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clean: rename efl_content to elf_content

This commit is contained in:
gbrochar 2024-04-09 10:30:12 +02:00
parent f83b053fcb
commit 2a20011050
3 changed files with 12 additions and 12 deletions
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6
includes/woody.h
View File

@ -22,7 +22,7 @@ typedef struct payload
size_t len; size_t len;
} t_payload; } t_payload;
typedef struct efl_content typedef struct elf_content
{ {
long unsigned int file_size; long unsigned int file_size;
char *file_path; char *file_path;
@ -31,14 +31,14 @@ typedef struct efl_content
Elf64_Phdr *Phdr; Elf64_Phdr *Phdr;
Elf64_Shdr *Shdr; Elf64_Shdr *Shdr;
char *extra_data; char *extra_data;
} t_efl_content; } t_elf_content;
// utils.c // utils.c
void *fetch(char *file, unsigned long file_size, unsigned long offset_to_data, unsigned long supposed_data_size); void *fetch(char *file, unsigned long file_size, unsigned long offset_to_data, unsigned long supposed_data_size);
int ft_put_error(char *str); int ft_put_error(char *str);
// woody.c // woody.c
int prepare_injection(t_efl_content *woody); int prepare_injection(t_elf_content *woody);
// encrypt.c // encrypt.c
void encrypt(char *file, unsigned long int offset, unsigned long int size); void encrypt(char *file, unsigned long int offset, unsigned long int size);

4
srcs/main.c
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@ -1,6 +1,6 @@
#include "../includes/woody.h" #include "../includes/woody.h"
int get_elf_file(t_efl_content *woody) int get_elf_file(t_elf_content *woody)
{ {
int fd; int fd;
off_t off; off_t off;
@ -32,7 +32,7 @@ int get_elf_file(t_efl_content *woody)
int main(int ac, char **av) int main(int ac, char **av)
{ {
t_efl_content woody; t_elf_content woody;
if (ac != 2) if (ac != 2)
{ {
return ft_put_error("Woody_woodpacker take 1 argument\n"); return ft_put_error("Woody_woodpacker take 1 argument\n");

14
srcs/woody.c
View File

@ -27,7 +27,7 @@ int save_elf(char *path, char *file, unsigned long int size)
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
int get_load_segment(t_efl_content *woody, int start, bool executable) int get_load_segment(t_elf_content *woody, int start, bool executable)
{ {
for (int i = start; i < woody->Ehdr->e_phnum; i++) for (int i = start; i < woody->Ehdr->e_phnum; i++)
{ {
@ -45,7 +45,7 @@ int get_load_segment(t_efl_content *woody, int start, bool executable)
return -1; return -1;
} }
void offset_sections(t_efl_content *woody, unsigned int from, unsigned int offset_ammount) void offset_sections(t_elf_content *woody, unsigned int from, unsigned int offset_ammount)
{ {
for (int i = 0; i < woody->Ehdr->e_phnum; i++) for (int i = 0; i < woody->Ehdr->e_phnum; i++)
{ {
@ -59,7 +59,7 @@ void offset_sections(t_efl_content *woody, unsigned int from, unsigned int offse
} }
} }
size_t create_codecave(t_efl_content *woody, Elf64_Phdr *load_segment, t_payload *payload) size_t create_codecave(t_elf_content *woody, Elf64_Phdr *load_segment, t_payload *payload)
{ {
const unsigned int page_size = 4096; // getpagesize(); not authorized const unsigned int page_size = 4096; // getpagesize(); not authorized
unsigned int padding_size = ((payload->len / page_size) + 1) * page_size; unsigned int padding_size = ((payload->len / page_size) + 1) * page_size;
@ -98,7 +98,7 @@ t_payload *get_payload()
return payload; return payload;
} }
int insert_payload(t_efl_content *woody, t_payload *payload, size_t payload_position) int insert_payload(t_elf_content *woody, t_payload *payload, size_t payload_position)
{ {
char *ptr = ft_strnstr_nullterminated(payload->payload, JUMP, payload->len); char *ptr = ft_strnstr_nullterminated(payload->payload, JUMP, payload->len);
if (ptr) if (ptr)
@ -119,7 +119,7 @@ int insert_payload(t_efl_content *woody, t_payload *payload, size_t payload_posi
return EXIT_FAILURE; return EXIT_FAILURE;
} }
void inject(t_efl_content *woody) void inject(t_elf_content *woody)
{ {
t_payload *payload = get_payload(); t_payload *payload = get_payload();
@ -149,7 +149,7 @@ void inject(t_efl_content *woody)
printf("New entry = %ld (%lx)\n", woody->Ehdr->e_entry, woody->Ehdr->e_entry); printf("New entry = %ld (%lx)\n", woody->Ehdr->e_entry, woody->Ehdr->e_entry);
} }
int get_elf_sections(t_efl_content *woody) int get_elf_sections(t_elf_content *woody)
{ {
woody->Ehdr = (Elf64_Ehdr *)fetch(woody->file, woody->file_size, 0, sizeof(Elf64_Ehdr)); woody->Ehdr = (Elf64_Ehdr *)fetch(woody->file, woody->file_size, 0, sizeof(Elf64_Ehdr));
if (!woody->Ehdr || !elf_magic_numbers(woody->file) || woody->Ehdr->e_ident[EI_CLASS] != ELFCLASS64) if (!woody->Ehdr || !elf_magic_numbers(woody->file) || woody->Ehdr->e_ident[EI_CLASS] != ELFCLASS64)
@ -197,7 +197,7 @@ int get_elf_sections(t_efl_content *woody)
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
int prepare_injection(t_efl_content *woody) int prepare_injection(t_elf_content *woody)
{ {
int elf_statut = get_elf_sections(woody); int elf_statut = get_elf_sections(woody);
if (elf_statut) if (elf_statut)