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 program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Alternatively, this software may be distributed under the terms of BSD
  11  * license.
  12  *
  13  * See README and COPYING for more details.
  14  */
  15
  16 #include "utils/includes.h"
  17
  18 #include "utils/common.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "ap/hostapd.h"
  21 #include "ap/ap_config.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 "eap_common/eap_defs.h"
  30 #include "eap_server/eap_methods.h"
  31 #include "eap_common/eap_wsc_common.h"
  32 #include "wps/wps.h"
  33 #include "common/ieee802_11_defs.h"
  34 #include "config_ssid.h"
  35 #include "config.h"
  36 #include "wpa_supplicant_i.h"
  37 #include "driver_i.h"
  38 #include "p2p_supplicant.h"
  39 #include "ap.h"
  40 #include "ap/sta_info.h"
  41
  42
  43 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
  44                                   struct wpa_ssid *ssid,
  45                                   struct hostapd_config *conf)
  46 {
  47         struct hostapd_bss_config *bss = &conf->bss[0];
  48         int pairwise;
  49
  50         conf->driver = wpa_s->driver;
  51
  52         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
  53
  54         if (ssid->frequency == 0) {
  55                 /* default channel 11 */
  56                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
  57                 conf->channel = 11;
  58         } else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
  59                 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
  60                 conf->channel = (ssid->frequency - 2407) / 5;
  61         } else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) ||
  62                    (ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
  63                 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
  64                 conf->channel = (ssid->frequency - 5000) / 5;
  65         } else {
  66                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
  67                            ssid->frequency);
  68                 return -1;
  69         }
  70
  71         /* TODO: enable HT if driver supports it;
  72          * drop to 11b if driver does not support 11g */
  73
  74 #ifdef CONFIG_P2P
  75         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
  76                 /* Remove 802.11b rates from supported and basic rate sets */
  77                 int *list = os_malloc(4 * sizeof(int));
  78                 if (list) {
  79                         list[0] = 60;
  80                         list[1] = 120;
  81                         list[2] = 240;
  82                         list[3] = -1;
  83                 }
  84                 conf->basic_rates = list;
  85
  86                 list = os_malloc(9 * sizeof(int));
  87                 if (list) {
  88                         list[0] = 60;
  89                         list[1] = 90;
  90                         list[2] = 120;
  91                         list[3] = 180;
  92                         list[4] = 240;
  93                         list[5] = 360;
  94                         list[6] = 480;
  95                         list[7] = 540;
  96                         list[8] = -1;
  97                 }
  98                 conf->supported_rates = list;
  99         }
 100 #endif /* CONFIG_P2P */
 101
 102         if (ssid->ssid_len == 0) {
 103                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 104                 return -1;
 105         }
 106         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 107         bss->ssid.ssid[ssid->ssid_len] = '\0';
 108         bss->ssid.ssid_len = ssid->ssid_len;
 109         bss->ssid.ssid_set = 1;
 110
 111         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 112                 bss->wpa = ssid->proto;
 113         bss->wpa_key_mgmt = ssid->key_mgmt;
 114         bss->wpa_pairwise = ssid->pairwise_cipher;
 115         if (ssid->passphrase) {
 116                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 117         } else if (ssid->psk_set) {
 118                 os_free(bss->ssid.wpa_psk);
 119                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 120                 if (bss->ssid.wpa_psk == NULL)
 121                         return -1;
 122                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 123                 bss->ssid.wpa_psk->group = 1;
 124         }
 125
 126         /* Select group cipher based on the enabled pairwise cipher suites */
 127         pairwise = 0;
 128         if (bss->wpa & 1)
 129                 pairwise |= bss->wpa_pairwise;
 130         if (bss->wpa & 2) {
 131                 if (bss->rsn_pairwise == 0)
 132                         bss->rsn_pairwise = bss->wpa_pairwise;
 133                 pairwise |= bss->rsn_pairwise;
 134         }
 135         if (pairwise & WPA_CIPHER_TKIP)
 136                 bss->wpa_group = WPA_CIPHER_TKIP;
 137         else
 138                 bss->wpa_group = WPA_CIPHER_CCMP;
 139
 140         if (bss->wpa && bss->ieee802_1x)
 141                 bss->ssid.security_policy = SECURITY_WPA;
 142         else if (bss->wpa)
 143                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 144         else if (bss->ieee802_1x) {
 145                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 146                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 147         } else if (bss->ssid.wep.keys_set)
 148                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 149         else
 150                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 151
 152 #ifdef CONFIG_WPS
 153         /*
 154          * Enable WPS by default, but require user interaction to actually use
 155          * it. Only the internal Registrar is supported.
 156          */
 157         bss->eap_server = 1;
 158         bss->wps_state = 2;
 159         bss->ap_setup_locked = 1;
 160         if (wpa_s->conf->config_methods)
 161                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 162         if (wpa_s->conf->device_type)
 163                 bss->device_type = os_strdup(wpa_s->conf->device_type);
 164         if (wpa_s->conf->device_name) {
 165                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 166                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 167         }
 168         if (wpa_s->conf->manufacturer)
 169                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 170         if (wpa_s->conf->model_name)
 171                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 172         if (wpa_s->conf->model_number)
 173                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 174         if (wpa_s->conf->serial_number)
 175                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 176         os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 177         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 178 #endif /* CONFIG_WPS */
 179
 180         return 0;
 181 }
 182
 183
 184 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 185 {
 186 #ifdef CONFIG_P2P
 187         struct wpa_supplicant *wpa_s = ctx;
 188         const struct ieee80211_mgmt *mgmt;
 189         size_t hdr_len;
 190
 191         mgmt = (const struct ieee80211_mgmt *) buf;
 192         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 193         if (hdr_len > len)
 194                 return;
 195         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 196                            mgmt->u.action.category,
 197                            &mgmt->u.action.u.vs_public_action.action,
 198                            len - hdr_len, freq);
 199 #endif /* CONFIG_P2P */
 200 }
 201
 202
 203 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 204 {
 205 #ifdef CONFIG_P2P
 206         struct wpa_supplicant *wpa_s = ctx;
 207         const struct ieee80211_mgmt *mgmt;
 208         size_t hdr_len;
 209
 210         mgmt = (const struct ieee80211_mgmt *) buf;
 211         hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
 212         if (hdr_len > len)
 213                 return -1;
 214         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 215                            mgmt->u.action.category,
 216                            &mgmt->u.action.u.vs_public_action.action,
 217                            len - hdr_len, freq);
 218 #endif /* CONFIG_P2P */
 219         return 0;
 220 }
 221
 222
 223 static int ap_probe_req_rx(void *ctx, const u8 *addr, const u8 *ie,
 224                            size_t ie_len)
 225 {
 226 #ifdef CONFIG_P2P
 227         struct wpa_supplicant *wpa_s = ctx;
 228         return wpas_p2p_probe_req_rx(wpa_s, addr, ie, ie_len);
 229 #else /* CONFIG_P2P */
 230         return 0;
 231 #endif /* CONFIG_P2P */
 232 }
 233
 234
 235 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 236                                   const u8 *uuid_e)
 237 {
 238 #ifdef CONFIG_P2P
 239         struct wpa_supplicant *wpa_s = ctx;
 240         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 241 #endif /* CONFIG_P2P */
 242 }
 243
 244
 245 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 246                              struct wpa_ssid *ssid)
 247 {
 248         struct wpa_driver_associate_params params;
 249         struct hostapd_iface *hapd_iface;
 250         struct hostapd_config *conf;
 251         size_t i;
 252
 253         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 254                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 255                 return -1;
 256         }
 257
 258         wpa_supplicant_ap_deinit(wpa_s);
 259
 260         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 261                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 262
 263         os_memset(&params, 0, sizeof(params));
 264         params.ssid = ssid->ssid;
 265         params.ssid_len = ssid->ssid_len;
 266         switch (ssid->mode) {
 267         case WPAS_MODE_INFRA:
 268                 params.mode = IEEE80211_MODE_INFRA;
 269                 break;
 270         case WPAS_MODE_IBSS:
 271                 params.mode = IEEE80211_MODE_IBSS;
 272                 break;
 273         case WPAS_MODE_AP:
 274         case WPAS_MODE_P2P_GO:
 275         case WPAS_MODE_P2P_GROUP_FORMATION:
 276                 params.mode = IEEE80211_MODE_AP;
 277                 break;
 278         }
 279         params.freq = ssid->frequency;
 280
 281         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 282                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 283         else
 284                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 285         params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
 286
 287         if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
 288                 wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
 289         else if (ssid->pairwise_cipher & WPA_CIPHER_TKIP)
 290                 wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
 291         else if (ssid->pairwise_cipher & WPA_CIPHER_NONE)
 292                 wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
 293         else {
 294                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 295                            "cipher.");
 296                 return -1;
 297         }
 298         params.pairwise_suite = cipher_suite2driver(wpa_s->pairwise_cipher);
 299         params.group_suite = params.pairwise_suite;
 300
 301 #ifdef CONFIG_P2P
 302         if (ssid->mode == WPAS_MODE_P2P_GO ||
 303             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 304                 params.p2p = 1;
 305         wpa_drv_set_intra_bss(wpa_s, wpa_s->conf->p2p_intra_bss);
 306 #endif /* CONFIG_P2P */
 307
 308         if (wpa_s->parent->set_ap_uapsd)
 309                 params.uapsd = wpa_s->parent->ap_uapsd;
 310         else
 311                 params.uapsd = -1;
 312
 313         if (wpa_drv_associate(wpa_s, &params) < 0) {
 314                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 315                 return -1;
 316         }
 317
 318         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 319         if (hapd_iface == NULL)
 320                 return -1;
 321         hapd_iface->owner = wpa_s;
 322
 323         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 324         if (conf == NULL) {
 325                 wpa_supplicant_ap_deinit(wpa_s);
 326                 return -1;
 327         }
 328
 329         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 330                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 331                 wpa_supplicant_ap_deinit(wpa_s);
 332                 return -1;
 333         }
 334
 335 #ifdef CONFIG_P2P
 336         if (ssid->mode == WPAS_MODE_P2P_GO)
 337                 conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 338         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 339                 conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 340                         P2P_GROUP_FORMATION;
 341 #endif /* CONFIG_P2P */
 342
 343         hapd_iface->num_bss = conf->num_bss;
 344         hapd_iface->bss = os_zalloc(conf->num_bss *
 345                                     sizeof(struct hostapd_data *));
 346         if (hapd_iface->bss == NULL) {
 347                 wpa_supplicant_ap_deinit(wpa_s);
 348                 return -1;
 349         }
 350
 351         for (i = 0; i < conf->num_bss; i++) {
 352                 hapd_iface->bss[i] =
 353                         hostapd_alloc_bss_data(hapd_iface, conf,
 354                                                &conf->bss[i]);
 355                 if (hapd_iface->bss[i] == NULL) {
 356                         wpa_supplicant_ap_deinit(wpa_s);
 357                         return -1;
 358                 }
 359
 360                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 361                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 362                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 363                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 364                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 365                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 366                                              ap_probe_req_rx, wpa_s);
 367                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 368                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 369 #ifdef CONFIG_P2P
 370                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 371                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(
 372                         wpa_s, ssid->p2p_persistent_group,
 373                         ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION);
 374 #endif /* CONFIG_P2P */
 375         }
 376
 377         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 378         hapd_iface->bss[0]->driver = wpa_s->driver;
 379         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 380
 381         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 382                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 383                 wpa_supplicant_ap_deinit(wpa_s);
 384                 return -1;
 385         }
 386
 387         wpa_s->current_ssid = ssid;
 388         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 389         wpa_s->assoc_freq = ssid->frequency;
 390         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 391
 392         if (wpa_s->ap_configured_cb)
 393                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 394                                         wpa_s->ap_configured_cb_data);
 395
 396         return 0;
 397 }
 398
 399
 400 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 401 {
 402         if (wpa_s->ap_iface == NULL)
 403                 return;
 404
 405         wpa_s->current_ssid = NULL;
 406 #ifdef CONFIG_P2P
 407         if (wpa_s->ap_iface->bss)
 408                 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
 409         wpas_p2p_group_deinit(wpa_s);
 410 #endif /* CONFIG_P2P */
 411         hostapd_interface_deinit(wpa_s->ap_iface);
 412         hostapd_interface_free(wpa_s->ap_iface);
 413         wpa_s->ap_iface = NULL;
 414         wpa_drv_deinit_ap(wpa_s);
 415 }
 416
 417
 418 void ap_tx_status(void *ctx, const u8 *addr,
 419                   const u8 *buf, size_t len, int ack)
 420 {
 421 #ifdef NEED_AP_MLME
 422         struct wpa_supplicant *wpa_s = ctx;
 423         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 424 #endif /* NEED_AP_MLME */
 425 }
 426
 427
 428 void ap_rx_from_unknown_sta(void *ctx, const u8 *frame, size_t len)
 429 {
 430 #ifdef NEED_AP_MLME
 431         struct wpa_supplicant *wpa_s = ctx;
 432         const struct ieee80211_hdr *hdr =
 433                 (const struct ieee80211_hdr *) frame;
 434         u16 fc = le_to_host16(hdr->frame_control);
 435         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], hdr->addr2,
 436                                    (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
 437                                    (WLAN_FC_TODS | WLAN_FC_FROMDS));
 438 #endif /* NEED_AP_MLME */
 439 }
 440
 441
 442 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 443 {
 444 #ifdef NEED_AP_MLME
 445         struct wpa_supplicant *wpa_s = ctx;
 446         struct hostapd_frame_info fi;
 447         os_memset(&fi, 0, sizeof(fi));
 448         fi.datarate = rx_mgmt->datarate;
 449         fi.ssi_signal = rx_mgmt->ssi_signal;
 450         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 451                         rx_mgmt->frame_len, &fi);
 452 #endif /* NEED_AP_MLME */
 453 }
 454
 455
 456 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 457 {
 458 #ifdef NEED_AP_MLME
 459         struct wpa_supplicant *wpa_s = ctx;
 460         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 461 #endif /* NEED_AP_MLME */
 462 }
 463
 464
 465 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 466                                 const u8 *src_addr, const u8 *buf, size_t len)
 467 {
 468         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 469 }
 470
 471
 472 #ifdef CONFIG_WPS
 473
 474 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
 475 {
 476         if (!wpa_s->ap_iface)
 477                 return -1;
 478         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0]);
 479 }
 480
 481
 482 static int wpa_supplicant_ap_wps_sta_cancel(struct hostapd_data *hapd,
 483                                             struct sta_info *sta, void *ctx)
 484 {
 485         if (sta && (sta->flags & WLAN_STA_WPS)) {
 486                 ap_sta_deauthenticate(hapd, sta,
 487                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 488                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 489                            __func__, MAC2STR(sta->addr));
 490                 return 1;
 491         }
 492
 493         return 0;
 494 }
 495
 496
 497 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 498 {
 499         struct wps_registrar *reg;
 500         int reg_sel = 0, wps_sta = 0;
 501
 502         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 503                 return -1;
 504
 505         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 506         reg_sel = wps_registrar_wps_cancel(reg);
 507         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 508                                   wpa_supplicant_ap_wps_sta_cancel, NULL);
 509
 510         if (!reg_sel && !wps_sta) {
 511                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 512                            "time");
 513                 return -1;
 514         }
 515
 516         /*
 517          * There are 2 cases to return wps cancel as success:
 518          * 1. When wps cancel was initiated but no connection has been
 519          *    established with client yet.
 520          * 2. Client is in the middle of exchanging WPS messages.
 521          */
 522
 523         return 0;
 524 }
 525
 526
 527 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 528                               const char *pin, char *buf, size_t buflen)
 529 {
 530         int ret, ret_len = 0;
 531
 532         if (!wpa_s->ap_iface)
 533                 return -1;
 534
 535         if (pin == NULL) {
 536                 unsigned int rpin = wps_generate_pin();
 537                 ret_len = os_snprintf(buf, buflen, "%d", rpin);
 538                 pin = buf;
 539         } else
 540                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 541
 542         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 543                                   0);
 544         if (ret)
 545                 return -1;
 546         return ret_len;
 547 }
 548
 549 #endif /* CONFIG_WPS */
 550
 551
 552 #ifdef CONFIG_CTRL_IFACE
 553
 554 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
 555                             char *buf, size_t buflen)
 556 {
 557         if (wpa_s->ap_iface == NULL)
 558                 return -1;
 559         return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
 560                                             buf, buflen);
 561 }
 562
 563
 564 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
 565                       char *buf, size_t buflen)
 566 {
 567         if (wpa_s->ap_iface == NULL)
 568                 return -1;
 569         return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
 570                                       buf, buflen);
 571 }
 572
 573
 574 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
 575                            char *buf, size_t buflen)
 576 {
 577         if (wpa_s->ap_iface == NULL)
 578                 return -1;
 579         return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
 580                                            buf, buflen);
 581 }
 582
 583
 584 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
 585                                  size_t buflen, int verbose)
 586 {
 587         char *pos = buf, *end = buf + buflen;
 588         int ret;
 589         struct hostapd_bss_config *conf;
 590
 591         if (wpa_s->ap_iface == NULL)
 592                 return -1;
 593
 594         conf = wpa_s->ap_iface->bss[0]->conf;
 595         if (conf->wpa == 0)
 596                 return 0;
 597
 598         ret = os_snprintf(pos, end - pos,
 599                           "pairwise_cipher=%s\n"
 600                           "group_cipher=%s\n"
 601                           "key_mgmt=%s\n",
 602                           wpa_cipher_txt(conf->rsn_pairwise),
 603                           wpa_cipher_txt(conf->wpa_group),
 604                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
 605                                            conf->wpa));
 606         if (ret < 0 || ret >= end - pos)
 607                 return pos - buf;
 608         pos += ret;
 609         return pos - buf;
 610 }
 611
 612 #endif /* CONFIG_CTRL_IFACE */
 613
 614
 615 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
 616 {
 617         struct hostapd_iface *iface = wpa_s->ap_iface;
 618         struct wpa_ssid *ssid = wpa_s->current_ssid;
 619         struct hostapd_data *hapd;
 620
 621         if (ssid == NULL || wpa_s->ap_iface == NULL)
 622                 return -1;
 623
 624 #ifdef CONFIG_P2P
 625         if (ssid->mode == WPAS_MODE_P2P_GO)
 626                 iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 627         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 628                 iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 629                         P2P_GROUP_FORMATION;
 630 #endif /* CONFIG_P2P */
 631
 632         ieee802_11_set_beacons(iface);
 633         hapd = iface->bss[0];
 634         hapd->drv.set_ap_wps_ie(hapd);
 635
 636         return 0;
 637 }
 638
 639
 640 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
 641                                       const u8 *addr)
 642 {
 643         struct hostapd_data *hapd;
 644         struct hostapd_bss_config *conf;
 645
 646         if (!wpa_s->ap_iface)
 647                 return -1;
 648
 649         if (addr)
 650                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
 651                            MAC2STR(addr));
 652         else
 653                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
 654
 655         hapd = wpa_s->ap_iface->bss[0];
 656         conf = hapd->conf;
 657
 658         os_free(conf->accept_mac);
 659         conf->accept_mac = NULL;
 660         conf->num_accept_mac = 0;
 661         os_free(conf->deny_mac);
 662         conf->deny_mac = NULL;
 663         conf->num_deny_mac = 0;
 664
 665         if (addr == NULL) {
 666                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
 667                 return 0;
 668         }
 669
 670         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
 671         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
 672         if (conf->accept_mac == NULL)
 673                 return -1;
 674         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
 675         conf->num_accept_mac = 1;
 676
 677         return 0;
 678 }