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Re: (ITS#6823) unknown attrs in pcache attrsets may be useful

masarati@aero.polimi.it wrote:
> Full_Name: Pierangelo Masarati
> Version: HEAD/re24
> OS: irrelevant
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (
> Submitted by: ando
> Currently attributes in pcache attrsets must be defined.  As far as I recall
> this was introduced to catch misconfigurations (e.g. a typo would have silently
> resulted in erroneous caching).  However, one may wish to cache attrs whose
> schema is not known.  I've modified pcache to allow undef:attrname in attrsets,
> so the administrator needs to know what he's doing.  The "undef:" is stripped
> during parsing, but slapd will not complain and the administrator.

I think this is a mistake. Anything slapd handles must have a defined schema. 
Probably the recent patches for back-ldap to support undefined filters are 
also a mistake. We have already documented that schema must be provided in 
order to get proper functioning of e.g. back-ldap. There is no reason to relax 
this requirement since one can always obtain the relevant schema from the 
target server.

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