	public function __construct($host, $user, $password) {
		$this->host = $host;
		list($workgroup, $user) = $this->splitUser($user);
		$this->user = $user;
		$this->workgroup = $workgroup;
		$this->password = $password;
	}
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.