Re: [exim] LDAP connection caching problem?

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Autor: John Dalbec
Data:  
Para: exim-users
Asunto: Re: [exim] LDAP connection caching problem?
John Dalbec wrote:

> Exim 4.50, 4.52:
> routing seems to work OK, but the delivery process (in some cases) can't
> seem to
> talk to LDAP. The search should return no results. OpenLDAP 2.0.x
> library, Novell eDirectory 8.7.3.4 server.
>
> exim -d -M ... yields:
>
> after ldap_url_parse: host=... port=636
> re-using cached connection to LDAP server ...:636
> Start search
> search ended by ldap_result yielding -1
> ldap_result failed
> ldap_result failed: 81, Can't contact LDAP server
> lookup deferred: ldap_result failed: 81, Can't contact LDAP server
> condition check lookup defer
>
> Any thoughts?
> TIA,
> John


By post-hoc reasoning I worked out that a new address rewriting rule I had added
seemed to be tickling the problem.

^([a-z]+).([0-9]+)@((?:...)ysu\\.edu)\$ "\
         ${lookup ldap\
         {user=... \
         pass=... \
         ldaps:///...?uid?sub?(uid=${quote_ldap:$1$2})}\
         {$1$2@$3}fail}"         Eh


We plan to convert our dotted local parts to undotted local parts. This rule is
intended to make sure the dotted addresses keep working after we change the
local parts in LDAP. We won't necessarily be able to change them all at once so
we have to check the directory to see whether the correct local part is dotted
or undotted.

Does anyone see a problem with this rule?
Thanks,
John