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services.inc
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<?php
/*
* Copyright (C) 2014-2018 Franco Fichtner <franco@opnsense.org>
* Copyright (C) 2010 Ermal Luçi
* Copyright (C) 2005-2006 Colin Smith <ethethlay@gmail.com>
* 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.
*/
/*
* Base services are slowly being converted into plugins,
* hooks are created and expanded to accomodate for their
* feature set, which allows us to build a better plugin
* system in general.
*
* Ideally this may allow us to remove all service-relevant
* parts from system.inc and services.inc so that the latter
* will eventually become obsolete.
*
* The goal may not be to remove all of the base system
* as plugins, but the things listed below are viable
* targets in the future:
*/
require_once('plugins.inc.d/dnsmasq.inc');
require_once('plugins.inc.d/ipsec.inc');
require_once('plugins.inc.d/openssh.inc');
require_once('plugins.inc.d/openvpn.inc');
require_once('plugins.inc.d/unbound.inc');
function generate_ipv6_from_mac($mac)
{
$elements = explode(":", $mac);
if (count($elements) != 6) {
return false;
}
$i = 0;
$ipv6 = "fe80::";
foreach ($elements as $byte) {
if ($i == 0) {
$hexadecimal = substr($byte, 1, 2);
$bitmap = base_convert($hexadecimal, 16, 2);
$bitmap = str_pad($bitmap, 4, "0", STR_PAD_LEFT);
$bitmap = substr($bitmap, 0, 2) ."1". substr($bitmap, 3,4);
$byte = substr($byte, 0, 1) . base_convert($bitmap, 2, 16);
}
$ipv6 .= $byte;
if ($i == 1) {
$ipv6 .= ":";
}
if ($i == 3) {
$ipv6 .= ":";
}
if ($i == 2) {
$ipv6 .= "ff:fe";
}
$i++;
}
return $ipv6;
}
function get_pppoes_child_interfaces($ifpattern)
{
$if_arr = array();
if ($ifpattern == "") {
return;
}
exec("ifconfig", $out, $ret);
foreach ($out as $line) {
if (preg_match("/^({$ifpattern}[0-9]+):/i", $line, $match)) {
$if_arr[] = $match[1];
}
}
return $if_arr;
}
function services_radvd_configure($verbose = false, $blacklist = array())
{
global $config;
killbypid('/var/run/radvd.pid', 'TERM', true);
if (!is_radvd_enabled()) {
return;
}
if ($verbose) {
echo 'Starting router advertisement service...';
flush();
}
$radvdconf = "# Automatically generated, do not edit\n";
/* Process all links which need the router advertise daemon */
$radvdifs = array();
/* handle manually configured DHCP6 server settings first */
foreach (config_read_array('dhcpdv6') as $dhcpv6if => $dhcpv6ifconf) {
if (isset($config['interfaces'][$dhcpv6if]['track6-interface']) && !isset($config['interfaces'][$dhcpv6if]['dhcpd6track6allowoverride'])) {
continue;
} elseif (!isset($config['interfaces'][$dhcpv6if]['enable'])) {
continue;
} elseif (isset($blacklist[$dhcpv6if])) {
$radvdconf .= "# Skipping blacklisted interface {$dhcpv6if}\n";
continue;
} elseif (!isset($dhcpv6ifconf['ramode']) || $dhcpv6ifconf['ramode'] == 'disabled') {
continue;
}
/* check if we need to listen on a CARP interface */
$realif = get_real_interface($dhcpv6if, "inet6");
if (!empty($dhcpv6ifconf['rainterface']) && $dhcpv6ifconf['rainterface'] != 'interface') {
$dhcpv6if = $dhcpv6ifconf['rainterface'];
} elseif (!empty($dhcpv6ifconf['rainterface'])) {
// backward compatibilty mode, unset invalid options
unset($dhcpv6ifconf['rainterface']);
}
$ifcfgipv6 = get_interface_ipv6($dhcpv6if);
if (!is_ipaddrv6($ifcfgipv6) && !isset($config['interfaces'][$dhcpv6if]['dhcpd6track6allowoverride'])) {
continue;
}
$radvdifs[$realif] = 1;
$mtu = legacy_interface_stats($realif)['mtu'];
if (isset($config['interfaces'][$dhcpv6if]['track6-interface'])) {
$realtrackif = get_real_interface($config['interfaces'][$dhcpv6if]['track6-interface'], 'inet6');
$trackmtu = legacy_interface_stats($realtrackif)['mtu'];
if (!empty($trackmtu)) {
if ($trackmtu < $mtu) {
$mtu = $trackmtu;
}
}
}
$radvdconf .= "# Generated for DHCPv6 server $dhcpv6if\n";
$radvdconf .= "interface {$realif} {\n";
$radvdconf .= sprintf("\tAdvSendAdvert %s;\n", !empty($dhcpv6ifconf['ranosend']) ? 'off' : 'on');
$radvdconf .= sprintf("\tMinRtrAdvInterval %s;\n", !empty($dhcpv6ifconf['ramininterval']) ? $dhcpv6ifconf['ramininterval'] : '200');
$radvdconf .= sprintf("\tMaxRtrAdvInterval %s;\n", !empty($dhcpv6ifconf['ramaxinterval']) ? $dhcpv6ifconf['ramaxinterval'] : '600');
$radvdconf .= sprintf("\tAdvLinkMTU %s;\n", !empty($mtu) ? $mtu : 1280);
switch($dhcpv6ifconf['rapriority']) {
case "low":
$radvdconf .= "\tAdvDefaultPreference low;\n";
break;
case "high":
$radvdconf .= "\tAdvDefaultPreference high;\n";
break;
default:
$radvdconf .= "\tAdvDefaultPreference medium;\n";
break;
}
switch($dhcpv6ifconf['ramode']) {
case "managed":
case "assist":
$radvdconf .= "\tAdvManagedFlag on;\n";
$radvdconf .= "\tAdvOtherConfigFlag on;\n";
break;
case "stateless":
$radvdconf .= "\tAdvManagedFlag off;\n";
$radvdconf .= "\tAdvOtherConfigFlag on;\n";
break;
default:
break;
}
$stanzas = array();
$networkv6 = find_interface_networkv6($realif);
if (is_subnetv6($networkv6)) {
$stanzas[] = $networkv6;
}
foreach (config_read_array('virtualip', 'vip') as $vip) {
if ($vip['interface'] == $dhcpv6if && is_ipaddrv6($vip['subnet'])) {
$subnetv6 = gen_subnetv6($vip['subnet'], $vip['subnet_bits']);
$stanzas[] = "{$subnetv6}/{$vip['subnet_bits']}";
}
}
/* VIPs may duplicate readings from system */
$stanzas = array_unique($stanzas);
foreach ($stanzas as $stanza) {
$radvdconf .= "\tprefix {$stanza} {\n";
$radvdconf .= "\t\tDeprecatePrefix ". (!empty($dhcpv6ifconf['rainterface']) ? "off" : "on").";\n";
switch($dhcpv6ifconf['ramode']) {
case "managed":
$radvdconf .= "\t\tAdvOnLink on;\n";
$radvdconf .= "\t\tAdvAutonomous off;\n";
$radvdconf .= "\t\tAdvRouterAddr on;\n";
break;
case "router":
$radvdconf .= "\t\tAdvOnLink off;\n";
$radvdconf .= "\t\tAdvAutonomous off;\n";
$radvdconf .= "\t\tAdvRouterAddr on;\n";
break;
case "assist":
case "unmanaged":
case "stateless":
$radvdconf .= "\t\tAdvOnLink on;\n";
$radvdconf .= "\t\tAdvAutonomous on;\n";
$radvdconf .= "\t\tAdvRouterAddr on;\n";
break;
default:
break;
}
$radvdconf .= "\t};\n";
}
if (!empty($dhcpv6ifconf['rainterface'])) {
$radvdconf .= "\troute ::/0 {\n";
$radvdconf .= "\t\tRemoveRoute off;\n";
$radvdconf .= "\t};\n";
} elseif (empty($dhcpv6ifconf['ranodefault'])) {
$radvdconf .= "\troute ::/0 {\n";
$radvdconf .= "\t\tRemoveRoute on;\n";
$radvdconf .= "\t};\n";
}
if (!empty($dhcpv6ifconf['raroutes'])) {
foreach (explode(',', $dhcpv6ifconf['raroutes']) as $raroute) {
$radvdconf .= "\troute {$raroute} {\n";
$radvdconf .= "\t\tRemoveRoute on;\n";
$radvdconf .= "\t};\n";
}
}
/* add DNS servers */
$dnslist_tmp = array();
if (isset($dhcpv6ifconf['rasamednsasdhcp6']) && !empty($dhcpv6ifconf['dnsserver'][0])) {
$dnslist_tmp = $dhcpv6ifconf['dnsserver'];
} elseif (!isset($dhcpv6ifconf['rasamednsasdhcp6']) && !empty($dhcpv6ifconf['radnsserver'][0])) {
$dnslist_tmp = $dhcpv6ifconf['radnsserver'];
} elseif (isset($config['dnsmasq']['enable']) || isset($config['unbound']['enable'])) {
$server = find_interface_ipv6($realif);
if (is_ipaddrv6($server)) {
$dnslist_tmp[] = $server;
} else {
log_error("Warning! services_radvd_configure(manual) found no suitable IPv6 address on {$realif}");
}
} elseif (!empty($config['system']['dnsserver'][0])) {
$dnslist_tmp = $config['system']['dnsserver'];
}
$dnslist = array();
foreach ($dnslist_tmp as $server) {
if (is_ipaddrv6($server)) {
$dnslist[] = $server;
}
}
if (count($dnslist) > 0) {
$radvdconf .= "\tRDNSS ".implode(" ", $dnslist)." { };\n";
}
if (!empty($dhcpv6ifconf['radomainsearchlist'])) {
$dnssl = implode(' ', explode(';', $dhcpv6ifconf['radomainsearchlist']));
$radvdconf .= "\tDNSSL {$dnssl} { };\n";
} elseif (!empty($config['system']['domain'])) {
$radvdconf .= "\tDNSSL {$config['system']['domain']} { };\n";
}
$radvdconf .= "};\n";
}
/* handle DHCP-PD prefixes and 6RD dynamic interfaces */
foreach (get_configured_interface_with_descr() as $if => $unused) {
if (!isset($config['interfaces'][$if]['track6-interface'])) {
continue;
} elseif (empty($config['interfaces'][$config['interfaces'][$if]['track6-interface']])) {
continue;
} elseif (!isset($config['interfaces'][$if]['enable'])) {
continue;
} elseif (isset($blacklist[$if])) {
$radvdconf .= "# Skipping blacklisted interface {$if}\n";
continue;
}
$trackif = $config['interfaces'][$if]['track6-interface'];
$realif = get_real_interface($if, 'inet6');
/* prevent duplicate entries, manual overrides */
if (isset($radvdifs[$realif])) {
continue;
}
$radvdifs[$realif] = 1;
$autotype = 'unknown';
if (isset($config['interfaces'][$trackif]['ipaddrv6'])) {
$autotype = $config['interfaces'][$trackif]['ipaddrv6'];
}
$realtrackif = get_real_interface($trackif, 'inet6');
$mtu = legacy_interface_stats($realif)['mtu'];
$trackmtu = legacy_interface_stats($realtrackif)['mtu'];
if (!empty($trackmtu)) {
if ($trackmtu < $mtu) {
$mtu = $trackmtu;
}
}
$dnslist = array();
$ifcfgipv6 = find_interface_ipv6($realif);
$networkv6 = find_interface_networkv6($realif);
if ($autotype == 'slaac') {
/* XXX this may be incorrect and needs an override or revisit */
$networkv6 = '2000::/64';
} elseif (!is_subnetv6($networkv6)) {
$networkv6 = '::/64';
}
if (isset($config['dnsmasq']['enable']) || isset($config['unbound']['enable'])) {
if (is_ipaddrv6($ifcfgipv6)) {
$dnslist[] = $ifcfgipv6;
} else {
log_error("Warning! services_radvd_configure(auto) found no suitable IPv6 address on {$realif}");
}
} elseif (!empty($config['system']['dnsserver'])) {
foreach ($config['system']['dnsserver'] as $server) {
if (is_ipaddrv6($server)) {
$dnslist[] = $server;
}
}
}
$radvdconf .= "# Generated config for {$autotype} delegation from {$trackif} on {$if}\n";
$radvdconf .= "interface {$realif} {\n";
$radvdconf .= "\tAdvSendAdvert on;\n";
$radvdconf .= "\tMinRtrAdvInterval 3;\n";
$radvdconf .= "\tMaxRtrAdvInterval 10;\n";
$radvdconf .= sprintf("\tAdvLinkMTU %s;\n", !empty($mtu) ? $mtu : 1280);
$radvdconf .= "\tAdvOtherConfigFlag on;\n";
$radvdconf .= "\tprefix {$networkv6} {\n";
if ($autotype == 'slaac') {
/* XXX also of interest in the future, see hardcoded prefix above */
$radvdconf .= "\t\tBase6Interface $realtrackif;\n";
$radvdconf .= "\t\tDeprecatePrefix on;\n";
}
$radvdconf .= "\t\tAdvOnLink on;\n";
$radvdconf .= "\t\tAdvAutonomous on;\n";
$radvdconf .= "\t\tAdvRouterAddr on;\n";
$radvdconf .= "\t};\n";
if (count($dnslist) > 0) {
$radvdconf .= "\tRDNSS ".implode(" ", $dnslist)." { };\n";
}
if (!empty($config['system']['domain'])) {
$radvdconf .= "\tDNSSL {$config['system']['domain']} { };\n";
}
$radvdconf .= "};\n";
}
file_put_contents('/var/etc/radvd.conf', $radvdconf);
if (count($radvdifs)) {
mwexec('/usr/local/sbin/radvd -p /var/run/radvd.pid -C /var/etc/radvd.conf -m syslog');
}
if ($verbose) {
echo "done.\n";
}
}
function services_dhcpd_leasesfile()
{
return '/var/dhcpd/var/db/dhcpd.leases';
}
function services_dhcpdv6_leasesfile()
{
return '/var/dhcpd/var/db/dhcpd6.leases';
}
function services_dhcpd_configure($verbose = false, $family = 'all', $blacklist = array())
{
$dirs = array('/dev', '/etc', '/lib', '/run', '/usr', '/usr/local/sbin', '/var/db', '/var/run');
foreach ($dirs as $dir) {
mwexecf('/bin/mkdir -p %s', "/var/dhcpd{$dir}");
}
if (mwexecf('/sbin/mount -uw %s', '/var/dhcpd/dev', true)) {
mwexecf('/sbin/mount -t devfs devfs %s', '/var/dhcpd/dev');
}
mwexecf('/usr/sbin/chown -R dhcpd:dhcpd %s', '/var/dhcpd');
if ($family == 'all' || $family == 'inet') {
services_dhcpdv4_configure($verbose);
}
if ($family == 'all' || $family == 'inet6') {
services_dhcpdv6_configure($verbose, $blacklist);
services_radvd_configure($verbose, $blacklist);
}
}
function is_dhcpv4_server_enabled()
{
global $config;
foreach (config_read_array('dhcpd') as $dhcpif => $dhcpifconf) {
if (isset($dhcpifconf['enable']) && !empty($config['interfaces'][$dhcpif])) {
return true;
}
}
return false;
}
function services_dhcpdv4_configure($verbose = false)
{
global $config;
$need_ddns_updates = false;
$ddns_zones = array();
killbypid('/var/dhcpd/var/run/dhcpd.pid', 'TERM', true);
if (!is_dhcpv4_server_enabled()) {
return;
}
/* Only consider DNS servers with IPv4 addresses for the IPv4 DHCP server. */
$dns_arrv4 = array();
if (!empty($config['system']['dnsserver'][0])) {
foreach ($config['system']['dnsserver'] as $dnsserver) {
if (is_ipaddrv4($dnsserver)) {
$dns_arrv4[] = $dnsserver;
}
}
}
if ($verbose) {
echo 'Starting DHCPv4 service...';
flush();
}
$custoptions = "";
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) {
if (isset($dhcpifconf['numberoptions']['item'])) {
foreach ($dhcpifconf['numberoptions']['item'] as $itemidx => $item) {
if (!empty($item['type'])) {
$itemtype = $item['type'];
} else {
$itemtype = "text";
}
$custoptions .= "option custom-{$dhcpif}-{$itemidx} code {$item['number']} = {$itemtype};\n";
}
}
}
$dhcpdconf = <<<EOD
option domain-name "{$config['system']['domain']}";
option ldap-server code 95 = text;
option arch code 93 = unsigned integer 16; # RFC4578
option pac-webui code 252 = text;
{$custoptions}
default-lease-time 7200;
max-lease-time 86400;
log-facility local7;
one-lease-per-client true;
deny duplicates;
ping-check true;
update-conflict-detection false;
authoritative;
EOD;
$dhcpdifs = array();
$add_routers = false;
$gateways_arr = return_gateways_array();
/* only add a routers line if the system has any IPv4 gateway at all */
/* a static route has a gateway, manually overriding this field always works */
foreach ($gateways_arr as $gwitem) {
if ($gwitem['ipprotocol'] == "inet") {
$add_routers = true;
break;
}
}
/* loop through and determine if we need to setup
* failover peer "bleh" entries
*/
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) {
interfaces_staticarp_configure($dhcpif);
if (!isset($dhcpifconf['enable'])) {
continue;
}
if (!empty($dhcpifconf['failover_peerip'])) {
$intip = get_interface_ip($dhcpif);
/*
* yep, failover peer is defined.
* does it match up to a defined vip?
*/
$skew = 110;
if (!empty($config['virtualip']['vip'])) {
foreach ($config['virtualip']['vip'] as $vipent) {
if ($vipent['interface'] == $dhcpif) {
$carp_nw = gen_subnet($vipent['subnet'], $vipent['subnet_bits']);
if (ip_in_subnet($dhcpifconf['failover_peerip'], "{$carp_nw}/{$vipent['subnet_bits']}")) {
/* this is the interface! */
if (is_numeric($vipent['advskew']) && (intval($vipent['advskew']) < 20)) {
$skew = 0;
break;
}
}
}
}
} else {
log_error('Warning! DHCP Failover setup and no CARP virtual IPs defined!');
}
$dhcpdconf_pri = "";
if ($skew > 10) {
$type = "secondary";
$my_port = "520";
$peer_port = "519";
} else {
$my_port = "519";
$peer_port = "520";
$type = "primary";
$dhcpdconf_pri = "split 128;\n";
$dhcpdconf_pri .= " mclt 600;\n";
}
if (is_ipaddrv4($intip)) {
$dhcpdconf .= <<<EOPP
failover peer "dhcp_{$dhcpif}" {
{$type};
address {$intip};
port {$my_port};
peer address {$dhcpifconf['failover_peerip']};
peer port {$peer_port};
max-response-delay 10;
max-unacked-updates 10;
{$dhcpdconf_pri}
load balance max seconds 3;
}
\n
EOPP;
}
}
}
$iflist = get_configured_interface_with_descr();
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) {
if (!isset($dhcpifconf['enable']) || !isset($iflist[$dhcpif])) {
continue;
}
list ($ifcfgip, $ifcfgsn) = explode('/', find_interface_network(get_real_interface($dhcpif), false));
$subnet = gen_subnet($ifcfgip, $ifcfgsn);
$subnetmask = gen_subnet_mask($ifcfgsn);
if (!is_ipaddrv4($ifcfgip) || !is_subnetv4("{$subnet}/{$ifcfgsn}")) {
log_error("Warning! services_dhcpdv4_configure() found no suitable IPv4 address on {$dhcpif}");
continue;
}
$all_pools = array();
$all_pools[] = $dhcpifconf;
if (!empty($dhcpifconf['pool'])) {
$all_pools = array_merge($all_pools, $dhcpifconf['pool']);
}
$dnscfg = "";
if (!empty($dhcpifconf['domain'])) {
$dnscfg .= " option domain-name \"{$dhcpifconf['domain']}\";\n";
}
if (!empty($dhcpifconf['domainsearchlist'])) {
$dnscfg .= " option domain-search \"" . join("\",\"", preg_split("/[ ;]+/", $dhcpifconf['domainsearchlist'])) . "\";\n";
}
$newzone = array();
if (isset($dhcpifconf['ddnsupdate'])) {
$need_ddns_updates = true;
if (!empty($dhcpifconf['ddnsdomain'])) {
$newzone['domain-name'] = $dhcpifconf['ddnsdomain'];
$dnscfg .= " ddns-domainname \"{$dhcpifconf['ddnsdomain']}\";\n";
} else {
$newzone['domain-name'] = $config['system']['domain'];
}
$revsubnet = array_reverse(explode(".", $subnet));
$subnetmask_rev = array_reverse(explode('.', $subnetmask));
foreach ($subnetmask_rev as $octet) {
if ($octet == "0") {
array_shift($revsubnet);
}
}
$newzone['ptr-domain'] = implode(".", $revsubnet) . ".in-addr.arpa";
}
if (!empty($dhcpifconf['dnsserver'][0])) {
$dnscfg .= " option domain-name-servers " . join(",", $dhcpifconf['dnsserver']) . ";";
if (!empty($newzone['domain-name'])) {
$newzone['dns-servers'] = $dhcpifconf['dnsserver'];
}
} elseif (isset($config['dnsmasq']['enable']) || isset($config['unbound']['enable'])) {
$dnscfg .= " option domain-name-servers {$ifcfgip};";
if ($newzone['domain-name'] && !empty($config['system']['dnsserver'][0])) {
$newzone['dns-servers'] = $config['system']['dnsserver'];
}
} elseif (!empty($dns_arrv4)) {
$dnscfg .= " option domain-name-servers " . join(",", $dns_arrv4) . ";";
if ($newzone['domain-name']) {
$newzone['dns-servers'] = $dns_arrv4;
}
}
/* Create classes - These all contain comma separated lists. Join them into one
big comma separated string then split them all up. */
$all_mac_strings = array();
foreach ($all_pools as $poolconf) {
if (!empty($poolconf['mac_allow'])) {
$all_mac_strings[] = $poolconf['mac_allow'];
}
if (!empty($poolconf['mac_deny'])) {
$all_mac_strings[] = $poolconf['mac_deny'];
}
}
$all_mac_list = array_unique(explode(',', implode(',', $all_mac_strings)));
foreach ($all_mac_list as $mac) {
if (!empty($mac)) {
$dhcpdconf .= 'class "' . str_replace(':', '', $mac) . '" {' . "\n";
// Skip the first octet of the MAC address - for media type, typically Ethernet ("01") and match the rest.
$dhcpdconf .= ' match if substring (hardware, 1, ' . (substr_count($mac, ':') + 1) . ') = ' . $mac . ';' . "\n";
$dhcpdconf .= '}' . "\n";
}
}
$dhcpdconf .= "\nsubnet {$subnet} netmask {$subnetmask} {\n";
// Setup pool options
foreach ($all_pools as $poolconf) {
$dhcpdconf .= " pool {\n";
/* is failover dns setup? */
if (!empty($poolconf['dnsserver'][0])) {
$dhcpdconf .= " option domain-name-servers {$poolconf['dnsserver'][0]}";
if (!empty($poolconf['dnsserver'][1])) {
$dhcpdconf .= ",{$poolconf['dnsserver'][1]}";
}
$dhcpdconf .= ";\n";
}
/* allow/deny MACs */
if (!empty($poolconf['mac_allow'])) {
$mac_allow_list = array_unique(explode(',', $poolconf['mac_allow']));
foreach ($mac_allow_list as $mac) {
if (!empty($mac)) {
$dhcpdconf .= " allow members of \"" . str_replace(':', '', $mac) . "\";\n";
}
}
}
if (!empty($poolconf['mac_deny'])) {
$mac_deny_list = array_unique(explode(',', $poolconf['mac_deny']));
foreach ($mac_deny_list as $mac) {
if (!empty($mac)) {
$dhcpdconf .= " deny members of \"" . str_replace(':', '', $mac) . "\";\n";
}
}
}
if (!empty($poolconf['failover_peerip'])) {
$dhcpdconf .= " deny dynamic bootp clients;\n";
}
if (isset($poolconf['denyunknown'])) {
$dhcpdconf .= " deny unknown-clients;\n";
}
if (!empty($poolconf['gateway']) && $poolconf['gateway'] != "none"
&& (empty($dhcpifconf['gateway']) || $poolconf['gateway'] != $dhcpifconf['gateway'])
) {
$dhcpdconf .= " option routers {$poolconf['gateway']};\n";
}
if (!empty($dhcpifconf['failover_peerip'])) {
$dhcpdconf .= " failover peer \"dhcp_{$dhcpif}\";\n";
}
$pdnscfg = "";
if (!empty($poolconf['domain'])
&& (empty($dhcpifconf['domain']) || $poolconf['domain'] != $dhcpifconf['domain'])
) {
$pdnscfg .= " option domain-name \"{$poolconf['domain']}\";\n";
}
if (!empty($poolconf['domainsearchlist'])
&& (empty($dhcpifconf['domainsearchlist']) || $poolconf['domainsearchlist'] != $dhcpifconf['domainsearchlist'])) {
$pdnscfg .= " option domain-search \"" . join("\",\"", preg_split("/[ ;]+/", $poolconf['domainsearchlist'])) . "\";\n";
}
if (isset($poolconf['ddnsupdate'])) {
if (!empty($poolconf['ddnsdomain'])
&& (empty($dhcpifconf['ddnsdomain']) || $poolconf['ddnsdomain'] != $dhcpifconf['ddnsdomain'])) {
$pdnscfg .= " ddns-domainname \"{$poolconf['ddnsdomain']}\";\n";
}
$pdnscfg .= " ddns-update-style interim;\n";
}
if (!empty($poolconf['dnsserver'][0])
&& (empty($dhcpifconf['dnsserver'][0]) || $poolconf['dnsserver'][0] != $dhcpifconf['dnsserver'][0])) {
$pdnscfg .= " option domain-name-servers " . join(",", $poolconf['dnsserver']) . ";\n";
}
$dhcpdconf .= "{$pdnscfg}";
// default-lease-time
if (!empty($poolconf['defaultleasetime'])
&& (empty($dhcpifconf['defaultleasetime']) || $poolconf['defaultleasetime'] != $dhcpifconf['defaultleasetime'])) {
$dhcpdconf .= " default-lease-time {$poolconf['defaultleasetime']};\n";
}
// max-lease-time
if (!empty($poolconf['maxleasetime'])
&& (empty($dhcpifconf['maxleasetime']) || $poolconf['maxleasetime'] != $dhcpifconf['maxleasetime'])) {
$dhcpdconf .= " max-lease-time {$poolconf['maxleasetime']};\n";
}
// interface MTU
if (!empty($poolconf['interface_mtu'])
&& (empty($dhcpifconf['interface_mtu']) || $poolconf['interface_mtu'] != $dhcpifconf['interface_mtu'])) {
$dhcpdconf .= " option interface-mtu {$poolconf['interface_mtu']};\n";
}
// netbios-name*
if (!empty($poolconf['winsserver'][0])
&& (empty($dhcpifconf['winsserver'][0]) || $poolconf['winsserver'][0] != $dhcpifconf['winsserver'][0])) {
$dhcpdconf .= " option netbios-name-servers " . join(",", $poolconf['winsserver']) . ";\n";
$dhcpdconf .= " option netbios-node-type 8;\n";
}
// ntp-servers
if (!empty($poolconf['ntpserver'][0])
&& (empty($dhcpifconf['ntpserver'][0]) || $poolconf['ntpserver'][0] != $dhcpifconf['ntpserver'][0])) {
$dhcpdconf .= " option ntp-servers " . join(",", $poolconf['ntpserver']) . ";\n";
}
// tftp-server-name
if (!empty($poolconf['tftp']) && (empty($dhcpifconf['tftp']) || $poolconf['tftp'] != $dhcpifconf['tftp'])) {
$dhcpdconf .= " option tftp-server-name \"{$poolconf['tftp']}\";\n";
}
// ldap-server
if (!empty($poolconf['ldap']) && (empty($dhcpifconf['ldap']) || $poolconf['ldap'] != $dhcpifconf['ldap'])) {
$dhcpdconf .= " option ldap-server \"{$poolconf['ldap']}\";\n";
}
// net boot information
if (isset($poolconf['netboot'])) {
if (!empty($poolconf['nextserver']) && (empty($dhcpifconf['nextserver']) || $poolconf['nextserver'] != $dhcpifconf['nextserver'])) {
$dhcpdconf .= " next-server {$poolconf['nextserver']};\n";
}
if (!empty($poolconf['filename']) && (empty($dhcpifconf['filename']) || $poolconf['filename'] != $dhcpifconf['filename'])) {
$dhcpdconf .= " filename \"{$poolconf['filename']}\";\n";
}
if (!empty($poolconf['rootpath']) && (empty($dhcpifconf['rootpath']) || $poolconf['rootpath'] != $dhcpifconf['rootpath'])) {
$dhcpdconf .= " option root-path \"{$poolconf['rootpath']}\";\n";
}
}
$dhcpdconf .= " range {$poolconf['range']['from']} {$poolconf['range']['to']};\n";
$dhcpdconf .= " }\n\n";
}
// End of settings inside pools
if (!empty($dhcpifconf['gateway']) && $dhcpifconf['gateway'] != "none") {
$routers = $dhcpifconf['gateway'];
$add_routers = true;
} elseif (!empty($dhcpifconf['gateway']) && $dhcpifconf['gateway'] == "none") {
$add_routers = false;
} else {
$routers = $ifcfgip;
}
if ($add_routers) {
$dhcpdconf .= " option routers {$routers};\n";
}
$dhcpdconf .= <<<EOD
$dnscfg
EOD;
// default-lease-time
if (!empty($dhcpifconf['defaultleasetime'])) {
$dhcpdconf .= " default-lease-time {$dhcpifconf['defaultleasetime']};\n";
}
// max-lease-time
if (!empty($dhcpifconf['maxleasetime'])) {
$dhcpdconf .= " max-lease-time {$dhcpifconf['maxleasetime']};\n";
}
// interface MTU
if (!empty($dhcpifconf['interface_mtu'])) {
$dhcpdconf .= " option interface-mtu {$dhcpifconf['interface_mtu']};\n";
}
// netbios-name*
if (!empty($dhcpifconf['winsserver'][0])) {
$dhcpdconf .= " option netbios-name-servers " . join(",", $dhcpifconf['winsserver']) . ";\n";
$dhcpdconf .= " option netbios-node-type 8;\n";
}
// ntp-servers
if (!empty($dhcpifconf['ntpserver'][0])) {
$dhcpdconf .= " option ntp-servers " . join(",", $dhcpifconf['ntpserver']) . ";\n";
}
// tftp-server-name
if (!empty($dhcpifconf['tftp'])) {
$dhcpdconf .= " option tftp-server-name \"{$dhcpifconf['tftp']}\";\n";
}
// add pac url if it applies
if (isset($dhcpifconf['wpad']) && !empty($config['system']['hostname']) && !empty($config['system']['domain'])) {
$protocol = !empty($config['system']['webgui']['protocol']) ? $config['system']['webgui']['protocol'] : 'https';
// take hostname from system settings - it can be used to be resolved to anything based on client IP
$host = implode('.', array('wpad', $config['system']['domain']));
$default_port = (isset($config['system']['webgui']['protocol']) && $config['system']['webgui']['protocol'] == 'https') ? 443 : 80;
$port = !empty($config['system']['webgui']['port']) ? $config['system']['webgui']['port'] : $default_port;
$webui_url = "$protocol://$host:$port/wpad.dat";
$dhcpdconf .= " option pac-webui \"$webui_url\";\n";
}
// Handle option, number rowhelper values
if (isset($dhcpifconf['numberoptions']['item'])) {
$dhcpdconf .= "\n";
foreach ($dhcpifconf['numberoptions']['item'] as $itemidx => $item) {
if (empty($item['type']) || $item['type'] == "text") {
$dhcpdconf .= " option custom-{$dhcpif}-{$itemidx} \"{$item['value']}\";\n";
} else {
$dhcpdconf .= " option custom-{$dhcpif}-{$itemidx} {$item['value']};\n";
}
}
}
// ldap-server
if (!empty($dhcpifconf['ldap'])) {
$dhcpdconf .= " option ldap-server \"{$dhcpifconf['ldap']}\";\n";
}
// net boot information
if (isset($dhcpifconf['netboot'])) {
if (!empty($dhcpifconf['nextserver'])) {
$dhcpdconf .= " next-server {$dhcpifconf['nextserver']};\n";
}
if (!empty($dhcpifconf['filename']) && !empty($dhcpifconf['filename32']) && !empty($dhcpifconf['filename64'])) {
$dhcpdconf .= " if option arch = 00:06 {\n";
$dhcpdconf .= " filename \"{$dhcpifconf['filename32']}\";\n";
$dhcpdconf .= " } else if option arch = 00:07 {\n";
$dhcpdconf .= " filename \"{$dhcpifconf['filename64']}\";\n";
$dhcpdconf .= " } else if option arch = 00:09 {\n";
$dhcpdconf .= " filename \"{$dhcpifconf['filename64']}\";\n";
$dhcpdconf .= " } else {\n";
$dhcpdconf .= " filename \"{$dhcpifconf['filename']}\";\n";
$dhcpdconf .= " }\n\n";
} elseif (!empty($dhcpifconf['filename'])) {
$dhcpdconf .= " filename \"{$dhcpifconf['filename']}\";\n";
}
if (!empty($dhcpifconf['rootpath'])) {
$dhcpdconf .= " option root-path \"{$dhcpifconf['rootpath']}\";\n";
}
}
$dhcpdconf .= <<<EOD
}
EOD;
/* add static mappings */
if (!empty($dhcpifconf['staticmap'])) {
foreach ($dhcpifconf['staticmap'] as $i => $sm) {
$dhcpdconf .= "\nhost s_{$dhcpif}_{$i} {\n";
if (!empty($sm['mac'])) {
$dhcpdconf .= " hardware ethernet {$sm['mac']};\n";
}
if (!empty($sm['cid'])) {
$dhcpdconf .= " option dhcp-client-identifier \"{$sm['cid']}\";\n";
}
if (!empty($sm['ipaddr'])) {
$dhcpdconf .= " fixed-address {$sm['ipaddr']};\n";
}
if (!empty($sm['hostname'])) {
$dhhostname = str_replace(" ", "_", $sm['hostname']);
$dhhostname = str_replace(".", "_", $dhhostname);
$dhcpdconf .= " option host-name \"{$dhhostname}\";\n";
}
if (!empty($sm['filename'])) {
$dhcpdconf .= " filename \"{$sm['filename']}\";\n";
}
if (!empty($sm['rootpath'])) {
$dhcpdconf .= " option root-path \"{$sm['rootpath']}\";\n";
}
if (!empty($sm['gateway']) && ($sm['gateway'] != $dhcpifconf['gateway'])) {
$dhcpdconf .= " option routers {$sm['gateway']};\n";
}
$smdnscfg = "";
if (!empty($sm['domain']) && ($sm['domain'] != $dhcpifconf['domain'])) {
$smdnscfg .= " option domain-name \"{$sm['domain']}\";\n";
}
if (!empty($sm['domainsearchlist']) && ($sm['domainsearchlist'] != $dhcpifconf['domainsearchlist'])) {
$smdnscfg .= " option domain-search \"" . join("\",\"", preg_split("/[ ;]+/", $sm['domainsearchlist'])) . "\";\n";
}
if (isset($sm['ddnsupdate'])) {
if (($sm['ddnsdomain'] != '') && ($sm['ddnsdomain'] != $dhcpifconf['ddnsdomain'])) {
$smdnscfg .= " ddns-domainname \"{$sm['ddnsdomain']}\";\n";
}
$smdnscfg .= " ddns-update-style interim;\n";
}
if (!empty($sm['dnsserver']) && ($sm['dnsserver'][0]) && ($sm['dnsserver'][0] != $dhcpifconf['dnsserver'][0])) {
$smdnscfg .= " option domain-name-servers " . join(",", $sm['dnsserver']) . ";\n";
}
$dhcpdconf .= "{$smdnscfg}";
// default-lease-time
if (!empty($sm['defaultleasetime']) && ($sm['defaultleasetime'] != $dhcpifconf['defaultleasetime'])) {
$dhcpdconf .= " default-lease-time {$sm['defaultleasetime']};\n";
}
// max-lease-time
if (!empty($sm['maxleasetime']) && ($sm['maxleasetime'] != $dhcpifconf['maxleasetime'])) {
$dhcpdconf .= " max-lease-time {$sm['maxleasetime']};\n";
}
// netbios-name*
if (!empty($sm['winsserver']) && $sm['winsserver'][0] && ($sm['winsserver'][0] != $dhcpifconf['winsserver'][0])) {
$dhcpdconf .= " option netbios-name-servers " . join(",", $sm['winsserver']) . ";\n";
$dhcpdconf .= " option netbios-node-type 8;\n";
}
// ntp-servers
if (!empty($sm['ntpserver']) && $sm['ntpserver'][0] && ($sm['ntpserver'][0] != $dhcpifconf['ntpserver'][0])) {
$dhcpdconf .= " option ntp-servers " . join(",", $sm['ntpserver']) . ";\n";
}
// tftp-server-name
if (!empty($sm['tftp']) && ($sm['tftp'] != $dhcpifconf['tftp'])) {
$dhcpdconf .= " option tftp-server-name \"{$sm['tftp']}\";\n";
}
$dhcpdconf .= "}\n";
}
}
$dhcpdifs[] = get_real_interface($dhcpif);
if (!empty($newzone['domain-name'])) {
if (isset($dhcpifconf['ddnsupdate'])) {
$newzone['dns-servers'] = array($dhcpifconf['ddnsdomainprimary']);
$newzone['ddnsdomainkeyname'] = $dhcpifconf['ddnsdomainkeyname'];
$newzone['ddnsdomainkey'] = $dhcpifconf['ddnsdomainkey'];
$newzone['ddnsdomainalgorithm'] = !empty($dhcpifconf['ddnsdomainalgorithm']) ? $dhcpifconf['ddnsdomainalgorithm'] : "hmac-md5";
$ddns_zones[] = $newzone;
}
}
}
if ($need_ddns_updates) {
$dhcpdconf .= "ddns-update-style interim;\n";