oss-fuzz/projects/pip/fuzz_requirements.py

52 lines
1.4 KiB
Python

#!/usr/bin/python3
# Copyright 2022 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
import pip._internal.req.req_file as pipreq
from pip._internal.exceptions import RequirementsFileParseError
from pip._internal.network.session import PipSession
@atheris.instrument_func
def TestOneInput(input_bytes):
with open("temp.req", "wb") as fd:
fd.write(input_bytes)
try:
[_ for _ in pipreq.parse_requirements(
"temp.req",
PipSession(),
finder=None,
options=None,
constraint=None
)]
except UnicodeDecodeError:
# Catch this because I think it's a user issue if Unicode exceptions happen
None
except RequirementsFileParseError:
# Exception thrown by the requirements reader
None
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()