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<?php
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/* $Id$ */
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/*
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$RCSfile$
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Copyright (C) 2008 Scott Ullrich <sullrich@gmail.com>
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All rights reserved.
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Copyright (C) 2006 Fernando Lemos
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All rights reserved.
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This file was rewritten from scratch by Fernando Lemos but
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*MIGHT* contain code previously written by:
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Copyright (C) 2005 Peter Allgeyer <allgeyer_AT_web.de>
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All rights reserved.
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Copyright (C) 2004 Peter Curran (peter@closeconsultants.com).
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notices,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notices, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require_once('config.inc');
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require_once('pfsense-utils.inc');
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require_once('util.inc');
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// Return the list of ciphers OpenVPN supports
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function openvpn_get_ciphers($pkg) {
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global $config;
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foreach ($pkg['fields']['field'] as $i => $field) {
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if ($field['fieldname'] == 'crypto') {
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$option_array = &$pkg['fields']['field'][$i]['options']['option'];
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$ciphers_out = shell_exec('openvpn --show-ciphers | grep "default key" | awk \'{print $1, "(" $2 "-" $3 ")";}\'');
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$ciphers = explode("\n", trim($ciphers_out));
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sort($ciphers);
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foreach ($ciphers as $cipher) {
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$value = explode(' ', $cipher);
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$value = $value[0];
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$option_array[] = array('value' => $value, 'name' => $cipher);
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}
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}
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if ($field['fieldname'] == 'cipher') {
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if (is_array($config['openvpn']['keys'])) {
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if (count($config['openvpn']['keys']) > 0) {
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$option_array = &$pkg['fields']['field'][$i]['options']['option'];
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foreach ($config['openvpn']['keys'] as $cipher => $type) {
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if ($type['shared.key'])
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$option_array[] = array('value' => $cipher, 'name' => $cipher);
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}
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}
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}
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}
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if ($field['fieldname'] == 'cipherpki') {
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if (is_array($config['openvpn']['keys'])) {
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if (count($config['openvpn']['keys']) > 0) {
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$option_array = &$pkg['fields']['field'][$i]['options']['option'];
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foreach ($config['openvpn']['keys'] as $cipher => $type) {
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if ($type['auth_method'] == 'pki')
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$option_array[] = array('value' => $cipher, 'name' => $type['descr']);
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}
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}
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}
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}
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}
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}
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function openvpn_validate_port($value, $name) {
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$value = trim($value);
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if (!empty($value) && !(is_numeric($value) && ($value > 0) && ($value < 65535)))
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return "The field '$name' must contain a valid port, ranging from 0 to 65535.";
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return false;
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}
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function openvpn_validate_cidr($value, $name) {
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$value = trim($value);
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if (!empty($value)) {
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list($ip, $mask) = explode('/', $value);
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if (!is_ipaddr($ip) or !is_numeric($mask) or ($mask > 32) or ($mask < 0))
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return "The field '$name' must contain a valid CIDR range.";
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}
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return false;
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}
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// Do the input validation
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function openvpn_validate_input($mode, $post, $input_errors) {
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$Mode = ucfirst($mode);
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if ($mode == 'server') {
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if ($result = openvpn_validate_port($post['local_port'], 'Local port'))
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$input_errors[] = $result;
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if ($result = openvpn_validate_cidr($post['addresspool'], 'Address pool'))
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$input_errors[] = $result;
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if ($result = openvpn_validate_cidr($post['local_network'], 'Local network'))
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$input_errors[] = $result;
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/* check for port in use - update of existing entries not possible because $_GET['act'] is not passed from pkg_edit.php :-( mfuchs
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$portinuse = shell_exec('sockstat | grep '.$post['local_port'].' | grep '.strtolower($post['protocol']));
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if (!empty($portinuse))
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$input_errors[] = 'The port '.$post['local_port'].'/'.strtolower($post['protocol']).' is already in use.';
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*/
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if (!empty($post['dhcp_dns'])) {
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$servers = explode(';', $post['dhcp_dns']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: DNS Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_wins'])) {
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$servers = explode(';', $post['dhcp_wins']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: WINS Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_nbdd'])) {
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$servers = explode(';', $post['dhcp_nbdd']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: NBDD Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_ntp'])) {
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$servers = explode(';', $post['dhcp_ntp']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: NTP Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (isset($post['maxclients']) && $post['maxclients'] != "") {
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if (!is_numeric($post['maxclients']))
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$input_errors[] = 'The field \'Maximum clients\' must be numeric.';
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}
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}
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else { // Client mode
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if ($result = openvpn_validate_port($post['serverport'], 'Server port'))
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$input_errors[] = $result;
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$server_addr = trim($post['serveraddr']);
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if (!empty($value) && !(is_domain($server_addr) || is_ipaddr($server_addr)))
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$input_errors[] = 'The field \'Server address\' must contain a valid IP address or domain name.';
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if ($result = openvpn_validate_cidr($post['interface_ip'], 'Interface IP'))
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$input_errors[] = $result;
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if ($post['auth_method'] == 'shared_key') {
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if (empty($post['interface_ip']))
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$input_errors[] = 'The field \'Interface IP\' is required.';
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}
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if (isset($post['proxy_hostname']) && $post['proxy_hostname'] != "") {
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if (!is_domain($post['proxy_hostname']) || is_ipaddr($post['proxy_hostname']))
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$input_errors[] = 'The field \'Proxy Host\' must contain a valid IP address or domain name.';
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if (!is_port($post['proxy_port']))
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$input_errors[] = 'The field \'Proxy port\' must contain a valid port number.';
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if ($post['protocol'] != "TCP")
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$input_errors[] = 'The protocol must be TCP to use a HTTP proxy server.';
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}
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if (isset($post['use_shaper']) && $post['use_shaper'] != "") {
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if (!is_numeric($post['use_shaper']))
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$input_errors[] = 'The field \'Limit outgoing bandwidth\' must be numeric.';
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}
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}
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if ($result = openvpn_validate_cidr($post['remote_network'], 'Remote network'))
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$input_errors[] = $result;
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/* This are no more needed comment them from now and remove later */
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/*
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if ($_POST['auth_method'] == 'shared_key') {
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$reqfields[] = 'shared_key';
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$reqfieldsn[] = 'Shared key';
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}
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else {
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$req = explode(' ', "ca_cert {$mode}_cert {$mode}_key");
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$reqn = array( 'CA certificate',
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ucfirst($mode) . ' certificate',
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ucfirst($mode) . ' key');
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$reqfields = array_merge($reqfields, $req);
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$reqfieldsn = array_merge($reqfieldsn, $reqn);
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if ($mode == 'server') {
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$reqfields[] = 'dh_params';
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$reqfieldsn[] = 'DH parameters';
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}
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}
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do_input_validation($post, $reqfields, $reqfieldsn, &$input_errors);
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*/
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if ($mode != "server") {
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$value = trim($post['shared_key']);
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$items = array();
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if ($_POST['auth_method'] == 'shared_key') {
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$items[] = array( 'field' => 'shared.key',
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'string' => 'OpenVPN Static key V1',
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'name' => 'Shared key');
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}
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else {
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$items[] = array( 'field' => 'ca.crt',
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'string' => 'CERTIFICATE',
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'name' => 'CA certificate');
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$items[] = array( 'field' => "{$mode}.crt",
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'string' => 'CERTIFICATE',
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'name' => "$Mode certificate");
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$items[] = array( 'field' => "{$mode}.key",
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'string' => 'RSA PRIVATE KEY',
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'name' => "$Mode key");
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$items[] = array( 'field' => 'tls',
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'string' => 'OpenVPN Static key V1',
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'name' => 'TLS');
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if ($mode == 'server') {
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$items[] = array( 'field' => 'dh_param.dhs',
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'string' => 'DH PARAMETERS',
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'name' => 'DH parameters');
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$items[] = array( 'field' => 'crl.crl',
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'string' => 'X509 CRL',
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'name' => 'CRL');
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}
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}
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foreach ($items as $item) {
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$value = trim($_POST[$item['field']]);
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$string = $item['string'];
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if ($value && (!strstr($value, "-----BEGIN {$string}-----") || !strstr($value, "-----END {$string}-----")))
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$input_errors[] = "The field '{$item['name']}' does not appear to be valid";
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}
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}
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}
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function openvpn_validate_input_csc($post, $input_errors) {
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if ($result = openvpn_validate_cidr($post['ifconfig_push'], 'Interface IP'))
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$input_errors[] = $result;
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if ($post['push_reset'] != 'on') {
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if (!empty($post['dhcp_domainname']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif (!empty($post['dhcp_dns']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif (!empty($post['dhcp_wins']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif (!empty($post['dhcp_nbdd']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif (!empty($post['dhcp_ntp']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif ($post['dhcp_nbttype'])
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif (!empty($post['dhcp_nbtscope']))
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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elseif ($post['dhcp_nbtdisable'])
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$input_errors[] = 'It makes no sense to unselect push reset and configure DHCP options';
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}
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else {
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if (!empty($post['dhcp_dns'])) {
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$servers = explode(';', $post['dhcp_dns']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: DNS Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_wins'])) {
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$servers = explode(';', $post['dhcp_wins']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: WINS Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_nbdd'])) {
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$servers = explode(';', $post['dhcp_nbdd']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: NBDD Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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if (!empty($post['dhcp_ntp'])) {
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$servers = explode(';', $post['dhcp_ntp']);
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foreach ($servers as $server) if (!is_ipaddr($server))
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{$input_errors[] = 'The field \'DHCP Option: NTP Server\' must contain a valid IP address and no whitespaces.';
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break;}}
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}}
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// Create server PKI certificate if it is not present on system
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function openvpn_server_create_cert($mode, $id) {
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300
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if($mode == "client")
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301
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return;
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global $g, $config;
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$settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
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log_error("Creating server certificate for {$settings['description']}.");
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$cakeysize = $settings['keysize'];
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$caname = $settings['cipherpki'];
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$ovpncapath = $g['varetc_path']."/openvpn/certificates";
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$easyrsapath = $g['easyrsapath'];
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$fd = fopen($ovpncapath . "/RUNME_2ND", "w");
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fwrite($fd, "cd $ovpncapath \n");
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fwrite($fd, "source $ovpncapath/$caname/vars \n");
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fwrite($fd, "$easyrsapath/pkitool --batch --server server \n");
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fwrite($fd, "openssl dhparam -out $ovpncapath/$caname/dh_params.dh $cakeysize \n");
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fclose($fd);
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system("/bin/chmod a+rx $ovpncapath/RUNME_2ND");
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mwexec("/bin/tcsh $ovpncapath/RUNME_2ND");
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$config['installedpackages']["openvpn$mode"]['config'][$id]['server.key'] = file_get_contents("$ovpncapath/$caname/server.key");
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$config['installedpackages']["openvpn$mode"]['config'][$id]['server.crt'] = file_get_contents("$ovpncapath/$caname/server.crt");
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$config['installedpackages']["openvpn$mode"]['config'][$id]['dh_params.dh'] = file_get_contents("$ovpncapath/$caname/dh_params.dh");
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write_config();
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log_error("Server certificate for {$settings['description']} created.");
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}
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// Rewrite the settings
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325
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function openvpn_reconfigure($mode, $id) {
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|
326
|
global $g, $config;
|
|
327
|
|
|
328
|
$settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
|
|
329
|
|
|
330
|
if ($settings['disable'])
|
|
331
|
return;
|
|
332
|
|
|
333
|
/* create cert if needed */
|
|
334
|
if(!$settings['server.key'] and $mode == "server")
|
|
335
|
openvpn_server_create_cert($mode, $id);
|
|
336
|
|
|
337
|
$lport = 1194 + $id;
|
|
338
|
|
|
339
|
/*
|
|
340
|
* NOTE: if you change the name of the interfaces here than
|
|
341
|
* be sure to change it even on the openvpn command parameters at
|
|
342
|
* openvpn_restart() function.
|
|
343
|
*/
|
|
344
|
if (!$g['booting'])
|
|
345
|
mwexec("/sbin/ifconfig ovpn{$id} destroy");
|
|
346
|
mwexec("/sbin/ifconfig tun{$id} create");
|
|
347
|
mwexec("/sbin/ifconfig tun{$id} name ovpn{$id}");
|
|
348
|
mwexec("/sbin/ifconfig ovpn{$id} group openvpn");
|
|
349
|
|
|
350
|
$pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
|
|
351
|
$proto = ($settings['protocol'] == 'UDP' ? 'udp' : "tcp-{$mode}");
|
|
352
|
$cipher = $settings['crypto'];
|
|
353
|
$openvpn_conf = "dev ovpn{$id}\n";
|
|
354
|
$openvpn_conf .= "dev-type tun\n";
|
|
355
|
$openvpn_conf .= "dev-node /dev/tun{$id}\n";
|
|
356
|
$openvpn_conf .= <<<EOD
|
|
357
|
writepid $pidfile
|
|
358
|
#user nobody
|
|
359
|
#group nobody
|
|
360
|
daemon
|
|
361
|
keepalive 10 60
|
|
362
|
ping-timer-rem
|
|
363
|
persist-tun
|
|
364
|
persist-key
|
|
365
|
proto $proto
|
|
366
|
cipher $cipher
|
|
367
|
up /etc/rc.filter_configure
|
|
368
|
down /etc/rc.filter_configure
|
|
369
|
|
|
370
|
EOD;
|
|
371
|
|
|
372
|
// Mode-specific stuff
|
|
373
|
if ($mode == 'server') {
|
|
374
|
list($ip, $mask) = explode('/', $settings['addresspool']);
|
|
375
|
$mask = gen_subnet_mask($mask);
|
|
376
|
|
|
377
|
// Using a shared key or not dynamically assigning IPs to the clients
|
|
378
|
if (($settings['auth_method'] == 'shared_key') || ($settings['nopool'] == 'on')) {
|
|
379
|
if ($settings['auth_method'] == 'pki') $openvpn_conf .= "tls-server\n";
|
|
380
|
|
|
381
|
$baselong = ip2long($ip) & ip2long($mask);
|
|
382
|
$ip1 = long2ip($baselong + 1);
|
|
383
|
$ip2 = long2ip($baselong + 2);
|
|
384
|
$openvpn_conf .= "ifconfig $ip1 $ip2\n";
|
|
385
|
}
|
|
386
|
// Using a PKI
|
|
387
|
else if ($settings['auth_method'] == 'pki') {
|
|
388
|
if ($settings['client2client']) $openvpn_conf .= "client-to-client\n";
|
|
389
|
$openvpn_conf .= "server $ip $mask\n";
|
|
390
|
$csc_dir = "{$g['varetc_path']}/openvpn_csc";
|
|
391
|
$openvpn_conf .= "client-config-dir $csc_dir\n";
|
|
392
|
}
|
|
393
|
|
|
394
|
// We can push routes
|
|
395
|
if (!empty($settings['local_network'])) {
|
|
396
|
list($ip, $mask) = explode('/', $settings['local_network']);
|
|
397
|
$mask = gen_subnet_mask($mask);
|
|
398
|
$openvpn_conf .= "push \"route $ip $mask\"\n";
|
|
399
|
}
|
|
400
|
|
|
401
|
if ($settings['bind_to_iface'] == 'on') {
|
|
402
|
$iface = $settings['interface'];
|
|
403
|
$iface = convert_friendly_interface_to_real_interface_name($iface);
|
|
404
|
$line = trim(shell_exec("ifconfig $iface | grep inet | grep -v inet6"));
|
|
405
|
list($dummy, $ip, $dummy2, $dummy3) = explode(' ', $line);
|
|
406
|
|
|
407
|
$openvpn_conf .= "local {$ip}\n";
|
|
408
|
}
|
|
409
|
|
|
410
|
// The port we'll listen at
|
|
411
|
$openvpn_conf .= "lport {$settings['local_port']}\n";
|
|
412
|
|
|
413
|
// DHCP-Options
|
|
414
|
if (!empty($settings['dhcp_domainname'])) $openvpn_conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
|
|
415
|
|
|
416
|
if (!empty($settings['dhcp_dns'])) {
|
|
417
|
$servers = explode(';', $settings['dhcp_dns']);
|
|
418
|
if (is_array($servers)) {
|
|
419
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option DNS {$server}\"\n";
|
|
420
|
}
|
|
421
|
else {
|
|
422
|
$openvpn_conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
|
|
423
|
}
|
|
424
|
}
|
|
425
|
|
|
426
|
if (!empty($settings['dhcp_wins'])) {
|
|
427
|
$servers = explode(';', $settings['dhcp_wins']);
|
|
428
|
if (is_array($servers)) {
|
|
429
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option WINS {$server}\"\n";
|
|
430
|
}
|
|
431
|
else {
|
|
432
|
$openvpn_conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
|
|
433
|
}
|
|
434
|
}
|
|
435
|
|
|
436
|
if (!empty($settings['dhcp_nbdd'])) {
|
|
437
|
$servers = explode(';', $settings['dhcp_nbdd']);
|
|
438
|
if (is_array($servers)) {
|
|
439
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NBDD {$server}\"\n";
|
|
440
|
}
|
|
441
|
else {
|
|
442
|
$openvpn_conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
|
|
443
|
}
|
|
444
|
}
|
|
445
|
|
|
446
|
if (!empty($settings['dhcp_ntp'])) {
|
|
447
|
$servers = explode(';', $settings['dhcp_ntp']);
|
|
448
|
if (is_array($servers)) {
|
|
449
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NTP {$server}\"\n";
|
|
450
|
}
|
|
451
|
else {
|
|
452
|
$openvpn_conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
|
453
|
}
|
|
454
|
}
|
|
455
|
|
|
456
|
if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $openvpn_conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
|
|
457
|
if (!empty($settings['dhcp_nbtscope'])) $openvpn_conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
|
|
458
|
if ($settings['dhcp_nbtdisable']) $openvpn_conf .= "push \"dhcp-option DISABLE-NBT\"\n";
|
|
459
|
|
|
460
|
if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_server{$id}.tls 0\n";
|
|
461
|
if (!empty($settings['maxclients'])) $openvpn_conf .= "max-clients {$settings['maxclients']}\n";
|
|
462
|
if ($settings['gwredir']) $openvpn_conf .= "push \"redirect-gateway def1\"\n";
|
|
463
|
}
|
|
464
|
|
|
465
|
else { // $mode == client
|
|
466
|
// The remote server
|
|
467
|
$openvpn_conf .= "remote {$settings['serveraddr']} {$settings['serverport']}\n";
|
|
468
|
|
|
469
|
if ($settings['auth_method'] == 'pki') $openvpn_conf .= "client\n";
|
|
470
|
if ($settings['use_dynamicport']) $openvpn_conf .= "nobind\n";
|
|
471
|
else
|
|
472
|
// The port we'll listen at
|
|
473
|
$openvpn_conf .= "lport {$lport}\n";
|
|
474
|
|
|
475
|
if (!empty($settings['use_shaper'])) $openvpn_conf .= "shaper {$settings['use_shaper']}\n";
|
|
476
|
|
|
477
|
if (!empty($settings['interface_ip'])) {
|
|
478
|
// Configure the IPs according to the address pool
|
|
479
|
list($ip, $mask) = explode('/', $settings['interface_ip']);
|
|
480
|
$mask = gen_subnet_mask($mask);
|
|
481
|
$baselong = ip2long($ip) & ip2long($mask);
|
|
482
|
$ip1 = long2ip($baselong + 1);
|
|
483
|
$ip2 = long2ip($baselong + 2);
|
|
484
|
$openvpn_conf .= "ifconfig $ip2 $ip1\n";
|
|
485
|
}
|
|
486
|
if (isset($settings['proxy_hostname']) && $settings['proxy_hostname'] != "") {
|
|
487
|
/* ;http-proxy-retry # retry on connection failures */
|
|
488
|
$openvpn_conf .= "http-proxy {$settings['proxy_hostname']} {$settings['proxy_port']}\n";
|
|
489
|
}
|
|
490
|
|
|
491
|
if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_client{$id}.tls 1\n";
|
|
492
|
|
|
493
|
}
|
|
494
|
|
|
495
|
// Add the routes if they're set
|
|
496
|
if (!empty($settings['remote_network'])) {
|
|
497
|
list($ip, $mask) = explode('/', $settings['remote_network']);
|
|
498
|
$mask = gen_subnet_mask($mask);
|
|
499
|
$openvpn_conf .= "route $ip $mask\n";
|
|
500
|
}
|
|
501
|
|
|
502
|
|
|
503
|
|
|
504
|
// Write the settings for the keys
|
|
505
|
// Set the keys up
|
|
506
|
$base_file = $g['varetc_path'] . "/openvpn/certificates/";
|
|
507
|
$keys = array();
|
|
508
|
if ($settings['auth_method'] == 'shared_key')
|
|
509
|
$keys[] = array('field' => 'shared.key', 'ext' => 'secret', 'directive' => 'secret');
|
|
510
|
else {
|
|
511
|
$keys[] = array('field' => 'ca.crt', 'directive' => 'ca');
|
|
512
|
$keys[] = array('field' => "{$mode}.crt", 'directive' => 'cert');
|
|
513
|
$keys[] = array('field' => "{$mode}.key", 'directive' => 'key');
|
|
514
|
if ($mode == 'server')
|
|
515
|
$keys[] = array('field' => 'dh_params.dh', 'directive' => 'dh');
|
|
516
|
if ($settings['crl'])
|
|
517
|
$keys[] = array('field' => 'crl.crl', 'directive' => 'crl-verify');
|
|
518
|
}
|
|
519
|
|
|
520
|
foreach ($keys as $key) {
|
|
521
|
if ($mode == "server") {
|
|
522
|
if ($settings['auth_method'] == 'pki' && isset($settings['cipherpki']) &&
|
|
523
|
$settings['cipherpki'] != "none")
|
|
524
|
$openvpn_conf .= $key['directive'] . " " . $base_file . $settings['cipherpki'] .
|
|
525
|
"/".$key['field']."\n";
|
|
526
|
else if ($settings['auth_method'] == 'pki' && isset($settings['cipherpki']) &&
|
|
527
|
$settings['cipherpki'] != "none")
|
|
528
|
$openvpn_conf .= $key['directive'] . " " . $base_file . $settings['cipherpki'] .
|
|
529
|
"/".$key['field']."\n";
|
|
530
|
} else {
|
|
531
|
$filename = $g['varetc_path']."/openvpn_{$mode}{$id}." . $key['field'];
|
|
532
|
file_put_contents($filename, base64_decode($settings[$key['field']]));
|
|
533
|
chown($filename, 'nobody');
|
|
534
|
chgrp($filename, 'nobody');
|
|
535
|
$openvpn_conf .= $key['directive'] . " $filename \n";
|
|
536
|
}
|
|
537
|
}
|
|
538
|
|
|
539
|
if ($settings['use_lzo']) $openvpn_conf .= "comp-lzo\n";
|
|
540
|
|
|
541
|
if ($settings['passtos']) $openvpn_conf .= "passtos\n";
|
|
542
|
|
|
543
|
if ($settings['infiniteresolvretry']) $openvpn_conf .= "resolv-retry infinite\n";
|
|
544
|
|
|
545
|
if ($settings['dynamic_ip']) {
|
|
546
|
$openvpn_conf .= "persist-remote-ip\n";
|
|
547
|
$openvpn_conf .= "float\n";
|
|
548
|
}
|
|
549
|
|
|
550
|
if (!empty($settings['custom_options'])) {
|
|
551
|
$options = explode(';', $settings['custom_options']);
|
|
552
|
if (is_array($options)) {
|
|
553
|
foreach ($options as $option)
|
|
554
|
$openvpn_conf .= "$option\n";
|
|
555
|
}
|
|
556
|
else {
|
|
557
|
$openvpn_conf .= "{$settings['custom_options']}\n";
|
|
558
|
}
|
|
559
|
}
|
|
560
|
|
|
561
|
file_put_contents($g['varetc_path'] . "/openvpn_{$mode}{$id}.conf", $openvpn_conf);
|
|
562
|
}
|
|
563
|
|
|
564
|
|
|
565
|
function openvpn_resync_csc($id) {
|
|
566
|
global $g, $config;
|
|
567
|
|
|
568
|
$settings = $config['installedpackages']['openvpncsc']['config'][$id];
|
|
569
|
|
|
570
|
if ($settings['disable'] == 'on') {
|
|
571
|
$filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
|
|
572
|
unlink_if_exists($filename);
|
|
573
|
return;
|
|
574
|
}
|
|
575
|
|
|
576
|
$conf = '';
|
|
577
|
if ($settings['block'] == 'on') $conf .= "disable\n";
|
|
578
|
if ($settings['push_reset'] == 'on') $conf .= "push-reset\n";
|
|
579
|
if (!empty($settings['ifconfig_push'])) {
|
|
580
|
list($ip, $mask) = explode('/', $settings['ifconfig_push']);
|
|
581
|
$baselong = ip2long($ip) & gen_subnet_mask_long($mask);
|
|
582
|
$conf .= 'ifconfig-push ' . long2ip($baselong + 1) . ' ' . long2ip($baselong + 2) . "\n";
|
|
583
|
}
|
|
584
|
|
|
585
|
// DHCP-Options
|
|
586
|
if (!empty($settings['dhcp_domainname'])) $conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
|
|
587
|
|
|
588
|
if (!empty($settings['dhcp_dns'])) {
|
|
589
|
$servers = explode(';', $settings['dhcp_dns']);
|
|
590
|
if (is_array($servers)) {
|
|
591
|
foreach ($servers as $server) $conf .= "push \"dhcp-option DNS {$server}\"\n";
|
|
592
|
}
|
|
593
|
else {
|
|
594
|
$conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
|
|
595
|
}
|
|
596
|
}
|
|
597
|
|
|
598
|
if (!empty($settings['dhcp_wins'])) {
|
|
599
|
$servers = explode(';', $settings['dhcp_wins']);
|
|
600
|
if (is_array($servers)) {
|
|
601
|
foreach ($servers as $server) $conf .= "push \"dhcp-option WINS {$server}\"\n";
|
|
602
|
}
|
|
603
|
else {
|
|
604
|
$conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
|
|
605
|
}
|
|
606
|
}
|
|
607
|
|
|
608
|
if (!empty($settings['dhcp_nbdd'])) {
|
|
609
|
$servers = explode(';', $settings['dhcp_nbdd']);
|
|
610
|
if (is_array($servers)) {
|
|
611
|
foreach ($servers as $server) $conf .= "push \"dhcp-option NBDD {$server}\"\n";
|
|
612
|
}
|
|
613
|
else {
|
|
614
|
$conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
|
|
615
|
}
|
|
616
|
}
|
|
617
|
|
|
618
|
if (!empty($settings['dhcp_ntp'])) {
|
|
619
|
$servers = explode(';', $settings['dhcp_ntp']);
|
|
620
|
if (is_array($servers)) {
|
|
621
|
foreach ($servers as $server) $conf .= "push \"dhcp-option NTP {$server}\"\n";
|
|
622
|
}
|
|
623
|
else {
|
|
624
|
$conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
|
625
|
}
|
|
626
|
}
|
|
627
|
|
|
628
|
if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
|
|
629
|
if (!empty($settings['dhcp_nbtscope'])) $conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
|
|
630
|
if ($settings['dhcp_nbtdisable']) $conf .= "push \"dhcp-option DISABLE-NBT\"\n";
|
|
631
|
if ($settings['gwredir']) $conf .= "push \"redirect-gateway def1\"\n";
|
|
632
|
|
|
633
|
if (!empty($settings['custom_options'])) {
|
|
634
|
$options = explode(';', $settings['custom_options']);
|
|
635
|
if (is_array($options)) {
|
|
636
|
foreach ($options as $option)
|
|
637
|
$conf .= "$option\n";
|
|
638
|
}
|
|
639
|
else {
|
|
640
|
$conf .= "{$settings['custom_options']}\n";
|
|
641
|
}
|
|
642
|
}
|
|
643
|
|
|
644
|
$filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
|
|
645
|
file_put_contents($filename, $conf);
|
|
646
|
chown($filename, 'nobody');
|
|
647
|
chgrp($filename, 'nogroup');
|
|
648
|
|
|
649
|
}
|
|
650
|
|
|
651
|
|
|
652
|
function openvpn_restart($mode, $id) {
|
|
653
|
global $g, $config;
|
|
654
|
|
|
655
|
$pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
|
|
656
|
killbypid($pidfile);
|
|
657
|
sleep(2);
|
|
658
|
|
|
659
|
$settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
|
|
660
|
if ($settings['disable']) return;
|
|
661
|
|
|
662
|
$configfile = $g['varetc_path'] . "/openvpn_{$mode}{$id}.conf";
|
|
663
|
mwexec_bg("nohup openvpn --config $configfile");// --dev-type tun --dev-node /dev/tun{$id}");
|
|
664
|
touch("{$g['tmp_path']}/filter_dirty");
|
|
665
|
}
|
|
666
|
|
|
667
|
//Make ciphers ready for openvpn
|
|
668
|
function openvpn_restore_all_ciphers() {
|
|
669
|
global $config, $g;
|
|
670
|
|
|
671
|
$ovpncapath = $g['varetc_path']."/openvpn/certificates";
|
|
672
|
|
|
673
|
if (is_array($config['openvpn']['keys'])) {
|
|
674
|
if (!is_dir($g['varetc_path']."/openvpn"))
|
|
675
|
safe_mkdir($g['varetc_path']."/openvpn");
|
|
676
|
if (!is_dir($ovpncapath))
|
|
677
|
safe_mkdir($ovpncapath);
|
|
678
|
|
|
679
|
/* XXX: hardcoded path; worth making it a global?! */
|
|
680
|
mwexec("cp -r /usr/local/share/openvpn/certificates ".$g['varetc_path']."/openvpn/");
|
|
681
|
if (!is_dir($ovpncapath)) {
|
|
682
|
log_error("Failed to create environment for creating certificates. ");
|
|
683
|
} else {
|
|
684
|
|
|
685
|
foreach ($config['openvpn']['keys'] as $caname => $ciphers) {
|
|
686
|
if (!is_dir("$ovpncapath/$caname"))
|
|
687
|
safe_mkdir("$ovpncapath/$caname");
|
|
688
|
|
|
689
|
$cfg = "";
|
|
690
|
/* NOTE: vars; Do we need them restored?! */
|
|
691
|
$cfg .= "setenv KEY_SIZE " .$ciphers['keysize'] ."\n";
|
|
692
|
$cfg .= "setenv KEY_EXPIRE ".$ciphers['keyexpire'] ."\n";
|
|
693
|
$cfg .= "setenv CA_EXPIRE " .$ciphers['caexpire'] . "\n";
|
|
694
|
$cfg .= "setenv KEY_COUNTRY " .$ciphers['keycountry'] ."\n";
|
|
695
|
$cfg .= "setenv KEY_RPOVINCE " .$ciphers['keyprovince'] . "\n";
|
|
696
|
$cfg .= "setenv KEY_CITY " .$ciphers['keycity'] . "\n";
|
|
697
|
$cfg .= "setenv KEY_ORG " .$ciphers['keyorg'] . "\n";
|
|
698
|
$cfg .= "setenv KEY_EMAIL " .$ciphers['keyemail'] . "\n";
|
|
699
|
file_put_contents("$ovpncapath/$caname/vars", $cfg);
|
|
700
|
/* put ciphers back in their files */
|
|
701
|
foreach ($ciphers as $filename => $value) {
|
|
702
|
file_put_contents("$ovpncapath/$caname/$filename", $value);
|
|
703
|
}
|
|
704
|
}
|
|
705
|
}
|
|
706
|
}
|
|
707
|
}
|
|
708
|
|
|
709
|
// Resync the configuration and restart the VPN
|
|
710
|
function openvpn_resync($mode, $id) {
|
|
711
|
openvpn_reconfigure($mode, $id);
|
|
712
|
openvpn_restart($mode, $id);
|
|
713
|
}
|
|
714
|
|
|
715
|
function openvpn_create_cscdir() {
|
|
716
|
global $g;
|
|
717
|
|
|
718
|
$csc_dir = "{$g['varetc_path']}/openvpn_csc";
|
|
719
|
if (is_dir($csc_dir))
|
|
720
|
rmdir_recursive($csc_dir);
|
|
721
|
make_dirs($csc_dir);
|
|
722
|
chown($csc_dir, 'nobody');
|
|
723
|
chgrp($csc_dir, 'nobody');
|
|
724
|
}
|
|
725
|
|
|
726
|
// Resync and restart all VPNs
|
|
727
|
function openvpn_resync_all() {
|
|
728
|
global $config;
|
|
729
|
$ovpncapath = $g['varetc_path']."/openvpn/certificates";
|
|
730
|
|
|
731
|
openvpn_restore_all_ciphers();
|
|
732
|
|
|
733
|
foreach (array('server', 'client') as $mode) {
|
|
734
|
if ($config['installedpackages']["openvpn$mode"]) {
|
|
735
|
if (is_array($config['installedpackages']["openvpn$mode"]['config'])) {
|
|
736
|
foreach ($config['installedpackages']["openvpn$mode"]['config'] as $id => $settings)
|
|
737
|
openvpn_resync($mode, $id);
|
|
738
|
}
|
|
739
|
}
|
|
740
|
}
|
|
741
|
|
|
742
|
openvpn_create_cscdir();
|
|
743
|
if ($config['installedpackages']['openvpncsc']) {
|
|
744
|
if (is_array($config['installedpackages']['openvpncsc']['config'])) {
|
|
745
|
foreach ($config['installedpackages']['openvpncsc']['config'] as $id => $csc)
|
|
746
|
openvpn_resync_csc($id);
|
|
747
|
}
|
|
748
|
}
|
|
749
|
|
|
750
|
/* give speedy machines time to settle */
|
|
751
|
sleep(5);
|
|
752
|
|
|
753
|
/* reload the filter policy */
|
|
754
|
filter_configure();
|
|
755
|
|
|
756
|
}
|
|
757
|
|
|
758
|
function openvpn_print_javascript($mode) {
|
|
759
|
$javascript = <<<EOD
|
|
760
|
<script language="JavaScript">
|
|
761
|
//<!--
|
|
762
|
function onAuthMethodChanged() {
|
|
763
|
var method = document.iform.auth_method;
|
|
764
|
var endis = (method.options[method.selectedIndex].value == 'shared_key');
|
|
765
|
|
|
766
|
if ('$mode' == 'server') {
|
|
767
|
document.iform.nopool.disabled = endis;
|
|
768
|
document.iform.local_network.disabled = endis;
|
|
769
|
document.iform.client2client.disabled = endis;
|
|
770
|
document.iform.maxclients.disabled = endis;
|
|
771
|
document.iform.cipher.disabled = !endis;
|
|
772
|
document.iform.cipherpki.disabled = endis;
|
|
773
|
}
|
|
774
|
else { // Client mode
|
|
775
|
document.iform.remote_network.disabled = !endis;;
|
|
776
|
document.iform['shared.key'].disabled = !endis;
|
|
777
|
document.iform['ca.crt'].disabled = endis;
|
|
778
|
document.iform["{$mode}.crt"].disabled = endis;
|
|
779
|
document.iform["{$mode}.key"].disabled = endis;
|
|
780
|
document.iform.tls.disabled = endis;
|
|
781
|
}
|
|
782
|
}
|
|
783
|
//-->
|
|
784
|
</script>
|
|
785
|
|
|
786
|
EOD;
|
|
787
|
print($javascript);
|
|
788
|
}
|
|
789
|
|
|
790
|
|
|
791
|
function openvpn_print_javascript2() {
|
|
792
|
$javascript = <<<EOD
|
|
793
|
<script language="JavaScript">
|
|
794
|
//<!--
|
|
795
|
onAuthMethodChanged();
|
|
796
|
//-->
|
|
797
|
</script>
|
|
798
|
|
|
799
|
EOD;
|
|
800
|
print($javascript);
|
|
801
|
}
|
|
802
|
?>
|