mirror of https://github.com/google/oss-fuzz.git
54 lines
1.6 KiB
Python
54 lines
1.6 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 mock
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with atheris.instrument_imports():
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from google.cloud.logging_v2.handlers import _monitored_resources
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global_fdp = None
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def mock_retrieve_metadata_server(endpoint):
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"""Mock for retrieve_metadata_server"""
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if global_fdp is None:
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return None
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if global_fdp.ConsumeIntInRange(1, 10) < 3:
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return None
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return global_fdp.ConsumeUnicodeNoSurrogates(30)
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def TestInput(data):
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global global_fdp
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global_fdp = atheris.FuzzedDataProvider(data)
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# Mock the metadata server to avoid connections. The
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# retrieve_metadata_server will return fuzzer-seeded data.
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patch = mock.patch(
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"google.cloud.logging_v2.handlers._monitored_resources.retrieve_metadata_server",
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wraps=mock_retrieve_metadata_server,
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)
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# TODO: randomise relevant environment variables.
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with patch:
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_monitored_resources.detect_resource()
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def main():
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atheris.Setup(sys.argv, TestInput, 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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