Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-03 13:45:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

Capture window station name passed from usermode

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

47
reactos/subsys/win32k/ntuser/winsta.c
View file

@ -16,8 +16,6 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *
* $Id$
*
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Window stations * PURPOSE: Window stations
@ -435,6 +433,7 @@ NtUserCreateWindowStation(
{ {
PSYSTEM_CURSORINFO CurInfo; PSYSTEM_CURSORINFO CurInfo;
UNICODE_STRING WindowStationName; UNICODE_STRING WindowStationName;
UNICODE_STRING FullWindowStationName;
PWINSTATION_OBJECT WindowStationObject; PWINSTATION_OBJECT WindowStationObject;
HWINSTA WindowStation; HWINSTA WindowStation;
OBJECT_ATTRIBUTES ObjectAttributes; OBJECT_ATTRIBUTES ObjectAttributes;
@ -443,10 +442,21 @@ NtUserCreateWindowStation(
/* /*
* Generate full window station name * Generate full window station name
*/ */
Status = ProbeAndCaptureUnicodeString(&WindowStationName,
if (!IntGetFullWindowStationName(&WindowStationName, lpszWindowStationName, 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)) NULL))
{ {
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES); SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return 0; return 0;
} }
@ -455,12 +465,12 @@ NtUserCreateWindowStation(
* Try to open already existing window station * 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 */ /* Initialize ObjectAttributes for the window station object */
InitializeObjectAttributes( InitializeObjectAttributes(
&ObjectAttributes, &ObjectAttributes,
&WindowStationName, &FullWindowStationName,
0, 0,
NULL, NULL,
NULL); NULL);
@ -476,8 +486,10 @@ NtUserCreateWindowStation(
if (NT_SUCCESS(Status)) if (NT_SUCCESS(Status))
{ {
DPRINT("Successfully opened window station (%wZ)\n", WindowStationName); DPRINT("Successfully opened window station (%wZ)\n",
ExFreePool(WindowStationName.Buffer); FullWindowStationName);
ExFreePool(FullWindowStationName.Buffer);
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
return (HWINSTA)WindowStation; return (HWINSTA)WindowStation;
} }
@ -485,7 +497,7 @@ NtUserCreateWindowStation(
* No existing window station found, try to create new one * 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( Status = ObCreateObject(
KernelMode, KernelMode,
@ -500,13 +512,14 @@ NtUserCreateWindowStation(
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
DPRINT1("Failed creating window station (%wZ)\n", &WindowStationName); DPRINT1("Failed creating window station (%wZ)\n", &FullWindowStationName);
ExFreePool(WindowStationName.Buffer); ExFreePool(FullWindowStationName.Buffer);
ReleaseCapturedUnicodeString(&WindowStationName, UserMode);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES); SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return 0; return 0;
} }
WindowStationObject->Name = *lpszWindowStationName; WindowStationObject->Name = WindowStationName;
Status = ObInsertObject( Status = ObInsertObject(
(PVOID)WindowStationObject, (PVOID)WindowStationObject,
@ -518,7 +531,8 @@ NtUserCreateWindowStation(
if (!NT_SUCCESS(Status)) 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); ExFreePool(WindowStationName.Buffer);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES); SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
ObDereferenceObject(WindowStationObject); ObDereferenceObject(WindowStationObject);
@ -531,7 +545,7 @@ NtUserCreateWindowStation(
if(!(CurInfo = ExAllocatePool(PagedPool, sizeof(SYSTEM_CURSORINFO)))) if(!(CurInfo = ExAllocatePool(PagedPool, sizeof(SYSTEM_CURSORINFO))))
{ {
ExFreePool(WindowStationName.Buffer); ExFreePool(FullWindowStationName.Buffer);
/* FIXME - Delete window station object */ /* FIXME - Delete window station object */
ObDereferenceObject(WindowStationObject); ObDereferenceObject(WindowStationObject);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES); SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
@ -557,10 +571,11 @@ NtUserCreateWindowStation(
{ {
DPRINT1("Setting up the Cursor/Icon Handle table failed!\n"); DPRINT1("Setting up the Cursor/Icon Handle table failed!\n");
/* FIXME: Complain more loudly? */ /* FIXME: Complain more loudly? */
ExFreePool(FullWindowStationName.Buffer);
} }
DPRINT("Window station successfully created (%wZ)\n", lpszWindowStationName); DPRINT("Window station successfully created (%wZ)\n", FullWindowStationName);
ExFreePool(WindowStationName.Buffer); ExFreePool(FullWindowStationName.Buffer);
return WindowStation; return WindowStation;
} }