Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_asymmetric_load.py: 62%

1###### Coverage stub 

2import atexit 

3import coverage 

4cov = coverage.coverage(data_file='.coverage', cover_pylib=True) 

5cov.start() 

6# Register an exist handler that will print coverage 

7def exit_handler(): 

8 cov.stop() 

9 cov.save() 

10atexit.register(exit_handler) 

11####### End of coverage stub 

12#!/usr/bin/python3 

13# Copyright 2022 Google LLC 

14# 

15# Licensed under the Apache License, Version 2.0 (the "License"); 

16# you may not use this file except in compliance with the License. 

17# You may obtain a copy of the License at 

18# 

19# http://www.apache.org/licenses/LICENSE-2.0 

20# 

21# Unless required by applicable law or agreed to in writing, software 

22# distributed under the License is distributed on an "AS IS" BASIS, 

23# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

24# See the License for the specific language governing permissions and 

25# limitations under the License. 

26import sys 

27import atheris 

28 

29from oscrypto import asymmetric, errors, backend 

30 

31 

32def TestOneInput(data): 

33 randfile = "/tmp/random.cert" 

34 with open(randfile, "wb") as f: 

35 f.write(data) 

36 

37 if not os.path.isfile(randfile): 

38 return 

39 

40 try: 

41 asymmetric.load_certificate(randfile) 

42 except ValueError: 

43 pass 

44 except OSError: 

45 pass 

46 

47 try: 

48 asymmetric.load_private_key(randfile) 

49 except ValueError: 

50 pass 

51 except OSError: 

52 pass 

53 

54 try: 

55 asymmetric.load_public_key(randfile) 

56 except ValueError: 

57 pass 

58 except OSError: 

59 pass 

60 

61def main(): 

62 atheris.instrument_all() 

63 atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) 

64 atheris.Fuzz() 

65 

66 

67if __name__ == "__main__": 

68 main()