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Anich Gregor: Basic implementation of GetUserObjectInformation() (needed by the nvidia opengl ICD)

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svn path=/trunk/; revision=9410
This commit is contained in:
Thomas Bluemel 2004-05-15 22:50:04 +00:00
parent bdd1e9e8c6
commit 43783f95c5
2 changed files with 154 additions and 10 deletions
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49
reactos/lib/user32/misc/object.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: object.c,v 1.6 2004/01/23 23:38:26 ekohl Exp $
/* $Id: object.c,v 1.7 2004/05/15 22:50:04 weiden Exp $
*
* PROJECT: ReactOS user32.dll
* FILE: lib/user32/misc/dde.c
@ -82,7 +82,7 @@ UserHandleGrantAccess(
/*
* @unimplemented
* @implemented
*/
BOOL
STDCALL
@ -93,13 +93,46 @@ GetUserObjectInformationA(
DWORD nLength,
LPDWORD lpnLengthNeeded)
{
UNIMPLEMENTED;
return FALSE;
LPWSTR buffer;
BOOL ret = TRUE;
DPRINT("GetUserObjectInformationA(%x %d %x %d %x)\n", hObj, nIndex,
pvInfo, nLength, lpnLengthNeeded);
if (nIndex != UOI_NAME && nIndex != UOI_TYPE)
return GetUserObjectInformationW(hObj, nIndex, pvInfo, nLength, lpnLengthNeeded);
/* allocate unicode buffer */
buffer = HeapAlloc(GetProcessHeap(), 0, nLength*2);
if (buffer == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
/* get unicode string */
if (!GetUserObjectInformationW(hObj, nIndex, buffer, nLength*2, lpnLengthNeeded))
ret = FALSE;
*lpnLengthNeeded /= 2;
if (ret)
{
/* convert string */
if (WideCharToMultiByte(CP_THREAD_ACP, 0, buffer, -1,
pvInfo, nLength, NULL, NULL) == 0)
{
ret = FALSE;
}
}
/* free resources */
HeapFree(GetProcessHeap(), 0, buffer);
return ret;
}
/*
* @unimplemented
* @implemented
*/
BOOL
STDCALL
@ -110,6 +143,8 @@ GetUserObjectInformationW(
DWORD nLength,
LPDWORD lpnLengthNeeded)
{
UNIMPLEMENTED;
return FALSE;
DPRINT("GetUserObjectInformationW(%x %d %x %d %x)\n", hObj, nIndex,
pvInfo, nLength, lpnLengthNeeded);
return NtUserGetObjectInformation(hObj, nIndex, pvInfo, nLength, lpnLengthNeeded);
}

115
reactos/subsys/win32k/ntuser/winsta.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: winsta.c,v 1.60 2004/05/14 23:57:32 weiden Exp $
* $Id: winsta.c,v 1.61 2004/05/15 22:50:04 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -611,8 +611,117 @@ NtUserGetObjectInformation(
DWORD nLength,
PDWORD nLengthNeeded)
{
SetLastNtError(STATUS_UNSUCCESSFUL);
return FALSE;
PWINSTATION_OBJECT WinStaObject = NULL;
PDESKTOP_OBJECT DesktopObject = NULL;
NTSTATUS Status;
PVOID pvData = NULL;
DWORD nDataSize = 0;
/* try windowstation */
DPRINT("Trying to open window station 0x%x\n", hObject);
Status = IntValidateWindowStationHandle(
hObject,
UserMode,/*ExGetPreviousMode(),*/
GENERIC_READ, /* FIXME: is this ok? */
&WinStaObject);
if (!NT_SUCCESS(Status) && Status != STATUS_OBJECT_TYPE_MISMATCH)
{
DPRINT("Failed: 0x%x\n", Status);
SetLastNtError(Status);
return FALSE;
}
if (Status == STATUS_OBJECT_TYPE_MISMATCH)
{
/* try desktop */
DPRINT("Trying to open desktop 0x%x\n", hObject);
Status = IntValidateDesktopHandle(
hObject,
UserMode,/*ExGetPreviousMode(),*/
GENERIC_READ, /* FIXME: is this ok? */
&DesktopObject);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed: 0x%x\n", Status);
SetLastNtError(Status);
return FALSE;
}
}
DPRINT("WinSta or Desktop opened!!\n");
/* get data */
switch (nIndex)
{
case UOI_FLAGS:
Status = STATUS_NOT_IMPLEMENTED;
DPRINT1("UOI_FLAGS unimplemented!\n");
break;
case UOI_NAME:
if (WinStaObject != NULL)
{
pvData = WinStaObject->Name.Buffer;
nDataSize = WinStaObject->Name.Length+2;
Status = STATUS_SUCCESS;
}
else if (DesktopObject != NULL)
{
pvData = DesktopObject->Name.Buffer;
nDataSize = DesktopObject->Name.Length+2;
Status = STATUS_SUCCESS;
}
else
Status = STATUS_INVALID_PARAMETER;
break;
case UOI_TYPE:
if (WinStaObject != NULL)
{
pvData = L"WindowStation";
nDataSize = (wcslen(pvData) + 1) * sizeof(WCHAR);
Status = STATUS_SUCCESS;
}
else if (DesktopObject != NULL)
{
pvData = L"Desktop";
nDataSize = (wcslen(pvData) + 1) * sizeof(WCHAR);
Status = STATUS_SUCCESS;
}
else
Status = STATUS_INVALID_PARAMETER;
break;
case UOI_USER_SID:
Status = STATUS_NOT_IMPLEMENTED;
DPRINT1("UOI_USER_SID unimplemented!\n");
break;
default:
Status = STATUS_INVALID_PARAMETER;
break;
}
/* try to copy data to caller */
if (Status == STATUS_SUCCESS)
{
DPRINT("Trying to copy data to caller (len = %d, len needed = %d)\n", nLength, nDataSize);
*nLengthNeeded = nDataSize;
if (nLength >= nDataSize)
Status = MmCopyToCaller(pvInformation, pvData, nDataSize);
else
Status = STATUS_BUFFER_TOO_SMALL;
}
/* release objects */
if (WinStaObject != NULL)
ObDereferenceObject(WinStaObject);
if (DesktopObject != NULL)
ObDereferenceObject(DesktopObject);
SetLastNtError(Status);
return NTSUCCESS(Status);
}
/*