mirror of https://github.com/google/oss-fuzz.git
107 lines
2.6 KiB
Python
107 lines
2.6 KiB
Python
#!/usr/bin/python3
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# Copyright 2022 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 atheris
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import sys
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import time
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import socket
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import threading
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import cx_Oracle
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fuzzed_input = b""
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def SetFuzzedInput(input_bytes):
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global fuzzed_input
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fuzzed_input = input_bytes
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class ServerThread(threading.Thread):
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def __init__(self, port):
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self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.s.bind(("127.0.0.1", port))
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self.s.settimeout(0.4)
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self.s.listen(1)
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threading.Thread.__init__(self)
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def run(self):
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global fuzzed_input
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try:
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conn, addr = self.s.accept()
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except socket.timeout:
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return
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conn.recv(1024)
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conn.send(fuzzed_input)
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time.sleep(0.005)
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conn.close()
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self.s.shutdown(1)
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self.s.close()
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time.sleep(0.01)
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@atheris.instrument_func
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def TestInput(data):
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port = None
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for i in range(8009, 8100):
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try:
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t1 = ServerThread(i)
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except OSError:
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# If the address is already in use by another
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continue
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port = i
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break
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if port == None:
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return
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t1.start()
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fdp = atheris.FuzzedDataProvider(data)
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args = dict()
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args['user'] = fdp.ConsumeUnicodeNoSurrogates(64)
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args['password'] = fdp.ConsumeUnicodeNoSurrogates(64)
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args['dsn'] = f"127.0.0.1:{port}"
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if fdp.ConsumeBool():
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args['newpassword'] = fdp.ConsumeUnicodeNoSurrogates(64)
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if fdp.ConsumeBool():
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args['nencoding'] = fdp.ConsumeUnicodeNoSurrogates(64)
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SetFuzzedInput(fdp.ConsumeBytes(400))
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try:
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connection = cx_Oracle.connect(**args)
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except cx_Oracle.DatabaseError:
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connection = None
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pass
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if connection is None:
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t1.join()
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return
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cursor = connection.cursor()
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cursor.execute(fdp.ConsumeUnicodeNoSurrogates(1024))
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t1.join()
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def main():
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atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
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atheris.instrument_all()
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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