forum.excito.org

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# /etc/ddclient.conf

daemon=7200

pid=/var/run/ddclient.pid
protocol=dyndns2
custom=yes
use=web, web=dns.loopia.se/checkip/checkip.php,
web-skip='Current IP Address:'
server=dns.loopia.se/XDynDNSServer/XDynDNS.php
#noforce

login=<Loopia username>
password=<Loopia password>

wildcard=yes
domain1.se
domain2.se
domain3.se

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curl -s --user '[USER]:[PASSWD]' "http://dns.loopia.se/XDynDNSServer/XDynDNS.php?hostname=[DOMAIN]
&myip="`curl -s dns.loopia.se/checkip/checkip.php |sed 's/^.*: \([^<]*).*$/\1/'` ; echo

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curl -s --user 'abcde.nu:12345' "http://dns.loopia.se/XDynDNSServerXDynDNS.php?hostname=abcde.nu
&myip="`curl -s dns.loopia.se/checkip/checkip.php |sed 's/^.*: \([^<]*).*$/\1/'` ; echo

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nochg

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curl -s --user 'abcde.nu:12345' "http://dns.loopia.se/XDynDNSServer/XDynDNS.php?hostname=abcde.nu&myip="`curl -s dns.loopia.se/checkip/checkip.php |sed 's/^.*: \([^<]*\).*$/\1/'` ; echo

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crontab -e

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*/15 * * * * /home/[user]/loopiadns.bat >/dev/null 2>&1

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#!/bin/bash 
# spam@jxvf.net

username="abc123"
password="abc123"
domainname="abc1.nu abc2.nu"

# set this to your ip address to override the lookup
ip="auto"

# log options
uselog="1"
logfile="$HOME/dnsupdate.log"


# curl options
# use default, if that fails with ssl errors, sort out your certs
# used by libcurl or use customcacert.
# to get a bundle collected from mozilla run:
# curl http://curl.haxx.se/ca/cacert.pem > $HOME/.curl_cacert.pem
#
# customcacert = uses a custom cacert pem bundle defined below,
# ignorecert = ignores errors. not recommended
#
curloption="customcacert"

# path to custom cacert
cacert="$HOME/.curl_cacert.pem"

# disable ssl, this is NOT recommended.
disablessl="0"

# where to store saved ip data
ipfile="$HOME/.dnsupdate_lastip.log"

# if you get errors and your curl supports ssl disable this
sslcheck="1"

#######################################################
allowroot="0"
log="$(date '+%b %e %T') updatedns:"
#######################################################

case $curloption in
	ignorecert) curlopt="-s -S -k" ;;
	customcacert) curlopt="-s -S --cacert $cacert" ;;
	*) curlopt="-s -S"
esac

PRINT_USAGE () {
	echo "Usage: updatedns.sh [update|force|showip]"
	echo "      if no option is given a normal update will be issued"
	echo "      and output will be written to \$logfile if \$uselog is"
	echo "      set"
	echo 
	echo " update"
	echo "      same as default but will not redirect output to \$logfile"
	echo
	echo " force"  
	echo "      forces an update to your domainname(s) with loopia, regardless"
	echo "      if your ip has not changed. will not redirect to \$logfile"
	echo
	echo " showip"
	echo "      shows your current ip and the ip saved on file"
}

UPDATE () {
	if [ "$uselog" == "1" ] && [ "$1" != "force" ] && [ "$1" != "update" ]; then
		exec >> $logfile 2>&1 
	fi
	if [ $(id -u) == "0" ] && [ "$allowroot" != 1 ]; then
		echo "$log error: wont run as root"
		exit 1
	fi

	if [ "$disablessl" == "1" ]; then
		protocol="http"
	else
		GETPROTOCOL
	fi
	if [ -z "$password" ] || [ -z "$username" ]; then
		echo "$log error: username or password not set"
		exit 1
	elif [ -z "$domainname" ]; then
		echo "$log error: domainname not set"
		exit 1
	elif [ "$curloption" == "customcacert" ] && [ ! -f "$cacert" ]; then
		echo "$log error: $cacert not found"
		exit 1
	fi
	OLDIP
	if [ "$ip" == auto ]; then
		GETIP
	fi
	if [ "$ip" != "$oldip" ] || [ "$1" == "force" ]; then
		for i in $domainname ; do 
			if ! sethost="$(curl $curlopt --user "$username":"$password" ""$protocol"://dns.loopia.se/XDynDNSServer/XDynDNS.php?hostname="$i"&myip="$ip"")" ; then
				echo "$log error: could not update host=$i ip=$ip"
			elif [ "$sethost" != "good" ]; then
				echo "$log error: could not update host=$i ip=$ip response=$sethost"
			else
				echo "$log info: updated host=$i ip=$ip response=$sethost"
				echo "$ip" > "$ipfile"
			fi
		done
	else
		echo "$log info: ip has not changed, not updating ip=$ip"
	fi
}

GETIP () {
	if ipc=$(curl $curlopt $protocol://dns.loopia.se/checkip/checkip.php) ; then
		ip=$(echo "$ipc"|sed -n 's/^.*[^0-9]\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\).*$/\1/p')	
	else
		echo "$log error: could not get ip number"
		exit 1
	fi
}

OLDIP () {
	if [ -f "$ipfile" ]; then
		if ! oldip="$(cat $ipfile|egrep "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$")"; 
then
			echo "$log error: cant parse $ipfile"
			exit 1
		fi
	fi
}

GETPROTOCOL () {
	if [ "$(curl -V|grep Protocols|grep https)" ] || [ "$check_ssl" == "0"  ]; then 
		protocol="https"
	else
		echo "$log error: your version of curl does not seem to support ssl for https."
		exit 1
	fi
}

SHOWIP () {
	GETPROTOCOL
	GETIP
	OLDIP
	echo "current: $ip"
	echo "saved: $oldip"
}

if [ -z "$1" ]; then
	UPDATE
else
	case $1 in
		force) UPDATE force ;;
		showip) SHOWIP ;;
		update) UPDATE update ;;
		*) PRINT_USAGE
	esac
fi