<?
include('connectdb.php'); // подключение к серверу MySql и выбор БД
$userinfo='';
$state='0';
if($state != 1) {
  if( (isset($_POST['Serial_Program'])) & (isset($_POST['UID_Processor'])) & (isset($_POST['UID_Motherboard'])) ){ 
  $Serial_Program = $_POST['Serial_Program'];
    
  $sql = "SELECT id, UID_Processor, UID_Motherboard FROM Activation WHERE Serial_Program='$Serial_Program'";
  $res = mysql_query($sql);
    if(mysql_num_rows($res)>0) {// если пользователь есть в БД
      $userinfo = mysql_fetch_array($res);
      $UID_Processor = $_POST['UID_Processor'];
	  $UID_Motherboard = $_POST['UID_Motherboard'];
       if ( (strcmp($UID_Processor,md5($userinfo['UID_Processor']))) == 0  && (strcmp($UID_Motherboard,md5($userinfo['UID_Motherboard']))) == 0 ){
	
	// достаём все данные из БД
	$sql="SELECT * FROM Activation WHERE Serial_Program='$Serial_Program'";
	$res=mysql_query($sql);
	$userinfo=mysql_fetch_array($res);
	$state = 1;
		
      }
    }
  }
}
if($state != 1) {
	?>
	<form method="post" action="/index.php">
	Serial_Program: <input type="text" size="30" name="Serial_Program">
	UID_Processor: <input type="text" size="30" name="UID_Processor" >
	UID_Motherboard: <input type="text" size="30" name="UID_Motherboard">
	<input type="submit" value="Enter">
	</form>
	
<a href="/register.php">Registration</a>
	<?
	} else {
	  echo 'Congratulations!
 Your Serial_Program: '.$userinfo["Serial_Program"].'
UID_Processor: '.$userinfo["UID_Processor"].'
 UID_Motherboardl: '.$userinfo["UID_Motherboard"].'
 <a href="/index.php?exit=y">Exit</a>';
		}
?>