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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3807) Hive authorization should use short username when Kerberos authentication
Date Wed, 16 Jan 2013 17:28:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13555235#comment-13555235
] 

Ashutosh Chauhan commented on HIVE-3807:
----------------------------------------

AFAIK hive auth model is not turned on at most places, so we can get away by providing helper
script, instead of adding checks in code. Lets, provide a script which Hive admins can run
to re-grant privileges with short names to all the existing users. 
                
> Hive authorization should use short username when Kerberos authentication
> -------------------------------------------------------------------------
>
>                 Key: HIVE-3807
>                 URL: https://issues.apache.org/jira/browse/HIVE-3807
>             Project: Hive
>          Issue Type: Improvement
>          Components: Authorization
>    Affects Versions: 0.9.0, 0.10.0
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HIVE-3807.patch
>
>
> Currently when authentication method is Kerberos,Hive authorization uses user full name
as privilege principal, for example, it uses john@EXAMPLE.COM instead of john.
> It should use the short name instead. The benefits:
> 1. Be consistent. Hadoop, HBase and etc they all use short name in related ACLs or authorizations.
For Hive authorization works well with them, this should be.
> 2. Be convenient. It's very inconvenient to use the lengthy Kerberos principal name when
grant or revoke privileges via Hive CLI.

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