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SLAPO-MEMBEROF(5) SLAPO-MEMBEROF(5)
NAME
slapo-memberof - Reverse Group Membership overlay to slapd
SYNOPSIS
/etc/openldap/slapd.conf
DESCRIPTION
The memberof overlay to slapd(8) allows automatic reverse group membership maintenance. Any time a
group entry is modified, its members are modified as appropriate in order to keep a DN-valued "is
member of" attribute updated with the DN of the group.
CONFIGURATION
The config directives that are specific to the memberof overlay must be prefixed by memberof-, to
avoid potential conflicts with directives specific to the underlying database or to other stacked
overlays.
overlay memberof
This directive adds the memberof overlay to the current database; see slapd.conf(5) for
details.
The following slapd.conf configuration options are defined for the memberofoverlay.
memberof-group-oc <group-oc>
The value <group-oc> is the name of the objectClass that triggers the reverse group membership
update. It defaults to groupOfNames.
memberof-member-ad <member-ad>
The value <member-ad> is the name of the attribute that contains the names of the members in
the group objects; it must be DN-valued. It defaults to member.
memberof-memberof-ad <memberof-ad>
The value <memberof-ad> is the name of the attribute that contains the names of the groups an
entry is member of; it must be DN-valued. Its contents are automatically updated by the over-lay. overlay.
lay. It defaults to memberOf.
memberof-dn <dn>
The value <dn> contains the DN that is used as modifiersName for internal modifications per-formed performed
formed to update the reverse group membership. It defaults to the rootdn of the underlying
database.
memberof-dangling {ignore, drop, error}
This option determines the behavior of the overlay when, during a modification, it encounters
dangling references. The default is ignore, which may leave dangling references. Other
options are drop, which discards those modifications that would result in dangling references,
and error, which causes modifications that would result in dangling references to fail.
memberof-dangling-error <error-code>
If memberof-dangling is set to error, this configuration parameter can be used to modify the
response code returned in case of violation. It defaults to "constraint violation", but other
implementations are known to return "no such object" instead.
memberof-refint {true|FALSE}
This option determines whether the overlay will try to preserve referential integrity or not.
If set to TRUE, when an entry containing values of the "is member of" attribute is modified,
the corresponding groups are modified as well.
The memberof overlay may be used with any backend that provides full read-write functionality, but it
is mainly intended for use with local storage backends.
FILES
/etc/openldap/slapd.conf
default slapd configuration file
SEE ALSO
slapd.conf(5), slapd(8). The slapo-memberof(5) overlay supports dynamic configuration via back-con-fig. back-config.
fig.
ACKNOWLEDGEMENTS
This module was written in 2005 by Pierangelo Masarati for SysNet s.n.c.
OpenLDAP 2.4.11 2008/07/16 SLAPO-MEMBEROF(5)
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