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      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 import os
      7 import shutil
      8 import sys
      9 from autotest_lib.server import test, autotest
     10 from autotest_lib.client.bin import utils
     11 from autotest_lib.client.common_lib import error
     12 
     13 class platform_CryptohomeTPMReOwnServer(test.test):
     14     """
     15     The server-side controller for verifying that cryptohome can re-create a
     16     user's vault if the TPM is cleared and re-owned.
     17     """
     18     version = 1
     19     n_client_reboots = 0
     20     client_at = None
     21 
     22     # Run the client subtest named [subtest].
     23     def tpm_run(self, subtest, ignore_status=False):
     24         self.client_at.run_test(self.client_test, subtest=subtest)
     25         cstatus = self.job.get_state("client_status")
     26         logging.info("server: client status = %s", cstatus)
     27         self.job.set_state("client_status", None)
     28         if not ignore_status and cstatus != 'Success':
     29             error.TestFail("client subtest %s failed with status %s" %
     30                            (subtest, cstatus))
     31         return cstatus
     32 
     33 
     34     def reboot_client(self):
     35         # Reboot the client
     36         logging.info('CryptohomeTPMReOwnServer: rebooting %s number %d' %
     37                      (self.client.hostname, self.n_client_reboots))
     38         self.client.reboot()
     39         self.n_client_reboots += 1
     40 
     41 
     42     def run_once(self, host=None):
     43         self.client = host
     44         self.client_at = autotest.Autotest(self.client)
     45         self.client_test = 'platform_CryptohomeTPMReOwn'
     46 
     47         self.job.set_state("client_status", None)
     48 
     49         # Set up the client in the unowned state.
     50         self.reboot_client()
     51         self.tpm_run("clear_tpm", ignore_status=True)
     52 
     53         self.reboot_client()
     54         self.tpm_run("enable_tpm", ignore_status=True)
     55 
     56         self.reboot_client()
     57         self.tpm_run("mount_cryptohome")
     58 
     59         self.reboot_client()
     60         self.tpm_run("mount_cryptohome_after_reboot")
     61 
     62         self.reboot_client()
     63         self.tpm_run("clear_tpm", ignore_status=True)
     64 
     65         self.reboot_client()
     66         self.tpm_run("enable_tpm", ignore_status=True)
     67 
     68         self.reboot_client()
     69         self.tpm_run("mount_cryptohome_check_recreate")
     70