// // Created by kat on 5/23/23. // /* * If you're here looking for the code to load caches, out of luck. * * The VIEW_NAME is essentially a blank slate that only knows how to deserialize and reserialize itself * based on some metadata encoded in it. * * The actual controller logic that does _all_ of the image loading is invoked via API -> SharedCache.cpp * * */ #include "DSCView.h" #include "view/macho/machoview.h" #include "SharedCache.h" using namespace BinaryNinja; /* * DSCRawView is a "fake" parent view that the child view actually fills with data on init. * * This is the 'magic' that makes this sort of horrible "serialize the file headers and then refill the parent view" * work. * * This throws errors on deser due to undo actions, but it still works. * */ DSCRawView::DSCRawView(const std::string& typeName, BinaryView* data, bool parseOnly) : BinaryView(typeName, data->GetFile(), data) { // This is going to load _only_ the dyld header of the loaded file. // This written region will be immediately overwritten on image loading by SharedCache.cpp GetFile()->SetFilename(data->GetFile()->GetOriginalFilename()); uint32_t size; GetParentView()->Read(&size, 16, 4); size += 8; AddAutoSegment(0, size, 0, size, SegmentReadable); GetParentView()->WriteBuffer(0, GetParentView()->ReadBuffer(0, size)); } bool DSCRawView::Init() { return true; } DSCRawViewType::DSCRawViewType() : BinaryViewType("DSCRaw", "DSCRaw") {} BinaryNinja::Ref DSCRawViewType::Create(BinaryView* data) { return new DSCRawView("DSCRaw", data, false); } BinaryNinja::Ref DSCRawViewType::Parse(BinaryView* data) { return new DSCRawView("DSCRaw", data, true); } bool DSCRawViewType::IsTypeValidForData(BinaryNinja::BinaryView* data) { // Always return false here. // This view pretty much exists to keep a bunch of internal core logic happy as it expects certain things // from our view's parent that we need to control, and cannot control on a standard raw view. // IIRC an example of this was the need to add more data past the end of the original file. // in ios16 caches, the primary file can be like 100kb while a standard image will easily break 1MB // I actually should check if the stuff related to non-file-backed-segments changes the need for this, // but at the time it was created (2022) it was necessary. return false; } DSCView::DSCView(const std::string& typeName, BinaryView* data, bool parseOnly) : BinaryView(typeName, data->GetFile(), data), m_parseOnly(parseOnly) { CreateLogger("SharedCache"); CreateLogger("SharedCache.ObjC"); } DSCView::~DSCView() { if (!m_parseOnly) MMappedFileAccessor::CloseAll(GetFile()->GetSessionId()); } enum DSCPlatform { DSCPlatformMacOS = 1, DSCPlatformiOS = 2, }; bool DSCView::Init() { uint32_t platform; GetParentView()->Read(&platform, 0xd8, 4); char magic[17]; GetParentView()->Read(&magic, 0, 16); magic[16] = 0; std::string os; if (platform == DSCPlatformMacOS) { os = "mac"; } else if (platform == DSCPlatformiOS) { os = "ios"; } else { LogError("Unknown platform: %d", platform); return false; } if (std::string(magic) == "dyld_v1 arm64" || std::string(magic) == "dyld_v1 arm64e") { SetDefaultPlatform(Platform::GetByName(os + "-aarch64")); SetDefaultArchitecture(Architecture::GetByName("aarch64")); } else if (std::string(magic) == "dyld_v1 x86_64") { SetDefaultPlatform(Platform::GetByName(os + "-x86_64")); SetDefaultArchitecture(Architecture::GetByName("x86_64")); } else { LogError("Unknown magic: %s", magic); return false; } QualifiedNameAndType headerType; std::string err; ParseTypeString("\n" "\tstruct dyld_cache_header\n" "\t{\n" "\t\tchar magic[16];\t\t\t\t\t // e.g. \"dyld_v0 i386\"\n" "\t\tuint32_t mappingOffset;\t\t\t // file offset to first dyld_cache_mapping_info\n" "\t\tuint32_t mappingCount;\t\t\t // number of dyld_cache_mapping_info entries\n" "\t\tuint32_t imagesOffsetOld;\t\t // UNUSED: moved to imagesOffset to prevent older dsc_extarctors from crashing\n" "\t\tuint32_t imagesCountOld;\t\t // UNUSED: moved to imagesCount to prevent older dsc_extarctors from crashing\n" "\t\tuint64_t dyldBaseAddress;\t\t // base address of dyld when cache was built\n" "\t\tuint64_t codeSignatureOffset;\t // file offset of code signature blob\n" "\t\tuint64_t codeSignatureSize;\t\t // size of code signature blob (zero means to end of file)\n" "\t\tuint64_t slideInfoOffsetUnused;\t // unused. Used to be file offset of kernel slid info\n" "\t\tuint64_t slideInfoSizeUnused;\t // unused. Used to be size of kernel slid info\n" "\t\tuint64_t localSymbolsOffset;\t // file offset of where local symbols are stored\n" "\t\tuint64_t localSymbolsSize;\t\t // size of local symbols information\n" "\t\tuint8_t uuid[16];\t\t\t\t // unique value for each shared cache file\n" "\t\tuint64_t cacheType;\t\t\t\t // 0 for development, 1 for production // Kat: , 2 for iOS 16?\n" "\t\tuint32_t branchPoolsOffset;\t\t // file offset to table of uint64_t pool addresses\n" "\t\tuint32_t branchPoolsCount;\t\t // number of uint64_t entries\n" "\t\tuint64_t accelerateInfoAddr;\t // (unslid) address of optimization info\n" "\t\tuint64_t accelerateInfoSize;\t // size of optimization info\n" "\t\tuint64_t imagesTextOffset;\t\t // file offset to first dyld_cache_image_text_info\n" "\t\tuint64_t imagesTextCount;\t\t // number of dyld_cache_image_text_info entries\n" "\t\tuint64_t patchInfoAddr;\t\t\t // (unslid) address of dyld_cache_patch_info\n" "\t\tuint64_t patchInfoSize;\t // Size of all of the patch information pointed to via the dyld_cache_patch_info\n" "\t\tuint64_t otherImageGroupAddrUnused;\t // unused\n" "\t\tuint64_t otherImageGroupSizeUnused;\t // unused\n" "\t\tuint64_t progClosuresAddr;\t\t\t // (unslid) address of list of program launch closures\n" "\t\tuint64_t progClosuresSize;\t\t\t // size of list of program launch closures\n" "\t\tuint64_t progClosuresTrieAddr;\t\t // (unslid) address of trie of indexes into program launch closures\n" "\t\tuint64_t progClosuresTrieSize;\t\t // size of trie of indexes into program launch closures\n" "\t\tuint32_t platform;\t\t\t\t\t // platform number (macOS=1, etc)\n" "\t\tuint32_t formatVersion : 8,\t\t\t // dyld3::closure::kFormatVersion\n" "\t\t\tdylibsExpectedOnDisk : 1, // dyld should expect the dylib exists on disk and to compare inode/mtime to see if cache is valid\n" "\t\t\tsimulator : 1,\t\t\t // for simulator of specified platform\n" "\t\t\tlocallyBuiltCache : 1,\t // 0 for B&I built cache, 1 for locally built cache\n" "\t\t\tbuiltFromChainedFixups : 1,\t // some dylib in cache was built using chained fixups, so patch tables must be used for overrides\n" "\t\t\tpadding : 20;\t\t\t\t // TBD\n" "\t\tuint64_t sharedRegionStart;\t\t // base load address of cache if not slid\n" "\t\tuint64_t sharedRegionSize;\t\t // overall size required to map the cache and all subCaches, if any\n" "\t\tuint64_t maxSlide;\t\t\t\t // runtime slide of cache can be between zero and this value\n" "\t\tuint64_t dylibsImageArrayAddr;\t // (unslid) address of ImageArray for dylibs in this cache\n" "\t\tuint64_t dylibsImageArraySize;\t // size of ImageArray for dylibs in this cache\n" "\t\tuint64_t dylibsTrieAddr;\t\t // (unslid) address of trie of indexes of all cached dylibs\n" "\t\tuint64_t dylibsTrieSize;\t\t // size of trie of cached dylib paths\n" "\t\tuint64_t otherImageArrayAddr;\t // (unslid) address of ImageArray for dylibs and bundles with dlopen closures\n" "\t\tuint64_t otherImageArraySize;\t // size of ImageArray for dylibs and bundles with dlopen closures\n" "\t\tuint64_t otherTrieAddr;\t // (unslid) address of trie of indexes of all dylibs and bundles with dlopen closures\n" "\t\tuint64_t otherTrieSize;\t // size of trie of dylibs and bundles with dlopen closures\n" "\t\tuint32_t mappingWithSlideOffset;\t\t // file offset to first dyld_cache_mapping_and_slide_info\n" "\t\tuint32_t mappingWithSlideCount;\t\t\t // number of dyld_cache_mapping_and_slide_info entries\n" "\t\tuint64_t dylibsPBLStateArrayAddrUnused;\t // unused\n" "\t\tuint64_t dylibsPBLSetAddr;\t\t\t\t // (unslid) address of PrebuiltLoaderSet of all cached dylibs\n" "\t\tuint64_t programsPBLSetPoolAddr;\t\t // (unslid) address of pool of PrebuiltLoaderSet for each program\n" "\t\tuint64_t programsPBLSetPoolSize;\t\t // size of pool of PrebuiltLoaderSet for each program\n" "\t\tuint64_t programTrieAddr;\t\t\t\t // (unslid) address of trie mapping program path to PrebuiltLoaderSet\n" "\t\tuint32_t programTrieSize;\n" "\t\tuint32_t osVersion;\t\t\t\t// OS Version of dylibs in this cache for the main platform\n" "\t\tuint32_t altPlatform;\t\t\t// e.g. iOSMac on macOS\n" "\t\tuint32_t altOsVersion;\t\t\t// e.g. 14.0 for iOSMac\n" "\t\tuint64_t swiftOptsOffset;\t\t// file offset to Swift optimizations header\n" "\t\tuint64_t swiftOptsSize;\t\t\t// size of Swift optimizations header\n" "\t\tuint32_t subCacheArrayOffset;\t// file offset to first dyld_subcache_entry\n" "\t\tuint32_t subCacheArrayCount;\t// number of subCache entries\n" "\t\tuint8_t symbolFileUUID[16];\t\t// unique value for the shared cache file containing unmapped local symbols\n" "\t\tuint64_t rosettaReadOnlyAddr;\t// (unslid) address of the start of where Rosetta can add read-only/executable data\n" "\t\tuint64_t rosettaReadOnlySize;\t// maximum size of the Rosetta read-only/executable region\n" "\t\tuint64_t rosettaReadWriteAddr;\t// (unslid) address of the start of where Rosetta can add read-write data\n" "\t\tuint64_t rosettaReadWriteSize;\t// maximum size of the Rosetta read-write region\n" "\t\tuint32_t imagesOffset;\t\t\t// file offset to first dyld_cache_image_info\n" "\t\tuint32_t imagesCount;\t\t\t// number of dyld_cache_image_info entries\n" "\t\tuint32_t cacheSubType; // 0 for development, 1 for production, when cacheType is multi-cache(2)\n" "\t\tuint64_t objcOptsOffset; // VM offset from cache_header* to ObjC optimizations header\n" "\t\tuint64_t objcOptsSize; // size of ObjC optimizations header\n" "\t\tuint64_t cacheAtlasOffset; // VM offset from cache_header* to embedded cache atlas for process introspection\n" "\t\tuint64_t cacheAtlasSize; // size of embedded cache atlas\n" "\t\tuint64_t dynamicDataOffset; // VM offset from cache_header* to the location of dyld_cache_dynamic_data_header\n" "\t\tuint64_t dynamicDataMaxSize; // maximum size of space reserved from dynamic data\n" "\t\tuint32_t tproMappingsOffset; // file offset to first dyld_cache_tpro_mapping_info\n" "\t\tuint32_t tproMappingsCount; // number of dyld_cache_tpro_mapping_info entries\n" "\t};", headerType, err); Ref settings = GetLoadSettings(GetTypeName()); if (!settings) { Ref programSettings = Settings::Instance(); programSettings->Set("analysis.workflows.functionWorkflow", "core.function.dsc", this); } // Add Mach-O file header type info EnumerationBuilder cpuTypeBuilder; cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_ANY", MACHO_CPU_TYPE_ANY); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_VAX", MACHO_CPU_TYPE_VAX); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_MC680x0", MACHO_CPU_TYPE_MC680x0); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_X86", MACHO_CPU_TYPE_X86); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_X86_64", MACHO_CPU_TYPE_X86_64); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_MIPS", MACHO_CPU_TYPE_MIPS); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_MC98000", MACHO_CPU_TYPE_MC98000); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_HPPA", MACHO_CPU_TYPE_HPPA); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_ARM", MACHO_CPU_TYPE_ARM); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_ARM64", MACHO_CPU_TYPE_ARM64); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_ARM64_32", MACHO_CPU_TYPE_ARM64_32); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_MC88000", MACHO_CPU_TYPE_MC88000); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_SPARC", MACHO_CPU_TYPE_SPARC); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_I860", MACHO_CPU_TYPE_I860); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_ALPHA", MACHO_CPU_TYPE_ALPHA); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_POWERPC", MACHO_CPU_TYPE_POWERPC); cpuTypeBuilder.AddMemberWithValue("CPU_TYPE_POWERPC64", MACHO_CPU_TYPE_POWERPC64); Ref cpuTypeEnum = cpuTypeBuilder.Finalize(); Ref cpuTypeEnumType = Type::EnumerationType(nullptr, cpuTypeEnum, 4, false); std::string cpuTypeEnumName = "cpu_type_t"; std::string cpuTypeEnumId = Type::GenerateAutoTypeId("macho", cpuTypeEnumName); DefineType(cpuTypeEnumId, cpuTypeEnumName, cpuTypeEnumType); EnumerationBuilder fileTypeBuilder; fileTypeBuilder.AddMemberWithValue("MH_OBJECT", MH_OBJECT); fileTypeBuilder.AddMemberWithValue("MH_EXECUTE", MH_EXECUTE); fileTypeBuilder.AddMemberWithValue("MH_FVMLIB", MH_FVMLIB); fileTypeBuilder.AddMemberWithValue("MH_CORE", MH_CORE); fileTypeBuilder.AddMemberWithValue("MH_PRELOAD", MH_PRELOAD); fileTypeBuilder.AddMemberWithValue("MH_DYLIB", MH_DYLIB); fileTypeBuilder.AddMemberWithValue("MH_DYLINKER", MH_DYLINKER); fileTypeBuilder.AddMemberWithValue("MH_BUNDLE", MH_BUNDLE); fileTypeBuilder.AddMemberWithValue("MH_DYLIB_STUB", MH_DYLIB_STUB); fileTypeBuilder.AddMemberWithValue("MH_DSYM", MH_DSYM); fileTypeBuilder.AddMemberWithValue("MH_KEXT_BUNDLE", MH_KEXT_BUNDLE); fileTypeBuilder.AddMemberWithValue("MH_FILESET", MH_FILESET); Ref fileTypeEnum = fileTypeBuilder.Finalize(); Ref fileTypeEnumType = Type::EnumerationType(nullptr, fileTypeEnum, 4, false); std::string fileTypeEnumName = "file_type_t"; std::string fileTypeEnumId = Type::GenerateAutoTypeId("macho", fileTypeEnumName); DefineType(fileTypeEnumId, fileTypeEnumName, fileTypeEnumType); EnumerationBuilder flagsTypeBuilder; flagsTypeBuilder.AddMemberWithValue("MH_NOUNDEFS", MH_NOUNDEFS); flagsTypeBuilder.AddMemberWithValue("MH_INCRLINK", MH_INCRLINK); flagsTypeBuilder.AddMemberWithValue("MH_DYLDLINK", MH_DYLDLINK); flagsTypeBuilder.AddMemberWithValue("MH_BINDATLOAD", MH_BINDATLOAD); flagsTypeBuilder.AddMemberWithValue("MH_PREBOUND", MH_PREBOUND); flagsTypeBuilder.AddMemberWithValue("MH_SPLIT_SEGS", MH_SPLIT_SEGS); flagsTypeBuilder.AddMemberWithValue("MH_LAZY_INIT", MH_LAZY_INIT); flagsTypeBuilder.AddMemberWithValue("MH_TWOLEVEL", MH_TWOLEVEL); flagsTypeBuilder.AddMemberWithValue("MH_FORCE_FLAT", MH_FORCE_FLAT); flagsTypeBuilder.AddMemberWithValue("MH_NOMULTIDEFS", MH_NOMULTIDEFS); flagsTypeBuilder.AddMemberWithValue("MH_NOFIXPREBINDING", MH_NOFIXPREBINDING); flagsTypeBuilder.AddMemberWithValue("MH_PREBINDABLE", MH_PREBINDABLE); flagsTypeBuilder.AddMemberWithValue("MH_ALLMODSBOUND", MH_ALLMODSBOUND); flagsTypeBuilder.AddMemberWithValue("MH_SUBSECTIONS_VIA_SYMBOLS", MH_SUBSECTIONS_VIA_SYMBOLS); flagsTypeBuilder.AddMemberWithValue("MH_CANONICAL", MH_CANONICAL); flagsTypeBuilder.AddMemberWithValue("MH_WEAK_DEFINES", MH_WEAK_DEFINES); flagsTypeBuilder.AddMemberWithValue("MH_BINDS_TO_WEAK", MH_BINDS_TO_WEAK); flagsTypeBuilder.AddMemberWithValue("MH_ALLOW_STACK_EXECUTION", MH_ALLOW_STACK_EXECUTION); flagsTypeBuilder.AddMemberWithValue("MH_ROOT_SAFE", MH_ROOT_SAFE); flagsTypeBuilder.AddMemberWithValue("MH_SETUID_SAFE", MH_SETUID_SAFE); flagsTypeBuilder.AddMemberWithValue("MH_NO_REEXPORTED_DYLIBS", MH_NO_REEXPORTED_DYLIBS); flagsTypeBuilder.AddMemberWithValue("MH_PIE", MH_PIE); flagsTypeBuilder.AddMemberWithValue("MH_DEAD_STRIPPABLE_DYLIB", MH_DEAD_STRIPPABLE_DYLIB); flagsTypeBuilder.AddMemberWithValue("MH_HAS_TLV_DESCRIPTORS", MH_HAS_TLV_DESCRIPTORS); flagsTypeBuilder.AddMemberWithValue("MH_NO_HEAP_EXECUTION", MH_NO_HEAP_EXECUTION); flagsTypeBuilder.AddMemberWithValue("MH_APP_EXTENSION_SAFE", _MH_APP_EXTENSION_SAFE); flagsTypeBuilder.AddMemberWithValue("MH_NLIST_OUTOFSYNC_WITH_DYLDINFO", _MH_NLIST_OUTOFSYNC_WITH_DYLDINFO); flagsTypeBuilder.AddMemberWithValue("MH_SIM_SUPPORT", _MH_SIM_SUPPORT); flagsTypeBuilder.AddMemberWithValue("MH_DYLIB_IN_CACHE", _MH_DYLIB_IN_CACHE); Ref flagsTypeEnum = flagsTypeBuilder.Finalize(); Ref flagsTypeEnumType = Type::EnumerationType(nullptr, flagsTypeEnum, 4, false); std::string flagsTypeEnumName = "flags_type_t"; std::string flagsTypeEnumId = Type::GenerateAutoTypeId("macho", flagsTypeEnumName); DefineType(flagsTypeEnumId, flagsTypeEnumName, flagsTypeEnumType); StructureBuilder machoHeaderBuilder; machoHeaderBuilder.AddMember(Type::IntegerType(4, false), "magic"); machoHeaderBuilder.AddMember(Type::NamedType(this, QualifiedName("cpu_type_t")), "cputype"); machoHeaderBuilder.AddMember(Type::IntegerType(4, false), "cpusubtype"); machoHeaderBuilder.AddMember(Type::NamedType(this, QualifiedName("file_type_t")), "filetype"); machoHeaderBuilder.AddMember(Type::IntegerType(4, false), "ncmds"); machoHeaderBuilder.AddMember(Type::IntegerType(4, false), "sizeofcmds"); machoHeaderBuilder.AddMember(Type::NamedType(this, QualifiedName("flags_type_t")), "flags"); if (GetAddressSize() == 8) machoHeaderBuilder.AddMember(Type::IntegerType(4, false), "reserved"); Ref machoHeaderStruct = machoHeaderBuilder.Finalize(); QualifiedName headerName = (GetAddressSize() == 8) ? std::string("mach_header_64") : std::string("mach_header"); std::string headerTypeId = Type::GenerateAutoTypeId("macho", headerName); Ref machoHeaderType = Type::StructureType(machoHeaderStruct); DefineType(headerTypeId, headerName, machoHeaderType); EnumerationBuilder cmdTypeBuilder; cmdTypeBuilder.AddMemberWithValue("LC_REQ_DYLD", LC_REQ_DYLD); cmdTypeBuilder.AddMemberWithValue("LC_SEGMENT", LC_SEGMENT); cmdTypeBuilder.AddMemberWithValue("LC_SYMTAB", LC_SYMTAB); cmdTypeBuilder.AddMemberWithValue("LC_SYMSEG", LC_SYMSEG); cmdTypeBuilder.AddMemberWithValue("LC_THREAD", LC_THREAD); cmdTypeBuilder.AddMemberWithValue("LC_UNIXTHREAD", LC_UNIXTHREAD); cmdTypeBuilder.AddMemberWithValue("LC_LOADFVMLIB", LC_LOADFVMLIB); cmdTypeBuilder.AddMemberWithValue("LC_IDFVMLIB", LC_IDFVMLIB); cmdTypeBuilder.AddMemberWithValue("LC_IDENT", LC_IDENT); cmdTypeBuilder.AddMemberWithValue("LC_FVMFILE", LC_FVMFILE); cmdTypeBuilder.AddMemberWithValue("LC_PREPAGE", LC_PREPAGE); cmdTypeBuilder.AddMemberWithValue("LC_DYSYMTAB", LC_DYSYMTAB); cmdTypeBuilder.AddMemberWithValue("LC_LOAD_DYLIB", LC_LOAD_DYLIB); cmdTypeBuilder.AddMemberWithValue("LC_ID_DYLIB", LC_ID_DYLIB); cmdTypeBuilder.AddMemberWithValue("LC_LOAD_DYLINKER", LC_LOAD_DYLINKER); cmdTypeBuilder.AddMemberWithValue("LC_ID_DYLINKER", LC_ID_DYLINKER); cmdTypeBuilder.AddMemberWithValue("LC_PREBOUND_DYLIB", LC_PREBOUND_DYLIB); cmdTypeBuilder.AddMemberWithValue("LC_ROUTINES", LC_ROUTINES); cmdTypeBuilder.AddMemberWithValue("LC_SUB_FRAMEWORK", LC_SUB_FRAMEWORK); cmdTypeBuilder.AddMemberWithValue("LC_SUB_UMBRELLA", LC_SUB_UMBRELLA); cmdTypeBuilder.AddMemberWithValue("LC_SUB_CLIENT", LC_SUB_CLIENT); cmdTypeBuilder.AddMemberWithValue("LC_SUB_LIBRARY", LC_SUB_LIBRARY); cmdTypeBuilder.AddMemberWithValue("LC_TWOLEVEL_HINTS", LC_TWOLEVEL_HINTS); cmdTypeBuilder.AddMemberWithValue("LC_PREBIND_CKSUM", LC_PREBIND_CKSUM); cmdTypeBuilder.AddMemberWithValue("LC_LOAD_WEAK_DYLIB", LC_LOAD_WEAK_DYLIB); // (0x18 | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_SEGMENT_64", LC_SEGMENT_64); cmdTypeBuilder.AddMemberWithValue("LC_ROUTINES_64", LC_ROUTINES_64); cmdTypeBuilder.AddMemberWithValue("LC_UUID", LC_UUID); cmdTypeBuilder.AddMemberWithValue("LC_RPATH", LC_RPATH); // (0x1c | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_CODE_SIGNATURE", LC_CODE_SIGNATURE); cmdTypeBuilder.AddMemberWithValue("LC_SEGMENT_SPLIT_INFO", LC_SEGMENT_SPLIT_INFO); cmdTypeBuilder.AddMemberWithValue("LC_REEXPORT_DYLIB", LC_REEXPORT_DYLIB); // (0x1f | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_LAZY_LOAD_DYLIB", LC_LAZY_LOAD_DYLIB); cmdTypeBuilder.AddMemberWithValue("LC_ENCRYPTION_INFO", LC_ENCRYPTION_INFO); cmdTypeBuilder.AddMemberWithValue("LC_DYLD_INFO", LC_DYLD_INFO); cmdTypeBuilder.AddMemberWithValue("LC_DYLD_INFO_ONLY", LC_DYLD_INFO_ONLY); // (0x22 | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_LOAD_UPWARD_DYLIB", LC_LOAD_UPWARD_DYLIB); // (0x23 | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_VERSION_MIN_MACOSX", LC_VERSION_MIN_MACOSX); cmdTypeBuilder.AddMemberWithValue("LC_VERSION_MIN_IPHONEOS", LC_VERSION_MIN_IPHONEOS); cmdTypeBuilder.AddMemberWithValue("LC_FUNCTION_STARTS", LC_FUNCTION_STARTS); cmdTypeBuilder.AddMemberWithValue("LC_DYLD_ENVIRONMENT", LC_DYLD_ENVIRONMENT); cmdTypeBuilder.AddMemberWithValue("LC_MAIN", LC_MAIN); // (0x28 | LC_REQ_DYLD) cmdTypeBuilder.AddMemberWithValue("LC_DATA_IN_CODE", LC_DATA_IN_CODE); cmdTypeBuilder.AddMemberWithValue("LC_SOURCE_VERSION", LC_SOURCE_VERSION); cmdTypeBuilder.AddMemberWithValue("LC_DYLIB_CODE_SIGN_DRS", LC_DYLIB_CODE_SIGN_DRS); cmdTypeBuilder.AddMemberWithValue("LC_ENCRYPTION_INFO_64", _LC_ENCRYPTION_INFO_64); cmdTypeBuilder.AddMemberWithValue("LC_LINKER_OPTION", _LC_LINKER_OPTION); cmdTypeBuilder.AddMemberWithValue("LC_LINKER_OPTIMIZATION_HINT", _LC_LINKER_OPTIMIZATION_HINT); cmdTypeBuilder.AddMemberWithValue("LC_VERSION_MIN_TVOS", _LC_VERSION_MIN_TVOS); cmdTypeBuilder.AddMemberWithValue("LC_VERSION_MIN_WATCHOS", LC_VERSION_MIN_WATCHOS); cmdTypeBuilder.AddMemberWithValue("LC_NOTE", LC_NOTE); cmdTypeBuilder.AddMemberWithValue("LC_BUILD_VERSION", LC_BUILD_VERSION); cmdTypeBuilder.AddMemberWithValue("LC_DYLD_EXPORTS_TRIE", LC_DYLD_EXPORTS_TRIE); cmdTypeBuilder.AddMemberWithValue("LC_DYLD_CHAINED_FIXUPS", LC_DYLD_CHAINED_FIXUPS); cmdTypeBuilder.AddMemberWithValue("LC_FILESET_ENTRY", LC_FILESET_ENTRY); Ref cmdTypeEnum = cmdTypeBuilder.Finalize(); Ref cmdTypeEnumType = Type::EnumerationType(nullptr, cmdTypeEnum, 4, false); std::string cmdTypeEnumName = "load_command_type_t"; std::string cmdTypeEnumId = Type::GenerateAutoTypeId("macho", cmdTypeEnumName); DefineType(cmdTypeEnumId, cmdTypeEnumName, cmdTypeEnumType); StructureBuilder loadCommandBuilder; loadCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); loadCommandBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); Ref loadCommandStruct = loadCommandBuilder.Finalize(); QualifiedName loadCommandName = std::string("load_command"); std::string loadCommandTypeId = Type::GenerateAutoTypeId("macho", loadCommandName); Ref loadCommandType = Type::StructureType(loadCommandStruct); DefineType(loadCommandTypeId, loadCommandName, loadCommandType); EnumerationBuilder protTypeBuilder; protTypeBuilder.AddMemberWithValue("VM_PROT_NONE", MACHO_VM_PROT_NONE); protTypeBuilder.AddMemberWithValue("VM_PROT_READ", MACHO_VM_PROT_READ); protTypeBuilder.AddMemberWithValue("VM_PROT_WRITE", MACHO_VM_PROT_WRITE); protTypeBuilder.AddMemberWithValue("VM_PROT_EXECUTE", MACHO_VM_PROT_EXECUTE); // protTypeBuilder.AddMemberWithValue("VM_PROT_DEFAULT", MACHO_VM_PROT_DEFAULT); // protTypeBuilder.AddMemberWithValue("VM_PROT_ALL", MACHO_VM_PROT_ALL); protTypeBuilder.AddMemberWithValue("VM_PROT_NO_CHANGE", MACHO_VM_PROT_NO_CHANGE); protTypeBuilder.AddMemberWithValue("VM_PROT_COPY_OR_WANTS_COPY", MACHO_VM_PROT_COPY); // protTypeBuilder.AddMemberWithValue("VM_PROT_WANTS_COPY", MACHO_VM_PROT_WANTS_COPY); Ref protTypeEnum = protTypeBuilder.Finalize(); Ref protTypeEnumType = Type::EnumerationType(nullptr, protTypeEnum, 4, false); std::string protTypeEnumName = "vm_prot_t"; std::string protTypeEnumId = Type::GenerateAutoTypeId("macho", protTypeEnumName); DefineType(protTypeEnumId, protTypeEnumName, protTypeEnumType); EnumerationBuilder segFlagsTypeBuilder; segFlagsTypeBuilder.AddMemberWithValue("SG_HIGHVM", SG_HIGHVM); segFlagsTypeBuilder.AddMemberWithValue("SG_FVMLIB", SG_FVMLIB); segFlagsTypeBuilder.AddMemberWithValue("SG_NORELOC", SG_NORELOC); segFlagsTypeBuilder.AddMemberWithValue("SG_PROTECTED_VERSION_1", SG_PROTECTED_VERSION_1); Ref segFlagsTypeEnum = segFlagsTypeBuilder.Finalize(); Ref segFlagsTypeEnumType = Type::EnumerationType(nullptr, segFlagsTypeEnum, 4, false); std::string segFlagsTypeEnumName = "sg_flags_t"; std::string segFlagsTypeEnumId = Type::GenerateAutoTypeId("macho", segFlagsTypeEnumName); DefineType(segFlagsTypeEnumId, segFlagsTypeEnumName, segFlagsTypeEnumType); StructureBuilder loadSegmentCommandBuilder; loadSegmentCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); loadSegmentCommandBuilder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "segname"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "vmaddr"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "vmsize"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "fileoff"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "filesize"); loadSegmentCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("vm_prot_t")), "maxprot"); loadSegmentCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("vm_prot_t")), "initprot"); loadSegmentCommandBuilder.AddMember(Type::IntegerType(4, false), "nsects"); loadSegmentCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("sg_flags_t")), "flags"); Ref loadSegmentCommandStruct = loadSegmentCommandBuilder.Finalize(); QualifiedName loadSegmentCommandName = std::string("segment_command"); std::string loadSegmentCommandTypeId = Type::GenerateAutoTypeId("macho", loadSegmentCommandName); Ref loadSegmentCommandType = Type::StructureType(loadSegmentCommandStruct); DefineType(loadSegmentCommandTypeId, loadSegmentCommandName, loadSegmentCommandType); StructureBuilder loadSegmentCommand64Builder; loadSegmentCommand64Builder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(4, false), "cmdsize"); loadSegmentCommand64Builder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "segname"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(8, false), "vmaddr"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(8, false), "vmsize"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(8, false), "fileoff"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(8, false), "filesize"); loadSegmentCommand64Builder.AddMember(Type::NamedType(this, QualifiedName("vm_prot_t")), "maxprot"); loadSegmentCommand64Builder.AddMember(Type::NamedType(this, QualifiedName("vm_prot_t")), "initprot"); loadSegmentCommand64Builder.AddMember(Type::IntegerType(4, false), "nsects"); loadSegmentCommand64Builder.AddMember(Type::NamedType(this, QualifiedName("sg_flags_t")), "flags"); Ref loadSegmentCommand64Struct = loadSegmentCommand64Builder.Finalize(); QualifiedName loadSegment64CommandName = std::string("segment_command_64"); std::string loadSegment64CommandTypeId = Type::GenerateAutoTypeId("macho", loadSegment64CommandName); Ref loadSegment64CommandType = Type::StructureType(loadSegmentCommand64Struct); DefineType(loadSegment64CommandTypeId, loadSegment64CommandName, loadSegment64CommandType); StructureBuilder sectionBuilder; sectionBuilder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "sectname"); sectionBuilder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "segname"); sectionBuilder.AddMember(Type::IntegerType(4, false), "addr"); sectionBuilder.AddMember(Type::IntegerType(4, false), "size"); sectionBuilder.AddMember(Type::IntegerType(4, false), "offset"); sectionBuilder.AddMember(Type::IntegerType(4, false), "align"); sectionBuilder.AddMember(Type::IntegerType(4, false), "reloff"); sectionBuilder.AddMember(Type::IntegerType(4, false), "nreloc"); sectionBuilder.AddMember(Type::IntegerType(4, false), "flags"); sectionBuilder.AddMember(Type::IntegerType(4, false), "reserved1"); sectionBuilder.AddMember(Type::IntegerType(4, false), "reserved2"); Ref sectionStruct = sectionBuilder.Finalize(); QualifiedName sectionName = std::string("section"); std::string sectionTypeId = Type::GenerateAutoTypeId("macho", sectionName); Ref sectionType = Type::StructureType(sectionStruct); DefineType(sectionTypeId, sectionName, sectionType); StructureBuilder section64Builder; section64Builder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "sectname"); section64Builder.AddMember(Type::ArrayType(Type::IntegerType(1, true), 16), "segname"); section64Builder.AddMember(Type::IntegerType(8, false), "addr"); section64Builder.AddMember(Type::IntegerType(8, false), "size"); section64Builder.AddMember(Type::IntegerType(4, false), "offset"); section64Builder.AddMember(Type::IntegerType(4, false), "align"); section64Builder.AddMember(Type::IntegerType(4, false), "reloff"); section64Builder.AddMember(Type::IntegerType(4, false), "nreloc"); section64Builder.AddMember(Type::IntegerType(4, false), "flags"); section64Builder.AddMember(Type::IntegerType(4, false), "reserved1"); section64Builder.AddMember(Type::IntegerType(4, false), "reserved2"); section64Builder.AddMember(Type::IntegerType(4, false), "reserved3"); Ref section64Struct = section64Builder.Finalize(); QualifiedName section64Name = std::string("section_64"); std::string section64TypeId = Type::GenerateAutoTypeId("macho", section64Name); Ref section64Type = Type::StructureType(section64Struct); DefineType(section64TypeId, section64Name, section64Type); StructureBuilder symtabBuilder; symtabBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); symtabBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); symtabBuilder.AddMember(Type::IntegerType(4, false), "symoff"); symtabBuilder.AddMember(Type::IntegerType(4, false), "nsyms"); symtabBuilder.AddMember(Type::IntegerType(4, false), "stroff"); symtabBuilder.AddMember(Type::IntegerType(4, false), "strsize"); Ref symtabStruct = symtabBuilder.Finalize(); QualifiedName symtabName = std::string("symtab"); std::string symtabTypeId = Type::GenerateAutoTypeId("macho", symtabName); Ref symtabType = Type::StructureType(symtabStruct); DefineType(symtabTypeId, symtabName, symtabType); StructureBuilder dynsymtabBuilder; dynsymtabBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "ilocalsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nlocalsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "iextdefsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nextdefsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "iundefsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nundefsym"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "tocoff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "ntoc"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "modtaboff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nmodtab"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "extrefsymoff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nextrefsyms"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "indirectsymoff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nindirectsyms"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "extreloff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nextrel"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "locreloff"); dynsymtabBuilder.AddMember(Type::IntegerType(4, false), "nlocrel"); Ref dynsymtabStruct = dynsymtabBuilder.Finalize(); QualifiedName dynsymtabName = std::string("dynsymtab"); std::string dynsymtabTypeId = Type::GenerateAutoTypeId("macho", dynsymtabName); Ref dynsymtabType = Type::StructureType(dynsymtabStruct); DefineType(dynsymtabTypeId, dynsymtabName, dynsymtabType); StructureBuilder uuidBuilder; uuidBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); uuidBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); uuidBuilder.AddMember(Type::ArrayType(Type::IntegerType(1, false), 16), "uuid"); Ref uuidStruct = uuidBuilder.Finalize(); QualifiedName uuidName = std::string("uuid"); std::string uuidTypeId = Type::GenerateAutoTypeId("macho", uuidName); Ref uuidType = Type::StructureType(uuidStruct); DefineType(uuidTypeId, uuidName, uuidType); StructureBuilder linkeditDataBuilder; linkeditDataBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); linkeditDataBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); linkeditDataBuilder.AddMember(Type::IntegerType(4, false), "dataoff"); linkeditDataBuilder.AddMember(Type::IntegerType(4, false), "datasize"); Ref linkeditDataStruct = linkeditDataBuilder.Finalize(); QualifiedName linkeditDataName = std::string("linkedit_data"); std::string linkeditDataTypeId = Type::GenerateAutoTypeId("macho", linkeditDataName); Ref linkeditDataType = Type::StructureType(linkeditDataStruct); DefineType(linkeditDataTypeId, linkeditDataName, linkeditDataType); StructureBuilder encryptionInfoBuilder; encryptionInfoBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); encryptionInfoBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); encryptionInfoBuilder.AddMember(Type::IntegerType(4, false), "cryptoff"); encryptionInfoBuilder.AddMember(Type::IntegerType(4, false), "cryptsize"); encryptionInfoBuilder.AddMember(Type::IntegerType(4, false), "cryptid"); Ref encryptionInfoStruct = encryptionInfoBuilder.Finalize(); QualifiedName encryptionInfoName = std::string("encryption_info"); std::string encryptionInfoTypeId = Type::GenerateAutoTypeId("macho", encryptionInfoName); Ref encryptionInfoType = Type::StructureType(encryptionInfoStruct); DefineType(encryptionInfoTypeId, encryptionInfoName, encryptionInfoType); StructureBuilder versionMinBuilder; versionMinBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); versionMinBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); versionMinBuilder.AddMember(Type::IntegerType(4, false), "version"); versionMinBuilder.AddMember(Type::IntegerType(4, false), "sdk"); Ref versionMinStruct = versionMinBuilder.Finalize(); QualifiedName versionMinName = std::string("version_min"); std::string versionMinTypeId = Type::GenerateAutoTypeId("macho", versionMinName); Ref versionMinType = Type::StructureType(versionMinStruct); DefineType(versionMinTypeId, versionMinName, versionMinType); StructureBuilder dyldInfoBuilder; dyldInfoBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "rebase_off"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "rebase_size"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "bind_off"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "bind_size"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "weak_bind_off"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "weak_bind_size"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "lazy_bind_off"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "lazy_bind_size"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "export_off"); dyldInfoBuilder.AddMember(Type::IntegerType(4, false), "export_size"); Ref dyldInfoStruct = dyldInfoBuilder.Finalize(); QualifiedName dyldInfoName = std::string("dyld_info"); std::string dyldInfoTypeId = Type::GenerateAutoTypeId("macho", dyldInfoName); Ref dyldInfoType = Type::StructureType(dyldInfoStruct); DefineType(dyldInfoTypeId, dyldInfoName, dyldInfoType); StructureBuilder dylibBuilder; dylibBuilder.AddMember(Type::IntegerType(4, false), "name"); dylibBuilder.AddMember(Type::IntegerType(4, false), "timestamp"); dylibBuilder.AddMember(Type::IntegerType(4, false), "current_version"); dylibBuilder.AddMember(Type::IntegerType(4, false), "compatibility_version"); Ref dylibStruct = dylibBuilder.Finalize(); QualifiedName dylibName = std::string("dylib"); std::string dylibTypeId = Type::GenerateAutoTypeId("macho", dylibName); Ref dylibType = Type::StructureType(dylibStruct); DefineType(dylibTypeId, dylibName, dylibType); StructureBuilder dylibCommandBuilder; dylibCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); dylibCommandBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); dylibCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("dylib")), "dylib"); Ref dylibCommandStruct = dylibCommandBuilder.Finalize(); QualifiedName dylibCommandName = std::string("dylib_command"); std::string dylibCommandTypeId = Type::GenerateAutoTypeId("macho", dylibCommandName); Ref dylibCommandType = Type::StructureType(dylibCommandStruct); DefineType(dylibCommandTypeId, dylibCommandName, dylibCommandType); StructureBuilder filesetEntryCommandBuilder; filesetEntryCommandBuilder.AddMember(Type::NamedType(this, QualifiedName("load_command_type_t")), "cmd"); filesetEntryCommandBuilder.AddMember(Type::IntegerType(4, false), "cmdsize"); filesetEntryCommandBuilder.AddMember(Type::IntegerType(8, false), "vmaddr"); filesetEntryCommandBuilder.AddMember(Type::IntegerType(8, false), "fileoff"); filesetEntryCommandBuilder.AddMember(Type::IntegerType(4, false), "entry_id"); filesetEntryCommandBuilder.AddMember(Type::IntegerType(4, false), "reserved"); Ref filesetEntryCommandStruct = filesetEntryCommandBuilder.Finalize(); QualifiedName filesetEntryCommandName = std::string("fileset_entry_command"); std::string filesetEntryCommandTypeId = Type::GenerateAutoTypeId("macho", filesetEntryCommandName); Ref filesetEntryCommandType = Type::StructureType(filesetEntryCommandStruct); DefineType(filesetEntryCommandTypeId, filesetEntryCommandName, filesetEntryCommandType); std::vector regionsMappedIntoMemory; if (auto meta = GetParentView()->GetParentView()->QueryMetadata(SharedCacheCore::SharedCacheMetadataTag)) { std::string data = GetParentView()->GetParentView()->GetStringMetadata(SharedCacheCore::SharedCacheMetadataTag); std::stringstream ss; ss.str(data); rapidjson::Document result(rapidjson::kObjectType); result.Parse(data.c_str()); if (result.HasMember("metadataVersion")) { if (result["metadataVersion"].GetInt() != METADATA_VERSION) { LogError("Shared cache metadata version mismatch: expected %d, got %d", METADATA_VERSION, result["metadataVersion"].GetInt()); return false; } } else { LogError("Shared cache metadata version not found"); return false; } for (auto& imgV : result["regionsMappedIntoMemory"].GetArray()) { SharedCacheCore::MemoryRegion region; region.LoadFromValue(imgV); regionsMappedIntoMemory.push_back(region); } std::unordered_map imageStartToInstallName; // key "m_imageStarts" for (auto& imgV : result["m_imageStarts"].GetArray()) { std::string name = imgV.GetArray()[0].GetString(); uint64_t addr = imgV.GetArray()[1].GetUint64(); imageStartToInstallName[addr] = name; } std::vector>>>> exportInfos; for (const auto& obj1 : result["exportInfos"].GetArray()) { std::vector>> innerVec; for (const auto& obj2 : obj1["value"].GetArray()) { std::pair innerPair = { (BNSymbolType)obj2["val1"].GetUint64(), obj2["val2"].GetString() }; innerVec.push_back({ obj2["key"].GetUint64(), innerPair }); } exportInfos.push_back({obj1["key"].GetUint64(), innerVec}); } // We need to re-map data located in the Raw (parent parent) viewtype to the DSCRaw (parent) viewtype. for (auto region : regionsMappedIntoMemory) { GetParentView()->AddUserSegment( region.rawViewOffsetIfLoaded, region.size, region.rawViewOffsetIfLoaded, region.size, region.flags); GetParentView()->WriteBuffer( region.rawViewOffsetIfLoaded, GetParentView()->GetParentView()->ReadBuffer(region.rawViewOffsetIfLoaded, region.size)); } BeginBulkModifySymbols(); for (const auto & [imageBaseAddr, exportList] : exportInfos) { std::vector> symbolsList; for (const auto & [exportAddr, exportTypeAndName] : exportList) { symbolsList.push_back(new Symbol(exportTypeAndName.first, exportTypeAndName.second, exportAddr)); } auto typelib = GetTypeLibrary(imageStartToInstallName[imageBaseAddr]); for (const auto& symbol : symbolsList) { if (!IsValidOffset(symbol->GetAddress())) continue; if (typelib) { auto type = typelib->GetNamedObject(symbol->GetRawName()); if (type) { DefineAutoSymbolAndVariableOrFunction(GetDefaultPlatform(), symbol, type); continue; } } DefineAutoSymbol(symbol); } } EndBulkModifySymbols(); } // uint32_t at 0x10 is offset to mapping table. // first mapping struct in that table is base of primary // first uint64_t in that struct is the base address of the primary // double gpv here because DSCRaw explicitly stops at the start of this mapping table uint64_t basePointer = 0; GetParentView()->GetParentView()->Read(&basePointer, 16, 4); if (basePointer == 0) { LogError("Failed to read base pointer"); return false; } uint64_t primaryBase = 0; GetParentView()->GetParentView()->Read(&primaryBase, basePointer, 8); if (primaryBase == 0) { LogError("Failed to read primary base at 0x%llx", basePointer); return false; } uint64_t headerSize = std::min(basePointer, headerType.type->GetWidth()); // Truncate the `dyld_cache_header` structure to the structure present in the cache file. auto newStructure = StructureBuilder(headerType.type->GetStructure()).SetWidth(headerSize).Finalize(); headerType.type = TypeBuilder::StructureType(newStructure).Finalize(); AddAutoSegment(primaryBase, headerSize, 0, headerSize, SegmentReadable); AddAutoSection("__dsc_header", primaryBase, headerSize, ReadOnlyDataSectionSemantics); DefineType("dyld_cache_header", headerType.name, headerType.type); DefineAutoSymbolAndVariableOrFunction(GetDefaultPlatform(), new Symbol(DataSymbol, "primary_cache_header", primaryBase), headerType.type); return true; } DSCViewType::DSCViewType() : BinaryViewType(VIEW_NAME, VIEW_NAME) {} BinaryNinja::Ref DSCViewType::Create(BinaryNinja::BinaryView* data) { Ref rawViewRef = new DSCRawView("DSCRawView", data, false); return new DSCView(VIEW_NAME, rawViewRef, false); } Ref DSCViewType::GetLoadSettingsForData(BinaryView* data) { Ref viewRef = Parse(data); if (!viewRef || !viewRef->Init()) { LogWarn("Failed to initialize view of type '%s'. Generating default load settings.", GetName().c_str()); viewRef = data; } Ref settings = GetDefaultLoadSettingsForData(viewRef); // specify default load settings that can be overridden std::vector overrides = {"loader.imageBase", "loader.platform"}; settings->UpdateProperty("loader.imageBase", "message", "Note: File indicates image is not relocatable."); for (const auto& override : overrides) { if (settings->Contains(override)) settings->UpdateProperty(override, "readOnly", false); } Ref programSettings = Settings::Instance(); programSettings->Set("analysis.workflows.functionWorkflow", "core.function.dsc", viewRef); settings->RegisterSetting("loader.dsc.processCFStrings", R"({ "title" : "Process CFString Metadata", "type" : "boolean", "default" : true, "description" : "Processes CoreFoundation strings, applying string values from encoded metadata" })"); settings->RegisterSetting("loader.dsc.autoLoadLibSystem", R"({ "title" : "Auto-Load libSystem", "type" : "boolean", "default" : true, "description" : "Whether to automatically load libsystem_c.dylib. This image contains frequently used noreturn symbols, and not loading it will result in frequently incorrect control flows." })"); settings->RegisterSetting("loader.dsc.processObjC", R"({ "title" : "Process Objective-C Metadata", "type" : "boolean", "default" : true, "description" : "Processes Objective-C metadata, applying class and method names from encoded metadata" })"); settings->RegisterSetting("loader.dsc.autoLoadObjCStubRequirements", R"({ "title" : "Auto-Load Objective-C Stub Requirements", "type" : "boolean", "default" : true, "description" : "Automatically loads segments required for inlining Objective-C stubs. Recommended you keep this on." })"); settings->RegisterSetting("loader.dsc.autoLoadStubsAndDyldData", R"({ "title" : "Auto-Load Stub Islands", "type" : "boolean", "default" : true, "description" : "Automatically loads stub and dylddata regions that contain just branches and pointers. These are required for resolving stub names, and performance impact is minimal. Recommended you keep this on." })"); settings->RegisterSetting("loader.dsc.allowLoadingLinkeditSegments", R"({ "title" : "Allow Loading __LINKEDIT Segments", "type" : "boolean", "default" : false, "description" : "Allow mapping __LINKEDIT segments. These are large regions of symbol data that are automatically processed by BinaryNinja without the need for mapping. On newer caches, __LINKEDIT for all images may end up merged and be >300MB in size. This will likely cause severe performance degradation with _zero_ benefit." })"); settings->RegisterSetting("loader.dsc.processFunctionStarts", R"({ "title" : "Process Mach-O Function Starts Tables", "type" : "boolean", "default" : true, "description" : "Add function starts sourced from the Function Starts tables to the core for analysis." })"); // Merge existing load settings if they exist. This allows for the selection of a specific object file from a Mach-O // Universal file. The 'Universal' BinaryViewType generates a schema with 'loader.universal.architectures'. This // schema contains an appropriate 'Mach-O' load schema for selecting a specific object file. The embedded schema // contains 'loader.macho.universalImageOffset'. Ref loadSettings = viewRef->GetLoadSettings(GetName()); if (loadSettings && !loadSettings->IsEmpty()) settings->DeserializeSchema(loadSettings->SerializeSchema()); return settings; } BinaryNinja::Ref DSCViewType::Parse(BinaryNinja::BinaryView* data) { return new DSCView(VIEW_NAME, new DSCRawView("DSCRawView", data, true), true); } bool DSCViewType::IsTypeValidForData(BinaryNinja::BinaryView* data) { if (!data) return false; DataBuffer sig = data->ReadBuffer(data->GetStart(), 4); if (sig.GetLength() != 4) return false; const char* magic = (char*)sig.GetData(); if (strncmp(magic, "dyld", 4) == 0) return true; return false; }