Allow binding to a local IP

config.js

@@ -26,6 +26,14 @@ module.exports = {
 	//
 	port: 9000,
 
+	//
+	// Set the local IP to bind to.
+	//
+	// @type     string
+	// @default  "0.0.0.0"
+	//
+	bind: undefined,
+
 	//
 	// Set the default theme.
 	//

src/client.js

@@ -116,6 +116,7 @@ Client.prototype.find = function(id) {
 };
 
 Client.prototype.connect = function(args) {
+	var config = Helper.getConfig();
 	var client = this;
 	var server = {
 		host: args.host || "irc.freenode.org",
@@ -124,7 +125,17 @@ Client.prototype.connect = function(args) {
 		rejectUnauthorized: false
 	};
 
+	if(config.bind) {
+		server.localAddress = config.bind;
+
+		if(args.tls) {
+			var socket = net.connect(server);
+			server.socket = socket;
+		}
+	}
+
 	var stream = args.tls ? tls.connect(server) : net.connect(server);
+
 	stream.on("error", function(e) {
 		console.log("Client#connect():\n" + e);
 		stream.end();

src/command-line/start.js

@@ -6,6 +6,7 @@ var Helper = require("../helper");
 program
 	.option("-H, --host <ip>", "host")
 	.option("-p, --port <port>", "port")
+	.option("-B, --bind <ip>", "bind")
 	.option("    --public", "mode")
 	.option("    --private", "mode")
 	.command("start")
@@ -27,6 +28,7 @@ program
 		} else {
 			var host = program.host || process.env.IP || config.host;
 			var port = program.port || process.env.PORT || config.port;
-			shout(port, host, mode);
+			var bind = program.bind || process.env.BIND || config.bind;
+			shout(port, host, mode, bind);
 		}
 	});

src/server.js

@@ -11,11 +11,12 @@ var config = {};
 var sockets = null;
 var manager = new ClientManager();
 
-module.exports = function(port, host, isPublic) {
+module.exports = function(port, host, isPublic, localIp) {
 	config = Helper.getConfig();
 	config.port = port;
 	config.host = host;
 	config.public = isPublic;
+	config.bind = localIp;
 
 	var app = express()
 		.use(index)