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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* This file contains the implementation of the Net_IPv6 class
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to the New BSD license, that is
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* available through the world-wide-web at
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* http://www.opensource.org/licenses/bsd-license.php
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* If you did not receive a copy of the new BSDlicense and are unable
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* to obtain it through the world-wide-web, please send a note to
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* license@php.net so we can mail you a copy immediately
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*
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* @category Net
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* @package Net_IPv6
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* @author Alexander Merz <alexander.merz@web.de>
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* @copyright 2003-2005 The PHP Group
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* @license http://www.opensource.org/licenses/bsd-license.php
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* @version CVS: $Id: IPv6.inc,v 1.2 2008/11/26 03:54:43 sumacob Exp $
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* @link http://pear.php.net/package/Net_IPv6
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*/
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// {{{ constants
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/**
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* Error message if netmask bits was not found
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* @see isInNetmask
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*/
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define("NET_IPV6_NO_NETMASK_MSG", "Netmask length not found");
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/**
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* Error code if netmask bits was not found
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* @see isInNetmask
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*/
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define("NET_IPV6_NO_NETMASK", 10);
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/**
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* Address Type: Unassigned (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_UNASSIGNED", 1);
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/**
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* Address Type: Reserved (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_RESERVED", 11);
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/**
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* Address Type: Reserved for NSAP Allocation (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_RESERVED_NSAP", 12);
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/**
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* Address Type: Reserved for IPX Allocation (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_RESERVED_IPX", 13);
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/**
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* Address Type: Reserved for Geographic-Based Unicast Addresses
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* (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC", 14);
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/**
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* Address Type: Provider-Based Unicast Address (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_UNICAST_PROVIDER", 22);
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/**
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* Address Type: Multicast Addresses (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_MULTICAST", 31);
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/**
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* Address Type: Link Local Use Addresses (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_LOCAL_LINK", 42);
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/**
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* Address Type: Link Local Use Addresses (RFC 1884, Section 2.3)
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* @see getAddressType()
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*/
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define("NET_IPV6_LOCAL_SITE", 43);
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/**
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* Address Type: address can not assigned to a specific type
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* @see getAddressType()
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*/
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define("NET_IPV6_UNKNOWN_TYPE", 1001);
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// }}}
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// {{{ Net_IPv6
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/**
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* Class to validate and to work with IPv6 addresses.
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*
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* @category Net
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* @package Net_IPv6
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* @copyright 2003-2005 The PHP Group
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* @license http://www.opensource.org/licenses/bsd-license.php
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* @version $Release$
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* @link http://pear.php.net/package/Net_IPv6
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* @author Alexander Merz <alexander.merz@web.de>
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* @author <elfrink at introweb dot nl>
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* @author Josh Peck <jmp at joshpeck dot org>
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*/
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class Net_IPv6 {
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// {{{ removeNetmaskBits()
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/**
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* Removes a possible existing netmask specification at an IP addresse.
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*
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* @param String $ip the (compressed) IP as Hex representation
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*
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* @return String the IP without netmask length
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* @since 1.1.0
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* @access public
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* @static
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*/
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function removeNetmaskSpec($ip)
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{
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$addr = $ip;
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if (false !== strpos($ip, '/')) {
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$elements = explode('/', $ip);
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if (2 == count($elements)) {
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$addr = $elements[0];
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}
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}
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return $addr;
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}
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/**
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* Returns a possible existing netmask specification at an IP addresse.
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*
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* @param String $ip the (compressed) IP as Hex representation
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*
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* @return String the netmask spec
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* @since 1.1.0
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* @access public
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* @static
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*/
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function getNetmaskSpec($ip)
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{
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$spec = '';
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if (false !== strpos($ip, '/')) {
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$elements = explode('/', $ip);
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if (2 == count($elements)) {
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$spec = $elements[1];
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}
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}
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return $spec;
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}
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// }}}
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// {{{ getNetmask()
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/**
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* Calculates the network prefix based on the netmask bits.
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*
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* @param String $ip the (compressed) IP in Hex format
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* @param int $bits if the number of netmask bits is not part of the IP
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* you must provide the number of bits
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*
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* @return String the network prefix
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* @since 1.1.0
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* @access public
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* @static
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*/
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function getNetmask($ip, $bits = null)
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{
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if (null==$bits) {
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$elements = explode('/', $ip);
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if (2 == count($elements)) {
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$addr = $elements[0];
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$bits = $elements[1];
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} else {
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include_once 'PEAR.inc';
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return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
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NET_IPV6_NO_NETMASK);
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}
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} else {
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$addr = $ip;
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}
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$addr = Net_IPv6::uncompress($addr);
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$binNetmask = str_repeat('1', $bits).str_repeat('0', 128 - $bits);
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return Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($addr) & $binNetmask);
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}
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// }}}
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// {{{ isInNetmask()
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/**
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* Checks if an (compressed) IP is in a specific address space.
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*
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* IF the IP does not contains the number of netmask bits (F8000::FFFF/16)
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* then you have to use the $bits parameter.
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*
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* @param String $ip the IP to check (eg. F800::FFFF)
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* @param String $netmask the netmask (eg F800::)
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* @param int $bits the number of netmask bits to compare,
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* if not given in $ip
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*
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* @return boolean true if $ip is in the netmask
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* @since 1.1.0
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* @access public
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* @static
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*/
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function isInNetmask($ip, $netmask, $bits=null)
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{
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// try to get the bit count
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if (null == $bits) {
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$elements = explode('/', $ip);
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if (2 == count($elements)) {
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$ip = $elements[0];
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$bits = $elements[1];
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} else if (null == $bits) {
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$elements = explode('/', $netmask);
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if (2 == count($elements)) {
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$netmask = $elements[0];
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$bits = $elements[1];
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}
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if (null == $bits) {
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include_once 'PEAR.inc';
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return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
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NET_IPV6_NO_NETMASK);
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}
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}
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}
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$binIp = Net_IPv6::_ip2Bin(Net_IPv6::removeNetmaskSpec($ip));
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$binNetmask = Net_IPv6::_ip2Bin(Net_IPv6::removeNetmaskSpec($netmask));
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if (null != $bits
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&& "" != $bits
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&& 0 == strncmp( $binNetmask, $binIp, $bits)) {
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return true;
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}
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return false;
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}
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// }}}
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// {{{ getAddressType()
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/**
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* Returns the type of an IPv6 address.
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*
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* RFC 1883, Section 2.3 describes several types of addresses in
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* the IPv6 addresse space.
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* Several addresse types are markers for reserved spaces and as
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* consequence a subject to change.
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*
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* @param String $ip the IP address in Hex format,
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* compressed IPs are allowed
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*
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* @return int one of the addresse type constants
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* @access public
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* @since 1.1.0
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* @static
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*
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* @see NET_IPV6_UNASSIGNED
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* @see NET_IPV6_RESERVED
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* @see NET_IPV6_RESERVED_NSAP
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* @see NET_IPV6_RESERVED_IPX
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* @see NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC
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* @see NET_IPV6_UNICAST_PROVIDER
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* @see NET_IPV6_MULTICAST
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* @see NET_IPV6_LOCAL_LINK
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* @see NET_IPV6_LOCAL_SITE
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* @see NET_IPV6_UNKNOWN_TYPE
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*/
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function getAddressType($ip)
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{
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$ip = Net_IPv6::removeNetmaskSpec($ip);
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$binip = Net_IPv6::_ip2Bin($ip);
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if (0 == strncmp('1111111010', $binip, 10)) {
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return NET_IPV6_LOCAL_LINK;
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} else if (0 == strncmp('1111111011', $binip, 10)) {
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return NET_IPV6_LOCAL_SITE;
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} else if (0 == strncmp('111111100', $binip, 9)) {
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return NET_IPV6_UNASSIGNED;
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} else if (0 == strncmp('11111111', $binip, 8)) {
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return NET_IPV6_MULTICAST;
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} else if (0 == strncmp('00000000', $binip, 8)) {
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return NET_IPV6_RESERVED;
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} else if (0 == strncmp('00000001', $binip, 8)
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|| 0 == strncmp('1111110', $binip, 7)) {
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return NET_IPV6_UNASSIGNED;
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} else if (0 == strncmp('0000001', $binip, 7)) {
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return NET_IPV6_RESERVED_NSAP;
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} else if (0 == strncmp('0000010', $binip, 7)) {
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return NET_IPV6_RESERVED_IPX;;
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} else if (0 == strncmp('0000011', $binip, 7) ||
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0 == strncmp('111110', $binip, 6) ||
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0 == strncmp('11110', $binip, 5) ||
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0 == strncmp('00001', $binip, 5) ||
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0 == strncmp('1110', $binip, 4) ||
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0 == strncmp('0001', $binip, 4) ||
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0 == strncmp('001', $binip, 3) ||
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0 == strncmp('011', $binip, 3) ||
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0 == strncmp('101', $binip, 3) ||
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0 == strncmp('110', $binip, 3)) {
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return NET_IPV6_UNASSIGNED;
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} else if (0 == strncmp('010', $binip, 3)) {
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return NET_IPV6_UNICAST_PROVIDER;
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} else if (0 == strncmp('100', $binip, 3)) {
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return NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC;
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}
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return NET_IPV6_UNKNOWN_TYPE;
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}
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// }}}
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// {{{ Uncompress()
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390 |
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/**
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* Uncompresses an IPv6 adress
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*
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* RFC 2373 allows you to compress zeros in an adress to '::'. This
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* function expects an valid IPv6 adress and expands the '::' to
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* the required zeros.
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*
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* Example: FF01::101 -> FF01:0:0:0:0:0:0:101
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* ::1 -> 0:0:0:0:0:0:0:1
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*
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* @access public
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* @see Compress()
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* @static
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* @param string $ip a valid IPv6-adress (hex format)
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* @return string the uncompressed IPv6-adress (hex format)
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*/
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function uncompress($ip)
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{
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$prefix = Net_IPv6::getPrefixLength($ip);
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if (false === $prefix) {
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$prefix = '';
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} else {
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$ip = Net_IPv6::removePrefixLength($ip);
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$prefix = '/'.$prefix;
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}
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$netmask = Net_IPv6::getNetmaskSpec($ip);
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$uip = Net_IPv6::removeNetmaskSpec($ip);
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$c1 = -1;
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$c2 = -1;
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if (false !== strpos($uip, '::') ) {
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list($ip1, $ip2) = explode('::', $uip);
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if("" == $ip1) {
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$c1 = -1;
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} else {
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$pos = 0;
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if (0 < ($pos = substr_count($ip1, ':'))) {
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$c1 = $pos;
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} else {
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$c1 = 0;
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}
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}
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if ("" == $ip2) {
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|
453 |
$c2 = -1;
|
|
454 |
|
|
455 |
} else {
|
|
456 |
|
|
457 |
$pos = 0;
|
|
458 |
|
|
459 |
if (0 < ($pos = substr_count($ip2, ':'))) {
|
|
460 |
|
|
461 |
$c2 = $pos;
|
|
462 |
|
|
463 |
} else {
|
|
464 |
|
|
465 |
$c2 = 0;
|
|
466 |
|
|
467 |
}
|
|
468 |
|
|
469 |
}
|
|
470 |
|
|
471 |
if (strstr($ip2, '.')) {
|
|
472 |
|
|
473 |
$c2++;
|
|
474 |
|
|
475 |
}
|
|
476 |
if (-1 == $c1 && -1 == $c2) { // ::
|
|
477 |
|
|
478 |
$uip = "0:0:0:0:0:0:0:0";
|
|
479 |
|
|
480 |
} else if (-1 == $c1) { // ::xxx
|
|
481 |
|
|
482 |
$fill = str_repeat('0:', 7-$c2);
|
|
483 |
$uip = str_replace('::', $fill, $uip);
|
|
484 |
|
|
485 |
} else if (-1 == $c2) { // xxx::
|
|
486 |
|
|
487 |
$fill = str_repeat(':0', 7-$c1);
|
|
488 |
$uip = str_replace('::', $fill, $uip);
|
|
489 |
|
|
490 |
} else { // xxx::xxx
|
|
491 |
|
|
492 |
$fill = str_repeat(':0:', 6-$c2-$c1);
|
|
493 |
$uip = str_replace('::', $fill, $uip);
|
|
494 |
$uip = str_replace('::', ':', $uip);
|
|
495 |
|
|
496 |
}
|
|
497 |
}
|
|
498 |
if ('' != $netmask) {
|
|
499 |
|
|
500 |
$uip = $uip.'/'.$netmask;
|
|
501 |
|
|
502 |
}
|
|
503 |
|
|
504 |
return $uip.$prefix;
|
|
505 |
}
|
|
506 |
|
|
507 |
// }}}
|
|
508 |
// {{{ Compress()
|
|
509 |
|
|
510 |
/**
|
|
511 |
* Compresses an IPv6 adress
|
|
512 |
*
|
|
513 |
* RFC 2373 allows you to compress zeros in an adress to '::'. This
|
|
514 |
* function expects an valid IPv6 adress and compresses successive zeros
|
|
515 |
* to '::'
|
|
516 |
*
|
|
517 |
* Example: FF01:0:0:0:0:0:0:101 -> FF01::101
|
|
518 |
* 0:0:0:0:0:0:0:1 -> ::1
|
|
519 |
*
|
|
520 |
* @access public
|
|
521 |
* @see Uncompress()
|
|
522 |
* @static
|
|
523 |
* @param string $ip a valid IPv6-adress (hex format)
|
|
524 |
* @return string the compressed IPv6-adress (hex format)
|
|
525 |
* @author elfrink at introweb dot nl
|
|
526 |
*/
|
|
527 |
function compress($ip)
|
|
528 |
{
|
|
529 |
$prefix = Net_IPv6::getPrefixLength($ip);
|
|
530 |
|
|
531 |
if (false === $prefix) {
|
|
532 |
|
|
533 |
$prefix = '';
|
|
534 |
|
|
535 |
} else {
|
|
536 |
|
|
537 |
$ip = Net_IPv6::removePrefixLength($ip);
|
|
538 |
$prefix = '/'.$prefix;
|
|
539 |
|
|
540 |
}
|
|
541 |
|
|
542 |
$netmask = Net_IPv6::getNetmaskSpec($ip);
|
|
543 |
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
|
544 |
|
|
545 |
if (!strstr($ip, '::')) {
|
|
546 |
|
|
547 |
$ipp = explode(':',$ip);
|
|
548 |
|
|
549 |
for ($i = 0; $i < count($ipp); $i++) {
|
|
550 |
|
|
551 |
$ipp[$i] = dechex(hexdec($ipp[$i]));
|
|
552 |
|
|
553 |
}
|
|
554 |
|
|
555 |
$cip = ':' . join(':',$ipp) . ':';
|
|
556 |
|
|
557 |
preg_match_all("/(:0)+/", $cip, $zeros);
|
|
558 |
|
|
559 |
if (count($zeros[0]) > 0) {
|
|
560 |
|
|
561 |
$match = '';
|
|
562 |
|
|
563 |
foreach($zeros[0] as $zero) {
|
|
564 |
|
|
565 |
if (strlen($zero) > strlen($match)) {
|
|
566 |
|
|
567 |
$match = $zero;
|
|
568 |
|
|
569 |
}
|
|
570 |
}
|
|
571 |
|
|
572 |
$cip = preg_replace('/' . $match . '/', ':', $cip, 1);
|
|
573 |
|
|
574 |
}
|
|
575 |
|
|
576 |
$cip = preg_replace('/((^:)|(:$))/', '' ,$cip);
|
|
577 |
$cip = preg_replace('/((^:)|(:$))/', '::' ,$cip);
|
|
578 |
|
|
579 |
}
|
|
580 |
if ('' != $netmask) {
|
|
581 |
|
|
582 |
$cip = $cip.'/'.$netmask;
|
|
583 |
|
|
584 |
}
|
|
585 |
|
|
586 |
return $cip.$prefix;
|
|
587 |
}
|
|
588 |
|
|
589 |
// }}}
|
|
590 |
// {{{ SplitV64()
|
|
591 |
|
|
592 |
/**
|
|
593 |
* Splits an IPv6 adress into the IPv6 and a possible IPv4 part
|
|
594 |
*
|
|
595 |
* RFC 2373 allows you to note the last two parts of an IPv6 adress as
|
|
596 |
* an IPv4 compatible adress
|
|
597 |
*
|
|
598 |
* Example: 0:0:0:0:0:0:13.1.68.3
|
|
599 |
* 0:0:0:0:0:FFFF:129.144.52.38
|
|
600 |
*
|
|
601 |
* @param string $ip a valid IPv6-adress (hex format)
|
|
602 |
*
|
|
603 |
* @return array [0] contains the IPv6 part,
|
|
604 |
* [1] the IPv4 part (hex format)
|
|
605 |
* @access public
|
|
606 |
* @static
|
|
607 |
*/
|
|
608 |
function SplitV64($ip, $uncompress = true)
|
|
609 |
{
|
|
610 |
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
|
611 |
|
|
612 |
if ($uncompress) {
|
|
613 |
|
|
614 |
$ip = Net_IPv6::Uncompress($ip);
|
|
615 |
|
|
616 |
}
|
|
617 |
|
|
618 |
if (strstr($ip, '.')) {
|
|
619 |
|
|
620 |
$pos = strrpos($ip, ':');
|
|
621 |
$ip{$pos} = '_';
|
|
622 |
$ipPart = explode('_', $ip);
|
|
623 |
|
|
624 |
return $ipPart;
|
|
625 |
|
|
626 |
} else {
|
|
627 |
|
|
628 |
return array($ip, "");
|
|
629 |
|
|
630 |
}
|
|
631 |
}
|
|
632 |
|
|
633 |
// }}}
|
|
634 |
// {{{ checkIPv6()
|
|
635 |
|
|
636 |
/**
|
|
637 |
* Checks an IPv6 adress
|
|
638 |
*
|
|
639 |
* Checks if the given IP is IPv6-compatible
|
|
640 |
*
|
|
641 |
* @access public
|
|
642 |
* @static
|
|
643 |
* @param string $ip a valid IPv6-adress
|
|
644 |
* @return boolean true if $ip is an IPv6 adress
|
|
645 |
*/
|
|
646 |
function checkIPv6($ip)
|
|
647 |
{
|
|
648 |
$ip = Net_IPv6::removePrefixLength($ip);
|
|
649 |
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
|
650 |
|
|
651 |
$ipPart = Net_IPv6::SplitV64($ip);
|
|
652 |
$count = 0;
|
|
653 |
|
|
654 |
if (!empty($ipPart[0]))
|
|
655 |
{
|
|
656 |
$ipv6 =explode(':', $ipPart[0]);
|
|
657 |
|
|
658 |
for ($i = 0; $i < count($ipv6); $i++) {
|
|
659 |
|
|
660 |
$dec = hexdec($ipv6[$i]);
|
|
661 |
$hex = strtoupper(preg_replace("/^[0]{1,3}(.*[0-9a-fA-F])$/",
|
|
662 |
"\\1",
|
|
663 |
$ipv6[$i]));
|
|
664 |
|
|
665 |
if ($ipv6[$i] >= 0 && $dec <= 65535
|
|
666 |
&& $hex == strtoupper(dechex($dec))) {
|
|
667 |
|
|
668 |
$count++;
|
|
669 |
|
|
670 |
}
|
|
671 |
|
|
672 |
}
|
|
673 |
|
|
674 |
if (8 == $count) {
|
|
675 |
|
|
676 |
return true;
|
|
677 |
|
|
678 |
} else if (6 == $count and !empty($ipPart[1])) {
|
|
679 |
|
|
680 |
$ipv4 = explode('.',$ipPart[1]);
|
|
681 |
$count = 0;
|
|
682 |
|
|
683 |
for ($i = 0; $i < count($ipv4); $i++) {
|
|
684 |
|
|
685 |
if ($ipv4[$i] >= 0 && (integer)$ipv4[$i] <= 255
|
|
686 |
&& preg_match("/^\d{1,3}$/", $ipv4[$i])) {
|
|
687 |
|
|
688 |
$count++;
|
|
689 |
|
|
690 |
}
|
|
691 |
|
|
692 |
}
|
|
693 |
|
|
694 |
if (4 == $count) {
|
|
695 |
|
|
696 |
return true;
|
|
697 |
|
|
698 |
}
|
|
699 |
|
|
700 |
} else {
|
|
701 |
|
|
702 |
return false;
|
|
703 |
|
|
704 |
}
|
|
705 |
|
|
706 |
} else {
|
|
707 |
|
|
708 |
return false;
|
|
709 |
|
|
710 |
}
|
|
711 |
|
|
712 |
}
|
|
713 |
|
|
714 |
// }}}
|
|
715 |
// {{{ getPrefixLength()
|
|
716 |
|
|
717 |
/**
|
|
718 |
* Tests for a prefix length specification in the address
|
|
719 |
* and returns the prefix length, if exists
|
|
720 |
*
|
|
721 |
* @param String $ip a valid ipv6 address
|
|
722 |
*
|
|
723 |
* @return Mixed the prefix as String or false, if no prefix was found
|
|
724 |
* @access public
|
|
725 |
* @static
|
|
726 |
*/
|
|
727 |
function getPrefixLength($ip)
|
|
728 |
{
|
|
729 |
if (preg_match("/^([0-9a-fA-F:]{2,39})\/(\d{1,3})*$/",
|
|
730 |
$ip, $matches)) {
|
|
731 |
|
|
732 |
return $matches[2];
|
|
733 |
|
|
734 |
} else {
|
|
735 |
|
|
736 |
return false;
|
|
737 |
|
|
738 |
}
|
|
739 |
|
|
740 |
}
|
|
741 |
|
|
742 |
// }}}
|
|
743 |
// {{{ removePrefixLength()
|
|
744 |
|
|
745 |
/**
|
|
746 |
* Tests for a prefix length specification in the address
|
|
747 |
* and removes the prefix length, if exists
|
|
748 |
*
|
|
749 |
* @param String $ip a valid ipv6 address
|
|
750 |
*
|
|
751 |
* @return String the address without a prefix length
|
|
752 |
* @access public
|
|
753 |
* @static
|
|
754 |
*/
|
|
755 |
function removePrefixLength($ip)
|
|
756 |
{
|
|
757 |
$pos = strrpos($ip, '/');
|
|
758 |
|
|
759 |
if (false !== $pos) {
|
|
760 |
|
|
761 |
return substr($ip, 0, $pos);
|
|
762 |
|
|
763 |
}
|
|
764 |
|
|
765 |
return $ip;
|
|
766 |
}
|
|
767 |
|
|
768 |
// }}}
|
|
769 |
|
|
770 |
// {{{ _parseAddress()
|
|
771 |
|
|
772 |
/**
|
|
773 |
* Returns the lowest and highest IPv6 address
|
|
774 |
* for a given IP and netmask specification
|
|
775 |
*
|
|
776 |
* The netmask may be a part of the $ip or
|
|
777 |
* the number of netwask bits is provided via $bits
|
|
778 |
*
|
|
779 |
* The result is an indexed array. The key 'start'
|
|
780 |
* contains the lowest possible IP adress. The key
|
|
781 |
* 'end' the highest address.
|
|
782 |
*
|
|
783 |
* @param String $ip the IPv6 address
|
|
784 |
* @param String $bits the optional count of netmask bits
|
|
785 |
*
|
|
786 |
* @return Array ['start', 'end'] the lowest and highest IPv6 address
|
|
787 |
* @access public
|
|
788 |
* @static
|
|
789 |
* @author Nicholas Williams
|
|
790 |
*/
|
|
791 |
|
|
792 |
function parseAddress($ipToParse, $bits = null)
|
|
793 |
{
|
|
794 |
|
|
795 |
$ip = null;
|
|
796 |
$bitmask = null;
|
|
797 |
|
|
798 |
if( null == $bits )
|
|
799 |
{
|
|
800 |
|
|
801 |
$elements = explode('/', $ipToParse);
|
|
802 |
|
|
803 |
if( 2 == count($elements) ) {
|
|
804 |
|
|
805 |
$ip = Net_IPv6::uncompress($elements[0]);
|
|
806 |
$bitmask = $elements[1];
|
|
807 |
|
|
808 |
} else {
|
|
809 |
|
|
810 |
include_once 'PEAR.inc';
|
|
811 |
|
|
812 |
return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
|
|
813 |
NET_IPV6_NO_NETMASK);
|
|
814 |
}
|
|
815 |
}
|
|
816 |
else
|
|
817 |
{
|
|
818 |
|
|
819 |
$ip = Net_IPv6::uncompress($ipToParse);
|
|
820 |
$bitmask = $bits;
|
|
821 |
|
|
822 |
}
|
|
823 |
|
|
824 |
$binNetmask = str_repeat('1', $bitmask).
|
|
825 |
str_repeat('0', 128 - $bitmask);
|
|
826 |
$maxNetmask = str_repeat('1', 128);
|
|
827 |
$netmask = Net_IPv6::_bin2Ip($binNetmask);
|
|
828 |
|
|
829 |
$startAddress = Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($ip)
|
|
830 |
& $binNetmask);
|
|
831 |
$endAddress = Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($ip)
|
|
832 |
| ($binNetmask ^ $maxNetmask));
|
|
833 |
|
|
834 |
return array('start' => $startAddress, 'end' => $endAddress);
|
|
835 |
}
|
|
836 |
|
|
837 |
// }}}
|
|
838 |
|
|
839 |
// {{{ _ip2Bin()
|
|
840 |
|
|
841 |
/**
|
|
842 |
* Converts an IPv6 address from Hex into Binary representation.
|
|
843 |
*
|
|
844 |
* @param String $ip the IP to convert (a:b:c:d:e:f:g:h),
|
|
845 |
* compressed IPs are allowed
|
|
846 |
*
|
|
847 |
* @return String the binary representation
|
|
848 |
* @access private
|
|
849 |
@ @since 1.1.0
|
|
850 |
*/
|
|
851 |
function _ip2Bin($ip)
|
|
852 |
{
|
|
853 |
$binstr = '';
|
|
854 |
|
|
855 |
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
|
856 |
$ip = Net_IPv6::Uncompress($ip);
|
|
857 |
|
|
858 |
$parts = explode(':', $ip);
|
|
859 |
|
|
860 |
foreach($parts as $v) {
|
|
861 |
|
|
862 |
$str = base_convert($v, 16, 2);
|
|
863 |
$binstr .= str_pad($str, 16, '0', STR_PAD_LEFT);
|
|
864 |
|
|
865 |
}
|
|
866 |
|
|
867 |
return $binstr;
|
|
868 |
}
|
|
869 |
|
|
870 |
// }}}
|
|
871 |
// {{{ _bin2Ip()
|
|
872 |
|
|
873 |
/**
|
|
874 |
* Converts an IPv6 address from Binary into Hex representation.
|
|
875 |
*
|
|
876 |
* @param String $ip the IP as binary
|
|
877 |
*
|
|
878 |
* @return String the uncompressed Hex representation
|
|
879 |
* @access private
|
|
880 |
@ @since 1.1.0
|
|
881 |
*/
|
|
882 |
function _bin2Ip($bin)
|
|
883 |
{
|
|
884 |
$ip = "";
|
|
885 |
|
|
886 |
if (strlen($bin) < 128) {
|
|
887 |
|
|
888 |
$bin = str_pad($str, 128, '0', STR_PAD_LEFT);
|
|
889 |
|
|
890 |
}
|
|
891 |
|
|
892 |
$parts = str_split($bin, "16");
|
|
893 |
|
|
894 |
foreach($parts as $v) {
|
|
895 |
|
|
896 |
$str = base_convert($v, 2, 16);
|
|
897 |
$ip .= $str.":";
|
|
898 |
|
|
899 |
}
|
|
900 |
|
|
901 |
$ip = substr($ip, 0,-1);
|
|
902 |
|
|
903 |
return $ip;
|
|
904 |
}
|
|
905 |
|
|
906 |
// }}}
|
|
907 |
}
|
|
908 |
// }}}
|
|
909 |
|
|
910 |
/*
|
|
911 |
* Local variables:
|
|
912 |
* tab-width: 4
|
|
913 |
* c-basic-offset: 4
|
|
914 |
* c-hanging-comment-ender-p: nil
|
|
915 |
* End:
|
|
916 |
*/
|
|
917 |
|
|
918 |
?>
|
add IPv6.inc and NetUtils.js