[Sommaire] [Imprimer]

   1  <?php
   2  
   3      lt_include( PLOG_CLASS_PATH."class/data/validator/validator.class.php" );
   4  
   5      /**
   6       * \ingroup Validator
   7       * 
   8       * Matches ip address with masks. Returns true wether
   9       * the given ip address matches with the given mask
  10       */
  11      class IpMatchValidator extends Validator 
  12      {
  13  
  14      	function IpValidator()
  15          {
  16              $this->Validator();
  17          }
  18          
  19          function validate( $ip, $mask )
  20          {
  21              return $this->checkip( $ip, $mask );
  22          }
  23  
  24          /**
  25           * @private
  26           */
  27          function checkip($ip , $csiext)
  28          {
  29              $counter = 0;
  30  
  31              $range = explode("/",$csiext);
  32              if ($range[1] < 32) {
  33                  $maskbits = $range[1];
  34                  $hostbits = 32 - $maskbits;
  35  
  36                  $hostcount = pow(2, $hostbits)-1;
  37                  $ipstart = ip2long($range[0]);
  38                  $ipend = $ipstart + $hostcount;
  39                  if (ip2long($ip) >= $ipstart) {
  40                      if (ip2long($ip) <= $ipend) {
  41                          return (true);
  42                      }
  43                  }
  44              }
  45              else {
  46                  if (ip2long($ip) == ip2long($range[0])) {
  47                      return (true);
  48                  }
  49              }
  50  
  51              return(false);
  52          }
  53      }
  54  ?>