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<?php
/**
* @file
* TeamSpeak 3 PHP Framework
*
* $Id: Blacklist.php 06/06/2016 22:27:13 scp@Svens-iMac $
*
* 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 <http://www.gnu.org/licenses/>.
*
* @package TeamSpeak3
* @version 1.1.24
* @author Sven 'ScP' Paulsen
* @copyright Copyright (c) 2010 by Planet TeamSpeak. All rights reserved.
*/
/**
* @class TeamSpeak3_Adapter_Blacklist
* @brief Provides methods to check if an IP address is currently blacklisted.
*/
class TeamSpeak3_Adapter_Blacklist extends TeamSpeak3_Adapter_Abstract
{
/**
* The IPv4 address or FQDN of the TeamSpeak Systems update server.
*
* @var string
*/
protected $default_host = "blacklist.teamspeak.com";
/**
* The UDP port number of the TeamSpeak Systems update server.
*
* @var integer
*/
protected $default_port = 17385;
/**
* Stores an array containing the latest build numbers.
*
* @var array
*/
protected $build_numbers = null;
/**
* Connects the TeamSpeak3_Transport_Abstract object and performs initial actions on the remote
* server.
*
* @return void
*/
public function syn()
{
if(!isset($this->options["host"]) || empty($this->options["host"])) $this->options["host"] = $this->default_host;
if(!isset($this->options["port"]) || empty($this->options["port"])) $this->options["port"] = $this->default_port;
$this->initTransport($this->options, "TeamSpeak3_Transport_UDP");
$this->transport->setAdapter($this);
TeamSpeak3_Helper_Profiler::init(spl_object_hash($this));
TeamSpeak3_Helper_Signal::getInstance()->emit("blacklistConnected", $this);
}
/**
* The TeamSpeak3_Adapter_Blacklist destructor.
*
* @return void
*/
public function __destruct()
{
if($this->getTransport() instanceof TeamSpeak3_Transport_Abstract && $this->getTransport()->isConnected())
{
$this->getTransport()->disconnect();
}
}
/**
* Returns TRUE if a specified $host IP address is currently blacklisted.
*
* @param string $host
* @throws TeamSpeak3_Adapter_Blacklist_Exception
* @return boolean
*/
public function isBlacklisted($host)
{
if(ip2long($host) === FALSE)
{
$addr = gethostbyname($host);
if($addr == $host)
{
throw new TeamSpeak3_Adapter_Blacklist_Exception("unable to resolve IPv4 address (" . $host . ")");
}
$host = $addr;
}
$this->getTransport()->send("ip4:" . $host);
$repl = $this->getTransport()->read(1);
$this->getTransport()->disconnect();
if(!count($repl))
{
return FALSE;
}
return ($repl->toInt()) ? FALSE : TRUE;
}
}