diff options
Diffstat (limited to 'phpBB/includes/session.php')
| -rw-r--r-- | phpBB/includes/session.php | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/phpBB/includes/session.php b/phpBB/includes/session.php index 8cef9c3806..b61643dea5 100644 --- a/phpBB/includes/session.php +++ b/phpBB/includes/session.php @@ -847,6 +847,45 @@ class session } /** + * Check if ip is blacklisted + * This should be called only where absolutly necessary + * + * Only IPv4 (rbldns does not support AAAA records/IPv6 lookups) + * + * @author satmd (from the php manual) + * @return false if ip is not blacklisted, else an array([checked server], [lookup]) + */ + function check_dnsbl($ip = false) + { + if ($ip === false) + { + $ip = $this->ip; + } + + $dnsbl_check = array( + 'bl.spamcop.net' => 'http://spamcop.net/bl.shtml?', + 'list.dsbl.org' => 'http://dsbl.org/listing?', + 'sbl-xbl.spamhaus.org' => 'http://www.spamhaus.org/query/bl?ip=', + ); + + if ($ip) + { + $quads = explode('.', $ip); + $reverse_ip = $quads[3] . '.' . $quads[2] . '.' . $quads[1] . '.' . $quads[0]; + + foreach ($dnsbl_check as $dnsbl => $lookup) + { + if (phpbb_checkdnsrr($reverse_ip . '.' . $dnsbl . '.', 'A') === true) + { + return array($dnsbl, $lookup . $ip); + } + } + } + + return false; + } + + /** * Set/Update a persistent login key * * This method creates or updates a persistent session key. When a user makes |