[jcifs] Obtaining username to/from NT SID

eglass1 at attbi.com eglass1 at attbi.com
Wed Oct 30 23:19:42 EST 2002

Yeah, I kind of figured it wouldn't be trivial, but it 
doesn't hurt to ask.  Oh well.  I'm assuming a DCE/RPC 
implementation would be required to enumerate the NT 
group memberships as well?
> This needs DCE/RCP and LsarLookupSids or similar (p67 DCE/RPC over SMB)
> which we just don't support. We have up to TransactNamedPipe functions
> but it requires a PDU layer, some crypto, and a lot of patience. I just
> cannot bring myself to start doing it. Don't hold your breath.
> On Tue, 29 Oct 2002 12:54:28 +0000
> eglass1 at attbi.com wrote:
> > I'm currently working on a project where I have the need 
> > to match a user's NT SID to their username.  Previously, 
> > I was using a native call to LookupAccountSid with the 
> > SID to retrieve the username.  However, I was wondering 
> > if it would be possible via jCIFS to either do this or 
> > go the other way -- i.e., the user has authenticated via 
> > NTLM, and I want to retrieve the SID (using perhaps the 
> > NtlmPasswordAuthentication object?).  I essentially have 
> > 2 sources (one with the SID and one with a username), 
> > and I need to match them.  Anyone have any ideas?  
> > Ideally, I would like to do this in pure Java (I can 
> > already do it natively, but that ties me to a specific 
> > platform).
> > 
> > Eric
> -- 
> A  program should be written to model the concepts of the task it
> performs rather than the physical world or a process because this
> maximizes  the  potential  for it to be applied to tasks that are
> conceptually  similar and, more important, to tasks that have not
> yet been conceived. 

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