GetCurrentUserSid

BOOL GetCurrentUserSid(std::string& strSID)

{

 CCommonFunc func;

 DWORD dwProcessID = func.GetProcessIDFromName("explorer.exe");

 if( 0 == dwProcessID )

 {

  return FALSE;

 }

#ifndef _RELEASE_WIN9X

 HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessID);

 if( hProc == NULL )

 {

  return FALSE;

 }

 HANDLE hToken;

 if( !OpenProcessToken(hProc, TOKEN_QUERY, &hToken) )

 {

  CloseHandle(hProc);

  return FALSE;

 }

 CloseHandle(hProc);

 BOOL bRet = FALSE;

 TOKEN_USER *pTokenUser;

 DWORD Len;

 char* pBuffer = NULL;

 if( !GetTokenInformation(hToken, TokenUser, NULL, 0, &Len) )

 {

  if( GetLastError() ==  ERROR_INSUFFICIENT_BUFFER )

  {

   pBuffer = new char[Len];

   if( !GetTokenInformation(hToken,TokenUser, pBuffer, Len, &Len) )

   {

    delete pBuffer;

    CloseHandle(hToken);

    return FALSE;

   }

  }

  else

  {

   CloseHandle(hToken);

   return FALSE;

  }

 }


 pTokenUser = (TOKEN_USER*)pBuffer;

 char *szStringSID;

 if( FALSE == ConvertSidToStringSid(pTokenUser->User.Sid, &szStringSID) )

 {

  CloseHandle(hToken);

  return FALSE;

 }

 else

 {

  strSID = szStringSID;

  //std::string strTemp = szStringSID;

  LocalFree(szStringSID);

  //strSID = strTemp;

 }

 CloseHandle(hToken);


#endif _RELEASE_WIN9X

 return TRUE;

}