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void __stdcall ServiceMain( int argc, wchar_t* argv[] )
{
//DebugBreak();
char svcname[256];
strncpy(svcname, (char*)argv[0], sizeof svcname); //it's should be unicode, but if it's ansi we do it well
wcstombs(svcname, argv[0], sizeof svcname);
OutputString("SvcHostDLL: ServiceMain(%d, %s) called", argc, svcname);
hSrv = RegisterServiceCtrlHandler( svcname, (LPHANDLER_FUNCTION)ServiceHandler );
if( hSrv == NULL )
{
OutputString("SvcHostDLL: RegisterServiceCtrlHandler %S failed", argv[0]);
return;
}else FreeConsole();
TellSCM( SERVICE_START_PENDING, 0, 1 );
TellSCM( SERVICE_RUNNING, 0, 0 );
// call Real Service function noew
if(argc > 1)
strncpy(svcname, (char*)argv[1], sizeof svcname),
wcstombs(svcname, argv[1], sizeof svcname);
RealService(argc > 1 ? svcname : MY_EXECUTE_NAME, argc > 2 ? 1 : 0);
do{
Sleep(10);//not quit until receive stop command, otherwise the service will stop
}while(dwCurrState != SERVICE_STOP_PENDING && dwCurrState != SERVICE_STOPPED);
OutputString("SvcHostDLL: ServiceMain done");
return;
}
int TellSCM( DWORD dwState, DWORD dwExitCode, DWORD dwProgress )
{
SERVICE_STATUS srvStatus;
srvStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
srvStatus.dwCurrentState = dwCurrState = dwState;
srvStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE | SERVICE_ACCEPT_SHUTDOWN;
srvStatus.dwWin32ExitCode = dwExitCode;
srvStatus.dwServiceSpecificExitCode = 0;
srvStatus.dwCheckPoint = dwProgress;
srvStatus.dwWaitHint = 3000;
return SetServiceStatus( hSrv, &srvStatus );
}
void __stdcall ServiceHandler( DWORD dwCommand )
{
// not really necessary because the service stops quickly
switch( dwCommand )
{
case SERVICE_CONTROL_STOP:
TellSCM( SERVICE_STOP_PENDING, 0, 1 );
OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_STOP");
Sleep(10);
TellSCM( SERVICE_STOPPED, 0, 0 );
break;
case SERVICE_CONTROL_PAUSE:
TellSCM( SERVICE_PAUSE_PENDING, 0, 1 );
OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_PAUSE");
TellSCM( SERVICE_PAUSED, 0, 0 );
break;
case SERVICE_CONTROL_CONTINUE:
TellSCM( SERVICE_CONTINUE_PENDING, 0, 1 );
OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_CONTINUE");
TellSCM( SERVICE_RUNNING, 0, 0 );
break;
case SERVICE_CONTROL_INTERROGATE:
OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_INTERROGATE");
TellSCM( dwCurrState, 0, 0 );
break;
case SERVICE_CONTROL_SHUTDOWN:
OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_SHUTDOWN");
TellSCM( SERVICE_STOPPED, 0, 0 );
break;
}
}
//RealService just create a process
int RealService(char *cmd, int bInteract)
{
OutputString("SvcHostDLL: RealService called '%s' %s", cmd, bInteract ? "Interact" : "");
STARTUPINFO si = {0};
PROCESS_INFORMATION pi;
si.cb = sizeof si;
if(bInteract) si.lpDesktop = "WinSta0\\Default";
if(!CreateProcess(NULL, cmd, NULL, NULL, false, 0, NULL, NULL, &si, &pi))
OutputString("SvcHostDLL: CreateProcess(%s) error:%d", cmd, GetLastError());
else OutputString("SvcHostDLL: CreateProcess(%s) to %d", cmd, pi.dwProcessId);
return 0;
}
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