mirror of
https://github.com/netchx/netch.git
synced 2026-03-14 17:43:18 +08:00
499 lines
20 KiB
C#
499 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Windows.Forms;
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using Netch.Models;
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using Netch.Properties;
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using Netch.Utils;
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namespace Netch.Controllers
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{
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public class TUNTAPController : ModeController
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{
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// ByPassLan IP
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private readonly List<string> _bypassLanIPs = new List<string> {"10.0.0.0/8", "172.16.0.0/16", "192.168.0.0/16"};
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private Mode _savedMode = new Mode();
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private Server _savedServer = new Server();
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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 = new IPAddress[0];
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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 pDNSController = new DNSController();
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public TUNTAPController()
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{
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Name = "Tap";
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MainFile = "tun2socks.exe";
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StartedKeywords("Running");
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StoppedKeywords("failed","invalid vconfig file");
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}
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/// <summary>
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/// 配置 TUNTAP 适配器
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/// </summary>
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private bool Configure()
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{
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// 查询服务器 IP 地址
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var destination = Dns.GetHostAddressesAsync(_savedServer.Hostname);
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if (destination.Wait(1000))
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{
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if (destination.Result.Length == 0) return false;
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_serverAddresses = destination.Result;
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}
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// 搜索出口
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return SearchOutbounds();
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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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private bool SetupBypass()
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{
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Global.MainForm.StatusText(i18N.Translate("SetupBypass"));
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Logging.Info("设置绕行规则 → 设置让服务器 IP 走直连");
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// 让服务器 IP 走直连
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foreach (var address in _serverAddresses)
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if (!IPAddress.IsLoopback(address))
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NativeMethods.CreateRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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// 处理模式的绕过中国
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if (_savedMode.BypassChina)
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{
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Logging.Info("设置绕行规则 → 处理模式的绕过中国");
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using (var sr = new StringReader(Encoding.UTF8.GetString(Resources.CNIP)))
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{
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string text;
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while ((text = sr.ReadLine()) != null)
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{
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var info = text.Split('/');
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NativeMethods.CreateRoute(info[0], int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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}
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}
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Logging.Info("设置绕行规则 → 处理全局绕过 IP");
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// 处理全局绕过 IP
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foreach (var ip in Global.Settings.BypassIPs)
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{
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var info = ip.Split('/');
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var address = IPAddress.Parse(info[0]);
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if (!IPAddress.IsLoopback(address)) NativeMethods.CreateRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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Logging.Info("设置绕行规则 → 处理绕过局域网 IP");
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// 处理绕过局域网 IP
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foreach (var ip in _bypassLanIPs)
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{
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var info = ip.Split('/');
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var address = IPAddress.Parse(info[0]);
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if (!IPAddress.IsLoopback(address)) NativeMethods.CreateRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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if (_savedMode.Type == 2) // 处理仅规则内走直连
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{
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Logging.Info("设置绕行规则 → 处理仅规则内走直连");
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// 将 TUN/TAP 网卡权重放到最高
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var instance = new Process
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{
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StartInfo =
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{
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FileName = "netsh",
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Arguments = string.Format("interface ip set interface {0} metric=0", Global.TUNTAP.Index),
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WindowStyle = ProcessWindowStyle.Hidden,
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UseShellExecute = true,
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CreateNoWindow = true
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}
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};
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instance.Start();
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Logging.Info("设置绕行规则 → 创建默认路由");
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// 创建默认路由
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if (!NativeMethods.CreateRoute("0.0.0.0", 0, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index, 10))
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{
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State = State.Stopped;
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foreach (var address in _serverAddresses) NativeMethods.DeleteRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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return false;
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}
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Logging.Info("设置绕行规则 → 创建规则路由");
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// 创建规则路由
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foreach (var ip in _savedMode.Rule)
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{
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var info = ip.Split('/');
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if (info.Length == 2)
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if (int.TryParse(info[1], out var prefix))
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NativeMethods.CreateRoute(info[0], prefix, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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}
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else if (_savedMode.Type == 1) // 处理仅规则内走代理
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{
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Logging.Info("设置绕行规则->处理仅规则内走代理");
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foreach (var ip in _savedMode.Rule)
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{
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var info = ip.Split('/');
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if (info.Length == 2)
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if (int.TryParse(info[1], out var prefix))
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NativeMethods.CreateRoute(info[0], prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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//处理 NAT 类型检测，由于协议的原因，无法仅通过域名确定需要代理的 IP，自己记录解析了返回的 IP，仅支持默认检测服务器
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if (Global.Settings.STUN_Server == "stun.stunprotocol.org")
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try
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{
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var nttAddress = Dns.GetHostAddresses(Global.Settings.STUN_Server)[0];
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if (int.TryParse("32", out var prefix)) NativeMethods.CreateRoute(nttAddress.ToString(), prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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var nttrAddress = Dns.GetHostAddresses("stunresponse.coldthunder11.com")[0];
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if (int.TryParse("32", out var prefixr)) NativeMethods.CreateRoute(nttrAddress.ToString(), prefixr, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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catch
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{
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Logging.Info("NAT 类型测试域名解析失败，将不会被添加到代理列表");
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}
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//处理DNS代理
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if (Global.Settings.TUNTAP.ProxyDNS)
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{
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Logging.Info("设置绕行规则 → 处理自定义 DNS 代理");
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if (Global.Settings.TUNTAP.UseCustomDNS)
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{
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var dns = string.Empty;
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foreach (var value in Global.Settings.TUNTAP.DNS)
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{
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dns += value;
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dns += ',';
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}
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dns = dns.Trim();
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dns = dns.Substring(0, dns.Length - 1);
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if (int.TryParse("32", out var prefix)) NativeMethods.CreateRoute(dns, prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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else
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{
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if (int.TryParse("32", out var prefix))
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{
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NativeMethods.CreateRoute("1.1.1.1", prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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NativeMethods.CreateRoute("8.8.8.8", prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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NativeMethods.CreateRoute("9.9.9.9", prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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NativeMethods.CreateRoute("185.222.222.222", prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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}
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}
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}
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return true;
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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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public bool ClearBypass()
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{
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if (_savedMode.Type == 2)
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{
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NativeMethods.DeleteRoute("0.0.0.0", 0, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index, 10);
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foreach (var ip in _savedMode.Rule)
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{
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var info = ip.Split('/');
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if (info.Length == 2)
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if (int.TryParse(info[1], out var prefix))
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NativeMethods.DeleteRoute(info[0], prefix, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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}
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else if (_savedMode.Type == 1)
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{
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foreach (var ip in _savedMode.Rule)
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{
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var info = ip.Split('/');
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if (info.Length == 2)
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if (int.TryParse(info[1], out var prefix))
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NativeMethods.DeleteRoute(info[0], prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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if (Global.Settings.STUN_Server == "stun.stunprotocol.org")
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try
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{
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var nttAddress = Dns.GetHostAddresses(Global.Settings.STUN_Server)[0];
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if (int.TryParse("32", out var prefix)) NativeMethods.DeleteRoute(nttAddress.ToString(), prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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var nttrAddress = Dns.GetHostAddresses("stunresponse.coldthunder11.com")[0];
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if (int.TryParse("32", out var prefixr)) NativeMethods.DeleteRoute(nttrAddress.ToString(), prefixr, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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catch
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{
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}
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if (Global.Settings.TUNTAP.ProxyDNS)
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{
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if (Global.Settings.TUNTAP.UseCustomDNS)
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{
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var dns = string.Empty;
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foreach (var value in Global.Settings.TUNTAP.DNS)
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{
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dns += value;
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dns += ',';
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}
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dns = dns.Trim();
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dns = dns.Substring(0, dns.Length - 1);
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if (int.TryParse("32", out var prefix)) NativeMethods.DeleteRoute(dns, prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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else
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{
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if (int.TryParse("32", out var prefix)) NativeMethods.DeleteRoute("1.1.1.1", prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
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}
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}
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}
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foreach (var ip in Global.Settings.BypassIPs)
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{
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var info = ip.Split('/');
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var address = IPAddress.Parse(info[0]);
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if (!IPAddress.IsLoopback(address)) NativeMethods.DeleteRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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foreach (var ip in _bypassLanIPs)
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{
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var info = ip.Split('/');
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var address = IPAddress.Parse(info[0]);
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if (!IPAddress.IsLoopback(address)) NativeMethods.DeleteRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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if (_savedMode.BypassChina)
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using (var sr = new StringReader(Encoding.UTF8.GetString(Resources.CNIP)))
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{
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string text;
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while ((text = sr.ReadLine()) != null)
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{
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var info = text.Split('/');
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NativeMethods.DeleteRoute(info[0], int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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}
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}
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foreach (var address in _serverAddresses)
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if (!IPAddress.IsLoopback(address))
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NativeMethods.DeleteRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
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return true;
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}
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public override bool Start(Server server, Mode mode)
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{
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Global.MainForm.StatusText(i18N.Translate("Starting Tap"));
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_savedMode = mode;
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_savedServer = server;
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if (!Configure()) return false;
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Logging.Info("设置绕行规则");
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SetupBypass();
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Logging.Info("设置绕行规则完毕");
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Instance = GetProcess();
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var adapterName = TUNTAP.GetName(Global.TUNTAP.ComponentID);
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Logging.Info($"tun2sock使用适配器：{adapterName}");
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string dns;
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//V2ray使用Unbound本地DNS会导致查询异常缓慢故此V2ray不启动unbound而是使用自定义DNS
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//if (Global.Settings.TUNTAP.UseCustomDNS || server.Type.Equals("VMess"))
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if (Global.Settings.TUNTAP.UseCustomDNS)
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{
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dns = string.Empty;
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foreach (var value in Global.Settings.TUNTAP.DNS)
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{
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dns += value;
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dns += ',';
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}
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dns = dns.Trim();
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dns = dns.Substring(0, dns.Length - 1);
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}
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else
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{
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pDNSController.Start();
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dns = "127.0.0.1";
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}
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if (Global.Settings.TUNTAP.UseFakeDNS) dns += " -fakeDns";
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if (server.Type == "Socks5")
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Instance.StartInfo.Arguments = $"-proxyServer {server.Hostname}:{server.Port} -tunAddr {Global.Settings.TUNTAP.Address} -tunMask {Global.Settings.TUNTAP.Netmask} -tunGw {Global.Settings.TUNTAP.Gateway} -tunDns {dns} -tunName \"{adapterName}\"";
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else
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Instance.StartInfo.Arguments = $"-proxyServer 127.0.0.1:{Global.Settings.Socks5LocalPort} -tunAddr {Global.Settings.TUNTAP.Address} -tunMask {Global.Settings.TUNTAP.Netmask} -tunGw {Global.Settings.TUNTAP.Gateway} -tunDns {dns} -tunName \"{adapterName}\"";
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Instance.ErrorDataReceived += OnOutputDataReceived;
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Instance.OutputDataReceived += OnOutputDataReceived;
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State = State.Starting;
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Instance.Start();
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Instance.BeginErrorReadLine();
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Instance.BeginOutputReadLine();
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Instance.PriorityClass = ProcessPriorityClass.RealTime;
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for (var i = 0; i < 1000; i++)
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{
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Thread.Sleep(10);
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if (State == State.Started) return true;
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if (State == State.Stopped)
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{
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Stop();
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return false;
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}
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}
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return false;
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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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StopInstance();
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ClearBypass();
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pDNSController.Stop();
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}
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/// <summary>
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/// 搜索出口
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/// </summary>
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public static bool SearchOutbounds()
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{
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Logging.Info("正在搜索出口中");
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if (Win32Native.GetBestRoute(BitConverter.ToUInt32(IPAddress.Parse("114.114.114.114").GetAddressBytes(), 0), 0, out var pRoute) == 0)
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{
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Global.Adapter.Index = pRoute.dwForwardIfIndex;
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Global.Adapter.Gateway = new IPAddress(pRoute.dwForwardNextHop);
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Logging.Info($"当前 网关 地址：{Global.Adapter.Gateway}");
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}
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else
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{
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Logging.Error("GetBestRoute 搜索失败");
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return false;
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}
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Logging.Info($"搜索适配器index：{Global.Adapter.Index}");
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var AddressGot = false;
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foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
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try
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{
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var adapterProperties = adapter.GetIPProperties();
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var p = adapterProperties.GetIPv4Properties();
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Logging.Info($"检测适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {p.Index}");
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// 通过索引查找对应适配器的 IPv4 地址
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if (p.Index == Global.Adapter.Index)
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{
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var AdapterIPs = string.Empty;
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foreach (var ip in adapterProperties.UnicastAddresses)
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{
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if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
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{
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AddressGot = true;
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Global.Adapter.Address = ip.Address;
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Logging.Info($"当前出口 IPv4 地址：{Global.Adapter.Address}");
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break;
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}
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AdapterIPs = $"{ip.Address} | ";
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}
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if (!AddressGot)
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{
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if (AdapterIPs.Length > 3)
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{
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AdapterIPs = AdapterIPs.Substring(0, AdapterIPs.Length - 3);
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Logging.Info($"所有出口地址：{AdapterIPs}");
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}
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Logging.Error("出口无 IPv4 地址，当前只支持 IPv4 地址");
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return false;
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}
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break;
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}
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}
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catch (Exception)
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{
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// ignored
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}
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if (!AddressGot)
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{
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Logging.Error("无法找到当前使用适配器");
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return false;
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}
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// 搜索 TUN/TAP 适配器的索引
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Global.TUNTAP.ComponentID = TUNTAP.GetComponentID();
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if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID))
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{
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Logging.Error("未找到可用 TUN/TAP 适配器");
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if (MessageBoxX.Show(i18N.Translate("TUN/TAP driver is not detected. Is it installed now?"), confirm: true) == DialogResult.OK)
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{
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Configuration.addtap();
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//给点时间，不然立马安装完毕就查找适配器可能会导致找不到适配器ID
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Thread.Sleep(1000);
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Global.TUNTAP.ComponentID = TUNTAP.GetComponentID();
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}
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else
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{
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return false;
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}
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//MessageBoxX.Show(i18N.Translate("Please install TAP-Windows and create an TUN/TAP adapter manually"));
|
||
// return false;
|
||
}
|
||
|
||
foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
|
||
if (adapter.Id == Global.TUNTAP.ComponentID)
|
||
{
|
||
Global.TUNTAP.Adapter = adapter;
|
||
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
|
||
|
||
Logging.Info($"找到适配器TUN/TAP：{adapter.Id}");
|
||
|
||
return true;
|
||
}
|
||
|
||
Logging.Error("无法找到出口");
|
||
return false;
|
||
}
|
||
}
|
||
} |