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