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IPv6 DDNS client
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| #!/bin/bash | |
| # https://community.ubnt.com/t5/EdgeMAX/IPv6-DDNS-script/td-p/1082829 | |
| run=/opt/vyatta/bin/vyatta-op-cmd-wrapper | |
| domain=leaf.bret.io | |
| key=DDNSAUTHKEY | |
| updateurl="https://${domain}:${key}@ipv6.dyn.dns.he.net/nic/update?hostname=${domain}" | |
| interface=eth1 | |
| lastipv6=`cat /config/ipv6address` | |
| outsideipv6=`$run show interfaces ethernet $interface brief | grep "[0-9abcdef]*:[0-9abcdef:]*/"|tr -d '[:space:]'|cut -d/ -f1` | |
| if test `find "/config/ipv6address" -mmin +10080` || [ "$lastipv6" != "$outsideipv6" ] | |
| then | |
| echo "Over one week since update or Changed IPv6" | |
| curl -k -6 "${updateurl}" | |
| echo $outsideipv6 > /config/ipv6address | |
| fi | |
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