[IPA] Samba storing extended DN in Fedora DS
abartlet at samba.org
Fri Oct 2 14:50:45 MDT 2009
On Fri, 2009-10-02 at 15:50 -0400, Endi Sukma Dewata wrote:
> The problem doesn't happen with the default TDB backend. The problem
> doesn't happen with OpenLDAP backend because OpenLDAP doesn't use this
> What should be the right behavior? Can a backlink work with just a
> regular DN?
> Should the linked_attributes be modified to use a regular DN? Or
> should the
> syntax be changed to something else? Thanks!
This is why linked attributes are a required feature for a good LDAP
backend. If you implement these correctly in the backend, then we won't
need to load this module. Similarly, if you implement the 'dereference'
control, then you don't need to store an extended DN at all - you make
it up at runtime.
(You may also determine it profitable to store extended DNs in your
backend, for the same performance and possibly correctness reasons that
Samba does - avoiding looking them up at runtime, but that's a separate
In the short term, I think, Fedora DS should try to emulate OpenLDAP's
current behaviour as closely as possible. (Which is why both have been
on a TODO for Fedora DS for a while).
I hope this helps,
Andrew Bartlett http://samba.org/~abartlet/
Authentication Developer, Samba Team http://samba.org
Samba Developer, Cisco Inc.
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