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system.inc
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<?php
/*
Copyright (C) 2016-2017 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 get_default_sysctl_value($id)
{
$sysctls = array(
"debug.pfftpproxy" => "0",
"hw.syscons.kbd_reboot" => "0",
"kern.ipc.maxsockbuf" => "4262144",
"kern.randompid" => "347",
"kern.random.sys.harvest.interrupt" => 0,
"kern.random.sys.harvest.point_to_point" => 0,
"kern.random.sys.harvest.ethernet" => 0,
"kern.filedelay" => "5",
"kern.dirdelay" => "4",
"kern.metadelay" => "3",
"net.bpf.zerocopy_enable" => 1,
"net.inet.ip.portrange.first" => "1024",
"net.inet.tcp.blackhole" => "2",
"net.inet.udp.blackhole" => "1",
"net.inet.ip.random_id" => "1",
"net.inet.tcp.drop_synfin" => "1",
"net.inet.ip.redirect" => "1",
"net.inet6.ip6.redirect" => "1",
"net.inet6.ip6.use_tempaddr" => "0",
"net.inet6.ip6.prefer_tempaddr" => "0",
"net.inet.tcp.syncookies" => "1",
"net.inet.tcp.recvspace" => "65228",
"net.inet.tcp.sendspace" => "65228",
'net.inet.ip.sourceroute' => '0',
'net.inet.ip.accept_sourceroute' => '0',
'net.inet.icmp.drop_redirect' => '0',
'net.inet.icmp.log_redirect' => '0',
"net.inet.tcp.delayed_ack" => "0",
"net.inet.udp.maxdgram" => "57344",
"net.inet.ip.intr_queue_maxlen" => "1000",
"net.inet.tcp.log_debug" => "0",
"net.inet.tcp.tso" => "1",
"net.inet.icmp.icmplim" => "0",
"net.inet.ip.process_options" => 0,
"net.inet.udp.checksum" => 1,
"net.link.bridge.pfil_onlyip" => "0",
"net.link.bridge.pfil_member" => "1",
"net.link.bridge.pfil_bridge" => "0",
"net.link.tap.user_open" => "1",
"net.route.netisr_maxqlen" => 1024,
"net.inet.icmp.reply_from_interface" => 1,
"vfs.read_max" => "32",
);
if (isset($sysctls[$id])) {
return $sysctls[$id];
}
return null;
}
function activate_sysctls()
{
global $config;
$sysctls = array(
'net.enc.in.ipsec_bpf_mask' => '2', /* after processing */
'net.enc.in.ipsec_filter_mask' => '2', /* after processing */
'net.enc.out.ipsec_bpf_mask' => '1', /* before processing */
'net.enc.out.ipsec_filter_mask' => '1', /* before processing */
);
if (isset($config['sysctl']['item'])) {
foreach($config['sysctl']['item'] as $tunable) {
if ($tunable['value'] == 'default') {
$value = get_default_sysctl_value($tunable['tunable']);
} else {
$value = $tunable['value'];
}
$sysctls[$tunable['tunable']] = $value;
}
}
set_sysctl($sysctls);
}
function system_resolvconf_generate($verbose = false)
{
global $config;
$syscfg = $config['system'];
if ($verbose) {
echo 'Generating /etc/resolv.conf...';
flush();
}
if (!empty($syscfg['domain'])) {
$resolvconf = "domain {$syscfg['domain']}\n";
}
if (((isset($config['dnsmasq']['enable']) && (empty($config['dnsmasq']['interface']) || in_array("lo0", explode(",", $config['dnsmasq']['interface']))))
|| (isset($config['unbound']['enable'])) && (empty($config['unbound']['active_interface']) || in_array("lo0", explode(",", $config['unbound']['active_interface']))))
&& !isset($config['system']['dnslocalhost'])) {
$resolvconf .= "nameserver 127.0.0.1\n";
}
if (isset($syscfg['dnsallowoverride'])) {
foreach (get_searchdomains() as $searchserver) {
$resolvconf .= "search {$searchserver}\n";
}
foreach (get_nameservers() as $nameserver) {
$resolvconf .= "nameserver $nameserver\n";
}
}
if (isset($syscfg['dnsserver'][0])) {
foreach ($syscfg['dnsserver'] as $ns) {
$resolvconf .= "nameserver $ns\n";
}
}
$dnslock = lock('resolvconf', LOCK_EX);
file_put_contents('/etc/resolv.conf', $resolvconf);
chmod('/etc/resolv.conf', 0644);
/* setup static routes for DNS servers. */
for ($dnscounter = 1; $dnscounter < 9; $dnscounter++) {
/* setup static routes for dns servers */
$dnsgw = "dns{$dnscounter}gw";
if (isset($config['system'][$dnsgw])) {
$gwname = $config['system'][$dnsgw];
if (($gwname <> "") && ($gwname <> "none")) {
$gatewayip = lookup_gateway_ip_by_name($gwname);
if (is_ipaddrv4($gatewayip)) {
/* dns server array starts at 0 */
$dnscountermo = $dnscounter - 1;
system_host_route($syscfg['dnsserver'][$dnscountermo], $gatewayip);
}
if (is_ipaddrv6($gatewayip)) {
/* dns server array starts at 0 */
$dnscountermo = $dnscounter - 1;
system_host_route($syscfg['dnsserver'][$dnscountermo], $gatewayip);
}
}
}
}
unlock($dnslock);
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['nl_NL'] = gettext('Dutch');
$locales['fr_FR'] = gettext('French');
$locales['de_DE'] = gettext('German');
$locales['it_IT'] = gettext('Italian');
$locales['ja_JP'] = gettext('Japanese');
$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()
{
$master_list = array();
$search_list = glob('/var/etc/searchdomain_*');
if (is_array($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_dns_servers()
{
$dns_servers = array();
$dns_s = file('/etc/resolv.conf', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach($dns_s as $dns) {
$matches = '';
if (preg_match('/nameserver ([^ ]+)/', $dns, $matches)) {
$dns_servers[] = $matches[1];
}
}
return array_unique($dns_servers);
}
function get_nameservers()
{
$master_list = array();
$dns_lists = glob('/var/etc/nameserver_*');
if (is_array($dns_lists)) {
foreach ($dns_lists 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_ipaddr($dns)) {
$master_list[] = $dns;
}
}
}
}
return array_unique($master_list);
}
function system_hosts_generate($verbose = false)
{
global $config;
if ($verbose) {
echo 'Generating /etc/hosts...';
flush();
}
$syscfg = $config['system'];
$hosts = "127.0.0.1\tlocalhost localhost.{$syscfg['domain']}\n";
if (isset($config['interfaces']['lan'])) {
$cfgip = get_interface_ip("lan");
if (is_ipaddr($cfgip)) {
$hosts .= "{$cfgip}\t{$syscfg['hostname']}.{$syscfg['domain']} {$syscfg['hostname']}\n";
}
} else {
$sysiflist = get_configured_interface_list();
foreach ($sysiflist as $sysif) {
if (!interface_has_gateway($sysif)) {
$cfgip = get_interface_ip($sysif);
if (is_ipaddr($cfgip)) {
$hosts .= "{$cfgip}\t{$syscfg['hostname']}.{$syscfg['domain']} {$syscfg['hostname']}\n";
break;
}
}
}
}
file_put_contents('/etc/hosts', $hosts);
plugins_configure('hosts');
if ($verbose) {
echo "done.\n";
}
}
function system_hostname_configure($verbose = false)
{
global $config;
if ($verbose) {
echo 'Setting hostname: ';
flush();
}
$syscfg = $config['system'];
$hostname = "{$syscfg['hostname']}.{$syscfg['domain']}";
/* set hostname */
mwexecf('/bin/hostname %s', $hostname);
/* Setup host GUID ID. This is used by ZFS. */
mwexec("/etc/rc.d/hostid start");
if ($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, $interface = null)
{
if (is_ipaddrv4($gateway)) {
$family = 'inet';
} elseif (is_ipaddrv6($gateway)) {
$family = 'inet6';
if (is_linklocal($gateway)) {
$gateway .= "%{$interface}";
}
/* IPv6 does not support far gateway notion */
$interface = null;
} else {
return;
}
mwexecf('/sbin/route delete -%s default', array($family), true);
if (!empty($interface)) {
mwexecf('/sbin/route delete -%s %s -interface %s', array($family, $gateway, $interface), true);
mwexecf('/sbin/route add -%s %s -interface %s', array($family, $gateway, $interface));
}
mwexecf('/sbin/route add -%s default %s', array($family, $gateway));
}
function system_routing_configure($interface = '', $verbose = false)
{
global $config;
if ($verbose) {
echo 'Setting up routes...';
flush();
}
$gatewayip = "";
$interfacegw = "";
$foundgw = false;
$gatewayipv6 = "";
$interfacegwv6 = "";
$foundgwv6 = false;
$fargw = false;
/* XXX eventually this file-based workaround must be removed */
foreach (glob('/tmp/*_defaultgw{,v6}', GLOB_BRACE) as $to_delete) {
@unlink($to_delete);
}
/* tack on all the hard defined gateways as well */
if (isset($config['gateways']['gateway_item'])) {
foreach ($config['gateways']['gateway_item'] as $gateway) {
if (isset($gateway['defaultgw'])) {
if ($gateway['ipprotocol'] != "inet6" && (is_ipaddrv4($gateway['gateway']) || $gateway['gateway'] == "dynamic")) {
if (strstr($gateway['gateway'], ":")) {
continue;
}
if ($gateway['gateway'] == "dynamic") {
$gateway['gateway'] = get_interface_gateway($gateway['interface']);
}
$fargw = isset($gateway['fargw']);
$gatewayip = $gateway['gateway'];
$interfacegw = $gateway['interface'];
if (!empty($gateway['interface'])) {
$defaultif = get_real_interface($gateway['interface']);
if ($defaultif) {
@file_put_contents("/tmp/{$defaultif}_defaultgw", $gateway['gateway']);
}
}
$foundgw = true;
} elseif ($gateway['ipprotocol'] == "inet6" && (is_ipaddrv6($gateway['gateway']) || $gateway['gateway'] == "dynamic")) {
if ($gateway['gateway'] == "dynamic") {
$gateway['gateway'] = get_interface_gateway_v6($gateway['interface']);
}
$gatewayipv6 = $gateway['gateway'];
$interfacegwv6 = $gateway['interface'];
if (!empty($gateway['interface'])) {
$defaultifv6 = get_real_interface($gateway['interface']);
if ($defaultifv6) {
@file_put_contents("/tmp/{$defaultifv6}_defaultgwv6", $gateway['gateway']);
}
}
$foundgwv6 = true;
}
}
if ($foundgw === true && $foundgwv6 === true) {
break;
}
}
}
if (!$foundgw) {
$defaultif = get_real_interface("wan");
$interfacegw = "wan";
$gatewayip = get_interface_gateway("wan");
@touch("/tmp/{$defaultif}_defaultgw");
}
if (!$foundgwv6) {
$defaultifv6 = get_real_interface("wan");
$interfacegwv6 = "wan";
$gatewayipv6 = get_interface_gateway_v6("wan");
@touch("/tmp/{$defaultif}_defaultgwv6");
}
if (!empty($interface) && $interface != $interfacegw)
;
elseif (is_ipaddrv4($gatewayip)) {
log_error("ROUTING: setting IPv4 default route to {$gatewayip}");
system_default_route($gatewayip, $fargw ? $defaultif : null);
}
if (!empty($interface) && $interface != $interfacegwv6)
;
elseif (is_ipaddrv6($gatewayipv6)) {
log_error("ROUTING: setting IPv6 default route to {$gatewayipv6}");
system_default_route($gatewayipv6, $defaultifv6);
}
system_staticroutes_configure($interface);
set_sysctl(array(
'net.inet.ip.forwarding' => '1',
'net.inet6.ip6.forwarding' => '1'
));
if ($verbose) {
echo "done.\n";
}
return 0;
}
function add_hostname_to_watch($hostname)
{
$result = array();
if((is_fqdn($hostname)) && (!is_ipaddr($hostname))) {
$domrecords = array();
$domips = array();
exec("host -t A " . escapeshellarg($hostname), $domrecords, $rethost);
if($rethost == 0) {
foreach($domrecords as $domr) {
$doml = explode(" ", $domr);
$domip = $doml[3];
/* fill array with domain ip addresses */
if(is_ipaddr($domip)) {
$domips[] = $domip;
}
}
}
sort($domips);
$contents = "";
if(! empty($domips)) {
foreach($domips as $ip) {
$contents .= "$ip\n";
}
}
/* Remove empty elements */
$result = array_filter(explode("\n", $contents), 'strlen');
}
return $result;
}
function system_staticroutes_configure($interface = '')
{
global $config, $aliastable;
$filterdns_list = array();
$static_routes = get_staticroutes(false, true);
if (count($static_routes)) {
$gateways_arr = return_gateways_array(false, true);
foreach ($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['friendlyiface']) {
continue;
}
$interfacegw = $gateway['interface'];
$gatewayip = $gateway['gateway'];
$fargw = isset($gateway['fargw']) && $gateway['ipprotocol'] != 'inet6';
$blackhole = '';
switch ($rtent['gateway']) {
case 'Null4':
case 'Null6':
$blackhole = '-blackhole';
break;
default:
break;
}
if (!is_fqdn($rtent['network']) && !is_subnet($rtent['network'])) {
continue;
}
if (is_subnet($rtent['network'])) {
$ips = array($rtent['network']);
} else {
if (!isset($rtent['disabled'])) {
$filterdns_list[] = $rtent['network'];
}
$ips = add_hostname_to_watch($rtent['network']);
}
if (isset($rtent['disabled'])) {
foreach ($ips as $ip) {
if (!is_subnet($ip)) {
if (is_ipaddrv4($ip)) {
$ip .= "/32";
} elseif (is_ipaddrv6($ip)) {
$ip .= "/128";
}
}
$inet = (is_subnetv6($ip) ? "-inet6" : "-inet");
mwexec("/sbin/route delete {$inet} " . escapeshellarg($ip));
}
continue;
}
foreach ($ips as $ip) {
if (!is_subnet($ip)) {
if (is_ipaddrv4($ip)) {
$ip .= "/32";
} elseif (is_ipaddrv6($ip)) {
$ip .= "/128";
}
}
$inet = (is_subnetv6($ip) ? "-inet6" : "-inet");
$cmd = " {$inet} {$blackhole} " . escapeshellarg($ip) . " ";
if (is_subnet($ip)) {
if (is_ipaddr($gatewayip)) {
mwexec("/sbin/route delete".$cmd . escapeshellarg($gatewayip));
if ($fargw) {
mwexecf('/sbin/route delete %s %s -interface %s', array($inet, $gatewayip, $interfacegw));
mwexecf('/sbin/route add %s %s -interface %s', array($inet, $gatewayip, $interfacegw));
}
mwexec("/sbin/route add".$cmd . escapeshellarg($gatewayip));
} elseif (!empty($interfacegw)) {
mwexec("/sbin/route delete".$cmd . "-interface " . escapeshellarg($interfacegw));
mwexec("/sbin/route add".$cmd . "-interface " . escapeshellarg($interfacegw));
}
} else {
log_error(sprintf('Cannot add static route to: %s', $ip));
}
}
}
}
if (count($filterdns_list)) {
$hostnames = "";
array_unique($filterdns_list);
foreach ($filterdns_list as $hostname) {
$hostnames .= "cmd {$hostname} '/usr/local/opnsense/service/configd_ctl.py routedns reload'\n";
}
file_put_contents("/var/etc/filterdns-route.hosts", $hostnames);
if (isvalidpid('/var/run/filterdns-route.pid')) {
killbypid('/var/run/filterdns-route.pid', 'HUP');
} else {
mwexec("/usr/local/sbin/filterdns -p /var/run/filterdns-route.pid -i 60 -c /var/etc/filterdns-route.hosts -d 1");
}
}
return 0;
}
function system_syslogd_fixup_server($server)
{
/* If it's an IPv6 IP alone, encase it in brackets */
if (is_ipaddrv6($server)) {
return "[$server]";
} else {
return $server;
}
}
function system_syslogd_get_remote_servers($syslogcfg, $facility = "*.*") {
// Rather than repeatedly use the same code, use this function to build a list of remote servers.
$facility .= " ".
$remote_servers = "";
$pad_to = 56;
$padding = ceil(($pad_to - strlen($facility))/8)+1;
if(!empty($syslogcfg['remoteserver'])) {
$remote_servers .= "{$facility}" . str_repeat("\t", $padding) . "@" . system_syslogd_fixup_server($syslogcfg['remoteserver']) . "\n";
}
if(!empty($syslogcfg['remoteserver2'])) {
$remote_servers .= "{$facility}" . str_repeat("\t", $padding) . "@" . system_syslogd_fixup_server($syslogcfg['remoteserver2']) . "\n";
}
if(!empty($syslogcfg['remoteserver3'])) {
$remote_servers .= "{$facility}" . str_repeat("\t", $padding) . "@" . system_syslogd_fixup_server($syslogcfg['remoteserver3']) . "\n";
}
return $remote_servers;
}
function system_syslogd_extra_local($logsocket)
{
$logdir = dirname($logsocket);
if (!is_dir($logdir)) {
/* create if needed to avoid startup error */
mwexecf('/bin/mkdir -p %s', $logdir);
}
/* emit extra args for syslogd invoke */
return exec_safe('-l %s ', $logsocket);
}
function system_syslogd_start($verbose = false)
{
global $config;
if ($verbose) {
echo 'Starting syslog...';
flush();
}
configd_run('template reload OPNsense/Syslog');
mwexec('/etc/rc.d/hostid start');
$syslogcfg = $config['syslog'];
$log_directive = '%';
$syslogd_extra = '';
if (isset($syslogcfg)) {
$syslogconf = '';
$syslogconfs = array();
foreach (plugins_syslog() as $plugin_name => $plugin_details) {
$syslogconfs[$plugin_name] = $plugin_details;
}
/*
* XXX Standard syslog configs overwrite plugins, but we can
* get rid of this behaviour by wrapping this local array using
* the key as a "name" entry in the array...
*/
$syslogconfs['dhcpd'] = array('facility' => array('dhcpd', 'dhcrelay', 'dhclient', 'dhcp6c'), 'local' => '/var/dhcpd/var/run/log', 'remote' => 'dhcp');
$syslogconfs['filter'] = array('facility' => array('filterlog'), 'remote' => 'filter');
$syslogconfs['gateways'] = array('facility' => array('apinger'), 'remote' => 'apinger');
$syslogconfs['portalauth'] = array('facility' => array('captiveportal'), 'remote' => 'portalauth');
$syslogconfs['ppps'] = array('facility' => array('ppp'));
$syslogconfs['resolver'] = array('facility' => array('filterdns', 'unbound'), 'remote' => 'dns');
$syslogconfs['routing'] = array('facility' => array('radvd', 'routed', 'rtsold', 'olsrd', 'zebra', 'ospfd', 'bgpd', 'miniupnpd'));
$syslogconfs['wireless'] = array('facility' => array('hostapd'), 'remote' => 'hostapd');
$separatelogfacilities = array();
foreach ($syslogconfs as $logTopic => $logConfig) {
$syslogconf .= "!".implode(',', $logConfig['facility'])."\n";
$separatelogfacilities = array_merge($logConfig['facility'], $separatelogfacilities);
if (!isset($syslogcfg['disablelocallogging'])) {
$syslogconf .= "*.* {$log_directive}/var/log/{$logTopic}.log\n";
}
if (!empty($logConfig['remote']) && !empty($syslogcfg[$logConfig['remote']]) && !empty($syslogcfg['enable'])) {
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "*.*");
}
if (!empty($logConfig['local'])) {
$syslogd_extra .= system_syslogd_extra_local($logConfig['local']);
}
}
asort($separatelogfacilities);
$facilitylist = implode(',', array_unique($separatelogfacilities));
$syslogconf .= "!-{$facilitylist}\n";
if (!isset($syslogcfg['disablelocallogging'])) {
$syslogconf .= <<<EOD
local3.* {$log_directive}/var/log/vpn.log
local7.* {$log_directive}/var/log/dhcpd.log
*.notice;kern.debug;lpr.info;mail.crit;daemon.none; {$log_directive}/var/log/system.log
news.err;local0.none;local3.none;local4.none; {$log_directive}/var/log/system.log
local7.none {$log_directive}/var/log/system.log
security.* {$log_directive}/var/log/system.log
auth.info;authpriv.info;daemon.info {$log_directive}/var/log/system.log
auth.info;authpriv.info;user.* |exec /usr/local/sbin/sshlockout_pf 15
*.emerg *
EOD;
}
if (!empty($syslogcfg['enable'])) {
if (isset($syslogcfg['vpn'])) {
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "local3.*");
}
if (isset($syslogcfg['dns'])) {
/* XXX needs testing */
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "local5.*");
}
if (isset($syslogcfg['portalauth'])) {
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "local4.*");
}
if (isset($syslogcfg['dhcp'])) {
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "local7.*");
}
if (isset($syslogcfg['system'])) {
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "*.notice;kern.debug;lpr.info;mail.crit;");
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "news.err;local0.none;local3.none;local7.none");
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "security.*");
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "auth.info;authpriv.info;daemon.info");
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "*.emerg");
}
if (isset($syslogcfg['logall'])) {
// Make everything mean everything, including facilities excluded above.
$syslogconf .= "!*\n";
$syslogconf .= system_syslogd_get_remote_servers($syslogcfg, "*.*");
}
}
file_put_contents('/var/etc/syslog.conf', $syslogconf);
if (!empty($syslogcfg['sourceip'])) {
if ($syslogcfg['ipproto'] == "ipv6") {
$ifaddr = is_ipaddr($syslogcfg['sourceip']) ? $syslogcfg['sourceip'] : get_interface_ipv6($syslogcfg['sourceip']);
if (!is_ipaddr($ifaddr)) {
$ifaddr = get_interface_ip($syslogcfg['sourceip']);
}
} else {
$ifaddr = is_ipaddr($syslogcfg['sourceip']) ? $syslogcfg['sourceip'] : get_interface_ip($syslogcfg['sourceip']);
if (!is_ipaddr($ifaddr)) {
$ifaddr = get_interface_ipv6($syslogcfg['sourceip']);
}
}
if (is_ipaddr($ifaddr)) {
$syslogd_extra .= exec_safe('-b %s ', $ifaddr);
}
}
$syslogd_extra .= exec_safe('-f %s ', '/var/etc/syslog.conf');
// setup log files for all facilities including default
$default_logfile_size = !empty($syslogcfg['logfilesize']) ? $syslogcfg['logfilesize'] : '511488';
$syslog_files = array_keys($syslogconfs);
$syslog_files = array_merge($syslog_files, array('system', 'vpn', 'lighttpd'));
foreach ($syslog_files as $syslog_fn) {
$filename = "/var/log/".basename($syslog_fn).".log";
if (!file_exists($filename)) {
mwexecf('/usr/local/sbin/clog -i -s %s %s', array($default_logfile_size, $filename));
}
mwexecf('chmod 0600 %s', array($filename));
}
}
if (isvalidpid('/var/run/syslog.pid')) {
killbypid('/var/run/syslog.pid', 'HUP');
} else {
mwexecf_bg("/usr/local/sbin/syslogd -s -c -c -P %s {$syslogd_extra}", '/var/run/syslog.pid');
}
if ($verbose) {
echo "done.\n";
}
}
function system_clear_log($logfile, $restart_syslogd = true)
{
if ($restart_syslogd) {
killbyname('syslogd');
}
foreach (glob($logfile . '.*') as $rotated) {
@unlink($rotated);
}
/* preserve file ownership and permissions */
if (file_exists($logfile)) {
$handle = fopen($logfile, 'r+');
if ($handle) {
ftruncate($handle, 0);
fclose($handle);
}
}
if ($restart_syslogd) {
system_syslogd_start();
}
}
function system_clear_clog($logfile, $restart_syslogd = true)
{
global $config;
if ($restart_syslogd) {
killbyname('syslogd');
}
$log_size = isset($config['syslog']['logfilesize']) ? $config['syslog']['logfilesize'] : '511488';
mwexecf('/usr/local/sbin/clog -i -s %s %s', array($log_size, $logfile));
if ($restart_syslogd) {
system_syslogd_start();
}
}
/*
* 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();
}
/* rewrite the config via the defaults */
$origin_conf = '/usr/local/etc/pkg/repos/origin.conf';
copy("${origin_conf}.sample", $origin_conf);
if (!empty($config['system']['firmware']['mirror'])) {
mwexecf(
'/usr/local/sbin/opnsense-update %s %s',
array('-sm', str_replace('/', '\/', $config['system']['firmware']['mirror']))
);
}
if (!empty($config['system']['firmware']['flavour'])) {
mwexecf(
'/usr/local/sbin/opnsense-update -sn %s',
str_replace('/', '\/', sprintf(
"%s{$config['system']['firmware']['flavour']}",
/* if there is no directory slash we always treat it with default ABI prefix */
strpos($config['system']['firmware']['flavour'], '/') === false ?
trim(file_get_contents('/usr/local/opnsense/version/opnsense.abi')) . '/' : ''
))
);
}
if ($verbose) {
echo "done.\n";
}
}
function system_timezone_configure($verbose = false)
{
global $config;
$syscfg = $config['system'];
if ($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_halt($sync = false)
{