oss-fuzz/projects/flask-restx/fuzz_reqparse.py

59 lines
1.6 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 os
import sys
import atheris
import traceback
from werkzeug.wrappers import Request
import flask
from flask_restx.reqparse import RequestParser
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
try:
req = Request.from_values(fdp.ConsumeUnicodeNoSurrogates(1024))
except:
# We don't care about errors in werkzeug Request.
return
app = flask.Flask("fuzz")
try:
with app.app_context():
parser = RequestParser()
parser.add_argument("ex1")
parser.add_argument("ex2")
# Parse arbitrary req
parser.parse_args(req)
except Exception as e2:
tb = traceback.format_exc()
# We don't care about werkzeug errors
if "werkzeug" in str(tb):
pass
else:
raise e2
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()