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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- WMShatter.cxx
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <rfb_win32/WMShatter.h>
#include <rfb/LogWriter.h>
using namespace rfb;
using namespace rfb::win32;
static LogWriter vlog("WMShatter");
bool
rfb::win32::IsSafeWM(HWND window, UINT msg, WPARAM wParam, LPARAM lParam) {
bool result = true;
switch (msg) {
// - UNSAFE MESSAGES
case WM_TIMER:
result = lParam == 0;
break;
};
if (!result) {
vlog.info("IsSafeWM: 0x%p received 0x%x(%I64u, %I64u) - not safe",
window, msg, (long long)wParam, (long long)lParam);
}
return result;
}
LRESULT
rfb::win32::SafeDefWindowProc(HWND window, UINT msg, WPARAM wParam, LPARAM lParam) {
if (IsSafeWM(window, msg, wParam, lParam))
return DefWindowProc(window, msg, wParam, lParam);
return 0;
}
LRESULT
rfb::win32::SafeDispatchMessage(const MSG* msg) {
if (IsSafeWM(msg->hwnd, msg->message, msg->wParam, msg->lParam))
return DispatchMessage(msg);
return 0;
}
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