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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6104) Require EXEC permission to call coprocessor endpoints
Date Thu, 26 Dec 2013 22:56:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-6104:
----------------------------------

    Attachment: 6104.patch

Back for more.

Attaching new patch that won't apply until after HBASE-10239 goes in. New test case for EXEC
permission passes several times locally on JDK6 and 7, including the specific JDK (Oracle
6u43) I managed to reproduce the Jenkins failure with.

Could be (re)considered for commit to trunk.

> Require EXEC permission to call coprocessor endpoints
> -----------------------------------------------------
>
>                 Key: HBASE-6104
>                 URL: https://issues.apache.org/jira/browse/HBASE-6104
>             Project: HBase
>          Issue Type: New Feature
>          Components: Coprocessors, security
>            Reporter: Gary Helmling
>            Assignee: Andrew Purtell
>             Fix For: 0.99.0
>
>         Attachments: 6104-addendum-1.patch, 6104-revert.patch, 6104.patch, 6104.patch,
6104.patch, 6104.patch, 6104.patch, 6104.patch
>
>
> The EXEC action currently exists as only a placeholder in access control.  It should
really be used to enforce access to coprocessor endpoint RPC calls, which are currently unrestricted.
> How the ACLs to support this would be modeled deserves some discussion:
> * Should access be scoped to a specific table and CoprocessorProtocol extension?
> * Should it be possible to grant access to a CoprocessorProtocol implementation globally
(regardless of table)?
> * Are per-method restrictions necessary?
> * Should we expose hooks available to endpoint implementors so that they could additionally
apply their own permission checks? Some CP endpoints may want to require READ permissions,
others may want to enforce WRITE, or READ + WRITE.
> To apply these kinds of checks we would also have to extend the RegionObserver interface
to provide hooks wrapping HRegion.exec().



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