Loopia dynamic dns updater

Sunday, 07 March 2010 21:18



#!/bin/bash



# Config



Username="username"

Password="password"

Hostname="sub.domain.com"



daemon=3600                              	# check every 3600 seconds (one hour)

syslog=yes                              	# log update msgs to syslog

pidfile=/var/run/loopiaddclient.pid         # record PID in file.





# Do not edit bellow this line



if [ -f "${pidfile}" ]; then



  # The file exists so read the PID

  # to see if it is still running

  MYPID=`head -n 1 $pidfile`



  if [ -n "`ps -p ${MYPID} | grep ${MYPID}`" ]; then

    echo `basename $0` is already running [$MYPID].

    exit

  fi

fi



# Echo current PID into lock file

echo $$ > $pidfile





echo "Launching Loopia DNS Updater"



IPaddr="0"



while a=a

  do

    IPaddrNy=`curl -s dns.loopia.se/checkip/checkip.php | sed 's/^.*: \([^<]*\).*$/\1/'`

        if [ $IPaddr != $IPaddrNy ]

          then

			IPStatus="$(curl -s --user "$Username:$Password" "https://dns.loopia.se/XDynDNSServer/XDynDNS.php?hostname=$Hostname&myip="`curl -s dns.loopia.se/checkip/checkip.php | sed 's/^.*: \([^<]*\).*$/\1/'`)"

			

			

		if [ $syslog = "yes" ]

          then

			case "$IPStatus" in

			"good" )

			echo "IP adress for $Hostname is updated to $IPaddrNy"

			  ;;

			"nochg" )

			echo "No change needed for $Hostname, will check again in $daemon seconds."

			  ;;

			* )

			echo "Unknown server response: $syslog"

			  ;;

			esac

		fi

			

			IPaddr=$IPaddrNy

        fi

	sleep $daemon

done

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#!/bin/bash



# Config



Username="username"

Password="password"

Hostname="sub.domain.com"



daemon=3600                              	# check every 3600 seconds (one hour)

syslog=yes                              	# log update msgs to syslog

pidfile=/var/run/loopiaddclient.pid         # record PID in file.





# Do not edit bellow this line



if [ -f "${pidfile}" ]; then



  # The file exists so read the PID

  # to see if it is still running

  MYPID=`head -n 1 $pidfile`



  if [ -n "`ps -p ${MYPID} | grep ${MYPID}`" ]; then

    echo `basename $0` is already running [$MYPID].

    exit

  fi

fi



# Echo current PID into lock file

echo $$ > $pidfile





echo "Launching Loopia DNS Updater"



IPaddr="0"



while a=a

  do

    IPaddrNy=`curl -s dns.loopia.se/checkip/checkip.php | sed 's/^.*: \([^<]*\).*$/\1/'`

        if [ $IPaddr != $IPaddrNy ]

          then

			IPStatus="$(curl -s --user "$Username:$Password" "https://dns.loopia.se/XDynDNSServer/XDynDNS.php?hostname=$Hostname&myip="`curl -s dns.loopia.se/checkip/checkip.php | sed 's/^.*: \([^<]*\).*$/\1/'`)"

			

			

		if [ $syslog = "yes" ]

          then

			case "$IPStatus" in

			"good" )

			echo "IP adress for $Hostname is updated to $IPaddrNy"

			  ;;

			"nochg" )

			echo "No change needed for $Hostname, will check again in $daemon seconds."

			  ;;

			* )

			echo "Unknown server response: $syslog"

			  ;;

			esac

		fi

			

			IPaddr=$IPaddrNy

        fi

	sleep $daemon

done