';
} elseif ($config['os'][$type]['icon'] && file_exists($config['html_dir'] . "/images/os/". $config['os'][$type]['icon'] . ".gif"))
{
$image = '
';
} else {
if (file_exists($config['html_dir'] . "/images/os/$type" . ".png")) { $image = '
';
} elseif (file_exists($config['html_dir'] . "/images/os/$type" . ".gif")) { $image = '
'; }
if ($type == "linux")
{
$features = strtolower(trim($data['features']));
list($distro) = explode(" ", $features);
if (file_exists($config['html_dir'] . "/images/os/$distro" . ".png")) { $image = '
';
} elseif (file_exists($config['html_dir'] . "/images/os/$distro" . ".gif")) { $image = '
'; }
}
}
return $image;
}
function renamehost($id, $new, $source = 'console')
{
global $config;
$host = dbFetchCell("SELECT `hostname` FROM `devices` WHERE `device_id` = ?", array($id));
rename($config['rrd_dir']."/$host",$config['rrd_dir']."/$new");
$return = dbUpdate(array('hostname' => $new), 'devices', 'device_id=?', array($id));
log_event("Hostname changed -> $new ($source)", $id, 'system');
}
function delete_device($id)
{
global $config;
$host = dbFetchCell("SELECT hostname FROM devices WHERE device_id = ?", array($id));
foreach (dbFetch("SELECT * FROM `ports` WHERE `device_id` = ?", array($id)) as $int_data)
{
$int_if = $int_data['ifDescr'];
$int_id = $int_data['interface_id'];
delete_port($int_id);
$ret .= "Removed interface $int_id ($int_if)\n";
}
dbDelete('devices', "`device_id` = ?", array($id));
$device_tables = array('entPhysical', 'devices_attribs', 'devices_perms', 'bgpPeers', 'vlans', 'vrfs', 'storage', 'alerts', 'eventlog',
'syslog', 'ports', 'services', 'alerts', 'toner', 'frequency', 'current', 'sensors');
foreach ($device_tables as $table) {
dbDelete($table, "`device_id` = ?", array($id));
}
shell_exec("rm -rf ".trim($config['rrd_dir'])."/$host");
$ret = "Removed Device $host\n";
return $ret;
}
function addHost($host, $snmpver = 'v2c', $port = '161', $transport = 'udp')
{
global $config;
list($hostshort) = explode(".", $host);
/// Test Database Exists
if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0')
{
/// Test DNS lookup
if (gethostbyname($host) != $host)
{
/// Test reachability
if (isPingable($host))
{
$added = 0;
/// try each community from config
foreach ($config['snmp']['community'] as $community)
{
$device = deviceArray($host, $community, $snmpver, $port, $transport);
if (isSNMPable($device))
{
print_message("Trying community $community");
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if ($snmphost == "" || ($snmphost && ($snmphost == $host || $hostshort = $host)))
{
$device_id = createHost ($host, $community, $snmpver, $port, $transport);
return $device_id;
} else {
print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
}
} else {
print_error("No reply on community $community");
}
}
if (!$device_id)
{
/// Failed SNMP
print_error("Could not reach $host with given SNMP community");
}
} 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 host $host"); }
}
function scanUDP($host, $port, $timeout)
{
$handle = fsockopen($host, $port, $errno, $errstr, 2);
socket_set_timeout ($handle, $timeout);
$write = fwrite($handle,"\x00");
if (!$write) { next; }
$startTime = time();
$header = fread($handle, 1);
$endTime = time();
$timeDiff = $endTime - $startTime;
if ($timeDiff >= $timeout)
{
fclose($handle); return 1;
} else { fclose($handle); return 0; }
}
function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp')
{
$device = array();
$device['hostname'] = $host;
$device['port'] = $port;
$device['community'] = $community;
$device['snmpver'] = $snmpver;
$device['transport'] = $transport;
return $device;
}
function netmask2cidr($netmask)
{
$addr = Net_IPv4::parseAddress("1.2.3.4/$netmask");
return $addr->bitmask;
}
function cidr2netmask()
{
return (long2ip(ip2long("255.255.255.255") << (32-$netmask)));
}
function formatUptime($diff, $format="long")
{
$yearsDiff = floor($diff/31536000);
$diff -= $yearsDiff*31536000;
$daysDiff = floor($diff/86400);
$diff -= $daysDiff*86400;
$hrsDiff = floor($diff/60/60);
$diff -= $hrsDiff*60*60;
$minsDiff = floor($diff/60);
$diff -= $minsDiff*60;
$secsDiff = $diff;
$uptime = "";
if ($format == "short")
{
if ($yearsDiff > '0') { $uptime .= $yearsDiff . "y "; }
if ($daysDiff > '0') { $uptime .= $daysDiff . "d "; }
if ($hrsDiff > '0') { $uptime .= $hrsDiff . "h "; }
if ($minsDiff > '0') { $uptime .= $minsDiff . "m "; }
if ($secsDiff > '0') { $uptime .= $secsDiff . "s "; }
}
else
{
if ($yearsDiff > '0') { $uptime .= $yearsDiff . " years, "; }
if ($daysDiff > '0') { $uptime .= $daysDiff . " day" . ($daysDiff != 1 ? 's' : '') . ", "; }
if ($hrsDiff > '0') { $uptime .= $hrsDiff . "h "; }
if ($minsDiff > '0') { $uptime .= $minsDiff . "m "; }
if ($secsDiff > '0') { $uptime .= $secsDiff . "s "; }
}
return trim($uptime);
}
function isSNMPable($device)
{
global $config;
$pos = snmp_get($device, "sysObjectID.0", "-Oqv", "SNMPv2-MIB");
if ($pos === '' || $pos === false)
{
return false;
} else {
return true;
}
}
function isPingable($hostname)
{
global $config;
$status = shell_exec($config['fping'] . " $hostname 2>/dev/null");
if (strstr($status, "alive"))
{
return TRUE;
} else {
$status = shell_exec($config['fping6'] . " $hostname 2>/dev/null");
if (strstr($status, "alive"))
{
return TRUE;
} else {
return FALSE;
}
}
}
function is_odd($number)
{
return $number & 1; // 0 = even, 1 = odd
}
function utime()
{
$time = explode(" ", microtime());
$usec = (double)$time[0];
$sec = (double)$time[1];
return $sec + $usec;
}
function createHost($host, $community, $snmpver, $port = 161, $transport = 'udp')
{
$host = trim(strtolower($host));
$device = array('hostname' => $host,
'sysName' => $host,
'community' => $community,
'port' => $port,
'transport' => $transport,
'status' => '1',
'snmpver' => $snmpver);
$device['os'] = getHostOS($device);
if ($device['os'])
{
$device_id = dbInsert($device, 'devices');
if ($device_id)
{
return($device_id);
}
else
{
return FALSE;
}
}
else
{
return FALSE;
}
}
function isDomainResolves($domain)
{
return (gethostbyname($domain) != $domain || count(dns_get_record($domain)) != 0);
}
function hoststatus($id)
{
return dbFetchCell("SELECT `status` FROM `devices` WHERE `device_id` = ?", array($id));
}
function match_network($nets, $ip, $first=false)
{
$return = false;
if (!is_array ($nets)) $nets = array ($nets);
foreach ($nets as $net)
{
$rev = (preg_match ("/^\!/", $net)) ? true : false;
$net = preg_replace ("/^\!/", "", $net);
$ip_arr = explode('/', $net);
$net_long = ip2long($ip_arr[0]);
$x = ip2long($ip_arr[1]);
$mask = long2ip($x) == $ip_arr[1] ? $x : 0xffffffff << (32 - $ip_arr[1]);
$ip_long = ip2long($ip);
if ($rev)
{
if (($ip_long & $mask) == ($net_long & $mask)) return false;
} else {
if (($ip_long & $mask) == ($net_long & $mask)) $return = true;
if ($first && $return) return true;
}
}
return $return;
}
function snmp2ipv6($ipv6_snmp)
{
$ipv6 = explode('.',$ipv6_snmp);
# Workaround stupid Microsoft bug in Windows 2008 -- this is fixed length!
# < fenestro> "because whoever implemented this mib for Microsoft was ignorant of RFC 2578 section 7.7 (2)"
if (count($ipv6) == 17 && $ipv6[0] == 16)
{
array_shift($ipv6);
}
for ($i = 0;$i <= 15;$i++) { $ipv6[$i] = zeropad(dechex($ipv6[$i])); }
for ($i = 0;$i <= 15;$i+=2) { $ipv6_2[] = $ipv6[$i] . $ipv6[$i+1]; }
return implode(':',$ipv6_2);
}
function ipv62snmp($ipv6)
{
$ipv6_ex = explode(':',Net_IPv6::uncompress($ipv6));
for ($i = 0;$i < 8;$i++) { $ipv6_ex[$i] = zeropad($ipv6_ex[$i],4); }
$ipv6_ip = implode('',$ipv6_ex);
for ($i = 0;$i < 32;$i+=2) $ipv6_split[] = hexdec(substr($ipv6_ip,$i,2));
return implode('.',$ipv6_split);
}
function get_astext($asn)
{
global $config,$cache;
if (isset($config['astext'][$asn]))
{
return $config['astext'][$asn];
}
else
{
if (isset($cache['astext'][$asn]))
{
return $cache['astext'][$asn];
}
else
{
$result = dns_get_record("AS$asn.asn.cymru.com",DNS_TXT);
$txt = explode('|',$result[0]['txt']);
$result = trim(str_replace('"', '', $txt[4]));
$cache['astext'][$asn] = $result;
return $result;
}
}
}
# Use this function to write to the eventlog table
function log_event($text, $device = NULL, $type = NULL, $reference = NULL)
{
global $debug;
if (!is_array($device)) { $device = device_by_id_cache($device); }
$insert = array('host' => ($device['device_id'] ? $device['device_id'] : "NULL"),
'reference' => ($reference ? $reference : "NULL"),
'type' => ($type ? $type : "NULL"),
'datetime' => array("NOW()"),
'message' => $text);
dbInsert($insert, 'eventlog');
}
function notify($device,$title,$message)
{
global $config;
if ($config['alerts']['email']['enable'])
{
if (!get_dev_attrib($device,'disable_notify'))
{
if ($config['alerts']['email']['default_only'])
{
$email = $config['alerts']['email']['default'];
} else {
if (get_dev_attrib($device,'override_sysContact_bool'))
{
$email = get_dev_attrib($device,'override_sysContact_string');
}
elseif ($device['sysContact'])
{
$email = $device['sysContact'];
} else {
$email = $config['alerts']['email']['default'];
}
}
if ($email)
{
mail($email, $title, $message, $config['email_headers']);
}
}
}
}
function formatCiscoHardware(&$device, $short = false)
{
if ($device['os'] == "ios")
{
if ($device['hardware'])
{
if (preg_match("/^WS-C([A-Za-z0-9]+).*/", $device['hardware'], $matches))
{
if (!$short)
{
$device['hardware'] = "Cisco " . $matches[1] . " (" . $device['hardware'] . ")";
}
else
{
$device['hardware'] = "Cisco " . $matches[1];
}
}
elseif (preg_match("/^CISCO([0-9]+)$/", $device['hardware'], $matches))
{
$device['hardware'] = "Cisco " . $matches[1];
}
}
else
{
if (preg_match("/Cisco IOS Software, C([A-Za-z0-9]+) Software.*/", $device['sysDescr'], $matches))
{
$device['hardware'] = "Cisco " . $matches[1];
}
elseif (preg_match("/Cisco IOS Software, ([0-9]+) Software.*/", $device['sysDescr'], $matches))
{
$device['hardware'] = "Cisco " . $matches[1];
}
}
}
}
# from http://ditio.net/2008/11/04/php-string-to-hex-and-hex-to-string-functions/
function hex2str($hex)
{
$string='';
for ($i = 0; $i < strlen($hex)-1; $i+=2)
{
$string .= chr(hexdec($hex[$i].$hex[$i+1]));
}
return $string;
}
# Convert an SNMP hex string to regular string
function snmp_hexstring($hex)
{
return hex2str(str_replace(' ','',str_replace(' 00','',$hex)));
}
# Check if the supplied string is an SNMP hex string
function isHexString($str)
{
return preg_match("/^[a-f0-9][a-f0-9]( [a-f0-9][a-f0-9])*$/is",trim($str));
}
# Include all .inc.php files in $dir
function include_dir($dir, $regex = "")
{
global $device, $config, $debug, $valid;
if ($regex == "")
{
$regex = "/\.inc\.php$/";
}
if ($handle = opendir($config['install_dir'] . '/' . $dir))
{
while (false !== ($file = readdir($handle)))
{
if (filetype($config['install_dir'] . '/' . $dir . '/' . $file) == 'file' && preg_match($regex, $file))
{
if ($debug) { echo("Including: " . $config['install_dir'] . '/' . $dir . '/' . $file . "\n"); }
include($config['install_dir'] . '/' . $dir . '/' . $file);
}
}
closedir($handle);
}
}
function is_port_valid($port, $device)
{
global $config;
if (!strstr($port['ifDescr'], "irtual"))
{
$valid = 1;
$if = strtolower($port['ifDescr']);
foreach ($config['bad_if'] as $bi)
{
if (strstr($if, $bi))
{
$valid = 0;
if ($debug) { echo("ignored : $bi : $if"); }
}
}
if (is_array($config['bad_if_regexp']))
{
foreach ($config['bad_if_regexp'] as $bi)
{
if (preg_match($bi ."i", $if))
{
$valid = 0;
if ($debug) { echo("ignored : $bi : ".$if); }
}
}
}
if (empty($port['ifDescr'])) { $valid = 0; }
if ($device['os'] == "catos" && strstr($if, "vlan")) { $valid = 0; }
} else {
$valid = 0;
}
return $valid;
}
?>