oss-fuzz/projects/fonttools/fuzz_ttfont_save.py

46 lines
1.1 KiB
Python

#!/usr/bin/python3
# Copyright 2023 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 io
import sys
import atheris
from fontTools import ttLib
from fontTools.ttLib import TTFont
import xml
def TestOneInput(data):
randfile = "/tmp/random2.ttx"
with open(randfile, "wb") as f:
f.write(data)
try:
otf = TTFont(randfile)
except Exception:
return
# The idea to check here is that does not throw an issue when being loaded
# should be save-able.
otf.saveXML('/tmp/saved_font.xml')
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()