mirror of
https://gitea.blesmrt.net/mikaela/scripts.git
synced 2024-12-23 11:12:48 +01:00
Mikaela Suomalainen
261fba4f6e
`2015-06-01 22:12:20+0300 < jima> without the trailing dot you run the risk of it appending the search domain from dhcp, which, in some cases, can have "interesting" results`
57 lines
1.6 KiB
Bash
Executable File
57 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# This script is based on cf-ddns.sh found at
|
|
# <https://gist.github.com/larrybolt/6295160> and it's comments.
|
|
# Inspiration also took from
|
|
# <https://github.com/commx/ydns/blob/master/updater.sh> which is a lot
|
|
# more complex than this.
|
|
|
|
# Basic usage (as root):
|
|
# curl -L https://github.com/Mikaela/scripts/raw/gh-pages/bash/ydns-simple > /usr/local/bin/ydns-simple
|
|
# chmod 700 /usr/local/bin/ydns-simple
|
|
## Copy-paste the following to your crontab without the #
|
|
# */5 * * * * /usr/local/bin/ydns-simple >/dev/null 2>&1
|
|
|
|
|
|
# yDNS details
|
|
USEREMAIL=""
|
|
PASSWORD=""
|
|
HOSTNAME=""
|
|
|
|
# Get IPv4 address
|
|
WAN_IP4=$(dig +short myip.opendns.com. @208.67.220.220)
|
|
if [ -f $HOME/.wan_ip4-ydns.txt ]; then
|
|
OLD_WAN_IP4=$(cat $HOME/.wan_ip4-ydns.txt)
|
|
else
|
|
echo "No file, need IP4"
|
|
OLD_WAN_IP4=""
|
|
fi
|
|
|
|
# Get IPv6 address
|
|
WAN_IP6=$(dig +short myip.opendns.com. AAAA @2620:0:ccd::2)
|
|
if [ -f $HOME/.wan_ip6-ydns.txt ]; then
|
|
OLD_WAN_IP6=$(cat $HOME/.wan_ip6-ydns.txt)
|
|
else
|
|
echo "No file, need IP6"
|
|
OLD_WAN_IP6=""
|
|
fi
|
|
|
|
# Update IPv4
|
|
if [ "$WAN_IP4" = "$OLD_WAN_IP4" ]; then
|
|
echo "IP4 Unchanged"
|
|
else
|
|
echo $WAN_IP4 > $HOME/.wan_ip4-ydns.txt
|
|
echo "Updating DNS to $WAN_IP4"
|
|
curl -4 --basic -u "$USEREMAIL:$PASSWORD" --silent \
|
|
https://ydns.eu/api/v1/update/?host=$HOSTNAME
|
|
fi
|
|
|
|
# Update IPv6
|
|
if [ "$WAN_IP6" = "$OLD_WAN_IP6" ]; then
|
|
echo "IP6 Unchanged"
|
|
else
|
|
echo $WAN_IP6 > $HOME/.wan_ip6-ydns.txt
|
|
echo "Updating DNS to $WAN_IP6"
|
|
curl -6 --basic -u "$USEREMAIL:$PASSWORD" --silent \
|
|
https://ydns.eu/api/v1/update/?host=$HOSTNAME
|
|
fi
|