145 lines
4.6 KiB
PHP
145 lines
4.6 KiB
PHP
<?php
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/**
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* Workerman DNS Protocol
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* @author Enoch EchoNoch Enoch@laysense.com
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* @Repo http://git.laysense.com/enoch/workerman-dns
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* @Github http://github.com/ywnsya/workerman-dns
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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use Workerman\Worker;
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use Workerman\Connection\TcpConnection;
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use Workerman\Protocols\Http\Request;
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require_once __DIR__ . '/php-ipv6.php'; #IPv6支持
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require_once __DIR__ . '/vendor/autoload.php';
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$worker = new Worker('Dns://0.0.0.0:53');
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$worker->transport = 'udp';
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$worker->onMessage = function($connection, $data){
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$data=json_decode($data);
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$type=$data->type; #查询类型
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$name=$data->name; #查询内容(一般是域名，PTR时为倒序IP)
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$rip=$connection->getRemoteIp(); #客户端IP
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#输出信息
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echo "\n Type:$type \n Domain: $name\n Client IP: $rip \n";
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if($type=='A'){
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$send['type']='A';
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$send['detail'][1]='119.29.29.29';
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$send['detail'][2]='8.8.8.8';
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$send['ttl']=30;
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};
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#此处进行一个CNAME+A记录返回的实例
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if($type=='A' && $name='cn.bing.com'){
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$send['type']='CNAME+A';
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#CNAME+A和CNAME+AAAA的情况下，均只会返回一条CNAME，如多条CNAME的均衡负载请通过您的代码在此处服务端实现
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$send['detail']='china.bing123.com';
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$send['ttl']=30;
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};
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if($type=='PTR'){
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/**
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* 请注意：Nslookup和一部分dns程序会在任何请求发出前先对DNS服务器的IP发送PTR请求
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* 如果不设置PTR请求，收到PTR请求后会报错
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* 此外，请注意PTR请求所请求的域名(其实是IP)格式为倒序IP.in.addr.arpa
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* 例如，PTR： 192.168.0.1 则 $name 收到的是： 1.0.168.192.in.addr.arpa
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*/
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$send['type']='PTR';
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$send['detail']='dns.laysense.com';
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$send['ttl']=30;
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};
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if($type=='NS'){
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$send['type']='NS';
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$send['detail'][1]='coco.bunny.net';
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$send['detail'][2]='kiki.bunny.net';
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$send['ttl']=600;
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};
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#实际情况下很少直接返回CNAME，真实情况一般是CNAME+A同时还有CNAME+AAAA
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if($type=='CNAME'){
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$send['type']='CNAME';
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$send['detail'][1]='baidu.cn';
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$send['detail'][2]='baidu.com';
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$send['ttl']=600;
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}
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if($type=='CNAME'){
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$send['type']='CNAME';
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$send['detail'][1]='baidu.cn';
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$send['detail'][2]='baidu.com';
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$send['ttl']=600;
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}
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if($type=='AAAA'){
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$ipv6=new IPv6;
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$send['type']='AAAA';
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$send['detail'][1]=bin2hex($ipv6->ip2bin("fe80::2c5f")); #此操作可以还原被简化的IPv6地址 协议内不再对IPv6地址进行处理，请按照本方式传递16进制无":"的完整16位IPv6
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$send['detail'][2]=bin2hex($ipv6->ip2bin("2001:0:2851:b9d0:2c5f:f0d9:21be:4b96"));
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$send['ttl']=600;
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}
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if($type=='TEXT'){
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$send['type']='TEXT';
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$send['detail'][1]='text1-test';
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$send['detail'][2]='text2-test';
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$send['ttl']=600;
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}
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if($type=='MX'){
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$send['type']='MX';
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$send['detail'][1]['name']='mx.zoho.com';
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$send['detail'][1]['pre']='20'; #权重
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$send['detail'][2]['name']='mx2.zoho.com';
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$send['detail'][2]['pre']='30'; #权重
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$send['detail'][3]['name']='mx3.zoho.com';
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$send['detail'][3]['pre']='50'; #权重
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$send['ttl']=600;
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}
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#无记录情况下返回SOA记录或域名不存在记录，防止报错
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if( (!isset($send['type'])) || (!isset($send['detail'])) || (!isset($send['ttl'])) || $type=='SOA'){
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$send['type']='SOA';
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$send['detail']= array();
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$send['detail']['type']='none';
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$send['detail']['name']=$name;
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/**
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* SOA类型，如遇域名存在但无该查询类型的记录时返回
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* 请勿随意填写，本workermanDNS协议将自动向服务器配置的DNS获取SOA
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*
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* 自行返回SOA记录(不建议)[除非你真的准备直接把域名NS到这里]
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* $send['detail']['type']='self';
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* $send['detail']['mname']='dns31.hichina.com'; #主DNS服务器名
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* $send['detail']['rname']='hostmaster.hichina.com'; #DNS管理员邮箱
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* $send['detail']['serial']='2022052002'; #序列号 序列号必须递增 类似于dns记录的版本号 序列号变大时递归dns将更新记录
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* $send['detail']['refresh']='3600'; #区域应当被刷新前的时间间隔
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* $send['detail']['retry']='1200'; #刷新失败重试的时间间隔
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* $send['detail']['expire']='86400'; #规定在区域不再是权威的之前可以等待的时间间隔的上限
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* $send['detail']['minimum-ttl']='600'; #最小TTL
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*
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* $send['ttl']='180'; #当前TTL
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**/
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};
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#id和query一般情况下直接返回输出即可
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$send['id']=$data->id;
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$send['query']=$data->query;
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$send=json_encode($send);
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$connection->send($send);
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};
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Worker::runAll(); |