<?php /* stunnel.inc part of pfSense (https://www.pfSense.org/) Copyright (C) 2007-2009 Scott Ullrich Copyright (C) 2015 ESF, LLC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ global $config; $pf_version = substr(trim(file_get_contents("/etc/version")), 0, 3); if ($pf_version == "2.1" || $pf_version == "2.2") { define('STUNNEL_LOCALBASE', '/usr/pbi/stunnel-' . php_uname("m")); } else { define('STUNNEL_LOCALBASE', '/usr/local'); } define('STUNNEL_ETCDIR', STUNNEL_LOCALBASE . "/etc/stunnel"); if (!isset($_GET['id']) and !isset($_POST['id'])) { if ($GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg']) { $savemsg = $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg']; unset($GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg']); write_config(); } } if (isset($_GET['id'])) { $config['installedpackages']['stunnelcerts']['config'][$_GET['id']]['cert_chain'] = base64_decode($config['installedpackages']['stunnelcerts']['config'][$_GET['id']]['cert_chain']); $config['installedpackages']['stunnelcerts']['config'][$_GET['id']]['cert_key'] = base64_decode($config['installedpackages']['stunnelcerts']['config'][$_GET['id']]['cert_key']); } $certs = $config['installedpackages']['stunnelcerts']['config']; is_array($certs) ? $num_certs = count($certs) : $num_certs = 0; if (!isset($_GET['id']) and !isset($_POST['id']) and $num_certs) { for ($i = 0; $i < $num_certs; $i++) { $cert = $certs[$i]; $_info = openssl_x509_parse(base64_decode($cert['cert_chain'])); $valid = floor(($_info['validTo_time_t'] - time()) / 86400); if ($cert['cert_chain']) { if (!openssl_x509_check_private_key(base64_decode($cert['cert_chain']), base64_decode($cert['cert_key']))) { $_status = '<font color="#AA0000"><strong>Invalid key/cert!</strong></font>'; } elseif ($valid < 30) { $_status = '<font color="#B27D4B">Expires in ' . $valid . ' days!</font>'; } else { $_status = '<font color="#008800">OK (' . $valid . ' days)</font>'; } $config['installedpackages']['stunnelcerts']['config'][$i]['status'] = $_status; } else { unset($config['installedpackages']['stunnelcerts']['config'][$i]); } } } $tunnels = $config['installedpackages']['stunnel']['config']; is_array($tunnels) ? $num_tunnels = count($tunnels) : $num_tunnels = 0; if (!isset($_GET['id']) and $num_tunnels) { for ($i = 0; $i < $num_tunnels; $i++) { $tunnel = $tunnels[$i]; if ($tunnel['certificate']) { $certid = 0; if (is_array($config['installedpackages']['stunnelcerts']['config'])) { foreach ($config['installedpackages']['stunnelcerts']['config'] as $cert) { if ($tunnel['certificate'] == $cert['filename']) { $config['installedpackages']['stunnel']['config'][$i]['certificatelink']= '<a href="/pkg_edit.php?xml=stunnel_certs.xml&act=edit&id=' . $certid . '">' . $cert['description'] . '</a>'; } $certid++; } } } } } function stunnel_printcsr() { // $GLOBALS['savemsg'] = "<pre>" . print_r($GLOBALS['config']['installedpackages']['stunnelcerts']['config'], true) . "</pre>"; } function stunnel_addcerts($config) { $certs=$config['installedpackages']['stunnelcerts']['config']; $tunnels=$config['installedpackages']['stunnel']['config']; ?> <script type="text/javascript"> //<![CDATA[ function addcerts() { <?php foreach ($certs as $cert) { echo("document.forms['iform'].certificate.appendChild(new Option('".$cert['description']."', '".$cert['filename']."'));"); } ?> } addcerts(); for (var i=0; i < document.forms['iform'].certificate.length; i++) { <?php $filename=$tunnels[$_GET['id']]['certificate']; echo('if (document.forms["iform"].certificate[i].value == "'.$filename.'") {'); ?> document.forms['iform'].certificate[i].selected = true; } else { document.forms['iform'].certificate[i].selected = false; } } //]]> </script> <?php } function stunnel_disablefields() { ?> <script type="text/javascript"> //<![CDATA[ document.forms['iform'].subject.readOnly=true; document.forms['iform'].filename.readOnly=true; document.forms['iform'].expiry.readOnly=true; //]]> </script> <?php } function stunnel_delete($config) { $cert=$config['installedpackages']['stunnelcerts']['config'][$_GET['id']]; if (isset($_GET['id'])) { unlink_if_exists(STUNNEL_ETCDIR . '/' . $cert['filename'] . '.pem'); unlink_if_exists(STUNNEL_ETCDIR . '/' . $cert['filename'] . '.key'); unlink_if_exists(STUNNEL_ETCDIR . '/' . $cert['filename'] . '.chain'); } } function stunnel_save($config) { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] = ''; conf_mount_rw(); safe_mkdir(STUNNEL_ETCDIR, 0755); $fout = fopen(STUNNEL_ETCDIR . "/stunnel.conf", "w"); fwrite($fout, "cert = " . STUNNEL_ETCDIR . "/stunnel.pem \n"); fwrite($fout, "chroot = /var/tmp/stunnel \n"); fwrite($fout, "setuid = stunnel \n"); fwrite($fout, "setgid = stunnel \n"); if (!is_array($config['installedpackages']['stunnel']['config'])) { $config['installedpackages']['stunnel']['config'] = array(); } foreach ($config['installedpackages']['stunnel']['config'] as $pkgconfig) { fwrite($fout, "\n[" . $pkgconfig['description'] . "]\n"); if ($pkgconfig['client']) { fwrite($fout, "client = yes" . "\n"); } if ($pkgconfig['certificate']) { if (file_exists(STUNNEL_ETCDIR . '/'.$pkgconfig['certificate'].'.key') and file_exists(STUNNEL_ETCDIR . '/'.$pkgconfig['certificate'].'.chain')) { fwrite($fout, "key = " . STUNNEL_ETCDIR . "/" . $pkgconfig['certificate'] . ".key\n"); fwrite($fout, "cert = " . STUNNEL_ETCDIR . "/" . $pkgconfig['certificate'] . ".chain\n"); } } if ($pkgconfig['sourceip']) { fwrite($fout, "local = " . $pkgconfig['sourceip'] . "\n"); } fwrite($fout, "accept = " . ($pkgconfig['localip'] ? $pkgconfig['localip'] . ":" : "") . $pkgconfig['localport'] . "\n"); fwrite($fout, "connect = " . $pkgconfig['redirectip'] . ":" . $pkgconfig['redirectport'] . "\n"); fwrite($fout, "TIMEOUTclose = 0\n\n"); } fclose($fout); conf_mount_ro(); stop_service("stunnel"); start_service("stunnel"); } function stunnel_save_cert($config) { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] = ''; if (isset($_POST['id'])) { if (!$_POST['cert_chain']) { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] .= "Certificate chain must be specified!<br />"; } if (!$_POST['cert_key']) { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] .= "RSA Key must be specified!<br />"; } if ($_POST['cert_chain'] and $_POST['cert_key']) { $_cert = openssl_x509_parse($_POST['cert_chain']); if ($_cert['hash']) { if (openssl_x509_check_private_key($_POST['cert_chain'], $_POST['cert_key'])) { file_put_contents(STUNNEL_ETCDIR . '/'. $_cert['hash'] . '.key', $_POST['cert_key']); file_put_contents(STUNNEL_ETCDIR . '/' . $_cert['hash'] . '.chain', $_POST['cert_chain']); file_put_contents(STUNNEL_ETCDIR . '/' . $_cert['hash'] . '.pem', $_POST['cert_key']."\n".$_POST['cert_chain']); system('chown stunnel:stunnel ' . STUNNEL_ETCDIR . '/*'); chmod(STUNNEL_ETCDIR . '/' . $_cert['hash'] . '.key', 0600); chmod(STUNNEL_ETCDIR . '/' . $_cert['hash'] . '.pem', 0600); $_POST['filename'] = $_cert['hash']; $_POST['expiry_raw'] = $_cert['validTo_time_t']; $_POST['expiry'] = date('Y-m-d', $_cert['validTo_time_t']); $_POST['subject'] = $_cert['name']; } else { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] .= "Certificate and key do not match!<br />"; $_POST['filename'] = ''; } } else { $GLOBALS['config']['installedpackages']['stunnelcerts']['savemsg'] .= "Couldn't parse certificate!<br />"; $_POST['expiry_raw'] = ''; $_POST['expiry'] = ''; $_POST['subject'] = ''; $_POST['filename'] = ''; } } $_POST['cert_key'] = base64_encode($_POST['cert_key']); $_POST['cert_chain'] = base64_encode($_POST['cert_chain']); $_fname = $GLOBALS['config']['installedpackages']['stunnelcerts']['config'][$_POST['id']]['filename']; if ($_fname and $_fname != $_POST['filename']) { unlink_if_exists(STUNNEL_ETCDIR . '/' . $_fname . '.chain'); unlink_if_exists(STUNNEL_ETCDIR . '/' . $_fname . '.key'); unlink_if_exists(STUNNEL_ETCDIR . '/' . $_fname . '.pem'); } } } function stunnel_install() { safe_mkdir(STUNNEL_ETCDIR); system("/usr/bin/openssl req -new -x509 -days 365 -nodes -out " . STUNNEL_ETCDIR . "/stunnel.pem -keyout " . STUNNEL_ETCDIR . "/stunnel.pem 2>/dev/null"); chmod(STUNNEL_ETCDIR . "/stunnel.pem", 0600); @mkdir("/var/tmp/stunnel/var/tmp/run/stunnel", 0755, true); system("/usr/sbin/chown -R stunnel:stunnel /var/tmp/stunnel"); $_rcfile['file'] = 'stunnel.sh'; $_rcfile['start'] = STUNNEL_LOCALBASE . "/bin/stunnel " . STUNNEL_ETCDIR . "/stunnel.conf \n\t"; $_rcfile['stop'] = "/usr/bin/killall stunnel \n\t"; write_rcfile($_rcfile); unlink_if_exists("/usr/local/etc/rc.d/stunnel"); $fout = fopen(STUNNEL_ETCDIR . "/stunnel.conf", "w"); fwrite($fout, "cert = " . STUNNEL_ETCDIR . "/stunnel.pem \n"); fwrite($fout, "chroot = /var/tmp/stunnel \n"); fwrite($fout, "setuid = stunnel \n"); fwrite($fout, "setgid = stunnel \n"); if ($config['installedpackages']['stunnel']['config']) { foreach ($config['installedpackages']['stunnel']['config'] as $pkgconfig) { fwrite($fout, "\n[" . $pkgconfig['description'] . "]\n"); if ($pkgconfig['sourceip']) { fwrite($fout, "local = " . $pkgconfig['sourceip'] . "\n"); } fwrite($fout, "accept = " . ($pkgconfig['localip'] ? $pkgconfig['localip'] . ":" : "") . $pkgconfig['localport'] . "\n"); fwrite($fout, "connect = " . $pkgconfig['redirectip'] . ":" . $pkgconfig['redirectport'] . "\n"); fwrite($fout, "TIMEOUTclose = 0\n\n"); } } fclose($fout); } function stunnel_deinstall() { rmdir_recursive("/var/tmp/stunnel"); rmdir_recursive(STUNNEL_ETCDIR); } ?>