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From "Robert Levas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-9209) Add the ability to append a random value to values in LDAP attributes when generating principals in Active Directory
Date Wed, 21 Jan 2015 02:19:35 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-9209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Levas updated AMBARI-9209:
---------------------------------
    Attachment: AMBARI-9209_01.patch

* Added {{org.apache.ambari.server.serveraction.kerberos.DeconstructedPrincipal}} to help
parse and normalize principals
* Added {{principal_digest}} to the set of Velocity template variables. This value is the
binhexed MD5Hash of the normalized principal value
*Added and updated unit tests

Patch File [^AMBARI-9209_01.patch]

> Add the ability to append a random value to values in LDAP attributes when generating
principals in Active Directory
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-9209
>                 URL: https://issues.apache.org/jira/browse/AMBARI-9209
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Robert Levas
>            Assignee: Robert Levas
>              Labels: active_directory, kerberos
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-9209_01.patch
>
>
> Add ability to append a random value to values in LDAP attributes when generating principals
in Active Directory.
> For example the {{cn}} and {{sAMAccountName}} attributes must be unique.  In some caes
the {{cn}} is not allowed to have {{/}} characters and in all cases the {{sAMAccountName}}
is not allow to have {{/}} characters. Therefore to generate values for these attributes,
the _instance_ part of the principal needs to be stripped off and a random string needs to
be appended. 
> This can be seen where the principal is {{nn/c6501.ambari.apache.org@EXAMPLE.COM}}. 
The {{cn}} would typically be {{nn/c6501.ambari.apache.org}}.  Providing for a random string
would allow the {{cn}} value to be something like {{nn-ythnskdtarsjko5fsdfdsb}}. Since the
{{sAMAccountName}} can be at most 20 characters, it would be {{nn-ythnskdtarsjko5fs}}.
> Since the generation of the attributes and values is done using a Velocity template,
this random string will need to be generated and stored in the Velocity engine context before
processing the template.



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