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Commit version 24.12.13800

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This commit is contained in:
Chris Hammer
2025-01-06 17:35:06 -05:00
parent b7f6a79c2c
commit 55d9218816
6133 changed files with 4239740 additions and 1374287 deletions
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72
libs/pear/Net/DNS2/Packet.php
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@ -214,39 +214,6 @@ class Net_DNS2_Packet
return $compname;
}
/**
* applies a standard DNS name compression on the given name/offset
*
* This logic was based on the Net::DNS::Packet::dn_comp() function
* by Michanel Fuhr
*
* @param string $name the name to be compressed
*
* @return string
* @access public
*
*/
public static function pack($name)
{
$offset = 0;
$names = explode('.', $name);
$compname = '';
while (!empty($names)) {
$first = array_shift($names);
$length = strlen($first);
$compname .= pack('Ca*', $length, $first);
$offset += $length + 1;
}
$compname .= "\0";
$offset++;
return $compname;
}
/**
* expands the domain name stored at a given offset in a DNS Packet
*
@ -322,39 +289,56 @@ class Net_DNS2_Packet
return trim($name, '.');
}
/**
* applies a standard DNS name compression on the given name/offset
*
* This logic was based on the Net::DNS::Packet::dn_comp() function
* by Michanel Fuhr
*
* @param string $name the name to be compressed
*
* @return string
* @access public
*
*/
public static function pack($name)
{
return (is_null($name) == true) ? null : pack('Ca*', strlen($name), $name);
}
/**
* parses a domain label from a DNS Packet at the given offset
*
* @param Net_DNS2_Packet &$packet the DNS packet to look in for the domain name
* @param integer &$offset the offset into the given packet object
* @param string $rdata the DNS packet to look in for the domain name
* @param integer &$offset the offset into the given packet object
*
* @return mixed either the domain name or null if it's not found.
* @access public
*
*/
public static function label(Net_DNS2_Packet &$packet, &$offset)
public static function label($rdata, &$offset)
{
$name = '';
if ($packet->rdlength < ($offset + 1)) {
if (strlen($rdata) < ($offset + 1))
{
return null;
}
$xlen = ord($packet->rdata[$offset]);
$xlen = ord($rdata[$offset]);
++$offset;
if (($xlen + $offset) > $packet->rdlength) {
if (($xlen + $offset) > strlen($rdata)) {
$name = substr($packet->rdata, $offset);
$offset = $packet->rdlength;
$name = substr($rdata, $offset);
$offset = strlen($rdata);
} else {
$name = substr($packet->rdata, $offset, $xlen);
$name = substr($rdata, $offset, $xlen);
$offset += $xlen;
}
return $name;
return trim($name, '.');
}
/**