mirror of https://github.com/google/oss-fuzz.git
97 lines
2.2 KiB
Python
97 lines
2.2 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.
|
|
|
|
import sys
|
|
import atheris
|
|
import threading
|
|
import socket
|
|
import time
|
|
|
|
import configparser
|
|
import pymysql
|
|
from pymysql import connections
|
|
|
|
|
|
fuzzed_input = b""
|
|
|
|
# somehow ugly as fuzzing cannot be run in parallel
|
|
def SetFuzzedInput(input_bytes):
|
|
global fuzzed_input
|
|
fuzzed_input = input_bytes
|
|
|
|
class ServerThread(threading.Thread):
|
|
def __init__(self):
|
|
self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
self.s.bind(("127.0.0.1", 8001))
|
|
self.s.listen(1)
|
|
|
|
threading.Thread.__init__(self)
|
|
|
|
def run(self):
|
|
global fuzzed_input
|
|
conn, addr = self.s.accept()
|
|
conn.settimeout(0.3)
|
|
try:
|
|
conn.recv(1024)
|
|
except:
|
|
pass
|
|
conn.send(fuzzed_input)
|
|
time.sleep(0.005)
|
|
conn.close()
|
|
self.s.shutdown(1)
|
|
self.s.close()
|
|
time.sleep(0.01)
|
|
|
|
|
|
def TestOneInput(data):
|
|
fdp = atheris.FuzzedDataProvider(data)
|
|
local_config_file = "/tmp/my.cnf"
|
|
with open(local_config_file, "w") as cfg:
|
|
cfg.write(fdp.ConsumeUnicodeNoSurrogates(1024))
|
|
|
|
# Catch config parser errors
|
|
try:
|
|
c = connections.Connection(
|
|
db=None,
|
|
read_default_file=local_config_file,
|
|
ssl_disabled=True,
|
|
defer_connect=True
|
|
)
|
|
except configparser.Error:
|
|
return
|
|
c.port = 8001
|
|
c.host = "127.0.0.1"
|
|
|
|
SetFuzzedInput(fdp.ConsumeBytes(512))
|
|
t1 = ServerThread()
|
|
t1.start()
|
|
|
|
try:
|
|
c.connect(sock=None)
|
|
except pymysql.err.MySQLError:
|
|
pass
|
|
t1.join()
|
|
|
|
|
|
def main():
|
|
atheris.instrument_all()
|
|
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
|
|
atheris.Fuzz()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|