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148120f21e
wine/dlls/ntdll/reg.c
Paul Vriens 2e3e74ebd0 ntdll: Fix possible TRACE crash.
2006-07-05 12:10:09 +02:00

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/*
* Registry functions
*
* Copyright (C) 1999 Juergen Schmied
* Copyright (C) 2000 Alexandre Julliard
* Copyright 2005 Ivan Leo Puoti, Laurent Pinchart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* NOTES:
* HKEY_LOCAL_MACHINE \\REGISTRY\\MACHINE
* HKEY_USERS \\REGISTRY\\USER
* HKEY_CURRENT_CONFIG \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT
* HKEY_CLASSES \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "wine/library.h"
#include "ntdll_misc.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/* maximum length of a key/value name in bytes (without terminating null) */
#define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
/******************************************************************************
* NtCreateKey [NTDLL.@]
* ZwCreateKey [NTDLL.@]
*/
NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
PULONG dispos )
{
NTSTATUS ret;
if (!retkey || !attr) return STATUS_ACCESS_VIOLATION;
if (attr->Length > sizeof(OBJECT_ATTRIBUTES)) return STATUS_INVALID_PARAMETER;
if (attr->ObjectName->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
TRACE( "(%p,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
debugstr_us(class), options, access, retkey );
SERVER_START_REQ( create_key )
{
req->parent = attr->RootDirectory;
req->access = access;
req->attributes = attr->Attributes;
req->options = options;
req->modif = 0;
req->namelen = attr->ObjectName->Length;
wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
if (class) wine_server_add_data( req, class->Buffer, class->Length );
if (!(ret = wine_server_call( req )))
{
*retkey = reply->hkey;
if (dispos) *dispos = reply->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
}
}
SERVER_END_REQ;
TRACE("<- %p\n", *retkey);
return ret;
}
/******************************************************************************
* RtlpNtCreateKey [NTDLL.@]
*
* See NtCreateKey.
*/
NTSTATUS WINAPI RtlpNtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
PULONG dispos )
{
OBJECT_ATTRIBUTES oa;
if (attr)
{
memcpy( &oa, attr, sizeof oa );
oa.Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
attr = &oa;
}
return NtCreateKey(retkey, access, attr, 0, NULL, 0, dispos);
}
/******************************************************************************
* NtOpenKey [NTDLL.@]
* ZwOpenKey [NTDLL.@]
*
* OUT HANDLE retkey (returns 0 when failure)
* IN ACCESS_MASK access
* IN POBJECT_ATTRIBUTES attr
*/
NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
{
NTSTATUS ret;
DWORD len = attr->ObjectName->Length;
TRACE( "(%p,%s,%lx,%p)\n", attr->RootDirectory,
debugstr_us(attr->ObjectName), access, retkey );
if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
if (!retkey) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ( open_key )
{
req->parent = attr->RootDirectory;
req->access = access;
req->attributes = attr->Attributes;
wine_server_add_data( req, attr->ObjectName->Buffer, len );
ret = wine_server_call( req );
*retkey = reply->hkey;
}
SERVER_END_REQ;
TRACE("<- %p\n", *retkey);
return ret;
}
/******************************************************************************
* RtlpNtOpenKey [NTDLL.@]
*
* See NtOpenKey.
*/
NTSTATUS WINAPI RtlpNtOpenKey( PHANDLE retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
{
if (attr)
attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
return NtOpenKey(retkey, access, attr);
}
/******************************************************************************
* NtDeleteKey [NTDLL.@]
* ZwDeleteKey [NTDLL.@]
*/
NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
{
NTSTATUS ret;
TRACE( "(%p)\n", hkey );
SERVER_START_REQ( delete_key )
{
req->hkey = hkey;
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* RtlpNtMakeTemporaryKey [NTDLL.@]
*
* See NtDeleteKey.
*/
NTSTATUS WINAPI RtlpNtMakeTemporaryKey( HANDLE hkey )
{
return NtDeleteKey(hkey);
}
/******************************************************************************
* NtDeleteValueKey [NTDLL.@]
* ZwDeleteValueKey [NTDLL.@]
*/
NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
{
NTSTATUS ret;
TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
SERVER_START_REQ( delete_key_value )
{
req->hkey = hkey;
wine_server_add_data( req, name->Buffer, name->Length );
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* enumerate_key
*
* Implementation of NtQueryKey and NtEnumerateKey
*/
static NTSTATUS enumerate_key( HANDLE handle, int index, KEY_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
void *data_ptr;
size_t fixed_size;
switch(info_class)
{
case KeyBasicInformation: data_ptr = ((KEY_BASIC_INFORMATION *)info)->Name; break;
case KeyFullInformation: data_ptr = ((KEY_FULL_INFORMATION *)info)->Class; break;
case KeyNodeInformation: data_ptr = ((KEY_NODE_INFORMATION *)info)->Name; break;
default:
FIXME( "Information class %d not implemented\n", info_class );
return STATUS_INVALID_PARAMETER;
}
fixed_size = (char *)data_ptr - (char *)info;
SERVER_START_REQ( enum_key )
{
req->hkey = handle;
req->index = index;
req->info_class = info_class;
if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
if (!(ret = wine_server_call( req )))
{
LARGE_INTEGER modif;
RtlSecondsSince1970ToTime( reply->modif, &modif );
switch(info_class)
{
case KeyBasicInformation:
{
KEY_BASIC_INFORMATION keyinfo;
fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.NameLength = reply->namelen;
memcpy( info, &keyinfo, min( length, fixed_size ) );
}
break;
case KeyFullInformation:
{
KEY_FULL_INFORMATION keyinfo;
fixed_size = (char *)keyinfo.Class - (char *)&keyinfo;
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.ClassLength = wine_server_reply_size(reply);
keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
keyinfo.SubKeys = reply->subkeys;
keyinfo.MaxNameLen = reply->max_subkey;
keyinfo.MaxClassLen = reply->max_class;
keyinfo.Values = reply->values;
keyinfo.MaxValueNameLen = reply->max_value;
keyinfo.MaxValueDataLen = reply->max_data;
memcpy( info, &keyinfo, min( length, fixed_size ) );
}
break;
case KeyNodeInformation:
{
KEY_NODE_INFORMATION keyinfo;
fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.ClassLength = max( 0, wine_server_reply_size(reply) - reply->namelen );
keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size + reply->namelen : -1;
keyinfo.NameLength = reply->namelen;
memcpy( info, &keyinfo, min( length, fixed_size ) );
}
break;
}
*result_len = fixed_size + reply->total;
if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtEnumerateKey [NTDLL.@]
* ZwEnumerateKey [NTDLL.@]
*
* NOTES
* the name copied into the buffer is NOT 0-terminated
*/
NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
/* -1 means query key, so avoid it here */
if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
return enumerate_key( handle, index, info_class, info, length, result_len );
}
/******************************************************************************
* RtlpNtEnumerateSubKey [NTDLL.@]
*
*/
NTSTATUS WINAPI RtlpNtEnumerateSubKey( HANDLE handle, UNICODE_STRING *out, ULONG index )
{
KEY_BASIC_INFORMATION *info;
DWORD dwLen, dwResultLen;
NTSTATUS ret;
if (out->Length)
{
dwLen = out->Length + sizeof(KEY_BASIC_INFORMATION);
info = (KEY_BASIC_INFORMATION*)RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
if (!info)
return STATUS_NO_MEMORY;
}
else
{
dwLen = 0;
info = NULL;
}
ret = NtEnumerateKey( handle, index, KeyBasicInformation, info, dwLen, &dwResultLen );
dwResultLen -= sizeof(KEY_BASIC_INFORMATION);
if (ret == STATUS_BUFFER_OVERFLOW)
out->Length = dwResultLen;
else if (!ret)
{
if (out->Length < info->NameLength)
{
out->Length = dwResultLen;
ret = STATUS_BUFFER_OVERFLOW;
}
else
{
out->Length = info->NameLength;
memcpy(out->Buffer, info->Name, info->NameLength);
}
}
RtlFreeHeap( GetProcessHeap(), 0, info );
return ret;
}
/******************************************************************************
* NtQueryKey [NTDLL.@]
* ZwQueryKey [NTDLL.@]
*/
NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
return enumerate_key( handle, -1, info_class, info, length, result_len );
}
/* fill the key value info structure for a specific info class */
static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
DWORD length, int type, int name_len, int data_len )
{
switch(info_class)
{
case KeyValueBasicInformation:
{
KEY_VALUE_BASIC_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.NameLength = name_len;
length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
memcpy( info, &keyinfo, length );
break;
}
case KeyValueFullInformation:
{
KEY_VALUE_FULL_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
keyinfo.DataLength = data_len;
keyinfo.NameLength = name_len;
length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
memcpy( info, &keyinfo, length );
break;
}
case KeyValuePartialInformation:
{
KEY_VALUE_PARTIAL_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.DataLength = data_len;
length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
memcpy( info, &keyinfo, length );
break;
}
default:
break;
}
}
/******************************************************************************
* NtEnumerateValueKey [NTDLL.@]
* ZwEnumerateValueKey [NTDLL.@]
*/
NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
KEY_VALUE_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
void *ptr;
size_t fixed_size;
TRACE( "(%p,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length );
/* compute the length we want to retrieve */
switch(info_class)
{
case KeyValueBasicInformation: ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name; break;
case KeyValueFullInformation: ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name; break;
case KeyValuePartialInformation: ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data; break;
default:
FIXME( "Information class %d not implemented\n", info_class );
return STATUS_INVALID_PARAMETER;
}
fixed_size = (char *)ptr - (char *)info;
SERVER_START_REQ( enum_key_value )
{
req->hkey = handle;
req->index = index;
req->info_class = info_class;
if (length > fixed_size) wine_server_set_reply( req, ptr, length - fixed_size );
if (!(ret = wine_server_call( req )))
{
copy_key_value_info( info_class, info, length, reply->type, reply->namelen,
wine_server_reply_size(reply) - reply->namelen );
*result_len = fixed_size + reply->total;
if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQueryValueKey [NTDLL.@]
* ZwQueryValueKey [NTDLL.@]
*
* NOTES
* the name in the KeyValueInformation is never set
*/
NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
KEY_VALUE_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
UCHAR *data_ptr;
unsigned int fixed_size = 0;
TRACE( "(%p,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
/* compute the length we want to retrieve */
switch(info_class)
{
case KeyValueBasicInformation:
fixed_size = (char *)((KEY_VALUE_BASIC_INFORMATION *)info)->Name - (char *)info;
data_ptr = NULL;
break;
case KeyValueFullInformation:
data_ptr = (UCHAR *)((KEY_VALUE_FULL_INFORMATION *)info)->Name;
fixed_size = (char *)data_ptr - (char *)info;
break;
case KeyValuePartialInformation:
data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
fixed_size = (char *)data_ptr - (char *)info;
break;
default:
FIXME( "Information class %d not implemented\n", info_class );
return STATUS_INVALID_PARAMETER;
}
SERVER_START_REQ( get_key_value )
{
req->hkey = handle;
wine_server_add_data( req, name->Buffer, name->Length );
if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
if (!(ret = wine_server_call( req )))
{
copy_key_value_info( info_class, info, length, reply->type,
0, wine_server_reply_size(reply) );
*result_len = fixed_size + reply->total;
if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* RtlpNtQueryValueKey [NTDLL.@]
*
*/
NTSTATUS WINAPI RtlpNtQueryValueKey( HANDLE handle, ULONG *result_type, PBYTE dest,
DWORD *result_len )
{
KEY_VALUE_PARTIAL_INFORMATION *info;
UNICODE_STRING name;
NTSTATUS ret;
DWORD dwResultLen;
DWORD dwLen = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + result_len ? *result_len : 0;
info = (KEY_VALUE_PARTIAL_INFORMATION*)RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
if (!info)
return STATUS_NO_MEMORY;
name.Length = 0;
ret = NtQueryValueKey( handle, &name, KeyValuePartialInformation, info, dwLen, &dwResultLen );
if (!ret || ret == STATUS_BUFFER_OVERFLOW)
{
if (result_len)
*result_len = info->DataLength;
if (result_type)
*result_type = info->Type;
if (ret != STATUS_BUFFER_OVERFLOW)
memcpy( dest, info->Data, info->DataLength );
}
RtlFreeHeap( GetProcessHeap(), 0, info );
return ret;
}
/******************************************************************************
* NtFlushKey [NTDLL.@]
* ZwFlushKey [NTDLL.@]
*/
NTSTATUS WINAPI NtFlushKey(HANDLE key)
{
NTSTATUS ret;
TRACE("key=%p\n", key);
SERVER_START_REQ( flush_key )
{
req->hkey = key;
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtLoadKey [NTDLL.@]
* ZwLoadKey [NTDLL.@]
*/
NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file )
{
NTSTATUS ret;
HANDLE hive;
IO_STATUS_BLOCK io;
TRACE("(%p,%p)\n", attr, file);
ret = NtCreateFile(&hive, GENERIC_READ, file, &io, NULL, FILE_ATTRIBUTE_NORMAL, 0,
FILE_OPEN, 0, NULL, 0);
if (ret) return ret;
SERVER_START_REQ( load_registry )
{
req->hkey = attr->RootDirectory;
req->file = hive;
wine_server_add_data(req, attr->ObjectName->Buffer, attr->ObjectName->Length);
ret = wine_server_call( req );
}
SERVER_END_REQ;
NtClose(hive);
return ret;
}
/******************************************************************************
* NtNotifyChangeKey [NTDLL.@]
* ZwNotifyChangeKey [NTDLL.@]
*/
NTSTATUS WINAPI NtNotifyChangeKey(
IN HANDLE KeyHandle,
IN HANDLE Event,
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
IN PVOID ApcContext OPTIONAL,
OUT PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG CompletionFilter,
IN BOOLEAN Asynchronous,
OUT PVOID ChangeBuffer,
IN ULONG Length,
IN BOOLEAN WatchSubtree)
{
NTSTATUS ret;
TRACE("(%p,%p,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x)\n",
KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
Asynchronous, ChangeBuffer, Length, WatchSubtree);
if (ApcRoutine || ApcContext || ChangeBuffer || Length)
FIXME("Unimplemented optional parameter\n");
if (!Asynchronous)
{
OBJECT_ATTRIBUTES attr;
InitializeObjectAttributes( &attr, NULL, 0, NULL, NULL );
ret = NtCreateEvent( &Event, EVENT_ALL_ACCESS, &attr, FALSE, FALSE );
if (ret != STATUS_SUCCESS)
return ret;
}
SERVER_START_REQ( set_registry_notification )
{
req->hkey = KeyHandle;
req->event = Event;
req->subtree = WatchSubtree;
req->filter = CompletionFilter;
ret = wine_server_call( req );
}
SERVER_END_REQ;
if (!Asynchronous)
{
if (ret == STATUS_SUCCESS)
NtWaitForSingleObject( Event, FALSE, NULL );
NtClose( Event );
}
return STATUS_SUCCESS;
}
/******************************************************************************
* NtQueryMultipleValueKey [NTDLL]
* ZwQueryMultipleValueKey
*/
NTSTATUS WINAPI NtQueryMultipleValueKey(
HANDLE KeyHandle,
PKEY_MULTIPLE_VALUE_INFORMATION ListOfValuesToQuery,
ULONG NumberOfItems,
PVOID MultipleValueInformation,
ULONG Length,
PULONG ReturnLength)
{
FIXME("(%p,%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
Length,ReturnLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtReplaceKey [NTDLL.@]
* ZwReplaceKey [NTDLL.@]
*/
NTSTATUS WINAPI NtReplaceKey(
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN HANDLE Key,
IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
{
FIXME("(%p),stub!\n", Key);
dump_ObjectAttributes(ObjectAttributes);
dump_ObjectAttributes(ReplacedObjectAttributes);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtRestoreKey [NTDLL.@]
* ZwRestoreKey [NTDLL.@]
*/
NTSTATUS WINAPI NtRestoreKey(
HANDLE KeyHandle,
HANDLE FileHandle,
ULONG RestoreFlags)
{
FIXME("(%p,%p,0x%08lx) stub\n",
KeyHandle, FileHandle, RestoreFlags);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtSaveKey [NTDLL.@]
* ZwSaveKey [NTDLL.@]
*/
NTSTATUS WINAPI NtSaveKey(IN HANDLE KeyHandle, IN HANDLE FileHandle)
{
NTSTATUS ret;
TRACE("(%p,%p)\n", KeyHandle, FileHandle);
SERVER_START_REQ( save_registry )
{
req->hkey = KeyHandle;
req->file = FileHandle;
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtSetInformationKey [NTDLL.@]
* ZwSetInformationKey [NTDLL.@]
*/
NTSTATUS WINAPI NtSetInformationKey(
IN HANDLE KeyHandle,
IN const int KeyInformationClass,
IN PVOID KeyInformation,
IN ULONG KeyInformationLength)
{
FIXME("(%p,0x%08x,%p,0x%08lx) stub\n",
KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtSetValueKey [NTDLL.@]
* ZwSetValueKey [NTDLL.@]
*
* NOTES
* win95 does not care about count for REG_SZ and finds out the len by itself (js)
* NT does definitely care (aj)
*/
NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
ULONG type, const void *data, ULONG count )
{
NTSTATUS ret;
TRACE( "(%p,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
SERVER_START_REQ( set_key_value )
{
req->hkey = hkey;
req->type = type;
req->namelen = name->Length;
wine_server_add_data( req, name->Buffer, name->Length );
wine_server_add_data( req, data, count );
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* RtlpNtSetValueKey [NTDLL.@]
*
*/
NTSTATUS WINAPI RtlpNtSetValueKey( HANDLE hkey, ULONG type, const void *data,
ULONG count )
{
UNICODE_STRING name;
name.Length = 0;
return NtSetValueKey( hkey, &name, 0, type, data, count );
}
/******************************************************************************
* NtUnloadKey [NTDLL.@]
* ZwUnloadKey [NTDLL.@]
*/
NTSTATUS WINAPI NtUnloadKey(IN HANDLE KeyHandle)
{
NTSTATUS ret;
TRACE("(%p)\n", KeyHandle);
SERVER_START_REQ( unload_registry )
{
req->hkey = KeyHandle;
ret = wine_server_call(req);
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* RtlFormatCurrentUserKeyPath [NTDLL.@]
*
*/
NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath)
{
static const WCHAR pathW[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\'};
HANDLE token;
NTSTATUS status;
status = NtOpenThreadToken(GetCurrentThread(), TOKEN_READ, TRUE, &token);
if (status == STATUS_NO_TOKEN)
status = NtOpenProcessToken(GetCurrentProcess(), TOKEN_READ, &token);
if (status == STATUS_SUCCESS)
{
char buffer[sizeof(TOKEN_USER) + sizeof(SID) + sizeof(DWORD)*SID_MAX_SUB_AUTHORITIES];
DWORD len = sizeof(buffer);
status = NtQueryInformationToken(token, TokenUser, buffer, len, &len);
if (status == STATUS_SUCCESS)
{
KeyPath->MaximumLength = 0;
status = RtlConvertSidToUnicodeString(KeyPath, ((TOKEN_USER *)buffer)->User.Sid, FALSE);
if (status == STATUS_BUFFER_OVERFLOW)
{
PWCHAR buf = RtlAllocateHeap(GetProcessHeap(), 0,
sizeof(pathW) + KeyPath->Length + sizeof(WCHAR));
if (buf)
{
memcpy(buf, pathW, sizeof(pathW));
KeyPath->MaximumLength = KeyPath->Length + sizeof(WCHAR);
KeyPath->Buffer = (PWCHAR)((LPBYTE)buf + sizeof(pathW));
status = RtlConvertSidToUnicodeString(KeyPath,
((TOKEN_USER *)buffer)->User.Sid, FALSE);
KeyPath->Buffer = (PWCHAR)buf;
KeyPath->Length += sizeof(pathW);
KeyPath->MaximumLength += sizeof(pathW);
}
else
status = STATUS_NO_MEMORY;
}
}
NtClose(token);
}
return status;
}
/******************************************************************************
* RtlOpenCurrentUser [NTDLL.@]
*
* NOTES
* If we return just HKEY_CURRENT_USER the advapi tries to find a remote
* registry (odd handle) and fails.
*/
NTSTATUS WINAPI RtlOpenCurrentUser(
IN ACCESS_MASK DesiredAccess, /* [in] */
OUT PHANDLE KeyHandle) /* [out] handle of HKEY_CURRENT_USER */
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING ObjectName;
NTSTATUS ret;
TRACE("(0x%08lx, %p)\n",DesiredAccess, KeyHandle);
if ((ret = RtlFormatCurrentUserKeyPath(&ObjectName))) return ret;
InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
ret = NtCreateKey(KeyHandle, DesiredAccess, &ObjectAttributes, 0, NULL, 0, NULL);
RtlFreeUnicodeString(&ObjectName);
return ret;
}
static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
PRTL_QUERY_REGISTRY_TABLE pQuery, PVOID pContext, PVOID pEnvironment)
{
PUNICODE_STRING str;
UNICODE_STRING src, dst;
LONG *bin;
ULONG offset;
PWSTR wstr;
DWORD res;
NTSTATUS status = STATUS_SUCCESS;
ULONG len;
LPWSTR String;
INT count = 0;
if (pInfo == NULL)
{
if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
return STATUS_INVALID_PARAMETER;
else
{
status = pQuery->QueryRoutine(pQuery->Name, pQuery->DefaultType, pQuery->DefaultData,
pQuery->DefaultLength, pContext, pQuery->EntryContext);
}
return status;
}
len = pInfo->DataLength;
if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
str = (PUNICODE_STRING)pQuery->EntryContext;
switch(pInfo->Type)
{
case REG_EXPAND_SZ:
if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
{
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
}
case REG_SZ:
case REG_LINK:
if (str->Buffer == NULL)
RtlCreateUnicodeString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
else
RtlAppendUnicodeToString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
break;
case REG_MULTI_SZ:
if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
return STATUS_INVALID_PARAMETER;
if (str->Buffer == NULL)
{
str->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
str->MaximumLength = len;
}
len = min(len, str->MaximumLength);
memcpy(str->Buffer, ((CHAR*)pInfo) + pInfo->DataOffset, len);
str->Length = len;
break;
default:
bin = (LONG*)pQuery->EntryContext;
if (pInfo->DataLength <= sizeof(ULONG))
memcpy(bin, ((CHAR*)pInfo) + pInfo->DataOffset,
pInfo->DataLength);
else
{
if (bin[0] <= sizeof(ULONG))
{
memcpy(&bin[1], ((CHAR*)pInfo) + pInfo->DataOffset,
min(-bin[0], pInfo->DataLength));
}
else
{
len = min(bin[0], pInfo->DataLength);
bin[1] = len;
bin[2] = pInfo->Type;
memcpy(&bin[3], ((CHAR*)pInfo) + pInfo->DataOffset, len);
}
}
break;
}
}
else
{
if((pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND) ||
(pInfo->Type != REG_EXPAND_SZ && pInfo->Type != REG_MULTI_SZ))
{
status = pQuery->QueryRoutine(pInfo->Name, pInfo->Type,
((CHAR*)pInfo) + pInfo->DataOffset, pInfo->DataLength,
pContext, pQuery->EntryContext);
}
else if (pInfo->Type == REG_EXPAND_SZ)
{
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
}
else /* REG_MULTI_SZ */
{
if(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND)
{
for (offset = 0; offset <= pInfo->DataLength; offset += len + sizeof(WCHAR))
{
wstr = (WCHAR*)(((CHAR*)pInfo) + offset);
len = strlenW(wstr) * sizeof(WCHAR);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, wstr, len,
pContext, pQuery->EntryContext);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
return status;
}
}
else
{
while(count<=pInfo->DataLength)
{
String = (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset)+count;
count+=strlenW(String)+1;
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
return status;
}
}
}
}
return status;
}
static NTSTATUS RTL_GetKeyHandle(ULONG RelativeTo, PCWSTR Path, PHANDLE handle)
{
UNICODE_STRING KeyString;
OBJECT_ATTRIBUTES regkey;
PCWSTR base;
INT len;
NTSTATUS status;
static const WCHAR empty[] = {0};
static const WCHAR control[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
'\\','S','y','s','t','e','m','\\','C','u','r','r','e','n','t',' ','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',0};
static const WCHAR devicemap[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'H','a','r','d','w','a','r','e','\\','D','e','v','i','c','e','M','a','p','\\',0};
static const WCHAR services[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'S','e','r','v','i','c','e','s','\\',0};
static const WCHAR user[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\',
'C','u','r','r','e','n','t','U','s','e','r','\\',0};
static const WCHAR windows_nt[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',0};
switch (RelativeTo & 0xff)
{
case RTL_REGISTRY_ABSOLUTE:
base = empty;
break;
case RTL_REGISTRY_CONTROL:
base = control;
break;
case RTL_REGISTRY_DEVICEMAP:
base = devicemap;
break;
case RTL_REGISTRY_SERVICES:
base = services;
break;
case RTL_REGISTRY_USER:
base = user;
break;
case RTL_REGISTRY_WINDOWS_NT:
base = windows_nt;
break;
default:
return STATUS_INVALID_PARAMETER;
}
len = (strlenW(base) + strlenW(Path) + 1) * sizeof(WCHAR);
KeyString.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
if (KeyString.Buffer == NULL)
return STATUS_NO_MEMORY;
strcpyW(KeyString.Buffer, base);
strcatW(KeyString.Buffer, Path);
KeyString.Length = len - sizeof(WCHAR);
KeyString.MaximumLength = len;
InitializeObjectAttributes(&regkey, &KeyString, OBJ_CASE_INSENSITIVE, NULL, NULL);
status = NtOpenKey(handle, KEY_ALL_ACCESS, &regkey);
RtlFreeHeap(GetProcessHeap(), 0, KeyString.Buffer);
return status;
}
/*************************************************************************
* RtlQueryRegistryValues [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
* QueryTable [I] Table of key values to query
* Context [I] Paremeter to pass to the application defined QueryRoutine function
* Environment [I] Optional parameter to use when performing expantion
*
* RETURNS
* STATUS_SUCCESS or an appropriate NTSTATUS error code.
*/
NTSTATUS WINAPI RtlQueryRegistryValues(IN ULONG RelativeTo, IN PCWSTR Path,
IN PRTL_QUERY_REGISTRY_TABLE QueryTable, IN PVOID Context,
IN PVOID Environment OPTIONAL)
{
UNICODE_STRING Value;
HANDLE handle, topkey;
PKEY_VALUE_FULL_INFORMATION pInfo = NULL;
ULONG len, buflen = 0;
NTSTATUS status=STATUS_SUCCESS, ret = STATUS_SUCCESS;
INT i;
TRACE("(%ld, %s, %p, %p, %p)\n", RelativeTo, debugstr_w(Path), QueryTable, Context, Environment);
if(Path == NULL)
return STATUS_INVALID_PARAMETER;
/* get a valid handle */
if (RelativeTo & RTL_REGISTRY_HANDLE)
topkey = handle = (HANDLE)Path;
else
{
status = RTL_GetKeyHandle(RelativeTo, Path, &topkey);
handle = topkey;
}
if(status != STATUS_SUCCESS)
return status;
/* Process query table entries */
for (; QueryTable->QueryRoutine != NULL || QueryTable->Name != NULL; ++QueryTable)
{
if (QueryTable->Flags &
(RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY))
{
/* topkey must be kept open just in case we will reuse it later */
if (handle != topkey)
NtClose(handle);
if (QueryTable->Flags & RTL_QUERY_REGISTRY_SUBKEY)
{
handle = 0;
status = RTL_GetKeyHandle((ULONG)QueryTable->Name, Path, &handle);
if(status != STATUS_SUCCESS)
{
ret = status;
goto out;
}
}
else
handle = topkey;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_NOVALUE)
{
QueryTable->QueryRoutine(QueryTable->Name, REG_NONE, NULL, 0,
Context, QueryTable->EntryContext);
continue;
}
if (!handle)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
continue;
}
if (QueryTable->Name == NULL)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
ret = STATUS_INVALID_PARAMETER;
goto out;
}
/* Report all subkeys */
for (i = 0;; ++i)
{
status = NtEnumerateValueKey(handle, i,
KeyValueFullInformation, pInfo, buflen, &len);
if (status == STATUS_NO_MORE_ENTRIES)
break;
if (status == STATUS_BUFFER_OVERFLOW ||
status == STATUS_BUFFER_TOO_SMALL)
{
buflen = len;
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
pInfo = (KEY_VALUE_FULL_INFORMATION*)RtlAllocateHeap(
GetProcessHeap(), 0, buflen);
NtEnumerateValueKey(handle, i, KeyValueFullInformation,
pInfo, buflen, &len);
}
status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
{
RtlInitUnicodeString(&Value, pInfo->Name);
NtDeleteValueKey(handle, &Value);
}
}
if (i == 0 && (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED))
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
}
else
{
RtlInitUnicodeString(&Value, QueryTable->Name);
status = NtQueryValueKey(handle, &Value, KeyValueFullInformation,
pInfo, buflen, &len);
if (status == STATUS_BUFFER_OVERFLOW ||
status == STATUS_BUFFER_TOO_SMALL)
{
buflen = len;
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
pInfo = (KEY_VALUE_FULL_INFORMATION*)RtlAllocateHeap(
GetProcessHeap(), 0, buflen);
status = NtQueryValueKey(handle, &Value,
KeyValueFullInformation, pInfo, buflen, &len);
}
if (status != STATUS_SUCCESS)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
status = RTL_ReportRegistryValue(NULL, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
}
else
{
status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
NtDeleteValueKey(handle, &Value);
}
}
}
out:
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
if (handle != topkey)
NtClose(handle);
NtClose(topkey);
return ret;
}
/*************************************************************************
* RtlCheckRegistryKey [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
*
* RETURNS
* STATUS_SUCCESS if the specified key exists, or an NTSTATUS error code.
*/
NTSTATUS WINAPI RtlCheckRegistryKey(IN ULONG RelativeTo, IN PWSTR Path)
{
HANDLE handle;
NTSTATUS status;
TRACE("(%ld, %s)\n", RelativeTo, debugstr_w(Path));
if((!RelativeTo) && Path == NULL)
return STATUS_OBJECT_PATH_SYNTAX_BAD;
if(RelativeTo & RTL_REGISTRY_HANDLE)
return STATUS_SUCCESS;
status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
if (handle) NtClose(handle);
if (status == STATUS_INVALID_HANDLE) status = STATUS_OBJECT_NAME_NOT_FOUND;
return status;
}
/*************************************************************************
* RtlDeleteRegistryValue [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
* ValueName [I] Name of the value to delete
*
* RETURNS
* STATUS_SUCCESS if the specified key is successfully deleted, or an NTSTATUS error code.
*/
NTSTATUS WINAPI RtlDeleteRegistryValue(IN ULONG RelativeTo, IN PCWSTR Path, IN PCWSTR ValueName)
{
NTSTATUS status;
HANDLE handle;
UNICODE_STRING Value;
TRACE("(%ld, %s, %s)\n", RelativeTo, debugstr_w(Path), debugstr_w(ValueName));
RtlInitUnicodeString(&Value, ValueName);
if(RelativeTo == RTL_REGISTRY_HANDLE)
{
return NtDeleteValueKey((HANDLE)Path, &Value);
}
status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
if (status) return status;
status = NtDeleteValueKey(handle, &Value);
NtClose(handle);
return status;
}
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