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From "Benjamin Piwowarski (JIRA)" <>
Subject [jira] [Updated] (VFS-440) [SFTP] Stream (e.g. netcat) proxy for Sftp file system (aka ProxyCommand)
Date Sun, 28 Oct 2012 07:57:13 GMT


Benjamin Piwowarski updated VFS-440:

    Attachment: sftp-stream-proxy-v7.diff

Patch v7 includes SftpStreamProxy. 

I left the changes in in the effort of cleaning up output of Sftp tests:
it just removes a System.err.println
- System.err.println(file.setReadable(true, true));
+ file.setReadable(true, true);
> [SFTP] Stream (e.g. netcat) proxy for Sftp file system (aka ProxyCommand)
> -------------------------------------------------------------------------
>                 Key: VFS-440
>                 URL:
>             Project: Commons VFS
>          Issue Type: Improvement
>            Reporter: Benjamin Piwowarski
>            Priority: Minor
>              Labels: proxy, sftp
>         Attachments: sftp-stream-proxy.diff, sftp-stream-proxy-v2.diff, sftp-stream-proxy-v3.diff,
sftp-stream-proxy-v4.diff, sftp-stream-proxy-v5.diff, sftp-stream-proxy-v6.diff, sftp-stream-proxy-v7.diff
> What I propose is to add the possibility to connect to a remote SSH server through an
SSH connection stream (instead of an HTTP or SOCKS proxy). See for instance
> for a use case.
> This simulates a ProxyCommand where the command is run on a SSH host.
> The patch also contains a test for the new functionality. 
> Example of use (with the netcat command nc -q 0 HOSTNAME PORT)
> {code:java}
> builder.setProxyType(opts, SftpFileSystemConfigBuilder.PROXY_STREAM);
> builder.setProxyCommand(opts, SftpStreamProxy.NETCAT_COMMAND);
> builder.setProxyHost(opts, "");
> builder.setProxyPort(opts, 22);
> builder.setProxyOptions(opts, proxyOptions);
> {code}

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