Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_oauth1_sig.py: 57%

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. 

26 

27import os 

28import sys 

29import atheris 

30 

31from oauthlib.oauth1.rfc5849.signature import ( 

32 verify_hmac_sha1, verify_rsa_sha512 

33) 

34 

35 

36class FuzzMockRequest: 

37 def __init__( 

38 self, 

39 method, 

40 uri_str, 

41 params, 

42 signature 

43 ): 

44 self.uri = uri_str 

45 self.http_method = method 

46 self.params = params 

47 self.signature = signature 

48 

49 

50def TestOneInput(data): 

51 fdp = atheris.FuzzedDataProvider(data) 

52 mr = FuzzMockRequest( 

53 method = fdp.ConsumeUnicodeNoSurrogates(64), 

54 uri_str = fdp.ConsumeUnicodeNoSurrogates(64), 

55 params = [ 

56 ( 

57 fdp.ConsumeUnicodeNoSurrogates(64), 

58 fdp.ConsumeUnicodeNoSurrogates(64) 

59 ) 

60 ], 

61 signature = fdp.ConsumeUnicodeNoSurrogates(64), 

62 ) 

63 try: 

64 verify_hmac_sha1(mr, None, None) 

65 except ValueError: 

66 pass 

67 

68 try: 

69 verify_rsa_sha512( 

70 mr, fdp.ConsumeUnicodeNoSurrogates(512) 

71 ) 

72 except ValueError: 

73 pass 

74 

75 

76def main(): 

77 atheris.instrument_all() 

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

79 atheris.Fuzz() 

80 

81 

82if __name__ == "__main__": 

83 main()