0, 1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5,
6 => 6, 7 => 7, 8 => 8, 9 => 9, 10 => 'a',
11 => 'b', 12 => 'c', 13 => 'd', 14 => 'e',
15 => 'f' );
do
{
$h = $hex[($dec%16)] . $h;
$dec /= 16;
}
while( $dec >= 1 );
return $sign . $h;
}
function get_checksum($cs)
{
$var = computeUnsignedCRC32($cs);
//echo "crchex: ".$var."
";
$x = ('0x');
$a = substr($var, 0, 2);
$a = $x.$a;
$b = substr($var, 2, 2);
$b = $x.$b;
$c = substr($var, 4, 2);
$c = $x.$c;
$d = substr($var, 6, 2);
$d = $x.$d;
return chr($d).chr($c).chr($b).chr($a);
}
function rcon($serverip,$serverport,$rconpassword,$cmd){
$passhead = chr(0xFF).chr(0x00);
$head = chr(0x42).chr(0x45);
$pass = $passhead.$rconpassword;
$answer = "";
$checksum = get_checksum($pass);
$loginmsg = $head.$checksum.$pass;
$rcon = fsockopen("udp://".$serverip, $serverport, $errno, $errstr, 1);
stream_set_timeout($rcon, 1);
if (!$rcon) {
echo "ERROR: $errno - $errstr
\n";
} else {
fwrite($rcon, $loginmsg);
$res = fread($rcon, 16);
$cmdhead = chr(0xFF).chr(0x01).chr(0x00);
//$cmd = "Players";
$cmd = $cmdhead.$cmd;
$checksum = get_checksum($cmd);
$cmdmsg = $head.$checksum.$cmd;
$hlen = strlen($head.$checksum.chr(0xFF).chr(0x01));
fwrite($rcon, $cmdmsg);
$answer = fread($rcon, 102400);
if ( strToHex(substr($answer, 9, 1)) == "0"){
$count = strToHex(substr($answer, 10, 1));
//echo $count."
";
for ($i = 0; $i < $count-1; $i++){
$answer .= fread($rcon, 102400);
}
}
//echo strToHex(substr($answer, 0, 16))."
";
//echo strToHex($answer)."
";
//echo $answer."
";
$cmd = "Exit";
$cmd = $cmdhead.$cmd;
$checksum = get_checksum($cmd);
$cmdmsg = $head.$checksum.$cmd;
fwrite($rcon, $cmdmsg);
}
return $answer;
}
}
else
{
header('Location: index.php');
}
?>