#!/usr/bin/env bash ### BEGIN INIT INFO # Provides: pihole-FTL # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: pihole-FTL daemon # Description: Enable service provided by pihole-FTL daemon ### END INIT INFO FTLUSER=pihole PIDFILE=/var/run/pihole-FTL.pid get_pid() { # First, try to obtain PID from PIDFILE if [ -s "${PIDFILE}" ]; then cat "${PIDFILE}" return fi # If the PIDFILE is empty or not available, obtain the PID using pidof pidof "pihole-FTL" | awk '{print $(NF)}' } is_running() { ps "$(get_pid)" > /dev/null 2>&1 } # Start the service start() { if is_running; then echo "pihole-FTL is already running" else # Touch files to ensure they exist (create if non-existing, preserve if existing) touch /var/log/pihole-FTL.log /var/log/pihole.log touch /run/pihole-FTL.pid /run/pihole-FTL.port touch /etc/pihole/dhcp.leases mkdir -p /var/run/pihole mkdir -p /var/log/pihole chown pihole:pihole /var/run/pihole /var/log/pihole # Remove possible leftovers from previous pihole-FTL processes rm -f /dev/shm/FTL-* 2> /dev/null rm /var/run/pihole/FTL.sock 2> /dev/null # Ensure that permissions are set so that pihole-FTL can edit all necessary files chown pihole:pihole /run/pihole-FTL.pid /run/pihole-FTL.port chown pihole:pihole /etc/pihole /etc/pihole/dhcp.leases 2> /dev/null chown pihole:pihole /var/log/pihole-FTL.log /var/log/pihole.log chmod 0644 /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port /var/log/pihole.log echo "nameserver 127.0.0.1" | /sbin/resolvconf -a lo.piholeFTL if setcap CAP_NET_BIND_SERVICE,CAP_NET_RAW,CAP_NET_ADMIN+eip "$(which pihole-FTL)"; then su -s /bin/sh -c "/usr/bin/pihole-FTL" "$FTLUSER" else echo "Warning: Starting pihole-FTL as root because setting capabilities is not supported on this system" pihole-FTL fi echo fi } # Stop the service stop() { if is_running; then /sbin/resolvconf -d lo.piholeFTL kill "$(get_pid)" for i in {1..5}; do if ! is_running; then break fi echo -n "." sleep 1 done echo if is_running; then echo "Not stopped; may still be shutting down or shutdown may have failed, killing now" kill -9 "$(get_pid)" exit 1 else echo "Stopped" fi else echo "Not running" fi echo } # Indicate the service status status() { if is_running; then echo "[ ok ] pihole-FTL is running" exit 0 else echo "[ ] pihole-FTL is not running" exit 1 fi } ### main logic ### case "$1" in stop) stop ;; status) status ;; start|restart|reload|condrestart) stop start ;; *) echo $"Usage: $0 {start|stop|restart|reload|status}" exit 1 esac exit 0