diff --git a/projects/dnspython/Dockerfile b/projects/dnspython/Dockerfile new file mode 100644 index 000000000..f5a9f4fce --- /dev/null +++ b/projects/dnspython/Dockerfile @@ -0,0 +1,18 @@ +#!/usr/bin/python3 +# Copyright 2023 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/rthalley/dnspython dnspython +COPY *.sh *py $SRC/ +WORKDIR $SRC/dnspython diff --git a/projects/dnspython/build.sh b/projects/dnspython/build.sh new file mode 100644 index 000000000..0f26fbc3c --- /dev/null +++ b/projects/dnspython/build.sh @@ -0,0 +1,22 @@ +#!/bin/bash -eu +# Copyright 2023 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/dnspython/fuzz_message.py b/projects/dnspython/fuzz_message.py new file mode 100644 index 000000000..2f3e97fc2 --- /dev/null +++ b/projects/dnspython/fuzz_message.py @@ -0,0 +1,37 @@ +#!/usr/bin/python3 +# Copyright 2023 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 dns.message +import dns.exception + + +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + try: + dns.message.from_text(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize)) + except dns.exception.DNSException: + pass + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/dnspython/fuzz_token.py b/projects/dnspython/fuzz_token.py new file mode 100644 index 000000000..2280bd3dc --- /dev/null +++ b/projects/dnspython/fuzz_token.py @@ -0,0 +1,38 @@ +#!/usr/bin/python3 +# Copyright 2023 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 dns.tokenizer +import dns.exception + + +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + token = dns.tokenizer.Tokenizer(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize)) + try: + list(iter(token)) + except dns.exception.DNSException: + pass + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/dnspython/project.yaml b/projects/dnspython/project.yaml new file mode 100644 index 000000000..e476bcf73 --- /dev/null +++ b/projects/dnspython/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/rthalley/dnspython +language: python +main_repo: https://github.com/rthalley/dnspython +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com