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Capture window station name passed from usermode

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svn path=/trunk/; revision=19803
This commit is contained in:
Gé van Geldorp 2005-12-01 20:09:38 +00:00
parent 280bb98e6c
commit ce6fd73528
1 changed files with 31 additions and 16 deletions
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47
reactos/subsys/win32k/ntuser/winsta.c
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@ -16,8 +16,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Window stations
@ -435,6 +433,7 @@ NtUserCreateWindowStation(
{
PSYSTEM_CURSORINFO CurInfo;
UNICODE_STRING WindowStationName;
UNICODE_STRING FullWindowStationName;
PWINSTATION_OBJECT WindowStationObject;
HWINSTA WindowStation;
OBJECT_ATTRIBUTES ObjectAttributes;
@ -443,10 +442,21 @@ NtUserCreateWindowStation(
/*
* Generate full window station name
*/
if (!IntGetFullWindowStationName(&WindowStationName, lpszWindowStationName,
Status = ProbeAndCaptureUnicodeString(&WindowStationName,
UserMode,
lpszWindowStationName);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to capture window station name (status 0x%08x)\n",
Status);
SetLastNtError(Status);
return 0;
}
if (!IntGetFullWindowStationName(&FullWindowStationName,
&WindowStationName,
NULL))
{
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return 0;
}
@ -455,12 +465,12 @@ NtUserCreateWindowStation(
* Try to open already existing window station
*/
DPRINT("Trying to open window station (%wZ)\n", &WindowStationName);
DPRINT("Trying to open window station (%wZ)\n", &FullWindowStationName);
/* Initialize ObjectAttributes for the window station object */
InitializeObjectAttributes(
&ObjectAttributes,
&WindowStationName,
&FullWindowStationName,
0,
NULL,
NULL);
@ -476,8 +486,10 @@ NtUserCreateWindowStation(
if (NT_SUCCESS(Status))
{
DPRINT("Successfully opened window station (%wZ)\n", WindowStationName);
ExFreePool(WindowStationName.Buffer);
DPRINT("Successfully opened window station (%wZ)\n",
FullWindowStationName);
ExFreePool(FullWindowStationName.Buffer);
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
return (HWINSTA)WindowStation;
}
@ -485,7 +497,7 @@ NtUserCreateWindowStation(
* No existing window station found, try to create new one
*/
DPRINT("Creating window station (%wZ)\n", &WindowStationName);
DPRINT("Creating window station (%wZ)\n", &FullWindowStationName);
Status = ObCreateObject(
KernelMode,
@ -500,13 +512,14 @@ NtUserCreateWindowStation(
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed creating window station (%wZ)\n", &WindowStationName);
ExFreePool(WindowStationName.Buffer);
DPRINT1("Failed creating window station (%wZ)\n", &FullWindowStationName);
ExFreePool(FullWindowStationName.Buffer);
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return 0;
}
WindowStationObject->Name = *lpszWindowStationName;
WindowStationObject->Name = WindowStationName;
Status = ObInsertObject(
(PVOID)WindowStationObject,
@ -518,7 +531,8 @@ NtUserCreateWindowStation(
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed creating window station (%wZ)\n", &WindowStationName);
DPRINT1("Failed creating window station (%wZ)\n", &FullWindowStationName);
ExFreePool(FullWindowStationName.Buffer);
ExFreePool(WindowStationName.Buffer);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
ObDereferenceObject(WindowStationObject);
@ -531,7 +545,7 @@ NtUserCreateWindowStation(
if(!(CurInfo = ExAllocatePool(PagedPool, sizeof(SYSTEM_CURSORINFO))))
{
ExFreePool(WindowStationName.Buffer);
ExFreePool(FullWindowStationName.Buffer);
/* FIXME - Delete window station object */
ObDereferenceObject(WindowStationObject);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
@ -557,10 +571,11 @@ NtUserCreateWindowStation(
{
DPRINT1("Setting up the Cursor/Icon Handle table failed!\n");
/* FIXME: Complain more loudly? */
ExFreePool(FullWindowStationName.Buffer);
}
DPRINT("Window station successfully created (%wZ)\n", lpszWindowStationName);
ExFreePool(WindowStationName.Buffer);
DPRINT("Window station successfully created (%wZ)\n", FullWindowStationName);
ExFreePool(FullWindowStationName.Buffer);
return WindowStation;
}