misc.c File Reference

#include "precomp.h"

Go to the source code of this file.

Functions
NTSTATUS	RemoteConnect (IN PDOCONNECTDATA pDoConnectData, IN ULONG DisplayDriverNameLength, IN PWCHAR DisplayDriverName)
NTSTATUS	xxxRemoteDisconnect (VOID)
NTSTATUS	xxxRemoteReconnect (IN PDORECONNECTDATA pDoReconnectData)
NTSTATUS	RemoteLogoff (VOID)
NTSTATUS	xxxRemoteStopScreenUpdates (BOOL fDisableGraphics)
VOID	xxxPushKeyEvent (BYTE bVk, BYTE bScan, DWORD dwFlags, DWORD dwExtraInfo)
NTSTATUS	RemoteThinwireStats (OUT PVOID Stats)
NTSTATUS	RemoteNtSecurity (VOID)
NTSTATUS	xxxRemoteShadowSetup (VOID)
NTSTATUS	RemoteShadowStart (IN PVOID pThinwireData, ULONG ThinwireDataLength)
NTSTATUS	xxxRemoteShadowStop (VOID)
NTSTATUS	RemoteShadowCleanup (IN PVOID pThinwireData, ULONG ThinwireDataLength)
NTSTATUS	xxxRemotePassthruEnable (VOID)
NTSTATUS	RemotePassthruDisable (VOID)
NTSTATUS	CtxDisplayIOCtl (ULONG DisplayIOCtlFlags, PUCHAR pDisplayIOCtlData, ULONG cbDisplayIOCtlData)
DWORD	RemoteConnectState (VOID)
BOOL	_GetWinStationInfo (WSINFO *pWsInfo)
Variables
CACHE_STATISTICS	ThinWireCache

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Function Documentation

BOOL _GetWinStationInfo (  WSINFO *  pWsInfo  )

Definition at line 872 of file w32/ntuser/kernel/misc.c. References CheckCritIn, DATAALIGN, FALSE, gWinStationInfo, ProbeForWrite(), and TRUE. { CheckCritIn(); try { ProbeForWrite(pWsInfo, sizeof(gWinStationInfo), DATAALIGN); RtlCopyMemory(pWsInfo, &gWinStationInfo, sizeof(gWinStationInfo)); } except (W32ExceptionHandler(FALSE, RIP_WARNING)) { return FALSE; } return TRUE; }

NTSTATUS CtxDisplayIOCtl (  ULONG  DisplayIOCtlFlags, PUCHAR  pDisplayIOCtlData, ULONG  cbDisplayIOCtlData )

Definition at line 814 of file w32/ntuser/kernel/misc.c. References BOOL, gpDispInfo, tagDISPLAYINFO::hDev, RemoteRedrawRectangle(), and TRACE_HYDAPI. Referenced by NtUserCtxDisplayIOCtl(). { BOOL fResult; TRACE_HYDAPI(("CtxDisplayIOCtl\n")); fResult = bDrvDisplayIOCtl(gpDispInfo->hDev, pDisplayIOCtlData, cbDisplayIOCtlData); if (!fResult) { return STATUS_CTX_BAD_VIDEO_MODE; } if ((DisplayIOCtlFlags & DISPLAY_IOCTL_FLAG_REDRAW)) { RemoteRedrawRectangle(0,0,0xffff,0xffff); } return STATUS_SUCCESS; }

NTSTATUS RemoteConnect (  IN PDOCONNECTDATA  pDoConnectData, IN ULONG  DisplayDriverNameLength, IN PWCHAR  DisplayDriverName )

Definition at line 20 of file w32/ntuser/kernel/misc.c. References CreateKernelEvent(), DWORD, FALSE, gbClientDoubleClickSupport, gbConnected, gbRemoteSession, gbVideoInitialized, gfEnableWindowsKey, ghRemoteBeepChannel, ghRemoteKeyboardChannel, ghRemoteMouseChannel, ghRemoteThinwireChannel, ghRemoteVideoChannel, gpevtDesktopDestroyed, gpRemoteBeepDevice, gpThinWireCache, gRemoteClientKeyboardType, gstrBaseWinStationName, gThinwireFileObject, gVideoFileObject, gWinStationInfo, HH_REMOTECONNECT, HYDRA_HINT, InitLoadResources(), InitVideo(), IoGetRelatedDeviceObject(), ISCSRSS, KernelMode, L, LW_BrushInit(), min, NT_SUCCESS, NTSTATUS(), NULL, ObReferenceObjectByHandle(), PBYTE, PDOCONNECTDATA, Status, ThinWireCache, TRACE_HYDAPI, and TRUE. Referenced by NtUserRemoteConnect(). { NTSTATUS Status = STATUS_SUCCESS; PFILE_OBJECT pFileObject = NULL; PDEVICE_OBJECT pDeviceObject = NULL; PWCHAR pSep; TRACE_HYDAPI(("RemoteConnect: display %ws\n", DisplayDriverName)); HYDRA_HINT(HH_REMOTECONNECT); UserAssert(ISCSRSS()); gpThinWireCache = &ThinWireCache; if (pDoConnectData->fMouse) { ghRemoteMouseChannel = pDoConnectData->IcaMouseChannel; } else { ghRemoteMouseChannel = NULL; } ghRemoteVideoChannel = pDoConnectData->IcaVideoChannel; ghRemoteBeepChannel = pDoConnectData->IcaBeepChannel; ghRemoteKeyboardChannel = pDoConnectData->IcaKeyboardChannel; ghRemoteThinwireChannel = pDoConnectData->IcaThinwireChannel; gRemoteClientKeyboardType = pDoConnectData->ClientKeyboardType; gbClientDoubleClickSupport = pDoConnectData->fClientDoubleClickSupport; gfEnableWindowsKey = pDoConnectData->fEnableWindowsKey; RtlCopyMemory(gWinStationInfo.ProtocolName, pDoConnectData->ProtocolName, WPROTOCOLNAME_LENGTH * sizeof(WCHAR)); RtlCopyMemory(gWinStationInfo.AudioDriverName, pDoConnectData->AudioDriverName, WAUDIONAME_LENGTH * sizeof(WCHAR)); RtlZeroMemory(gstrBaseWinStationName, WINSTATIONNAME_LENGTH * sizeof(WCHAR)); RtlCopyMemory(gstrBaseWinStationName, pDoConnectData->WinStationName, min(WINSTATIONNAME_LENGTH * sizeof(WCHAR), sizeof(pDoConnectData->WinStationName))); if (pSep = wcschr(gstrBaseWinStationName, L'#')) *pSep = UNICODE_NULL; /* * Create the event that is signaled when a desktop does away */ gpevtDesktopDestroyed = CreateKernelEvent(SynchronizationEvent, FALSE); if (gpevtDesktopDestroyed == NULL) { RIPMSG0(RIP_WARNING, "RemoteConnect couldn't create gpevtDesktopDestroyed"); return STATUS_NO_MEMORY; } gbConnected = TRUE; /* * WinStations must have the video device handle passed to them. */ if (gbRemoteSession && !gVideoFileObject) { PFILE_OBJECT pFileObject = NULL; PDEVICE_OBJECT pDeviceObject = NULL; // // Dereference the file handle // and obtain a pointer to the device object for the handle. // Status = ObReferenceObjectByHandle(ghRemoteVideoChannel, 0, NULL, KernelMode, (PVOID*)&pFileObject, NULL); if (NT_SUCCESS(Status)) { gVideoFileObject = pFileObject; // // Get a pointer to the device object for this file. // pDeviceObject = IoGetRelatedDeviceObject(pFileObject); Status = ObReferenceObjectByHandle(ghRemoteThinwireChannel, 0, NULL, KernelMode, (PVOID*)&gThinwireFileObject, NULL); /* * This must be done before any thinwire data. */ if (NT_SUCCESS(Status)) { if (!GreMultiUserInitSession(ghRemoteThinwireChannel, (PBYTE)gpThinWireCache, gVideoFileObject, gThinwireFileObject, DisplayDriverNameLength, DisplayDriverName)) { RIPMSG0(RIP_WARNING, "UserInit: GreMultiUserInitSession failed"); Status = STATUS_UNSUCCESSFUL; } else { DWORD BytesReturned; Status = GreDeviceIoControl( pDeviceObject, IOCTL_VIDEO_ICA_ENABLE_GRAPHICS, NULL, 0, NULL, 0, &BytesReturned); if (!NT_SUCCESS(Status)) { RIPMSG1(RIP_WARNING, "UserInit: Enable graphics status %08lx", Status); } } } } } if (!NT_SUCCESS(Status)) { RIPMSG0(RIP_WARNING, "RemoteConnect failed"); return Status; } if (InitVideo(FALSE) == NULL) { gbConnected = FALSE; RIPMSG0(RIP_WARNING, "InitVideo failed"); return STATUS_UNSUCCESSFUL; } if (!LW_BrushInit()) { RIPMSG0(RIP_WARNING, "LW_BrushInit failed"); return STATUS_NO_MEMORY; } InitLoadResources(); Status = ObReferenceObjectByHandle(ghRemoteBeepChannel, 0, NULL, KernelMode, (PVOID*)&gpRemoteBeepDevice, NULL); /* * video is initialized at this point */ if (NT_SUCCESS(Status)) { gbVideoInitialized = TRUE; } else { RIPMSG0(RIP_WARNING, "Bad Remote Beep Channel"); } return Status; }

DWORD RemoteConnectState (  VOID   )

Definition at line 843 of file w32/ntuser/kernel/misc.c. References DWORD, gbConnected, gbExitInProgress, gbRemoteSession, and gbVideoInitialized. { DWORD state = 0; if (!gbRemoteSession) { state = CTX_W32_CONNECT_STATE_CONSOLE; } else if (!gbVideoInitialized) { state = CTX_W32_CONNECT_STATE_IDLE; } else if (gbExitInProgress) { state = CTX_W32_CONNECT_STATE_EXIT_IN_PROGRESS; } else if (gbConnected) { state = CTX_W32_CONNECT_STATE_CONNECTED; } else { state = CTX_W32_CONNECT_STATE_DISCONNECTED; } return state; }

NTSTATUS RemoteLogoff (  VOID   )

Definition at line 415 of file w32/ntuser/kernel/misc.c. References _PostMessage(), gspwndLogonNotify, HH_REMOTELOGOFF, HYDRA_HINT, ISCSRSS, ISTS, NTSTATUS(), NULL, Status, and TRACE_HYDAPI. { NTSTATUS Status = STATUS_SUCCESS; TRACE_HYDAPI(("RemoteLogoff\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } HYDRA_HINT(HH_REMOTELOGOFF); UserAssert(ISCSRSS()); /* * Tell winlogon about the logoff */ if (gspwndLogonNotify != NULL) { _PostMessage(gspwndLogonNotify, WM_LOGONNOTIFY, SESSION_LOGOFF, EWX_LOGOFF | EWX_FORCE); } return Status; }

NTSTATUS RemoteNtSecurity (  VOID   )

Definition at line 582 of file w32/ntuser/kernel/misc.c. References _PostMessage(), gspwndLogonNotify, ISCSRSS, ISTS, NULL, and TRACE_HYDAPI. { TRACE_HYDAPI(("RemoteNtSecurity\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); UserAssert(gspwndLogonNotify != NULL); if (gspwndLogonNotify != NULL) { _PostMessage(gspwndLogonNotify, WM_HOTKEY, 0, 0); } return STATUS_SUCCESS; }

NTSTATUS RemotePassthruDisable (  VOID   )

Definition at line 781 of file w32/ntuser/kernel/misc.c. References BOOL, FALSE, gbConnected, ghRemoteThinwireChannel, gnShadowers, gpDispInfo, gThinwireFileObject, tagDISPLAYINFO::hDev, ISCSRSS, ISTS, RemoteRedrawScreen(), TRACE_HYDAPI, and UpdateKeyLights(). { BOOL fResult; TRACE_HYDAPI(("RemotePassthruDisable\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(gnShadowers == 0); UserAssert(ISCSRSS()); fResult = bDrvReconnect(gpDispInfo->hDev, ghRemoteThinwireChannel, gThinwireFileObject); if (!fResult) { return STATUS_CTX_BAD_VIDEO_MODE; } if (gbConnected) { RemoteRedrawScreen(); UpdateKeyLights(FALSE); // Make sure LED's are correct } return STATUS_SUCCESS; }

NTSTATUS RemoteShadowCleanup (  IN PVOID  pThinwireData, ULONG  ThinwireDataLength )

Definition at line 700 of file w32/ntuser/kernel/misc.c. References gbConnected, gnShadowers, gpDispInfo, tagDISPLAYINFO::hDev, ISCSRSS, ISTS, NTSTATUS(), RemoteRedrawScreen(), Status, and TRACE_HYDAPI. { NTSTATUS Status = STATUS_SUCCESS; TRACE_HYDAPI(("RemoteShadowCleanup\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); /* * Tell the Thinwire driver about it */ bDrvShadowDisconnect(gpDispInfo->hDev, pThinwireData, ThinwireDataLength); if (gnShadowers > 0) gnShadowers--; if (gnShadowers || gbConnected) { RemoteRedrawScreen(); } return Status; }

NTSTATUS RemoteShadowStart (  IN PVOID  pThinwireData, ULONG  ThinwireDataLength )

Definition at line 635 of file w32/ntuser/kernel/misc.c. References BOOL, gpDispInfo, tagDISPLAYINFO::hDev, ISCSRSS, ISTS, NTSTATUS(), RemoteRedrawScreen(), Status, TRACE_HYDAPI, and TRUE. { BOOL fResult; NTSTATUS Status = STATUS_SUCCESS; TRACE_HYDAPI(("RemoteShadowStart\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); /* * Call thinwire driver and check for thinwire mode compatibility */ fResult = bDrvShadowConnect(gpDispInfo->hDev, pThinwireData, ThinwireDataLength); // Although originally defined as BOOL, allow more meaningful return codes. if (!fResult) { return STATUS_CTX_BAD_VIDEO_MODE; } else if (fResult != TRUE) { return fResult; } RemoteRedrawScreen(); return Status; }

NTSTATUS RemoteThinwireStats (  OUT PVOID  Stats  )

Definition at line 558 of file w32/ntuser/kernel/misc.c. References DWORD, gpThinWireCache, ISCSRSS, ISTS, NULL, and TRACE_HYDAPI. { static DWORD sThinwireStatsLength = sizeof(CACHE_STATISTICS); TRACE_HYDAPI(("RemoteThinwireStats\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); if (gpThinWireCache != NULL) { RtlCopyMemory(Stats, gpThinWireCache, sThinwireStatsLength); return STATUS_SUCCESS; } return STATUS_NO_SUCH_DEVICE; }

VOID xxxPushKeyEvent (  BYTE  bVk, BYTE  bScan, DWORD  dwFlags, DWORD  dwExtraInfo )

Definition at line 536 of file w32/ntuser/kernel/misc.c. References dwFlags, FALSE, NtGetTickCount(), USHORT, VOID(), and xxxKeyEvent(). Referenced by xxxRemoteStopScreenUpdates(). { USHORT usFlaggedVK; usFlaggedVK = (USHORT)bVk; if (dwFlags & KEYEVENTF_KEYUP) usFlaggedVK |= KBDBREAK; // IanJa: not all extended keys are numpad, but this seems to work. if (dwFlags & KEYEVENTF_EXTENDEDKEY) usFlaggedVK |= KBDNUMPAD | KBDEXT; xxxKeyEvent(usFlaggedVK, bScan, NtGetTickCount(), dwExtraInfo, FALSE); }

NTSTATUS xxxRemoteDisconnect (  VOID   )

Definition at line 188 of file w32/ntuser/kernel/misc.c. References _PostMessage(), FALSE, gbConnected, ghRemoteThinwireChannel, gnShadowers, gpDispInfo, gpEventDiconnectDesktop, gspdeskDisconnect, gspwndLogonNotify, gstrBaseWinStationName, gThinwireFileObject, tagDISPLAYINFO::hDev, HH_REMOTEDISCONNECT, HYDRA_HINT, ISCSRSS, ISTS, KernelMode, KeWaitForSingleObject(), NT_SUCCESS, NTSTATUS(), NULL, RemoteRedrawScreen(), Status, TRACE_HYDAPI, WrUserRequest, and xxxRemoteStopScreenUpdates(). { NTSTATUS Status = STATUS_SUCCESS; LARGE_INTEGER li; TRACE_HYDAPI(("xxxRemoteDisconnect\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } HYDRA_HINT(HH_REMOTEDISCONNECT); RtlZeroMemory(gstrBaseWinStationName, WINSTATIONNAME_LENGTH * sizeof(WCHAR)); UserAssert(gbConnected); if (gspdeskDisconnect == NULL) { /* * Convert dwMilliseconds to a relative-time(i.e. negative) * LARGE_INTEGER. NT Base calls take time values in 100 nanosecond * units. Timeout after 5 minutes. */ li.QuadPart = Int32x32To64(-10000, 300000); KeWaitForSingleObject(gpEventDiconnectDesktop, WrUserRequest, KernelMode, FALSE, &li); } /* * If the disconnected desktop has not yet be setup. Do not do any * disconnect processing. It's better for the thinwire driver to try * and write rather than for the transmit buffers to be freed (trap). */ if (gspdeskDisconnect) { /* * Blank the screen * * No need to stop graphics mode for disconnects */ Status = xxxRemoteStopScreenUpdates(FALSE); if (!NT_SUCCESS(Status)) { return Status; } /* * If there are any shadow connections, then redraw the screen now. */ if (gnShadowers) RemoteRedrawScreen(); } else { RIPMSG0(RIP_WARNING, "xxxRemoteDisconnect failed. The disconnect desktop was not created"); return STATUS_UNSUCCESSFUL; } /* * Tell thinwire driver about this */ bDrvDisconnect(gpDispInfo->hDev, ghRemoteThinwireChannel, gThinwireFileObject); /* * Tell winlogon about the disconnect */ if (gspwndLogonNotify != NULL) { _PostMessage(gspwndLogonNotify, WM_LOGONNOTIFY, SESSION_DISCONNECTED, 0); } gbConnected = FALSE; return Status; }

NTSTATUS xxxRemotePassthruEnable (  VOID   )

Definition at line 735 of file w32/ntuser/kernel/misc.c. References BOOL, FALSE, gapulCvt_VK, gapulCvt_VK_84, gbConnected, ghKbdTblBase, ghRemoteKeyboardChannel, ghRemoteThinwireChannel, gnShadowers, gpDispInfo, gpKbdTbl, gThinwireFileObject, guKbdTblSize, tagDISPLAYINFO::hDev, ISCSRSS, ISTS, NULL, TRACE_HYDAPI, and xxxRemoteStopScreenUpdates(). { IO_STATUS_BLOCK IoStatus; static BOOL KeyboardType101; TRACE_HYDAPI(("xxxRemotePassthruEnable\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(gbConnected); UserAssert(gnShadowers == 0); UserAssert(ISCSRSS()); KeyboardType101 = !(gapulCvt_VK == gapulCvt_VK_84); ZwDeviceIoControlFile(ghRemoteKeyboardChannel, NULL, NULL, NULL, &IoStatus, IOCTL_KEYBOARD_ICA_TYPE, &KeyboardType101, sizeof(KeyboardType101), NULL, 0); if (guKbdTblSize != 0) { ZwDeviceIoControlFile(ghRemoteKeyboardChannel, NULL, NULL, NULL, &IoStatus, IOCTL_KEYBOARD_ICA_LAYOUT, ghKbdTblBase, guKbdTblSize, gpKbdTbl, 0); } xxxRemoteStopScreenUpdates(FALSE); /* * Tell thinwire driver about this */ bDrvDisconnect(gpDispInfo->hDev, ghRemoteThinwireChannel, gThinwireFileObject); return STATUS_SUCCESS; }

NTSTATUS xxxRemoteReconnect (  IN PDORECONNECTDATA  pDoReconnectData  )

Definition at line 273 of file w32/ntuser/kernel/misc.c. References _PostMessage(), BOOL, FALSE, gbClientDoubleClickSupport, gbConnected, gfEnableWindowsKey, ghRemoteThinwireChannel, gnShadowers, gpDispInfo, gRemoteClientKeyboardType, grpdeskRitInput, gspwndLogonNotify, gstrBaseWinStationName, gThinwireFileObject, tagDISPLAYINFO::hDev, HH_REMOTERECONNECT, HYDRA_HINT, InitKeyboard(), ISCSRSS, ISTS, KernelMode, L, min, NT_SUCCESS, NTSTATUS(), NULL, PDORECONNECTDATA, tagDISPLAYINFO::pmdev, RemoteRedrawScreen(), RtlInitUnicodeString(), SetPointer(), Status, TRACE_HYDAPI, TRUE, UpdateKeyLights(), UpdateMouseInfo(), xxxRemoteStopScreenUpdates(), and xxxUserChangeDisplaySettings(). { NTSTATUS Status = STATUS_SUCCESS; BOOL fResult; PWCHAR pSep; TRACE_HYDAPI(("xxxRemoteReconnect\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } HYDRA_HINT(HH_REMOTERECONNECT); UserAssert(ISCSRSS()); gRemoteClientKeyboardType = pDoReconnectData->ClientKeyboardType; gbClientDoubleClickSupport = pDoReconnectData->fClientDoubleClickSupport; gfEnableWindowsKey = pDoReconnectData->fEnableWindowsKey; RtlCopyMemory(gstrBaseWinStationName, pDoReconnectData->WinStationName, min(WINSTATIONNAME_LENGTH * sizeof(WCHAR), sizeof(pDoReconnectData->WinStationName))); if (pSep = wcschr(gstrBaseWinStationName, L'#')) *pSep = UNICODE_NULL; if (gnShadowers) xxxRemoteStopScreenUpdates(TRUE); /* * Call thinwire driver to check for thinwire mode compatibility */ fResult = bDrvReconnect(gpDispInfo->hDev, ghRemoteThinwireChannel, gThinwireFileObject); if (!fResult) { if (gnShadowers) RemoteRedrawScreen(); return STATUS_CTX_BAD_VIDEO_MODE; } /* * If instructed to do so, change Display mode before Reconnecting. * Use display resolution information from Reconnect data. */ if (pDoReconnectData->fChangeDisplaySettings) { DEVMODEW devmodew; UNICODE_STRING ustrDeviceName; PDEVMODEW pDevmodew = &devmodew; RtlZeroMemory(pDevmodew, sizeof(DEVMODEW)); pDevmodew->dmPelsHeight = pDoReconnectData->drPelsHeight; pDevmodew->dmPelsWidth = pDoReconnectData->drPelsWidth; pDevmodew->dmBitsPerPel = pDoReconnectData->drBitsPerPel; pDevmodew->dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT; pDevmodew->dmSize = sizeof(DEVMODEW); RtlInitUnicodeString(&ustrDeviceName, L"\\\\.\\DISPLAY1"); Status = xxxUserChangeDisplaySettings(NULL, //&ustrDeviceName, &devmodew, NULL, grpdeskRitInput, 0, NULL, KernelMode); /* * If Display settings change fails, let us disconnect the display driver * as the reconnect is going to be failed anyway. */ if (!NT_SUCCESS(Status)) { bDrvDisconnect(gpDispInfo->hDev, ghRemoteThinwireChannel, gThinwireFileObject); return Status; } /* * Code in RemoteRedrawScreen() Expects gpDispInfo->pmdev to disabled, but * it has been enabled by xxxUserChangeDisplaySettings(), so let's disable it * before calling RemoteRedrawScreen(). */ DrvDisableMDEV(gpDispInfo->pmdev, TRUE); } /* * Now we can swicth out from disconnected desktop, to normal * desktop, in order to renable screen update. */ RemoteRedrawScreen(); if (gspwndLogonNotify != NULL) { _PostMessage(gspwndLogonNotify, WM_LOGONNOTIFY, SESSION_RECONNECTED, 0); } /* * We need to re-init the mouse, especially since we may not have had one before. */ UpdateMouseInfo(); /* * Re-init'ing the keyboard may not be as neccessary. Possibly the keyboard * attributes have changed. */ InitKeyboard(); /* * This is neccessary to sync up the client and the host. */ UpdateKeyLights(FALSE); SetPointer(TRUE); gbConnected = TRUE; return Status; }

NTSTATUS xxxRemoteShadowSetup (  VOID   )

Definition at line 606 of file w32/ntuser/kernel/misc.c. References FALSE, gbConnected, gnShadowers, ISCSRSS, ISTS, NTSTATUS(), Status, TRACE_HYDAPI, and xxxRemoteStopScreenUpdates(). { NTSTATUS Status = STATUS_SUCCESS; TRACE_HYDAPI(("xxxRemoteShadowSetup\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); /* * Blank the screen */ if (gnShadowers || gbConnected) xxxRemoteStopScreenUpdates(FALSE); gnShadowers++; return Status; }

NTSTATUS xxxRemoteShadowStop (  VOID   )

Definition at line 674 of file w32/ntuser/kernel/misc.c. References FALSE, ISCSRSS, ISTS, NTSTATUS(), Status, TRACE_HYDAPI, and xxxRemoteStopScreenUpdates(). { NTSTATUS Status = STATUS_SUCCESS; TRACE_HYDAPI(("xxxRemoteShadowStop\n")); /* * Only allow CSRSS to do this */ if (!ISCSRSS() || !ISTS()) { return STATUS_ACCESS_DENIED; } UserAssert(ISCSRSS()); /* * Blank the screen */ xxxRemoteStopScreenUpdates(FALSE); return Status; }

NTSTATUS xxxRemoteStopScreenUpdates (  BOOL  fDisableGraphics  )

Definition at line 446 of file w32/ntuser/kernel/misc.c. References CheckCritIn, FALSE, gbFreezeScreenUpdates, ghRemoteVideoChannel, gptCursorAsync, grpdeskRitInput, gspdeskDisconnect, gwMKButtonState, gwMKCurrentButton, ISCSRSS, L, MOUSE_BUTTON_LEFT, MOUSE_BUTTON_RIGHT, NT_SUCCESS, NtGetTickCount(), NTSTATUS(), NULL, RemoteDisableScreen(), Status, TRACE_HYDAPI, TRUE, xxxButtonEvent(), and xxxPushKeyEvent(). Referenced by NtUserRemoteStopScreenUpdates(), xxxRemoteDisconnect(), xxxRemotePassthruEnable(), xxxRemoteReconnect(), xxxRemoteShadowSetup(), and xxxRemoteShadowStop(). { NTSTATUS Status = STATUS_SUCCESS; NTSTATUS SaveStatus = STATUS_SUCCESS; //ULONG BytesReturned; WORD NewButtonState; TRACE_HYDAPI(("xxxRemoteStopScreenUpdates fDisableGraphics %d\n", fDisableGraphics)); CheckCritIn(); UserAssert(ISCSRSS()); /* * No need to do this multiple times. */ if (gbFreezeScreenUpdates) return STATUS_SUCCESS; /* * This could be called directly from the command channel. */ if (!gspdeskDisconnect) return STATUS_SUCCESS; /* * If not connected, forget it */ if (ghRemoteVideoChannel == NULL) return STATUS_NO_SUCH_DEVICE; /* * Mouse buttons up. * (Ensures no mouse buttons are left in a down state) */ NewButtonState = gwMKButtonState & ~gwMKCurrentButton; if ((NewButtonState & MOUSE_BUTTON_LEFT) != (gwMKButtonState & MOUSE_BUTTON_LEFT)) { xxxButtonEvent(MOUSE_BUTTON_LEFT, gptCursorAsync, TRUE, NtGetTickCount(), 0L, 0L, FALSE); } if ((NewButtonState & MOUSE_BUTTON_RIGHT) != (gwMKButtonState & MOUSE_BUTTON_RIGHT)) { xxxButtonEvent(MOUSE_BUTTON_RIGHT, gptCursorAsync, TRUE, NtGetTickCount(), 0L, 0L, FALSE); } gwMKButtonState = NewButtonState; /* * Send shift key breaks to win32 * (Ensures no shift keys are left on) */ // { 0, 0xb8, KEY_BREAK, 0, 0 }, // L alt xxxPushKeyEvent(VK_LMENU, 0xb8, KEYEVENTF_KEYUP, 0); // { 0, 0xb8, KEY_BREAK | KEY_E0, 0, 0 }, // R alt xxxPushKeyEvent(VK_RMENU, 0xb8, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); // { 0, 0x9d, KEY_BREAK, 0, 0 }, // L ctrl xxxPushKeyEvent(VK_LCONTROL, 0x9d, KEYEVENTF_KEYUP, 0); // { 0, 0x9d, KEY_BREAK | KEY_E0, 0, 0 }, // R ctrl xxxPushKeyEvent(VK_RCONTROL, 0x9d, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); // { 0, 0xaa, KEY_BREAK, 0, 0 }, // L shift xxxPushKeyEvent(VK_LSHIFT, 0xaa, KEYEVENTF_KEYUP, 0); // { 0, 0xb6, KEY_BREAK, 0, 0 } // R shift xxxPushKeyEvent(VK_RSHIFT, 0xb6, KEYEVENTF_KEYUP, 0); Status = RemoteDisableScreen(); if (!NT_SUCCESS(Status)) { return STATUS_NO_SUCH_DEVICE; } UserAssert(gspdeskDisconnect != NULL && grpdeskRitInput == gspdeskDisconnect); gbFreezeScreenUpdates = TRUE; return Status; UNREFERENCED_PARAMETER(fDisableGraphics); }

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Variable Documentation

CACHE_STATISTICS ThinWireCache

Definition at line 18 of file w32/ntuser/kernel/misc.c. Referenced by RemoteConnect().

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