[c++] Win32API를 이용한 ExitWindowsEx 사용한 예제코드

#if !defined(AFX_PWRTEST_H__149C02D0_B545_4699_A4A5_DFDB719EFBFB__INCLUDED_)
#define AFX_PWRTEST_H__149C02D0_B545_4699_A4A5_DFDB719EFBFB__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "resource.h"

/////////////// Jiseok
int PowerOff();
int Reboot();
int GetWinVersion(OSVERSIONINFO* windowsversion);
int DoPowerOff(OSVERSIONINFO* windowsversion);
int DoReboot(OSVERSIONINFO* windowsversion);
int AquirePrivileges(OSVERSIONINFO* windowsversion);
////////////// end Jiseok

#endif 
//!defined(AFX_PWRTEST_H__149C02D0_B545_4699_A4A5_DFDB719EFBFB__INCLUDED_)

// PwrTest.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "PwrTest.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

// The one and only application object
//

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
    int nRetCode = 0;

    // initialize MFC and print and error on failure
    if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
    {
        // TODO: change error code to suit your needs
        cerr << _T("Fatal Error: MFC initialization failed") << endl;
        nRetCode = 1;
    }
    else
    {
        // TODO: code your application's behavior here.

        //if (PowerOff()!=0)
        if (Reboot()!=0)
            return 1;

        CString strHello;
        strHello.LoadString(IDS_HELLO);
        cout << (LPCTSTR)strHello << endl;
    }

    return nRetCode;
}

int PowerOff()
{
    OSVERSIONINFO Version;

    if (GetWinVersion(&Version)!=0)
        return -1;
    if (DoPowerOff(&Version)!=0)
        return -1;
    return 0;
}

int Reboot()
{
    OSVERSIONINFO Version;

    if (GetWinVersion(&Version)!=0)
        return -1;
    if (DoReboot(&Version)!=0)
        return -1;
    return 0;
}

int GetWinVersion(OSVERSIONINFO* windowsversion)
{
    windowsversion->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
    if (!GetVersionEx(windowsversion))
    {
        printf("Error! getting version info");
        return -1;
    }
    return 0;
}

int DoPowerOff(OSVERSIONINFO* windowsversion)
{
    UINT mode;

    if (windowsversion->dwPlatformId==VER_PLATFORM_WIN32_WINDOWS)
        mode=EWX_SHUTDOWN;
    else
        mode=EWX_POWEROFF;

    if (windowsversion->dwPlatformId==VER_PLATFORM_WIN32_NT)
        {
        // privilege 얻기
        if (AquirePrivileges(windowsversion)!=0)
        {
            return -1;
        }//if 
    }// if
  
    if (!ExitWindowsEx(mode,0))    // 끄기
    {
        printf("error ExitWindowsEx");
        return -1;
    }
    return 0;
}

      
int DoReboot(OSVERSIONINFO* windowsversion)
{
    UINT mode;

    mode=EWX_REBOOT;

    if (windowsversion->dwPlatformId==VER_PLATFORM_WIN32_NT)
        {
        // privilege 얻기
        if (AquirePrivileges(windowsversion)!=0)
        {
            return -1;
        }//if 
    }// if
  
    if (!ExitWindowsEx(mode,0))    // 끄기
    {
        printf("error ExitWindowsEx");
        return -1;
    }
    return 0;
}

int AquirePrivileges(OSVERSIONINFO* windowsversion)
{
    HANDLE current_thread,token;
    TOKEN_PRIVILEGES privs;
    LUID luid;

    current_thread=GetCurrentProcess();
    if (!OpenProcessToken(current_thread,TOKEN_ADJUST_PRIVILEGES,&token))
    {
        printf("Error! opening process token");
        return -1;
    }
    if (!LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&luid))
    {
        printf("Error! looking up privilege");
        return -1;
    }
    privs.PrivilegeCount=1;
    privs.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
    privs.Privileges[0].Luid=luid;
    if (!AdjustTokenPrivileges(token,FALSE,&privs,0,NULL,NULL))
    {
        printf("Error! getting privileges");
        return -1;
    }
    return 0;
}