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