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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10556) Add toLowerCase support to auth_to_local rules for service name
Date Tue, 06 May 2014 16:49:15 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HADOOP-10556:
----------------------------------------

    Attachment: HADOOP-10556.patch

new patch using Locale.ENGLISH for lowercasing as Steve suggested.

> Add toLowerCase support to auth_to_local rules for service name
> ---------------------------------------------------------------
>
>                 Key: HADOOP-10556
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10556
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.4.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: HADOOP-10556.patch, HADOOP-10556.patch
>
>
> When using Vintela to integrate Linux with AD, principals are lowercased. If the accounts
in AD have uppercase characters (ie FooBar) the Kerberos principals have also uppercase characters
(ie FooBar/<HOST>). Because of this, when a service (Yarn/HDFS) extracts the service
name from the Kerberos principal (FooBar) and uses it for obtain groups the user is not found
because via Linux the user FooBar is unknown, it has been converted to foobar.



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