#!/bin/sh
# /etc/runit/3 - rawnix system shutdown

exec 2>&1
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
stty onlcr 2>/dev/null

printf '\nrawnix is shutting down...\n\n'

printf 'Stopping services...\n'
sv force-stop /service/* 2>/dev/null
sv exit /service/* 2>/dev/null

[ -x /etc/rc.shutdown ] && /etc/rc.shutdown

printf 'Saving system clock...\n'
hwclock --systohc 2>/dev/null

printf 'Saving urandom seed...\n'
mkdir -p /var/lib/random
chmod 700 /var/lib/random
dd if=/dev/urandom of=/var/lib/random/seed bs=512 count=1 2>/dev/null
chmod 600 /var/lib/random/seed

printf 'Sending TERM signal...\n'
kill -TERM -1 2>/dev/null
sleep 2

printf 'Sending KILL signal...\n'
kill -KILL -1 2>/dev/null
sleep 1

printf 'Unmounting filesystems...\n'
sync
umount -a -d -r -t nosysfs,noproc,nodevtmpfs,notmpfs 2>/dev/null

printf 'Closing LUKS volumes...\n'
if [ -x /sbin/cryptsetup ] && [ -f /etc/crypttab ]; then
    while IFS= read -r line; do
        case "$line" in ''|\#*) continue ;; esac
        name="${line%%  *}"
        cryptsetup close "$name" 2>/dev/null
    done < /etc/crypttab
fi

printf 'Remounting root read-only...\n'
sync
mount -o remount,ro / 2>/dev/null

swapoff -a 2>/dev/null

printf 'Shutdown complete.\n'
exit 0