v1.4.2

PortProxyGUI/About.Designer.cs

@@ -1,7 +1,7 @@
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+partial class About
 {
-    partial class About
-    {
     /// <summary>
     /// Required designer variable.
     /// </summary>
@@ -81,5 +81,4 @@
     private System.Windows.Forms.Label label1;
     private System.Windows.Forms.Label label_version;
     private System.Windows.Forms.Label label_Star;
-    }
 }

PortProxyGUI/About.cs

@@ -2,10 +2,10 @@
 using System.Diagnostics;
 using System.Windows.Forms;
 
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+public partial class About : Form
 {
-    public partial class About : Form
-    {
     public readonly PortProxyGUI PortProxyGUI;
 
     public About(PortProxyGUI portProxyGUI)
@@ -28,5 +28,4 @@ namespace PortProxyGUI
     {
         PortProxyGUI.AboutForm = null;
     }
-    }
 }

PortProxyGUI/Data/AppConfig.cs

@@ -3,12 +3,12 @@ using System.Drawing;
 using System.Linq;
 using System.Text.RegularExpressions;
 
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class AppConfig
 {
-    public class AppConfig
-    {
     public Size MainWindowSize = new(720, 500);
-        public int[] PortProxyColumnWidths = new int[] { 24, 64, 140, 100, 140, 100, 100 };
+    public int[] PortProxyColumnWidths = [24, 64, 140, 100, 140, 100, 100];
 
     private readonly Regex _intArrayRegex = new(@"^\[\s*(\d+)(?:\s*,\s*(\d+))*\s*\]$");
 
@@ -43,11 +43,10 @@ namespace PortProxyGUI.Data
 #if NETCOREAPP3_0_OR_GREATER 
                 PortProxyColumnWidths = Array.Empty<int>();
 #else
-                    PortProxyColumnWidths = new int[0];
+                PortProxyColumnWidths = [];
 #endif
             }
         }
     }
 
-    }
 }

PortProxyGUI/Data/ApplicationDbScope.cs

@@ -5,10 +5,10 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class ApplicationDbScope : SqliteScope<ApplicationDbScope>
 {
-    public class ApplicationDbScope : SqliteScope<ApplicationDbScope>
-    {
     public static readonly string AppDbDirectory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "PortProxyGUI");
     public static readonly string AppDbFile = Path.Combine(AppDbDirectory, "config.db");
 
@@ -109,5 +109,4 @@ namespace PortProxyGUI.Data
         Sql($"UPDATE Configs SET Value = {s_portProxyColumnWidths} WHERE Item = 'PortProxy' AND `Key` = 'ColumnWidths';");
     }
 
-    }
 }

PortProxyGUI/Data/Config.cs

@@ -1,9 +1,8 @@
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class Config
 {
-    public class Config
-    {
     public string Item { get; set; }
     public string Key { get; set; }
     public string Value { get; set; }
-    }
 }

PortProxyGUI/Data/Migration.cs

@@ -1,8 +1,7 @@
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class Migration
 {
-    public class Migration
-    {
     public string MigrationId { get; set; }
     public string ProductVersion { get; set; }
-    }
 }

PortProxyGUI/Data/MigrationKey.cs

@@ -1,8 +1,7 @@
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public struct MigrationKey
 {
-    public struct MigrationKey
-    {
     public string MigrationId { get; set; }
     public string ProductVersion { get; set; }
-    }
 }

PortProxyGUI/Data/MigrationUtil.cs

@@ -5,10 +5,10 @@ using System.Linq;
 using System.Reflection;
 using System.Windows.Forms;
 
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class MigrationUtil
 {
-    public class MigrationUtil
-    {
     public ApplicationDbScope DbScope { get; private set; }
 
     public MigrationUtil(ApplicationDbScope context)
@@ -67,8 +67,8 @@ Would you like to download it now?", "Upgrade", MessageBoxButtons.YesNo, Message
 
     public Dictionary<MigrationKey, string[]> History = new Dictionary<MigrationKey, string[]>
     {
-            [new MigrationKey { MigrationId = "202103021542", ProductVersion = "1.1.0" }] = new[]
+        [new MigrationKey { MigrationId = "202103021542", ProductVersion = "1.1.0" }] =
-            {
+        [
             @"CREATE TABLE rules
 (
     Id text PRIMARY KEY,
@@ -79,16 +79,16 @@ Would you like to download it now?", "Upgrade", MessageBoxButtons.YesNo, Message
     ConnectPort integer
 );",
             "CREATE UNIQUE INDEX IX_Rules_Type_ListenOn_ListenPort ON Rules(Type, ListenOn, ListenPort);",
-            },
+        ],
 
-            [new MigrationKey { MigrationId = "202201172103", ProductVersion = "1.2.0" }] = new[]
+        [new MigrationKey { MigrationId = "202201172103", ProductVersion = "1.2.0" }] =
-            {
+        [
             "ALTER TABLE rules ADD Note text;",
             "ALTER TABLE rules ADD `Group` text;",
-            },
+        ],
 
-            [new MigrationKey { MigrationId = "202202221635", ProductVersion = "1.3.0" }] = new[]
+        [new MigrationKey { MigrationId = "202202221635", ProductVersion = "1.3.0" }] =
-            {
+        [
             "ALTER TABLE rules RENAME TO rulesOld;",
             "DROP INDEX IX_Rules_Type_ListenOn_ListenPort;",
 
@@ -106,10 +106,10 @@ Would you like to download it now?", "Upgrade", MessageBoxButtons.YesNo, Message
 
             "INSERT INTO rules SELECT Id, Type, ListenOn, ListenPort, ConnectTo, ConnectPort, Note, `Group` FROM rulesOld;",
             "DROP TABLE rulesOld;",
-            },
+        ],
 
-            [new MigrationKey { MigrationId = "202303092024", ProductVersion = "1.4.0" }] = new[]
+        [new MigrationKey { MigrationId = "202303092024", ProductVersion = "1.4.0" }] =
-            {
+        [
             @"CREATE TABLE configs (
 	Item text,
 	`Key` text,
@@ -121,7 +121,6 @@ Would you like to download it now?", "Upgrade", MessageBoxButtons.YesNo, Message
 "INSERT INTO configs ( Item, `Key`, Value ) VALUES ( 'MainWindow', 'Width', '720' );",
 "INSERT INTO configs ( Item, `Key`, Value ) VALUES ( 'MainWindow', 'Height', '500' );",
 "INSERT INTO configs ( Item, `Key`, Value ) VALUES ( 'PortProxy', 'ColumnWidths', '[24, 64, 140, 100, 140, 100, 100]' );",
-            },
+        ],
     };
-    }
 }

PortProxyGUI/Data/Rule.cs

@@ -1,9 +1,9 @@
 using System;
 
-namespace PortProxyGUI.Data
+namespace PortProxyGUI.Data;
+
+public class Rule : IEquatable<Rule>
 {
-    public class Rule : IEquatable<Rule>
-    {
     public string Id { get; set; }
 
     public string Type { get; set; }
@@ -70,5 +70,4 @@ namespace PortProxyGUI.Data
     {
         return Equals(obj as Rule);
     }
-    }
 }

PortProxyGUI/Native/GenericRights.cs

@@ -1,13 +1,12 @@
 using System;
 
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+[Flags]
+internal enum GenericRights : uint
 {
-    [Flags]
-    internal enum GenericRights : uint
-    {
     GENERIC_READ = 0x80000000,
     GENERIC_WRITE = 0x40000000,
     GENERIC_EXECUTE = 0x20000000,
     GENERIC_ALL = 0x10000000,
-    }
 }

PortProxyGUI/Native/NativeMethods.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Runtime.InteropServices;
 
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+internal class NativeMethods
 {
-    internal class NativeMethods
-    {
     [DllImport("advapi32.dll", EntryPoint = "OpenSCManagerW", ExactSpelling = true, CharSet = CharSet.Unicode, SetLastError = true)]
     internal static extern IntPtr OpenSCManager(string machineName, string databaseName, uint dwAccess);
 
@@ -29,5 +29,4 @@ namespace PortProxyGUI.Native
     [return: MarshalAs(UnmanagedType.Bool)]
     internal static extern bool StartService(IntPtr hService, int dwNumServiceArgs, string[] lpServiceArgVectors);
 
-    }
 }

PortProxyGUI/Native/ScmRights.cs

@@ -1,7 +1,7 @@
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+internal enum ScmRights : uint
 {
-    internal enum ScmRights : uint
-    {
     SC_MANAGER_CONNECT = 0x0001,
     SC_MANAGER_CREATE_SERVICE = 0x0002,
     SC_MANAGER_ENUMERATE_SERVICE = 0x0004,
@@ -17,5 +17,4 @@
         | SC_MANAGER_LOCK
         | SC_MANAGER_QUERY_LOCK_STATUS
         | SC_MANAGER_MODIFY_BOOT_CONFIG
-    }
 }

PortProxyGUI/Native/ServiceControls.cs

@@ -1,10 +1,9 @@
 using System;
 
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+[Flags]
+internal enum ServiceControls : uint
 {
-    [Flags]
-    internal enum ServiceControls : uint
-    {
     SERVICE_CONTROL_PARAMCHANGE = 0x00000006,
-    }
 }

PortProxyGUI/Native/ServiceRights.cs

@@ -1,10 +1,10 @@
 using System;
 
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+[Flags]
+internal enum ServiceRights : uint
 {
-    [Flags]
-    internal enum ServiceRights : uint
-    {
     SERVICE_QUERY_CONFIG = 0x0001,
     SERVICE_CHANGE_CONFIG = 0x0002,
     SERVICE_QUERY_STATUS = 0x0004,
@@ -25,5 +25,4 @@ namespace PortProxyGUI.Native
         | SERVICE_PAUSE_CONTINUE
         | SERVICE_INTERROGATE
         | SERVICE_USER_DEFINED_CONTROL
-    }
 }

PortProxyGUI/Native/ServiceState.cs

@@ -1,7 +1,7 @@
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+internal enum ServiceState : int
 {
-    internal enum ServiceState : int
-    {
     SERVICE_STOPPED = 0x00000001,
     SERVICE_START_PENDING = 0x00000002,
     SERVICE_STOP_PENDING = 0x00000003,
@@ -9,5 +9,4 @@
     SERVICE_CONTINUE_PENDING = 0x00000005,
     SERVICE_PAUSE_PENDING = 0x00000006,
     SERVICE_PAUSED = 0x00000007,
-    }
 }

PortProxyGUI/Native/ServiceStatus.cs

@@ -1,10 +1,10 @@
 using System.Runtime.InteropServices;
 
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+[StructLayout(LayoutKind.Sequential)]
+internal struct ServiceStatus
 {
-    [StructLayout(LayoutKind.Sequential)]
-    internal struct ServiceStatus
-    {
     public uint dwServiceType;
     public ServiceState dwCurrentState;
     public uint dwControlsAccepted;
@@ -12,5 +12,4 @@ namespace PortProxyGUI.Native
     public uint dwServiceSpecificExitCode;
     public uint dwCheckPoint;
     public uint dwWaitHint;
-    }
 }

PortProxyGUI/Native/StandardRights.cs

@@ -1,7 +1,6 @@
-namespace PortProxyGUI.Native
+namespace PortProxyGUI.Native;
+
+internal enum StandardRights : uint
 {
-    internal enum StandardRights : uint
-    {
     STANDARD_RIGHTS_REQUIRED = 0x000F0000,
-    }
 }

PortProxyGUI/PortProxyGUI.Designer.cs

@@ -1,7 +1,7 @@
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+partial class PortProxyGUI
 {
-    partial class PortProxyGUI
-    {
     /// <summary>
     ///  Required designer variable.
     /// </summary>
@@ -296,6 +296,5 @@
     private System.Windows.Forms.StatusStrip statusStrip_Footer;
     private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel_Status;
     private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel_ServiceNotRunning;
-    }
 }
 

PortProxyGUI/PortProxyGUI.cs

@@ -9,10 +9,10 @@ using System.Linq;
 using System.Windows.Forms;
 using static System.Windows.Forms.ListViewItem;
 
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+public partial class PortProxyGUI : Form
 {
-    public partial class PortProxyGUI : Form
-    {
     private readonly ListViewColumnSorter lvwColumnSorter = new ListViewColumnSorter();
 
     public SetProxy SetProxyForm;
@@ -87,7 +87,7 @@ namespace PortProxyGUI
             try
             {
                 var rule = ParseRule(item);
-                    PortPorxyUtil.AddOrUpdateProxy(rule);
+                Util.AddOrUpdateProxy(rule);
             }
             catch (NotSupportedException ex)
             {
@@ -95,7 +95,7 @@ namespace PortProxyGUI
                 return;
             }
         }
-            PortPorxyUtil.ParamChange();
+        Util.ParamChange();
     }
 
     private void DisableSelectedProxies()
@@ -108,7 +108,7 @@ namespace PortProxyGUI
             try
             {
                 var rule = ParseRule(item);
-                    PortPorxyUtil.DeleteProxy(rule);
+                Util.DeleteProxy(rule);
             }
             catch (NotSupportedException ex)
             {
@@ -116,7 +116,7 @@ namespace PortProxyGUI
                 return;
             }
         }
-            PortPorxyUtil.ParamChange();
+        Util.ParamChange();
     }
 
     private void DeleteSelectedProxies()
@@ -199,7 +199,7 @@ namespace PortProxyGUI
 
     public void RefreshProxyList()
     {
-            var proxies = PortPorxyUtil.GetProxies();
+        var proxies = Util.GetProxies();
         var rules = Program.Database.Rules.ToArray();
         foreach (var proxy in proxies)
         {
@@ -223,7 +223,7 @@ namespace PortProxyGUI
         InitProxyItems(rules, proxies);
 
         // CheckServiceStatus
-            toolStripStatusLabel_ServiceNotRunning.Visible = !PortPorxyUtil.IsServiceRunning();
+        toolStripStatusLabel_ServiceNotRunning.Visible = !Util.IsServiceRunning();
     }
 
     private void contextMenuStrip_RightClick_MouseClick(object sender, MouseEventArgs e)
@@ -402,8 +402,7 @@ namespace PortProxyGUI
 
     private void toolStripStatusLabel_ServiceNotRunning_Click(object sender, EventArgs e)
     {
-            PortPorxyUtil.StartService();
+        Util.StartService();
         toolStripStatusLabel_ServiceNotRunning.Visible = false;
     }
-    }
 }

PortProxyGUI/Program.cs

@@ -1,18 +1,28 @@
 using PortProxyGUI.Data;
 using System;
 using System.IO;
+using System.Linq;
 using System.Windows.Forms;
 
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+static class Program
 {
-    static class Program
+    private static string GetPath(params string[] pathes)
     {
-        public static readonly ApplicationDbScope Database = ApplicationDbScope.FromFile(
+        if (!pathes.Any()) return string.Empty;
-            Path.Combine(
+
-                Path.Combine(
+#if NET6_0_OR_GREATER || NET451_OR_GREATER
+        return Path.Combine(pathes);
+#else
+        return pathes.Aggregate(Path.Combine);
+#endif
+    }
+
+    public static ApplicationDbScope Database { get; } = ApplicationDbScope.FromFile(GetPath(
         Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
-                    "PortProxyGUI"
+        "PortProxyGUI",
-                ), "config.db"
+        "config.db"
     ));
 
     /// <summary>
@@ -37,5 +47,4 @@ namespace PortProxyGUI
 
         Application.Run(new PortProxyGUI());
     }
-    }
 }

PortProxyGUI/SetProxy.Designer.cs

@@ -1,7 +1,7 @@
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+partial class SetProxy
 {
-    partial class SetProxy
-    {
     /// <summary>
     /// Required designer variable.
     /// </summary>
@@ -180,5 +180,4 @@
     private System.Windows.Forms.TextBox textBox_Comment;
     private System.Windows.Forms.Label label_Group;
     private System.Windows.Forms.ComboBox comboBox_Group;
-    }
 }

PortProxyGUI/SetProxy.cs

@@ -6,10 +6,10 @@ using System.Linq;
 using System.Text.RegularExpressions;
 using System.Windows.Forms;
 
-namespace PortProxyGUI
+namespace PortProxyGUI;
+
+public partial class SetProxy : Form
 {
-    public partial class SetProxy : Form
-    {
     public readonly PortProxyGUI ParentWindow;
     private string AutoTypeString { get; }
 
@@ -115,22 +115,22 @@ namespace PortProxyGUI
         if (_updateMode)
         {
             var oldRule = Program.Database.GetRule(_itemRule.Type, _itemRule.ListenOn, _itemRule.ListenPort);
-                PortPorxyUtil.DeleteProxy(oldRule);
+            Util.DeleteProxy(oldRule);
             Program.Database.Remove(oldRule);
 
-                PortPorxyUtil.AddOrUpdateProxy(rule);
+            Util.AddOrUpdateProxy(rule);
             Program.Database.Add(rule);
 
             ParentWindow.UpdateListViewItem(_listViewItem, rule, 1);
         }
         else
         {
-                PortPorxyUtil.AddOrUpdateProxy(rule);
+            Util.AddOrUpdateProxy(rule);
             Program.Database.Add(rule);
 
             ParentWindow.RefreshProxyList();
         }
-            PortPorxyUtil.ParamChange();
+        Util.ParamChange();
 
         Close();
     }
@@ -146,5 +146,4 @@ namespace PortProxyGUI
         ParentWindow.SetProxyForm = null;
     }
 
-    }
 }

PortProxyGUI/UI/ListViewColumnSorter.cs

@@ -1,10 +1,10 @@
 using System.Collections;
 using System.Windows.Forms;
 
-namespace PortProxyGUI.UI
+namespace PortProxyGUI.UI;
+
+public class ListViewColumnSorter : IComparer
 {
-    public class ListViewColumnSorter : IComparer
-    {
     /// <summary>
     /// Specifies the column to be sorted
     /// </summary>
@@ -107,5 +107,4 @@ namespace PortProxyGUI.UI
         }
     }
 
-    }
 }

PortProxyGUI/Utils/DnsUtil.cs

@@ -1,15 +1,14 @@
 using PortProxyGUI.Native;
 using System;
 
-namespace PortProxyGUI.Utils
+namespace PortProxyGUI.Utils;
+
+internal class DnsUtil
 {
-    internal class DnsUtil
-    {
     public static void FlushCache()
     {
         var status = NativeMethods.DnsFlushResolverCache();
         if (status == 0) throw new InvalidOperationException("Flush DNS Cache failed.");
     }
 
-    }
 }

PortProxyGUI/Utils/PortPorxyUtil.cs

@@ -1,149 +0,0 @@
-using Microsoft.Win32;
-using PortProxyGUI.Data;
-using PortProxyGUI.Native;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace PortProxyGUI.Utils
-{
-    public static class PortPorxyUtil
-    {
-        internal static readonly string ServiceName = "iphlpsvc";
-        internal static readonly string ServiceFriendlyName = "IP Helper";
-
-        private static InvalidOperationException InvalidPortProxyType(string type) => new($"Invalid port proxy type ({type}).");
-        private static readonly string[] ProxyTypes = new[] { "v4tov4", "v4tov6", "v6tov4", "v6tov6" };
-
-        private static string GetKeyName(string type)
-        {
-            return $@"SYSTEM\CurrentControlSet\Services\PortProxy\{type}\tcp";
-        }
-
-        public static Rule[] GetProxies()
-        {
-            var ruleList = new List<Rule>();
-            foreach (var type in ProxyTypes)
-            {
-                var keyName = GetKeyName(type);
-                var key = Registry.LocalMachine.OpenSubKey(keyName);
-
-                if (key is not null)
-                {
-                    foreach (var name in key.GetValueNames())
-                    {
-                        var listenParts = name.Split('/');
-                        var listenOn = listenParts[0];
-                        if (!int.TryParse(listenParts[1], out var listenPort)) continue;
-
-                        var connectParts = key.GetValue(name).ToString().Split('/');
-                        var connectTo = connectParts[0];
-                        if (!int.TryParse(connectParts[1], out var connectPort)) continue;
-
-                        ruleList.Add(new Rule
-                        {
-                            Type = type,
-                            ListenOn = listenOn,
-                            ListenPort = listenPort,
-                            ConnectTo = connectTo,
-                            ConnectPort = connectPort,
-                        });
-                    }
-                }
-            }
-            return ruleList.ToArray();
-        }
-
-        public static void AddOrUpdateProxy(Rule rule)
-        {
-            // $"netsh interface portproxy add {rule.Type} listenaddress={rule.ListenOn} listenport={rule.ListenPort} connectaddress={rule.ConnectTo} connectport={rule.ConnectPort}"
-
-            if (!ProxyTypes.Contains(rule.Type)) throw InvalidPortProxyType(rule.Type);
-
-            var keyName = GetKeyName(rule.Type);
-            var key = Registry.LocalMachine.OpenSubKey(keyName, true);
-            var name = $"{rule.ListenOn}/{rule.ListenPort}";
-            var value = $"{rule.ConnectTo}/{rule.ConnectPort}";
-
-            if (key is null) Registry.LocalMachine.CreateSubKey(keyName);
-            key = Registry.LocalMachine.OpenSubKey(keyName, true);
-            key?.SetValue(name, value);
-        }
-
-        public static void DeleteProxy(Rule rule)
-        {
-            // $"netsh interface portproxy delete {rule.Type} listenaddress={rule.ListenOn} listenport={rule.ListenPort}"
-
-            if (!ProxyTypes.Contains(rule.Type)) throw InvalidPortProxyType(rule.Type);
-
-            var keyName = GetKeyName(rule.Type);
-            var key = Registry.LocalMachine.OpenSubKey(keyName, true);
-            var name = $"{rule.ListenOn}/{rule.ListenPort}";
-
-            try
-            {
-                key?.DeleteValue(name);
-            }
-            catch { }
-        }
-
-        public static bool IsServiceRunning()
-        {
-            var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ);
-            if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
-
-            var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_QUERY_STATUS);
-            if (hService == IntPtr.Zero)
-            {
-                NativeMethods.CloseServiceHandle(hManager);
-                throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
-            }
-
-            var status = new ServiceStatus();
-            NativeMethods.QueryServiceStatus(hService, ref status);
-
-            NativeMethods.CloseServiceHandle(hService);
-            NativeMethods.CloseServiceHandle(hManager);
-
-            return status.dwCurrentState == ServiceState.SERVICE_RUNNING;
-        }
-
-        public static void StartService()
-        {
-            var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ | (uint)ScmRights.SC_MANAGER_CONNECT);
-            if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
-
-            var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_START);
-            if (hService == IntPtr.Zero)
-            {
-                NativeMethods.CloseServiceHandle(hManager);
-                throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
-            }
-
-            NativeMethods.StartService(hService, 0, null);
-
-            NativeMethods.CloseServiceHandle(hService);
-            NativeMethods.CloseServiceHandle(hManager);
-        }
-
-        public static void ParamChange()
-        {
-            var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ);
-            if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
-
-            var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_PAUSE_CONTINUE);
-            if (hService == IntPtr.Zero)
-            {
-                NativeMethods.CloseServiceHandle(hManager);
-                throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
-            }
-
-            var status = new ServiceStatus();
-            NativeMethods.ControlService(hService, ServiceControls.SERVICE_CONTROL_PARAMCHANGE, ref status);
-
-            NativeMethods.CloseServiceHandle(hService);
-            NativeMethods.CloseServiceHandle(hManager);
-        }
-
-    }
-}

PortProxyGUI/Utils/Util.cs

@@ -0,0 +1,148 @@
+using Microsoft.Win32;
+using PortProxyGUI.Data;
+using PortProxyGUI.Native;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace PortProxyGUI.Utils;
+
+public static class Util
+{
+    internal static readonly string ServiceName = "iphlpsvc";
+    internal static readonly string ServiceFriendlyName = "IP Helper";
+
+    private static InvalidOperationException InvalidPortProxyType(string type) => new($"Invalid port proxy type ({type}).");
+    private static readonly string[] ProxyTypes = ["v4tov4", "v4tov6", "v6tov4", "v6tov6"];
+
+    private static string GetKeyName(string type)
+    {
+        return $@"SYSTEM\CurrentControlSet\Services\PortProxy\{type}\tcp";
+    }
+
+    public static Rule[] GetProxies()
+    {
+        var ruleList = new List<Rule>();
+        foreach (var type in ProxyTypes)
+        {
+            var keyName = GetKeyName(type);
+            var key = Registry.LocalMachine.OpenSubKey(keyName);
+
+            if (key is not null)
+            {
+                foreach (var name in key.GetValueNames())
+                {
+                    var listenParts = name.Split('/');
+                    var listenOn = listenParts[0];
+                    if (!int.TryParse(listenParts[1], out var listenPort)) continue;
+
+                    var connectParts = key.GetValue(name).ToString().Split('/');
+                    var connectTo = connectParts[0];
+                    if (!int.TryParse(connectParts[1], out var connectPort)) continue;
+
+                    ruleList.Add(new Rule
+                    {
+                        Type = type,
+                        ListenOn = listenOn,
+                        ListenPort = listenPort,
+                        ConnectTo = connectTo,
+                        ConnectPort = connectPort,
+                    });
+                }
+            }
+        }
+        return [.. ruleList];
+    }
+
+    public static void AddOrUpdateProxy(Rule rule)
+    {
+        // $"netsh interface portproxy add {rule.Type} listenaddress={rule.ListenOn} listenport={rule.ListenPort} connectaddress={rule.ConnectTo} connectport={rule.ConnectPort}"
+
+        if (!ProxyTypes.Contains(rule.Type)) throw InvalidPortProxyType(rule.Type);
+
+        var keyName = GetKeyName(rule.Type);
+        var key = Registry.LocalMachine.OpenSubKey(keyName, true);
+        var name = $"{rule.ListenOn}/{rule.ListenPort}";
+        var value = $"{rule.ConnectTo}/{rule.ConnectPort}";
+
+        if (key is null) Registry.LocalMachine.CreateSubKey(keyName);
+        key = Registry.LocalMachine.OpenSubKey(keyName, true);
+        key?.SetValue(name, value);
+    }
+
+    public static void DeleteProxy(Rule rule)
+    {
+        // $"netsh interface portproxy delete {rule.Type} listenaddress={rule.ListenOn} listenport={rule.ListenPort}"
+
+        if (!ProxyTypes.Contains(rule.Type)) throw InvalidPortProxyType(rule.Type);
+
+        var keyName = GetKeyName(rule.Type);
+        var key = Registry.LocalMachine.OpenSubKey(keyName, true);
+        var name = $"{rule.ListenOn}/{rule.ListenPort}";
+
+        try
+        {
+            key?.DeleteValue(name);
+        }
+        catch { }
+    }
+
+    public static bool IsServiceRunning()
+    {
+        var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ);
+        if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
+
+        var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_QUERY_STATUS);
+        if (hService == IntPtr.Zero)
+        {
+            NativeMethods.CloseServiceHandle(hManager);
+            throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
+        }
+
+        var status = new ServiceStatus();
+        NativeMethods.QueryServiceStatus(hService, ref status);
+
+        NativeMethods.CloseServiceHandle(hService);
+        NativeMethods.CloseServiceHandle(hManager);
+
+        return status.dwCurrentState == ServiceState.SERVICE_RUNNING;
+    }
+
+    public static void StartService()
+    {
+        var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ | (uint)ScmRights.SC_MANAGER_CONNECT);
+        if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
+
+        var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_START);
+        if (hService == IntPtr.Zero)
+        {
+            NativeMethods.CloseServiceHandle(hManager);
+            throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
+        }
+
+        NativeMethods.StartService(hService, 0, null);
+
+        NativeMethods.CloseServiceHandle(hService);
+        NativeMethods.CloseServiceHandle(hManager);
+    }
+
+    public static void ParamChange()
+    {
+        var hManager = NativeMethods.OpenSCManager(null, null, (uint)GenericRights.GENERIC_READ);
+        if (hManager == IntPtr.Zero) throw new InvalidOperationException("Open SC Manager failed.");
+
+        var hService = NativeMethods.OpenService(hManager, ServiceName, ServiceRights.SERVICE_PAUSE_CONTINUE);
+        if (hService == IntPtr.Zero)
+        {
+            NativeMethods.CloseServiceHandle(hManager);
+            throw new InvalidOperationException($"Open Service ({ServiceName}) failed.");
+        }
+
+        var status = new ServiceStatus();
+        NativeMethods.ControlService(hService, ServiceControls.SERVICE_CONTROL_PARAMCHANGE, ref status);
+
+        NativeMethods.CloseServiceHandle(hService);
+        NativeMethods.CloseServiceHandle(hManager);
+    }
+
+}