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         return 0;
 472 }
 473
 474
 475 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 476 {
 477 #ifdef CONFIG_P2P
 478         struct wpa_supplicant *wpa_s = ctx;
 479         const struct ieee80211_mgmt *mgmt;
 480
 481         mgmt = (const struct ieee80211_mgmt *) buf;
 482         if (len < IEEE80211_HDRLEN + 1)
 483                 return;
 484         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 485                 return;
 486         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 487                            mgmt->u.action.category,
 488                            buf + IEEE80211_HDRLEN + 1,
 489                            len - IEEE80211_HDRLEN - 1, freq);
 490 #endif /* CONFIG_P2P */
 491 }
 492
 493
 494 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 495                             union wps_event_data *data)
 496 {
 497 #ifdef CONFIG_P2P
 498         struct wpa_supplicant *wpa_s = ctx;
 499
 500         if (event == WPS_EV_FAIL) {
 501                 struct wps_event_fail *fail = &data->fail;
 502
 503                 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
 504                     wpa_s == wpa_s->global->p2p_group_formation) {
 505                         /*
 506                          * src/ap/wps_hostapd.c has already sent this on the
 507                          * main interface, so only send on the parent interface
 508                          * here if needed.
 509                          */
 510                         wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
 511                                 "msg=%d config_error=%d",
 512                                 fail->msg, fail->config_error);
 513                 }
 514                 wpas_p2p_wps_failed(wpa_s, fail);
 515         }
 516 #endif /* CONFIG_P2P */
 517 }
 518
 519
 520 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 521                                  int authorized, const u8 *p2p_dev_addr)
 522 {
 523         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 524 }
 525
 526
 527 #ifdef CONFIG_P2P
 528 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 529                           const u8 *psk, size_t psk_len)
 530 {
 531
 532         struct wpa_supplicant *wpa_s = ctx;
 533         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 534                 return;
 535         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 536 }
 537 #endif /* CONFIG_P2P */
 538
 539
 540 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 541 {
 542 #ifdef CONFIG_P2P
 543         struct wpa_supplicant *wpa_s = ctx;
 544         const struct ieee80211_mgmt *mgmt;
 545
 546         mgmt = (const struct ieee80211_mgmt *) buf;
 547         if (len < IEEE80211_HDRLEN + 1)
 548                 return -1;
 549         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 550                            mgmt->u.action.category,
 551                            buf + IEEE80211_HDRLEN + 1,
 552                            len - IEEE80211_HDRLEN - 1, freq);
 553 #endif /* CONFIG_P2P */
 554         return 0;
 555 }
 556
 557
 558 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 559                            const u8 *bssid, const u8 *ie, size_t ie_len,
 560                            int ssi_signal)
 561 {
 562         struct wpa_supplicant *wpa_s = ctx;
 563         unsigned int freq = 0;
 564
 565         if (wpa_s->ap_iface)
 566                 freq = wpa_s->ap_iface->freq;
 567
 568         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 569                                      freq, ssi_signal);
 570 }
 571
 572
 573 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 574                                   const u8 *uuid_e)
 575 {
 576         struct wpa_supplicant *wpa_s = ctx;
 577         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 578 }
 579
 580
 581 static void wpas_ap_configured_cb(void *ctx)
 582 {
 583         struct wpa_supplicant *wpa_s = ctx;
 584
 585 #ifdef CONFIG_ACS
 586         if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
 587                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 588 #endif /* CONFIG_ACS */
 589
 590         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 591
 592         if (wpa_s->ap_configured_cb)
 593                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 594                                         wpa_s->ap_configured_cb_data);
 595 }
 596
 597
 598 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 599                              struct wpa_ssid *ssid)
 600 {
 601         struct wpa_driver_associate_params params;
 602         struct hostapd_iface *hapd_iface;
 603         struct hostapd_config *conf;
 604         size_t i;
 605
 606         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 607                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 608                 return -1;
 609         }
 610
 611         wpa_supplicant_ap_deinit(wpa_s);
 612
 613         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 614                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 615
 616         os_memset(&params, 0, sizeof(params));
 617         params.ssid = ssid->ssid;
 618         params.ssid_len = ssid->ssid_len;
 619         switch (ssid->mode) {
 620         case WPAS_MODE_AP:
 621         case WPAS_MODE_P2P_GO:
 622         case WPAS_MODE_P2P_GROUP_FORMATION:
 623                 params.mode = IEEE80211_MODE_AP;
 624                 break;
 625         default:
 626                 return -1;
 627         }
 628         if (ssid->frequency == 0)
 629                 ssid->frequency = 2462; /* default channel 11 */
 630         params.freq.freq = ssid->frequency;
 631
 632         params.wpa_proto = ssid->proto;
 633         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 634                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 635         else
 636                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 637         params.key_mgmt_suite = wpa_s->key_mgmt;
 638
 639         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 640                                                           1);
 641         if (wpa_s->pairwise_cipher < 0) {
 642                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 643                            "cipher.");
 644                 return -1;
 645         }
 646         params.pairwise_suite = wpa_s->pairwise_cipher;
 647         params.group_suite = params.pairwise_suite;
 648
 649 #ifdef CONFIG_P2P
 650         if (ssid->mode == WPAS_MODE_P2P_GO ||
 651             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 652                 params.p2p = 1;
 653 #endif /* CONFIG_P2P */
 654
 655         if (wpa_s->p2pdev->set_ap_uapsd)
 656                 params.uapsd = wpa_s->p2pdev->ap_uapsd;
 657         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 658                 params.uapsd = 1; /* mandatory for P2P GO */
 659         else
 660                 params.uapsd = -1;
 661
 662         if (ieee80211_is_dfs(params.freq.freq))
 663                 params.freq.freq = 0; /* set channel after CAC */
 664
 665         if (params.p2p)
 666                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
 667         else
 668                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
 669
 670         if (wpa_drv_associate(wpa_s, &params) < 0) {
 671                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 672                 return -1;
 673         }
 674
 675         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 676         if (hapd_iface == NULL)
 677                 return -1;
 678         hapd_iface->owner = wpa_s;
 679         hapd_iface->drv_flags = wpa_s->drv_flags;
 680         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 681         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 682         hapd_iface->extended_capa = wpa_s->extended_capa;
 683         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 684         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 685
 686         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 687         if (conf == NULL) {
 688                 wpa_supplicant_ap_deinit(wpa_s);
 689                 return -1;
 690         }
 691
 692         /* Use the maximum oper channel width if it's given. */
 693         if (ssid->max_oper_chwidth)
 694                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
 695
 696         ieee80211_freq_to_chan(ssid->vht_center_freq2,
 697                                &conf->vht_oper_centr_freq_seg1_idx);
 698
 699         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 700                   wpa_s->conf->wmm_ac_params,
 701                   sizeof(wpa_s->conf->wmm_ac_params));
 702
 703         if (params.uapsd > 0) {
 704                 conf->bss[0]->wmm_enabled = 1;
 705                 conf->bss[0]->wmm_uapsd = 1;
 706         }
 707
 708         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 709                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 710                 wpa_supplicant_ap_deinit(wpa_s);
 711                 return -1;
 712         }
 713
 714 #ifdef CONFIG_P2P
 715         if (ssid->mode == WPAS_MODE_P2P_GO)
 716                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 717         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 718                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 719                         P2P_GROUP_FORMATION;
 720 #endif /* CONFIG_P2P */
 721
 722         hapd_iface->num_bss = conf->num_bss;
 723         hapd_iface->bss = os_calloc(conf->num_bss,
 724                                     sizeof(struct hostapd_data *));
 725         if (hapd_iface->bss == NULL) {
 726                 wpa_supplicant_ap_deinit(wpa_s);
 727                 return -1;
 728         }
 729
 730         for (i = 0; i < conf->num_bss; i++) {
 731                 hapd_iface->bss[i] =
 732                         hostapd_alloc_bss_data(hapd_iface, conf,
 733                                                conf->bss[i]);
 734                 if (hapd_iface->bss[i] == NULL) {
 735                         wpa_supplicant_ap_deinit(wpa_s);
 736                         return -1;
 737                 }
 738
 739                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 740                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
 741                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 742                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 743                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 744                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 745                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 746                                              ap_probe_req_rx, wpa_s);
 747                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 748                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 749                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 750                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 751                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 752                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 753 #ifdef CONFIG_P2P
 754                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 755                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 756                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 757                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 758                                                                     ssid);
 759 #endif /* CONFIG_P2P */
 760                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 761                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 762 #ifdef CONFIG_TESTING_OPTIONS
 763                 hapd_iface->bss[i]->ext_eapol_frame_io =
 764                         wpa_s->ext_eapol_frame_io;
 765 #endif /* CONFIG_TESTING_OPTIONS */
 766         }
 767
 768         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 769         hapd_iface->bss[0]->driver = wpa_s->driver;
 770         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 771
 772         wpa_s->current_ssid = ssid;
 773         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 774         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 775         wpa_s->assoc_freq = ssid->frequency;
 776
 777         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 778                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 779                 wpa_supplicant_ap_deinit(wpa_s);
 780                 return -1;
 781         }
 782
 783         return 0;
 784 }
 785
 786
 787 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 788 {
 789 #ifdef CONFIG_WPS
 790         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 791 #endif /* CONFIG_WPS */
 792
 793         if (wpa_s->ap_iface == NULL)
 794                 return;
 795
 796         wpa_s->current_ssid = NULL;
 797         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 798         wpa_s->assoc_freq = 0;
 799         wpas_p2p_ap_deinit(wpa_s);
 800         wpa_s->ap_iface->driver_ap_teardown =
 801                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 802
 803         hostapd_interface_deinit(wpa_s->ap_iface);
 804         hostapd_interface_free(wpa_s->ap_iface);
 805         wpa_s->ap_iface = NULL;
 806         wpa_drv_deinit_ap(wpa_s);
 807         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 808                 " reason=%d locally_generated=1",
 809                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 810 }
 811
 812
 813 void ap_tx_status(void *ctx, const u8 *addr,
 814                   const u8 *buf, size_t len, int ack)
 815 {
 816 #ifdef NEED_AP_MLME
 817         struct wpa_supplicant *wpa_s = ctx;
 818         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 819 #endif /* NEED_AP_MLME */
 820 }
 821
 822
 823 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 824                         const u8 *data, size_t len, int ack)
 825 {
 826 #ifdef NEED_AP_MLME
 827         struct wpa_supplicant *wpa_s = ctx;
 828         if (!wpa_s->ap_iface)
 829                 return;
 830         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 831 #endif /* NEED_AP_MLME */
 832 }
 833
 834
 835 void ap_client_poll_ok(void *ctx, const u8 *addr)
 836 {
 837 #ifdef NEED_AP_MLME
 838         struct wpa_supplicant *wpa_s = ctx;
 839         if (wpa_s->ap_iface)
 840                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 841 #endif /* NEED_AP_MLME */
 842 }
 843
 844
 845 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 846 {
 847 #ifdef NEED_AP_MLME
 848         struct wpa_supplicant *wpa_s = ctx;
 849         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 850 #endif /* NEED_AP_MLME */
 851 }
 852
 853
 854 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 855 {
 856 #ifdef NEED_AP_MLME
 857         struct wpa_supplicant *wpa_s = ctx;
 858         struct hostapd_frame_info fi;
 859         os_memset(&fi, 0, sizeof(fi));
 860         fi.datarate = rx_mgmt->datarate;
 861         fi.ssi_signal = rx_mgmt->ssi_signal;
 862         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 863                         rx_mgmt->frame_len, &fi);
 864 #endif /* NEED_AP_MLME */
 865 }
 866
 867
 868 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 869 {
 870 #ifdef NEED_AP_MLME
 871         struct wpa_supplicant *wpa_s = ctx;
 872         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 873 #endif /* NEED_AP_MLME */
 874 }
 875
 876
 877 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 878                                 const u8 *src_addr, const u8 *buf, size_t len)
 879 {
 880         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 881 }
 882
 883
 884 #ifdef CONFIG_WPS
 885
 886 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 887                               const u8 *p2p_dev_addr)
 888 {
 889         if (!wpa_s->ap_iface)
 890                 return -1;
 891         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 892                                          p2p_dev_addr);
 893 }
 894
 895
 896 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 897 {
 898         struct wps_registrar *reg;
 899         int reg_sel = 0, wps_sta = 0;
 900
 901         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 902                 return -1;
 903
 904         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 905         reg_sel = wps_registrar_wps_cancel(reg);
 906         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 907                                   ap_sta_wps_cancel, NULL);
 908
 909         if (!reg_sel && !wps_sta) {
 910                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 911                            "time");
 912                 return -1;
 913         }
 914
 915         /*
 916          * There are 2 cases to return wps cancel as success:
 917          * 1. When wps cancel was initiated but no connection has been
 918          *    established with client yet.
 919          * 2. Client is in the middle of exchanging WPS messages.
 920          */
 921
 922         return 0;
 923 }
 924
 925
 926 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 927                               const char *pin, char *buf, size_t buflen,
 928                               int timeout)
 929 {
 930         int ret, ret_len = 0;
 931
 932         if (!wpa_s->ap_iface)
 933                 return -1;
 934
 935         if (pin == NULL) {
 936                 unsigned int rpin;
 937
 938                 if (wps_generate_pin(&rpin) < 0)
 939                         return -1;
 940                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 941                 if (os_snprintf_error(buflen, ret_len))
 942                         return -1;
 943                 pin = buf;
 944         } else if (buf) {
 945                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 946                 if (os_snprintf_error(buflen, ret_len))
 947                         return -1;
 948         }
 949
 950         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 951                                   timeout);
 952         if (ret)
 953                 return -1;
 954         return ret_len;
 955 }
 956
 957
 958 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 959 {
 960         struct wpa_supplicant *wpa_s = eloop_data;
 961         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 962         wpas_wps_ap_pin_disable(wpa_s);
 963 }
 964
 965
 966 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 967 {
 968         struct hostapd_data *hapd;
 969
 970         if (wpa_s->ap_iface == NULL)
 971                 return;
 972         hapd = wpa_s->ap_iface->bss[0];
 973         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 974         hapd->ap_pin_failures = 0;
 975         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 976         if (timeout > 0)
 977                 eloop_register_timeout(timeout, 0,
 978                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 979 }
 980
 981
 982 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 983 {
 984         struct hostapd_data *hapd;
 985
 986         if (wpa_s->ap_iface == NULL)
 987                 return;
 988         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 989         hapd = wpa_s->ap_iface->bss[0];
 990         os_free(hapd->conf->ap_pin);
 991         hapd->conf->ap_pin = NULL;
 992         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 993 }
 994
 995
 996 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 997 {
 998         struct hostapd_data *hapd;
 999         unsigned int pin;
1000         char pin_txt[9];
1001
1002         if (wpa_s->ap_iface == NULL)
1003                 return NULL;
1004         hapd = wpa_s->ap_iface->bss[0];
1005         if (wps_generate_pin(&pin) < 0)
1006                 return NULL;
1007         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1008         os_free(hapd->conf->ap_pin);
1009         hapd->conf->ap_pin = os_strdup(pin_txt);
1010         if (hapd->conf->ap_pin == NULL)
1011                 return NULL;
1012         wpas_wps_ap_pin_enable(wpa_s, timeout);
1013
1014         return hapd->conf->ap_pin;
1015 }
1016
1017
1018 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1019 {
1020         struct hostapd_data *hapd;
1021         if (wpa_s->ap_iface == NULL)
1022                 return NULL;
1023         hapd = wpa_s->ap_iface->bss[0];
1024         return hapd->conf->ap_pin;
1025 }
1026
1027
1028 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1029                         int timeout)
1030 {
1031         struct hostapd_data *hapd;
1032         char pin_txt[9];
1033         int ret;
1034
1035         if (wpa_s->ap_iface == NULL)
1036                 return -1;
1037         hapd = wpa_s->ap_iface->bss[0];
1038         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1039         if (os_snprintf_error(sizeof(pin_txt), ret))
1040                 return -1;
1041         os_free(hapd->conf->ap_pin);
1042         hapd->conf->ap_pin = os_strdup(pin_txt);
1043         if (hapd->conf->ap_pin == NULL)
1044                 return -1;
1045         wpas_wps_ap_pin_enable(wpa_s, timeout);
1046
1047         return 0;
1048 }
1049
1050
1051 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1052 {
1053         struct hostapd_data *hapd;
1054
1055         if (wpa_s->ap_iface == NULL)
1056                 return;
1057         hapd = wpa_s->ap_iface->bss[0];
1058
1059         /*
1060          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1061          * PIN if this happens multiple times to slow down brute force attacks.
1062          */
1063         hapd->ap_pin_failures++;
1064         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1065                    hapd->ap_pin_failures);
1066         if (hapd->ap_pin_failures < 3)
1067                 return;
1068
1069         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1070         hapd->ap_pin_failures = 0;
1071         os_free(hapd->conf->ap_pin);
1072         hapd->conf->ap_pin = NULL;
1073 }
1074
1075
1076 #ifdef CONFIG_WPS_NFC
1077
1078 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1079                                              int ndef)
1080 {
1081         struct hostapd_data *hapd;
1082
1083         if (wpa_s->ap_iface == NULL)
1084                 return NULL;
1085         hapd = wpa_s->ap_iface->bss[0];
1086         return hostapd_wps_nfc_config_token(hapd, ndef);
1087 }
1088
1089
1090 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1091                                              int ndef)
1092 {
1093         struct hostapd_data *hapd;
1094
1095         if (wpa_s->ap_iface == NULL)
1096                 return NULL;
1097         hapd = wpa_s->ap_iface->bss[0];
1098         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1099 }
1100
1101
1102 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1103                                     const struct wpabuf *req,
1104                                     const struct wpabuf *sel)
1105 {
1106         struct hostapd_data *hapd;
1107
1108         if (wpa_s->ap_iface == NULL)
1109                 return -1;
1110         hapd = wpa_s->ap_iface->bss[0];
1111         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1112 }
1113
1114 #endif /* CONFIG_WPS_NFC */
1115
1116 #endif /* CONFIG_WPS */
1117
1118
1119 #ifdef CONFIG_CTRL_IFACE
1120
1121 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1122                             char *buf, size_t buflen)
1123 {
1124         struct hostapd_data *hapd;
1125
1126         if (wpa_s->ap_iface)
1127                 hapd = wpa_s->ap_iface->bss[0];
1128         else if (wpa_s->ifmsh)
1129                 hapd = wpa_s->ifmsh->bss[0];
1130         else
1131                 return -1;
1132         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1133 }
1134
1135
1136 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1137                       char *buf, size_t buflen)
1138 {
1139         struct hostapd_data *hapd;
1140
1141         if (wpa_s->ap_iface)
1142                 hapd = wpa_s->ap_iface->bss[0];
1143         else if (wpa_s->ifmsh)
1144                 hapd = wpa_s->ifmsh->bss[0];
1145         else
1146                 return -1;
1147         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1148 }
1149
1150
1151 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1152                            char *buf, size_t buflen)
1153 {
1154         struct hostapd_data *hapd;
1155
1156         if (wpa_s->ap_iface)
1157                 hapd = wpa_s->ap_iface->bss[0];
1158         else if (wpa_s->ifmsh)
1159                 hapd = wpa_s->ifmsh->bss[0];
1160         else
1161                 return -1;
1162         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1163 }
1164
1165
1166 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1167                                    const char *txtaddr)
1168 {
1169         if (wpa_s->ap_iface == NULL)
1170                 return -1;
1171         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1172                                                txtaddr);
1173 }
1174
1175
1176 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1177                                      const char *txtaddr)
1178 {
1179         if (wpa_s->ap_iface == NULL)
1180                 return -1;
1181         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1182                                                  txtaddr);
1183 }
1184
1185
1186 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1187                                  size_t buflen, int verbose)
1188 {
1189         char *pos = buf, *end = buf + buflen;
1190         int ret;
1191         struct hostapd_bss_config *conf;
1192
1193         if (wpa_s->ap_iface == NULL)
1194                 return -1;
1195
1196         conf = wpa_s->ap_iface->bss[0]->conf;
1197         if (conf->wpa == 0)
1198                 return 0;
1199
1200         ret = os_snprintf(pos, end - pos,
1201                           "pairwise_cipher=%s\n"
1202                           "group_cipher=%s\n"
1203                           "key_mgmt=%s\n",
1204                           wpa_cipher_txt(conf->rsn_pairwise),
1205                           wpa_cipher_txt(conf->wpa_group),
1206                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1207                                            conf->wpa));
1208         if (os_snprintf_error(end - pos, ret))
1209                 return pos - buf;
1210         pos += ret;
1211         return pos - buf;
1212 }
1213
1214 #endif /* CONFIG_CTRL_IFACE */
1215
1216
1217 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1218 {
1219         struct hostapd_iface *iface = wpa_s->ap_iface;
1220         struct wpa_ssid *ssid = wpa_s->current_ssid;
1221         struct hostapd_data *hapd;
1222
1223         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1224             ssid->mode == WPAS_MODE_INFRA ||
1225             ssid->mode == WPAS_MODE_IBSS)
1226                 return -1;
1227
1228 #ifdef CONFIG_P2P
1229         if (ssid->mode == WPAS_MODE_P2P_GO)
1230                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1231         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1232                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1233                         P2P_GROUP_FORMATION;
1234 #endif /* CONFIG_P2P */
1235
1236         hapd = iface->bss[0];
1237         if (hapd->drv_priv == NULL)
1238                 return -1;
1239         ieee802_11_set_beacons(iface);
1240         hostapd_set_ap_wps_ie(hapd);
1241
1242         return 0;
1243 }
1244
1245
1246 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1247                       struct csa_settings *settings)
1248 {
1249 #ifdef NEED_AP_MLME
1250         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1251                 return -1;
1252
1253         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1254 #else /* NEED_AP_MLME */
1255         return -1;
1256 #endif /* NEED_AP_MLME */
1257 }
1258
1259
1260 #ifdef CONFIG_CTRL_IFACE
1261 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1262 {
1263         struct csa_settings settings;
1264         int ret = hostapd_parse_csa_settings(pos, &settings);
1265
1266         if (ret)
1267                 return ret;
1268
1269         return ap_switch_channel(wpa_s, &settings);
1270 }
1271 #endif /* CONFIG_CTRL_IFACE */
1272
1273
1274 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1275                        int offset, int width, int cf1, int cf2)
1276 {
1277         if (!wpa_s->ap_iface)
1278                 return;
1279
1280         wpa_s->assoc_freq = freq;
1281         if (wpa_s->current_ssid)
1282                 wpa_s->current_ssid->frequency = freq;
1283         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1284                                 offset, width, cf1, cf2);
1285 }
1286
1287
1288 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1289                                       const u8 *addr)
1290 {
1291         struct hostapd_data *hapd;
1292         struct hostapd_bss_config *conf;
1293
1294         if (!wpa_s->ap_iface)
1295                 return -1;
1296
1297         if (addr)
1298                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1299                            MAC2STR(addr));
1300         else
1301                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1302
1303         hapd = wpa_s->ap_iface->bss[0];
1304         conf = hapd->conf;
1305
1306         os_free(conf->accept_mac);
1307         conf->accept_mac = NULL;
1308         conf->num_accept_mac = 0;
1309         os_free(conf->deny_mac);
1310         conf->deny_mac = NULL;
1311         conf->num_deny_mac = 0;
1312
1313         if (addr == NULL) {
1314                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1315                 return 0;
1316         }
1317
1318         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1319         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1320         if (conf->accept_mac == NULL)
1321                 return -1;
1322         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1323         conf->num_accept_mac = 1;
1324
1325         return 0;
1326 }
1327
1328
1329 #ifdef CONFIG_WPS_NFC
1330 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1331                            const struct wpabuf *pw, const u8 *pubkey_hash)
1332 {
1333         struct hostapd_data *hapd;
1334         struct wps_context *wps;
1335
1336         if (!wpa_s->ap_iface)
1337                 return -1;
1338         hapd = wpa_s->ap_iface->bss[0];
1339         wps = hapd->wps;
1340
1341         if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1342             wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1343                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1344                 return -1;
1345         }
1346
1347         dh5_free(wps->dh_ctx);
1348         wpabuf_free(wps->dh_pubkey);
1349         wpabuf_free(wps->dh_privkey);
1350         wps->dh_privkey = wpabuf_dup(
1351                 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1352         wps->dh_pubkey = wpabuf_dup(
1353                 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1354         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1355                 wps->dh_ctx = NULL;
1356                 wpabuf_free(wps->dh_pubkey);
1357                 wps->dh_pubkey = NULL;
1358                 wpabuf_free(wps->dh_privkey);
1359                 wps->dh_privkey = NULL;
1360                 return -1;
1361         }
1362         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1363         if (wps->dh_ctx == NULL)
1364                 return -1;
1365
1366         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1367                                               pw_id,
1368                                               pw ? wpabuf_head(pw) : NULL,
1369                                               pw ? wpabuf_len(pw) : 0, 1);
1370 }
1371 #endif /* CONFIG_WPS_NFC */
1372
1373
1374 #ifdef CONFIG_CTRL_IFACE
1375 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1376 {
1377         struct hostapd_data *hapd;
1378
1379         if (!wpa_s->ap_iface)
1380                 return -1;
1381         hapd = wpa_s->ap_iface->bss[0];
1382         return hostapd_ctrl_iface_stop_ap(hapd);
1383 }
1384
1385
1386 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1387                              size_t len)
1388 {
1389         size_t reply_len = 0, i;
1390         char ap_delimiter[] = "---- AP ----\n";
1391         char mesh_delimiter[] = "---- mesh ----\n";
1392         size_t dlen;
1393
1394         if (wpa_s->ap_iface) {
1395                 dlen = os_strlen(ap_delimiter);
1396                 if (dlen > len - reply_len)
1397                         return reply_len;
1398                 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1399                 reply_len += dlen;
1400
1401                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1402                         reply_len += hostapd_ctrl_iface_pmksa_list(
1403                                 wpa_s->ap_iface->bss[i],
1404                                 &buf[reply_len], len - reply_len);
1405                 }
1406         }
1407
1408         if (wpa_s->ifmsh) {
1409                 dlen = os_strlen(mesh_delimiter);
1410                 if (dlen > len - reply_len)
1411                         return reply_len;
1412                 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1413                 reply_len += dlen;
1414
1415                 reply_len += hostapd_ctrl_iface_pmksa_list(
1416                         wpa_s->ifmsh->bss[0], &buf[reply_len],
1417                         len - reply_len);
1418         }
1419
1420         return reply_len;
1421 }
1422
1423
1424 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1425 {
1426         size_t i;
1427
1428         if (wpa_s->ap_iface) {
1429                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1430                         hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1431         }
1432
1433         if (wpa_s->ifmsh)
1434                 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1435 }
1436 #endif /* CONFIG_CTRL_IFACE */
1437
1438
1439 #ifdef NEED_AP_MLME
1440 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1441                                    struct dfs_event *radar)
1442 {
1443         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1444                 return;
1445         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1446         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1447                                    radar->ht_enabled, radar->chan_offset,
1448                                    radar->chan_width,
1449                                    radar->cf1, radar->cf2);
1450 }
1451
1452
1453 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1454                                 struct dfs_event *radar)
1455 {
1456         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1457                 return;
1458         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1459         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1460                               radar->ht_enabled, radar->chan_offset,
1461                               radar->chan_width, radar->cf1, radar->cf2);
1462 }
1463
1464
1465 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1466                                  struct dfs_event *radar)
1467 {
1468         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1469                 return;
1470         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1471         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1472                                  radar->ht_enabled, radar->chan_offset,
1473                                  radar->chan_width, radar->cf1, radar->cf2);
1474 }
1475
1476
1477 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1478                                 struct dfs_event *radar)
1479 {
1480         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1481                 return;
1482         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1483         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1484                                  radar->ht_enabled, radar->chan_offset,
1485                                  radar->chan_width, radar->cf1, radar->cf2);
1486 }
1487
1488
1489 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1490                                      struct dfs_event *radar)
1491 {
1492         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1493                 return;
1494         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1495         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1496                                  radar->ht_enabled, radar->chan_offset,
1497                                  radar->chan_width, radar->cf1, radar->cf2);
1498 }
1499 #endif /* NEED_AP_MLME */
1500
1501
1502 void ap_periodic(struct wpa_supplicant *wpa_s)
1503 {
1504         if (wpa_s->ap_iface)
1505                 hostapd_periodic_iface(wpa_s->ap_iface);
1506 }