0,
            SmbConstants.DEFAULT_SHARING);
    }


    SmbFileOutputStream ( SmbFile file, boolean append, int openFlags, int access, int sharing ) throws SmbException {
        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

    private SmbPipeOutputStream output;
    private SmbPipeInputStream input;

    private final String uncPath;

    private SmbTreeHandleImpl treeHandle;

    private int sharing = SmbConstants.DEFAULT_SHARING;


    /**
     * @param pipe
     */
    public SmbPipeHandleImpl ( SmbNamedPipe pipe ) {
        this.pipe = pipe;

     * 
     * @param challenge The server challenge.
     * @return A <code>byte[]</code> containing the effective user session key,
     * used in SMB MAC signing and NTLMSSP signing and sealing.
     */
    public byte[] getUserSessionKey(byte[] challenge) {
        if (hashesExternal) return null;
        byte[] key = new byte[16];
        try {
            getUserSessionKey(challenge, key, 0); 

        this(file, 0, SmbConstants.O_RDONLY, SmbConstants.DEFAULT_SHARING, false);
    }


    SmbFileInputStream ( SmbFile file, int openFlags, int access, int sharing, boolean unshared ) throws SmbException {
        this.file = file;
        this.unsharedFile = unshared;
        this.openFlags = openFlags;
        this.access = access;
        this.sharing = sharing;

    private static final String S2C_SEAL_CONSTANT = "session key to server-to-client sealing key magic constant";

    private static final String C2S_SIGN_CONSTANT = "session key to client-to-server signing key magic constant";
    private static final String C2S_SEAL_CONSTANT = "session key to client-to-server sealing key magic constant";

    private static final Logger log = LoggerFactory.getLogger(NtlmContext.class);

    private int sharing;


    /**
     * Instantiate a random access file from URL
     * 
     * @param url
     * @param mode
     * @param sharing
     * @param tc
     * @throws SmbException
     * @throws MalformedURLException
     */
    @SuppressWarnings ( "resource" )

                  InputStream is = exclFile.openInputStream(SmbConstants.FILE_NO_SHARE) ) {
                fail("No sharing violation");
            }
            catch ( SmbException e ) {
                if ( e.getNtStatus() == NtStatus.NT_STATUS_SHARING_VIOLATION ) {
                    return;
                }
                throw e;
            }
            finally {

     *            whether to append to or truncate the input
     * @param sharing
     *            flags indicating for which operations others may open the file (FILE_SHARING_*)
     * @return output stream, needs to be closed when finished
     * @throws CIFSException
     */
    OutputStream openOutputStream ( boolean append, int sharing ) throws CIFSException;


    /**

     * @param tc
     * @param chlng
     *            The server challenge.
     * @return A <code>byte[]</code> containing the effective user session key,
     *         used in SMB MAC signing and NTLMSSP signing and sealing.
     */
    public byte[] getUserSessionKey ( CIFSContext tc, byte[] chlng ) {
        byte[] key = new byte[16];
        try {
            getUserSessionKey(tc, chlng, key, 0);
        }

    public static final int NT_STATUS_OBJECT_PATH_NOT_FOUND = 0xC000003a;
    public static final int NT_STATUS_OBJECT_PATH_SYNTAX_BAD = 0xC000003b;
    public static final int NT_STATUS_SHARING_VIOLATION = 0xC0000043;
    public static final int NT_STATUS_DELETE_PENDING = 0xC0000056;
    public static final int NT_STATUS_NO_LOGON_SERVERS = 0xC000005e;
    public static final int NT_STATUS_USER_EXISTS = 0xC0000063;