mirror of https://github.com/google/oss-fuzz.git
78 lines
2.2 KiB
Python
78 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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"""Target several modules in the packaging project."""
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import sys
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import atheris
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from packaging.utils import (canonicalize_version, parse_wheel_filename,
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parse_sdist_filename, InvalidSdistFilename,
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InvalidWheelFilename)
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from packaging.specifiers import InvalidSpecifier, Specifier
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from packaging.version import InvalidVersion
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def fuzz_utils(data):
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"""Logic to hit routines in src/packaging/utils."""
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fdp = atheris.FuzzedDataProvider(data)
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canonicalize_version(
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fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
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try:
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parse_sdist_filename(
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fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
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except InvalidSdistFilename:
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pass
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try:
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parse_wheel_filename(
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fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
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except InvalidWheelFilename:
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pass
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def fuzz_specifier(data):
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"""Logic to hit routines in src/packaging/specifiers."""
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fdp = atheris.FuzzedDataProvider(data)
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try:
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spec1 = Specifier(
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fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
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spec2 = Specifier(
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fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
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except InvalidSpecifier:
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return
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b1 = spec1 == spec2
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b2 = spec1 != spec2
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try:
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b7 = spec1.contains(fdp.ConsumeUnicodeNoSurrogates(24))
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except InvalidVersion:
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pass
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def TestOneInput(data):
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"""Fuzzer entrypoint, wrapper around fuzz_* routines."""
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fuzz_utils(data)
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fuzz_specifier(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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