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system.inc
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<?php
/*
* Copyright (C) 2016-2022 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;
}
if ($verbose) {
echo 'Starting power daemon...';
flush();
}
$ac_mode = 'hadp';
if (!empty($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, $normal_mode)
);
if ($verbose) {
echo "done.\n";
}
}
function system_sysctl_defaults()
{
global $config;
return [
'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 */
'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' => '0' ],
'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.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.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' ],
'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_error('warning: ignoring missing default tunable request: ' . $key);
unset($sysctls[$key]);
}
}
ksort($sysctls);
return $sysctls;
}
function system_resolvconf_generate($verbose = false)
{
global $config;
if ($verbose) {
echo 'Generating /etc/resolv.conf...';
flush();
}
$syscfg = config_read_array('system');
$resolvconf = '';
$search = [];
$routes = [];
mwexecf(
'/etc/rc.d/ip6addrctl %s',
isset($syscfg['prefer_ipv4']) ? 'prefer_ipv4' : 'prefer_ipv6'
);
if (!empty($syscfg['domain'])) {
$resolvconf = "domain {$syscfg['domain']}\n";
$search[] = $syscfg['domain'];
}
if (!empty($syscfg['dnssearchdomain'])) {
/* add custom search entries after default domain before potential provider entries */
$search[] = $syscfg['dnssearchdomain'];
}
if (!isset($syscfg['dnslocalhost']) && (isset($config['dnsmasq']['enable']) || isset($config['unbound']['enable']))) {
$resolvconf .= "nameserver 127.0.0.1\n";
}
$search = array_merge($search, get_searchdomains());
foreach (get_nameservers(null, true) as $dnsserver) {
$host = !empty($dnsserver['host']) ? $dnsserver['host'] : $dnsserver;
$resolvconf .= "nameserver {$host}\n";
$routes[] = $dnsserver;
}
if (count($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 $route) {
system_host_route($route['host'], $route['gateway']);
}
if ($verbose) {
echo "done.\n";
}
}
function get_locale_list()
{
$locales = array();
/* first one is the default */
$locales['en_US'] = gettext('English');
$locales['cs_CZ'] = gettext('Czech');
$locales['zh_CN'] = gettext('Chinese (Simplified)');
$locales['fr_FR'] = gettext('French');
$locales['de_DE'] = gettext('German');
$locales['it_IT'] = gettext('Italian');
$locales['ja_JP'] = gettext('Japanese');
$locales['no_NO'] = gettext('Norwegian');
$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');
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()
{
$search_list = glob('/tmp/*_searchdomain*');
$syscfg = config_read_array('system');
$master_list = [];
if (!isset($syscfg['dnsallowoverride'])) {
/* do not return domains as required by configuration */
$search_list = [];
}
if (is_array($search_list)) {
foreach ($search_list as $fdns) {
$contents = file($fdns, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (!is_array($contents)) {
continue;
}
foreach ($contents as $dns) {
if (!empty($dns) && is_hostname($dns)) {
$master_list[] = $dns;
}
}
}
}
return array_unique($master_list);
}
function get_nameservers($interface = null, $with_gateway = false)
{
global $config;
$gateways = new \OPNsense\Routing\Gateways(legacy_interfaces_details());
$dns_lists = glob('/tmp/*_nameserver*');
$syscfg = config_read_array('system');
$exclude_interfaces = [];
$master_list = [];
if (!empty($interface)) {
/* only acquire servers provided for this interface */
$realif = get_real_interface($interface);
$realifv6 = get_real_interface($interface, 'inet6');
$dns_lists = [
"/tmp/{$realif}_nameserver",
"/tmp/{$realifv6}_nameserverv6",
];
} elseif (!isset($syscfg['dnsallowoverride'])) {
/* do not return dynamic servers as required by configuration */
$dns_lists = [];
}
if (isset($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 */
$intf = explode('_', basename($fdns))[0];
if (in_array($intf, $exclude_interfaces)) {
continue;
}
$contents = @file($fdns, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (!is_array($contents)) {
continue;
}
/* router file is available for connectivity creating nameserver files */
$gw = trim(@file_get_contents(str_replace('_nameserver', '_router', $fdns)));
if (is_linklocal($gw) && strpos($gw, '%') === false) {
$gw .= "%{$intf}";
}
foreach ($contents as $dns) {
if (empty($dns) || !is_ipaddr($dns)) {
continue;
}
if ($with_gateway) {
$master_list[] = ['host' => $dns, 'gateway' => $gw];
} 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";
$gateway = null;
if (!empty($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];
} else {
$master_list[] = $dns;
}
}
/* XXX check for overlapping host routes in gateway mode? */
return array_unique($master_list, SORT_REGULAR);
}
function system_hosts_generate($verbose = false)
{
if ($verbose) {
echo 'Generating /etc/hosts...';
flush();
}
$syscfg = config_read_array('system');
$hosts = "127.0.0.1\tlocalhost localhost.{$syscfg['domain']}\n";
/* we pull the second host entry from a "priority" list: lan, optX or wan */
$iflist = array_keys(get_configured_interface_with_descr());
sort($iflist);
if (!empty($iflist[0])) {
$cfgip = get_interface_ip($iflist[0]);
if (is_ipaddrv4($cfgip)) {
$hosts .= "{$cfgip}\t{$syscfg['hostname']}.{$syscfg['domain']} {$syscfg['hostname']}\n";
}
}
file_put_contents('/etc/hosts', $hosts);
plugins_configure('hosts');
if ($verbose) {
echo "done.\n";
}
}
function system_hostname_configure($verbose = false)
{
if ($verbose) {
echo 'Setting hostname: ';
flush();
}
$syscfg = config_read_array('system');
$hostname = "{$syscfg['hostname']}.{$syscfg['domain']}";
mwexecf('/bin/hostname %s', $hostname);
if ($verbose) {
echo "{$hostname}\n";
}
}
function system_host_route($host, $gateway, $delete = true, $add = true)
{
if (is_ipaddrv4($gateway)) {
$family = 'inet';
} elseif (is_ipaddrv6($gateway)) {
$family = 'inet6';
} else {
return;
}
if ($delete) {
mwexecf('/sbin/route delete -host -%s %s', array($family, $host), true);
}
if ($add) {
mwexecf('/sbin/route add -host -%s %s %s', array($family, $host, $gateway));
}
}
function system_default_route($gateway, $family, $interface, $far = false)
{
$realif = get_real_interface($interface, $family == 'inet' ? 'all' : 'inet6');
switch ($family) {
case 'inet':
break;
case 'inet6':
if (is_linklocal($gateway)) {
$gateway .= "%{$realif}";
}
break;
default:
log_error("ROUTING: unknown address family '{$family}'");
return;
}
$tmpcmd = "/sbin/route -n get -{$family} default 2>/dev/null | /usr/bin/awk '/gateway:/ {print $2}'";
$current = trim(exec($tmpcmd), " \n");
if ($current == $gateway) {
log_error("ROUTING: keeping current default gateway '{$gateway}'");
return;
}
if ($family == 'inet') {
foreach (glob('/tmp/*_defaultgw') as $to_delete) {
log_error("ROUTING: removing {$to_delete}");
@unlink($to_delete);
}
log_error("ROUTING: creating /tmp/{$realif}_defaultgw using '{$gateway}'");
@file_put_contents("/tmp/{$realif}_defaultgw", $gateway);
if (!$far) {
list (, $network) = interfaces_primary_address($interface);
if (ip_in_subnet($gateway, $network)) {
$realif = null;
} else {
log_error("ROUTING: treating '{$gateway}' as far gateway for '{$network}'");
}
}
} else {
foreach (glob('/tmp/*_defaultgwv6') as $to_delete) {
log_error("ROUTING: removing {$to_delete}");
@unlink($to_delete);
}
log_error("ROUTING: creating /tmp/{$realif}_defaultgwv6 using '{$gateway}'");
@file_put_contents("/tmp/{$realif}_defaultgwv6", $gateway);
/* IPv6 does not support far gateway notion */
$realif = null;
}
mwexecf('/sbin/route delete -%s default', array($family), true);
if (!empty($realif)) {
mwexecf('/sbin/route delete -%s %s -interface %s', array($family, $gateway, $realif), true);
mwexecf('/sbin/route add -%s %s -interface %s', array($family, $gateway, $realif));
}
mwexecf('/sbin/route add -%s default %s', array($family, $gateway));
}
function system_routing_configure($verbose = false, $interface = '')
{
if ($verbose) {
echo 'Setting up routes...';
flush();
}
if (!empty($interface)) {
log_error("ROUTING: entering configure using '${interface}'");
} else {
log_error("ROUTING: entering configure using defaults");
}
$gateways = new \OPNsense\Routing\Gateways(legacy_interfaces_details());
foreach (['inet', 'inet6'] as $ipproto) {
/* determine default gateway without considering monitor status */
$gateway = $gateways->getDefaultGW(array(), $ipproto);
$logproto = $ipproto == 'inet' ? 'IPv4' : 'IPv6';
if ($gateway != null) {
log_error("ROUTING: {$logproto} default gateway set to {$gateway['interface']}");
if ((empty($interface) || $interface == $gateway['interface']) && !empty($gateway['gateway'])) {
log_error("ROUTING: setting {$logproto} default route to {$gateway['gateway']}");
system_default_route($gateway['gateway'], $ipproto, $gateway['interface'], isset($gateway['fargw']));
} else {
log_error("ROUTING: skipping {$logproto} default route");
}
}
}
system_staticroutes_configure($interface);
if ($verbose) {
echo "done.\n";
}
}
function system_staticroutes_configure($interface = '')
{
$static_routes = get_staticroutes(false);
if (count($static_routes)) {
$ifdetails = legacy_interfaces_details();
$gateways_arr = (new \OPNsense\Routing\Gateways($ifdetails))->gatewaysIndexedByName(false, true);
foreach ($static_routes as $rtent) {
if (empty($gateways_arr[$rtent['gateway']])) {
log_error(sprintf('Static Routes: Gateway IP could not be found for %s', $rtent['network']));
continue;
}
$gateway = $gateways_arr[$rtent['gateway']];
if (!empty($interface) && $interface != $gateway['interface']) {
continue;
}
if (!is_subnet($rtent['network'])) {
log_error(sprintf('Cannot add static route to: %s', $rtent['network']));
continue;
}
$interfacegw = $gateway['if'];
$gatewayip = $gateway['gateway'];
$fargw = isset($gateway['fargw']) && $gateway['ipprotocol'] != 'inet6';
$blackhole = '';
switch ($rtent['gateway']) {
case 'Null4':
case 'Null6':
$blackhole = '-blackhole';
break;
default:
break;
}
$ip = $rtent['network'];
if (!empty($rtent['disabled'])) {
$inet = (is_subnetv6($ip) ? "-inet6" : "-inet");
$cmd = " {$inet} {$blackhole} " . escapeshellarg($ip) . " ";
mwexec("/sbin/route delete {$cmd}", true);
} else {
$inet = (is_subnetv6($ip) ? "-inet6" : "-inet");
$cmd = " {$inet} {$blackhole} " . escapeshellarg($ip) . " ";
if (is_ipaddr($gatewayip)) {
mwexec("/sbin/route delete {$cmd}", true);
if ($fargw) {
mwexecf('/sbin/route delete %s %s -interface %s ', array($inet, $gatewayip, $interfacegw), true);
mwexecf('/sbin/route add %s %s -interface %s', array($inet, $gatewayip, $interfacegw), true);
} elseif (is_linklocal($gatewayip) && strpos($gatewayip, '%') === false) {
$gatewayip .= "%{$interfacegw}";
}
mwexec("/sbin/route add" . $cmd . escapeshellarg($gatewayip), true);
} elseif (!empty($interfacegw)) {
mwexec("/sbin/route delete" . $cmd . "-interface " . escapeshellarg($interfacegw), true);
mwexec("/sbin/route add" . $cmd . "-interface " . escapeshellarg($interfacegw), true);
}
}
}
}
}
function system_syslog_start($verbose = false)
{
if ($verbose) {
echo 'Configuring system logging...';
flush();
}
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_exec('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', $this_version);
if ($verbose) {
echo "done.\n";
}
}
function system_syslog_stop()
{
mwexecf('/usr/sbin/service syslog-ng stop');
}
/*
* 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)
{
global $config;
if ($verbose) {
echo 'Writing firmware setting...';
flush();
}
/* calculate the effective ABI */
$args = [ exec_safe('-A %s', trim(shell_exec('opnsense-version -x'))) ];
if (!empty($config['system']['firmware']['mirror'])) {
$args[] = exec_safe('-m %s', str_replace('/', '\/', $config['system']['firmware']['mirror']));
}
if (!empty($config['system']['firmware']['flavour'])) {
$args[] = exec_safe('-n %s', str_replace('/', '\/', $config['system']['firmware']['flavour']));
}
/* rewrite the config via the defaults and possible arguments */
mwexec('/usr/local/sbin/opnsense-update -sd ' . join(' ', $args));
if ($verbose) {
echo "done.\n";
}
}
function system_trust_configure($verbose = false)
{
global $config;
if ($verbose) {
echo 'Writing trust files...';
flush();
}
$ca_root_nss = '/usr/local/share/certs/ca-root-nss.crt';
$ca_cert_pem = '/usr/local/openssl/cert.pem';
if (file_exists($ca_root_nss)) {
$ca = file_get_contents($ca_root_nss);
foreach (config_read_array('ca') as $entry) {
if (!empty($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[] = "";
}
}
$ca .= "\n# {$entry['descr']}\n";
$include_intermediates = !empty($config['system']['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 .= $user_ca;
}
}
}
}
}
file_put_contents($ca_cert_pem, $ca);
copy($ca_cert_pem, '/usr/local/etc/ssl/cert.pem');
@unlink('/etc/ssl/cert.pem'); /* do not clobber symlink target */
copy($ca_cert_pem, '/etc/ssl/cert.pem');
chmod('/etc/ssl/cert.pem', 0644);
}
if ($verbose) {
echo "done.\n";
}
}
function system_timezone_configure($verbose = false)
{
$syscfg = config_read_array('system');
if ($verbose) {
echo 'Setting timezone...';
flush();
}
/* extract appropriate timezone file */
$timezone = $syscfg['timezone'];
$timezones = get_zoneinfo();
/* reset to default if empty or nonexistent */
if (
empty($timezone) || !in_array($timezone, $timezones) ||
!file_exists(sprintf('/usr/share/zoneinfo/%s', $timezone))
) {
$timezone = 'Etc/UTC';
}
/* apply timezone */
if (file_exists(sprintf('/usr/share/zoneinfo/%s', $timezone))) {
copy(sprintf('/usr/share/zoneinfo/%s', $timezone), '/etc/localtime');
}
if ($verbose) {
echo "done.\n";
}
}
function system_sysctl_configure($verbose = false)
{
if ($verbose) {
echo 'Setting up extended sysctls...';
flush();
}
set_sysctl(system_sysctl_get());
if ($verbose) {
echo "done.\n";
}
}
function system_kernel_configure($verbose = false)
{
global $config;
if ($verbose) {
echo 'Configuring kernel modules...';
flush();
}
/*
* Vital kernel modules can go missing on reboot due to
* /boot/loader.conf not materialising. This is still
* an UFS problem, despite claims otherwise. In any case,
* load all the modules again to make sure.
*
* Keep in sync with /usr/local/etc/erc.loader.d/20-modules
*/
$mods = array(
'carp',
'if_bridge',
'if_enc',
'if_gif',
'if_gre',
'if_lagg',
'if_tap',
'if_tun',
'if_vlan',
'pf',
'pflog',
'pfsync',
);
if (!empty($config['system']['crypto_hardware'])) {
foreach (explode(',', $config['system']['crypto_hardware']) as $crypto) {
log_error(sprintf('Loading %s cryptographic accelerator module.', $crypto));
$mods[] = $crypto;
}
}
if (!empty($config['system']['thermal_hardware'])) {
log_error(sprintf('Loading %s thermal monitor module.', $config['system']['thermal_hardware']));
$mods[] = $config['system']['thermal_hardware'];
}
foreach ($mods as $mod) {
mwexecf('/sbin/kldload %s', $mod, true);
}
/* we now have /dev/pf, time to fix permissions for proxies */
chgrp('/dev/pf', 'proxy');
chmod('/dev/pf', 0660);
if ($verbose) {
echo "done.\n";
}
}
function system_devd_configure($verbose = false)
{
if ($verbose) {
echo 'Starting device manager...';
flush();
}
exec('/sbin/devd');
/* historic sleep */
sleep(1);
if ($verbose) {
echo "done.\n";
}
}
function system_cron_configure($verbose = false)
{
function generate_cron_job($command, $minute = '0', $hour = '*', $monthday = '*', $month = '*', $weekday = '*')
{
$cron_item = array();
$cron_item['minute'] = $minute;
$cron_item['hour'] = $hour;
$cron_item['mday'] = $monthday;
$cron_item['month'] = $month;
$cron_item['wday'] = $weekday;
$cron_item['command'] = $command;
return $cron_item;
}
$autocron = array();
if ($verbose) {
echo 'Configuring CRON...';
flush();
}
foreach (plugins_cron() as $cron_plugin) {
/*
* We are stuffing jobs inside 'autocron' to be able to
* deprecate this at a later time. Ideally all of the
* services should use a single cron-model, which this is
* not. At least this plugin function helps us to divide
* and conquer the code bits... :)
*/
if (!empty($cron_plugin['autocron'])) {
$autocron[] = call_user_func_array('generate_cron_job', $cron_plugin['autocron']);
}
}
$crontab_contents = "# DO NOT EDIT THIS FILE -- OPNsense auto-generated file\n";
$crontab_contents .= "#\n";
$crontab_contents .= "# User-defined crontab files can be loaded via /etc/cron.d\n";
$crontab_contents .= "# or /usr/local/etc/cron.d and follow the same format as\n";
$crontab_contents .= "# /etc/crontab, see the crontab(5) manual page.\n";
$crontab_contents .= "SHELL=/bin/sh\n";
$crontab_contents .= "PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin\n";
$crontab_contents .= "REQUESTS_CA_BUNDLE=/etc/ssl/cert.pem\n";
$crontab_contents .= "#minute\thour\tmday\tmonth\twday\tcommand\n";
foreach ($autocron as $item) {
$crontab_contents .= "{$item['minute']}\t";
$crontab_contents .= "{$item['hour']}\t";
$crontab_contents .= "{$item['mday']}\t";
$crontab_contents .= "{$item['month']}\t";
$crontab_contents .= "{$item['wday']}\t";
$crontab_contents .= "({$item['command']}) > /dev/null\n";
}
file_put_contents('/var/cron/tabs/root', $crontab_contents);
configd_run('template reload OPNsense/Cron');
mwexec('/etc/rc.d/cron restart');
if ($verbose) {
echo "done.\n";
}
}
function system_console_types()
{
return array(
/* sorted by usage */
'video' => array('value' => 'vidconsole', 'name' => gettext('VGA Console')),
'serial' => array('value' => 'comconsole', 'name' => gettext('Serial Console')),
'efi' => array('value' => 'efi', 'name' => gettext('EFI Console')),
'null' => array('value' => 'nullconsole', 'name' => gettext('Mute Console')),
);
}
function system_console_speed()
{