#! /bin/sh
# (C) 2008 by Jochen Pawletta <jochen@hin.de>

INPUT=/usr/local/DynIP/DynIP-Userliste
LISTE=/tmp/owndynip.txt

if [ -s $LISTE ] ; then

  cat $INPUT | while read HOSTNAME IPDATEI PASSWORD ; do

    cat $LISTE | while read USER PASS IP ; do
      if [ $USER = $HOSTNAME ] && [ $PASSWORD = $PASS ] ; then
        echo $IP>$IPDATEI
      fi
    done

  done
  rm $LISTE

fi