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univnautes/etc/inc/vpn.inc

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<?php
/*
vpn.inc
Copyright (C) 2004 Scott Ullrich
Copyright (C) 2008 Shrew Soft Inc
Copyright (C) 2008 Ermal Lu<4C>i
All rights reserved.
originally part of m0n0wall (http://m0n0.ch/wall)
Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/*
pfSense_BUILDER_BINARIES: /sbin/ifconfig
pfSense_BUILDER_BINARIES: /usr/local/sbin/ipsec /usr/local/libexec/ipsec/charon /usr/local/libexec/ipsec/starter
pfSense_BUILDER_BINARIES: /usr/local/sbin/filterdns /usr/local/sbin/mpd4
pfSense_MODULE: vpn
*/
require_once("ipsec.inc");
function vpn_ipsec_configure_loglevels($forconfig = false)
{
global $config, $ipsec_loglevels;
$cfgtext = array();
foreach ($ipsec_loglevels as $lkey => $ldescr) {
if (!isset($config['ipsec']["ipsec_{$lkey}"]) && !$forconfig)
mwexec("/usr/local/sbin/ipsec stroke loglevel {$lkey} -- -1", false);
else if (is_numeric($config['ipsec']["ipsec_{$lkey}"]) &&
intval($config['ipsec']["ipsec_{$lkey}"]) >= 1 && intval($config['ipsec']["ipsec_{$lkey}"]) <= 5)
$forconfig ? $cfgtext[] = "${lkey} " . (intval($config['ipsec']["ipsec_{$lkey}"]) - 1) :
mwexec("/usr/local/sbin/ipsec stroke loglevel {$lkey} " . (intval($config['ipsec']["ipsec_{$lkey}"]) - 1) , false);
}
if ($forconfig)
return implode(',', $cfgtext);
}
/* include all configuration functions */
function vpn_ipsec_convert_to_modp($index)
{
$convertion = "";
switch ($index) {
case '1':
$convertion = "modp768";
break;
case '2':
$convertion = "modp1024";
break;
case '5':
$convertion = "modp1536";
break;
case '14':
$convertion = "modp2048";
break;
case '15':
$convertion = "modp3072";
break;
case '16':
$convertion = "modp4096";
break;
case '17':
$convertion = "modp6144";
break;
case '18':
$convertion = "modp8192";
break;
}
return $convertion;
}
function vpn_ipsec_configure($ipchg = false)
{
global $config, $g, $sa, $sn, $p1_ealgos, $p2_ealgos;
if ($g['platform'] == 'jail')
return;
/* get the automatic ping_hosts.sh ready */
unlink_if_exists("{$g['vardb_path']}/ipsecpinghosts");
touch("{$g['vardb_path']}/ipsecpinghosts");
vpn_ipsec_configure_preferoldsa();
$syscfg = $config['system'];
$ipseccfg = $config['ipsec'];
$a_phase1 = $config['ipsec']['phase1'];
$a_phase2 = $config['ipsec']['phase2'];
$a_client = $config['ipsec']['client'];
if (!isset($ipseccfg['enable'])) {
/* try to stop charon */
mwexec("/usr/local/sbin/ipsec stop");
/* Stop dynamic monitoring */
killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
/* wait for process to die */
sleep(2);
/* disallow IPSEC, it is off */
mwexec("/sbin/ifconfig enc0 down");
set_single_sysctl("net.inet.ip.ipsec_in_use", "0");
return 0;
} else {
$certpath = "{$g['varetc_path']}/ipsec/ipsec.d/certs";
$capath = "{$g['varetc_path']}/ipsec/ipsec.d/cacerts";
$keypath = "{$g['varetc_path']}/ipsec/ipsec.d/private";
mwexec("/sbin/ifconfig enc0 up");
set_single_sysctl("net.inet.ip.ipsec_in_use", "1");
/* needed for config files */
if (!is_dir("{$g['varetc_path']}/ipsec"))
mkdir("{$g['varetc_path']}/ipsec");
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d");
if (!is_dir($capath))
mkdir($capath);
if (!is_dir($keypath))
mkdir($keypath);
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d/crls"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d/crls");
if (!is_dir($certpath))
mkdir($certpath);
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d/aacerts"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d/aacerts");
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d/acerts"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d/acerts");
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d/ocspcerts"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d/ocspcerts");
if (!is_dir("{$g['varetc_path']}/ipsec/ipsec.d/reqs"))
mkdir("{$g['varetc_path']}/ipsec/ipsec.d/reqs");
if ($g['booting'])
echo gettext("Configuring IPsec VPN... ");
/* fastforwarding is not compatible with ipsec tunnels */
set_single_sysctl("net.inet.ip.fastforwarding", "0");
/* resolve all local, peer addresses and setup pings */
$ipmap = array();
$rgmap = array();
$filterdns_list = array();
$listeniflist = array();
unset($iflist);
if (is_array($a_phase1) && count($a_phase1)) {
$ipsecpinghosts = "";
/* step through each phase1 entry */
foreach ($a_phase1 as $ph1ent) {
if (isset($ph1ent['disabled']))
continue;
$ikeid = $ph1ent['ikeid'];
$listeniflist = get_real_interface($a_phase1['interface']);
$ep = ipsec_get_phase1_src($ph1ent);
if (!is_ipaddr($ep))
continue;
if(!in_array($ep,$ipmap))
$ipmap[] = $ep;
/* see if this tunnel has a hostname for the remote-gateway. If so,
try to resolve it now and add it to the list for filterdns */
if (isset ($ph1ent['mobile']))
continue;
$rg = $ph1ent['remote-gateway'];
if (!is_ipaddr($rg)) {
$filterdns_list[] = "{$rg}";
add_hostname_to_watch($rg);
if(! $g['booting'])
$rg = resolve_retry($rg);
if (!is_ipaddr($rg))
continue;
}
if(array_search($rg, $rgmap)) {
log_error("The remote gateway {$rg} already exists on another phase 1 entry");
continue;
}
$rgmap[$ph1ent['remote-gateway']] = $rg;
if (is_array($a_phase2)) {
/* step through each phase2 entry */
foreach ($a_phase2 as $ph2ent) {
if (isset($ph2ent['disabled']))
continue;
if ($ikeid != $ph2ent['ikeid'])
continue;
/* add an ipsec pinghosts entry */
if ($ph2ent['pinghost']) {
if (!is_array($iflist))
$iflist = get_configured_interface_list();
$viplist = get_configured_vips_list();
$srcip = null;
$local_subnet = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']);
if(is_ipaddrv6($ph2ent['pinghost'])) {
foreach ($iflist as $ifent => $ifname) {
$interface_ip = get_interface_ipv6($ifent);
if(!is_ipaddrv6($interface_ip))
continue;
if (ip_in_subnet($interface_ip, $local_subnet)) {
$srcip = $interface_ip;
break;
}
}
} else {
foreach ($iflist as $ifent => $ifname) {
$interface_ip = get_interface_ip($ifent);
if(!is_ipaddrv4($interface_ip))
continue;
if ($local_subnet == "0.0.0.0/0" || ip_in_subnet($interface_ip, $local_subnet)) {
$srcip = $interface_ip;
break;
}
}
}
/* if no valid src IP was found in configured interfaces, try the vips */
if (is_null($srcip)) {
foreach ($viplist as $vip) {
if (ip_in_subnet($vip['ipaddr'], $local_subnet)) {
$srcip = $vip['ipaddr'];
break;
}
}
}
$dstip = $ph2ent['pinghost'];
if(is_ipaddrv6($dstip)) {
$family = "inet6";
} else {
$family = "inet";
}
if (is_ipaddr($srcip))
$ipsecpinghosts[] = "{$srcip}|{$dstip}|3|||||{$family}|\n";
}
}
}
}
@file_put_contents("{$g['vardb_path']}/ipsecpinghosts", $ipsecpinghosts);
unset($ipsecpinghosts);
}
unset($iflist);
$accept_unencrypted = "";
if (isset($config['ipsec']['acceptunencryptedmainmode']))
$accept_unencrypted = "accept_unencrypted_mainmode_messages = yes";
$strongswan = <<<EOD
# Automatically generated config file - DO NOT MODIFY. Changes will be overwritten.
starter {
load_warning = no
}
charon {
# number of worker threads in charon
threads = 16
ikesa_table_size = 32
ikesa_table_segments = 4
init_limit_half_open = 1000;
# XXX: There is not much choice here really users win their security!
i_dont_care_about_security_and_use_aggressive_mode_psk=yes
{$accept_unencrypted}
cisco_unity = yes
# And two loggers using syslog. The subsections define the facility to log
# to, currently one of: daemon, auth.
syslog {
identifier = charon
# default level to the LOG_DAEMON facility
daemon {
}
# very minimalistic IKE auditing logs to LOG_AUTHPRIV
auth {
default = -1
ike = 1
ike_name = yes
}
}
EOD;
$strongswan .= "\tplugins {\n";
if (is_array($a_client) && isset($a_client['enable'])) {
$strongswan .= "\t\tattr {\n";
if ($a_client['pool_address'] && $a_client['pool_netbits'])
$strongswan .= "\t\tsubnet = {$a_client['pool_address']}/{$a_client['pool_netbits']}\n";
$cfgservers = array();
if (!empty($a_client['dns_server1']))
$cfgservers[] = $a_client['dns_server1'];
if (!empty($a_client['dns_server2']))
$cfgservers[] = $a_client['dns_server2'];
if (!empty($a_client['dns_server3']))
$cfgservers[] = $a_client['dns_server3'];
if (!empty($a_client['dns_server4']))
$cfgservers[] = $a_client['dns_server4'];
if (!empty($cfgservers))
$strongswan .= "\t\tdns = " . implode(",", $cfgservers) . "\n";
unset($cfgservers);
$cfgservers = array();
if (!empty($a_client['wins_server1']))
$cfgservers[] = $a_client['wins_server1'];
if (!empty($a_client['wins_server2']))
$cfgservers[] = $a_client['wins_server2'];
if (!empty($cfgservers))
$strongswan .= "\t\tnbns = " . implode(",", $cfgservers) . "\n";
unset($cfgservers);
if (isset($a_client['net_list'])) {
$net_list = '';
foreach ($a_phase2 as $ph2ent) {
if (isset($ph2ent['disabled']))
continue;
if (!isset($ph2ent['mobile']))
continue;
$localid = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']);
if (!empty($net_list))
$net_list .= ",";
$net_list .= $localid;
}
if (!empty($net_list)) {
$strongswan .= "\t\tsplit-include = {$net_list}\n";
unset($net_list);
}
}
if (!empty($a_client['dns_domain'])) {
$strongswan .= "\t\t# Search domain and default domain\n";
$strongswan .= "\t\t28674 = {$a_client['dns_domain']}\n";
if (empty($a_client['dns_split']))
$strongswan .= "\t\t28675 = {$a_client['dns_domain']}";
$strongswan .= "\n";
}
if (!empty($a_client['dns_split'])) {
$strongswan .= "\t\t28675 = {$a_client['dns_split']}\n";
}
if (!empty($a_client['login_banner']))
$strongswan .= "\t\t28672 = {$a_client['login_banner']}\n";
if (isset($a_client['save_passwd']))
$strongswan .= "\t\t28673 = yes\n";
if ($a_client['pfs_group'])
$strongswan .= "\t\t28679 = {$a_client['pfs_group']}\n";
$strongswan .= "\t\t}\n";
if ($a_client['user_source'] != "none") {
$strongswan .= "\txauth-generic {\n";
$strongswan .= "\t\tscript = /etc/inc/ipsec.auth-user.php\n";
$strongswan .= "\t\tauthcfg = ";
$firstsed = 0;
$authcfgs = explode(",", $a_client['user_source']);
foreach ($authcfgs as $authcfg) {
if ($firstsed > 0)
$strongswan .= ",";
if ($authcfg == "system")
$authcfg = "Local Database";
$strongswan .= $authcfg;
$firstsed = 1;
}
$strongswan .= "\n";
$strongswan .= "\t}\n";
}
}
$strongswan .= "\t}\n}\n";
@file_put_contents("{$g['varetc_path']}/ipsec/strongswan.conf", $strongswan);
unset($strongswan);
/* generate CA certificates files */
if (is_array($config['ca']) && count($config['ca'])) {
foreach ($config['ca'] as $ca) {
if (!isset($ca['crt'])) {
log_error(sprintf(gettext("Error: Invalid certificate info for %s"), $ca['descr']));
continue;
}
$cert = base64_decode($ca['crt']);
$x509cert = openssl_x509_parse(openssl_x509_read($cert));
if (!is_array($x509cert) || !isset($x509cert['hash'])) {
log_error(sprintf(gettext("Error: Invalid certificate hash info for %s"), $ca['descr']));
continue;
}
$fname = "{$capath}/{$x509cert['hash']}.0.crt";
if (!@file_put_contents($fname, $cert)) {
log_error(sprintf(gettext("Error: Cannot write IPsec CA file for %s"), $ca['descr']));
continue;
}
unset($cert);
}
}
$pskconf = "";
if (is_array($a_phase1) && count($a_phase1)) {
foreach ($a_phase1 as $ph1ent) {
if (isset($ph1ent['disabled']))
continue;
if (strpos($ph1ent['authentication_method'], 'rsa') || $ph1ent['authentication_method'] == 'eap-tls') {
$certline = '';
$ikeid = $ph1ent['ikeid'];
$cert = lookup_cert($ph1ent['certref']);
if (!$cert) {
log_error(sprintf(gettext("Error: Invalid phase1 certificate reference for %s"), $ph1ent['name']));
continue;
}
@chmod($certpath, 0600);
$ph1keyfile = "{$keypath}/cert-{$ikeid}.key";
if (!file_put_contents($ph1keyfile, base64_decode($cert['prv']))) {
log_error(sprintf(gettext("Error: Cannot write phase1 key file for %s"), $ph1ent['name']));
continue;
}
@chmod($ph1keyfile, 0600);
$ph1certfile = "{$certpath}/cert-{$ikeid}.crt";
if (!file_put_contents($ph1certfile, base64_decode($cert['crt']))) {
log_error(sprintf(gettext("Error: Cannot write phase1 certificate file for %s"), $ph1ent['name']));
@unlink($ph1keyfile);
continue;
}
@chmod($ph1certfile, 0600);
/* XXX" Traffic selectors? */
$pskconf .= " : RSA {$ph1keyfile}\n";
} else {
list ($myid_type, $myid_data) = ipsec_find_id($ph1ent, "local");
list ($peerid_type, $peerid_data) = ipsec_find_id($ph1ent, "peer", $rgmap);
if (empty($peerid_data))
continue;
$myid = isset($ph1ent['mobile']) ? trim($myid_data) . " " : "";
$peerid = ($peerid_data != "allusers") ? trim($peerid_data) : "";
if (!empty($ph1ent['pre-shared-key']))
$pskconf .= $myid . $peerid . " : PSK \"" . trim($ph1ent['pre-shared-key']) . "\"\n";
}
}
}
/* Add user PSKs */
if (is_array($config['system']) && is_array($config['system']['user'])) {
foreach ($config['system']['user'] as $user) {
if (!empty($user['ipsecpsk'])) {
$pskconf .= "{$user['name']} : PSK \"{$user['ipsecpsk']}\"\n";
}
}
unset($user);
}
/* add PSKs for mobile clients */
if (is_array($ipseccfg['mobilekey'])) {
foreach ($ipseccfg['mobilekey'] as $key) {
if ($key['ident'] == "allusers")
$key['ident'] = '';
$pskconf .= "{$key['ident']} : PSK \"{$key['pre-shared-key']}\"\n";
}
unset($key);
}
@file_put_contents("{$g['varetc_path']}/ipsec/ipsec.secrets", $pskconf);
chmod("{$g['varetc_path']}/ipsec/ipsec.secrets", 0600);
unset($pskconf);
$natfilterrules = false;
/* begin ipsec.conf */
$ipsecconf = "";
if (is_array($a_phase1) && count($a_phase1)) {
$ipsecconf .= "# This file is automatically generated. Do not edit\n";
$ipsecconf .= "config setup\n\tuniqueids = yes\n";
$ipsecconf .= "\tcharondebug=\"" . vpn_ipsec_configure_loglevels(true) . "\"\n";
foreach ($a_phase1 as $ph1ent) {
if (isset($ph1ent['disabled']))
continue;
if ($ph1ent['mode'] == "aggressive")
$aggressive = "yes";
else
$aggressive = "no";
$ep = ipsec_get_phase1_src($ph1ent);
if (!$ep)
continue;
$ikeid = $ph1ent['ikeid'];
$keyexchange = "ikev1";
$passive = "route";
if (!empty($ph1ent['iketype']) && $ph1ent['iketype'] != "ikev1") {
$keyexchange = "ikev2";
//$passive = "start";
} else
$passive = "route";
if (isset($ph1ent['mobile'])) {
$right_spec = "%any";
$passive = 'add';
} else
$right_spec = $ph1ent['remote-gateway'];
list ($myid_type, $myid_data) = ipsec_find_id($ph1ent, "local");
list ($peerid_type, $peerid_data) = ipsec_find_id($ph1ent, "peer", $rgmap);
/* Only specify peer ID if we are not dealing with a mobile PSK-only tunnel */
$peerid_spec = '';
if (!isset($ph1ent['mobile']))
$peerid_spec = $peerid_data;
if (is_array($ph1ent['encryption-algorithm']) && !empty($ph1ent['encryption-algorithm']['name']) && !empty($ph1ent['hash-algorithm'])) {
$ealgosp1 = '';
$ealg_id = $ph1ent['encryption-algorithm']['name'];
$ealg_kl = $ph1ent['encryption-algorithm']['keylen'];
if ($ealg_kl)
$ealgosp1 = "ike = {$ealg_id}{$ealg_kl}-{$ph1ent['hash-algorithm']}";
else
$ealgosp1 = "ike = {$ealg_id}-{$ph1ent['hash-algorithm']}";
$modp = vpn_ipsec_convert_to_modp($ph1ent['dhgroup']);
if (!empty($modp))
$ealgosp1 .= "-{$modp}";
$ealgosp1 .= "!";
}
if ($ph1ent['dpd_delay'] && $ph1ent['dpd_maxfail']) {
if ($passive == "route")
$dpdline = "dpdaction = restart";
else
$dpdline = "dpdaction = clear";
$dpdline .= "\n\tdpddelay = {$ph1ent['dpd_delay']}s";
$dpdtimeout = $ph1ent['dpd_delay'] * ($ph1ent['dpd_maxfail'] + 1);
$dpdline .= "\n\tdpdtimeout = {$dpdtimeout}s";
} else
$dpdline = "dpdaction = none";
$ikelifeline = '';
if ($ph1ent['lifetime'])
$ikelifeline = "ikelifetime = {$ph1ent['lifetime']}s";
$rightsourceip = NULL;
if (!empty($a_client['pool_address']))
$rightsourceip = "\trightsourceip = {$a_client['pool_address']}/{$a_client['pool_netbits']}\n";
$authentication = "";
switch ($ph1ent['authentication_method']) {
case 'eap-tls':
$authentication = "leftauth=eap-tls\n\trightauth=eap-tls";
if (!empty($ph1ent['certref']))
$authentication .= "\n\tleftcert={$certpath}/cert-{$ph1ent['ikeid']}.crt";
break;
case 'xauth_rsa_server':
$authentication = "leftauth = pubkey\n\trightauth = pubkey";
$authentication .= "\n\trightauth2 = xauth-generic";
break;
case 'xauth_psk_server':
$authentication = "leftauth = psk\n\trightauth = psk";
$authentication .= "\n\trightauth2 = xauth-generic";
break;
case 'pre_shared_key':
$authentication = "leftauth = psk\n\trightauth = psk";
break;
case 'rsasig':
$authentication = "leftauth = pubkey\n\trightauth = pubkey";
break;
case 'hybrid_rsa_server':
$authentication = "leftauth = xauth-generic\n\trightauth = pubkey";
$authentication .= "\n\trightauth2 = xauth";
break;
}
$left_spec = $ep;
if (isset($ph1ent['reauth_enable']))
$reauth = "reauth = no";
else
$reauth = "reauth = yes";
if (isset($ph1ent['rekey_enable']))
$rekey = "rekey = no";
else
$rekey = "rekey = yes";
if ($ph1ent['nat_traversal'] == 'off')
$forceencaps = 'forceencaps = no';
else if ($ph1ent['nat_traversal'] == 'force')
$forceencaps = 'forceencaps = yes';
else
$forceencaps = 'forceencaps = no';
$ipseclifetime = 0;
$rightsubnet_spec = array();
$leftsubnet_spec = array();
$ealgoAHsp2arr = array();
$ealgoESPsp2arr = array();
if (is_array($a_phase2) && count($a_phase2)) {
foreach ($a_phase2 as $ph2ent) {
if ($ikeid != $ph2ent['ikeid'])
continue;
if (isset($ph2ent['disabled']))
continue;
if (isset($ph2ent['mobile']) && !isset($a_client['enable']))
continue;
if (($ph2ent['mode'] == 'tunnel') or ($ph2ent['mode'] == 'tunnel6')) {
$tunneltype = "type = tunnel";
$localid_type = $ph2ent['localid']['type'];
$leftsubnet_data = ipsec_idinfo_to_cidr($ph2ent['localid'], false, $ph2ent['mode']);
/* Do not print localid in some cases, such as a pure-psk or psk/xauth single phase2 mobile tunnel */
if (($localid_type == "none" || $localid_type == "mobile")
&& isset($ph1ent['mobile']) && (ipsec_get_number_of_phase2($ikeid)==1)) {
$left_spec = '%any';
} else {
if ($localid_type != "address") {
$localid_type = "subnet";
}
// Don't let an empty subnet into config, it can cause parse errors. Ticket #2201.
if (!is_ipaddr($leftsubnet_data) && !is_subnet($leftsubnet_data) && ($leftsubnet_data != "0.0.0.0/0")) {
log_error("Invalid IPsec Phase 2 \"{$ph2ent['descr']}\" - {$ph2ent['localid']['type']} has no subnet.");
continue;
}
if (!empty($ph2ent['natlocalid'])) {
$natleftsubnet_data = ipsec_idinfo_to_cidr($ph2ent['natlocalid'], false, $ph2ent['mode']);
if ($ph2ent['natlocalid']['type'] != "address") {
if (is_subnet($natleftsubnet_data))
$leftsubnet_data = "{$natleftsubnet_data}|{$leftsubnet_data}";
} else {
if (is_ipaddr($natleftsubnet_data))
$leftsubnet_data = "{$natleftsubnet_data}|{$leftsubnet_data}";
}
$natfilterrules = true;
}
}
if (empty($leftsubnet_spec[$leftsubnet_data]))
$leftsubnet_spec[$leftsubnet_data] = $leftsubnet_data;
if (!isset($ph2ent['mobile'])) {
$tmpsubnet = ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']);
if (empty($rightsubnet_spec[$tmpsubnet]))
$rightsubnet_spec[$tmpsubnet] = $tmpsubnet;
} else if (!empty($a_client['pool_address'])) {
if (empty($rightsubnet_spec["{$a_client['pool_address']}/{$a_client['pool_netbits']}"]))
$rightsubnet_spec["{$a_client['pool_address']}/{$a_client['pool_netbits']}"] = "{$a_client['pool_address']}/{$a_client['pool_netbits']}";
}
} else {
$tunneltype = "type = transport";
if ((($ph1ent['authentication_method'] == "xauth_psk_server") ||
($ph1ent['authentication_method'] == "pre_shared_key")) && isset($ph1ent['mobile'])) {
$left_spec = "%any";
} else {
$tmpsubnet = ipsec_get_phase1_src($ph1ent);
if ($leftsubnet_spec[$tmpsubnet])
$leftsubnet_spec[$tmpsubnet] = $tmpsubnet;
}
if (!isset($ph2ent['mobile'])) {
if (empty($rightsubnet_spec[$right_spec]))
$rightsubnet_spec[$right_spec] = $right_spec;
}
}
if (isset($a_client['pfs_group']))
$ph2ent['pfsgroup'] = $a_client['pfs_group'];
if ($ph2ent['protocol'] == 'esp') {
if (is_array($ph2ent['encryption-algorithm-option'])) {
foreach ($ph2ent['encryption-algorithm-option'] as $ealg) {
$ealg_id = $ealg['name'];
$ealg_kl = $ealg['keylen'];
if (!empty($ealg_kl) && $ealg_kl == "auto") {
if (empty($p2_ealgos) || !is_array($p2_ealgos))
require("ipsec.inc");
$key_hi = $p2_ealgos[$ealg_id]['keysel']['hi'];
$key_lo = $p2_ealgos[$ealg_id]['keysel']['lo'];
$key_step = $p2_ealgos[$ealg_id]['keysel']['step'];
/* XXX: in some cases where include ordering is suspect these variables
* are somehow 0 and we enter this loop forever and timeout after 900
* seconds wrecking bootup */
if ($key_hi != 0 and $key_lo !=0 and $key_step !=0) {
for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step) {
if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) {
foreach ($ph2ent['hash-algorithm-option'] as $halgo) {
$halgo = str_replace('hmac_', '', $halgo);
$tmpealgo = "{$ealg_id}{$keylen}-{$halgo}";
$modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']);
if (!empty($modp))
$tmpealgo .= "-{$modp}";
$ealgoESPsp2arr[] = $tmpealgo;
}
} else {
$tmpealgo = "{$ealg_id}{$keylen}";
$modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']);
if (!empty($modp))
$tmpealgo .= "-{$modp}";
$ealgoESPsp2arr[] = $tmpealgo;
}
}
}
} else {
if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) {
foreach ($ph2ent['hash-algorithm-option'] as $halgo) {
$halgo = str_replace('hmac_', '', $halgo);
$tmpealgo = "{$ealg_id}{$ealg_kl}-{$halgo}";
$modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']);
if (!empty($modp))
$tmpealgo .= "-{$modp}";
$ealgoESPsp2arr[] = $tmpealgo;
}
} else {
$tmpealgo = "{$ealg_id}{$ealg_kl}";
$modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']);
if (!empty($modp))
$tmpealgo .= "-{$modp}";
$ealgoESPsp2arr[] = $tmpealgo;
}
}
}
}
} else if ($ph2ent['protocol'] == 'ah') {
if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) {
$modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']);
foreach ($ph2ent['hash-algorithm-option'] as $tmpAHalgo) {
$tmpAHalgo = str_replace('hmac_', '', $tmpAHalgo);
if (!empty($modp))
$tmpAHalgo = "-{$modp}";
$ealgoAHsp2arr[] = $tmpAHalgo;
}
}
}
if (!empty($ph2ent['lifetime'])) {
if ($ipseclifetime == 0 || intval($ipseclifetime) > intval($ph2ent['lifetime']))
$ipseclifetime = intval($ph2ent['lifetime']);
}
}
}
$ipsecconf .=<<<EOD
conn con{$ph1ent['ikeid']}
aggressive = {$aggressive}
fragmentation = yes
keyexchange = {$keyexchange}
{$reauth}
{$forceencaps}
{$rekey}
reqid = {$ikeid}
installpolicy = yes
{$tunneltype}
{$dpdline}
auto = {$passive}
left = {$left_spec}
right = {$right_spec}
leftid = {$myid_data}
EOD;
if (!empty($ikelifeline))
$ipsecconf .= "\t{$ikelifeline}\n";
if ($ipseclifetime > 0)
$ipsecconf .= "\tlifetime = {$ipseclifetime}s\n";
if (!empty($rightsourceip))
$ipsecconf .= "{$rightsourceip}";
if (!empty($rightsubnet_spec))
$ipsecconf .= "\trightsubnet = " . join(",", $rightsubnet_spec) . "\n";
if (!empty($leftsubnet_spec))
$ipsecconf .= "\tleftsubnet = " . join(",", $leftsubnet_spec) . "\n";
if (!empty($ealgosp1))
$ipsecconf .= "\t{$ealgosp1}\n";
if (!empty($ealgoAHsp2arr))
$ipsecconf .= "\tah = " . join(',', $ealgoAHsp2arr) . "!\n";
if (!empty($ealgoESPsp2arr))
$ipsecconf .= "\tesp = " . join(',', $ealgoESPsp2arr) . "!\n";
if (!empty($authentication))
$ipsecconf .= "\t{$authentication}\n";
if (!empty($peerid_spec))
$ipsecconf .= "\trightid = {$peerid_spec}\n";
}
}
}
@file_put_contents("{$g['varetc_path']}/ipsec/ipsec.conf", $ipsecconf);
unset($ipsecconf);
/* end ipsec.conf */
/* mange process */
if (isvalidpid("{$g['varrun_path']}/charon.pid")) {
/* Read secrets */
mwexec("/usr/local/sbin/ipsec rereadall", false);
/* Update configuration changes */
mwexec("/usr/local/sbin/ipsec reload", false);
} else {
mwexec("/usr/local/sbin/ipsec start", false);
}
if ($natfilterrules == true)
filter_configure();
/* start filterdns, if necessary */
if (count($filterdns_list) > 0) {
$interval = 60;
if (!empty($ipseccfg['dns-interval']) && is_numeric($ipseccfg['dns-interval']))
$interval = $ipseccfg['dns-interval'];
$hostnames = "";
array_unique($filterdns_list);
foreach ($filterdns_list as $hostname)
$hostnames .= "cmd {$hostname} '/usr/local/sbin/pfSctl -c \"service reload ipsecdns\"'\n";
file_put_contents("{$g['varetc_path']}/ipsec/filterdns-ipsec.hosts", $hostnames);
unset($hostnames);
if (isvalidpid("{$g['varrun_path']}/filterdns-ipsec.pid"))
sigkillbypid("{$g['varrun_path']}/filterdns-ipsec.pid", "HUP");
else {
mwexec("/usr/local/sbin/filterdns -p {$g['varrun_path']}/filterdns-ipsec.pid -i {$interval} -c {$g['varetc_path']}/ipsec/filterdns-ipsec.hosts -d 1");
}
} else {
killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
@unlink("{$g['varrun_path']}/filterdns-ipsec.pid");
}
if ($g['booting'])
echo "done\n";
return count($filterdns_list);
}
/*
* Forcefully restart IPsec
* This is required for when dynamic interfaces reload
* For all other occasions the normal vpn_ipsec_configure()
* will gracefully reload the settings without restarting
*/
function vpn_ipsec_force_reload($interface = "") {
global $g, $config;
$ipseccfg = $config['ipsec'];
if (!empty($interface) && is_array($ipseccfg['phase1'])) {
$found = false;
foreach ($ipseccfg['phase1'] as $ipsec) {
if (!isset($ipsec['disabled']) && ($ipsec['interface'] == $interface)) {
$found = true;
break;
}
}
if (!$found) {
log_error(sprintf(gettext("Ignoring IPsec reload since there are no tunnels on interface %s"), $interface));
return;
}
}
/* if ipsec is enabled, start up again */
if (isset($ipseccfg['enable'])) {
log_error(gettext("Forcefully reloading IPsec"));
vpn_ipsec_configure();
}
}
/* master setup for vpn (mpd) */
function vpn_setup() {
global $g;
if ($g['platform'] == 'jail')
return;
/* start pptpd */
vpn_pptpd_configure();
/* start pppoe server */
vpn_pppoes_configure();
/* setup l2tp */
vpn_l2tp_configure();
}
function vpn_netgraph_support() {
$iflist = get_configured_interface_list();
foreach ($iflist as $iface) {
$realif = get_real_interface($iface);
/* Get support for netgraph(4) from the nic */
$ifinfo = pfSense_get_interface_addresses($realif);
if (!empty($ifinfo) && in_array($ifinfo['iftype'], array("ether", "vlan", "bridge")))
pfSense_ngctl_attach(".", $realif);
}
}
function vpn_pptpd_configure() {
global $config, $g;
$syscfg = $config['system'];
$pptpdcfg = $config['pptpd'];
if ($g['booting']) {
if (!$pptpdcfg['mode'] || ($pptpdcfg['mode'] == "off"))
return 0;
echo gettext("Configuring PPTP VPN service... ");
} else {
/* kill mpd */
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
/* wait for process to die */
sleep(3);
if (is_process_running("mpd -b")) {
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
log_error(gettext("Could not kill mpd within 3 seconds. Trying again."));
}
/* remove mpd.conf, if it exists */
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.conf");
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.links");
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.secret");
}
if (empty($pptpdcfg['n_pptp_units'])) {
log_error("Something wrong in the PPTPd configuration. Preventing starting the daemon because issues would arise.");
return;
}
/* make sure pptp-vpn directory exists */
if (!file_exists("{$g['varetc_path']}/pptp-vpn"))
mkdir("{$g['varetc_path']}/pptp-vpn");
switch ($pptpdcfg['mode']) {
case 'server' :
/* write mpd.conf */
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.conf", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.conf in vpn_pptpd_configure().") . "\n");
return 1;
}
$mpdconf = <<<EOD
pptps:
EOD;
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
$mpdconf .= " load pt{$i}\n";
}
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
$clientip = long2ip32(ip2long($pptpdcfg['remoteip']) + $i);
$mpdconf .= <<<EOD
pt{$i}:
new -i pptpd{$i} pt{$i} pt{$i}
set ipcp ranges {$pptpdcfg['localip']}/32 {$clientip}/32
load pts
EOD;
}
$mpdconf .=<<<EOD
pts:
set iface disable on-demand
set iface enable proxy-arp
set iface enable tcpmssfix
set iface idle 1800
set iface up-script /usr/local/sbin/vpn-linkup
set iface down-script /usr/local/sbin/vpn-linkdown
set bundle enable multilink
set bundle enable crypt-reqd
set link yes acfcomp protocomp
set link no pap chap
set link enable chap-msv2
set link mtu 1460
set link keep-alive 10 60
set ipcp yes vjcomp
set bundle enable compression
set ccp yes mppc
set ccp yes mpp-e128
set ccp yes mpp-stateless
EOD;
if (!isset ($pptpdcfg['req128'])) {
$mpdconf .=<<<EOD
set ccp yes mpp-e40
set ccp yes mpp-e56
EOD;
}
if (isset($pptpdcfg["wins"]) && $pptpdcfg['wins'] != "")
$mpdconf .= " set ipcp nbns {$pptpdcfg['wins']}\n";
if (!empty($pptpdcfg['dns1'])) {
$mpdconf .= " set ipcp dns " . $pptpdcfg['dns1'];
if (!empty($pptpdcfg['dns2']))
$mpdconf .= " " . $pptpdcfg['dns2'];
$mpdconf .= "\n";
} elseif (isset ($config['dnsmasq']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (isset($config['unbound']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
}
if (isset ($pptpdcfg['radius']['server']['enable'])) {
$authport = (isset($pptpdcfg['radius']['server']['port']) && strlen($pptpdcfg['radius']['server']['port']) > 1) ? $pptpdcfg['radius']['server']['port'] : 1812;
$acctport = $authport + 1;
$mpdconf .=<<<EOD
set radius server {$pptpdcfg['radius']['server']['ip']} "{$pptpdcfg['radius']['server']['secret']}" {$authport} {$acctport}
EOD;
if (isset ($pptpdcfg['radius']['server2']['enable'])) {
$authport = (isset($pptpdcfg['radius']['server2']['port']) && strlen($pptpdcfg['radius']['server2']['port']) > 1) ? $pptpdcfg['radius']['server2']['port'] : 1812;
$acctport = $authport + 1;
$mpdconf .=<<<EOD
set radius server {$pptpdcfg['radius']['server2']['ip']} "{$pptpdcfg['radius']['server2']['secret2']}" {$authport} {$acctport}
EOD;
}
$mpdconf .=<<<EOD
set radius retries 3
set radius timeout 10
set auth enable radius-auth
EOD;
if (isset ($pptpdcfg['radius']['accounting'])) {
$mpdconf .=<<<EOD
set auth enable radius-acct
set radius acct-update 300
EOD;
}
}
fwrite($fd, $mpdconf);
fclose($fd);
unset($mpdconf);
/* write mpd.links */
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.links", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.links in vpn_pptpd_configure().") . "\n");
return 1;
}
$mpdlinks = "";
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
$mpdlinks .=<<<EOD
pt{$i}:
set link type pptp
set pptp enable incoming
set pptp disable originate
set pptp disable windowing
EOD;
}
fwrite($fd, $mpdlinks);
fclose($fd);
unset($mpdlinks);
/* write mpd.secret */
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.secret", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.secret in vpn_pptpd_configure().") . "\n");
return 1;
}
$mpdsecret = "";
if (is_array($pptpdcfg['user'])) {
foreach ($pptpdcfg['user'] as $user) {
$pass = str_replace('\\', '\\\\', $user['password']);
$pass = str_replace('"', '\"', $pass);
$mpdsecret .= "{$user['name']} \"{$pass}\" {$user['ip']}\n";
}
}
fwrite($fd, $mpdsecret);
fclose($fd);
unset($mpdsecret);
chmod("{$g['varetc_path']}/pptp-vpn/mpd.secret", 0600);
vpn_netgraph_support();
/* fire up mpd */
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pptp-vpn -p {$g['varrun_path']}/pptp-vpn.pid -s pptps pptps");
break;
case 'redir' :
break;
}
if ($g['booting'])
echo "done\n";
return 0;
}
function vpn_pppoes_configure() {
global $config;
if (is_array($config['pppoes']['pppoe'])) {
foreach ($config['pppoes']['pppoe'] as $pppoe)
vpn_pppoe_configure($pppoe);
}
}
function vpn_pppoe_configure(&$pppoecfg) {
global $config, $g;
$syscfg = $config['system'];
/* create directory if it does not exist */
if (!is_dir("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn"))
mkdir("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn");
if ($g['booting']) {
if (!$pppoecfg['mode'] || ($pppoecfg['mode'] == "off"))
return 0;
echo gettext("Configuring PPPoE VPN service... ");
} else {
/* kill mpd */
killbypid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid");
/* wait for process to die */
sleep(2);
}
switch ($pppoecfg['mode']) {
case 'server' :
$pppoe_interface = get_real_interface($pppoecfg['interface']);
if ($pppoecfg['paporchap'] == "chap")
$paporchap = "set link enable chap";
else
$paporchap = "set link enable pap";
/* write mpd.conf */
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.conf", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.conf in vpn_pppoe_configure().") . "\n");
return 1;
}
$mpdconf = "\n\n";
$mpdconf .= "poes:\n";
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
$mpdconf .= " load poes{$pppoecfg['pppoeid']}{$i}\n";
}
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
$clientip = long2ip32(ip2long($pppoecfg['remoteip']) + $i);
if (isset($pppoecfg['radius']['radiusissueips']) && isset($pppoecfg['radius']['server']['enable'])) {
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 0.0.0.0/0";
} else {
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 {$clientip}/32";
}
$mpdconf .=<<<EOD
poes{$pppoecfg['pppoeid']}{$i}:
new -i poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i}
{$isssue_ip_type}
load pppoe_standard
EOD;
}
$mpdconf .=<<<EOD
pppoe_standard:
set bundle no multilink
set bundle enable compression
set auth max-logins 1
set iface up-script /usr/local/sbin/vpn-linkup
set iface down-script /usr/local/sbin/vpn-linkdown
set iface idle 0
set iface disable on-demand
set iface disable proxy-arp
set iface enable tcpmssfix
set iface mtu 1500
set link no pap chap
{$paporchap}
set link keep-alive 60 180
set ipcp yes vjcomp
set ipcp no vjcomp
set link max-redial -1
set link mtu 1492
set link mru 1492
set ccp yes mpp-e40
set ccp yes mpp-e128
set ccp yes mpp-stateless
set link latency 1
#set ipcp dns 10.10.1.3
#set bundle accept encryption
EOD;
if (!empty($pppoecfg['dns1'])) {
$mpdconf .= " set ipcp dns " . $pppoecfg['dns1'];
if (!empty($pppoecfg['dns2']))
$mpdconf .= " " . $pppoecfg['dns2'];
$mpdconf .= "\n";
} elseif (isset ($config['dnsmasq']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (isset ($config['unbound']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
}
if (isset ($pppoecfg['radius']['server']['enable'])) {
$radiusport = "";
$radiusacctport = "";
if (isset($pppoecfg['radius']['server']['port']))
$radiusport = $pppoecfg['radius']['server']['port'];
if (isset($pppoecfg['radius']['server']['acctport']))
$radiusacctport = $pppoecfg['radius']['server']['acctport'];
$mpdconf .=<<<EOD
set radius server {$pppoecfg['radius']['server']['ip']} "{$pppoecfg['radius']['server']['secret']}" {$radiusport} {$radiusacctport}
set radius retries 3
set radius timeout 10
set auth enable radius-auth
EOD;
if (isset ($pppoecfg['radius']['accounting'])) {
$mpdconf .=<<<EOD
set auth enable radius-acct
EOD;
}
}
fwrite($fd, $mpdconf);
fclose($fd);
unset($mpdconf);
/* write mpd.links */
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.links", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.links in vpn_pppoe_configure().") . "\n");
return 1;
}
$mpdlinks = "";
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
$mpdlinks .=<<<EOD
poes{$pppoecfg['pppoeid']}{$i}:
set phys type pppoe
set pppoe iface {$pppoe_interface}
set pppoe service "*"
set pppoe disable originate
set pppoe enable incoming
EOD;
}
fwrite($fd, $mpdlinks);
fclose($fd);
unset($mpdlinks);
if ($pppoecfg['username']) {
/* write mpd.secret */
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.secret in vpn_pppoe_configure().") . "\n");
return 1;
}
$mpdsecret = "\n\n";
if (!empty($pppoecfg['username'])) {
$item = explode(" ", $pppoecfg['username']);
foreach($item as $userdata) {
$data = explode(":", $userdata);
$mpdsecret .= "{$data[0]} \"" . base64_decode($data[1]) . "\" {$data[2]}\n";
}
}
fwrite($fd, $mpdsecret);
fclose($fd);
unset($mpdsecret);
chmod("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", 0600);
}
/* Check if previous instance is still up */
while (file_exists("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid") && isvalidpid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid"))
killbypid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid");
/* Get support for netgraph(4) from the nic */
pfSense_ngctl_attach(".", $pppoe_interface);
/* fire up mpd */
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn -p {$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid -s poes poes");
break;
}
if ($g['booting'])
echo gettext("done") . "\n";
return 0;
}
function vpn_l2tp_configure() {
global $config, $g;
$syscfg = $config['system'];
$l2tpcfg = $config['l2tp'];
/* create directory if it does not exist */
if (!is_dir("{$g['varetc_path']}/l2tp-vpn"))
mkdir("{$g['varetc_path']}/l2tp-vpn");
if ($g['booting']) {
if (!$l2tpcfg['mode'] || ($l2tpcfg['mode'] == "off"))
return 0;
echo gettext("Configuring l2tp VPN service... ");
} else {
/* kill mpd */
killbypid("{$g['varrun_path']}/l2tp-vpn.pid");
/* wait for process to die */
sleep(8);
}
/* make sure l2tp-vpn directory exists */
if (!file_exists("{$g['varetc_path']}/l2tp-vpn"))
mkdir("{$g['varetc_path']}/l2tp-vpn");
switch ($l2tpcfg['mode']) {
case 'server' :
if ($l2tpcfg['paporchap'] == "chap")
$paporchap = "set link enable chap";
else
$paporchap = "set link enable pap";
/* write mpd.conf */
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.conf", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.conf in vpn_l2tp_configure().") . "\n");
return 1;
}
$mpdconf = "\n\n";
$mpdconf .=<<<EOD
l2tps:
EOD;
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
$mpdconf .= " load l2tp{$i}\n";
}
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
$clientip = long2ip32(ip2long($l2tpcfg['remoteip']) + $i);
if (isset ($l2tpcfg['radius']['radiusissueips']) && isset ($l2tpcfg['radius']['enable'])) {
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 0.0.0.0/0";
} else {
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 {$clientip}/32";
}
$mpdconf .=<<<EOD
l2tp{$i}:
new -i l2tp{$i} l2tp{$i} l2tp{$i}
{$isssue_ip_type}
load l2tp_standard
EOD;
}
$mpdconf .=<<<EOD
l2tp_standard:
set bundle disable multilink
set bundle enable compression
set bundle yes crypt-reqd
set ipcp yes vjcomp
# set ipcp ranges 131.188.69.161/32 131.188.69.170/28
set ccp yes mppc
set iface disable on-demand
set iface enable proxy-arp
set iface up-script /usr/local/sbin/vpn-linkup
set iface down-script /usr/local/sbin/vpn-linkdown
set link yes acfcomp protocomp
set link no pap chap
set link enable chap
set link keep-alive 10 180
EOD;
if (is_ipaddr($l2tpcfg['wins'])) {
$mpdconf .= " set ipcp nbns {$l2tpcfg['wins']}\n";
}
if (is_ipaddr($l2tpcfg['dns1'])) {
$mpdconf .= " set ipcp dns " . $l2tpcfg['dns1'];
if (is_ipaddr($l2tpcfg['dns2']))
$mpdconf .= " " . $l2tpcfg['dns2'];
$mpdconf .= "\n";
} elseif (isset ($config['dnsmasq']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (isset ($config['unbound']['enable'])) {
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
}
if (isset ($l2tpcfg['radius']['enable'])) {
$mpdconf .=<<<EOD
set radius server {$l2tpcfg['radius']['server']} "{$l2tpcfg['radius']['secret']}"
set radius retries 3
set radius timeout 10
set auth enable radius-auth
EOD;
if (isset ($l2tpcfg['radius']['accounting'])) {
$mpdconf .=<<<EOD
set auth enable radius-acct
EOD;
}
}
fwrite($fd, $mpdconf);
fclose($fd);
unset($mpdconf);
/* write mpd.links */
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.links", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.links in vpn_l2tp_configure().") . "\n");
return 1;
}
$mpdlinks = "";
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
$mpdlinks .=<<<EOD
l2tp{$i}:
set link type l2tp
set l2tp enable incoming
set l2tp disable originate
EOD;
if (!empty($l2tpcfg['secret']))
$mpdlinks .= "set l2tp secret {$l2tpcfg['secret']}\n";
}
fwrite($fd, $mpdlinks);
fclose($fd);
unset($mpdlinks);
/* write mpd.secret */
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.secret", "w");
if (!$fd) {
printf(gettext("Error: cannot open mpd.secret in vpn_l2tp_configure().") . "\n");
return 1;
}
$mpdsecret = "\n\n";
if (is_array($l2tpcfg['user'])) {
foreach ($l2tpcfg['user'] as $user)
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
}
fwrite($fd, $mpdsecret);
fclose($fd);
unset($mpdsecret);
chmod("{$g['varetc_path']}/l2tp-vpn/mpd.secret", 0600);
vpn_netgraph_support();
/* fire up mpd */
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/l2tp-vpn -p {$g['varrun_path']}/l2tp-vpn.pid -s l2tps l2tps");
break;
case 'redir' :
break;
}
if ($g['booting'])
echo "done\n";
return 0;
}
function vpn_ipsec_configure_preferoldsa() {
global $config;
if(isset($config['ipsec']['preferoldsa']))
set_single_sysctl("net.key.preferred_oldsa", "-30");
else
set_single_sysctl("net.key.preferred_oldsa", "0");
}
?>
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