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