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 "ap/dfs.h"
  30 #include "wps/wps.h"
  31 #include "common/ieee802_11_defs.h"
  32 #include "config_ssid.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "p2p_supplicant.h"
  37 #include "ap.h"
  38 #include "ap/sta_info.h"
  39 #include "notify.h"
  40
  41
  42 #ifdef CONFIG_WPS
  43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
  44 #endif /* CONFIG_WPS */
  45
  46
  47 #ifdef CONFIG_IEEE80211N
  48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
  49                              struct hostapd_config *conf,
  50                              struct hostapd_hw_modes *mode)
  51 {
  52 #ifdef CONFIG_P2P
  53         u8 center_chan = 0;
  54         u8 channel = conf->channel;
  55
  56         if (!conf->secondary_channel)
  57                 goto no_vht;
  58
  59         switch (conf->vht_oper_chwidth) {
  60         case VHT_CHANWIDTH_80MHZ:
  61         case VHT_CHANWIDTH_80P80MHZ:
  62                 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  63                 break;
  64         case VHT_CHANWIDTH_160MHZ:
  65                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
  66                 break;
  67         default:
  68                 /*
  69                  * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
  70                  * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
  71                  * not supported.
  72                  */
  73                 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
  74                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
  75                 if (!center_chan) {
  76                         conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
  77                         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
  78                                                                 channel);
  79                 }
  80                 break;
  81         }
  82         if (!center_chan)
  83                 goto no_vht;
  84
  85         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  86         return;
  87
  88 no_vht:
  89         conf->vht_oper_centr_freq_seg0_idx =
  90                 channel + conf->secondary_channel * 2;
  91 #else /* CONFIG_P2P */
  92         conf->vht_oper_centr_freq_seg0_idx =
  93                 conf->channel + conf->secondary_channel * 2;
  94 #endif /* CONFIG_P2P */
  95 }
  96 #endif /* CONFIG_IEEE80211N */
  97
  98
  99 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 100                               struct wpa_ssid *ssid,
 101                               struct hostapd_config *conf)
 102 {
 103         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 104                                                &conf->channel);
 105
 106         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 107                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 108                            ssid->frequency);
 109                 return -1;
 110         }
 111
 112         /* TODO: enable HT40 if driver supports it;
 113          * drop to 11b if driver does not support 11g */
 114
 115 #ifdef CONFIG_IEEE80211N
 116         /*
 117          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
 118          * and a mask of allowed capabilities within conf->ht_capab.
 119          * Using default config settings for: conf->ht_op_mode_fixed,
 120          * conf->secondary_channel, conf->require_ht
 121          */
 122         if (wpa_s->hw.modes) {
 123                 struct hostapd_hw_modes *mode = NULL;
 124                 int i, no_ht = 0;
 125                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 126                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 127                                 mode = &wpa_s->hw.modes[i];
 128                                 break;
 129                         }
 130                 }
 131
 132 #ifdef CONFIG_HT_OVERRIDES
 133                 if (ssid->disable_ht) {
 134                         conf->ieee80211n = 0;
 135                         conf->ht_capab = 0;
 136                         no_ht = 1;
 137                 }
 138 #endif /* CONFIG_HT_OVERRIDES */
 139
 140                 if (!no_ht && mode && mode->ht_capab) {
 141                         conf->ieee80211n = 1;
 142 #ifdef CONFIG_P2P
 143                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 144                             (mode->ht_capab &
 145                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 146                             ssid->ht40)
 147                                 conf->secondary_channel =
 148                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 149                                                                conf->channel);
 150                         if (conf->secondary_channel)
 151                                 conf->ht_capab |=
 152                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 153 #endif /* CONFIG_P2P */
 154
 155                         /*
 156                          * white-list capabilities that won't cause issues
 157                          * to connecting stations, while leaving the current
 158                          * capabilities intact (currently disabled SMPS).
 159                          */
 160                         conf->ht_capab |= mode->ht_capab &
 161                                 (HT_CAP_INFO_GREEN_FIELD |
 162                                  HT_CAP_INFO_SHORT_GI20MHZ |
 163                                  HT_CAP_INFO_SHORT_GI40MHZ |
 164                                  HT_CAP_INFO_RX_STBC_MASK |
 165                                  HT_CAP_INFO_TX_STBC |
 166                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 167
 168                         if (mode->vht_capab && ssid->vht) {
 169                                 conf->ieee80211ac = 1;
 170                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 171                         }
 172                 }
 173         }
 174
 175         if (conf->secondary_channel) {
 176                 struct wpa_supplicant *iface;
 177
 178                 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
 179                 {
 180                         if (iface == wpa_s ||
 181                             iface->wpa_state < WPA_AUTHENTICATING ||
 182                             (int) iface->assoc_freq != ssid->frequency)
 183                                 continue;
 184
 185                         /*
 186                          * Do not allow 40 MHz co-ex PRI/SEC switch to force us
 187                          * to change our PRI channel since we have an existing,
 188                          * concurrent connection on that channel and doing
 189                          * multi-channel concurrency is likely to cause more
 190                          * harm than using different PRI/SEC selection in
 191                          * environment with multiple BSSes on these two channels
 192                          * with mixed 20 MHz or PRI channel selection.
 193                          */
 194                         conf->no_pri_sec_switch = 1;
 195                 }
 196         }
 197 #endif /* CONFIG_IEEE80211N */
 198
 199         return 0;
 200 }
 201
 202
 203 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 204                                   struct wpa_ssid *ssid,
 205                                   struct hostapd_config *conf)
 206 {
 207         struct hostapd_bss_config *bss = conf->bss[0];
 208
 209         conf->driver = wpa_s->driver;
 210
 211         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 212
 213         if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
 214                 return -1;
 215
 216 #ifdef CONFIG_ACS
 217         if (ssid->acs) {
 218                 /* Setting channel to 0 in order to enable ACS */
 219                 conf->channel = 0;
 220                 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
 221         }
 222 #endif /* CONFIG_ACS */
 223
 224         if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
 225                 conf->ieee80211h = 1;
 226                 conf->ieee80211d = 1;
 227                 conf->country[0] = wpa_s->conf->country[0];
 228                 conf->country[1] = wpa_s->conf->country[1];
 229         }
 230
 231 #ifdef CONFIG_P2P
 232         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 233             (ssid->mode == WPAS_MODE_P2P_GO ||
 234              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 235                 /* Remove 802.11b rates from supported and basic rate sets */
 236                 int *list = os_malloc(4 * sizeof(int));
 237                 if (list) {
 238                         list[0] = 60;
 239                         list[1] = 120;
 240                         list[2] = 240;
 241                         list[3] = -1;
 242                 }
 243                 conf->basic_rates = list;
 244
 245                 list = os_malloc(9 * sizeof(int));
 246                 if (list) {
 247                         list[0] = 60;
 248                         list[1] = 90;
 249                         list[2] = 120;
 250                         list[3] = 180;
 251                         list[4] = 240;
 252                         list[5] = 360;
 253                         list[6] = 480;
 254                         list[7] = 540;
 255                         list[8] = -1;
 256                 }
 257                 conf->supported_rates = list;
 258         }
 259
 260         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 261         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 262
 263         if (ssid->p2p_group) {
 264                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 265                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 266                           4);
 267                 os_memcpy(bss->ip_addr_start,
 268                           wpa_s->parent->conf->ip_addr_start, 4);
 269                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 270                           4);
 271         }
 272 #endif /* CONFIG_P2P */
 273
 274         if (ssid->ssid_len == 0) {
 275                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 276                 return -1;
 277         }
 278         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 279         bss->ssid.ssid_len = ssid->ssid_len;
 280         bss->ssid.ssid_set = 1;
 281
 282         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 283
 284         if (ssid->auth_alg)
 285                 bss->auth_algs = ssid->auth_alg;
 286
 287         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 288                 bss->wpa = ssid->proto;
 289         bss->wpa_key_mgmt = ssid->key_mgmt;
 290         bss->wpa_pairwise = ssid->pairwise_cipher;
 291         if (ssid->psk_set) {
 292                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 293                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 294                 if (bss->ssid.wpa_psk == NULL)
 295                         return -1;
 296                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 297                 bss->ssid.wpa_psk->group = 1;
 298         } else if (ssid->passphrase) {
 299                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 300         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 301                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 302                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 303                 int i;
 304                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 305                         if (ssid->wep_key_len[i] == 0)
 306                                 continue;
 307                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 308                         if (wep->key[i] == NULL)
 309                                 return -1;
 310                         os_memcpy(wep->key[i], ssid->wep_key[i],
 311                                   ssid->wep_key_len[i]);
 312                         wep->len[i] = ssid->wep_key_len[i];
 313                 }
 314                 wep->idx = ssid->wep_tx_keyidx;
 315                 wep->keys_set = 1;
 316         }
 317
 318         if (ssid->ap_max_inactivity)
 319                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 320
 321         if (ssid->dtim_period)
 322                 bss->dtim_period = ssid->dtim_period;
 323         else if (wpa_s->conf->dtim_period)
 324                 bss->dtim_period = wpa_s->conf->dtim_period;
 325
 326         if (ssid->beacon_int)
 327                 conf->beacon_int = ssid->beacon_int;
 328         else if (wpa_s->conf->beacon_int)
 329                 conf->beacon_int = wpa_s->conf->beacon_int;
 330
 331 #ifdef CONFIG_P2P
 332         if (ssid->mode == WPAS_MODE_P2P_GO ||
 333             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 334                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 335                         wpa_printf(MSG_INFO,
 336                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 337                                    wpa_s->conf->p2p_go_ctwindow,
 338                                    conf->beacon_int);
 339                         conf->p2p_go_ctwindow = 0;
 340                 } else {
 341                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 342                 }
 343         }
 344 #endif /* CONFIG_P2P */
 345
 346         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 347                 bss->rsn_pairwise = bss->wpa_pairwise;
 348         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 349                                                     bss->rsn_pairwise);
 350
 351         if (bss->wpa && bss->ieee802_1x)
 352                 bss->ssid.security_policy = SECURITY_WPA;
 353         else if (bss->wpa)
 354                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 355         else if (bss->ieee802_1x) {
 356                 int cipher = WPA_CIPHER_NONE;
 357                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 358                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 359                 if (bss->default_wep_key_len)
 360                         cipher = bss->default_wep_key_len >= 13 ?
 361                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 362                 bss->wpa_group = cipher;
 363                 bss->wpa_pairwise = cipher;
 364                 bss->rsn_pairwise = cipher;
 365         } else if (bss->ssid.wep.keys_set) {
 366                 int cipher = WPA_CIPHER_WEP40;
 367                 if (bss->ssid.wep.len[0] >= 13)
 368                         cipher = WPA_CIPHER_WEP104;
 369                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 370                 bss->wpa_group = cipher;
 371                 bss->wpa_pairwise = cipher;
 372                 bss->rsn_pairwise = cipher;
 373         } else {
 374                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 375                 bss->wpa_group = WPA_CIPHER_NONE;
 376                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 377                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 378         }
 379
 380         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 381             (bss->wpa_group == WPA_CIPHER_CCMP ||
 382              bss->wpa_group == WPA_CIPHER_GCMP ||
 383              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 384              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 385                 /*
 386                  * Strong ciphers do not need frequent rekeying, so increase
 387                  * the default GTK rekeying period to 24 hours.
 388                  */
 389                 bss->wpa_group_rekey = 86400;
 390         }
 391
 392 #ifdef CONFIG_IEEE80211W
 393         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 394                 bss->ieee80211w = ssid->ieee80211w;
 395 #endif /* CONFIG_IEEE80211W */
 396
 397 #ifdef CONFIG_WPS
 398         /*
 399          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 400          * require user interaction to actually use it. Only the internal
 401          * Registrar is supported.
 402          */
 403         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 404             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 405                 goto no_wps;
 406         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 407             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 408              !(bss->wpa & 2)))
 409                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 410                               * configuration */
 411         bss->eap_server = 1;
 412
 413         if (!ssid->ignore_broadcast_ssid)
 414                 bss->wps_state = 2;
 415
 416         bss->ap_setup_locked = 2;
 417         if (wpa_s->conf->config_methods)
 418                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 419         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 420                   WPS_DEV_TYPE_LEN);
 421         if (wpa_s->conf->device_name) {
 422                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 423                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 424         }
 425         if (wpa_s->conf->manufacturer)
 426                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 427         if (wpa_s->conf->model_name)
 428                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 429         if (wpa_s->conf->model_number)
 430                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 431         if (wpa_s->conf->serial_number)
 432                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 433         if (is_nil_uuid(wpa_s->conf->uuid))
 434                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 435         else
 436                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 437         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 438         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 439 no_wps:
 440 #endif /* CONFIG_WPS */
 441
 442         if (wpa_s->max_stations &&
 443             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 444                 bss->max_num_sta = wpa_s->max_stations;
 445         else
 446                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 447
 448         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 449
 450         if (wpa_s->conf->ap_vendor_elements) {
 451                 bss->vendor_elements =
 452                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 453         }
 454
 455         return 0;
 456 }
 457
 458
 459 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 460 {
 461 #ifdef CONFIG_P2P
 462         struct wpa_supplicant *wpa_s = ctx;
 463         const struct ieee80211_mgmt *mgmt;
 464
 465         mgmt = (const struct ieee80211_mgmt *) buf;
 466         if (len < IEEE80211_HDRLEN + 1)
 467                 return;
 468         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 469                 return;
 470         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 471                            mgmt->u.action.category,
 472                            buf + IEEE80211_HDRLEN + 1,
 473                            len - IEEE80211_HDRLEN - 1, freq);
 474 #endif /* CONFIG_P2P */
 475 }
 476
 477
 478 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 479                             union wps_event_data *data)
 480 {
 481 #ifdef CONFIG_P2P
 482         struct wpa_supplicant *wpa_s = ctx;
 483
 484         if (event == WPS_EV_FAIL) {
 485                 struct wps_event_fail *fail = &data->fail;
 486
 487                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 488                     wpa_s == wpa_s->global->p2p_group_formation) {
 489                         /*
 490                          * src/ap/wps_hostapd.c has already sent this on the
 491                          * main interface, so only send on the parent interface
 492                          * here if needed.
 493                          */
 494                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 495                                 "msg=%d config_error=%d",
 496                                 fail->msg, fail->config_error);
 497                 }
 498                 wpas_p2p_wps_failed(wpa_s, fail);
 499         }
 500 #endif /* CONFIG_P2P */
 501 }
 502
 503
 504 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 505                                  int authorized, const u8 *p2p_dev_addr)
 506 {
 507         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 508 }
 509
 510
 511 #ifdef CONFIG_P2P
 512 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 513                           const u8 *psk, size_t psk_len)
 514 {
 515
 516         struct wpa_supplicant *wpa_s = ctx;
 517         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 518                 return;
 519         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 520 }
 521 #endif /* CONFIG_P2P */
 522
 523
 524 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 525 {
 526 #ifdef CONFIG_P2P
 527         struct wpa_supplicant *wpa_s = ctx;
 528         const struct ieee80211_mgmt *mgmt;
 529
 530         mgmt = (const struct ieee80211_mgmt *) buf;
 531         if (len < IEEE80211_HDRLEN + 1)
 532                 return -1;
 533         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 534                            mgmt->u.action.category,
 535                            buf + IEEE80211_HDRLEN + 1,
 536                            len - IEEE80211_HDRLEN - 1, freq);
 537 #endif /* CONFIG_P2P */
 538         return 0;
 539 }
 540
 541
 542 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 543                            const u8 *bssid, const u8 *ie, size_t ie_len,
 544                            int ssi_signal)
 545 {
 546         struct wpa_supplicant *wpa_s = ctx;
 547         unsigned int freq = 0;
 548
 549         if (wpa_s->ap_iface)
 550                 freq = wpa_s->ap_iface->freq;
 551
 552         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 553                                      freq, ssi_signal);
 554 }
 555
 556
 557 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 558                                   const u8 *uuid_e)
 559 {
 560         struct wpa_supplicant *wpa_s = ctx;
 561         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 562 }
 563
 564
 565 static void wpas_ap_configured_cb(void *ctx)
 566 {
 567         struct wpa_supplicant *wpa_s = ctx;
 568
 569 #ifdef CONFIG_ACS
 570         if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
 571                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 572 #endif /* CONFIG_ACS */
 573
 574         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 575
 576         if (wpa_s->ap_configured_cb)
 577                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 578                                         wpa_s->ap_configured_cb_data);
 579 }
 580
 581
 582 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 583                              struct wpa_ssid *ssid)
 584 {
 585         struct wpa_driver_associate_params params;
 586         struct hostapd_iface *hapd_iface;
 587         struct hostapd_config *conf;
 588         size_t i;
 589
 590         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 591                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 592                 return -1;
 593         }
 594
 595         wpa_supplicant_ap_deinit(wpa_s);
 596
 597         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 598                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 599
 600         os_memset(&params, 0, sizeof(params));
 601         params.ssid = ssid->ssid;
 602         params.ssid_len = ssid->ssid_len;
 603         switch (ssid->mode) {
 604         case WPAS_MODE_AP:
 605         case WPAS_MODE_P2P_GO:
 606         case WPAS_MODE_P2P_GROUP_FORMATION:
 607                 params.mode = IEEE80211_MODE_AP;
 608                 break;
 609         default:
 610                 return -1;
 611         }
 612         if (ssid->frequency == 0)
 613                 ssid->frequency = 2462; /* default channel 11 */
 614         params.freq.freq = ssid->frequency;
 615
 616         params.wpa_proto = ssid->proto;
 617         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 618                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 619         else
 620                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 621         params.key_mgmt_suite = wpa_s->key_mgmt;
 622
 623         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 624                                                           1);
 625         if (wpa_s->pairwise_cipher < 0) {
 626                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 627                            "cipher.");
 628                 return -1;
 629         }
 630         params.pairwise_suite = wpa_s->pairwise_cipher;
 631         params.group_suite = params.pairwise_suite;
 632
 633 #ifdef CONFIG_P2P
 634         if (ssid->mode == WPAS_MODE_P2P_GO ||
 635             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 636                 params.p2p = 1;
 637 #endif /* CONFIG_P2P */
 638
 639         if (wpa_s->parent->set_ap_uapsd)
 640                 params.uapsd = wpa_s->parent->ap_uapsd;
 641         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 642                 params.uapsd = 1; /* mandatory for P2P GO */
 643         else
 644                 params.uapsd = -1;
 645
 646         if (ieee80211_is_dfs(params.freq.freq))
 647                 params.freq.freq = 0; /* set channel after CAC */
 648
 649         if (wpa_drv_associate(wpa_s, &params) < 0) {
 650                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 651                 return -1;
 652         }
 653
 654         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 655         if (hapd_iface == NULL)
 656                 return -1;
 657         hapd_iface->owner = wpa_s;
 658         hapd_iface->drv_flags = wpa_s->drv_flags;
 659         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 660         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 661         hapd_iface->extended_capa = wpa_s->extended_capa;
 662         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 663         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 664
 665         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 666         if (conf == NULL) {
 667                 wpa_supplicant_ap_deinit(wpa_s);
 668                 return -1;
 669         }
 670
 671         /* Use the maximum oper channel width if it's given. */
 672         if (ssid->max_oper_chwidth)
 673                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
 674
 675         ieee80211_freq_to_chan(ssid->vht_center_freq2,
 676                                &conf->vht_oper_centr_freq_seg1_idx);
 677
 678         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 679                   wpa_s->conf->wmm_ac_params,
 680                   sizeof(wpa_s->conf->wmm_ac_params));
 681
 682         if (params.uapsd > 0) {
 683                 conf->bss[0]->wmm_enabled = 1;
 684                 conf->bss[0]->wmm_uapsd = 1;
 685         }
 686
 687         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 688                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 689                 wpa_supplicant_ap_deinit(wpa_s);
 690                 return -1;
 691         }
 692
 693 #ifdef CONFIG_P2P
 694         if (ssid->mode == WPAS_MODE_P2P_GO)
 695                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 696         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 697                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 698                         P2P_GROUP_FORMATION;
 699 #endif /* CONFIG_P2P */
 700
 701         hapd_iface->num_bss = conf->num_bss;
 702         hapd_iface->bss = os_calloc(conf->num_bss,
 703                                     sizeof(struct hostapd_data *));
 704         if (hapd_iface->bss == NULL) {
 705                 wpa_supplicant_ap_deinit(wpa_s);
 706                 return -1;
 707         }
 708
 709         for (i = 0; i < conf->num_bss; i++) {
 710                 hapd_iface->bss[i] =
 711                         hostapd_alloc_bss_data(hapd_iface, conf,
 712                                                conf->bss[i]);
 713                 if (hapd_iface->bss[i] == NULL) {
 714                         wpa_supplicant_ap_deinit(wpa_s);
 715                         return -1;
 716                 }
 717
 718                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 719                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 720                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 721                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 722                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 723                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 724                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 725                                              ap_probe_req_rx, wpa_s);
 726                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 727                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 728                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 729                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 730                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 731                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 732 #ifdef CONFIG_P2P
 733                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 734                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 735                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 736                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 737                                                                     ssid);
 738 #endif /* CONFIG_P2P */
 739                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 740                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 741 #ifdef CONFIG_TESTING_OPTIONS
 742                 hapd_iface->bss[i]->ext_eapol_frame_io =
 743                         wpa_s->ext_eapol_frame_io;
 744 #endif /* CONFIG_TESTING_OPTIONS */
 745         }
 746
 747         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 748         hapd_iface->bss[0]->driver = wpa_s->driver;
 749         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 750
 751         wpa_s->current_ssid = ssid;
 752         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 753         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 754         wpa_s->assoc_freq = ssid->frequency;
 755
 756         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 757                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 758                 wpa_supplicant_ap_deinit(wpa_s);
 759                 return -1;
 760         }
 761
 762         return 0;
 763 }
 764
 765
 766 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 767 {
 768 #ifdef CONFIG_WPS
 769         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 770 #endif /* CONFIG_WPS */
 771
 772         if (wpa_s->ap_iface == NULL)
 773                 return;
 774
 775         wpa_s->current_ssid = NULL;
 776         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 777         wpa_s->assoc_freq = 0;
 778         wpas_p2p_ap_deinit(wpa_s);
 779         wpa_s->ap_iface->driver_ap_teardown =
 780                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 781
 782         hostapd_interface_deinit(wpa_s->ap_iface);
 783         hostapd_interface_free(wpa_s->ap_iface);
 784         wpa_s->ap_iface = NULL;
 785         wpa_drv_deinit_ap(wpa_s);
 786         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 787                 " reason=%d locally_generated=1",
 788                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 789 }
 790
 791
 792 void ap_tx_status(void *ctx, const u8 *addr,
 793                   const u8 *buf, size_t len, int ack)
 794 {
 795 #ifdef NEED_AP_MLME
 796         struct wpa_supplicant *wpa_s = ctx;
 797         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 798 #endif /* NEED_AP_MLME */
 799 }
 800
 801
 802 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 803                         const u8 *data, size_t len, int ack)
 804 {
 805 #ifdef NEED_AP_MLME
 806         struct wpa_supplicant *wpa_s = ctx;
 807         if (!wpa_s->ap_iface)
 808                 return;
 809         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 810 #endif /* NEED_AP_MLME */
 811 }
 812
 813
 814 void ap_client_poll_ok(void *ctx, const u8 *addr)
 815 {
 816 #ifdef NEED_AP_MLME
 817         struct wpa_supplicant *wpa_s = ctx;
 818         if (wpa_s->ap_iface)
 819                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 820 #endif /* NEED_AP_MLME */
 821 }
 822
 823
 824 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 825 {
 826 #ifdef NEED_AP_MLME
 827         struct wpa_supplicant *wpa_s = ctx;
 828         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 829 #endif /* NEED_AP_MLME */
 830 }
 831
 832
 833 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 834 {
 835 #ifdef NEED_AP_MLME
 836         struct wpa_supplicant *wpa_s = ctx;
 837         struct hostapd_frame_info fi;
 838         os_memset(&fi, 0, sizeof(fi));
 839         fi.datarate = rx_mgmt->datarate;
 840         fi.ssi_signal = rx_mgmt->ssi_signal;
 841         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 842                         rx_mgmt->frame_len, &fi);
 843 #endif /* NEED_AP_MLME */
 844 }
 845
 846
 847 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 848 {
 849 #ifdef NEED_AP_MLME
 850         struct wpa_supplicant *wpa_s = ctx;
 851         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 852 #endif /* NEED_AP_MLME */
 853 }
 854
 855
 856 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 857                                 const u8 *src_addr, const u8 *buf, size_t len)
 858 {
 859         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 860 }
 861
 862
 863 #ifdef CONFIG_WPS
 864
 865 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 866                               const u8 *p2p_dev_addr)
 867 {
 868         if (!wpa_s->ap_iface)
 869                 return -1;
 870         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 871                                          p2p_dev_addr);
 872 }
 873
 874
 875 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 876 {
 877         struct wps_registrar *reg;
 878         int reg_sel = 0, wps_sta = 0;
 879
 880         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 881                 return -1;
 882
 883         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 884         reg_sel = wps_registrar_wps_cancel(reg);
 885         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 886                                   ap_sta_wps_cancel, NULL);
 887
 888         if (!reg_sel && !wps_sta) {
 889                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 890                            "time");
 891                 return -1;
 892         }
 893
 894         /*
 895          * There are 2 cases to return wps cancel as success:
 896          * 1. When wps cancel was initiated but no connection has been
 897          *    established with client yet.
 898          * 2. Client is in the middle of exchanging WPS messages.
 899          */
 900
 901         return 0;
 902 }
 903
 904
 905 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 906                               const char *pin, char *buf, size_t buflen,
 907                               int timeout)
 908 {
 909         int ret, ret_len = 0;
 910
 911         if (!wpa_s->ap_iface)
 912                 return -1;
 913
 914         if (pin == NULL) {
 915                 unsigned int rpin = wps_generate_pin();
 916                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 917                 if (os_snprintf_error(buflen, ret_len))
 918                         return -1;
 919                 pin = buf;
 920         } else if (buf) {
 921                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 922                 if (os_snprintf_error(buflen, ret_len))
 923                         return -1;
 924         }
 925
 926         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 927                                   timeout);
 928         if (ret)
 929                 return -1;
 930         return ret_len;
 931 }
 932
 933
 934 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 935 {
 936         struct wpa_supplicant *wpa_s = eloop_data;
 937         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 938         wpas_wps_ap_pin_disable(wpa_s);
 939 }
 940
 941
 942 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 943 {
 944         struct hostapd_data *hapd;
 945
 946         if (wpa_s->ap_iface == NULL)
 947                 return;
 948         hapd = wpa_s->ap_iface->bss[0];
 949         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 950         hapd->ap_pin_failures = 0;
 951         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 952         if (timeout > 0)
 953                 eloop_register_timeout(timeout, 0,
 954                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 955 }
 956
 957
 958 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 959 {
 960         struct hostapd_data *hapd;
 961
 962         if (wpa_s->ap_iface == NULL)
 963                 return;
 964         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 965         hapd = wpa_s->ap_iface->bss[0];
 966         os_free(hapd->conf->ap_pin);
 967         hapd->conf->ap_pin = NULL;
 968         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 969 }
 970
 971
 972 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 973 {
 974         struct hostapd_data *hapd;
 975         unsigned int pin;
 976         char pin_txt[9];
 977
 978         if (wpa_s->ap_iface == NULL)
 979                 return NULL;
 980         hapd = wpa_s->ap_iface->bss[0];
 981         pin = wps_generate_pin();
 982         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 983         os_free(hapd->conf->ap_pin);
 984         hapd->conf->ap_pin = os_strdup(pin_txt);
 985         if (hapd->conf->ap_pin == NULL)
 986                 return NULL;
 987         wpas_wps_ap_pin_enable(wpa_s, timeout);
 988
 989         return hapd->conf->ap_pin;
 990 }
 991
 992
 993 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 994 {
 995         struct hostapd_data *hapd;
 996         if (wpa_s->ap_iface == NULL)
 997                 return NULL;
 998         hapd = wpa_s->ap_iface->bss[0];
 999         return hapd->conf->ap_pin;
1000 }
1001
1002
1003 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1004                         int timeout)
1005 {
1006         struct hostapd_data *hapd;
1007         char pin_txt[9];
1008         int ret;
1009
1010         if (wpa_s->ap_iface == NULL)
1011                 return -1;
1012         hapd = wpa_s->ap_iface->bss[0];
1013         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1014         if (os_snprintf_error(sizeof(pin_txt), ret))
1015                 return -1;
1016         os_free(hapd->conf->ap_pin);
1017         hapd->conf->ap_pin = os_strdup(pin_txt);
1018         if (hapd->conf->ap_pin == NULL)
1019                 return -1;
1020         wpas_wps_ap_pin_enable(wpa_s, timeout);
1021
1022         return 0;
1023 }
1024
1025
1026 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1027 {
1028         struct hostapd_data *hapd;
1029
1030         if (wpa_s->ap_iface == NULL)
1031                 return;
1032         hapd = wpa_s->ap_iface->bss[0];
1033
1034         /*
1035          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1036          * PIN if this happens multiple times to slow down brute force attacks.
1037          */
1038         hapd->ap_pin_failures++;
1039         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1040                    hapd->ap_pin_failures);
1041         if (hapd->ap_pin_failures < 3)
1042                 return;
1043
1044         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1045         hapd->ap_pin_failures = 0;
1046         os_free(hapd->conf->ap_pin);
1047         hapd->conf->ap_pin = NULL;
1048 }
1049
1050
1051 #ifdef CONFIG_WPS_NFC
1052
1053 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1054                                              int ndef)
1055 {
1056         struct hostapd_data *hapd;
1057
1058         if (wpa_s->ap_iface == NULL)
1059                 return NULL;
1060         hapd = wpa_s->ap_iface->bss[0];
1061         return hostapd_wps_nfc_config_token(hapd, ndef);
1062 }
1063
1064
1065 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1066                                              int ndef)
1067 {
1068         struct hostapd_data *hapd;
1069
1070         if (wpa_s->ap_iface == NULL)
1071                 return NULL;
1072         hapd = wpa_s->ap_iface->bss[0];
1073         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1074 }
1075
1076
1077 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1078                                     const struct wpabuf *req,
1079                                     const struct wpabuf *sel)
1080 {
1081         struct hostapd_data *hapd;
1082
1083         if (wpa_s->ap_iface == NULL)
1084                 return -1;
1085         hapd = wpa_s->ap_iface->bss[0];
1086         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1087 }
1088
1089 #endif /* CONFIG_WPS_NFC */
1090
1091 #endif /* CONFIG_WPS */
1092
1093
1094 #ifdef CONFIG_CTRL_IFACE
1095
1096 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1097                             char *buf, size_t buflen)
1098 {
1099         struct hostapd_data *hapd;
1100
1101         if (wpa_s->ap_iface)
1102                 hapd = wpa_s->ap_iface->bss[0];
1103         else if (wpa_s->ifmsh)
1104                 hapd = wpa_s->ifmsh->bss[0];
1105         else
1106                 return -1;
1107         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1108 }
1109
1110
1111 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1112                       char *buf, size_t buflen)
1113 {
1114         struct hostapd_data *hapd;
1115
1116         if (wpa_s->ap_iface)
1117                 hapd = wpa_s->ap_iface->bss[0];
1118         else if (wpa_s->ifmsh)
1119                 hapd = wpa_s->ifmsh->bss[0];
1120         else
1121                 return -1;
1122         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1123 }
1124
1125
1126 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1127                            char *buf, size_t buflen)
1128 {
1129         struct hostapd_data *hapd;
1130
1131         if (wpa_s->ap_iface)
1132                 hapd = wpa_s->ap_iface->bss[0];
1133         else if (wpa_s->ifmsh)
1134                 hapd = wpa_s->ifmsh->bss[0];
1135         else
1136                 return -1;
1137         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1138 }
1139
1140
1141 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1142                                    const char *txtaddr)
1143 {
1144         if (wpa_s->ap_iface == NULL)
1145                 return -1;
1146         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1147                                                txtaddr);
1148 }
1149
1150
1151 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1152                                      const char *txtaddr)
1153 {
1154         if (wpa_s->ap_iface == NULL)
1155                 return -1;
1156         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1157                                                  txtaddr);
1158 }
1159
1160
1161 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1162                                  size_t buflen, int verbose)
1163 {
1164         char *pos = buf, *end = buf + buflen;
1165         int ret;
1166         struct hostapd_bss_config *conf;
1167
1168         if (wpa_s->ap_iface == NULL)
1169                 return -1;
1170
1171         conf = wpa_s->ap_iface->bss[0]->conf;
1172         if (conf->wpa == 0)
1173                 return 0;
1174
1175         ret = os_snprintf(pos, end - pos,
1176                           "pairwise_cipher=%s\n"
1177                           "group_cipher=%s\n"
1178                           "key_mgmt=%s\n",
1179                           wpa_cipher_txt(conf->rsn_pairwise),
1180                           wpa_cipher_txt(conf->wpa_group),
1181                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1182                                            conf->wpa));
1183         if (os_snprintf_error(end - pos, ret))
1184                 return pos - buf;
1185         pos += ret;
1186         return pos - buf;
1187 }
1188
1189 #endif /* CONFIG_CTRL_IFACE */
1190
1191
1192 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1193 {
1194         struct hostapd_iface *iface = wpa_s->ap_iface;
1195         struct wpa_ssid *ssid = wpa_s->current_ssid;
1196         struct hostapd_data *hapd;
1197
1198         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1199             ssid->mode == WPAS_MODE_INFRA ||
1200             ssid->mode == WPAS_MODE_IBSS)
1201                 return -1;
1202
1203 #ifdef CONFIG_P2P
1204         if (ssid->mode == WPAS_MODE_P2P_GO)
1205                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1206         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1207                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1208                         P2P_GROUP_FORMATION;
1209 #endif /* CONFIG_P2P */
1210
1211         hapd = iface->bss[0];
1212         if (hapd->drv_priv == NULL)
1213                 return -1;
1214         ieee802_11_set_beacons(iface);
1215         hostapd_set_ap_wps_ie(hapd);
1216
1217         return 0;
1218 }
1219
1220
1221 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1222                       struct csa_settings *settings)
1223 {
1224 #ifdef NEED_AP_MLME
1225         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1226                 return -1;
1227
1228         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1229 #else /* NEED_AP_MLME */
1230         return -1;
1231 #endif /* NEED_AP_MLME */
1232 }
1233
1234
1235 #ifdef CONFIG_CTRL_IFACE
1236 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1237 {
1238         struct csa_settings settings;
1239         int ret = hostapd_parse_csa_settings(pos, &settings);
1240
1241         if (ret)
1242                 return ret;
1243
1244         return ap_switch_channel(wpa_s, &settings);
1245 }
1246 #endif /* CONFIG_CTRL_IFACE */
1247
1248
1249 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1250                        int offset, int width, int cf1, int cf2)
1251 {
1252         if (!wpa_s->ap_iface)
1253                 return;
1254
1255         wpa_s->assoc_freq = freq;
1256         if (wpa_s->current_ssid)
1257                 wpa_s->current_ssid->frequency = freq;
1258         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1259                                 offset, width, cf1, cf2);
1260 }
1261
1262
1263 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1264                                       const u8 *addr)
1265 {
1266         struct hostapd_data *hapd;
1267         struct hostapd_bss_config *conf;
1268
1269         if (!wpa_s->ap_iface)
1270                 return -1;
1271
1272         if (addr)
1273                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1274                            MAC2STR(addr));
1275         else
1276                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1277
1278         hapd = wpa_s->ap_iface->bss[0];
1279         conf = hapd->conf;
1280
1281         os_free(conf->accept_mac);
1282         conf->accept_mac = NULL;
1283         conf->num_accept_mac = 0;
1284         os_free(conf->deny_mac);
1285         conf->deny_mac = NULL;
1286         conf->num_deny_mac = 0;
1287
1288         if (addr == NULL) {
1289                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1290                 return 0;
1291         }
1292
1293         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1294         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1295         if (conf->accept_mac == NULL)
1296                 return -1;
1297         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1298         conf->num_accept_mac = 1;
1299
1300         return 0;
1301 }
1302
1303
1304 #ifdef CONFIG_WPS_NFC
1305 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1306                            const struct wpabuf *pw, const u8 *pubkey_hash)
1307 {
1308         struct hostapd_data *hapd;
1309         struct wps_context *wps;
1310
1311         if (!wpa_s->ap_iface)
1312                 return -1;
1313         hapd = wpa_s->ap_iface->bss[0];
1314         wps = hapd->wps;
1315
1316         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1317             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1318                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1319                 return -1;
1320         }
1321
1322         dh5_free(wps->dh_ctx);
1323         wpabuf_free(wps->dh_pubkey);
1324         wpabuf_free(wps->dh_privkey);
1325         wps->dh_privkey = wpabuf_dup(
1326                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1327         wps->dh_pubkey = wpabuf_dup(
1328                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1329         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1330                 wps->dh_ctx = NULL;
1331                 wpabuf_free(wps->dh_pubkey);
1332                 wps->dh_pubkey = NULL;
1333                 wpabuf_free(wps->dh_privkey);
1334                 wps->dh_privkey = NULL;
1335                 return -1;
1336         }
1337         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1338         if (wps->dh_ctx == NULL)
1339                 return -1;
1340
1341         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1342                                               pw_id,
1343                                               pw ? wpabuf_head(pw) : NULL,
1344                                               pw ? wpabuf_len(pw) : 0, 1);
1345 }
1346 #endif /* CONFIG_WPS_NFC */
1347
1348
1349 #ifdef CONFIG_CTRL_IFACE
1350 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1351 {
1352         struct hostapd_data *hapd;
1353
1354         if (!wpa_s->ap_iface)
1355                 return -1;
1356         hapd = wpa_s->ap_iface->bss[0];
1357         return hostapd_ctrl_iface_stop_ap(hapd);
1358 }
1359 #endif /* CONFIG_CTRL_IFACE */
1360
1361
1362 #ifdef NEED_AP_MLME
1363 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1364                                    struct dfs_event *radar)
1365 {
1366         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1367                 return;
1368         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1369         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1370                                    radar->ht_enabled, radar->chan_offset,
1371                                    radar->chan_width,
1372                                    radar->cf1, radar->cf2);
1373 }
1374
1375
1376 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1377                                 struct dfs_event *radar)
1378 {
1379         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1380                 return;
1381         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1382         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1383                               radar->ht_enabled, radar->chan_offset,
1384                               radar->chan_width, radar->cf1, radar->cf2);
1385 }
1386
1387
1388 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1389                                  struct dfs_event *radar)
1390 {
1391         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1392                 return;
1393         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1394         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1395                                  radar->ht_enabled, radar->chan_offset,
1396                                  radar->chan_width, radar->cf1, radar->cf2);
1397 }
1398
1399
1400 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1401                                 struct dfs_event *radar)
1402 {
1403         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1404                 return;
1405         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1406         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1407                                  radar->ht_enabled, radar->chan_offset,
1408                                  radar->chan_width, radar->cf1, radar->cf2);
1409 }
1410
1411
1412 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1413                                      struct dfs_event *radar)
1414 {
1415         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1416                 return;
1417         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1418         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1419                                  radar->ht_enabled, radar->chan_offset,
1420                                  radar->chan_width, radar->cf1, radar->cf2);
1421 }
1422 #endif /* NEED_AP_MLME */
1423
1424
1425 void ap_periodic(struct wpa_supplicant *wpa_s)
1426 {
1427         if (wpa_s->ap_iface)
1428                 hostapd_periodic_iface(wpa_s->ap_iface);
1429 }