first commit

README.md

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+# nsd-dyndns

dyndns.conf-dist

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+PASS="qwertzuiop1234567890"
+LOG=/var/www/logs/dyndns.log
+LAST_IP="none"
+LAST_IP_FILE=/tmp/last_dyndns_ip.txt
+TIMESTAMP=$(date +%s)
+ZONEFILE=/var/nsd/zones/dyndns.org.zone
+SUBDOMAIN="blah"

dyndns.sh

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+#!/usr/local/bin/bash
+
+. /etc/dyndns.conf
+
+REQ_IP=$(grep ${PASS} ${LOG} | tail -1 | awk '{print $2}')
+
+if [ -f $LAST_IP_FILE ]; then
+	LAST_IP=$(cat $LAST_IP_FILE)
+fi
+
+if [[ $LAST_IP != $REQ_IP ]]; then
+	cat $ZONEFILE | sed "4s/.*/${TIMESTAMP}/" | sed "s/^${SUBDOMAIN}.*/${SUBDOMAIN} IN A ${REQ_IP}/" > $ZONEFILE
+	/etc/rc.d/nsd reload
+	echo $REQ_IP > $LAST_IP_FILE
+	echo "update"
+fi