Ну, есть какой-то очень старый код (около 20 лет или около того, не от меня, а найденный в дикой, дикой сети и в C, а не на C #), который должен дать вам представление о том, как выполнять работу:
enum enEnvironmentType
{
ENVTYPE_UNKNOWN,
ENVTYPE_STANDARD,
ENVTYPE_SERVICE_WITH_INTERACTION,
ENVTYPE_SERVICE_WITHOUT_INTERACTION,
ENVTYPE_IIS_ASP,
};
enEnvironmentType GetEnvironmentType(void)
{
HANDLE hProcessToken = NULL;
DWORD groupLength = 300;
PTOKEN_GROUPS groupInfo = NULL;
SID_IDENTIFIER_AUTHORITY siaNt = SECURITY_NT_AUTHORITY;
PSID pInteractiveSid = NULL;
PSID pServiceSid = NULL;
DWORD dwRet = NO_ERROR;
DWORD ndx;
BOOL m_isInteractive = FALSE;
BOOL m_isService = FALSE;
// open the token
if (!::OpenProcessToken(::GetCurrentProcess(),TOKEN_QUERY,&hProcessToken))
{
dwRet = ::GetLastError();
goto closedown;
}
// allocate a buffer of default size
groupInfo = (PTOKEN_GROUPS)::LocalAlloc(0, groupLength);
if (groupInfo == NULL)
{
dwRet = ::GetLastError();
goto closedown;
}
// try to get the info
if (!::GetTokenInformation(hProcessToken, TokenGroups,
groupInfo, groupLength, &groupLength))
{
// if buffer was too small, allocate to proper size, otherwise error
if (::GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
dwRet = ::GetLastError();
goto closedown;
}
::LocalFree(groupInfo);
groupInfo = (PTOKEN_GROUPS)::LocalAlloc(0, groupLength);
if (groupInfo == NULL)
{
dwRet = ::GetLastError();
goto closedown;
}
if (!GetTokenInformation(hProcessToken, TokenGroups,
groupInfo, groupLength, &groupLength))
{
dwRet = ::GetLastError();
goto closedown;
}
}
//
// We now know the groups associated with this token. We want
// to look to see if the interactive group is active in the
// token, and if so, we know that this is an interactive process.
//
// We also look for the "service" SID, and if it's present,
// we know we're a service.
//
// The service SID will be present iff the service is running in a
// user account (and was invoked by the service controller).
//
// create comparison sids
if (!AllocateAndInitializeSid(&siaNt,
1,
SECURITY_INTERACTIVE_RID,
0, 0, 0, 0, 0, 0, 0,
&pInteractiveSid))
{
dwRet = ::GetLastError();
goto closedown;
}
if (!AllocateAndInitializeSid(&siaNt,
1,
SECURITY_SERVICE_RID,
0, 0, 0, 0, 0, 0, 0,
&pServiceSid))
{
dwRet = ::GetLastError();
goto closedown;
}
// try to match sids
for (ndx = 0; ndx < groupInfo->GroupCount ; ndx += 1)
{
SID_AND_ATTRIBUTES sanda = groupInfo->Groups[ndx];
PSID pSid = sanda.Sid;
//
// Check to see if the group we're looking at is one of
// the two groups we're interested in.
//
if (::EqualSid(pSid, pInteractiveSid))
{
//
// This process has the Interactive SID in its
// token. This means that the process is running as
// a console process
//
m_isInteractive = TRUE;
m_isService = FALSE;
break;
}
else if (::EqualSid(pSid, pServiceSid))
{
//
// This process has the Service SID in its
// token. This means that the process is running as
// a service running in a user account ( not local system ).
//
m_isService = TRUE;
m_isInteractive = FALSE;
break;
}
}
if ( !( m_isService || m_isInteractive ) )
{
//
// Neither Interactive or Service was present in the current
// users token, This implies that the process is running as
// a service, most likely running as LocalSystem.
//
m_isService = TRUE;
}
closedown:
if ( pServiceSid )
::FreeSid( pServiceSid );
if ( pInteractiveSid )
::FreeSid( pInteractiveSid );
if ( groupInfo )
::LocalFree( groupInfo );
if ( hProcessToken )
::CloseHandle( hProcessToken );
if (dwRet == NO_ERROR)
{
if (m_isService)
return(m_isInteractive ? ENVTYPE_SERVICE_WITH_INTERACTION : ENVTYPE_SERVICE_WITHOUT_INTERACTION);
return(ENVTYPE_STANDARD);
}
else
return(ENVTYPE_UNKNOWN);
}