oss-fuzz/projects/toolbelt/fuzz_multipart.py

50 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
import io
import mock
import requests
from requests_toolbelt.multipart import decoder
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
response = mock.NonCallableMagicMock(spec=requests.Response)
response.headers = {
'content-type': 'multipart/related; boundary="samp1"'
}
response.content = io.BytesIO(data).getvalue()
try:
decoder.MultipartDecoder.from_response(response)
except decoder.ImproperBodyPartContentException:
pass
except decoder.NonMultipartContentTypeException:
pass
except UnicodeDecodeError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()