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131
ddns.sh
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131
ddns.sh
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#!/usr/bin/bash
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dnspod_ddnsipv6_id="" #【API_id】将引号内容修改为获取的API的ID
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dnspod_ddnsipv6_token="" #【API_token】将引号内容修改为获取的API的token
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dnspod_ddnsipv6_ttl="600" # 【ttl时间】解析记录在 DNS 服务器缓存的生存时间，默认600(s/秒)
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dnspod_ddnsipv6_domain='your_domain' #【已注册域名】引号里改成自己注册的域名
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dnspod_ddnsipv6_subdomain='domain' #【二级域名】将引号内容修改为自己想要的名字，需要符合域名规范，附常用的规范
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get_ipv6_mode='2' # 【获取IPV6方式】支持两种方式，第一种是直接从你的网卡获取，用这种方法请填1。一种是通过访问网页接口获取公网IP6，这种方法请填2
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local_net="br0" # 【网络适配器】 默认为eth0，如果你的公网ipv6地址不在eth0上，需要修改为对应的网络适配器
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# 常用的规范【二级域名】
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# 【www】 常见主机记录，将域名解析为 www.baidu.com
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# 【@】 直接解析主域名 baidu.com
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# 【*】 泛解析，匹配其他所有域名 *.baidu.com
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# 举例
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# 在腾讯云注册域名，登陆DNSPOD，在【我的账号】的【账号中心】中，有【密钥管理】
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# 点击创建密钥即可创建一个API
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# 如果你在腾讯云注册域名叫【baidu.com】
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# 那么【dnspod_ddnsipv6_domain】后面就填【baidu.com】
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# 然后根据常用的规范/自己想要的名字在【dnspod_ddnsipv6_subdomain】填入自己需要的名字
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# 现假设为【pan】，那么你的访问地址为【pan.baidu.com】
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if [ "$dnspod_ddnsipv6_record" = "@" ]
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then
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dnspod_ddnsipv6_name=$dnspod_ddnsipv6_domain
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else
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dnspod_ddnsipv6_name=$dnspod_ddnsipv6_subdomain.$dnspod_ddnsipv6_domain
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fi
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die0 () {
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echo "IPv6地址提取错误,无ipv6地址或非公网IP（fe80开头的非公网IP）"
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exit
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}
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die1 () {
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echo "IPv6地址提取错误,请使用ip addr命令查看自己的网卡中是否有IPv6公网（非fe80开头）地址，若网卡有IPv6地址却无法获取成功，可尝试在脚本中切换第二种模式获取"
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exit
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}
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die2 () {
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echo "尝试访问网页https://[2606:4700:4700::1111]/cdn-cgi/trace 查看返回的IPv6地址是否能够正常访问本机，无法访问网页则切换第一种模式获取"
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exit
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}
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if [[ "$get_ipv6_mode" == 1 ]]
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then
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echo "使用本地网卡获取IPv6"
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ipv6_list=`ip addr show $local_net | grep "inet6.*global" | awk '{print $2}' | awk -F"/" '{print $1}'` || die1
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else
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echo "使用网页接口获取IPv6"
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ipv6_list=`wget -q -O - https://[2606:4700:4700::1111]/cdn-cgi/trace | sed -n '3p' | cut -b 4-` || die
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ipv6_list=${ipv6_list##*=}
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fi
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for ipv6 in ${ipv6_list[@]}
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do
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if [[ "$ipv6" =~ ^fe80.* ]]
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then
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continue
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else
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echo 获取的IP为: $ipv6 >&1
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break
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fi
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done
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if [ "$ipv6" == "" ] || [[ "$ipv6" =~ ^fe80.* ]]
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then
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die0
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fi
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dns_server_info=`nslookup -query=AAAA $dnspod_ddnsipv6_name 2>&1`
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dns_server_ipv6=`echo "$dns_server_info" | grep 'address ' | awk '{print $NF}'`
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if [ "$dns_server_ipv6" = "" ]
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then
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dns_server_ipv6=`echo "$dns_server_info" | grep 'Address: ' | awk '{print $NF}'`
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fi
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if [ "$?" -eq "0" ]
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then
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echo "你的DNS服务器IP: $dns_server_ipv6" >&1
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if [ "$ipv6" = "$dns_server_ipv6" ]
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then
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echo "该地址与DNS服务器相同。" >&1
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fi
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unset dnspod_ddnsipv6_record_id
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else
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dnspod_ddnsipv6_record_id="1"
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fi
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send_request() {
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local type="$1"
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local data="login_token=$dnspod_ddnsipv6_id,$dnspod_ddnsipv6_token&domain=$dnspod_ddnsipv6_domain&sub_domain=$dnspod_ddnsipv6_subdomain$2"
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return_info=`curl -X POST "https://dnsapi.cn/$type" -d "$data" 2> /dev/null`
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}
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query_recordid() {
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send_request "Record.List" ""
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}
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update_record() {
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send_request "Record.Modify" "&record_type=AAAA&record_line=默认&ttl=$dnspod_ddnsipv6_ttl&value=$ipv6&record_id=$dnspod_ddnsipv6_record_id"
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}
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add_record() {
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send_request "Record.Create" "&record_type=AAAA&record_line=默认&ttl=$dnspod_ddnsipv6_ttl&value=$ipv6"
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}
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if [ "$dnspod_ddnsipv6_record_id" = "" ]
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then
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echo "解析记录已存在，尝试更新它" >&1
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query_recordid
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code=`echo $return_info | awk -F \"code\":\" '{print $2}' | awk -F \",\"message\" '{print $1}'`
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echo "返回代码： $code" >&1
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if [ "$code" = "1" ]
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then
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dnspod_ddnsipv6_record_id=`echo $return_info | awk -F \"records\":.{\"id\":\" '{print $2}' | awk -F \"type\":\"AAAA\", '{print $1}' | awk -F \"id\":\" '{print $NF}' | awk -F \",\"ttl\" '{print $1}'`
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update_record
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echo "更新解析成功" >&1
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else
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echo "错误代码返回，域名不存在，请尝试添加。" >&1
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add_record
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echo "添加成功" >&1
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fi
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else
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echo "该域名不存在，请在dnspod控制台添加"
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add_record
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echo "添加成功" >&1
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fi
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