if ($section['strictMode'] == 1) {
if (!($overlap = verifySubnetNesting($subnetOld['masterSubnetId'], transform2long($subnetOld['subnet']) . "/" . $_POST['newMask'])) && $subnetOld['masterSubnetId'] != 0) {
# get master details
$master = getSubnetDetailsById($subnetOld['masterSubnetId']);
$master = Transform2long($master['subnet']) . "/" . $master['mask'] . " - " . $master['description'];
$errors[] = _("New subnet not in master subnet") . "!<br>({$master})";
}
}
/*
* If subnet has slaves make sure all slaves are still inside!
*/
if ($section['strictMode'] == 1) {
$slaves = getAllSlaveSubnetsBySubnetId($_POST['subnetId']);
if (sizeof($slaves) > 0) {
foreach ($slaves as $slave) {
if (!isSubnetInsideSubnet(transform2long($slave['subnet']) . "/" . $slave['mask'], transform2long($subnetOld['subnet']) . "/" . $_POST['newMask'])) {
$errors[] = _("Nested subnet out of new subnet") . "!<br>(" . transform2long($slave['subnet']) . "/{$slave['mask']} - {$slave['description']})";
}
}
}
}
/* if no errors edit! */
if (sizeof($errors) > 0) {
print "<div class='alert alert-danger'><ul>";
foreach ($errors as $error) {
print "<li>{$error}</li>";
}
print "</ul></div>";
} else {
# failed
if (!modifySubnetMask($_POST['subnetId'], $_POST['newMask'])) {
/**
* Verify that new nested subnet is inside master subnet!
*
* $root = root subnet Id
* $new = new subnet that we wish to add to root subnet
*/
function verifySubnetNesting($rootId, $new)
{
//first get details for root subnet
$rootDetails = getSubnetDetailsById($rootId);
$rootDetails = Transform2long($rootDetails['subnet']) . "/" . $rootDetails['mask'];
/* IPv4 or ipv6? */
$type1 = IdentifyAddress($rootDetails);
$type2 = IdentifyAddress($new);
/* both must be IPv4 or IPv6 */
if ($type1 != $type2) {
return false;
die;
}
/* we need network and broadcast address and check for both if the exist in any network!*/
if (isSubnetInsideSubnet($new, $rootDetails)) {
return true;
} else {
return false;
}
}
