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https://issues.apache.org/jira/browse/DRILL-4281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15180009#comment-15180009
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ASF GitHub Bot commented on DRILL-4281:
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Github user kbotzum commented on the pull request:
https://github.com/apache/drill/pull/400#issuecomment-192320077
One suggestion. The terms I use when discussing the concepts with customers
are Drill inbound impersonation and Drill outbound impersonation. That is
absolutely clear. It does imply implementation to a bit but I think makes
intent very clear. You can then derive other terms from that such as
"can_impersonate_inbound" and
"principals_authorized_for_inbound_impersonation." Yea, really wording but very
clear. We can of course shorten to "princ_auth_inbound_imper" in code.
Would that make sense?
By the way the use of the termed chained in the context of security usually
implied something like chained delegation which makes me think of a security
identity that is both end to end secure like kerberos and includes all
identities that were passed through. That's not this so I'd avoid use of the
term chained.
> Drill should support inbound impersonation
> ------------------------------------------
>
> Key: DRILL-4281
> URL: https://issues.apache.org/jira/browse/DRILL-4281
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Keys Botzum
> Assignee: Sudheesh Katkam
> Labels: doc-impacting, security
>
> Today Drill supports impersonation *to* external sources. For example I can
> authenticate to Drill as myself and then Drill will access HDFS using
> impersonation
> In many scenarios we also need impersonation to Drill. For example I might
> use some front end tool (such as Tableau) and authenticate to it as myself.
> That tool (server version) then needs to access Drill to perform queries and
> I want those queries to run as myself, not as the Tableau user. While in
> theory the intermediate tool could store the userid & password for every user
> to the Drill this isn't a scalable or very secure solution.
> Note that HS2 today does support inbound impersonation as described here:
> https://issues.apache.org/jira/browse/HIVE-5155
> The above is not the best approach as it is tied to the connection object
> which is very coarse grained and potentially expensive. It would be better if
> there was a call on the ODBC/JDBC driver to switch the identity on a existing
> connection. Most modern SQL databases (Oracle, DB2) support such function.
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