201 lines
3.4 KiB
Bash
Executable File
201 lines
3.4 KiB
Bash
Executable File
#! /bin/sh
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### BEGIN INIT INFO
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# Provides: fwknop-c-server
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# Required-Start: $remote_fs
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# Required-Stop: $remote_fs
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: FireWall KNock OPerator (fwknop)
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### END INIT INFO
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# Author: Franck Joncourt <franck@debian.org>
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="FireWall KNock OPerator"
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NAME=fwknopd
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DAEMON=/usr/sbin/$NAME
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PIDDIR=/var/run/fwknop
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SCRIPTNAME=/etc/init.d/fwknop-c-server
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# Exit if the package is not installed
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[ -x "$DAEMON" ] || exit 0
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# Load the VERBOSE setting and other rcS variables
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. /lib/init/vars.sh
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# Define LSB log_* functions.
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# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
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. /lib/lsb/init-functions
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##
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# Function that checks if all of the configuration files exist
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#
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# @return status
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# 0 : all of the configuration files exist
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# 6 : at least one file is missing
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##
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check_config()
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{
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local retval
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local file_list
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retval=0
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file_list="/etc/fwknop/access.conf /etc/fwknop/fwknopd.conf"
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for ConfFile in $file_list; do
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if [ ! -f "$ConfFile" ]; then
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retval=6
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break
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fi
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done
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return $retval
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}
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##
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# Function that starts the daemon/service
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#
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# @return status
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# 0 : daemon has been started or was already running
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# 1 : generic or unspecified errors (could not be started)
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# 6 : program is not configured (missing configuration files)
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##
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do_start()
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{
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local retval
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echo -n "Starting $DESC: $NAME "
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mkdir -p $PIDDIR
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chmod 755 $PIDDIR
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# Check fwknopd configuration
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check_config
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retval=$?
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# Try to start fwknopd
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if [ "$retval" = "0" ]; then
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start-stop-daemon --start --quiet --pidfile $PIDDIR/$NAME --exec $DAEMON
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retval="$?"
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fi
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# Handle return status codes
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case "$retval" in
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0)
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log_success_msg
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;;
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6)
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log_failure_msg "You are missing the configuration file $ConfFile."
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;;
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9)
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retval=0
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;;
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*)
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retval=1
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log_failure_msg "Unable to start the daemon."
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;;
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esac
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return $retval
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}
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##
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# Function that stops the daemon/service
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#
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# @return status
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# 0 : daemon has been stopped or was already stopped
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# 1 : daemon could not be stopped
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##
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do_stop()
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{
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local retval="0"
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local status kill_status
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local pid pidfile
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local process_list="fwknopd"
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echo -n "Stopping $DESC:"
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# For each process
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for process in $process_list; do
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pidfile="$PIDDIR/$process.pid"
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status="0"
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kill_status="1"
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echo -n " $process"
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# Try to kill the process associated to the pid
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if [ -r "$pidfile" ]; then
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pid=`cat "$pidfile" 2>/dev/null`
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kill -0 "${pid:-}" 2>/dev/null
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kill_status="$?"
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fi
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# Stop the process
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if [ "$kill_status" = "0" ]; then
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start-stop-daemon --stop --oknodo --quiet --pidfile "$pidfile"
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status="$?"
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fi
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# Remove its pid file
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if [ -r "$pidfile" ] && [ "$status" = "0" ]; then
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rm -f "$pidfile" 2>/dev/null
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status="$?"
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fi
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[ "$status" = "0" ] || retval="1"
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done
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if [ "$retval" = "0" ]; then
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log_success_msg
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else
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echo -n " "
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log_failure_msg "One or more process could not be stopped."
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fi
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return $retval
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}
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##
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# Function that returns the daemon status
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##
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do_status()
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{
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echo "Status of $DESC:"
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$DAEMON -S
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}
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case "$1" in
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start)
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do_start
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;;
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stop)
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do_stop
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;;
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restart|force-reload)
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do_stop
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sleep 1
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do_start
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;;
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status)
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do_status
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exit $?
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;;
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*)
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log_success_msg "Usage: $0 {start|stop|restart|status}" >&2
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exit 1
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;;
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esac
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exit
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