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Update script for dynv6.com to set your IPv4 address and IPv6 prefix
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#!/bin/sh -e | |
hostname=$1 | |
device=$2 | |
file=$HOME/.dynv6.addr6 | |
[ -e $file ] && old=`cat $file` | |
if [ -z "$hostname" -o -z "$token" ]; then | |
echo "Usage: token=<your-authentication-token> [netmask=64] $0 your-name.dynv6.net [device]" | |
exit 1 | |
fi | |
if [ -z "$netmask" ]; then | |
netmask=128 | |
fi | |
if [ -n "$device" ]; then | |
device="dev $device" | |
fi | |
# start modification - made windows compatible -> working using git bash | |
curl -o responseFile.txt "http://myexternalip.com/raw" 2> /dev/null | |
address=$(cat responseFile.txt) | |
echo $address | |
# end modification | |
# address=$(ip -6 addr list scope global $device | grep -v " fd" | sed -n 's/.*inet6 \([0-9a-f:]\+\).*/\1/p' | head -n 1) | |
if [ -e /usr/bin/curl ]; then | |
bin="curl -fsS" | |
elif [ -e /usr/bin/wget ]; then | |
bin="wget -O-" | |
else | |
echo "neither curl nor wget found" | |
exit 1 | |
fi | |
if [ -z "$address" ]; then | |
echo "no IPv6 address found" | |
exit 1 | |
fi | |
# address with netmask | |
current=$address/$netmask | |
if [ "$old" = "$current" ]; then | |
echo "IPv6 address unchanged" | |
exit | |
fi | |
# send addresses to dynv6 | |
$bin "http://dynv6.com/api/update?hostname=$hostname&ipv6=$current&token=$token" | |
$bin "http://ipv4.dynv6.com/api/update?hostname=$hostname&ipv4=auto&token=$token" | |
# save current address | |
echo $current > $file |
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