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|
<?php
/*
vpn.inc
Copyright (C) 2004 Scott Ullrich
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.
*/
/* include all configuration functions */
require_once("functions.inc");
function vpn_ipsec_failover_configure() {
global $config, $g;
$sasyncd_text = "";
if($config['installedpackages']['sasyncd']['config'] <> "")
foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
$enabled = isset($sasyncd['enable']);
if(!$enabled)
return;
if($sasyncd['peerip'] <> "")
$sasyncd_text .= "peer {$sasyncd['peerip']}\n";
if($sasyncd['interface'])
$sasyncd_text .= "carp interface {$sasyncd['interface']}\n";
if($sasyncd['sharedkey'] <> "")
$sasyncd_text .= "sharedkey {$sasyncd['sharedkey']}\n";
if($sasyncd['mode'] <> "")
$sasyncd_text .= "mode {$sasyncd['mode']}\n";
if($sasyncd['listenon'] <> "")
$sasyncd_text .= "listen on {$sasyncd['listenon']}\n";
if($sasyncd['flushmodesync'] <> "")
$sasyncd_text .= "flushmode sync {$sasyncd['flushmodesync']}\n";
}
$fd = fopen("{$g['varetc_path']}/sasyncd.conf", "w");
fwrite($fd, $sasyncd_text);
fclose($fd);
chmod("{$g['varetc_path']}/sasyncd.conf", 0600);
/* launch sasyncd, oh wise one */
mwexec("/usr/local/sbin/sasyncd -d -v -v -v | /usr/bin/logger -t pf -p local0.info &");
}
function find_last_gif_device() {
$last_gif_found = -1;
if (!($fp = popen("/sbin/ifconfig -l", "r"))) return -1;
$ifconfig_data = fread($fp, 4096);
pclose($fp);
$ifconfig_array = split(" ", $ifconfig_data);
foreach ($ifconfig_array as $ifconfig) {
ereg("gif(.)", $ifconfig, $regs);
if($regs[0]) {
if($regs[0] > $last_gif_found)
$last_gif_found = $regs[1];
}
}
return $last_gif_found;
}
function vpn_ipsec_configure($ipchg = false) {
global $config, $g;
if(isset($config['ipsec']['preferredoldsa'])) {
mwexec("/sbin/sysctl net.key.preferred_oldsa=0");
} else {
mwexec("/sbin/sysctl -w net.key.preferred_oldsa=-30");
}
$number_of_gifs = find_last_gif_device();
for($x=0; $x<$number_of_gifs; $x++) {
mwexec("/sbin/ifconfig gif" . $x . " delete");
}
$curwanip = get_current_wan_address();
if($config['installedpackages']['sasyncd']['config'] <> "")
foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
if($sasyncd['ip'] <> "")
$curwanip = $sasyncd['ip'];
}
$syscfg = $config['system'];
$ipseccfg = $config['ipsec'];
$lancfg = $config['interfaces']['lan'];
$lanip = $lancfg['ipaddr'];
$lansa = gen_subnet($lancfg['ipaddr'], $lancfg['subnet']);
$lansn = $lancfg['subnet'];
if ($g['booting']) {
if (!isset($ipseccfg['enable']))
return 0;
echo "Configuring IPsec VPN... ";
} else {
/* kill racoon */
killbypid("{$g['varrun_path']}/racoon.pid");
/* wait for process to die */
sleep(2);
/* send a SIGKILL to be sure */
sigkillbypid("{$g['varrun_path']}/racoon.pid", "KILL");
}
/* flush SPD and SAD */
mwexec("/usr/sbin/setkey -FP");
mwexec("/usr/sbin/setkey -F");
if (isset($ipseccfg['enable'])) {
/* fastforwarding is not compatible with ipsec tunnels */
system("/sbin/sysctl net.inet.ip.fastforwarding=0 >/dev/null 2>&1");
if (!$curwanip) {
/* IP address not configured yet, exit */
if ($g['booting'])
echo "done\n";
return 0;
}
if ((is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel'])) ||
isset($ipseccfg['mobileclients']['enable'])) {
if (is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel'])) {
/* generate spd.conf */
$fd = fopen("{$g['varetc_path']}/spd.conf", "w");
if (!$fd) {
printf("Error: cannot open spd.conf in vpn_ipsec_configure().\n");
return 1;
}
$spdconf = "";
$spdconf .= "spdadd {$lansa}/{$lansn} {$lanip}/32 any -P in none;\n";
$spdconf .= "spdadd {$lanip}/32 {$lansa}/{$lansn} any -P out none;\n";
foreach ($ipseccfg['tunnel'] as $tunnel) {
if (isset($tunnel['disabled']))
continue;
$ep = vpn_endpoint_determine($tunnel, $curwanip);
if (!$ep)
continue;
vpn_localnet_determine($tunnel['local-subnet'], $sa, $sn);
if(isset($tunnel['creategif'])) {
$number_of_gifs = find_last_gif_device();
$number_of_gifs++;
$curwanip = get_current_wan_address();
if($config['installedpackages']['sasyncd']['config'] <> "")
foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
if($sasyncd['ip'] <> "")
$curwanip = $sasyncd['ip'];
}
mwexec("/sbin/ifconfig gif" . $number_of_gifs . " tunnel" . $curwanip . " " . $tunnel['remote-gateway']);
mwexec("/sbin/ifconfig gif" . $number_of_gifs . " {$lansa}/{$lansn} {$lanip}/32");
}
$spdconf .= "spdadd {$sa}/{$sn} " .
"{$tunnel['remote-subnet']} any -P out ipsec " .
"{$tunnel['p2']['protocol']}/tunnel/{$ep}-" .
"{$tunnel['remote-gateway']}/unique;\n";
$spdconf .= "spdadd {$tunnel['remote-subnet']} " .
"{$sa}/{$sn} any -P in ipsec " .
"{$tunnel['p2']['protocol']}/tunnel/{$tunnel['remote-gateway']}-" .
"{$ep}/unique;\n";
}
fwrite($fd, $spdconf);
fclose($fd);
/* load SPD */
mwexec("/usr/sbin/setkey -c < {$g['varetc_path']}/spd.conf");
}
/* generate racoon.conf */
$fd = fopen("{$g['varetc_path']}/racoon.conf", "w");
if (!$fd) {
printf("Error: cannot open racoon.conf in vpn_ipsec_configure().\n");
return 1;
}
$racoonconf = "";
if($config['installedpackages']['sasyncd']['config'] <> "")
foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
if($sasyncd['ip'] <> "")
$curwanip = $sasyncd['ip'];
$interface_ip = $sasyncd['ip'];
$racoonconf .= <<<EOD
listen {
isakmp {$interface_ip} [500];
}
EOD;
}
$racoonconf = "path pre_shared_key \"{$g['varetc_path']}/psk.txt\";\n\n";
$racoonconf .= "path certificate \"{$g['varetc_path']}\";\n\n";
/* generate CA certificates files */
$cacertnum = 0;
if (is_array($ipseccfg['cacert']) && count($ipseccfg['cacert']))
foreach ($ipseccfg['cacert'] as $cacert) {
++$cacertnum;
if (isset($cacert['cert'])) {
$cert = base64_decode($cacert['cert']);
$x509cert = openssl_x509_parse(openssl_x509_read($cert));
if(is_array($x509cert) && isset($x509cert['hash'])) {
$fd1 = fopen("{$g['varetc_path']}/{$x509cert['hash']}.0", "w");
if (!$fd1) {
printf("Error: cannot open {$x509cert['hash']}.0 in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/{$x509cert['hash']}.0", 0600);
fwrite($fd1, $cert);
fclose($fd1);
}
}
}
$tunnelnumber = 0;
if (is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel']))
foreach ($ipseccfg['tunnel'] as $tunnel) {
++$tunnelnumber;
if (isset($tunnel['disabled']))
continue;
$ep = vpn_endpoint_determine($tunnel, $curwanip);
if (!$ep)
continue;
vpn_localnet_determine($tunnel['local-subnet'], $sa, $sn);
if (isset($tunnel['p1']['myident']['myaddress'])) {
$myidentt = "address";
$myident = $ep;
} else if (isset($tunnel['p1']['myident']['address'])) {
$myidentt = "address";
$myident = $tunnel['p1']['myident']['address'];
} else if (isset($tunnel['p1']['myident']['fqdn'])) {
$myidentt = "fqdn";
$myident = $tunnel['p1']['myident']['fqdn'];
} else if (isset($tunnel['p1']['myident']['ufqdn'])) {
$myidentt = "user_fqdn";
$myident = $tunnel['p1']['myident']['ufqdn'];
}
if (isset($tunnel['p1']['authentication_method'])) {
$authmethod = $tunnel['p1']['authentication_method'];
} else {$authmethod = 'pre_shared_key';}
$certline = '';
if ($authmethod == 'rsasig') {
if ($tunnel['p1']['cert'] && $tunnel['p1']['private-key']) {
$cert = base64_decode($tunnel['p1']['cert']);
$private_key = base64_decode($tunnel['p1']['private-key']);
} else {
/* null certificate/key */
$cert = '';
$private_key = '';
}
if ($tunnel['p1']['peercert'])
$peercert = base64_decode($tunnel['p1']['peercert']);
else
$peercert = '';
$fd1 = fopen("{$g['varetc_path']}/server{$tunnelnumber}-signed.pem", "w");
if (!$fd1) {
printf("Error: cannot open server{$tunnelnumber}-signed.pem in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/server{$tunnelnumber}-signed.pem", 0600);
fwrite($fd1, $cert);
fclose($fd1);
$fd1 = fopen("{$g['varetc_path']}/server{$tunnelnumber}-key.pem", "w");
if (!$fd1) {
printf("Error: cannot open server{$tunnelnumber}-key.pem in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/server{$tunnelnumber}-key.pem", 0600);
fwrite($fd1, $private_key);
fclose($fd1);
$certline = "certificate_type x509 \"server{$tunnelnumber}-signed.pem\" \"server{$tunnelnumber}-key.pem\";";
if ($peercert!=''){
$fd1 = fopen("{$g['varetc_path']}/peer{$tunnelnumber}-signed.pem", "w");
if (!$fd1) {
printf("Error: cannot open server{$tunnelnumber}-signed.pem in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/peer{$tunnelnumber}-signed.pem", 0600);
fwrite($fd1, $peercert);
fclose($fd1);
$certline .= <<<EOD
peers_certfile "peer{$tunnelnumber}-signed.pem";
EOD;
}
}
$racoonconf .= <<<EOD
remote {$tunnel['remote-gateway']} \{
exchange_mode {$tunnel['p1']['mode']};
my_identifier {$myidentt} "{$myident}";
{$certline}
peers_identifier address {$tunnel['remote-gateway']};
initial_contact on;
support_proxy on;
proposal_check obey;
proposal \{
encryption_algorithm {$tunnel['p1']['encryption-algorithm']};
hash_algorithm {$tunnel['p1']['hash-algorithm']};
authentication_method {$authmethod};
dh_group {$tunnel['p1']['dhgroup']};
EOD;
if ($tunnel['p1']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
$racoonconf .= " }\n";
if ($tunnel['p1']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
$racoonconf .= "}\n\n";
$p2ealgos = join(",", $tunnel['p2']['encryption-algorithm-option']);
$p2halgos = join(",", $tunnel['p2']['hash-algorithm-option']);
$racoonconf .= <<<EOD
sainfo address {$sa}/{$sn} any address {$tunnel['remote-subnet']} any \{
encryption_algorithm {$p2ealgos};
authentication_algorithm {$p2halgos};
compression_algorithm deflate;
EOD;
if ($tunnel['p2']['pfsgroup'])
$racoonconf .= " pfs_group {$tunnel['p2']['pfsgroup']};\n";
if ($tunnel['p2']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p2']['lifetime']} secs;\n";
$racoonconf .= "}\n\n";
}
/* mobile clients? */
if (isset($ipseccfg['mobileclients']['enable'])) {
$tunnel = $ipseccfg['mobileclients'];
if (isset($tunnel['p1']['myident']['myaddress'])) {
$myidentt = "address";
$myident = $curwanip;
} else if (isset($tunnel['p1']['myident']['address'])) {
$myidentt = "address";
$myident = $tunnel['p1']['myident']['address'];
} else if (isset($tunnel['p1']['myident']['fqdn'])) {
$myidentt = "fqdn";
$myident = $tunnel['p1']['myident']['fqdn'];
} else if (isset($tunnel['p1']['myident']['ufqdn'])) {
$myidentt = "user_fqdn";
$myident = $tunnel['p1']['myident']['ufqdn'];
}
if (isset($tunnel['p1']['authentication_method'])) {
$authmethod = $tunnel['p1']['authentication_method'];
} else {$authmethod = 'pre_shared_key';}
$certline = '';
if ($authmethod == 'rsasig') {
if ($tunnel['p1']['cert'] && $tunnel['p1']['private-key']) {
$cert = base64_decode($tunnel['p1']['cert']);
$private_key = base64_decode($tunnel['p1']['private-key']);
} else {
/* null certificate/key */
$cert = '';
$private_key = '';
}
if ($tunnel['p1']['peercert'])
$peercert = base64_decode($tunnel['p1']['peercert']);
else
$peercert = '';
$fd1 = fopen("{$g['varetc_path']}/server-mobile{$tunnelnumber}-signed.pem", "w");
if (!$fd1) {
printf("Error: cannot open server-mobile{$tunnelnumber}-signed.pem in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/server-mobile{$tunnelnumber}-signed.pem", 0600);
fwrite($fd1, $cert);
fclose($fd1);
$fd1 = fopen("{$g['varetc_path']}/server-mobile{$tunnelnumber}-key.pem", "w");
if (!$fd1) {
printf("Error: cannot open server-mobile{$tunnelnumber}-key.pem in vpn.\n");
return 1;
}
chmod("{$g['varetc_path']}/server-mobile{$tunnelnumber}-key.pem", 0600);
fwrite($fd1, $private_key);
fclose($fd1);
$certline = "certificate_type x509 \"server-mobile{$tunnelnumber}-signed.pem\" \"server-mobile{$tunnelnumber}-key.pem\";";
}
$racoonconf .= <<<EOD
remote anonymous \{
exchange_mode {$tunnel['p1']['mode']};
my_identifier {$myidentt} "{$myident}";
{$certline}
initial_contact on;
passive on;
generate_policy on;
support_proxy on;
proposal_check obey;
proposal \{
encryption_algorithm {$tunnel['p1']['encryption-algorithm']};
hash_algorithm {$tunnel['p1']['hash-algorithm']};
authentication_method {$authmethod};
dh_group {$tunnel['p1']['dhgroup']};
EOD;
if ($tunnel['p1']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
$racoonconf .= " }\n";
if ($tunnel['p1']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
$racoonconf .= "}\n\n";
$p2ealgos = join(",", $tunnel['p2']['encryption-algorithm-option']);
$p2halgos = join(",", $tunnel['p2']['hash-algorithm-option']);
$racoonconf .= <<<EOD
sainfo anonymous \{
encryption_algorithm {$p2ealgos};
authentication_algorithm {$p2halgos};
compression_algorithm deflate;
EOD;
if ($tunnel['p2']['pfsgroup'])
$racoonconf .= " pfs_group {$tunnel['p2']['pfsgroup']};\n";
if ($tunnel['p2']['lifetime'])
$racoonconf .= " lifetime time {$tunnel['p2']['lifetime']} secs;\n";
$racoonconf .= "}\n\n";
}
fwrite($fd, $racoonconf);
fclose($fd);
/* generate psk.txt */
$fd = fopen("{$g['varetc_path']}/psk.txt", "w");
if (!$fd) {
printf("Error: cannot open psk.txt in vpn_ipsec_configure().\n");
return 1;
}
$pskconf = "";
if (is_array($ipseccfg['tunnel'])) {
foreach ($ipseccfg['tunnel'] as $tunnel) {
if (isset($tunnel['disabled']))
continue;
$pskconf .= "{$tunnel['remote-gateway']} {$tunnel['p1']['pre-shared-key']}\n";
}
}
/* add PSKs for mobile clients */
if (is_array($ipseccfg['mobilekey'])) {
foreach ($ipseccfg['mobilekey'] as $key) {
$pskconf .= "{$key['ident']} {$key['pre-shared-key']}\n";
}
}
fwrite($fd, $pskconf);
fclose($fd);
chmod("{$g['varetc_path']}/psk.txt", 0600);
/* start racoon */
mwexec("/usr/local/sbin/racoon -d -f {$g['varetc_path']}/racoon.conf");
if (is_array($ipseccfg['tunnel'])) {
foreach ($ipseccfg['tunnel'] as $tunnel) {
if (isset($tunnel['auto'])) {
$remotehost = substr($tunnel['remote-subnet'],0,strpos($tunnel['remote-subnet'],"/"));
$srchost = vpn_endpoint_determine($tunnel, $curwanip);
if ($srchost)
mwexec_bg("/sbin/ping -c 1 -S {$srchost} {$remotehost}");
}
}
}
}
}
vpn_ipsec_failover_configure();
if (!$g['booting']) {
/* reload the filter */
filter_configure();
}
if ($g['booting'])
echo "done\n";
return 0;
}
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 "Configuring PPTP VPN service... ";
} else {
/* kill mpd */
killbypid("{$g['varrun_path']}/mpd-vpn.pid");
/* wait for process to die */
sleep(2);
/* remove mpd.conf, if it exists */
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.conf");
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.links");
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.secret");
}
/* make sure mpd-vpn directory exists */
if (!file_exists("{$g['varetc_path']}/mpd-vpn"))
mkdir("{$g['varetc_path']}/mpd-vpn");
switch ($pptpdcfg['mode']) {
case 'server':
/* write mpd.conf */
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.conf", "w");
if (!$fd) {
printf("Error: cannot open mpd.conf in vpn_pptpd_configure().\n");
return 1;
}
$mpdconf = <<<EOD
pptpd:
EOD;
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
$mpdconf .= " load pt{$i}\n";
}
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
$clientip = long2ip(ip2long($pptpdcfg['remoteip']) + $i);
$ngif = "ng" . ($i+1);
$mpdconf .= <<<EOD
pt{$i}:
new -i {$ngif} pt{$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'])) {
$mpdconf .= <<<EOD
set ccp yes mpp-e40
set ccp yes mpp-e56
EOD;
}
if (isset($config['dnsmasq']['enable'])) {
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
if ($syscfg['dnsserver'][0])
$mpdconf .= " " . $syscfg['dnsserver'][0];
$mpdconf .= "\n";
} else if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
}
if (isset($pptpdcfg['radius']['enable'])) {
$mpdconf .= <<<EOD
set radius server {$pptpdcfg['radius']['server']} "{$pptpdcfg['radius']['secret']}"
set radius retries 3
set radius timeout 10
set bundle enable radius-auth
set bundle disable radius-fallback
EOD;
if (isset($pptpdcfg['radius']['accounting'])) {
$mpdconf .= <<<EOD
set bundle enable radius-acct
EOD;
}
}
fwrite($fd, $mpdconf);
fclose($fd);
/* write mpd.links */
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.links", "w");
if (!$fd) {
printf("Error: cannot open mpd.links in vpn_pptpd_configure().\n");
return 1;
}
$mpdlinks = "";
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
$mpdlinks .= <<<EOD
pt{$i}:
set link type pptp
set pptp enable incoming
set pptp disable originate
set pptp disable windowing
set pptp self 127.0.0.1
EOD;
}
fwrite($fd, $mpdlinks);
fclose($fd);
/* write mpd.secret */
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.secret", "w");
if (!$fd) {
printf("Error: cannot open mpd.secret in vpn_pptpd_configure().\n");
return 1;
}
$mpdsecret = "";
if (is_array($pptpdcfg['user'])) {
foreach ($pptpdcfg['user'] as $user)
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
}
fwrite($fd, $mpdsecret);
fclose($fd);
chmod("{$g['varetc_path']}/mpd-vpn/mpd.secret", 0600);
/* fire up mpd */
mwexec("/usr/local/sbin/mpd -b -d {$g['varetc_path']}/mpd-vpn -p {$g['varrun_path']}/mpd-vpn.pid pptpd");
break;
case 'redir':
break;
}
if (!$g['booting']) {
/* reload the filter */
filter_configure();
}
if ($g['booting'])
echo "done\n";
return 0;
}
function vpn_localnet_determine($adr, &$sa, &$sn) {
global $config, $g;
if (isset($adr)) {
if ($adr['network']) {
switch ($adr['network']) {
case 'lan':
$sn = $config['interfaces']['lan']['subnet'];
$sa = gen_subnet($config['interfaces']['lan']['ipaddr'], $sn);
break;
}
} else if ($adr['address']) {
list($sa,$sn) = explode("/", $adr['address']);
if (is_null($sn))
$sn = 32;
}
} else {
$sn = $config['interfaces']['lan']['subnet'];
$sa = gen_subnet($config['interfaces']['lan']['ipaddr'], $sn);
}
}
function vpn_endpoint_determine($tunnel, $curwanip) {
global $g, $config;
if ((!$tunnel['interface']) || ($tunnel['interface'] == "wan")) {
if ($curwanip)
return $curwanip;
else
return null;
} else if ($tunnel['interface'] == "lan") {
return $config['interfaces']['lan']['ipaddr'];
} else {
$oc = $config['interfaces'][$tunnel['interface']];
if (isset($oc['enable']) && $oc['if']) {
return $oc['ipaddr'];
}
}
return null;
}
?>
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