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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9219) Even if permission is enabled in an environment, while resolving reserved paths there is no check on permission.
Date Fri, 09 Oct 2015 17:33:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14950827#comment-14950827
] 

Mingliang Liu commented on HDFS-9219:
-------------------------------------

Thanks for providing more information.

If {{checkPathAccess}} is called, I think the permission is checked there (if enabled)?

> Even if permission is enabled in an environment, while resolving reserved paths there
is no check on permission.
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9219
>                 URL: https://issues.apache.org/jira/browse/HDFS-9219
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: J.Andreina
>            Assignee: J.Andreina
>
> Currently at few instances , reserved paths are resolved without checking for permission,
even if "dfs.permissions.enabled" is set to true.
> {code}
>     FSPermissionChecker pc = fsd.getPermissionChecker();
>     byte[][] pathComponents = FSDirectory.getPathComponentsForReservedPath(src);
>     INodesInPath iip;
>     fsd.writeLock();
>     try {
>       src = *FSDirectory.resolvePath(src, pathComponents, fsd);*
> {code}



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