/**
* Re-Validate Rule-Mappings
* @param integer $device Device-ID
* @param integer $rule Rule-ID
* @return boolean
*/
function IsRuleValid($device, $rule)
{
global $rulescache;
if (empty($rulescache[$device]) || !isset($rulescache[$device])) {
foreach (GetRules($device) as $chk) {
$rulescache[$device][$chk['id']] = true;
}
}
if ($rulescache[$device][$rule] === true) {
return true;
}
return false;
}
/**
* Run all rules for a device
* @param int $device Device-ID
* @return void
*/
function RunRules($device)
{
if (IsMaintenance($device) > 0) {
echo "Under Maintenance, Skipping alerts.\r\n";
return false;
}
foreach (GetRules($device) as $rule) {
c_echo('Rule %p#' . $rule['id'] . ' (' . $rule['name'] . '):%n ');
$inv = json_decode($rule['extra'], true);
if (isset($inv['invert'])) {
$inv = (bool) $inv['invert'];
} else {
$inv = false;
}
d_echo(PHP_EOL);
$chk = dbFetchRow("SELECT state FROM alerts WHERE rule_id = ? && device_id = ? ORDER BY id DESC LIMIT 1", array($rule['id'], $device));
$sql = GenSQL($rule['rule']);
$qry = dbFetchRows($sql, array($device));
if (isset($qry[0]['ip'])) {
$qry[0]['ip'] = inet6_ntop($qry[0]['ip']);
}
$s = sizeof($qry);
if ($s == 0 && $inv === false) {
$doalert = false;
} elseif ($s > 0 && $inv === false) {
$doalert = true;
} elseif ($s == 0 && $inv === true) {
$doalert = true;
} else {
//( $s > 0 && $inv == false ) {
$doalert = false;
}
if ($doalert) {
if ($chk['state'] === "2") {
c_echo('Status: %ySKIP');
} elseif ($chk['state'] >= "1") {
c_echo('Status: %bNOCHG');
} else {
$extra = gzcompress(json_encode(array('contacts' => GetContacts($qry), 'rule' => $qry)), 9);
if (dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'details' => $extra), 'alert_log')) {
if (!dbUpdate(array('state' => 1, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device, $rule['id']))) {
dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
}
c_echo(PHP_EOL . 'Status: %rALERT');
}
}
} else {
if ($chk['state'] === "0") {
c_echo('Status: %bNOCHG');
} else {
if (dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id']), 'alert_log')) {
if (!dbUpdate(array('state' => 0, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device, $rule['id']))) {
dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
}
c_echo(PHP_EOL . 'Status: %gOK');
}
}
}
c_echo('%n' . PHP_EOL);
}
}
/**
* Run all rules for a device
* @param int $device Device-ID
* @return void
*/
function RunRules($device)
{
if (IsMaintenance($device) > 0) {
echo "Under Maintenance, Skipping alerts.\r\n";
return false;
}
foreach (GetRules($device) as $rule) {
echo " #" . $rule['id'] . ":";
$inv = json_decode($rule['extra'], true);
if (isset($inv['invert'])) {
$inv = (bool) $inv['invert'];
} else {
$inv = false;
}
$chk = dbFetchRow("SELECT state FROM alerts WHERE rule_id = ? && device_id = ? ORDER BY id DESC LIMIT 1", array($rule['id'], $device));
$sql = GenSQL($rule['rule']);
$qry = dbFetchRows($sql, array($device));
$s = sizeof($qry);
if ($s == 0 && $inv === false) {
$doalert = false;
} elseif ($s > 0 && $inv === false) {
$doalert = true;
} elseif ($s == 0 && $inv === true) {
$doalert = true;
} else {
//( $s > 0 && $inv == false ) {
$doalert = false;
}
if ($doalert) {
if ($chk['state'] === "2") {
echo " SKIP ";
} elseif ($chk['state'] >= "1") {
echo " NOCHG ";
} else {
$extra = gzcompress(json_encode(array('contacts' => GetContacts($qry), 'rule' => $qry)), 9);
if (dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'details' => $extra), 'alert_log')) {
if (!dbUpdate(array('state' => 1, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device, $rule['id']))) {
dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
}
echo " ALERT ";
}
}
} else {
if ($chk['state'] === "0") {
echo " NOCHG ";
} else {
if (dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id']), 'alert_log')) {
if (!dbUpdate(array('state' => 0, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device, $rule['id']))) {
dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
}
echo " OK ";
}
}
}
}
}
* @link http://librenms.org
* @copyright 2016 Neil Lathwood
* @author Neil Lathwood <*****@*****.**>
*/
if (!is_admin()) {
echo "Insufficient Privileges";
exit;
}
$hostname = escapeshellcmd($_REQUEST['hostname']);
$type = $_REQUEST['type'];
switch ($type) {
case 'alerts':
$filename = "alerts-{$hostname}.txt";
$device_id = getidbyname($hostname);
$device = device_by_id_cache($device_id);
$rules = GetRules($device_id);
$output = '';
foreach ($rules as $rule) {
if (empty($rule['query'])) {
$rule['query'] = GenSQL($rule['rule']);
}
$sql = $rule['query'];
$qry = dbFetchRow($sql, array($device_id));
if (is_array($qry)) {
$response = 'matches';
} else {
$response = 'no match';
}
$output .= 'Rule name: ' . $rule['name'] . PHP_EOL;
$output .= 'Alert rule: ' . $rule['rule'] . PHP_EOL;
$output .= 'Alert query: ' . $rule['query'] . PHP_EOL;