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https://issues.apache.org/jira/browse/ZOOKEEPER-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16059864#comment-16059864
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ASF GitHub Bot commented on ZOOKEEPER-1782:
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Github user hanm commented on the issue:
https://github.com/apache/zookeeper/pull/282
`zookeeper.superUser` was added in ZOOKEEPER-938 and it was never
documented. I doubt people even know about this property without looking into
source code and/or the description of ZOOKEEPER-938, but I agree compatibility
concern here is very reasonable.
So let's stick to `zookeeper.superUser` for this patch. We can give it a
shinny name later. The only remaining work is to document this
`zookeeper.superUser`. The doc source is located
https://github.com/apache/zookeeper/blob/master/src/docs/src/documentation/content/xdocs/zookeeperAdmin.xml,
search `zookeeper.DigestAuthenticationProvider.superDigest` or
`X509AuthenticationProvider.superUser` as references of existing superuser
documents.
> zookeeper.superUser is not as super as superDigest
> --------------------------------------------------
>
> Key: ZOOKEEPER-1782
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1782
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.4.5
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Attachments: zk-1782.patch, zk-1782.patch
>
>
> The zookeeper.superUser system property does not fully grant super user
> privileges, like zookeeper.DigestAuthenticationProvider.superDigest does.
> zookeeper.superUser only has as many privileges as the sasl ACLs on the znode
> being accessed. This means that if a znode only has digest ACLs
> zookeeper.superUser is ignored. Or if a znode has a single sasl ACL that
> only has read privileges zookeeper.superUser only has read privileges.
> The reason for this is that SASLAuthenticationProvider implements the
> superUser check in the matches method, instead of having the super user
> include a new Id("super","") as Digest does.
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