$Addresses = new Addresses($Database);
# verify that user is logged in
$User->check_user_session();
# set sorting
$tmp = explode("|", $_POST['direction']);
$sort['field'] = $tmp[0];
$sort['direction'] = $tmp[1];
if ($sort['direction'] == "asc") {
$sort['directionNext'] = "desc";
} else {
$sort['directionNext'] = "asc";
}
# subnet-related variables
$subnet = (array) $Subnets->fetch_subnet(null, $_POST['subnetId']);
//subnet details
$subnet_detailed = $Subnets->get_network_boundaries($subnet['subnet'], $subnet['mask']);
//set network boundaries
$slaves = $Subnets->has_slaves($subnet['id']) ? true : false;
//check if subnet has slaves and set slaves flag true/false
# fetch all addresses - sorted
if ($slaves) {
$addresses = $Addresses->fetch_subnet_addresses_recursive($subnet['id'], false, $sort['field'], $sort['direction']);
$slave_subnets = (array) $Subnets->fetch_subnet_slaves($subnet['id']);
} else {
$addresses = $Addresses->fetch_subnet_addresses($subnet['id'], $sort['field'], $sort['direction']);
}
# set permissions
$subnet_permission = $Subnets->check_permission($User->user, $subnet['id']);
}
# We need DNS object
$DNS = new DNS($Database, $User->settings);
/**
* Fetches all possible subnet addresses
*
* @access private
* @param $subnet //subnet in decimal format
* @param int $mask //subnet mask
* @return void //array of ip addresses in decimal format
*/
private function get_all_possible_subnet_addresses($subnet, $mask)
{
# initialize classes
$Subnets = new Subnets($this->Database);
# make sure we have proper subnet format
$subnet = $Subnets->transform_address($subnet, "decimal");
//fetch start and stop addresses
$boundaries = (object) $Subnets->get_network_boundaries($subnet, $mask);
//create array
if ($mask == 32) {
$ip[] = $Subnets->transform_to_decimal($boundaries->network);
} elseif ($mask == 31) {
$ip[] = $Subnets->transform_to_decimal($boundaries->network);
$ip[] = $Subnets->transform_to_decimal($boundaries->broadcast);
} else {
//set loop limits
$start = gmp_strval(gmp_add($Subnets->transform_to_decimal($boundaries->network), 1));
$stop = gmp_strval($Subnets->transform_to_decimal($boundaries->broadcast));
//loop
for ($m = $start; $m < $stop; $m++) {
$ip[] = $m;
}
}
//return
return $ip;
}
if (!empty($cdata['vlan']) && strtolower($cdata['vlan']) != "na") {
if (!isset($vlan_data[$cdom][$cdata['vlan']])) {
$msg .= "VLAN not found in provided domain.";
$action = "error";
} else {
$cdata['vlanId'] = $vlan_data[$cdom][$cdata['vlan']]['vlanId'];
}
} else {
# no VLAN provided
$cdata['vlanId'] = 0;
}
}
}
# check data format
if ($action != "error") {
if ($net = $Subnets->get_network_boundaries($cdata['subnet'], $cdata['mask'])) {
$cdata['mask'] = $net['bitmask'];
$cidr_check = $Subnets->verify_cidr_address($cdata['subnet'] . "/" . $cdata['mask']);
if (strlen($cidr_check) > 5) {
$msg .= $cidr_check;
$action = "error";
}
} else {
$msg .= $net['message'];
$action = "error";
}
if (preg_match("/[;'\"]/", $cdata['description'])) {
$msg .= "Invalid characters in description.";
$action = "error";
}
if (!empty($cdata['vrf']) && !preg_match("/^[a-zA-Z0-9-:]+\$/", $cdata['vrf'])) {
$Result = new Result();
# verify that user is logged in
$User->check_user_session();
# validate csrf cookie
$_POST['csrf_cookie'] == $_SESSION['csrf_cookie'] ?: $Result->show("danger", _("Invalid CSRF cookie"), true);
# ID must be numeric
if (!is_numeric($_POST['subnetId'])) {
$Result->show("danger", _("Invalid ID"), true);
}
# verify that user has write permissions for subnet
if ($Subnets->check_permission($User->user, $_POST['subnetId']) < 3) {
$Result->show("danger", _('You do not have permissions to resize subnet') . '!', true);
}
# fetch old subnet details and set new
$subnet_old = (array) $Subnets->fetch_subnet(null, $_POST['subnetId']);
# verify resizing
$Subnets->verify_subnet_resize($subnet_old['subnet'], $_POST['newMask'], $subnet_old['id'], $subnet_old['vrfId'], $subnet_old['masterSubnetId'], $subnet_old['mask'], $subnet_old['sectionId']);
# we need to recalculate subnet address if needed
if ($subnet_old['mask'] < $_POST['newMask']) {
$subnet_new['subnet'] = $subnet_old['subnet'];
} else {
$new_boundaries = $Subnets->get_network_boundaries($Subnets->transform_address($subnet_old['subnet'], "dotted"), $_POST['newMask']);
$subnet_new['subnet'] = $Subnets->transform_address($new_boundaries['network'], "decimal");
}
# set update values
$values = array("id" => $_POST['subnetId'], "subnet" => $subnet_new['subnet'], "mask" => $_POST['newMask']);
if (!$Subnets->modify_subnet("resize", $values)) {
$Result->show("danger", _("Error resizing subnet") . "!", true);
} else {
$Result->show("success", _("Subnet resized successfully") . "!", true);
}