/* * Registry functions * * Copyright (C) 1999 Juergen Schmied * Copyright (C) 2000 Alexandre Julliard * * NOTES: * HKEY_LOCAL_MACHINE \\REGISTRY\\MACHINE * HKEY_USERS \\REGISTRY\\USER * HKEY_CURRENT_CONFIG \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT * HKEY_CLASSES \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES */ #include #include "debugtools.h" #include "winreg.h" #include "winerror.h" #include "wine/unicode.h" #include "wine/server.h" #include "ntddk.h" #include "ntdll_misc.h" DEFAULT_DEBUG_CHANNEL(reg); /* maximum length of a key/value name in bytes (without terminating null) */ #define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR)) /****************************************************************************** * NtCreateKey [NTDLL.@] * ZwCreateKey [NTDLL.@] */ NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr, ULONG TitleIndex, const UNICODE_STRING *class, ULONG options, PULONG dispos ) { NTSTATUS ret; DWORD len = attr->ObjectName->Length; TRACE( "(0x%x,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName), debugstr_us(class), options, access, retkey ); if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW; len += sizeof(WCHAR); /* for storing name length */ if (class) { len += class->Length; if (len > REQUEST_MAX_VAR_SIZE) return STATUS_BUFFER_OVERFLOW; } if (!retkey) return STATUS_INVALID_PARAMETER; SERVER_START_VAR_REQ( create_key, len ) { WCHAR *data = server_data_ptr(req); req->parent = attr->RootDirectory; req->access = access; req->options = options; req->modif = 0; *data++ = attr->ObjectName->Length; memcpy( data, attr->ObjectName->Buffer, attr->ObjectName->Length ); if (class) memcpy( (char *)data + attr->ObjectName->Length, class->Buffer, class->Length ); if (!(ret = SERVER_CALL())) { *retkey = req->hkey; if (dispos) *dispos = req->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY; } } SERVER_END_VAR_REQ; TRACE("<- 0x%04x\n", *retkey); return ret; } /****************************************************************************** * NtOpenKey [NTDLL.@] * ZwOpenKey [NTDLL.@] * * OUT PHANDLE retkey (returns 0 when failure) * IN ACCESS_MASK access * IN POBJECT_ATTRIBUTES attr */ NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr ) { NTSTATUS ret; DWORD len = attr->ObjectName->Length; TRACE( "(0x%x,%s,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName), access, retkey ); if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW; if (!retkey) return STATUS_INVALID_PARAMETER; SERVER_START_VAR_REQ( open_key, len ) { req->parent = attr->RootDirectory; req->access = access; memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len ); ret = SERVER_CALL(); *retkey = req->hkey; } SERVER_END_VAR_REQ; TRACE("<- 0x%04x\n", *retkey); return ret; } /****************************************************************************** * NtDeleteKey [NTDLL.@] * ZwDeleteKey [NTDLL.@] */ NTSTATUS WINAPI NtDeleteKey( HANDLE hkey ) { NTSTATUS ret; TRACE( "(%x)\n", hkey ); SERVER_START_REQ( delete_key ) { req->hkey = hkey; ret = SERVER_CALL(); } SERVER_END_REQ; return ret; } /****************************************************************************** * NtDeleteValueKey [NTDLL.@] * ZwDeleteValueKey [NTDLL.@] */ NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name ) { NTSTATUS ret; TRACE( "(0x%x,%s)\n", hkey, debugstr_us(name) ); if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW; SERVER_START_VAR_REQ( delete_key_value, name->Length ) { req->hkey = hkey; memcpy( server_data_ptr(req), name->Buffer, name->Length ); ret = SERVER_CALL(); } SERVER_END_VAR_REQ; return ret; } /****************************************************************************** * fill_key_info * * Helper function for NtQueryKey and NtEnumerateKey */ static NTSTATUS fill_key_info( KEY_INFORMATION_CLASS info_class, void *info, DWORD length, DWORD *result_len, const struct enum_key_request *req ) { WCHAR *name_ptr = server_data_ptr(req); int name_size = *name_ptr++; WCHAR *class_ptr = (WCHAR *)((char *)name_ptr + name_size); int class_size = server_data_size(req) - sizeof(WCHAR) - name_size; int fixed_size; FILETIME modif; RtlSecondsSince1970ToTime( req->modif, &modif ); switch(info_class) { case KeyBasicInformation: { KEY_BASIC_INFORMATION keyinfo; fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name); keyinfo.LastWriteTime = modif; keyinfo.TitleIndex = 0; keyinfo.NameLength = name_size; memcpy( info, &keyinfo, min( length, fixed_size ) ); class_size = 0; } break; case KeyFullInformation: { KEY_FULL_INFORMATION keyinfo; fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Class); keyinfo.LastWriteTime = modif; keyinfo.TitleIndex = 0; keyinfo.ClassLength = class_size; keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1; keyinfo.SubKeys = req->subkeys; keyinfo.MaxNameLen = req->max_subkey; keyinfo.MaxClassLen = req->max_class; keyinfo.Values = req->values; keyinfo.MaxValueNameLen = req->max_value; keyinfo.MaxValueDataLen = req->max_data; memcpy( info, &keyinfo, min( length, fixed_size ) ); name_size = 0; } break; case KeyNodeInformation: { KEY_NODE_INFORMATION keyinfo; fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name); keyinfo.LastWriteTime = modif; keyinfo.TitleIndex = 0; keyinfo.ClassLength = class_size; keyinfo.ClassOffset = fixed_size + name_size; if (!keyinfo.ClassLength || keyinfo.ClassOffset > length) keyinfo.ClassOffset = -1; keyinfo.NameLength = name_size; memcpy( info, &keyinfo, min( length, fixed_size ) ); } break; default: FIXME("Information class not implemented\n"); return STATUS_INVALID_PARAMETER; } *result_len = fixed_size + name_size + class_size; if (length <= fixed_size) return STATUS_BUFFER_OVERFLOW; length -= fixed_size; /* copy the name */ if (name_size) { memcpy( (char *)info + fixed_size, name_ptr, min(length,name_size) ); if (length < name_size) return STATUS_BUFFER_OVERFLOW; length -= name_size; } /* copy the class */ if (class_size) { memcpy( (char *)info + fixed_size + name_size, class_ptr, min(length,class_size) ); if (length < class_size) return STATUS_BUFFER_OVERFLOW; } return STATUS_SUCCESS; } /****************************************************************************** * NtEnumerateKey [NTDLL.@] * ZwEnumerateKey [NTDLL.@] * * NOTES * the name copied into the buffer is NOT 0-terminated */ NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class, void *info, DWORD length, DWORD *result_len ) { NTSTATUS ret; /* -1 means query key, so avoid it here */ if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES; SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE ) { req->hkey = handle; req->index = index; req->full = (info_class == KeyFullInformation); if (!(ret = SERVER_CALL())) { ret = fill_key_info( info_class, info, length, result_len, req ); } } SERVER_END_VAR_REQ; return ret; } /****************************************************************************** * NtQueryKey [NTDLL.@] * ZwQueryKey [NTDLL.@] */ NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class, void *info, DWORD length, DWORD *result_len ) { NTSTATUS ret; SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE ) { req->hkey = handle; req->index = -1; req->full = (info_class == KeyFullInformation); if (!(ret = SERVER_CALL())) { ret = fill_key_info( info_class, info, length, result_len, req ); } } SERVER_END_VAR_REQ; return ret; } /* fill the key value info structure for a specific info class */ static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info, DWORD length, int type, int name_len, int data_len ) { switch(info_class) { case KeyValueBasicInformation: { KEY_VALUE_BASIC_INFORMATION keyinfo; keyinfo.TitleIndex = 0; keyinfo.Type = type; keyinfo.NameLength = name_len; length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) ); memcpy( info, &keyinfo, length ); break; } case KeyValueFullInformation: { KEY_VALUE_FULL_INFORMATION keyinfo; keyinfo.TitleIndex = 0; keyinfo.Type = type; keyinfo.DataOffset = sizeof(keyinfo) - sizeof(keyinfo.Name) + name_len; keyinfo.DataLength = data_len; keyinfo.NameLength = name_len; length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) ); memcpy( info, &keyinfo, length ); break; } case KeyValuePartialInformation: { KEY_VALUE_PARTIAL_INFORMATION keyinfo; keyinfo.TitleIndex = 0; keyinfo.Type = type; keyinfo.DataLength = data_len; length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Data) ); memcpy( info, &keyinfo, length ); break; } default: break; } } /****************************************************************************** * NtEnumerateValueKey [NTDLL.@] * ZwEnumerateValueKey [NTDLL.@] */ NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index, KEY_VALUE_INFORMATION_CLASS info_class, void *info, DWORD length, DWORD *result_len ) { NTSTATUS ret; char *data_ptr, *name_ptr; int fixed_size = 0, name_len = 0, data_len = 0, offset = 0, type = 0, total_len = 0; TRACE( "(0x%x,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length ); /* compute the length we want to retrieve */ switch(info_class) { case KeyValueBasicInformation: fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR); name_ptr = (char *)info + fixed_size; data_ptr = NULL; break; case KeyValueFullInformation: fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR); name_ptr = data_ptr = (char *)info + fixed_size; break; case KeyValuePartialInformation: fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR); name_ptr = NULL; data_ptr = (char *)info + fixed_size; break; default: FIXME( "Information class %d not implemented\n", info_class ); return STATUS_INVALID_PARAMETER; } if (length > fixed_size) data_len = length - fixed_size; do { size_t reqlen = data_len + sizeof(WCHAR); if (name_ptr && !offset) reqlen += MAX_PATH*sizeof(WCHAR); reqlen = min( reqlen, REQUEST_MAX_VAR_SIZE ); SERVER_START_VAR_REQ( enum_key_value, reqlen ) { req->hkey = handle; req->index = index; req->offset = offset; if (!(ret = SERVER_CALL())) { size_t size = server_data_size(req) - sizeof(WCHAR); WCHAR *name = server_data_ptr(req); if (!offset) /* name is only present on the first request */ { name_len = *name++; size -= name_len; if (name_ptr) { if (name_len > data_len) /* overflow */ { memcpy( name_ptr, name, data_len ); data_len = 0; ret = STATUS_BUFFER_OVERFLOW; } else { memcpy( name_ptr, name, name_len ); data_len -= name_len; if (data_ptr) data_ptr += name_len; } } name += name_len / sizeof(WCHAR); } else name++; /* skip 0 length */ if (data_ptr) { size = min( size, data_len ); memcpy( data_ptr + offset, name, size ); offset += size; data_len -= size; } type = req->type; total_len = req->len; } } SERVER_END_VAR_REQ; if (ret) return ret; } while (data_len && data_ptr && offset < total_len); *result_len = total_len + fixed_size + (name_ptr ? name_len : 0); if (data_ptr && offset < total_len) ret = STATUS_BUFFER_OVERFLOW; if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW; copy_key_value_info( info_class, info, length, type, name_len, total_len ); return ret; } /****************************************************************************** * NtQueryValueKey [NTDLL.@] * ZwQueryValueKey [NTDLL.@] * * NOTES * the name in the KeyValueInformation is never set */ NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name, KEY_VALUE_INFORMATION_CLASS info_class, void *info, DWORD length, DWORD *result_len ) { NTSTATUS ret; char *data_ptr; int fixed_size = 0, data_len = 0, offset = 0, type = 0, total_len = 0; TRACE( "(0x%x,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length ); if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW; /* compute the length we want to retrieve */ switch(info_class) { case KeyValueBasicInformation: fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR); data_ptr = NULL; break; case KeyValueFullInformation: fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR); data_ptr = (char *)info + fixed_size; break; case KeyValuePartialInformation: fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR); data_ptr = (char *)info + fixed_size; break; default: FIXME( "Information class %d not implemented\n", info_class ); return STATUS_INVALID_PARAMETER; } if (data_ptr && length > fixed_size) data_len = length - fixed_size; do { size_t reqlen = min( data_len, REQUEST_MAX_VAR_SIZE ); reqlen = max( reqlen, name->Length + sizeof(WCHAR) ); SERVER_START_VAR_REQ( get_key_value, reqlen ) { WCHAR *nameptr = server_data_ptr(req); req->hkey = handle; req->offset = offset; *nameptr++ = name->Length; memcpy( nameptr, name->Buffer, name->Length ); if (!(ret = SERVER_CALL())) { size_t size = min( server_data_size(req), data_len ); type = req->type; total_len = req->len; if (size) { memcpy( data_ptr + offset, server_data_ptr(req), size ); offset += size; data_len -= size; } } } SERVER_END_VAR_REQ; if (ret) return ret; } while (data_len && offset < total_len); *result_len = total_len + fixed_size; if (offset < total_len) ret = STATUS_BUFFER_OVERFLOW; if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW; copy_key_value_info( info_class, info, length, type, 0, total_len ); return ret; } /****************************************************************************** * NtFlushKey [NTDLL.@] * ZwFlushKey [NTDLL.@] */ NTSTATUS WINAPI NtFlushKey(HANDLE KeyHandle) { FIXME("(0x%08x) stub!\n", KeyHandle); return 1; } /****************************************************************************** * NtLoadKey [NTDLL.@] * ZwLoadKey [NTDLL.@] */ NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, const OBJECT_ATTRIBUTES *file ) { FIXME("stub!\n"); dump_ObjectAttributes(attr); dump_ObjectAttributes(file); return STATUS_SUCCESS; } /****************************************************************************** * NtNotifyChangeKey [NTDLL.@] * ZwNotifyChangeKey [NTDLL.@] */ NTSTATUS WINAPI NtNotifyChangeKey( IN HANDLE KeyHandle, IN HANDLE Event, IN PIO_APC_ROUTINE ApcRoutine OPTIONAL, IN PVOID ApcContext OPTIONAL, OUT PIO_STATUS_BLOCK IoStatusBlock, IN ULONG CompletionFilter, IN BOOLEAN Asynchroneous, OUT PVOID ChangeBuffer, IN ULONG Length, IN BOOLEAN WatchSubtree) { FIXME("(0x%08x,0x%08x,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x) stub!\n", KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter, Asynchroneous, ChangeBuffer, Length, WatchSubtree); return STATUS_SUCCESS; } /****************************************************************************** * NtQueryMultipleValueKey [NTDLL] * ZwQueryMultipleValueKey */ NTSTATUS WINAPI NtQueryMultipleValueKey( HANDLE KeyHandle, PVALENTW ListOfValuesToQuery, ULONG NumberOfItems, PVOID MultipleValueInformation, ULONG Length, PULONG ReturnLength) { FIXME("(0x%08x,%p,0x%08lx,%p,0x%08lx,%p) stub!\n", KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation, Length,ReturnLength); return STATUS_SUCCESS; } /****************************************************************************** * NtReplaceKey [NTDLL.@] * ZwReplaceKey [NTDLL.@] */ NTSTATUS WINAPI NtReplaceKey( IN POBJECT_ATTRIBUTES ObjectAttributes, IN HANDLE Key, IN POBJECT_ATTRIBUTES ReplacedObjectAttributes) { FIXME("(0x%08x),stub!\n", Key); dump_ObjectAttributes(ObjectAttributes); dump_ObjectAttributes(ReplacedObjectAttributes); return STATUS_SUCCESS; } /****************************************************************************** * NtRestoreKey [NTDLL.@] * ZwRestoreKey [NTDLL.@] */ NTSTATUS WINAPI NtRestoreKey( HANDLE KeyHandle, HANDLE FileHandle, ULONG RestoreFlags) { FIXME("(0x%08x,0x%08x,0x%08lx) stub\n", KeyHandle, FileHandle, RestoreFlags); return STATUS_SUCCESS; } /****************************************************************************** * NtSaveKey [NTDLL.@] * ZwSaveKey [NTDLL.@] */ NTSTATUS WINAPI NtSaveKey( IN HANDLE KeyHandle, IN HANDLE FileHandle) { FIXME("(0x%08x,0x%08x) stub\n", KeyHandle, FileHandle); return STATUS_SUCCESS; } /****************************************************************************** * NtSetInformationKey [NTDLL.@] * ZwSetInformationKey [NTDLL.@] */ NTSTATUS WINAPI NtSetInformationKey( IN HANDLE KeyHandle, IN const int KeyInformationClass, IN PVOID KeyInformation, IN ULONG KeyInformationLength) { FIXME("(0x%08x,0x%08x,%p,0x%08lx) stub\n", KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength); return STATUS_SUCCESS; } /****************************************************************************** * NtSetValueKey [NTDLL.@] * ZwSetValueKey [NTDLL.@] * * NOTES * win95 does not care about count for REG_SZ and finds out the len by itself (js) * NT does definitely care (aj) */ NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex, ULONG type, const void *data, ULONG count ) { NTSTATUS ret; ULONG namelen, pos; TRACE( "(0x%x,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count ); if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW; namelen = name->Length + sizeof(WCHAR); /* for storing length */ pos = 0; do { ULONG len = count - pos; if (len > REQUEST_MAX_VAR_SIZE - namelen) len = REQUEST_MAX_VAR_SIZE - namelen; SERVER_START_VAR_REQ( set_key_value, namelen + len ) { WCHAR *name_ptr = server_data_ptr(req); req->hkey = hkey; req->type = type; req->total = count; req->offset = pos; *name_ptr++ = name->Length; memcpy( name_ptr, name->Buffer, name->Length ); memcpy( (char *)name_ptr + name->Length, (char *)data + pos, len ); pos += len; ret = SERVER_CALL(); } SERVER_END_VAR_REQ; } while (!ret && pos < count); return ret; } /****************************************************************************** * NtUnloadKey [NTDLL.@] * ZwUnloadKey [NTDLL.@] */ NTSTATUS WINAPI NtUnloadKey( IN HANDLE KeyHandle) { FIXME("(0x%08x) stub\n", KeyHandle); return STATUS_SUCCESS; } /****************************************************************************** * RtlFormatCurrentUserKeyPath [NTDLL.@] */ NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath) { /* LPSTR Path = "\\REGISTRY\\USER\\S-1-5-21-0000000000-000000000-0000000000-500";*/ LPSTR Path = "\\REGISTRY\\USER\\.DEFAULT"; ANSI_STRING AnsiPath; FIXME("(%p) stub\n",KeyPath); RtlInitAnsiString(&AnsiPath, Path); return RtlAnsiStringToUnicodeString(KeyPath, &AnsiPath, TRUE); } /****************************************************************************** * RtlOpenCurrentUser [NTDLL.@] * * if we return just HKEY_CURRENT_USER the advapi try's to find a remote * registry (odd handle) and fails * */ DWORD WINAPI RtlOpenCurrentUser( IN ACCESS_MASK DesiredAccess, /* [in] */ OUT PHANDLE KeyHandle) /* [out] handle of HKEY_CURRENT_USER */ { OBJECT_ATTRIBUTES ObjectAttributes; UNICODE_STRING ObjectName; NTSTATUS ret; TRACE("(0x%08lx, %p) stub\n",DesiredAccess, KeyHandle); RtlFormatCurrentUserKeyPath(&ObjectName); InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL); ret = NtOpenKey(KeyHandle, DesiredAccess, &ObjectAttributes); RtlFreeUnicodeString(&ObjectName); return ret; }