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<?php
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/* $Id$ */
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/*
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Copyright (C) 2008 Shrew Soft Inc
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Copyright (C) 2010 Jim Pingle <jimp@pfsense.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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DISABLE_PHP_LINT_CHECKING
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pfSense_MODULE: certificate_managaer
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*/
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require_once("functions.inc");
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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 $ca;
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return false;
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}
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function & lookup_ca_by_subject($subject) {
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global $config;
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if (is_array($config['ca']))
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foreach ($config['ca'] as & $ca)
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{
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$ca_subject = cert_get_subject($ca['crt']);
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if ($ca_subject == $subject)
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return $ca;
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}
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return false;
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}
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function & lookup_cert($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 $cert;
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return false;
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}
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function & lookup_cert_by_name($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 $cert;
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}
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function & lookup_crl($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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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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$crt = false;
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if($crt)
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$chain[] = $crt;
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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 & $ca_cert)
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{
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$ca .= base64_decode($ca_cert['crt']);
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$ca .= "\n";
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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=0) {
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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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if (!empty($serial))
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$ca['serial'] = $serial;
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$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'] = $issuer_crt['refid'];
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}
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/* Correct if child certificate was loaded first */
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if (is_array($config['ca']))
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foreach ($config['ca'] as & $oca)
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{
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$issuer = cert_get_issuer($oca['crt']);
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if($ca['refid']<>$oca['refid'] && $issuer==$subject)
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$oca['caref'] = $ca['refid'];
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}
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if (is_array($config['cert']))
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foreach ($config['cert'] as & $cert)
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{
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$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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return true;
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}
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function ca_create(& $ca, $keylen, $lifetime, $dn) {
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$args = array(
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"digest_alg" => "sha1",
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"private_key_bits" => (int)$keylen,
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"private_key_type" => OPENSSL_KEYTYPE_RSA,
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"encrypt_key" => false);
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if (!$res_key) return false;
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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) return false;
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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) return false;
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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, $str_crt))
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return false;
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// return our ca information
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$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, $caref) {
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// Create Intermediate Certificate Authority
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$signing_ca =& lookup_ca($caref);
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if (!$signing_ca)
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return false;
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$signing_ca_res_crt = openssl_x509_read(base64_decode($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) return false;
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$signing_ca_serial = ++$signing_ca['serial'];
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$args = array(
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"digest_alg" => "sha1",
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"private_key_bits" => (int)$keylen,
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"private_key_type" => OPENSSL_KEYTYPE_RSA,
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"encrypt_key" => false);
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if (!$res_key) return false;
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// generate a certificate signing request
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$res_csr = openssl_csr_new($dn, $res_key, $args);
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if (!$res_csr) return false;
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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) return false;
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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, $str_crt))
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return false;
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// return our ca information
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$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 cert_import(& $cert, $crt_str, $key_str) {
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$cert['crt'] = base64_encode($crt_str);
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$cert['prv'] = base64_encode($key_str);
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$subject = cert_get_subject($crt_str, false);
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$issuer = cert_get_issuer($crt_str, false);
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// Find my issuer unless self-signed
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if($issuer <> $subject) {
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$issuer_crt =& lookup_ca_by_subject($issuer);
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if($issuer_crt)
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$cert['caref'] = $issuer_crt['refid'];
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}
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return true;
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}
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function cert_create(& $cert, $caref, $keylen, $lifetime, $dn) {
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$ca =& lookup_ca($caref);
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if (!$ca)
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return false;
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$ca_str_crt = base64_decode($ca['crt']);
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$ca_str_key = base64_decode($ca['prv']);
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$ca_res_crt = openssl_x509_read($ca_str_crt);
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$ca_res_key = openssl_pkey_get_private(array(0 => $ca_str_key, 1 => ""));
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if(!$ca_res_key) return false;
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$ca_serial = ++$ca['serial'];
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$args = array(
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"digest_alg" => "sha1",
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"private_key_bits" => (int)$keylen,
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"private_key_type" => OPENSSL_KEYTYPE_RSA,
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"encrypt_key" => false);
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if(!$res_key) return false;
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// generate a certificate signing request
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$res_csr = openssl_csr_new($dn, $res_key, $args);
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if(!$res_csr) return false;
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// self sign the certificate
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$res_crt = openssl_csr_sign($res_csr, $ca_res_crt, $ca_res_key, $lifetime,
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$args, $ca_serial);
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if(!$res_crt) return false;
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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, $str_crt))
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return false;
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// return our certificate information
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$cert['caref'] = $caref;
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$cert['crt'] = base64_encode($str_crt);
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$cert['prv'] = base64_encode($str_key);
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return true;
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}
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function csr_generate(& $cert, $keylen, $dn) {
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$args = array(
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"digest_alg" => "sha1",
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"private_key_bits" => (int)$keylen,
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"private_key_type" => OPENSSL_KEYTYPE_RSA,
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"encrypt_key" => false);
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// generate a new key pair
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$res_key = openssl_pkey_new($args);
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if(!$res_key) return false;
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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) return false;
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312
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// export our request data
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314
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if (!openssl_pkey_export($res_key, $str_key) ||
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!openssl_csr_export($res_csr, $str_csr))
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return false;
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317
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// return our request information
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$cert['csr'] = base64_encode($str_csr);
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$cert['prv'] = base64_encode($str_key);
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321
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return true;
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}
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325
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function csr_complete(& $cert, $str_crt) {
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326
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// return our request information
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328
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$cert['crt'] = base64_encode($str_crt);
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unset($cert['csr']);
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330
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return true;
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}
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function csr_get_subject($str_crt, $decode = true) {
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335
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336
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if ($decode)
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$str_crt = base64_decode($str_crt);
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338
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339
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$components = openssl_csr_get_subject($str_crt);
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340
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341
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if (empty($components) || !is_array($components))
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return "unknown";
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343
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344
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ksort($components);
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345
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foreach ($components as $a => $v) {
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346
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if (!strlen($subject))
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$subject = "{$a}={$v}";
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else
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$subject = "{$a}={$v}, {$subject}";
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}
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351
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return $subject;
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}
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function cert_get_subject($str_crt, $decode = true) {
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356
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357
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if ($decode)
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$str_crt = base64_decode($str_crt);
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359
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360
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$inf_crt = openssl_x509_parse($str_crt);
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$components = $inf_crt['subject'];
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362
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363
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if (empty($components) || !is_array($components))
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return "unknown";
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365
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366
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ksort($components);
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367
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foreach ($components as $a => $v) {
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368
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if (is_array($v)) {
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369
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ksort($v);
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370
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foreach ($v as $w) {
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$asubject = "{$a}={$w}";
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$subject = (strlen($subject)) ? "{$asubject}, {$subject}" : $asubject;
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}
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} else {
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$asubject = "{$a}={$v}";
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$subject = (strlen($subject)) ? "{$asubject}, {$subject}" : $asubject;
|
|
377
|
}
|
|
378
|
}
|
|
379
|
|
|
380
|
return $subject;
|
|
381
|
}
|
|
382
|
|
|
383
|
function cert_get_subject_array($crt) {
|
|
384
|
$str_crt = base64_decode($crt);
|
|
385
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
386
|
$components = $inf_crt['subject'];
|
|
387
|
|
|
388
|
if (!is_array($components))
|
|
389
|
return;
|
|
390
|
|
|
391
|
$subject_array = array();
|
|
392
|
|
|
393
|
foreach($components as $a => $v)
|
|
394
|
$subject_array[] = array('a' => $a, 'v' => $v);
|
|
395
|
|
|
396
|
return $subject_array;
|
|
397
|
}
|
|
398
|
|
|
399
|
function cert_get_subject_hash($crt) {
|
|
400
|
$str_crt = base64_decode($crt);
|
|
401
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
402
|
return $inf_crt['subject'];
|
|
403
|
}
|
|
404
|
|
|
405
|
function cert_get_issuer($str_crt, $decode = true) {
|
|
406
|
|
|
407
|
if ($decode)
|
|
408
|
$str_crt = base64_decode($str_crt);
|
|
409
|
|
|
410
|
$inf_crt = openssl_x509_parse($str_crt);
|
|
411
|
$components = $inf_crt['issuer'];
|
|
412
|
|
|
413
|
if (empty($components) || !is_array($components))
|
|
414
|
return "unknown";
|
|
415
|
|
|
416
|
ksort($components);
|
|
417
|
foreach ($components as $a => $v) {
|
|
418
|
if (!strlen($issuer))
|
|
419
|
$issuer = "{$a}={$v}";
|
|
420
|
else
|
|
421
|
$issuer = "{$a}={$v}, {$issuer}";
|
|
422
|
}
|
|
423
|
|
|
424
|
return $issuer;
|
|
425
|
}
|
|
426
|
|
|
427
|
/* this function works on x509 (crt), rsa key (prv), and req(csr) */
|
|
428
|
function cert_get_modulus($str_crt, $decode = true, $type = "crt"){
|
|
429
|
if ($decode)
|
|
430
|
$str_crt = base64_decode($str_crt);
|
|
431
|
|
|
432
|
$modulus = "";
|
|
433
|
if ( in_array($type, array("crt", "prv", "csr")) ) {
|
|
434
|
$type = str_replace( array("crt","prv","csr"), array("x509","rsa","req"), $type);
|
|
435
|
$modulus = exec("echo \"{$str_crt}\" | openssl {$type} -noout -modulus");
|
|
436
|
}
|
|
437
|
return $modulus;
|
|
438
|
}
|
|
439
|
function csr_get_modulus($str_crt, $decode = true){
|
|
440
|
return cert_get_modulus($str_crt, $decode, "csr");
|
|
441
|
}
|
|
442
|
function prv_get_modulus($str_crt, $decode = true){
|
|
443
|
return cert_get_modulus($str_crt, $decode, "prv");
|
|
444
|
}
|
|
445
|
|
|
446
|
function is_user_cert($certref) {
|
|
447
|
global $config;
|
|
448
|
if (!is_array($config['system']['user']))
|
|
449
|
return;
|
|
450
|
foreach ($config['system']['user'] as $user) {
|
|
451
|
if (!is_array($user['cert']))
|
|
452
|
continue;
|
|
453
|
foreach ($user['cert'] as $cert) {
|
|
454
|
if ($certref == $cert)
|
|
455
|
return true;
|
|
456
|
}
|
|
457
|
}
|
|
458
|
return false;
|
|
459
|
}
|
|
460
|
|
|
461
|
function is_openvpn_server_cert($certref) {
|
|
462
|
global $config;
|
|
463
|
if (!is_array($config['openvpn']['openvpn-server']))
|
|
464
|
return;
|
|
465
|
foreach ($config['openvpn']['openvpn-server'] as $ovpns) {
|
|
466
|
if ($ovpns['certref'] == $certref)
|
|
467
|
return true;
|
|
468
|
}
|
|
469
|
return false;
|
|
470
|
}
|
|
471
|
|
|
472
|
function is_openvpn_client_cert($certref) {
|
|
473
|
global $config;
|
|
474
|
if (!is_array($config['openvpn']['openvpn-client']))
|
|
475
|
return;
|
|
476
|
foreach ($config['openvpn']['openvpn-client'] as $ovpnc) {
|
|
477
|
if ($ovpnc['certref'] == $certref)
|
|
478
|
return true;
|
|
479
|
}
|
|
480
|
return false;
|
|
481
|
}
|
|
482
|
|
|
483
|
function is_ipsec_cert($certref) {
|
|
484
|
global $config;
|
|
485
|
if (!is_array($config['ipsec']['phase1']))
|
|
486
|
return;
|
|
487
|
foreach ($config['ipsec']['phase1'] as $ipsec) {
|
|
488
|
if ($ipsec['certref'] == $certref)
|
|
489
|
return true;
|
|
490
|
}
|
|
491
|
return false;
|
|
492
|
}
|
|
493
|
|
|
494
|
function is_webgui_cert($certref) {
|
|
495
|
global $config;
|
|
496
|
if (($config['system']['webgui']['ssl-certref'] == $certref)
|
|
497
|
&& ($config['system']['webgui']['protocol'] != "http"))
|
|
498
|
return true;
|
|
499
|
}
|
|
500
|
|
|
501
|
function cert_in_use($certref) {
|
|
502
|
return (is_webgui_cert($certref) ||
|
|
503
|
is_user_cert($certref) ||
|
|
504
|
is_openvpn_server_cert($certref) ||
|
|
505
|
is_openvpn_client_cert($certref) ||
|
|
506
|
is_ipsec_cert($certref));
|
|
507
|
}
|
|
508
|
|
|
509
|
/*
|
|
510
|
CRL code is a *WORK IN PROGRESS* do not try to use these functions yet.
|
|
511
|
|
|
512
|
OpenSSL CRL status code constants.
|
|
513
|
OCSP_REVOKED_STATUS_NOSTATUS
|
|
514
|
OCSP_REVOKED_STATUS_UNSPECIFIED
|
|
515
|
OCSP_REVOKED_STATUS_KEYCOMPROMISE
|
|
516
|
OCSP_REVOKED_STATUS_CACOMPROMISE
|
|
517
|
OCSP_REVOKED_STATUS_AFFILIATIONCHANGED
|
|
518
|
OCSP_REVOKED_STATUS_SUPERSEDED
|
|
519
|
OCSP_REVOKED_STATUS_CESSATIONOFOPERATION
|
|
520
|
OCSP_REVOKED_STATUS_CERTIFICATEHOLD
|
|
521
|
OCSP_REVOKED_STATUS_REMOVEFROMCRL
|
|
522
|
*/
|
|
523
|
|
|
524
|
$openssl_crl_status = array(
|
|
525
|
OCSP_REVOKED_STATUS_NOSTATUS => "No Status (default)",
|
|
526
|
OCSP_REVOKED_STATUS_UNSPECIFIED => "Unspecified",
|
|
527
|
OCSP_REVOKED_STATUS_KEYCOMPROMISE => "Key Compromise",
|
|
528
|
OCSP_REVOKED_STATUS_CACOMPROMISE => "CA Compromise",
|
|
529
|
OCSP_REVOKED_STATUS_AFFILIATIONCHANGED => "Affiliation Changed",
|
|
530
|
OCSP_REVOKED_STATUS_SUPERSEDED => "Superseded",
|
|
531
|
OCSP_REVOKED_STATUS_CESSATIONOFOPERATION => "Cessation of Operation",
|
|
532
|
OCSP_REVOKED_STATUS_CERTIFICATEHOLD => "Certificate Hold"
|
|
533
|
);
|
|
534
|
|
|
535
|
function crl_create(& $crl, $caref, $name, $serial=0, $lifetime=9999) {
|
|
536
|
global $config;
|
|
537
|
$ca =& lookup_ca($caref);
|
|
538
|
if (!$ca)
|
|
539
|
return false;
|
|
540
|
$crl['descr'] = $name;
|
|
541
|
$crl['caref'] = $caref;
|
|
542
|
$crl['serial'] = $serial;
|
|
543
|
$crl['lifetime'] = $lifetime;
|
|
544
|
$crl['cert'] = array();
|
|
545
|
$crl_res = crl_update($crl);
|
|
546
|
$config['crl'][] = $crl;
|
|
547
|
return $crl_res;
|
|
548
|
}
|
|
549
|
|
|
550
|
function crl_update(& $crl) {
|
|
551
|
global $config;
|
|
552
|
$ca =& lookup_ca($crl['caref']);
|
|
553
|
if (!$ca)
|
|
554
|
return false;
|
|
555
|
// If we have text but no certs, it was imported and cannot be updated.
|
|
556
|
if (($crl["method"] != "internal") && (!empty($crl['text']) && empty($crl['cert'])))
|
|
557
|
return false;
|
|
558
|
$crl['serial']++;
|
|
559
|
$ca_str_crt = base64_decode($ca['crt']);
|
|
560
|
$ca_str_key = base64_decode($ca['prv']);
|
|
561
|
$crl_res = openssl_crl_new($ca_str_crt, $crl['serial'], $crl['lifetime']);
|
|
562
|
if (is_array($crl['cert']) && (count($crl['cert']) > 0)) {
|
|
563
|
foreach ($crl['cert'] as $cert) {
|
|
564
|
openssl_crl_revoke_cert($crl_res, base64_decode($cert["crt"]), $cert["revoke_time"], $cert["reason"]);
|
|
565
|
}
|
|
566
|
}
|
|
567
|
openssl_crl_export($crl_res, $crl_text, $ca_str_key);
|
|
568
|
$crl['text'] = base64_encode($crl_text);
|
|
569
|
return $crl_res;
|
|
570
|
}
|
|
571
|
|
|
572
|
function cert_revoke($cert, & $crl, $reason=OCSP_REVOKED_STATUS_UNSPECIFIED) {
|
|
573
|
global $config;
|
|
574
|
if (is_cert_revoked($cert, $crl['refid']))
|
|
575
|
return true;
|
|
576
|
// If we have text but no certs, it was imported and cannot be updated.
|
|
577
|
if (!is_crl_internal($crl))
|
|
578
|
return false;
|
|
579
|
$cert["reason"] = $reason;
|
|
580
|
$cert["revoke_time"] = time();
|
|
581
|
$crl["cert"][] = $cert;
|
|
582
|
crl_update($crl);
|
|
583
|
return true;
|
|
584
|
}
|
|
585
|
|
|
586
|
function cert_unrevoke($cert, & $crl) {
|
|
587
|
global $config;
|
|
588
|
if (!is_crl_internal($crl))
|
|
589
|
return false;
|
|
590
|
foreach ($crl['cert'] as $id => $rcert) {
|
|
591
|
if (($rcert['refid'] == $cert['refid']) || ($rcert['descr'] == $cert['descr'])) {
|
|
592
|
unset($crl['cert'][$id]);
|
|
593
|
if (count($crl['cert']) == 0) {
|
|
594
|
// Protect against accidentally switching the type to imported, for older CRLs
|
|
595
|
if (!isset($crl['method']))
|
|
596
|
$crl['method'] = "internal";
|
|
597
|
crl_update($crl);
|
|
598
|
} else
|
|
599
|
crl_update($crl);
|
|
600
|
return true;
|
|
601
|
}
|
|
602
|
}
|
|
603
|
return false;
|
|
604
|
}
|
|
605
|
|
|
606
|
function is_cert_revoked($cert, $crlref = "") {
|
|
607
|
global $config;
|
|
608
|
if (!is_array($config['crl']))
|
|
609
|
return false;
|
|
610
|
|
|
611
|
if (!empty($crlref)) {
|
|
612
|
$crl = lookup_crl($crlref);
|
|
613
|
if (!is_array($crl['cert']))
|
|
614
|
return false;
|
|
615
|
foreach ($crl['cert'] as $rcert) {
|
|
616
|
if (($rcert['refid'] == $cert['refid']) || ($rcert['descr'] == $cert['descr']))
|
|
617
|
return true;
|
|
618
|
}
|
|
619
|
} else {
|
|
620
|
foreach ($config['crl'] as $crl) {
|
|
621
|
if (!is_array($crl['cert']))
|
|
622
|
continue;
|
|
623
|
foreach ($crl['cert'] as $rcert) {
|
|
624
|
if (($rcert['refid'] == $cert['refid']) || ($rcert['descr'] == $cert['descr']))
|
|
625
|
return true;
|
|
626
|
}
|
|
627
|
}
|
|
628
|
}
|
|
629
|
return false;
|
|
630
|
}
|
|
631
|
|
|
632
|
function is_openvpn_server_crl($crlref) {
|
|
633
|
global $config;
|
|
634
|
if (!is_array($config['openvpn']['openvpn-server']))
|
|
635
|
return;
|
|
636
|
foreach ($config['openvpn']['openvpn-server'] as $ovpns) {
|
|
637
|
if (!empty($ovpns['crlref']) && ($ovpns['crlref'] == $crlref))
|
|
638
|
return true;
|
|
639
|
}
|
|
640
|
return false;
|
|
641
|
}
|
|
642
|
|
|
643
|
// Keep this general to allow for future expansion. See cert_in_use() above.
|
|
644
|
function crl_in_use($crlref) {
|
|
645
|
return (is_openvpn_server_crl($crlref));
|
|
646
|
}
|
|
647
|
|
|
648
|
function is_crl_internal($crl) {
|
|
649
|
return (!(!empty($crl['text']) && empty($crl['cert'])) || ($crl["method"] == "internal"));
|
|
650
|
}
|
|
651
|
|
|
652
|
function cert_get_cn($crt, $isref = false) {
|
|
653
|
/* If this is a certref, not an actual cert, look up the cert first */
|
|
654
|
if ($isref) {
|
|
655
|
$cert = lookup_cert($crt);
|
|
656
|
/* If it's not a valid cert, bail. */
|
|
657
|
if (!(is_array($cert) && !empty($cert['crt'])))
|
|
658
|
return "";
|
|
659
|
$cert = $cert['crt'];
|
|
660
|
} else {
|
|
661
|
$cert = $crt;
|
|
662
|
}
|
|
663
|
$sub = cert_get_subject_array($cert);
|
|
664
|
if (is_array($sub)) {
|
|
665
|
foreach ($sub as $s) {
|
|
666
|
if (strtoupper($s['a']) == "CN")
|
|
667
|
return $s['v'];
|
|
668
|
}
|
|
669
|
}
|
|
670
|
return "";
|
|
671
|
}
|
|
672
|
|
|
673
|
?>
|