librenms-librenms/includes/discovery/ipv4-addresses.php

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<?php
echo("IP Addresses : ");
$oids = shell_exec($config['snmpwalk'] . " -".$device['snmpver']." -Osq -c ".$device['community']." ".$device['hostname'].":".$device['port']." ipAdEntIfIndex");
$oids = trim($oids);
$oids = str_replace("ipAdEntIfIndex.", "", $oids);
foreach(explode("\n", $oids) as $data) {
$data = trim($data);
list($oid,$ifIndex) = explode(" ", $data);
$mask = shell_exec($config['snmpget']." -O qv -".$device['snmpver']." -c ".$device['community']." ".$device['hostname'].":".$device['port']." ipAdEntNetMask.$oid");
$mask = trim($mask);
$network = trim(shell_exec ($config['ipcalc'] . " $oid/$mask | grep Network | cut -d\" \" -f 4"));
list($net,$cidr) = explode("/", $network);
$cidr = trim($cidr);
if($mask == "255.255.255.255") { $cidr = "32"; $network = "$oid/$cidr"; }
if (mysql_result(mysql_query("SELECT count(*) FROM `interfaces` WHERE device_id = '".$device['device_id']."' AND `ifIndex` = '$ifIndex'"), 0) != '0') {
$i_query = "SELECT interface_id FROM `interfaces` WHERE device_id = '".$device['device_id']."' AND `ifIndex` = '$ifIndex'";
$interface_id = mysql_result(mysql_query($i_query), 0);
if (mysql_result(mysql_query("SELECT COUNT(*) FROM `ipv4_networks` WHERE `ipv4_network` = '$network'"), 0) < '1') {
mysql_query("INSERT INTO `ipv4_networks` (`ipv4_network`) VALUES ('$network')");
#echo("Create Subnet $network\n");
echo("S");
}
$ipv4_network_id = @mysql_result(mysql_query("SELECT `ipv4_network_id` from `ipv4_networks` WHERE `ipv4_network` = '$network'"), 0);
if (mysql_result(mysql_query("SELECT COUNT(*) FROM `ipv4_addresses` WHERE `ipv4_address` = '$oid' AND `ipv4_prefixlen` = '$cidr' AND `interface_id` = '$interface_id'"), 0) == '0') {
mysql_query("INSERT INTO `ipv4_addresses` (`ipv4_address`, `ipv4_prefixlen`, `ipv4_network_id`, `interface_id`) VALUES ('$oid', '$cidr', '$ipv4_network_id', '$interface_id')");
#echo("Added $oid/$cidr to $interface_id ( $hostname $ifIndex )\n $i_query\n");
echo("+");
} else { echo("."); }
} else { echo("!"); }
}
echo("\n");
?>