/*
* Copyright 2009-2014 Jagornet Technologies, LLC. All Rights Reserved.
*
* This software is the proprietary information of Jagornet Technologies, LLC.
* Use is subject to license terms.
*
*/
/*
* This file DhcpConstants.java is part of Jagornet DHCP.
*
* Jagornet DHCP is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Jagornet DHCP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jagornet DHCP. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.jagornet.dhcp.util;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class DhcpConstants.
* Defines standard DHCPv6 constants
*
* @author A. Gregory Rabil
*/
public class DhcpConstants
{
private static Logger log = LoggerFactory.getLogger(DhcpConstants.class);
public static String JAGORNET_DHCP_HOME = System.getProperty("jagornet.dhcp.home");
public static boolean IS_WINDOWS = System.getProperty("os.name").startsWith("Windows");
public static InetAddress ZEROADDR_V4 = null;
public static InetAddress ZEROADDR_V6 = null;
public static InetAddress LOCALHOST_V4 = null;
public static InetAddress LOCALHOST_V6 = null;
public static InetAddress BROADCAST = null;
public static InetAddress ALL_DHCP_RELAY_AGENTS_AND_SERVERS = null;
public static InetAddress ALL_DHCP_SERVERS = null;
static {
try {
ZEROADDR_V4 = InetAddress.getByName("0.0.0.0");
ZEROADDR_V6 = InetAddress.getByName("::");
LOCALHOST_V4 = InetAddress.getByName("127.0.0.1");
LOCALHOST_V6 = InetAddress.getByName("::1");
BROADCAST = InetAddress.getByName("255.255.255.255");
ALL_DHCP_RELAY_AGENTS_AND_SERVERS = InetAddress.getByName("FF02::1:2");
ALL_DHCP_SERVERS = InetAddress.getByName("FF05::1:3");
}
catch (UnknownHostException ex) {
log.error("Failed to initialize IP constants: " + ex);
}
}
public static final int V6_CLIENT_PORT = 546;
public static final int V6_SERVER_PORT = 547;
/** DHCPv6 Message Types - use short to support unsigned byte. */
public static final short V6MESSAGE_TYPE_SOLICIT = 1;
public static final short V6MESSAGE_TYPE_ADVERTISE = 2;
public static final short V6MESSAGE_TYPE_REQUEST = 3;
public static final short V6MESSAGE_TYPE_CONFIRM = 4;
public static final short V6MESSAGE_TYPE_RENEW = 5;
public static final short V6MESSAGE_TYPE_REBIND = 6;
public static final short V6MESSAGE_TYPE_REPLY = 7;
public static final short V6MESSAGE_TYPE_RELEASE = 8;
public static final short V6MESSAGE_TYPE_DECLINE = 9;
public static final short V6MESSAGE_TYPE_RECONFIGURE = 10;
public static final short V6MESSAGE_TYPE_INFO_REQUEST = 11;
public static final short V6MESSAGE_TYPE_RELAY_FORW = 12;
public static final short V6MESSAGE_TYPE_RELAY_REPL = 13;
public static final String[] V6MESSAGE_STRING = { "Unknown",
"Solicit",
"Advertise",
"Request",
"Confirm",
"Renew",
"Rebind",
"Reply",
"Release",
"Decline",
"Reconfigure",
"Info-Request",
"Relay-Forward",
"Relay-Reply" };
/**
* Get the string representation of a DHCPv6 message
* given the message type. Note that the type is
* an unsigned byte, so we need a short to store
* it properly.
*
* @param msg the message type as a short (i.e. unsigned byte)
*
* @return the message string
*/
public static final String getV6MessageString(short msg)
{
if ( (msg > 0) && (msg <= V6MESSAGE_TYPE_RELAY_REPL)) {
return V6MESSAGE_STRING[msg];
}
return "Unknown";
}
/** DHCPv6 Options. */
public static final int V6OPTION_CLIENTID = 1;
public static final int V6OPTION_SERVERID = 2;
public static final int V6OPTION_IA_NA = 3;
public static final int V6OPTION_IA_TA = 4;
public static final int V6OPTION_IAADDR = 5;
public static final int V6OPTION_ORO = 6;
public static final int V6OPTION_PREFERENCE = 7;
public static final int V6OPTION_ELAPSED_TIME = 8;
public static final int V6OPTION_RELAY_MSG = 9;
// option code 10 is unassigned
public static final int V6OPTION_AUTH = 11;
public static final int V6OPTION_UNICAST = 12;
public static final int V6OPTION_STATUS_CODE = 13;
public static final int V6OPTION_RAPID_COMMIT = 14;
public static final int V6OPTION_USER_CLASS = 15;
public static final int V6OPTION_VENDOR_CLASS = 16;
public static final int V6OPTION_VENDOR_OPTS = 17;
public static final int V6OPTION_INTERFACE_ID = 18;
public static final int V6OPTION_RECONF_MSG = 19;
public static final int V6OPTION_RECONF_ACCEPT = 20;
public static final int V6OPTION_SIP_SERVERS_DOMAIN_LIST = 21;
public static final int V6OPTION_SIP_SERVERS_ADDRESS_LIST = 22;
public static final int V6OPTION_DNS_SERVERS = 23;
public static final int V6OPTION_DOMAIN_SEARCH_LIST = 24;
public static final int V6OPTION_IA_PD = 25;
public static final int V6OPTION_IA_PD_PREFIX = 26;
public static final int V6OPTION_NIS_SERVERS = 27;
public static final int V6OPTION_NISPLUS_SERVERS = 28;
public static final int V6OPTION_NIS_DOMAIN_NAME = 29;
public static final int V6OPTION_NISPLUS_DOMAIN_NAME = 30;
public static final int V6OPTION_SNTP_SERVERS = 31;
public static final int V6OPTION_INFO_REFRESH_TIME = 32;
public static final int V6OPTION_BCMCS_DOMAIN_NAMES = 33;
public static final int V6OPTION_BCMCS_ADDRESSES = 34;
public static final int V6OPTION_GEOCONF_CIVIC = 36;
public static final int V6OPTION_REMOTE_ID = 37;
public static final int V6OPTION_SUBSCRIBER_ID = 38;
public static final int V6OPTION_CLIENT_FQDN = 39;
public static final int V6OPTION_PANA_AGENT_ADDRESSES = 40;
public static final int V6OPTION_NEW_POSIX_TIMEZONE = 41;
public static final int V6OPTION_NEW_TZDB_TIMEZONE = 42;
public static final int V6OPTION_ECHO_REQUEST = 43;
public static final int V6OPTION_LOST_SERVER_DOMAIN_NAME = 51;
public static final int V6STATUS_CODE_SUCCESS = 0;
public static final int V6STATUS_CODE_UNSPEC_FAIL = 1;
public static final int V6STATUS_CODE_NOADDRSAVAIL = 2;
public static final int V6STATUS_CODE_NOBINDING = 3;
public static final int V6STATUS_CODE_NOTONLINK = 4;
public static final int V6STATUS_CODE_USEMULTICAST = 5;
public static final int V6STATUS_CODE_NOPREFIXAVAIL = 6;
// V4 Constants
public static final int V4_CLIENT_PORT = 68;
public static final int V4_SERVER_PORT = 67;
public static final int V4_OP_REQUEST = 1;
public static final int V4_OP_REPLY = 2;
public static final int V4MESSAGE_TYPE_DISCOVER = 1;
public static final int V4MESSAGE_TYPE_OFFER = 2;
public static final int V4MESSAGE_TYPE_REQUEST = 3;
public static final int V4MESSAGE_TYPE_DECLINE = 4;
public static final int V4MESSAGE_TYPE_ACK = 5;
public static final int V4MESSAGE_TYPE_NAK = 6;
public static final int V4MESSAGE_TYPE_RELEASE = 7;
public static final int V4MESSAGE_TYPE_INFORM = 8;
public static final String[] V4MESSAGE_STRING = { "Unknown",
"Discover",
"Offer",
"Request",
"Decline",
"Ack",
"Nack",
"Release",
"Inform" };
/**
* Get the string representation of a DHCPv4 message
* given the message type. Note that the type is
* an unsigned byte, so we need a short to store
* it properly.
*
* @param msg the message type as a short (i.e. unsigned byte)
*
* @return the message string
*/
public static final String getV4MessageString(short msg)
{
if ( (msg > 0) && (msg <= V4MESSAGE_TYPE_INFORM)) {
return V4MESSAGE_STRING[msg];
}
return "Unknown";
}
public static final int V4OPTION_SUBNET_MASK = 1;
public static final int V4OPTION_TIME_OFFSET = 2;
public static final int V4OPTION_ROUTERS = 3;
public static final int V4OPTION_TIME_SERVERS = 4;
public static final int V4OPTION_DOMAIN_SERVERS = 6;
public static final int V4OPTION_HOSTNAME = 12;
public static final int V4OPTION_DOMAIN_NAME = 15;
public static final int V4OPTION_VENDOR_INFO = 43;
public static final int V4OPTION_NETBIOS_NAME_SERVERS = 44;
public static final int V4OPTION_NETBIOS_NODE_TYPE = 46;
public static final int V4OPTION_REQUESTED_IP = 50;
public static final int V4OPTION_LEASE_TIME = 51;
public static final int V4OPTION_MESSAGE_TYPE = 53;
public static final int V4OPTION_SERVERID = 54;
public static final int V4OPTION_PARAM_REQUEST_LIST = 55;
public static final int V4OPTION_VENDOR_CLASS = 60;
public static final int V4OPTION_CLIENT_ID = 61;
public static final int V4OPTION_TFTP_SERVER_NAME = 66;
public static final int V4OPTION_BOOT_FILE_NAME = 67;
public static final int V4OPTION_RAPID_COMMIT = 80;
public static final int V4OPTION_CLIENT_FQDN = 81;
public static final int V4OPTION_RELAY_INFO = 82;
public static final int V4OPTION_EOF = 255;
}