/**************************************************************************/ /* macho.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #ifndef MACOS_MACHO_H #define MACOS_MACHO_H // Mach-O binary object file format parser and editor. #include "core/crypto/crypto.h" #include "core/crypto/crypto_core.h" #include "core/io/file_access.h" #include "core/object/ref_counted.h" class MachO : public RefCounted { struct MachHeader { uint32_t cputype; uint32_t cpusubtype; uint32_t filetype; uint32_t ncmds; uint32_t sizeofcmds; uint32_t flags; }; enum LoadCommandID { LC_SEGMENT = 0x00000001, LC_SYMTAB = 0x00000002, LC_SYMSEG = 0x00000003, LC_THREAD = 0x00000004, LC_UNIXTHREAD = 0x00000005, LC_LOADFVMLIB = 0x00000006, LC_IDFVMLIB = 0x00000007, LC_IDENT = 0x00000008, LC_FVMFILE = 0x00000009, LC_PREPAGE = 0x0000000a, LC_DYSYMTAB = 0x0000000b, LC_LOAD_DYLIB = 0x0000000c, LC_ID_DYLIB = 0x0000000d, LC_LOAD_DYLINKER = 0x0000000e, LC_ID_DYLINKER = 0x0000000f, LC_PREBOUND_DYLIB = 0x00000010, LC_ROUTINES = 0x00000011, LC_SUB_FRAMEWORK = 0x00000012, LC_SUB_UMBRELLA = 0x00000013, LC_SUB_CLIENT = 0x00000014, LC_SUB_LIBRARY = 0x00000015, LC_TWOLEVEL_HINTS = 0x00000016, LC_PREBIND_CKSUM = 0x00000017, LC_LOAD_WEAK_DYLIB = 0x80000018, LC_SEGMENT_64 = 0x00000019, LC_ROUTINES_64 = 0x0000001a, LC_UUID = 0x0000001b, LC_RPATH = 0x8000001c, LC_CODE_SIGNATURE = 0x0000001d, LC_SEGMENT_SPLIT_INFO = 0x0000001e, LC_REEXPORT_DYLIB = 0x8000001f, LC_LAZY_LOAD_DYLIB = 0x00000020, LC_ENCRYPTION_INFO = 0x00000021, LC_DYLD_INFO = 0x00000022, LC_DYLD_INFO_ONLY = 0x80000022, LC_LOAD_UPWARD_DYLIB = 0x80000023, LC_VERSION_MIN_MACOSX = 0x00000024, LC_VERSION_MIN_IPHONEOS = 0x00000025, LC_FUNCTION_STARTS = 0x00000026, LC_DYLD_ENVIRONMENT = 0x00000027, LC_MAIN = 0x80000028, LC_DATA_IN_CODE = 0x00000029, LC_SOURCE_VERSION = 0x0000002a, LC_DYLIB_CODE_SIGN_DRS = 0x0000002b, LC_ENCRYPTION_INFO_64 = 0x0000002c, LC_LINKER_OPTION = 0x0000002d, LC_LINKER_OPTIMIZATION_HINT = 0x0000002e, LC_VERSION_MIN_TVOS = 0x0000002f, LC_VERSION_MIN_WATCHOS = 0x00000030, }; struct LoadCommandHeader { uint32_t cmd; uint32_t cmdsize; }; struct LoadCommandSegment { char segname[16]; uint32_t vmaddr; uint32_t vmsize; uint32_t fileoff; uint32_t filesize; uint32_t maxprot; uint32_t initprot; uint32_t nsects; uint32_t flags; }; struct LoadCommandSegment64 { char segname[16]; uint64_t vmaddr; uint64_t vmsize; uint64_t fileoff; uint64_t filesize; uint32_t maxprot; uint32_t initprot; uint32_t nsects; uint32_t flags; }; struct Section { char sectname[16]; char segname[16]; uint32_t addr; uint32_t size; uint32_t offset; uint32_t align; uint32_t reloff; uint32_t nreloc; uint32_t flags; uint32_t reserved1; uint32_t reserved2; }; struct Section64 { char sectname[16]; char segname[16]; uint64_t addr; uint64_t size; uint32_t offset; uint32_t align; uint32_t reloff; uint32_t nreloc; uint32_t flags; uint32_t reserved1; uint32_t reserved2; uint32_t reserved3; }; Ref fa; bool swap = false; uint64_t lc_limit = 0; uint64_t exe_limit = 0; uint64_t exe_base = std::numeric_limits::max(); // Start of first __text section. uint32_t align = 0; uint32_t cputype = 0; uint32_t cpusubtype = 0; uint64_t link_edit_offset = 0; // __LINKEDIT segment offset. uint64_t signature_offset = 0; // Load command offset. uint32_t seg_align(uint64_t p_vmaddr, uint32_t p_min, uint32_t p_max); bool alloc_signature(uint64_t p_size); static inline size_t PAD(size_t s, size_t a) { return (a - s % a); } public: static bool is_macho(const String &p_path); static uint32_t get_filetype(const String &p_path); bool open_file(const String &p_path); uint64_t get_exe_base(); uint64_t get_exe_limit(); int32_t get_align(); uint32_t get_cputype(); uint32_t get_cpusubtype(); uint64_t get_size(); uint64_t get_code_limit(); uint64_t get_signature_offset(); bool is_signed(); PackedByteArray get_cdhash_sha1(); PackedByteArray get_cdhash_sha256(); PackedByteArray get_requirements(); const Ref get_file() const; Ref get_file(); uint64_t get_signature_size(); bool set_signature_size(uint64_t p_size); }; #endif // MACOS_MACHO_H