mirror of
https://github.com/rafi1212122/BLHX.Server.git
synced 2025-12-12 14:34:39 +01:00
Okayish pcap parser
This commit is contained in:
rfi
14
BLHX.Server.PcapParser/App.config
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14
BLHX.Server.PcapParser/App.config
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<?xml version="1.0" encoding="utf-8"?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8.1" />
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</startup>
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<runtime>
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<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
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<dependentAssembly>
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<assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
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<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
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</dependentAssembly>
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</assemblyBinding>
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</runtime>
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</configuration>
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121
BLHX.Server.PcapParser/BLHX.Server.PcapParser.csproj
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121
BLHX.Server.PcapParser/BLHX.Server.PcapParser.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{D48CCDD2-F7E5-47EA-95EA-E9B791E9BFAE}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<RootNamespace>BLHX.Server.PcapParser</RootNamespace>
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<AssemblyName>BLHX.Server.PcapParser</AssemblyName>
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<TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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<Deterministic>true</Deterministic>
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<TargetFrameworkProfile />
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<PublishUrl>publish\</PublishUrl>
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<Install>true</Install>
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<InstallFrom>Disk</InstallFrom>
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<UpdateEnabled>false</UpdateEnabled>
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<UpdateMode>Foreground</UpdateMode>
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<UpdateInterval>7</UpdateInterval>
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<UpdateIntervalUnits>Days</UpdateIntervalUnits>
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<UpdatePeriodically>false</UpdatePeriodically>
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<UpdateRequired>false</UpdateRequired>
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<MapFileExtensions>true</MapFileExtensions>
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<ApplicationRevision>0</ApplicationRevision>
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<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
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<IsWebBootstrapper>false</IsWebBootstrapper>
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<UseApplicationTrust>false</UseApplicationTrust>
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<BootstrapperEnabled>true</BootstrapperEnabled>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>x64</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<Prefer32Bit>false</Prefer32Bit>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
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<HintPath>..\packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
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</Reference>
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<Reference Include="PcapDotNet.Base, Version=1.0.4.25027, Culture=neutral, PublicKeyToken=06a20bc2fabb1931, processorArchitecture=MSIL">
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<HintPath>..\packages\Pcap.Net.x64.1.0.4.1\lib\net45\PcapDotNet.Base.dll</HintPath>
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</Reference>
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<Reference Include="PcapDotNet.Core, Version=1.0.4.25149, Culture=neutral, PublicKeyToken=06a20bc2fabb1931, processorArchitecture=AMD64">
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<HintPath>..\packages\Pcap.Net.x64.1.0.4.1\lib\net45\PcapDotNet.Core.dll</HintPath>
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</Reference>
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<Reference Include="PcapDotNet.Core.Extensions, Version=1.0.4.25151, Culture=neutral, PublicKeyToken=06a20bc2fabb1931, processorArchitecture=AMD64">
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<HintPath>..\packages\Pcap.Net.x64.1.0.4.1\lib\net45\PcapDotNet.Core.Extensions.dll</HintPath>
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</Reference>
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<Reference Include="PcapDotNet.Packets, Version=1.0.4.25028, Culture=neutral, PublicKeyToken=06a20bc2fabb1931, processorArchitecture=MSIL">
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<HintPath>..\packages\Pcap.Net.x64.1.0.4.1\lib\net45\PcapDotNet.Packets.dll</HintPath>
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</Reference>
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<Reference Include="protobuf-net, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
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<HintPath>..\packages\protobuf-net.3.2.30\lib\net462\protobuf-net.dll</HintPath>
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</Reference>
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<Reference Include="protobuf-net.Core, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
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<HintPath>..\packages\protobuf-net.Core.3.2.30\lib\net462\protobuf-net.Core.dll</HintPath>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
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</Reference>
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<Reference Include="System.Collections.Immutable, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Collections.Immutable.7.0.0\lib\net462\System.Collections.Immutable.dll</HintPath>
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</Reference>
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<Reference Include="System.Core" />
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<Reference Include="System.Memory, Version=4.0.1.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
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</Reference>
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<Reference Include="System.Numerics" />
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<Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
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</Reference>
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<Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.0.0\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
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</Reference>
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="PcapParser.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="../BLHX.Server.Common/Proto/*" />
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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<None Include="packages.config" />
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</ItemGroup>
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<ItemGroup>
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<BootstrapperPackage Include=".NETFramework,Version=v4.8.1">
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<Visible>False</Visible>
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<ProductName>Microsoft .NET Framework 4.8.1 %28x86 and x64%29</ProductName>
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<Install>true</Install>
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</BootstrapperPackage>
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<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
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<Visible>False</Visible>
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<ProductName>.NET Framework 3.5 SP1</ProductName>
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<Install>false</Install>
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</BootstrapperPackage>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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119
BLHX.Server.PcapParser/PcapParser.cs
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119
BLHX.Server.PcapParser/PcapParser.cs
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using System;
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using System.Buffers.Binary;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using Newtonsoft.Json;
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using BLHX.Server.Common.Proto;
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using PcapDotNet.Core;
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using PcapDotNet.Packets;
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using ProtoBuf;
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namespace BLHX.Server.PcapParser
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{
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class PcapParser
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{
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static MemoryStream memoryStream = new MemoryStream();
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static void Main(string[] args)
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{
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// Check command line
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if (args.Length != 1)
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{
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Console.WriteLine("usage: " + Environment.GetCommandLineArgs()[0] + " <filename>");
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return;
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}
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// Create the offline device
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OfflinePacketDevice selectedDevice = new OfflinePacketDevice(args[0]);
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// Open the capture file
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using (PacketCommunicator communicator =
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selectedDevice.Open(65536, // portion of the packet to capture
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// 65536 guarantees that the whole packet will be captured on all the link layers
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PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
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1000)) // read timeout
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{
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// Read and dispatch packets until EOF is reached
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communicator.ReceivePackets(0, DispatcherHandler);
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}
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ProcessPackets();
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}
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private static void DispatcherHandler(Packet packet)
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{
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var payload = packet.Ethernet.IpV4.Tcp.Payload;
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if (payload.Length < 1)
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return;
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// print packet timestamp and packet length
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Console.WriteLine(packet.Timestamp.ToString("yyyy-MM-dd hh:mm:ss.fff") + " length:" + payload.Length);
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memoryStream.Write(payload.ToArray(), 0, payload.Length);
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}
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private static void ProcessPackets()
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{
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List<BLHXPacket> packets = new List<BLHXPacket>();
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byte[] msBytes = memoryStream.ToArray();
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int readLen = 0;
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while (readLen < msBytes.Length)
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{
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var gamePacket = new BLHXPacket(msBytes.AsSpan(readLen).ToArray());
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readLen += gamePacket.length + BLHXPacket.LENGTH_SIZE;
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packets.Add(gamePacket);
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try
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{
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var protoClass = Assembly.GetExecutingAssembly().GetType($"BLHX.Server.Common.Proto.p{gamePacket.command.ToCategory()}.{gamePacket.command}");
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using (var ms = new MemoryStream(gamePacket.bytes))
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{
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gamePacket.body = Serializer.Deserialize(protoClass, ms);
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}
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}
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catch (Exception)
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{
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Console.WriteLine($"{gamePacket.command} failed to deserialize, {BitConverter.ToString(gamePacket.bytes).Replace("-", "")}");
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}
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}
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Console.WriteLine($"Got {packets.Count} packet(s)");
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File.WriteAllText("packets.json", JsonConvert.SerializeObject(packets));
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}
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}
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static class CommandExtensions
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{
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public static string ToCategory(this Command command)
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{
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string cmdStr = ((ushort)command).ToString();
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return cmdStr.Substring(0, Math.Min(2, cmdStr.Length)); ;
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}
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}
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class BLHXPacket
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{
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public const int LENGTH_SIZE = 2;
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public const int HEADER_SIZE = 5;
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public readonly ushort length;
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public readonly byte flag;
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public readonly Command command;
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public readonly ushort id;
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public readonly byte[] bytes;
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public object body;
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public BLHXPacket(byte[] recv)
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{
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length = BinaryPrimitives.ReadUInt16BigEndian(recv);
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flag = recv[LENGTH_SIZE];
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command = (Command)BinaryPrimitives.ReadUInt16BigEndian(recv.AsSpan(LENGTH_SIZE + 1));
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id = BinaryPrimitives.ReadUInt16BigEndian(recv.AsSpan(HEADER_SIZE));
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bytes = new byte[length - HEADER_SIZE];
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Array.Copy(recv, HEADER_SIZE + LENGTH_SIZE, bytes, 0, length - HEADER_SIZE);
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}
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public T Decode<T>() where T : IExtensible => Serializer.Deserialize<T>(bytes.AsSpan());
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}
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}
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36
BLHX.Server.PcapParser/Properties/AssemblyInfo.cs
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36
BLHX.Server.PcapParser/Properties/AssemblyInfo.cs
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("BLHX.Server.PcapParser")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("BLHX.Server.PcapParser")]
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[assembly: AssemblyCopyright("Copyright © 2024")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("d48ccdd2-f7e5-47ea-95ea-e9b791e9bfae")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]
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12
BLHX.Server.PcapParser/packages.config
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12
BLHX.Server.PcapParser/packages.config
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<?xml version="1.0" encoding="utf-8"?>
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<packages>
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<package id="Newtonsoft.Json" version="13.0.3" targetFramework="net481" />
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<package id="Pcap.Net.x64" version="1.0.4.1" targetFramework="net481" />
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<package id="protobuf-net" version="3.2.30" targetFramework="net481" />
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<package id="protobuf-net.Core" version="3.2.30" targetFramework="net481" />
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<package id="System.Buffers" version="4.5.1" targetFramework="net481" />
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<package id="System.Collections.Immutable" version="7.0.0" targetFramework="net481" />
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<package id="System.Memory" version="4.5.5" targetFramework="net481" />
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<package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net481" />
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<package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net481" />
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</packages>
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Reference in New Issue
Block a user