chizui/Il2CppInspectorRedux
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APK: Add multi-architecture (multiple binaries) support

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Katy Coe
2020-08-07 19:09:25 +02:00
parent 32497364e5
commit 9ee316e8b2
2 changed files with 97 additions and 12 deletions
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35
Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs
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@@ -1,5 +1,5 @@
/*
Copyright 2017-2020 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
Copyright 2017-2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
All rights reserved.
*/
@@ -315,7 +315,7 @@ namespace Il2CppInspector
// Check for Android APK
var metadataFile = zip.Entries.FirstOrDefault(f => f.FullName == "assets/bin/Data/Managed/Metadata/global-metadata.dat");
var binaryFile = zip.Entries.FirstOrDefault(f => f.FullName.StartsWith("lib/") && f.Name == "libil2cpp.so");
var binaryFiles = zip.Entries.Where(f => f.FullName.StartsWith("lib/") && f.Name == "libil2cpp.so");
// Check for iOS IPA
var ipaBinaryFolder = zip.Entries.FirstOrDefault(f => f.FullName.StartsWith("Payload/") && f.FullName.EndsWith(".app/") && f.FullName.Count(x => x == '/') == 2);
@@ -323,30 +323,41 @@ namespace Il2CppInspector
if (ipaBinaryFolder != null) {
var ipaBinaryName = ipaBinaryFolder.FullName[8..^5];
metadataFile = zip.Entries.FirstOrDefault(f => f.FullName == $"Payload/{ipaBinaryName}.app/Data/Managed/Metadata/global-metadata.dat");
binaryFile = zip.Entries.FirstOrDefault(f => f.FullName == $"Payload/{ipaBinaryName}.app/{ipaBinaryName}");
binaryFiles = zip.Entries.Where(f => f.FullName == $"Payload/{ipaBinaryName}.app/{ipaBinaryName}");
}
// This package doesn't contain an IL2CPP application
if (metadataFile == null || binaryFile == null) {
if (metadataFile == null || !binaryFiles.Any()) {
Console.WriteLine($"Package {packageFile} does not contain an IL2CPP application");
return null;
}
// Extract the files to memory
// Extract the metadata file to memory
Console.WriteLine($"Extracting metadata from {packageFile}{Path.DirectorySeparatorChar}{metadataFile.FullName}");
Console.WriteLine($"Extracting binary from {packageFile}{Path.DirectorySeparatorChar}{binaryFile.FullName}");
var binaryMemoryStream = new MemoryStream();
var metadataMemoryStream = new MemoryStream();
metadataStream = metadataFile.Open();
binaryStream = binaryFile.Open();
binaryStream.CopyTo(binaryMemoryStream);
metadataStream.CopyTo(metadataMemoryStream);
binaryMemoryStream.Position = 0;
metadataMemoryStream.Position = 0;
// Extract the binary file or package to memory
var binaryMemoryStream = new MemoryStream();
// IPAs will only have one binary (which may or may not be a UB covering multiple architectures)
if (ipaBinaryFolder != null) {
Console.WriteLine($"Extracting binary from {packageFile}{Path.DirectorySeparatorChar}{binaryFiles.First().FullName}");
binaryStream = binaryFiles.First().Open();
binaryStream.CopyTo(binaryMemoryStream);
binaryMemoryStream.Position = 0;
}
// APKs may have one or more binaries, one per architecture
// We'll read the entire APK and load those via APKReader
else {
binaryMemoryStream = new MemoryStream(File.ReadAllBytes(packageFile));
}
return (metadataMemoryStream, binaryMemoryStream);
}