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[ticket/16189] Make wrappers call native functions

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PHPBB3-16189
This commit is contained in:
rubencm 2019-10-30 22:40:01 +00:00
parent 0a7e98951b
commit 00682db8a6
1 changed files with 2 additions and 114 deletions
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116
phpBB/includes/functions_compatibility.php
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@ -639,60 +639,7 @@ function phpbb_checkdnsrr($host, $type = 'MX')
*/
function phpbb_inet_ntop($in_addr)
{
$in_addr = bin2hex($in_addr);
switch (strlen($in_addr))
{
case 8:
return implode('.', array_map('hexdec', str_split($in_addr, 2)));
case 32:
if (substr($in_addr, 0, 24) === '00000000000000000000ffff')
{
return phpbb_inet_ntop(pack('H*', substr($in_addr, 24)));
}
$parts = str_split($in_addr, 4);
$parts = preg_replace('/^0+(?!$)/', '', $parts);
$ret = implode(':', $parts);
$matches = array();
preg_match_all('/(?<=:|^)(?::?0){2,}/', $ret, $matches, PREG_OFFSET_CAPTURE);
$matches = $matches[0];
if (empty($matches))
{
return $ret;
}
$longest_match = '';
$longest_match_offset = 0;
foreach ($matches as $match)
{
if (strlen($match[0]) > strlen($longest_match))
{
$longest_match = $match[0];
$longest_match_offset = $match[1];
}
}
$ret = substr_replace($ret, '', $longest_match_offset, strlen($longest_match));
if ($longest_match_offset == strlen($ret))
{
$ret .= ':';
}
if ($longest_match_offset == 0)
{
$ret = ':' . $ret;
}
return $ret;
default:
return false;
}
return inet_ntop($in_addr);
}
/**
@ -710,64 +657,5 @@ function phpbb_inet_ntop($in_addr)
*/
function phpbb_inet_pton($address)
{
$ret = '';
if (preg_match(get_preg_expression('ipv4'), $address))
{
foreach (explode('.', $address) as $part)
{
$ret .= ($part <= 0xF ? '0' : '') . dechex($part);
}
return pack('H*', $ret);
}
if (preg_match(get_preg_expression('ipv6'), $address))
{
$parts = explode(':', $address);
$missing_parts = 8 - count($parts) + 1;
if (substr($address, 0, 2) === '::')
{
++$missing_parts;
}
if (substr($address, -2) === '::')
{
++$missing_parts;
}
$embedded_ipv4 = false;
$last_part = end($parts);
if (preg_match(get_preg_expression('ipv4'), $last_part))
{
$parts[count($parts) - 1] = '';
$last_part = phpbb_inet_pton($last_part);
$embedded_ipv4 = true;
--$missing_parts;
}
foreach ($parts as $i => $part)
{
if (strlen($part))
{
$ret .= str_pad($part, 4, '0', STR_PAD_LEFT);
}
else if ($i && $i < count($parts) - 1)
{
$ret .= str_repeat('0000', $missing_parts);
}
}
$ret = pack('H*', $ret);
if ($embedded_ipv4)
{
$ret .= $last_part;
}
return $ret;
}
return false;
return inet_pton($address);
}