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Revision 1371

Added by Dietmar over 13 years ago

captcha patch (Tks to FrankH)

View differences:

calc_image.php
28 28 

  		




  29
  29
  
    
if(!isset($_SESSION['captcha_time']))


  		




  30
  30
  
    
	exit;


  		




  31
  
  
    
unset($_SESSION['captcha_time']);


  		




  
  31
  
    
//unset($_SESSION['captcha_time']);


  		




  32
  32
  
    

  		




  33
  33
  
    
// Captcha


  		




  34
  
  
    
$_SESSION['captcha'] = '';


  		




  
  34
  
    
$sec_id = '';


  		




  
  35
  
    
if(isset($_GET['s'])) $sec_id = $_GET['s'];


  		




  
  36
  
    
$_SESSION['captcha'.$sec_id] = '';


  		




  35
  37
  
    
mt_srand((double)microtime()*1000000);


  		




  36
  38
  
    
$n = mt_rand(1,3);


  		




  37
  39
  
    
switch ($n) {


  		




  38
  40
  
    
	case 1:


  		




  39
  41
  
    
		$x = mt_rand(1,9);


  		




  40
  42
  
    
		$y = mt_rand(1,9);


  		




  41
  
  
    
		$_SESSION['captcha'] = $x + $y;


  		




  
  43
  
    
		$_SESSION['captcha'.$sec_id] = $x + $y;


  		




  42
  44
  
    
		$cap = "$x+$y"; 


  		




  43
  45
  
    
		break; 


  		




  44
  46
  
    
	case 2:


  		




  45
  47
  
    
		$x = mt_rand(10,20);


  		




  46
  48
  
    
		$y = mt_rand(1,9);


  		




  47
  
  
    
		$_SESSION['captcha'] = $x - $y; 


  		




  
  49
  
    
		$_SESSION['captcha'.$sec_id] = $x - $y; 


  		




  48
  50
  
    
		$cap = "$x-$y"; 


  		




  49
  51
  
    
		break;


  		




  50
  52
  
    
	case 3:


  		




  51
  53
  
    
		$x = mt_rand(2,10);


  		




  52
  54
  
    
		$y = mt_rand(2,5);


  		




  53
  
  
    
		$_SESSION['captcha'] = $x * $y; 


  		




  
  55
  
    
		$_SESSION['captcha'.$sec_id] = $x * $y; 


  		




  54
  56
  
    
		$cap = "$x*$y"; 


  		




  55
  57
  
    
		break;


  		




  56
  58
  
    
}


  		












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