Windows服务编写（Windows Service，system权限）程序显示界面与用户交互（xp，win7通用）

class CTestServiceModule : public CAtlServiceModuleT< CTestServiceModule, IDS_SERVICENAME >
{
public :
DECLARE_LIBID(LIBID_TestServiceLib )
DECLARE_REGISTRY_APPID_RESOURCEID (IDR_TESTSERVICE, "{1FF78006-B225-4CC0-A7DE-E0C9D31C9937}" )
HRESULT InitializeSecurity () throw()
{
// TODO : 调用CoInitializeSecurity 并为服务提供适当的
// 安全设置
// 建议- PKT 级别的身份验证、
// RPC_C_IMP_LEVEL_IDENTIFY 的模拟级别
// 以及适当的非NULL 安全说明符。
return S_OK ;
}
//重写这个函数来启动任务啦
HRESULT Run (int nShowCmd = SW_HIDE ) throw()
{
HRESULT hr = S_OK;
hr = __super ::PreMessageLoop( nShowCmd);
if (hr == S_OK)
{
if (m_bService )
{
//需要定义#define _ATL_NO_COM_SUPPORT才能启动服务时走到这里
//可以在这里启动线程，或者什么其他东西来做自己的工作的啦
//这里是什么都没有做了，只输出一条信息
LogEvent(_T ("widebright 的服务启动咯，呵呵 "));
SetServiceStatus(SERVICE_RUNNING );
}
//进入消息循环，不停的处理消息，可能最后分发到 Handler去处理，调用了OnShutdown等函数的。
__super::RunMessageLoop ();
}
if (SUCCEEDED (hr))
{
hr = __super ::PostMessageLoop();
}
//可以在适当的时候调用Uninstall函数来卸载掉服务
//__super::Uninstall();
return hr ;
}
//重写，服务退出处理
void OnShutdown () throw()
{
LogEvent(_T ("TestService 的服务退出咯，一点都不好玩呵呵 "));
}
};
CTestServiceModule _AtlModule;

//
extern "C" int WINAPI _tWinMain (HINSTANCE , HINSTANCE ,
LPTSTR , int nShowCmd)
{
return _AtlModule .WinMain( nShowCmd);
}

//for xp system
DWORD _stdcall LaunchAppIntoSession0( LPTSTR lpCommand )
{
////////////////////////////////////////////system show dlg////////////////////
HDESK hdeskCurrent ;
HDESK hdesk ;
HWINSTA hwinstaCurrent ;
HWINSTA hwinsta ;
hwinstaCurrent = GetProcessWindowStation ();
if (hwinstaCurrent == NULL)
{
return FALSE ;
}
hdeskCurrent = GetThreadDesktop (GetCurrentThreadId());
if (hdeskCurrent == NULL){
return FALSE ;
}
//打开winsta0
//打开winsta0
hwinsta = OpenWindowStation (L"Winsta0" , FALSE, WINSTA_ALL_ACCESS);
// WINSTA_ACCESSCLIPBOARD|
// WINSTA_ACCESSGLOBALATOMS |
// WINSTA_ENUMDESKTOPS |
// WINSTA_CREATEDESKTOP |
// WINSTA_CREATEDESKTOP |
// WINSTA_ENUMERATE |
// WINSTA_EXITWINDOWS |
// WINSTA_READATTRIBUTES |
// WINSTA_READSCREEN |
// WINSTA_WRITEATTRIBUTES);
if (hwinsta == NULL){
return FALSE ;
}
if (!SetProcessWindowStation (hwinsta))
{
return FALSE ;
}
//打开desktop
hdesk = OpenDesktop (L"default" , 0, FALSE,
DESKTOP_CREATEMENU |
DESKTOP_CREATEWINDOW |
DESKTOP_ENUMERATE|
DESKTOP_HOOKCONTROL|
DESKTOP_JOURNALPLAYBACK |
DESKTOP_JOURNALRECORD |
DESKTOP_READOBJECTS |
DESKTOP_SWITCHDESKTOP |
DESKTOP_WRITEOBJECTS);
if (hdesk == NULL){
return FALSE ;
}
SetThreadDesktop(hdesk );
////////////////////////////////////////////end of system show dlg////////////////////

STARTUPINFO si = { sizeof( si) }; 
SECURITY_ATTRIBUTES saProcess , saThread; 
PROCESS_INFORMATION piProcessB , piProcessC; 

// Prepare to spawn Process B from Process A. 
// The handle identifying the new process 
// object should be inheritable. 
saProcess.nLength = sizeof( saProcess); 
saProcess.lpSecurityDescriptor = NULL; 
saProcess.bInheritHandle = TRUE; 


// The handle identifying the new thread 
// object should NOT be inheritable. 
saThread.nLength = sizeof( saThread);
saThread.lpSecurityDescriptor = NULL;
saThread.bInheritHandle = FALSE; 


CreateProcess(NULL , lpCommand, & saProcess, &saThread , 
FALSE, 0, NULL , NULL, & si, &piProcessB ); 

if (!SetProcessWindowStation (hwinstaCurrent))
return FALSE ;
if (!SetThreadDesktop (hdeskCurrent))
return FALSE ;
if (!CloseWindowStation (hwinsta))
return FALSE ;
if (!CloseDesktop (hdesk))
return FALSE ;
return TRUE ;
}

//for win7
DWORD _stdcall LaunchAppIntoDifferentSession( LPTSTR lpCommand )
{
DWORD dwRet = 0;
PROCESS_INFORMATION pi ;
STARTUPINFO si ;
DWORD dwSessionId ;
HANDLE hUserToken = NULL;
HANDLE hUserTokenDup = NULL;
HANDLE hPToken = NULL;
HANDLE hProcess = NULL;
DWORD dwCreationFlags ;
HMODULE hInstKernel32 = NULL;
typedef DWORD (WINAPI * WTSGetActiveConsoleSessionIdPROC)();
WTSGetActiveConsoleSessionIdPROC WTSGetActiveConsoleSessionId = NULL;
hInstKernel32 = LoadLibrary (L"Kernel32.dll" );
if (!hInstKernel32 ) 
{
return FALSE ;
}
OutputDebugString(L "LaunchAppIntoDifferentSession 1n" );
WTSGetActiveConsoleSessionId = (WTSGetActiveConsoleSessionIdPROC )GetProcAddress( hInstKernel32,"WTSGetActiveConsoleSessionId" );
// Log the client on to the local computer.
dwSessionId = WTSGetActiveConsoleSessionId ();
do
{
WTSQueryUserToken( dwSessionId ,&hUserToken );
dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE;
ZeroMemory( &si , sizeof( STARTUPINFO ) );
si.cb = sizeof( STARTUPINFO );
si.lpDesktop = L"winsta0\default" ;
ZeroMemory( &pi , sizeof( pi) );
TOKEN_PRIVILEGES tp ;
LUID luid ;
if( !::OpenProcessToken ( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY
| TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY | TOKEN_ADJUST_SESSIONID
| TOKEN_READ | TOKEN_WRITE , &hPToken ) )
{
dwRet = GetLastError ();
break;
}
else;
if ( !LookupPrivilegeValue ( NULL, SE_DEBUG_NAME, &luid ) )
{
dwRet = GetLastError ();
break;
}
else;
tp.PrivilegeCount =1;
tp.Privileges [0].Luid = luid;
tp.Privileges [0].Attributes = SE_PRIVILEGE_ENABLED;
if( !DuplicateTokenEx ( hPToken, MAXIMUM_ALLOWED, NULL , SecurityIdentification , TokenPrimary, & hUserTokenDup ) )
{
dwRet = GetLastError ();
break;
}
else;
//Adjust Token privilege
if( !SetTokenInformation ( hUserTokenDup,TokenSessionId ,(void*)& dwSessionId,sizeof (DWORD) ) )
{
dwRet = GetLastError ();
break;
}
else;
if( !AdjustTokenPrivileges ( hUserTokenDup, FALSE, &tp , sizeof(TOKEN_PRIVILEGES ), (PTOKEN_PRIVILEGES) NULL, NULL ) )
{
dwRet = GetLastError ();
break;
}
else;
LPVOID pEnv =NULL;
if( CreateEnvironmentBlock ( &pEnv, hUserTokenDup, TRUE ) )
{
dwCreationFlags|=CREATE_UNICODE_ENVIRONMENT ;
}
else pEnv =NULL;
// Launch the process in the client's logon session.
if( CreateProcessAsUser ( hUserTokenDup, // client's access token
NULL, // file to execute
lpCommand, // command line
NULL, // pointer to process SECURITY_ATTRIBUTES
NULL, // pointer to thread SECURITY_ATTRIBUTES
FALSE, // handles are not inheritable
dwCreationFlags,// creation flags
pEnv, // pointer to new environment block
NULL, // name of current directory
& si, // pointer to STARTUPINFO structure
& pi // receives information about new process
) )
{
}
else
{
dwRet = GetLastError ();
break;
}
}
while( 0 );
//Perform All the Close Handles task
if( NULL != hUserToken )
{
CloseHandle( hUserToken );
}
else;
if( NULL != hUserTokenDup)
{
CloseHandle( hUserTokenDup );
}
else;
if( NULL != hPToken )
{
CloseHandle( hPToken );
}
else;
return dwRet ;
}