mirror of
https://github.com/billz/raspap-webgui.git
synced 2023-10-10 13:37:24 +02:00
253 lines
10 KiB
PHP
Executable File
253 lines
10 KiB
PHP
Executable File
<?php
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require_once 'includes/status_messages.php';
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require_once 'config.php';
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/**
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* Manage DHCP configuration
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*/
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function DisplayDHCPConfig()
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{
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$status = new StatusMessages();
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if (!RASPI_MONITOR_ENABLED) {
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if (isset($_POST['savedhcpdsettings'])) {
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$errors = '';
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define('IFNAMSIZ', 16);
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if (!preg_match('/^[a-zA-Z0-9]+$/', $_POST['interface'])
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|| strlen($_POST['interface']) >= IFNAMSIZ
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) {
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$errors .= _('Invalid interface name.').'<br />'.PHP_EOL;
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}
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if (!preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $_POST['RangeStart'])
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&& !empty($_POST['RangeStart'])
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) { // allow ''/null ?
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$errors .= _('Invalid DHCP range start.').'<br />'.PHP_EOL;
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}
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if (!preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $_POST['RangeEnd'])
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&& !empty($_POST['RangeEnd'])
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) { // allow ''/null ?
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$errors .= _('Invalid DHCP range end.').'<br />'.PHP_EOL;
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}
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if (!ctype_digit($_POST['RangeLeaseTime']) && $_POST['RangeLeaseTimeUnits'] !== 'infinite') {
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$errors .= _('Invalid DHCP lease time, not a number.').'<br />'.PHP_EOL;
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}
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if (!in_array($_POST['RangeLeaseTimeUnits'], array('m', 'h', 'd', 'infinite'))) {
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$errors .= _('Unknown DHCP lease time unit.').'<br />'.PHP_EOL;
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}
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$return = 1;
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if (empty($errors)) {
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$config = 'interface='.$_POST['interface'].PHP_EOL.
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'dhcp-range='.$_POST['RangeStart'].','.$_POST['RangeEnd'].
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',255.255.255.0,';
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if ($_POST['RangeLeaseTimeUnits'] !== 'infinite') {
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$config .= $_POST['RangeLeaseTime'];
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}
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$config .= $_POST['RangeLeaseTimeUnits'].PHP_EOL;
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for ($i=0; $i < count($_POST["static_leases"]["mac"]); $i++) {
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$mac = trim($_POST["static_leases"]["mac"][$i]);
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$ip = trim($_POST["static_leases"]["ip"][$i]);
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if ($mac != "" && $ip != "") {
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$config .= "dhcp-host=$mac,$ip".PHP_EOL;
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}
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}
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if ($_POST['no-resolv'] == "1") {
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$config .= "no-resolv".PHP_EOL;
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}
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foreach ($_POST['server'] as $server) {
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$config .= "server=$server".PHP_EOL;
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}
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if ($_POST['log-dhcp'] == "1") {
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$config .= "log-dhcp".PHP_EOL;
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}
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if ($_POST['log-queries'] == "1") {
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$config .= "log-queries".PHP_EOL;
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}
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if ($_POST['DNS1']) {
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$config .= "dhcp-option=6," . $_POST['DNS1'];
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if ($_POST['DNS2']) {
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$config .= ','.$_POST['DNS2'];
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}
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$config .= PHP_EOL;
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}
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$config .= "log-facility=/tmp/dnsmasq.log".PHP_EOL;
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$config .= "conf-dir=/etc/dnsmasq.d".PHP_EOL;
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file_put_contents("/tmp/dnsmasqdata", $config);
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// handle DHCP for eth0 option
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if ($_POST['dhcp-eth0'] == "1" && $_POST['interface'] == "eth0") {
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if (!file_exists(RASPI_CONFIG_NETWORKING.'/eth0.ini') || filesize(RASPI_CONFIG_NETWORKING.'/eth0.ini') ==0 ) {
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$status->addMessage('Static IP address for eth0 not found.', 'danger');
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$status->addMessage('Configure this interface in Networking > eth0.', 'danger');
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$return = 1;
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} else {
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$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
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if (!preg_match('/^interface\seth0$/m', $dhcp_cfg)) {
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// set dhcp values from ini
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$eth0_cfg = parse_ini_file(RASPI_CONFIG_NETWORKING.'/eth0.ini', false, INI_SCANNER_RAW);
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$ip_address = $eth0_cfg['ip_address'];
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$domain_name_server = ($eth0_cfg['domain_name_server'] =='') ? '1.1.1.1 8.8.8.8' : $eth0_cfg['domain_name_server'];
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// append eth0 config to dhcpcd.conf
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$cfg = $dhcp_conf;
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$cfg[] = '# RaspAP '.$_POST['interface'].' configuration';
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$cfg[] = 'interface '.$_POST['interface'];
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$cfg[] = 'static ip_address='.$ip_address;
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$cfg[] = 'static domain_name_server='.$domain_name_server;
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$cfg[] = PHP_EOL;
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$cfg = join(PHP_EOL, $cfg);
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$dhcp_cfg .= $cfg;
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file_put_contents("/tmp/dhcpddata", $dhcp_cfg);
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system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $return);
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$status->addMessage('DHCP configuration for eth0 added.', 'success');
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system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_ETH0, $return);
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$status->addMessage('Dnsmasq configuration for eth0 added.', 'success');
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} else {
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$status->addMessage('DHCP for '.$_POST['interface'].' already enabled.', 'danger');
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}
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}
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} elseif (!isset($_POST['dhcp-eth0']) && file_exists(RASPI_DNSMASQ_ETH0)) {
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// remove dhcpcd eth0 conf
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$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
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$dhcp_cfg = preg_replace('/^#\sRaspAP\seth0.*(\n.*){3,}/m', '', $dhcp_cfg);
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file_put_contents("/tmp/dhcpddata", $dhcp_cfg);
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system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $return);
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$status->addMessage('DHCP configuration for eth0 removed.', 'success');
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// remove dnsmasq eth0 conf
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system('sudo rm '.RASPI_DNSMASQ_ETH0, $return);
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$status->addMessage('Dnsmasq configuration for eth0 removed.', 'success');
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} else {
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system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_CONFIG, $return);
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}
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} else {
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$status->addMessage($errors, 'danger');
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}
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if ($return == 0) {
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$status->addMessage('Dnsmasq configuration updated successfully.', 'success');
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} else {
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$status->addMessage('Dnsmasq configuration failed to be updated.', 'danger');
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}
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}
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}
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exec('pidof dnsmasq | wc -l', $dnsmasq);
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$dnsmasq_state = ($dnsmasq[0] > 0);
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if (!RASPI_MONITOR_ENABLED) {
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if (isset($_POST['startdhcpd'])) {
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if ($dnsmasq_state) {
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$status->addMessage('dnsmasq already running', 'info');
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} else {
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exec('sudo /bin/systemctl start dnsmasq.service', $dnsmasq, $return);
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if ($return == 0) {
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$status->addMessage('Successfully started dnsmasq', 'success');
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$dnsmasq_state = true;
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} else {
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$status->addMessage('Failed to start dnsmasq', 'danger');
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}
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}
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} elseif (isset($_POST['stopdhcpd'])) {
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if ($dnsmasq_state) {
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exec('sudo /bin/systemctl stop dnsmasq.service', $dnsmasq, $return);
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if ($return == 0) {
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$status->addMessage('Successfully stopped dnsmasq', 'success');
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$dnsmasq_state = false;
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} else {
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$status->addMessage('Failed to stop dnsmasq', 'danger');
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}
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} else {
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$status->addMessage('dnsmasq already stopped', 'info');
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}
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}
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}
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$serviceStatus = $dnsmasq_state ? "up" : "down";
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exec('cat '. RASPI_DNSMASQ_CONFIG, $return);
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$conf = ParseConfig($return);
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$arrRange = explode(",", $conf['dhcp-range']);
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$RangeStart = $arrRange[0];
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$RangeEnd = $arrRange[1];
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$RangeMask = $arrRange[2];
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$leaseTime = $arrRange[3];
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$dhcpHost = $conf["dhcp-host"];
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$dhcpHost = empty($dhcpHost) ? [] : $dhcpHost;
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$dhcpHost = is_array($dhcpHost) ? $dhcpHost : [ $dhcpHost ];
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$upstreamServers = is_array($conf['server']) ? $conf['server'] : [ $conf['server'] ];
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$upstreamServers = array_filter($upstreamServers);
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$DNS1 = '';
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$DNS2 = '';
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if (isset($conf['dhcp-option'])) {
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$arrDns = explode(",", $conf['dhcp-option']);
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if ($arrDns[0] == '6') {
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if (count($arrDns) > 1) {
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$DNS1 = $arrDns[1];
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}
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if (count($arrDns) > 2) {
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$DNS2 = $arrDns[2];
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}
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}
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}
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$hselected = '';
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$mselected = '';
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$dselected = '';
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$infiniteselected = '';
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preg_match('/([0-9]*)([a-z])/i', $leaseTime, $arrRangeLeaseTime);
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if ($leaseTime === 'infinite') {
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$infiniteselected = ' selected="selected"';
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} else {
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switch ($arrRangeLeaseTime[2]) {
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case 'h':
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$hselected = ' selected="selected"';
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break;
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case 'm':
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$mselected = ' selected="selected"';
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break;
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case 'd':
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$dselected = ' selected="selected"';
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break;
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}
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}
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if (file_exists(RASPI_DNSMASQ_ETH0)) {
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$dhcp_eth0 = 1;
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}
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exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
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exec('cat ' . RASPI_DNSMASQ_LEASES, $leases);
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echo renderTemplate(
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"dhcp", compact(
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"status",
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"serviceStatus",
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"RangeStart",
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"RangeEnd",
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"DNS1",
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"DNS2",
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"upstreamServers",
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"arrRangeLeaseTime",
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"mselected",
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"hselected",
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"dselected",
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"infiniteselected",
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"dnsmasq_state",
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"conf",
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"dhcpHost",
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"interfaces",
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"leases",
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"dhcp_eth0"
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)
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);
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}
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