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functions.sh
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#!/bin/bash
#
#misc globals
usb_devs=""
num_usb_devs=0
usb_device=""
isChromeOS=true
isChromiumOS=false
isCloudready=false
flashromcmd=""
cbfstoolcmd=""
gbbutilitycmd=""
preferUSB=false
useHeadless=false
addPXE=false
pxeDefault=false
isHswBox=false
isBdwBox=false
isHswBook=false
isBdwBook=false
isBaytrail=false
isBraswell=false
isSkylake=false
isSnbIvb=false
isApl=false
isKbl=false
isUnsupported=false
firmwareType=""
isStock=true
isFullRom=false
isBootStub=false
hasRwLegacy=false
unlockMenu=false
hasUEFIoption=false
hasLegacyOption=false
hasShellball=false
wpEnabled=false
hasLAN=false
hsw_boxes=('<mccloud>' '<panther>' '<tricky>' '<zako>');
hsw_books=('<falco>' '<leon>' '<monroe>' '<peppy>' '<wolf>');
bdw_boxes=('<guado>' '<rikku>' '<tidus>');
bdw_books=('<auron_paine>' '<auron_yuna>' '<buddy>' '<gandof>' '<lulu>' '<samus>');
baytrail=('<banjo>' '<candy>' '<clapper>' '<enguarde>' '<glimmer>' '<gnawty>' '<heli>' '<kip>' '<ninja>' '<orco>' '<quawks>' '<squawks>' '<sumo>' '<swanky>' '<winky>');
braswell=('<banon>' '<celes>' '<cyan>' '<edgar>' '<kefka>' '<reks>' '<relm>' '<setzer>' '<terra>' '<ultima>' '<wizpig>');
skylake=('<asuka>' '<caroline>' '<cave>' '<chell>' '<lars>' '<lili>' '<sentry>');
snb_ivb=('<butterfly>' '<link>' '<lumpy>' '<parrot>' '<stout>' '<stumpy>')
apl=('<astronaut>' '<coral>' '<electro>' '<lava>' '<nasher>' '<pyro>' '<reef>' '<robo>' '<sand>' '<santa>' '<snappy>')
kbl_boxes=('<bleemo>''<fizz>' '<kench>' '<sion>' '<teemo>' '<wukong>')
kbl=($(printf "%s " "${kbl_boxes[@]}") '<eve>' '<nautilus>' '<soraka>')
LegacyROMs=($(printf "%s " "${hsw_boxes[@]}" "${bdw_boxes[@]}" "stumpy"));
UEFI_ROMS=($(printf "%s " "${hsw_boxes[@]}" "${hsw_books[@]}" "${bdw_boxes[@]}" "${bdw_books[@]}" "${baytrail[@]}" "${snb_ivb[@]}" "${braswell[@]}" "${skylake[@]}" "${kbl_boxes[@]}"));
shellballs=($(printf "%s " "${hsw_boxes[@]}" "${hsw_books[@]}" "${bdw_boxes[@]}" "${bdw_books[@]}" "${baytrail[@]}" "${snb_ivb[@]}" "${braswell[@]}" "${skylake[@]}"));
#menu text output
NORMAL=$(echo "\033[m")
MENU=$(echo "\033[36m") #Blue
NUMBER=$(echo "\033[33m") #yellow
FGRED=$(echo "\033[41m")
RED_TEXT=$(echo "\033[31m")
GRAY_TEXT=$(echo "\033[1;30m")
GREEN_TEXT=$(echo "\033[1;32m")
ENTER_LINE=$(echo "\033[33m")
function echo_red()
{
echo -e "\E[0;31m$1"
echo -e '\e[0m'
}
function echo_green()
{
echo -e "\E[0;32m$1"
echo -e '\e[0m'
}
function echo_yellow()
{
echo -e "\E[1;33m$1"
echo -e '\e[0m'
}
function exit_red()
{
echo_red "$@"
read -p "Press [Enter] to return to the main menu."
}
function die()
{
echo_red "$@"
exit 1
}
####################
# list USB devices #
####################
function list_usb_devices()
{
#list available drives, excluding internal storage and root/boot device
if [[ -b /dev/mmcblk0 ]]; then
intStor="/dev/mmcblk0"
elif [[ -b /dev/nvme0n1 ]]; then
intstor="/dev/nvme0n1"
else intStor="/dev/sda"
fi
rootdev=${intStor}
if [ "$(which rootdev)" ]; then
rootdev=$(rootdev -d -s)
fi
eval usb_devs="($(fdisk -l 2> /dev/null | grep -v "Disk ${intStor}" | grep -v "Disk $rootdev" | grep 'Disk /dev/sd' | awk -F"/dev/sd|:" '{print $2}'))"
#ensure at least 1 drive available
[ "$usb_devs" != "" ] || return 1
echo -e "\nDevices available:\n"
num_usb_devs=0
for dev in "${usb_devs[@]}"
do
let "num_usb_devs+=1"
vendor=$(udevadm info --query=all --name=sd${dev} | grep -E "ID_VENDOR=" | awk -F"=" '{print $2}')
model=$(udevadm info --query=all --name=sd${dev} | grep -E "ID_MODEL=" | awk -F"=" '{print $2}')
sz=$(fdisk -l 2> /dev/null | grep "Disk /dev/sd${dev}" | awk '{print $3}')
echo -n "$num_usb_devs)"
if [ -n "${vendor}" ]; then
echo -n " ${vendor}"
fi
if [ -n "${model}" ]; then
echo -n " ${model}"
fi
echo -e " (${sz} GB)"
done
echo -e ""
return 0
}
################
# Get cbfstool #
################
function get_cbfstool()
{
if [ ! -f ${cbfstoolcmd} ]; then
working_dir=$(pwd)
if [[ "$isChromeOS" = false && "$isChromiumOS" = false ]]; then
cd /tmp
else
#have to use partition 12 (27 for cloudready) on rootdev due to noexec restrictions
rootdev=$(rootdev -d -s)
[[ "$isCloudready" = true ]] && part_num="27" || part_num="12"
[[ "${rootdev}" =~ "mmcblk" || "${rootdev}" =~ "nvme" ]] && part_num="p${part_num}"
boot_mounted=$(mount | grep "${rootdev}""${part_num}")
if [ "${boot_mounted}" = "" ]; then
#mount boot
mkdir /tmp/boot >/dev/null 2>&1
mount "$(rootdev -d -s)""${part_num}" /tmp/boot
if [ $? -ne 0 ]; then
echo_red "Error mounting boot partition; cannot proceed."
return 1
fi
fi
#create util dir
mkdir /tmp/boot/util 2>/dev/null
cd /tmp/boot/util
fi
#echo_yellow "Downloading cbfstool utility"
curl -sLO "${util_source}"/cbfstool.tar.gz
if [ $? -ne 0 ]; then
echo_red "Error downloading cbfstool; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
tar -zxf cbfstool.tar.gz --no-same-owner
if [ $? -ne 0 ]; then
echo_red "Error extracting cbfstool; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
#set +x
chmod +x cbfstool
#restore working dir
cd ${working_dir}
fi
return 0
}
################
# Get flashrom #
################
function get_flashrom()
{
if [ ! -f ${flashromcmd} ]; then
working_dir=`pwd`
cd /tmp
curl -sLO "${util_source}"/flashrom.tar.gz
if [ $? -ne 0 ]; then
echo_red "Error downloading flashrom; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
tar -zxf flashrom.tar.gz
if [ $? -ne 0 ]; then
echo_red "Error extracting flashrom; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
#set +x
chmod +x flashrom
#restore working dir
cd ${working_dir}
fi
return 0
}
###################
# Get gbb_utility #
###################
function get_gbb_utility()
{
if [ ! -f ${gbbutilitycmd} ]; then
working_dir=`pwd`
cd /tmp
curl -sLO "${util_source}"/gbb_utility.tar.gz
if [ $? -ne 0 ]; then
echo_red "Error downloading gbb_utility; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
tar -zxf gbb_utility.tar.gz
if [ $? -ne 0 ]; then
echo_red "Error extracting gbb_utility; cannot proceed."
#restore working dir
cd ${working_dir}
return 1
fi
#set +x
chmod +x gbb_utility
#restore working dir
cd ${working_dir}
fi
return 0
}
################
# Prelim Setup #
################
function prelim_setup()
{
# Must run as root
[ "$(whoami)" = "root" ] || die "You need to run this script as root; use 'sudo bash <script name>'"
#must be x86_64
[ "$(uname -m)" = 'x86_64' ] || die "This script only supports 64-bit OS on Intel-based devices; ARM devices are not supported."
#check for required tools
which dmidecode > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo_red "Required package 'dmidecode' not found; cannot continue. Please install and try again."
return 1
fi
which tar > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo_red "Required package 'tar' not found; cannot continue. Please install and try again."
return 1
fi
which md5sum > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo_red "Required package 'md5sum' not found; cannot continue. Please install and try again."
return 1
fi
#get device name
device=$(dmidecode -s system-product-name | tr '[:upper:]' '[:lower:]' | sed 's/ /_/g' | awk 'NR==1{print $1}')
if [[ $? -ne 0 || "${device}" = "" ]]; then
echo_red "Unable to determine Chromebox/book model; cannot continue."
echo_red "It's likely you are using an unsupported ARM-based ChromeOS device,\nonly Intel-based devices are supported at this time."
return 1
fi
#check if running under ChromeOS / ChromiumOS
if [ -f /etc/lsb-release ]; then
cat /etc/lsb-release | grep "Chrome OS" > /dev/null 2>&1
if [ $? -ne 0 ]; then
isChromeOS=false
fi
cat /etc/lsb-release | grep "neverware" > /dev/null 2>&1
if [ $? -eq 0 ]; then
isCloudready=true
fi
cat /etc/lsb-release | grep "Chromium OS" > /dev/null 2>&1
if [ $? -eq 0 ]; then
isChromiumOS=true
fi
else
isChromeOS=false
isChromiumOS=false
fi
if [[ "$isChromeOS" = true || "$isChromiumOS" = true ]]; then
#disable power mgmt
initctl stop powerd > /dev/null 2>&1
#set cmds
flashromcmd=/usr/sbin/flashrom
cbfstoolcmd=/tmp/boot/util/cbfstool
gbbutilitycmd=$(which gbb_utility)
else
#set cmds
flashromcmd=/tmp/flashrom
cbfstoolcmd=/tmp/cbfstool
gbbutilitycmd=/tmp/gbb_utility
fi
#start with a known good state
cleanup
#get required tools
get_flashrom
if [ $? -ne 0 ]; then
echo_red "Unable to download flashrom utility; cannot continue"
return 1
fi
get_cbfstool
if [ $? -ne 0 ]; then
echo_red "Unable to download cbfstool utility; cannot continue"
return 1
fi
get_gbb_utility
if [ $? -ne 0 ]; then
echo_red "Unable to download gbb_utility utility; cannot continue"
return 1
fi
#get full device info
if [[ "$isChromeOS" = true ]]; then
_hwid=$(crossystem hwid | sed 's/ /_/g')
boardName=$(crossystem hwid | awk 'NR==1{print $1}')
else
_hwid=${device^^}
boardName=${device^^}
fi
case "${_hwid}" in
ACER_ZGB*) _x='PNV|Acer AC700 Chromebook' ;;
ASTRONAUT*) _x='APL|Acer Chromebook 11 (C732*)' ;;
ASUKA*) _x='SKL|Dell Chromebook 13 (3380)' ;;
AURON_PAINE*) _x='BDW|Acer Chromebook 11 (C740)' ;;
AURON_YUNA*) _x='BDW|Acer Chromebook 15 (CB5-571, C910)' ;;
BANJO*) _x='BYT|Acer Chromebook 15 (CB3-531)' ;;
BANON*) _x='BSW|Acer Chromebook 15 (CB3-532)' ;;
BLEEMO*) _x='KBL|UNK Fizz-based Chromebox' ;;
BUDDY*) _x='BDW|Acer Chromebase 24' ;;
BUTTERFLY*) _x='SNB|HP Pavilion Chromebook 14' ;;
CANDY*) _x='BYT|Dell Chromebook 11' ;;
CAROLINE*) _x='SKL|Samsung Chromebook Pro' ;;
CAVE*) _x='SKL|ASUS Chromebook Flip C302' ;;
CELES*) _x='BSW|Samsung Chromebook 3' ;;
CHELL*) _x='SKL|HP Chromebook 13 G1' ;;
CLAPPER*) _x='BYT|Lenovo N20/N20P Chromebook' ;;
CYAN*) _x='BSW|Acer Chromebook R11 (C738T)' ;;
EDGAR*) _x='BSW|Acer Chromebook 14 (CB3-431)' ;;
ENGUARDE_???-???-??A*) _x='BYT|CTL N6 Education Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??B*) _x='BYT|M&A Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??C*) _x='BYT|Senkatel C1101 Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??D*) _x='BYT|Edxis Education Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??E*) _x='BYT|Lenovo N21 Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??F*) _x='BYT|RGS Education Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??G*) _x='BYT|Crambo Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??H*) _x='BYT|True IDC Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??I*) _x='BYT|Videonet Chromebook' ; device="enguarde";;
ENGUARDE_???-???-??J*) _x='BYT|eduGear Chromebook R' ; device="enguarde";;
ENGUARDE_???-???-??K*) _x='BYT|ASI Chromebook' ; device="enguarde";;
ENGUARDE*) _x='BYT|(multiple device matches)' ;;
EVE*) _x='KBL|Google Pixelbook' ;;
FALCO*) _x='HSW|HP Chromebook 14' ;;
FIZZ) _x='KBL|TBD KBL Chromebox' ;;
GANDOF*) _x='BDW|Toshiba Chromebook 2 (2015) CB30/CB35' ;;
GLIMMER*) _x='BYT|Lenovo ThinkPad 11e/Yoga Chromebook' ;;
GNAWTY*) _x='BYT|Acer Chromebook 11 (CB3-111/131,C730/C730E/C735)' ;;
GUADO*) _x='BDW|ASUS Chromebox 2 / CN62' ;;
HELI*) _x='BYT|Haier Chromebook G2' ;;
IEC_MARIO) _x='PNV|Google Cr-48' ;;
KEFKA*) _x='BSW|Dell Chromebook 11 (3180,3189)' ;;
KENCH*) _x='KBL|HP Chromebox G2' ; device="fizz";;
KIP*) _x='BYT|HP Chromebook 11 G3/G4, 14 G4' ;;
LARS*) _x='SKL|Acer Chromebook 14 for Work' ;;
LAVA*) _x='APL|Acer Chromebook Spin 11 CP311' ;;
LEON*) _x='HSW|Toshiba CB30/CB35 Chromebook' ;;
LILI*) _x='SKL|Acer Chromebook 11 (C771, C771T)' ;;
LINK*) _x='IVB|Google Chromebook Pixel 2013' ;;
LULU*) _x='BDW|Dell Chromebook 13 (7310)' ;;
LUMPY*) _x='SNB|Samsung Chromebook Series 5 550' ;;
MCCLOUD*) _x='HSW|Acer Chromebox CXI' ;;
MONROE*) _x='HSW|LG Chromebase' ;;
NAUTILUS*) _x='KBL|Samsung Chromebook Plus V2' ;;
NASHER360*) _x='APL|Dell Chromebook 11 2-in-1 5190' ; device="nasher";;
NASHER*) _x='APL|Dell Chromebook 11 5190' ;;
NINJA*) _x='BYT|AOpen Chromebox Commercial' ;;
ORCO*) _x='BYT|Lenovo Ideapad 100S Chromebook' ;;
PAINE*) _x='BDW|Acer Chromebook 11 (C740)' ;;
PANTHER*) _x='HSW|ASUS Chromebox CN60' ;;
PARROT*) _x='SNB|Acer C7/C710 Chromebook' ;;
PEPPY*) _x='HSW|Acer C720/C720P Chromebook' ;;
PYRO*) _x='APL|Lenovo Thinkpad 11e/Yoga Chromebook (G4)' ;;
QUAWKS*) _x='BYT|ASUS Chromebook C300' ;;
REEF_???-C*) _x='APL|ASUS Chromebook C213NA' ; device="reef";;
REEF*) _x='APL|Acer Chromebook Spin 11 (R751T)' ; device="reef";;
REKS_???-???-???-B*) _x='BSW|2016|Lenovo N42 Chromebook' ; device="reks";;
REKS_???-???-???-C*) _x='BSW|2017|Lenovo N23 Chromebook (Touch)' device="reks";;
REKS_???-???-???-D*) _x='BSW|2017|Lenovo N23 Chromebook' device="reks";;
REKS_???-???-???-*) _x='BSW|2016|Lenovo N22 Chromebook' device="reks";;
REKS*) _x='BSW|2016|(unknown REKS)' ;;
RELM_???-B*) _x='BSW|CTL NL61 Chromebook' ; device="relm";;
RELM_???-C*) _x='BSW|Edxis Education Chromebook' ; device="relm";;
RELM_???-F*) _x='BSW|Mecer V2 Chromebook' ; device="relm";;
RELM_???-G*) _x='BSW|HP Chromebook 11 G5 EE' ; device="relm";;
RELM_???-H*) _x='BSW|Acer Chromebook 11 N7 (C731)' ; device="relm";;
RELM_???-Z*) _x='BSW|Quanta OEM Chromebook' ; device="relm";;
RELM*) _x='BSW|(unknown RELM)' ; device="relm";;
RIKKU*) _x='BDW|Acer Chromebox CXI2' ;;
ROBO360*) _x='APL|Lenovo 500e Chromebook' ; device="robo";;
ROBO*) _x='APL|Lenovo 100e Chromebook' ;;
SAMS_ALEX*) _x='PNV|Samsung Chromebook Series 5' ;;
SAMUS*) _x='BDW|Google Chromebook Pixel 2015' ;;
SAND*) _x='APL|Acer Chromebook 15 (CB515-1HT)' ;;
SANTA*) _x='APL|Acer Chromebook 11 (CB311-8H)' ;;
SENTRY*) _x='SKL|Lenovo Thinkpad 13 Chromebook' ;;
SETZER*) _x='BSW|HP Chromebook 11 G5' ;;
SION*) _x='KBL|Acer Chromebox CXI3' ; device="fizz";;
SNAPPY_???-A*) _x='APL|HP Chromebook x360 11 G1 EE' ; device="snappy";;
SNAPPY_???-B*) _x='APL|HP Chromebook 11 G6 EE' device="snappy";;
SNAPPY_???-C*) _x='APL|HP Chromebook 14 G5' device="snappy";;
SNAPPY*) _x='APL|(unknown SNAPPY)' device="snappy";;
SORAKA*) _x='KBL|HP Chromebook x2' ;;
SQUAWKS*) _x='BYT|ASUS Chromebook C200' ;;
STOUT*) _x='IVB|Lenovo Thinkpad X131e Chromebook' ;;
STUMPY*) _x='SNB|Samsung Chromebox Series 3' ;;
SUMO*) _x='BYT|AOpen Chromebase Commercial' ;;
SWANKY*) _x='BYT|Toshiba Chromebook 2 (2014) CB30/CB35' ;;
TEEMO*) _x='KBL|Asus Chromebox 3 / CN65' ; device="fizz";;
TERRA_???-???-???-A*) _x='BSW|ASUS Chromebook C202SA' ; device="terra";;
TERRA_???-???-???-B*) _x='BSW|ASUS Chromebook C300SA/C301SA' ; device="terra";;
TERRA*) _x='BSW|ASUS Chromebook C202SA, C300SA/C301SA' ; device="terra";;
TIDUS*) _x='BDW|Lenovo ThinkCentre Chromebox' ;;
TRICKY*) _x='HSW|Dell Chromebox 3010' ;;
ULTIMA*) _x='BSW|Lenovo ThinkPad 11e/Yoga Chromebook (G3)' ;;
WINKY*) _x='BYT|Samsung Chromebook 2 (XE500C12)' ;;
WIZPIG_???-???-??A*) _x='BSW|CTL Chromebook J5' ;;
WIZPIG_???-???-??B*) _x='BSW|Edugear CMT Chromebook' ;;
WIZPIG_???-???-??C*) _x='BSW|Haier Convertible Chromebook 11 C' ;;
WIZPIG_???-???-??D*) _x='BSW|Viglen Chromebook 360' ;;
WIZPIG_???-???-??G*) _x='BSW|Prowise ProLine Chromebook' ;;
WIZPIG_???-???-??H*) _x='BSW|PCMerge Chromebook PCM-116T-432B' ;;
WIZPIG_???-???-??I*) _x='BSW|Multilaser M11C Chromebook' ;;
WIZPIG*) _x='BSW|(unknown WIZPIG)' ;;
WOLF*) _x='HSW|Dell Chromebook 11' ;;
WUKONG_???-???-???-??C*) _x='KBL|ViewSonic NMP660 Chromebox' ; device="fizz";;
WUKONG*) _x='KBL|CTL Chromebox CBx1' ; device="fizz";;
YUNA*) _x='BDW|Acer Chromebook 15 (CB5-571, C910)' ; device="auron_yuna";;
ZAKO*) _x='HSW|HP Chromebox CB1' ;;
esac
deviceCpuType=`echo $_x | cut -d\| -f1`
deviceDesc=`echo $_x | cut -d\| -f2-`
## CPU family, Processor core, other distinguishing characteristic
case "$deviceCpuType" in
ARM) deviceCpuType="ARM" ;;
PNV) deviceCpuType="Intel Pineview" ;;
SNB) deviceCpuType="Intel SandyBridge" ;;
IVB) deviceCpuType="Intel IvyBridge" ;;
HSW) deviceCpuType="Intel Haswell" ;;
BYT) deviceCpuType="Intel BayTrail" ;;
BDW) deviceCpuType="Intel Broadwell" ;;
BSW) deviceCpuType="Intel Braswell" ;;
SKL) deviceCpuType="Intel Skylake" ;;
APL) deviceCpuType="Intel ApolloLake" ;;
KBL) deviceCpuType="Intel KabyLake" ;;
#*) deviceCpuType="(unrecognized)" ;;
esac
[[ "${hsw_boxes[@]}" =~ "$device" ]] && isHswBox=true
[[ "${bdw_boxes[@]}" =~ "$device" ]] && isBdwBox=true
[[ "${hsw_books[@]}" =~ "$device" ]] && isHswBook=true
[[ "${bdw_books[@]}" =~ "$device" ]] && isBdwBook=true
[[ "${baytrail[@]}" =~ "$device" ]] && isBaytrail=true
[[ "${braswell[@]}" =~ "$device" ]] && isBraswell=true
[[ "${skylake[@]}" =~ "$device" ]] && isSkylake=true
[[ "${snb_ivb[@]}" =~ "$device" ]] && isSnbIvb=true
[[ "${apl[@]}" =~ "$device" ]] && isApl=true
[[ "${kbl[@]}" =~ "$device" ]] && isKbl=true
[[ "${shellballs[@]}" =~ "$device" ]] && hasShellball=true
[[ "${UEFI_ROMS[@]}" =~ "$device" ]] && hasUEFIoption=true
[[ "${LegacyROMs[@]}" =~ "$device" ]] && hasLegacyOption=true
[[ "$isHswBox" = true || "$isBdwBox" = true || "$isHswBook" = true || "$isBdwBook" = true || "$isBaytrail" = true \
|| "$isBraswell" = true || "$isSkylake" = true || "$isSnbIvb" = "true" || "$isApl" = "true" || "$isKbl" = "true" ]] || isUnsupported=true
[[ "$isHswBox" = true || "$isBdwBox" = true || "${kbl_boxes[@]}" =~ "$device" || "$device" = "ninja" ]] && hasLAN=true
#get device firmware info
echo -e "\nGetting device/system info..."
#read entire firmware
${flashromcmd} -r /tmp/bios.bin > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo_red "\nUnable to read current firmware; cannot continue."
echo_red "Either add 'iomem=relaxed' to your kernel parameters,\nor trying running from a Live USB with a more permissive kernel (eg, Ubuntu)."
echo_red "See https://www.flashrom.org/FAQ for more info."
return 1;
fi
#break out BOOT_STUB and RW_LEGACY pieces, check for validity
${cbfstoolcmd} bios.bin read -r BOOT_STUB -f bs.tmp >/dev/null 2>&1
if [ $? -eq 0 ]; then
#see if BOOT_STUB is stock
${cbfstoolcmd} bs.tmp extract -n fallback/vboot -f vb.tmp -m x86 >/dev/null 2>&1
[[ $? -ne 0 && "${device^^}" != "LINK" ]] && isBootStub=true
#check RW_LEGACY
${cbfstoolcmd} bios.bin read -r RW_LEGACY -f rwl.tmp >/dev/null 2>&1
[[ $? -eq 0 ]] && hasRwLegacy=true
else
# check 'coreboot' for SKL/KBL/APL
${cbfstoolcmd} bios.bin read -r COREBOOT -f cb.tmp >/dev/null 2>&1
if [[ $? -eq 0 && ( "$isSkylake" = true || "$isApl" = true || "$isKbl" = true) ]]; then
#check for verstage
${cbfstoolcmd} bios.bin extract -n fallback/verstage -f /dev/null -m x86 >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
hasRwLegacy=true
else
#non-stock firmware
isStock=false
isFullRom=true
fi
else
if [ "$isChromeOS" = false ]; then
#non-stock firmware
isStock=false
isFullRom=true
fi
fi
fi
#set firmware type
if [[ "$isChromeOS" = true && "$isStock" = true && "$isBootStub" = false && "$isSkylake" = false ]]; then
firmwareType="Stock ChromeOS"
elif [[ "$isBootStub" = true ]]; then
firmwareType="Stock w/modified BOOT_STUB"
elif [[ "$isFullRom" = true ]]; then
#get more info
fwVer=$(dmidecode -s bios-version)
fwDate=$(dmidecode -s bios-release-date)
if [[ -d /sys/firmware/efi ]]; then
firmwareType="Full ROM / UEFI ($fwVer $fwDate)"
else
firmwareType="Full ROM / Legacy ($fwVer $fwDate)"
fi
elif [[ "$isChromeOS" = false && "$hasRwLegacy" = true ]]; then
firmwareType="Stock w/RW_LEGACY support"
elif [[ "$isChromeOS" = true && "$isBaytrail" = true && "$hasRwLegacy" = true ]]; then
firmwareType="Stock w/RW_LEGACY support"
elif [[ "$isSkylake" = true || "$isKbl" = true ]]; then
firmwareType="Stock w/RW_LEGACY support"
fi
#check WP status
if [[ "$isChromeOS" = true ]]; then
[[ "$(crossystem wpsw_cur)" == "1" || "$(crossystem wpsw_boot)" == "1" ]] && wpEnabled=true
else
#save SW WP state
${flashromcmd} --wp-status 2>&1 | grep enabled >/dev/null
[[ $? -eq 0 ]] && swWp="enabled" || swWp="disabed"
#test disabling SW WP to see if HW WP enabled
${flashromcmd} --wp-disable > /dev/null 2>&1
[[ $? -ne 0 ]] && wpEnabled=true
#restore previous SW WP state
[[ ${swWp} = "enabled" ]] && ${flashromcmd} --wp-enable > /dev/null 2>&1
fi
return 0
}
###########
# Cleanup #
###########
function cleanup()
{
#remove temp files, unmount temp stuff
if [ -d /tmp/boot/util ]; then
rm -rf /tmp/boot/util > /dev/null 2>&1
fi
umount /tmp/boot > /dev/null 2>&1
umount /tmp/Storage > /dev/null 2>&1
umount /tmp/System > /dev/null 2>&1
umount /tmp/urfs/proc > /dev/null 2>&1
umount /tmp/urfs/dev/pts > /dev/null 2>&1
umount /tmp/urfs/dev > /dev/null 2>&1
umount /tmp/urfs/sys > /dev/null 2>&1
umount /tmp/urfs > /dev/null 2>&1
umount /tmp/usb > /dev/null 2>&1
}