libeap/wpa_supplicant/ap.c

   1 /*
   2  * WPA Supplicant - Basic AP mode support routines
   3  * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2009, Atheros Communications
   5  *
   6  * This software may be distributed under the terms of the BSD license.
   7  * See README for more details.
   8  */
   9
  10 #include "utils/includes.h"
  11
  12 #include "utils/common.h"
  13 #include "utils/eloop.h"
  14 #include "utils/uuid.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eapol_supp/eapol_supp_sm.h"
  18 #include "crypto/dh_group5.h"
  19 #include "ap/hostapd.h"
  20 #include "ap/ap_config.h"
  21 #include "ap/ap_drv_ops.h"
  22 #ifdef NEED_AP_MLME
  23 #include "ap/ieee802_11.h"
  24 #endif /* NEED_AP_MLME */
  25 #include "ap/beacon.h"
  26 #include "ap/ieee802_1x.h"
  27 #include "ap/wps_hostapd.h"
  28 #include "ap/ctrl_iface_ap.h"
  29 #include "ap/dfs.h"
  30 #include "wps/wps.h"
  31 #include "common/ieee802_11_defs.h"
  32 #include "config_ssid.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "p2p_supplicant.h"
  37 #include "ap.h"
  38 #include "ap/sta_info.h"
  39 #include "notify.h"
  40
  41
  42 #ifdef CONFIG_WPS
  43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
  44 #endif /* CONFIG_WPS */
  45
  46
  47 #ifdef CONFIG_IEEE80211N
  48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
  49                              struct hostapd_config *conf,
  50                              struct hostapd_hw_modes *mode)
  51 {
  52 #ifdef CONFIG_P2P
  53         u8 center_chan = 0;
  54         u8 channel = conf->channel;
  55
  56         if (!conf->secondary_channel)
  57                 goto no_vht;
  58
  59         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  60         if (!center_chan)
  61                 goto no_vht;
  62
  63         /* Use 80 MHz channel */
  64         conf->vht_oper_chwidth = 1;
  65         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  66         return;
  67
  68 no_vht:
  69         conf->vht_oper_centr_freq_seg0_idx =
  70                 channel + conf->secondary_channel * 2;
  71 #else /* CONFIG_P2P */
  72         conf->vht_oper_centr_freq_seg0_idx =
  73                 conf->channel + conf->secondary_channel * 2;
  74 #endif /* CONFIG_P2P */
  75 }
  76 #endif /* CONFIG_IEEE80211N */
  77
  78
  79 void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
  80                                struct wpa_ssid *ssid,
  81                                struct hostapd_config *conf)
  82 {
  83         /* TODO: enable HT40 if driver supports it;
  84          * drop to 11b if driver does not support 11g */
  85
  86 #ifdef CONFIG_IEEE80211N
  87         /*
  88          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
  89          * and a mask of allowed capabilities within conf->ht_capab.
  90          * Using default config settings for: conf->ht_op_mode_fixed,
  91          * conf->secondary_channel, conf->require_ht
  92          */
  93         if (wpa_s->hw.modes) {
  94                 struct hostapd_hw_modes *mode = NULL;
  95                 int i, no_ht = 0;
  96                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
  97                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
  98                                 mode = &wpa_s->hw.modes[i];
  99                                 break;
 100                         }
 101                 }
 102
 103 #ifdef CONFIG_HT_OVERRIDES
 104                 if (ssid->disable_ht) {
 105                         conf->ieee80211n = 0;
 106                         conf->ht_capab = 0;
 107                         no_ht = 1;
 108                 }
 109 #endif /* CONFIG_HT_OVERRIDES */
 110
 111                 if (!no_ht && mode && mode->ht_capab) {
 112                         conf->ieee80211n = 1;
 113 #ifdef CONFIG_P2P
 114                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 115                             (mode->ht_capab &
 116                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 117                             ssid->ht40)
 118                                 conf->secondary_channel =
 119                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 120                                                                conf->channel);
 121                         if (conf->secondary_channel)
 122                                 conf->ht_capab |=
 123                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 124 #endif /* CONFIG_P2P */
 125
 126                         /*
 127                          * white-list capabilities that won't cause issues
 128                          * to connecting stations, while leaving the current
 129                          * capabilities intact (currently disabled SMPS).
 130                          */
 131                         conf->ht_capab |= mode->ht_capab &
 132                                 (HT_CAP_INFO_GREEN_FIELD |
 133                                  HT_CAP_INFO_SHORT_GI20MHZ |
 134                                  HT_CAP_INFO_SHORT_GI40MHZ |
 135                                  HT_CAP_INFO_RX_STBC_MASK |
 136                                  HT_CAP_INFO_TX_STBC |
 137                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 138
 139                         if (mode->vht_capab && ssid->vht) {
 140                                 conf->ieee80211ac = 1;
 141                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 142                         }
 143                 }
 144         }
 145
 146         if (conf->secondary_channel) {
 147                 struct wpa_supplicant *iface;
 148
 149                 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
 150                 {
 151                         if (iface == wpa_s ||
 152                             iface->wpa_state < WPA_AUTHENTICATING ||
 153                             (int) iface->assoc_freq != ssid->frequency)
 154                                 continue;
 155
 156                         /*
 157                          * Do not allow 40 MHz co-ex PRI/SEC switch to force us
 158                          * to change our PRI channel since we have an existing,
 159                          * concurrent connection on that channel and doing
 160                          * multi-channel concurrency is likely to cause more
 161                          * harm than using different PRI/SEC selection in
 162                          * environment with multiple BSSes on these two channels
 163                          * with mixed 20 MHz or PRI channel selection.
 164                          */
 165                         conf->no_pri_sec_switch = 1;
 166                 }
 167         }
 168 #endif /* CONFIG_IEEE80211N */
 169 }
 170
 171
 172 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 173                                   struct wpa_ssid *ssid,
 174                                   struct hostapd_config *conf)
 175 {
 176         struct hostapd_bss_config *bss = conf->bss[0];
 177
 178         conf->driver = wpa_s->driver;
 179
 180         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 181
 182         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 183                                                &conf->channel);
 184         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 185                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 186                            ssid->frequency);
 187                 return -1;
 188         }
 189
 190         wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
 191
 192         if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
 193                 conf->ieee80211h = 1;
 194                 conf->ieee80211d = 1;
 195                 conf->country[0] = wpa_s->conf->country[0];
 196                 conf->country[1] = wpa_s->conf->country[1];
 197         }
 198
 199 #ifdef CONFIG_P2P
 200         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 201             (ssid->mode == WPAS_MODE_P2P_GO ||
 202              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 203                 /* Remove 802.11b rates from supported and basic rate sets */
 204                 int *list = os_malloc(4 * sizeof(int));
 205                 if (list) {
 206                         list[0] = 60;
 207                         list[1] = 120;
 208                         list[2] = 240;
 209                         list[3] = -1;
 210                 }
 211                 conf->basic_rates = list;
 212
 213                 list = os_malloc(9 * sizeof(int));
 214                 if (list) {
 215                         list[0] = 60;
 216                         list[1] = 90;
 217                         list[2] = 120;
 218                         list[3] = 180;
 219                         list[4] = 240;
 220                         list[5] = 360;
 221                         list[6] = 480;
 222                         list[7] = 540;
 223                         list[8] = -1;
 224                 }
 225                 conf->supported_rates = list;
 226         }
 227
 228         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 229         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 230
 231         if (ssid->p2p_group) {
 232                 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
 233                 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
 234                           4);
 235                 os_memcpy(bss->ip_addr_start,
 236                           wpa_s->parent->conf->ip_addr_start, 4);
 237                 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
 238                           4);
 239         }
 240 #endif /* CONFIG_P2P */
 241
 242         if (ssid->ssid_len == 0) {
 243                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 244                 return -1;
 245         }
 246         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 247         bss->ssid.ssid_len = ssid->ssid_len;
 248         bss->ssid.ssid_set = 1;
 249
 250         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 251
 252         if (ssid->auth_alg)
 253                 bss->auth_algs = ssid->auth_alg;
 254
 255         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 256                 bss->wpa = ssid->proto;
 257         bss->wpa_key_mgmt = ssid->key_mgmt;
 258         bss->wpa_pairwise = ssid->pairwise_cipher;
 259         if (ssid->psk_set) {
 260                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 261                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 262                 if (bss->ssid.wpa_psk == NULL)
 263                         return -1;
 264                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 265                 bss->ssid.wpa_psk->group = 1;
 266         } else if (ssid->passphrase) {
 267                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 268         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 269                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 270                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 271                 int i;
 272                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 273                         if (ssid->wep_key_len[i] == 0)
 274                                 continue;
 275                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 276                         if (wep->key[i] == NULL)
 277                                 return -1;
 278                         os_memcpy(wep->key[i], ssid->wep_key[i],
 279                                   ssid->wep_key_len[i]);
 280                         wep->len[i] = ssid->wep_key_len[i];
 281                 }
 282                 wep->idx = ssid->wep_tx_keyidx;
 283                 wep->keys_set = 1;
 284         }
 285
 286         if (ssid->ap_max_inactivity)
 287                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 288
 289         if (ssid->dtim_period)
 290                 bss->dtim_period = ssid->dtim_period;
 291         else if (wpa_s->conf->dtim_period)
 292                 bss->dtim_period = wpa_s->conf->dtim_period;
 293
 294         if (ssid->beacon_int)
 295                 conf->beacon_int = ssid->beacon_int;
 296         else if (wpa_s->conf->beacon_int)
 297                 conf->beacon_int = wpa_s->conf->beacon_int;
 298
 299 #ifdef CONFIG_P2P
 300         if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 301                 wpa_printf(MSG_INFO,
 302                            "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 303                            wpa_s->conf->p2p_go_ctwindow, conf->beacon_int);
 304                 conf->p2p_go_ctwindow = 0;
 305         } else {
 306                 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 307         }
 308 #endif /* CONFIG_P2P */
 309
 310         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 311                 bss->rsn_pairwise = bss->wpa_pairwise;
 312         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 313                                                     bss->rsn_pairwise);
 314
 315         if (bss->wpa && bss->ieee802_1x)
 316                 bss->ssid.security_policy = SECURITY_WPA;
 317         else if (bss->wpa)
 318                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 319         else if (bss->ieee802_1x) {
 320                 int cipher = WPA_CIPHER_NONE;
 321                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 322                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 323                 if (bss->default_wep_key_len)
 324                         cipher = bss->default_wep_key_len >= 13 ?
 325                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 326                 bss->wpa_group = cipher;
 327                 bss->wpa_pairwise = cipher;
 328                 bss->rsn_pairwise = cipher;
 329         } else if (bss->ssid.wep.keys_set) {
 330                 int cipher = WPA_CIPHER_WEP40;
 331                 if (bss->ssid.wep.len[0] >= 13)
 332                         cipher = WPA_CIPHER_WEP104;
 333                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 334                 bss->wpa_group = cipher;
 335                 bss->wpa_pairwise = cipher;
 336                 bss->rsn_pairwise = cipher;
 337         } else {
 338                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 339                 bss->wpa_group = WPA_CIPHER_NONE;
 340                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 341                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 342         }
 343
 344         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 345             (bss->wpa_group == WPA_CIPHER_CCMP ||
 346              bss->wpa_group == WPA_CIPHER_GCMP ||
 347              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 348              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 349                 /*
 350                  * Strong ciphers do not need frequent rekeying, so increase
 351                  * the default GTK rekeying period to 24 hours.
 352                  */
 353                 bss->wpa_group_rekey = 86400;
 354         }
 355
 356 #ifdef CONFIG_IEEE80211W
 357         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 358                 bss->ieee80211w = ssid->ieee80211w;
 359 #endif /* CONFIG_IEEE80211W */
 360
 361 #ifdef CONFIG_WPS
 362         /*
 363          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 364          * require user interaction to actually use it. Only the internal
 365          * Registrar is supported.
 366          */
 367         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 368             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 369                 goto no_wps;
 370         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 371             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 372              !(bss->wpa & 2)))
 373                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 374                               * configuration */
 375         bss->eap_server = 1;
 376
 377         if (!ssid->ignore_broadcast_ssid)
 378                 bss->wps_state = 2;
 379
 380         bss->ap_setup_locked = 2;
 381         if (wpa_s->conf->config_methods)
 382                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 383         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 384                   WPS_DEV_TYPE_LEN);
 385         if (wpa_s->conf->device_name) {
 386                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 387                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 388         }
 389         if (wpa_s->conf->manufacturer)
 390                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 391         if (wpa_s->conf->model_name)
 392                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 393         if (wpa_s->conf->model_number)
 394                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 395         if (wpa_s->conf->serial_number)
 396                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 397         if (is_nil_uuid(wpa_s->conf->uuid))
 398                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 399         else
 400                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 401         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 402         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 403 no_wps:
 404 #endif /* CONFIG_WPS */
 405
 406         if (wpa_s->max_stations &&
 407             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 408                 bss->max_num_sta = wpa_s->max_stations;
 409         else
 410                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 411
 412         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 413
 414         if (wpa_s->conf->ap_vendor_elements) {
 415                 bss->vendor_elements =
 416                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 417         }
 418
 419         return 0;
 420 }
 421
 422
 423 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 424 {
 425 #ifdef CONFIG_P2P
 426         struct wpa_supplicant *wpa_s = ctx;
 427         const struct ieee80211_mgmt *mgmt;
 428
 429         mgmt = (const struct ieee80211_mgmt *) buf;
 430         if (len < IEEE80211_HDRLEN + 1)
 431                 return;
 432         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 433                 return;
 434         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 435                            mgmt->u.action.category,
 436                            buf + IEEE80211_HDRLEN + 1,
 437                            len - IEEE80211_HDRLEN - 1, freq);
 438 #endif /* CONFIG_P2P */
 439 }
 440
 441
 442 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 443                             union wps_event_data *data)
 444 {
 445 #ifdef CONFIG_P2P
 446         struct wpa_supplicant *wpa_s = ctx;
 447
 448         if (event == WPS_EV_FAIL) {
 449                 struct wps_event_fail *fail = &data->fail;
 450
 451                 if (wpa_s->parent && wpa_s->parent != wpa_s &&
 452                     wpa_s == wpa_s->global->p2p_group_formation) {
 453                         /*
 454                          * src/ap/wps_hostapd.c has already sent this on the
 455                          * main interface, so only send on the parent interface
 456                          * here if needed.
 457                          */
 458                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 459                                 "msg=%d config_error=%d",
 460                                 fail->msg, fail->config_error);
 461                 }
 462                 wpas_p2p_wps_failed(wpa_s, fail);
 463         }
 464 #endif /* CONFIG_P2P */
 465 }
 466
 467
 468 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 469                                  int authorized, const u8 *p2p_dev_addr)
 470 {
 471         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 472 }
 473
 474
 475 #ifdef CONFIG_P2P
 476 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 477                           const u8 *psk, size_t psk_len)
 478 {
 479
 480         struct wpa_supplicant *wpa_s = ctx;
 481         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 482                 return;
 483         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 484 }
 485 #endif /* CONFIG_P2P */
 486
 487
 488 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 489 {
 490 #ifdef CONFIG_P2P
 491         struct wpa_supplicant *wpa_s = ctx;
 492         const struct ieee80211_mgmt *mgmt;
 493
 494         mgmt = (const struct ieee80211_mgmt *) buf;
 495         if (len < IEEE80211_HDRLEN + 1)
 496                 return -1;
 497         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 498                            mgmt->u.action.category,
 499                            buf + IEEE80211_HDRLEN + 1,
 500                            len - IEEE80211_HDRLEN - 1, freq);
 501 #endif /* CONFIG_P2P */
 502         return 0;
 503 }
 504
 505
 506 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 507                            const u8 *bssid, const u8 *ie, size_t ie_len,
 508                            int ssi_signal)
 509 {
 510         struct wpa_supplicant *wpa_s = ctx;
 511         unsigned int freq = 0;
 512
 513         if (wpa_s->ap_iface)
 514                 freq = wpa_s->ap_iface->freq;
 515
 516         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 517                                      freq, ssi_signal);
 518 }
 519
 520
 521 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 522                                   const u8 *uuid_e)
 523 {
 524         struct wpa_supplicant *wpa_s = ctx;
 525         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 526 }
 527
 528
 529 static void wpas_ap_configured_cb(void *ctx)
 530 {
 531         struct wpa_supplicant *wpa_s = ctx;
 532
 533         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 534
 535         if (wpa_s->ap_configured_cb)
 536                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 537                                         wpa_s->ap_configured_cb_data);
 538 }
 539
 540
 541 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 542                              struct wpa_ssid *ssid)
 543 {
 544         struct wpa_driver_associate_params params;
 545         struct hostapd_iface *hapd_iface;
 546         struct hostapd_config *conf;
 547         size_t i;
 548
 549         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 550                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 551                 return -1;
 552         }
 553
 554         wpa_supplicant_ap_deinit(wpa_s);
 555
 556         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 557                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 558
 559         os_memset(&params, 0, sizeof(params));
 560         params.ssid = ssid->ssid;
 561         params.ssid_len = ssid->ssid_len;
 562         switch (ssid->mode) {
 563         case WPAS_MODE_AP:
 564         case WPAS_MODE_P2P_GO:
 565         case WPAS_MODE_P2P_GROUP_FORMATION:
 566                 params.mode = IEEE80211_MODE_AP;
 567                 break;
 568         default:
 569                 return -1;
 570         }
 571         if (ssid->frequency == 0)
 572                 ssid->frequency = 2462; /* default channel 11 */
 573         params.freq.freq = ssid->frequency;
 574
 575         params.wpa_proto = ssid->proto;
 576         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 577                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 578         else
 579                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 580         params.key_mgmt_suite = wpa_s->key_mgmt;
 581
 582         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 583                                                           1);
 584         if (wpa_s->pairwise_cipher < 0) {
 585                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 586                            "cipher.");
 587                 return -1;
 588         }
 589         params.pairwise_suite = wpa_s->pairwise_cipher;
 590         params.group_suite = params.pairwise_suite;
 591
 592 #ifdef CONFIG_P2P
 593         if (ssid->mode == WPAS_MODE_P2P_GO ||
 594             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 595                 params.p2p = 1;
 596 #endif /* CONFIG_P2P */
 597
 598         if (wpa_s->parent->set_ap_uapsd)
 599                 params.uapsd = wpa_s->parent->ap_uapsd;
 600         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 601                 params.uapsd = 1; /* mandatory for P2P GO */
 602         else
 603                 params.uapsd = -1;
 604
 605         if (ieee80211_is_dfs(params.freq.freq))
 606                 params.freq.freq = 0; /* set channel after CAC */
 607
 608         if (wpa_drv_associate(wpa_s, &params) < 0) {
 609                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 610                 return -1;
 611         }
 612
 613         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 614         if (hapd_iface == NULL)
 615                 return -1;
 616         hapd_iface->owner = wpa_s;
 617         hapd_iface->drv_flags = wpa_s->drv_flags;
 618         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 619         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 620         hapd_iface->extended_capa = wpa_s->extended_capa;
 621         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 622         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 623
 624         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 625         if (conf == NULL) {
 626                 wpa_supplicant_ap_deinit(wpa_s);
 627                 return -1;
 628         }
 629
 630         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 631                   wpa_s->conf->wmm_ac_params,
 632                   sizeof(wpa_s->conf->wmm_ac_params));
 633
 634         if (params.uapsd > 0) {
 635                 conf->bss[0]->wmm_enabled = 1;
 636                 conf->bss[0]->wmm_uapsd = 1;
 637         }
 638
 639         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 640                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 641                 wpa_supplicant_ap_deinit(wpa_s);
 642                 return -1;
 643         }
 644
 645 #ifdef CONFIG_P2P
 646         if (ssid->mode == WPAS_MODE_P2P_GO)
 647                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 648         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 649                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 650                         P2P_GROUP_FORMATION;
 651 #endif /* CONFIG_P2P */
 652
 653         hapd_iface->num_bss = conf->num_bss;
 654         hapd_iface->bss = os_calloc(conf->num_bss,
 655                                     sizeof(struct hostapd_data *));
 656         if (hapd_iface->bss == NULL) {
 657                 wpa_supplicant_ap_deinit(wpa_s);
 658                 return -1;
 659         }
 660
 661         for (i = 0; i < conf->num_bss; i++) {
 662                 hapd_iface->bss[i] =
 663                         hostapd_alloc_bss_data(hapd_iface, conf,
 664                                                conf->bss[i]);
 665                 if (hapd_iface->bss[i] == NULL) {
 666                         wpa_supplicant_ap_deinit(wpa_s);
 667                         return -1;
 668                 }
 669
 670                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 671                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
 672                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 673                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 674                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 675                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 676                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 677                                              ap_probe_req_rx, wpa_s);
 678                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 679                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 680                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 681                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 682                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 683                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 684 #ifdef CONFIG_P2P
 685                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 686                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 687                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 688                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 689                                                                     ssid);
 690 #endif /* CONFIG_P2P */
 691                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 692                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 693 #ifdef CONFIG_TESTING_OPTIONS
 694                 hapd_iface->bss[i]->ext_eapol_frame_io =
 695                         wpa_s->ext_eapol_frame_io;
 696 #endif /* CONFIG_TESTING_OPTIONS */
 697         }
 698
 699         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 700         hapd_iface->bss[0]->driver = wpa_s->driver;
 701         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 702
 703         wpa_s->current_ssid = ssid;
 704         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 705         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 706         wpa_s->assoc_freq = ssid->frequency;
 707
 708         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 709                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 710                 wpa_supplicant_ap_deinit(wpa_s);
 711                 return -1;
 712         }
 713
 714         return 0;
 715 }
 716
 717
 718 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 719 {
 720 #ifdef CONFIG_WPS
 721         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 722 #endif /* CONFIG_WPS */
 723
 724         if (wpa_s->ap_iface == NULL)
 725                 return;
 726
 727         wpa_s->current_ssid = NULL;
 728         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 729         wpa_s->assoc_freq = 0;
 730         wpas_p2p_ap_deinit(wpa_s);
 731         wpa_s->ap_iface->driver_ap_teardown =
 732                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 733
 734         hostapd_interface_deinit(wpa_s->ap_iface);
 735         hostapd_interface_free(wpa_s->ap_iface);
 736         wpa_s->ap_iface = NULL;
 737         wpa_drv_deinit_ap(wpa_s);
 738         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 739                 " reason=%d locally_generated=1",
 740                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 741 }
 742
 743
 744 void ap_tx_status(void *ctx, const u8 *addr,
 745                   const u8 *buf, size_t len, int ack)
 746 {
 747 #ifdef NEED_AP_MLME
 748         struct wpa_supplicant *wpa_s = ctx;
 749         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 750 #endif /* NEED_AP_MLME */
 751 }
 752
 753
 754 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 755                         const u8 *data, size_t len, int ack)
 756 {
 757 #ifdef NEED_AP_MLME
 758         struct wpa_supplicant *wpa_s = ctx;
 759         if (!wpa_s->ap_iface)
 760                 return;
 761         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 762 #endif /* NEED_AP_MLME */
 763 }
 764
 765
 766 void ap_client_poll_ok(void *ctx, const u8 *addr)
 767 {
 768 #ifdef NEED_AP_MLME
 769         struct wpa_supplicant *wpa_s = ctx;
 770         if (wpa_s->ap_iface)
 771                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 772 #endif /* NEED_AP_MLME */
 773 }
 774
 775
 776 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 777 {
 778 #ifdef NEED_AP_MLME
 779         struct wpa_supplicant *wpa_s = ctx;
 780         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 781 #endif /* NEED_AP_MLME */
 782 }
 783
 784
 785 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 786 {
 787 #ifdef NEED_AP_MLME
 788         struct wpa_supplicant *wpa_s = ctx;
 789         struct hostapd_frame_info fi;
 790         os_memset(&fi, 0, sizeof(fi));
 791         fi.datarate = rx_mgmt->datarate;
 792         fi.ssi_signal = rx_mgmt->ssi_signal;
 793         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 794                         rx_mgmt->frame_len, &fi);
 795 #endif /* NEED_AP_MLME */
 796 }
 797
 798
 799 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 800 {
 801 #ifdef NEED_AP_MLME
 802         struct wpa_supplicant *wpa_s = ctx;
 803         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 804 #endif /* NEED_AP_MLME */
 805 }
 806
 807
 808 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 809                                 const u8 *src_addr, const u8 *buf, size_t len)
 810 {
 811         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 812 }
 813
 814
 815 #ifdef CONFIG_WPS
 816
 817 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 818                               const u8 *p2p_dev_addr)
 819 {
 820         if (!wpa_s->ap_iface)
 821                 return -1;
 822         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 823                                          p2p_dev_addr);
 824 }
 825
 826
 827 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 828 {
 829         struct wps_registrar *reg;
 830         int reg_sel = 0, wps_sta = 0;
 831
 832         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 833                 return -1;
 834
 835         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 836         reg_sel = wps_registrar_wps_cancel(reg);
 837         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 838                                   ap_sta_wps_cancel, NULL);
 839
 840         if (!reg_sel && !wps_sta) {
 841                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 842                            "time");
 843                 return -1;
 844         }
 845
 846         /*
 847          * There are 2 cases to return wps cancel as success:
 848          * 1. When wps cancel was initiated but no connection has been
 849          *    established with client yet.
 850          * 2. Client is in the middle of exchanging WPS messages.
 851          */
 852
 853         return 0;
 854 }
 855
 856
 857 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 858                               const char *pin, char *buf, size_t buflen,
 859                               int timeout)
 860 {
 861         int ret, ret_len = 0;
 862
 863         if (!wpa_s->ap_iface)
 864                 return -1;
 865
 866         if (pin == NULL) {
 867                 unsigned int rpin = wps_generate_pin();
 868                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 869                 if (os_snprintf_error(buflen, ret_len))
 870                         return -1;
 871                 pin = buf;
 872         } else if (buf) {
 873                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 874                 if (os_snprintf_error(buflen, ret_len))
 875                         return -1;
 876         }
 877
 878         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 879                                   timeout);
 880         if (ret)
 881                 return -1;
 882         return ret_len;
 883 }
 884
 885
 886 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 887 {
 888         struct wpa_supplicant *wpa_s = eloop_data;
 889         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 890         wpas_wps_ap_pin_disable(wpa_s);
 891 }
 892
 893
 894 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 895 {
 896         struct hostapd_data *hapd;
 897
 898         if (wpa_s->ap_iface == NULL)
 899                 return;
 900         hapd = wpa_s->ap_iface->bss[0];
 901         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 902         hapd->ap_pin_failures = 0;
 903         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 904         if (timeout > 0)
 905                 eloop_register_timeout(timeout, 0,
 906                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 907 }
 908
 909
 910 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 911 {
 912         struct hostapd_data *hapd;
 913
 914         if (wpa_s->ap_iface == NULL)
 915                 return;
 916         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 917         hapd = wpa_s->ap_iface->bss[0];
 918         os_free(hapd->conf->ap_pin);
 919         hapd->conf->ap_pin = NULL;
 920         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 921 }
 922
 923
 924 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 925 {
 926         struct hostapd_data *hapd;
 927         unsigned int pin;
 928         char pin_txt[9];
 929
 930         if (wpa_s->ap_iface == NULL)
 931                 return NULL;
 932         hapd = wpa_s->ap_iface->bss[0];
 933         pin = wps_generate_pin();
 934         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
 935         os_free(hapd->conf->ap_pin);
 936         hapd->conf->ap_pin = os_strdup(pin_txt);
 937         if (hapd->conf->ap_pin == NULL)
 938                 return NULL;
 939         wpas_wps_ap_pin_enable(wpa_s, timeout);
 940
 941         return hapd->conf->ap_pin;
 942 }
 943
 944
 945 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
 946 {
 947         struct hostapd_data *hapd;
 948         if (wpa_s->ap_iface == NULL)
 949                 return NULL;
 950         hapd = wpa_s->ap_iface->bss[0];
 951         return hapd->conf->ap_pin;
 952 }
 953
 954
 955 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
 956                         int timeout)
 957 {
 958         struct hostapd_data *hapd;
 959         char pin_txt[9];
 960         int ret;
 961
 962         if (wpa_s->ap_iface == NULL)
 963                 return -1;
 964         hapd = wpa_s->ap_iface->bss[0];
 965         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
 966         if (os_snprintf_error(sizeof(pin_txt), ret))
 967                 return -1;
 968         os_free(hapd->conf->ap_pin);
 969         hapd->conf->ap_pin = os_strdup(pin_txt);
 970         if (hapd->conf->ap_pin == NULL)
 971                 return -1;
 972         wpas_wps_ap_pin_enable(wpa_s, timeout);
 973
 974         return 0;
 975 }
 976
 977
 978 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
 979 {
 980         struct hostapd_data *hapd;
 981
 982         if (wpa_s->ap_iface == NULL)
 983                 return;
 984         hapd = wpa_s->ap_iface->bss[0];
 985
 986         /*
 987          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
 988          * PIN if this happens multiple times to slow down brute force attacks.
 989          */
 990         hapd->ap_pin_failures++;
 991         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
 992                    hapd->ap_pin_failures);
 993         if (hapd->ap_pin_failures < 3)
 994                 return;
 995
 996         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
 997         hapd->ap_pin_failures = 0;
 998         os_free(hapd->conf->ap_pin);
 999         hapd->conf->ap_pin = NULL;
1000 }
1001
1002
1003 #ifdef CONFIG_WPS_NFC
1004
1005 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1006                                              int ndef)
1007 {
1008         struct hostapd_data *hapd;
1009
1010         if (wpa_s->ap_iface == NULL)
1011                 return NULL;
1012         hapd = wpa_s->ap_iface->bss[0];
1013         return hostapd_wps_nfc_config_token(hapd, ndef);
1014 }
1015
1016
1017 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1018                                              int ndef)
1019 {
1020         struct hostapd_data *hapd;
1021
1022         if (wpa_s->ap_iface == NULL)
1023                 return NULL;
1024         hapd = wpa_s->ap_iface->bss[0];
1025         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1026 }
1027
1028
1029 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1030                                     const struct wpabuf *req,
1031                                     const struct wpabuf *sel)
1032 {
1033         struct hostapd_data *hapd;
1034
1035         if (wpa_s->ap_iface == NULL)
1036                 return -1;
1037         hapd = wpa_s->ap_iface->bss[0];
1038         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1039 }
1040
1041 #endif /* CONFIG_WPS_NFC */
1042
1043 #endif /* CONFIG_WPS */
1044
1045
1046 #ifdef CONFIG_CTRL_IFACE
1047
1048 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1049                             char *buf, size_t buflen)
1050 {
1051         struct hostapd_data *hapd;
1052
1053         if (wpa_s->ap_iface)
1054                 hapd = wpa_s->ap_iface->bss[0];
1055         else if (wpa_s->ifmsh)
1056                 hapd = wpa_s->ifmsh->bss[0];
1057         else
1058                 return -1;
1059         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1060 }
1061
1062
1063 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1064                       char *buf, size_t buflen)
1065 {
1066         struct hostapd_data *hapd;
1067
1068         if (wpa_s->ap_iface)
1069                 hapd = wpa_s->ap_iface->bss[0];
1070         else if (wpa_s->ifmsh)
1071                 hapd = wpa_s->ifmsh->bss[0];
1072         else
1073                 return -1;
1074         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1075 }
1076
1077
1078 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1079                            char *buf, size_t buflen)
1080 {
1081         struct hostapd_data *hapd;
1082
1083         if (wpa_s->ap_iface)
1084                 hapd = wpa_s->ap_iface->bss[0];
1085         else if (wpa_s->ifmsh)
1086                 hapd = wpa_s->ifmsh->bss[0];
1087         else
1088                 return -1;
1089         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1090 }
1091
1092
1093 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1094                                    const char *txtaddr)
1095 {
1096         if (wpa_s->ap_iface == NULL)
1097                 return -1;
1098         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1099                                                txtaddr);
1100 }
1101
1102
1103 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1104                                      const char *txtaddr)
1105 {
1106         if (wpa_s->ap_iface == NULL)
1107                 return -1;
1108         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1109                                                  txtaddr);
1110 }
1111
1112
1113 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1114                                  size_t buflen, int verbose)
1115 {
1116         char *pos = buf, *end = buf + buflen;
1117         int ret;
1118         struct hostapd_bss_config *conf;
1119
1120         if (wpa_s->ap_iface == NULL)
1121                 return -1;
1122
1123         conf = wpa_s->ap_iface->bss[0]->conf;
1124         if (conf->wpa == 0)
1125                 return 0;
1126
1127         ret = os_snprintf(pos, end - pos,
1128                           "pairwise_cipher=%s\n"
1129                           "group_cipher=%s\n"
1130                           "key_mgmt=%s\n",
1131                           wpa_cipher_txt(conf->rsn_pairwise),
1132                           wpa_cipher_txt(conf->wpa_group),
1133                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1134                                            conf->wpa));
1135         if (os_snprintf_error(end - pos, ret))
1136                 return pos - buf;
1137         pos += ret;
1138         return pos - buf;
1139 }
1140
1141 #endif /* CONFIG_CTRL_IFACE */
1142
1143
1144 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1145 {
1146         struct hostapd_iface *iface = wpa_s->ap_iface;
1147         struct wpa_ssid *ssid = wpa_s->current_ssid;
1148         struct hostapd_data *hapd;
1149
1150         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1151             ssid->mode == WPAS_MODE_INFRA ||
1152             ssid->mode == WPAS_MODE_IBSS)
1153                 return -1;
1154
1155 #ifdef CONFIG_P2P
1156         if (ssid->mode == WPAS_MODE_P2P_GO)
1157                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1158         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1159                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1160                         P2P_GROUP_FORMATION;
1161 #endif /* CONFIG_P2P */
1162
1163         hapd = iface->bss[0];
1164         if (hapd->drv_priv == NULL)
1165                 return -1;
1166         ieee802_11_set_beacons(iface);
1167         hostapd_set_ap_wps_ie(hapd);
1168
1169         return 0;
1170 }
1171
1172
1173 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1174                       struct csa_settings *settings)
1175 {
1176 #ifdef NEED_AP_MLME
1177         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1178                 return -1;
1179
1180         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1181 #else /* NEED_AP_MLME */
1182         return -1;
1183 #endif /* NEED_AP_MLME */
1184 }
1185
1186
1187 #ifdef CONFIG_CTRL_IFACE
1188 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1189 {
1190         struct csa_settings settings;
1191         int ret = hostapd_parse_csa_settings(pos, &settings);
1192
1193         if (ret)
1194                 return ret;
1195
1196         return ap_switch_channel(wpa_s, &settings);
1197 }
1198 #endif /* CONFIG_CTRL_IFACE */
1199
1200
1201 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1202                        int offset, int width, int cf1, int cf2)
1203 {
1204         if (!wpa_s->ap_iface)
1205                 return;
1206
1207         wpa_s->assoc_freq = freq;
1208         if (wpa_s->current_ssid)
1209                 wpa_s->current_ssid->frequency = freq;
1210         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1211                                 offset, width, cf1, cf2);
1212 }
1213
1214
1215 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1216                                       const u8 *addr)
1217 {
1218         struct hostapd_data *hapd;
1219         struct hostapd_bss_config *conf;
1220
1221         if (!wpa_s->ap_iface)
1222                 return -1;
1223
1224         if (addr)
1225                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1226                            MAC2STR(addr));
1227         else
1228                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1229
1230         hapd = wpa_s->ap_iface->bss[0];
1231         conf = hapd->conf;
1232
1233         os_free(conf->accept_mac);
1234         conf->accept_mac = NULL;
1235         conf->num_accept_mac = 0;
1236         os_free(conf->deny_mac);
1237         conf->deny_mac = NULL;
1238         conf->num_deny_mac = 0;
1239
1240         if (addr == NULL) {
1241                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1242                 return 0;
1243         }
1244
1245         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1246         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1247         if (conf->accept_mac == NULL)
1248                 return -1;
1249         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1250         conf->num_accept_mac = 1;
1251
1252         return 0;
1253 }
1254
1255
1256 #ifdef CONFIG_WPS_NFC
1257 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1258                            const struct wpabuf *pw, const u8 *pubkey_hash)
1259 {
1260         struct hostapd_data *hapd;
1261         struct wps_context *wps;
1262
1263         if (!wpa_s->ap_iface)
1264                 return -1;
1265         hapd = wpa_s->ap_iface->bss[0];
1266         wps = hapd->wps;
1267
1268         if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1269             wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1270                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1271                 return -1;
1272         }
1273
1274         dh5_free(wps->dh_ctx);
1275         wpabuf_free(wps->dh_pubkey);
1276         wpabuf_free(wps->dh_privkey);
1277         wps->dh_privkey = wpabuf_dup(
1278                 wpa_s->parent->conf->wps_nfc_dh_privkey);
1279         wps->dh_pubkey = wpabuf_dup(
1280                 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1281         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1282                 wps->dh_ctx = NULL;
1283                 wpabuf_free(wps->dh_pubkey);
1284                 wps->dh_pubkey = NULL;
1285                 wpabuf_free(wps->dh_privkey);
1286                 wps->dh_privkey = NULL;
1287                 return -1;
1288         }
1289         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1290         if (wps->dh_ctx == NULL)
1291                 return -1;
1292
1293         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1294                                               pw_id,
1295                                               pw ? wpabuf_head(pw) : NULL,
1296                                               pw ? wpabuf_len(pw) : 0, 1);
1297 }
1298 #endif /* CONFIG_WPS_NFC */
1299
1300
1301 #ifdef CONFIG_CTRL_IFACE
1302 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1303 {
1304         struct hostapd_data *hapd;
1305
1306         if (!wpa_s->ap_iface)
1307                 return -1;
1308         hapd = wpa_s->ap_iface->bss[0];
1309         return hostapd_ctrl_iface_stop_ap(hapd);
1310 }
1311 #endif /* CONFIG_CTRL_IFACE */
1312
1313
1314 #ifdef NEED_AP_MLME
1315 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1316                                    struct dfs_event *radar)
1317 {
1318         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1319                 return;
1320         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1321         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1322                                    radar->ht_enabled, radar->chan_offset,
1323                                    radar->chan_width,
1324                                    radar->cf1, radar->cf2);
1325 }
1326
1327
1328 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1329                                 struct dfs_event *radar)
1330 {
1331         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1332                 return;
1333         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1334         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1335                               radar->ht_enabled, radar->chan_offset,
1336                               radar->chan_width, radar->cf1, radar->cf2);
1337 }
1338
1339
1340 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1341                                  struct dfs_event *radar)
1342 {
1343         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1344                 return;
1345         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1346         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1347                                  radar->ht_enabled, radar->chan_offset,
1348                                  radar->chan_width, radar->cf1, radar->cf2);
1349 }
1350
1351
1352 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1353                                 struct dfs_event *radar)
1354 {
1355         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1356                 return;
1357         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1358         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1359                                  radar->ht_enabled, radar->chan_offset,
1360                                  radar->chan_width, radar->cf1, radar->cf2);
1361 }
1362
1363
1364 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1365                                      struct dfs_event *radar)
1366 {
1367         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1368                 return;
1369         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1370         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1371                                  radar->ht_enabled, radar->chan_offset,
1372                                  radar->chan_width, radar->cf1, radar->cf2);
1373 }
1374 #endif /* NEED_AP_MLME */
1375
1376
1377 void ap_periodic(struct wpa_supplicant *wpa_s)
1378 {
1379         if (wpa_s->ap_iface)
1380                 hostapd_periodic_iface(wpa_s->ap_iface);
1381 }