librenms-librenms/html/includes/table/eventlog.inc.php

<?php

$where = "1";

if (is_numeric($_POST['device']))
{
  $where .= ' AND E.host = ?';
  $param[] = $_POST['device'];
}

if ($_POST['string'])
{
  $where .= " AND E.message LIKE ?";
  $param[] = "%".$_POST['string']."%";
}

if ($_SESSION['userlevel'] >= '5') {
    $sql = " FROM `eventlog` AS E LEFT JOIN `devices` AS `D` ON `E`.`host`=`D`.`device_id` WHERE $where";
} else {
    $sql = " FROM `eventlog` AS E, devices_perms AS P WHERE $where AND E.host = P.device_id AND P.user_id = ?";
    $param[] = $_SESSION['user_id'];
}

if (isset($searchPhrase) && !empty($searchPhrase)) {
    $sql .= " AND (`D`.`hostname` LIKE '%$searchPhrase%' OR `E`.`datetime` LIKE '%$searchPhrase%' OR `E`.`message` LIKE '%$searchPhrase%' OR `E`.`type` LIKE '%$searchPhrase%')";
}

$count_sql = "SELECT COUNT(datetime) $sql";
$total = dbFetchCell($count_sql,$param);
if (empty($total)) {
    $total = 0;
}

if (!isset($sort) || empty($sort)) {
    $sort = 'datetime DESC';
}

$sql .= " ORDER BY $sort";

if (isset($current)) {
    $limit_low = ($current * $rowCount) - ($rowCount);
    $limit_high = $rowCount;
}

if ($rowCount != -1) {
    $sql .= " LIMIT $limit_low,$limit_high";
}

$sql = "SELECT `E`.*,DATE_FORMAT(datetime, '%D %b %Y %T') as humandate $sql";

foreach (dbFetchRows($sql,$param) as $eventlog) {
    $dev = device_by_id_cache($eventlog['host']);
    if ($eventlog['type'] == "interface") {
        $this_if = ifLabel(getifbyid($eventlog['reference']));
        $type = "<b>".generate_port_link($this_if, makeshortif(strtolower($this_if['label'])))."</b>";
    } else {
        $type = "System";
    }
    
    $response[] = array('datetime'=>$eventlog['humandate'],
                        'hostname'=>generate_device_link($dev, shorthost($dev['hostname'])),
                        'type'=>$type,
                        'message'=>htmlspecialchars($eventlog['message']));
}

$output = array('current'=>$current,'rowCount'=>$rowCount,'rows'=>$response,'total'=>$total);
echo _json_encode($output);

?>