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wine/dlls/advapi32/registry.c
Alexandre Julliard f2ef2c2bb2 Handle special registry root keys directly in advapi32, and avoid 
using them in kernel and ntdll.
2002-09-13 21:42:28 +00:00

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/*
* 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 file is concerned about handle management and interaction with the Wine server.
* Registry file I/O is in misc/registry.c.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include "winbase.h"
#include "winreg.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "heap.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/* allowed bits for access mask */
#define KEY_ACCESS_MASK (KEY_ALL_ACCESS | MAXIMUM_ALLOWED)
#define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT
#define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA
#define NB_SPECIAL_ROOT_KEYS ((UINT)HKEY_SPECIAL_ROOT_LAST - (UINT)HKEY_SPECIAL_ROOT_FIRST + 1)
static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS];
static const WCHAR name_CLASSES_ROOT[] =
{'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[] =
{'M','a','c','h','i','n','e',0};
static const WCHAR name_USERS[] =
{'U','s','e','r',0};
static const WCHAR name_PERFORMANCE_DATA[] =
{'P','e','r','f','D','a','t','a',0};
static const WCHAR name_CURRENT_CONFIG[] =
{'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[] =
{'D','y','n','D','a','t','a',0};
#define DECL_STR(key) { sizeof(name_##key)-sizeof(WCHAR), sizeof(name_##key), (LPWSTR)name_##key }
static UNICODE_STRING root_key_names[NB_SPECIAL_ROOT_KEYS] =
{
DECL_STR(CLASSES_ROOT),
{ 0, 0, NULL }, /* HKEY_CURRENT_USER is determined dynamically */
DECL_STR(LOCAL_MACHINE),
DECL_STR(USERS),
DECL_STR(PERFORMANCE_DATA),
DECL_STR(CURRENT_CONFIG),
DECL_STR(DYN_DATA)
};
#undef DECL_STR
/* check if value type needs string conversion (Ansi<->Unicode) */
inline static int is_string( DWORD type )
{
return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
}
/* check if current version is NT or Win95 */
inline static int is_version_nt(void)
{
return !(GetVersion() & 0x80000000);
}
/* create one of the HKEY_* special root keys */
static HKEY create_special_root_hkey( HKEY hkey, DWORD access )
{
HKEY ret = 0;
int idx = (UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST;
if (hkey == HKEY_CURRENT_USER)
{
if (RtlOpenCurrentUser( access, &hkey )) return 0;
TRACE( "HKEY_CURRENT_USER -> %08x\n", hkey );
}
else
{
OBJECT_ATTRIBUTES attr;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &root_key_names[idx];
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (NtCreateKey( &hkey, access, &attr, 0, NULL, 0, NULL )) return 0;
TRACE( "%s -> %08x\n", debugstr_w(attr.ObjectName->Buffer), hkey );
}
if (!(ret = InterlockedCompareExchange( (PLONG)&special_root_keys[idx], hkey, 0 )))
ret = hkey;
else
NtClose( hkey ); /* somebody beat us to it */
return ret;
}
/* map the hkey from special root to normal key if necessary */
inline static HKEY get_special_root_hkey( HKEY hkey )
{
HKEY ret = hkey;
if ((hkey >= HKEY_SPECIAL_ROOT_FIRST) && (hkey <= HKEY_SPECIAL_ROOT_LAST))
{
if (!(ret = special_root_keys[(UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST]))
ret = create_special_root_hkey( hkey, KEY_ALL_ACCESS );
}
return ret;
}
/******************************************************************************
* RegCreateKeyExW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle of an open key
* name [I] Address of subkey name
* reserved [I] Reserved - must be 0
* class [I] Address of class string
* options [I] Special options flag
* access [I] Desired security access
* sa [I] Address of key security structure
* retkey [O] Address of buffer for opened handle
* dispos [O] Receives REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY
*
* NOTES
* in case of failing retkey remains untouched
*
* FIXME MAXIMUM_ALLOWED in access mask not supported by server
*/
DWORD WINAPI RegCreateKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, LPWSTR class,
DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
LPHKEY retkey, LPDWORD dispos )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, classW;
if (reserved) return ERROR_INVALID_PARAMETER;
if (!(access & KEY_ACCESS_MASK) || (access & ~KEY_ACCESS_MASK)) return ERROR_ACCESS_DENIED;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, name );
RtlInitUnicodeString( &classW, class );
return RtlNtStatusToDosError( NtCreateKey( retkey, access, &attr, 0,
&classW, options, dispos ) );
}
/******************************************************************************
* RegCreateKeyExA [ADVAPI32.@]
*
* FIXME MAXIMUM_ALLOWED in access mask not supported by server
*/
DWORD WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class,
DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
LPHKEY 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 = KEY_ALL_ACCESS; /* Win95 ignores the access mask */
else if (!(access & KEY_ACCESS_MASK) || (access & ~KEY_ACCESS_MASK)) return ERROR_ACCESS_DENIED;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitAnsiString( &nameA, name );
RtlInitAnsiString( &classA, class );
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
&nameA, FALSE )))
{
if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE )))
{
status = NtCreateKey( retkey, access, &attr, 0, &classW, options, dispos );
RtlFreeUnicodeString( &classW );
}
}
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegCreateKeyW [ADVAPI32.@]
*/
DWORD WINAPI RegCreateKeyW( HKEY hkey, LPCWSTR name, LPHKEY retkey )
{
/* 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, name, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, retkey, NULL );
}
/******************************************************************************
* RegCreateKeyA [ADVAPI32.@]
*/
DWORD WINAPI RegCreateKeyA( HKEY hkey, LPCSTR name, LPHKEY retkey )
{
return RegCreateKeyExA( hkey, name, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, retkey, NULL );
}
/******************************************************************************
* RegOpenKeyExW [ADVAPI32.@]
*
* Opens the specified key
*
* Unlike RegCreateKeyEx, this does not create the key if it does not exist.
*
* PARAMS
* hkey [I] Handle of open key
* name [I] Name of subkey to open
* reserved [I] Reserved - must be zero
* access [I] Security access mask
* retkey [O] Handle to open key
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*
* NOTES
* in case of failing is retkey = 0
*/
DWORD WINAPI RegOpenKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, REGSAM access, LPHKEY retkey )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, name );
return RtlNtStatusToDosError( NtOpenKey( retkey, access, &attr ) );
}
/******************************************************************************
* RegOpenKeyExA [ADVAPI32.@]
*/
DWORD WINAPI RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, LPHKEY retkey )
{
OBJECT_ATTRIBUTES attr;
STRING nameA;
NTSTATUS status;
if (!is_version_nt()) access = KEY_ALL_ACCESS; /* Win95 ignores the access mask */
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
&nameA, FALSE )))
{
status = NtOpenKey( retkey, access, &attr );
}
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegOpenKeyW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle of open key
* name [I] Address of name of subkey to open
* retkey [O] Handle to open key
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*
* NOTES
* in case of failing is retkey = 0
*/
DWORD WINAPI RegOpenKeyW( HKEY hkey, LPCWSTR name, LPHKEY retkey )
{
return RegOpenKeyExW( hkey, name, 0, KEY_ALL_ACCESS, retkey );
}
/******************************************************************************
* RegOpenKeyA [ADVAPI32.@]
*/
DWORD WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, LPHKEY retkey )
{
return RegOpenKeyExA( hkey, name, 0, KEY_ALL_ACCESS, retkey );
}
/******************************************************************************
* RegOpenCurrentUser [ADVAPI32.@]
* 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.
*/
DWORD WINAPI RegOpenCurrentUser( REGSAM access, PHKEY retkey )
{
return RegOpenKeyExA( HKEY_CURRENT_USER, "", 0, access, retkey );
}
/******************************************************************************
* RegEnumKeyExW [ADVAPI32.@]
*
* 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
*/
DWORD 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( "(0x%x,%ld,%p,%p(%ld),%p,%p,%p,%p)\n", hkey, index, name, name_len,
name_len ? *name_len : -1, reserved, class, class_len, ft );
if (reserved) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegEnumKeyExA [ADVAPI32.@]
*/
DWORD 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( "(0x%x,%ld,%p,%p(%ld),%p,%p,%p,%p)\n", hkey, index, name, name_len,
name_len ? *name_len : -1, reserved, class, class_len, ft );
if (reserved) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegEnumKeyW [ADVAPI32.@]
*/
DWORD WINAPI RegEnumKeyW( HKEY hkey, DWORD index, LPWSTR name, DWORD name_len )
{
return RegEnumKeyExW( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
}
/******************************************************************************
* RegEnumKeyA [ADVAPI32.@]
*/
DWORD WINAPI RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
{
return RegEnumKeyExA( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
}
/******************************************************************************
* RegQueryInfoKeyW [ADVAPI32.@]
*
* 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
*
* - 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)
*/
DWORD 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( "(0x%x,%p,%ld,%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 ))) return ERROR_INVALID_HANDLE;
status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
if (class)
{
/* 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_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_OVERFLOW;
}
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;
if (max_class) *max_class = info->MaxClassLen;
if (values) *values = info->Values;
if (max_value) *max_value = info->MaxValueNameLen;
if (max_data) *max_data = info->MaxValueDataLen;
if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
done:
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegQueryMultipleValuesA [ADVAPI32.@]
*/
DWORD WINAPI RegQueryMultipleValuesA(HKEY hkey, PVALENTA val_list, DWORD num_vals,
LPSTR lpValueBuf, LPDWORD ldwTotsize)
{
int i;
DWORD maxBytes = *ldwTotsize;
HRESULT status;
LPSTR bufptr = lpValueBuf;
*ldwTotsize = 0;
TRACE("(%x,%p,%ld,%p,%p=%ld)\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,
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.@]
*/
DWORD WINAPI RegQueryMultipleValuesW(HKEY hkey, PVALENTW val_list, DWORD num_vals,
LPWSTR lpValueBuf, LPDWORD ldwTotsize)
{
int i;
DWORD maxBytes = *ldwTotsize;
HRESULT status;
LPSTR bufptr = (LPSTR)lpValueBuf;
*ldwTotsize = 0;
TRACE("(%x,%p,%ld,%p,%p=%ld)\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,
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.@]
*/
DWORD 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( "(0x%x,%p,%ld,%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 ))) 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, 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;
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength);
if (class_len)
{
if (len + 1 > *class_len) status = STATUS_BUFFER_OVERFLOW;
*class_len = len;
}
if (class && !status)
{
RtlUnicodeToMultiByteN( class, len, NULL, (WCHAR *)(buf_ptr + info->ClassOffset),
info->ClassLength );
class[len] = 0;
}
}
else status = STATUS_SUCCESS;
if (subkeys) *subkeys = info->SubKeys;
if (max_subkey) *max_subkey = info->MaxNameLen;
if (max_class) *max_class = info->MaxClassLen;
if (values) *values = info->Values;
if (max_value) *max_value = info->MaxValueNameLen;
if (max_data) *max_data = info->MaxValueDataLen;
if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
done:
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegCloseKey [ADVAPI32.@]
*
* Releases the handle of the specified key
*
* PARAMS
* hkey [I] Handle of key to close
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*/
DWORD WINAPI RegCloseKey( HKEY hkey )
{
if (!hkey || hkey >= (HKEY)0x80000000) return ERROR_SUCCESS;
return RtlNtStatusToDosError( NtClose( hkey ) );
}
/******************************************************************************
* RegDeleteKeyW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle to open key
* name [I] Name of subkey to delete
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*/
DWORD WINAPI RegDeleteKeyW( HKEY hkey, LPCWSTR name )
{
DWORD ret;
HKEY tmp;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
if (!name || !*name)
{
ret = RtlNtStatusToDosError( NtDeleteKey( hkey ) );
}
else if (!(ret = RegOpenKeyExW( hkey, name, 0, KEY_ENUMERATE_SUB_KEYS, &tmp )))
{
if (!is_version_nt()) /* win95 does recursive key deletes */
{
WCHAR name[MAX_PATH];
while(!RegEnumKeyW(tmp, 0, name, sizeof name))
{
if(RegDeleteKeyW(tmp, name)) /* recurse */
break;
}
}
ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
RegCloseKey( tmp );
}
TRACE("%s ret=%08lx\n", debugstr_w(name), ret);
return ret;
}
/******************************************************************************
* RegDeleteKeyA [ADVAPI32.@]
*/
DWORD WINAPI RegDeleteKeyA( HKEY hkey, LPCSTR name )
{
DWORD ret;
HKEY tmp;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
if (!name || !*name)
{
ret = RtlNtStatusToDosError( NtDeleteKey( hkey ) );
}
else if (!(ret = RegOpenKeyExA( hkey, name, 0, KEY_ENUMERATE_SUB_KEYS, &tmp )))
{
if (!is_version_nt()) /* win95 does recursive key deletes */
{
CHAR name[MAX_PATH];
while(!RegEnumKeyA(tmp, 0, name, sizeof name))
{
if(RegDeleteKeyA(tmp, name)) /* recurse */
break;
}
}
ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
RegCloseKey( tmp );
}
TRACE("%s ret=%08lx\n", debugstr_a(name), ret);
return ret;
}
/******************************************************************************
* RegSetValueExW [ADVAPI32.@]
*
* Sets the data and type of a value under a register key
*
* 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] Flag for value type
* data [I] Address of value data
* count [I] Size of value data
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*
* NOTES
* win95 does not care about count for REG_SZ and finds out the len by itself (js)
* NT does definitely care (aj)
*/
DWORD WINAPI RegSetValueExW( HKEY hkey, LPCWSTR name, DWORD reserved,
DWORD type, CONST BYTE *data, DWORD count )
{
UNICODE_STRING nameW;
if (!is_version_nt()) /* win95 */
{
if (type == REG_SZ) count = (strlenW( (WCHAR *)data ) + 1) * sizeof(WCHAR);
}
else 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 ))) return ERROR_INVALID_HANDLE;
RtlInitUnicodeString( &nameW, name );
return RtlNtStatusToDosError( NtSetValueKey( hkey, &nameW, 0, type, data, count ) );
}
/******************************************************************************
* RegSetValueExA [ADVAPI32.@]
*/
DWORD WINAPI RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
CONST BYTE *data, DWORD count )
{
ANSI_STRING nameA;
WCHAR *dataW = NULL;
NTSTATUS status;
if (!is_version_nt()) /* win95 */
{
if (type == REG_SZ) count = strlen(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 ))) return ERROR_INVALID_HANDLE;
if (is_string( type )) /* need to convert to Unicode */
{
DWORD lenW;
RtlMultiByteToUnicodeSize( &lenW, data, count );
if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
RtlMultiByteToUnicodeN( dataW, lenW, NULL, data, count );
count = lenW;
data = (BYTE *)dataW;
}
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
&nameA, FALSE )))
{
status = NtSetValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString, 0, type, data, count );
}
if (dataW) HeapFree( GetProcessHeap(), 0, dataW );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegSetValueW [ADVAPI32.@]
*/
DWORD WINAPI RegSetValueW( HKEY hkey, LPCWSTR name, DWORD type, LPCWSTR data, DWORD count )
{
HKEY subkey = hkey;
DWORD ret;
TRACE("(0x%x,%s,%ld,%s,%ld)\n", hkey, debugstr_w(name), type, debugstr_w(data), count );
if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
if (name && name[0]) /* need to create the subkey */
{
if ((ret = RegCreateKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
}
ret = RegSetValueExW( subkey, NULL, 0, REG_SZ, (LPBYTE)data,
(strlenW( data ) + 1) * sizeof(WCHAR) );
if (subkey != hkey) RegCloseKey( subkey );
return ret;
}
/******************************************************************************
* RegSetValueA [ADVAPI32.@]
*/
DWORD WINAPI RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
{
HKEY subkey = hkey;
DWORD ret;
TRACE("(0x%x,%s,%ld,%s,%ld)\n", hkey, debugstr_a(name), type, debugstr_a(data), count );
if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
if (name && name[0]) /* need to create the subkey */
{
if ((ret = RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
}
ret = RegSetValueExA( subkey, NULL, 0, REG_SZ, (LPBYTE)data, strlen(data)+1 );
if (subkey != hkey) RegCloseKey( subkey );
return ret;
}
/******************************************************************************
* RegQueryValueExW [ADVAPI32.@]
*
* Retrieves type and data for a specified name associated with an open key
*
* PARAMS
* hkey [I] Handle of key to query
* name [I] Name of value to query
* reserved [I] Reserved - must be NULL
* type [O] Address of buffer for value type. If NULL, the type
* is not required.
* data [O] Address of data buffer. If NULL, the actual data is
* not required.
* count [I/O] Address of data buffer size
*
* RETURNS
* ERROR_SUCCESS: Success
* ERROR_MORE_DATA: !!! if the specified buffer is not big enough to hold the data
* buffer is left untouched. The MS-documentation is wrong (js) !!!
*/
DWORD 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("(0x%x,%s,%p,%p,%p,%p=%ld)\n",
hkey, debugstr_w(name), reserved, type, data, count, count ? *count : 0 );
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
RtlInitUnicodeString( &name_str, name );
if (data) total_size = min( sizeof(buffer), *count + info_size );
else total_size = info_size;
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) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError(status);
}
/******************************************************************************
* RegQueryValueExA [ADVAPI32.@]
*
* NOTES:
* the documentation is wrong: if the buffer is too small it remains untouched
*/
DWORD WINAPI RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
LPBYTE data, LPDWORD count )
{
NTSTATUS status;
ANSI_STRING nameA;
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("(0x%x,%s,%p,%p,%p,%p=%ld)\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 ))) return ERROR_INVALID_HANDLE;
RtlInitAnsiString( &nameA, name );
if ((status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
&nameA, FALSE )))
return RtlNtStatusToDosError(status);
status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
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) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
{
status = STATUS_NO_MEMORY;
goto done;
}
info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
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 > *count) status = STATUS_BUFFER_OVERFLOW;
else
{
RtlUnicodeToMultiByteN( 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 < *count && data[len-1]) data[len] = 0;
}
}
total_size = len + info_size;
}
else if (data)
{
if (total_size - info_size > *count) 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) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError(status);
}
/******************************************************************************
* RegQueryValueW [ADVAPI32.@]
*/
DWORD WINAPI RegQueryValueW( HKEY hkey, LPCWSTR name, LPWSTR data, LPLONG count )
{
DWORD ret;
HKEY subkey = hkey;
TRACE("(%x,%s,%p,%ld)\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, 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;
}
/******************************************************************************
* RegQueryValueA [ADVAPI32.@]
*/
DWORD WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
{
DWORD ret;
HKEY subkey = hkey;
TRACE("(%x,%s,%p,%ld)\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, 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;
}
/******************************************************************************
* RegEnumValueW [ADVAPI32.@]
*
* 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)
*/
DWORD 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("(%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;
if (!(hkey = get_special_root_hkey( hkey ))) 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 );
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
if (value || data)
{
/* 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)
{
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;
}
}
}
else status = STATUS_SUCCESS;
overflow:
if (type) *type = info->Type;
if (count) *count = info->DataLength;
done:
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError(status);
}
/******************************************************************************
* 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 = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
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;
if (!(hkey = get_special_root_hkey( hkey ))) 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 );
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 (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( 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 (value && !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;
}
}
}
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);
}
/******************************************************************************
* RegDeleteValueW [ADVAPI32.@]
*
* PARAMS
* hkey [I] handle to key
* name [I] name of value to delete
*
* RETURNS
* error status
*/
DWORD WINAPI RegDeleteValueW( HKEY hkey, LPCWSTR name )
{
UNICODE_STRING nameW;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
RtlInitUnicodeString( &nameW, name );
return RtlNtStatusToDosError( NtDeleteValueKey( hkey, &nameW ) );
}
/******************************************************************************
* RegDeleteValueA [ADVAPI32.@]
*/
DWORD WINAPI RegDeleteValueA( HKEY hkey, LPCSTR name )
{
STRING nameA;
NTSTATUS status;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
&nameA, FALSE )))
status = NtDeleteValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* RegLoadKeyW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle of open key
* subkey [I] Address of name of subkey
* filename [I] Address of filename for registry information
*/
LONG WINAPI RegLoadKeyW( HKEY hkey, LPCWSTR subkey, LPCWSTR filename )
{
HANDLE file;
DWORD ret, len, err = GetLastError();
TRACE( "(%x,%s,%s)\n", hkey, debugstr_w(subkey), debugstr_w(filename) );
if (!filename || !*filename) return ERROR_INVALID_PARAMETER;
if (!subkey || !*subkey) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
len = strlenW( subkey ) * sizeof(WCHAR);
if (len > MAX_PATH*sizeof(WCHAR)) return ERROR_INVALID_PARAMETER;
if ((file = CreateFileW( 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, subkey, len );
ret = RtlNtStatusToDosError( wine_server_call(req) );
}
SERVER_END_REQ;
CloseHandle( file );
done:
SetLastError( err ); /* restore the last error code */
return ret;
}
/******************************************************************************
* RegLoadKeyA [ADVAPI32.@]
*/
LONG WINAPI RegLoadKeyA( HKEY hkey, LPCSTR subkey, LPCSTR filename )
{
WCHAR buffer[MAX_PATH];
HANDLE file;
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 (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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;
}
/******************************************************************************
* RegSaveKeyW [ADVAPI32.@]
*/
LONG WINAPI RegSaveKeyW( HKEY hkey, LPCWSTR file, LPSECURITY_ATTRIBUTES sa )
{
LPSTR fileA = HEAP_strdupWtoA( GetProcessHeap(), 0, file );
DWORD ret = RegSaveKeyA( hkey, fileA, sa );
if (fileA) HeapFree( GetProcessHeap(), 0, fileA );
return ret;
}
/******************************************************************************
* RegRestoreKeyW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle of key where restore begins
* lpFile [I] Address of filename containing saved tree
* dwFlags [I] Optional flags
*/
LONG WINAPI RegRestoreKeyW( HKEY hkey, LPCWSTR lpFile, DWORD dwFlags )
{
TRACE("(%x,%s,%ld)\n",hkey,debugstr_w(lpFile),dwFlags);
/* It seems to do this check before the hkey check */
if (!lpFile || !*lpFile)
return ERROR_INVALID_PARAMETER;
FIXME("(%x,%s,%ld): stub\n",hkey,debugstr_w(lpFile),dwFlags);
/* Check for file existence */
return ERROR_SUCCESS;
}
/******************************************************************************
* RegRestoreKeyA [ADVAPI32.@]
*/
LONG WINAPI RegRestoreKeyA( HKEY hkey, LPCSTR lpFile, DWORD dwFlags )
{
LPWSTR lpFileW = HEAP_strdupAtoW( GetProcessHeap(), 0, lpFile );
LONG ret = RegRestoreKeyW( hkey, lpFileW, dwFlags );
HeapFree( GetProcessHeap(), 0, lpFileW );
return ret;
}
/******************************************************************************
* RegUnLoadKeyW [ADVAPI32.@]
*
* PARAMS
* hkey [I] Handle of open key
* lpSubKey [I] Address of name of subkey to unload
*/
LONG WINAPI RegUnLoadKeyW( HKEY hkey, LPCWSTR lpSubKey )
{
FIXME("(%x,%s): stub\n",hkey, debugstr_w(lpSubKey));
return ERROR_SUCCESS;
}
/******************************************************************************
* RegUnLoadKeyA [ADVAPI32.@]
*/
LONG WINAPI RegUnLoadKeyA( HKEY hkey, LPCSTR lpSubKey )
{
LPWSTR lpSubKeyW = HEAP_strdupAtoW( GetProcessHeap(), 0, lpSubKey );
LONG ret = RegUnLoadKeyW( hkey, lpSubKeyW );
if(lpSubKeyW) HeapFree( GetProcessHeap(), 0, lpSubKeyW);
return ret;
}
/******************************************************************************
* RegReplaceKeyW [ADVAPI32.@]
*
* 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
*/
LONG WINAPI RegReplaceKeyW( HKEY hkey, LPCWSTR lpSubKey, LPCWSTR lpNewFile,
LPCWSTR lpOldFile )
{
FIXME("(%x,%s,%s,%s): stub\n", hkey, debugstr_w(lpSubKey),
debugstr_w(lpNewFile),debugstr_w(lpOldFile));
return ERROR_SUCCESS;
}
/******************************************************************************
* RegReplaceKeyA [ADVAPI32.@]
*/
LONG WINAPI RegReplaceKeyA( HKEY hkey, LPCSTR lpSubKey, LPCSTR lpNewFile,
LPCSTR lpOldFile )
{
LPWSTR lpSubKeyW = HEAP_strdupAtoW( GetProcessHeap(), 0, lpSubKey );
LPWSTR lpNewFileW = HEAP_strdupAtoW( GetProcessHeap(), 0, lpNewFile );
LPWSTR lpOldFileW = HEAP_strdupAtoW( GetProcessHeap(), 0, lpOldFile );
LONG ret = RegReplaceKeyW( hkey, lpSubKeyW, lpNewFileW, lpOldFileW );
HeapFree( GetProcessHeap(), 0, lpOldFileW );
HeapFree( GetProcessHeap(), 0, lpNewFileW );
HeapFree( GetProcessHeap(), 0, lpSubKeyW );
return ret;
}
/******************************************************************************
* RegSetKeySecurity [ADVAPI32.@]
*
* PARAMS
* hkey [I] Open handle of key to set
* SecurityInfo [I] Descriptor contents
* pSecurityDesc [I] Address of descriptor for key
*/
LONG WINAPI RegSetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInfo,
PSECURITY_DESCRIPTOR pSecurityDesc )
{
TRACE("(%x,%ld,%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;
FIXME(":(%x,%ld,%p): stub\n",hkey,SecurityInfo,pSecurityDesc);
return ERROR_SUCCESS;
}
/******************************************************************************
* RegGetKeySecurity [ADVAPI32.@]
* Retrieves a copy of security descriptor protecting the 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
*/
LONG WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR pSecurityDescriptor,
LPDWORD lpcbSecurityDescriptor )
{
TRACE("(%x,%ld,%p,%ld)\n",hkey,SecurityInformation,pSecurityDescriptor,
lpcbSecurityDescriptor?*lpcbSecurityDescriptor:0);
/* FIXME: Check for valid SecurityInformation values */
if (*lpcbSecurityDescriptor < sizeof(SECURITY_DESCRIPTOR))
return ERROR_INSUFFICIENT_BUFFER;
FIXME("(%x,%ld,%p,%ld): stub\n",hkey,SecurityInformation,
pSecurityDescriptor,lpcbSecurityDescriptor?*lpcbSecurityDescriptor:0);
/* Do not leave security descriptor filled with garbage */
RtlCreateSecurityDescriptor(pSecurityDescriptor, SECURITY_DESCRIPTOR_REVISION);
return ERROR_SUCCESS;
}
/******************************************************************************
* RegFlushKey [ADVAPI32.@]
* Immediately writes key to registry.
* Only returns after data has been written to disk.
*
* FIXME: does it really wait until data is written ?
*
* PARAMS
* hkey [I] Handle of key to write
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: Error code
*/
DWORD WINAPI RegFlushKey( HKEY hkey )
{
FIXME( "(%x): stub\n", hkey );
return ERROR_SUCCESS;
}
/******************************************************************************
* RegConnectRegistryW [ADVAPI32.@]
*
* PARAMS
* lpMachineName [I] Address of name of remote computer
* hHey [I] Predefined registry handle
* phkResult [I] Address of buffer for remote registry handle
*/
LONG WINAPI RegConnectRegistryW( LPCWSTR lpMachineName, HKEY hKey,
LPHKEY phkResult )
{
TRACE("(%s,%x,%p): stub\n",debugstr_w(lpMachineName),hKey,phkResult);
if (!lpMachineName || !*lpMachineName) {
/* Use the local machine name */
return RegOpenKeyA( hKey, "", phkResult );
}
FIXME("Cannot connect to %s\n",debugstr_w(lpMachineName));
return ERROR_BAD_NETPATH;
}
/******************************************************************************
* RegConnectRegistryA [ADVAPI32.@]
*/
LONG WINAPI RegConnectRegistryA( LPCSTR machine, HKEY hkey, LPHKEY reskey )
{
LPWSTR machineW = HEAP_strdupAtoW( GetProcessHeap(), 0, machine );
DWORD ret = RegConnectRegistryW( machineW, hkey, reskey );
HeapFree( GetProcessHeap(), 0, machineW );
return ret;
}
/******************************************************************************
* RegNotifyChangeKeyValue [ADVAPI32.@]
*
* 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
*/
LONG WINAPI RegNotifyChangeKeyValue( HKEY hkey, BOOL fWatchSubTree,
DWORD fdwNotifyFilter, HANDLE hEvent,
BOOL fAsync )
{
FIXME("(%x,%i,%ld,%x,%i): stub\n",hkey,fWatchSubTree,fdwNotifyFilter,
hEvent,fAsync);
return ERROR_SUCCESS;
}
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