Created
January 28, 2021 20:59
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#!/bin/sh | |
# | |
# Sonic & he.net tunnel configuration script, appropriate for usage in | |
# dhcp-exit-hooks. Tested on FreeBSD 12.2-STABLE | |
set -x -u -e | |
if [ "$1" = "he" ]; then | |
server_v4="72.52.104.74" | |
server_v6="2001:470:803d::1" | |
client_v6="2001:470:803d::2" | |
prefixlen=128 | |
int_gateway="2001:470:803d:1024::1" | |
lab_gateway="2001:470:803d:cafe::1" | |
elif [ "$1" = "sonic" ]; then | |
server_v4="208.201.234.221" | |
server_v6="2001:05a8:0000:0001:0000:0000:0000:28aa" | |
client_v6="2001:05a8:0000:0001:0000:0000:0000:28ab" | |
prefixlen=127 | |
int_gateway="2001:5a8:4:320::1" | |
lab_gateway="2001:5a8:4:321::1" | |
else | |
echo "please specify 'he' or 'sonic'" | |
fi | |
# DHCP makes me sad | |
client_v4=$(ifconfig em2| grep inet | awk '{print $2 }') | |
# Configure internal gateway IP's | |
ifconfig igb0 inet6 "${int_gateway}" prefixlen 64 | |
ifconfig em0 inet6 "${lab_gateway}" prefixlen 64 | |
ifconfig gif0 destroy | |
ifconfig gif0 create | |
ifconfig gif0 tunnel "${client_v4}" "${server_v4}" | |
# This seems crazy - is it necessary? | |
if [ "${prefixlen}" = 128 ]; then | |
ifconfig gif0 inet6 "${client_v6}" "${server_v6}" prefixlen "${prefixlen}" | |
else | |
ifconfig gif0 inet6 "${client_v6}/${prefixlen}" | |
fi | |
route -n add -inet6 default "${server_v6}" | |
ifconfig gif0 up | |
echo "${int_gateway} and ${lab_gateway} should be routable" | |
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