///////////////////////////////////////////////////////////////////////////
//
// DNSBL - Spam IP address checker.
// Copyright (C) 2011 Alexey A.Znayev
//
// This program 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.
//
// This program 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 this program. If not, see .
//
// Alexey A.Znayev, znaeff@mail.ru, http://xbsoft.org, http://xbsoft.ru
//
///////////////////////////////////////////////////////////////////////////
// This file contains public class DNSBL
// This class performs IP address check in spam blocking lists as described
// on http://ru.wikipedia.org/wiki/RBL
class DNSBL {
private $_aCheckers = array( // list of checkers available for individual checking
'spamhaus' => array('.zen.spamhaus.org', true), //available for group checking with 'all' key
'spamcop' => array('.bl.spamcop.net', true), //available for group checking with 'all' key
'dsbl' => array('.list.dsbl.org', false), //not available for group checking with 'all' key
'ordb' => array('.relays.ordb.org', false), //not available for group checking with 'all' key
'sorbs' => array('.dnsbl.sorbs.net', false), //not available for group checking with 'all' key
'njabl' => array('.dnsbl.njabl.org', false) //not available for group checking with 'all' key
); // AZ - 1. Key 'all' is illegal
// AZ - 2. Most of spammer IP addresses is covered by 'spamhaus' & 'spamcop' (and they are fast),
// some of the rest may not work sometimes, you can make them group checking available after individual testing
private $_sDefaultChecker = 'spamhaus';
///////////////////////////////////////////////////////////////////////////
// CheckSpamIP - check IP for spam in checkers : given, default or all available for group checking (may be slow)
// parameters:
// string $ip - ip address
// string $checker - checker name or 'all' or nothing
// returns:
// true when IP exitsts in spam-lists of $checker or at least one of all checkers
// false when not or when ip address is local or not correct
public function CheckSpamIP($ip, $checker = ''){
if(empty($ip)) return false;
if(preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $ip) != 1) return false;
$octets = explode('.', $ip);
if($octets[0] == '127') return false;
if($octets[0] == '10') return false;
if($octets[0] == '192' && $octets[0] == '168') return false;
if($octets[0] == '169' && $octets[0] == '254') return false; // ms windows
if((int)$octets[0] > 255 || (int)$octets[1] > 255 || (int)$octets[2] > 255 || (int)$octets[3] > 255 ) return false;
$ret_val = false;
$PTR = implode(array_reverse($octets), '.');
if($checker === 'all'){
foreach(array_values($this->_aCheckers) as $c){
if($c[1]){
$ret_val = $ret_val || $this->_CheckDNSAnswer(dns_get_record($PTR . $c[0], DNS_A));
}
if($ret_val) break;
}
}else if(array_key_exists($checker, $this->_aCheckers)){
$ret_val = $this->_CheckDNSAnswer(dns_get_record($PTR . $this->_aCheckers[$checker][0], DNS_A));
}else{
$ret_val = $this->_CheckDNSAnswer(dns_get_record($PTR . $this->_aCheckers[$this->_sDefaultChecker][0], DNS_A));
}
return $ret_val;
}
///////////////////////////////////////////////////////////////////////////
// GetCheckers - gets list of available checker names
// returns:
// array of strings
public function GetCheckers(){
return array_keys($this->_aCheckers);
}
///////////////////////////////////////////////////////////////////////////
// GetGroupCheckers - gets list of checker names available for group checking with 'all' key
// returns:
// array of strings
public function GetGroupCheckers(){
$ret_val = array();
foreach(array_keys($this->_aCheckers) as $k) if($this->_aCheckers[$k][1]) array_push($ret_val, $k);
return $ret_val;
}
///////////////////////////////////////////////////////////////////////////
// GetDefaultChecker - gets default checker name
// returns:
// string
public function GetDefaultChecker(){
return $this->_sDefaultChecker;
}
///////////////////////////////////////////////////////////////////////////
// SetDefaultChecker - sets default checker name
// parameters:
// string $new_checker - new default checker name
// returns:
// true when success
// false when failed ($new_checker is not in the list of available checker names)
public function SetDefaultChecker($new_checker){
if(array_key_exists($new_checker, $this->_aCheckers)){
$this->_sDefaultChecker = $new_checker;
return true;
}else{
return false;
}
}
///////////////////////////////////////////////////////////////////////////
// EnableGroupChecking - sets checker available for group checking
// parameters:
// string $checker - checker name
// returns:
// true when success ($checker is included)
// false when failed ($checker is not in the list of available checker names)
public function EnableGroupChecking($checker){
if(array_key_exists($checker, $this->_aCheckers)){
$this->_aCheckers[$checker][1] = true;
return true;
}else{
return false;
}
}
///////////////////////////////////////////////////////////////////////////
// DisableGroupChecking - sets checker not available for group checking
// parameters:
// string $checker - checker name
// returns:
// true when success ($checker is excluded)
// false when failed ($checker is not in the list of available checker names)
public function DisableGroupChecking($checker){
if(array_key_exists($checker, $this->_aCheckers)){
$this->_aCheckers[$checker][1] = false;
return true;
}else{
return false;
}
}
// private methods
///////////////////////////////////////////////////////////////////////////
// _CheckDNSAnswer - checks DNS-server answer for 127.0.0.* values
// returns:
// true when success
// false when failed
private function _CheckDNSAnswer($dns_answer){
if(!is_array($dns_answer)) return false;
$len = count($dns_answer);
if($len <= 0) return false;
for($i=0; $i<$len; $i++){
$obj = $dns_answer[$i];
if(!(is_object($obj) || is_array($obj))) return false;
$ip_str = $obj['ip'];
if(!is_string($ip_str)) return false;
$pos = strpos($ip_str, '127.0.0.');
if($pos !== false) return true;
}
return false;
}
} // end of class DNSBL
?>
Comentarios en Run Mireya Run !!!
https://runmireyarun.com
Una viejita con coraje para correr.Tue, 01 Apr 2014 14:51:52 +0000
hourly
1 https://wordpress.org/?v=6.9.4
Comentario en CARRERAS por Jaime Pinilla
https://runmireyarun.com/carreras/#comment-206
Tue, 01 Apr 2014 14:51:52 +0000http://runmireyarun.com/?page_id=3220#comment-206Hola Mireya, muy bueno tu blog,
Te felicito.
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Comentario en RECIBIENDO MI CAMISETA. por paola
https://runmireyarun.com/carreras/carreras-2013/media-maraton-de-bogota-julio-28-de-2013/dsc05706-2/#comment-197
Sun, 28 Jul 2013 00:01:14 +0000http://runmireyarun.com/wp-content/uploads/2013/07/DSC057061.jpg#comment-197Mami, y esa chaqueta negra?
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Comentario en DSCN0210 por jorge oviedo
https://runmireyarun.com/lugar-de-entrenamiento-2/dscn0210-2/#comment-196
Sat, 27 Jul 2013 17:20:59 +0000http://runmireyarun.com/wp-content/uploads/2012/10/DSCN02101.jpg#comment-196Hola…me gustan todas las fotos, pero ésta me fascina.
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Comentario en Puente peatonal, al fondo darán inicio a la maratón. por Maria E
https://runmireyarun.com/run-tour-avianca-2013/dsc05236/#comment-194
Sun, 07 Apr 2013 03:23:47 +0000http://runmireyarun.com/wp-content/uploads/2013/03/DSC05236.jpg#comment-194Derrochando tu elegancia y porte atlético. Muy bonito el uniforme, ademas de la bufanda. Un abrazo.
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Comentario en La Carrera de Empresas 5K – 03 de Junio 2012 por Mireya
https://runmireyarun.com/carreras/carreras-2012/la-carrera-de-empresas-5k-junio-2012/#comment-191
Tue, 02 Apr 2013 11:57:49 +0000http://runmireyarun.com/?page_id=1981#comment-191En respuesta a escort en dubai.
Gracias mi amigo, te deseo lo mejor para ti siempre.
Lindo día para ti y tu familia.
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Comentario en Camisetas y Medallas por Mireya
https://runmireyarun.com/camisetas-y-medallas/#comment-145
Sat, 08 Dec 2012 05:32:13 +0000http://runmireyarun.com/?page_id=2473#comment-145En respuesta a Lucia Teresa Jaramillo.
Gracias Teresita, como va todo en tu vida, espero no termine el año sin saludarte personalmente. Feliz día de las velitas. Besoooos
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Comentario en Camisetas y Medallas por Lucia Teresa Jaramillo
https://runmireyarun.com/camisetas-y-medallas/#comment-144
Tue, 04 Dec 2012 01:27:36 +0000http://runmireyarun.com/?page_id=2473#comment-144Hola Mireya
Que chevere tu blog. Se ve tu empeño y dedicación en lo que haces, te felicito.
Abrazos TERE
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Comentario en LUGAR DE ENTRENAMIENTO por JAVIER REYES
https://runmireyarun.com/lugar-de-entrenamiento-2/#comment-143
Wed, 28 Nov 2012 18:46:53 +0000http://runmireyarun.com/?p=2052#comment-143En respuesta a Mireya.
Hola Mireya, gracias por lo de veloz, aunque en realidad es que andamos persiguiendo a la esperanza (de un mañana mejor).
Por cierto gracias por mostrar tantos rostros de satisfacción en tus fotos.
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Comentario en DSC04928 por Mireya
https://runmireyarun.com/carreras/carreras-2012/carrera-unicef-10-k-18-de-noviembre-2012/dsc04928/#comment-142
Tue, 27 Nov 2012 05:07:17 +0000http://runmireyarun.com/wp-content/uploads/2012/11/DSC04928.jpg#comment-142En respuesta a Fred James.
Fred, gracias mi amigo….sé que también eres amante del deporte y de mi parte muchas felicitaciones. Espero sigas
haciendo esos tures al mar y en buena compañía. Bendiciones mi amigo.
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Comentario en Carrera Unicef 10K – 18 de Noviembre- 2012 por Mireya
https://runmireyarun.com/carreras/carreras-2012/carrera-unicef-10-k-18-de-noviembre-2012/#comment-141
Tue, 27 Nov 2012 05:05:44 +0000http://runmireyarun.com/?page_id=2927#comment-141En respuesta a ali.
I was very happy to see your comment, my friend from Iran. Blessings to you and your beautiful family.
Me dio mucha alegría ver tu comentario, gracias mi amigo de Irán. Bendiciones a ti y tu linda familia.