# the head of the pull request instead of the merge commit.
    - run: git checkout HEAD^2
      if: ${{ github.event_name == 'pull_request' }}

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v1
      with:
        languages: ${{ matrix.language }}
        # If you wish to specify custom queries, you can do so here or in a config file.

    static {
        try {
            SPNEGO_MECH_OID = new ASN1ObjectIdentifier("1.3.6.1.5.5.2");
        }
        catch ( IllegalArgumentException e ) {
            log.error("Failed to initialize OID", e);
        }
    }

    private SSPContext mechContext;

    private boolean firstResponse = true;
    private boolean completed;

    private ASN1ObjectIdentifier[] mechs;

    }


    @Override
    public byte[] calculateMIC ( byte[] data ) throws CIFSException {
        byte[] sk = this.signKey;
        if ( sk == null ) {
            throw new CIFSException("Signing is not initialized");
        }

        int seqNum = this.signSequence.getAndIncrement();
        byte[] seqBytes = new byte[4];
        SMBUtil.writeInt4(seqNum, seqBytes, 0);

 * should be sufficient for most needs.
 * 
 * If you want to retain the classic singleton behavior you can use
 * {@link jcifs.context.SingletonContext#getInstance()}
 * witch is initialized using system properties.
 * 
 */
@SuppressWarnings ( "javadoc" )
public class Config {

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


    /**

            this.transportContext = new BaseContext(new PropertyConfiguration(p));
        }
        catch ( CIFSException ex ) {
            throw new ServletException("Failed to initialize CIFS context", ex);
        }
    }


    protected void doFile ( HttpServletRequest req, HttpServletResponse resp, SmbFile file ) throws IOException {
        byte[] buf = new byte[8192];

                this.realm = "jCIFS";

            this.transportContext = new BaseContext(new PropertyConfiguration(p));;
        }
        catch ( CIFSException ex ) {
            throw new ServletException("Failed to initialize config", ex);
        }
    }


    @Override
    protected void service ( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException {
        Address dc;

 * is global therefore property names should be unique. Before use,
 * the <code>load</code> method should be called with the name of a
 * <code>Properties</code> file (or <code>null</code> indicating no
 * file) to initialize the <code>Config</code>. The <code>System</code>
 * properties will then populate the <code>Config</code> as well potentially
 * overwriting properties from the file. Thus properties provided on the

                            t.treeConnect(null, null);
                        }
                    }
                    else {
                        log.debug("Initialize signing");
                        byte[] signingKey = npa.getSigningKey(getContext(), negoResp.getServerData().encryptionKey);
                        if ( signingKey == null ) {

                this.in.close();
                this.socket.close();
                log.trace("Socket closed");
            }
            else {
                log.trace("Not yet initialized");
            }
        }
        catch ( Exception e ) {
            log.debug("Exception in disconnect", e);
        }
        finally {
            this.socket = null;
            this.digest = null;

     * @param attrs
     * @param access
     * @param flags
     * @param initialSize
     */
    public SmbFileHandleImpl ( Configuration cfg, int fid, SmbTreeHandleImpl tree, String unc, int flags, int access, int attrs, int options,
            long initialSize ) {
        this.cfg = cfg;
        this.fid = fid;
        this.initialSize = initialSize;
        this.fileId = null;
        this.unc = unc;