From e6c19f90a14d4b7ef69305b6441889bea545bbce Mon Sep 17 00:00:00 2001
From: Enoch <enoch@laysense.com>
Date: Mon, 29 Jan 2024 17:20:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0dns.php=E7=89=88=E6=9C=AC?=
 =?UTF-8?q?=EF=BC=8C=E8=A7=A3=E5=86=B3googleDNS=E3=80=81CloudFlareDNS?=
 =?UTF-8?q?=E7=AD=89dns=E9=80=92=E5=BD=92=E6=97=B6=E6=90=BA=E5=B8=A6DNSSEC?=
 =?UTF-8?q?=E5=90=8E=E6=97=A0=E6=B3=95=E8=A7=A3=E6=9E=90=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 readme.md            |  6 ++++-
 src/resource/Dns.php | 53 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 269cc2c..06edb48 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,7 @@
 # Webman DNS
 
 Webman的DNS服务器插件，可以实现Webman启动时运行一个DNS服务器
+请不要用于生产环境。
 
 > 注意：默认为udp53端口，需要ROOT权限
 
@@ -26,6 +27,8 @@ Webman的DNS服务器插件，可以实现Webman启动时运行一个DNS服务
 
 ## 安装
 
+在确保已经安装webman后执行
+
 ```shell
 composer require laysense/dns
 ```
@@ -96,7 +99,8 @@ class DnsController
 }
 ```
 
-具体的使用方式请参照 [Workerman-DNS](https://www.workerman.net/a/1439) ([Github](https://github.com/ywnsya/workerman-dns)) 下的start.php
+具体的使用方式请参照 [Workerman-DNS](https://git.laysense.com/enoch/Workerman-DNS) ([Github](https://github.com/ywnsya/workerman-dns)) 下的start.php
+
 
 ## 赞助(我不要脸)
 
diff --git a/src/resource/Dns.php b/src/resource/Dns.php
index f44ee5d..134c880 100644
--- a/src/resource/Dns.php
+++ b/src/resource/Dns.php
@@ -369,8 +369,11 @@ class Dns
      */
     public static function decode($buffer)
     {
+    /** 
         $data=bin2hex($buffer);
+        echo $data;
         $id=substr($data,0,4);
+        $flag=substr($data,5,4);
     $type=substr($data,-8,4);
     switch($type){
         case '0001':
@@ -410,8 +413,58 @@ class Dns
     }
     $realname=substr($realname,1,-1);
     $query=substr($data,24);
+    ***/
 
     #$returndata="$type".'|||'."$realname";
+    $data=bin2hex($buffer);
+    $id=substr($data,0,4);
+$flag=substr($data,4,4);
+$questions=substr($data,8,4);
+$answerRRs=substr($data,12,4);
+$authorityRRs=substr($data,16,4);
+$additionalRRs=substr($data,20,4);
+$startbyte=24;
+$dlen=substr($data,$startbyte,2);
+$startbyte=26;
+$i=1;
+while($dlen!='00'){
+$domain[$i]=hex2bin(substr($data,$startbyte,hexdec($dlen)*2));
+$startbyte=$startbyte+(hexdec($dlen)*2);
+$dlen=substr($data,$startbyte,2);
+$startbyte=$startbyte+2;
+$i++;
+}
+$realname=join(".",$domain);
+$type=substr($data,$startbyte,4);
+switch($type){
+    case '0001':
+        $type='A';
+        break;
+    case '0002':
+        $type='NS';
+        break;
+    case '000c':
+        $type='PTR';
+        break;
+    case '0006':
+        $type='SOA';
+        break;
+    case '001c':
+        $type='AAAA';
+        break;
+    case '0005':
+        $type='CNAME';
+        break;
+    case '0010':
+        $type='TEXT';
+        break;
+    case '000f':
+        $type='MX';
+        break;                                
+}
+$query=substr($data,24,$startbyte-16);
+
+
     $returndata= json_encode(array('type' => $type, 'name' => "$realname", 'id'=>"$id", 'query'=>"$query"));
 
         return $returndata;