commit c21d5a3a146b25b34153bffcab061f69a8c6c5cd
Author: Christian Busch <chris@debilux.org>
Date:   Fri Jul 12 02:51:22 2013 +0200

    First commit.

diff --git a/README.md b/README.md
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+# Nameserver update for inwx (nsupdate)
+
+Update a nameserver entry at inwx with the current WAN IP (DynDNS)
+
+nsbackup is a bash script that uses curl and the inwx API to update a given nameserver entry with the current WAN IP.
+
+You have to configurue it in the file nsupdate.config.
+
+## Changelog
+
+**2013-07-12**
+
+- First commit
+
+## License
+
+nsupdate is distributed under the MIT license, which is similar in effect to the BSD license.
+
+> Copyright 2013 Christian Busch (http://github.com/chrisb86)
+> 
+> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+> 
+> The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+> 
+> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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diff --git a/nsupdate.config.sample b/nsupdate.config.sample
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+# nsupdate.config
+
+# Login credentials for the inwx admin interface
+INWX_USER="USERNAME"
+INWX_PASS="PASSWORD"
+
+# The hostname that you want to update and it's ID from the inwx interface
+# You get the ID when you edit the given nameserver entry and hover the save button.
+HOSTNAME="subdomain.example.com"
+INWX_DOMAIN_ID="123456789"
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diff --git a/nsupdate.sh b/nsupdate.sh
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+#!/bin/bash
+
+# Update a nameserver entry at inwx with the current WAN IP (DynDNS)
+
+# Copyright 2013 Christian Busch
+# http://github.com/chrisb86/
+
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+# from which site should we get your wan ip?
+IP_CHECK_SITE=http://checkip.dyndns.org
+
+source nsupdate.config
+
+LOG=$0.log
+
+NSLOOKUP=$(nslookup -sil $HOSTNAME - ns.inwx.de | tail -2 | head -1 | cut -d' ' -f2)
+WAN_IP=`curl -s ${IP_CHECK_SITE}| grep -Eo '\<[[:digit:]]{1,3}(\.[[:digit:]]{1,3}){3}\>'`
+
+API_XML="<?xml version=\"1.0\"?>
+<methodCall>
+   <methodName>nameserver.updateRecord</methodName>
+   <params>
+      <param>
+         <value>
+            <struct>
+               <member>
+                  <name>user</name>
+                  <value>
+                     <string>$INWX_USER</string>
+                  </value>
+               </member>
+               <member>
+                  <name>pass</name>
+                  <value>
+                     <string>$INWX_PASS</string>
+                  </value>
+               </member>
+               <member>
+                  <name>id</name>
+                  <value>
+                     <int>$INWX_DOMAIN_ID</int>
+                  </value>
+               </member>
+               <member>
+                  <name>content</name>
+                  <value>
+                     <string>$WAN_IP</string>
+                  </value>
+               </member>
+            </struct>
+         </value>
+      </param>
+   </params>
+</methodCall>"
+
+if [ ! "$NSLOOKUP" == "$WAN_IP" ]; then
+	curl -silent -v -XPOST -H"Content-Type: application/xml" -d "$API_XML" https://api.domrobot.com/xmlrpc/
+	echo "$(date) - $HOSTNAME updated. Old IP: "$NSLOOKUP "New IP: "$WAN_IP >> $LOG
+else
+	echo "$(date) - No update needed for $HOSTNAME. Current IP: "$NSLOOKUP >> $LOG
+fi
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