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Sun Directory Services 3.1 Administration Guide

Common Section

The Common section contains definitions of variables that apply to all the entries created using that table definition but not to the entire service or front-end. For example, the Common section typically contains the naming context under which the entries are created. The naming context is specified using the BASE_DN keyword.

BASE_DN

The BASE_DN keyword specifies the naming context under the entries are to be created. The dsimport utility looks for this parameter in several places, in the following order:

  1. Command line of dsimport, option -V

  2. Dynamic section

  3. Common section for the Table

  4. Common section for the Front-End (at the beginning of the mapping file)

MAP_NAME

The MAP_NAME keyword specifies the name of the NIS map corresponding to the table definition. This keyword is used to create administrative entries for the NIS service. The directory server maintains these entries automatically.

This keyword is used also to create the naming context for the NIS entries that are created by using the generic mapping definition.

The MAP_NAME keyword is specific to the NIS service.

PRIVATE_OBJECTCLASSES

The PRIVATE_OBJECTCLASSES keyword specifies an object class when the object class and attributes derived from a table definition do not make up a complete entry. This keyword is necessary for maintaining directory entries that are created from several table definitions. This can be the case when several table definitions each create an auxiliary object class and its associated attributes.

For example, in the NIS environment, network hosts can have entries in at least three files: /etc/bootparams, /etc/ethers, /etc/hosts. However, each host has just one entry in the LDAP directory, with the three auxiliary object classes bootableDevice, ieee802Device, and ipHost. If the entry for the host is deleted in one of these files, the corresponding entry in the LDAP directory must not be deleted but simply updated by removing the appropriate auxiliary object class, and any attributes specific to that object class.