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289 lines
9.8 KiB
C++
289 lines
9.8 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- VNC Server 4.0 for Windows (WinVNC4)
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#include <string.h>
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#include <winvnc/VNCServerWin32.h>
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#include <winvnc/VNCServerService.h>
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#include <winvnc/AddNewClientDialog.h>
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#include <rfb/Logger_stdio.h>
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#include <rfb/Logger_file.h>
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#include <rfb/LogWriter.h>
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#include <rfb_win32/AboutDialog.h>
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#include <rfb_win32/MsgBox.h>
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#include <network/TcpSocket.h>
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using namespace winvnc;
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using namespace rfb;
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using namespace win32;
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static LogWriter vlog("main");
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TStr rfb::win32::AppName("KasmVNC Server");
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extern bool runAsService;
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static bool runServer = true;
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static bool close_console = false;
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//
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// -=- processParams
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// Read in the command-line parameters and interpret them.
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//
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static void programInfo() {
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win32::FileVersionInfo inf;
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_tprintf(_T("%s - %s, Version %s\n"),
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inf.getVerString(_T("ProductName")),
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inf.getVerString(_T("FileDescription")),
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inf.getVerString(_T("FileVersion")));
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printf("%s\n", buildTime);
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_tprintf(_T("%s\n\n"), inf.getVerString(_T("LegalCopyright")));
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}
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static void programUsage() {
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printf("Command-line options:\n");
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printf(" -connect [<host[::port]>] - Connect an existing WinVNC server to a listening viewer.\n");
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printf(" -disconnect - Disconnect all clients from an existing WinVNC server.\n");
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printf(" -register <options...> - Register WinVNC server as a system service.\n");
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printf(" -unregister - Remove WinVNC server from the list of system services.\n");
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printf(" -start - Start the WinVNC server system service.\n");
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printf(" -stop - Stop the WinVNC server system service.\n");
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printf(" -status - Query the WinVNC service status.\n");
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printf(" -help - Provide usage information.\n");
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printf(" -noconsole - Run without a console (i.e. no stderr/stdout)\n");
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printf(" <setting>=<value> - Set the named configuration parameter.\n");
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printf(" (Parameter values specified on the command-line override those specified by other configuration methods.)\n");
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printf("\nLog names:\n");
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LogWriter::listLogWriters();
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printf("\nLog destinations:\n");
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Logger::listLoggers();
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printf("\nAvailable configuration parameters:\n");
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Configuration::listParams(79, 14);
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}
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static void MsgBoxOrLog(const char* msg, bool isError=false) {
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if (close_console) {
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MsgBox(0, TStr(msg), (isError ? MB_ICONERROR : MB_ICONINFORMATION) | MB_OK);
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} else {
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if (isError) {
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try {
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vlog.error("%s", msg);
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return;
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} catch (...) {
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}
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}
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fprintf(stderr, "%s\n", msg);
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}
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}
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static void processParams(int argc, char** argv) {
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for (int i=1; i<argc; i++) {
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try {
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if (strcasecmp(argv[i], "-connect") == 0) {
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runServer = false;
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CharArray host;
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if (i+1 < argc) {
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host.buf = strDup(argv[i+1]);
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i++;
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} else {
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AddNewClientDialog ancd;
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if (ancd.showDialog())
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host.buf = strDup(ancd.getHostName());
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}
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if (host.buf) {
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HWND hwnd = FindWindow(0, _T("winvnc::IPC_Interface"));
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if (!hwnd)
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throw rdr::Exception("Unable to locate existing VNC Server.");
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COPYDATASTRUCT copyData;
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copyData.dwData = 1; // *** AddNewClient
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copyData.cbData = strlen(host.buf);
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copyData.lpData = (void*)host.buf;
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printf("Sending connect request to VNC Server...\n");
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if (!SendMessage(hwnd, WM_COPYDATA, 0, (LPARAM)©Data))
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MsgBoxOrLog("Connection failed.", true);
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}
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} else if (strcasecmp(argv[i], "-disconnect") == 0) {
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runServer = false;
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HWND hwnd = FindWindow(0, _T("winvnc::IPC_Interface"));
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if (!hwnd)
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throw rdr::Exception("Unable to locate existing VNC Server.");
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COPYDATASTRUCT copyData;
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copyData.dwData = 2; // *** DisconnectClients
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copyData.lpData = 0;
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copyData.cbData = 0;
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printf("Sending disconnect request to VNC Server...\n");
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if (!SendMessage(hwnd, WM_COPYDATA, 0, (LPARAM)©Data))
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MsgBoxOrLog("Failed to disconnect clients.", true);
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} else if (strcasecmp(argv[i], "-start") == 0) {
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printf("Attempting to start service...\n");
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runServer = false;
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if (rfb::win32::startService(VNCServerService::Name))
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MsgBoxOrLog("Started service successfully");
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} else if (strcasecmp(argv[i], "-stop") == 0) {
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printf("Attempting to stop service...\n");
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runServer = false;
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if (rfb::win32::stopService(VNCServerService::Name))
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MsgBoxOrLog("Stopped service successfully");
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} else if (strcasecmp(argv[i], "-status") == 0) {
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printf("Querying service status...\n");
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runServer = false;
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CharArray result;
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DWORD state = rfb::win32::getServiceState(VNCServerService::Name);
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result.format("The %s Service is in the %s state.",
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(const char*)CStr(VNCServerService::Name),
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rfb::win32::serviceStateName(state));
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MsgBoxOrLog(result.buf);
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} else if (strcasecmp(argv[i], "-service") == 0) {
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printf("Run in service mode\n");
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runServer = false;
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runAsService = true;
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} else if (strcasecmp(argv[i], "-service_run") == 0) {
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printf("Run in service mode\n");
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runAsService = true;
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} else if (strcasecmp(argv[i], "-register") == 0) {
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printf("Attempting to register service...\n");
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runServer = false;
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int j = i;
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i = argc;
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// Try to clean up earlier services we've had
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try {
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rfb::win32::unregisterService("WinVNC4");
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} catch (rdr::SystemException&) {
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// Do nothing as we might fail simply because there was no
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// service to remove
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}
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try {
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rfb::win32::unregisterService("KasmVNC Server");
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} catch (rdr::SystemException&) {
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}
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if (rfb::win32::registerService(VNCServerService::Name,
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_T("KasmVNC Server"),
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_T("Provides remote access to this machine via the VNC/RFB protocol."),
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argc-(j+1), &argv[j+1]))
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MsgBoxOrLog("Registered service successfully");
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} else if (strcasecmp(argv[i], "-unregister") == 0) {
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printf("Attempting to unregister service...\n");
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runServer = false;
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if (rfb::win32::unregisterService(VNCServerService::Name))
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MsgBoxOrLog("Unregistered service successfully");
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} else if (strcasecmp(argv[i], "-noconsole") == 0) {
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close_console = true;
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vlog.info("closing console");
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if (!FreeConsole())
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vlog.info("unable to close console:%lu", GetLastError());
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} else if ((strcasecmp(argv[i], "-help") == 0) ||
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(strcasecmp(argv[i], "--help") == 0) ||
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(strcasecmp(argv[i], "-h") == 0) ||
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(strcasecmp(argv[i], "/?") == 0)) {
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runServer = false;
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programUsage();
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break;
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} else {
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// Try to process <option>=<value>, or -<bool>
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if (Configuration::setParam(argv[i], true))
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continue;
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// Try to process -<option> <value>
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if ((argv[i][0] == '-') && (i+1 < argc)) {
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if (Configuration::setParam(&argv[i][1], argv[i+1], true)) {
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i++;
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continue;
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}
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}
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// Nope. Show them usage and don't run the server
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runServer = false;
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programUsage();
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break;
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}
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} catch (rdr::Exception& e) {
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MsgBoxOrLog(e.str(), true);
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}
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}
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}
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//
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// -=- main
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//
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int WINAPI WinMain(HINSTANCE inst, HINSTANCE prevInst, char* cmdLine, int cmdShow) {
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int result = 0;
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try {
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// - Initialise the available loggers
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//freopen("\\\\drupe\\tjr\\WinVNC4.log","ab",stderr);
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#ifdef _DEBUG
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AllocConsole();
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freopen("CONIN$", "rb", stdin);
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freopen("CONOUT$", "wb", stdout);
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freopen("CONOUT$", "wb", stderr);
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setbuf(stderr, 0);
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initStdIOLoggers();
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initFileLogger("C:\\temp\\WinVNC4.log");
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logParams.setParam("*:stderr:100");
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#else
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initFileLogger("C:\\temp\\WinVNC4.log");
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logParams.setParam("*:stderr:0");
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#endif
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rfb::win32::initEventLogLogger(VNCServerService::Name);
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Configuration::enableServerParams();
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// - By default, just log errors to stderr
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// - Print program details and process the command line
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programInfo();
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int argc = __argc;
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char **argv = __argv;
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processParams(argc, argv);
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// - Run the server if required
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if (runServer) {
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// Start the network subsystem and run the server
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VNCServerWin32 server;
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result = server.run();
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} else if (runAsService) {
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VNCServerService service;
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service.start();
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result = service.getStatus().dwWin32ExitCode;
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}
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vlog.debug("WinVNC service destroyed");
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} catch (rdr::Exception& e) {
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MsgBoxOrLog(e.str(), true);
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}
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vlog.debug("WinVNC process quitting");
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return result;
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}
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