1 /* 2 * WPA Supplicant / Configuration backend: Windows registry 3 * Copyright (c) 2003-2008, Jouni Malinen <j@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_memdup(data, datalen); 103 if (blob->name == NULL || blob->data == NULL) { 104 wpa_config_free_blob(blob); 105 errors++; 106 break; 107 } 108 blob->len = datalen; 109 110 wpa_config_set_blob(config, blob); 111 } 112 113 RegCloseKey(bhk); 114 115 return errors ? -1 : 0; 116 } 117 118 119 static int wpa_config_read_reg_dword(HKEY hk, const TCHAR *name, int *_val) 120 { 121 DWORD val, buflen; 122 LONG ret; 123 124 buflen = sizeof(val); 125 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) &val, &buflen); 126 if (ret == ERROR_SUCCESS && buflen == sizeof(val)) { 127 wpa_printf(MSG_DEBUG, TSTR "=%d", name, (int) val); 128 *_val = val; 129 return 0; 130 } 131 132 return -1; 133 } 134 135 136 static char * wpa_config_read_reg_string(HKEY hk, const TCHAR *name) 137 { 138 DWORD buflen; 139 LONG ret; 140 TCHAR *val; 141 142 buflen = 0; 143 ret = RegQueryValueEx(hk, name, NULL, NULL, NULL, &buflen); 144 if (ret != ERROR_SUCCESS) 145 return NULL; 146 val = os_malloc(buflen); 147 if (val == NULL) 148 return NULL; 149 150 ret = RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE) val, &buflen); 151 if (ret != ERROR_SUCCESS) { 152 os_free(val); 153 return NULL; 154 } 155 156 wpa_unicode2ascii_inplace(val); 157 wpa_printf(MSG_DEBUG, TSTR "=%s", name, (char *) val); 158 return (char *) val; 159 } 160 161 162 #ifdef CONFIG_WPS 163 static int wpa_config_read_global_uuid(struct wpa_config *config, HKEY hk) 164 { 165 char *str; 166 int ret = 0; 167 168 str = wpa_config_read_reg_string(hk, TEXT("uuid")); 169 if (str == NULL) 170 return 0; 171 172 if (uuid_str2bin(str, config->uuid)) 173 ret = -1; 174 175 os_free(str); 176 177 return ret; 178 } 179 180 181 static int wpa_config_read_global_os_version(struct wpa_config *config, 182 HKEY hk) 183 { 184 char *str; 185 int ret = 0; 186 187 str = wpa_config_read_reg_string(hk, TEXT("os_version")); 188 if (str == NULL) 189 return 0; 190 191 if (hexstr2bin(str, config->os_version, 4)) 192 ret = -1; 193 194 os_free(str); 195 196 return ret; 197 } 198 #endif /* CONFIG_WPS */ 199 200 201 static int wpa_config_read_global(struct wpa_config *config, HKEY hk) 202 { 203 int errors = 0; 204 int val; 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 wpa_config_read_reg_dword(hk, TEXT("auto_uuid"), &config->auto_uuid); 237 config->device_name = wpa_config_read_reg_string( 238 hk, TEXT("device_name")); 239 config->manufacturer = wpa_config_read_reg_string( 240 hk, TEXT("manufacturer")); 241 config->model_name = wpa_config_read_reg_string( 242 hk, TEXT("model_name")); 243 config->serial_number = wpa_config_read_reg_string( 244 hk, TEXT("serial_number")); 245 { 246 char *t = wpa_config_read_reg_string( 247 hk, TEXT("device_type")); 248 if (t && wps_dev_type_str2bin(t, config->device_type)) 249 errors++; 250 os_free(t); 251 } 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 wpa_config_read_reg_dword(hk, TEXT("wps_cred_add_sae"), 259 &config->wps_cred_add_sae); 260 #endif /* CONFIG_WPS */ 261 #ifdef CONFIG_P2P 262 config->p2p_ssid_postfix = wpa_config_read_reg_string( 263 hk, TEXT("p2p_ssid_postfix")); 264 wpa_config_read_reg_dword(hk, TEXT("p2p_group_idle"), 265 (int *) &config->p2p_group_idle); 266 #endif /* CONFIG_P2P */ 267 268 wpa_config_read_reg_dword(hk, TEXT("bss_max_count"), 269 (int *) &config->bss_max_count); 270 wpa_config_read_reg_dword(hk, TEXT("filter_ssids"), 271 &config->filter_ssids); 272 wpa_config_read_reg_dword(hk, TEXT("max_num_sta"), 273 (int *) &config->max_num_sta); 274 wpa_config_read_reg_dword(hk, TEXT("disassoc_low_ack"), 275 (int *) &config->disassoc_low_ack); 276 277 wpa_config_read_reg_dword(hk, TEXT("okc"), &config->okc); 278 wpa_config_read_reg_dword(hk, TEXT("pmf"), &val); 279 config->pmf = val; 280 281 return errors ? -1 : 0; 282 } 283 284 285 static struct wpa_ssid * wpa_config_read_network(HKEY hk, const TCHAR *netw, 286 int id) 287 { 288 HKEY nhk; 289 LONG ret; 290 DWORD i; 291 struct wpa_ssid *ssid; 292 int errors = 0; 293 294 ret = RegOpenKeyEx(hk, netw, 0, KEY_QUERY_VALUE, &nhk); 295 if (ret != ERROR_SUCCESS) { 296 wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config " 297 "network '" TSTR "'", netw); 298 return NULL; 299 } 300 301 wpa_printf(MSG_MSGDUMP, "Start of a new network '" TSTR "'", netw); 302 ssid = os_zalloc(sizeof(*ssid)); 303 if (ssid == NULL) { 304 RegCloseKey(nhk); 305 return NULL; 306 } 307 dl_list_init(&ssid->psk_list); 308 ssid->id = id; 309 310 wpa_config_set_network_defaults(ssid); 311 312 for (i = 0; ; i++) { 313 TCHAR name[255], data[1024]; 314 DWORD namelen, datalen, type; 315 316 namelen = 255; 317 datalen = sizeof(data); 318 ret = RegEnumValue(nhk, i, name, &namelen, NULL, &type, 319 (LPBYTE) data, &datalen); 320 321 if (ret == ERROR_NO_MORE_ITEMS) 322 break; 323 324 if (ret != ERROR_SUCCESS) { 325 wpa_printf(MSG_ERROR, "RegEnumValue failed: 0x%x", 326 (unsigned int) ret); 327 break; 328 } 329 330 if (namelen >= 255) 331 namelen = 255 - 1; 332 name[namelen] = TEXT('\0'); 333 334 if (datalen >= 1024) 335 datalen = 1024 - 1; 336 data[datalen] = TEXT('\0'); 337 338 wpa_unicode2ascii_inplace(name); 339 wpa_unicode2ascii_inplace(data); 340 if (wpa_config_set(ssid, (char *) name, (char *) data, 0) < 0) 341 errors++; 342 } 343 344 RegCloseKey(nhk); 345 346 if (ssid->passphrase) { 347 if (ssid->psk_set) { 348 wpa_printf(MSG_ERROR, "Both PSK and passphrase " 349 "configured for network '" TSTR "'.", netw); 350 errors++; 351 } 352 wpa_config_update_psk(ssid); 353 } 354 355 if ((ssid->group_cipher & WPA_CIPHER_CCMP) && 356 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 357 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { 358 /* Group cipher cannot be stronger than the pairwise cipher. */ 359 wpa_printf(MSG_DEBUG, "Removed CCMP from group cipher " 360 "list since it was not allowed for pairwise " 361 "cipher for network '" TSTR "'.", netw); 362 ssid->group_cipher &= ~WPA_CIPHER_CCMP; 363 } 364 365 if (errors) { 366 wpa_config_free_ssid(ssid); 367 ssid = NULL; 368 } 369 370 return ssid; 371 } 372 373 374 static int wpa_config_read_networks(struct wpa_config *config, HKEY hk) 375 { 376 HKEY nhk; 377 struct wpa_ssid *ssid, *tail = NULL, *head = NULL; 378 int errors = 0; 379 LONG ret; 380 DWORD i; 381 382 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_ENUMERATE_SUB_KEYS, 383 &nhk); 384 if (ret != ERROR_SUCCESS) { 385 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant networks " 386 "registry key"); 387 return -1; 388 } 389 390 for (i = 0; ; i++) { 391 TCHAR name[255]; 392 DWORD namelen; 393 394 namelen = 255; 395 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 396 NULL); 397 398 if (ret == ERROR_NO_MORE_ITEMS) 399 break; 400 401 if (ret != ERROR_SUCCESS) { 402 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x", 403 (unsigned int) ret); 404 break; 405 } 406 407 if (namelen >= 255) 408 namelen = 255 - 1; 409 name[namelen] = '\0'; 410 411 ssid = wpa_config_read_network(nhk, name, i); 412 if (ssid == NULL) { 413 wpa_printf(MSG_ERROR, "Failed to parse network " 414 "profile '%s'.", name); 415 errors++; 416 continue; 417 } 418 if (head == NULL) { 419 head = tail = ssid; 420 } else { 421 tail->next = ssid; 422 tail = ssid; 423 } 424 if (wpa_config_add_prio_network(config, ssid)) { 425 wpa_printf(MSG_ERROR, "Failed to add network profile " 426 "'%s' to priority list.", name); 427 errors++; 428 continue; 429 } 430 } 431 432 RegCloseKey(nhk); 433 434 config->ssid = head; 435 436 return errors ? -1 : 0; 437 } 438 439 440 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp) 441 { 442 TCHAR buf[256]; 443 int errors = 0; 444 struct wpa_config *config; 445 HKEY hk; 446 LONG ret; 447 448 if (name == NULL) 449 return NULL; 450 if (cfgp) 451 config = cfgp; 452 else 453 config = wpa_config_alloc_empty(NULL, NULL); 454 if (config == NULL) 455 return NULL; 456 wpa_printf(MSG_DEBUG, "Reading configuration profile '%s'", name); 457 458 #ifdef UNICODE 459 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 460 #else /* UNICODE */ 461 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 462 #endif /* UNICODE */ 463 464 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_QUERY_VALUE, &hk); 465 if (ret != ERROR_SUCCESS) { 466 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 467 "configuration registry HKLM\\" TSTR, buf); 468 os_free(config); 469 return NULL; 470 } 471 472 if (wpa_config_read_global(config, hk)) 473 errors++; 474 475 if (wpa_config_read_networks(config, hk)) 476 errors++; 477 478 if (wpa_config_read_blobs(config, hk)) 479 errors++; 480 481 wpa_config_debug_dump_networks(config); 482 483 RegCloseKey(hk); 484 485 if (errors) { 486 wpa_config_free(config); 487 config = NULL; 488 } 489 490 return config; 491 } 492 493 494 static int wpa_config_write_reg_dword(HKEY hk, const TCHAR *name, int val, 495 int def) 496 { 497 LONG ret; 498 DWORD _val = val; 499 500 if (val == def) { 501 RegDeleteValue(hk, name); 502 return 0; 503 } 504 505 ret = RegSetValueEx(hk, name, 0, REG_DWORD, (LPBYTE) &_val, 506 sizeof(_val)); 507 if (ret != ERROR_SUCCESS) { 508 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s=%d: error %d", 509 name, val, (int) GetLastError()); 510 return -1; 511 } 512 513 return 0; 514 } 515 516 517 static int wpa_config_write_reg_string(HKEY hk, const char *name, 518 const char *val) 519 { 520 LONG ret; 521 TCHAR *_name, *_val; 522 523 _name = wpa_strdup_tchar(name); 524 if (_name == NULL) 525 return -1; 526 527 if (val == NULL) { 528 RegDeleteValue(hk, _name); 529 os_free(_name); 530 return 0; 531 } 532 533 _val = wpa_strdup_tchar(val); 534 if (_val == NULL) { 535 os_free(_name); 536 return -1; 537 } 538 ret = RegSetValueEx(hk, _name, 0, REG_SZ, (BYTE *) _val, 539 (os_strlen(val) + 1) * sizeof(TCHAR)); 540 if (ret != ERROR_SUCCESS) { 541 wpa_printf(MSG_ERROR, "WINREG: Failed to set %s='%s': " 542 "error %d", name, val, (int) GetLastError()); 543 os_free(_name); 544 os_free(_val); 545 return -1; 546 } 547 548 os_free(_name); 549 os_free(_val); 550 return 0; 551 } 552 553 554 static int wpa_config_write_global(struct wpa_config *config, HKEY hk) 555 { 556 #ifdef CONFIG_CTRL_IFACE 557 wpa_config_write_reg_string(hk, "ctrl_interface", 558 config->ctrl_interface); 559 #endif /* CONFIG_CTRL_IFACE */ 560 561 wpa_config_write_reg_dword(hk, TEXT("eapol_version"), 562 config->eapol_version, 563 DEFAULT_EAPOL_VERSION); 564 wpa_config_write_reg_dword(hk, TEXT("ap_scan"), config->ap_scan, 565 DEFAULT_AP_SCAN); 566 wpa_config_write_reg_dword(hk, TEXT("fast_reauth"), 567 config->fast_reauth, DEFAULT_FAST_REAUTH); 568 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigPMKLifetime"), 569 config->dot11RSNAConfigPMKLifetime, 0); 570 wpa_config_write_reg_dword(hk, 571 TEXT("dot11RSNAConfigPMKReauthThreshold"), 572 config->dot11RSNAConfigPMKReauthThreshold, 573 0); 574 wpa_config_write_reg_dword(hk, TEXT("dot11RSNAConfigSATimeout"), 575 config->dot11RSNAConfigSATimeout, 0); 576 wpa_config_write_reg_dword(hk, TEXT("update_config"), 577 config->update_config, 578 0); 579 #ifdef CONFIG_WPS 580 if (!is_nil_uuid(config->uuid)) { 581 char buf[40]; 582 uuid_bin2str(config->uuid, buf, sizeof(buf)); 583 wpa_config_write_reg_string(hk, "uuid", buf); 584 } 585 wpa_config_write_reg_dword(hk, TEXT("auto_uuid"), config->auto_uuid, 586 0); 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 wpa_config_write_reg_dword(hk, TEXT("wps_cred_add_sae"), 610 config->wps_cred_add_sae, 0); 611 #endif /* CONFIG_WPS */ 612 #ifdef CONFIG_P2P 613 wpa_config_write_reg_string(hk, "p2p_ssid_postfix", 614 config->p2p_ssid_postfix); 615 wpa_config_write_reg_dword(hk, TEXT("p2p_group_idle"), 616 config->p2p_group_idle, 0); 617 #endif /* CONFIG_P2P */ 618 619 wpa_config_write_reg_dword(hk, TEXT("bss_max_count"), 620 config->bss_max_count, 621 DEFAULT_BSS_MAX_COUNT); 622 wpa_config_write_reg_dword(hk, TEXT("filter_ssids"), 623 config->filter_ssids, 0); 624 wpa_config_write_reg_dword(hk, TEXT("max_num_sta"), 625 config->max_num_sta, DEFAULT_MAX_NUM_STA); 626 wpa_config_write_reg_dword(hk, TEXT("ap_isolate"), 627 config->ap_isolate, DEFAULT_AP_ISOLATE); 628 wpa_config_write_reg_dword(hk, TEXT("disassoc_low_ack"), 629 config->disassoc_low_ack, 0); 630 631 wpa_config_write_reg_dword(hk, TEXT("okc"), config->okc, 0); 632 wpa_config_write_reg_dword(hk, TEXT("pmf"), config->pmf, 0); 633 634 wpa_config_write_reg_dword(hk, TEXT("external_sim"), 635 config->external_sim, 0); 636 637 return 0; 638 } 639 640 641 static int wpa_config_delete_subkeys(HKEY hk, const TCHAR *key) 642 { 643 HKEY nhk; 644 int i, errors = 0; 645 LONG ret; 646 647 ret = RegOpenKeyEx(hk, key, 0, KEY_ENUMERATE_SUB_KEYS | DELETE, &nhk); 648 if (ret != ERROR_SUCCESS) { 649 wpa_printf(MSG_DEBUG, "WINREG: Could not open key '" TSTR 650 "' for subkey deletion: error 0x%x (%d)", key, 651 (unsigned int) ret, (int) GetLastError()); 652 return 0; 653 } 654 655 for (i = 0; ; i++) { 656 TCHAR name[255]; 657 DWORD namelen; 658 659 namelen = 255; 660 ret = RegEnumKeyEx(nhk, i, name, &namelen, NULL, NULL, NULL, 661 NULL); 662 663 if (ret == ERROR_NO_MORE_ITEMS) 664 break; 665 666 if (ret != ERROR_SUCCESS) { 667 wpa_printf(MSG_DEBUG, "RegEnumKeyEx failed: 0x%x (%d)", 668 (unsigned int) ret, (int) GetLastError()); 669 break; 670 } 671 672 if (namelen >= 255) 673 namelen = 255 - 1; 674 name[namelen] = TEXT('\0'); 675 676 ret = RegDeleteKey(nhk, name); 677 if (ret != ERROR_SUCCESS) { 678 wpa_printf(MSG_DEBUG, "RegDeleteKey failed: 0x%x (%d)", 679 (unsigned int) ret, (int) GetLastError()); 680 errors++; 681 } 682 } 683 684 RegCloseKey(nhk); 685 686 return errors ? -1 : 0; 687 } 688 689 690 static void write_str(HKEY hk, const char *field, struct wpa_ssid *ssid) 691 { 692 char *value = wpa_config_get(ssid, field); 693 if (value == NULL) 694 return; 695 wpa_config_write_reg_string(hk, field, value); 696 os_free(value); 697 } 698 699 700 static void write_int(HKEY hk, const char *field, int value, int def) 701 { 702 char val[20]; 703 if (value == def) 704 return; 705 os_snprintf(val, sizeof(val), "%d", value); 706 wpa_config_write_reg_string(hk, field, val); 707 } 708 709 710 static void write_bssid(HKEY hk, struct wpa_ssid *ssid) 711 { 712 char *value = wpa_config_get(ssid, "bssid"); 713 if (value == NULL) 714 return; 715 wpa_config_write_reg_string(hk, "bssid", value); 716 os_free(value); 717 } 718 719 720 static void write_psk(HKEY hk, struct wpa_ssid *ssid) 721 { 722 char *value = wpa_config_get(ssid, "psk"); 723 if (value == NULL) 724 return; 725 wpa_config_write_reg_string(hk, "psk", value); 726 os_free(value); 727 } 728 729 730 static void write_proto(HKEY hk, struct wpa_ssid *ssid) 731 { 732 char *value; 733 734 if (ssid->proto == DEFAULT_PROTO) 735 return; 736 737 value = wpa_config_get(ssid, "proto"); 738 if (value == NULL) 739 return; 740 if (value[0]) 741 wpa_config_write_reg_string(hk, "proto", value); 742 os_free(value); 743 } 744 745 746 static void write_key_mgmt(HKEY hk, struct wpa_ssid *ssid) 747 { 748 char *value; 749 750 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 751 return; 752 753 value = wpa_config_get(ssid, "key_mgmt"); 754 if (value == NULL) 755 return; 756 if (value[0]) 757 wpa_config_write_reg_string(hk, "key_mgmt", value); 758 os_free(value); 759 } 760 761 762 static void write_pairwise(HKEY hk, struct wpa_ssid *ssid) 763 { 764 char *value; 765 766 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 767 return; 768 769 value = wpa_config_get(ssid, "pairwise"); 770 if (value == NULL) 771 return; 772 if (value[0]) 773 wpa_config_write_reg_string(hk, "pairwise", value); 774 os_free(value); 775 } 776 777 778 static void write_group(HKEY hk, struct wpa_ssid *ssid) 779 { 780 char *value; 781 782 if (ssid->group_cipher == DEFAULT_GROUP) 783 return; 784 785 value = wpa_config_get(ssid, "group"); 786 if (value == NULL) 787 return; 788 if (value[0]) 789 wpa_config_write_reg_string(hk, "group", value); 790 os_free(value); 791 } 792 793 794 static void write_auth_alg(HKEY hk, struct wpa_ssid *ssid) 795 { 796 char *value; 797 798 if (ssid->auth_alg == 0) 799 return; 800 801 value = wpa_config_get(ssid, "auth_alg"); 802 if (value == NULL) 803 return; 804 if (value[0]) 805 wpa_config_write_reg_string(hk, "auth_alg", value); 806 os_free(value); 807 } 808 809 810 #ifdef IEEE8021X_EAPOL 811 static void write_eap(HKEY hk, struct wpa_ssid *ssid) 812 { 813 char *value; 814 815 value = wpa_config_get(ssid, "eap"); 816 if (value == NULL) 817 return; 818 819 if (value[0]) 820 wpa_config_write_reg_string(hk, "eap", value); 821 os_free(value); 822 } 823 #endif /* IEEE8021X_EAPOL */ 824 825 826 static void write_wep_key(HKEY hk, int idx, struct wpa_ssid *ssid) 827 { 828 char field[20], *value; 829 830 os_snprintf(field, sizeof(field), "wep_key%d", idx); 831 value = wpa_config_get(ssid, field); 832 if (value) { 833 wpa_config_write_reg_string(hk, field, value); 834 os_free(value); 835 } 836 } 837 838 839 static int wpa_config_write_network(HKEY hk, struct wpa_ssid *ssid, int id) 840 { 841 int i, errors = 0; 842 HKEY nhk, netw; 843 LONG ret; 844 TCHAR name[5]; 845 846 ret = RegOpenKeyEx(hk, TEXT("networks"), 0, KEY_CREATE_SUB_KEY, &nhk); 847 if (ret != ERROR_SUCCESS) { 848 wpa_printf(MSG_DEBUG, "WINREG: Could not open networks key " 849 "for subkey addition: error 0x%x (%d)", 850 (unsigned int) ret, (int) GetLastError()); 851 return 0; 852 } 853 854 #ifdef UNICODE 855 wsprintf(name, L"%04d", id); 856 #else /* UNICODE */ 857 os_snprintf(name, sizeof(name), "%04d", id); 858 #endif /* UNICODE */ 859 ret = RegCreateKeyEx(nhk, name, 0, NULL, 0, KEY_WRITE, NULL, &netw, 860 NULL); 861 RegCloseKey(nhk); 862 if (ret != ERROR_SUCCESS) { 863 wpa_printf(MSG_DEBUG, "WINREG: Could not add network key '%s':" 864 " error 0x%x (%d)", 865 name, (unsigned int) ret, (int) GetLastError()); 866 return -1; 867 } 868 869 #define STR(t) write_str(netw, #t, ssid) 870 #define INT(t) write_int(netw, #t, ssid->t, 0) 871 #define INTe(t) write_int(netw, #t, ssid->eap.t, 0) 872 #define INT_DEF(t, def) write_int(netw, #t, ssid->t, def) 873 #define INT_DEFe(t, def) write_int(netw, #t, ssid->eap.t, def) 874 875 STR(ssid); 876 INT(scan_ssid); 877 write_bssid(netw, ssid); 878 write_psk(netw, ssid); 879 STR(sae_password); 880 STR(sae_password_id); 881 write_proto(netw, ssid); 882 write_key_mgmt(netw, ssid); 883 write_pairwise(netw, ssid); 884 write_group(netw, ssid); 885 write_auth_alg(netw, ssid); 886 #ifdef IEEE8021X_EAPOL 887 write_eap(netw, ssid); 888 STR(identity); 889 STR(anonymous_identity); 890 STR(imsi_identity); 891 STR(password); 892 STR(ca_cert); 893 STR(ca_path); 894 STR(client_cert); 895 STR(private_key); 896 STR(private_key_passwd); 897 STR(dh_file); 898 STR(subject_match); 899 STR(check_cert_subject); 900 STR(altsubject_match); 901 STR(ca_cert2); 902 STR(ca_path2); 903 STR(client_cert2); 904 STR(private_key2); 905 STR(private_key2_passwd); 906 STR(dh_file2); 907 STR(subject_match2); 908 STR(check_cert_subject2); 909 STR(altsubject_match2); 910 STR(phase1); 911 STR(phase2); 912 STR(pcsc); 913 STR(pin); 914 STR(engine_id); 915 STR(key_id); 916 STR(cert_id); 917 STR(ca_cert_id); 918 STR(key2_id); 919 STR(pin2); 920 STR(engine2_id); 921 STR(cert2_id); 922 STR(ca_cert2_id); 923 INTe(engine); 924 INTe(engine2); 925 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 926 #endif /* IEEE8021X_EAPOL */ 927 for (i = 0; i < 4; i++) 928 write_wep_key(netw, i, ssid); 929 INT(wep_tx_keyidx); 930 INT(priority); 931 #ifdef IEEE8021X_EAPOL 932 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 933 STR(pac_file); 934 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 935 #endif /* IEEE8021X_EAPOL */ 936 INT(mode); 937 write_int(netw, "proactive_key_caching", ssid->proactive_key_caching, 938 -1); 939 INT(disabled); 940 #ifdef CONFIG_IEEE80211W 941 write_int(netw, "ieee80211w", ssid->ieee80211w, 942 MGMT_FRAME_PROTECTION_DEFAULT); 943 #endif /* CONFIG_IEEE80211W */ 944 STR(id_str); 945 #ifdef CONFIG_HS20 946 INT(update_identifier); 947 #endif /* CONFIG_HS20 */ 948 INT(group_rekey); 949 INT(ft_eap_pmksa_caching); 950 951 #undef STR 952 #undef INT 953 #undef INT_DEF 954 955 RegCloseKey(netw); 956 957 return errors ? -1 : 0; 958 } 959 960 961 static int wpa_config_write_blob(HKEY hk, struct wpa_config_blob *blob) 962 { 963 HKEY bhk; 964 LONG ret; 965 TCHAR *name; 966 967 ret = RegCreateKeyEx(hk, TEXT("blobs"), 0, NULL, 0, KEY_WRITE, NULL, 968 &bhk, NULL); 969 if (ret != ERROR_SUCCESS) { 970 wpa_printf(MSG_DEBUG, "WINREG: Could not add blobs key: " 971 "error 0x%x (%d)", 972 (unsigned int) ret, (int) GetLastError()); 973 return -1; 974 } 975 976 name = wpa_strdup_tchar(blob->name); 977 ret = RegSetValueEx(bhk, name, 0, REG_BINARY, blob->data, 978 blob->len); 979 if (ret != ERROR_SUCCESS) { 980 wpa_printf(MSG_ERROR, "WINREG: Failed to set blob %s': " 981 "error 0x%x (%d)", blob->name, (unsigned int) ret, 982 (int) GetLastError()); 983 RegCloseKey(bhk); 984 os_free(name); 985 return -1; 986 } 987 os_free(name); 988 989 RegCloseKey(bhk); 990 991 return 0; 992 } 993 994 995 int wpa_config_write(const char *name, struct wpa_config *config) 996 { 997 TCHAR buf[256]; 998 HKEY hk; 999 LONG ret; 1000 int errors = 0; 1001 struct wpa_ssid *ssid; 1002 struct wpa_config_blob *blob; 1003 int id; 1004 1005 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 1006 1007 #ifdef UNICODE 1008 _snwprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%S"), name); 1009 #else /* UNICODE */ 1010 os_snprintf(buf, 256, WPA_KEY_PREFIX TEXT("\\configs\\%s"), name); 1011 #endif /* UNICODE */ 1012 1013 ret = RegOpenKeyEx(WPA_KEY_ROOT, buf, 0, KEY_SET_VALUE | DELETE, &hk); 1014 if (ret != ERROR_SUCCESS) { 1015 wpa_printf(MSG_ERROR, "Could not open wpa_supplicant " 1016 "configuration registry %s: error %d", buf, 1017 (int) GetLastError()); 1018 return -1; 1019 } 1020 1021 if (wpa_config_write_global(config, hk)) { 1022 wpa_printf(MSG_ERROR, "Failed to write global configuration " 1023 "data"); 1024 errors++; 1025 } 1026 1027 wpa_config_delete_subkeys(hk, TEXT("networks")); 1028 for (ssid = config->ssid, id = 0; ssid; ssid = ssid->next, id++) { 1029 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) 1030 continue; /* do not save temporary WPS networks */ 1031 if (wpa_config_write_network(hk, ssid, id)) 1032 errors++; 1033 } 1034 1035 RegDeleteKey(hk, TEXT("blobs")); 1036 for (blob = config->blobs; blob; blob = blob->next) { 1037 if (wpa_config_write_blob(hk, blob)) 1038 errors++; 1039 } 1040 1041 RegCloseKey(hk); 1042 1043 wpa_printf(MSG_DEBUG, "Configuration '%s' written %ssuccessfully", 1044 name, errors ? "un" : ""); 1045 return errors ? -1 : 0; 1046 } 1047