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https://issues.apache.org/jira/browse/ZOOKEEPER-2590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward Ribeiro reassigned ZOOKEEPER-2590:
-----------------------------------------
Assignee: Edward Ribeiro
> setACL doesn't affect exists() operation
> ----------------------------------------
>
> Key: ZOOKEEPER-2590
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2590
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Edward Ribeiro
> Assignee: Edward Ribeiro
> Labels: acl, security
>
> As hinted
> [here|https://github.com/apache/zookeeper/blob/master/src/java/main/org/apache/zookeeper/server/FinalRequestProcessor.java#L298],
> even if a parent znode path has restricted READ access it's possible to
> issue an exists() operation on any child znode of that given path.
> For example, the snippet below doesn't throw {{NoAuthExceptio}}, even tough
> it removes ACL rights to "/":
> {code}
> zk.create("/a", null, Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
> ArrayList<ACL> acls = new ArrayList<>();
> acls.add(new ACL(0, Ids.ANYONE_ID_UNSAFE));
> zk.setACL("/", acls, -1);
> Stat r = zk.exists("/a", false);
> {code}
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