\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """ ELF file parser. This provides a class ``ELFFile`` that parses an ELF executable in a similar interface to ``ZipFile``. Only the read interface is implemented. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html """ import enum import os import struct from typing import IO, Optional, Tuple class ELFInvalid(ValueError): pass class EIClass(enum.IntEnum): C32 = 1 C64 = 2 class EIData(enum.IntEnum): Lsb = 1 Msb = 2 class EMachine(enum.IntEnum): I386 = 3 S390 = 22 Arm = 40 X8664 = 62 AArc64 = 183 class ELFFile: """ Representation of an ELF executable. """ def __init__(self, f: IO[bytes]) -> None: self._f = f try: ident = self._read("16B") except struct.error: raise ELFInvalid("unable to parse identification") magic = bytes(ident[:4]) if magic != b"\x7fELF": raise ELFInvalid(f"invalid magic: {magic!r}") self.capacity = ident[4] # Format for program header (bitness). self.encoding = ident[5] # Data structure encoding (endianness). try: # e_fmt: Format for program header. # p_fmt: Format for section header. # p_idx: Indexes to find p_type, p_offset, and p_filesz. e_fmt, self._p_fmt, self._p_idx = { (1, 1): ("