/usr/sbin/smbios-rbu-bios-update is in smbios-utils 2.3.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=python:tw=0
#############################################################################
#
# Copyright (c) 2005 Dell Computer Corporation
# Dual Licenced under GNU GPL and OSL
#
#############################################################################
"""smbios-rbu-bios-update"""
from __future__ import generators, division
# import arranged alphabetically
import ctypes
import gettext
import locale
import os
import struct
import sys
import time
import traceback
# the following vars are all substituted on install
# this bin isnt byte-compiled, so this is ok
__VERSION__="2.3.0"
pythondir="/usr/lib/python2.7/dist-packages"
clidir="/usr/share/smbios-utils"
# end vars
# import all local modules after this.
sys.path.insert(0,pythondir)
sys.path.insert(0,clidir)
import cli
from libsmbios_c import system_info as sysinfo, smbios, token, localedir, GETTEXT_PACKAGE
from libsmbios_c.trace_decorator import decorate, traceLog, getLog
locale.setlocale(locale.LC_ALL, '')
gettext.install(GETTEXT_PACKAGE, localedir, unicode=1)
from libsmbios_c.rbu_hdr import *
from libsmbios_c.rbu_update import *
# use python-decoratortools if it is installed, otherwise use our own local
# copy. Imported this locally because it doesnt appear to be available on SUSE
# and the fedora RPM doesnt appear to compile cleanly on SUSE
try:
from peak.util.decorators import decorate_class
except ImportError:
from libsmbios_c._peak_util_decorators import decorate_class
moduleLog = getLog()
verboseLog = getLog(prefix="verbose.")
def command_parse():
parser = cli.OptionParser(usage=__doc__, version=__VERSION__)
parser.add_option('--hdr', '-f', metavar="HDR_FILE", action="store", default=None, help= _("The BIOS update file (.HDR file)"))
parser.add_option('--hdr-info', metavar="HDR_FILE", action="append", default=[], help= _("Show information about a given BIOS HDR file"))
parser.add_option('--system-info', action="store_const", const="system_info", dest="action", default=None, help= _("Show system information and RBU completion codes"))
parser.add_option('--cancel', action="store_const", const="cancel", dest="action", help= _("Cancel pending BIOS update"))
parser.add_option("-u", '--update', action="store_const", const="update", dest="action", help= _("Stage BIOS for update at next reboot"))
parser.add_option('--test', action="store_const", const="test", dest="action", help= _("Test HDR file to see if it is appropriate for this system"))
parser.add_option('--auto-detect-mode', action="store_const", const="auto", dest="update_mode", default="auto", help= _("Automatically select the optimal update mode (default, recommended)"))
parser.add_option('--force-packet-mode', action="store_const", const="packet", dest="update_mode", help= _("Force update to use packet-mode"))
parser.add_option('--force-mono-mode', action="store_const", const="mono", dest="update_mode", help= _("Force update to use monolithic-mode"))
parser.add_option('--force-compat-mode', action="store_const", const="compat", dest="update_mode", help= _("Force update to use old dellBiosUpdate binary"))
parser.add_option('--override-version-check', action="store_false", dest="check_bios_version", default=True, help= _("Allow BIOS downgrades and re-flash"))
parser.add_option('--override-sysid-check', action="store_false", dest="check_sysid", default=True, help= _("Disable check for system-id (Dangerous)"))
parser.add_option('--reboot', action="store_true", dest="reboot", default=None, help= _("Reboot the system after successfully staging update."))
parser.add_option('--no-reboot', action="store_false", dest="reboot", help= _("Do not reboot the system after staging update."))
cli.addStdOptions(parser)
options, args = parser.parse_args()
if len(args) == 1 and options.hdr is None:
options.hdr = args[0]
return options,args
decorate(traceLog())
def _getNum(s, off, len):
retval = 0
try:
t = list(struct.unpack( 'B' * len, s.getData(off, len) ))
t.reverse()
for i in t:
retval = (retval << 8) | i
except IndexError, e:
pass
return retval
decorate(traceLog())
def system_info():
table = smbios.SmbiosTable()
s = table[RBU_SMBIOS_STRUCT]
print _("RBU Update information:")
print _("\tMinimum size: %d") % _getNum(s, 0x04, 2)
print _("\tCompletion Code: %d") % getCompletion(s)[0]
print _("\tCompletion Message: %s") % getCompletion(s)[1]
print _("\tLast Update Date - Year : %02x") % getRbuLastUpdate(s)["year"]
print _("\tLast Update Date - Month : %02x") % getRbuLastUpdate(s)["month"]
print _("\tLast Update Date - Day : %02x") % getRbuLastUpdate(s)["day"]
print _("\tLast Update Date - time : %02x:%02x") % (getRbuLastUpdate(s)["hour"], getRbuLastUpdate(s)["minute"])
print _("\tBoot Feature Flags: 0x%08x") % _getNum(s, 0x0d, 2)
print _("\tCharacteristics: 0x%04x") % _getNum(s, 0x0f, 1)
print _("\tUpdate modes supported: %s") % ", ".join(getUpdateModes(s))
def ensureRbuDriver():
os.system("/sbin/modprobe dell_rbu")
def conditionalReboot(options):
if options.reboot is None:
print _("No reboot option specified. The --reboot option is highly recommended.")
elif options.reboot:
print _("Rebooting system to update the BIOS.")
while 1:
os.system("/sbin/shutdown -r now")
time.sleep(10)
os.system("/usr/bin/reboot")
time.sleep(10)
def main():
exit_code = 0
(options, args) = command_parse()
cli.setup_std_options(options)
try:
if options.hdr_info:
for filename in options.hdr_info:
h = HdrFile(filename)
dumpHdrFileInfo(h)
elif options.action == "system_info":
system_info()
elif options.action == "cancel":
ensureRbuDriver()
#smbios.SmbiosTable() # check permissions
table = token.TokenTable()
print _("Cancelling BIOS update...")
cancelUpdate()
print _("BIOS update cancelled.")
elif options.action == "update":
ensureRbuDriver()
smbios.SmbiosTable() # check permissions
print( _("Performing BIOS update...") )
exit_code = updateBios(HdrFile(options.hdr), options)
print _("Update successfully staged. Reboot the system to begin BIOS update.")
if exit_code == 0:
conditionalReboot(options)
else:
print _("The BIOS update did NOT complete successfully.")
elif options.action == "test":
ensureRbuDriver()
smbios.SmbiosTable() # check permissions
exit_code = updateBios(HdrFile(options.hdr), options, testMode=1)
except IndexError, e:
moduleLog.info( _("RBU Bios Update not supported on this system.") )
exit_code=2
except (smbios.TableParseError, token.TokenTableParseError), e:
exit_code=3
moduleLog.info( _("ERROR: Could not parse system SMBIOS table.") )
verboseLog.info( _("The smbios library returned this error:") )
verboseLog.info( str(e) )
moduleLog.info( cli.standardFailMessage )
except (token.TokenManipulationFailure,), e:
exit_code=4
moduleLog.info( _("ERROR: Could not manipulate system token.") )
verboseLog.info( _("The token library returned this error:") )
verboseLog.info( str(e) )
moduleLog.info( cli.standardFailMessage )
return exit_code
if __name__ == "__main__":
sys.exit( main() )
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