pfSense

<?php

/* $Id$ */

/*

	system.inc

	part of m0n0wall (http://m0n0.ch/wall)

	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.

*/

/* include all configuration functions */

require_once("functions.inc");

function system_resolvconf_generate($dynupdate = false) {

        global $config, $g;

        $syscfg = $config['system'];

        $fd = fopen("{$g['varetc_path']}/resolv.conf", "w");

        if (!$fd) {

                printf("Error: cannot open resolv.conf in system_resolvconf_generate().\n");

                return 1;

        }

        $resolvconf = "domain {$syscfg['domain']}\n";

        $havedns = false;

        if (isset($syscfg['dnsallowoverride'])) {

                /* get dynamically assigned DNS servers (if any) */

                $nfd = @fopen("{$g['varetc_path']}/nameservers.conf", "r");

                if ($nfd) {

                        while (!feof($nfd)) {

                                $dnss = trim(fgets($nfd));

                                if ($dnss) {

                                        $resolvconf .= "nameserver $dnss\n";

                                        $havedns = true;

                                }

                        }

                        fclose($nfd);

                }

                $nfd = @fopen("{$g['varetc_path']}/defaultdomain.conf", "r");

                if ($nfd and $havedns) {

                        while (!feof($nfd)) {

                                $dnss = trim(fgets($nfd));

                                if ($dnss) {

                                        $resolvconf .= "search $dnss\n";

                                }

                        }

                        fclose($nfd);

                }

        }

        if (!$havedns && is_array($syscfg['dnsserver'])) {

                foreach ($syscfg['dnsserver'] as $ns) {

                        if ($ns) {

                                $resolvconf .= "nameserver $ns\n";

				$havedns = true;

			}

                }

        }

	$ns = str_replace("nameserver nameserver ", "nameserver ", $resolvconf);

        fwrite($fd, $resolvconf);

        fclose($fd);

        if (!$g['booting']) {

                /* restart dhcpd (nameservers may have changed) */

                if (!$dynupdate)

                        services_dhcpd_configure();

        }

        return 0;

}

function system_hosts_generate() {

	global $config, $g;

	$syscfg = $config['system'];

	$lancfg = $config['interfaces']['lan'];

	$dnsmasqcfg = $config['dnsmasq'];

	if (!is_array($dnsmasqcfg['hosts'])) {

		$dnsmasqcfg['hosts'] = array();

	}

	$hostscfg = $dnsmasqcfg['hosts'];

	$fd = fopen("{$g['varetc_path']}/hosts", "w");

	if (!$fd) {

		printf("Error: cannot open hosts file in system_hosts_generate().\n");

		return 1;

	}

	$hosts = <<<EOD

127.0.0.1	localhost localhost.{$syscfg['domain']}

{$lancfg['ipaddr']}	{$syscfg['hostname']}.{$syscfg['domain']} {$syscfg['hostname']}

EOD;

	foreach ($hostscfg as $host) {

		if ($host['host'])

			$hosts .= "{$host['ip']}	{$host['host']}.{$host['domain']} {$host['host']}\n";

		else

			$hosts .= "{$host['ip']}	{$host['domain']}\n";

	}

	fwrite($fd, $hosts);

	fclose($fd);

	return 0;

}

function system_hostname_configure() {

	global $config, $g;

	$syscfg = $config['system'];

	/* set hostname */

	return mwexec("/bin/hostname " .

		escapeshellarg("{$syscfg['hostname']}.{$syscfg['domain']}"));

}

function system_routing_configure() {

	global $config, $g;

	/* Enable fast routing, if enabled */

	if(isset($config['staticroutes']['enablefastrouting']))

		mwexec("/sbin/sysctl net.inet.ip.fastforwarding=1");

	/* clear out old routes, if necessary */

	if (file_exists("{$g['vardb_path']}/routes.db")) {

		$fd = fopen("{$g['vardb_path']}/routes.db", "r");

		if (!$fd) {

			printf("Error: cannot open routes DB file in system_routing_configure().\n");

			return 1;

		}

		while (!feof($fd)) {

			$oldrt = fgets($fd);

			if ($oldrt)

				mwexec("/sbin/route delete " . escapeshellarg($oldrt));

		}

		fclose($fd);

		unlink("{$g['vardb_path']}/routes.db");

	}

	if (is_array($config['staticroutes']['route'])) {

		$fd = fopen("{$g['vardb_path']}/routes.db", "w");

		if (!$fd) {

			printf("Error: cannot open routes DB file in system_routing_configure().\n");

			return 1;

		}

		foreach ($config['staticroutes']['route'] as $rtent) {

			mwexec("/sbin/route add " . escapeshellarg($rtent['network']) .

				" " . escapeshellarg($rtent['gateway']));

			/* record route so it can be easily removed later (if necessary) */

			fwrite($fd, $rtent['network'] . "\n");

		}

		fclose($fd);

	}

	return 0;

}

function system_routing_enable() {

	global $config, $g;

	return mwexec("/sbin/sysctl net.inet.ip.forwarding=1");

}

function system_syslogd_start() {

	global $config, $g;

	$syslogcfg = $config['syslog'];

	if ($g['booting'])

		echo "Starting syslog... ";

	else

		killbypid("{$g['varrun_path']}/syslog.pid");

	if (isset($syslogcfg)) {

		if($config['installedpackages']['package']) {

                        foreach($config['installedpackages']['package'] as $package) {

                                if($package['logging']) {	

					$pkgfacilities[] = $package['logging']['facilityname'];

                                	$syslogconf .= '!' . $package['logging']['facilityname'] . "\n*.*\t\t\t\t\t\t%{$g['varlog_path']}/" . $package['logging']['logfilename'] . "\n";

				}

                        }

			if(is_array($pkgfacilities)) $syslogconf .= '!-' . implode(',', $pkgfacilities) . "\n";

                }

		/* write syslog.conf */

		$fd = fopen("{$g['varetc_path']}/syslog.conf", "w");

		if (!$fd) {

			printf("Error: cannot open syslog.conf in system_syslogd_start().\n");

			return 1;

		}

		if (!isset($syslogcfg['disablelocallogging'])) {

		$syslogconf .= <<<EOD

local0.*					%{$g['varlog_path']}/filter.log

local3.*					%{$g['varlog_path']}/vpn.log

local4.*					%{$g['varlog_path']}/portalauth.log

local7.*					%{$g['varlog_path']}/dhcpd.log

*.notice;kern.debug;lpr.info;mail.crit;		%{$g['varlog_path']}/system.log

news.err;local0.none;local3.none;local4.none;	%{$g['varlog_path']}/system.log

local7.none					%{$g['varlog_path']}/system.log

security.*					%{$g['varlog_path']}/system.log

auth.info;authpriv.info;daemon.info		%{$g['varlog_path']}/system.log

local1.*					%{$g['varlog_path']}/slbd.log

*.emerg						*

EOD;

		}

		if (isset($syslogcfg['filter'])) {

			$syslogconf .= <<<EOD

local0.*					@{$syslogcfg['remoteserver']}

EOD;

		}

		if (isset($syslogcfg['vpn'])) {

			$syslogconf .= <<<EOD

local3.*					@{$syslogcfg['remoteserver']}

EOD;

		}

		if (isset($syslogcfg['portalauth'])) {

			$syslogconf .= <<<EOD

local4.*					@{$syslogcfg['remoteserver']}

EOD;

		}

		if (isset($syslogcfg['dhcp'])) {

			$syslogconf .= <<<EOD

local7.*					@{$syslogcfg['remoteserver']}

EOD;

		}

		if (isset($syslogcfg['system'])) {

			$syslogconf .= <<<EOD

*.notice;kern.debug;lpr.info;mail.crit;		@{$syslogcfg['remoteserver']}

news.err;local0.none;local3.none;local7.none	@{$syslogcfg['remoteserver']}

security.*					@{$syslogcfg['remoteserver']}

auth.info;authpriv.info;daemon.info		@{$syslogcfg['remoteserver']}

*.emerg						@{$syslogcfg['remoteserver']}

EOD;

		}

		fwrite($fd, $syslogconf);

		fclose($fd);

		$retval = mwexec("/usr/sbin/syslogd -s -f {$g['varetc_path']}/syslog.conf");

	} else {

		$retval = mwexec("/usr/sbin/syslogd -ss");

	}

	if ($g['booting'])

		echo "done.\n";

	return $retval;

}

function system_pccard_start() {

	global $config, $g;

	if ($g['booting'])

		echo "Initializing PCMCIA... ";

	/* kill any running pccardd */

	killbypid("{$g['varrun_path']}/pccardd.pid");

	/* fire up pccardd */

	$res = mwexec("/usr/sbin/pccardd -z -f {$g['etc_path']}/pccard.conf");

	if ($g['booting']) {

		if ($res == 0)

			echo "done.\n";

		else

			echo "failed!\n";

	}

	return $res;

}

function system_webgui_start() {

	global $config, $g;

	if ($g['booting'])

		echo "Starting webGUI... ";

	/* kill any running mini_httpd */

	killbypid("{$g['varrun_path']}/mini_httpd.pid");

	/* generate password file */

	system_password_configure();

	chdir($g['www_path']);

	/* non-standard port? */

	if ($config['system']['webgui']['port'])

		$portarg = "-p {$config['system']['webgui']['port']}";

	else

		$portarg = "";

	if ($config['system']['webgui']['protocol'] == "https") {

		if ($config['system']['webgui']['certificate'] && $config['system']['webgui']['private-key']) {

			$cert = base64_decode($config['system']['webgui']['certificate']);

			$key = base64_decode($config['system']['webgui']['private-key']);

		} else {

			/* default certificate/key */

			$cert = <<<EOD

-----BEGIN CERTIFICATE-----

MIIC4zCCAkygAwIBAgIBADANBgkqhkiG9w0BAQQFADBbMQswCQYDVQQGEwJOQTEL

MAkGA1UECBMCTkExCzAJBgNVBAcTAk5BMQswCQYDVQQKEwJOQTELMAkGA1UECxMC

TkExCzAJBgNVBAMTAk5BMQswCQYDVQQGEwJVUzAeFw0wNTAzMDYwMDE1NDJaFw0x

NTAzMDQwMDE1NDJaMFsxCzAJBgNVBAYTAk5BMQswCQYDVQQIEwJOQTELMAkGA1UE

BxMCTkExCzAJBgNVBAoTAk5BMQswCQYDVQQLEwJOQTELMAkGA1UEAxMCTkExCzAJ

BgNVBAYTAlVTMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDF7luuy70OvHrl

xnW9ID6srsfxEFCF4d9LmlZ6XdW1rEUHQ6KTgz4iSD+pxEOxxlY+bCH6HTkAy5Sa

zt3eT7javvF+ILZgarwoY2x+NbDctd0VBJVkH0fEvBf1xqU7wpkOiWkw1RmfEvZI

6XnGi6VSjSmkm0UoQMKg9R7niRtE4QIDAQABo4G2MIGzMB0GA1UdDgQWBBTgvk9F

alPK6/OcZrkaE8BhBrRo2DCBgwYDVR0jBHwweoAU4L5PRWpTyuvznGa5GhPAYQa0

aNihX6RdMFsxCzAJBgNVBAYTAk5BMQswCQYDVQQIEwJOQTELMAkGA1UEBxMCTkEx

CzAJBgNVBAoTAk5BMQswCQYDVQQLEwJOQTELMAkGA1UEAxMCTkExCzAJBgNVBAYT

AlVTggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEEBQADgYEAv9+GXdYIWs2R

8B0zI4jAbHcaRsfohuzpNHD5re7ZK8H4fYbHIfmPY2UM3yOU7J2rLP8KGfKztay1

Z3RNW7SKJI/CagbdQOuYdMrlEyA4ZImM6NNzUbH6rNKtmDIDo1kHL3cXjzXEjBE+

ZZYTREFcdhtzUH5lYzJz1uVFeCSwozk=

-----END CERTIFICATE-----

EOD;

			$key = <<<EOD

-----BEGIN RSA PRIVATE KEY-----

MIICXAIBAAKBgQDF7luuy70OvHrlxnW9ID6srsfxEFCF4d9LmlZ6XdW1rEUHQ6KT

gz4iSD+pxEOxxlY+bCH6HTkAy5Sazt3eT7javvF+ILZgarwoY2x+NbDctd0VBJVk

H0fEvBf1xqU7wpkOiWkw1RmfEvZI6XnGi6VSjSmkm0UoQMKg9R7niRtE4QIDAQAB

AoGAF9dMJ9PWo+3EB+VNzUgTBI3Q+5JxgI7ibKLcg8TFtypW7jcRYB9Q3qRBNtuz

I7i2LrKrrQrUEOp0rej5BIwpwcjtEE2NsZwgYwDyywptoqt3WO86nPXYz2KhkQmP

YCDmPrff4vXCv6zgefb/AIgrOkgD3ViEoePhCAg+0l3fEIECQQD7C68Nb6KAWUND

Q9B0RxYrlgXikQ8yVHhlyM433APe/NCJ9kl5dLXpyjuvrWB+ml6TlLrcroLGejbd

tYXvIiyJAkEAydZVHqB4MpMtuY7VJoHNgl06YBoeTI+BJptPaOUNl4SlUKIYJMhX

oOXIGk9uDjfSNS7HvunZBjgz092GShWvmQJAQ8NhmwTZHj/58fwqFljh2R4DtKZn

LbSzUvYjA9z1holDWRoLtycTu2mFNuRbuZC9mqR40/ye/CgdCzdmUagt0QJBAKq1

00ySINd10Cive+yTwMPQIj2CGbpbbbq/hYyMntBWapQmZRFHOYZmkrZeFBGGeQ5u

QJdipiIyivNY2+nxKZECQCvumJPfZYxCeCAEC+G2xezrP6bC6FhzUOw6410UARTM

fuFjHpSfOiG62lfRdZgCPAr1L/1pJF+8RqjGlFfAuFA=

-----END RSA PRIVATE KEY-----

EOD;

		}

		$fd = fopen("{$g['varetc_path']}/cert.pem", "w");

		if (!$fd) {

			printf("Error: cannot open cert.pem in system_webgui_start().\n");

			return 1;

		}

		chmod("{$g['varetc_path']}/cert.pem", 0600);

		fwrite($fd, $cert);

		fwrite($fd, "\n");

		fwrite($fd, $key);

		fclose($fd);

		$res = mwexec("/usr/local/sbin/mini_httpd -S -E {$g['varetc_path']}/cert.pem" .

			" -c \"**.php|**.cgi\" -u root -maxproc 16 $portarg" .

			" -i {$g['varrun_path']}/mini_httpd.pid");

	} else {

		$res = mwexec("/usr/local/sbin/mini_httpd -c \"**.php|**.cgi\" -u root" .

			" -maxproc 16 $portarg -i {$g['varrun_path']}/mini_httpd.pid");

	}

	if ($g['booting']) {

		if ($res == 0)

			echo "done.\n";

		else

			echo "failed!\n";

	}

	return $res;

}

function system_password_configure() {

	global $config, $g;

	$fd = fopen("{$g['varrun_path']}/htpasswd", "w");

	if (!$fd) {

		printf("Error: cannot open htpasswd in system_password_configure().\n");

		return 1;

	}

	if ($config['system']['username'])

		$username = $config['system']['username'];

	else

		$username = "admin";

	fwrite($fd, $username . ":" . $config['system']['password'] . "\n");

	fclose($fd);

	chmod("{$g['varrun_path']}/htpasswd", 0600);

	return 0;

}

function system_timezone_configure() {

	global $config, $g;

	$syscfg = $config['system'];

	if ($g['booting'])

		echo "Setting timezone... ";

	/* extract appropriate timezone file */

	$timezone = $syscfg['timezone'];

	if (!$timezone)

		$timezone = "Etc/UTC";

	conf_mount_rw();

	exec("/usr/bin/tar xzfO /usr/share/zoneinfo.tgz " .

		escapeshellarg($timezone) . " > /etc/localtime");

	conf_mount_ro();

	if ($g['booting'])

		echo "done.\n";

}

function system_ntp_configure() {

	global $config, $g;

	$syscfg = $config['system'];

	if ($g['booting'])

		echo "Starting NTP client... ";

	else {

		killbypid("{$g['varrun_path']}/runmsntp.pid");

		killbypid("{$g['varrun_path']}/msntp.pid");

	}

	/* start ntp client if needed - needs to be forced into background */

	$updateinterval = $syscfg['time-update-interval'];

	if ($updateinterval > 0) {

		if ($updateinterval < 6)

			$updateinterval = 6;

		$timeservers = "";

		foreach (explode(' ', $syscfg['timeservers']) as $ts)

			$timeservers .= " " . $ts;

		mwexec_bg("/usr/local/bin/runmsntp.sh " .

			escapeshellarg("{$g['varrun_path']}/runmsntp.pid") . " " .

			escapeshellarg("{$g['varrun_path']}/msntp.pid") . " " .

			escapeshellarg($updateinterval) . " " .

			escapeshellarg($timeservers));

	}

	if ($g['booting'])

		echo "done.\n";

}

function system_halt() {

	global $g;

	system_reboot_cleanup();

	mwexec("nohup /etc/rc.halt > /dev/null 2>&1 &");

}

function system_reboot() {

	global $g;

	system_reboot_cleanup();

	mwexec("nohup /etc/rc.reboot > /dev/null 2>&1 &");

}

function system_reboot_sync() {

	global $g;

	system_reboot_cleanup();

	mwexec("/etc/rc.reboot > /dev/null 2>&1");

}

function system_reboot_cleanup() {

	captiveportal_radius_stop_all();

}

function system_do_shell_commands($early = 0) {

	global $config, $g;

	if ($early)

		$cmdn = "earlyshellcmd";

	else

		$cmdn = "shellcmd";

	if (is_array($config['system'][$cmdn])) {

		foreach ($config['system'][$cmdn] as $cmd) {

			exec($cmd);

		}

	}

}

function system_do_extensions($early = false) {

	global $config, $g;

	if (!is_dir("{$g['etc_path']}/inc/ext"))

		return;

	$dh = @opendir("{$g['etc_path']}/inc/ext");

	if ($dh) {

		while (($extd = readdir($dh)) !== false) {

			if (($extd === ".") || ($extd === ".."))

				continue;

			$rcfile = "{$g['etc_path']}/inc/ext/" . $extd . "/" . ($early ? "rc.early" : "rc");

			if (file_exists($rcfile))

				passthru($rcfile);

		}

		closedir($dh);

	}

}

function system_console_configure() {

	global $config, $g;

	if (isset($config['system']['disableconsolemenu'])) {

		touch("{$g['varetc_path']}/disableconsole");

	} else {

		unlink_if_exists("{$g['varetc_path']}/disableconsole");

	}

}

function system_dmesg_save() {

	global $g;

	exec("/sbin/dmesg", $dmesg);

	/* find last copyright line (output from previous boots may be present) */

	$lastcpline = 0;

	for ($i = 0; $i < count($dmesg); $i++) {

		if (strstr($dmesg[$i], "Copyright (c) 1992-"))

			$lastcpline = $i;

	}

	$fd = fopen("{$g['varlog_path']}/dmesg.boot", "w");

	if (!$fd) {

		printf("Error: cannot open dmesg.boot in system_dmesg_save().\n");

		return 1;

	}

	for ($i = $lastcpline; $i < count($dmesg); $i++)

		fwrite($fd, $dmesg[$i] . "\n");

	fclose($fd);

	return 0;

}

function system_set_harddisk_standby() {

	global $g, $config;

	if ($g['platform'] != "generic-pc")

		return;

	if (isset($config['system']['harddiskstandby'])) {

		if ($g['booting']) {

			echo 'Setting hard disk standby... ';

		}

		$standby = $config['system']['harddiskstandby'];

		// Check for a numeric value

		if (is_numeric($standby)) {

			// Sync the disk(s)

			mwexec('/bin/sync');

			if (!mwexec('/sbin/sysctl hw.ata.standby=' . ((int)$standby))) {

				// Reinitialize ATA-drives

				mwexec('/usr/local/sbin/atareinit');

				if ($g['booting']) {

					echo "done.\n";

				}

			} else if ($g['booting']) {

				echo "failed!\n";

			}

		} else if ($g['booting']) {

			echo "failed!\n";

		}

	}

}

function system_setup_sysctl() {

	global $config;

	$sysctl = return_filename_as_array("/etc/sysctl.conf");

	foreach($sysctl as $sysc) {

		if($sysc <> "")

			mwexec("sysctl {$sysc}");

	}

	if (isset($config['system']['sharednet'])) {

		system_disable_arp_wrong_if();

	}

}

function system_disable_arp_wrong_if() {

	mwexec("/sbin/sysctl -n net.link.ether.inet.log_arp_wrong_iface=0");

}

function system_enable_arp_wrong_if() {

	mwexec("/sbin/sysctl -n net.link.ether.inet.log_arp_wrong_iface=1");

}

?>