BFO2LSDF [FEATURE]: use openvpn instead of vpnc

BFO2LSDF.sh

@@ -36,7 +36,8 @@
 # ============================================================================
 #
 
-TUN_INTERFACE=tun0
+# VPN tunnel interface
+TUN_INTERFACE=tap0
 # approx. 80% of 256 kBit/second
 BWLIMIT=20
 EXCLUDE="--exclude='.lock'"
@@ -97,18 +98,26 @@ do
     ${LOGGER} -i -p user.info "${LOGINFO}  VPN connection already had been \
       established using IP ${tunIPs}."
   else
-    # start juniper network client
-    ${JNC} --nox kit > /dev/null 2>&1
+    # start openvpn (requires appropriate system configuration)
+    sudo /usr/sbin/openvpn /etc/openvpn/scc.ovpn.bromo > /dev/null 2>&1
     if [ $? -ne 0 ]
     then
       ${LOGGER} -i -p user.err "${LOGERROR}  Could not establish VPN \
         connection."
       exit 2
     else
-      tunIPs=$(${IP} addr show ${TUN_INTERFACE} | ${GREP} -e "inet" | \
-        awk '{print $2}')
-      ${LOGGER} -i -p user.info "${LOGINFO}  VPN connection successfully \
-        established using IP ${tunIPs}."
+      ${IP} addr show ${TUN_INTERFACE} > /dev/null 2>&1
+      if [ $? -eq 0 ]
+      then
+        tunIPs=$(${IP} addr show ${TUN_INTERFACE} | ${GREP} -e "inet" | \
+          awk '{print $2}')
+        ${LOGGER} -i -p user.info "${LOGINFO}  VPN connection already had been \
+          established using IP ${tunIPs}."
+      else
+        ${LOGGER} -i -p user.err "${LOGERROR}  Could not establish VPN \
+          connection."
+        exit 2
+      fi
     fi
   fi