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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4171) WebHDFS and HttpFs should accept only valid Unix user names
Date Wed, 14 Nov 2012 06:20:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HDFS-4171:
-------------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

committed to trunk and branch-2
                
> WebHDFS and HttpFs should accept only valid Unix user names
> -----------------------------------------------------------
>
>                 Key: HDFS-4171
>                 URL: https://issues.apache.org/jira/browse/HDFS-4171
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.2-alpha
>            Reporter: Harsh J
>            Assignee: Alejandro Abdelnur
>             Fix For: 2.0.3-alpha
>
>         Attachments: HDFS-4171.patch
>
>
> HttpFs tries to use UserProfile.USER_PATTERN to match all usernames before a doAs impersonation
function. This regex is too strict for most usernames, as it disallows any special character
at all. We should relax it more or ditch needing to match things there.
> WebHDFS currently has no such limitations.

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