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 OBJECT_CREATE_ROUTINE ExpWindowStationObjectCreate = NULL;
  43 OBJECT_PARSE_ROUTINE ExpWindowStationObjectParse = NULL;
  44 OBJECT_DELETE_ROUTINE ExpWindowStationObjectDelete = NULL;
  45 OBJECT_FIND_ROUTINE ExpWindowStationObjectFind = NULL;
  46 OBJECT_CREATE_ROUTINE ExpDesktopObjectCreate = NULL;
  47 OBJECT_DELETE_ROUTINE ExpDesktopObjectDelete = NULL;
  48
  49 /* FUNCTIONS ****************************************************************/
  50
  51 NTSTATUS
  52 STDCALL
  53 ExpWinStaObjectCreate(PVOID ObjectBody,
  54                       PVOID Parent,
  55                       PWSTR RemainingPath,
  56                       struct _OBJECT_ATTRIBUTES* ObjectAttributes)
  57 {
  58     /* Call the Registered Callback */
  59     return ExpWindowStationObjectCreate(ObjectBody,
  60                                         Parent,
  61                                         RemainingPath,
  62                                         ObjectAttributes);
  63 }
  64
  65 VOID
  66 STDCALL
  67 ExpWinStaObjectDelete(PVOID DeletedObject)
  68 {
  69     /* Call the Registered Callback */
  70     ExpWindowStationObjectDelete(DeletedObject);
  71 }
  72
  73 PVOID
  74 STDCALL
  75 ExpWinStaObjectFind(PWINSTATION_OBJECT WinStaObject,
  76                     PWSTR Name,
  77                     ULONG Attributes)
  78 {
  79     /* Call the Registered Callback */
  80     return ExpWindowStationObjectFind(WinStaObject,
  81                                       Name,
  82                                       Attributes);
  83 }
  84
  85 NTSTATUS
  86 STDCALL
  87 ExpWinStaObjectParse(PVOID Object,
  88                      PVOID *NextObject,
  89                      PUNICODE_STRING FullPath,
  90                      PWSTR *Path,
  91                      ULONG Attributes)
  92 {
  93     /* Call the Registered Callback */
  94     return ExpWindowStationObjectParse(Object,
  95                                        NextObject,
  96                                        FullPath,
  97                                        Path,
  98                                        Attributes);
  99 }
 100
 101 NTSTATUS
 102 STDCALL
 103 ExpDesktopCreate(PVOID ObjectBody,
 104                        PVOID Parent,
 105                        PWSTR RemainingPath,
 106                        struct _OBJECT_ATTRIBUTES* ObjectAttributes)
 107 {
 108     /* Call the Registered Callback */
 109     return ExpDesktopObjectCreate(ObjectBody,
 110                                   Parent,
 111                                   RemainingPath,
 112                                   ObjectAttributes);
 113 }
 114
 115 VOID
 116 STDCALL
 117 ExpDesktopDelete(PVOID DeletedObject)
 118 {
 119     /* Call the Registered Callback */
 120     ExpDesktopObjectDelete(DeletedObject);
 121 }
 122
 123 VOID
 124 INIT_FUNCTION
 125 ExpWin32kInit(VOID)
 126 {
 127     /* Create window station object type */
 128     ExWindowStationObjectType = ExAllocatePool(NonPagedPool, sizeof(OBJECT_TYPE));
 129     ExWindowStationObjectType->Tag = TAG('W', 'I', 'N', 'S');
 130     ExWindowStationObjectType->TotalObjects = 0;
 131     ExWindowStationObjectType->TotalHandles = 0;
 132     ExWindowStationObjectType->PeakObjects = 0;
 133     ExWindowStationObjectType->PeakHandles = 0;
 134     ExWindowStationObjectType->PagedPoolCharge = 0;
 135     ExWindowStationObjectType->NonpagedPoolCharge = sizeof(WINSTATION_OBJECT);
 136     ExWindowStationObjectType->Mapping = &ExpWindowStationMapping;
 137     ExWindowStationObjectType->Dump = NULL;
 138     ExWindowStationObjectType->Open = NULL;
 139     ExWindowStationObjectType->Close = NULL;
 140     ExWindowStationObjectType->Delete = ExpWinStaObjectDelete;
 141     ExWindowStationObjectType->Parse = ExpWinStaObjectParse;
 142     ExWindowStationObjectType->Security = NULL;
 143     ExWindowStationObjectType->QueryName = NULL;
 144     ExWindowStationObjectType->OkayToClose = NULL;
 145     ExWindowStationObjectType->Create = ExpWinStaObjectCreate;
 146     ExWindowStationObjectType->DuplicationNotify = NULL;
 147     RtlInitUnicodeString(&ExWindowStationObjectType->TypeName, L"WindowStation");
 148     ObpCreateTypeObject(ExWindowStationObjectType);
 149
 150     /* Create desktop object type */
 151     ExDesktopObjectType = ExAllocatePool(NonPagedPool, sizeof(OBJECT_TYPE));
 152     ExDesktopObjectType->Tag = TAG('D', 'E', 'S', 'K');
 153     ExDesktopObjectType->TotalObjects = 0;
 154     ExDesktopObjectType->TotalHandles = 0;
 155     ExDesktopObjectType->PeakObjects = 0;
 156     ExDesktopObjectType->PeakHandles = 0;
 157     ExDesktopObjectType->PagedPoolCharge = 0;
 158     ExDesktopObjectType->NonpagedPoolCharge = sizeof(DESKTOP_OBJECT);
 159     ExDesktopObjectType->Mapping = &ExpDesktopMapping;
 160     ExDesktopObjectType->Dump = NULL;
 161     ExDesktopObjectType->Open = NULL;
 162     ExDesktopObjectType->Close = NULL;
 163     ExDesktopObjectType->Delete = ExpDesktopDelete;
 164     ExDesktopObjectType->Parse = NULL;
 165     ExDesktopObjectType->Security = NULL;
 166     ExDesktopObjectType->QueryName = NULL;
 167     ExDesktopObjectType->OkayToClose = NULL;
 168     ExDesktopObjectType->Create = ExpDesktopCreate;
 169     ExDesktopObjectType->DuplicationNotify = NULL;
 170     RtlInitUnicodeString(&ExDesktopObjectType->TypeName, L"Desktop");
 171     ObpCreateTypeObject(ExDesktopObjectType);
 172 }
 173
 174 /* EOF */