function parse_transaction($data, $num = 20)
{
do {
$length = decode_length($data);
// print '$length='.$length."\n";
if ($length) {
$return_array[] = string_shift($data, $length);
}
} while ($length);
return $return_array;
}
$string = substr($string, $index);
return $substr;
}
function decode_length(&$string)
{
$length = ord(string_shift($string));
if ($length & 0x80) {
$length &= 0x7f;
$temp = string_shift($string, $length);
list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4));
}
return $length;
}
$ip = $_SERVER['REMOTE_ADDR'];
if (substr($ip, 0, 7) != '192.168') {
die('error ip ' . $ip);
}
$encrypted_data = $_POST['data'];
$size = decode_length($encrypted_data);
$host = string_shift($encrypted_data, $size);
if (!preg_match('/^https?:\\/\\/[0-9a-z\\_\\.\\-\\/:]{1,100}[\\/]$/iD', $host)) {
die('error host ' . $host);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $host . 'gate_tx.php');
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 600);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, 'data=' . urlencode($encrypted_data));
curl_exec($ch);
curl_close($ch);
