mirror of
https://github.com/netchx/netch.git
synced 2026-03-16 17:53:17 +08:00
415 lines
14 KiB
C#
415 lines
14 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Diagnostics;
|
||
using System.IO;
|
||
using System.Linq;
|
||
using System.Net;
|
||
using System.Net.NetworkInformation;
|
||
using System.Text;
|
||
using System.Threading;
|
||
using System.Threading.Tasks;
|
||
using System.Windows.Forms;
|
||
using Netch.Models;
|
||
using Netch.Utils;
|
||
|
||
namespace Netch.Controllers
|
||
{
|
||
public class TUNTAPController : Guard, IModeController
|
||
{
|
||
public bool TestNatRequired { get; } = true;
|
||
|
||
// ByPassLan IP
|
||
private readonly List<string> _bypassLanIPs = new List<string>
|
||
{"10.0.0.0/8", "172.16.0.0/16", "192.168.0.0/16"};
|
||
|
||
private Mode _savedMode = new Mode();
|
||
private Server _savedServer = new Server();
|
||
|
||
/// <summary>
|
||
/// 服务器 IP 地址
|
||
/// </summary>
|
||
private IPAddress[] _serverAddresses = new IPAddress[0];
|
||
|
||
/// <summary>
|
||
/// 本地 DNS 服务控制器
|
||
/// </summary>
|
||
public DNSController pDNSController = new DNSController();
|
||
|
||
public TUNTAPController()
|
||
{
|
||
StartedKeywords.Add("Running");
|
||
StoppedKeywords.AddRange(new[] {"failed", "invalid vconfig file"});
|
||
}
|
||
|
||
public override string Name { get; protected set; } = "tun2socks";
|
||
public override string MainFile { get; protected set; } = "tun2socks.exe";
|
||
|
||
/// <summary>
|
||
/// 配置 TUNTAP 适配器
|
||
/// </summary>
|
||
private 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 SearchTapAdapter();
|
||
}
|
||
|
||
private readonly List<IPNetwork> _directIPs = new List<IPNetwork>();
|
||
private readonly List<IPNetwork> _proxyIPs = new List<IPNetwork>();
|
||
|
||
|
||
/// <summary>
|
||
/// 设置绕行规则
|
||
/// </summary>
|
||
/// <returns>是否设置成功</returns>
|
||
private bool SetupRouteTable()
|
||
{
|
||
Logging.Info("收集路由表规则");
|
||
Global.MainForm.StatusText(i18N.Translate("SetupBypass"));
|
||
|
||
Logging.Info("绕行 → 全局绕过 IP");
|
||
_directIPs.AddRange(Global.Settings.BypassIPs.Select(IPNetwork.Parse));
|
||
|
||
Logging.Info("绕行 → 服务器 IP");
|
||
_directIPs.AddRange(_serverAddresses.Where(address => !IPAddress.IsLoopback(address))
|
||
.Select(address => IPNetwork.Parse(address.ToString(), 32)));
|
||
|
||
Logging.Info("绕行 → 局域网 IP");
|
||
_directIPs.AddRange(_bypassLanIPs.Select(IPNetwork.Parse));
|
||
|
||
switch (_savedMode.Type)
|
||
{
|
||
case 1:
|
||
// 代理规则
|
||
Logging.Info("代理 → 规则 IP");
|
||
_proxyIPs.AddRange(_savedMode.Rule.Select(IPNetwork.Parse));
|
||
|
||
//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
|
||
if (Global.Settings.STUN_Server == "stun.stunprotocol.org")
|
||
try
|
||
{
|
||
Logging.Info("代理 → STUN 服务器 IP");
|
||
_proxyIPs.AddRange(new[]
|
||
{
|
||
Dns.GetHostAddresses(Global.Settings.STUN_Server)[0],
|
||
Dns.GetHostAddresses("stunresponse.coldthunder11.com")[0]
|
||
}.Select(ip => IPNetwork.Parse(ip.ToString(), 32)));
|
||
}
|
||
catch
|
||
{
|
||
Logging.Info("NAT 类型测试域名解析失败，将不会被添加到代理列表");
|
||
}
|
||
|
||
if (Global.Settings.TUNTAP.ProxyDNS)
|
||
{
|
||
Logging.Info("代理 → 自定义 DNS");
|
||
if (Global.Settings.TUNTAP.UseCustomDNS)
|
||
{
|
||
var dns = string.Empty;
|
||
foreach (var value in Global.Settings.TUNTAP.DNS)
|
||
{
|
||
dns += value;
|
||
dns += ',';
|
||
}
|
||
|
||
dns = dns.Trim();
|
||
dns = dns.Substring(0, dns.Length - 1);
|
||
RouteAction(Action.Create, dns, 32, RouteType.TUNTAP);
|
||
}
|
||
else
|
||
{
|
||
_proxyIPs.AddRange(
|
||
new[] {"1.1.1.1", "8.8.8.8", "9.9.9.9", "185.222.222.222"}.Select(ip =>
|
||
IPNetwork.Parse(ip, 32)));
|
||
}
|
||
}
|
||
|
||
break;
|
||
case 2:
|
||
// 绕过规则
|
||
|
||
// 将 TUN/TAP 网卡权重放到最高
|
||
Process.Start(new ProcessStartInfo
|
||
{
|
||
FileName = "netsh",
|
||
Arguments = $"interface ip set interface {Global.TUNTAP.Index} metric=0",
|
||
WindowStyle = ProcessWindowStyle.Hidden,
|
||
UseShellExecute = true,
|
||
CreateNoWindow = true
|
||
}
|
||
);
|
||
|
||
if (_savedMode.BypassChina)
|
||
{
|
||
Logging.Info("绕行 → 中国 IP");
|
||
|
||
foreach (var str in File.ReadAllLines("bin\\china_ip_list", Encoding.UTF8))
|
||
{
|
||
if (IPNetwork.TryParse(str, out var entry))
|
||
{
|
||
_directIPs.Add(entry);
|
||
}
|
||
}
|
||
}
|
||
|
||
Logging.Info("绕行 → 规则 IP");
|
||
_directIPs.AddRange(_savedMode.Rule.Select(IPNetwork.Parse));
|
||
|
||
Logging.Info("代理 → 全局");
|
||
if (!RouteAction(Action.Create, IPNetwork.Parse("0.0.0.0", 0), RouteType.TUNTAP))
|
||
{
|
||
State = State.Stopped;
|
||
return false;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
Logging.Info("设置路由规则");
|
||
RouteAction(Action.Create, _directIPs, RouteType.Gateway);
|
||
RouteAction(Action.Create, _proxyIPs, RouteType.TUNTAP);
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 清除绕行规则
|
||
/// </summary>
|
||
private bool ClearRouteTable()
|
||
{
|
||
switch (_savedMode.Type)
|
||
{
|
||
case 1:
|
||
break;
|
||
case 2:
|
||
RouteAction(Action.Delete, "0.0.0.0", 0, RouteType.TUNTAP, 10);
|
||
break;
|
||
}
|
||
|
||
RouteAction(Action.Delete, _directIPs, RouteType.Gateway);
|
||
RouteAction(Action.Delete, _proxyIPs, RouteType.TUNTAP);
|
||
_directIPs.Clear();
|
||
_proxyIPs.Clear();
|
||
return true;
|
||
}
|
||
|
||
|
||
public bool Start(Server s, Mode mode)
|
||
{
|
||
_savedMode = mode;
|
||
_savedServer = s;
|
||
|
||
if (!Configure()) return false;
|
||
|
||
SetupRouteTable();
|
||
|
||
var adapterName = TUNTAP.GetName(Global.TUNTAP.ComponentID);
|
||
|
||
string dns;
|
||
if (Global.Settings.TUNTAP.UseCustomDNS)
|
||
{
|
||
if (Global.Settings.TUNTAP.DNS.Any())
|
||
{
|
||
dns = Global.Settings.TUNTAP.DNS.Aggregate((current, ip) => $"{current},{ip}");
|
||
}
|
||
else
|
||
{
|
||
Global.Settings.TUNTAP.DNS.Add("1.1.1.1");
|
||
dns = "1.1.1.1";
|
||
}
|
||
}
|
||
else
|
||
{
|
||
var _ = pDNSController.Start();
|
||
dns = "127.0.0.1";
|
||
}
|
||
|
||
var argument = new StringBuilder();
|
||
if (s.IsSocks5())
|
||
argument.Append($"-proxyServer {s.Hostname}:{s.Port} ");
|
||
else
|
||
argument.Append($"-proxyServer 127.0.0.1:{Global.Settings.Socks5LocalPort} ");
|
||
|
||
argument.Append(
|
||
$"-tunAddr {Global.Settings.TUNTAP.Address} -tunMask {Global.Settings.TUNTAP.Netmask} -tunGw {Global.Settings.TUNTAP.Gateway} -tunDns {dns} -tunName \"{adapterName}\" ");
|
||
|
||
if (Global.Settings.TUNTAP.UseFakeDNS && Global.Flags.SupportFakeDns)
|
||
argument.Append("-fakeDns ");
|
||
|
||
return StartInstanceAuto(argument.ToString(), ProcessPriorityClass.RealTime);
|
||
}
|
||
|
||
/// <summary>
|
||
/// TUN/TAP停止
|
||
/// </summary>
|
||
public override void Stop()
|
||
{
|
||
var tasks = new[]
|
||
{
|
||
Task.Factory.StartNew(StopInstance),
|
||
Task.Factory.StartNew(ClearRouteTable),
|
||
Task.Factory.StartNew(pDNSController.Stop)
|
||
};
|
||
Task.WaitAll(tasks);
|
||
}
|
||
|
||
public bool TestFakeDNS()
|
||
{
|
||
var exited = false;
|
||
var helpStr = new StringBuilder();
|
||
try
|
||
{
|
||
void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
|
||
{
|
||
if (e.Data == null)
|
||
{
|
||
exited = true;
|
||
return;
|
||
}
|
||
|
||
helpStr.Append(e.Data);
|
||
}
|
||
|
||
InitInstance("-h");
|
||
// Instance.OutputDataReceived += OnOutputDataReceived;
|
||
Instance.ErrorDataReceived += OnOutputDataReceived;
|
||
Instance.Start();
|
||
Instance.BeginOutputReadLine();
|
||
Instance.BeginErrorReadLine();
|
||
while (!exited)
|
||
{
|
||
Thread.Sleep(200);
|
||
}
|
||
|
||
return helpStr.ToString().Contains("-fakeDns");
|
||
}
|
||
catch
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 搜索出口和TUNTAP适配器
|
||
/// </summary>
|
||
public static bool SearchTapAdapter()
|
||
{
|
||
// 搜索 TUN/TAP 适配器的索引
|
||
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
|
||
{
|
||
Logging.Info("找不到 TAP 适配器");
|
||
if (MessageBoxX.Show(i18N.Translate("TUN/TAP driver is not detected. Is it installed now?"),
|
||
confirm: true) == DialogResult.OK)
|
||
{
|
||
TUNTAP.addtap();
|
||
// 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
|
||
Thread.Sleep(1000);
|
||
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
|
||
{
|
||
Logging.Error("找不到 TAP 适配器，驱动可能安装失败");
|
||
return false;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
Logging.Info("取消安装 TAP 驱动 ");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// 根据 ComponentID 寻找 Tap适配器
|
||
try
|
||
{
|
||
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => _.Id == Global.TUNTAP.ComponentID);
|
||
Global.TUNTAP.Adapter = adapter;
|
||
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
|
||
Logging.Info(
|
||
$"TAP 适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.TUNTAP.Index}");
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
var msg = e switch
|
||
{
|
||
InvalidOperationException _ => $"找不到标识符为 {Global.TUNTAP.ComponentID} 的 TAP 适配器: {e.Message}",
|
||
NetworkInformationException _ => $"获取 Tap 适配器信息错误: {e.Message}",
|
||
_ => $"Tap 适配器其他异常: {e}"
|
||
};
|
||
Logging.Error(msg);
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
private enum RouteType
|
||
{
|
||
Gateway,
|
||
TUNTAP
|
||
}
|
||
|
||
private enum Action
|
||
{
|
||
Create,
|
||
Delete
|
||
}
|
||
|
||
private static void RouteAction(Action action, IEnumerable<IPNetwork> ipNetworks, RouteType routeType,
|
||
int metric = 0)
|
||
{
|
||
foreach (var address in ipNetworks)
|
||
{
|
||
RouteAction(action, address, routeType, metric);
|
||
}
|
||
}
|
||
|
||
private static bool RouteAction(Action action, string address, byte cidr, RouteType routeType, int metric = 0)
|
||
{
|
||
return RouteAction(action, IPNetwork.Parse(address, cidr), routeType, metric);
|
||
}
|
||
|
||
private static bool RouteAction(Action action, IPNetwork ipNetwork, RouteType routeType, int metric = 0)
|
||
{
|
||
string gateway;
|
||
int index;
|
||
switch (routeType)
|
||
{
|
||
case RouteType.Gateway:
|
||
gateway = Global.Outbound.Gateway.ToString();
|
||
index = Global.Outbound.Index;
|
||
break;
|
||
case RouteType.TUNTAP:
|
||
gateway = Global.Settings.TUNTAP.Gateway;
|
||
index = Global.TUNTAP.Index;
|
||
break;
|
||
default:
|
||
throw new ArgumentOutOfRangeException(nameof(routeType), routeType, null);
|
||
}
|
||
|
||
var result = action switch
|
||
{
|
||
Action.Create => NativeMethods.CreateRoute(ipNetwork.Network.ToString(), ipNetwork.Cidr, gateway, index,
|
||
metric),
|
||
Action.Delete => NativeMethods.DeleteRoute(ipNetwork.Network.ToString(), ipNetwork.Cidr, gateway, index,
|
||
metric),
|
||
_ => throw new ArgumentOutOfRangeException(nameof(action), action, null)
|
||
};
|
||
|
||
if (!result)
|
||
{
|
||
Logging.Warning($"{action} Route on {routeType} Adapter failed: {ipNetwork} metric {metric}");
|
||
}
|
||
|
||
return result;
|
||
}
|
||
}
|
||
} |