function isDomainResolves($hostname)
{
return TRUE && gethostbyname6($hostname);
}
}
if ($_GET['query'] && $_GET['cmd']) {
$host = $_GET['query'];
$ip = '';
if (Net_IPv4::validateIP($host)) {
$ip = $host;
$ip_version = 4;
} elseif (Net_IPv6::checkIPv6($host)) {
$ip = $host;
$ip_version = 6;
} else {
$ip = gethostbyname($host);
if ($ip && $ip != $host) {
$ip_version = 4;
} else {
$ip = gethostbyname6($host, FALSE);
if ($ip) {
$ip_version = 6;
}
}
}
if ($ip) {
switch ($_GET['cmd']) {
case 'whois':
$cmd = $config['whois'] . " {$ip} | grep -v \\%";
break;
case 'ping':
$cmd = $ip_version == 4 ? $config['fping'] : $config['fping6'];
$cmd .= " -c 5 {$ip}";
break;
case 'tracert':
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 ' . $protocol . ' disabled.');
}
return FALSE;
}
/**
*
* It's fully BOOLEAN safe function.
*
*/
function isPingable($hostname)
{
global $config;
$timeout = isset($config['ping']['timeout']) ? (int) $config['ping']['timeout'] : 500;
if ($timeout < 50) {
$timeout = 50;
} elseif ($timeout > 2000) {
$timeout = 2000;
}
$retries = isset($config['ping']['retries']) ? (int) $config['ping']['retries'] : 3;
if ($retries < 1) {
$retries = 1;
} elseif ($retries > 10) {
$retries = 10;
}
$sleep = floor(1000000 / $retries);
// interval between retries, max 1 sec
//$ping_debug = TRUE; $file = '/tmp/pings_debug.log'; $time = date('Y-m-d H:i:s', time()); /// Uncomment this line for DEBUG isPingable()
// Forced check for actual IPv4 address
if (Net_IPv4::validateIP($hostname)) {
$cmd = $config['fping'] . " -t {$timeout} -c 1 -q {$hostname} 2>&1";
} elseif (Net_IPv6::checkIPv6($hostname)) {
$cmd = $config['fping6'] . " -t {$timeout} -c 1 -q {$hostname} 2>&1";
} else {
// First try IPv4
$ip = gethostbyname($hostname);
if ($ip && $ip != $hostname) {
$cmd = $config['fping'] . " -t {$timeout} -c 1 -q {$ip} 2>&1";
} else {
$ip = gethostbyname6($hostname);
// Second try IPv6
if ($ip) {
$cmd = $config['fping6'] . " -t {$timeout} -c 1 -q {$ip} 2>&1";
} else {
// No DNS records
if ($ping_debug) {
file_put_contents($file, "{$time} | DNS ERROR: {$hostname} | NO DNS record found" . PHP_EOL, FILE_APPEND);
}
return 0;
}
}
}
for ($i = 1; $i <= $retries; $i++) {
exec($cmd, $output, $return);
if ($return === 0) {
// normal $output[0] = '8.8.8.8 : xmt/rcv/%loss = 1/1/0%, min/avg/max = 1.21/1.21/1.21'
$tmp = explode('/', $output[0]);
$ping = $tmp[7];
/// FIXME. Mike: I do not know, maybe it is, but just in case the protection from zero.
if (!$ping) {
$ping = 0.01;
}
} else {
$ping = 0;
}
if ($ping) {
break;
}
if ($ping_debug) {
file_put_contents($file, "{$time} | PING ERROR: {$hostname} ({$i}) | FPING OUT: " . $output[0] . PHP_EOL, FILE_APPEND);
if ($i == $retries) {
$mtr = $config['mtr'] . " -r -n -c 5 {$ip}";
file_put_contents($file, "MTR OUT: " . `{$mtr}` . PHP_EOL, FILE_APPEND);
}
}
if ($i < $retries) {
usleep($sleep);
}
}
return $ping;
}
}
if ($_GET['query'] && $_GET['cmd']) {
$host = $_GET['query'];
$ip = '';
if (Net_IPv4::validateIP($host)) {
$ip = $host;
$ip_version = 4;
} elseif (Net_IPv6::checkIPv6($host)) {
$ip = $host;
$ip_version = 6;
} else {
$ip = gethostbyname($host);
if ($ip && $ip != $host) {
$ip_version = 4;
} else {
$ip = gethostbyname6($host);
if ($ip) {
$ip_version = 6;
}
}
}
if ($ip) {
switch ($_GET['cmd']) {
case 'whois':
$cmd = $config['whois'] . " {$ip} | grep -v \\%";
break;
case 'ping':
$cmd = $ip_version == 4 ? $config['fping'] : $config['fping6'];
$cmd .= " -c 5 {$ip}";
break;
case 'tracert':
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 ' . $protocol . ' disabled.');
}
return FALSE;
}
function isDomainResolves($hostname, $flags = OBS_DNS_ALL)
{
return TRUE && gethostbyname6($hostname, $flags);
}
function discover_new_device($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 ' . $protocol . ' 禁用.');
}
return FALSE;
}
if (!$address) {
if ($hostName) {
$address = gethostbyname($hostName);
}
if (!$hostName) {
if ($address) {
$hostName = gethostbyaddr($address);
} else {
if ($addressSix) {
$hostName = gethostbyaddr6($addressSix);
}
}
}
}
if (!$addressSix) {
$addressSix = gethostbyname6($hostName);
}
$oUser->addStatusMessage('HostName: ' . $hostName);
$oUser->addStatusMessage('Address: ' . $address);
$oUser->addStatusMessage('Address6: ' . $addressSix);
$host->setData(array($host->userColumn => $oUser->getUserID(), 'host_name' => $hostName, 'address' => $address, 'address6' => $addressSix, 'use' => 'generic-host', 'platform' => $platform, 'register' => true, 'generate' => TRUE, 'alias' => $hostName, 'active_checks_enabled' => 1, 'passive_checks_enabled' => 0));
if ($host_group) {
$hostgroup = new IEHostgroup($host_group);
$host->addMember('hostgroups', $hostgroup->getId(), $hostgroup->getName());
$hostgroup->addMember('members', $host->getId(), $host->getName());
$hostgroup->saveToMySQL();
}
if ($host->saveToMysql()) {
$service = new IEService('PING');
$service->addMember('host_name', $host->getId(), $host->getName());
$service->saveToMySQL();
<?php
$nameservers = explode('|', $_POST['nameservers']);
$hostname = $_POST['hostname'];
// Pass through the existing nameservers and try to find this one
$count = 0;
foreach ($nameservers as $nameserver) {
if (trim($nameserver) == trim($hostname)) {
$count++;
}
}
if ($count == 1) {
echo gethostbyname(trim($hostname));
} else {
if ($count == 2) {
echo gethostbyname6(trim($hostname), false);
} else {
echo "";
}
}
function gethostbyname6($host, $try_a = false)
{
// get AAAA record for $host
// if $try_a is true, if AAAA fails, it tries for A
// the first match found is returned
// otherwise returns false
$dns = gethostbynamel6($host, $try_a);
if ($dns == false) {
return "";
} else {
return $dns[0];
