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<?php
# $Id: security.php 2865 2020-10-18 22:21:46Z rexy $
$language = 'en';
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$langue = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$language = strtolower(substr(chop($langue[0]), 0, 2));
}
if ($language === 'fr') {
$l_title = 'Sécurité';
$l_spoofing = "Adresse(s) MAC usurpée(s) (Watchdog)";
$l_virus = "Virus bloqué(s) (CLAMAV)";
$l_fail2ban = "Adresse(s) IP bloquée(s) (Fail2Ban)";
$l_ban_date = "Date de bloquage";
$l_unban_date = "Date de débloquage";
$l_ipAddress="Adresse IP";
$l_user = "L'utilisateur";
$l_empty="Vide";
$l_rule="Règle";
} else if ($language === 'es') {
$l_title = 'Seguridad';
$l_spoofing = "Direcciones MAC usurpadas (Watchdog)";
$l_virus = "Virus bloqueado (CLAMAV)";
$l_fail2ban = "Dirección(es) IP bloqueada(s) (Fail2Ban)";
$l_ban_date = "Fecha de bloqueo";
$l_unban_date = "Fecha de desembolso";
$l_ipAddress="Dirección ip";
$l_user = "El usuario";
$l_empty="Vacío";
$l_rule="Regla";
} else {
$l_title = 'Security';
$l_spoofing = "MAC address spoofed (Watchdog)";
$l_virus = "Virus blocked (CLAMAV)";
$l_fail2ban = "IP address blocked (Fail2Ban)";
$l_ban_date = "Lock date";
$l_unban_date = "Unlock date";
$l_ipAddress="IP address";
$l_user = "User";
$l_empty="Empty";
$l_rule="Rule";
}
$tab = (isset($_GET['tab'])) ? intval($_GET['tab']) : 1;
?>
<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title><?= $l_title ?></title>
<link rel="stylesheet" href="/css/bootstrap.min.css">
<script src="/js/jquery.min.js"></script>
<script src="/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="/css/acc.css">
</head>
<body>
<div class="panel">
<div class="panel-header"><?= $l_title ?></div>
<div class="panel-row">
<div class="btn-group btn-group-justified" role="group" aria-label="Justified button group">
<a href="security.php?tab=1" class="btn btn-default<?= (($tab === 1) ? ' active' : '') ?>" role="button"><?= $l_spoofing ?></a>
<a href="security.php?tab=2" class="btn btn-default<?= (($tab === 2) ? ' active' : '') ?>" role="button"><?= $l_virus ?></a>
<a href="security.php?tab=3" class="btn btn-default<?= (($tab === 3) ? ' active' : '') ?>" role="button"><?= $l_fail2ban ?></a>
</div>
<?php
if ($tab === 1) {
$spoofs = [];
$regex = '/^\[(?P<date>[0-9\/\-: ]+)\] : alcasar-watchdog : (?P<ip>(?:(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])) is usurped \((?P<mac>(?:[0-9A-Fa-f]{2}[:-]){5}[0-9A-Fa-f]{2})\)\. Alcasar disconnect the user \((?P<user>.+)\)\.$/';
$file = fopen('/var/Save/security/watchdog.log', 'r');
if ($file) {
while (!feof($file)) {
$line = fgets($file);
if (preg_match($regex, $line, $matches)) {
if (preg_match('/[0-9]{2}\/[0-9]{2}\/[0-9]{4}-[0-9]{2}:[0-9]{2}:[0-9]{2}/', $matches['date'], $matches_date)) {
$matches['date'] = DateTime::createFromFormat('d/m/Y-H:i:s', $matches['date'])->format('Y-m-d H:i:s');
}
$spoofs[] = (object) [
'date' => $matches['date'],
'ip' => $matches['ip'],
'mac' => $matches['mac'],
'user' => $matches['user']
];
}
}
fclose($file);
}
$spoofs = array_reverse($spoofs);
?>
<h3><?= $l_spoofing ?></h3>
<div class="container">
<table class="table table-striped table-hover" border="1">
<tr>
<th>
Date
</th>
<th>
<?= $l_ipAddress ?>
</th>
<th>
MAC
</th>
<th>
<?= $l_user ?>
</th>
</tr>
<tbody>
<?php if (!empty($spoofs)): ?>
<?php foreach ($spoofs as $spoof): ?>
<tr><td><?= $spoof->date ?></td><td><?= $spoof->ip ?></td><td><?= $spoof->mac ?></td><td><?= $spoof->user ?></td></tr>
<?php endforeach; ?>
<?php else: ?>
<tr><td colspan="4" style="text-align: center;"><?= $l_empty ?></td></tr>
<?php endif; ?>
</tbody>
</table>
</div>
<?php
} else if ($tab === 2) {
$filePath = '/var/log/clamav/clamd.log';
$pattern = "/\bfound\b/i";
$lines = preg_grep ($pattern, file($filePath));
if ($lines === false) {
exit("Cannot open '$filePath'.");
}
$lines = array_reverse($lines);
?>
<h3><?= $l_virus ?></h3>
<div class="container">
<table class="table table-striped table-hover">
<tbody>
<?php if (!empty($lines)): ?>
<?php foreach ($lines as $line): ?>
<tr><td><?= $line ?></td></tr>
<?php endforeach; ?>
<?php else: ?>
<tr><td style="text-align: center;"><?= $l_empty ?></td></tr>
<?php endif; ?>
</tbody>
</table>
</div>
<?php
} else if ($tab === 3) {
$bans = [];
$regex = '/^(?P<date>[0-9]{4}-[0-9]{2}-[0-9]{2}[ \t]+[0-9]{2}:[0-9]{2}:[0-9]{2}),[0-9]{3}[ \t]+fail2ban\.actions[ \t]+\[[0-9]+\]:[ \t]+NOTICE[ \t]+\[(?P<rule>[a-zA-Z0-9_-]+)\][ \t]+(?P<type>Ban|Unban)[ \t]+(?P<ip>[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})/';
$file = fopen('/var/log/fail2ban.log', 'r');
if ($file) {
while (!feof($file)) {
$line = fgets($file);
if (preg_match($regex, $line, $matches)) {
if ($matches['type'] === 'Ban') {
$bans[] = (object) [
'date_ban' => $matches['date'],
'date_unban' => null,
'rule' => $matches['rule'],
'ip' => $matches['ip']
];
} else if ($matches['type'] === 'Unban') {
foreach (array_reverse($bans) as $ban) {
if (($ban->ip === $matches['ip']) && ($ban->rule === $matches['rule']) && ($ban->date_unban === null)) {
$ban->date_unban = $matches['date'];
break;
}
}
}
}
}
fclose($file);
}
$bans = array_reverse($bans);
?>
<h3><?= $l_fail2ban ?></h3>
<div class="container" border="1">
<table class="table table-striped table-hover" border="1">
<tr >
<th>
<?= $l_ban_date ?>
</th>
<th>
<?= $l_unban_date ?>
</th>
<th>
<?= $l_rule ?>
</th>
<th>
<?= $l_ipAddress ?>
</th>
</tr>
<?php if (!empty($bans)): ?>
<?php foreach ($bans as $ban): ?>
<tr>
<td>
<?= $ban->date_ban ?>
</td>
<td>
<?= $ban->date_unban ?>
</td>
<td>
<?= $ban->rule ?>
</td>
<td>
<?= $ban->ip ?>
</td>
</tr>
<?php endforeach; ?>
<?php else: ?>
<tr><td colspan="4" style="text-align: center;"><?= $l_empty ?></td></tr>
<?php endif; ?>
</table>
</div>
<?php
} else {
echo 'Unknown tab';
}
?>
</div>
</div>
</body>
</html>