function get_instance_stats()
{
    // Overall Ports/Devices statistics
    $stats['ports'] = dbFetchCell("SELECT COUNT(*) FROM ports");
    $stats['devices'] = dbFetchCell("SELECT COUNT(*) FROM devices");
    $stats['edition'] = OBSERVIUM_EDITION;
    // Per-feature statistics
    $stats['sensors'] = dbFetchCell("SELECT COUNT(*) FROM `sensors`");
    $stats['services'] = dbFetchCell("SELECT COUNT(*) FROM `services`");
    $stats['applications'] = dbFetchCell("SELECT COUNT(*) FROM `applications`");
    $stats['bgp'] = dbFetchCell("SELECT COUNT(*) FROM `bgpPeers`");
    $stats['ospf'] = dbFetchCell("SELECT COUNT(*) FROM `ospf_ports`");
    $stats['eigrp'] = dbFetchCell("SELECT COUNT(*) FROM `eigrp_ports`");
    $stats['ipsec_tunnels'] = dbFetchCell("SELECT COUNT(*) FROM `ipsec_tunnels`");
    $stats['munin_plugins'] = dbFetchCell("SELECT COUNT(*) FROM `munin_plugins`");
    $stats['pseudowires'] = dbFetchCell("SELECT COUNT(*) FROM `pseudowires`");
    $stats['vrfs'] = dbFetchCell("SELECT COUNT(*) FROM `vrfs`");
    $stats['vminfo'] = dbFetchCell("SELECT COUNT(*) FROM `vminfo`");
    $stats['users'] = dbFetchCell("SELECT COUNT(*) FROM `users`");
    $stats['bills'] = dbFetchCell("SELECT COUNT(*) FROM `bills`");
    $stats['alerts'] = dbFetchCell("SELECT COUNT(*) FROM `alert_table`");
    $stats['alert_tests'] = dbFetchCell("SELECT COUNT(*) FROM `alert_tests`");
    $stats['slas'] = dbFetchCell("SELECT COUNT(*) FROM `slas`");
    $stats['statuses'] = dbFetchCell("SELECT COUNT(*) FROM `status`");
    $stats['groups'] = dbFetchCell("SELECT COUNT(*) FROM `groups`");
    $stats['group_members'] = dbFetchCell("SELECT COUNT(*) FROM `group_table`");
    $stats['poller_time'] = dbFetchCell("SELECT SUM(`last_polled_timetaken`) FROM devices");
    $stats['discovery_time'] = dbFetchCell("SELECT SUM(`last_discovered_timetaken`) FROM devices");
    $stats['php_version'] = phpversion();
    $os_text = external_exec("DISTROFORMAT=export " . $GLOBALS['config']['install_dir'] . "/scripts/distro");
    foreach (explode("\n", $os_text) as $part) {
        list($a, $b) = explode("=", $part);
        $stats['os'][$a] = $b;
    }
    // sysObjectID for Generic devices
    foreach (dbFetchRows("SELECT `sysObjectID`, COUNT(*) AS `count` FROM `devices` WHERE `os` = 'generic' GROUP BY `sysObjectID`") as $data) {
        $stats['generics'][$data['sysObjectID']] = $data['count'];
    }
    // Per-OS counts
    foreach (dbFetchRows("SELECT COUNT(*) AS `count`, `os` FROM `devices` GROUP BY `os`") as $data) {
        $stats['devicetypes'][$data['os']] = $data['count'];
    }
    // Per-type counts
    foreach (dbFetchRows("SELECT COUNT(*) AS `count`, `type` FROM `devices` GROUP BY `type`") as $data) {
        $stats['types'][$data['type']] = $data['count'];
    }
    // Per-apptype counts
    foreach (dbFetchRows("SELECT COUNT(*) AS `count`, `app_type` FROM `applications` GROUP BY `app_type`") as $data) {
        $stats['app_types'][$data['app_type']] = $data['count'];
    }
    $stats['misc']['max_len']['port_label'] = dbFetchCell("SELECT MAX(LENGTH(`port_label`)) FROM `ports`");
    $stats['misc']['max_len']['port_label_short'] = dbFetchCell("SELECT MAX(LENGTH(`port_label_short`)) FROM `ports`");
    $stats['misc']['max_len']['port_label_base'] = dbFetchCell("SELECT MAX(LENGTH(`port_label_base`)) FROM `ports`");
    $stats['misc']['max_len']['port_label_num'] = dbFetchCell("SELECT MAX(LENGTH(`port_label_num`)) FROM `ports`");
    $stats['version'] = OBSERVIUM_VERSION;
    $stats['uuid'] = get_unique_id();
    return $stats;
}

function get_localhost()
{
    global $cache;
    if (!isset($cache['localhost'])) {
        $cache['localhost'] = php_uname('n');
        if (!strpos($cache['localhost'], '.')) {
            // try use hostname -f for get FQDN hostname
            $localhost_t = external_exec('/bin/hostname -f');
            if (strpos($localhost_t, '.')) {
                $cache['localhost'] = $localhost_t;
            }
        }
    }
    return $cache['localhost'];
}

function wmi_query($wql, $override = NULL, $namespace = NULL)
{
    if (!isset($namespace)) {
        $namespace = $GLOBALS['config']['wmi']['namespace'];
    }
    if (isset($override) && is_array($override)) {
        $hostname = $override['hostname'];
        $domain = $override['domain'];
        $username = $override['username'];
        $password = $override['password'];
    } else {
        $hostname = $GLOBALS['device']['hostname'];
        $domain = $GLOBALS['config']['wmi']['domain'];
        $username = $GLOBALS['config']['wmi']['user'];
        $password = $GLOBALS['config']['wmi']['pass'];
    }
    $options = "--user=" . $username . " ";
    if (empty($password)) {
        $options .= "--no-pass ";
    } else {
        $options .= "--password=" . $password . " ";
    }
    if (!empty($domain)) {
        $options .= "--workgroup=" . $domain . " ";
    }
    if (empty($GLOBALS['config']['wmi']['delimiter'])) {
        $options .= "--delimiter=## ";
    } else {
        $options .= "--delimiter=" . $GLOBALS['config']['wmi']['delimiter'] . " ";
    }
    if (empty($namespace)) {
        $options .= "--namespace='root\\CIMV2' ";
    } else {
        $options .= "--namespace='" . $namespace . "' ";
    }
    if ($GLOBALS['debug']) {
        $options .= "-d2 ";
    }
    $options .= "//" . $hostname;
    $cmd = $GLOBALS['config']['wmic'] . " " . $options . " " . "\"" . $wql . "\"";
    return external_exec($cmd);
}

 if (isset($_SESSION['cache']['response_' . $vars['entity_type'] . '_' . $ip])) {
     echo $_SESSION['cache']['response_' . $vars['entity_type'] . '_' . $ip];
     //echo '<h2>CACHED!</h2>';
     exit;
 }
 $response = '';
 $reverse_dns = gethostbyaddr6($ip);
 if ($reverse_dns) {
     $response .= '<h4>' . $reverse_dns . '</h4><hr />' . PHP_EOL;
 }
 // WHOIS
 if (is_executable($config['whois']) && !isset($config['http_proxy'])) {
     // Use direct whois cmd query (preferred)
     // NOTE, for now not tested and not supported for KRNIC, ie: 202.30.50.0, 2001:02B8:00A2::
     $cmd = $config['whois'] . ' ' . $ip;
     $whois = external_exec($cmd);
     $multi_whois = explode('# start', $whois);
     // Some time whois return multiple (ie: whois 8.8.8.8), than use last
     if (count($multi_whois) > 1) {
         $whois = array_pop($multi_whois);
     }
     $org = 0;
     foreach (explode("\n", $whois) as $line) {
         if (preg_match('/^(\\w[\\w\\s\\-\\/]+):.*$/', $line, $matches)) {
             if (in_array($matches[1], array('Ref', 'source', 'nic-hdl-br'))) {
                 if ($org === 1) {
                     $response .= PHP_EOL;
                     $org++;
                     continue;
                 } else {
                     break;

/**
 * Get information about process by it identifier (pid)
 *
 * @param int     $pid    The process identifier.
 * @param boolean $stats  If true, additionally show cpu/memory stats
 * @return array          Array with information about process, If process not found, return FALSE
 */
function get_pid_info($pid, $stats = FALSE)
{
    $pid = intval($pid);
    if ($pid < 1) {
        print_debug("Incorrect PID passed");
        //trigger_error("PID ".$pid." doesn't exists", E_USER_WARNING);
        return FALSE;
    }
    if ($stats) {
        // Add CPU/Mem stats
        $options = 'pid,ppid,uid,gid,pcpu,pmem,vsz,rss,tty,stat,time,lstart,args';
    } else {
        $options = 'pid,ppid,uid,gid,tty,stat,time,lstart,args';
    }
    $ps = external_exec('/bin/ps -ww -o ' . $options . ' -p ' . $pid);
    $ps = explode("\n", rtrim($ps));
    if ($GLOBALS['exec_status']['exitcode'] === 127) {
        print_debug("/bin/ps command not found, not possible to get process info.");
        return NULL;
    } else {
        if ($GLOBALS['exec_status']['exitcode'] !== 0 || count($ps) < 2) {
            print_debug("PID " . $pid . " doesn't exists");
            //trigger_error("PID ".$pid." doesn't exists", E_USER_WARNING);
            return FALSE;
        }
    }
    // "  PID  PPID   UID   GID %CPU %MEM    VSZ   RSS TT       STAT     TIME                  STARTED COMMAND"
    // "14675 10250  1000  1000  0.0  0.2 194640 11240 pts/4    S+   00:00:00 Mon Mar 21 14:48:08 2016 php ./test_pid.php"
    //
    // "  PID  PPID   UID   GID TT       STAT     TIME                  STARTED COMMAND"
    // "14675 10250  1000  1000 pts/4    S+   00:00:00 Mon Mar 21 14:48:08 2016 php ./test_pid.php"
    //print_vars($ps);
    $timezone = get_timezone();
    // Get system timezone info, for correct started time conversion
    // Parse output
    $keys = preg_split("/\\s+/", $ps[0], -1, PREG_SPLIT_NO_EMPTY);
    $entries = preg_split("/\\s+/", $ps[1], count($keys) - 1, PREG_SPLIT_NO_EMPTY);
    $started = preg_split("/\\s+/", array_pop($entries), 6, PREG_SPLIT_NO_EMPTY);
    $command = array_pop($started);
    $started[] = str_replace(':', '', $timezone['system']);
    // Add system TZ to started time
    $started_rfc = array_shift($started) . ', ';
    $started_rfc .= implode(' ', $started);
    // Reimplode and convert to RFC2822 started date 'Sun, Mar 20 18:01:53 2016 +0300'
    $entries[] = $started_rfc;
    $entries[] = $command;
    // Readd command
    //print_vars($entries);
    //print_vars($started);
    $pid_info = array();
    foreach ($keys as $i => $key) {
        $pid_info[$key] = $entries[$i];
    }
    $pid_info['STARTED_UNIX'] = strtotime($pid_info['STARTED']);
    //print_vars($pid_info);
    return $pid_info;
}

function snmp_translate($oid, $module, $mibdir = null)
{
    if ($module !== 'all') {
        $oid = "{$module}::{$oid}";
    }
    $cmd = 'snmptranslate' . mibdir($mibdir);
    $cmd .= " -m {$module} {$oid}";
    // load all the MIBs looking for our object
    $cmd .= ' 2>/dev/null';
    // ignore invalid MIBs
    $lines = preg_split('/\\n+/', external_exec($cmd));
    if (empty($lines)) {
        d_echo("No results from snmptranslate\n");
        return null;
    }
    $matches = array();
    if (!preg_match('/(.*)::(.*)/', $lines[0], $matches)) {
        d_echo("This doesn't look like a MIB: {$lines['0']}\n");
        return null;
    }
    d_echo("SNMP translated: {$module}::{$oid} -> {$matches['1']}::{$matches['2']}\n");
    return array($matches[1], $matches[2]);
}

 /**
  * @dataProvider providerExternalExec
  * @group exec
  */
 public function testExternalExec($cmd, $timeout, $result)
 {
     $test = external_exec($cmd, $timeout);
     unset($GLOBALS['exec_status']['runtime']);
     $this->assertSame($result, $GLOBALS['exec_status']);
 }

<?php

$ipmi_rows = dbFetchRows("SELECT * FROM sensors WHERE device_id = ? AND poller_type='ipmi'", array($device['device_id']));
d_echo($ipmi_rows);
if ($ipmi['host'] = get_dev_attrib($device, 'ipmi_hostname')) {
    $ipmi['user'] = get_dev_attrib($device, 'ipmi_username');
    $ipmi['password'] = get_dev_attrib($device, 'ipmi_password');
    $ipmi['type'] = get_dev_attrib($device, 'ipmi_type');
    echo 'Fetching IPMI sensor data...';
    if ($config['own_hostname'] != $device['hostname'] || $ipmi['host'] != 'localhost') {
        $remote = ' -H ' . $ipmi['host'] . ' -U ' . $ipmi['user'] . ' -P ' . $ipmi['password'];
    }
    $results = external_exec($config['ipmitool'] . ' -I ' . $ipmi['type'] . ' -c ' . $remote . ' sdr 2>/dev/null');
    d_echo($results);
    echo " done.\n";
    foreach (explode("\n", $results) as $row) {
        list($desc, $value, $type, $status) = explode(',', $row);
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['value'] = $value;
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['unit'] = $type;
    }
    foreach ($ipmi_rows as $ipmisensors) {
        echo 'Updating IPMI sensor ' . $ipmisensors['sensor_descr'] . '... ';
        $sensor = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['value'];
        $unit = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['unit'];
        echo $sensor . " {$unit}\n";
        $rrd_name = get_sensor_rrd_name($device, $ipmisensors);
        $rrd_def = 'DS:sensor:GAUGE:600:-20000:20000';
        $fields = array('sensor' => $sensor);
        $tags = array('sensor_class' => $sensor['sensor_class'], 'sensor_type' => $sensor['sensor_type'], 'sensor_descr' => $sensor['sensor_descr'], 'sensor_index' => $sensor['sensor_index'], 'rrd_name' => $rrd_name, 'rrd_def' => $rrd_def);
        data_update($device, 'ipmi', $tags, $fields);
        // FIXME warnings in event & mail not done here yet!

             $cmd_diff = $config['svn'] . ' diff -r' . $rev['prev'] . ':' . $rev['curr'] . ' ' . $cmd_file;
             $prev_name = 'r' . $rev['prev'];
             break;
         case 'git':
             $cmd_cat = $config['git'] . ' --git-dir=' . $git_dir . ' --work-tree=' . $cmd_dir . ' show ' . $rev['curr'] . ':' . escapeshellarg(basename($device_config_file));
             $cmd_diff = $config['git'] . ' --git-dir=' . $git_dir . ' --work-tree=' . $cmd_dir . ' diff ' . $rev['prev'] . ' ' . $rev['curr'] . ' ' . $cmd_file;
             $prev_name = $rev['prev'];
     }
     $device_config = external_exec($cmd_cat);
     if (!isset($rev['prev'])) {
         $diff = '';
         if (empty($device_config)) {
             $device_config = '# 初始化设备添加.';
         }
     } else {
         $diff = external_exec($cmd_diff);
         if (!$diff) {
             $diff = '无差异';
         }
     }
 } else {
     $fh = fopen($device_config_file, 'r') or die("无法打开文件");
     $device_config = fread($fh, filesize($device_config_file));
     fclose($fh);
 }
 if ($config['rancid_ignorecomments']) {
     if (isset($config['os'][$device['os']]['comments'])) {
         $comments_pattern = $config['os'][$device['os']]['comments'];
     } else {
         // Default pattern
         $comments_pattern = '/^\\s*#/';

function snmpget_cache_multi($device, $oids, $array, $mib = NULL, $mibdir = NULL, $flags = OBS_QUOTES_TRIM)
{
    global $snmp_stats, $mibs_loaded;
    $output = 'QUs';
    $numeric_oids = is_flag_set(OBS_SNMP_NUMERIC, $flags);
    // Numeric oids, do not parse oid part
    if (is_flag_set(OBS_SNMP_NUMERIC_INDEX, $flags)) {
        $output .= 'b';
    }
    if ($numeric_oids) {
        $output .= 'n';
    }
    if (is_flag_set(OBS_SNMP_ENUM, $flags)) {
        $output .= 'e';
    }
    if (is_flag_set(OBS_SNMP_HEX, $flags)) {
        $output .= 'x';
    }
    $options = "-O{$output}";
    if (is_array($oids)) {
        $data = '';
        $oid_chunks = array_chunk($oids, 16);
        $GLOBALS['snmp_status'] = FALSE;
        foreach ($oid_chunks as $oid_chunk) {
            $oid_text = implode($oid_chunk, ' ');
            $cmd = snmp_command('snmpget', $device, $oid_text, $options, $mib, $mibdir, $flags);
            $start = microtime(TRUE);
            $this_data = trim(external_exec($cmd));
            $runtime = microtime(TRUE) - $start;
            $GLOBALS['snmp_status'] = $GLOBALS['exec_status']['exitcode'] === 0 ? TRUE : $GLOBALS['snmp_status'];
            snmp_log_errors('snmpget', $device, $oid_text, $options, $mib, $mibdir);
            $data .= $this_data . "\n";
            $GLOBALS['snmp_stats']['snmpget']['count']++;
            $GLOBALS['snmp_stats']['snmpget']['time'] += $runtime;
        }
    } else {
        $cmd = snmp_command('snmpget', $device, $oids, $options, $mib, $mibdir, $flags);
        $start = microtime(TRUE);
        $data = trim(external_exec($cmd));
        $runtime = microtime(TRUE) - $start;
        $GLOBALS['snmp_status'] = $GLOBALS['exec_status']['exitcode'] === 0 ? TRUE : FALSE;
        snmp_log_errors('snmpget', $device, $oids, $options, $mib, $mibdir);
        $GLOBALS['snmp_stats']['snmpget']['count']++;
        $GLOBALS['snmp_stats']['snmpget']['time'] += $runtime;
    }
    foreach (explode("\n", $data) as $entry) {
        list($oid, $value) = explode('=', $entry, 2);
        $oid = trim($oid);
        $value = trim_quotes($value, $flags);
        if (strpos($value, 'Wrong Type') === 0) {
            // Remove Wrong Type string
            $value = preg_replace('/Wrong Type .*?: (.*)/s', '\\1', $value);
        }
        // For numeric oids do not split oid and index part
        if ($numeric_oids && isset($oid[0]) && is_valid_snmp_value($value)) {
            $array[$oid] = $value;
            continue;
        }
        list($oid, $index) = explode('.', $oid, 2);
        if (isset($oid[0]) && isset($index) && is_valid_snmp_value($value)) {
            $array[$index][$oid] = $value;
        }
    }
    if (empty($array)) {
        $GLOBALS['snmp_status'] = FALSE;
        snmp_log_errors('snmpget', $device, $oids, $options, $mib, $mibdir);
    }
    if (OBS_DEBUG) {
        print_message('SNMP STATUS[' . ($GLOBALS['snmp_status'] ? '%gTRUE' : '%rFALSE') . '%n]', 'color');
    }
    return $array;
}

function rrdtool_file_info($file)
{
    global $config;
    $info = array('filename' => $file);
    $rrd = array_filter(explode(PHP_EOL, external_exec($config['rrdtool'] . ' info ' . $file)), 'strlen');
    if ($rrd) {
        foreach ($rrd as $s) {
            $p = strpos($s, '=');
            if ($p === false) {
                continue;
            }
            $key = trim(substr($s, 0, $p));
            $value = trim(substr($s, $p + 1));
            if (strncmp($key, 'ds[', 3) == 0) {
                /* DS definition */
                $p = strpos($key, ']');
                $ds = substr($key, 3, $p - 3);
                if (!isset($info['DS'])) {
                    $info['DS'] = array();
                }
                $ds_key = substr($key, $p + 2);
                if (strpos($ds_key, '[') === false) {
                    if (!isset($info['DS']["{$ds}"])) {
                        $info['DS']["{$ds}"] = array();
                    }
                    $info['DS']["{$ds}"]["{$ds_key}"] = rrd_strip_quotes($value);
                }
            } else {
                if (strncmp($key, 'rra[', 4) == 0) {
                    /* RRD definition */
                    $p = strpos($key, ']');
                    $rra = substr($key, 4, $p - 4);
                    if (!isset($info['RRA'])) {
                        $info['RRA'] = array();
                    }
                    $rra_key = substr($key, $p + 2);
                    if (strpos($rra_key, '[') === false) {
                        if (!isset($info['RRA']["{$rra}"])) {
                            $info['RRA']["{$rra}"] = array();
                        }
                        $info['RRA']["{$rra}"]["{$rra_key}"] = rrd_strip_quotes($value);
                    }
                } else {
                    if (strpos($key, '[') === false) {
                        $info[$key] = rrd_strip_quotes($value);
                    }
                }
            }
        }
    }
    return $info;
}

<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage alerting
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2016 Observium Limited
 *
 */
// Export all tags for external program usage
foreach (array_keys($message_tags) as $key) {
    putenv("OBSERVIUM_{$key}=" . $message_tags[$key]);
}
// Execute given script
external_exec($endpoint['script']);
// If script's exit code is 0, success. Otherwise we mark it as failed.
if ($GLOBALS['exec_status']['exitcode'] == 0) {
    $notify_status['success'] = TRUE;
} else {
    $notify_status['success'] = FALSE;
}
// Clean out all set environment variable we set before execution
foreach (array_keys($message_tags) as $key) {
    putenv("OBSERVIUM_{$key}");
}
unset($message, $output, $exitcode);
// EOF

<?php

$ipmi_rows = dbFetchRows("SELECT * FROM sensors WHERE device_id = ? AND poller_type='ipmi'", array($device['device_id']));
if ($ipmi['host'] = get_dev_attrib($device, 'ipmi_hostname')) {
    $ipmi['user'] = get_dev_attrib($device, 'ipmi_username');
    $ipmi['password'] = get_dev_attrib($device, 'ipmi_password');
    echo "Fetching IPMI sensor data...";
    if ($config['own_hostname'] != $device['hostname'] || $ipmi['host'] != 'localhost') {
        $remote = " -H " . $ipmi['host'] . " -U " . $ipmi['user'] . " -P " . $ipmi['password'];
    }
    $results = external_exec($config['ipmitool'] . " -c " . $remote . " sdr 2>/dev/null");
    echo " done.\n";
    foreach (explode("\n", $results) as $row) {
        list($desc, $value, $type, $status) = explode(',', $row);
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['value'] = $value;
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['unit'] = $type;
    }
    foreach ($ipmi_rows as $ipmisensors) {
        echo "Updating IPMI sensor " . $ipmisensors['sensor_descr'] . "... ";
        $sensor = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['value'];
        $unit = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['unit'];
        $rrd_file = get_sensor_rrd($device, $ipmisensors);
        if (is_file($old_rrd_file)) {
            rename($old_rrd_file, $rrd_file);
        }
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, "--step 300 \\\n      DS:sensor:GAUGE:600:-20000:20000 " . $config['rrd_rra']);
        }
        echo $sensor . " {$unit}\n";
        rrdtool_update($rrd_file, "N:{$sensor}");
        // FIXME warnings in event & mail not done here yet!

function snmp_walk($device, $oid, $options = NULL, $mib = NULL, $mibdir = NULL, $strip_quotes = 1)
{
    global $runtime_stats;
    $cmd = snmp_command('snmpwalk', $device, $oid, $options, $mib, $mibdir);
    $data = trim(external_exec($cmd));
    $GLOBALS['snmp_status'] = $GLOBALS['exec_status']['exitcode'] === 0 ? TRUE : FALSE;
    if ($strip_quotes) {
        $data = str_replace("\"", "", $data);
    }
    if (is_string($data) && preg_match("/No Such (Object|Instance)/i", $data)) {
        $data = FALSE;
        $GLOBALS['snmp_status'] = FALSE;
    } else {
        if (preg_match('/No more variables left in this MIB View \\(It is past the end of the MIB tree\\)$/', $data) || preg_match('/End of MIB$/', $data)) {
            # Bit ugly :-(
            $d_ex = explode("\n", $data);
            $d_ex_count = count($d_ex);
            if ($d_ex_count > 1) {
                // Remove last line
                unset($d_ex[$d_ex_count - 1]);
                $data = implode("\n", $d_ex);
            } else {
                $data = FALSE;
                $GLOBALS['snmp_status'] = FALSE;
            }
        }
    }
    $runtime_stats['snmpwalk']++;
    if (OBS_DEBUG) {
        print_message('SNMP_STATUS[' . ($GLOBALS['snmp_status'] ? '%gTRUE' : '%rFALSE') . '%n]', 'color');
    }
    return $data;
}

$stats['ospf'] = dbFetchCell("SELECT COUNT(*) FROM `ospf_ports`");
$stats['eigrp'] = dbFetchCell("SELECT COUNT(*) FROM `eigrp_ports`");
$stats['ipsec_tunnels'] = dbFetchCell("SELECT COUNT(*) FROM `ipsec_tunnels`");
$stats['munin_plugins'] = dbFetchCell("SELECT COUNT(*) FROM `munin_plugins`");
$stats['pseudowires'] = dbFetchCell("SELECT COUNT(*) FROM `pseudowires`");
$stats['vrfs'] = dbFetchCell("SELECT COUNT(*) FROM `vrfs`");
$stats['vminfo'] = dbFetchCell("SELECT COUNT(*) FROM `vminfo`");
$stats['users'] = dbFetchCell("SELECT COUNT(*) FROM `users`");
$stats['bills'] = dbFetchCell("SELECT COUNT(*) FROM `bills`");
$stats['alerts'] = dbFetchCell("SELECT COUNT(*) FROM `alert_table`");
$stats['alert_tests'] = dbFetchCell("SELECT COUNT(*) FROM `alert_tests`");
$stats['groups'] = dbFetchCell("SELECT COUNT(*) FROM `groups`");
$stats['group_members'] = dbFetchCell("SELECT COUNT(*) FROM `group_table`");
$stats['poller_time'] = dbFetchCell("SELECT SUM(`last_polled_timetaken`) FROM devices");
$stats['php_version'] = phpversion();
$os_text = external_exec("DISTROFORMAT=export " . $config['install_dir'] . "/scripts/distro");
foreach (explode("\n", $os_text) as $part) {
    list($a, $b) = explode("=", $part);
    $stats['os'][$a] = $b;
}
// sysObjectID for Generic devices
foreach (dbFetchRows("SELECT `sysObjectID`, COUNT(*) AS `count` FROM `devices` WHERE `os` = 'generic' GROUP BY `sysObjectID`") as $data) {
    $stats['generics'][$data['sysObjectID']] = $data['count'];
}
// Per-OS counts
foreach (dbFetchRows("SELECT COUNT(*) AS `count`, `os` FROM `devices` GROUP BY `os`") as $data) {
    $stats['devicetypes'][$data['os']] = $data['count'];
}
// Per-type counts
foreach (dbFetchRows("SELECT COUNT(*) AS `count`, `type` FROM `devices` GROUP BY `type`") as $data) {
    $stats['types'][$data['type']] = $data['count'];

/// FIXME. From this uses only check_valid_sensors(), maybe need move to global functions or copy to polling. --mike
include_once "includes/discovery/functions.inc.php";
if ($ipmi['host'] = get_dev_attrib($device, 'ipmi_hostname')) {
    $ipmi['user'] = get_dev_attrib($device, 'ipmi_username');
    $ipmi['password'] = get_dev_attrib($device, 'ipmi_password');
    $ipmi['port'] = get_dev_attrib($device, 'ipmi_port');
    $ipmi['interface'] = get_dev_attrib($device, 'ipmi_interface');
    $ipmi['userlevel'] = get_dev_attrib($device, 'ipmi_userlevel');
    if (!is_numeric($ipmi['port'])) {
        $ipmi['port'] = 623;
    }
    if ($ipmi['userlevel'] == '') {
        $ipmi['userlevel'] = 'USER';
    }
    if (array_search($ipmi['interface'], array_keys($config['ipmi']['interfaces'])) === FALSE) {
        $ipmi['interface'] = 'lan';
    }
    // Also triggers on empty value
    if ($config['own_hostname'] != $device['hostname'] || $ipmi['host'] != 'localhost') {
        $remote = " -I " . escapeshellarg($ipmi['interface']) . " -p " . $ipmi['port'] . " -H " . escapeshellarg($ipmi['host']) . " -L " . escapeshellarg($ipmi['userlevel']) . " -U " . escapeshellarg($ipmi['user']) . " -P " . escapeshellarg($ipmi['password']);
    }
    $results = external_exec($config['ipmitool'] . $remote . " sensor 2>/dev/null");
    $ipmi_sensors = parse_ipmitool_sensor($device, $results);
}
if (OBS_DEBUG) {
    print_vars($ipmi_sensors);
}
foreach ($config['ipmi_unit'] as $type) {
    check_valid_sensors($device, $type, $ipmi_sensors, 'ipmi');
}
// EOF

/**
 * Checks device availability by icmp echo response
 * If flag OBS_PING_SKIP passed, pings skipped and returns 0.001 (1ms)
 *
 * @param string $hostname Device hostname or IP address
 * @param int Flags. Supported OBS_DNS_A, OBS_DNS_AAAA and OBS_PING_SKIP
 * @return float Average response time for used retries count (default retries is 3)
 */
function isPingable($hostname, $flags = OBS_DNS_ALL)
{
    global $config;
    $ping_debug = isset($config['ping']['debug']) && $config['ping']['debug'];
    $try_a = is_flag_set(OBS_DNS_A, $flags);
    if (is_flag_set(OBS_PING_SKIP, $flags)) {
        return 0.001;
        // Ping is skipped, just return 1ms
    }
    $timeout = isset($config['ping']['timeout']) ? (int) $config['ping']['timeout'] : 500;
    if ($timeout < 50) {
        $timeout = 50;
    } else {
        if ($timeout > 2000) {
            $timeout = 2000;
        }
    }
    $retries = isset($config['ping']['retries']) ? (int) $config['ping']['retries'] : 3;
    if ($retries < 1) {
        $retries = 3;
    } else {
        if ($retries > 10) {
            $retries = 10;
        }
    }
    $sleep = floor(1000000 / $retries);
    // interval between retries, max 1 sec
    if ($ip_version = get_ip_version($hostname)) {
        // Ping by IP
        if ($ip_version === 6) {
            $cmd = $config['fping6'] . " -t {$timeout} -c 1 -q {$hostname} 2>&1";
        } else {
            if (!$try_a) {
                if ($ping_debug) {
                    logfile('debug.log', __FUNCTION__ . "() | DEVICE: {$hostname} | Passed IPv4 address but device use IPv6 transport");
                }
                print_debug('Into function ' . __FUNCTION__ . '() passed IPv4 address (' . $hostname . 'but device use IPv6 transport');
                return 0;
            }
            // Forced check for actual IPv4 address
            $cmd = $config['fping'] . " -t {$timeout} -c 1 -q {$hostname} 2>&1";
        }
    } else {
        // First try IPv4
        $ip = $try_a ? gethostbyname($hostname) : FALSE;
        // Do not check IPv4 if transport IPv6
        if ($ip && $ip != $hostname) {
            $cmd = $config['fping'] . " -t {$timeout} -c 1 -q {$ip} 2>&1";
        } else {
            $ip = gethostbyname6($hostname, OBS_DNS_AAAA);
            // Second try IPv6
            if ($ip) {
                $cmd = $config['fping6'] . " -t {$timeout} -c 1 -q {$ip} 2>&1";
            } else {
                // No DNS records
                if ($ping_debug) {
                    logfile('debug.log', __FUNCTION__ . "() | DEVICE: {$hostname} | NO DNS record found");
                }
                return 0;
            }
        }
    }
    for ($i = 1; $i <= $retries; $i++) {
        $output = external_exec($cmd);
        if ($GLOBALS['exec_status']['exitcode'] === 0) {
            // normal $output = '8.8.8.8 : xmt/rcv/%loss = 1/1/0%, min/avg/max = 1.21/1.21/1.21'
            $tmp = explode('/', $output);
            $ping = $tmp[7];
            if (!$ping) {
                $ping = 0.001;
            }
            // Protection from zero (exclude false status)
        } else {
            $ping = 0;
        }
        if ($ping) {
            break;
        }
        if ($ping_debug) {
            logfile('debug.log', __FUNCTION__ . "() | DEVICE: {$hostname} | FPING OUT ({$i}): " . $output[0]);
            if ($i == $retries) {
                $mtr = $config['mtr'] . " -r -n -c 5 {$ip}";
                logfile('debug.log', __FUNCTION__ . "() | DEVICE: {$hostname} | MTR OUT:\n" . external_exec($mtr));
            }
        }
        if ($i < $retries) {
            usleep($sleep);
        }
    }
    return $ping;
}

         print_debug("Found file ending in '.rrd': " . $file);
         if ($cutoff) {
             $file_data = stat($file);
             if ($file_data['mtime'] < $cutoff) {
                 print_debug("File modification time is " . format_unixtime($file_data['mtime']) . " - deleting");
                 logfile("housekeeping.log", "File {$file} modification time is " . format_unixtime($file_data['mtime']) . " - deleting");
                 unlink($file);
                 $count_notmodified++;
             }
         }
         // Not using finfo functions from PHP, whatever I tried always resulted in application/octet-stream. Dumb thing.
         if ($config['housekeeping']['rrd']['invalid'] && file_exists($file)) {
             if (!file_exists($config['file'])) {
                 print_debug("Magic 'file' binary not found in configured path!");
             } else {
                 $filetype = $this_data = trim(external_exec($config['file'] . " -b " . $file));
                 if (substr($filetype, 0, 10) != "RRDTool DB") {
                     print_debug("Invalid file type for {$file} ({$filetype}) - deleting");
                     logfile("housekeeping.log", "File {$file} has invalid type: {$filetype} - deleting");
                     unlink($file);
                     $count_notvalid++;
                 }
             }
         }
     }
 }
 if ($prompt && $cutoff) {
     if ($count_notmodified) {
         print_message("Deleted {$count_notmodified} not modified RRD files older than " . format_unixtime($cutoff));
     } else {
         print_message("No RRD files found last modified before " . format_unixtime($cutoff));

function snmp_cache_portName($device, $array)
{
    global $config;
    if (is_numeric($device['timeout']) && $device['timeout'] > 0) {
        $timeout = $device['timeout'];
    } elseif (isset($config['snmp']['timeout'])) {
        $timeout = $config['snmp']['timeout'];
    }
    if (is_numeric($device['retries']) && $device['retries'] > 0) {
        $retries = $device['retries'];
    } elseif (isset($config['snmp']['retries'])) {
        $retries = $config['snmp']['retries'];
    }
    if (!isset($device['transport'])) {
        $device['transport'] = "udp";
    }
    $cmd = $config['snmpwalk'];
    $cmd .= snmp_gen_auth($device);
    $cmd .= " -CI -m CISCO-STACK-MIB -O Qs";
    $cmd .= " -M " . $config['install_dir'] . "/mibs";
    if (isset($timeout)) {
        $cmd .= " -t " . $timeout;
    }
    if (isset($retries)) {
        $cmd .= " -r " . $retries;
    }
    $cmd .= " " . $device['transport'] . ":" . $device['hostname'] . ":" . $device['port'] . " portName";
    $output = trim(external_exec($cmd));
    $device_id = $device['device_id'];
    #echo("Caching: portName\n");
    foreach (explode("\n", $output) as $entry) {
        $entry = str_replace("portName.", "", $entry);
        list($slotport, $portName) = explode("=", $entry);
        $slotport = trim($slotport);
        $portName = trim($portName);
        if ($array[$slotport]['ifIndex']) {
            $ifIndex = $array[$slotport]['ifIndex'];
            $array[$slotport]['portName'] = $portName;
            $array[$ifIndex]['portName'] = $portName;
        }
    }
    return $array;
}

function snmp_walk($device, $oid, $options = NULL, $mib = NULL, $mibdir = NULL, $strip_quotes = 1)
{
    global $debug, $config, $runtime_stats;
    $cmd = snmp_command('snmpwalk', $device, $oid, $options, $mib, $mibdir);
    $data = trim(external_exec($cmd));
    $GLOBALS['snmp_status'] = $GLOBALS['exec_status']['exitcode'] === 0 ? TRUE : FALSE;
    if ($strip_quotes) {
        $data = str_replace("\"", "", $data);
    }
    if (is_string($data) && preg_match("/No Such (Object|Instance)/i", $data)) {
        $data = false;
        $GLOBALS['snmp_status'] = FALSE;
    } else {
        if (preg_match('/No more variables left in this MIB View \\(It is past the end of the MIB tree\\)$/', $data) || preg_match('/End of MIB$/', $data)) {
            # Bit ugly :-(
            $d_ex = explode("\n", $data);
            unset($d_ex[count($d_ex) - 1]);
            $data = implode("\n", $d_ex);
        }
    }
    $runtime_stats['snmpwalk']++;
    return $data;
}