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#!/usr/bin/python
# Copyright (c) 2011 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.
"""Helper script to perform actions as a super-user on ChromeOS.
Needs to be run with superuser privileges, typically using the
suid_python binary.
Usage:
sudo python suid_actions.py --action=clean_flimflam
"""
import optparse
import os
import shutil
class SuidAction(object):
"""Helper to perform some super-user actions on ChromeOS."""
def _ParseArgs(self):
parser = optparse.OptionParser()
parser.add_option(
'-a', '--action', help='Action to perform.')
self._options = parser.parse_args()[0]
if not self._options.action:
raise RuntimeError('No action specified.')
def Run(self):
self._ParseArgs()
assert os.geteuid() == 0, 'Needs superuser privileges.'
handler = getattr(self, self._options.action)
assert handler and callable(handler), \
'No handler for %s' % self._options.action
handler()
## Actions ##
def CleanFlimflamDir(self):
"""Clean the contents of /home/chronos/user/flimflam."""
flimflam_dir = '/home/chronos/user/flimflam'
if not os.path.exists(flimflam_dir):
return
for item in os.listdir(flimflam_dir):
path = os.path.join(flimflam_dir, item)
if os.path.isdir(path):
shutil.rmtree(path)
else:
os.remove(path)
if __name__ == '__main__':
suid_action = SuidAction()
suid_action.Run()
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