1 /* 2 * WPA Supplicant / Configuration backend: Windows registry 3 * Copyright (c) 2003-2008, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 * 8 * This file implements a configuration backend for Windows registry. All the 9 * configuration information is stored in the registry and the format for 10 * network configuration fields is same as described in the sample 11 * configuration file, wpa_supplicant.conf. 12 * 13 * Configuration data is in 14 * \a HKEY_LOCAL_MACHINE\\SOFTWARE\\%wpa_supplicant\\configs 15 * key. Each configuration profile has its own key under this. In terms of text 16 * files, each profile would map to a separate text file with possibly multiple 17 * networks. Under each profile, there is a networks key that lists all 18 * networks as a subkey. Each network has set of values in the same way as 19 * network block in the configuration file. In addition, blobs subkey has 20 * possible blobs as values. 21 * 22 * Example network configuration block: 23 * \verbatim 24 HKEY_LOCAL_MACHINE\SOFTWARE\wpa_supplicant\configs\test\networks\0000 25 ssid="example" 26 key_mgmt=WPA-PSK 27 \endverbatim 28 */ 29 30 #include "includes.h" 31 32 #include "common.h" 33 #include "uuid.h" 34 #include "config.h" 35 36 #ifndef WPA_KEY_ROOT 37 #define WPA_KEY_ROOT HKEY_LOCAL_MACHINE 38 #endif 39 #ifndef WPA_KEY_PREFIX 40 #define WPA_KEY_PREFIX TEXT("SOFTWARE\\wpa_supplicant") 41 #endif 42 43 #ifdef UNICODE 44 #define TSTR "%S" 45 #else /* UNICODE */ 46 #define TSTR "%s" 47 #endif /* UNICODE */ 48 49 50 static int wpa_config_read_blobs(struct wpa_config *config, HKEY hk) 51 { 52 struct wpa_config_blob *blob; 53 int errors = 0; 54 HKEY bhk; 55 LONG ret; 56 DWORD i; 57 58 ret = RegOpenKeyEx(hk, TEXT("blobs"), 0, KEY_QUERY_VALUE, &bhk); 59 if (ret != ERROR_SUCCESS) { 60 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 61 "blobs key"); 62 return 0; /* assume no blobs */ 63 } 64 65 for (i = 0; ; i++) { 66 #define TNAMELEN 255 67 TCHAR name[TNAMELEN]; 68 char data[4096]; 69 DWORD namelen, datalen, type; 70 71 namelen = TNAMELEN; 72 datalen = sizeof(data); 73 ret = RegEnumValue(bhk, i, name, &namelen, NULL, &type, 74 (LPBYTE) data, &datalen); 75 76 if (ret == ERROR_NO_MORE_ITEMS) 77 break; 78 79 if (ret != ERROR_SUCCESS) { 80 wpa_printf(MSG_DEBUG, "RegEnumValue failed: 0x%x", 81 (unsigned int) ret); 82 break; 83 } 84 85 if (namelen >= TNAMELEN) 86 namelen = TNAMELEN - 1; 87 name[namelen] = TEXT('\0'); 88 wpa_unicode2ascii_inplace(name); 89 90 if (datalen >= sizeof(data)) 91 datalen = sizeof(data) - 1; 92 93 wpa_printf(MSG_MSGDUMP, "blob %d: field='%s' len %d", 94 (int) i, name, (int) datalen); 95 96 blob = os_zalloc(sizeof(*blob)); 97 if (blob == NULL) { 98 errors++; 99 break; 100 } 101 blob->name = os_strdup((char *) name); 102 blob->data = os_malloc(datalen); 103 if (blob->name == NULL || blob->data == NULL) { 104 wpa_config_free_blob(blob); 105 errors++; 106 break; 107 } 108 os_memcpy(blob->data, data, datalen); 109 blob->len = datalen; 110 111 wpa_config_set_blob(config, blob); 112 } 113 114 RegCloseKey(bhk); 115 116 return errors ? -1 : 0; 117 } 118 119 120 static int wpa_config_read_reg_dword(HKEY hk, const TCHAR *name, int *_val) 121 { 122 DWORD val, buflen; 123 LONG ret; 124 125 buflen = sizeof(val); 126 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) &val, &buflen); 127 if (ret == ERROR_SUCCESS && buflen == sizeof(val)) { 128 wpa_printf(MSG_DEBUG, TSTR "=%d", name, (int) val); 129 *_val = val; 130 return 0; 131 } 132 133 return -1; 134 } 135 136 137 static char * wpa_config_read_reg_string(HKEY hk, const TCHAR *name) 138 { 139 DWORD buflen; 140 LONG ret; 141 TCHAR *val; 142 143 buflen = 0; 144 ret = RegQueryValueEx(hk, name, NULL, NULL, NULL, &buflen); 145 if (ret != ERROR_SUCCESS) 146 return NULL; 147 val = os_malloc(buflen); 148 if (val == NULL) 149 return NULL; 150 151 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) val, &buflen); 152 if (ret != ERROR_SUCCESS) { 153 os_free(val); 154 return NULL; 155 } 156 157 wpa_unicode2ascii_inplace(val); 158 wpa_printf(MSG_DEBUG, TSTR "=%s", name, (char *) val); 159 return (char *) val; 160 } 161 162 163 #ifdef CONFIG_WPS 164 static int wpa_config_read_global_uuid(struct wpa_config *config, HKEY hk) 165 { 166 char *str; 167 int ret = 0; 168 169 str = wpa_config_read_reg_string(hk, TEXT("uuid")); 170 if (str == NULL) 171 return 0; 172 173 if (uuid_str2bin(str, config->uuid)) 174 ret = -1; 175 176 os_free(str); 177 178 return ret; 179 } 180 181 182 static int wpa_config_read_global_os_version(struct wpa_config *config, 183 HKEY hk) 184 { 185 char *str; 186 int ret = 0; 187 188 str = wpa_config_read_reg_string(hk, TEXT("os_version")); 189 if (str == NULL) 190 return 0; 191 192 if (hexstr2bin(str, config->os_version, 4)) 193 ret = -1; 194 195 os_free(str); 196 197 return ret; 198 } 199 #endif /* CONFIG_WPS */ 200 201 202 static int wpa_config_read_global(struct wpa_config *config, HKEY hk) 203 { 204 int errors = 0; 205 206 wpa_config_read_reg_dword(hk, TEXT("ap_scan"), &config->ap_scan); 207 wpa_config_read_reg_dword(hk, TEXT("fast_reauth"), 208 &config->fast_reauth); 209 wpa_config_read_reg_dword(hk, TEXT("dot11RSNAConfigPMKLifetime"), 210 (int *) &config->dot11RSNAConfigPMKLifetime); 211 wpa_config_read_reg_dword(hk, 212 TEXT("dot11RSNAConfigPMKReauthThreshold"), 213 (int *) 214 &config->dot11RSNAConfigPMKReauthThreshold); 215 wpa_config_read_reg_dword(hk, TEXT("dot11RSNAConfigSATimeout"), 216 (int *) &config->dot11RSNAConfigSATimeout); 217 wpa_config_read_reg_dword(hk, TEXT("update_config"), 218 &config->update_config); 219 220 if (wpa_config_read_reg_dword(hk, TEXT("eapol_version"), 221 &config->eapol_version) == 0) { 222 if (config->eapol_version < 1 || 223 config->eapol_version > 2) { 224 wpa_printf(MSG_ERROR, "Invalid EAPOL version (%d)", 225 config->eapol_version); 226 errors++; 227 } 228 } 229 230 config->ctrl_interface = wpa_config_read_reg_string( 231 hk, TEXT("ctrl_interface")); 232 233 #ifdef CONFIG_WPS 234 if (wpa_config_read_global_uuid(config, hk)) 235 errors++; 236 config->device_name = wpa_config_read_reg_string( 237 hk, TEXT("device_name")); 238 config->manufacturer = wpa_config_read_reg_string( 239 hk, TEXT("manufacturer")); 240 config->model_name = wpa_config_read_reg_string( 241 hk, TEXT("model_name")); 242 config->serial_number = wpa_config_read_reg_string( 243 hk, TEXT("serial_number")); 244 { 245 char *t = wpa_config_read_reg_string( 246 hk, TEXT("device_type")); 247 if (t && wps_dev_type_str2bin(t, config->device_type)) 248 errors++; 249 os_free(t); 250 } 251 config->config_methods = wpa_config_read_reg_string( 252 hk, TEXT("config_methods")); 253 if (wpa_config_read_global_os_version(config, hk)) 254 errors++; 255 wpa_config_read_reg_dword(hk, TEXT("wps_cred_processing"), 256 &config->wps_cred_processing); 257 #endif /* CONFIG_WPS */ 258 #ifdef CONFIG_P2P 259 config->p2p_ssid_postfix = wpa_config_read_reg_string( 260 hk, TEXT("p2p_ssid_postfix")); 261 wpa_config_read_reg_dword(hk, TEXT("p2p_group_idle"), 262 (int *) &config->p2p_group_idle); 263 #endif /* CONFIG_P2P */ 264 265 wpa_config_read_reg_dword(hk, TEXT("bss_max_count"), 266 (int *) &config->bss_max_count); 267 wpa_config_read_reg_dword(hk, TEXT("filter_ssids"), 268 &config->filter_ssids); 269 wpa_config_read_reg_dword(hk, TEXT("max_num_sta"), 270 (int *) &config->max_num_sta); 271 wpa_config_read_reg_dword(hk, TEXT("disassoc_low_ack"), 272 (int *) &config->disassoc_low_ack); 273 274 return errors ? -1 : 0; 275 } 276 277 278 static struct wpa_ssid * wpa_config_read_network(HKEY hk, const TCHAR *netw, 279 int id) 280 { 281 HKEY nhk; 282 LONG ret; 283 DWORD i; 284 struct wpa_ssid *ssid; 285 int errors = 0; 286 287 ret = RegOpenKeyEx(hk, netw, 0, KEY_QUERY_VALUE, &nhk); 288 if (ret != ERROR_SUCCESS) { 289 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 290 "network '" TSTR "'", netw); 291 return NULL; 292 } 293 294 wpa_printf(MSG_MSGDUMP, "Start of a new network '" TSTR "'", netw); 295 ssid = os_zalloc(sizeof(*ssid)); 296 if (ssid == NULL) { 297 RegCloseKey(nhk); 298 return NULL; 299 } 300 ssid->id = id; 301 302 wpa_config_set_network_defaults(ssid); 303 304 for (i = 0; ; i++) { 305 TCHAR name[255], data[1024]; 306 DWORD namelen, datalen, type; 307 308 namelen = 255; 309 datalen = sizeof(data); 310 ret = RegEnumValue(nhk, i, name, &namelen, NULL, &type, 311 (LPBYTE) data, &datalen); 312 313 if (ret == ERROR_NO_MORE_ITEMS) 314 break; 315 316 if (ret != ERROR_SUCCESS) { 317 wpa_printf(MSG_ERROR, "RegEnumValue failed: 0x%x", 318 (unsigned int) ret); 319 break; 320 } 321 322 if (namelen >= 255) 323 namelen = 255 - 1; 324 name[namelen] = TEXT('\0'); 325 326 if (datalen >= 1024) 327 datalen = 1024 - 1; 328 data[datalen] = TEXT('\0'); 329 330 wpa_unicode2ascii_inplace(name); 331 wpa_unicode2ascii_inplace(data); 332 if (wpa_config_set(ssid, (char *) name, (char *) data, 0) < 0) 333 errors++; 334 } 335 336 RegCloseKey(nhk); 337 338 if (ssid->passphrase) { 339 if (ssid->psk_set) { 340 wpa_printf(MSG_ERROR, "Both PSK and passphrase " 341 "configured for network '" TSTR "'.", netw); 342 errors++; 343 } 344 wpa_config_update_psk(ssid); 345 } 346 347 if ((ssid->group_cipher & WPA_CIPHER_CCMP) && 348 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 349 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { 350 /* Group cipher cannot be stronger than the pairwise cipher. */ 351 wpa_printf(MSG_DEBUG, "Removed CCMP from group cipher " 352 "list since it was not allowed for pairwise " 353 "cipher for network '" TSTR "'.", netw); 354 ssid->group_cipher &= ~WPA_CIPHER_CCMP; 355 } 356 357 if (errors) { 358 wpa_config_free_ssid(ssid); 359 ssid = NULL; 360 } 361 362 return ssid; 363 } 364 365 366 static int wpa_config_read_networks(struct wpa_config *config, HKEY hk) 367 { 368 HKEY nhk; 369 struct wpa_ssid *ssid, *tail = NULL, *head = NULL; 370 int errors = 0; 371 LONG ret; 372 DWORD i; 373 374 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_ENUMERATE_SUB_KEYS, 375 &nhk); 376 if (ret != ERROR_SUCCESS) { 377 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant networks " 378 "registry key"); 379 return -1; 380 } 381 382 for (i = 0; ; i++) { 383 TCHAR name[255]; 384 DWORD namelen; 385 386 namelen = 255; 387 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 388 NULL); 389 390 if (ret == ERROR_NO_MORE_ITEMS) 391 break; 392 393 if (ret != ERROR_SUCCESS) { 394 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x", 395 (unsigned int) ret); 396 break; 397 } 398 399 if (namelen >= 255) 400 namelen = 255 - 1; 401 name[namelen] = '\0'; 402 403 ssid = wpa_config_read_network(nhk, name, i); 404 if (ssid == NULL) { 405 wpa_printf(MSG_ERROR, "Failed to parse network " 406 "profile '%s'.", name); 407 errors++; 408 continue; 409 } 410 if (head == NULL) { 411 head = tail = ssid; 412 } else { 413 tail->next = ssid; 414 tail = ssid; 415 } 416 if (wpa_config_add_prio_network(config, ssid)) { 417 wpa_printf(MSG_ERROR, "Failed to add network profile " 418 "'%s' to priority list.", name); 419 errors++; 420 continue; 421 } 422 } 423 424 RegCloseKey(nhk); 425 426 config->ssid = head; 427 428 return errors ? -1 : 0; 429 } 430 431 432 struct wpa_config * wpa_config_read(const char *name) 433 { 434 TCHAR buf[256]; 435 int errors = 0; 436 struct wpa_config *config; 437 HKEY hk; 438 LONG ret; 439 440 config = wpa_config_alloc_empty(NULL, NULL); 441 if (config == NULL) 442 return NULL; 443 wpa_printf(MSG_DEBUG, "Reading configuration profile '%s'", name); 444 445 #ifdef UNICODE 446 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 447 #else /* UNICODE */ 448 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 449 #endif /* UNICODE */ 450 451 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_QUERY_VALUE, &hk); 452 if (ret != ERROR_SUCCESS) { 453 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 454 "configuration registry HKLM\\" TSTR, buf); 455 os_free(config); 456 return NULL; 457 } 458 459 if (wpa_config_read_global(config, hk)) 460 errors++; 461 462 if (wpa_config_read_networks(config, hk)) 463 errors++; 464 465 if (wpa_config_read_blobs(config, hk)) 466 errors++; 467 468 wpa_config_debug_dump_networks(config); 469 470 RegCloseKey(hk); 471 472 if (errors) { 473 wpa_config_free(config); 474 config = NULL; 475 } 476 477 return config; 478 } 479 480 481 static int wpa_config_write_reg_dword(HKEY hk, const TCHAR *name, int val, 482 int def) 483 { 484 LONG ret; 485 DWORD _val = val; 486 487 if (val == def) { 488 RegDeleteValue(hk, name); 489 return 0; 490 } 491 492 ret = RegSetValueEx(hk, name, 0, REG_DWORD, (LPBYTE) &_val, 493 sizeof(_val)); 494 if (ret != ERROR_SUCCESS) { 495 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s=%d: error %d", 496 name, val, (int) GetLastError()); 497 return -1; 498 } 499 500 return 0; 501 } 502 503 504 static int wpa_config_write_reg_string(HKEY hk, const char *name, 505 const char *val) 506 { 507 LONG ret; 508 TCHAR *_name, *_val; 509 510 _name = wpa_strdup_tchar(name); 511 if (_name == NULL) 512 return -1; 513 514 if (val == NULL) { 515 RegDeleteValue(hk, _name); 516 os_free(_name); 517 return 0; 518 } 519 520 _val = wpa_strdup_tchar(val); 521 if (_val == NULL) { 522 os_free(_name); 523 return -1; 524 } 525 ret = RegSetValueEx(hk, _name, 0, REG_SZ, (BYTE *) _val, 526 (os_strlen(val) + 1) * sizeof(TCHAR)); 527 if (ret != ERROR_SUCCESS) { 528 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s='%s': " 529 "error %d", name, val, (int) GetLastError()); 530 os_free(_name); 531 os_free(_val); 532 return -1; 533 } 534 535 os_free(_name); 536 os_free(_val); 537 return 0; 538 } 539 540 541 static int wpa_config_write_global(struct wpa_config *config, HKEY hk) 542 { 543 #ifdef CONFIG_CTRL_IFACE 544 wpa_config_write_reg_string(hk, "ctrl_interface", 545 config->ctrl_interface); 546 #endif /* CONFIG_CTRL_IFACE */ 547 548 wpa_config_write_reg_dword(hk, TEXT("eapol_version"), 549 config->eapol_version, 550 DEFAULT_EAPOL_VERSION); 551 wpa_config_write_reg_dword(hk, TEXT("ap_scan"), config->ap_scan, 552 DEFAULT_AP_SCAN); 553 wpa_config_write_reg_dword(hk, TEXT("fast_reauth"), 554 config->fast_reauth, DEFAULT_FAST_REAUTH); 555 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigPMKLifetime"), 556 config->dot11RSNAConfigPMKLifetime, 0); 557 wpa_config_write_reg_dword(hk, 558 TEXT("dot11RSNAConfigPMKReauthThreshold"), 559 config->dot11RSNAConfigPMKReauthThreshold, 560 0); 561 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigSATimeout"), 562 config->dot11RSNAConfigSATimeout, 0); 563 wpa_config_write_reg_dword(hk, TEXT("update_config"), 564 config->update_config, 565 0); 566 #ifdef CONFIG_WPS 567 if (!is_nil_uuid(config->uuid)) { 568 char buf[40]; 569 uuid_bin2str(config->uuid, buf, sizeof(buf)); 570 wpa_config_write_reg_string(hk, "uuid", buf); 571 } 572 wpa_config_write_reg_string(hk, "device_name", config->device_name); 573 wpa_config_write_reg_string(hk, "manufacturer", config->manufacturer); 574 wpa_config_write_reg_string(hk, "model_name", config->model_name); 575 wpa_config_write_reg_string(hk, "model_number", config->model_number); 576 wpa_config_write_reg_string(hk, "serial_number", 577 config->serial_number); 578 { 579 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; 580 buf = wps_dev_type_bin2str(config->device_type, 581 _buf, sizeof(_buf)); 582 wpa_config_write_reg_string(hk, "device_type", buf); 583 } 584 wpa_config_write_reg_string(hk, "config_methods", 585 config->config_methods); 586 if (WPA_GET_BE32(config->os_version)) { 587 char vbuf[10]; 588 os_snprintf(vbuf, sizeof(vbuf), "%08x", 589 WPA_GET_BE32(config->os_version)); 590 wpa_config_write_reg_string(hk, "os_version", vbuf); 591 } 592 wpa_config_write_reg_dword(hk, TEXT("wps_cred_processing"), 593 config->wps_cred_processing, 0); 594 #endif /* CONFIG_WPS */ 595 #ifdef CONFIG_P2P 596 wpa_config_write_reg_string(hk, "p2p_ssid_postfix", 597 config->p2p_ssid_postfix); 598 wpa_config_write_reg_dword(hk, TEXT("p2p_group_idle"), 599 config->p2p_group_idle, 0); 600 #endif /* CONFIG_P2P */ 601 602 wpa_config_write_reg_dword(hk, TEXT("bss_max_count"), 603 config->bss_max_count, 604 DEFAULT_BSS_MAX_COUNT); 605 wpa_config_write_reg_dword(hk, TEXT("filter_ssids"), 606 config->filter_ssids, 0); 607 wpa_config_write_reg_dword(hk, TEXT("max_num_sta"), 608 config->max_num_sta, DEFAULT_MAX_NUM_STA); 609 wpa_config_write_reg_dword(hk, TEXT("disassoc_low_ack"), 610 config->disassoc_low_ack, 0); 611 612 return 0; 613 } 614 615 616 static int wpa_config_delete_subkeys(HKEY hk, const TCHAR *key) 617 { 618 HKEY nhk; 619 int i, errors = 0; 620 LONG ret; 621 622 ret = RegOpenKeyEx(hk, key, 0, KEY_ENUMERATE_SUB_KEYS | DELETE, &nhk); 623 if (ret != ERROR_SUCCESS) { 624 wpa_printf(MSG_DEBUG, "WINREG: Could not open key '" TSTR 625 "' for subkey deletion: error 0x%x (%d)", key, 626 (unsigned int) ret, (int) GetLastError()); 627 return 0; 628 } 629 630 for (i = 0; ; i++) { 631 TCHAR name[255]; 632 DWORD namelen; 633 634 namelen = 255; 635 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 636 NULL); 637 638 if (ret == ERROR_NO_MORE_ITEMS) 639 break; 640 641 if (ret != ERROR_SUCCESS) { 642 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x (%d)", 643 (unsigned int) ret, (int) GetLastError()); 644 break; 645 } 646 647 if (namelen >= 255) 648 namelen = 255 - 1; 649 name[namelen] = TEXT('\0'); 650 651 ret = RegDeleteKey(nhk, name); 652 if (ret != ERROR_SUCCESS) { 653 wpa_printf(MSG_DEBUG, "RegDeleteKey failed: 0x%x (%d)", 654 (unsigned int) ret, (int) GetLastError()); 655 errors++; 656 } 657 } 658 659 RegCloseKey(nhk); 660 661 return errors ? -1 : 0; 662 } 663 664 665 static void write_str(HKEY hk, const char *field, struct wpa_ssid *ssid) 666 { 667 char *value = wpa_config_get(ssid, field); 668 if (value == NULL) 669 return; 670 wpa_config_write_reg_string(hk, field, value); 671 os_free(value); 672 } 673 674 675 static void write_int(HKEY hk, const char *field, int value, int def) 676 { 677 char val[20]; 678 if (value == def) 679 return; 680 os_snprintf(val, sizeof(val), "%d", value); 681 wpa_config_write_reg_string(hk, field, val); 682 } 683 684 685 static void write_bssid(HKEY hk, struct wpa_ssid *ssid) 686 { 687 char *value = wpa_config_get(ssid, "bssid"); 688 if (value == NULL) 689 return; 690 wpa_config_write_reg_string(hk, "bssid", value); 691 os_free(value); 692 } 693 694 695 static void write_psk(HKEY hk, struct wpa_ssid *ssid) 696 { 697 char *value = wpa_config_get(ssid, "psk"); 698 if (value == NULL) 699 return; 700 wpa_config_write_reg_string(hk, "psk", value); 701 os_free(value); 702 } 703 704 705 static void write_proto(HKEY hk, struct wpa_ssid *ssid) 706 { 707 char *value; 708 709 if (ssid->proto == DEFAULT_PROTO) 710 return; 711 712 value = wpa_config_get(ssid, "proto"); 713 if (value == NULL) 714 return; 715 if (value[0]) 716 wpa_config_write_reg_string(hk, "proto", value); 717 os_free(value); 718 } 719 720 721 static void write_key_mgmt(HKEY hk, struct wpa_ssid *ssid) 722 { 723 char *value; 724 725 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 726 return; 727 728 value = wpa_config_get(ssid, "key_mgmt"); 729 if (value == NULL) 730 return; 731 if (value[0]) 732 wpa_config_write_reg_string(hk, "key_mgmt", value); 733 os_free(value); 734 } 735 736 737 static void write_pairwise(HKEY hk, struct wpa_ssid *ssid) 738 { 739 char *value; 740 741 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 742 return; 743 744 value = wpa_config_get(ssid, "pairwise"); 745 if (value == NULL) 746 return; 747 if (value[0]) 748 wpa_config_write_reg_string(hk, "pairwise", value); 749 os_free(value); 750 } 751 752 753 static void write_group(HKEY hk, struct wpa_ssid *ssid) 754 { 755 char *value; 756 757 if (ssid->group_cipher == DEFAULT_GROUP) 758 return; 759 760 value = wpa_config_get(ssid, "group"); 761 if (value == NULL) 762 return; 763 if (value[0]) 764 wpa_config_write_reg_string(hk, "group", value); 765 os_free(value); 766 } 767 768 769 static void write_auth_alg(HKEY hk, struct wpa_ssid *ssid) 770 { 771 char *value; 772 773 if (ssid->auth_alg == 0) 774 return; 775 776 value = wpa_config_get(ssid, "auth_alg"); 777 if (value == NULL) 778 return; 779 if (value[0]) 780 wpa_config_write_reg_string(hk, "auth_alg", value); 781 os_free(value); 782 } 783 784 785 #ifdef IEEE8021X_EAPOL 786 static void write_eap(HKEY hk, struct wpa_ssid *ssid) 787 { 788 char *value; 789 790 value = wpa_config_get(ssid, "eap"); 791 if (value == NULL) 792 return; 793 794 if (value[0]) 795 wpa_config_write_reg_string(hk, "eap", value); 796 os_free(value); 797 } 798 #endif /* IEEE8021X_EAPOL */ 799 800 801 static void write_wep_key(HKEY hk, int idx, struct wpa_ssid *ssid) 802 { 803 char field[20], *value; 804 805 os_snprintf(field, sizeof(field), "wep_key%d", idx); 806 value = wpa_config_get(ssid, field); 807 if (value) { 808 wpa_config_write_reg_string(hk, field, value); 809 os_free(value); 810 } 811 } 812 813 814 static int wpa_config_write_network(HKEY hk, struct wpa_ssid *ssid, int id) 815 { 816 int i, errors = 0; 817 HKEY nhk, netw; 818 LONG ret; 819 TCHAR name[5]; 820 821 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_CREATE_SUB_KEY, &nhk); 822 if (ret != ERROR_SUCCESS) { 823 wpa_printf(MSG_DEBUG, "WINREG: Could not open networks key " 824 "for subkey addition: error 0x%x (%d)", 825 (unsigned int) ret, (int) GetLastError()); 826 return 0; 827 } 828 829 #ifdef UNICODE 830 wsprintf(name, L"%04d", id); 831 #else /* UNICODE */ 832 os_snprintf(name, sizeof(name), "%04d", id); 833 #endif /* UNICODE */ 834 ret = RegCreateKeyEx(nhk, name, 0, NULL, 0, KEY_WRITE, NULL, &netw, 835 NULL); 836 RegCloseKey(nhk); 837 if (ret != ERROR_SUCCESS) { 838 wpa_printf(MSG_DEBUG, "WINREG: Could not add network key '%s':" 839 " error 0x%x (%d)", 840 name, (unsigned int) ret, (int) GetLastError()); 841 return -1; 842 } 843 844 #define STR(t) write_str(netw, #t, ssid) 845 #define INT(t) write_int(netw, #t, ssid->t, 0) 846 #define INTe(t) write_int(netw, #t, ssid->eap.t, 0) 847 #define INT_DEF(t, def) write_int(netw, #t, ssid->t, def) 848 #define INT_DEFe(t, def) write_int(netw, #t, ssid->eap.t, def) 849 850 STR(ssid); 851 INT(scan_ssid); 852 write_bssid(netw, ssid); 853 write_psk(netw, ssid); 854 write_proto(netw, ssid); 855 write_key_mgmt(netw, ssid); 856 write_pairwise(netw, ssid); 857 write_group(netw, ssid); 858 write_auth_alg(netw, ssid); 859 #ifdef IEEE8021X_EAPOL 860 write_eap(netw, ssid); 861 STR(identity); 862 STR(anonymous_identity); 863 STR(password); 864 STR(ca_cert); 865 STR(ca_path); 866 STR(client_cert); 867 STR(private_key); 868 STR(private_key_passwd); 869 STR(dh_file); 870 STR(subject_match); 871 STR(altsubject_match); 872 STR(ca_cert2); 873 STR(ca_path2); 874 STR(client_cert2); 875 STR(private_key2); 876 STR(private_key2_passwd); 877 STR(dh_file2); 878 STR(subject_match2); 879 STR(altsubject_match2); 880 STR(phase1); 881 STR(phase2); 882 STR(pcsc); 883 STR(pin); 884 STR(engine_id); 885 STR(key_id); 886 STR(cert_id); 887 STR(ca_cert_id); 888 STR(key2_id); 889 STR(pin2); 890 STR(engine2_id); 891 STR(cert2_id); 892 STR(ca_cert2_id); 893 INTe(engine); 894 INTe(engine2); 895 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 896 #endif /* IEEE8021X_EAPOL */ 897 for (i = 0; i < 4; i++) 898 write_wep_key(netw, i, ssid); 899 INT(wep_tx_keyidx); 900 INT(priority); 901 #ifdef IEEE8021X_EAPOL 902 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 903 STR(pac_file); 904 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 905 #endif /* IEEE8021X_EAPOL */ 906 INT(mode); 907 INT(proactive_key_caching); 908 INT(disabled); 909 INT(peerkey); 910 #ifdef CONFIG_IEEE80211W 911 INT(ieee80211w); 912 #endif /* CONFIG_IEEE80211W */ 913 STR(id_str); 914 915 #undef STR 916 #undef INT 917 #undef INT_DEF 918 919 RegCloseKey(netw); 920 921 return errors ? -1 : 0; 922 } 923 924 925 static int wpa_config_write_blob(HKEY hk, struct wpa_config_blob *blob) 926 { 927 HKEY bhk; 928 LONG ret; 929 TCHAR *name; 930 931 ret = RegCreateKeyEx(hk, TEXT("blobs"), 0, NULL, 0, KEY_WRITE, NULL, 932 &bhk, NULL); 933 if (ret != ERROR_SUCCESS) { 934 wpa_printf(MSG_DEBUG, "WINREG: Could not add blobs key: " 935 "error 0x%x (%d)", 936 (unsigned int) ret, (int) GetLastError()); 937 return -1; 938 } 939 940 name = wpa_strdup_tchar(blob->name); 941 ret = RegSetValueEx(bhk, name, 0, REG_BINARY, blob->data, 942 blob->len); 943 if (ret != ERROR_SUCCESS) { 944 wpa_printf(MSG_ERROR, "WINREG: Failed to set blob %s': " 945 "error 0x%x (%d)", blob->name, (unsigned int) ret, 946 (int) GetLastError()); 947 RegCloseKey(bhk); 948 os_free(name); 949 return -1; 950 } 951 os_free(name); 952 953 RegCloseKey(bhk); 954 955 return 0; 956 } 957 958 959 int wpa_config_write(const char *name, struct wpa_config *config) 960 { 961 TCHAR buf[256]; 962 HKEY hk; 963 LONG ret; 964 int errors = 0; 965 struct wpa_ssid *ssid; 966 struct wpa_config_blob *blob; 967 int id; 968 969 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 970 971 #ifdef UNICODE 972 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 973 #else /* UNICODE */ 974 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 975 #endif /* UNICODE */ 976 977 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_SET_VALUE | DELETE, &hk); 978 if (ret != ERROR_SUCCESS) { 979 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 980 "configuration registry %s: error %d", buf, 981 (int) GetLastError()); 982 return -1; 983 } 984 985 if (wpa_config_write_global(config, hk)) { 986 wpa_printf(MSG_ERROR, "Failed to write global configuration " 987 "data"); 988 errors++; 989 } 990 991 wpa_config_delete_subkeys(hk, TEXT("networks")); 992 for (ssid = config->ssid, id = 0; ssid; ssid = ssid->next, id++) { 993 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) 994 continue; /* do not save temporary WPS networks */ 995 if (wpa_config_write_network(hk, ssid, id)) 996 errors++; 997 } 998 999 RegDeleteKey(hk, TEXT("blobs")); 1000 for (blob = config->blobs; blob; blob = blob->next) { 1001 if (wpa_config_write_blob(hk, blob)) 1002 errors++; 1003 } 1004 1005 RegCloseKey(hk); 1006 1007 wpa_printf(MSG_DEBUG, "Configuration '%s' written %ssuccessfully", 1008 name, errors ? "un" : ""); 1009 return errors ? -1 : 0; 1010 } 1011
