Mercurial > dropbear
view test/parent_dropbear_map.py @ 1874:1c9215154d4a
Handle /proc/.../maps being reordered
We now search for the first r-xp line in the file
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 03 Feb 2022 22:13:06 +0800 |
parents | 2b3a8026a6ce |
children |
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#!/usr/bin/env python3 import os import sys import time import psutil from pathlib import Path want_name = "dropbear" # Walks up the parent process tree, prints a r-xp line of /proc/pid/maps when # it finds the wanted name def main(): try: for p in psutil.Process().parents(): print(p.pid, file=sys.stderr) print(p.name(), file=sys.stderr) print(p.cmdline(), file=sys.stderr) if want_name in p.name(): with (Path('/proc') / str(p.pid) / "maps").open() as f: for i, l in enumerate(f, 1): if ' r-xp ' in l: print(l.rstrip()) break return raise RuntimeError(f"Couldn't find parent {want_name} process") except Exception as e: print(psutil.Process().parents()) for p in psutil.Process().parents(): print(p.name()) print(e) # time.sleep(100) raise if __name__ == "__main__": main()