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         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 340         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 341
 342         if (ssid->p2p_group) {
 343                 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
 344                 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
 345                           4);
 346                 os_memcpy(bss->ip_addr_start,
 347                           wpa_s->p2pdev->conf->ip_addr_start, 4);
 348                 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
 349                           4);
 350         }
 351 #endif /* CONFIG_P2P */
 352
 353         if (ssid->ssid_len == 0) {
 354                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 355                 return -1;
 356         }
 357         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 358         bss->ssid.ssid_len = ssid->ssid_len;
 359         bss->ssid.ssid_set = 1;
 360
 361         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 362
 363         if (ssid->auth_alg)
 364                 bss->auth_algs = ssid->auth_alg;
 365
 366         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 367                 bss->wpa = ssid->proto;
 368         if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
 369                 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
 370         else
 371                 bss->wpa_key_mgmt = ssid->key_mgmt;
 372         bss->wpa_pairwise = ssid->pairwise_cipher;
 373         if (ssid->psk_set) {
 374                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 375                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 376                 if (bss->ssid.wpa_psk == NULL)
 377                         return -1;
 378                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 379                 bss->ssid.wpa_psk->group = 1;
 380                 bss->ssid.wpa_psk_set = 1;
 381         } else if (ssid->passphrase) {
 382                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 383         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 384                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 385                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 386                 int i;
 387                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 388                         if (ssid->wep_key_len[i] == 0)
 389                                 continue;
 390                         wep->key[i] = os_memdup(ssid->wep_key[i],
 391                                                 ssid->wep_key_len[i]);
 392                         if (wep->key[i] == NULL)
 393                                 return -1;
 394                         wep->len[i] = ssid->wep_key_len[i];
 395                 }
 396                 wep->idx = ssid->wep_tx_keyidx;
 397                 wep->keys_set = 1;
 398         }
 399
 400         if (wpa_s->conf->go_interworking) {
 401                 wpa_printf(MSG_DEBUG,
 402                            "P2P: Enable Interworking with access_network_type: %d",
 403                            wpa_s->conf->go_access_network_type);
 404                 bss->interworking = wpa_s->conf->go_interworking;
 405                 bss->access_network_type = wpa_s->conf->go_access_network_type;
 406                 bss->internet = wpa_s->conf->go_internet;
 407                 if (wpa_s->conf->go_venue_group) {
 408                         wpa_printf(MSG_DEBUG,
 409                                    "P2P: Venue group: %d  Venue type: %d",
 410                                    wpa_s->conf->go_venue_group,
 411                                    wpa_s->conf->go_venue_type);
 412                         bss->venue_group = wpa_s->conf->go_venue_group;
 413                         bss->venue_type = wpa_s->conf->go_venue_type;
 414                         bss->venue_info_set = 1;
 415                 }
 416         }
 417
 418         if (ssid->ap_max_inactivity)
 419                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 420
 421         if (ssid->dtim_period)
 422                 bss->dtim_period = ssid->dtim_period;
 423         else if (wpa_s->conf->dtim_period)
 424                 bss->dtim_period = wpa_s->conf->dtim_period;
 425
 426         if (ssid->beacon_int)
 427                 conf->beacon_int = ssid->beacon_int;
 428         else if (wpa_s->conf->beacon_int)
 429                 conf->beacon_int = wpa_s->conf->beacon_int;
 430
 431 #ifdef CONFIG_P2P
 432         if (ssid->mode == WPAS_MODE_P2P_GO ||
 433             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 434                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 435                         wpa_printf(MSG_INFO,
 436                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 437                                    wpa_s->conf->p2p_go_ctwindow,
 438                                    conf->beacon_int);
 439                         conf->p2p_go_ctwindow = 0;
 440                 } else {
 441                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 442                 }
 443         }
 444 #endif /* CONFIG_P2P */
 445
 446         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 447                 bss->rsn_pairwise = bss->wpa_pairwise;
 448         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 449                                                     bss->rsn_pairwise);
 450
 451         if (bss->wpa && bss->ieee802_1x)
 452                 bss->ssid.security_policy = SECURITY_WPA;
 453         else if (bss->wpa)
 454                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 455         else if (bss->ieee802_1x) {
 456                 int cipher = WPA_CIPHER_NONE;
 457                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 458                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 459                 if (bss->default_wep_key_len)
 460                         cipher = bss->default_wep_key_len >= 13 ?
 461                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 462                 bss->wpa_group = cipher;
 463                 bss->wpa_pairwise = cipher;
 464                 bss->rsn_pairwise = cipher;
 465         } else if (bss->ssid.wep.keys_set) {
 466                 int cipher = WPA_CIPHER_WEP40;
 467                 if (bss->ssid.wep.len[0] >= 13)
 468                         cipher = WPA_CIPHER_WEP104;
 469                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 470                 bss->wpa_group = cipher;
 471                 bss->wpa_pairwise = cipher;
 472                 bss->rsn_pairwise = cipher;
 473         } else {
 474                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 475                 bss->wpa_group = WPA_CIPHER_NONE;
 476                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 477                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 478         }
 479
 480         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 481             (bss->wpa_group == WPA_CIPHER_CCMP ||
 482              bss->wpa_group == WPA_CIPHER_GCMP ||
 483              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 484              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 485                 /*
 486                  * Strong ciphers do not need frequent rekeying, so increase
 487                  * the default GTK rekeying period to 24 hours.
 488                  */
 489                 bss->wpa_group_rekey = 86400;
 490         }
 491
 492 #ifdef CONFIG_IEEE80211W
 493         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 494                 bss->ieee80211w = ssid->ieee80211w;
 495 #endif /* CONFIG_IEEE80211W */
 496
 497 #ifdef CONFIG_WPS
 498         /*
 499          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 500          * require user interaction to actually use it. Only the internal
 501          * Registrar is supported.
 502          */
 503         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 504             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 505                 goto no_wps;
 506         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 507             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 508              !(bss->wpa & 2)))
 509                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 510                               * configuration */
 511         if (ssid->wps_disabled)
 512                 goto no_wps;
 513         bss->eap_server = 1;
 514
 515         if (!ssid->ignore_broadcast_ssid)
 516                 bss->wps_state = 2;
 517
 518         bss->ap_setup_locked = 2;
 519         if (wpa_s->conf->config_methods)
 520                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 521         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 522                   WPS_DEV_TYPE_LEN);
 523         if (wpa_s->conf->device_name) {
 524                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 525                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 526         }
 527         if (wpa_s->conf->manufacturer)
 528                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 529         if (wpa_s->conf->model_name)
 530                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 531         if (wpa_s->conf->model_number)
 532                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 533         if (wpa_s->conf->serial_number)
 534                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 535         if (is_nil_uuid(wpa_s->conf->uuid))
 536                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 537         else
 538                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 539         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 540         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 541         if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
 542                 bss->fragment_size = ssid->eap.fragment_size;
 543 no_wps:
 544 #endif /* CONFIG_WPS */
 545
 546         if (wpa_s->max_stations &&
 547             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 548                 bss->max_num_sta = wpa_s->max_stations;
 549         else
 550                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 551
 552         if (!bss->isolate)
 553                 bss->isolate = wpa_s->conf->ap_isolate;
 554
 555         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 556
 557         if (wpa_s->conf->ap_vendor_elements) {
 558                 bss->vendor_elements =
 559                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 560         }
 561
 562         bss->ftm_responder = wpa_s->conf->ftm_responder;
 563         bss->ftm_initiator = wpa_s->conf->ftm_initiator;
 564
 565         return 0;
 566 }
 567
 568
 569 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 570 {
 571 #ifdef CONFIG_P2P
 572         struct wpa_supplicant *wpa_s = ctx;
 573         const struct ieee80211_mgmt *mgmt;
 574
 575         mgmt = (const struct ieee80211_mgmt *) buf;
 576         if (len < IEEE80211_HDRLEN + 1)
 577                 return;
 578         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 579                 return;
 580         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 581                            mgmt->u.action.category,
 582                            buf + IEEE80211_HDRLEN + 1,
 583                            len - IEEE80211_HDRLEN - 1, freq);
 584 #endif /* CONFIG_P2P */
 585 }
 586
 587
 588 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 589                             union wps_event_data *data)
 590 {
 591 #ifdef CONFIG_P2P
 592         struct wpa_supplicant *wpa_s = ctx;
 593
 594         if (event == WPS_EV_FAIL) {
 595                 struct wps_event_fail *fail = &data->fail;
 596
 597                 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
 598                     wpa_s == wpa_s->global->p2p_group_formation) {
 599                         /*
 600                          * src/ap/wps_hostapd.c has already sent this on the
 601                          * main interface, so only send on the parent interface
 602                          * here if needed.
 603                          */
 604                         wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
 605                                 "msg=%d config_error=%d",
 606                                 fail->msg, fail->config_error);
 607                 }
 608                 wpas_p2p_wps_failed(wpa_s, fail);
 609         }
 610 #endif /* CONFIG_P2P */
 611 }
 612
 613
 614 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 615                                  int authorized, const u8 *p2p_dev_addr)
 616 {
 617         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 618 }
 619
 620
 621 #ifdef CONFIG_P2P
 622 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 623                           const u8 *psk, size_t psk_len)
 624 {
 625
 626         struct wpa_supplicant *wpa_s = ctx;
 627         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 628                 return;
 629         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 630 }
 631 #endif /* CONFIG_P2P */
 632
 633
 634 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 635 {
 636 #ifdef CONFIG_P2P
 637         struct wpa_supplicant *wpa_s = ctx;
 638         const struct ieee80211_mgmt *mgmt;
 639
 640         mgmt = (const struct ieee80211_mgmt *) buf;
 641         if (len < IEEE80211_HDRLEN + 1)
 642                 return -1;
 643         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 644                            mgmt->u.action.category,
 645                            buf + IEEE80211_HDRLEN + 1,
 646                            len - IEEE80211_HDRLEN - 1, freq);
 647 #endif /* CONFIG_P2P */
 648         return 0;
 649 }
 650
 651
 652 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 653                            const u8 *bssid, const u8 *ie, size_t ie_len,
 654                            int ssi_signal)
 655 {
 656         struct wpa_supplicant *wpa_s = ctx;
 657         unsigned int freq = 0;
 658
 659         if (wpa_s->ap_iface)
 660                 freq = wpa_s->ap_iface->freq;
 661
 662         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 663                                      freq, ssi_signal);
 664 }
 665
 666
 667 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 668                                   const u8 *uuid_e)
 669 {
 670         struct wpa_supplicant *wpa_s = ctx;
 671         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 672 }
 673
 674
 675 static void wpas_ap_configured_cb(void *ctx)
 676 {
 677         struct wpa_supplicant *wpa_s = ctx;
 678
 679         wpa_printf(MSG_DEBUG, "AP interface setup completed - state %s",
 680                    hostapd_state_text(wpa_s->ap_iface->state));
 681         if (wpa_s->ap_iface->state == HAPD_IFACE_DISABLED) {
 682                 wpa_supplicant_ap_deinit(wpa_s);
 683                 return;
 684         }
 685
 686 #ifdef CONFIG_ACS
 687         if (wpa_s->current_ssid && wpa_s->current_ssid->acs) {
 688                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 689                 wpa_s->current_ssid->frequency = wpa_s->ap_iface->freq;
 690         }
 691 #endif /* CONFIG_ACS */
 692
 693         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 694
 695         if (wpa_s->ap_configured_cb)
 696                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 697                                         wpa_s->ap_configured_cb_data);
 698 }
 699
 700
 701 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 702                              struct wpa_ssid *ssid)
 703 {
 704         struct wpa_driver_associate_params params;
 705         struct hostapd_iface *hapd_iface;
 706         struct hostapd_config *conf;
 707         size_t i;
 708
 709         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 710                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 711                 return -1;
 712         }
 713
 714         wpa_supplicant_ap_deinit(wpa_s);
 715
 716         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 717                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 718
 719         os_memset(&params, 0, sizeof(params));
 720         params.ssid = ssid->ssid;
 721         params.ssid_len = ssid->ssid_len;
 722         switch (ssid->mode) {
 723         case WPAS_MODE_AP:
 724         case WPAS_MODE_P2P_GO:
 725         case WPAS_MODE_P2P_GROUP_FORMATION:
 726                 params.mode = IEEE80211_MODE_AP;
 727                 break;
 728         default:
 729                 return -1;
 730         }
 731         if (ssid->frequency == 0)
 732                 ssid->frequency = 2462; /* default channel 11 */
 733         params.freq.freq = ssid->frequency;
 734
 735         params.wpa_proto = ssid->proto;
 736         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 737                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 738         else
 739                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 740         params.key_mgmt_suite = wpa_s->key_mgmt;
 741
 742         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 743                                                           1);
 744         if (wpa_s->pairwise_cipher < 0) {
 745                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 746                            "cipher.");
 747                 return -1;
 748         }
 749         params.pairwise_suite = wpa_s->pairwise_cipher;
 750         params.group_suite = params.pairwise_suite;
 751
 752 #ifdef CONFIG_P2P
 753         if (ssid->mode == WPAS_MODE_P2P_GO ||
 754             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 755                 params.p2p = 1;
 756 #endif /* CONFIG_P2P */
 757
 758         if (wpa_s->p2pdev->set_ap_uapsd)
 759                 params.uapsd = wpa_s->p2pdev->ap_uapsd;
 760         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 761                 params.uapsd = 1; /* mandatory for P2P GO */
 762         else
 763                 params.uapsd = -1;
 764
 765         if (ieee80211_is_dfs(params.freq.freq, wpa_s->hw.modes,
 766                              wpa_s->hw.num_modes))
 767                 params.freq.freq = 0; /* set channel after CAC */
 768
 769         if (params.p2p)
 770                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
 771         else
 772                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
 773
 774         if (wpa_drv_associate(wpa_s, &params) < 0) {
 775                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 776                 return -1;
 777         }
 778
 779         wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface();
 780         if (hapd_iface == NULL)
 781                 return -1;
 782         hapd_iface->owner = wpa_s;
 783         hapd_iface->drv_flags = wpa_s->drv_flags;
 784         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 785         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 786         hapd_iface->extended_capa = wpa_s->extended_capa;
 787         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 788         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 789
 790         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 791         if (conf == NULL) {
 792                 wpa_supplicant_ap_deinit(wpa_s);
 793                 return -1;
 794         }
 795
 796         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 797                   wpa_s->conf->wmm_ac_params,
 798                   sizeof(wpa_s->conf->wmm_ac_params));
 799
 800         if (params.uapsd > 0) {
 801                 conf->bss[0]->wmm_enabled = 1;
 802                 conf->bss[0]->wmm_uapsd = 1;
 803         }
 804
 805         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 806                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 807                 wpa_supplicant_ap_deinit(wpa_s);
 808                 return -1;
 809         }
 810
 811 #ifdef CONFIG_P2P
 812         if (ssid->mode == WPAS_MODE_P2P_GO)
 813                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 814         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 815                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 816                         P2P_GROUP_FORMATION;
 817 #endif /* CONFIG_P2P */
 818
 819         hapd_iface->num_bss = conf->num_bss;
 820         hapd_iface->bss = os_calloc(conf->num_bss,
 821                                     sizeof(struct hostapd_data *));
 822         if (hapd_iface->bss == NULL) {
 823                 wpa_supplicant_ap_deinit(wpa_s);
 824                 return -1;
 825         }
 826
 827         for (i = 0; i < conf->num_bss; i++) {
 828                 hapd_iface->bss[i] =
 829                         hostapd_alloc_bss_data(hapd_iface, conf,
 830                                                conf->bss[i]);
 831                 if (hapd_iface->bss[i] == NULL) {
 832                         wpa_supplicant_ap_deinit(wpa_s);
 833                         return -1;
 834                 }
 835
 836                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 837                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
 838                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 839                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 840                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 841                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 842                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 843                                              ap_probe_req_rx, wpa_s);
 844                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 845                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 846                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 847                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 848                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 849                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 850 #ifdef CONFIG_P2P
 851                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 852                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 853                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 854                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 855                                                                     ssid);
 856 #endif /* CONFIG_P2P */
 857                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 858                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 859 #ifdef CONFIG_TESTING_OPTIONS
 860                 hapd_iface->bss[i]->ext_eapol_frame_io =
 861                         wpa_s->ext_eapol_frame_io;
 862 #endif /* CONFIG_TESTING_OPTIONS */
 863         }
 864
 865         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 866         hapd_iface->bss[0]->driver = wpa_s->driver;
 867         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 868
 869         wpa_s->current_ssid = ssid;
 870         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 871         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 872         wpa_s->assoc_freq = ssid->frequency;
 873
 874 #if defined(CONFIG_P2P) && defined(CONFIG_ACS)
 875         if (wpa_s->p2p_go_do_acs) {
 876                 wpa_s->ap_iface->conf->channel = 0;
 877                 wpa_s->ap_iface->conf->hw_mode = wpa_s->p2p_go_acs_band;
 878                 ssid->acs = 1;
 879         }
 880 #endif /* CONFIG_P2P && CONFIG_ACS */
 881
 882         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 883                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 884                 wpa_supplicant_ap_deinit(wpa_s);
 885                 return -1;
 886         }
 887
 888         return 0;
 889 }
 890
 891
 892 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 893 {
 894 #ifdef CONFIG_WPS
 895         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 896 #endif /* CONFIG_WPS */
 897
 898         if (wpa_s->ap_iface == NULL)
 899                 return;
 900
 901         wpa_s->current_ssid = NULL;
 902         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 903         wpa_s->assoc_freq = 0;
 904         wpas_p2p_ap_deinit(wpa_s);
 905         wpa_s->ap_iface->driver_ap_teardown =
 906                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 907
 908         hostapd_interface_deinit(wpa_s->ap_iface);
 909         hostapd_interface_free(wpa_s->ap_iface);
 910         wpa_s->ap_iface = NULL;
 911         wpa_drv_deinit_ap(wpa_s);
 912         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 913                 " reason=%d locally_generated=1",
 914                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 915 }
 916
 917
 918 void ap_tx_status(void *ctx, const u8 *addr,
 919                   const u8 *buf, size_t len, int ack)
 920 {
 921 #ifdef NEED_AP_MLME
 922         struct wpa_supplicant *wpa_s = ctx;
 923         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 924 #endif /* NEED_AP_MLME */
 925 }
 926
 927
 928 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 929                         const u8 *data, size_t len, int ack)
 930 {
 931 #ifdef NEED_AP_MLME
 932         struct wpa_supplicant *wpa_s = ctx;
 933         if (!wpa_s->ap_iface)
 934                 return;
 935         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 936 #endif /* NEED_AP_MLME */
 937 }
 938
 939
 940 void ap_client_poll_ok(void *ctx, const u8 *addr)
 941 {
 942 #ifdef NEED_AP_MLME
 943         struct wpa_supplicant *wpa_s = ctx;
 944         if (wpa_s->ap_iface)
 945                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 946 #endif /* NEED_AP_MLME */
 947 }
 948
 949
 950 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 951 {
 952 #ifdef NEED_AP_MLME
 953         struct wpa_supplicant *wpa_s = ctx;
 954         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 955 #endif /* NEED_AP_MLME */
 956 }
 957
 958
 959 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 960 {
 961 #ifdef NEED_AP_MLME
 962         struct wpa_supplicant *wpa_s = ctx;
 963         struct hostapd_frame_info fi;
 964         os_memset(&fi, 0, sizeof(fi));
 965         fi.datarate = rx_mgmt->datarate;
 966         fi.ssi_signal = rx_mgmt->ssi_signal;
 967         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 968                         rx_mgmt->frame_len, &fi);
 969 #endif /* NEED_AP_MLME */
 970 }
 971
 972
 973 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 974 {
 975 #ifdef NEED_AP_MLME
 976         struct wpa_supplicant *wpa_s = ctx;
 977         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 978 #endif /* NEED_AP_MLME */
 979 }
 980
 981
 982 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 983                                 const u8 *src_addr, const u8 *buf, size_t len)
 984 {
 985         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 986 }
 987
 988
 989 #ifdef CONFIG_WPS
 990
 991 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 992                               const u8 *p2p_dev_addr)
 993 {
 994         if (!wpa_s->ap_iface)
 995                 return -1;
 996         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 997                                          p2p_dev_addr);
 998 }
 999
1000
1001 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
1002 {
1003         struct wps_registrar *reg;
1004         int reg_sel = 0, wps_sta = 0;
1005
1006         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
1007                 return -1;
1008
1009         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
1010         reg_sel = wps_registrar_wps_cancel(reg);
1011         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
1012                                   ap_sta_wps_cancel, NULL);
1013
1014         if (!reg_sel && !wps_sta) {
1015                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
1016                            "time");
1017                 return -1;
1018         }
1019
1020         /*
1021          * There are 2 cases to return wps cancel as success:
1022          * 1. When wps cancel was initiated but no connection has been
1023          *    established with client yet.
1024          * 2. Client is in the middle of exchanging WPS messages.
1025          */
1026
1027         return 0;
1028 }
1029
1030
1031 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1032                               const char *pin, char *buf, size_t buflen,
1033                               int timeout)
1034 {
1035         int ret, ret_len = 0;
1036
1037         if (!wpa_s->ap_iface)
1038                 return -1;
1039
1040         if (pin == NULL) {
1041                 unsigned int rpin;
1042
1043                 if (wps_generate_pin(&rpin) < 0)
1044                         return -1;
1045                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
1046                 if (os_snprintf_error(buflen, ret_len))
1047                         return -1;
1048                 pin = buf;
1049         } else if (buf) {
1050                 ret_len = os_snprintf(buf, buflen, "%s", pin);
1051                 if (os_snprintf_error(buflen, ret_len))
1052                         return -1;
1053         }
1054
1055         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
1056                                   timeout);
1057         if (ret)
1058                 return -1;
1059         return ret_len;
1060 }
1061
1062
1063 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1064 {
1065         struct wpa_supplicant *wpa_s = eloop_data;
1066         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1067         wpas_wps_ap_pin_disable(wpa_s);
1068 }
1069
1070
1071 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
1072 {
1073         struct hostapd_data *hapd;
1074
1075         if (wpa_s->ap_iface == NULL)
1076                 return;
1077         hapd = wpa_s->ap_iface->bss[0];
1078         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1079         hapd->ap_pin_failures = 0;
1080         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1081         if (timeout > 0)
1082                 eloop_register_timeout(timeout, 0,
1083                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
1084 }
1085
1086
1087 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
1088 {
1089         struct hostapd_data *hapd;
1090
1091         if (wpa_s->ap_iface == NULL)
1092                 return;
1093         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1094         hapd = wpa_s->ap_iface->bss[0];
1095         os_free(hapd->conf->ap_pin);
1096         hapd->conf->ap_pin = NULL;
1097         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1098 }
1099
1100
1101 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
1102 {
1103         struct hostapd_data *hapd;
1104         unsigned int pin;
1105         char pin_txt[9];
1106
1107         if (wpa_s->ap_iface == NULL)
1108                 return NULL;
1109         hapd = wpa_s->ap_iface->bss[0];
1110         if (wps_generate_pin(&pin) < 0)
1111                 return NULL;
1112         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1113         os_free(hapd->conf->ap_pin);
1114         hapd->conf->ap_pin = os_strdup(pin_txt);
1115         if (hapd->conf->ap_pin == NULL)
1116                 return NULL;
1117         wpas_wps_ap_pin_enable(wpa_s, timeout);
1118
1119         return hapd->conf->ap_pin;
1120 }
1121
1122
1123 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1124 {
1125         struct hostapd_data *hapd;
1126         if (wpa_s->ap_iface == NULL)
1127                 return NULL;
1128         hapd = wpa_s->ap_iface->bss[0];
1129         return hapd->conf->ap_pin;
1130 }
1131
1132
1133 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1134                         int timeout)
1135 {
1136         struct hostapd_data *hapd;
1137         char pin_txt[9];
1138         int ret;
1139
1140         if (wpa_s->ap_iface == NULL)
1141                 return -1;
1142         hapd = wpa_s->ap_iface->bss[0];
1143         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1144         if (os_snprintf_error(sizeof(pin_txt), ret))
1145                 return -1;
1146         os_free(hapd->conf->ap_pin);
1147         hapd->conf->ap_pin = os_strdup(pin_txt);
1148         if (hapd->conf->ap_pin == NULL)
1149                 return -1;
1150         wpas_wps_ap_pin_enable(wpa_s, timeout);
1151
1152         return 0;
1153 }
1154
1155
1156 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1157 {
1158         struct hostapd_data *hapd;
1159
1160         if (wpa_s->ap_iface == NULL)
1161                 return;
1162         hapd = wpa_s->ap_iface->bss[0];
1163
1164         /*
1165          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1166          * PIN if this happens multiple times to slow down brute force attacks.
1167          */
1168         hapd->ap_pin_failures++;
1169         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1170                    hapd->ap_pin_failures);
1171         if (hapd->ap_pin_failures < 3)
1172                 return;
1173
1174         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1175         hapd->ap_pin_failures = 0;
1176         os_free(hapd->conf->ap_pin);
1177         hapd->conf->ap_pin = NULL;
1178 }
1179
1180
1181 #ifdef CONFIG_WPS_NFC
1182
1183 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1184                                              int ndef)
1185 {
1186         struct hostapd_data *hapd;
1187
1188         if (wpa_s->ap_iface == NULL)
1189                 return NULL;
1190         hapd = wpa_s->ap_iface->bss[0];
1191         return hostapd_wps_nfc_config_token(hapd, ndef);
1192 }
1193
1194
1195 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1196                                              int ndef)
1197 {
1198         struct hostapd_data *hapd;
1199
1200         if (wpa_s->ap_iface == NULL)
1201                 return NULL;
1202         hapd = wpa_s->ap_iface->bss[0];
1203         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1204 }
1205
1206
1207 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1208                                     const struct wpabuf *req,
1209                                     const struct wpabuf *sel)
1210 {
1211         struct hostapd_data *hapd;
1212
1213         if (wpa_s->ap_iface == NULL)
1214                 return -1;
1215         hapd = wpa_s->ap_iface->bss[0];
1216         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1217 }
1218
1219 #endif /* CONFIG_WPS_NFC */
1220
1221 #endif /* CONFIG_WPS */
1222
1223
1224 #ifdef CONFIG_CTRL_IFACE
1225
1226 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1227                             char *buf, size_t buflen)
1228 {
1229         struct hostapd_data *hapd;
1230
1231         if (wpa_s->ap_iface)
1232                 hapd = wpa_s->ap_iface->bss[0];
1233         else if (wpa_s->ifmsh)
1234                 hapd = wpa_s->ifmsh->bss[0];
1235         else
1236                 return -1;
1237         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1238 }
1239
1240
1241 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1242                       char *buf, size_t buflen)
1243 {
1244         struct hostapd_data *hapd;
1245
1246         if (wpa_s->ap_iface)
1247                 hapd = wpa_s->ap_iface->bss[0];
1248         else if (wpa_s->ifmsh)
1249                 hapd = wpa_s->ifmsh->bss[0];
1250         else
1251                 return -1;
1252         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1253 }
1254
1255
1256 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1257                            char *buf, size_t buflen)
1258 {
1259         struct hostapd_data *hapd;
1260
1261         if (wpa_s->ap_iface)
1262                 hapd = wpa_s->ap_iface->bss[0];
1263         else if (wpa_s->ifmsh)
1264                 hapd = wpa_s->ifmsh->bss[0];
1265         else
1266                 return -1;
1267         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1268 }
1269
1270
1271 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1272                                    const char *txtaddr)
1273 {
1274         if (wpa_s->ap_iface == NULL)
1275                 return -1;
1276         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1277                                                txtaddr);
1278 }
1279
1280
1281 int ap_ctrl_iface_sta_deauthenticate(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_deauthenticate(wpa_s->ap_iface->bss[0],
1287                                                  txtaddr);
1288 }
1289
1290
1291 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1292                                  size_t buflen, int verbose)
1293 {
1294         char *pos = buf, *end = buf + buflen;
1295         int ret;
1296         struct hostapd_bss_config *conf;
1297
1298         if (wpa_s->ap_iface == NULL)
1299                 return -1;
1300
1301         conf = wpa_s->ap_iface->bss[0]->conf;
1302         if (conf->wpa == 0)
1303                 return 0;
1304
1305         ret = os_snprintf(pos, end - pos,
1306                           "pairwise_cipher=%s\n"
1307                           "group_cipher=%s\n"
1308                           "key_mgmt=%s\n",
1309                           wpa_cipher_txt(conf->rsn_pairwise),
1310                           wpa_cipher_txt(conf->wpa_group),
1311                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1312                                            conf->wpa));
1313         if (os_snprintf_error(end - pos, ret))
1314                 return pos - buf;
1315         pos += ret;
1316         return pos - buf;
1317 }
1318
1319 #endif /* CONFIG_CTRL_IFACE */
1320
1321
1322 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1323 {
1324         struct hostapd_iface *iface = wpa_s->ap_iface;
1325         struct wpa_ssid *ssid = wpa_s->current_ssid;
1326         struct hostapd_data *hapd;
1327
1328         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1329             ssid->mode == WPAS_MODE_INFRA ||
1330             ssid->mode == WPAS_MODE_IBSS)
1331                 return -1;
1332
1333 #ifdef CONFIG_P2P
1334         if (ssid->mode == WPAS_MODE_P2P_GO)
1335                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1336         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1337                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1338                         P2P_GROUP_FORMATION;
1339 #endif /* CONFIG_P2P */
1340
1341         hapd = iface->bss[0];
1342         if (hapd->drv_priv == NULL)
1343                 return -1;
1344         ieee802_11_set_beacons(iface);
1345         hostapd_set_ap_wps_ie(hapd);
1346
1347         return 0;
1348 }
1349
1350
1351 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1352                       struct csa_settings *settings)
1353 {
1354 #ifdef NEED_AP_MLME
1355         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1356                 return -1;
1357
1358         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1359 #else /* NEED_AP_MLME */
1360         return -1;
1361 #endif /* NEED_AP_MLME */
1362 }
1363
1364
1365 #ifdef CONFIG_CTRL_IFACE
1366 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1367 {
1368         struct csa_settings settings;
1369         int ret = hostapd_parse_csa_settings(pos, &settings);
1370
1371         if (ret)
1372                 return ret;
1373
1374         return ap_switch_channel(wpa_s, &settings);
1375 }
1376 #endif /* CONFIG_CTRL_IFACE */
1377
1378
1379 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1380                        int offset, int width, int cf1, int cf2)
1381 {
1382         if (!wpa_s->ap_iface)
1383                 return;
1384
1385         wpa_s->assoc_freq = freq;
1386         if (wpa_s->current_ssid)
1387                 wpa_s->current_ssid->frequency = freq;
1388         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1389                                 offset, width, cf1, cf2);
1390 }
1391
1392
1393 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1394                                       const u8 *addr)
1395 {
1396         struct hostapd_data *hapd;
1397         struct hostapd_bss_config *conf;
1398
1399         if (!wpa_s->ap_iface)
1400                 return -1;
1401
1402         if (addr)
1403                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1404                            MAC2STR(addr));
1405         else
1406                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1407
1408         hapd = wpa_s->ap_iface->bss[0];
1409         conf = hapd->conf;
1410
1411         os_free(conf->accept_mac);
1412         conf->accept_mac = NULL;
1413         conf->num_accept_mac = 0;
1414         os_free(conf->deny_mac);
1415         conf->deny_mac = NULL;
1416         conf->num_deny_mac = 0;
1417
1418         if (addr == NULL) {
1419                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1420                 return 0;
1421         }
1422
1423         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1424         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1425         if (conf->accept_mac == NULL)
1426                 return -1;
1427         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1428         conf->num_accept_mac = 1;
1429
1430         return 0;
1431 }
1432
1433
1434 #ifdef CONFIG_WPS_NFC
1435 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1436                            const struct wpabuf *pw, const u8 *pubkey_hash)
1437 {
1438         struct hostapd_data *hapd;
1439         struct wps_context *wps;
1440
1441         if (!wpa_s->ap_iface)
1442                 return -1;
1443         hapd = wpa_s->ap_iface->bss[0];
1444         wps = hapd->wps;
1445
1446         if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1447             wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1448                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1449                 return -1;
1450         }
1451
1452         dh5_free(wps->dh_ctx);
1453         wpabuf_free(wps->dh_pubkey);
1454         wpabuf_free(wps->dh_privkey);
1455         wps->dh_privkey = wpabuf_dup(
1456                 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1457         wps->dh_pubkey = wpabuf_dup(
1458                 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1459         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1460                 wps->dh_ctx = NULL;
1461                 wpabuf_free(wps->dh_pubkey);
1462                 wps->dh_pubkey = NULL;
1463                 wpabuf_free(wps->dh_privkey);
1464                 wps->dh_privkey = NULL;
1465                 return -1;
1466         }
1467         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1468         if (wps->dh_ctx == NULL)
1469                 return -1;
1470
1471         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1472                                               pw_id,
1473                                               pw ? wpabuf_head(pw) : NULL,
1474                                               pw ? wpabuf_len(pw) : 0, 1);
1475 }
1476 #endif /* CONFIG_WPS_NFC */
1477
1478
1479 #ifdef CONFIG_CTRL_IFACE
1480 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1481 {
1482         struct hostapd_data *hapd;
1483
1484         if (!wpa_s->ap_iface)
1485                 return -1;
1486         hapd = wpa_s->ap_iface->bss[0];
1487         return hostapd_ctrl_iface_stop_ap(hapd);
1488 }
1489
1490
1491 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1492                              size_t len)
1493 {
1494         size_t reply_len = 0, i;
1495         char ap_delimiter[] = "---- AP ----\n";
1496         char mesh_delimiter[] = "---- mesh ----\n";
1497         size_t dlen;
1498
1499         if (wpa_s->ap_iface) {
1500                 dlen = os_strlen(ap_delimiter);
1501                 if (dlen > len - reply_len)
1502                         return reply_len;
1503                 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1504                 reply_len += dlen;
1505
1506                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1507                         reply_len += hostapd_ctrl_iface_pmksa_list(
1508                                 wpa_s->ap_iface->bss[i],
1509                                 &buf[reply_len], len - reply_len);
1510                 }
1511         }
1512
1513         if (wpa_s->ifmsh) {
1514                 dlen = os_strlen(mesh_delimiter);
1515                 if (dlen > len - reply_len)
1516                         return reply_len;
1517                 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1518                 reply_len += dlen;
1519
1520                 reply_len += hostapd_ctrl_iface_pmksa_list(
1521                         wpa_s->ifmsh->bss[0], &buf[reply_len],
1522                         len - reply_len);
1523         }
1524
1525         return reply_len;
1526 }
1527
1528
1529 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1530 {
1531         size_t i;
1532
1533         if (wpa_s->ap_iface) {
1534                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1535                         hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1536         }
1537
1538         if (wpa_s->ifmsh)
1539                 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1540 }
1541
1542
1543 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1544 #ifdef CONFIG_MESH
1545
1546 int wpas_ap_pmksa_cache_list_mesh(struct wpa_supplicant *wpa_s, const u8 *addr,
1547                                   char *buf, size_t len)
1548 {
1549         return hostapd_ctrl_iface_pmksa_list_mesh(wpa_s->ifmsh->bss[0], addr,
1550                                                   &buf[0], len);
1551 }
1552
1553
1554 int wpas_ap_pmksa_cache_add_external(struct wpa_supplicant *wpa_s, char *cmd)
1555 {
1556         struct external_pmksa_cache *entry;
1557         void *pmksa_cache;
1558
1559         pmksa_cache = hostapd_ctrl_iface_pmksa_create_entry(wpa_s->own_addr,
1560                                                             cmd);
1561         if (!pmksa_cache)
1562                 return -1;
1563
1564         entry = os_zalloc(sizeof(struct external_pmksa_cache));
1565         if (!entry)
1566                 return -1;
1567
1568         entry->pmksa_cache = pmksa_cache;
1569
1570         dl_list_add(&wpa_s->mesh_external_pmksa_cache, &entry->list);
1571
1572         return 0;
1573 }
1574
1575 #endif /* CONFIG_MESH */
1576 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1577
1578 #endif /* CONFIG_CTRL_IFACE */
1579
1580
1581 #ifdef NEED_AP_MLME
1582 void wpas_ap_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1583                                       struct dfs_event *radar)
1584 {
1585         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1586                 return;
1587         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1588         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1589                                    radar->ht_enabled, radar->chan_offset,
1590                                    radar->chan_width,
1591                                    radar->cf1, radar->cf2);
1592 }
1593
1594
1595 void wpas_ap_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1596                                    struct dfs_event *radar)
1597 {
1598         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1599                 return;
1600         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1601         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1602                               radar->ht_enabled, radar->chan_offset,
1603                               radar->chan_width, radar->cf1, radar->cf2);
1604 }
1605
1606
1607 void wpas_ap_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1608                                     struct dfs_event *radar)
1609 {
1610         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1611                 return;
1612         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1613         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1614                                  radar->ht_enabled, radar->chan_offset,
1615                                  radar->chan_width, radar->cf1, radar->cf2);
1616 }
1617
1618
1619 void wpas_ap_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1620                                    struct dfs_event *radar)
1621 {
1622         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1623                 return;
1624         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1625         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1626                                  radar->ht_enabled, radar->chan_offset,
1627                                  radar->chan_width, radar->cf1, radar->cf2);
1628 }
1629
1630
1631 void wpas_ap_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1632                                         struct dfs_event *radar)
1633 {
1634         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1635                 return;
1636         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1637         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1638                                  radar->ht_enabled, radar->chan_offset,
1639                                  radar->chan_width, radar->cf1, radar->cf2);
1640 }
1641 #endif /* NEED_AP_MLME */
1642
1643
1644 void ap_periodic(struct wpa_supplicant *wpa_s)
1645 {
1646         if (wpa_s->ap_iface)
1647                 hostapd_periodic_iface(wpa_s->ap_iface);
1648 }