ClickHouse/utils/libfuzzer/runner.py
Yakov Olkhovskiy 5361ade8e7 optimize
2024-07-15 19:10:07 +00:00

85 lines
2.6 KiB
Python

#!/usr/bin/env python3
import configparser
import logging
import os
from pathlib import Path
import subprocess
DEBUGGER = os.getenv("DEBUGGER", "")
FUZZER_ARGS = os.getenv("FUZZER_ARGS", "")
def run_fuzzer(fuzzer: str):
logging.info(f"Running fuzzer {fuzzer}...")
corpus_dir = f"{fuzzer}.in"
with Path(corpus_dir) as path:
if not path.exists() or not path.is_dir():
corpus_dir = ""
options_file = f"{fuzzer}.options"
custom_libfuzzer_options = ""
fuzzer_arguments = ""
with Path(options_file) as path:
if path.exists() and path.is_file():
parser = configparser.ConfigParser()
parser.read(path)
if parser.has_section("asan"):
os.environ["ASAN_OPTIONS"] = (
f"{os.environ['ASAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['asan'].items())}"
)
if parser.has_section("msan"):
os.environ["MSAN_OPTIONS"] = (
f"{os.environ['MSAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['msan'].items())}"
)
if parser.has_section("ubsan"):
os.environ["UBSAN_OPTIONS"] = (
f"{os.environ['UBSAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['ubsan'].items())}"
)
if parser.has_section("libfuzzer"):
custom_libfuzzer_options = " ".join(
"-%s=%s" % (key, value)
for key, value in parser["libfuzzer"].items()
)
if parser.has_section("fuzzer_arguments"):
fuzzer_arguments = " ".join(
("%s" % key) if value == "" else ("%s=%s" % (key, value))
for key, value in parser["fuzzer_arguments"].items()
)
cmd_line = f"{DEBUGGER} ./{fuzzer} {FUZZER_ARGS} {corpus_dir}"
if custom_libfuzzer_options:
cmd_line += f" {custom_libfuzzer_options}"
if fuzzer_arguments:
cmd_line += f" {fuzzer_arguments}"
if not "-dict=" in cmd_line and Path(f"{fuzzer}.dict").exists():
cmd_line += f" -dict={fuzzer}.dict"
cmd_line += " < /dev/null"
logging.info(f"...will execute: {cmd_line}")
subprocess.check_call(cmd_line, shell=True)
def main():
logging.basicConfig(level=logging.INFO)
subprocess.check_call("ls -al", shell=True)
with Path() as current:
for fuzzer in current.iterdir():
if (current / fuzzer).is_file() and os.access(current / fuzzer, os.X_OK):
run_fuzzer(fuzzer)
if __name__ == "__main__":
main()