diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs index c438f95b..9ebfcccd 100644 --- a/Netch/Controllers/MainController.cs +++ b/Netch/Controllers/MainController.cs @@ -34,7 +34,7 @@ namespace Netch.Controllers NativeMethods.FlushDNSResolverCache(); - if (!Utils.Utils.SearchOutboundAdapter()) + if (!Utils.Utils.SearchOutboundAdapter(false)) { MessageBoxX.Show("No internet connection"); return false; @@ -167,6 +167,7 @@ namespace Netch.Controllers StatusPortInfoText.HttpPort = port; break; } + UsingPorts.Add(port); return true; } diff --git a/Netch/Utils/Utils.cs b/Netch/Utils/Utils.cs index 8c9aaedd..a44a88ad 100644 --- a/Netch/Utils/Utils.cs +++ b/Netch/Utils/Utils.cs @@ -125,42 +125,54 @@ namespace Netch.Utils public static string FileVersion(string file) => File.Exists(file) ? FileVersionInfo.GetVersionInfo(file).FileVersion : string.Empty; - public static bool SearchOutboundAdapter() + public static bool SearchOutboundAdapter(bool log = true) { - // 寻找出口适配器 - if (Win32Native.GetBestRoute(BitConverter.ToUInt32(IPAddress.Parse("114.114.114.114").GetAddressBytes(), 0), - 0, out var pRoute) != 0) + IPAddress localEnd; + try + { + localEnd = WebUtil.BestLocalEndPoint(new IPEndPoint(0x72727272, 53)).Address; + } + catch { - Logging.Error("GetBestRoute 搜索失败"); return false; } - Global.Outbound.Index = pRoute.dwForwardIfIndex; - // 根据 IP Index 寻找 出口适配器 try { - var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => + // 根据 IP 寻找 出口适配器 + Global.Outbound.Adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => { try { - return _.GetIPProperties().GetIPv4Properties().Index == Global.Outbound.Index; + return _.GetIPProperties().UnicastAddresses.Any(ip => + { + if (ip.Address.AddressFamily == AddressFamily.InterNetwork && ip.Address.ToString().Equals(localEnd.ToString())) + { + Global.Outbound.Index = _.GetIPProperties().GetIPv4Properties().Index; + return true; + } + + return false; + }); } catch { return false; } }); - Global.Outbound.Adapter = adapter; - Global.Outbound.Gateway = new IPAddress(pRoute.dwForwardNextHop); - Logging.Info($"出口 IPv4 地址：{Global.Outbound.Address}"); - Logging.Info($"出口 网关 地址：{Global.Outbound.Gateway}"); - Logging.Info( - $"出口适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.Outbound.Index}"); + Global.Outbound.Gateway = Global.Outbound.Adapter.GetIPProperties().GatewayAddresses[0].Address; + if (log) + { + Logging.Info($"出口 IPv4 地址：{Global.Outbound.Address}"); + Logging.Info($"出口 网关 地址：{Global.Outbound.Gateway}"); + Logging.Info($"出口适配器：{Global.Outbound.Adapter.Name} {Global.Outbound.Adapter.Id} {Global.Outbound.Adapter.Description}, index: {Global.Outbound.Index}"); + } + return true; } - catch (Exception) + catch (Exception e) { - Logging.Error("找不到出口IP所在网卡"); + Logging.Error($"找不到出口IP所在网卡{e}"); return false; } } diff --git a/Netch/Utils/WebUtil.cs b/Netch/Utils/WebUtil.cs index d6f53aea..f02d1e55 100644 --- a/Netch/Utils/WebUtil.cs +++ b/Netch/Utils/WebUtil.cs @@ -1,5 +1,6 @@ using System.IO; using System.Net; +using System.Net.Sockets; using System.Text; using System.Threading.Tasks; @@ -24,6 +25,12 @@ namespace Netch.Utils return req; } + public static IPEndPoint BestLocalEndPoint(IPEndPoint remoteIPEndPoint) + { + var testSocket = new Socket(remoteIPEndPoint.AddressFamily, SocketType.Dgram, ProtocolType.Udp); + testSocket.Connect(remoteIPEndPoint); + return (IPEndPoint) testSocket.LocalEndPoint; + } /// /// 异步下载 diff --git a/Netch/Win32Native.cs b/Netch/Win32Native.cs index 46dbd8f5..cb7da4e4 100644 --- a/Netch/Win32Native.cs +++ b/Netch/Win32Native.cs @@ -1,347 +1,11 @@ using System; -using System.Collections.Generic; -using System.Linq; -using System.Net; -using System.Net.NetworkInformation; using System.Runtime.InteropServices; -using System.Text; namespace Netch { public static class Win32Native { - public enum ForwardType - { - Other = 1, - Invalid = 2, - Direct = 3, - Indirect = 4 - } - - public enum ForwardProtocol - { - Other = 1, - Local = 2, - NetMGMT = 3, - ICMP = 4, - EGP = 5, - GGP = 6, - Hello = 7, - RIP = 8, - IS_IS = 9, - ES_IS = 10, // 0x0000000A - CISCO = 11, // 0x0000000B - BBN = 12, // 0x0000000C - OSPF = 13, // 0x0000000D - BGP = 14, // 0x0000000E - NT_AUTOSTATIC = 10002, // 0x00002712 - NT_STATIC = 10006, // 0x00002716 - NT_STATIC_NON_DOD = 10007 // 0x00002717 - } - - public class RouteEntry - { - internal MIB_IPFORWARDROW _ipFwdNative; - private int _metric1; - private int _metric2; - private int _metric3; - private int _metric4; - private int _metric5; - private IPAddress _destination; - private IPAddress _mask; - private int _policy; - private IPAddress _nextHop; - private NetworkInterface _interface; - private ForwardProtocol _protocol; - private ForwardType _type; - private int _nextHopAS; - private int _age; - private int _index; - - public int Index - { - get => _index; - set => _index = value; - } - - public IPAddress Destination - { - get => _destination; - set => _destination = value; - } - - public IPAddress Mask - { - get => _mask; - set => _mask = value; - } - - public int Policy - { - get => _policy; - set => _policy = value; - } - - public IPAddress NextHop - { - get => _nextHop; - set => _nextHop = value; - } - - public NetworkInterface RelatedInterface => _interface; - - public string InterfaceName - { - get - { - if (RelatedInterface == null) - return string.Empty; - return RelatedInterface.Name; - } - } - - public ForwardType ForwardType - { - get => _type; - set => _type = value; - } - - public ForwardProtocol Protocol - { - get => _protocol; - set => _protocol = value; - } - - public int Age - { - get => _age; - set => _age = value; - } - - public int NextHopAS - { - get => _nextHopAS; - set => _nextHopAS = value; - } - - public int Metric1 - { - get => _metric1; - set => _metric1 = value; - } - - public int Metric2 - { - get => _metric2; - set => _metric2 = value; - } - - public int Metric3 - { - get => _metric3; - set => _metric3 = value; - } - - public int Metric4 - { - get => _metric4; - set => _metric4 = value; - } - - public int Metric5 - { - get => _metric5; - set => _metric5 = value; - } - - public RouteEntry( - uint destination, - uint mask, - int policy, - uint nextHop, - NetworkInterface intf, - ForwardType type, - ForwardProtocol proto, - int age, - int nextHopAS, - int metric1, - int metric2, - int metric3, - int metric4, - int metric5, - int idx) - { - _age = age; - _policy = policy; - _protocol = proto; - _type = type; - _destination = new IPAddress(destination); - _mask = new IPAddress(mask); - _nextHop = new IPAddress(nextHop); - _nextHopAS = nextHopAS; - _interface = intf; - _metric1 = metric1; - _metric2 = metric2; - _metric3 = metric3; - _metric4 = metric4; - _metric5 = metric5; - _index = idx; - } - } - - [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] - public struct MIB_IFROW - { - private const int MAX_INTERFACE_NAME_LEN = 256; - private const int MAXLEN_IFDESCR = 256; - private const int MAXLEN_PHYSADDR = 8; - [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] - public string wszName; - public int dwIndex; - public int dwType; - public int dwMtu; - public int dwSpeed; - public int dwPhysAddrLen; - [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] - public byte[] bPhysAddr; - public int dwAdminStatus; - public int dwOperStatus; - public int dwLastChange; - public int dwInOctets; - public int dwInUcastPkts; - public int dwInNUcastPkts; - public int dwInDiscards; - public int dwInErrors; - public int dwInUnknownProtos; - public int dwOutOctets; - public int dwOutUcastPkts; - public int dwOutNUcastPkts; - public int dwOutDiscards; - public int dwOutErrors; - public int dwOutQLen; - public int dwDescrLen; - [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)] - public byte[] bDescr; - } - - public class AdaptersTable - { - private Dictionary _adapters = new Dictionary(); - - public IDictionary GetAdapters() - { - return _adapters; - } - - public NetworkInterface GetAdapter(int interfaceIndex) - { - NetworkInterface networkInterface = null; - _adapters.TryGetValue(interfaceIndex, out networkInterface); - return networkInterface; - } - - public int GetAdapterIndex(NetworkInterface networkInterface) - { - return _adapters.First(a => a.Value == networkInterface).Key; - } - - public AdaptersTable() - { - var num1 = IntPtr.Zero; - var pdwSize = 0; - var num2 = 0; - num2 = GetIfTable(IntPtr.Zero, ref pdwSize, true); - var networkInterfaces = NetworkInterface.GetAllNetworkInterfaces(); - try - { - num1 = Marshal.AllocHGlobal(pdwSize); - if (GetIfTable(num1, ref pdwSize, true) != 0) - return; - var num3 = Marshal.ReadInt32(num1); - var ptr = new IntPtr(num1.ToInt32() + 4); - for (var index = 0; index < num3; ++index) - { - var structure = (MIB_IFROW)Marshal.PtrToStructure(ptr, typeof(MIB_IFROW)); - var pIfRow = new MIB_IFROW(); - pIfRow.dwIndex = structure.dwIndex; - if (GetIfEntry(ref pIfRow) == 0) - { - var str = Encoding.ASCII.GetString(structure.bDescr, 0, pIfRow.dwDescrLen - 1); - foreach (var networkInterface in networkInterfaces) - { - if (networkInterface.Description == str) - { - _adapters.Add(structure.dwIndex, networkInterface); - break; - } - } - } - ptr = new IntPtr(ptr.ToInt32() + Marshal.SizeOf(typeof(MIB_IFROW))); - } - } - catch (Exception) - { - // ignored - } - finally - { - Marshal.FreeHGlobal(num1); - } - } - } - - public struct MIB_IPFORWARDROW - { - public uint dwForwardDest; - public uint dwForwardMask; - public int dwForwardPolicy; - public uint dwForwardNextHop; - public int dwForwardIfIndex; - public ForwardType dwForwardType; - public ForwardProtocol dwForwardProto; - public int dwForwardAge; - public int dwForwardNextHopAS; - public int dwForwardMetric1; - public int dwForwardMetric2; - public int dwForwardMetric3; - public int dwForwardMetric4; - public int dwForwardMetric5; - - public static implicit operator MIB_IPFORWARDROW(RouteEntry value) - { - var mibIpforwardrow = new MIB_IPFORWARDROW(); - mibIpforwardrow.dwForwardAge = value.Age; - mibIpforwardrow.dwForwardDest = BitConverter.ToUInt32(value.Destination.GetAddressBytes(), 0); - mibIpforwardrow.dwForwardMask = BitConverter.ToUInt32(value.Mask.GetAddressBytes(), 0); - mibIpforwardrow.dwForwardMetric1 = value.Metric1; - mibIpforwardrow.dwForwardMetric2 = value.Metric2; - mibIpforwardrow.dwForwardMetric3 = value.Metric3; - mibIpforwardrow.dwForwardMetric4 = value.Metric4; - mibIpforwardrow.dwForwardMetric5 = value.Metric5; - mibIpforwardrow.dwForwardNextHop = BitConverter.ToUInt32(value.NextHop.GetAddressBytes(), 0); - mibIpforwardrow.dwForwardNextHopAS = value.NextHopAS; - mibIpforwardrow.dwForwardPolicy = value.Policy; - mibIpforwardrow.dwForwardProto = value.Protocol; - mibIpforwardrow.dwForwardType = value.ForwardType; - var adaptersTable = new AdaptersTable(); - mibIpforwardrow.dwForwardIfIndex = adaptersTable.GetAdapterIndex(value.RelatedInterface); - return mibIpforwardrow; - } - } - - [DllImport("iphlpapi", SetLastError = true)] - public static extern int GetIfTable(IntPtr pIfTable, ref int pdwSize, bool bOrder); - - [DllImport("iphlpapi", SetLastError = true)] - public static extern int GetIfEntry(ref MIB_IFROW pIfRow); - - [DllImport("iphlpapi", SetLastError = true)] - public static extern int GetBestRoute(uint dwDestAddr, int dwSourceAddr, out MIB_IPFORWARDROW pRoute); - [DllImport("User32", CharSet = CharSet.Auto, ExactSpelling = true)] public static extern IntPtr GetForegroundWindow(); - - [DllImport("WinINet")] - public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength); } -} +} \ No newline at end of file