heads/initrd/bin/config-gui.sh

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#!/bin/sh
#
set -e -o pipefail
. /etc/functions
. /etc/gui_functions
. /tmp/config
param=$1
while true; do
if [ ! -z "$param" ]; then
# use first char from parameter
menu_choice=${param::1}
unset param
else
unset menu_choice
whiptail $BG_COLOR_MAIN_MENU --clear --title "Config Management Menu" \
--menu "This menu lets you change settings for the current BIOS session.\n\nAll changes will revert after a reboot,\n\nunless you also save them to the running BIOS." 20 90 10 \
'b' ' Change the /boot device' \
's' ' Save the current configuration to the running BIOS' \
'r' ' Clear GPG key(s) and reset all user settings' \
'x' ' Return to Main Menu' \
2>/tmp/whiptail || recovery "GUI menu failed"
menu_choice=$(cat /tmp/whiptail)
fi
case "$menu_choice" in
"x" )
exit 0
;;
"b" )
CURRENT_OPTION=`grep 'CONFIG_BOOT_DEV=' /tmp/config | tail -n1 | cut -f2 -d '=' | tr -d '"'`
if ! fdisk -l | grep "Disk" | cut -f2 -d " " | cut -f1 -d ":" > /tmp/disklist.txt ; then
whiptail $BG_COLOR_ERROR --title 'ERROR: No bootable devices found' \
--msgbox " $ERROR\n\n" 16 60
exit 1
fi
# filter out extraneous options
> /tmp/boot_device_list.txt
for i in `cat /tmp/disklist.txt`; do
# remove block device from list if numeric partitions exist, since not bootable
DEV_NUM_PARTITIONS=$((`ls -1 $i* | wc -l`-1))
if [ ${DEV_NUM_PARTITIONS} -eq 0 ]; then
echo $i >> /tmp/boot_device_list.txt
else
ls $i* | tail -${DEV_NUM_PARTITIONS} >> /tmp/boot_device_list.txt
fi
done
file_selector "/tmp/boot_device_list.txt" \
"Choose the default /boot device.\n\nCurrently set to $CURRENT_OPTION." \
"Boot Device Selection"
if [ "$FILE" == "" ]; then
return
else
SELECTED_FILE=$FILE
fi
# unmount /boot if needed
if grep -q /boot /proc/mounts ; then
umount /boot 2>/dev/null
fi
# mount newly selected /boot device
if ! mount -o ro $SELECTED_FILE /boot 2>/tmp/error ; then
ERROR=`cat /tmp/error`
whiptail $BG_COLOR_ERROR --title 'ERROR: unable to mount /boot' \
--msgbox " $ERROR\n\n" 16 60
exit 1
fi
replace_config /etc/config.user "CONFIG_BOOT_DEV" "$SELECTED_FILE"
combine_configs
whiptail --title 'Config change successful' \
--msgbox "The /boot device was successfully changed to $SELECTED_FILE" 16 60
;;
"s" )
/bin/flash.sh -r /tmp/config-gui.rom
if [ ! -s /tmp/config-gui.rom ]; then
whiptail $BG_COLOR_ERROR --title 'ERROR: BIOS Read Failed!' \
--msgbox "Unable to read BIOS" 16 60
exit 1
fi
if (cbfs -o /tmp/config-gui.rom -l | grep -q "heads/initrd/etc/config.user") then
cbfs -o /tmp/config-gui.rom -d "heads/initrd/etc/config.user"
fi
cbfs -o /tmp/config-gui.rom -a "heads/initrd/etc/config.user" -f /etc/config.user
if (whiptail --title 'Update ROM?' \
--yesno "This will reflash your BIOS with the updated version\n\nDo you want to proceed?" 16 90) then
/bin/flash.sh /tmp/config-gui.rom
whiptail --title 'BIOS Updated Successfully' \
--msgbox "BIOS updated successfully.\n\nIf your keys have changed, be sure to re-sign all files in /boot\nafter you reboot.\n\nPress Enter to reboot" 16 60
/bin/reboot
else
exit 0
fi
;;
"r" )
# prompt for confirmation
if (whiptail $BG_COLOR_WARNING --title 'Reset Configuration?' \
--yesno "This will clear all GPG keys, clear boot signatures and checksums,
\nreset the /boot device, clear/reset the TPM (if present),
\nand reflash your BIOS with the cleaned configuration.
\n\nDo you want to proceed?" 16 90) then
# read current firmware
/bin/flash.sh -r /tmp/config-gui.rom
if [ ! -s /tmp/config-gui.rom ]; then
whiptail $BG_COLOR_ERROR --title 'ERROR: BIOS Read Failed!' \
--msgbox "Unable to read BIOS" 16 60
exit 1
fi
# clear local keyring
rm /.gnupg/* | true
# clear /boot signatures/checksums
mount -o remount,rw /boot
rm /boot/kexec* | true
mount -o remount,ro /boot
# clear GPG keys and user settings
for i in `cbfs -o /tmp/config-gui.rom -l | grep -e "heads/"`; do
cbfs -o /tmp/config-gui.rom -d $i
done
# flash cleared ROM
/bin/flash.sh -c /tmp/config-gui.rom
# reset TPM if present
if [ "$CONFIG_TPM" = "y" ]; then
/bin/tpm-reset
fi
whiptail --title 'Configuration Reset Updated Successfully' \
--msgbox "Configuration reset and BIOS updated successfully.\n\nPress Enter to reboot" 16 60
/bin/reboot
else
exit 0
fi
;;
esac
done
exit 0