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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind

jonathan@phillipoux.net wrote:
> On 30/07/09 13:50, jonathan@phillipoux.net wrote:
>> Full_Name: Jonathan Clarke
>> Version: RE24
>> OS:
>> URL: ftp://ftp.openldap.org/incoming/jonathan-clarke-lastbind-20090730.tgz
>> Submission from: (NULL) (
>> Hi,
>> Please find, at the above URL, an overlay, built for OpenLDAP 2.4, that
>> intercepts successful binds and records the current timestamp in an attribute
>> named "bindTimestamp" in the bound-to entry. It's original use-case is to detect
>> unused accounts.
>> A configuration parameter (olcLastBindPrecision) allows to set a minimum
>> precision for the timestamp (ie, don't update the timestamp unless it's older
>> than<n>  seconds). This avoids a performance hit from many unnecessary writes in
>> case there are many binds per minute/hour/day/week/etc.
>> Of course, the behaviour this overlay implements is not described in any RFC, or
>> other. However, it closely resembles some of the functionality from the password
>> policy overlay, and similar functionality already exists in other LDAP servers.

There is an equivalent attribute defined in the latest ppolicy draft. Perhaps 
you could use that. Or just submit a patch to incorporate this feature into 
the current ppoloicy overlay.
>> I post it here in the hope that it may serve others, and in case the OpenLDAP
>> wishes to include it in one form or another. I would most appreciate any
>> comments or feedback.

   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/