Red Hat DIRECTORY SERVER 8.0, Руководство администратора

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Chapter 9. Extending the Directory Schema
312
Field Description
mailto:iana@iana.org
, or visit the
IANA website at
http://www.iana.org/
.
Object Classes Lists all of the standard and user-defined object
classes in the Directory Server schema.
Required Attributes Contains a list of attributes that must be present
in entries that use this object class, including
inherited attributes.
Allowed Attributes Contains a list of attributes that may be present
in entries that use this object class, including
inherited attributes.
Table 9.2. Object Classes Tab Reference
9.3.2. Creating Object Classes
A new object class must be created with a unique name, a parent object, and required and optional
attributes. To create an object class, do the following:
1. In the Directory Server Console, select the
Configuration
tab.
2. In the navigation tree, select the
Schema
folder, and then select the
Object Classes
tab in the
right pane.
3. In the
Object Classes
list, select the object class.
4. Click
Create
in the
Object Classes
tab.
The
Create Object Class
dialog box opens.
5. Enter a unique name for the object class in the
Name
text box.
6. Enter an object identifier for the new object class in the
OID (Optional)
text box.
OIDs are described in
Table 9.2, “Object Classes Tab Reference”
.
7. Select a parent object for the object class from the
Parent
drop-down menu.
Any existing object class can be the parent of the new object class. See
Table 9.2, “Object
Classes Tab Reference”
for more information on parent object classes.
8. To add an attribute that must
be present in entries that use the new object class, highlight the
attribute in the
Available Attributes
list, and then click the
Add
button to the left of the
Required
Attributes
box.
Both standard attributes and user-defined are allowed. For information on creating custom
attributes, see
Section 9.2.2, “Creating Attributes”
.
9. To add an attribute that may optionally be present in entries that use the new object class,
highlight the attribute in the
Available Attributes
list, and then click the
Add
button to the left of
the
Allowed Attributes
box.