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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11434) [AccessController] Disallow inbound cells with reserved tags
Date Sat, 28 Jun 2014 18:10:24 GMT
Andrew Purtell created HBASE-11434:

             Summary: [AccessController] Disallow inbound cells with reserved tags
                 Key: HBASE-11434
                 URL: https://issues.apache.org/jira/browse/HBASE-11434
             Project: HBase
          Issue Type: Improvement
            Reporter: Andrew Purtell
            Assignee: Andrew Purtell
             Fix For: 0.99.0, 0.98.4

Currently the AccessController allows users to store cells with ACL tags encoded by the client.
This isn't a security issue currently, because in order to store the cell the user must have
a relevant WRITE grant, and the user is allowed to specify whatever ACL for the cell they'd
like. However it could become a correctness problem in the future, if we introduce format
sanity checking or the like, so let's disallow inbound mutations containing cells with reserved
tags like the VisibilityController does. 

The check is skipped if the active user is a superuser. First, superusers are allowed to do
anything. Second, replication (as superuser) must be able to store incoming cells with ACL

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