First commit of MeshAgent for MeshCentral

Debug/tunnel.js

@@ -0,0 +1,113 @@
+var proxy;
+var i;
+
+var http = require('http');
+var net = require('net');
+var host = null;
+var port = 443;
+var id = null;
+var req;
+var local = 0;
+
+var remoteHost = "";
+var remotePort = 0;
+
+process.on("uncaughtException", function (e) { console.log("UncaughtException: " + e); });
+process.on("exit", function (code) { console.log("Process Exiting with code: " + code); });
+
+function onWebSocket(response, s, head)
+{
+    console.log("WebSocket connected");
+    s.data = onWebSocketData;
+}
+function OnNewConnection(connection)
+{
+    console.log("New Local Connection");
+    this.parent.pipe(connection);
+    connection.pipe(this.parent);
+}
+
+function OnClientConnection()
+{
+    console.log("New Client Connection Established");
+    this.parent.pipe(this);
+    this.pipe(this.parent);
+}
+
+function onWebSocketData(buffer)
+{
+    if(buffer == 'c')
+    {
+        console.log("tunnel established");
+        this.pause();
+
+        if (local != 0)
+        {
+            this.server = net.createServer();
+            this.server.parent = this;
+            this.server.on('connection', OnNewConnection);
+            this.server.listen({ port: local });
+        }
+        if(remotePort != 0)
+        {
+            this.client = net.createConnection({ port: remotePort, host: remoteHost }, OnClientConnection);
+            this.client.parent = this;
+        }
+    }
+}
+
+
+for (i = 1; i < process.argv.length; ++i)
+{
+    if(process.argv[i] == 'local')
+    {
+        console.log("binding local port " + (local = parseInt(process.argv[i + 1])));
+        ++i;
+    }
+    else if(process.argv[i] == 'remote')
+    {
+        remoteHost = process.argv[i + 1];
+        remotePort = parseInt(process.argv[i + 2])
+        console.log("binding remote " + remoteHost + ":" + remotePort);
+        i += 2;
+    }
+    else if(process.argv[i] == 'proxy')
+    {
+        console.log("Using Proxy: " + process.argv[i + 1] + ":" + parseInt(process.argv[i + 2]));
+        proxy = require('global-tunnel');
+        try
+        {
+            proxy.initialize({ host: process.argv[i + 1], port: parseInt(process.argv[i + 2]) });
+        }
+        catch(e)
+        {
+            console.log("Unable to bind proxy: " + e);
+        }
+        i += 2;
+    }
+    else if(process.argv[i] == 'relayHost')
+    {
+        host = process.argv[i + 1];
+        ++i;
+    }
+    else if(process.argv[i] == 'relayId')
+    {
+        id = process.argv[i + 1];
+        ++i;
+    }
+    else if(process.argv[i] == 'relayPort')
+    {
+        port = parseInt(argv[i + 1]);
+        ++i;
+    }
+}
+
+if (host != null && id != null)
+{
+    console.log("using relay: [" + host + ":" + port + "] using id: " + id);
+    req = http.request({ protocol: "wss:", host: host, port: port, path: "/meshrelay.ashx?id='" + id + "'" });
+    req.upgrade = onWebSocket;
+}
+
+
+