刘佳的技术日志、博客

#2005/07/08  liujia  0.1 First time release
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#
#
basedir="/opt/DDNS/"
keyfile="$basedir"/"Kks.+157+53638.key"
ttl=600
subip="eth0"
#outif="ppp0"
hostname="ks.thiz.com.cn"
servername="sh.thiz.com.cn"

#Get you new IP
newip=`/sbin/ifconfig "$subip" | grep 'inet addr' | cut -d: -f2  | cut -d' ' -f1`
#newip=`/sbin/ifconfig "$subip" | grep 'inet addr' | awk -F: '{print $2}' | awk '{print $1}'
#newip=`/sbin/ifconfig "$subip" |grep 'inet addr' | awk '{print $2}' | sed-e "s/addr\://"`

#checkip=`echo $newip | grep "^[0-9]"`
#if["$checkip"==""];then
#  echo "$0: The interface isn't connect internet..."
#  exit 1
#fi

# create the temp file
tmpfile=$basedir/tmp.txt
cd $basedir
echo "server $servername" > $tmpfile
echo "update delete $hostname A" >> $tmpfile
echo "update add $hostname $ttl A $newip" >> $tmpfile
echo "send"                >>   $tmpfile

# send you IP to server

nsupdate -k $keyfile -v $tmpfile