oss-fuzz/projects/g-cloud-logging-py/fuzz_entries.py

81 lines
2.5 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 atheris
import sys
import google.cloud.logging_v2.entries as entries
from google.cloud.logging_v2.client import Client
from google.cloud.logging_v2.resource import Resource
def create_dummy_log_entry(fdp):
return entries.LogEntry(
log_name=fdp.ConsumeString(20),
labels={
fdp.ConsumeString(10):fdp.ConsumeString(20),
fdp.ConsumeString(10):fdp.ConsumeString(20)
},
insert_id=fdp.ConsumeString(20),
timestamp=fdp.ConsumeString(20),
resource=Resource(type="global", labels={}),
trace=fdp.ConsumeString(20),
span_id=fdp.ConsumeString(20),
trace_sampled=fdp.ConsumeBool(),
source_location=LogEntrySourceLocation(
file=fdp.ConsumeString(20),
line=fdp.ConsumeString(20),
function=fdp.ConsumeString(20)
),
operation=LogEntryOperation(
id=fdp.ConsumeString(20),
producer=fdp.ConsumeString(20),
first=fdp.ConsumeBool(),
last=fdp.ConsumeBool()
)
)
def TestInput(data):
if len(data) < 1:
return
fdp = atheris.FuzzedDataProvider(data)
try:
entries._int_or_none(fdp.ConsumeInt(100))
entries.logger_name_from_path(fdp.ConsumeString(100))
entries.logger_name_from_path(fdp.ConsumeString(100),fdp.ConsumeString(50))
log_entry = create_dummy_log_entry(fdp)
log_entry.to_api_repr()
TextEntry(log_entry).to_api_repr()
StructEntry(log_entry).to_api_repr()
protobuf_entry = ProtobufEntry(log_entry)
protobuf_entry.payload_pb()
protobuf_entry.payload_json()
protobuf_entry.to_api_repr()
except ValueError as e:
if "did not match expected pattern" not in str(e):
raise e
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()