Direct set the system PAC to the online PAC URL

shadowsocks-csharp/Controller/PACServer.cs

@@ -71,10 +71,7 @@ namespace Shadowsocks.Controller
                 }
                 if (hostMatch && pathMatch)
                 {
-                    if (_config.useOnlinePac && !string.IsNullOrEmpty(_config.pacUrl))
-                        RedirectToOnlinePAC(firstPacket, length, socket, useSocks);
-                    else
-                        SendResponse(firstPacket, length, socket, useSocks);
+                    SendResponse(firstPacket, length, socket, useSocks);
                     return true;
                 }
                 return false;
@@ -124,30 +121,6 @@ namespace Shadowsocks.Controller
             }
         }
 
-        private void RedirectToOnlinePAC(byte[] firstPacket, int length, Socket socket, bool useSocks)
-        {
-            try
-            {
-                string friendlyMessage = "Redirect to online pac " + _config.pacUrl;
-                string text = String.Format(@"HTTP/1.1 302 Found
-Server: Shadowsocks
-Content-Type: text/html; charset=utf-8
-Location: {0}
-Content-Length: {1}
-Connection: Close
-
-", _config.pacUrl, System.Text.Encoding.UTF8.GetBytes(friendlyMessage).Length) + friendlyMessage;
-                byte[] response = System.Text.Encoding.UTF8.GetBytes(text);
-                socket.BeginSend(response, 0, response.Length, 0, new AsyncCallback(SendCallback), socket);
-                Util.Utils.ReleaseMemory();
-            }
-            catch (Exception e)
-            {
-                Console.WriteLine(e);
-                socket.Close();
-            }
-        }
-
         public void SendResponse(byte[] firstPacket, int length, Socket socket, bool useSocks)
         {
             try

shadowsocks-csharp/Controller/SystemProxy.cs

@@ -49,9 +49,14 @@ namespace Shadowsocks.Controller
                     }
                     else
                     {
+                        string pacUrl;
+                        if (config.useOnlinePac && !string.IsNullOrEmpty(config.pacUrl))
+                            pacUrl = config.pacUrl;
+                        else
+                            pacUrl = "http://127.0.0.1:" + config.localPort.ToString() + "/pac?t=" + GetTimestamp(DateTime.Now);
                         registry.SetValue("ProxyEnable", 0);
                         registry.SetValue("ProxyServer", "");
-                        registry.SetValue("AutoConfigURL", "http://127.0.0.1:" + config.localPort.ToString() + "/pac?t=" + GetTimestamp(DateTime.Now));
+                        registry.SetValue("AutoConfigURL", pacUrl);
                     }
                 }
                 else