";
}
if ($_GET['act'] == "new") {
$pconfig['autokey_enable'] = "yes";
$pconfig['tlsauth_enable'] = "yes";
$pconfig['autotls_enable'] = "yes";
$pconfig['interface'] = "wan";
$pconfig['server_port'] = 1194;
$pconfig['verbosity_level'] = 1; // Default verbosity is 1
// OpenVPN Defaults to SHA1
$pconfig['digest'] = "SHA1";
}
global $simplefields;
$simplefields = array('auth_user', 'auth_pass');
if ($_GET['act'] == "edit") {
if (isset($id) && $a_client[$id]) {
foreach ($simplefields as $stat) {
$pconfig[$stat] = $a_client[$id][$stat];
}
$pconfig['disable'] = isset($a_client[$id]['disable']);
$pconfig['mode'] = $a_client[$id]['mode'];
$pconfig['protocol'] = $a_client[$id]['protocol'];
$pconfig['interface'] = $a_client[$id]['interface'];
if (!empty($a_client[$id]['ipaddr'])) {
$pconfig['interface'] = $pconfig['interface'] . '|' . $a_client[$id]['ipaddr'];
}
$pconfig['local_port'] = $a_client[$id]['local_port'];
$pconfig['server_addr'] = $a_client[$id]['server_addr'];
$pconfig['server_port'] = $a_client[$id]['server_port'];
$pconfig['resolve_retry'] = $a_client[$id]['resolve_retry'];
$pconfig['proxy_addr'] = $a_client[$id]['proxy_addr'];
$pconfig['proxy_port'] = $a_client[$id]['proxy_port'];
$pconfig['proxy_user'] = $a_client[$id]['proxy_user'];
$pconfig['proxy_passwd'] = $a_client[$id]['proxy_passwd'];
$pconfig['proxy_authtype'] = $a_client[$id]['proxy_authtype'];
$pconfig['description'] = $a_client[$id]['description'];
$pconfig['custom_options'] = $a_client[$id]['custom_options'];
$pconfig['ns_cert_type'] = $a_client[$id]['ns_cert_type'];
$pconfig['dev_mode'] = $a_client[$id]['dev_mode'];
if ($pconfig['mode'] != "p2p_shared_key") {
$pconfig['caref'] = $a_client[$id]['caref'];
$pconfig['certref'] = $a_client[$id]['certref'];
if ($a_client[$id]['tls']) {
$pconfig['tlsauth_enable'] = "yes";
$pconfig['tls'] = base64_decode($a_client[$id]['tls']);
}
} else {
$pconfig['shared_key'] = base64_decode($a_client[$id]['shared_key']);
}
$pconfig['crypto'] = $a_client[$id]['crypto'];
// OpenVPN Defaults to SHA1 if unset
$pconfig['digest'] = !empty($a_client[$id]['digest']) ? $a_client[$id]['digest'] : "SHA1";
$pconfig['engine'] = $a_client[$id]['engine'];
$pconfig['tunnel_network'] = $a_client[$id]['tunnel_network'];
$pconfig['tunnel_networkv6'] = $a_client[$id]['tunnel_networkv6'];
$pconfig['remote_network'] = $a_client[$id]['remote_network'];
$pconfig['remote_networkv6'] = $a_client[$id]['remote_networkv6'];
$pconfig['use_shaper'] = $a_client[$id]['use_shaper'];
$pconfig['compression'] = $a_client[$id]['compression'];
$pconfig['passtos'] = $a_client[$id]['passtos'];
// just in case the modes switch
$pconfig['autokey_enable'] = "yes";
$pconfig['autotls_enable'] = "yes";
$pconfig['no_tun_ipv6'] = $a_client[$id]['no_tun_ipv6'];
$pconfig['route_no_pull'] = $a_client[$id]['route_no_pull'];
$pconfig['route_no_exec'] = $a_client[$id]['route_no_exec'];
if (isset($a_client[$id]['verbosity_level'])) {
$pconfig['verbosity_level'] = $a_client[$id]['verbosity_level'];
} else {
$pconfig['verbosity_level'] = 1; // Default verbosity is 1
}
}
}
if ($_POST) {
unset($input_errors);
$pconfig = $_POST;
if (isset($id) && $a_client[$id]) {
$vpnid = $a_client[$id]['vpnid'];
} else {
$vpnid = 0;
}
list($iv_iface, $iv_ip) = explode ("|", $pconfig['interface']);
if (is_ipaddrv4($iv_ip) && (stristr($pconfig['protocol'], "6") !== false)) {
$input_errors[] = gettext("Protocol and IP address families do not match. You cannot select an IPv6 protocol and an IPv4 IP address.");
} elseif (is_ipaddrv6($iv_ip) && (stristr($pconfig['protocol'], "6") === false)) {
$input_errors[] = gettext("Protocol and IP address families do not match. You cannot select an IPv4 protocol and an IPv6 IP address.");
} elseif ((stristr($pconfig['protocol'], "6") === false) && !get_interface_ip($iv_iface) && ($pconfig['interface'] != "any")) {
$input_errors[] = gettext("An IPv4 protocol was selected, but the selected interface has no IPv4 address.");
} elseif ((stristr($pconfig['protocol'], "6") !== false) && !get_interface_ipv6($iv_iface) && ($pconfig['interface'] != "any")) {
$input_errors[] = gettext("An IPv6 protocol was selected, but the selected interface has no IPv6 address.");
}
if ($pconfig['mode'] != "p2p_shared_key") {
$tls_mode = true;
} else {
$tls_mode = false;
}
/* input validation */
if ($pconfig['local_port']) {
if ($result = openvpn_validate_port($pconfig['local_port'], 'Local port')) {
$input_errors[] = $result;
}
$portused = openvpn_port_used($pconfig['protocol'], $pconfig['interface'], $pconfig['local_port'], $vpnid);
if (($portused != $vpnid) && ($portused != 0)) {
$input_errors[] = gettext("The specified 'Local port' is in use. Please select another value");
}
}
if ($result = openvpn_validate_host($pconfig['server_addr'], 'Server host or address')) {
$input_errors[] = $result;
}
if ($result = openvpn_validate_port($pconfig['server_port'], 'Server port')) {
$input_errors[] = $result;
}
if ($pconfig['proxy_addr']) {
if ($result = openvpn_validate_host($pconfig['proxy_addr'], 'Proxy host or address')) {
$input_errors[] = $result;
}
if ($result = openvpn_validate_port($pconfig['proxy_port'], 'Proxy port')) {
$input_errors[] = $result;
}
if ($pconfig['proxy_authtype'] != "none") {
if (empty($pconfig['proxy_user']) || empty($pconfig['proxy_passwd'])) {
$input_errors[] = gettext("User name and password are required for proxy with authentication.");
}
if ($pconfig['proxy_passwd'] != $pconfig['proxy_passwd_confirm']) {
$input_errors[] = gettext("Password and confirmation must match.");
}
}
}
if ($pconfig['tunnel_network']) {
if ($result = openvpn_validate_cidr($pconfig['tunnel_network'], 'IPv4 Tunnel Network', false, "ipv4")) {
$input_errors[] = $result;
}
}
if ($pconfig['tunnel_networkv6']) {
if ($result = openvpn_validate_cidr($pconfig['tunnel_networkv6'], 'IPv6 Tunnel Network', false, "ipv6")) {
$input_errors[] = $result;
}
}
if ($result = openvpn_validate_cidr($pconfig['remote_network'], 'IPv4 Remote Network', true, "ipv4")) {
$input_errors[] = $result;
}
if ($result = openvpn_validate_cidr($pconfig['remote_networkv6'], 'IPv6 Remote Network', true, "ipv6")) {
$input_errors[] = $result;
}
if (!empty($pconfig['use_shaper']) && (!is_numeric($pconfig['use_shaper']) || ($pconfig['use_shaper'] <= 0))) {
$input_errors[] = gettext("The bandwidth limit must be a positive numeric value.");
}
if ($pconfig['autokey_enable']) {
$pconfig['shared_key'] = openvpn_create_key();
}
if (!$tls_mode && !$pconfig['autokey_enable']) {
if (!strstr($pconfig['shared_key'], "-----BEGIN OpenVPN Static key V1-----") ||
!strstr($pconfig['shared_key'], "-----END OpenVPN Static key V1-----")) {
$input_errors[] = gettext("The field 'Shared Key' does not appear to be valid");
}
}
if ($tls_mode && $pconfig['tlsauth_enable'] && !$pconfig['autotls_enable']) {
if (!strstr($pconfig['tls'], "-----BEGIN OpenVPN Static key V1-----") ||
!strstr($pconfig['tls'], "-----END OpenVPN Static key V1-----")) {
$input_errors[] = gettext("The field 'TLS Authentication Key' does not appear to be valid");
}
}
/* If we are not in shared key mode, then we need the CA/Cert. */
if ($pconfig['mode'] != "p2p_shared_key") {
$reqdfields = explode(" ", "caref");
$reqdfieldsn = array(gettext("Certificate Authority"));
} elseif (!$pconfig['autokey_enable']) {
/* We only need the shared key filled in if we are in shared key mode and autokey is not selected. */
$reqdfields = array('shared_key');
$reqdfieldsn = array(gettext('Shared key'));
}
do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
if (($pconfig['mode'] != "p2p_shared_key") && empty($pconfig['certref']) && empty($pconfig['auth_user']) && empty($pconfig['auth_pass'])) {
$input_errors[] = gettext("If no Client Certificate is selected, a username and/or password must be entered.");
}
if ($pconfig['auth_pass'] != $pconfig['auth_pass_confirm']) {
$input_errors[] = gettext("Password and confirmation must match.");
}
if (!$input_errors) {
$client = array();
foreach ($simplefields as $stat) {
if (($stat == 'auth_pass') && ($_POST[$stat] == DMYPWD)) {
$client[$stat] = $a_client[$id]['auth_pass'];
} else {
update_if_changed($stat, $client[$stat], $_POST[$stat]);
}
}
if ($vpnid) {
$client['vpnid'] = $vpnid;
} else {
$client['vpnid'] = openvpn_vpnid_next();
}
if ($_POST['disable'] == "yes") {
$client['disable'] = true;
}
$client['protocol'] = $pconfig['protocol'];
$client['dev_mode'] = $pconfig['dev_mode'];
list($client['interface'], $client['ipaddr']) = explode ("|", $pconfig['interface']);
$client['local_port'] = $pconfig['local_port'];
$client['server_addr'] = $pconfig['server_addr'];
$client['server_port'] = $pconfig['server_port'];
$client['resolve_retry'] = $pconfig['resolve_retry'];
$client['proxy_addr'] = $pconfig['proxy_addr'];
$client['proxy_port'] = $pconfig['proxy_port'];
$client['proxy_authtype'] = $pconfig['proxy_authtype'];
$client['proxy_user'] = $pconfig['proxy_user'];
if ($pconfig['proxy_passwd'] != DMYPWD) {
$client['proxy_passwd'] = $pconfig['proxy_passwd'];
}
$client['description'] = $pconfig['description'];
$client['mode'] = $pconfig['mode'];
$client['custom_options'] = str_replace("\r\n", "\n", $pconfig['custom_options']);
if ($tls_mode) {
$client['caref'] = $pconfig['caref'];
$client['certref'] = $pconfig['certref'];
if ($pconfig['tlsauth_enable']) {
if ($pconfig['autotls_enable']) {
$pconfig['tls'] = openvpn_create_key();
}
$client['tls'] = base64_encode($pconfig['tls']);
}
} else {
$client['shared_key'] = base64_encode($pconfig['shared_key']);
}
$client['crypto'] = $pconfig['crypto'];
$client['digest'] = $pconfig['digest'];
$client['engine'] = $pconfig['engine'];
$client['tunnel_network'] = $pconfig['tunnel_network'];
$client['tunnel_networkv6'] = $pconfig['tunnel_networkv6'];
$client['remote_network'] = $pconfig['remote_network'];
$client['remote_networkv6'] = $pconfig['remote_networkv6'];
$client['use_shaper'] = $pconfig['use_shaper'];
$client['compression'] = $pconfig['compression'];
$client['passtos'] = $pconfig['passtos'];
$client['no_tun_ipv6'] = $pconfig['no_tun_ipv6'];
$client['route_no_pull'] = $pconfig['route_no_pull'];
$client['route_no_exec'] = $pconfig['route_no_exec'];
$client['verbosity_level'] = $pconfig['verbosity_level'];
if (isset($id) && $a_client[$id]) {
$a_client[$id] = $client;
} else {
$a_client[] = $client;
}
openvpn_resync('client', $client);
write_config();
header("Location: vpn_openvpn_client.php");
exit;
}
}
include("head.inc");
if (!$savemsg) {
$savemsg = "";
}
if ($input_errors) {
print_input_errors($input_errors);
}
if ($savemsg) {
print_info_box($savemsg, 'success');
}
$tab_array = array();
$tab_array[] = array(gettext("Server"), false, "vpn_openvpn_server.php");
$tab_array[] = array(gettext("Client"), true, "vpn_openvpn_client.php");
$tab_array[] = array(gettext("Client Specific Overrides"), false, "vpn_openvpn_csc.php");
$tab_array[] = array(gettext("Wizards"), false, "wizard.php?xml=openvpn_wizard.xml");
add_package_tabs("OpenVPN", $tab_array);
display_top_tabs($tab_array);
if ($act=="new" || $act=="edit"):
$form = new Form();
$section = new Form_Section('General Information');
$section->addInput(new Form_Checkbox(
'disable',
'Disabled',
'Disable this client',
$pconfig['disable']
))->setHelp('Set this option to disable this client without removing it from the list');
$section->addInput(new Form_Select(
'mode',
'Server mode',
$pconfig['mode'],
$openvpn_client_modes
));
$section->addInput(new Form_Select(
'protocol',
'Protocol',
$pconfig['protocol'],
array_combine($openvpn_prots, $openvpn_prots)
));
$section->addInput(new Form_Select(
'dev_mode',
'Device mode',
empty($pconfig['dev_mode']) ? 'tun':$pconfig['dev_mode'],
array_combine($openvpn_dev_mode, $openvpn_dev_mode)
));
$section->addInput(new Form_Select(
'interface',
'Interface',
$pconfig['interface'],
openvpn_build_if_list()
));
$section->addInput(new Form_Input(
'local_port',
'Local port',
'number',
$pconfig['local_port']
))->setHelp('Set this option if you would like to bind to a specific port. Leave this blank or enter 0 for a random dynamic port.');
$section->addInput(new Form_Input(
'server_addr',
'Server host or address',
'text',
$pconfig['server_addr']
));
$section->addInput(new Form_Input(
'server_port',
'Server port',
'number',
$pconfig['server_port']
));
$section->addInput(new Form_Input(
'proxy_addr',
'Proxy host or address',
'text',
$pconfig['proxy_addr']
));
$section->addInput(new Form_Select(
'proxy_authtype',
'Proxy Auth. - Extra options',
$pconfig['proxy_authtype'],
array('none' => 'none', 'basic' => 'basic', 'ntlm' => 'ntlm')
));
$section->addInput(new Form_Input(
'proxy_user',
'Username',
'text',
$pconfig['proxy_user']
));
$section->addPassword(new Form_Input(
'proxy_passwd',
'Password',
'password',
$pconfig['proxy_passwd']
));
$section->addInput(new Form_Checkbox(
'resolve_retry',
'Server hostname resolution',
'Infinitely resolve server ',
$pconfig['resolve_retry']
))->setHelp('Continuously attempt to resolve the server host name. ' .
'Useful when communicating with a server that is not permanently connected to the Internet.');
$section->addInput(new Form_Input(
'description',
'Description',
'text',
$pconfig['description']
))->setHelp('You may enter a description here for your reference (not parsed).');
$form->add($section);
$section = new Form_Section('User Authentication settings');
$section->addClass('authentication');
$section->addInput(new Form_Input(
'auth_user',
'Username',
'text',
$pconfig['auth_user']
))->setHelp('Leave empty when no user name is needed');
$section->addPassword(new Form_Input(
'auth_pass',
'Password',
'password',
$pconfig['auth_pass']
))->setHelp('Leave empty when no password is needed');
$form->add($section);
$section = new Form_Section('Cryptographic settings');
$section->addInput(new Form_Checkbox(
'tlsauth_enable',
'TLS authentication',
'Enable authentication of TLS packets.',
$pconfig['tlsauth_enable']
));
if (!$pconfig['tls']) {
$section->addInput(new Form_Checkbox(
'autotls_enable',
null,
'Automatically generate a shared TLS authentication key.',
$pconfig['autotls_enable']
));
}
$section->addInput(new Form_Textarea(
'tls',
'Key',
$pconfig['tls']
))->setHelp('Paste your shared key here');
if (count($a_ca)) {
$list = array();
foreach ($a_ca as $ca) {
$list[$ca['refid']] = $ca['descr'];
}
$section->addInput(new Form_Select(
'caref',
'Peer Certificate Authority',
$pconfig['caref'],
$list
));
} else {
$section->addInput(new Form_StaticText(
'Peer Certificate Authority',
sprintf('No Certificate Authorities defined. You may create one here: %s', 'System > Cert Manager')
));
}
if (count($a_crl)) {
$section->addInput(new Form_Select(
'crlref',
'Peer Certificate Revocation list',
$pconfig['crlref'],
openvpn_build_crl_list()
));
} else {
$section->addInput(new Form_StaticText(
'Peer Certificate Revocation list',
sprintf('No Certificate Revocation Lists defined. You may create one here: %s', 'System > Cert Manager > Certificate Revocation')
));
}
$section->addInput(new Form_Checkbox(
'autokey_enable',
'Auto generate',
'Automatically generate a shared key',
$pconfig['autokey_enable'] && empty($pconfig['shared_key'])
));
$section->addInput(new Form_Textarea(
'shared_key',
'Shared Key',
$pconfig['shared_key']
))->setHelp('Paste your shared key here');
$cl = openvpn_build_cert_list(true);
$section->addInput(new Form_Select(
'certref',
'Client Certificate',
$pconfig['certref'],
$cl['server']
));
$section->addInput(new Form_Select(
'crypto',
'Encryption Algorithm',
$pconfig['crypto'],
openvpn_get_cipherlist()
));
$section->addInput(new Form_Select(
'digest',
'Auth digest algorithm',
$pconfig['digest'],
openvpn_get_digestlist()
))->setHelp('Leave this set to SHA1 unless all clients are set to match. SHA1 is the default for OpenVPN. ');
$section->addInput(new Form_Select(
'engine',
'Hardware Crypto',
$pconfig['engine'],
openvpn_get_engines()
));
$form->add($section);
$section = new Form_Section('Tunnel settings');
$section->addInput(new Form_Input(
'tunnel_network',
'IPv4 Tunnel Network',
'text',
$pconfig['tunnel_network']
))->setHelp('This is the IPv4 virtual network used for private communications between this client and the server ' .
'expressed using CIDR (eg. 10.0.8.0/24). The first network address will be assigned to ' .
'the client virtual interface.');
$section->addInput(new Form_Input(
'tunnel_networkv6',
'IPv6 Tunnel Network',
'text',
$pconfig['tunnel_networkv6']
))->setHelp('This is the IPv6 virtual network used for private ' .
'communications between this client and the server expressed using CIDR (eg. fe80::/64). ' .
'The first network address will be assigned to the server virtual interface.');
$section->addInput(new Form_Input(
'remote_network',
'IPv4 Remote network(s)',
'text',
$pconfig['remote_network']
))->setHelp('IPv4 networks that will be routed through the tunnel, so that a site-to-site VPN can be established without manually ' .
'changing the routing tables. Expressed as a comma-separated list of one or more CIDR ranges. ' .
'If this is a site-to-site VPN, enter the remote LAN/s here. You may leave this blank if you don\'t want a site-to-site VPN.');
$section->addInput(new Form_Input(
'remote_networkv6',
'IPv6 Remote network(s)',
'text',
$pconfig['remote_networkv6']
))->setHelp('These are the IPv6 networks that will be routed through the tunnel, so that a site-to-site VPN can be established without manually ' .
'changing the routing tables. Expressed as a comma-separated list of one or more IP/PREFIX. ' .
'If this is a site-to-site VPN, enter the remote LAN/s here. You may leave this blank if you don\'t want a site-to-site VPN.');
$section->addInput(new Form_Input(
'use_shaper',
'Limit outgoing bandwidth',
'number',
$pconfig['use_shaper'],
['min' => 100, 'max' => 100000000, 'placeholder' => 'Between 100 and 100,000,000 bytes/sec']
))->setHelp('Maximum outgoing bandwidth for this tunnel. Leave empty for no limit. The input value has to be something between 100 bytes/sec and 100 Mbytes/sec (entered as bytes per second).');
$section->addInput(new Form_Select(
'compression',
'Compression',
$pconfig['compression'],
$openvpn_compression_modes
))->setHelp('Compress tunnel packets using the LZO algorithm. Adaptive compression will dynamically disable compression for a period of time if OpenVPN detects that the data in the packets is not being compressed efficiently.');
$section->addInput(new Form_Checkbox(
'passtos',
'Type-of-Service',
'Set the TOS IP header value of tunnel packets to match the encapsulated packet value.',
$pconfig['passtos']
));
$section->addInput(new Form_Checkbox(
'no_tun_ipv6',
'Disable IPv6',
'Don\'t forward IPv6 traffic. ',
$pconfig['no_tun_ipv6']
));
$section->addInput(new Form_Checkbox(
'route_no_pull',
'Don\'t pull routes',
'Bars the server from adding routes to the client\'s routing table',
$pconfig['route_no_pull']
))->setHelp('This option still allows the server to set the TCP/IP properties of the client\'s TUN/TAP interface. ');
$section->addInput(new Form_Checkbox(
'route_no_exec',
'Don\'t add/remove routes',
'Don\'t add or remove routes automatically',
$pconfig['route_no_exec']
))->setHelp('Pass routes to --route-upscript using environmental variables');
$form->add($section);
$section = new Form_Section('Advanced Configuration');
$section->addClass('advanced');
$section->addInput(new Form_Textarea(
'custom_options',
'Custom options',
$pconfig['custom_options']
))->setHelp('Enter any additional options you would like to add to the OpenVPN server configuration here, separated by semicolon' . ' ' .
'EXAMPLE: push "route 10.0.0.0 255.255.255.0"');
$section->addInput(new Form_Select(
'verbosity_level',
'Verbosity level',
$pconfig['verbosity_level'],
$openvpn_verbosity_level
))->setHelp('Each level shows all info from the previous levels. Level 3 is recommended if you want a good summary of what\'s happening without being swamped by output' . '
' .
'None: Only fatal errors' . ' ' .
'Default: Normal usage range' . ' ' .
'5: Output R and W characters to the console for each packet read and write, uppercase is used for TCP/UDP packets and lowercase is used for TUN/TAP packets' .' ' .
'6: Debug info range');
$section->addInput(new Form_Input(
'act',
null,
'hidden',
$act
));
if (isset($id) && $a_server[$id]) {
$section->addInput(new Form_Input(
'id',
null,
'hidden',
$id
));
}
$form->add($section);
print($form);
else:
?>