| # 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, os, re, sys, shutil |
| from autotest_lib.client.bin import test, utils |
| |
| class hardware_TPMFirmware(test.test): |
| """ |
| Test of TPM functionality needed in firmware (client side of the test). |
| See also server/site_tests/hardware_TPMFirmwareServer. |
| """ |
| version = 1 |
| preserve_srcdir = True |
| |
| # Cross-compiles TLCL test suite and other needed code. |
| # TODO(semenzato): tpm_takeownership is currently available by making |
| # tpm-tools an RDEPEND in the autotest ebuild. See that file for a |
| # better way. |
| def setup(self): |
| sysroot = os.environ['SYSROOT'] |
| bin_path = os.path.join(sysroot, 'usr/sbin/tpm_takeownership') |
| shutil.copy(bin_path, self.bindir) |
| utils.make('-C %s' % self.srcdir) |
| |
| |
| # Runs a command, logs the output, and returns the exit status. |
| def tpm_run(self, cmd, ignore_status=False): |
| output = utils.run(cmd, ignore_status=ignore_status) |
| logging.info(output) |
| self.job.set_state("client_status", output.exit_status) |
| |
| |
| # Sets up the system (if it isn't already) to run the tpm binaries. This |
| # is mostly needed after a reboot. We don't rely on the system booting in |
| # any particular state. |
| def tpm_setup(self, with_tcsd=False): |
| utils.run('mknod /dev/tpm c 10 224', ignore_status=True) |
| utils.run('mknod /dev/tpm0 c 10 224', ignore_status=True) |
| utils.run('modprobe tpm_tis force=1 interrupts=0', ignore_status=True) |
| |
| if (with_tcsd): |
| utils.run('/usr/sbin/tcsd') |
| else: |
| # It will be a problem if upstart automatically restarts tcsd. |
| utils.run('pkill tcsd', ignore_status=True) |
| |
| |
| def run_once(self, subtest='None'): |
| logging.info("Running TPM firmware client subtest %s", subtest) |
| if (subtest == 'setup'): |
| self.tpm_setup() |
| self.tpm_write_status(0) |
| elif (subtest == 'takeownership'): |
| self.tpm_setup(with_tcsd=True) |
| own_cmd = os.path.join(self.bindir, "tpm_takeownership -y -z") |
| self.tpm_run(own_cmd) |
| else: |
| self.tpm_setup() |
| cmd = os.path.join(self.srcdir, subtest) |
| self.tpm_run(cmd, ignore_status=True) |