oss-fuzz/projects/azure-sdk-for-python/fuzz_mgmt_serialization.py

68 lines
1.8 KiB
Python

#!/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 json
import atheris
from azure.mgmt.dynatrace import _serialization
from azure.mgmt.dynatrace.models import _models_py3
from azure.core.exceptions import (
DeserializationError,
SerializationError
)
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
try:
payload = json.loads(fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)))
except:
return
model = _models_py3.AccountInfo()
# Overwrite the types, this is easier than creating a new class.
model._attribute_map = payload
try:
serialized_data = model.serialize()
serialized = True
except SerializationError:
serialized = False
deserializer = _serialization.Deserializer()
if serialized:
# Anything serialized should be unserializable
deserializer._deserialize(model, serialized_data)
else:
# Otherwise we deserialize random data and catch exceptions
try:
deserializer._deserialize(
model,
fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024))
)
except DeserializationError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()