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NAME | SYNOPSIS | DESCRIPTION | CONFIGURATION | FILES | BACKWARD COMPATIBILITY | SEE ALSO | ACKNOWLEDGEMENTS | COLOPHON |
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SLAPO-MEMBEROF(5) File Formats Manual SLAPO-MEMBEROF(5)
slapo-memberof - Reverse Group Membership overlay to slapd
ETCDIR/slapd.conf
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.
Note that the dynlist overlay can also provide this functionality
and may be suitable for less demanding environments.
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 memberof overlay.
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 overlay. It defaults to memberOf.
memberof-dn <dn>
The value <dn> contains the DN that is used as
modifiersName for internal modifications performed 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.
memberof-addcheck {true|FALSE}
This option determines whether the overlay will check
newly added entries for membership in any existing groups.
This check is useful if populated groups are created in
the directory before the entries they reference. The
situation often occurs during replication, which may
replicate entries in random order. If set to TRUE, every
Add operation will search for groups referencing the added
entry and populate its memberof attribute with the group
DNs. Note that memberof-dangling must be left on its
default setting of ignore for this option to work.
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. The maintenance operations it
performs are internal to the server on which the overlay is
configured and are never replicated. Consumer servers should be
configured with their own instances of the memberOf overlay if it
is desired to maintain these memberOf attributes on the
consumers. Consumers must also be configured to exclude the
memberof attribute from replication. (See the exattr option in
the consumer configuration.)
ETCDIR/slapd.conf
default slapd configuration file
The memberof overlay has been reworked with the 2.5 release to
use a consistent namespace as with other overlays. As a side-
effect the following cn=config parameters are deprecated and will
be removed in a future release: olcMemberOf is replaced with
olcMemberOfConfig
slapo-dynlist(5), slapd.conf(5), slapd-config(5), slapd(8). The
slapo-memberof(5) overlay supports dynamic configuration via
back-config.
This module was written in 2005 by Pierangelo Masarati for SysNet
s.n.c.
This page is part of the OpenLDAP (an open source implementation
of the Lightweight Directory Access Protocol) project.
Information about the project can be found at
⟨http://www.openldap.org/⟩. If you have a bug report for this
manual page, see ⟨http://www.openldap.org/its/⟩. This page was
obtained from the project's upstream Git repository
⟨https://git.openldap.org/openldap/openldap.git⟩ on 2024-06-14.
(At that time, the date of the most recent commit that was found
in the repository was 2024-06-13.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
OpenLDAP LDVERSION RELEASEDATE SLAPO-MEMBEROF(5)
Pages that refer to this page: slapd.overlays(5), slapo-dynlist(5), slapo-memberof(5), slapo-nestgroup(5)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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