1 /* 2 * wpa_supplicant / WPS integration 3 * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #include "includes.h" 16 17 #include "common.h" 18 #include "eloop.h" 19 #include "uuid.h" 20 #include "crypto/dh_group5.h" 21 #include "common/ieee802_11_defs.h" 22 #include "common/ieee802_11_common.h" 23 #include "common/wpa_common.h" 24 #include "common/wpa_ctrl.h" 25 #include "eap_common/eap_wsc_common.h" 26 #include "eap_peer/eap.h" 27 #include "eapol_supp/eapol_supp_sm.h" 28 #include "rsn_supp/wpa.h" 29 #include "config.h" 30 #include "wpa_supplicant_i.h" 31 #include "driver_i.h" 32 #include "notify.h" 33 #include "blacklist.h" 34 #include "bss.h" 35 #include "scan.h" 36 #include "ap.h" 37 #include "p2p/p2p.h" 38 #include "p2p_supplicant.h" 39 #include "wps_supplicant.h" 40 41 42 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG 43 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3 44 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */ 45 46 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); 47 static void wpas_clear_wps(struct wpa_supplicant *wpa_s); 48 49 50 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) 51 { 52 if (!wpa_s->wps_success && 53 wpa_s->current_ssid && 54 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { 55 const u8 *bssid = wpa_s->bssid; 56 if (is_zero_ether_addr(bssid)) 57 bssid = wpa_s->pending_bssid; 58 59 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR 60 " did not succeed - continue trying to find " 61 "suitable AP", MAC2STR(bssid)); 62 wpa_blacklist_add(wpa_s, bssid); 63 64 wpa_supplicant_deauthenticate(wpa_s, 65 WLAN_REASON_DEAUTH_LEAVING); 66 wpa_s->reassociate = 1; 67 wpa_supplicant_req_scan(wpa_s, 68 wpa_s->blacklist_cleared ? 5 : 0, 0); 69 wpa_s->blacklist_cleared = 0; 70 return 1; 71 } 72 73 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 74 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) 75 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); 76 77 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && 78 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 79 int disabled = wpa_s->current_ssid->disabled; 80 unsigned int freq = wpa_s->assoc_freq; 81 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " 82 "try to associate with the received credential " 83 "(freq=%u)", freq); 84 wpa_supplicant_deauthenticate(wpa_s, 85 WLAN_REASON_DEAUTH_LEAVING); 86 if (disabled) { 87 wpa_printf(MSG_DEBUG, "WPS: Current network is " 88 "disabled - wait for user to enable"); 89 return 1; 90 } 91 wpa_s->after_wps = 5; 92 wpa_s->wps_freq = freq; 93 wpa_s->reassociate = 1; 94 wpa_supplicant_req_scan(wpa_s, 0, 0); 95 return 1; 96 } 97 98 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { 99 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " 100 "for external credential processing"); 101 wpas_clear_wps(wpa_s); 102 wpa_supplicant_deauthenticate(wpa_s, 103 WLAN_REASON_DEAUTH_LEAVING); 104 return 1; 105 } 106 107 return 0; 108 } 109 110 111 static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, 112 struct wpa_ssid *ssid, 113 const struct wps_credential *cred) 114 { 115 struct wpa_driver_capa capa; 116 struct wpa_bss *bss; 117 const u8 *ie; 118 struct wpa_ie_data adv; 119 int wpa2 = 0, ccmp = 0; 120 121 /* 122 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in 123 * case they are configured for mixed mode operation (WPA+WPA2 and 124 * TKIP+CCMP). Try to use scan results to figure out whether the AP 125 * actually supports stronger security and select that if the client 126 * has support for it, too. 127 */ 128 129 if (wpa_drv_get_capa(wpa_s, &capa)) 130 return; /* Unknown what driver supports */ 131 132 if (ssid->ssid == NULL) 133 return; 134 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); 135 if (bss == NULL) { 136 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " 137 "table - use credential as-is"); 138 return; 139 } 140 141 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); 142 143 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 144 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { 145 wpa2 = 1; 146 if (adv.pairwise_cipher & WPA_CIPHER_CCMP) 147 ccmp = 1; 148 } else { 149 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 150 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && 151 adv.pairwise_cipher & WPA_CIPHER_CCMP) 152 ccmp = 1; 153 } 154 155 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && 156 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { 157 /* 158 * TODO: This could be the initial AP configuration and the 159 * Beacon contents could change shortly. Should request a new 160 * scan and delay addition of the network until the updated 161 * scan results are available. 162 */ 163 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " 164 "support - use credential as-is"); 165 return; 166 } 167 168 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 169 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && 170 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { 171 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " 172 "based on scan results"); 173 if (wpa_s->conf->ap_scan == 1) 174 ssid->pairwise_cipher |= WPA_CIPHER_CCMP; 175 else 176 ssid->pairwise_cipher = WPA_CIPHER_CCMP; 177 } 178 179 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && 180 (ssid->proto & WPA_PROTO_WPA) && 181 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { 182 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " 183 "based on scan results"); 184 if (wpa_s->conf->ap_scan == 1) 185 ssid->proto |= WPA_PROTO_RSN; 186 else 187 ssid->proto = WPA_PROTO_RSN; 188 } 189 } 190 191 192 static int wpa_supplicant_wps_cred(void *ctx, 193 const struct wps_credential *cred) 194 { 195 struct wpa_supplicant *wpa_s = ctx; 196 struct wpa_ssid *ssid = wpa_s->current_ssid; 197 u8 key_idx = 0; 198 u16 auth_type; 199 #ifdef CONFIG_WPS_REG_DISABLE_OPEN 200 int registrar = 0; 201 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 202 203 if ((wpa_s->conf->wps_cred_processing == 1 || 204 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { 205 size_t blen = cred->cred_attr_len * 2 + 1; 206 char *buf = os_malloc(blen); 207 if (buf) { 208 wpa_snprintf_hex(buf, blen, 209 cred->cred_attr, cred->cred_attr_len); 210 wpa_msg(wpa_s, MSG_INFO, "%s%s", 211 WPS_EVENT_CRED_RECEIVED, buf); 212 os_free(buf); 213 } 214 215 wpas_notify_wps_credential(wpa_s, cred); 216 } else 217 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); 218 219 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", 220 cred->cred_attr, cred->cred_attr_len); 221 222 if (wpa_s->conf->wps_cred_processing == 1) 223 return 0; 224 225 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); 226 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", 227 cred->auth_type); 228 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); 229 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); 230 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 231 cred->key, cred->key_len); 232 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, 233 MAC2STR(cred->mac_addr)); 234 235 auth_type = cred->auth_type; 236 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 237 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " 238 "auth_type into WPA2PSK"); 239 auth_type = WPS_AUTH_WPA2PSK; 240 } 241 242 if (auth_type != WPS_AUTH_OPEN && 243 auth_type != WPS_AUTH_SHARED && 244 auth_type != WPS_AUTH_WPAPSK && 245 auth_type != WPS_AUTH_WPA2PSK) { 246 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " 247 "unsupported authentication type 0x%x", 248 auth_type); 249 return 0; 250 } 251 252 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 253 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " 254 "on the received credential"); 255 #ifdef CONFIG_WPS_REG_DISABLE_OPEN 256 if (ssid->eap.identity && 257 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && 258 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, 259 WSC_ID_REGISTRAR_LEN) == 0) 260 registrar = 1; 261 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 262 os_free(ssid->eap.identity); 263 ssid->eap.identity = NULL; 264 ssid->eap.identity_len = 0; 265 os_free(ssid->eap.phase1); 266 ssid->eap.phase1 = NULL; 267 os_free(ssid->eap.eap_methods); 268 ssid->eap.eap_methods = NULL; 269 if (!ssid->p2p_group) 270 ssid->temporary = 0; 271 } else { 272 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " 273 "received credential"); 274 ssid = wpa_config_add_network(wpa_s->conf); 275 if (ssid == NULL) 276 return -1; 277 wpas_notify_network_added(wpa_s, ssid); 278 } 279 280 wpa_config_set_network_defaults(ssid); 281 282 os_free(ssid->ssid); 283 ssid->ssid = os_malloc(cred->ssid_len); 284 if (ssid->ssid) { 285 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); 286 ssid->ssid_len = cred->ssid_len; 287 } 288 289 switch (cred->encr_type) { 290 case WPS_ENCR_NONE: 291 break; 292 case WPS_ENCR_WEP: 293 if (cred->key_len <= 0) 294 break; 295 if (cred->key_len != 5 && cred->key_len != 13 && 296 cred->key_len != 10 && cred->key_len != 26) { 297 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length " 298 "%lu", (unsigned long) cred->key_len); 299 return -1; 300 } 301 if (cred->key_idx > NUM_WEP_KEYS) { 302 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d", 303 cred->key_idx); 304 return -1; 305 } 306 if (cred->key_idx) 307 key_idx = cred->key_idx - 1; 308 if (cred->key_len == 10 || cred->key_len == 26) { 309 if (hexstr2bin((char *) cred->key, 310 ssid->wep_key[key_idx], 311 cred->key_len / 2) < 0) { 312 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key " 313 "%d", key_idx); 314 return -1; 315 } 316 ssid->wep_key_len[key_idx] = cred->key_len / 2; 317 } else { 318 os_memcpy(ssid->wep_key[key_idx], cred->key, 319 cred->key_len); 320 ssid->wep_key_len[key_idx] = cred->key_len; 321 } 322 ssid->wep_tx_keyidx = key_idx; 323 break; 324 case WPS_ENCR_TKIP: 325 ssid->pairwise_cipher = WPA_CIPHER_TKIP; 326 break; 327 case WPS_ENCR_AES: 328 ssid->pairwise_cipher = WPA_CIPHER_CCMP; 329 break; 330 } 331 332 switch (auth_type) { 333 case WPS_AUTH_OPEN: 334 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 335 ssid->key_mgmt = WPA_KEY_MGMT_NONE; 336 ssid->proto = 0; 337 #ifdef CONFIG_WPS_REG_DISABLE_OPEN 338 if (registrar) { 339 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK 340 "id=%d - Credentials for an open " 341 "network disabled by default - use " 342 "'select_network %d' to enable", 343 ssid->id, ssid->id); 344 ssid->disabled = 1; 345 } 346 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 347 break; 348 case WPS_AUTH_SHARED: 349 ssid->auth_alg = WPA_AUTH_ALG_SHARED; 350 ssid->key_mgmt = WPA_KEY_MGMT_NONE; 351 ssid->proto = 0; 352 break; 353 case WPS_AUTH_WPAPSK: 354 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 355 ssid->key_mgmt = WPA_KEY_MGMT_PSK; 356 ssid->proto = WPA_PROTO_WPA; 357 break; 358 case WPS_AUTH_WPA: 359 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 360 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X; 361 ssid->proto = WPA_PROTO_WPA; 362 break; 363 case WPS_AUTH_WPA2: 364 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 365 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X; 366 ssid->proto = WPA_PROTO_RSN; 367 break; 368 case WPS_AUTH_WPA2PSK: 369 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 370 ssid->key_mgmt = WPA_KEY_MGMT_PSK; 371 ssid->proto = WPA_PROTO_RSN; 372 break; 373 } 374 375 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { 376 if (cred->key_len == 2 * PMK_LEN) { 377 if (hexstr2bin((const char *) cred->key, ssid->psk, 378 PMK_LEN)) { 379 wpa_printf(MSG_ERROR, "WPS: Invalid Network " 380 "Key"); 381 return -1; 382 } 383 ssid->psk_set = 1; 384 ssid->export_keys = 1; 385 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { 386 os_free(ssid->passphrase); 387 ssid->passphrase = os_malloc(cred->key_len + 1); 388 if (ssid->passphrase == NULL) 389 return -1; 390 os_memcpy(ssid->passphrase, cred->key, cred->key_len); 391 ssid->passphrase[cred->key_len] = '\0'; 392 wpa_config_update_psk(ssid); 393 ssid->export_keys = 1; 394 } else { 395 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " 396 "length %lu", 397 (unsigned long) cred->key_len); 398 return -1; 399 } 400 } 401 402 wpas_wps_security_workaround(wpa_s, ssid, cred); 403 404 #ifndef CONFIG_NO_CONFIG_WRITE 405 if (wpa_s->conf->update_config && 406 wpa_config_write(wpa_s->confname, wpa_s->conf)) { 407 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); 408 return -1; 409 } 410 #endif /* CONFIG_NO_CONFIG_WRITE */ 411 412 return 0; 413 } 414 415 416 #ifdef CONFIG_P2P 417 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) 418 { 419 struct wpa_supplicant *wpa_s = eloop_ctx; 420 wpas_p2p_notif_pbc_overlap(wpa_s); 421 } 422 #endif /* CONFIG_P2P */ 423 424 425 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, 426 struct wps_event_m2d *m2d) 427 { 428 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D 429 "dev_password_id=%d config_error=%d", 430 m2d->dev_password_id, m2d->config_error); 431 wpas_notify_wps_event_m2d(wpa_s, m2d); 432 #ifdef CONFIG_P2P 433 if (wpa_s->parent && wpa_s->parent != wpa_s) { 434 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D 435 "dev_password_id=%d config_error=%d", 436 m2d->dev_password_id, m2d->config_error); 437 } 438 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { 439 /* 440 * Notify P2P from eloop timeout to avoid issues with the 441 * interface getting removed while processing a message. 442 */ 443 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s, 444 NULL); 445 } 446 #endif /* CONFIG_P2P */ 447 } 448 449 450 static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = { 451 "No Error", /* WPS_EI_NO_ERROR */ 452 "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */ 453 "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */ 454 }; 455 456 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, 457 struct wps_event_fail *fail) 458 { 459 if (fail->error_indication > 0 && 460 fail->error_indication < NUM_WPS_EI_VALUES) { 461 wpa_msg(wpa_s, MSG_INFO, 462 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", 463 fail->msg, fail->config_error, fail->error_indication, 464 wps_event_fail_reason[fail->error_indication]); 465 if (wpa_s->parent && wpa_s->parent != wpa_s) 466 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL 467 "msg=%d config_error=%d reason=%d (%s)", 468 fail->msg, fail->config_error, 469 fail->error_indication, 470 wps_event_fail_reason[fail->error_indication]); 471 } else { 472 wpa_msg(wpa_s, MSG_INFO, 473 WPS_EVENT_FAIL "msg=%d config_error=%d", 474 fail->msg, fail->config_error); 475 if (wpa_s->parent && wpa_s->parent != wpa_s) 476 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL 477 "msg=%d config_error=%d", 478 fail->msg, fail->config_error); 479 } 480 wpas_clear_wps(wpa_s); 481 wpas_notify_wps_event_fail(wpa_s, fail); 482 #ifdef CONFIG_P2P 483 wpas_p2p_wps_failed(wpa_s, fail); 484 #endif /* CONFIG_P2P */ 485 } 486 487 488 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) 489 { 490 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); 491 wpa_s->wps_success = 1; 492 wpas_notify_wps_event_success(wpa_s); 493 #ifdef CONFIG_P2P 494 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); 495 #endif /* CONFIG_P2P */ 496 } 497 498 499 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, 500 struct wps_event_er_ap *ap) 501 { 502 char uuid_str[100]; 503 char dev_type[WPS_DEV_TYPE_BUFSIZE]; 504 505 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 506 if (ap->pri_dev_type) 507 wps_dev_type_bin2str(ap->pri_dev_type, dev_type, 508 sizeof(dev_type)); 509 else 510 dev_type[0] = '\0'; 511 512 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR 513 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", 514 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, 515 ap->friendly_name ? ap->friendly_name : "", 516 ap->manufacturer ? ap->manufacturer : "", 517 ap->model_description ? ap->model_description : "", 518 ap->model_name ? ap->model_name : "", 519 ap->manufacturer_url ? ap->manufacturer_url : "", 520 ap->model_url ? ap->model_url : ""); 521 } 522 523 524 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, 525 struct wps_event_er_ap *ap) 526 { 527 char uuid_str[100]; 528 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 529 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); 530 } 531 532 533 static void wpa_supplicant_wps_event_er_enrollee_add( 534 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 535 { 536 char uuid_str[100]; 537 char dev_type[WPS_DEV_TYPE_BUFSIZE]; 538 539 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 540 if (enrollee->pri_dev_type) 541 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, 542 sizeof(dev_type)); 543 else 544 dev_type[0] = '\0'; 545 546 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR 547 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " 548 "|%s|%s|%s|%s|%s|", 549 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, 550 enrollee->config_methods, enrollee->dev_passwd_id, dev_type, 551 enrollee->dev_name ? enrollee->dev_name : "", 552 enrollee->manufacturer ? enrollee->manufacturer : "", 553 enrollee->model_name ? enrollee->model_name : "", 554 enrollee->model_number ? enrollee->model_number : "", 555 enrollee->serial_number ? enrollee->serial_number : ""); 556 } 557 558 559 static void wpa_supplicant_wps_event_er_enrollee_remove( 560 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 561 { 562 char uuid_str[100]; 563 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 564 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, 565 uuid_str, MAC2STR(enrollee->mac_addr)); 566 } 567 568 569 static void wpa_supplicant_wps_event_er_ap_settings( 570 struct wpa_supplicant *wpa_s, 571 struct wps_event_er_ap_settings *ap_settings) 572 { 573 char uuid_str[100]; 574 char key_str[65]; 575 const struct wps_credential *cred = ap_settings->cred; 576 577 key_str[0] = '\0'; 578 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 579 if (cred->key_len >= 8 && cred->key_len <= 64) { 580 os_memcpy(key_str, cred->key, cred->key_len); 581 key_str[cred->key_len] = '\0'; 582 } 583 } 584 585 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); 586 /* Use wpa_msg_ctrl to avoid showing the key in debug log */ 587 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS 588 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " 589 "key=%s", 590 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), 591 cred->auth_type, cred->encr_type, key_str); 592 } 593 594 595 static void wpa_supplicant_wps_event_er_set_sel_reg( 596 struct wpa_supplicant *wpa_s, 597 struct wps_event_er_set_selected_registrar *ev) 598 { 599 char uuid_str[100]; 600 601 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); 602 switch (ev->state) { 603 case WPS_ER_SET_SEL_REG_START: 604 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG 605 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " 606 "sel_reg_config_methods=0x%x", 607 uuid_str, ev->sel_reg, ev->dev_passwd_id, 608 ev->sel_reg_config_methods); 609 break; 610 case WPS_ER_SET_SEL_REG_DONE: 611 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG 612 "uuid=%s state=DONE", uuid_str); 613 break; 614 case WPS_ER_SET_SEL_REG_FAILED: 615 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG 616 "uuid=%s state=FAILED", uuid_str); 617 break; 618 } 619 } 620 621 622 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, 623 union wps_event_data *data) 624 { 625 struct wpa_supplicant *wpa_s = ctx; 626 switch (event) { 627 case WPS_EV_M2D: 628 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); 629 break; 630 case WPS_EV_FAIL: 631 wpa_supplicant_wps_event_fail(wpa_s, &data->fail); 632 break; 633 case WPS_EV_SUCCESS: 634 wpa_supplicant_wps_event_success(wpa_s); 635 break; 636 case WPS_EV_PWD_AUTH_FAIL: 637 #ifdef CONFIG_AP 638 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) 639 wpa_supplicant_ap_pwd_auth_fail(wpa_s); 640 #endif /* CONFIG_AP */ 641 break; 642 case WPS_EV_PBC_OVERLAP: 643 break; 644 case WPS_EV_PBC_TIMEOUT: 645 break; 646 case WPS_EV_ER_AP_ADD: 647 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); 648 break; 649 case WPS_EV_ER_AP_REMOVE: 650 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); 651 break; 652 case WPS_EV_ER_ENROLLEE_ADD: 653 wpa_supplicant_wps_event_er_enrollee_add(wpa_s, 654 &data->enrollee); 655 break; 656 case WPS_EV_ER_ENROLLEE_REMOVE: 657 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, 658 &data->enrollee); 659 break; 660 case WPS_EV_ER_AP_SETTINGS: 661 wpa_supplicant_wps_event_er_ap_settings(wpa_s, 662 &data->ap_settings); 663 break; 664 case WPS_EV_ER_SET_SELECTED_REGISTRAR: 665 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, 666 &data->set_sel_reg); 667 break; 668 case WPS_EV_AP_PIN_SUCCESS: 669 break; 670 } 671 } 672 673 674 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) 675 { 676 if (eap_is_wps_pbc_enrollee(&ssid->eap) || 677 eap_is_wps_pin_enrollee(&ssid->eap)) 678 return WPS_REQ_ENROLLEE; 679 else 680 return WPS_REQ_REGISTRAR; 681 } 682 683 684 static void wpas_clear_wps(struct wpa_supplicant *wpa_s) 685 { 686 int id; 687 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; 688 689 prev_current = wpa_s->current_ssid; 690 691 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 692 693 /* Remove any existing WPS network from configuration */ 694 ssid = wpa_s->conf->ssid; 695 while (ssid) { 696 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 697 if (ssid == wpa_s->current_ssid) { 698 wpa_s->current_ssid = NULL; 699 if (ssid != NULL) 700 wpas_notify_network_changed(wpa_s); 701 } 702 id = ssid->id; 703 remove_ssid = ssid; 704 } else 705 id = -1; 706 ssid = ssid->next; 707 if (id >= 0) { 708 if (prev_current == remove_ssid) { 709 wpa_sm_set_config(wpa_s->wpa, NULL); 710 eapol_sm_notify_config(wpa_s->eapol, NULL, 711 NULL); 712 } 713 wpas_notify_network_removed(wpa_s, remove_ssid); 714 wpa_config_remove_network(wpa_s->conf, id); 715 } 716 } 717 } 718 719 720 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) 721 { 722 struct wpa_supplicant *wpa_s = eloop_ctx; 723 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " 724 "out"); 725 wpas_clear_wps(wpa_s); 726 } 727 728 729 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, 730 int registrar, const u8 *bssid) 731 { 732 struct wpa_ssid *ssid; 733 734 ssid = wpa_config_add_network(wpa_s->conf); 735 if (ssid == NULL) 736 return NULL; 737 wpas_notify_network_added(wpa_s, ssid); 738 wpa_config_set_network_defaults(ssid); 739 ssid->temporary = 1; 740 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || 741 wpa_config_set(ssid, "eap", "WSC", 0) < 0 || 742 wpa_config_set(ssid, "identity", registrar ? 743 "\"" WSC_ID_REGISTRAR "\"" : 744 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { 745 wpas_notify_network_removed(wpa_s, ssid); 746 wpa_config_remove_network(wpa_s->conf, ssid->id); 747 return NULL; 748 } 749 750 if (bssid) { 751 #ifndef CONFIG_P2P 752 struct wpa_bss *bss; 753 int count = 0; 754 #endif /* CONFIG_P2P */ 755 756 os_memcpy(ssid->bssid, bssid, ETH_ALEN); 757 ssid->bssid_set = 1; 758 759 /* 760 * Note: With P2P, the SSID may change at the time the WPS 761 * provisioning is started, so better not filter the AP based 762 * on the current SSID in the scan results. 763 */ 764 #ifndef CONFIG_P2P 765 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 766 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) 767 continue; 768 769 os_free(ssid->ssid); 770 ssid->ssid = os_malloc(bss->ssid_len); 771 if (ssid->ssid == NULL) 772 break; 773 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); 774 ssid->ssid_len = bss->ssid_len; 775 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " 776 "scan results", 777 ssid->ssid, ssid->ssid_len); 778 count++; 779 } 780 781 if (count > 1) { 782 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " 783 "for the AP; use wildcard"); 784 os_free(ssid->ssid); 785 ssid->ssid = NULL; 786 ssid->ssid_len = 0; 787 } 788 #endif /* CONFIG_P2P */ 789 } 790 791 return ssid; 792 } 793 794 795 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, 796 struct wpa_ssid *selected) 797 { 798 struct wpa_ssid *ssid; 799 800 if (wpa_s->current_ssid) 801 wpa_supplicant_deauthenticate( 802 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 803 804 /* Mark all other networks disabled and trigger reassociation */ 805 ssid = wpa_s->conf->ssid; 806 while (ssid) { 807 int was_disabled = ssid->disabled; 808 /* 809 * In case the network object corresponds to a persistent group 810 * then do not send out network disabled signal. In addition, 811 * do not change disabled status of persistent network objects 812 * from 2 to 1 should we connect to another network. 813 */ 814 if (was_disabled != 2) { 815 ssid->disabled = ssid != selected; 816 if (was_disabled != ssid->disabled) 817 wpas_notify_network_enabled_changed(wpa_s, 818 ssid); 819 } 820 ssid = ssid->next; 821 } 822 wpa_s->disconnected = 0; 823 wpa_s->reassociate = 1; 824 wpa_s->scan_runs = 0; 825 wpa_s->wps_success = 0; 826 wpa_s->blacklist_cleared = 0; 827 wpa_supplicant_req_scan(wpa_s, 0, 0); 828 } 829 830 831 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, 832 int p2p_group) 833 { 834 struct wpa_ssid *ssid; 835 wpas_clear_wps(wpa_s); 836 ssid = wpas_wps_add_network(wpa_s, 0, bssid); 837 if (ssid == NULL) 838 return -1; 839 ssid->temporary = 1; 840 ssid->p2p_group = p2p_group; 841 #ifdef CONFIG_P2P 842 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { 843 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); 844 if (ssid->ssid) { 845 ssid->ssid_len = wpa_s->go_params->ssid_len; 846 os_memcpy(ssid->ssid, wpa_s->go_params->ssid, 847 ssid->ssid_len); 848 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " 849 "SSID", ssid->ssid, ssid->ssid_len); 850 } 851 } 852 #endif /* CONFIG_P2P */ 853 wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0); 854 if (wpa_s->wps_fragment_size) 855 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 856 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 857 wpa_s, NULL); 858 wpas_wps_reassoc(wpa_s, ssid); 859 return 0; 860 } 861 862 863 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, 864 const char *pin, int p2p_group, u16 dev_pw_id) 865 { 866 struct wpa_ssid *ssid; 867 char val[128]; 868 unsigned int rpin = 0; 869 870 wpas_clear_wps(wpa_s); 871 ssid = wpas_wps_add_network(wpa_s, 0, bssid); 872 if (ssid == NULL) 873 return -1; 874 ssid->temporary = 1; 875 ssid->p2p_group = p2p_group; 876 #ifdef CONFIG_P2P 877 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { 878 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); 879 if (ssid->ssid) { 880 ssid->ssid_len = wpa_s->go_params->ssid_len; 881 os_memcpy(ssid->ssid, wpa_s->go_params->ssid, 882 ssid->ssid_len); 883 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " 884 "SSID", ssid->ssid, ssid->ssid_len); 885 } 886 } 887 #endif /* CONFIG_P2P */ 888 if (pin) 889 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"", 890 pin, dev_pw_id); 891 else { 892 rpin = wps_generate_pin(); 893 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"", 894 rpin, dev_pw_id); 895 } 896 wpa_config_set(ssid, "phase1", val, 0); 897 if (wpa_s->wps_fragment_size) 898 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 899 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 900 wpa_s, NULL); 901 wpas_wps_reassoc(wpa_s, ssid); 902 return rpin; 903 } 904 905 906 /* Cancel the wps pbc/pin requests */ 907 int wpas_wps_cancel(struct wpa_supplicant *wpa_s) 908 { 909 #ifdef CONFIG_AP 910 if (wpa_s->ap_iface) { 911 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); 912 return wpa_supplicant_ap_wps_cancel(wpa_s); 913 } 914 #endif /* CONFIG_AP */ 915 916 if (wpa_s->wpa_state == WPA_SCANNING) { 917 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); 918 wpa_supplicant_cancel_scan(wpa_s); 919 wpas_clear_wps(wpa_s); 920 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { 921 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " 922 "deauthenticate"); 923 wpa_supplicant_deauthenticate(wpa_s, 924 WLAN_REASON_DEAUTH_LEAVING); 925 wpas_clear_wps(wpa_s); 926 } 927 928 return 0; 929 } 930 931 932 #ifdef CONFIG_WPS_OOB 933 int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type, 934 char *path, char *method, char *name) 935 { 936 struct wps_context *wps = wpa_s->wps; 937 struct oob_device_data *oob_dev; 938 939 oob_dev = wps_get_oob_device(device_type); 940 if (oob_dev == NULL) 941 return -1; 942 oob_dev->device_path = path; 943 oob_dev->device_name = name; 944 wps->oob_conf.oob_method = wps_get_oob_method(method); 945 946 if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) { 947 /* 948 * Use pre-configured DH keys in order to be able to write the 949 * key hash into the OOB file. 950 */ 951 wpabuf_free(wps->dh_pubkey); 952 wpabuf_free(wps->dh_privkey); 953 wps->dh_privkey = NULL; 954 wps->dh_pubkey = NULL; 955 dh5_free(wps->dh_ctx); 956 wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey); 957 wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192); 958 if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) { 959 wpa_printf(MSG_ERROR, "WPS: Failed to initialize " 960 "Diffie-Hellman handshake"); 961 return -1; 962 } 963 } 964 965 if (wps->oob_conf.oob_method == OOB_METHOD_CRED) 966 wpas_clear_wps(wpa_s); 967 968 if (wps_process_oob(wps, oob_dev, 0) < 0) 969 return -1; 970 971 if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E || 972 wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) && 973 wpas_wps_start_pin(wpa_s, NULL, 974 wpabuf_head(wps->oob_conf.dev_password), 0, 975 DEV_PW_DEFAULT) < 0) 976 return -1; 977 978 return 0; 979 } 980 #endif /* CONFIG_WPS_OOB */ 981 982 983 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, 984 const char *pin, struct wps_new_ap_settings *settings) 985 { 986 struct wpa_ssid *ssid; 987 char val[200]; 988 char *pos, *end; 989 int res; 990 991 if (!pin) 992 return -1; 993 wpas_clear_wps(wpa_s); 994 ssid = wpas_wps_add_network(wpa_s, 1, bssid); 995 if (ssid == NULL) 996 return -1; 997 ssid->temporary = 1; 998 pos = val; 999 end = pos + sizeof(val); 1000 res = os_snprintf(pos, end - pos, "\"pin=%s", pin); 1001 if (res < 0 || res >= end - pos) 1002 return -1; 1003 pos += res; 1004 if (settings) { 1005 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " 1006 "new_encr=%s new_key=%s", 1007 settings->ssid_hex, settings->auth, 1008 settings->encr, settings->key_hex); 1009 if (res < 0 || res >= end - pos) 1010 return -1; 1011 pos += res; 1012 } 1013 res = os_snprintf(pos, end - pos, "\""); 1014 if (res < 0 || res >= end - pos) 1015 return -1; 1016 wpa_config_set(ssid, "phase1", val, 0); 1017 if (wpa_s->wps_fragment_size) 1018 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 1019 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 1020 wpa_s, NULL); 1021 wpas_wps_reassoc(wpa_s, ssid); 1022 return 0; 1023 } 1024 1025 1026 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, 1027 size_t psk_len) 1028 { 1029 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for " 1030 "STA " MACSTR, MAC2STR(mac_addr)); 1031 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); 1032 1033 /* TODO */ 1034 1035 return 0; 1036 } 1037 1038 1039 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, 1040 const struct wps_device_data *dev) 1041 { 1042 char uuid[40], txt[400]; 1043 int len; 1044 char devtype[WPS_DEV_TYPE_BUFSIZE]; 1045 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 1046 return; 1047 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); 1048 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR 1049 " [%s|%s|%s|%s|%s|%s]", 1050 uuid, MAC2STR(dev->mac_addr), dev->device_name, 1051 dev->manufacturer, dev->model_name, 1052 dev->model_number, dev->serial_number, 1053 wps_dev_type_bin2str(dev->pri_dev_type, devtype, 1054 sizeof(devtype))); 1055 if (len > 0 && len < (int) sizeof(txt)) 1056 wpa_printf(MSG_INFO, "%s", txt); 1057 } 1058 1059 1060 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, 1061 u16 sel_reg_config_methods) 1062 { 1063 #ifdef CONFIG_WPS_ER 1064 struct wpa_supplicant *wpa_s = ctx; 1065 1066 if (wpa_s->wps_er == NULL) 1067 return; 1068 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " 1069 "dev_password_id=%u sel_reg_config_methods=0x%x", 1070 sel_reg, dev_passwd_id, sel_reg_config_methods); 1071 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, 1072 sel_reg_config_methods); 1073 #endif /* CONFIG_WPS_ER */ 1074 } 1075 1076 1077 static u16 wps_fix_config_methods(u16 config_methods) 1078 { 1079 #ifdef CONFIG_WPS2 1080 if ((config_methods & 1081 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | 1082 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { 1083 wpa_printf(MSG_INFO, "WPS: Converting display to " 1084 "virtual_display for WPS 2.0 compliance"); 1085 config_methods |= WPS_CONFIG_VIRT_DISPLAY; 1086 } 1087 if ((config_methods & 1088 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | 1089 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { 1090 wpa_printf(MSG_INFO, "WPS: Converting push_button to " 1091 "virtual_push_button for WPS 2.0 compliance"); 1092 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 1093 } 1094 #endif /* CONFIG_WPS2 */ 1095 1096 return config_methods; 1097 } 1098 1099 1100 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, 1101 struct wps_context *wps) 1102 { 1103 wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname); 1104 if (is_nil_uuid(wpa_s->conf->uuid)) { 1105 struct wpa_supplicant *first; 1106 first = wpa_s->global->ifaces; 1107 while (first && first->next) 1108 first = first->next; 1109 if (first && first != wpa_s) { 1110 os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid, 1111 WPS_UUID_LEN); 1112 wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first " 1113 "interface", wps->uuid, WPS_UUID_LEN); 1114 } else { 1115 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); 1116 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC " 1117 "address", wps->uuid, WPS_UUID_LEN); 1118 } 1119 } else { 1120 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); 1121 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration", 1122 wps->uuid, WPS_UUID_LEN); 1123 } 1124 } 1125 1126 1127 int wpas_wps_init(struct wpa_supplicant *wpa_s) 1128 { 1129 struct wps_context *wps; 1130 struct wps_registrar_config rcfg; 1131 struct hostapd_hw_modes *modes; 1132 u16 m; 1133 1134 wps = os_zalloc(sizeof(*wps)); 1135 if (wps == NULL) 1136 return -1; 1137 1138 wps->cred_cb = wpa_supplicant_wps_cred; 1139 wps->event_cb = wpa_supplicant_wps_event; 1140 wps->cb_ctx = wpa_s; 1141 1142 wps->dev.device_name = wpa_s->conf->device_name; 1143 wps->dev.manufacturer = wpa_s->conf->manufacturer; 1144 wps->dev.model_name = wpa_s->conf->model_name; 1145 wps->dev.model_number = wpa_s->conf->model_number; 1146 wps->dev.serial_number = wpa_s->conf->serial_number; 1147 wps->config_methods = 1148 wps_config_methods_str2bin(wpa_s->conf->config_methods); 1149 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == 1150 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { 1151 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " 1152 "methods are not allowed at the same time"); 1153 os_free(wps); 1154 return -1; 1155 } 1156 wps->config_methods = wps_fix_config_methods(wps->config_methods); 1157 wps->dev.config_methods = wps->config_methods; 1158 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, 1159 WPS_DEV_TYPE_LEN); 1160 1161 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; 1162 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, 1163 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); 1164 1165 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 1166 modes = wpa_s->hw.modes; 1167 if (modes) { 1168 for (m = 0; m < wpa_s->hw.num_modes; m++) { 1169 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || 1170 modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1171 wps->dev.rf_bands |= WPS_RF_24GHZ; 1172 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) 1173 wps->dev.rf_bands |= WPS_RF_50GHZ; 1174 } 1175 } 1176 if (wps->dev.rf_bands == 0) { 1177 /* 1178 * Default to claiming support for both bands if the driver 1179 * does not provide support for fetching supported bands. 1180 */ 1181 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; 1182 } 1183 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); 1184 wpas_wps_set_uuid(wpa_s, wps); 1185 1186 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; 1187 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; 1188 1189 os_memset(&rcfg, 0, sizeof(rcfg)); 1190 rcfg.new_psk_cb = wpas_wps_new_psk_cb; 1191 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; 1192 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; 1193 rcfg.cb_ctx = wpa_s; 1194 1195 wps->registrar = wps_registrar_init(wps, &rcfg); 1196 if (wps->registrar == NULL) { 1197 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); 1198 os_free(wps); 1199 return -1; 1200 } 1201 1202 wpa_s->wps = wps; 1203 1204 return 0; 1205 } 1206 1207 1208 void wpas_wps_deinit(struct wpa_supplicant *wpa_s) 1209 { 1210 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 1211 1212 if (wpa_s->wps == NULL) 1213 return; 1214 1215 #ifdef CONFIG_WPS_ER 1216 wps_er_deinit(wpa_s->wps_er, NULL, NULL); 1217 wpa_s->wps_er = NULL; 1218 #endif /* CONFIG_WPS_ER */ 1219 1220 wps_registrar_deinit(wpa_s->wps->registrar); 1221 wpabuf_free(wpa_s->wps->dh_pubkey); 1222 wpabuf_free(wpa_s->wps->dh_privkey); 1223 wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash); 1224 wpabuf_free(wpa_s->wps->oob_conf.dev_password); 1225 os_free(wpa_s->wps->network_key); 1226 os_free(wpa_s->wps); 1227 wpa_s->wps = NULL; 1228 } 1229 1230 1231 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, 1232 struct wpa_ssid *ssid, struct wpa_scan_res *bss) 1233 { 1234 struct wpabuf *wps_ie; 1235 1236 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) 1237 return -1; 1238 1239 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1240 if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 1241 if (!wps_ie) { 1242 wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 1243 return 0; 1244 } 1245 1246 if (!wps_is_selected_pbc_registrar(wps_ie)) { 1247 wpa_printf(MSG_DEBUG, " skip - WPS AP " 1248 "without active PBC Registrar"); 1249 wpabuf_free(wps_ie); 1250 return 0; 1251 } 1252 1253 /* TODO: overlap detection */ 1254 wpa_printf(MSG_DEBUG, " selected based on WPS IE " 1255 "(Active PBC)"); 1256 wpabuf_free(wps_ie); 1257 return 1; 1258 } 1259 1260 if (eap_is_wps_pin_enrollee(&ssid->eap)) { 1261 if (!wps_ie) { 1262 wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 1263 return 0; 1264 } 1265 1266 /* 1267 * Start with WPS APs that advertise our address as an 1268 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and 1269 * allow any WPS AP after couple of scans since some APs do not 1270 * set Selected Registrar attribute properly when using 1271 * external Registrar. 1272 */ 1273 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { 1274 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { 1275 wpa_printf(MSG_DEBUG, " skip - WPS AP " 1276 "without active PIN Registrar"); 1277 wpabuf_free(wps_ie); 1278 return 0; 1279 } 1280 wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 1281 } else { 1282 wpa_printf(MSG_DEBUG, " selected based on WPS IE " 1283 "(Authorized MAC or Active PIN)"); 1284 } 1285 wpabuf_free(wps_ie); 1286 return 1; 1287 } 1288 1289 if (wps_ie) { 1290 wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 1291 wpabuf_free(wps_ie); 1292 return 1; 1293 } 1294 1295 return -1; 1296 } 1297 1298 1299 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, 1300 struct wpa_ssid *ssid, 1301 struct wpa_scan_res *bss) 1302 { 1303 struct wpabuf *wps_ie = NULL; 1304 int ret = 0; 1305 1306 if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 1307 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1308 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { 1309 /* allow wildcard SSID for WPS PBC */ 1310 ret = 1; 1311 } 1312 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { 1313 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1314 if (wps_ie && 1315 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || 1316 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { 1317 /* allow wildcard SSID for WPS PIN */ 1318 ret = 1; 1319 } 1320 } 1321 1322 if (!ret && ssid->bssid_set && 1323 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { 1324 /* allow wildcard SSID due to hardcoded BSSID match */ 1325 ret = 1; 1326 } 1327 1328 #ifdef CONFIG_WPS_STRICT 1329 if (wps_ie) { 1330 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > 1331 0, bss->bssid) < 0) 1332 ret = 0; 1333 if (bss->beacon_ie_len) { 1334 struct wpabuf *bcn_wps; 1335 bcn_wps = wpa_scan_get_vendor_ie_multi_beacon( 1336 bss, WPS_IE_VENDOR_TYPE); 1337 if (bcn_wps == NULL) { 1338 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " 1339 "missing from AP Beacon"); 1340 ret = 0; 1341 } else { 1342 if (wps_validate_beacon(wps_ie) < 0) 1343 ret = 0; 1344 wpabuf_free(bcn_wps); 1345 } 1346 } 1347 } 1348 #endif /* CONFIG_WPS_STRICT */ 1349 1350 wpabuf_free(wps_ie); 1351 1352 return ret; 1353 } 1354 1355 1356 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, 1357 struct wpa_bss *selected, struct wpa_ssid *ssid) 1358 { 1359 const u8 *sel_uuid, *uuid; 1360 struct wpabuf *wps_ie; 1361 int ret = 0; 1362 struct wpa_bss *bss; 1363 1364 if (!eap_is_wps_pbc_enrollee(&ssid->eap)) 1365 return 0; 1366 1367 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " 1368 "present in scan results; selected BSSID " MACSTR, 1369 MAC2STR(selected->bssid)); 1370 1371 /* Make sure that only one AP is in active PBC mode */ 1372 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); 1373 if (wps_ie) { 1374 sel_uuid = wps_get_uuid_e(wps_ie); 1375 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", 1376 sel_uuid, UUID_LEN); 1377 } else { 1378 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " 1379 "WPS IE?!"); 1380 sel_uuid = NULL; 1381 } 1382 1383 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1384 struct wpabuf *ie; 1385 if (bss == selected) 1386 continue; 1387 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1388 if (!ie) 1389 continue; 1390 if (!wps_is_selected_pbc_registrar(ie)) { 1391 wpabuf_free(ie); 1392 continue; 1393 } 1394 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " 1395 MACSTR, MAC2STR(bss->bssid)); 1396 uuid = wps_get_uuid_e(ie); 1397 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", 1398 uuid, UUID_LEN); 1399 if (sel_uuid == NULL || uuid == NULL || 1400 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) { 1401 ret = 1; /* PBC overlap */ 1402 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " 1403 MACSTR " and " MACSTR, 1404 MAC2STR(selected->bssid), 1405 MAC2STR(bss->bssid)); 1406 wpabuf_free(ie); 1407 break; 1408 } 1409 1410 /* TODO: verify that this is reasonable dual-band situation */ 1411 1412 wpabuf_free(ie); 1413 } 1414 1415 wpabuf_free(wps_ie); 1416 1417 return ret; 1418 } 1419 1420 1421 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) 1422 { 1423 struct wpa_bss *bss; 1424 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; 1425 1426 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) 1427 return; 1428 1429 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1430 struct wpabuf *ie; 1431 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1432 if (!ie) 1433 continue; 1434 if (wps_is_selected_pbc_registrar(ie)) 1435 pbc++; 1436 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) 1437 auth++; 1438 else if (wps_is_selected_pin_registrar(ie)) 1439 pin++; 1440 else 1441 wps++; 1442 wpabuf_free(ie); 1443 } 1444 1445 if (pbc) 1446 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); 1447 else if (auth) 1448 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); 1449 else if (pin) 1450 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); 1451 else if (wps) 1452 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); 1453 } 1454 1455 1456 int wpas_wps_searching(struct wpa_supplicant *wpa_s) 1457 { 1458 struct wpa_ssid *ssid; 1459 1460 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1461 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) 1462 return 1; 1463 } 1464 1465 return 0; 1466 } 1467 1468 1469 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, 1470 char *end) 1471 { 1472 struct wpabuf *wps_ie; 1473 int ret; 1474 1475 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); 1476 if (wps_ie == NULL) 1477 return 0; 1478 1479 ret = wps_attr_text(wps_ie, buf, end); 1480 wpabuf_free(wps_ie); 1481 return ret; 1482 } 1483 1484 1485 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) 1486 { 1487 #ifdef CONFIG_WPS_ER 1488 if (wpa_s->wps_er) { 1489 wps_er_refresh(wpa_s->wps_er); 1490 return 0; 1491 } 1492 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); 1493 if (wpa_s->wps_er == NULL) 1494 return -1; 1495 return 0; 1496 #else /* CONFIG_WPS_ER */ 1497 return 0; 1498 #endif /* CONFIG_WPS_ER */ 1499 } 1500 1501 1502 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s) 1503 { 1504 #ifdef CONFIG_WPS_ER 1505 wps_er_deinit(wpa_s->wps_er, NULL, NULL); 1506 wpa_s->wps_er = NULL; 1507 #endif /* CONFIG_WPS_ER */ 1508 return 0; 1509 } 1510 1511 1512 #ifdef CONFIG_WPS_ER 1513 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, 1514 const char *uuid, const char *pin) 1515 { 1516 u8 u[UUID_LEN]; 1517 int any = 0; 1518 1519 if (os_strcmp(uuid, "any") == 0) 1520 any = 1; 1521 else if (uuid_str2bin(uuid, u)) 1522 return -1; 1523 return wps_registrar_add_pin(wpa_s->wps->registrar, addr, 1524 any ? NULL : u, 1525 (const u8 *) pin, os_strlen(pin), 300); 1526 } 1527 1528 1529 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) 1530 { 1531 u8 u[UUID_LEN]; 1532 1533 if (uuid_str2bin(uuid, u)) 1534 return -1; 1535 return wps_er_pbc(wpa_s->wps_er, u); 1536 } 1537 1538 1539 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, 1540 const char *pin) 1541 { 1542 u8 u[UUID_LEN]; 1543 1544 if (uuid_str2bin(uuid, u)) 1545 return -1; 1546 return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin, 1547 os_strlen(pin)); 1548 } 1549 1550 1551 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, 1552 int id) 1553 { 1554 u8 u[UUID_LEN]; 1555 struct wpa_ssid *ssid; 1556 struct wps_credential cred; 1557 1558 if (uuid_str2bin(uuid, u)) 1559 return -1; 1560 ssid = wpa_config_get_network(wpa_s->conf, id); 1561 if (ssid == NULL || ssid->ssid == NULL) 1562 return -1; 1563 1564 os_memset(&cred, 0, sizeof(cred)); 1565 if (ssid->ssid_len > 32) 1566 return -1; 1567 os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len); 1568 cred.ssid_len = ssid->ssid_len; 1569 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 1570 cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ? 1571 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; 1572 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) 1573 cred.encr_type = WPS_ENCR_AES; 1574 else 1575 cred.encr_type = WPS_ENCR_TKIP; 1576 if (ssid->passphrase) { 1577 cred.key_len = os_strlen(ssid->passphrase); 1578 if (cred.key_len >= 64) 1579 return -1; 1580 os_memcpy(cred.key, ssid->passphrase, cred.key_len); 1581 } else if (ssid->psk_set) { 1582 cred.key_len = 32; 1583 os_memcpy(cred.key, ssid->psk, 32); 1584 } else 1585 return -1; 1586 } else { 1587 cred.auth_type = WPS_AUTH_OPEN; 1588 cred.encr_type = WPS_ENCR_NONE; 1589 } 1590 return wps_er_set_config(wpa_s->wps_er, u, &cred); 1591 } 1592 1593 1594 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, 1595 const char *pin, struct wps_new_ap_settings *settings) 1596 { 1597 u8 u[UUID_LEN]; 1598 struct wps_credential cred; 1599 size_t len; 1600 1601 if (uuid_str2bin(uuid, u)) 1602 return -1; 1603 if (settings->ssid_hex == NULL || settings->auth == NULL || 1604 settings->encr == NULL || settings->key_hex == NULL) 1605 return -1; 1606 1607 os_memset(&cred, 0, sizeof(cred)); 1608 len = os_strlen(settings->ssid_hex); 1609 if ((len & 1) || len > 2 * sizeof(cred.ssid) || 1610 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) 1611 return -1; 1612 cred.ssid_len = len / 2; 1613 1614 len = os_strlen(settings->key_hex); 1615 if ((len & 1) || len > 2 * sizeof(cred.key) || 1616 hexstr2bin(settings->key_hex, cred.key, len / 2)) 1617 return -1; 1618 cred.key_len = len / 2; 1619 1620 if (os_strcmp(settings->auth, "OPEN") == 0) 1621 cred.auth_type = WPS_AUTH_OPEN; 1622 else if (os_strcmp(settings->auth, "WPAPSK") == 0) 1623 cred.auth_type = WPS_AUTH_WPAPSK; 1624 else if (os_strcmp(settings->auth, "WPA2PSK") == 0) 1625 cred.auth_type = WPS_AUTH_WPA2PSK; 1626 else 1627 return -1; 1628 1629 if (os_strcmp(settings->encr, "NONE") == 0) 1630 cred.encr_type = WPS_ENCR_NONE; 1631 else if (os_strcmp(settings->encr, "WEP") == 0) 1632 cred.encr_type = WPS_ENCR_WEP; 1633 else if (os_strcmp(settings->encr, "TKIP") == 0) 1634 cred.encr_type = WPS_ENCR_TKIP; 1635 else if (os_strcmp(settings->encr, "CCMP") == 0) 1636 cred.encr_type = WPS_ENCR_AES; 1637 else 1638 return -1; 1639 1640 return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin, 1641 os_strlen(pin), &cred); 1642 } 1643 1644 1645 static int callbacks_pending = 0; 1646 1647 static void wpas_wps_terminate_cb(void *ctx) 1648 { 1649 wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); 1650 if (--callbacks_pending <= 0) 1651 eloop_terminate(); 1652 } 1653 #endif /* CONFIG_WPS_ER */ 1654 1655 1656 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) 1657 { 1658 #ifdef CONFIG_WPS_ER 1659 if (wpa_s->wps_er) { 1660 callbacks_pending++; 1661 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); 1662 wpa_s->wps_er = NULL; 1663 return 1; 1664 } 1665 #endif /* CONFIG_WPS_ER */ 1666 return 0; 1667 } 1668 1669 1670 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s) 1671 { 1672 struct wpa_ssid *ssid; 1673 1674 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1675 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS) 1676 return 1; 1677 } 1678 1679 return 0; 1680 } 1681 1682 1683 void wpas_wps_update_config(struct wpa_supplicant *wpa_s) 1684 { 1685 struct wps_context *wps = wpa_s->wps; 1686 1687 if (wps == NULL) 1688 return; 1689 1690 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { 1691 wps->config_methods = wps_config_methods_str2bin( 1692 wpa_s->conf->config_methods); 1693 if ((wps->config_methods & 1694 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == 1695 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { 1696 wpa_printf(MSG_ERROR, "WPS: Both Label and Display " 1697 "config methods are not allowed at the " 1698 "same time"); 1699 wps->config_methods &= ~WPS_CONFIG_LABEL; 1700 } 1701 } 1702 wps->config_methods = wps_fix_config_methods(wps->config_methods); 1703 1704 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) 1705 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, 1706 WPS_DEV_TYPE_LEN); 1707 1708 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { 1709 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; 1710 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, 1711 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); 1712 } 1713 1714 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) 1715 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 1716 1717 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) 1718 wpas_wps_set_uuid(wpa_s, wps); 1719 1720 if (wpa_s->conf->changed_parameters & 1721 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { 1722 /* Update pointers to make sure they refer current values */ 1723 wps->dev.device_name = wpa_s->conf->device_name; 1724 wps->dev.manufacturer = wpa_s->conf->manufacturer; 1725 wps->dev.model_name = wpa_s->conf->model_name; 1726 wps->dev.model_number = wpa_s->conf->model_number; 1727 wps->dev.serial_number = wpa_s->conf->serial_number; 1728 } 1729 } 1730