public function setNetwork($subnet, $netmask = null) { if ($netmask === null && strpos($subnet, '/') === false) { throw new Zend_Validate_Exception('If the netmask is not specified then the CIDR (e.g. /24) must be provided'); } if ($netmask === null) { $cidr = substr($subnet, strpos($subnet, '/') + 1); $subnet = substr($subnet, 0, strpos($subnet, '/')); try { $ipVersion = App_Util_Ip::getIpVersion($subnet); if ($ipVersion == App_Util_Ip::v4) { $netmask = App_Util_Ip::long2ipv4($cidr); } else { $netmask = App_Util_Ip::long2ipv6($cidr); } } catch (\Application\Exceptions\InvalidArgumentException $e) { throw new Zend_Validate_Exception('Invalid CIDR specified'); } } else { // Only for IPv6 we want to convert the prefix to IP, for other cases everything is fine if (App_Util_Ip::getIpVersion($subnet) == App_Util_Ip::v6) { $maskPrefix = explode("/", $netmask); if (count($maskPrefix) == 2) { $netmask = $maskPrefix[1]; } $netmask = App_Util_Ip::long2ipv6($netmask); } } // Final conversion to be able to make bytewise operations try { // this is kind of evil but it works fine for ipv4. For newer php // versions dtr_pton is not working as expected for some ips $this->_version = App_Util_Ip::getIpVersion($subnet); if ($this->_version == App_Util_Ip::v4) { $this->_subnet = ip2long($subnet); $this->_netmask = ip2long($netmask); } else { $this->_subnet = App_Util_Ip::dtr_pton($subnet); $this->_netmask = App_Util_Ip::dtr_pton($netmask); } } catch (Exception $e) { throw new Zend_Validate_Exception("Unexpected error. Incorrect address"); } }
public function testLong2Ipv4() { $this->assertEquals("255.255.255.0", App_Util_Ip::long2ipv4(24)); }