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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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Copyright (C) 2008 Shrew Soft Inc
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Copyright (C) 2008 Ermal Lu?i
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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 ($config['installedpackages']['sasyncd'] <> "")
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foreach ($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("{$g['varetc_path']}/sasyncd.conf", 0600);
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mwexec("killall sasyncd", true);
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/* launch sasyncd, oh wise one */
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mwexec_bg("/usr/local/sbin/sasyncd -d -v -v -v");
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}
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function find_last_gif_device() {
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$last_gif_found = -1;
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$regs = "";
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if (!($fp = popen("/sbin/ifconfig -l", "r")))
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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] && $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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{
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global $config, $g, $sa, $sn, $p1_ealgos, $p2_ealgos;
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mwexec("/sbin/ifconfig enc0 up");
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/* get the automatic /etc/ping_hosts.sh ready */
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unlink_if_exists("/var/db/ipsecpinghosts");
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touch("/var/db/ipsecpinghosts");
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if ($g['booting'] == true) {
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/* determine if we should load the via padlock module */
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$dmesg_boot = `/usr/bin/grep CPU {$g['varlog_path']}/dmesg.boot`;
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if (stristr($dmesg_boot, "ACE") == true) {
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//echo "Enabling [VIA Padlock] ...";
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//mwexec("/sbin/kldload padlock");
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//mwexec("/sbin/sysctl net.inet.ipsec.crypto_support=1");
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//mwexec("/usr/local/sbin/setkey -F");
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//mwexec("/usr/local/sbin/setkey -FP");
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//echo " done.\n";
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}
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}
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if(isset($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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$number_of_gifs = find_last_gif_device();
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for ($x = 0; $x < $number_of_gifs; $x++)
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mwexec("/sbin/ifconfig gif" . $x . " delete");
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$curwanip = get_interface_ip();
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$syscfg = $config['system'];
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$ipseccfg = $config['ipsec'];
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$a_phase1 = $config['ipsec']['phase1'];
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$a_phase2 = $config['ipsec']['phase2'];
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$a_client = $config['ipsec']['client'];
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$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 = $lancfg['subnet'];
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if (!isset($ipseccfg['enable'])) {
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mwexec("/sbin/ifconfig enc0 down");
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mwexec("/sbin/ifconfig enc0 destroy");
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/* kill racoon */
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mwexec("/usr/bin/killall racoon", true);
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killbypid("{$g['varrun_path']}/dnswatch-ipsec.pid");
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/* wait for racoon process to die */
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sleep(2);
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/* send a SIGKILL to be sure */
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sigkillbypid("{$g['varrun_path']}/racoon.pid", "KILL");
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/* flush SPD and SAD */
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mwexec("/usr/local/sbin/setkey -FP");
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mwexec("/usr/local/sbin/setkey -F");
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return true;
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}
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if ($g['booting'])
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echo "Configuring IPsec VPN... ";
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if (isset ($ipseccfg['enable'])) {
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/* fastforwarding is not compatible with ipsec tunnels */
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mwexec("/sbin/sysctl net.inet.ip.fastforwarding=0");
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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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/* this loads a route table which is used to determine if a route needs to be removed. */
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exec("/usr/bin/netstat -rn", $route_arr, $retval);
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$route_str = implode("\n", $route_arr);
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/* resolve all local, peer addresses and setup pings */
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$ipmap = array();
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$rgmap = array();
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$dnswatch_list = array();
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if (is_array($a_phase1) && count($a_phase1)) {
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foreach ($a_phase1 as $ph1ent) {
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if (isset($ph1ent['disabled']))
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continue;
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$ep = ipsec_get_phase1_src($ph1ent);
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if (!$ep)
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continue;
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if(!in_array($ep,$ipmap))
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$ipmap[] = $ep;
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/* see if this tunnel has a hostname for the remote-gateway. If so,
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try to resolve it now and add it to the list for dnswatch */
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if (isset ($ph1ent['mobile']))
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continue;
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$rg = $ph1ent['remote-gateway'];
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if (!is_ipaddr($rg)) {
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$dnswatch_list[] = $rg;
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$rg = resolve_retry($rg);
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if (!$rg)
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continue;
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}
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$rgmap[$ph1ent['remote-gateway']] = $rg;
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/* add an ipsec pinghosts entry */
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if ($ph1ent['pinghost']) {
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$pfd = fopen("/var/db/ipsecpinghosts", "a");
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$iflist = get_configured_interface_list();
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foreach ($iflist as $ifent => $ifname) {
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$interface_ip = find_interface_ip($config['interfaces'][$ifname]['if']);
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if (ip_in_subnet($interface_ip, $sa . "/" . $sn))
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$srcip = find_interface_ip($config['interfaces'][$ifname]['if']);
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}
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$dstip = $ph1ent['pinghost'];
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fwrite($pfd, "$srcip|$dstip|3\n");
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fclose($pfd);
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}
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}
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}
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/* generate CA certificates files */
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$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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}
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/* generate psk.txt */
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$fd = fopen("{$g['varetc_path']}/psk.txt", "w");
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if (!$fd) {
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printf("Error: cannot open psk.txt in vpn_ipsec_configure().\n");
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return 1;
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}
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$pskconf = "";
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255
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if (is_array($a_phase1) && count($a_phase1)) {
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foreach ($a_phase1 as $ph1ent) {
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if (isset($ph1ent['disabled']))
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continue;
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260
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261
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if (strstr($ph1ent['authentication_method'],'rsa'))
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continue;
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264
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$peerid_type = $ph1ent['peerid_type'];
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switch ($peerid_type) {
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case "peeraddress":
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$peerid_type = "address";
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$peerid_data = $rgmap[$ph1ent['remote-gateway']];
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break;
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case "address";
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$peerid_data = $ph1ent['peerid_data'];
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break;
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case "fqdn";
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case "keyid tag";
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case "user_fqdn";
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$peerid_data = $ph1ent['peerid_data'];
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break;
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}
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282
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$pskconf .= "{$peerid_data}\t{$ph1ent['pre-shared-key']}\n";
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}
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}
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286
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fwrite($fd, $pskconf);
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fclose($fd);
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chmod("{$g['varetc_path']}/psk.txt", 0600);
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290
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291
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/* begin racoon.conf */
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if ((is_array($a_phase1) && count($a_phase1)) ||
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(is_array($a_phase2) && count($a_phase2))) {
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294
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295
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$fd = fopen("{$g['varetc_path']}/racoon.conf", "w");
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296
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if (!$fd) {
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297
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printf("Error: cannot open racoon.conf in vpn_ipsec_configure().\n");
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298
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return 1;
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299
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}
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300
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301
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$racoonconf = "";
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302
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303
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$racoonconf .= "path pre_shared_key \"{$g['varetc_path']}/psk.txt\";\n\n";
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304
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$racoonconf .= "path certificate \"{$g['varetc_path']}\";\n\n";
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305
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306
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/* begin listen section */
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307
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if (count($ipmap)) {
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308
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$racoonconf .= "\nlisten\n";
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309
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$racoonconf .= "{\n";
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310
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foreach ($ipmap as $addr) {
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311
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$racoonconf .= "\tisakmp {$addr} [500];\n";
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312
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$racoonconf .= "\tisakmp_natt {$addr} [4500];\n";
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313
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}
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314
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$racoonconf .= "}\n\n";
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315
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}
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316
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317
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/* begin mode_cfg section */
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318
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if (is_array($a_client) && isset($a_client['enable'])) {
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319
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320
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$racoonconf .= "\nmode_cfg\n";
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$racoonconf .= "{\n";
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322
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323
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if ($a_client['user_source'])
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$racoonconf .= "\tauth_source {$a_client['user_source']};\n";
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325
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if ($a_client['group_source'])
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$racoonconf .= "\tgroup_source {$a_client['group_source']};\n";
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327
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328
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if ($a_client['pool_address'] && $a_client['pool_netbits']) {
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$pool_address = $a_client['pool_address'];
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$pool_netmask = gen_subnet_mask($a_client['pool_netbits']);
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332
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$pool_address = long2ip(ip2long($pool_address)+1);
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$pool_size = ~ip2long($pool_netmask) - 2;
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334
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$racoonconf .= "\tpool_size {$pool_size};\n";
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$racoonconf .= "\tnetwork4 {$pool_address};\n";
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$racoonconf .= "\tnetmask4 {$pool_netmask};\n";
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}
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339
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340
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if (isset($a_client['net_list'])) {
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341
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342
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$net_list = '';
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343
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344
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foreach ($a_phase2 as $ph2ent) {
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345
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346
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if (isset($ph2ent['disabled']))
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347
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continue;
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348
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349
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if (!isset($ph2ent['mobile']))
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continue;
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351
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352
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$localid = ipsec_idinfo_to_cidr($ph2ent['localid'],true);
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354
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if ($net_list)
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$net_list .= ", ";
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356
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$net_list .= $localid;
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357
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}
|
|
358
|
|
|
359
|
if ($net_list)
|
|
360
|
$racoonconf .= "\tsplit_network include {$net_list};\n";
|
|
361
|
}
|
|
362
|
|
|
363
|
if ($a_client['dns_server1'])
|
|
364
|
$racoonconf .= "\tdns4 {$a_client['dns_server1']};\n";
|
|
365
|
if ($a_client['dns_server2'])
|
|
366
|
$racoonconf .= "\tdns4 {$a_client['dns_server2']};\n";
|
|
367
|
if ($a_client['dns_server3'])
|
|
368
|
$racoonconf .= "\tdns4 {$a_client['dns_server3']};\n";
|
|
369
|
if ($a_client['dns_server4'])
|
|
370
|
$racoonconf .= "\tdns4 {$a_client['dns_server4']};\n";
|
|
371
|
|
|
372
|
if ($a_client['wins_server1'])
|
|
373
|
$racoonconf .= "\twins4 {$a_client['wins_server1']};\n";
|
|
374
|
if ($a_client['wins_server2'])
|
|
375
|
$racoonconf .= "\twins4 {$a_client['wins_server2']};\n";
|
|
376
|
|
|
377
|
if ($a_client['dns_domain'])
|
|
378
|
$racoonconf .= "\tdefault_domain \"{$a_client['dns_domain']}\";\n";
|
|
379
|
|
|
380
|
if ($a_client['pfs_group'])
|
|
381
|
$racoonconf .= "\tpfs_group {$a_client['pfs_group']};\n";
|
|
382
|
|
|
383
|
if ($a_client['login_banner']) {
|
|
384
|
$fn = "{$g['varetc_path']}/racoon.motd";
|
|
385
|
$fd1 = fopen($fn, "w");
|
|
386
|
if (!$fd1) {
|
|
387
|
printf("Error: cannot open server{$fn} in vpn.\n");
|
|
388
|
return 1;
|
|
389
|
}
|
|
390
|
|
|
391
|
fwrite($fd1, $a_client['login_banner']);
|
|
392
|
fclose($fd1);
|
|
393
|
|
|
394
|
$racoonconf .= "\tbanner \"{$fn}\";\n";
|
|
395
|
}
|
|
396
|
|
|
397
|
$racoonconf .= "}\n\n";
|
|
398
|
}
|
|
399
|
/* end mode_cfg section */
|
|
400
|
|
|
401
|
/* begin remote sections */
|
|
402
|
if (is_array($a_phase1) && count($a_phase1)) {
|
|
403
|
/* begin remote */
|
|
404
|
foreach ($a_phase1 as $ph1ent) {
|
|
405
|
|
|
406
|
if (isset($ph1ent['disabled']))
|
|
407
|
continue;
|
|
408
|
|
|
409
|
if (isset($ph1ent['mobile']) && !isset($a_client['enable']))
|
|
410
|
continue;
|
|
411
|
|
|
412
|
$ikeid = $ph1ent['ikeid'];
|
|
413
|
|
|
414
|
$ep = ipsec_get_phase1_src($ph1ent);
|
|
415
|
if (!$ep)
|
|
416
|
continue;
|
|
417
|
|
|
418
|
if (!isset($ph1ent['mobile'])) {
|
|
419
|
$rgip = $rgmap[$ph1ent['remote-gateway']];
|
|
420
|
if (!$rgip)
|
|
421
|
continue;
|
|
422
|
}
|
|
423
|
|
|
424
|
$myid_type = $ph1ent['myid_type'];
|
|
425
|
|
|
426
|
switch ($myid_type) {
|
|
427
|
|
|
428
|
case "myaddress":
|
|
429
|
$myid_type = "address";
|
|
430
|
$myid_data = $ep;
|
|
431
|
break;
|
|
432
|
|
|
433
|
case "dyn_dns":
|
|
434
|
$myid_data = gethostbyname($ph1ent['myid_data']);
|
|
435
|
break;
|
|
436
|
|
|
437
|
case "address";
|
|
438
|
$myid_data = $ph1ent['myid_data'];
|
|
439
|
break;
|
|
440
|
|
|
441
|
case "fqdn";
|
|
442
|
case "keyid tag";
|
|
443
|
case "user_fqdn";
|
|
444
|
case "asn1dn";
|
|
445
|
$myid_data = $ph1ent['myid_data'];
|
|
446
|
if( $myid_data )
|
|
447
|
$myid_data = "\"".$myid_data."\"";
|
|
448
|
break;
|
|
449
|
}
|
|
450
|
|
|
451
|
$peerid_type = $ph1ent['peerid_type'];
|
|
452
|
|
|
453
|
switch ($peerid_type) {
|
|
454
|
case "peeraddress":
|
|
455
|
$peerid_type = "address";
|
|
456
|
$peerid_data = $rgip;
|
|
457
|
break;
|
|
458
|
|
|
459
|
case "address";
|
|
460
|
$peerid_data = $ph1ent['peerid_data'];
|
|
461
|
break;
|
|
462
|
|
|
463
|
case "fqdn";
|
|
464
|
case "keyid tag";
|
|
465
|
case "user_fqdn";
|
|
466
|
case "asn1dn";
|
|
467
|
$peerid_data = $ph1ent['peerid_data'];
|
|
468
|
if( $peerid_data )
|
|
469
|
$peerid_data = "\"".$peerid_data."\"";
|
|
470
|
break;
|
|
471
|
}
|
|
472
|
|
|
473
|
$natt = "off";
|
|
474
|
if (isset($ph1ent['nat_traversal']))
|
|
475
|
$natt = $ph1ent['nat_traversal'];
|
|
476
|
|
|
477
|
$init = "on";
|
|
478
|
$genp = "off";
|
|
479
|
if (isset($ph1ent['mobile'])) {
|
|
480
|
$rgip = "anonymous";
|
|
481
|
$init = "off";
|
|
482
|
$genp = "unique";
|
|
483
|
}
|
|
484
|
|
|
485
|
$dpdline1 = '';
|
|
486
|
$dpdline2 = '';
|
|
487
|
if ($ph1ent['dpd_delay'] && $ph1ent['dpd_maxfail']) {
|
|
488
|
$dpdline1 = "dpd_delay = {$ph1ent['dpd_delay']};";
|
|
489
|
$dpdline2 = "dpd_maxfail = {$ph1ent['dpd_maxfail']};";
|
|
490
|
}
|
|
491
|
|
|
492
|
if (isset ($ph1ent['authentication_method']))
|
|
493
|
$authmethod = $ph1ent['authentication_method'];
|
|
494
|
else
|
|
495
|
$authmethod = 'pre_shared_key';
|
|
496
|
|
|
497
|
$certline = '';
|
|
498
|
|
|
499
|
if (strstr($authmethod,'rsa')) {
|
|
500
|
if ($ph1ent['cert'] && $ph1ent['private-key']) {
|
|
501
|
$cert = base64_decode($ph1ent['cert']);
|
|
502
|
$private_key = base64_decode($ph1ent['private-key']);
|
|
503
|
} else {
|
|
504
|
/* null certificate/key */
|
|
505
|
$cert = '';
|
|
506
|
$private_key = '';
|
|
507
|
}
|
|
508
|
|
|
509
|
if ($ph1ent['peercert'])
|
|
510
|
$peercert = base64_decode($ph1ent['peercert']);
|
|
511
|
else
|
|
512
|
$peercert = '';
|
|
513
|
|
|
514
|
$fd1 = fopen("{$g['varetc_path']}/server{$ikeid}-signed.pem", "w");
|
|
515
|
if (!$fd1) {
|
|
516
|
printf("Error: cannot open server{$ikeid}-signed.pem in vpn.\n");
|
|
517
|
return 1;
|
|
518
|
}
|
|
519
|
|
|
520
|
chmod("{$g['varetc_path']}/server{$ikeid}-signed.pem", 0600);
|
|
521
|
fwrite($fd1, $cert);
|
|
522
|
fclose($fd1);
|
|
523
|
|
|
524
|
$fd1 = fopen("{$g['varetc_path']}/server{$ikeid}-key.pem", "w");
|
|
525
|
if (!$fd1) {
|
|
526
|
printf("Error: cannot open server{$ikeid}-key.pem in vpn.\n");
|
|
527
|
return 1;
|
|
528
|
}
|
|
529
|
chmod("{$g['varetc_path']}/server{$ikeid}-key.pem", 0600);
|
|
530
|
fwrite($fd1, $private_key);
|
|
531
|
fclose($fd1);
|
|
532
|
|
|
533
|
$certline = "certificate_type x509 \"server{$ikeid}-signed.pem\" \"server{$ikeid}-key.pem\";";
|
|
534
|
|
|
535
|
if ($peercert != '') {
|
|
536
|
$fd1 = fopen("{$g['varetc_path']}/peer{$ikeid}-signed.pem", "w");
|
|
537
|
if (!$fd1) {
|
|
538
|
printf("Error: cannot open server{$ikeid}-signed.pem in vpn.\n");
|
|
539
|
return 1;
|
|
540
|
}
|
|
541
|
chmod("{$g['varetc_path']}/peer{$ikeid}-signed.pem", 0600);
|
|
542
|
fwrite($fd1, $peercert);
|
|
543
|
fclose($fd1);
|
|
544
|
$certline .="peers_certfile \"peer{$ikeid}-signed.pem\"";
|
|
545
|
}
|
|
546
|
}
|
|
547
|
|
|
548
|
$ealgos = '';
|
|
549
|
$ealg_id = $ph1ent['encryption-algorithm']['name'];
|
|
550
|
$ealg_kl = $ph1ent['encryption-algorithm']['keylen'];
|
|
551
|
if ($ealg_kl)
|
|
552
|
$ealgos = $ealgos.$ealg_id." ".$ealg_kl;
|
|
553
|
else
|
|
554
|
$ealgos = $ealgos.$ealg_id;
|
|
555
|
|
|
556
|
$lifeline = '';
|
|
557
|
if ($ph1ent['lifetime'])
|
|
558
|
$lifeline = "lifetime time {$ph1ent['lifetime']} secs;";
|
|
559
|
|
|
560
|
/* add remote section to configuration */
|
|
561
|
|
|
562
|
$racoonconf .=<<<EOD
|
|
563
|
|
|
564
|
remote {$rgip}
|
|
565
|
{
|
|
566
|
ph1id {$ikeid};
|
|
567
|
exchange_mode {$ph1ent['mode']};
|
|
568
|
my_identifier {$myid_type} {$myid_data};
|
|
569
|
peers_identifier {$peerid_type} {$peerid_data};
|
|
570
|
ike_frag on;
|
|
571
|
generate_policy = {$genp};
|
|
572
|
initial_contact = {$init};
|
|
573
|
nat_traversal = {$natt};
|
|
574
|
{$certline}
|
|
575
|
{$dpdline1}
|
|
576
|
{$dpdline2}
|
|
577
|
support_proxy on;
|
|
578
|
proposal_check claim;
|
|
579
|
|
|
580
|
proposal
|
|
581
|
{
|
|
582
|
authentication_method {$authmethod};
|
|
583
|
encryption_algorithm ${ealgos};
|
|
584
|
hash_algorithm {$ph1ent['hash-algorithm']};
|
|
585
|
dh_group {$ph1ent['dhgroup']};
|
|
586
|
${lifeline}
|
|
587
|
}
|
|
588
|
}
|
|
589
|
|
|
590
|
EOD;
|
|
591
|
}
|
|
592
|
/* end remote */
|
|
593
|
}
|
|
594
|
/* end remote sections */
|
|
595
|
|
|
596
|
/* begin sainfo sections */
|
|
597
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
598
|
|
|
599
|
/* begin sainfo */
|
|
600
|
foreach ($a_phase2 as $ph2ent) {
|
|
601
|
|
|
602
|
$ikeid = $ph2ent['ikeid'];
|
|
603
|
|
|
604
|
if (isset($ph2ent['disabled']))
|
|
605
|
continue;
|
|
606
|
|
|
607
|
if (isset($ph2ent['mobile']) && !isset($a_client['enable']))
|
|
608
|
continue;
|
|
609
|
|
|
610
|
$localid_type = $ph2ent['localid']['type'];
|
|
611
|
if ($localid_type != "address")
|
|
612
|
$localid_type = "subnet";
|
|
613
|
|
|
614
|
$localid_data = ipsec_idinfo_to_cidr($ph2ent['localid']);
|
|
615
|
$localid_spec = $localid_type." ".$localid_data." any";
|
|
616
|
|
|
617
|
if (!isset($ph2ent['mobile'])) {
|
|
618
|
|
|
619
|
$remoteid_type = $ph2ent['remoteid']['type'];
|
|
620
|
if ($remoteid_type != "address")
|
|
621
|
$remoteid_type = "subnet";
|
|
622
|
|
|
623
|
$remoteid_data = ipsec_idinfo_to_cidr($ph2ent['remoteid']);
|
|
624
|
$remoteid_spec = $remoteid_type." ".$remoteid_data." any";
|
|
625
|
|
|
626
|
} else
|
|
627
|
$remoteid_spec = "anonymous";
|
|
628
|
|
|
629
|
$ealgos = '';
|
|
630
|
$halgos = join(",", $ph2ent['hash-algorithm-option']);
|
|
631
|
|
|
632
|
$pfsline = '';
|
|
633
|
if ($ph2ent['pfsgroup'])
|
|
634
|
$pfsline = "pfs_group {$ph2ent['pfsgroup']};";
|
|
635
|
if (isset($a_client['pfs_group'])) {
|
|
636
|
$pfsline = '';
|
|
637
|
if ($a_client['pfs_group'])
|
|
638
|
$pfsline = "pfs_group {$a_client['pfs_group']};";
|
|
639
|
}
|
|
640
|
|
|
641
|
$lifeline = '';
|
|
642
|
if ($ph2ent['lifetime'])
|
|
643
|
$lifeline = "lifetime time {$ph2ent['lifetime']} secs;";
|
|
644
|
|
|
645
|
foreach ($ph2ent['encryption-algorithm-option'] as $ealg) {
|
|
646
|
|
|
647
|
$ealg_id = $ealg['name'];
|
|
648
|
$ealg_kl = $ealg['keylen'];
|
|
649
|
|
|
650
|
if ($ealg_kl) {
|
|
651
|
if( $ealg_kl == "auto" ) {
|
|
652
|
$key_hi = $p2_ealgos[$ealg_id]['keysel']['hi'];
|
|
653
|
$key_lo = $p2_ealgos[$ealg_id]['keysel']['lo'];
|
|
654
|
$key_step = $p2_ealgos[$ealg_id]['keysel']['step'];
|
|
655
|
|
|
656
|
for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step) {
|
|
657
|
if( $ealgos )
|
|
658
|
$ealgos = $ealgos.", ";
|
|
659
|
$ealgos = $ealgos.$ealg_id." ".$keylen;
|
|
660
|
}
|
|
661
|
} else {
|
|
662
|
if ($ealgos)
|
|
663
|
$ealgos = $ealgos.", ";
|
|
664
|
$ealgos = $ealgos.$ealg_id." ".$ealg_kl;
|
|
665
|
}
|
|
666
|
} else {
|
|
667
|
if ($ealgos)
|
|
668
|
$ealgos = $ealgos.", ";
|
|
669
|
$ealgos = $ealgos.$ealg_id;
|
|
670
|
}
|
|
671
|
}
|
|
672
|
|
|
673
|
/* add sainfo section to configuration */
|
|
674
|
|
|
675
|
$racoonconf .=<<<EOD
|
|
676
|
|
|
677
|
sainfo {$localid_spec} {$remoteid_spec}
|
|
678
|
{
|
|
679
|
remoteid {$ikeid};
|
|
680
|
encryption_algorithm {$ealgos};
|
|
681
|
authentication_algorithm {$halgos};
|
|
682
|
compression_algorithm deflate;
|
|
683
|
{$pfsline}
|
|
684
|
{$lifeline}
|
|
685
|
}
|
|
686
|
|
|
687
|
EOD;
|
|
688
|
}
|
|
689
|
/* end sainfo */
|
|
690
|
}
|
|
691
|
/* end sainfo sections */
|
|
692
|
|
|
693
|
fwrite($fd, $racoonconf);
|
|
694
|
fclose($fd);
|
|
695
|
}
|
|
696
|
/* end racoon.conf */
|
|
697
|
|
|
698
|
/* generate IPsec policies */
|
|
699
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
700
|
/* generate spd.conf */
|
|
701
|
$fd = fopen("{$g['varetc_path']}/spd.conf", "w");
|
|
702
|
if (!$fd) {
|
|
703
|
printf("Error: cannot open spd.conf in vpn_ipsec_configure().\n");
|
|
704
|
return 1;
|
|
705
|
}
|
|
706
|
|
|
707
|
$spdconf = "";
|
|
708
|
|
|
709
|
/* What are these SPD entries for?
|
|
710
|
* -mgrooms 07/10/2008
|
|
711
|
*/
|
|
712
|
$spdconf .= "spdadd {$lanip}/32 {$lansa}/{$lansn} any -P out none;\n";
|
|
713
|
$spdconf .= "spdadd {$lansa}/{$lansn} {$lanip}/32 any -P in none;\n";
|
|
714
|
|
|
715
|
foreach ($a_phase2 as $ph2ent) {
|
|
716
|
|
|
717
|
if( !ipsec_lookup_phase1($ph2ent,$ph1ent))
|
|
718
|
continue;
|
|
719
|
|
|
720
|
if (isset($ph1ent['mobile']))
|
|
721
|
continue;
|
|
722
|
|
|
723
|
if (isset($ph1ent['disabled']))
|
|
724
|
continue;
|
|
725
|
|
|
726
|
if (isset($ph2ent['disabled']))
|
|
727
|
continue;
|
|
728
|
|
|
729
|
$ep = ipsec_get_phase1_src($ph1ent);
|
|
730
|
if (!$ep)
|
|
731
|
continue;
|
|
732
|
|
|
733
|
$rgip = $rgmap[$ph1ent['remote-gateway']];
|
|
734
|
|
|
735
|
$localid = ipsec_idinfo_to_cidr($ph2ent['localid'],true);
|
|
736
|
$remoteid = ipsec_idinfo_to_cidr($ph2ent['remoteid'],true);
|
|
737
|
|
|
738
|
if (isset ($ph2ent['creategif'])) {
|
|
739
|
$number_of_gifs = find_last_gif_device();
|
|
740
|
$number_of_gifs++;
|
|
741
|
$curwanip = get_interface_ip();
|
|
742
|
if ($config['installedpackages']['sasyncd']['config'] <> "") {
|
|
743
|
foreach ($config['installedpackages']['sasyncd']['config'] as $sasyncd) {
|
|
744
|
if ($sasyncd['ip'] <> "")
|
|
745
|
$curwanip = $sasyncd['ip'];
|
|
746
|
}
|
|
747
|
}
|
|
748
|
mwexec("/sbin/ifconfig gif" . $number_of_gifs . " tunnel" . $curwanip . " " . $rgip);
|
|
749
|
mwexec("/sbin/ifconfig gif" . $number_of_gifs . " {$lansa}/{$lansn} {$lanip}/32");
|
|
750
|
}
|
|
751
|
|
|
752
|
$spdconf .= "spdadd {$localid} {$remoteid} any -P out ipsec " .
|
|
753
|
"{$ph2ent['protocol']}/tunnel/{$ep}-{$rgip}/unique;\n";
|
|
754
|
|
|
755
|
$spdconf .= "spdadd {$remoteid} {$localid} any -P in ipsec " .
|
|
756
|
"{$ph2ent['protocol']}/tunnel/{$rgip}-{$ep}/unique;\n";
|
|
757
|
|
|
758
|
/* static route needed? */
|
|
759
|
if (preg_match("/^carp/i", $ph1ent['interface']))
|
|
760
|
$parentinterface = link_carp_interface_to_parent($ph1ent['interface']);
|
|
761
|
else
|
|
762
|
$parentinterface = $ph1ent['interface'];
|
|
763
|
|
|
764
|
if ($parentinterface <> "wan") {
|
|
765
|
/* add endpoint routes to correct gateway on interface */
|
|
766
|
if (interface_has_gateway($parentinterface)) {
|
|
767
|
$gatewayip = get_interface_gateway("$parentinterface");
|
|
768
|
$interfaceip = $config['interfaces'][$parentinterface]['ipaddr'];
|
|
769
|
$subnet_bits = $config['interfaces'][$parentinterface]['subnet'];
|
|
770
|
$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
|
|
771
|
/* if the remote gateway is in the local subnet, then don't add a route */
|
|
772
|
if (! ip_in_subnet($rgip, "{$subnet_ip}/{$subnet_bits}")) {
|
|
773
|
if(is_ipaddr($gatewayip)) {
|
|
774
|
log_error("IPSEC interface is not WAN but {$parentinterface}, adding static route for VPN endpoint {$rgip} via {$gatewayip}");
|
|
775
|
mwexec("/sbin/route delete -host {$rgip}");
|
|
776
|
mwexec("/sbin/route add -host {$rgip} {$gatewayip}");
|
|
777
|
}
|
|
778
|
}
|
|
779
|
}
|
|
780
|
}
|
|
781
|
else
|
|
782
|
{
|
|
783
|
if(stristr($route_str, "/{$rgip}/")) {
|
|
784
|
mwexec("/sbin/route delete -host {$rgip}");
|
|
785
|
}
|
|
786
|
}
|
|
787
|
}
|
|
788
|
|
|
789
|
fwrite($fd, $spdconf);
|
|
790
|
fclose($fd);
|
|
791
|
}
|
|
792
|
|
|
793
|
/* needed for racoonctl admin socket */
|
|
794
|
if (!file_exists("/var/db/racoon"))
|
|
795
|
mkdir("/var/db/racoon/");
|
|
796
|
|
|
797
|
/* mange racoon process */
|
|
798
|
if (is_process_running("racoon")) {
|
|
799
|
/* We are already online, reload */
|
|
800
|
mwexec("/usr/bin/killall -HUP racoon", true);
|
|
801
|
/* flush SPD entries */
|
|
802
|
mwexec("/usr/local/sbin/setkey -FP");
|
|
803
|
mwexec("/usr/local/sbin/setkey -F");
|
|
804
|
/* load SPD */
|
|
805
|
mwexec("/usr/local/sbin/setkey -f {$g['varetc_path']}/spd.conf");
|
|
806
|
/* We are already online, reload */
|
|
807
|
mwexec("/usr/bin/killall -HUP racoon", true);
|
|
808
|
} else {
|
|
809
|
/* start racoon */
|
|
810
|
mwexec("/usr/local/sbin/racoon -f {$g['varetc_path']}/racoon.conf");
|
|
811
|
/* flush SA + SPD entries */
|
|
812
|
mwexec("/usr/local/sbin/setkey -FP");
|
|
813
|
mwexec("/usr/local/sbin/setkey -F");
|
|
814
|
/* load SPD */
|
|
815
|
mwexec("/usr/local/sbin/setkey -f {$g['varetc_path']}/spd.conf");
|
|
816
|
/* We are already online, reload */
|
|
817
|
mwexec("/usr/bin/killall -HUP racoon", true);
|
|
818
|
|
|
819
|
/* start dnswatch, if necessary */
|
|
820
|
if (count($dnswatch_list) > 0) {
|
|
821
|
$interval = 60;
|
|
822
|
if ($ipseccfg['dns-interval'])
|
|
823
|
$interval = $ipseccfg['dns-interval'];
|
|
824
|
|
|
825
|
$hostnames = "";
|
|
826
|
foreach ($dnswatch_list as $dns)
|
|
827
|
$hostnames .= " " . escapeshellarg($dns);
|
|
828
|
|
|
829
|
mwexec("/usr/local/bin/dnswatch {$g['varrun_path']}/dnswatch-ipsec.pid $interval " .
|
|
830
|
escapeshellarg("/etc/rc.newipsecdns") . $hostname);
|
|
831
|
}
|
|
832
|
}
|
|
833
|
}
|
|
834
|
|
|
835
|
vpn_ipsec_failover_configure();
|
|
836
|
|
|
837
|
if (!$g['booting']) {
|
|
838
|
/* reload the filter */
|
|
839
|
touch("{$g["tmp_path"]}/filter_dirty");
|
|
840
|
}
|
|
841
|
|
|
842
|
if ($g['booting'])
|
|
843
|
echo "done\n";
|
|
844
|
|
|
845
|
return 0;
|
|
846
|
}
|
|
847
|
|
|
848
|
/* Forcefully restart IPsec
|
|
849
|
* This is required for when dynamic interfaces reload
|
|
850
|
* For all other occasions the normal vpn_ipsec_configure()
|
|
851
|
* will gracefully reload the settings without restarting
|
|
852
|
*/
|
|
853
|
function vpn_ipsec_force_reload() {
|
|
854
|
global $config;
|
|
855
|
global $g;
|
|
856
|
|
|
857
|
$ipseccfg = $config['ipsec'];
|
|
858
|
|
|
859
|
/* kill racoon */
|
|
860
|
mwexec("/usr/bin/killall racoon", true);
|
|
861
|
|
|
862
|
/* wait for process to die */
|
|
863
|
sleep(4);
|
|
864
|
|
|
865
|
/* send a SIGKILL to be sure */
|
|
866
|
sigkillbypid("{$g['varrun_path']}/racoon.pid", "KILL");
|
|
867
|
|
|
868
|
/* wait for flushing to finish */
|
|
869
|
sleep(1);
|
|
870
|
|
|
871
|
/* if ipsec is enabled, start up again */
|
|
872
|
if (isset($ipseccfg['enable'])) {
|
|
873
|
log_error("Forcefully reloading IPsec racoon daemon");
|
|
874
|
vpn_ipsec_configure();
|
|
875
|
}
|
|
876
|
|
|
877
|
}
|
|
878
|
|
|
879
|
/* master setup for vpn (mpd) */
|
|
880
|
function vpn_setup() {
|
|
881
|
/* start pptpd */
|
|
882
|
vpn_pptpd_configure();
|
|
883
|
|
|
884
|
/* start pppoe server */
|
|
885
|
vpn_pppoe_configure();
|
|
886
|
|
|
887
|
/* setup l2tp */
|
|
888
|
vpn_l2tp_configure();
|
|
889
|
}
|
|
890
|
|
|
891
|
function vpn_pptpd_configure() {
|
|
892
|
global $config, $g;
|
|
893
|
|
|
894
|
$syscfg = $config['system'];
|
|
895
|
$pptpdcfg = $config['pptpd'];
|
|
896
|
|
|
897
|
if ($g['booting']) {
|
|
898
|
if (!$pptpdcfg['mode'] || ($pptpdcfg['mode'] == "off"))
|
|
899
|
return 0;
|
|
900
|
|
|
901
|
echo "Configuring PPTP VPN service... ";
|
|
902
|
} else {
|
|
903
|
/* kill mpd */
|
|
904
|
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
|
|
905
|
|
|
906
|
/* wait for process to die */
|
|
907
|
sleep(3);
|
|
908
|
|
|
909
|
if (is_process_running("mpd -b")) {
|
|
910
|
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
|
|
911
|
log_error("Could not kill mpd within 3 seconds. Trying again.");
|
|
912
|
}
|
|
913
|
|
|
914
|
/* remove mpd.conf, if it exists */
|
|
915
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.conf");
|
|
916
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.links");
|
|
917
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.secret");
|
|
918
|
}
|
|
919
|
|
|
920
|
/* make sure pptp-vpn directory exists */
|
|
921
|
if (!file_exists("{$g['varetc_path']}/pptp-vpn"))
|
|
922
|
mkdir("{$g['varetc_path']}/pptp-vpn");
|
|
923
|
|
|
924
|
switch ($pptpdcfg['mode']) {
|
|
925
|
case 'server' :
|
|
926
|
/* write mpd.conf */
|
|
927
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.conf", "w");
|
|
928
|
if (!$fd) {
|
|
929
|
printf("Error: cannot open mpd.conf in vpn_pptpd_configure().\n");
|
|
930
|
return 1;
|
|
931
|
}
|
|
932
|
|
|
933
|
$mpdconf =<<<EOD
|
|
934
|
pptpd:
|
|
935
|
|
|
936
|
EOD;
|
|
937
|
|
|
938
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
|
939
|
$mpdconf .= " load pt{$i}\n";
|
|
940
|
}
|
|
941
|
|
|
942
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
|
943
|
|
|
944
|
$clientip = long2ip(ip2long($pptpdcfg['remoteip']) + $i);
|
|
945
|
|
|
946
|
if(isset($pptpdcfg['radius']['radiusissueips']) && isset($pptpdcfg['radius']['enable'])) {
|
|
947
|
$isssue_ip_type = "set ipcp ranges {$pptpdcfg['localip']}/32 0.0.0.0/0";
|
|
948
|
$isssue_ip_type .="\n\tset ipcp yes radius-ip";
|
|
949
|
} else {
|
|
950
|
$isssue_ip_type = "set ipcp ranges {$pptpdcfg['localip']}/32 {$clientip}/32";
|
|
951
|
}
|
|
952
|
|
|
953
|
$mpdconf .=<<<EOD
|
|
954
|
|
|
955
|
pt{$i}:
|
|
956
|
new pt{$i} pt{$i}
|
|
957
|
{$isssue_ip_type}
|
|
958
|
load pts
|
|
959
|
|
|
960
|
EOD;
|
|
961
|
}
|
|
962
|
|
|
963
|
$mpdconf .=<<<EOD
|
|
964
|
|
|
965
|
pts:
|
|
966
|
set iface disable on-demand
|
|
967
|
set iface enable proxy-arp
|
|
968
|
set iface enable tcpmssfix
|
|
969
|
set iface idle 1800
|
|
970
|
set iface up-script /usr/local/sbin/pptp-linkup
|
|
971
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
972
|
set bundle enable multilink
|
|
973
|
set bundle enable crypt-reqd
|
|
974
|
set link yes acfcomp protocomp
|
|
975
|
set link no pap chap
|
|
976
|
set link enable chap-msv2
|
|
977
|
set link mtu 1460
|
|
978
|
set link keep-alive 10 60
|
|
979
|
set ipcp yes vjcomp
|
|
980
|
set bundle enable compression
|
|
981
|
set ccp yes mppc
|
|
982
|
set ccp yes mpp-e128
|
|
983
|
set ccp yes mpp-stateless
|
|
984
|
|
|
985
|
EOD;
|
|
986
|
|
|
987
|
if (!isset ($pptpdcfg['req128'])) {
|
|
988
|
$mpdconf .=<<<EOD
|
|
989
|
set ccp yes mpp-e40
|
|
990
|
set ccp yes mpp-e56
|
|
991
|
|
|
992
|
EOD;
|
|
993
|
}
|
|
994
|
|
|
995
|
if (isset($pptpdcfg["wins"]))
|
|
996
|
$mpdconf .= " set ipcp nbns {$pptpdcfg['wins']}\n";
|
|
997
|
if (is_array($pptpdcfg['dnsserver']) && ($pptpdcfg['dnsserver'][0])) {
|
|
998
|
$mpdconf .= " set ipcp dns " . join(" ", $pptpdcfg['dnsserver']) . "\n";
|
|
999
|
} else
|
|
1000
|
if (isset ($config['dnsmasq']['enable'])) {
|
|
1001
|
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
|
|
1002
|
if ($syscfg['dnsserver'][0])
|
|
1003
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1004
|
$mpdconf .= "\n";
|
|
1005
|
} else
|
|
1006
|
if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1007
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1008
|
}
|
|
1009
|
|
|
1010
|
if (isset ($pptpdcfg['radius']['enable'])) {
|
|
1011
|
$authport = isset($pptpdcfg['radius']['port']) ? $pptpdcfg['radius']['port'] : 1812;
|
|
1012
|
$acctport = $authport + 1;
|
|
1013
|
$mpdconf .=<<<EOD
|
|
1014
|
set radius server {$pptpdcfg['radius']['server']} "{$pptpdcfg['radius']['secret']}" {$authport} {$acctport}
|
|
1015
|
set radius retries 3
|
|
1016
|
set radius timeout 10
|
|
1017
|
set bundle enable radius-auth
|
|
1018
|
set bundle disable radius-fallback
|
|
1019
|
|
|
1020
|
EOD;
|
|
1021
|
|
|
1022
|
if (isset ($pptpdcfg['radius']['accounting'])) {
|
|
1023
|
$mpdconf .=<<<EOD
|
|
1024
|
set bundle enable radius-acct
|
|
1025
|
set radius acct-update 300
|
|
1026
|
|
|
1027
|
EOD;
|
|
1028
|
}
|
|
1029
|
}
|
|
1030
|
|
|
1031
|
fwrite($fd, $mpdconf);
|
|
1032
|
fclose($fd);
|
|
1033
|
|
|
1034
|
/* write mpd.links */
|
|
1035
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.links", "w");
|
|
1036
|
if (!$fd) {
|
|
1037
|
printf("Error: cannot open mpd.links in vpn_pptpd_configure().\n");
|
|
1038
|
return 1;
|
|
1039
|
}
|
|
1040
|
|
|
1041
|
$mpdlinks = "";
|
|
1042
|
|
|
1043
|
for ($i = 0; $i < $g['n_pptp_units']; $i++) {
|
|
1044
|
$mpdlinks .=<<<EOD
|
|
1045
|
|
|
1046
|
pt{$i}:
|
|
1047
|
set link type pptp
|
|
1048
|
set pptp enable incoming
|
|
1049
|
set pptp disable originate
|
|
1050
|
set pptp disable windowing
|
|
1051
|
set pptp self 127.0.0.1
|
|
1052
|
|
|
1053
|
EOD;
|
|
1054
|
}
|
|
1055
|
|
|
1056
|
fwrite($fd, $mpdlinks);
|
|
1057
|
fclose($fd);
|
|
1058
|
|
|
1059
|
/* write mpd.secret */
|
|
1060
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.secret", "w");
|
|
1061
|
if (!$fd) {
|
|
1062
|
printf("Error: cannot open mpd.secret in vpn_pptpd_configure().\n");
|
|
1063
|
return 1;
|
|
1064
|
}
|
|
1065
|
|
|
1066
|
$mpdsecret = "";
|
|
1067
|
|
|
1068
|
if (is_array($pptpdcfg['user'])) {
|
|
1069
|
foreach ($pptpdcfg['user'] as $user)
|
|
1070
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
|
1071
|
}
|
|
1072
|
|
|
1073
|
fwrite($fd, $mpdsecret);
|
|
1074
|
fclose($fd);
|
|
1075
|
chmod("{$g['varetc_path']}/pptp-vpn/mpd.secret", 0600);
|
|
1076
|
|
|
1077
|
/* fire up mpd */
|
|
1078
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pptp-vpn -p {$g['varrun_path']}/pptp-vpn.pid -f mpd.conf pptpd");
|
|
1079
|
|
|
1080
|
break;
|
|
1081
|
|
|
1082
|
case 'redir' :
|
|
1083
|
break;
|
|
1084
|
}
|
|
1085
|
|
|
1086
|
if (!$g['booting']) {
|
|
1087
|
/* reload the filter */
|
|
1088
|
filter_configure();
|
|
1089
|
}
|
|
1090
|
|
|
1091
|
if ($g['booting'])
|
|
1092
|
echo "done\n";
|
|
1093
|
|
|
1094
|
return 0;
|
|
1095
|
}
|
|
1096
|
|
|
1097
|
function vpn_pppoe_configure() {
|
|
1098
|
global $config, $g;
|
|
1099
|
|
|
1100
|
$syscfg = $config['system'];
|
|
1101
|
$pppoecfg = $config['pppoe'];
|
|
1102
|
|
|
1103
|
/* create directory if it does not exist */
|
|
1104
|
if (!is_dir("{$g['varetc_path']}/pppoe-vpn"))
|
|
1105
|
mkdir("{$g['varetc_path']}/pppoe-vpn");
|
|
1106
|
|
|
1107
|
if ($g['booting']) {
|
|
1108
|
if (!$pppoecfg['mode'] || ($pppoecfg['mode'] == "off"))
|
|
1109
|
return 0;
|
|
1110
|
|
|
1111
|
echo "Configuring PPPoE VPN service... ";
|
|
1112
|
} else {
|
|
1113
|
/* kill mpd */
|
|
1114
|
killbypid("{$g['varrun_path']}/pppoe-vpn.pid");
|
|
1115
|
|
|
1116
|
/* wait for process to die */
|
|
1117
|
sleep(2);
|
|
1118
|
|
|
1119
|
}
|
|
1120
|
|
|
1121
|
/* make sure pppoe-vpn directory exists */
|
|
1122
|
if (!file_exists("{$g['varetc_path']}/pppoe-vpn"))
|
|
1123
|
mkdir("{$g['varetc_path']}/pppoe-vpn");
|
|
1124
|
|
|
1125
|
switch ($pppoecfg['mode']) {
|
|
1126
|
|
|
1127
|
case 'server' :
|
|
1128
|
|
|
1129
|
$pppoe_interface = filter_translate_type_to_real_interface($pppoecfg['interface']);
|
|
1130
|
|
|
1131
|
if ($pppoecfg['paporchap'] == "chap")
|
|
1132
|
$paporchap = "set link enable chap";
|
|
1133
|
else
|
|
1134
|
$paporchap = "set link enable pap";
|
|
1135
|
|
|
1136
|
/* write mpd.conf */
|
|
1137
|
$fd = fopen("{$g['varetc_path']}/pppoe-vpn/mpd.conf", "w");
|
|
1138
|
if (!$fd) {
|
|
1139
|
printf("Error: cannot open mpd.conf in vpn_pppoe_configure().\n");
|
|
1140
|
return 1;
|
|
1141
|
}
|
|
1142
|
$mpdconf = "\n\n";
|
|
1143
|
$mpdconf .=<<<EOD
|
|
1144
|
pppoe:
|
|
1145
|
|
|
1146
|
EOD;
|
|
1147
|
|
|
1148
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1149
|
$mpdconf .= " load pppoe{$i}\n";
|
|
1150
|
}
|
|
1151
|
|
|
1152
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1153
|
|
|
1154
|
$clientip = long2ip(ip2long($pppoecfg['remoteip']) + $i);
|
|
1155
|
|
|
1156
|
if (isset ($pppoecfg['radius']['radiusissueips']) && isset ($pppoecfg['radius']['enable'])) {
|
|
1157
|
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 0.0.0.0/0";
|
|
1158
|
$isssue_ip_type .= "\n\tset ipcp yes radius-ip";
|
|
1159
|
} else {
|
|
1160
|
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 {$clientip}/32";
|
|
1161
|
}
|
|
1162
|
|
|
1163
|
$mpdconf .=<<<EOD
|
|
1164
|
|
|
1165
|
pppoe{$i}:
|
|
1166
|
new pppoe{$i} pppoe{$i}
|
|
1167
|
{$isssue_ip_type}
|
|
1168
|
load pppoe_standart
|
|
1169
|
|
|
1170
|
EOD;
|
|
1171
|
}
|
|
1172
|
|
|
1173
|
$mpdconf .=<<<EOD
|
|
1174
|
|
|
1175
|
pppoe_standart:
|
|
1176
|
set bundle no multilink
|
|
1177
|
set bundle enable compression
|
|
1178
|
set auth max-logins 1
|
|
1179
|
set iface up-script /usr/local/sbin/pppoe-linkup
|
|
1180
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
1181
|
set iface idle 0
|
|
1182
|
set iface disable on-demand
|
|
1183
|
set iface disable proxy-arp
|
|
1184
|
set iface enable tcpmssfix
|
|
1185
|
set iface mtu 1500
|
|
1186
|
set link no pap chap
|
|
1187
|
{$paporchap}
|
|
1188
|
set link keep-alive 60 180
|
|
1189
|
set ipcp yes vjcomp
|
|
1190
|
set ipcp no vjcomp
|
|
1191
|
set link max-redial -1
|
|
1192
|
set link mtu 1492
|
|
1193
|
set link mru 1492
|
|
1194
|
set ccp yes mpp-e40
|
|
1195
|
set ccp yes mpp-e128
|
|
1196
|
set ccp yes mpp-stateless
|
|
1197
|
set link latency 1
|
|
1198
|
#set ipcp dns 10.10.1.3
|
|
1199
|
#set bundle accept encryption
|
|
1200
|
|
|
1201
|
EOD;
|
|
1202
|
|
|
1203
|
if (isset ($config['dnsmasq']['enable'])) {
|
|
1204
|
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
|
|
1205
|
if ($syscfg['dnsserver'][0])
|
|
1206
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1207
|
$mpdconf .= "\n";
|
|
1208
|
} else
|
|
1209
|
if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1210
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1211
|
}
|
|
1212
|
|
|
1213
|
if (isset ($pppoecfg['radius']['enable'])) {
|
|
1214
|
$mpdconf .=<<<EOD
|
|
1215
|
set radius server {$pppoecfg['radius']['server']} "{$pppoecfg['radius']['secret']}"
|
|
1216
|
set ipcp radius-ip
|
|
1217
|
set radius retries 3
|
|
1218
|
set radius timeout 10
|
|
1219
|
set bundle enable radius-auth
|
|
1220
|
set bundle disable radius-fallback
|
|
1221
|
|
|
1222
|
EOD;
|
|
1223
|
|
|
1224
|
if (isset ($pppoecfg['radius']['accounting'])) {
|
|
1225
|
$mpdconf .=<<<EOD
|
|
1226
|
set bundle enable radius-acct
|
|
1227
|
|
|
1228
|
EOD;
|
|
1229
|
}
|
|
1230
|
}
|
|
1231
|
|
|
1232
|
fwrite($fd, $mpdconf);
|
|
1233
|
fclose($fd);
|
|
1234
|
|
|
1235
|
/* write mpd.links */
|
|
1236
|
$fd = fopen("{$g['varetc_path']}/pppoe-vpn/mpd.links", "w");
|
|
1237
|
if (!$fd) {
|
|
1238
|
printf("Error: cannot open mpd.links in vpn_pppoe_configure().\n");
|
|
1239
|
return 1;
|
|
1240
|
}
|
|
1241
|
|
|
1242
|
$mpdlinks = "";
|
|
1243
|
|
|
1244
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1245
|
$mpdlinks .=<<<EOD
|
|
1246
|
|
|
1247
|
pppoe{$i}:
|
|
1248
|
set phys type pppoe
|
|
1249
|
set pppoe iface {$pppoe_interface}
|
|
1250
|
set pppoe service "*"
|
|
1251
|
set pppoe disable originate
|
|
1252
|
set pppoe enable incoming
|
|
1253
|
|
|
1254
|
EOD;
|
|
1255
|
}
|
|
1256
|
|
|
1257
|
fwrite($fd, $mpdlinks);
|
|
1258
|
fclose($fd);
|
|
1259
|
|
|
1260
|
/* write mpd.secret */
|
|
1261
|
$fd = fopen("{$g['varetc_path']}/pppoe-vpn/mpd.secret", "w");
|
|
1262
|
if (!$fd) {
|
|
1263
|
printf("Error: cannot open mpd.secret in vpn_pppoe_configure().\n");
|
|
1264
|
return 1;
|
|
1265
|
}
|
|
1266
|
|
|
1267
|
$mpdsecret = "\n\n";
|
|
1268
|
|
|
1269
|
if (is_array($pppoecfg['user'])) {
|
|
1270
|
foreach ($pppoecfg['user'] as $user)
|
|
1271
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
|
1272
|
}
|
|
1273
|
|
|
1274
|
fwrite($fd, $mpdsecret);
|
|
1275
|
fclose($fd);
|
|
1276
|
chmod("{$g['varetc_path']}/pppoe-vpn/mpd.secret", 0600);
|
|
1277
|
|
|
1278
|
/* fire up mpd */
|
|
1279
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pppoe-vpn -p {$g['varrun_path']}/pppoe-vpn.pid pppoe");
|
|
1280
|
|
|
1281
|
break;
|
|
1282
|
|
|
1283
|
case 'redir' :
|
|
1284
|
break;
|
|
1285
|
}
|
|
1286
|
|
|
1287
|
touch("{$g["tmp_path"]}/filter_dirty");
|
|
1288
|
|
|
1289
|
if ($g['booting'])
|
|
1290
|
echo "done\n";
|
|
1291
|
|
|
1292
|
return 0;
|
|
1293
|
}
|
|
1294
|
|
|
1295
|
function vpn_l2tp_configure() {
|
|
1296
|
global $config, $g;
|
|
1297
|
|
|
1298
|
$syscfg = $config['system'];
|
|
1299
|
$l2tpcfg = $config['l2tp'];
|
|
1300
|
|
|
1301
|
mwexec("/sbin/kldload /boot/kernel/ng_l2tp.ko");
|
|
1302
|
|
|
1303
|
/* create directory if it does not exist */
|
|
1304
|
if (!is_dir("{$g['varetc_path']}/l2tp-vpn"))
|
|
1305
|
mkdir("{$g['varetc_path']}/l2tp-vpn");
|
|
1306
|
|
|
1307
|
if ($g['booting']) {
|
|
1308
|
if (!$l2tpcfg['mode'] || ($l2tpcfg['mode'] == "off"))
|
|
1309
|
return 0;
|
|
1310
|
|
|
1311
|
echo "Configuring l2tp VPN service... ";
|
|
1312
|
} else {
|
|
1313
|
/* kill mpd */
|
|
1314
|
killbypid("{$g['varrun_path']}/l2tp-vpn.pid");
|
|
1315
|
|
|
1316
|
/* wait for process to die */
|
|
1317
|
sleep(2);
|
|
1318
|
|
|
1319
|
}
|
|
1320
|
|
|
1321
|
/* make sure l2tp-vpn directory exists */
|
|
1322
|
if (!file_exists("{$g['varetc_path']}/l2tp-vpn"))
|
|
1323
|
mkdir("{$g['varetc_path']}/l2tp-vpn");
|
|
1324
|
|
|
1325
|
switch ($l2tpcfg['mode']) {
|
|
1326
|
|
|
1327
|
case 'server' :
|
|
1328
|
|
|
1329
|
$l2tp_interface = filter_translate_type_to_real_interface($l2tpcfg['interface']);
|
|
1330
|
|
|
1331
|
if ($l2tpcfg['paporchap'] == "chap")
|
|
1332
|
$paporchap = "set link enable chap";
|
|
1333
|
else
|
|
1334
|
$paporchap = "set link enable pap";
|
|
1335
|
|
|
1336
|
/* write mpd.conf */
|
|
1337
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.conf", "w");
|
|
1338
|
if (!$fd) {
|
|
1339
|
printf("Error: cannot open mpd.conf in vpn_l2tp_configure().\n");
|
|
1340
|
return 1;
|
|
1341
|
}
|
|
1342
|
$mpdconf = "\n\n";
|
|
1343
|
$mpdconf .=<<<EOD
|
|
1344
|
l2tp:
|
|
1345
|
|
|
1346
|
EOD;
|
|
1347
|
|
|
1348
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1349
|
$mpdconf .= " load l2tp{$i}\n";
|
|
1350
|
}
|
|
1351
|
|
|
1352
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1353
|
|
|
1354
|
$clientip = long2ip(ip2long($l2tpcfg['remoteip']) + $i);
|
|
1355
|
|
|
1356
|
if (isset ($l2tpcfg['radius']['radiusissueips']) && isset ($l2tpcfg['radius']['enable'])) {
|
|
1357
|
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 0.0.0.0/0";
|
|
1358
|
$isssue_ip_type .= "\n\tset ipcp yes radius-ip";
|
|
1359
|
} else {
|
|
1360
|
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 {$clientip}/32";
|
|
1361
|
}
|
|
1362
|
|
|
1363
|
$mpdconf .=<<<EOD
|
|
1364
|
|
|
1365
|
l2tp{$i}:
|
|
1366
|
new l2tp{$i} l2tp{$i}
|
|
1367
|
{$isssue_ip_type}
|
|
1368
|
load l2tp_standard
|
|
1369
|
|
|
1370
|
EOD;
|
|
1371
|
}
|
|
1372
|
|
|
1373
|
$mpdconf .=<<<EOD
|
|
1374
|
|
|
1375
|
l2tp_standard:
|
|
1376
|
set bundle disable multilink
|
|
1377
|
set bundle enable compression
|
|
1378
|
set bundle yes crypt-reqd
|
|
1379
|
set ipcp yes vjcomp
|
|
1380
|
# set ipcp ranges 131.188.69.161/32 131.188.69.170/28
|
|
1381
|
set ccp yes mppc
|
|
1382
|
set iface disable on-demand
|
|
1383
|
set iface enable proxy-arp
|
|
1384
|
set iface up-script /usr/local/sbin/l2tp-linkup
|
|
1385
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
1386
|
set link yes acfcomp protocomp
|
|
1387
|
set link no pap chap
|
|
1388
|
set link enable chap
|
|
1389
|
set link keep-alive 10 180
|
|
1390
|
|
|
1391
|
EOD;
|
|
1392
|
|
|
1393
|
if (isset ($config['dnsmasq']['enable'])) {
|
|
1394
|
$mpdconf .= " set ipcp dns " . $config['interfaces']['lan']['ipaddr'];
|
|
1395
|
if ($syscfg['dnsserver'][0])
|
|
1396
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1397
|
$mpdconf .= "\n";
|
|
1398
|
} else
|
|
1399
|
if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1400
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1401
|
}
|
|
1402
|
|
|
1403
|
if (isset ($l2tpcfg['radius']['enable'])) {
|
|
1404
|
$mpdconf .=<<<EOD
|
|
1405
|
set radius server {$l2tpcfg['radius']['server']} "{$l2tpcfg['radius']['secret']}"
|
|
1406
|
set ipcp radius-ip
|
|
1407
|
set radius retries 3
|
|
1408
|
set radius timeout 10
|
|
1409
|
set bundle enable radius-auth
|
|
1410
|
set bundle disable radius-fallback
|
|
1411
|
|
|
1412
|
EOD;
|
|
1413
|
|
|
1414
|
if (isset ($l2tpcfg['radius']['accounting'])) {
|
|
1415
|
$mpdconf .=<<<EOD
|
|
1416
|
set bundle enable radius-acct
|
|
1417
|
|
|
1418
|
EOD;
|
|
1419
|
}
|
|
1420
|
}
|
|
1421
|
|
|
1422
|
fwrite($fd, $mpdconf);
|
|
1423
|
fclose($fd);
|
|
1424
|
|
|
1425
|
/* write mpd.links */
|
|
1426
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.links", "w");
|
|
1427
|
if (!$fd) {
|
|
1428
|
printf("Error: cannot open mpd.links in vpn_l2tp_configure().\n");
|
|
1429
|
return 1;
|
|
1430
|
}
|
|
1431
|
|
|
1432
|
$mpdlinks = "";
|
|
1433
|
|
|
1434
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1435
|
$mpdlinks .=<<<EOD
|
|
1436
|
|
|
1437
|
l2tp:
|
|
1438
|
set link type l2tp
|
|
1439
|
set l2tp iface {$l2tp_interface}
|
|
1440
|
|
|
1441
|
EOD;
|
|
1442
|
}
|
|
1443
|
|
|
1444
|
fwrite($fd, $mpdlinks);
|
|
1445
|
fclose($fd);
|
|
1446
|
|
|
1447
|
/* write mpd.secret */
|
|
1448
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.secret", "w");
|
|
1449
|
if (!$fd) {
|
|
1450
|
printf("Error: cannot open mpd.secret in vpn_l2tp_configure().\n");
|
|
1451
|
return 1;
|
|
1452
|
}
|
|
1453
|
|
|
1454
|
$mpdsecret = "\n\n";
|
|
1455
|
|
|
1456
|
if (is_array($l2tpcfg['user'])) {
|
|
1457
|
foreach ($l2tpcfg['user'] as $user)
|
|
1458
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
|
1459
|
}
|
|
1460
|
|
|
1461
|
fwrite($fd, $mpdsecret);
|
|
1462
|
fclose($fd);
|
|
1463
|
chmod("{$g['varetc_path']}/l2tp-vpn/mpd.secret", 0600);
|
|
1464
|
|
|
1465
|
/* fire up mpd */
|
|
1466
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/l2tp-vpn -p {$g['varrun_path']}/l2tp-vpn.pid l2tp");
|
|
1467
|
|
|
1468
|
break;
|
|
1469
|
|
|
1470
|
case 'redir' :
|
|
1471
|
break;
|
|
1472
|
}
|
|
1473
|
|
|
1474
|
touch("{$g["tmp_path"]}/filter_dirty");
|
|
1475
|
|
|
1476
|
if ($g['booting'])
|
|
1477
|
echo "done\n";
|
|
1478
|
|
|
1479
|
return 0;
|
|
1480
|
}
|
|
1481
|
?>
|