1 /* 2 * WPA Supplicant / Configuration backend: Windows registry 3 * Copyright (c) 2003-2008, Jouni Malinen <j (at) 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 * This file implements a configuration backend for Windows registry. All the 15 * configuration information is stored in the registry and the format for 16 * network configuration fields is same as described in the sample 17 * configuration file, wpa_supplicant.conf. 18 * 19 * Configuration data is in 20 * \a HKEY_LOCAL_MACHINE\\SOFTWARE\\%wpa_supplicant\\configs 21 * key. Each configuration profile has its own key under this. In terms of text 22 * files, each profile would map to a separate text file with possibly multiple 23 * networks. Under each profile, there is a networks key that lists all 24 * networks as a subkey. Each network has set of values in the same way as 25 * network block in the configuration file. In addition, blobs subkey has 26 * possible blobs as values. 27 * 28 * Example network configuration block: 29 * \verbatim 30 HKEY_LOCAL_MACHINE\SOFTWARE\wpa_supplicant\configs\test\networks\0000 31 ssid="example" 32 key_mgmt=WPA-PSK 33 \endverbatim 34 */ 35 36 #include "includes.h" 37 38 #include "common.h" 39 #include "uuid.h" 40 #include "config.h" 41 42 #ifndef WPA_KEY_ROOT 43 #define WPA_KEY_ROOT HKEY_LOCAL_MACHINE 44 #endif 45 #ifndef WPA_KEY_PREFIX 46 #define WPA_KEY_PREFIX TEXT("SOFTWARE\\wpa_supplicant") 47 #endif 48 49 #ifdef UNICODE 50 #define TSTR "%S" 51 #else /* UNICODE */ 52 #define TSTR "%s" 53 #endif /* UNICODE */ 54 55 56 static int wpa_config_read_blobs(struct wpa_config *config, HKEY hk) 57 { 58 struct wpa_config_blob *blob; 59 int errors = 0; 60 HKEY bhk; 61 LONG ret; 62 DWORD i; 63 64 ret = RegOpenKeyEx(hk, TEXT("blobs"), 0, KEY_QUERY_VALUE, &bhk); 65 if (ret != ERROR_SUCCESS) { 66 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 67 "blobs key"); 68 return 0; /* assume no blobs */ 69 } 70 71 for (i = 0; ; i++) { 72 #define TNAMELEN 255 73 TCHAR name[TNAMELEN]; 74 char data[4096]; 75 DWORD namelen, datalen, type; 76 77 namelen = TNAMELEN; 78 datalen = sizeof(data); 79 ret = RegEnumValue(bhk, i, name, &namelen, NULL, &type, 80 (LPBYTE) data, &datalen); 81 82 if (ret == ERROR_NO_MORE_ITEMS) 83 break; 84 85 if (ret != ERROR_SUCCESS) { 86 wpa_printf(MSG_DEBUG, "RegEnumValue failed: 0x%x", 87 (unsigned int) ret); 88 break; 89 } 90 91 if (namelen >= TNAMELEN) 92 namelen = TNAMELEN - 1; 93 name[namelen] = TEXT('\0'); 94 wpa_unicode2ascii_inplace(name); 95 96 if (datalen >= sizeof(data)) 97 datalen = sizeof(data) - 1; 98 99 wpa_printf(MSG_MSGDUMP, "blob %d: field='%s' len %d", 100 (int) i, name, (int) datalen); 101 102 blob = os_zalloc(sizeof(*blob)); 103 if (blob == NULL) { 104 errors++; 105 break; 106 } 107 blob->name = os_strdup((char *) name); 108 blob->data = os_malloc(datalen); 109 if (blob->name == NULL || blob->data == NULL) { 110 wpa_config_free_blob(blob); 111 errors++; 112 break; 113 } 114 os_memcpy(blob->data, data, datalen); 115 blob->len = datalen; 116 117 wpa_config_set_blob(config, blob); 118 } 119 120 RegCloseKey(bhk); 121 122 return errors ? -1 : 0; 123 } 124 125 126 static int wpa_config_read_reg_dword(HKEY hk, const TCHAR *name, int *_val) 127 { 128 DWORD val, buflen; 129 LONG ret; 130 131 buflen = sizeof(val); 132 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) &val, &buflen); 133 if (ret == ERROR_SUCCESS && buflen == sizeof(val)) { 134 wpa_printf(MSG_DEBUG, TSTR "=%d", name, (int) val); 135 *_val = val; 136 return 0; 137 } 138 139 return -1; 140 } 141 142 143 static char * wpa_config_read_reg_string(HKEY hk, const TCHAR *name) 144 { 145 DWORD buflen; 146 LONG ret; 147 TCHAR *val; 148 149 buflen = 0; 150 ret = RegQueryValueEx(hk, name, NULL, NULL, NULL, &buflen); 151 if (ret != ERROR_SUCCESS) 152 return NULL; 153 val = os_malloc(buflen); 154 if (val == NULL) 155 return NULL; 156 157 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) val, &buflen); 158 if (ret != ERROR_SUCCESS) { 159 os_free(val); 160 return NULL; 161 } 162 163 wpa_unicode2ascii_inplace(val); 164 wpa_printf(MSG_DEBUG, TSTR "=%s", name, (char *) val); 165 return (char *) val; 166 } 167 168 169 #ifdef CONFIG_WPS 170 static int wpa_config_read_global_uuid(struct wpa_config *config, HKEY hk) 171 { 172 char *str; 173 int ret = 0; 174 175 str = wpa_config_read_reg_string(hk, TEXT("uuid")); 176 if (str == NULL) 177 return 0; 178 179 if (uuid_str2bin(str, config->uuid)) 180 ret = -1; 181 182 os_free(str); 183 184 return ret; 185 } 186 187 188 static int wpa_config_read_global_os_version(struct wpa_config *config, 189 HKEY hk) 190 { 191 char *str; 192 int ret = 0; 193 194 str = wpa_config_read_reg_string(hk, TEXT("os_version")); 195 if (str == NULL) 196 return 0; 197 198 if (hexstr2bin(str, config->os_version, 4)) 199 ret = -1; 200 201 os_free(str); 202 203 return ret; 204 } 205 #endif /* CONFIG_WPS */ 206 207 208 static int wpa_config_read_global(struct wpa_config *config, HKEY hk) 209 { 210 int errors = 0; 211 212 wpa_config_read_reg_dword(hk, TEXT("ap_scan"), &config->ap_scan); 213 wpa_config_read_reg_dword(hk, TEXT("fast_reauth"), 214 &config->fast_reauth); 215 wpa_config_read_reg_dword(hk, TEXT("dot11RSNAConfigPMKLifetime"), 216 (int *) &config->dot11RSNAConfigPMKLifetime); 217 wpa_config_read_reg_dword(hk, 218 TEXT("dot11RSNAConfigPMKReauthThreshold"), 219 (int *) 220 &config->dot11RSNAConfigPMKReauthThreshold); 221 wpa_config_read_reg_dword(hk, TEXT("dot11RSNAConfigSATimeout"), 222 (int *) &config->dot11RSNAConfigSATimeout); 223 wpa_config_read_reg_dword(hk, TEXT("update_config"), 224 &config->update_config); 225 226 if (wpa_config_read_reg_dword(hk, TEXT("eapol_version"), 227 &config->eapol_version) == 0) { 228 if (config->eapol_version < 1 || 229 config->eapol_version > 2) { 230 wpa_printf(MSG_ERROR, "Invalid EAPOL version (%d)", 231 config->eapol_version); 232 errors++; 233 } 234 } 235 236 config->ctrl_interface = wpa_config_read_reg_string( 237 hk, TEXT("ctrl_interface")); 238 239 #ifdef CONFIG_WPS 240 if (wpa_config_read_global_uuid(config, hk)) 241 errors++; 242 config->device_name = wpa_config_read_reg_string( 243 hk, TEXT("device_name")); 244 config->manufacturer = wpa_config_read_reg_string( 245 hk, TEXT("manufacturer")); 246 config->model_name = wpa_config_read_reg_string( 247 hk, TEXT("model_name")); 248 config->serial_number = wpa_config_read_reg_string( 249 hk, TEXT("serial_number")); 250 { 251 char *t = wpa_config_read_reg_string( 252 hk, TEXT("device_type")); 253 if (t && wps_dev_type_str2bin(t, config->device_type)) 254 errors++; 255 os_free(t); 256 } 257 config->config_methods = wpa_config_read_reg_string( 258 hk, TEXT("config_methods")); 259 if (wpa_config_read_global_os_version(config, hk)) 260 errors++; 261 wpa_config_read_reg_dword(hk, TEXT("wps_cred_processing"), 262 &config->wps_cred_processing); 263 #endif /* CONFIG_WPS */ 264 #ifdef CONFIG_P2P 265 config->p2p_ssid_postfix = wpa_config_read_reg_string( 266 hk, TEXT("p2p_ssid_postfix")); 267 wpa_config_read_reg_dword(hk, TEXT("p2p_group_idle"), 268 (int *) &config->p2p_group_idle); 269 #endif /* CONFIG_P2P */ 270 271 wpa_config_read_reg_dword(hk, TEXT("bss_max_count"), 272 (int *) &config->bss_max_count); 273 wpa_config_read_reg_dword(hk, TEXT("filter_ssids"), 274 &config->filter_ssids); 275 wpa_config_read_reg_dword(hk, TEXT("max_num_sta"), 276 (int *) &config->max_num_sta); 277 wpa_config_read_reg_dword(hk, TEXT("disassoc_low_ack"), 278 (int *) &config->disassoc_low_ack); 279 280 return errors ? -1 : 0; 281 } 282 283 284 static struct wpa_ssid * wpa_config_read_network(HKEY hk, const TCHAR *netw, 285 int id) 286 { 287 HKEY nhk; 288 LONG ret; 289 DWORD i; 290 struct wpa_ssid *ssid; 291 int errors = 0; 292 293 ret = RegOpenKeyEx(hk, netw, 0, KEY_QUERY_VALUE, &nhk); 294 if (ret != ERROR_SUCCESS) { 295 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 296 "network '" TSTR "'", netw); 297 return NULL; 298 } 299 300 wpa_printf(MSG_MSGDUMP, "Start of a new network '" TSTR "'", netw); 301 ssid = os_zalloc(sizeof(*ssid)); 302 if (ssid == NULL) { 303 RegCloseKey(nhk); 304 return NULL; 305 } 306 ssid->id = id; 307 308 wpa_config_set_network_defaults(ssid); 309 310 for (i = 0; ; i++) { 311 TCHAR name[255], data[1024]; 312 DWORD namelen, datalen, type; 313 314 namelen = 255; 315 datalen = sizeof(data); 316 ret = RegEnumValue(nhk, i, name, &namelen, NULL, &type, 317 (LPBYTE) data, &datalen); 318 319 if (ret == ERROR_NO_MORE_ITEMS) 320 break; 321 322 if (ret != ERROR_SUCCESS) { 323 wpa_printf(MSG_ERROR, "RegEnumValue failed: 0x%x", 324 (unsigned int) ret); 325 break; 326 } 327 328 if (namelen >= 255) 329 namelen = 255 - 1; 330 name[namelen] = TEXT('\0'); 331 332 if (datalen >= 1024) 333 datalen = 1024 - 1; 334 data[datalen] = TEXT('\0'); 335 336 wpa_unicode2ascii_inplace(name); 337 wpa_unicode2ascii_inplace(data); 338 if (wpa_config_set(ssid, (char *) name, (char *) data, 0) < 0) 339 errors++; 340 } 341 342 RegCloseKey(nhk); 343 344 if (ssid->passphrase) { 345 if (ssid->psk_set) { 346 wpa_printf(MSG_ERROR, "Both PSK and passphrase " 347 "configured for network '" TSTR "'.", netw); 348 errors++; 349 } 350 wpa_config_update_psk(ssid); 351 } 352 353 if ((ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK | 354 WPA_KEY_MGMT_PSK_SHA256)) && 355 !ssid->psk_set) { 356 wpa_printf(MSG_ERROR, "WPA-PSK accepted for key management, " 357 "but no PSK configured for network '" TSTR "'.", 358 netw); 359 errors++; 360 } 361 362 if ((ssid->group_cipher & WPA_CIPHER_CCMP) && 363 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 364 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { 365 /* Group cipher cannot be stronger than the pairwise cipher. */ 366 wpa_printf(MSG_DEBUG, "Removed CCMP from group cipher " 367 "list since it was not allowed for pairwise " 368 "cipher for network '" TSTR "'.", netw); 369 ssid->group_cipher &= ~WPA_CIPHER_CCMP; 370 } 371 372 if (errors) { 373 wpa_config_free_ssid(ssid); 374 ssid = NULL; 375 } 376 377 return ssid; 378 } 379 380 381 static int wpa_config_read_networks(struct wpa_config *config, HKEY hk) 382 { 383 HKEY nhk; 384 struct wpa_ssid *ssid, *tail = NULL, *head = NULL; 385 int errors = 0; 386 LONG ret; 387 DWORD i; 388 389 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_ENUMERATE_SUB_KEYS, 390 &nhk); 391 if (ret != ERROR_SUCCESS) { 392 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant networks " 393 "registry key"); 394 return -1; 395 } 396 397 for (i = 0; ; i++) { 398 TCHAR name[255]; 399 DWORD namelen; 400 401 namelen = 255; 402 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 403 NULL); 404 405 if (ret == ERROR_NO_MORE_ITEMS) 406 break; 407 408 if (ret != ERROR_SUCCESS) { 409 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x", 410 (unsigned int) ret); 411 break; 412 } 413 414 if (namelen >= 255) 415 namelen = 255 - 1; 416 name[namelen] = '\0'; 417 418 ssid = wpa_config_read_network(nhk, name, i); 419 if (ssid == NULL) { 420 wpa_printf(MSG_ERROR, "Failed to parse network " 421 "profile '%s'.", name); 422 errors++; 423 continue; 424 } 425 if (head == NULL) { 426 head = tail = ssid; 427 } else { 428 tail->next = ssid; 429 tail = ssid; 430 } 431 if (wpa_config_add_prio_network(config, ssid)) { 432 wpa_printf(MSG_ERROR, "Failed to add network profile " 433 "'%s' to priority list.", name); 434 errors++; 435 continue; 436 } 437 } 438 439 RegCloseKey(nhk); 440 441 config->ssid = head; 442 443 return errors ? -1 : 0; 444 } 445 446 447 struct wpa_config * wpa_config_read(const char *name) 448 { 449 TCHAR buf[256]; 450 int errors = 0; 451 struct wpa_config *config; 452 HKEY hk; 453 LONG ret; 454 455 config = wpa_config_alloc_empty(NULL, NULL); 456 if (config == NULL) 457 return NULL; 458 wpa_printf(MSG_DEBUG, "Reading configuration profile '%s'", name); 459 460 #ifdef UNICODE 461 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 462 #else /* UNICODE */ 463 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 464 #endif /* UNICODE */ 465 466 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_QUERY_VALUE, &hk); 467 if (ret != ERROR_SUCCESS) { 468 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 469 "configuration registry HKLM\\" TSTR, buf); 470 os_free(config); 471 return NULL; 472 } 473 474 if (wpa_config_read_global(config, hk)) 475 errors++; 476 477 if (wpa_config_read_networks(config, hk)) 478 errors++; 479 480 if (wpa_config_read_blobs(config, hk)) 481 errors++; 482 483 wpa_config_debug_dump_networks(config); 484 485 RegCloseKey(hk); 486 487 if (errors) { 488 wpa_config_free(config); 489 config = NULL; 490 } 491 492 return config; 493 } 494 495 496 static int wpa_config_write_reg_dword(HKEY hk, const TCHAR *name, int val, 497 int def) 498 { 499 LONG ret; 500 DWORD _val = val; 501 502 if (val == def) { 503 RegDeleteValue(hk, name); 504 return 0; 505 } 506 507 ret = RegSetValueEx(hk, name, 0, REG_DWORD, (LPBYTE) &_val, 508 sizeof(_val)); 509 if (ret != ERROR_SUCCESS) { 510 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s=%d: error %d", 511 name, val, (int) GetLastError()); 512 return -1; 513 } 514 515 return 0; 516 } 517 518 519 static int wpa_config_write_reg_string(HKEY hk, const char *name, 520 const char *val) 521 { 522 LONG ret; 523 TCHAR *_name, *_val; 524 525 _name = wpa_strdup_tchar(name); 526 if (_name == NULL) 527 return -1; 528 529 if (val == NULL) { 530 RegDeleteValue(hk, _name); 531 os_free(_name); 532 return 0; 533 } 534 535 _val = wpa_strdup_tchar(val); 536 if (_val == NULL) { 537 os_free(_name); 538 return -1; 539 } 540 ret = RegSetValueEx(hk, _name, 0, REG_SZ, (BYTE *) _val, 541 (os_strlen(val) + 1) * sizeof(TCHAR)); 542 if (ret != ERROR_SUCCESS) { 543 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s='%s': " 544 "error %d", name, val, (int) GetLastError()); 545 os_free(_name); 546 os_free(_val); 547 return -1; 548 } 549 550 os_free(_name); 551 os_free(_val); 552 return 0; 553 } 554 555 556 static int wpa_config_write_global(struct wpa_config *config, HKEY hk) 557 { 558 #ifdef CONFIG_CTRL_IFACE 559 wpa_config_write_reg_string(hk, "ctrl_interface", 560 config->ctrl_interface); 561 #endif /* CONFIG_CTRL_IFACE */ 562 563 wpa_config_write_reg_dword(hk, TEXT("eapol_version"), 564 config->eapol_version, 565 DEFAULT_EAPOL_VERSION); 566 wpa_config_write_reg_dword(hk, TEXT("ap_scan"), config->ap_scan, 567 DEFAULT_AP_SCAN); 568 wpa_config_write_reg_dword(hk, TEXT("fast_reauth"), 569 config->fast_reauth, DEFAULT_FAST_REAUTH); 570 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigPMKLifetime"), 571 config->dot11RSNAConfigPMKLifetime, 0); 572 wpa_config_write_reg_dword(hk, 573 TEXT("dot11RSNAConfigPMKReauthThreshold"), 574 config->dot11RSNAConfigPMKReauthThreshold, 575 0); 576 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigSATimeout"), 577 config->dot11RSNAConfigSATimeout, 0); 578 wpa_config_write_reg_dword(hk, TEXT("update_config"), 579 config->update_config, 580 0); 581 #ifdef CONFIG_WPS 582 if (!is_nil_uuid(config->uuid)) { 583 char buf[40]; 584 uuid_bin2str(config->uuid, buf, sizeof(buf)); 585 wpa_config_write_reg_string(hk, "uuid", buf); 586 } 587 wpa_config_write_reg_string(hk, "device_name", config->device_name); 588 wpa_config_write_reg_string(hk, "manufacturer", config->manufacturer); 589 wpa_config_write_reg_string(hk, "model_name", config->model_name); 590 wpa_config_write_reg_string(hk, "model_number", config->model_number); 591 wpa_config_write_reg_string(hk, "serial_number", 592 config->serial_number); 593 { 594 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; 595 buf = wps_dev_type_bin2str(config->device_type, 596 _buf, sizeof(_buf)); 597 wpa_config_write_reg_string(hk, "device_type", buf); 598 } 599 wpa_config_write_reg_string(hk, "config_methods", 600 config->config_methods); 601 if (WPA_GET_BE32(config->os_version)) { 602 char vbuf[10]; 603 os_snprintf(vbuf, sizeof(vbuf), "%08x", 604 WPA_GET_BE32(config->os_version)); 605 wpa_config_write_reg_string(hk, "os_version", vbuf); 606 } 607 wpa_config_write_reg_dword(hk, TEXT("wps_cred_processing"), 608 config->wps_cred_processing, 0); 609 #endif /* CONFIG_WPS */ 610 #ifdef CONFIG_P2P 611 wpa_config_write_reg_string(hk, "p2p_ssid_postfix", 612 config->p2p_ssid_postfix); 613 wpa_config_write_reg_dword(hk, TEXT("p2p_group_idle"), 614 config->p2p_group_idle, 0); 615 #endif /* CONFIG_P2P */ 616 617 wpa_config_write_reg_dword(hk, TEXT("bss_max_count"), 618 config->bss_max_count, 619 DEFAULT_BSS_MAX_COUNT); 620 wpa_config_write_reg_dword(hk, TEXT("filter_ssids"), 621 config->filter_ssids, 0); 622 wpa_config_write_reg_dword(hk, TEXT("max_num_sta"), 623 config->max_num_sta, DEFAULT_MAX_NUM_STA); 624 wpa_config_write_reg_dword(hk, TEXT("disassoc_low_ack"), 625 config->disassoc_low_ack, 0); 626 627 return 0; 628 } 629 630 631 static int wpa_config_delete_subkeys(HKEY hk, const TCHAR *key) 632 { 633 HKEY nhk; 634 int i, errors = 0; 635 LONG ret; 636 637 ret = RegOpenKeyEx(hk, key, 0, KEY_ENUMERATE_SUB_KEYS | DELETE, &nhk); 638 if (ret != ERROR_SUCCESS) { 639 wpa_printf(MSG_DEBUG, "WINREG: Could not open key '" TSTR 640 "' for subkey deletion: error 0x%x (%d)", key, 641 (unsigned int) ret, (int) GetLastError()); 642 return 0; 643 } 644 645 for (i = 0; ; i++) { 646 TCHAR name[255]; 647 DWORD namelen; 648 649 namelen = 255; 650 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 651 NULL); 652 653 if (ret == ERROR_NO_MORE_ITEMS) 654 break; 655 656 if (ret != ERROR_SUCCESS) { 657 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x (%d)", 658 (unsigned int) ret, (int) GetLastError()); 659 break; 660 } 661 662 if (namelen >= 255) 663 namelen = 255 - 1; 664 name[namelen] = TEXT('\0'); 665 666 ret = RegDeleteKey(nhk, name); 667 if (ret != ERROR_SUCCESS) { 668 wpa_printf(MSG_DEBUG, "RegDeleteKey failed: 0x%x (%d)", 669 (unsigned int) ret, (int) GetLastError()); 670 errors++; 671 } 672 } 673 674 RegCloseKey(nhk); 675 676 return errors ? -1 : 0; 677 } 678 679 680 static void write_str(HKEY hk, const char *field, struct wpa_ssid *ssid) 681 { 682 char *value = wpa_config_get(ssid, field); 683 if (value == NULL) 684 return; 685 wpa_config_write_reg_string(hk, field, value); 686 os_free(value); 687 } 688 689 690 static void write_int(HKEY hk, const char *field, int value, int def) 691 { 692 char val[20]; 693 if (value == def) 694 return; 695 os_snprintf(val, sizeof(val), "%d", value); 696 wpa_config_write_reg_string(hk, field, val); 697 } 698 699 700 static void write_bssid(HKEY hk, struct wpa_ssid *ssid) 701 { 702 char *value = wpa_config_get(ssid, "bssid"); 703 if (value == NULL) 704 return; 705 wpa_config_write_reg_string(hk, "bssid", value); 706 os_free(value); 707 } 708 709 710 static void write_psk(HKEY hk, struct wpa_ssid *ssid) 711 { 712 char *value = wpa_config_get(ssid, "psk"); 713 if (value == NULL) 714 return; 715 wpa_config_write_reg_string(hk, "psk", value); 716 os_free(value); 717 } 718 719 720 static void write_proto(HKEY hk, struct wpa_ssid *ssid) 721 { 722 char *value; 723 724 if (ssid->proto == DEFAULT_PROTO) 725 return; 726 727 value = wpa_config_get(ssid, "proto"); 728 if (value == NULL) 729 return; 730 if (value[0]) 731 wpa_config_write_reg_string(hk, "proto", value); 732 os_free(value); 733 } 734 735 736 static void write_key_mgmt(HKEY hk, struct wpa_ssid *ssid) 737 { 738 char *value; 739 740 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 741 return; 742 743 value = wpa_config_get(ssid, "key_mgmt"); 744 if (value == NULL) 745 return; 746 if (value[0]) 747 wpa_config_write_reg_string(hk, "key_mgmt", value); 748 os_free(value); 749 } 750 751 752 static void write_pairwise(HKEY hk, struct wpa_ssid *ssid) 753 { 754 char *value; 755 756 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 757 return; 758 759 value = wpa_config_get(ssid, "pairwise"); 760 if (value == NULL) 761 return; 762 if (value[0]) 763 wpa_config_write_reg_string(hk, "pairwise", value); 764 os_free(value); 765 } 766 767 768 static void write_group(HKEY hk, struct wpa_ssid *ssid) 769 { 770 char *value; 771 772 if (ssid->group_cipher == DEFAULT_GROUP) 773 return; 774 775 value = wpa_config_get(ssid, "group"); 776 if (value == NULL) 777 return; 778 if (value[0]) 779 wpa_config_write_reg_string(hk, "group", value); 780 os_free(value); 781 } 782 783 784 static void write_auth_alg(HKEY hk, struct wpa_ssid *ssid) 785 { 786 char *value; 787 788 if (ssid->auth_alg == 0) 789 return; 790 791 value = wpa_config_get(ssid, "auth_alg"); 792 if (value == NULL) 793 return; 794 if (value[0]) 795 wpa_config_write_reg_string(hk, "auth_alg", value); 796 os_free(value); 797 } 798 799 800 #ifdef IEEE8021X_EAPOL 801 static void write_eap(HKEY hk, struct wpa_ssid *ssid) 802 { 803 char *value; 804 805 value = wpa_config_get(ssid, "eap"); 806 if (value == NULL) 807 return; 808 809 if (value[0]) 810 wpa_config_write_reg_string(hk, "eap", value); 811 os_free(value); 812 } 813 #endif /* IEEE8021X_EAPOL */ 814 815 816 static void write_wep_key(HKEY hk, int idx, struct wpa_ssid *ssid) 817 { 818 char field[20], *value; 819 820 os_snprintf(field, sizeof(field), "wep_key%d", idx); 821 value = wpa_config_get(ssid, field); 822 if (value) { 823 wpa_config_write_reg_string(hk, field, value); 824 os_free(value); 825 } 826 } 827 828 829 static int wpa_config_write_network(HKEY hk, struct wpa_ssid *ssid, int id) 830 { 831 int i, errors = 0; 832 HKEY nhk, netw; 833 LONG ret; 834 TCHAR name[5]; 835 836 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_CREATE_SUB_KEY, &nhk); 837 if (ret != ERROR_SUCCESS) { 838 wpa_printf(MSG_DEBUG, "WINREG: Could not open networks key " 839 "for subkey addition: error 0x%x (%d)", 840 (unsigned int) ret, (int) GetLastError()); 841 return 0; 842 } 843 844 #ifdef UNICODE 845 wsprintf(name, L"%04d", id); 846 #else /* UNICODE */ 847 os_snprintf(name, sizeof(name), "%04d", id); 848 #endif /* UNICODE */ 849 ret = RegCreateKeyEx(nhk, name, 0, NULL, 0, KEY_WRITE, NULL, &netw, 850 NULL); 851 RegCloseKey(nhk); 852 if (ret != ERROR_SUCCESS) { 853 wpa_printf(MSG_DEBUG, "WINREG: Could not add network key '%s':" 854 " error 0x%x (%d)", 855 name, (unsigned int) ret, (int) GetLastError()); 856 return -1; 857 } 858 859 #define STR(t) write_str(netw, #t, ssid) 860 #define INT(t) write_int(netw, #t, ssid->t, 0) 861 #define INTe(t) write_int(netw, #t, ssid->eap.t, 0) 862 #define INT_DEF(t, def) write_int(netw, #t, ssid->t, def) 863 #define INT_DEFe(t, def) write_int(netw, #t, ssid->eap.t, def) 864 865 STR(ssid); 866 INT(scan_ssid); 867 write_bssid(netw, ssid); 868 write_psk(netw, ssid); 869 write_proto(netw, ssid); 870 write_key_mgmt(netw, ssid); 871 write_pairwise(netw, ssid); 872 write_group(netw, ssid); 873 write_auth_alg(netw, ssid); 874 #ifdef IEEE8021X_EAPOL 875 write_eap(netw, ssid); 876 STR(identity); 877 STR(anonymous_identity); 878 STR(password); 879 STR(ca_cert); 880 STR(ca_path); 881 STR(client_cert); 882 STR(private_key); 883 STR(private_key_passwd); 884 STR(dh_file); 885 STR(subject_match); 886 STR(altsubject_match); 887 STR(ca_cert2); 888 STR(ca_path2); 889 STR(client_cert2); 890 STR(private_key2); 891 STR(private_key2_passwd); 892 STR(dh_file2); 893 STR(subject_match2); 894 STR(altsubject_match2); 895 STR(phase1); 896 STR(phase2); 897 STR(pcsc); 898 STR(pin); 899 STR(engine_id); 900 STR(key_id); 901 STR(cert_id); 902 STR(ca_cert_id); 903 STR(key2_id); 904 STR(pin2); 905 STR(engine2_id); 906 STR(cert2_id); 907 STR(ca_cert2_id); 908 INTe(engine); 909 INTe(engine2); 910 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 911 #endif /* IEEE8021X_EAPOL */ 912 for (i = 0; i < 4; i++) 913 write_wep_key(netw, i, ssid); 914 INT(wep_tx_keyidx); 915 INT(priority); 916 #ifdef IEEE8021X_EAPOL 917 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 918 STR(pac_file); 919 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 920 #endif /* IEEE8021X_EAPOL */ 921 INT(mode); 922 INT(proactive_key_caching); 923 INT(disabled); 924 INT(peerkey); 925 #ifdef CONFIG_IEEE80211W 926 INT(ieee80211w); 927 #endif /* CONFIG_IEEE80211W */ 928 STR(id_str); 929 930 #undef STR 931 #undef INT 932 #undef INT_DEF 933 934 RegCloseKey(netw); 935 936 return errors ? -1 : 0; 937 } 938 939 940 static int wpa_config_write_blob(HKEY hk, struct wpa_config_blob *blob) 941 { 942 HKEY bhk; 943 LONG ret; 944 TCHAR *name; 945 946 ret = RegCreateKeyEx(hk, TEXT("blobs"), 0, NULL, 0, KEY_WRITE, NULL, 947 &bhk, NULL); 948 if (ret != ERROR_SUCCESS) { 949 wpa_printf(MSG_DEBUG, "WINREG: Could not add blobs key: " 950 "error 0x%x (%d)", 951 (unsigned int) ret, (int) GetLastError()); 952 return -1; 953 } 954 955 name = wpa_strdup_tchar(blob->name); 956 ret = RegSetValueEx(bhk, name, 0, REG_BINARY, blob->data, 957 blob->len); 958 if (ret != ERROR_SUCCESS) { 959 wpa_printf(MSG_ERROR, "WINREG: Failed to set blob %s': " 960 "error 0x%x (%d)", blob->name, (unsigned int) ret, 961 (int) GetLastError()); 962 RegCloseKey(bhk); 963 os_free(name); 964 return -1; 965 } 966 os_free(name); 967 968 RegCloseKey(bhk); 969 970 return 0; 971 } 972 973 974 int wpa_config_write(const char *name, struct wpa_config *config) 975 { 976 TCHAR buf[256]; 977 HKEY hk; 978 LONG ret; 979 int errors = 0; 980 struct wpa_ssid *ssid; 981 struct wpa_config_blob *blob; 982 int id; 983 984 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 985 986 #ifdef UNICODE 987 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 988 #else /* UNICODE */ 989 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 990 #endif /* UNICODE */ 991 992 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_SET_VALUE | DELETE, &hk); 993 if (ret != ERROR_SUCCESS) { 994 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 995 "configuration registry %s: error %d", buf, 996 (int) GetLastError()); 997 return -1; 998 } 999 1000 if (wpa_config_write_global(config, hk)) { 1001 wpa_printf(MSG_ERROR, "Failed to write global configuration " 1002 "data"); 1003 errors++; 1004 } 1005 1006 wpa_config_delete_subkeys(hk, TEXT("networks")); 1007 for (ssid = config->ssid, id = 0; ssid; ssid = ssid->next, id++) { 1008 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) 1009 continue; /* do not save temporary WPS networks */ 1010 if (wpa_config_write_network(hk, ssid, id)) 1011 errors++; 1012 } 1013 1014 RegDeleteKey(hk, TEXT("blobs")); 1015 for (blob = config->blobs; blob; blob = blob->next) { 1016 if (wpa_config_write_blob(hk, blob)) 1017 errors++; 1018 } 1019 1020 RegCloseKey(hk); 1021 1022 wpa_printf(MSG_DEBUG, "Configuration '%s' written %ssuccessfully", 1023 name, errors ? "un" : ""); 1024 return errors ? -1 : 0; 1025 } 1026
