1 # Copyright (c) 2010 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 logging 6 from autotest_lib.client.common_lib.cros import tpm_utils 7 from autotest_lib.server import test, autotest 8 9 class platform_CryptohomeTPMReOwnServer(test.test): 10 """ 11 The server-side controller for verifying that cryptohome can re-create a 12 user's vault if the TPM is cleared and re-owned. 13 """ 14 version = 1 15 n_client_reboots = 0 16 client_at = None 17 18 # Run the client subtest named [subtest]. 19 def tpm_run(self, subtest, ignore_status=False): 20 self.client_at.run_test(self.client_test, 21 subtest=subtest, 22 check_client_result=(not ignore_status)) 23 24 25 def reboot_client(self): 26 # Reboot the client 27 logging.info('CryptohomeTPMReOwnServer: rebooting %s number %d', 28 self.client.hostname, self.n_client_reboots) 29 self.client.reboot() 30 self.n_client_reboots += 1 31 32 33 def run_once(self, host=None): 34 self.client = host 35 self.client_at = autotest.Autotest(self.client) 36 self.client_test = 'platform_CryptohomeTPMReOwn' 37 38 # Set up the client in the unowned state and init the TPM again. 39 tpm_utils.ClearTPMOwnerRequest(self.client) 40 self.tpm_run("take_tpm_ownership", ignore_status=True) 41 42 self.tpm_run("mount_cryptohome") 43 44 self.reboot_client() 45 self.tpm_run("mount_cryptohome_after_reboot") 46 47 # Clear and re-own the TPM on the next boot. 48 tpm_utils.ClearTPMOwnerRequest(self.client) 49 self.tpm_run("take_tpm_ownership", ignore_status=True) 50 51 self.tpm_run("mount_cryptohome_check_recreate") 52
