From 1e504681074e3db6db2ccc4a37f69dcd35a2a3c5 Mon Sep 17 00:00:00 2001 From: ppc Date: Tue, 6 Aug 2024 18:10:38 +0100 Subject: [PATCH] create game-side .dll (initial commit) --- .gitignore | 398 ++++++++++++++++++++++++++++ AimeNet.sln | 16 ++ AimeNet/AimeNet.csproj | 40 +++ AimeNet/AppJsonSerializerContext.cs | 15 ++ AimeNet/DllMain.cs | 196 ++++++++++++++ AimeNet/NativeMethods.txt | 3 + 6 files changed, 668 insertions(+) create mode 100644 .gitignore create mode 100644 AimeNet.sln create mode 100644 AimeNet/AimeNet.csproj create mode 100644 AimeNet/AppJsonSerializerContext.cs create mode 100644 AimeNet/DllMain.cs create mode 100644 AimeNet/NativeMethods.txt diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..8dd4607 --- /dev/null +++ b/.gitignore @@ -0,0 +1,398 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. Comment the next line if you want to +# checkin your Azure Web App publish settings, but sensitive information contained +# in these scripts will be unencrypted +PublishScripts/ + +# NuGet Packages +*.nupkg +# NuGet Symbol Packages +*.snupkg +# The packages folder can be ignored because of Package Restore +**/[Pp]ackages/* +# except build/, which is used as an MSBuild target. +!**/[Pp]ackages/build/ +# Uncomment if necessary however generally it will be regenerated when needed +#!**/[Pp]ackages/repositories.config +# NuGet v3's project.json files produces more ignorable files +*.nuget.props +*.nuget.targets + +# Microsoft Azure Build Output +csx/ +*.build.csdef + +# Microsoft Azure Emulator +ecf/ +rcf/ + +# Windows Store app package directories and files +AppPackages/ +BundleArtifacts/ +Package.StoreAssociation.xml +_pkginfo.txt +*.appx +*.appxbundle +*.appxupload + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!?*.[Cc]ache/ + +# Others +ClientBin/ +~$* +*~ +*.dbmdl +*.dbproj.schemaview +*.jfm +*.pfx +*.publishsettings +orleans.codegen.cs + +# Including strong name files can present a security risk +# (https://github.com/github/gitignore/pull/2483#issue-259490424) +#*.snk + +# Since there are multiple workflows, uncomment next line to ignore bower_components +# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) +#bower_components/ + +# RIA/Silverlight projects +Generated_Code/ + +# Backup & report files from converting an old project file +# to a newer Visual Studio version. Backup files are not needed, +# because we have git ;-) +_UpgradeReport_Files/ +Backup*/ +UpgradeLog*.XML +UpgradeLog*.htm +ServiceFabricBackup/ +*.rptproj.bak + +# SQL Server files +*.mdf +*.ldf +*.ndf + +# Business Intelligence projects +*.rdl.data +*.bim.layout +*.bim_*.settings +*.rptproj.rsuser +*- [Bb]ackup.rdl +*- [Bb]ackup ([0-9]).rdl +*- [Bb]ackup ([0-9][0-9]).rdl + +# Microsoft Fakes +FakesAssemblies/ + +# GhostDoc plugin setting file +*.GhostDoc.xml + +# Node.js Tools for Visual Studio +.ntvs_analysis.dat +node_modules/ + +# Visual Studio 6 build log +*.plg + +# Visual Studio 6 workspace options file +*.opt + +# Visual Studio 6 auto-generated workspace file (contains which files were open etc.) +*.vbw + +# Visual Studio 6 auto-generated project file (contains which files were open etc.) +*.vbp + +# Visual Studio 6 workspace and project file (working project files containing files to include in project) +*.dsw +*.dsp + +# Visual Studio 6 technical files +*.ncb +*.aps + +# Visual Studio LightSwitch build output +**/*.HTMLClient/GeneratedArtifacts +**/*.DesktopClient/GeneratedArtifacts +**/*.DesktopClient/ModelManifest.xml +**/*.Server/GeneratedArtifacts +**/*.Server/ModelManifest.xml +_Pvt_Extensions + +# Paket dependency manager +.paket/paket.exe +paket-files/ + +# FAKE - F# Make +.fake/ + +# CodeRush personal settings +.cr/personal + +# Python Tools for Visual Studio (PTVS) +__pycache__/ +*.pyc + +# Cake - Uncomment if you are using it +# tools/** +# !tools/packages.config + +# Tabs Studio +*.tss + +# Telerik's JustMock configuration file +*.jmconfig + +# BizTalk build output +*.btp.cs +*.btm.cs +*.odx.cs +*.xsd.cs + +# OpenCover UI analysis results +OpenCover/ + +# Azure Stream Analytics local run output +ASALocalRun/ + +# MSBuild Binary and Structured Log +*.binlog + +# NVidia Nsight GPU debugger configuration file +*.nvuser + +# MFractors (Xamarin productivity tool) working folder +.mfractor/ + +# Local History for Visual Studio +.localhistory/ + +# Visual Studio History (VSHistory) files +.vshistory/ + +# BeatPulse healthcheck temp database +healthchecksdb + +# Backup folder for Package Reference Convert tool in Visual Studio 2017 +MigrationBackup/ + +# Ionide (cross platform F# VS Code tools) working folder +.ionide/ + +# Fody - auto-generated XML schema +FodyWeavers.xsd + +# VS Code files for those working on multiple tools +.vscode/* +!.vscode/settings.json +!.vscode/tasks.json +!.vscode/launch.json +!.vscode/extensions.json +*.code-workspace + +# Local History for Visual Studio Code +.history/ + +# Windows Installer files from build outputs +*.cab +*.msi +*.msix +*.msm +*.msp + +# JetBrains Rider +*.sln.iml \ No newline at end of file diff --git a/AimeNet.sln b/AimeNet.sln new file mode 100644 index 0000000..4c96307 --- /dev/null +++ b/AimeNet.sln @@ -0,0 +1,16 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AimeNet", "AimeNet\AimeNet.csproj", "{C9FA2545-F15C-4517-B3AB-55B8FC23FA04}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {C9FA2545-F15C-4517-B3AB-55B8FC23FA04}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {C9FA2545-F15C-4517-B3AB-55B8FC23FA04}.Debug|Any CPU.Build.0 = Debug|Any CPU + {C9FA2545-F15C-4517-B3AB-55B8FC23FA04}.Release|Any CPU.ActiveCfg = Release|Any CPU + {C9FA2545-F15C-4517-B3AB-55B8FC23FA04}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection +EndGlobal diff --git a/AimeNet/AimeNet.csproj b/AimeNet/AimeNet.csproj new file mode 100644 index 0000000..e5994bf --- /dev/null +++ b/AimeNet/AimeNet.csproj @@ -0,0 +1,40 @@ + + + + true + Library + false + net8.0-windows + Size + true + + + + None + false + false + false + false + true + false + false + false + false + + + + + all + runtime; build; native; contentfiles; analyzers; buildtransitive + + + + + + + + + + + + diff --git a/AimeNet/AppJsonSerializerContext.cs b/AimeNet/AppJsonSerializerContext.cs new file mode 100644 index 0000000..88c11c3 --- /dev/null +++ b/AimeNet/AppJsonSerializerContext.cs @@ -0,0 +1,15 @@ +using System.Text.Json.Serialization; + +namespace AimeNet; + +public record SystemState( + [property: JsonPropertyName("api_ver")] int ApiVersion, + [property: JsonPropertyName("server_name")] string ServerName); + +public record CardReadRequest( + [property: JsonPropertyName("card_id")] string MatrixCode); + +[JsonSerializable(typeof(SystemState))] +[JsonSerializable(typeof(CardReadRequest))] +[JsonSourceGenerationOptions(WriteIndented = true)] +public partial class AppJsonSerializerContext : JsonSerializerContext; \ No newline at end of file diff --git a/AimeNet/DllMain.cs b/AimeNet/DllMain.cs new file mode 100644 index 0000000..ef4711d --- /dev/null +++ b/AimeNet/DllMain.cs @@ -0,0 +1,196 @@ +using System; +using System.Globalization; +using System.IO; +using System.Linq; +using System.Runtime.InteropServices; +using System.Text; +using System.Text.Json; +using System.Threading; +using Windows.Win32; +using Windows.Win32.Foundation; +using Microsoft.AspNetCore.Builder; +using Microsoft.AspNetCore.Hosting; +using Microsoft.AspNetCore.Http; +using Microsoft.Extensions.DependencyInjection; +using Microsoft.Extensions.Logging; + +namespace AimeNet; + +public static class DllMain +{ + private const int ApiVersion = 1; + private const string WebAddress = "http://amnet.ppc.moe"; + + private static ILogger _serverLogger; + + private static string[] _serverAddresses; + private static string _serverName; + + private static (byte[] IdBytes, string OriginalId, long Expires)? _currentCard; + + private static readonly object CardLock = new(); + + static DllMain() + { + PInvoke.AllocConsole(); + } + + [UnmanagedCallersOnly(EntryPoint = "aime_io_get_api_version")] + public static ushort GetApiVersion() => 0x0100; + + [UnmanagedCallersOnly(EntryPoint = "aime_io_init")] + public static int Init() + { + LoadConfiguration(); + + var builder = WebApplication.CreateSlimBuilder([]); + + builder.Logging.ClearProviders(); + builder.Logging.AddSimpleConsole(o => + { + o.SingleLine = true; + o.IncludeScopes = false; + }); + + builder.Logging.SetMinimumLevel(LogLevel.Information); + builder.Logging.AddFilter("Microsoft.AspNetCore.Http.Result", LogLevel.None); + builder.Logging.AddFilter("Microsoft.AspNetCore.Routing.EndpointMiddleware", LogLevel.Error); + + builder.WebHost.UseUrls(_serverAddresses); + builder.Services.ConfigureHttpJsonOptions(options => + { + options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default); + }); + + var app = builder.Build(); + + app.MapGet("/", () => Results.Ok(new SystemState(ApiVersion, _serverName))); + app.MapPost("/card", async ctx => + { + CardReadRequest request; + + try + { + request = await ctx.Request.ReadFromJsonAsync(); + } + catch (JsonException e) + { + await using var writer = new StreamWriter(ctx.Response.Body, Encoding.UTF8, leaveOpen: true); + await writer.WriteLineAsync(e.Message); + + ctx.Response.StatusCode = 400; + return; + } + + lock (CardLock) + { + // don't allow multiple writes in quick succession + if (_currentCard?.Expires > Environment.TickCount64) + { + ctx.Response.StatusCode = 429; + ctx.Response.Headers.RetryAfter = ((int)TimeSpan.FromTicks(_currentCard.Value.Expires - Environment.TickCount64).TotalSeconds).ToString(); + return; + } + + if (request.MatrixCode.Length < 20) + { + ctx.Response.StatusCode = 400; + return; + } + + // ensure the matrix code is 20-digits long, otherwise pad with zeros + var matrixCode = request.MatrixCode.PadLeft(20, '0'); + var bytes = new byte[10]; + + for (var i = 0; i < 10; i++) + { + var value = matrixCode.Substring(i * 2, 2); + bytes[i] = byte.Parse(value, NumberStyles.HexNumber); + } + + _currentCard = (bytes, matrixCode, Environment.TickCount64 + 5000000); + } + + ctx.Response.StatusCode = 204; + }); + + _serverLogger = app.Logger; + + CancellationTokenRegistration cancellationRegistration = default; + cancellationRegistration = app.Lifetime.ApplicationStarted.Register(() => + { + _serverLogger.LogInformation("AimeNet started successfully."); + _serverLogger.LogInformation("Visit {addr} from a mobile device on the same network to get started.", WebAddress); + + cancellationRegistration.Dispose(); + }); + + app.RunAsync(); + + return 0; + } + + [UnmanagedCallersOnly(EntryPoint = "aime_io_nfc_poll")] + public static int NfcPoll(byte unitNo) + { + if (_currentCard.HasValue && _currentCard.Value.Expires < Environment.TickCount64) + { + lock (CardLock) + { + _currentCard = null; + } + } + + // there's no polling here (handled by the webserver) + return 0; + } + + [UnmanagedCallersOnly(EntryPoint = "aime_io_nfc_get_aime_id")] + public static int GetAimeId(byte unitNo, nint luid, nint luidSize) + { + lock (CardLock) + { + if (unitNo != 0 || _currentCard == null) + { + return 1; + } + + Marshal.Copy(_currentCard.Value.IdBytes, 0, luid, (int)luidSize); + + _serverLogger.LogInformation("Aime Card read: {0}", string.Join(" ", Enumerable.Range(0, 5).Select(x => _currentCard.Value.OriginalId.Substring(x * 4, 4)))); + _currentCard = null; + } + + return 0; + } + + [UnmanagedCallersOnly(EntryPoint = "aime_io_nfc_get_felica_id")] + public static unsafe int GetFelicaId(byte unitNo, ulong* idm) + { + // felica not supported + return 1; + } + + [UnmanagedCallersOnly(EntryPoint = "aime_io_led_set_color")] + public static void SetLedColour(byte unitNo, byte r, byte g, byte b) + { + // do nothing + } + + private static unsafe void LoadConfiguration() + { + const string configFileName = @".\segatools.ini"; + + var serverName = stackalloc char[64]; + var serverNameStr = new PWSTR(serverName); + + var serverAddress = stackalloc char[1024]; + var serverAddressStr = new PWSTR(serverAddress); + + PInvoke.GetPrivateProfileString("aimeio", "serverName", Environment.MachineName, serverNameStr, 64, configFileName); + PInvoke.GetPrivateProfileString("aimeio", "serverAddress", "http://+:6070", serverAddressStr, 1024, configFileName); + + _serverName = serverNameStr.ToString(); + _serverAddresses = serverAddressStr.ToString().Split(';'); + } +} \ No newline at end of file diff --git a/AimeNet/NativeMethods.txt b/AimeNet/NativeMethods.txt new file mode 100644 index 0000000..3c5510e --- /dev/null +++ b/AimeNet/NativeMethods.txt @@ -0,0 +1,3 @@ +GetPrivateProfileStringW +GetPrivateProfileInt +AllocConsole \ No newline at end of file