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