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https://issues.apache.org/jira/browse/HADOOP-8456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13484145#comment-13484145
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Daryn Sharp commented on HADOOP-8456:
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Two questions:
# Does the wrapping of double quotes around the command args imply that the
windows shell is re-parsing the group name? If so, that would seem to be a
security issue if the user is somehow able to inject input with metachars.
# Maybe turn the delimiter into a general option so it's not hardcoded
throughout the patch?
> Support spaces in user names and group names in results returned via winutils
> -----------------------------------------------------------------------------
>
> Key: HADOOP-8456
> URL: https://issues.apache.org/jira/browse/HADOOP-8456
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 1-win
> Reporter: Chuan Liu
> Assignee: Ivan Mitic
> Priority: Minor
> Attachments: HADOOP-8456.branch-1-win.spaces.patch
>
>
> When parsing results returned by ‘ls’, we made implicit assumption that user
> and group names cannot contain spaces. On Linux, spaces are not allowed in
> user names and group names. This is not the case for Windows. We need to find
> a way to fix the problem for Windows.
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