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fail2ban.php

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  • fail2ban.php 5.41 KiB
    <?php
    /*
    	FusionPBX
    	Version: MPL 1.1
    
    	The contents of this file are subject to the Mozilla Public License Version
    	1.1 (the "License"); you may not use this file except in compliance with
    	the License. You may obtain a copy of the License at
    	http://www.mozilla.org/MPL/
    
    	Software distributed under the License is distributed on an "AS IS" basis,
    	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    	for the specific language governing rights and limitations under the
    	License.
    
    	The Original Code is FusionPBX
    
    	The Initial Developer of the Original Code is
    	Mark J Crane <markjcrane@fusionpbx.com>
    	Portions created by the Initial Developer are Copyright (C) 2008-2019
    	the Initial Developer. All Rights Reserved.
    
    	The code has been adapted to control fail2ban by Benedikt Wildenhain.
    
    	Contributor(s):
    	Mark J Crane <markjcrane@fusionpbx.com>
    	James Rose <james.o.rose@gmail.com>
    	Benedikt Wildenhain <benedikt.wildenhain@hs-bochum.de> (C) 2020
    */
    
    //includes
    	require_once "root.php";
            require_once "resources/require.php";
            require_once "resources/check_auth.php";
    
    	require_once "resources/engine.inc.php";
    
    //check permissions
    	if (permission_exists('fail2ban_view')) {
    		//access granted
    	}
    	else {
    		echo "access denied";
    		exit;
    	}
    
    //add multi-lingual support
    	$language = new text;
    	$text = $language->get();
    
    //get session data
    	if ($_SESSION['fail2ban-jails']) {
    		$jails = $_SESSION['fail2ban-jails'];
    			if (permission_exists('fail2ban_unban') && $_POST['action'] == 'delete' && $_POST['target'] != '') {
    			$target = explode(':', $_POST['target']);
    			if (count($target) == 2) {
    				$target_jail = $target[0];
    				$target_entry = $target[1];
    				if (array_key_exists($target_jail, $jails)) {
    					unban_ip($target_jail, $jails[$target_jail][$target_entry]);
    				}
    			}
    			} elseif (permission_exists('fail2ban_ban')&& $_POST['action'] == 'add' && $_POST['ip'] != '') {
    				$target_jail = $_POST['jail'];
    				$ip = $_POST['ip'];
    				if (array_key_exists($target_jail, $jails)) {
    					ban_ip($target_jail, $ip);
    					sleep (1); # sometimes won't appear in list_banned without this
    				}
    			}
    	}
    
    //includes and title
    	$document['title'] = $text['title-fail2ban'];
    	require_once "resources/header.php";
    
    
    //show the content
            echo "<div class='action_bar' id='action_bar'>\n";
            echo "  <div class='heading'><b>".$text['title-fail2ban']."</b></div>\n";
    	echo "  <div class='actions'>\n";
    	echo button::create(['type'=>'button','label'=>$text['button-reload'],'icon'=>$_SESSION['theme']['button_icon_reload'],'collapse'=>'hide-xs','style'=>'margin-left: 15px;','link'=>'fail2ban.php']);
            echo "  </div>\n";
            echo "  <div style='clear: both;'></div>\n";
    	echo "</div>\n";
    
    	echo "Dieses Modul ist aktuell noch in Entwicklung<br />";
    
    	$socket_check = check_socket();
    	if ($socket_check != 'OK') {
                    $msg = "<div align='center'>".$text['message-connection']."<br />$socket_check</div>";
                    echo "<div align='center'>\n";
                    echo "<table width='40%'>\n";
                    echo "<tr>\n";
                    echo "<th align='left'>".$text['label-message']."</th>\n";
                    echo "</tr>\n";
                    echo "<tr>\n";
                    echo "<td class='row_style1'><strong>$msg</strong></td>\n";
                    echo "</tr>\n";
                    echo "</table>\n";
                    echo "</div>\n";
    	} else {
    
    		echo "<form id='form_list' method='post'>\n";
    		echo "<input type='hidden' id='action' name='action' value='delete'>\n";
    		echo "<table class='list'>\n";
    		echo "<tr class='list-header'>\n";
    		echo "<th>".$text['label-jail']."</th>\n";
    		echo "<th>".$text['label-ip-address']."</th>\n";
    		if (permission_exists('fail2ban_unban'))
    			echo "<th>".$text['label-action']."</th>\n";
    		echo "</tr>\n";
    
    		$jails=list_jails();
    		$_SESSION["fail2ban-jails"]=array();
    		foreach($jails as $j=>$i){ $banned=list_banned($j); $jails[$j]=$banned; }
    		foreach ($jails as $key => $value) {
    			$_SESSION["fail2ban-jails"][$key]=array();
    			$i=0;
    			foreach ($value as $banned) {
    				$_SESSION["fail2ban-jails"][$key][$i]=strval(explode(' ', $banned)[0]);
    				echo "<tr>\n";
    				echo "<td>$key</td>\n";
    				echo "<td>$banned</td>\n";
    				if (permission_exists('fail2ban_unban')) {
    					echo "<td>";
    					echo button::create(['type'=>'submit','label'=>$text['button-unban'],'icon'=>$_SESSION['theme']['button_icon_delete'],'collapse'=>'hide-xs','style'=>'margin-right: 15px;', 'name'=>'target', 'value'=>"$key:$i"]);
    					echo "</td>\n";
    				}
    				echo "</tr>\n";
    				$i++;
    			}
    		}
    		echo "</form>\n";
    
    		if (permission_exists('fail2ban_ban')) {
    			echo "<tr>\n";
    			echo "<form id='form_ban' method='post'>\n";
    			echo "<input type='hidden' id='action' name='action' value='add'>\n";
    			echo "<td>\n";
    			#echo "<input type='hidden' id='action' name='action' value='ban'>\n";
    			echo "  <select class='formfld' name='jail'>\n";
    			foreach ($jails as $key => $value) {
    				echo "          <option value='$key'>".$key."</option>\n";
    			}
    			echo "  </select>\n";
    			echo "</td>\n";
    
    			echo "<td>\n";
    			echo "  <input class='formfld' name='ip'>\n";
    			echo "</td>\n";
    
    			echo "<td>\n";
    			echo button::create(['type'=>'submit','label'=>$text['button-ban'],'icon'=>$_SESSION['theme']['button_icon_add'],'collapse'=>'hide-xs','style'=>'margin-right: 15px;', 'name'=>'ban']);
    			echo "</td>\n";
    			echo "</form>\n";
    			echo "</tr>\n";
    		}
    		echo "</table>\n";
    	}
    
    //include the footer
    	require_once "resources/footer.php";
    
    ?>