op-packages/luci-app-wolplus/root/usr/share/rpcd/ucode/luci.wolplus

#!/usr/bin/ucode

'use strict';

import { popen } from 'fs';
import { cursor } from 'uci';

const etherwake = '/usr/bin/etherwake';

function shellquote(s) {
	return "'" + replace(s, "'", "'\\''") + "'";
}

const methods = {
	awake: {
		args: { section: 'string' },
		call: function(request) {
			const section = request.args.section;
			if (!section || match(section, /[^A-Za-z0-9_]/))
				return { data: 'invalid section' };

			let ctx = cursor();
			let lan = ctx.get('wolplus', section, 'maceth') || '';
			let mac = ctx.get('wolplus', section, 'macaddr') || '';

			if (!mac)
				return { data: 'missing MAC address' };

			let cmd = etherwake + ' -D' +
				(lan ? ' -i ' + shellquote(lan) : '') +
				' -b ' + shellquote(mac) + ' 2>&1';

			const fd = popen(cmd);
			let out = fd.read('all') || '';
			fd.close();

			if (length(out) > 500)
				out = substr(out, 0, 500) + '...';

			return { data: out };
		}
	}
};

return { 'luci.wolplus': methods };