  function onReady() {
    assert(!self.state.serverReady,
           msg('Received multiple ready events for server'));
    self.state.serverReady = true;
    self.onReady && self.onReady();
  }
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.