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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9023) HttpFs is too restrictive on usernames
Date Fri, 09 Nov 2012 18:44:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494197#comment-13494197

Alejandro Abdelnur commented on HADOOP-9023:

In a secure setup the user names must match a Unix user name. [a-z_][a-z0-9_-]*[$] with a
min/max of 1/31

The correct thing to do would be the USER_PATTERN to enforce the same pattern as UNIX, both
in HttpFS and in WebHDFS
> HttpFs is too restrictive on usernames
> --------------------------------------
>                 Key: HADOOP-9023
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9023
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Harsh J
> 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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