mirror of https://github.com/google/oss-fuzz.git
75 lines
1.9 KiB
Python
75 lines
1.9 KiB
Python
#!/usr/bin/python3
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# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import io
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import sys
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import atheris
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# aiohttp imports
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import asyncio
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with atheris.instrument_imports():
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import aiohttp
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from aiohttp.hdrs import (
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CONTENT_TYPE,
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)
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class FuzzStream:
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def __init__(self, content):
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self.content = io.BytesIO(content)
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async def read(self, size = None):
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return self.content.read(size)
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def at_eof(self):
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return self.content.tell() == len(self.content.getbuffer())
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async def readline(self):
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return self.content.readline()
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def unread_data(self, data):
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self.content = io.BytesIO(data + self.content.read())
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@atheris.instrument_func
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async def fuzz_bodypart_reader(data):
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newline=b'\n'
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fdp = atheris.FuzzedDataProvider(data)
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obj = aiohttp.BodyPartReader(
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b"--:",
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{
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CONTENT_TYPE: fdp.ConsumeUnicode(30)
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},
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FuzzStream(fdp.ConsumeBytes(atheris.ALL_REMAINING)),
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_newline=newline
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)
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if not obj.at_eof():
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await obj.form()
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@atheris.instrument_func
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def TestOneInput(data):
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try:
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asyncio.run(fuzz_bodypart_reader(data))
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except AssertionError:
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return
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def main():
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atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
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loop = asyncio.get_event_loop()
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asyncio.set_event_loop(loop)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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