# List of parameters passed through environment
# - reason -- why this script is called:
# pre-init, connect, disconnect
-# - VPNGATEWAY -- public address of vpn gateway
-# - TAPDEV -- tap device
+# - GOVPN_REMOTE -- public address of VPN gateway
+# - GOVPN_IFACE -- tap device
# - INTERNAL_IP4_ADDRESS -- e.g. 172.0.0.2/24
# - INTERNAL_IP4_GATEWAY -- e.g. 172.0.0.1
set_up_dev() {
- ip tuntap add dev $TAPDEV mode tap
+ ip tuntap add dev $GOVPN_IFACE mode tap
}
tear_down_dev() {
- ip tuntap del dev $TAPDEV mode tap
+ ip tuntap del dev $GOVPN_IFACE mode tap
}
do_connect() {
local OLDGW=$(ip route show 0/0 | sed 's/^default//')
- ip link set dev $TAPDEV up
- ip addr add $INTERNAL_IP4_ADDRESS dev $TAPDEV
- ip route add $VPNGATEWAY $OLDGW
- ip route add 0/1 via $INTERNAL_IP4_GATEWAY dev $TAPDEV
- ip route add 128/1 via $INTERNAL_IP4_GATEWAY dev $TAPDEV
+ ip link set dev $GOVPN_IFACE up
+ ip addr add $INTERNAL_IP4_ADDRESS dev $GOVPN_IFACE
+ ip route add $GOVPN_REMOTE $OLDGW
+ ip route add 0/1 via $INTERNAL_IP4_GATEWAY dev $GOVPN_IFACE
+ ip route add 128/1 via $INTERNAL_IP4_GATEWAY dev $GOVPN_IFACE
}
do_disconnect() {
- ip route del $VPNGATEWAY
+ ip route del $GOVPN_REMOTE
}