@mysql_connect(__DB_SERVER, __DB_USERNAME, __DB_PASSWORD) or die(track('Database connection failed'));
//Select the database
@mysql_select_db(__DB_DATABASE) or die(track('Unable to select database'));
//Inputs that are needed, do not continue without these
valdata('peer_id', true);
valdata('port');
valdata('info_hash', true);
//Make sure we have something to use as a key
if (!isset($_GET['key'])) {
$_GET['key'] = '';
}
$downloaded = isset($_GET['uploaded']) ? intval($_GET['uploaded']) : 0;
$uploaded = isset($_GET['uploaded']) ? intval($_GET['uploaded']) : 0;
$left = isset($_GET['left']) ? intval($_GET['left']) : 0;
//Validate key as well
valdata('key');
//Do we have a valid client port?
if (!ctype_digit($_GET['port']) || $_GET['port'] < 1 || $_GET['port'] > 65535) {
die(track('Invalid client port'));
}
//Hack to get comatibility with trackon
if ($_GET['port'] == 999 && substr($_GET['peer_id'], 0, 10) == '-TO0001-XX') {
die("d8:completei0e10:incompletei0e8:intervali600e12:min intervali60e5:peersld2:ip12:72.14.194.184:port3:999ed2:ip11:72.14.194.14:port3:999ed2:ip12:72.14.194.654:port3:999eee");
}
mysql_query('INSERT INTO `peer` (`hash`, `user_agent`, `ip_address`, `key`, `port`) ' . "VALUES ('" . mysql_real_escape_string(bin2hex($_GET['peer_id'])) . "', '" . mysql_real_escape_string(substr($_SERVER['HTTP_USER_AGENT'], 0, 80)) . "', INET_ATON('" . mysql_real_escape_string($_SERVER['REMOTE_ADDR']) . "'), '" . mysql_real_escape_string(sha1($_GET['key'])) . "', " . intval($_GET['port']) . ") " . 'ON DUPLICATE KEY UPDATE `user_agent` = VALUES(`user_agent`), `ip_address` = VALUES(`ip_address`), `port` = VALUES(`port`), `id` = LAST_INSERT_ID(`peer`.`id`)') or die(track('Cannot update peer: ' . mysql_error()));
$pk_peer = mysql_insert_id();
mysql_query("INSERT INTO `torrent` (`hash`) VALUES ('" . mysql_real_escape_string(bin2hex($_GET['info_hash'])) . "') " . "ON DUPLICATE KEY UPDATE `id` = LAST_INSERT_ID(`id`)") or die(track('Cannot update torrent' . mysql_error()));
// ON DUPLICATE KEY UPDATE is just to make mysql_insert_id work
$pk_torrent = mysql_insert_id();
//User agent is required
if (!isset($_SERVER['HTTP_USER_AGENT'])) {
if (!is_string($_GET[$g])) {
die(track('Invalid types on one or more arguments'));
}
if ($must_be_20_chars && strlen($_GET[$g]) != 20) {
die(track('Invalid length on ' . $g . ' argument'));
}
if (strlen($_GET[$g]) > 128) {
//128 chars should really be enough
die(track('Argument ' . $g . ' is too large to handle'));
}
return $_GET[$g];
}
//Inputs that are needed, do not continue without these
$peer_id = valdata('peer_id', true);
$info_hash = valdata('info_hash', true);
$port = valdata('port');
//Do we have a valid client port?
if (!ctype_digit($_GET['port']) || $_GET['port'] < 1 || $_GET['port'] > 65535) {
die(track('Invalid client port'));
}
//Number of peers that the client would like to receive from the tracker.
$numwant = 50;
if (isset($_GET['numwant'])) {
$numwant = 0 + $_GET['numwant'];
}
//Find out if we are seeding or not. Assume not if unknown.
$is_seed = isset($_GET['left']) && $_GET['left'] == 0 ? true : false;
//Get IP
$ip = $_SERVER['REMOTE_ADDR'];
if (ip2long($ip)) {
$ip4 = $ip;
