int main(int argc, char *argv[])
{
struct elf_handle *handle;
char *file, *bytes;
int size;
file = parse_args(argc, argv);
if (!options.flat_binary) {
if ((handle = elf_init(file)) == NULL) {
fprintf(stderr, "Failed to initialize elf file %s: %s\n", file, strerror(errno));
return 1;
}
bytes = get_bytes(handle, options.function, &size);
elf_free(handle);
} else
bytes = read_flat_binary(file, &size);
fprintf(stderr, "Printing shellcode (%d bytes)\n", size);
if (!strcasecmp(options.format, "python"))
print_opcodes_py(bytes, size);
else if (!strcasecmp(options.format, "hexdump"))
print_opcodes_hex(bytes, size);
else if (!strcasecmp(options.format, "raw"))
print_opcodes_raw(bytes, size);
else
print_opcodes_C(bytes, size);
fflush(stdout);
free(bytes);
return 0;
}
int main(int argc, char** argv) {
if (argc < 2) {
fprintf(stderr, "no input elf specified\n");
return EXIT_FAILURE;
}
elf_t elf;
int ret = elf_read(argv[1], &elf);
if (ret != 0) {
fprintf(stderr, "unable to parse elf: %d\n", ret);
return EXIT_FAILURE;
}
elf_print_sections(&elf);
elf_print_symbols(&elf);
int symbol;
uint64_t faddr;
uint32_t* val;
ret = elf_get_symbol_by_name(&elf, "SOME_GLOBAL", &symbol);
if (ret != 0) {
fprintf(stderr, "no such symbol 'SOME_GLOBAL'\n");
return EXIT_FAILURE;
}
ret = elf_get_symbol_faddr(&elf, symbol, &faddr);
if (ret != 0) {
fprintf(stderr, "unable to map symbol: %d\n", ret);
return EXIT_FAILURE;
}
val = (uint32_t*)(elf.elf_data + faddr);
printf("Value of SOME_GLOBAL: 0x%x\n", *val);
elf_free(&elf);
return EXIT_SUCCESS;
}
