mirror of https://github.com/google/oss-fuzz.git
102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
#!/usr/bin/python3
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import atheris
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import connexion
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from werkzeug.datastructures import MultiDict
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def fixed_params(data):
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"""Create a given URI parser and pass in fixed params for the URI object
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and a random query."""
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fdp = atheris.FuzzedDataProvider(data)
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collection_formats = ['csv', 'pipes', 'multi']
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parameters = [{
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"name": "letters",
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"in": "query",
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"type": "string",
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"items": {
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"type": "string"
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},
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"collectionFormat": fdp.PickValueInList(collection_formats),
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}]
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parser_classes = [
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connexion.uri_parsing.OpenAPIURIParser,
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connexion.uri_parsing.Swagger2URIParser,
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connexion.uri_parsing.AlwaysMultiURIParser,
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connexion.uri_parsing.FirstValueURIParser,
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]
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parser_class = fdp.PickValueInList(parser_classes)
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parser = parser_class(parameters, {})
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param_dict = MultiDict([
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24))
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])
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parser.resolve_query(param_dict.to_dict(flat=False))
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def arbitrary(data):
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"""Create a given URI parser and pass in random params as well as random
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query params."""
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fdp = atheris.FuzzedDataProvider(data)
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collection_formats = ['csv', 'pipes', 'multi']
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parameters = [{
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fdp.ConsumeUnicodeNoSurrogates(24): fdp.ConsumeUnicodeNoSurrogates(24),
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fdp.ConsumeUnicodeNoSurrogates(24): fdp.ConsumeUnicodeNoSurrogates(24),
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fdp.ConsumeUnicodeNoSurrogates(24): fdp.ConsumeUnicodeNoSurrogates(24),
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fdp.ConsumeUnicodeNoSurrogates(24): {
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fdp.ConsumeUnicodeNoSurrogates(24): fdp.ConsumeUnicodeNoSurrogates(24)
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},
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"collectionFormat": fdp.PickValueInList(collection_formats),
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}]
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parser_classes = [
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connexion.uri_parsing.OpenAPIURIParser,
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connexion.uri_parsing.Swagger2URIParser,
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connexion.uri_parsing.AlwaysMultiURIParser,
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connexion.uri_parsing.FirstValueURIParser,
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]
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parser_class = fdp.PickValueInList(parser_classes)
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try:
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parser = parser_class(parameters, {})
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except KeyError:
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return
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param_dict = MultiDict([
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24)),
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(fdp.ConsumeUnicodeNoSurrogates(24), fdp.ConsumeUnicodeNoSurrogates(24))
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])
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parser.resolve_query(param_dict.to_dict(flat=False))
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def TestOneInput(data):
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fixed_params(data)
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arbitrary(data)
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def main():
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atheris.instrument_all()
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atheris.Setup(sys.argv, TestOneInput)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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