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https://github.com/MarkusMcNugen/docker-qBittorrentvpn
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Add init script for openvpn
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MarkusMcNugen
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openvpn/openvpn.init
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319
openvpn/openvpn.init
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#!/bin/sh -e
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### BEGIN INIT INFO
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# Provides: openvpn
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# Required-Start: $network $remote_fs $syslog
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# Required-Stop: $network $remote_fs $syslog
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# Should-Start: network-manager
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# Should-Stop: network-manager
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# X-Start-Before: $x-display-manager gdm kdm xdm wdm ldm sdm nodm
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# X-Interactive: true
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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: Openvpn VPN service
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# Description: This script will start OpenVPN tunnels as specified
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# in /etc/default/openvpn and /etc/openvpn/*.conf
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### END INIT INFO
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# Original version by Robert Leslie
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# <rob@mars.org>, edited by iwj and cs
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# Modified for openvpn by Alberto Gonzalez Iniesta <agi@inittab.org>
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# Modified for restarting / starting / stopping single tunnels by Richard Mueller <mueller@teamix.net>
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. /lib/lsb/init-functions
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test $DEBIAN_SCRIPT_DEBUG && set -v -x
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DAEMON=/usr/sbin/openvpn
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DESC="virtual private network daemon(s)"
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CONFIG_DIR=/config/openvpn
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test -x $DAEMON || exit 0
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test -d $CONFIG_DIR || exit 0
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# Source defaults file; edit that file to configure this script.
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AUTOSTART="all"
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STATUSREFRESH=10
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OMIT_SENDSIGS=0
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if test -e /etc/default/openvpn ; then
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. /etc/default/openvpn
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fi
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start_vpn () {
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OPENVPNLOG="/var/log/openvpn.log"
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if grep -q '^[ ]*daemon' $CONFIG_DIR/$NAME.ovpn ; then
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# daemon already given in config file
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DAEMONARG=
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else
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# need to daemonize
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DAEMONARG="--daemon ovpn-$NAME"
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fi
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if grep -q '^[ ]*status ' $CONFIG_DIR/$NAME.ovpn ; then
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# status file already given in config file
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STATUSARG=""
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elif test $STATUSREFRESH -eq 0 ; then
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# default status file disabled in /etc/default/openvpn
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STATUSARG=""
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else
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# prepare default status file
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STATUSARG="--status /run/openvpn/$NAME.status $STATUSREFRESH"
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fi
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# tun using the "subnet" topology confuses the routing code that wrongly
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# emits ICMP redirects for client to client communications
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SAVED_DEFAULT_SEND_REDIRECTS=0
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if grep -q '^[[:space:]]*dev[[:space:]]*tun' $CONFIG_DIR/$NAME.ovpn && \
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grep -q '^[[:space:]]*topology[[:space:]]*subnet' $CONFIG_DIR/$NAME.ovpn ; then
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# When using "client-to-client", OpenVPN routes the traffic itself without
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# involving the TUN/TAP interface so no ICMP redirects are sent
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if ! grep -q '^[[:space:]]*client-to-client' $CONFIG_DIR/$NAME.ovpn ; then
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sysctl -w net.ipv4.conf.all.send_redirects=0 > /dev/null
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# Save the default value for send_redirects before disabling it
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# to make sure the tun device is created with send_redirects disabled
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SAVED_DEFAULT_SEND_REDIRECTS=$(sysctl -n net.ipv4.conf.default.send_redirects)
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if [ "$SAVED_DEFAULT_SEND_REDIRECTS" -ne 0 ]; then
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sysctl -w net.ipv4.conf.default.send_redirects=0 > /dev/null
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fi
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fi
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fi
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# Handle backwards compatibility
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script_security=""
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if test -z "$( grep '^[[:space:]]*script-security[[:space:]]' $CONFIG_DIR/$NAME.ovpn )" ; then
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script_security="--script-security 2"
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fi
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STATUS=0
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start-stop-daemon --start --quiet --oknodo \
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--pidfile /run/openvpn/$NAME.pid \
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--exec $DAEMON -- $OPTARGS --writepid /run/openvpn/$NAME.pid \
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$DAEMONARG $STATUSARG --cd $CONFIG_DIR \
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--config $CONFIG_DIR/$NAME.ovpn $script_security >> $QBTLOG 2>&1 < /dev/null || STATUS=1
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[ "$OMIT_SENDSIGS" -ne 1 ] || ln -s /run/openvpn/$NAME.pid /run/sendsigs.omit.d/openvpn.$NAME.pid
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# Set the back the original default value of send_redirects if it was changed
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if [ "$SAVED_DEFAULT_SEND_REDIRECTS" -ne 0 ]; then
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sysctl -w net.ipv4.conf.default.send_redirects=$SAVED_DEFAULT_SEND_REDIRECTS > /dev/null
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fi
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}
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stop_vpn () {
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start-stop-daemon --stop --quiet --oknodo \
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--pidfile $PIDFILE --exec $DAEMON --retry 10
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if [ "$?" -eq 0 ]; then
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rm -f $PIDFILE
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[ "$OMIT_SENDSIGS" -ne 1 ] || rm -f /run/sendsigs.omit.d/openvpn.$NAME.pid
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rm -f /run/openvpn/$NAME.status 2> /dev/null
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log_end_msg 0
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else
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log_failure_msg " Unable to stop VPN '$NAME'"
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fi
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}
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case "$1" in
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start)
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log_action_begin_msg "Starting $DESC"
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# first create /run directory so it's present even
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# when no VPN are autostarted by this script, but later
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# by systemd openvpn@.service
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mkdir -p /run/openvpn
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# autostart VPNs
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if test -z "$2" ; then
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# check if automatic startup is disabled by AUTOSTART=none
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if test "x$AUTOSTART" = "xnone" -o -z "$AUTOSTART" ; then
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log_warning_msg " Autostart disabled, no VPN will be started."
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exit 0
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fi
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if test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then
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# all VPNs shall be started automatically
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for CONFIG in `cd $CONFIG_DIR; ls *.ovpn 2> /dev/null`; do
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NAME=${CONFIG%%.ovpn}
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log_daemon_msg " Autostarting VPN '$NAME'"
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start_vpn
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done
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else
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# start only specified VPNs
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for NAME in $AUTOSTART ; do
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if test -e $CONFIG_DIR/$NAME.ovpn ; then
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log_daemon_msg " Autostarting VPN '$NAME'"
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start_vpn
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else
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log_failure_msg " Autostarting VPN '$NAME': missing $CONFIG_DIR/$NAME.ovpn file !"
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STATUS=1
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fi
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done
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fi
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#start VPNs from command line
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else
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while shift ; do
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[ -z "$1" ] && break
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NAME=$1
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if test -e $CONFIG_DIR/$NAME.ovpn ; then
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log_daemon_msg " Starting VPN '$NAME'"
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start_vpn
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else
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log_failure_msg " Starting VPN '$NAME': missing $CONFIG_DIR/$NAME.ovpn file !"
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STATUS=1
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fi
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done
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fi
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exit ${STATUS:-0}
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;;
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stop)
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log_action_begin_msg "Stopping $DESC"
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if test -z "$2" ; then
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for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do
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NAME=`echo $PIDFILE | cut -c14-`
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NAME=${NAME%%.pid}
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log_daemon_msg " Stopping VPN '$NAME'"
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stop_vpn
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done
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if test -z "$PIDFILE" ; then
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log_warning_msg " No VPN is running."
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fi
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else
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while shift ; do
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[ -z "$1" ] && break
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if test -e /run/openvpn/$1.pid ; then
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log_daemon_msg " Stopping VPN '$1'"
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PIDFILE=`ls /run/openvpn/$1.pid 2> /dev/null`
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NAME=`echo $PIDFILE | cut -c14-`
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NAME=${NAME%%.pid}
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stop_vpn
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else
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log_failure_msg " Stopping VPN '$1': No such VPN is running."
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fi
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done
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fi
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;;
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# Only 'reload' running VPNs. New ones will only start with 'start' or 'restart'.
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reload|force-reload)
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log_action_begin_msg "Reloading $DESC"
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for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do
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NAME=`echo $PIDFILE | cut -c14-`
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NAME=${NAME%%.pid}
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# If openvpn if running under a different user than root we'll need to restart
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if egrep '^[[:blank:]]*user[[:blank:]]' $CONFIG_DIR/$NAME.ovpn > /dev/null 2>&1 ; then
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log_daemon_msg " Stopping VPN '$NAME'"
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stop_vpn
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log_daemon_msg " Restarting VPN '$NAME'"
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start_vpn
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else
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log_daemon_msg " Restarting VPN '$NAME'"
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kill -HUP `cat $PIDFILE` || true
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log_end_msg 0
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fi
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done
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if test -z "$PIDFILE" ; then
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log_warning_msg " No VPN is running."
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fi
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;;
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# Only 'soft-restart' running VPNs. New ones will only start with 'start' or 'restart'.
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soft-restart)
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log_action_begin_msg "Soft-restarting $DESC"
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for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do
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NAME=`echo $PIDFILE | cut -c14-`
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NAME=${NAME%%.pid}
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log_daemon_msg " Soft-restarting VPN '$NAME'"
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kill -USR1 `cat $PIDFILE` || true
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log_end_msg 0
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done
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if test -z "$PIDFILE" ; then
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log_warning_msg " No VPN is running."
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fi
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;;
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restart)
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shift
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$0 stop ${@}
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$0 start ${@}
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;;
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cond-restart)
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log_action_begin_msg "Restarting $DESC"
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for PIDFILE in `ls /run/openvpn/*.pid 2> /dev/null`; do
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NAME=`echo $PIDFILE | cut -c14-`
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NAME=${NAME%%.pid}
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log_daemon_msg " Stopping VPN '$NAME'"
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stop_vpn
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log_daemon_msg " Restarting VPN '$NAME'"
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start_vpn
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done
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if test -z "$PIDFILE" ; then
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log_warning_msg " No VPN is running."
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fi
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;;
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status)
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GLOBAL_STATUS=0
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if test -z "$2" ; then
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# We want status for all defined VPNs.
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# Returns success if all autostarted VPNs are defined and running
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if test "x$AUTOSTART" = "xnone" ; then
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# Consider it a failure if AUTOSTART=none
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log_warning_msg "No VPN autostarted"
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GLOBAL_STATUS=1
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else
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if ! test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then
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# Consider it a failure if one of the autostarted VPN is not defined
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for VPN in $AUTOSTART ; do
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if ! test -f $CONFIG_DIR/$VPN.conf ; then
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log_warning_msg "VPN '$VPN' is in AUTOSTART but is not defined"
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GLOBAL_STATUS=1
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fi
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done
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fi
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fi
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for CONFIG in `cd $CONFIG_DIR; ls *.conf 2> /dev/null`; do
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NAME=${CONFIG%%.conf}
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# Is it an autostarted VPN ?
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if test -z "$AUTOSTART" -o "x$AUTOSTART" = "xall" ; then
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AUTOVPN=1
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else
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if test "x$AUTOSTART" = "xnone" ; then
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AUTOVPN=0
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else
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AUTOVPN=0
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for VPN in $AUTOSTART; do
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if test "x$VPN" = "x$NAME" ; then
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AUTOVPN=1
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fi
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done
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fi
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fi
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if test "x$AUTOVPN" = "x1" ; then
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# If it is autostarted, then it contributes to global status
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status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}'" || GLOBAL_STATUS=1
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else
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status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}' (non autostarted)" || true
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fi
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done
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else
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# We just want status for specified VPNs.
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# Returns success if all specified VPNs are defined and running
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while shift ; do
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[ -z "$1" ] && break
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NAME=$1
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if test -e $CONFIG_DIR/$NAME.ovpn ; then
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# Config exists
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status_of_proc -p /run/openvpn/${NAME}.pid openvpn "VPN '${NAME}'" || GLOBAL_STATUS=1
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else
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# Config does not exist
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log_warning_msg "VPN '$NAME': missing $CONFIG_DIR/$NAME.ovpn file !"
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GLOBAL_STATUS=1
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fi
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done
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fi
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exit $GLOBAL_STATUS
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;;
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*)
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echo "Usage: $0 {start|stop|reload|restart|force-reload|cond-restart|soft-restart|status}" >&2
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exit 1
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;;
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esac
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exit 0
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# vim:set ai sts=2 sw=2 tw=0:
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