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From "Shibin Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18323) Remove multiple ACLs for the same user in kerberos
Date Thu, 06 Jul 2017 03:59:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075887#comment-16075887
] 

Shibin Zhang commented on HBASE-18323:
--------------------------------------

[~elserj]  hi,  why  we use Ids.CREATOR_ALL_ACL ?  maybe ,it's reasonable for   user to set
the servcie user the same as  superuser.

If  we set the service user not the same as superuser ,  this service user may be add to znode
acl 

> Remove multiple ACLs for the same user in kerberos
> --------------------------------------------------
>
>                 Key: HBASE-18323
>                 URL: https://issues.apache.org/jira/browse/HBASE-18323
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0, 3.0.0
>            Reporter: Shibin Zhang
>            Priority: Minor
>         Attachments: HBASE-18323.patch
>
>
> When deploy hbase in kerberos way ,there will be multiple acls in znode :
> 'world,'anyone
> : r
> 'sasl,'hbase
> : cdrwa
> 'sasl,'hbase
> : cdrwa
> I also see the related issue and apply the patch, like  https://issues.apache.org/jira/browse/HBASE-17717

> but in my environment ,this situation still appear,
> After dig into the code , i found the reason in source code  ZKUtil.createAcl  is
>  if (zkw.isClientReadable(node)) {
>         LOG.error("isSecureZooKeeper user: clientReadable");
>         acls.addAll(Ids.CREATOR_ALL_ACL);
>         acls.addAll(Ids.READ_ACL_UNSAFE);
>       } else {
>         LOG.error("isSecureZooKeeper user: clientReadable no");
>         acls.addAll(Ids.CREATOR_ALL_ACL);
>       } 
>   acls.addAll(Ids.CREATOR_ALL_ACL);   
>   
>   Id AUTH_IDS = new Id("auth", "");
> ArrayList<ACL> CREATOR_ALL_ACL = new ArrayList(Collections.singletonList(new ACL(31,
AUTH_IDS)));
> AUTH_IDS   with  "auth " will result  current connection auth user  add to znode acl
,
> so it will appear multiple acls for same users.
> I think this line of code  we can remove  :  acls.addAll(Ids.CREATOR_ALL_ACL);   



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