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reactos/dll/win32/advapi32/reg/reg.c
Amine Khaldi 87f3265217 * Sync up to trunk head (r64716). 
svn path=/branches/shell-experiments/; revision=64718
2014-10-13 12:23:44 +00:00

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/advapi32/reg/reg.c
* PURPOSE: Registry functions
* PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
* Thomas Weidenmueller <w3seek@reactos.com>
* UPDATE HISTORY:
* Created 01/11/98
* 19990309 EA Stubs
* 20050502 Fireball imported some stuff from WINE
*/
/* INCLUDES *****************************************************************/
#include <advapi32.h>
#include <ndk/cmfuncs.h>
#include <pseh/pseh2.h>
#include "reg.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/* DEFINES ******************************************************************/
#define MAX_DEFAULT_HANDLES 6
#define REG_MAX_NAME_SIZE 256
#define REG_MAX_DATA_SIZE 2048
/* GLOBALS ******************************************************************/
static RTL_CRITICAL_SECTION HandleTableCS;
static HANDLE DefaultHandleTable[MAX_DEFAULT_HANDLES];
static HANDLE ProcessHeap;
static BOOLEAN DefaultHandlesDisabled = FALSE;
static BOOLEAN DefaultHandleHKUDisabled = FALSE;
static BOOLEAN DllInitialized = FALSE; /* HACK */
/* PROTOTYPES ***************************************************************/
static NTSTATUS MapDefaultKey (PHANDLE ParentKey, HKEY Key);
static VOID CloseDefaultKeys(VOID);
#define ClosePredefKey(Handle) \
if ((ULONG_PTR)Handle & 0x1) { \
NtClose(Handle); \
}
#define IsPredefKey(HKey) \
(((ULONG_PTR)(HKey) & 0xF0000000) == 0x80000000)
#define GetPredefKeyIndex(HKey) \
((ULONG_PTR)(HKey) & 0x0FFFFFFF)
static NTSTATUS OpenClassesRootKey(PHANDLE KeyHandle);
static NTSTATUS OpenLocalMachineKey (PHANDLE KeyHandle);
static NTSTATUS OpenUsersKey (PHANDLE KeyHandle);
static NTSTATUS OpenCurrentConfigKey(PHANDLE KeyHandle);
/* FUNCTIONS ****************************************************************/
/* 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);
}
/************************************************************************
* RegInitDefaultHandles
*/
BOOL
RegInitialize(VOID)
{
TRACE("RegInitialize()\n");
/* Lazy init hack */
if (!DllInitialized)
{
ProcessHeap = RtlGetProcessHeap();
RtlZeroMemory(DefaultHandleTable,
MAX_DEFAULT_HANDLES * sizeof(HANDLE));
RtlInitializeCriticalSection(&HandleTableCS);
DllInitialized = TRUE;
}
return TRUE;
}
/************************************************************************
* RegInit
*/
BOOL
RegCleanup(VOID)
{
TRACE("RegCleanup()\n");
CloseDefaultKeys();
RtlDeleteCriticalSection(&HandleTableCS);
return TRUE;
}
static NTSTATUS
OpenPredefinedKey(IN ULONG Index,
OUT HANDLE Handle)
{
NTSTATUS Status;
switch (Index)
{
case 0: /* HKEY_CLASSES_ROOT */
Status = OpenClassesRootKey (Handle);
break;
case 1: /* HKEY_CURRENT_USER */
Status = RtlOpenCurrentUser (MAXIMUM_ALLOWED,
Handle);
break;
case 2: /* HKEY_LOCAL_MACHINE */
Status = OpenLocalMachineKey (Handle);
break;
case 3: /* HKEY_USERS */
Status = OpenUsersKey (Handle);
break;
#if 0
case 4: /* HKEY_PERFORMANCE_DATA */
Status = OpenPerformanceDataKey (Handle);
break;
#endif
case 5: /* HKEY_CURRENT_CONFIG */
Status = OpenCurrentConfigKey (Handle);
break;
case 6: /* HKEY_DYN_DATA */
Status = STATUS_NOT_IMPLEMENTED;
break;
default:
WARN("MapDefaultHandle() no handle creator\n");
Status = STATUS_INVALID_PARAMETER;
break;
}
return Status;
}
static NTSTATUS
MapDefaultKey(OUT PHANDLE RealKey,
IN HKEY Key)
{
PHANDLE Handle;
ULONG Index;
BOOLEAN DoOpen, DefDisabled;
NTSTATUS Status = STATUS_SUCCESS;
TRACE("MapDefaultKey (Key %x)\n", Key);
if (!IsPredefKey(Key))
{
*RealKey = (HANDLE)((ULONG_PTR)Key & ~0x1);
return STATUS_SUCCESS;
}
/* Handle special cases here */
Index = GetPredefKeyIndex(Key);
if (Index >= MAX_DEFAULT_HANDLES)
{
return STATUS_INVALID_PARAMETER;
}
RegInitialize(); /* HACK until delay-loading is implemented */
RtlEnterCriticalSection (&HandleTableCS);
if (Key == HKEY_CURRENT_USER)
DefDisabled = DefaultHandleHKUDisabled;
else
DefDisabled = DefaultHandlesDisabled;
if (!DefDisabled)
{
Handle = &DefaultHandleTable[Index];
DoOpen = (*Handle == NULL);
}
else
{
Handle = RealKey;
DoOpen = TRUE;
}
if (DoOpen)
{
/* create/open the default handle */
Status = OpenPredefinedKey(Index,
Handle);
}
if (NT_SUCCESS(Status))
{
if (!DefDisabled)
*RealKey = *Handle;
else
*(PULONG_PTR)Handle |= 0x1;
}
RtlLeaveCriticalSection (&HandleTableCS);
return Status;
}
static VOID
CloseDefaultKeys(VOID)
{
ULONG i;
RegInitialize(); /* HACK until delay-loading is implemented */
RtlEnterCriticalSection(&HandleTableCS);
for (i = 0; i < MAX_DEFAULT_HANDLES; i++)
{
if (DefaultHandleTable[i] != NULL)
{
NtClose(DefaultHandleTable[i]);
DefaultHandleTable[i] = NULL;
}
}
RtlLeaveCriticalSection(&HandleTableCS);
}
static NTSTATUS
OpenClassesRootKey(_Out_ PHANDLE KeyHandle)
{
OBJECT_ATTRIBUTES Attributes;
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\Software\\CLASSES");
NTSTATUS Status;
TRACE("OpenClassesRootKey()\n");
InitializeObjectAttributes(&Attributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(KeyHandle,
MAXIMUM_ALLOWED,
&Attributes);
if (!NT_SUCCESS(Status))
return Status;
/* Mark it as HKCR */
MakeHKCRKey((HKEY*)KeyHandle);
return Status;
}
static NTSTATUS
OpenLocalMachineKey(PHANDLE KeyHandle)
{
OBJECT_ATTRIBUTES Attributes;
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine");
NTSTATUS Status;
TRACE("OpenLocalMachineKey()\n");
InitializeObjectAttributes(&Attributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(KeyHandle,
MAXIMUM_ALLOWED,
&Attributes);
TRACE("NtOpenKey(%wZ) => %08x\n", &KeyName, Status);
return Status;
}
static NTSTATUS
OpenUsersKey(PHANDLE KeyHandle)
{
OBJECT_ATTRIBUTES Attributes;
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\User");
TRACE("OpenUsersKey()\n");
InitializeObjectAttributes(&Attributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
return NtOpenKey(KeyHandle,
MAXIMUM_ALLOWED,
&Attributes);
}
static NTSTATUS
OpenCurrentConfigKey (PHANDLE KeyHandle)
{
OBJECT_ATTRIBUTES Attributes;
UNICODE_STRING KeyName =
RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\CurrentControlSet\\Hardware Profiles\\Current");
TRACE("OpenCurrentConfigKey()\n");
InitializeObjectAttributes(&Attributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
return NtOpenKey(KeyHandle,
MAXIMUM_ALLOWED,
&Attributes);
}
/************************************************************************
* RegDisablePredefinedCache
*
* @implemented
*/
LONG WINAPI
RegDisablePredefinedCache(VOID)
{
RegInitialize(); /* HACK until delay-loading is implemented */
RtlEnterCriticalSection(&HandleTableCS);
DefaultHandleHKUDisabled = TRUE;
RtlLeaveCriticalSection(&HandleTableCS);
return ERROR_SUCCESS;
}
/************************************************************************
* RegDisablePredefinedCacheEx
*
* @implemented
*/
LONG WINAPI
RegDisablePredefinedCacheEx(VOID)
{
RegInitialize(); /* HACK until delay-loading is implemented */
RtlEnterCriticalSection(&HandleTableCS);
DefaultHandlesDisabled = TRUE;
DefaultHandleHKUDisabled = TRUE;
RtlLeaveCriticalSection(&HandleTableCS);
return ERROR_SUCCESS;
}
/************************************************************************
* RegOverridePredefKey
*
* @implemented
*/
LONG WINAPI
RegOverridePredefKey(IN HKEY hKey,
IN HKEY hNewHKey OPTIONAL)
{
LONG ErrorCode = ERROR_SUCCESS;
if ((hKey == HKEY_CLASSES_ROOT ||
hKey == HKEY_CURRENT_CONFIG ||
hKey == HKEY_CURRENT_USER ||
hKey == HKEY_LOCAL_MACHINE ||
hKey == HKEY_PERFORMANCE_DATA ||
hKey == HKEY_USERS) &&
!IsPredefKey(hNewHKey))
{
PHANDLE Handle;
ULONG Index;
Index = GetPredefKeyIndex(hKey);
Handle = &DefaultHandleTable[Index];
if (hNewHKey == NULL)
{
/* restore the default mapping */
NTSTATUS Status = OpenPredefinedKey(Index,
&hNewHKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
ASSERT(hNewHKey != NULL);
}
RegInitialize(); /* HACK until delay-loading is implemented */
RtlEnterCriticalSection(&HandleTableCS);
/* close the currently mapped handle if existing */
if (*Handle != NULL)
{
NtClose(*Handle);
}
/* update the mapping */
*Handle = hNewHKey;
RtlLeaveCriticalSection(&HandleTableCS);
}
else
ErrorCode = ERROR_INVALID_HANDLE;
return ErrorCode;
}
/************************************************************************
* RegCloseKey
*
* @implemented
*/
LONG WINAPI
RegCloseKey(HKEY hKey)
{
NTSTATUS Status;
/* don't close null handle or a pseudo handle */
if ((!hKey) || (((ULONG_PTR)hKey & 0xF0000000) == 0x80000000))
{
return ERROR_INVALID_HANDLE;
}
Status = NtClose(hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
static NTSTATUS
RegpCopyTree(IN HKEY hKeySrc,
IN HKEY hKeyDest)
{
typedef struct
{
LIST_ENTRY ListEntry;
HANDLE hKeySrc;
HANDLE hKeyDest;
} REGP_COPY_KEYS, *PREGP_COPY_KEYS;
LIST_ENTRY copyQueueHead;
PREGP_COPY_KEYS copyKeys, newCopyKeys;
union
{
KEY_VALUE_FULL_INFORMATION *KeyValue;
KEY_NODE_INFORMATION *KeyNode;
PVOID Buffer;
} Info;
ULONG Index, BufferSizeRequired, BufferSize = 0x200;
NTSTATUS Status = STATUS_SUCCESS;
NTSTATUS Status2 = STATUS_SUCCESS;
InitializeListHead(&copyQueueHead);
Info.Buffer = RtlAllocateHeap(ProcessHeap,
0,
BufferSize);
if (Info.Buffer == NULL)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
copyKeys = RtlAllocateHeap(ProcessHeap,
0,
sizeof(REGP_COPY_KEYS));
if (copyKeys != NULL)
{
copyKeys->hKeySrc = hKeySrc;
copyKeys->hKeyDest = hKeyDest;
InsertHeadList(&copyQueueHead,
&copyKeys->ListEntry);
/* FIXME - copy security from hKeySrc to hKeyDest or just for the subkeys? */
do
{
copyKeys = CONTAINING_RECORD(copyQueueHead.Flink,
REGP_COPY_KEYS,
ListEntry);
/* enumerate all values and copy them */
Index = 0;
for (;;)
{
Status2 = NtEnumerateValueKey(copyKeys->hKeySrc,
Index,
KeyValueFullInformation,
Info.KeyValue,
BufferSize,
&BufferSizeRequired);
if (NT_SUCCESS(Status2))
{
UNICODE_STRING ValueName;
PVOID Data;
/* don't use RtlInitUnicodeString as the string is not NULL-terminated! */
ValueName.Length = Info.KeyValue->NameLength;
ValueName.MaximumLength = ValueName.Length;
ValueName.Buffer = Info.KeyValue->Name;
Data = (PVOID)((ULONG_PTR)Info.KeyValue + Info.KeyValue->DataOffset);
Status2 = NtSetValueKey(copyKeys->hKeyDest,
&ValueName,
Info.KeyValue->TitleIndex,
Info.KeyValue->Type,
Data,
Info.KeyValue->DataLength);
/* don't break, let's try to copy as many values as possible */
if (!NT_SUCCESS(Status2) && NT_SUCCESS(Status))
{
Status = Status2;
}
Index++;
}
else if (Status2 == STATUS_BUFFER_OVERFLOW)
{
PVOID Buffer;
ASSERT(BufferSize < BufferSizeRequired);
Buffer = RtlReAllocateHeap(ProcessHeap,
0,
Info.Buffer,
BufferSizeRequired);
if (Buffer != NULL)
{
Info.Buffer = Buffer;
/* try again */
}
else
{
/* don't break, let's try to copy as many values as possible */
Status2 = STATUS_INSUFFICIENT_RESOURCES;
Index++;
if (NT_SUCCESS(Status))
{
Status = Status2;
}
}
}
else
{
/* break to avoid an infinite loop in case of denied access or
other errors! */
if (Status2 != STATUS_NO_MORE_ENTRIES && NT_SUCCESS(Status))
{
Status = Status2;
}
break;
}
}
/* enumerate all subkeys and open and enqueue them */
Index = 0;
for (;;)
{
Status2 = NtEnumerateKey(copyKeys->hKeySrc,
Index,
KeyNodeInformation,
Info.KeyNode,
BufferSize,
&BufferSizeRequired);
if (NT_SUCCESS(Status2))
{
HANDLE KeyHandle, NewKeyHandle;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName, ClassName;
/* don't use RtlInitUnicodeString as the string is not NULL-terminated! */
SubKeyName.Length = Info.KeyNode->NameLength;
SubKeyName.MaximumLength = SubKeyName.Length;
SubKeyName.Buffer = Info.KeyNode->Name;
ClassName.Length = Info.KeyNode->ClassLength;
ClassName.MaximumLength = ClassName.Length;
ClassName.Buffer = (PWSTR)((ULONG_PTR)Info.KeyNode + Info.KeyNode->ClassOffset);
/* open the subkey with sufficient rights */
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
copyKeys->hKeySrc,
NULL);
Status2 = NtOpenKey(&KeyHandle,
KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE,
&ObjectAttributes);
if (NT_SUCCESS(Status2))
{
/* FIXME - attempt to query the security information */
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
copyKeys->hKeyDest,
NULL);
Status2 = NtCreateKey(&NewKeyHandle,
KEY_ALL_ACCESS,
&ObjectAttributes,
Info.KeyNode->TitleIndex,
&ClassName,
0,
NULL);
if (NT_SUCCESS(Status2))
{
newCopyKeys = RtlAllocateHeap(ProcessHeap,
0,
sizeof(REGP_COPY_KEYS));
if (newCopyKeys != NULL)
{
/* save the handles and enqueue the subkey */
newCopyKeys->hKeySrc = KeyHandle;
newCopyKeys->hKeyDest = NewKeyHandle;
InsertTailList(&copyQueueHead,
&newCopyKeys->ListEntry);
}
else
{
NtClose(KeyHandle);
NtClose(NewKeyHandle);
Status2 = STATUS_INSUFFICIENT_RESOURCES;
}
}
else
{
NtClose(KeyHandle);
}
}
if (!NT_SUCCESS(Status2) && NT_SUCCESS(Status))
{
Status = Status2;
}
Index++;
}
else if (Status2 == STATUS_BUFFER_OVERFLOW)
{
PVOID Buffer;
ASSERT(BufferSize < BufferSizeRequired);
Buffer = RtlReAllocateHeap(ProcessHeap,
0,
Info.Buffer,
BufferSizeRequired);
if (Buffer != NULL)
{
Info.Buffer = Buffer;
/* try again */
}
else
{
/* don't break, let's try to copy as many keys as possible */
Status2 = STATUS_INSUFFICIENT_RESOURCES;
Index++;
if (NT_SUCCESS(Status))
{
Status = Status2;
}
}
}
else
{
/* break to avoid an infinite loop in case of denied access or
other errors! */
if (Status2 != STATUS_NO_MORE_ENTRIES && NT_SUCCESS(Status))
{
Status = Status2;
}
break;
}
}
/* close the handles and remove the entry from the list */
if (copyKeys->hKeySrc != hKeySrc)
{
NtClose(copyKeys->hKeySrc);
}
if (copyKeys->hKeyDest != hKeyDest)
{
NtClose(copyKeys->hKeyDest);
}
RemoveEntryList(&copyKeys->ListEntry);
RtlFreeHeap(ProcessHeap,
0,
copyKeys);
} while (!IsListEmpty(&copyQueueHead));
}
else
Status = STATUS_INSUFFICIENT_RESOURCES;
RtlFreeHeap(ProcessHeap,
0,
Info.Buffer);
return Status;
}
/************************************************************************
* RegCopyTreeW
*
* @implemented
*/
LONG WINAPI
RegCopyTreeW(IN HKEY hKeySrc,
IN LPCWSTR lpSubKey OPTIONAL,
IN HKEY hKeyDest)
{
HANDLE DestKeyHandle, KeyHandle, CurKey, SubKeyHandle = NULL;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKeySrc);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
Status = MapDefaultKey(&DestKeyHandle,
hKeyDest);
if (!NT_SUCCESS(Status))
{
goto Cleanup2;
}
if (lpSubKey != NULL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
RtlInitUnicodeString(&SubKeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&SubKeyHandle,
KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
CurKey = SubKeyHandle;
}
else
CurKey = KeyHandle;
Status = RegpCopyTree(CurKey,
hKeyDest);
if (SubKeyHandle != NULL)
{
NtClose(SubKeyHandle);
}
Cleanup:
ClosePredefKey(DestKeyHandle);
Cleanup2:
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegCopyTreeA
*
* @implemented
*/
LONG WINAPI
RegCopyTreeA(IN HKEY hKeySrc,
IN LPCSTR lpSubKey OPTIONAL,
IN HKEY hKeyDest)
{
UNICODE_STRING SubKeyName = { 0, 0, NULL };
LONG Ret;
if (lpSubKey != NULL &&
!RtlCreateUnicodeStringFromAsciiz(&SubKeyName,
(LPSTR)lpSubKey))
{
return ERROR_NOT_ENOUGH_MEMORY;
}
Ret = RegCopyTreeW(hKeySrc,
SubKeyName.Buffer,
hKeyDest);
RtlFreeUnicodeString(&SubKeyName);
return Ret;
}
/************************************************************************
* RegConnectRegistryA
*
* @implemented
*/
LONG WINAPI
RegConnectRegistryA(IN LPCSTR lpMachineName,
IN HKEY hKey,
OUT PHKEY phkResult)
{
UNICODE_STRING MachineName = { 0, 0, NULL };
LONG Ret;
if (lpMachineName != NULL &&
!RtlCreateUnicodeStringFromAsciiz(&MachineName,
(LPSTR)lpMachineName))
{
return ERROR_NOT_ENOUGH_MEMORY;
}
Ret = RegConnectRegistryW(MachineName.Buffer,
hKey,
phkResult);
RtlFreeUnicodeString(&MachineName);
return Ret;
}
/************************************************************************
* RegConnectRegistryW
*
* @unimplemented
*/
LONG WINAPI
RegConnectRegistryW(LPCWSTR lpMachineName,
HKEY hKey,
PHKEY phkResult)
{
LONG ret;
TRACE("(%s,%p,%p): stub\n",debugstr_w(lpMachineName),hKey,phkResult);
if (!lpMachineName || !*lpMachineName)
{
/* Use the local machine name */
ret = RegOpenKeyW( hKey, NULL, phkResult );
}
else
{
WCHAR compName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD len = sizeof(compName) / sizeof(WCHAR);
/* MSDN says lpMachineName must start with \\ : not so */
if( lpMachineName[0] == '\\' && lpMachineName[1] == '\\')
lpMachineName += 2;
if (GetComputerNameW(compName, &len))
{
if (!_wcsicmp(lpMachineName, compName))
ret = RegOpenKeyW(hKey, NULL, phkResult);
else
{
FIXME("Connect to %s is not supported.\n",debugstr_w(lpMachineName));
ret = ERROR_BAD_NETPATH;
}
}
else
ret = GetLastError();
}
return ret;
}
/************************************************************************
* CreateNestedKey
*
* Create key and all necessary intermediate keys
*/
static NTSTATUS
CreateNestedKey(PHKEY KeyHandle,
POBJECT_ATTRIBUTES ObjectAttributes,
PUNICODE_STRING ClassString,
DWORD dwOptions,
REGSAM samDesired,
DWORD *lpdwDisposition)
{
OBJECT_ATTRIBUTES LocalObjectAttributes;
UNICODE_STRING LocalKeyName;
ULONG Disposition;
NTSTATUS Status;
ULONG FullNameLength;
ULONG Length;
PWCHAR Ptr;
HANDLE LocalKeyHandle;
Status = NtCreateKey((PHANDLE) KeyHandle,
samDesired,
ObjectAttributes,
0,
ClassString,
dwOptions,
(PULONG)lpdwDisposition);
TRACE("NtCreateKey(%wZ) called (Status %lx)\n", ObjectAttributes->ObjectName, Status);
if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
return Status;
/* Copy object attributes */
RtlCopyMemory(&LocalObjectAttributes,
ObjectAttributes,
sizeof(OBJECT_ATTRIBUTES));
RtlCreateUnicodeString(&LocalKeyName,
ObjectAttributes->ObjectName->Buffer);
LocalObjectAttributes.ObjectName = &LocalKeyName;
FullNameLength = LocalKeyName.Length / sizeof(WCHAR);
LocalKeyHandle = NULL;
/* Remove the last part of the key name and try to create the key again. */
while (Status == STATUS_OBJECT_NAME_NOT_FOUND)
{
Ptr = wcsrchr(LocalKeyName.Buffer, '\\');
if (Ptr == NULL || Ptr == LocalKeyName.Buffer)
{
Status = STATUS_UNSUCCESSFUL;
break;
}
*Ptr = (WCHAR)0;
LocalKeyName.Length = wcslen(LocalKeyName.Buffer) * sizeof(WCHAR);
Status = NtCreateKey(&LocalKeyHandle,
KEY_CREATE_SUB_KEY,
&LocalObjectAttributes,
0,
NULL,
0,
&Disposition);
TRACE("NtCreateKey(%wZ) called (Status %lx)\n", &LocalKeyName, Status);
}
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString(&LocalKeyName);
return Status;
}
/* Add removed parts of the key name and create them too. */
Length = wcslen(LocalKeyName.Buffer);
while (TRUE)
{
if (LocalKeyHandle)
NtClose (LocalKeyHandle);
LocalKeyName.Buffer[Length] = L'\\';
Length = wcslen (LocalKeyName.Buffer);
LocalKeyName.Length = Length * sizeof(WCHAR);
if (Length == FullNameLength)
{
Status = NtCreateKey((PHANDLE) KeyHandle,
samDesired,
ObjectAttributes,
0,
ClassString,
dwOptions,
(PULONG)lpdwDisposition);
break;
}
Status = NtCreateKey(&LocalKeyHandle,
KEY_CREATE_SUB_KEY,
&LocalObjectAttributes,
0,
NULL,
0,
&Disposition);
TRACE("NtCreateKey(%wZ) called (Status %lx)\n", &LocalKeyName, Status);
if (!NT_SUCCESS(Status))
break;
}
RtlFreeUnicodeString(&LocalKeyName);
return Status;
}
/************************************************************************
* RegCreateKeyExA
*
* @implemented
*/
LONG WINAPI
RegCreateKeyExA(
_In_ HKEY hKey,
_In_ LPCSTR lpSubKey,
_In_ DWORD Reserved,
_In_ LPSTR lpClass,
_In_ DWORD dwOptions,
_In_ REGSAM samDesired,
_In_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
_Out_ PHKEY phkResult,
_Out_ LPDWORD lpdwDisposition)
{
UNICODE_STRING SubKeyString;
UNICODE_STRING ClassString;
DWORD ErrorCode;
RtlInitEmptyUnicodeString(&ClassString, NULL, 0);
RtlInitEmptyUnicodeString(&SubKeyString, NULL, 0);
if (lpClass)
{
if (!RtlCreateUnicodeStringFromAsciiz(&ClassString, lpClass))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyString, lpSubKey))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
ErrorCode = RegCreateKeyExW(
hKey,
SubKeyString.Buffer,
Reserved,
ClassString.Buffer,
dwOptions,
samDesired,
lpSecurityAttributes,
phkResult,
lpdwDisposition);
Exit:
RtlFreeUnicodeString(&SubKeyString);
RtlFreeUnicodeString(&ClassString);
return ErrorCode;
}
/************************************************************************
* RegCreateKeyExW
*
* @implemented
*/
LONG
WINAPI
RegCreateKeyExW(
_In_ HKEY hKey,
_In_ LPCWSTR lpSubKey,
_In_ DWORD Reserved,
_In_opt_ LPWSTR lpClass,
_In_ DWORD dwOptions,
_In_ REGSAM samDesired,
_In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
_Out_ PHKEY phkResult,
_Out_opt_ LPDWORD lpdwDisposition)
{
UNICODE_STRING SubKeyString;
UNICODE_STRING ClassString;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE ParentKey;
ULONG Attributes = OBJ_CASE_INSENSITIVE;
NTSTATUS Status;
TRACE("RegCreateKeyExW() called\n");
if (lpSecurityAttributes && lpSecurityAttributes->nLength != sizeof(SECURITY_ATTRIBUTES))
return ERROR_INVALID_USER_BUFFER;
/* get the real parent key */
Status = MapDefaultKey(&ParentKey,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
TRACE("ParentKey %p\n", ParentKey);
if (IsHKCRKey(ParentKey))
{
LONG ErrorCode = CreateHKCRKey(
ParentKey,
lpSubKey,
Reserved,
lpClass,
dwOptions,
samDesired,
lpSecurityAttributes,
phkResult,
lpdwDisposition);
ClosePredefKey(ParentKey);
return ErrorCode;
}
if (dwOptions & REG_OPTION_OPEN_LINK)
Attributes |= OBJ_OPENLINK;
RtlInitUnicodeString(&ClassString,
lpClass);
RtlInitUnicodeString(&SubKeyString,
lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyString,
Attributes,
(HANDLE)ParentKey,
lpSecurityAttributes ? (PSECURITY_DESCRIPTOR)lpSecurityAttributes->lpSecurityDescriptor : NULL);
Status = CreateNestedKey(phkResult,
&ObjectAttributes,
(lpClass == NULL)? NULL : &ClassString,
dwOptions,
samDesired,
lpdwDisposition);
ClosePredefKey(ParentKey);
TRACE("Status %x\n", Status);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegCreateKeyA
*
* @implemented
*/
LONG WINAPI
RegCreateKeyA(HKEY hKey,
LPCSTR lpSubKey,
PHKEY phkResult)
{
return RegCreateKeyExA(hKey,
lpSubKey,
0,
NULL,
0,
MAXIMUM_ALLOWED,
NULL,
phkResult,
NULL);
}
/************************************************************************
* RegCreateKeyW
*
* @implemented
*/
LONG WINAPI
RegCreateKeyW(HKEY hKey,
LPCWSTR lpSubKey,
PHKEY phkResult)
{
return RegCreateKeyExW(hKey,
lpSubKey,
0,
NULL,
0,
MAXIMUM_ALLOWED,
NULL,
phkResult,
NULL);
}
/************************************************************************
* RegDeleteKeyA
*
* @implemented
*/
LONG
WINAPI
RegDeleteKeyA(
_In_ HKEY hKey,
_In_ LPCSTR lpSubKey)
{
return RegDeleteKeyExA(hKey, lpSubKey, 0, 0);
}
/************************************************************************
* RegDeleteKeyW
*
* @implemented
*/
LONG
WINAPI
RegDeleteKeyW(
_In_ HKEY hKey,
_In_ LPCWSTR lpSubKey)
{
return RegDeleteKeyExW(hKey, lpSubKey, 0, 0);
}
/************************************************************************
* RegDeleteKeyExA
*
* @implemented
*/
LONG
WINAPI
RegDeleteKeyExA(
_In_ HKEY hKey,
_In_ LPCSTR lpSubKey,
_In_ REGSAM samDesired,
_In_ DWORD Reserved)
{
LONG ErrorCode;
UNICODE_STRING SubKeyName;
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyName, lpSubKey))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&SubKeyName, NULL, 0);
ErrorCode = RegDeleteKeyExW(hKey, SubKeyName.Buffer, samDesired, Reserved);
RtlFreeUnicodeString(&SubKeyName);
return ErrorCode;
}
/************************************************************************
* RegDeleteKeyExW
*
* @implemented
*/
LONG
WINAPI
RegDeleteKeyExW(
_In_ HKEY hKey,
_In_ LPCWSTR lpSubKey,
_In_ REGSAM samDesired,
_In_ DWORD Reserved)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
HANDLE ParentKey;
HANDLE TargetKey;
NTSTATUS Status;
/* Make sure we got a subkey */
if (!lpSubKey)
{
/* Fail */
return ERROR_INVALID_PARAMETER;
}
Status = MapDefaultKey(&ParentKey,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (IsHKCRKey(ParentKey))
{
LONG ErrorCode = DeleteHKCRKey(ParentKey, lpSubKey, samDesired, Reserved);
ClosePredefKey(ParentKey);
return ErrorCode;
}
if (samDesired & KEY_WOW64_32KEY)
ERR("Wow64 not yet supported!\n");
if (samDesired & KEY_WOW64_64KEY)
ERR("Wow64 not yet supported!\n");
RtlInitUnicodeString(&SubKeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
ParentKey,
NULL);
Status = NtOpenKey(&TargetKey,
DELETE,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
Status = NtDeleteKey(TargetKey);
NtClose(TargetKey);
Cleanup:
ClosePredefKey(ParentKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegDeleteKeyValueW
*
* @implemented
*/
LONG WINAPI
RegDeleteKeyValueW(IN HKEY hKey,
IN LPCWSTR lpSubKey OPTIONAL,
IN LPCWSTR lpValueName OPTIONAL)
{
UNICODE_STRING ValueName;
HANDLE KeyHandle, CurKey, SubKeyHandle = NULL;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (lpSubKey != NULL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
RtlInitUnicodeString(&SubKeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&SubKeyHandle,
KEY_SET_VALUE,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
CurKey = SubKeyHandle;
}
else
CurKey = KeyHandle;
RtlInitUnicodeString(&ValueName,
(LPWSTR)lpValueName);
Status = NtDeleteValueKey(CurKey,
&ValueName);
if (SubKeyHandle != NULL)
{
NtClose(SubKeyHandle);
}
Cleanup:
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegDeleteKeyValueA
*
* @implemented
*/
LONG WINAPI
RegDeleteKeyValueA(IN HKEY hKey,
IN LPCSTR lpSubKey OPTIONAL,
IN LPCSTR lpValueName OPTIONAL)
{
UNICODE_STRING SubKey = { 0, 0, NULL }, ValueName = { 0, 0, NULL };
LONG Ret;
if (lpSubKey != NULL &&
!RtlCreateUnicodeStringFromAsciiz(&SubKey,
(LPSTR)lpSubKey))
{
return ERROR_NOT_ENOUGH_MEMORY;
}
if (lpValueName != NULL &&
!RtlCreateUnicodeStringFromAsciiz(&ValueName,
(LPSTR)lpValueName))
{
RtlFreeUnicodeString(&SubKey);
return ERROR_NOT_ENOUGH_MEMORY;
}
Ret = RegDeleteKeyValueW(hKey,
SubKey.Buffer,
SubKey.Buffer);
RtlFreeUnicodeString(&SubKey);
RtlFreeUnicodeString(&ValueName);
return Ret;
}
#if 0
// Non-recursive RegDeleteTreeW implementation by Thomas, however it needs bugfixing
static NTSTATUS
RegpDeleteTree(IN HKEY hKey)
{
typedef struct
{
LIST_ENTRY ListEntry;
HANDLE KeyHandle;
} REGP_DEL_KEYS, *PREG_DEL_KEYS;
LIST_ENTRY delQueueHead;
PREG_DEL_KEYS delKeys, newDelKeys;
HANDLE ProcessHeap;
ULONG BufferSize;
PKEY_BASIC_INFORMATION BasicInfo;
PREG_DEL_KEYS KeyDelRoot;
NTSTATUS Status = STATUS_SUCCESS;
NTSTATUS Status2 = STATUS_SUCCESS;
InitializeListHead(&delQueueHead);
ProcessHeap = RtlGetProcessHeap();
/* NOTE: no need to allocate enough memory for an additional KEY_BASIC_INFORMATION
structure for the root key, we only do that for subkeys as we need to
allocate REGP_DEL_KEYS structures anyway! */
KeyDelRoot = RtlAllocateHeap(ProcessHeap,
0,
sizeof(REGP_DEL_KEYS));
if (KeyDelRoot != NULL)
{
KeyDelRoot->KeyHandle = hKey;
InsertTailList(&delQueueHead,
&KeyDelRoot->ListEntry);
do
{
delKeys = CONTAINING_RECORD(delQueueHead.Flink,
REGP_DEL_KEYS,
ListEntry);
BufferSize = 0;
BasicInfo = NULL;
newDelKeys = NULL;
ReadFirstSubKey:
/* check if this key contains subkeys and delete them first by queuing
them at the head of the list */
Status2 = NtEnumerateKey(delKeys->KeyHandle,
0,
KeyBasicInformation,
BasicInfo,
BufferSize,
&BufferSize);
if (NT_SUCCESS(Status2))
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
ASSERT(newDelKeys != NULL);
ASSERT(BasicInfo != NULL);
/* don't use RtlInitUnicodeString as the string is not NULL-terminated! */
SubKeyName.Length = BasicInfo->NameLength;
SubKeyName.MaximumLength = BasicInfo->NameLength;
SubKeyName.Buffer = BasicInfo->Name;
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
delKeys->KeyHandle,
NULL);
/* open the subkey */
Status2 = NtOpenKey(&newDelKeys->KeyHandle,
DELETE | KEY_ENUMERATE_SUB_KEYS,
&ObjectAttributes);
if (!NT_SUCCESS(Status2))
{
goto SubKeyFailure;
}
/* enqueue this key to the head of the deletion queue */
InsertHeadList(&delQueueHead,
&newDelKeys->ListEntry);
/* try again from the head of the list */
continue;
}
else
{
if (Status2 == STATUS_BUFFER_TOO_SMALL)
{
newDelKeys = RtlAllocateHeap(ProcessHeap,
0,
BufferSize + sizeof(REGP_DEL_KEYS));
if (newDelKeys != NULL)
{
BasicInfo = (PKEY_BASIC_INFORMATION)(newDelKeys + 1);
/* try again */
goto ReadFirstSubKey;
}
else
{
/* don't break, let's try to delete as many keys as possible */
Status2 = STATUS_INSUFFICIENT_RESOURCES;
goto SubKeyFailureNoFree;
}
}
else if (Status2 == STATUS_BUFFER_OVERFLOW)
{
PREG_DEL_KEYS newDelKeys2;
ASSERT(newDelKeys != NULL);
/* we need more memory to query the key name */
newDelKeys2 = RtlReAllocateHeap(ProcessHeap,
0,
newDelKeys,
BufferSize + sizeof(REGP_DEL_KEYS));
if (newDelKeys2 != NULL)
{
newDelKeys = newDelKeys2;
BasicInfo = (PKEY_BASIC_INFORMATION)(newDelKeys + 1);
/* try again */
goto ReadFirstSubKey;
}
else
{
/* don't break, let's try to delete as many keys as possible */
Status2 = STATUS_INSUFFICIENT_RESOURCES;
}
}
else if (Status2 == STATUS_NO_MORE_ENTRIES)
{
/* in some race conditions where another thread would delete
the same tree at the same time, newDelKeys could actually
be != NULL! */
if (newDelKeys != NULL)
{
RtlFreeHeap(ProcessHeap,
0,
newDelKeys);
}
break;
}
SubKeyFailure:
/* newDelKeys can be NULL here when NtEnumerateKey returned an
error other than STATUS_BUFFER_TOO_SMALL or STATUS_BUFFER_OVERFLOW! */
if (newDelKeys != NULL)
{
RtlFreeHeap(ProcessHeap,
0,
newDelKeys);
}
SubKeyFailureNoFree:
/* don't break, let's try to delete as many keys as possible */
if (NT_SUCCESS(Status))
{
Status = Status2;
}
}
Status2 = NtDeleteKey(delKeys->KeyHandle);
/* NOTE: do NOT close the handle anymore, it's invalid already! */
if (!NT_SUCCESS(Status2))
{
/* close the key handle so we don't leak handles for keys we were
unable to delete. But only do this for handles not supplied
by the caller! */
if (delKeys->KeyHandle != hKey)
{
NtClose(delKeys->KeyHandle);
}
if (NT_SUCCESS(Status))
{
/* don't break, let's try to delete as many keys as possible */
Status = Status2;
}
}
/* remove the entry from the list */
RemoveEntryList(&delKeys->ListEntry);
RtlFreeHeap(ProcessHeap,
0,
delKeys);
} while (!IsListEmpty(&delQueueHead));
}
else
Status = STATUS_INSUFFICIENT_RESOURCES;
return Status;
}
/************************************************************************
* RegDeleteTreeW
*
* @implemented
*/
LONG WINAPI
RegDeleteTreeW(IN HKEY hKey,
IN LPCWSTR lpSubKey OPTIONAL)
{
HANDLE KeyHandle, CurKey, SubKeyHandle = NULL;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (lpSubKey != NULL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
RtlInitUnicodeString(&SubKeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&SubKeyHandle,
DELETE | KEY_ENUMERATE_SUB_KEYS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
CurKey = SubKeyHandle;
}
else
CurKey = KeyHandle;
Status = RegpDeleteTree(CurKey);
if (NT_SUCCESS(Status))
{
/* make sure we only close hKey (KeyHandle) when the caller specified a
subkey, because the handle would be invalid already! */
if (CurKey != KeyHandle)
{
ClosePredefKey(KeyHandle);
}
return ERROR_SUCCESS;
}
else
{
/* make sure we close all handles we created! */
if (SubKeyHandle != NULL)
{
NtClose(SubKeyHandle);
}
Cleanup:
ClosePredefKey(KeyHandle);
return RtlNtStatusToDosError(Status);
}
}
#endif
/************************************************************************
* RegDeleteTreeW
*
* @implemented
*/
LSTATUS
WINAPI
RegDeleteTreeW(HKEY hKey,
LPCWSTR lpszSubKey)
{
LONG ret;
DWORD dwMaxSubkeyLen, dwMaxValueLen;
DWORD dwMaxLen, dwSize;
NTSTATUS Status;
HANDLE KeyHandle;
HKEY hSubKey;
WCHAR szNameBuf[MAX_PATH], *lpszName = szNameBuf;
TRACE("(hkey=%p,%p %s)\n", hKey, lpszSubKey, debugstr_w(lpszSubKey));
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
hSubKey = KeyHandle;
if(lpszSubKey)
{
ret = RegOpenKeyExW(KeyHandle, lpszSubKey, 0, KEY_READ, &hSubKey);
if (ret)
{
ClosePredefKey(KeyHandle);
return ret;
}
}
/* Get highest length for keys, values */
ret = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, NULL,
&dwMaxSubkeyLen, NULL, NULL, &dwMaxValueLen, NULL, NULL, NULL);
if (ret) goto cleanup;
dwMaxSubkeyLen++;
dwMaxValueLen++;
dwMaxLen = max(dwMaxSubkeyLen, dwMaxValueLen);
if (dwMaxLen > sizeof(szNameBuf)/sizeof(WCHAR))
{
/* Name too big: alloc a buffer for it */
if (!(lpszName = RtlAllocateHeap( RtlGetProcessHeap(), 0, dwMaxLen*sizeof(WCHAR))))
{
ret = ERROR_NOT_ENOUGH_MEMORY;
goto cleanup;
}
}
/* Recursively delete all the subkeys */
while (TRUE)
{
dwSize = dwMaxLen;
if (RegEnumKeyExW(hSubKey, 0, lpszName, &dwSize, NULL,
NULL, NULL, NULL)) break;
ret = RegDeleteTreeW(hSubKey, lpszName);
if (ret) goto cleanup;
}
if (lpszSubKey)
ret = RegDeleteKeyW(KeyHandle, lpszSubKey);
else
while (TRUE)
{
dwSize = dwMaxLen;
if (RegEnumValueW(KeyHandle, 0, lpszName, &dwSize,
NULL, NULL, NULL, NULL)) break;
ret = RegDeleteValueW(KeyHandle, lpszName);
if (ret) goto cleanup;
}
cleanup:
/* Free buffer if allocated */
if (lpszName != szNameBuf)
RtlFreeHeap( RtlGetProcessHeap(), 0, lpszName);
if(lpszSubKey)
RegCloseKey(hSubKey);
ClosePredefKey(KeyHandle);
return ret;
}
/************************************************************************
* RegDeleteTreeA
*
* @implemented
*/
LONG WINAPI
RegDeleteTreeA(IN HKEY hKey,
IN LPCSTR lpSubKey OPTIONAL)
{
UNICODE_STRING SubKeyName = { 0, 0, NULL };
LONG Ret;
if (lpSubKey != NULL &&
!RtlCreateUnicodeStringFromAsciiz(&SubKeyName,
(LPSTR)lpSubKey))
{
return ERROR_NOT_ENOUGH_MEMORY;
}
Ret = RegDeleteTreeW(hKey,
SubKeyName.Buffer);
RtlFreeUnicodeString(&SubKeyName);
return Ret;
}
/************************************************************************
* RegDisableReflectionKey
*
* @unimplemented
*/
LONG WINAPI
RegDisableReflectionKey(IN HKEY hBase)
{
FIXME("RegDisableReflectionKey(0x%p) UNIMPLEMENTED!\n", hBase);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/************************************************************************
* RegEnableReflectionKey
*
* @unimplemented
*/
LONG WINAPI
RegEnableReflectionKey(IN HKEY hBase)
{
FIXME("RegEnableReflectionKey(0x%p) UNIMPLEMENTED!\n", hBase);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/******************************************************************************
* RegpApplyRestrictions [internal]
*
* Helper function for RegGetValueA/W.
*/
static VOID
RegpApplyRestrictions(DWORD dwFlags,
DWORD dwType,
DWORD cbData,
PLONG ret)
{
/* Check if the type is restricted by the passed flags */
if (*ret == ERROR_SUCCESS || *ret == ERROR_MORE_DATA)
{
DWORD dwMask = 0;
switch (dwType)
{
case REG_NONE: dwMask = RRF_RT_REG_NONE; break;
case REG_SZ: dwMask = RRF_RT_REG_SZ; break;
case REG_EXPAND_SZ: dwMask = RRF_RT_REG_EXPAND_SZ; break;
case REG_MULTI_SZ: dwMask = RRF_RT_REG_MULTI_SZ; break;
case REG_BINARY: dwMask = RRF_RT_REG_BINARY; break;
case REG_DWORD: dwMask = RRF_RT_REG_DWORD; break;
case REG_QWORD: dwMask = RRF_RT_REG_QWORD; break;
}
if (dwFlags & dwMask)
{
/* Type is not restricted, check for size mismatch */
if (dwType == REG_BINARY)
{
DWORD cbExpect = 0;
if ((dwFlags & RRF_RT_ANY) == RRF_RT_DWORD)
cbExpect = 4;
else if ((dwFlags & RRF_RT_ANY) == RRF_RT_QWORD)
cbExpect = 8;
if (cbExpect && cbData != cbExpect)
*ret = ERROR_DATATYPE_MISMATCH;
}
}
else *ret = ERROR_UNSUPPORTED_TYPE;
}
}
/******************************************************************************
* RegGetValueW [ADVAPI32.@]
*
* Retrieves the type and data for a value name associated with a key,
* optionally expanding its content and restricting its type.
*
* PARAMS
* hKey [I] Handle to an open key.
* pszSubKey [I] Name of the subkey of hKey.
* pszValue [I] Name of value under hKey/szSubKey to query.
* dwFlags [I] Flags restricting the value type to retrieve.
* pdwType [O] Destination for the values type, may be NULL.
* pvData [O] Destination for the values content, may be NULL.
* pcbData [I/O] Size of pvData, updated with the size in bytes required to
* retrieve the whole content, including the trailing '\0'
* for strings.
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: nonzero error code from Winerror.h
*
* NOTES
* - Unless RRF_NOEXPAND is specified, REG_EXPAND_SZ values are automatically
* expanded and pdwType is set to REG_SZ instead.
* - Restrictions are applied after expanding, using RRF_RT_REG_EXPAND_SZ
* without RRF_NOEXPAND is thus not allowed.
* An exception is the case where RRF_RT_ANY is specified, because then
* RRF_NOEXPAND is allowed.
*/
LSTATUS WINAPI
RegGetValueW(HKEY hKey,
LPCWSTR pszSubKey,
LPCWSTR pszValue,
DWORD dwFlags,
LPDWORD pdwType,
PVOID pvData,
LPDWORD pcbData)
{
DWORD dwType, cbData = pcbData ? *pcbData : 0;
PVOID pvBuf = NULL;
LONG ret;
TRACE("(%p,%s,%s,%ld,%p,%p,%p=%ld)\n",
hKey, debugstr_w(pszSubKey), debugstr_w(pszValue), dwFlags, pdwType,
pvData, pcbData, cbData);
if (pvData && !pcbData)
return ERROR_INVALID_PARAMETER;
if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) &&
((dwFlags & RRF_RT_ANY) != RRF_RT_ANY))
return ERROR_INVALID_PARAMETER;
if (pszSubKey && pszSubKey[0])
{
ret = RegOpenKeyExW(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey);
if (ret != ERROR_SUCCESS) return ret;
}
ret = RegQueryValueExW(hKey, pszValue, NULL, &dwType, pvData, &cbData);
/* If we are going to expand we need to read in the whole the value even
* if the passed buffer was too small as the expanded string might be
* smaller than the unexpanded one and could fit into cbData bytes. */
if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) &&
dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND))
{
do
{
HeapFree(GetProcessHeap(), 0, pvBuf);
pvBuf = HeapAlloc(GetProcessHeap(), 0, cbData);
if (!pvBuf)
{
ret = ERROR_NOT_ENOUGH_MEMORY;
break;
}
if (ret == ERROR_MORE_DATA || !pvData)
ret = RegQueryValueExW(hKey, pszValue, NULL,
&dwType, pvBuf, &cbData);
else
{
/* Even if cbData was large enough we have to copy the
* string since ExpandEnvironmentStrings can't handle
* overlapping buffers. */
CopyMemory(pvBuf, pvData, cbData);
}
/* Both the type or the value itself could have been modified in
* between so we have to keep retrying until the buffer is large
* enough or we no longer have to expand the value. */
}
while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA);
if (ret == ERROR_SUCCESS)
{
/* Recheck dwType in case it changed since the first call */
if (dwType == REG_EXPAND_SZ)
{
cbData = ExpandEnvironmentStringsW(pvBuf, pvData,
pcbData ? *pcbData : 0) * sizeof(WCHAR);
dwType = REG_SZ;
if (pvData && pcbData && cbData > *pcbData)
ret = ERROR_MORE_DATA;
}
else if (pvData)
CopyMemory(pvData, pvBuf, *pcbData);
}
HeapFree(GetProcessHeap(), 0, pvBuf);
}
if (pszSubKey && pszSubKey[0])
RegCloseKey(hKey);
RegpApplyRestrictions(dwFlags, dwType, cbData, &ret);
if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE))
ZeroMemory(pvData, *pcbData);
if (pdwType)
*pdwType = dwType;
if (pcbData)
*pcbData = cbData;
return ret;
}
/******************************************************************************
* RegGetValueA [ADVAPI32.@]
*
* See RegGetValueW.
*/
LSTATUS WINAPI
RegGetValueA(HKEY hKey,
LPCSTR pszSubKey,
LPCSTR pszValue,
DWORD dwFlags,
LPDWORD pdwType,
PVOID pvData,
LPDWORD pcbData)
{
DWORD dwType, cbData = pcbData ? *pcbData : 0;
PVOID pvBuf = NULL;
LONG ret;
TRACE("(%p,%s,%s,%ld,%p,%p,%p=%ld)\n",
hKey, pszSubKey, pszValue, dwFlags, pdwType, pvData, pcbData,
cbData);
if (pvData && !pcbData)
return ERROR_INVALID_PARAMETER;
if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) &&
((dwFlags & RRF_RT_ANY) != RRF_RT_ANY))
return ERROR_INVALID_PARAMETER;
if (pszSubKey && pszSubKey[0])
{
ret = RegOpenKeyExA(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey);
if (ret != ERROR_SUCCESS) return ret;
}
ret = RegQueryValueExA(hKey, pszValue, NULL, &dwType, pvData, &cbData);
/* If we are going to expand we need to read in the whole the value even
* if the passed buffer was too small as the expanded string might be
* smaller than the unexpanded one and could fit into cbData bytes. */
if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) &&
(dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND)))
{
do {
HeapFree(GetProcessHeap(), 0, pvBuf);
pvBuf = HeapAlloc(GetProcessHeap(), 0, cbData);
if (!pvBuf)
{
ret = ERROR_NOT_ENOUGH_MEMORY;
break;
}
if (ret == ERROR_MORE_DATA || !pvData)
ret = RegQueryValueExA(hKey, pszValue, NULL,
&dwType, pvBuf, &cbData);
else
{
/* Even if cbData was large enough we have to copy the
* string since ExpandEnvironmentStrings can't handle
* overlapping buffers. */
CopyMemory(pvBuf, pvData, cbData);
}
/* Both the type or the value itself could have been modified in
* between so we have to keep retrying until the buffer is large
* enough or we no longer have to expand the value. */
} while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA);
if (ret == ERROR_SUCCESS)
{
/* Recheck dwType in case it changed since the first call */
if (dwType == REG_EXPAND_SZ)
{
cbData = ExpandEnvironmentStringsA(pvBuf, pvData,
pcbData ? *pcbData : 0);
dwType = REG_SZ;
if(pvData && pcbData && cbData > *pcbData)
ret = ERROR_MORE_DATA;
}
else if (pvData)
CopyMemory(pvData, pvBuf, *pcbData);
}
HeapFree(GetProcessHeap(), 0, pvBuf);
}
if (pszSubKey && pszSubKey[0])
RegCloseKey(hKey);
RegpApplyRestrictions(dwFlags, dwType, cbData, &ret);
if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE))
ZeroMemory(pvData, *pcbData);
if (pdwType) *pdwType = dwType;
if (pcbData) *pcbData = cbData;
return ret;
}
/************************************************************************
* RegSetKeyValueW
*
* @implemented
*/
LONG WINAPI
RegSetKeyValueW(IN HKEY hKey,
IN LPCWSTR lpSubKey OPTIONAL,
IN LPCWSTR lpValueName OPTIONAL,
IN DWORD dwType,
IN LPCVOID lpData OPTIONAL,
IN DWORD cbData)
{
HANDLE KeyHandle, CurKey, SubKeyHandle = NULL;
NTSTATUS Status;
LONG Ret;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (lpSubKey != NULL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
RtlInitUnicodeString(&SubKeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&SubKeyHandle,
KEY_SET_VALUE,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
Ret = RtlNtStatusToDosError(Status);
goto Cleanup;
}
CurKey = SubKeyHandle;
}
else
CurKey = KeyHandle;
Ret = RegSetValueExW(CurKey,
lpValueName,
0,
dwType,
lpData,
cbData);
if (SubKeyHandle != NULL)
{
NtClose(SubKeyHandle);
}
Cleanup:
ClosePredefKey(KeyHandle);
return Ret;
}
/************************************************************************
* RegSetKeyValueA
*
* @implemented
*/
LONG WINAPI
RegSetKeyValueA(IN HKEY hKey,
IN LPCSTR lpSubKey OPTIONAL,
IN LPCSTR lpValueName OPTIONAL,
IN DWORD dwType,
IN LPCVOID lpData OPTIONAL,
IN DWORD cbData)
{
HANDLE KeyHandle, CurKey, SubKeyHandle = NULL;
NTSTATUS Status;
LONG Ret;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (lpSubKey != NULL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyName;
if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyName,
(LPSTR)lpSubKey))
{
Ret = ERROR_NOT_ENOUGH_MEMORY;
goto Cleanup;
}
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&SubKeyHandle,
KEY_SET_VALUE,
&ObjectAttributes);
RtlFreeUnicodeString(&SubKeyName);
if (!NT_SUCCESS(Status))
{
Ret = RtlNtStatusToDosError(Status);
goto Cleanup;
}
CurKey = SubKeyHandle;
}
else
CurKey = KeyHandle;
Ret = RegSetValueExA(CurKey,
lpValueName,
0,
dwType,
lpData,
cbData);
if (SubKeyHandle != NULL)
{
NtClose(SubKeyHandle);
}
Cleanup:
ClosePredefKey(KeyHandle);
return Ret;
}
/************************************************************************
* RegDeleteValueA
*
* @implemented
*/
LONG WINAPI
RegDeleteValueA(HKEY hKey,
LPCSTR lpValueName)
{
UNICODE_STRING ValueName;
HANDLE KeyHandle;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
RtlCreateUnicodeStringFromAsciiz(&ValueName,
(LPSTR)lpValueName);
Status = NtDeleteValueKey(KeyHandle,
&ValueName);
RtlFreeUnicodeString (&ValueName);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegDeleteValueW
*
* @implemented
*/
LONG WINAPI
RegDeleteValueW(HKEY hKey,
LPCWSTR lpValueName)
{
UNICODE_STRING ValueName;
NTSTATUS Status;
HANDLE KeyHandle;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
RtlInitUnicodeString(&ValueName,
(LPWSTR)lpValueName);
Status = NtDeleteValueKey(KeyHandle,
&ValueName);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegEnumKeyA
*
* @implemented
*/
LONG WINAPI
RegEnumKeyA(HKEY hKey,
DWORD dwIndex,
LPSTR lpName,
DWORD cbName)
{
DWORD dwLength;
dwLength = cbName;
return RegEnumKeyExA(hKey,
dwIndex,
lpName,
&dwLength,
NULL,
NULL,
NULL,
NULL);
}
/************************************************************************
* RegEnumKeyW
*
* @implemented
*/
LONG WINAPI
RegEnumKeyW(HKEY hKey,
DWORD dwIndex,
LPWSTR lpName,
DWORD cbName)
{
DWORD dwLength;
dwLength = cbName;
return RegEnumKeyExW(hKey,
dwIndex,
lpName,
&dwLength,
NULL,
NULL,
NULL,
NULL);
}
/************************************************************************
* RegEnumKeyExA
*
* @implemented
*/
LONG
WINAPI
RegEnumKeyExA(
_In_ HKEY hKey,
_In_ DWORD dwIndex,
_Out_ LPSTR lpName,
_Inout_ LPDWORD lpcbName,
_Reserved_ LPDWORD lpReserved,
_Out_opt_ LPSTR lpClass,
_Inout_opt_ LPDWORD lpcbClass,
_Out_opt_ PFILETIME lpftLastWriteTime)
{
WCHAR* NameBuffer = NULL;
WCHAR* ClassBuffer = NULL;
DWORD NameLength, ClassLength;
LONG ErrorCode;
/* Allocate our buffers */
if (*lpcbName > 0)
{
NameLength = *lpcbName;
NameBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *lpcbName * sizeof(WCHAR));
if (NameBuffer == NULL)
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
if (lpClass)
{
if (*lpcbClass > 0)
{
ClassLength = *lpcbClass;
ClassBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *lpcbClass * sizeof(WCHAR));
if (ClassBuffer == NULL)
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
}
/* Do the actual call */
ErrorCode = RegEnumKeyExW(
hKey,
dwIndex,
NameBuffer,
lpcbName,
lpReserved,
ClassBuffer,
lpcbClass,
lpftLastWriteTime);
if (ErrorCode != ERROR_SUCCESS)
goto Exit;
/* Convert the strings */
RtlUnicodeToMultiByteN(lpName, *lpcbName, 0, NameBuffer, *lpcbName * sizeof(WCHAR));
/* NULL terminate if we can */
if (NameLength > *lpcbName)
lpName[*lpcbName] = '\0';
if (lpClass)
{
RtlUnicodeToMultiByteN(lpClass, *lpcbClass, 0, NameBuffer, *lpcbClass * sizeof(WCHAR));
if (ClassLength > *lpcbClass)
lpClass[*lpcbClass] = '\0';
}
Exit:
if (NameBuffer)
RtlFreeHeap(RtlGetProcessHeap(), 0, NameBuffer);
if (ClassBuffer)
RtlFreeHeap(RtlGetProcessHeap(), 0, ClassBuffer);
return ErrorCode;
}
/************************************************************************
* RegEnumKeyExW
*
* @implemented
*/
LONG
WINAPI
RegEnumKeyExW(
_In_ HKEY hKey,
_In_ DWORD dwIndex,
_Out_ LPWSTR lpName,
_Inout_ LPDWORD lpcbName,
_Reserved_ LPDWORD lpReserved,
_Out_opt_ LPWSTR lpClass,
_Inout_opt_ LPDWORD lpcbClass,
_Out_opt_ PFILETIME lpftLastWriteTime)
{
union
{
KEY_NODE_INFORMATION Node;
KEY_BASIC_INFORMATION Basic;
} *KeyInfo;
ULONG BufferSize;
ULONG ResultSize;
ULONG NameLength;
ULONG ClassLength = 0;
HANDLE KeyHandle;
LONG ErrorCode = ERROR_SUCCESS;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (IsHKCRKey(KeyHandle))
{
ErrorCode = EnumHKCRKey(
KeyHandle,
dwIndex,
lpName,
lpcbName,
lpReserved,
lpClass,
lpcbClass,
lpftLastWriteTime);
ClosePredefKey(KeyHandle);
return ErrorCode;
}
if (*lpcbName > 0)
{
NameLength = min (*lpcbName - 1, REG_MAX_NAME_SIZE) * sizeof (WCHAR);
}
else
{
NameLength = 0;
}
if (lpClass)
{
if (*lpcbClass > 0)
{
ClassLength = min (*lpcbClass - 1, REG_MAX_NAME_SIZE) * sizeof(WCHAR);
}
else
{
ClassLength = 0;
}
BufferSize = ((sizeof(KEY_NODE_INFORMATION) + NameLength + 3) & ~3) + ClassLength;
}
else
{
BufferSize = sizeof(KEY_BASIC_INFORMATION) + NameLength;
}
KeyInfo = RtlAllocateHeap(ProcessHeap,
0,
BufferSize);
if (KeyInfo == NULL)
{
ErrorCode = ERROR_OUTOFMEMORY;
goto Cleanup;
}
Status = NtEnumerateKey(KeyHandle,
(ULONG)dwIndex,
lpClass ? KeyNodeInformation : KeyBasicInformation,
KeyInfo,
BufferSize,
&ResultSize);
TRACE("NtEnumerateKey() returned status 0x%X\n", Status);
if (!NT_SUCCESS(Status))
{
ErrorCode = RtlNtStatusToDosError (Status);
}
else
{
if (lpClass == NULL)
{
if (KeyInfo->Basic.NameLength > NameLength)
{
ErrorCode = ERROR_BUFFER_OVERFLOW;
}
else
{
RtlCopyMemory(lpName,
KeyInfo->Basic.Name,
KeyInfo->Basic.NameLength);
*lpcbName = (DWORD)(KeyInfo->Basic.NameLength / sizeof(WCHAR));
lpName[*lpcbName] = 0;
}
}
else
{
if (KeyInfo->Node.NameLength > NameLength ||
KeyInfo->Node.ClassLength > ClassLength)
{
ErrorCode = ERROR_BUFFER_OVERFLOW;
}
else
{
RtlCopyMemory(lpName,
KeyInfo->Node.Name,
KeyInfo->Node.NameLength);
*lpcbName = KeyInfo->Node.NameLength / sizeof(WCHAR);
lpName[*lpcbName] = 0;
RtlCopyMemory(lpClass,
(PVOID)((ULONG_PTR)KeyInfo->Node.Name + KeyInfo->Node.ClassOffset),
KeyInfo->Node.ClassLength);
*lpcbClass = (DWORD)(KeyInfo->Node.ClassLength / sizeof(WCHAR));
lpClass[*lpcbClass] = 0;
}
}
if (ErrorCode == ERROR_SUCCESS && lpftLastWriteTime != NULL)
{
if (lpClass == NULL)
{
lpftLastWriteTime->dwLowDateTime = KeyInfo->Basic.LastWriteTime.u.LowPart;
lpftLastWriteTime->dwHighDateTime = KeyInfo->Basic.LastWriteTime.u.HighPart;
}
else
{
lpftLastWriteTime->dwLowDateTime = KeyInfo->Node.LastWriteTime.u.LowPart;
lpftLastWriteTime->dwHighDateTime = KeyInfo->Node.LastWriteTime.u.HighPart;
}
}
}
RtlFreeHeap(ProcessHeap,
0,
KeyInfo);
Cleanup:
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegEnumValueA
*
* @implemented
*/
LONG WINAPI
RegEnumValueA(
_In_ HKEY hKey,
_In_ DWORD dwIndex,
_Out_ LPSTR lpName,
_Inout_ LPDWORD lpcbName,
_Reserved_ LPDWORD lpdwReserved,
_Out_opt_ LPDWORD lpdwType,
_Out_opt_ LPBYTE lpData,
_Inout_opt_ LPDWORD lpcbData)
{
WCHAR* NameBuffer;
DWORD NameBufferSize, NameLength;
LONG ErrorCode;
DWORD LocalType = REG_NONE;
BOOL NameOverflow = FALSE;
/* Do parameter checks now, once and for all. */
if (!lpName || !lpcbName)
return ERROR_INVALID_PARAMETER;
if ((lpData && !lpcbData) || lpdwReserved)
return ERROR_INVALID_PARAMETER;
/* Get the size of the buffer we must use for the first call ro RegEnumValueW */
ErrorCode = RegQueryInfoKeyW(
hKey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &NameBufferSize, NULL, NULL, NULL);
if (ErrorCode != ERROR_SUCCESS)
return ErrorCode;
/* Allocate the buffer for the unicode name */
NameBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, NameBufferSize * sizeof(WCHAR));
if (NameBuffer == NULL)
{
return ERROR_NOT_ENOUGH_MEMORY;
}
/*
* This code calls RegEnumValueW twice, because we need to know the type of the enumerated value.
* So for the first call, we check if we overflow on the name, as we have no way of knowing if this
* is an overflow on the data or on the name during the the second call. So the first time, we make the
* call with the supplied value. This is merdique, but this is how it is.
*/
NameLength = *lpcbName;
ErrorCode = RegEnumValueW(
hKey,
dwIndex,
NameBuffer,
&NameLength,
NULL,
&LocalType,
NULL,
NULL);
if (ErrorCode != ERROR_SUCCESS)
{
if (ErrorCode == ERROR_MORE_DATA)
NameOverflow = TRUE;
else
goto Exit;
}
if (is_string(LocalType) && lpcbData)
{
/* We must allocate a buffer to get the unicode data */
DWORD DataBufferSize = *lpcbData * sizeof(WCHAR);
WCHAR* DataBuffer = NULL;
DWORD DataLength = *lpcbData;
LPSTR DataStr = (LPSTR)lpData;
if (lpData)
DataBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *lpcbData * sizeof(WCHAR));
/* Do the real call */
ErrorCode = RegEnumValueW(
hKey,
dwIndex,
NameBuffer,
&NameBufferSize,
lpdwReserved,
lpdwType,
(LPBYTE)DataBuffer,
&DataBufferSize);
*lpcbData = DataBufferSize / sizeof(WCHAR);
if (ErrorCode != ERROR_SUCCESS)
{
RtlFreeHeap(RtlGetProcessHeap(), 0, DataBuffer);
goto Exit;
}
/* Copy the data whatever the error code is */
if (lpData)
{
/* Do the data conversion */
RtlUnicodeToMultiByteN(DataStr, DataLength, 0, DataBuffer, DataBufferSize);
/* NULL-terminate if there is enough room */
if ((DataLength > *lpcbData) && (DataStr[*lpcbData - 1] != '\0'))
DataStr[*lpcbData] = '\0';
}
RtlFreeHeap(RtlGetProcessHeap(), 0, DataBuffer);
}
else
{
/* No data conversion needed. Do the call with provided buffers */
ErrorCode = RegEnumValueW(
hKey,
dwIndex,
NameBuffer,
&NameBufferSize,
lpdwReserved,
lpdwType,
lpData,
lpcbData);
if (ErrorCode != ERROR_SUCCESS)
{
goto Exit;
}
}
if (NameOverflow)
{
ErrorCode = ERROR_MORE_DATA;
goto Exit;
}
/* Convert the name string */
RtlUnicodeToMultiByteN(lpName, *lpcbName, lpcbName, NameBuffer, NameBufferSize * sizeof(WCHAR));
((PSTR)lpName)[*lpcbName] = '\0';
Exit:
if (NameBuffer)
RtlFreeHeap(RtlGetProcessHeap(), 0, NameBuffer);
return ErrorCode;
}
/******************************************************************************
* RegEnumValueW [ADVAPI32.@]
* @implemented
*
* PARAMS
* hkey [I] Handle to key to query
* index [I] Index of value to query
* value [O] Value string
* val_count [I/O] Size of value buffer (in wchars)
* reserved [I] Reserved
* type [O] Type code
* data [O] Value data
* count [I/O] Size of data buffer (in bytes)
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: nonzero error code from Winerror.h
*/
LONG
WINAPI
RegEnumValueW(
_In_ HKEY hKey,
_In_ DWORD index,
_Out_ LPWSTR value,
_Inout_ PDWORD val_count,
_Reserved_ PDWORD reserved,
_Out_opt_ PDWORD type,
_Out_opt_ LPBYTE data,
_Inout_opt_ PDWORD count)
{
HANDLE KeyHandle;
NTSTATUS status;
ULONG total_size;
char buffer[256], *buf_ptr = buffer;
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
static const int info_size = FIELD_OFFSET( KEY_VALUE_FULL_INFORMATION, Name );
TRACE("(%p,%ld,%p,%p,%p,%p,%p,%p)\n",
hKey, index, value, val_count, reserved, type, data, count );
if (!value || !val_count)
return ERROR_INVALID_PARAMETER;
if ((data && !count) || reserved)
return ERROR_INVALID_PARAMETER;
status = MapDefaultKey(&KeyHandle, hKey);
if (!NT_SUCCESS(status))
{
return RtlNtStatusToDosError(status);
}
if (IsHKCRKey(KeyHandle))
{
LONG ErrorCode = EnumHKCRValue(
KeyHandle,
index,
value,
val_count,
reserved,
type,
data,
count);
ClosePredefKey(KeyHandle);
return ErrorCode;
}
total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
if (data) total_size += *count;
total_size = min( sizeof(buffer), total_size );
status = NtEnumerateValueKey( KeyHandle, index, KeyValueFullInformation,
buffer, total_size, &total_size );
if (status && (status != STATUS_BUFFER_OVERFLOW) && (status != STATUS_BUFFER_TOO_SMALL)) goto done;
if (value || data)
{
/* retry with a dynamically allocated buffer */
while ((status == STATUS_BUFFER_OVERFLOW) || (status == STATUS_BUFFER_TOO_SMALL))
{
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
{
status = ERROR_NOT_ENOUGH_MEMORY;
goto done;
}
info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
status = NtEnumerateValueKey( KeyHandle, 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 (info->DataLength > *count)
{
status = STATUS_BUFFER_OVERFLOW;
goto overflow;
}
memcpy( data, buf_ptr + info->DataOffset, info->DataLength );
if (is_string(info->Type) && info->DataLength <= *count - sizeof(WCHAR))
{
/* 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 + info->DataLength);
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 );
ClosePredefKey(KeyHandle);
return RtlNtStatusToDosError(status);
}
/************************************************************************
* RegFlushKey
*
* @implemented
*/
LONG WINAPI
RegFlushKey(HKEY hKey)
{
HANDLE KeyHandle;
NTSTATUS Status;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_SUCCESS;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
Status = NtFlushKey(KeyHandle);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegGetKeySecurity
*
* @implemented
*/
LONG WINAPI
RegGetKeySecurity(HKEY hKey,
SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR pSecurityDescriptor,
LPDWORD lpcbSecurityDescriptor)
{
HANDLE KeyHandle;
NTSTATUS Status;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
TRACE("MapDefaultKey() failed (Status %lx)\n", Status);
return RtlNtStatusToDosError(Status);
}
Status = NtQuerySecurityObject(KeyHandle,
SecurityInformation,
pSecurityDescriptor,
*lpcbSecurityDescriptor,
lpcbSecurityDescriptor);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
WARN("NtQuerySecurityObject() failed (Status %lx)\n", Status);
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegLoadKeyA
*
* @implemented
*/
LONG WINAPI
RegLoadKeyA(HKEY hKey,
LPCSTR lpSubKey,
LPCSTR lpFile)
{
UNICODE_STRING FileName;
UNICODE_STRING KeyName;
LONG ErrorCode;
RtlInitEmptyUnicodeString(&KeyName, NULL, 0);
RtlInitEmptyUnicodeString(&FileName, NULL, 0);
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&KeyName, lpSubKey))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
if (lpFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
ErrorCode = RegLoadKeyW(hKey,
KeyName.Buffer,
FileName.Buffer);
Exit:
RtlFreeUnicodeString(&FileName);
RtlFreeUnicodeString(&KeyName);
return ErrorCode;
}
/************************************************************************
* RegLoadKeyW
*
* @implemented
*/
LONG WINAPI
RegLoadKeyW(HKEY hKey,
LPCWSTR lpSubKey,
LPCWSTR lpFile)
{
OBJECT_ATTRIBUTES FileObjectAttributes;
OBJECT_ATTRIBUTES KeyObjectAttributes;
UNICODE_STRING FileName;
UNICODE_STRING KeyName;
HANDLE KeyHandle;
NTSTATUS Status;
LONG ErrorCode = ERROR_SUCCESS;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (!RtlDosPathNameToNtPathName_U(lpFile,
&FileName,
NULL,
NULL))
{
ErrorCode = ERROR_BAD_PATHNAME;
goto Cleanup;
}
InitializeObjectAttributes(&FileObjectAttributes,
&FileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
RtlInitUnicodeString(&KeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&KeyObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtLoadKey(&KeyObjectAttributes,
&FileObjectAttributes);
RtlFreeHeap(RtlGetProcessHeap(),
0,
FileName.Buffer);
if (!NT_SUCCESS(Status))
{
ErrorCode = RtlNtStatusToDosError(Status);
goto Cleanup;
}
Cleanup:
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegNotifyChangeKeyValue
*
* @unimplemented
*/
LONG WINAPI
RegNotifyChangeKeyValue(HKEY hKey,
BOOL bWatchSubtree,
DWORD dwNotifyFilter,
HANDLE hEvent,
BOOL fAsynchronous)
{
IO_STATUS_BLOCK IoStatusBlock;
HANDLE KeyHandle;
NTSTATUS Status;
LONG ErrorCode = ERROR_SUCCESS;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
if (fAsynchronous == TRUE && hEvent == NULL)
{
return ERROR_INVALID_PARAMETER;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
/* FIXME: Remote key handles must fail */
Status = NtNotifyChangeKey(KeyHandle,
hEvent,
0,
0,
&IoStatusBlock,
dwNotifyFilter,
bWatchSubtree,
0,
0,
fAsynchronous);
if (!NT_SUCCESS(Status) && Status != STATUS_TIMEOUT)
{
ErrorCode = RtlNtStatusToDosError(Status);
}
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegOpenCurrentUser
*
* @implemented
*/
LONG WINAPI
RegOpenCurrentUser(IN REGSAM samDesired,
OUT PHKEY phkResult)
{
NTSTATUS Status;
Status = RtlOpenCurrentUser((ACCESS_MASK)samDesired,
(PHANDLE)phkResult);
if (!NT_SUCCESS(Status))
{
/* NOTE - don't set the last error code! just return the error! */
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegOpenKeyA
*
* 20050503 Fireball - imported from WINE
*
* @implemented
*/
LONG WINAPI
RegOpenKeyA(HKEY hKey,
LPCSTR lpSubKey,
PHKEY phkResult)
{
TRACE("RegOpenKeyA hKey 0x%x lpSubKey %s phkResult %p\n",
hKey, lpSubKey, phkResult);
if (!phkResult)
return ERROR_INVALID_PARAMETER;
if (!hKey && lpSubKey && phkResult)
{
return ERROR_INVALID_HANDLE;
}
if (!lpSubKey || !*lpSubKey)
{
*phkResult = hKey;
return ERROR_SUCCESS;
}
return RegOpenKeyExA(hKey,
lpSubKey,
0,
MAXIMUM_ALLOWED,
phkResult);
}
/************************************************************************
* RegOpenKeyW
*
* 19981101 Ariadne
* 19990525 EA
* 20050503 Fireball - imported from WINE
*
* @implemented
*/
LONG WINAPI
RegOpenKeyW(HKEY hKey,
LPCWSTR lpSubKey,
PHKEY phkResult)
{
TRACE("RegOpenKeyW hKey 0x%x lpSubKey %S phkResult %p\n",
hKey, lpSubKey, phkResult);
if (!phkResult)
return ERROR_INVALID_PARAMETER;
if (!hKey && lpSubKey && phkResult)
{
return ERROR_INVALID_HANDLE;
}
if (!lpSubKey || !*lpSubKey)
{
*phkResult = hKey;
return ERROR_SUCCESS;
}
return RegOpenKeyExW(hKey,
lpSubKey,
0,
MAXIMUM_ALLOWED,
phkResult);
}
/************************************************************************
* RegOpenKeyExA
*
* @implemented
*/
LONG WINAPI
RegOpenKeyExA(
_In_ HKEY hKey,
_In_ LPCSTR lpSubKey,
_In_ DWORD ulOptions,
_In_ REGSAM samDesired,
_Out_ PHKEY phkResult)
{
UNICODE_STRING SubKeyString;
LONG ErrorCode;
TRACE("RegOpenKeyExA hKey 0x%x lpSubKey %s ulOptions 0x%x samDesired 0x%x phkResult %p\n",
hKey, lpSubKey, ulOptions, samDesired, phkResult);
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyString, lpSubKey))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&SubKeyString, NULL, 0);
ErrorCode = RegOpenKeyExW(hKey, SubKeyString.Buffer, ulOptions, samDesired, phkResult);
RtlFreeUnicodeString(&SubKeyString);
return ErrorCode;
}
/************************************************************************
* RegOpenKeyExW
*
* @implemented
*/
LONG WINAPI
RegOpenKeyExW(HKEY hKey,
LPCWSTR lpSubKey,
DWORD ulOptions,
REGSAM samDesired,
PHKEY phkResult)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING SubKeyString;
HANDLE KeyHandle;
NTSTATUS Status;
ULONG Attributes = OBJ_CASE_INSENSITIVE;
LONG ErrorCode = ERROR_SUCCESS;
TRACE("RegOpenKeyExW hKey 0x%x lpSubKey %S ulOptions 0x%x samDesired 0x%x phkResult %p\n",
hKey, lpSubKey, ulOptions, samDesired, phkResult);
if (!phkResult)
{
return ERROR_INVALID_PARAMETER;
}
Status = MapDefaultKey(&KeyHandle, hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (IsHKCRKey(KeyHandle))
{
ErrorCode = OpenHKCRKey(KeyHandle, lpSubKey, ulOptions, samDesired, phkResult);
ClosePredefKey(KeyHandle);
return ErrorCode;
}
if (ulOptions & REG_OPTION_OPEN_LINK)
Attributes |= OBJ_OPENLINK;
if (lpSubKey != NULL)
RtlInitUnicodeString(&SubKeyString, (LPWSTR)lpSubKey);
else
RtlInitUnicodeString(&SubKeyString, (LPWSTR)L"");
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyString,
Attributes,
KeyHandle,
NULL);
Status = NtOpenKey((PHANDLE)phkResult,
samDesired,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
ErrorCode = RtlNtStatusToDosError(Status);
}
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegOpenUserClassesRoot
*
* @implemented
*/
LONG WINAPI
RegOpenUserClassesRoot(IN HANDLE hToken,
IN DWORD dwOptions,
IN REGSAM samDesired,
OUT PHKEY phkResult)
{
const WCHAR UserClassesKeyPrefix[] = L"\\Registry\\User\\";
const WCHAR UserClassesKeySuffix[] = L"_Classes";
PTOKEN_USER TokenUserData;
ULONG RequiredLength;
UNICODE_STRING UserSidString, UserClassesKeyRoot;
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
/* check parameters */
if (hToken == NULL || dwOptions != 0 || phkResult == NULL)
{
return ERROR_INVALID_PARAMETER;
}
/*
* Get the user sid from the token
*/
ReadTokenSid:
/* determine how much memory we need */
Status = NtQueryInformationToken(hToken,
TokenUser,
NULL,
0,
&RequiredLength);
if (!NT_SUCCESS(Status) && (Status != STATUS_BUFFER_TOO_SMALL))
{
/* NOTE - as opposed to all other registry functions windows does indeed
change the last error code in case the caller supplied a invalid
handle for example! */
return RtlNtStatusToDosError(Status);
}
RegInitialize(); /* HACK until delay-loading is implemented */
TokenUserData = RtlAllocateHeap(ProcessHeap,
0,
RequiredLength);
if (TokenUserData == NULL)
{
return ERROR_NOT_ENOUGH_MEMORY;
}
/* attempt to read the information */
Status = NtQueryInformationToken(hToken,
TokenUser,
TokenUserData,
RequiredLength,
&RequiredLength);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap,
0,
TokenUserData);
if (Status == STATUS_BUFFER_TOO_SMALL)
{
/* the information appears to have changed?! try again */
goto ReadTokenSid;
}
/* NOTE - as opposed to all other registry functions windows does indeed
change the last error code in case the caller supplied a invalid
handle for example! */
return RtlNtStatusToDosError(Status);
}
/*
* Build the absolute path for the user's registry in the form
* "\Registry\User\<SID>_Classes"
*/
Status = RtlConvertSidToUnicodeString(&UserSidString,
TokenUserData->User.Sid,
TRUE);
/* we don't need the user data anymore, free it */
RtlFreeHeap(ProcessHeap,
0,
TokenUserData);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
/* allocate enough memory for the entire key string */
UserClassesKeyRoot.Length = 0;
UserClassesKeyRoot.MaximumLength = UserSidString.Length +
sizeof(UserClassesKeyPrefix) +
sizeof(UserClassesKeySuffix);
UserClassesKeyRoot.Buffer = RtlAllocateHeap(ProcessHeap,
0,
UserClassesKeyRoot.MaximumLength);
if (UserClassesKeyRoot.Buffer == NULL)
{
RtlFreeUnicodeString(&UserSidString);
return RtlNtStatusToDosError(Status);
}
/* build the string */
RtlAppendUnicodeToString(&UserClassesKeyRoot,
UserClassesKeyPrefix);
RtlAppendUnicodeStringToString(&UserClassesKeyRoot,
&UserSidString);
RtlAppendUnicodeToString(&UserClassesKeyRoot,
UserClassesKeySuffix);
TRACE("RegOpenUserClassesRoot: Absolute path: %wZ\n", &UserClassesKeyRoot);
/*
* Open the key
*/
InitializeObjectAttributes(&ObjectAttributes,
&UserClassesKeyRoot,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey((PHANDLE)phkResult,
samDesired,
&ObjectAttributes);
RtlFreeUnicodeString(&UserSidString);
RtlFreeUnicodeString(&UserClassesKeyRoot);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegQueryInfoKeyA
*
* @implemented
*/
LONG WINAPI
RegQueryInfoKeyA(HKEY hKey,
LPSTR lpClass,
LPDWORD lpcbClass,
LPDWORD lpReserved,
LPDWORD lpcSubKeys,
LPDWORD lpcbMaxSubKeyLen,
LPDWORD lpcbMaxClassLen,
LPDWORD lpcValues,
LPDWORD lpcbMaxValueNameLen,
LPDWORD lpcbMaxValueLen,
LPDWORD lpcbSecurityDescriptor,
PFILETIME lpftLastWriteTime)
{
WCHAR ClassName[MAX_PATH];
UNICODE_STRING UnicodeString;
ANSI_STRING AnsiString;
LONG ErrorCode;
RtlInitUnicodeString(&UnicodeString,
NULL);
if (lpClass != NULL)
{
UnicodeString.Buffer = &ClassName[0];
UnicodeString.MaximumLength = sizeof(ClassName);
AnsiString.MaximumLength = *lpcbClass;
}
ErrorCode = RegQueryInfoKeyW(hKey,
UnicodeString.Buffer,
lpcbClass,
lpReserved,
lpcSubKeys,
lpcbMaxSubKeyLen,
lpcbMaxClassLen,
lpcValues,
lpcbMaxValueNameLen,
lpcbMaxValueLen,
lpcbSecurityDescriptor,
lpftLastWriteTime);
if ((ErrorCode == ERROR_SUCCESS) && (lpClass != NULL))
{
AnsiString.Buffer = lpClass;
AnsiString.Length = 0;
UnicodeString.Length = *lpcbClass * sizeof(WCHAR);
RtlUnicodeStringToAnsiString(&AnsiString,
&UnicodeString,
FALSE);
*lpcbClass = AnsiString.Length;
lpClass[AnsiString.Length] = 0;
}
return ErrorCode;
}
/************************************************************************
* RegQueryInfoKeyW
*
* @implemented
*/
LONG WINAPI
RegQueryInfoKeyW(HKEY hKey,
LPWSTR lpClass,
LPDWORD lpcbClass,
LPDWORD lpReserved,
LPDWORD lpcSubKeys,
LPDWORD lpcbMaxSubKeyLen,
LPDWORD lpcbMaxClassLen,
LPDWORD lpcValues,
LPDWORD lpcbMaxValueNameLen,
LPDWORD lpcbMaxValueLen,
LPDWORD lpcbSecurityDescriptor,
PFILETIME lpftLastWriteTime)
{
KEY_FULL_INFORMATION FullInfoBuffer;
PKEY_FULL_INFORMATION FullInfo;
ULONG FullInfoSize;
ULONG ClassLength = 0;
HANDLE KeyHandle;
NTSTATUS Status;
ULONG Length;
LONG ErrorCode = ERROR_SUCCESS;
if ((lpClass) && (!lpcbClass))
{
return ERROR_INVALID_PARAMETER;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (lpClass != NULL)
{
if (*lpcbClass > 0)
{
ClassLength = min(*lpcbClass - 1, REG_MAX_NAME_SIZE) * sizeof(WCHAR);
}
else
{
ClassLength = 0;
}
FullInfoSize = sizeof(KEY_FULL_INFORMATION) + ((ClassLength + 3) & ~3);
FullInfo = RtlAllocateHeap(ProcessHeap,
0,
FullInfoSize);
if (FullInfo == NULL)
{
ErrorCode = ERROR_OUTOFMEMORY;
goto Cleanup;
}
FullInfo->ClassLength = ClassLength;
}
else
{
FullInfoSize = sizeof(KEY_FULL_INFORMATION);
FullInfo = &FullInfoBuffer;
FullInfo->ClassLength = 0;
}
FullInfo->ClassOffset = FIELD_OFFSET(KEY_FULL_INFORMATION, Class);
Status = NtQueryKey(KeyHandle,
KeyFullInformation,
FullInfo,
FullInfoSize,
&Length);
TRACE("NtQueryKey() returned status 0x%X\n", Status);
if (!NT_SUCCESS(Status))
{
if (lpClass != NULL)
{
RtlFreeHeap(ProcessHeap,
0,
FullInfo);
}
ErrorCode = RtlNtStatusToDosError(Status);
goto Cleanup;
}
TRACE("SubKeys %d\n", FullInfo->SubKeys);
if (lpcSubKeys != NULL)
{
*lpcSubKeys = FullInfo->SubKeys;
}
TRACE("MaxNameLen %lu\n", FullInfo->MaxNameLen);
if (lpcbMaxSubKeyLen != NULL)
{
*lpcbMaxSubKeyLen = FullInfo->MaxNameLen / sizeof(WCHAR) + 1;
}
TRACE("MaxClassLen %lu\n", FullInfo->MaxClassLen);
if (lpcbMaxClassLen != NULL)
{
*lpcbMaxClassLen = FullInfo->MaxClassLen / sizeof(WCHAR) + 1;
}
TRACE("Values %lu\n", FullInfo->Values);
if (lpcValues != NULL)
{
*lpcValues = FullInfo->Values;
}
TRACE("MaxValueNameLen %lu\n", FullInfo->MaxValueNameLen);
if (lpcbMaxValueNameLen != NULL)
{
*lpcbMaxValueNameLen = FullInfo->MaxValueNameLen / sizeof(WCHAR) + 1;
}
TRACE("MaxValueDataLen %lu\n", FullInfo->MaxValueDataLen);
if (lpcbMaxValueLen != NULL)
{
*lpcbMaxValueLen = FullInfo->MaxValueDataLen;
}
if (lpcbSecurityDescriptor != NULL)
{
Status = NtQuerySecurityObject(KeyHandle,
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION,
NULL,
0,
lpcbSecurityDescriptor);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
{
if (lpClass != NULL)
{
RtlFreeHeap(ProcessHeap,
0,
FullInfo);
}
ErrorCode = RtlNtStatusToDosError(Status);
goto Cleanup;
}
}
if (lpftLastWriteTime != NULL)
{
lpftLastWriteTime->dwLowDateTime = FullInfo->LastWriteTime.u.LowPart;
lpftLastWriteTime->dwHighDateTime = FullInfo->LastWriteTime.u.HighPart;
}
if (lpClass != NULL)
{
if (FullInfo->ClassLength > ClassLength)
{
ErrorCode = ERROR_BUFFER_OVERFLOW;
}
else
{
RtlCopyMemory(lpClass,
FullInfo->Class,
FullInfo->ClassLength);
*lpcbClass = FullInfo->ClassLength / sizeof(WCHAR);
lpClass[*lpcbClass] = 0;
}
RtlFreeHeap(ProcessHeap,
0,
FullInfo);
}
Cleanup:
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegQueryMultipleValuesA
*
* @implemented
*/
LONG WINAPI
RegQueryMultipleValuesA(HKEY hKey,
PVALENTA val_list,
DWORD num_vals,
LPSTR lpValueBuf,
LPDWORD ldwTotsize)
{
ULONG i;
DWORD maxBytes = *ldwTotsize;
LPSTR bufptr = (LPSTR)lpValueBuf;
LONG ErrorCode;
if (maxBytes >= (1024*1024))
return ERROR_TRANSFER_TOO_LONG;
*ldwTotsize = 0;
TRACE("RegQueryMultipleValuesA(%p,%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;
ErrorCode = RegQueryValueExA(hKey,
val_list[i].ve_valuename,
NULL,
NULL,
NULL,
&val_list[i].ve_valuelen);
if (ErrorCode != ERROR_SUCCESS)
{
return ErrorCode;
}
if (lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
{
ErrorCode = RegQueryValueExA(hKey,
val_list[i].ve_valuename,
NULL,
&val_list[i].ve_type,
(LPBYTE)bufptr,
&val_list[i].ve_valuelen);
if (ErrorCode != ERROR_SUCCESS)
{
return ErrorCode;
}
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
*
* @implemented
*/
LONG WINAPI
RegQueryMultipleValuesW(HKEY hKey,
PVALENTW val_list,
DWORD num_vals,
LPWSTR lpValueBuf,
LPDWORD ldwTotsize)
{
ULONG i;
DWORD maxBytes = *ldwTotsize;
LPSTR bufptr = (LPSTR)lpValueBuf;
LONG ErrorCode;
if (maxBytes >= (1024*1024))
return ERROR_TRANSFER_TOO_LONG;
*ldwTotsize = 0;
TRACE("RegQueryMultipleValuesW(%p,%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;
ErrorCode = RegQueryValueExW(hKey,
val_list[i].ve_valuename,
NULL,
NULL,
NULL,
&val_list[i].ve_valuelen);
if (ErrorCode != ERROR_SUCCESS)
{
return ErrorCode;
}
if (lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
{
ErrorCode = RegQueryValueExW(hKey,
val_list[i].ve_valuename,
NULL,
&val_list[i].ve_type,
(LPBYTE)bufptr,
&val_list[i].ve_valuelen);
if (ErrorCode != ERROR_SUCCESS)
{
return ErrorCode;
}
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;
}
/************************************************************************
* RegQueryReflectionKey
*
* @unimplemented
*/
LONG WINAPI
RegQueryReflectionKey(IN HKEY hBase,
OUT BOOL* bIsReflectionDisabled)
{
FIXME("RegQueryReflectionKey(0x%p, 0x%p) UNIMPLEMENTED!\n",
hBase, bIsReflectionDisabled);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/******************************************************************************
* RegQueryValueExA [ADVAPI32.@]
*
* Get the type and contents of a specified value under with a key.
*
* PARAMS
* hkey [I] Handle of the key to query
* name [I] Name of value under hkey to query
* reserved [I] Reserved - must be NULL
* type [O] Destination for the value type, or NULL if not required
* data [O] Destination for the values contents, or NULL if not required
* count [I/O] Size of data, updated with the number of bytes returned
*
* RETURNS
* Success: ERROR_SUCCESS. *count is updated with the number of bytes copied to data.
* Failure: ERROR_INVALID_HANDLE, if hkey is invalid.
* ERROR_INVALID_PARAMETER, if any other parameter is invalid.
* ERROR_MORE_DATA, if on input *count is too small to hold the contents.
*
* NOTES
* MSDN states that if data is too small it is partially filled. In reality
* it remains untouched.
*/
LONG
WINAPI
RegQueryValueExA(
_In_ HKEY hkeyorg,
_In_ LPCSTR name,
_In_ LPDWORD reserved,
_Out_opt_ LPDWORD type,
_Out_opt_ LPBYTE data,
_Inout_opt_ LPDWORD count)
{
UNICODE_STRING nameW;
DWORD DataLength;
DWORD ErrorCode;
DWORD BufferSize = 0;
WCHAR* Buffer;
CHAR* DataStr = (CHAR*)data;
DWORD LocalType;
/* Validate those parameters, the rest will be done with the first RegQueryValueExW call */
if ((data && !count) || reserved)
return ERROR_INVALID_PARAMETER;
if (name)
{
if (!RtlCreateUnicodeStringFromAsciiz(&nameW, name))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&nameW, NULL, 0);
ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, NULL, &LocalType, NULL, &BufferSize);
if (ErrorCode != ERROR_SUCCESS)
{
if ((!data) && count)
*count = 0;
RtlFreeUnicodeString(&nameW);
return ErrorCode;
}
/* See if we can directly handle the call without caring for conversion */
if (!is_string(LocalType) || !count)
{
ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, reserved, type, data, count);
RtlFreeUnicodeString(&nameW);
return ErrorCode;
}
/* Allocate a unicode string to get the data */
Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, BufferSize);
if (!Buffer)
{
RtlFreeUnicodeString(&nameW);
return ERROR_NOT_ENOUGH_MEMORY;
}
ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, reserved, type, (LPBYTE)Buffer, &BufferSize);
if (ErrorCode != ERROR_SUCCESS)
{
RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
RtlFreeUnicodeString(&nameW);
return ErrorCode;
}
/* We don't need this anymore */
RtlFreeUnicodeString(&nameW);
DataLength = *count;
RtlUnicodeToMultiByteSize(count, Buffer, BufferSize);
if ((!data) || (DataLength < *count))
{
RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
return data ? ERROR_MORE_DATA : ERROR_SUCCESS;
}
/* We can finally do the conversion */
RtlUnicodeToMultiByteN(DataStr, DataLength, NULL, Buffer, BufferSize);
/* NULL-terminate if there is enough room */
if ((DataLength > *count) && (DataStr[*count - 1] != '\0'))
DataStr[*count] = '\0';
RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
return ERROR_SUCCESS;
}
/************************************************************************
* RegQueryValueExW
*
* @implemented
*/
LONG
WINAPI
RegQueryValueExW(
_In_ HKEY hkeyorg,
_In_ LPCWSTR name,
_In_ LPDWORD reserved,
_In_ LPDWORD type,
_In_ LPBYTE data,
_In_ LPDWORD count)
{
HANDLE hkey;
NTSTATUS status;
UNICODE_STRING name_str;
DWORD total_size;
char buffer[256], *buf_ptr = buffer;
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
TRACE("(%p,%s,%p,%p,%p,%p=%d)\n",
hkeyorg, debugstr_w(name), reserved, type, data, count,
(count && data) ? *count : 0 );
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
status = MapDefaultKey(&hkey, hkeyorg);
if (!NT_SUCCESS(status))
{
return RtlNtStatusToDosError(status);
}
if (IsHKCRKey(hkey))
{
LONG ErrorCode = QueryHKCRValue(hkey, name, reserved, type, data, count);
ClosePredefKey(hkey);
return ErrorCode;
}
RtlInitUnicodeString( &name_str, name );
if (data) total_size = min( sizeof(buffer), *count + info_size );
else
{
total_size = info_size;
if (count) *count = 0;
}
/* this matches Win9x behaviour - NT sets *type to a random value */
if (type) *type = REG_NONE;
status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation,
buffer, total_size, &total_size );
if (!NT_SUCCESS(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 )))
{
ClosePredefKey(hkey);
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 (NT_SUCCESS(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 (is_string(info->Type) && total_size - info_size <= *count-sizeof(WCHAR))
{
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 );
ClosePredefKey(hkey);
return RtlNtStatusToDosError(status);
}
/************************************************************************
* RegQueryValueA
*
* @implemented
*/
LSTATUS WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
{
DWORD ret;
HKEY subkey = hkey;
TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_a(name), data, count ? *count : 0 );
if (name && name[0])
{
if ((ret = RegOpenKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
}
ret = RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count );
if (subkey != hkey) RegCloseKey( subkey );
if (ret == ERROR_FILE_NOT_FOUND)
{
/* return empty string if default value not found */
if (data) *data = 0;
if (count) *count = 1;
ret = ERROR_SUCCESS;
}
return ret;
}
/************************************************************************
* RegQueryValueW
*
* @implemented
*/
LSTATUS WINAPI RegQueryValueW( HKEY hkey, LPCWSTR name, LPWSTR data, LPLONG count )
{
DWORD ret;
HKEY subkey = hkey;
TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_w(name), data, count ? *count : 0 );
if (hkey == NULL)
{
return ERROR_INVALID_HANDLE;
}
if (name && name[0])
{
ret = RegOpenKeyW( hkey, name, &subkey);
if (ret != ERROR_SUCCESS)
{
return ret;
}
}
ret = RegQueryValueExW( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count );
if (subkey != hkey)
{
RegCloseKey( subkey );
}
if (ret == ERROR_FILE_NOT_FOUND)
{
/* return empty string if default value not found */
if (data)
*data = 0;
if (count)
*count = sizeof(WCHAR);
ret = ERROR_SUCCESS;
}
return ret;
}
/************************************************************************
* RegReplaceKeyA
*
* @implemented
*/
LONG WINAPI
RegReplaceKeyA(HKEY hKey,
LPCSTR lpSubKey,
LPCSTR lpNewFile,
LPCSTR lpOldFile)
{
UNICODE_STRING SubKey;
UNICODE_STRING NewFile;
UNICODE_STRING OldFile;
LONG ErrorCode;
RtlInitEmptyUnicodeString(&SubKey, NULL, 0);
RtlInitEmptyUnicodeString(&OldFile, NULL, 0);
RtlInitEmptyUnicodeString(&NewFile, NULL, 0);
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&SubKey, lpSubKey))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
if (lpOldFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&OldFile, lpOldFile))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
if (lpNewFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&NewFile, lpNewFile))
{
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
goto Exit;
}
}
ErrorCode = RegReplaceKeyW(hKey,
SubKey.Buffer,
NewFile.Buffer,
OldFile.Buffer);
Exit:
RtlFreeUnicodeString(&OldFile);
RtlFreeUnicodeString(&NewFile);
RtlFreeUnicodeString(&SubKey);
return ErrorCode;
}
/************************************************************************
* RegReplaceKeyW
*
* @unimplemented
*/
LONG WINAPI
RegReplaceKeyW(HKEY hKey,
LPCWSTR lpSubKey,
LPCWSTR lpNewFile,
LPCWSTR lpOldFile)
{
OBJECT_ATTRIBUTES KeyObjectAttributes;
OBJECT_ATTRIBUTES NewObjectAttributes;
OBJECT_ATTRIBUTES OldObjectAttributes;
UNICODE_STRING SubKeyName;
UNICODE_STRING NewFileName;
UNICODE_STRING OldFileName;
BOOLEAN CloseRealKey;
HANDLE RealKeyHandle;
HANDLE KeyHandle;
NTSTATUS Status;
LONG ErrorCode = ERROR_SUCCESS;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
/* Open the real key */
if (lpSubKey != NULL && *lpSubKey != (WCHAR)0)
{
RtlInitUnicodeString(&SubKeyName,
(PWSTR)lpSubKey);
InitializeObjectAttributes(&KeyObjectAttributes,
&SubKeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtOpenKey(&RealKeyHandle,
MAXIMUM_ALLOWED,
&KeyObjectAttributes);
if (!NT_SUCCESS(Status))
{
ErrorCode = RtlNtStatusToDosError(Status);
goto Cleanup;
}
CloseRealKey = TRUE;
}
else
{
RealKeyHandle = KeyHandle;
CloseRealKey = FALSE;
}
/* Convert new file name */
if (!RtlDosPathNameToNtPathName_U(lpNewFile,
&NewFileName,
NULL,
NULL))
{
if (CloseRealKey)
{
NtClose(RealKeyHandle);
}
ErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
InitializeObjectAttributes(&NewObjectAttributes,
&NewFileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
/* Convert old file name */
if (!RtlDosPathNameToNtPathName_U(lpOldFile,
&OldFileName,
NULL,
NULL))
{
RtlFreeHeap(RtlGetProcessHeap (),
0,
NewFileName.Buffer);
if (CloseRealKey)
{
NtClose(RealKeyHandle);
}
ErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
InitializeObjectAttributes(&OldObjectAttributes,
&OldFileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtReplaceKey(&NewObjectAttributes,
RealKeyHandle,
&OldObjectAttributes);
RtlFreeHeap(RtlGetProcessHeap(),
0,
OldFileName.Buffer);
RtlFreeHeap(RtlGetProcessHeap(),
0,
NewFileName.Buffer);
if (CloseRealKey)
{
NtClose(RealKeyHandle);
}
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
Cleanup:
ClosePredefKey(KeyHandle);
return ErrorCode;
}
/************************************************************************
* RegRestoreKeyA
*
* @implemented
*/
LONG WINAPI
RegRestoreKeyA(HKEY hKey,
LPCSTR lpFile,
DWORD dwFlags)
{
UNICODE_STRING FileName;
LONG ErrorCode;
if (lpFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&FileName, NULL, 0);
ErrorCode = RegRestoreKeyW(hKey,
FileName.Buffer,
dwFlags);
RtlFreeUnicodeString(&FileName);
return ErrorCode;
}
/************************************************************************
* RegRestoreKeyW
*
* @implemented
*/
LONG WINAPI
RegRestoreKeyW(HKEY hKey,
LPCWSTR lpFile,
DWORD dwFlags)
{
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
UNICODE_STRING FileName;
HANDLE FileHandle;
HANDLE KeyHandle;
NTSTATUS Status;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (!RtlDosPathNameToNtPathName_U(lpFile,
&FileName,
NULL,
NULL))
{
Status = STATUS_INVALID_PARAMETER;
goto Cleanup;
}
InitializeObjectAttributes(&ObjectAttributes,
&FileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenFile(&FileHandle,
FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_NONALERT);
RtlFreeHeap(RtlGetProcessHeap(),
0,
FileName.Buffer);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
Status = NtRestoreKey(KeyHandle,
FileHandle,
(ULONG)dwFlags);
NtClose (FileHandle);
Cleanup:
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegSaveKeyA
*
* @implemented
*/
LONG WINAPI
RegSaveKeyA(HKEY hKey,
LPCSTR lpFile,
LPSECURITY_ATTRIBUTES lpSecurityAttributes)
{
UNICODE_STRING FileName;
LONG ErrorCode;
if (lpFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&FileName, NULL, 0);
ErrorCode = RegSaveKeyW(hKey,
FileName.Buffer,
lpSecurityAttributes);
RtlFreeUnicodeString(&FileName);
return ErrorCode;
}
/************************************************************************
* RegSaveKeyW
*
* @implemented
*/
LONG WINAPI
RegSaveKeyW(HKEY hKey,
LPCWSTR lpFile,
LPSECURITY_ATTRIBUTES lpSecurityAttributes)
{
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING FileName;
IO_STATUS_BLOCK IoStatusBlock;
HANDLE FileHandle;
HANDLE KeyHandle;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (!RtlDosPathNameToNtPathName_U(lpFile,
&FileName,
NULL,
NULL))
{
Status = STATUS_INVALID_PARAMETER;
goto Cleanup;
}
if (lpSecurityAttributes != NULL)
{
SecurityDescriptor = lpSecurityAttributes->lpSecurityDescriptor;
}
InitializeObjectAttributes(&ObjectAttributes,
&FileName,
OBJ_CASE_INSENSITIVE,
NULL,
SecurityDescriptor);
Status = NtCreateFile(&FileHandle,
GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&IoStatusBlock,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ,
FILE_CREATE,
FILE_OPEN_FOR_BACKUP_INTENT | FILE_SYNCHRONOUS_IO_NONALERT,
NULL,
0);
RtlFreeHeap(RtlGetProcessHeap(),
0,
FileName.Buffer);
if (!NT_SUCCESS(Status))
{
goto Cleanup;
}
Status = NtSaveKey(KeyHandle,
FileHandle);
NtClose (FileHandle);
Cleanup:
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegSaveKeyExA
*
* @implemented
*/
LONG
WINAPI
RegSaveKeyExA(HKEY hKey,
LPCSTR lpFile,
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD Flags)
{
UNICODE_STRING FileName;
LONG ErrorCode;
if (lpFile)
{
if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&FileName, NULL, 0);
ErrorCode = RegSaveKeyExW(hKey,
FileName.Buffer,
lpSecurityAttributes,
Flags);
RtlFreeUnicodeString(&FileName);
return ErrorCode;
}
/************************************************************************
* RegSaveKeyExW
*
* @unimplemented
*/
LONG
WINAPI
RegSaveKeyExW(HKEY hKey,
LPCWSTR lpFile,
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD Flags)
{
switch (Flags)
{
case REG_STANDARD_FORMAT:
case REG_LATEST_FORMAT:
case REG_NO_COMPRESSION:
break;
default:
return ERROR_INVALID_PARAMETER;
}
FIXME("RegSaveKeyExW(): Flags ignored!\n");
return RegSaveKeyW(hKey,
lpFile,
lpSecurityAttributes);
}
/************************************************************************
* RegSetKeySecurity
*
* @implemented
*/
LONG WINAPI
RegSetKeySecurity(HKEY hKey,
SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR pSecurityDescriptor)
{
HANDLE KeyHandle;
NTSTATUS Status;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
Status = NtSetSecurityObject(KeyHandle,
SecurityInformation,
pSecurityDescriptor);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegSetValueExA
*
* @implemented
*/
LONG WINAPI
RegSetValueExA(HKEY hKey,
LPCSTR lpValueName,
DWORD Reserved,
DWORD dwType,
CONST BYTE* lpData,
DWORD cbData)
{
UNICODE_STRING ValueName;
LPWSTR pValueName;
ANSI_STRING AnsiString;
UNICODE_STRING Data;
LONG ErrorCode;
LPBYTE pData;
DWORD DataSize;
NTSTATUS Status;
/* Convert SubKey name to Unicode */
if (lpValueName != NULL && lpValueName[0] != '\0')
{
BOOL bConverted;
bConverted = RtlCreateUnicodeStringFromAsciiz(&ValueName,
(PSTR)lpValueName);
if(!bConverted)
return ERROR_NOT_ENOUGH_MEMORY;
}
else
{
ValueName.Buffer = NULL;
}
pValueName = (LPWSTR)ValueName.Buffer;
if (is_string(dwType) && (cbData != 0))
{
/* Convert ANSI string Data to Unicode */
/* If last character NOT zero then increment length */
LONG bNoNulledStr = ((lpData[cbData-1] != '\0') ? 1 : 0);
AnsiString.Buffer = (PSTR)lpData;
AnsiString.Length = cbData + bNoNulledStr;
AnsiString.MaximumLength = cbData + bNoNulledStr;
Status = RtlAnsiStringToUnicodeString(&Data,
&AnsiString,
TRUE);
if (!NT_SUCCESS(Status))
{
if (pValueName != NULL)
RtlFreeUnicodeString(&ValueName);
return RtlNtStatusToDosError(Status);
}
pData = (LPBYTE)Data.Buffer;
DataSize = cbData * sizeof(WCHAR);
}
else
{
Data.Buffer = NULL;
pData = (LPBYTE)lpData;
DataSize = cbData;
}
ErrorCode = RegSetValueExW(hKey,
pValueName,
Reserved,
dwType,
pData,
DataSize);
if (pValueName != NULL)
RtlFreeUnicodeString(&ValueName);
if (Data.Buffer != NULL)
RtlFreeUnicodeString(&Data);
return ErrorCode;
}
/************************************************************************
* RegSetValueExW
*
* @implemented
*/
LONG
WINAPI
RegSetValueExW(
_In_ HKEY hKey,
_In_ LPCWSTR lpValueName,
_In_ DWORD Reserved,
_In_ DWORD dwType,
_In_ CONST BYTE* lpData,
_In_ DWORD cbData)
{
UNICODE_STRING ValueName;
HANDLE KeyHandle;
NTSTATUS Status;
Status = MapDefaultKey(&KeyHandle,
hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
if (IsHKCRKey(KeyHandle))
{
LONG ErrorCode = SetHKCRValue(KeyHandle, lpValueName, Reserved, dwType, lpData, cbData);
ClosePredefKey(KeyHandle);
return ErrorCode;
}
if (is_string(dwType) && (cbData != 0))
{
PWSTR pwsData = (PWSTR)lpData;
_SEH2_TRY
{
if((pwsData[cbData / sizeof(WCHAR) - 1] != L'\0') &&
(pwsData[cbData / sizeof(WCHAR)] == L'\0'))
{
/* Increment length if last character is not zero and next is zero */
cbData += sizeof(WCHAR);
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
ClosePredefKey(KeyHandle);
return ERROR_NOACCESS;
}
_SEH2_END;
}
RtlInitUnicodeString(&ValueName, lpValueName);
Status = NtSetValueKey(KeyHandle,
&ValueName,
0,
dwType,
(PVOID)lpData,
(ULONG)cbData);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/************************************************************************
* RegSetValueA
*
* @implemented
*/
LONG WINAPI
RegSetValueA(HKEY hKeyOriginal,
LPCSTR lpSubKey,
DWORD dwType,
LPCSTR lpData,
DWORD cbData)
{
HKEY subkey;
HANDLE hKey;
DWORD ret;
NTSTATUS Status;
TRACE("(%p,%s,%d,%s,%d)\n", hKeyOriginal, debugstr_a(lpSubKey), dwType, debugstr_a(lpData), cbData );
if (dwType != REG_SZ || !lpData) return ERROR_INVALID_PARAMETER;
Status = MapDefaultKey(&hKey, hKeyOriginal);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError (Status);
}
subkey = hKey;
if (lpSubKey && lpSubKey[0]) /* need to create the subkey */
{
ret = RegCreateKeyA(hKey, lpSubKey, &subkey);
if (ret != ERROR_SUCCESS)
goto Cleanup;
}
ret = RegSetValueExA( subkey, NULL, 0, REG_SZ, (const BYTE*)lpData, strlen(lpData)+1 );
if (subkey != hKey)
RegCloseKey(subkey);
Cleanup:
ClosePredefKey(hKey);
return ret;
}
/************************************************************************
* RegSetValueW
*
* @implemented
*/
LONG WINAPI
RegSetValueW(HKEY hKeyOriginal,
LPCWSTR lpSubKey,
DWORD dwType,
LPCWSTR lpData,
DWORD cbData)
{
HKEY subkey;
HANDLE hKey;
DWORD ret;
NTSTATUS Status;
TRACE("(%p,%s,%d,%s,%d)\n", hKeyOriginal, debugstr_w(lpSubKey), dwType, debugstr_w(lpData), cbData );
if (dwType != REG_SZ || !lpData)
return ERROR_INVALID_PARAMETER;
Status = MapDefaultKey(&hKey,
hKeyOriginal);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
subkey = hKey;
if (lpSubKey && lpSubKey[0]) /* need to create the subkey */
{
ret = RegCreateKeyW(hKey, lpSubKey, &subkey);
if (ret != ERROR_SUCCESS)
goto Cleanup;
}
ret = RegSetValueExW( subkey, NULL, 0, REG_SZ, (const BYTE*)lpData,
(wcslen( lpData ) + 1) * sizeof(WCHAR) );
if (subkey != hKey)
RegCloseKey(subkey);
Cleanup:
ClosePredefKey(hKey);
return ret;
}
/************************************************************************
* RegUnLoadKeyA
*
* @implemented
*/
LONG WINAPI
RegUnLoadKeyA(HKEY hKey,
LPCSTR lpSubKey)
{
UNICODE_STRING KeyName;
DWORD ErrorCode;
if (lpSubKey)
{
if (!RtlCreateUnicodeStringFromAsciiz(&KeyName, lpSubKey))
return ERROR_NOT_ENOUGH_MEMORY;
}
else
RtlInitEmptyUnicodeString(&KeyName, NULL, 0);
ErrorCode = RegUnLoadKeyW(hKey,
KeyName.Buffer);
RtlFreeUnicodeString (&KeyName);
return ErrorCode;
}
/************************************************************************
* RegUnLoadKeyW
*
* @implemented
*/
LONG WINAPI
RegUnLoadKeyW(HKEY hKey,
LPCWSTR lpSubKey)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
HANDLE KeyHandle;
NTSTATUS Status;
if (hKey == HKEY_PERFORMANCE_DATA)
{
return ERROR_INVALID_HANDLE;
}
Status = MapDefaultKey(&KeyHandle, hKey);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
RtlInitUnicodeString(&KeyName,
(LPWSTR)lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = NtUnloadKey(&ObjectAttributes);
ClosePredefKey(KeyHandle);
if (!NT_SUCCESS(Status))
{
return RtlNtStatusToDosError(Status);
}
return ERROR_SUCCESS;
}
/******************************************************************************
* load_string [Internal]
*
* This is basically a copy of user32/resource.c's LoadStringW. Necessary to
* avoid importing user32, which is higher level than advapi32. Helper for
* RegLoadMUIString.
*/
static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
{
HGLOBAL hMemory;
HRSRC hResource;
WCHAR *pString;
int idxString;
/* Negative values have to be inverted. */
if (HIWORD(resId) == 0xffff)
resId = (UINT)(-((INT)resId));
/* Load the resource into memory and get a pointer to it. */
hResource = FindResourceW(hModule, MAKEINTRESOURCEW(LOWORD(resId >> 4) + 1), (LPWSTR)RT_STRING);
if (!hResource) return 0;
hMemory = LoadResource(hModule, hResource);
if (!hMemory) return 0;
pString = LockResource(hMemory);
/* Strings are length-prefixed. Lowest nibble of resId is an index. */
idxString = resId & 0xf;
while (idxString--) pString += *pString + 1;
/* If no buffer is given, return length of the string. */
if (!pwszBuffer) return *pString;
/* Else copy over the string, respecting the buffer size. */
cMaxChars = (*pString < cMaxChars) ? *pString : (cMaxChars - 1);
if (cMaxChars >= 0)
{
memcpy(pwszBuffer, pString+1, cMaxChars * sizeof(WCHAR));
pwszBuffer[cMaxChars] = L'\0';
}
return cMaxChars;
}
/************************************************************************
* RegLoadMUIStringW
*
* @implemented
*/
LONG WINAPI
RegLoadMUIStringW(IN HKEY hKey,
IN LPCWSTR pszValue OPTIONAL,
OUT LPWSTR pszOutBuf,
IN DWORD cbOutBuf,
OUT LPDWORD pcbData OPTIONAL,
IN DWORD Flags,
IN LPCWSTR pszDirectory OPTIONAL)
{
DWORD dwValueType, cbData;
LPWSTR pwszTempBuffer = NULL, pwszExpandedBuffer = NULL;
LONG result;
/* Parameter sanity checks. */
if (!hKey || !pszOutBuf)
return ERROR_INVALID_PARAMETER;
if (pszDirectory && *pszDirectory)
{
FIXME("BaseDir parameter not yet supported!\n");
return ERROR_INVALID_PARAMETER;
}
/* Check for value existence and correctness of it's type, allocate a buffer and load it. */
result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, NULL, &cbData);
if (result != ERROR_SUCCESS) goto cleanup;
if (!(dwValueType == REG_SZ || dwValueType == REG_EXPAND_SZ) || !cbData)
{
result = ERROR_FILE_NOT_FOUND;
goto cleanup;
}
pwszTempBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
if (!pwszTempBuffer)
{
result = ERROR_NOT_ENOUGH_MEMORY;
goto cleanup;
}
result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, (LPBYTE)pwszTempBuffer, &cbData);
if (result != ERROR_SUCCESS) goto cleanup;
/* Expand environment variables, if appropriate, or copy the original string over. */
if (dwValueType == REG_EXPAND_SZ)
{
cbData = ExpandEnvironmentStringsW(pwszTempBuffer, NULL, 0) * sizeof(WCHAR);
if (!cbData) goto cleanup;
pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
if (!pwszExpandedBuffer)
{
result = ERROR_NOT_ENOUGH_MEMORY;
goto cleanup;
}
ExpandEnvironmentStringsW(pwszTempBuffer, pwszExpandedBuffer, cbData);
}
else
{
pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
memcpy(pwszExpandedBuffer, pwszTempBuffer, cbData);
}
/* If the value references a resource based string, parse the value and load the string.
* Else just copy over the original value. */
result = ERROR_SUCCESS;
if (*pwszExpandedBuffer != L'@') /* '@' is the prefix for resource based string entries. */
{
lstrcpynW(pszOutBuf, pwszExpandedBuffer, cbOutBuf / sizeof(WCHAR));
}
else
{
WCHAR *pComma = wcsrchr(pwszExpandedBuffer, L',');
UINT uiStringId;
HMODULE hModule;
/* Format of the expanded value is 'path_to_dll,-resId' */
if (!pComma || pComma[1] != L'-')
{
result = ERROR_BADKEY;
goto cleanup;
}
uiStringId = _wtoi(pComma+2);
*pComma = L'\0';
hModule = LoadLibraryExW(pwszExpandedBuffer + 1, NULL, LOAD_LIBRARY_AS_DATAFILE);
if (!hModule || !load_string(hModule, uiStringId, pszOutBuf, cbOutBuf / sizeof(WCHAR)))
result = ERROR_BADKEY;
FreeLibrary(hModule);
}
cleanup:
HeapFree(GetProcessHeap(), 0, pwszTempBuffer);
HeapFree(GetProcessHeap(), 0, pwszExpandedBuffer);
return result;
}
/************************************************************************
* RegLoadMUIStringA
*
* @implemented
*/
LONG WINAPI
RegLoadMUIStringA(IN HKEY hKey,
IN LPCSTR pszValue OPTIONAL,
OUT LPSTR pszOutBuf,
IN DWORD cbOutBuf,
OUT LPDWORD pcbData OPTIONAL,
IN DWORD Flags,
IN LPCSTR pszDirectory OPTIONAL)
{
UNICODE_STRING valueW, baseDirW;
WCHAR *pwszBuffer;
DWORD cbData = cbOutBuf * sizeof(WCHAR);
LONG result;
valueW.Buffer = baseDirW.Buffer = pwszBuffer = NULL;
if (!RtlCreateUnicodeStringFromAsciiz(&valueW, pszValue) ||
!RtlCreateUnicodeStringFromAsciiz(&baseDirW, pszDirectory) ||
!(pwszBuffer = HeapAlloc(GetProcessHeap(), 0, cbData)))
{
result = ERROR_NOT_ENOUGH_MEMORY;
goto cleanup;
}
result = RegLoadMUIStringW(hKey, valueW.Buffer, pwszBuffer, cbData, NULL, Flags,
baseDirW.Buffer);
if (result == ERROR_SUCCESS)
{
cbData = WideCharToMultiByte(CP_ACP, 0, pwszBuffer, -1, pszOutBuf, cbOutBuf, NULL, NULL);
if (pcbData)
*pcbData = cbData;
}
cleanup:
HeapFree(GetProcessHeap(), 0, pwszBuffer);
RtlFreeUnicodeString(&baseDirW);
RtlFreeUnicodeString(&valueW);
return result;
}
/* EOF */
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