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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (VFS-440) [SFTP] Stream (e.g. netcat) proxy for Sftp file system (aka ProxyCommand)
Date Sun, 28 Oct 2012 13:23:12 GMT

    [ https://issues.apache.org/jira/browse/VFS-440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485623#comment-13485623
] 

Gary Gregory commented on VFS-440:
----------------------------------

Ok, now I am in weird territory.

This works reliably: "mvn -Dtest=org.apache.commons.vfs2.provider.sftp.test.SftpProviderTestCase
test"

But this hung once: "mvn clean test". I killed the Maven JVM and that left the JVM running
the test running, which I killed separately.

I ran "mvn test" (no clean) and it passed.

I ran again "mvn clean test" and it passed.

I'm going to run "mvn clean test" in a loop and see if it hangs again.

Can you try too?

Thank you,
Gary
                
> [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-bis.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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