807 lines
34 KiB
PHP
807 lines
34 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 KEY_REPOSITORY = "/var/lib/alternc/ssl/private";
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const SPECIAL_CERTIFICATE_ID_PATH = "/var/lib/alternc/ssl/special_id.json";
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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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* Return the list of special FQDN for which we'd like to obtain a certificate too.
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* (apart from sub+domaine from sub_domaines table)
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* used by providers to get the certs they should generate
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* also used by update_domaines to choose which cert to use for a specific fqdn
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*/
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function get_fqdn_specials() {
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global $L_FQDN;
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$specials=array($L_FQDN);
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$variables=array("fqdn_dovecot","fqdn_postfix","fqdn_proftpd","fqdn_mailman");
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foreach($variables as $var) {
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$value = variable_get($var,null);
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if ($value && !in_array($value,$specials)) {
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$specials[]=$value;
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}
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}
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return $specials;
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}
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// -----------------------------------------------------------------
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/**
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* set expired certificates as such :
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*/
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function expire_certificates() {
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global $db;
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$db->query("UPDATE certificates SET status=".self::STATUS_EXPIRED." WHERE status=".self::STATUS_OK." AND validend<NOW();");
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}
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// -----------------------------------------------------------------
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/**
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* Crontab launched every minute
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* to search for new certificates and launch web_action="UPDATE"
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*/
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function cron_new_certs() {
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global $db,$msg,$dom;
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$db->query("SELECT max(id) AS maxid FROM certificates;");
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if (!$db->next_record()) {
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$msg->raise("ERROR","ssl",_("FATAL: no certificates in certificates table, even the SnakeOil one??"));
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return false;
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}
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$maxid=$db->Record["maxid"];
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if ($maxid>$this->last_certificate_id) {
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$db->query("SELECT id,fqdn,altnames,sslcrt FROM certificates WHERE id>?",array($this->last_certificate_id));
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$certs=array();
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// fill an array of fqdn/altnames
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while ($db->next_record()) {
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if (!$db->Record["sslcrt"]) continue; // skip NOT FINALIZED certificates !!
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list($altnames)=explode("\n",$db->Record["altnames"]);
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$certs[]=array("id"=>$db->Record["id"],"fqdn"=>$db->Record["fqdn"]);
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foreach($altnames as $altname) {
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$certs[]=array("id"=>$db->Record["id"],"fqdn"=>$altname);
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}
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}
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// get the list of subdomains-id that match the following FQDN (or wildcard)
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$updateids=array();
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foreach($certs as $cert) {
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$subids=$this->searchSubDomain($cert["fqdn"]);
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foreach($subids as $subid) {
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$updateids[$subid]=$cert["id"];
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}
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// if this fqdn match a special domain, update its certificate (and mark service for reloading)
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$this->update_specials_match($cert["id"],$cert["fqdn"]);
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}
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// update those subdomains
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$dom->lock();
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foreach($updateids as $id => $certid) {
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$db->query("UPDATE sub_domaines SET web_action=? WHERE id=?;",array("UPDATE",$id));
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$msg->raise("INFO","ssl",sprintf(_("Reloading domain %s as we have new certificate %s"),$id,$certid));
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}
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$dom->unlock();
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$this->last_certificate_id=$maxid;
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}
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}
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function fqdnmatch($cert,$fqdn) {
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if ($cert==$fqdn)
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return true;
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if (substr($cert,0,2)=="*." &&
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substr($cert,2)==substr($fqdn,strpos($fqdn,".")+1) )
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return true;
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return false;
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}
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// -----------------------------------------------------------------
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/**
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* update special system certificate that matches the cert fqdn:
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*/
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function update_specials_match($id,$fqdn) {
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global $L_FQDN;
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if ($this->fqdnmatch($fqdn,$L_FQDN)) {
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// new certificate for the panel
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$this->copycert("alternc-panel",$id);
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exec("service apache2 reload");
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}
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$variables=array("fqdn_dovecot","fqdn_postfix","fqdn_proftpd","fqdn_mailman");
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foreach($variables as $var) {
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$value = variable_get($var,null);
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if ($value) {
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if ($this->fqdnmatch($fqdn,$value)) {
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$this->copycert("alternc-".substr($var,5),$id);
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exec("service ".substr($var,5)." reload");
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}
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}
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}
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}
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// -----------------------------------------------------------------
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/**
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* copy a certificate (by its ID) to the system files
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* set the correct permissions
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* try to minimize zero-file-size risk or timing attack
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*/
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function copycert($target,$id) {
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global $db;
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$db->query("SELECT * FROM certificate WHERE id=?",array($id));
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if (!$db->next_record()) return false;
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if (!file_put_contents("/etc/ssl/certs/".$target.".crt.tmp",trim($db->Record["sslcrt"])."\n".trim($db->Record["sslchain"])))
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return false;
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chown("/etc/ssl/certs/".$target.".crt.tmp","root");
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chgrp("/etc/ssl/certs/".$target.".crt.tmp","ssl-cert");
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chmod("/etc/ssl/certs/".$target.".crt.tmp",0755);
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if (!file_put_contents("/etc/ssl/private/".$target.".key.tmp",$db->Record["sslkey"]))
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return false;
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chown("/etc/ssl/private/".$target.".key.tmp","root");
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chgrp("/etc/ssl/private/".$target.".key.tmp","ssl-cert");
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chmod("/etc/ssl/private/".$target.".key.tmp",0750);
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rename("/etc/ssl/certs/".$target.".crt.tmp","/etc/ssl/certs/".$target.".crt");
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rename("/etc/ssl/private/".$target.".key.tmp","/etc/ssl/private/".$target.".key");
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return true;
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}
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// -----------------------------------------------------------------
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/**
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* search for a FQDN as a fqdn or a wildcard in all subdomains currently hosted
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* return a list of subdomain-id
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*/
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function searchSubDomain($fqdn) {
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global $db;
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$db->query("SELECT sd.id FROM sub_domaines sd, domaines_type dt WHERE dt.name=sd.type AND dt.only_dns=0 AND
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(CONCAT(sd.sub,IF(sd.sub!='','.',''),sd.domaine)=?
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OR CONCAT('*.',SUBSTRING(CONCAT(sd.sub,IF(sd.sub!='','.',''),sd.domaine),
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INSTR(CONCAT(sd.sub,IF(sd.sub!='','.',''),sd.domaine),'.')+1))=?
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);",
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array($fqdn,$fqdn));
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$ids=array();
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while ($db->next_record()) {
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$ids[]=$db->Record["id"];
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}
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return $ids;
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}
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// -----------------------------------------------------------------
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/**
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* delete old certificates (expired for more than a year)
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*/
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function delete_old_certificates() {
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global $db;
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$db->query("SELECT c.id,sd.id AS used FROM certificates c LEFT JOIN sub_domaines sd ON sd.certificate_id=c.id WHERE c.status=".self::STATUS_EXPIRED." AND c.validend<DATE_SUB(NOW(), INTERVAL 12 MONTH) AND c.validend!='0000-00-00 00:00:00';");
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while ($db->next_record()) {
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if ($db->Record["used"]) {
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continue; // this certificate is used (even though it's expired :/ )
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}
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$CRTDIR = self::KEY_REPOSITORY . "/" . floor($db->Record["id"]/1000);
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@unlink($CRTDIR."/".$db->Record["id"].".crt");
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@unlink($CRTDIR."/".$db->Record["id"].".key");
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@unlink($CRTDIR."/".$db->Record["id"].".chain");
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$d=opendir($CRTDIR);
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$empty=true;
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while (($c=readdir($d))!==false) {
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if (is_file($CRTDIR."/".$c)) {
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$empty=false;
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break;
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}
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}
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closedir($d);
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if ($empty) {
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rmdir($CRTDIR);
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}
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}
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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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$this->expire_certificates();
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$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($filter)) {
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$filter = (self::FILTER_PENDING | self::FILTER_OK);
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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));
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// Here filter can't be null (and will be returned to the caller !)
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$sql = "";
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$sql = " uid='$cuid' ";
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$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 $sql ORDER BY validstart DESC;");
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if ($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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/** 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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* @param $provider string a provider if necessary
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* @return integer the Certificate ID created in the MySQL database
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* or false if an error occurred
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*/
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function new_csr($fqdn, $provider="manual") {
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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=?, status=?, fqdn=?, altnames='', validstart=NOW(), sslcsr=?, sslkey=?, provider=?;",array($cuid, self::STATUS_PENDING, $fqdn, $csrout, $privKey, $provider));
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if (!($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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* @param $id integer the certificate by id
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* @param $anyuser integer if you want to search cert for any user, set this to true
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* @return array all the informations of the current certificate as a hash.
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*/
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function get_certificate($id, $anyuser=false) {
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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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$sql="";
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if (!$anyuser) {
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$sql=" AND uid='".intval($cuid)."' ";
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}
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$db->query("SELECT *, UNIX_TIMESTAMP(validstart) AS validstartts, UNIX_TIMESTAMP(validend) AS validendts FROM certificates WHERE id=? $sql;",array($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 $db->Record;
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}
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// -----------------------------------------------------------------
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/** Return all the valid certificates that can be used for a specific FQDN
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* return the list of certificates by order of preference
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* (the 2 last will be the default FQDN and the snakeoil if necessary)
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* keys: id, provider, crt, chain, key, validstart, validend
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*/
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function get_valid_certs($fqdn, $provider="") {
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global $db, $msg, $cuid;
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$this->expire_certificates();
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$db->query("SELECT *, UNIX_TIMESTAMP(validstart) AS validstartts, UNIX_TIMESTAMP(validend) AS validendts FROM certificates WHERE status=".self::STATUS_OK." ORDER BY validstart DESC;");
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$good=array(); // list of good certificates
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$ugly=array(); // good but not with the right provider
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$bad=array(); // our snakeoil
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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($db->next_record()) {
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$found=false;
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if ($db->Record["fqdn"]==$fqdn || $db->Record["fqdn"]==$wildcard) {
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$found=true;
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} else {
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$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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$found=true;
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break;
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}
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}
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}
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if ($found) {
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if ($provider=="" || $provider==$db->Record["provider"]) {
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$good[]=$db->Record;
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} else {
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$ugly[]=$db->Record;
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}
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}
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// search for the default one, the one used by the panel
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if (!count($bad)) {
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$found=false;
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if ($db->Record["fqdn"]==$this->default_certificate_fqdn || $db->Record["fqdn"]==$defaultwild) {
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$found=true;
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} else {
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$alts=explode("\n",$db->Record["altnames"]);
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foreach($alts as $alt) {
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if ($alt==$this->default_certificate_fqdn || $alt==$defaultwild) {
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$found=true;
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break;
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}
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}
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}
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if ($found) {
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$bad=$db->Record;
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}
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}
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}
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// add the one with the bad provider
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if (count($ugly)) {
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$good=array_merge($good,$ugly);
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}
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// add the panel/default one
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if (count($bad)) {
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$good[]=$bad;
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}
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// Add the Snakeoil : #0
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$db->query("SELECT * FROM certificates WHERE id=0;");
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if ($db->next_record()) {
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$good[]=$db->Record;
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}
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return $good;
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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 signing the private RSA key in $key (we will check that anyway...)
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* @param $chain string the X.509 PEM-encoded list of SSL Certificate chain if intermediate authorities
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* TODO: check that the chain is effectively a chain to the CRT ...
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* @param $provider string the ssl cert provider
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* @return integer the ID of the newly created certificate in the table
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* or false if an error occurred
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*/
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function import_cert($key, $crt, $chain = "", $provider = "") {
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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'];
|
|
$validend = $crtdata['validTo_time_t'];
|
|
$fqdn = $crtdata["subject"]["CN"];
|
|
$altnames = $this->parseAltNames($crtdata["extensions"]["subjectAltName"]);
|
|
|
|
// Search for an existing cert:
|
|
$db->query("SELECT id FROM certificates WHERE crt=?;",array($crt));
|
|
if ($db->next_record()) {
|
|
$msg->raise("ERROR","ssl", _("Certificate already exists in database"));
|
|
return false;
|
|
}
|
|
|
|
// Everything is PERFECT and has been thoroughly checked, let's insert those in the DB !
|
|
$db->query(
|
|
"INSERT INTO certificates SET uid='?', status=?, shared=0, fqdn=?, altnames=?, validstart=FROM_UNIXTIME(?), validend=FROM_UNIXTIME(?), sslkey=?, sslcrt=?, sslchain=?, provider=?;",
|
|
array($cuid,self::STATUS_OK,$fqdn,$altnames,intval($validstart),intval($validend),$key,$crt,$chain,$provider)
|
|
);
|
|
if (!($id = $db->lastid())) {
|
|
$msg->raise("ERROR","ssl", _("Can't save the Key/Crt/Chain now. Please try later."));
|
|
return false;
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Import an ssl certificate into an existing certificate entry in the DB.
|
|
* (finalize an enrollment process)
|
|
* @param $certid integer the ID in the database of the SSL Certificate
|
|
* @param $crt string the X.509 PEM-encoded certificate, which *must*
|
|
* be the one signing the private RSA key in certificate $certid
|
|
* @param $chain string the X.509 PEM-encoded list of SSL Certificate chain if intermediate authorities
|
|
* @return integer the ID of the updated certificate in the table
|
|
* or false if an error occurred
|
|
*/
|
|
function finalize($certid, $crt, $chain) {
|
|
global $cuid, $msg, $db;
|
|
$msg->log("ssl", "finalize");
|
|
|
|
$certid = intval($certid);
|
|
$result = $this->check_cert($crt, $chain, "", $certid);
|
|
if ($result === false) {
|
|
$msg->raise("ERROR","ssl", $this->error);
|
|
return false;
|
|
}
|
|
list($crt, $chain, $key, $crtdata) = $result;
|
|
|
|
$validstart = $crtdata['validFrom_time_t'];
|
|
$validend = $crtdata['validTo_time_t'];
|
|
$fqdn = $crtdata["subject"]["CN"];
|
|
$altnames = $this->parseAltNames($crtdata["extensions"]["subjectAltName"]);
|
|
|
|
// Everything is PERFECT and has been thoroughly checked, let's insert those in the DB !
|
|
if (!$db->query(
|
|
"INSERT INTO certificates (status,fqdn,altnames,validstart,validend,sslcrt,sslchain,sslcsr)
|
|
SELECT ?,?,?, FROM_UNIXTIME(?), FROM_UNIXTIME(?), ?, ?, sslcsr FROM certificate WHERE id=?;",
|
|
array(self::STATUS_OK, $fqdn, $altnames, $validstart, $validend, $crt, $chain, $certid)
|
|
)) {
|
|
$msg->raise("ERROR","ssl", _("Can't save the Crt/Chain now. Please try later."));
|
|
return false;
|
|
}
|
|
$newid=$db->lastid();
|
|
$db->query("DELETE FROM certificates WHERE id=?;",array($certid));
|
|
return $newid;
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------
|
|
/** Function called by a hook when an AlternC member is deleted.
|
|
* @access private
|
|
* TODO: delete unused ssl certificates ?? > do this in the crontab.
|
|
*/
|
|
function alternc_del_member() {
|
|
global $db, $msg, $cuid;
|
|
$msg->log("ssl", "alternc_del_member");
|
|
$db->query("UPDATE certificates SET uid=2000 WHERE uid=?;",array($cuid));
|
|
return true;
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------
|
|
/** 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)");
|
|
|
|
// the domain type must be a "dns_only=false" one:
|
|
if (!($domtype=$dom->domains_type_get($type)) || $domtype["dns_only"]==true) {
|
|
return; // nothing to do : this domain type does not involve Vhosts
|
|
}
|
|
|
|
if ($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:
|
|
$db->query(
|
|
"SELECT * FROM sub_domaines WHERE sub=? AND domaine=? AND web_action NOT IN ('','OK') AND type=?",
|
|
array(substr($fqdn, 0, $offset), substr($fqdn, $offset + ($offset != 0)), $type)
|
|
);
|
|
if ($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,$fqdn);
|
|
// $cert[crt/key/chain] are path to the proper files
|
|
|
|
// edit apache conf file to set the certificate:
|
|
$s = file_get_contents($TARGET_FILE);
|
|
$s = str_replace("%%CRT%%", $cert["crt"], $s);
|
|
$s = str_replace("%%KEY%%", $cert["key"], $s);
|
|
if (isset($cert["sslchain"]) && $cert["sslchain"]) {
|
|
$s = str_replace("%%CHAINLINE%%", "SSLCertificateChainFile " . $cert["chain"], $s);
|
|
} else {
|
|
$s = str_replace("%%CHAINLINE%%", "", $s);
|
|
}
|
|
file_put_contents($TARGET_FILE, $s);
|
|
// Edit certif_hosts:
|
|
$db->query("UPDATE sub_domaines SET certificate_id=? WHERE id=?;",array($cert["id"], $subdom["id"]));
|
|
} // action==create
|
|
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------
|
|
/** Search for the best certificate for a user and a fqdn
|
|
* Return a hash with crt, key and maybe chain.
|
|
* they are the full path to the best certificate for this FQDN.
|
|
* if necessary, use "default_certificate_fqdn" or a "snakeoil"
|
|
* @param $subdom array the subdomain entry from sub_domaines table
|
|
* @param $fqdn string the fully qualified domain name to search for
|
|
* @return array an has with crt key chain
|
|
*/
|
|
public function searchBestCert($subdom,$fqdn) {
|
|
global $db;
|
|
|
|
// get the first good certificate:
|
|
list($cert) = $this->get_valid_certs($fqdn, $subdom["provider"]);
|
|
|
|
// we split the certificates by 1000
|
|
$CRTDIR = self::KEY_REPOSITORY . "/" . floor($cert["id"]/1000);
|
|
@mkdir($CRTDIR);
|
|
if (
|
|
!file_exists($CRTDIR . "/" . $cert["id"].".crt") ||
|
|
!file_exists($CRTDIR . "/" . $cert["id"].".key")) {
|
|
// write the files (first time we use a certificate)
|
|
file_put_contents($CRTDIR . "/" . $cert["id"].".crt", $cert["sslcrt"]);
|
|
file_put_contents($CRTDIR . "/" . $cert["id"].".key", $cert["sslkey"]);
|
|
if (isset($cert["sslchain"]) && $cert["sslchain"]) {
|
|
file_put_contents($CRTDIR . "/" . $cert["id"] . ".chain", $cert["sslchain"]);
|
|
}
|
|
}
|
|
// we have the files, let's fill the output array :
|
|
$output=array(
|
|
"crt" => $CRTDIR . "/" . $cert["id"].".crt",
|
|
"key" => $CRTDIR . "/" . $cert["id"].".key",
|
|
);
|
|
if (file_exists($CRTDIR . "/" . $cert["id"].".chain")) {
|
|
$output["chain"] = $CRTDIR . "/" . $cert["id"].".chain";
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------
|
|
/** 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 "";
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
/** 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 :
|
|
$db->query("SELECT sslkey FROM certificates WHERE id=?;",array(intval($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);
|
|
}
|
|
|
|
}
|
|
|
|
/* Class m_ssl */
|