openvpn.init

   1 #!/bin/sh
   2 #
   3 # openvpn       Start/stop the VPN daemon.
   4 #
   5 # chkconfig:    2345 11 89
   6 #
   7 # description:  OpenVPN is a robust and highly configurable VPN (Virtual \
   8 #               Private Network) daemon
   9 #
  10
  11 # Get service config
  12 [ -f /etc/sysconfig/openvpn ] && . /etc/sysconfig/openvpn
  13
  14 [ -n "$2" ] && TUNNELS="$2"
  15
  16 # no tunnels. exit silently
  17 if [ -z "$TUNNELS" ]; then
  18         case "$1" in
  19         start|stop|restart|reload|force-reload)
  20                 exit 0
  21                 ;;
  22         esac
  23 fi
  24
  25 # Source function library
  26 . /etc/rc.d/init.d/functions
  27
  28 # Source networking configuration.
  29 . /etc/sysconfig/network
  30
  31 # check if the tunnel $1 is up
  32 tunlup() {
  33         local tun="$1"
  34         local pidfile=/var/run/openvpn/$tun.pid
  35         local pid=$(cat $pidfile 2>/dev/null)
  36         kill -0 $pid 2>/dev/null
  37         return $?
  38 }
  39
  40 # check if all the configured tunnels are up
  41 tunlsup() {
  42         ret=0
  43         for tun in $TUNNELS; do
  44                 tunlup $tun && continue
  45                 ret=1
  46         done
  47         return $ret
  48 }
  49
  50 start() {
  51         # Check if the service is already running?
  52         if tunlsup; then
  53                 msg_already_running "OpenVPN"
  54                 return
  55         fi
  56
  57         msg_starting "OpenVPN"; started
  58         for tun in $TUNNELS; do
  59                 config="/etc/openvpn/$tun.conf"
  60                 if [ ! -f "$config" ]; then
  61                         nls "Invalid tunnel \`%s': missing config: %s" $tun "$config"
  62                         fail
  63                         RET=1
  64                 else
  65                         show "Starting OpenVPN tunnel %s" "$tun"
  66                         if tunlup $tun; then
  67                                 started
  68                                 continue
  69                         fi
  70
  71                         daemon --pidfile /var/run/openvpn/$tun.pid /usr/sbin/openvpn --daemon --writepid /var/run/openvpn/$tun.pid \
  72                                 --config $config --cd /etc/openvpn ${OPENVPN_OPT}
  73                         RET=$?
  74                 fi
  75                 [ $RETVAL -eq 0 ] && RETVAL=$RET
  76         done
  77         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/openvpn
  78 }
  79
  80 stop() {
  81         if ! tunlsup; then
  82                 msg_not_running "OpenVPN"
  83                 return
  84         fi
  85
  86         # Stop daemons.
  87         msg_stopping "OpenVPN"; started
  88         for tun in $TUNNELS; do
  89                 pidfile=/var/run/openvpn/$tun.pid
  90                 [ -f "$pidfile" ] || continue
  91                 pid=`cat "$pidfile"`
  92                 show "Stopping OpenVPN tunnel %s" "$tun"; busy
  93                 killproc --pidfile openvpn/$tun.pid || err=1
  94         done
  95         rm -f /var/lock/subsys/openvpn >/dev/null 2>&1
  96 }
  97
  98 reload() {
  99         if ! tunlsup; then
 100                 msg_not_running "OpenVPN"
 101                 RETVAL=7
 102                 return
 103         fi
 104
 105         msg_reloading "OpenVPN"; started
 106         for tun in $TUNNELS; do
 107                 show "Reloading OpenVPN tunnel %s" "$tun"
 108                 killproc --pidfile openvpn/$tun.pid openvpn -HUP
 109                 [ $? -ne 0 -a $RETVAL -eq 0 ] && RETVAL=7
 110         done
 111 }
 112
 113 status() {
 114         nls "Configured tunnels:"
 115         echo " $TUNNELS"
 116         nls "Currently active tunnels:"
 117         for pidfile in /var/run/openvpn/*.pid; do
 118                 [ -f "$pidfile" ] || continue
 119                 tun=${pidfile#/var/run/openvpn/}
 120                 tun=${tun%.pid}
 121                 tunlup $tun && echo -n " $tun($(cat $pidfile))"
 122         done
 123         echo ""
 124         nm_ovpn_pid=$(ps -o pid= -C nm-openvpn-service | xargs)
 125         if [ "$nm_ovpn_pid" ]; then
 126                 nls "NM ($nm_ovpn_pid) managed OpenVPN sessions"
 127                 ps -o pid,user,command --ppid=$nm_ovpn_pid
 128         fi
 129         tunlsup
 130         RETVAL=$?
 131 }
 132
 133 RETVAL=0
 134 # See how we were called.
 135 case "$1" in
 136   start)
 137         start
 138         ;;
 139   stop)
 140         stop
 141         ;;
 142   reload|force-reload)
 143         reload
 144         ;;
 145   restart)
 146         stop
 147         sleep 1
 148         start
 149         ;;
 150   status)
 151         status
 152         ;;
 153   *)
 154         msg_usage "$0 {start|stop|restart|reload|force-reload|status}"
 155         exit 3
 156         ;;
 157 esac
 158
 159 exit $RETVAL