code: def drop_privileges(uid_name='hfos', gid_name='hfos'):
      
  
      if os.getuid() != 0:
          hfoslog("Not root, cannot drop privileges", lvl=warn, emitter='CORE')
          return
  
      try:
          # Get the uid/gid from the name
          running_uid = pwd.getpwnam(uid_name).pw_uid
          running_gid = grp.getgrnam(gid_name).gr_gid
  
          # Remove group privileges
          os.setgroups([])
  
          # Try setting the new uid/gid
          os.setgid(running_gid)
          os.setuid(running_uid)
  
          # Ensure a very conservative umask
          # old_umask = os.umask(22)
          hfoslog('Privileges dropped', emitter='CORE')
      except Exception as e:
          hfoslog('Could not drop privileges:', e, type(e), exc=True, lvl=error, emitter='CORE')
docs: Attempt to drop privileges and change user to 'hfos' user/group