Does not support Python 3.11

[acidghost]

Python 3.11 is not supported

When invoking stuff from the shellcraft module I get errors:

❯ ipython
Python 3.11.0 (main, Nov 23 2022, 15:15:44) [Clang 14.0.0 (clang-1400.0.29.202)]
Type 'copyright', 'credits' or 'license' for more information
IPython 8.7.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: from pwn import *

In [2]: exe = ELF("./fun")
[*] '/[redacted]/fun'
    Arch:     i386-32-little
    RELRO:    Partial RELRO
    Stack:    No canary found
    NX:       NX disabled
    PIE:      No PIE (0x8048000)
    RWX:      Has RWX segments

In [3]: context.binary = exe

In [4]: shellcraft.linux.sh
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Cell In[4], line 1
----> 1 shellcraft.linux.sh

File ~/.local/share/virtualenvs/picoctf-practice-DUv4OV_q/lib/python3.11/site-packages/pwnlib/shellcraft/__init__.py:80, in module.__getattr__(self, key)
     78 # This function lazy-loads the shellcodes
     79 if key in self._shellcodes:
---> 80     real = internal.make_function(key, self._shellcodes[key], self._dir)
     81     setattr(self, key, real)
     82     return real

File ~/.local/share/virtualenvs/picoctf-practice-DUv4OV_q/lib/python3.11/site-packages/pwnlib/shellcraft/internal.py:116, in make_function(funcname, filename, directory)
    113 path       = os.path.join(directory, filename)
    114 template   = lookup_template(path)
--> 116 args, varargs, keywords, defaults = inspect.getargspec(template.module.render_body)
    118 defaults = defaults or []
    120 if len(defaults) < len(args) and args[0] == 'context':

AttributeError: module 'inspect' has no attribute 'getargspec'

In [5]: shellcraft.linux.syscalls.execve
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Cell In[5], line 1
----> 1 shellcraft.linux.syscalls.execve

File ~/.local/share/virtualenvs/picoctf-practice-DUv4OV_q/lib/python3.11/site-packages/pwnlib/shellcraft/__init__.py:80, in module.__getattr__(self, key)
     78 # This function lazy-loads the shellcodes
     79 if key in self._shellcodes:
---> 80     real = internal.make_function(key, self._shellcodes[key], self._dir)
     81     setattr(self, key, real)
     82     return real

File ~/.local/share/virtualenvs/picoctf-practice-DUv4OV_q/lib/python3.11/site-packages/pwnlib/shellcraft/internal.py:116, in make_function(funcname, filename, directory)
    113 path       = os.path.join(directory, filename)
    114 template   = lookup_template(path)
--> 116 args, varargs, keywords, defaults = inspect.getargspec(template.module.render_body)
    118 defaults = defaults or []
    120 if len(defaults) < len(args) and args[0] == 'context':

AttributeError: module 'inspect' has no attribute 'getargspec'

In [6]: shellcraft.sh
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Cell In[6], line 1
----> 1 shellcraft.sh

File ~/.local/share/virtualenvs/picoctf-practice-DUv4OV_q/lib/python3.11/site-packages/pwnlib/shellcraft/__init__.py:90, in module.__getattr__(self, key)
     87     except AttributeError:
     88         pass
---> 90 raise AttributeError("'module' object has no attribute '%s'" % key)

AttributeError: 'module' object has no attribute 'sh'

This is due to (at least) Python 3.11 removing inspect.getargspec (https://docs.python.org/3.11/whatsnew/3.11.html#removed).

Environment

• macOS 13.0.1
• python 3.11.0
• pwntools 4.8.0