woody-woodpacker/includes/woody.h

63 lines
1.3 KiB
C

#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 WOODY "....WOODY...."
#define JUMP_VALUE "\xda\xda\xda"
#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;
int 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 *symbols_table;
int num_symbols;
Elf64_Shdr *text_section;
Elf64_Sym *symbols;
char *Sshstrtab;
} 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);
char *get_section_name(t_elf_content *woody, int section_index);
// woody.c
int inject(t_elf_content *woody);
int get_elf_sections(t_elf_content *woody);
// encrypt.c
void encrypt(char *file, unsigned long int offset, unsigned long int size);
#endif