Exemple #1
0
DllExport BOOL UnSetHook(HWND hWnd)
{

	BOOL unHooked = TRUE;
	
	// Remove the extra property value from all local windows
	EnumWindows((WNDENUMPROC) &KillPropsProc, NULL);

	// Stop the keyboard & mouse hooks
	unHooked = unHooked && SetKeyboardFilterHook(FALSE);
	unHooked = unHooked && SetMouseFilterHook(FALSE);

	// Is the window handle valid?
	if (hWnd == NULL)
		MessageBox(NULL, "Window pointer is null", "Message", MB_OK);

	// Is the correct application calling UnSetHook?
	if (hWnd != hVeneto)
		return FALSE;

	// Unhook the procs
	if (hCallWndHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hCallWndHook);
		hCallWndHook = NULL;
	}

	if (hGetMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hGetMsgHook);
		hGetMsgHook = NULL;
	}

	if (hDialogMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hDialogMsgHook);
		hDialogMsgHook = NULL;
	}

	// If we managed to unhook then reset
	if (unHooked)
	{
		hVeneto = NULL;
		HookMaster = FALSE;
	}

	return unHooked;

}
Exemple #2
0
DllExport BOOL UnSetHooks(DWORD thread_id)
{

	BOOL unHooked = TRUE;
	
	// Remove the extra property value from all local windows
	EnumWindows((WNDENUMPROC) &KillPropsProc, NULL);

	// Stop the keyboard & mouse hooks
	unHooked = unHooked && SetKeyboardFilterHook(FALSE);
	unHooked = unHooked && SetMouseFilterHook(FALSE);

	// Is the window handle valid?
	//if (thread_id != vnc_thread_id) // Max: do not think this check is needed
	//	return FALSE;

	// Unhook the procs
	if (hCallWndHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hCallWndHook);
		hCallWndHook = NULL;
	}

	if (hGetMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hGetMsgHook);
		hGetMsgHook = NULL;
	}

	if (hDialogMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hDialogMsgHook);
		hDialogMsgHook = NULL;
	}

	// If we managed to unhook then reset
	if (unHooked)
	{
		vnc_thread_id = 0;
		HookMaster = FALSE;
	}

#ifdef _MSC_VER 
		_RPT0(_CRT_WARN, "vncHooks : Hooking stopped");
#endif

	return unHooked;

}
Exemple #3
0
DllExport BOOL UnSetHooks(DWORD thread_id)
{

	BOOL unHooked = TRUE;
	
	// Remove the extra property value from all local windows
	EnumWindows((WNDENUMPROC) &KillPropsProc, NULL);

	// Stop the keyboard & mouse hooks
	unHooked = unHooked && SetKeyboardFilterHook(FALSE);
	unHooked = unHooked && SetMouseFilterHook(FALSE);

	// Is the window handle valid?
	if (thread_id != vnc_thread_id)
		return FALSE;

	// Unhook the procs
	if (hCallWndHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hCallWndHook);
		hCallWndHook = NULL;
	}

	if (hGetMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hGetMsgHook);
		hGetMsgHook = NULL;
	}

	if (hDialogMsgHook != NULL)
	{
		unHooked = unHooked && UnhookWindowsHookEx(hDialogMsgHook);
		hDialogMsgHook = NULL;
	}

	// If we managed to unhook then reset
	if (unHooked)
	{
		vnc_thread_id = 0;
		HookMaster = FALSE;
	}

	return unHooked;

}
Exemple #4
0
DllExport BOOL SetHook(HWND hWnd, UINT UpdateMsg, UINT CopyMsg, UINT MouseMsg, UINT WndMsg)
{

	// Don't add the hook if the window ID is NULL
	if (hWnd == NULL)
		return FALSE;
	
	// Don't add a hook if there is already one added
	if (hVeneto != NULL)
		return FALSE;

    // check only window change message ?
    m_wndonly = (UpdateMsg == NULL && CopyMsg == NULL && MouseMsg == NULL);

	// Add the CallWnd hook
	hCallWndHook = SetWindowsHookEx(
					WH_CALLWNDPROC,					// Hook in before msg reaches app
					(HOOKPROC) CallWndProc,			// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
//					GetCurrentThreadId()			// DEBUG : HOOK ONLY WinVNC
					);

    if (!m_wndonly) {
        // Add the GetMessage hook
        hGetMsgHook = SetWindowsHookEx(
					WH_GETMESSAGE,					// Hook in before msg reaches app
					(HOOKPROC) GetMessageProc,			// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
//					GetCurrentThreadId()			// DEBUG : HOOK ONLY WinVNC
					);

		// Add the GetMessage hook
        hDialogMsgHook = SetWindowsHookEx(
					WH_SYSMSGFILTER,				// Hook in dialogs, menus and scrollbars
					(HOOKPROC) DialogMessageProc,	// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
					);
    }

	// Check that it worked
	if ((m_wndonly && (hCallWndHook != NULL)) ||
        ((hCallWndHook != NULL) && (hGetMsgHook != NULL) && (hDialogMsgHook != NULL)))
	{
		hVeneto = hWnd;						// Save the WinRFB window handle
		UpdateRectMessage = UpdateMsg;		// Save the message ID to use for rectangle updates
		CopyRectMessage = CopyMsg;			// Save the message ID to use for copyrect
		MouseMoveMessage = MouseMsg;		// Save the message ID to send when mouse moves
		WndChangeMessage = WndMsg;			// Save the message ID to send when window created/closed
		HookMaster = TRUE;					// Set the HookMaster flag for this instance
		
#ifdef _MSC_VER
		_RPT1(_CRT_WARN, "Window : %d\n", hWnd);
#endif
		
		return TRUE;
	}
	else
	{
		// Stop the keyboard hook
		SetKeyboardFilterHook(FALSE);
		SetMouseFilterHook(FALSE);

		// Kill the main hooks
		if (hCallWndHook != NULL)
			UnhookWindowsHookEx(hCallWndHook);
		if (hGetMsgHook != NULL)
			UnhookWindowsHookEx(hGetMsgHook);
		if (hDialogMsgHook != NULL)
			UnhookWindowsHookEx(hDialogMsgHook);
		hCallWndHook = NULL;
		hGetMsgHook = NULL;
		hDialogMsgHook = NULL;
	}

	// The hook failed, so return an error code
	return FALSE;

}
Exemple #5
0
DllExport BOOL SetHooks(DWORD thread_id, UINT UpdateMsg, UINT CopyMsg, UINT MouseMsg,BOOL ddihook)
{

	// Don't add the hook if the thread id is NULL
	if (!thread_id)
		return FALSE;
	m_ddihook=ddihook;
	
	// Don't add a hook if there is already one added
	if (vnc_thread_id)
		return FALSE;
	// Add the CallWnd hook
	hCallWndHook = SetWindowsHookEx(
					WH_CALLWNDPROC,					// Hook in before msg reaches app
					(HOOKPROC) CallWndProc,			// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
//					GetCurrentThreadId()			// DEBUG : HOOK ONLY WinVNC
					);

	// Add the GetMessage hook
	hGetMsgHook = SetWindowsHookEx(
					WH_GETMESSAGE,					// Hook in before msg reaches app
					(HOOKPROC) GetMessageProc,			// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
//					GetCurrentThreadId()			// DEBUG : HOOK ONLY WinVNC
					);

		// Add the GetMessage hook
	hDialogMsgHook = SetWindowsHookEx(
					WH_SYSMSGFILTER,				// Hook in dialogs, menus and scrollbars
					(HOOKPROC) DialogMessageProc,	// Hook procedure
					hInstance,						// This DLL instance
					0L								// Hook in to all apps
					);

	// Check that it worked
	if ((hCallWndHook != NULL) && (hGetMsgHook != NULL) && (hDialogMsgHook != NULL))
	{
		vnc_thread_id = thread_id;			// Save the WinVNC thread id
		UpdateRectMessage = UpdateMsg;		// Save the message ID to use for rectangle updates
		CopyRectMessage = CopyMsg;			// Save the message ID to use for copyrect
		MouseMoveMessage = MouseMsg;		// Save the message ID to send when mouse moves
		HookMaster = TRUE;					// Set the HookMaster flag for this instance
		return TRUE;
	}
	else
	{
		// Stop the keyboard hook
		SetKeyboardFilterHook(FALSE);
		SetMouseFilterHook(FALSE);

		// Kill the main hooks
		if (hCallWndHook != NULL)
			UnhookWindowsHookEx(hCallWndHook);
		if (hGetMsgHook != NULL)
			UnhookWindowsHookEx(hGetMsgHook);
		if (hDialogMsgHook != NULL)
			UnhookWindowsHookEx(hDialogMsgHook);
		hCallWndHook = NULL;
		hGetMsgHook = NULL;
		hDialogMsgHook = NULL;
	}
	if (ddihook)
	{
		if (hCallWndHook != NULL)
			UnhookWindowsHookEx(hCallWndHook);
		if (hDialogMsgHook != NULL)
			UnhookWindowsHookEx(hDialogMsgHook);
		hCallWndHook = NULL;
		hDialogMsgHook = NULL;
	}
	// The hook failed, so return an error code
	return FALSE;

}