Win7下VC编程设置冬眠（需要开放【SE_SHUTDOWN_NAME】权限）

本文链接：https://blog.youkuaiyun.com/dijkstar/article/details/8944187

本文介绍了一个C/C++函数SetPrivilege，该函数用于在Windows系统中启用或禁用进程令牌的特定特权。通过使用LookupPrivilegeValue和AdjustTokenPrivileges函数，此功能能够使应用程序获得足够的权限来执行如关闭计算机等高权限操作。

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BOOL SetPrivilege(
				  HANDLE hToken,          // access token handle
				  LPCTSTR lpszPrivilege,  // name of privilege to enable/disable
				  BOOL bEnablePrivilege   // to enable or disable privilege
				  ) 
{
	TOKEN_PRIVILEGES tp;
	LUID luid;
	
	if ( !LookupPrivilegeValue( 
		NULL,            // lookup privilege on local system
		lpszPrivilege,   // privilege to lookup 
		&luid ) )        // receives LUID of privilege
	{
		printf("LookupPrivilegeValue error: %u\n", GetLastError() ); 
		return FALSE; 
	}
	
	tp.PrivilegeCount = 1;
	tp.Privileges[0].Luid = luid;
	if (bEnablePrivilege)
		tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
	else
		tp.Privileges[0].Attributes = 0;
	
	// Enable the privilege or disable all privileges.
	
	if ( !AdjustTokenPrivileges(
		hToken, 
		FALSE, 
		&tp, 
		sizeof(TOKEN_PRIVILEGES), 
		(PTOKEN_PRIVILEGES) NULL, 
		(PDWORD) NULL) )
	{ 
		printf("AdjustTokenPrivileges error: %u\n", GetLastError() ); 
		return FALSE; 
	} 
	
	if (GetLastError() == ERROR_NOT_ALL_ASSIGNED)
		
	{
		printf("The token does not have the specified privilege. \n");
		return FALSE;
	} 
	
	return TRUE;
}

//
// 设置【SE_SHUTDOWN_NAME】权限
//
void CTestDlg::OnButton1() 
{
	if(::MessageBox(NULL, "是否确认?", "询问", MB_ICONQUESTION|MB_YESNO) == IDNO)
		return;


	HANDLE hToken;
	BOOL bRet = OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hToken);
	bRet = SetPrivilege(hToken, SE_SHUTDOWN_NAME, TRUE);
	if (!bRet)
	{
		AfxMessageBox("权限设置错误");
	}


	SetSystemPowerState(
		FALSE,	//为FASLE时悬挂；为TRUE时冬眠
		FALSE	//
		);

}