mirror of
https://github.com/pfsense/pfsense.git
synced 2025-10-26 11:38:35 +00:00
add IPv6.inc and NetUtils.js
This commit is contained in:
Simon Cornelius P. Umacob
parent
cfc4dab8cb
commit
ce996bd301
918
etc/inc/IPv6.inc
Normal file
918
etc/inc/IPv6.inc
Normal file
@ -0,0 +1,918 @@
|
||||
<?php
|
||||
|
||||
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
||||
|
||||
/**
|
||||
* This file contains the implementation of the Net_IPv6 class
|
||||
*
|
||||
* PHP versions 4 and 5
|
||||
*
|
||||
* LICENSE: This source file is subject to the New BSD license, that is
|
||||
* available through the world-wide-web at
|
||||
* http://www.opensource.org/licenses/bsd-license.php
|
||||
* If you did not receive a copy of the new BSDlicense and are unable
|
||||
* to obtain it through the world-wide-web, please send a note to
|
||||
* license@php.net so we can mail you a copy immediately
|
||||
*
|
||||
* @category Net
|
||||
* @package Net_IPv6
|
||||
* @author Alexander Merz <alexander.merz@web.de>
|
||||
* @copyright 2003-2005 The PHP Group
|
||||
* @license http://www.opensource.org/licenses/bsd-license.php
|
||||
* @version CVS: $Id: IPv6.inc,v 1.2 2008/11/26 03:54:43 sumacob Exp $
|
||||
* @link http://pear.php.net/package/Net_IPv6
|
||||
*/
|
||||
|
||||
// {{{ constants
|
||||
|
||||
/**
|
||||
* Error message if netmask bits was not found
|
||||
* @see isInNetmask
|
||||
*/
|
||||
define("NET_IPV6_NO_NETMASK_MSG", "Netmask length not found");
|
||||
|
||||
/**
|
||||
* Error code if netmask bits was not found
|
||||
* @see isInNetmask
|
||||
*/
|
||||
define("NET_IPV6_NO_NETMASK", 10);
|
||||
|
||||
/**
|
||||
* Address Type: Unassigned (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_UNASSIGNED", 1);
|
||||
|
||||
/**
|
||||
* Address Type: Reserved (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_RESERVED", 11);
|
||||
|
||||
/**
|
||||
* Address Type: Reserved for NSAP Allocation (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_RESERVED_NSAP", 12);
|
||||
|
||||
/**
|
||||
* Address Type: Reserved for IPX Allocation (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_RESERVED_IPX", 13);
|
||||
|
||||
/**
|
||||
* Address Type: Reserved for Geographic-Based Unicast Addresses
|
||||
* (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC", 14);
|
||||
|
||||
/**
|
||||
* Address Type: Provider-Based Unicast Address (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_UNICAST_PROVIDER", 22);
|
||||
|
||||
/**
|
||||
* Address Type: Multicast Addresses (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_MULTICAST", 31);
|
||||
|
||||
/**
|
||||
* Address Type: Link Local Use Addresses (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_LOCAL_LINK", 42);
|
||||
|
||||
/**
|
||||
* Address Type: Link Local Use Addresses (RFC 1884, Section 2.3)
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_LOCAL_SITE", 43);
|
||||
|
||||
/**
|
||||
* Address Type: address can not assigned to a specific type
|
||||
* @see getAddressType()
|
||||
*/
|
||||
define("NET_IPV6_UNKNOWN_TYPE", 1001);
|
||||
|
||||
// }}}
|
||||
// {{{ Net_IPv6
|
||||
|
||||
/**
|
||||
* Class to validate and to work with IPv6 addresses.
|
||||
*
|
||||
* @category Net
|
||||
* @package Net_IPv6
|
||||
* @copyright 2003-2005 The PHP Group
|
||||
* @license http://www.opensource.org/licenses/bsd-license.php
|
||||
* @version $Release$
|
||||
* @link http://pear.php.net/package/Net_IPv6
|
||||
* @author Alexander Merz <alexander.merz@web.de>
|
||||
* @author <elfrink at introweb dot nl>
|
||||
* @author Josh Peck <jmp at joshpeck dot org>
|
||||
*/
|
||||
class Net_IPv6 {
|
||||
|
||||
// {{{ removeNetmaskBits()
|
||||
|
||||
/**
|
||||
* Removes a possible existing netmask specification at an IP addresse.
|
||||
*
|
||||
* @param String $ip the (compressed) IP as Hex representation
|
||||
*
|
||||
* @return String the IP without netmask length
|
||||
* @since 1.1.0
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function removeNetmaskSpec($ip)
|
||||
{
|
||||
$addr = $ip;
|
||||
|
||||
if (false !== strpos($ip, '/')) {
|
||||
|
||||
$elements = explode('/', $ip);
|
||||
|
||||
if (2 == count($elements)) {
|
||||
|
||||
$addr = $elements[0];
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return $addr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a possible existing netmask specification at an IP addresse.
|
||||
*
|
||||
* @param String $ip the (compressed) IP as Hex representation
|
||||
*
|
||||
* @return String the netmask spec
|
||||
* @since 1.1.0
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function getNetmaskSpec($ip)
|
||||
{
|
||||
$spec = '';
|
||||
|
||||
if (false !== strpos($ip, '/')) {
|
||||
|
||||
$elements = explode('/', $ip);
|
||||
|
||||
if (2 == count($elements)) {
|
||||
|
||||
$spec = $elements[1];
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return $spec;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ getNetmask()
|
||||
|
||||
/**
|
||||
* Calculates the network prefix based on the netmask bits.
|
||||
*
|
||||
* @param String $ip the (compressed) IP in Hex format
|
||||
* @param int $bits if the number of netmask bits is not part of the IP
|
||||
* you must provide the number of bits
|
||||
*
|
||||
* @return String the network prefix
|
||||
* @since 1.1.0
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function getNetmask($ip, $bits = null)
|
||||
{
|
||||
if (null==$bits) {
|
||||
|
||||
$elements = explode('/', $ip);
|
||||
|
||||
if (2 == count($elements)) {
|
||||
|
||||
$addr = $elements[0];
|
||||
$bits = $elements[1];
|
||||
|
||||
} else {
|
||||
|
||||
include_once 'PEAR.inc';
|
||||
|
||||
return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
|
||||
NET_IPV6_NO_NETMASK);
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
$addr = $ip;
|
||||
|
||||
}
|
||||
|
||||
$addr = Net_IPv6::uncompress($addr);
|
||||
$binNetmask = str_repeat('1', $bits).str_repeat('0', 128 - $bits);
|
||||
|
||||
return Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($addr) & $binNetmask);
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ isInNetmask()
|
||||
|
||||
/**
|
||||
* Checks if an (compressed) IP is in a specific address space.
|
||||
*
|
||||
* IF the IP does not contains the number of netmask bits (F8000::FFFF/16)
|
||||
* then you have to use the $bits parameter.
|
||||
*
|
||||
* @param String $ip the IP to check (eg. F800::FFFF)
|
||||
* @param String $netmask the netmask (eg F800::)
|
||||
* @param int $bits the number of netmask bits to compare,
|
||||
* if not given in $ip
|
||||
*
|
||||
* @return boolean true if $ip is in the netmask
|
||||
* @since 1.1.0
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function isInNetmask($ip, $netmask, $bits=null)
|
||||
{
|
||||
// try to get the bit count
|
||||
|
||||
if (null == $bits) {
|
||||
|
||||
$elements = explode('/', $ip);
|
||||
|
||||
if (2 == count($elements)) {
|
||||
|
||||
$ip = $elements[0];
|
||||
$bits = $elements[1];
|
||||
|
||||
} else if (null == $bits) {
|
||||
|
||||
$elements = explode('/', $netmask);
|
||||
|
||||
if (2 == count($elements)) {
|
||||
|
||||
$netmask = $elements[0];
|
||||
$bits = $elements[1];
|
||||
|
||||
}
|
||||
|
||||
if (null == $bits) {
|
||||
|
||||
include_once 'PEAR.inc';
|
||||
return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
|
||||
NET_IPV6_NO_NETMASK);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
$binIp = Net_IPv6::_ip2Bin(Net_IPv6::removeNetmaskSpec($ip));
|
||||
$binNetmask = Net_IPv6::_ip2Bin(Net_IPv6::removeNetmaskSpec($netmask));
|
||||
|
||||
if (null != $bits
|
||||
&& "" != $bits
|
||||
&& 0 == strncmp( $binNetmask, $binIp, $bits)) {
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ getAddressType()
|
||||
|
||||
/**
|
||||
* Returns the type of an IPv6 address.
|
||||
*
|
||||
* RFC 1883, Section 2.3 describes several types of addresses in
|
||||
* the IPv6 addresse space.
|
||||
* Several addresse types are markers for reserved spaces and as
|
||||
* consequence a subject to change.
|
||||
*
|
||||
* @param String $ip the IP address in Hex format,
|
||||
* compressed IPs are allowed
|
||||
*
|
||||
* @return int one of the addresse type constants
|
||||
* @access public
|
||||
* @since 1.1.0
|
||||
* @static
|
||||
*
|
||||
* @see NET_IPV6_UNASSIGNED
|
||||
* @see NET_IPV6_RESERVED
|
||||
* @see NET_IPV6_RESERVED_NSAP
|
||||
* @see NET_IPV6_RESERVED_IPX
|
||||
* @see NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC
|
||||
* @see NET_IPV6_UNICAST_PROVIDER
|
||||
* @see NET_IPV6_MULTICAST
|
||||
* @see NET_IPV6_LOCAL_LINK
|
||||
* @see NET_IPV6_LOCAL_SITE
|
||||
* @see NET_IPV6_UNKNOWN_TYPE
|
||||
*/
|
||||
function getAddressType($ip)
|
||||
{
|
||||
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
$binip = Net_IPv6::_ip2Bin($ip);
|
||||
|
||||
if (0 == strncmp('1111111010', $binip, 10)) {
|
||||
|
||||
return NET_IPV6_LOCAL_LINK;
|
||||
|
||||
} else if (0 == strncmp('1111111011', $binip, 10)) {
|
||||
|
||||
return NET_IPV6_LOCAL_SITE;
|
||||
|
||||
} else if (0 == strncmp('111111100', $binip, 9)) {
|
||||
|
||||
return NET_IPV6_UNASSIGNED;
|
||||
|
||||
} else if (0 == strncmp('11111111', $binip, 8)) {
|
||||
|
||||
return NET_IPV6_MULTICAST;
|
||||
|
||||
} else if (0 == strncmp('00000000', $binip, 8)) {
|
||||
|
||||
return NET_IPV6_RESERVED;
|
||||
|
||||
} else if (0 == strncmp('00000001', $binip, 8)
|
||||
|| 0 == strncmp('1111110', $binip, 7)) {
|
||||
|
||||
return NET_IPV6_UNASSIGNED;
|
||||
|
||||
} else if (0 == strncmp('0000001', $binip, 7)) {
|
||||
|
||||
return NET_IPV6_RESERVED_NSAP;
|
||||
|
||||
} else if (0 == strncmp('0000010', $binip, 7)) {
|
||||
|
||||
return NET_IPV6_RESERVED_IPX;;
|
||||
|
||||
} else if (0 == strncmp('0000011', $binip, 7) ||
|
||||
0 == strncmp('111110', $binip, 6) ||
|
||||
0 == strncmp('11110', $binip, 5) ||
|
||||
0 == strncmp('00001', $binip, 5) ||
|
||||
0 == strncmp('1110', $binip, 4) ||
|
||||
0 == strncmp('0001', $binip, 4) ||
|
||||
0 == strncmp('001', $binip, 3) ||
|
||||
0 == strncmp('011', $binip, 3) ||
|
||||
0 == strncmp('101', $binip, 3) ||
|
||||
0 == strncmp('110', $binip, 3)) {
|
||||
|
||||
return NET_IPV6_UNASSIGNED;
|
||||
|
||||
} else if (0 == strncmp('010', $binip, 3)) {
|
||||
|
||||
return NET_IPV6_UNICAST_PROVIDER;
|
||||
|
||||
} else if (0 == strncmp('100', $binip, 3)) {
|
||||
|
||||
return NET_IPV6_RESERVED_UNICAST_GEOGRAPHIC;
|
||||
|
||||
}
|
||||
|
||||
return NET_IPV6_UNKNOWN_TYPE;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ Uncompress()
|
||||
|
||||
/**
|
||||
* Uncompresses an IPv6 adress
|
||||
*
|
||||
* RFC 2373 allows you to compress zeros in an adress to '::'. This
|
||||
* function expects an valid IPv6 adress and expands the '::' to
|
||||
* the required zeros.
|
||||
*
|
||||
* Example: FF01::101 -> FF01:0:0:0:0:0:0:101
|
||||
* ::1 -> 0:0:0:0:0:0:0:1
|
||||
*
|
||||
* @access public
|
||||
* @see Compress()
|
||||
* @static
|
||||
* @param string $ip a valid IPv6-adress (hex format)
|
||||
* @return string the uncompressed IPv6-adress (hex format)
|
||||
*/
|
||||
function uncompress($ip)
|
||||
{
|
||||
|
||||
$prefix = Net_IPv6::getPrefixLength($ip);
|
||||
|
||||
if (false === $prefix) {
|
||||
|
||||
$prefix = '';
|
||||
|
||||
} else {
|
||||
|
||||
$ip = Net_IPv6::removePrefixLength($ip);
|
||||
$prefix = '/'.$prefix;
|
||||
|
||||
}
|
||||
|
||||
$netmask = Net_IPv6::getNetmaskSpec($ip);
|
||||
$uip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
|
||||
$c1 = -1;
|
||||
$c2 = -1;
|
||||
|
||||
if (false !== strpos($uip, '::') ) {
|
||||
|
||||
list($ip1, $ip2) = explode('::', $uip);
|
||||
|
||||
if("" == $ip1) {
|
||||
|
||||
$c1 = -1;
|
||||
|
||||
} else {
|
||||
|
||||
$pos = 0;
|
||||
|
||||
if (0 < ($pos = substr_count($ip1, ':'))) {
|
||||
|
||||
$c1 = $pos;
|
||||
|
||||
} else {
|
||||
|
||||
$c1 = 0;
|
||||
|
||||
}
|
||||
}
|
||||
if ("" == $ip2) {
|
||||
|
||||
$c2 = -1;
|
||||
|
||||
} else {
|
||||
|
||||
$pos = 0;
|
||||
|
||||
if (0 < ($pos = substr_count($ip2, ':'))) {
|
||||
|
||||
$c2 = $pos;
|
||||
|
||||
} else {
|
||||
|
||||
$c2 = 0;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (strstr($ip2, '.')) {
|
||||
|
||||
$c2++;
|
||||
|
||||
}
|
||||
if (-1 == $c1 && -1 == $c2) { // ::
|
||||
|
||||
$uip = "0:0:0:0:0:0:0:0";
|
||||
|
||||
} else if (-1 == $c1) { // ::xxx
|
||||
|
||||
$fill = str_repeat('0:', 7-$c2);
|
||||
$uip = str_replace('::', $fill, $uip);
|
||||
|
||||
} else if (-1 == $c2) { // xxx::
|
||||
|
||||
$fill = str_repeat(':0', 7-$c1);
|
||||
$uip = str_replace('::', $fill, $uip);
|
||||
|
||||
} else { // xxx::xxx
|
||||
|
||||
$fill = str_repeat(':0:', 6-$c2-$c1);
|
||||
$uip = str_replace('::', $fill, $uip);
|
||||
$uip = str_replace('::', ':', $uip);
|
||||
|
||||
}
|
||||
}
|
||||
if ('' != $netmask) {
|
||||
|
||||
$uip = $uip.'/'.$netmask;
|
||||
|
||||
}
|
||||
|
||||
return $uip.$prefix;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ Compress()
|
||||
|
||||
/**
|
||||
* Compresses an IPv6 adress
|
||||
*
|
||||
* RFC 2373 allows you to compress zeros in an adress to '::'. This
|
||||
* function expects an valid IPv6 adress and compresses successive zeros
|
||||
* to '::'
|
||||
*
|
||||
* Example: FF01:0:0:0:0:0:0:101 -> FF01::101
|
||||
* 0:0:0:0:0:0:0:1 -> ::1
|
||||
*
|
||||
* @access public
|
||||
* @see Uncompress()
|
||||
* @static
|
||||
* @param string $ip a valid IPv6-adress (hex format)
|
||||
* @return string the compressed IPv6-adress (hex format)
|
||||
* @author elfrink at introweb dot nl
|
||||
*/
|
||||
function compress($ip)
|
||||
{
|
||||
$prefix = Net_IPv6::getPrefixLength($ip);
|
||||
|
||||
if (false === $prefix) {
|
||||
|
||||
$prefix = '';
|
||||
|
||||
} else {
|
||||
|
||||
$ip = Net_IPv6::removePrefixLength($ip);
|
||||
$prefix = '/'.$prefix;
|
||||
|
||||
}
|
||||
|
||||
$netmask = Net_IPv6::getNetmaskSpec($ip);
|
||||
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
|
||||
if (!strstr($ip, '::')) {
|
||||
|
||||
$ipp = explode(':',$ip);
|
||||
|
||||
for ($i = 0; $i < count($ipp); $i++) {
|
||||
|
||||
$ipp[$i] = dechex(hexdec($ipp[$i]));
|
||||
|
||||
}
|
||||
|
||||
$cip = ':' . join(':',$ipp) . ':';
|
||||
|
||||
preg_match_all("/(:0)+/", $cip, $zeros);
|
||||
|
||||
if (count($zeros[0]) > 0) {
|
||||
|
||||
$match = '';
|
||||
|
||||
foreach($zeros[0] as $zero) {
|
||||
|
||||
if (strlen($zero) > strlen($match)) {
|
||||
|
||||
$match = $zero;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
$cip = preg_replace('/' . $match . '/', ':', $cip, 1);
|
||||
|
||||
}
|
||||
|
||||
$cip = preg_replace('/((^:)|(:$))/', '' ,$cip);
|
||||
$cip = preg_replace('/((^:)|(:$))/', '::' ,$cip);
|
||||
|
||||
}
|
||||
if ('' != $netmask) {
|
||||
|
||||
$cip = $cip.'/'.$netmask;
|
||||
|
||||
}
|
||||
|
||||
return $cip.$prefix;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ SplitV64()
|
||||
|
||||
/**
|
||||
* Splits an IPv6 adress into the IPv6 and a possible IPv4 part
|
||||
*
|
||||
* RFC 2373 allows you to note the last two parts of an IPv6 adress as
|
||||
* an IPv4 compatible adress
|
||||
*
|
||||
* Example: 0:0:0:0:0:0:13.1.68.3
|
||||
* 0:0:0:0:0:FFFF:129.144.52.38
|
||||
*
|
||||
* @param string $ip a valid IPv6-adress (hex format)
|
||||
*
|
||||
* @return array [0] contains the IPv6 part,
|
||||
* [1] the IPv4 part (hex format)
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function SplitV64($ip, $uncompress = true)
|
||||
{
|
||||
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
|
||||
if ($uncompress) {
|
||||
|
||||
$ip = Net_IPv6::Uncompress($ip);
|
||||
|
||||
}
|
||||
|
||||
if (strstr($ip, '.')) {
|
||||
|
||||
$pos = strrpos($ip, ':');
|
||||
$ip{$pos} = '_';
|
||||
$ipPart = explode('_', $ip);
|
||||
|
||||
return $ipPart;
|
||||
|
||||
} else {
|
||||
|
||||
return array($ip, "");
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ checkIPv6()
|
||||
|
||||
/**
|
||||
* Checks an IPv6 adress
|
||||
*
|
||||
* Checks if the given IP is IPv6-compatible
|
||||
*
|
||||
* @access public
|
||||
* @static
|
||||
* @param string $ip a valid IPv6-adress
|
||||
* @return boolean true if $ip is an IPv6 adress
|
||||
*/
|
||||
function checkIPv6($ip)
|
||||
{
|
||||
$ip = Net_IPv6::removePrefixLength($ip);
|
||||
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
|
||||
$ipPart = Net_IPv6::SplitV64($ip);
|
||||
$count = 0;
|
||||
|
||||
if (!empty($ipPart[0]))
|
||||
{
|
||||
$ipv6 =explode(':', $ipPart[0]);
|
||||
|
||||
for ($i = 0; $i < count($ipv6); $i++) {
|
||||
|
||||
$dec = hexdec($ipv6[$i]);
|
||||
$hex = strtoupper(preg_replace("/^[0]{1,3}(.*[0-9a-fA-F])$/",
|
||||
"\\1",
|
||||
$ipv6[$i]));
|
||||
|
||||
if ($ipv6[$i] >= 0 && $dec <= 65535
|
||||
&& $hex == strtoupper(dechex($dec))) {
|
||||
|
||||
$count++;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (8 == $count) {
|
||||
|
||||
return true;
|
||||
|
||||
} else if (6 == $count and !empty($ipPart[1])) {
|
||||
|
||||
$ipv4 = explode('.',$ipPart[1]);
|
||||
$count = 0;
|
||||
|
||||
for ($i = 0; $i < count($ipv4); $i++) {
|
||||
|
||||
if ($ipv4[$i] >= 0 && (integer)$ipv4[$i] <= 255
|
||||
&& preg_match("/^\d{1,3}$/", $ipv4[$i])) {
|
||||
|
||||
$count++;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (4 == $count) {
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ getPrefixLength()
|
||||
|
||||
/**
|
||||
* Tests for a prefix length specification in the address
|
||||
* and returns the prefix length, if exists
|
||||
*
|
||||
* @param String $ip a valid ipv6 address
|
||||
*
|
||||
* @return Mixed the prefix as String or false, if no prefix was found
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function getPrefixLength($ip)
|
||||
{
|
||||
if (preg_match("/^([0-9a-fA-F:]{2,39})\/(\d{1,3})*$/",
|
||||
$ip, $matches)) {
|
||||
|
||||
return $matches[2];
|
||||
|
||||
} else {
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ removePrefixLength()
|
||||
|
||||
/**
|
||||
* Tests for a prefix length specification in the address
|
||||
* and removes the prefix length, if exists
|
||||
*
|
||||
* @param String $ip a valid ipv6 address
|
||||
*
|
||||
* @return String the address without a prefix length
|
||||
* @access public
|
||||
* @static
|
||||
*/
|
||||
function removePrefixLength($ip)
|
||||
{
|
||||
$pos = strrpos($ip, '/');
|
||||
|
||||
if (false !== $pos) {
|
||||
|
||||
return substr($ip, 0, $pos);
|
||||
|
||||
}
|
||||
|
||||
return $ip;
|
||||
}
|
||||
|
||||
// }}}
|
||||
|
||||
// {{{ _parseAddress()
|
||||
|
||||
/**
|
||||
* Returns the lowest and highest IPv6 address
|
||||
* for a given IP and netmask specification
|
||||
*
|
||||
* The netmask may be a part of the $ip or
|
||||
* the number of netwask bits is provided via $bits
|
||||
*
|
||||
* The result is an indexed array. The key 'start'
|
||||
* contains the lowest possible IP adress. The key
|
||||
* 'end' the highest address.
|
||||
*
|
||||
* @param String $ip the IPv6 address
|
||||
* @param String $bits the optional count of netmask bits
|
||||
*
|
||||
* @return Array ['start', 'end'] the lowest and highest IPv6 address
|
||||
* @access public
|
||||
* @static
|
||||
* @author Nicholas Williams
|
||||
*/
|
||||
|
||||
function parseAddress($ipToParse, $bits = null)
|
||||
{
|
||||
|
||||
$ip = null;
|
||||
$bitmask = null;
|
||||
|
||||
if( null == $bits )
|
||||
{
|
||||
|
||||
$elements = explode('/', $ipToParse);
|
||||
|
||||
if( 2 == count($elements) ) {
|
||||
|
||||
$ip = Net_IPv6::uncompress($elements[0]);
|
||||
$bitmask = $elements[1];
|
||||
|
||||
} else {
|
||||
|
||||
include_once 'PEAR.inc';
|
||||
|
||||
return PEAR::raiseError(NET_IPV6_NO_NETMASK_MSG,
|
||||
NET_IPV6_NO_NETMASK);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
$ip = Net_IPv6::uncompress($ipToParse);
|
||||
$bitmask = $bits;
|
||||
|
||||
}
|
||||
|
||||
$binNetmask = str_repeat('1', $bitmask).
|
||||
str_repeat('0', 128 - $bitmask);
|
||||
$maxNetmask = str_repeat('1', 128);
|
||||
$netmask = Net_IPv6::_bin2Ip($binNetmask);
|
||||
|
||||
$startAddress = Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($ip)
|
||||
& $binNetmask);
|
||||
$endAddress = Net_IPv6::_bin2Ip(Net_IPv6::_ip2Bin($ip)
|
||||
| ($binNetmask ^ $maxNetmask));
|
||||
|
||||
return array('start' => $startAddress, 'end' => $endAddress);
|
||||
}
|
||||
|
||||
// }}}
|
||||
|
||||
// {{{ _ip2Bin()
|
||||
|
||||
/**
|
||||
* Converts an IPv6 address from Hex into Binary representation.
|
||||
*
|
||||
* @param String $ip the IP to convert (a:b:c:d:e:f:g:h),
|
||||
* compressed IPs are allowed
|
||||
*
|
||||
* @return String the binary representation
|
||||
* @access private
|
||||
@ @since 1.1.0
|
||||
*/
|
||||
function _ip2Bin($ip)
|
||||
{
|
||||
$binstr = '';
|
||||
|
||||
$ip = Net_IPv6::removeNetmaskSpec($ip);
|
||||
$ip = Net_IPv6::Uncompress($ip);
|
||||
|
||||
$parts = explode(':', $ip);
|
||||
|
||||
foreach($parts as $v) {
|
||||
|
||||
$str = base_convert($v, 16, 2);
|
||||
$binstr .= str_pad($str, 16, '0', STR_PAD_LEFT);
|
||||
|
||||
}
|
||||
|
||||
return $binstr;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ _bin2Ip()
|
||||
|
||||
/**
|
||||
* Converts an IPv6 address from Binary into Hex representation.
|
||||
*
|
||||
* @param String $ip the IP as binary
|
||||
*
|
||||
* @return String the uncompressed Hex representation
|
||||
* @access private
|
||||
@ @since 1.1.0
|
||||
*/
|
||||
function _bin2Ip($bin)
|
||||
{
|
||||
$ip = "";
|
||||
|
||||
if (strlen($bin) < 128) {
|
||||
|
||||
$bin = str_pad($str, 128, '0', STR_PAD_LEFT);
|
||||
|
||||
}
|
||||
|
||||
$parts = str_split($bin, "16");
|
||||
|
||||
foreach($parts as $v) {
|
||||
|
||||
$str = base_convert($v, 2, 16);
|
||||
$ip .= $str.":";
|
||||
|
||||
}
|
||||
|
||||
$ip = substr($ip, 0,-1);
|
||||
|
||||
return $ip;
|
||||
}
|
||||
|
||||
// }}}
|
||||
}
|
||||
// }}}
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* c-hanging-comment-ender-p: nil
|
||||
* End:
|
||||
*/
|
||||
|
||||
?>
|
||||
114
usr/local/www/javascript/NetUtils.js
Normal file
114
usr/local/www/javascript/NetUtils.js
Normal file
@ -0,0 +1,114 @@
|
||||
/*
|
||||
NetUtils.js
|
||||
part of pfSense (http://www.pfsense.com)
|
||||
Various helper functions for IPv6 support.
|
||||
|
||||
Copyright (C) 2007 Simon Cornelius P. Umacob <simoncpu@gmail.com>
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
||||
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
*/
|
||||
|
||||
function NetUtils_changeIPVersionMask(field, version) {
|
||||
switch(version){
|
||||
case 'IPv4':
|
||||
NetUtils_clearOptions(document.getElementById(field));
|
||||
NetUtils_loadMaskIPv4(document.getElementById(field), 32);
|
||||
|
||||
break;
|
||||
case 'IPv6':
|
||||
NetUtils_clearOptions(document.getElementById(field));
|
||||
NetUtils_loadMaskIPv6(document.getElementById(field), 64);
|
||||
|
||||
break;
|
||||
case 'IPv4_net':
|
||||
NetUtils_clearOptions(document.getElementById(field));
|
||||
NetUtils_loadMaskIPv4(document.getElementById(field), 32, 1, 31);
|
||||
|
||||
break;
|
||||
case 'IPv6_net':
|
||||
NetUtils_clearOptions(document.getElementById(field));
|
||||
NetUtils_loadMaskIPv6(document.getElementById(field), 64, 1, 63);
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
function NetUtils_clearOptions(obj) {
|
||||
var len = obj.length;
|
||||
|
||||
for (var i = 0; i < len; i++) {
|
||||
obj[0] = null;
|
||||
}
|
||||
}
|
||||
|
||||
function NetUtils_loadMaskIPv4(obj, sel, min, max) {
|
||||
var min,
|
||||
max,
|
||||
j = 0;
|
||||
|
||||
min = min == undefined ? 1 : min;
|
||||
max = max == undefined ? 32 : max;
|
||||
|
||||
for (var i = max; i >= min; i--) {
|
||||
obj[j] = new Option(i, i);
|
||||
if (sel == i) {
|
||||
obj[j].selected = true;
|
||||
}
|
||||
j++;
|
||||
}
|
||||
}
|
||||
|
||||
function NetUtils_loadMaskIPv6(obj, sel, min, max) {
|
||||
var min,
|
||||
max,
|
||||
j = 0;
|
||||
|
||||
min = min == undefined ? 1 : min;
|
||||
max = max == undefined ? 64 : max;
|
||||
|
||||
if ((max % 4) != 0) {
|
||||
obj[j++] = new Option(max, max);
|
||||
|
||||
/**
|
||||
* NOTE: This solution is a kludge.
|
||||
* If you have a better way, don't hesitate
|
||||
* to change this. Please send patches. :)
|
||||
*/
|
||||
for (var i = 1; i <= 3; i++) {
|
||||
if (((max - i) % 4) == 0) {
|
||||
max = max - i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (var i = max; i >= min; i -= 4) {
|
||||
obj[j] = new Option(i, i);
|
||||
if (sel == i) {
|
||||
obj[j].selected = true;
|
||||
}
|
||||
j++;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user