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365 lines
14 KiB
365 lines
14 KiB
using IPA.Patcher;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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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 System.Runtime.InteropServices;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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namespace IPA
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{
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public class Program
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{
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public enum Architecture {
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x86,
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x64,
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Unknown
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}
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static void Main(string[] args)
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{
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if(args.Length < 1 || !args[0].EndsWith(".exe"))
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{
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Fail("Drag an (executable) file on the exe!");
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}
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try
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{
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var context = PatchContext.Create(args);
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bool isRevert = args.Contains("--revert") || Keyboard.IsKeyDown(Keys.LMenu);
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// Sanitizing
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Validate(context);
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if (isRevert)
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{
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Revert(context);
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}
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else
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{
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Install(context);
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StartIfNeedBe(context);
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}
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} catch(Exception e)
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{
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Fail(e.Message);
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}
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}
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private static void Validate(PatchContext c)
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{
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if (!File.Exists(c.LauncherPathSrc)) Fail("Couldn't find DLLs! Make sure you extracted all contents of the release archive.");
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if (!Directory.Exists(c.DataPathDst) || !File.Exists(c.EngineFile))
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{
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Fail("Game does not seem to be a Unity project. Could not find the libraries to patch.");
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}
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}
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private static void Install(PatchContext context)
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{
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try
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{
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var backup = new BackupUnit(context);
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// Copying
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Console.WriteLine("Updating files... ");
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var nativePluginFolder = Path.Combine(context.DataPathDst, "Plugins");
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bool isFlat = Directory.Exists(nativePluginFolder) && Directory.GetFiles(nativePluginFolder).Any(f => f.EndsWith(".dll"));
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bool force = !BackupManager.HasBackup(context) || context.Args.Contains("-f") || context.Args.Contains("--force");
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var architecture = DetectArchitecture(context.Executable);
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Console.WriteLine("Architecture: {0}", architecture);
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CopyAll(new DirectoryInfo(context.DataPathSrc), new DirectoryInfo(context.DataPathDst), force, backup,
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(from, to) => NativePluginInterceptor(from, to, new DirectoryInfo(nativePluginFolder), isFlat, architecture) );
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Console.WriteLine("Successfully updated files!");
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if (!Directory.Exists(context.PluginsFolder))
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{
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Console.WriteLine("Creating plugins folder... ");
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Directory.CreateDirectory(context.PluginsFolder);
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}
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// Patching
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var patchedModule = PatchedModule.Load(context.EngineFile);
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if (!patchedModule.IsPatched)
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{
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Console.Write("Patching UnityEngine.dll... ");
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backup.Add(context.EngineFile);
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patchedModule.Patch();
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Console.WriteLine("Done!");
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}
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// Virtualizing
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if (File.Exists(context.AssemblyFile))
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{
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var virtualizedModule = VirtualizedModule.Load(context.AssemblyFile);
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if (!virtualizedModule.IsVirtualized)
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{
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Console.Write("Virtualizing Assembly-Csharp.dll... ");
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backup.Add(context.AssemblyFile);
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virtualizedModule.Virtualize();
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Console.WriteLine("Done!");
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}
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}
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// Creating shortcut
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if(!File.Exists(context.ShortcutPath))
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{
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Console.Write("Creating shortcut to IPA ({0})... ", context.IPA);
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try
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{
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Shortcut.Create(
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fileName: context.ShortcutPath,
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targetPath: context.IPA,
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arguments: Args(context.Executable, "--launch"),
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workingDirectory: context.ProjectRoot,
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description: "Launches the game and makes sure it's in a patched state",
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hotkey: "",
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iconPath: context.Executable
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);
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Console.WriteLine("Created");
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} catch (Exception e)
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{
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Console.Error.WriteLine("Failed to create shortcut, but game was patched!");
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}
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}
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}
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catch (Exception e)
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{
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Fail("Oops! This should not have happened.\n\n" + e);
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}
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Console.ForegroundColor = ConsoleColor.Green;
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Console.WriteLine("Finished!");
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Console.ResetColor();
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}
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private static void Revert(PatchContext context)
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{
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Console.Write("Restoring backup... ");
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if(BackupManager.Restore(context))
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{
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Console.WriteLine("Done!");
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} else
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{
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Console.WriteLine("Already vanilla!");
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}
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if (File.Exists(context.ShortcutPath))
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{
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Console.WriteLine("Deleting shortcut...");
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File.Delete(context.ShortcutPath);
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}
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Console.WriteLine("");
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Console.WriteLine("--- Done reverting ---");
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if (!Environment.CommandLine.Contains("--nowait"))
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{
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Console.WriteLine("\n\n[Press any key to quit]");
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Console.ReadKey();
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}
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}
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private static void StartIfNeedBe(PatchContext context)
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{
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var argList = context.Args.ToList();
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bool launch = argList.Remove("--launch");
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argList.RemoveAt(0);
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if(launch)
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{
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Process.Start(context.Executable, Args(argList.ToArray()));
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}
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}
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public static IEnumerable<FileInfo> NativePluginInterceptor(FileInfo from, FileInfo to, DirectoryInfo nativePluginFolder, bool isFlat, Architecture preferredArchitecture)
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{
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if (to.FullName.StartsWith(nativePluginFolder.FullName))
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{
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var relevantBit = to.FullName.Substring(nativePluginFolder.FullName.Length + 1);
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// Goes into the plugin folder!
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bool isFileFlat = !relevantBit.StartsWith("x86");
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if (isFlat && !isFileFlat)
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{
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// Flatten structure
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bool is64Bit = relevantBit.StartsWith("x86_64");
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if (!is64Bit && preferredArchitecture == Architecture.x86)
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{
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// 32 bit
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yield return new FileInfo(Path.Combine(nativePluginFolder.FullName, relevantBit.Substring("x86".Length + 1)));
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}
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else if(is64Bit && (preferredArchitecture == Architecture.x64 || preferredArchitecture == Architecture.Unknown))
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{
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// 64 bit
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yield return new FileInfo(Path.Combine(nativePluginFolder.FullName, relevantBit.Substring("x86_64".Length + 1)));
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} else {
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// Throw away
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yield break;
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}
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}
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else if (!isFlat && isFileFlat)
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{
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// Deepen structure
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yield return new FileInfo(Path.Combine(Path.Combine(nativePluginFolder.FullName, "x86"), relevantBit));
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yield return new FileInfo(Path.Combine(Path.Combine(nativePluginFolder.FullName, "x86_64"), relevantBit));
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}
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else
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{
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yield return to;
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}
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}
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else
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{
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yield return to;
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}
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}
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private static IEnumerable<FileInfo> PassThroughInterceptor(FileInfo from, FileInfo to)
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{
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yield return to;
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}
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public static void CopyAll(DirectoryInfo source, DirectoryInfo target, bool aggressive, BackupUnit backup, Func<FileInfo, FileInfo, IEnumerable<FileInfo>> interceptor = null)
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{
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if(interceptor == null)
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{
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interceptor = PassThroughInterceptor;
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}
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// Copy each file into the new directory.
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foreach (FileInfo fi in source.GetFiles())
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{
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foreach(var targetFile in interceptor(fi, new FileInfo(Path.Combine(target.FullName, fi.Name)))) {
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if (!targetFile.Exists || targetFile.LastWriteTimeUtc < fi.LastWriteTimeUtc || aggressive)
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{
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targetFile.Directory.Create();
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Console.WriteLine(@"Copying {0}", targetFile.FullName);
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backup.Add(targetFile);
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fi.CopyTo(targetFile.FullName, true);
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}
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}
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}
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// Copy each subdirectory using recursion.
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foreach (DirectoryInfo diSourceSubDir in source.GetDirectories())
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{
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DirectoryInfo nextTargetSubDir = new DirectoryInfo(Path.Combine(target.FullName, diSourceSubDir.Name));
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CopyAll(diSourceSubDir, nextTargetSubDir, aggressive, backup, interceptor);
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}
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}
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static void Fail(string message)
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{
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Console.Error.Write("ERROR: " + message);
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if (!Environment.CommandLine.Contains("--nowait"))
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{
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Console.WriteLine("\n\n[Press any key to quit]");
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Console.ReadKey();
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}
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Environment.Exit(1);
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}
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public static string Args(params string[] args)
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{
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return string.Join(" ", args.Select(EncodeParameterArgument).ToArray());
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}
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/// <summary>
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/// Encodes an argument for passing into a program
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/// </summary>
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/// <param name="original">The value that should be received by the program</param>
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/// <returns>The value which needs to be passed to the program for the original value
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/// to come through</returns>
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public static string EncodeParameterArgument(string original)
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{
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if (string.IsNullOrEmpty(original))
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return original;
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string value = Regex.Replace(original, @"(\\*)" + "\"", @"$1\$0");
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value = Regex.Replace(value, @"^(.*\s.*?)(\\*)$", "\"$1$2$2\"");
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return value;
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}
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public static Architecture DetectArchitecture(string assembly)
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{
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using (var reader = new BinaryReader(File.OpenRead(assembly)))
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{
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var header = reader.ReadUInt16();
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if(header == 0x5a4d)
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{
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reader.BaseStream.Seek(60, SeekOrigin.Begin); // this location contains the offset for the PE header
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var peOffset = reader.ReadUInt32();
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reader.BaseStream.Seek(peOffset + 4, SeekOrigin.Begin);
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var machine = reader.ReadUInt16();
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if (machine == 0x8664) // IMAGE_FILE_MACHINE_AMD64
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return Architecture.x64;
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else if (machine == 0x014c) // IMAGE_FILE_MACHINE_I386
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return Architecture.x86;
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else if (machine == 0x0200) // IMAGE_FILE_MACHINE_IA64
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return Architecture.x64;
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else
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return Architecture.Unknown;
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} else
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{
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// Not a supported binary
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return Architecture.Unknown;
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}
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}
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}
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public abstract class Keyboard
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{
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[Flags]
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private enum KeyStates
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{
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None = 0,
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Down = 1,
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Toggled = 2
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}
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[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
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private static extern short GetKeyState(int keyCode);
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private static KeyStates GetKeyState(Keys key)
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{
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KeyStates state = KeyStates.None;
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short retVal = GetKeyState((int)key);
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//If the high-order bit is 1, the key is down
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//otherwise, it is up.
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if ((retVal & 0x8000) == 0x8000)
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state |= KeyStates.Down;
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//If the low-order bit is 1, the key is toggled.
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if ((retVal & 1) == 1)
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state |= KeyStates.Toggled;
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return state;
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}
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public static bool IsKeyDown(Keys key)
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{
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return KeyStates.Down == (GetKeyState(key) & KeyStates.Down);
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}
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public static bool IsKeyToggled(Keys key)
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{
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return KeyStates.Toggled == (GetKeyState(key) & KeyStates.Toggled);
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}
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}
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}
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}
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