nextcloudpi/bin/ncp/NETWORKING/namecheapDNS.sh
nachoparker c10d4bd8fb upgrade to NC21.0.4
Signed-off-by: nachoparker <nacho@ownyourbits.com>
2021-09-12 16:55:46 -06:00

74 lines
2.4 KiB
Bash

#!/bin/bash
# Namecheap DNS updater client installation on Raspbian
#
# Copyleft 2020 by ndunks and Huizerd
# GPL licensed (see end of file) * Use at your own risk!
#
# Based on:
# - https://gist.github.com/ndunks/c756030c0757b667c9a478c97ca5a9b7
# - https://www.namecheap.com/support/knowledgebase/article.aspx/29/11/how-do-i-use-a-browser-to-dynamically-update-the-hosts-ip
#
# Further steps to be taken:
# - Buying a Namecheap domain
# - https://www.namecheap.com/support/knowledgebase/article.aspx/595/11/how-do-i-enable-dynamic-dns-for-a-domain/
# - https://www.namecheap.com/support/knowledgebase/article.aspx/43/11/how-do-i-set-up-a-host-for-dynamic-dns
install()
{
apt-get update
apt-get install --no-install-recommends -y dnsutils
}
configure()
{
local updateurl=https://dynamicdns.park-your-domain.com/update
local url="${updateurl}?host=${HOST}&domain=${DOMAIN}&password=${PASSWORD}"
[[ $ACTIVE != "yes" ]] && {
rm -f /etc/cron.d/namecheapDNS
service cron restart
echo "Namecheap DNS client is disabled"
return 0
}
cat > /usr/local/bin/namecheapdns.sh <<EOF
#!/bin/bash
echo "Namecheap DNS client started"
registeredIP=\$(dig +short "$FULLDOMAIN"|tail -n1)
currentIP=\$(wget -q -O - http://checkip.dyndns.org|sed s/[^0-9.]//g)
echo "${url}&ip=${currentIP}"
[ "\$currentIP" != "\$registeredIP" ] && {
wget -q -O /dev/null "${url}&ip=${currentIP}"
}
echo "Registered IP: \$registeredIP | Current IP: \$currentIP"
EOF
chmod +744 /usr/local/bin/namecheapdns.sh
echo "*/${UPDATEINTERVAL} * * * * root /bin/bash /usr/local/bin/namecheapdns.sh" > /etc/cron.d/namecheapDNS
chmod 644 /etc/cron.d/namecheapDNS
service cron restart
set-nc-domain "$FULLDOMAIN"
echo "Namecheap DNS client is enabled"
}
# License
#
# This script is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA