oss-fuzz/projects/croniter/fuzz_iter.py

54 lines
1.5 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
from datetime import datetime
import croniter
from croniter.croniter import CroniterError, CroniterBadTypeRangeError
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
base = datetime(2012, 4, 6, 13, 26, 10)
try:
cron_str = fdp.ConsumeString(50)
hash_id = fdp.ConsumeBytes(2)
croniter.croniter.is_valid(cron_str, hash_id=hash_id)
itr = croniter.croniter(cron_str, base, hash_id=hash_id)
idx = 0
for v in itr.all_next():
idx += 1
if idx > 10:
break
itr.get_next()
itr.get_prev()
except (CroniterError, CroniterBadTypeRangeError) as e:
pass
except NameError as e:
# Catch https://github.com/kiorky/croniter/blob/bb5a45196e5f8f15fd0890f4ee5e9697671a3fe2/src/croniter/croniter.py#L781
if not "'exc' is not defined" in str(e):
raise e
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()