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Subject DO NOT REPLY [Bug 49199] New: Implement LDAP scope-aware caching in mod_ldap
Date Tue, 27 Apr 2010 17:16:24 GMT

           Summary: Implement LDAP scope-aware caching in mod_ldap
           Product: Apache httpd-2
           Version: 2.3-HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: RFC
          Severity: enhancement
          Priority: P2
         Component: mod_ldap

+++ This bug was initially created as a clone of Bug #49193 +++

The current LDAP cache implemented for httpd's mod_ldap only does exact matches
based on LDAP URL and filter expression.  An intelligent caching mechanism
would respect basedn and scope of a given LDAP search.  Essentially we need the
caching to implement the behavior of an RFC-compliant "mini-LDAP server."

Please enhance mod_ldap's cache implementation to the extent necessary to
support "scope-aware" caching, specifically:

1) the current implementation works for exact matches of both search expression
and basedn, this is equivalent to "basedn scoped" searches.
2) onelevel cache searches would include case 1 and also any cache entries with
no more than one additional DN entry.
3) subtree-scoped cache searches; would include both case 1, case 2, and any
deeper matches.

Based on Mr. Covener's comment on #49193, I've created this independent
enhancement request directly against httpd, without noting dependency on

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