✨ 添加NAT检测功能，特别感谢@HMBSbige大佬的轮子

修复程序启动崩溃，增加tun/tap相关的log

Netch/Controllers/DNSController.cs

@@ -1,37 +0,0 @@
-using System;
-using System.Net;
-
-namespace Netch.Controllers
-{
-    public class DNSController
-    {
-        public static DNS.Server.DnsServer Server = new DNS.Server.DnsServer(new Resolver());
-
-        public bool Start()
-        {
-            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

@@ -51,25 +51,30 @@ namespace Netch.Controllers
         /// </summary>
         public TUNTAPController pTUNTAPController;
 
+        /// <summary>
+        ///		NTT 控制器
+        /// </summary>
+        public NTTController pNTTController;
+
         /// <summary>
         ///		启动
         /// </summary>
         /// <param name="server">服务器</param>
         /// <param name="mode">模式</param>
         /// <returns>是否启动成功</returns>
-        public bool Start(Models.Server server, Models.Mode mode)
+        public (bool, string) Start(Models.Server server, Models.Mode mode)
         {
-            var result = false;
+            var result = (false, "");
             switch (server.Type)
             {
                 case "Socks5":
                     if (mode.Type == 4)
                     {
-                        result = false;
+                        result = (false, null);
                     }
                     else
                     {
-                        result = true;
+                        result = (true, null);
                     }
                     break;
                 case "SS":
@@ -78,7 +83,7 @@ namespace Netch.Controllers
                     {
                         pSSController = new SSController();
                     }
-                    result = pSSController.Start(server, mode);
+                    result = (pSSController.Start(server, mode), null);
                     break;
                 case "SSR":
                     KillProcess("ShadowsocksR");
@@ -86,7 +91,7 @@ namespace Netch.Controllers
                     {
                         pSSRController = new SSRController();
                     }
-                    result = pSSRController.Start(server, mode);
+                    result = (pSSRController.Start(server, mode), null);
                     break;
                 case "VMess":
                     KillProcess("v2ray");
@@ -94,11 +99,11 @@ namespace Netch.Controllers
                     {
                         pVMessController = new VMessController();
                     }
-                    result = pVMessController.Start(server, mode);
+                    result = (pVMessController.Start(server, mode), null);
                     break;
             }
 
-            if (result)
+            if (result.Item1)
             {
                 if (mode.Type == 0)
                 {
@@ -106,8 +111,12 @@ 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);
+                    result = (pNFController.Start(server, mode), pNTTController.Start().Item2);
                 }
                 else if (mode.Type == 1)
                 {
@@ -115,8 +124,12 @@ 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);
+                    result = (pTUNTAPController.Start(server, mode), pNTTController.Start().Item2);
                 }
                 else if (mode.Type == 2)
                 {
@@ -124,8 +137,12 @@ 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);
+                    result = (pTUNTAPController.Start(server, mode), pNTTController.Start().Item2);
                 }
                 else if (mode.Type == 3 || mode.Type == 5)
                 {
@@ -134,7 +151,7 @@ namespace Netch.Controllers
                         pHTTPController = new HTTPController();
                     }
                     // HTTP 系统代理和 Socks5 和 HTTP 代理模式，启动 HTTP 控制器
-                    result = pHTTPController.Start(server, mode);
+                    result = (pHTTPController.Start(server, mode), null);
                 }
                 else if (mode.Type == 4)
                 {
@@ -142,11 +159,11 @@ namespace Netch.Controllers
                 }
                 else
                 {
-                    result = false;
+                    result = (false, null);
                 }
             }
 
-            if (!result)
+            if (!result.Item1)
             {
                 Stop();
             }
@@ -171,7 +188,7 @@ namespace Netch.Controllers
             {
                 pVMessController.Stop();
             }
-            
+
             if (pNFController != null)
             {
                 pNFController.Stop();
@@ -184,10 +201,15 @@ 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 +220,7 @@ 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

@@ -114,6 +114,8 @@ namespace Netch.Controllers
             }
 
             var processes = "";
+
+            mode.Rule.Add("NTT.exe");
             foreach (var proc in mode.Rule)
             {
                 processes += proc;

Netch/Controllers/NTTController.cs

@@ -0,0 +1,93 @@
+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()
+        {
+            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];
+
+                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/TUNTAPController.cs

@@ -5,6 +5,8 @@ using System.Net;
 using System.Text;
 using System.Threading;
 
+using Netch.Utils;
+
 namespace Netch.Controllers
 {
     public class TUNTAPController
@@ -30,11 +32,6 @@ 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>
@@ -269,12 +266,16 @@ namespace Netch.Controllers
             {
                 return false;
             }
-            
+
+            Logging.Info("设置绕行规则");
             SetupBypass();
+            Logging.Info("设置绕行规则完毕");
 
             Instance = new Process();
             Instance.StartInfo.WorkingDirectory = string.Format("{0}\\bin", Directory.GetCurrentDirectory());
             Instance.StartInfo.FileName = string.Format("{0}\\bin\\tun2socks.exe", Directory.GetCurrentDirectory());
+            var adapterName = TUNTAP.GetName(Global.TUNTAP.ComponentID);
+            Logging.Info($"tun2sock使用适配器：{adapterName}");
 
             string dns;
             if (Global.Settings.TUNTAP.UseCustomDNS)
@@ -291,18 +292,17 @@ namespace Netch.Controllers
             }
             else
             {
-                pDNSController.Start();
-                dns = "127.0.0.1";
+                dns = "1.1.1.1,1.0.0.1";
             }
 
             if (server.Type == "Socks5")
             {
-                Instance.StartInfo.Arguments = string.Format("-proxyServer {0}:{1} -tunAddr {2} -tunMask {3} -tunGw {4} -tunDns {5} -tunName \"{6}\"", server.Hostname, server.Port, Global.Settings.TUNTAP.Address, Global.Settings.TUNTAP.Netmask, Global.Settings.TUNTAP.Gateway, dns, Global.TUNTAP.Adapter.Name);
+                Instance.StartInfo.Arguments = string.Format("-proxyServer {0}:{1} -tunAddr {2} -tunMask {3} -tunGw {4} -tunDns {5} -tunName \"{6}\"", server.Hostname, server.Port, Global.Settings.TUNTAP.Address, Global.Settings.TUNTAP.Netmask, Global.Settings.TUNTAP.Gateway, dns, adapterName);
             }
             else
             {
-                Instance.StartInfo.Arguments = string.Format("-proxyServer 127.0.0.1:{0} -tunAddr {1} -tunMask {2} -tunGw {3} -tunDns {4} -tunName \"{5}\"", Global.Settings.Socks5LocalPort, Global.Settings.TUNTAP.Address, Global.Settings.TUNTAP.Netmask, Global.Settings.TUNTAP.Gateway, dns, Global.TUNTAP.Adapter.Name);
-            }
+                Instance.StartInfo.Arguments = string.Format("-proxyServer 127.0.0.1:{0} -tunAddr {1} -tunMask {2} -tunGw {3} -tunDns {4} -tunName \"{5}\"", Global.Settings.Socks5LocalPort, Global.Settings.TUNTAP.Address, Global.Settings.TUNTAP.Netmask, Global.Settings.TUNTAP.Gateway, dns, adapterName);
+            } 
 
             Instance.StartInfo.CreateNoWindow = true;
             Instance.StartInfo.RedirectStandardError = true;

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

@@ -556,6 +556,7 @@ 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 +787,18 @@ namespace Netch.Forms
                     var mode = ModeComboBox.SelectedItem as Models.Mode;
 
                     MainController = new MainController();
-                    if (MainController.Start(server, mode))
+
+                    var startResult = MainController.Start(server, mode);//item1是否启动成功，item2nat类型
+                    if (startResult.Item2 != null)
+                    {
+                        NatTypeStatusLabel.Text = "NatType:" + startResult.Item2;
+                    }
+                    else
+                    {
+                        NatTypeStatusLabel.Text = "";
+                    }
+
+                    if (startResult.Item1)
                     {
                         // UsedBandwidthLabel.Visible = UploadSpeedLabel.Visible = DownloadSpeedLabel.Visible = true;
                         // MainController.pNFController.OnBandwidthUpdated += OnBandwidthUpdated;
@@ -883,6 +895,7 @@ namespace Netch.Forms
                     var mode = ModeComboBox.SelectedItem as Models.Mode;
 
                     MainController.Stop();
+                    NatTypeStatusLabel.Text = "";
 
                     // LastUploadBandwidth = 0;
                     // LastDownloadBandwidth = 0;

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.cs

@@ -24,7 +24,17 @@ namespace Netch
                 // 清理上一次的日志文件，防止淤积占用磁盘空间
                 if (Directory.Exists("logging"))
                 {
-                    Directory.Delete("logging", true);
+                    DirectoryInfo directory = new DirectoryInfo("logging");
+
+                    foreach (FileInfo file in directory.GetFiles())
+                    {
+                        file.Delete();
+                    }
+
+                    foreach (DirectoryInfo dir in directory.GetDirectories())
+                    {
+                        dir.Delete(true);
+                    }
                 }
 
                 // 预创建目录

Netch/Netch.csproj

@@ -65,8 +65,6 @@
   </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

@@ -1,59 +0,0 @@
-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

@@ -134,6 +134,7 @@
     "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

@@ -105,15 +105,17 @@ namespace Netch.Utils
                 return false;
             }
 
+            Logging.Info($"搜索适配器index：{Global.Adapter.Index}");
+            var AddressGot = false;
             foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
             {
                 var adapterProperties = adapter.GetIPProperties();
                 var p = adapterProperties.GetIPv4Properties();
+                Logging.Info($"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)
                 {
-                    var AddressGot = false;
                     var AdapterIPs = "";
 
                     foreach (var ip in adapterProperties.UnicastAddresses)
@@ -142,6 +144,12 @@ namespace Netch.Utils
                 }
             }
 
+            if (!AddressGot)
+            {
+                Logging.Info("无法找到当前使用适配器");
+                return false;
+            }
+
             // 搜索 TUN/TAP 适配器的索引
             Global.TUNTAP.ComponentID = TUNTAP.GetComponentID();
             if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID))
@@ -165,18 +173,21 @@ namespace Netch.Utils
                 // return false;
             }
 
-            var name = TUNTAP.GetName(Global.TUNTAP.ComponentID);
             foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
             {
-                if (adapter.Name == name)
+                if (adapter.Id == Global.TUNTAP.ComponentID)
                 {
                     Global.TUNTAP.Adapter = adapter;
                     Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
 
-                    break;
+                    Logging.Info($"找到适配器：{adapter.Id}");
+
+                    return true;
                 }
             }
-            return true;
+
+            Logging.Info("无法找到出口");
+            return false;
         }
     }
 }