???家里的電腦用的是ADSL上網(wǎng)，沒有固定的域名，為了從公司方便的訪問家里的電腦，我在希網(wǎng)（www.3322.org）申請了一個(gè)動態(tài)域名。但后來我家里操作系統(tǒng)改為linux并是用的路由器上網(wǎng)，希網(wǎng)提供的linux客戶端不能更新路由器的外網(wǎng)IP地址，沒辦法，我只有自己寫個(gè)shell取得路由器的公網(wǎng)IP，然后用希網(wǎng)提供的GET方式接口更新路由器的公網(wǎng)IP了。

#!/bin/sh

# ip file from? Router WEB Manager

#curdate=date +"%Y-%m-%d %H:%M:%S"

echo `date +"%Y-%m-%d %H:%M:%S"` >>/g/linux_tools/bin/dydns.log

wget -q -C off -O remoteip http://admin:admin@192.168.1.1/userRpm/StatusRpm.htm

iptmp=`sed -n '/IP/p' remoteip |sed '1d'|sed 's/<[a-z,\/]*>//g'|sed 's/^IP.\{4\}//g'`

if [ -z "$iptmp" ]; then

? echo "no connecting internet." >>/g/linux_tools/bin/dydns.log

else

? rm -f ipupdate

? wget -q -C off -O ipupdate "http://cqpower:cqpower.net@members.3322.org/dyndns/update?&hostname=zpu.3322.org&myip=$iptmp"

? ret=`awk '{if($1~/good/ || $1~/nochg/) print $1}' ipupdate|sed -n '1p'`

? if [ "$ret"="good" -o "$ret"="nochg" ]; then

??? echo "update internet ip success:$iptmp" >>/g/linux_tools/bin/dydns.log

? else

??? echo "update internet ip failure!"? >>/g/linux_tools/bin/dydns.log

? fi

fi

echo "" >> dydns.log

?