0];
 848         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 849         hapd->ap_pin_failures = 0;
 850         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 851         if (timeout > 0)
 852                 eloop_register_timeout(timeout, 0,
 853                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 854 }
 855
 856
 857 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 858 {
 859         struct hostapd_data *hapd;
 860
 861         if (wpa_s->ap_iface == NULL)
 862                 return;
 863         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 864         hapd = wpa_s->ap_iface->bss[0];
 865         os_free(hapd->conf->ap_pin);
 866         hapd->conf->ap_pin = NULL;
 867         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 868 }
 869
 870
 871 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 872 {
 873         struct hostapd_data *hapd;
 874         unsigned int pin;
 875         char pin_txt[9];
 876
 877         if (wpa_s->ap_iface == NULL)
 878                 return NULL;
 879         hapd = wpa_s->ap_iface->bss[0];
 880         pin = wps_generate_pin();
 881         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 882         os_free(hapd->conf->ap_pin);
 883         hapd->conf->ap_pin = os_strdup(pin_txt);
 884         if (hapd->conf->ap_pin == NULL)
 885                 return NULL;
 886         wpas_wps_ap_pin_enable(wpa_s, timeout);
 887
 888         return hapd->conf->ap_pin;
 889 }
 890
 891
 892 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 893 {
 894         struct hostapd_data *hapd;
 895         if (wpa_s->ap_iface == NULL)
 896                 return NULL;
 897         hapd = wpa_s->ap_iface->bss[0];
 898         return hapd->conf->ap_pin;
 899 }
 900
 901
 902 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 903                         int timeout)
 904 {
 905         struct hostapd_data *hapd;
 906         char pin_txt[9];
 907         int ret;
 908
 909         if (wpa_s->ap_iface == NULL)
 910                 return -1;
 911         hapd = wpa_s->ap_iface->bss[0];
 912         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 913         if (os_snprintf_error(sizeof(pin_txt), ret))
 914                 return -1;
 915         os_free(hapd->conf->ap_pin);
 916         hapd->conf->ap_pin = os_strdup(pin_txt);
 917         if (hapd->conf->ap_pin == NULL)
 918                 return -1;
 919         wpas_wps_ap_pin_enable(wpa_s, timeout);
 920
 921         return 0;
 922 }
 923
 924
 925 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 926 {
 927         struct hostapd_data *hapd;
 928
 929         if (wpa_s->ap_iface == NULL)
 930                 return;
 931         hapd = wpa_s->ap_iface->bss[0];
 932
 933         /*
 934          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 935          * PIN if this happens multiple times to slow down brute force attacks.
 936          */
 937         hapd->ap_pin_failures++;
 938         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 939                    hapd->ap_pin_failures);
 940         if (hapd->ap_pin_failures < 3)
 941                 return;
 942
 943         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 944         hapd->ap_pin_failures = 0;
 945         os_free(hapd->conf->ap_pin);
 946         hapd->conf->ap_pin = NULL;
 947 }
 948
 949
 950 #ifdef CONFIG_WPS_NFC
 951
 952 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 953                                              int ndef)
 954 {
 955         struct hostapd_data *hapd;
 956
 957         if (wpa_s->ap_iface == NULL)
 958                 return NULL;
 959         hapd = wpa_s->ap_iface->bss[0];
 960         return hostapd_wps_nfc_config_token(hapd, ndef);
 961 }
 962
 963
 964 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 965                                              int ndef)
 966 {
 967         struct hostapd_data *hapd;
 968
 969         if (wpa_s->ap_iface == NULL)
 970                 return NULL;
 971         hapd = wpa_s->ap_iface->bss[0];
 972         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 973 }
 974
 975
 976 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
 977                                     const struct wpabuf *req,
 978                                     const struct wpabuf *sel)
 979 {
 980         struct hostapd_data *hapd;
 981
 982         if (wpa_s->ap_iface == NULL)
 983                 return -1;
 984         hapd = wpa_s->ap_iface->bss[0];
 985         return hostapd_wps_nfc_report_handover(hapd, req, sel);
 986 }
 987
 988 #endif /* CONFIG_WPS_NFC */
 989
 990 #endif /* CONFIG_WPS */
 991
 992
 993 #ifdef CONFIG_CTRL_IFACE
 994
 995 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 996                             char *buf, size_t buflen)
 997 {
 998         struct hostapd_data *hapd;
 999
1000         if (wpa_s->ap_iface)
1001                 hapd = wpa_s->ap_iface->bss[0];
1002         else if (wpa_s->ifmsh)
1003                 hapd = wpa_s->ifmsh->bss[0];
1004         else
1005                 return -1;
1006         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1007 }
1008
1009
1010 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1011                       char *buf, size_t buflen)
1012 {
1013         struct hostapd_data *hapd;
1014
1015         if (wpa_s->ap_iface)
1016                 hapd = wpa_s->ap_iface->bss[0];
1017         else if (wpa_s->ifmsh)
1018                 hapd = wpa_s->ifmsh->bss[0];
1019         else
1020                 return -1;
1021         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1022 }
1023
1024
1025 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1026                            char *buf, size_t buflen)
1027 {
1028         struct hostapd_data *hapd;
1029
1030         if (wpa_s->ap_iface)
1031                 hapd = wpa_s->ap_iface->bss[0];
1032         else if (wpa_s->ifmsh)
1033                 hapd = wpa_s->ifmsh->bss[0];
1034         else
1035                 return -1;
1036         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1037 }
1038
1039
1040 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1041                                    const char *txtaddr)
1042 {
1043         if (wpa_s->ap_iface == NULL)
1044                 return -1;
1045         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1046                                                txtaddr);
1047 }
1048
1049
1050 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1051                                      const char *txtaddr)
1052 {
1053         if (wpa_s->ap_iface == NULL)
1054                 return -1;
1055         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1056                                                  txtaddr);
1057 }
1058
1059
1060 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1061                                  size_t buflen, int verbose)
1062 {
1063         char *pos = buf, *end = buf + buflen;
1064         int ret;
1065         struct hostapd_bss_config *conf;
1066
1067         if (wpa_s->ap_iface == NULL)
1068                 return -1;
1069
1070         conf = wpa_s->ap_iface->bss[0]->conf;
1071         if (conf->wpa == 0)
1072                 return 0;
1073
1074         ret = os_snprintf(pos, end - pos,
1075                           "pairwise_cipher=%s\n"
1076                           "group_cipher=%s\n"
1077                           "key_mgmt=%s\n",
1078                           wpa_cipher_txt(conf->rsn_pairwise),
1079                           wpa_cipher_txt(conf->wpa_group),
1080                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1081                                            conf->wpa));
1082         if (os_snprintf_error(end - pos, ret))
1083                 return pos - buf;
1084         pos += ret;
1085         return pos - buf;
1086 }
1087
1088 #endif /* CONFIG_CTRL_IFACE */
1089
1090
1091 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1092 {
1093         struct hostapd_iface *iface = wpa_s->ap_iface;
1094         struct wpa_ssid *ssid = wpa_s->current_ssid;
1095         struct hostapd_data *hapd;
1096
1097         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1098             ssid->mode == WPAS_MODE_INFRA ||
1099             ssid->mode == WPAS_MODE_IBSS)
1100                 return -1;
1101
1102 #ifdef CONFIG_P2P
1103         if (ssid->mode == WPAS_MODE_P2P_GO)
1104                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1105         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1106                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1107                         P2P_GROUP_FORMATION;
1108 #endif /* CONFIG_P2P */
1109
1110         hapd = iface->bss[0];
1111         if (hapd->drv_priv == NULL)
1112                 return -1;
1113         ieee802_11_set_beacons(iface);
1114         hostapd_set_ap_wps_ie(hapd);
1115
1116         return 0;
1117 }
1118
1119
1120 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1121                       struct csa_settings *settings)
1122 {
1123 #ifdef NEED_AP_MLME
1124         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1125                 return -1;
1126
1127         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1128 #else /* NEED_AP_MLME */
1129         return -1;
1130 #endif /* NEED_AP_MLME */
1131 }
1132
1133
1134 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1135 {
1136         struct csa_settings settings;
1137         int ret = hostapd_parse_csa_settings(pos, &settings);
1138
1139         if (ret)
1140                 return ret;
1141
1142         return ap_switch_channel(wpa_s, &settings);
1143 }
1144
1145
1146 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1147                        int offset, int width, int cf1, int cf2)
1148 {
1149         if (!wpa_s->ap_iface)
1150                 return;
1151
1152         wpa_s->assoc_freq = freq;
1153         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1154 }
1155
1156
1157 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1158                                       const u8 *addr)
1159 {
1160         struct hostapd_data *hapd;
1161         struct hostapd_bss_config *conf;
1162
1163         if (!wpa_s->ap_iface)
1164                 return -1;
1165
1166         if (addr)
1167                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1168                            MAC2STR(addr));
1169         else
1170                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1171
1172         hapd = wpa_s->ap_iface->bss[0];
1173         conf = hapd->conf;
1174
1175         os_free(conf->accept_mac);
1176         conf->accept_mac = NULL;
1177         conf->num_accept_mac = 0;
1178         os_free(conf->deny_mac);
1179         conf->deny_mac = NULL;
1180         conf->num_deny_mac = 0;
1181
1182         if (addr == NULL) {
1183                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1184                 return 0;
1185         }
1186
1187         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1188         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1189         if (conf->accept_mac == NULL)
1190                 return -1;
1191         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1192         conf->num_accept_mac = 1;
1193
1194         return 0;
1195 }
1196
1197
1198 #ifdef CONFIG_WPS_NFC
1199 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1200                            const struct wpabuf *pw, const u8 *pubkey_hash)
1201 {
1202         struct hostapd_data *hapd;
1203         struct wps_context *wps;
1204
1205         if (!wpa_s->ap_iface)
1206                 return -1;
1207         hapd = wpa_s->ap_iface->bss[0];
1208         wps = hapd->wps;
1209
1210         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1211             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1212                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1213                 return -1;
1214         }
1215
1216         dh5_free(wps->dh_ctx);
1217         wpabuf_free(wps->dh_pubkey);
1218         wpabuf_free(wps->dh_privkey);
1219         wps->dh_privkey = wpabuf_dup(
1220                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1221         wps->dh_pubkey = wpabuf_dup(
1222                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1223         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1224                 wps->dh_ctx = NULL;
1225                 wpabuf_free(wps->dh_pubkey);
1226                 wps->dh_pubkey = NULL;
1227                 wpabuf_free(wps->dh_privkey);
1228                 wps->dh_privkey = NULL;
1229                 return -1;
1230         }
1231         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1232         if (wps->dh_ctx == NULL)
1233                 return -1;
1234
1235         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1236                                               pw_id,
1237                                               pw ? wpabuf_head(pw) : NULL,
1238                                               pw ? wpabuf_len(pw) : 0, 1);
1239 }
1240 #endif /* CONFIG_WPS_NFC */