oss-fuzz/projects/botocore/fuzz_serialization.py

82 lines
2.0 KiB
Python

#!/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 io
import botocore
from botocore import serialize
from botocore.model import ServiceModel
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
protocols = [
'rest-xml', 'json', 'query'
]
protocol_str = protocols[fdp.ConsumeIntInRange(0, len(protocols)-1)]
# Simple model with a single shape of type blob
model = {
'metadata': {'protocol': protocol_str, 'apiVersion': '2022-01-01'},
'documentation': '',
'operations': {
'FuzzOperation': {
'name': 'FuzzOperation',
'http': {
'method': 'POST',
'requestUri': '/',
},
'input': {'shape': 'FuzzInputShape'},
}
},
'shapes': {
'FuzzInputShape': {
'type': 'structure',
'members': {
'Blob': {'shape': 'BlobType'},
},
},
'BlobType': {
'type': 'blob',
},
},
}
service_model = ServiceModel(model)
request_serializer = serialize.create_serializer(
service_model.metadata['protocol']
)
body = io.BytesIO(data)
try:
request_serializer.serialize_to_request(
body,
service_model.operation_model('FuzzOperation')
)
except botocore.exceptions.ParamValidationError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()