Having thought I got to the bottom of extended DN behaviour, I've come across more challenges, that I would like thoughts on. Handling renames of one-way links: OpenLDAP already does this, but Samba needs some help here (as we try to infer the rename from the presence of backlinks, but for one-way links, how should we know we are being linked to?) Handling of DN+Binary and DN+String one-way links. For example, wellKnownObjects: B:32:22b70c67d56e4efb91e9300fca3dc1aa:CN=ForeignSecurityPrincipals,DC=samba,DC=org This is a 'DN+Binary' syntax attribute (for resolving well known GUIDs into a DN), and must therefore follow when the well known target renames. MS-ADTS 220.127.116.11.6 specifies the behaviour. The challenge I see here is that I really do need an additional syntax in OpenLDAP. If I map this to just a binary string (as I do now), then the rename will not follow though. If I map it to a DN (as I had tried in the past), then the syntax is invalid. Is it entirely unreasonable to add an additional syntax? This is a bit of a 'hit and run' question, as I won't be able to carry on the discussion during Christmas/New Year, but any thoughts would be most welcome. Thanks, Andrew Bartlett -- Andrew Bartlett http://samba.org/~abartlet/ Authentication Developer, Samba Team http://samba.org Samba Developer, Red Hat Inc.
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