121 lines
7.1 KiB
HTML
121 lines
7.1 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Directory Server (LDAP) - IBM Directory Server schema</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzahyibmschema"></a>
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<h3 id="rzahyibmschema">IBM Directory Server schema</h3>
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<p>The schema for the Directory Server is predefined, however, you can change
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the schema, if you have additional requirements. For more information about
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how to change the schema, see <a href="rzahymanschema.htm#rzahymanschema">Manage the schema</a>.</p>
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<p>The Directory Server includes dynamic schema support. The schema is published
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as part of the directory information, and is available in the Subschema entry
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(DN="cn=schema"). You can query the schema using the ldap_search() API and
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change it using ldap_modify(). See the "<a href="../apis/dirserv1.htm">Directory
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Server APIs</a>" topic for more information about these APIs.</p>
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<p>The schema has more configuration information than that included in the
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LDAP Version 3 Request For Comments (RFCs) or standard specifications. For
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example, for a given attribute, you can state which indexes must be maintained.
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This additional configuration information is maintained in the subschema entry
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as appropriate. An additional object class is defined for the subschema entry
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IBMsubschema, which has "MAY" attributes that hold the extended schema information.</p>
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<p>The Directory Server defines a single schema for the entire server, accessible
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through a special directory entry, "cn=schema". The entry contains all of
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the schema defined for the server. To retrieve schema information, you can
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perform an ldap_search by using the following:</p>
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<pre class="xmp"> DN: "cn=schema", search scope: base, filter: objectclass=subschema
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or objectclass=*</pre>
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<p>The schema provides values for the following attribute types:</p>
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<ul>
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<li>objectClasses (For more information about objectClasses, see <a href="rzahyobjectclass.htm#rzahyobjectclass">Object classes</a>.)</li>
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<li>attributeTypes (For more information about attributeTypes, see <a href="rzahyattributes.htm#rzahyattributes">Attributes</a>.)</li>
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<li>IBMAttributeTypes (For more information about IBMAttributeTypes, see <a href="rzahyibmattras.htm#rzahyibmattras">The IBMAttributeTypes attribute</a>.)</li>
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<li>matching rules (For more information about matching rules, see <a href="rzahymatchrules.htm#rzahymatchrules">Matching rules</a>).</li>
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<li>ldap syntaxes (For more information about ldap syntaxes, see <a href="rzahysyntax.htm#rzahysyntax">Attribute syntax</a>).</li></ul><p class="indatacontent">The syntax of these schema definitions is based on the LDAP Version 3
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RFCs.</p>
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<p>A sample schema entry might contain:</p>
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<pre class="xmp">objectclasses=( 1.3.6.1.4.1.1466.101.120.111
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NAME 'extensibleObject'
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SUP top AUXILIARY )
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objectclasses=( 2.5.20.1
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NAME 'subschema'
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AUXILIARY MAY
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( dITStructureRules
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$ nameForms
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$ ditContentRules
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$ objectClasses
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$ attributeTypes
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$ matchingRules
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$ matchingRuleUse ) )
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objectclasses=( 2.5.6.1
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NAME 'alias'
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SUP top STRUCTURAL
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MUST aliasedObjectName )
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attributeTypes=( 2.5.18.10
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NAME 'subschemaSubentry'
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EQUALITY distinguishedNameMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
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NO-USER-MODIFICATION
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SINGLE-VALUE USAGE directoryOperation )
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attributeTypes=( 2.5.21.5 NAME 'attributeTypes'
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EQUALITY objectIdentifierFirstComponentMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.3
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USAGE directoryOperation )
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attributeTypes=( 2.5.21.6 NAME 'objectClasses'
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EQUALITY objectIdentifierFirstComponentMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.37
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USAGE directoryOperation
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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USAGE directoryOperation )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.5 DESC 'Binary' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.7 DESC 'Boolean' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.12 DESC 'DN' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.15 DESC 'Directory String' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.24 DESC 'Generalized Time' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.26 DESC 'IA5 String' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.27 DESC 'INTEGER' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.50 DESC 'Telephone Number' )
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ldapSyntaxes=( 1.3.6.1.4.1.1466.115.121.1.53 DESC 'UTC Time' )
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matchingRules=( 2.5.13.2 NAME 'caseIgnoreMatch'
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )
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matchingRules=( 2.5.13.0 NAME 'objectIdentifierMatch'
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )
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matchingRules=( 2.5.13.30 NAME 'objectIdentifierFirstComponentMatch'
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )
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matchingRules=( 2.5.13.4 NAME 'caseIgnoreSubstringsMatch'
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.58 )
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</pre>
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<p>The schema information can be modified through the ldap_modify API. Consult
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the "<a href="../apis/dirserv1.htm">Directory Server APIs</a>" topic
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for additional information. With the DN "cn=schema" you can add, delete or
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replace an attribute type or an object class. See <a href="rzahydynamicschema.htm#rzahydynamicschema">Dynamic schema</a> and <a href="rzahymanschema.htm#rzahymanschema">Manage the schema</a> for more information. You also can provide a full
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description. You can add or replace a schema entry with the LDAP Version 3
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definition or with the IBM attribute extension definition or with both definitions.</p>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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