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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-1782) zookeeper.superUser is not as super as superDigest
Date Wed, 21 Jun 2017 22:29:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058373#comment-16058373
] 

ASF GitHub Bot commented on ZOOKEEPER-1782:
-------------------------------------------

Github user hanm commented on the issue:

    https://github.com/apache/zookeeper/pull/282
  
    One more thing here. Looks like we don't have an existing configuration option or system
property called "superUser" (or zookeeper.superUser). So this `zookeeper.superUser` should
be documented.
    
    The existing approach of how superuser is defined under various auth provider:
    * For digest, it's `zookeeper.DigestAuthenticationProvider.superDigest`.
    * For ssl, it's `zookeeper.X509AuthenticationProvider.superUser`.
    
    So maybe for SASL we name it `zookeeper.SASLAuthenticationProvider.superUser`, rather
than `zookeeper.superUser` given it's only applicable to SASL?


> 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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