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#!/usr/bin/env ucode
'use strict';
import { popen, access, readfile, unlink } from 'fs';
import { process_list, init_enabled, init_action } from 'luci.sys';
const BIN_DIR = '/usr/bin';
const KEY_DIR = '/etc/rustdesk';
/*
* Helper functions to reduce code duplication
*/
// Shell escape a string to prevent command injection
function shellquote(s) {
return `'${replace(s, "'", "'\\''")}'`;
}
// Get PID of a process by name using luci.sys.process_list()
function getProcessPid(process_name) {
for (let proc in process_list()) {
if (index(proc.COMMAND, process_name) >= 0) {
return proc.PID;
}
}
return null;
}
// Execute a command and return trimmed output (for version queries only)
function execCommand(bin, args) {
let result = null;
let cmd = shellquote(bin) + ' ' + args;
let pp = popen(cmd, 'r');
if (pp) {
let output = pp.read('all');
pp.close();
if (output) {
result = trim(output);
}
}
return result;
}
// Check if a file exists
function fileExists(path) {
return !!access(path);
}
// Read file content and trim
function readFileContent(path) {
let content = readfile(path);
return content ? trim(content) : null;
}
// Safe file deletion
function safeUnlink(path) {
return unlink(path) || false;
}
const methods = {
get_status: {
call: function() {
// Check if service is enabled for boot using luci.sys.init_enabled()
let boot_enabled = init_enabled('rustdesk-server');
return {
hbbs_pid: getProcessPid('hbbs'),
hbbr_pid: getProcessPid('hbbr'),
hbbs_exists: fileExists(BIN_DIR + '/hbbs'),
hbbr_exists: fileExists(BIN_DIR + '/hbbr'),
boot_enabled: boot_enabled
};
}
},
get_public_key: {
call: function() {
let key_path = KEY_DIR + '/id_ed25519.pub';
let key_exists = fileExists(key_path);
let public_key = null;
if (key_exists) {
public_key = readFileContent(key_path);
}
return {
key_exists: key_exists,
public_key: public_key,
key_path: key_path
};
}
},
service_action: {
args: { action: 'action' },
call: function(req) {
let action = '';
if (req && req.args && req.args.action) {
action = req.args.action;
}
// Validate action - whitelist approach
const valid_actions = ['start', 'stop', 'restart', 'reload', 'enable', 'disable'];
if (index(valid_actions, action) < 0) {
return {
success: false,
error: 'Invalid action. Allowed: ' + join(', ', valid_actions)
};
}
// Use luci.sys.init_action() for service control
let result = init_action('rustdesk-server', action);
return {
success: (result === 0),
action: action,
exit_code: result
};
}
},
get_version: {
call: function() {
return {
hbbs_version: fileExists(BIN_DIR + '/hbbs') ? execCommand(BIN_DIR + '/hbbs', '--version 2>&1') : null,
hbbr_version: fileExists(BIN_DIR + '/hbbr') ? execCommand(BIN_DIR + '/hbbr', '--version 2>&1') : null
};
}
},
regenerate_key: {
call: function() {
let key_priv = KEY_DIR + '/id_ed25519';
let key_pub = KEY_DIR + '/id_ed25519.pub';
// Step 1: Stop the service first so keys are not in use
// init_action is synchronous - waits for service to fully stop
init_action('rustdesk-server', 'stop');
// Step 2: Remove existing keys
let priv_deleted = safeUnlink(key_priv);
let pub_deleted = safeUnlink(key_pub);
// Verify keys are deleted
let keys_deleted = !fileExists(key_priv) && !fileExists(key_pub);
// The UI will call restart to regenerate the keys
// hbbs automatically generates new keys on startup if they don't exist
return {
success: keys_deleted,
keys_deleted: keys_deleted,
priv_deleted: priv_deleted,
pub_deleted: pub_deleted,
key_path: key_pub,
message: keys_deleted ? 'Keys deleted. Restart service to generate new keys.' : 'Failed to delete keys'
};
}
}
};
return { 'luci.rustdesk-server': methods };
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