Open Source Software

slapo-refint(5)



NAME

   slapo-refint - Referential Integrity overlay to slapd

SYNOPSIS

   /etc/ldap/slapd.conf

DESCRIPTION

   The  Referential  Integrity overlay can be used with a backend database
   such as slapd-bdb(5) to maintain the cohesiveness  of  a  schema  which
   utilizes reference attributes.

   Integrity  is maintained by updating database records which contain the
   named attributes to match the results of a modrdn or delete  operation.
   For  example,  if  the  integrity attribute were configured as manager,
   deletion of the record  "uid=robert,ou=people,dc=example,dc=com"  would
   trigger  a  search for all other records which have a manager attribute
   containing that DN. Entries  matching  that  search  would  have  their
   manager   attribute   removed.   Or,  renaming  the  same  record  into
   "uid=george,ou=people,dc=example,dc=com" would trigger a search for all
   other  records  which  have  a  manager  attribute  containing that DN.
   Entries matching that search would have their manager attribute deleted
   and replaced by the new DN.

   rootdn must be set for the database.  refint runs as the rootdn to gain
   access to make its updates.  rootpw is not needed.

CONFIGURATION

   These slapd.conf options apply to the  Referential  Integrity  overlay.
   They should appear after the overlay directive.

   refint_attributes <attribute> [...]
          Specify  one  or  more  attributes  for  which integrity will be
          maintained as described above.

   refint_nothing <string>
          Specify an arbitrary value to be used as a placeholder when  the
          last  value  would  otherwise be deleted from an attribute. This
          can be useful in cases where the schema requires  the  existence
          of an attribute for which referential integrity is enforced. The
          attempted deletion of a required attribute will otherwise result
          in  an Object Class Violation, causing the request to fail.  The
          string must be a valid DN.

   refint_modifiersname <DN>
          Specify the DN to be used as the modifiersName of  the  internal
          modifications   performed   by  the  overlay.   It  defaults  to
          "cn=Referential Integrity Overlay".

   Modifications performed by  this  overlay  are  not  propagated  during
   replication. This overlay must be configured identically on replication
   consumers in order to maintain full synchronization with the provider.

FILES

   /etc/ldap/slapd.conf
          default slapd configuration file

SEE ALSO

   slapd.conf(5), slapd-config(5).

ACKNOWLEDGEMENTS

   OpenLDAP Software is developed and maintained by The  OpenLDAP  Project
   <http://www.openldap.org/>.    OpenLDAP   Software   is   derived  from
   University of Michigan LDAP 3.3 Release.



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