Added dirty hack for support ssh-proxy.

refs

pstadler#143
https://github.com/mscdex/ssh2#connection-hopping

lib/transport/ssh.js

@@ -56,7 +56,25 @@ function SSH(context) {
     return fiber.throwInto(err);
   });
 
-  this._connection.connect(config);
+  this._PROXY = null;
+
+  if (config.hasOwnProperty('proxyTo')) {
+    self._PROXY = new Connection();
+    self._PROXY.on('ready', function() {
+      self._PROXY.exec(`nc ${config.proxyTo.host} ${config.proxyTo.port}`, function(err, stream) {
+        if (err) {
+          console.err('proxy error');
+          return self._PROXY.end();
+        }
+        var proxyConfig = config.proxyTo;
+        proxyConfig.sock = stream;
+        self._connection.connect(proxyConfig);
+      });
+    });
+    self._PROXY.connect(config);
+  } else {
+    this._connection.connect(config);
+  }
 
   return Fiber.yield();
 }
@@ -117,6 +135,10 @@ SSH.prototype._exec = function(command, options) {
         return fiber.throwInto(error);
       }
 
+      if (self._PROXY !== null) {
+        self._PROXY.end();
+      }
+
       fiber.run(result);
     });
   });