reactos/ntoskrnl/ex/win32k.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/ex/win32k.c
   6  * PURPOSE:         Executive Win32 subsystem support
   7  *
   8  * PROGRAMMERS:     Alex Ionescu (alex@relsoft.net) - Moved callbacks to win32k and cleanup.
   9  *                  Casper S. Hornstrup (chorns@users.sourceforge.net)
  10  */
  11
  12 #include <ntoskrnl.h>
  13 #define NDEBUG
  14 #include <internal/debug.h>
  15
  16 /* DATA **********************************************************************/
  17
  18 POBJECT_TYPE EXPORTED ExWindowStationObjectType = NULL;
  19 POBJECT_TYPE EXPORTED ExDesktopObjectType = NULL;
  20
  21 static GENERIC_MAPPING ExpWindowStationMapping = {
  22
  23     STANDARD_RIGHTS_READ     | WINSTA_ENUMDESKTOPS      | WINSTA_ENUMERATE         | WINSTA_READATTRIBUTES | WINSTA_READSCREEN,
  24     STANDARD_RIGHTS_WRITE    | WINSTA_ACCESSCLIPBOARD   | WINSTA_CREATEDESKTOP     | WINSTA_WRITEATTRIBUTES,
  25     STANDARD_RIGHTS_EXECUTE  | WINSTA_ACCESSGLOBALATOMS | WINSTA_EXITWINDOWS,
  26     STANDARD_RIGHTS_REQUIRED | WINSTA_ACCESSCLIPBOARD   | WINSTA_ACCESSGLOBALATOMS | WINSTA_CREATEDESKTOP  |
  27                                WINSTA_ENUMDESKTOPS      | WINSTA_ENUMERATE         | WINSTA_EXITWINDOWS    |
  28                                WINSTA_READATTRIBUTES    | WINSTA_READSCREEN        | WINSTA_WRITEATTRIBUTES
  29 };
  30
  31 static GENERIC_MAPPING ExpDesktopMapping = {
  32
  33     STANDARD_RIGHTS_READ     | DESKTOP_ENUMERATE       | DESKTOP_READOBJECTS,
  34     STANDARD_RIGHTS_WRITE    | DESKTOP_CREATEMENU      | DESKTOP_CREATEWINDOW    | DESKTOP_HOOKCONTROL   |
  35                                DESKTOP_JOURNALPLAYBACK | DESKTOP_JOURNALRECORD   | DESKTOP_WRITEOBJECTS,
  36     STANDARD_RIGHTS_EXECUTE  | DESKTOP_SWITCHDESKTOP,
  37     STANDARD_RIGHTS_REQUIRED | DESKTOP_CREATEMENU      | DESKTOP_CREATEWINDOW    | DESKTOP_ENUMERATE     |
  38                                DESKTOP_HOOKCONTROL     | DESKTOP_JOURNALPLAYBACK | DESKTOP_JOURNALRECORD |
  39                                DESKTOP_READOBJECTS     | DESKTOP_SWITCHDESKTOP   | DESKTOP_WRITEOBJECTS
  40 };
  41
  42 OB_OPEN_METHOD ExpWindowStationObjectOpen = NULL;
  43 OB_PARSE_METHOD ExpWindowStationObjectParse = NULL;
  44 OB_DELETE_METHOD ExpWindowStationObjectDelete = NULL;
  45 OB_FIND_METHOD ExpWindowStationObjectFind = NULL;
  46 OB_CREATE_METHOD ExpDesktopObjectCreate = NULL;
  47 OB_DELETE_METHOD ExpDesktopObjectDelete = NULL;
  48
  49 /* FUNCTIONS ****************************************************************/
  50
  51 NTSTATUS
  52 STDCALL
  53 ExpWinStaObjectOpen(OB_OPEN_REASON Reason,
  54                     PVOID ObjectBody,
  55                     PEPROCESS Process,
  56                     ULONG HandleCount,
  57                     ACCESS_MASK GrantedAccess)
  58 {
  59     /* Call the Registered Callback */
  60     return ExpWindowStationObjectOpen(Reason,
  61                                       ObjectBody,
  62                                       Process,
  63                                       HandleCount,
  64                                       GrantedAccess);
  65 }
  66
  67 VOID
  68 STDCALL
  69 ExpWinStaObjectDelete(PVOID DeletedObject)
  70 {
  71     /* Call the Registered Callback */
  72     ExpWindowStationObjectDelete(DeletedObject);
  73 }
  74
  75 PVOID
  76 STDCALL
  77 ExpWinStaObjectFind(PWINSTATION_OBJECT WinStaObject,
  78                     PWSTR Name,
  79                     ULONG Attributes)
  80 {
  81     /* Call the Registered Callback */
  82     return ExpWindowStationObjectFind(WinStaObject,
  83                                       Name,
  84                                       Attributes);
  85 }
  86
  87 NTSTATUS
  88 STDCALL
  89 ExpWinStaObjectParse(PVOID Object,
  90                      PVOID *NextObject,
  91                      PUNICODE_STRING FullPath,
  92                      PWSTR *Path,
  93                      ULONG Attributes)
  94 {
  95     /* Call the Registered Callback */
  96     return ExpWindowStationObjectParse(Object,
  97                                        NextObject,
  98                                        FullPath,
  99                                        Path,
 100                                        Attributes);
 101 }
 102
 103 NTSTATUS
 104 STDCALL
 105 ExpDesktopCreate(PVOID ObjectBody,
 106                  PVOID Parent,
 107                  PWSTR RemainingPath,
 108                  struct _OBJECT_ATTRIBUTES* ObjectAttributes)
 109 {
 110     /* Call the Registered Callback */
 111     return ExpDesktopObjectCreate(ObjectBody,
 112                                   Parent,
 113                                   RemainingPath,
 114                                   ObjectAttributes);
 115 }
 116
 117 VOID
 118 STDCALL
 119 ExpDesktopDelete(PVOID DeletedObject)
 120 {
 121     /* Call the Registered Callback */
 122     ExpDesktopObjectDelete(DeletedObject);
 123 }
 124
 125 VOID
 126 INIT_FUNCTION
 127 ExpWin32kInit(VOID)
 128 {
 129     OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
 130     UNICODE_STRING Name;
 131
 132     DPRINT("Creating window station  Object Type\n");
 133
 134     /* Create the window station Object Type */
 135     RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
 136     RtlInitUnicodeString(&Name, L"WindowStation");
 137     ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
 138     ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(WINSTATION_OBJECT);
 139     ObjectTypeInitializer.GenericMapping = ExpWindowStationMapping;
 140     ObjectTypeInitializer.PoolType = NonPagedPool;
 141     ObjectTypeInitializer.UseDefaultObject = TRUE;
 142     ObjectTypeInitializer.OpenProcedure = ExpWinStaObjectOpen;
 143     ObjectTypeInitializer.DeleteProcedure = ExpWinStaObjectDelete;
 144     ObjectTypeInitializer.ParseProcedure = ExpWinStaObjectParse;
 145     ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExWindowStationObjectType);
 146
 147     /* Create desktop object type */
 148     RtlInitUnicodeString(&Name, L"Desktop");
 149     ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(DESKTOP_OBJECT);
 150     ObjectTypeInitializer.GenericMapping = ExpDesktopMapping;
 151     ObjectTypeInitializer.OpenProcedure = NULL;
 152     ObjectTypeInitializer.DeleteProcedure = ExpDesktopDelete;
 153     ObjectTypeInitializer.ParseProcedure = NULL;
 154
 155     ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExDesktopObjectType);
 156 }
 157
 158 /* EOF */