public function check($ip, $list)
{
$v4 = !nforum_is_ipv6($ip);
foreach ((array) $list as $v) {
if (!is_string($v[0])) {
continue;
}
$tv4 = strpos($v[0], ':') === false;
if ($v4 && $tv4) {
if (mask_equal(ip2long($ip), ip2long($v[0]), $v[1])) {
return $v[2];
}
} else {
if (!$v4 && !$tv4) {
$arr1 = ipv62long($ip);
$arr2 = ipv62long($v[0]);
if ($v[1] > MASK_NUM_V6) {
if (!mask_equal_v6($arr1[1], $arr2[1], $v[1] - MASK_NUM_V6)) {
continue;
}
}
$mask = $v[1] > MASK_NUM_V6 ? MASK_NUM_V6 : $v[1];
if (mask_equal_v6($arr1[0], $arr2[0], $mask)) {
return $v[2];
}
}
}
}
return true;
}
/**
* test whether $ip1 and $ip2 will include each other return the wide one
* @param $ip1(array("ip", "mask")) number of ip
* @param $ip2(array("ip", "mask")) number of ip
* @param $type(int) max number of mask MASK_NUM_V4 default
* @return the wide one or false
* @author xw
*/
function ip_conflict($ip1, $ip2, $type = MASK_NUM_V4)
{
/*{{{*/
if ($ip1['mask'] > $ip2['mask']) {
$mask = $ip2['mask'];
if (mask_equal($ip1['ip'], $ip2['ip'], $mask, $type)) {
return $ip1;
}
} else {
if ($ip1['mask'] < $ip2['mask']) {
$mask = $ip1['mask'];
if (mask_equal($ip1['ip'], $ip2['ip'], $mask, $type)) {
return $ip2;
}
} else {
if ($ip1['ip'] == $ip2['ip']) {
return $ip1;
}
}
}
return false;
}
