Ejemplo n.º 1
0
 /**
  * Added compatibility for hosts that do not have inet_pton.
  *
  * @param $ip
  * @return bool|string
  */
 public static function _inet_pton($ip)
 {
     // IPv4
     if (preg_match('/^(?:\\d{1,3}(?:\\.|$)){4}/', $ip)) {
         $octets = explode('.', $ip);
         $bin = chr($octets[0]) . chr($octets[1]) . chr($octets[2]) . chr($octets[3]);
         return $bin;
     }
     // IPv6
     if (preg_match('/^((?:[\\da-f]{1,4}(?::|)){0,8})(::)?((?:[\\da-f]{1,4}(?::|)){0,8})$/i', $ip)) {
         if ($ip === '::') {
             return "";
         }
         $colon_count = wfWAFUtils::substr_count($ip, ':');
         $dbl_colon_pos = wfWAFUtils::strpos($ip, '::');
         if ($dbl_colon_pos !== false) {
             $ip = str_replace('::', str_repeat(':0000', ($dbl_colon_pos === 0 || $dbl_colon_pos === wfWAFUtils::strlen($ip) - 2 ? 9 : 8) - $colon_count) . ':', $ip);
             $ip = trim($ip, ':');
         }
         $ip_groups = explode(':', $ip);
         $ipv6_bin = '';
         foreach ($ip_groups as $ip_group) {
             $ipv6_bin .= pack('H*', str_pad($ip_group, 4, '0', STR_PAD_LEFT));
         }
         return wfWAFUtils::strlen($ipv6_bin) === 16 ? $ipv6_bin : false;
     }
     // IPv4 mapped IPv6
     if (preg_match('/^((?:0{1,4}(?::|)){0,5})(::)?ffff:((?:\\d{1,3}(?:\\.|$)){4})$/i', $ip, $matches)) {
         $octets = explode('.', $matches[3]);
         return "ÿÿ" . chr($octets[0]) . chr($octets[1]) . chr($octets[2]) . chr($octets[3]);
     }
     return false;
 }
Ejemplo n.º 2
0
 public function containsCount($subject)
 {
     if (is_array($this->getExpected())) {
         $this->multiplier = 0;
         foreach ($this->getExpected() as $val) {
             if ($val == $subject) {
                 $this->multiplier++;
             }
         }
         return $this->multiplier > 0;
     }
     $this->multiplier = wfWAFUtils::substr_count($subject, $this->getExpected());
     return $this->multiplier > 0;
 }
Ejemplo n.º 3
0
 /**
  * The current line of the scanned string.
  *
  * @return int
  */
 public function getLine()
 {
     if ($this->getPointer() + 1 > $this->getLength()) {
         return wfWAFUtils::substr_count($this->getString(), "\n") + 1;
     }
     return wfWAFUtils::substr_count($this->getString(), "\n", 0, $this->getPointer() + 1) + 1;
 }