oss-fuzz/projects/looker-sdk/fuzz_looker.py

107 lines
2.9 KiB
Python

#!/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.
"""Targetting the looker-sdk"""
import os
import sys
import json
import mock
import atheris
import looker_sdk
import requests
from looker_sdk import models40 as models
# Sample configuration. We use mock to handle network communication so
# these fields are not important.
conf = """[Looker]
api_versions=3.1,4.0
base_url=https://localhost:19999
client_id=your_API3_client_id
client_secret=your_API3_client_secret
verify_ssl=true
timeout=2"""
return_dict = None
def transport_requests_mock(
method,
path,
query_params=None,
body=None,
authenticator=None,
transport_options=None
):
"""Returns an arbitrary dictionary string"""
global return_dict
r1 = looker_sdk.rtl.transport.Response(True, return_dict, 3, "utf-8")
return r1
@atheris.instrument_func
def TestOneInput(data):
global return_dict
fdp = atheris.FuzzedDataProvider(data)
s1 = fdp.ConsumeString(sys.maxsize)
try:
fuzzed_dict = json.loads(s1)
except:
return
if type(fuzzed_dict) is not dict:
return
return_dict = str.encode(s1)
with open("looker.ini", "w") as f:
f.write(conf)
sdk = looker_sdk.init40("looker.ini")
m1 = fdp.ConsumeUnicodeNoSurrogates(20)
v1 = fdp.ConsumeUnicodeNoSurrogates(20)
l1 = [fdp.ConsumeUnicodeNoSurrogates(20)]
patch = mock.patch(
"looker_sdk.rtl.requests_transport.RequestsTransport.request",
wraps=transport_requests_mock
)
# Perform a set of operations
op_count = fdp.ConsumeIntInRange(1, 10)
with patch:
for i in range(op_count):
op = fdp.ConsumeIntInRange(1,3)
if op == 1:
try:
query = sdk.create_query(
body=models.WriteQuery(model=m1, view=v1, fields=l1)
)
except looker_sdk.rtl.serialize.DeserializeError:
pass
elif op == 2:
try:
query = sdk.create_query_task(
body = models.WriteCreateQueryTask(
query_id=fdp.ConsumeUnicodeNoSurrogates(10),
source=fdp.ConsumeUnicodeNoSurrogates(10),
results_format=looker_sdk.sdk.api40.ResultFormat.csv
)
)
except looker_sdk.rtl.serialize.DeserializeError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()