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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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/*
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pfSense_BUILDER_BINARIES: /usr/bin/killall /usr/local/sbin/sasyncd /sbin/ifconfig /sbin/sysctl
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pfSense_BUILDER_BINARIES: /usr/local/sbin/setkey /sbin/route /bin/mkdir
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pfSense_BUILDER_BINARIES: /usr/local/sbin/racoonctl /usr/local/sbin/racoon
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pfSense_BUILDER_BINARIES: /usr/local/sbin/filterdns /usr/local/sbin/mpd4
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pfSense_MODULE: vpn
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*/
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/* include all configuration functions */
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function vpn_ipsec_failover_configure() {
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global $config, $g;
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if (is_array($config['installedpackages']['sasyncd'])) {
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$sasyncd_text = "";
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foreach ($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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file_put_contents("{$g['varetc_path']}/sasyncd.conf", $sasyncd_text);
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chmod("{$g['varetc_path']}/sasyncd.conf", 0600);
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if(is_process_running("sasyncd"))
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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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}
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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, $p2_ealgos;
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if ($g['platform'] == 'jail')
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return;
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/* get the automatic ping_hosts.sh ready */
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unlink_if_exists("{$g['vardb_path']}/ipsecpinghosts");
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touch("{$g['vardb_path']}/ipsecpinghosts");
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vpn_ipsec_configure_preferoldsa();
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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 = $config['ipsec']['client'];
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if (!isset($ipseccfg['enable'])) {
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/* try to stop racoon*/
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killbypid("{$g['varrun_path']}/racoon.pid");
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/* Stop dynamic monitoring */
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killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
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/* kill racoon forcefully */
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if (is_process_running("racoon"))
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mwexec("/usr/bin/killall -9 racoon", true);
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/* wait for racoon process to die */
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sleep(2);
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/* flush SPD and SAD */
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mwexec("/usr/local/sbin/setkey -F");
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mwexec("/usr/local/sbin/setkey -FP");
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/* disallow IPSEC, it is off */
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mwexec("/sbin/ifconfig enc0 down");
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exec("/sbin/sysctl net.inet.ip.ipsec_in_use=0");
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return true;
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} else {
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mwexec("/sbin/ifconfig enc0 up");
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mwexec("/sbin/sysctl net.inet.ip.ipsec_in_use=1");
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/* needed for racoonctl admin socket */
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if (!is_dir("/var/db/racoon"))
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mkdir("/var/db/racoon/");
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/* needed for config files */
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if (!is_dir("{$g['varetc_path']}/ipsec"))
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mkdir("{$g['varetc_path']}/ipsec");
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if ($g['booting'])
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echo gettext("Configuring IPsec VPN... ");
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/* fastforwarding is not compatible with ipsec tunnels */
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mwexec("/sbin/sysctl net.inet.ip.fastforwarding=0");
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/* resolve all local, peer addresses and setup pings */
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$ipmap = array();
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$rgmap = array();
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$filterdns_list = array();
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unset($iflist);
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if (is_array($a_phase1) && count($a_phase1)) {
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$ipsecpinghosts = "";
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/* step through each phase1 entry */
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$ipsecpinghosts = "";
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foreach ($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 (!is_ipaddr($ep))
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continue;
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if(!in_array($ep,$ipmap))
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$ipmap[] = $ep;
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/* see if this tunnel has a hostname for the remote-gateway. If so,
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try to resolve it now and add it to the list for filterdns */
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if (isset ($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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$filterdns_list[] = "{$rg}";
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add_hostname_to_watch($rg);
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if(! $g['booting'])
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$rg = resolve_retry($rg);
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if (!is_ipaddr($rg))
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continue;
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}
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if(array_search($rg, $rgmap)) {
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log_error("The remote gateway {$rg} already exists on another phase 1 entry");
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continue;
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}
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$rgmap[$ph1ent['remote-gateway']] = $rg;
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if (is_array($a_phase2)) {
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/* step through each phase2 entry */
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foreach ($a_phase2 as $ph2ent) {
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$ikeid = $ph2ent['ikeid'];
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if (isset($ph2ent['disabled']))
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continue;
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if ($ikeid != $ph1ent['ikeid'])
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continue;
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$ph2ent['localid']['mode'] = $ph2ent['mode'];
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/* add an ipsec pinghosts entry */
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if ($ph2ent['pinghost']) {
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if (!is_array($iflist))
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$iflist = get_configured_interface_list();
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foreach ($iflist as $ifent => $ifname) {
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if(is_ipaddrv6($ph2ent['pinghost'])) {
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$interface_ip = get_interface_ipv6($ifent);
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if(!is_ipaddrv6($interface_ip))
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continue;
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$local_subnet = ipsec_idinfo_to_cidr($ph2ent['localid'], true);
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if (ip_in_subnet($interface_ip, $local_subnet)) {
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$srcip = $interface_ip;
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break;
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}
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} else {
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$interface_ip = get_interface_ip($ifent);
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if(!is_ipaddrv4($interface_ip))
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continue;
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$local_subnet = ipsec_idinfo_to_cidr($ph2ent['localid'], true);
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if ($local_subnet == "0.0.0.0/0" || ip_in_subnet($interface_ip, $local_subnet)) {
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$srcip = $interface_ip;
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break;
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}
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}
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}
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$dstip = $ph2ent['pinghost'];
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if(is_ipaddrv6($dstip)) {
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$family = "inet6";
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} else {
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$family = "inet";
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}
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if (is_ipaddr($srcip))
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$ipsecpinghosts[] = "{$srcip}|{$dstip}|3|||||{$family}|\n";
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}
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}
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@file_put_contents("{$g['vardb_path']}/ipsecpinghosts", $ipsecpinghosts);
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}
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}
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}
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/* generate CA certificates files */
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if (is_array($config['ca']) && count($config['ca'])) {
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foreach ($config['ca'] as $ca) {
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if (!isset($ca['crt'])) {
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log_error(sprintf(gettext("Error: Invalid certificate info for %s"), $ca['descr']));
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continue;
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}
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$cert = base64_decode($ca['crt']);
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$x509cert = openssl_x509_parse(openssl_x509_read($cert));
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if (!is_array($x509cert) || !isset($x509cert['hash'])) {
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log_error(sprintf(gettext("Error: Invalid certificate hash info for %s"), $ca['descr']));
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continue;
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}
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$fname = "{$g['varetc_path']}/ipsec/{$x509cert['hash']}.0";
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if (!@file_put_contents($fname, $cert)) {
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log_error(sprintf(gettext("Error: Cannot write IPsec CA file for %s"), $ca['descr']));
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continue;
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}
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}
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}
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$pskconf = "";
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if (is_array($a_phase1) && count($a_phase1)) {
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258
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foreach ($a_phase1 as $ph1ent) {
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260
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if (isset($ph1ent['disabled']))
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261
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continue;
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262
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263
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if (strstr($ph1ent['authentication_method'],'rsa'))
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continue;
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265
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$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 = $ph1ent['peerid_data'];
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break;
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}
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284
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285
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if (!empty($peerid_data) && !empty($ph1ent['pre-shared-key']))
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286
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$pskconf .= trim($peerid_data) . "\t" . trim($ph1ent['pre-shared-key']) . "\n";
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287
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}
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288
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}
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289
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290
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/* Add user PSKs */
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291
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foreach ($config['system']['user'] as $user) {
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292
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if (!empty($user['ipsecpsk'])) {
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293
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$pskconf .= "{$user['name']}\t{$user['ipsecpsk']}\n";
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294
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}
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295
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}
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296
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297
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/* add PSKs for mobile clients */
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298
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if (is_array($ipseccfg['mobilekey'])) {
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299
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foreach ($ipseccfg['mobilekey'] as $key) {
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$pskconf .= "{$key['ident']}\t{$key['pre-shared-key']}\n";
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301
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}
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302
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}
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303
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304
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@file_put_contents("{$g['varetc_path']}/ipsec/psk.txt", $pskconf);
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305
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chmod("{$g['varetc_path']}/ipsec/psk.txt", 0600);
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306
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307
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/* begin racoon.conf */
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308
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$racoonconf = "";
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309
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if ((is_array($a_phase1) && count($a_phase1)) || (is_array($a_phase2) && count($a_phase2))) {
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310
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311
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$racoonconf .= "# This file is automatically generated. Do not edit\n";
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312
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$racoonconf .= "path pre_shared_key \"{$g['varetc_path']}/psk.txt\";\n\n";
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313
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$racoonconf .= "path certificate \"{$g['varetc_path']}\";\n\n";
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314
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|
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315
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/* begin listen section */
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316
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if (count($ipmap)) {
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317
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$racoonconf .= "\nlisten\n";
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318
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$racoonconf .= "{\n";
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319
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$racoonconf .= " adminsock \"/var/db/racoon/racoon.sock\" \"root\" \"wheel\" 0660;\n";
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320
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foreach ($ipmap as $addr) {
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321
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$racoonconf .= "\tisakmp {$addr} [500];\n";
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322
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$racoonconf .= "\tisakmp_natt {$addr} [4500];\n";
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323
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}
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324
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$racoonconf .= "}\n\n";
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325
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}
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326
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|
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327
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/* begin mode_cfg section */
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328
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if (is_array($a_client) && isset($a_client['enable'])) {
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329
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330
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$racoonconf .= "\nmode_cfg\n";
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331
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$racoonconf .= "{\n";
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332
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333
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if (!empty($a_client['user_source']))
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334
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$racoonconf .= "\tauth_source external;\n";
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335
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if (!empty($a_client['group_source']) && $a_client['group_source'] != "none")
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336
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$racoonconf .= "\tgroup_source {$a_client['group_source']};\n";
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337
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338
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if ($a_client['pool_address'] && $a_client['pool_netbits']) {
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339
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$pool_address = $a_client['pool_address'];
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340
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$pool_netmask = gen_subnet_mask($a_client['pool_netbits']);
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341
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342
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$pool_address = long2ip32(ip2long($pool_address)+1);
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343
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$pool_size = (~ip2long($pool_netmask) & 0xFFFFFFFF) - 2;
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344
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345
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$racoonconf .= "\tpool_size {$pool_size};\n";
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346
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$racoonconf .= "\tnetwork4 {$pool_address};\n";
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347
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$racoonconf .= "\tnetmask4 {$pool_netmask};\n";
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348
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}
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349
|
|
|
350
|
if (isset($a_client['net_list'])) {
|
|
351
|
|
|
352
|
$net_list = '';
|
|
353
|
|
|
354
|
foreach ($a_phase2 as $ph2ent) {
|
|
355
|
|
|
356
|
if (isset($ph2ent['disabled']))
|
|
357
|
continue;
|
|
358
|
|
|
359
|
if (!isset($ph2ent['mobile']))
|
|
360
|
continue;
|
|
361
|
|
|
362
|
$localid = ipsec_idinfo_to_cidr($ph2ent['localid'],true);
|
|
363
|
|
|
364
|
if ($net_list)
|
|
365
|
$net_list .= ", ";
|
|
366
|
$net_list .= $localid;
|
|
367
|
}
|
|
368
|
|
|
369
|
if ($net_list)
|
|
370
|
$racoonconf .= "\tsplit_network include {$net_list};\n";
|
|
371
|
}
|
|
372
|
|
|
373
|
if ($a_client['dns_server1'])
|
|
374
|
$racoonconf .= "\tdns4 {$a_client['dns_server1']};\n";
|
|
375
|
if ($a_client['dns_server2'])
|
|
376
|
$racoonconf .= "\tdns4 {$a_client['dns_server2']};\n";
|
|
377
|
if ($a_client['dns_server3'])
|
|
378
|
$racoonconf .= "\tdns4 {$a_client['dns_server3']};\n";
|
|
379
|
if ($a_client['dns_server4'])
|
|
380
|
$racoonconf .= "\tdns4 {$a_client['dns_server4']};\n";
|
|
381
|
|
|
382
|
if ($a_client['wins_server1'])
|
|
383
|
$racoonconf .= "\twins4 {$a_client['wins_server1']};\n";
|
|
384
|
if ($a_client['wins_server2'])
|
|
385
|
$racoonconf .= "\twins4 {$a_client['wins_server2']};\n";
|
|
386
|
|
|
387
|
if ($a_client['dns_domain']) {
|
|
388
|
$racoonconf .= "\tdefault_domain \"{$a_client['dns_domain']}\";\n";
|
|
389
|
if (empty($a_client['dns_split']))
|
|
390
|
$racoonconf .= "\tsplit_dns \"{$a_client['dns_domain']}\";\n";
|
|
391
|
}
|
|
392
|
|
|
393
|
if ($a_client['dns_split']) {
|
|
394
|
$domain_array = preg_split("/[ ,]+/",$a_client['dns_split']);
|
|
395
|
$domain_string = implode('", "', $domain_array);
|
|
396
|
$racoonconf .= "\tsplit_dns \"{$domain_string}\";\n";
|
|
397
|
}
|
|
398
|
|
|
399
|
if ($a_client['pfs_group'])
|
|
400
|
$racoonconf .= "\tpfs_group {$a_client['pfs_group']};\n";
|
|
401
|
|
|
402
|
if ($a_client['login_banner']) {
|
|
403
|
@file_put_contents("{$g['varetc_path']}/ipsec/racoon.motd", $a_client['login_banner']);
|
|
404
|
$racoonconf .= "\tbanner \"{$fn}\";\n";
|
|
405
|
}
|
|
406
|
|
|
407
|
if (isset($a_client['save_passwd']))
|
|
408
|
$racoonconf .= "\tsave_passwd on;\n";
|
|
409
|
|
|
410
|
$racoonconf .= "}\n\n";
|
|
411
|
}
|
|
412
|
/* end mode_cfg section */
|
|
413
|
|
|
414
|
if ($a_client['user_source'] != "none") {
|
|
415
|
$authcfgs = explode(",", $a_client['user_source']);
|
|
416
|
$sed = "\$authmodes=array(";
|
|
417
|
$firstsed = 0;
|
|
418
|
foreach ($authcfgs as $authcfg) {
|
|
419
|
if ($firstsed > 0)
|
|
420
|
$sed .= ",";
|
|
421
|
$firstsed = 1;
|
|
422
|
$sed .= "\"{$authcfg}\"";
|
|
423
|
}
|
|
424
|
$sed .= ");\\\n";
|
|
425
|
if ($a_client['strictusercn'])
|
|
426
|
$sed .= "\$strictusercn = true;";
|
|
427
|
mwexec("/bin/cat /etc/inc/ipsec.auth-user.php | /usr/bin/sed 's/\/\/<template>/{$sed}/g' > {$g['varetc_path']}/ipsec/ipsec.php");
|
|
428
|
mwexec("/bin/chmod a+x {$g['varetc_path']}/ipsec/ipsec.php");
|
|
429
|
$racoonconf .= "extcfg { script \"{$g['varetc_path']}/ipsec/ipsec.php\" }\n";
|
|
430
|
}
|
|
431
|
|
|
432
|
/* begin remote sections */
|
|
433
|
if (is_array($a_phase1) && count($a_phase1)) {
|
|
434
|
/* begin remote */
|
|
435
|
foreach ($a_phase1 as $ph1ent) {
|
|
436
|
|
|
437
|
if (isset($ph1ent['disabled']))
|
|
438
|
continue;
|
|
439
|
|
|
440
|
if (isset($ph1ent['mobile']) && !isset($a_client['enable']))
|
|
441
|
continue;
|
|
442
|
|
|
443
|
$ikeid = $ph1ent['ikeid'];
|
|
444
|
|
|
445
|
$ep = ipsec_get_phase1_src($ph1ent);
|
|
446
|
if (!$ep)
|
|
447
|
continue;
|
|
448
|
|
|
449
|
if (!isset($ph1ent['mobile'])) {
|
|
450
|
$rgip = $rgmap[$ph1ent['remote-gateway']];
|
|
451
|
if (!$rgip)
|
|
452
|
continue;
|
|
453
|
}
|
|
454
|
|
|
455
|
$myid_type = $ph1ent['myid_type'];
|
|
456
|
|
|
457
|
switch ($myid_type) {
|
|
458
|
|
|
459
|
case "myaddress":
|
|
460
|
$myid_type = "address";
|
|
461
|
$myid_data = $ep;
|
|
462
|
break;
|
|
463
|
|
|
464
|
case "dyn_dns":
|
|
465
|
$myid_type = "address";
|
|
466
|
$myid_data = resolve_retry($ph1ent['myid_data']);
|
|
467
|
break;
|
|
468
|
|
|
469
|
case "address";
|
|
470
|
$myid_data = $ph1ent['myid_data'];
|
|
471
|
break;
|
|
472
|
|
|
473
|
case "fqdn";
|
|
474
|
case "keyid tag";
|
|
475
|
case "user_fqdn";
|
|
476
|
case "asn1dn";
|
|
477
|
$myid_data = $ph1ent['myid_data'];
|
|
478
|
if( $myid_data )
|
|
479
|
$myid_data = "\"".$myid_data."\"";
|
|
480
|
break;
|
|
481
|
}
|
|
482
|
|
|
483
|
$peerid_type = $ph1ent['peerid_type'];
|
|
484
|
|
|
485
|
switch ($peerid_type) {
|
|
486
|
case "peeraddress":
|
|
487
|
$peerid_type = "address";
|
|
488
|
$peerid_data = $rgip;
|
|
489
|
break;
|
|
490
|
|
|
491
|
case "address";
|
|
492
|
$peerid_data = $ph1ent['peerid_data'];
|
|
493
|
break;
|
|
494
|
|
|
495
|
case "fqdn";
|
|
496
|
case "keyid tag";
|
|
497
|
case "user_fqdn";
|
|
498
|
case "asn1dn";
|
|
499
|
$peerid_data = $ph1ent['peerid_data'];
|
|
500
|
if( $peerid_data )
|
|
501
|
$peerid_data = "\"".$peerid_data."\"";
|
|
502
|
break;
|
|
503
|
}
|
|
504
|
|
|
505
|
$natt = "off";
|
|
506
|
if (isset($ph1ent['nat_traversal']))
|
|
507
|
$natt = $ph1ent['nat_traversal'];
|
|
508
|
|
|
509
|
$init = "on";
|
|
510
|
$genp = !empty($ph1ent['generate_policy']) ? $ph1ent['generate_policy'] : "off";
|
|
511
|
$pcheck = !empty($ph1ent['proposal_check']) ? $ph1ent['proposal_check'] : $pcheck = "claim";
|
|
512
|
$passive = "";
|
|
513
|
if (isset($ph1ent['mobile'])) {
|
|
514
|
$rgip = "anonymous";
|
|
515
|
$passive = "passive on;";
|
|
516
|
$pcheck = !empty($ph1ent['proposal_check']) ? $ph1ent['proposal_check'] : $pcheck = "obey";
|
|
517
|
/* Mimic 1.2.3's behavior for pure-psk mobile tunnels */
|
|
518
|
if ($ph1ent['authentication_method'] == "pre_shared_key") {
|
|
519
|
$genp = !empty($ph1ent['generate_policy']) ? $ph1ent['generate_policy'] : "on";
|
|
520
|
} else {
|
|
521
|
$init = "off";
|
|
522
|
$genp = !empty($ph1ent['generate_policy']) ? $ph1ent['generate_policy'] : "unique";
|
|
523
|
}
|
|
524
|
}
|
|
525
|
|
|
526
|
$dpdline1 = '';
|
|
527
|
$dpdline2 = '';
|
|
528
|
if ($ph1ent['dpd_delay'] && $ph1ent['dpd_maxfail']) {
|
|
529
|
$dpdline1 = "dpd_delay = {$ph1ent['dpd_delay']};";
|
|
530
|
$dpdline2 = "dpd_maxfail = {$ph1ent['dpd_maxfail']};";
|
|
531
|
}
|
|
532
|
|
|
533
|
if (isset ($ph1ent['authentication_method']))
|
|
534
|
$authmethod = $ph1ent['authentication_method'];
|
|
535
|
else
|
|
536
|
$authmethod = 'pre_shared_key';
|
|
537
|
|
|
538
|
$certline = '';
|
|
539
|
|
|
540
|
if (strstr($authmethod,'rsa')) {
|
|
541
|
|
|
542
|
$cert = lookup_cert($ph1ent['certref']);
|
|
543
|
|
|
544
|
if (!$cert)
|
|
545
|
{
|
|
546
|
log_error(sprintf(gettext("Error: Invalid phase1 certificate reference for %s"), $ph1ent['name']));
|
|
547
|
continue;
|
|
548
|
}
|
|
549
|
|
|
550
|
$certfile = "cert-".$ikeid.".crt";
|
|
551
|
$certpath = $g['varetc_path']."/".$certfile;
|
|
552
|
|
|
553
|
if (!file_put_contents($certpath, base64_decode($cert['crt'])))
|
|
554
|
{
|
|
555
|
log_error(sprintf(gettext("Error: Cannot write phase1 certificate file for %s"), $ph1ent['name']));
|
|
556
|
continue;
|
|
557
|
}
|
|
558
|
|
|
559
|
chmod($certpath, 0600);
|
|
560
|
|
|
561
|
$keyfile = "cert-".$ikeid.".key";
|
|
562
|
$keypath = $g['varetc_path']."/".$keyfile;
|
|
563
|
|
|
564
|
if (!file_put_contents($keypath, base64_decode($cert['prv'])))
|
|
565
|
{
|
|
566
|
log_error(sprintf(gettext("Error: Cannot write phase1 key file for %s"), $ph1ent['name']));
|
|
567
|
continue;
|
|
568
|
}
|
|
569
|
|
|
570
|
chmod($keypath, 0600);
|
|
571
|
|
|
572
|
$ca = lookup_ca($ph1ent['caref']);
|
|
573
|
if ($ca) {
|
|
574
|
$cafile = "ca-".$ikeid.".crt";
|
|
575
|
$capath = $g['varetc_path']."/".$cafile;
|
|
576
|
|
|
577
|
if (!file_put_contents($capath, base64_decode($ca['crt'])))
|
|
578
|
{
|
|
579
|
log_error(sprintf(gettext("Error: Cannot write phase1 CA certificate file for %s"), $ph1ent['name']));
|
|
580
|
continue;
|
|
581
|
}
|
|
582
|
|
|
583
|
chmod($capath, 0600);
|
|
584
|
$caline = "ca_type x509 \"".basename($capath)."\";";
|
|
585
|
}
|
|
586
|
|
|
587
|
$certline = "certificate_type x509 \"".basename($certpath)."\" \"".basename($keypath)."\";";
|
|
588
|
|
|
589
|
}
|
|
590
|
|
|
591
|
$ealgos = '';
|
|
592
|
$ealg_id = $ph1ent['encryption-algorithm']['name'];
|
|
593
|
$ealg_kl = $ph1ent['encryption-algorithm']['keylen'];
|
|
594
|
if ($ealg_kl)
|
|
595
|
$ealgos = $ealgos.$ealg_id." ".$ealg_kl;
|
|
596
|
else
|
|
597
|
$ealgos = $ealgos.$ealg_id;
|
|
598
|
|
|
599
|
$lifeline = '';
|
|
600
|
if ($ph1ent['lifetime'])
|
|
601
|
$lifeline = "lifetime time {$ph1ent['lifetime']} secs;";
|
|
602
|
|
|
603
|
/* Only specify peer ID if we are not dealing with a mobile PSK-only tunnel */
|
|
604
|
if (!(($ph1ent['authentication_method'] == "pre_shared_key") && isset($ph1ent['mobile']))) {
|
|
605
|
$peerid_spec = "peers_identifier {$peerid_type} {$peerid_data};";
|
|
606
|
}
|
|
607
|
|
|
608
|
/* add remote section to configuration */
|
|
609
|
|
|
610
|
$racoonconf .=<<<EOD
|
|
611
|
|
|
612
|
remote {$rgip}
|
|
613
|
{
|
|
614
|
ph1id {$ikeid};
|
|
615
|
exchange_mode {$ph1ent['mode']};
|
|
616
|
my_identifier {$myid_type} {$myid_data};
|
|
617
|
{$peerid_spec}
|
|
618
|
ike_frag on;
|
|
619
|
generate_policy = {$genp};
|
|
620
|
initial_contact = {$init};
|
|
621
|
nat_traversal = {$natt};
|
|
622
|
{$certline}
|
|
623
|
{$caline}
|
|
624
|
{$dpdline1}
|
|
625
|
{$dpdline2}
|
|
626
|
support_proxy on;
|
|
627
|
proposal_check {$pcheck};
|
|
628
|
{$passive}
|
|
629
|
|
|
630
|
proposal
|
|
631
|
{
|
|
632
|
authentication_method {$authmethod};
|
|
633
|
encryption_algorithm ${ealgos};
|
|
634
|
hash_algorithm {$ph1ent['hash-algorithm']};
|
|
635
|
dh_group {$ph1ent['dhgroup']};
|
|
636
|
${lifeline}
|
|
637
|
}
|
|
638
|
}
|
|
639
|
|
|
640
|
EOD;
|
|
641
|
}
|
|
642
|
/* end remote */
|
|
643
|
}
|
|
644
|
/* end remote sections */
|
|
645
|
|
|
646
|
/* begin sainfo sections */
|
|
647
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
648
|
|
|
649
|
/* begin sainfo */
|
|
650
|
foreach ($a_phase2 as $ph2ent) {
|
|
651
|
|
|
652
|
$ikeid = $ph2ent['ikeid'];
|
|
653
|
|
|
654
|
if( !ipsec_lookup_phase1($ph2ent,$ph1ent))
|
|
655
|
continue;
|
|
656
|
|
|
657
|
if (isset($ph1ent['disabled']))
|
|
658
|
continue;
|
|
659
|
|
|
660
|
if (isset($ph2ent['disabled']))
|
|
661
|
continue;
|
|
662
|
|
|
663
|
if (isset($ph2ent['mobile']) && !isset($a_client['enable']))
|
|
664
|
continue;
|
|
665
|
|
|
666
|
if (($ph2ent['mode'] == 'tunnel') or ($ph2ent['mode'] == 'tunnel6')) {
|
|
667
|
|
|
668
|
$localid_type = $ph2ent['localid']['type'];
|
|
669
|
$ph2ent['localid']['mode'] = $ph2ent['mode'];
|
|
670
|
$localid_data = ipsec_idinfo_to_cidr($ph2ent['localid']);
|
|
671
|
/* Do not print localid in some cases, such as a pure-psk or psk/xauth single phase2 mobile tunnel */
|
|
672
|
if (($localid_type == "none") ||
|
|
673
|
(($ph1ent['authentication_method'] == "xauth_psk_server") ||
|
|
674
|
($ph1ent['authentication_method'] == "pre_shared_key"))
|
|
675
|
&& isset($ph1ent['mobile'])
|
|
676
|
&& (ipsec_get_number_of_phase2($ikeid)==1))
|
|
677
|
$localid_spec = " ";
|
|
678
|
else {
|
|
679
|
if ($localid_type != "address") {
|
|
680
|
$localid_type = "subnet";
|
|
681
|
}
|
|
682
|
// Don't let an empty subnet into racoon.conf, it can cause parse errors. Ticket #2201.
|
|
683
|
if (!is_ipaddr($localid_data) && !is_subnet($localid_data)) {
|
|
684
|
log_error("Invalid IPsec Phase 2 \"{$ph2ent['descr']}\" - {$ph2ent['localid']['type']} has no subnet.");
|
|
685
|
continue;
|
|
686
|
}
|
|
687
|
$localid_spec = "{$localid_type} {$localid_data} any";
|
|
688
|
if (!empty($ph2ent['natlocalid'])) {
|
|
689
|
$natlocalid_data = ipsec_idinfo_to_cidr($ph2ent['natlocalid']);
|
|
690
|
if ($ph2ent['natlocalid']['type'] != "address") {
|
|
691
|
if (is_subnet($natlocalid_data))
|
|
692
|
$localid_spec .= " nat subnet {$natlocalid_data} any";
|
|
693
|
} else {
|
|
694
|
if (is_ipaddr($natlocalid_data))
|
|
695
|
$localid_spec .= " nat address {$natlocalid_data} any";
|
|
696
|
}
|
|
697
|
}
|
|
698
|
}
|
|
699
|
|
|
700
|
if (!isset($ph2ent['mobile'])) {
|
|
701
|
$remoteid_type = $ph2ent['remoteid']['type'];
|
|
702
|
if ($remoteid_type != "address")
|
|
703
|
$remoteid_type = "subnet";
|
|
704
|
|
|
705
|
$remoteid_data = ipsec_idinfo_to_cidr($ph2ent['remoteid']);
|
|
706
|
$remoteid_spec = $remoteid_type." ".$remoteid_data." any";
|
|
707
|
} else
|
|
708
|
$remoteid_spec = "anonymous";
|
|
709
|
|
|
710
|
} else {
|
|
711
|
$rgip = $rgmap[$ph1ent['remote-gateway']];
|
|
712
|
|
|
713
|
if ((($ph1ent['authentication_method'] == "xauth_psk_server") ||
|
|
714
|
($ph1ent['authentication_method'] == "pre_shared_key"))
|
|
715
|
&& isset($ph1ent['mobile']))
|
|
716
|
$localid_spec = " ";
|
|
717
|
else {
|
|
718
|
$localid_data = ipsec_get_phase1_src($ph1ent);
|
|
719
|
if($ph2ent['mode'] == 'transport') { $localid_data="$localid_data any"; }
|
|
720
|
$localid_spec = "address {$localid_data}";
|
|
721
|
}
|
|
722
|
if (!isset($ph2ent['mobile'])) {
|
|
723
|
$remoteid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
724
|
if($ph2ent['mode'] == 'transport') { $remoteid_data="$remoteid_data any"; }
|
|
725
|
$remoteid_spec = "address {$remoteid_data}";
|
|
726
|
} else
|
|
727
|
$remoteid_spec = "anonymous";
|
|
728
|
}
|
|
729
|
|
|
730
|
if($ph2ent['protocol'] == 'esp') {
|
|
731
|
|
|
732
|
$ealgos = '';
|
|
733
|
|
|
734
|
foreach ($ph2ent['encryption-algorithm-option'] as $ealg) {
|
|
735
|
|
|
736
|
$ealg_id = $ealg['name'];
|
|
737
|
$ealg_kl = $ealg['keylen'];
|
|
738
|
|
|
739
|
if ($ealg_kl) {
|
|
740
|
if( $ealg_kl == "auto" ) {
|
|
741
|
/* This seems to be required on my system and was not reproducable
|
|
742
|
* on other systems. For some reason $p2_ealgos is not defined
|
|
743
|
* and needs to be read back in!? -sullrich Aug 26, 2009
|
|
744
|
*/
|
|
745
|
if(!$p2_ealgos)
|
|
746
|
require("ipsec.inc");
|
|
747
|
$key_hi = $p2_ealgos[$ealg_id]['keysel']['hi'];
|
|
748
|
$key_lo = $p2_ealgos[$ealg_id]['keysel']['lo'];
|
|
749
|
$key_step = $p2_ealgos[$ealg_id]['keysel']['step'];
|
|
750
|
/* in some cases where include ordering is suspect these variables
|
|
751
|
are somehow 0 and we enter this loop forever and timeout after 900
|
|
752
|
seconds wrecking bootup */
|
|
753
|
if($key_hi != 0 and $key_lo !=0 and $key_step !=0) {
|
|
754
|
for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step) {
|
|
755
|
// Uncomment the next line if you want to test the comment 5 lines up.
|
|
756
|
// echo "$keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step \n";
|
|
757
|
if ($ealgos)
|
|
758
|
$ealgos = $ealgos.", ";
|
|
759
|
$ealgos = $ealgos.$ealg_id." ".$keylen;
|
|
760
|
}
|
|
761
|
}
|
|
762
|
} else {
|
|
763
|
if ($ealgos)
|
|
764
|
$ealgos = $ealgos.", ";
|
|
765
|
$ealgos = $ealgos.$ealg_id." ".$ealg_kl;
|
|
766
|
}
|
|
767
|
} else {
|
|
768
|
if ($ealgos)
|
|
769
|
$ealgos = $ealgos.", ";
|
|
770
|
$ealgos = $ealgos.$ealg_id;
|
|
771
|
}
|
|
772
|
}
|
|
773
|
|
|
774
|
$ealgosline = "encryption_algorithm {$ealgos};";
|
|
775
|
|
|
776
|
} else {
|
|
777
|
|
|
778
|
$ealgosline = "encryption_algorithm null_enc;";
|
|
779
|
}
|
|
780
|
|
|
781
|
$halgos = join(",", $ph2ent['hash-algorithm-option']);
|
|
782
|
$halgosline = "authentication_algorithm {$halgos};";
|
|
783
|
|
|
784
|
$pfsline = '';
|
|
785
|
if ($ph2ent['pfsgroup'])
|
|
786
|
$pfsline = "pfs_group {$ph2ent['pfsgroup']};";
|
|
787
|
if (isset($a_client['pfs_group'])) {
|
|
788
|
$pfsline = '';
|
|
789
|
if ($a_client['pfs_group'])
|
|
790
|
$pfsline = "pfs_group {$a_client['pfs_group']};";
|
|
791
|
}
|
|
792
|
|
|
793
|
$lifeline = '';
|
|
794
|
if ($ph2ent['lifetime'])
|
|
795
|
$lifeline = "lifetime time {$ph2ent['lifetime']} secs;";
|
|
796
|
|
|
797
|
/* add sainfo section to configuration */
|
|
798
|
|
|
799
|
$racoonconf .=<<<EOD
|
|
800
|
|
|
801
|
sainfo {$localid_spec} {$remoteid_spec}
|
|
802
|
{
|
|
803
|
remoteid {$ikeid};
|
|
804
|
{$ealgosline}
|
|
805
|
{$halgosline}
|
|
806
|
{$pfsline}
|
|
807
|
{$lifeline}
|
|
808
|
compression_algorithm deflate;
|
|
809
|
}
|
|
810
|
|
|
811
|
EOD;
|
|
812
|
}
|
|
813
|
/* end sainfo */
|
|
814
|
}
|
|
815
|
/* end sainfo sections */
|
|
816
|
}
|
|
817
|
@file_put_contents("{$g['varetc_path']}/ipsec/racoon.conf", $racoonconf);
|
|
818
|
/* end racoon.conf */
|
|
819
|
|
|
820
|
/* generate IPsec policies */
|
|
821
|
/* generate spd.conf */
|
|
822
|
$spdconf = "";
|
|
823
|
$natfilterrules = false;
|
|
824
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
825
|
/* Try to prevent people from locking themselves out of webgui. Just in case. */
|
|
826
|
if ($config['interfaces']['lan']) {
|
|
827
|
$lanip = get_interface_ip("lan");
|
|
828
|
if (!empty($lanip) && is_ipaddrv4($lanip)) {
|
|
829
|
$lansn = get_interface_subnet("lan");
|
|
830
|
$lansa = gen_subnet($lanip, $lansn);
|
|
831
|
$spdconf .= "spdadd -4 {$lanip}/32 {$lansa}/{$lansn} any -P out none;\n";
|
|
832
|
$spdconf .= "spdadd -4 {$lansa}/{$lansn} {$lanip}/32 any -P in none;\n";
|
|
833
|
}
|
|
834
|
$lanipv6 = get_interface_ipv6("lan");
|
|
835
|
if (!empty($lanipv6) && is_ipaddrv6($lanipv6)) {
|
|
836
|
$lansnv6 = get_interface_subnetv6("lan");
|
|
837
|
$lansav6 = gen_subnetv6($lanipv6, $lansnv6);
|
|
838
|
$spdconf .= "spdadd -6 {$lanipv6}/128 {$lansav6}/{$lansnv6} any -P out none;\n";
|
|
839
|
$spdconf .= "spdadd -6 {$lansav6}/{$lansnv6} {$lanipv6}/128 any -P in none;\n";
|
|
840
|
}
|
|
841
|
}
|
|
842
|
|
|
843
|
foreach ($a_phase2 as $ph2ent) {
|
|
844
|
|
|
845
|
if( !ipsec_lookup_phase1($ph2ent,$ph1ent))
|
|
846
|
continue;
|
|
847
|
|
|
848
|
if (isset($ph1ent['mobile']))
|
|
849
|
continue;
|
|
850
|
|
|
851
|
if (isset($ph1ent['disabled']))
|
|
852
|
continue;
|
|
853
|
|
|
854
|
if (isset($ph2ent['disabled']))
|
|
855
|
continue;
|
|
856
|
|
|
857
|
$ep = ipsec_get_phase1_src($ph1ent);
|
|
858
|
if (!$ep)
|
|
859
|
continue;
|
|
860
|
|
|
861
|
$rgip = $rgmap[$ph1ent['remote-gateway']];
|
|
862
|
if(!is_ipaddr($rgip))
|
|
863
|
continue;
|
|
864
|
|
|
865
|
$ph2ent['localid']['mode'] = $ph2ent['mode'];
|
|
866
|
$localid = ipsec_idinfo_to_cidr($ph2ent['localid'],true);
|
|
867
|
$remoteid = ipsec_idinfo_to_cidr($ph2ent['remoteid'],true);
|
|
868
|
|
|
869
|
if(($ph2ent['mode'] == "tunnel") or ($ph2ent['mode'] == 'tunnel6')) {
|
|
870
|
// Error will be logged above, no need to log this twice. #2201
|
|
871
|
if (!is_subnet($localid))
|
|
872
|
continue;
|
|
873
|
|
|
874
|
if($ph2ent['mode'] == "tunnel6")
|
|
875
|
$family = "-6";
|
|
876
|
else
|
|
877
|
$family = "-4";
|
|
878
|
|
|
879
|
$spdconf .= "spdadd {$family} {$localid} {$remoteid} any -P out ipsec " .
|
|
880
|
"{$ph2ent['protocol']}/tunnel/{$ep}-{$rgip}/unique;\n";
|
|
881
|
|
|
882
|
if (!empty($ph2ent['natlocalid'])) {
|
|
883
|
$natlocalid = ipsec_idinfo_to_cidr($ph2ent['natlocalid'],true);
|
|
884
|
$spdconf .= "spdadd {$family} {$remoteid} {$natlocalid} any -P in ipsec " .
|
|
885
|
"{$ph2ent['protocol']}/tunnel/{$rgip}-{$ep}/unique;\n";
|
|
886
|
$natfilterrules = true;
|
|
887
|
} else
|
|
888
|
$spdconf .= "spdadd {$family} {$remoteid} {$localid} any -P in ipsec " .
|
|
889
|
"{$ph2ent['protocol']}/tunnel/{$rgip}-{$ep}/unique;\n";
|
|
890
|
|
|
891
|
} else {
|
|
892
|
|
|
893
|
$localid_data = ipsec_get_phase1_src($ph1ent);
|
|
894
|
$remoteid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
895
|
|
|
896
|
$spdconf .= "spdadd {$localid_data} {$remoteid_data} any -P out ipsec " .
|
|
897
|
"{$ph2ent['protocol']}/transport//require;\n";
|
|
898
|
|
|
899
|
$spdconf .= "spdadd {$remoteid_data} {$localid_data} any -P in ipsec " .
|
|
900
|
"{$ph2ent['protocol']}/transport//require;\n";
|
|
901
|
|
|
902
|
}
|
|
903
|
|
|
904
|
/* static route needed? */
|
|
905
|
if (is_ipaddr($ph1ent['interface'])) {
|
|
906
|
$vip = find_virtual_ip_alias($ph1ent['interface']);
|
|
907
|
if (preg_match("/^carp|^[a-z0-9]+_vip/i", $vip['interface']))
|
|
908
|
$parentinterface = link_carp_interface_to_parent($vip['interface']);
|
|
909
|
else
|
|
910
|
$parentinterface = $vip['interface'];
|
|
911
|
} else if (preg_match("/^carp|^[a-z0-9]+_vip/i", $ph1ent['interface']))
|
|
912
|
$parentinterface = link_carp_interface_to_parent($ph1ent['interface']);
|
|
913
|
else
|
|
914
|
$parentinterface = $ph1ent['interface'];
|
|
915
|
|
|
916
|
if (is_ipaddr($rgip)) {
|
|
917
|
/* add endpoint routes to correct gateway on interface */
|
|
918
|
if (interface_has_gateway($parentinterface)) {
|
|
919
|
$gatewayip = get_interface_gateway("$parentinterface");
|
|
920
|
$interfaceip = get_interface_ip($parentinterface);
|
|
921
|
$subnet_bits = get_interface_subnet($parentinterface);
|
|
922
|
$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
|
|
923
|
/* if the remote gateway is in the local subnet, then don't add a route */
|
|
924
|
if (! ip_in_subnet($rgip, "{$subnet_ip}/{$subnet_bits}")) {
|
|
925
|
if(is_ipaddr($gatewayip)) {
|
|
926
|
/* FIXME: does adding route-to and reply-to on the in/outbound
|
|
927
|
* rules fix this? smos@ 13-01-2009 */
|
|
928
|
// log_error("IPSEC interface is not WAN but {$parentinterface}, adding static route for VPN endpoint {$rgip} via {$gatewayip}");
|
|
929
|
mwexec("/sbin/route change -host {$rgip} {$gatewayip}", true);
|
|
930
|
}
|
|
931
|
}
|
|
932
|
}
|
|
933
|
}
|
|
934
|
}
|
|
935
|
}
|
|
936
|
@file_put_contents("{$g['varetc_path']}/ipsec/spd.conf", $spdconf);
|
|
937
|
|
|
938
|
/* mange racoon process */
|
|
939
|
if (is_process_running("racoon")) {
|
|
940
|
sleep("0.1");
|
|
941
|
mwexec("/usr/local/sbin/racoonctl -s /var/db/racoon/racoon.sock reload-config", false);
|
|
942
|
/* load SPD without flushing to be safe on config additions or changes. */
|
|
943
|
mwexec("/usr/local/sbin/setkey -f {$g['varetc_path']}/ipsec/spd.conf", false);
|
|
944
|
} else {
|
|
945
|
/* flush SA + SPD entries */
|
|
946
|
mwexec("/usr/local/sbin/setkey -FP", false);
|
|
947
|
sleep("0.1");
|
|
948
|
mwexec("/usr/local/sbin/setkey -F", false);
|
|
949
|
sleep("0.1");
|
|
950
|
/* start racoon */
|
|
951
|
$ipsecdebug = isset($config['ipsec']['racoondebug']) ? "-d -v" : "";
|
|
952
|
mwexec("/usr/local/sbin/racoon {$ipsecdebug} -f {$g['varetc_path']}/ipsec/racoon.conf", false);
|
|
953
|
sleep("0.1");
|
|
954
|
/* load SPD */
|
|
955
|
mwexec("/usr/local/sbin/setkey -f {$g['varetc_path']}/ipsec/spd.conf", false);
|
|
956
|
|
|
957
|
}
|
|
958
|
if ($natfilterrules == true)
|
|
959
|
filter_configure();
|
|
960
|
/* start filterdns, if necessary */
|
|
961
|
if (count($filterdns_list) > 0) {
|
|
962
|
$interval = 60;
|
|
963
|
if (!empty($ipseccfg['dns-interval']) && is_numeric($ipseccfg['dns-interval']))
|
|
964
|
$interval = $ipseccfg['dns-interval'];
|
|
965
|
|
|
966
|
$hostnames = "";
|
|
967
|
array_unique($filterdns_list);
|
|
968
|
foreach ($filterdns_list as $hostname)
|
|
969
|
$hostnames .= "cmd {$hostname} '/usr/local/sbin/pfSctl -c \"service reload ipsecdns\"'\n";
|
|
970
|
file_put_contents("{$g['varetc_path']}/ipsec/filterdns-ipsec.hosts", $hostnames);
|
|
971
|
|
|
972
|
killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
|
|
973
|
sleep(1);
|
|
974
|
mwexec("/usr/local/sbin/filterdns -p {$g['varrun_path']}/filterdns-ipsec.pid -i {$interval} -c {$g['varetc_path']}/ipsec/filterdns-ipsec.hosts -d 1");
|
|
975
|
}
|
|
976
|
|
|
977
|
vpn_ipsec_failover_configure();
|
|
978
|
|
|
979
|
if ($g['booting'])
|
|
980
|
echo "done\n";
|
|
981
|
}
|
|
982
|
|
|
983
|
return 0;
|
|
984
|
}
|
|
985
|
|
|
986
|
/*
|
|
987
|
* Forcefully restart IPsec
|
|
988
|
* This is required for when dynamic interfaces reload
|
|
989
|
* For all other occasions the normal vpn_ipsec_configure()
|
|
990
|
* will gracefully reload the settings without restarting
|
|
991
|
*/
|
|
992
|
function vpn_ipsec_force_reload() {
|
|
993
|
global $config;
|
|
994
|
global $g;
|
|
995
|
|
|
996
|
$ipseccfg = $config['ipsec'];
|
|
997
|
|
|
998
|
/* send a SIGKILL to be sure */
|
|
999
|
killbypid("{$g['varrun_path']}/racoon.pid");
|
|
1000
|
|
|
1001
|
/* wait for process to die */
|
|
1002
|
sleep(4);
|
|
1003
|
|
|
1004
|
/* kill racoon forcefully */
|
|
1005
|
if (is_process_running("racoon"))
|
|
1006
|
mwexec("/usr/bin/killall -9 racoon", true);
|
|
1007
|
|
|
1008
|
/* wait for flushing to finish */
|
|
1009
|
sleep(1);
|
|
1010
|
|
|
1011
|
/* if ipsec is enabled, start up again */
|
|
1012
|
if (isset($ipseccfg['enable'])) {
|
|
1013
|
log_error(gettext("Forcefully reloading IPsec racoon daemon"));
|
|
1014
|
vpn_ipsec_configure();
|
|
1015
|
}
|
|
1016
|
}
|
|
1017
|
|
|
1018
|
/* master setup for vpn (mpd) */
|
|
1019
|
function vpn_setup() {
|
|
1020
|
global $g;
|
|
1021
|
|
|
1022
|
if ($g['platform'] == 'jail')
|
|
1023
|
return;
|
|
1024
|
|
|
1025
|
/* start pptpd */
|
|
1026
|
vpn_pptpd_configure();
|
|
1027
|
|
|
1028
|
/* start pppoe server */
|
|
1029
|
vpn_pppoes_configure();
|
|
1030
|
|
|
1031
|
/* setup l2tp */
|
|
1032
|
vpn_l2tp_configure();
|
|
1033
|
}
|
|
1034
|
|
|
1035
|
function vpn_netgraph_support() {
|
|
1036
|
$iflist = get_configured_interface_list();
|
|
1037
|
foreach ($iflist as $iface) {
|
|
1038
|
$realif = get_real_interface($iface);
|
|
1039
|
/* Get support for netgraph(4) from the nic */
|
|
1040
|
$ifinfo = pfSense_get_interface_addresses($realif);
|
|
1041
|
if (!empty($ifinfo) && in_array($ifinfo['iftype'], array("ether", "vlan", "bridge")))
|
|
1042
|
pfSense_ngctl_attach(".", $realif);
|
|
1043
|
}
|
|
1044
|
}
|
|
1045
|
|
|
1046
|
function vpn_pptpd_configure() {
|
|
1047
|
global $config, $g;
|
|
1048
|
|
|
1049
|
$syscfg = $config['system'];
|
|
1050
|
$pptpdcfg = $config['pptpd'];
|
|
1051
|
|
|
1052
|
if ($g['booting']) {
|
|
1053
|
if (!$pptpdcfg['mode'] || ($pptpdcfg['mode'] == "off"))
|
|
1054
|
return 0;
|
|
1055
|
|
|
1056
|
echo gettext("Configuring PPTP VPN service... ");
|
|
1057
|
} else {
|
|
1058
|
/* kill mpd */
|
|
1059
|
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
|
|
1060
|
|
|
1061
|
/* wait for process to die */
|
|
1062
|
sleep(3);
|
|
1063
|
|
|
1064
|
if (is_process_running("mpd -b")) {
|
|
1065
|
killbypid("{$g['varrun_path']}/pptp-vpn.pid");
|
|
1066
|
log_error(gettext("Could not kill mpd within 3 seconds. Trying again."));
|
|
1067
|
}
|
|
1068
|
|
|
1069
|
/* remove mpd.conf, if it exists */
|
|
1070
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.conf");
|
|
1071
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.links");
|
|
1072
|
unlink_if_exists("{$g['varetc_path']}/pptp-vpn/mpd.secret");
|
|
1073
|
}
|
|
1074
|
|
|
1075
|
if (empty($pptpdcfg['n_pptp_units'])) {
|
|
1076
|
log_error("Something wrong in the PPTPd configuration. Preventing starting the daemon because issues would arise.");
|
|
1077
|
return;
|
|
1078
|
}
|
|
1079
|
|
|
1080
|
/* make sure pptp-vpn directory exists */
|
|
1081
|
if (!file_exists("{$g['varetc_path']}/pptp-vpn"))
|
|
1082
|
mkdir("{$g['varetc_path']}/pptp-vpn");
|
|
1083
|
|
|
1084
|
switch ($pptpdcfg['mode']) {
|
|
1085
|
case 'server' :
|
|
1086
|
/* write mpd.conf */
|
|
1087
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.conf", "w");
|
|
1088
|
if (!$fd) {
|
|
1089
|
printf(gettext("Error: cannot open mpd.conf in vpn_pptpd_configure().") . "\n");
|
|
1090
|
return 1;
|
|
1091
|
}
|
|
1092
|
|
|
1093
|
$mpdconf = <<<EOD
|
|
1094
|
pptps:
|
|
1095
|
|
|
1096
|
EOD;
|
|
1097
|
|
|
1098
|
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
|
|
1099
|
$mpdconf .= " load pt{$i}\n";
|
|
1100
|
}
|
|
1101
|
|
|
1102
|
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
|
|
1103
|
|
|
1104
|
$clientip = long2ip32(ip2long($pptpdcfg['remoteip']) + $i);
|
|
1105
|
|
|
1106
|
$mpdconf .= <<<EOD
|
|
1107
|
|
|
1108
|
pt{$i}:
|
|
1109
|
new -i pptpd{$i} pt{$i} pt{$i}
|
|
1110
|
set ipcp ranges {$pptpdcfg['localip']}/32 {$clientip}/32
|
|
1111
|
load pts
|
|
1112
|
|
|
1113
|
EOD;
|
|
1114
|
}
|
|
1115
|
|
|
1116
|
$mpdconf .=<<<EOD
|
|
1117
|
|
|
1118
|
pts:
|
|
1119
|
set iface disable on-demand
|
|
1120
|
set iface enable proxy-arp
|
|
1121
|
set iface enable tcpmssfix
|
|
1122
|
set iface idle 1800
|
|
1123
|
set iface up-script /usr/local/sbin/vpn-linkup
|
|
1124
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
1125
|
set bundle enable multilink
|
|
1126
|
set bundle enable crypt-reqd
|
|
1127
|
set link yes acfcomp protocomp
|
|
1128
|
set link no pap chap
|
|
1129
|
set link enable chap-msv2
|
|
1130
|
set link mtu 1460
|
|
1131
|
set link keep-alive 10 60
|
|
1132
|
set ipcp yes vjcomp
|
|
1133
|
set bundle enable compression
|
|
1134
|
set ccp yes mppc
|
|
1135
|
set ccp yes mpp-e128
|
|
1136
|
set ccp yes mpp-stateless
|
|
1137
|
|
|
1138
|
EOD;
|
|
1139
|
|
|
1140
|
if (!isset ($pptpdcfg['req128'])) {
|
|
1141
|
$mpdconf .=<<<EOD
|
|
1142
|
set ccp yes mpp-e40
|
|
1143
|
set ccp yes mpp-e56
|
|
1144
|
|
|
1145
|
EOD;
|
|
1146
|
}
|
|
1147
|
|
|
1148
|
if (isset($pptpdcfg["wins"]) && $pptpdcfg['wins'] != "")
|
|
1149
|
$mpdconf .= " set ipcp nbns {$pptpdcfg['wins']}\n";
|
|
1150
|
|
|
1151
|
if (!empty($pptpdcfg['dns1'])) {
|
|
1152
|
$mpdconf .= " set ipcp dns " . $pptpdcfg['dns1'];
|
|
1153
|
if (!empty($pptpdcfg['dns2']))
|
|
1154
|
$mpdconf .= " " . $pptpdcfg['dns2'];
|
|
1155
|
$mpdconf .= "\n";
|
|
1156
|
} elseif (isset ($config['dnsmasq']['enable'])) {
|
|
1157
|
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
|
|
1158
|
if ($syscfg['dnsserver'][0])
|
|
1159
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1160
|
$mpdconf .= "\n";
|
|
1161
|
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1162
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1163
|
}
|
|
1164
|
|
|
1165
|
if (isset ($pptpdcfg['radius']['server']['enable'])) {
|
|
1166
|
$authport = (isset($pptpdcfg['radius']['server']['port']) && strlen($pptpdcfg['radius']['server']['port']) > 1) ? $pptpdcfg['radius']['server']['port'] : 1812;
|
|
1167
|
$acctport = $authport + 1;
|
|
1168
|
$mpdconf .=<<<EOD
|
|
1169
|
set radius server {$pptpdcfg['radius']['server']['ip']} "{$pptpdcfg['radius']['server']['secret']}" {$authport} {$acctport}
|
|
1170
|
|
|
1171
|
EOD;
|
|
1172
|
if (isset ($pptpdcfg['radius']['server2']['enable'])) {
|
|
1173
|
$authport = (isset($pptpdcfg['radius']['server2']['port']) && strlen($pptpdcfg['radius']['server2']['port']) > 1) ? $pptpdcfg['radius']['server2']['port'] : 1812;
|
|
1174
|
$acctport = $authport + 1;
|
|
1175
|
$mpdconf .=<<<EOD
|
|
1176
|
set radius server {$pptpdcfg['radius']['server2']['ip']} "{$pptpdcfg['radius']['server2']['secret2']}" {$authport} {$acctport}
|
|
1177
|
|
|
1178
|
EOD;
|
|
1179
|
}
|
|
1180
|
$mpdconf .=<<<EOD
|
|
1181
|
set radius retries 3
|
|
1182
|
set radius timeout 10
|
|
1183
|
set auth enable radius-auth
|
|
1184
|
|
|
1185
|
EOD;
|
|
1186
|
|
|
1187
|
if (isset ($pptpdcfg['radius']['accounting'])) {
|
|
1188
|
$mpdconf .=<<<EOD
|
|
1189
|
set auth enable radius-acct
|
|
1190
|
set radius acct-update 300
|
|
1191
|
|
|
1192
|
EOD;
|
|
1193
|
}
|
|
1194
|
}
|
|
1195
|
|
|
1196
|
fwrite($fd, $mpdconf);
|
|
1197
|
fclose($fd);
|
|
1198
|
|
|
1199
|
/* write mpd.links */
|
|
1200
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.links", "w");
|
|
1201
|
if (!$fd) {
|
|
1202
|
printf(gettext("Error: cannot open mpd.links in vpn_pptpd_configure().") . "\n");
|
|
1203
|
return 1;
|
|
1204
|
}
|
|
1205
|
|
|
1206
|
$mpdlinks = "";
|
|
1207
|
|
|
1208
|
for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) {
|
|
1209
|
$mpdlinks .=<<<EOD
|
|
1210
|
|
|
1211
|
pt{$i}:
|
|
1212
|
set link type pptp
|
|
1213
|
set pptp enable incoming
|
|
1214
|
set pptp disable originate
|
|
1215
|
set pptp disable windowing
|
|
1216
|
|
|
1217
|
EOD;
|
|
1218
|
}
|
|
1219
|
|
|
1220
|
fwrite($fd, $mpdlinks);
|
|
1221
|
fclose($fd);
|
|
1222
|
|
|
1223
|
/* write mpd.secret */
|
|
1224
|
$fd = fopen("{$g['varetc_path']}/pptp-vpn/mpd.secret", "w");
|
|
1225
|
if (!$fd) {
|
|
1226
|
printf(gettext("Error: cannot open mpd.secret in vpn_pptpd_configure().") . "\n");
|
|
1227
|
return 1;
|
|
1228
|
}
|
|
1229
|
|
|
1230
|
$mpdsecret = "";
|
|
1231
|
|
|
1232
|
if (is_array($pptpdcfg['user'])) {
|
|
1233
|
foreach ($pptpdcfg['user'] as $user) {
|
|
1234
|
$pass = str_replace('\\', '\\\\', $user['password']);
|
|
1235
|
$pass = str_replace('"', '\"', $pass);
|
|
1236
|
$mpdsecret .= "{$user['name']} \"{$pass}\" {$user['ip']}\n";
|
|
1237
|
}
|
|
1238
|
}
|
|
1239
|
|
|
1240
|
fwrite($fd, $mpdsecret);
|
|
1241
|
fclose($fd);
|
|
1242
|
chmod("{$g['varetc_path']}/pptp-vpn/mpd.secret", 0600);
|
|
1243
|
|
|
1244
|
vpn_netgraph_support();
|
|
1245
|
|
|
1246
|
/* fire up mpd */
|
|
1247
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pptp-vpn -p {$g['varrun_path']}/pptp-vpn.pid -s pptps pptps");
|
|
1248
|
|
|
1249
|
break;
|
|
1250
|
|
|
1251
|
case 'redir' :
|
|
1252
|
break;
|
|
1253
|
}
|
|
1254
|
|
|
1255
|
if ($g['booting'])
|
|
1256
|
echo "done\n";
|
|
1257
|
|
|
1258
|
return 0;
|
|
1259
|
}
|
|
1260
|
|
|
1261
|
function vpn_pppoes_configure() {
|
|
1262
|
global $config;
|
|
1263
|
|
|
1264
|
if (is_array($config['pppoes']['pppoe'])) {
|
|
1265
|
foreach ($config['pppoes']['pppoe'] as $pppoe)
|
|
1266
|
vpn_pppoe_configure($pppoe);
|
|
1267
|
}
|
|
1268
|
}
|
|
1269
|
|
|
1270
|
function vpn_pppoe_configure(&$pppoecfg) {
|
|
1271
|
global $config, $g;
|
|
1272
|
|
|
1273
|
$syscfg = $config['system'];
|
|
1274
|
|
|
1275
|
/* create directory if it does not exist */
|
|
1276
|
if (!is_dir("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn"))
|
|
1277
|
mkdir("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn");
|
|
1278
|
|
|
1279
|
if ($g['booting']) {
|
|
1280
|
if (!$pppoecfg['mode'] || ($pppoecfg['mode'] == "off"))
|
|
1281
|
return 0;
|
|
1282
|
|
|
1283
|
echo gettext("Configuring PPPoE VPN service... ");
|
|
1284
|
} else {
|
|
1285
|
/* kill mpd */
|
|
1286
|
killbypid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid");
|
|
1287
|
|
|
1288
|
/* wait for process to die */
|
|
1289
|
sleep(2);
|
|
1290
|
|
|
1291
|
}
|
|
1292
|
|
|
1293
|
switch ($pppoecfg['mode']) {
|
|
1294
|
|
|
1295
|
case 'server' :
|
|
1296
|
|
|
1297
|
$pppoe_interface = get_real_interface($pppoecfg['interface']);
|
|
1298
|
|
|
1299
|
if ($pppoecfg['paporchap'] == "chap")
|
|
1300
|
$paporchap = "set link enable chap";
|
|
1301
|
else
|
|
1302
|
$paporchap = "set link enable pap";
|
|
1303
|
|
|
1304
|
/* write mpd.conf */
|
|
1305
|
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.conf", "w");
|
|
1306
|
if (!$fd) {
|
|
1307
|
printf(gettext("Error: cannot open mpd.conf in vpn_pppoe_configure().") . "\n");
|
|
1308
|
return 1;
|
|
1309
|
}
|
|
1310
|
$mpdconf = "\n\n";
|
|
1311
|
$mpdconf .= "poes:\n";
|
|
1312
|
|
|
1313
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1314
|
$mpdconf .= " load poes{$pppoecfg['pppoeid']}{$i}\n";
|
|
1315
|
}
|
|
1316
|
|
|
1317
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1318
|
|
|
1319
|
$clientip = long2ip32(ip2long($pppoecfg['remoteip']) + $i);
|
|
1320
|
|
|
1321
|
if (isset($pppoecfg['radius']['radiusissueips']) && isset($pppoecfg['radius']['server']['enable'])) {
|
|
1322
|
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 0.0.0.0/0";
|
|
1323
|
} else {
|
|
1324
|
$isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 {$clientip}/32";
|
|
1325
|
}
|
|
1326
|
|
|
1327
|
$mpdconf .=<<<EOD
|
|
1328
|
|
|
1329
|
poes{$pppoecfg['pppoeid']}{$i}:
|
|
1330
|
new -i poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i}
|
|
1331
|
{$isssue_ip_type}
|
|
1332
|
load pppoe_standard
|
|
1333
|
|
|
1334
|
EOD;
|
|
1335
|
}
|
|
1336
|
|
|
1337
|
$mpdconf .=<<<EOD
|
|
1338
|
|
|
1339
|
pppoe_standard:
|
|
1340
|
set bundle no multilink
|
|
1341
|
set bundle enable compression
|
|
1342
|
set auth max-logins 1
|
|
1343
|
set iface up-script /usr/local/sbin/vpn-linkup
|
|
1344
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
1345
|
set iface idle 0
|
|
1346
|
set iface disable on-demand
|
|
1347
|
set iface disable proxy-arp
|
|
1348
|
set iface enable tcpmssfix
|
|
1349
|
set iface mtu 1500
|
|
1350
|
set link no pap chap
|
|
1351
|
{$paporchap}
|
|
1352
|
set link keep-alive 60 180
|
|
1353
|
set ipcp yes vjcomp
|
|
1354
|
set ipcp no vjcomp
|
|
1355
|
set link max-redial -1
|
|
1356
|
set link mtu 1492
|
|
1357
|
set link mru 1492
|
|
1358
|
set ccp yes mpp-e40
|
|
1359
|
set ccp yes mpp-e128
|
|
1360
|
set ccp yes mpp-stateless
|
|
1361
|
set link latency 1
|
|
1362
|
#set ipcp dns 10.10.1.3
|
|
1363
|
#set bundle accept encryption
|
|
1364
|
|
|
1365
|
EOD;
|
|
1366
|
|
|
1367
|
if (!empty($pppoecfg['dns1'])) {
|
|
1368
|
$mpdconf .= " set ipcp dns " . $pppoecfg['dns1'];
|
|
1369
|
if (!empty($pppoecfg['dns2']))
|
|
1370
|
$mpdconf .= " " . $pppoecfg['dns2'];
|
|
1371
|
$mpdconf .= "\n";
|
|
1372
|
} elseif (isset ($config['dnsmasq']['enable'])) {
|
|
1373
|
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
|
|
1374
|
if ($syscfg['dnsserver'][0])
|
|
1375
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1376
|
$mpdconf .= "\n";
|
|
1377
|
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1378
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1379
|
}
|
|
1380
|
|
|
1381
|
if (isset ($pppoecfg['radius']['server']['enable'])) {
|
|
1382
|
$radiusport = "";
|
|
1383
|
$radiusacctport = "";
|
|
1384
|
if (isset($pppoecfg['radius']['server']['port']))
|
|
1385
|
$radiusport = $pppoecfg['radius']['server']['port'];
|
|
1386
|
if (isset($pppoecfg['radius']['server']['acctport']))
|
|
1387
|
$radiusacctport = $pppoecfg['radius']['server']['acctport'];
|
|
1388
|
$mpdconf .=<<<EOD
|
|
1389
|
set radius server {$pppoecfg['radius']['server']['ip']} "{$pppoecfg['radius']['server']['secret']}" {$radiusport} {$radiusacctport}
|
|
1390
|
set radius retries 3
|
|
1391
|
set radius timeout 10
|
|
1392
|
set auth enable radius-auth
|
|
1393
|
|
|
1394
|
EOD;
|
|
1395
|
|
|
1396
|
if (isset ($pppoecfg['radius']['accounting'])) {
|
|
1397
|
$mpdconf .=<<<EOD
|
|
1398
|
set auth enable radius-acct
|
|
1399
|
|
|
1400
|
EOD;
|
|
1401
|
}
|
|
1402
|
}
|
|
1403
|
|
|
1404
|
fwrite($fd, $mpdconf);
|
|
1405
|
fclose($fd);
|
|
1406
|
|
|
1407
|
/* write mpd.links */
|
|
1408
|
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.links", "w");
|
|
1409
|
if (!$fd) {
|
|
1410
|
printf(gettext("Error: cannot open mpd.links in vpn_pppoe_configure().") . "\n");
|
|
1411
|
return 1;
|
|
1412
|
}
|
|
1413
|
|
|
1414
|
$mpdlinks = "";
|
|
1415
|
|
|
1416
|
for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) {
|
|
1417
|
$mpdlinks .=<<<EOD
|
|
1418
|
|
|
1419
|
poes{$pppoecfg['pppoeid']}{$i}:
|
|
1420
|
set phys type pppoe
|
|
1421
|
set pppoe iface {$pppoe_interface}
|
|
1422
|
set pppoe service "*"
|
|
1423
|
set pppoe disable originate
|
|
1424
|
set pppoe enable incoming
|
|
1425
|
|
|
1426
|
EOD;
|
|
1427
|
}
|
|
1428
|
|
|
1429
|
fwrite($fd, $mpdlinks);
|
|
1430
|
fclose($fd);
|
|
1431
|
|
|
1432
|
if ($pppoecfg['username']) {
|
|
1433
|
/* write mpd.secret */
|
|
1434
|
$fd = fopen("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", "w");
|
|
1435
|
if (!$fd) {
|
|
1436
|
printf(gettext("Error: cannot open mpd.secret in vpn_pppoe_configure().") . "\n");
|
|
1437
|
return 1;
|
|
1438
|
}
|
|
1439
|
|
|
1440
|
$mpdsecret = "\n\n";
|
|
1441
|
|
|
1442
|
if (!empty($pppoecfg['username'])) {
|
|
1443
|
$item = explode(" ", $pppoecfg['username']);
|
|
1444
|
foreach($item as $userdata) {
|
|
1445
|
$data = explode(":", $userdata);
|
|
1446
|
$mpdsecret .= "{$data[0]} \"" . base64_decode($data[1]) . "\" {$data[2]}\n";
|
|
1447
|
}
|
|
1448
|
}
|
|
1449
|
|
|
1450
|
fwrite($fd, $mpdsecret);
|
|
1451
|
fclose($fd);
|
|
1452
|
chmod("{$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", 0600);
|
|
1453
|
}
|
|
1454
|
|
|
1455
|
/* Check if previous instance is still up */
|
|
1456
|
while (file_exists("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid") && isvalidpid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid"))
|
|
1457
|
killbypid("{$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid");
|
|
1458
|
|
|
1459
|
/* Get support for netgraph(4) from the nic */
|
|
1460
|
pfSense_ngctl_attach(".", $pppoe_interface);
|
|
1461
|
/* fire up mpd */
|
|
1462
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/pppoe{$pppoecfg['pppoeid']}-vpn -p {$g['varrun_path']}/pppoe{$pppoecfg['pppoeid']}-vpn.pid -s poes poes");
|
|
1463
|
|
|
1464
|
break;
|
|
1465
|
}
|
|
1466
|
|
|
1467
|
if ($g['booting'])
|
|
1468
|
echo gettext("done") . "\n";
|
|
1469
|
|
|
1470
|
return 0;
|
|
1471
|
}
|
|
1472
|
|
|
1473
|
function vpn_l2tp_configure() {
|
|
1474
|
global $config, $g;
|
|
1475
|
|
|
1476
|
$syscfg = $config['system'];
|
|
1477
|
$l2tpcfg = $config['l2tp'];
|
|
1478
|
|
|
1479
|
/* create directory if it does not exist */
|
|
1480
|
if (!is_dir("{$g['varetc_path']}/l2tp-vpn"))
|
|
1481
|
mkdir("{$g['varetc_path']}/l2tp-vpn");
|
|
1482
|
|
|
1483
|
if ($g['booting']) {
|
|
1484
|
if (!$l2tpcfg['mode'] || ($l2tpcfg['mode'] == "off"))
|
|
1485
|
return 0;
|
|
1486
|
|
|
1487
|
echo gettext("Configuring l2tp VPN service... ");
|
|
1488
|
} else {
|
|
1489
|
/* kill mpd */
|
|
1490
|
killbypid("{$g['varrun_path']}/l2tp-vpn.pid");
|
|
1491
|
|
|
1492
|
/* wait for process to die */
|
|
1493
|
sleep(8);
|
|
1494
|
|
|
1495
|
}
|
|
1496
|
|
|
1497
|
/* make sure l2tp-vpn directory exists */
|
|
1498
|
if (!file_exists("{$g['varetc_path']}/l2tp-vpn"))
|
|
1499
|
mkdir("{$g['varetc_path']}/l2tp-vpn");
|
|
1500
|
|
|
1501
|
switch ($l2tpcfg['mode']) {
|
|
1502
|
|
|
1503
|
case 'server' :
|
|
1504
|
if ($l2tpcfg['paporchap'] == "chap")
|
|
1505
|
$paporchap = "set link enable chap";
|
|
1506
|
else
|
|
1507
|
$paporchap = "set link enable pap";
|
|
1508
|
|
|
1509
|
/* write mpd.conf */
|
|
1510
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.conf", "w");
|
|
1511
|
if (!$fd) {
|
|
1512
|
printf(gettext("Error: cannot open mpd.conf in vpn_l2tp_configure().") . "\n");
|
|
1513
|
return 1;
|
|
1514
|
}
|
|
1515
|
$mpdconf = "\n\n";
|
|
1516
|
$mpdconf .=<<<EOD
|
|
1517
|
l2tps:
|
|
1518
|
|
|
1519
|
EOD;
|
|
1520
|
|
|
1521
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1522
|
$mpdconf .= " load l2tp{$i}\n";
|
|
1523
|
}
|
|
1524
|
|
|
1525
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1526
|
|
|
1527
|
$clientip = long2ip32(ip2long($l2tpcfg['remoteip']) + $i);
|
|
1528
|
|
|
1529
|
if (isset ($l2tpcfg['radius']['radiusissueips']) && isset ($l2tpcfg['radius']['enable'])) {
|
|
1530
|
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 0.0.0.0/0";
|
|
1531
|
} else {
|
|
1532
|
$isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 {$clientip}/32";
|
|
1533
|
}
|
|
1534
|
|
|
1535
|
$mpdconf .=<<<EOD
|
|
1536
|
|
|
1537
|
l2tp{$i}:
|
|
1538
|
new -i l2tp{$i} l2tp{$i} l2tp{$i}
|
|
1539
|
{$isssue_ip_type}
|
|
1540
|
load l2tp_standard
|
|
1541
|
|
|
1542
|
EOD;
|
|
1543
|
}
|
|
1544
|
|
|
1545
|
$mpdconf .=<<<EOD
|
|
1546
|
|
|
1547
|
l2tp_standard:
|
|
1548
|
set bundle disable multilink
|
|
1549
|
set bundle enable compression
|
|
1550
|
set bundle yes crypt-reqd
|
|
1551
|
set ipcp yes vjcomp
|
|
1552
|
# set ipcp ranges 131.188.69.161/32 131.188.69.170/28
|
|
1553
|
set ccp yes mppc
|
|
1554
|
set iface disable on-demand
|
|
1555
|
set iface enable proxy-arp
|
|
1556
|
set iface up-script /usr/local/sbin/vpn-linkup
|
|
1557
|
set iface down-script /usr/local/sbin/vpn-linkdown
|
|
1558
|
set link yes acfcomp protocomp
|
|
1559
|
set link no pap chap
|
|
1560
|
set link enable chap
|
|
1561
|
set link keep-alive 10 180
|
|
1562
|
|
|
1563
|
EOD;
|
|
1564
|
|
|
1565
|
if (is_ipaddr($l2tpcfg['wins'])) {
|
|
1566
|
$mpdconf .= " set ipcp nbns {$l2tpcfg['wins']}\n";
|
|
1567
|
}
|
|
1568
|
if (is_ipaddr($l2tpcfg['dns1'])) {
|
|
1569
|
$mpdconf .= " set ipcp dns " . $l2tpcfg['dns1'];
|
|
1570
|
if (is_ipaddr($l2tpcfg['dns2']))
|
|
1571
|
$mpdconf .= " " . $l2tpcfg['dns2'];
|
|
1572
|
$mpdconf .= "\n";
|
|
1573
|
} elseif (isset ($config['dnsmasq']['enable'])) {
|
|
1574
|
$mpdconf .= " set ipcp dns " . get_interface_ip("lan");
|
|
1575
|
if ($syscfg['dnsserver'][0])
|
|
1576
|
$mpdconf .= " " . $syscfg['dnsserver'][0];
|
|
1577
|
$mpdconf .= "\n";
|
|
1578
|
} elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
|
|
1579
|
$mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n";
|
|
1580
|
}
|
|
1581
|
|
|
1582
|
if (isset ($l2tpcfg['radius']['enable'])) {
|
|
1583
|
$mpdconf .=<<<EOD
|
|
1584
|
set radius server {$l2tpcfg['radius']['server']} "{$l2tpcfg['radius']['secret']}"
|
|
1585
|
set radius retries 3
|
|
1586
|
set radius timeout 10
|
|
1587
|
set auth enable radius-auth
|
|
1588
|
|
|
1589
|
EOD;
|
|
1590
|
|
|
1591
|
if (isset ($l2tpcfg['radius']['accounting'])) {
|
|
1592
|
$mpdconf .=<<<EOD
|
|
1593
|
set auth enable radius-acct
|
|
1594
|
|
|
1595
|
EOD;
|
|
1596
|
}
|
|
1597
|
}
|
|
1598
|
|
|
1599
|
fwrite($fd, $mpdconf);
|
|
1600
|
fclose($fd);
|
|
1601
|
|
|
1602
|
/* write mpd.links */
|
|
1603
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.links", "w");
|
|
1604
|
if (!$fd) {
|
|
1605
|
printf(gettext("Error: cannot open mpd.links in vpn_l2tp_configure().") . "\n");
|
|
1606
|
return 1;
|
|
1607
|
}
|
|
1608
|
|
|
1609
|
$mpdlinks = "";
|
|
1610
|
|
|
1611
|
for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) {
|
|
1612
|
$mpdlinks .=<<<EOD
|
|
1613
|
|
|
1614
|
l2tp{$i}:
|
|
1615
|
set link type l2tp
|
|
1616
|
set l2tp enable incoming
|
|
1617
|
set l2tp disable originate
|
|
1618
|
|
|
1619
|
EOD;
|
|
1620
|
if (!empty($l2tpcfg['secret']))
|
|
1621
|
$mpdlinks .= "set l2tp secret {$l2tpcfg['secret']}\n";
|
|
1622
|
}
|
|
1623
|
|
|
1624
|
fwrite($fd, $mpdlinks);
|
|
1625
|
fclose($fd);
|
|
1626
|
|
|
1627
|
/* write mpd.secret */
|
|
1628
|
$fd = fopen("{$g['varetc_path']}/l2tp-vpn/mpd.secret", "w");
|
|
1629
|
if (!$fd) {
|
|
1630
|
printf(gettext("Error: cannot open mpd.secret in vpn_l2tp_configure().") . "\n");
|
|
1631
|
return 1;
|
|
1632
|
}
|
|
1633
|
|
|
1634
|
$mpdsecret = "\n\n";
|
|
1635
|
|
|
1636
|
if (is_array($l2tpcfg['user'])) {
|
|
1637
|
foreach ($l2tpcfg['user'] as $user)
|
|
1638
|
$mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n";
|
|
1639
|
}
|
|
1640
|
|
|
1641
|
fwrite($fd, $mpdsecret);
|
|
1642
|
fclose($fd);
|
|
1643
|
chmod("{$g['varetc_path']}/l2tp-vpn/mpd.secret", 0600);
|
|
1644
|
|
|
1645
|
vpn_netgraph_support();
|
|
1646
|
|
|
1647
|
/* fire up mpd */
|
|
1648
|
mwexec("/usr/local/sbin/mpd4 -b -d {$g['varetc_path']}/l2tp-vpn -p {$g['varrun_path']}/l2tp-vpn.pid -s l2tps l2tps");
|
|
1649
|
|
|
1650
|
break;
|
|
1651
|
|
|
1652
|
case 'redir' :
|
|
1653
|
break;
|
|
1654
|
}
|
|
1655
|
|
|
1656
|
if ($g['booting'])
|
|
1657
|
echo "done\n";
|
|
1658
|
|
|
1659
|
return 0;
|
|
1660
|
}
|
|
1661
|
|
|
1662
|
/* Walk the tunnels for hostname endpoints. If the hostnames
|
|
1663
|
* resolve to a different IP now compared to the DNS cache
|
|
1664
|
* we reload the policies if the endpoint has changed */
|
|
1665
|
function vpn_ipsec_refresh_policies() {
|
|
1666
|
global $config;
|
|
1667
|
global $g;
|
|
1668
|
|
|
1669
|
$ipseccfg = $config['ipsec'];
|
|
1670
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
1671
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
1672
|
|
|
1673
|
if (isset($ipseccfg['disable'])) {
|
|
1674
|
return true;
|
|
1675
|
}
|
|
1676
|
|
|
1677
|
/* Walk the Ipsec tunnel array */
|
|
1678
|
if (!is_array($a_phase1) || (!count($a_phase1)))
|
|
1679
|
return;
|
|
1680
|
|
|
1681
|
foreach ($a_phase1 as $phase1) {
|
|
1682
|
if (isset($phase1['disabled']))
|
|
1683
|
continue;
|
|
1684
|
if (is_ipaddr($phase1['remote-gateway']))
|
|
1685
|
continue;
|
|
1686
|
if (!is_ipaddr($phase1['remote-gateway'])) {
|
|
1687
|
$dnscache = compare_hostname_to_dnscache($phase1['remote-gateway']);
|
|
1688
|
$dnscache = trim($dnscache);
|
|
1689
|
/* we should have the old IP addresses in the dnscache now */
|
|
1690
|
if(!empty($dnscache)) {
|
|
1691
|
$oldphase1 = $phase1;
|
|
1692
|
$oldphase1['remote-gateway'] = $dnscache;
|
|
1693
|
/* now we need to find all tunnels for this host */
|
|
1694
|
if (!is_array($a_phase2) || (!count($a_phase2)))
|
|
1695
|
continue;
|
|
1696
|
foreach ($a_phase2 as $phase2) {
|
|
1697
|
if ($phase2['ikeid'] == $phase1['ikeid'])
|
|
1698
|
reload_tunnel_spd_policy ($phase1, $phase2, $oldphase1, $oldphase2);
|
|
1699
|
}
|
|
1700
|
}
|
|
1701
|
}
|
|
1702
|
}
|
|
1703
|
|
|
1704
|
/* process all generated temporary spd.conf files */
|
|
1705
|
$tmpfiles = glob("{$g['tmp_path']}/spd.conf.reload.*");
|
|
1706
|
foreach($tmpfiles as $tmpfile) {
|
|
1707
|
$ret = mwexec("/usr/local/sbin/setkey -f {$tmpfile} 2>&1", false);
|
|
1708
|
if ($ret == 0)
|
|
1709
|
unlink_if_exists($tmpfile);
|
|
1710
|
else {
|
|
1711
|
$tmpfile = basename($tmpfile);
|
|
1712
|
@rename("{$g['tmp_path']}/{$tmpfile}", ("{$g['tmp_path']}/failed.{$tmpfile}"));
|
|
1713
|
}
|
|
1714
|
}
|
|
1715
|
}
|
|
1716
|
|
|
1717
|
/* reloads the tunnel configuration for a tunnel item
|
|
1718
|
* Will remove and add SPD polices */
|
|
1719
|
function reload_tunnel_spd_policy($phase1, $phase2, $old_phase1, $old_phase2) {
|
|
1720
|
global $config;
|
|
1721
|
global $g;
|
|
1722
|
|
|
1723
|
/* if we are not passed a old tunnel array we create one */
|
|
1724
|
if(empty($old_phase1)) {
|
|
1725
|
$old_phase1 = $phase1;
|
|
1726
|
}
|
|
1727
|
if(empty($old_phase2)) {
|
|
1728
|
$old_phase2 = $phase2;
|
|
1729
|
}
|
|
1730
|
|
|
1731
|
$sad_arr = ipsec_dump_sad();
|
|
1732
|
|
|
1733
|
$ep = ipsec_get_phase1_src($phase1);
|
|
1734
|
$phase2['localid']['mode'] = $phase2['mode'];
|
|
1735
|
$local_subnet = ipsec_idinfo_to_cidr($phase2['localid']);
|
|
1736
|
$remote_subnet = ipsec_idinfo_to_cidr($phase2['remoteid']);
|
|
1737
|
|
|
1738
|
/* make sure we pass the oldtunnel array with a IP for the remote gw */
|
|
1739
|
$old_gw = trim($old_phase1['remote-gateway']);
|
|
1740
|
|
|
1741
|
$old_ep = ipsec_get_phase1_src($old_phase1);
|
|
1742
|
$old_phase2['localid']['mode'] = $old_phase2['mode'];
|
|
1743
|
$old_local_subnet = ipsec_idinfo_to_cidr($old_phase2['localid']);
|
|
1744
|
$old_remote_subnet = ipsec_idinfo_to_cidr($old_phase2['remoteid']);
|
|
1745
|
|
|
1746
|
/* see if this tunnel has a hostname for the remote-gateway, and if so,
|
|
1747
|
* try to resolve it now and add it to the list for filterdns */
|
|
1748
|
$rgip = "";
|
|
1749
|
if (!is_ipaddr($phase1['remote-gateway'])) {
|
|
1750
|
if(! $g['booting']) {
|
|
1751
|
$rgip = resolve_retry($phase1['remote-gateway']);
|
|
1752
|
add_hostname_to_watch($phase1['remote-gateway']);
|
|
1753
|
} else {
|
|
1754
|
add_hostname_to_watch($phase1['remote-gateway']);
|
|
1755
|
}
|
|
1756
|
if (!is_ipaddr($rgip)) {
|
|
1757
|
log_error("Could not determine VPN endpoint for '{$phase1['descr']}'");
|
|
1758
|
return false;
|
|
1759
|
}
|
|
1760
|
} else {
|
|
1761
|
$rgip = $phase1['remote-gateway'];
|
|
1762
|
}
|
|
1763
|
if (!$ep) {
|
|
1764
|
log_error(sprintf(gettext("Could not determine VPN endpoint for '%s'"), $phase1['descr']));
|
|
1765
|
return false;
|
|
1766
|
}
|
|
1767
|
|
|
1768
|
if((!is_ipaddr($old_ep)) || (! is_ipaddr($ep))) {
|
|
1769
|
log_error(sprintf(gettext("IPSEC: ERROR: One of the endpoints is not a IP address. Old EP '%1\$s' new EP '%2\$s'"), $old_ep, $ep));
|
|
1770
|
}
|
|
1771
|
if((! is_ipaddr($rgip)) || (! is_ipaddr($old_gw))) {
|
|
1772
|
log_error(sprintf(gettext("IPSEC: ERROR: One of the remote endpoints is not a IP address. Old RG '%1\$s' new RG '%2\$s'"), $old_gw, $rgip));
|
|
1773
|
}
|
|
1774
|
|
|
1775
|
$spdconf = "";
|
|
1776
|
/* Delete old SPD policies if there are changes between the old and new */
|
|
1777
|
if(($phase1 != $old_phase1) || ($phase2 != $old_phase2)) {
|
|
1778
|
if($old_phase2['mode'] == "tunnel6")
|
|
1779
|
$family = "-6";
|
|
1780
|
else
|
|
1781
|
$family = "-4";
|
|
1782
|
|
|
1783
|
$spdconf .= "spddelete {$family} {$old_local_subnet} " .
|
|
1784
|
"{$old_remote_subnet} any -P out ipsec " .
|
|
1785
|
"{$old_phase2['protocol']}/tunnel/{$old_ep}-" .
|
|
1786
|
"{$old_gw}/unique;\n";
|
|
1787
|
if (!empty($old_phase2['natlocalid']))
|
|
1788
|
$old_local_subnet = ipsec_idinfo_to_cidr($old_phase2['natlocalid']);
|
|
1789
|
$spdconf .= "spddelete {$family} {$old_remote_subnet} " .
|
|
1790
|
"{$old_local_subnet} any -P in ipsec " .
|
|
1791
|
"{$old_phase2['protocol']}/tunnel/{$old_gw}-" .
|
|
1792
|
"{$old_ep}/unique;\n";
|
|
1793
|
|
|
1794
|
/* zap any existing SA entries */
|
|
1795
|
foreach($sad_arr as $sad) {
|
|
1796
|
if(($sad['dst'] == $old_ep) && ($sad['src'] == $old_gw)) {
|
|
1797
|
$spdconf .= "delete {$family} {$old_ep} {$old_gw} {$old_phase2['protocol']} 0x{$sad['spi']};\n";
|
|
1798
|
}
|
|
1799
|
if(($sad['src'] == $oldep) && ($sad['dst'] == $old_gw)) {
|
|
1800
|
$spdconf .= "delete {$family} {$old_gw} {$old_ep} {$old_phase2['protocol']} 0x{$sad['spi']};\n";
|
|
1801
|
}
|
|
1802
|
}
|
|
1803
|
}
|
|
1804
|
|
|
1805
|
if($phase2['mode'] == "tunnel6")
|
|
1806
|
$family = "-6";
|
|
1807
|
else
|
|
1808
|
$family = "-4";
|
|
1809
|
|
|
1810
|
/* Create new SPD entries for the new configuration */
|
|
1811
|
/* zap any existing SA entries beforehand */
|
|
1812
|
foreach($sad_arr as $sad) {
|
|
1813
|
if(($sad['dst'] == $ep) && ($sad['src'] == $rgip)) {
|
|
1814
|
$spdconf .= "delete {$family} {$rgip} {$ep} {$phase2['protocol']} 0x{$sad['spi']};\n";
|
|
1815
|
}
|
|
1816
|
if(($sad['src'] == $ep) && ($sad['dst'] == $rgip)) {
|
|
1817
|
$spdconf .= "delete {$family} {$ep} {$rgip} {$phase2['protocol']} 0x{$sad['spi']};\n";
|
|
1818
|
}
|
|
1819
|
}
|
|
1820
|
/* add new SPD policies to replace them */
|
|
1821
|
if (!isset($phase1['disabled'])) {
|
|
1822
|
$spdconf .= "spdadd {$family} {$local_subnet} " .
|
|
1823
|
"{$remote_subnet} any -P out ipsec " .
|
|
1824
|
"{$phase2['protocol']}/tunnel/{$ep}-" .
|
|
1825
|
"{$rgip}/unique;\n";
|
|
1826
|
|
|
1827
|
if (!empty($phase2['natlocalid']))
|
|
1828
|
$local_subnet = ipsec_idinfo_to_cidr($phase2['natlocalid']);
|
|
1829
|
$spdconf .= "spdadd {$family} {$remote_subnet} " .
|
|
1830
|
"{$local_subnet} any -P in ipsec " .
|
|
1831
|
"{$phase2['protocol']}/tunnel/{$rgip}-" .
|
|
1832
|
"{$ep}/unique;\n";
|
|
1833
|
}
|
|
1834
|
|
|
1835
|
log_error(sprintf(gettext("Reloading IPsec tunnel '%1\$s'. Previous IP '%2\$s', current IP '%3\$s'. Reloading policy"), $phase1['descr'], $old_gw, $rgip));
|
|
1836
|
|
|
1837
|
$now = time();
|
|
1838
|
$spdfile = tempnam("{$g['tmp_path']}", "spd.conf.reload.{$now}.");
|
|
1839
|
/* generate temporary spd.conf */
|
|
1840
|
@file_put_contents($spdfile, $spdconf);
|
|
1841
|
return true;
|
|
1842
|
}
|
|
1843
|
|
|
1844
|
function vpn_ipsec_configure_preferoldsa() {
|
|
1845
|
global $config;
|
|
1846
|
if(isset($config['ipsec']['preferoldsa']))
|
|
1847
|
mwexec("/sbin/sysctl -w net.key.preferred_oldsa=-30");
|
|
1848
|
else
|
|
1849
|
mwexec("/sbin/sysctl net.key.preferred_oldsa=0");
|
|
1850
|
}
|
|
1851
|
|
|
1852
|
?>
|