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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SSHD-171) ScpCommand block indefinately when using the "-p" flag
Date Thu, 07 Jun 2012 14:18:23 GMT

     [ https://issues.apache.org/jira/browse/SSHD-171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guillaume Nodet resolved SSHD-171.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.7.0
         Assignee: Guillaume Nodet
    
> ScpCommand block indefinately when using the "-p" flag
> ------------------------------------------------------
>
>                 Key: SSHD-171
>                 URL: https://issues.apache.org/jira/browse/SSHD-171
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 0.6.0
>            Reporter: Ken Diep
>            Assignee: Guillaume Nodet
>             Fix For: 0.7.0
>
>         Attachments: SSHD-171.patch
>
>
> When "-p" is specified to preserve the file mode, modification time and access time it
will cause a scp client to hang indefinately because the T header is never acknowledged. 
This is aside from not supporting the flag entirely.
> When it is specified the "T<mtime> 0 <atime> 0" is sent first, followed by
the usual Cmmmm <length> <filename>.  The switch statement @ line 148 never dealt
with the T coming in, as a result, it will keep continuing reading the data and eventually
readAck(true) and return -1.  This causes the scp client (from cygwin and linux) to hang because
it was never acknowledged.

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