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133 lines
4 KiB
C
133 lines
4 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Kernel
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* FILE: ntoskrnl/ex/win32k.c
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* PURPOSE: Executive Win32 Object Support (Desktop/WinStation)
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* PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
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*/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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#if defined (ALLOC_PRAGMA)
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#pragma alloc_text(INIT, ExpWin32kInit)
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#endif
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/* DATA **********************************************************************/
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POBJECT_TYPE ExWindowStationObjectType = NULL;
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POBJECT_TYPE ExDesktopObjectType = NULL;
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GENERIC_MAPPING ExpWindowStationMapping =
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{
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STANDARD_RIGHTS_READ,
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STANDARD_RIGHTS_WRITE,
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STANDARD_RIGHTS_EXECUTE,
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STANDARD_RIGHTS_REQUIRED
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};
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GENERIC_MAPPING ExpDesktopMapping =
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{
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STANDARD_RIGHTS_READ,
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STANDARD_RIGHTS_WRITE,
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STANDARD_RIGHTS_EXECUTE,
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STANDARD_RIGHTS_REQUIRED
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};
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PKWIN32_PARSEMETHOD_CALLOUT ExpWindowStationObjectParse = NULL;
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PKWIN32_DELETEMETHOD_CALLOUT ExpWindowStationObjectDelete = NULL;
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PKWIN32_DELETEMETHOD_CALLOUT ExpDesktopObjectDelete = NULL;
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/* FUNCTIONS ****************************************************************/
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VOID
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NTAPI
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ExpWinStaObjectDelete(PVOID DeletedObject)
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{
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WIN32_DELETEMETHOD_PARAMETERS Parameters;
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/* Fill out the callback structure */
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Parameters.Object = DeletedObject;
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/* Call the Registered Callback */
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ExpWindowStationObjectDelete(&Parameters);
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}
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NTSTATUS
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NTAPI
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ExpWinStaObjectParse(IN PVOID ParseObject,
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IN PVOID ObjectType,
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IN OUT PACCESS_STATE AccessState,
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IN KPROCESSOR_MODE AccessMode,
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IN ULONG Attributes,
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IN OUT PUNICODE_STRING CompleteName,
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IN OUT PUNICODE_STRING RemainingName,
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IN OUT PVOID Context OPTIONAL,
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IN PSECURITY_QUALITY_OF_SERVICE SecurityQos OPTIONAL,
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OUT PVOID *Object)
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{
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WIN32_PARSEMETHOD_PARAMETERS Parameters;
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/* Fill out the callback structure */
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Parameters.ParseObject = ParseObject;
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Parameters.ObjectType = ObjectType;
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Parameters.AccessState = AccessState;
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Parameters.AccessMode = AccessMode;
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Parameters.Attributes = Attributes;
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Parameters.CompleteName = CompleteName;
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Parameters.RemainingName = RemainingName;
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Parameters.Context = Context;
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Parameters.SecurityQos = SecurityQos;
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Parameters.Object = Object;
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/* Call the Registered Callback */
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return ExpWindowStationObjectParse(&Parameters);
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}
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VOID
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NTAPI
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ExpDesktopDelete(PVOID DeletedObject)
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{
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WIN32_DELETEMETHOD_PARAMETERS Parameters;
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/* Fill out the callback structure */
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Parameters.Object = DeletedObject;
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/* Call the Registered Callback */
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ExpDesktopObjectDelete(&Parameters);
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}
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VOID
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INIT_FUNCTION
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NTAPI
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ExpWin32kInit(VOID)
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{
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OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
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UNICODE_STRING Name;
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DPRINT("Creating Win32 Object Types\n");
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/* Create the window station Object Type */
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RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
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RtlInitUnicodeString(&Name, L"WindowStation");
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ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
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ObjectTypeInitializer.GenericMapping = ExpWindowStationMapping;
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ObjectTypeInitializer.PoolType = NonPagedPool;
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ObjectTypeInitializer.DeleteProcedure = ExpWinStaObjectDelete;
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ObjectTypeInitializer.ParseProcedure = ExpWinStaObjectParse;
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ObCreateObjectType(&Name,
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&ObjectTypeInitializer,
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NULL,
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&ExWindowStationObjectType);
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/* Create desktop object type */
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RtlInitUnicodeString(&Name, L"Desktop");
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ObjectTypeInitializer.GenericMapping = ExpDesktopMapping;
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ObjectTypeInitializer.DeleteProcedure = ExpDesktopDelete;
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ObjectTypeInitializer.ParseProcedure = NULL;
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ObCreateObjectType(&Name,
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&ObjectTypeInitializer,
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NULL,
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&ExDesktopObjectType);
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}
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/* EOF */
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