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 "ap/hostapd.h"
  19 #include "ap/ap_config.h"
  20 #include "ap/ap_drv_ops.h"
  21 #ifdef NEED_AP_MLME
  22 #include "ap/ieee802_11.h"
  23 #endif /* NEED_AP_MLME */
  24 #include "ap/beacon.h"
  25 #include "ap/ieee802_1x.h"
  26 #include "ap/wps_hostapd.h"
  27 #include "ap/ctrl_iface_ap.h"
  28 #include "wps/wps.h"
  29 #include "common/ieee802_11_defs.h"
  30 #include "config_ssid.h"
  31 #include "config.h"
  32 #include "wpa_supplicant_i.h"
  33 #include "driver_i.h"
  34 #include "p2p_supplicant.h"
  35 #include "ap.h"
  36 #include "ap/sta_info.h"
  37 #include "notify.h"
  38
  39
  40 #ifdef CONFIG_WPS
  41 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
  42 #endif /* CONFIG_WPS */
  43
  44
  45 #ifdef CONFIG_IEEE80211N
  46 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
  47                              struct hostapd_config *conf,
  48                              struct hostapd_hw_modes *mode)
  49 {
  50         u8 center_chan = 0;
  51         u8 channel = conf->channel;
  52
  53         if (!conf->secondary_channel)
  54                 goto no_vht;
  55
  56         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  57         if (!center_chan)
  58                 goto no_vht;
  59
  60         /* Use 80 MHz channel */
  61         conf->vht_oper_chwidth = 1;
  62         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  63         return;
  64
  65 no_vht:
  66         conf->vht_oper_centr_freq_seg0_idx =
  67                 channel + conf->secondary_channel * 2;
  68 }
  69 #endif /* CONFIG_IEEE80211N */
  70
  71
  72 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
  73                                   struct wpa_ssid *ssid,
  74                                   struct hostapd_config *conf)
  75 {
  76         struct hostapd_bss_config *bss = conf->bss[0];
  77
  78         conf->driver = wpa_s->driver;
  79
  80         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
  81
  82         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
  83                                                &conf->channel);
  84         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
  85                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
  86                            ssid->frequency);
  87                 return -1;
  88         }
  89
  90         /* TODO: enable HT40 if driver supports it;
  91          * drop to 11b if driver does not support 11g */
  92
  93 #ifdef CONFIG_IEEE80211N
  94         /*
  95          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
  96          * and a mask of allowed capabilities within conf->ht_capab.
  97          * Using default config settings for: conf->ht_op_mode_fixed,
  98          * conf->secondary_channel, conf->require_ht
  99          */
 100         if (wpa_s->hw.modes) {
 101                 struct hostapd_hw_modes *mode = NULL;
 102                 int i, no_ht = 0;
 103                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 104                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 105                                 mode = &wpa_s->hw.modes[i];
 106                                 break;
 107                         }
 108                 }
 109
 110 #ifdef CONFIG_HT_OVERRIDES
 111                 if (ssid->disable_ht) {
 112                         conf->ieee80211n = 0;
 113                         conf->ht_capab = 0;
 114                         no_ht = 1;
 115                 }
 116 #endif /* CONFIG_HT_OVERRIDES */
 117
 118                 if (!no_ht && mode && mode->ht_capab) {
 119                         conf->ieee80211n = 1;
 120 #ifdef CONFIG_P2P
 121                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 122                             (mode->ht_capab &
 123                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 124                             ssid->ht40)
 125                                 conf->secondary_channel =
 126                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 127                                                                conf->channel);
 128                         if (conf->secondary_channel)
 129                                 conf->ht_capab |=
 130                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 131 #endif /* CONFIG_P2P */
 132
 133                         /*
 134                          * white-list capabilities that won't cause issues
 135                          * to connecting stations, while leaving the current
 136                          * capabilities intact (currently disabled SMPS).
 137                          */
 138                         conf->ht_capab |= mode->ht_capab &
 139                                 (HT_CAP_INFO_GREEN_FIELD |
 140                                  HT_CAP_INFO_SHORT_GI20MHZ |
 141                                  HT_CAP_INFO_SHORT_GI40MHZ |
 142                                  HT_CAP_INFO_RX_STBC_MASK |
 143                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 144
 145                         if (mode->vht_capab && ssid->vht) {
 146                                 conf->ieee80211ac = 1;
 147                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 148                         }
 149                 }
 150         }
 151 #endif /* CONFIG_IEEE80211N */
 152
 153 #ifdef CONFIG_P2P
 154         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 155             (ssid->mode == WPAS_MODE_P2P_GO ||
 156              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 157                 /* Remove 802.11b rates from supported and basic rate sets */
 158                 int *list = os_malloc(4 * sizeof(int));
 159                 if (list) {
 160                         list[0] = 60;
 161                         list[1] = 120;
 162                         list[2] = 240;
 163                         list[3] = -1;
 164                 }
 165                 conf->basic_rates = list;
 166
 167                 list = os_malloc(9 * sizeof(int));
 168                 if (list) {
 169                         list[0] = 60;
 170                         list[1] = 90;
 171                         list[2] = 120;
 172                         list[3] = 180;
 173                         list[4] = 240;
 174                         list[5] = 360;
 175                         list[6] = 480;
 176                         list[7] = 540;
 177                         list[8] = -1;
 178                 }
 179                 conf->supported_rates = list;
 180         }
 181
 182         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 183         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 184 #endif /* CONFIG_P2P */
 185
 186         if (ssid->ssid_len == 0) {
 187                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 188                 return -1;
 189         }
 190         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 191         bss->ssid.ssid_len = ssid->ssid_len;
 192         bss->ssid.ssid_set = 1;
 193
 194         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 195
 196         if (ssid->auth_alg)
 197                 bss->auth_algs = ssid->auth_alg;
 198
 199         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 200                 bss->wpa = ssid->proto;
 201         bss->wpa_key_mgmt = ssid->key_mgmt;
 202         bss->wpa_pairwise = ssid->pairwise_cipher;
 203         if (ssid->psk_set) {
 204                 os_free(bss->ssid.wpa_psk);
 205                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 206                 if (bss->ssid.wpa_psk == NULL)
 207                         return -1;
 208                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 209                 bss->ssid.wpa_psk->group = 1;
 210         } else if (ssid->passphrase) {
 211                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 212         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 213                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 214                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 215                 int i;
 216                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 217                         if (ssid->wep_key_len[i] == 0)
 218                                 continue;
 219                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 220                         if (wep->key[i] == NULL)
 221                                 return -1;
 222                         os_memcpy(wep->key[i], ssid->wep_key[i],
 223                                   ssid->wep_key_len[i]);
 224                         wep->len[i] = ssid->wep_key_len[i];
 225                 }
 226                 wep->idx = ssid->wep_tx_keyidx;
 227                 wep->keys_set = 1;
 228         }
 229
 230         if (ssid->ap_max_inactivity)
 231                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 232
 233         if (ssid->dtim_period)
 234                 bss->dtim_period = ssid->dtim_period;
 235         else if (wpa_s->conf->dtim_period)
 236                 bss->dtim_period = wpa_s->conf->dtim_period;
 237
 238         if (ssid->beacon_int)
 239                 conf->beacon_int = ssid->beacon_int;
 240         else if (wpa_s->conf->beacon_int)
 241                 conf->beacon_int = wpa_s->conf->beacon_int;
 242
 243         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 244                 bss->rsn_pairwise = bss->wpa_pairwise;
 245         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 246                                                     bss->rsn_pairwise);
 247
 248         if (bss->wpa && bss->ieee802_1x)
 249                 bss->ssid.security_policy = SECURITY_WPA;
 250         else if (bss->wpa)
 251                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 252         else if (bss->ieee802_1x) {
 253                 int cipher = WPA_CIPHER_NONE;
 254                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 255                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 256                 if (bss->default_wep_key_len)
 257                         cipher = bss->default_wep_key_len >= 13 ?
 258                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 259                 bss->wpa_group = cipher;
 260                 bss->wpa_pairwise = cipher;
 261                 bss->rsn_pairwise = cipher;
 262         } else if (bss->ssid.wep.keys_set) {
 263                 int cipher = WPA_CIPHER_WEP40;
 264                 if (bss->ssid.wep.len[0] >= 13)
 265                         cipher = WPA_CIPHER_WEP104;
 266                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 267                 bss->wpa_group = cipher;
 268                 bss->wpa_pairwise = cipher;
 269                 bss->rsn_pairwise = cipher;
 270         } else {
 271                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 272                 bss->wpa_group = WPA_CIPHER_NONE;
 273                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 274                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 275         }
 276
 277         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 278             (bss->wpa_group == WPA_CIPHER_CCMP ||
 279              bss->wpa_group == WPA_CIPHER_GCMP)) {
 280                 /*
 281                  * Strong ciphers do not need frequent rekeying, so increase
 282                  * the default GTK rekeying period to 24 hours.
 283                  */
 284                 bss->wpa_group_rekey = 86400;
 285         }
 286
 287 #ifdef CONFIG_WPS
 288         /*
 289          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 290          * require user interaction to actually use it. Only the internal
 291          * Registrar is supported.
 292          */
 293         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 294             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 295                 goto no_wps;
 296 #ifdef CONFIG_WPS2
 297         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 298             (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
 299                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 300                               * configuration */
 301 #endif /* CONFIG_WPS2 */
 302         bss->eap_server = 1;
 303
 304         if (!ssid->ignore_broadcast_ssid)
 305                 bss->wps_state = 2;
 306
 307         bss->ap_setup_locked = 2;
 308         if (wpa_s->conf->config_methods)
 309                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 310         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 311                   WPS_DEV_TYPE_LEN);
 312         if (wpa_s->conf->device_name) {
 313                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 314                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 315         }
 316         if (wpa_s->conf->manufacturer)
 317                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 318         if (wpa_s->conf->model_name)
 319                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 320         if (wpa_s->conf->model_number)
 321                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 322         if (wpa_s->conf->serial_number)
 323                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 324         if (is_nil_uuid(wpa_s->conf->uuid))
 325                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 326         else
 327                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 328         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 329         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 330 no_wps:
 331 #endif /* CONFIG_WPS */
 332
 333         if (wpa_s->max_stations &&
 334             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 335                 bss->max_num_sta = wpa_s->max_stations;
 336         else
 337                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 338
 339         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 340
 341         if (wpa_s->conf->ap_vendor_elements) {
 342                 bss->vendor_elements =
 343                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 344         }
 345
 346         return 0;
 347 }
 348
 349
 350 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 351 {
 352 #ifdef CONFIG_P2P
 353         struct wpa_supplicant *wpa_s = ctx;
 354         const struct ieee80211_mgmt *mgmt;
 355         size_t hdr_len;
 356
 357         mgmt = (const struct ieee80211_mgmt *) buf;
 358         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 359         if (hdr_len > len)
 360                 return;
 361         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 362                            mgmt->u.action.category,
 363                            &mgmt->u.action.u.vs_public_action.action,
 364                            len - hdr_len, freq);
 365 #endif /* CONFIG_P2P */
 366 }
 367
 368
 369 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 370                             union wps_event_data *data)
 371 {
 372 #ifdef CONFIG_P2P
 373         struct wpa_supplicant *wpa_s = ctx;
 374
 375         if (event == WPS_EV_FAIL) {
 376                 struct wps_event_fail *fail = &data->fail;
 377
 378                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 379                     wpa_s == wpa_s->global->p2p_group_formation) {
 380                         /*
 381                          * src/ap/wps_hostapd.c has already sent this on the
 382                          * main interface, so only send on the parent interface
 383                          * here if needed.
 384                          */
 385                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 386                                 "msg=%d config_error=%d",
 387                                 fail->msg, fail->config_error);
 388                 }
 389                 wpas_p2p_wps_failed(wpa_s, fail);
 390         }
 391 #endif /* CONFIG_P2P */
 392 }
 393
 394
 395 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 396                                  int authorized, const u8 *p2p_dev_addr)
 397 {
 398         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 399 }
 400
 401
 402 #ifdef CONFIG_P2P
 403 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 404                           const u8 *psk, size_t psk_len)
 405 {
 406
 407         struct wpa_supplicant *wpa_s = ctx;
 408         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 409                 return;
 410         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 411 }
 412 #endif /* CONFIG_P2P */
 413
 414
 415 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 416 {
 417 #ifdef CONFIG_P2P
 418         struct wpa_supplicant *wpa_s = ctx;
 419         const struct ieee80211_mgmt *mgmt;
 420         size_t hdr_len;
 421
 422         mgmt = (const struct ieee80211_mgmt *) buf;
 423         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 424         if (hdr_len > len)
 425                 return -1;
 426         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 427                            mgmt->u.action.category,
 428                            &mgmt->u.action.u.vs_public_action.action,
 429                            len - hdr_len, freq);
 430 #endif /* CONFIG_P2P */
 431         return 0;
 432 }
 433
 434
 435 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 436                            const u8 *bssid, const u8 *ie, size_t ie_len,
 437                            int ssi_signal)
 438 {
 439 #ifdef CONFIG_P2P
 440         struct wpa_supplicant *wpa_s = ctx;
 441         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 442                                      ssi_signal);
 443 #else /* CONFIG_P2P */
 444         return 0;
 445 #endif /* CONFIG_P2P */
 446 }
 447
 448
 449 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 450                                   const u8 *uuid_e)
 451 {
 452 #ifdef CONFIG_P2P
 453         struct wpa_supplicant *wpa_s = ctx;
 454         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 455 #endif /* CONFIG_P2P */
 456 }
 457
 458
 459 static void wpas_ap_configured_cb(void *ctx)
 460 {
 461         struct wpa_supplicant *wpa_s = ctx;
 462
 463         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 464
 465         if (wpa_s->ap_configured_cb)
 466                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 467                                         wpa_s->ap_configured_cb_data);
 468 }
 469
 470
 471 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 472                              struct wpa_ssid *ssid)
 473 {
 474         struct wpa_driver_associate_params params;
 475         struct hostapd_iface *hapd_iface;
 476         struct hostapd_config *conf;
 477         size_t i;
 478
 479         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 480                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 481                 return -1;
 482         }
 483
 484         wpa_supplicant_ap_deinit(wpa_s);
 485
 486         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 487                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 488
 489         os_memset(&params, 0, sizeof(params));
 490         params.ssid = ssid->ssid;
 491         params.ssid_len = ssid->ssid_len;
 492         switch (ssid->mode) {
 493         case WPAS_MODE_INFRA:
 494                 params.mode = IEEE80211_MODE_INFRA;
 495                 break;
 496         case WPAS_MODE_IBSS:
 497                 params.mode = IEEE80211_MODE_IBSS;
 498                 break;
 499         case WPAS_MODE_AP:
 500         case WPAS_MODE_P2P_GO:
 501         case WPAS_MODE_P2P_GROUP_FORMATION:
 502                 params.mode = IEEE80211_MODE_AP;
 503                 break;
 504         }
 505         if (ssid->frequency == 0)
 506                 ssid->frequency = 2462; /* default channel 11 */
 507         params.freq = ssid->frequency;
 508
 509         params.wpa_proto = ssid->proto;
 510         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 511                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 512         else
 513                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 514         params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
 515
 516         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 517                                                           1);
 518         if (wpa_s->pairwise_cipher < 0) {
 519                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 520                            "cipher.");
 521                 return -1;
 522         }
 523         params.pairwise_suite =
 524                 wpa_cipher_to_suite_driver(wpa_s->pairwise_cipher);
 525         params.group_suite = params.pairwise_suite;
 526
 527 #ifdef CONFIG_P2P
 528         if (ssid->mode == WPAS_MODE_P2P_GO ||
 529             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 530                 params.p2p = 1;
 531 #endif /* CONFIG_P2P */
 532
 533         if (wpa_s->parent->set_ap_uapsd)
 534                 params.uapsd = wpa_s->parent->ap_uapsd;
 535         else
 536                 params.uapsd = -1;
 537
 538         if (wpa_drv_associate(wpa_s, &params) < 0) {
 539                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 540                 return -1;
 541         }
 542
 543         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 544         if (hapd_iface == NULL)
 545                 return -1;
 546         hapd_iface->owner = wpa_s;
 547         hapd_iface->drv_flags = wpa_s->drv_flags;
 548         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 549         hapd_iface->extended_capa = wpa_s->extended_capa;
 550         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 551         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 552
 553         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 554         if (conf == NULL) {
 555                 wpa_supplicant_ap_deinit(wpa_s);
 556                 return -1;
 557         }
 558
 559         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 560                   wpa_s->conf->wmm_ac_params,
 561                   sizeof(wpa_s->conf->wmm_ac_params));
 562
 563         if (params.uapsd > 0) {
 564                 conf->bss[0]->wmm_enabled = 1;
 565                 conf->bss[0]->wmm_uapsd = 1;
 566         }
 567
 568         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 569                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 570                 wpa_supplicant_ap_deinit(wpa_s);
 571                 return -1;
 572         }
 573
 574 #ifdef CONFIG_P2P
 575         if (ssid->mode == WPAS_MODE_P2P_GO)
 576                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 577         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 578                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 579                         P2P_GROUP_FORMATION;
 580 #endif /* CONFIG_P2P */
 581
 582         hapd_iface->num_bss = conf->num_bss;
 583         hapd_iface->bss = os_calloc(conf->num_bss,
 584                                     sizeof(struct hostapd_data *));
 585         if (hapd_iface->bss == NULL) {
 586                 wpa_supplicant_ap_deinit(wpa_s);
 587                 return -1;
 588         }
 589
 590         for (i = 0; i < conf->num_bss; i++) {
 591                 hapd_iface->bss[i] =
 592                         hostapd_alloc_bss_data(hapd_iface, conf,
 593                                                conf->bss[i]);
 594                 if (hapd_iface->bss[i] == NULL) {
 595                         wpa_supplicant_ap_deinit(wpa_s);
 596                         return -1;
 597                 }
 598
 599                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 600                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 601                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 602                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 603                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 604                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 605                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 606                                              ap_probe_req_rx, wpa_s);
 607                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 608                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 609                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 610                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 611                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 612                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 613 #ifdef CONFIG_P2P
 614                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 615                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 616                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 617                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 618                                                                     ssid);
 619 #endif /* CONFIG_P2P */
 620                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 621                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 622         }
 623
 624         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 625         hapd_iface->bss[0]->driver = wpa_s->driver;
 626         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 627
 628         wpa_s->current_ssid = ssid;
 629         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 630         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 631         wpa_s->assoc_freq = ssid->frequency;
 632
 633         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 634                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 635                 wpa_supplicant_ap_deinit(wpa_s);
 636                 return -1;
 637         }
 638
 639         return 0;
 640 }
 641
 642
 643 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 644 {
 645 #ifdef CONFIG_WPS
 646         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 647 #endif /* CONFIG_WPS */
 648
 649         if (wpa_s->ap_iface == NULL)
 650                 return;
 651
 652         wpa_s->current_ssid = NULL;
 653         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 654         wpa_s->assoc_freq = 0;
 655 #ifdef CONFIG_P2P
 656         if (wpa_s->ap_iface->bss)
 657                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 658         wpas_p2p_group_deinit(wpa_s);
 659 #endif /* CONFIG_P2P */
 660         hostapd_interface_deinit(wpa_s->ap_iface);
 661         hostapd_interface_free(wpa_s->ap_iface);
 662         wpa_s->ap_iface = NULL;
 663         wpa_drv_deinit_ap(wpa_s);
 664 }
 665
 666
 667 void ap_tx_status(void *ctx, const u8 *addr,
 668                   const u8 *buf, size_t len, int ack)
 669 {
 670 #ifdef NEED_AP_MLME
 671         struct wpa_supplicant *wpa_s = ctx;
 672         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 673 #endif /* NEED_AP_MLME */
 674 }
 675
 676
 677 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 678                         const u8 *data, size_t len, int ack)
 679 {
 680 #ifdef NEED_AP_MLME
 681         struct wpa_supplicant *wpa_s = ctx;
 682         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 683 #endif /* NEED_AP_MLME */
 684 }
 685
 686
 687 void ap_client_poll_ok(void *ctx, const u8 *addr)
 688 {
 689 #ifdef NEED_AP_MLME
 690         struct wpa_supplicant *wpa_s = ctx;
 691         if (wpa_s->ap_iface)
 692                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 693 #endif /* NEED_AP_MLME */
 694 }
 695
 696
 697 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 698 {
 699 #ifdef NEED_AP_MLME
 700         struct wpa_supplicant *wpa_s = ctx;
 701         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 702 #endif /* NEED_AP_MLME */
 703 }
 704
 705
 706 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 707 {
 708 #ifdef NEED_AP_MLME
 709         struct wpa_supplicant *wpa_s = ctx;
 710         struct hostapd_frame_info fi;
 711         os_memset(&fi, 0, sizeof(fi));
 712         fi.datarate = rx_mgmt->datarate;
 713         fi.ssi_signal = rx_mgmt->ssi_signal;
 714         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 715                         rx_mgmt->frame_len, &fi);
 716 #endif /* NEED_AP_MLME */
 717 }
 718
 719
 720 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 721 {
 722 #ifdef NEED_AP_MLME
 723         struct wpa_supplicant *wpa_s = ctx;
 724         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 725 #endif /* NEED_AP_MLME */
 726 }
 727
 728
 729 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 730                                 const u8 *src_addr, const u8 *buf, size_t len)
 731 {
 732         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 733 }
 734
 735
 736 #ifdef CONFIG_WPS
 737
 738 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 739                               const u8 *p2p_dev_addr)
 740 {
 741         if (!wpa_s->ap_iface)
 742                 return -1;
 743         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 744                                          p2p_dev_addr);
 745 }
 746
 747
 748 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 749 {
 750         struct wps_registrar *reg;
 751         int reg_sel = 0, wps_sta = 0;
 752
 753         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 754                 return -1;
 755
 756         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 757         reg_sel = wps_registrar_wps_cancel(reg);
 758         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 759                                   ap_sta_wps_cancel, NULL);
 760
 761         if (!reg_sel && !wps_sta) {
 762                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 763                            "time");
 764                 return -1;
 765         }
 766
 767         /*
 768          * There are 2 cases to return wps cancel as success:
 769          * 1. When wps cancel was initiated but no connection has been
 770          *    established with client yet.
 771          * 2. Client is in the middle of exchanging WPS messages.
 772          */
 773
 774         return 0;
 775 }
 776
 777
 778 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 779                               const char *pin, char *buf, size_t buflen,
 780                               int timeout)
 781 {
 782         int ret, ret_len = 0;
 783
 784         if (!wpa_s->ap_iface)
 785                 return -1;
 786
 787         if (pin == NULL) {
 788                 unsigned int rpin = wps_generate_pin();
 789                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 790                 pin = buf;
 791         } else
 792                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 793
 794         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 795                                   timeout);
 796         if (ret)
 797                 return -1;
 798         return ret_len;
 799 }
 800
 801
 802 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 803 {
 804         struct wpa_supplicant *wpa_s = eloop_data;
 805         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 806         wpas_wps_ap_pin_disable(wpa_s);
 807 }
 808
 809
 810 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 811 {
 812         struct hostapd_data *hapd;
 813
 814         if (wpa_s->ap_iface == NULL)
 815                 return;
 816         hapd = wpa_s->ap_iface->bss[0];
 817         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 818         hapd->ap_pin_failures = 0;
 819         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 820         if (timeout > 0)
 821                 eloop_register_timeout(timeout, 0,
 822                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 823 }
 824
 825
 826 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 827 {
 828         struct hostapd_data *hapd;
 829
 830         if (wpa_s->ap_iface == NULL)
 831                 return;
 832         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 833         hapd = wpa_s->ap_iface->bss[0];
 834         os_free(hapd->conf->ap_pin);
 835         hapd->conf->ap_pin = NULL;
 836         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 837 }
 838
 839
 840 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 841 {
 842         struct hostapd_data *hapd;
 843         unsigned int pin;
 844         char pin_txt[9];
 845
 846         if (wpa_s->ap_iface == NULL)
 847                 return NULL;
 848         hapd = wpa_s->ap_iface->bss[0];
 849         pin = wps_generate_pin();
 850         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 851         os_free(hapd->conf->ap_pin);
 852         hapd->conf->ap_pin = os_strdup(pin_txt);
 853         if (hapd->conf->ap_pin == NULL)
 854                 return NULL;
 855         wpas_wps_ap_pin_enable(wpa_s, timeout);
 856
 857         return hapd->conf->ap_pin;
 858 }
 859
 860
 861 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 862 {
 863         struct hostapd_data *hapd;
 864         if (wpa_s->ap_iface == NULL)
 865                 return NULL;
 866         hapd = wpa_s->ap_iface->bss[0];
 867         return hapd->conf->ap_pin;
 868 }
 869
 870
 871 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 872                         int timeout)
 873 {
 874         struct hostapd_data *hapd;
 875         char pin_txt[9];
 876         int ret;
 877
 878         if (wpa_s->ap_iface == NULL)
 879                 return -1;
 880         hapd = wpa_s->ap_iface->bss[0];
 881         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 882         if (ret < 0 || ret >= (int) sizeof(pin_txt))
 883                 return -1;
 884         os_free(hapd->conf->ap_pin);
 885         hapd->conf->ap_pin = os_strdup(pin_txt);
 886         if (hapd->conf->ap_pin == NULL)
 887                 return -1;
 888         wpas_wps_ap_pin_enable(wpa_s, timeout);
 889
 890         return 0;
 891 }
 892
 893
 894 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 895 {
 896         struct hostapd_data *hapd;
 897
 898         if (wpa_s->ap_iface == NULL)
 899                 return;
 900         hapd = wpa_s->ap_iface->bss[0];
 901
 902         /*
 903          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 904          * PIN if this happens multiple times to slow down brute force attacks.
 905          */
 906         hapd->ap_pin_failures++;
 907         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 908                    hapd->ap_pin_failures);
 909         if (hapd->ap_pin_failures < 3)
 910                 return;
 911
 912         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 913         hapd->ap_pin_failures = 0;
 914         os_free(hapd->conf->ap_pin);
 915         hapd->conf->ap_pin = NULL;
 916 }
 917
 918
 919 #ifdef CONFIG_WPS_NFC
 920
 921 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
 922                                              int ndef)
 923 {
 924         struct hostapd_data *hapd;
 925
 926         if (wpa_s->ap_iface == NULL)
 927                 return NULL;
 928         hapd = wpa_s->ap_iface->bss[0];
 929         return hostapd_wps_nfc_config_token(hapd, ndef);
 930 }
 931
 932
 933 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 934                                              int ndef)
 935 {
 936         struct hostapd_data *hapd;
 937
 938         if (wpa_s->ap_iface == NULL)
 939                 return NULL;
 940         hapd = wpa_s->ap_iface->bss[0];
 941         return hostapd_wps_nfc_hs_cr(hapd, ndef);
 942 }
 943
 944 #endif /* CONFIG_WPS_NFC */
 945
 946 #endif /* CONFIG_WPS */
 947
 948
 949 #ifdef CONFIG_CTRL_IFACE
 950
 951 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 952                             char *buf, size_t buflen)
 953 {
 954         if (wpa_s->ap_iface == NULL)
 955                 return -1;
 956         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 957                                             buf, buflen);
 958 }
 959
 960
 961 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 962                       char *buf, size_t buflen)
 963 {
 964         if (wpa_s->ap_iface == NULL)
 965                 return -1;
 966         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
 967                                       buf, buflen);
 968 }
 969
 970
 971 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
 972                            char *buf, size_t buflen)
 973 {
 974         if (wpa_s->ap_iface == NULL)
 975                 return -1;
 976         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
 977                                            buf, buflen);
 978 }
 979
 980
 981 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
 982                                    const char *txtaddr)
 983 {
 984         if (wpa_s->ap_iface == NULL)
 985                 return -1;
 986         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
 987                                                txtaddr);
 988 }
 989
 990
 991 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
 992                                      const char *txtaddr)
 993 {
 994         if (wpa_s->ap_iface == NULL)
 995                 return -1;
 996         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
 997                                                  txtaddr);
 998 }
 999
1000
1001 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1002                                  size_t buflen, int verbose)
1003 {
1004         char *pos = buf, *end = buf + buflen;
1005         int ret;
1006         struct hostapd_bss_config *conf;
1007
1008         if (wpa_s->ap_iface == NULL)
1009                 return -1;
1010
1011         conf = wpa_s->ap_iface->bss[0]->conf;
1012         if (conf->wpa == 0)
1013                 return 0;
1014
1015         ret = os_snprintf(pos, end - pos,
1016                           "pairwise_cipher=%s\n"
1017                           "group_cipher=%s\n"
1018                           "key_mgmt=%s\n",
1019                           wpa_cipher_txt(conf->rsn_pairwise),
1020                           wpa_cipher_txt(conf->wpa_group),
1021                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1022                                            conf->wpa));
1023         if (ret < 0 || ret >= end - pos)
1024                 return pos - buf;
1025         pos += ret;
1026         return pos - buf;
1027 }
1028
1029 #endif /* CONFIG_CTRL_IFACE */
1030
1031
1032 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1033 {
1034         struct hostapd_iface *iface = wpa_s->ap_iface;
1035         struct wpa_ssid *ssid = wpa_s->current_ssid;
1036         struct hostapd_data *hapd;
1037
1038         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1039             ssid->mode == WPAS_MODE_INFRA ||
1040             ssid->mode == WPAS_MODE_IBSS)
1041                 return -1;
1042
1043 #ifdef CONFIG_P2P
1044         if (ssid->mode == WPAS_MODE_P2P_GO)
1045                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1046         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1047                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1048                         P2P_GROUP_FORMATION;
1049 #endif /* CONFIG_P2P */
1050
1051         hapd = iface->bss[0];
1052         if (hapd->drv_priv == NULL)
1053                 return -1;
1054         ieee802_11_set_beacons(iface);
1055         hostapd_set_ap_wps_ie(hapd);
1056
1057         return 0;
1058 }
1059
1060
1061 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1062                       struct csa_settings *settings)
1063 {
1064 #ifdef NEED_AP_MLME
1065         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1066                 return -1;
1067
1068         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1069 #else /* NEED_AP_MLME */
1070         return -1;
1071 #endif /* NEED_AP_MLME */
1072 }
1073
1074
1075 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1076 {
1077         struct csa_settings settings;
1078         int ret = hostapd_parse_csa_settings(pos, &settings);
1079
1080         if (ret)
1081                 return ret;
1082
1083         return ap_switch_channel(wpa_s, &settings);
1084 }
1085
1086
1087 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1088                        int offset)
1089 {
1090         if (!wpa_s->ap_iface)
1091                 return;
1092
1093         wpa_s->assoc_freq = freq;
1094         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset);
1095 }
1096
1097
1098 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1099                                       const u8 *addr)
1100 {
1101         struct hostapd_data *hapd;
1102         struct hostapd_bss_config *conf;
1103
1104         if (!wpa_s->ap_iface)
1105                 return -1;
1106
1107         if (addr)
1108                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1109                            MAC2STR(addr));
1110         else
1111                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1112
1113         hapd = wpa_s->ap_iface->bss[0];
1114         conf = hapd->conf;
1115
1116         os_free(conf->accept_mac);
1117         conf->accept_mac = NULL;
1118         conf->num_accept_mac = 0;
1119         os_free(conf->deny_mac);
1120         conf->deny_mac = NULL;
1121         conf->num_deny_mac = 0;
1122
1123         if (addr == NULL) {
1124                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1125                 return 0;
1126         }
1127
1128         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1129         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1130         if (conf->accept_mac == NULL)
1131                 return -1;
1132         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1133         conf->num_accept_mac = 1;
1134
1135         return 0;
1136 }