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         conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
  96 }
  97 #endif /* CONFIG_IEEE80211N */
  98
  99
 100 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 101                               struct wpa_ssid *ssid,
 102                               struct hostapd_config *conf)
 103 {
 104         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 105                                                &conf->channel);
 106
 107         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 108                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 109                            ssid->frequency);
 110                 return -1;
 111         }
 112
 113         /* TODO: enable HT40 if driver supports it;
 114          * drop to 11b if driver does not support 11g */
 115
 116 #ifdef CONFIG_IEEE80211N
 117         /*
 118          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
 119          * and a mask of allowed capabilities within conf->ht_capab.
 120          * Using default config settings for: conf->ht_op_mode_fixed,
 121          * conf->secondary_channel, conf->require_ht
 122          */
 123         if (wpa_s->hw.modes) {
 124                 struct hostapd_hw_modes *mode = NULL;
 125                 int i, no_ht = 0;
 126                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 127                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 128                                 mode = &wpa_s->hw.modes[i];
 129                                 break;
 130                         }
 131                 }
 132
 133 #ifdef CONFIG_HT_OVERRIDES
 134                 if (ssid->disable_ht) {
 135                         conf->ieee80211n = 0;
 136                         conf->ht_capab = 0;
 137                         no_ht = 1;
 138                 }
 139 #endif /* CONFIG_HT_OVERRIDES */
 140
 141                 if (!no_ht && mode && mode->ht_capab) {
 142                         conf->ieee80211n = 1;
 143 #ifdef CONFIG_P2P
 144                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 145                             (mode->ht_capab &
 146                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 147                             ssid->ht40)
 148                                 conf->secondary_channel =
 149                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 150                                                                conf->channel);
 151                         if (conf->secondary_channel)
 152                                 conf->ht_capab |=
 153                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 154 #endif /* CONFIG_P2P */
 155
 156                         /*
 157                          * white-list capabilities that won't cause issues
 158                          * to connecting stations, while leaving the current
 159                          * capabilities intact (currently disabled SMPS).
 160                          */
 161                         conf->ht_capab |= mode->ht_capab &
 162                                 (HT_CAP_INFO_GREEN_FIELD |
 163                                  HT_CAP_INFO_SHORT_GI20MHZ |
 164                                  HT_CAP_INFO_SHORT_GI40MHZ |
 165                                  HT_CAP_INFO_RX_STBC_MASK |
 166                                  HT_CAP_INFO_TX_STBC |
 167                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 168
 169                         if (mode->vht_capab && ssid->vht) {
 170                                 conf->ieee80211ac = 1;
 171                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 172                         }
 173                 }
 174         }
 175
 176         if (conf->secondary_channel) {
 177                 struct wpa_supplicant *iface;
 178
 179                 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
 180                 {
 181                         if (iface == wpa_s ||
 182                             iface->wpa_state < WPA_AUTHENTICATING ||
 183                             (int) iface->assoc_freq != ssid->frequency)
 184                                 continue;
 185
 186                         /*
 187                          * Do not allow 40 MHz co-ex PRI/SEC switch to force us
 188                          * to change our PRI channel since we have an existing,
 189                          * concurrent connection on that channel and doing
 190                          * multi-channel concurrency is likely to cause more
 191                          * harm than using different PRI/SEC selection in
 192                          * environment with multiple BSSes on these two channels
 193                          * with mixed 20 MHz or PRI channel selection.
 194                          */
 195                         conf->no_pri_sec_switch = 1;
 196                 }
 197         }
 198 #endif /* CONFIG_IEEE80211N */
 199
 200         return 0;
 201 }
 202
 203
 204 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 205                                   struct wpa_ssid *ssid,
 206                                   struct hostapd_config *conf)
 207 {
 208         struct hostapd_bss_config *bss = conf->bss[0];
 209
 210         conf->driver = wpa_s->driver;
 211
 212         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 213
 214         if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
 215                 return -1;
 216
 217 #ifdef CONFIG_ACS
 218         if (ssid->acs) {
 219                 /* Setting channel to 0 in order to enable ACS */
 220                 conf->channel = 0;
 221                 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
 222         }
 223 #endif /* CONFIG_ACS */
 224
 225         if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
 226                 conf->ieee80211h = 1;
 227                 conf->ieee80211d = 1;
 228                 conf->country[0] = wpa_s->conf->country[0];
 229                 conf->country[1] = wpa_s->conf->country[1];
 230         }
 231
 232 #ifdef CONFIG_P2P
 233         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 234             (ssid->mode == WPAS_MODE_P2P_GO ||
 235              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 236                 /* Remove 802.11b rates from supported and basic rate sets */
 237                 int *list = os_malloc(4 * sizeof(int));
 238                 if (list) {
 239                         list[0] = 60;
 240                         list[1] = 120;
 241                         list[2] = 240;
 242                         list[3] = -1;
 243                 }
 244                 conf->basic_rates = list;
 245
 246                 list = os_malloc(9 * sizeof(int));
 247                 if (list) {
 248                         list[0] = 60;
 249                         list[1] = 90;
 250                         list[2] = 120;
 251                         list[3] = 180;
 252                         list[4] = 240;
 253                         list[5] = 360;
 254                         list[6] = 480;
 255                         list[7] = 540;
 256                         list[8] = -1;
 257                 }
 258                 conf->supported_rates = list;
 259         }
 260
 261         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 262         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 263
 264         if (ssid->p2p_group) {
 265                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 266                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 267                           4);
 268                 os_memcpy(bss->ip_addr_start,
 269                           wpa_s->parent->conf->ip_addr_start, 4);
 270                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 271                           4);
 272         }
 273 #endif /* CONFIG_P2P */
 274
 275         if (ssid->ssid_len == 0) {
 276                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 277                 return -1;
 278         }
 279         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 280         bss->ssid.ssid_len = ssid->ssid_len;
 281         bss->ssid.ssid_set = 1;
 282
 283         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 284
 285         if (ssid->auth_alg)
 286                 bss->auth_algs = ssid->auth_alg;
 287
 288         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 289                 bss->wpa = ssid->proto;
 290         bss->wpa_key_mgmt = ssid->key_mgmt;
 291         bss->wpa_pairwise = ssid->pairwise_cipher;
 292         if (ssid->psk_set) {
 293                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 294                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 295                 if (bss->ssid.wpa_psk == NULL)
 296                         return -1;
 297                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 298                 bss->ssid.wpa_psk->group = 1;
 299         } else if (ssid->passphrase) {
 300                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 301         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 302                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 303                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 304                 int i;
 305                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 306                         if (ssid->wep_key_len[i] == 0)
 307                                 continue;
 308                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 309                         if (wep->key[i] == NULL)
 310                                 return -1;
 311                         os_memcpy(wep->key[i], ssid->wep_key[i],
 312                                   ssid->wep_key_len[i]);
 313                         wep->len[i] = ssid->wep_key_len[i];
 314                 }
 315                 wep->idx = ssid->wep_tx_keyidx;
 316                 wep->keys_set = 1;
 317         }
 318
 319         if (ssid->ap_max_inactivity)
 320                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 321
 322         if (ssid->dtim_period)
 323                 bss->dtim_period = ssid->dtim_period;
 324         else if (wpa_s->conf->dtim_period)
 325                 bss->dtim_period = wpa_s->conf->dtim_period;
 326
 327         if (ssid->beacon_int)
 328                 conf->beacon_int = ssid->beacon_int;
 329         else if (wpa_s->conf->beacon_int)
 330                 conf->beacon_int = wpa_s->conf->beacon_int;
 331
 332 #ifdef CONFIG_P2P
 333         if (ssid->mode == WPAS_MODE_P2P_GO ||
 334             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 335                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 336                         wpa_printf(MSG_INFO,
 337                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 338                                    wpa_s->conf->p2p_go_ctwindow,
 339                                    conf->beacon_int);
 340                         conf->p2p_go_ctwindow = 0;
 341                 } else {
 342                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 343                 }
 344         }
 345 #endif /* CONFIG_P2P */
 346
 347         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 348                 bss->rsn_pairwise = bss->wpa_pairwise;
 349         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 350                                                     bss->rsn_pairwise);
 351
 352         if (bss->wpa && bss->ieee802_1x)
 353                 bss->ssid.security_policy = SECURITY_WPA;
 354         else if (bss->wpa)
 355                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 356         else if (bss->ieee802_1x) {
 357                 int cipher = WPA_CIPHER_NONE;
 358                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 359                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 360                 if (bss->default_wep_key_len)
 361                         cipher = bss->default_wep_key_len >= 13 ?
 362                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 363                 bss->wpa_group = cipher;
 364                 bss->wpa_pairwise = cipher;
 365                 bss->rsn_pairwise = cipher;
 366         } else if (bss->ssid.wep.keys_set) {
 367                 int cipher = WPA_CIPHER_WEP40;
 368                 if (bss->ssid.wep.len[0] >= 13)
 369                         cipher = WPA_CIPHER_WEP104;
 370                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 371                 bss->wpa_group = cipher;
 372                 bss->wpa_pairwise = cipher;
 373                 bss->rsn_pairwise = cipher;
 374         } else {
 375                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 376                 bss->wpa_group = WPA_CIPHER_NONE;
 377                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 378                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 379         }
 380
 381         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 382             (bss->wpa_group == WPA_CIPHER_CCMP ||
 383              bss->wpa_group == WPA_CIPHER_GCMP ||
 384              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 385              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 386                 /*
 387                  * Strong ciphers do not need frequent rekeying, so increase
 388                  * the default GTK rekeying period to 24 hours.
 389                  */
 390                 bss->wpa_group_rekey = 86400;
 391         }
 392
 393 #ifdef CONFIG_IEEE80211W
 394         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 395                 bss->ieee80211w = ssid->ieee80211w;
 396 #endif /* CONFIG_IEEE80211W */
 397
 398 #ifdef CONFIG_WPS
 399         /*
 400          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 401          * require user interaction to actually use it. Only the internal
 402          * Registrar is supported.
 403          */
 404         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 405             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 406                 goto no_wps;
 407         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 408             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 409              !(bss->wpa & 2)))
 410                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 411                               * configuration */
 412         bss->eap_server = 1;
 413
 414         if (!ssid->ignore_broadcast_ssid)
 415                 bss->wps_state = 2;
 416
 417         bss->ap_setup_locked = 2;
 418         if (wpa_s->conf->config_methods)
 419                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 420         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 421                   WPS_DEV_TYPE_LEN);
 422         if (wpa_s->conf->device_name) {
 423                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 424                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 425         }
 426         if (wpa_s->conf->manufacturer)
 427                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 428         if (wpa_s->conf->model_name)
 429                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 430         if (wpa_s->conf->model_number)
 431                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 432         if (wpa_s->conf->serial_number)
 433                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 434         if (is_nil_uuid(wpa_s->conf->uuid))
 435                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 436         else
 437                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 438         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 439         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 440 no_wps:
 441 #endif /* CONFIG_WPS */
 442
 443         if (wpa_s->max_stations &&
 444             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 445                 bss->max_num_sta = wpa_s->max_stations;
 446         else
 447                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 448
 449         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 450
 451         if (wpa_s->conf->ap_vendor_elements) {
 452                 bss->vendor_elements =
 453                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 454         }
 455
 456         bss->pbss = ssid->pbss;
 457
 458         return 0;
 459 }
 460
 461
 462 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 463 {
 464 #ifdef CONFIG_P2P
 465         struct wpa_supplicant *wpa_s = ctx;
 466         const struct ieee80211_mgmt *mgmt;
 467
 468         mgmt = (const struct ieee80211_mgmt *) buf;
 469         if (len < IEEE80211_HDRLEN + 1)
 470                 return;
 471         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 472                 return;
 473         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 474                            mgmt->u.action.category,
 475                            buf + IEEE80211_HDRLEN + 1,
 476                            len - IEEE80211_HDRLEN - 1, freq);
 477 #endif /* CONFIG_P2P */
 478 }
 479
 480
 481 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 482                             union wps_event_data *data)
 483 {
 484 #ifdef CONFIG_P2P
 485         struct wpa_supplicant *wpa_s = ctx;
 486
 487         if (event == WPS_EV_FAIL) {
 488                 struct wps_event_fail *fail = &data->fail;
 489
 490                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 491                     wpa_s == wpa_s->global->p2p_group_formation) {
 492                         /*
 493                          * src/ap/wps_hostapd.c has already sent this on the
 494                          * main interface, so only send on the parent interface
 495                          * here if needed.
 496                          */
 497                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 498                                 "msg=%d config_error=%d",
 499                                 fail->msg, fail->config_error);
 500                 }
 501                 wpas_p2p_wps_failed(wpa_s, fail);
 502         }
 503 #endif /* CONFIG_P2P */
 504 }
 505
 506
 507 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 508                                  int authorized, const u8 *p2p_dev_addr)
 509 {
 510         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 511 }
 512
 513
 514 #ifdef CONFIG_P2P
 515 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 516                           const u8 *psk, size_t psk_len)
 517 {
 518
 519         struct wpa_supplicant *wpa_s = ctx;
 520         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 521                 return;
 522         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 523 }
 524 #endif /* CONFIG_P2P */
 525
 526
 527 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 528 {
 529 #ifdef CONFIG_P2P
 530         struct wpa_supplicant *wpa_s = ctx;
 531         const struct ieee80211_mgmt *mgmt;
 532
 533         mgmt = (const struct ieee80211_mgmt *) buf;
 534         if (len < IEEE80211_HDRLEN + 1)
 535                 return -1;
 536         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 537                            mgmt->u.action.category,
 538                            buf + IEEE80211_HDRLEN + 1,
 539                            len - IEEE80211_HDRLEN - 1, freq);
 540 #endif /* CONFIG_P2P */
 541         return 0;
 542 }
 543
 544
 545 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 546                            const u8 *bssid, const u8 *ie, size_t ie_len,
 547                            int ssi_signal)
 548 {
 549         struct wpa_supplicant *wpa_s = ctx;
 550         unsigned int freq = 0;
 551
 552         if (wpa_s->ap_iface)
 553                 freq = wpa_s->ap_iface->freq;
 554
 555         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 556                                      freq, ssi_signal);
 557 }
 558
 559
 560 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 561                                   const u8 *uuid_e)
 562 {
 563         struct wpa_supplicant *wpa_s = ctx;
 564         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 565 }
 566
 567
 568 static void wpas_ap_configured_cb(void *ctx)
 569 {
 570         struct wpa_supplicant *wpa_s = ctx;
 571
 572 #ifdef CONFIG_ACS
 573         if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
 574                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 575 #endif /* CONFIG_ACS */
 576
 577         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 578
 579         if (wpa_s->ap_configured_cb)
 580                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 581                                         wpa_s->ap_configured_cb_data);
 582 }
 583
 584
 585 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 586                              struct wpa_ssid *ssid)
 587 {
 588         struct wpa_driver_associate_params params;
 589         struct hostapd_iface *hapd_iface;
 590         struct hostapd_config *conf;
 591         size_t i;
 592
 593         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 594                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 595                 return -1;
 596         }
 597
 598         wpa_supplicant_ap_deinit(wpa_s);
 599
 600         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 601                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 602
 603         os_memset(&params, 0, sizeof(params));
 604         params.ssid = ssid->ssid;
 605         params.ssid_len = ssid->ssid_len;
 606         switch (ssid->mode) {
 607         case WPAS_MODE_AP:
 608         case WPAS_MODE_P2P_GO:
 609         case WPAS_MODE_P2P_GROUP_FORMATION:
 610                 params.mode = IEEE80211_MODE_AP;
 611                 break;
 612         default:
 613                 return -1;
 614         }
 615         if (ssid->frequency == 0)
 616                 ssid->frequency = 2462; /* default channel 11 */
 617         params.freq.freq = ssid->frequency;
 618
 619         params.wpa_proto = ssid->proto;
 620         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 621                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 622         else
 623                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 624         params.key_mgmt_suite = wpa_s->key_mgmt;
 625
 626         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 627                                                           1);
 628         if (wpa_s->pairwise_cipher < 0) {
 629                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 630                            "cipher.");
 631                 return -1;
 632         }
 633         params.pairwise_suite = wpa_s->pairwise_cipher;
 634         params.group_suite = params.pairwise_suite;
 635
 636 #ifdef CONFIG_P2P
 637         if (ssid->mode == WPAS_MODE_P2P_GO ||
 638             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 639                 params.p2p = 1;
 640 #endif /* CONFIG_P2P */
 641
 642         if (wpa_s->parent->set_ap_uapsd)
 643                 params.uapsd = wpa_s->parent->ap_uapsd;
 644         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 645                 params.uapsd = 1; /* mandatory for P2P GO */
 646         else
 647                 params.uapsd = -1;
 648
 649         if (ieee80211_is_dfs(params.freq.freq))
 650                 params.freq.freq = 0; /* set channel after CAC */
 651
 652         if (wpa_drv_associate(wpa_s, &params) < 0) {
 653                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 654                 return -1;
 655         }
 656
 657         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 658         if (hapd_iface == NULL)
 659                 return -1;
 660         hapd_iface->owner = wpa_s;
 661         hapd_iface->drv_flags = wpa_s->drv_flags;
 662         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 663         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 664         hapd_iface->extended_capa = wpa_s->extended_capa;
 665         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 666         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 667
 668         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 669         if (conf == NULL) {
 670                 wpa_supplicant_ap_deinit(wpa_s);
 671                 return -1;
 672         }
 673
 674         /* Use the maximum oper channel width if it's given. */
 675         if (ssid->max_oper_chwidth)
 676                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
 677
 678         ieee80211_freq_to_chan(ssid->vht_center_freq2,
 679                                &conf->vht_oper_centr_freq_seg1_idx);
 680
 681         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 682                   wpa_s->conf->wmm_ac_params,
 683                   sizeof(wpa_s->conf->wmm_ac_params));
 684
 685         if (params.uapsd > 0) {
 686                 conf->bss[0]->wmm_enabled = 1;
 687                 conf->bss[0]->wmm_uapsd = 1;
 688         }
 689
 690         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 691                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 692                 wpa_supplicant_ap_deinit(wpa_s);
 693                 return -1;
 694         }
 695
 696 #ifdef CONFIG_P2P
 697         if (ssid->mode == WPAS_MODE_P2P_GO)
 698                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 699         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 700                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 701                         P2P_GROUP_FORMATION;
 702 #endif /* CONFIG_P2P */
 703
 704         hapd_iface->num_bss = conf->num_bss;
 705         hapd_iface->bss = os_calloc(conf->num_bss,
 706                                     sizeof(struct hostapd_data *));
 707         if (hapd_iface->bss == NULL) {
 708                 wpa_supplicant_ap_deinit(wpa_s);
 709                 return -1;
 710         }
 711
 712         for (i = 0; i < conf->num_bss; i++) {
 713                 hapd_iface->bss[i] =
 714                         hostapd_alloc_bss_data(hapd_iface, conf,
 715                                                conf->bss[i]);
 716                 if (hapd_iface->bss[i] == NULL) {
 717                         wpa_supplicant_ap_deinit(wpa_s);
 718                         return -1;
 719                 }
 720
 721                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 722                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 723                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 724                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 725                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 726                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 727                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 728                                              ap_probe_req_rx, wpa_s);
 729                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 730                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 731                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 732                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 733                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 734                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 735 #ifdef CONFIG_P2P
 736                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 737                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 738                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 739                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 740                                                                     ssid);
 741 #endif /* CONFIG_P2P */
 742                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 743                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 744 #ifdef CONFIG_TESTING_OPTIONS
 745                 hapd_iface->bss[i]->ext_eapol_frame_io =
 746                         wpa_s->ext_eapol_frame_io;
 747 #endif /* CONFIG_TESTING_OPTIONS */
 748         }
 749
 750         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 751         hapd_iface->bss[0]->driver = wpa_s->driver;
 752         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 753
 754         wpa_s->current_ssid = ssid;
 755         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 756         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 757         wpa_s->assoc_freq = ssid->frequency;
 758
 759         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 760                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 761                 wpa_supplicant_ap_deinit(wpa_s);
 762                 return -1;
 763         }
 764
 765         return 0;
 766 }
 767
 768
 769 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 770 {
 771 #ifdef CONFIG_WPS
 772         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 773 #endif /* CONFIG_WPS */
 774
 775         if (wpa_s->ap_iface == NULL)
 776                 return;
 777
 778         wpa_s->current_ssid = NULL;
 779         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 780         wpa_s->assoc_freq = 0;
 781         wpas_p2p_ap_deinit(wpa_s);
 782         wpa_s->ap_iface->driver_ap_teardown =
 783                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 784
 785         hostapd_interface_deinit(wpa_s->ap_iface);
 786         hostapd_interface_free(wpa_s->ap_iface);
 787         wpa_s->ap_iface = NULL;
 788         wpa_drv_deinit_ap(wpa_s);
 789         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 790                 " reason=%d locally_generated=1",
 791                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 792 }
 793
 794
 795 void ap_tx_status(void *ctx, const u8 *addr,
 796                   const u8 *buf, size_t len, int ack)
 797 {
 798 #ifdef NEED_AP_MLME
 799         struct wpa_supplicant *wpa_s = ctx;
 800         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 801 #endif /* NEED_AP_MLME */
 802 }
 803
 804
 805 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 806                         const u8 *data, size_t len, int ack)
 807 {
 808 #ifdef NEED_AP_MLME
 809         struct wpa_supplicant *wpa_s = ctx;
 810         if (!wpa_s->ap_iface)
 811                 return;
 812         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 813 #endif /* NEED_AP_MLME */
 814 }
 815
 816
 817 void ap_client_poll_ok(void *ctx, const u8 *addr)
 818 {
 819 #ifdef NEED_AP_MLME
 820         struct wpa_supplicant *wpa_s = ctx;
 821         if (wpa_s->ap_iface)
 822                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 823 #endif /* NEED_AP_MLME */
 824 }
 825
 826
 827 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 828 {
 829 #ifdef NEED_AP_MLME
 830         struct wpa_supplicant *wpa_s = ctx;
 831         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 832 #endif /* NEED_AP_MLME */
 833 }
 834
 835
 836 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 837 {
 838 #ifdef NEED_AP_MLME
 839         struct wpa_supplicant *wpa_s = ctx;
 840         struct hostapd_frame_info fi;
 841         os_memset(&fi, 0, sizeof(fi));
 842         fi.datarate = rx_mgmt->datarate;
 843         fi.ssi_signal = rx_mgmt->ssi_signal;
 844         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 845                         rx_mgmt->frame_len, &fi);
 846 #endif /* NEED_AP_MLME */
 847 }
 848
 849
 850 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 851 {
 852 #ifdef NEED_AP_MLME
 853         struct wpa_supplicant *wpa_s = ctx;
 854         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 855 #endif /* NEED_AP_MLME */
 856 }
 857
 858
 859 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 860                                 const u8 *src_addr, const u8 *buf, size_t len)
 861 {
 862         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 863 }
 864
 865
 866 #ifdef CONFIG_WPS
 867
 868 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 869                               const u8 *p2p_dev_addr)
 870 {
 871         if (!wpa_s->ap_iface)
 872                 return -1;
 873         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 874                                          p2p_dev_addr);
 875 }
 876
 877
 878 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 879 {
 880         struct wps_registrar *reg;
 881         int reg_sel = 0, wps_sta = 0;
 882
 883         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 884                 return -1;
 885
 886         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 887         reg_sel = wps_registrar_wps_cancel(reg);
 888         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 889                                   ap_sta_wps_cancel, NULL);
 890
 891         if (!reg_sel && !wps_sta) {
 892                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 893                            "time");
 894                 return -1;
 895         }
 896
 897         /*
 898          * There are 2 cases to return wps cancel as success:
 899          * 1. When wps cancel was initiated but no connection has been
 900          *    established with client yet.
 901          * 2. Client is in the middle of exchanging WPS messages.
 902          */
 903
 904         return 0;
 905 }
 906
 907
 908 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 909                               const char *pin, char *buf, size_t buflen,
 910                               int timeout)
 911 {
 912         int ret, ret_len = 0;
 913
 914         if (!wpa_s->ap_iface)
 915                 return -1;
 916
 917         if (pin == NULL) {
 918                 unsigned int rpin;
 919
 920                 if (wps_generate_pin(&rpin) < 0)
 921                         return -1;
 922                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 923                 if (os_snprintf_error(buflen, ret_len))
 924                         return -1;
 925                 pin = buf;
 926         } else if (buf) {
 927                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 928                 if (os_snprintf_error(buflen, ret_len))
 929                         return -1;
 930         }
 931
 932         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 933                                   timeout);
 934         if (ret)
 935                 return -1;
 936         return ret_len;
 937 }
 938
 939
 940 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 941 {
 942         struct wpa_supplicant *wpa_s = eloop_data;
 943         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 944         wpas_wps_ap_pin_disable(wpa_s);
 945 }
 946
 947
 948 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 949 {
 950         struct hostapd_data *hapd;
 951
 952         if (wpa_s->ap_iface == NULL)
 953                 return;
 954         hapd = wpa_s->ap_iface->bss[0];
 955         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 956         hapd->ap_pin_failures = 0;
 957         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 958         if (timeout > 0)
 959                 eloop_register_timeout(timeout, 0,
 960                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 961 }
 962
 963
 964 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 965 {
 966         struct hostapd_data *hapd;
 967
 968         if (wpa_s->ap_iface == NULL)
 969                 return;
 970         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 971         hapd = wpa_s->ap_iface->bss[0];
 972         os_free(hapd->conf->ap_pin);
 973         hapd->conf->ap_pin = NULL;
 974         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 975 }
 976
 977
 978 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 979 {
 980         struct hostapd_data *hapd;
 981         unsigned int pin;
 982         char pin_txt[9];
 983
 984         if (wpa_s->ap_iface == NULL)
 985                 return NULL;
 986         hapd = wpa_s->ap_iface->bss[0];
 987         if (wps_generate_pin(&pin) < 0)
 988                 return NULL;
 989         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 990         os_free(hapd->conf->ap_pin);
 991         hapd->conf->ap_pin = os_strdup(pin_txt);
 992         if (hapd->conf->ap_pin == NULL)
 993                 return NULL;
 994         wpas_wps_ap_pin_enable(wpa_s, timeout);
 995
 996         return hapd->conf->ap_pin;
 997 }
 998
 999
1000 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1001 {
1002         struct hostapd_data *hapd;
1003         if (wpa_s->ap_iface == NULL)
1004                 return NULL;
1005         hapd = wpa_s->ap_iface->bss[0];
1006         return hapd->conf->ap_pin;
1007 }
1008
1009
1010 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1011                         int timeout)
1012 {
1013         struct hostapd_data *hapd;
1014         char pin_txt[9];
1015         int ret;
1016
1017         if (wpa_s->ap_iface == NULL)
1018                 return -1;
1019         hapd = wpa_s->ap_iface->bss[0];
1020         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1021         if (os_snprintf_error(sizeof(pin_txt), ret))
1022                 return -1;
1023         os_free(hapd->conf->ap_pin);
1024         hapd->conf->ap_pin = os_strdup(pin_txt);
1025         if (hapd->conf->ap_pin == NULL)
1026                 return -1;
1027         wpas_wps_ap_pin_enable(wpa_s, timeout);
1028
1029         return 0;
1030 }
1031
1032
1033 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1034 {
1035         struct hostapd_data *hapd;
1036
1037         if (wpa_s->ap_iface == NULL)
1038                 return;
1039         hapd = wpa_s->ap_iface->bss[0];
1040
1041         /*
1042          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1043          * PIN if this happens multiple times to slow down brute force attacks.
1044          */
1045         hapd->ap_pin_failures++;
1046         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1047                    hapd->ap_pin_failures);
1048         if (hapd->ap_pin_failures < 3)
1049                 return;
1050
1051         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1052         hapd->ap_pin_failures = 0;
1053         os_free(hapd->conf->ap_pin);
1054         hapd->conf->ap_pin = NULL;
1055 }
1056
1057
1058 #ifdef CONFIG_WPS_NFC
1059
1060 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1061                                              int ndef)
1062 {
1063         struct hostapd_data *hapd;
1064
1065         if (wpa_s->ap_iface == NULL)
1066                 return NULL;
1067         hapd = wpa_s->ap_iface->bss[0];
1068         return hostapd_wps_nfc_config_token(hapd, ndef);
1069 }
1070
1071
1072 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1073                                              int ndef)
1074 {
1075         struct hostapd_data *hapd;
1076
1077         if (wpa_s->ap_iface == NULL)
1078                 return NULL;
1079         hapd = wpa_s->ap_iface->bss[0];
1080         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1081 }
1082
1083
1084 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1085                                     const struct wpabuf *req,
1086                                     const struct wpabuf *sel)
1087 {
1088         struct hostapd_data *hapd;
1089
1090         if (wpa_s->ap_iface == NULL)
1091                 return -1;
1092         hapd = wpa_s->ap_iface->bss[0];
1093         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1094 }
1095
1096 #endif /* CONFIG_WPS_NFC */
1097
1098 #endif /* CONFIG_WPS */
1099
1100
1101 #ifdef CONFIG_CTRL_IFACE
1102
1103 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1104                             char *buf, size_t buflen)
1105 {
1106         struct hostapd_data *hapd;
1107
1108         if (wpa_s->ap_iface)
1109                 hapd = wpa_s->ap_iface->bss[0];
1110         else if (wpa_s->ifmsh)
1111                 hapd = wpa_s->ifmsh->bss[0];
1112         else
1113                 return -1;
1114         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1115 }
1116
1117
1118 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1119                       char *buf, size_t buflen)
1120 {
1121         struct hostapd_data *hapd;
1122
1123         if (wpa_s->ap_iface)
1124                 hapd = wpa_s->ap_iface->bss[0];
1125         else if (wpa_s->ifmsh)
1126                 hapd = wpa_s->ifmsh->bss[0];
1127         else
1128                 return -1;
1129         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1130 }
1131
1132
1133 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1134                            char *buf, size_t buflen)
1135 {
1136         struct hostapd_data *hapd;
1137
1138         if (wpa_s->ap_iface)
1139                 hapd = wpa_s->ap_iface->bss[0];
1140         else if (wpa_s->ifmsh)
1141                 hapd = wpa_s->ifmsh->bss[0];
1142         else
1143                 return -1;
1144         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1145 }
1146
1147
1148 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1149                                    const char *txtaddr)
1150 {
1151         if (wpa_s->ap_iface == NULL)
1152                 return -1;
1153         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1154                                                txtaddr);
1155 }
1156
1157
1158 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1159                                      const char *txtaddr)
1160 {
1161         if (wpa_s->ap_iface == NULL)
1162                 return -1;
1163         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1164                                                  txtaddr);
1165 }
1166
1167
1168 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1169                                  size_t buflen, int verbose)
1170 {
1171         char *pos = buf, *end = buf + buflen;
1172         int ret;
1173         struct hostapd_bss_config *conf;
1174
1175         if (wpa_s->ap_iface == NULL)
1176                 return -1;
1177
1178         conf = wpa_s->ap_iface->bss[0]->conf;
1179         if (conf->wpa == 0)
1180                 return 0;
1181
1182         ret = os_snprintf(pos, end - pos,
1183                           "pairwise_cipher=%s\n"
1184                           "group_cipher=%s\n"
1185                           "key_mgmt=%s\n",
1186                           wpa_cipher_txt(conf->rsn_pairwise),
1187                           wpa_cipher_txt(conf->wpa_group),
1188                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1189                                            conf->wpa));
1190         if (os_snprintf_error(end - pos, ret))
1191                 return pos - buf;
1192         pos += ret;
1193         return pos - buf;
1194 }
1195
1196 #endif /* CONFIG_CTRL_IFACE */
1197
1198
1199 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1200 {
1201         struct hostapd_iface *iface = wpa_s->ap_iface;
1202         struct wpa_ssid *ssid = wpa_s->current_ssid;
1203         struct hostapd_data *hapd;
1204
1205         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1206             ssid->mode == WPAS_MODE_INFRA ||
1207             ssid->mode == WPAS_MODE_IBSS)
1208                 return -1;
1209
1210 #ifdef CONFIG_P2P
1211         if (ssid->mode == WPAS_MODE_P2P_GO)
1212                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1213         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1214                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1215                         P2P_GROUP_FORMATION;
1216 #endif /* CONFIG_P2P */
1217
1218         hapd = iface->bss[0];
1219         if (hapd->drv_priv == NULL)
1220                 return -1;
1221         ieee802_11_set_beacons(iface);
1222         hostapd_set_ap_wps_ie(hapd);
1223
1224         return 0;
1225 }
1226
1227
1228 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1229                       struct csa_settings *settings)
1230 {
1231 #ifdef NEED_AP_MLME
1232         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1233                 return -1;
1234
1235         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1236 #else /* NEED_AP_MLME */
1237         return -1;
1238 #endif /* NEED_AP_MLME */
1239 }
1240
1241
1242 #ifdef CONFIG_CTRL_IFACE
1243 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1244 {
1245         struct csa_settings settings;
1246         int ret = hostapd_parse_csa_settings(pos, &settings);
1247
1248         if (ret)
1249                 return ret;
1250
1251         return ap_switch_channel(wpa_s, &settings);
1252 }
1253 #endif /* CONFIG_CTRL_IFACE */
1254
1255
1256 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1257                        int offset, int width, int cf1, int cf2)
1258 {
1259         if (!wpa_s->ap_iface)
1260                 return;
1261
1262         wpa_s->assoc_freq = freq;
1263         if (wpa_s->current_ssid)
1264                 wpa_s->current_ssid->frequency = freq;
1265         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1266                                 offset, width, cf1, cf2);
1267 }
1268
1269
1270 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1271                                       const u8 *addr)
1272 {
1273         struct hostapd_data *hapd;
1274         struct hostapd_bss_config *conf;
1275
1276         if (!wpa_s->ap_iface)
1277                 return -1;
1278
1279         if (addr)
1280                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1281                            MAC2STR(addr));
1282         else
1283                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1284
1285         hapd = wpa_s->ap_iface->bss[0];
1286         conf = hapd->conf;
1287
1288         os_free(conf->accept_mac);
1289         conf->accept_mac = NULL;
1290         conf->num_accept_mac = 0;
1291         os_free(conf->deny_mac);
1292         conf->deny_mac = NULL;
1293         conf->num_deny_mac = 0;
1294
1295         if (addr == NULL) {
1296                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1297                 return 0;
1298         }
1299
1300         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1301         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1302         if (conf->accept_mac == NULL)
1303                 return -1;
1304         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1305         conf->num_accept_mac = 1;
1306
1307         return 0;
1308 }
1309
1310
1311 #ifdef CONFIG_WPS_NFC
1312 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1313                            const struct wpabuf *pw, const u8 *pubkey_hash)
1314 {
1315         struct hostapd_data *hapd;
1316         struct wps_context *wps;
1317
1318         if (!wpa_s->ap_iface)
1319                 return -1;
1320         hapd = wpa_s->ap_iface->bss[0];
1321         wps = hapd->wps;
1322
1323         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1324             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1325                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1326                 return -1;
1327         }
1328
1329         dh5_free(wps->dh_ctx);
1330         wpabuf_free(wps->dh_pubkey);
1331         wpabuf_free(wps->dh_privkey);
1332         wps->dh_privkey = wpabuf_dup(
1333                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1334         wps->dh_pubkey = wpabuf_dup(
1335                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1336         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1337                 wps->dh_ctx = NULL;
1338                 wpabuf_free(wps->dh_pubkey);
1339                 wps->dh_pubkey = NULL;
1340                 wpabuf_free(wps->dh_privkey);
1341                 wps->dh_privkey = NULL;
1342                 return -1;
1343         }
1344         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1345         if (wps->dh_ctx == NULL)
1346                 return -1;
1347
1348         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1349                                               pw_id,
1350                                               pw ? wpabuf_head(pw) : NULL,
1351                                               pw ? wpabuf_len(pw) : 0, 1);
1352 }
1353 #endif /* CONFIG_WPS_NFC */
1354
1355
1356 #ifdef CONFIG_CTRL_IFACE
1357 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1358 {
1359         struct hostapd_data *hapd;
1360
1361         if (!wpa_s->ap_iface)
1362                 return -1;
1363         hapd = wpa_s->ap_iface->bss[0];
1364         return hostapd_ctrl_iface_stop_ap(hapd);
1365 }
1366 #endif /* CONFIG_CTRL_IFACE */
1367
1368
1369 #ifdef NEED_AP_MLME
1370 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1371                                    struct dfs_event *radar)
1372 {
1373         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1374                 return;
1375         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1376         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1377                                    radar->ht_enabled, radar->chan_offset,
1378                                    radar->chan_width,
1379                                    radar->cf1, radar->cf2);
1380 }
1381
1382
1383 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1384                                 struct dfs_event *radar)
1385 {
1386         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1387                 return;
1388         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1389         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1390                               radar->ht_enabled, radar->chan_offset,
1391                               radar->chan_width, radar->cf1, radar->cf2);
1392 }
1393
1394
1395 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1396                                  struct dfs_event *radar)
1397 {
1398         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1399                 return;
1400         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1401         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1402                                  radar->ht_enabled, radar->chan_offset,
1403                                  radar->chan_width, radar->cf1, radar->cf2);
1404 }
1405
1406
1407 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1408                                 struct dfs_event *radar)
1409 {
1410         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1411                 return;
1412         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1413         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1414                                  radar->ht_enabled, radar->chan_offset,
1415                                  radar->chan_width, radar->cf1, radar->cf2);
1416 }
1417
1418
1419 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1420                                      struct dfs_event *radar)
1421 {
1422         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1423                 return;
1424         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1425         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1426                                  radar->ht_enabled, radar->chan_offset,
1427                                  radar->chan_width, radar->cf1, radar->cf2);
1428 }
1429 #endif /* NEED_AP_MLME */
1430
1431
1432 void ap_periodic(struct wpa_supplicant *wpa_s)
1433 {
1434         if (wpa_s->ap_iface)
1435                 hostapd_periodic_iface(wpa_s->ap_iface);
1436 }