contrib/wpa/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 wpa_ssid *ssid,
  50                              struct hostapd_config *conf,
  51                              struct hostapd_hw_modes *mode)
  52 {
  53 #ifdef CONFIG_P2P
  54         u8 center_chan = 0;
  55         u8 channel = conf->channel;
  56 #endif /* CONFIG_P2P */
  57
  58         if (!conf->secondary_channel)
  59                 goto no_vht;
  60
  61         /* Use the maximum oper channel width if it's given. */
  62         if (ssid->max_oper_chwidth)
  63                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
  64
  65         ieee80211_freq_to_chan(ssid->vht_center_freq2,
  66                                &conf->vht_oper_centr_freq_seg1_idx);
  67
  68         if (!ssid->p2p_group) {
  69                 if (!ssid->vht_center_freq1 ||
  70                     conf->vht_oper_chwidth == VHT_CHANWIDTH_USE_HT)
  71                         goto no_vht;
  72                 ieee80211_freq_to_chan(ssid->vht_center_freq1,
  73                                        &conf->vht_oper_centr_freq_seg0_idx);
  74                 wpa_printf(MSG_DEBUG, "VHT seg0 index %d for AP",
  75                            conf->vht_oper_centr_freq_seg0_idx);
  76                 return;
  77         }
  78
  79 #ifdef CONFIG_P2P
  80         switch (conf->vht_oper_chwidth) {
  81         case VHT_CHANWIDTH_80MHZ:
  82         case VHT_CHANWIDTH_80P80MHZ:
  83                 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  84                 wpa_printf(MSG_DEBUG,
  85                            "VHT center channel %u for 80 or 80+80 MHz bandwidth",
  86                            center_chan);
  87                 break;
  88         case VHT_CHANWIDTH_160MHZ:
  89                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
  90                 wpa_printf(MSG_DEBUG,
  91                            "VHT center channel %u for 160 MHz bandwidth",
  92                            center_chan);
  93                 break;
  94         default:
  95                 /*
  96                  * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
  97                  * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
  98                  * not supported.
  99                  */
 100                 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
 101                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
 102                 if (center_chan) {
 103                         wpa_printf(MSG_DEBUG,
 104                                    "VHT center channel %u for auto-selected 160 MHz bandwidth",
 105                                    center_chan);
 106                 } else {
 107                         conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
 108                         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
 109                                                                 channel);
 110                         wpa_printf(MSG_DEBUG,
 111                                    "VHT center channel %u for auto-selected 80 MHz bandwidth",
 112                                    center_chan);
 113                 }
 114                 break;
 115         }
 116         if (!center_chan)
 117                 goto no_vht;
 118
 119         conf->vht_oper_centr_freq_seg0_idx = center_chan;
 120         wpa_printf(MSG_DEBUG, "VHT seg0 index %d for P2P GO",
 121                    conf->vht_oper_centr_freq_seg0_idx);
 122         return;
 123 #endif /* CONFIG_P2P */
 124
 125 no_vht:
 126         wpa_printf(MSG_DEBUG,
 127                    "No VHT higher bandwidth support for the selected channel %d",
 128                    conf->channel);
 129         conf->vht_oper_centr_freq_seg0_idx =
 130                 conf->channel + conf->secondary_channel * 2;
 131         conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
 132 }
 133 #endif /* CONFIG_IEEE80211N */
 134
 135
 136 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 137                               struct wpa_ssid *ssid,
 138                               struct hostapd_config *conf)
 139 {
 140         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 141                                                &conf->channel);
 142
 143         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 144                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 145                            ssid->frequency);
 146                 return -1;
 147         }
 148
 149         /* TODO: enable HT40 if driver supports it;
 150          * drop to 11b if driver does not support 11g */
 151
 152 #ifdef CONFIG_IEEE80211N
 153         /*
 154          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
 155          * and a mask of allowed capabilities within conf->ht_capab.
 156          * Using default config settings for: conf->ht_op_mode_fixed,
 157          * conf->secondary_channel, conf->require_ht
 158          */
 159         if (wpa_s->hw.modes) {
 160                 struct hostapd_hw_modes *mode = NULL;
 161                 int i, no_ht = 0;
 162
 163                 wpa_printf(MSG_DEBUG,
 164                            "Determining HT/VHT options based on driver capabilities (freq=%u chan=%u)",
 165                            ssid->frequency, conf->channel);
 166
 167                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 168                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 169                                 mode = &wpa_s->hw.modes[i];
 170                                 break;
 171                         }
 172                 }
 173
 174 #ifdef CONFIG_HT_OVERRIDES
 175                 if (ssid->disable_ht)
 176                         ssid->ht = 0;
 177 #endif /* CONFIG_HT_OVERRIDES */
 178
 179                 if (!ssid->ht) {
 180                         wpa_printf(MSG_DEBUG,
 181                                    "HT not enabled in network profile");
 182                         conf->ieee80211n = 0;
 183                         conf->ht_capab = 0;
 184                         no_ht = 1;
 185                 }
 186
 187                 if (!no_ht && mode && mode->ht_capab) {
 188                         wpa_printf(MSG_DEBUG,
 189                                    "Enable HT support (p2p_group=%d 11a=%d ht40_hw_capab=%d ssid->ht40=%d)",
 190                                    ssid->p2p_group,
 191                                    conf->hw_mode == HOSTAPD_MODE_IEEE80211A,
 192                                    !!(mode->ht_capab &
 193                                       HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET),
 194                                    ssid->ht40);
 195                         conf->ieee80211n = 1;
 196 #ifdef CONFIG_P2P
 197                         if (ssid->p2p_group &&
 198                             conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 199                             (mode->ht_capab &
 200                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 201                             ssid->ht40) {
 202                                 conf->secondary_channel =
 203                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 204                                                                conf->channel);
 205                                 wpa_printf(MSG_DEBUG,
 206                                            "HT secondary channel offset %d for P2P group",
 207                                            conf->secondary_channel);
 208                         }
 209 #endif /* CONFIG_P2P */
 210
 211                         if (!ssid->p2p_group &&
 212                             (mode->ht_capab &
 213                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
 214                                 conf->secondary_channel = ssid->ht40;
 215                                 wpa_printf(MSG_DEBUG,
 216                                            "HT secondary channel offset %d for AP",
 217                                            conf->secondary_channel);
 218                         }
 219
 220                         if (conf->secondary_channel)
 221                                 conf->ht_capab |=
 222                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 223
 224                         /*
 225                          * white-list capabilities that won't cause issues
 226                          * to connecting stations, while leaving the current
 227                          * capabilities intact (currently disabled SMPS).
 228                          */
 229                         conf->ht_capab |= mode->ht_capab &
 230                                 (HT_CAP_INFO_GREEN_FIELD |
 231                                  HT_CAP_INFO_SHORT_GI20MHZ |
 232                                  HT_CAP_INFO_SHORT_GI40MHZ |
 233                                  HT_CAP_INFO_RX_STBC_MASK |
 234                                  HT_CAP_INFO_TX_STBC |
 235                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 236
 237                         if (mode->vht_capab && ssid->vht) {
 238                                 conf->ieee80211ac = 1;
 239                                 conf->vht_capab |= mode->vht_capab;
 240                                 wpas_conf_ap_vht(wpa_s, ssid, conf, mode);
 241                         }
 242                 }
 243         }
 244
 245         if (conf->secondary_channel) {
 246                 struct wpa_supplicant *iface;
 247
 248                 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
 249                 {
 250                         if (iface == wpa_s ||
 251                             iface->wpa_state < WPA_AUTHENTICATING ||
 252                             (int) iface->assoc_freq != ssid->frequency)
 253                                 continue;
 254
 255                         /*
 256                          * Do not allow 40 MHz co-ex PRI/SEC switch to force us
 257                          * to change our PRI channel since we have an existing,
 258                          * concurrent connection on that channel and doing
 259                          * multi-channel concurrency is likely to cause more
 260                          * harm than using different PRI/SEC selection in
 261                          * environment with multiple BSSes on these two channels
 262                          * with mixed 20 MHz or PRI channel selection.
 263                          */
 264                         conf->no_pri_sec_switch = 1;
 265                 }
 266         }
 267 #endif /* CONFIG_IEEE80211N */
 268
 269         return 0;
 270 }
 271
 272
 273 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 274                                   struct wpa_ssid *ssid,
 275                                   struct hostapd_config *conf)
 276 {
 277         struct hostapd_bss_config *bss = conf->bss[0];
 278
 279         conf->driver = wpa_s->driver;
 280
 281         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 282
 283         if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
 284                 return -1;
 285
 286         if (ssid->pbss > 1) {
 287                 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
 288                            ssid->pbss);
 289                 return -1;
 290         }
 291         bss->pbss = ssid->pbss;
 292
 293 #ifdef CONFIG_ACS
 294         if (ssid->acs) {
 295                 /* Setting channel to 0 in order to enable ACS */
 296                 conf->channel = 0;
 297                 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
 298         }
 299 #endif /* CONFIG_ACS */
 300
 301         if (ieee80211_is_dfs(ssid->frequency, wpa_s->hw.modes,
 302                              wpa_s->hw.num_modes) && wpa_s->conf->country[0]) {
 303                 conf->ieee80211h = 1;
 304                 conf->ieee80211d = 1;
 305                 conf->country[0] = wpa_s->conf->country[0];
 306                 conf->country[1] = wpa_s->conf->country[1];
 307                 conf->country[2] = ' ';
 308         }
 309
 310 #ifdef CONFIG_P2P
 311         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 312             (ssid->mode == WPAS_MODE_P2P_GO ||
 313              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 314                 /* Remove 802.11b rates from supported and basic rate sets */
 315                 int *list = os_malloc(4 * sizeof(int));
 316                 if (list) {
 317                         list[0] = 60;
 318                         list[1] = 120;
 319                         list[2] = 240;
 320                         list[3] = -1;
 321                 }
 322                 conf->basic_rates = list;
 323
 324                 list = os_malloc(9 * sizeof(int));
 325                 if (list) {
 326                         list[0] = 60;
 327                         list[1] = 90;
 328                         list[2] = 120;
 329                         list[3] = 180;
 330                         list[4] = 240;
 331                         list[5] = 360;
 332                         list[6] = 480;
 333                         list[7] = 540;
 334                         list[8] = -1;
 335                 }
 336                 conf->supported_rates = list;
 337         }
 338
 339 #ifdef CONFIG_IEEE80211AX
 340         if (ssid->mode == WPAS_MODE_P2P_GO ||
 341             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 342                 conf->ieee80211ax = ssid->he;
 343 #endif /* CONFIG_IEEE80211AX */
 344
 345         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 346         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 347
 348         if (ssid->p2p_group) {
 349                 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
 350                 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
 351                           4);
 352                 os_memcpy(bss->ip_addr_start,
 353                           wpa_s->p2pdev->conf->ip_addr_start, 4);
 354                 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
 355                           4);
 356         }
 357 #endif /* CONFIG_P2P */
 358
 359         if (ssid->ssid_len == 0) {
 360                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 361                 return -1;
 362         }
 363         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 364         bss->ssid.ssid_len = ssid->ssid_len;
 365         bss->ssid.ssid_set = 1;
 366
 367         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 368
 369         if (ssid->auth_alg)
 370                 bss->auth_algs = ssid->auth_alg;
 371
 372         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 373                 bss->wpa = ssid->proto;
 374         if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
 375                 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
 376         else
 377                 bss->wpa_key_mgmt = ssid->key_mgmt;
 378         bss->wpa_pairwise = ssid->pairwise_cipher;
 379         if (ssid->psk_set) {
 380                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 381                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 382                 if (bss->ssid.wpa_psk == NULL)
 383                         return -1;
 384                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 385                 bss->ssid.wpa_psk->group = 1;
 386                 bss->ssid.wpa_psk_set = 1;
 387         } else if (ssid->passphrase) {
 388                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 389         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 390                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 391                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 392                 int i;
 393                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 394                         if (ssid->wep_key_len[i] == 0)
 395                                 continue;
 396                         wep->key[i] = os_memdup(ssid->wep_key[i],
 397                                                 ssid->wep_key_len[i]);
 398                         if (wep->key[i] == NULL)
 399                                 return -1;
 400                         wep->len[i] = ssid->wep_key_len[i];
 401                 }
 402                 wep->idx = ssid->wep_tx_keyidx;
 403                 wep->keys_set = 1;
 404         }
 405
 406         if (wpa_s->conf->go_interworking) {
 407                 wpa_printf(MSG_DEBUG,
 408                            "P2P: Enable Interworking with access_network_type: %d",
 409                            wpa_s->conf->go_access_network_type);
 410                 bss->interworking = wpa_s->conf->go_interworking;
 411                 bss->access_network_type = wpa_s->conf->go_access_network_type;
 412                 bss->internet = wpa_s->conf->go_internet;
 413                 if (wpa_s->conf->go_venue_group) {
 414                         wpa_printf(MSG_DEBUG,
 415                                    "P2P: Venue group: %d  Venue type: %d",
 416                                    wpa_s->conf->go_venue_group,
 417                                    wpa_s->conf->go_venue_type);
 418                         bss->venue_group = wpa_s->conf->go_venue_group;
 419                         bss->venue_type = wpa_s->conf->go_venue_type;
 420                         bss->venue_info_set = 1;
 421                 }
 422         }
 423
 424         if (ssid->ap_max_inactivity)
 425                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 426
 427         if (ssid->dtim_period)
 428                 bss->dtim_period = ssid->dtim_period;
 429         else if (wpa_s->conf->dtim_period)
 430                 bss->dtim_period = wpa_s->conf->dtim_period;
 431
 432         if (ssid->beacon_int)
 433                 conf->beacon_int = ssid->beacon_int;
 434         else if (wpa_s->conf->beacon_int)
 435                 conf->beacon_int = wpa_s->conf->beacon_int;
 436
 437 #ifdef CONFIG_P2P
 438         if (ssid->mode == WPAS_MODE_P2P_GO ||
 439             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 440                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 441                         wpa_printf(MSG_INFO,
 442                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 443                                    wpa_s->conf->p2p_go_ctwindow,
 444                                    conf->beacon_int);
 445                         conf->p2p_go_ctwindow = 0;
 446                 } else {
 447                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 448                 }
 449         }
 450 #endif /* CONFIG_P2P */
 451
 452         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 453                 bss->rsn_pairwise = bss->wpa_pairwise;
 454         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 455                                                     bss->rsn_pairwise);
 456
 457         if (bss->wpa && bss->ieee802_1x)
 458                 bss->ssid.security_policy = SECURITY_WPA;
 459         else if (bss->wpa)
 460                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 461         else if (bss->ieee802_1x) {
 462                 int cipher = WPA_CIPHER_NONE;
 463                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 464                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 465                 if (bss->default_wep_key_len)
 466                         cipher = bss->default_wep_key_len >= 13 ?
 467                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 468                 bss->wpa_group = cipher;
 469                 bss->wpa_pairwise = cipher;
 470                 bss->rsn_pairwise = cipher;
 471         } else if (bss->ssid.wep.keys_set) {
 472                 int cipher = WPA_CIPHER_WEP40;
 473                 if (bss->ssid.wep.len[0] >= 13)
 474                         cipher = WPA_CIPHER_WEP104;
 475                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 476                 bss->wpa_group = cipher;
 477                 bss->wpa_pairwise = cipher;
 478                 bss->rsn_pairwise = cipher;
 479         } else {
 480                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 481                 bss->wpa_group = WPA_CIPHER_NONE;
 482                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 483                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 484         }
 485
 486         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 487             (bss->wpa_group == WPA_CIPHER_CCMP ||
 488              bss->wpa_group == WPA_CIPHER_GCMP ||
 489              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 490              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 491                 /*
 492                  * Strong ciphers do not need frequent rekeying, so increase
 493                  * the default GTK rekeying period to 24 hours.
 494                  */
 495                 bss->wpa_group_rekey = 86400;
 496         }
 497
 498 #ifdef CONFIG_IEEE80211W
 499         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 500                 bss->ieee80211w = ssid->ieee80211w;
 501 #endif /* CONFIG_IEEE80211W */
 502
 503 #ifdef CONFIG_OCV
 504         bss->ocv = ssid->ocv;
 505 #endif /* CONFIG_OCV */
 506
 507 #ifdef CONFIG_WPS
 508         /*
 509          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 510          * require user interaction to actually use it. Only the internal
 511          * Registrar is supported.
 512          */
 513         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 514             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 515                 goto no_wps;
 516         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 517             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 518              !(bss->wpa & 2)))
 519                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 520                               * configuration */
 521         if (ssid->wps_disabled)
 522                 goto no_wps;
 523         bss->eap_server = 1;
 524
 525         if (!ssid->ignore_broadcast_ssid)
 526                 bss->wps_state = 2;
 527
 528         bss->ap_setup_locked = 2;
 529         if (wpa_s->conf->config_methods)
 530                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 531         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 532                   WPS_DEV_TYPE_LEN);
 533         if (wpa_s->conf->device_name) {
 534                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 535                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 536         }
 537         if (wpa_s->conf->manufacturer)
 538                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 539         if (wpa_s->conf->model_name)
 540                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 541         if (wpa_s->conf->model_number)
 542                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 543         if (wpa_s->conf->serial_number)
 544                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 545         if (is_nil_uuid(wpa_s->conf->uuid))
 546                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 547         else
 548                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 549         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 550         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 551         if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
 552                 bss->fragment_size = ssid->eap.fragment_size;
 553 no_wps:
 554 #endif /* CONFIG_WPS */
 555
 556         if (wpa_s->max_stations &&
 557             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 558                 bss->max_num_sta = wpa_s->max_stations;
 559         else
 560                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 561
 562         if (!bss->isolate)
 563                 bss->isolate = wpa_s->conf->ap_isolate;
 564
 565         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 566
 567         if (wpa_s->conf->ap_vendor_elements) {
 568                 bss->vendor_elements =
 569                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 570         }
 571
 572         bss->ftm_responder = wpa_s->conf->ftm_responder;
 573         bss->ftm_initiator = wpa_s->conf->ftm_initiator;
 574
 575         return 0;
 576 }
 577
 578
 579 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 580 {
 581 #ifdef CONFIG_P2P
 582         struct wpa_supplicant *wpa_s = ctx;
 583         const struct ieee80211_mgmt *mgmt;
 584
 585         mgmt = (const struct ieee80211_mgmt *) buf;
 586         if (len < IEEE80211_HDRLEN + 1)
 587                 return;
 588         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 589                 return;
 590         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 591                            mgmt->u.action.category,
 592                            buf + IEEE80211_HDRLEN + 1,
 593                            len - IEEE80211_HDRLEN - 1, freq);
 594 #endif /* CONFIG_P2P */
 595 }
 596
 597
 598 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 599                             union wps_event_data *data)
 600 {
 601 #ifdef CONFIG_P2P
 602         struct wpa_supplicant *wpa_s = ctx;
 603
 604         if (event == WPS_EV_FAIL) {
 605                 struct wps_event_fail *fail = &data->fail;
 606
 607                 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
 608                     wpa_s == wpa_s->global->p2p_group_formation) {
 609                         /*
 610                          * src/ap/wps_hostapd.c has already sent this on the
 611                          * main interface, so only send on the parent interface
 612                          * here if needed.
 613                          */
 614                         wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
 615                                 "msg=%d config_error=%d",
 616                                 fail->msg, fail->config_error);
 617                 }
 618                 wpas_p2p_wps_failed(wpa_s, fail);
 619         }
 620 #endif /* CONFIG_P2P */
 621 }
 622
 623
 624 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 625                                  int authorized, const u8 *p2p_dev_addr)
 626 {
 627         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 628 }
 629
 630
 631 #ifdef CONFIG_P2P
 632 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 633                           const u8 *psk, size_t psk_len)
 634 {
 635
 636         struct wpa_supplicant *wpa_s = ctx;
 637         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 638                 return;
 639         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 640 }
 641 #endif /* CONFIG_P2P */
 642
 643
 644 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 645 {
 646 #ifdef CONFIG_P2P
 647         struct wpa_supplicant *wpa_s = ctx;
 648         const struct ieee80211_mgmt *mgmt;
 649
 650         mgmt = (const struct ieee80211_mgmt *) buf;
 651         if (len < IEEE80211_HDRLEN + 1)
 652                 return -1;
 653         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 654                            mgmt->u.action.category,
 655                            buf + IEEE80211_HDRLEN + 1,
 656                            len - IEEE80211_HDRLEN - 1, freq);
 657 #endif /* CONFIG_P2P */
 658         return 0;
 659 }
 660
 661
 662 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 663                            const u8 *bssid, const u8 *ie, size_t ie_len,
 664                            int ssi_signal)
 665 {
 666         struct wpa_supplicant *wpa_s = ctx;
 667         unsigned int freq = 0;
 668
 669         if (wpa_s->ap_iface)
 670                 freq = wpa_s->ap_iface->freq;
 671
 672         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 673                                      freq, ssi_signal);
 674 }
 675
 676
 677 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 678                                   const u8 *uuid_e)
 679 {
 680         struct wpa_supplicant *wpa_s = ctx;
 681         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 682 }
 683
 684
 685 static void wpas_ap_configured_cb(void *ctx)
 686 {
 687         struct wpa_supplicant *wpa_s = ctx;
 688
 689         wpa_printf(MSG_DEBUG, "AP interface setup completed - state %s",
 690                    hostapd_state_text(wpa_s->ap_iface->state));
 691         if (wpa_s->ap_iface->state == HAPD_IFACE_DISABLED) {
 692                 wpa_supplicant_ap_deinit(wpa_s);
 693                 return;
 694         }
 695
 696 #ifdef CONFIG_ACS
 697         if (wpa_s->current_ssid && wpa_s->current_ssid->acs) {
 698                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 699                 wpa_s->current_ssid->frequency = wpa_s->ap_iface->freq;
 700         }
 701 #endif /* CONFIG_ACS */
 702
 703         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 704
 705         if (wpa_s->ap_configured_cb)
 706                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 707                                         wpa_s->ap_configured_cb_data);
 708 }
 709
 710
 711 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 712                              struct wpa_ssid *ssid)
 713 {
 714         struct wpa_driver_associate_params params;
 715         struct hostapd_iface *hapd_iface;
 716         struct hostapd_config *conf;
 717         size_t i;
 718
 719         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 720                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 721                 return -1;
 722         }
 723
 724         wpa_supplicant_ap_deinit(wpa_s);
 725
 726         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 727                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 728
 729         os_memset(&params, 0, sizeof(params));
 730         params.ssid = ssid->ssid;
 731         params.ssid_len = ssid->ssid_len;
 732         switch (ssid->mode) {
 733         case WPAS_MODE_AP:
 734         case WPAS_MODE_P2P_GO:
 735         case WPAS_MODE_P2P_GROUP_FORMATION:
 736                 params.mode = IEEE80211_MODE_AP;
 737                 break;
 738         default:
 739                 return -1;
 740         }
 741         if (ssid->frequency == 0)
 742                 ssid->frequency = 2462; /* default channel 11 */
 743         params.freq.freq = ssid->frequency;
 744
 745         params.wpa_proto = ssid->proto;
 746         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 747                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 748         else
 749                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 750         params.key_mgmt_suite = wpa_s->key_mgmt;
 751
 752         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 753                                                           1);
 754         if (wpa_s->pairwise_cipher < 0) {
 755                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 756                            "cipher.");
 757                 return -1;
 758         }
 759         params.pairwise_suite = wpa_s->pairwise_cipher;
 760         params.group_suite = params.pairwise_suite;
 761
 762 #ifdef CONFIG_P2P
 763         if (ssid->mode == WPAS_MODE_P2P_GO ||
 764             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 765                 params.p2p = 1;
 766 #endif /* CONFIG_P2P */
 767
 768         if (wpa_s->p2pdev->set_ap_uapsd)
 769                 params.uapsd = wpa_s->p2pdev->ap_uapsd;
 770         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 771                 params.uapsd = 1; /* mandatory for P2P GO */
 772         else
 773                 params.uapsd = -1;
 774
 775         if (ieee80211_is_dfs(params.freq.freq, wpa_s->hw.modes,
 776                              wpa_s->hw.num_modes))
 777                 params.freq.freq = 0; /* set channel after CAC */
 778
 779         if (params.p2p)
 780                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
 781         else
 782                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
 783
 784         if (wpa_drv_associate(wpa_s, &params) < 0) {
 785                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 786                 return -1;
 787         }
 788
 789         wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface();
 790         if (hapd_iface == NULL)
 791                 return -1;
 792         hapd_iface->owner = wpa_s;
 793         hapd_iface->drv_flags = wpa_s->drv_flags;
 794         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 795         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 796         hapd_iface->extended_capa = wpa_s->extended_capa;
 797         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 798         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 799
 800         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 801         if (conf == NULL) {
 802                 wpa_supplicant_ap_deinit(wpa_s);
 803                 return -1;
 804         }
 805
 806         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 807                   wpa_s->conf->wmm_ac_params,
 808                   sizeof(wpa_s->conf->wmm_ac_params));
 809
 810         if (params.uapsd > 0) {
 811                 conf->bss[0]->wmm_enabled = 1;
 812                 conf->bss[0]->wmm_uapsd = 1;
 813         }
 814
 815         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 816                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 817                 wpa_supplicant_ap_deinit(wpa_s);
 818                 return -1;
 819         }
 820
 821 #ifdef CONFIG_P2P
 822         if (ssid->mode == WPAS_MODE_P2P_GO)
 823                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 824         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 825                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 826                         P2P_GROUP_FORMATION;
 827 #endif /* CONFIG_P2P */
 828
 829         hapd_iface->num_bss = conf->num_bss;
 830         hapd_iface->bss = os_calloc(conf->num_bss,
 831                                     sizeof(struct hostapd_data *));
 832         if (hapd_iface->bss == NULL) {
 833                 wpa_supplicant_ap_deinit(wpa_s);
 834                 return -1;
 835         }
 836
 837         for (i = 0; i < conf->num_bss; i++) {
 838                 hapd_iface->bss[i] =
 839                         hostapd_alloc_bss_data(hapd_iface, conf,
 840                                                conf->bss[i]);
 841                 if (hapd_iface->bss[i] == NULL) {
 842                         wpa_supplicant_ap_deinit(wpa_s);
 843                         return -1;
 844                 }
 845
 846                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 847                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
 848                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 849                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 850                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 851                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 852                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 853                                              ap_probe_req_rx, wpa_s);
 854                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 855                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 856                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 857                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 858                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 859                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 860 #ifdef CONFIG_P2P
 861                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 862                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 863                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 864                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 865                                                                     ssid);
 866 #endif /* CONFIG_P2P */
 867                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 868                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 869 #ifdef CONFIG_TESTING_OPTIONS
 870                 hapd_iface->bss[i]->ext_eapol_frame_io =
 871                         wpa_s->ext_eapol_frame_io;
 872 #endif /* CONFIG_TESTING_OPTIONS */
 873         }
 874
 875         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 876         hapd_iface->bss[0]->driver = wpa_s->driver;
 877         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 878
 879         wpa_s->current_ssid = ssid;
 880         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 881         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 882         wpa_s->assoc_freq = ssid->frequency;
 883
 884 #if defined(CONFIG_P2P) && defined(CONFIG_ACS)
 885         if (wpa_s->p2p_go_do_acs) {
 886                 wpa_s->ap_iface->conf->channel = 0;
 887                 wpa_s->ap_iface->conf->hw_mode = wpa_s->p2p_go_acs_band;
 888                 ssid->acs = 1;
 889         }
 890 #endif /* CONFIG_P2P && CONFIG_ACS */
 891
 892         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 893                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 894                 wpa_supplicant_ap_deinit(wpa_s);
 895                 return -1;
 896         }
 897
 898         return 0;
 899 }
 900
 901
 902 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 903 {
 904 #ifdef CONFIG_WPS
 905         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 906 #endif /* CONFIG_WPS */
 907
 908         if (wpa_s->ap_iface == NULL)
 909                 return;
 910
 911         wpa_s->current_ssid = NULL;
 912         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 913         wpa_s->assoc_freq = 0;
 914         wpas_p2p_ap_deinit(wpa_s);
 915         wpa_s->ap_iface->driver_ap_teardown =
 916                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 917
 918         hostapd_interface_deinit(wpa_s->ap_iface);
 919         hostapd_interface_free(wpa_s->ap_iface);
 920         wpa_s->ap_iface = NULL;
 921         wpa_drv_deinit_ap(wpa_s);
 922         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 923                 " reason=%d locally_generated=1",
 924                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 925 }
 926
 927
 928 void ap_tx_status(void *ctx, const u8 *addr,
 929                   const u8 *buf, size_t len, int ack)
 930 {
 931 #ifdef NEED_AP_MLME
 932         struct wpa_supplicant *wpa_s = ctx;
 933         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 934 #endif /* NEED_AP_MLME */
 935 }
 936
 937
 938 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 939                         const u8 *data, size_t len, int ack)
 940 {
 941 #ifdef NEED_AP_MLME
 942         struct wpa_supplicant *wpa_s = ctx;
 943         if (!wpa_s->ap_iface)
 944                 return;
 945         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 946 #endif /* NEED_AP_MLME */
 947 }
 948
 949
 950 void ap_client_poll_ok(void *ctx, const u8 *addr)
 951 {
 952 #ifdef NEED_AP_MLME
 953         struct wpa_supplicant *wpa_s = ctx;
 954         if (wpa_s->ap_iface)
 955                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 956 #endif /* NEED_AP_MLME */
 957 }
 958
 959
 960 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 961 {
 962 #ifdef NEED_AP_MLME
 963         struct wpa_supplicant *wpa_s = ctx;
 964         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 965 #endif /* NEED_AP_MLME */
 966 }
 967
 968
 969 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 970 {
 971 #ifdef NEED_AP_MLME
 972         struct wpa_supplicant *wpa_s = ctx;
 973         struct hostapd_frame_info fi;
 974         os_memset(&fi, 0, sizeof(fi));
 975         fi.datarate = rx_mgmt->datarate;
 976         fi.ssi_signal = rx_mgmt->ssi_signal;
 977         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 978                         rx_mgmt->frame_len, &fi);
 979 #endif /* NEED_AP_MLME */
 980 }
 981
 982
 983 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 984 {
 985 #ifdef NEED_AP_MLME
 986         struct wpa_supplicant *wpa_s = ctx;
 987         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 988 #endif /* NEED_AP_MLME */
 989 }
 990
 991
 992 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 993                                 const u8 *src_addr, const u8 *buf, size_t len)
 994 {
 995         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 996 }
 997
 998
 999 #ifdef CONFIG_WPS
1000
1001 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1002                               const u8 *p2p_dev_addr)
1003 {
1004         if (!wpa_s->ap_iface)
1005                 return -1;
1006         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
1007                                          p2p_dev_addr);
1008 }
1009
1010
1011 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
1012 {
1013         struct wps_registrar *reg;
1014         int reg_sel = 0, wps_sta = 0;
1015
1016         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
1017                 return -1;
1018
1019         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
1020         reg_sel = wps_registrar_wps_cancel(reg);
1021         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
1022                                   ap_sta_wps_cancel, NULL);
1023
1024         if (!reg_sel && !wps_sta) {
1025                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
1026                            "time");
1027                 return -1;
1028         }
1029
1030         /*
1031          * There are 2 cases to return wps cancel as success:
1032          * 1. When wps cancel was initiated but no connection has been
1033          *    established with client yet.
1034          * 2. Client is in the middle of exchanging WPS messages.
1035          */
1036
1037         return 0;
1038 }
1039
1040
1041 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1042                               const char *pin, char *buf, size_t buflen,
1043                               int timeout)
1044 {
1045         int ret, ret_len = 0;
1046
1047         if (!wpa_s->ap_iface)
1048                 return -1;
1049
1050         if (pin == NULL) {
1051                 unsigned int rpin;
1052
1053                 if (wps_generate_pin(&rpin) < 0)
1054                         return -1;
1055                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
1056                 if (os_snprintf_error(buflen, ret_len))
1057                         return -1;
1058                 pin = buf;
1059         } else if (buf) {
1060                 ret_len = os_snprintf(buf, buflen, "%s", pin);
1061                 if (os_snprintf_error(buflen, ret_len))
1062                         return -1;
1063         }
1064
1065         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
1066                                   timeout);
1067         if (ret)
1068                 return -1;
1069         return ret_len;
1070 }
1071
1072
1073 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1074 {
1075         struct wpa_supplicant *wpa_s = eloop_data;
1076         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1077         wpas_wps_ap_pin_disable(wpa_s);
1078 }
1079
1080
1081 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
1082 {
1083         struct hostapd_data *hapd;
1084
1085         if (wpa_s->ap_iface == NULL)
1086                 return;
1087         hapd = wpa_s->ap_iface->bss[0];
1088         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1089         hapd->ap_pin_failures = 0;
1090         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1091         if (timeout > 0)
1092                 eloop_register_timeout(timeout, 0,
1093                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
1094 }
1095
1096
1097 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
1098 {
1099         struct hostapd_data *hapd;
1100
1101         if (wpa_s->ap_iface == NULL)
1102                 return;
1103         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1104         hapd = wpa_s->ap_iface->bss[0];
1105         os_free(hapd->conf->ap_pin);
1106         hapd->conf->ap_pin = NULL;
1107         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1108 }
1109
1110
1111 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
1112 {
1113         struct hostapd_data *hapd;
1114         unsigned int pin;
1115         char pin_txt[9];
1116
1117         if (wpa_s->ap_iface == NULL)
1118                 return NULL;
1119         hapd = wpa_s->ap_iface->bss[0];
1120         if (wps_generate_pin(&pin) < 0)
1121                 return NULL;
1122         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1123         os_free(hapd->conf->ap_pin);
1124         hapd->conf->ap_pin = os_strdup(pin_txt);
1125         if (hapd->conf->ap_pin == NULL)
1126                 return NULL;
1127         wpas_wps_ap_pin_enable(wpa_s, timeout);
1128
1129         return hapd->conf->ap_pin;
1130 }
1131
1132
1133 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1134 {
1135         struct hostapd_data *hapd;
1136         if (wpa_s->ap_iface == NULL)
1137                 return NULL;
1138         hapd = wpa_s->ap_iface->bss[0];
1139         return hapd->conf->ap_pin;
1140 }
1141
1142
1143 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1144                         int timeout)
1145 {
1146         struct hostapd_data *hapd;
1147         char pin_txt[9];
1148         int ret;
1149
1150         if (wpa_s->ap_iface == NULL)
1151                 return -1;
1152         hapd = wpa_s->ap_iface->bss[0];
1153         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1154         if (os_snprintf_error(sizeof(pin_txt), ret))
1155                 return -1;
1156         os_free(hapd->conf->ap_pin);
1157         hapd->conf->ap_pin = os_strdup(pin_txt);
1158         if (hapd->conf->ap_pin == NULL)
1159                 return -1;
1160         wpas_wps_ap_pin_enable(wpa_s, timeout);
1161
1162         return 0;
1163 }
1164
1165
1166 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1167 {
1168         struct hostapd_data *hapd;
1169
1170         if (wpa_s->ap_iface == NULL)
1171                 return;
1172         hapd = wpa_s->ap_iface->bss[0];
1173
1174         /*
1175          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1176          * PIN if this happens multiple times to slow down brute force attacks.
1177          */
1178         hapd->ap_pin_failures++;
1179         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1180                    hapd->ap_pin_failures);
1181         if (hapd->ap_pin_failures < 3)
1182                 return;
1183
1184         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1185         hapd->ap_pin_failures = 0;
1186         os_free(hapd->conf->ap_pin);
1187         hapd->conf->ap_pin = NULL;
1188 }
1189
1190
1191 #ifdef CONFIG_WPS_NFC
1192
1193 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1194                                              int ndef)
1195 {
1196         struct hostapd_data *hapd;
1197
1198         if (wpa_s->ap_iface == NULL)
1199                 return NULL;
1200         hapd = wpa_s->ap_iface->bss[0];
1201         return hostapd_wps_nfc_config_token(hapd, ndef);
1202 }
1203
1204
1205 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1206                                              int ndef)
1207 {
1208         struct hostapd_data *hapd;
1209
1210         if (wpa_s->ap_iface == NULL)
1211                 return NULL;
1212         hapd = wpa_s->ap_iface->bss[0];
1213         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1214 }
1215
1216
1217 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1218                                     const struct wpabuf *req,
1219                                     const struct wpabuf *sel)
1220 {
1221         struct hostapd_data *hapd;
1222
1223         if (wpa_s->ap_iface == NULL)
1224                 return -1;
1225         hapd = wpa_s->ap_iface->bss[0];
1226         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1227 }
1228
1229 #endif /* CONFIG_WPS_NFC */
1230
1231 #endif /* CONFIG_WPS */
1232
1233
1234 #ifdef CONFIG_CTRL_IFACE
1235
1236 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1237                             char *buf, size_t buflen)
1238 {
1239         struct hostapd_data *hapd;
1240
1241         if (wpa_s->ap_iface)
1242                 hapd = wpa_s->ap_iface->bss[0];
1243         else if (wpa_s->ifmsh)
1244                 hapd = wpa_s->ifmsh->bss[0];
1245         else
1246                 return -1;
1247         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1248 }
1249
1250
1251 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1252                       char *buf, size_t buflen)
1253 {
1254         struct hostapd_data *hapd;
1255
1256         if (wpa_s->ap_iface)
1257                 hapd = wpa_s->ap_iface->bss[0];
1258         else if (wpa_s->ifmsh)
1259                 hapd = wpa_s->ifmsh->bss[0];
1260         else
1261                 return -1;
1262         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1263 }
1264
1265
1266 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1267                            char *buf, size_t buflen)
1268 {
1269         struct hostapd_data *hapd;
1270
1271         if (wpa_s->ap_iface)
1272                 hapd = wpa_s->ap_iface->bss[0];
1273         else if (wpa_s->ifmsh)
1274                 hapd = wpa_s->ifmsh->bss[0];
1275         else
1276                 return -1;
1277         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1278 }
1279
1280
1281 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1282                                    const char *txtaddr)
1283 {
1284         if (wpa_s->ap_iface == NULL)
1285                 return -1;
1286         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1287                                                txtaddr);
1288 }
1289
1290
1291 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1292                                      const char *txtaddr)
1293 {
1294         if (wpa_s->ap_iface == NULL)
1295                 return -1;
1296         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1297                                                  txtaddr);
1298 }
1299
1300
1301 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1302                                  size_t buflen, int verbose)
1303 {
1304         char *pos = buf, *end = buf + buflen;
1305         int ret;
1306         struct hostapd_bss_config *conf;
1307
1308         if (wpa_s->ap_iface == NULL)
1309                 return -1;
1310
1311         conf = wpa_s->ap_iface->bss[0]->conf;
1312         if (conf->wpa == 0)
1313                 return 0;
1314
1315         ret = os_snprintf(pos, end - pos,
1316                           "pairwise_cipher=%s\n"
1317                           "group_cipher=%s\n"
1318                           "key_mgmt=%s\n",
1319                           wpa_cipher_txt(conf->rsn_pairwise),
1320                           wpa_cipher_txt(conf->wpa_group),
1321                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1322                                            conf->wpa));
1323         if (os_snprintf_error(end - pos, ret))
1324                 return pos - buf;
1325         pos += ret;
1326         return pos - buf;
1327 }
1328
1329 #endif /* CONFIG_CTRL_IFACE */
1330
1331
1332 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1333 {
1334         struct hostapd_iface *iface = wpa_s->ap_iface;
1335         struct wpa_ssid *ssid = wpa_s->current_ssid;
1336         struct hostapd_data *hapd;
1337
1338         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1339             ssid->mode == WPAS_MODE_INFRA ||
1340             ssid->mode == WPAS_MODE_IBSS)
1341                 return -1;
1342
1343 #ifdef CONFIG_P2P
1344         if (ssid->mode == WPAS_MODE_P2P_GO)
1345                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1346         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1347                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1348                         P2P_GROUP_FORMATION;
1349 #endif /* CONFIG_P2P */
1350
1351         hapd = iface->bss[0];
1352         if (hapd->drv_priv == NULL)
1353                 return -1;
1354         ieee802_11_set_beacons(iface);
1355         hostapd_set_ap_wps_ie(hapd);
1356
1357         return 0;
1358 }
1359
1360
1361 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1362                       struct csa_settings *settings)
1363 {
1364 #ifdef NEED_AP_MLME
1365         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1366                 return -1;
1367
1368         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1369 #else /* NEED_AP_MLME */
1370         return -1;
1371 #endif /* NEED_AP_MLME */
1372 }
1373
1374
1375 #ifdef CONFIG_CTRL_IFACE
1376 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1377 {
1378         struct csa_settings settings;
1379         int ret = hostapd_parse_csa_settings(pos, &settings);
1380
1381         if (ret)
1382                 return ret;
1383
1384         return ap_switch_channel(wpa_s, &settings);
1385 }
1386 #endif /* CONFIG_CTRL_IFACE */
1387
1388
1389 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1390                        int offset, int width, int cf1, int cf2)
1391 {
1392         struct hostapd_iface *iface = wpa_s->ap_iface;
1393
1394         if (!iface)
1395                 iface = wpa_s->ifmsh;
1396         if (!iface)
1397                 return;
1398         wpa_s->assoc_freq = freq;
1399         if (wpa_s->current_ssid)
1400                 wpa_s->current_ssid->frequency = freq;
1401         hostapd_event_ch_switch(iface->bss[0], freq, ht,
1402                                 offset, width, cf1, cf2);
1403 }
1404
1405
1406 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1407                                       const u8 *addr)
1408 {
1409         struct hostapd_data *hapd;
1410         struct hostapd_bss_config *conf;
1411
1412         if (!wpa_s->ap_iface)
1413                 return -1;
1414
1415         if (addr)
1416                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1417                            MAC2STR(addr));
1418         else
1419                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1420
1421         hapd = wpa_s->ap_iface->bss[0];
1422         conf = hapd->conf;
1423
1424         os_free(conf->accept_mac);
1425         conf->accept_mac = NULL;
1426         conf->num_accept_mac = 0;
1427         os_free(conf->deny_mac);
1428         conf->deny_mac = NULL;
1429         conf->num_deny_mac = 0;
1430
1431         if (addr == NULL) {
1432                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1433                 return 0;
1434         }
1435
1436         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1437         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1438         if (conf->accept_mac == NULL)
1439                 return -1;
1440         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1441         conf->num_accept_mac = 1;
1442
1443         return 0;
1444 }
1445
1446
1447 #ifdef CONFIG_WPS_NFC
1448 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1449                            const struct wpabuf *pw, const u8 *pubkey_hash)
1450 {
1451         struct hostapd_data *hapd;
1452         struct wps_context *wps;
1453
1454         if (!wpa_s->ap_iface)
1455                 return -1;
1456         hapd = wpa_s->ap_iface->bss[0];
1457         wps = hapd->wps;
1458
1459         if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1460             wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1461                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1462                 return -1;
1463         }
1464
1465         dh5_free(wps->dh_ctx);
1466         wpabuf_free(wps->dh_pubkey);
1467         wpabuf_free(wps->dh_privkey);
1468         wps->dh_privkey = wpabuf_dup(
1469                 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1470         wps->dh_pubkey = wpabuf_dup(
1471                 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1472         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1473                 wps->dh_ctx = NULL;
1474                 wpabuf_free(wps->dh_pubkey);
1475                 wps->dh_pubkey = NULL;
1476                 wpabuf_free(wps->dh_privkey);
1477                 wps->dh_privkey = NULL;
1478                 return -1;
1479         }
1480         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1481         if (wps->dh_ctx == NULL)
1482                 return -1;
1483
1484         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1485                                               pw_id,
1486                                               pw ? wpabuf_head(pw) : NULL,
1487                                               pw ? wpabuf_len(pw) : 0, 1);
1488 }
1489 #endif /* CONFIG_WPS_NFC */
1490
1491
1492 #ifdef CONFIG_CTRL_IFACE
1493 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1494 {
1495         struct hostapd_data *hapd;
1496
1497         if (!wpa_s->ap_iface)
1498                 return -1;
1499         hapd = wpa_s->ap_iface->bss[0];
1500         return hostapd_ctrl_iface_stop_ap(hapd);
1501 }
1502
1503
1504 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1505                              size_t len)
1506 {
1507         size_t reply_len = 0, i;
1508         char ap_delimiter[] = "---- AP ----\n";
1509         char mesh_delimiter[] = "---- mesh ----\n";
1510         size_t dlen;
1511
1512         if (wpa_s->ap_iface) {
1513                 dlen = os_strlen(ap_delimiter);
1514                 if (dlen > len - reply_len)
1515                         return reply_len;
1516                 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1517                 reply_len += dlen;
1518
1519                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1520                         reply_len += hostapd_ctrl_iface_pmksa_list(
1521                                 wpa_s->ap_iface->bss[i],
1522                                 &buf[reply_len], len - reply_len);
1523                 }
1524         }
1525
1526         if (wpa_s->ifmsh) {
1527                 dlen = os_strlen(mesh_delimiter);
1528                 if (dlen > len - reply_len)
1529                         return reply_len;
1530                 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1531                 reply_len += dlen;
1532
1533                 reply_len += hostapd_ctrl_iface_pmksa_list(
1534                         wpa_s->ifmsh->bss[0], &buf[reply_len],
1535                         len - reply_len);
1536         }
1537
1538         return reply_len;
1539 }
1540
1541
1542 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1543 {
1544         size_t i;
1545
1546         if (wpa_s->ap_iface) {
1547                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1548                         hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1549         }
1550
1551         if (wpa_s->ifmsh)
1552                 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1553 }
1554
1555
1556 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1557 #ifdef CONFIG_MESH
1558
1559 int wpas_ap_pmksa_cache_list_mesh(struct wpa_supplicant *wpa_s, const u8 *addr,
1560                                   char *buf, size_t len)
1561 {
1562         return hostapd_ctrl_iface_pmksa_list_mesh(wpa_s->ifmsh->bss[0], addr,
1563                                                   &buf[0], len);
1564 }
1565
1566
1567 int wpas_ap_pmksa_cache_add_external(struct wpa_supplicant *wpa_s, char *cmd)
1568 {
1569         struct external_pmksa_cache *entry;
1570         void *pmksa_cache;
1571
1572         pmksa_cache = hostapd_ctrl_iface_pmksa_create_entry(wpa_s->own_addr,
1573                                                             cmd);
1574         if (!pmksa_cache)
1575                 return -1;
1576
1577         entry = os_zalloc(sizeof(struct external_pmksa_cache));
1578         if (!entry)
1579                 return -1;
1580
1581         entry->pmksa_cache = pmksa_cache;
1582
1583         dl_list_add(&wpa_s->mesh_external_pmksa_cache, &entry->list);
1584
1585         return 0;
1586 }
1587
1588 #endif /* CONFIG_MESH */
1589 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1590
1591 #endif /* CONFIG_CTRL_IFACE */
1592
1593
1594 #ifdef NEED_AP_MLME
1595 void wpas_ap_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1596                                       struct dfs_event *radar)
1597 {
1598         struct hostapd_iface *iface = wpa_s->ap_iface;
1599
1600         if (!iface)
1601                 iface = wpa_s->ifmsh;
1602         if (!iface || !iface->bss[0])
1603                 return;
1604         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1605         hostapd_dfs_radar_detected(iface, radar->freq,
1606                                    radar->ht_enabled, radar->chan_offset,
1607                                    radar->chan_width,
1608                                    radar->cf1, radar->cf2);
1609 }
1610
1611
1612 void wpas_ap_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1613                                    struct dfs_event *radar)
1614 {
1615         struct hostapd_iface *iface = wpa_s->ap_iface;
1616
1617         if (!iface)
1618                 iface = wpa_s->ifmsh;
1619         if (!iface || !iface->bss[0])
1620                 return;
1621         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1622         hostapd_dfs_start_cac(iface, radar->freq,
1623                               radar->ht_enabled, radar->chan_offset,
1624                               radar->chan_width, radar->cf1, radar->cf2);
1625 }
1626
1627
1628 void wpas_ap_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1629                                     struct dfs_event *radar)
1630 {
1631         struct hostapd_iface *iface = wpa_s->ap_iface;
1632
1633         if (!iface)
1634                 iface = wpa_s->ifmsh;
1635         if (!iface || !iface->bss[0])
1636                 return;
1637         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1638         hostapd_dfs_complete_cac(iface, 1, radar->freq,
1639                                  radar->ht_enabled, radar->chan_offset,
1640                                  radar->chan_width, radar->cf1, radar->cf2);
1641 }
1642
1643
1644 void wpas_ap_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1645                                    struct dfs_event *radar)
1646 {
1647         struct hostapd_iface *iface = wpa_s->ap_iface;
1648
1649         if (!iface)
1650                 iface = wpa_s->ifmsh;
1651         if (!iface || !iface->bss[0])
1652                 return;
1653         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1654         hostapd_dfs_complete_cac(iface, 0, radar->freq,
1655                                  radar->ht_enabled, radar->chan_offset,
1656                                  radar->chan_width, radar->cf1, radar->cf2);
1657 }
1658
1659
1660 void wpas_ap_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1661                                         struct dfs_event *radar)
1662 {
1663         struct hostapd_iface *iface = wpa_s->ap_iface;
1664
1665         if (!iface)
1666                 iface = wpa_s->ifmsh;
1667         if (!iface || !iface->bss[0])
1668                 return;
1669         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1670         hostapd_dfs_nop_finished(iface, radar->freq,
1671                                  radar->ht_enabled, radar->chan_offset,
1672                                  radar->chan_width, radar->cf1, radar->cf2);
1673 }
1674 #endif /* NEED_AP_MLME */
1675
1676
1677 void ap_periodic(struct wpa_supplicant *wpa_s)
1678 {
1679         if (wpa_s->ap_iface)
1680                 hostapd_periodic_iface(wpa_s->ap_iface);
1681 }