DynDNS with the InterNetworX XML-RPC API

updatedata.xml

<?xml version="1.0" encoding="UTF-8"?>
<methodCall>
   <methodName>updateRecord</methodName>
   <params>
      <param>
         <value>
            <struct>
               <member>
                  <name>user</name>
                  <value>
                     <string>my_username</string>
                  </value>
               </member>
               <member>
                  <name>lang</name>
                  <value>
                     <string>en</string>
                  </value>
               </member>
               <member>
                  <name>pass</name>
                  <value>
                     <string>my_password</string>
                  </value>
               </member>
               <member>
                  <name>id</name>
                  <value>
                     <int>10777xxxx</int>
                  </value>
               </member>
               <member>
                  <name>content</name>
                  <value>
                     <string>%wan_ip%</string>
                  </value>
               </member>
               <member>
                  <name>ttl</name>
                  <value>
                     <int>300</int>
                  </value>
               </member>
            </struct>
         </value>
      </param>
   </params>
</methodCall>

updatedomain.sh

#!/bin/bash
#------------------------------------------------------------------------------------------------------------
# /root/updatedomain.sh
#------------------------------------------------------------------------------------------------------------
# http://snippets.sim4000.de/show/35/
# http://anwendungsentwickler.ws/dyndns_mit_der_inwx_xml-rpc_api/entry/313/
 
if [ ! -f /root/updatedomainlastip ]; then
   touch /root/updatedomainlastip
fi
 
current_ip=$(cat /root/updatedomainlastip)
wan_ip=`ifconfig ppp0 | grep "inet addr:" | cut -d ':' -f2 | cut -d ' ' -f1`
 
if [ ! "$wan_ip" == "$current_ip" ]; then
 
wget -q --user-agent="Mozilla/4.0" \
--header="Host: api.domrobot.com" \
--header="Content-Type: text/xml" \
--post-data="$(cat /root/updatedata.xml | sed "s/%wan_ip%/$wan_ip/g")" \
--no-check-certificate -O - \
https://api.domrobot.com/xmlrpc/nameserver
 
echo $wan_ip > /root/updatedomainlastip
 
else
 
echo "do nothing...";
 
fi