Update to 0.1.1
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Enoch
parent
8fc2a4df78
commit
185d101099
@ -10,11 +10,27 @@
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namespace Workerman\Protocols;
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class Dns
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{
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public static function getDomain($data,$startbyte){
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$dlen=substr($data,$startbyte,2);
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$startbyte=$startbyte+2;
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$domain[0]='';
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$i=0;
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while($dlen!='00'){
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$domain[$i]=hex2bin(substr($data,$startbyte,hexdec($dlen)*2));
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$startbyte=$startbyte+(hexdec($dlen)*2);
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$dlen=substr($data,$startbyte,2);
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$startbyte=$startbyte+2;
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$i++;
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}
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$realname=join(".",$domain);
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$return=['name'=>$realname,'startbyte'=>$startbyte];
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return $return;
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}
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public static function send($response,$query,$info){
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$response=hex2bin($response);
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$traffic=strlen($response);
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$info=json_decode($info);
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#var_dump($info);
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var_dump($info);
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#出流量统计
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#您也可以在此处保存$response,下一次通过raw类型实现快速缓存相应.
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return $response;
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@ -426,18 +442,9 @@ class Dns
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$answerRRs=substr($data,12,4);
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$authorityRRs=substr($data,16,4);
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$additionalRRs=substr($data,20,4);
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$startbyte=24;
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$dlen=substr($data,$startbyte,2);
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$startbyte=26;
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$i=1;
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while($dlen!='00'){
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$domain[$i]=hex2bin(substr($data,$startbyte,hexdec($dlen)*2));
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$startbyte=$startbyte+(hexdec($dlen)*2);
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$dlen=substr($data,$startbyte,2);
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$startbyte=$startbyte+2;
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$i++;
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}
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$realname=join(".",$domain);
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$gdomain=Dns::getDomain($data,24);
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$realname=$gdomain['name'];
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$startbyte=$gdomain['startbyte'];
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$type=substr($data,$startbyte,4);
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switch($type){
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case '0001':
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@ -466,9 +473,54 @@ class Dns
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break;
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}
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$query=substr($data,24,$startbyte-16);
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#additionalRRs
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if($authorityRRs=='0000'&&$additionalRRs=='0001'){
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$addR=new \StdClass();
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$startbyte=$startbyte+8;
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$addR_name=Dns::getDomain($data,$startbyte);
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$addR_rname=$addR_name['name'];
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$startbyte=$addR_name['startbyte'];
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if($addR_rname==''){
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$addR_rname=$realname;
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}
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$addR_type=substr($data,$startbyte,4);
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$startbyte=$startbyte+4;
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$addR->realname=$addR_rname;
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$addR->type=$addR_type;
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#OPT
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if($addR_type=='0029'){
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#dns.rr.udp_playload_size,请求定义该值后响应将可突破512byte默认限制
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$addR->playloadSize=hexdec(substr($data,$startbyte,4));
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$addR->rcode=substr($data,$startbyte+4,2);#dns.resp.ext_rcode
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$addR->edns0v=substr($data,$startbyte+6,2);#Edns0 拓展协议版本
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$addR->Z=substr($data,$startbyte+8,4);
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$addR->optLen=hexdec(substr($data,$startbyte+12,4))*2;
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if($addR->optLen!=0){
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$startbyte=$startbyte+16;
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$opt=substr($data,$startbyte,$addR->optLen);
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$opt_type=substr($opt,0,4);
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if($opt_type=='0008'){
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$addR->opt_type='CSUBNET';
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$csubnet_len=hexdec(substr($opt,4,4))*2;
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$csubnet_data=substr($opt,8,$csubnet_len);
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$csubnet_family=substr($csubnet_data,0,4);
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#IPv4
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if($csubnet_family=='0001'){
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$csubnet_source=substr($csubnet_data,4,2);
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$csubnet_scope=substr($csubnet_data,6,2);
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$csubnet_ip=long2ip(hexdec(substr(substr($csubnet_data,8,$csubnet_len-8).'00000000',0,8)));
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$addR->csubnet=['family'=>$csubnet_family,'source'=>$csubnet_source,'scope'=>$csubnet_scope,'ip'=>$csubnet_ip];
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}
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}
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}
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}
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}else{
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$addR=null;
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}
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$returndata= json_encode(array('type' => $type, 'name' => "$realname", 'id'=>"$id", 'query'=>"$query",'traffic'=>$traffic));
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$returndata= json_encode(array('type' => $type, 'name' => "$realname", 'id'=>"$id", 'query'=>"$query",'traffic'=>$traffic,'addR'=>$addR));
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return $returndata;
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}
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@ -10,7 +10,7 @@ use dnstools\ipv6; #用于IPv6相关
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class DnsController
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{
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public function DNS($type,$name,$rip,$id,$query,$traffic=0)
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public function DNS($type,$name,$rip,$ip,$id,$query,$traffic=0)
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{
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#输出信息
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#echo "\n Type:$type \n Domain: $name\n Client IP: $rip \n";
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@ -44,8 +44,7 @@ class DnsController
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if(!isset($send['ttl'])){
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$send['ttl']=0;
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}
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$send['info']=json_encode(['domain'=>$name,'querytype'=>$type,'answertype'=>$send['type'],'ip'=>$rip,'ttl'=>$send['ttl'],'detail'=>$send['detail']]);
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$return=json_encode($send);
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$send['info']=json_encode(['domain'=>$data->name,'querytype'=>$data->type,'answertype'=>$send['type'],'ip'=>$ip,'rip'=>$rip,'ttl'=>$send['ttl'],'detail'=>$send['detail']]); $return=json_encode($send);
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return $return;
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}
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}
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@ -12,12 +12,16 @@ class DnsProcess
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$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=$connection->getRemoteIp(); #客户端IP
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if(isset($data->addR->csubnet->ip)){
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$ip=$data->addR->csubnet->ip;
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}else{
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$ip=$rip;
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}
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#输出信息
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#echo "\n Type:$type \n Domain: $name\n Client IP: $rip \n";
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$dns=new DnsController;
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$return=$dns->DNS($type,$name,$rip,$data->id,$data->query,$data->traffic);
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$return=$dns->DNS($type,$name,$rip,$ip,$data->id,$data->query,$data->traffic);
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$connection->send($return);
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}
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