mirror of
https://github.com/billz/raspap-webgui.git
synced 2025-03-01 10:31:47 +00:00
231 lines
8.1 KiB
PHP
Executable File
231 lines
8.1 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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SaveDHCPConfig($status);
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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("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
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exec('cat ' . RASPI_DNSMASQ_LEASES, $leases);
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echo renderTemplate(
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"dhcp", compact(
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"status",
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"serviceStatus",
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"dnsmasq_state",
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"conf",
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"dhcpHost",
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"interfaces",
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"leases"
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)
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);
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}
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function SaveDHCPConfig($status)
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{
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$iface = $_POST['interface'];
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$return = 1;
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if (($_POST['dhcp-iface'] == "1")) {
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$errors = ValidateDHCPInput();
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if (empty($errors)) {
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$return = UpdateDnsmasqCfg($iface,$status);
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} else {
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$status->addMessage($errors, 'danger');
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}
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if ($return == 1) {
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$status->addMessage('Dnsmasq configuration failed to be updated.', 'danger');
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return false;
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}
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$return = UpdateDHCPCfg($iface,$status);
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// process disable dhcp option
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} elseif (($_POST['dhcp-iface'] == "0") && file_exists(RASPI_DNSMASQ_PREFIX.$iface.'.conf')) {
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// remove dhcp conf for selected interface
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$return = RemoveDHCPCfg($iface,$status);
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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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$status->addMessage('Dnsmasq configuration failed to be updated.', 'danger');
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return false;
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}
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return true;
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}
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function ValidateDHCPInput()
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{
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define('IFNAMSIZ', 16);
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$iface = $_POST['interface'];
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if (!preg_match('/^[a-zA-Z0-9]+$/', $iface)
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|| strlen($iface) >= 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 $errors;
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}
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function UpdateDnsmasqCfg($iface,$status)
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{
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$config = 'interface='.$iface.PHP_EOL.
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'dhcp-range='.$_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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$config .= PHP_EOL;
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}
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// enable these settings on the default interface
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if ($iface == "wlan0") {
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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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}
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file_put_contents("/tmp/dnsmasqdata", $config);
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$msg = file_exists(RASPI_DNSMASQ_PREFIX.$iface.'.conf') ? 'updated' : 'added';
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system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_PREFIX.$iface.'.conf', $result);
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if ($result == 0) {
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$status->addMessage('Dnsmasq configuration for '.$iface.' '.$msg.'.', 'success');
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}
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return $result;
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}
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function UpdateDHCPCfg($iface,$status)
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{
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$net_cfg = RASPI_CONFIG_NETWORKING.'/'.$iface.'.ini';
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if (!file_exists($net_cfg) || filesize($net_cfg) ==0 ) {
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$status->addMessage('Static IP address for '.$iface.' not found.', 'danger');
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$status->addMessage('Configure this interface in Networking > '.$iface.'.', 'danger');
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$return = 1;
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} else {
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$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
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if (!preg_match('/^interface\s'.$iface.'$/m', $dhcp_cfg)) {
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// set dhcp values from ini
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$iface_cfg = parse_ini_file($net_cfg, false, INI_SCANNER_RAW);
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$ip_address = $iface_cfg['ip_address'];
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$domain_name_server = ($iface_cfg['domain_name_server'] =='') ? '1.1.1.1 8.8.8.8' : $iface_cfg['domain_name_server'];
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// append interface config to dhcpcd.conf
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$cfg = $dhcp_conf;
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$cfg[] = '# RaspAP '.$iface.' configuration';
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$cfg[] = 'interface '.$iface;
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$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, $result);
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$status->addMessage('DHCP configuration for '.$iface.' added.', 'success');
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} else {
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$status->addMessage('DHCP for '.$iface.' already enabled.', 'success');
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}
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}
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return $result;
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}
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function RemoveDHCPCfg($iface,$status)
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{
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$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
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$dhcp_cfg = preg_replace('/^#\sRaspAP\s'.$iface.'.*\n(.*\n){3}/m', '', $dhcp_cfg);
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file_put_contents("/tmp/dhcpddata", rtrim($dhcp_cfg).PHP_EOL);
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system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $result);
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if ($result == 0) {
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$status->addMessage('DHCP configuration for '.$iface.' removed.', 'success');
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} else {
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$status->addMessage('Failed to remove DHCP configuration for '.$iface.'.', 'danger');
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return $result;
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}
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// remove dnsmasq eth0 conf
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system('sudo rm '.RASPI_DNSMASQ_PREFIX.$iface.'.conf', $result);
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if ($result == 0) {
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$status->addMessage('Dnsmasq configuration for '.$iface.' removed.', 'success');
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} else {
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$status->addMessage('Failed to remove dnsmasq configuration for '.$iface.'.', 'danger');
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}
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return $result;
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}
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