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- # Copyright 2013 The Chromium Authors. All rights reserved.
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- """Wrapper around chrome.
- Replaces all the child processes (renderer, GPU, plugins and utility) with the
- IPC fuzzer. The fuzzer will then play back a specified testcase.
- Depends on ipc_fuzzer being available on the same directory as chrome.
- """
- from __future__ import print_function
- import argparse
- import os
- import platform
- import subprocess
- import sys
- CHROME_BINARY_FOR_PLATFORM_DICT = {
- 'LINUX': 'chrome',
- 'MAC': 'Chromium.app/Contents/MacOS/Chromium',
- 'WINDOWS': 'chrome.exe',
- }
- def GetPlatform():
- platform = None
- if sys.platform.startswith('win'):
- platform = 'WINDOWS'
- elif sys.platform.startswith('linux'):
- platform = 'LINUX'
- elif sys.platform == 'darwin':
- platform = 'MAC'
- assert platform is not None
- return platform
- def main():
- desc = 'Wrapper to run chrome with child processes replaced by IPC fuzzers'
- parser = argparse.ArgumentParser(description=desc)
- parser.add_argument(
- '--out-dir',
- dest='out_dir',
- default='out',
- help='output directory under src/ directory')
- parser.add_argument(
- '--build-type',
- dest='build_type',
- default='Release',
- help='Debug vs. Release build')
- parser.add_argument(
- '--gdb-browser',
- dest='gdb_browser',
- default=False,
- action='store_true',
- help='run browser process inside gdb')
- parser.add_argument('testcase', help='IPC file to be replayed')
- parser.add_argument(
- 'chrome_args',
- nargs=argparse.REMAINDER,
- help='any additional arguments are passed to chrome')
- args = parser.parse_args()
- platform = GetPlatform()
- chrome_binary = CHROME_BINARY_FOR_PLATFORM_DICT[platform]
- fuzzer_binary = 'ipc_fuzzer_replay'
- if platform == 'WINDOWS':
- fuzzer_binary += '.exe'
- script_path = os.path.realpath(__file__)
- ipc_fuzzer_dir = os.path.join(os.path.dirname(script_path), os.pardir)
- src_dir = os.path.abspath(os.path.join(ipc_fuzzer_dir, os.pardir, os.pardir))
- out_dir = os.path.join(src_dir, args.out_dir)
- build_dir = os.path.join(out_dir, args.build_type)
- chrome_path = os.path.join(build_dir, chrome_binary)
- if not os.path.exists(chrome_path):
- print('chrome executable not found at ', chrome_path)
- return 1
- fuzzer_path = os.path.join(build_dir, fuzzer_binary)
- if not os.path.exists(fuzzer_path):
- print('fuzzer executable not found at ', fuzzer_path)
- print('ensure GYP_DEFINES="enable_ipc_fuzzer=1" and build target ' +
- fuzzer_binary + '.')
- return 1
- prefixes = {
- '--renderer-cmd-prefix',
- '--plugin-launcher',
- '--ppapi-plugin-launcher',
- '--utility-cmd-prefix',
- }
- chrome_command = [
- chrome_path,
- '--ipc-fuzzer-testcase=' + args.testcase,
- '--no-sandbox',
- '--disable-kill-after-bad-ipc',
- '--disable-mojo-channel',
- ]
- if args.gdb_browser:
- chrome_command = ['gdb', '--args'] + chrome_command
- launchers = {}
- for prefix in prefixes:
- launchers[prefix] = fuzzer_path
- for arg in args.chrome_args:
- if arg.find('=') != -1:
- switch, value = arg.split('=', 1)
- if switch in prefixes:
- launchers[switch] = value + ' ' + launchers[switch]
- continue
- chrome_command.append(arg)
- for switch, value in launchers.items():
- chrome_command.append(switch + '=' + value)
- command_line = ' '.join(['\'' + arg + '\'' for arg in chrome_command])
- print('Executing: ' + command_line)
- return subprocess.call(chrome_command)
- if __name__ == '__main__':
- sys.exit(main())
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