use local port in pac

shadowsocks-csharp/Controller/PACServer.cs

@@ -17,6 +17,7 @@ namespace Shadowsocks.Controller
         public static string PAC_FILE = "pac.txt";
 
         FileSystemWatcher watcher;
+        private Configuration _config;
 
         public event EventHandler PACFileChanged;
 
@@ -25,6 +26,11 @@ namespace Shadowsocks.Controller
             this.WatchPacFile();
         }
 
+        public void UpdateConfiguration(Configuration config)
+        {
+            this._config = config;
+        }
+
         public bool Handle(byte[] firstPacket, int length, Socket socket)
         {
             try
@@ -159,7 +165,7 @@ Connection: Close
 
         private string GetPACAddress(byte[] requestBuf, int length, IPEndPoint localEndPoint)
         {
-            return "PROXY " + localEndPoint.Address + ":8123;";
+            return "PROXY " + localEndPoint.Address + ":" + this._config.localPort + ";";
         }
     }
 }

shadowsocks-csharp/Controller/ShadowsocksController.cs

@@ -196,6 +196,7 @@ namespace Shadowsocks.Controller
                 _pacServer = new PACServer();
                 _pacServer.PACFileChanged += pacServer_PACFileChanged;
             }
+            _pacServer.UpdateConfiguration(_config);
             if (gfwListUpdater == null)
             {
                 gfwListUpdater = new GFWListUpdater();