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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-10556) Add toLowerCase support to auth_to_local rules for service name
Date Thu, 01 May 2014 05:59:16 GMT
Alejandro Abdelnur created HADOOP-10556:
-------------------------------------------

             Summary: 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


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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