828 lines
36 KiB
PHP
828 lines
36 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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}
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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 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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// Everything is PERFECT and has been thoroughly checked, let's insert those in the DB !
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$sql = "INSERT INTO certificates SET uid='$cuid', status=" . self::STATUS_OK . ", shared=0, fqdn='" . addslashes($fqdn) . "', altnames='" . addslashes($altnames) . "', validstart=FROM_UNIXTIME(" . intval($validstart) . "), validend=FROM_UNIXTIME(" . intval($validend) . "), sslkey='" . addslashes($key) . "', sslcrt='" . addslashes($crt) . "', sslchain='" . addslashes($chain) . "';";
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$db->query($sql);
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if (!($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() {
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global $db, $msg, $cuid;
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$msg->log("ssl", "alternc_del_member");
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$db->query("UPDATE certificates SET ssl_action='DELETE' WHERE uid='$cuid'");
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return true;
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}
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// -----------------------------------------------------------------
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/** Hook which returns the used quota for the $name service for the current user.
|
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* @param $name string name of the quota
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* @return integer the number of service used or false if an error occured
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* @access private
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*/
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function hook_quota_get() {
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global $db, $msg, $cuid;
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$msg->log("ssl", "getquota");
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$q = Array("name" => "ssl", "description" => _("SSL Certificates"), "used" => 0);
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$db->query("SELECT COUNT(*) AS cnt FROM certificates WHERE uid='$cuid' AND status!=" . self::STATUS_EXPIRED);
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if ($db->next_record()) {
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$q['used'] = $db->f("cnt");
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}
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return $q;
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}
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|
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// -----------------------------------------------------------------
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/** Launched by functions in this class
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* when a certificate is validated, expired or shared.
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* so that existing vhost using expired or self-signed certificates
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* may have the chance to use a proper one automagically
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* @param string $fqdn the FQDN of the certificate
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* @param string $altnames any alternative names this certificate may have.
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*/
|
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public function updateTrigger($fqdn, $altnames = "") {
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global $db;
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$fqdns = array($fqdn);
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$an = explode("\n", $altnames);
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foreach ($an as $a)
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if (trim($a))
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$fqdns[] = trim($a);
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$db->query("UPDATE sub_domaines SET web_action='UPDATE' WHERE "
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. "if(LENGTH(sub)>0,CONCAT(sub,'.',domaine),domaine) IN ('" . implode("','", $fqdns) . "') "
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. "AND type LIKE '%ssl';");
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}
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// -----------------------------------------------------------------
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/** Launched by hosting_functions.sh launched by update_domaines.sh
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* Action may be create/postinst/delete/enable/disable
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* Change the template for this domain name to have the proper CERTIFICATE
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* An algorithm determine the best possible certificate, which may be a BAD one
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* (like a generic admin-shared or self-signed for localhost as a last chance)
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*/
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public function updateDomain($action, $type, $fqdn, $mail = 0, $value = "") {
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global $db, $msg;
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$msg->log("ssl", "update_domain($action,$type,$fqdn)");
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if (!in_array($type, $this->myDomainesTypes)) {
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return; // nothing to do : the type is not our to start with ;)
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}
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if ($action == "postinst") {
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$msg->log("ssl", "update_domain:CREATE($action,$type,$fqdn)");
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$offset = 0;
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$found = false;
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do { // try each subdomain (strtok-style) and search them in sub_domaines table:
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$db->query("SELECT * FROM sub_domaines WHERE "
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. "sub='" . substr($fqdn, 0, $offset) . "' AND domaine='" . substr($fqdn, $offset + ($offset != 0)) . "' "
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. "AND web_action NOT IN ('','OK') AND type='" . $type . "';");
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if ($db->next_record()) {
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$found = true;
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break;
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}
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$offset = strpos($fqdn, ".", $offset+1);
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//No more dot, we prevent an infinite loop
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if (!$offset) {
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break;
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}
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} while (true);
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if (!$found) {
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echo "FATAL: didn't found fqdn $fqdn in sub_domaines table !\n";
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return;
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}
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// found and $db point to it:
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$subdom = $db->Record;
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$TARGET_FILE = "/var/lib/alternc/apache-vhost/" . substr($subdom["compte"], -1) . "/" . $subdom["compte"] . "/" . $fqdn . ".conf";
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$cert = $this->searchBestCert($subdom["compte"], $fqdn);
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// DEBUG echo "Return from searchBestCert(" . $subdom["compte"] . "," . $fqdn . ") is "; print_r($cert);
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// Save crt/key/chain into KEY_REPOSITORY
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$CRTDIR = self::KEY_REPOSITORY . "/" . $subdom["compte"];
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@mkdir($CRTDIR);
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// Don't *overwrite* existing self-signed certificates in KEY_REPOSITORY
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if (isset($cert["selfsigned"]) &&
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file_exists($CRTDIR . "/" . $fqdn . ".crt") &&
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file_exists($CRTDIR . "/" . $fqdn . ".key")) {
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echo "Self-Signed certificate reused...\n";
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} else {
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file_put_contents($CRTDIR . "/" . $fqdn . ".crt", $cert["sslcrt"]);
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file_put_contents($CRTDIR . "/" . $fqdn . ".key", $cert["sslkey"]);
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if (isset($cert["sslchain"]) && $cert["sslchain"]) {
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file_put_contents($CRTDIR . "/" . $fqdn . ".chain", $cert["sslchain"]);
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}
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}
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// edit apache conf file to set the certificate:
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$s = file_get_contents($TARGET_FILE);
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$s = str_replace("%%CRT%%", $CRTDIR . "/" . $fqdn . ".crt", $s);
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$s = str_replace("%%KEY%%", $CRTDIR . "/" . $fqdn . ".key", $s);
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if (isset($cert["sslchain"]) && $cert["sslchain"]) {
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$s = str_replace("%%CHAINLINE%%", "SSLCertificateChainFile " . $CRTDIR . "/" . $fqdn . ".chain", $s);
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} else {
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$s = str_replace("%%CHAINLINE%%", "", $s);
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}
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file_put_contents($TARGET_FILE, $s);
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// Edit certif_hosts:
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$db->query("DELETE FROM certif_hosts WHERE sub=" . $subdom["id"] . ";");
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$db->query("INSERT INTO certif_hosts SET "
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. "sub=" . intval($subdom["id"]) . ", "
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. "certif=" . intval($cert["id"]) . ", "
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. "uid=" . intval($subdom["compte"]) . ";");
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} // action==create
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if ($action == "delete") {
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$msg->log("ssl", "update_domain:DELETE($action,$type,$fqdn)");
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$offset = 0;
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$found = false;
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do { // try each subdomain (strtok-style) and search them in sub_domaines table:
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$db->query("SELECT * FROM sub_domaines WHERE "
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. "sub='" . substr($fqdn, 0, $offset) . "' AND domaine='" . substr($fqdn, $offset + ($offset != 0)) . "' "
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. "AND web_action NOT IN ('','OK') AND type='" . $type . "';");
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if ($db->next_record()) {
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$found = true;
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break;
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}
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$offset = strpos($fqdn, ".", $offset+1);
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//No more dot, we prevent an infinite loop
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if (!$offset) {
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break;
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}
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} while (true);
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if (!$found) {
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echo "FATAL: didn't found fqdn $fqdn in sub_domaines table !\n";
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return;
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}
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// found and $db point to it:
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$subdom = $db->Record;
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$db->query("DELETE FROM certif_hosts WHERE sub=" . $subdom["id"] . ";");
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}
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}
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// ----------------------------------------------------------------
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/** Search for the best certificate for a user and a fqdn
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* Return a hash with sslcrt, sslkey and maybe sslchain.
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* return ANYWAY : if necessary, return a newly created (and stored in KEY_REPOSITORY localhost self-signed certificate...
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*/
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public function searchBestCert($uid, $fqdn) {
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global $db;
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$uid = intval($uid);
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// 1st search for a valid certificate in my account or shared by the admin:
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// the ORDER BY make it so that we try VALID then EXPIRED one (sad)
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$wildcard = "*." . substr($fqdn, strpos($fqdn, ".") + 1);
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$db->query("SELECT * FROM certificates WHERE (status=".self::STATUS_OK." OR status=".self::STATUS_EXPIRED.") "
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. "AND (uid=" . $uid . " OR shared=1) "
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. "AND (fqdn='" . $fqdn . "' OR fqdn='" . $wildcard . "' OR altnames LIKE '%" . $fqdn . "%') "
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. "ORDER BY (validstart<=NOW() AND validend>=NOW()) DESC, validstart DESC ");
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while ($db->next_record()) {
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// name
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if ($db->Record["fqdn"] == $fqdn) {
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return $db->Record;
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}
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// or alternative names
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$altnames = explode("\n", $db->Record["altnames"]);
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foreach ($altnames as $altname) {
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if (trim($altname) == $fqdn) {
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return $db->Record;
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}
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}
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// or wildcard
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if ($db->Record["fqdn"] == $wildcard) {
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return $db->Record;
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}
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}
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// not found, we generate a one-time self-signed certificate for this host.
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$crt = $this->selfSigned($fqdn);
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$crt["uid"] = $uid;
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return $crt;
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}
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// -----------------------------------------------------------------
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/** Export every information for an AlternC's account
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* @access private
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* EXPERIMENTAL 'sid' function ;)
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*/
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function alternc_export_conf() {
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global $db, $msg, $cuid;
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$msg->log("ssl", "export");
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$str = " <ssl>";
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$db->query("SELECT COUNT(*) AS cnt FROM certificates WHERE uid='$cuid' AND status!=" . self::STATUS_EXPIRED);
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while ($db->next_record()) {
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$str.=" <id>" . ($db->Record["id"]) . "</id>\n";
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$str.=" <csr>" . ($db->Record["sslcsr"]) . "</key>\n";
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$str.=" <key>" . ($db->Record["sslkey"]) . "<key>\n";
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$str.=" <crt>" . ($db->Record["sslcrt"]) . "</crt>\n";
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$str.=" <chain>" . ($db->Record["sslchain"]) . "<chain>\n";
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}
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$str.=" </ssl>\n";
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return $str;
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}
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// -----------------------------------------------------------------
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/** Returns the list of alternate names of an X.509 SSL Certificate
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* from the attribute list.
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* @param $str string the $crtdata["extensions"]["subjectAltName"] from openssl
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* @return array an array of FQDNs
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*/
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function parseAltNames($str) {
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$mat = array();
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if (preg_match_all("#DNS:([^,]*)#", $str, $mat, PREG_PATTERN_ORDER)) {
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return implode("\n", $mat[1]);
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} else {
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return "";
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}
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}
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// -----------------------------------------------------------------
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/** Add (immediately) a global alias to the HTTP
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* certif_alias table and add it to apache configuration
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* by launching a incron action.
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* name is the name of the alias, starting by /
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* content is the content of the filename stored at this location
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* If an alias with the same name already exists, return false.
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* if the alias has been properly defined, return true.
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* @return boolean
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*/
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function alias_add($name, $content) {
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global $msg, $cuid, $db;
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$db->query("SELECT name FROM certif_alias WHERE name='" . addslashes($name) . "';");
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if ($db->next_record()) {
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$msg->raise("ERROR","ssl", _("Alias already exists"));
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return false;
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}
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$db->query("INSERT INTO certif_alias SET name='" . addslashes($name) . "', content='" . addslashes($content) . "', uid=" . intval($cuid) . ";");
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touch(self::SSL_INCRON_FILE);
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return true;
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}
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// -----------------------------------------------------------------
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/** Removes (immediately) a global alias to the HTTP
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* certif_alias table and add it to apache configuration
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* by launching a incron action.
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* name is the name of the alias, starting by /
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* @return boolean
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*/
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function alias_del($name) {
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global $msg, $cuid, $db;
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$db->query("SELECT name FROM certif_alias WHERE name='" . addslashes($name) . "' AND uid=" . intval($cuid) . ";");
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if (!$db->next_record()) {
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$msg->raise("ERROR","ssl", _("Alias not found"));
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return false;
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}
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$db->query("DELETE FROM certif_alias WHERE name='" . addslashes($name) . "' AND uid=" . intval($cuid) . ";");
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touch(self::SSL_INCRON_FILE);
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return true;
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}
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// -----------------------------------------------------------------
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/** Check that a crt is a proper certificate
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* @param $crt string an SSL Certificate
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* @param $chain string is a list of certificates
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* @param $key string is a rsa key associated with certificate
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* @param $certid if no key is specified, use it from this certificate ID in the table
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* @return array the crt, chain, key, crtdata(array) after a proper reformatting
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* or false if an error occurred (in that case $this->error is filled)
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*/
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function check_cert($crt, $chain, $key = "", $certid = null) {
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global $db;
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// Check that the key crt and chain are really SSL certificates and keys
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$crt = trim(str_replace("\r\n", "\n", $crt)) . "\n";
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$key = trim(str_replace("\r\n", "\n", $key)) . "\n";
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$chain = trim(str_replace("\r\n", "\n", $chain)) . "\n";
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$this->error = "";
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if (trim($key) == "" && !is_null($certid)) {
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// find it in the DB :
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$db->query("SELECT sslkey FROM certificates WHERE id=" . intval($certid) . ";");
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if (!$db->next_record()) {
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$this->error.=_("Can't find the private key in the certificate table, please check your form.");
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return false;
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}
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$key = $db->f("sslkey");
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$key = trim(str_replace("\r\n", "\n", $key)) . "\n";
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}
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if (substr($crt, 0, 28) != "-----BEGIN CERTIFICATE-----\n" ||
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substr($crt, -26, 26) != "-----END CERTIFICATE-----\n") {
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$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";
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}
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if (trim($chain) &&
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(substr($chain, 0, 28) != "-----BEGIN CERTIFICATE-----\n" ||
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substr($chain, -26, 26) != "-----END CERTIFICATE-----\n")) {
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$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";
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}
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if ((substr($key, 0, 32) != "-----BEGIN RSA PRIVATE KEY-----\n" ||
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substr($key, -30, 30) != "-----END RSA PRIVATE KEY-----\n") &&
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(substr($key, 0, 28) != "-----BEGIN PRIVATE KEY-----\n" ||
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substr($key, -26, 26) != "-----END PRIVATE KEY-----\n")) {
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$this->error.=_("The private key must begin by BEGIN (RSA )PRIVATE KEY and end by END (RSA )PRIVATE KEY lines. Please check you pasted it in PEM form.") . "<br>\n";
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}
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if ($this->error) {
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return false;
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}
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// We split the chained certificates in individuals certificates :
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$chains = array();
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$status = 0;
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$new = "";
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$lines = explode("\n", $chain);
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foreach ($lines as $line) {
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if ($line == "-----BEGIN CERTIFICATE-----" && $status == 0) {
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$status = 1;
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$new = $line . "\n";
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continue;
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}
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if ($line == "-----END CERTIFICATE-----" && $status == 1) {
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$status = 0;
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$new.=$line . "\n";
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$chains[] = $new;
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$new = "";
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continue;
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}
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if ($status == 1) {
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$new.=$line . "\n";
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}
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}
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// here chains contains all the ssl certificates in the chained certs.
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// Now we check those using Openssl functions (real check :) )
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$rchains = array();
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$i = 0;
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foreach ($chains as $tmpcert) {
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$i++;
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$tmpr = openssl_x509_read($tmpcert);
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if ($tmpr === false) {
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$this->error.=sprintf(_("The %d-th certificate in the chain is invalid"), $i) . "<br>\n";
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} else {
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$rchains[] = $tmpr;
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}
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}
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$rcrt = openssl_x509_read($crt);
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$crtdata = openssl_x509_parse($crt);
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if ($rcrt === false || $crtdata === false) {
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$this->error.=_("The certificate is invalid.") . "<br>\n";
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}
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$rkey = openssl_pkey_get_private($key);
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if ($rkey === false) {
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$this->error.=_("The private key is invalid.") . "<br>\n";
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}
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if (!$this->error) {
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// check that the private key and the certificates are matching :
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if (!openssl_x509_check_private_key($rcrt, $rkey)) {
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$this->error.=_("The private key is not the one signed inside the certificate.") . "<br>\n";
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}
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}
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if (!$this->error) {
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// Everything is fine, let's recreate crt, chain, key from our internal OpenSSL structures:
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if (!openssl_x509_export($rcrt, $crt)) {
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$this->error.=_("Can't export your certificate as a string, please check its syntax.") . "<br>\n";
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}
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$chain = "";
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foreach ($rchains as $r) {
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if (!openssl_x509_export($r, $tmp)) {
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$this->error.=_("Can't export one of your chained certificates as a string, please check its syntax.") . "<br>\n";
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} else {
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$chain.=$tmp;
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}
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}
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if (!openssl_pkey_export($rkey, $key)) {
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$this->error.=_("Can't export your private key as a string, please check its syntax.") . "<br>\n";
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}
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}
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return array($crt, $chain, $key, $crtdata);
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}
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// -----------------------------------------------------------------
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/** Generate a self-signed certificate
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*
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* @param string $fqdn the fully qualified domain name to set as commonName for the certificate
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* @return hash an array similar to a certificate DB row containing everything (sslcrt, sslcsr, sslkey, sslchain)
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*/
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private function selfSigned($fqdn) {
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global $msg;
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putenv("OPENSSL_CONF=/etc/alternc/openssl.cnf");
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$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, $csrout);
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$crt = openssl_csr_sign($csr, null, $pkey, 3650, $config);
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$crtout = "";
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openssl_x509_export($crt, $crtout);
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return array("id" => 0, "status" => 1, "shared" => 0, "fqdn" => $fqdn, "altnames" => "",
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"validstart" => date("Y-m-d H:i:s"), "validend" => date("Y-m-d H:i:s", time() + 86400 * 10 * 365.249),
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"sslcsr" => $csrout, "sslcrt" => $crtout, "sslkey" => $privKey, "sslchain" => "",
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"selfsigned" => true,
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);
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}
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function dummy() {
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_("Locally hosted forcing HTTPS");
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_("Locally hosted HTTP and HTTPS");
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_("HTTPS AlternC panel access");
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_("HTTPS Roundcube Webmail");
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_("HTTPS Squirrelmail Webmail");
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_("php52 forcing HTTPS");
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_("php52 HTTP and HTTPS");
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}
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}
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/* Class m_ssl */
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