diff --git a/projects/wheel/Dockerfile b/projects/wheel/Dockerfile new file mode 100644 index 000000000..95b85fb4f --- /dev/null +++ b/projects/wheel/Dockerfile @@ -0,0 +1,18 @@ +#!/usr/bin/python3 +# Copyright 2022 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. +FROM gcr.io/oss-fuzz-base/base-builder-python +RUN git clone https://github.com/pypa/wheel wheel +COPY *.sh *py $SRC/ +WORKDIR $SRC/wheel diff --git a/projects/wheel/build.sh b/projects/wheel/build.sh new file mode 100644 index 000000000..338e12e52 --- /dev/null +++ b/projects/wheel/build.sh @@ -0,0 +1,22 @@ +#!/bin/bash -eu +# Copyright 2022 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. +# +################################################################################ +pip3 install . + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + compile_python_fuzzer $fuzzer +done diff --git a/projects/wheel/fuzz_wheel.py b/projects/wheel/fuzz_wheel.py new file mode 100644 index 000000000..362fa36f5 --- /dev/null +++ b/projects/wheel/fuzz_wheel.py @@ -0,0 +1,48 @@ +#!/usr/bin/python3 +# Copyright 2022 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 zipfile +from wheel.cli import unpack, WheelError + + +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + wheel_path = "/tmp/fuzzwheelfile-1.0-py27-none-any.whl" + with open(wheel_path, "wb") as fuzz_file: + fuzz_file.write(data) + + try: + zipfile.ZipFile(wheel_path, "r", zipfile.ZIP_DEFLATED, allowZip64=True) + except: + # To focus on the wheel logic we only want to use zipfiles that + # does not cause zipfile to break. This is because wheel does not + # protect against this: e.g. https://github.com/pypa/wheel/blob/8dfef1355a8f19e773a08630613bd2da6c636c37/src/wheel/wheelfile.py#L47 + return + + try: + unpack.unpack(wheel_path) + except WheelError: + pass + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/wheel/project.yaml b/projects/wheel/project.yaml new file mode 100644 index 000000000..feda4a58a --- /dev/null +++ b/projects/wheel/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/pypa/wheel +language: python +main_repo: https://github.com/pypa/wheel +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com