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From "Suresh Srinivas (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8139) Path does not allow metachars to be escaped
Date Mon, 12 Mar 2012 23:18:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13228035#comment-13228035
] 

Suresh Srinivas commented on HADOOP-8139:
-----------------------------------------

bq. It looks reasonable to me, but someone should probably run tests on Windows before it
is committed, don't you think?
If it is the simpler version of the patch, it would be good run some tests on windows. However,
if windows is not available for testing, I am okay with it being not tested on Windows. From
what I know for a while windows tests have not been run on Hadoop.
                
> Path does not allow metachars to be escaped
> -------------------------------------------
>
>                 Key: HADOOP-8139
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8139
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: HADOOP-8139-2.patch, HADOOP-8139-3.patch, HADOOP-8139-4.patch, HADOOP-8139-5.patch,
HADOOP-8139.patch, HADOOP-8139.patch
>
>
> Path converts "\" into "/", probably for windows support?  This means it's impossible
for the user to escape metachars in a path name.  Glob expansion can have deadly results.
> Here are the most egregious examples. A user accidentally creates a path like "/user/me/*/file".
 Now they want to remove it.
> {noformat}"hadoop fs -rmr -skipTrash '/user/me/\*'" becomes...
> "hadoop fs -rmr -skipTrash /user/me/*"{noformat}
> * User/Admin: Nuked their home directory or any given directory
> {noformat}"hadoop fs -rmr -skipTrash '\*'" becomes...
> "hadoop fs -rmr -skipTrash /*"{noformat}
> * User:  Deleted _everything_ they have access to on the cluster
> * Admin: *Nukes the entire cluster*
> Note: FsShell is shown for illustrative purposes, however the problem is in the Path
object, not FsShell.

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