ship init script for controlling the n2n VPN. Closes: #742098

debian/default

@@ -0,0 +1,27 @@
+# Config file for the n2n edge node daemon.
+
+# Sets the n2n community name. All edges within the same community appear on
+# the same LAN (layer 2 network segment). Community name is 16 bytes in length.
+N2N_COMMUNITY="DEBIAN_n2n_Testers"
+
+# Sets the twofish encryption key from ASCII text. All edges communicating must
+# use the same key and community name.
+N2N_KEY="SuperSecurePassword"
+
+# Sets the n2n supernode IP address and port to register to.
+N2N_SUPERNODE="remoteqth.com"
+N2N_SUPERNODE_PORT="82"
+
+# Sets the n2n virtual LAN IP address being claimed. This is a private IP
+# address. All IP addresses in an n2n community typical belong to the same /24
+# net‐ work (ie. only the last octet of the IP addresses varies).
+N2N_IP="10.1.2.3"
+
+N2N_DAEMON_OPTS=""
+
+# Uncomment this to get edge node started.
+#N2N_EDGE_CONFIG_DONE="yes"
+
+#TODO
+# add routing option
+# sudo ip route add 192.168.1.0/24 via 10.1.2.1

debian/init

@@ -0,0 +1,172 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:          n2n
+# Required-Start:    $network $remote_fs $local_fs
+# Required-Stop:     $remote_fs $local_fs
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start or stop the n2n VPN
+# Description:       This script controls the n2n VPN service.
+#                    It is called from the boot, halt and reboot scripts.
+#                    So far, only 1 PVN is supported by this script.
+#                    More can be started via the command line.
+### END INIT INFO
+#
+# Author: Rolf Leggewie <foss@rolf.leggewie.biz>
+
+set -e
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC='n2n P2P VPN'
+NAME=n2n
+DAEMON=/usr/sbin/edge
+DAEMON_ARGS=""             # Arguments to run the daemon with
+#PIDFILE=/var/run/$NAME-edge.pid
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if the package is not installed
+[ -x "$DAEMON" ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Check config
+if [ -z "$N2N_EDGE_CONFIG_DONE" ]
+then
+	echo "Warning: n2n VPN client is not configured, edit config file in /etc/default/$NAME." 1>&2
+	exit 0
+fi
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+. /lib/lsb/init-functions
+
+## Make sure /var/run/n2n exists.
+#if [ ! -e /var/run/$NAME ] ; then
+#	mkdir -p /var/run/$NAME
+#	chown proxy:proxy /var/run/$NAME
+#	chmod 755 /var/run/$NAME
+#fi
+
+# Function that starts the daemon/service
+#
+do_start()
+{
+	if [ -r /sys/class/net/edge0 ]; then
+	 echo edge node is already running.
+	 exit 0
+	fi
+
+	# Return
+	#   0 if daemon has been started
+	#   1 if daemon was already running
+	#   2 if daemon could not be started
+	start-stop-daemon --start --quiet --user nobody --exec $DAEMON --test > /dev/null \
+		|| return 1
+	export N2N_KEY
+	start-stop-daemon --start --quiet --user nobody --exec $DAEMON -- \
+		-f -a $N2N_IP -c $N2N_COMMUNITY -l $N2N_SUPERNODE:$N2N_SUPERNODE_PORT \
+		-u $(id -u nobody) -g $(id -g nobody) $DAEMON_ARGS \
+		|| return 2
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+	# Return
+	#   0 if daemon has been stopped
+	#   1 if daemon was already stopped
+	#   2 if daemon could not be stopped
+	#   other if a failure occurred
+	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --user nobody --exec $DAEMON
+	RETVAL="$?"
+	[ "$RETVAL" = 2 ] && return 2
+	# Wait for children to finish too if this is a daemon that forks
+	# and if the daemon is only ever run from this initscript.
+	# If the above conditions are not satisfied then add some other code
+	# that waits for the process to drop all resources that could be
+	# needed by services started subsequently.  A last resort is to
+	# sleep for some time.
+	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
+	[ "$?" = 2 ] && return 2
+	# Many daemons don't delete their pidfiles when they exit.
+	rm -f $PIDFILE
+	return "$RETVAL"
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+	#
+	# If the daemon can reload its configuration without
+	# restarting (for example, when it is sent a SIGHUP),
+	# then implement that here.
+	#
+	start-stop-daemon --stop --signal 1 --quiet --name $NAME
+	return 0
+}
+
+case "$1" in
+  start)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
+	do_start
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  stop)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+	do_stop
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  status)
+	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+	;;
+  #reload|force-reload)
+	#
+	# If do_reload() is not implemented then leave this commented out
+	# and leave 'force-reload' as an alias for 'restart'.
+	#
+	#log_daemon_msg "Reloading $DESC" "$NAME"
+	#do_reload
+	#log_end_msg $?
+	#;;
+  restart|force-reload)
+	#
+	# If the "reload" option is implemented then remove the
+	# 'force-reload' alias
+	#
+	log_daemon_msg "Restarting $DESC" "$NAME"
+	do_stop
+	case "$?" in
+	  0|1)
+		do_start
+		case "$?" in
+			0) log_end_msg 0 ;;
+			1) log_end_msg 1 ;; # Old process is still running
+			*) log_end_msg 1 ;; # Failed to start
+		esac
+		;;
+	  *)
+		# Failed to stop
+		log_end_msg 1
+		;;
+	esac
+	;;
+  *)
+	N=/etc/init.d/$NAME
+	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
+	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+	exit 3
+	;;
+esac
+
+exit 0