Current File : //backups/router/usr/local/opnsense/mvc/app/models/OPNsense/Trust/Cert.php
<?php
/*
* Copyright (C) 2024 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\Trust;
use OPNsense\Base\BaseModel;
use OPNsense\Base\Messages\Message;
/**
* Class Cert
* @package OPNsense\Trust
*/
class Cert extends BaseModel
{
/**
* compare subject to issuer (subject fits within issuer DN)
* @param array $subject to find
* @param array $issuer to match on
* @return bool
*/
private function compare_issuer(array $subject, array $issuer): bool
{
return empty(array_diff(
array_map('serialize', $subject),
array_map('serialize', $issuer)
));
}
/**
* link certificates to ca's in our trust store (based on issuer)
* @param string $refid optional certificate reference id to link
* @param null|Ca $ca_mdl optional Ca model to use, comstructs one when not offered
* @return void
*/
public function linkCaRefs(?string $refid = null, mixed $ca_mdl = null): void
{
$ca_subjects = [];
foreach ($this->cert->iterateItems() as $cert) {
if ($refid != null && $cert->refid != $refid) {
continue;
}
$cert_x509 = openssl_x509_parse((string)$cert->crt_payload);
if ($cert_x509 === false) {
continue;
}
if (empty($ca_subjects)) {
/* collect on first item for matching */
$mdl = $ca_mdl == null ? new Ca() : $ca_mdl;
foreach ($mdl->ca->iterateItems() as $ca) {
$x509 = openssl_x509_parse((string)$ca->crt_payload);
if ($x509 === false) {
continue;
}
/* add sort key, longer paths should match earlier. e.g. NL,ZH should precede NL */
$key = sprintf('%04d-%s', count($x509['subject']), $ca->refid);
$ca_subjects[$key] = ['subject' => $x509['subject'], 'caref' => (string)$ca->refid];
}
krsort($ca_subjects);
}
foreach ($ca_subjects as $caref => $item) {
if ($this->compare_issuer($item['subject'], $cert_x509['issuer'])) {
$cert->caref = $item['caref'];
break;
}
}
}
}
}
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