mirror of https://github.com/opa334/TrollStore.git
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
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#ifndef MACHO_SLICE_H
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#define MACHO_SLICE_H
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#include <stdbool.h>
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#include <mach-o/fat.h>
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#include <mach-o/loader.h>
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#include "MemoryStream.h"
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#include "FAT.h"
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typedef struct MachOSegment
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{
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struct segment_command_64 command;
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struct section_64 sections[];
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} __attribute__((__packed__)) MachOSegment;
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typedef struct FilesetMachO {
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char *entry_id;
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uint64_t vmaddr;
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uint64_t fileoff;
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FAT *underlyingMachO;
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} FilesetMachO;
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typedef struct MachO {
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MemoryStream *stream;
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bool isSupported;
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struct mach_header_64 machHeader;
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struct fat_arch_64 archDescriptor;
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uint32_t filesetCount;
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FilesetMachO *filesetMachos;
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uint32_t segmentCount;
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MachOSegment **segments;
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} MachO;
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// Read data from a MachO at a specified offset
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int macho_read_at_offset(MachO *macho, uint64_t offset, size_t size, void *outBuf);
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// Write data from a MachO at a specified offset, auto expands, only works if opened via macho_init_for_writing
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int macho_write_at_offset(MachO *macho, uint64_t offset, size_t size, void *inBuf);
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MemoryStream *macho_get_stream(MachO *macho);
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uint32_t macho_get_filetype(MachO *macho);
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// Perform translation between file offsets and virtual addresses
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int macho_translate_fileoff_to_vmaddr(MachO *macho, uint64_t fileoff, uint64_t *vmaddrOut, MachOSegment **segmentOut);
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int macho_translate_vmaddr_to_fileoff(MachO *macho, uint64_t vmaddr, uint64_t *fileoffOut, MachOSegment **segmentOut);
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// Read data from a MachO at a specified virtual address
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int macho_read_at_vmaddr(MachO *macho, uint64_t vmaddr, size_t size, void *outBuf);
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int macho_enumerate_load_commands(MachO *macho, void (^enumeratorBlock)(struct load_command loadCommand, uint64_t offset, void *cmd, bool *stop));
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// Initialise a MachO object from a MemoryStream and it's corresponding FAT arch descriptor
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MachO *macho_init(MemoryStream *stream, struct fat_arch_64 archDescriptor);
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// Initialize a single slice macho for writing to it
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MachO *macho_init_for_writing(const char *filePath);
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void macho_free(MachO *macho);
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#endif // MACHO_SLICE_H
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