872 lines
38 KiB
PHP
872 lines
38 KiB
PHP
<?php
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/*
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----------------------------------------------------------------------
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AlternC - Web Hosting System
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Copyright (C) 2000-2014 by the AlternC Development Team.
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https://alternc.org/
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----------------------------------------------------------------------
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LICENSE
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License (GPL)
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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To read the license please visit http://www.gnu.org/copyleft/gpl.html
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----------------------------------------------------------------------
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Purpose of file: Manage SSL Certificates and HTTPS Hosting
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----------------------------------------------------------------------
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*/
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// -----------------------------------------------------------------
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/**
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* SSL Certificates management class
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*/
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class m_ssl {
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const STATUS_PENDING = 0; // we have a key / csr, but no CRT
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const STATUS_OK = 1; // we have the key, csr, crt, chain
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const STATUS_EXPIRED = 99; // The certificate is now expired.
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public $error = "";
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// Includes one or more of those flags to see only those certificates
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// when listing them:
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const FILTER_PENDING = 1;
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const FILTER_OK = 2;
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const FILTER_EXPIRED = 4;
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const FILTER_SHARED = 8;
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const SSL_INCRON_FILE = "/var/run/alternc-ssl/generate_certif_alias";
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var $myDomainesTypes = array("vhost-ssl", "vhost-mixssl", "panel-ssl", "roundcube-ssl", "squirrelmail-ssl", "php52-ssl", "php52-mixssl", "url-ssl");
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const KEY_REPOSITORY = "/var/lib/alternc/ssl/private";
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// -----------------------------------------------------------------
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/**
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* Constructor
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*/
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function m_ssl() {
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global $L_FQDN;
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$this->last_certificate_id=variable_get('last_certificate_id',0,'Latest certificate ID parsed by update_domains. Do not change this unless you know what you are doing');
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$this->default_certificate_fqdn=variable_get('default_certificate_fqdn',$L_FQDN,'FQDN of the certificate we will use as a default one before getting a proper one through any provider. If unsure, keep the default');
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}
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// -----------------------------------------------------------------
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/**
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* Hook to add the "ssl certificate" menu in the Panel
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*/
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function hook_menu() {
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global $quota, $db, $cuid;
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$q = $quota->getquota("ssl");
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$obj = null;
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if ($q['t'] > 0) {
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$obj = array(
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'title' => _("SSL Certificates"),
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'ico' => 'images/ssl.png',
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'link' => 'toggle',
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'pos' => 130,
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'links' => array(),
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);
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if ($quota->cancreate("ssl")) {
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$obj['links'][] = array(
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'ico' => 'images/new.png',
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'txt' => _("New SSL certificate"),
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'url' => "ssl_new.php",
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'class' => '',
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);
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}
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// or admin shared >0 !
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$db->query("SELECT COUNT(*) AS cnt FROM certificates WHERE uid='$cuid' OR shared=1");
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$used = $q['u'];
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if ($db->next_record()) {
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$used = $db->f("cnt");
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}
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if ($used > 0) { // if there are some SSL certificates
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$obj['links'][] = array(
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'txt' => _("List SSL Certificates"),
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'url' => "ssl_list.php"
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);
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}
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}
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return $obj;
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}
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// -----------------------------------------------------------------
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/** Return all the SSL certificates for an account (or the searched one)
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* @param $filter an integer telling which certificate we want to see (see FILTER_* constants above)
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* the default is showing all certificate, but only Pending and OK certificates, not expired or shared one
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* when there is more than 10.
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* @return array all the ssl certificate this user can use
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* (each array is the content of the certificates table)
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*/
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function get_list(&$filter = null) {
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global $db, $msg, $cuid;
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$msg->log("ssl", "get_list");
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// Expire expired certificates:
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$db->query("UPDATE certificates SET status=".self::STATUS_EXPIRED." WHERE status=".self::STATUS_OK." AND validend<NOW();");
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$r = array();
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// If we have no filter, we filter by default on pending and ok certificates if there is more than 10 of them for the same user.
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if (is_null($filter)) {
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$db->query("SELECT count(*) AS cnt FROM certificates WHERE uid='$cuid' OR shared=1;");
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$db->next_record();
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if ($db->f("cnt") > 10) {
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$filter = (self::FILTER_PENDING | self::FILTER_OK);
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} else {
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$filter = (self::FILTER_PENDING | self::FILTER_OK | self::FILTER_EXPIRED | self::FILTER_SHARED);
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}
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}
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// filter the filter values :)
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$filter = ($filter & (self::FILTER_PENDING | self::FILTER_OK | self::FILTER_EXPIRED | self::FILTER_SHARED));
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// Here filter can't be null (and will be returned to the caller !)
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$sql = "";
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if ($filter & self::FILTER_SHARED) {
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$sql = " (uid='$cuid' OR shared=1) ";
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} else {
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$sql = " uid='$cuid' ";
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}
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$sql.=" AND status IN (-1";
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if ($filter & self::FILTER_PENDING) {
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$sql.="," . self::STATUS_PENDING;
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}
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if ($filter & self::FILTER_OK) {
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$sql.="," . self::STATUS_OK;
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}
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if ($filter & self::FILTER_EXPIRED) {
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$sql.="," . self::STATUS_EXPIRED;
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}
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$sql.=") ";
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$db->query("SELECT *, UNIX_TIMESTAMP(validstart) AS validstartts, UNIX_TIMESTAMP(validend) AS validendts FROM certificates WHERE $sql ORDER BY shared, fqdn;");
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if ($db->num_rows()) {
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while ($db->next_record()) {
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$r[] = $db->Record;
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}
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return $r;
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} else {
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$msg->raise("INFO", "ssl", _("No SSL certificates available"));
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return array();
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}
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}
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// -----------------------------------------------------------------
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/** Return all the Vhosts of this user using SSL certificates
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* @return array all the ssl certificate and hosts of this user
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*/
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function get_vhosts() {
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global $db, $msg, $cuid;
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$msg->log("ssl", "get_vhosts");
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$r=array();
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$db->query("SELECT ch.*, UNIX_TIMESTAMP(c.validstart) AS validstartts, UNIX_TIMESTAMP(c.validend) AS validendts, sd.domaine, sd.sub "
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. "FROM certif_hosts ch LEFT JOIN certificates c ON ch.certif=c.id "
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. ", sub_domaines sd WHERE sd.id=ch.sub AND ch.uid=$cuid "
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. "ORDER BY sd.domaine, sd.sub;");
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if ($db->num_rows()) {
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while ($db->next_record()) {
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$r[] = $db->Record;
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}
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return $r;
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} else {
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$msg->raise("INFO","ssl", _("You currently have no hosting using SSL certificate"));
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return array();
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}
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}
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// -----------------------------------------------------------------
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/** Generate a new CSR, a new Private RSA Key, for FQDN.
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* @param $fqdn string the FQDN of the domain name for which we want a CSR.
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* a wildcard certificate must start by *.
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* @return integer the Certificate ID created in the MySQL database
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* or false if an error occurred
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*/
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function new_csr($fqdn) {
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global $db, $msg, $cuid;
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$msg->log("ssl", "new_csr");
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if (substr($fqdn, 0, 2) == "*.") {
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$f = substr($fqdn, 2);
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} else {
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$f = $fqdn;
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}
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if (checkfqdn($f)) {
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$msg->raise("ERROR","ssl", _("Bad FQDN domain name"));
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return false;
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}
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putenv("OPENSSL_CONF=/etc/alternc/openssl.cnf");
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$pkey = openssl_pkey_new();
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if (!$pkey) {
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$msg->raise("ERROR","ssl", _("Can't generate a private key (1)"));
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return false;
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}
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$privKey = "";
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if (!openssl_pkey_export($pkey, $privKey)) {
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$msg->raise("ERROR","ssl", _("Can't generate a private key (2)"));
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return false;
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}
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$dn = array("commonName" => $fqdn);
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// override the (not taken from openssl.cnf) digest to use SHA-2 / SHA256 and not SHA-1 or MD5 :
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$config = array("digest_alg" => "sha256");
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$csr = openssl_csr_new($dn, $pkey, $config);
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$csrout = "";
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openssl_csr_export($csr, $csrout);
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$db->query("INSERT INTO certificates SET uid='$cuid', status=" . self::STATUS_PENDING . ", shared=0, fqdn='" . addslashes($fqdn) . "', altnames='', validstart=NOW(), sslcsr='" . addslashes($csrout) . "', sslkey='" . addslashes($privKey) . "';");
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if (!($id = $db->lastid())) {
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$msg->raise("ERROR","ssl", _("Can't generate a CSR"));
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return false;
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}
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return $id;
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}
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// -----------------------------------------------------------------
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/** Return all informations of a given certificate for the current user.
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* @return array all the informations of the current certificate as a hash.
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*/
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function get_certificate($id) {
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global $db, $msg, $cuid;
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$msg->log("ssl", "get_certificate");
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$id = intval($id);
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$db->query("SELECT *, UNIX_TIMESTAMP(validstart) AS validstartts, UNIX_TIMESTAMP(validend) AS validendts FROM certificates WHERE (uid='$cuid' OR (shared=1 AND status=" . self::STATUS_OK . ") ) AND id='$id';");
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if (!$db->next_record()) {
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$msg->raise("ERROR","ssl", _("Can't find this Certificate"));
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return false;
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}
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return $db->Record;
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}
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// -----------------------------------------------------------------
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/** Delete a Certificate for the current user.
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* @return boolean TRUE if the certificate has been deleted successfully.
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*/
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function del_certificate($id) {
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global $db, $msg, $cuid;
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$msg->log("ssl", "del_certificate");
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$id = intval($id);
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$db->query("SELECT * FROM certificates WHERE uid='$cuid' AND id='$id';");
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if (!$db->next_record()) {
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$msg->raise("ERROR","ssl", _("Can't find this Certificate"));
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return false;
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}
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$fqdn = $db->Record["fqdn"];
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$altnames = $db->Record["altnames"];
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$db->query("DELETE FROM certificates WHERE uid='$cuid' AND id='$id';");
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// Update any existing VHOST using this cert/key
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$this->updateTrigger($fqdn, $altnames);
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return true;
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}
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// -----------------------------------------------------------------
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/** Share (or unshare) an ssl certificate
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* @param $id integer the id of the certificate in the table.
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* @param $action integer share (1) or unshare (0) this certificate
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* @return boolean
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*/
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function share($id, $action = 1) {
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global $db, $msg, $cuid;
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$msg->log("ssl", "share");
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$id = intval($id);
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$db->query("SELECT * FROM certificates WHERE uid='$cuid' AND status=" . self::STATUS_OK . " AND id='$id';");
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if (!$db->next_record()) {
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$msg->raise("ERROR","ssl", _("Can't find this Certificate"));
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return false;
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}
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if ($action) {
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$action = 1;
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$this->updateTrigger($db->Record["fqdn"], $db->Record["altnames"]);
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} else {
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$action = 0;
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}
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$db->query("UPDATE certificates SET shared=$action WHERE id='$id';");
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return true;
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}
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// -----------------------------------------------------------------
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/** Return all the valid certificates that can be used for a specific FQDN
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* return the list of certificates by order of preference (2 lasts bein the default FQDN and the snakeoil if necessary)
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* keys: id, provider, crt, chain, key, validstart, validend
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*/
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function get_valid_certs($fqdn) {
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global $db, $msg, $cuid;
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$db->query("SELECT * FROM certificates WHERE status=".self::STATUS_OK." ORDER BY validstart DESC;");
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$good=array();
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$bad=array();
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$ugly=array();
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$wildcard="*".substr($fqdn,strpos($fqdn,".");
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$defaultwild="*".substr($this->default_certificate_fqdn,strpos($this->default_certificate_fqdn,".");
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while($db->next_record()) {
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$good=false
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if ($db->Record["fqdn"]==$fqdn || $db->Record["fqdn"]==$wildcard) {
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$good=true;
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} else {
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$alts=explode("\n",$db->Record["altnames"]);
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foreach($alts as $alt) {
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if ($alt==$fqdn || $alt==$wildcard) {
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$good=true;
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break;
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}
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}
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}
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if ($good) {
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$good[]=$db->Record;
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}
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// TODO : manages BAD (default) and UGLY (snakeoil)
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}
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return $good;
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}
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// -----------------------------------------------------------------
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/** Return all the subdomains that can be ssl-enabled for the current account.
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* @return array of strings : all the subdomains.
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* Excludes the one for which a cert is already available
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*/
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function get_new_advice() {
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global $db, $msg, $cuid;
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$msg->log("ssl", "get_new_advice");
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$r = array();
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// my certificates, either OK or PENDING (not expired) or the SHARED one (only OK then)
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$db->query("SELECT fqdn FROM certificates WHERE
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(uid='$cuid' AND status IN (" . self::STATUS_PENDING . "," . self::STATUS_OK . ") )
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OR (shared=1 AND status=" . self::STATUS_OK . ")
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ORDER BY shared, fqdn;");
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$r = array();
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while ($db->next_record()) {
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$r[] = $db->f("fqdn");
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}
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// Now we get all our subdomains for certain domaines_types
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$db->query("SELECT sub,domaine FROM sub_domaines WHERE compte='$cuid' AND type IN ('vhost', 'url', 'roundcube', 'squirrelmail', 'panel', 'php52');");
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$advice = array();
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while ($db->next_record()) {
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$me = $db->f("sub");
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if ($me) {
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$me.=".";
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}
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$me.=$db->f("domaine");
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if (!in_array($me, $r) && !in_array($me, $advice)) {
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$advice[] = $me;
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}
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if (!in_array("*." . $db->f("domaine"), $r) && !in_array("*." . $db->f("domaine"), $advice)) {
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$advice[] = "*." . $db->f("domaine");
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}
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}
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sort($advice);
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return($advice);
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}
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// -----------------------------------------------------------------
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/** Import an existing ssl Key, Certificate and (maybe) a Chained Cert
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* @param $key string the X.509 PEM-encoded RSA key
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* @param $crt string the X.509 PEM-encoded certificate, which *must*
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* be the one signinf the private RSA key in $key
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* @param $chain string the X.509 PEM-encoded list of SSL Certificate chain if intermediate authorities
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* @return integer the ID of the newly created certificate in the table
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* or false if an error occurred
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*/
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function import_cert($key, $crt, $chain = "") {
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global $cuid, $msg, $db;
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$msg->log("ssl", "import_cert");
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$result = $this->check_cert($crt, $chain, $key);
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if ($result === false) {
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$msg->raise("ERROR","ssl", $this->error);
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return false;
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}
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list($crt, $chain, $key, $crtdata) = $result;
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$validstart = $crtdata['validFrom_time_t'];
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$validend = $crtdata['validTo_time_t'];
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$fqdn = $crtdata["subject"]["CN"];
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$altnames = $this->parseAltNames($crtdata["extensions"]["subjectAltName"]);
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// Search for an existing cert:
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$db->query("SELECT id FROM certificates WHERE crt=?;",array($crt));
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if ($db->next_record()) {
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$msg->raise("ERROR","ssl", _("Certificate already exists in database"));
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return false;
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}
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// Everything is PERFECT and has been thoroughly checked, let's insert those in the DB !
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$sql = "INSERT INTO certificates SET uid='?', status=?, shared=0, fqdn=?, altnames=?, validstart=FROM_UNIXTIME(?), validend=FROM_UNIXTIME(?), sslkey=?, sslcrt=?, sslchain=?;";
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$db->query($sql,array($cuid,self::STATUS_OK,$fqdn,$altnames,intval($validstart),intval($validend),$key,$crt,$chain));
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if (!($id = $db->lastid())) {
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$msg->raise("ERROR","ssl", _("Can't save the Key/Crt/Chain now. Please try later."));
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return false;
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}
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$this->updateTrigger($fqdn, $altnames);
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return $id;
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}
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// -----------------------------------------------------------------
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/** Import an ssl certificate into an existing certificate entry in the DB.
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* (finalize an enrollment process)
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* @param $certid integer the ID in the database of the SSL Certificate
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* @param $crt string the X.509 PEM-encoded certificate, which *must*
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* be the one signing the private RSA key in certificate $certid
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* @param $chain string the X.509 PEM-encoded list of SSL Certificate chain if intermediate authorities
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* @return integer the ID of the updated certificate in the table
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* or false if an error occurred
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*/
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function finalize($certid, $crt, $chain) {
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global $cuid, $msg, $db;
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$msg->log("ssl", "finalize");
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$certid = intval($certid);
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$result = $this->check_cert($crt, $chain, "", $certid);
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if ($result === false) {
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$msg->raise("ERROR","ssl", $this->error);
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return false;
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}
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list($crt, $chain, $key, $crtdata) = $result;
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$validstart = $crtdata['validFrom_time_t'];
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$validend = $crtdata['validTo_time_t'];
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$fqdn = $crtdata["subject"]["CN"];
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$altnames = $this->parseAltNames($crtdata["extensions"]["subjectAltName"]);
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// Everything is PERFECT and has been thoroughly checked, let's insert those in the DB !
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$sql = "UPDATE certificates SET status=" . self::STATUS_OK . ", shared=0, fqdn='" . addslashes($fqdn) . "', altnames='" . addslashes($altnames) . "', validstart=FROM_UNIXTIME(" . intval($validstart) . "), validend=FROM_UNIXTIME(" . intval($validend) . "), sslcrt='" . addslashes($crt) . "', sslchain='" . addslashes($chain) . "' WHERE id='$certid' ;";
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if (!$db->query($sql)) {
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$msg->raise("ERROR","ssl", _("Can't save the Crt/Chain now. Please try later."));
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return false;
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}
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$this->updateTrigger($fqdn, $altnames);
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return $certid;
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}
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// -----------------------------------------------------------------
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/** Function called by a hook when an AlternC member is deleted.
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* @access private
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* TODO: delete unused ssl certificates ?? > do this in the crontab.
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*/
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function alternc_del_member() {
|
|
global $db, $msg, $cuid;
|
|
$msg->log("ssl", "alternc_del_member");
|
|
$db->query("UPDATE certificates SET ssl_action='DELETE' WHERE uid='$cuid'");
|
|
return true;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Hook which returns the used quota for the $name service for the current user.
|
|
* @param $name string name of the quota
|
|
* @return integer the number of service used or false if an error occured
|
|
* @access private
|
|
*/
|
|
function hook_quota_get() {
|
|
global $db, $msg, $cuid;
|
|
$msg->log("ssl", "getquota");
|
|
$q = Array("name" => "ssl", "description" => _("SSL Certificates"), "used" => 0);
|
|
$db->query("SELECT COUNT(*) AS cnt FROM certificates WHERE uid='$cuid' AND status!=" . self::STATUS_EXPIRED);
|
|
if ($db->next_record()) {
|
|
$q['used'] = $db->f("cnt");
|
|
}
|
|
return $q;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Launched by functions in this class
|
|
* when a certificate is validated, expired or shared.
|
|
* so that existing vhost using expired or self-signed certificates
|
|
* may have the chance to use a proper one automagically
|
|
* @param string $fqdn the FQDN of the certificate
|
|
* @param string $altnames any alternative names this certificate may have.
|
|
*/
|
|
public function updateTrigger($fqdn, $altnames = "") {
|
|
global $db;
|
|
$fqdns = array($fqdn);
|
|
$an = explode("\n", $altnames);
|
|
foreach ($an as $a)
|
|
if (trim($a))
|
|
$fqdns[] = trim($a);
|
|
$db->query("UPDATE sub_domaines SET web_action='UPDATE' WHERE "
|
|
. "if(LENGTH(sub)>0,CONCAT(sub,'.',domaine),domaine) IN ('" . implode("','", $fqdns) . "') "
|
|
. "AND type LIKE '%ssl';");
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Launched by hosting_functions.sh launched by update_domaines.sh
|
|
* Action may be create/postinst/delete/enable/disable
|
|
* Change the template for this domain name to have the proper CERTIFICATE
|
|
* An algorithm determine the best possible certificate, which may be a BAD one
|
|
* (like a generic admin-shared or self-signed for localhost as a last chance)
|
|
*/
|
|
public function updateDomain($action, $type, $fqdn, $mail = 0, $value = "") {
|
|
global $db, $msg;
|
|
$msg->log("ssl", "update_domain($action,$type,$fqdn)");
|
|
if (!in_array($type, $this->myDomainesTypes)) {
|
|
return; // nothing to do : the type is not our to start with ;)
|
|
}
|
|
if ($action == "postinst") {
|
|
$msg->log("ssl", "update_domain:CREATE($action,$type,$fqdn)");
|
|
$offset = 0;
|
|
$found = false;
|
|
do { // try each subdomain (strtok-style) and search them in sub_domaines table:
|
|
$db->query("SELECT * FROM sub_domaines WHERE "
|
|
. "sub='" . substr($fqdn, 0, $offset) . "' AND domaine='" . substr($fqdn, $offset + ($offset != 0)) . "' "
|
|
. "AND web_action NOT IN ('','OK') AND type='" . $type . "';");
|
|
if ($db->next_record()) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
$offset = strpos($fqdn, ".", $offset+1);
|
|
//No more dot, we prevent an infinite loop
|
|
if (!$offset) {
|
|
break;
|
|
}
|
|
} while (true);
|
|
if (!$found) {
|
|
echo "FATAL: didn't found fqdn $fqdn in sub_domaines table !\n";
|
|
return;
|
|
}
|
|
// found and $db point to it:
|
|
$subdom = $db->Record;
|
|
$TARGET_FILE = "/var/lib/alternc/apache-vhost/" . substr($subdom["compte"], -1) . "/" . $subdom["compte"] . "/" . $fqdn . ".conf";
|
|
$cert = $this->searchBestCert($subdom["compte"], $fqdn);
|
|
// DEBUG echo "Return from searchBestCert(" . $subdom["compte"] . "," . $fqdn . ") is "; print_r($cert);
|
|
// Save crt/key/chain into KEY_REPOSITORY
|
|
$CRTDIR = self::KEY_REPOSITORY . "/" . $subdom["compte"];
|
|
@mkdir($CRTDIR);
|
|
// Don't *overwrite* existing self-signed certificates in KEY_REPOSITORY
|
|
if (isset($cert["selfsigned"]) &&
|
|
file_exists($CRTDIR . "/" . $fqdn . ".crt") &&
|
|
file_exists($CRTDIR . "/" . $fqdn . ".key")) {
|
|
echo "Self-Signed certificate reused...\n";
|
|
} else {
|
|
file_put_contents($CRTDIR . "/" . $fqdn . ".crt", $cert["sslcrt"]);
|
|
file_put_contents($CRTDIR . "/" . $fqdn . ".key", $cert["sslkey"]);
|
|
if (isset($cert["sslchain"]) && $cert["sslchain"]) {
|
|
file_put_contents($CRTDIR . "/" . $fqdn . ".chain", $cert["sslchain"]);
|
|
}
|
|
}
|
|
// edit apache conf file to set the certificate:
|
|
$s = file_get_contents($TARGET_FILE);
|
|
$s = str_replace("%%CRT%%", $CRTDIR . "/" . $fqdn . ".crt", $s);
|
|
$s = str_replace("%%KEY%%", $CRTDIR . "/" . $fqdn . ".key", $s);
|
|
if (isset($cert["sslchain"]) && $cert["sslchain"]) {
|
|
$s = str_replace("%%CHAINLINE%%", "SSLCertificateChainFile " . $CRTDIR . "/" . $fqdn . ".chain", $s);
|
|
} else {
|
|
$s = str_replace("%%CHAINLINE%%", "", $s);
|
|
}
|
|
file_put_contents($TARGET_FILE, $s);
|
|
// Edit certif_hosts:
|
|
$db->query("DELETE FROM certif_hosts WHERE sub=" . $subdom["id"] . ";");
|
|
$db->query("INSERT INTO certif_hosts SET "
|
|
. "sub=" . intval($subdom["id"]) . ", "
|
|
. "certif=" . intval($cert["id"]) . ", "
|
|
. "uid=" . intval($subdom["compte"]) . ";");
|
|
} // action==create
|
|
if ($action == "delete") {
|
|
$msg->log("ssl", "update_domain:DELETE($action,$type,$fqdn)");
|
|
$offset = 0;
|
|
$found = false;
|
|
do { // try each subdomain (strtok-style) and search them in sub_domaines table:
|
|
$db->query("SELECT * FROM sub_domaines WHERE "
|
|
. "sub='" . substr($fqdn, 0, $offset) . "' AND domaine='" . substr($fqdn, $offset + ($offset != 0)) . "' "
|
|
. "AND web_action NOT IN ('','OK') AND type='" . $type . "';");
|
|
if ($db->next_record()) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
$offset = strpos($fqdn, ".", $offset+1);
|
|
//No more dot, we prevent an infinite loop
|
|
if (!$offset) {
|
|
break;
|
|
}
|
|
} while (true);
|
|
if (!$found) {
|
|
echo "FATAL: didn't found fqdn $fqdn in sub_domaines table !\n";
|
|
return;
|
|
}
|
|
// found and $db point to it:
|
|
$subdom = $db->Record;
|
|
$db->query("DELETE FROM certif_hosts WHERE sub=" . $subdom["id"] . ";");
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------
|
|
/** Search for the best certificate for a user and a fqdn
|
|
* Return a hash with sslcrt, sslkey and maybe sslchain.
|
|
* return ANYWAY : if necessary, return a newly created (and stored in KEY_REPOSITORY localhost self-signed certificate...
|
|
*/
|
|
public function searchBestCert($uid, $fqdn) {
|
|
global $db;
|
|
$uid = intval($uid);
|
|
// 1st search for a valid certificate in my account or shared by the admin:
|
|
// the ORDER BY make it so that we try VALID then EXPIRED one (sad)
|
|
$wildcard = "*." . substr($fqdn, strpos($fqdn, ".") + 1);
|
|
$db->query("SELECT * FROM certificates WHERE (status=".self::STATUS_OK." OR status=".self::STATUS_EXPIRED.") "
|
|
. "AND (uid=" . $uid . " OR shared=1) "
|
|
. "AND (fqdn='" . $fqdn . "' OR fqdn='" . $wildcard . "' OR altnames LIKE '%" . $fqdn . "%') "
|
|
. "ORDER BY (validstart<=NOW() AND validend>=NOW()) DESC, validstart DESC ");
|
|
while ($db->next_record()) {
|
|
// name
|
|
if ($db->Record["fqdn"] == $fqdn) {
|
|
return $db->Record;
|
|
}
|
|
// or alternative names
|
|
$altnames = explode("\n", $db->Record["altnames"]);
|
|
foreach ($altnames as $altname) {
|
|
if (trim($altname) == $fqdn) {
|
|
return $db->Record;
|
|
}
|
|
}
|
|
// or wildcard
|
|
if ($db->Record["fqdn"] == $wildcard) {
|
|
return $db->Record;
|
|
}
|
|
}
|
|
// not found, we generate a one-time self-signed certificate for this host.
|
|
$crt = $this->selfSigned($fqdn);
|
|
$crt["uid"] = $uid;
|
|
return $crt;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Export every information for an AlternC's account
|
|
* @access private
|
|
* EXPERIMENTAL 'sid' function ;)
|
|
*/
|
|
function alternc_export_conf() {
|
|
global $db, $msg, $cuid;
|
|
$msg->log("ssl", "export");
|
|
$str = " <ssl>";
|
|
$db->query("SELECT COUNT(*) AS cnt FROM certificates WHERE uid='$cuid' AND status!=" . self::STATUS_EXPIRED);
|
|
while ($db->next_record()) {
|
|
$str.=" <id>" . ($db->Record["id"]) . "</id>\n";
|
|
$str.=" <csr>" . ($db->Record["sslcsr"]) . "</key>\n";
|
|
$str.=" <key>" . ($db->Record["sslkey"]) . "<key>\n";
|
|
$str.=" <crt>" . ($db->Record["sslcrt"]) . "</crt>\n";
|
|
$str.=" <chain>" . ($db->Record["sslchain"]) . "<chain>\n";
|
|
}
|
|
$str.=" </ssl>\n";
|
|
return $str;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Returns the list of alternate names of an X.509 SSL Certificate
|
|
* from the attribute list.
|
|
* @param $str string the $crtdata["extensions"]["subjectAltName"] from openssl
|
|
* @return array an array of FQDNs
|
|
*/
|
|
function parseAltNames($str) {
|
|
$mat = array();
|
|
if (preg_match_all("#DNS:([^,]*)#", $str, $mat, PREG_PATTERN_ORDER)) {
|
|
return implode("\n", $mat[1]);
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Add (immediately) a global alias to the HTTP
|
|
* certif_alias table and add it to apache configuration
|
|
* by launching a incron action.
|
|
* name is the name of the alias, starting by /
|
|
* content is the content of the filename stored at this location
|
|
* If an alias with the same name already exists, return false.
|
|
* if the alias has been properly defined, return true.
|
|
* @return boolean
|
|
*/
|
|
function alias_add($name, $content) {
|
|
global $msg, $cuid, $db;
|
|
$db->query("SELECT name FROM certif_alias WHERE name='" . addslashes($name) . "';");
|
|
if ($db->next_record()) {
|
|
$msg->raise("ERROR","ssl", _("Alias already exists"));
|
|
return false;
|
|
}
|
|
$db->query("INSERT INTO certif_alias SET name='" . addslashes($name) . "', content='" . addslashes($content) . "', uid=" . intval($cuid) . ";");
|
|
touch(self::SSL_INCRON_FILE);
|
|
return true;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Removes (immediately) a global alias to the HTTP
|
|
* certif_alias table and add it to apache configuration
|
|
* by launching a incron action.
|
|
* name is the name of the alias, starting by /
|
|
* @return boolean
|
|
*/
|
|
function alias_del($name) {
|
|
global $msg, $cuid, $db;
|
|
$db->query("SELECT name FROM certif_alias WHERE name='" . addslashes($name) . "' AND uid=" . intval($cuid) . ";");
|
|
if (!$db->next_record()) {
|
|
$msg->raise("ERROR","ssl", _("Alias not found"));
|
|
return false;
|
|
}
|
|
$db->query("DELETE FROM certif_alias WHERE name='" . addslashes($name) . "' AND uid=" . intval($cuid) . ";");
|
|
touch(self::SSL_INCRON_FILE);
|
|
return true;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Check that a crt is a proper certificate
|
|
* @param $crt string an SSL Certificate
|
|
* @param $chain string is a list of certificates
|
|
* @param $key string is a rsa key associated with certificate
|
|
* @param $certid if no key is specified, use it from this certificate ID in the table
|
|
* @return array the crt, chain, key, crtdata(array) after a proper reformatting
|
|
* or false if an error occurred (in that case $this->error is filled)
|
|
*/
|
|
function check_cert($crt, $chain, $key = "", $certid = null) {
|
|
global $db;
|
|
// Check that the key crt and chain are really SSL certificates and keys
|
|
$crt = trim(str_replace("\r\n", "\n", $crt)) . "\n";
|
|
$key = trim(str_replace("\r\n", "\n", $key)) . "\n";
|
|
$chain = trim(str_replace("\r\n", "\n", $chain)) . "\n";
|
|
|
|
$this->error = "";
|
|
if (trim($key) == "" && !is_null($certid)) {
|
|
// find it in the DB :
|
|
$db->query("SELECT sslkey FROM certificates WHERE id=" . intval($certid) . ";");
|
|
if (!$db->next_record()) {
|
|
$this->error.=_("Can't find the private key in the certificate table, please check your form.");
|
|
return false;
|
|
}
|
|
$key = $db->f("sslkey");
|
|
$key = trim(str_replace("\r\n", "\n", $key)) . "\n";
|
|
}
|
|
|
|
if (substr($crt, 0, 28) != "-----BEGIN CERTIFICATE-----\n" ||
|
|
substr($crt, -26, 26) != "-----END CERTIFICATE-----\n") {
|
|
$this->error.=_("The certificate must begin by BEGIN CERTIFICATE and end by END CERTIFICATE lines. Please check you pasted it in PEM form.") . "<br>\n";
|
|
}
|
|
if (trim($chain) &&
|
|
(substr($chain, 0, 28) != "-----BEGIN CERTIFICATE-----\n" ||
|
|
substr($chain, -26, 26) != "-----END CERTIFICATE-----\n")) {
|
|
$this->error.=_("The chained certificate must begin by BEGIN CERTIFICATE and end by END CERTIFICATE lines. Please check you pasted it in PEM form.") . "<br>\n";
|
|
}
|
|
if ((substr($key, 0, 32) != "-----BEGIN RSA PRIVATE KEY-----\n" ||
|
|
substr($key, -30, 30) != "-----END RSA PRIVATE KEY-----\n") &&
|
|
(substr($key, 0, 28) != "-----BEGIN PRIVATE KEY-----\n" ||
|
|
substr($key, -26, 26) != "-----END PRIVATE KEY-----\n")) {
|
|
$this->error.=_("The private key must begin by BEGIN (RSA )PRIVATE KEY and end by END (RSA )PRIVATE KEY lines. Please check you pasted it in PEM form.") . "<br>\n";
|
|
}
|
|
if ($this->error) {
|
|
return false;
|
|
}
|
|
|
|
// We split the chained certificates in individuals certificates :
|
|
$chains = array();
|
|
$status = 0;
|
|
$new = "";
|
|
$lines = explode("\n", $chain);
|
|
foreach ($lines as $line) {
|
|
if ($line == "-----BEGIN CERTIFICATE-----" && $status == 0) {
|
|
$status = 1;
|
|
$new = $line . "\n";
|
|
continue;
|
|
}
|
|
if ($line == "-----END CERTIFICATE-----" && $status == 1) {
|
|
$status = 0;
|
|
$new.=$line . "\n";
|
|
$chains[] = $new;
|
|
$new = "";
|
|
continue;
|
|
}
|
|
if ($status == 1) {
|
|
$new.=$line . "\n";
|
|
}
|
|
}
|
|
// here chains contains all the ssl certificates in the chained certs.
|
|
// Now we check those using Openssl functions (real check :) )
|
|
$rchains = array();
|
|
$i = 0;
|
|
foreach ($chains as $tmpcert) {
|
|
$i++;
|
|
$tmpr = openssl_x509_read($tmpcert);
|
|
if ($tmpr === false) {
|
|
$this->error.=sprintf(_("The %d-th certificate in the chain is invalid"), $i) . "<br>\n";
|
|
} else {
|
|
$rchains[] = $tmpr;
|
|
}
|
|
}
|
|
$rcrt = openssl_x509_read($crt);
|
|
$crtdata = openssl_x509_parse($crt);
|
|
if ($rcrt === false || $crtdata === false) {
|
|
$this->error.=_("The certificate is invalid.") . "<br>\n";
|
|
}
|
|
|
|
$rkey = openssl_pkey_get_private($key);
|
|
if ($rkey === false) {
|
|
$this->error.=_("The private key is invalid.") . "<br>\n";
|
|
}
|
|
if (!$this->error) {
|
|
// check that the private key and the certificates are matching :
|
|
if (!openssl_x509_check_private_key($rcrt, $rkey)) {
|
|
$this->error.=_("The private key is not the one signed inside the certificate.") . "<br>\n";
|
|
}
|
|
}
|
|
if (!$this->error) {
|
|
// Everything is fine, let's recreate crt, chain, key from our internal OpenSSL structures:
|
|
if (!openssl_x509_export($rcrt, $crt)) {
|
|
$this->error.=_("Can't export your certificate as a string, please check its syntax.") . "<br>\n";
|
|
}
|
|
$chain = "";
|
|
foreach ($rchains as $r) {
|
|
if (!openssl_x509_export($r, $tmp)) {
|
|
$this->error.=_("Can't export one of your chained certificates as a string, please check its syntax.") . "<br>\n";
|
|
} else {
|
|
$chain.=$tmp;
|
|
}
|
|
}
|
|
if (!openssl_pkey_export($rkey, $key)) {
|
|
$this->error.=_("Can't export your private key as a string, please check its syntax.") . "<br>\n";
|
|
}
|
|
}
|
|
return array($crt, $chain, $key, $crtdata);
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Generate a self-signed certificate
|
|
*
|
|
* @param string $fqdn the fully qualified domain name to set as commonName for the certificate
|
|
* @return hash an array similar to a certificate DB row containing everything (sslcrt, sslcsr, sslkey, sslchain)
|
|
*/
|
|
private function selfSigned($fqdn) {
|
|
global $msg;
|
|
putenv("OPENSSL_CONF=/etc/alternc/openssl.cnf");
|
|
$pkey = openssl_pkey_new();
|
|
if (!$pkey) {
|
|
$msg->raise("ERROR","ssl", _("Can't generate a private key (1)"));
|
|
return false;
|
|
}
|
|
$privKey = "";
|
|
if (!openssl_pkey_export($pkey, $privKey)) {
|
|
$msg->raise("ERROR","ssl", _("Can't generate a private key (2)"));
|
|
return false;
|
|
}
|
|
$dn = array("commonName" => $fqdn);
|
|
// override the (not taken from openssl.cnf) digest to use SHA-2 / SHA256 and not SHA-1 or MD5 :
|
|
$config = array("digest_alg" => "sha256");
|
|
$csr = openssl_csr_new($dn, $pkey, $config);
|
|
$csrout = "";
|
|
openssl_csr_export($csr, $csrout);
|
|
$crt = openssl_csr_sign($csr, null, $pkey, 3650, $config);
|
|
$crtout = "";
|
|
openssl_x509_export($crt, $crtout);
|
|
return array("id" => 0, "status" => 1, "shared" => 0, "fqdn" => $fqdn, "altnames" => "",
|
|
"validstart" => date("Y-m-d H:i:s"), "validend" => date("Y-m-d H:i:s", time() + 86400 * 10 * 365.249),
|
|
"sslcsr" => $csrout, "sslcrt" => $crtout, "sslkey" => $privKey, "sslchain" => "",
|
|
"selfsigned" => true,
|
|
);
|
|
}
|
|
|
|
|
|
function dummy() {
|
|
_("Locally hosted forcing HTTPS");
|
|
_("Locally hosted HTTP and HTTPS");
|
|
_("HTTPS AlternC panel access");
|
|
_("HTTPS Roundcube Webmail");
|
|
_("HTTPS Squirrelmail Webmail");
|
|
_("php52 forcing HTTPS");
|
|
_("php52 HTTP and HTTPS");
|
|
}
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|
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|
}
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|
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|
/* Class m_ssl */
|