mirror of https://github.com/google/oss-fuzz.git
84 lines
2.2 KiB
Python
84 lines
2.2 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 atheris
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import sys
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import io
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# All code is instrumented by calling atheris.instrument_all below
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from google.resumable_media import _upload
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def test_simple(data):
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upload = _upload.SimpleUpload("localhost:8008/index.html")
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upload._prepare_request(data, None)
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def test_multipart(data):
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fdp = atheris.FuzzedDataProvider(data)
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headers = {"spin": "doctors"}
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upload = _upload.MultipartUpload(
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"localhost:8008/index.html",
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headers=headers,
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checksum="md5"
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)
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try:
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upload._prepare_request(
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fdp.ConsumeBytes(200),
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{},
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fdp.ConsumeString(200)
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)
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except UnicodeEncodeError:
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pass
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def _upload_in_flight(data, headers=None, checksum=None):
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upload = _upload.ResumableUpload(
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"localhost:8008://heyo",
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1024 * 1024,
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headers=headers,
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checksum=checksum
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)
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upload._stream = io.BytesIO(data)
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upload._content_type = "text/plain"
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upload._total_bytes = len(data)
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upload._resumable_url = "localhost:8009/test.invalid?upload_id=not-none"
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return upload
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def test_checksum(data):
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fdp = atheris.FuzzedDataProvider(data)
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for cs in ["md5", "crc32"]:
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upload = _upload_in_flight(fdp.ConsumeBytes(200), checksum=cs)
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try:
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start_byte, payload, _ = _upload.get_next_chunk(
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upload._stream,
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fdp.ConsumeIntInRange(1, 250),
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fdp.ConsumeIntInRange(1, 250)
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)
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except ValueError:
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pass
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def TestOneInput(data):
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test_simple(data)
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test_multipart(data)
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test_checksum(data)
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def main():
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atheris.instrument_all()
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atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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