ddns 免费 ipv6

dynv6

#!/bin/bash
hostname="域名
device="网卡明"
token="dynv6 token"

file=$HOME/.dynv6.addr6
[ ! -e "$file" ] && touch "$file"

[ -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 $device"
fi
address=$(ip -6 addr list scope global $device | grep -v " fd" | sed -n 's/.*inet6 \([0-9a-f:]\+\).*/\1/p' | head -n 1)


bin="curl -fsS";

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

echo $current
# send addresses to dynv6
# ipv4
$bin "http://dynv6.com/api/update?hostname=$hostname&ipv6=$current&token=$token"
# ipv4
#$bin "http://ipv4.dynv6.com/api/update?hostname=$hostname&ipv4=auto&token=$token"