Workerman-DNS/start.php
2024-02-06 17:49:08 +08:00

215 lines
7.9 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* Workerman DNS Protocol
* @author Enoch EchoNoch Enoch@laysense.com
* @Repo http://git.laysense.com/enoch/workerman-dns
* @Github http://github.com/ywnsya/workerman-dns
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
use Workerman\Worker;
use Workerman\Connection\TcpConnection;
use Workerman\Protocols\Http\Request;
require_once __DIR__ . '/php-ipv6.php'; #IPv6支持
require_once __DIR__ . '/vendor/autoload.php';
$worker = new Worker('Dns://0.0.0.0:53');
$worker->transport = 'udp';
$worker->onMessage = function($connection, $data){
$data=json_decode($data);
$type=$data->type; #查询类型
$name=$data->name; #查询内容(一般是域名PTR时为倒序IP)
$rip=$connection->getRemoteIp(); #客户端IP
if(isset($data->addR->csubnet->ip)){
$ip=$data->addR->csubnet->ip;
}else{
$ip=$rip;
}
if($type=='A'){
$send['type']='A';
$send['detail'][1]='119.29.29.29';
$send['detail'][2]='8.8.8.8';
$send['ttl']=30;
};
#此处进行一个CNAME+A记录返回的实例
if($type=='A' && $name=='cn.bing.com'){
$send['type']='CNAME+A';
#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
$send['detail']='china.bing123.com';
$send['ttl']=30;
};
if($type=='PTR'){
/**
* 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
* 如果不设置PTR请求收到PTR请求后会报错
* 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
* 例如PTR 192.168.0.1 则 $name 收到的是: 1.0.168.192.in.addr.arpa
*/
$send['type']='PTR';
$send['detail']='dns.laysense.com';
$send['ttl']=30;
};
if($type=='NS'){
$send['type']='NS';
$send['detail'][1]='coco.bunny.net';
$send['detail'][2]='kiki.bunny.net';
$send['ttl']=600;
};
#实际情况下很少直接返回CNAME真实情况一般是CNAME+A同时还有CNAME+AAAA
if($type=='CNAME'){
$send['type']='CNAME';
$send['detail'][1]='baidu.cn';
$send['detail'][2]='baidu.com';
$send['ttl']=600;
}
if($type=='AAAA'){
$ipv6=new IPv6;
$send['type']='AAAA';
$send['detail'][1]=bin2hex($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
$send['detail'][2]=bin2hex($ipv6->ip2bin("2001:0:2851:b9d0:2c5f:f0d9:21be:4b96"));
$send['ttl']=600;
}
#此处进行一个CNAME+AAAA记录返回的实例
if($type=='AAAA' && $name=='cname6.xx.com'){
$send['type']='CNAME+AAAA';
#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
$send['detail']='ipv6.xx.com';
$send['ttl']=30;
}
if($type=='TEXT'){
$send['type']='TEXT';
$send['detail'][1]='text1-test';
$send['detail'][2]='text2-test';
$send['ttl']=600;
}
if($type=='MX'){
$send['type']='MX';
$send['detail'][1]['name']='mx.zoho.com';
$send['detail'][1]['pre']='20'; #权重
$send['detail'][2]['name']='mx2.zoho.com';
$send['detail'][2]['pre']='30'; #权重
$send['detail'][3]['name']='mx3.zoho.com';
$send['detail'][3]['pre']='50'; #权重
$send['ttl']=600;
}
if($type=='SOA'){
$send['type']='SOA';
$send['detail']= array();
$send['detail']['type']='auto';#自动获取上级的SOA
$send['detail']['name']=$name;
/**
* SOA类型如遇域名存在但无该查询类型的记录时返回
* 请勿随意填写本workermanDNS协议将自动向服务器配置的DNS获取SOA
*
* 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]
* $send['detail']['type']='self';
* $send['detail']['mname']='dns31.hichina.com'; #主DNS服务器名
* $send['detail']['rname']='hostmaster.hichina.com'; #DNS管理员邮箱
* $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
* $send['detail']['refresh']='3600'; #区域应当被刷新前的时间间隔
* $send['detail']['retry']='1200'; #刷新失败重试的时间间隔
* $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
* $send['detail']['minimum-ttl']='600'; #最小TTL
*
* $send['ttl']='180'; #当前TTL
**/
}
#返回域名不存在(自动获取SOA)
if($name=='1.phpisthebestlanguage.com'){
$send['type']='none';
$send['detail']= array();
$send['detail']['type']='auto';
$send['detail']['name']="$name";
/**
* none类型将返回NXDOMAIN同时通过自动获取SOA返回SOA记录。
*/
/**
*
* 手动自行返回SOA记录(如果为权威服务器时)
* $send['detail']['type']='self';
* $send['detail']['mname']='dns31.hichina.com'; #主DNS服务器名
* $send['detail']['rname']='hostmaster.hichina.com'; #DNS管理员邮箱
* $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
* $send['detail']['refresh']='3600'; #区域应当被刷新前的时间间隔
* $send['detail']['retry']='1200'; #刷新失败重试的时间间隔
* $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
* $send['detail']['minimum-ttl']='600'; #最小TTL
*
* $send['ttl']='180'; #当前TTL
**/
}
if($name=='2.phpisthebestlanguage.com'){
$send['type']='none';
$send['detail']= array();
$send['detail']['type']='self';
#手动自行返回SOA记录与NXDOMAIN时的示例
$send['detail']['qname']='phpisthebestlanguage.com';#根域名
$send['detail']['mname']='dns31.hichina.com'; #主DNS服务器名
$send['detail']['rname']='hostmaster.hichina.com'; #DNS管理员邮箱
$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
$send['detail']['refresh']='3600'; #区域应当被刷新前的时间间隔
$send['detail']['retry']='1200'; #刷新失败重试的时间间隔
$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
$send['detail']['minimum-ttl']='600'; #最小TTL
$send['ttl']='180'; #当前TTL
}
if($name=='404.testdnsserver.com'){
$send['type']='flag';
$send['flag']='NXDOMAIN';
#使用flag类型返回NXDOMAIN时不会附带SOA,当作为权威DNS时可能造成LDNS发生错误,不建议使用,建议改为none类型
}
if($name=='503.testdnsserver.com'){
$send['type']='flag';
$send['flag']='SERVFAIL';
#SERVFAIL表示解析遇到错误,类似于HTTP的503
}
if($name=='403.testdnsserver.com'){
$send['type']='flag';
$send['flag']='REFUSE';
#REFUSE表示服务器拒绝此请求,可用于限定客户端的IP范围
}
if($name=='raw.testdnsserver.com'){
$send['type']='raw';
$status='8180';
$questions='0001';
$AnswerRRs='0001';
$AuthorityRRs='0000';
$AdditionalRRs='0000';
$answer='c00c000c00010000001e001203646e73086c617973656e736503636f6d00';#此处示例为返回记录值为dns.laysense.com的PTR记录的16进制
$response=$data->id.$status.$questions.$AnswerRRs.$AuthorityRRs.$AdditionalRRs.$data->query.$answer;
$send['detail']=$response;
}
#id和query一般情况下直接返回输出即可
$send['id']=$data->id;
$send['query']=$data->query;
if(!isset($send['ttl'])){
$send['ttl']=0;
}
$send['info']=json_encode(['domain'=>$data->name,'querytype'=>$data->type,'answertype'=>$send['type'],'ip'=>$ip,'rip'=>$rip,'ttl'=>$send['ttl'],'detail'=>$send['detail']]);
$send=json_encode($send);
$connection->send($send);
};
Worker::runAll();