Merge pull request #249 from henning724/master

处理遍历适配器时的异常，解决一部分tun/tap启动问题

Netch/Controllers/DNSController.cs

@@ -0,0 +1,112 @@
+using Netch.Forms;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Net;
+using System.Threading;
+
+namespace Netch.Controllers
+{
+    public class DNSController
+    {
+        /// <summary>
+        ///		进程实例
+        /// </summary>
+        public Process Instance;
+
+        /// <summary>
+        /// 启动NatTypeTester
+        /// </summary>
+        /// <returns></returns>
+        public bool Start()
+        {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Starting dns2tcp Service")}");
+            try
+            {
+                if (!File.Exists("bin\\dns2tcp.exe"))
+                {
+                    return false;
+                }
+
+                Instance = MainController.GetProcess();
+                Instance.StartInfo.FileName = "bin\\dns2tcp.exe";
+
+                Instance.StartInfo.Arguments = " -L 127.0.0.1:53 -R 1.1.1.1:53";
+
+                Instance.OutputDataReceived += OnOutputDataReceived;
+                Instance.ErrorDataReceived += OnOutputDataReceived;
+
+                Instance.Start();
+                Instance.BeginOutputReadLine();
+                Instance.BeginErrorReadLine();
+                return true;
+            }
+            catch (Exception)
+            {
+                Utils.Logging.Info("dns2tcp 进程出错");
+                Stop();
+                return false;
+            }
+        }
+
+        /// <summary>
+        ///		停止
+        /// </summary>
+        public void Stop()
+        {
+            try
+            {
+                if (Instance != null && !Instance.HasExited)
+                {
+                    Instance.Kill();
+                }
+            }
+            catch (Exception e)
+            {
+                Utils.Logging.Info(e.ToString());
+            }
+        }
+
+        public void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
+        {
+            if (!string.IsNullOrWhiteSpace(e.Data))
+            {
+                if (File.Exists("logging\\dns2tcp.log"))
+                {
+                    File.Delete("logging\\dns2tcp.log");
+                }
+                File.AppendAllText("logging\\dns2tcp.log", $"{e.Data}\r\n");
+            }
+        }
+
+       /* public static DNS.Server.DnsServer Server = new DNS.Server.DnsServer(new Resolver());
+
+        public bool Start()
+        {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting LocalDns service")}");
+            try
+            {
+                _ = Server.Listen(new IPEndPoint(IPAddress.IPv6Any, 53));
+            }
+            catch (Exception e)
+            {
+                Utils.Logging.Info(e.ToString());
+                return false;
+            }
+
+            return true;
+        }
+
+        public void Stop()
+        {
+            try
+            {
+                Server.Dispose();
+            }
+            catch (Exception e)
+            {
+                Utils.Logging.Info(e.ToString());
+            }
+        }*/
+    }
+}

Netch/Controllers/MainController.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Threading.Tasks;
 
 namespace Netch.Controllers
 {
@@ -51,6 +52,11 @@ namespace Netch.Controllers
         /// </summary>
         public TUNTAPController pTUNTAPController;
 
+        /// <summary>
+        ///		NTT 控制器
+        /// </summary>
+        public NTTController pNTTController;
+
         /// <summary>
         ///		启动
         /// </summary>
@@ -106,8 +112,18 @@ namespace Netch.Controllers
                     {
                         pNFController = new NFController();
                     }
+                    if (pNTTController == null)
+                    {
+                        pNTTController = new NTTController();
+                    }
                     // 进程代理模式，启动 NF 控制器
                     result = pNFController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
+
                 }
                 else if (mode.Type == 1)
                 {
@@ -115,8 +131,17 @@ namespace Netch.Controllers
                     {
                         pTUNTAPController = new TUNTAPController();
                     }
+                    if (pNTTController == null)
+                    {
+                        pNTTController = new NTTController();
+                    }
                     // TUN/TAP 黑名单代理模式，启动 TUN/TAP 控制器
                     result = pTUNTAPController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
                 }
                 else if (mode.Type == 2)
                 {
@@ -124,8 +149,17 @@ namespace Netch.Controllers
                     {
                         pTUNTAPController = new TUNTAPController();
                     }
+                    if (pNTTController == null)
+                    {
+                        pNTTController = new NTTController();
+                    }
                     // TUN/TAP 白名单代理模式，启动 TUN/TAP 控制器
                     result = pTUNTAPController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
                 }
                 else if (mode.Type == 3 || mode.Type == 5)
                 {
@@ -171,7 +205,7 @@ namespace Netch.Controllers
             {
                 pVMessController.Stop();
             }
-            
+
             if (pNFController != null)
             {
                 pNFController.Stop();
@@ -184,10 +218,15 @@ namespace Netch.Controllers
             {
                 pHTTPController.Stop();
             }
-            
+
+            if (pNTTController != null)
+            {
+                pNTTController.Stop();
+            }
         }
 
-        public void KillProcess(string name) {
+        public void KillProcess(string name)
+        {
             var processes = Process.GetProcessesByName(name);
             foreach (var p in processes)
             {
@@ -198,7 +237,7 @@ namespace Netch.Controllers
             }
         }
 
-        private static bool IsChildProcess(Process process,string name)
+        private static bool IsChildProcess(Process process, string name)
         {
             bool result;
             try

Netch/Controllers/NFController.cs

@@ -1,4 +1,5 @@
-using System;
+using Netch.Forms;
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.ServiceProcess;
@@ -39,6 +40,7 @@ namespace Netch.Controllers
         /// <returns>是否成功</returns>
         public bool Start(Models.Server server, Models.Mode mode)
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting Redirector")}");
             if (!File.Exists("bin\\Redirector.exe"))
             {
                 return false;
@@ -98,6 +100,7 @@ namespace Netch.Controllers
                 var service = new ServiceController("netfilter2");
                 if (service.Status == ServiceControllerStatus.Stopped)
                 {
+                    MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting netfilter2 Service")}");
                     service.Start();
                 }
             }
@@ -114,6 +117,8 @@ namespace Netch.Controllers
             }
 
             var processes = "";
+
+            mode.Rule.Add("NTT.exe");
             foreach (var proc in mode.Rule)
             {
                 processes += proc;

Netch/Controllers/NTTController.cs

@@ -0,0 +1,95 @@
+using Netch.Forms;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Threading;
+
+namespace Netch.Controllers
+{
+    public class NTTController
+    {
+        /// <summary>
+        ///		进程实例
+        /// </summary>
+        public Process Instance;
+
+        /// <summary>
+        ///		当前状态
+        /// </summary>
+        public Models.State State = Models.State.Waiting;
+
+        /// <summary>
+        /// 启动NatTypeTester
+        /// </summary>
+        /// <returns></returns>
+        public (bool, string, string, string) Start()
+        {
+            MainForm.Instance.NatTypeStatusText($"{Utils.i18N.Translate("Starting NatTester")}");
+            try
+            {
+                if (!File.Exists("bin\\NTT.exe"))
+                {
+                    return (false, null, null, null);
+                }
+
+                Instance = MainController.GetProcess();
+                Instance.StartInfo.FileName = "bin\\NTT.exe";
+
+                Instance.StartInfo.Arguments = $" {Global.Settings.STUN_Server} {Global.Settings.STUN_Server_Port}";
+
+                Instance.OutputDataReceived += OnOutputDataReceived;
+                Instance.ErrorDataReceived += OnOutputDataReceived;
+
+                State = Models.State.Starting;
+                Instance.Start();
+                Instance.BeginOutputReadLine();
+                Instance.BeginErrorReadLine();
+                Instance.WaitForExit();
+
+                string[] result = File.ReadAllText("logging\\NTT.log").ToString().Split('#');
+                var natType = result[0];
+                var localEnd = result[1];
+                var publicEnd = result[2];
+                MainForm.Instance.NatTypeStatusText(natType);
+
+                return (true, natType, localEnd, publicEnd);
+            }
+            catch (Exception)
+            {
+                Utils.Logging.Info("NTT 进程出错");
+                Stop();
+                return (false, null, null, null);
+            }
+        }
+
+        /// <summary>
+        ///		停止
+        /// </summary>
+        public void Stop()
+        {
+            try
+            {
+                if (Instance != null && !Instance.HasExited)
+                {
+                    Instance.Kill();
+                }
+            }
+            catch (Exception e)
+            {
+                Utils.Logging.Info(e.ToString());
+            }
+        }
+
+        public void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
+        {
+            if (!string.IsNullOrWhiteSpace(e.Data))
+            {
+                if (File.Exists("logging\\NTT.log"))
+                {
+                    File.Delete("logging\\NTT.log");
+                }
+                File.AppendAllText("logging\\NTT.log", $"{e.Data}\r\n");
+            }
+        }
+    }
+}

Netch/Controllers/SSController.cs

@@ -1,4 +1,5 @@
-using System;
+using Netch.Forms;
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.Threading;
@@ -25,6 +26,7 @@ namespace Netch.Controllers
         /// <returns>是否启动成功</returns>
         public bool Start(Models.Server server, Models.Mode mode)
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting Shadowsocks")}");
             if (!File.Exists("bin\\Shadowsocks.exe"))
             {
                 return false;

Netch/Controllers/SSRController.cs

@@ -1,4 +1,5 @@
-using System;
+using Netch.Forms;
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.Threading;
@@ -25,6 +26,7 @@ namespace Netch.Controllers
         /// <returns>是否启动成功</returns>
         public bool Start(Models.Server server, Models.Mode mode)
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting ShadowsocksR")}");
             if (!File.Exists("bin\\ShadowsocksR.exe"))
             {
                 return false;

Netch/Controllers/TUNTAPController.cs

@@ -4,7 +4,7 @@ using System.IO;
 using System.Net;
 using System.Text;
 using System.Threading;
-
+using Netch.Forms;
 using Netch.Utils;
 
 namespace Netch.Controllers
@@ -32,6 +32,11 @@ namespace Netch.Controllers
         public Models.Server SavedServer = new Models.Server();
         public Models.Mode SavedMode = new Models.Mode();
 
+        /// <summary>
+        ///		本地 DNS 服务控制器
+        /// </summary>
+        public DNSController pDNSController = new DNSController();
+
         /// <summary>
         ///     配置 TUNTAP 适配器
         /// </summary>
@@ -58,6 +63,7 @@ namespace Netch.Controllers
         /// </summary>
         public bool SetupBypass()
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("SetupBypass")}");
             // 让服务器 IP 走直连
             foreach (var address in ServerAddresses)
             {
@@ -237,6 +243,7 @@ namespace Netch.Controllers
         /// <returns>是否成功</returns>
         public bool Start(Models.Server server, Models.Mode mode)
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting Tap")}");
             foreach (var proc in Process.GetProcessesByName("tun2socks"))
             {
                 try
@@ -292,7 +299,9 @@ namespace Netch.Controllers
             }
             else
             {
-                dns = "1.1.1.1,1.0.0.1";
+                pDNSController.Start();
+                dns = "127.0.0.1,127.0.0.1";
+                //dns = "1.1.1.1,1.0.0.1";
             }
 
             if (server.Type == "Socks5")
@@ -353,6 +362,7 @@ namespace Netch.Controllers
                 //pDNSController.Stop();
                 //修复点击停止按钮后再启动，DNS服务没监听的BUG
                 ClearBypass();
+                pDNSController.Stop();
             }
             catch (Exception e)
             {

Netch/Controllers/UpdateChecker.cs

@@ -26,7 +26,7 @@ namespace Netch.Controllers
 
         public const string Name = @"Netch";
         public const string Copyright = @"Copyright © 2019 - 2020";
-        public const string Version = @"1.3.8";
+        public const string Version = @"1.3.9";
 
         public async void Check(bool notifyNoFound, bool isPreRelease)
         {

Netch/Controllers/VMessController.cs

@@ -1,4 +1,5 @@
-using System;
+using Netch.Forms;
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
@@ -26,6 +27,7 @@ namespace Netch.Controllers
         /// <returns>是否启动成功</returns>
         public bool Start(Models.Server server, Models.Mode mode)
         {
+            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting V2ray")}");
             if (!File.Exists("bin\\v2ray.exe") || !File.Exists("bin\\v2ctl.exe"))
             {
                 return false;

Netch/Forms/MainForm.Designer.cs

@@ -78,6 +78,7 @@ namespace Netch.Forms
             this.SettingsButton = new System.Windows.Forms.Button();
             this.ProfileGroupBox = new System.Windows.Forms.GroupBox();
             this.ProfileTable = new System.Windows.Forms.TableLayoutPanel();
+            this.NatTypeStatusLabel = new System.Windows.Forms.ToolStripStatusLabel();
             this.MenuStrip.SuspendLayout();
             this.ConfigurationGroupBox.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.CopyLinkPictureBox)).BeginInit();
@@ -421,7 +422,8 @@ namespace Netch.Forms
             this.StatusLabel,
             this.UsedBandwidthLabel,
             this.DownloadSpeedLabel,
-            this.UploadSpeedLabel});
+            this.UploadSpeedLabel,
+            this.NatTypeStatusLabel});
             this.StatusStrip.Location = new System.Drawing.Point(0, 254);
             this.StatusStrip.Name = "StatusStrip";
             this.StatusStrip.Size = new System.Drawing.Size(629, 22);
@@ -534,6 +536,12 @@ namespace Netch.Forms
             this.ProfileTable.Size = new System.Drawing.Size(599, 43);
             this.ProfileTable.TabIndex = 0;
             // 
+            // NatTypeStatusLabel
+            // 
+            this.NatTypeStatusLabel.Name = "NatTypeStatusLabel";
+            this.NatTypeStatusLabel.Size = new System.Drawing.Size(109, 17);
+            this.NatTypeStatusLabel.Text = "";
+            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
@@ -623,5 +631,6 @@ namespace Netch.Forms
         private System.Windows.Forms.PictureBox EditModePictureBox;
         private System.Windows.Forms.PictureBox DeleteModePictureBox;
         private System.Windows.Forms.PictureBox CopyLinkPictureBox;
+        private System.Windows.Forms.ToolStripStatusLabel NatTypeStatusLabel;
     }
 }

Netch/Forms/MainForm.cs

@@ -41,6 +41,11 @@ namespace Netch.Forms
 
         public List<Button> ProfileButtons = new List<Button>();
 
+        /// <summary>
+        /// 主窗体的静态实例
+        /// </summary>
+        public static MainForm Instance = null;
+
         public MainForm()
         {
             InitializeComponent();
@@ -48,6 +53,7 @@ namespace Netch.Forms
 
             CheckForIllegalCrossThreadCalls = false;
             // MenuStrip.Renderer = new Override.ToolStripProfessionalRender();
+            Instance = this;
         }
 
         private void CheckUpdate()
@@ -556,6 +562,7 @@ namespace Netch.Forms
                         MenuStrip.Enabled = ConfigurationGroupBox.Enabled = ControlButton.Enabled = SettingsButton.Enabled = true;
                         ControlButton.Text = Utils.i18N.Translate("Start");
                         MainController.Stop();
+                        NatTypeStatusLabel.Text = "";
                     }
                     Utils.Configuration.Save();
                 }).ContinueWith(task =>
@@ -786,7 +793,10 @@ namespace Netch.Forms
                     var mode = ModeComboBox.SelectedItem as Models.Mode;
 
                     MainController = new MainController();
-                    if (MainController.Start(server, mode))
+
+                    var startResult = MainController.Start(server, mode);
+
+                    if (startResult)
                     {
                         // UsedBandwidthLabel.Visible = UploadSpeedLabel.Visible = DownloadSpeedLabel.Visible = true;
                         // MainController.pNFController.OnBandwidthUpdated += OnBandwidthUpdated;
@@ -883,6 +893,7 @@ namespace Netch.Forms
                     var mode = ModeComboBox.SelectedItem as Models.Mode;
 
                     MainController.Stop();
+                    NatTypeStatusLabel.Text = "";
 
                     // LastUploadBandwidth = 0;
                     // LastDownloadBandwidth = 0;
@@ -1201,5 +1212,13 @@ namespace Netch.Forms
                 MessageBox.Show(Utils.i18N.Translate("Please select a server first"), Utils.i18N.Translate("Information"), MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
         }
+        public void StatusText(string text)
+        {
+            StatusLabel.Text = text;
+        }
+        public void NatTypeStatusText(string text)
+        {
+            NatTypeStatusLabel.Text = "NatType:" + text;
+        }
     }
 }

Netch/Forms/SettingForm.Designer.cs

@@ -58,6 +58,10 @@
             this.StartWhenOpenedCheckBox = new System.Windows.Forms.CheckBox();
             this.StopWhenExitedCheckBox = new System.Windows.Forms.CheckBox();
             this.ExitWhenClosedCheckBox = new System.Windows.Forms.CheckBox();
+            this.label1 = new System.Windows.Forms.Label();
+            this.STUN_ServerTextBox = new System.Windows.Forms.TextBox();
+            this.label2 = new System.Windows.Forms.Label();
+            this.STUN_ServerPortTextBox = new System.Windows.Forms.TextBox();
             this.PortGroupBox.SuspendLayout();
             this.TUNTAPGroupBox.SuspendLayout();
             this.BehaviorGroupBox.SuspendLayout();
@@ -241,7 +245,7 @@
             // ControlButton
             // 
             this.ControlButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
-            this.ControlButton.Location = new System.Drawing.Point(357, 549);
+            this.ControlButton.Location = new System.Drawing.Point(357, 648);
             this.ControlButton.Name = "ControlButton";
             this.ControlButton.Size = new System.Drawing.Size(75, 23);
             this.ControlButton.TabIndex = 11;
@@ -252,7 +256,7 @@
             // GlobalBypassIPsButton
             // 
             this.GlobalBypassIPsButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.GlobalBypassIPsButton.Location = new System.Drawing.Point(12, 549);
+            this.GlobalBypassIPsButton.Location = new System.Drawing.Point(12, 648);
             this.GlobalBypassIPsButton.Name = "GlobalBypassIPsButton";
             this.GlobalBypassIPsButton.Size = new System.Drawing.Size(128, 23);
             this.GlobalBypassIPsButton.TabIndex = 10;
@@ -262,7 +266,11 @@
             // 
             // BehaviorGroupBox
             // 
+            this.BehaviorGroupBox.Controls.Add(this.STUN_ServerPortTextBox);
+            this.BehaviorGroupBox.Controls.Add(this.label2);
+            this.BehaviorGroupBox.Controls.Add(this.label1);
             this.BehaviorGroupBox.Controls.Add(this.RunAtStartup);
+            this.BehaviorGroupBox.Controls.Add(this.STUN_ServerTextBox);
             this.BehaviorGroupBox.Controls.Add(this.MinimizeWhenStartedCheckBox);
             this.BehaviorGroupBox.Controls.Add(this.ProfileCount_Label);
             this.BehaviorGroupBox.Controls.Add(this.ProfileCount_TextBox);
@@ -272,7 +280,7 @@
             this.BehaviorGroupBox.Controls.Add(this.ExitWhenClosedCheckBox);
             this.BehaviorGroupBox.Location = new System.Drawing.Point(12, 330);
             this.BehaviorGroupBox.Name = "BehaviorGroupBox";
-            this.BehaviorGroupBox.Size = new System.Drawing.Size(420, 213);
+            this.BehaviorGroupBox.Size = new System.Drawing.Size(420, 312);
             this.BehaviorGroupBox.TabIndex = 8;
             this.BehaviorGroupBox.TabStop = false;
             this.BehaviorGroupBox.Text = "Behavior";
@@ -358,11 +366,45 @@
             this.ExitWhenClosedCheckBox.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
             this.ExitWhenClosedCheckBox.UseVisualStyleBackColor = true;
             // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(9, 214);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(82, 17);
+            this.label1.TabIndex = 10;
+            this.label1.Text = "STUN Server";
+            // 
+            // STUN_ServerTextBox
+            // 
+            this.STUN_ServerTextBox.Location = new System.Drawing.Point(120, 211);
+            this.STUN_ServerTextBox.Name = "STUN_ServerTextBox";
+            this.STUN_ServerTextBox.Size = new System.Drawing.Size(294, 23);
+            this.STUN_ServerTextBox.TabIndex = 11;
+            this.STUN_ServerTextBox.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(9, 243);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(110, 17);
+            this.label2.TabIndex = 12;
+            this.label2.Text = "STUN Server Port";
+            // 
+            // STUN_ServerPortTextBox
+            // 
+            this.STUN_ServerPortTextBox.Location = new System.Drawing.Point(120, 237);
+            this.STUN_ServerPortTextBox.Name = "STUN_ServerPortTextBox";
+            this.STUN_ServerPortTextBox.Size = new System.Drawing.Size(294, 23);
+            this.STUN_ServerPortTextBox.TabIndex = 8;
+            this.STUN_ServerPortTextBox.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
+            // 
             // SettingForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
-            this.ClientSize = new System.Drawing.Size(444, 583);
+            this.ClientSize = new System.Drawing.Size(444, 682);
             this.Controls.Add(this.BehaviorGroupBox);
             this.Controls.Add(this.PortGroupBox);
             this.Controls.Add(this.GlobalBypassIPsButton);
@@ -419,5 +461,9 @@
         private System.Windows.Forms.TextBox ProfileCount_TextBox;
         private System.Windows.Forms.CheckBox MinimizeWhenStartedCheckBox;
         private System.Windows.Forms.CheckBox RunAtStartup;
+        private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.TextBox STUN_ServerTextBox;
+        private System.Windows.Forms.TextBox STUN_ServerPortTextBox;
     }
 }

Netch/Forms/SettingForm.cs

@@ -82,6 +82,8 @@ namespace Netch.Forms
             ProfileCount_Label.Text = Utils.i18N.Translate(ProfileCount_Label.Text);
 
             ProfileCount_TextBox.Text = Global.Settings.ProfileCount.ToString();
+            STUN_ServerTextBox.Text = Global.Settings.STUN_Server.ToString();
+            STUN_ServerPortTextBox.Text = Global.Settings.STUN_Server_Port.ToString();
 
             if (Global.Settings.TUNTAP.DNS.Count > 0)
             {
@@ -289,7 +291,7 @@ namespace Netch.Forms
             {
                 var ProfileCount = int.Parse(ProfileCount_TextBox.Text);
 
-                if (ProfileCount>0)
+                if (ProfileCount > 0)
                 {
                     Global.Settings.ProfileCount = ProfileCount;
                 }
@@ -305,6 +307,29 @@ namespace Netch.Forms
 
                 return;
             }
+            try
+            {
+                var STUN_Server = STUN_ServerTextBox.Text;
+                Global.Settings.STUN_Server = STUN_Server;
+
+                var STUN_ServerPort = int.Parse(STUN_ServerPortTextBox.Text);
+
+                if (STUN_ServerPort > 0)
+                {
+                    Global.Settings.STUN_Server_Port = STUN_ServerPort;
+                }
+                else
+                {
+                    throw new FormatException();
+                }
+            }
+            catch (FormatException)
+            {
+                ProfileCount_TextBox.Text = Global.Settings.ProfileCount.ToString();
+                MessageBox.Show(Utils.i18N.Translate("STUN_ServerPort value illegal. Try again."), Utils.i18N.Translate("Information"), MessageBoxButtons.OK, MessageBoxIcon.Information);
+
+                return;
+            }
 
             Global.Settings.TUNTAP.Address = TUNTAPAddressTextBox.Text;
             Global.Settings.TUNTAP.Netmask = TUNTAPNetmaskTextBox.Text;

Netch/Models/Setting.cs

@@ -138,5 +138,15 @@ namespace Netch.Models
         ///		快捷配置数量
         /// </summary>
         public int ProfileCount = 4;
+
+        /// <summary>
+        ///     STUN测试服务器
+        /// </summary>
+        public string STUN_Server = "stun.stunprotocol.org";
+
+        /// <summary>
+        ///     STUN测试服务器
+        /// </summary>
+        public int STUN_Server_Port = 3478;
     }
 }

Netch/Netch.csproj

@@ -65,6 +65,8 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="DNS" Version="5.0.0" />
+    <PackageReference Include="DnsClient" Version="1.2.0" />
     <PackageReference Include="ini-parser" Version="2.5.2" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="System.Buffers" Version="4.5.0" />

Netch/Resolver.cs

@@ -0,0 +1,59 @@
+using DNS.Protocol;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Netch
+{
+    public class Resolver : DNS.Client.RequestResolver.IRequestResolver
+    {
+        public Task<IResponse> Resolve(IRequest request)
+        {
+            IResponse response = Response.FromRequest(request);
+
+            foreach (var question in response.Questions)
+            {
+                if (question.Type == RecordType.A)
+                {
+                    var client = new DnsClient.LookupClient(DnsClient.NameServer.GooglePublicDns);
+                    client.UseTcpOnly = true;
+                    client.UseCache = true;
+
+                    try
+                    {
+                        var result = client.Query(question.Name.ToString(), DnsClient.QueryType.A);
+                        foreach (var item in result.Answers.ARecords())
+                        {
+                            response.AnswerRecords.Add(new DNS.Protocol.ResourceRecords.IPAddressResourceRecord(question.Name, item.Address));
+                        }
+                    }
+                    catch (Exception)
+                    {
+                        // 跳过
+                    }
+                }
+                else if (question.Type == RecordType.AAAA)
+                {
+                    var client = new DnsClient.LookupClient(DnsClient.NameServer.GooglePublicDns);
+                    client.UseTcpOnly = true;
+                    client.UseCache = true;
+
+                    try
+                    {
+                        var result = client.Query(question.Name.ToString(), DnsClient.QueryType.AAAA);
+                        foreach (var item in result.Answers.AaaaRecords())
+                        {
+                            response.AnswerRecords.Add(new DNS.Protocol.ResourceRecords.IPAddressResourceRecord(question.Name, item.Address));
+                        }
+                    }
+                    catch (Exception)
+                    {
+                        // 跳过
+                    }
+                }
+            }
+
+            return Task.FromResult(response);
+        }
+    }
+}

Netch/Resources/zh-CN

@@ -16,6 +16,16 @@
     "Started": "已启动",
     "Stopping": "正在停止中",
     "Stopped": "已停止",
+    "Starting Shadowsocks": "正在启动Shadowsocks",
+    "Starting ShadowsocksR": "正在启动ShadowsocksR",
+    "Starting V2ray": "正在启动V2ray",
+    "Starting Tap": "正在启动Tap",
+    "Starting NatTester": "正在启动Nat测试",
+    "Starting LocalDns service": "正在启动本地DNS服务",
+    "Starting Redirector": "正在启动Redirector",
+    "Starting netfilter2 Service": "正在启动netfilter2服务",
+    "Starting dns2tcp Service": "正在启动dns2tcp服务",
+    "SetupBypass": "设置绕行规则",
 
     "Server": "服务器",
     "Import Servers From Clipboard": "从剪贴板导入服务器",
@@ -134,6 +144,7 @@
     "Check update when opened": "打开软件时检查更新",
     "ProfileCount": "快捷配置数量（重启软件生效）",
     "ProfileCount value illegal. Try again.": "快捷配置数值非法。请重试。",
+    "STUN_ServerPort value illegal. Try again.": "STUN端口数值非法。请重试。",
     "TUN/TAP driver is not detected. Is it installed now?": "未检测到TUN/TAP驱动，是否现在安装？",
 
     "Profile": "配置名",

Netch/Utils/Configuration.cs

@@ -109,39 +109,45 @@ namespace Netch.Utils
             var AddressGot = false;
             foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
             {
-                var adapterProperties = adapter.GetIPProperties();
-                var p = adapterProperties.GetIPv4Properties();
-                Logging.Info($"检测适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {p.Index}");
-
-                // 通过索引查找对应适配器的 IPv4 地址
-                if (p.Index == Global.Adapter.Index)
+                try
                 {
-                    var AdapterIPs = "";
+                    var adapterProperties = adapter.GetIPProperties();
+                    var p = adapterProperties.GetIPv4Properties();
+                    Logging.Info($"检测适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {p.Index}");
 
-                    foreach (var ip in adapterProperties.UnicastAddresses)
+                    // 通过索引查找对应适配器的 IPv4 地址
+                    if (p.Index == Global.Adapter.Index)
                     {
-                        if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
+                        var AdapterIPs = "";
+
+                        foreach (var ip in adapterProperties.UnicastAddresses)
                         {
-                            AddressGot = true;
-                            Global.Adapter.Address = ip.Address;
-                            Logging.Info($"当前出口 IPv4 地址：{Global.Adapter.Address}");
-                            break;
+                            if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
+                            {
+                                AddressGot = true;
+                                Global.Adapter.Address = ip.Address;
+                                Logging.Info($"当前出口 IPv4 地址：{Global.Adapter.Address}");
+                                break;
+                            }
+                            AdapterIPs = $"{ip.Address} | ";
                         }
-                        AdapterIPs = $"{ip.Address} | ";
+
+                        if (!AddressGot)
+                        {
+                            if (AdapterIPs.Length > 3)
+                            {
+                                AdapterIPs = AdapterIPs.Substring(0, AdapterIPs.Length - 3);
+                                Logging.Info($"所有出口地址：{AdapterIPs}");
+                            }
+                            Logging.Info("出口无 IPv4 地址，当前只支持 IPv4 地址");
+                            return false;
+                        }
+                        break;
                     }
 
-                    if (!AddressGot)
-                    {
-                        if (AdapterIPs.Length > 3)
-                        {
-                            AdapterIPs = AdapterIPs.Substring(0, AdapterIPs.Length - 3);
-                            Logging.Info($"所有出口地址：{AdapterIPs}");
-                        }
-                        Logging.Info("出口无 IPv4 地址，当前只支持 IPv4 地址");
-                        return false;
-                    }
-                    break;
                 }
+                catch (Exception)
+                { }
             }
 
             if (!AddressGot)