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tech:ubuntu_ldap [13-Oct-2011 9:26am] – created iantech:ubuntu_ldap [13-Oct-2011 11:37am] (current) – Title update ian
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-====== Installing and Configuring OpenLDAP ======+====== OpenLDAP: Installation and Configuration  ======
 Often it is advantageous to have authentication, security and application settings centralised for ease of management.  Microsoft provide Active Directory for Windows users and through the use of [[http://www.openldap.org/|OpenLDAP]], we can duplicate this behaviour in a cross-platform and open-source way.  An [[wp>LDAP|LDAP]] directory can be used to provide single sign-on for Linux, Windows, OSX and web-based applications as well as network authentication via [[wp>RADIUS|RADIUS]]. Often it is advantageous to have authentication, security and application settings centralised for ease of management.  Microsoft provide Active Directory for Windows users and through the use of [[http://www.openldap.org/|OpenLDAP]], we can duplicate this behaviour in a cross-platform and open-source way.  An [[wp>LDAP|LDAP]] directory can be used to provide single sign-on for Linux, Windows, OSX and web-based applications as well as network authentication via [[wp>RADIUS|RADIUS]].
  
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 ===== Schema Creation ===== ===== Schema Creation =====
 A schema defines the objects and attributes in the LDAP database.  Depending on the applications we are going to hook into the directory, different schema files will be needed. A schema defines the objects and attributes in the LDAP database.  Depending on the applications we are going to hook into the directory, different schema files will be needed.
 +
 +<note important>LDIF files are sensitive to white space and may not import correctly if you simply copy and paste them from this page.  Please click on the header at the top of each file to download a copy in its original format instead.</note>
  
 Log on and become root: Log on and become root:
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 ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif
 ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/misc.ldif</code> ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/misc.ldif</code>
- 
-For each of the additional application schema definitions below, download the file to ''application.schema'' and then execute: 
- 
-<code>ldapadd -Y EXTERNAL -H ldapi:/// -f application.schema</code> 
- 
-If you would like to see which schema modifications are already loaded or verify that they have loaded correctly, type 
- 
-<code>ldapsearch -LLL -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config dn</code> 
  
 ==== Sudo via LDAP ==== ==== Sudo via LDAP ====
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  udoRunAs $ sudoRunAsUser $ sudoRunAsGroup $ sudoOption $ description ) )  udoRunAs $ sudoRunAsUser $ sudoRunAsGroup $ sudoOption $ description ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f sudo.ldif</code>
  
 ==== Password Policy ==== ==== Password Policy ====
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   $ pwdAllowUserChange $ pwdSafeModify ) )   $ pwdAllowUserChange $ pwdSafeModify ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f ppolicy.ldif</code>
  
 ==== Thunderbird Contacts ==== ==== Thunderbird Contacts ====
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  $ title ) )  $ title ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f mozillaAbPersonAlpha.ldif</code>
  
 ==== FreeRADIUS ==== ==== FreeRADIUS ====
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   top STRUCTURAL MUST cn MAY ( uid $ userPassword $ description ) )   top STRUCTURAL MUST cn MAY ( uid $ userPassword $ description ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f freeradius.ldif</code>
  
 ==== Pure FTP ==== ==== Pure FTP ====
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 To control [[http://www.pureftpd.org/|Pure-FTPd]] users, home directories, quotas, bandwidth, etc. via the directory, load the file below.  It was converted from the original, located in ''/usr/share/doc/pure-ftpd-common/pureftpd.schema'' on an Ubuntu system once the ''pure-ftpd-common'' package has been installed. To control [[http://www.pureftpd.org/|Pure-FTPd]] users, home directories, quotas, bandwidth, etc. via the directory, load the file below.  It was converted from the original, located in ''/usr/share/doc/pure-ftpd-common/pureftpd.schema'' on an Ubuntu system once the ''pure-ftpd-common'' package has been installed.
  
-<file ldif pureftpd.schema>+<file ldif pureftpd.ldif>
 dn: cn=pureftpd,cn=schema,cn=config dn: cn=pureftpd,cn=schema,cn=config
 objectClass: olcSchemaConfig objectClass: olcSchemaConfig
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   $ FTPUploadBandwidth $ FTPDownloadBandwidth $ FTPuid $ FTPgid ) )   $ FTPUploadBandwidth $ FTPDownloadBandwidth $ FTPuid $ FTPgid ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f pureftpd.ldif</code>
  
 ==== SAMBA v3 ==== ==== SAMBA v3 ====
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  n $ description ) )  n $ description ) )
 </file> </file>
 +
 +Apply the schema modifications with the following command:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f samba.ldif</code>
  
 ==== Apple OS X ==== ==== Apple OS X ====
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  otAfter ) )  otAfter ) )
 </file> </file>
 +
 +Apply the schema modifications with the following commands:
 +
 +<code>ldapadd -Y EXTERNAL -H ldapi:/// -f apple_auxillary.ldif
 +ldapadd -Y EXTERNAL -H ldapi:/// -f apple.ldif</code>
  
 ===== Configuration ===== ===== Configuration =====
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 <code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f example.com.ldif</code> <code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f example.com.ldif</code>
- 
-The above command can be used with the files below to add the required application functionality into the database. 
  
 ==== Sudo ==== ==== Sudo ====
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 sudoCommand: ALL sudoCommand: ALL
 </file> </file>
 +
 +To import this file we must use the following command and enter the directory administrator's password when prompted:
 +
 +<code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f sudo.apps.example.com.ldif</code>
  
 To improve the performance of sudoers lookups via LDAP, we must add an additional index: To improve the performance of sudoers lookups via LDAP, we must add an additional index:
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 pwdSafeModify: FALSE pwdSafeModify: FALSE
 </file> </file>
 +
 +To import this file we must use the following command and enter the directory administrator's password when prompted:
 +
 +<code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f policies.example.com.ldif</code>
  
 To load the password policy overlay and point it to the default policy, we must download the following file: To load the password policy overlay and point it to the default policy, we must download the following file:
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 uniquemember: uid=user1,ou=people,dc=example,dc=com uniquemember: uid=user1,ou=people,dc=example,dc=com
 </file> </file>
 +
 +To import this file we must use the following command and enter the directory administrator's password when prompted:
 +
 +<code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f mail.apps.example.com.ldif</code>
  
 To improve the performance of e-mail address lookups via LDAP, we must add an additional index: To improve the performance of e-mail address lookups via LDAP, we must add an additional index:
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 objectClass: apple-configuration objectClass: apple-configuration
 </file> </file>
 +
 +To import this file we must use the following command and enter the directory administrator's password when prompted:
 +
 +<code>ldapadd -x -D cn=admin,dc=example,dc=com -W -f macosx.example.com.ldif</code>
  
 ===== Security ===== ===== Security =====
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 Examine the tail of ''/var/log/syslog'' for any errors or warnings being reported by the ''slapd'' process. Examine the tail of ''/var/log/syslog'' for any errors or warnings being reported by the ''slapd'' process.
 +
 +If you would like to see which schema modifications have been loaded, type
 +
 +<code>ldapsearch -LLL -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config dn</code>
  
 ===== See Also ===== ===== See Also =====
   * [[sigma:how_to]]   * [[sigma:how_to]]
   * [[sigma:contact]]   * [[sigma:contact]]