[Samba] NT/UNIX username mapping possible directly via tdbsam?

Craig White craigwhite at azapple.com
Mon Nov 28 22:54:53 GMT 2005

On Mon, 2005-11-28 at 09:46 +0100, Dominik Schuppli wrote:
> Hello everyone,
> I've been wondering if NT and UNIX username mapping can be done directly 
> via the SAM database instead of the 'username map = <filename>' option 
> in smb.conf.
> The problem with 'username map' files is that the mappings seem to work 
> only in one direction, namely from NT towards UNIX usernames. However, 
> I'd like to achieve a true, bi-directional one-to-one mapping, e.g. 
> between UNIX username 'root' and NT username 'Administrator'.
> The command 'pdbedit -Lv <username>' shows separate fields for both UNIX 
> and NT usernames. (I'm using the tdbsam backend, btw.) Will Samba 
> operate correctly if those entries contain different usernames?
> I've enhanced 'pdbedit' on my system so that it allows manipulation of 
> the 'NT username' field. Is this smart or stupid? I haven't yet had the 
> opportunity to try this in a working Samba environment. Maybe someone 
> has technical advice or knowledge on what I'm trying to do?
Install 'Services for Unix' on your Windows system so they can have the
benefit of mapping Unix users to Windows users...at least that's what it
seems that you are trying to do.


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