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<?php
/**
* Class to provide IPv4 calculations
*
* Module written/ported by Eric Kilfoil <eric@ypass.net>
*
* This is the copyright notice from the PERL Net::DNS module:
*
* Copyright (c) 1997-2000 Michael Fuhr. All rights reserved. This
* program is free software; you can redistribute it and/or modify it
* under the same terms as Perl itself.
*
* The majority of this is _NOT_ my code. I simply ported it from the
* PERL Net::DNS module.
*
* The author of the Net::DNS module is Michael Fuhr <mike@fuhr.org>
* http://www.fuhr.org/~mfuhr/perldns/
*
* Michael Fuhr has nothing to with the porting of this code to PHP.
* Any questions directly related to this class library should be directed
* to the maintainer.
*
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category Net
* @package Net_IPv4
* @author Eric Kilfoil <edk@ypass.net>
* @author Marco Kaiser <bate@php.net>
* @author Florian Anderiasch <fa@php.net>
* @copyright The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id: DNS.php 302014 2010-08-09 06:17:29Z bate $
* @link http://pear.php.net/package/Net_DNS
*/
/* Include information {{{ */
require_once("Net/DNS/Header.php");
require_once("Net/DNS/Question.php");
require_once("Net/DNS/Packet.php");
require_once("Net/DNS/Resolver.php");
require_once("Net/DNS/RR.php");
/* }}} */
/* GLOBAL VARIABLE definitions {{{ */
// Used by the Net_DNS_Resolver object to generate an ID
$GLOBALS['_Net_DNS_packet_id'] = mt_rand(0, 65535);
/* }}} */
/* Net_DNS object definition (incomplete) {{{ */
/**
* Initializes a resolver object
*
* Net_DNS allows you to query a nameserver for DNS lookups. It bypasses the
* system resolver library entirely, which allows you to query any nameserver,
* set your own values for retries, timeouts, recursion, etc.
*
* @author Eric Kilfoil <eric@ypass.net>
* @package Net_DNS
* @version 0.01alpha
*/
class Net_DNS
{
/* class variable definitions {{{ */
/**
* A default resolver object created on instantiation
*
* @var Net_DNS_Resolver object
*/
var $resolver;
var $VERSION = '1.00b2'; // This should probably be a define :(
var $PACKETSZ = 512;
var $HFIXEDSZ = 12;
var $QFIXEDSZ = 4;
var $RRFIXEDSZ = 10;
var $INT32SZ = 4;
var $INT16SZ = 2;
/* }}} */
/* class constructor - Net_DNS() {{{ */
/**
* Initializes a resolver object
*
* @see Net_DNS_Resolver
* @param array $defaults
* @return Net_DNS
*/
function Net_DNS($defaults = array())
{
$this->resolver = new Net_DNS_Resolver($defaults);
}
/* }}} */
/* Net_DNS::opcodesbyname() {{{ */
/**
* Translates opcode names to integers
*
* Translates the name of a DNS OPCODE into it's assigned number
* listed in RFC1035, RFC1996, or RFC2136. Valid OPCODES are:
* <ul>
* <li>QUERY
* <li>IQUERY
* <li>STATUS
* <li>NS_NOTIFY_OP
* <li>UPDATE
* <ul>
*
* @param string $opcode A DNS Packet OPCODE name
* @return integer The integer value of an OPCODE
* @see Net_DNS::opcodesbyval()
*/
function opcodesbyname($opcode)
{
$op = array(
'QUERY' => 0, // RFC 1035
'IQUERY' => 1, // RFC 1035
'STATUS' => 2, // RFC 1035
'NS_NOTIFY_OP' => 4, // RFC 1996
'UPDATE' => 5, // RFC 2136
);
if (! strlen($op[$opcode])) {
$op[$opcode] = null;
}
return $op[$opcode];
}
/* }}} */
/* Net_DNS::opcodesbyval() {{{*/
/**
* Translates opcode integers into names
*
* Translates the integer value of an opcode into it's name
*
* @param integer $opcodeval A DNS packet opcode integer
* @return string The name of the OPCODE
* @see Net_DNS::opcodesbyname()
*/
function opcodesbyval($opcodeval)
{
$opval = array(
0 => 'QUERY',
1 => 'IQUERY',
2 => 'STATUS',
4 => 'NS_NOTIFY_OP',
5 => 'UPDATE',
);
if (! strlen($opval[$opcodeval])) {
$opval[$opcodeval] = null;
}
return $opval[$opcodeval];
}
/*}}}*/
/* Net_DNS::rcodesbyname() {{{*/
/**
* Translates rcode names to integers
*
* Translates the name of a DNS RCODE (result code) into it's assigned number.
* <ul>
* <li>NOERROR
* <li>FORMERR
* <li>SERVFAIL
* <li>NXDOMAIN
* <li>NOTIMP
* <li>REFUSED
* <li>YXDOMAIN
* <li>YXRRSET
* <li>NXRRSET
* <li>NOTAUTH
* <li>NOTZONE
* <ul>
*
* @param string $rcode A DNS Packet RCODE name
* @return integer The integer value of an RCODE
* @see Net_DNS::rcodesbyval()
*/
function rcodesbyname($rcode)
{
$rc = array(
'NOERROR' => 0, // RFC 1035
'FORMERR' => 1, // RFC 1035
'SERVFAIL' => 2, // RFC 1035
'NXDOMAIN' => 3, // RFC 1035
'NOTIMP' => 4, // RFC 1035
'REFUSED' => 5, // RFC 1035
'YXDOMAIN' => 6, // RFC 2136
'YXRRSET' => 7, // RFC 2136
'NXRRSET' => 8, // RFC 2136
'NOTAUTH' => 9, // RFC 2136
'NOTZONE' => 10, // RFC 2136
);
if (! strlen($rc[$rcode])) {
$rc[$rcode] = null;
}
return $rc[$rcode];
}
/*}}}*/
/* Net_DNS::rcodesbyval() {{{*/
/**
* Translates rcode integers into names
*
* Translates the integer value of an rcode into it's name
*
* @param integer $rcodeval A DNS packet rcode integer
* @return string The name of the RCODE
* @see Net_DNS::rcodesbyname()
*/
function rcodesbyval($rcodeval)
{
$rc = array(
0 => 'NOERROR',
1 => 'FORMERR',
2 => 'SERVFAIL',
3 => 'NXDOMAIN',
4 => 'NOTIMP',
5 => 'REFUSED',
6 => 'YXDOMAIN',
7 => 'YXRRSET',
8 => 'NXRRSET',
9 => 'NOTAUTH',
10 => 'NOTZONE',
);
if (! strlen($rc[$rcodeval])) {
$rc[$rcodeval] = null;
}
return $rc[$rcodeval];
}
/*}}}*/
/* Net_DNS::typesbyname() {{{*/
/**
* Translates RR type names into integers
*
* Translates a Resource Record from it's name to it's integer value.
* Valid resource record types are:
*
* <ul>
* <li>A
* <li>NS
* <li>MD
* <li>MF
* <li>CNAME
* <li>SOA
* <li>MB
* <li>MG
* <li>MR
* <li>NULL
* <li>WKS
* <li>PTR
* <li>HINFO
* <li>MINFO
* <li>MX
* <li>TXT
* <li>RP
* <li>AFSDB
* <li>X25
* <li>ISDN
* <li>RT
* <li>NSAP
* <li>NSAP_PTR
* <li>SIG
* <li>KEY
* <li>PX
* <li>GPOS
* <li>AAAA
* <li>LOC
* <li>NXT
* <li>EID
* <li>NIMLOC
* <li>SRV
* <li>ATMA
* <li>NAPTR
* <li>TSIG
* <li>SPF
* <li>UINFO
* <li>UID
* <li>GID
* <li>UNSPEC
* <li>IXFR
* <li>AXFR
* <li>MAILB
* <li>MAILA
* <li>ANY
* <ul>
*
* @param string $rrtype A DNS packet RR type name
* @return integer The integer value of an RR type
* @see Net_DNS::typesbyval()
*/
function typesbyname($rrtype)
{
$rc = array(
'A' => 1,
'NS' => 2,
'MD' => 3,
'MF' => 4,
'CNAME' => 5,
'SOA' => 6,
'MB' => 7,
'MG' => 8,
'MR' => 9,
'NULL' => 10,
'WKS' => 11,
'PTR' => 12,
'HINFO' => 13,
'MINFO' => 14,
'MX' => 15,
'TXT' => 16,
'RP' => 17,
'AFSDB' => 18,
'X25' => 19,
'ISDN' => 20,
'RT' => 21,
'NSAP' => 22,
'NSAP_PTR' => 23,
'SIG' => 24,
'KEY' => 25,
'PX' => 26,
'GPOS' => 27,
'AAAA' => 28,
'LOC' => 29,
'NXT' => 30,
'EID' => 31,
'NIMLOC' => 32,
'SRV' => 33,
'ATMA' => 34,
'NAPTR' => 35,
'SPF' => 99,
'UINFO' => 100,
'UID' => 101,
'GID' => 102,
'UNSPEC' => 103,
'TSIG' => 250,
'IXFR' => 251,
'AXFR' => 252,
'MAILB' => 253,
'MAILA' => 254,
'ANY' => 255,
);
if (empty($rc[$rrtype])) {
$rc[$rrtype] = null;
}
return $rc[$rrtype];
}
/*}}}*/
/* Net_DNS::typesbyval() {{{*/
/**
* Translates RR type integers into names
*
* Translates the integer value of an RR type into it's name
*
* @param integer $rrtypeval A DNS packet RR type integer
* @return string The name of the RR type
* @see Net_DNS::typesbyname()
*/
function typesbyval($rrtypeval)
{
$rc = array(
1 => 'A',
2 => 'NS',
3 => 'MD',
4 => 'MF',
5 => 'CNAME',
6 => 'SOA',
7 => 'MB',
8 => 'MG',
9 => 'MR',
10 => 'NULL',
11 => 'WKS',
12 => 'PTR',
13 => 'HINFO',
14 => 'MINFO',
15 => 'MX',
16 => 'TXT',
17 => 'RP',
18 => 'AFSDB',
19 => 'X25',
20 => 'ISDN',
21 => 'RT',
22 => 'NSAP',
23 => 'NSAP_PTR',
24 => 'SIG',
25 => 'KEY',
26 => 'PX',
27 => 'GPOS',
28 => 'AAAA',
29 => 'LOC',
30 => 'NXT',
31 => 'EID',
32 => 'NIMLOC',
33 => 'SRV',
34 => 'ATMA',
35 => 'NAPTR',
99 => 'SPF',
100 => 'UINFO',
101 => 'UID',
102 => 'GID',
103 => 'UNSPEC',
250 => 'TSIG',
251 => 'IXFR',
252 => 'AXFR',
253 => 'MAILB',
254 => 'MAILA',
255 => 'ANY',
);
$rrtypeval = preg_replace(array('/\s*/',' /^0*/'), '', $rrtypeval);
if (empty($rc[$rrtypeval])) {
$rc[$rrtypeval] = null;
}
return $rc[$rrtypeval];
}
/*}}}*/
/* Net_DNS::classesbyname() {{{*/
/**
* translates a DNS class from it's name to it's integer value. Valid
* class names are:
* <ul>
* <li>IN
* <li>CH
* <li>HS
* <li>NONE
* <li>ANY
* </ul>
*
* @param string $class A DNS packet class type
* @return integer The integer value of an class type
* @see Net_DNS::classesbyval()
*/
function classesbyname($class)
{
$rc = array(
'IN' => 1, // RFC 1035
'CH' => 3, // RFC 1035
'HS' => 4, // RFC 1035
'NONE' => 254, // RFC 2136
'ANY' => 255 // RFC 1035
);
if (!isset($rc[$class])) {
$rc[$class] = null;
}
return $rc[$class];
}
/*}}}*/
/* Net_DNS::classesbyval() {{{*/
/**
* Translates RR class integers into names
*
* Translates the integer value of an RR class into it's name
*
* @param integer $classval A DNS packet RR class integer
* @return string The name of the RR class
* @see Net_DNS::classesbyname()
*/
function classesbyval($classval)
{
$rc = array(
1 => 'IN',
3 => 'CH',
4 => 'HS',
254 => 'NONE',
255 => 'ANY'
);
$classval = preg_replace(array('/\s*/',' /^0*/'), '', $classval);
if (empty($rc[$classval])) {
$rc[$classval] = null;
}
return $rc[$classval];
}
/*}}}*/
/* not completed - Net_DNS::mx() {{{*/
/*}}}*/
/* not completed - Net_DNS::yxrrset() {{{*/
/*}}}*/
/* not completed - Net_DNS::nxrrset() {{{*/
/*}}}*/
/* not completed - Net_DNS::yxdomain() {{{*/
/*}}}*/
/* not completed - Net_DNS::nxdomain() {{{*/
/*}}}*/
/* not completed - Net_DNS::rr_add() {{{*/
/*}}}*/
/* not completed - Net_DNS::rr_del() {{{*/
/*}}}*/
}
/* }}} */
/* VIM Settings {{{
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* soft-stop-width: 4
* c indent on
* End:
* vim600: sw=4 ts=4 sts=4 cindent fdm=marker et
* vim<600: sw=4 ts=4
* }}} */
?>
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