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Contents of README:autogroup overlay Readme DESCRIPTION The autogroup overlay allows automated updates of group memberships which meet the requirements of any filter contained in the group definition. The filters are built from LDAP URI-valued attributes. Any time an object is added/deleted/updated, it is tested for compliance with the filters, and its membership is accordingly updated. For searches and compares it behaves like a static group. If the attribute part of the URI is filled, the group entry is populated by the values of this attribute in the entries resulting from the search. BUILDING A Makefile is included. CONFIGURATION # dyngroup.schema: The dyngroup schema must be modified, adding the 'member' attribute to the MAY clause of the groupOfURLs object class, i.e.: objectClass ( NetscapeLDAPobjectClass:33 NAME 'groupOfURLs' SUP top STRUCTURAL MUST cn MAY ( memberURL $ businessCategory $ description $ o $ ou $ owner $ seeAlso $ member) ) # slapd.conf: moduleload /path/to/autogroup.so Loads the overlay (OpenLDAP must be built with --enable-modules). overlay autogroup This directive adds the autogroup overlay to the current database. autogroup-attrset <group-oc> <URL-ad> <member-ad> This configuration option is defined for the autogroup overlay. It may have multiple occurrences, and it must appear after the overlay directive. The value <group-oc> is the name of the objectClass that represents the group. The value <URL-ad> is the name of the attributeDescription that contains the URI that is converted to the filters. If no URI is present, there will be no members in that group. It must be a subtype of labeledURI. The value <member-ad> is the name of the attributeDescription that specifies the member attribute. User modification of this attribute is disabled for consistency. autogroup-memberof-ad <memberof-ad> This configuration option is defined for the autogroup overlay. It defines the attribute that is used by the memberOf overlay to store the names of groups that an entry is member of; it must be DN-valued. It should be set to the same value as memberof-memberof-ad. It defaults to 'memberOf'. EXAMPLE ### slapd.conf include /path/to/dyngroup.schema # ... moduleload /path/to/autogroup.so # ... database <database> # ... overlay autogroup autogroup-attrset groupOfURLs memberURL member ### end slapd.conf ### slapd.conf include /path/to/dyngroup.schema # ... moduleload /path/to/autogroup.so moduleload /path/to/memberof.so # ... database <database> #... overlay memberof memberof-memberof-ad foo overlay autogroup autogroup-attrset groupOfURLs memberURL member autogroup-memberof-ad foo ### end slapd.conf CAVEATS As with static groups, update operations on groups with a large number of members may be slow. If the attribute part of the URI is specified, modify and delete operations are more difficult to handle. In these cases the overlay will try to detect if groups have been modified and then simply refresh them. This can cause performance hits if the search specified by the URI deals with a significant number of entries. ACKNOWLEDGEMENTS This module was originally written in 2007 by Michał Szulczyński. Further enhancements were contributed by Howard Chu, Raphael Ouazana, Norbert Pueschel, and Christian Manal. --- Copyright 1998-2021 The OpenLDAP Foundation. Portions Copyright (C) 2007 Michał Szulczyński. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted only as authorized by the OpenLDAP Public License. A copy of this license is available in file LICENSE in the top-level directory of the distribution or, alternatively, at http://www.OpenLDAP.org/license.html. |
Name Last modified Size
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CVS/ 17-Dec-2022 22:27 -
Makefile 15-Aug-2021 05:01 1.0K
README 15-Aug-2021 05:01 4.0K
autogroup.c 15-Aug-2021 05:01 62K
slapo-autogroup.5 15-Aug-2021 05:01 4.0K
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