dcomlaunch.c File Reference

#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winreg.h>
#include <winsvc.h>
#include <debug.h>

Include dependency graph for dcomlaunch.c:

Go to the source code of this file.

Macros
#define	WIN32_NO_STATUS
#define	_INC_WINDOWS
#define	COM_NO_WINDOWS_H
#define	NDEBUG

Functions
static VOID	UpdateServiceStatus (DWORD dwState)
static DWORD WINAPI	ServiceControlHandler (DWORD dwControl, DWORD dwEventType, LPVOID lpEventData, LPVOID lpContext)
VOID	DealWithDeviceEvent ()
VOID WINAPI	ServiceMain (DWORD argc, LPTSTR *argv)
BOOL WINAPI	DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)

Variables
static WCHAR	ServiceName [] = L"dcomlaunch"
static SERVICE_STATUS_HANDLE	ServiceStatusHandle
static SERVICE_STATUS	ServiceStatus
static HANDLE	ShutdownEvent

Macro Definition Documentation

_INC_WINDOWS

#define _INC_WINDOWS

Definition at line 11 of file dcomlaunch.c.

COM_NO_WINDOWS_H

#define COM_NO_WINDOWS_H

Definition at line 12 of file dcomlaunch.c.

NDEBUG

#define NDEBUG

Definition at line 19 of file dcomlaunch.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 10 of file dcomlaunch.c.

Function Documentation

DealWithDeviceEvent()

VOID DealWithDeviceEvent

(

)

Referenced by ServiceMain().

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinstDLL,
		DWORD	fdwReason,
		LPVOID	lpvReserved
	)

Definition at line 130 of file dcomlaunch.c.

{
    switch (fdwReason)
    {
        case DLL_PROCESS_ATTACH:
            DisableThreadLibraryCalls(hinstDLL);
            break;
 
        case DLL_PROCESS_DETACH:
            break;
    }
 
    return TRUE;
}

ServiceControlHandler()

static DWORD WINAPI ServiceControlHandler ( DWORD  dwControl, DWORD  dwEventType, LPVOID  lpEventData, LPVOID  lpContext  )

static

Definition at line 55 of file dcomlaunch.c.

{
    DPRINT1("ServiceControlHandler() called\n");
 
    switch (dwControl)
    {
        case SERVICE_CONTROL_STOP:
            DPRINT1("  SERVICE_CONTROL_STOP received\n");
            SetEvent(ShutdownEvent);
            UpdateServiceStatus(SERVICE_STOP_PENDING);
            return ERROR_SUCCESS;
 
        case SERVICE_CONTROL_PAUSE:
            DPRINT1("  SERVICE_CONTROL_PAUSE received\n");
            UpdateServiceStatus(SERVICE_PAUSED);
            return ERROR_SUCCESS;
 
        case SERVICE_CONTROL_CONTINUE:
            DPRINT1("  SERVICE_CONTROL_CONTINUE received\n");
            UpdateServiceStatus(SERVICE_RUNNING);
            return ERROR_SUCCESS;
 
        case SERVICE_CONTROL_INTERROGATE:
            DPRINT1("  SERVICE_CONTROL_INTERROGATE received\n");
            SetServiceStatus(ServiceStatusHandle,
                             &ServiceStatus);
            return ERROR_SUCCESS;
 
        case SERVICE_CONTROL_SHUTDOWN:
            DPRINT1("  SERVICE_CONTROL_SHUTDOWN received\n");
            SetEvent(ShutdownEvent);
            UpdateServiceStatus(SERVICE_STOP_PENDING);
            return ERROR_SUCCESS;
 
        default :
            DPRINT1("  Control %lu received\n", dwControl);
            return ERROR_CALL_NOT_IMPLEMENTED;
    }
}

Referenced by ServiceMain().

ServiceMain()

VOID WINAPI ServiceMain	(	DWORD	argc,
		LPTSTR *	argv
	)

Definition at line 101 of file dcomlaunch.c.

{
    UNREFERENCED_PARAMETER(argc);
    UNREFERENCED_PARAMETER(argv);
 
    DPRINT("ServiceMain() called\n");
 
    ServiceStatusHandle = RegisterServiceCtrlHandlerExW(ServiceName,
                                                        ServiceControlHandler,
                                                        NULL);
    if (!ServiceStatusHandle)
    {
        DPRINT1("RegisterServiceCtrlHandlerExW() failed! (Error %lu)\n", GetLastError());
        return;
    }
 
    ShutdownEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
 
    DealWithDeviceEvent();
 
    UpdateServiceStatus(SERVICE_RUNNING);
 
    WaitForSingleObject(ShutdownEvent, INFINITE);
    CloseHandle(ShutdownEvent);
 
    UpdateServiceStatus(SERVICE_STOPPED);
}

UpdateServiceStatus()

static VOID UpdateServiceStatus ( DWORD  dwState )

static

Definition at line 33 of file dcomlaunch.c.

{
    ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
    ServiceStatus.dwCurrentState = dwState;
    ServiceStatus.dwControlsAccepted = 0;
    ServiceStatus.dwWin32ExitCode = 0;
    ServiceStatus.dwServiceSpecificExitCode = 0;
    ServiceStatus.dwCheckPoint = 0;
 
    if (dwState == SERVICE_START_PENDING ||
        dwState == SERVICE_STOP_PENDING ||
        dwState == SERVICE_PAUSE_PENDING ||
        dwState == SERVICE_CONTINUE_PENDING)
        ServiceStatus.dwWaitHint = 10000;
    else
        ServiceStatus.dwWaitHint = 0;
 
    SetServiceStatus(ServiceStatusHandle,
                     &ServiceStatus);
}

Referenced by ServiceControlHandler(), and ServiceMain().

Variable Documentation

ServiceName

WCHAR ServiceName[] = L"dcomlaunch"

static

Definition at line 24 of file dcomlaunch.c.

Referenced by ServiceMain().

ServiceStatus

SERVICE_STATUS ServiceStatus

static

Definition at line 27 of file dcomlaunch.c.

Referenced by ServiceControlHandler(), and UpdateServiceStatus().

ServiceStatusHandle

SERVICE_STATUS_HANDLE ServiceStatusHandle

static

Definition at line 26 of file dcomlaunch.c.

Referenced by ServiceControlHandler(), ServiceMain(), and UpdateServiceStatus().

ShutdownEvent

HANDLE ShutdownEvent

static

Definition at line 28 of file dcomlaunch.c.

Referenced by RawInputThreadMain(), ServiceControlHandler(), and ServiceMain().