Re: krb_match_realm patch

Added to TODO:
       o Allow Kerberos to disable stripping of realms so we can         check the username@realm against multiple
realms
         http://archives.postgresql.org/pgsql-hackers/2007-11/msg00009.php


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Magnus Hagander wrote:
> Stephen Frost wrote:
> > Greetings,
> > 
> >   Regarding Magnus' patch for matching against the Kerberos realm- I'd
> >   see it as much more useful as a multi-value configuration option.
> >   Perhaps 'krb_alt_realms' or 'krb_realms'.  This would look like:
> > 
> >   Match against one, and only one, realm (does not have to be the realm
> >   the server is in, that's dealt with seperately):
> >   krb_realms = 'ABC.COM'
> > 
> >   Don't worry about the realm ever:
> >   krb_realms = '' # default, to match current krb5
> > 
> >   Match against multiple realms:
> >   krb_realms = 'ABC.COM, DEF.ABC.COM'
> > 
> >   Note that using multiple realms implies either no overlap, or that
> >   overlap means the same person.
> >   
> >   Additionally, I feel we should have an explicit 'krb_strip_realm'
> >   boolean option to enable this behaviour.  If 'krb_strip_realm' is
> >   'false' then the full user@REALM would be used.  This would mean that
> >   more complex cross-realm could also be handled by creating users with
> >   user@REALM and then just roles when a given user exists in multiple
> >   realms.
> >   
> >   I understand that we're in beta now but both of these are isolated and
> >   rather small changes, I believe.  Also, Magnus has indicated that he'd
> >   be willing to adjust his patch accordingly if this is agreed to
> >   (please correct me if I'm wrong here :).
> 
> I've committed the patch as it was without this, because that's still
> better than what we have now.
> 
> Just for the record, I've indicated that I'm willing to add the
> multi-realm match part of that, but I'm not sure we want to dig into the
> "krb_strip_realm" stuff this late in the cycle. At least unless someone
> can confirm that we won't have issues *elswhere* from passing in very
> long usernames in what I believe is not entirely specified formats.
> 
> I will try to work on the multi-realm stuff next week, unless someone
> wants to beat me to it...
> 
> //Magnus
> 
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--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
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