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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2014 The Chromium Authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 """Generational ClusterFuzz fuzzer. It generates IPC messages using | |
| 7 GenerateTraits. Support of GenerateTraits for different types will be gradually | |
| 8 added. | |
| 9 """ | |
| 10 | |
| 11 import os | |
| 12 import random | |
| 13 import subprocess | |
| 14 import sys | |
| 15 import utils | |
| 16 | |
| 17 FUZZER_NAME_OPTION = '--fuzzer-name=generate' | |
| 18 MAX_IPC_MESSAGES_PER_TESTCASE = 1500 | |
| 19 | |
| 20 | |
| 21 class GenerationalFuzzer: | |
| 22 def parse_arguments(self): | |
| 23 self.args = utils.parse_arguments() | |
| 24 | |
| 25 def set_application_paths(self): | |
| 26 chrome_application_path = utils.get_application_path() | |
| 27 chrome_application_directory = os.path.dirname(chrome_application_path) | |
| 28 self.ipc_fuzzer_binary = utils.get_fuzzer_application_name() | |
| 29 self.ipc_replay_binary = utils.get_replay_application_name() | |
| 30 self.ipc_fuzzer_binary_path = os.path.join( | |
| 31 chrome_application_directory, self.ipc_fuzzer_binary) | |
| 32 self.ipc_replay_binary_path = os.path.join( | |
| 33 chrome_application_directory, self.ipc_replay_binary) | |
| 34 | |
| 35 def generate_ipcdump_testcase(self): | |
| 36 ipcdump_testcase_path = ( | |
| 37 utils.random_ipcdump_testcase_path(self.args.output_dir)) | |
| 38 num_ipc_messages = random.randint(1, MAX_IPC_MESSAGES_PER_TESTCASE) | |
| 39 count_option = '--count=%d' % num_ipc_messages | |
| 40 | |
| 41 cmd = [ | |
| 42 self.ipc_fuzzer_binary_path, | |
| 43 FUZZER_NAME_OPTION, | |
| 44 count_option, | |
| 45 ipcdump_testcase_path, | |
| 46 ] | |
| 47 | |
| 48 if subprocess.call(cmd): | |
| 49 sys.exit('%s failed.' % self.ipc_fuzzer_binary) | |
| 50 | |
| 51 utils.create_flags_file(ipcdump_testcase_path, self.ipc_replay_binary_path) | |
| 52 | |
| 53 def main(self): | |
| 54 self.parse_arguments() | |
| 55 self.set_application_paths() | |
| 56 for _ in xrange(self.args.no_of_files): | |
| 57 self.generate_ipcdump_testcase() | |
| 58 | |
| 59 return 0 | |
| 60 | |
| 61 if __name__ == "__main__": | |
| 62 fuzzer = GenerationalFuzzer() | |
| 63 sys.exit(fuzzer.main()) | |
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Chromium Code Reviews
Issue 1025483002:
Restructure the ipc_fuzzer directory. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master