/* * Registry management * * Copyright (C) 1999 Alexandre Julliard * * Based on misc/registry.c code * Copyright (C) 1996 Marcus Meissner * Copyright (C) 1998 Matthew Becker * Copyright (C) 1999 Sylvain St-Germain * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include #include #include #include "ntstatus.h" #define WIN32_NO_STATUS #include "windef.h" #include "winbase.h" #include "winreg.h" #include "winerror.h" #include "winternl.h" #include "winuser.h" #include "sddl.h" #include "advapi32_misc.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(reg); #define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT #define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA static const WCHAR name_CLASSES_ROOT[] = {'\\','R','e','g','i','s','t','r','y','\\', 'M','a','c','h','i','n','e','\\', 'S','o','f','t','w','a','r','e','\\', 'C','l','a','s','s','e','s',0}; static const WCHAR name_LOCAL_MACHINE[] = {'\\','R','e','g','i','s','t','r','y','\\', 'M','a','c','h','i','n','e',0}; static const WCHAR name_USERS[] = {'\\','R','e','g','i','s','t','r','y','\\', 'U','s','e','r',0}; static const WCHAR name_PERFORMANCE_DATA[] = {'\\','R','e','g','i','s','t','r','y','\\', 'P','e','r','f','D','a','t','a',0}; static const WCHAR name_CURRENT_CONFIG[] = {'\\','R','e','g','i','s','t','r','y','\\', 'M','a','c','h','i','n','e','\\', 'S','y','s','t','e','m','\\', 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\', 'H','a','r','d','w','a','r','e',' ','P','r','o','f','i','l','e','s','\\', 'C','u','r','r','e','n','t',0}; static const WCHAR name_DYN_DATA[] = {'\\','R','e','g','i','s','t','r','y','\\', 'D','y','n','D','a','t','a',0}; static const WCHAR * const root_key_names[] = { name_CLASSES_ROOT, NULL, /* HKEY_CURRENT_USER is determined dynamically */ name_LOCAL_MACHINE, name_USERS, name_PERFORMANCE_DATA, name_CURRENT_CONFIG, name_DYN_DATA }; #define NB_SPECIAL_ROOT_KEYS (sizeof(root_key_names)/sizeof(root_key_names[0])) static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS]; static BOOL hkcu_cache_disabled; static const BOOL is_win64 = (sizeof(void *) > sizeof(int)); /* check if value type needs string conversion (Ansi<->Unicode) */ static inline BOOL is_string( DWORD type ) { return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ); } /* check if current version is NT or Win95 */ static inline BOOL is_version_nt(void) { return !(GetVersion() & 0x80000000); } static BOOL is_wow6432node( const UNICODE_STRING *name ) { static const WCHAR wow6432nodeW[] = {'W','o','w','6','4','3','2','N','o','d','e'}; return (name->Length == sizeof(wow6432nodeW) && !memicmpW( name->Buffer, wow6432nodeW, sizeof(wow6432nodeW)/sizeof(WCHAR) )); } /* open the Wow6432Node subkey of the specified key */ static HANDLE open_wow6432node( HANDLE key ) { static const WCHAR wow6432nodeW[] = {'W','o','w','6','4','3','2','N','o','d','e',0}; OBJECT_ATTRIBUTES attr; UNICODE_STRING nameW; HANDLE ret; attr.Length = sizeof(attr); attr.RootDirectory = key; attr.ObjectName = &nameW; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; RtlInitUnicodeString( &nameW, wow6432nodeW ); if (NtOpenKey( &ret, MAXIMUM_ALLOWED, &attr )) ret = 0; return ret; } /* wrapper for NtCreateKey that creates the key recursively if necessary */ static NTSTATUS create_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr, const UNICODE_STRING *class, ULONG options, PULONG dispos ) { BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY); NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND; HANDLE subkey, root = attr->RootDirectory; if (!force_wow32) status = NtCreateKey( &subkey, access, attr, 0, class, options, dispos ); if (status == STATUS_OBJECT_NAME_NOT_FOUND) { static const WCHAR registry_root[] = {'\\','R','e','g','i','s','t','r','y','\\'}; WCHAR *buffer = attr->ObjectName->Buffer; DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR); UNICODE_STRING str; /* don't try to create registry root */ if (!attr->RootDirectory && len > sizeof(registry_root)/sizeof(WCHAR) && !memicmpW( buffer, registry_root, sizeof(registry_root)/sizeof(WCHAR))) i += sizeof(registry_root)/sizeof(WCHAR); while (i < len && buffer[i] != '\\') i++; if (i == len && !force_wow32) return status; attrs = attr->Attributes; attr->ObjectName = &str; for (;;) { str.Buffer = buffer + pos; str.Length = (i - pos) * sizeof(WCHAR); if (force_wow32 && pos) { if (is_wow6432node( &str )) force_wow32 = FALSE; else if ((subkey = open_wow6432node( attr->RootDirectory ))) { if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); attr->RootDirectory = subkey; force_wow32 = FALSE; } } if (i == len) { attr->Attributes = attrs; status = NtCreateKey( &subkey, access, attr, 0, class, options, dispos ); } else { attr->Attributes = attrs & ~OBJ_OPENLINK; status = NtCreateKey( &subkey, access, attr, 0, class, options & ~REG_OPTION_CREATE_LINK, dispos ); } if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); if (status) return status; if (i == len) break; attr->RootDirectory = subkey; while (i < len && buffer[i] == '\\') i++; pos = i; while (i < len && buffer[i] != '\\') i++; } } attr->RootDirectory = subkey; if (force_wow32 && (subkey = open_wow6432node( attr->RootDirectory ))) { if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); attr->RootDirectory = subkey; } *retkey = attr->RootDirectory; return status; } /* wrapper for NtOpenKey to handle Wow6432 nodes */ static NTSTATUS open_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr ) { NTSTATUS status; BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY); HANDLE subkey, root = attr->RootDirectory; WCHAR *buffer = attr->ObjectName->Buffer; DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR); UNICODE_STRING str; if (!force_wow32) return NtOpenKey( (HANDLE *)retkey, access, attr ); if (len && buffer[0] == '\\') return STATUS_OBJECT_PATH_INVALID; while (i < len && buffer[i] != '\\') i++; attrs = attr->Attributes; attr->ObjectName = &str; for (;;) { str.Buffer = buffer + pos; str.Length = (i - pos) * sizeof(WCHAR); if (force_wow32 && pos) { if (is_wow6432node( &str )) force_wow32 = FALSE; else if ((subkey = open_wow6432node( attr->RootDirectory ))) { if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); attr->RootDirectory = subkey; force_wow32 = FALSE; } } if (i == len) { attr->Attributes = attrs; status = NtOpenKey( &subkey, access, attr ); } else { attr->Attributes = attrs & ~OBJ_OPENLINK; status = NtOpenKey( &subkey, access, attr ); } if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); if (status) return status; attr->RootDirectory = subkey; if (i == len) break; while (i < len && buffer[i] == '\\') i++; pos = i; while (i < len && buffer[i] != '\\') i++; } if (force_wow32 && (subkey = open_wow6432node( attr->RootDirectory ))) { if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); attr->RootDirectory = subkey; } *retkey = attr->RootDirectory; return status; } /* create one of the HKEY_* special root keys */ static HKEY create_special_root_hkey( HKEY hkey, DWORD access ) { HKEY ret = 0; int idx = HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST); if (HandleToUlong(hkey) == HandleToUlong(HKEY_CURRENT_USER)) { if (RtlOpenCurrentUser( access, (HANDLE *)&hkey )) return 0; TRACE( "HKEY_CURRENT_USER -> %p\n", hkey ); /* don't cache the key in the table if caching is disabled */ if (hkcu_cache_disabled) return hkey; } else { OBJECT_ATTRIBUTES attr; UNICODE_STRING name; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = &name; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; RtlInitUnicodeString( &name, root_key_names[idx] ); if (create_key( &hkey, access, &attr, NULL, 0, NULL )) return 0; TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey ); } if (!(access & (KEY_WOW64_64KEY | KEY_WOW64_32KEY))) { if (!(ret = InterlockedCompareExchangePointer( (void **)&special_root_keys[idx], hkey, 0 ))) ret = hkey; else NtClose( hkey ); /* somebody beat us to it */ } else ret = hkey; return ret; } /* map the hkey from special root to normal key if necessary */ static inline HKEY get_special_root_hkey( HKEY hkey, REGSAM access ) { HKEY ret = hkey; if ((HandleToUlong(hkey) >= HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) && (HandleToUlong(hkey) <= HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) { REGSAM mask = 0; if (HandleToUlong(hkey) == HandleToUlong(HKEY_CLASSES_ROOT)) mask = KEY_WOW64_32KEY | KEY_WOW64_64KEY; if ((access & mask) || !(ret = special_root_keys[HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)])) ret = create_special_root_hkey( hkey, MAXIMUM_ALLOWED | (access & mask) ); } return ret; } /****************************************************************************** * RegOverridePredefKey [ADVAPI32.@] */ LSTATUS WINAPI RegOverridePredefKey( HKEY hkey, HKEY override ) { HKEY old_key; int idx; TRACE("(%p %p)\n", hkey, override); if ((HandleToUlong(hkey) < HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) || (HandleToUlong(hkey) > HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) return ERROR_INVALID_PARAMETER; idx = HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST); if (override) { NTSTATUS status = NtDuplicateObject( GetCurrentProcess(), override, GetCurrentProcess(), (HANDLE *)&override, 0, 0, DUPLICATE_SAME_ACCESS ); if (status) return RtlNtStatusToDosError( status ); } old_key = InterlockedExchangePointer( (void **)&special_root_keys[idx], override ); if (old_key) NtClose( old_key ); return ERROR_SUCCESS; } /****************************************************************************** * RegCreateKeyExW [ADVAPI32.@] * * See RegCreateKeyExA. */ LSTATUS WINAPI RegCreateKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, LPWSTR class, DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, PHKEY retkey, LPDWORD dispos ) { OBJECT_ATTRIBUTES attr; UNICODE_STRING nameW, classW; if (reserved) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; attr.Length = sizeof(attr); attr.RootDirectory = hkey; attr.ObjectName = &nameW; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; RtlInitUnicodeString( &nameW, name ); RtlInitUnicodeString( &classW, class ); return RtlNtStatusToDosError( create_key( retkey, access, &attr, &classW, options, dispos ) ); } /****************************************************************************** * RegCreateKeyExA [ADVAPI32.@] * * Open a registry key, creating it if it doesn't exist. * * PARAMS * hkey [I] Handle of the parent registry key * name [I] Name of the new key to open or create * reserved [I] Reserved, pass 0 * class [I] The object type of the new key * options [I] Flags controlling the key creation (REG_OPTION_* flags from "winnt.h") * access [I] Access level desired * sa [I] Security attributes for the key * retkey [O] Destination for the resulting handle * dispos [O] Receives REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY * * RETURNS * Success: ERROR_SUCCESS. * Failure: A standard Win32 error code. retkey remains untouched. * * FIXME * MAXIMUM_ALLOWED in access mask not supported by server */ LSTATUS WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class, DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, PHKEY retkey, LPDWORD dispos ) { OBJECT_ATTRIBUTES attr; UNICODE_STRING classW; ANSI_STRING nameA, classA; NTSTATUS status; if (reserved) return ERROR_INVALID_PARAMETER; if (!is_version_nt()) { access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */ if (name && *name == '\\') name++; /* win9x,ME ignores one (and only one) beginning backslash */ } if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; attr.Length = sizeof(attr); attr.RootDirectory = hkey; attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; RtlInitAnsiString( &nameA, name ); RtlInitAnsiString( &classA, class ); if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE ))) { if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE ))) { status = create_key( retkey, access, &attr, &classW, options, dispos ); RtlFreeUnicodeString( &classW ); } } return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegCreateKeyW [ADVAPI32.@] * * Creates the specified reg key. * * PARAMS * hKey [I] Handle to an open key. * lpSubKey [I] Name of a key that will be opened or created. * phkResult [O] Receives a handle to the opened or created key. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code defined in Winerror.h */ LSTATUS WINAPI RegCreateKeyW( HKEY hkey, LPCWSTR lpSubKey, PHKEY phkResult ) { /* FIXME: previous implementation converted ERROR_INVALID_HANDLE to ERROR_BADKEY, */ /* but at least my version of NT (4.0 SP5) doesn't do this. -- AJ */ return RegCreateKeyExW( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE, MAXIMUM_ALLOWED, NULL, phkResult, NULL ); } /****************************************************************************** * RegCreateKeyA [ADVAPI32.@] * * See RegCreateKeyW. */ LSTATUS WINAPI RegCreateKeyA( HKEY hkey, LPCSTR lpSubKey, PHKEY phkResult ) { return RegCreateKeyExA( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE, MAXIMUM_ALLOWED, NULL, phkResult, NULL ); } /****************************************************************************** * RegCreateKeyTransactedW [ADVAPI32.@] */ LSTATUS WINAPI RegCreateKeyTransactedW( HKEY hkey, LPCWSTR name, DWORD reserved, LPWSTR class, DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, PHKEY retkey, LPDWORD dispos, HANDLE transaction, PVOID reserved2 ) { FIXME( "(%p,%s,%u,%s,%u,%u,%p,%p,%p,%p,%p): stub\n", hkey, debugstr_w(name), reserved, debugstr_w(class), options, access, sa, retkey, dispos, transaction, reserved2 ); return ERROR_CALL_NOT_IMPLEMENTED; } /****************************************************************************** * RegCreateKeyTransactedA [ADVAPI32.@] */ LSTATUS WINAPI RegCreateKeyTransactedA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class, DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, PHKEY retkey, LPDWORD dispos, HANDLE transaction, PVOID reserved2 ) { FIXME( "(%p,%s,%u,%s,%u,%u,%p,%p,%p,%p,%p): stub\n", hkey, debugstr_a(name), reserved, debugstr_a(class), options, access, sa, retkey, dispos, transaction, reserved2 ); return ERROR_CALL_NOT_IMPLEMENTED; } /****************************************************************************** * RegOpenKeyExW [ADVAPI32.@] * * See RegOpenKeyExA. */ LSTATUS WINAPI RegOpenKeyExW( HKEY hkey, LPCWSTR name, DWORD options, REGSAM access, PHKEY retkey ) { OBJECT_ATTRIBUTES attr; UNICODE_STRING nameW; if (retkey && (!name || !name[0]) && (HandleToUlong(hkey) >= HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) && (HandleToUlong(hkey) <= HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) { *retkey = hkey; return ERROR_SUCCESS; } /* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */ if (HandleToUlong(hkey) == HandleToUlong(HKEY_CLASSES_ROOT) && name && *name == '\\') name++; if (!retkey) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; attr.Length = sizeof(attr); attr.RootDirectory = hkey; attr.ObjectName = &nameW; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; RtlInitUnicodeString( &nameW, name ); return RtlNtStatusToDosError( open_key( retkey, access, &attr ) ); } /****************************************************************************** * RegOpenKeyExA [ADVAPI32.@] * * Open a registry key. * * PARAMS * hkey [I] Handle of open key * name [I] Name of subkey to open * options [I] Open options (can be set to REG_OPTION_OPEN_LINK) * access [I] Security access mask * retkey [O] Handle to open key * * RETURNS * Success: ERROR_SUCCESS * Failure: A standard Win32 error code. retkey is set to 0. * * NOTES * Unlike RegCreateKeyExA(), this function will not create the key if it * does not exist. */ LSTATUS WINAPI DECLSPEC_HOTPATCH RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD options, REGSAM access, PHKEY retkey ) { OBJECT_ATTRIBUTES attr; STRING nameA; NTSTATUS status; if (retkey && (!name || !name[0]) && (HandleToUlong(hkey) >= HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) && (HandleToUlong(hkey) <= HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) { *retkey = hkey; return ERROR_SUCCESS; } if (!is_version_nt()) access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */ else { /* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */ if (HandleToUlong(hkey) == HandleToUlong(HKEY_CLASSES_ROOT) && name && *name == '\\') name++; } if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; attr.Length = sizeof(attr); attr.RootDirectory = hkey; attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString; attr.Attributes = 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; RtlInitAnsiString( &nameA, name ); if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE ))) { status = open_key( retkey, access, &attr ); } return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegOpenKeyW [ADVAPI32.@] * * See RegOpenKeyA. */ LSTATUS WINAPI RegOpenKeyW( HKEY hkey, LPCWSTR name, PHKEY retkey ) { if (!retkey) return ERROR_INVALID_PARAMETER; if (!name || !*name) { *retkey = hkey; return ERROR_SUCCESS; } return RegOpenKeyExW( hkey, name, 0, MAXIMUM_ALLOWED, retkey ); } /****************************************************************************** * RegOpenKeyA [ADVAPI32.@] * * Open a registry key. * * PARAMS * hkey [I] Handle of parent key to open the new key under * name [I] Name of the key under hkey to open * retkey [O] Destination for the resulting Handle * * RETURNS * Success: ERROR_SUCCESS * Failure: A standard Win32 error code. When retkey is valid, *retkey is set to 0. */ LSTATUS WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, PHKEY retkey ) { if (!retkey) return ERROR_INVALID_PARAMETER; if (!name || !*name) { *retkey = hkey; return ERROR_SUCCESS; } return RegOpenKeyExA( hkey, name, 0, MAXIMUM_ALLOWED, retkey ); } static WCHAR *get_thread_token_user_sid(HANDLE token) { WCHAR *sidstring = NULL; TOKEN_USER *info; DWORD len = 0; GetTokenInformation(token, TokenUser, NULL, 0, &len); info = heap_alloc(len); if (GetTokenInformation(token, TokenUser, info, len, &len)) ConvertSidToStringSidW(info->User.Sid, &sidstring); heap_free(info); return sidstring; } /****************************************************************************** * RegOpenCurrentUser [ADVAPI32.@] * * Get a handle to the HKEY_CURRENT_USER key for the user * the current thread is impersonating. * * PARAMS * access [I] Desired access rights to the key * retkey [O] Handle to the opened key * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h * * FIXME * This function is supposed to retrieve a handle to the * HKEY_CURRENT_USER for the user the current thread is impersonating. * Since Wine does not currently allow threads to impersonate other users, * this stub should work fine. */ LSTATUS WINAPI RegOpenCurrentUser( REGSAM access, PHKEY retkey ) { WCHAR *sidstring = NULL; HANDLE threadtoken; LSTATUS ret; /* get current user SID */ if (OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &threadtoken)) { sidstring = get_thread_token_user_sid(threadtoken); CloseHandle(threadtoken); } if (!sidstring) { ImpersonateSelf(SecurityIdentification); if (OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &threadtoken)) { sidstring = get_thread_token_user_sid(threadtoken); CloseHandle(threadtoken); } RevertToSelf(); } if (sidstring) { ret = RegOpenKeyExW( HKEY_USERS, sidstring, 0, access, retkey ); LocalFree(sidstring); } else ret = RegOpenKeyExA( HKEY_CURRENT_USER, "", 0, access, retkey ); return ret; } /****************************************************************************** * RegEnumKeyExW [ADVAPI32.@] * * Enumerate subkeys of the specified open registry key. * * PARAMS * hkey [I] Handle to key to enumerate * index [I] Index of subkey to enumerate * name [O] Buffer for subkey name * name_len [O] Size of subkey buffer * reserved [I] Reserved * class [O] Buffer for class string * class_len [O] Size of class buffer * ft [O] Time key last written to * * RETURNS * Success: ERROR_SUCCESS * Failure: System error code. If there are no more subkeys available, the * function returns ERROR_NO_MORE_ITEMS. */ LSTATUS WINAPI RegEnumKeyExW( HKEY hkey, DWORD index, LPWSTR name, LPDWORD name_len, LPDWORD reserved, LPWSTR class, LPDWORD class_len, FILETIME *ft ) { NTSTATUS status; char buffer[256], *buf_ptr = buffer; KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer; DWORD total_size; TRACE( "(%p,%d,%p,%p(%u),%p,%p,%p,%p)\n", hkey, index, name, name_len, name_len ? *name_len : 0, reserved, class, class_len, ft ); if (reserved) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; status = NtEnumerateKey( hkey, index, KeyNodeInformation, buffer, sizeof(buffer), &total_size ); while (status == STATUS_BUFFER_OVERFLOW) { /* retry with a dynamically allocated buffer */ if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_NODE_INFORMATION *)buf_ptr; status = NtEnumerateKey( hkey, index, KeyNodeInformation, buf_ptr, total_size, &total_size ); } if (!status) { DWORD len = info->NameLength / sizeof(WCHAR); DWORD cls_len = info->ClassLength / sizeof(WCHAR); if (ft) *ft = *(FILETIME *)&info->LastWriteTime; if (len >= *name_len || (class && class_len && (cls_len >= *class_len))) status = STATUS_BUFFER_OVERFLOW; else { *name_len = len; memcpy( name, info->Name, info->NameLength ); name[len] = 0; if (class_len) { *class_len = cls_len; if (class) { memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength ); class[cls_len] = 0; } } } } if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegEnumKeyExA [ADVAPI32.@] * * See RegEnumKeyExW. */ LSTATUS WINAPI RegEnumKeyExA( HKEY hkey, DWORD index, LPSTR name, LPDWORD name_len, LPDWORD reserved, LPSTR class, LPDWORD class_len, FILETIME *ft ) { NTSTATUS status; char buffer[256], *buf_ptr = buffer; KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer; DWORD total_size; TRACE( "(%p,%d,%p,%p(%u),%p,%p,%p,%p)\n", hkey, index, name, name_len, name_len ? *name_len : 0, reserved, class, class_len, ft ); if (reserved) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; status = NtEnumerateKey( hkey, index, KeyNodeInformation, buffer, sizeof(buffer), &total_size ); while (status == STATUS_BUFFER_OVERFLOW) { /* retry with a dynamically allocated buffer */ if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_NODE_INFORMATION *)buf_ptr; status = NtEnumerateKey( hkey, index, KeyNodeInformation, buf_ptr, total_size, &total_size ); } if (!status) { DWORD len, cls_len; RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength ); RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength ); if (ft) *ft = *(FILETIME *)&info->LastWriteTime; if (len >= *name_len || (class && class_len && (cls_len >= *class_len))) status = STATUS_BUFFER_OVERFLOW; else { *name_len = len; RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength ); name[len] = 0; if (class_len) { *class_len = cls_len; if (class) { RtlUnicodeToMultiByteN( class, cls_len, NULL, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength ); class[cls_len] = 0; } } } } if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegEnumKeyW [ADVAPI32.@] * * Enumerates subkeys of the specified open reg key. * * PARAMS * hKey [I] Handle to an open key. * dwIndex [I] Index of the subkey of hKey to retrieve. * lpName [O] Name of the subkey. * cchName [I] Size of lpName in TCHARS. * * RETURNS * Success: ERROR_SUCCESS * Failure: system error code. If there are no more subkeys available, the * function returns ERROR_NO_MORE_ITEMS. */ LSTATUS WINAPI RegEnumKeyW( HKEY hkey, DWORD index, LPWSTR name, DWORD name_len ) { return RegEnumKeyExW( hkey, index, name, &name_len, NULL, NULL, NULL, NULL ); } /****************************************************************************** * RegEnumKeyA [ADVAPI32.@] * * See RegEnumKeyW. */ LSTATUS WINAPI RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len ) { return RegEnumKeyExA( hkey, index, name, &name_len, NULL, NULL, NULL, NULL ); } /****************************************************************************** * RegQueryInfoKeyW [ADVAPI32.@] * * Retrieves information about the specified registry key. * * PARAMS * hkey [I] Handle to key to query * class [O] Buffer for class string * class_len [O] Size of class string buffer * reserved [I] Reserved * subkeys [O] Buffer for number of subkeys * max_subkey [O] Buffer for longest subkey name length * max_class [O] Buffer for longest class string length * values [O] Buffer for number of value entries * max_value [O] Buffer for longest value name length * max_data [O] Buffer for longest value data length * security [O] Buffer for security descriptor length * modif [O] Modification time * * RETURNS * Success: ERROR_SUCCESS * Failure: system error code. * * NOTES * - win95 allows class to be valid and class_len to be NULL * - winnt returns ERROR_INVALID_PARAMETER if class is valid and class_len is NULL * - both allow class to be NULL and class_len to be NULL * (it's hard to test validity, so test !NULL instead) */ LSTATUS WINAPI RegQueryInfoKeyW( HKEY hkey, LPWSTR class, LPDWORD class_len, LPDWORD reserved, LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class, LPDWORD values, LPDWORD max_value, LPDWORD max_data, LPDWORD security, FILETIME *modif ) { NTSTATUS status; char buffer[256], *buf_ptr = buffer; KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer; DWORD total_size; TRACE( "(%p,%p,%d,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0, reserved, subkeys, max_subkey, values, max_value, max_data, security, modif ); if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size ); if (status && status != STATUS_BUFFER_OVERFLOW) goto done; if (class && class_len && *class_len) { /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_FULL_INFORMATION *)buf_ptr; status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size ); } if (status) goto done; if (class_len && (info->ClassLength/sizeof(WCHAR) + 1 > *class_len)) { status = STATUS_BUFFER_TOO_SMALL; } else { memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength ); class[info->ClassLength/sizeof(WCHAR)] = 0; } } else status = STATUS_SUCCESS; if (class_len) *class_len = info->ClassLength / sizeof(WCHAR); if (subkeys) *subkeys = info->SubKeys; if (max_subkey) *max_subkey = info->MaxNameLen / sizeof(WCHAR); if (max_class) *max_class = info->MaxClassLen / sizeof(WCHAR); if (values) *values = info->Values; if (max_value) *max_value = info->MaxValueNameLen / sizeof(WCHAR); if (max_data) *max_data = info->MaxValueDataLen; if (modif) *modif = *(FILETIME *)&info->LastWriteTime; if (security) { FIXME( "security argument not supported.\n"); *security = 0; } done: if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegQueryMultipleValuesA [ADVAPI32.@] * * Retrieves the type and data for a list of value names associated with a key. * * PARAMS * hKey [I] Handle to an open key. * val_list [O] Array of VALENT structures that describes the entries. * num_vals [I] Number of elements in val_list. * lpValueBuf [O] Pointer to a buffer that receives the data for each value. * ldwTotsize [I/O] Size of lpValueBuf. * * RETURNS * Success: ERROR_SUCCESS. ldwTotsize contains num bytes copied. * Failure: nonzero error code from Winerror.h ldwTotsize contains num needed * bytes. */ LSTATUS WINAPI RegQueryMultipleValuesA( HKEY hkey, PVALENTA val_list, DWORD num_vals, LPSTR lpValueBuf, LPDWORD ldwTotsize ) { unsigned int i; DWORD maxBytes = *ldwTotsize; HRESULT status; LPSTR bufptr = lpValueBuf; *ldwTotsize = 0; TRACE("(%p,%p,%d,%p,%p=%d)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize); for(i=0; i < num_vals; ++i) { val_list[i].ve_valuelen=0; status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen); if(status != ERROR_SUCCESS) { return status; } if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes) { status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type, (LPBYTE)bufptr, &val_list[i].ve_valuelen); if(status != ERROR_SUCCESS) { return status; } val_list[i].ve_valueptr = (DWORD_PTR)bufptr; bufptr += val_list[i].ve_valuelen; } *ldwTotsize += val_list[i].ve_valuelen; } return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA; } /****************************************************************************** * RegQueryMultipleValuesW [ADVAPI32.@] * * See RegQueryMultipleValuesA. */ LSTATUS WINAPI RegQueryMultipleValuesW( HKEY hkey, PVALENTW val_list, DWORD num_vals, LPWSTR lpValueBuf, LPDWORD ldwTotsize ) { unsigned int i; DWORD maxBytes = *ldwTotsize; HRESULT status; LPSTR bufptr = (LPSTR)lpValueBuf; *ldwTotsize = 0; TRACE("(%p,%p,%d,%p,%p=%d)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize); for(i=0; i < num_vals; ++i) { val_list[i].ve_valuelen=0; status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen); if(status != ERROR_SUCCESS) { return status; } if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes) { status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type, (LPBYTE)bufptr, &val_list[i].ve_valuelen); if(status != ERROR_SUCCESS) { return status; } val_list[i].ve_valueptr = (DWORD_PTR)bufptr; bufptr += val_list[i].ve_valuelen; } *ldwTotsize += val_list[i].ve_valuelen; } return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA; } /****************************************************************************** * RegQueryInfoKeyA [ADVAPI32.@] * * Retrieves information about a registry key. * * PARAMS * hKey [I] Handle to an open key. * lpClass [O] Class string of the key. * lpcClass [I/O] size of lpClass. * lpReserved [I] Reserved; must be NULL. * lpcSubKeys [O] Number of subkeys contained by the key. * lpcMaxSubKeyLen [O] Size of the key's subkey with the longest name. * lpcMaxClassLen [O] Size of the longest string specifying a subkey * class in TCHARS. * lpcValues [O] Number of values associated with the key. * lpcMaxValueNameLen [O] Size of the key's longest value name in TCHARS. * lpcMaxValueLen [O] Longest data component among the key's values * lpcbSecurityDescriptor [O] Size of the key's security descriptor. * lpftLastWriteTime [O] FILETIME structure that is the last write time. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegQueryInfoKeyA( HKEY hkey, LPSTR class, LPDWORD class_len, LPDWORD reserved, LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class, LPDWORD values, LPDWORD max_value, LPDWORD max_data, LPDWORD security, FILETIME *modif ) { NTSTATUS status; char buffer[256], *buf_ptr = buffer; KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer; DWORD total_size, len; TRACE( "(%p,%p,%d,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0, reserved, subkeys, max_subkey, values, max_value, max_data, security, modif ); if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size ); if (status && status != STATUS_BUFFER_OVERFLOW) goto done; if (class || class_len) { /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_FULL_INFORMATION *)buf_ptr; status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size ); } if (status) goto done; len = 0; if (class && class_len) len = *class_len; RtlUnicodeToMultiByteN( class, len, class_len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength ); if (len) { class[len - 1] = 0; if (*class_len + 1 > len) { status = STATUS_BUFFER_OVERFLOW; *class_len -= 1; } } } else status = STATUS_SUCCESS; if (subkeys) *subkeys = info->SubKeys; if (max_subkey) *max_subkey = info->MaxNameLen / sizeof(WCHAR); if (max_class) *max_class = info->MaxClassLen / sizeof(WCHAR); if (values) *values = info->Values; if (max_value) *max_value = info->MaxValueNameLen / sizeof(WCHAR); if (max_data) *max_data = info->MaxValueDataLen; if (modif) *modif = *(FILETIME *)&info->LastWriteTime; if (security) { FIXME( "security argument not supported.\n"); *security = 0; } done: if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegCloseKey [ADVAPI32.@] * * Close an open registry key. * * PARAMS * hkey [I] Handle of key to close * * RETURNS * Success: ERROR_SUCCESS * Failure: Error code */ LSTATUS WINAPI DECLSPEC_HOTPATCH RegCloseKey( HKEY hkey ) { if (!hkey) return ERROR_INVALID_HANDLE; if (hkey >= (HKEY)0x80000000) return ERROR_SUCCESS; return RtlNtStatusToDosError( NtClose( hkey ) ); } /****************************************************************************** * RegDeleteKeyExW [ADVAPI32.@] */ LSTATUS WINAPI RegDeleteKeyExW( HKEY hkey, LPCWSTR name, REGSAM access, DWORD reserved ) { DWORD ret; HKEY tmp; if (!name) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; access &= KEY_WOW64_64KEY | KEY_WOW64_32KEY; if (!(ret = RegOpenKeyExW( hkey, name, 0, access | DELETE, &tmp ))) { ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) ); RegCloseKey( tmp ); } TRACE("%s ret=%08x\n", debugstr_w(name), ret); return ret; } /****************************************************************************** * RegDeleteKeyW [ADVAPI32.@] * * See RegDeleteKeyA. */ LSTATUS WINAPI RegDeleteKeyW( HKEY hkey, LPCWSTR name ) { return RegDeleteKeyExW( hkey, name, 0, 0 ); } /****************************************************************************** * RegDeleteKeyExA [ADVAPI32.@] */ LSTATUS WINAPI RegDeleteKeyExA( HKEY hkey, LPCSTR name, REGSAM access, DWORD reserved ) { DWORD ret; HKEY tmp; if (!name) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; access &= KEY_WOW64_64KEY | KEY_WOW64_32KEY; if (!(ret = RegOpenKeyExA( hkey, name, 0, access | DELETE, &tmp ))) { if (!is_version_nt()) /* win95 does recursive key deletes */ { CHAR sub[MAX_PATH]; while(!RegEnumKeyA(tmp, 0, sub, sizeof(sub))) { if(RegDeleteKeyExA(tmp, sub, access, reserved)) /* recurse */ break; } } ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) ); RegCloseKey( tmp ); } TRACE("%s ret=%08x\n", debugstr_a(name), ret); return ret; } /****************************************************************************** * RegDeleteKeyA [ADVAPI32.@] * * Delete a registry key. * * PARAMS * hkey [I] Handle to parent key containing the key to delete * name [I] Name of the key user hkey to delete * * NOTES * * MSDN is wrong when it says that hkey must be opened with the DELETE access * right. In reality, it opens a new handle with DELETE access. * * RETURNS * Success: ERROR_SUCCESS * Failure: Error code */ LSTATUS WINAPI RegDeleteKeyA( HKEY hkey, LPCSTR name ) { return RegDeleteKeyExA( hkey, name, 0, 0 ); } /****************************************************************************** * RegSetValueExW [ADVAPI32.@] * * Set the data and contents of a registry value. * * PARAMS * hkey [I] Handle of key to set value for * name [I] Name of value to set * reserved [I] Reserved, must be zero * type [I] Type of the value being set * data [I] The new contents of the value to set * count [I] Size of data * * RETURNS * Success: ERROR_SUCCESS * Failure: Error code */ LSTATUS WINAPI RegSetValueExW( HKEY hkey, LPCWSTR name, DWORD reserved, DWORD type, const BYTE *data, DWORD count ) { UNICODE_STRING nameW; /* no need for version check, not implemented on win9x anyway */ if ((data && ((ULONG_PTR)data >> 16) == 0) || (!data && count)) return ERROR_NOACCESS; if (count && is_string(type)) { LPCWSTR str = (LPCWSTR)data; /* if user forgot to count terminating null, add it (yes NT does this) */ if (str[count / sizeof(WCHAR) - 1] && !str[count / sizeof(WCHAR)]) count += sizeof(WCHAR); } if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; RtlInitUnicodeString( &nameW, name ); return RtlNtStatusToDosError( NtSetValueKey( hkey, &nameW, 0, type, data, count ) ); } /****************************************************************************** * RegSetValueExA [ADVAPI32.@] * * See RegSetValueExW. * * NOTES * win95 does not care about count for REG_SZ and finds out the len by itself (js) * NT does definitely care (aj) */ LSTATUS WINAPI RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type, const BYTE *data, DWORD count ) { ANSI_STRING nameA; UNICODE_STRING nameW; WCHAR *dataW = NULL; NTSTATUS status; if (!is_version_nt()) /* win95 */ { if (type == REG_SZ) { if (!data) return ERROR_INVALID_PARAMETER; count = strlen((const char *)data) + 1; } } else if (count && is_string(type)) { /* if user forgot to count terminating null, add it (yes NT does this) */ if (data[count-1] && !data[count]) count++; } if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; if (is_string( type )) /* need to convert to Unicode */ { DWORD lenW; RtlMultiByteToUnicodeSize( &lenW, (const char *)data, count ); if (!(dataW = heap_alloc( lenW ))) return ERROR_OUTOFMEMORY; RtlMultiByteToUnicodeN( dataW, lenW, NULL, (const char *)data, count ); count = lenW; data = (BYTE *)dataW; } RtlInitAnsiString( &nameA, name ); if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE ))) { status = NtSetValueKey( hkey, &nameW, 0, type, data, count ); RtlFreeUnicodeString( &nameW ); } heap_free( dataW ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegSetValueW [ADVAPI32.@] * * Sets the data for the default or unnamed value of a reg key. * * PARAMS * hkey [I] Handle to an open key. * subkey [I] Name of a subkey of hKey. * type [I] Type of information to store. * data [I] String that contains the data to set for the default value. * count [I] Ignored. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegSetValueW( HKEY hkey, LPCWSTR subkey, DWORD type, LPCWSTR data, DWORD count ) { TRACE("(%p,%s,%d,%s,%d)\n", hkey, debugstr_w(subkey), type, debugstr_w(data), count ); if (type != REG_SZ || !data) return ERROR_INVALID_PARAMETER; return RegSetKeyValueW( hkey, subkey, NULL, type, data, (strlenW(data) + 1)*sizeof(WCHAR) ); } /****************************************************************************** * RegSetValueA [ADVAPI32.@] * * See RegSetValueW. */ LSTATUS WINAPI RegSetValueA( HKEY hkey, LPCSTR subkey, DWORD type, LPCSTR data, DWORD count ) { TRACE("(%p,%s,%d,%s,%d)\n", hkey, debugstr_a(subkey), type, debugstr_a(data), count ); if (type != REG_SZ || !data) return ERROR_INVALID_PARAMETER; return RegSetKeyValueA( hkey, subkey, NULL, type, data, strlen(data) + 1 ); } /****************************************************************************** * RegSetKeyValueW [ADVAPI32.@] */ LONG WINAPI RegSetKeyValueW( HKEY hkey, LPCWSTR subkey, LPCWSTR name, DWORD type, const void *data, DWORD len ) { HKEY hsubkey = NULL; DWORD ret; TRACE("(%p,%s,%s,%d,%p,%d)\n", hkey, debugstr_w(subkey), debugstr_w(name), type, data, len ); if (subkey && subkey[0]) /* need to create the subkey */ { if ((ret = RegCreateKeyW( hkey, subkey, &hsubkey )) != ERROR_SUCCESS) return ret; hkey = hsubkey; } ret = RegSetValueExW( hkey, name, 0, type, (const BYTE*)data, len ); if (hsubkey) RegCloseKey( hsubkey ); return ret; } /****************************************************************************** * RegSetKeyValueA [ADVAPI32.@] */ LONG WINAPI RegSetKeyValueA( HKEY hkey, LPCSTR subkey, LPCSTR name, DWORD type, const void *data, DWORD len ) { HKEY hsubkey = NULL; DWORD ret; TRACE("(%p,%s,%s,%d,%p,%d)\n", hkey, debugstr_a(subkey), debugstr_a(name), type, data, len ); if (subkey && subkey[0]) /* need to create the subkey */ { if ((ret = RegCreateKeyA( hkey, subkey, &hsubkey )) != ERROR_SUCCESS) return ret; hkey = hsubkey; } ret = RegSetValueExA( hkey, name, 0, type, (const BYTE*)data, len ); if (hsubkey) RegCloseKey( hsubkey ); return ret; } /****************************************************************************** * RegQueryValueExW [ADVAPI32.@] * * See RegQueryValueExA. */ LSTATUS WINAPI RegQueryValueExW( HKEY hkey, LPCWSTR name, LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count ) { NTSTATUS status; UNICODE_STRING name_str; DWORD total_size; char buffer[256], *buf_ptr = buffer; KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer; static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data ); TRACE("(%p,%s,%p,%p,%p,%p=%d)\n", hkey, debugstr_w(name), reserved, type, data, count, (count && data) ? *count : 0 ); if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; RtlInitUnicodeString( &name_str, name ); if (data) total_size = min( sizeof(buffer), *count + info_size ); else { total_size = info_size; if (count) *count = 0; } status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation, buffer, total_size, &total_size ); if (status && status != STATUS_BUFFER_OVERFLOW) goto done; if (data) { /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW && total_size - info_size <= *count) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr; status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation, buf_ptr, total_size, &total_size ); } if (!status) { memcpy( data, buf_ptr + info_size, total_size - info_size ); /* if the type is REG_SZ and data is not 0-terminated * and there is enough space in the buffer NT appends a \0 */ if (total_size - info_size <= *count-sizeof(WCHAR) && is_string(info->Type)) { WCHAR *ptr = (WCHAR *)(data + total_size - info_size); if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0; } } else if (status != STATUS_BUFFER_OVERFLOW) goto done; } else status = STATUS_SUCCESS; if (type) *type = info->Type; if (count) *count = total_size - info_size; done: if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError(status); } /****************************************************************************** * RegQueryValueExA [ADVAPI32.@] * * Get the type and contents of a specified value under with a key. * * PARAMS * hkey [I] Handle of the key to query * name [I] Name of value under hkey to query * reserved [I] Reserved - must be NULL * type [O] Destination for the value type, or NULL if not required * data [O] Destination for the values contents, or NULL if not required * count [I/O] Size of data, updated with the number of bytes returned * * RETURNS * Success: ERROR_SUCCESS. *count is updated with the number of bytes copied to data. * Failure: ERROR_INVALID_HANDLE, if hkey is invalid. * ERROR_INVALID_PARAMETER, if any other parameter is invalid. * ERROR_MORE_DATA, if on input *count is too small to hold the contents. * * NOTES * MSDN states that if data is too small it is partially filled. In reality * it remains untouched. */ LSTATUS WINAPI DECLSPEC_HOTPATCH RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count ) { NTSTATUS status; ANSI_STRING nameA; UNICODE_STRING nameW; DWORD total_size, datalen = 0; char buffer[256], *buf_ptr = buffer; KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer; static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data ); TRACE("(%p,%s,%p,%p,%p,%p=%d)\n", hkey, debugstr_a(name), reserved, type, data, count, count ? *count : 0 ); if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; if (count) datalen = *count; if (!data && count) *count = 0; /* this matches Win9x behaviour - NT sets *type to a random value */ if (type) *type = REG_NONE; RtlInitAnsiString( &nameA, name ); if ((status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE ))) return RtlNtStatusToDosError(status); status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, buffer, sizeof(buffer), &total_size ); if (status && status != STATUS_BUFFER_OVERFLOW) goto done; /* we need to fetch the contents for a string type even if not requested, * because we need to compute the length of the ASCII string. */ if (data || is_string(info->Type)) { /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) { status = STATUS_NO_MEMORY; goto done; } info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr; status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, buf_ptr, total_size, &total_size ); } if (status) goto done; if (is_string(info->Type)) { DWORD len; RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info_size), total_size - info_size ); if (data && len) { if (len > datalen) status = STATUS_BUFFER_OVERFLOW; else { RtlUnicodeToMultiByteN( (char*)data, len, NULL, (WCHAR *)(buf_ptr + info_size), total_size - info_size ); /* if the type is REG_SZ and data is not 0-terminated * and there is enough space in the buffer NT appends a \0 */ if (len < datalen && data[len-1]) data[len] = 0; } } total_size = len + info_size; } else if (data) { if (total_size - info_size > datalen) status = STATUS_BUFFER_OVERFLOW; else memcpy( data, buf_ptr + info_size, total_size - info_size ); } } else status = STATUS_SUCCESS; if (type) *type = info->Type; if (count) *count = total_size - info_size; done: if (buf_ptr != buffer) heap_free( buf_ptr ); RtlFreeUnicodeString( &nameW ); return RtlNtStatusToDosError(status); } /****************************************************************************** * RegQueryValueW [ADVAPI32.@] * * Retrieves the data associated with the default or unnamed value of a key. * * PARAMS * hkey [I] Handle to an open key. * name [I] Name of the subkey of hKey. * data [O] Receives the string associated with the default value * of the key. * count [I/O] Size of lpValue in bytes. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegQueryValueW( HKEY hkey, LPCWSTR name, LPWSTR data, LPLONG count ) { DWORD ret; HKEY subkey = hkey; TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_w(name), data, count ? *count : 0 ); if (name && name[0]) { if ((ret = RegOpenKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret; } ret = RegQueryValueExW( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count ); if (subkey != hkey) RegCloseKey( subkey ); if (ret == ERROR_FILE_NOT_FOUND) { /* return empty string if default value not found */ if (data) *data = 0; if (count) *count = sizeof(WCHAR); ret = ERROR_SUCCESS; } return ret; } /****************************************************************************** * RegQueryValueA [ADVAPI32.@] * * See RegQueryValueW. */ LSTATUS WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count ) { DWORD ret; HKEY subkey = hkey; TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_a(name), data, count ? *count : 0 ); if (name && name[0]) { if ((ret = RegOpenKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret; } ret = RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count ); if (subkey != hkey) RegCloseKey( subkey ); if (ret == ERROR_FILE_NOT_FOUND) { /* return empty string if default value not found */ if (data) *data = 0; if (count) *count = 1; ret = ERROR_SUCCESS; } return ret; } /****************************************************************************** * ADVAPI_ApplyRestrictions [internal] * * Helper function for RegGetValueA/W. */ static VOID ADVAPI_ApplyRestrictions( DWORD dwFlags, DWORD dwType, DWORD cbData, PLONG ret ) { /* Check if the type is restricted by the passed flags */ if (*ret == ERROR_SUCCESS || *ret == ERROR_MORE_DATA) { DWORD dwMask = 0; switch (dwType) { case REG_NONE: dwMask = RRF_RT_REG_NONE; break; case REG_SZ: dwMask = RRF_RT_REG_SZ; break; case REG_EXPAND_SZ: dwMask = RRF_RT_REG_EXPAND_SZ; break; case REG_MULTI_SZ: dwMask = RRF_RT_REG_MULTI_SZ; break; case REG_BINARY: dwMask = RRF_RT_REG_BINARY; break; case REG_DWORD: dwMask = RRF_RT_REG_DWORD; break; case REG_QWORD: dwMask = RRF_RT_REG_QWORD; break; } if (dwFlags & dwMask) { /* Type is not restricted, check for size mismatch */ if (dwType == REG_BINARY) { DWORD cbExpect = 0; if ((dwFlags & RRF_RT_ANY) == RRF_RT_DWORD) cbExpect = 4; else if ((dwFlags & RRF_RT_ANY) == RRF_RT_QWORD) cbExpect = 8; if (cbExpect && cbData != cbExpect) *ret = ERROR_DATATYPE_MISMATCH; } } else *ret = ERROR_UNSUPPORTED_TYPE; } } /****************************************************************************** * RegGetValueW [ADVAPI32.@] * * Retrieves the type and data for a value name associated with a key, * optionally expanding its content and restricting its type. * * PARAMS * hKey [I] Handle to an open key. * pszSubKey [I] Name of the subkey of hKey. * pszValue [I] Name of value under hKey/szSubKey to query. * dwFlags [I] Flags restricting the value type to retrieve. * pdwType [O] Destination for the values type, may be NULL. * pvData [O] Destination for the values content, may be NULL. * pcbData [I/O] Size of pvData, updated with the size in bytes required to * retrieve the whole content, including the trailing '\0' * for strings. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h * * NOTES * - Unless RRF_NOEXPAND is specified, REG_EXPAND_SZ values are automatically * expanded and pdwType is set to REG_SZ instead. * - Restrictions are applied after expanding, using RRF_RT_REG_EXPAND_SZ * without RRF_NOEXPAND is thus not allowed. * An exception is the case where RRF_RT_ANY is specified, because then * RRF_NOEXPAND is allowed. */ LSTATUS WINAPI RegGetValueW( HKEY hKey, LPCWSTR pszSubKey, LPCWSTR pszValue, DWORD dwFlags, LPDWORD pdwType, PVOID pvData, LPDWORD pcbData ) { DWORD dwType, cbData = pcbData ? *pcbData : 0; PVOID pvBuf = NULL; LONG ret; TRACE("(%p,%s,%s,%d,%p,%p,%p=%d)\n", hKey, debugstr_w(pszSubKey), debugstr_w(pszValue), dwFlags, pdwType, pvData, pcbData, cbData); if (pvData && !pcbData) return ERROR_INVALID_PARAMETER; if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) && ((dwFlags & RRF_RT_ANY) != RRF_RT_ANY)) return ERROR_INVALID_PARAMETER; if (pszSubKey && pszSubKey[0]) { ret = RegOpenKeyExW(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey); if (ret != ERROR_SUCCESS) return ret; } ret = RegQueryValueExW(hKey, pszValue, NULL, &dwType, pvData, &cbData); /* If we are going to expand we need to read in the whole the value even * if the passed buffer was too small as the expanded string might be * smaller than the unexpanded one and could fit into cbData bytes. */ if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) && dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND)) { do { heap_free(pvBuf); pvBuf = heap_alloc(cbData); if (!pvBuf) { ret = ERROR_NOT_ENOUGH_MEMORY; break; } if (ret == ERROR_MORE_DATA || !pvData) ret = RegQueryValueExW(hKey, pszValue, NULL, &dwType, pvBuf, &cbData); else { /* Even if cbData was large enough we have to copy the * string since ExpandEnvironmentStrings can't handle * overlapping buffers. */ CopyMemory(pvBuf, pvData, cbData); } /* Both the type or the value itself could have been modified in * between so we have to keep retrying until the buffer is large * enough or we no longer have to expand the value. */ } while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA); if (ret == ERROR_SUCCESS) { /* Recheck dwType in case it changed since the first call */ if (dwType == REG_EXPAND_SZ) { cbData = ExpandEnvironmentStringsW(pvBuf, pvData, pcbData ? *pcbData : 0) * sizeof(WCHAR); dwType = REG_SZ; if(pvData && pcbData && cbData > *pcbData) ret = ERROR_MORE_DATA; } else if (pvData) CopyMemory(pvData, pvBuf, *pcbData); } heap_free(pvBuf); } if (pszSubKey && pszSubKey[0]) RegCloseKey(hKey); ADVAPI_ApplyRestrictions(dwFlags, dwType, cbData, &ret); if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE)) ZeroMemory(pvData, *pcbData); if (pdwType) *pdwType = dwType; if (pcbData) *pcbData = cbData; return ret; } /****************************************************************************** * RegGetValueA [ADVAPI32.@] * * See RegGetValueW. */ LSTATUS WINAPI RegGetValueA( HKEY hKey, LPCSTR pszSubKey, LPCSTR pszValue, DWORD dwFlags, LPDWORD pdwType, PVOID pvData, LPDWORD pcbData ) { DWORD dwType, cbData = pcbData ? *pcbData : 0; PVOID pvBuf = NULL; LONG ret; TRACE("(%p,%s,%s,%d,%p,%p,%p=%d)\n", hKey, debugstr_a(pszSubKey), debugstr_a(pszValue), dwFlags, pdwType, pvData, pcbData, cbData); if (pvData && !pcbData) return ERROR_INVALID_PARAMETER; if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) && ((dwFlags & RRF_RT_ANY) != RRF_RT_ANY)) return ERROR_INVALID_PARAMETER; if (pszSubKey && pszSubKey[0]) { ret = RegOpenKeyExA(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey); if (ret != ERROR_SUCCESS) return ret; } ret = RegQueryValueExA(hKey, pszValue, NULL, &dwType, pvData, &cbData); /* If we are going to expand we need to read in the whole the value even * if the passed buffer was too small as the expanded string might be * smaller than the unexpanded one and could fit into cbData bytes. */ if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) && dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND)) { do { heap_free(pvBuf); pvBuf = heap_alloc(cbData); if (!pvBuf) { ret = ERROR_NOT_ENOUGH_MEMORY; break; } if (ret == ERROR_MORE_DATA || !pvData) ret = RegQueryValueExA(hKey, pszValue, NULL, &dwType, pvBuf, &cbData); else { /* Even if cbData was large enough we have to copy the * string since ExpandEnvironmentStrings can't handle * overlapping buffers. */ CopyMemory(pvBuf, pvData, cbData); } /* Both the type or the value itself could have been modified in * between so we have to keep retrying until the buffer is large * enough or we no longer have to expand the value. */ } while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA); if (ret == ERROR_SUCCESS) { /* Recheck dwType in case it changed since the first call */ if (dwType == REG_EXPAND_SZ) { cbData = ExpandEnvironmentStringsA(pvBuf, pvData, pcbData ? *pcbData : 0); dwType = REG_SZ; if(pvData && pcbData && cbData > *pcbData) ret = ERROR_MORE_DATA; } else if (pvData) CopyMemory(pvData, pvBuf, *pcbData); } heap_free(pvBuf); } if (pszSubKey && pszSubKey[0]) RegCloseKey(hKey); ADVAPI_ApplyRestrictions(dwFlags, dwType, cbData, &ret); if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE)) ZeroMemory(pvData, *pcbData); if (pdwType) *pdwType = dwType; if (pcbData) *pcbData = cbData; return ret; } /****************************************************************************** * RegEnumValueW [ADVAPI32.@] * * Enumerates the values for the specified open registry key. * * PARAMS * hkey [I] Handle to key to query * index [I] Index of value to query * value [O] Value string * val_count [I/O] Size of value buffer (in wchars) * reserved [I] Reserved * type [O] Type code * data [O] Value data * count [I/O] Size of data buffer (in bytes) * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegEnumValueW( HKEY hkey, DWORD index, LPWSTR value, LPDWORD val_count, LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count ) { NTSTATUS status; DWORD total_size; char buffer[256], *buf_ptr = buffer; KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer; static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name ); TRACE("(%p,%d,%p,%p,%p,%p,%p,%p)\n", hkey, index, value, val_count, reserved, type, data, count ); if ((data && !count) || reserved || !value || !val_count) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR); if (data) total_size += *count; total_size = min( sizeof(buffer), total_size ); status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation, buffer, total_size, &total_size ); /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr; status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation, buf_ptr, total_size, &total_size ); } if (status) goto done; if (info->NameLength/sizeof(WCHAR) >= *val_count) { status = STATUS_BUFFER_OVERFLOW; goto overflow; } memcpy( value, info->Name, info->NameLength ); *val_count = info->NameLength / sizeof(WCHAR); value[*val_count] = 0; if (data) { if (total_size - info->DataOffset > *count) { status = STATUS_BUFFER_OVERFLOW; goto overflow; } memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset ); if (total_size - info->DataOffset <= *count-sizeof(WCHAR) && is_string(info->Type)) { /* if the type is REG_SZ and data is not 0-terminated * and there is enough space in the buffer NT appends a \0 */ WCHAR *ptr = (WCHAR *)(data + total_size - info->DataOffset); if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0; } } overflow: if (type) *type = info->Type; if (count) *count = info->DataLength; done: if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError(status); } /****************************************************************************** * RegEnumValueA [ADVAPI32.@] * * See RegEnumValueW. */ LSTATUS WINAPI RegEnumValueA( HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count, LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count ) { NTSTATUS status; DWORD total_size; char buffer[256], *buf_ptr = buffer; KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer; static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name ); TRACE("(%p,%d,%p,%p,%p,%p,%p,%p)\n", hkey, index, value, val_count, reserved, type, data, count ); if ((data && !count) || reserved || !value || !val_count) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR); if (data) total_size += *count; total_size = min( sizeof(buffer), total_size ); status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation, buffer, total_size, &total_size ); /* we need to fetch the contents for a string type even if not requested, * because we need to compute the length of the ASCII string. */ /* retry with a dynamically allocated buffer */ while (status == STATUS_BUFFER_OVERFLOW) { if (buf_ptr != buffer) heap_free( buf_ptr ); if (!(buf_ptr = heap_alloc( total_size ))) return ERROR_NOT_ENOUGH_MEMORY; info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr; status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation, buf_ptr, total_size, &total_size ); } if (status) goto done; if (is_string(info->Type)) { DWORD len; RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->DataOffset), total_size - info->DataOffset ); if (data && len) { if (len > *count) status = STATUS_BUFFER_OVERFLOW; else { RtlUnicodeToMultiByteN( (char*)data, len, NULL, (WCHAR *)(buf_ptr + info->DataOffset), total_size - info->DataOffset ); /* if the type is REG_SZ and data is not 0-terminated * and there is enough space in the buffer NT appends a \0 */ if (len < *count && data[len-1]) data[len] = 0; } } info->DataLength = len; } else if (data) { if (total_size - info->DataOffset > *count) status = STATUS_BUFFER_OVERFLOW; else memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset ); } if (!status) { DWORD len; RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength ); if (len >= *val_count) { status = STATUS_BUFFER_OVERFLOW; if (*val_count) { len = *val_count - 1; RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength ); value[len] = 0; } } else { RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength ); value[len] = 0; *val_count = len; } } if (type) *type = info->Type; if (count) *count = info->DataLength; done: if (buf_ptr != buffer) heap_free( buf_ptr ); return RtlNtStatusToDosError(status); } /****************************************************************************** * RegDeleteValueW [ADVAPI32.@] * * See RegDeleteValueA. */ LSTATUS WINAPI RegDeleteValueW( HKEY hkey, LPCWSTR name ) { return RegDeleteKeyValueW( hkey, NULL, name ); } /****************************************************************************** * RegDeleteValueA [ADVAPI32.@] * * Delete a value from the registry. * * PARAMS * hkey [I] Registry handle of the key holding the value * name [I] Name of the value under hkey to delete * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegDeleteValueA( HKEY hkey, LPCSTR name ) { return RegDeleteKeyValueA( hkey, NULL, name ); } /****************************************************************************** * RegDeleteKeyValueW [ADVAPI32.@] */ LONG WINAPI RegDeleteKeyValueW( HKEY hkey, LPCWSTR subkey, LPCWSTR name ) { UNICODE_STRING nameW; HKEY hsubkey = 0; LONG ret; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; if (subkey) { if ((ret = RegOpenKeyExW( hkey, subkey, 0, KEY_SET_VALUE, &hsubkey ))) return ret; hkey = hsubkey; } RtlInitUnicodeString( &nameW, name ); ret = RtlNtStatusToDosError( NtDeleteValueKey( hkey, &nameW ) ); if (hsubkey) RegCloseKey( hsubkey ); return ret; } /****************************************************************************** * RegDeleteKeyValueA [ADVAPI32.@] */ LONG WINAPI RegDeleteKeyValueA( HKEY hkey, LPCSTR subkey, LPCSTR name ) { UNICODE_STRING nameW; HKEY hsubkey = 0; ANSI_STRING nameA; NTSTATUS status; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; if (subkey) { LONG ret = RegOpenKeyExA( hkey, subkey, 0, KEY_SET_VALUE, &hsubkey ); if (ret) return ret; hkey = hsubkey; } RtlInitAnsiString( &nameA, name ); if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE ))) { status = NtDeleteValueKey( hkey, &nameW ); RtlFreeUnicodeString( &nameW ); } if (hsubkey) RegCloseKey( hsubkey ); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegLoadKeyW [ADVAPI32.@] * * Create a subkey under HKEY_USERS or HKEY_LOCAL_MACHINE and store * registration information from a specified file into that subkey. * * PARAMS * hkey [I] Handle of open key * subkey [I] Address of name of subkey * filename [I] Address of filename for registry information * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegLoadKeyW( HKEY hkey, LPCWSTR subkey, LPCWSTR filename ) { OBJECT_ATTRIBUTES destkey, file; UNICODE_STRING subkeyW, filenameW; NTSTATUS status; if (!(hkey = get_special_root_hkey(hkey, 0))) return ERROR_INVALID_HANDLE; destkey.Length = sizeof(destkey); destkey.RootDirectory = hkey; /* root key: HKLM or HKU */ destkey.ObjectName = &subkeyW; /* name of the key */ destkey.Attributes = 0; destkey.SecurityDescriptor = NULL; destkey.SecurityQualityOfService = NULL; RtlInitUnicodeString(&subkeyW, subkey); file.Length = sizeof(file); file.RootDirectory = NULL; file.ObjectName = &filenameW; /* file containing the hive */ file.Attributes = OBJ_CASE_INSENSITIVE; file.SecurityDescriptor = NULL; file.SecurityQualityOfService = NULL; RtlDosPathNameToNtPathName_U(filename, &filenameW, NULL, NULL); status = NtLoadKey(&destkey, &file); RtlFreeUnicodeString(&filenameW); return RtlNtStatusToDosError( status ); } /****************************************************************************** * RegLoadKeyA [ADVAPI32.@] * * See RegLoadKeyW. */ LSTATUS WINAPI RegLoadKeyA( HKEY hkey, LPCSTR subkey, LPCSTR filename ) { UNICODE_STRING subkeyW, filenameW; STRING subkeyA, filenameA; NTSTATUS status; LONG ret; RtlInitAnsiString(&subkeyA, subkey); RtlInitAnsiString(&filenameA, filename); RtlInitUnicodeString(&subkeyW, NULL); RtlInitUnicodeString(&filenameW, NULL); if (!(status = RtlAnsiStringToUnicodeString(&subkeyW, &subkeyA, TRUE)) && !(status = RtlAnsiStringToUnicodeString(&filenameW, &filenameA, TRUE))) { ret = RegLoadKeyW(hkey, subkeyW.Buffer, filenameW.Buffer); } else ret = RtlNtStatusToDosError(status); RtlFreeUnicodeString(&subkeyW); RtlFreeUnicodeString(&filenameW); return ret; } /****************************************************************************** * RegSaveKeyW [ADVAPI32.@] * * Save a key and all of its subkeys and values to a new file in the standard format. * * PARAMS * hkey [I] Handle of key where save begins * lpFile [I] Address of filename to save to * sa [I] Address of security structure * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegSaveKeyW( HKEY hkey, LPCWSTR file, LPSECURITY_ATTRIBUTES sa ) { static const WCHAR format[] = {'r','e','g','%','0','4','x','.','t','m','p',0}; WCHAR buffer[MAX_PATH]; int count = 0; LPWSTR nameW; DWORD ret, err; HANDLE handle; TRACE( "(%p,%s,%p)\n", hkey, debugstr_w(file), sa ); if (!file || !*file) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; err = GetLastError(); GetFullPathNameW( file, sizeof(buffer)/sizeof(WCHAR), buffer, &nameW ); for (;;) { snprintfW( nameW, 16, format, count++ ); handle = CreateFileW( buffer, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 ); if (handle != INVALID_HANDLE_VALUE) break; if ((ret = GetLastError()) != ERROR_FILE_EXISTS) goto done; /* Something gone haywire ? Please report if this happens abnormally */ if (count >= 100) MESSAGE("Wow, we are already fiddling with a temp file %s with an ordinal as high as %d !\nYou might want to delete all corresponding temp files in that directory.\n", debugstr_w(buffer), count); } ret = RtlNtStatusToDosError(NtSaveKey(hkey, handle)); CloseHandle( handle ); if (!ret) { if (!MoveFileExW( buffer, file, MOVEFILE_REPLACE_EXISTING )) { ERR( "Failed to move %s to %s\n", debugstr_w(buffer), debugstr_w(file) ); ret = GetLastError(); } } if (ret) DeleteFileW( buffer ); done: SetLastError( err ); /* restore last error code */ return ret; } /****************************************************************************** * RegSaveKeyA [ADVAPI32.@] * * See RegSaveKeyW. */ LSTATUS WINAPI RegSaveKeyA( HKEY hkey, LPCSTR file, LPSECURITY_ATTRIBUTES sa ) { UNICODE_STRING *fileW = &NtCurrentTeb()->StaticUnicodeString; NTSTATUS status; STRING fileA; RtlInitAnsiString(&fileA, file); if ((status = RtlAnsiStringToUnicodeString(fileW, &fileA, FALSE))) return RtlNtStatusToDosError( status ); return RegSaveKeyW(hkey, fileW->Buffer, sa); } /****************************************************************************** * RegRestoreKeyW [ADVAPI32.@] * * Read the registry information from a file and copy it over a key. * * PARAMS * hkey [I] Handle of key where restore begins * lpFile [I] Address of filename containing saved tree * dwFlags [I] Optional flags * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegRestoreKeyW( HKEY hkey, LPCWSTR lpFile, DWORD dwFlags ) { TRACE("(%p,%s,%d)\n",hkey,debugstr_w(lpFile),dwFlags); /* It seems to do this check before the hkey check */ if (!lpFile || !*lpFile) return ERROR_INVALID_PARAMETER; FIXME("(%p,%s,%d): stub\n",hkey,debugstr_w(lpFile),dwFlags); /* Check for file existence */ return ERROR_SUCCESS; } /****************************************************************************** * RegRestoreKeyA [ADVAPI32.@] * * See RegRestoreKeyW. */ LSTATUS WINAPI RegRestoreKeyA( HKEY hkey, LPCSTR lpFile, DWORD dwFlags ) { UNICODE_STRING lpFileW; LONG ret; RtlCreateUnicodeStringFromAsciiz( &lpFileW, lpFile ); ret = RegRestoreKeyW( hkey, lpFileW.Buffer, dwFlags ); RtlFreeUnicodeString( &lpFileW ); return ret; } /****************************************************************************** * RegUnLoadKeyW [ADVAPI32.@] * * Unload a registry key and its subkeys from the registry. * * PARAMS * hkey [I] Handle of open key * lpSubKey [I] Address of name of subkey to unload * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegUnLoadKeyW( HKEY hkey, LPCWSTR lpSubKey ) { DWORD ret; HKEY shkey; OBJECT_ATTRIBUTES attr; UNICODE_STRING subkey; TRACE("(%p,%s)\n",hkey, debugstr_w(lpSubKey)); ret = RegOpenKeyW(hkey,lpSubKey,&shkey); if( ret ) return ERROR_INVALID_PARAMETER; RtlInitUnicodeString(&subkey, lpSubKey); InitializeObjectAttributes(&attr, &subkey, OBJ_CASE_INSENSITIVE, shkey, NULL); ret = RtlNtStatusToDosError(NtUnloadKey(&attr)); RegCloseKey(shkey); return ret; } /****************************************************************************** * RegUnLoadKeyA [ADVAPI32.@] * * See RegUnLoadKeyW. */ LSTATUS WINAPI RegUnLoadKeyA( HKEY hkey, LPCSTR lpSubKey ) { UNICODE_STRING lpSubKeyW; LONG ret; RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey ); ret = RegUnLoadKeyW( hkey, lpSubKeyW.Buffer ); RtlFreeUnicodeString( &lpSubKeyW ); return ret; } /****************************************************************************** * RegReplaceKeyW [ADVAPI32.@] * * Replace the file backing a registry key and all its subkeys with another file. * * PARAMS * hkey [I] Handle of open key * lpSubKey [I] Address of name of subkey * lpNewFile [I] Address of filename for file with new data * lpOldFile [I] Address of filename for backup file * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegReplaceKeyW( HKEY hkey, LPCWSTR lpSubKey, LPCWSTR lpNewFile, LPCWSTR lpOldFile ) { FIXME("(%p,%s,%s,%s): stub\n", hkey, debugstr_w(lpSubKey), debugstr_w(lpNewFile),debugstr_w(lpOldFile)); return ERROR_SUCCESS; } /****************************************************************************** * RegReplaceKeyA [ADVAPI32.@] * * See RegReplaceKeyW. */ LSTATUS WINAPI RegReplaceKeyA( HKEY hkey, LPCSTR lpSubKey, LPCSTR lpNewFile, LPCSTR lpOldFile ) { UNICODE_STRING lpSubKeyW; UNICODE_STRING lpNewFileW; UNICODE_STRING lpOldFileW; LONG ret; RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey ); RtlCreateUnicodeStringFromAsciiz( &lpOldFileW, lpOldFile ); RtlCreateUnicodeStringFromAsciiz( &lpNewFileW, lpNewFile ); ret = RegReplaceKeyW( hkey, lpSubKeyW.Buffer, lpNewFileW.Buffer, lpOldFileW.Buffer ); RtlFreeUnicodeString( &lpOldFileW ); RtlFreeUnicodeString( &lpNewFileW ); RtlFreeUnicodeString( &lpSubKeyW ); return ret; } /****************************************************************************** * RegSetKeySecurity [ADVAPI32.@] * * Set the security of an open registry key. * * PARAMS * hkey [I] Open handle of key to set * SecurityInfo [I] Descriptor contents * pSecurityDesc [I] Address of descriptor for key * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegSetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInfo, PSECURITY_DESCRIPTOR pSecurityDesc ) { TRACE("(%p,%d,%p)\n",hkey,SecurityInfo,pSecurityDesc); /* It seems to perform this check before the hkey check */ if ((SecurityInfo & OWNER_SECURITY_INFORMATION) || (SecurityInfo & GROUP_SECURITY_INFORMATION) || (SecurityInfo & DACL_SECURITY_INFORMATION) || (SecurityInfo & SACL_SECURITY_INFORMATION)) { /* Param OK */ } else return ERROR_INVALID_PARAMETER; if (!pSecurityDesc) return ERROR_INVALID_PARAMETER; if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; return RtlNtStatusToDosError( NtSetSecurityObject( hkey, SecurityInfo, pSecurityDesc ) ); } /****************************************************************************** * RegGetKeySecurity [ADVAPI32.@] * * Get a copy of the security descriptor for a given registry key. * * PARAMS * hkey [I] Open handle of key to set * SecurityInformation [I] Descriptor contents * pSecurityDescriptor [O] Address of descriptor for key * lpcbSecurityDescriptor [I/O] Address of size of buffer and description * * RETURNS * Success: ERROR_SUCCESS * Failure: Error code */ LSTATUS WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR pSecurityDescriptor, LPDWORD lpcbSecurityDescriptor ) { TRACE("(%p,%d,%p,%d)\n",hkey,SecurityInformation,pSecurityDescriptor, *lpcbSecurityDescriptor); if (!(hkey = get_special_root_hkey( hkey, 0 ))) return ERROR_INVALID_HANDLE; return RtlNtStatusToDosError( NtQuerySecurityObject( hkey, SecurityInformation, pSecurityDescriptor, *lpcbSecurityDescriptor, lpcbSecurityDescriptor ) ); } /****************************************************************************** * RegFlushKey [ADVAPI32.@] * * Immediately write a registry key to registry. * * PARAMS * hkey [I] Handle of key to write * * RETURNS * Success: ERROR_SUCCESS * Failure: Error code */ LSTATUS WINAPI RegFlushKey( HKEY hkey ) { hkey = get_special_root_hkey( hkey, 0 ); if (!hkey) return ERROR_INVALID_HANDLE; return RtlNtStatusToDosError( NtFlushKey( hkey ) ); } /****************************************************************************** * RegConnectRegistryW [ADVAPI32.@] * * Establish a connection to a predefined registry key on another computer. * * PARAMS * lpMachineName [I] Address of name of remote computer * hHey [I] Predefined registry handle * phkResult [I] Address of buffer for remote registry handle * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegConnectRegistryW( LPCWSTR lpMachineName, HKEY hKey, PHKEY phkResult ) { LONG ret; TRACE("(%s,%p,%p)\n",debugstr_w(lpMachineName), hKey, phkResult); if (!lpMachineName || !*lpMachineName) { /* Use the local machine name */ ret = RegOpenKeyW( hKey, NULL, phkResult ); } else { WCHAR compName[MAX_COMPUTERNAME_LENGTH + 1]; DWORD len = sizeof(compName) / sizeof(WCHAR); /* MSDN says lpMachineName must start with \\ : not so */ if( lpMachineName[0] == '\\' && lpMachineName[1] == '\\') lpMachineName += 2; if (GetComputerNameW(compName, &len)) { if (!strcmpiW(lpMachineName, compName)) ret = RegOpenKeyW(hKey, NULL, phkResult); else { FIXME("Connect to %s is not supported.\n",debugstr_w(lpMachineName)); ret = ERROR_BAD_NETPATH; } } else ret = GetLastError(); } return ret; } /****************************************************************************** * RegConnectRegistryA [ADVAPI32.@] * * See RegConnectRegistryW. */ LSTATUS WINAPI RegConnectRegistryA( LPCSTR machine, HKEY hkey, PHKEY reskey ) { UNICODE_STRING machineW; LONG ret; RtlCreateUnicodeStringFromAsciiz( &machineW, machine ); ret = RegConnectRegistryW( machineW.Buffer, hkey, reskey ); RtlFreeUnicodeString( &machineW ); return ret; } /****************************************************************************** * RegNotifyChangeKeyValue [ADVAPI32.@] * * Notify the caller about changes to the attributes or contents of a registry key. * * PARAMS * hkey [I] Handle of key to watch * fWatchSubTree [I] Flag for subkey notification * fdwNotifyFilter [I] Changes to be reported * hEvent [I] Handle of signaled event * fAsync [I] Flag for asynchronous reporting * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h */ LSTATUS WINAPI RegNotifyChangeKeyValue( HKEY hkey, BOOL fWatchSubTree, DWORD fdwNotifyFilter, HANDLE hEvent, BOOL fAsync ) { NTSTATUS status; IO_STATUS_BLOCK iosb; hkey = get_special_root_hkey( hkey, 0 ); if (!hkey) return ERROR_INVALID_HANDLE; TRACE("(%p,%i,%d,%p,%i)\n", hkey, fWatchSubTree, fdwNotifyFilter, hEvent, fAsync); status = NtNotifyChangeKey( hkey, hEvent, NULL, NULL, &iosb, fdwNotifyFilter, fWatchSubTree, NULL, 0, fAsync); if (status && status != STATUS_TIMEOUT) return RtlNtStatusToDosError( status ); return ERROR_SUCCESS; } /****************************************************************************** * RegOpenUserClassesRoot [ADVAPI32.@] * * Open the HKEY_CLASSES_ROOT key for a user. * * PARAMS * hToken [I] Handle of token representing the user * dwOptions [I] Reserved, must be 0 * samDesired [I] Desired access rights * phkResult [O] Destination for the resulting key handle * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h * * NOTES * On Windows 2000 and upwards the HKEY_CLASSES_ROOT key is a view of the * "HKEY_LOCAL_MACHINE\Software\Classes" and the * "HKEY_CURRENT_USER\Software\Classes" keys merged together. */ LSTATUS WINAPI RegOpenUserClassesRoot( HANDLE hToken, DWORD dwOptions, REGSAM samDesired, PHKEY phkResult ) { FIXME("(%p, 0x%x, 0x%x, %p) semi-stub\n", hToken, dwOptions, samDesired, phkResult); *phkResult = HKEY_CLASSES_ROOT; return ERROR_SUCCESS; } /****************************************************************************** * load_string [Internal] * * This is basically a copy of user32/resource.c's LoadStringW. Necessary to * avoid importing user32, which is higher level than advapi32. Helper for * RegLoadMUIString. */ static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars) { HGLOBAL hMemory; HRSRC hResource; WCHAR *pString; int idxString; /* Negative values have to be inverted. */ if (HIWORD(resId) == 0xffff) resId = (UINT)(-((INT)resId)); /* Load the resource into memory and get a pointer to it. */ hResource = FindResourceW(hModule, MAKEINTRESOURCEW(LOWORD(resId >> 4) + 1), (LPWSTR)RT_STRING); if (!hResource) return 0; hMemory = LoadResource(hModule, hResource); if (!hMemory) return 0; pString = LockResource(hMemory); /* Strings are length-prefixed. Lowest nibble of resId is an index. */ idxString = resId & 0xf; while (idxString--) pString += *pString + 1; /* If no buffer is given, return length of the string. */ if (!pwszBuffer) return *pString; /* Else copy over the string, respecting the buffer size. */ cMaxChars = (*pString < cMaxChars) ? *pString : (cMaxChars - 1); if (cMaxChars >= 0) { memcpy(pwszBuffer, pString+1, cMaxChars * sizeof(WCHAR)); pwszBuffer[cMaxChars] = '\0'; } return cMaxChars; } /****************************************************************************** * RegLoadMUIStringW [ADVAPI32.@] * * Load the localized version of a string resource from some PE, respective * id and path of which are given in the registry value in the format * @[path]\dllname,-resourceId * * PARAMS * hKey [I] Key, of which to load the string value from. * pszValue [I] The value to be loaded (Has to be of REG_EXPAND_SZ or REG_SZ type). * pszBuffer [O] Buffer to store the localized string in. * cbBuffer [I] Size of the destination buffer in bytes. * pcbData [O] Number of bytes written to pszBuffer (optional, may be NULL). * dwFlags [I] None supported yet. * pszBaseDir [I] Not supported yet. * * RETURNS * Success: ERROR_SUCCESS, * Failure: nonzero error code from winerror.h * * NOTES * This is an API of Windows Vista, which wasn't available at the time this code * was written. We have to check for the correct behaviour once it's available. */ LSTATUS WINAPI RegLoadMUIStringW(HKEY hKey, LPCWSTR pwszValue, LPWSTR pwszBuffer, DWORD cbBuffer, LPDWORD pcbData, DWORD dwFlags, LPCWSTR pwszBaseDir) { DWORD dwValueType, cbData; LPWSTR pwszTempBuffer = NULL, pwszExpandedBuffer = NULL; LONG result; TRACE("(hKey = %p, pwszValue = %s, pwszBuffer = %p, cbBuffer = %d, pcbData = %p, " "dwFlags = %d, pwszBaseDir = %s)\n", hKey, debugstr_w(pwszValue), pwszBuffer, cbBuffer, pcbData, dwFlags, debugstr_w(pwszBaseDir)); /* Parameter sanity checks. */ if (!hKey || !pwszBuffer) return ERROR_INVALID_PARAMETER; if (pwszBaseDir && *pwszBaseDir) { FIXME("BaseDir parameter not yet supported!\n"); return ERROR_INVALID_PARAMETER; } /* Check for value existence and correctness of its type, allocate a buffer and load it. */ result = RegQueryValueExW(hKey, pwszValue, NULL, &dwValueType, NULL, &cbData); if (result != ERROR_SUCCESS) goto cleanup; if (!(dwValueType == REG_SZ || dwValueType == REG_EXPAND_SZ) || !cbData) { result = ERROR_FILE_NOT_FOUND; goto cleanup; } pwszTempBuffer = heap_alloc(cbData); if (!pwszTempBuffer) { result = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } result = RegQueryValueExW(hKey, pwszValue, NULL, &dwValueType, (LPBYTE)pwszTempBuffer, &cbData); if (result != ERROR_SUCCESS) goto cleanup; /* Expand environment variables, if appropriate, or copy the original string over. */ if (dwValueType == REG_EXPAND_SZ) { cbData = ExpandEnvironmentStringsW(pwszTempBuffer, NULL, 0) * sizeof(WCHAR); if (!cbData) goto cleanup; pwszExpandedBuffer = heap_alloc(cbData); if (!pwszExpandedBuffer) { result = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } ExpandEnvironmentStringsW(pwszTempBuffer, pwszExpandedBuffer, cbData); } else { pwszExpandedBuffer = heap_alloc(cbData); memcpy(pwszExpandedBuffer, pwszTempBuffer, cbData); } /* If the value references a resource based string, parse the value and load the string. * Else just copy over the original value. */ result = ERROR_SUCCESS; if (*pwszExpandedBuffer != '@') { /* '@' is the prefix for resource based string entries. */ lstrcpynW(pwszBuffer, pwszExpandedBuffer, cbBuffer / sizeof(WCHAR)); } else { WCHAR *pComma = strrchrW(pwszExpandedBuffer, ','); UINT uiStringId; HMODULE hModule; /* Format of the expanded value is 'path_to_dll,-resId' */ if (!pComma || pComma[1] != '-') { result = ERROR_BADKEY; goto cleanup; } uiStringId = atoiW(pComma+2); *pComma = '\0'; hModule = LoadLibraryW(pwszExpandedBuffer + 1); if (!hModule || !load_string(hModule, uiStringId, pwszBuffer, cbBuffer/sizeof(WCHAR))) result = ERROR_BADKEY; FreeLibrary(hModule); } cleanup: heap_free(pwszTempBuffer); heap_free(pwszExpandedBuffer); return result; } /****************************************************************************** * RegLoadMUIStringA [ADVAPI32.@] * * See RegLoadMUIStringW */ LSTATUS WINAPI RegLoadMUIStringA(HKEY hKey, LPCSTR pszValue, LPSTR pszBuffer, DWORD cbBuffer, LPDWORD pcbData, DWORD dwFlags, LPCSTR pszBaseDir) { UNICODE_STRING valueW, baseDirW; WCHAR *pwszBuffer; DWORD cbData = cbBuffer * sizeof(WCHAR); LONG result; valueW.Buffer = baseDirW.Buffer = pwszBuffer = NULL; if (!RtlCreateUnicodeStringFromAsciiz(&valueW, pszValue) || !RtlCreateUnicodeStringFromAsciiz(&baseDirW, pszBaseDir) || !(pwszBuffer = heap_alloc(cbData))) { result = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } result = RegLoadMUIStringW(hKey, valueW.Buffer, pwszBuffer, cbData, NULL, dwFlags, baseDirW.Buffer); if (result == ERROR_SUCCESS) { cbData = WideCharToMultiByte(CP_ACP, 0, pwszBuffer, -1, pszBuffer, cbBuffer, NULL, NULL); if (pcbData) *pcbData = cbData; } cleanup: heap_free(pwszBuffer); RtlFreeUnicodeString(&baseDirW); RtlFreeUnicodeString(&valueW); return result; } /****************************************************************************** * RegDisablePredefinedCache [ADVAPI32.@] * * Disables the caching of the HKEY_CLASSES_ROOT key for the process. * * PARAMS * None. * * RETURNS * Success: ERROR_SUCCESS * Failure: nonzero error code from Winerror.h * * NOTES * This is useful for services that use impersonation. */ LSTATUS WINAPI RegDisablePredefinedCache(void) { HKEY hkey_current_user; int idx = HandleToUlong(HKEY_CURRENT_USER) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST); /* prevent caching of future requests */ hkcu_cache_disabled = TRUE; hkey_current_user = InterlockedExchangePointer( (void **)&special_root_keys[idx], NULL ); if (hkey_current_user) NtClose( hkey_current_user ); return ERROR_SUCCESS; } /****************************************************************************** * RegDeleteTreeW [ADVAPI32.@] * */ LSTATUS WINAPI RegDeleteTreeW( HKEY hkey, const WCHAR *subkey ) { static const WCHAR emptyW[] = {0}; DWORD name_size, max_name, max_subkey; WCHAR *name_buf = NULL; LONG ret; TRACE( "(%p, %s)\n", hkey, debugstr_w(subkey) ); if (subkey && *subkey) { ret = RegOpenKeyExW( hkey, subkey, 0, KEY_READ, &hkey ); if (ret) return ret; } ret = RegQueryInfoKeyW( hkey, NULL, NULL, NULL, NULL, &max_subkey, NULL, NULL, &max_name, NULL, NULL, NULL ); if (ret) goto cleanup; max_name = max( max_subkey, max_name ) + 1; if (!(name_buf = heap_alloc( max_name * sizeof(WCHAR) ))) { ret = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } /* Recursively delete subkeys */ for (;;) { name_size = max_name; ret = RegEnumKeyExW( hkey, 0, name_buf, &name_size, NULL, NULL, NULL, NULL ); if (ret == ERROR_NO_MORE_ITEMS) break; if (ret) goto cleanup; ret = RegDeleteTreeW( hkey, name_buf ); if (ret) goto cleanup; } /* Delete the key itself */ if (subkey && *subkey) { ret = RegDeleteKeyW( hkey, emptyW ); goto cleanup; } /* Delete values */ for (;;) { name_size = max_name; ret = RegEnumValueW( hkey, 0, name_buf, &name_size, NULL, NULL, NULL, NULL ); if (ret == ERROR_NO_MORE_ITEMS) break; if (ret) goto cleanup; ret = RegDeleteValueW( hkey, name_buf ); if (ret) goto cleanup; } ret = ERROR_SUCCESS; cleanup: heap_free( name_buf ); if (subkey && *subkey) RegCloseKey( hkey ); return ret; } /****************************************************************************** * RegDeleteTreeA [ADVAPI32.@] * */ LSTATUS WINAPI RegDeleteTreeA( HKEY hkey, const char *subkey ) { UNICODE_STRING subkeyW; LONG ret; if (subkey) RtlCreateUnicodeStringFromAsciiz( &subkeyW, subkey ); else subkeyW.Buffer = NULL; ret = RegDeleteTreeW( hkey, subkeyW.Buffer ); RtlFreeUnicodeString( &subkeyW ); return ret; } /****************************************************************************** * RegCopyTreeW [ADVAPI32.@] * */ LONG WINAPI RegCopyTreeW( HKEY hsrc, const WCHAR *subkey, HKEY hdst ) { DWORD name_size, max_name; DWORD value_size, max_value; DWORD max_subkey, i, type; WCHAR *name_buf = NULL; BYTE *value_buf = NULL; HKEY hkey; LONG ret; TRACE( "(%p, %s, %p)\n", hsrc, debugstr_w(subkey), hdst ); if (subkey) { ret = RegOpenKeyExW( hsrc, subkey, 0, KEY_READ, &hsrc ); if (ret) return ret; } ret = RegQueryInfoKeyW( hsrc, NULL, NULL, NULL, NULL, &max_subkey, NULL, NULL, &max_name, &max_value, NULL, NULL ); if (ret) goto cleanup; max_name = max( max_subkey, max_name ) + 1; if (!(name_buf = heap_alloc( max_name * sizeof(WCHAR) ))) { ret = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } if (!(value_buf = heap_alloc( max_value ))) { ret = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; } /* Copy values */ for (i = 0;; i++) { name_size = max_name; value_size = max_value; ret = RegEnumValueW( hsrc, i, name_buf, &name_size, NULL, &type, value_buf, &value_size ); if (ret == ERROR_NO_MORE_ITEMS) break; if (ret) goto cleanup; ret = RegSetValueExW( hdst, name_buf, 0, type, value_buf, value_size ); if (ret) goto cleanup; } /* Recursively copy subkeys */ for (i = 0;; i++) { name_size = max_name; ret = RegEnumKeyExW( hsrc, i, name_buf, &name_size, NULL, NULL, NULL, NULL ); if (ret == ERROR_NO_MORE_ITEMS) break; if (ret) goto cleanup; ret = RegCreateKeyExW( hdst, name_buf, 0, NULL, 0, KEY_WRITE, NULL, &hkey, NULL ); if (ret) goto cleanup; ret = RegCopyTreeW( hsrc, name_buf, hkey ); RegCloseKey( hkey ); if (ret) goto cleanup; } ret = ERROR_SUCCESS; cleanup: heap_free( name_buf ); heap_free( value_buf ); if (subkey) RegCloseKey( hsrc ); return ret; } /****************************************************************************** * RegCopyTreeA [ADVAPI32.@] * */ LONG WINAPI RegCopyTreeA( HKEY hsrc, const char *subkey, HKEY hdst ) { UNICODE_STRING subkeyW; LONG ret; if (subkey) RtlCreateUnicodeStringFromAsciiz( &subkeyW, subkey ); else subkeyW.Buffer = NULL; ret = RegCopyTreeW( hsrc, subkeyW.Buffer, hdst ); RtlFreeUnicodeString( &subkeyW ); return ret; } /****************************************************************************** * RegDisableReflectionKey [ADVAPI32.@] * */ LONG WINAPI RegDisableReflectionKey(HKEY base) { FIXME("%p: stub\n", base); return ERROR_SUCCESS; }