if ($_POST['action'] == "add" && $_POST['masterSubnetId'] == 0) {
/* first verify user input */
$errors = verifyCidr($_POST['subnet']);
/* check for overlapping */
if ($section['strictMode'] == 1 && !$isFolder) {
/* verify that no overlapping occurs if we are adding root subnet
only check for overlapping if vrf is empty or not exists!
*/
if ($overlap = verifySubnetOverlapping($_POST['sectionId'], $_POST['subnet'], $_POST['vrfId'])) {
$errors[] = $overlap;
}
}
} else {
if ($_POST['action'] == "add") {
/* first verify user input */
$errors = verifyCidr($_POST['subnet']);
/* verify that nested subnet is inside root subnet */
if ($section['strictMode'] == 1 && !$isFolder) {
if (!($overlap = verifySubnetNesting($_POST['masterSubnetId'], $_POST['subnet']))) {
$errors[] = _('Nested subnet not in root subnet!');
}
}
/* verify that no overlapping occurs if we are adding nested subnet */
if ($section['strictMode'] == 1 && !$isFolder) {
if ($overlap = verifyNestedSubnetOverlapping($_POST['sectionId'], $_POST['subnet'], $_POST['vrfId'], $_POST['masterSubnetId'])) {
$errors[] = $overlap;
}
}
} else {
if ($_POST['action'] == "edit") {
if ($section['strictMode'] == 1 && !$isFolder) {
}
}
/* import each record to database */
foreach ($allSubnets as $subnet) {
//get number
$m = str_replace("subnet-", "", $subnet);
//set subnet details
$subnetDetails['action'] = "add";
$subnetDetails['subnet'] = $_POST['subnet-' . $m];
$subnetDetails['sectionId'] = $_POST['section-' . $m];
$subnetDetails['description'] = $_POST['description-' . $m];
$subnetDetails['VLAN'] = $_POST['vlan-' . $m];
$subnetDetails['masterSubnetId'] = 0;
//cidr
if (verifyCidr($subnetDetails['subnet'])) {
$errors[] = verifyCidr($subnetDetails['subnet']);
} else {
if (verifySubnetOverlapping($subnetDetails['sectionId'], $subnetDetails['subnet'], "000")) {
$errors[] = verifySubnetOverlapping($subnetDetails['sectionId'], $subnetDetails['subnet'], "000");
} else {
if (verifyNestedSubnetOverlapping($subnetDetails['sectionId'], $subnetDetails['subnet'], "000")) {
$errors[] = verifyNestedSubnetOverlapping($subnetDetails['sectionId'], $subnetDetails['subnet'], "000");
} else {
$subnetInsert[] = $subnetDetails;
}
}
}
}
/* print errors if they exist or success */
if (!isset($errors)) {
$errors2 = 0;
<?php
/**
*
* Script to calculate IP subnetting
*
*/
/* include required scripts */
require_once '../../functions/functions.php';
# check referer and requested with
CheckReferrer();
# get requested IP addresses
$cidr = $_POST['cidr'];
# verify input CIDR
$errors = verifyCidr($cidr, 0);
# die on errors
if (sizeof($errors) != 0) {
die('<div class="alert alert-danger alert-absolute">' . _('Invalid input') . ': ' . $errors[0] . '</div>');
}
/* calculate results */
$ipCalcResults = calculateIpCalcResult($cidr);
?>
<hr>
<h4><?php
print _('Subnetting details for');
?>
<?php
print $cidr;
?>
:</h4>
/**
* verify ip address /mask 10.10.10.10./24 - CIDR
*
* if subnet == 0 we dont check if IP is subnet -> needed for ipCalc
*/
function getSubnetNetworkAddress($newSubnet)
{
$type = IdentifyAddress($cidr);
/* IPv4 */
if ($type == "IPv4") {
$resized = getIpv4NetworkAddress($newSubnet);
if (verifyCidr($resized, 0)) {
return false;
}
} else {
// TODO: IPv6 not yet supported here
return false;
}
return $resized;
}
/**
* Function, that calculates first possible subnet from provided subnet and number of next free IP addresses
*/
function getFirstPossibleSubnet($subnet, $free, $print = true)
{
// check IP address type (v4/v6)
$type = IdentifyAddress($subnet);
// set max possible mask for IP range
if ($type == "IPv6") {
$maxmask = 128;
} else {
$maxmask = 32;
}
// calculate maximum possible IP mask
$mask = floor(log($free) / log(2));
$mask = $maxmask - $mask;
// we have now maximum mask. We need to verify if subnet is valid
// otherwise add 1 to $mask and go to $maxmask
for ($m = $mask; $m <= $maxmask; $m++) {
//validate
$err = verifyCidr($subnet . "/" . $m, 1);
if (sizeof($err) == 0) {
//ok, it is possible!
$result = $subnet . "/" . $m;
break;
}
}
//print or return?
if ($print) {
print $result;
} else {
return $result;
}
}