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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4171) WebHDFS and HttpFs should accept only valid Unix user names
Date Thu, 06 Dec 2012 19:29:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13512037#comment-13512037
] 

Suresh Srinivas commented on HDFS-4171:
---------------------------------------

Posting my comments from HDFS-4236:
This jira is essentially makes comments on the changes of HDFS-4171. Ideally, if it was made
at the right time, HDFS-4171 could not have been committed. Given no follow up has happened
on this jira for several days. I am going to revert HDFS-4171 by the end of the day, if there
are no further activity in this jira.
                
> 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, HDFS-4171.patch, HDFS-4171.patch, 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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