[PATCH] removal of pdb_context, fallback to RID 513 for primary group, cleanup of pdb_tdb.c

[Jeremy Allison]

On Sat, Feb 11, 2006 at 08:25:23AM -0600, Gerald (Jerry) Carter wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> 
> Cleanup and removal of the odb_context data structure.  This means
> that we will no longer support chaining passdb backends.  This patch
> also replaces the guest passdb backend with a simple internal creation
> of the guest SAM_ACCOUNT.

Please, please check this in ! I love all the '--' on the context
stuff :-) :-).

> primary_group.patch, domain_users
> =================================
> 
> Probably the more controversial portion of the patch.  Granted this
> was an experiment.  Given the results from testing against standalone
> Windows servers, the RID 513 always resolves.  This patch does 2 things.
> First ensures that this RID always resolves.  Secondly, it sets
> the primary group membership of a user to be S-1-5-....-513 if the
> currently assigned primary group cannot be successfully be mapped to
> a Unix gid.
> 
> 
> pdb_tdb.patch
> =============
> 
> Move tdbsam to a single TDB_CONTEXT* rather than open close on a per
> query basis.  Since a tdb can only be open once per process, the current
> method does not work with recursion.

Only problem with this is possibility for problems on crash/abnormal
termination. If we go this route we need to look seriously at the
transactional tdb code from Samba4, or add an idle event handler that
closes this db.

Jeremy.