mirror of
https://github.com/billz/raspap-webgui.git
synced 2023-10-10 13:37:24 +02:00
292 lines
12 KiB
PHP
292 lines
12 KiB
PHP
<?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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* Displays wireguard server & peer configuration
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*/
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function DisplayWireGuardConfig()
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{
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$status = new StatusMessages();
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if (!RASPI_MONITOR_ENABLED) {
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$optRules = $_POST['wgRules'];
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if (isset($_POST['savewgsettings']) && !is_uploaded_file($_FILES["wgFile"]["tmp_name"])) {
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SaveWireGuardConfig($status);
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} elseif (isset($_POST['savewgsettings']) && is_uploaded_file($_FILES["wgFile"]["tmp_name"])) {
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SaveWireGuardUpload($status, $_FILES['wgFile'], $optRules);
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} elseif (isset($_POST['startwg'])) {
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$status->addMessage('Attempting to start WireGuard', 'info');
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exec('sudo /bin/systemctl start wg-quick@wg0', $return);
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foreach ($return as $line) {
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$status->addMessage($line, 'info');
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}
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} elseif (isset($_POST['stopwg'])) {
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$status->addMessage('Attempting to stop WireGuard', 'info');
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exec('sudo /bin/systemctl stop wg-quick@wg0', $return);
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foreach ($return as $line) {
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$status->addMessage($line, 'info');
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}
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}
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}
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// fetch wg config
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exec('sudo cat '. RASPI_WIREGUARD_CONFIG, $return);
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$conf = ParseConfig($return);
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$wg_srvpubkey = exec('sudo cat '. RASPI_WIREGUARD_PATH .'wg-server-public.key', $return);
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$wg_srvport = ($conf['ListenPort'] == '') ? getDefaultNetValue('wireguard','server','ListenPort') : $conf['ListenPort'];
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$wg_srvipaddress = ($conf['Address'] == '') ? getDefaultNetValue('wireguard','server','Address') : $conf['Address'];
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$wg_srvdns = ($conf['DNS'] == '') ? getDefaultNetValue('wireguard','server','DNS') : $conf['DNS'];
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$wg_peerpubkey = exec('sudo cat '. RASPI_WIREGUARD_PATH .'wg-peer-public.key', $return);
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if (sizeof($conf) >0) {
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$wg_senabled = true;
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}
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// todo: iterate multiple peer configs
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exec('sudo cat '. RASPI_WIREGUARD_PATH.'client.conf', $preturn);
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$conf = ParseConfig($preturn);
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$wg_pipaddress = ($conf['Address'] == '') ? getDefaultNetValue('wireguard','peer','Address') : $conf['Address'];
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$wg_plistenport = ($conf['ListenPort'] == '') ? getDefaultNetValue('wireguard','peer','ListenPort') : $conf['ListenPort'];
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$wg_pendpoint = ($conf['Endpoint'] == '') ? getDefaultNetValue('wireguard','peer','Endpoint') : $conf['Endpoint'];
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$wg_pallowedips = ($conf['AllowedIPs'] == '') ? getDefaultNetValue('wireguard','peer','AllowedIPs') : $conf['AllowedIPs'];
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$wg_pkeepalive = ($conf['PersistentKeepalive'] == '') ? getDefaultNetValue('wireguard','peer','PersistentKeepalive') : $conf['PersistentKeepalive'];
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if (sizeof($conf) >0) {
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$wg_penabled = true;
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}
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// fetch service status
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exec('pidof wg-crypt-wg0 | wc -l', $wgstatus);
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$serviceStatus = $wgstatus[0] == 0 ? "down" : "up";
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$wg_state = ($wgstatus[0] > 0);
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echo renderTemplate(
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"wireguard", compact(
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"status",
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"wg_state",
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"serviceStatus",
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"optRules",
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"wg_log",
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"peer_id",
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"wg_srvpubkey",
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"wg_srvport",
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"wg_srvipaddress",
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"wg_srvdns",
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"wg_senabled",
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"wg_penabled",
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"wg_pipaddress",
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"wg_plistenport",
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"wg_peerpubkey",
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"wg_pendpoint",
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"wg_pallowedips",
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"wg_pkeepalive"
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)
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);
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}
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/**
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* Validates uploaded .conf file, adds iptables post-up and
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* post-down rules.
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*
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* @param object $status
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* @param object $file
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* @param boolean $optRules
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* @return object $status
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*/
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function SaveWireGuardUpload($status, $file, $optRules)
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{
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define('KB', 1024);
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$tmp_destdir = '/tmp/';
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$auth_flag = 0;
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try {
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// If undefined or multiple files, treat as invalid
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if (!isset($file['error']) || is_array($file['error'])) {
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throw new RuntimeException('Invalid parameters');
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}
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$upload = \RaspAP\Uploader\Upload::factory('wg',$tmp_destdir);
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$upload->set_max_file_size(64*KB);
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$upload->set_allowed_mime_types(array('text/plain'));
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$upload->file($file);
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$validation = new validation;
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$upload->callbacks($validation, array('check_name_length'));
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$results = $upload->upload();
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if (!empty($results['errors'])) {
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throw new RuntimeException($results['errors'][0]);
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}
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// Valid upload, get file contents
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$tmp_wgconfig = $results['full_path'];
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$tmp_contents = file_get_contents($tmp_wgconfig);
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// Set iptables rules
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if (isset($optRules) && !preg_match('/PostUp|PostDown/m',$tmp_contents)) {
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$rules[] = 'PostUp = '.getDefaultNetValue('wireguard','server','PostUp');
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$rules[] = 'PostDown = '.getDefaultNetValue('wireguard','server','PostDown');
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$rules[] = '';
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$rules = join(PHP_EOL, $rules);
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$rules = preg_replace('/wlan0/m', $_SESSION['ap_interface'], $rules);
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$tmp_contents = preg_replace('/^\s*$/ms', $rules, $tmp_contents, 1);
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file_put_contents($tmp_wgconfig, $tmp_contents);
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}
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// Move uploaded file from to destination
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system("sudo mv $tmp_wgconfig ". RASPI_WIREGUARD_CONFIG, $return);
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if ($return ==0) {
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$status->addMessage('WireGuard configuration uploaded successfully', 'info');
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} else {
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$status->addMessage('Unable to save WireGuard configuration', 'danger');
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}
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return $status;
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} catch (RuntimeException $e) {
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$status->addMessage($e->getMessage(), 'danger');
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return $status;
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}
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}
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/**
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* Validate user input, save wireguard configuration
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*
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* @param object $status
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* @return boolean
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*/
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function SaveWireGuardConfig($status)
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{
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// Set defaults
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$good_input = true;
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$peer_id = 1;
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// Validate server input
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if ($_POST['wg_senabled'] == 1) {
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if (isset($_POST['wg_srvport'])) {
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if (strlen($_POST['wg_srvport']) > 5 || !is_numeric($_POST['wg_srvport'])) {
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$status->addMessage('Invalid value for server local port', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_plistenport'])) {
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if (strlen($_POST['wg_plistenport']) > 5 || !is_numeric($_POST['wg_plistenport'])) {
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$status->addMessage('Invalid value for peer local port', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_srvipaddress'])) {
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if (!validateCidr($_POST['wg_srvipaddress'])) {
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$status->addMessage('Invalid value for server IP address', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_srvdns'])) {
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if (!filter_var($_POST['wg_srvdns'],FILTER_VALIDATE_IP)) {
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$status->addMessage('Invalid value for DNS', 'danger');
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$good_input = false;
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}
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}
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}
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// Validate peer input
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if ($_POST['wg_penabled'] == 1) {
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if (isset($_POST['wg_pipaddress'])) {
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if (!validateCidr($_POST['wg_pipaddress'])) {
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$status->addMessage('Invalid value for peer IP address', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_pendpoint']) && strlen(trim($_POST['wg_pendpoint']) >0 )) {
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$wg_pendpoint_seg = substr($_POST['wg_pendpoint'],0,strpos($_POST['wg_pendpoint'],':'));
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if (!filter_var($wg_pendpoint_seg,FILTER_VALIDATE_IP)) {
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$status->addMessage('Invalid value for endpoint address', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_pallowedips']) && strlen(trim($_POST['wg_pallowedips']) >0)) {
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if (!validateCidr($_POST['wg_pallowedips'])) {
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$status->addMessage('Invalid value for allowed IPs', 'danger');
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$good_input = false;
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}
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}
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if (isset($_POST['wg_pkeepalive']) && strlen(trim($_POST['wg_pkeepalive']) >0 )) {
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if (strlen($_POST['wg_pkeepalive']) > 4 || !is_numeric($_POST['wg_pkeepalive'])) {
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$status->addMessage('Invalid value for persistent keepalive', 'danger');
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$good_input = false;
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}
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}
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}
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// Save settings
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if ($good_input) {
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// server (wg0.conf)
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if ($_POST['wg_senabled'] == 1) {
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// fetch server private key from filesytem
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$wg_srvprivkey = exec('sudo cat '. RASPI_WIREGUARD_PATH .'wg-server-private.key', $return);
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$config[] = '[Interface]';
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$config[] = 'Address = '.$_POST['wg_srvipaddress'];
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$config[] = 'ListenPort = '.$_POST['wg_srvport'];
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$config[] = 'DNS = '.$_POST['wg_srvdns'];
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$config[] = 'PrivateKey = '.$wg_srvprivkey;
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$config[] = 'PostUp = '.getDefaultNetValue('wireguard','server','PostUp');
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$config[] = 'PostDown = '.getDefaultNetValue('wireguard','server','PostDown');
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$config[] = '';
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$config[] = '[Peer]';
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$config[] = 'PublicKey = '.$_POST['wg-peer'];
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$config[] = 'AllowedIPs = '.$_POST['wg_pallowedips'];
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if ($_POST['wg_pkeepalive'] !== '') {
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$config[] = 'PersistentKeepalive = '.trim($_POST['wg_pkeepalive']);
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}
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$config[] = '';
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$config = join(PHP_EOL, $config);
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file_put_contents("/tmp/wgdata", $config);
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system('sudo cp /tmp/wgdata '.RASPI_WIREGUARD_CONFIG, $return);
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} else {
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# remove selected conf + keys
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system('sudo rm '. RASPI_WIREGUARD_PATH .'wg-server-private.key', $return);
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system('sudo rm '. RASPI_WIREGUARD_PATH .'wg-server-public.key', $return);
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system('sudo rm '. RASPI_WIREGUARD_CONFIG, $return);
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}
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// client1 (client.conf)
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if ($_POST['wg_penabled'] == 1) {
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// fetch peer private key from filesystem
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$wg_peerprivkey = exec('sudo cat '. RASPI_WIREGUARD_PATH .'wg-peer-private.key', $return);
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$config = [];
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$config[] = '[Interface]';
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$config[] = 'Address = '.trim($_POST['wg_pipaddress']);
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$config[] = 'PrivateKey = '.$wg_peerprivkey;
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$config[] = 'ListenPort = '.$_POST['wg_plistenport'];
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$config[] = '';
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$config[] = '[Peer]';
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$config[] = 'PublicKey = '.$_POST['wg-server'];
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$config[] = 'AllowedIPs = '.$_POST['wg_pallowedips'];
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$config[] = 'Endpoint = '.$_POST['wg_pendpoint'];
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if ($_POST['wg_pkeepalive'] !== '') {
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$config[] = 'PersistentKeepalive = '.trim($_POST['wg_pkeepalive']);
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}
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$config[] = '';
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$config = join(PHP_EOL, $config);
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file_put_contents("/tmp/wgdata", $config);
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system('sudo cp /tmp/wgdata '.RASPI_WIREGUARD_PATH.'client.conf', $return);
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} else {
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# remove selected conf + keys
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system('sudo rm '. RASPI_WIREGUARD_PATH .'wg-peer-private.key', $return);
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system('sudo rm '. RASPI_WIREGUARD_PATH .'wg-peer-public.key', $return);
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system('sudo rm '. RASPI_WIREGUARD_PATH.'client.conf', $return);
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}
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// handle log option
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if ($_POST['wg_log'] == "1") {
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exec("sudo /bin/systemctl status wg-quick@wg0 | sudo tee /tmp/wireguard.log > /dev/null");
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}
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foreach ($return as $line) {
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$status->addMessage($line, 'info');
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}
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if ($return == 0) {
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$status->addMessage('WireGuard configuration updated successfully', 'success');
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} else {
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$status->addMessage('WireGuard configuration failed to be updated', 'danger');
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}
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}
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}
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