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NtUserDispatchMessage() shouldn't allow calling the window proc if the window doesn't belong to the thread

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svn path=/trunk/; revision=7072
This commit is contained in:
Thomas Bluemel 2003-12-14 23:52:54 +00:00
parent 6dda6e7ca6
commit 9d372b138d
1 changed files with 7 additions and 2 deletions
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9
reactos/subsys/win32k/ntuser/message.c
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@ -16,7 +16,7 @@
* 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: message.c,v 1.37 2003/12/14 11:36:43 gvg Exp $ /* $Id: message.c,v 1.38 2003/12/14 23:52:54 weiden Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -101,7 +101,12 @@ NtUserDispatchMessage(CONST MSG* UnsafeMsg)
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE); SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return 0; return 0;
} }
if(WindowObject->OwnerThread != PsGetCurrentThread())
{
IntReleaseWindowObject(WindowObject);
DPRINT1("Window doesn't belong to the calling thread!\n");
return 0;
}
/* FIXME: Call hook procedures. */ /* FIXME: Call hook procedures. */
/* Call the window procedure. */ /* Call the window procedure. */