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https://issues.apache.org/jira/browse/HIVE-6486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925534#comment-13925534
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Thejas M Nair commented on HIVE-6486:
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I think this should go under "JDBC Client Setup for a Secure Cluster" in
https://cwiki.apache.org/confluence/display/Hive/HiveServer2+Clients .
This feature not something most end users would want to learn about. This is
something users who are implementing a middleware system, where the middleware
system needs to run the query as the user running the client. HIVE-5155 is
another feature that middleware systems would be interested in. Mabye we should
create a sub section under "JDBC Client Setup for a Secure Cluster" like "Using
jdbc from custom middleware application".
> Support secure Subject.doAs() in HiveServer2 JDBC client.
> ---------------------------------------------------------
>
> Key: HIVE-6486
> URL: https://issues.apache.org/jira/browse/HIVE-6486
> Project: Hive
> Issue Type: Improvement
> Components: Authentication, HiveServer2, JDBC
> Affects Versions: 0.11.0, 0.12.0
> Reporter: Shivaraju Gowda
> Assignee: Shivaraju Gowda
> Fix For: 0.13.0
>
> Attachments: HIVE-6486.1.patch, HIVE-6486.2.patch, HIVE-6486.3.patch,
> Hive_011_Support-Subject_doAS.patch, TestHive_SujectDoAs.java
>
>
> HIVE-5155 addresses the problem of kerberos authentication in multi-user
> middleware server using proxy user. In this mode the principal used by the
> middle ware server has privileges to impersonate selected users in
> Hive/Hadoop.
> This enhancement is to support Subject.doAs() authentication in Hive JDBC
> layer so that the end users Kerberos Subject is passed through in the middle
> ware server. With this improvement there won't be any additional setup in the
> server to grant proxy privileges to some users and there won't be need to
> specify a proxy user in the JDBC client. This version should also be more
> secure since it won't require principals with the privileges to impersonate
> other users in Hive/Hadoop setup.
>
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