mirror of
https://github.com/SciresM/hactool
synced 2024-09-20 06:22:03 +00:00
117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
#ifndef HACTOOL_IVFC_H
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#define HACTOOL_IVFC_H
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#include "types.h"
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#include "utils.h"
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#include "settings.h"
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#define IVFC_HEADER_SIZE 0xE0
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#define IVFC_MAX_LEVEL 6
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#define IVFC_MAX_BUFFERSIZE 0x4000
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#define MAGIC_IVFC 0x43465649
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typedef struct {
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uint64_t logical_offset;
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uint64_t hash_data_size;
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uint32_t block_size;
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uint32_t reserved;
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} ivfc_level_hdr_t;
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typedef struct {
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uint64_t data_offset;
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uint64_t data_size;
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uint64_t hash_offset;
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uint32_t hash_block_size;
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validity_t hash_validity;
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} ivfc_level_ctx_t;
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typedef struct {
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uint32_t magic;
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uint32_t id;
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uint32_t master_hash_size;
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uint32_t num_levels;
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ivfc_level_hdr_t level_headers[IVFC_MAX_LEVEL];
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uint8_t _0xA0[0x20];
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uint8_t master_hash[0x20];
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} ivfc_hdr_t;
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typedef struct {
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uint32_t magic;
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uint32_t id;
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uint32_t master_hash_size;
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uint32_t num_levels;
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ivfc_level_hdr_t level_headers[IVFC_MAX_LEVEL];
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uint8_t salt_source[0x20];
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} ivfc_save_hdr_t;
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/* RomFS structs. */
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#define ROMFS_HEADER_SIZE 0x00000050
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typedef struct {
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uint64_t header_size;
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uint64_t dir_hash_table_offset;
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uint64_t dir_hash_table_size;
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uint64_t dir_meta_table_offset;
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uint64_t dir_meta_table_size;
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uint64_t file_hash_table_offset;
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uint64_t file_hash_table_size;
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uint64_t file_meta_table_offset;
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uint64_t file_meta_table_size;
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uint64_t data_offset;
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} romfs_hdr_t;
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typedef struct {
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uint32_t parent;
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uint32_t sibling;
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uint32_t child;
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uint32_t file;
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uint32_t hash;
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uint32_t name_size;
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char name[];
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} romfs_direntry_t;
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typedef struct {
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uint32_t parent;
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uint32_t sibling;
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uint64_t offset;
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uint64_t size;
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uint32_t hash;
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uint32_t name_size;
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char name[];
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} romfs_fentry_t;
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typedef struct {
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ivfc_hdr_t ivfc_header;
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uint8_t _0xE0[0x58];
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} romfs_superblock_t;
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typedef struct {
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romfs_superblock_t *superblock;
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FILE *file;
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hactool_ctx_t *tool_ctx;
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validity_t superblock_hash_validity;
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ivfc_level_ctx_t ivfc_levels[IVFC_MAX_LEVEL];
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uint64_t romfs_offset;
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romfs_hdr_t header;
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romfs_direntry_t *directories;
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romfs_fentry_t *files;
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} romfs_ctx_t;
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#define ROMFS_ENTRY_EMPTY 0xFFFFFFFF
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static inline romfs_direntry_t *romfs_get_direntry(romfs_direntry_t *directories, uint32_t offset) {
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return (romfs_direntry_t *)((char *)directories + offset);
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}
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static inline romfs_fentry_t *romfs_get_fentry(romfs_fentry_t *files, uint32_t offset) {
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return (romfs_fentry_t *)((char *)files + offset);
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}
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void romfs_process(romfs_ctx_t *ctx);
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void romfs_save(romfs_ctx_t *ctx);
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void romfs_print(romfs_ctx_t *ctx);
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#endif
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