woody-woodpacker/includes/woody.h

#ifndef WOODY_H
#define WOODY_H

#include "../ft_printf/includes/ft_printf.h"
#include <stdbool.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <elf.h>
#include <stdint.h>

#define JUMP "\xe9"
#define TEXT_OFFSET "\xba\xba\xba\xba\xba\xba\xba\xba"
#define SECTION_SIZE "\xca\xca\xca\xca\xca\xca\xca\xca"

typedef struct payload
{
	char *payload;
	size_t len;
}	t_payload;

typedef struct elf_content
{
	long unsigned int file_size;
	char *file_path;
	char *file;
	Elf64_Ehdr *Ehdr;
	Elf64_Phdr *Phdr;
	Elf64_Shdr *Shdr;
	Elf64_Shdr *text_section;
	char *extra_data;
} t_elf_content;

// utils.c
void *fetch(char *file, unsigned long file_size, unsigned long offset_to_data, unsigned long supposed_data_size);
int ft_put_error(char *str);
char *get_string(char *str, char *end_file);
int	get_symbols_count(int sh_size, int sh_entsize);

// woody.c
int prepare_injection(t_elf_content *woody);

// encrypt.c
void encrypt(char *file, unsigned long int offset, unsigned long int size);

#endif