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Netch/Controllers/TUNTAPController.cs Normal file
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using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Text;
using System.Threading;
namespace Netch.Controllers
{
public class TUNTAPController
{
/// <summary>
/// 进程实例（tun2socks）
/// </summary>
public Process Instance;
/// <summary>
/// 当前状态
/// </summary>
public Models.State State = Models.State.Waiting;
/// <summary>
/// 服务器 IP 地址
/// </summary>
public IPAddress[] ServerAddresses = new IPAddress[0];
/// <summary>
/// 保存传入的规则
/// </summary>
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>
public bool Configure()
{
// 查询服务器 IP 地址
var destination = Dns.GetHostAddressesAsync(SavedServer.Hostname);
if (destination.Wait(1000))
{
if (destination.Result.Length == 0)
{
return false;
}
ServerAddresses = destination.Result;
}
// 搜索出口
return Utils.Configuration.SearchOutbounds();
}
/// <summary>
/// 设置绕行规则
/// </summary>
public bool SetupBypass()
{
// 让服务器 IP 走直连
foreach (var address in ServerAddresses)
{
if (!IPAddress.IsLoopback(address))
{
NativeMethods.CreateRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
// 处理模式的绕过中国
if (SavedMode.BypassChina)
{
using (var sr = new StringReader(Encoding.UTF8.GetString(Properties.Resources.CNIP)))
{
string text;
while ((text = sr.ReadLine()) != null)
{
var info = text.Split('/');
NativeMethods.CreateRoute(info[0], int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
}
// 处理全局绕过 IP
foreach (var ip in Global.Settings.BypassIPs)
{
var info = ip.Split('/');
var address = IPAddress.Parse(info[0]);
if (!IPAddress.IsLoopback(address))
{
NativeMethods.CreateRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
if (SavedMode.Type == 2) // 处理仅规则内走直连
{
// 创建默认路由
if (!NativeMethods.CreateRoute("0.0.0.0", 0, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index, 10))
{
State = Models.State.Stopped;
foreach (var address in ServerAddresses)
{
NativeMethods.DeleteRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
return false;
}
foreach (var ip in SavedMode.Rule)
{
var info = ip.Split('/');
if (info.Length == 2)
{
if (int.TryParse(info[1], out var prefix))
{
NativeMethods.CreateRoute(info[0], prefix, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
}
}
else if (SavedMode.Type == 1) // 处理仅规则内走代理
{
foreach (var ip in SavedMode.Rule)
{
var info = ip.Split('/');
if (info.Length == 2)
{
if (int.TryParse(info[1], out var prefix))
{
NativeMethods.CreateRoute(info[0], prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
}
}
}
}
return true;
}
/// <summary>
/// 清除绕行规则
/// </summary>
public bool ClearBypass()
{
if (SavedMode.Type == 2)
{
NativeMethods.DeleteRoute("0.0.0.0", 0, Global.Settings.TUNTAP.Gateway.ToString(), Global.TUNTAP.Index, 10);
foreach (var ip in SavedMode.Rule)
{
var info = ip.Split('/');
if (info.Length == 2)
{
if (int.TryParse(info[1], out var prefix))
{
NativeMethods.DeleteRoute(info[0], prefix, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
}
}
else if (SavedMode.Type == 1)
{
foreach (var ip in SavedMode.Rule)
{
var info = ip.Split('/');
if (info.Length == 2)
{
if (int.TryParse(info[1], out var prefix))
{
NativeMethods.DeleteRoute(info[0], prefix, Global.Settings.TUNTAP.Gateway, Global.TUNTAP.Index);
}
}
}
}
foreach (var ip in Global.Settings.BypassIPs)
{
var info = ip.Split('/');
var address = IPAddress.Parse(info[0]);
if (!IPAddress.IsLoopback(address))
{
NativeMethods.DeleteRoute(address.ToString(), int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
if (SavedMode.BypassChina)
{
using (var sr = new StringReader(Encoding.UTF8.GetString(Properties.Resources.CNIP)))
{
string text;
while ((text = sr.ReadLine()) != null)
{
var info = text.Split('/');
NativeMethods.DeleteRoute(info[0], int.Parse(info[1]), Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
}
foreach (var address in ServerAddresses)
{
if (!IPAddress.IsLoopback(address))
{
NativeMethods.DeleteRoute(address.ToString(), 32, Global.Adapter.Gateway.ToString(), Global.Adapter.Index);
}
}
return true;
}
/// <summary>
/// 启动
/// </summary>
/// <param name="server">配置</param>
/// <returns>是否成功</returns>
public bool Start(Models.Server server, Models.Mode mode)
{
foreach (var proc in Process.GetProcessesByName("tun2socks"))
{
try
{
proc.Kill();
}
catch (Exception)
{
// 跳过
}
}
if (!File.Exists("bin\\tun2socks.exe"))
{
return false;
}
if (File.Exists("logging\\tun2socks.log"))
{
File.Delete("logging\\tun2socks.log");
}
SavedMode = mode;
SavedServer = server;
if (!Configure())
{
return false;
}
SetupBypass();
Instance = new Process();
Instance.StartInfo.WorkingDirectory = String.Format("{0}\\bin", Directory.GetCurrentDirectory());
Instance.StartInfo.FileName = String.Format("{0}\\bin\\tun2socks.exe", Directory.GetCurrentDirectory());
string dns;
if (Global.Settings.TUNTAP.UseCustomDNS)
{
dns = "";
foreach (var value in Global.Settings.TUNTAP.DNS)
{
dns += value;
dns += ',';
}
dns = dns.Trim();
dns = dns.Substring(0, dns.Length - 1);
}
else
{
pDNSController.Start();
dns = "127.0.0.1";
}
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);
}
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.CreateNoWindow = true;
Instance.StartInfo.RedirectStandardError = true;
Instance.StartInfo.RedirectStandardInput = true;
Instance.StartInfo.RedirectStandardOutput = true;
Instance.StartInfo.UseShellExecute = false;
Instance.EnableRaisingEvents = true;
Instance.ErrorDataReceived += OnOutputDataReceived;
Instance.OutputDataReceived += OnOutputDataReceived;
State = Models.State.Starting;
Instance.Start();
Instance.BeginErrorReadLine();
Instance.BeginOutputReadLine();
Instance.PriorityClass = ProcessPriorityClass.RealTime;
for (int i = 0; i < 1000; i++)
{
Thread.Sleep(10);
if (State == Models.State.Started)
{
return true;
}
if (State == Models.State.Stopped)
{
Stop();
return false;
}
}
return false;
}
/// <summary>
/// 停止
/// </summary>
public void Stop()
{
try
{
if (Instance != null && !Instance.HasExited)
{
Instance.Kill();
}
pDNSController.Stop();
ClearBypass();
}
catch (Exception e)
{
Utils.Logging.Info(e.ToString());
}
}
public void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
{
if (!String.IsNullOrEmpty(e.Data))
{
File.AppendAllText("logging\\tun2socks.log", String.Format("{0}\r\n", e.Data.Trim()));
if (State == Models.State.Starting)
{
if (e.Data.Contains("Running"))
{
State = Models.State.Started;
}
else if (e.Data.Contains("failed") || e.Data.Contains("invalid vconfig file"))
{
State = Models.State.Stopped;
}
}
}
}
}
}