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<?php
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/*
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* certs.inc
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2008-2013 BSD Perimeter
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* Copyright (c) 2013-2016 Electric Sheep Fencing
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* Copyright (c) 2014-2019 Rubicon Communications, LLC (Netgate)
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* Copyright (c) 2008 Shrew Soft Inc. All rights reserved.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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define("OPEN_SSL_CONF_PATH", "/etc/ssl/openssl.cnf");
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require_once("functions.inc");
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global $openssl_digest_algs;
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$openssl_digest_algs = array("sha1", "sha224", "sha256", "sha384", "sha512");
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global $openssl_crl_status;
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/* Numbers are set in the RFC: https://www.ietf.org/rfc/rfc5280.txt */
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$openssl_crl_status = array(
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-1 => "No Status (default)",
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0 => "Unspecified",
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1 => "Key Compromise",
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2 => "CA Compromise",
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3 => "Affiliation Changed",
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4 => "Superseded",
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5 => "Cessation of Operation",
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6 => "Certificate Hold",
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9 => 'Privilege Withdrawn',
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);
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global $cert_altname_types;
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$cert_altname_types = array(
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'DNS' => gettext('FQDN or Hostname'),
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'IP' => gettext('IP address'),
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'URI' => gettext('URI'),
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'email' => gettext('email address'),
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);
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global $cert_max_lifetime;
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$cert_max_lifetime = 12000;
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function & lookup_ca($refid) {
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global $config;
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if (is_array($config['ca'])) {
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foreach ($config['ca'] as & $ca) {
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if ($ca['refid'] == $refid) {
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return $ca;
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}
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}
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}
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return false;
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}
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function & lookup_ca_by_subject($subject) {
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global $config;
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if (is_array($config['ca'])) {
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foreach ($config['ca'] as & $ca) {
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$ca_subject = cert_get_subject($ca['crt']);
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if ($ca_subject == $subject) {
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return $ca;
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}
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}
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}
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return false;
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}
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function & lookup_cert($refid) {
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global $config;
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if (is_array($config['cert'])) {
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foreach ($config['cert'] as & $cert) {
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if ($cert['refid'] == $refid) {
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return $cert;
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}
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}
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}
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return false;
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}
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function & lookup_cert_by_name($name) {
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global $config;
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if (is_array($config['cert'])) {
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foreach ($config['cert'] as & $cert) {
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if ($cert['descr'] == $name) {
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return $cert;
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}
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}
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}
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}
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function & lookup_crl($refid) {
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global $config;
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if (is_array($config['crl'])) {
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foreach ($config['crl'] as & $crl) {
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if ($crl['refid'] == $refid) {
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return $crl;
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}
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}
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}
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return false;
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}
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function ca_chain_array(& $cert) {
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if ($cert['caref']) {
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$chain = array();
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$crt = lookup_ca($cert['caref']);
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$chain[] = $crt;
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while ($crt) {
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$caref = $crt['caref'];
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if ($caref) {
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$crt = lookup_ca($caref);
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} else {
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$crt = false;
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}
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if ($crt) {
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$chain[] = $crt;
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}
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}
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return $chain;
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}
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return false;
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}
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function ca_chain(& $cert) {
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if ($cert['caref']) {
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$ca = "";
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$cas = ca_chain_array($cert);
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if (is_array($cas)) {
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foreach ($cas as & $ca_cert) {
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$ca .= base64_decode($ca_cert['crt']);
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$ca .= "\n";
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}
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}
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return $ca;
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}
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return "";
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}
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function ca_import(& $ca, $str, $key = "", $serial = "") {
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global $config;
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$ca['crt'] = base64_encode($str);
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if (!empty($key)) {
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$ca['prv'] = base64_encode($key);
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}
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if (empty($serial)) {
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$ca['serial'] = 0;
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} else {
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$ca['serial'] = $serial;
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}
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$subject = cert_get_subject($str, false);
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$issuer = cert_get_issuer($str, false);
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// Find my issuer unless self-signed
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if ($issuer <> $subject) {
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$issuer_crt =& lookup_ca_by_subject($issuer);
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if ($issuer_crt) {
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$ca['caref'] = $issuer_crt['refid'];
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}
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}
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/* Correct if child certificate was loaded first */
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if (is_array($config['ca'])) {
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foreach ($config['ca'] as & $oca) {
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$issuer = cert_get_issuer($oca['crt']);
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if ($ca['refid'] <> $oca['refid'] && $issuer == $subject) {
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$oca['caref'] = $ca['refid'];
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}
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}
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}
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if (is_array($config['cert'])) {
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foreach ($config['cert'] as & $cert) {
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$issuer = cert_get_issuer($cert['crt']);
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if ($issuer == $subject) {
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$cert['caref'] = $ca['refid'];
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}
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}
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}
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return true;
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}
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function ca_create(& $ca, $keylen, $lifetime, $dn, $digest_alg = "sha256", $keytype = "RSA", $ecname = "brainpoolP256r1") {
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$args = array(
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"x509_extensions" => "v3_ca",
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"digest_alg" => $digest_alg,
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"encrypt_key" => false);
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if ($keytype == 'ECDSA') {
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$args["curve_name"] = $ecname;
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$args["private_key_type"] = OPENSSL_KEYTYPE_EC;
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} else {
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$args["private_key_bits"] = (int)$keylen;
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$args["private_key_type"] = OPENSSL_KEYTYPE_RSA;
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}
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if (!$res_key) {
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return false;
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}
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// generate a certificate signing request
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$res_csr = openssl_csr_new($dn, $res_key, $args);
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if (!$res_csr) {
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return false;
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}
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// self sign the certificate
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$res_crt = openssl_csr_sign($res_csr, null, $res_key, $lifetime, $args);
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if (!$res_crt) {
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return false;
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}
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// export our certificate data
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if (!openssl_pkey_export($res_key, $str_key) ||
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!openssl_x509_export($res_crt, $str_crt)) {
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return false;
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}
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// return our ca information
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$ca['crt'] = base64_encode($str_crt);
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$ca['prv'] = base64_encode($str_key);
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$ca['serial'] = 0;
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return true;
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}
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function ca_inter_create(& $ca, $keylen, $lifetime, $dn, $caref, $digest_alg = "sha256", $keytype = "RSA", $ecname = "brainpoolP256r1") {
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// Create Intermediate Certificate Authority
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$signing_ca =& lookup_ca($caref);
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if (!$signing_ca) {
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return false;
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}
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$signing_ca_res_crt = openssl_x509_read(base64_decode($signing_ca['crt']));
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$signing_ca_res_key = openssl_pkey_get_private(array(0 => base64_decode($signing_ca['prv']) , 1 => ""));
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if (!$signing_ca_res_crt || !$signing_ca_res_key) {
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return false;
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}
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$signing_ca_serial = ++$signing_ca['serial'];
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$args = array(
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"x509_extensions" => "v3_ca",
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"digest_alg" => $digest_alg,
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"encrypt_key" => false);
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if ($keytype == 'ECDSA') {
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$args["curve_name"] = $ecname;
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$args["private_key_type"] = OPENSSL_KEYTYPE_EC;
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} else {
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$args["private_key_bits"] = (int)$keylen;
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$args["private_key_type"] = OPENSSL_KEYTYPE_RSA;
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}
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if (!$res_key) {
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return false;
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}
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282
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// generate a certificate signing request
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$res_csr = openssl_csr_new($dn, $res_key, $args);
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if (!$res_csr) {
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return false;
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}
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287
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// Sign the certificate
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$res_crt = openssl_csr_sign($res_csr, $signing_ca_res_crt, $signing_ca_res_key, $lifetime, $args, $signing_ca_serial);
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if (!$res_crt) {
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return false;
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}
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293
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// export our certificate data
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if (!openssl_pkey_export($res_key, $str_key) ||
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!openssl_x509_export($res_crt, $str_crt)) {
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return false;
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}
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// return our ca information
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$ca['crt'] = base64_encode($str_crt);
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$ca['prv'] = base64_encode($str_key);
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$ca['serial'] = 0;
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$ca['caref'] = $caref;
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return true;
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}
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309
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function cert_import(& $cert, $crt_str, $key_str) {
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310
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311
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$cert['crt'] = base64_encode($crt_str);
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312
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$cert['prv'] = base64_encode($key_str);
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313
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314
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$subject = cert_get_subject($crt_str, false);
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315
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$issuer = cert_get_issuer($crt_str, false);
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316
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317
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// Find my issuer unless self-signed
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318
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if ($issuer <> $subject) {
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319
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$issuer_crt =& lookup_ca_by_subject($issuer);
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320
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if ($issuer_crt) {
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321
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$cert['caref'] = $issuer_crt['refid'];
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}
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323
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}
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return true;
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325
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}
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327
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function cert_create(& $cert, $caref, $keylen, $lifetime, $dn, $type = "user", $digest_alg = "sha256", $keytype = "RSA", $ecname = "brainpoolP256r1") {
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328
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329
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$cert['type'] = $type;
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330
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331
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if ($type != "self-signed") {
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332
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$cert['caref'] = $caref;
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333
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$ca =& lookup_ca($caref);
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334
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if (!$ca) {
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335
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return false;
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336
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}
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337
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338
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$ca_str_crt = base64_decode($ca['crt']);
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339
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$ca_str_key = base64_decode($ca['prv']);
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340
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$ca_res_crt = openssl_x509_read($ca_str_crt);
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341
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$ca_res_key = openssl_pkey_get_private(array(0 => $ca_str_key, 1 => ""));
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342
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if (!$ca_res_key) {
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343
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return false;
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344
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}
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345
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346
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/* Get the next available CA serial number. */
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347
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$ca_serial = ca_get_next_serial($ca);
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348
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}
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349
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350
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$cert_type = cert_type_config_section($type);
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351
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352
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// in case of using Subject Alternative Names use other sections (with postfix '_san')
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353
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// pass subjectAltName over environment variable 'SAN'
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354
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if ($dn['subjectAltName']) {
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putenv("SAN={$dn['subjectAltName']}"); // subjectAltName can be set _only_ via configuration file
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356
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$cert_type .= '_san';
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357
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unset($dn['subjectAltName']);
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358
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}
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359
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360
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$args = array(
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361
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"x509_extensions" => $cert_type,
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362
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"digest_alg" => $digest_alg,
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363
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"encrypt_key" => false);
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364
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if ($keytype == 'ECDSA') {
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365
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$args["curve_name"] = $ecname;
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366
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$args["private_key_type"] = OPENSSL_KEYTYPE_EC;
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367
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} else {
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368
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$args["private_key_bits"] = (int)$keylen;
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369
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$args["private_key_type"] = OPENSSL_KEYTYPE_RSA;
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370
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}
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371
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|
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372
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// generate a new key pair
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373
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$res_key = openssl_pkey_new($args);
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374
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if (!$res_key) {
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375
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return false;
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376
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}
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|
377
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378
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// If this is a self-signed cert, blank out the CA and sign with the cert's key
|
|
379
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if ($type == "self-signed") {
|
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380
|
$ca = null;
|
|
381
|
$ca_res_crt = null;
|
|
382
|
$ca_res_key = $res_key;
|
|
383
|
$ca_serial = 0;
|
|
384
|
$cert['type'] = "server";
|
|
385
|
}
|
|
386
|
|
|
387
|
// generate a certificate signing request
|
|
388
|
$res_csr = openssl_csr_new($dn, $res_key, $args);
|
|
389
|
if (!$res_csr) {
|
|
390
|
return false;
|
|
391
|
}
|
|
392
|
|
|
393
|
// sign the certificate using an internal CA
|
|
394
|
$res_crt = openssl_csr_sign($res_csr, $ca_res_crt, $ca_res_key, $lifetime,
|
|
395
|
$args, $ca_serial);
|
|
396
|
if (!$res_crt) {
|
|
397
|
return false;
|
|
398
|
}
|
|
399
|
|
|
400
|
// export our certificate data
|
|
401
|
if (!openssl_pkey_export($res_key, $str_key) ||
|
|
402
|
!openssl_x509_export($res_crt, $str_crt)) {
|
|
403
|
return false;
|
|
404
|
}
|
|
405
|
|
|
406
|
// return our certificate information
|
|
407
|
$cert['crt'] = base64_encode($str_crt);
|
|
408
|
$cert['prv'] = base64_encode($str_key);
|
|
409
|
|
|
410
|
return true;
|
|
411
|
}
|
|
412
|
|
|
413
|
function csr_generate(& $cert, $keylen, $dn, $type = "user", $digest_alg = "sha256", $keytype = "RSA", $ecname = "brainpoolP256r1") {
|
|
414
|
|
|
415
|
$cert_type = cert_type_config_section($type);
|
|
416
|
|
|
417
|
// in case of using Subject Alternative Names use other sections (with postfix '_san')
|
|
418
|
// pass subjectAltName over environment variable 'SAN'
|
|
419
|
if ($dn['subjectAltName']) {
|
|
420
|
putenv("SAN={$dn['subjectAltName']}"); // subjectAltName can be set _only_ via configuration file
|
|
421
|
$cert_type .= '_san';
|
|
422
|
unset($dn['subjectAltName']);
|
|
423
|
}
|
|
424
|
|
|
425
|
$args = array(
|
|
426
|
"x509_extensions" => $cert_type,
|
|
427
|
"req_extensions" => "req_{$cert_type}",
|
|
428
|
"digest_alg" => $digest_alg,
|
|
429
|
"encrypt_key" => false);
|
|
430
|
if ($keytype == 'ECDSA') {
|
|
431
|
$args["curve_name"] = $ecname;
|
|
432
|
$args["private_key_type"] = OPENSSL_KEYTYPE_EC;
|
|
433
|
} else {
|
|
434
|
$args["private_key_bits"] = (int)$keylen;
|
|
435
|
$args["private_key_type"] = OPENSSL_KEYTYPE_RSA;
|
|
436
|
}
|
|
437
|
|
|
438
|
// generate a new key pair
|
|
439
|
$res_key = openssl_pkey_new($args);
|
|
440
|
if (!$res_key) {
|
|
441
|
return false;
|
|
442
|
}
|
|
443
|
|
|
444
|
// generate a certificate signing request
|
|
445
|
$res_csr = openssl_csr_new($dn, $res_key, $args);
|
|
446
|
if (!$res_csr) {
|
|
447
|
return false;
|
|
448
|
}
|
|
449
|
|
|
450
|
// export our request data
|
|
451
|
if (!openssl_pkey_export($res_key, $str_key) ||
|
|
452
|
!openssl_csr_export($res_csr, $str_csr)) {
|
|
453
|
return false;
|
|
454
|
}
|
|
455
|
|
|
456
|
// return our request information
|
|
457
|
$cert['csr'] = base64_encode($str_csr);
|
|
458
|
$cert['prv'] = base64_encode($str_key);
|
|
459
|
|
|
460
|
return true;
|
|
461
|
}
|
|
462
|
|
|
463
|
function csr_sign($csr, & $ca, $duration, $type = "user", $altnames, $digest_alg = "sha256") {
|
|
464
|
global $config;
|
|
465
|
$old_err_level = error_reporting(0);
|
|
466
|
|
|
467
|
// Gather the information required for signed cert
|
|
468
|
$ca_str_crt = base64_decode($ca['crt']);
|
|
469
|
$ca_str_key = base64_decode($ca['prv']);
|
|
470
|
$ca_res_key = openssl_pkey_get_private(array(0 => $ca_str_key, 1 => ""));
|
|
471
|
if (!$ca_res_key) {
|
|
472
|
return false;
|
|
473
|
}
|
|
474
|
|
|
475
|
/* Get the next available CA serial number. */
|
|
476
|
$ca_serial = ca_get_next_serial($ca);
|
|
477
|
|
|
478
|
$cert_type = cert_type_config_section($type);
|
|
479
|
|
|
480
|
if (!empty($altnames)) {
|
|
481
|
putenv("SAN={$altnames}"); // subjectAltName can be set _only_ via configuration file
|
|
482
|
$cert_type .= '_san';
|
|
483
|
}
|
|
484
|
|
|
485
|
$args = array(
|
|
486
|
"x509_extensions" => $cert_type,
|
|
487
|
"digest_alg" => $digest_alg,
|
|
488
|
"req_extensions" => "req_{$cert_type}"
|
|
489
|
);
|
|
490
|
|
|
491
|
// Sign the new cert and export it in x509 format
|
|
492
|
openssl_x509_export(openssl_csr_sign($csr, $ca_str_crt, $ca_str_key, $duration, $args, $ca_serial), $n509);
|
|
493
|
error_reporting($old_err_level);
|
|
494
|
|
|
495
|
return $n509;
|
|
496
|
}
|
|
497
|
|
|
498
|
function csr_complete(& $cert, $str_crt) {
|
|
499
|
$str_key = base64_decode($cert['prv']);
|
|
500
|
cert_import($cert, $str_crt, $str_key);
|
|
501
|
unset($cert['csr']);
|
|
502
|
return true;
|
|
503
|
}
|
|
504
|
|
|
505
|
function csr_get_subject($str_crt, $decode = true) {
|
|
506
|
|
|
507
|
if ($decode) {
|
|
508
|
$str_crt = base64_decode($str_crt);
|
|
509
|
}
|
|
510
|
|
|
511
|
$components = openssl_csr_get_subject($str_crt);
|
|
512
|
|
|
513
|
if (empty($components) || !is_array($components)) {
|
|
514
|
return "unknown";
|
|
515
|
}
|
|
516
|
|
|
517
|
ksort($components);
|
|
518
|
foreach ($components as $a => $v) {
|
|
519
|
if (!strlen($subject)) {
|
|
520
|
$subject = "{$a}={$v}";
|
|
521
|
} else {
|
|
522
|
$subject = "{$a}={$v}, {$subject}";
|
|
523
|
}
|
|
524
|
}
|
|
525
|
|
|
526
|
return $subject;
|
|
527
|
}
|
|
528
|
|
|
529
|
function cert_get_subject($str_crt, $decode = true) {
|
|
530
|
|
|
531
|
if ($decode) {
|
|
532
|
$str_crt = base64_decode($str_crt);
|
|
533
|
}
|
|
534
|
|
|
535
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
536
|
$components = $inf_crt['subject'];
|
|
537
|
|
|
538
|
if (empty($components) || !is_array($components)) {
|
|
539
|
return "unknown";
|
|
540
|
}
|
|
541
|
|
|
542
|
ksort($components);
|
|
543
|
foreach ($components as $a => $v) {
|
|
544
|
if (is_array($v)) {
|
|
545
|
ksort($v);
|
|
546
|
foreach ($v as $w) {
|
|
547
|
$asubject = "{$a}={$w}";
|
|
548
|
$subject = (strlen($subject)) ? "{$asubject}, {$subject}" : $asubject;
|
|
549
|
}
|
|
550
|
} else {
|
|
551
|
$asubject = "{$a}={$v}";
|
|
552
|
$subject = (strlen($subject)) ? "{$asubject}, {$subject}" : $asubject;
|
|
553
|
}
|
|
554
|
}
|
|
555
|
|
|
556
|
return $subject;
|
|
557
|
}
|
|
558
|
|
|
559
|
function cert_get_subject_array($crt) {
|
|
560
|
$str_crt = base64_decode($crt);
|
|
561
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
562
|
$components = $inf_crt['subject'];
|
|
563
|
|
|
564
|
if (!is_array($components)) {
|
|
565
|
return;
|
|
566
|
}
|
|
567
|
|
|
568
|
$subject_array = array();
|
|
569
|
|
|
570
|
foreach ($components as $a => $v) {
|
|
571
|
$subject_array[] = array('a' => $a, 'v' => $v);
|
|
572
|
}
|
|
573
|
|
|
574
|
return $subject_array;
|
|
575
|
}
|
|
576
|
|
|
577
|
function cert_get_subject_hash($crt) {
|
|
578
|
$str_crt = base64_decode($crt);
|
|
579
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
580
|
return $inf_crt['subject'];
|
|
581
|
}
|
|
582
|
|
|
583
|
function cert_get_sans($str_crt, $decode = true) {
|
|
584
|
if ($decode) {
|
|
585
|
$str_crt = base64_decode($str_crt);
|
|
586
|
}
|
|
587
|
$sans = array();
|
|
588
|
$crt_details = openssl_x509_parse($str_crt);
|
|
589
|
if (!empty($crt_details['extensions']['subjectAltName'])) {
|
|
590
|
$sans = explode(',', $crt_details['extensions']['subjectAltName']);
|
|
591
|
}
|
|
592
|
return $sans;
|
|
593
|
}
|
|
594
|
|
|
595
|
function cert_get_issuer($str_crt, $decode = true) {
|
|
596
|
|
|
597
|
if ($decode) {
|
|
598
|
$str_crt = base64_decode($str_crt);
|
|
599
|
}
|
|
600
|
|
|
601
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
602
|
$components = $inf_crt['issuer'];
|
|
603
|
|
|
604
|
if (empty($components) || !is_array($components)) {
|
|
605
|
return "unknown";
|
|
606
|
}
|
|
607
|
|
|
608
|
ksort($components);
|
|
609
|
foreach ($components as $a => $v) {
|
|
610
|
if (is_array($v)) {
|
|
611
|
ksort($v);
|
|
612
|
foreach ($v as $w) {
|
|
613
|
$aissuer = "{$a}={$w}";
|
|
614
|
$issuer = (strlen($issuer)) ? "{$aissuer}, {$issuer}" : $aissuer;
|
|
615
|
}
|
|
616
|
} else {
|
|
617
|
$aissuer = "{$a}={$v}";
|
|
618
|
$issuer = (strlen($issuer)) ? "{$aissuer}, {$issuer}" : $aissuer;
|
|
619
|
}
|
|
620
|
}
|
|
621
|
|
|
622
|
return $issuer;
|
|
623
|
}
|
|
624
|
|
|
625
|
/* Works for both RSA and ECC (crt) and key (prv) */
|
|
626
|
function cert_get_publickey($str_crt, $decode = true, $type = "crt") {
|
|
627
|
if ($decode) {
|
|
628
|
$str_crt = base64_decode($str_crt);
|
|
629
|
}
|
|
630
|
$certfn = tempnam('/tmp', 'CGPK');
|
|
631
|
file_put_contents($certfn, $str_crt);
|
|
632
|
switch ($type) {
|
|
633
|
case 'prv':
|
|
634
|
exec("/usr/bin/openssl pkey -in {$certfn} -pubout", $out);
|
|
635
|
break;
|
|
636
|
case 'crt':
|
|
637
|
exec("/usr/bin/openssl x509 -in {$certfn} -inform pem -noout -pubkey", $out);
|
|
638
|
break;
|
|
639
|
case 'csr':
|
|
640
|
exec("/usr/bin/openssl req -in {$certfn} -inform pem -noout -pubkey", $out);
|
|
641
|
break;
|
|
642
|
default:
|
|
643
|
$out = array();
|
|
644
|
break;
|
|
645
|
}
|
|
646
|
unlink($certfn);
|
|
647
|
return implode("\n", $out);
|
|
648
|
}
|
|
649
|
|
|
650
|
function cert_get_purpose($str_crt, $decode = true) {
|
|
651
|
$extended_oids = array(
|
|
652
|
"1.3.6.1.5.5.8.2.2" => "IP Security IKE Intermediate",
|
|
653
|
);
|
|
654
|
if ($decode) {
|
|
655
|
$str_crt = base64_decode($str_crt);
|
|
656
|
}
|
|
657
|
$crt_details = openssl_x509_parse($str_crt);
|
|
658
|
$purpose = array();
|
|
659
|
if (!empty($crt_details['extensions']['keyUsage'])) {
|
|
660
|
$purpose['ku'] = explode(',', $crt_details['extensions']['keyUsage']);
|
|
661
|
foreach ($purpose['ku'] as & $ku) {
|
|
662
|
$ku = trim($ku);
|
|
663
|
if (array_key_exists($ku, $extended_oids)) {
|
|
664
|
$ku = $extended_oids[$ku];
|
|
665
|
}
|
|
666
|
}
|
|
667
|
} else {
|
|
668
|
$purpose['ku'] = array();
|
|
669
|
}
|
|
670
|
if (!empty($crt_details['extensions']['extendedKeyUsage'])) {
|
|
671
|
$purpose['eku'] = explode(',', $crt_details['extensions']['extendedKeyUsage']);
|
|
672
|
foreach ($purpose['eku'] as & $eku) {
|
|
673
|
$eku = trim($eku);
|
|
674
|
if (array_key_exists($eku, $extended_oids)) {
|
|
675
|
$eku = $extended_oids[$eku];
|
|
676
|
}
|
|
677
|
}
|
|
678
|
} else {
|
|
679
|
$purpose['eku'] = array();
|
|
680
|
}
|
|
681
|
$purpose['ca'] = (stristr($crt_details['extensions']['basicConstraints'], 'CA:TRUE') === false) ? 'No': 'Yes';
|
|
682
|
$purpose['server'] = (in_array('TLS Web Server Authentication', $purpose['eku'])) ? 'Yes': 'No';
|
|
683
|
|
|
684
|
return $purpose;
|
|
685
|
}
|
|
686
|
|
|
687
|
function cert_get_ocspstaple($str_crt, $decode = true) {
|
|
688
|
if ($decode) {
|
|
689
|
$str_crt = base64_decode($str_crt);
|
|
690
|
}
|
|
691
|
$crt_details = openssl_x509_parse($str_crt);
|
|
692
|
if (($crt_details['extensions']['tlsfeature'] == "status_request") ||
|
|
693
|
!empty($crt_details['extensions']['1.3.6.1.5.5.7.1.24'])) {
|
|
694
|
return true;
|
|
695
|
}
|
|
696
|
return false;
|
|
697
|
}
|
|
698
|
|
|
699
|
function cert_get_dates($str_crt, $decode = true, $outputstring = true) {
|
|
700
|
if ($decode) {
|
|
701
|
$str_crt = base64_decode($str_crt);
|
|
702
|
}
|
|
703
|
$crt_details = openssl_x509_parse($str_crt);
|
|
704
|
$now = new DateTime("now");
|
|
705
|
$start = DateTime::createFromFormat('ymdHis', rtrim($crt_details['validFrom'], 'Z'), new DateTimeZone('Z'));
|
|
706
|
if ($start !== false) {
|
|
707
|
$start->setTimezone($now->getTimeZone());
|
|
708
|
if ($outputstring) {
|
|
709
|
$start = $start->format(DateTimeInterface::RFC2822);
|
|
710
|
}
|
|
711
|
}
|
|
712
|
$end = DateTime::createFromFormat('ymdHis', rtrim($crt_details['validTo'], 'Z'), new DateTimeZone('Z'));
|
|
713
|
if ($end !== false) {
|
|
714
|
$end->setTimezone($now->getTimeZone());
|
|
715
|
if ($outputstring) {
|
|
716
|
$end = $end->format(DateTimeInterface::RFC2822);
|
|
717
|
}
|
|
718
|
}
|
|
719
|
return array($start, $end);
|
|
720
|
}
|
|
721
|
|
|
722
|
function cert_get_serial($str_crt, $decode = true) {
|
|
723
|
if ($decode) {
|
|
724
|
$str_crt = base64_decode($str_crt);
|
|
725
|
}
|
|
726
|
$crt_details = openssl_x509_parse($str_crt);
|
|
727
|
if (isset($crt_details['serialNumber'])) {
|
|
728
|
return $crt_details['serialNumber'];
|
|
729
|
} else {
|
|
730
|
return NULL;
|
|
731
|
}
|
|
732
|
}
|
|
733
|
|
|
734
|
function cert_get_sigtype($str_crt, $decode = true) {
|
|
735
|
if ($decode) {
|
|
736
|
$str_crt = base64_decode($str_crt);
|
|
737
|
}
|
|
738
|
$crt_details = openssl_x509_parse($str_crt);
|
|
739
|
|
|
740
|
$signature = array();
|
|
741
|
if (isset($crt_details['signatureTypeSN']) && !empty($crt_details['signatureTypeSN'])) {
|
|
742
|
$signature['shortname'] = $crt_details['signatureTypeSN'];
|
|
743
|
}
|
|
744
|
if (isset($crt_details['signatureTypeLN']) && !empty($crt_details['signatureTypeLN'])) {
|
|
745
|
$signature['longname'] = $crt_details['signatureTypeLN'];
|
|
746
|
}
|
|
747
|
if (isset($crt_details['signatureTypeNID']) && !empty($crt_details['signatureTypeNID'])) {
|
|
748
|
$signature['nid'] = $crt_details['signatureTypeNID'];
|
|
749
|
}
|
|
750
|
|
|
751
|
return $signature;
|
|
752
|
}
|
|
753
|
|
|
754
|
function is_openvpn_server_ca($caref) {
|
|
755
|
global $config;
|
|
756
|
if (!is_array($config['openvpn']['openvpn-server'])) {
|
|
757
|
return;
|
|
758
|
}
|
|
759
|
foreach ($config['openvpn']['openvpn-server'] as $ovpns) {
|
|
760
|
if ($ovpns['caref'] == $caref) {
|
|
761
|
return true;
|
|
762
|
}
|
|
763
|
}
|
|
764
|
return false;
|
|
765
|
}
|
|
766
|
|
|
767
|
function is_openvpn_client_ca($caref) {
|
|
768
|
global $config;
|
|
769
|
if (!is_array($config['openvpn']['openvpn-client'])) {
|
|
770
|
return;
|
|
771
|
}
|
|
772
|
foreach ($config['openvpn']['openvpn-client'] as $ovpnc) {
|
|
773
|
if ($ovpnc['caref'] == $caref) {
|
|
774
|
return true;
|
|
775
|
}
|
|
776
|
}
|
|
777
|
return false;
|
|
778
|
}
|
|
779
|
|
|
780
|
function is_ipsec_peer_ca($caref) {
|
|
781
|
global $config;
|
|
782
|
if (!is_array($config['ipsec']['phase1'])) {
|
|
783
|
return;
|
|
784
|
}
|
|
785
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
786
|
if ($ipsec['caref'] == $caref) {
|
|
787
|
return true;
|
|
788
|
}
|
|
789
|
}
|
|
790
|
return false;
|
|
791
|
}
|
|
792
|
|
|
793
|
function is_ldap_peer_ca($caref) {
|
|
794
|
global $config;
|
|
795
|
if (!is_array($config['system']['authserver'])) {
|
|
796
|
return;
|
|
797
|
}
|
|
798
|
foreach ($config['system']['authserver'] as $authserver) {
|
|
799
|
if ($authserver['ldap_caref'] == $caref) {
|
|
800
|
return true;
|
|
801
|
}
|
|
802
|
}
|
|
803
|
return false;
|
|
804
|
}
|
|
805
|
|
|
806
|
function ca_in_use($caref) {
|
|
807
|
return (is_openvpn_server_ca($caref) ||
|
|
808
|
is_openvpn_client_ca($caref) ||
|
|
809
|
is_ipsec_peer_ca($caref) ||
|
|
810
|
is_ldap_peer_ca($caref));
|
|
811
|
}
|
|
812
|
|
|
813
|
function is_user_cert($certref) {
|
|
814
|
global $config;
|
|
815
|
if (!is_array($config['system']['user'])) {
|
|
816
|
return;
|
|
817
|
}
|
|
818
|
foreach ($config['system']['user'] as $user) {
|
|
819
|
if (!is_array($user['cert'])) {
|
|
820
|
continue;
|
|
821
|
}
|
|
822
|
foreach ($user['cert'] as $cert) {
|
|
823
|
if ($certref == $cert) {
|
|
824
|
return true;
|
|
825
|
}
|
|
826
|
}
|
|
827
|
}
|
|
828
|
return false;
|
|
829
|
}
|
|
830
|
|
|
831
|
function is_openvpn_server_cert($certref) {
|
|
832
|
global $config;
|
|
833
|
if (!is_array($config['openvpn']['openvpn-server'])) {
|
|
834
|
return;
|
|
835
|
}
|
|
836
|
foreach ($config['openvpn']['openvpn-server'] as $ovpns) {
|
|
837
|
if ($ovpns['certref'] == $certref) {
|
|
838
|
return true;
|
|
839
|
}
|
|
840
|
}
|
|
841
|
return false;
|
|
842
|
}
|
|
843
|
|
|
844
|
function is_openvpn_client_cert($certref) {
|
|
845
|
global $config;
|
|
846
|
if (!is_array($config['openvpn']['openvpn-client'])) {
|
|
847
|
return;
|
|
848
|
}
|
|
849
|
foreach ($config['openvpn']['openvpn-client'] as $ovpnc) {
|
|
850
|
if ($ovpnc['certref'] == $certref) {
|
|
851
|
return true;
|
|
852
|
}
|
|
853
|
}
|
|
854
|
return false;
|
|
855
|
}
|
|
856
|
|
|
857
|
function is_ipsec_cert($certref) {
|
|
858
|
global $config;
|
|
859
|
if (!is_array($config['ipsec']['phase1'])) {
|
|
860
|
return;
|
|
861
|
}
|
|
862
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
863
|
if ($ipsec['certref'] == $certref) {
|
|
864
|
return true;
|
|
865
|
}
|
|
866
|
}
|
|
867
|
return false;
|
|
868
|
}
|
|
869
|
|
|
870
|
function is_webgui_cert($certref) {
|
|
871
|
global $config;
|
|
872
|
if (($config['system']['webgui']['ssl-certref'] == $certref) &&
|
|
873
|
($config['system']['webgui']['protocol'] != "http")) {
|
|
874
|
return true;
|
|
875
|
}
|
|
876
|
}
|
|
877
|
|
|
878
|
function is_package_cert($certref) {
|
|
879
|
$pluginparams = array();
|
|
880
|
$pluginparams['type'] = 'certificates';
|
|
881
|
$pluginparams['event'] = 'used_certificates';
|
|
882
|
|
|
883
|
$certificates_used_by_packages = pkg_call_plugins('plugin_certificates', $pluginparams);
|
|
884
|
|
|
885
|
/* Check if any package is using certificate */
|
|
886
|
foreach ($certificates_used_by_packages as $name => $package) {
|
|
887
|
if (is_array($package['certificatelist'][$certref]) &&
|
|
888
|
isset($package['certificatelist'][$certref]) > 0) {
|
|
889
|
return true;
|
|
890
|
}
|
|
891
|
}
|
|
892
|
}
|
|
893
|
|
|
894
|
function is_captiveportal_cert($certref) {
|
|
895
|
global $config;
|
|
896
|
if (!is_array($config['captiveportal'])) {
|
|
897
|
return;
|
|
898
|
}
|
|
899
|
foreach ($config['captiveportal'] as $portal) {
|
|
900
|
if (isset($portal['enable']) && isset($portal['httpslogin']) && ($portal['certref'] == $certref)) {
|
|
901
|
return true;
|
|
902
|
}
|
|
903
|
}
|
|
904
|
return false;
|
|
905
|
}
|
|
906
|
|
|
907
|
function cert_in_use($certref) {
|
|
908
|
|
|
909
|
return (is_webgui_cert($certref) ||
|
|
910
|
is_user_cert($certref) ||
|
|
911
|
is_openvpn_server_cert($certref) ||
|
|
912
|
is_openvpn_client_cert($certref) ||
|
|
913
|
is_ipsec_cert($certref) ||
|
|
914
|
is_captiveportal_cert($certref) ||
|
|
915
|
is_package_cert($certref));
|
|
916
|
}
|
|
917
|
|
|
918
|
function cert_usedby_description($refid, $certificates_used_by_packages) {
|
|
919
|
$result = "";
|
|
920
|
if (is_array($certificates_used_by_packages)) {
|
|
921
|
foreach ($certificates_used_by_packages as $name => $package) {
|
|
922
|
if (isset($package['certificatelist'][$refid])) {
|
|
923
|
$hint = "" ;
|
|
924
|
if (is_array($package['certificatelist'][$refid])) {
|
|
925
|
foreach ($package['certificatelist'][$refid] as $cert_used) {
|
|
926
|
$hint = $hint . $cert_used['usedby']."\n";
|
|
927
|
}
|
|
928
|
}
|
|
929
|
$count = count($package['certificatelist'][$refid]);
|
|
930
|
$result .= "<div title='".htmlspecialchars($hint)."'>";
|
|
931
|
$result .= htmlspecialchars($package['pkgname'])." ($count)<br />";
|
|
932
|
$result .= "</div>";
|
|
933
|
}
|
|
934
|
}
|
|
935
|
}
|
|
936
|
return $result;
|
|
937
|
}
|
|
938
|
|
|
939
|
/* Detect a rollover at 2038 on some platforms (e.g. ARM)
|
|
940
|
* See: https://redmine.pfsense.org/issues/9098 */
|
|
941
|
function cert_get_max_lifetime() {
|
|
942
|
global $cert_max_lifetime;
|
|
943
|
$max = $cert_max_lifetime;
|
|
944
|
|
|
945
|
$current_time = time();
|
|
946
|
while ((int)($current_time + ($max * 24 * 60 * 60)) < 0) {
|
|
947
|
$max--;
|
|
948
|
}
|
|
949
|
return min($max, $cert_max_lifetime);
|
|
950
|
}
|
|
951
|
|
|
952
|
function crl_create(& $crl, $caref, $name, $serial = 0, $lifetime = 3650) {
|
|
953
|
global $config;
|
|
954
|
$max_lifetime = cert_get_max_lifetime();
|
|
955
|
$ca =& lookup_ca($caref);
|
|
956
|
if (!$ca) {
|
|
957
|
return false;
|
|
958
|
}
|
|
959
|
$crl['descr'] = $name;
|
|
960
|
$crl['caref'] = $caref;
|
|
961
|
$crl['serial'] = $serial;
|
|
962
|
$crl['lifetime'] = ($lifetime > $max_lifetime) ? $max_lifetime : $lifetime;
|
|
963
|
$crl['cert'] = array();
|
|
964
|
$config['crl'][] = $crl;
|
|
965
|
return $crl;
|
|
966
|
}
|
|
967
|
|
|
968
|
function crl_update(& $crl) {
|
|
969
|
require_once('ASN1.php');
|
|
970
|
require_once('ASN1_UTF8STRING.php');
|
|
971
|
require_once('ASN1_ASCIISTRING.php');
|
|
972
|
require_once('ASN1_BITSTRING.php');
|
|
973
|
require_once('ASN1_BOOL.php');
|
|
974
|
require_once('ASN1_GENERALTIME.php');
|
|
975
|
require_once('ASN1_INT.php');
|
|
976
|
require_once('ASN1_ENUM.php');
|
|
977
|
require_once('ASN1_NULL.php');
|
|
978
|
require_once('ASN1_OCTETSTRING.php');
|
|
979
|
require_once('ASN1_OID.php');
|
|
980
|
require_once('ASN1_SEQUENCE.php');
|
|
981
|
require_once('ASN1_SET.php');
|
|
982
|
require_once('ASN1_SIMPLE.php');
|
|
983
|
require_once('ASN1_TELETEXSTRING.php');
|
|
984
|
require_once('ASN1_UTCTIME.php');
|
|
985
|
require_once('OID.php');
|
|
986
|
require_once('X509.php');
|
|
987
|
require_once('X509_CERT.php');
|
|
988
|
require_once('X509_CRL.php');
|
|
989
|
|
|
990
|
global $config;
|
|
991
|
$max_lifetime = cert_get_max_lifetime();
|
|
992
|
$ca =& lookup_ca($crl['caref']);
|
|
993
|
if (!$ca) {
|
|
994
|
return false;
|
|
995
|
}
|
|
996
|
// If we have text but no certs, it was imported and cannot be updated.
|
|
997
|
if (($crl["method"] != "internal") && (!empty($crl['text']) && empty($crl['cert']))) {
|
|
998
|
return false;
|
|
999
|
}
|
|
1000
|
$crl['serial']++;
|
|
1001
|
$ca_cert = \Ukrbublik\openssl_x509_crl\X509::pem2der(base64_decode($ca['crt']));
|
|
1002
|
$ca_pkey = openssl_pkey_get_private(base64_decode($ca['prv']));
|
|
1003
|
|
|
1004
|
$crlconf = array(
|
|
1005
|
'no' => $crl['serial'],
|
|
1006
|
'version' => 2,
|
|
1007
|
'days' => ($crl['lifetime'] > $max_lifetime) ? $max_lifetime : $crl['lifetime'],
|
|
1008
|
'alg' => OPENSSL_ALGO_SHA1,
|
|
1009
|
'revoked' => array()
|
|
1010
|
);
|
|
1011
|
|
|
1012
|
if (is_array($crl['cert']) && (count($crl['cert']) > 0)) {
|
|
1013
|
foreach ($crl['cert'] as $cert) {
|
|
1014
|
/* Determine the serial number to revoke */
|
|
1015
|
if (isset($cert['serial'])) {
|
|
1016
|
$serial = $cert['serial'];
|
|
1017
|
} elseif (isset($cert['crt'])) {
|
|
1018
|
$serial = cert_get_serial($cert['crt'], true);
|
|
1019
|
} else {
|
|
1020
|
continue;
|
|
1021
|
}
|
|
1022
|
$crlconf['revoked'][] = array(
|
|
1023
|
'serial' => $serial,
|
|
1024
|
'rev_date' => $cert['revoke_time'],
|
|
1025
|
'reason' => ($cert['reason'] == -1) ? null : (int) $cert['reason'],
|
|
1026
|
);
|
|
1027
|
}
|
|
1028
|
}
|
|
1029
|
|
|
1030
|
$crl_data = \Ukrbublik\openssl_x509_crl\X509_CRL::create($crlconf, $ca_pkey, $ca_cert);
|
|
1031
|
$crl['text'] = base64_encode(\Ukrbublik\openssl_x509_crl\X509::der2pem4crl($crl_data));
|
|
1032
|
|
|
1033
|
return $crl['text'];
|
|
1034
|
}
|
|
1035
|
|
|
1036
|
function cert_revoke($cert, & $crl, $reason = OCSP_REVOKED_STATUS_UNSPECIFIED) {
|
|
1037
|
global $config;
|
|
1038
|
if (is_cert_revoked($cert, $crl['refid'])) {
|
|
1039
|
return true;
|
|
1040
|
}
|
|
1041
|
// If we have text but no certs, it was imported and cannot be updated.
|
|
1042
|
if (!is_crl_internal($crl)) {
|
|
1043
|
return false;
|
|
1044
|
}
|
|
1045
|
|
|
1046
|
if (!is_array($cert)) {
|
|
1047
|
/* If passed a not an array but a serial string, set it up as an
|
|
1048
|
* array with the serial number defined */
|
|
1049
|
$rcert = array();
|
|
1050
|
$rcert['serial'] = $cert;
|
|
1051
|
} else {
|
|
1052
|
/* If passed a certificate entry, read out the serial and store
|
|
1053
|
* it separately. */
|
|
1054
|
$rcert = $cert;
|
|
1055
|
$rcert['serial'] = cert_get_serial($cert['crt']);
|
|
1056
|
}
|
|
1057
|
$rcert['reason'] = $reason;
|
|
1058
|
$rcert['revoke_time'] = time();
|
|
1059
|
$crl['cert'][] = $rcert;
|
|
1060
|
crl_update($crl);
|
|
1061
|
return true;
|
|
1062
|
}
|
|
1063
|
|
|
1064
|
function cert_unrevoke($cert, & $crl) {
|
|
1065
|
global $config;
|
|
1066
|
if (!is_crl_internal($crl)) {
|
|
1067
|
return false;
|
|
1068
|
}
|
|
1069
|
|
|
1070
|
$serial = crl_get_entry_serial($cert);
|
|
1071
|
|
|
1072
|
foreach ($crl['cert'] as $id => $rcert) {
|
|
1073
|
/* Check for a match by refid, name, or serial number */
|
|
1074
|
if (($rcert['refid'] == $cert['refid']) ||
|
|
1075
|
($rcert['descr'] == $cert['descr']) ||
|
|
1076
|
(crl_get_entry_serial($rcert) == $serial)) {
|
|
1077
|
unset($crl['cert'][$id]);
|
|
1078
|
if (count($crl['cert']) == 0) {
|
|
1079
|
// Protect against accidentally switching the type to imported, for older CRLs
|
|
1080
|
if (!isset($crl['method'])) {
|
|
1081
|
$crl['method'] = "internal";
|
|
1082
|
}
|
|
1083
|
crl_update($crl);
|
|
1084
|
} else {
|
|
1085
|
crl_update($crl);
|
|
1086
|
}
|
|
1087
|
return true;
|
|
1088
|
}
|
|
1089
|
}
|
|
1090
|
return false;
|
|
1091
|
}
|
|
1092
|
|
|
1093
|
/* Compare two certificates to see if they match. */
|
|
1094
|
function cert_compare($cert1, $cert2) {
|
|
1095
|
/* Ensure two certs are identical by first checking that their issuers match, then
|
|
1096
|
subjects, then serial numbers, and finally the moduli. Anything less strict
|
|
1097
|
could accidentally count two similar, but different, certificates as
|
|
1098
|
being identical. */
|
|
1099
|
$c1 = base64_decode($cert1['crt']);
|
|
1100
|
$c2 = base64_decode($cert2['crt']);
|
|
1101
|
if ((cert_get_issuer($c1, false) == cert_get_issuer($c2, false)) &&
|
|
1102
|
(cert_get_subject($c1, false) == cert_get_subject($c2, false)) &&
|
|
1103
|
(cert_get_serial($c1, false) == cert_get_serial($c2, false)) &&
|
|
1104
|
(cert_get_publickey($c1, false) == cert_get_publickey($c2, false))) {
|
|
1105
|
return true;
|
|
1106
|
}
|
|
1107
|
return false;
|
|
1108
|
}
|
|
1109
|
|
|
1110
|
/****f* certs/crl_get_entry_serial
|
|
1111
|
* NAME
|
|
1112
|
* crl_get_entry_serial - Take a CRL entry and determine the associated serial
|
|
1113
|
* INPUTS
|
|
1114
|
* $entry: CRL certificate list entry to inspect, or serial string
|
|
1115
|
* RESULT
|
|
1116
|
* The requested serial string, if present, or null if it cannot be determined.
|
|
1117
|
******/
|
|
1118
|
|
|
1119
|
function crl_get_entry_serial($entry) {
|
|
1120
|
/* Check the passed entry several ways to determine the serial */
|
|
1121
|
if (isset($entry['serial']) && (strlen($entry['serial']) > 0)) {
|
|
1122
|
/* Entry is an array with a viable 'serial' element */
|
|
1123
|
return $entry['serial'];
|
|
1124
|
} elseif (isset($entry['crt'])) {
|
|
1125
|
/* Entry is an array with certificate text which can be used to
|
|
1126
|
* determine the serial */
|
|
1127
|
return cert_get_serial($entry['crt'], true);
|
|
1128
|
} elseif (cert_validate_serial($entry, false, true) != null) {
|
|
1129
|
/* Entry is a valid serial string */
|
|
1130
|
return $entry;
|
|
1131
|
}
|
|
1132
|
/* Unable to find or determine a serial number */
|
|
1133
|
return null;
|
|
1134
|
}
|
|
1135
|
|
|
1136
|
/****f* certs/cert_validate_serial
|
|
1137
|
* NAME
|
|
1138
|
* cert_validate_serial - Validate a given string to test if it can be used as
|
|
1139
|
* a certificate serial.
|
|
1140
|
* INPUTS
|
|
1141
|
* $serial : Serial number string to test
|
|
1142
|
* $returnvalue: Whether to return the parsed value or true/false
|
|
1143
|
* RESULT
|
|
1144
|
* If $returnvalue is true, then the parsed ASN.1 integer value string for
|
|
1145
|
* $serial or null if invalid
|
|
1146
|
* If $returnvalue is false, then true/false based on whether or not $serial
|
|
1147
|
* is valid.
|
|
1148
|
******/
|
|
1149
|
|
|
1150
|
function cert_validate_serial($serial, $returnvalue = false, $allowlarge = false) {
|
|
1151
|
require_once('ASN1.php');
|
|
1152
|
require_once('ASN1_INT.php');
|
|
1153
|
/* The ASN.1 parsing function will throw an exception if the value is
|
|
1154
|
* invalid, so take advantage of that to catch other error as well. */
|
|
1155
|
try {
|
|
1156
|
/* If the serial is not a string, then do not bother with
|
|
1157
|
* further tests. */
|
|
1158
|
if (!is_string($serial)) {
|
|
1159
|
throw new Exception('Not a string');
|
|
1160
|
}
|
|
1161
|
/* Process a hex string */
|
|
1162
|
if ((substr($serial, 0, 2) == '0x')) {
|
|
1163
|
/* If the string is hex, then it must contain only
|
|
1164
|
* valid hex digits */
|
|
1165
|
if (!ctype_xdigit(substr($serial, 2))) {
|
|
1166
|
throw new Exception('Not a valid hex string');
|
|
1167
|
}
|
|
1168
|
/* Convert to decimal */
|
|
1169
|
$serial = base_convert($serial, 16, 10);
|
|
1170
|
}
|
|
1171
|
|
|
1172
|
/* Unfortunately, PHP openssl_csr_sign() limits serial numbers to a
|
|
1173
|
* PHP integer, so we cannot generate large numbers up to the maximum
|
|
1174
|
* allowed ASN.1 size (2^159). We are limited to PHP_INT_MAX --
|
|
1175
|
* As such, numbers larger than that limit should be rejected */
|
|
1176
|
if ($serial > PHP_INT_MAX) {
|
|
1177
|
throw new Exception('Serial too large for PHP OpenSSL');
|
|
1178
|
}
|
|
1179
|
|
|
1180
|
/* Attempt to create an ASN.1 integer, if it fails, an exception will be thrown */
|
|
1181
|
$asn1serial = new \Ukrbublik\openssl_x509_crl\ASN1_INT( $serial );
|
|
1182
|
return ($returnvalue) ? $asn1serial->content : true;
|
|
1183
|
} catch (Exception $ex) {
|
|
1184
|
/* No mattter what the error is, return null or false depending
|
|
1185
|
* on what was requested. */
|
|
1186
|
return ($returnvalue) ? null : false;
|
|
1187
|
}
|
|
1188
|
}
|
|
1189
|
|
|
1190
|
/****f* certs/cert_generate_serial
|
|
1191
|
* NAME
|
|
1192
|
* cert_generate_serial - Generate a random positive integer usable as a
|
|
1193
|
* certificate serial number
|
|
1194
|
* INPUTS
|
|
1195
|
* None
|
|
1196
|
* RESULT
|
|
1197
|
* Integer representing an ASN.1 compatible certificate serial number.
|
|
1198
|
******/
|
|
1199
|
|
|
1200
|
function cert_generate_serial() {
|
|
1201
|
/* Use a separate function for this to make it easier to use a better
|
|
1202
|
* randomization function in the future. */
|
|
1203
|
|
|
1204
|
/* Unfortunately, PHP openssl_csr_sign() limits serial numbers to a
|
|
1205
|
* PHP integer, so we cannot generate large numbers up to the maximum
|
|
1206
|
* allowed ASN.1 size (2^159). We are limited to PHP_INT_MAX */
|
|
1207
|
return random_int(1, PHP_INT_MAX);
|
|
1208
|
}
|
|
1209
|
|
|
1210
|
/****f* certs/ca_has_serial
|
|
1211
|
* NAME
|
|
1212
|
* ca_has_serial - Check if a serial number is used by any certificate in a given CA
|
|
1213
|
* INPUTS
|
|
1214
|
* $ca : Certificate Authority to check
|
|
1215
|
* $serial: Serial number to check
|
|
1216
|
* RESULT
|
|
1217
|
* true if the serial number is in use by a certificate issued by this CA,
|
|
1218
|
* false otherwise.
|
|
1219
|
******/
|
|
1220
|
|
|
1221
|
function ca_has_serial($caref, $serial) {
|
|
1222
|
global $config;
|
|
1223
|
|
|
1224
|
foreach ($config['cert'] as $cert) {
|
|
1225
|
if (($cert['caref'] == $caref) &&
|
|
1226
|
(cert_get_serial($cert['crt'], true) == $serial)) {
|
|
1227
|
/* If this certificate is issued by the CA in question
|
|
1228
|
* and has a matching serial number, stop processing
|
|
1229
|
* and return true. */
|
|
1230
|
return true;
|
|
1231
|
}
|
|
1232
|
}
|
|
1233
|
|
|
1234
|
return false;
|
|
1235
|
}
|
|
1236
|
|
|
1237
|
/****f* certs/cert_get_random_serial
|
|
1238
|
* NAME
|
|
1239
|
* cert_get_random_serial - Generate a random certificate serial unique in a CA
|
|
1240
|
* INPUTS
|
|
1241
|
* $caref : Certificate Authority refid to test for serial uniqueness.
|
|
1242
|
* RESULT
|
|
1243
|
* Random serial number which is not in use by any known certificate in a CA
|
|
1244
|
******/
|
|
1245
|
|
|
1246
|
function cert_get_random_serial($caref) {
|
|
1247
|
/* Number of attempts to generate a usable serial. Multiple attempts
|
|
1248
|
* are necessary to ensure that the number is usable and unique. */
|
|
1249
|
$attempts = 10;
|
|
1250
|
|
|
1251
|
/* Default value, -1 indicates an error */
|
|
1252
|
$serial = -1;
|
|
1253
|
|
|
1254
|
for ($i=0; $i < $attempts; $i++) {
|
|
1255
|
/* Generate a random serial */
|
|
1256
|
$serial = cert_generate_serial();
|
|
1257
|
/* Check that the serial number is usable and unique:
|
|
1258
|
* * Cannot be 0
|
|
1259
|
* * Must be a valid ASN.1 serial number
|
|
1260
|
* * Cannot be used by any other certificate on this CA */
|
|
1261
|
if (($serial != 0) &&
|
|
1262
|
cert_validate_serial($serial) &&
|
|
1263
|
!ca_has_serial($caref, $serial)) {
|
|
1264
|
/* If all conditions are met, we have a good serial, so stop. */
|
|
1265
|
break;
|
|
1266
|
}
|
|
1267
|
}
|
|
1268
|
return $serial;
|
|
1269
|
}
|
|
1270
|
|
|
1271
|
/****f* certs/ca_get_next_serial
|
|
1272
|
* NAME
|
|
1273
|
* ca_get_next_serial - Get the next available serial number for a CA
|
|
1274
|
* INPUTS
|
|
1275
|
* $ca: Reference to a CA entry
|
|
1276
|
* RESULT
|
|
1277
|
* A randomized serial number (if enabled for a CA) or the next sequential value.
|
|
1278
|
******/
|
|
1279
|
|
|
1280
|
function ca_get_next_serial(& $ca) {
|
|
1281
|
$ca_serial = null;
|
|
1282
|
/* Get a randomized serial if enabled */
|
|
1283
|
if ($ca['randomserial'] == 'enabled') {
|
|
1284
|
$ca_serial = cert_get_random_serial($ca['refid']);
|
|
1285
|
}
|
|
1286
|
/* Initialize the sequential serial to be safe */
|
|
1287
|
if (empty($ca['serial'])) {
|
|
1288
|
$ca['serial'] = 0;
|
|
1289
|
}
|
|
1290
|
/* If not using a randomized serial, or randomizing the serial
|
|
1291
|
* failed, then fall back to sequential serials. */
|
|
1292
|
return (empty($ca_serial) || ($ca_serial == -1)) ? ++$ca['serial'] : $ca_serial;
|
|
1293
|
}
|
|
1294
|
|
|
1295
|
/****f* certs/crl_contains_cert
|
|
1296
|
* NAME
|
|
1297
|
* crl_contains_cert - Check if a certificate is present in a CRL
|
|
1298
|
* INPUTS
|
|
1299
|
* $crl : CRL to check
|
|
1300
|
* $cert: Certificate to test
|
|
1301
|
* RESULT
|
|
1302
|
* true if the CRL contains the certificate, false otherwise
|
|
1303
|
******/
|
|
1304
|
|
|
1305
|
function crl_contains_cert($crl, $cert) {
|
|
1306
|
global $config;
|
|
1307
|
if (!is_array($config['crl']) ||
|
|
1308
|
!is_array($crl['cert'])) {
|
|
1309
|
return false;
|
|
1310
|
}
|
|
1311
|
|
|
1312
|
/* Find the issuer of this CRL */
|
|
1313
|
$ca = lookup_ca($crl['caref']);
|
|
1314
|
$crlissuer = is_array($cert) ? cert_get_issuer($ca['crt']) : null;
|
|
1315
|
$serial = crl_get_entry_serial($cert);
|
|
1316
|
|
|
1317
|
/* Skip issuer match when sarching by serial instead of certificate */
|
|
1318
|
$issuer = is_array($cert) ? cert_get_issuer($cert['crt']) : null;
|
|
1319
|
|
|
1320
|
/* If the requested certificate was not issued by the
|
|
1321
|
* same CA as the CRL, then do not bother checking this
|
|
1322
|
* CRL. */
|
|
1323
|
if ($issuer != $crlissuer) {
|
|
1324
|
return false;
|
|
1325
|
}
|
|
1326
|
|
|
1327
|
/* Check CRL entries to see if the certificate serial is revoked */
|
|
1328
|
foreach ($crl['cert'] as $rcert) {
|
|
1329
|
if (crl_get_entry_serial($rcert) == $serial) {
|
|
1330
|
return true;
|
|
1331
|
}
|
|
1332
|
}
|
|
1333
|
|
|
1334
|
/* Certificate was not found in the CRL */
|
|
1335
|
return false;
|
|
1336
|
}
|
|
1337
|
|
|
1338
|
/****f* certs/is_cert_revoked
|
|
1339
|
* NAME
|
|
1340
|
* is_cert_revoked - Test if a given certificate or serial is revoked
|
|
1341
|
* INPUTS
|
|
1342
|
* $cert : Certificate entry or serial number to test
|
|
1343
|
* $crlref: CRL to check for revoked entries, or empty to check all CRLs
|
|
1344
|
* RESULT
|
|
1345
|
* true if the requested entry is revoked
|
|
1346
|
* false if the requested entry is not revoked
|
|
1347
|
******/
|
|
1348
|
|
|
1349
|
function is_cert_revoked($cert, $crlref = "") {
|
|
1350
|
global $config;
|
|
1351
|
if (!is_array($config['crl'])) {
|
|
1352
|
return false;
|
|
1353
|
}
|
|
1354
|
|
|
1355
|
if (!empty($crlref)) {
|
|
1356
|
$crl = lookup_crl($crlref);
|
|
1357
|
return crl_contains_cert($crl, $cert);
|
|
1358
|
} else {
|
|
1359
|
if (!is_array($cert)) {
|
|
1360
|
/* If passed a serial, then it cannot be definitively
|
|
1361
|
* matched in this way since we do not know the CA
|
|
1362
|
* associated with the bare serial. */
|
|
1363
|
return null;
|
|
1364
|
}
|
|
1365
|
|
|
1366
|
/* Check every CRL in the configuration for a match */
|
|
1367
|
foreach ($config['crl'] as $crl) {
|
|
1368
|
if (!is_array($crl['cert'])) {
|
|
1369
|
continue;
|
|
1370
|
}
|
|
1371
|
if (crl_contains_cert($crl, $cert)) {
|
|
1372
|
return true;
|
|
1373
|
}
|
|
1374
|
}
|
|
1375
|
}
|
|
1376
|
return false;
|
|
1377
|
}
|
|
1378
|
|
|
1379
|
function is_openvpn_server_crl($crlref) {
|
|
1380
|
global $config;
|
|
1381
|
if (!is_array($config['openvpn']['openvpn-server'])) {
|
|
1382
|
return;
|
|
1383
|
}
|
|
1384
|
foreach ($config['openvpn']['openvpn-server'] as $ovpns) {
|
|
1385
|
if (!empty($ovpns['crlref']) && ($ovpns['crlref'] == $crlref)) {
|
|
1386
|
return true;
|
|
1387
|
}
|
|
1388
|
}
|
|
1389
|
return false;
|
|
1390
|
}
|
|
1391
|
|
|
1392
|
// Keep this general to allow for future expansion. See cert_in_use() above.
|
|
1393
|
function crl_in_use($crlref) {
|
|
1394
|
return (is_openvpn_server_crl($crlref));
|
|
1395
|
}
|
|
1396
|
|
|
1397
|
function is_crl_internal($crl) {
|
|
1398
|
return (!(!empty($crl['text']) && empty($crl['cert'])) || ($crl["method"] == "internal"));
|
|
1399
|
}
|
|
1400
|
|
|
1401
|
function cert_get_cn($crt, $isref = false) {
|
|
1402
|
/* If this is a certref, not an actual cert, look up the cert first */
|
|
1403
|
if ($isref) {
|
|
1404
|
$cert = lookup_cert($crt);
|
|
1405
|
/* If it's not a valid cert, bail. */
|
|
1406
|
if (!(is_array($cert) && !empty($cert['crt']))) {
|
|
1407
|
return "";
|
|
1408
|
}
|
|
1409
|
$cert = $cert['crt'];
|
|
1410
|
} else {
|
|
1411
|
$cert = $crt;
|
|
1412
|
}
|
|
1413
|
$sub = cert_get_subject_array($cert);
|
|
1414
|
if (is_array($sub)) {
|
|
1415
|
foreach ($sub as $s) {
|
|
1416
|
if (strtoupper($s['a']) == "CN") {
|
|
1417
|
return $s['v'];
|
|
1418
|
}
|
|
1419
|
}
|
|
1420
|
}
|
|
1421
|
return "";
|
|
1422
|
}
|
|
1423
|
|
|
1424
|
function cert_escape_x509_chars($str, $reverse = false) {
|
|
1425
|
/* Characters which need escaped when present in x.509 fields.
|
|
1426
|
* See https://www.ietf.org/rfc/rfc4514.txt
|
|
1427
|
*
|
|
1428
|
* The backslash (\) must be listed first in these arrays!
|
|
1429
|
*/
|
|
1430
|
$cert_directory_string_special_chars = array('\\', '"', '#', '+', ',', ';', '<', '=', '>');
|
|
1431
|
$cert_directory_string_special_chars_esc = array('\\\\', '\"', '\#', '\+', '\,', '\;', '\<', '\=', '\>');
|
|
1432
|
if ($reverse) {
|
|
1433
|
return str_replace($cert_directory_string_special_chars_esc, $cert_directory_string_special_chars, $str);
|
|
1434
|
} else {
|
|
1435
|
/* First unescape and then escape again, to prevent possible double escaping. */
|
|
1436
|
return str_replace($cert_directory_string_special_chars, $cert_directory_string_special_chars_esc, cert_escape_x509_chars($str, true));
|
|
1437
|
}
|
|
1438
|
}
|
|
1439
|
|
|
1440
|
function cert_add_altname_type($str) {
|
|
1441
|
$type = "";
|
|
1442
|
if (is_ipaddr($str)) {
|
|
1443
|
$type = "IP";
|
|
1444
|
} elseif (is_hostname($str, true)) {
|
|
1445
|
$type = "DNS";
|
|
1446
|
} elseif (is_URL($str)) {
|
|
1447
|
$type = "URI";
|
|
1448
|
} elseif (filter_var($str, FILTER_VALIDATE_EMAIL)) {
|
|
1449
|
$type = "email";
|
|
1450
|
}
|
|
1451
|
if (!empty($type)) {
|
|
1452
|
return "{$type}:" . cert_escape_x509_chars($str);
|
|
1453
|
} else {
|
|
1454
|
return null;
|
|
1455
|
}
|
|
1456
|
}
|
|
1457
|
|
|
1458
|
function cert_type_config_section($type) {
|
|
1459
|
switch ($type) {
|
|
1460
|
case "ca":
|
|
1461
|
$cert_type = "v3_ca";
|
|
1462
|
break;
|
|
1463
|
case "server":
|
|
1464
|
case "self-signed":
|
|
1465
|
$cert_type = "server";
|
|
1466
|
break;
|
|
1467
|
default:
|
|
1468
|
$cert_type = "usr_cert";
|
|
1469
|
break;
|
|
1470
|
}
|
|
1471
|
return $cert_type;
|
|
1472
|
}
|
|
1473
|
|
|
1474
|
/****f* certs/is_cert_locally_renewable
|
|
1475
|
* NAME
|
|
1476
|
* is_cert_locally_renewable - Check to see if an existing certificate can be
|
|
1477
|
* renewed by a local internal CA.
|
|
1478
|
* INPUTS
|
|
1479
|
* $cert : The certificate to be tested
|
|
1480
|
* RESULT
|
|
1481
|
* true if the certificate can be locally renewed, false otherwise.
|
|
1482
|
******/
|
|
1483
|
|
|
1484
|
function is_cert_locally_renewable($cert) {
|
|
1485
|
/* If there is no certificate or private key string, this entry is either
|
|
1486
|
* invalid or cannot be renewed. */
|
|
1487
|
if (empty($cert['crt']) || empty($cert['prv'])) {
|
|
1488
|
return false;
|
|
1489
|
}
|
|
1490
|
|
|
1491
|
/* Get subject and issuer values to test for self-signed state */
|
|
1492
|
$subj = cert_get_subject($cert['crt']);
|
|
1493
|
$issuer = cert_get_issuer($cert['crt']);
|
|
1494
|
|
|
1495
|
/* Lookup CA for this certificate */
|
|
1496
|
$ca = array();
|
|
1497
|
if (!empty($cert['caref'])) {
|
|
1498
|
$ca = lookup_ca($cert['caref']);
|
|
1499
|
}
|
|
1500
|
|
|
1501
|
/* If the CA exists and we have the private key, or if the cert is
|
|
1502
|
* self-signed, then it can be locally renewed. */
|
|
1503
|
return ((!empty($ca) && !empty($ca['prv'])) || ($subj == $issuer));
|
|
1504
|
}
|
|
1505
|
|
|
1506
|
/* Strict certificate requirements based on
|
|
1507
|
* https://redmine.pfsense.org/issues/9825
|
|
1508
|
*/
|
|
1509
|
global $cert_strict_values;
|
|
1510
|
$cert_strict_values = array(
|
|
1511
|
'max_server_cert_lifetime' => 825,
|
|
1512
|
'digest_blacklist' => array('md4', 'RSA-MD4', 'md5', 'RSA-MD5', 'md5-sha1',
|
|
1513
|
'mdc2', 'RSA-MDC2', 'sha1', 'RSA-SHA1',
|
|
1514
|
'RSA-SHA1-2'),
|
|
1515
|
'min_private_key_bits' => 2048,
|
|
1516
|
);
|
|
1517
|
|
|
1518
|
/****f* certs/cert_renew
|
|
1519
|
* NAME
|
|
1520
|
* cert_renew - Renew an existing internal CA or certificate
|
|
1521
|
* INPUTS
|
|
1522
|
* $cert : The entry to be renewed (used as a reference so it can be altered directly)
|
|
1523
|
* $reusekey : Whether or not to reuse the existing key for the certificate
|
|
1524
|
* true: Reuse the existing key (Default)
|
|
1525
|
* false: Generate a new key based on current (or enforced minimum) parameters
|
|
1526
|
* $strictsecurity : Whether or not to enforce stricter security for specific attributes
|
|
1527
|
* true: Enforce maximum lifetime for server certs, minimum digest type, and
|
|
1528
|
* minimum private key size. See https://redmine.pfsense.org/issues/9825
|
|
1529
|
* false: Use existing values as-is (Default).
|
|
1530
|
* RESULT
|
|
1531
|
* true if successful, false if failure.
|
|
1532
|
* NOTES
|
|
1533
|
* See https://redmine.pfsense.org/issues/9842 for more information on behavior.
|
|
1534
|
* Does NOT run write_config(), that must be performed by the caller.
|
|
1535
|
******/
|
|
1536
|
|
|
1537
|
function cert_renew(& $cert, $reusekey = true, $strictsecurity = false) {
|
|
1538
|
global $cert_strict_values;
|
|
1539
|
|
|
1540
|
/* If there is no certificate or private key string, this entry is either
|
|
1541
|
* invalid or cannot be renewed by this function. */
|
|
1542
|
if (empty($cert['crt']) || empty($cert['prv'])) {
|
|
1543
|
return false;
|
|
1544
|
}
|
|
1545
|
|
|
1546
|
/* Read certificate information necessary to create a new request */
|
|
1547
|
$cert_details = openssl_x509_parse(base64_decode($cert['crt']));
|
|
1548
|
|
|
1549
|
/* No details, must not be valid in some way */
|
|
1550
|
if (!array($cert_details) || empty($cert_details)) {
|
|
1551
|
return false;
|
|
1552
|
}
|
|
1553
|
|
|
1554
|
$subj = cert_get_subject($cert['crt']);
|
|
1555
|
$issuer = cert_get_issuer($cert['crt']);
|
|
1556
|
|
|
1557
|
$res_key = openssl_pkey_get_private(base64_decode($cert['prv']));
|
|
1558
|
$key_details = openssl_pkey_get_details($res_key);
|
|
1559
|
|
|
1560
|
/* Form a new Distinguished Name from the existing values.
|
|
1561
|
* Note: Deprecated/unsupported DN fields may not be carried forward, but
|
|
1562
|
* may be preserved to avoid altering a subject.
|
|
1563
|
*/
|
|
1564
|
$subject_map = array(
|
|
1565
|
'CN' => 'commonName',
|
|
1566
|
'C' => 'countryName',
|
|
1567
|
'ST' => 'stateOrProvinceName',
|
|
1568
|
'L' => 'localityName',
|
|
1569
|
'O' => 'organizationName',
|
|
1570
|
'OU' => 'organizationalUnitName',
|
|
1571
|
'emailAddress' => 'emailAddress', /* deprecated, but commonly found in older entries */
|
|
1572
|
);
|
|
1573
|
$dn = array();
|
|
1574
|
/* This is necessary to ensure the order of subject components is
|
|
1575
|
* identical on the old and new certificate. */
|
|
1576
|
foreach ($cert_details['subject'] as $p => $v) {
|
|
1577
|
if (array_key_exists($p, $subject_map)) {
|
|
1578
|
$dn[$subject_map[$p]] = $v;
|
|
1579
|
}
|
|
1580
|
}
|
|
1581
|
|
|
1582
|
/* Test for self-signed or signed by a CA */
|
|
1583
|
$selfsigned = ($subj == $issuer);
|
|
1584
|
|
|
1585
|
/* Determine the type if it is not specified directly */
|
|
1586
|
if (array_key_exists('serial', $cert)) {
|
|
1587
|
/* If a serial value is present, this must be a CA */
|
|
1588
|
$cert['type'] = 'ca';
|
|
1589
|
} elseif (empty($cert['type'])) {
|
|
1590
|
/* Assume server certificate if empty & non-CA (e.g. self-signed) */
|
|
1591
|
$cert['type'] = 'server';
|
|
1592
|
}
|
|
1593
|
|
|
1594
|
/* Convert the internal certificate type to an openssl.cnf section name */
|
|
1595
|
$cert_type = cert_type_config_section($cert['type']);
|
|
1596
|
if ($cert['type'] != 'ca') {
|
|
1597
|
$cert_type .= '_san';
|
|
1598
|
}
|
|
1599
|
|
|
1600
|
/* Reuse lifetime (convert seconds to days) */
|
|
1601
|
$lifetime = (int) round(($cert_details['validTo_time_t'] - $cert_details['validFrom_time_t']) / 86400);
|
|
1602
|
|
|
1603
|
/* If we are enforcing strict security, then cap the lifetime for server certificates */
|
|
1604
|
if (($cert_type == 'server_san') && $strictsecurity &&
|
|
1605
|
($lifetime > $cert_strict_values['max_server_cert_lifetime'])) {
|
|
1606
|
$lifetime = $cert_strict_values['max_server_cert_lifetime'];
|
|
1607
|
}
|
|
1608
|
|
|
1609
|
/* Reuse SAN list, or, if empty, add CN as SAN. */
|
|
1610
|
$sans = $cert_details['extensions']['subjectAltName'];
|
|
1611
|
if (empty($sans)) {
|
|
1612
|
$sans = cert_add_altname_type($dn['commonName']);
|
|
1613
|
}
|
|
1614
|
|
|
1615
|
/* subjectAltName can be set _only_ via configuration file, so put the
|
|
1616
|
* value into the environment where it will be read from the configuration */
|
|
1617
|
putenv("SAN={$sans}");
|
|
1618
|
|
|
1619
|
/* If we are enforcing strict security, then check the digest against a
|
|
1620
|
* blacklist of insecure digest methods. */
|
|
1621
|
$digest_alg = $cert_details['signatureTypeSN'];
|
|
1622
|
if ($strictsecurity &&
|
|
1623
|
(in_array($digest_alg, $cert_strict_values['digest_blacklist']))) {
|
|
1624
|
$digest_alg = 'sha256';
|
|
1625
|
}
|
|
1626
|
|
|
1627
|
/* If we are enforcing strict security, then ensure the private key size
|
|
1628
|
* is at least 2048 bits. */
|
|
1629
|
$private_key_bits = $key_details['bits'];
|
|
1630
|
if ($strictsecurity &&
|
|
1631
|
($private_key_bits < $cert_strict_values['min_private_key_bits'])) {
|
|
1632
|
$private_key_bits = $cert_strict_values['min_private_key_bits'];
|
|
1633
|
$reusekey = false;
|
|
1634
|
}
|
|
1635
|
|
|
1636
|
/* Validate key type, assume RSA if it cannot be read. */
|
|
1637
|
if (is_array($key_details) && array_key_exists('type', $key_details)) {
|
|
1638
|
$private_key_type = $key_details['type'];
|
|
1639
|
} else {
|
|
1640
|
$private_key_type = OPENSSL_KEYTYPE_RSA;
|
|
1641
|
}
|
|
1642
|
|
|
1643
|
/* Setup certificate and key arguments */
|
|
1644
|
$args = array(
|
|
1645
|
"x509_extensions" => $cert_type,
|
|
1646
|
"digest_alg" => $digest_alg,
|
|
1647
|
"private_key_bits" => (int)$private_key_bits,
|
|
1648
|
"private_key_type" => $private_key_type,
|
|
1649
|
"encrypt_key" => false);
|
|
1650
|
|
|
1651
|
/* Adjust argumnents to account for ECDSA keys. */
|
|
1652
|
if (($key_details['type'] == OPENSSL_KEYTYPE_EC) &&
|
|
1653
|
(!empty($key_details['ec']['curve_name']))) {
|
|
1654
|
$args['curve_name'] = $key_details['ec']['curve_name'];
|
|
1655
|
}
|
|
1656
|
|
|
1657
|
/* Make a new key if necessary */
|
|
1658
|
if (!$res_key || !$reusekey) {
|
|
1659
|
$res_key = openssl_pkey_new($args);
|
|
1660
|
if (!$res_key) {
|
|
1661
|
return false;
|
|
1662
|
}
|
|
1663
|
}
|
|
1664
|
|
|
1665
|
/* Create a new CSR from derived parameters and key */
|
|
1666
|
$res_csr = openssl_csr_new($dn, $res_key, $args);
|
|
1667
|
/* If the CSR could not be created, bail */
|
|
1668
|
if (!$res_csr) {
|
|
1669
|
return false;
|
|
1670
|
}
|
|
1671
|
|
|
1672
|
if (!empty($cert['caref'])) {
|
|
1673
|
/* The certificate was signed by a CA, so read the CA details. */
|
|
1674
|
$ca = & lookup_ca($cert['caref']);
|
|
1675
|
/* If the referenced CA cannot be found, bail. */
|
|
1676
|
if (!$ca) {
|
|
1677
|
return false;
|
|
1678
|
}
|
|
1679
|
$ca_str_crt = base64_decode($ca['crt']);
|
|
1680
|
$ca_str_key = base64_decode($ca['prv']);
|
|
1681
|
$ca_res_crt = openssl_x509_read($ca_str_crt);
|
|
1682
|
$ca_res_key = openssl_pkey_get_private(array(0 => $ca_str_key, 1 => ""));
|
|
1683
|
if (!$ca_res_key) {
|
|
1684
|
/* If the CA key cannot be read, bail. */
|
|
1685
|
return false;
|
|
1686
|
}
|
|
1687
|
/* If the CA does not have a serial number, assume 0. */
|
|
1688
|
if (empty($ca['serial'])) {
|
|
1689
|
$ca['serial'] = 0;
|
|
1690
|
}
|
|
1691
|
/* Get the next available CA serial number. */
|
|
1692
|
$ca_serial = ca_get_next_serial($ca);
|
|
1693
|
} elseif ($selfsigned) {
|
|
1694
|
/* For self-signed CAs & certificates, set the CA details to self and
|
|
1695
|
* use the key for this entry to sign itself.
|
|
1696
|
*/
|
|
1697
|
$ca_res_crt = null;
|
|
1698
|
$ca_res_key = $res_key;
|
|
1699
|
$ca_serial = 0; /* TODO: Check if we should increment from previous */
|
|
1700
|
}
|
|
1701
|
|
|
1702
|
/* Sign the CSR */
|
|
1703
|
$res_crt = openssl_csr_sign($res_csr, $ca_res_crt, $ca_res_key, $lifetime,
|
|
1704
|
$args, $ca_serial);
|
|
1705
|
/* If the CSR could not be signed, bail */
|
|
1706
|
if (!$res_crt) {
|
|
1707
|
return false;
|
|
1708
|
}
|
|
1709
|
|
|
1710
|
/* Attempt to read the key and certificate and if that fails, bail */
|
|
1711
|
if (!openssl_pkey_export($res_key, $str_key) ||
|
|
1712
|
!openssl_x509_export($res_crt, $str_crt)) {
|
|
1713
|
return false;
|
|
1714
|
}
|
|
1715
|
|
|
1716
|
/* Load the new certificate string and key into the configuration */
|
|
1717
|
$cert['crt'] = base64_encode($str_crt);
|
|
1718
|
$cert['prv'] = base64_encode($str_key);
|
|
1719
|
|
|
1720
|
return true;
|
|
1721
|
}
|
|
1722
|
|
|
1723
|
/****f* certs/cert_get_all_services
|
|
1724
|
* NAME
|
|
1725
|
* cert_get_all_services - Locate services using a given certificate
|
|
1726
|
* INPUTS
|
|
1727
|
* $refid: The refid of a certificate to check
|
|
1728
|
* RESULT
|
|
1729
|
* array containing the services which use this certificate, including:
|
|
1730
|
* webgui: Present and true if the WebGUI uses this certificate. Unset otherwise.
|
|
1731
|
* services: Array of service definitions using this certificate, with:
|
|
1732
|
* name: Name of the service
|
|
1733
|
* extras: Extra information needed by some services, such as OpenVPN or Captive Portal.
|
|
1734
|
* packages: Array containing package names using this certificate.
|
|
1735
|
******/
|
|
1736
|
|
|
1737
|
function cert_get_all_services($refid) {
|
|
1738
|
global $config;
|
|
1739
|
$services = array();
|
|
1740
|
$services['services'] = array();
|
|
1741
|
$services['packages'] = array();
|
|
1742
|
|
|
1743
|
/* Only set if true, otherwise leave unset. */
|
|
1744
|
if (is_webgui_cert($refid)) {
|
|
1745
|
$services['webgui'] = true;
|
|
1746
|
}
|
|
1747
|
|
|
1748
|
init_config_arr(array('openvpn', 'openvpn-server'));
|
|
1749
|
init_config_arr(array('openvpn', 'openvpn-client'));
|
|
1750
|
/* Find all OpenVPN clients and servers which use this certificate */
|
|
1751
|
foreach(array('server', 'client') as $mode) {
|
|
1752
|
foreach ($config['openvpn']["openvpn-{$mode}"] as $ovpn) {
|
|
1753
|
if ($ovpn['certref'] == $refid) {
|
|
1754
|
/* OpenVPN instances are restarted individually,
|
|
1755
|
* so we need to note the mode and ID. */
|
|
1756
|
$services['services'][] = array(
|
|
1757
|
'name' => 'openvpn',
|
|
1758
|
'extras' => array(
|
|
1759
|
'vpnmode' => $mode,
|
|
1760
|
'id' => $ovpn['vpnid']
|
|
1761
|
)
|
|
1762
|
);
|
|
1763
|
}
|
|
1764
|
}
|
|
1765
|
}
|
|
1766
|
|
|
1767
|
/* If any one IPsec tunnel uses this certificate then the whole service
|
|
1768
|
* needs a bump. */
|
|
1769
|
init_config_arr(array('ipsec', 'phase1'));
|
|
1770
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
1771
|
if (($ipsec['authentication_method'] == 'rsasig') &&
|
|
1772
|
($ipsec['certref'] == $refid)) {
|
|
1773
|
$services['services'][] = array('name' => 'ipsec');
|
|
1774
|
/* Stop after finding one, no need to search for more. */
|
|
1775
|
break;
|
|
1776
|
}
|
|
1777
|
}
|
|
1778
|
|
|
1779
|
/* Check to see if any HTTPS-enabled Captive Portal zones use this
|
|
1780
|
* certificate. */
|
|
1781
|
init_config_arr(array('captiveportal'));
|
|
1782
|
foreach ($config['captiveportal'] as $zone => $portal) {
|
|
1783
|
if (isset($portal['enable']) && isset($portal['httpslogin']) &&
|
|
1784
|
($portal['certref'] == $refid)) {
|
|
1785
|
/* Captive Portal zones are restarted individually, so
|
|
1786
|
* we need to note the zone name. */
|
|
1787
|
$services['services'][] = array(
|
|
1788
|
'name' => 'captiveportal',
|
|
1789
|
'extras' => array(
|
|
1790
|
'zone' => $zone,
|
|
1791
|
)
|
|
1792
|
);
|
|
1793
|
}
|
|
1794
|
}
|
|
1795
|
|
|
1796
|
/* Locate any packages using this certificate */
|
|
1797
|
$pkgcerts = pkg_call_plugins('plugin_certificates', array('type' => 'certificates', 'event' => 'used_certificates'));
|
|
1798
|
foreach ($pkgcerts as $name => $package) {
|
|
1799
|
if (is_array($package['certificatelist'][$refid]) &&
|
|
1800
|
isset($package['certificatelist'][$refid]) > 0) {
|
|
1801
|
$services['packages'][] = $name;
|
|
1802
|
}
|
|
1803
|
}
|
|
1804
|
|
|
1805
|
return $services;
|
|
1806
|
}
|
|
1807
|
|
|
1808
|
/****f* certs/ca_get_all_services
|
|
1809
|
* NAME
|
|
1810
|
* ca_get_all_services - Locate services using a given certificate authority or its decendents
|
|
1811
|
* INPUTS
|
|
1812
|
* $refid: The refid of a certificate authority to check
|
|
1813
|
* RESULT
|
|
1814
|
* array containing the services which use this certificate authority, including:
|
|
1815
|
* webgui: Present and true if the WebGUI uses this certificate. Unset otherwise.
|
|
1816
|
* services: Array of service definitions using this certificate, with:
|
|
1817
|
* name: Name of the service
|
|
1818
|
* extras: Extra information needed by some services, such as OpenVPN or Captive Portal.
|
|
1819
|
* packages: Array containing package names using this certificate.
|
|
1820
|
* NOTES
|
|
1821
|
* This searches recursively to find entries using this CA as well as intermediate
|
|
1822
|
* CAs and certificates signed by this CA, and returns a single set of all services.
|
|
1823
|
* This avoids restarting affected services multiple times when there is overlapping
|
|
1824
|
* usage.
|
|
1825
|
******/
|
|
1826
|
function ca_get_all_services($refid) {
|
|
1827
|
global $config;
|
|
1828
|
$services = array();
|
|
1829
|
$services['services'] = array();
|
|
1830
|
|
|
1831
|
init_config_arr(array('openvpn', 'openvpn-server'));
|
|
1832
|
init_config_arr(array('openvpn', 'openvpn-client'));
|
|
1833
|
foreach(array('server', 'client') as $mode) {
|
|
1834
|
foreach ($config['openvpn']["openvpn-{$mode}"] as $ovpn) {
|
|
1835
|
if ($ovpn['caref'] == $refid) {
|
|
1836
|
$services['services'][] = array(
|
|
1837
|
'name' => 'openvpn',
|
|
1838
|
'extras' => array(
|
|
1839
|
'vpnmode' => $mode,
|
|
1840
|
'id' => $ovpn['vpnid']
|
|
1841
|
)
|
|
1842
|
);
|
|
1843
|
}
|
|
1844
|
}
|
|
1845
|
}
|
|
1846
|
init_config_arr(array('ipsec', 'phase1'));
|
|
1847
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
1848
|
if ($ipsec['certref'] == $refid) {
|
|
1849
|
break;
|
|
1850
|
}
|
|
1851
|
}
|
|
1852
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
1853
|
if (($ipsec['authentication_method'] == 'rsasig') &&
|
|
1854
|
($ipsec['caref'] == $refid)) {
|
|
1855
|
$services['services'][] = array('name' => 'ipsec');
|
|
1856
|
break;
|
|
1857
|
}
|
|
1858
|
}
|
|
1859
|
|
|
1860
|
/* Loop through all certs and get their services as well */
|
|
1861
|
init_config_arr(array('cert'));
|
|
1862
|
foreach ($config['cert'] as $cert) {
|
|
1863
|
if ($cert['caref'] == $refid) {
|
|
1864
|
$services = array_merge_recursive_unique($services, cert_get_all_services($cert['refid']));
|
|
1865
|
}
|
|
1866
|
}
|
|
1867
|
|
|
1868
|
/* Look for intermediate certs and services */
|
|
1869
|
init_config_arr(array('ca'));
|
|
1870
|
foreach ($config['ca'] as $cert) {
|
|
1871
|
if ($cert['caref'] == $refid) {
|
|
1872
|
$services = array_merge_recursive_unique($services, ca_get_all_services($cert['refid']));
|
|
1873
|
}
|
|
1874
|
}
|
|
1875
|
|
|
1876
|
return $services;
|
|
1877
|
}
|
|
1878
|
|
|
1879
|
/****f* certs/cert_restart_services
|
|
1880
|
* NAME
|
|
1881
|
* cert_restart_services - Restarts services specific to CA/Certificate usage
|
|
1882
|
* INPUTS
|
|
1883
|
* $services: An array of services returned by cert_get_all_services or ca_get_all_services
|
|
1884
|
* RESULT
|
|
1885
|
* Services in the given array are restarted
|
|
1886
|
* returns false if the input is invalid
|
|
1887
|
* returns true at the end of execution
|
|
1888
|
******/
|
|
1889
|
|
|
1890
|
function cert_restart_services($services) {
|
|
1891
|
/* If the input is not an array, it is invalid. */
|
|
1892
|
if (!is_array($services)) {
|
|
1893
|
return false;
|
|
1894
|
}
|
|
1895
|
|
|
1896
|
/* Base string to log when restarting a service */
|
|
1897
|
$restart_string = gettext('Restarting %s %s due to certificate change');
|
|
1898
|
|
|
1899
|
/* Restart GUI: */
|
|
1900
|
if ($services['webgui']) {
|
|
1901
|
ob_flush();
|
|
1902
|
flush();
|
|
1903
|
log_error(sprintf($restart_string, gettext('service'), 'WebGUI'));
|
|
1904
|
send_event("service restart webgui");
|
|
1905
|
}
|
|
1906
|
|
|
1907
|
/* Restart other base services: */
|
|
1908
|
if (is_array($services['services'])) {
|
|
1909
|
foreach ($services['services'] as $service) {
|
|
1910
|
switch ($service['name']) {
|
|
1911
|
case 'openvpn':
|
|
1912
|
$service_name = "{$service['name']} {$service['extras']['vpnmode']} {$service['extras']['id']}";
|
|
1913
|
break;
|
|
1914
|
case 'captiveportal':
|
|
1915
|
$service_name = "{$service['name']} zone {$service['extras']['zone']}";
|
|
1916
|
break;
|
|
1917
|
default:
|
|
1918
|
$service_name = $service['name'];
|
|
1919
|
}
|
|
1920
|
log_error(sprintf($restart_string, gettext('service'), $service_name));
|
|
1921
|
service_control_restart($service['name'], $service['extras']);
|
|
1922
|
}
|
|
1923
|
}
|
|
1924
|
|
|
1925
|
/* Restart Packages: */
|
|
1926
|
if (is_array($services['packages'])) {
|
|
1927
|
foreach ($services['packages'] as $service) {
|
|
1928
|
log_error(sprintf($restart_string, gettext('package'), $service));
|
|
1929
|
restart_service($service);
|
|
1930
|
}
|
|
1931
|
}
|
|
1932
|
return true;
|
|
1933
|
}
|
|
1934
|
|
|
1935
|
/****f* certs/cert_get_lifetime
|
|
1936
|
* NAME
|
|
1937
|
* cert_get_lifetime - Returns the number of days the certificate is valid
|
|
1938
|
* INPUTS
|
|
1939
|
* $untilexpire: Boolean
|
|
1940
|
* true: The number of days returned is from now until the certificate expiration.
|
|
1941
|
* false (default): The number of days returned is the total lifetime of the certificate.
|
|
1942
|
* RESULT
|
|
1943
|
* Integer number of days in the certificate total or remaining lifetime
|
|
1944
|
******/
|
|
1945
|
|
|
1946
|
function cert_get_lifetime($cert, $untilexpire = false) {
|
|
1947
|
/* If the certificate is not valid, bail. */
|
|
1948
|
if (!is_array($cert) || empty($cert['crt'])) {
|
|
1949
|
return null;
|
|
1950
|
}
|
|
1951
|
/* Read certificate details */
|
|
1952
|
list($startdate, $enddate) = cert_get_dates($cert['crt'], true, false);
|
|
1953
|
|
|
1954
|
/* Determine which start time to use (now, or cert start) */
|
|
1955
|
$startdate = ($untilexpire) ? new DateTime("now") : $startdate;
|
|
1956
|
|
|
1957
|
/* Calculate the requested intervals */
|
|
1958
|
$interval = $startdate->diff($enddate);
|
|
1959
|
|
|
1960
|
return $interval->days;
|
|
1961
|
}
|
|
1962
|
|
|
1963
|
/****f* certs/cert_analyze_lifetime
|
|
1964
|
* NAME
|
|
1965
|
* cert_analyze_lifetime - Analyze a certificate lifetime for expiration notices
|
|
1966
|
* INPUTS
|
|
1967
|
* $expiredays: Number of days until the certificate expires (See cert_get_lifetime())
|
|
1968
|
* RESULT
|
|
1969
|
* An array of two entries:
|
|
1970
|
* 0/$lrclass: A bootstrap name for use with classes like text-<x>
|
|
1971
|
* 1/$expstring: A text analysis describing the expiration timeframe.
|
|
1972
|
******/
|
|
1973
|
|
|
1974
|
function cert_analyze_lifetime($expiredays) {
|
|
1975
|
global $config, $g;
|
|
1976
|
/* Number of days at which to warn of expiration. */
|
|
1977
|
init_config_arr(array('notifications', 'certexpire'));
|
|
1978
|
if (!isset($config['notifications']['certexpire']['expiredays']) ||
|
|
1979
|
empty($config['notifications']['certexpire']['expiredays'])) {
|
|
1980
|
$warning_days = $g['default_cert_expiredays'];
|
|
1981
|
} else {
|
|
1982
|
$warning_days = $config['notifications']['certexpire']['expiredays'];
|
|
1983
|
}
|
|
1984
|
|
|
1985
|
if ($expiredays > $warning_days) {
|
|
1986
|
/* Not expiring soon */
|
|
1987
|
$lrclass = 'normal';
|
|
1988
|
$expstring = gettext("%d %s until expiration");
|
|
1989
|
} elseif ($expiredays > 0) {
|
|
1990
|
/* Still valid but expiring soon */
|
|
1991
|
$lrclass = 'warning';
|
|
1992
|
$expstring = gettext("Expiring soon, in %d %s");
|
|
1993
|
} else {
|
|
1994
|
/* Certificate has expired */
|
|
1995
|
$lrclass = 'danger';
|
|
1996
|
$expstring = gettext("Expired %d %s ago");
|
|
1997
|
}
|
|
1998
|
$days = (abs($expiredays) == 1) ? gettext('day') : gettext('days');
|
|
1999
|
$expstring = sprintf($expstring, abs($expiredays), $days);
|
|
2000
|
return array($lrclass, $expstring);
|
|
2001
|
}
|
|
2002
|
|
|
2003
|
/****f* certs/cert_print_dates
|
|
2004
|
* NAME
|
|
2005
|
* cert_print_dates - Print the start and end timestamps for the given certificate
|
|
2006
|
* INPUTS
|
|
2007
|
* $cert: CA or Cert entry for which the dates will be printed
|
|
2008
|
* RESULT
|
|
2009
|
* Returns null if the passed entry is invalid
|
|
2010
|
* Otherwise, outputs the dates to the user with formatting.
|
|
2011
|
******/
|
|
2012
|
|
|
2013
|
function cert_print_dates($cert) {
|
|
2014
|
/* If the certificate is not valid, bail. */
|
|
2015
|
if (!is_array($cert) || empty($cert['crt'])) {
|
|
2016
|
return null;
|
|
2017
|
}
|
|
2018
|
/* Attempt to extract the dates from the certificate */
|
|
2019
|
list($startdate, $enddate) = cert_get_dates($cert['crt']);
|
|
2020
|
/* If either of the timestamps are empty, then do not print anything.
|
|
2021
|
* The entry may not be valid or it may just be missing date information */
|
|
2022
|
if (empty($startdate) || empty($enddate)) {
|
|
2023
|
return null;
|
|
2024
|
}
|
|
2025
|
/* Get the expiration days */
|
|
2026
|
$expiredays = cert_get_lifetime($cert, true);
|
|
2027
|
/* Analyze the lifetime value */
|
|
2028
|
list($lrclass, $expstring) = cert_analyze_lifetime($expiredays);
|
|
2029
|
/* Output the dates, with a tooltip showing days until expiration, and
|
|
2030
|
* a visual indication of warning/expired status. */
|
|
2031
|
?>
|
|
2032
|
<br />
|
|
2033
|
<small>
|
|
2034
|
<?=gettext("Valid From")?>: <b><?=$startdate ?></b><br />
|
|
2035
|
<?=gettext("Valid Until")?>:
|
|
2036
|
<span class="text-<?=$lrclass?>" data-toggle="tooltip" data-placement="bottom" title="<?= $expstring ?>">
|
|
2037
|
<b><?=$enddate ?></b>
|
|
2038
|
</span>
|
|
2039
|
</small>
|
|
2040
|
<?php
|
|
2041
|
}
|
|
2042
|
|
|
2043
|
/****f* certs/cert_print_infoblock
|
|
2044
|
* NAME
|
|
2045
|
* cert_print_infoblock - Print an information block containing certificate details
|
|
2046
|
* INPUTS
|
|
2047
|
* $cert: CA or Cert entry for which the information will be printed
|
|
2048
|
* RESULT
|
|
2049
|
* Returns null if the passed entry is invalid
|
|
2050
|
* Otherwise, outputs information to the user with formatting.
|
|
2051
|
******/
|
|
2052
|
|
|
2053
|
function cert_print_infoblock($cert) {
|
|
2054
|
/* If the certificate is not valid, bail. */
|
|
2055
|
if (!is_array($cert) || empty($cert['crt'])) {
|
|
2056
|
return null;
|
|
2057
|
}
|
|
2058
|
/* Variable to hold the formatted information */
|
|
2059
|
$certextinfo = "";
|
|
2060
|
|
|
2061
|
/* Serial number */
|
|
2062
|
$cert_details = openssl_x509_parse(base64_decode($cert['crt']));
|
|
2063
|
if (isset($cert_details['serialNumber']) && (strlen($cert_details['serialNumber']) > 0)) {
|
|
2064
|
$certextinfo .= '<b>' . gettext("Serial: ") . '</b> ';
|
|
2065
|
$certextinfo .= htmlspecialchars(cert_escape_x509_chars($cert_details['serialNumber'], true));
|
|
2066
|
$certextinfo .= '<br/>';
|
|
2067
|
}
|
|
2068
|
|
|
2069
|
/* Digest type */
|
|
2070
|
$certsig = cert_get_sigtype($cert['crt']);
|
|
2071
|
if (is_array($certsig) && !empty($certsig) && !empty($certsig['shortname'])) {
|
|
2072
|
$certextinfo .= '<b>' . gettext("Signature Digest: ") . '</b> ';
|
|
2073
|
$certextinfo .= htmlspecialchars(cert_escape_x509_chars($certsig['shortname'], true));
|
|
2074
|
$certextinfo .= '<br/>';
|
|
2075
|
}
|
|
2076
|
|
|
2077
|
/* Subject Alternative Name (SAN) list */
|
|
2078
|
$sans = cert_get_sans($cert['crt']);
|
|
2079
|
if (is_array($sans) && !empty($sans)) {
|
|
2080
|
$certextinfo .= '<b>' . gettext("SAN: ") . '</b> ';
|
|
2081
|
$certextinfo .= htmlspecialchars(implode(', ', cert_escape_x509_chars($sans, true)));
|
|
2082
|
$certextinfo .= '<br/>';
|
|
2083
|
}
|
|
2084
|
|
|
2085
|
/* Key usage */
|
|
2086
|
$purpose = cert_get_purpose($cert['crt']);
|
|
2087
|
if (is_array($purpose) && !empty($purpose['ku'])) {
|
|
2088
|
$certextinfo .= '<b>' . gettext("KU: ") . '</b> ';
|
|
2089
|
$certextinfo .= htmlspecialchars(implode(', ', $purpose['ku']));
|
|
2090
|
$certextinfo .= '<br/>';
|
|
2091
|
}
|
|
2092
|
|
|
2093
|
/* Extended key usage */
|
|
2094
|
if (is_array($purpose) && !empty($purpose['eku'])) {
|
|
2095
|
$certextinfo .= '<b>' . gettext("EKU: ") . '</b> ';
|
|
2096
|
$certextinfo .= htmlspecialchars(implode(', ', $purpose['eku']));
|
|
2097
|
$certextinfo .= '<br/>';
|
|
2098
|
}
|
|
2099
|
|
|
2100
|
/* OCSP / Must Staple */
|
|
2101
|
if (cert_get_ocspstaple($cert['crt'])) {
|
|
2102
|
$certextinfo .= '<b>' . gettext("OCSP: ") . '</b> ';
|
|
2103
|
$certextinfo .= gettext("Must Staple");
|
|
2104
|
$certextinfo .= '<br/>';
|
|
2105
|
}
|
|
2106
|
|
|
2107
|
/* Private key information */
|
|
2108
|
if (!empty($cert['prv'])) {
|
|
2109
|
$res_key = openssl_pkey_get_private(base64_decode($cert['prv']));
|
|
2110
|
$key_details = openssl_pkey_get_details($res_key);
|
|
2111
|
|
|
2112
|
/* Key type (RSA or EC) */
|
|
2113
|
$certextinfo .= '<b>' . gettext("Key Type: ") . '</b> ';
|
|
2114
|
if ($key_details['type'] == OPENSSL_KEYTYPE_RSA) {
|
|
2115
|
/* RSA Key size */
|
|
2116
|
$certextinfo .= 'RSA<br/>';
|
|
2117
|
$certextinfo .= '<b>' . gettext("Key Size: ") . '</b> ';
|
|
2118
|
$certextinfo .= $key_details['bits'] . '<br/>';
|
|
2119
|
} else {
|
|
2120
|
/* Elliptic curve (EC) key curve name */
|
|
2121
|
$certextinfo .= 'ECDSA<br/>';
|
|
2122
|
$certextinfo .= '<b>' . gettext("Elliptic curve name: ") . '</b>';
|
|
2123
|
$certextinfo .= $key_details['ec']['curve_name'] . '<br/>';
|
|
2124
|
}
|
|
2125
|
}
|
|
2126
|
|
|
2127
|
/* Distinguished name (DN) */
|
|
2128
|
if (!empty($cert_details['name'])) {
|
|
2129
|
$certextinfo .= '<b>' . gettext("DN: ") . '</b> ';
|
|
2130
|
$certextinfo .= htmlspecialchars(cert_escape_x509_chars($cert_details['name'], true));
|
|
2131
|
$certextinfo .= '<br/>';
|
|
2132
|
}
|
|
2133
|
|
|
2134
|
/* Hash value */
|
|
2135
|
if (!empty($cert_details['hash'])) {
|
|
2136
|
$certextinfo .= '<b>' . gettext("Hash: ") . '</b> ';
|
|
2137
|
$certextinfo .= htmlspecialchars(cert_escape_x509_chars($cert_details['hash'], true));
|
|
2138
|
$certextinfo .= '<br/>';
|
|
2139
|
}
|
|
2140
|
|
|
2141
|
/* Subject Key Identifier (SKID) */
|
|
2142
|
if (is_array($cert_details["extensions"]) && !empty($cert_details["extensions"]["subjectKeyIdentifier"])) {
|
|
2143
|
$certextinfo .= '<b>' . gettext("Subject Key ID: ") . '</b> ';
|
|
2144
|
$certextinfo .= htmlspecialchars(cert_escape_x509_chars($cert_details["extensions"]["subjectKeyIdentifier"], true));
|
|
2145
|
$certextinfo .= '<br/>';
|
|
2146
|
}
|
|
2147
|
|
|
2148
|
/* Authority Key Identifier (AKID) */
|
|
2149
|
if (is_array($cert_details["extensions"]) && !empty($cert_details["extensions"]["authorityKeyIdentifier"])) {
|
|
2150
|
$certextinfo .= '<b>' . gettext("Authority Key ID: ") . '</b> ';
|
|
2151
|
$certextinfo .= str_replace("\n", '<br/>', htmlspecialchars(cert_escape_x509_chars($cert_details["extensions"]["authorityKeyIdentifier"], true)));
|
|
2152
|
$certextinfo .= '<br/>';
|
|
2153
|
}
|
|
2154
|
|
|
2155
|
/* Total Lifetime (days from cert start to end) */
|
|
2156
|
$lifetime = cert_get_lifetime($cert);
|
|
2157
|
$certextinfo .= '<b>' . gettext("Total Lifetime: ") . '</b> ';
|
|
2158
|
$certextinfo .= sprintf("%d %s", $lifetime, (abs($lifetime) == 1) ? gettext('day') : gettext('days'));
|
|
2159
|
$certextinfo .= '<br/>';
|
|
2160
|
|
|
2161
|
/* Lifetime before certificate expires (days from now to end) */
|
|
2162
|
$expiredays = cert_get_lifetime($cert, true);
|
|
2163
|
list($lrclass, $expstring) = cert_analyze_lifetime($expiredays);
|
|
2164
|
$certextinfo .= '<b>' . gettext("Lifetime Remaining: ") . '</b> ';
|
|
2165
|
$certextinfo .= "<span class=\"text-{$lrclass}\">{$expstring}</span>";
|
|
2166
|
$certextinfo .= '<br/>';
|
|
2167
|
|
|
2168
|
/* CA Trust store presence */
|
|
2169
|
$certextinfo .= '<b>' . gettext("Trust Store: ") . '</b> ';
|
|
2170
|
$certextinfo .= (isset($cert['trust']) && ($cert['trust'] == "enabled")) ? gettext('Included') : gettext('Excluded');
|
|
2171
|
$certextinfo .= '<br/>';
|
|
2172
|
|
|
2173
|
/* Output the infoblock */
|
|
2174
|
if (!empty($certextinfo)) { ?>
|
|
2175
|
<div class="infoblock">
|
|
2176
|
<? print_info_box($certextinfo, 'info', false); ?>
|
|
2177
|
</div>
|
|
2178
|
<?php
|
|
2179
|
}
|
|
2180
|
}
|
|
2181
|
|
|
2182
|
/****f* certs/cert_notify_expiring
|
|
2183
|
* NAME
|
|
2184
|
* cert_notify_expiring - Notify admin about expiring certificates
|
|
2185
|
* INPUTS
|
|
2186
|
* None
|
|
2187
|
* RESULT
|
|
2188
|
* File a notice containing expiring certificate information, which is then
|
|
2189
|
* logged, displayed in the GUI, and sent via e-mail (if enabled).
|
|
2190
|
******/
|
|
2191
|
|
|
2192
|
function cert_notify_expiring() {
|
|
2193
|
global $config;
|
|
2194
|
|
|
2195
|
/* If certificate expiration notifications are disabled, there is nothing to do. */
|
|
2196
|
init_config_arr(array('notifications', 'certexpire'));
|
|
2197
|
if ($config['notifications']['certexpire']['enable'] == "disabled") {
|
|
2198
|
return;
|
|
2199
|
}
|
|
2200
|
|
|
2201
|
$notifications = array();
|
|
2202
|
|
|
2203
|
/* Check all CA and Cert entries at once */
|
|
2204
|
init_config_arr(array('ca'));
|
|
2205
|
init_config_arr(array('cert'));
|
|
2206
|
$all_certs = array_merge_recursive($config['ca'], $config['cert']);
|
|
2207
|
|
|
2208
|
foreach ($all_certs as $cert) {
|
|
2209
|
if (empty($cert)) {
|
|
2210
|
continue;
|
|
2211
|
}
|
|
2212
|
/* Fetch and analyze expiration */
|
|
2213
|
$expiredays = cert_get_lifetime($cert, true);
|
|
2214
|
/* If the result is null, then the lifetime data is missing, so skip the invalid entry. */
|
|
2215
|
if ($expiredays == null) {
|
|
2216
|
continue;
|
|
2217
|
}
|
|
2218
|
list($lrclass, $expstring) = cert_analyze_lifetime($expiredays);
|
|
2219
|
/* Only notify if the certificate is expiring soon, or has
|
|
2220
|
* already expired */
|
|
2221
|
if ($lrclass != 'normal') {
|
|
2222
|
$notify_string = (array_key_exists('serial', $cert)) ? gettext('Certificate Authority') : gettext('Certificate');
|
|
2223
|
$notify_string .= ": {$cert['descr']} ({$cert['refid']}): {$expstring}";
|
|
2224
|
$notifications[] = $notify_string;
|
|
2225
|
}
|
|
2226
|
}
|
|
2227
|
if (!empty($notifications)) {
|
|
2228
|
$message = gettext("The following CA/Certificate entries are expiring:") . "\n" .
|
|
2229
|
implode("\n", $notifications);
|
|
2230
|
file_notice("Certificate Expiration", $message, "Certificate Manager");
|
|
2231
|
}
|
|
2232
|
}
|
|
2233
|
|
|
2234
|
/****f* certs/ca_setup_trust_store
|
|
2235
|
* NAME
|
|
2236
|
* ca_setup_trust_store - Setup local CA trust store so that CA entries in the
|
|
2237
|
* configuration may be trusted by the operating system.
|
|
2238
|
* INPUTS
|
|
2239
|
* None
|
|
2240
|
* RESULT
|
|
2241
|
* CAs marked as trusted in the configuration will be setup in the OS trust store.
|
|
2242
|
******/
|
|
2243
|
|
|
2244
|
function ca_setup_trust_store() {
|
|
2245
|
global $config;
|
|
2246
|
|
|
2247
|
/* This directory is trusted by OpenSSL on FreeBSD by default */
|
|
2248
|
$trust_store_directory = '/etc/ssl/certs';
|
|
2249
|
|
|
2250
|
/* Create the directory if it does not already exist, and clean it up if it does. */
|
|
2251
|
safe_mkdir($trust_store_directory);
|
|
2252
|
unlink_if_exists("{$trust_store_directory}/*.0");
|
|
2253
|
|
|
2254
|
init_config_arr(array('ca'));
|
|
2255
|
foreach ($config['ca'] as $ca) {
|
|
2256
|
/* If the entry is invalid or is not trusted, skip it. */
|
|
2257
|
if (!is_array($ca) ||
|
|
2258
|
empty($ca['crt']) ||
|
|
2259
|
!isset($ca['trust']) ||
|
|
2260
|
($ca['trust'] != "enabled")) {
|
|
2261
|
continue;
|
|
2262
|
}
|
|
2263
|
|
|
2264
|
/* Decode the certificate contents */
|
|
2265
|
$cert_contents = base64_decode($ca['crt']);
|
|
2266
|
/* Get hash value to use for filename */
|
|
2267
|
$cert_details = openssl_x509_parse($cert_contents);
|
|
2268
|
$ca_filename = "{$trust_store_directory}/{$cert_details['hash']}.0";
|
|
2269
|
|
|
2270
|
/* Write CA to trust store and ensure it has correct permissions. */
|
|
2271
|
file_put_contents($ca_filename, $cert_contents);
|
|
2272
|
chmod($ca_filename, 0644);
|
|
2273
|
chown($ca_filename, 'root');
|
|
2274
|
chgrp($ca_filename, 'wheel');
|
|
2275
|
}
|
|
2276
|
}
|
|
2277
|
|
|
2278
|
?>
|