--- /dev/null
+using System;
+using System.Text;
+
+namespace AmongUs.Tools.Proxy
+{
+ public static class HexUtils
+ {
+ public static string HexDump(byte[] bytes, int bytesPerLine = 16)
+ {
+ if (bytes == null) return "<null>";
+ int bytesLength = bytes.Length;
+
+ char[] HexChars = "0123456789ABCDEF".ToCharArray();
+
+ int firstHexColumn =
+ 8 // 8 characters for the address
+ + 3; // 3 spaces
+
+ int firstCharColumn = firstHexColumn
+ + bytesPerLine * 3 // - 2 digit for the hexadecimal value and 1 space
+ + (bytesPerLine - 1) / 8 // - 1 extra space every 8 characters from the 9th
+ + 2; // 2 spaces
+
+ int lineLength = firstCharColumn
+ + bytesPerLine // - characters to show the ascii value
+ + Environment.NewLine.Length; // Carriage return and line feed (should normally be 2)
+
+ char[] line = (new String(' ', lineLength - Environment.NewLine.Length) + Environment.NewLine).ToCharArray();
+ int expectedLines = (bytesLength + bytesPerLine - 1) / bytesPerLine;
+ StringBuilder result = new StringBuilder(expectedLines * lineLength);
+
+ for (int i = 0; i < bytesLength; i += bytesPerLine)
+ {
+ line[0] = HexChars[(i >> 28) & 0xF];
+ line[1] = HexChars[(i >> 24) & 0xF];
+ line[2] = HexChars[(i >> 20) & 0xF];
+ line[3] = HexChars[(i >> 16) & 0xF];
+ line[4] = HexChars[(i >> 12) & 0xF];
+ line[5] = HexChars[(i >> 8) & 0xF];
+ line[6] = HexChars[(i >> 4) & 0xF];
+ line[7] = HexChars[(i >> 0) & 0xF];
+
+ int hexColumn = firstHexColumn;
+ int charColumn = firstCharColumn;
+
+ for (int j = 0; j < bytesPerLine; j++)
+ {
+ if (j > 0 && (j & 7) == 0) hexColumn++;
+ if (i + j >= bytesLength)
+ {
+ line[hexColumn] = ' ';
+ line[hexColumn + 1] = ' ';
+ line[charColumn] = ' ';
+ }
+ else
+ {
+ byte b = bytes[i + j];
+ line[hexColumn] = HexChars[(b >> 4) & 0xF];
+ line[hexColumn + 1] = HexChars[b & 0xF];
+ line[charColumn] = (b < 32 ? '·' : (char)b);
+ }
+ hexColumn += 3;
+ charColumn++;
+ }
+ result.Append(line);
+ }
+ return result.ToString();
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Hazel;
+using Hazel.Udp;
+using PcapDotNet.Core;
+using PcapDotNet.Packets;
+
+namespace AmongUs.Tools.Proxy
+{
+ internal static class Program
+ {
+ private const string DeviceName = "Intel(R) I211 Gigabit Network Connection";
+
+ private static readonly Dictionary<byte, string> TagMap = new Dictionary<byte, string>
+ {
+ {0, "HostGame"},
+ {1, "JoinGame"},
+ {2, "StartGame"},
+ {3, "RemoveGame"},
+ {4, "RemovePlayer"},
+ {5, "GameData"},
+ {6, "GameDataTo"},
+ {7, "JoinedGame"},
+ {8, "EndGame"},
+ {9, "GetGameList"},
+ {10, "AlterGame"},
+ {11, "KickPlayer"},
+ {12, "WaitForHost"},
+ {13, "Redirect"},
+ {14, "ReselectServer"},
+ {16, "GetGameListV2"}
+ };
+
+ private static void Main(string[] args)
+ {
+ var devices = LivePacketDevice.AllLocalMachine;
+ if (devices.Count == 0)
+ {
+ Console.WriteLine("No interfaces found! Make sure WinPcap is installed.");
+ return;
+ }
+
+ var device = devices.FirstOrDefault(x => x.Description.Contains(DeviceName));
+ if (device == null)
+ {
+ Console.WriteLine("Unable to find configured device.");
+ return;
+ }
+
+ using (var communicator = device.Open(65536, PacketDeviceOpenAttributes.Promiscuous, 1000))
+ {
+ using (var filter = communicator.CreateFilter("udp and port 22023"))
+ {
+ communicator.SetFilter(filter);
+ }
+
+ communicator.ReceivePackets(0, PacketHandler);
+ }
+ }
+
+ private static void PacketHandler(Packet packet)
+ {
+ var ip = packet.Ethernet.IpV4;
+ var ipSrc = ip.Source.ToString();
+ var udp = ip.Udp;
+
+ // True if this is our own packet.
+ using (var stream = udp.Payload.ToMemoryStream())
+ {
+ var reader = MessageReader.Get(stream.ToArray());
+ if (reader.Buffer[0] == (byte) SendOption.Reliable)
+ {
+ reader.Offset = 3;
+ reader.Length = udp.Payload.Length - 3;
+ reader.Position = 0;
+ }
+ else if (reader.Buffer[0] == (byte) UdpSendOption.Acknowledgement ||
+ reader.Buffer[0] == (byte) UdpSendOption.Ping ||
+ reader.Buffer[0] == (byte) UdpSendOption.Hello ||
+ reader.Buffer[0] == (byte) UdpSendOption.Disconnect)
+ {
+ return;
+ }
+ else
+ {
+ reader.Offset = 1;
+ reader.Length = udp.Payload.Length - 1;
+ reader.Position = 0;
+ }
+
+ var isSent = ipSrc.StartsWith("192.");
+
+ while (true)
+ {
+ if (reader.Position >= reader.Length)
+ {
+ break;
+ }
+
+ var message = reader.ReadMessage();
+ if (isSent)
+ {
+ HandleToServer(ipSrc, message);
+ }
+ else
+ {
+ HandleToClient(ipSrc, message);
+ }
+
+ if (message.Position < message.Length)
+ {
+ Console.ForegroundColor = ConsoleColor.Red;
+ Console.WriteLine("- Did not consume all bytes.");
+ }
+ }
+ }
+ }
+
+ private static void HandleToClient(string source, MessageReader packet)
+ {
+ var tagName = TagMap.ContainsKey(packet.Tag) ? TagMap[packet.Tag] : "Unknown";
+ Console.ForegroundColor = ConsoleColor.Cyan;
+ Console.WriteLine($"{source,-15} Client received: {packet.Tag,-2} {tagName}");
+
+ switch (packet.Tag)
+ {
+ case 14:
+ case 13:
+ packet.Position = packet.Length;
+ break;
+ case 0:
+ Console.WriteLine("- GameCode " + packet.ReadInt32());
+ break;
+ case 5:
+ case 6:
+ Console.WriteLine(HexUtils.HexDump(packet.Buffer.Take(packet.Length).ToArray()));
+ packet.Position = packet.Length;
+ break;
+ case 7:
+ Console.WriteLine("- GameCode " + packet.ReadInt32());
+ Console.WriteLine("- PlayerId " + packet.ReadInt32());
+ Console.WriteLine("- Host " + packet.ReadInt32());
+ var playerCount = packet.ReadPackedInt32();
+ Console.WriteLine("- PlayerCount " + playerCount);
+ for (var i = 0; i < playerCount; i++)
+ {
+ Console.WriteLine("- PlayerId " + packet.ReadPackedInt32());
+ }
+ break;
+ case 10:
+ Console.WriteLine("- GameCode " + packet.ReadInt32());
+ Console.WriteLine("- Flag " + packet.ReadSByte());
+ Console.WriteLine("- Value " + packet.ReadBoolean());
+ break;
+ }
+ }
+
+ private static void HandleToServer(string source, MessageReader packet)
+ {
+ var tagName = TagMap.ContainsKey(packet.Tag) ? TagMap[packet.Tag] : "Unknown";
+ Console.ForegroundColor = ConsoleColor.White;
+ Console.WriteLine($"{source,-15} Server received: {packet.Tag,-2} {tagName}");
+
+ switch (packet.Tag)
+ {
+ case 0:
+ Console.WriteLine("- GameInfo length " + packet.ReadBytesAndSize().Length);
+ break;
+ case 1:
+ Console.WriteLine("- GameCode " + packet.ReadInt32());
+ Console.WriteLine("- Unknown " + packet.ReadByte());
+ break;
+ case 5:
+ case 6:
+ Console.WriteLine("- GameCode " + packet.ReadInt32());
+ Console.WriteLine(HexUtils.HexDump(packet.Buffer.Take(packet.Length).ToArray()));
+ packet.Position = packet.Length;
+ break;
+ }
+ }
+ }
+}
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AmongUs.Tests", "AmongUs.Tests\AmongUs.Tests.csproj", "{C1385C67-A7DD-46D2-80F6-FA428B85FB22}"
EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tools", "tools", "{56DD9707-D811-4056-9E2C-8A9CC2479B07}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AmongUs.Tools.Proxy", "AmongUs.Tools.Proxy\AmongUs.Tools.Proxy.csproj", "{D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
{C1385C67-A7DD-46D2-80F6-FA428B85FB22}.Release|Any CPU.Build.0 = Release|Any CPU
{C1385C67-A7DD-46D2-80F6-FA428B85FB22}.Release|x86.ActiveCfg = Release|Any CPU
{C1385C67-A7DD-46D2-80F6-FA428B85FB22}.Release|x86.Build.0 = Release|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Debug|x86.ActiveCfg = Debug|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Debug|x86.Build.0 = Debug|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Release|Any CPU.Build.0 = Release|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Release|x86.ActiveCfg = Release|Any CPU
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(NestedProjects) = preSolution
{02CFBD30-D77D-400F-94B2-700F60EFDD7F} = {DFA3CC6A-A27C-4713-876D-A55912C78C45}
+ {D16B8DE9-8EE2-4F6A-9352-305D5AB0233D} = {56DD9707-D811-4056-9E2C-8A9CC2479B07}
EndGlobalSection
EndGlobal
projects / rhonda / impostor.git / commitdiff