Filza 27.2 worse_query: public and developer builds

XPF/external/ChOma/src/MachO.h

@@ -0,0 +1,91 @@
+#ifndef MACHO_SLICE_H
+#define MACHO_SLICE_H
+
+#include <stdbool.h>
+#include <mach-o/fat.h>
+#include <mach-o/loader.h>
+#include "MemoryStream.h"
+#include "Fat.h"
+#include "DyldSharedCache.h"
+
+typedef struct MachOSegment
+{
+    struct segment_command_64 command;
+    struct section_64 sections[];
+} __attribute__((__packed__)) MachOSegment;
+
+typedef struct FilesetMachO {
+    char *entry_id;
+    uint64_t vmaddr;
+    uint64_t fileoff;
+	Fat *underlyingMachO;
+} FilesetMachO;
+
+typedef struct MachO {
+    MemoryStream *stream;
+    bool is32Bit;
+    struct mach_header machHeader;
+    struct fat_arch_64 archDescriptor;
+    uint64_t cachedBase;
+
+    uint32_t filesetCount;
+    FilesetMachO *filesetMachos;
+
+    uint32_t segmentCount;
+    MachOSegment **segments;
+
+    DyldSharedCache *containingCache;
+    DyldSharedCacheImage *cacheImage;
+} MachO;
+
+// Read data from a MachO at a specified offset
+int macho_read_at_offset(MachO *macho, uint64_t offset, size_t size, void *outBuf);
+
+// Write data from a MachO at a specified offset, auto expands, only works if opened via macho_init_for_writing
+int macho_write_at_offset(MachO *macho, uint64_t offset, size_t size, const void *inBuf);
+
+int macho_read_string_at_offset(MachO *macho, uint64_t offset, char **string);
+int macho_read_uleb128_at_offset(MachO *macho, uint64_t offset, uint64_t maxOffset, uint64_t *endOffsetOut, uint64_t *valueOut);
+
+MemoryStream *macho_get_stream(MachO *macho);
+uint32_t macho_get_filetype(MachO *macho);
+struct mach_header *macho_get_mach_header(MachO *macho);
+size_t macho_get_mach_header_size(MachO *macho);
+DyldSharedCache *macho_get_containing_cache(MachO *macho);
+
+// Perform translation between file offsets and virtual addresses
+int macho_translate_fileoff_to_vmaddr(MachO *macho, uint64_t fileoff, uint64_t *vmaddrOut, MachOSegment **segmentOut);
+int macho_translate_vmaddr_to_fileoff(MachO *macho, uint64_t vmaddr, uint64_t *fileoffOut, MachOSegment **segmentOut);
+
+// Wrappers to deal with virtual addresses
+int macho_read_at_vmaddr(MachO *macho, uint64_t vmaddr, size_t size, void *outBuf);
+int macho_write_at_vmaddr(MachO *macho, uint64_t vmaddr, size_t size, const void *inBuf);
+int macho_read_string_at_vmaddr(MachO *macho, uint64_t vmaddr, char **outString);
+uint64_t macho_get_base_address(MachO *macho);
+
+int macho_enumerate_load_commands(MachO *macho, void (^enumeratorBlock)(struct load_command loadCommand, uint64_t offset, void *cmd, bool *stop));
+int macho_enumerate_segments(MachO *macho, void (^enumeratorBlock)(struct segment_command_64 *segment, bool *stop));
+int macho_enumerate_sections(MachO *macho, void (^enumeratorBlock)(struct section_64 *section, struct segment_command_64 *segment, bool *stop));
+int macho_enumerate_symbols(MachO *macho, void (^enumeratorBlock)(const char *name, uint8_t type, uint64_t vmaddr, bool *stop));
+int macho_enumerate_dependencies(MachO *macho, void (^enumeratorBlock)(const char *dylibPath, uint32_t cmd, struct dylib* dylib, bool *stop));
+int macho_enumerate_rpaths(MachO *macho, void (^enumeratorBlock)(const char *rpath, bool *stop));
+int macho_enumerate_function_starts(MachO *macho, void (^enumeratorBlock)(uint64_t funcAddr, bool *stop));
+
+int macho_lookup_segment_by_addr(MachO *macho, uint64_t vmaddr, struct segment_command_64 *segmentOut);
+int macho_lookup_section_by_addr(MachO *macho, uint64_t vmaddr, struct section_64 *sectionOut);
+
+// Initialise a MachO object from a MemoryStream and it's corresponding Fat arch descriptor
+MachO *macho_init(MemoryStream *stream, struct fat_arch_64 archDescriptor);
+
+// Initialize a single slice macho for writing to it
+MachO *macho_init_for_writing(const char *filePath);
+
+// Create an array of MachO objects from an array of paths
+MachO **macho_array_create_for_paths(char **inputPaths, int inputPathsCount);
+
+// Check if a MachO is encrypted
+bool macho_is_encrypted(MachO *macho);
+
+void macho_free(MachO *macho);
+
+#endif // MACHO_SLICE_H