Add dyndns.sh

dyndns.sh

@@ -0,0 +1,50 @@
+#/bin/sh
+
+##########
+# CONFIG #
+##########
+
+HOST="CHANGEME"
+LOGIN="CHANGEME"
+PASSWORD="CHANGEME"
+PATH_LOG="CHANGEME"
+
+###########
+# GET IPs #
+###########
+
+HOST_IP=`dig +short $HOST`
+
+# Flag 4 stand for IPv4
+CURRENT_IP=`curl -4 ifconfig.co`
+
+#######
+# LOG #
+#######
+
+echo >> $PATH_LOG
+echo "Run dyndns - "$(date +"%D, %T") >> $PATH_LOG
+date >> $PATH_LOG
+
+echo "Current IP" >> $PATH_LOG
+echo "$CURRENT_IP" >> $PATH_LOG
+echo "Host IP" >> $PATH_LOG
+echo "$HOST_IP" >> $PATH_LOG
+
+###############
+# DO THE WORK #
+###############
+if [ -z $CURRENT_IP -o -z $HOST_IP ]
+then
+        echo "No IP retrieved" >> $PATH_LOG
+else
+        if [ "$HOST_IP" != "$CURRENT_IP" ]
+        then
+                echo "IP has changed" >> $PATH_LOG
+                RES=`curl --user "$LOGIN:$PASSWORD" "http://www.ovh.com/nic/update?system=dyndns&hostname=$HOST&myip=$CURRENT_IP"`
+                echo "Result request dynHost" >> $PATH_LOG
+                echo "$RES" >> $PATH_LOG
+        else
+                echo "IP has not changed" >> $PATH_LOG
+        fi
+fi