mirror of
git://source.winehq.org/git/wine.git
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706 lines
24 KiB
C
706 lines
24 KiB
C
/*
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* Registry management
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*
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* Copyright (C) 1999 Alexandre Julliard
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*
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* Based on misc/registry.c code
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* Copyright (C) 1996 Marcus Meissner
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* Copyright (C) 1998 Matthew Becker
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* Copyright (C) 1999 Sylvain St-Germain
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*
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* This file is concerned about handle management and interaction with the Wine server.
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* Registry file I/O is in misc/registry.c.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "winbase.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "wine/winbase16.h"
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#include "wine/unicode.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(reg);
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/* check if value type needs string conversion (Ansi<->Unicode) */
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static inline int is_string( DWORD type )
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{
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return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
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}
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/******************************************************************************
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* RegCreateKeyExA [ADVAPI32.@]
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*/
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DWORD WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class,
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DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
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LPHKEY retkey, LPDWORD dispos )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW, classW;
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ANSI_STRING nameA, classA;
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NTSTATUS status;
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if (reserved) return ERROR_INVALID_PARAMETER;
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if (!(access & KEY_ALL_ACCESS) || (access & ~KEY_ALL_ACCESS)) return ERROR_ACCESS_DENIED;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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RtlInitAnsiString( &classA, class );
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/* FIXME: should use Unicode buffer in TEB */
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if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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{
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if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE )))
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{
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status = NtCreateKey( retkey, access, &attr, 0, &classW, options, dispos );
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RtlFreeUnicodeString( &classW );
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}
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RtlFreeUnicodeString( &nameW );
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegCreateKeyA [ADVAPI32.@]
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*/
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DWORD WINAPI RegCreateKeyA( HKEY hkey, LPCSTR name, LPHKEY retkey )
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{
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return RegCreateKeyExA( hkey, name, 0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL, retkey, NULL );
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}
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/******************************************************************************
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* RegOpenKeyExA [ADVAPI32.@]
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*/
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DWORD WINAPI RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, LPHKEY retkey )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW;
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STRING nameA;
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NTSTATUS status;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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/* FIXME: should use Unicode buffer in TEB */
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if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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{
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status = NtOpenKey( retkey, access, &attr );
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RtlFreeUnicodeString( &nameW );
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegOpenKeyA [ADVAPI32.@]
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*/
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DWORD WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, LPHKEY retkey )
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{
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return RegOpenKeyExA( hkey, name, 0, KEY_ALL_ACCESS, retkey );
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}
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/******************************************************************************
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* RegEnumKeyExA [ADVAPI32.@]
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*/
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DWORD WINAPI RegEnumKeyExA( HKEY hkey, DWORD index, LPSTR name, LPDWORD name_len,
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LPDWORD reserved, LPSTR class, LPDWORD class_len, FILETIME *ft )
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{
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NTSTATUS status;
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char buffer[256], *buf_ptr = buffer;
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KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
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DWORD total_size;
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TRACE( "(0x%x,%ld,%p,%p(%ld),%p,%p,%p,%p)\n", hkey, index, name, name_len,
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name_len ? *name_len : -1, reserved, class, class_len, ft );
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if (reserved) return ERROR_INVALID_PARAMETER;
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status = NtEnumerateKey( hkey, index, KeyNodeInformation,
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buffer, sizeof(buffer), &total_size );
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while (status == STATUS_BUFFER_OVERFLOW)
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{
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/* retry with a dynamically allocated buffer */
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
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return ERROR_NOT_ENOUGH_MEMORY;
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info = (KEY_NODE_INFORMATION *)buf_ptr;
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status = NtEnumerateKey( hkey, index, KeyNodeInformation,
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buf_ptr, total_size, &total_size );
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}
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if (!status)
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{
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DWORD len, cls_len;
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RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
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RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr + info->ClassOffset),
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info->ClassLength );
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if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
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if (len >= *name_len || (class_len && (cls_len >= *class_len)))
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status = STATUS_BUFFER_OVERFLOW;
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else
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{
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*name_len = len;
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RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
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name[len] = 0;
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if (class_len)
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{
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*class_len = cls_len;
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if (class)
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{
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RtlUnicodeToMultiByteN( class, cls_len, NULL,
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(WCHAR *)(buf_ptr + info->ClassOffset),
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info->ClassLength );
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class[cls_len] = 0;
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}
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}
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}
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}
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegEnumKeyA [ADVAPI32.@]
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*/
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DWORD WINAPI RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
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{
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return RegEnumKeyExA( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
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}
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/******************************************************************************
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* RegQueryInfoKeyA [ADVAPI32.@]
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*/
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DWORD WINAPI RegQueryInfoKeyA( HKEY hkey, LPSTR class, LPDWORD class_len, LPDWORD reserved,
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LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class,
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LPDWORD values, LPDWORD max_value, LPDWORD max_data,
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LPDWORD security, FILETIME *modif )
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{
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NTSTATUS status;
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char buffer[256], *buf_ptr = buffer;
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KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer;
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DWORD total_size, len;
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TRACE( "(0x%x,%p,%ld,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0,
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reserved, subkeys, max_subkey, values, max_value, max_data, security, modif );
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if (class && !class_len && !(GetVersion() & 0x80000000 /*NT*/))
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return ERROR_INVALID_PARAMETER;
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status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
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if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
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if (class || class_len)
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{
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/* retry with a dynamically allocated buffer */
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while (status == STATUS_BUFFER_OVERFLOW)
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{
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
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return ERROR_NOT_ENOUGH_MEMORY;
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info = (KEY_FULL_INFORMATION *)buf_ptr;
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status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size );
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}
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if (status) goto done;
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RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength);
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if (class_len)
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{
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if (len + 1 > *class_len) status = STATUS_BUFFER_OVERFLOW;
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*class_len = len;
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}
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if (class && !status)
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{
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RtlUnicodeToMultiByteN( class, len, NULL, (WCHAR *)(buf_ptr + info->ClassOffset),
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info->ClassLength );
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class[len] = 0;
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}
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}
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else status = STATUS_SUCCESS;
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if (subkeys) *subkeys = info->SubKeys;
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if (max_subkey) *max_subkey = info->MaxNameLen;
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if (max_class) *max_class = info->MaxClassLen;
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if (values) *values = info->Values;
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if (max_value) *max_value = info->MaxValueNameLen;
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if (max_data) *max_data = info->MaxValueDataLen;
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if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
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done:
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegCloseKey [ADVAPI32.@]
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*
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* Releases the handle of the specified key
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*
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* PARAMS
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* hkey [I] Handle of key to close
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*
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* RETURNS
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* Success: ERROR_SUCCESS
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* Failure: Error code
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*/
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DWORD WINAPI RegCloseKey( HKEY hkey )
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{
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if (!hkey || hkey >= 0x80000000) return ERROR_SUCCESS;
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return RtlNtStatusToDosError( NtClose( hkey ) );
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}
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/******************************************************************************
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* RegDeleteKeyA [ADVAPI32.@]
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*/
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DWORD WINAPI RegDeleteKeyA( HKEY hkey, LPCSTR name )
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{
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DWORD ret;
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HKEY tmp;
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if (!name || !*name) return NtDeleteKey( hkey );
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if (!(ret = RegOpenKeyExA( hkey, name, 0, 0, &tmp )))
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{
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ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
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RegCloseKey( tmp );
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}
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return ret;
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}
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/******************************************************************************
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* RegSetValueExA [ADVAPI32.@]
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*/
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DWORD WINAPI RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
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CONST BYTE *data, DWORD count )
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{
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UNICODE_STRING nameW;
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ANSI_STRING nameA;
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WCHAR *dataW = NULL;
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NTSTATUS status;
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if (count && is_string(type))
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{
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/* if user forgot to count terminating null, add it (yes NT does this) */
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if (data[count-1] && !data[count]) count++;
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}
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if (is_string( type )) /* need to convert to Unicode */
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{
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DWORD lenW;
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RtlMultiByteToUnicodeSize( &lenW, data, count );
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if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
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RtlMultiByteToUnicodeN( dataW, lenW, NULL, data, count );
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count = lenW;
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data = (BYTE *)dataW;
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}
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RtlInitAnsiString( &nameA, name );
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/* FIXME: should use Unicode buffer in TEB */
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if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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{
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status = NtSetValueKey( hkey, &nameW, 0, type, data, count );
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RtlFreeUnicodeString( &nameW );
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}
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if (dataW) HeapFree( GetProcessHeap(), 0, dataW );
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegSetValueA [ADVAPI32.@]
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*/
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DWORD WINAPI RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
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{
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HKEY subkey = hkey;
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DWORD ret;
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TRACE("(0x%x,%s,%ld,%s,%ld)\n", hkey, debugstr_a(name), type, debugstr_a(data), count );
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if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
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if (name && name[0]) /* need to create the subkey */
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{
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if ((ret = RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
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}
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ret = RegSetValueExA( subkey, NULL, 0, REG_SZ, (LPBYTE)data, strlen(data)+1 );
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if (subkey != hkey) RegCloseKey( subkey );
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return ret;
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}
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/******************************************************************************
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* RegQueryValueExA [ADVAPI32.@]
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*
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* NOTES:
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* the documentation is wrong: if the buffer is too small it remains untouched
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*/
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DWORD WINAPI RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
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LPBYTE data, LPDWORD count )
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{
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NTSTATUS status;
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ANSI_STRING nameA;
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UNICODE_STRING nameW;
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DWORD total_size;
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char buffer[256], *buf_ptr = buffer;
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KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
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static const int info_size = info->Data - (UCHAR *)info;
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TRACE("(0x%x,%s,%p,%p,%p,%p=%ld)\n",
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hkey, debugstr_a(name), reserved, type, data, count, count ? *count : 0 );
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if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
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RtlInitAnsiString( &nameA, name );
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/* FIXME: should use Unicode buffer in TEB */
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if ((status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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return RtlNtStatusToDosError(status);
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status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
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buffer, sizeof(buffer), &total_size );
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if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
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/* we need to fetch the contents for a string type even if not requested,
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* because we need to compute the length of the ASCII string. */
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if (data || is_string(info->Type))
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{
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/* retry with a dynamically allocated buffer */
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while (status == STATUS_BUFFER_OVERFLOW)
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{
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
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{
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status = STATUS_NO_MEMORY;
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goto done;
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}
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info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
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status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
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buf_ptr, total_size, &total_size );
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}
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if (!status)
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{
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if (is_string(info->Type))
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{
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DWORD len = WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
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(total_size - info_size) /sizeof(WCHAR),
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NULL, 0, NULL, NULL );
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if (data && len)
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{
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if (len > *count) status = STATUS_BUFFER_OVERFLOW;
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else
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{
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WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
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(total_size - info_size) /sizeof(WCHAR),
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data, len, NULL, NULL );
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/* if the type is REG_SZ and data is not 0-terminated
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* and there is enough space in the buffer NT appends a \0 */
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if (len < *count && data[len-1]) data[len] = 0;
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}
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}
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total_size = len + info_size;
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}
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else if (data)
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{
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if (total_size - info_size > *count) status = STATUS_BUFFER_OVERFLOW;
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else memcpy( data, buf_ptr + info_size, total_size - info_size );
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}
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}
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else if (status != STATUS_BUFFER_OVERFLOW) goto done;
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}
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if (type) *type = info->Type;
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if (count) *count = total_size - info_size;
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done:
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if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
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RtlFreeUnicodeString( &nameW );
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return RtlNtStatusToDosError(status);
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}
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/******************************************************************************
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* RegQueryValueA [ADVAPI32.@]
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*/
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DWORD WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
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{
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DWORD ret;
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HKEY subkey = hkey;
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TRACE("(%x,%s,%p,%ld)\n", hkey, debugstr_a(name), data, count ? *count : 0 );
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if (name && name[0])
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{
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if ((ret = RegOpenKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
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}
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ret = RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, count );
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if (subkey != hkey) RegCloseKey( subkey );
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if (ret == ERROR_FILE_NOT_FOUND)
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{
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/* return empty string if default value not found */
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if (data) *data = 0;
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if (count) *count = 1;
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ret = ERROR_SUCCESS;
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}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumValueA [ADVAPI32.@]
|
|
*/
|
|
DWORD 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 = (char *)info->Name - (char *)info;
|
|
|
|
TRACE("(%x,%ld,%p,%p,%p,%p,%p,%p)\n",
|
|
hkey, index, value, val_count, reserved, type, data, count );
|
|
|
|
/* NT only checks count, not val_count */
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
|
|
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 );
|
|
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 (value || data || is_string(info->Type))
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, 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 (value)
|
|
{
|
|
DWORD len;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
|
|
if (len >= *val_count)
|
|
{
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
goto done;
|
|
}
|
|
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
|
|
value[len] = 0;
|
|
*val_count = len;
|
|
}
|
|
|
|
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;
|
|
goto done;
|
|
}
|
|
RtlUnicodeToMultiByteN( 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 );
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (type) *type = info->Type;
|
|
if (count) *count = info->DataLength;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError(status);
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* RegDeleteValueA [ADVAPI32.@]
|
|
*/
|
|
DWORD WINAPI RegDeleteValueA( HKEY hkey, LPCSTR name )
|
|
{
|
|
UNICODE_STRING nameW;
|
|
STRING nameA;
|
|
NTSTATUS status;
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
/* FIXME: should use Unicode buffer in TEB */
|
|
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
|
|
{
|
|
status = NtDeleteValueKey( hkey, &nameW );
|
|
RtlFreeUnicodeString( &nameW );
|
|
}
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegLoadKeyA [ADVAPI32.@]
|
|
*/
|
|
LONG WINAPI RegLoadKeyA( HKEY hkey, LPCSTR subkey, LPCSTR filename )
|
|
{
|
|
HANDLE file;
|
|
WCHAR buffer[MAX_PATH];
|
|
DWORD ret, len, err = GetLastError();
|
|
|
|
TRACE( "(%x,%s,%s)\n", hkey, debugstr_a(subkey), debugstr_a(filename) );
|
|
|
|
if (!filename || !*filename) return ERROR_INVALID_PARAMETER;
|
|
if (!subkey || !*subkey) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!(len = MultiByteToWideChar( CP_ACP, 0, subkey, strlen(subkey), buffer, MAX_PATH )))
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if ((file = CreateFileA( filename, GENERIC_READ, 0, NULL, OPEN_EXISTING,
|
|
FILE_ATTRIBUTE_NORMAL, 0 )) == INVALID_HANDLE_VALUE)
|
|
{
|
|
ret = GetLastError();
|
|
goto done;
|
|
}
|
|
|
|
SERVER_START_REQ( load_registry )
|
|
{
|
|
req->hkey = hkey;
|
|
req->file = file;
|
|
wine_server_add_data( req, buffer, len * sizeof(WCHAR) );
|
|
ret = RtlNtStatusToDosError( wine_server_call(req) );
|
|
}
|
|
SERVER_END_REQ;
|
|
CloseHandle( file );
|
|
|
|
done:
|
|
SetLastError( err ); /* restore the last error code */
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSaveKeyA [ADVAPI32.@]
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key where save begins
|
|
* lpFile [I] Address of filename to save to
|
|
* sa [I] Address of security structure
|
|
*/
|
|
LONG WINAPI RegSaveKeyA( HKEY hkey, LPCSTR file, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
char buffer[1024];
|
|
int count = 0;
|
|
LPSTR name;
|
|
DWORD ret, err;
|
|
HANDLE handle;
|
|
|
|
TRACE( "(%x,%s,%p)\n", hkey, debugstr_a(file), sa );
|
|
|
|
if (!file || !*file) return ERROR_INVALID_PARAMETER;
|
|
|
|
err = GetLastError();
|
|
GetFullPathNameA( file, sizeof(buffer), buffer, &name );
|
|
for (;;)
|
|
{
|
|
sprintf( name, "reg%04x.tmp", count++ );
|
|
handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
|
|
CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE) break;
|
|
if ((ret = GetLastError()) != ERROR_ALREADY_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", buffer, count);
|
|
}
|
|
|
|
SERVER_START_REQ( save_registry )
|
|
{
|
|
req->hkey = hkey;
|
|
req->file = handle;
|
|
ret = RtlNtStatusToDosError( wine_server_call( req ) );
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
CloseHandle( handle );
|
|
if (!ret)
|
|
{
|
|
if (!MoveFileExA( buffer, file, MOVEFILE_REPLACE_EXISTING ))
|
|
{
|
|
ERR( "Failed to move %s to %s\n", buffer, file );
|
|
ret = GetLastError();
|
|
}
|
|
}
|
|
if (ret) DeleteFileA( buffer );
|
|
|
|
done:
|
|
SetLastError( err ); /* restore last error code */
|
|
return ret;
|
|
}
|