1/* 2 * WPA Supplicant / Configuration backend: Windows registry 3 * Copyright (c) 2003-2008, 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 * 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 30HKEY_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 56static 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 126static 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 143static 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 170static 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 188static 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 208static 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 config->device_type = wpa_config_read_reg_string( 251 hk, TEXT("device_type")); 252 config->config_methods = wpa_config_read_reg_string( 253 hk, TEXT("config_methods")); 254 if (wpa_config_read_global_os_version(config, hk)) 255 errors++; 256 wpa_config_read_reg_dword(hk, TEXT("wps_cred_processing"), 257 &config->wps_cred_processing); 258#endif /* CONFIG_WPS */ 259 260 wpa_config_read_reg_dword(hk, TEXT("bss_max_count"), 261 (int *) &config->bss_max_count); 262 wpa_config_read_reg_dword(hk, TEXT("filter_ssids"), 263 &config->filter_ssids); 264 265 return errors ? -1 : 0; 266} 267 268 269static struct wpa_ssid * wpa_config_read_network(HKEY hk, const TCHAR *netw, 270 int id) 271{ 272 HKEY nhk; 273 LONG ret; 274 DWORD i; 275 struct wpa_ssid *ssid; 276 int errors = 0; 277 278 ret = RegOpenKeyEx(hk, netw, 0, KEY_QUERY_VALUE, &nhk); 279 if (ret != ERROR_SUCCESS) { 280 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 281 "network '" TSTR "'", netw); 282 return NULL; 283 } 284 285 wpa_printf(MSG_MSGDUMP, "Start of a new network '" TSTR "'", netw); 286 ssid = os_zalloc(sizeof(*ssid)); 287 if (ssid == NULL) { 288 RegCloseKey(nhk); 289 return NULL; 290 } 291 ssid->id = id; 292 293 wpa_config_set_network_defaults(ssid); 294 295 for (i = 0; ; i++) { 296 TCHAR name[255], data[1024]; 297 DWORD namelen, datalen, type; 298 299 namelen = 255; 300 datalen = sizeof(data); 301 ret = RegEnumValue(nhk, i, name, &namelen, NULL, &type, 302 (LPBYTE) data, &datalen); 303 304 if (ret == ERROR_NO_MORE_ITEMS) 305 break; 306 307 if (ret != ERROR_SUCCESS) { 308 wpa_printf(MSG_ERROR, "RegEnumValue failed: 0x%x", 309 (unsigned int) ret); 310 break; 311 } 312 313 if (namelen >= 255) 314 namelen = 255 - 1; 315 name[namelen] = TEXT('\0'); 316 317 if (datalen >= 1024) 318 datalen = 1024 - 1; 319 data[datalen] = TEXT('\0'); 320 321 wpa_unicode2ascii_inplace(name); 322 wpa_unicode2ascii_inplace(data); 323 if (wpa_config_set(ssid, (char *) name, (char *) data, 0) < 0) 324 errors++; 325 } 326 327 RegCloseKey(nhk); 328 329 if (ssid->passphrase) { 330 if (ssid->psk_set) { 331 wpa_printf(MSG_ERROR, "Both PSK and passphrase " 332 "configured for network '" TSTR "'.", netw); 333 errors++; 334 } 335 wpa_config_update_psk(ssid); 336 } 337 338 if ((ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK | 339 WPA_KEY_MGMT_PSK_SHA256)) && 340 !ssid->psk_set) { 341 wpa_printf(MSG_ERROR, "WPA-PSK accepted for key management, " 342 "but no PSK configured for network '" TSTR "'.", 343 netw); 344 errors++; 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 366static 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 432struct 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 481static 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 504static 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 541static 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 wpa_config_write_reg_string(hk, "device_type", config->device_type); 579 wpa_config_write_reg_string(hk, "config_methods", 580 config->config_methods); 581 if (WPA_GET_BE32(config->os_version)) { 582 char vbuf[10]; 583 os_snprintf(vbuf, sizeof(vbuf), "%08x", 584 WPA_GET_BE32(config->os_version)); 585 wpa_config_write_reg_string(hk, "os_version", vbuf); 586 } 587 wpa_config_write_reg_dword(hk, TEXT("wps_cred_processing"), 588 config->wps_cred_processing, 0); 589#endif /* CONFIG_WPS */ 590 591 wpa_config_write_reg_dword(hk, TEXT("bss_max_count"), 592 config->bss_max_count, 593 DEFAULT_BSS_MAX_COUNT); 594 wpa_config_write_reg_dword(hk, TEXT("filter_ssids"), 595 config->filter_ssids, 0); 596 597 return 0; 598} 599 600 601static int wpa_config_delete_subkeys(HKEY hk, const TCHAR *key) 602{ 603 HKEY nhk; 604 int i, errors = 0; 605 LONG ret; 606 607 ret = RegOpenKeyEx(hk, key, 0, KEY_ENUMERATE_SUB_KEYS | DELETE, &nhk); 608 if (ret != ERROR_SUCCESS) { 609 wpa_printf(MSG_DEBUG, "WINREG: Could not open key '" TSTR 610 "' for subkey deletion: error 0x%x (%d)", key, 611 (unsigned int) ret, (int) GetLastError()); 612 return 0; 613 } 614 615 for (i = 0; ; i++) { 616 TCHAR name[255]; 617 DWORD namelen; 618 619 namelen = 255; 620 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 621 NULL); 622 623 if (ret == ERROR_NO_MORE_ITEMS) 624 break; 625 626 if (ret != ERROR_SUCCESS) { 627 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x (%d)", 628 (unsigned int) ret, (int) GetLastError()); 629 break; 630 } 631 632 if (namelen >= 255) 633 namelen = 255 - 1; 634 name[namelen] = TEXT('\0'); 635 636 ret = RegDeleteKey(nhk, name); 637 if (ret != ERROR_SUCCESS) { 638 wpa_printf(MSG_DEBUG, "RegDeleteKey failed: 0x%x (%d)", 639 (unsigned int) ret, (int) GetLastError()); 640 errors++; 641 } 642 } 643 644 RegCloseKey(nhk); 645 646 return errors ? -1 : 0; 647} 648 649 650static void write_str(HKEY hk, const char *field, struct wpa_ssid *ssid) 651{ 652 char *value = wpa_config_get(ssid, field); 653 if (value == NULL) 654 return; 655 wpa_config_write_reg_string(hk, field, value); 656 os_free(value); 657} 658 659 660static void write_int(HKEY hk, const char *field, int value, int def) 661{ 662 char val[20]; 663 if (value == def) 664 return; 665 os_snprintf(val, sizeof(val), "%d", value); 666 wpa_config_write_reg_string(hk, field, val); 667} 668 669 670static void write_bssid(HKEY hk, struct wpa_ssid *ssid) 671{ 672 char *value = wpa_config_get(ssid, "bssid"); 673 if (value == NULL) 674 return; 675 wpa_config_write_reg_string(hk, "bssid", value); 676 os_free(value); 677} 678 679 680static void write_psk(HKEY hk, struct wpa_ssid *ssid) 681{ 682 char *value = wpa_config_get(ssid, "psk"); 683 if (value == NULL) 684 return; 685 wpa_config_write_reg_string(hk, "psk", value); 686 os_free(value); 687} 688 689 690static void write_proto(HKEY hk, struct wpa_ssid *ssid) 691{ 692 char *value; 693 694 if (ssid->proto == DEFAULT_PROTO) 695 return; 696 697 value = wpa_config_get(ssid, "proto"); 698 if (value == NULL) 699 return; 700 if (value[0]) 701 wpa_config_write_reg_string(hk, "proto", value); 702 os_free(value); 703} 704 705 706static void write_key_mgmt(HKEY hk, struct wpa_ssid *ssid) 707{ 708 char *value; 709 710 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 711 return; 712 713 value = wpa_config_get(ssid, "key_mgmt"); 714 if (value == NULL) 715 return; 716 if (value[0]) 717 wpa_config_write_reg_string(hk, "key_mgmt", value); 718 os_free(value); 719} 720 721 722static void write_pairwise(HKEY hk, struct wpa_ssid *ssid) 723{ 724 char *value; 725 726 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 727 return; 728 729 value = wpa_config_get(ssid, "pairwise"); 730 if (value == NULL) 731 return; 732 if (value[0]) 733 wpa_config_write_reg_string(hk, "pairwise", value); 734 os_free(value); 735} 736 737 738static void write_group(HKEY hk, struct wpa_ssid *ssid) 739{ 740 char *value; 741 742 if (ssid->group_cipher == DEFAULT_GROUP) 743 return; 744 745 value = wpa_config_get(ssid, "group"); 746 if (value == NULL) 747 return; 748 if (value[0]) 749 wpa_config_write_reg_string(hk, "group", value); 750 os_free(value); 751} 752 753 754static void write_auth_alg(HKEY hk, struct wpa_ssid *ssid) 755{ 756 char *value; 757 758 if (ssid->auth_alg == 0) 759 return; 760 761 value = wpa_config_get(ssid, "auth_alg"); 762 if (value == NULL) 763 return; 764 if (value[0]) 765 wpa_config_write_reg_string(hk, "auth_alg", value); 766 os_free(value); 767} 768 769 770#ifdef IEEE8021X_EAPOL 771static void write_eap(HKEY hk, struct wpa_ssid *ssid) 772{ 773 char *value; 774 775 value = wpa_config_get(ssid, "eap"); 776 if (value == NULL) 777 return; 778 779 if (value[0]) 780 wpa_config_write_reg_string(hk, "eap", value); 781 os_free(value); 782} 783#endif /* IEEE8021X_EAPOL */ 784 785 786static void write_wep_key(HKEY hk, int idx, struct wpa_ssid *ssid) 787{ 788 char field[20], *value; 789 790 os_snprintf(field, sizeof(field), "wep_key%d", idx); 791 value = wpa_config_get(ssid, field); 792 if (value) { 793 wpa_config_write_reg_string(hk, field, value); 794 os_free(value); 795 } 796} 797 798 799static int wpa_config_write_network(HKEY hk, struct wpa_ssid *ssid, int id) 800{ 801 int i, errors = 0; 802 HKEY nhk, netw; 803 LONG ret; 804 TCHAR name[5]; 805 806 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_CREATE_SUB_KEY, &nhk); 807 if (ret != ERROR_SUCCESS) { 808 wpa_printf(MSG_DEBUG, "WINREG: Could not open networks key " 809 "for subkey addition: error 0x%x (%d)", 810 (unsigned int) ret, (int) GetLastError()); 811 return 0; 812 } 813 814#ifdef UNICODE 815 wsprintf(name, L"%04d", id); 816#else /* UNICODE */ 817 os_snprintf(name, sizeof(name), "%04d", id); 818#endif /* UNICODE */ 819 ret = RegCreateKeyEx(nhk, name, 0, NULL, 0, KEY_WRITE, NULL, &netw, 820 NULL); 821 RegCloseKey(nhk); 822 if (ret != ERROR_SUCCESS) { 823 wpa_printf(MSG_DEBUG, "WINREG: Could not add network key '%s':" 824 " error 0x%x (%d)", 825 name, (unsigned int) ret, (int) GetLastError()); 826 return -1; 827 } 828 829#define STR(t) write_str(netw, #t, ssid) 830#define INT(t) write_int(netw, #t, ssid->t, 0) 831#define INTe(t) write_int(netw, #t, ssid->eap.t, 0) 832#define INT_DEF(t, def) write_int(netw, #t, ssid->t, def) 833#define INT_DEFe(t, def) write_int(netw, #t, ssid->eap.t, def) 834 835 STR(ssid); 836 INT(scan_ssid); 837 write_bssid(netw, ssid); 838 write_psk(netw, ssid); 839 write_proto(netw, ssid); 840 write_key_mgmt(netw, ssid); 841 write_pairwise(netw, ssid); 842 write_group(netw, ssid); 843 write_auth_alg(netw, ssid); 844#ifdef IEEE8021X_EAPOL 845 write_eap(netw, ssid); 846 STR(identity); 847 STR(anonymous_identity); 848 STR(password); 849 STR(ca_cert); 850 STR(ca_path); 851 STR(client_cert); 852 STR(private_key); 853 STR(private_key_passwd); 854 STR(dh_file); 855 STR(subject_match); 856 STR(altsubject_match); 857 STR(ca_cert2); 858 STR(ca_path2); 859 STR(client_cert2); 860 STR(private_key2); 861 STR(private_key2_passwd); 862 STR(dh_file2); 863 STR(subject_match2); 864 STR(altsubject_match2); 865 STR(phase1); 866 STR(phase2); 867 STR(pcsc); 868 STR(pin); 869 STR(engine_id); 870 STR(key_id); 871 STR(cert_id); 872 STR(ca_cert_id); 873 STR(key2_id); 874 STR(pin2); 875 STR(engine2_id); 876 STR(cert2_id); 877 STR(ca_cert2_id); 878 INTe(engine); 879 INTe(engine2); 880 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 881#endif /* IEEE8021X_EAPOL */ 882 for (i = 0; i < 4; i++) 883 write_wep_key(netw, i, ssid); 884 INT(wep_tx_keyidx); 885 INT(priority); 886#ifdef IEEE8021X_EAPOL 887 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 888 STR(pac_file); 889 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 890#endif /* IEEE8021X_EAPOL */ 891 INT(mode); 892 INT(proactive_key_caching); 893 INT(disabled); 894 INT(peerkey); 895#ifdef CONFIG_IEEE80211W 896 INT(ieee80211w); 897#endif /* CONFIG_IEEE80211W */ 898 STR(id_str); 899 900#undef STR 901#undef INT 902#undef INT_DEF 903 904 RegCloseKey(netw); 905 906 return errors ? -1 : 0; 907} 908 909 910static int wpa_config_write_blob(HKEY hk, struct wpa_config_blob *blob) 911{ 912 HKEY bhk; 913 LONG ret; 914 TCHAR *name; 915 916 ret = RegCreateKeyEx(hk, TEXT("blobs"), 0, NULL, 0, KEY_WRITE, NULL, 917 &bhk, NULL); 918 if (ret != ERROR_SUCCESS) { 919 wpa_printf(MSG_DEBUG, "WINREG: Could not add blobs key: " 920 "error 0x%x (%d)", 921 (unsigned int) ret, (int) GetLastError()); 922 return -1; 923 } 924 925 name = wpa_strdup_tchar(blob->name); 926 ret = RegSetValueEx(bhk, name, 0, REG_BINARY, blob->data, 927 blob->len); 928 if (ret != ERROR_SUCCESS) { 929 wpa_printf(MSG_ERROR, "WINREG: Failed to set blob %s': " 930 "error 0x%x (%d)", blob->name, (unsigned int) ret, 931 (int) GetLastError()); 932 RegCloseKey(bhk); 933 os_free(name); 934 return -1; 935 } 936 os_free(name); 937 938 RegCloseKey(bhk); 939 940 return 0; 941} 942 943 944int wpa_config_write(const char *name, struct wpa_config *config) 945{ 946 TCHAR buf[256]; 947 HKEY hk; 948 LONG ret; 949 int errors = 0; 950 struct wpa_ssid *ssid; 951 struct wpa_config_blob *blob; 952 int id; 953 954 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 955 956#ifdef UNICODE 957 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 958#else /* UNICODE */ 959 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 960#endif /* UNICODE */ 961 962 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_SET_VALUE | DELETE, &hk); 963 if (ret != ERROR_SUCCESS) { 964 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 965 "configuration registry %s: error %d", buf, 966 (int) GetLastError()); 967 return -1; 968 } 969 970 if (wpa_config_write_global(config, hk)) { 971 wpa_printf(MSG_ERROR, "Failed to write global configuration " 972 "data"); 973 errors++; 974 } 975 976 wpa_config_delete_subkeys(hk, TEXT("networks")); 977 for (ssid = config->ssid, id = 0; ssid; ssid = ssid->next, id++) { 978 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) 979 continue; /* do not save temporary WPS networks */ 980 if (wpa_config_write_network(hk, ssid, id)) 981 errors++; 982 } 983 984 RegDeleteKey(hk, TEXT("blobs")); 985 for (blob = config->blobs; blob; blob = blob->next) { 986 if (wpa_config_write_blob(hk, blob)) 987 errors++; 988 } 989 990 RegCloseKey(hk); 991 992 wpa_printf(MSG_DEBUG, "Configuration '%s' written %ssuccessfully", 993 name, errors ? "un" : ""); 994 return errors ? -1 : 0; 995} 996