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https://github.com/topjohnwu/Magisk.git
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127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
#ifndef _MAGISKBOOT_H_
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#define _MAGISKBOOT_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/sendfile.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <string.h>
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#include "bootimg.h"
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#include "sha1.h"
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#define windowBits 15
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#define ZLIB_GZIP 16
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#define memLevel 8
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#define CHUNK 0x40000
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#define LZ4_HEADER_SIZE 19
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#define LZ4_FOOTER_SIZE 4
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#define CHROMEOS_MAGIC "CHROMEOS"
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#define CHROMEOS_MAGIC_SIZE 8
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#define KERNEL_FILE "kernel"
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#define RAMDISK_FILE "ramdisk.cpio"
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#define SECOND_FILE "second"
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#define DTB_FILE "dtb"
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#define NEW_BOOT "new-boot.img"
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#define SUP_LIST "gzip, xz, lzma, lz4, bzip2"
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#define SUP_NUM 5
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typedef enum {
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UNKNOWN,
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CHROMEOS,
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AOSP,
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ELF,
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GZIP,
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LZOP,
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XZ,
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LZMA,
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BZIP2,
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LZ4,
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MTK,
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QCDT,
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} file_t;
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typedef enum {
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NONE,
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RM,
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MKDIR,
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ADD,
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EXTRACT,
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TEST,
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DMVERITY,
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FORCEENCRYPT,
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BACKUP,
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RESTORE
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} command_t;
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extern char *SUP_EXT_LIST[SUP_NUM];
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extern file_t SUP_TYPE_LIST[SUP_NUM];
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// Cannot declare in header, but place a copy here for convenience
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// char *SUP_EXT_LIST[SUP_NUM] = { "gz", "xz", "lzma", "bz2", "lz4" };
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// file_t SUP_TYPE_LIST[SUP_NUM] = { GZIP, XZ, LZMA, BZIP2, LZ4 };
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// Vector
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typedef struct vector {
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size_t size;
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size_t cap;
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void **data;
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} vector;
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void vec_init(vector *v);
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void vec_push_back(vector *v, void *p);
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void vec_sort(vector *v, int (*compar)(const void *, const void *));
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void vec_destroy(vector *v);
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#define vec_size(v) (v)->size
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#define vec_cap(v) (v)->cap
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#define vec_entry(v) (v)->data
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// vec_for_each(vector *v, void *e)
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#define vec_for_each(v, e) \
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e = (v)->data[0]; \
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for (size_t _i = 0; _i < (v)->size; ++_i, e = (v)->data[_i])
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// Global variables
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extern unsigned char *kernel, *ramdisk, *second, *dtb, *extra;
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extern boot_img_hdr hdr;
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extern file_t boot_type, ramdisk_type, dtb_type;
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extern int mtk_kernel, mtk_ramdisk;
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// Main entries
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void unpack(const char *image);
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void repack(const char* orig_image, const char* out_image);
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void hexpatch(const char *image, const char *from, const char *to);
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void error(int rc, const char *msg, ...);
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void parse_img(unsigned char *orig, size_t size);
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int cpio_commands(const char *command, int argc, char *argv[]);
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void cleanup();
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// Compressions
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void gzip(int mode, const char* filename, const unsigned char* buf, size_t size);
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void lzma(int mode, const char* filename, const unsigned char* buf, size_t size);
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void lz4(int mode, const char* filename, const unsigned char* buf, size_t size);
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void bzip2(int mode, const char* filename, const unsigned char* buf, size_t size);
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int comp(file_t type, const char *to, const unsigned char *from, size_t size);
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void comp_file(const char *method, const char *from, const char *to);
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int decomp(file_t type, const char *to, const unsigned char *from, size_t size);
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void decomp_file(char *from, const char *to);
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// Utils
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void mmap_ro(const char *filename, unsigned char **buf, size_t *size);
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void mmap_rw(const char *filename, unsigned char **buf, size_t *size);
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file_t check_type(const unsigned char *buf);
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void mem_align(size_t *pos, size_t align);
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void file_align(int fd, size_t align, int out);
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int open_new(const char *filename);
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void print_info();
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#endif
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