httpd.rs

    let listener = TcpListener::bind("0.0.0.0:80");

    let listener = match listener {
        Ok(r) => r,
        Err(_) => std::process::exit(1),
    };

    unsafe {
        libc::setgid(501);
        libc::setuid(501);
    }

    let _i = Iron::new(chain).http_on(listener).unwrap();