function set_fromhost()
{
global $proxyIPs;
global $fullfromhost;
global $fromhost;
@($fullfromhost = $_SERVER["HTTP_X_FORWARDED_FOR"]);
if ($fullfromhost == "") {
@($fullfromhost = $_SERVER["REMOTE_ADDR"]);
$fromhost = $fullfromhost;
} else {
$ips = explode(",", $fullfromhost);
$c = count($ips);
if ($c > 1) {
$fromhost = trim($ips[$c - 1]);
if (isset($proxyIPs) && in_array($fromhost, $proxyIPs)) {
$fromhost = $ips[$c - 2];
}
} else {
$fromhost = $fullfromhost;
}
}
if ($fromhost == "") {
$fromhost = "127.0.0.1";
$fullfromhost = "127.0.0.1";
}
if (defined("IPV6_LEGACY_IPV4_DISPLAY")) {
if (strchr($fromhost, '.') && ($p = strrchr($fromhost, ':'))) {
$fromhost = substr($p, 1);
}
}
//sometimes,fromhost has strang space
bbs_setfromhost(trim($fromhost), trim($fullfromhost));
}
public static function setFrom($ip)
{
bbs_setfromhost($ip, "");
}
