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

55 lines
1.7 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 logging
with atheris.instrument_imports():
import google.cloud.logging_v2.handlers.handlers as handlers
import google.cloud.logging_v2.handlers.structured_log as log
def TestInput(data):
fdp = atheris.FuzzedDataProvider(data)
logname = fdp.ConsumeString(100)
message = fdp.ConsumeString(100)
record = logging.LogRecord(
logname, logging.INFO, None, None, message, None, None
)
handlers.CloudLoggingFilter._infer_source_location(record)
filter = handlers.CloudLoggingFilter(record)
handler = log.StructuredLogHandler(
labels={
fdp.ConsumeString(10):fdp.ConsumeString(20),
fdp.ConsumeString(10):fdp.ConsumeString(20)
},
project_id=fdp.ConsumeString(100)
)
try:
handler.format(record)
handlers._format_and_parse_message(record, handler)
handlers.setup_logging(handler)
except ValueError as e:
if "Formatting field not found in record" not in str(e):
raise e
def main():
atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()