raspiblitz/home.admin/config.scripts/lnd.autounlock.sh
2021-12-14 23:34:35 +01:00

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#!/bin/bash
# command info
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
echo "# small config script to autounlock lnd after restart"
echo "# lnd.autounlock.sh [on|off] [?passwordC]"
exit 1
fi
# 1. parameter [on|off]
turn="off"
if [ "$1" = "1" ] || [ "$1" = "on" ]; then turn="on"; fi
# 2. parameter [?passwordC]
passwordC=$2
# run interactive if 'turn on' && no further parameters
if [ "${turn}" = "on" ] && [ ${#passwordC} -eq 0 ]; then
dialog --backtitle "LND Auto-Unlock" --inputbox "ENTER your PASSWORD C:
For more details see chapter in GitHub README
'Auto-unlock LND on startup'
https://github.com/rootzoll/raspiblitz
Password C will be stored on the device.
" 13 52 2>./.tmp
wasCancel=$( echo $? )
passwordC=$( cat ./.tmp )
if [ ${wasCancel} -eq 1 ]; then
echo "# CANCEL LND Auto-Unlock"
sleep 2
exit 1
fi
if [ ${#passwordC} -eq 0 ]; then
echo "# input cannot be empty - repeat"
sleep 3
sudo /home/admin/config.scripts/lnd.autounlock.sh on
exit $?
fi
# test if correct
echo "# testing password .. please wait"
sudo systemctl restart lnd
sleep 4
error=""
source <(sudo /home/admin/config.scripts/lnd.unlock.sh unlock "$passwordC")
if [ "${error}" != "" ];then
echo "# PASSWORD C is wrong - try again or cancel"
sleep 3
sudo /home/admin/config.scripts/lnd.autounlock.sh on
exit $?
fi
shred -u ./.tmp
fi
# lnd conf file
lndConfig="/mnt/hdd/lnd/lnd.conf"
# switch on
if [ "$1" = "1" ] || [ "$1" = "on" ]; then
echo "# switching the Auto-Unlock ON"
# setting value in raspi blitz config
/home/admin/config.scripts/blitz.conf.sh set autoUnlock "on"
# password C needs to be stored on RaspiBlitz
echo "# storing password for root in /root/lnd.autounlock.pwd"
sudo sh -c "echo \"${passwordC}\" > /root/lnd.autounlock.pwd"
sudo chmod 660 /root/lnd.autounlock.pwd
sudo chown root:sudo /root/lnd.autounlock.pwd
echo "# Auto-Unlock is now ON"
echo "# NOTE: you may need to reconnect mobile/external wallets (macaroon/tls)"
exit 0
fi
# switch off
if [ "$1" = "0" ] || [ "$1" = "off" ]; then
echo "# switching the Auto-Unlock OFF"
# setting value in raspi blitz config
/home/admin/config.scripts/blitz.conf.sh set autoUnlock "off"
# delete password C securely
echo "# shredding password on for RaspiBlitz Auto-Unlock"
sudo shred -u /root/lnd.autounlock.pwd 2>/dev/null
echo "# Auto-Unlock is now OFF"
exit 0
fi