/usr/sbin/smbios-rbu-bios-update is in smbios-utils 2.2.28-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | #! /usr/bin/python
# 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__="2.2.28"
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() )
|