oss-fuzz/projects/setuptools/fuzz_config_pyprojecttoml.py

51 lines
1.3 KiB
Python

#!/usr/bin/python3
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import atheris
from setuptools.extern import tomli
from setuptools.config.pyprojecttoml import (
read_configuration
)
from setuptools.errors import FileError
def TestOneInput(data):
"""Fuzzer read_configuration assuming any valid toml file should not
cause exceptions to happen.
"""
fdp = atheris.FuzzedDataProvider(data)
config_path = "/tmp/pyproject.taml"
with open(config_path, "w") as cf:
cf.write(fdp.ConsumeUnicodeNoSurrogates(4096))
try:
config = read_configuration(config_path)
except tomli.TOMLDecodeError:
pass
except FileError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()