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KeaDhcpv4.php
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KeaDhcpv4.php
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<?php
/*
* Copyright (C) 2023 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace OPNsense\Kea;
use OPNsense\Base\BaseModel;
use OPNsense\Core\Config;
use OPNsense\Core\Backend;
use OPNsense\Firewall\Util;
class KeaDhcpv4 extends BaseModel
{
/**
* Before persisting data into the model, update option_data fields for selected subnets.
* setNodes() is used in most cases (at least from our base controller), which should make this a relatvily
* save entrypoint to enforce some data.
*/
public function setNodes($data)
{
$ifconfig = json_decode((new Backend())->configdRun('interface list ifconfig'), true) ?? [];
foreach ($this->subnets->subnet4->iterateItems() as $subnet) {
if (!empty((string)$subnet->option_data_autocollect)) {
// find first possible candidate to use as a gateway.
$host_ip = null;
foreach ($ifconfig as $if => $details) {
foreach ($details['ipv4'] as $net) {
if (Util::isIPInCIDR($net['ipaddr'], (string)$subnet->subnet)) {
$host_ip = $net['ipaddr'];
break 2;
}
}
}
if (!empty($host_ip)) {
$subnet->option_data->routers = $host_ip;
$subnet->option_data->domain_name_servers = $host_ip;
$subnet->option_data->ntp_servers = $host_ip;
}
}
}
return parent::setNodes($data);
}
/**
* should filter rules be enabled
* @return bool
*/
public function fwrulesEnabled()
{
return (string)$this->general->enabled == '1' &&
(string)$this->general->fwrules == '1' &&
!empty((string)(string)$this->general->interfaces);
}
}