projects/urllib3/fuzz_urlparse.py

#!/usr/bin/python3
# Copyright 2021 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 os
import sys
import atheris
import urllib3

def TestOneInput(data):
    fdp = atheris.FuzzedDataProvider(data)
    original = fdp.ConsumeUnicode(sys.maxsize)

    try:
        urllib3.util.parse_url(original)
    except urllib3.exceptions.LocationParseError:
        None
    return

def main():
    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
    atheris.Fuzz()

if __name__ == "__main__":
    atheris.instrument_all()
    main()