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 "$1" in
  19         start|stop|restart|reload|force-reload)
  20                 exit 0
  21                 ;;
  22         esac
  23 fi
  24
  25 # Source function library
  26 . /etc/rc.d/init.d/functions
  27
  28 # Source networking configuration.
  29 . /etc/sysconfig/network
  30
  31 # Check that networking is up.
  32 if is_yes "${NETWORKING}"; then
  33         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  34                 msg_network_down OpenVPN
  35                 exit 1
  36         fi
  37 else
  38         exit 0
  39 fi
  40
  41 # check if the tunnel $1 is up
  42 tunlup() {
  43         local tun="$1"
  44         local pidfile=/var/run/openvpn/$tun.pid
  45         local pid=$(cat $pidfile 2>/dev/null)
  46         kill -0 $pid 2>/dev/null
  47         return $?
  48 }
  49
  50 # check if all the configured tunnels are up
  51 tunlsup() {
  52         ret=0
  53         for tun in $TUNNELS; do
  54                 tunlup $tun && continue
  55                 ret=1
  56         done
  57         return $ret
  58 }
  59
  60 start() {
  61         # Check if the service is already running?
  62         if ! tunlsup; then
  63                 msg_starting "OpenVPN"; started
  64                 for tun in $TUNNELS; do
  65                         config="/etc/openvpn/$tun.conf"
  66                         if [ ! -f "$config" ]; then
  67                                 nls "Invalid tunnel \`%s': missing config: %s" $tun "$config"
  68                                 fail
  69                                 RET=1
  70                         else
  71                                 show "Starting OpenVPN tunnel %s" "$tun"
  72                                 if tunlup $tun; then
  73                                         started
  74                                         continue
  75                                 fi
  76
  77                                 daemon openvpn --daemon --writepid "/var/run/openvpn/$tun.pid" \
  78                                         --config $config --cd /etc/openvpn
  79                                 RET=$?
  80                         fi
  81                         [ $RETVAL -eq 0 ] && RETVAL=$RET
  82                 done
  83                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/openvpn
  84         else
  85                 msg_already_running "OpenVPN"
  86         fi
  87 }
  88
  89 stop() {
  90         if tunlsup; then
  91                 # Stop daemons.
  92                 msg_stopping "OpenVPN"; started
  93                 for tun in $TUNNELS; do
  94                         pidfile=/var/run/openvpn/$tun.pid
  95                         [ -f "$pidfile" ] || continue
  96                         pid=`cat "$pidfile"`
  97                         show "Stopping OpenVPN tunnel %s" "$tun"; busy
  98                         killproc --pidfile openvpn/$tun.pid || err=1
  99                 done
 100                 rm -f /var/lock/subsys/openvpn >/dev/null 2>&1
 101         else
 102                 msg_not_running "OpenVPN"
 103         fi
 104 }
 105
 106 RETVAL=0
 107 # See how we were called.
 108 case "$1" in
 109   start)
 110         start
 111         ;;
 112   stop)
 113         stop
 114         ;;
 115   reload|force-reload)
 116         if tunlsup; then
 117                 msg_reloading "OpenVPN"; started
 118                 for tun in $TUNNELS; do
 119                         show "Reloading OpenVPN tunnel %s" "$tun"
 120                         killproc --pidfile openvpn/$tun.pid openvpn -HUP
 121                         [ $? -ne 0 -a $RETVAL -eq 0 ] && RETVAL=7
 122                 done
 123         else
 124                 msg_not_running OpenVPN
 125                 exit 7
 126         fi
 127         ;;
 128   restart)
 129         stop
 130         sleep 1
 131         start
 132         exit $?
 133         ;;
 134   status)
 135         nls "Configured tunnels:"
 136         echo " $TUNNELS"
 137         nls "Currently active tunnels:"
 138         for pidfile in /var/run/openvpn/*.pid; do
 139                 [ -f "$pidfile" ] || continue
 140                 tun=${pidfile#/var/run/openvpn/}
 141                 tun=${tun%.pid}
 142                 tunlup $tun && echo -n " $tun($(cat $pidfile))"
 143         done
 144         echo ""
 145         tunlsup
 146         exit $?
 147         ;;
 148   *)
 149         msg_usage "$0 {start|stop|restart|reload|force-reload|status}"
 150         exit 3
 151         ;;
 152 esac
 153
 154 exit $RETVAL