Security Identifier (SID) to User Identifier (uid) ResolutionSyste

Nicolas Williams Nicolas.Williams at
Fri Dec 31 16:38:32 GMT 1999

On Fri, 31 Dec 1999, Luke Kenneth Casson Leighton (lkcl at wrote:
> On Fri, 31 Dec 1999, Claus Färber wrote: 
> > Luke Kenneth Casson Leighton <lkcl at> schrieb/wrote: 
> > > claus, this is so that native NT file access is validated against what is 
> > > ultimately unix file permissions, 
> > 
> > But the file access is validated by the file system SAMBA accesses, not 
> > the NT machine. 
> *sigh*. 
> > The translation is only necessary for NT tools that show and manipulate 
> > NT ACLs to be able to handle SAMBA shares. 
> you sure? 

Yes. The whole uid/gid<->sid mapping thing, in so far as Samba (the
fileserver) is concerned is a cosmetic issue. The current approach works
fine, but hides to the NT user the fact that his/her Unix account is
equivalent to his/her NT account for that user (if it actually is).

That said, PAM_NTDOM needs SURS and the usermap feature of Samba could
be implemented with SURS and if you bother to do all that in the first
place then you might as well apply SURS to the uid/gid<->sid mapping
that Samba fileservers do.

That's all.

> [been through this, sorry claus, i'm bored of this thread :)] 

No kidding. So am I. I bet we all are. :|


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