sync

linker.tun/ILinkerTunDevice.cs

@@ -1,4 +1,7 @@
-using System.Net;
+using linker.libs.extends;
+using System.Buffers.Binary;
+using System.Net;
+using System.Net.Sockets;
 using System.Text.Json.Serialization;
 
 namespace linker.tun
@@ -118,18 +121,6 @@ namespace linker.tun
     /// </summary>
     public struct LinkerTunDevicPacket
     {
-        /// <summary>
-        /// 协议版本，4或者6
-        /// </summary>
-        public byte Version;
-        /// <summary>
-        /// 源IP
-        /// </summary>
-        public ReadOnlyMemory<byte> SourceIPAddress;
-        /// <summary>
-        /// 目标IP
-        /// </summary>
-        public ReadOnlyMemory<byte> DistIPAddress;
         /// <summary>
         /// 带4字节头的包
         /// </summary>
@@ -139,21 +130,72 @@ namespace linker.tun
         /// </summary>
         public ReadOnlyMemory<byte> IPPacket;
 
+        /// <summary>
+        /// 协议版本，4或者6
+        /// </summary>
+        public byte Version;
+        /// <summary>
+        /// 协议
+        /// </summary>
+        public ProtocolType ProtocolType;
+
+        /// <summary>
+        /// 源IP
+        /// </summary>
+        public ReadOnlyMemory<byte> SourceIPAddress;
+        /// <summary>
+        /// 源端口
+        /// </summary>
+        public ushort SourcePort;
+        /// <summary>
+        /// 源
+        /// </summary>
+        public readonly IPEndPoint Source => new IPEndPoint(new IPAddress(SourceIPAddress.Span), SourcePort);
+
+        /// <summary>
+        /// 目标IP
+        /// </summary>
+        public ReadOnlyMemory<byte> DistIPAddress;
+        /// <summary>
+        /// 目标端口
+        /// </summary>
+        public ushort DistPort;
+        /// <summary>
+        /// 目标
+        /// </summary>
+        public readonly IPEndPoint Dist => new IPEndPoint(new IPAddress(DistIPAddress.Span), DistPort);
+
         public void Unpacket(ReadOnlyMemory<byte> buffer)
         {
             Packet = buffer;
             IPPacket = buffer.Slice(4);
             Version = (byte)(IPPacket.Span[0] >> 4 & 0b1111);
 
+
             if (Version == 4)
             {
                 SourceIPAddress = IPPacket.Slice(12, 4);
                 DistIPAddress = IPPacket.Slice(16, 4);
+
+                ProtocolType = (ProtocolType)IPPacket.Span[9];
+                if (ProtocolType == ProtocolType.Tcp || ProtocolType == ProtocolType.Udp)
+                {
+                    SourcePort = BinaryPrimitives.ReverseEndianness(IPPacket.Slice(20, 2).ToUInt16());
+                    DistPort = BinaryPrimitives.ReverseEndianness(IPPacket.Slice(22, 2).ToUInt16());
+                }
             }
             else if (Version == 6)
             {
                 SourceIPAddress = IPPacket.Slice(8, 16);
                 DistIPAddress = IPPacket.Slice(24, 16);
+
+                ProtocolType = (ProtocolType)IPPacket.Span[6];
+
+                if (ProtocolType == ProtocolType.Tcp || ProtocolType == ProtocolType.Udp)
+                {
+                    SourcePort = BinaryPrimitives.ReverseEndianness(IPPacket.Slice(42, 2).ToUInt16());
+                    DistPort = BinaryPrimitives.ReverseEndianness(IPPacket.Slice(24, 2).ToUInt16());
+                }
             }
         }
     }

linker.tun/LinkerLinuxTunDevice.cs

@@ -53,10 +53,13 @@ namespace linker.tun
         {
             error = string.Empty;
 
+            byte[] ipv6 = IPAddress.Parse("fe80::1818:1818:1818:1818").GetAddressBytes();
+            address.GetAddressBytes().CopyTo(ipv6, ipv6.Length - 4);
+
             CommandHelper.Linux(string.Empty, new string[] {
                 $"ip tuntap add mode tun dev {Name}",
-                $"ip addr del {address}/{prefixLength} dev {Name}",
                 $"ip addr add {address}/{prefixLength} dev {Name}",
+                $"ip addr add {new IPAddress(ipv6)}/64 dev {Name}",
                 $"ip link set dev {Name} up"
             });
 

linker.tun/LinkerWinTunDevice.cs

@@ -64,49 +64,60 @@ namespace linker.tun
             {
                 try
                 {
-                    WinTun.WintunGetAdapterLUID(adapter, out ulong luid);
+                    AddIPV4();
-                    {
+                    AddIPV6();
-                        WinTun.MIB_UNICASTIPADDRESS_ROW AddressRow = default;
-                        WinTun.InitializeUnicastIpAddressEntry(ref AddressRow);
-                        AddressRow.sin_family = 2;
-                        AddressRow.sin_addr = BinaryPrimitives.ReadUInt32LittleEndian(address.GetAddressBytes());
-                        AddressRow.OnLinkPrefixLength = prefixLength;
-                        AddressRow.DadState = 4;
-                        AddressRow.InterfaceLuid = luid;
-                        uint LastError = WinTun.CreateUnicastIpAddressEntry(ref AddressRow);
-                        if (LastError != 0) throw new InvalidOperationException();
-                    }
                     break;
                 }
                 catch (Exception)
                 {
                     Thread.Sleep(1000);
                 }
-                if(i == 4)
+                if (i == 4)
                 {
                     error = ($"Failed to set adapter ip {Marshal.GetLastWin32Error():x2}");
                     Shutdown();
                     return false;
                 }
             }
-            /*
-            {
-                MIB_IPFORWARD_ROW2 row = default;
-                InitializeIpForwardEntry(ref row);
-                row.InterfaceLuid = luid;
-                row.PrefixLength = 0;
-                row.si_family = 2;
-                row.NextHop_si_family = 2;
-                row.sin_addr = 0;
-                row.NextHop_sin_addr = BinaryPrimitives.ReadUInt32LittleEndian(gateway.GetAddressBytes());
-                uint LastError = CreateIpForwardEntry2(ref row);
-                if (LastError != 0) throw new InvalidOperationException();
-            }
-            */
             GetWindowsInterfaceNum();
             tokenSource = new CancellationTokenSource();
             return true;
         }
+
+        private void AddIPV4()
+        {
+            WinTun.WintunGetAdapterLUID(adapter, out ulong luid);
+            {
+                WinTun.MIB_UNICASTIPADDRESS_ROW AddressRow = default;
+                WinTun.InitializeUnicastIpAddressEntry(ref AddressRow);
+                AddressRow.sin_family = 2;
+                AddressRow.sin_addr = BinaryPrimitives.ReadUInt32LittleEndian(address.GetAddressBytes());
+                AddressRow.OnLinkPrefixLength = prefixLength;
+                AddressRow.DadState = 4;
+                AddressRow.InterfaceLuid = luid;
+                uint LastError = WinTun.CreateUnicastIpAddressEntry(ref AddressRow);
+                if (LastError != 0) throw new InvalidOperationException();
+            }
+        }
+        private void AddIPV6()
+        {
+            NetworkInterface networkInterface = NetworkInterface.GetAllNetworkInterfaces().FirstOrDefault(c => c.Name == Name);
+            if (networkInterface != null)
+            {
+                var commands = networkInterface.GetIPProperties()
+                    .UnicastAddresses
+                    .Where(c => c.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
+                    .Select(c => new IPAddress(c.Address.GetAddressBytes(), 0))
+                    .Select(c => $"netsh interface ipv6 delete address \"{Name}\" address=\"{c}\"").ToList();
+
+                byte[] ipv6 = IPAddress.Parse("fe80::1818:1818:1818:1818").GetAddressBytes();
+                address.GetAddressBytes().CopyTo(ipv6, ipv6.Length - 4);
+                commands.Add($"netsh interface ipv6 add address \"{Name}\" address=\"{new IPAddress(ipv6)}\"");
+                CommandHelper.Windows(string.Empty, [.. commands]);
+            }
+        }
+
+
         public void Shutdown()
         {
             tokenSource?.Cancel();
@@ -341,3 +352,5 @@ namespace linker.tun
         }
     }
 }
+
+

linker.tun/WinTun.cs

@@ -5,6 +5,7 @@ namespace linker.tun
     internal static class WinTun
     {
        
+
         [StructLayout(LayoutKind.Explicit, Pack = 1, Size = 80)]
         internal struct MIB_UNICASTIPADDRESS_ROW
         {
@@ -20,6 +21,7 @@ namespace linker.tun
             public int DadState;
         }
        
+
         [StructLayout(LayoutKind.Explicit, Pack = 1, Size = 104)]
         internal struct MIB_IPFORWARD_ROW2
         {
@@ -43,6 +45,7 @@ namespace linker.tun
         [DllImport("iphlpapi.dll", SetLastError = true)]
         internal static extern uint CreateUnicastIpAddressEntry(ref MIB_UNICASTIPADDRESS_ROW Row);
 
+
         [DllImport("iphlpapi.dll", SetLastError = true)]
         internal static extern void InitializeIpForwardEntry(ref MIB_IPFORWARD_ROW2 Row);
 

linker.web/src/views/devices/Tuntap.vue

@@ -82,7 +82,7 @@ export default {
 
         const tuntap = useTuntap();
         const globalData = injectGlobalData();
-        const showDelay = computed(()=>(globalData.value.config.Running.Tuntap.Switch & 2) == 2);
+        const showDelay = computed(()=>((globalData.value.config.Running.Tuntap || {Switch:0}).Switch & 2) == 2);
         const handleTuntap = (tuntap) => {
             const fn = tuntap.running ? stopTuntap (tuntap.MachineId) : runTuntap(tuntap.MachineId);
             tuntap.loading = true;

linker/plugins/tuntap/proxy/TuntapProxy.cs

@@ -78,41 +78,41 @@ namespace linker.plugins.tuntap.proxy
 
         public async Task Callback(LinkerTunDevicPacket packet)
         {
+            //IPV4
             if (packet.Version == 4)
             {
-                uint ip = BinaryPrimitives.ReadUInt32BigEndian(packet.DistIPAddress.Span);
+                // 广播组播
                 if (packet.DistIPAddress.GetIsBroadcastAddress())
                 {
                     if (connections.IsEmpty == false)
                     {
                         await Task.WhenAll(connections.Values.Where(c => c != null && c.Connected).Select(c => c.SendAsync(packet.Packet)));
                     }
+                    return;
                 }
-                else
+
+                uint ip = BinaryPrimitives.ReadUInt32BigEndian(packet.DistIPAddress.Span);
+                if (ipConnections.TryGetValue(ip, out ITunnelConnection connection) == false || connection == null || connection.Connected == false)
                 {
-                    if (ipConnections.TryGetValue(ip, out ITunnelConnection connection) == false || connection == null || connection.Connected == false)
+                    connection = await ConnectTunnel(ip);
-                    {
-                        connection = await ConnectTunnel(ip);
-                        if (connection != null)
-                        {
-                            ipConnections.AddOrUpdate(ip, connection, (a, b) => connection);
-                        }
-                    }
                     if (connection != null)
                     {
-                        await connection.SendAsync(packet.Packet);
+                        ipConnections.AddOrUpdate(ip, connection, (a, b) => connection);
-                    }
-                    else
-                    {
                     }
                 }
+                if (connection != null)
+                {
+                    await connection.SendAsync(packet.Packet);
+                }
             }
+            //IPV6 多播
             else if (packet.Version == 6 && (packet.DistIPAddress.Span[0] & 0xFF) == 0xFF)
             {
                 if (connections.IsEmpty == false)
                 {
                     await Task.WhenAll(connections.Values.Where(c => c != null && c.Connected).Select(c => c.SendAsync(packet.Packet)));
                 }
+                return;
             }
         }