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<?php
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/*
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vpn.inc
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Copyright (C) 2004 Scott Ullrich
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All rights reserved.
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originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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/* include all configuration functions */
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require_once("functions.inc");
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function vpn_ipsec_failover_configure() {
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global $config, $g;
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$sasyncd_text = "";
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if($config['installedpackages']['sasyncd']['config'] <> "")
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foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
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$enabled = isset($sasyncd['enable']);
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if(!$enabled)
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return;
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if($sasyncd['peerip'] <> "")
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$sasyncd_text .= "peer {$sasyncd['peerip']}\n";
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if($sasyncd['interface'])
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$sasyncd_text .= "carp interface {$sasyncd['interface']}\n";
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if($sasyncd['sharedkey'] <> "")
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$sasyncd_text .= "sharedkey {$sasyncd['sharedkey']}\n";
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if($sasyncd['mode'] <> "")
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$sasyncd_text .= "mode {$sasyncd['mode']}\n";
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if($sasyncd['listenon'] <> "")
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$sasyncd_text .= "listen on {$sasyncd['listenon']}\n";
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if($sasyncd['flushmodesync'] <> "")
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$sasyncd_text .= "flushmode sync {$sasyncd['flushmodesync']}\n";
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}
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$fd = fopen("{$g['varetc_path']}/sasyncd.conf", "w");
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fwrite($fd, $sasyncd_text);
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fclose($fd);
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chmod("{$g['varetc_path']}/sasyncd.conf", 0600);
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mwexec("killall sasyncd");
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/* launch sasyncd, oh wise one */
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mwexec_bg("/usr/local/sbin/sasyncd -d -v -v -v");
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}
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function find_last_gif_device() {
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$last_gif_found = -1;
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if (!($fp = popen("/sbin/ifconfig -l", "r"))) return -1;
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$ifconfig_data = fread($fp, 4096);
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pclose($fp);
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$ifconfig_array = split(" ", $ifconfig_data);
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foreach ($ifconfig_array as $ifconfig) {
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ereg("gif(.)", $ifconfig, $regs);
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if($regs[0]) {
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if($regs[0] > $last_gif_found)
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$last_gif_found = $regs[1];
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}
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}
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return $last_gif_found;
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}
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function vpn_ipsec_configure($ipchg = false) {
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global $config, $g;
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if($g['booting'] == true) {
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/* determine if we should load the via padlock module */
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$dmesg_boot = `cat /var/log/dmesg.boot | grep CPU`;
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if(stristr($dmesg_boot, "ACE") == true) {
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//echo "Enabling [VIA Padlock] ...";
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//mwexec("/sbin/kldload padlock");
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//mwexec("/sbin/sysctl net.inet.ipsec.crypto_support=1");
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//mwexec("/usr/sbin/setkey -F");
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//mwexec("/usr/sbin/setkey -FP");
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//echo " done.\n";
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}
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}
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if(isset($config['ipsec']['preferredoldsa'])) {
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mwexec("/sbin/sysctl net.key.preferred_oldsa=0");
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} else {
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mwexec("/sbin/sysctl -w net.key.preferred_oldsa=-30");
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}
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$number_of_gifs = find_last_gif_device();
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for($x=0; $x<$number_of_gifs; $x++) {
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mwexec("/sbin/ifconfig gif" . $x . " delete");
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}
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$curwanip = get_current_wan_address();
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if($config['installedpackages']['sasyncd']['config'] <> "")
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foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
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if($sasyncd['ip'] <> "")
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$curwanip = $sasyncd['ip'];
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}
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$syscfg = $config['system'];
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$ipseccfg = $config['ipsec'];
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$lancfg = $config['interfaces']['lan'];
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$lanip = $lancfg['ipaddr'];
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$lansa = gen_subnet($lancfg['ipaddr'], $lancfg['subnet']);
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$lansn = $lancfg['subnet'];
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if ($g['booting']) {
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if (!isset($ipseccfg['enable']))
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return 0;
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echo "Configuring IPsec VPN... ";
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} else {
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/* kill racoon */
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mwexec("/usr/bin/killall racoon");
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/* wait for process to die */
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sleep(2);
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/* send a SIGKILL to be sure */
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sigkillbypid("{$g['varrun_path']}/racoon.pid", "KILL");
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}
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/* flush SPD and SAD */
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mwexec("/usr/sbin/setkey -FP");
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mwexec("/usr/sbin/setkey -F");
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if (isset($ipseccfg['enable'])) {
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/* fastforwarding is not compatible with ipsec tunnels */
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system("/sbin/sysctl net.inet.ip.fastforwarding=0 >/dev/null 2>&1");
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if (!$curwanip) {
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/* IP address not configured yet, exit */
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if ($g['booting'])
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echo "done\n";
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return 0;
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}
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if ((is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel'])) ||
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isset($ipseccfg['mobileclients']['enable'])) {
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if (is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel'])) {
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/* generate spd.conf */
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$fd = fopen("{$g['varetc_path']}/spd.conf", "w");
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if (!$fd) {
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printf("Error: cannot open spd.conf in vpn_ipsec_configure().\n");
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return 1;
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}
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$spdconf = "";
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$spdconf .= "spdadd {$lansa}/{$lansn} {$lanip}/32 any -P in none;\n";
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$spdconf .= "spdadd {$lanip}/32 {$lansa}/{$lansn} any -P out none;\n";
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foreach ($ipseccfg['tunnel'] as $tunnel) {
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if (isset($tunnel['disabled']))
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continue;
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$ep = vpn_endpoint_determine($tunnel, $curwanip);
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if (!$ep)
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continue;
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vpn_localnet_determine($tunnel['local-subnet'], $sa, $sn);
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if(is_domain($tunnel['remote-gateway'])) {
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$tmp = gethostbyname($tunnel['remote-gateway']);
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if($tmp)
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$tunnel['remote-gateway'] = $tmp;
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}
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if(isset($tunnel['creategif'])) {
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$number_of_gifs = find_last_gif_device();
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$number_of_gifs++;
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$curwanip = get_current_wan_address();
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if($config['installedpackages']['sasyncd']['config'] <> "")
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foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
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if($sasyncd['ip'] <> "")
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$curwanip = $sasyncd['ip'];
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}
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mwexec("/sbin/ifconfig gif" . $number_of_gifs . " tunnel" . $curwanip . " " . $tunnel['remote-gateway']);
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mwexec("/sbin/ifconfig gif" . $number_of_gifs . " {$lansa}/{$lansn} {$lanip}/32");
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}
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$spdconf .= "spdadd {$sa}/{$sn} " .
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"{$tunnel['remote-subnet']} any -P out ipsec " .
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"{$tunnel['p2']['protocol']}/tunnel/{$ep}-" .
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"{$tunnel['remote-gateway']}/unique;\n";
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$spdconf .= "spdadd {$tunnel['remote-subnet']} " .
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"{$sa}/{$sn} any -P in ipsec " .
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"{$tunnel['p2']['protocol']}/tunnel/{$tunnel['remote-gateway']}-" .
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"{$ep}/unique;\n";
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}
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fwrite($fd, $spdconf);
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fclose($fd);
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/* load SPD */
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mwexec("/usr/sbin/setkey -c < {$g['varetc_path']}/spd.conf");
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}
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/* generate racoon.conf */
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$fd = fopen("{$g['varetc_path']}/racoon.conf", "w");
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if (!$fd) {
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printf("Error: cannot open racoon.conf in vpn_ipsec_configure().\n");
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return 1;
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}
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$racoonconf = "";
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if($config['installedpackages']['sasyncd']['config'] <> "")
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foreach($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
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if($sasyncd['ip'] <> "")
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$curwanip = $sasyncd['ip'];
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/* natt - turn on if <developer/> exists */
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if(isset($config['system']['developer']) <> "") {
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$lanip = $config['interfaces']['lan']['ipaddr'];
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if($lanip <> "")
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$natt = "isakmp_natt {$lanip}[4500];\n";
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}
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$interface_ip = $sasyncd['ip'];
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$racoonconf .= <<<EOD
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listen {
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isakmp {$interface_ip} [500];
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{$natt}
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}
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EOD;
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}
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$racoonconf = "path pre_shared_key \"{$g['varetc_path']}/psk.txt\";\n\n";
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$racoonconf .= "path certificate \"{$g['varetc_path']}\";\n\n";
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/* generate CA certificates files */
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$cacertnum = 0;
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if (is_array($ipseccfg['cacert']) && count($ipseccfg['cacert']))
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foreach ($ipseccfg['cacert'] as $cacert) {
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++$cacertnum;
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if (isset($cacert['cert'])) {
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$cert = base64_decode($cacert['cert']);
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$x509cert = openssl_x509_parse(openssl_x509_read($cert));
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if(is_array($x509cert) && isset($x509cert['hash'])) {
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$fd1 = fopen("{$g['varetc_path']}/{$x509cert['hash']}.0", "w");
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if (!$fd1) {
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printf("Error: cannot open {$x509cert['hash']}.0 in vpn.\n");
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return 1;
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}
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chmod("{$g['varetc_path']}/{$x509cert['hash']}.0", 0600);
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fwrite($fd1, $cert);
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fclose($fd1);
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}
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}
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}
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$tunnelnumber = 0;
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if (is_array($ipseccfg['tunnel']) && count($ipseccfg['tunnel']))
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foreach ($ipseccfg['tunnel'] as $tunnel) {
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++$tunnelnumber;
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if (isset($tunnel['disabled']))
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continue;
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$ep = vpn_endpoint_determine($tunnel, $curwanip);
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if (!$ep)
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continue;
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vpn_localnet_determine($tunnel['local-subnet'], $sa, $sn);
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if (isset($tunnel['p1']['myident']['myaddress'])) {
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$myidentt = "address";
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$myident = $ep;
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} else if (isset($tunnel['p1']['myident']['address'])) {
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$myidentt = "address";
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$myident = $tunnel['p1']['myident']['address'];
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} else if (isset($tunnel['p1']['myident']['fqdn'])) {
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$myidentt = "fqdn";
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$myident = $tunnel['p1']['myident']['fqdn'];
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} else if (isset($tunnel['p1']['myident']['ufqdn'])) {
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$myidentt = "user_fqdn";
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$myident = $tunnel['p1']['myident']['ufqdn'];
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} else if (isset($tunnel['p1']['myident']['dyn_dns'])) {
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$myidentt = "dyn_dns";
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$myident = gethostbyname($tunnel['p1']['myident']['dyn_dns']);
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}
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if (isset($tunnel['p1']['authentication_method'])) {
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$authmethod = $tunnel['p1']['authentication_method'];
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} else {$authmethod = 'pre_shared_key';}
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$certline = '';
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if ($authmethod == 'rsasig') {
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if ($tunnel['p1']['cert'] && $tunnel['p1']['private-key']) {
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$cert = base64_decode($tunnel['p1']['cert']);
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$private_key = base64_decode($tunnel['p1']['private-key']);
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} else {
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/* null certificate/key */
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$cert = '';
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$private_key = '';
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}
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if ($tunnel['p1']['peercert'])
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$peercert = base64_decode($tunnel['p1']['peercert']);
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else
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$peercert = '';
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$fd1 = fopen("{$g['varetc_path']}/server{$tunnelnumber}-signed.pem", "w");
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if (!$fd1) {
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printf("Error: cannot open server{$tunnelnumber}-signed.pem in vpn.\n");
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return 1;
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}
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chmod("{$g['varetc_path']}/server{$tunnelnumber}-signed.pem", 0600);
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fwrite($fd1, $cert);
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fclose($fd1);
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$fd1 = fopen("{$g['varetc_path']}/server{$tunnelnumber}-key.pem", "w");
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if (!$fd1) {
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printf("Error: cannot open server{$tunnelnumber}-key.pem in vpn.\n");
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return 1;
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}
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chmod("{$g['varetc_path']}/server{$tunnelnumber}-key.pem", 0600);
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fwrite($fd1, $private_key);
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fclose($fd1);
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$certline = "certificate_type x509 \"server{$tunnelnumber}-signed.pem\" \"server{$tunnelnumber}-key.pem\";";
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if ($peercert!=''){
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$fd1 = fopen("{$g['varetc_path']}/peer{$tunnelnumber}-signed.pem", "w");
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if (!$fd1) {
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printf("Error: cannot open server{$tunnelnumber}-signed.pem in vpn.\n");
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return 1;
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}
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chmod("{$g['varetc_path']}/peer{$tunnelnumber}-signed.pem", 0600);
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fwrite($fd1, $peercert);
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fclose($fd1);
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$certline .= <<<EOD
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peers_certfile "peer{$tunnelnumber}-signed.pem";
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EOD;
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}
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}
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$racoonconf .= <<<EOD
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remote {$tunnel['remote-gateway']} \{
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exchange_mode {$tunnel['p1']['mode']};
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my_identifier {$myidentt} "{$myident}";
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{$certline}
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peers_identifier address {$tunnel['remote-gateway']};
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initial_contact on;
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support_proxy on;
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proposal_check obey;
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proposal \{
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encryption_algorithm {$tunnel['p1']['encryption-algorithm']};
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hash_algorithm {$tunnel['p1']['hash-algorithm']};
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authentication_method {$authmethod};
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dh_group {$tunnel['p1']['dhgroup']};
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EOD;
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if ($tunnel['p1']['lifetime'])
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$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
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387
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$racoonconf .= " }\n";
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if ($tunnel['p1']['lifetime'])
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$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
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392
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$racoonconf .= "}\n\n";
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$p2ealgos = join(",", $tunnel['p2']['encryption-algorithm-option']);
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396
|
$p2halgos = join(",", $tunnel['p2']['hash-algorithm-option']);
|
397
|
|
398
|
$racoonconf .= <<<EOD
|
399
|
sainfo address {$sa}/{$sn} any address {$tunnel['remote-subnet']} any \{
|
400
|
encryption_algorithm {$p2ealgos};
|
401
|
authentication_algorithm {$p2halgos};
|
402
|
compression_algorithm deflate;
|
403
|
|
404
|
EOD;
|
405
|
|
406
|
if ($tunnel['p2']['pfsgroup'])
|
407
|
$racoonconf .= " pfs_group {$tunnel['p2']['pfsgroup']};\n";
|
408
|
|
409
|
if ($tunnel['p2']['lifetime'])
|
410
|
$racoonconf .= " lifetime time {$tunnel['p2']['lifetime']} secs;\n";
|
411
|
|
412
|
$racoonconf .= "}\n\n";
|
413
|
}
|
414
|
|
415
|
/* mobile clients? */
|
416
|
if (isset($ipseccfg['mobileclients']['enable'])) {
|
417
|
|
418
|
$tunnel = $ipseccfg['mobileclients'];
|
419
|
|
420
|
if (isset($tunnel['p1']['myident']['myaddress'])) {
|
421
|
$myidentt = "address";
|
422
|
$myident = $curwanip;
|
423
|
} else if (isset($tunnel['p1']['myident']['address'])) {
|
424
|
$myidentt = "address";
|
425
|
$myident = $tunnel['p1']['myident']['address'];
|
426
|
} else if (isset($tunnel['p1']['myident']['fqdn'])) {
|
427
|
$myidentt = "fqdn";
|
428
|
$myident = $tunnel['p1']['myident']['fqdn'];
|
429
|
} else if (isset($tunnel['p1']['myident']['ufqdn'])) {
|
430
|
$myidentt = "user_fqdn";
|
431
|
$myident = $tunnel['p1']['myident']['ufqdn'];
|
432
|
}
|
433
|
|
434
|
if (isset($tunnel['p1']['authentication_method'])) {
|
435
|
$authmethod = $tunnel['p1']['authentication_method'];
|
436
|
} else {$authmethod = 'pre_shared_key';}
|
437
|
|
438
|
$certline = '';
|
439
|
if ($authmethod == 'rsasig') {
|
440
|
if ($tunnel['p1']['cert'] && $tunnel['p1']['private-key']) {
|
441
|
$cert = base64_decode($tunnel['p1']['cert']);
|
442
|
$private_key = base64_decode($tunnel['p1']['private-key']);
|
443
|
} else {
|
444
|
/* null certificate/key */
|
445
|
$cert = '';
|
446
|
$private_key = '';
|
447
|
}
|
448
|
|
449
|
if ($tunnel['p1']['peercert'])
|
450
|
$peercert = base64_decode($tunnel['p1']['peercert']);
|
451
|
else
|
452
|
$peercert = '';
|
453
|
|
454
|
$fd1 = fopen("{$g['varetc_path']}/server-mobile{$tunnelnumber}-signed.pem", "w");
|
455
|
if (!$fd1) {
|
456
|
printf("Error: cannot open server-mobile{$tunnelnumber}-signed.pem in vpn.\n");
|
457
|
return 1;
|
458
|
}
|
459
|
chmod("{$g['varetc_path']}/server-mobile{$tunnelnumber}-signed.pem", 0600);
|
460
|
fwrite($fd1, $cert);
|
461
|
fclose($fd1);
|
462
|
|
463
|
$fd1 = fopen("{$g['varetc_path']}/server-mobile{$tunnelnumber}-key.pem", "w");
|
464
|
if (!$fd1) {
|
465
|
printf("Error: cannot open server-mobile{$tunnelnumber}-key.pem in vpn.\n");
|
466
|
return 1;
|
467
|
}
|
468
|
chmod("{$g['varetc_path']}/server-mobile{$tunnelnumber}-key.pem", 0600);
|
469
|
fwrite($fd1, $private_key);
|
470
|
fclose($fd1);
|
471
|
|
472
|
$certline = "certificate_type x509 \"server-mobile{$tunnelnumber}-signed.pem\" \"server-mobile{$tunnelnumber}-key.pem\";";
|
473
|
}
|
474
|
$racoonconf .= <<<EOD
|
475
|
remote anonymous \{
|
476
|
exchange_mode {$tunnel['p1']['mode']};
|
477
|
my_identifier {$myidentt} "{$myident}";
|
478
|
{$certline}
|
479
|
initial_contact on;
|
480
|
passive on;
|
481
|
generate_policy on;
|
482
|
support_proxy on;
|
483
|
proposal_check obey;
|
484
|
|
485
|
proposal \{
|
486
|
encryption_algorithm {$tunnel['p1']['encryption-algorithm']};
|
487
|
hash_algorithm {$tunnel['p1']['hash-algorithm']};
|
488
|
authentication_method {$authmethod};
|
489
|
dh_group {$tunnel['p1']['dhgroup']};
|
490
|
|
491
|
EOD;
|
492
|
if ($tunnel['p1']['lifetime'])
|
493
|
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
|
494
|
|
495
|
$racoonconf .= " }\n";
|
496
|
|
497
|
if ($tunnel['p1']['lifetime'])
|
498
|
$racoonconf .= " lifetime time {$tunnel['p1']['lifetime']} secs;\n";
|
499
|
|
500
|
$racoonconf .= "}\n\n";
|
501
|
|
502
|
$p2ealgos = join(",", $tunnel['p2']['encryption-algorithm-option']);
|
503
|
$p2halgos = join(",", $tunnel['p2']['hash-algorithm-option']);
|
504
|
|
505
|
$racoonconf .= <<<EOD
|
506
|
sainfo anonymous \{
|
507
|
encryption_algorithm {$p2ealgos};
|
508
|
authentication_algorithm {$p2halgos};
|
509
|
compression_algorithm deflate;
|
510
|
|
511
|
EOD;
|
512
|
|
513
|
if ($tunnel['p2']['pfsgroup'])
|
514
|
$racoonconf .= " pfs_group {$tunnel['p2']['pfsgroup']};\n";
|
515
|
|
516
|
if ($tunnel['p2']['lifetime'])
|
517
|
$racoonconf .= " lifetime time {$tunnel['p2']['lifetime']} secs;\n";
|
518
|
|
519
|
$racoonconf .= "}\n\n";
|
520
|
}
|
521
|
|
522
|
fwrite($fd, $racoonconf);
|
523
|
fclose($fd);
|
524
|
|
525
|
/* generate psk.txt */
|
526
|
$fd = fopen("{$g['varetc_path']}/psk.txt", "w");
|
527
|
if (!$fd) {
|
528
|
printf("Error: cannot open psk.txt in vpn_ipsec_configure().\n");
|
529
|
return 1;
|
530
|
}
|
531
|
|
532
|
$pskconf = "";
|
533
|
|
534
|
if (is_array($ipseccfg['tunnel'])) {
|
535
|
foreach ($ipseccfg['tunnel'] as $tunnel) {
|
536
|
if (isset($tunnel['disabled']))
|
537
|
continue;
|
538
|
$pskconf .= "{$tunnel['remote-gateway']} {$tunnel['p1']['pre-shared-key']}\n";
|
539
|
}
|
540
|
}
|
541
|
|
542
|
/* add PSKs for mobile clients */
|
543
|
if (is_array($ipseccfg['mobilekey'])) {
|
544
|
foreach ($ipseccfg['mobilekey'] as $key) {
|
545
|
$pskconf .= "{$key['ident']} {$key['pre-shared-key']}\n";
|
546
|
}
|
547
|
}
|
548
|
|
549
|
fwrite($fd, $pskconf);
|
550
|
fclose($fd);
|
551
|
chmod("{$g['varetc_path']}/psk.txt", 0600);
|
552
|
|
553
|
/* start racoon */
|
554
|
mwexec("/usr/local/sbin/racoon -d -f {$g['varetc_path']}/racoon.conf");
|
555
|
|
556
|
if (is_array($ipseccfg['tunnel'])) {
|
557
|
foreach ($ipseccfg['tunnel'] as $tunnel) {
|
558
|
if (isset($tunnel['auto'])) {
|
559
|
$remotehost = substr($tunnel['remote-subnet'],0,strpos($tunnel['remote-subnet'],"/"));
|
560
|
$srchost = vpn_endpoint_determine($tunnel, $curwanip);
|
561
|
if ($srchost)
|
562
|
mwexec_bg("/sbin/ping -c 10 -S {$srchost} {$remotehost}");
|
563
|
}
|
564
|
}
|
565
|
}
|
566
|
}
|
567
|
}
|
568
|
|
569
|
vpn_ipsec_failover_configure();
|
570
|
|
571
|
if (!$g['booting']) {
|
572
|
/* reload the filter */
|
573
|
touch("{$g["tmp_path"]}/filter_dirty");
|
574
|
}
|
575
|
|
576
|
if ($g['booting'])
|
577
|
echo "done\n";
|
578
|
|
579
|
return 0;
|
580
|
}
|
581
|
|
582
|
function vpn_pptpd_configure() {
|
583
|
global $config, $g;
|
584
|
|
585
|
$syscfg = $config['system'];
|
586
|
$pptpdcfg = $config['pptpd'];
|
587
|
|
588
|
if ($g['booting']) {
|
589
|
if (!$pptpdcfg['mode'] || ($pptpdcfg['mode'] == "off"))
|
590
|
return 0;
|
591
|
|
592
|
echo "Configuring PPTP VPN service... ";
|
593
|
} else {
|
594
|
/* kill mpd */
|
595
|
killbypid("{$g['varrun_path']}/mpd-vpn.pid");
|
596
|
|
597
|
/* wait for process to die */
|
598
|
sleep(2);
|
599
|
|
600
|
/* remove mpd.conf, if it exists */
|
601
|
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.conf");
|
602
|
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.links");
|
603
|
unlink_if_exists("{$g['varetc_path']}/mpd-vpn/mpd.secret");
|
604
|
}
|
605
|
|
606
|
/* make sure mpd-vpn directory exists */
|
607
|
if (!file_exists("{$g['varetc_path']}/mpd-vpn"))
|
608
|
mkdir("{$g['varetc_path']}/mpd-vpn");
|
609
|
|
610
|
switch ($pptpdcfg['mode']) {
|
611
|
|
612
|
case 'server':
|
613
|
|
614
|
/* write mpd.conf */
|
615
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.conf", "w");
|
616
|
if (!$fd) {
|
617
|
printf("Error: cannot open mpd.conf in vpn_pptpd_configure().\n");
|
618
|
return 1;
|
619
|
}
|
620
|
|
621
|
$mpdconf = <<<EOD
|
622
|
pptpd:
|
623
|
|
624
|
EOD;
|
625
|
|
626
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
627
|
$mpdconf .= " load pt{$i}\n";
|
628
|
}
|
629
|
|
630
|
if ($config['interfaces']['wan']['ipaddr'] == "pppoe") {
|
631
|
$pptp_mtu = "1440";
|
632
|
} else {
|
633
|
$pptp_mtu = "1460";
|
634
|
}
|
635
|
|
636
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
637
|
|
638
|
$clientip = long2ip(ip2long($pptpdcfg['remoteip']) + $i);
|
639
|
$ngif = "ng" . ($i+1);
|
640
|
|
641
|
$mpdconf .= <<<EOD
|
642
|
|
643
|
pt{$i}:
|
644
|
new -i {$ngif} pt{$i} pt{$i}
|
645
|
set ipcp ranges {$pptpdcfg['localip']}/32 {$clientip}/32
|
646
|
load pts
|
647
|
|
648
|
EOD;
|
649
|
}
|
650
|
|
651
|
$mpdconf .= <<<EOD
|
652
|
|
653
|
pts:
|
654
|
set iface disable on-demand
|
655
|
set iface enable proxy-arp
|
656
|
set iface enable tcpmssfix
|
657
|
set iface idle 1800
|
658
|
set iface up-script /usr/local/sbin/vpn-linkup
|
659
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
660
|
set bundle enable multilink
|
661
|
set bundle enable crypt-reqd
|
662
|
set link yes acfcomp protocomp
|
663
|
set link no pap chap
|
664
|
set link enable chap-msv2
|
665
|
set link mtu {$pptp_mtu}
|
666
|
set link keep-alive 10 60
|
667
|
set ipcp yes vjcomp
|
668
|
set bundle enable compression
|
669
|
set ccp yes mppc
|
670
|
set ccp yes mpp-e128
|
671
|
set ccp yes mpp-stateless
|
672
|
|
673
|
EOD;
|
674
|
|
675
|
if (!isset($pptpdcfg['req128'])) {
|
676
|
$mpdconf .= <<<EOD
|
677
|
set ccp yes mpp-e40
|
678
|
set ccp yes mpp-e56
|
679
|
|
680
|
EOD;
|
681
|
}
|
682
|
if (isset($pptpdcfg["wins"]))
|
683
|
$mpdconf .= " set ipcp nbns {$pptpdcfg['wins']}\n";
|
684
|
if (isset($config['dnsmasq']['enable'])) {
|
685
|
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
|
686
|
if ($syscfg['dnsserver'][0])
|
687
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
688
|
$mpdconf .= "\n";
|
689
|
} else if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
690
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
691
|
}
|
692
|
|
693
|
if (isset($pptpdcfg['radius']['enable'])) {
|
694
|
$mpdconf .= <<<EOD
|
695
|
set radius server {$pptpdcfg['radius']['server']} "{$pptpdcfg['radius']['secret']}"
|
696
|
set radius retries 3
|
697
|
set radius timeout 10
|
698
|
set bundle enable radius-auth
|
699
|
set bundle disable radius-fallback
|
700
|
|
701
|
EOD;
|
702
|
|
703
|
if (isset($pptpdcfg['radius']['accounting'])) {
|
704
|
$mpdconf .= <<<EOD
|
705
|
set bundle enable radius-acct
|
706
|
|
707
|
EOD;
|
708
|
}
|
709
|
}
|
710
|
|
711
|
fwrite($fd, $mpdconf);
|
712
|
fclose($fd);
|
713
|
|
714
|
/* write mpd.links */
|
715
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.links", "w");
|
716
|
if (!$fd) {
|
717
|
printf("Error: cannot open mpd.links in vpn_pptpd_configure().\n");
|
718
|
return 1;
|
719
|
}
|
720
|
|
721
|
$mpdlinks = "";
|
722
|
|
723
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
724
|
$mpdlinks .= <<<EOD
|
725
|
|
726
|
pt{$i}:
|
727
|
set link type pptp
|
728
|
set pptp enable incoming
|
729
|
set pptp disable originate
|
730
|
set pptp disable windowing
|
731
|
set pptp self 127.0.0.1
|
732
|
|
733
|
EOD;
|
734
|
}
|
735
|
|
736
|
fwrite($fd, $mpdlinks);
|
737
|
fclose($fd);
|
738
|
|
739
|
/* write mpd.secret */
|
740
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.secret", "w");
|
741
|
if (!$fd) {
|
742
|
printf("Error: cannot open mpd.secret in vpn_pptpd_configure().\n");
|
743
|
return 1;
|
744
|
}
|
745
|
|
746
|
$mpdsecret = "";
|
747
|
|
748
|
if (is_array($pptpdcfg['user'])) {
|
749
|
foreach ($pptpdcfg['user'] as $user)
|
750
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
751
|
}
|
752
|
|
753
|
fwrite($fd, $mpdsecret);
|
754
|
fclose($fd);
|
755
|
chmod("{$g['varetc_path']}/mpd-vpn/mpd.secret", 0600);
|
756
|
|
757
|
/* fire up mpd */
|
758
|
mwexec("/usr/local/sbin/mpd -b -d {$g['varetc_path']}/mpd-vpn -p {$g['varrun_path']}/mpd-vpn.pid pptpd");
|
759
|
|
760
|
break;
|
761
|
|
762
|
case 'redir':
|
763
|
break;
|
764
|
}
|
765
|
|
766
|
touch("{$g["tmp_path"]}/filter_dirty");
|
767
|
|
768
|
if ($g['booting'])
|
769
|
echo "done\n";
|
770
|
|
771
|
return 0;
|
772
|
}
|
773
|
|
774
|
function vpn_localnet_determine($adr, &$sa, &$sn) {
|
775
|
global $config, $g;
|
776
|
|
777
|
if (isset($adr)) {
|
778
|
if ($adr['network']) {
|
779
|
switch ($adr['network']) {
|
780
|
case 'lan':
|
781
|
$sn = $config['interfaces']['lan']['subnet'];
|
782
|
$sa = gen_subnet($config['interfaces']['lan']['ipaddr'], $sn);
|
783
|
break;
|
784
|
}
|
785
|
} else if ($adr['address']) {
|
786
|
list($sa,$sn) = explode("/", $adr['address']);
|
787
|
if (is_null($sn))
|
788
|
$sn = 32;
|
789
|
}
|
790
|
} else {
|
791
|
$sn = $config['interfaces']['lan']['subnet'];
|
792
|
$sa = gen_subnet($config['interfaces']['lan']['ipaddr'], $sn);
|
793
|
}
|
794
|
}
|
795
|
|
796
|
function vpn_endpoint_determine($tunnel, $curwanip) {
|
797
|
|
798
|
global $g, $config;
|
799
|
|
800
|
if ((!$tunnel['interface']) || ($tunnel['interface'] == "wan")) {
|
801
|
if ($curwanip)
|
802
|
return $curwanip;
|
803
|
else
|
804
|
return null;
|
805
|
} else if ($tunnel['interface'] == "lan") {
|
806
|
return $config['interfaces']['lan']['ipaddr'];
|
807
|
} else {
|
808
|
$oc = $config['interfaces'][$tunnel['interface']];
|
809
|
|
810
|
if (isset($oc['enable']) && $oc['if']) {
|
811
|
return $oc['ipaddr'];
|
812
|
}
|
813
|
}
|
814
|
|
815
|
return null;
|
816
|
}
|
817
|
|
818
|
function vpn_pppoe_configure() {
|
819
|
global $config, $g;
|
820
|
|
821
|
$syscfg = $config['system'];
|
822
|
$pppoecfg = $config['pppoe'];
|
823
|
|
824
|
/* create directory if it does not exist */
|
825
|
if(!is_dir("{$g['varetc_path']}/mpd-vpn"))
|
826
|
mkdir("{$g['varetc_path']}/mpd-vpn");
|
827
|
|
828
|
if ($g['booting']) {
|
829
|
if (!$pppoecfg['mode'] || ($pppoecfg['mode'] == "off"))
|
830
|
return 0;
|
831
|
|
832
|
echo "Configuring PPPoE VPN service... ";
|
833
|
} else {
|
834
|
/* kill mpd */
|
835
|
killbypid("{$g['varrun_path']}/mpd-vpn.pid");
|
836
|
|
837
|
/* wait for process to die */
|
838
|
sleep(2);
|
839
|
|
840
|
vpn_pptpd_configure();
|
841
|
}
|
842
|
|
843
|
/* make sure mpd-vpn directory exists */
|
844
|
if (!file_exists("{$g['varetc_path']}/mpd-vpn"))
|
845
|
mkdir("{$g['varetc_path']}/mpd-vpn");
|
846
|
|
847
|
switch ($pppoecfg['mode']) {
|
848
|
|
849
|
case 'server':
|
850
|
|
851
|
$pppoe_interface = filter_translate_type_to_real_interface($pppoecfg['interface']);
|
852
|
|
853
|
/* write mpd.conf */
|
854
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.conf", "a");
|
855
|
if (!$fd) {
|
856
|
printf("Error: cannot open mpd.conf in vpn_pppoe_configure().\n");
|
857
|
return 1;
|
858
|
}
|
859
|
$mpdconf = "\n\n";
|
860
|
$mpdconf .= <<<EOD
|
861
|
pppoe:
|
862
|
|
863
|
EOD;
|
864
|
|
865
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
866
|
$mpdconf .= " load pppoe{$i}\n";
|
867
|
}
|
868
|
|
869
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
870
|
|
871
|
$clientip = long2ip(ip2long($pppoecfg['remoteip']) + $i);
|
872
|
$ngif = "ng" . ($i+1);
|
873
|
|
874
|
$mpdconf .= <<<EOD
|
875
|
|
876
|
pppoe{$i}:
|
877
|
new -i {$ngif} pppoe{$i} pppoe{$i}
|
878
|
set ipcp ranges {$pppoecfg['localip']}/32 {$clientip}/32
|
879
|
load pppoe_standart
|
880
|
|
881
|
EOD;
|
882
|
}
|
883
|
|
884
|
$mpdconf .= <<<EOD
|
885
|
|
886
|
pppoe_standart:
|
887
|
set link type pppoe
|
888
|
set pppoe iface {$pppoe_interface}
|
889
|
set pppoe service "*"
|
890
|
set pppoe disable originate
|
891
|
set pppoe enable incoming
|
892
|
set bundle no multilink
|
893
|
set bundle enable compression
|
894
|
set bundle max-logins 1
|
895
|
set iface idle 0
|
896
|
set iface disable on-demand
|
897
|
set iface disable proxy-arp
|
898
|
set iface enable tcpmssfix
|
899
|
set iface mtu 1500
|
900
|
set link mtu 1500
|
901
|
set link no pap chap
|
902
|
set link enable chap
|
903
|
set link keep-alive 60 180
|
904
|
set ipcp yes vjcomp
|
905
|
set ipcp no vjcomp
|
906
|
set link max-redial -1
|
907
|
set link mtu 1492
|
908
|
set ccp yes mpp-e40
|
909
|
set ccp yes mpp-e128
|
910
|
set ccp yes mpp-stateless
|
911
|
set link latency 1
|
912
|
#set ipcp dns 10.10.1.3
|
913
|
#set bundle accept encryption
|
914
|
|
915
|
EOD;
|
916
|
|
917
|
if (isset($config['dnsmasq']['enable'])) {
|
918
|
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
|
919
|
if ($syscfg['dnsserver'][0])
|
920
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
921
|
$mpdconf .= "\n";
|
922
|
} else if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
923
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
924
|
}
|
925
|
|
926
|
if (isset($pppoecfg['radius']['enable'])) {
|
927
|
$mpdconf .= <<<EOD
|
928
|
set radius server {$pppoecfg['radius']['server']} "{$pppoecfg['radius']['secret']}"
|
929
|
set radius retries 3
|
930
|
set radius timeout 10
|
931
|
set bundle enable radius-auth
|
932
|
set bundle disable radius-fallback
|
933
|
|
934
|
EOD;
|
935
|
|
936
|
if (isset($pppoecfg['radius']['accounting'])) {
|
937
|
$mpdconf .= <<<EOD
|
938
|
set bundle enable radius-acct
|
939
|
|
940
|
EOD;
|
941
|
}
|
942
|
}
|
943
|
|
944
|
fwrite($fd, $mpdconf);
|
945
|
fclose($fd);
|
946
|
|
947
|
/* write mpd.links */
|
948
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.links", "a");
|
949
|
if (!$fd) {
|
950
|
printf("Error: cannot open mpd.links in vpn_pppoe_configure().\n");
|
951
|
return 1;
|
952
|
}
|
953
|
|
954
|
$mpdlinks = "";
|
955
|
|
956
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
957
|
$mpdlinks .= <<<EOD
|
958
|
|
959
|
pppoe:
|
960
|
set link type pppoe
|
961
|
set pppoe iface {$pppoe_interface}
|
962
|
|
963
|
EOD;
|
964
|
}
|
965
|
|
966
|
fwrite($fd, $mpdlinks);
|
967
|
fclose($fd);
|
968
|
|
969
|
/* write mpd.secret */
|
970
|
$fd = fopen("{$g['varetc_path']}/mpd-vpn/mpd.secret", "a");
|
971
|
if (!$fd) {
|
972
|
printf("Error: cannot open mpd.secret in vpn_pppoe_configure().\n");
|
973
|
return 1;
|
974
|
}
|
975
|
|
976
|
$mpdsecret = "\n\n";
|
977
|
|
978
|
if (is_array($pppoecfg['user'])) {
|
979
|
foreach ($pppoecfg['user'] as $user)
|
980
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
981
|
}
|
982
|
|
983
|
fwrite($fd, $mpdsecret);
|
984
|
fclose($fd);
|
985
|
chmod("{$g['varetc_path']}/mpd-vpn/mpd.secret", 0600);
|
986
|
|
987
|
/* fire up mpd */
|
988
|
mwexec("/usr/local/sbin/mpd -b -d {$g['varetc_path']}/mpd-vpn -p {$g['varrun_path']}/mpd-vpn.pid pppoe");
|
989
|
|
990
|
break;
|
991
|
|
992
|
case 'redir':
|
993
|
break;
|
994
|
}
|
995
|
|
996
|
touch("{$g["tmp_path"]}/filter_dirty");
|
997
|
|
998
|
if ($g['booting'])
|
999
|
echo "done\n";
|
1000
|
|
1001
|
return 0;
|
1002
|
}
|
1003
|
|
1004
|
?>
|