mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
BrentHoltsclaw
514c23d84d
Fixup files that relied on CHIPSET_ID_XXX logic Modify files for functions moved within cs class Signed-off-by: BrentHoltsclaw <brent.holtsclaw@intel.com>
72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
#CHIPSEC: Platform Security Assessment Framework
|
|
#Copyright (c) 2010-2020, Intel Corporation
|
|
#
|
|
#This program is free software; you can redistribute it and/or
|
|
#modify it under the terms of the GNU General Public License
|
|
#as published by the Free Software Foundation; Version 2.
|
|
#
|
|
#This program is distributed in the hope that it will be useful,
|
|
#but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
#GNU General Public License for more details.
|
|
#
|
|
#You should have received a copy of the GNU General Public License
|
|
#along with this program; if not, write to the Free Software
|
|
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
#Contact information:
|
|
#chipsec@intel.com
|
|
#
|
|
|
|
|
|
|
|
"""
|
|
Checks for BIOS Interface Lock including Top Swap Mode
|
|
|
|
`BIOS Boot Hijacking and VMware Vulnerabilities Digging <http://powerofcommunity.net/poc2007/sunbing.pdf>`_ by Bing Sun
|
|
"""
|
|
|
|
from chipsec.module_common import BaseModule, ModuleResult, MTAG_BIOS
|
|
TAGS = [MTAG_BIOS]
|
|
|
|
class bios_ts(BaseModule):
|
|
def __init__(self):
|
|
BaseModule.__init__(self)
|
|
|
|
def is_supported(self):
|
|
return True
|
|
|
|
def check_bios_iface_lock(self):
|
|
self.logger.start_test( "BIOS Interface Lock (including Top Swap Mode)" )
|
|
|
|
bild = 0
|
|
if self.cs.is_control_defined( 'BiosInterfaceLockDown' ):
|
|
bild = self.cs.get_control( 'BiosInterfaceLockDown' )
|
|
self.logger.log( "[*] BiosInterfaceLockDown (BILD) control = {:d}".format(bild) )
|
|
else:
|
|
self.logger.error( "BiosInterfaceLockDown (BILD) control is not defined" )
|
|
return ModuleResult.ERROR
|
|
|
|
if self.cs.is_control_defined( 'TopSwapStatus' ):
|
|
tss = self.cs.get_control( 'TopSwapStatus' )
|
|
self.logger.log( "[*] BIOS Top Swap mode is {} (TSS = {:d})".format('enabled' if (1==tss) else 'disabled', tss) )
|
|
|
|
if self.cs.is_control_defined( 'TopSwap' ):
|
|
ts = self.cs.get_control( 'TopSwap' )
|
|
self.logger.log( "[*] RTC TopSwap control (TS) = {:x}".format(ts) )
|
|
|
|
if 0 == bild:
|
|
res = ModuleResult.FAILED
|
|
self.logger.log_failed_check( "BIOS Interface is not locked (including Top Swap Mode)" )
|
|
else:
|
|
res = ModuleResult.PASSED
|
|
self.logger.log_passed_check( "BIOS Interface is locked (including Top Swap Mode)" )
|
|
return res
|
|
|
|
# --------------------------------------------------------------------------
|
|
# run( module_argv )
|
|
# Required function: run here all tests from this module
|
|
# --------------------------------------------------------------------------
|
|
def run(self, module_argv ):
|
|
return self.check_bios_iface_lock()
|