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https://github.com/netchx/netch.git
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replace eycorsican/go-tun2socks with aiocloud/tun2socks(WinTUN)
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ChsBuffer
306
Netch/Controllers/TUNController.cs
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306
Netch/Controllers/TUNController.cs
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using Netch.Models;
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using Netch.Servers.Socks5;
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using Netch.Utils;
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using Vanara.PInvoke;
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using static Vanara.PInvoke.IpHlpApi;
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using static Vanara.PInvoke.Ws2_32;
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namespace Netch.Controllers
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{
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public class TUNController : Guard, IModeController
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{
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private readonly List<string> _directIPs = new();
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private readonly List<string> _proxyIPs = new();
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/// <summary>
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/// 服务器 IP 地址
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/// </summary>
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private IPAddress _serverAddresses = null!;
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/// <summary>
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/// 本地 DNS 服务控制器
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/// </summary>
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public DNSController DNSController = new();
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protected override IEnumerable<string> StartedKeywords { get; set; } = new[] {"Started"};
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protected override IEnumerable<string> StoppedKeywords { get; set; } = new List<string>();
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public override string MainFile { get; protected set; } = "tun2socks.exe";
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protected override Encoding InstanceOutputEncoding { get; } = Encoding.UTF8;
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public override string Name { get; } = "tun2socks";
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private readonly OutboundAdapter _outboundAdapter = new();
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private IAdapter _tunAdapter = null!;
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public void Start(in Mode mode)
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{
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var server = MainController.Server!;
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_serverAddresses = DnsUtils.Lookup(server.Hostname)!; // server address have been cached when MainController.Start
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var parameter = new WinTun2socksParameter();
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if (server is Socks5 socks5)
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{
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parameter.hostname = $"{server.AutoResolveHostname()}:{server.Port}";
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if (socks5.Auth())
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{
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parameter.username = socks5.Username!;
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parameter.password = socks5.Password!;
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}
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}
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else
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parameter.hostname = $"127.0.0.1:{Global.Settings.Socks5LocalPort}";
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MainFile = "tun2socks.exe";
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StartInstanceAuto(parameter.ToString());
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_tunAdapter = new TunAdapter();
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/*
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InitializeUnicastIpAddressEntry(out var addr_row);
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CreateUnicastIpAddressEntry(ref addr_row);
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*/
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Utils.Utils.ProcessRunHiddenAsync("netsh", "interface ipv4 add address aioCloud 100.64.0.100 255.255.255.0").Wait();
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Utils.Utils.ProcessRunHiddenAsync("route", "print -4", false).Wait();
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SetupRouteTable(mode);
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}
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/// <summary>
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/// TUN/TAP停止
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/// </summary>
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public override void Stop()
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{
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var tasks = new[]
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{
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Task.Run(StopInstance),
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Task.Run(ClearRouteTable),
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Task.Run(DNSController.Stop)
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};
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Task.WaitAll(tasks);
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}
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/// <summary>
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/// 设置绕行规则
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/// </summary>
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/// <returns>是否设置成功</returns>
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private void SetupRouteTable(Mode mode)
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{
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Global.MainForm.StatusText(i18N.Translate("SetupBypass"));
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Logging.Info("设置路由规则");
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Logging.Info("绕行 → 服务器 IP");
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if (!IPAddress.IsLoopback(_serverAddresses))
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RouteAction(Action.Create, $"{_serverAddresses}/32", RouteType.Outbound);
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Logging.Info("绕行 → 全局绕过 IP");
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RouteAction(Action.Create, Global.Settings.BypassIPs, RouteType.Outbound);
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#region Rule IPs
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switch (mode.Type)
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{
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case 1:
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// 代理规则 IP
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Logging.Info("代理 → 规则 IP");
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RouteAction(Action.Create, mode.FullRule, RouteType.TUNTAP);
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if (Global.Settings.WinTUN.ProxyDNS)
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{
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Logging.Info("代理 → 自定义 DNS");
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if (Global.Settings.WinTUN.UseCustomDNS)
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RouteAction(Action.Create, Global.Settings.WinTUN.DNS.Select(ip => $"{ip}/32"), RouteType.TUNTAP);
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else
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RouteAction(Action.Create, $"{Global.Settings.AioDNS.OtherDNS}/32", RouteType.TUNTAP);
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}
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break;
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case 2:
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// 绕过规则 IP
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Logging.Info("绕行 → 规则 IP");
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RouteAction(Action.Create, mode.FullRule, RouteType.Outbound);
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break;
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}
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#endregion
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if (mode.Type == 2)
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{
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Logging.Info("代理 → 全局");
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SetInterface(RouteType.TUNTAP, 0);
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RouteAction(Action.Create, "0.0.0.0/0", RouteType.TUNTAP);
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}
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}
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private void SetInterface(RouteType routeType, int? metric = null)
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{
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var adapter = routeType == RouteType.Outbound ? _outboundAdapter : _tunAdapter;
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var arguments = $"interface ip set interface {adapter.InterfaceIndex} ";
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if (metric != null)
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arguments += $"metric={metric} ";
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Utils.Utils.ProcessRunHiddenAsync("netsh", arguments).Wait();
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}
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/// <summary>
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/// 清除绕行规则
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/// </summary>
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private bool ClearRouteTable()
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{
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var mode = MainController.Mode!;
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RouteAction(Action.Delete, _directIPs, RouteType.Outbound);
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RouteAction(Action.Delete, _proxyIPs, RouteType.TUNTAP);
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_directIPs.Clear();
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_proxyIPs.Clear();
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if (mode.Type == 2)
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{
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SetInterface(RouteType.Outbound);
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}
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return true;
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}
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public bool TestFakeDNS()
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{
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try
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{
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InitInstance("-h");
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Instance!.Start();
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return Instance.StandardError.ReadToEnd().Contains("-fakeDns");
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}
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catch
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{
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return false;
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}
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}
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#region Package
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private void RouteAction(Action action, in IEnumerable<string> ipNetworks, RouteType routeType, int metric = 0)
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{
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foreach (var address in ipNetworks)
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RouteAction(action, address, routeType, metric);
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}
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private bool RouteAction(Action action, in string ipNetwork, RouteType routeType, int metric = 0)
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{
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var s = ipNetwork.Split('/');
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if (s.Length != 2)
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{
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Logging.Warning($"Failed to parse rule {ipNetwork}");
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return false;
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}
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IAdapter adapter;
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List<string> ipList;
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switch (routeType)
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{
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case RouteType.TUNTAP:
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adapter = _tunAdapter;
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ipList = _proxyIPs;
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break;
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case RouteType.Outbound:
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adapter = _outboundAdapter;
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ipList = _directIPs;
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break;
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default:
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throw new ArgumentOutOfRangeException(nameof(routeType), routeType, null);
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}
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string network = s[0];
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var cidr = ushort.Parse(s[1]);
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string gateway = adapter.Gateway.ToString();
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var index = adapter.InterfaceIndex;
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bool result;
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switch (action)
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{
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case Action.Create:
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result = NativeMethods.CreateRoute(network, cidr, gateway, index, metric);
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#if DEBUG
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Console.WriteLine($"CreateRoute(\"{network}\", {cidr}, \"{gateway}\", {index}, {metric})");
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#endif
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ipList.Add(ipNetwork);
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break;
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case Action.Delete:
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result = NativeMethods.DeleteRoute(network, cidr, gateway, index, metric);
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break;
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default:
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throw new ArgumentOutOfRangeException(nameof(action), action, null);
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}
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if (!result)
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Logging.Warning($"Failed to {action} Route on {routeType} Adapter: {ipNetwork} metric {metric}");
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return result;
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}
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private enum RouteType
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{
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Outbound,
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TUNTAP
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}
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private enum Action
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{
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Create,
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Delete
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}
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[Verb]
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public class Tap2SocksParameter : ParameterBase
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{
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public string? proxyServer { get; set; }
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public string? tunAddr { get; set; }
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public string? tunMask { get; set; }
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public string? tunGw { get; set; }
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public string? tunDns { get; set; }
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public string? tunName { get; set; }
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public bool fakeDns { get; set; }
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}
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[Verb]
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class WinTun2socksParameter : ParameterBase
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{
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public string? bind { get; set; } = "10.0.0.100";
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[Quote]
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public string? list { get; set; } = "disabled";
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public string? hostname { get; set; }
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[Optional]
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public string? username { get; set; }
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[Optional]
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public string? password { get; set; }
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public string? dns { get; set; } = "1.1.1.1:53";
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public int? mtu { get; set; } = 1500;
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}
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#endregion
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}
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}
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