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-rw-r--r--config/ovpnenhance/openvpn.inc_tls668
1 files changed, 668 insertions, 0 deletions
diff --git a/config/ovpnenhance/openvpn.inc_tls b/config/ovpnenhance/openvpn.inc_tls
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+++ b/config/ovpnenhance/openvpn.inc_tls
@@ -0,0 +1,668 @@
+<?php
+
+/* $Id: openvpn.inc,v 1.55 2007/06/30 21:20:11 sullrich Exp $ */
+/*
+ $RCSfile: openvpn.inc,v $
+ Copyright (C) 2006 Fernando Lemos
+ All rights reserved.
+
+ Copyright (C) 2005 Peter Allgeyer <allgeyer_AT_web.de>
+ All rights reserved.
+
+ Copyright (C) 2004 Peter Curran (peter@closeconsultants.com).
+ 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 notices,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notices, 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.
+*/
+
+require_once('config.inc');
+require_once('pfsense-utils.inc');
+require_once('util.inc');
+
+// Return the list of ciphers OpenVPN supports
+function openvpn_get_ciphers($pkg) {
+ foreach ($pkg['fields']['field'] as $i => $field) {
+ if ($field['fieldname'] == 'crypto') break;
+ }
+ $option_array = &$pkg['fields']['field'][$i]['options']['option'];
+ $ciphers_out = shell_exec('openvpn --show-ciphers | grep "default key" | awk \'{print $1, "(" $2 "-" $3 ")";}\'');
+ $ciphers = explode("\n", trim($ciphers_out));
+ sort($ciphers);
+ foreach ($ciphers as $cipher) {
+ $value = explode(' ', $cipher);
+ $value = $value[0];
+ $option_array[] = array('value' => $value, 'name' => $cipher);
+ }
+}
+
+
+function openvpn_validate_port($value, $name) {
+ $value = trim($value);
+ if (!empty($value) && !(is_numeric($value) && ($value > 0) && ($value < 65535)))
+ return "The field '$name' must contain a valid port, ranging from 0 to 65535.";
+ return false;
+}
+
+
+function openvpn_validate_cidr($value, $name) {
+ $value = trim($value);
+ if (!empty($value)) {
+ list($ip, $mask) = explode('/', $value);
+ if (!is_ipaddr($ip) or !is_numeric($mask) or ($mask > 32) or ($mask < 0))
+ return "The field '$name' must contain a valid CIDR range.";
+ }
+ return false;
+}
+
+
+// Do the input validation
+function openvpn_validate_input($mode, $post, $input_errors) {
+ $Mode = ucfirst($mode);
+
+ if ($mode == 'server') {
+ if ($result = openvpn_validate_port($post['local_port'], 'Local port'))
+ $input_errors[] = $result;
+
+ if ($result = openvpn_validate_cidr($post['addresspool'], 'Address pool'))
+ $input_errors[] = $result;
+
+ if ($result = openvpn_validate_cidr($post['local_network'], 'Local network'))
+ $input_errors[] = $result;
+
+/* check for port in use - update of existing entries not possible because $_GET['act'] is not passed from pkg_edit.php :-( mfuchs
+ $portinuse = shell_exec('sockstat | grep '.$post['local_port'].' | grep '.strtolower($post['protocol']));
+ if (!empty($portinuse))
+ $input_errors[] = 'The port '.$post['local_port'].'/'.strtolower($post['protocol']).' is already in use.';
+*/
+
+ if (!empty($post['dhcp_dns'])) {
+ $servers = explode(';', $post['dhcp_dns']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: DNS-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_wins'])) {
+ $servers = explode(';', $post['dhcp_wins']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: WINS-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_nbdd'])) {
+ $servers = explode(';', $post['dhcp_nbdd']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: NBDD-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_ntp'])) {
+ $servers = explode(';', $post['dhcp_ntp']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: NTP-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (isset($post['maxclients']) && $post['maxclients'] != "") {
+ if (!is_numeric($post['maxclients']))
+ $input_errors[] = 'The field \'Maximum clients\' must be numeric.';
+ }
+
+ }
+
+ else { // Client mode
+ if ($result = openvpn_validate_port($post['serverport'], 'Server port'))
+ $input_errors[] = $result;
+
+ $server_addr = trim($post['serveraddr']);
+ if (!empty($value) && !(is_domain($server_addr) || is_ipaddr($server_addr)))
+ $input_errors[] = 'The field \'Server address\' must contain a valid IP address or domain name.';
+
+ if ($result = openvpn_validate_cidr($post['interface_ip'], 'Interface IP'))
+ $input_errors[] = $result;
+
+ if ($post['auth_method'] == 'shared_key') {
+ if (empty($post['interface_ip']))
+ $input_errors[] = 'The field \'Interface IP\' is required.';
+ }
+ if (isset($post['proxy_hostname']) && $post['proxy_hostname'] != "") {
+ if (!is_domain($post['proxy_hostname']) || is_ipaddr($post['proxy_hostname']))
+ $input_errors[] = 'The field \'Proxy Host\' must contain a valid IP address or domain name.';
+ if (!is_port($post['proxy_port']))
+ $input_errors[] = 'The field \'Proxy port\' must contain a valid port number.';
+ if ($post['protocol'] != "TCP")
+ $input_errors[] = 'The protocol must be TCP to use a HTTP proxy server.';
+ }
+ if (isset($post['use_shaper']) && $post['use_shaper'] != "") {
+ if (!is_numeric($post['use_shaper']))
+ $input_errors[] = 'The field \'Limit outgoing bandwidth\' must be numeric.';
+ }
+
+ }
+
+ if ($result = openvpn_validate_cidr($post['remote_network'], 'Remote network'))
+ $input_errors[] = $result;
+
+ if ($_POST['auth_method'] == 'shared_key') {
+ $reqfields[] = 'shared_key';
+ $reqfieldsn[] = 'Shared key';
+ }
+ else {
+ $req = explode(' ', "ca_cert {$mode}_cert {$mode}_key");
+ $reqn = array( 'CA certificate',
+ ucfirst($mode) . ' certificate',
+ ucfirst($mode) . ' key');
+ $reqfields = array_merge($reqfields, $req);
+ $reqfieldsn = array_merge($reqfieldsn, $reqn);
+ if ($mode == 'server') {
+ $reqfields[] = 'dh_params';
+ $reqfieldsn[] = 'DH parameters';
+ }
+ }
+ do_input_validation($post, $reqfields, $reqfieldsn, &$input_errors);
+
+ $value = trim($post['shared_key']);
+ $items = array();
+
+ if ($_POST['auth_method'] == 'shared_key') {
+ $items[] = array( 'field' => 'shared_key',
+ 'string' => 'OpenVPN Static key V1',
+ 'name' => 'Shared key');
+ }
+ else {
+ $items[] = array( 'field' => 'ca_cert',
+ 'string' => 'CERTIFICATE',
+ 'name' => 'CA certificate');
+ $items[] = array( 'field' => "{$mode}_cert",
+ 'string' => 'CERTIFICATE',
+ 'name' => "$Mode certificate");
+ $items[] = array( 'field' => "{$mode}_key",
+ 'string' => 'RSA PRIVATE KEY',
+ 'name' => "$Mode key");
+ $items[] = array( 'field' => 'tls',
+ 'string' => 'OpenVPN Static key V1',
+ 'name' => 'TLS');
+ if ($mode == 'server') {
+ $items[] = array( 'field' => 'dh_params',
+ 'string' => 'DH PARAMETERS',
+ 'name' => 'DH parameters');
+ $items[] = array( 'field' => 'crl',
+ 'string' => 'X509 CRL',
+ 'name' => 'CRL');
+ }
+ }
+ foreach ($items as $item) {
+ $value = trim($_POST[$item['field']]);
+ $string = $item['string'];
+ if ($value && (!strstr($value, "-----BEGIN {$string}-----") || !strstr($value, "-----END {$string}-----")))
+ $input_errors[] = "The field '{$item['name']}' does not appear to be valid";
+ }
+}
+
+
+function openvpn_validate_input_csc($post, $input_errors) {
+ if ($result = openvpn_validate_cidr($post['ifconfig_push'], 'Interface IP'))
+ $input_errors[] = $result;
+
+ if ($post['push_reset'] != 'on') {
+ if (!empty($post['dhcp_domainname']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif (!empty($post['dhcp_dns']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif (!empty($post['dhcp_wins']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif (!empty($post['dhcp_nbdd']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif (!empty($post['dhcp_ntp']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif ($post['dhcp_nbttype'])
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif (!empty($post['dhcp_nbtscope']))
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+ elseif ($post['dhcp_nbtdisable'])
+ $input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
+
+ }
+ else {
+
+ if (!empty($post['dhcp_dns'])) {
+ $servers = explode(';', $post['dhcp_dns']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: DNS-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_wins'])) {
+ $servers = explode(';', $post['dhcp_wins']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: WINS-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_nbdd'])) {
+ $servers = explode(';', $post['dhcp_nbdd']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: NBDD-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+ if (!empty($post['dhcp_ntp'])) {
+ $servers = explode(';', $post['dhcp_ntp']);
+ foreach ($servers as $server) if (!is_ipaddr($server))
+ {$input_errors[] = 'The field \'DHCP-Opt.: NTP-Server\' must contain a valid IP address and no whitespaces.';
+ break;}}
+
+}}
+
+// Rewrite the settings
+function openvpn_reconfigure($mode, $id) {
+ global $g, $config;
+
+ $settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
+ if ($settings['disable']) return;
+
+ $lport = 1194 + $id;
+
+ // Set the keys up
+ // Note that the keys' extension is also the directive that goes to the config file
+ $base_file = $g['varetc_path'] . "/openvpn_{$mode}{$id}.";
+ $keys = array();
+ if ($settings['auth_method'] == 'shared_key')
+ $keys[] = array('field' => 'shared_key', 'ext' => 'secret', 'directive' => 'secret');
+ else {
+ $keys[] = array('field' => 'ca_cert', 'ext' => 'ca', 'directive' => 'ca');
+ $keys[] = array('field' => "{$mode}_cert", 'ext' => 'cert', 'directive' => 'cert');
+ $keys[] = array('field' => "{$mode}_key", 'ext' => 'key', 'directive' => 'key');
+ if ($mode == 'server')
+ $keys[] = array('field' => 'dh_params', 'ext' => 'dh', 'directive' => 'dh');
+ if ($settings['crl'])
+ $keys[] = array('field' => 'crl', 'ext' => 'crl', 'directive' => 'crl-verify');
+ if ($settings['tls'])
+ $keys[] = array('field' => 'tls', 'ext' => 'tls', 'directive' => 'tls-auth');
+
+ }
+ foreach($keys as $key) {
+ $filename = $base_file . $key['ext'];
+ file_put_contents($filename, base64_decode($settings[$key['field']]));
+ chown($filename, 'nobody');
+ chgrp($filename, 'nobody');
+ }
+
+ $pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
+ $proto = ($settings['protocol'] == 'UDP' ? 'udp' : "tcp-{$mode}");
+ $cipher = $settings['crypto'];
+ $openvpn_conf = <<<EOD
+writepid $pidfile
+#user nobody
+#group nobody
+daemon
+keepalive 10 60
+ping-timer-rem
+persist-tun
+persist-key
+dev tun
+proto $proto
+cipher $cipher
+up /etc/rc.filter_configure
+down /etc/rc.filter_configure
+
+EOD;
+
+ // Mode-specific stuff
+ if ($mode == 'server') {
+ list($ip, $mask) = explode('/', $settings['addresspool']);
+ $mask = gen_subnet_mask($mask);
+
+ // Using a shared key or not dynamically assigning IPs to the clients
+ if (($settings['auth_method'] == 'shared_key') || ($settings['nopool'] == 'on')) {
+ if ($settings['auth_method'] == 'pki') $openvpn_conf .= "tls-server\n";
+
+ $baselong = ip2long($ip) & ip2long($mask);
+ $ip1 = long2ip($baselong + 1);
+ $ip2 = long2ip($baselong + 2);
+ $openvpn_conf .= "ifconfig $ip1 $ip2\n";
+ }
+ // Using a PKI
+ else if ($settings['auth_method'] == 'pki') {
+ if ($settings['client2client']) $openvpn_conf .= "client-to-client\n";
+ $openvpn_conf .= "server $ip $mask\n";
+ $csc_dir = "{$g['varetc_path']}/openvpn_csc";
+ $openvpn_conf .= "client-config-dir $csc_dir\n";
+ }
+
+ // We can push routes
+ if (!empty($settings['local_network'])) {
+ list($ip, $mask) = explode('/', $settings['local_network']);
+ $mask = gen_subnet_mask($mask);
+ $openvpn_conf .= "push \"route $ip $mask\"\n";
+ }
+
+ // The port we'll listen at
+ $openvpn_conf .= "lport {$settings['local_port']}\n";
+
+ // DHCP-Options
+ if (!empty($settings['dhcp_domainname'])) $openvpn_conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
+
+ if (!empty($settings['dhcp_dns'])) {
+ $servers = explode(';', $settings['dhcp_dns']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option DNS {$server}\"\n";
+ }
+ else {
+ $openvpn_conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_wins'])) {
+ $servers = explode(';', $settings['dhcp_wins']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option WINS {$server}\"\n";
+ }
+ else {
+ $openvpn_conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_nbdd'])) {
+ $servers = explode(';', $settings['dhcp_nbdd']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NBDD {$server}\"\n";
+ }
+ else {
+ $openvpn_conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_ntp'])) {
+ $servers = explode(';', $settings['dhcp_ntp']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NTP {$server}\"\n";
+ }
+ else {
+ $openvpn_conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $openvpn_conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
+ if (!empty($settings['dhcp_nbtscope'])) $openvpn_conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
+ if (!empty($settings['dhcp_nbtdisable'])) $openvpn_conf .= "push \"dhcp-option DISABLE-NBT\"\n";
+ if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_server{$id}.tls 0\n";
+ if (!empty($settings['maxclients'])) $openvpn_conf .= "max-clients {$settings['maxclients']}\n";
+ if ($settings['gwredir']) $openvpn_conf .= "push \"redirect-gateway def1\"\n";
+ }
+
+ else { // $mode == client
+ // The remote server
+ $openvpn_conf .= "remote {$settings['serveraddr']} {$settings['serverport']}\n";
+
+ if ($settings['auth_method'] == 'pki') $openvpn_conf .= "client\n";
+
+ if ($settings['use_dynamicport']) $openvpn_conf .= "nobind\n";
+ else
+ // The port we'll listen at
+ $openvpn_conf .= "lport {$lport}\n";
+
+ if (!empty($settings['use_shaper'])) $openvpn_conf .= "shaper {$settings['use_shaper']}\n";
+
+ if (!empty($settings['interface_ip'])) {
+ // Configure the IPs according to the address pool
+ list($ip, $mask) = explode('/', $settings['interface_ip']);
+ $mask = gen_subnet_mask($mask);
+ $baselong = ip2long($ip) & ip2long($mask);
+ $ip1 = long2ip($baselong + 1);
+ $ip2 = long2ip($baselong + 2);
+ $openvpn_conf .= "ifconfig $ip2 $ip1\n";
+ }
+ if (isset($settings['proxy_hostname']) && $settings['proxy_hostname'] != "") {
+ /* ;http-proxy-retry # retry on connection failures */
+ $openvpn_conf .= "http-proxy {$settings['proxy_hostname']} {$settings['proxy_port']}\n";
+ }
+
+ if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_client{$id}.tls 1\n";
+
+ }
+
+ // Add the routes if they're set
+ if (!empty($settings['remote_network'])) {
+ list($ip, $mask) = explode('/', $settings['remote_network']);
+ $mask = gen_subnet_mask($mask);
+ $openvpn_conf .= "route $ip $mask\n";
+ }
+
+ // Write the settings for the keys
+ foreach ($keys as $key)
+ if ($key['directive'] != 'tls-auth') {
+ $openvpn_conf .= $key['directive'] . ' ' . $base_file . $key['ext'] . "\n";
+ }
+
+ if ($settings['use_lzo']) $openvpn_conf .= "comp-lzo\n";
+
+ if ($settings['passtos']) $openvpn_conf .= "passtos\n";
+
+ if ($settings['infiniteresolvretry']) $openvpn_conf .= "resolv-retry infinite\n";
+
+ if ($settings['dynamic_ip']) {
+ $openvpn_conf .= "persist-remote-ip\n";
+ $openvpn_conf .= "float\n";
+ }
+
+ if (!empty($settings['custom_options'])) {
+ $options = explode(';', $settings['custom_options']);
+ if (is_array($options)) {
+ foreach ($options as $option)
+ $openvpn_conf .= "$option\n";
+ }
+ else {
+ $openvpn_conf .= "{$settings['custom_options']}\n";
+ }
+ }
+
+ file_put_contents($g['varetc_path'] . "/openvpn_{$mode}{$id}.conf", $openvpn_conf);
+}
+
+
+function openvpn_resync_csc($id) {
+ global $g, $config;
+
+ $settings = $config['installedpackages']['openvpncsc']['config'][$id];
+
+ if ($settings['disable'] == 'on') {
+ $filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
+ unlink_if_exists($filename);
+ return;
+ }
+
+ $conf = '';
+ if ($settings['block'] == 'on') $conf .= "disable\n";
+ if ($settings['push_reset'] == 'on') $conf .= "push-reset\n";
+ if (!empty($settings['ifconfig_push'])) {
+ list($ip, $mask) = explode('/', $settings['ifconfig_push']);
+ $baselong = ip2long($ip) & gen_subnet_mask_long($mask);
+ $conf .= 'ifconfig-push ' . long2ip($baselong + 1) . ' ' . long2ip($baselong + 2) . "\n";
+ }
+
+// DHCP-Options
+ if (!empty($settings['dhcp_domainname'])) $conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
+
+ if (!empty($settings['dhcp_dns'])) {
+ $servers = explode(';', $settings['dhcp_dns']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $conf .= "push \"dhcp-option DNS {$server}\"\n";
+ }
+ else {
+ $conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_wins'])) {
+ $servers = explode(';', $settings['dhcp_wins']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $conf .= "push \"dhcp-option WINS {$server}\"\n";
+ }
+ else {
+ $conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_nbdd'])) {
+ $servers = explode(';', $settings['dhcp_nbdd']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $conf .= "push \"dhcp-option NBDD {$server}\"\n";
+ }
+ else {
+ $conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_ntp'])) {
+ $servers = explode(';', $settings['dhcp_ntp']);
+ if (is_array($servers)) {
+ foreach ($servers as $server) $conf .= "push \"dhcp-option NTP {$server}\"\n";
+ }
+ else {
+ $conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
+ }
+ }
+
+ if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
+ if (!empty($settings['dhcp_nbtscope'])) $conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
+ if ($settings['dhcp_nbtdisable']) $conf .= "push \"dhcp-option DISABLE-NBT\"\n";
+ if ($settings['gwredir']) $conf .= "push \"redirect-gateway def1\"\n";
+
+
+ if (!empty($settings['custom_options'])) {
+ $options = explode(';', $settings['custom_options']);
+ if (is_array($options)) {
+ foreach ($options as $option)
+ $conf .= "$option\n";
+ }
+ else {
+ $conf .= "{$settings['custom_options']}\n";
+ }
+ }
+
+ $filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
+ file_put_contents($filename, $conf);
+ chown($filename, 'nobody');
+ chgrp($filename, 'nogroup');
+
+}
+
+
+function openvpn_restart($mode, $id) {
+ global $g, $config;
+
+ $pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
+ killbypid($pidfile);
+ sleep(2);
+
+ $settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
+ if ($settings['disable']) return;
+
+ $configfile = $g['varetc_path'] . "/openvpn_{$mode}{$id}.conf";
+ mwexec_bg("nohup openvpn --config $configfile");
+ touch("{$g['tmp_path']}/filter_dirty");
+}
+
+
+// Resync the configuration and restart the VPN
+function openvpn_resync($mode, $id) {
+ openvpn_reconfigure($mode, $id);
+ openvpn_restart($mode, $id);
+}
+
+function openvpn_create_cscdir() {
+ global $g;
+
+ $csc_dir = "{$g['varetc_path']}/openvpn_csc";
+ if (is_dir($csc_dir))
+ rmdir_recursive($csc_dir);
+ make_dirs($csc_dir);
+ chown($csc_dir, 'nobody');
+ chgrp($csc_dir, 'nobody');
+}
+
+// Resync and restart all VPNs
+function openvpn_resync_all() {
+ global $config;
+
+ foreach (array('server', 'client') as $mode) {
+ if (is_array($config['installedpackages']["openvpn$mode"]['config'])) {
+ foreach ($config['installedpackages']["openvpn$mode"]['config'] as $id => $settings)
+ openvpn_resync($mode, $id);
+ }
+ }
+
+ openvpn_create_cscdir();
+ if (is_array($config['installedpackages']['openvpncsc']['config'])) {
+ foreach ($config['installedpackages']['openvpncsc']['config'] as $id => $csc)
+ openvpn_resync_csc($id);
+ }
+
+ /* give speedy machines time to settle */
+ sleep(5);
+
+ /* reload the filter policy */
+ filter_configure();
+
+}
+
+function openvpn_print_javascript($mode) {
+ $javascript = <<<EOD
+<script language="JavaScript">
+<!--
+function onAuthMethodChanged() {
+ var method = document.iform.auth_method;
+ var endis = (method.options[method.selectedIndex].value == 'shared_key');
+
+ document.iform.shared_key.disabled = !endis;
+ document.iform.ca_cert.disabled = endis;
+ document.iform.{$mode}_cert.disabled = endis;
+ document.iform.{$mode}_key.disabled = endis;
+ document.iform.tls.disabled = endis;
+
+EOD;
+ if ($mode == 'server') {
+ $javascript .= <<<EOD
+ document.iform.dh_params.disabled = endis;
+ document.iform.crl.disabled = endis;
+ document.iform.tls.disabled = endis;
+ document.iform.nopool.disabled = endis;
+ document.iform.local_network.disabled = endis;
+ document.iform.client2client.disabled = endis;
+ document.iform.maxclients.disabled = endis;
+
+EOD;
+ }
+
+ else { // Client mode
+ $javascript .= "\tdocument.iform.remote_network.disabled = !endis;\n";
+ }
+
+ $javascript .= <<<EOD
+}
+//-->
+</script>
+
+EOD;
+ print($javascript);
+}
+
+
+function openvpn_print_javascript2() {
+ $javascript = <<<EOD
+<script language="JavaScript">
+<!--
+ onAuthMethodChanged();
+//-->
+</script>
+
+EOD;
+ print($javascript);
+}
+?>
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 21:41:48 +0000