From ef9e9de713aa19532c388ddc2e9ac435c463ce76 Mon Sep 17 00:00:00 2001 From: Perfare Date: Sat, 31 Dec 2016 02:33:34 +0800 Subject: [PATCH] =?UTF-8?q?=E5=88=9D=E5=A7=8B=E5=8C=96=E6=8F=90=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitattributes | 63 ++++++ .gitignore | 242 ++++++++++++++++++++ Il2CppDumper.sln | 22 ++ Il2CppDumper/DefineConstants.cs | 20 ++ Il2CppDumper/Elf.cs | 130 +++++++++++ Il2CppDumper/ElfClass.cs | 71 ++++++ Il2CppDumper/Il2Cpp.cs | 118 ++++++++++ Il2CppDumper/Il2CppClass.cs | 208 ++++++++++++++++++ Il2CppDumper/Il2CppDumper.csproj | 63 ++++++ Il2CppDumper/Metadata.cs | 85 ++++++++ Il2CppDumper/MetadataClass.cs | 180 +++++++++++++++ Il2CppDumper/MyBinaryReader.cs | 139 ++++++++++++ Il2CppDumper/Program.cs | 279 ++++++++++++++++++++++++ Il2CppDumper/Properties/AssemblyInfo.cs | 36 +++ 14 files changed, 1656 insertions(+) create mode 100644 .gitattributes create mode 100644 .gitignore create mode 100644 Il2CppDumper.sln create mode 100644 Il2CppDumper/DefineConstants.cs create mode 100644 Il2CppDumper/Elf.cs create mode 100644 Il2CppDumper/ElfClass.cs create mode 100644 Il2CppDumper/Il2Cpp.cs create mode 100644 Il2CppDumper/Il2CppClass.cs create mode 100644 Il2CppDumper/Il2CppDumper.csproj create mode 100644 Il2CppDumper/Metadata.cs create mode 100644 Il2CppDumper/MetadataClass.cs create mode 100644 Il2CppDumper/MyBinaryReader.cs create mode 100644 Il2CppDumper/Program.cs create mode 100644 Il2CppDumper/Properties/AssemblyInfo.cs diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..1ff0c42 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,63 @@ +############################################################################### +# Set default behavior to automatically normalize line endings. +############################################################################### +* text=auto + +############################################################################### +# Set default behavior for command prompt diff. +# +# This is need for earlier builds of msysgit that does not have it on by +# default for csharp files. +# Note: This is only used by command line +############################################################################### +#*.cs diff=csharp + +############################################################################### +# Set the merge driver for project and solution files +# +# Merging from the command prompt will add diff markers to the files if there +# are conflicts (Merging from VS is not affected by the settings below, in VS +# the diff markers are never inserted). Diff markers may cause the following +# file extensions to fail to load in VS. An alternative would be to treat +# these files as binary and thus will always conflict and require user +# intervention with every merge. To do so, just uncomment the entries below +############################################################################### +#*.sln merge=binary +#*.csproj merge=binary +#*.vbproj merge=binary +#*.vcxproj merge=binary +#*.vcproj merge=binary +#*.dbproj merge=binary +#*.fsproj merge=binary +#*.lsproj merge=binary +#*.wixproj merge=binary +#*.modelproj merge=binary +#*.sqlproj merge=binary +#*.wwaproj merge=binary + +############################################################################### +# behavior for image files +# +# image files are treated as binary by default. +############################################################################### +#*.jpg binary +#*.png binary +#*.gif binary + +############################################################################### +# diff behavior for common document formats +# +# Convert binary document formats to text before diffing them. This feature +# is only available from the command line. Turn it on by uncommenting the +# entries below. +############################################################################### +#*.doc diff=astextplain +#*.DOC diff=astextplain +#*.docx diff=astextplain +#*.DOCX diff=astextplain +#*.dot diff=astextplain +#*.DOT diff=astextplain +#*.pdf diff=astextplain +#*.PDF diff=astextplain +#*.rtf diff=astextplain +#*.RTF diff=astextplain diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..1c9a181 --- /dev/null +++ b/.gitignore @@ -0,0 +1,242 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. + +# User-specific files +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +[Xx]64/ +[Xx]86/ +[Bb]uild/ +bld/ +[Bb]in/ +[Oo]bj/ + +# Visual Studio 2015 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUNIT +*.VisualState.xml +TestResult.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# DNX +project.lock.json +artifacts/ + +*_i.c +*_p.c +*_i.h +*.ilk +*.meta +*.obj +*.pch +*.pdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*.log +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# JustCode is a .NET coding add-in +.JustCode + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml + +# TODO: Un-comment the next line if you do not want to checkin +# your web deploy settings because they may include unencrypted +# passwords +#*.pubxml +*.publishproj + +# NuGet Packages +*.nupkg +# The packages folder can be ignored because of Package Restore +**/packages/* +# except build/, which is used as an MSBuild target. +!**/packages/build/ +# Uncomment if necessary however generally it will be regenerated when needed +#!**/packages/repositories.config +# NuGet v3's project.json files produces more ignoreable files +*.nuget.props +*.nuget.targets + +# Microsoft Azure Build Output +csx/ +*.build.csdef + +# Microsoft Azure Emulator +ecf/ +rcf/ + +# Windows Store app package directory +AppPackages/ +BundleArtifacts/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ + +# Others +ClientBin/ +[Ss]tyle[Cc]op.* +~$* +*~ +*.dbmdl +*.dbproj.schemaview +*.pfx +*.publishsettings +node_modules/ +orleans.codegen.cs + +# 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 + +# SQL Server files +*.mdf +*.ldf + +# Business Intelligence projects +*.rdl.data +*.bim.layout +*.bim_*.settings + +# Microsoft Fakes +FakesAssemblies/ + +# GhostDoc plugin setting file +*.GhostDoc.xml + +# Node.js Tools for Visual Studio +.ntvs_analysis.dat + +# Visual Studio 6 build log +*.plg + +# Visual Studio 6 workspace options file +*.opt + +# Visual Studio LightSwitch build output +**/*.HTMLClient/GeneratedArtifacts +**/*.DesktopClient/GeneratedArtifacts +**/*.DesktopClient/ModelManifest.xml +**/*.Server/GeneratedArtifacts +**/*.Server/ModelManifest.xml +_Pvt_Extensions + +# LightSwitch generated files +GeneratedArtifacts/ +ModelManifest.xml + +# Paket dependency manager +.paket/paket.exe + +# FAKE - F# Make +.fake/ diff --git a/Il2CppDumper.sln b/Il2CppDumper.sln new file mode 100644 index 0000000..7f23b24 --- /dev/null +++ b/Il2CppDumper.sln @@ -0,0 +1,22 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 14 +VisualStudioVersion = 14.0.25420.1 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Il2CppDumper", "Il2CppDumper\Il2CppDumper.csproj", "{379715D4-4B7B-41F2-B78A-8B18D86320E2}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {379715D4-4B7B-41F2-B78A-8B18D86320E2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {379715D4-4B7B-41F2-B78A-8B18D86320E2}.Debug|Any CPU.Build.0 = Debug|Any CPU + {379715D4-4B7B-41F2-B78A-8B18D86320E2}.Release|Any CPU.ActiveCfg = Release|Any CPU + {379715D4-4B7B-41F2-B78A-8B18D86320E2}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/Il2CppDumper/DefineConstants.cs b/Il2CppDumper/DefineConstants.cs new file mode 100644 index 0000000..c1d6a78 --- /dev/null +++ b/Il2CppDumper/DefineConstants.cs @@ -0,0 +1,20 @@ +internal static class DefineConstants +{ + public const int FIELD_ATTRIBUTE_PRIVATE = 0x0001; + public const int FIELD_ATTRIBUTE_PUBLIC = 0x0006; + public const int FIELD_ATTRIBUTE_STATIC = 0x0010; + public const int FIELD_ATTRIBUTE_INIT_ONLY = 0x0020; + public const int METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK = 0x0007; + public const int METHOD_ATTRIBUTE_PRIVATE = 0x0001; + public const int METHOD_ATTRIBUTE_PUBLIC = 0x0006; + public const int METHOD_ATTRIBUTE_STATIC = 0x0010; + public const int METHOD_ATTRIBUTE_VIRTUAL = 0x0040; + public const int TYPE_ATTRIBUTE_VISIBILITY_MASK = 0x00000007; + public const int TYPE_ATTRIBUTE_PUBLIC = 0x00000001; + public const int TYPE_ATTRIBUTE_INTERFACE = 0x00000020; + public const int TYPE_ATTRIBUTE_ABSTRACT = 0x00000080; + public const int TYPE_ATTRIBUTE_SEALED = 0x00000100; + public const int TYPE_ATTRIBUTE_SERIALIZABLE = 0x00002000; + public const int PARAM_ATTRIBUTE_OUT = 0x0002; + public const int PARAM_ATTRIBUTE_OPTIONAL = 0x0010; +} \ No newline at end of file diff --git a/Il2CppDumper/Elf.cs b/Il2CppDumper/Elf.cs new file mode 100644 index 0000000..fbd7d24 --- /dev/null +++ b/Il2CppDumper/Elf.cs @@ -0,0 +1,130 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; + +namespace Il2CppDumper +{ + class Elf : MyBinaryReader + { + public elf_header elf_header; + public Dictionary sectionWithName; + List sections; + + public Elf(Stream stream) : base(stream) + { + elf_header = new elf_header(); + elf_header.m_dwFormat = ReadUInt32(); + if (elf_header.m_dwFormat != 0x464c457f) + { + throw new Exception("ERROR: il2cpp lib provided is not a valid ELF file."); + } + elf_header.m_arch = ReadByte(); + elf_header.m_endian = ReadByte(); + elf_header.m_version = ReadByte(); + elf_header.m_osabi = ReadByte(); + elf_header.m_osabi_ver = ReadByte(); + elf_header.e_pad = ReadBytes(7); + elf_header.e_type = ReadUInt16(); + elf_header.e_machine = ReadUInt16(); + elf_header.e_version = ReadUInt32(); + if (elf_header.m_arch == 1)//32 + { + elf_header.e_entry = ReadUInt32(); + elf_header.e_phoff = ReadUInt32(); + elf_header.e_shoff = ReadUInt32(); + elf_header.e_flags = ReadUInt32(); + elf_header.e_ehsize = ReadUInt16(); + elf_header.e_phentsize = ReadUInt16(); + elf_header.e_phnum = ReadUInt16(); + elf_header.e_shentsize = ReadUInt16(); + elf_header.e_shnum = ReadUInt16(); + elf_header.e_shtrndx = ReadUInt16(); + } + else//64 + { + elf_header.e_entry = ReadUInt64(); + elf_header.e_phoff = ReadUInt64(); + elf_header.e_shoff = ReadUInt64(); + elf_header.e_flags = ReadUInt32(); + elf_header.e_ehsize = ReadUInt16(); + elf_header.e_phentsize = ReadUInt16(); + elf_header.e_phnum = ReadUInt16(); + elf_header.e_shentsize = ReadUInt16(); + elf_header.e_shnum = ReadUInt16(); + elf_header.e_shtrndx = ReadUInt16(); + } + GetSectionWithName(); + } + + private void GetSectionWithName() + { + try + { + var section_name_block_off = (int)elf_header.e_shoff + (elf_header.e_shentsize * elf_header.e_shtrndx); + if (elf_header.m_arch == 1)//32 + { + Position = section_name_block_off + 2 * 4 + 4 + 4; + section_name_block_off = ReadInt32(); + } + else//Hmm... + { + Position = section_name_block_off + 2 * 4 + 8 + 8; + section_name_block_off = ReadInt32(); + } + var sectionWithNametmp = new Dictionary(); + var sectionstmp = new List(); + for (int i = 0; i < elf_header.e_shnum; i++) + { + var section = GetSection(i); + sectionWithNametmp.Add(ReadStringToNull(section_name_block_off + section.sh_name), section); + sectionstmp.Add(section); + } + sectionWithName = sectionWithNametmp; + sections = sectionstmp; + } + catch + { + Console.WriteLine("ERROR: Unable to get section."); + } + } + + private elf_32_shdr GetSection(int iSection) + { + return ReadClass((int)elf_header.e_shoff + (elf_header.e_shentsize * iSection)); + } + + public uint MapVATR(uint uiAddr) + { + if (sections == null) + return uiAddr; + elf_32_shdr pFirstSec = sections[0]; + if (uiAddr < pFirstSec.sh_addr) + return 0; + for (int i = 1; i < elf_header.e_shnum; ++i) + { + elf_32_shdr pSection = sections[i]; + if (pSection.sh_addr > uiAddr) + { + elf_32_shdr pRetSec = sections[i - 1]; + uint uiResOffset = uiAddr - pRetSec.sh_addr; + return pRetSec.sh_offset + uiResOffset; + } + } + elf_32_shdr pRetSec2 = sections[elf_header.e_shnum - 1]; + uint uiResOffset2 = uiAddr - pRetSec2.sh_addr; + return pRetSec2.sh_offset + uiResOffset2; + } + + public T MapVATR(uint uiAddr) where T : new() + { + return ReadClass(MapVATR(uiAddr)); + } + + public T[] MapVATR(uint uiAddr, int count) where T : new() + { + return ReadClassArray(MapVATR(uiAddr), count); + } + } +} diff --git a/Il2CppDumper/ElfClass.cs b/Il2CppDumper/ElfClass.cs new file mode 100644 index 0000000..58557fc --- /dev/null +++ b/Il2CppDumper/ElfClass.cs @@ -0,0 +1,71 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; + +namespace Il2CppDumper +{ + class elf_header + { + // 0x7f followed by ELF in ascii + public uint m_dwFormat; + + // 1 - 32 bit + // 2 - 64 bit + public byte m_arch; + + // 1 - little endian + // 2 - big endian + public byte m_endian; + + // 1 is original elf format + public byte m_version; + + // set based on OS, refer to OSABI enum + public byte m_osabi; + + // refer to elf documentation + public byte m_osabi_ver; + + // unused + public byte[] e_pad;//byte[7] + + // 1 - relocatable + // 2 - executable + // 3 - shared + // 4 - core + public ushort e_type; + + // refer to isa enum + public ushort e_machine; + + public uint e_version; + + //全部定义为64位 + public ulong e_entry; + public ulong e_phoff; + public ulong e_shoff; + public uint e_flags; + public ushort e_ehsize; + public ushort e_phentsize; + public ushort e_phnum; + public ushort e_shentsize; + public ushort e_shnum; + public ushort e_shtrndx; + } + + class elf_32_shdr + { + public uint sh_name; + public uint sh_type; + public uint sh_flags; + public uint sh_addr; + public uint sh_offset; + public uint sh_size; + public uint sh_link; + public uint sh_info; + public uint sh_addralign; + public uint sh_entsize; + } +} diff --git a/Il2CppDumper/Il2Cpp.cs b/Il2CppDumper/Il2Cpp.cs new file mode 100644 index 0000000..385ed90 --- /dev/null +++ b/Il2CppDumper/Il2Cpp.cs @@ -0,0 +1,118 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; + +namespace Il2CppDumper +{ + class Il2Cpp : Elf + { + Il2CppMetadataRegistration pMetadataRegistration; + public Il2CppCodeRegistration pCodeRegistration; + + public Il2Cpp(Stream stream) : base(stream) + { + if (!Auto()) + { + throw new Exception("ERROR: Unable to process file automatically, try to use manual mode."); + } + } + + public Il2Cpp(Stream stream, uint codeRegistration, uint metadataRegistration) : base(stream) + { + Init(codeRegistration, metadataRegistration); + } + + private void Init(uint codeRegistration, uint metadataRegistration) + { + pCodeRegistration = MapVATR(codeRegistration); + pMetadataRegistration = MapVATR(metadataRegistration); + pCodeRegistration.methodPointers = MapVATR(pCodeRegistration.pmethodPointers, (int)pCodeRegistration.methodPointersCount); + pMetadataRegistration.fieldOffsets = MapVATR(pMetadataRegistration.pfieldOffsets, pMetadataRegistration.fieldOffsetsCount); + var types = MapVATR(pMetadataRegistration.ptypes, pMetadataRegistration.typesCount); + pMetadataRegistration.types = new Il2CppType[pMetadataRegistration.typesCount]; + for (int i = 0; i < pMetadataRegistration.typesCount; ++i) + { + pMetadataRegistration.types[i] = MapVATR(types[i]); + pMetadataRegistration.types[i].Init(); + } + } + + public Il2CppType GetTypeFromTypeIndex(int idx) + { + return pMetadataRegistration.types[idx]; + } + + public int GetFieldOffsetFromIndex(int typeIndex, int fieldIndexInType) + { + var ptr = pMetadataRegistration.fieldOffsets[typeIndex]; + Position = ptr + 4 * fieldIndexInType; + return ReadInt32(); + } + + public bool Auto() + { + if (sectionWithName != null) + { + var bytes = new byte[] { 0x1c, 0x0, 0x9f, 0xe5, 0x1c, 0x10, 0x9f, 0xe5, 0x1c, 0x20, 0x9f, 0xe5 }; + //判断必要的section是否都在 + if (sectionWithName.ContainsKey(".got") && sectionWithName.ContainsKey(".init_array") && sectionWithName.ContainsKey(".dynamic")) + { + var dynamic = sectionWithName[".dynamic"]; + var got = sectionWithName[".got"]; + //从.dynamic获取_GLOBAL_OFFSET_TABLE_ + uint _GLOBAL_OFFSET_TABLE_ = 0; + Position = dynamic.sh_offset; + var dynamicend = dynamic.sh_offset + dynamic.sh_size; + var gotend = got.sh_offset + got.sh_size; + while (Position < dynamicend) + { + var tag = ReadInt32(); + if (tag == 3) + { + var tmp = ReadUInt32(); + if (tmp >= got.sh_offset && tmp <= gotend) + { + _GLOBAL_OFFSET_TABLE_ = tmp; + break; + } + } + Position += 4; + } + //从.init_array获取函数 + var init_array = sectionWithName[".init_array"]; + var addrs = ReadClassArray(init_array.sh_offset, (int)init_array.sh_size / 4); + foreach (var i in addrs) + { + if (i != 0) + { + Position = i; + var buff = ReadBytes(12); + if (bytes.SequenceEqual(buff)) + { + Position = i + 0x2c; + var subaddr = ReadUInt32() + _GLOBAL_OFFSET_TABLE_; + Position = subaddr + 0x28; + var codeRegistration = ReadUInt32() + _GLOBAL_OFFSET_TABLE_; + Console.WriteLine("CodeRegistration : {0:x}", codeRegistration); + Position = subaddr + 0x2C; + var ptr = ReadUInt32() + _GLOBAL_OFFSET_TABLE_; + Position = MapVATR(ptr); + var metadataRegistration = ReadUInt32(); + Console.WriteLine("MetadataRegistration : {0:x}", metadataRegistration); + Init(codeRegistration, metadataRegistration); + return true; + } + } + } + } + else + { + Console.WriteLine("ERROR: The necessary section is missing."); + } + } + return false; + } + } +} diff --git a/Il2CppDumper/Il2CppClass.cs b/Il2CppDumper/Il2CppClass.cs new file mode 100644 index 0000000..307572b --- /dev/null +++ b/Il2CppDumper/Il2CppClass.cs @@ -0,0 +1,208 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Runtime.InteropServices; +using System.Text; + +namespace Il2CppDumper +{ + public class Il2CppCodeRegistration + { + public uint methodPointersCount; + public uint pmethodPointers; + public uint delegateWrappersFromNativeToManagedCount; + public uint delegateWrappersFromNativeToManaged; // note the double indirection to handle different calling conventions + public uint delegateWrappersFromManagedToNativeCount; + public uint delegateWrappersFromManagedToNative; + public uint marshalingFunctionsCount; + public uint marshalingFunctions; + public uint ccwMarshalingFunctionsCount; + public uint ccwMarshalingFunctions; + public uint genericMethodPointersCount; + public uint genericMethodPointers; + public uint invokerPointersCount; + public uint invokerPointers; + public int customAttributeCount; + public uint customAttributeGenerators; + public int guidCount; + public uint guids; // Il2CppGuid + + public uint[] methodPointers + { + get; set; + } + } + + class Il2CppMetadataRegistration + { + public int genericClassesCount; + public uint genericClasses; + public int genericInstsCount; + public uint genericInsts; + public int genericMethodTableCount; + public uint genericMethodTable; // Il2CppGenericMethodFunctionsDefinitions + public int typesCount; + public uint ptypes; + public int methodSpecsCount; + public uint methodSpecs; + + public int fieldOffsetsCount; + public uint pfieldOffsets; + + public int typeDefinitionsSizesCount; + public uint typeDefinitionsSizes; + public uint metadataUsagesCount; + public uint metadataUsages; + + public int[] fieldOffsets + { + get; set; + } + + public Il2CppType[] types + { + get; set; + } + } + + public enum Il2CppTypeEnum + { + IL2CPP_TYPE_END = 0x00, /* End of List */ + IL2CPP_TYPE_VOID = 0x01, + IL2CPP_TYPE_BOOLEAN = 0x02, + IL2CPP_TYPE_CHAR = 0x03, + IL2CPP_TYPE_I1 = 0x04, + IL2CPP_TYPE_U1 = 0x05, + IL2CPP_TYPE_I2 = 0x06, + IL2CPP_TYPE_U2 = 0x07, + IL2CPP_TYPE_I4 = 0x08, + IL2CPP_TYPE_U4 = 0x09, + IL2CPP_TYPE_I8 = 0x0a, + IL2CPP_TYPE_U8 = 0x0b, + IL2CPP_TYPE_R4 = 0x0c, + IL2CPP_TYPE_R8 = 0x0d, + IL2CPP_TYPE_STRING = 0x0e, + IL2CPP_TYPE_PTR = 0x0f, /* arg: token */ + IL2CPP_TYPE_BYREF = 0x10, /* arg: token */ + IL2CPP_TYPE_VALUETYPE = 0x11, /* arg: token */ + IL2CPP_TYPE_CLASS = 0x12, /* arg: token */ + IL2CPP_TYPE_VAR = 0x13, /* Generic parameter in a generic type definition, represented as number (compressed unsigned integer) number */ + IL2CPP_TYPE_ARRAY = 0x14, /* type, rank, boundsCount, bound1, loCount, lo1 */ + IL2CPP_TYPE_GENERICINST = 0x15, /* \x{2026} */ + IL2CPP_TYPE_TYPEDBYREF = 0x16, + IL2CPP_TYPE_I = 0x18, + IL2CPP_TYPE_U = 0x19, + IL2CPP_TYPE_FNPTR = 0x1b, /* arg: full method signature */ + IL2CPP_TYPE_OBJECT = 0x1c, + IL2CPP_TYPE_SZARRAY = 0x1d, /* 0-based one-dim-array */ + IL2CPP_TYPE_MVAR = 0x1e, /* Generic parameter in a generic method definition, represented as number (compressed unsigned integer) */ + IL2CPP_TYPE_CMOD_REQD = 0x1f, /* arg: typedef or typeref token */ + IL2CPP_TYPE_CMOD_OPT = 0x20, /* optional arg: typedef or typref token */ + IL2CPP_TYPE_INTERNAL = 0x21, /* CLR internal type */ + + IL2CPP_TYPE_MODIFIER = 0x40, /* Or with the following types */ + IL2CPP_TYPE_SENTINEL = 0x41, /* Sentinel for varargs method signature */ + IL2CPP_TYPE_PINNED = 0x45, /* Local var that points to pinned object */ + + IL2CPP_TYPE_ENUM = 0x55 /* an enumeration */ + } + + public class Il2CppType + { + public uint datapoint; + public Anonymous data { get; set; } + public uint bits; + public uint attrs { get; set; } + public Il2CppTypeEnum type { get; set; } + public uint num_mods { get; set; } + public uint byref { get; set; } + public uint pinned { get; set; } + + public void Init() + { + var str = System.Convert.ToString(bits, 2); + if (str.Length != 32) + { + str = new string(Enumerable.Repeat('0', 32 - str.Length).Concat(str.ToCharArray()).ToArray()); + } + attrs = Convert.ToUInt32(str.Substring(16, 16), 2); + type = (Il2CppTypeEnum)Convert.ToInt32(str.Substring(8, 8), 2); + num_mods = Convert.ToUInt32(str.Substring(2, 6), 2); + byref = Convert.ToUInt32(str.Substring(1, 1), 2); + pinned = Convert.ToUInt32(str.Substring(0, 1), 2); + data = new Anonymous() { dummy = datapoint }; + } + + public class Anonymous + { + public uint dummy; + public int klassIndex + { + get + { + return (int)dummy; + } + } + public uint type + { + get + { + return dummy; + } + } + public uint array + { + get + { + return dummy; + } + } + public int genericParameterIndex + { + get + { + return (int)dummy; + } + } + public uint generic_class + { + get + { + return dummy; + } + } + } + } + + public class Il2CppGenericClass + { + public int typeDefinitionIndex; /* the generic type definition */ + public Il2CppGenericContext context; /* a context that contains the type instantiation doesn't contain any method instantiation */ + public uint cached_class; /* if present, the Il2CppClass corresponding to the instantiation. */ + } + + public class Il2CppGenericContext + { + /* The instantiation corresponding to the class generic parameters */ + public uint class_inst; + /* The instantiation corresponding to the method generic parameters */ + public uint method_inst; + } + + + public class Il2CppGenericInst + { + public uint type_argc; + public uint type_argv; + } + + public class Il2CppArrayType + { + public uint etype; + public byte rank; + public byte numsizes; + public byte numlobounds; + public uint sizes; + public uint lobounds; + } +} diff --git a/Il2CppDumper/Il2CppDumper.csproj b/Il2CppDumper/Il2CppDumper.csproj new file mode 100644 index 0000000..7448450 --- /dev/null +++ b/Il2CppDumper/Il2CppDumper.csproj @@ -0,0 +1,63 @@ + + + + + Debug + AnyCPU + {379715D4-4B7B-41F2-B78A-8B18D86320E2} + Exe + Properties + Il2CppDumper + Il2CppDumper + v4.0 + 512 + + + AnyCPU + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + AnyCPU + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/Il2CppDumper/Metadata.cs b/Il2CppDumper/Metadata.cs new file mode 100644 index 0000000..3b18f63 --- /dev/null +++ b/Il2CppDumper/Metadata.cs @@ -0,0 +1,85 @@ +using System; +using System.IO; +using System.Linq; + +namespace Il2CppDumper +{ + class Metadata : MyBinaryReader + { + Il2CppGlobalMetadataHeader pMetadataHdr; + public int uiImageCount; + public int uiNumTypes; + public Il2CppImageDefinition[] imageDefs; + public Il2CppTypeDefinition[] typeDefs; + public Il2CppMethodDefinition[] methodDefs; + public Il2CppParameterDefinition[] parameterDefs; + public Il2CppFieldDefinition[] fieldDefs; + public Il2CppFieldDefaultValue[] fieldDefaultValues; + + public Metadata(Stream stream) : base(stream) + { + pMetadataHdr = ReadClass(); + if (pMetadataHdr.sanity != 0xFAB11BAF) + { + throw new Exception("ERROR: Metadata file supplied is not valid metadata file."); + } + if (pMetadataHdr.version != 21 && pMetadataHdr.version != 22) + { + throw new Exception($"ERROR: Metadata file supplied is not a supported version[{pMetadataHdr.version}]."); + } + uiImageCount = pMetadataHdr.imagesCount / MySizeOf(typeof(Il2CppImageDefinition)); + uiNumTypes = pMetadataHdr.typeDefinitionsCount / MySizeOf(typeof(Il2CppTypeDefinition)); + imageDefs = ReadClassArray(pMetadataHdr.imagesOffset, uiImageCount); + //GetTypeDefFromIndex + typeDefs = ReadClassArray(pMetadataHdr.typeDefinitionsOffset, uiNumTypes); + //GetMethodDefinition + methodDefs = ReadClassArray(pMetadataHdr.methodsOffset, pMetadataHdr.methodsCount / MySizeOf(typeof(Il2CppMethodDefinition))); + //GetParameterFromIndex + parameterDefs = ReadClassArray(pMetadataHdr.parametersOffset, pMetadataHdr.parametersCount / MySizeOf(typeof(Il2CppParameterDefinition))); + //GetFieldDefFromIndex + fieldDefs = ReadClassArray(pMetadataHdr.fieldsOffset, pMetadataHdr.fieldsCount / MySizeOf(typeof(Il2CppFieldDefinition))); + //GetFieldDefaultFromIndex + fieldDefaultValues = ReadClassArray(pMetadataHdr.fieldDefaultValuesOffset, pMetadataHdr.fieldDefaultValuesCount / MySizeOf(typeof(Il2CppFieldDefaultValue))); + } + + public Il2CppFieldDefaultValue GetFieldDefaultFromIndex(int idx) + { + return fieldDefaultValues.FirstOrDefault(x => x.fieldIndex == idx); + } + + public int GetDefaultValueFromIndex(int idx) + { + return pMetadataHdr.fieldAndParameterDefaultValueDataOffset + idx; + } + + public string GetString(int idx) + { + return ReadStringToNull(pMetadataHdr.stringOffset + idx); + } + + private int MySizeOf(Type type) + { + int size = 0; + foreach (var i in type.GetFields()) + { + if (i.FieldType == typeof(int)) + { + size += 4; + } + else if (i.FieldType == typeof(uint)) + { + size += 4; + } + else if (i.FieldType == typeof(short)) + { + size += 2; + } + else if (i.FieldType == typeof(ushort)) + { + size += 2; + } + } + return size; + } + } +} diff --git a/Il2CppDumper/MetadataClass.cs b/Il2CppDumper/MetadataClass.cs new file mode 100644 index 0000000..2d1ebeb --- /dev/null +++ b/Il2CppDumper/MetadataClass.cs @@ -0,0 +1,180 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Il2CppDumper +{ + class Il2CppGlobalMetadataHeader + { + public uint sanity; + public int version; + public int stringLiteralOffset; // string data for managed code + public int stringLiteralCount; + public int stringLiteralDataOffset; + public int stringLiteralDataCount; + public int stringOffset; // string data for metadata + public int stringCount; + public int eventsOffset; // Il2CppEventDefinition + public int eventsCount; + public int propertiesOffset; // Il2CppPropertyDefinition + public int propertiesCount; + public int methodsOffset; // Il2CppMethodDefinition + public int methodsCount; + public int parameterDefaultValuesOffset; // Il2CppParameterDefaultValue + public int parameterDefaultValuesCount; + public int fieldDefaultValuesOffset; // Il2CppFieldDefaultValue + public int fieldDefaultValuesCount; + public int fieldAndParameterDefaultValueDataOffset; // uint8_t + public int fieldAndParameterDefaultValueDataCount; + public int fieldMarshaledSizesOffset; // Il2CppFieldMarshaledSize + public int fieldMarshaledSizesCount; + public int parametersOffset; // Il2CppParameterDefinition + public int parametersCount; + public int fieldsOffset; // Il2CppFieldDefinition + public int fieldsCount; + public int genericParametersOffset; // Il2CppGenericParameter + public int genericParametersCount; + public int genericParameterConstraintsOffset; // TypeIndex + public int genericParameterConstraintsCount; + public int genericContainersOffset; // Il2CppGenericContainer + public int genericContainersCount; + public int nestedTypesOffset; // TypeDefinitionIndex + public int nestedTypesCount; + public int interfacesOffset; // TypeIndex + public int interfacesCount; + public int vtableMethodsOffset; // EncodedMethodIndex + public int vtableMethodsCount; + public int interfaceOffsetsOffset; // Il2CppInterfaceOffsetPair + public int interfaceOffsetsCount; + public int typeDefinitionsOffset; // Il2CppTypeDefinition + public int typeDefinitionsCount; + public int rgctxEntriesOffset; // Il2CppRGCTXDefinition + public int rgctxEntriesCount; + public int imagesOffset; // Il2CppImageDefinition + public int imagesCount; + public int assembliesOffset; // Il2CppAssemblyDefinition + public int assembliesCount; + public int metadataUsageListsOffset; // Il2CppMetadataUsageList + public int metadataUsageListsCount; + public int metadataUsagePairsOffset; // Il2CppMetadataUsagePair + public int metadataUsagePairsCount; + public int fieldRefsOffset; // Il2CppFieldRef + public int fieldRefsCount; + public int referencedAssembliesOffset; // int + public int referencedAssembliesCount; + public int attributesInfoOffset; // Il2CppCustomAttributeTypeRange + public int attributesInfoCount; + public int attributeTypesOffset; // TypeIndex + public int attributeTypesCount; + } + + class Il2CppImageDefinition + { + public int nameIndex; + public int assemblyIndex; + + public int typeStart; + public uint typeCount; + + public int entryPointIndex; + public uint token; + } + + public class Il2CppTypeDefinition + { + public int nameIndex; + public int namespaceIndex; + public int customAttributeIndex; + public int byvalTypeIndex; + public int byrefTypeIndex; + + public int declaringTypeIndex; + public int parentIndex; + public int elementTypeIndex; // we can probably remove this one. Only used for enums + + public int rgctxStartIndex; + public int rgctxCount; + + public int genericContainerIndex; + + public int delegateWrapperFromManagedToNativeIndex; + public int marshalingFunctionsIndex; + public int ccwFunctionIndex; + public int guidIndex; + + public uint flags; + + public int fieldStart; + public int methodStart; + public int eventStart; + public int propertyStart; + public int nestedTypesStart; + public int interfacesStart; + public int vtableStart; + public int interfaceOffsetsStart; + + public ushort method_count; + public ushort property_count; + public ushort field_count; + public ushort event_count; + public ushort nested_type_count; + public ushort vtable_count; + public ushort interfaces_count; + public ushort interface_offsets_count; + + // bitfield to portably encode boolean values as single bits + // 01 - valuetype; + // 02 - enumtype; + // 03 - has_finalize; + // 04 - has_cctor; + // 05 - is_blittable; + // 06 - is_import; + // 07-10 - One of nine possible PackingSize values (0, 1, 2, 4, 8, 16, 32, 64, or 128) + public uint bitfield; + public uint token; + } + + public class Il2CppMethodDefinition + { + public int nameIndex; + public int declaringType; + public int returnType; + public int parameterStart; + public int customAttributeIndex; + public int genericContainerIndex; + public int methodIndex; + public int invokerIndex; + public int delegateWrapperIndex; + public int rgctxStartIndex; + public int rgctxCount; + public uint token; + public ushort flags; + public ushort iflags; + public ushort slot; + public ushort parameterCount; + } + + public class Il2CppParameterDefinition + { + public int nameIndex; + public uint token; + public int customAttributeIndex; + public int typeIndex; + } + + public class Il2CppFieldDefinition + { + public int nameIndex; + public int typeIndex; + public int customAttributeIndex; + public uint token; + } + + public class Il2CppFieldDefaultValue + { + public int fieldIndex; + public int typeIndex; + public int dataIndex; + } +} diff --git a/Il2CppDumper/MyBinaryReader.cs b/Il2CppDumper/MyBinaryReader.cs new file mode 100644 index 0000000..0f3fd64 --- /dev/null +++ b/Il2CppDumper/MyBinaryReader.cs @@ -0,0 +1,139 @@ +using System; +using System.IO; + +namespace Il2CppDumper +{ + class MyBinaryReader : BinaryReader + { + public MyBinaryReader(Stream stream) : base(stream) { } + + public long Position + { + get + { + return BaseStream.Position; + } + set + { + BaseStream.Position = value; + } + } + + public T ReadClass(long addr) where T : new() + { + BaseStream.Position = addr; + return ReadClass(); + } + + public T ReadClass() where T : new() + { + var type = typeof(T); + if (type.IsPrimitive) + { + if (type == typeof(int)) + { + return (T)(object)ReadInt32(); + } + else if (type == typeof(uint)) + { + return (T)(object)ReadUInt32(); + } + else + { + return default(T); + } + } + else + { + T t = new T(); + foreach (var i in t.GetType().GetFields()) + { + if (i.FieldType == typeof(int)) + { + i.SetValue(t, ReadInt32()); + } + else if (i.FieldType == typeof(uint)) + { + i.SetValue(t, ReadUInt32()); + } + else if (i.FieldType == typeof(short)) + { + i.SetValue(t, ReadInt16()); + } + else if (i.FieldType == typeof(ushort)) + { + i.SetValue(t, ReadUInt16()); + } + else if (i.FieldType == typeof(byte)) + { + i.SetValue(t, ReadByte()); + } + else + { + var mi = GetType().GetMethod("ReadClass", Type.EmptyTypes); + var mi2 = mi.MakeGenericMethod(i.FieldType); + var o = mi2.Invoke(this, null); + i.SetValue(t, o); + } + } + return t; + } + } + + public T[] ReadClassArray(long addr, int count) where T : new() + { + BaseStream.Position = addr; + var type = typeof(T); + if (type.IsPrimitive) + { + if (type == typeof(int)) + { + int[] t = new int[count]; + for (int i = 0; i < count; i++) + { + t[i] = ReadInt32(); + } + return t as T[]; + } + else if (type == typeof(uint)) + { + uint[] t = new uint[count]; + for (int i = 0; i < count; i++) + { + t[i] = ReadUInt32(); + } + return t as T[]; + } + else + { + return null; + } + } + else + { + T[] t = new T[count]; + for (int i = 0; i < count; i++) + { + t[i] = ReadClass(); + } + return t; + } + } + + public string ReadStringToNull(long addr) + { + BaseStream.Position = addr; + string result = ""; + char c; + for (int i = 0; i < base.BaseStream.Length; i++) + { + if ((c = (char)base.ReadByte()) == 0) + { + break; + } + result += c.ToString(); + } + return result; + } + } +} diff --git a/Il2CppDumper/Program.cs b/Il2CppDumper/Program.cs new file mode 100644 index 0000000..050cbc5 --- /dev/null +++ b/Il2CppDumper/Program.cs @@ -0,0 +1,279 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; + +namespace Il2CppDumper +{ + class Program + { + static Metadata metadata; + static Il2Cpp il2cpp; + + static void Main(string[] args) + { + Console.WriteLine("Select Mode: 1. Manual 2.Auto"); + var key = Console.ReadKey(true); + try + { + if (key.KeyChar == '2') + { + metadata = new Metadata(new MemoryStream(File.ReadAllBytes("global-metadata.dat"))); + il2cpp = new Il2Cpp(new MemoryStream(File.ReadAllBytes("libil2cpp.so"))); + } + else if (key.KeyChar == '1') + { + Console.Write("Input CodeRegistration(R0): "); + var codeRegistration = Convert.ToUInt32(Console.ReadLine(), 16); + Console.Write("Input MetadataRegistration(R1): "); + var metadataRegistration = Convert.ToUInt32(Console.ReadLine(), 16); + metadata = new Metadata(new MemoryStream(File.ReadAllBytes("global-metadata.dat"))); + il2cpp = new Il2Cpp(new MemoryStream(File.ReadAllBytes("libil2cpp.so")), codeRegistration, metadataRegistration); + } + else + { + return; + } + var writer = new StreamWriter(new FileStream("dump.cs", FileMode.Create)); + Console.WriteLine("Dumping..."); + //dump_image(); + for (int imageIndex = 0; imageIndex < metadata.uiImageCount; imageIndex++) + { + var imageDef = metadata.imageDefs[imageIndex]; + writer.Write($"// Image {imageIndex}: {metadata.GetString(imageDef.nameIndex)} - {imageDef.typeStart}\n"); + } + for (int idx = 0; idx < metadata.uiNumTypes; ++idx) + { + //dump_class(i); + var typeDef = metadata.typeDefs[idx]; + writer.Write($"// Namespace: {metadata.GetString(typeDef.namespaceIndex)}\n"); + if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_SERIALIZABLE) != 0) + writer.Write("[Serializable]\n"); + if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_VISIBILITY_MASK) == DefineConstants.TYPE_ATTRIBUTE_PUBLIC) + writer.Write("public "); + if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_ABSTRACT) != 0) + writer.Write("abstract "); + if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_SEALED) != 0) + writer.Write("sealed "); + if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_INTERFACE) != 0) + writer.Write("interface "); + else + writer.Write("class "); + writer.Write($"{metadata.GetString(typeDef.nameIndex)} // TypeDefIndex: {idx}\n{{\n"); + writer.Write("\t// Fields\n"); + var fieldEnd = typeDef.fieldStart + typeDef.field_count; + for (int i = typeDef.fieldStart; i < fieldEnd; ++i) + { + //dump_field(i, idx, i - typeDef.fieldStart); + var pField = metadata.fieldDefs[i]; + var pType = il2cpp.GetTypeFromTypeIndex(pField.typeIndex); + var pDefault = metadata.GetFieldDefaultFromIndex(i); + writer.Write("\t"); + if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_PRIVATE) == DefineConstants.FIELD_ATTRIBUTE_PRIVATE) + writer.Write("private "); + if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_PUBLIC) == DefineConstants.FIELD_ATTRIBUTE_PUBLIC) + writer.Write("public "); + if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_STATIC) != 0) + writer.Write("static "); + if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_INIT_ONLY) != 0) + writer.Write("readonly "); + writer.Write($"{get_type_name(pType)} {metadata.GetString(pField.nameIndex)}"); + if (pDefault != null && pDefault.dataIndex != -1) + { + var pointer = metadata.GetDefaultValueFromIndex(pDefault.dataIndex); + Il2CppType pTypeToUse = il2cpp.GetTypeFromTypeIndex(pDefault.typeIndex); + if (pointer > 0) + { + metadata.Position = pointer; + object multi = null; + switch (pTypeToUse.type) + { + case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN: + multi = metadata.ReadBoolean(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_U1: + case Il2CppTypeEnum.IL2CPP_TYPE_I1: + multi = metadata.ReadByte(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_CHAR: + multi = metadata.ReadChar(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_U2: + multi = metadata.ReadUInt16(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_I2: + multi = metadata.ReadInt16(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_U4: + multi = metadata.ReadUInt32(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_I4: + multi = metadata.ReadInt32(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_U8: + multi = metadata.ReadUInt64(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_I8: + multi = metadata.ReadInt64(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_R4: + multi = metadata.ReadSingle(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_R8: + multi = metadata.ReadDouble(); + break; + case Il2CppTypeEnum.IL2CPP_TYPE_STRING: + var uiLen = metadata.ReadInt32(); + multi = Encoding.UTF8.GetString(metadata.ReadBytes(uiLen)); + break; + } + if (multi is string) + writer.Write($" = \"{multi}\""); + else if (multi != null) + writer.Write($" = {multi}"); + } + } + writer.Write("; // 0x{0:x}\n", il2cpp.GetFieldOffsetFromIndex(idx, i - typeDef.fieldStart)); + } + writer.Write("\t// Methods\n"); + var methodEnd = typeDef.methodStart + typeDef.method_count; + for (int i = typeDef.methodStart; i < methodEnd; ++i) + { + //dump_method(i); + var methodDef = metadata.methodDefs[i]; + writer.Write("\t"); + Il2CppType pReturnType = il2cpp.GetTypeFromTypeIndex(methodDef.returnType); + if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == DefineConstants.METHOD_ATTRIBUTE_PRIVATE) + writer.Write("private "); + if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == DefineConstants.METHOD_ATTRIBUTE_PUBLIC) + writer.Write("public "); + if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_VIRTUAL) != 0) + writer.Write("virtual "); + if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_STATIC) != 0) + writer.Write("static "); + + writer.Write($"{get_type_name(pReturnType)} {metadata.GetString(methodDef.nameIndex)}("); + for (int j = 0; j < methodDef.parameterCount; ++j) + { + Il2CppParameterDefinition pParam = metadata.parameterDefs[methodDef.parameterStart + j]; + string szParamName = metadata.GetString(pParam.nameIndex); + Il2CppType pType = il2cpp.GetTypeFromTypeIndex(pParam.typeIndex); + string szTypeName = get_type_name(pType); + if ((pType.attrs & DefineConstants.PARAM_ATTRIBUTE_OPTIONAL) != 0) + writer.Write("optional "); + if ((pType.attrs & DefineConstants.PARAM_ATTRIBUTE_OUT) != 0) + writer.Write("out "); + if (j != methodDef.parameterCount - 1) + { + writer.Write($"{szTypeName} {szParamName}, "); + } + else + { + writer.Write($"{szTypeName} {szParamName}"); + } + } + if (methodDef.methodIndex >= 0) + writer.Write("); // {0:x} - {1}\n", il2cpp.pCodeRegistration.methodPointers[methodDef.methodIndex], methodDef.methodIndex); + else + writer.Write("); // 0 - -1\n"); + } + writer.Write("}\n"); + } + writer.Close(); + Console.WriteLine("Done !"); + } + catch (Exception e) + { + Console.WriteLine(e.Message); + } + Console.WriteLine("Press any key to exit..."); + Console.ReadKey(true); + } + + private static string get_type_name(Il2CppType pType) + { + string ret; + if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_CLASS || pType.type == Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE) + { + Il2CppTypeDefinition klass = metadata.typeDefs[pType.data.klassIndex]; + ret = metadata.GetString(klass.nameIndex); + } + else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST) + { + Il2CppGenericClass generic_class = il2cpp.MapVATR(pType.data.generic_class); + Il2CppTypeDefinition pMainDef = metadata.typeDefs[generic_class.typeDefinitionIndex]; + ret = metadata.GetString(pMainDef.nameIndex); + var typeNames = new List(); + Il2CppGenericInst pInst = il2cpp.MapVATR(generic_class.context.class_inst); + var pointers = il2cpp.MapVATR(pInst.type_argv, (int)pInst.type_argc); + for (int i = 0; i < pInst.type_argc; ++i) + { + var pOriType = il2cpp.MapVATR(pointers[i]); + pOriType.Init(); + typeNames.Add(get_type_name(pOriType)); + } + ret += $"<{string.Join(", ", typeNames)}>"; + } + else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_ARRAY) + { + Il2CppArrayType arrayType = il2cpp.MapVATR(pType.data.array); + var type = il2cpp.MapVATR(arrayType.etype); + type.Init(); + ret = $"{get_type_name(type)}[]"; + } + else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY) + { + var type = il2cpp.MapVATR(pType.data.type); + type.Init(); + ret = $"{get_type_name(type)}[]"; + } + else + { + if ((int)pType.type >= szTypeString.Length) + ret = "unknow"; + else + ret = szTypeString[(int)pType.type]; + } + return ret; + } + + static string[] szTypeString = + { + "END", + "void", + "bool", + "char", + "sbyte", + "byte", + "short", + "ushort", + "int", + "uint", + "long", + "ulong", + "float", + "double", + "string", + "PTR",//eg. void* + "BYREF", + "VALUETYPE", + "CLASS", + "T", + "ARRAY", + "GENERICINST", + "TYPEDBYREF", + "None", + "IntPtr", + "UIntPtr", + "None", + "FNPTR", + "object", + "SZARRAY", + "T", + "CMOD_REQD", + "CMOD_OPT", + "INTERNAL", + }; + } +} diff --git a/Il2CppDumper/Properties/AssemblyInfo.cs b/Il2CppDumper/Properties/AssemblyInfo.cs new file mode 100644 index 0000000..5d63cb7 --- /dev/null +++ b/Il2CppDumper/Properties/AssemblyInfo.cs @@ -0,0 +1,36 @@ +using System.Reflection; +using System.Runtime.CompilerServices; +using System.Runtime.InteropServices; + +// 有关程序集的一般信息由以下 +// 控制。更改这些特性值可修改 +// 与程序集关联的信息。 +[assembly: AssemblyTitle("Il2CppDumper")] +[assembly: AssemblyDescription("")] +[assembly: AssemblyConfiguration("")] +[assembly: AssemblyCompany("")] +[assembly: AssemblyProduct("Il2CppDumper")] +[assembly: AssemblyCopyright("Copyright © 2016")] +[assembly: AssemblyTrademark("")] +[assembly: AssemblyCulture("")] + +//将 ComVisible 设置为 false 将使此程序集中的类型 +//对 COM 组件不可见。 如果需要从 COM 访问此程序集中的类型， +//请将此类型的 ComVisible 特性设置为 true。 +[assembly: ComVisible(false)] + +// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID +[assembly: Guid("379715d4-4b7b-41f2-b78a-8b18d86320e2")] + +// 程序集的版本信息由下列四个值组成: +// +// 主版本 +// 次版本 +// 生成号 +// 修订号 +// +//可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值， +// 方法是按如下所示使用“*”: : +// [assembly: AssemblyVersion("1.0.*")] +[assembly: AssemblyVersion("1.0.0.0")] +[assembly: AssemblyFileVersion("1.0.0.0")]