diff options
Diffstat (limited to 'debian/openvpn.init.d')
| -rw-r--r-- | debian/openvpn.init.d | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/debian/openvpn.init.d b/debian/openvpn.init.d new file mode 100644 index 0000000..ae88417 --- /dev/null +++ b/debian/openvpn.init.d @@ -0,0 +1,298 @@ +#!/bin/sh -e + +### BEGIN INIT INFO +# Provides: openvpn +# Required-Start: $network $remote_fs $syslog +# Required-Stop: $network $remote_fs $syslog +# Should-Start: network-manager +# Should-Stop: network-manager +# X-Start-Before: $x-display-manager gdm kdm xdm wdm ldm sdm nodm +# X-Interactive: true +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Openvpn VPN service +# Description: This script will start OpenVPN tunnels as specified +# in /etc/default/openvpn and /etc/openvpn/*.conf +### END INIT INFO + +# Original version by Robert Leslie +# <rob@mars.org>, edited by iwj and cs +# Modified for openvpn by Alberto Gonzalez Iniesta <agi@inittab.org> +# Modified for restarting / starting / stopping single tunnels by Richard Mueller <mueller@teamix.net> + +. /lib/lsb/init-functions + +test $DEBIAN_SCRIPT_DEBUG && set -v -x + +DAEMON=/usr/sbin/openvpn +DESC="virtual private network daemon" +CONFIG_DIR=/etc/openvpn +test -x $DAEMON || exit 0 +test -d $CONFIG_DIR || exit 0 + +# Source defaults file; edit that file to configure this script. +AUTOSTART="all" +STATUSREFRESH=10 +OMIT_SENDSIGS=0 +if test -e /etc/default/openvpn ; then + . /etc/default/openvpn +fi + +start_vpn () { + if grep -q '^[ ]*daemon' $CONFIG_DIR/$NAME.conf ; then + # daemon already given in config file + DAEMONARG= + else + # need to daemonize + DAEMONARG="--daemon ovpn-$NAME" + fi + + if grep -q '^[ ]*status ' $CONFIG_DIR/$NAME.conf ; then + # status file already given in config file + STATUSARG="" + elif test $STATUSREFRESH -eq 0 ; then + # default status file disabled in /etc/default/openvpn + STATUSARG="" + else + # prepare default status file + STATUSARG="--status /run/openvpn/$NAME.status $STATUSREFRESH" + fi + + # tun using the "subnet" topology confuses the routing code that wrongly + # emits ICMP redirects for client to client communications + SAVED_DEFAULT_SEND_REDIRECTS=0 + if grep -q '^[[:space:]]*dev[[:space:]]*tun' $CONFIG_DIR/$NAME.conf && \ + grep -q '^[[:space:]]*topology[[:space:]]*subnet' $CONFIG_DIR/$NAME.conf ; then + # When using "client-to-client", OpenVPN routes the traffic itself without + # involving the TUN/TAP interface so no ICMP redirects are sent + if ! grep -q '^[[:space:]]*client-to-client' $CONFIG_DIR/$NAME.conf ; then + sysctl -w net.ipv4.conf.all.send_redirects=0 > /dev/null + + # Save the default value for send_redirects before disabling it + # to make sure the tun device is created with send_redirects disabled + SAVED_DEFAULT_SEND_REDIRECTS=$(sysctl -n net.ipv4.conf.default.send_redirects) + + if [ "$SAVED_DEFAULT_SEND_REDIRECTS" -ne 0 ]; then + sysctl -w net.ipv4.conf.default.send_redirects=0 > /dev/null + fi + fi + fi + + log_progress_msg "$NAME" + STATUS=0 + + start-stop-daemon --start --quiet --oknodo \ + --pidfile /run/openvpn/$NAME.pid \ + --exec $DAEMON -- $OPTARGS --writepid /run/openvpn/$NAME.pid \ + $DAEMONARG $STATUSARG --cd $CONFIG_DIR \ + --config $CONFIG_DIR/$NAME.conf || STATUS=1 + + [ "$OMIT_SENDSIGS" -ne 1 ] || ln -s /run/openvpn/$NAME.pid /run/sendsigs.omit.d/openvpn.$NAME.pid + + # Set the back the original default value of send_redirects if it was changed + if [ "$SAVED_DEFAULT_SEND_REDIRECTS" -ne 0 ]; then + sysctl -w net.ipv4.conf.default.send_redirects=$SAVED_DEFAULT_SEND_REDIRECTS > /dev/null + fi +} +stop_vpn () { + start-stop-daemon --stop --quiet --oknodo \ + --pidfile $PIDFILE --exec $DAEMON --retry 10 + if [ "$?" -eq 0 ]; then + rm -f $PIDFILE + [ "$OMIT_SENDSIGS" -ne 1 ] || rm -f /run/sendsigs.omit.d/openvpn.$NAME.pid + rm -f /run/openvpn/$NAME.status 2> /dev/null + fi +} + +case "$1" in +start) + log_daemon_msg "Starting $DESC" + + # first create /run directory so it's present even + # when no VPN are autostarted by this script, but later + # by systemd openvpn@.service + mkdir -p /run/openvpn + + # autostart VPNs + if test -z "$2" ; then + # check if automatic startup is disabled by AUTOSTART=none + if test "x$AUTOSTART" = "xnone" -o -z "$AUTOSTART" ; then + log_warning_msg " Autostart disabled." + exit 0 + fi + if test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then + # all VPNs shall be started automatically + for CONFIG in `cd $CONFIG_DIR; ls *.conf 2> /dev/null`; do + NAME=${CONFIG%%.conf} + start_vpn + done + else + # start only specified VPNs + for NAME in $AUTOSTART ; do + if test -e $CONFIG_DIR/$NAME.conf ; then + start_vpn + else + log_failure_msg "No such VPN: $NAME" + STATUS=1 + fi + done + fi + #start VPNs from command line + else + while shift ; do + [ -z "$1" ] && break + if test -e $CONFIG_DIR/$1.conf ; then + NAME=$1 + start_vpn + else + log_failure_msg " No such VPN: $1" + STATUS=1 + fi + done + fi + log_end_msg ${STATUS:-0} + + ;; +stop) + log_daemon_msg "Stopping $DESC" + + if test -z "$2" ; then + for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do + NAME=`echo $PIDFILE | cut -c14-` + NAME=${NAME%%.pid} + stop_vpn + log_progress_msg "$NAME" + done + else + while shift ; do + [ -z "$1" ] && break + if test -e /run/openvpn/$1.pid ; then + PIDFILE=`ls /run/openvpn/$1.pid 2> /dev/null` + NAME=`echo $PIDFILE | cut -c14-` + NAME=${NAME%%.pid} + stop_vpn + log_progress_msg "$NAME" + else + log_failure_msg " (failure: No such VPN is running: $1)" + fi + done + fi + log_end_msg 0 + ;; +# Only 'reload' running VPNs. New ones will only start with 'start' or 'restart'. +reload|force-reload) + log_daemon_msg "Reloading $DESC" + for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do + NAME=`echo $PIDFILE | cut -c14-` + NAME=${NAME%%.pid} +# If openvpn if running under a different user than root we'll need to restart + if egrep '^[[:blank:]]*user[[:blank:]]' $CONFIG_DIR/$NAME.conf > /dev/null 2>&1 ; then + stop_vpn + start_vpn + log_progress_msg "(restarted)" + else + kill -HUP `cat $PIDFILE` || true + log_progress_msg "$NAME" + fi + done + log_end_msg 0 + ;; + +# Only 'soft-restart' running VPNs. New ones will only start with 'start' or 'restart'. +soft-restart) + log_daemon_msg "$DESC sending SIGUSR1" + for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do + NAME=`echo $PIDFILE | cut -c14-` + NAME=${NAME%%.pid} + kill -USR1 `cat $PIDFILE` || true + log_progress_msg "$NAME" + done + log_end_msg 0 + ;; + +restart) + shift + $0 stop ${@} + $0 start ${@} + ;; +cond-restart) + log_daemon_msg "Restarting $DESC." + for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do + NAME=`echo $PIDFILE | cut -c14-` + NAME=${NAME%%.pid} + stop_vpn + start_vpn + done + log_end_msg 0 + ;; +status) + GLOBAL_STATUS=0 + if test -z "$2" ; then + # We want status for all defined VPNs. + # Returns success if all autostarted VPNs are defined and running + if test "x$AUTOSTART" = "xnone" ; then + # Consider it a failure if AUTOSTART=none + log_warning_msg "No VPN autostarted" + GLOBAL_STATUS=1 + else + if ! test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then + # Consider it a failure if one of the autostarted VPN is not defined + for VPN in $AUTOSTART ; do + if ! test -f $CONFIG_DIR/$VPN.conf ; then + log_warning_msg "VPN '$VPN' is in AUTOSTART but is not defined" + GLOBAL_STATUS=1 + fi + done + fi + fi + for CONFIG in `cd $CONFIG_DIR; ls *.conf 2> /dev/null`; do + NAME=${CONFIG%%.conf} + # Is it an autostarted VPN ? + if test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then + AUTOVPN=1 + else + if test "x$AUTOSTART" = "xnone" ; then + AUTOVPN=0 + else + AUTOVPN=0 + for VPN in $AUTOSTART; do + if test "x$VPN" = "x$NAME" ; then + AUTOVPN=1 + fi + done + fi + fi + if test "x$AUTOVPN" = "x1" ; then + # If it is autostarted, then it contributes to global status + status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}'" || GLOBAL_STATUS=1 + else + status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}' (non autostarted)" || true + fi + done + else + # We just want status for specified VPNs. + # Returns success if all specified VPNs are defined and running + while shift ; do + [ -z "$1" ] && break + NAME=$1 + if test -e $CONFIG_DIR/$NAME.conf ; then + # Config exists + status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}'" || GLOBAL_STATUS=1 + else + # Config does not exist + log_warning_msg "VPN '$NAME': missing $CONFIG_DIR/$NAME.conf file !" + GLOBAL_STATUS=1 + fi + done + fi + exit $GLOBAL_STATUS + ;; +*) + echo "Usage: $0 {start|stop|reload|restart|force-reload|cond-restart|soft-restart|status}" >&2 + exit 1 + ;; +esac + +exit 0 + +# vim:set ai sts=2 sw=2 tw=0: |