initial commit; version 22.5.12042

2022-12-12 23:28:25 -05:00
commit af1b03d79f
17653 changed files with 22692970 additions and 0 deletions
--- a/libs/pear/Net/DNS2/RR/KX.php
+++ b/libs/pear/Net/DNS2/RR/KX.php
@ -0,0 +1,131 @@
+<?php
+
+/**
+ * DNS Library for handling lookups and updates. 
+ *
+ * Copyright (c) 2020, Mike Pultz <mike@mikepultz.com>. All rights reserved.
+ *
+ * See LICENSE for more details.
+ *
+ * @category  Networking
+ * @package   Net_DNS2
+ * @author    Mike Pultz <mike@mikepultz.com>
+ * @copyright 2020 Mike Pultz <mike@mikepultz.com>
+ * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
+ * @link      https://netdns2.com/
+ * @since     File available since Release 0.6.0
+ *
+ */
+
+/**
+ * KX Resource Record - RFC2230 section 3.1
+ *
+ * This class is almost identical to MX, except that the the exchanger
+ * domain is not compressed, it's added as a label
+ *
+ *   +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+ *   |                  PREFERENCE                   |
+ *   +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+ *   /                   EXCHANGER                   /
+ *   /                                               /
+ *   +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+ *
+ */
+class Net_DNS2_RR_KX extends Net_DNS2_RR
+{
+    /*
+     * the preference for this mail exchanger
+     */    
+    public $preference;
+ 
+    /*
+     * the hostname of the mail exchanger
+     */
+    public $exchange;
+
+    /**
+     * method to return the rdata portion of the packet as a string
+     *
+     * @return  string
+     * @access  protected
+     *
+     */
+    protected function rrToString()
+    {
+        return $this->preference . ' ' . $this->cleanString($this->exchange) . '.';
+    }
+
+    /**
+     * parses the rdata portion from a standard DNS config line
+     *
+     * @param array $rdata a string split line of values for the rdata
+     *
+     * @return boolean
+     * @access protected
+     *
+     */
+    protected function rrFromString(array $rdata)
+    {
+        $this->preference   = array_shift($rdata);
+        $this->exchange     = $this->cleanString(array_shift($rdata));
+ 
+        return true;        
+    }
+
+    /**
+     * parses the rdata of the Net_DNS2_Packet object
+     *
+     * @param Net_DNS2_Packet &$packet a Net_DNS2_Packet packet to parse the RR from
+     *
+     * @return boolean
+     * @access protected
+     *
+     */
+    protected function rrSet(Net_DNS2_Packet &$packet)
+    {
+        if ($this->rdlength > 0) {
+   
+            //
+            // parse the preference
+            //
+            $x = unpack('npreference', $this->rdata);
+            $this->preference = $x['preference'];
+
+            //
+            // get the exchange entry server)
+            //
+            $offset = $packet->offset + 2;
+            $this->exchange = Net_DNS2_Packet::label($packet, $offset);
+
+            return true;
+        }
+      
+        return false;
+    }
+
+    /**
+     * returns the rdata portion of the DNS packet
+     *
+     * @param Net_DNS2_Packet &$packet a Net_DNS2_Packet packet use for
+     *                                 compressed names
+     *
+     * @return mixed                   either returns a binary packed
+     *                                 string or null on failure
+     * @access protected
+     *
+     */
+    protected function rrGet(Net_DNS2_Packet &$packet)
+    {
+        if (strlen($this->exchange) > 0) {
+     
+            $data = pack('nC', $this->preference, strlen($this->exchange)) . 
+                $this->exchange;
+
+            $packet->offset += strlen($data);
+
+            return $data;
+        }
+    
+        return null;
+    }
+}