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<?php
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/* $Id$ */
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/*
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services.inc
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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/* include all configuration functions */
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require_once("functions.inc");
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require_once("dyndns.class");
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function services_dhcpd_configure() {
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global $config, $g;
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/* kill any running dhcpd */
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killbypid("{$g['varrun_path']}/dhcpd.pid");
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$syscfg = $config['system'];
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$dhcpdcfg = $config['dhcpd'];
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/* DHCP enabled on any interfaces? */
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$dhcpdenable = false;
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foreach ($dhcpdcfg as $dhcpif => $dhcpifconf) {
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if (isset($dhcpifconf['enable']) &&
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(($dhcpif == "lan") ||
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(isset($config['interfaces'][$dhcpif]['enable']) &&
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$config['interfaces'][$dhcpif]['if'] && (!$config['interfaces'][$dhcpif]['bridge']))))
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$dhcpdenable = true;
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}
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if (!$dhcpdenable)
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return 0;
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if ($g['booting'])
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echo "Starting DHCP service... ";
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else
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sleep(1);
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/* write dhcpd.conf */
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$fd = fopen("{$g['varetc_path']}/dhcpd.conf", "w");
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if (!$fd) {
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printf("Error: cannot open dhcpd.conf in services_dhcpd_configure().\n");
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return 1;
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}
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$dhcpdconf = <<<EOD
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option domain-name "{$syscfg['domain']}";
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default-lease-time 7200;
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max-lease-time 86400;
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authoritative;
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log-facility local7;
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ddns-update-style none;
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EOD;
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$dhcpdifs = array();
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foreach ($dhcpdcfg as $dhcpif => $dhcpifconf) {
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$ifcfg = $config['interfaces'][$dhcpif];
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if (!isset($dhcpifconf['enable']) ||
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(($dhcpif != "lan") &&
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(!isset($ifcfg['enable']) || !$ifcfg['if'] || $ifcfg['bridge'])))
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continue;
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$subnet = gen_subnet($ifcfg['ipaddr'], $ifcfg['subnet']);
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$subnetmask = gen_subnet_mask($ifcfg['subnet']);
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$dnscfg = "";
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if ($dhcpifconf['domain']) {
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$dnscfg .= " option domain-name \"{$dhcpifconf['domain']}\";\n";
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}
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if (is_array($dhcpifconf['dnsserver']) && ($dhcpifconf['dnsserver'][0])) {
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$dnscfg .= " option domain-name-servers " . join(",", $dhcpifconf['dnsserver']) . ";";
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} else if (isset($config['dnsmasq']['enable'])) {
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$dnscfg .= " option domain-name-servers " . $ifcfg['ipaddr'] . ";";
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} else if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) {
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$dnscfg .= " option domain-name-servers " . join(",", $syscfg['dnsserver']) . ";";
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}
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$dhcpdconf .= "subnet $subnet netmask $subnetmask {\n";
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$dhcpdconf .= " pool {\n";
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if (isset($dhcpifconf['denyunknown']))
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$dhcpdconf .= " deny unknown clients;\n";
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if ($dhcpifconf['gateway'])
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$routers = $dhcpifconf['gateway'];
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else
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$routers = $ifcfg['ipaddr'];
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$dhcpdconf .= <<<EOD
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range {$dhcpifconf['range']['from']} {$dhcpifconf['range']['to']};
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}
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option routers {$routers};
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$dnscfg
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EOD;
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if ($dhcpifconf['defaultleasetime'])
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$dhcpdconf .= " default-lease-time {$dhcpifconf['defaultleasetime']};\n";
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if ($dhcpifconf['maxleasetime'])
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$dhcpdconf .= " max-lease-time {$dhcpifconf['maxleasetime']};\n";
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if (is_array($dhcpifconf['winsserver']) && $dhcpifconf['winsserver'][0]) {
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$dhcpdconf .= " option netbios-name-servers " . join(",", $dhcpifconf['winsserver']) . ";\n";
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$dhcpdconf .= " option netbios-node-type 8;\n";
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}
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if ($dhcpifconf['next-server'])
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$dhcpdconf .= " next-server {$dhcpifconf['next-server']};\n";
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if ($dhcpifconf['filename'])
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$dhcpdconf .= " filename \"{$dhcpifconf['filename']}\";\n";
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$dhcpdconf .= <<<EOD
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}
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EOD;
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/* add static mappings */
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if (is_array($dhcpifconf['staticmap'])) {
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$i = 0;
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foreach ($dhcpifconf['staticmap'] as $sm) {
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$dhcpdconf .= <<<EOD
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host s_{$dhcpif}_{$i} {
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hardware ethernet {$sm['mac']};
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EOD;
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if ($sm['ipaddr'])
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$dhcpdconf .= " fixed-address {$sm['ipaddr']};\n";
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$dhcpdconf .= "}\n";
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$i++;
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}
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}
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$dhcpdifs[] = $ifcfg['if'];
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}
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fwrite($fd, $dhcpdconf);
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fclose($fd);
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/* create an empty leases database */
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touch("{$g['vardb_path']}/dhcpd.leases");
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/* fire up dhcpd */
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mwexec("/usr/local/sbin/dhcpd -cf {$g['varetc_path']}/dhcpd.conf " .
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join(" ", $dhcpdifs));
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if ($g['booting']) {
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print "done.\n";
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}
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return 0;
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}
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function interfaces_staticarp_configure($if) {
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global $config, $g;
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$ifcfg = $config['interfaces'][$if];
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/* Enable staticarp, if enabled */
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if(isset($config['dhcpd'][$if]['staticarp'])) {
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mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
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mwexec("/usr/sbin/arp -ad > /dev/null 2>&1 ");
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if (is_array($config['dhcpd'][$if]['staticmap'])) {
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foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
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mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
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}
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}
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} else {
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mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
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mwexec("/usr/sbin/arp -ad > /dev/null 2>&1 ");
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}
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return 0;
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}
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function services_dhcrelay_configure() {
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global $config, $g;
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/* kill any running dhcrelay */
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killbypid("{$g['varrun_path']}/dhcrelay.pid");
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$dhcrelaycfg = $config['dhcrelay'];
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/* DHCPRelay enabled on any interfaces? */
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$dhcrelayenable = false;
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foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {
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if (isset($dhcrelayifconf['enable']) &&
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(($dhcrelayif == "lan") ||
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(isset($config['interfaces'][$dhcrelayif]['enable']) &&
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$config['interfaces'][$dhcrelayif]['if'] && (!$config['interfaces'][$dhcrelayif]['bridge']))))
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$dhcrelayenable = true;
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}
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if (!$dhcrelayenable)
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return 0;
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if ($g['booting'])
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echo "Starting DHCP relay service... ";
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else
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sleep(1);
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$dhcrelayifs = array();
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foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {
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$ifcfg = $config['interfaces'][$dhcrelayif];
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if (!isset($dhcrelayifconf['enable']) ||
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(($dhcrelayif != "lan") &&
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(!isset($ifcfg['enable']) || !$ifcfg['if'] || $ifcfg['bridge'])))
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continue;
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$dhcrelayifs[] = $ifcfg['if'];
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}
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/* In order for the relay to work, it needs to be active on the
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interface in which the destination server sits */
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foreach ($config['interfaces'] as $ifname) {
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$subnet = $ifname['ipaddr'] . "/" . $ifname['subnet'];
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if (ip_in_subnet($dhcrelaycfg['server'],$subnet))
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$destif = $ifname['if'];
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}
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if (!isset($destif))
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$destif = $config['interfaces']['wan']['if'];
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$dhcrelayifs[] = $destif;
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$dhcrelayifs = array_unique($dhcrelayifs);
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/* fire up dhcrelay */
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$cmd = "/usr/local/sbin/dhcrelay -i " . join(" -i ", $dhcrelayifs);
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if (isset($dhcrelaycfg['agentoption']))
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$cmd .= " -a -m replace";
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$cmd .= " {$dhcrelaycfg['server']}";
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mwexec($cmd);
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if (!$g['booting']) {
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/* set the reload filter dity flag */
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touch("{$g['tmp_path']}/filter_dirty");
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}
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return 0;
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}
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function services_dyndns_reset() {
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global $config, $g;
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if (file_exists("{$g['vardb_path']}/ez-ipupdate.cache")) {
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unlink("{$g['vardb_path']}/ez-ipupdate.cache");
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}
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if (file_exists("{$g['conf_path']}/ez-ipupdate.cache")) {
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conf_mount_rw();
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unlink("{$g['conf_path']}/ez-ipupdate.cache");
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conf_mount_ro();
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}
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return 0;
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}
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function services_dyndns_configure() {
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global $config, $g;
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$dyndnscfg = $config['dyndns'];
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$wancfg = $config['interfaces']['wan'];
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if (isset($dyndnscfg['enable'])) {
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if ($g['booting'])
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echo "Starting DynDNS client... ";
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else
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sleep(1);
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$dns = new updatedns($dnsService = $config['dyndns']['type'],
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$dnsHost = $config['dyndns']['host'],
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$dnsUser = $config['dyndns']['username'],
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$dnsPass = $config['dyndns']['password'],
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$dnsWilcard = $config['dyndns']['wildcard'],
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$dnsMX = $config['dyndns']['mx']);
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if ($g['booting'])
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echo "done.\n";
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}
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return 0;
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}
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function services_dnsmasq_configure() {
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global $config, $g;
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323
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/* kill any running dnsmasq */
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sigkillbypid("{$g['varrun_path']}/dnsmasq.pid", "TERM");
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if (isset($config['dnsmasq']['enable'])) {
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328
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if ($g['booting'])
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echo "Starting DNS forwarder... ";
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else
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sleep(1);
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333
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/* generate hosts file */
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system_hosts_generate();
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$args = "";
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if (isset($config['dnsmasq']['regdhcp'])) {
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340
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$args .= " -l {$g['vardb_path']}/dhcpd.leases" .
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" -s {$config['system']['domain']}";
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}
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if (isset($config['dnsmasq']['domainoverrides']) && is_array($config['dnsmasq']['domainoverrides'])) {
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foreach($config['dnsmasq']['domainoverrides'] as $override) {
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$args .= ' --server=/' . $override['domain'] . '/' . $override['ip'];
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}
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}
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350
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/* run dnsmasq */
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mwexec("/usr/local/sbin/dnsmasq {$args}");
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if ($g['booting'])
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echo "done.\n";
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}
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if (!$g['booting']) {
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services_dhcpd_configure();
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}
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361
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return 0;
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}
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364
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365
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function services_snmpd_configure() {
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global $config, $g;
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367
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/* kill any running snmpd */
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369
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sigkillbypid("{$g['varrun_path']}/snmpd.pid", "TERM");
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370
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371
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if (isset($config['snmpd']['enable'])) {
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373
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if ($g['booting'])
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echo "Starting SNMP daemon... ";
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375
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/* generate snmpd.conf */
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377
|
$fd = fopen("{$g['varetc_path']}/snmpd.conf", "w");
|
|
378
|
if (!$fd) {
|
|
379
|
printf("Error: cannot open snmpd.conf in services_snmpd_configure().\n");
|
|
380
|
return 1;
|
|
381
|
}
|
|
382
|
|
|
383
|
|
|
384
|
$snmpdconf = <<<EOD
|
|
385
|
location := "{$config['snmpd']['syslocation']}"
|
|
386
|
contact := "{$config['snmpd']['syscontact']}"
|
|
387
|
read := "{$config['snmpd']['rocommunity']}"
|
|
388
|
|
|
389
|
EOD;
|
|
390
|
|
|
391
|
/* No docs on what write strings do there for disable for now.
|
|
392
|
if(isset($config['snmpd']['rwenable']) && preg_match('/^\S+$/', $config['snmpd']['rwcommunity'])){
|
|
393
|
$snmpdconf .= <<<EOD
|
|
394
|
# write string
|
|
395
|
write := "{$config['snmpd']['rwcommunity']}"
|
|
396
|
|
|
397
|
EOD;
|
|
398
|
}
|
|
399
|
*/
|
|
400
|
|
|
401
|
|
|
402
|
if(isset($config['snmpd']['trapenable']) && preg_match('/^\S+$/', $config['snmpd']['trapserver'])){
|
|
403
|
$snmpdconf .= <<<EOD
|
|
404
|
# SNMP Trap support.
|
|
405
|
traphost := {$config['snmpd']['trapserver']}
|
|
406
|
trapport := {$config['snmpd']['trapserverport']}
|
|
407
|
trap := "{$config['snmpd']['trapstring']}"
|
|
408
|
|
|
409
|
|
|
410
|
EOD;
|
|
411
|
}
|
|
412
|
|
|
413
|
|
|
414
|
$snmpdconf .= <<<EOD
|
|
415
|
system := 1 # pfSense
|
|
416
|
%snmpd
|
|
417
|
begemotSnmpdDebugDumpPdus = 2
|
|
418
|
begemotSnmpdDebugSyslogPri = 7
|
|
419
|
begemotSnmpdCommunityString.0.1 = $(read)
|
|
420
|
|
|
421
|
EOD;
|
|
422
|
|
|
423
|
/* No docs on what write strings do there for disable for now.
|
|
424
|
if(isset($config['snmpd']['rwcommunity']) && preg_match('/^\S+$/', $config['snmpd']['rwcommunity'])){
|
|
425
|
$snmpdconf .= <<<EOD
|
|
426
|
begemotSnmpdCommunityString.0.2 = $(write)
|
|
427
|
|
|
428
|
EOD;
|
|
429
|
}
|
|
430
|
*/
|
|
431
|
|
|
432
|
|
|
433
|
if(isset($config['snmpd']['trapenable']) && preg_match('/^\S+$/', $config['snmpd']['trapserver'])){
|
|
434
|
$snmpdconf .= <<<EOD
|
|
435
|
begemotTrapSinkStatus.[$(traphost)].$(trapport) = 4
|
|
436
|
begemotTrapSinkVersion.[$(traphost)].$(trapport) = 2
|
|
437
|
begemotTrapSinkComm.[$(traphost)].$(trapport) = $(trap)
|
|
438
|
|
|
439
|
EOD;
|
|
440
|
}
|
|
441
|
|
|
442
|
|
|
443
|
$snmpdconf .= <<<EOD
|
|
444
|
begemotSnmpdCommunityDisable = 1
|
|
445
|
|
|
446
|
EOD;
|
|
447
|
|
|
448
|
if(is_port( $config['snmpd']['pollport'] )) {
|
|
449
|
$snmpdconf .= <<<EOD
|
|
450
|
begemotSnmpdPortStatus.0.0.0.0.{$config['snmpd']['pollport']} = 1
|
|
451
|
|
|
452
|
EOD;
|
|
453
|
|
|
454
|
}
|
|
455
|
|
|
456
|
$snmpdconf .= <<<EOD
|
|
457
|
begemotSnmpdLocalPortStatus."/var/run/snmpd.sock" = 1
|
|
458
|
begemotSnmpdLocalPortType."/var/run/snmpd.sock" = 4
|
|
459
|
|
|
460
|
# These are bsnmp macros not php vars.
|
|
461
|
sysContact = $(contact)
|
|
462
|
sysLocation = $(location)
|
|
463
|
sysObjectId = 1.3.6.1.4.1.12325.1.1.2.1.$(system)
|
|
464
|
|
|
465
|
snmpEnableAuthenTraps = 2
|
|
466
|
|
|
467
|
EOD;
|
|
468
|
|
|
469
|
if (is_array( $config['snmpd']['modules'] )) {
|
|
470
|
if(isset($config['snmpd']['modules']['mibii'])) {
|
|
471
|
$snmpdconf .= <<<EOD
|
|
472
|
begemotSnmpdModulePath."mibII" = "/usr/lib/snmp_mibII.so"
|
|
473
|
|
|
474
|
EOD;
|
|
475
|
}
|
|
476
|
|
|
477
|
if(isset($config['snmpd']['modules']['netgraph'])) {
|
|
478
|
$snmpdconf .= <<<EOD
|
|
479
|
begemotSnmpdModulePath."netgraph" = "/usr/lib/snmp_netgraph.so"
|
|
480
|
%netgraph
|
|
481
|
begemotNgControlNodeName = "snmpd"
|
|
482
|
|
|
483
|
EOD;
|
|
484
|
}
|
|
485
|
|
|
486
|
if(isset($config['snmpd']['modules']['pf'])) {
|
|
487
|
$snmpdconf .= <<<EOD
|
|
488
|
begemotSnmpdModulePath."pf" = "/usr/lib/snmp_pf.so"
|
|
489
|
# config must end with blank line
|
|
490
|
|
|
491
|
|
|
492
|
EOD;
|
|
493
|
}
|
|
494
|
}
|
|
495
|
|
|
496
|
fwrite($fd, $snmpdconf);
|
|
497
|
fclose($fd);
|
|
498
|
|
|
499
|
/* run bsnmpd */
|
|
500
|
mwexec("/usr/sbin/bsnmpd -c {$g['varetc_path']}/snmpd.conf" .
|
|
501
|
" -p {$g['varrun_path']}/snmpd.pid");
|
|
502
|
// mwexec("/usr/local/sbin/snmpd -c {$g['varetc_path']}/snmpd.conf" .
|
|
503
|
// " -P {$g['varrun_path']}/snmpd.pid");
|
|
504
|
|
|
505
|
if ($g['booting'])
|
|
506
|
echo "done.\n";
|
|
507
|
}
|
|
508
|
|
|
509
|
return 0;
|
|
510
|
}
|
|
511
|
|
|
512
|
function services_proxyarp_configure() {
|
|
513
|
global $config, $g;
|
|
514
|
|
|
515
|
/* kill any running choparp */
|
|
516
|
killbyname("choparp");
|
|
517
|
|
|
518
|
if (isset($config['virtualip']) && is_array($config['virtualip']['vip'])) {
|
|
519
|
$paa = array();
|
|
520
|
|
|
521
|
/* group by interface */
|
|
522
|
foreach ($config['virtualip']['vip'] as $vipent) {
|
|
523
|
if ($vipent['mode'] === "proxyarp") {
|
|
524
|
if ($vipent['interface'])
|
|
525
|
$if = $vipent['interface'];
|
|
526
|
else
|
|
527
|
$if = "wan";
|
|
528
|
|
|
529
|
if (!is_array($paa[$if]))
|
|
530
|
$paa[$if] = array();
|
|
531
|
|
|
532
|
$paa[$if][] = $vipent;
|
|
533
|
}
|
|
534
|
}
|
|
535
|
|
|
536
|
if (count($paa))
|
|
537
|
foreach ($paa as $paif => $paents) {
|
|
538
|
if ($paif == "wan" && !(is_ipaddr($config['interfaces']['wan']['ipaddr']) ||
|
|
539
|
($config['interfaces']['wan']['ipaddr'] == "dhcp") ||
|
|
540
|
($config['interfaces']['wan']['ipaddr'] == "bigpond")))
|
|
541
|
continue;
|
|
542
|
|
|
543
|
$args = $config['interfaces'][$paif]['if'] . " auto";
|
|
544
|
|
|
545
|
foreach ($paents as $paent) {
|
|
546
|
|
|
547
|
if (isset($paent['subnet']))
|
|
548
|
$args .= " " . escapeshellarg("{$paent['subnet']}/{$paent['subnet_bits']}");
|
|
549
|
else if (isset($paent['range']))
|
|
550
|
$args .= " " . escapeshellarg($paent['range']['from'] . "-" .
|
|
551
|
$paent['range']['to']);
|
|
552
|
}
|
|
553
|
|
|
554
|
mwexec_bg("/usr/local/sbin/choparp " . $args);
|
|
555
|
}
|
|
556
|
}
|
|
557
|
}
|
|
558
|
|
|
559
|
function services_dnsupdate_process() {
|
|
560
|
global $config, $g;
|
|
561
|
|
|
562
|
/* Dynamic DNS updating active? */
|
|
563
|
if (isset($config['dnsupdate']['enable'])) {
|
|
564
|
|
|
565
|
$wanip = get_current_wan_address();
|
|
566
|
if ($wanip) {
|
|
567
|
|
|
568
|
$keyname = $config['dnsupdate']['keyname'];
|
|
569
|
/* trailing dot */
|
|
570
|
if (substr($keyname, -1) != ".")
|
|
571
|
$keyname .= ".";
|
|
572
|
|
|
573
|
$hostname = $config['dnsupdate']['host'];
|
|
574
|
/* trailing dot */
|
|
575
|
if (substr($hostname, -1) != ".")
|
|
576
|
$hostname .= ".";
|
|
577
|
|
|
578
|
/* write private key file
|
|
579
|
this is dumb - public and private keys are the same for HMAC-MD5,
|
|
580
|
but nsupdate insists on having both */
|
|
581
|
$fd = fopen("{$g['varetc_path']}/K{$keyname}+157+00000.private", "w");
|
|
582
|
$privkey .= <<<EOD
|
|
583
|
Private-key-format: v1.2
|
|
584
|
Algorithm: 157 (HMAC)
|
|
585
|
Key: {$config['dnsupdate']['keydata']}
|
|
586
|
|
|
587
|
EOD;
|
|
588
|
fwrite($fd, $privkey);
|
|
589
|
fclose($fd);
|
|
590
|
|
|
591
|
/* write public key file */
|
|
592
|
if ($config['dnsupdate']['keytype'] == "zone") {
|
|
593
|
$flags = 257;
|
|
594
|
$proto = 3;
|
|
595
|
} else if ($config['dnsupdate']['keytype'] == "host") {
|
|
596
|
$flags = 513;
|
|
597
|
$proto = 3;
|
|
598
|
} else if ($config['dnsupdate']['keytype'] == "user") {
|
|
599
|
$flags = 0;
|
|
600
|
$proto = 2;
|
|
601
|
}
|
|
602
|
|
|
603
|
$fd = fopen("{$g['varetc_path']}/K{$keyname}+157+00000.key", "w");
|
|
604
|
fwrite($fd, "{$keyname} IN KEY {$flags} {$proto} 157 {$config['dnsupdate']['keydata']}\n");
|
|
605
|
fclose($fd);
|
|
606
|
|
|
607
|
/* generate update instructions */
|
|
608
|
$upinst = "update delete {$config['dnsupdate']['host']} A\n";
|
|
609
|
$upinst .= "update add {$config['dnsupdate']['host']} {$config['dnsupdate']['ttl']} A {$wanip}\n";
|
|
610
|
$upinst .= "\n"; /* mind that trailing newline! */
|
|
611
|
|
|
612
|
$fd = fopen("{$g['varetc_path']}/nsupdatecmds", "w");
|
|
613
|
fwrite($fd, $upinst);
|
|
614
|
fclose($fd);
|
|
615
|
|
|
616
|
/* invoke nsupdate */
|
|
617
|
$cmd = "/usr/sbin/nsupdate -k {$g['varetc_path']}:{$keyname}";
|
|
618
|
if (isset($config['dnsupdate']['usetcp']))
|
|
619
|
$cmd .= " -v";
|
|
620
|
$cmd .= " {$g['varetc_path']}/nsupdatecmds";
|
|
621
|
|
|
622
|
mwexec_bg($cmd);
|
|
623
|
}
|
|
624
|
}
|
|
625
|
|
|
626
|
return 0;
|
|
627
|
}
|
|
628
|
|
|
629
|
?>
|