blob: 11d28c8367af0f469ccfcff5a9294de12c30ba10 [file] [log] [blame]
# 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
from autotest_lib.client.bin import test, utils
from autotest_lib.client.common_lib import error
def missing_firmware_version():
f = os.popen("crossystem fwid")
if not f:
return True
return False
def dict_from_command(command):
dict = {}
out = os.popen(command)
for linecr in out.readlines():
line = linecr.strip()
match = re.match("([^ ]+) (.*)", line)
k =
v =
dict[k] = v
return dict
def expect(d, key, value):
if (d[key] != value):
raise error.TestError("expecting %s = %s, observing %s = %s" %
(key, value, key, d[key]))
def checkp(space, permission):
c = "tpmc getp %s" % space
out = os.popen(c)
l = out.readline()
if (not re.match(".*%s" % permission, l)):
raise error.TestError("invalid response to %s: %s" % (c, l))
class hardware_TPMCheck(test.test):
version = 1
def run_once(self):
if missing_firmware_version():
logging.warning("no firmware version, skipping test")
utils.system("stop tcsd", ignore_status=True)
# Check volatile (ST_CLEAR) flags
d = dict_from_command("tpmc getvf");
expect(d, "deactivated", "0")
expect(d, "physicalPresence", "0")
expect(d, "physicalPresenceLock", "1")
expect(d, "bGlobalLock", "1")
# Check permanent flags
d = dict_from_command("tpmc getpf");
expect(d, "disable", "0")
expect(d, "ownership", "1")
expect(d, "deactivated", "0")
expect(d, "physicalPresenceHWEnable", "0")
expect(d, "physicalPresenceCMDEnable", "1")
expect(d, "physicalPresenceLifetimeLock", "1")
expect(d, "nvLocked", "1")
# Check space permissions
checkp("0x1007", "0x8001")
checkp("0x1008", "0x1")
# Check kernel space UID
out = os.popen("tpmc read 0x1008 0x5")
l = out.readline()
if (not re.match(".* 4c 57 52 47$", l)):
raise error.TestError("invalid kernel space UID: %s" % l)
utils.system("start tcsd")