#!/usr/bin/python3 # Copyright (C) Internet Systems Consortium, Inc. ("ISC") # # SPDX-License-Identifier: MPL-2.0 # # This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this # file, you can obtain one at https://mozilla.org/MPL/2.0/. # # See the COPYRIGHT file distributed with this work for additional # information regarding copyright ownership. import os import pathlib import subprocess import isctest import pytest def is_pid_alive(pid): try: os.kill(pid, 0) return True except OSError: return False def run_sslyze_in_a_loop(executable, port, log_file_prefix): # Determine the PID of ns1. with open(pathlib.Path("ns1", "named.pid"), encoding="utf-8") as pidfile: pid = int(pidfile.read()) # Ensure ns1 is alive before starting the loop below to avoid reporting # false positives. if not is_pid_alive(pid): pytest.skip(f"ns1 (PID: {pid}) is not running") # Run sslyze on ns1 in a loop with a limit of 30 iterations. Interrupt the # test as soon as ns1 is determined to not be running any more. Log sslyze # output. sslyze_args = [executable, f"10.53.0.1:{port}"] for i in range(0, 30): log_file = f"{log_file_prefix}.ns1.{port}.{i + 1}" with open(log_file, "wb") as sslyze_log: # Run sslyze, logging stdout+stderr. Ignore the exit code since # sslyze is only used for triggering crashes here rather than # actual TLS analysis. isctest.run.cmd( sslyze_args, stdout=sslyze_log, stderr=subprocess.STDOUT, timeout=30, raise_on_exception=False, ) # Ensure ns1 is still alive after each sslyze run. assert is_pid_alive(pid), f"ns1 (PID: {pid}) exited prematurely" def test_sslyze_doh(sslyze_executable, named_httpsport): run_sslyze_in_a_loop(sslyze_executable, named_httpsport, "sslyze.log.doh") def test_sslyze_dot(sslyze_executable, named_tlsport): run_sslyze_in_a_loop(sslyze_executable, named_tlsport, "sslyze.log.dot")