| # Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| from autotest_lib.client.common_lib.cros import tpm_utils |
| from autotest_lib.server import test, autotest |
| |
| class platform_CryptohomeTPMReOwnServer(test.test): |
| """ |
| The server-side controller for verifying that cryptohome can re-create a |
| user's vault if the TPM is cleared and re-owned. |
| """ |
| version = 1 |
| n_client_reboots = 0 |
| client_at = None |
| |
| # Run the client subtest named [subtest]. |
| def tpm_run(self, subtest, ignore_status=False): |
| self.client_at.run_test(self.client_test, |
| subtest=subtest, |
| check_client_result=(not ignore_status)) |
| |
| |
| def reboot_client(self): |
| # Reboot the client |
| logging.info('CryptohomeTPMReOwnServer: rebooting %s number %d', |
| self.client.hostname, self.n_client_reboots) |
| self.client.reboot() |
| self.n_client_reboots += 1 |
| |
| |
| def run_once(self, host=None): |
| self.client = host |
| self.client_at = autotest.Autotest(self.client) |
| self.client_test = 'platform_CryptohomeTPMReOwn' |
| |
| # Set up the client in the unowned state and init the TPM again. |
| tpm_utils.ClearTPMOwnerRequest(self.client) |
| self.tpm_run("take_tpm_ownership", ignore_status=True) |
| |
| self.tpm_run("mount_cryptohome") |
| |
| self.reboot_client() |
| self.tpm_run("mount_cryptohome_after_reboot") |
| |
| # Clear and re-own the TPM on the next boot. |
| tpm_utils.ClearTPMOwnerRequest(self.client) |
| self.tpm_run("take_tpm_ownership", ignore_status=True) |
| |
| self.tpm_run("mount_cryptohome_check_recreate") |
