<?php /* Copyright (C) 2004 Scott Ullrich Copyright (C) 2008 Shrew Soft Inc Copyright (C) 2008 Ermal Luçi Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ require_once("ipsec.inc"); function vpn_ipsec_configure_loglevels($forconfig = false) { global $config, $ipsec_loglevels; $cfgtext = array(); foreach ($ipsec_loglevels as $lkey => $ldescr) { if (!isset($config['ipsec']["ipsec_{$lkey}"]) && !$forconfig) mwexec("/usr/local/sbin/ipsec stroke loglevel {$lkey} -- -1", false); else if (is_numeric($config['ipsec']["ipsec_{$lkey}"]) && intval($config['ipsec']["ipsec_{$lkey}"]) >= 1 && intval($config['ipsec']["ipsec_{$lkey}"]) <= 5) $forconfig ? $cfgtext[] = "${lkey} " . (intval($config['ipsec']["ipsec_{$lkey}"]) - 1) : mwexec("/usr/local/sbin/ipsec stroke loglevel {$lkey} " . (intval($config['ipsec']["ipsec_{$lkey}"]) - 1) , false); } if ($forconfig) return implode(',', $cfgtext); } /* include all configuration functions */ function vpn_ipsec_convert_to_modp($index) { $convertion = ""; switch ($index) { case '1': $convertion = "modp768"; break; case '2': $convertion = "modp1024"; break; case '5': $convertion = "modp1536"; break; case '14': $convertion = "modp2048"; break; case '15': $convertion = "modp3072"; break; case '16': $convertion = "modp4096"; break; case '17': $convertion = "modp6144"; break; case '18': $convertion = "modp8192"; break; } return $convertion; } function vpn_ipsec_configure($ipchg = false) { global $config, $g, $sa, $sn, $p1_ealgos, $p2_ealgos; /* get the automatic ping_hosts.sh ready */ @unlink('/var/db/ipsecpinghosts'); touch('/var/db/ipsecpinghosts'); vpn_ipsec_configure_preferoldsa(); $syscfg = $config['system']; $ipseccfg = $config['ipsec']; $a_phase1 = isset($config['ipsec']['phase1']) ? $config['ipsec']['phase1'] : array(); $a_phase2 = isset($config['ipsec']['phase2']) ? $config['ipsec']['phase2'] : array(); $a_client = isset($config['ipsec']['client']) ? $config['ipsec']['client'] : array(); if (!isset($ipseccfg['enable'])) { /* try to stop charon */ mwexec('/usr/local/sbin/ipsec stop'); /* Stop dynamic monitoring */ killbypid('/var/run/filterdns-ipsec.pid'); /* wait for process to die */ sleep(2); /* disallow IPSEC, it is off */ mwexec("/sbin/ifconfig enc0 down"); set_single_sysctl("net.inet.ip.ipsec_in_use", "0"); return 0; } else { $certpath = "/usr/local/etc/ipsec.d/certs"; $capath = "/usr/local/etc/ipsec.d/cacerts"; $keypath = "/usr/local/etc/ipsec.d/private"; mwexec("/sbin/ifconfig enc0 up"); set_single_sysctl("net.inet.ip.ipsec_in_use", "1"); /* needed directories for config files */ @mkdir($capath); @mkdir($keypath); @mkdir($certpath); @mkdir('/usr/local/etc/ipsec.d'); @mkdir('/usr/local/etc/ipsec.d/crls'); @mkdir('/usr/local/etc/ipsec.d/aacerts'); @mkdir('/usr/local/etc/ipsec.d/acerts'); @mkdir('/usr/local/etc/ipsec.d/ocspcerts'); @mkdir('/usr/local/etc/ipsec.d/reqs'); if (file_exists("/var/run/booting")) echo gettext("Configuring IPsec VPN... "); /* fastforwarding is not compatible with ipsec tunnels */ set_single_sysctl("net.inet.ip.fastforwarding", "0"); /* resolve all local, peer addresses and setup pings */ $ipmap = array(); $rgmap = array(); $filterdns_list = array(); $listeniflist = array(); unset($iflist); if (is_array($a_phase1) && count($a_phase1)) { $ipsecpinghosts = ""; /* step through each phase1 entry */ foreach ($a_phase1 as $ph1ent) { if (isset($ph1ent['disabled'])) continue; $ikeid = $ph1ent['ikeid']; $listeniflist = get_real_interface($a_phase1['interface']); $ep = ipsec_get_phase1_src($ph1ent); if (!is_ipaddr($ep)) continue; if(!in_array($ep,$ipmap)) $ipmap[] = $ep; /* see if this tunnel has a hostname for the remote-gateway. If so, try to resolve it now and add it to the list for filterdns */ if (isset ($ph1ent['mobile'])) continue; $rg = $ph1ent['remote-gateway']; if (!is_ipaddr($rg)) { $filterdns_list[] = "{$rg}"; add_hostname_to_watch($rg); if(! file_exists("/var/run/booting")) $rg = resolve_retry($rg); if (!is_ipaddr($rg)) continue; } if(array_search($rg, $rgmap)) { log_error("The remote gateway {$rg} already exists on another phase 1 entry"); continue; } $rgmap[$ph1ent['remote-gateway']] = $rg; if (isset($a_phase2)) { /* step through each phase2 entry */ foreach ($a_phase2 as $ph2ent) { if (isset($ph2ent['disabled'])) { continue; } if ($ikeid != $ph2ent['ikeid']) { continue; } /* add an ipsec pinghosts entry */ if ($ph2ent['pinghost']) { if (!is_array($iflist)) { $iflist = get_configured_interface_list(); } $viplist = get_configured_vips_list(); $srcip = null; $local_subnet = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']); if(is_ipaddrv6($ph2ent['pinghost'])) { foreach ($iflist as $ifent => $ifname) { $interface_ip = get_interface_ipv6($ifent); if (!is_ipaddrv6($interface_ip)) { continue; } if (ip_in_subnet($interface_ip, $local_subnet)) { $srcip = $interface_ip; break; } } } else { foreach ($iflist as $ifent => $ifname) { $interface_ip = get_interface_ip($ifent); if (!is_ipaddrv4($interface_ip)) { continue; } if ($local_subnet == "0.0.0.0/0" || ip_in_subnet($interface_ip, $local_subnet)) { $srcip = $interface_ip; break; } } } /* if no valid src IP was found in configured interfaces, try the vips */ if (is_null($srcip)) { foreach ($viplist as $vip) { if (ip_in_subnet($vip['ipaddr'], $local_subnet)) { $srcip = $vip['ipaddr']; break; } } } $dstip = $ph2ent['pinghost']; if(is_ipaddrv6($dstip)) { $family = "inet6"; } else { $family = "inet"; } if (is_ipaddr($srcip)) $ipsecpinghosts[] = "{$srcip}|{$dstip}|3|||||{$family}|\n"; } } } } @file_put_contents('/var/db/ipsecpinghosts', $ipsecpinghosts); unset($ipsecpinghosts); } unset($iflist); $strongswan = <<<EOD #Automatically generated please do not modify starter { load_warning = no } charon { # number of worker threads in charon threads = 16 ikesa_table_size = 32 ikesa_table_segments = 4 init_limit_half_open = 1000; # XXX: There is not much choice here really users win their security! i_dont_care_about_security_and_use_aggressive_mode_psk=yes # And two loggers using syslog. The subsections define the facility to log # to, currently one of: daemon, auth. syslog { identifier = charon # default level to the LOG_DAEMON facility daemon { } # very minimalistic IKE auditing logs to LOG_AUTHPRIV auth { default = -1 ike = 1 ike_name = yes } } EOD; if (is_array($a_client) && isset($a_client['enable']) && isset($a_client['net_list'])) $strongswan .= "\tcisco_unity = yes\n"; $strongswan .= "\tplugins {\n"; if (is_array($a_client) && isset($a_client['enable'])) { $strongswan .= "\t\tattr {\n"; if ($a_client['pool_address'] && $a_client['pool_netbits']) $strongswan .= "\t\tsubnet = {$a_client['pool_address']}/{$a_client['pool_netbits']}\n"; $cfgservers = array(); if (!empty($a_client['dns_server1'])) $cfgservers[] = $a_client['dns_server1']; if (!empty($a_client['dns_server2'])) $cfgservers[] = $a_client['dns_server2']; if (!empty($a_client['dns_server3'])) $cfgservers[] = $a_client['dns_server3']; if (!empty($a_client['dns_server4'])) $cfgservers[] = $a_client['dns_server4']; if (!empty($cfgservers)) $strongswan .= "\t\tdns = " . implode(",", $cfgservers) . "\n"; unset($cfgservers); $cfgservers = array(); if (!empty($a_client['wins_server1'])) $cfgservers[] = $a_client['wins_server1']; if (!empty($a_client['wins_server2'])) $cfgservers[] = $a_client['wins_server2']; if (!empty($cfgservers)) $strongswan .= "\t\tnbns = " . implode(",", $cfgservers) . "\n"; unset($cfgservers); if (isset($a_client['net_list'])) { $net_list = ''; foreach ($a_phase2 as $ph2ent) { if (isset($ph2ent['disabled'])) continue; if (!isset($ph2ent['mobile'])) continue; $localid = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']); if (!empty($net_list)) $net_list .= ","; $net_list .= $localid; } if (!empty($net_list)) { $strongswan .= "\t\tsplit-include = {$net_list}\n"; unset($net_list); } } if (!empty($a_client['dns_domain'])) { $strongswan .= "\t\t# Search domain and default domain\n"; $strongswan .= "\t\t28674 = {$a_client['dns_domain']}\n"; if (empty($a_client['dns_split'])) $strongswan .= "\t\t28675 = {$a_client['dns_domain']}"; $strongswan .= "\n"; } if (!empty($a_client['dns_split'])) { $strongswan .= "\t\t28675 = {$a_client['dns_split']}\n"; } if (!empty($a_client['login_banner'])) $strongswan .= "\t\t28672 = {$a_client['login_banner']}\n"; if (isset($a_client['save_passwd'])) $strongswan .= "\t\t28673 = yes\n"; if ($a_client['pfs_group']) $strongswan .= "\t\t28679 = {$a_client['pfs_group']}\n"; $strongswan .= "\t\t}\n"; if ($a_client['user_source'] != "none") { $strongswan .= "\txauth-generic {\n"; $strongswan .= "\t\tscript = /usr/local/etc/inc/ipsec.auth-user.php\n"; $strongswan .= "\t\tauthcfg = "; $firstsed = 0; $authcfgs = explode(",", $a_client['user_source']); foreach ($authcfgs as $authcfg) { if ($firstsed > 0) $strongswan .= ","; if ($authcfg == "system") $authcfg = "Local Database"; $strongswan .= $authcfg; $firstsed = 1; } $strongswan .= "\n"; $strongswan .= "\t}\n"; } } $strongswan .= "\t}\n}\n"; @file_put_contents("/usr/local/etc/strongswan.conf", $strongswan); unset($strongswan); /* generate CA certificates files */ if (is_array($config['ca']) && count($config['ca'])) { foreach ($config['ca'] as $ca) { if (!isset($ca['crt'])) { log_error(sprintf(gettext("Error: Invalid certificate info for %s"), $ca['descr'])); continue; } $cert = base64_decode($ca['crt']); $x509cert = openssl_x509_parse(openssl_x509_read($cert)); if (!is_array($x509cert) || !isset($x509cert['hash'])) { log_error(sprintf(gettext("Error: Invalid certificate hash info for %s"), $ca['descr'])); continue; } $fname = "{$capath}/{$x509cert['hash']}.0.crt"; if (!@file_put_contents($fname, $cert)) { log_error(sprintf(gettext("Error: Cannot write IPsec CA file for %s"), $ca['descr'])); continue; } unset($cert); } } $pskconf = ""; if (is_array($a_phase1) && count($a_phase1)) { foreach ($a_phase1 as $ph1ent) { if (isset($ph1ent['disabled'])) continue; if (strpos($ph1ent['authentication_method'], 'rsa') || $ph1ent['authentication_method'] == 'eap-tls') { $certline = ''; $ikeid = $ph1ent['ikeid']; $cert = lookup_cert($ph1ent['certref']); if (!$cert) { log_error(sprintf(gettext("Error: Invalid phase1 certificate reference for %s"), $ph1ent['name'])); continue; } @chmod($certpath, 0600); $ph1keyfile = "{$keypath}/cert-{$ikeid}.key"; if (!file_put_contents($ph1keyfile, base64_decode($cert['prv']))) { log_error(sprintf(gettext("Error: Cannot write phase1 key file for %s"), $ph1ent['name'])); continue; } @chmod($ph1keyfile, 0600); $ph1certfile = "{$certpath}/cert-{$ikeid}.crt"; if (!file_put_contents($ph1certfile, base64_decode($cert['crt']))) { log_error(sprintf(gettext("Error: Cannot write phase1 certificate file for %s"), $ph1ent['name'])); @unlink($ph1keyfile); continue; } @chmod($ph1certfile, 0600); /* XXX" Traffic selectors? */ $pskconf .= " : RSA {$ph1keyfile}\n"; } else { list ($myid_type, $myid_data) = ipsec_find_id($ph1ent, "local"); list ($peerid_type, $peerid_data) = ipsec_find_id($ph1ent, "peer", $rgmap); if (empty($peerid_data)) continue; $myid = isset($ph1ent['mobile']) ? trim($myid_data) . " " : ""; $peerid = ($peerid_data != "allusers") ? trim($peerid_data) : ""; if (!empty($ph1ent['pre-shared-key'])) $pskconf .= $myid . $peerid . " : PSK \"" . trim($ph1ent['pre-shared-key']) . "\"\n"; } } } /* Add user PSKs */ if (is_array($config['system']) && is_array($config['system']['user'])) { foreach ($config['system']['user'] as $user) { if (!empty($user['ipsecpsk'])) { $pskconf .= "{$user['name']} : PSK \"{$user['ipsecpsk']}\"\n"; } } unset($user); } /* add PSKs for mobile clients */ if (is_array($ipseccfg['mobilekey'])) { foreach ($ipseccfg['mobilekey'] as $key) { if ($key['ident'] == "allusers") $key['ident'] = ''; $pskconf .= "{$key['ident']} : PSK \"{$key['pre-shared-key']}\"\n"; } unset($key); } @file_put_contents("/usr/local/etc/ipsec.secrets", $pskconf); chmod("/usr/local/etc/ipsec.secrets", 0600); unset($pskconf); $natfilterrules = false; /* begin ipsec.conf */ $ipsecconf = ""; if (is_array($a_phase1) && count($a_phase1)) { $ipsecconf .= "# This file is automatically generated. Do not edit\n"; $ipsecconf .= "config setup\n\tuniqueids = yes\n"; $ipsecconf .= "\tcharondebug=\"" . vpn_ipsec_configure_loglevels(true) . "\"\n"; foreach ($a_phase1 as $ph1ent) { if (isset($ph1ent['disabled'])) continue; if ($ph1ent['mode'] == "aggressive") $aggressive = "yes"; else $aggressive = "no"; $ep = ipsec_get_phase1_src($ph1ent); if (!$ep) continue; $ikeid = $ph1ent['ikeid']; $keyexchange = "ikev1"; $passive = "route"; if (!empty($ph1ent['iketype']) && $ph1ent['iketype'] != "ikev1") { $keyexchange = "ikev2"; //$passive = "start"; } else $passive = "route"; if (isset($ph1ent['mobile'])) { $right_spec = "%any"; $passive = 'add'; } else $right_spec = $ph1ent['remote-gateway']; list ($myid_type, $myid_data) = ipsec_find_id($ph1ent, "local"); list ($peerid_type, $peerid_data) = ipsec_find_id($ph1ent, "peer", $rgmap); /* Only specify peer ID if we are not dealing with a mobile PSK-only tunnel */ $peerid_spec = ''; if (!isset($ph1ent['mobile'])) $peerid_spec = $peerid_data; if (is_array($ph1ent['encryption-algorithm']) && !empty($ph1ent['encryption-algorithm']['name']) && !empty($ph1ent['hash-algorithm'])) { $ealgosp1 = ''; $ealg_id = $ph1ent['encryption-algorithm']['name']; $ealg_kl = $ph1ent['encryption-algorithm']['keylen']; if ($ealg_kl) $ealgosp1 = "ike = {$ealg_id}{$ealg_kl}-{$ph1ent['hash-algorithm']}"; else $ealgosp1 = "ike = {$ealg_id}-{$ph1ent['hash-algorithm']}"; $modp = vpn_ipsec_convert_to_modp($ph1ent['dhgroup']); if (!empty($modp)) $ealgosp1 .= "-{$modp}"; $ealgosp1 .= "!"; } if ($ph1ent['dpd_delay'] && $ph1ent['dpd_maxfail']) { if ($passive == "route") $dpdline = "dpdaction = restart"; else $dpdline = "dpdaction = clear"; $dpdline .= "\n\tdpddelay = {$ph1ent['dpd_delay']}s"; $dpdtimeout = $ph1ent['dpd_delay'] * ($ph1ent['dpd_maxfail'] + 1); $dpdline .= "\n\tdpdtimeout = {$dpdtimeout}s"; } else $dpdline = "dpdaction = none"; $ikelifeline = ''; if ($ph1ent['lifetime']) $ikelifeline = "ikelifetime = {$ph1ent['lifetime']}s"; $rightsourceip = NULL; if (!empty($a_client['pool_address'])) $rightsourceip = "\trightsourceip = {$a_client['pool_address']}/{$a_client['pool_netbits']}\n"; $authentication = ""; switch ($ph1ent['authentication_method']) { case 'eap-tls': $authentication = "leftauth=eap-tls\n\trightauth=eap-tls"; if (!empty($ph1ent['certref'])) $authentication .= "\n\tleftcert={$certpath}/cert-{$ph1ent['ikeid']}.crt"; break; case 'xauth_rsa_server': $authentication = "leftauth = pubkey\n\trightauth = pubkey"; $authentication .= "\n\trightauth2 = xauth-generic"; break; case 'xauth_psk_server': $authentication = "leftauth = psk\n\trightauth = psk"; $authentication .= "\n\trightauth2 = xauth-generic"; break; case 'pre_shared_key': $authentication = "leftauth = psk\n\trightauth = psk"; break; case 'rsasig': $authentication = "leftauth = pubkey\n\trightauth = pubkey"; break; case 'hybrid_rsa_server': $authentication = "leftauth = xauth-generic\n\trightauth = pubkey"; $authentication .= "\n\trightauth2 = xauth"; break; } $left_spec = $ep; if (isset($ph1ent['reauth_enable'])) $reauth = "reauth = no"; else $reauth = "reauth = yes"; if (isset($ph1ent['rekey_enable'])) $rekey = "rekey = no"; else $rekey = "rekey = yes"; $ipseclifetime = 0; $rightsubnet_spec = array(); $leftsubnet_spec = array(); $ealgoAHsp2arr = array(); $ealgoESPsp2arr = array(); if (is_array($a_phase2) && count($a_phase2)) { foreach ($a_phase2 as $ph2ent) { if ($ikeid != $ph2ent['ikeid']) continue; if (isset($ph2ent['disabled'])) continue; if (isset($ph2ent['mobile']) && !isset($a_client['enable'])) continue; if (($ph2ent['mode'] == 'tunnel') or ($ph2ent['mode'] == 'tunnel6')) { $tunneltype = "type = tunnel"; $localid_type = $ph2ent['localid']['type']; $leftsubnet_data = ipsec_idinfo_to_cidr($ph2ent['localid'], false, $ph2ent['mode']); /* Do not print localid in some cases, such as a pure-psk or psk/xauth single phase2 mobile tunnel */ if (($localid_type == "none" || $localid_type == "mobile") && isset($ph1ent['mobile']) && (ipsec_get_number_of_phase2($ikeid)==1)) { $left_spec = '%any'; } else { if ($localid_type != "address") { $localid_type = "subnet"; } // Don't let an empty subnet into config, it can cause parse errors. Ticket #2201. if (!is_ipaddr($leftsubnet_data) && !is_subnet($leftsubnet_data) && ($leftsubnet_data != "0.0.0.0/0")) { log_error("Invalid IPsec Phase 2 \"{$ph2ent['descr']}\" - {$ph2ent['localid']['type']} has no subnet."); continue; } if (!empty($ph2ent['natlocalid'])) { $natleftsubnet_data = ipsec_idinfo_to_cidr($ph2ent['natlocalid'], false, $ph2ent['mode']); if ($ph2ent['natlocalid']['type'] != "address") { if (is_subnet($natleftsubnet_data)) $leftsubnet_data = "{$natleftsubnet_data}|{$leftsubnet_data}"; } else { if (is_ipaddr($natleftsubnet_data)) $leftsubnet_data = "{$natleftsubnet_data}|{$leftsubnet_data}"; } $natfilterrules = true; } } if (empty($leftsubnet_spec[$leftsubnet_data])) $leftsubnet_spec[$leftsubnet_data] = $leftsubnet_data; if (!isset($ph2ent['mobile'])) { $tmpsubnet = ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']); if (empty($rightsubnet_spec[$tmpsubnet])) $rightsubnet_spec[$tmpsubnet] = $tmpsubnet; } else if (!empty($a_client['pool_address'])) { if (empty($rightsubnet_spec["{$a_client['pool_address']}/{$a_client['pool_netbits']}"])) $rightsubnet_spec["{$a_client['pool_address']}/{$a_client['pool_netbits']}"] = "{$a_client['pool_address']}/{$a_client['pool_netbits']}"; } } else { $tunneltype = "type = transport"; if ((($ph1ent['authentication_method'] == "xauth_psk_server") || ($ph1ent['authentication_method'] == "pre_shared_key")) && isset($ph1ent['mobile'])) { $left_spec = "%any"; } else { $tmpsubnet = ipsec_get_phase1_src($ph1ent); if ($leftsubnet_spec[$tmpsubnet]) $leftsubnet_spec[$tmpsubnet] = $tmpsubnet; } if (!isset($ph2ent['mobile'])) { if (empty($rightsubnet_spec[$right_spec])) $rightsubnet_spec[$right_spec] = $right_spec; } } if (isset($a_client['pfs_group'])) $ph2ent['pfsgroup'] = $a_client['pfs_group']; if ($ph2ent['protocol'] == 'esp') { if (is_array($ph2ent['encryption-algorithm-option'])) { foreach ($ph2ent['encryption-algorithm-option'] as $ealg) { $ealg_id = $ealg['name']; $ealg_kl = $ealg['keylen']; if (!empty($ealg_kl) && $ealg_kl == "auto") { if (empty($p2_ealgos) || !is_array($p2_ealgos)) require_once("ipsec.inc"); $key_hi = $p2_ealgos[$ealg_id]['keysel']['hi']; $key_lo = $p2_ealgos[$ealg_id]['keysel']['lo']; $key_step = $p2_ealgos[$ealg_id]['keysel']['step']; /* XXX: in some cases where include ordering is suspect these variables * are somehow 0 and we enter this loop forever and timeout after 900 * seconds wrecking bootup */ if ($key_hi != 0 and $key_lo !=0 and $key_step !=0) { for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step) { if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) { foreach ($ph2ent['hash-algorithm-option'] as $halgo) { $halgo = str_replace('hmac_', '', $halgo); $tmpealgo = "{$ealg_id}{$keylen}-{$halgo}"; $modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']); if (!empty($modp)) $tmpealgo .= "-{$modp}"; $ealgoESPsp2arr[] = $tmpealgo; } } else { $tmpealgo = "{$ealg_id}{$keylen}"; $modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']); if (!empty($modp)) $tmpealgo .= "-{$modp}"; $ealgoESPsp2arr[] = $tmpealgo; } } } } else { if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) { foreach ($ph2ent['hash-algorithm-option'] as $halgo) { $halgo = str_replace('hmac_', '', $halgo); $tmpealgo = "{$ealg_id}{$ealg_kl}-{$halgo}"; $modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']); if (!empty($modp)) $tmpealgo .= "-{$modp}"; $ealgoESPsp2arr[] = $tmpealgo; } } else { $tmpealgo = "{$ealg_id}{$ealg_kl}"; $modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']); if (!empty($modp)) $tmpealgo .= "-{$modp}"; $ealgoESPsp2arr[] = $tmpealgo; } } } } } else if ($ph2ent['protocol'] == 'ah') { if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])) { $modp = vpn_ipsec_convert_to_modp($ph2ent['pfsgroup']); foreach ($ph2ent['hash-algorithm-option'] as $tmpAHalgo) { $tmpAHalgo = str_replace('hmac_', '', $tmpAHalgo); if (!empty($modp)) $tmpAHalgo = "-{$modp}"; $ealgoAHsp2arr[] = $tmpAHalgo; } } } if (!empty($ph2ent['lifetime'])) { if ($ipseclifetime == 0 || intval($ipseclifetime) > intval($ph2ent['lifetime'])) $ipseclifetime = intval($ph2ent['lifetime']); } } } $ipsecconf .=<<<EOD conn con{$ph1ent['ikeid']} aggressive = {$aggressive} fragmentation = yes keyexchange = {$keyexchange} {$reauth} {$rekey} reqid = {$ikeid} installpolicy = yes {$tunneltype} {$dpdline} auto = {$passive} left = {$left_spec} right = {$right_spec} leftid = {$myid_data} EOD; if (!empty($ikelifeline)) $ipsecconf .= "\t{$ikelifeline}\n"; if ($ipseclifetime > 0) $ipsecconf .= "\tlifetime = {$ipseclifetime}s\n"; if (!empty($rightsourceip)) $ipsecconf .= "{$rightsourceip}"; if (!empty($rightsubnet_spec)) $ipsecconf .= "\trightsubnet = " . join(",", $rightsubnet_spec) . "\n"; if (!empty($leftsubnet_spec)) $ipsecconf .= "\tleftsubnet = " . join(",", $leftsubnet_spec) . "\n"; if (!empty($ealgosp1)) $ipsecconf .= "\t{$ealgosp1}\n"; if (!empty($ealgoAHsp2arr)) $ipsecconf .= "\tah = " . join(',', $ealgoAHsp2arr) . "!\n"; if (!empty($ealgoESPsp2arr)) { file_put_contents("/var/etc/ipsec/dump_test", print_r($ealgoESPsp2arr, true)); $ipsecconf .= "\tesp = " . join(',', $ealgoESPsp2arr) . "!\n"; } if (!empty($authentication)) $ipsecconf .= "\t{$authentication}\n"; if (!empty($peerid_spec)) $ipsecconf .= "\trightid = {$peerid_spec}\n"; } } } @file_put_contents("/usr/local/etc/ipsec.conf", $ipsecconf); unset($ipsecconf); /* end ipsec.conf */ /* mange process */ if (isvalidpid('/var/run/charon.pid')) { /* Read secrets */ mwexec('/usr/local/sbin/ipsec rereadall', false); /* Update configuration changes */ mwexec('/usr/local/sbin/ipsec reload', false); } else { mwexec("/usr/local/sbin/ipsec start", false); } if ($natfilterrules == true) filter_configure(); /* start filterdns, if necessary */ if (count($filterdns_list) > 0) { $interval = 60; if (!empty($ipseccfg['dns-interval']) && is_numeric($ipseccfg['dns-interval'])) $interval = $ipseccfg['dns-interval']; $hostnames = ""; array_unique($filterdns_list); foreach ($filterdns_list as $hostname) $hostnames .= "cmd {$hostname} '/usr/local/opnsense/service/configd_ctl.py \"ipsecdns reload\"'\n"; file_put_contents("/usr/local/etc/filterdns-ipsec.hosts", $hostnames); unset($hostnames); if (isvalidpid('/var/run/filterdns-ipsec.pid')) { killbypid('/var/run/filterdns-ipsec.pid', 'HUP'); } else { mwexec("/usr/local/sbin/filterdns -p /var/run/filterdns-ipsec.pid -i {$interval} -c /usr/local/etc/filterdns-ipsec.hosts -d 1"); } } else { killbypid('/var/run/filterdns-ipsec.pid'); } if (file_exists("/var/run/booting")) echo "done\n"; return count($filterdns_list); } /* * Forcefully restart IPsec * This is required for when dynamic interfaces reload * For all other occasions the normal vpn_ipsec_configure() * will gracefully reload the settings without restarting */ function vpn_ipsec_force_reload($interface = "") { global $g, $config; $ipseccfg = $config['ipsec']; if (!empty($interface) && isset($ipseccfg['phase1']) && is_array($ipseccfg['phase1'])) { $found = false; foreach ($ipseccfg['phase1'] as $ipsec) { if (!isset($ipsec['disabled']) && ($ipsec['interface'] == $interface)) { $found = true; break; } } if (!$found) { log_error(sprintf(gettext("Ignoring IPsec reload since there are no tunnels on interface %s"), $interface)); return; } } /* if ipsec is enabled, start up again */ if (isset($ipseccfg['enable'])) { log_error(gettext("Forcefully reloading IPsec")); vpn_ipsec_configure(); } } /* master setup for vpn (mpd) */ function vpn_setup() { global $g; /* start pptpd */ vpn_pptpd_configure(); /* start pppoe server */ vpn_pppoes_configure(); /* setup l2tp */ vpn_l2tp_configure(); } function vpn_netgraph_support() { $iflist = get_configured_interface_list(); foreach ($iflist as $iface) { $realif = get_real_interface($iface); /* Get support for netgraph(4) from the nic */ $ifinfo = pfSense_get_interface_addresses($realif); if (!empty($ifinfo) && in_array($ifinfo['iftype'], array("ether", "vlan", "bridge"))) pfSense_ngctl_attach(".", $realif); } } function vpn_pptpd_configure() { global $config, $g; $syscfg = $config['system']; $pptpdcfg = $config['pptpd']; if (file_exists("/var/run/booting")) { if (!$pptpdcfg['mode'] || ($pptpdcfg['mode'] == "off")) return 0; echo gettext("Configuring PPTP VPN service... "); } else { /* kill mpd */ killbypid('/var/run/pptp-vpn.pid'); /* wait for process to die */ sleep(3); if (is_process_running("mpd -b")) { killbypid('/var/run/pptp-vpn.pid'); log_error(gettext("Could not kill mpd within 3 seconds. Trying again.")); } /* remove mpd.conf, if it exists */ @unlink('/var/etc/pptp-vpn/mpd.conf'); @unlink('/var/etc/pptp-vpn/mpd.links'); @unlink('/var/etc/pptp-vpn/mpd.secret'); } if (empty($pptpdcfg['n_pptp_units'])) { log_error("Something wrong in the PPTPd configuration. Preventing starting the daemon because issues would arise."); return; } /* make sure pptp-vpn directory exists */ @mkdir('/var/etc/pptp-vpn'); switch ($pptpdcfg['mode']) { case 'server' : /* write mpd.conf */ $fd = fopen('/var/etc/pptp-vpn/mpd.conf', 'w'); if (!$fd) { printf(gettext("Error: cannot open mpd.conf in vpn_pptpd_configure().") . "\n"); return 1; } $mpdconf = <<<EOD pptps: EOD; for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) { $mpdconf .= " load pt{$i}\n"; } for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) { $clientip = long2ip32(ip2long($pptpdcfg['remoteip']) + $i); $mpdconf .= <<<EOD pt{$i}: new -i pptpd{$i} pt{$i} pt{$i} set ipcp ranges {$pptpdcfg['localip']}/32 {$clientip}/32 load pts EOD; } $mpdconf .=<<<EOD pts: set iface disable on-demand set iface enable proxy-arp set iface enable tcpmssfix set iface idle 1800 set iface up-script /usr/local/sbin/vpn-linkup set iface down-script /usr/local/sbin/vpn-linkdown set bundle enable multilink set bundle enable crypt-reqd set link yes acfcomp protocomp set link no pap chap set link enable chap-msv2 set link mtu 1460 set link keep-alive 10 60 set ipcp yes vjcomp set bundle enable compression set ccp yes mppc set ccp yes mpp-e128 set ccp yes mpp-stateless EOD; if (!isset ($pptpdcfg['req128'])) { $mpdconf .=<<<EOD set ccp yes mpp-e40 set ccp yes mpp-e56 EOD; } if (isset($pptpdcfg["wins"]) && $pptpdcfg['wins'] != "") $mpdconf .= " set ipcp nbns {$pptpdcfg['wins']}\n"; if (!empty($pptpdcfg['dns1'])) { $mpdconf .= " set ipcp dns " . $pptpdcfg['dns1']; if (!empty($pptpdcfg['dns2'])) $mpdconf .= " " . $pptpdcfg['dns2']; $mpdconf .= "\n"; } elseif (isset ($config['dnsmasq']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (isset($config['unbound']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) { $mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n"; } if (isset ($pptpdcfg['radius']['server']['enable'])) { $authport = (isset($pptpdcfg['radius']['server']['port']) && strlen($pptpdcfg['radius']['server']['port']) > 1) ? $pptpdcfg['radius']['server']['port'] : 1812; $acctport = $authport + 1; $mpdconf .=<<<EOD set radius server {$pptpdcfg['radius']['server']['ip']} "{$pptpdcfg['radius']['server']['secret']}" {$authport} {$acctport} EOD; if (isset ($pptpdcfg['radius']['server2']['enable'])) { $authport = (isset($pptpdcfg['radius']['server2']['port']) && strlen($pptpdcfg['radius']['server2']['port']) > 1) ? $pptpdcfg['radius']['server2']['port'] : 1812; $acctport = $authport + 1; $mpdconf .=<<<EOD set radius server {$pptpdcfg['radius']['server2']['ip']} "{$pptpdcfg['radius']['server2']['secret2']}" {$authport} {$acctport} EOD; } $mpdconf .=<<<EOD set radius retries 3 set radius timeout 10 set auth enable radius-auth EOD; if (isset ($pptpdcfg['radius']['accounting'])) { $mpdconf .=<<<EOD set auth enable radius-acct set radius acct-update 300 EOD; } } fwrite($fd, $mpdconf); fclose($fd); unset($mpdconf); /* write mpd.links */ $fd = fopen('/var/etc/pptp-vpn/mpd.links', 'w'); if (!$fd) { printf(gettext("Error: cannot open mpd.links in vpn_pptpd_configure().") . "\n"); return 1; } $mpdlinks = ""; for ($i = 0; $i < $pptpdcfg['n_pptp_units']; $i++) { $mpdlinks .=<<<EOD pt{$i}: set link type pptp set pptp enable incoming set pptp disable originate set pptp disable windowing EOD; } fwrite($fd, $mpdlinks); fclose($fd); unset($mpdlinks); /* write mpd.secret */ $fd = fopen('/var/etc/pptp-vpn/mpd.secret', 'w'); if (!$fd) { printf(gettext("Error: cannot open mpd.secret in vpn_pptpd_configure().") . "\n"); return 1; } $mpdsecret = ""; if (is_array($pptpdcfg['user'])) { foreach ($pptpdcfg['user'] as $user) { $pass = str_replace('\\', '\\\\', $user['password']); $pass = str_replace('"', '\"', $pass); $mpdsecret .= "{$user['name']} \"{$pass}\" {$user['ip']}\n"; } } fwrite($fd, $mpdsecret); fclose($fd); unset($mpdsecret); chmod('/var/etc/pptp-vpn/mpd.secret', 0600); vpn_netgraph_support(); /* fire up mpd */ mwexec('/usr/local/sbin/mpd4 -b -d /var/etc/pptp-vpn -p /var/run/pptp-vpn.pid -s pptps pptps'); break; case 'redir' : break; } if (file_exists("/var/run/booting")) echo "done\n"; return 0; } function vpn_pppoes_configure() { global $config; if (is_array($config['pppoes']['pppoe'])) { foreach ($config['pppoes']['pppoe'] as $pppoe) vpn_pppoe_configure($pppoe); } } function vpn_pppoe_configure(&$pppoecfg) { global $config, $g; $syscfg = $config['system']; /* create directory if it does not exist */ @mkdir("/var/etc/pppoe{$pppoecfg['pppoeid']}-vpn"); if (file_exists("/var/run/booting")) { if (!$pppoecfg['mode'] || ($pppoecfg['mode'] == "off")) return 0; echo gettext("Configuring PPPoE VPN service... "); } else { /* kill mpd */ killbypid("/var/run/pppoe{$pppoecfg['pppoeid']}-vpn.pid"); /* wait for process to die */ sleep(2); } switch ($pppoecfg['mode']) { case 'server' : $pppoe_interface = get_real_interface($pppoecfg['interface']); if ($pppoecfg['paporchap'] == "chap") $paporchap = "set link enable chap"; else $paporchap = "set link enable pap"; /* write mpd.conf */ $fd = fopen("/var/etc/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.conf", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.conf in vpn_pppoe_configure().") . "\n"); return 1; } $mpdconf = "\n\n"; $mpdconf .= "poes:\n"; for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) { $mpdconf .= " load poes{$pppoecfg['pppoeid']}{$i}\n"; } for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) { $clientip = long2ip32(ip2long($pppoecfg['remoteip']) + $i); if (isset($pppoecfg['radius']['radiusissueips']) && isset($pppoecfg['radius']['server']['enable'])) { $isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 0.0.0.0/0"; } else { $isssue_ip_type = "set ipcp ranges {$pppoecfg['localip']}/32 {$clientip}/32"; } $mpdconf .=<<<EOD poes{$pppoecfg['pppoeid']}{$i}: new -i poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i} poes{$pppoecfg['pppoeid']}{$i} {$isssue_ip_type} load pppoe_standard EOD; } $mpdconf .=<<<EOD pppoe_standard: set bundle no multilink set bundle enable compression set auth max-logins 1 set iface up-script /usr/local/sbin/vpn-linkup set iface down-script /usr/local/sbin/vpn-linkdown set iface idle 0 set iface disable on-demand set iface disable proxy-arp set iface enable tcpmssfix set iface mtu 1500 set link no pap chap {$paporchap} set link keep-alive 60 180 set ipcp yes vjcomp set ipcp no vjcomp set link max-redial -1 set link mtu 1492 set link mru 1492 set ccp yes mpp-e40 set ccp yes mpp-e128 set ccp yes mpp-stateless set link latency 1 #set ipcp dns 10.10.1.3 #set bundle accept encryption EOD; if (!empty($pppoecfg['dns1'])) { $mpdconf .= " set ipcp dns " . $pppoecfg['dns1']; if (!empty($pppoecfg['dns2'])) $mpdconf .= " " . $pppoecfg['dns2']; $mpdconf .= "\n"; } elseif (isset ($config['dnsmasq']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (isset ($config['unbound']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) { $mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n"; } if (isset ($pppoecfg['radius']['server']['enable'])) { $radiusport = ""; $radiusacctport = ""; if (isset($pppoecfg['radius']['server']['port'])) $radiusport = $pppoecfg['radius']['server']['port']; if (isset($pppoecfg['radius']['server']['acctport'])) $radiusacctport = $pppoecfg['radius']['server']['acctport']; $mpdconf .=<<<EOD set radius server {$pppoecfg['radius']['server']['ip']} "{$pppoecfg['radius']['server']['secret']}" {$radiusport} {$radiusacctport} set radius retries 3 set radius timeout 10 set auth enable radius-auth EOD; if (isset ($pppoecfg['radius']['accounting'])) { $mpdconf .=<<<EOD set auth enable radius-acct EOD; } } fwrite($fd, $mpdconf); fclose($fd); unset($mpdconf); /* write mpd.links */ $fd = fopen("/var/etc/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.links", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.links in vpn_pppoe_configure().") . "\n"); return 1; } $mpdlinks = ""; for ($i = 0; $i < $pppoecfg['n_pppoe_units']; $i++) { $mpdlinks .=<<<EOD poes{$pppoecfg['pppoeid']}{$i}: set phys type pppoe set pppoe iface {$pppoe_interface} set pppoe service "*" set pppoe disable originate set pppoe enable incoming EOD; } fwrite($fd, $mpdlinks); fclose($fd); unset($mpdlinks); if ($pppoecfg['username']) { /* write mpd.secret */ $fd = fopen("/var/etc/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.secret in vpn_pppoe_configure().") . "\n"); return 1; } $mpdsecret = "\n\n"; if (!empty($pppoecfg['username'])) { $item = explode(" ", $pppoecfg['username']); foreach($item as $userdata) { $data = explode(":", $userdata); $mpdsecret .= "{$data[0]} \"" . base64_decode($data[1]) . "\" {$data[2]}\n"; } } fwrite($fd, $mpdsecret); fclose($fd); unset($mpdsecret); chmod("/var/etc/pppoe{$pppoecfg['pppoeid']}-vpn/mpd.secret", 0600); } /* Check if previous instance is still up */ killbypid("/var/run/pppoe{$pppoecfg['pppoeid']}-vpn.pid"); /* Get support for netgraph(4) from the nic */ pfSense_ngctl_attach(".", $pppoe_interface); /* fire up mpd */ mwexec("/usr/local/sbin/mpd4 -b -d /var/etc/pppoe{$pppoecfg['pppoeid']}-vpn -p /var/run/pppoe{$pppoecfg['pppoeid']}-vpn.pid -s poes poes"); break; } if (file_exists("/var/run/booting")) echo gettext("done") . "\n"; return 0; } function vpn_l2tp_configure() { global $config, $g; $syscfg = $config['system']; $l2tpcfg = $config['l2tp']; if (file_exists("/var/run/booting")) { if (!$l2tpcfg['mode'] || ($l2tpcfg['mode'] == "off")) return 0; echo gettext("Configuring l2tp VPN service... "); } else { while (isvalidpid('/var/run/l2tp-vpn.pid')) { killbypid('/var/run/l2tp-vpn.pid'); usleep(250 * 1000); } } @mkdir('/var/etc/l2tp-vpn'); switch ($l2tpcfg['mode']) { case 'server' : if ($l2tpcfg['paporchap'] == "chap") $paporchap = "set link enable chap"; else $paporchap = "set link enable pap"; /* write mpd.conf */ $fd = fopen("/var/etc/l2tp-vpn/mpd.conf", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.conf in vpn_l2tp_configure().") . "\n"); return 1; } $mpdconf = "\n\n"; $mpdconf .=<<<EOD l2tps: EOD; for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) { $mpdconf .= " load l2tp{$i}\n"; } for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) { $clientip = long2ip32(ip2long($l2tpcfg['remoteip']) + $i); if (isset ($l2tpcfg['radius']['radiusissueips']) && isset ($l2tpcfg['radius']['enable'])) { $isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 0.0.0.0/0"; } else { $isssue_ip_type = "set ipcp ranges {$l2tpcfg['localip']}/32 {$clientip}/32"; } $mpdconf .=<<<EOD l2tp{$i}: new -i l2tp{$i} l2tp{$i} l2tp{$i} {$isssue_ip_type} load l2tp_standard EOD; } $mpdconf .=<<<EOD l2tp_standard: set bundle disable multilink set bundle enable compression set bundle yes crypt-reqd set ipcp yes vjcomp # set ipcp ranges 131.188.69.161/32 131.188.69.170/28 set ccp yes mppc set iface disable on-demand set iface enable proxy-arp set iface up-script /usr/local/sbin/vpn-linkup set iface down-script /usr/local/sbin/vpn-linkdown set link yes acfcomp protocomp set link no pap chap set link enable chap set link keep-alive 10 180 EOD; if (is_ipaddr($l2tpcfg['wins'])) { $mpdconf .= " set ipcp nbns {$l2tpcfg['wins']}\n"; } if (is_ipaddr($l2tpcfg['dns1'])) { $mpdconf .= " set ipcp dns " . $l2tpcfg['dns1']; if (is_ipaddr($l2tpcfg['dns2'])) $mpdconf .= " " . $l2tpcfg['dns2']; $mpdconf .= "\n"; } elseif (isset ($config['dnsmasq']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (isset ($config['unbound']['enable'])) { $mpdconf .= " set ipcp dns " . get_interface_ip("lan"); if ($syscfg['dnsserver'][0]) $mpdconf .= " " . $syscfg['dnsserver'][0]; $mpdconf .= "\n"; } elseif (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) { $mpdconf .= " set ipcp dns " . join(" ", $syscfg['dnsserver']) . "\n"; } if (isset ($l2tpcfg['radius']['enable'])) { $mpdconf .=<<<EOD set radius server {$l2tpcfg['radius']['server']} "{$l2tpcfg['radius']['secret']}" set radius retries 3 set radius timeout 10 set auth enable radius-auth EOD; if (isset ($l2tpcfg['radius']['accounting'])) { $mpdconf .=<<<EOD set auth enable radius-acct EOD; } } fwrite($fd, $mpdconf); fclose($fd); unset($mpdconf); /* write mpd.links */ $fd = fopen("/var/etc/l2tp-vpn/mpd.links", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.links in vpn_l2tp_configure().") . "\n"); return 1; } $mpdlinks = ""; for ($i = 0; $i < $l2tpcfg['n_l2tp_units']; $i++) { $mpdlinks .=<<<EOD l2tp{$i}: set link type l2tp set l2tp enable incoming set l2tp disable originate EOD; if (!empty($l2tpcfg['secret'])) $mpdlinks .= "set l2tp secret {$l2tpcfg['secret']}\n"; } fwrite($fd, $mpdlinks); fclose($fd); unset($mpdlinks); /* write mpd.secret */ $fd = fopen("/var/etc/l2tp-vpn/mpd.secret", "w"); if (!$fd) { printf(gettext("Error: cannot open mpd.secret in vpn_l2tp_configure().") . "\n"); return 1; } $mpdsecret = "\n\n"; if (is_array($l2tpcfg['user'])) { foreach ($l2tpcfg['user'] as $user) $mpdsecret .= "{$user['name']} \"{$user['password']}\" {$user['ip']}\n"; } fwrite($fd, $mpdsecret); fclose($fd); unset($mpdsecret); chmod('/var/etc/l2tp-vpn/mpd.secret', 0600); vpn_netgraph_support(); /* fire up mpd */ mwexec('/usr/local/sbin/mpd4 -b -d /var/etc/l2tp-vpn -p /var/run/l2tp-vpn.pid -s l2tps l2tps'); break; case 'redir' : break; } if (file_exists("/var/run/booting")) echo "done\n"; return 0; } function vpn_ipsec_configure_preferoldsa() { global $config; if (isset($config['ipsec']['preferoldsa'])) { set_single_sysctl("net.key.preferred_oldsa", "-30"); } else { set_single_sysctl("net.key.preferred_oldsa", "0"); } }