win32ss/user/ntuser/winsta.h

   1 #pragma once
   2
   3 #define WINSTA_OBJ_DIR L"\\Windows\\WindowStations"
   4 #define SESSION_DIR L"\\Sessions"
   5
   6 /* Window Station Status Flags */
   7 #define WSS_LOCKED        (1)
   8 #define WSS_NOINTERACTIVE (2)
   9 #define WSS_NOIO          (4)
  10 #define WSS_SHUTDOWN      (8)
  11 #define WSS_DYING         (16)
  12 #define WSS_REALSHUTDOWN  (32)
  13
  14 // See also: https://reactos.org/wiki/Techwiki:Win32k/WINDOWSTATION
  15 typedef struct _WINSTATION_OBJECT
  16 {
  17     DWORD dwSessionId;
  18
  19     LIST_ENTRY DesktopListHead;
  20     PRTL_ATOM_TABLE AtomTable;
  21
  22     ULONG          Flags;
  23     struct tagKL*  spklList;
  24     PTHREADINFO    ptiClipLock;
  25     PTHREADINFO    ptiDrawingClipboard;
  26     PWND           spwndClipOpen;
  27     PWND           spwndClipViewer;
  28     PWND           spwndClipOwner;
  29     PCLIP          pClipBase;     // Not a clip object.
  30     DWORD          cNumClipFormats;
  31     INT            iClipSerialNumber;
  32     INT            iClipSequenceNumber;
  33     INT            fClipboardChanged : 1;
  34     INT            fInDelayedRendering : 1;
  35
  36     PWND           spwndClipboardListener;
  37     LUID           luidEndSession;
  38     LUID           luidUser;
  39     PVOID          psidUser;
  40
  41     /* ReactOS-specific */
  42     struct _DESKTOP* ActiveDesktop;
  43     HANDLE         ShellWindow;
  44     HANDLE         ShellListView;
  45 } WINSTATION_OBJECT, *PWINSTATION_OBJECT;
  46
  47 #ifndef _WIN64
  48 C_ASSERT(offsetof(WINSTATION_OBJECT, Flags) == 0x10);
  49 C_ASSERT(offsetof(WINSTATION_OBJECT, spklList) == 0x14);
  50 C_ASSERT(offsetof(WINSTATION_OBJECT, ptiClipLock) == 0x18);
  51 C_ASSERT(offsetof(WINSTATION_OBJECT, ptiDrawingClipboard) == 0x1c);
  52 C_ASSERT(offsetof(WINSTATION_OBJECT, spwndClipOpen) == 0x20);
  53 C_ASSERT(offsetof(WINSTATION_OBJECT, spwndClipViewer) == 0x24);
  54 C_ASSERT(offsetof(WINSTATION_OBJECT, spwndClipOwner) == 0x28);
  55 #endif
  56
  57 extern WINSTATION_OBJECT *InputWindowStation;
  58 extern HANDLE gpidLogon;
  59 extern HWND hwndSAS;
  60 extern UNICODE_STRING gustrWindowStationsDir;
  61
  62 CODE_SEG("INIT")
  63 NTSTATUS
  64 NTAPI
  65 InitWindowStationImpl(VOID);
  66
  67 NTSTATUS
  68 NTAPI
  69 UserCreateWinstaDirectory(VOID);
  70
  71 NTSTATUS
  72 NTAPI
  73 IntWinStaObjectDelete(
  74     _In_ PVOID Parameters);
  75
  76 NTSTATUS
  77 NTAPI
  78 IntWinStaObjectParse(
  79     _In_ PVOID Parameters);
  80
  81 NTSTATUS
  82 NTAPI
  83 IntWinStaOkToClose(
  84     _In_ PVOID Parameters);
  85
  86 NTSTATUS
  87 FASTCALL
  88 IntValidateWindowStationHandle(
  89    HWINSTA WindowStation,
  90    KPROCESSOR_MODE AccessMode,
  91    ACCESS_MASK DesiredAccess,
  92    PWINSTATION_OBJECT *Object,
  93    POBJECT_HANDLE_INFORMATION pObjectHandleInfo);
  94
  95 NTSTATUS
  96 FASTCALL
  97 IntCreateWindowStation(
  98     OUT HWINSTA* phWinSta,
  99     IN POBJECT_ATTRIBUTES ObjectAttributes,
 100     IN KPROCESSOR_MODE AccessMode,
 101     IN KPROCESSOR_MODE OwnerMode,
 102     IN ACCESS_MASK dwDesiredAccess,
 103     DWORD Unknown2,
 104     DWORD Unknown3,
 105     DWORD Unknown4,
 106     DWORD Unknown5,
 107     DWORD Unknown6);
 108
 109 PWINSTATION_OBJECT FASTCALL IntGetProcessWindowStation(HWINSTA *phWinSta OPTIONAL);
 110 BOOL FASTCALL UserSetProcessWindowStation(HWINSTA hWindowStation);
 111
 112 BOOL FASTCALL co_IntInitializeDesktopGraphics(VOID);
 113 VOID FASTCALL IntEndDesktopGraphics(VOID);
 114 BOOL FASTCALL CheckWinstaAttributeAccess(ACCESS_MASK);
 115
 116 /* EOF */