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         if (ssid->pbss > 1) {
 218                 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
 219                            ssid->pbss);
 220                 return -1;
 221         }
 222         bss->pbss = ssid->pbss;
 223
 224 #ifdef CONFIG_ACS
 225         if (ssid->acs) {
 226                 /* Setting channel to 0 in order to enable ACS */
 227                 conf->channel = 0;
 228                 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
 229         }
 230 #endif /* CONFIG_ACS */
 231
 232         if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
 233                 conf->ieee80211h = 1;
 234                 conf->ieee80211d = 1;
 235                 conf->country[0] = wpa_s->conf->country[0];
 236                 conf->country[1] = wpa_s->conf->country[1];
 237         }
 238
 239 #ifdef CONFIG_P2P
 240         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 241             (ssid->mode == WPAS_MODE_P2P_GO ||
 242              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 243                 /* Remove 802.11b rates from supported and basic rate sets */
 244                 int *list = os_malloc(4 * sizeof(int));
 245                 if (list) {
 246                         list[0] = 60;
 247                         list[1] = 120;
 248                         list[2] = 240;
 249                         list[3] = -1;
 250                 }
 251                 conf->basic_rates = list;
 252
 253                 list = os_malloc(9 * sizeof(int));
 254                 if (list) {
 255                         list[0] = 60;
 256                         list[1] = 90;
 257                         list[2] = 120;
 258                         list[3] = 180;
 259                         list[4] = 240;
 260                         list[5] = 360;
 261                         list[6] = 480;
 262                         list[7] = 540;
 263                         list[8] = -1;
 264                 }
 265                 conf->supported_rates = list;
 266         }
 267
 268         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 269         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 270
 271         if (ssid->p2p_group) {
 272                 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
 273                 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
 274                           4);
 275                 os_memcpy(bss->ip_addr_start,
 276                           wpa_s->p2pdev->conf->ip_addr_start, 4);
 277                 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
 278                           4);
 279         }
 280 #endif /* CONFIG_P2P */
 281
 282         if (ssid->ssid_len == 0) {
 283                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 284                 return -1;
 285         }
 286         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 287         bss->ssid.ssid_len = ssid->ssid_len;
 288         bss->ssid.ssid_set = 1;
 289
 290         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 291
 292         if (ssid->auth_alg)
 293                 bss->auth_algs = ssid->auth_alg;
 294
 295         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 296                 bss->wpa = ssid->proto;
 297         if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
 298                 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
 299         else
 300                 bss->wpa_key_mgmt = ssid->key_mgmt;
 301         bss->wpa_pairwise = ssid->pairwise_cipher;
 302         if (ssid->psk_set) {
 303                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 304                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 305                 if (bss->ssid.wpa_psk == NULL)
 306                         return -1;
 307                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 308                 bss->ssid.wpa_psk->group = 1;
 309                 bss->ssid.wpa_psk_set = 1;
 310         } else if (ssid->passphrase) {
 311                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 312         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 313                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 314                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 315                 int i;
 316                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 317                         if (ssid->wep_key_len[i] == 0)
 318                                 continue;
 319                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 320                         if (wep->key[i] == NULL)
 321                                 return -1;
 322                         os_memcpy(wep->key[i], ssid->wep_key[i],
 323                                   ssid->wep_key_len[i]);
 324                         wep->len[i] = ssid->wep_key_len[i];
 325                 }
 326                 wep->idx = ssid->wep_tx_keyidx;
 327                 wep->keys_set = 1;
 328         }
 329
 330         if (ssid->ap_max_inactivity)
 331                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 332
 333         if (ssid->dtim_period)
 334                 bss->dtim_period = ssid->dtim_period;
 335         else if (wpa_s->conf->dtim_period)
 336                 bss->dtim_period = wpa_s->conf->dtim_period;
 337
 338         if (ssid->beacon_int)
 339                 conf->beacon_int = ssid->beacon_int;
 340         else if (wpa_s->conf->beacon_int)
 341                 conf->beacon_int = wpa_s->conf->beacon_int;
 342
 343 #ifdef CONFIG_P2P
 344         if (ssid->mode == WPAS_MODE_P2P_GO ||
 345             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 346                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 347                         wpa_printf(MSG_INFO,
 348                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 349                                    wpa_s->conf->p2p_go_ctwindow,
 350                                    conf->beacon_int);
 351                         conf->p2p_go_ctwindow = 0;
 352                 } else {
 353                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 354                 }
 355         }
 356 #endif /* CONFIG_P2P */
 357
 358         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 359                 bss->rsn_pairwise = bss->wpa_pairwise;
 360         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 361                                                     bss->rsn_pairwise);
 362
 363         if (bss->wpa && bss->ieee802_1x)
 364                 bss->ssid.security_policy = SECURITY_WPA;
 365         else if (bss->wpa)
 366                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 367         else if (bss->ieee802_1x) {
 368                 int cipher = WPA_CIPHER_NONE;
 369                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 370                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 371                 if (bss->default_wep_key_len)
 372                         cipher = bss->default_wep_key_len >= 13 ?
 373                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 374                 bss->wpa_group = cipher;
 375                 bss->wpa_pairwise = cipher;
 376                 bss->rsn_pairwise = cipher;
 377         } else if (bss->ssid.wep.keys_set) {
 378                 int cipher = WPA_CIPHER_WEP40;
 379                 if (bss->ssid.wep.len[0] >= 13)
 380                         cipher = WPA_CIPHER_WEP104;
 381                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 382                 bss->wpa_group = cipher;
 383                 bss->wpa_pairwise = cipher;
 384                 bss->rsn_pairwise = cipher;
 385         } else {
 386                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 387                 bss->wpa_group = WPA_CIPHER_NONE;
 388                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 389                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 390         }
 391
 392         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 393             (bss->wpa_group == WPA_CIPHER_CCMP ||
 394              bss->wpa_group == WPA_CIPHER_GCMP ||
 395              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 396              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 397                 /*
 398                  * Strong ciphers do not need frequent rekeying, so increase
 399                  * the default GTK rekeying period to 24 hours.
 400                  */
 401                 bss->wpa_group_rekey = 86400;
 402         }
 403
 404 #ifdef CONFIG_IEEE80211W
 405         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 406                 bss->ieee80211w = ssid->ieee80211w;
 407 #endif /* CONFIG_IEEE80211W */
 408
 409 #ifdef CONFIG_WPS
 410         /*
 411          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 412          * require user interaction to actually use it. Only the internal
 413          * Registrar is supported.
 414          */
 415         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 416             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 417                 goto no_wps;
 418         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 419             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 420              !(bss->wpa & 2)))
 421                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 422                               * configuration */
 423         if (ssid->wps_disabled)
 424                 goto no_wps;
 425         bss->eap_server = 1;
 426
 427         if (!ssid->ignore_broadcast_ssid)
 428                 bss->wps_state = 2;
 429
 430         bss->ap_setup_locked = 2;
 431         if (wpa_s->conf->config_methods)
 432                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 433         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 434                   WPS_DEV_TYPE_LEN);
 435         if (wpa_s->conf->device_name) {
 436                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 437                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 438         }
 439         if (wpa_s->conf->manufacturer)
 440                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 441         if (wpa_s->conf->model_name)
 442                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 443         if (wpa_s->conf->model_number)
 444                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 445         if (wpa_s->conf->serial_number)
 446                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 447         if (is_nil_uuid(wpa_s->conf->uuid))
 448                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 449         else
 450                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 451         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 452         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 453         if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
 454                 bss->fragment_size = ssid->eap.fragment_size;
 455 no_wps:
 456 #endif /* CONFIG_WPS */
 457
 458         if (wpa_s->max_stations &&
 459             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 460                 bss->max_num_sta = wpa_s->max_stations;
 461         else
 462                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 463
 464         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 465
 466         if (wpa_s->conf->ap_vendor_elements) {
 467                 bss->vendor_elements =
 468                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 469         }
 470
 471         bss->ftm_responder = wpa_s->conf->ftm_responder;
 472         bss->ftm_initiator = wpa_s->conf->ftm_initiator;
 473
 474         return 0;
 475 }
 476
 477
 478 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 479 {
 480 #ifdef CONFIG_P2P
 481         struct wpa_supplicant *wpa_s = ctx;
 482         const struct ieee80211_mgmt *mgmt;
 483
 484         mgmt = (const struct ieee80211_mgmt *) buf;
 485         if (len < IEEE80211_HDRLEN + 1)
 486                 return;
 487         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 488                 return;
 489         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 490                            mgmt->u.action.category,
 491                            buf + IEEE80211_HDRLEN + 1,
 492                            len - IEEE80211_HDRLEN - 1, freq);
 493 #endif /* CONFIG_P2P */
 494 }
 495
 496
 497 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 498                             union wps_event_data *data)
 499 {
 500 #ifdef CONFIG_P2P
 501         struct wpa_supplicant *wpa_s = ctx;
 502
 503         if (event == WPS_EV_FAIL) {
 504                 struct wps_event_fail *fail = &data->fail;
 505
 506                 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
 507                     wpa_s == wpa_s->global->p2p_group_formation) {
 508                         /*
 509                          * src/ap/wps_hostapd.c has already sent this on the
 510                          * main interface, so only send on the parent interface
 511                          * here if needed.
 512                          */
 513                         wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
 514                                 "msg=%d config_error=%d",
 515                                 fail->msg, fail->config_error);
 516                 }
 517                 wpas_p2p_wps_failed(wpa_s, fail);
 518         }
 519 #endif /* CONFIG_P2P */
 520 }
 521
 522
 523 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 524                                  int authorized, const u8 *p2p_dev_addr)
 525 {
 526         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 527 }
 528
 529
 530 #ifdef CONFIG_P2P
 531 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 532                           const u8 *psk, size_t psk_len)
 533 {
 534
 535         struct wpa_supplicant *wpa_s = ctx;
 536         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 537                 return;
 538         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 539 }
 540 #endif /* CONFIG_P2P */
 541
 542
 543 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 544 {
 545 #ifdef CONFIG_P2P
 546         struct wpa_supplicant *wpa_s = ctx;
 547         const struct ieee80211_mgmt *mgmt;
 548
 549         mgmt = (const struct ieee80211_mgmt *) buf;
 550         if (len < IEEE80211_HDRLEN + 1)
 551                 return -1;
 552         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 553                            mgmt->u.action.category,
 554                            buf + IEEE80211_HDRLEN + 1,
 555                            len - IEEE80211_HDRLEN - 1, freq);
 556 #endif /* CONFIG_P2P */
 557         return 0;
 558 }
 559
 560
 561 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 562                            const u8 *bssid, const u8 *ie, size_t ie_len,
 563                            int ssi_signal)
 564 {
 565         struct wpa_supplicant *wpa_s = ctx;
 566         unsigned int freq = 0;
 567
 568         if (wpa_s->ap_iface)
 569                 freq = wpa_s->ap_iface->freq;
 570
 571         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 572                                      freq, ssi_signal);
 573 }
 574
 575
 576 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 577                                   const u8 *uuid_e)
 578 {
 579         struct wpa_supplicant *wpa_s = ctx;
 580         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 581 }
 582
 583
 584 static void wpas_ap_configured_cb(void *ctx)
 585 {
 586         struct wpa_supplicant *wpa_s = ctx;
 587
 588 #ifdef CONFIG_ACS
 589         if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
 590                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 591 #endif /* CONFIG_ACS */
 592
 593         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 594
 595         if (wpa_s->ap_configured_cb)
 596                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 597                                         wpa_s->ap_configured_cb_data);
 598 }
 599
 600
 601 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 602                              struct wpa_ssid *ssid)
 603 {
 604         struct wpa_driver_associate_params params;
 605         struct hostapd_iface *hapd_iface;
 606         struct hostapd_config *conf;
 607         size_t i;
 608
 609         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 610                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 611                 return -1;
 612         }
 613
 614         wpa_supplicant_ap_deinit(wpa_s);
 615
 616         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 617                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 618
 619         os_memset(&params, 0, sizeof(params));
 620         params.ssid = ssid->ssid;
 621         params.ssid_len = ssid->ssid_len;
 622         switch (ssid->mode) {
 623         case WPAS_MODE_AP:
 624         case WPAS_MODE_P2P_GO:
 625         case WPAS_MODE_P2P_GROUP_FORMATION:
 626                 params.mode = IEEE80211_MODE_AP;
 627                 break;
 628         default:
 629                 return -1;
 630         }
 631         if (ssid->frequency == 0)
 632                 ssid->frequency = 2462; /* default channel 11 */
 633         params.freq.freq = ssid->frequency;
 634
 635         params.wpa_proto = ssid->proto;
 636         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 637                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 638         else
 639                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 640         params.key_mgmt_suite = wpa_s->key_mgmt;
 641
 642         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 643                                                           1);
 644         if (wpa_s->pairwise_cipher < 0) {
 645                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 646                            "cipher.");
 647                 return -1;
 648         }
 649         params.pairwise_suite = wpa_s->pairwise_cipher;
 650         params.group_suite = params.pairwise_suite;
 651
 652 #ifdef CONFIG_P2P
 653         if (ssid->mode == WPAS_MODE_P2P_GO ||
 654             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 655                 params.p2p = 1;
 656 #endif /* CONFIG_P2P */
 657
 658         if (wpa_s->p2pdev->set_ap_uapsd)
 659                 params.uapsd = wpa_s->p2pdev->ap_uapsd;
 660         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 661                 params.uapsd = 1; /* mandatory for P2P GO */
 662         else
 663                 params.uapsd = -1;
 664
 665         if (ieee80211_is_dfs(params.freq.freq))
 666                 params.freq.freq = 0; /* set channel after CAC */
 667
 668         if (params.p2p)
 669                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
 670         else
 671                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
 672
 673         if (wpa_drv_associate(wpa_s, &params) < 0) {
 674                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 675                 return -1;
 676         }
 677
 678         wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface();
 679         if (hapd_iface == NULL)
 680                 return -1;
 681         hapd_iface->owner = wpa_s;
 682         hapd_iface->drv_flags = wpa_s->drv_flags;
 683         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 684         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 685         hapd_iface->extended_capa = wpa_s->extended_capa;
 686         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 687         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 688
 689         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 690         if (conf == NULL) {
 691                 wpa_supplicant_ap_deinit(wpa_s);
 692                 return -1;
 693         }
 694
 695         /* Use the maximum oper channel width if it's given. */
 696         if (ssid->max_oper_chwidth)
 697                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
 698
 699         ieee80211_freq_to_chan(ssid->vht_center_freq2,
 700                                &conf->vht_oper_centr_freq_seg1_idx);
 701
 702         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 703                   wpa_s->conf->wmm_ac_params,
 704                   sizeof(wpa_s->conf->wmm_ac_params));
 705
 706         if (params.uapsd > 0) {
 707                 conf->bss[0]->wmm_enabled = 1;
 708                 conf->bss[0]->wmm_uapsd = 1;
 709         }
 710
 711         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 712                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 713                 wpa_supplicant_ap_deinit(wpa_s);
 714                 return -1;
 715         }
 716
 717 #ifdef CONFIG_P2P
 718         if (ssid->mode == WPAS_MODE_P2P_GO)
 719                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 720         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 721                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 722                         P2P_GROUP_FORMATION;
 723 #endif /* CONFIG_P2P */
 724
 725         hapd_iface->num_bss = conf->num_bss;
 726         hapd_iface->bss = os_calloc(conf->num_bss,
 727                                     sizeof(struct hostapd_data *));
 728         if (hapd_iface->bss == NULL) {
 729                 wpa_supplicant_ap_deinit(wpa_s);
 730                 return -1;
 731         }
 732
 733         for (i = 0; i < conf->num_bss; i++) {
 734                 hapd_iface->bss[i] =
 735                         hostapd_alloc_bss_data(hapd_iface, conf,
 736                                                conf->bss[i]);
 737                 if (hapd_iface->bss[i] == NULL) {
 738                         wpa_supplicant_ap_deinit(wpa_s);
 739                         return -1;
 740                 }
 741
 742                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 743                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
 744                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 745                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 746                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 747                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 748                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 749                                              ap_probe_req_rx, wpa_s);
 750                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 751                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 752                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 753                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 754                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 755                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 756 #ifdef CONFIG_P2P
 757                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 758                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 759                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 760                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 761                                                                     ssid);
 762 #endif /* CONFIG_P2P */
 763                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 764                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 765 #ifdef CONFIG_TESTING_OPTIONS
 766                 hapd_iface->bss[i]->ext_eapol_frame_io =
 767                         wpa_s->ext_eapol_frame_io;
 768 #endif /* CONFIG_TESTING_OPTIONS */
 769         }
 770
 771         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 772         hapd_iface->bss[0]->driver = wpa_s->driver;
 773         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 774
 775         wpa_s->current_ssid = ssid;
 776         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 777         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 778         wpa_s->assoc_freq = ssid->frequency;
 779
 780         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 781                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 782                 wpa_supplicant_ap_deinit(wpa_s);
 783                 return -1;
 784         }
 785
 786         return 0;
 787 }
 788
 789
 790 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 791 {
 792 #ifdef CONFIG_WPS
 793         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 794 #endif /* CONFIG_WPS */
 795
 796         if (wpa_s->ap_iface == NULL)
 797                 return;
 798
 799         wpa_s->current_ssid = NULL;
 800         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 801         wpa_s->assoc_freq = 0;
 802         wpas_p2p_ap_deinit(wpa_s);
 803         wpa_s->ap_iface->driver_ap_teardown =
 804                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 805
 806         hostapd_interface_deinit(wpa_s->ap_iface);
 807         hostapd_interface_free(wpa_s->ap_iface);
 808         wpa_s->ap_iface = NULL;
 809         wpa_drv_deinit_ap(wpa_s);
 810         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 811                 " reason=%d locally_generated=1",
 812                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 813 }
 814
 815
 816 void ap_tx_status(void *ctx, const u8 *addr,
 817                   const u8 *buf, size_t len, int ack)
 818 {
 819 #ifdef NEED_AP_MLME
 820         struct wpa_supplicant *wpa_s = ctx;
 821         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 822 #endif /* NEED_AP_MLME */
 823 }
 824
 825
 826 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 827                         const u8 *data, size_t len, int ack)
 828 {
 829 #ifdef NEED_AP_MLME
 830         struct wpa_supplicant *wpa_s = ctx;
 831         if (!wpa_s->ap_iface)
 832                 return;
 833         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 834 #endif /* NEED_AP_MLME */
 835 }
 836
 837
 838 void ap_client_poll_ok(void *ctx, const u8 *addr)
 839 {
 840 #ifdef NEED_AP_MLME
 841         struct wpa_supplicant *wpa_s = ctx;
 842         if (wpa_s->ap_iface)
 843                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 844 #endif /* NEED_AP_MLME */
 845 }
 846
 847
 848 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 849 {
 850 #ifdef NEED_AP_MLME
 851         struct wpa_supplicant *wpa_s = ctx;
 852         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 853 #endif /* NEED_AP_MLME */
 854 }
 855
 856
 857 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 858 {
 859 #ifdef NEED_AP_MLME
 860         struct wpa_supplicant *wpa_s = ctx;
 861         struct hostapd_frame_info fi;
 862         os_memset(&fi, 0, sizeof(fi));
 863         fi.datarate = rx_mgmt->datarate;
 864         fi.ssi_signal = rx_mgmt->ssi_signal;
 865         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 866                         rx_mgmt->frame_len, &fi);
 867 #endif /* NEED_AP_MLME */
 868 }
 869
 870
 871 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 872 {
 873 #ifdef NEED_AP_MLME
 874         struct wpa_supplicant *wpa_s = ctx;
 875         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 876 #endif /* NEED_AP_MLME */
 877 }
 878
 879
 880 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 881                                 const u8 *src_addr, const u8 *buf, size_t len)
 882 {
 883         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 884 }
 885
 886
 887 #ifdef CONFIG_WPS
 888
 889 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 890                               const u8 *p2p_dev_addr)
 891 {
 892         if (!wpa_s->ap_iface)
 893                 return -1;
 894         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 895                                          p2p_dev_addr);
 896 }
 897
 898
 899 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 900 {
 901         struct wps_registrar *reg;
 902         int reg_sel = 0, wps_sta = 0;
 903
 904         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 905                 return -1;
 906
 907         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 908         reg_sel = wps_registrar_wps_cancel(reg);
 909         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 910                                   ap_sta_wps_cancel, NULL);
 911
 912         if (!reg_sel && !wps_sta) {
 913                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 914                            "time");
 915                 return -1;
 916         }
 917
 918         /*
 919          * There are 2 cases to return wps cancel as success:
 920          * 1. When wps cancel was initiated but no connection has been
 921          *    established with client yet.
 922          * 2. Client is in the middle of exchanging WPS messages.
 923          */
 924
 925         return 0;
 926 }
 927
 928
 929 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 930                               const char *pin, char *buf, size_t buflen,
 931                               int timeout)
 932 {
 933         int ret, ret_len = 0;
 934
 935         if (!wpa_s->ap_iface)
 936                 return -1;
 937
 938         if (pin == NULL) {
 939                 unsigned int rpin;
 940
 941                 if (wps_generate_pin(&rpin) < 0)
 942                         return -1;
 943                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 944                 if (os_snprintf_error(buflen, ret_len))
 945                         return -1;
 946                 pin = buf;
 947         } else if (buf) {
 948                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 949                 if (os_snprintf_error(buflen, ret_len))
 950                         return -1;
 951         }
 952
 953         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 954                                   timeout);
 955         if (ret)
 956                 return -1;
 957         return ret_len;
 958 }
 959
 960
 961 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 962 {
 963         struct wpa_supplicant *wpa_s = eloop_data;
 964         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 965         wpas_wps_ap_pin_disable(wpa_s);
 966 }
 967
 968
 969 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 970 {
 971         struct hostapd_data *hapd;
 972
 973         if (wpa_s->ap_iface == NULL)
 974                 return;
 975         hapd = wpa_s->ap_iface->bss[0];
 976         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 977         hapd->ap_pin_failures = 0;
 978         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 979         if (timeout > 0)
 980                 eloop_register_timeout(timeout, 0,
 981                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 982 }
 983
 984
 985 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 986 {
 987         struct hostapd_data *hapd;
 988
 989         if (wpa_s->ap_iface == NULL)
 990                 return;
 991         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 992         hapd = wpa_s->ap_iface->bss[0];
 993         os_free(hapd->conf->ap_pin);
 994         hapd->conf->ap_pin = NULL;
 995         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 996 }
 997
 998
 999 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
1000 {
1001         struct hostapd_data *hapd;
1002         unsigned int pin;
1003         char pin_txt[9];
1004
1005         if (wpa_s->ap_iface == NULL)
1006                 return NULL;
1007         hapd = wpa_s->ap_iface->bss[0];
1008         if (wps_generate_pin(&pin) < 0)
1009                 return NULL;
1010         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1011         os_free(hapd->conf->ap_pin);
1012         hapd->conf->ap_pin = os_strdup(pin_txt);
1013         if (hapd->conf->ap_pin == NULL)
1014                 return NULL;
1015         wpas_wps_ap_pin_enable(wpa_s, timeout);
1016
1017         return hapd->conf->ap_pin;
1018 }
1019
1020
1021 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1022 {
1023         struct hostapd_data *hapd;
1024         if (wpa_s->ap_iface == NULL)
1025                 return NULL;
1026         hapd = wpa_s->ap_iface->bss[0];
1027         return hapd->conf->ap_pin;
1028 }
1029
1030
1031 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1032                         int timeout)
1033 {
1034         struct hostapd_data *hapd;
1035         char pin_txt[9];
1036         int ret;
1037
1038         if (wpa_s->ap_iface == NULL)
1039                 return -1;
1040         hapd = wpa_s->ap_iface->bss[0];
1041         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1042         if (os_snprintf_error(sizeof(pin_txt), ret))
1043                 return -1;
1044         os_free(hapd->conf->ap_pin);
1045         hapd->conf->ap_pin = os_strdup(pin_txt);
1046         if (hapd->conf->ap_pin == NULL)
1047                 return -1;
1048         wpas_wps_ap_pin_enable(wpa_s, timeout);
1049
1050         return 0;
1051 }
1052
1053
1054 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1055 {
1056         struct hostapd_data *hapd;
1057
1058         if (wpa_s->ap_iface == NULL)
1059                 return;
1060         hapd = wpa_s->ap_iface->bss[0];
1061
1062         /*
1063          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1064          * PIN if this happens multiple times to slow down brute force attacks.
1065          */
1066         hapd->ap_pin_failures++;
1067         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1068                    hapd->ap_pin_failures);
1069         if (hapd->ap_pin_failures < 3)
1070                 return;
1071
1072         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1073         hapd->ap_pin_failures = 0;
1074         os_free(hapd->conf->ap_pin);
1075         hapd->conf->ap_pin = NULL;
1076 }
1077
1078
1079 #ifdef CONFIG_WPS_NFC
1080
1081 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1082                                              int ndef)
1083 {
1084         struct hostapd_data *hapd;
1085
1086         if (wpa_s->ap_iface == NULL)
1087                 return NULL;
1088         hapd = wpa_s->ap_iface->bss[0];
1089         return hostapd_wps_nfc_config_token(hapd, ndef);
1090 }
1091
1092
1093 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1094                                              int ndef)
1095 {
1096         struct hostapd_data *hapd;
1097
1098         if (wpa_s->ap_iface == NULL)
1099                 return NULL;
1100         hapd = wpa_s->ap_iface->bss[0];
1101         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1102 }
1103
1104
1105 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1106                                     const struct wpabuf *req,
1107                                     const struct wpabuf *sel)
1108 {
1109         struct hostapd_data *hapd;
1110
1111         if (wpa_s->ap_iface == NULL)
1112                 return -1;
1113         hapd = wpa_s->ap_iface->bss[0];
1114         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1115 }
1116
1117 #endif /* CONFIG_WPS_NFC */
1118
1119 #endif /* CONFIG_WPS */
1120
1121
1122 #ifdef CONFIG_CTRL_IFACE
1123
1124 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1125                             char *buf, size_t buflen)
1126 {
1127         struct hostapd_data *hapd;
1128
1129         if (wpa_s->ap_iface)
1130                 hapd = wpa_s->ap_iface->bss[0];
1131         else if (wpa_s->ifmsh)
1132                 hapd = wpa_s->ifmsh->bss[0];
1133         else
1134                 return -1;
1135         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1136 }
1137
1138
1139 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1140                       char *buf, size_t buflen)
1141 {
1142         struct hostapd_data *hapd;
1143
1144         if (wpa_s->ap_iface)
1145                 hapd = wpa_s->ap_iface->bss[0];
1146         else if (wpa_s->ifmsh)
1147                 hapd = wpa_s->ifmsh->bss[0];
1148         else
1149                 return -1;
1150         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1151 }
1152
1153
1154 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1155                            char *buf, size_t buflen)
1156 {
1157         struct hostapd_data *hapd;
1158
1159         if (wpa_s->ap_iface)
1160                 hapd = wpa_s->ap_iface->bss[0];
1161         else if (wpa_s->ifmsh)
1162                 hapd = wpa_s->ifmsh->bss[0];
1163         else
1164                 return -1;
1165         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1166 }
1167
1168
1169 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1170                                    const char *txtaddr)
1171 {
1172         if (wpa_s->ap_iface == NULL)
1173                 return -1;
1174         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1175                                                txtaddr);
1176 }
1177
1178
1179 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1180                                      const char *txtaddr)
1181 {
1182         if (wpa_s->ap_iface == NULL)
1183                 return -1;
1184         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1185                                                  txtaddr);
1186 }
1187
1188
1189 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1190                                  size_t buflen, int verbose)
1191 {
1192         char *pos = buf, *end = buf + buflen;
1193         int ret;
1194         struct hostapd_bss_config *conf;
1195
1196         if (wpa_s->ap_iface == NULL)
1197                 return -1;
1198
1199         conf = wpa_s->ap_iface->bss[0]->conf;
1200         if (conf->wpa == 0)
1201                 return 0;
1202
1203         ret = os_snprintf(pos, end - pos,
1204                           "pairwise_cipher=%s\n"
1205                           "group_cipher=%s\n"
1206                           "key_mgmt=%s\n",
1207                           wpa_cipher_txt(conf->rsn_pairwise),
1208                           wpa_cipher_txt(conf->wpa_group),
1209                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1210                                            conf->wpa));
1211         if (os_snprintf_error(end - pos, ret))
1212                 return pos - buf;
1213         pos += ret;
1214         return pos - buf;
1215 }
1216
1217 #endif /* CONFIG_CTRL_IFACE */
1218
1219
1220 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1221 {
1222         struct hostapd_iface *iface = wpa_s->ap_iface;
1223         struct wpa_ssid *ssid = wpa_s->current_ssid;
1224         struct hostapd_data *hapd;
1225
1226         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1227             ssid->mode == WPAS_MODE_INFRA ||
1228             ssid->mode == WPAS_MODE_IBSS)
1229                 return -1;
1230
1231 #ifdef CONFIG_P2P
1232         if (ssid->mode == WPAS_MODE_P2P_GO)
1233                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1234         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1235                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1236                         P2P_GROUP_FORMATION;
1237 #endif /* CONFIG_P2P */
1238
1239         hapd = iface->bss[0];
1240         if (hapd->drv_priv == NULL)
1241                 return -1;
1242         ieee802_11_set_beacons(iface);
1243         hostapd_set_ap_wps_ie(hapd);
1244
1245         return 0;
1246 }
1247
1248
1249 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1250                       struct csa_settings *settings)
1251 {
1252 #ifdef NEED_AP_MLME
1253         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1254                 return -1;
1255
1256         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1257 #else /* NEED_AP_MLME */
1258         return -1;
1259 #endif /* NEED_AP_MLME */
1260 }
1261
1262
1263 #ifdef CONFIG_CTRL_IFACE
1264 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1265 {
1266         struct csa_settings settings;
1267         int ret = hostapd_parse_csa_settings(pos, &settings);
1268
1269         if (ret)
1270                 return ret;
1271
1272         return ap_switch_channel(wpa_s, &settings);
1273 }
1274 #endif /* CONFIG_CTRL_IFACE */
1275
1276
1277 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1278                        int offset, int width, int cf1, int cf2)
1279 {
1280         if (!wpa_s->ap_iface)
1281                 return;
1282
1283         wpa_s->assoc_freq = freq;
1284         if (wpa_s->current_ssid)
1285                 wpa_s->current_ssid->frequency = freq;
1286         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1287                                 offset, width, cf1, cf2);
1288 }
1289
1290
1291 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1292                                       const u8 *addr)
1293 {
1294         struct hostapd_data *hapd;
1295         struct hostapd_bss_config *conf;
1296
1297         if (!wpa_s->ap_iface)
1298                 return -1;
1299
1300         if (addr)
1301                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1302                            MAC2STR(addr));
1303         else
1304                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1305
1306         hapd = wpa_s->ap_iface->bss[0];
1307         conf = hapd->conf;
1308
1309         os_free(conf->accept_mac);
1310         conf->accept_mac = NULL;
1311         conf->num_accept_mac = 0;
1312         os_free(conf->deny_mac);
1313         conf->deny_mac = NULL;
1314         conf->num_deny_mac = 0;
1315
1316         if (addr == NULL) {
1317                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1318                 return 0;
1319         }
1320
1321         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1322         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1323         if (conf->accept_mac == NULL)
1324                 return -1;
1325         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1326         conf->num_accept_mac = 1;
1327
1328         return 0;
1329 }
1330
1331
1332 #ifdef CONFIG_WPS_NFC
1333 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1334                            const struct wpabuf *pw, const u8 *pubkey_hash)
1335 {
1336         struct hostapd_data *hapd;
1337         struct wps_context *wps;
1338
1339         if (!wpa_s->ap_iface)
1340                 return -1;
1341         hapd = wpa_s->ap_iface->bss[0];
1342         wps = hapd->wps;
1343
1344         if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1345             wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1346                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1347                 return -1;
1348         }
1349
1350         dh5_free(wps->dh_ctx);
1351         wpabuf_free(wps->dh_pubkey);
1352         wpabuf_free(wps->dh_privkey);
1353         wps->dh_privkey = wpabuf_dup(
1354                 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1355         wps->dh_pubkey = wpabuf_dup(
1356                 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1357         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1358                 wps->dh_ctx = NULL;
1359                 wpabuf_free(wps->dh_pubkey);
1360                 wps->dh_pubkey = NULL;
1361                 wpabuf_free(wps->dh_privkey);
1362                 wps->dh_privkey = NULL;
1363                 return -1;
1364         }
1365         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1366         if (wps->dh_ctx == NULL)
1367                 return -1;
1368
1369         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1370                                               pw_id,
1371                                               pw ? wpabuf_head(pw) : NULL,
1372                                               pw ? wpabuf_len(pw) : 0, 1);
1373 }
1374 #endif /* CONFIG_WPS_NFC */
1375
1376
1377 #ifdef CONFIG_CTRL_IFACE
1378 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1379 {
1380         struct hostapd_data *hapd;
1381
1382         if (!wpa_s->ap_iface)
1383                 return -1;
1384         hapd = wpa_s->ap_iface->bss[0];
1385         return hostapd_ctrl_iface_stop_ap(hapd);
1386 }
1387
1388
1389 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1390                              size_t len)
1391 {
1392         size_t reply_len = 0, i;
1393         char ap_delimiter[] = "---- AP ----\n";
1394         char mesh_delimiter[] = "---- mesh ----\n";
1395         size_t dlen;
1396
1397         if (wpa_s->ap_iface) {
1398                 dlen = os_strlen(ap_delimiter);
1399                 if (dlen > len - reply_len)
1400                         return reply_len;
1401                 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1402                 reply_len += dlen;
1403
1404                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1405                         reply_len += hostapd_ctrl_iface_pmksa_list(
1406                                 wpa_s->ap_iface->bss[i],
1407                                 &buf[reply_len], len - reply_len);
1408                 }
1409         }
1410
1411         if (wpa_s->ifmsh) {
1412                 dlen = os_strlen(mesh_delimiter);
1413                 if (dlen > len - reply_len)
1414                         return reply_len;
1415                 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1416                 reply_len += dlen;
1417
1418                 reply_len += hostapd_ctrl_iface_pmksa_list(
1419                         wpa_s->ifmsh->bss[0], &buf[reply_len],
1420                         len - reply_len);
1421         }
1422
1423         return reply_len;
1424 }
1425
1426
1427 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1428 {
1429         size_t i;
1430
1431         if (wpa_s->ap_iface) {
1432                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1433                         hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1434         }
1435
1436         if (wpa_s->ifmsh)
1437                 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1438 }
1439 #endif /* CONFIG_CTRL_IFACE */
1440
1441
1442 #ifdef NEED_AP_MLME
1443 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1444                                    struct dfs_event *radar)
1445 {
1446         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1447                 return;
1448         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1449         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1450                                    radar->ht_enabled, radar->chan_offset,
1451                                    radar->chan_width,
1452                                    radar->cf1, radar->cf2);
1453 }
1454
1455
1456 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1457                                 struct dfs_event *radar)
1458 {
1459         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1460                 return;
1461         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1462         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1463                               radar->ht_enabled, radar->chan_offset,
1464                               radar->chan_width, radar->cf1, radar->cf2);
1465 }
1466
1467
1468 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1469                                  struct dfs_event *radar)
1470 {
1471         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1472                 return;
1473         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1474         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1475                                  radar->ht_enabled, radar->chan_offset,
1476                                  radar->chan_width, radar->cf1, radar->cf2);
1477 }
1478
1479
1480 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1481                                 struct dfs_event *radar)
1482 {
1483         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1484                 return;
1485         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1486         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1487                                  radar->ht_enabled, radar->chan_offset,
1488                                  radar->chan_width, radar->cf1, radar->cf2);
1489 }
1490
1491
1492 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1493                                      struct dfs_event *radar)
1494 {
1495         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1496                 return;
1497         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1498         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1499                                  radar->ht_enabled, radar->chan_offset,
1500                                  radar->chan_width, radar->cf1, radar->cf2);
1501 }
1502 #endif /* NEED_AP_MLME */
1503
1504
1505 void ap_periodic(struct wpa_supplicant *wpa_s)
1506 {
1507         if (wpa_s->ap_iface)
1508                 hostapd_periodic_iface(wpa_s->ap_iface);
1509 }