woody-woodpacker/inc/woody.h

#ifndef WOODY_H
# define WOODY_H

# include "ft_printf.h"
# include <stdio.h>
# include <fcntl.h>
# include <sys/mman.h>
# include <elf.h>

# define RET_ERR 1
# define RET_OK 0

# define PL_XOR 0
# define PL_RSA 1
# define PL_DEBUG 2

typedef struct s_map {
	void *data;
	off_t size;
} t_map;

typedef struct s_payload64 {
	int		(*encrypt)(t_map, void *, Elf64_Phdr);
	int		(*gen_key)(void **);
	char	*algo_name;
	size_t	jump_offset;
	size_t	woody_offset;
	size_t	load_ptr_offset;
	size_t	load_size_offset;
	size_t	private_key_offset;
	size_t	len;
	unsigned char *data;
} t_payload64;

int woody_woodpacker(char *path);


void *fetch(t_map map, size_t offset, size_t len);

int wdy_error(char *str);
int wdy_perror(char *path);

int check_ident(t_map file);

t_payload64 get_debug_payload64(void);

int gen_key_xor(void **key);
int encrypt_xor(t_map file, void *key_ptr, Elf64_Phdr load_segment);
t_payload64 get_xor_payload64(void);

#endif