mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
b3bd336515
git-svn-id: http://www.observium.org/svn/observer/trunk@2235 61d68cd4-352d-0410-923a-c4978735b2b8
624 lines
18 KiB
PHP
Executable File
624 lines
18 KiB
PHP
Executable File
<?php
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## Include from PEAR
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include_once("Net/IPv4.php");
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include_once("Net/IPv6.php");
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## Observium Includes
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include_once($config['install_dir'] . "/includes/common.php");
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include_once($config['install_dir'] . "/includes/rrdtool.inc.php");
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include_once($config['install_dir'] . "/includes/billing.php");
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include_once($config['install_dir'] . "/includes/cisco-entities.php");
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include_once($config['install_dir'] . "/includes/syslog.php");
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include_once($config['install_dir'] . "/includes/rewrites.php");
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include_once($config['install_dir'] . "/includes/snmp.inc.php");
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include_once($config['install_dir'] . "/includes/services.inc.php");
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function mac_clean_to_readable($mac)
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{
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$r = substr($mac, 0, 2);
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$r .= ":".substr($mac, 2, 2);
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$r .= ":".substr($mac, 4, 2);
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$r .= ":".substr($mac, 6, 2);
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$r .= ":".substr($mac, 8, 2);
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$r .= ":".substr($mac, 10, 2);
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return($r);
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}
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function only_alphanumeric($string)
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{
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return preg_replace('/[^a-zA-Z0-9]/', '', $string);
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}
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function logfile($string)
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{
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global $config;
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$fd = fopen($config['log_file'],'a');
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fputs($fd,$string . "\n");
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fclose($fd);
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}
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function shorthost($hostname, $len=16)
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{
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$parts = explode(".", $hostname);
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$shorthost = $parts[0];
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$i = 1;
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while ($i < count($parts) && strlen($shorthost.'.'.$parts[$i]) < $len)
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{
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$shorthost = $shorthost.'.'.$parts[$i];
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$i++;
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}
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return ($shorthost);
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}
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function device_array($device_id)
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{
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$sql = "SELECT * FROM `devices` WHERE `device_id` = '".$device_id."'";
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$query = mysql_query($sql);
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$device = mysql_fetch_assoc($query);
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return $device;
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}
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function getHostOS($device)
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{
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global $config, $debug;
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$sysDescr = snmp_get ($device, "SNMPv2-MIB::sysDescr.0", "-Ovq");
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$sysObjectId = snmp_get ($device, "SNMPv2-MIB::sysObjectID.0", "-Ovqn");
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if ($debug)
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{
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echo("| $sysDescr | $sysObjectId | ");
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}
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$dir_handle = @opendir($config['install_dir'] . "/includes/discovery/os") or die("Unable to open $path");
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while ($file = readdir($dir_handle))
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{
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if (preg_match("/.php$/", $file))
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{
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include($config['install_dir'] . "/includes/discovery/os/" . $file);
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}
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}
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closedir($dir_handle);
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if ($os) { return $os; } else { return "generic"; }
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}
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function percent_colour($perc)
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{
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$r = min(255, 5 * ($perc - 25));
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$b = max(0, 255 - (5 * ($perc + 25)));
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return sprintf('#%02x%02x%02x', $r, $b, $b);
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}
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function interface_errors($rrd_file, $period = '-1d') // Returns the last in/out errors value in RRD
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{
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global $config;
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$cmd = $config['rrdtool']." fetch -s $period -e -300s $rrd_file AVERAGE | grep : | cut -d\" \" -f 4,5";
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$data = trim(shell_exec($cmd));
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foreach (explode("\n", $data) as $entry)
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{
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list($in, $out) = explode(" ", $entry);
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$in_errors += ($in * 300);
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$out_errors += ($out * 300);
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}
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$errors['in'] = round($in_errors);
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$errors['out'] = round($out_errors);
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return $errors;
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}
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function getImage($host)
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{
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global $config;
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$sql = "SELECT * FROM `devices` WHERE `device_id` = '$host'";
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$data = mysql_fetch_assoc(mysql_query($sql));
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$type = strtolower($data['os']);
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if ($config['os'][$type]['icon'] && file_exists($config['html_dir'] . "/images/os/" . $config['os'][$type]['icon'] . ".png"))
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{
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$image = '<img src="'.$config['base_url'].'/images/os/'.$config['os'][$type]['icon'].'.png" />';
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} elseif ($config['os'][$type]['icon'] && file_exists($config['html_dir'] . "/images/os/". $config['os'][$type]['icon'] . ".gif"))
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{
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$image = '<img src="'.$config['base_url'].'/images/os/'.$config['os'][$type]['icon'].'.gif" />';
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} else {
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if (file_exists($config['html_dir'] . "/images/os/$type" . ".png")){ $image = '<img src="'.$config['base_url'].'/images/os/'.$type.'.png" />';
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} elseif (file_exists($config['html_dir'] . "/images/os/$type" . ".gif")){ $image = '<img src="'.$config['base_url'].'/images/os/'.$type.'.gif" />'; }
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if ($type == "linux")
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{
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$features = strtolower(trim($data['features']));
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list($distro) = explode(" ", $features);
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if (file_exists($config['html_dir'] . "/images/os/$distro" . ".png")){ $image = '<img src="'.$config['base_url'].'/images/os/'.$distro.'.png" />';
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} elseif (file_exists($config['html_dir'] . "/images/os/$distro" . ".gif")){ $image = '<img src="'.$config['base_url'].'/images/os/'.$distro.'.gif" />'; }
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}
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}
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return $image;
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}
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function renamehost($id, $new, $source = 'console')
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{
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global $config;
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$host = mysql_result(mysql_query("SELECT hostname FROM devices WHERE device_id = '$id'"), 0);
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rename($config['rrd_dir']."/$host",$config['rrd_dir']."/$new");
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mysql_query("UPDATE devices SET hostname = '$new' WHERE device_id = '$id'");
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log_event("Hostname changed -> $new ($source)", $id, 'system');
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}
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function delete_port($int_id)
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{
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global $config;
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$interface = mysql_fetch_assoc(mysql_query("SELECT * FROM `ports` AS P, `devices` AS D WHERE P.interface_id = '".$int_id."' AND D.device_id = P.device_id"));
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mysql_query("DELETE from `adjacencies` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE from `links` WHERE `local_interface_id` = '$int_id'");
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mysql_query("DELETE from `links` WHERE `remote_interface_id` = '$int_id'");
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mysql_query("DELETE from `ipaddr` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE from `ip6adjacencies` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE from `ip6addr` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE from `mac_accounting` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE FROM `bill_ports` WHERE `port_id` = '$int_id'");
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mysql_query("DELETE from `pseudowires` WHERE `interface_id` = '$int_id'");
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mysql_query("DELETE FROM `ports` WHERE `interface_id` = '$int_id'");
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unlink(trim($config['rrd_dir'])."/".trim($interface['hostname'])."/".$interface['ifIndex'].".rrd");
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}
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function delete_device($id)
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{
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global $config;
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$host = mysql_result(mysql_query("SELECT hostname FROM devices WHERE device_id = '$id'"), 0);
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mysql_query("DELETE FROM `devices` WHERE `device_id` = '$id'");
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$int_query = mysql_query("SELECT * FROM `ports` WHERE `device_id` = '$id'");
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while ($int_data = mysql_fetch_assoc($int_query))
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{
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$int_if = $int_data['ifDescr'];
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$int_id = $int_data['interface_id'];
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delete_port($int_id);
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$ret .= "Removed interface $int_id ($int_if)\n";
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}
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mysql_query("DELETE FROM `entPhysical` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `devices_attribs` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `devices_perms` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `bgpPeers` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `vlans` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `vrfs` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `storage` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `alerts` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `eventlog` WHERE `host` = '$id'");
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mysql_query("DELETE FROM `syslog` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `ports` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `services` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `alerts` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `toner` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `frequency` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `current` WHERE `device_id` = '$id'");
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mysql_query("DELETE FROM `sensors` WHERE `device_id` = '$id'");
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shell_exec("rm -rf ".trim($config['rrd_dir'])."/$host");
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$ret = "Removed Device $host\n";
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return $ret;
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}
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function addHost($host, $community, $snmpver, $port = 161, $transport = 'udp')
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{
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global $config;
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list($hostshort) = explode(".", $host);
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if (isDomainResolves($host))
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{
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if (isPingable($host))
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{
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if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '$host'"), 0) == '0')
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{
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# FIXME internalize -- but we don't have $device yet!
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# FIXME this needs to be addhost.php's content instead, kindof, also use this function there then.
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$snmphost = shell_exec($config['snmpget'] ." -m SNMPv2-MIB -Oqv -$snmpver -c $community $host:$port sysName.0");
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if ($snmphost == $host || $hostshort = $host)
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{
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createHost($host, $community, $snmpver, $port, $transport);
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} else { echo("Given hostname does not match SNMP-read hostname!\n"); }
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} else { echo("Already got host $host\n"); }
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} else { echo("Could not ping $host\n"); }
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} else { echo("Could not resolve $host\n"); }
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}
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function scanUDP($host, $port, $timeout)
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{
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$handle = fsockopen($host, $port, $errno, $errstr, 2);
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socket_set_timeout ($handle, $timeout);
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$write = fwrite($handle,"\x00");
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if (!$write) { next; }
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$startTime = time();
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$header = fread($handle, 1);
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$endTime = time();
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$timeDiff = $endTime - $startTime;
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if ($timeDiff >= $timeout)
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{
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fclose($handle); return 1;
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} else { fclose($handle); return 0; }
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}
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function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp')
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{
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$device = array();
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$device['hostname'] = $host;
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$device['port'] = $port;
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$device['community'] = $community;
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$device['snmpver'] = $snmpver;
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$device['transport'] = $transport;
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return $device;
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}
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function netmask2cidr($netmask)
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{
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$addr = Net_IPv4::parseAddress("1.2.3.4/$netmask");
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return $addr->bitmask;
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}
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function cidr2netmask()
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{
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return (long2ip(ip2long("255.255.255.255") << (32-$netmask)));
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}
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function formatUptime($diff, $format="long")
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{
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$yearsDiff = floor($diff/31536000);
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$diff -= $yearsDiff*31536000;
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$daysDiff = floor($diff/86400);
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$diff -= $daysDiff*86400;
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$hrsDiff = floor($diff/60/60);
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$diff -= $hrsDiff*60*60;
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$minsDiff = floor($diff/60);
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$diff -= $minsDiff*60;
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$secsDiff = $diff;
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$uptime = "";
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if ($format == "short")
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{
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if ($yearsDiff > '0') { $uptime .= $yearsDiff . "y "; }
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if ($daysDiff > '0') { $uptime .= $daysDiff . "d "; }
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if ($hrsDiff > '0') { $uptime .= $hrsDiff . "h "; }
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if ($minsDiff > '0') { $uptime .= $minsDiff . "m "; }
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if ($secsDiff > '0') { $uptime .= $secsDiff . "s "; }
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}
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else
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{
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if ($yearsDiff > '0') { $uptime .= $yearsDiff . " years, "; }
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if ($daysDiff > '0') { $uptime .= $daysDiff . " day" . ($daysDiff != 1 ? 's' : '') . ", "; }
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if ($hrsDiff > '0') { $uptime .= $hrsDiff . "h "; }
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if ($minsDiff > '0') { $uptime .= $minsDiff . "m "; }
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if ($secsDiff > '0') { $uptime .= $secsDiff . "s "; }
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}
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return trim($uptime);
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}
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function isSNMPable($device)
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{
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global $config;
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$pos = snmp_get($device, "sysObjectID.0", "-Oqv", "SNMPv2-MIB");
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if ($pos === '' || $pos === false)
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{
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return false;
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} else {
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return true;
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}
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}
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function isPingable($hostname)
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{
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global $config;
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$status = shell_exec($config['fping'] . " $hostname 2>/dev/null");
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if (strstr($status, "alive"))
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{
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return TRUE;
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} else {
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$status = shell_exec($config['fping6'] . " $hostname 2>/dev/null");
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if (strstr($status, "alive"))
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{
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return TRUE;
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} else {
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return FALSE;
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}
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}
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}
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function is_odd($number)
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{
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return $number & 1; // 0 = even, 1 = odd
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}
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function isValidInterface($if)
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{
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global $config;
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$if = strtolower($if);
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$nullintf = 0;
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foreach ($config['bad_if'] as $bi)
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{
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$pos = strpos($if, $bi);
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if ($pos !== FALSE)
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{
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$nullintf = 1;
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echo("$if matched $bi \n");
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}
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}
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if (preg_match('/serial[0-9]:/', $if)) { $nullintf = '1'; }
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if ($nullintf != '1')
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{
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return 1;
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} else {
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return 0;
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}
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}
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function utime()
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{
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$time = explode(" ", microtime());
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$usec = (double)$time[0];
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$sec = (double)$time[1];
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return $sec + $usec;
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}
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function createHost($host, $community, $snmpver, $port = 161, $transport = 'udp')
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{
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$host = trim(strtolower($host));
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$device = deviceArray($host, $community, $snmpver, $port, $transport);
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$host_os = getHostOS($device);
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if ($host_os)
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{
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$sql = mysql_query("INSERT INTO `devices` (`hostname`, `sysName`, `community`, `port`, `transport`, `os`, `status`,`snmpver`) VALUES ('$host', '$host', '$community', '$port', '$transport', '$host_os', '1','$snmpver')");
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if (mysql_affected_rows())
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{
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return("Created host : $host (id:".mysql_insert_id().") (os:$host_os)");
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}
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else
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{
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return FALSE;
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}
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}
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else
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{
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return FALSE;
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}
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}
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function isDomainResolves($domain)
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{
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return (gethostbyname($domain) != $domain || count(dns_get_record($domain)) != 0);
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}
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function hoststatus($id)
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{
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$sql = mysql_query("SELECT `status` FROM `devices` WHERE `device_id` = '$id'");
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$result = @mysql_result($sql, 0);
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return $result;
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}
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function match_network($nets, $ip, $first=false)
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{
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$return = false;
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if (!is_array ($nets)) $nets = array ($nets);
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foreach ($nets as $net)
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{
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$rev = (preg_match ("/^\!/", $net)) ? true : false;
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$net = preg_replace ("/^\!/", "", $net);
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$ip_arr = explode('/', $net);
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$net_long = ip2long($ip_arr[0]);
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$x = ip2long($ip_arr[1]);
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$mask = long2ip($x) == $ip_arr[1] ? $x : 0xffffffff << (32 - $ip_arr[1]);
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$ip_long = ip2long($ip);
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if ($rev)
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{
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if (($ip_long & $mask) == ($net_long & $mask)) return false;
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} else {
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if (($ip_long & $mask) == ($net_long & $mask)) $return = true;
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if ($first && $return) return true;
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}
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}
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return $return;
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}
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function snmp2ipv6($ipv6_snmp)
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{
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$ipv6 = explode('.',$ipv6_snmp);
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# Workaround stupid Microsoft bug in Windows 2008 -- this is fixed length!
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# < fenestro> "because whoever implemented this mib for Microsoft was ignorant of RFC 2578 section 7.7 (2)"
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if (count($ipv6) == 17 && $ipv6[0] == 16)
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{
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array_shift($ipv6);
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}
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for ($i = 0;$i <= 15;$i++) { $ipv6[$i] = zeropad(dechex($ipv6[$i])); }
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for ($i = 0;$i <= 15;$i+=2) { $ipv6_2[] = $ipv6[$i] . $ipv6[$i+1]; }
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return implode(':',$ipv6_2);
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}
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function ipv62snmp($ipv6)
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{
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$ipv6_ex = explode(':',Net_IPv6::uncompress($ipv6));
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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 $result;
|
|
}
|
|
}
|
|
}
|
|
|
|
# FIXME DEPRECATED -- only used in dead file includes/polling/interfaces.inc.php - if we no longer need that one, this can go too.
|
|
function eventlog($eventtext,$device_id = "", $interface_id = "")
|
|
{
|
|
$event_query = "INSERT INTO eventlog (host, interface, datetime, message) VALUES (" . ($device_id ? $device_id : "NULL");
|
|
$event_query .= ", " . ($interface_id ? $interface_id : "NULL") . ", NOW(), '" . mysql_escape_string($eventtext) . "')";
|
|
mysql_query($event_query);
|
|
}
|
|
|
|
# Use this function to write to the eventlog table
|
|
function log_event($text, $device = NULL, $type = NULL, $reference = NULL)
|
|
{
|
|
global $debug;
|
|
|
|
if (!is_array($device)) { $device = device_by_id_cache($device); }
|
|
|
|
$event_query = "INSERT INTO eventlog (host, reference, type, datetime, message) VALUES (" . ($device['device_id'] ? $device['device_id'] : "NULL");
|
|
$event_query .= ", '" . ($reference ? $reference : "NULL") . "', '" . ($type ? $type : "NULL") . "', NOW(), '" . mres($text) . "')";
|
|
if ($debug) { echo($event_query . "\n"); }
|
|
mysql_query($event_query);
|
|
}
|
|
|
|
function notify($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);
|
|
}
|
|
}
|
|
|
|
?>
|