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