Ipv6 DDNS（阿里云域名解析及证书配置）

curl -sL --connect-timeout 3 "tdns.cupker.cn/d?dn=$aliddnsipv6_name&type=AAAA"
curl -sL --connect-timeout 3 "119.29.29.29/d?dn=$aliddnsipv6_name&type=AAAA"

``
# 模拟命令行
# 但是最新的标准已经更新为了：
$()

更加简单和一堵

#!/bin/sh
#The script is best to run with bash. The command format is bash aliddns
#Change your Ali AK in the quotation marks below
aliddnsipv6_ak="AccessKey ID"
#Change your Alibaba SK in the quotation marks below. To put it bluntly, these are the account and password
aliddnsipv6_sk="Access Key Secret"
#Change the following quotation marks into the prefix of the domain name you want to resolve. If it is the root domain name, fill in it directly@
aliddnsipv6_name1="area"  
#Change the following quotation marks to the main domain name you want to resolve, for example: baidu com
aliddnsipv6_domain="domain.cn"
#Change the parsing switching time you need in the quotation marks below. Alibaba defaults to a maximum of 600 seconds, which can be reduced by spending money
aliddnsipv6_ttl="600"
#Judge whether it contains @ because the resolution containing @ is directly reported to xxx COM, instead of blindly reporting as @ xxx. com
if [ "$aliddnsipv6_name1" = "@" ]
then
  aliddnsipv6_name=$aliddnsipv6_domain
else
  aliddnsipv6_name=$aliddnsipv6_name1.$aliddnsipv6_domain
fi

#Make time and record good moments
echo "Now Time:$(date)"
#Here are two ways to get the IPv6 address of your local machine, so that one can hang up and the other can be backed up. Of course, you can also use the if statement to judge. If the first one doesn't work, use the second...
#If you want to resolve IPv4, put the following v6 ident. Replace me with v4 ident. me
#v6.ident. If me fails, switch to IPv6 directly ip. sb
# ipv6=`curl -sL --connect-timeout 3 v6.ident.me` 
# if [ "$ipv6" = "" ]
# then
# ipv6=$(ip -o addr show |grep -v deprecated|grep ' inet6 [^f:]'|sed -nr 's#^.+? +inet6 ([a-f0-9:]+)/.+? scope global .*? valid_lft ([0-9]+sec) .*#\2 \1#p'|grep 'ff:fe'|sort -nr|head -n1|cut -d' ' -f2)
# Print out the current local IPv6 address. What did you do to compare the program
echo "LocalHost IP:$ipv6"
#The following is to get the IPv6 address currently resolved by Alibaba for you. If you want to resolve IPv4, replace AAAA with a
########It is recommended to use the default one, because after you update DNS, dns9 hichina. COM is effective immediately########
#To resolve IPv4, you need to delete &type=AAA
#current_ipv6=`nslookup -query=AAAA $aliddnsipv6_name dns9.hichina.com 2>&1 | grep 'Address: ' | tail -n1 | awk '{print $NF}'`
current_ipv6=$(curl -sL --connect-timeout 3 "tdns.cupker.cn/d?dn=$aliddnsipv6_name&type=AAAA")
# tdns.cupker.cn bind  tdns.cupker.cn
#$(ip -o addr show |grep -v deprecated|grep ' inet6 [^f:]'|sed -nr 's#^.+? +inet6 ([a-f0-9:]+)/.+? scope global .*? valid_lft ([0-9]+sec) .*#\2 \1#p'|grep 'ff:fe'|sort -nr|head -n1|cut -d' ' -f2)
# $(curl -sL --connect-timeout 3 "119.29.29.29/d?dn=$aliddnsipv6_name&type=AAAA")
#Print it again for you to see clearly
    echo "Current Alibaba resolution ip:$current_ipv6"
#If the local IPv6 and Alibaba resolve the same, I'll pass
if [ "$ipv6" = "$current_ipv6" ]
    then
   echo "You see, the IP hasn't changed and doesn't need to be updated. I'm leaving..."
   exit

#If it's different, I'll start updating it
else
    unset aliddnsipv6_record_id
fi
#The timestamp format should be correct

timestamp=$(date -u "+%Y-%m-%dT%H%%3A%M%%3A%SZ")

#The following are Alibaba related, all of which are required in various formats, as well as obtaining recordid and so on. Let's jump to the update record and go down
urlencode() {
    # urlencode <string>
    out=""
    while read -n1 c
    do
        case $c in
            [a-zA-Z0-9._-]) out="$out$c" ;;
            *) out="$out$(printf '%%%02X' "'$c")" ;;
        esac
    done
    echo -n $out
}

enc() {
    echo -n "$1" | urlencode
}

send_request() {
    local args="AccessKeyId=$aliddnsipv6_ak&Action=$1&Format=json&$2&Version=2015-01-09"
    local hash=$(echo -n "GET&%2F&$(enc "$args")" | openssl dgst -sha1 -hmac "$aliddnsipv6_sk&" -binary | openssl base64)
    curl -s "http://alidns.aliyuncs.com/?$args&Signature=$(enc "$hash")"
}

get_recordid() {
    grep -Eo '"RecordId":"[0-9]+"' | cut -d':' -f2 | tr -d '"'
}

#Here ----------- the following type=aaaa is the only difference between updating IPv6 and IPv4. The rest of the update codes are the same, so it can be understood in this way -- line feed
#For example, the following can be changed from AAAA to a
query_recordid() {
    send_request "DescribeSubDomainRecords" "SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&SubDomain=$aliddnsipv6_name&Timestamp=$timestamp&Type=AAAA"
}

update_record() {
    send_request "UpdateDomainRecord" "RR=$aliddnsipv6_name1&RecordId=$1&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&TTL=$aliddnsipv6_ttl&Timestamp=$timestamp&Type=AAAA&Value=$(enc $ipv6)"
}

add_record() {
    send_request "AddDomainRecord&DomainName=$aliddnsipv6_domain" "RR=$aliddnsipv6_name1&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&TTL=$aliddnsipv6_ttl&Timestamp=$timestamp&Type=AAAA&Value=$(enc $ipv6)"
}

if [ "$aliddnsipv6_record_id" = "" ]
then
    aliddnsipv6_record_id=$(query_recordid | get_recordid)
    fi
if [ "$aliddnsipv6_record_id" = "" ]
then
    aliddnsipv6_record_id=$(add_record | get_recordid)
    echo "New parsing has been added$aliddnsipv6_name $ipv6 $aliddnsipv6_record_id"
else
    update_record $aliddnsipv6_record_id
    echo "New parsing has been added $aliddnsipv6_name as $ipv6" 
fi

#!/bin/sh
ip addr show|grep -A1 'inet [^f:]'|sed -nr 's#^ +inet ([0-9.]+)/[0-9]+ brd [0-9./]+ scope global .*#\1#p'
ip addr show|grep -v deprecated|grep -A1 'inet6 [^f:]'|grep -v ^--|sed -nr ':a;N;s#^ +inet6 ([a-f0-9:]+)/.+? scope global .*? valid_lft ([0-9]+sec) .*#\2 \1#p;Ta'|grep 'ff:fe'|sort -nr|head -n1|cut -d' ' -f2

#!/bin/sh
ip -o addr show|grep 'inet [^f:]'|sed -nr 's#.+? +inet ([0-9.]+)/[0-9]+ brd [0-9./]+ scope global .*#\1#p'
ip -o addr show |grep -v deprecated|grep ' inet6 [^f:]'|sed -nr 's#^.+? +inet6 ([a-f0-9:]+)/.+? scope global .*? valid_lft ([0-9]+sec) .*#\2 \1#p'|grep 'ff:fe'|sort -nr|head -n1|cut -d' ' -f2