ap.c revision 1.1.1.3.4.1.6.1
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 switch (conf->vht_oper_chwidth) { 60 case VHT_CHANWIDTH_80MHZ: 61 case VHT_CHANWIDTH_80P80MHZ: 62 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel); 63 break; 64 case VHT_CHANWIDTH_160MHZ: 65 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel); 66 break; 67 default: 68 /* 69 * conf->vht_oper_chwidth might not be set for non-P2P GO cases, 70 * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is 71 * not supported. 72 */ 73 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ; 74 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel); 75 if (!center_chan) { 76 conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; 77 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, 78 channel); 79 } 80 break; 81 } 82 if (!center_chan) 83 goto no_vht; 84 85 conf->vht_oper_centr_freq_seg0_idx = center_chan; 86 return; 87 88 no_vht: 89 conf->vht_oper_centr_freq_seg0_idx = 90 channel + conf->secondary_channel * 2; 91 #else /* CONFIG_P2P */ 92 conf->vht_oper_centr_freq_seg0_idx = 93 conf->channel + conf->secondary_channel * 2; 94 #endif /* CONFIG_P2P */ 95 conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; 96 } 97 #endif /* CONFIG_IEEE80211N */ 98 99 100 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s, 101 struct wpa_ssid *ssid, 102 struct hostapd_config *conf) 103 { 104 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, 105 &conf->channel); 106 107 if (conf->hw_mode == NUM_HOSTAPD_MODES) { 108 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz", 109 ssid->frequency); 110 return -1; 111 } 112 113 /* TODO: enable HT40 if driver supports it; 114 * drop to 11b if driver does not support 11g */ 115 116 #ifdef CONFIG_IEEE80211N 117 /* 118 * Enable HT20 if the driver supports it, by setting conf->ieee80211n 119 * and a mask of allowed capabilities within conf->ht_capab. 120 * Using default config settings for: conf->ht_op_mode_fixed, 121 * conf->secondary_channel, conf->require_ht 122 */ 123 if (wpa_s->hw.modes) { 124 struct hostapd_hw_modes *mode = NULL; 125 int i, no_ht = 0; 126 for (i = 0; i < wpa_s->hw.num_modes; i++) { 127 if (wpa_s->hw.modes[i].mode == conf->hw_mode) { 128 mode = &wpa_s->hw.modes[i]; 129 break; 130 } 131 } 132 133 #ifdef CONFIG_HT_OVERRIDES 134 if (ssid->disable_ht) { 135 conf->ieee80211n = 0; 136 conf->ht_capab = 0; 137 no_ht = 1; 138 } 139 #endif /* CONFIG_HT_OVERRIDES */ 140 141 if (!no_ht && mode && mode->ht_capab) { 142 conf->ieee80211n = 1; 143 #ifdef CONFIG_P2P 144 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && 145 (mode->ht_capab & 146 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) && 147 ssid->ht40) 148 conf->secondary_channel = 149 wpas_p2p_get_ht40_mode(wpa_s, mode, 150 conf->channel); 151 if (conf->secondary_channel) 152 conf->ht_capab |= 153 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET; 154 #endif /* CONFIG_P2P */ 155 156 /* 157 * white-list capabilities that won't cause issues 158 * to connecting stations, while leaving the current 159 * capabilities intact (currently disabled SMPS). 160 */ 161 conf->ht_capab |= mode->ht_capab & 162 (HT_CAP_INFO_GREEN_FIELD | 163 HT_CAP_INFO_SHORT_GI20MHZ | 164 HT_CAP_INFO_SHORT_GI40MHZ | 165 HT_CAP_INFO_RX_STBC_MASK | 166 HT_CAP_INFO_TX_STBC | 167 HT_CAP_INFO_MAX_AMSDU_SIZE); 168 169 if (mode->vht_capab && ssid->vht) { 170 conf->ieee80211ac = 1; 171 wpas_conf_ap_vht(wpa_s, conf, mode); 172 } 173 } 174 } 175 176 if (conf->secondary_channel) { 177 struct wpa_supplicant *iface; 178 179 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) 180 { 181 if (iface == wpa_s || 182 iface->wpa_state < WPA_AUTHENTICATING || 183 (int) iface->assoc_freq != ssid->frequency) 184 continue; 185 186 /* 187 * Do not allow 40 MHz co-ex PRI/SEC switch to force us 188 * to change our PRI channel since we have an existing, 189 * concurrent connection on that channel and doing 190 * multi-channel concurrency is likely to cause more 191 * harm than using different PRI/SEC selection in 192 * environment with multiple BSSes on these two channels 193 * with mixed 20 MHz or PRI channel selection. 194 */ 195 conf->no_pri_sec_switch = 1; 196 } 197 } 198 #endif /* CONFIG_IEEE80211N */ 199 200 return 0; 201 } 202 203 204 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s, 205 struct wpa_ssid *ssid, 206 struct hostapd_config *conf) 207 { 208 struct hostapd_bss_config *bss = conf->bss[0]; 209 210 conf->driver = wpa_s->driver; 211 212 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface)); 213 214 if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf)) 215 return -1; 216 217 if (ssid->pbss > 1) { 218 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode", 219 ssid->pbss); 220 return -1; 221 } 222 bss->pbss = ssid->pbss; 223 224 #ifdef CONFIG_ACS 225 if (ssid->acs) { 226 /* Setting channel to 0 in order to enable ACS */ 227 conf->channel = 0; 228 wpa_printf(MSG_DEBUG, "Use automatic channel selection"); 229 } 230 #endif /* CONFIG_ACS */ 231 232 if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) { 233 conf->ieee80211h = 1; 234 conf->ieee80211d = 1; 235 conf->country[0] = wpa_s->conf->country[0]; 236 conf->country[1] = wpa_s->conf->country[1]; 237 } 238 239 #ifdef CONFIG_P2P 240 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G && 241 (ssid->mode == WPAS_MODE_P2P_GO || 242 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) { 243 /* Remove 802.11b rates from supported and basic rate sets */ 244 int *list = os_malloc(4 * sizeof(int)); 245 if (list) { 246 list[0] = 60; 247 list[1] = 120; 248 list[2] = 240; 249 list[3] = -1; 250 } 251 conf->basic_rates = list; 252 253 list = os_malloc(9 * sizeof(int)); 254 if (list) { 255 list[0] = 60; 256 list[1] = 90; 257 list[2] = 120; 258 list[3] = 180; 259 list[4] = 240; 260 list[5] = 360; 261 list[6] = 480; 262 list[7] = 540; 263 list[8] = -1; 264 } 265 conf->supported_rates = list; 266 } 267 268 bss->isolate = !wpa_s->conf->p2p_intra_bss; 269 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk; 270 271 if (ssid->p2p_group) { 272 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4); 273 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask, 274 4); 275 os_memcpy(bss->ip_addr_start, 276 wpa_s->p2pdev->conf->ip_addr_start, 4); 277 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end, 278 4); 279 } 280 #endif /* CONFIG_P2P */ 281 282 if (ssid->ssid_len == 0) { 283 wpa_printf(MSG_ERROR, "No SSID configured for AP mode"); 284 return -1; 285 } 286 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len); 287 bss->ssid.ssid_len = ssid->ssid_len; 288 bss->ssid.ssid_set = 1; 289 290 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid; 291 292 if (ssid->auth_alg) 293 bss->auth_algs = ssid->auth_alg; 294 295 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) 296 bss->wpa = ssid->proto; 297 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 298 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 299 else 300 bss->wpa_key_mgmt = ssid->key_mgmt; 301 bss->wpa_pairwise = ssid->pairwise_cipher; 302 if (ssid->psk_set) { 303 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk)); 304 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); 305 if (bss->ssid.wpa_psk == NULL) 306 return -1; 307 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN); 308 bss->ssid.wpa_psk->group = 1; 309 bss->ssid.wpa_psk_set = 1; 310 } else if (ssid->passphrase) { 311 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase); 312 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] || 313 ssid->wep_key_len[2] || ssid->wep_key_len[3]) { 314 struct hostapd_wep_keys *wep = &bss->ssid.wep; 315 int i; 316 for (i = 0; i < NUM_WEP_KEYS; i++) { 317 if (ssid->wep_key_len[i] == 0) 318 continue; 319 wep->key[i] = os_malloc(ssid->wep_key_len[i]); 320 if (wep->key[i] == NULL) 321 return -1; 322 os_memcpy(wep->key[i], ssid->wep_key[i], 323 ssid->wep_key_len[i]); 324 wep->len[i] = ssid->wep_key_len[i]; 325 } 326 wep->idx = ssid->wep_tx_keyidx; 327 wep->keys_set = 1; 328 } 329 330 if (ssid->ap_max_inactivity) 331 bss->ap_max_inactivity = ssid->ap_max_inactivity; 332 333 if (ssid->dtim_period) 334 bss->dtim_period = ssid->dtim_period; 335 else if (wpa_s->conf->dtim_period) 336 bss->dtim_period = wpa_s->conf->dtim_period; 337 338 if (ssid->beacon_int) 339 conf->beacon_int = ssid->beacon_int; 340 else if (wpa_s->conf->beacon_int) 341 conf->beacon_int = wpa_s->conf->beacon_int; 342 343 #ifdef CONFIG_P2P 344 if (ssid->mode == WPAS_MODE_P2P_GO || 345 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { 346 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) { 347 wpa_printf(MSG_INFO, 348 "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it", 349 wpa_s->conf->p2p_go_ctwindow, 350 conf->beacon_int); 351 conf->p2p_go_ctwindow = 0; 352 } else { 353 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow; 354 } 355 } 356 #endif /* CONFIG_P2P */ 357 358 if ((bss->wpa & 2) && bss->rsn_pairwise == 0) 359 bss->rsn_pairwise = bss->wpa_pairwise; 360 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, 361 bss->rsn_pairwise); 362 363 if (bss->wpa && bss->ieee802_1x) 364 bss->ssid.security_policy = SECURITY_WPA; 365 else if (bss->wpa) 366 bss->ssid.security_policy = SECURITY_WPA_PSK; 367 else if (bss->ieee802_1x) { 368 int cipher = WPA_CIPHER_NONE; 369 bss->ssid.security_policy = SECURITY_IEEE_802_1X; 370 bss->ssid.wep.default_len = bss->default_wep_key_len; 371 if (bss->default_wep_key_len) 372 cipher = bss->default_wep_key_len >= 13 ? 373 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; 374 bss->wpa_group = cipher; 375 bss->wpa_pairwise = cipher; 376 bss->rsn_pairwise = cipher; 377 } else if (bss->ssid.wep.keys_set) { 378 int cipher = WPA_CIPHER_WEP40; 379 if (bss->ssid.wep.len[0] >= 13) 380 cipher = WPA_CIPHER_WEP104; 381 bss->ssid.security_policy = SECURITY_STATIC_WEP; 382 bss->wpa_group = cipher; 383 bss->wpa_pairwise = cipher; 384 bss->rsn_pairwise = cipher; 385 } else { 386 bss->ssid.security_policy = SECURITY_PLAINTEXT; 387 bss->wpa_group = WPA_CIPHER_NONE; 388 bss->wpa_pairwise = WPA_CIPHER_NONE; 389 bss->rsn_pairwise = WPA_CIPHER_NONE; 390 } 391 392 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) && 393 (bss->wpa_group == WPA_CIPHER_CCMP || 394 bss->wpa_group == WPA_CIPHER_GCMP || 395 bss->wpa_group == WPA_CIPHER_CCMP_256 || 396 bss->wpa_group == WPA_CIPHER_GCMP_256)) { 397 /* 398 * Strong ciphers do not need frequent rekeying, so increase 399 * the default GTK rekeying period to 24 hours. 400 */ 401 bss->wpa_group_rekey = 86400; 402 } 403 404 #ifdef CONFIG_IEEE80211W 405 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT) 406 bss->ieee80211w = ssid->ieee80211w; 407 #endif /* CONFIG_IEEE80211W */ 408 409 #ifdef CONFIG_WPS 410 /* 411 * Enable WPS by default for open and WPA/WPA2-Personal network, but 412 * require user interaction to actually use it. Only the internal 413 * Registrar is supported. 414 */ 415 if (bss->ssid.security_policy != SECURITY_WPA_PSK && 416 bss->ssid.security_policy != SECURITY_PLAINTEXT) 417 goto no_wps; 418 if (bss->ssid.security_policy == SECURITY_WPA_PSK && 419 (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) || 420 !(bss->wpa & 2))) 421 goto no_wps; /* WPS2 does not allow WPA/TKIP-only 422 * configuration */ 423 if (ssid->wps_disabled) 424 goto no_wps; 425 bss->eap_server = 1; 426 427 if (!ssid->ignore_broadcast_ssid) 428 bss->wps_state = 2; 429 430 bss->ap_setup_locked = 2; 431 if (wpa_s->conf->config_methods) 432 bss->config_methods = os_strdup(wpa_s->conf->config_methods); 433 os_memcpy(bss->device_type, wpa_s->conf->device_type, 434 WPS_DEV_TYPE_LEN); 435 if (wpa_s->conf->device_name) { 436 bss->device_name = os_strdup(wpa_s->conf->device_name); 437 bss->friendly_name = os_strdup(wpa_s->conf->device_name); 438 } 439 if (wpa_s->conf->manufacturer) 440 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer); 441 if (wpa_s->conf->model_name) 442 bss->model_name = os_strdup(wpa_s->conf->model_name); 443 if (wpa_s->conf->model_number) 444 bss->model_number = os_strdup(wpa_s->conf->model_number); 445 if (wpa_s->conf->serial_number) 446 bss->serial_number = os_strdup(wpa_s->conf->serial_number); 447 if (is_nil_uuid(wpa_s->conf->uuid)) 448 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN); 449 else 450 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); 451 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4); 452 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1; 453 if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE) 454 bss->fragment_size = ssid->eap.fragment_size; 455 no_wps: 456 #endif /* CONFIG_WPS */ 457 458 if (wpa_s->max_stations && 459 wpa_s->max_stations < wpa_s->conf->max_num_sta) 460 bss->max_num_sta = wpa_s->max_stations; 461 else 462 bss->max_num_sta = wpa_s->conf->max_num_sta; 463 464 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack; 465 466 if (wpa_s->conf->ap_vendor_elements) { 467 bss->vendor_elements = 468 wpabuf_dup(wpa_s->conf->ap_vendor_elements); 469 } 470 471 bss->ftm_responder = wpa_s->conf->ftm_responder; 472 bss->ftm_initiator = wpa_s->conf->ftm_initiator; 473 474 return 0; 475 } 476 477 478 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq) 479 { 480 #ifdef CONFIG_P2P 481 struct wpa_supplicant *wpa_s = ctx; 482 const struct ieee80211_mgmt *mgmt; 483 484 mgmt = (const struct ieee80211_mgmt *) buf; 485 if (len < IEEE80211_HDRLEN + 1) 486 return; 487 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC) 488 return; 489 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, 490 mgmt->u.action.category, 491 buf + IEEE80211_HDRLEN + 1, 492 len - IEEE80211_HDRLEN - 1, freq); 493 #endif /* CONFIG_P2P */ 494 } 495 496 497 static void ap_wps_event_cb(void *ctx, enum wps_event event, 498 union wps_event_data *data) 499 { 500 #ifdef CONFIG_P2P 501 struct wpa_supplicant *wpa_s = ctx; 502 503 if (event == WPS_EV_FAIL) { 504 struct wps_event_fail *fail = &data->fail; 505 506 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s && 507 wpa_s == wpa_s->global->p2p_group_formation) { 508 /* 509 * src/ap/wps_hostapd.c has already sent this on the 510 * main interface, so only send on the parent interface 511 * here if needed. 512 */ 513 wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL 514 "msg=%d config_error=%d", 515 fail->msg, fail->config_error); 516 } 517 wpas_p2p_wps_failed(wpa_s, fail); 518 } 519 #endif /* CONFIG_P2P */ 520 } 521 522 523 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr, 524 int authorized, const u8 *p2p_dev_addr) 525 { 526 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr); 527 } 528 529 530 #ifdef CONFIG_P2P 531 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr, 532 const u8 *psk, size_t psk_len) 533 { 534 535 struct wpa_supplicant *wpa_s = ctx; 536 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL) 537 return; 538 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len); 539 } 540 #endif /* CONFIG_P2P */ 541 542 543 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq) 544 { 545 #ifdef CONFIG_P2P 546 struct wpa_supplicant *wpa_s = ctx; 547 const struct ieee80211_mgmt *mgmt; 548 549 mgmt = (const struct ieee80211_mgmt *) buf; 550 if (len < IEEE80211_HDRLEN + 1) 551 return -1; 552 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, 553 mgmt->u.action.category, 554 buf + IEEE80211_HDRLEN + 1, 555 len - IEEE80211_HDRLEN - 1, freq); 556 #endif /* CONFIG_P2P */ 557 return 0; 558 } 559 560 561 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da, 562 const u8 *bssid, const u8 *ie, size_t ie_len, 563 int ssi_signal) 564 { 565 struct wpa_supplicant *wpa_s = ctx; 566 unsigned int freq = 0; 567 568 if (wpa_s->ap_iface) 569 freq = wpa_s->ap_iface->freq; 570 571 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len, 572 freq, ssi_signal); 573 } 574 575 576 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr, 577 const u8 *uuid_e) 578 { 579 struct wpa_supplicant *wpa_s = ctx; 580 wpas_p2p_wps_success(wpa_s, mac_addr, 1); 581 } 582 583 584 static void wpas_ap_configured_cb(void *ctx) 585 { 586 struct wpa_supplicant *wpa_s = ctx; 587 588 #ifdef CONFIG_ACS 589 if (wpa_s->current_ssid && wpa_s->current_ssid->acs) 590 wpa_s->assoc_freq = wpa_s->ap_iface->freq; 591 #endif /* CONFIG_ACS */ 592 593 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 594 595 if (wpa_s->ap_configured_cb) 596 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx, 597 wpa_s->ap_configured_cb_data); 598 } 599 600 601 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s, 602 struct wpa_ssid *ssid) 603 { 604 struct wpa_driver_associate_params params; 605 struct hostapd_iface *hapd_iface; 606 struct hostapd_config *conf; 607 size_t i; 608 609 if (ssid->ssid == NULL || ssid->ssid_len == 0) { 610 wpa_printf(MSG_ERROR, "No SSID configured for AP mode"); 611 return -1; 612 } 613 614 wpa_supplicant_ap_deinit(wpa_s); 615 616 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')", 617 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 618 619 os_memset(¶ms, 0, sizeof(params)); 620 params.ssid = ssid->ssid; 621 params.ssid_len = ssid->ssid_len; 622 switch (ssid->mode) { 623 case WPAS_MODE_AP: 624 case WPAS_MODE_P2P_GO: 625 case WPAS_MODE_P2P_GROUP_FORMATION: 626 params.mode = IEEE80211_MODE_AP; 627 break; 628 default: 629 return -1; 630 } 631 if (ssid->frequency == 0) 632 ssid->frequency = 2462; /* default channel 11 */ 633 params.freq.freq = ssid->frequency; 634 635 params.wpa_proto = ssid->proto; 636 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) 637 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; 638 else 639 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; 640 params.key_mgmt_suite = wpa_s->key_mgmt; 641 642 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 643 1); 644 if (wpa_s->pairwise_cipher < 0) { 645 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise " 646 "cipher."); 647 return -1; 648 } 649 params.pairwise_suite = wpa_s->pairwise_cipher; 650 params.group_suite = params.pairwise_suite; 651 652 #ifdef CONFIG_P2P 653 if (ssid->mode == WPAS_MODE_P2P_GO || 654 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) 655 params.p2p = 1; 656 #endif /* CONFIG_P2P */ 657 658 if (wpa_s->p2pdev->set_ap_uapsd) 659 params.uapsd = wpa_s->p2pdev->ap_uapsd; 660 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD)) 661 params.uapsd = 1; /* mandatory for P2P GO */ 662 else 663 params.uapsd = -1; 664 665 if (ieee80211_is_dfs(params.freq.freq)) 666 params.freq.freq = 0; /* set channel after CAC */ 667 668 if (params.p2p) 669 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO); 670 else 671 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS); 672 673 if (wpa_drv_associate(wpa_s, ¶ms) < 0) { 674 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality"); 675 return -1; 676 } 677 678 wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface(); 679 if (hapd_iface == NULL) 680 return -1; 681 hapd_iface->owner = wpa_s; 682 hapd_iface->drv_flags = wpa_s->drv_flags; 683 hapd_iface->smps_modes = wpa_s->drv_smps_modes; 684 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads; 685 hapd_iface->extended_capa = wpa_s->extended_capa; 686 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask; 687 hapd_iface->extended_capa_len = wpa_s->extended_capa_len; 688 689 wpa_s->ap_iface->conf = conf = hostapd_config_defaults(); 690 if (conf == NULL) { 691 wpa_supplicant_ap_deinit(wpa_s); 692 return -1; 693 } 694 695 /* Use the maximum oper channel width if it's given. */ 696 if (ssid->max_oper_chwidth) 697 conf->vht_oper_chwidth = ssid->max_oper_chwidth; 698 699 ieee80211_freq_to_chan(ssid->vht_center_freq2, 700 &conf->vht_oper_centr_freq_seg1_idx); 701 702 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params, 703 wpa_s->conf->wmm_ac_params, 704 sizeof(wpa_s->conf->wmm_ac_params)); 705 706 if (params.uapsd > 0) { 707 conf->bss[0]->wmm_enabled = 1; 708 conf->bss[0]->wmm_uapsd = 1; 709 } 710 711 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) { 712 wpa_printf(MSG_ERROR, "Failed to create AP configuration"); 713 wpa_supplicant_ap_deinit(wpa_s); 714 return -1; 715 } 716 717 #ifdef CONFIG_P2P 718 if (ssid->mode == WPAS_MODE_P2P_GO) 719 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER; 720 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) 721 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER | 722 P2P_GROUP_FORMATION; 723 #endif /* CONFIG_P2P */ 724 725 hapd_iface->num_bss = conf->num_bss; 726 hapd_iface->bss = os_calloc(conf->num_bss, 727 sizeof(struct hostapd_data *)); 728 if (hapd_iface->bss == NULL) { 729 wpa_supplicant_ap_deinit(wpa_s); 730 return -1; 731 } 732 733 for (i = 0; i < conf->num_bss; i++) { 734 hapd_iface->bss[i] = 735 hostapd_alloc_bss_data(hapd_iface, conf, 736 conf->bss[i]); 737 if (hapd_iface->bss[i] == NULL) { 738 wpa_supplicant_ap_deinit(wpa_s); 739 return -1; 740 } 741 742 hapd_iface->bss[i]->msg_ctx = wpa_s; 743 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev; 744 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx; 745 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s; 746 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx; 747 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s; 748 hostapd_register_probereq_cb(hapd_iface->bss[i], 749 ap_probe_req_rx, wpa_s); 750 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb; 751 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s; 752 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb; 753 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s; 754 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb; 755 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s; 756 #ifdef CONFIG_P2P 757 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb; 758 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s; 759 hapd_iface->bss[i]->p2p = wpa_s->global->p2p; 760 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s, 761 ssid); 762 #endif /* CONFIG_P2P */ 763 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb; 764 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s; 765 #ifdef CONFIG_TESTING_OPTIONS 766 hapd_iface->bss[i]->ext_eapol_frame_io = 767 wpa_s->ext_eapol_frame_io; 768 #endif /* CONFIG_TESTING_OPTIONS */ 769 } 770 771 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN); 772 hapd_iface->bss[0]->driver = wpa_s->driver; 773 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv; 774 775 wpa_s->current_ssid = ssid; 776 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 777 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN); 778 wpa_s->assoc_freq = ssid->frequency; 779 780 if (hostapd_setup_interface(wpa_s->ap_iface)) { 781 wpa_printf(MSG_ERROR, "Failed to initialize AP interface"); 782 wpa_supplicant_ap_deinit(wpa_s); 783 return -1; 784 } 785 786 return 0; 787 } 788 789 790 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s) 791 { 792 #ifdef CONFIG_WPS 793 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL); 794 #endif /* CONFIG_WPS */ 795 796 if (wpa_s->ap_iface == NULL) 797 return; 798 799 wpa_s->current_ssid = NULL; 800 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 801 wpa_s->assoc_freq = 0; 802 wpas_p2p_ap_deinit(wpa_s); 803 wpa_s->ap_iface->driver_ap_teardown = 804 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 805 806 hostapd_interface_deinit(wpa_s->ap_iface); 807 hostapd_interface_free(wpa_s->ap_iface); 808 wpa_s->ap_iface = NULL; 809 wpa_drv_deinit_ap(wpa_s); 810 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR 811 " reason=%d locally_generated=1", 812 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING); 813 } 814 815 816 void ap_tx_status(void *ctx, const u8 *addr, 817 const u8 *buf, size_t len, int ack) 818 { 819 #ifdef NEED_AP_MLME 820 struct wpa_supplicant *wpa_s = ctx; 821 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack); 822 #endif /* NEED_AP_MLME */ 823 } 824 825 826 void ap_eapol_tx_status(void *ctx, const u8 *dst, 827 const u8 *data, size_t len, int ack) 828 { 829 #ifdef NEED_AP_MLME 830 struct wpa_supplicant *wpa_s = ctx; 831 if (!wpa_s->ap_iface) 832 return; 833 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack); 834 #endif /* NEED_AP_MLME */ 835 } 836 837 838 void ap_client_poll_ok(void *ctx, const u8 *addr) 839 { 840 #ifdef NEED_AP_MLME 841 struct wpa_supplicant *wpa_s = ctx; 842 if (wpa_s->ap_iface) 843 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr); 844 #endif /* NEED_AP_MLME */ 845 } 846 847 848 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds) 849 { 850 #ifdef NEED_AP_MLME 851 struct wpa_supplicant *wpa_s = ctx; 852 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds); 853 #endif /* NEED_AP_MLME */ 854 } 855 856 857 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt) 858 { 859 #ifdef NEED_AP_MLME 860 struct wpa_supplicant *wpa_s = ctx; 861 struct hostapd_frame_info fi; 862 os_memset(&fi, 0, sizeof(fi)); 863 fi.datarate = rx_mgmt->datarate; 864 fi.ssi_signal = rx_mgmt->ssi_signal; 865 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame, 866 rx_mgmt->frame_len, &fi); 867 #endif /* NEED_AP_MLME */ 868 } 869 870 871 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok) 872 { 873 #ifdef NEED_AP_MLME 874 struct wpa_supplicant *wpa_s = ctx; 875 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok); 876 #endif /* NEED_AP_MLME */ 877 } 878 879 880 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s, 881 const u8 *src_addr, const u8 *buf, size_t len) 882 { 883 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len); 884 } 885 886 887 #ifdef CONFIG_WPS 888 889 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, 890 const u8 *p2p_dev_addr) 891 { 892 if (!wpa_s->ap_iface) 893 return -1; 894 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0], 895 p2p_dev_addr); 896 } 897 898 899 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s) 900 { 901 struct wps_registrar *reg; 902 int reg_sel = 0, wps_sta = 0; 903 904 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps) 905 return -1; 906 907 reg = wpa_s->ap_iface->bss[0]->wps->registrar; 908 reg_sel = wps_registrar_wps_cancel(reg); 909 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0], 910 ap_sta_wps_cancel, NULL); 911 912 if (!reg_sel && !wps_sta) { 913 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this " 914 "time"); 915 return -1; 916 } 917 918 /* 919 * There are 2 cases to return wps cancel as success: 920 * 1. When wps cancel was initiated but no connection has been 921 * established with client yet. 922 * 2. Client is in the middle of exchanging WPS messages. 923 */ 924 925 return 0; 926 } 927 928 929 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, 930 const char *pin, char *buf, size_t buflen, 931 int timeout) 932 { 933 int ret, ret_len = 0; 934 935 if (!wpa_s->ap_iface) 936 return -1; 937 938 if (pin == NULL) { 939 unsigned int rpin; 940 941 if (wps_generate_pin(&rpin) < 0) 942 return -1; 943 ret_len = os_snprintf(buf, buflen, "%08d", rpin); 944 if (os_snprintf_error(buflen, ret_len)) 945 return -1; 946 pin = buf; 947 } else if (buf) { 948 ret_len = os_snprintf(buf, buflen, "%s", pin); 949 if (os_snprintf_error(buflen, ret_len)) 950 return -1; 951 } 952 953 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin, 954 timeout); 955 if (ret) 956 return -1; 957 return ret_len; 958 } 959 960 961 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx) 962 { 963 struct wpa_supplicant *wpa_s = eloop_data; 964 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out"); 965 wpas_wps_ap_pin_disable(wpa_s); 966 } 967 968 969 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout) 970 { 971 struct hostapd_data *hapd; 972 973 if (wpa_s->ap_iface == NULL) 974 return; 975 hapd = wpa_s->ap_iface->bss[0]; 976 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout); 977 hapd->ap_pin_failures = 0; 978 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL); 979 if (timeout > 0) 980 eloop_register_timeout(timeout, 0, 981 wpas_wps_ap_pin_timeout, wpa_s, NULL); 982 } 983 984 985 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s) 986 { 987 struct hostapd_data *hapd; 988 989 if (wpa_s->ap_iface == NULL) 990 return; 991 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN"); 992 hapd = wpa_s->ap_iface->bss[0]; 993 os_free(hapd->conf->ap_pin); 994 hapd->conf->ap_pin = NULL; 995 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL); 996 } 997 998 999 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout) 1000 { 1001 struct hostapd_data *hapd; 1002 unsigned int pin; 1003 char pin_txt[9]; 1004 1005 if (wpa_s->ap_iface == NULL) 1006 return NULL; 1007 hapd = wpa_s->ap_iface->bss[0]; 1008 if (wps_generate_pin(&pin) < 0) 1009 return NULL; 1010 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin); 1011 os_free(hapd->conf->ap_pin); 1012 hapd->conf->ap_pin = os_strdup(pin_txt); 1013 if (hapd->conf->ap_pin == NULL) 1014 return NULL; 1015 wpas_wps_ap_pin_enable(wpa_s, timeout); 1016 1017 return hapd->conf->ap_pin; 1018 } 1019 1020 1021 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s) 1022 { 1023 struct hostapd_data *hapd; 1024 if (wpa_s->ap_iface == NULL) 1025 return NULL; 1026 hapd = wpa_s->ap_iface->bss[0]; 1027 return hapd->conf->ap_pin; 1028 } 1029 1030 1031 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin, 1032 int timeout) 1033 { 1034 struct hostapd_data *hapd; 1035 char pin_txt[9]; 1036 int ret; 1037 1038 if (wpa_s->ap_iface == NULL) 1039 return -1; 1040 hapd = wpa_s->ap_iface->bss[0]; 1041 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin); 1042 if (os_snprintf_error(sizeof(pin_txt), ret)) 1043 return -1; 1044 os_free(hapd->conf->ap_pin); 1045 hapd->conf->ap_pin = os_strdup(pin_txt); 1046 if (hapd->conf->ap_pin == NULL) 1047 return -1; 1048 wpas_wps_ap_pin_enable(wpa_s, timeout); 1049 1050 return 0; 1051 } 1052 1053 1054 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s) 1055 { 1056 struct hostapd_data *hapd; 1057 1058 if (wpa_s->ap_iface == NULL) 1059 return; 1060 hapd = wpa_s->ap_iface->bss[0]; 1061 1062 /* 1063 * Registrar failed to prove its knowledge of the AP PIN. Disable AP 1064 * PIN if this happens multiple times to slow down brute force attacks. 1065 */ 1066 hapd->ap_pin_failures++; 1067 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u", 1068 hapd->ap_pin_failures); 1069 if (hapd->ap_pin_failures < 3) 1070 return; 1071 1072 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN"); 1073 hapd->ap_pin_failures = 0; 1074 os_free(hapd->conf->ap_pin); 1075 hapd->conf->ap_pin = NULL; 1076 } 1077 1078 1079 #ifdef CONFIG_WPS_NFC 1080 1081 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s, 1082 int ndef) 1083 { 1084 struct hostapd_data *hapd; 1085 1086 if (wpa_s->ap_iface == NULL) 1087 return NULL; 1088 hapd = wpa_s->ap_iface->bss[0]; 1089 return hostapd_wps_nfc_config_token(hapd, ndef); 1090 } 1091 1092 1093 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, 1094 int ndef) 1095 { 1096 struct hostapd_data *hapd; 1097 1098 if (wpa_s->ap_iface == NULL) 1099 return NULL; 1100 hapd = wpa_s->ap_iface->bss[0]; 1101 return hostapd_wps_nfc_hs_cr(hapd, ndef); 1102 } 1103 1104 1105 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, 1106 const struct wpabuf *req, 1107 const struct wpabuf *sel) 1108 { 1109 struct hostapd_data *hapd; 1110 1111 if (wpa_s->ap_iface == NULL) 1112 return -1; 1113 hapd = wpa_s->ap_iface->bss[0]; 1114 return hostapd_wps_nfc_report_handover(hapd, req, sel); 1115 } 1116 1117 #endif /* CONFIG_WPS_NFC */ 1118 1119 #endif /* CONFIG_WPS */ 1120 1121 1122 #ifdef CONFIG_CTRL_IFACE 1123 1124 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s, 1125 char *buf, size_t buflen) 1126 { 1127 struct hostapd_data *hapd; 1128 1129 if (wpa_s->ap_iface) 1130 hapd = wpa_s->ap_iface->bss[0]; 1131 else if (wpa_s->ifmsh) 1132 hapd = wpa_s->ifmsh->bss[0]; 1133 else 1134 return -1; 1135 return hostapd_ctrl_iface_sta_first(hapd, buf, buflen); 1136 } 1137 1138 1139 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr, 1140 char *buf, size_t buflen) 1141 { 1142 struct hostapd_data *hapd; 1143 1144 if (wpa_s->ap_iface) 1145 hapd = wpa_s->ap_iface->bss[0]; 1146 else if (wpa_s->ifmsh) 1147 hapd = wpa_s->ifmsh->bss[0]; 1148 else 1149 return -1; 1150 return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen); 1151 } 1152 1153 1154 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr, 1155 char *buf, size_t buflen) 1156 { 1157 struct hostapd_data *hapd; 1158 1159 if (wpa_s->ap_iface) 1160 hapd = wpa_s->ap_iface->bss[0]; 1161 else if (wpa_s->ifmsh) 1162 hapd = wpa_s->ifmsh->bss[0]; 1163 else 1164 return -1; 1165 return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen); 1166 } 1167 1168 1169 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s, 1170 const char *txtaddr) 1171 { 1172 if (wpa_s->ap_iface == NULL) 1173 return -1; 1174 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0], 1175 txtaddr); 1176 } 1177 1178 1179 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s, 1180 const char *txtaddr) 1181 { 1182 if (wpa_s->ap_iface == NULL) 1183 return -1; 1184 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0], 1185 txtaddr); 1186 } 1187 1188 1189 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf, 1190 size_t buflen, int verbose) 1191 { 1192 char *pos = buf, *end = buf + buflen; 1193 int ret; 1194 struct hostapd_bss_config *conf; 1195 1196 if (wpa_s->ap_iface == NULL) 1197 return -1; 1198 1199 conf = wpa_s->ap_iface->bss[0]->conf; 1200 if (conf->wpa == 0) 1201 return 0; 1202 1203 ret = os_snprintf(pos, end - pos, 1204 "pairwise_cipher=%s\n" 1205 "group_cipher=%s\n" 1206 "key_mgmt=%s\n", 1207 wpa_cipher_txt(conf->rsn_pairwise), 1208 wpa_cipher_txt(conf->wpa_group), 1209 wpa_key_mgmt_txt(conf->wpa_key_mgmt, 1210 conf->wpa)); 1211 if (os_snprintf_error(end - pos, ret)) 1212 return pos - buf; 1213 pos += ret; 1214 return pos - buf; 1215 } 1216 1217 #endif /* CONFIG_CTRL_IFACE */ 1218 1219 1220 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s) 1221 { 1222 struct hostapd_iface *iface = wpa_s->ap_iface; 1223 struct wpa_ssid *ssid = wpa_s->current_ssid; 1224 struct hostapd_data *hapd; 1225 1226 if (ssid == NULL || wpa_s->ap_iface == NULL || 1227 ssid->mode == WPAS_MODE_INFRA || 1228 ssid->mode == WPAS_MODE_IBSS) 1229 return -1; 1230 1231 #ifdef CONFIG_P2P 1232 if (ssid->mode == WPAS_MODE_P2P_GO) 1233 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER; 1234 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) 1235 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER | 1236 P2P_GROUP_FORMATION; 1237 #endif /* CONFIG_P2P */ 1238 1239 hapd = iface->bss[0]; 1240 if (hapd->drv_priv == NULL) 1241 return -1; 1242 ieee802_11_set_beacons(iface); 1243 hostapd_set_ap_wps_ie(hapd); 1244 1245 return 0; 1246 } 1247 1248 1249 int ap_switch_channel(struct wpa_supplicant *wpa_s, 1250 struct csa_settings *settings) 1251 { 1252 #ifdef NEED_AP_MLME 1253 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1254 return -1; 1255 1256 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings); 1257 #else /* NEED_AP_MLME */ 1258 return -1; 1259 #endif /* NEED_AP_MLME */ 1260 } 1261 1262 1263 #ifdef CONFIG_CTRL_IFACE 1264 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos) 1265 { 1266 struct csa_settings settings; 1267 int ret = hostapd_parse_csa_settings(pos, &settings); 1268 1269 if (ret) 1270 return ret; 1271 1272 return ap_switch_channel(wpa_s, &settings); 1273 } 1274 #endif /* CONFIG_CTRL_IFACE */ 1275 1276 1277 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht, 1278 int offset, int width, int cf1, int cf2) 1279 { 1280 if (!wpa_s->ap_iface) 1281 return; 1282 1283 wpa_s->assoc_freq = freq; 1284 if (wpa_s->current_ssid) 1285 wpa_s->current_ssid->frequency = freq; 1286 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, 1287 offset, width, cf1, cf2); 1288 } 1289 1290 1291 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s, 1292 const u8 *addr) 1293 { 1294 struct hostapd_data *hapd; 1295 struct hostapd_bss_config *conf; 1296 1297 if (!wpa_s->ap_iface) 1298 return -1; 1299 1300 if (addr) 1301 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR, 1302 MAC2STR(addr)); 1303 else 1304 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter"); 1305 1306 hapd = wpa_s->ap_iface->bss[0]; 1307 conf = hapd->conf; 1308 1309 os_free(conf->accept_mac); 1310 conf->accept_mac = NULL; 1311 conf->num_accept_mac = 0; 1312 os_free(conf->deny_mac); 1313 conf->deny_mac = NULL; 1314 conf->num_deny_mac = 0; 1315 1316 if (addr == NULL) { 1317 conf->macaddr_acl = ACCEPT_UNLESS_DENIED; 1318 return 0; 1319 } 1320 1321 conf->macaddr_acl = DENY_UNLESS_ACCEPTED; 1322 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry)); 1323 if (conf->accept_mac == NULL) 1324 return -1; 1325 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN); 1326 conf->num_accept_mac = 1; 1327 1328 return 0; 1329 } 1330 1331 1332 #ifdef CONFIG_WPS_NFC 1333 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id, 1334 const struct wpabuf *pw, const u8 *pubkey_hash) 1335 { 1336 struct hostapd_data *hapd; 1337 struct wps_context *wps; 1338 1339 if (!wpa_s->ap_iface) 1340 return -1; 1341 hapd = wpa_s->ap_iface->bss[0]; 1342 wps = hapd->wps; 1343 1344 if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL || 1345 wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) { 1346 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known"); 1347 return -1; 1348 } 1349 1350 dh5_free(wps->dh_ctx); 1351 wpabuf_free(wps->dh_pubkey); 1352 wpabuf_free(wps->dh_privkey); 1353 wps->dh_privkey = wpabuf_dup( 1354 wpa_s->p2pdev->conf->wps_nfc_dh_privkey); 1355 wps->dh_pubkey = wpabuf_dup( 1356 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey); 1357 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { 1358 wps->dh_ctx = NULL; 1359 wpabuf_free(wps->dh_pubkey); 1360 wps->dh_pubkey = NULL; 1361 wpabuf_free(wps->dh_privkey); 1362 wps->dh_privkey = NULL; 1363 return -1; 1364 } 1365 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); 1366 if (wps->dh_ctx == NULL) 1367 return -1; 1368 1369 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash, 1370 pw_id, 1371 pw ? wpabuf_head(pw) : NULL, 1372 pw ? wpabuf_len(pw) : 0, 1); 1373 } 1374 #endif /* CONFIG_WPS_NFC */ 1375 1376 1377 #ifdef CONFIG_CTRL_IFACE 1378 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s) 1379 { 1380 struct hostapd_data *hapd; 1381 1382 if (!wpa_s->ap_iface) 1383 return -1; 1384 hapd = wpa_s->ap_iface->bss[0]; 1385 return hostapd_ctrl_iface_stop_ap(hapd); 1386 } 1387 1388 1389 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf, 1390 size_t len) 1391 { 1392 size_t reply_len = 0, i; 1393 char ap_delimiter[] = "---- AP ----\n"; 1394 char mesh_delimiter[] = "---- mesh ----\n"; 1395 size_t dlen; 1396 1397 if (wpa_s->ap_iface) { 1398 dlen = os_strlen(ap_delimiter); 1399 if (dlen > len - reply_len) 1400 return reply_len; 1401 os_memcpy(&buf[reply_len], ap_delimiter, dlen); 1402 reply_len += dlen; 1403 1404 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) { 1405 reply_len += hostapd_ctrl_iface_pmksa_list( 1406 wpa_s->ap_iface->bss[i], 1407 &buf[reply_len], len - reply_len); 1408 } 1409 } 1410 1411 if (wpa_s->ifmsh) { 1412 dlen = os_strlen(mesh_delimiter); 1413 if (dlen > len - reply_len) 1414 return reply_len; 1415 os_memcpy(&buf[reply_len], mesh_delimiter, dlen); 1416 reply_len += dlen; 1417 1418 reply_len += hostapd_ctrl_iface_pmksa_list( 1419 wpa_s->ifmsh->bss[0], &buf[reply_len], 1420 len - reply_len); 1421 } 1422 1423 return reply_len; 1424 } 1425 1426 1427 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s) 1428 { 1429 size_t i; 1430 1431 if (wpa_s->ap_iface) { 1432 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) 1433 hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]); 1434 } 1435 1436 if (wpa_s->ifmsh) 1437 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]); 1438 } 1439 #endif /* CONFIG_CTRL_IFACE */ 1440 1441 1442 #ifdef NEED_AP_MLME 1443 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s, 1444 struct dfs_event *radar) 1445 { 1446 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1447 return; 1448 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); 1449 hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq, 1450 radar->ht_enabled, radar->chan_offset, 1451 radar->chan_width, 1452 radar->cf1, radar->cf2); 1453 } 1454 1455 1456 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s, 1457 struct dfs_event *radar) 1458 { 1459 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1460 return; 1461 wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq); 1462 hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq, 1463 radar->ht_enabled, radar->chan_offset, 1464 radar->chan_width, radar->cf1, radar->cf2); 1465 } 1466 1467 1468 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s, 1469 struct dfs_event *radar) 1470 { 1471 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1472 return; 1473 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); 1474 hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq, 1475 radar->ht_enabled, radar->chan_offset, 1476 radar->chan_width, radar->cf1, radar->cf2); 1477 } 1478 1479 1480 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s, 1481 struct dfs_event *radar) 1482 { 1483 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1484 return; 1485 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); 1486 hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq, 1487 radar->ht_enabled, radar->chan_offset, 1488 radar->chan_width, radar->cf1, radar->cf2); 1489 } 1490 1491 1492 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s, 1493 struct dfs_event *radar) 1494 { 1495 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]) 1496 return; 1497 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); 1498 hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq, 1499 radar->ht_enabled, radar->chan_offset, 1500 radar->chan_width, radar->cf1, radar->cf2); 1501 } 1502 #endif /* NEED_AP_MLME */ 1503 1504 1505 void ap_periodic(struct wpa_supplicant *wpa_s) 1506 { 1507 if (wpa_s->ap_iface) 1508 hostapd_periodic_iface(wpa_s->ap_iface); 1509 } 1510
Indexes created Wed May 06 00:24:28 UTC 2026