VPNC-no-default-settings

no-defaults.sh

#!/bin/sh
# this disables changes to /etc/resolv.conf
INTERNAL_IP4_DNS=
# this disables setting the default route and sets a route to the network
CISCO_SPLIT_INC=1
CISCO_SPLIT_INC_0_ADDR="$(echo "${INTERNAL_IP4_ADDRESS}" | cut -d. -f 1-3)".0
CISCO_SPLIT_INC_0_MASK=255.255.255.0
CISCO_SPLIT_INC_0_MASKLEN=24

# This function will add a route to the network. The cisco split inc will work fine unless you are in the network
# you are connecting to. Then it will replace the route to the network with the tun device and there wont be a
# connection. To avoid this, you can set CISCO_SPLIT_INC=0 and use the set_my_route_to_network function.
set_my_route_to_network() {
        if test "${reason}" = "connect"; then
                network_prefix="$(echo "${INTERNAL_IP4_ADDRESS}" | cut -d. -f 1-3)"
                ip route add "${network_prefix}.0/24" dev "${TUNDEV}"
        fi
}

# Trap function, because the vpnc-script will exit
# trap set_my_route_to_network EXIT
. /usr/share/vpnc-scripts/vpnc-script
# Enable in config file via:
# Script /etc/vpnc/no-defaults.sh