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