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#!/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
with atheris.instrument_imports():
import zipfile
import openpyxl
def TestInput(data):
temp_file = "test.xlsx"
with open(temp_file, "wb") as fd:
fd.write(data)
try:
wb2 = openpyxl.load_workbook(temp_file)
except (zipfile.BadZipFile ,OSError) as e:
pass
except KeyError as e:
if "There is no item named '[Content_Types].xml' in the archive" in str(e):
#Not related to this fuzzing - possibly caused by known issue of wrong exception type as below
#https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1061
pass
else:
raise(e)
def main():
atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()
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