1 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import gobject, hashlib, os 6 from dbus.mainloop.glib import DBusGMainLoop 7 8 from autotest_lib.client.bin import test 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.client.common_lib.cros import chrome, session_manager 11 from autotest_lib.client.cros import constants, cryptohome, ownership 12 13 14 class login_OwnershipNotRetaken(test.test): 15 """Subsequent logins after the owner must not clobber the owner's key.""" 16 version = 2 17 18 _TEST_USER = 'example (at] chromium.org' 19 _TEST_PASS = 'testme' 20 _TEST_GAIAID = '7583' 21 22 23 def initialize(self): 24 super(login_OwnershipNotRetaken, self).initialize() 25 # Start clean, wrt ownership and the desired user. 26 ownership.restart_ui_to_clear_ownership_files() 27 28 bus_loop = DBusGMainLoop(set_as_default=True) 29 self._cryptohome_proxy = cryptohome.CryptohomeProxy(bus_loop) 30 31 32 def run_once(self): 33 listener = session_manager.OwnershipSignalListener(gobject.MainLoop()) 34 listener.listen_for_new_key_and_policy() 35 # Sign in. Sign out happens automatically when cr goes out of scope. 36 with chrome.Chrome(clear_enterprise_policy=False) as cr: 37 listener.wait_for_signals(desc='Owner settings written to disk.') 38 39 key = open(constants.OWNER_KEY_FILE, 'rb') 40 hash = hashlib.md5(key.read()) 41 key.close() 42 mtime = os.stat(constants.OWNER_KEY_FILE).st_mtime 43 44 # Sign in/sign out as a second user. 45 with chrome.Chrome(clear_enterprise_policy=False, 46 username=self._TEST_USER, 47 password=self._TEST_PASS, 48 gaia_id=self._TEST_GAIAID) as cr: 49 pass 50 51 # Checking mtime to see if key file was touched during second sign in. 52 if os.stat(constants.OWNER_KEY_FILE).st_mtime > mtime: 53 raise error.TestFail("Owner key was touched on second login!") 54 55 # Sanity check. 56 key2 = open(constants.OWNER_KEY_FILE, 'rb') 57 hash2 = hashlib.md5(key2.read()) 58 key2.close() 59 if hash.hexdigest() != hash2.hexdigest(): 60 raise error.TestFail("Owner key was touched on second login!") 61 62 63 def cleanup(self): 64 self._cryptohome_proxy.remove(self._TEST_USER) 65 super(login_OwnershipNotRetaken, self).cleanup() 66