netcfg-openvpn/openvpn

   1 #! /bin/bash
   2 . /usr/lib/network/network
   3
   4 openvpn_up() {
   5     load_profile $1
   6     [[ -z "$OVPN_CONFIG" ]] && OVPN_CONFIG="/etc/openvpn/openvpn.conf"
   7     [[ -z "$OVPN_PID_FILE" ]] && OVPN_PID_FILE="/var/run/openvpn-$1.pid"
   8     [[ -z "$OVPN_FLAGS" ]] && OVPN_FLAGS=""
   9
  10     OVPN_CONF_DIR="`dirname $OVPN_CONFIG`"
  11     OVPN_CONF_FILE="`basename $OVPN_CONFIG`"
  12
  13     /usr/sbin/openvpn --writepid $OVPN_PID_FILE --daemon --cd "$OVPN_CONF_DIR" --config "$OVPN_CONF_FILE" $OVPN_FLAGS
  14
  15     if [[ $? -ne 0 ]]; then
  16        report_fail "OpenVPN connection failed"
  17        exit 1
  18     fi
  19
  20     # Generate a new resolv.conf
  21     if [[ -n "$DNS" ]]; then
  22         [[ -e /etc/resolv.conf ]] && cp /etc/resolv.conf /tmp/openvpn-$1-resolv.conf
  23         : >/etc/resolv.conf
  24         [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
  25         [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf
  26
  27         for dns in "${DNS[@]}"; do
  28             echo "nameserver $dns" >>/etc/resolv.conf
  29         done
  30     elif [[ -n "$DNS1" ]]; then # support older 'ethernet' syntax.
  31         [[ -e /etc/resolv.conf ]] && cp /etc/resolv.conf /tmp/openvpn-$1-resolv.conf
  32         : >/etc/resolv.conf
  33         [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
  34         [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf
  35         [[ -n "$DNS1" ]]   && echo "nameserver $DNS1" >>/etc/resolv.conf
  36         [[ -n "$DNS2" ]]   && echo "nameserver $DNS2" >>/etc/resolv.conf
  37     fi
  38 }
  39
  40 openvpn_down() {
  41     load_profile $1
  42     [[ -z "$OVPN_PID_FILE" ]] && OVPN_PID_FILE="/var/run/openvpn-$1.pid"
  43
  44     kill $(head -1 $OVPN_PID_FILE)
  45     rm $OVPN_PID_FILE
  46
  47     # Restore an old resolv.conf
  48     if [[ -e /tmp/openvpn-$1-resolv.conf ]]; then
  49         mv -f /tmp/openvpn-$1-resolv.conf /etc/resolv.conf
  50     fi
  51 }
  52
  53 openvpn_$1 $2
  54 exit $?
  55 # vim: set ts=4 et sw=4: