SFTP using SOCKS Proxy

Demonstrates how to connect to an SFTP/SSH server through a SOCKS4 or SOCKS5 proxy.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    //  Important: It is helpful to send the contents of the
    //  sftp.LastErrorText property when requesting support.

    CkSFtp sftp = new CkSFtp();

    //  Any string automatically begins a fully-functional 30-day trial.
    boolean success;
    success = sftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  To use a SOCKS4 or SOCKS5 proxy, simply set the following
    //  properties prior to connecting:
    //  The SOCKS hostname may be a domain name or
    //  IP address:
    sftp.put_SocksHostname("www.mysocksproxyserver.com");
    sftp.put_SocksPort(1080);
    sftp.put_SocksUsername("myProxyLogin");
    sftp.put_SocksPassword("myProxyPassword");

    //  Set the SOCKS version to 4 or 5 based on the version
    //  of the SOCKS proxy server:
    sftp.put_SocksVersion(5);

    //  Note: SOCKS4 servers only support usernames without passwords.
    //  SOCKS5 servers support full login/password authentication.

    //  Connect to the SSH server.
    //  The standard SSH port = 22
    //  The hostname may be a hostname or IP address.
    int port;
    String hostname;
    hostname = "www.my-ssh-server.com";
    port = 22;
    success = sftp.Connect(hostname,port);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Your application is now connected to an SFTP/SSH server
    //  through a SOCKS4 or SOCKS5 proxy.
    //  ...

  }
}