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Merge branch 'ticket/bantu/9534' into develop-olympus

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* ticket/bantu/9534:
  [ticket/9534] Update function documentation for user_ipwhois().
  [ticket/9534] Adding support for IPv6 addresses in user_ipwhois().
This commit is contained in:
Josh Woody 2010-08-19 10:48:41 -05:00
commit 6343e67fab
1 changed files with 27 additions and 10 deletions
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37
phpBB/includes/functions_user.php
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@ -1229,22 +1229,39 @@ function user_unban($mode, $ban)
}
/**
* Whois facility
* Internet Protocol Address Whois
* RFC3912: WHOIS Protocol Specification
*
* @link http://tools.ietf.org/html/rfc3912 RFC3912: WHOIS Protocol Specification
* @param string $ip Ip address, either IPv4 or IPv6.
*
* @return string Empty string if not a valid ip address.
* Otherwise make_clickable()'ed whois result.
*/
function user_ipwhois($ip)
{
$ipwhois = '';
// Check IP
// Only supporting IPv4 at the moment...
if (empty($ip) || !preg_match(get_preg_expression('ipv4'), $ip))
if (empty($ip))
{
return '';
}
if (($fsk = @fsockopen('whois.arin.net', 43)))
if (preg_match(get_preg_expression('ipv4'), $ip))
{
// IPv4 address
$whois_host = 'whois.arin.net.';
}
else if (preg_match(get_preg_expression('ipv6'), $ip))
{
// IPv6 address
$whois_host = 'whois.sixxs.net.';
}
else
{
return '';
}
$ipwhois = '';
if (($fsk = @fsockopen($whois_host, 43)))
{
// CRLF as per RFC3912
fputs($fsk, "$ip\r\n");
@ -1257,7 +1274,7 @@ function user_ipwhois($ip)
$match = array();
// Test for referrals from ARIN to other whois databases, roll on rwhois
// Test for referrals from $whois_host to other whois databases, roll on rwhois
if (preg_match('#ReferralServer: whois://(.+)#im', $ipwhois, $match))
{
if (strpos($match[1], ':') !== false)
@ -1285,7 +1302,7 @@ function user_ipwhois($ip)
@fclose($fsk);
}
// Use the result from ARIN if we don't get any result here
// Use the result from $whois_host if we don't get any result here
$ipwhois = (empty($buffer)) ? $ipwhois : $buffer;
}