*/
    @Override
    public void run () {
        try {
            this.closed = true;
            close();
        }
        catch ( CIFSException e ) {
            log.warn("Failed to close context on shutdown", e);
        }
    }

            if ( log.isDebugEnabled() ) {
                log.debug(
                    String.format(
                        "PAC signature validation failed, have: %s expected: %s type: %d len: %d",
                        Hexdump.toHexString(checksum),
                        Hexdump.toHexString(this.serverSignature.getChecksum()),

            len += 2;
            if ( len > maxLen ) {
                if ( log.isDebugEnabled() ) {
                    log.warn("Failed to find string termination with max length " + maxLen);
                    log.debug(Hexdump.toHexString(buffer, bufferIndex, len));
                }
                throw new RuntimeCIFSException("zero termination not found");

            setRawPayload(payload);
        }

        if ( !verifySignature(buffer, 4, len) ) {
            throw new SMBProtocolDecodingException("Signature verification failed for " + this.getClass().getName());
        }
        return len;
    }


    protected int writeAndXWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

                    this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
                }
                catch ( GeneralSecurityException e ) {
                    throw new RuntimeCIFSException("Failed to encrypt password", e);
                }
                this.passwordLength = this.password.length;
            }
            else if ( this.ctx.getConfig().isDisablePlainTextPasswords() ) {

              SmbTransportImpl transport = session.getTransport() ) {
            return transport.isSMB2();
        }
        catch ( SmbException e ) {
            log.debug("Failed to connect for determining SMB2 support", e);
            return false;
        }
    }

                log.trace("Got subject " + s);
            }

            this.cachedSubject = s;
            return this.cachedSubject;
        }
        catch ( LoginException e ) {
            log.error("Failed to create login context", e);
            this.cachedSubject = new Subject();
            return null;
        }
    }


    /**
     * {@inheritDoc}
     *

// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
//

        "The system cannot find the file specified.",
        "The system cannot find the file specified.",
        "More data is available.",
        "Access is denied.",
        "The data area passed to a system call is too small.",
        "The filename, directory name, or volume label syntax is incorrect.",
        "The system cannot find the file specified.",
        "Cannot create a file when that file already exists.",

        try {
            connect();
        } catch( UnknownHostException uhe ) {
            throw new SmbException( "Failed to connect to server", uhe );
        } catch( SmbException se ) {
            throw se;
        } catch( IOException ioe ) {
            throw new SmbException( "Failed to connect to server", ioe );
        }
    }
    void doConnect() throws IOException {
        SmbTransport trans;