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Date: Sun, 28 Oct 2012 07:57:13 +0000 (UTC)
From: "Benjamin Piwowarski (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
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Subject: [jira] [Updated] (VFS-440) [SFTP] Stream (e.g. netcat) proxy for
 Sftp file system (aka ProxyCommand)
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     [ https://issues.apache.org/jira/browse/VFS-440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Piwowarski updated VFS-440:
------------------------------------

    Attachment: sftp-stream-proxy-v7.diff

Patch v7 includes SftpStreamProxy. 

I left the changes in PermissionsTests.java 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: https://issues.apache.org/jira/browse/VFS-440
>             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
> http://backdrift.org/transparent-proxy-with-ssh
> 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, "gate.way.host");
> builder.setProxyPort(opts, 22);
> builder.setProxyOptions(opts, proxyOptions);
> {code}

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