120 lines
3.2 KiB
PHP
120 lines
3.2 KiB
PHP
<?php
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/**
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* @file
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* TeamSpeak 3 PHP Framework
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*
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* $Id: Blacklist.php 10/11/2013 11:35:21 scp@orilla $
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package TeamSpeak3
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* @version 1.1.23
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* @author Sven 'ScP' Paulsen
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* @copyright Copyright (c) 2010 by Planet TeamSpeak. All rights reserved.
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*/
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/**
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* @class TeamSpeak3_Adapter_Blacklist
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* @brief Provides methods to check if an IP address is currently blacklisted.
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*/
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class TeamSpeak3_Adapter_Blacklist extends TeamSpeak3_Adapter_Abstract
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{
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/**
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* The IPv4 address or FQDN of the TeamSpeak Systems update server.
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*
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* @var string
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*/
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protected $default_host = "blacklist.teamspeak.com";
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/**
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* The UDP port number of the TeamSpeak Systems update server.
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*
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* @var integer
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*/
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protected $default_port = 17385;
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/**
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* Stores an array containing the latest build numbers.
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*
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* @var array
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*/
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protected $build_numbers = null;
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/**
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* Connects the TeamSpeak3_Transport_Abstract object and performs initial actions on the remote
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* server.
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*
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* @return void
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*/
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public function syn()
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{
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if(!isset($this->options["host"]) || empty($this->options["host"])) $this->options["host"] = $this->default_host;
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if(!isset($this->options["port"]) || empty($this->options["port"])) $this->options["port"] = $this->default_port;
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$this->initTransport($this->options, "TeamSpeak3_Transport_UDP");
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$this->transport->setAdapter($this);
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TeamSpeak3_Helper_Profiler::init(spl_object_hash($this));
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TeamSpeak3_Helper_Signal::getInstance()->emit("blacklistConnected", $this);
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}
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/**
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* The TeamSpeak3_Adapter_Blacklist destructor.
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*
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* @return void
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*/
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public function __destruct()
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{
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if($this->getTransport() instanceof TeamSpeak3_Transport_Abstract && $this->getTransport()->isConnected())
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{
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$this->getTransport()->disconnect();
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}
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}
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/**
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* Returns TRUE if a specified $host IP address is currently blacklisted.
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*
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* @param string $host
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* @throws TeamSpeak3_Adapter_Blacklist_Exception
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* @return boolean
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*/
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public function isBlacklisted($host)
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{
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if(ip2long($host) === FALSE)
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{
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$addr = gethostbyname($host);
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if($addr == $host)
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{
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throw new TeamSpeak3_Adapter_Blacklist_Exception("unable to resolve IPv4 address (" . $host . ")");
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}
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$host = $addr;
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}
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$this->getTransport()->send("ip4:" . $host);
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$repl = $this->getTransport()->read(1);
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$this->getTransport()->disconnect();
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if(!count($repl))
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{
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return FALSE;
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}
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return ($repl->toInt()) ? FALSE : TRUE;
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}
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}
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