/
vpn_ipsec_phase1.php
1319 lines (1104 loc) · 38.5 KB
/
vpn_ipsec_phase1.php
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<?php
/*
* vpn_ipsec_phase1.php
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2004-2013 BSD Perimeter
* Copyright (c) 2013-2016 Electric Sheep Fencing
* Copyright (c) 2014-2020 Rubicon Communications, LLC (Netgate)
* Copyright (c) 2008 Shrew Soft Inc
* All rights reserved.
*
* originally based on m0n0wall (http://m0n0.ch/wall)
* Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
##|+PRIV
##|*IDENT=page-vpn-ipsec-editphase1
##|*NAME=VPN: IPsec: Edit Phase 1
##|*DESCR=Allow access to the 'VPN: IPsec: Edit Phase 1' page.
##|*MATCH=vpn_ipsec_phase1.php*
##|-PRIV
require_once("functions.inc");
require_once("guiconfig.inc");
require_once("ipsec.inc");
require_once("vpn.inc");
require_once("filter.inc");
if ($_REQUEST['generatekey']) {
$keyoutput = "";
$keystatus = "";
exec("/bin/dd status=none if=/dev/random bs=4096 count=1 | /usr/bin/openssl sha224 | /usr/bin/cut -f2 -d' '", $keyoutput, $keystatus);
print json_encode(['pskey' => $keyoutput[0]]);
exit;
}
init_config_arr(array('ipsec', 'phase1'));
init_config_arr(array('ipsec', 'phase2'));
$a_phase1 = &$config['ipsec']['phase1'];
$a_phase2 = &$config['ipsec']['phase2'];
if (is_numericint($_REQUEST['p1index'])) {
$p1index = $_REQUEST['p1index'];
}
if (is_numericint($_REQUEST['dup'])) {
$p1index = $_REQUEST['dup'];
}
if (isset($p1index) && $a_phase1[$p1index]) {
// don't copy the ikeid on dup
if (!isset($_REQUEST['dup']) || !is_numericint($_REQUEST['dup'])) {
$pconfig['ikeid'] = $a_phase1[$p1index]['ikeid'];
}
$old_ph1ent = $a_phase1[$p1index];
$pconfig['disabled'] = isset($a_phase1[$p1index]['disabled']);
if ($a_phase1[$p1index]['interface']) {
$pconfig['interface'] = $a_phase1[$p1index]['interface'];
} else {
$pconfig['interface'] = "wan";
}
list($pconfig['remotenet'], $pconfig['remotebits']) = explode("/", $a_phase1[$p1index]['remote-subnet']);
if (isset($a_phase1[$p1index]['mobile'])) {
$pconfig['mobile'] = 'true';
} else {
$pconfig['remotegw'] = $a_phase1[$p1index]['remote-gateway'];
}
if (empty($a_phase1[$p1index]['iketype'])) {
$pconfig['iketype'] = "ikev1";
} else {
$pconfig['iketype'] = $a_phase1[$p1index]['iketype'];
}
$pconfig['mode'] = $a_phase1[$p1index]['mode'];
$pconfig['protocol'] = $a_phase1[$p1index]['protocol'];
$pconfig['myid_type'] = $a_phase1[$p1index]['myid_type'];
$pconfig['myid_data'] = $a_phase1[$p1index]['myid_data'];
$pconfig['peerid_type'] = $a_phase1[$p1index]['peerid_type'];
$pconfig['peerid_data'] = $a_phase1[$p1index]['peerid_data'];
$pconfig['encryption'] = $a_phase1[$p1index]['encryption'];
$pconfig['rekey_time'] = $a_phase1[$p1index]['rekey_time'];
$pconfig['reauth_time'] = $a_phase1[$p1index]['reauth_time'];
$pconfig['over_time'] = $a_phase1[$p1index]['over_time'];
$pconfig['authentication_method'] = $a_phase1[$p1index]['authentication_method'];
if (($pconfig['authentication_method'] == "pre_shared_key") ||
($pconfig['authentication_method'] == "xauth_psk_server")) {
$pconfig['pskey'] = $a_phase1[$p1index]['pre-shared-key'];
} else {
$pconfig['pkcs11certref'] = $a_phase1[$p1index]['pkcs11certref'];
$pconfig['pkcs11pin'] = $a_phase1[$p1index]['pkcs11pin'];
$pconfig['certref'] = $a_phase1[$p1index]['certref'];
$pconfig['caref'] = $a_phase1[$p1index]['caref'];
}
$pconfig['descr'] = $a_phase1[$p1index]['descr'];
$pconfig['nat_traversal'] = $a_phase1[$p1index]['nat_traversal'];
$pconfig['mobike'] = $a_phase1[$p1index]['mobike'];
$pconfig['closeaction'] = $a_phase1[$p1index]['closeaction'];
if (isset($a_phase1[$p1index]['responderonly'])) {
$pconfig['responderonly'] = true;
}
if ($a_phase1[$p1index]['dpd_delay'] && $a_phase1[$p1index]['dpd_maxfail']) {
$pconfig['dpd_enable'] = true;
$pconfig['dpd_delay'] = $a_phase1[$p1index]['dpd_delay'];
$pconfig['dpd_maxfail'] = $a_phase1[$p1index]['dpd_maxfail'];
}
if (isset($a_phase1[$p1index]['prfselect_enable'])) {
$pconfig['prfselect_enable'] = 'yes';
}
if (isset($a_phase1[$p1index]['splitconn'])) {
$pconfig['splitconn'] = true;
}
if (isset($a_phase1[$p1index]['tfc_enable'])) {
$pconfig['tfc_enable'] = true;
}
if (isset($a_phase1[$p1index]['tfc_bytes'])) {
$pconfig['tfc_bytes'] = $a_phase1[$p1index]['tfc_bytes'];
}
} else {
/* defaults */
$pconfig['interface'] = "wan";
if ($config['interfaces']['lan']) {
$pconfig['localnet'] = "lan";
}
$pconfig['mode'] = "main";
$pconfig['protocol'] = "inet";
$pconfig['myid_type'] = "myaddress";
$pconfig['peerid_type'] = "peeraddress";
$pconfig['authentication_method'] = "pre_shared_key";
$pconfig['reauth_time'] = "28800";
$pconfig['nat_traversal'] = 'on';
$pconfig['mobike'] = 'off';
$pconfig['prfselect_enable'] = false;
$pconfig['dpd_enable'] = true;
$pconfig['iketype'] = "ikev1";
/* mobile client */
if ($_REQUEST['mobile']) {
$pconfig['mobile'] = true;
$pconfig['mode'] = "aggressive";
}
}
// default value for new P1 and failsafe to always have at least 1 encryption item for the Form_ListItem
if (!is_array($pconfig['encryption']['item']) || count($pconfig['encryption']['item']) == 0) {
$item = array();
$item['encryption-algorithm'] = array('name' => "aes", 'keylen' => 128);
$item['hash-algorithm'] = "sha256";
$item['prf-algorithm'] = "sha256";
$item['dhgroup'] = "14";
$pconfig['encryption']['item'][] = $item;
}
if (isset($_REQUEST['dup']) && is_numericint($_REQUEST['dup'])) {
unset($p1index);
}
if ($_POST['save']) {
unset($input_errors);
$pconfig = $_POST;
for($i = 0; $i < 100; $i++) {
if (isset($_POST['ealgo_algo'.$i])) {
$item = array();
$item['encryption-algorithm']['name'] = $_POST['ealgo_algo'.$i];
$item['encryption-algorithm']['keylen'] = $_POST['ealgo_keylen'.$i];
$item['hash-algorithm'] = $_POST['halgo'.$i];
$item['prf-algorithm'] = $_POST['prfalgo'.$i];
$item['dhgroup'] = $_POST['dhgroup'.$i];
$pconfig['encryption']['item'][] = $item;
}
}
/* input validation */
$method = $pconfig['authentication_method'];
// Unset ca and cert if not required to avoid storing in config
if ($method == "pre_shared_key" || $method == "xauth_psk_server") {
unset($pconfig['certref']);
unset($pconfig['pkcs11certref']);
}
if (!in_array($method, array('cert', 'eap-tls', 'xauth_cert_server', 'pkcs11'))) {
unset($pconfig['caref']);
}
// Only require PSK here for normal PSK tunnels (not mobile) or xauth.
// For certificate methods, require the CA/Cert.
switch ($method) {
case 'eap-mschapv2':
if ($pconfig['iketype'] != 'ikev2') {
$input_errors[] = gettext("EAP-MSChapv2 can only be used with IKEv2 type VPNs.");
}
break;
case "eap-tls":
if ($pconfig['iketype'] != 'ikev2') {
$input_errors[] = gettext("EAP-TLS can only be used with IKEv2 type VPNs.");
}
break;
case "eap-radius":
if ($pconfig['iketype'] != 'ikev2') {
$input_errors[] = gettext("EAP-RADIUS can only be used with IKEv2 type VPNs.");
}
break;
case "pre_shared_key":
// If this is a mobile PSK tunnel the user PSKs go on
// the PSK tab, not here, so skip the check.
if ($pconfig['mobile']) {
break;
}
case "xauth_psk_server":
$reqdfields = explode(" ", "pskey");
$reqdfieldsn = array(gettext("Pre-Shared Key"));
$validate_pskey = true;
break;
case "xauth_cert_server":
case "cert":
$reqdfields = explode(" ", "caref certref");
$reqdfieldsn = array(gettext("Certificate Authority"), gettext("Certificate"));
break;
case "pkcs11":
$reqdfields = explode(" ", "caref pkcs11certref pkcs11pin");
$reqdfieldsn = array(gettext("Certificate Authority"), gettext("Token Certificate"), gettext("Token PIN"));
break;
default:
/* Other types do not use this validation mechanism. */
}
if (!$pconfig['mobile']) {
$reqdfields[] = "remotegw";
$reqdfieldsn[] = gettext("Remote gateway");
}
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
if (isset($validate_pskey) && isset($pconfig['pskey']) && !preg_match('/^[[:ascii:]]*$/', $pconfig['pskey'])) {
unset($validate_pskey);
$input_errors[] = gettext("Pre-Shared Key contains invalid characters.");
}
if (!empty($pconfig['rekey_time']) && !is_numericint($pconfig['rekey_time'])) {
$input_errors[] = gettext("Rekey Time must be an integer.");
}
if (!empty($pconfig['reauth_time']) && !is_numericint($pconfig['reauth_time'])) {
$input_errors[] = gettext("Reauth Time must be an integer.");
}
if (!empty($pconfig['over_time']) && !is_numericint($pconfig['over_time'])) {
$input_errors[] = gettext("Over Time must be an integer.");
}
if (!empty($pconfig['closeaction']) && !array_key_exists($pconfig['closeaction'], $ipsec_closeactions)) {
$input_errors[] = gettext("Invalid Child SA Close Action.");
}
if ($pconfig['remotegw']) {
if (!is_ipaddr($pconfig['remotegw']) && !is_domain($pconfig['remotegw'])) {
$input_errors[] = gettext("A valid remote gateway address or host name must be specified.");
} elseif (is_ipaddrv4($pconfig['remotegw']) && ($pconfig['protocol'] == "inet6")) {
$input_errors[] = gettext("A valid remote gateway IPv4 address must be specified or protocol needs to be changed to IPv6");
} elseif (is_ipaddrv6($pconfig['remotegw']) && ($pconfig['protocol'] == "inet")) {
$input_errors[] = gettext("A valid remote gateway IPv6 address must be specified or protocol needs to be changed to IPv4");
}
}
if ($pconfig['remotegw'] && is_ipaddr($pconfig['remotegw']) && !isset($pconfig['disabled'])) {
$t = 0;
foreach ($a_phase1 as $ph1tmp) {
if ($p1index != $t) {
$tremotegw = $pconfig['remotegw'];
if (($ph1tmp['remote-gateway'] == $tremotegw) && !isset($ph1tmp['disabled'])) {
$input_errors[] = sprintf(gettext('The remote gateway "%1$s" is already used by phase1 "%2$s".'), $tremotegw, $ph1tmp['descr']);
}
}
$t++;
}
}
if (($pconfig['iketype'] == "ikev1") && is_array($a_phase2) && (count($a_phase2))) {
foreach ($a_phase2 as $phase2) {
if ($phase2['ikeid'] == $pconfig['ikeid']) {
if (($pconfig['protocol'] == "inet") && ($phase2['mode'] == "tunnel6")) {
$input_errors[] = gettext("There is a Phase 2 using IPv6, cannot use IPv4.");
break;
}
if (($pconfig['protocol'] == "inet6") && ($phase2['mode'] == "tunnel")) {
$input_errors[] = gettext("There is a Phase 2 using IPv4, cannot use IPv6.");
break;
}
}
}
}
/* My identity */
if ($pconfig['myid_type'] == "myaddress") {
$pconfig['myid_data'] = "";
}
if ($pconfig['myid_type'] == "address" and $pconfig['myid_data'] == "") {
$input_errors[] = gettext("Please enter an address for 'My Identifier'");
}
if ($pconfig['myid_type'] == "keyid tag" and $pconfig['myid_data'] == "") {
$input_errors[] = gettext("Please enter a keyid tag for 'My Identifier'");
}
if ($pconfig['myid_type'] == "fqdn" and $pconfig['myid_data'] == "") {
$input_errors[] = gettext("Please enter a fully qualified domain name for 'My Identifier'");
}
if ($pconfig['myid_type'] == "user_fqdn" and $pconfig['myid_data'] == "") {
$input_errors[] = gettext("Please enter a user and fully qualified domain name for 'My Identifier'");
}
if ($pconfig['myid_type'] == "dyn_dns" and $pconfig['myid_data'] == "") {
$input_errors[] = gettext("Please enter a dynamic domain name for 'My Identifier'");
}
if (($pconfig['myid_type'] == "address") && !is_ipaddr($pconfig['myid_data'])) {
$input_errors[] = gettext("A valid IP address for 'My identifier' must be specified.");
}
if (($pconfig['myid_type'] == "fqdn") && !is_domain($pconfig['myid_data'])) {
$input_errors[] = gettext("A valid domain name for 'My identifier' must be specified.");
}
if ($pconfig['myid_type'] == "fqdn") {
if (is_domain($pconfig['myid_data']) == false) {
$input_errors[] = gettext("A valid FQDN for 'My identifier' must be specified.");
}
}
if ($pconfig['myid_type'] == "user_fqdn") {
$user_fqdn = explode("@", $pconfig['myid_data']);
if (is_domain($user_fqdn[1]) == false) {
$input_errors[] = gettext("A valid User FQDN in the form of user@my.domain.com for 'My identifier' must be specified.");
}
}
if ($pconfig['myid_type'] == "dyn_dns") {
if (is_domain($pconfig['myid_data']) == false) {
$input_errors[] = gettext("A valid Dynamic DNS address for 'My identifier' must be specified.");
}
}
/* Peer identity */
if ($pconfig['myid_type'] == "peeraddress") {
$pconfig['peerid_data'] = "";
}
// Only enforce peer ID if we are not dealing with a pure-psk mobile config.
if (!(($pconfig['authentication_method'] == "pre_shared_key") && ($pconfig['mobile']))) {
if ($pconfig['peerid_type'] == "address" and $pconfig['peerid_data'] == "") {
$input_errors[] = gettext("Please enter an address for 'Peer Identifier'");
}
if ($pconfig['peerid_type'] == "keyid tag" and $pconfig['peerid_data'] == "") {
$input_errors[] = gettext("Please enter a keyid tag for 'Peer Identifier'");
}
if ($pconfig['peerid_type'] == "fqdn" and $pconfig['peerid_data'] == "") {
$input_errors[] = gettext("Please enter a fully qualified domain name for 'Peer Identifier'");
}
if ($pconfig['peerid_type'] == "user_fqdn" and $pconfig['peerid_data'] == "") {
$input_errors[] = gettext("Please enter a user and fully qualified domain name for 'Peer Identifier'");
}
if ((($pconfig['peerid_type'] == "address") && !is_ipaddr($pconfig['peerid_data']))) {
$input_errors[] = gettext("A valid IP address for 'Peer identifier' must be specified.");
}
if ((($pconfig['peerid_type'] == "fqdn") && !is_domain($pconfig['peerid_data']))) {
$input_errors[] = gettext("A valid domain name for 'Peer identifier' must be specified.");
}
if ($pconfig['peerid_type'] == "fqdn") {
if (is_domain($pconfig['peerid_data']) == false) {
$input_errors[] = gettext("A valid FQDN for 'Peer identifier' must be specified.");
}
}
if ($pconfig['peerid_type'] == "user_fqdn") {
$user_fqdn = explode("@", $pconfig['peerid_data']);
if (is_domain($user_fqdn[1]) == false) {
$input_errors[] = gettext("A valid User FQDN in the form of user@my.domain.com for 'Peer identifier' must be specified.");
}
}
}
if ($pconfig['dpd_enable']) {
if (!is_numericint($pconfig['dpd_delay'])) {
$input_errors[] = gettext("A numeric value must be specified for DPD delay.");
}
if (!is_numericint($pconfig['dpd_maxfail'])) {
$input_errors[] = gettext("A numeric value must be specified for DPD retries.");
}
}
if ($pconfig['tfc_bytes'] && !is_numericint($pconfig['tfc_bytes'])) {
$input_errors[] = gettext("A numeric value must be specified for TFC bytes.");
}
if (!empty($pconfig['iketype']) && $pconfig['iketype'] != "ikev1" && $pconfig['iketype'] != "ikev2" && $pconfig['iketype'] != "auto") {
$input_errors[] = gettext("Valid arguments for IKE type are v1, v2 or auto");
}
foreach($pconfig['encryption']['item'] as $p1algo) {
if (preg_match("/aes\d+gcm/", $p1algo['encryption-algorithm']['name']) && $_POST['iketype'] != "ikev2") {
$input_errors[] = gettext("Encryption Algorithm AES-GCM can only be used with IKEv2");
}
}
/* auth backend for mobile eap-radius VPNs should be a RADIUS server */
if (($pconfig['authentication_method'] == 'eap-radius') && $pconfig['mobile']) {
if (!empty($config['ipsec']['client']['user_source'])) {
$auth_server_list = explode(',', $config['ipsec']['client']['user_source']);
foreach ($auth_server_list as $auth_server_name) {
$auth_server = auth_get_authserver($auth_server_name);
if (!is_array($auth_server) || ($auth_server['type'] != 'radius')) {
$input_errors[] = gettext("A valid RADIUS server must be selected for user authentication on the Mobile Clients tab in order to set EAP-RADIUS as the authentication method.");
}
}
}
}
if (is_array($old_ph1ent) && ipsec_vti($old_ph1ent, false, false) && $pconfig['disabled']) {
$input_errors[] = gettext("Cannot disable a Phase 1 with a child Phase 2 while the interface is assigned. Remove the interface assignment before disabling this P2.");
}
if (!empty($pconfig['certref'])) {
$errchkcert =& lookup_cert($pconfig['certref']);
if (is_array($errchkcert) && !cert_check_pkey_compatibility($errchkcert['prv'], 'IPsec')) {
$input_errors[] = gettext("The selected ECDSA certificate does not use a curve compatible with IKEv2");
}
}
if (!$input_errors) {
$ph1ent['ikeid'] = $pconfig['ikeid'];
$ph1ent['iketype'] = $pconfig['iketype'];
if ($pconfig['iketype'] == 'ikev2') {
unset($ph1ent['mode']);
} else {
$ph1ent['mode'] = $pconfig['mode'];
}
$ph1ent['disabled'] = $pconfig['disabled'] ? true : false;
$ph1ent['interface'] = $pconfig['interface'];
/* if the remote gateway changed and the interface is not WAN then remove route */
/* the ipsec_configure() handles adding the route */
if ($pconfig['interface'] <> "wan") {
if ($old_ph1ent['remote-gateway'] <> $pconfig['remotegw']) {
$rgateway = exec("/sbin/route -n get {$old_ph1ent} | /usr/bin/awk '/gateway:/ {print $2;}'");
mwexec("/sbin/route delete -host {$old_ph1ent['remote-gateway']} " . escapeshellarg($rgateway));
}
}
if ($pconfig['mobile']) {
$ph1ent['mobile'] = true;
} else {
$ph1ent['remote-gateway'] = $pconfig['remotegw'];
}
$ph1ent['protocol'] = $pconfig['protocol'];
$ph1ent['myid_type'] = $pconfig['myid_type'];
$ph1ent['myid_data'] = $pconfig['myid_data'];
$ph1ent['peerid_type'] = $pconfig['peerid_type'];
$ph1ent['peerid_data'] = $pconfig['peerid_data'];
$ph1ent['encryption'] = $pconfig['encryption'];
$ph1ent['rekey_time'] = $pconfig['rekey_time'];
$ph1ent['reauth_time'] = $pconfig['reauth_time'];
$ph1ent['over_time'] = $pconfig['over_time'];
$ph1ent['pre-shared-key'] = $pconfig['pskey'];
$ph1ent['private-key'] = base64_encode($pconfig['privatekey']);
$ph1ent['certref'] = $pconfig['certref'];
$ph1ent['pkcs11certref'] = $pconfig['pkcs11certref'];
$ph1ent['pkcs11pin'] = $pconfig['pkcs11pin'];
$ph1ent['caref'] = $pconfig['caref'];
$ph1ent['authentication_method'] = $pconfig['authentication_method'];
$ph1ent['descr'] = $pconfig['descr'];
$ph1ent['nat_traversal'] = $pconfig['nat_traversal'];
$ph1ent['mobike'] = $pconfig['mobike'];
$ph1ent['closeaction'] = $pconfig['closeaction'];
if (isset($pconfig['prfselect_enable'])) {
$ph1ent['prfselect_enable'] = 'yes';
} else {
unset($ph1ent['prfselect_enable']);
}
if (isset($pconfig['responderonly'])) {
$ph1ent['responderonly'] = true;
} else {
unset($ph1ent['responderonly']);
}
if (isset($pconfig['dpd_enable'])) {
$ph1ent['dpd_delay'] = $pconfig['dpd_delay'];
$ph1ent['dpd_maxfail'] = $pconfig['dpd_maxfail'];
}
if (isset($pconfig['splitconn'])) {
$ph1ent['splitconn'] = true;
} else {
unset($ph1ent['splitconn']);
}
if (isset($pconfig['tfc_enable'])) {
$ph1ent['tfc_enable'] = true;
}
if (isset($pconfig['tfc_bytes'])) {
$ph1ent['tfc_bytes'] = $pconfig['tfc_bytes'];
}
/* generate unique phase1 ikeid */
if ($ph1ent['ikeid'] == 0) {
$ph1ent['ikeid'] = ipsec_ikeid_next();
}
if (isset($p1index) && $a_phase1[$p1index]) {
$a_phase1[$p1index] = $ph1ent;
} else {
$a_phase1[] = $ph1ent;
}
write_config(gettext("Saved IPsec tunnel Phase 1 configuration."));
mark_subsystem_dirty('ipsec');
header("Location: vpn_ipsec.php");
exit;
}
}
function build_interface_list() {
$interfaces = get_configured_interface_with_descr();
$viplist = get_configured_vip_list();
foreach ($viplist as $vip => $address) {
$interfaces[$vip] = $address;
if (get_vip_descr($address)) {
$interfaces[$vip] .= " (". get_vip_descr($address) .")";
}
}
$grouplist = return_gateway_groups_array();
foreach ($grouplist as $name => $group) {
if ($group[0]['vip'] != "") {
$vipif = $group[0]['vip'];
} else {
$vipif = $group[0]['int'];
}
$interfaces[$name] = sprintf(gettext("GW Group %s"), $name);
}
return($interfaces);
}
function build_auth_method_list() {
global $p1_authentication_methods, $pconfig;
$list = array();
foreach ($p1_authentication_methods as $method_type => $method_params) {
if (!$pconfig['mobile'] && $method_params['mobile']) {
continue;
}
$list[$method_type] = htmlspecialchars($method_params['name']);
}
return($list);
}
function build_myid_list() {
global $my_identifier_list;
$list = array();
foreach ($my_identifier_list as $id_type => $id_params) {
$list[$id_type] = htmlspecialchars($id_params['desc']);
}
return($list);
}
function build_peerid_list() {
global $peer_identifier_list;
$list = array();
foreach ($peer_identifier_list as $id_type => $id_params) {
$list[$id_type] = htmlspecialchars($id_params['desc']);
}
return($list);
}
function build_pkcs11cert_list() {
global $config;
$list = array();
$p11_cn = array();
$p11_id = array();
$output = shell_exec('/usr/local/bin/pkcs15-tool -c');
preg_match_all('/X\.509\ Certificate\ \[(.*)\]/', $output, $p11_cn);
preg_match_all('/ID\s+: (.*)/', $output, $p11_id);
if (is_array($p11_id)) {
for ($i = 0; $i < count($p11_id[1]); $i++) {
$list[$p11_id[1][$i]] = "{$p11_cn[1][$i]} " . "({$p11_id[1][$i]})";
}
}
return($list);
}
function build_eal_list() {
global $p1_ealgos;
$list = array();
if (is_array($p1_ealgos)) {
foreach ($p1_ealgos as $algo => $algodata) {
$list[$algo] = htmlspecialchars($algodata['name']);
}
}
return($list);
}
if ($pconfig['mobile']) {
$pgtitle = array(gettext("VPN"), gettext("IPsec"), gettext("Mobile Clients"), gettext("Edit Phase 1"));
$pglinks = array("", "vpn_ipsec.php", "vpn_ipsec_mobile.php", "@self");
} else {
$pgtitle = array(gettext("VPN"), gettext("IPsec"), gettext("Tunnels"), gettext("Edit Phase 1"));
$pglinks = array("", "vpn_ipsec.php", "vpn_ipsec.php", "@self");
}
$shortcut_section = "ipsec";
include("head.inc");
if ($input_errors) {
print_input_errors($input_errors);
}
$tab_array = array();
$tab_array[] = array(gettext("Tunnels"), true, "vpn_ipsec.php");
$tab_array[] = array(gettext("Mobile Clients"), false, "vpn_ipsec_mobile.php");
$tab_array[] = array(gettext("Pre-Shared Keys"), false, "vpn_ipsec_keys.php");
$tab_array[] = array(gettext("Advanced Settings"), false, "vpn_ipsec_settings.php");
display_top_tabs($tab_array);
$form = new Form();
$section = new Form_Section('General Information');
$section->addInput(new Form_Checkbox(
'disabled',
'Disabled',
'Set this option to disable this phase1 without removing it from the list. ',
$pconfig['disabled']
));
$section->addInput(new Form_Select(
'iketype',
'*Key Exchange version',
$pconfig['iketype'],
array("ikev1" => "IKEv1", "ikev2" => "IKEv2", "auto" => gettext("Auto"))
))->setHelp('Select the Internet Key Exchange protocol version to be used. Auto uses IKEv2 when initiator, and accepts either IKEv1 or IKEv2 as responder.');
$section->addInput(new Form_Select(
'protocol',
'*Internet Protocol',
$pconfig['protocol'],
array("inet" => "IPv4", "inet6" => "IPv6", "both" => "Both (Dual Stack)")
))->setHelp('Select the Internet Protocol family.');
$section->addInput(new Form_Select(
'interface',
'*Interface',
$pconfig['interface'],
build_interface_list()
))->setHelp('Select the interface for the local endpoint of this phase1 entry.');
if (!$pconfig['mobile']) {
$section->addInput(new Form_Input(
'remotegw',
'*Remote Gateway',
'text',
$pconfig['remotegw']
))->setHelp('Enter the public IP address or host name of the remote gateway.');
}
$section->addInput(new Form_Input(
'descr',
'Description',
'text',
$pconfig['descr']
))->setHelp('A description may be entered here for administrative reference (not parsed).');
$form->add($section);
$section = new Form_Section('Phase 1 Proposal (Authentication)');
$section->addInput(new Form_Select(
'authentication_method',
'*Authentication Method',
$pconfig['authentication_method'],
build_auth_method_list()
))->setHelp('Must match the setting chosen on the remote side.');
$section->addInput(new Form_Select(
'mode',
'*Negotiation mode',
$pconfig['mode'],
array("main" => gettext("Main"), "aggressive" => gettext("Aggressive"))
))->setHelp('Aggressive is more flexible, but less secure.');
$group = new Form_Group('*My identifier');
$group->add(new Form_Select(
'myid_type',
null,
$pconfig['myid_type'],
build_myid_list()
));
$group->add(new Form_Input(
'myid_data',
null,
'text',
$pconfig['myid_data']
));
$section->add($group);
$group = new Form_Group('*Peer identifier');
$group->addClass('peeridgroup');
$group->add(new Form_Select(
'peerid_type',
null,
$pconfig['peerid_type'],
build_peerid_list()
));
$group->add(new Form_Input(
'peerid_data',
null,
'text',
$pconfig['peerid_data']
));
if ($pconfig['mobile']) {
$group->setHelp('This is known as the "group" setting on some VPN client implementations');
}
$section->add($group);
$section->addInput(new Form_Input(
'pskey',
'*Pre-Shared Key',
'text',
$pconfig['pskey']
))->setHelp('Enter the Pre-Shared Key string. This key must match on both peers. %1$sThis key should be long and random to protect the tunnel and its contents. A weak Pre-Shared Key can lead to a tunnel compromise.%1$s', '<br/>');
$section->addInput(new Form_Select(
'certref',
'*My Certificate',
$pconfig['certref'],
cert_build_list('cert', 'IPsec')
))->setHelp('Select a certificate previously configured in the Certificate Manager.');
$section->addInput(new Form_Select(
'pkcs11certref',
'*PKCS#11 Certificate',
$pconfig['pkcs11certref'],
build_pkcs11cert_list()
))->setHelp('Select a Certificate from an attached PKCS#11 token device');
$section->addInput(new Form_Input(
'pkcs11pin',
'*PKCS#11 PIN',
'text',
$pconfig['pkcs11pin']
))->setHelp('Enter PKCS#11 token PIN number');
$section->addInput(new Form_Select(
'caref',
'*Peer Certificate Authority',
$pconfig['caref'],
cert_build_list('ca', 'IPsec')
))->setHelp('Select a certificate authority previously configured in the Certificate Manager.');
$form->add($section);
$rowcount = count($pconfig['encryption']['item']);
$section = new Form_Section('Phase 1 Proposal (Encryption Algorithm)');
foreach($pconfig['encryption']['item'] as $key => $p1enc) {
$lastrow = ($counter == $rowcount - 1);
$group = new Form_Group($counter == 0 ? '*Encryption Algorithm' : '');
$group->addClass("repeatable");
$group->add(new Form_Select(
'ealgo_algo'.$key,
null,
$p1enc['encryption-algorithm']['name'],
build_eal_list()
))->setHelp($lastrow ? 'Algorithm' : '')->setWidth(2);
$group->add(new Form_Select(
'ealgo_keylen'.$key,
null,
$p1enc['encryption-algorithm']['keylen'],
array()
))->setHelp($lastrow ? 'Key length' : '')->setWidth(2);
$group->add(new Form_Select(
'halgo'.$key,
'*Hash Algorithm',
$p1enc['hash-algorithm'],
$p1_halgos
))->setHelp($lastrow ? 'Hash' : '')->setWidth(2);
$group->add(new Form_Select(
'dhgroup'.$key,
'*DH Group',
$p1enc['dhgroup'],
$p1_dhgroups
))->setHelp($lastrow ? 'DH Group' : '')->setWidth(2);
$group->add(new Form_Button(
'deleterow' . $counter,
'Delete',
null,
'fa-trash'
))->addClass('btn-warning')->setWidth(2);
$group->add(new Form_StaticText(
null,
null,
))->setWidth(6);
$group->add(new Form_Select(
'prfalgo'.$key,
'*PRF Algorithm',
$p1enc['prf-algorithm'],
$p1_halgos
))->setHelp($lastrow ? 'PRF' : '')->setWidth(2);
$section->add($group);
$counter += 1;
}
$section->addInput(new Form_StaticText('', ''))->setHelp('Note: Blowfish, 3DES, CAST128, MD5, SHA1, and DH groups 1, 2, 22, 23, and 24 provide weak security and should be avoided.');
$btnaddopt = new Form_Button(
'algoaddrow',
'Add Algorithm',
null,
'fa-plus'
);
$btnaddopt->removeClass('btn-primary')->addClass('btn-success btn-sm');
$section->addInput($btnaddopt);
$form->add($section);
$section = new Form_Section('Expiration and Replacement');
$section->addInput(new Form_Input(
'rekey_time',
'Rekey Time',
'number',
$pconfig['rekey_time']
))->setHelp('Time, in seconds, before an IKE SA establishes new keys. This works without interruption. ' .
'Only supported by IKEv2, and is recommended for use with IKEv2. ' .
'Leave blank or enter a value of 0 to disable.');
$section->addInput(new Form_Input(
'reauth_time',
'Reauth Time',
'number',
$pconfig['reauth_time']
))->setHelp('Time, in seconds, before an IKE SA is torn down and recreated from scratch, including authentication. ' .
'This can be disruptive unless both sides support make-before-break and overlapping IKE SA entries. ' .
'Supported by IKEv1 and IKEv2. Leave blank or enter a value of 0 to disable.');
$section->addInput(new Form_Input(
'over_time',
'Over Time',
'number',
$pconfig['over_time']
))->setHelp('Hard IKE SA life time, in seconds, after which the IKE SA will be expired. ' .
'This time is relative to reauthentication and rekey time. ' .
'If left empty, defaults to 10% of whichever timer is higher (reauth or rekey)');
$form->add($section);
$section = new Form_Section('Advanced Options');
$section->addInput(new Form_Checkbox(
'responderonly',
'Responder Only',
'Enable this option to never initiate this connection from this side, only respond to incoming requests.',
$pconfig['responderonly']
));
$section->addInput(new Form_Select(
'closeaction',
'Child SA Close Action',
$pconfig['closeaction'],
$ipsec_closeactions
))->setHelp('Set this option to control the behavior when the remote peer unexpectedly closes a child SA (P2)');
$section->addInput(new Form_Select(
'nat_traversal',
'NAT Traversal',
$pconfig['nat_traversal'],
array('on' => gettext('Auto'), 'force' => gettext('Force'))
))->setHelp('Set this option to enable the use of NAT-T (i.e. the encapsulation of ESP in UDP packets) if needed, ' .
'which can help with clients that are behind restrictive firewalls.');
$section->addInput(new Form_Select(
'mobike',
'MOBIKE',
$pconfig['mobike'],
array('on' => gettext('Enable'), 'off' => gettext('Disable'))
))->setHelp('Set this option to control the use of MOBIKE');
$section->addInput(new Form_Checkbox(
'splitconn',
'Split connections',
'Enable this to split connection entries with multiple phase 2 configurations. Required for remote endpoints that support only a single traffic selector per child SA.',
$pconfig['splitconn']
));
$section->addInput(new Form_Checkbox(
'prfselect_enable',
'PRF Selection',
'Enable manual Pseudo-Random Function (PRF) selection',
$pconfig['prfselect_enable'],
))->setHelp('Manual PRF selection is typically not required, but can be useful in combination with AEAD Encryption Algorithms such as AES-GCM');
/* FreeBSD doesn't yet have TFC support. this is ready to go once it does
https://redmine.pfsense.org/issues/4688
$section->addInput(new Form_Checkbox(
'tfc_enable',
'Traffic Flow Confidentiality',
'Enable TFC',
$pconfig['tfc_enable']
))->setHelp('Enable Traffic Flow Confidentiality');
$section->addInput(new Form_Input(
'tfc_bytes',
'TFC Bytes',
'Bytes TFC',
$pconfig['tfc_bytes']
))->setHelp('Enter the number of bytes to pad ESP data to, or leave blank to fill to MTU size');
*/
$section->addInput(new Form_Checkbox(
'dpd_enable',
'Dead Peer Detection',
'Enable DPD',
$pconfig['dpd_enable']
));