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system.inc
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<?php
/*
* Copyright (C) 2016-2024 Franco Fichtner <franco@opnsense.org>
* Copyright (C) 2004-2007 Scott Ullrich <sullrich@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.
*/
function system_powerd_configure($verbose = false)
{
global $config;
if (is_process_running('powerd')) {
exec('/usr/bin/killall powerd');
}
if (!isset($config['system']['powerd_enable'])) {
return;
}
service_log('Starting power daemon...', $verbose);
$ac_mode = 'hadp';
if (!empty($config['system']['powerd_ac_mode'])) {
$ac_mode = $config['system']['powerd_ac_mode'];
}
$battery_mode = 'hadp';
if (!empty($config['system']['powerd_battery_mode'])) {
$battery_mode = $config['system']['powerd_battery_mode'];
}
$normal_mode = 'hadp';
if (!empty($config['system']['powerd_normal_mode'])) {
$normal_mode = $config['system']['powerd_normal_mode'];
}
mwexecf(
'/usr/sbin/powerd -b %s -a %s -n %s',
array($battery_mode, $ac_mode, $normal_mode)
);
service_log("done.\n", $verbose);
}
function system_sysctl_defaults()
{
global $config;
return [
'debug.kassert.warn_only' => [ 'default' => '1', 'required' => true, 'description' => 'KASSERT triggers a panic (0) or just a warning (1)', 'type' => 'w' ],
'hw.ibrs_disable' => [ 'default' => '0' ],
'hw.ixl.enable_head_writeback' => [ 'default' => '0', 'required' => true ],
'hw.syscons.kbd_reboot' => [ 'default' => '0' ],
'hw.uart.console' => [ 'default' => 'io:0x3f8,br:' . system_console_speed(), 'type' => 't' ], /* XXX support comconsole_port if needed */
'hw.vtnet.csum_disable' => [ 'default' => '1', 'required' => true ],
'kern.coredump' => [ 'default' => '0', 'required' => true ],
'kern.ipc.maxsockbuf' => [ 'default' => '4262144' ],
'kern.randompid' => [ 'default' => '1' ],
'net.enc.in.ipsec_bpf_mask' => [ 'default' => '2', 'required' => true ], /* after processing */
'net.enc.in.ipsec_filter_mask' => [ 'default' => '2', 'required' => true ], /* after processing */
'net.enc.out.ipsec_bpf_mask' => [ 'default' => '1', 'required' => true ], /* before processing */
'net.enc.out.ipsec_filter_mask' => [ 'default' => '1', 'required' => true ], /* before processing */
'net.inet.icmp.drop_redirect' => [ 'default' => '1', 'required' => true ],
'net.inet.icmp.icmplim' => [ 'default' => '0' ],
'net.inet.icmp.log_redirect' => [ 'default' => '0' ],
'net.inet.icmp.reply_from_interface' => [ 'default' => '1', 'required' => true ],
'net.inet.ip.accept_sourceroute' => [ 'default' => '0' ],
'net.inet.ip.forwarding' => [ 'default' => '1', 'required' => true ],
'net.inet.ip.intr_queue_maxlen' => [ 'default' => '1000', 'required' => true ],
'net.inet.ip.portrange.first' => [ 'default' => '1024' ],
'net.inet.ip.random_id' => [ 'default' => '1' ],
'net.inet.ip.redirect' => [ 'default' => '0' ],
'net.inet.ip.sourceroute' => [ 'default' => '0' ],
'net.inet.tcp.blackhole' => [ 'default' => '2' ],
'net.inet.tcp.delayed_ack' => [ 'default' => '0' ],
'net.inet.tcp.drop_synfin' => [ 'default' => '1' ],
'net.inet.tcp.log_debug' => [ 'default' => '0' ],
'net.inet.tcp.recvspace' => [ 'default' => '65228' ],
'net.inet.tcp.sendspace' => [ 'default' => '65228' ],
'net.inet.tcp.syncookies' => [ 'default' => '1' ],
'net.inet.tcp.tso' => [ 'default' => '1' ],
'net.inet.udp.blackhole' => [ 'default' => '1' ],
'net.inet.udp.checksum' => [ 'default' => 1 ],
'net.inet.udp.maxdgram' => [ 'default' => '57344' ],
'net.inet6.ip6.accept_rtadv' => [ 'default' => isset($config['system']['ipv6allow']) ? '1' : '0', 'required' => true ],
'net.inet6.ip6.forwarding' => [ 'default' => '1', 'required' => true ],
'net.inet6.ip6.intr_queue_maxlen' => [ 'default' => '1000', 'required' => true ],
'net.inet6.ip6.prefer_tempaddr' => [ 'default' => '0' ],
'net.inet6.ip6.redirect' => [ 'default' => '0' ],
'net.inet6.ip6.rfc6204w3' => [ 'default' => isset($config['system']['ipv6allow']) ? '1' : '0', 'required' => true ],
'net.inet6.ip6.use_tempaddr' => [ 'default' => '0' ],
'net.link.bridge.pfil_bridge' => [ 'default' => '0' ],
'net.link.bridge.pfil_local_phys' => [ 'default' => '0' ],
'net.link.bridge.pfil_member' => [ 'default' => '1' ],
'net.link.bridge.pfil_onlyip' => [ 'default' => '0' ],
'net.link.ether.inet.log_arp_movements' => [ 'default' => isset($config['system']['sharednet']) ? '0' : '1', 'required' => true ],
'net.link.ether.inet.log_arp_wrong_iface' => [ 'default' => isset($config['system']['sharednet']) ? '0' : '1', 'required' => true ],
'net.link.tap.user_open' => [ 'default' => '1' ],
'net.link.vlan.mtag_pcp' => [ 'default' => '1', 'required' => true ],
'net.local.dgram.maxdgram' => [ 'default' => '8192', 'required' => true ],
'net.pf.share_forward' => [ 'default' => !empty($config['system']['pf_share_forward']) ? '1' : '0', 'required' => true ],
'net.pf.share_forward6' => [ 'default' => !empty($config['system']['pf_share_forward']) ? '1' : '0', 'required' => true ],
'net.route.multipath' => [ 'default' => '0', 'required' => true ],
'security.bsd.see_other_gids' => [ 'default' => '0' ],
'security.bsd.see_other_uids' => [ 'default' => '0' ],
'vfs.read_max' => [ 'default' => '32' ],
'vfs.zfs.dirty_data_sync_percent' => [ 'default' => '5', 'required' => true ],
'vfs.zfs.txg.timeout' => [ 'default' => '90', 'required' => true ],
'vm.numa.disabled' => [ 'default' => '1', 'required' => true ],
'vm.pmap.pti' => [ 'default' => '1' ],
];
}
function system_sysctl_get()
{
$defaults = system_sysctl_defaults();
$sysctls = [];
foreach ($defaults as $name => $info) {
/* compile list of required sysctls not necessarily present in config */
if (!empty($info['required'])) {
$sysctls[$name] = 'default';
}
}
foreach (config_read_array('sysctl', 'item') as $tunable) {
$sysctls[$tunable['tunable']] = $tunable['value'];
}
foreach ($sysctls as $key => &$value) {
if ($value != 'default') {
continue;
}
if (!empty($defaults[$key])) {
$value = $defaults[$key]['default'];
} else {
log_msg('warning: ignoring missing default tunable request: ' . $key, LOG_WARNING);
unset($sysctls[$key]);
}
}
ksort($sysctls);
return $sysctls;
}
function system_resolvconf_host_routes()
{
$routes = [];
foreach (get_nameservers(null, true) as $dnsserver) {
if (isset($routes[$dnsserver['host']])) {
log_msg("Duplicated DNS route ignored for {$dnsserver['host']} on {$dnsserver['interface']}", LOG_WARNING);
continue;
}
$routes[$dnsserver['host']] = $dnsserver['gateway'];
}
return $routes;
}
function system_resolvconf_generate($verbose = false)
{
service_log('Generating /etc/resolv.conf...', $verbose);
$syscfg = config_read_array('system');
$resolvconf = '';
$routes = [];
$search = [];
mwexecf(
'/etc/rc.d/ip6addrctl %s',
isset($syscfg['prefer_ipv4']) ? 'prefer_ipv4' : 'prefer_ipv6'
);
if (!empty($syscfg['domain'])) {
$resolvconf = "domain {$syscfg['domain']}\n";
}
if (!isset($syscfg['dnslocalhost']) && !empty(service_by_filter(['dns_ports' => '53']))) {
$resolvconf .= "nameserver 127.0.0.1\n";
}
$routes = system_resolvconf_host_routes();
foreach (array_keys($routes) as $host) {
$resolvconf .= "nameserver {$host}\n";
}
$search = get_searchdomains();
if (count($search)) {
$result = $search[0];
/* resolv.conf search keyword limit is 6 domains, 256 characters */
foreach (range(2, 6) as $len) {
if (count($search) < $len) {
break;
}
$temp = implode(' ', array_slice($search, 0, $len));
if (strlen($temp) >= 256) {
break;
}
$result = $temp;
}
$resolvconf .= "search {$result}\n";
}
$tempfile = tempnam('/tmp', 'resolv.conf');
file_put_contents($tempfile, $resolvconf);
chmod($tempfile, 0644);
rename($tempfile, '/etc/resolv.conf');
/* setup static routes for DNS servers as configured */
foreach ($routes as $host => $gateway) {
if (!empty($gateway)) {
system_host_route($host, $gateway);
}
}
service_log("done.\n", $verbose);
}
function get_locale_list()
{
$locales = [];
/* first one is the default */
$locales['en_US'] = gettext('English');
$locales['zh_CN'] = gettext('Chinese (Simplified)');
$locales['zh_TW'] = gettext('Chinese (Traditional)');
$locales['cs_CZ'] = gettext('Czech');
$locales['fr_FR'] = gettext('French');
$locales['de_DE'] = gettext('German');
$locales['it_IT'] = gettext('Italian');
$locales['ja_JP'] = gettext('Japanese');
$locales['ko_KR'] = gettext('Korean');
$locales['no_NO'] = gettext('Norwegian');
$locales['pl_PL'] = gettext('Polish');
$locales['pt_BR'] = gettext('Portuguese (Brazil)');
$locales['pt_PT'] = gettext('Portuguese (Portugal)');
$locales['ru_RU'] = gettext('Russian');
$locales['es_ES'] = gettext('Spanish');
$locales['tr_TR'] = gettext('Turkish');
$locales['vi_VN'] = gettext('Vietnamese');
if (!product::getInstance()->development()) {
/* below 30% progress or currently unvetted */
unset($locales['vi_VN']);
}
return $locales;
}
function get_country_codes()
{
$dn_cc = array();
$iso3166_tab = '/usr/local/opnsense/contrib/tzdata/iso3166.tab';
if (file_exists($iso3166_tab)) {
$dn_cc_file = file($iso3166_tab);
foreach ($dn_cc_file as $line) {
if (preg_match('/^([A-Z][A-Z])\t(.*)$/', $line, $matches)) {
$dn_cc[$matches[1]] = trim($matches[2]);
}
}
}
return $dn_cc;
}
function get_zoneinfo()
{
$zones = timezone_identifiers_list(DateTimeZone::ALL ^ DateTimeZone::UTC);
$etcs = glob('/usr/share/zoneinfo/Etc/*');
foreach ($etcs as $etc) {
$zones[] = ltrim($etc, '/usr/share/zoneinfo/');
}
natsort($zones);
return $zones;
}
function get_searchdomains()
{
$syscfg = config_read_array('system');
$master_list = [];
$search_list = [];
if (!empty($syscfg['domain'])) {
$master_list[] = $syscfg['domain'];
}
if (!empty($syscfg['dnssearchdomain'])) {
if ($syscfg['dnssearchdomain'] == '.') {
/* pass root only */
return [$syscfg['dnssearchdomain']];
}
/* add custom search entries after default domain before potential provider entries */
$master_list[] = $syscfg['dnssearchdomain'];
}
if (isset($syscfg['dnsallowoverride'])) {
/* return domains as required by configuration */
$list = shell_safe('/usr/local/sbin/ifctl -sl');
if (!empty($list)) {
$search_list = explode("\n", $list);
}
}
foreach ($search_list as $fdns) {
$contents = file($fdns, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (is_array($contents)) {
foreach ($contents as $dns) {
if (is_fqdn($dns)) {
$master_list[] = $dns;
}
}
}
}
return array_unique($master_list);
}
function get_nameservers($interface = null, $with_gateway = false)
{
global $config;
$gateways = new \OPNsense\Routing\Gateways();
$syscfg = config_read_array('system');
$exclude_interfaces = [];
$master_list = [];
$dns_lists = [];
if (!empty($interface)) {
/* only acquire servers provided for this interface */
$realif = get_real_interface($interface);
$realifv6 = get_real_interface($interface, 'inet6');
$list = shell_safe('/usr/local/sbin/ifctl -4nli %s', $realif);
if (!empty($list)) {
$dns_lists[] = $list;
}
$list = shell_safe('/usr/local/sbin/ifctl -6nli %s', $realifv6);
if (!empty($list)) {
$dns_lists[] = $list;
}
} elseif (isset($syscfg['dnsallowoverride'])) {
/* return dynamic servers as required by configuration */
$list = shell_safe('/usr/local/sbin/ifctl -nl');
if (!empty($list)) {
$dns_lists = explode("\n", $list);
}
}
if (isset($syscfg['dnsallowoverride_exclude'])) {
/* by design this only works on dynamic servers, not static ones */
foreach (explode(',', $syscfg['dnsallowoverride_exclude']) as $intf) {
if (isset($config['interfaces'][$intf])) {
$exclude_interfaces[] = get_real_interface($intf);
$exclude_interfaces[] = get_real_interface($intf, 'inet6');
}
}
}
foreach ($dns_lists as $fdns) {
/* inspect dynamic servers registered in the system files */
$intf = [];
/* XXX this is ifctl logic we eventually need to pass down */
$intf[0] = preg_replace('/(_[^_]+|:.+)$/', '', basename($fdns));
$intf[1] = preg_replace('/^.+_/', '', basename($fdns));
$intf[1] = strpos($intf[1], 'v6') === false ? '4' : '6';
if (in_array($intf[0], $exclude_interfaces)) {
continue;
}
$contents = @file($fdns, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (!is_array($contents)) {
continue;
}
if ($with_gateway) {
/* router file is available for connectivity creating nameserver files */
$gw = shell_safe('/usr/local/sbin/ifctl -%s -ri %s', [$intf[1], $intf[0]]);
if (is_linklocal($gw) && strpos($gw, '%') === false) {
$gw .= "%{$intf[0]}";
}
}
foreach ($contents as $dns) {
if (empty($dns) || !is_ipaddr($dns)) {
continue;
}
if ($with_gateway) {
$master_list[] = [
'host' => $dns,
'gateway' => $gw,
'interface' => convert_real_interface_to_friendly_interface_name($intf[0]),
'source' => 'interface',
];
} else {
$master_list[] = $dns;
}
}
}
for ($dnscounter = 1; $dnscounter < 9; $dnscounter++) {
/* inspect static servers and optional gateway assignment */
$dns = $syscfg['dnsserver'][$dnscounter - 1] ?? null;
if (empty($dns) || !is_ipaddr($dns)) {
continue;
}
$gwkey = "dns{$dnscounter}gw";
$gateway = null;
$dnsif = null;
if (!empty($syscfg[$gwkey]) && $syscfg[$gwkey] != 'none') {
/* if a gateway is attached figure out the interface and address */
$dnsif = $gateways->getInterfaceName($syscfg[$gwkey]);
$dnsgw = $gateways->getAddress($syscfg[$gwkey]);
if (empty($dnsif) || empty($dnsgw)) {
/* do not present servers for defunct gateways */
continue;
}
if (!empty($interface) && $interface != $dnsif) {
/* not looking for this one */
continue;
}
$gateway = $dnsgw;
} elseif (!empty($interface)) {
/* discard because not attached to any interface */
continue;
}
if ($with_gateway) {
$master_list[] = [
'host' => $dns,
'gateway' => $gateway,
'interface' => $dnsif,
'source' => 'config',
];
} else {
$master_list[] = $dns;
}
}
if (!$with_gateway) {
$master_list = array_unique($master_list);
}
return $master_list;
}
function system_hosts_generate($verbose = false)
{
service_log('Generating /etc/hosts...', $verbose);
$syscfg = config_read_array('system');
$hosts = "127.0.0.1\tlocalhost\tlocalhost.{$syscfg['domain']}\n";
$hosts .= "::1\t\tlocalhost\tlocalhost.{$syscfg['domain']}\n";
$if = get_primary_interface_from_list();
if (!empty($if)) {
$cfgip = get_interface_ip($if);
if (!empty($cfgip)) {
$hosts .= "{$cfgip}\t{$syscfg['hostname']}\t{$syscfg['hostname']}.{$syscfg['domain']}\n";
}
$cfgip = get_interface_ipv6($if);
if (!empty($cfgip)) {
$hosts .= "{$cfgip}\t{$syscfg['hostname']}\t{$syscfg['hostname']}.{$syscfg['domain']}\n";
}
}
file_put_contents('/etc/hosts', $hosts);
service_log("done.\n", $verbose);
}
function system_resolver_configure($verbose = false)
{
system_resolvconf_generate($verbose);
system_hosts_generate($verbose);
}
function system_hostname_configure($verbose = false)
{
service_log('Setting hostname: ', $verbose);
$syscfg = config_read_array('system');
$hostname = "{$syscfg['hostname']}.{$syscfg['domain']}";
mwexecf('/bin/hostname %s', $hostname);
service_log("{$hostname}\n", $verbose);
}
function system_host_route($host, $gateway)
{
if (is_ipaddrv4($gateway)) {
$family = 'inet';
} elseif (is_ipaddrv6($gateway)) {
$family = 'inet6';
} else {
log_msg("ROUTING: not a valid host gateway address: '{$gateway}'", LOG_ERR);
return;
}
/*
* If the gateway is the same as the host we do not touch the route
* as this is not needed and it may also break the routing table.
*/
if ($host == $gateway) {
return;
}
mwexecf('/sbin/route delete -host -%s %s', [$family, $host], true);
mwexecf('/sbin/route add -host -%s %s %s', [$family, $host, $gateway]);
}
function system_interface_route($gw, $routes)
{
$interface = $gw['interface'];
$gateway = $gw['gateway'] ?? 'missing';
$far = !empty($gw['fargw']);
$device = $gw['if'];
$family = 'inet';
if (!is_ipaddrv4($gateway)) {
log_msg("ROUTING: not a valid {$interface} interface gateway address: '{$gateway}'", LOG_ERR);
return;
}
if (!$far) {
/* special case tries to turn on far gateway when required for dynamic gateway */
$dynamicgw = OPNsense\Interface\Autoconf::getRouter($device, 'inet');
if (!empty($dynamicgw) && $gateway === $dynamicgw) {
list (, $network) = interfaces_primary_address($interface);
if (!empty($network) && !ip_in_subnet($gateway, $network)) {
/*
* If we do not fail primary network detection and the local address
* is in not the same network as the gateway address set far flag.
*/
$far = 1;
log_msg("ROUTING: treating '{$gateway}' as far gateway for '{$network}'");
}
}
}
if (!$far) {
/* nothing to do */
return;
}
foreach ($routes as $route) {
/* find host routes on the link for the underlying device */
if ($route['netif'] != $device) {
continue;
} elseif ($route['proto'] != 'ipv4') {
continue;
} elseif (strpos($route['gateway'], 'link#') !== 0) {
continue;
/* XXX may consider "S" as well for manually assigned */
} elseif (strpos($route['flags'], 'H') === false) {
continue;
}
/* keeping previous, but do not log this noisy operation */
return;
}
log_msg("ROUTING: setting {$family} interface route to {$gateway} via {$device}");
/* never remove interface routes -- we only try to add if missing */
mwexecf('/sbin/route add -%s %s -interface %s', [$family, $gateway, $device]);
}
function system_default_route($gw, $routes)
{
$interface = $gw['interface'];
$gateway = $gw['gateway'];
$device = $gw['if'];
if (is_ipaddrv4($gateway)) {
$family = 'inet';
} elseif (is_ipaddrv6($gateway)) {
$family = 'inet6';
} else {
log_msg("ROUTING: not a valid default gateway address: '{$gateway}'", LOG_ERR);
return;
}
if (is_linklocal($gateway)) {
/* XXX always inet6 but why not do this elsewhere */
$gateway .= "%{$device}";
}
foreach ($routes as $route) {
/* find out if the default route matches what we want to set */
if ($route['proto'] != ($family == 'inet6' ? 'ipv6' : 'ipv4')) {
continue;
} elseif ($route['destination'] != 'default') {
continue;
} elseif ($route['gateway'] != $gateway) {
continue;
}
log_msg("ROUTING: keeping {$family} default route to {$gateway}");
return;
}
log_msg("ROUTING: setting {$family} default route to {$gateway}");
mwexecf('/sbin/route delete -%s default', [$family], true);
mwexecf('/sbin/route add -%s default %s', [$family, $gateway]);
}
function system_routing_configure($verbose = false, $interface_map = null, $monitor = true, $family = null)
{
global $config;
if (!plugins_argument_map($interface_map)) {
return;
}
log_msg(sprintf('ROUTING: entering configure using %s', empty($interface_map) ? 'defaults' : join(', ', $interface_map)), LOG_DEBUG);
service_log(sprintf('Setting up routes%s...', empty($interface_map) ? '' : ' for ' . join(', ', $interface_map)), $verbose);
$ifdetails = legacy_interfaces_details();
$gateways = new \OPNsense\Routing\Gateways();
$down_gateways = isset($config['system']['gw_switch_default']) && $monitor !== 'ignore' ? return_down_gateways() : [];
$routes = json_decode(configd_run('interface routes list -n json'), true) ?? [];
foreach ($gateways->gatewaysIndexedByName() as $gateway) {
/* check if we need to add a required interface route to the gateway (IPv4 only) */
if ($gateway['ipprotocol'] !== 'inet' || ($family !== null && $family !== 'inet')) {
continue;
} elseif (!empty($interface_map) && !in_array($gateway['interface'], $interface_map)) {
continue;
}
if (empty($ifdetails[$gateway['if']]['ipv4'][0])) {
log_msg("ROUTING: refusing to set interface route on addressless {$gateway['interface']}({$gateway['if']})", LOG_WARNING);
continue;
}
system_interface_route($gateway, $routes);
}
if (!empty($down_gateways)) {
log_msg(sprintf('ROUTING: ignoring down gateways: %s', implode(', ', $down_gateways)), LOG_DEBUG);
}
foreach (['inet' => 'ipv4', 'inet6' => 'ipv6'] as $ipproto => $type) {
if ($family !== null && $family !== $ipproto) {
continue;
}
$gateway = $gateways->getDefaultGW($down_gateways, $ipproto);
if (empty($gateway['gateway'])) {
continue;
}
if (isset($config['system']['gw_switch_default']) || empty($interface_map) || in_array($gateway['interface'], $interface_map)) {
if (empty($ifdetails[$gateway['if']][$type][0])) {
log_msg("ROUTING: refusing to set {$ipproto} gateway on addressless {$gateway['interface']}({$gateway['if']})", LOG_ERR);
continue;
}
log_msg("ROUTING: configuring {$ipproto} default gateway on {$gateway['interface']}", LOG_INFO);
system_default_route($gateway, $routes);
}
}
$static_routes = get_staticroutes(false);
if (count($static_routes)) {
$gateways_arr = $gateways->gatewaysIndexedByName(false, true);
foreach ($static_routes as $rtent) {
if (empty($gateways_arr[$rtent['gateway']])) {
log_msg(sprintf('ROUTING: gateway IP could not be found for %s', $rtent['network']), LOG_WARNING);
continue;
}
$gateway = $gateways_arr[$rtent['gateway']];
if (!empty($interface_map) && !in_array($gateway['interface'], $interface_map)) {
continue;
}
if (is_subnetv4($rtent['network'])) {
$ipproto = 'inet';
} elseif (is_subnetv6($rtent['network'])) {
$ipproto = 'inet6';
} else {
log_msg(sprintf('ROUTING: cannot add static route to "%s"', $rtent['network']), LOG_ERR);
continue;
}
if ($family !== null && $family !== $ipproto) {
continue;
}
$interfacegw = $gateway['if'];
$gatewayip = $gateway['gateway'] ?? '';
$fargw = !empty($gateway['fargw']) && $gateway['ipprotocol'] != 'inet6';
$blackhole = '';
switch ($rtent['gateway']) {
case 'Null4':
case 'Null6':
$blackhole = '-blackhole';
break;
default:
break;
}
/* XXX some day we might want to convert to safer mwexecf() */
$cmd = " -{$ipproto} {$blackhole} " . escapeshellarg($rtent['network']) . " ";
if (!empty($rtent['disabled'])) {
mwexec("/sbin/route delete {$cmd}", true);
} else {
if (is_ipaddr($gatewayip)) {
mwexec("/sbin/route delete {$cmd}", true);
if ($fargw) {
mwexecf('/sbin/route delete -%s %s -interface %s ', [$ipproto, $gatewayip, $interfacegw], true);
mwexecf('/sbin/route add -%s %s -interface %s', [$ipproto, $gatewayip, $interfacegw]);
} elseif (is_linklocal($gatewayip) && strpos($gatewayip, '%') === false) {
$gatewayip .= "%{$interfacegw}";
}
mwexec("/sbin/route add" . $cmd . escapeshellarg($gatewayip));
} elseif (!empty($interfacegw)) {
mwexec("/sbin/route delete" . $cmd . "-interface " . escapeshellarg($interfacegw), true);
mwexec("/sbin/route add" . $cmd . "-interface " . escapeshellarg($interfacegw));
}
}
}
}
service_log("done.\n", $verbose);
if ($monitor === true) {
/* reload requested monitors only or reload in full */
$gwnames = !empty($interface_map) ? [] : null;
if (!empty($interface_map)) {
foreach ($gateways->gatewaysIndexedByName() as $name => $gateway) {
if ($family !== null && $family !== $gateway['ipprotocol']) {
continue;
}
if (in_array($gateway['interface'], $interface_map)) {
$gwnames[] = $name;
}
}
}
plugins_configure('monitor', $verbose, [$gwnames]);
}
}
function system_syslog_start($verbose = false)
{
service_log('Configuring system logging...', $verbose);
configd_run('template reload OPNsense/Syslog');
mwexecf('/usr/local/opnsense/scripts/syslog/generate_certs');
$last_version = @file_get_contents('/var/run/syslog-ng.version');
$this_version = shell_safe('syslog-ng -V | sha256');
if (isvalidpid('/var/run/syslog-ng.pid') && $last_version == $this_version) {
mwexecf('/usr/local/sbin/syslog-ng-ctl reload');
} else {
mwexecf('/usr/sbin/service syslog-ng restart');
}
file_put_contents('/var/run/syslog-ng.version', $this_version);
service_log("done.\n", $verbose);
}
function system_syslog_stop()
{
mwexecf('/usr/sbin/service syslog-ng stop');
}
function system_syslog_reset($verbose = false)
{
$it = new RecursiveDirectoryIterator('/var/log');
foreach (new RecursiveIteratorIterator($it) as $file) {
if ($file->isFile() && strpos($file->getFilename(), '.log') > -1) {
if (strpos($file->getFilename(), 'flowd') === false) {
@unlink((string)$file);
}
}
}
system_syslog_start($verbose);
plugins_configure('dhcp', $verbose);
}
/*
* get_memory()
* returns an array listing the amount of
* memory installed in the hardware
* [0] net memory available for the OS (FreeBSD) after some is taken by BIOS, video or whatever - e.g. 235 MBytes
* [1] real (actual) memory of the system, should be the size of the RAM card/s - e.g. 256 MBytes
*/
function get_memory()
{
$physmem = get_single_sysctl("hw.physmem");
$realmem = get_single_sysctl("hw.realmem");
/* convert from bytes to megabytes */
return array(($physmem / 1048576),($realmem / 1048576));
}
function system_firmware_configure($verbose = false)
{
service_log('Writing firmware settings:', $verbose);
$scripts = glob('/usr/local/opnsense/scripts/firmware/repos/*');
natsort($scripts);
foreach ($scripts as $script) {
$basename = basename($script);
if ($basename == 'README' || strpos($basename, '.pgksave') !== false) {
continue;
} elseif (!is_executable($script)) {
continue;
}
/* run the script in passthru() but avoid standard output from this side */
passthru($script . '> /dev/null');
/* make a note about repo being handled */
service_log(' ' . preg_replace('/\..*?$/', '', $basename));
}
service_log("\n");
}
function system_trust_configure($verbose = false)
{
global $config;
service_log('Writing trust files...', $verbose);
$trust = new \OPNsense\Trust\General();
/*
* Write separate files because certctl will ignore the whole file
* if the first certificate matches. Unfortunately the behaviour
* can also be harmful because it overrides the user choice given
* through our GUI autorities section.
*
* 1. Clear all files (a subdirectory is not supported)
* 2. Write all files
* 3. Execute rehash to fill /etc/ssl/certs
* 4. Pull all content from /etc/ssl/certs
* 5. Write bundle files with all /etc/ssl/certs content
*/
$ca_files = '/usr/local/share/certs/ca-root-opnsense-%s';
foreach (glob(sprintf($ca_files, '*')) as $ca_unlink) {
@unlink($ca_unlink);
}
foreach (config_read_array('ca') as $i => $entry) {
if (!empty($entry['crt'])) {
// Split and cleans ca certificates, one entry could contain multiple certs if a user imported a bundle
// avoid expired ca's from being considered as valid alternatives.
$certlist = str_replace("\r", '', base64_decode($entry['crt']));
$user_cas = [""];
foreach (explode("\n", $certlist) as $row) {
$user_cas[count($user_cas) - 1] .= $row . "\n";
if (strpos($row, '---END') > 0) {
$user_cas[] = "";
}
}
$ca = "# OPNsense trust authority: {$entry['descr']}\n";
$ca_count = 0;
$include_intermediates = !empty((string)$trust->store_intermediate_certs);
foreach ($user_cas as $user_ca) {
if (!empty(trim($user_ca))) {
$certinfo = @openssl_x509_parse($user_ca);
$certext = !empty($certinfo['extensions']) ? $certinfo['extensions'] : [];
$authoritykey = "";
if (!empty($certext['authorityKeyIdentifier'])) {
$authoritykey = trim(str_replace('keyid:', '', preg_split("/\r\n|\n|\r/", $certext['authorityKeyIdentifier'])[0]));
}
$subjectkey = $certext['subjectKeyIdentifier'];
$is_self_signed = empty($authoritykey) || $subjectkey == $authoritykey;
$error_line = "";
if (!empty($certinfo['validTo']) && $certinfo['validTo_time_t'] < time()) {
$error_line = sprintf(
"(system local trust) refusing to import %s from %s (expired @ %s)",
$certinfo['name'],
$entry['descr'],
date('r', $certinfo['validFrom_time_t'])
);
} elseif (!$include_intermediates && !$is_self_signed) {
$error_line = sprintf(
"(system local trust) skip intermediate certificate %s from %s",
$certinfo['name'],
$entry['descr']
);
}
if (!empty($error_line)) {
syslog(LOG_NOTICE, $error_line);
$ca .= "#" . str_replace("\n", "", $error_line);
} else {
$ca .= $user_ca;
$ca_count += 1;
}
}
}
if ($ca_count) {
$ca_file = sprintf($ca_files, $i . '.crt');
\OPNsense\Core\File::file_put_contents(sprintf($ca_file, $i), $ca, 0644);
}
}
}
if (!empty((string)$trust->install_crls)) {
/* deploy all collected CRL's into the trust store, they will be hashed into /etc/ssl/certs by certctl eventually */
foreach (config_read_array('crl') as $i => $entry) {
if (!empty($entry) && !empty($entry['text'])) {
$crl_file = sprintf($ca_files, $i . '.crl');
$payload = base64_decode($entry['text']) ?? '';
\OPNsense\Core\File::file_put_contents(sprintf($crl_file, $i), $payload, 0644);
}
}
}
service_log("done.\n", $verbose);
/* collects all trusted certificates into /etc/ssl/certs directory */
passthru('/usr/local/opnsense/scripts/system/certctl.py rehash');
service_log('Writing trust bundles...', $verbose);
/* collect all the file content and write it to compatibility bundle locations */
$ca_bundle = [];
foreach (glob('/etc/ssl/certs/*.[0-9]') as $file) {
$ca_bundle[] = file_get_contents($file);
}
$ca_bundle = join("\n", $ca_bundle);
foreach (['/etc/ssl/cert.pem', '/usr/local/openssl/cert.pem'] as $pem) {
@unlink($pem); /* remove permanently as we use the directory */
}
foreach (['/usr/local/etc/ssl/cert.pem'] as $pem) {
@unlink($pem); /* do not clobber symlink target */
file_put_contents($pem, $ca_bundle);
chmod($pem, 0644);
}
configd_run('template reload OPNsense/Trust');
service_log("done.\n", $verbose);
}