Ejemplo n.º 1
0
function discover_new_device_ip($host)
{
    global $config;
    if (match_network($config['autodiscovery']['ip_nets'], $host)) {
        if (isPingable($host)) {
            echo "Pingable ";
            foreach ($config['snmp']['community'] as $community) {
                $device = deviceArray($host, $community, "v2c", "161", "udp", NULL);
                print_message("Trying community {$community} ...");
                if (isSNMPable($device)) {
                    echo "SNMPable ";
                    $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                    if (dbFetchCell("SELECT COUNT(device_id) FROM devices WHERE sysName = ?", array($snmphost)) == '0') {
                        $device_id = createHost($snmphost, $community, "v2c", "161", "udp");
                        $device = device_by_id_cache($device_id, 1);
                        array_push($GLOBALS['devices'], $device);
                        return $device_id;
                    } else {
                        echo "Already have host with sysName {$snmphost}\n";
                    }
                }
            }
        }
    }
}
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage discovery
 * @subpackage functions
 * @author     Adam Armstrong <*****@*****.**>
 * @copyright  (C) 2006-2014 Adam Armstrong
 *
 */
function discover_new_device_ip($host, $source = 'xdp', $protocol = NULL, $device = NULL, $port = NULL)
{
    global $config;
    print_debug("Discovering possible new device on {$host}");
    if ($config['autodiscovery'][$source]) {
        if (match_network($config['autodiscovery']['ip_nets'], $host)) {
            $db = dbFetchRow("SELECT * FROM ipv4_addresses AS A, ports AS P, devices AS D WHERE A.ipv4_address = ? AND P.port_id = A.port_id AND D.device_id = P.device_id", array($host));
            if (is_array($db)) {
                print_debug("Already have {$host} on " . $db['hostname']);
            } else {
                if (isPingable($host)) {
                    echo "Pingable ";
                    foreach ($config['snmp']['community'] as $community) {
                        $newdevice = deviceArray($host, $community, "v2c", "161", "udp", NULL);
                        print_message("Trying community {$community} ...");
                        if (isSNMPable($newdevice)) {
                            echo "SNMPable ";
                            $snmphost = snmp_get($newdevice, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (dbFetchCell("SELECT COUNT(device_id) FROM devices WHERE sysName = ?", array($snmphost)) == '0') {
                                $device_id = createHost($snmphost, $community, "v2c", "161", "udp");
                                $newdevice = device_by_id_cache($device_id, 1);
                                array_push($GLOBALS['devices'], $newdevice);
                                if (!$protocol) {
                                    $protocol = strtoupper($source);
                                }
                                if ($port) {
                                    humanize_port($port);
                                    log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'interface', $port['port_id']);
                                } else {
                                    log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id);
                                }
                                return $device_id;
                            } else {
                                echo "Already have host with sysName {$snmphost}\n";
                            }
                        }
                    }
                } else {
                    print_debug("IP not pingable.");
                }
            }
        } else {
            print_debug("Host does not match configured nets");
        }
    } else {
        print_debug("Source {$source} disabled for autodiscovery!");
    }
}
Ejemplo n.º 3
0
function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0', $poller_group = '0', $force_add = '0')
{
    global $config;
    list($hostshort) = explode(".", $host);
    // Test Database Exists
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
        if ($config['addhost_alwayscheckip'] === TRUE) {
            $ip = gethostbyname($host);
        } else {
            $ip = $host;
        }
        if (ip_exists($ip) === false) {
            // Test reachability
            if ($force_add == 1 || isPingable($host)) {
                if (empty($snmpver)) {
                    // Try SNMPv2c
                    $snmpver = 'v2c';
                    $ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                    if (!$ret) {
                        //Try SNMPv3
                        $snmpver = 'v3';
                        $ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                        if (!$ret) {
                            // Try SNMPv1
                            $snmpver = 'v1';
                            return addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                        } else {
                            return $ret;
                        }
                    } else {
                        return $ret;
                    }
                }
                if ($snmpver === "v3") {
                    // Try each set of parameters from config
                    foreach ($config['snmp']['v3'] as $v3) {
                        $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
                        if ($quiet == '0') {
                            print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
                        }
                        if ($force_add == 1 || isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (empty($snmphost) or $snmphost == $host || ($hostshort = $host)) {
                                $device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3, $poller_group);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}");
                            }
                        }
                    }
                } elseif ($snmpver === "v2c" or $snmpver === "v1") {
                    // try each community from config
                    foreach ($config['snmp']['community'] as $community) {
                        $device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
                        if ($quiet == '0') {
                            print_message("Trying community {$community} ...");
                        }
                        if ($force_add == 1 || isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (empty($snmphost) || $snmphost && ($snmphost == $host || ($hostshort = $host))) {
                                $device_id = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on community {$community} using {$snmpver}");
                            }
                        }
                    }
                } else {
                    if ($quiet == '0') {
                        print_error("Unsupported SNMP Version \"{$snmpver}\".");
                    }
                }
                if (!$device_id) {
                    // Failed SNMP
                    if ($quiet == '0') {
                        print_error("Could not reach {$host} with given SNMP community using {$snmpver}");
                    }
                }
            } else {
                // failed Reachability
                if ($quiet == '0') {
                    print_error("Could not ping {$host}");
                }
            }
        } else {
            if ($quiet == 0) {
                print_error("Already have host with this IP {$host}");
            }
        }
    } else {
        // found in database
        if ($quiet == '0') {
            print_error("Already got host {$host}");
        }
    }
    return 0;
}
function add_device($hostname, $snmp_version = array(), $snmp_port = 161, $snmp_transport = 'udp', $options = array())
{
    global $config;
    // If $options['break'] set as TRUE, break recursive function execute
    if (isset($options['break']) && $options['break']) {
        return FALSE;
    }
    $return = FALSE;
    // By default return FALSE
    // Reset snmp timeout and retries options for speedup device adding
    unset($config['snmp']['timeout'], $config['snmp']['retries']);
    $hostname = trim($hostname);
    list($hostshort) = explode(".", $hostname);
    // Test if host exists in database
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($hostname)) == '0') {
        $snmp_transport = strtolower($snmp_transport);
        $try_a = !($snmp_transport == 'udp6' || $snmp_transport == 'tcp6');
        // Use IPv6 only if transport 'udp6' or 'tcp6'
        // Test DNS lookup.
        $ip = gethostbyname6($hostname, $try_a);
        if ($ip) {
            $ip_version = get_ip_version($ip);
            // Test reachability
            if (isPingable($hostname, $try_a)) {
                // Test directory exists in /rrd/
                if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $hostname)) {
                    print_error("Directory <observium>/rrd/{$hostname} already exists.");
                    return FALSE;
                }
                // Detect snmp transport
                if (stripos($snmp_transport, 'tcp') !== FALSE) {
                    $snmp_transport = $ip_version == 4 ? 'tcp' : 'tcp6';
                } else {
                    $snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
                }
                // Detect snmp port
                if (!is_numeric($snmp_port) || $snmp_port < 1 || $snmp_port > 65535) {
                    $snmp_port = 161;
                } else {
                    $snmp_port = (int) $snmp_port;
                }
                // Detect snmp version
                if (empty($snmp_version)) {
                    // Here set default snmp version order
                    $i = 1;
                    $snmp_version_order = array();
                    foreach (array('v2c', 'v3', 'v1') as $tmp_version) {
                        if ($config['snmp']['version'] == $tmp_version) {
                            $snmp_version_order[0] = $tmp_version;
                        } else {
                            $snmp_version_order[$i] = $tmp_version;
                        }
                        $i++;
                    }
                    ksort($snmp_version_order);
                    foreach ($snmp_version_order as $tmp_version) {
                        $ret = add_device($hostname, $tmp_version, $snmp_port, $snmp_transport, $options);
                        if ($ret === FALSE) {
                            // Set $options['break'] for break recursive
                            $options['break'] = TRUE;
                        } else {
                            if (is_numeric($ret) && $ret != 0) {
                                return $ret;
                            }
                        }
                    }
                } else {
                    if ($snmp_version === "v3") {
                        // Try each set of parameters from config
                        foreach ($config['snmp']['v3'] as $snmp_v3) {
                            $device = build_initial_device_array($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
                            print_message("Trying v3 parameters " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " ... ");
                            if (isSNMPable($device)) {
                                if (!check_device_duplicated($device)) {
                                    if (isset($options['test']) && $options['test']) {
                                        print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
                                        $device_id = -1;
                                    } else {
                                        $device_id = createHost($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
                                    }
                                    return $device_id;
                                }
                            } else {
                                print_warning("No reply on credentials " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " using {$snmp_version}.");
                            }
                        }
                    } else {
                        if ($snmp_version === "v2c" || $snmp_version === "v1") {
                            // Try each community from config
                            foreach ($config['snmp']['community'] as $snmp_community) {
                                $device = build_initial_device_array($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
                                print_message("Trying {$snmp_version} community {$snmp_community} ...");
                                if (isSNMPable($device)) {
                                    if (!check_device_duplicated($device)) {
                                        if (isset($options['test']) && $options['test']) {
                                            print_message('%W设备 "' . $hostname . '" 已成功地测试和可用于 ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
                                            $device_id = -1;
                                        } else {
                                            $device_id = createHost($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
                                        }
                                        return $device_id;
                                    }
                                } else {
                                    print_warning("No reply on community {$snmp_community} using {$snmp_version}.");
                                    $return = 0;
                                    // Return zero for continue trying next auth
                                }
                            }
                        } else {
                            print_error("Unsupported SNMP Version \"{$snmp_version}\".");
                            $return = 0;
                            // Return zero for continue trying next auth
                        }
                    }
                }
                if (!$device_id) {
                    // Failed SNMP
                    print_error("无法到达主机 {$hostname} 使用给定的SNMP参数 {$snmp_version}.");
                    $return = 0;
                    // Return zero for continue trying next auth
                }
            } else {
                // failed Reachability
                print_error("无法 ping {$hostname}.");
            }
        } else {
            // Failed DNS lookup
            print_error("无法解析 {$hostname}.");
        }
    } else {
        // found in database
        print_error("已经发现设备 {$hostname}.");
    }
    return $return;
}
Ejemplo n.º 5
0
function add_device($host, $snmpver = array(), $port = 161, $transport = 'udp', $error = FALSE)
{
    global $config;
    // If $error set as TRUE break recursive function execute
    if ($error) {
        return FALSE;
    }
    // Reset snmp timeout and retries options for speedup device adding
    unset($config['snmp']['timeout'], $config['snmp']['retries']);
    $host = trim($host);
    list($hostshort) = explode(".", $host);
    // Test if host exists in database
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
        $transport = strtolower($transport);
        $try_a = !($transport == 'udp6' || $transport == 'tcp6');
        // Use IPv6 only if transport 'udp6' or 'tcp6'
        // Test DNS lookup.
        $ip = gethostbyname6($host, $try_a);
        if ($ip) {
            $ip_version = get_ip_version($ip);
            // Test reachability
            if (isPingable($host)) {
                // Test directory exists in /rrd/
                if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $host)) {
                    print_error("Directory <observium>/rrd/{$host} already exists.");
                    return FALSE;
                }
                // Detect snmp transport
                if (stripos($transport, 'tcp') !== FALSE) {
                    $transport = $ip_version == 4 ? 'tcp' : 'tcp6';
                } else {
                    $transport = $ip_version == 4 ? 'udp' : 'udp6';
                }
                // Detect snmp port
                if (!is_numeric($port) || $port < 1 || $port > 65535) {
                    $port = 161;
                } else {
                    $port = (int) $port;
                }
                // Detect snmp version
                if (empty($snmpver)) {
                    // Here set default snmp version order
                    $i = 1;
                    $snmpver_order = array();
                    foreach (array('v2c', 'v3', 'v1') as $snmpver) {
                        if ($config['snmp']['version'] == $snmpver) {
                            $snmpver_order[0] = $snmpver;
                        } else {
                            $snmpver_order[$i] = $snmpver;
                        }
                        $i++;
                    }
                    ksort($snmpver_order);
                    foreach ($snmpver_order as $snmpver) {
                        $ret = add_device($host, $snmpver, $port, $transport, $error);
                        if ($ret === FALSE) {
                            $error = TRUE;
                        } elseif (is_numeric($ret) && $ret > 0) {
                            return $ret;
                        }
                    }
                }
                if ($snmpver === "v3") {
                    // Try each set of parameters from config
                    foreach ($config['snmp']['v3'] as $v3) {
                        $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
                        print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
                        if (isSNMPable($device)) {
                            if (!check_device_duplicated($device)) {
                                $device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
                                return $device_id;
                            }
                        } else {
                            print_warning("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}.");
                        }
                    }
                } elseif ($snmpver === "v2c" || $snmpver === "v1") {
                    // Try each community from config
                    foreach ($config['snmp']['community'] as $community) {
                        $device = deviceArray($host, $community, $snmpver, $port, $transport);
                        print_message("Trying {$snmpver} community {$community} ...");
                        if (isSNMPable($device)) {
                            if (!check_device_duplicated($device)) {
                                $device_id = createHost($host, $community, $snmpver, $port, $transport);
                                return $device_id;
                            }
                        } else {
                            print_warning("No reply on community {$community} using {$snmpver}.");
                        }
                    }
                } else {
                    print_error("Unsupported SNMP Version \"{$snmpver}\".");
                }
                if (!$device_id) {
                    // Failed SNMP
                    print_error("Could not reach {$host} with given SNMP parameters using {$snmpver}.");
                }
            } else {
                // failed Reachability
                print_error("Could not ping {$host}.");
            }
        } else {
            // Failed DNS lookup
            print_error("Could not resolve {$host}.");
        }
    } else {
        // found in database
        print_error("Already got device {$host}.");
    }
    return FALSE;
}
Ejemplo n.º 6
0
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $snmp_port = 161)
{
    global $config;
    $source = strtolower($source);
    // Check if source is enabled for autodiscovery
    if ($config['autodiscovery'][$source]) {
        $flags = OBS_DNS_ALL;
        if (!$protocol) {
            $protocol = strtoupper($source);
        }
        print_cli_data("Try discovering host", "{$hostname} through {$protocol}", 3);
        // By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
        $ip_version = get_ip_version($hostname);
        if ($ip_version) {
            // Hostname is IPv4/IPv6
            $use_ip = TRUE;
            $ip = $hostname;
        } else {
            $use_ip = FALSE;
            // Add "mydomain" configuration if this resolves, converts switch1 -> switch1.mydomain.com
            if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'], $flags)) {
                $hostname .= '.' . $config['mydomain'];
            }
            // Determine v4 vs v6
            $ip = gethostbyname6($hostname, $flags);
            if ($ip) {
                $ip_version = get_ip_version($ip);
                print_debug("Host {$hostname} resolved as {$ip}");
            } else {
                // No DNS records
                print_debug("Host {$hostname} not resolved, autodiscovery fails.");
                return FALSE;
            }
        }
        if ($ip_version == 6) {
            $flags = $flags ^ OBS_DNS_A;
            // Exclude IPv4
        }
        if (isset($config['autodiscovery']['ping_skip']) && $config['autodiscovery']['ping_skip']) {
            $flags = $flags | OBS_PING_SKIP;
            // Add skip pings flag
        }
        if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
            print_debug("Host {$hostname} ({$ip}) founded inside configured nets, trying to add:");
            // By first check if pingable
            $pingable = isPingable($ip, $flags);
            if (!$pingable && (isset($config['autodiscovery']['ping_skip']) && $config['autodiscovery']['ping_skip'])) {
                $flags = $flags | OBS_PING_SKIP;
                // Add skip pings flag if allowed in config
                $pingable = TRUE;
            }
            if ($pingable) {
                // Check if device duplicated by IP
                $ip = $ip_version == 4 ? $ip : Net_IPv6::uncompress($ip, TRUE);
                $db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
                         LEFT JOIN `ports`   AS P ON A.`port_id`   = P.`port_id`
                         LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
                         WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
                if ($db) {
                    print_debug('Already have device ' . $db['hostname'] . " with IP {$ip}");
                    return FALSE;
                }
                // Detect snmp transport, net-snmp needs udp6 for ipv6
                $snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
                $new_device = detect_device_snmpauth($ip, $snmp_port, $snmp_transport);
                if ($new_device) {
                    if ($use_ip) {
                        // Detect FQDN hostname
                        // by sysName
                        $snmphost = snmp_get($new_device, 'sysName.0', '-Oqv', 'SNMPv2-MIB');
                        if ($snmphost) {
                            $snmp_ip = gethostbyname6($snmphost, $flags);
                        }
                        if ($snmp_ip == $ip) {
                            $hostname = $snmphost;
                        } else {
                            // by PTR
                            $ptr = gethostbyaddr6($ip);
                            if ($ptr) {
                                $ptr_ip = gethostbyname6($ptr, $flags);
                            }
                            if ($ptr && $ptr_ip == $ip) {
                                $hostname = $ptr;
                            } else {
                                if ($config['autodiscovery']['require_hostname']) {
                                    print_debug("Device IP {$ip} does not seem to have FQDN.");
                                    return FALSE;
                                } else {
                                    $hostname = $ip_version == 4 ? $ip : Net_IPv6::compress($hostname, TRUE);
                                    // Always use compressed IPv6 name
                                }
                            }
                        }
                        print_debug("Device IP {$ip} linked to FQDN name: {$hostname}");
                    }
                    $new_device['hostname'] = $hostname;
                    if (!check_device_duplicated($new_device)) {
                        $snmp_v3 = array();
                        if ($new_device['snmp_version'] === 'v3') {
                            $snmp_v3['snmp_authlevel'] = $new_device['snmp_authlevel'];
                            $snmp_v3['snmp_authname'] = $new_device['snmp_authname'];
                            $snmp_v3['snmp_authpass'] = $new_device['snmp_authpass'];
                            $snmp_v3['snmp_authalgo'] = $new_device['snmp_authalgo'];
                            $snmp_v3['snmp_cryptopass'] = $new_device['snmp_cryptopass'];
                            $snmp_v3['snmp_cryptoalgo'] = $new_device['snmp_cryptoalgo'];
                        }
                        $remote_device_id = createHost($new_device['hostname'], $new_device['snmp_community'], $new_device['snmp_version'], $new_device['snmp_port'], $new_device['snmp_transport'], $snmp_v3);
                        if ($remote_device_id) {
                            if (is_flag_set(OBS_PING_SKIP, $flags)) {
                                set_entity_attrib('device', $remote_device_id, 'ping_skip', 1);
                            }
                            $remote_device = device_by_id_cache($remote_device_id, 1);
                            if ($port) {
                                humanize_port($port);
                                log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['port_label'] . ")", $remote_device_id, 'port', $port['port_id']);
                            } else {
                                log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id, $protocol);
                            }
                            //array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
                            return $remote_device_id;
                        }
                    }
                }
            }
        } else {
            print_debug("IP {$ip} ({$hostname}) not permitted inside \$config['autodiscovery']['ip_nets'] in config.php");
        }
        print_debug('Autodiscovery for host ' . $hostname . ' failed.');
    } else {
        print_debug('Autodiscovery for protocol ' . $protocol . ' disabled.');
    }
    return FALSE;
}
Ejemplo n.º 7
0
$no_http_headers = true;
$community = "public";
#Show the host template using add_device
$hosttemplate = 17;
// Alcatel ISAM
$hostlist = 'devices.txt';
$localdomain = "telenor.dk";
#
$snmpqueryid = 48;
$snmpquerytype = 19;
$handle = fopen($hostlist, "r");
if ($handle) {
    while (($line = fgets($handle)) !== false) {
        $line = chop($line);
        print "[" . $line . "] \n";
        createHost($line);
    }
} else {
    die("Could not open file {$filename}!");
}
die;
function createHost($dev)
{
    global $community;
    global $hosttemplate;
    print "================== Creating DSLAM for {$dev} =======================\n";
    $ret = cmd("/usr/bin/php add_device.php --quiet --description='" . $dev . "' --ip='{$dev}.{$localdomain} --template={$hosttemplate} --community='" . $community . "' --avail=snmp");
    //Get host id from: [RET] Success - new device-id: (20)
    if (preg_match("/\\((\\d+)\\)/", $ret, $matches)) {
        $deviceID = $matches[1];
        print "Device ID: {$deviceID} \n";
Ejemplo n.º 8
0
<?php

header('Content-type: text/html; charset=ISO-8859-1');
// Allow access from anywhere. Can be domains or * (any)
header('Access-Control-Allow-Origin: *');
// Allow these methods of data retrieval
header('Access-Control-Allow-Methods: POST, GET, OPTIONS');
// Allow these header types
header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
include "fhost.php";
$codhost = $_GET["codhost"];
$tracking = $_GET["tracking"];
$preview = $_GET["preview"];
if (is_null($codhost)) {
    debugl("<h1>Informe um codigo de hostname</h1>");
    exit;
} else {
    /**
     * Cria o objeto de host com todos os valores possiveis.
     **/
    $identificador = generateID();
    $host = createHost($codhost);
    debugl("Grafico ID -> {$identificador}");
    debugl("Inseridos -> " . registraGeracaoHTML($identificador, $host));
    if (strcmp($preview, "true") == 0) {
        echo processaRelatorioHost($identificador, $host);
    }
    echo "<h2>Id Gerado: {$identificador}<h2>";
}
Ejemplo n.º 9
0
function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0')
{
    global $config;
    list($hostshort) = explode(".", $host);
    // Test Database Exists
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
        // Test if IP or Hostname
        if (!inet_pton($host)) {
            // Test reachability
            if (isPingable($host)) {
                $added = 0;
                if (empty($snmpver)) {
                    // Try SNMPv2c
                    $snmpver = 'v2c';
                    $ret = addHost($host, $snmpver);
                    if (!$ret) {
                        //Try SNMPv3
                        $snmpver = 'v3';
                        $ret = addHost($host, $snmpver);
                        if (!$ret) {
                            // Try SNMPv1
                            $snmpver = 'v1';
                            return addHost($host, $snmpver);
                        } else {
                            return $ret;
                        }
                    } else {
                        return $ret;
                    }
                }
                if ($snmpver === "v3") {
                    // Try each set of parameters from config
                    foreach ($config['snmp']['v3'] as $v3) {
                        $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
                        if ($quiet == '0') {
                            print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
                        }
                        if (isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (empty($snmphost) or $snmphost == $host || ($hostshort = $host)) {
                                $device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}");
                            }
                        }
                    }
                } elseif ($snmpver === "v2c" or $snmpver === "v1") {
                    // try each community from config
                    foreach ($config['snmp']['community'] as $community) {
                        $device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
                        if ($quiet == '0') {
                            print_message("Trying community {$community} ...");
                        }
                        if (isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if ($snmphost == "" || $snmphost && ($snmphost == $host || ($hostshort = $host))) {
                                $device_id = createHost($host, $community, $snmpver, $port, $transport);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on community {$community} using {$snmpver}");
                            }
                        }
                    }
                } else {
                    if ($quiet == '0') {
                        print_error("Unsupported SNMP Version \"{$snmpver}\".");
                    }
                }
                if (!$device_id) {
                    // Failed SNMP
                    if ($quiet == '0') {
                        print_error("Could not reach {$host} with given SNMP community using {$snmpver}");
                    }
                }
            } else {
                // failed Reachability
                if ($quiet == '0') {
                    print_error("Could not ping {$host}");
                }
            }
        } else {
            // Failed DNS lookup
            if ($quiet == '0') {
                print_error("{$host} looks like an IP address, please use FQDN");
            }
        }
    } else {
        // found in database
        if ($quiet == '0') {
            print_error("Already got host {$host}");
        }
    }
    return 0;
}
Ejemplo n.º 10
0
function addHost($host, $community, $snmpver, $port = 161)
{
    global $config;
    list($hostshort) = explode(".", $host);
    if (isDomainResolves($host)) {
        if (isPingable($host)) {
            if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '{$host}'"), 0) == '0') {
                $snmphost = shell_exec($config['snmpget'] . " -m SNMPv2-MIB -Oqv -{$snmpver} -c {$community} {$host}:{$port} sysName.0");
                if ($snmphost == $host || ($hostshort = $host)) {
                    createHost($host, $community, $snmpver, $port);
                } else {
                    echo "Given hostname does not match SNMP-read hostname!\n";
                }
            } else {
                echo "Already got host {$host}\n";
            }
        } else {
            echo "Could not ping {$host}\n";
        }
    } else {
        echo "Could not resolve {$host}\n";
    }
}
Ejemplo n.º 11
0
function add_device($host, $snmpver = array(), $port = '161', $transport = 'udp', $error = FALSE)
{
    global $config;
    // If $error set as TRUE break recursive function execute
    if ($error) {
        return FALSE;
    }
    // Reset snmp timeout and retries options for speedup device adding
    unset($config['snmp']['timeout'], $config['snmp']['retries']);
    list($hostshort) = explode(".", $host);
    // Test if host exists in database
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
        // Test DNS lookup.
        if (gethostbyname6($host, TRUE)) {
            // Test reachability
            if (isPingable($host)) {
                // Test directory exists in /rrd/
                if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $host)) {
                    print_error("目录 rrd/{$host} 已经存在.");
                    return FALSE;
                }
                if (empty($snmpver)) {
                    foreach (array('v2c', 'v3', 'v1') as $snmpver) {
                        // Try SNMP v2c, v3 and v1
                        $ret = add_device($host, $snmpver, $port, $transport, $error);
                        if ($ret === FALSE) {
                            $error = TRUE;
                        } elseif (is_numeric($ret) && $ret > 0) {
                            return $ret;
                        }
                    }
                }
                if ($snmpver === "v3") {
                    // Try each set of parameters from config
                    foreach ($config['snmp']['v3'] as $v3) {
                        $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
                        print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
                        if (isSNMPable($device)) {
                            if (!check_device_duplicated($device)) {
                                $device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3);
                                return $device_id;
                            }
                        } else {
                            print_warning("证书没有回应 " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}.");
                        }
                    }
                } elseif ($snmpver === "v2c" || $snmpver === "v1") {
                    // Try each community from config
                    foreach ($config['snmp']['community'] as $community) {
                        $device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
                        print_message("尝试 {$snmpver} community {$community} ...");
                        if (isSNMPable($device)) {
                            if (!check_device_duplicated($device)) {
                                $device_id = createHost($host, $community, $snmpver, $port, $transport);
                                return $device_id;
                            }
                        } else {
                            print_warning("Community 没有应答 {$community} 使用 {$snmpver}.");
                        }
                    }
                } else {
                    print_error("不支持的协议版本 \"{$snmpver}\".");
                }
                if (!$device_id) {
                    // Failed SNMP
                    print_error("不可到达的 {$host} 与给定 SNMP community 使用 {$snmpver}.");
                }
            } else {
                // failed Reachability
                print_error("无法 ping {$host}.");
            }
        } else {
            // Failed DNS lookup
            print_error("无法解析 {$host}.");
        }
    } else {
        // found in database
        print_error("已有设备 {$host}.");
    }
    return FALSE;
}
Ejemplo n.º 12
0
 } else {
     $port = 161;
 }
 if (!$snmpver) {
     $snmpver = "v2c";
 }
 if (!$community) {
     $community = $config['community'];
 }
 list($hostshort) = explode(".", $host);
 if (isDomainResolves($argv[1])) {
     if (isPingable($argv[1])) {
         if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '" . mres($host) . "'"), 0) == '0') {
             $snmphost = trim(str_replace("\"", "", shell_exec($config['snmpget'] . " -m SNMPv2-MIB -Oqv -{$snmpver} -c {$community} {$host}:{$port} sysName.0")));
             if ($snmphost && ($snmphost == $host || ($hostshort = $host))) {
                 $return = createHost($host, $community, $snmpver, $port);
                 if ($return) {
                     echo $return . "\n";
                 } else {
                     echo "Adding {$host} failed\n";
                 }
             } else {
                 echo "Given hostname does not match SNMP-read hostname!\n";
             }
         } else {
             echo "Already got host {$host}\n";
         }
     } else {
         echo "Could not ping {$host}\n";
     }
 } else {
Ejemplo n.º 13
0
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $port = 161)
{
    global $config;
    $source = strtolower($source);
    if ($config['autodiscovery'][$source]) {
        if (!$protocol) {
            $protocol = strtoupper($source);
        }
        print_message("Discovering new host {$hostname} through {$protocol}");
        // By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
        $ip_version = get_ip_version($hostname);
        if ($ip_version) {
            // Hostname is IPv4/IPv6
            $use_ip = TRUE;
        } else {
            $use_ip = FALSE;
            if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'])) {
                $hostname .= '.' . $config['mydomain'];
            }
            $ip = gethostbyname6($hostname);
            if ($ip) {
                $ip_version = get_ip_version($ip);
                print_debug("Host {$hostname} resolved as {$ip}");
            } else {
                // No DNS records
                print_debug("Host {$hostname} not resolved, autodiscovery fails.");
                return FALSE;
            }
        }
        if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
            print_debug("Host {$hostname} ({$ip}) founded inside configured nets, try to adding:");
            if (isPingable($ip)) {
                // Check if device duplicated by IP
                $ip = $ip_version == 4 ? $hostname : Net_IPv6::uncompress($hostname, TRUE);
                $db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
                         LEFT JOIN `ports`   AS P ON A.`port_id`   = P.`port_id`
                         LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
                         WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
                if ($db) {
                    print_debug('Already have device ' . $db['hostname'] . " with {$ip}");
                    return FALSE;
                }
                // Detect snmp transport
                $transport = $ip_version == 4 ? 'udp' : 'udp6';
                $new_device = detect_device_snmpauth($ip, $port, $transport);
                if ($new_device) {
                    if ($use_ip) {
                        // Detect FQDN hostname
                        // by sysName
                        $snmphost = snmp_get($new_device, "sysName.0", "-Oqv", "SNMPv2-MIB", mib_dirs());
                        if ($snmphost) {
                            $snmp_ip = gethostbyname6($snmphost);
                        }
                        if ($snmp_ip == $ip) {
                            $hostname = $snmphost;
                        } else {
                            // by PTR
                            $ptr = gethostbyaddr6($ip);
                            if ($ptr) {
                                $ptr_ip = gethostbyname6($ptr);
                            }
                            if ($ptr && $ptr_ip == $ip) {
                                $hostname = $ptr;
                            } else {
                                print_debug("Device IP {$ip} not have FQDN name");
                                return FALSE;
                            }
                        }
                        print_debug("Device IP {$ip} founded FQDN name: {$hostname}");
                    }
                    $new_device['hostname'] = $hostname;
                    if (!check_device_duplicated($new_device)) {
                        $v3 = array();
                        if ($new_device['snmpver'] === 'v3') {
                            $v3['authlevel'] = $new_device['authlevel'];
                            $v3['authname'] = $new_device['authname'];
                            $v3['authpass'] = $new_device['authpass'];
                            $v3['authalgo'] = $new_device['authalgo'];
                            $v3['cryptopass'] = $new_device['cryptopass'];
                            $v3['cryptoalgo'] = $new_device['cryptoalgo'];
                        }
                        $remote_device_id = createHost($new_device['hostname'], $new_device['community'], $new_device['snmpver'], $new_device['port'], $new_device['transport'], $v3);
                        if ($remote_device_id) {
                            $remote_device = device_by_id_cache($remote_device_id, 1);
                            if ($port) {
                                humanize_port($port);
                                log_event("Device autodiscovered through {$protocol} on " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'port', $port['port_id']);
                            } else {
                                log_event("Device autodiscovered through {$protocol} on " . $device['hostname'], $remote_device_id, $protocol);
                            }
                            //array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
                            return $remote_device_id;
                        }
                    }
                }
            }
        } else {
            print_debug("IP {$ip} ({$hostname}) not permitted inside \$config['autodiscovery']['ip_nets'] in config.php");
        }
        print_debug('Autodiscovery for host ' . $hostname . ' fails.');
    } else {
        print_debug('Autodiscovery for protocol ' . $protocol . ' disabled.');
    }
    return FALSE;
}
Ejemplo n.º 14
0
/**
 * Add a device to LibreNMS
 *
 * @param string $host dns name or ip address
 * @param string $snmp_version If this is empty, try v2c,v3,v1.  Otherwise, use this specific version.
 * @param string $port the port to connect to for snmp
 * @param string $transport udp or tcp
 * @param string $poller_group the poller group this device will belong to
 * @param boolean $force_add add even if the device isn't reachable
 * @param string $port_assoc_mode snmp field to use to determine unique ports
 *
 * @return int returns the device_id of the added device
 *
 * @throws HostExistsException This hostname already exists
 * @throws HostIpExistsException We already have a host with this IP
 * @throws HostUnreachableException We could not reach this device is some way
 * @throws HostUnreachablePingException We could not ping the device
 * @throws InvalidPortAssocModeException The given port association mode was invalid
 * @throws SnmpVersionUnsupportedException The given snmp version was invalid
 */
function addHost($host, $snmp_version = '', $port = '161', $transport = 'udp', $poller_group = '0', $force_add = false, $port_assoc_mode = 'ifIndex')
{
    global $config;
    // Test Database Exists
    if (host_exists($host) === true) {
        throw new HostExistsException("Already have host {$host}");
    }
    // Valid port assoc mode
    if (!is_valid_port_assoc_mode($port_assoc_mode)) {
        throw new InvalidPortAssocModeException("Invalid port association_mode '{$port_assoc_mode}'. Valid modes are: " . join(', ', get_port_assoc_modes()));
    }
    // check if we have the host by IP
    if ($config['addhost_alwayscheckip'] === true) {
        $ip = gethostbyname($host);
    } else {
        $ip = $host;
    }
    if (ip_exists($ip)) {
        throw new HostIpExistsException("Already have host with this IP {$host}");
    }
    // Test reachability
    if (!$force_add) {
        $address_family = snmpTransportToAddressFamily($transport);
        $ping_result = isPingable($host, $address_family);
        if (!$ping_result['result']) {
            throw new HostUnreachablePingException("Could not ping {$host}");
        }
    }
    // if $snmpver isn't set, try each version of snmp
    if (empty($snmp_version)) {
        $snmpvers = array('v2c', 'v3', 'v1');
    } else {
        $snmpvers = array($snmp_version);
    }
    $host_unreachable_exception = new HostUnreachableException("Could not connect, please check the snmp details and snmp reachability");
    // try different snmp variables to add the device
    foreach ($snmpvers as $snmpver) {
        if ($snmpver === "v3") {
            // Try each set of parameters from config
            foreach ($config['snmp']['v3'] as $v3) {
                $device = deviceArray($host, null, $snmpver, $port, $transport, $v3, $port_assoc_mode);
                if ($force_add === true || isSNMPable($device)) {
                    if ($force_add !== true) {
                        $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                    }
                    $result = createHost($host, null, $snmpver, $port, $transport, $v3, $poller_group, $port_assoc_mode, $snmphost, $force_add);
                    if ($result !== false) {
                        return $result;
                    }
                } else {
                    $host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with credentials " . $v3['authname'] . "/" . $v3['authlevel']);
                }
            }
        } elseif ($snmpver === "v2c" || $snmpver === "v1") {
            // try each community from config
            foreach ($config['snmp']['community'] as $community) {
                $device = deviceArray($host, $community, $snmpver, $port, $transport, null, $port_assoc_mode);
                if ($force_add === true || isSNMPable($device)) {
                    if ($force_add !== true) {
                        $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                    }
                    $result = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group, $port_assoc_mode, $snmphost, $force_add);
                    if ($result !== false) {
                        return $result;
                    }
                } else {
                    $host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with community {$community}");
                }
            }
        } else {
            throw new SnmpVersionUnsupportedException("Unsupported SNMP Version \"{$snmpver}\", must be v1, v2c, or v3");
        }
    }
    throw $host_unreachable_exception;
}
Ejemplo n.º 15
0
function add_device($hostname, $snmp_version = array(), $snmp_port = 161, $snmp_transport = 'udp', $options = array(), $flags = OBS_DNS_ALL)
{
    global $config;
    // If $options['break'] set as TRUE, break recursive function execute
    if (isset($options['break']) && $options['break']) {
        return FALSE;
    }
    $return = FALSE;
    // By default return FALSE
    // Reset snmp timeout and retries options for speedup device adding
    unset($config['snmp']['timeout'], $config['snmp']['retries']);
    $snmp_transport = strtolower($snmp_transport);
    $hostname = strtolower(trim($hostname));
    // Try detect if hostname is IP
    switch (get_ip_version($hostname)) {
        case 6:
            $hostname = Net_IPv6::compress($hostname, TRUE);
            // Always use compressed IPv6 name
        // Always use compressed IPv6 name
        case 4:
            if ($config['require_hostname']) {
                print_error("Hostname should be a valid resolvable FQDN name. Or set config option \$config['require_hostname'] as FALSE.");
                return $return;
            }
            $ip = $hostname;
            break;
        default:
            if ($snmp_transport == 'udp6' || $snmp_transport == 'tcp6') {
                $flags = $flags ^ OBS_DNS_A;
                // exclude A
            }
            // Test DNS lookup.
            $ip = gethostbyname6($hostname, $flags);
    }
    // Test if host exists in database
    if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($hostname)) == '0') {
        if ($ip) {
            $ip_version = get_ip_version($ip);
            // Test reachability
            $options['ping_skip'] = isset($options['ping_skip']) && $options['ping_skip'];
            if ($options['ping_skip']) {
                $flags = $flags | OBS_PING_SKIP;
            }
            if (isPingable($hostname, $flags)) {
                // Test directory exists in /rrd/
                if (!$config['rrd_override'] && file_exists($config['rrd_dir'] . '/' . $hostname)) {
                    print_error("Directory <observium>/rrd/{$hostname} already exists.");
                    return FALSE;
                }
                // Detect snmp transport
                if (stripos($snmp_transport, 'tcp') !== FALSE) {
                    $snmp_transport = $ip_version == 4 ? 'tcp' : 'tcp6';
                } else {
                    $snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
                }
                // Detect snmp port
                if (!is_numeric($snmp_port) || $snmp_port < 1 || $snmp_port > 65535) {
                    $snmp_port = 161;
                } else {
                    $snmp_port = (int) $snmp_port;
                }
                // Detect snmp version
                if (empty($snmp_version)) {
                    // Here set default snmp version order
                    $i = 1;
                    $snmp_version_order = array();
                    foreach (array('v2c', 'v3', 'v1') as $tmp_version) {
                        if ($config['snmp']['version'] == $tmp_version) {
                            $snmp_version_order[0] = $tmp_version;
                        } else {
                            $snmp_version_order[$i] = $tmp_version;
                        }
                        $i++;
                    }
                    ksort($snmp_version_order);
                    foreach ($snmp_version_order as $tmp_version) {
                        $ret = add_device($hostname, $tmp_version, $snmp_port, $snmp_transport, $options);
                        if ($ret === FALSE) {
                            // Set $options['break'] for break recursive
                            $options['break'] = TRUE;
                        } else {
                            if (is_numeric($ret) && $ret != 0) {
                                return $ret;
                            }
                        }
                    }
                } else {
                    if ($snmp_version === "v3") {
                        // Try each set of parameters from config
                        foreach ($config['snmp']['v3'] as $snmp_v3) {
                            $device = build_initial_device_array($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
                            print_message("Trying v3 parameters " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " ... ");
                            if (isSNMPable($device)) {
                                if (!check_device_duplicated($device)) {
                                    if (isset($options['test']) && $options['test']) {
                                        print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
                                        $device_id = -1;
                                    } else {
                                        $device_id = createHost($hostname, NULL, $snmp_version, $snmp_port, $snmp_transport, $snmp_v3);
                                        if ($options['ping_skip']) {
                                            set_entity_attrib('device', $device_id, 'ping_skip', 1);
                                            // Force pingable check
                                            if (isPingable($hostname, $flags ^ OBS_PING_SKIP)) {
                                                print_warning("You passed option for skip device is pingable checks, but device available by ismp echo. Check device preferences.");
                                            }
                                        }
                                    }
                                    return $device_id;
                                }
                            } else {
                                print_warning("No reply on credentials " . $device['snmp_authname'] . "/" . $device['snmp_authlevel'] . " using {$snmp_version}.");
                            }
                        }
                    } else {
                        if ($snmp_version === "v2c" || $snmp_version === "v1") {
                            // Try each community from config
                            foreach ($config['snmp']['community'] as $snmp_community) {
                                $device = build_initial_device_array($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
                                print_message("Trying {$snmp_version} community {$snmp_community} ...");
                                if (isSNMPable($device)) {
                                    if (!check_device_duplicated($device)) {
                                        if (isset($options['test']) && $options['test']) {
                                            print_message('%WDevice "' . $hostname . '" has successfully been tested and available by ' . strtoupper($snmp_transport) . ' transport with SNMP ' . $snmp_version . ' credentials.%n', 'color');
                                            $device_id = -1;
                                        } else {
                                            $device_id = createHost($hostname, $snmp_community, $snmp_version, $snmp_port, $snmp_transport);
                                            if ($options['ping_skip']) {
                                                set_entity_attrib('device', $device_id, 'ping_skip', 1);
                                                // Force pingable check
                                                if (isPingable($hostname, $flags ^ OBS_PING_SKIP)) {
                                                    print_warning("You passed option for skip device is pingable checks, but device available by ismp echo. Check device preferences.");
                                                }
                                            }
                                        }
                                        return $device_id;
                                    }
                                } else {
                                    print_warning("No reply on community {$snmp_community} using {$snmp_version}.");
                                    $return = 0;
                                    // Return zero for continue trying next auth
                                }
                            }
                        } else {
                            print_error("Unsupported SNMP Version \"{$snmp_version}\".");
                            $return = 0;
                            // Return zero for continue trying next auth
                        }
                    }
                }
                if (!$device_id) {
                    // Failed SNMP
                    print_error("Could not reach {$hostname} with given SNMP parameters using {$snmp_version}.");
                    $return = 0;
                    // Return zero for continue trying next auth
                }
            } else {
                // failed Reachability
                print_error("Could not ping {$hostname}.");
            }
        } else {
            // Failed DNS lookup
            print_error("Could not resolve {$hostname}.");
        }
    } else {
        // found in database
        print_error("Already got device {$hostname}.");
    }
    return $return;
}
function discover_new_device($hostname, $source = 'xdp', $protocol = NULL, $device = NULL, $snmp_port = 161)
{
    global $config;
    $source = strtolower($source);
    if ($config['autodiscovery'][$source]) {
        if (!$protocol) {
            $protocol = strtoupper($source);
        }
        print_message("发现新主机 {$hostname} 通过 {$protocol}");
        // By first detect hostname is IP or domain name (IPv4/6 == 4/6, hostname == FALSE)
        $ip_version = get_ip_version($hostname);
        if ($ip_version) {
            // Hostname is IPv4/IPv6
            $use_ip = TRUE;
            $ip = $hostname;
        } else {
            $use_ip = FALSE;
            if (!empty($config['mydomain']) && isDomainResolves($hostname . '.' . $config['mydomain'])) {
                $hostname .= '.' . $config['mydomain'];
            }
            $ip = gethostbyname6($hostname);
            if ($ip) {
                $ip_version = get_ip_version($ip);
                print_debug("主机 {$hostname} 解析为 {$ip}");
            } else {
                // No DNS records
                print_debug("主机 {$hostname} 无法解析, 自动发现失败.");
                return FALSE;
            }
        }
        if (match_network($ip, $config['autodiscovery']['ip_nets'])) {
            print_debug("主机 {$hostname} ({$ip}) 内部网络创建配置, 尝试增加:");
            if (isPingable($ip)) {
                // Check if device duplicated by IP
                $ip = $ip_version == 4 ? $ip : Net_IPv6::uncompress($ip, TRUE);
                $db = dbFetchRow('SELECT D.`hostname` FROM ipv' . $ip_version . '_addresses AS A
                         LEFT JOIN `ports`   AS P ON A.`port_id`   = P.`port_id`
                         LEFT JOIN `devices` AS D ON D.`device_id` = P.`device_id`
                         WHERE D.`disabled` = 0 AND A.`ipv' . $ip_version . '_address` = ?', array($ip));
                if ($db) {
                    print_debug('已经有设备 ' . $db['hostname'] . " 包含 {$ip}");
                    return FALSE;
                }
                // Detect snmp transport
                $snmp_transport = $ip_version == 4 ? 'udp' : 'udp6';
                $new_device = detect_device_snmpauth($ip, $snmp_port, $snmp_transport);
                if ($new_device) {
                    if ($use_ip) {
                        // Detect FQDN hostname
                        // by sysName
                        $snmphost = snmp_get($new_device, "sysName.0", "-Oqv", "SNMPv2-MIB", mib_dirs());
                        if ($snmphost) {
                            $snmp_ip = gethostbyname6($snmphost);
                        }
                        if ($snmp_ip == $ip) {
                            $hostname = $snmphost;
                        } else {
                            // by PTR
                            $ptr = gethostbyaddr6($ip);
                            if ($ptr) {
                                $ptr_ip = gethostbyname6($ptr);
                            }
                            if ($ptr && $ptr_ip == $ip) {
                                $hostname = $ptr;
                            } else {
                                print_debug("设备 IP {$ip} 没有 FQDN 名称");
                                return FALSE;
                            }
                        }
                        print_debug("设备 IP {$ip} 发现 FQDN 名称: {$hostname}");
                    }
                    $new_device['hostname'] = $hostname;
                    if (!check_device_duplicated($new_device)) {
                        $snmp_v3 = array();
                        if ($new_device['snmp_version'] === 'v3') {
                            $snmp_v3['snmp_authlevel'] = $new_device['snmp_authlevel'];
                            $snmp_v3['snmp_authname'] = $new_device['snmp_authname'];
                            $snmp_v3['snmp_authpass'] = $new_device['snmp_authpass'];
                            $snmp_v3['snmp_authalgo'] = $new_device['snmp_authalgo'];
                            $snmp_v3['snmp_cryptopass'] = $new_device['snmp_cryptopass'];
                            $snmp_v3['snmp_cryptoalgo'] = $new_device['snmp_cryptoalgo'];
                        }
                        $remote_device_id = createHost($new_device['hostname'], $new_device['snmp_community'], $new_device['snmp_version'], $new_device['snmp_port'], $new_device['snmp_transport'], $snmp_v3);
                        if ($remote_device_id) {
                            $remote_device = device_by_id_cache($remote_device_id, 1);
                            if ($port) {
                                humanize_port($port);
                                log_event("设备自动发现通过 {$protocol} 在 " . $device['hostname'] . " (port " . $port['label'] . ")", $remote_device_id, 'port', $port['port_id']);
                            } else {
                                log_event("设备自动发现通过 {$protocol} 在 " . $device['hostname'], $remote_device_id, $protocol);
                            }
                            //array_push($GLOBALS['devices'], $remote_device); // createHost() already puth this
                            return $remote_device_id;
                        }
                    }
                }
            }
        } else {
            print_debug("IP {$ip} ({$hostname}) 不允许内部 \$config['autodiscovery']['ip_nets'] 位于 config.php");
        }
        print_debug('自动发现主机 ' . $hostname . ' 错误.');
    } else {
        print_debug('自动发现协议 ' . $protocol . ' 禁用.');
    }
    return FALSE;
}