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From "Niklas Gustavsson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FTPSERVER-272) follow symbolic links
Date Wed, 13 May 2009 21:16:47 GMT

    [ https://issues.apache.org/jira/browse/FTPSERVER-272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709130#action_12709130
] 

Niklas Gustavsson commented on FTPSERVER-272:
---------------------------------------------

How should this work with regards to the user home directory and moving upward (..) with CWD?
That is, if user home dir is /home/foo and /home/foo/bar links to /home/bar. Where should
the user end up if he does:
CWD bar
CWD ..

Is he now in /home or in /home/foo? I'm assuming /home/foo as otherwise we would allow him
access outside of his defined root. If my assumtion is correct, we would need to keep a history
of where the user was when he did CWD bar, right?

> follow symbolic links
> ---------------------
>
>                 Key: FTPSERVER-272
>                 URL: https://issues.apache.org/jira/browse/FTPSERVER-272
>             Project: FtpServer
>          Issue Type: New Feature
>         Environment: unix, linux, mac, ...
>            Reporter: Francis De Brabandere
>            Assignee: Niklas Gustavsson
>             Fix For: 1.1
>
>
> there should be a way to make the ftpserver follow symbolic links instead of keeping
the symbolic link as pwd:
> Command:        CWD link
> Response:       250 CWD command successful.
> Command:        PWD
> Response:       257 "/linkedToFolder" is current directory.
> you might want to make this the default behavior as some other ftp server do that (to
investigate)
> for links the file.getAbsolutePath() gives you the link path and file.getCanonicalPath()
gives you the real (linked to) path
> (only tested on Linux with sun jvm, not sure this is defined in the spec)

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