ALIDDNS 脚本求赐教

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坛友上找的这个脚本  解析IPV6   @@@@   的地方都填了.   设置以后  不会  获取地址是怎么回事?  哪位高手 帮助下   代码白痴啊.






#!/bin/sh
#前置函数
urlencode1() {
local length="${#1}"
i=0
out=""
for i in $(awk "BEGIN { for ( i=0; i<$length; i++ ) { print i; } }")
do
local c="${1: $i:1}"
case $c in
[a-zA-Z0-9.~'&'=_-]) out="$out$c" ;;
*) out="$out`printf '%%%02X' "'$c"`" ;;
esac
i=$(($i + 1))
done
echo -n $out
}
urlencode2() {
local length="${#1}"
i=0
out=""
for i in $(awk "BEGIN { for ( i=0; i<$length; i++ ) { print i; } }")
do
local c="${1: $i: 1}"
case $c in
[a-zA-Z0-9.~_-]) out="$out$c" ;;
*) out="$out`printf '%%%02X' "'$c"`" ;;
esac
i=$(($i + 1))
done
echo -n $out
}
send_request() {
args="AccessKeyId=$ak&Action=$1&Format=json&$2&Version=2015-01-09"
StringToSign1="$(urlencode1 $args)"
StringToSign2="GET&%2F&$(urlencode2 $StringToSign1)"
hash=$(urlencode2 $(echo -n "$StringToSign2" | openssl dgst -sha1 -hmac $sk -binary | openssl base64))
RESULT=$(curl -k -s "https://alidns.aliyuncs.com/?$args&Signature=$hash") ## 2> /dev/null)
echo $RESULT
}
query_recordid() {
if [ "$host" = "@" ]; then
echo `send_request "DescribeSubDomainRecords" "SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&SubDomain=$domain&Timestamp=$timestamp"`
else
echo `send_request "DescribeSubDomainRecords" "SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&SubDomain=$host.$domain&Timestamp=$timestamp"`
fi
}
update_record() {
echo `send_request "UpdateDomainRecord" "RR=$host&RecordId=$1&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&Timestamp=$timestamp&Type=AAAA&Value=$ip"`
}
add_record() {
echo `send_request "AddDomainRecord&DomainName=$domain" "RR=$host&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&Timestamp=$timestamp&Type=AAAA&Value=$ip"`
}

##配置信息
##主函数入口
host="ipv6" #主机名
domain="yyzb.xyz" #你的域名
ip_network="wan6"
timestamp=`date -u +"%Y-%m-%dT%H:%M:%SZ"`
ak="@@@@@@@@@@@@" #你的阿里云app key
sk="@@@@@@@@@@@@&" #“你的阿里云app secret&” 注意后面多个“&”

#读取本地数据库存储的信息，若有
ipfilename=$(echo $(basename $0)) #获取自身文件名
ipfilename=$(cd "$(dirname "$0")"; pwd)/${ipfilename%.*}
if [ -f "$ipfilename"_ip ]
then
. "$ipfilename"_ip
else
record_id="" ;saved_ip="" ;saved_host="" ;saved_domain=""
fi
ip=""
RETRY="0"
while [ $RETRY -lt 5 ]; do #获取设备ipv6地址信息
pd=$(ubus call network.interface.wan6 status | grep  -A 3 '"ipv6-prefix":' | grep address | awk '{print $2}' |   grep -oE '[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}')  #运营商分配IPV6 PD
hz=: @@@@@@@@@  #对应设备IPV6地址后缀部分
ip=${pd}${hz}
RETRY=$((RETRY+1))
if [ -z "$ip" ];then
sleep 3
else
break
fi
done

#获取DNS域名服务器对域名解析的ipv6地址<br>#此处由<a id="a_comment_author_3947953" href="http://home.cnblogs.com/u/1351825/" target="_blank">jethroso</a>指正，再次表示感谢
if [ "$ip" = "$saved_ip" ];then
if [ $host = "@" -o $host = "" ];then
IPDNS=$(nslookup $domain dns16.hichina.com 2>/dev/null | sed -n 's/Address 1: \([0-f.]*\)/\1/p' | sed -n '2p' | grep -oE '[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}')
else
IPDNS=$(nslookup $host.$domain dns16.hichina.com 2>/dev/null | sed -n 's/Address 1: \([0-f.]*\)/\1/p' | sed -n '2p' | grep -oE '[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}\:[0-f]{0,4}')
fi
fi

#检查比对本地数据库存储的ip
#也可以与IPDNS进行比较，替换saved_ip为IPDNS即可
if [ "$ip" = "$saved_ip" -a "$host" = "$saved_host" -a "$domain" = "$saved_domain" ];then
echo "$(date +"%Y-%m-%d %H:%M:%S")--Host:[$host.$domain] Already updated."
exit 0
fi
#查询解析记录信息
RESULT=`query_recordid`
record_id=$(echo $RESULT | grep -o "RR\":\"$host\",\"Status\":\"[a-zA-Z]*\",\"Value\":\"[0-f:]*\",\"Weight\":[0-9]*,\"RecordId\":\"[0-9]*\"" | grep -o "RecordId\":\"[0-9]*\""|grep -o "[0-9]*")
if [ "$record_id" = "" ]
then
   RESULT=`add_record`
    record_id=$(echo $RESULT | grep -o "RecordId\":\"[0-9]*\"" | grep -o "[0-9]*")
     echo "$RESULT"
     if [ "$record_id" != "" ];then
    echo "$(date +"%Y-%m-%d %H:%M:%S") -- Added Host [$host.$domain] (IP: $ip)"
    echo "record_id=$record_id; saved_ip=$ip ;saved_host=$host ;saved_domain=$domain" > "$ipfilename"_ip
    else
    echo "Not Find Such Host $host.$domain"
    fi
else
#更新解析记录
RESULT=`update_record $record_id`
#record_id=$(echo $RESULT | grep -o "RecordId\":\"[0-9]*\"" | grep -o "[0-9]*")
        echo "$RESULT"
        echo "$(date +"%Y-%m-%d %H:%M:%S") -- Update Host [$host.$domain] (IP: $ip)"
        echo "record_id=$record_id; saved_ip=$ip ;saved_host=$host ;saved_domain=$domain" > "$ipfilename"_ip
fi

yy***

哪位 大佬  帮忙下

yy***

林***

不懂，友情帮顶一下。期待大佬解答。