*/

package jcifs.smb1.util;

import java.security.MessageDigest;

/**
 * Implements the MD4 message digest algorithm in Java.
 * <p>
 * <b>References:</b>
 * <ol>
 *   <li> Ronald L. Rivest,
 *        "<a href="http://www.roxen.com/rfc/rfc1320.html">
 *        The MD4 Message-Digest Algorithm</a>",
 *        IETF RFC-1320 (informational).
 * </ol>
 *
 * <p><b>$Revision: 1.2 $</b>

            // 3.2.5.1.9 Handling Compounded Responses
            // The final response in the compounded response chain will have NextCommand equal to 0,
            // and it MUST be processed as an individual message of a size equal to the number of bytes
            // remaining in this receive.
            int rem = this.readSize - this.length;
            len += rem;
        }

        haveResponse(buffer, start, len);

     */
    int getNetbiosCachePolicy ();


    /**
     * 
     * @return the maximum size of IO buffers, limits the maximum message size
     */
    int getMaximumBufferSize ();


    /**
     * 
     * Property <tt>jcifs.smb.client.transaction_buf_size</tt> (int, default 65535)
     * 

 * that are important in the context of using jCIFS. They are:
 *
 * <ul>
 * <li> <code>CallNamedPipe</code> A message-type pipe call that opens,
 *      writes to, reads from, and closes the pipe in a single operation.
 * <li> <code>TransactNamedPipe</code> A message-type pipe call that
 *      writes to and reads from an existing pipe descriptor in one operation.
 * <li> <code>CreateFile</code>, <code>ReadFile</code>,

            switch( SessionServicePacket.readPacketType( in, header, 0 )) {
                case SessionServicePacket.SESSION_KEEP_ALIVE:
                    break;
                case SessionServicePacket.SESSION_MESSAGE:
                    bip = SessionServicePacket.readLength( header, 0 );
                    break;
                case -1:
                    if( tot > 0 ) {
                        return tot;
                    }

        this.digest.reset();

        int flags = SMBUtil.readInt4(data, offset + 16);
        if ( ( flags & ServerMessageBlock2.SMB2_FLAGS_SIGNED ) == 0 ) {
            log.error("The server did not sign a message we expected to be signed");
            return true;
        }

        byte[] sig = new byte[SIGNATURE_LENGTH];
        System.arraycopy(data, offset + SIGNATURE_OFFSET, sig, 0, SIGNATURE_LENGTH);

                }

                synchronized (LOCK) {
                    if (NbtAddress.isWINS( request.addr ) == false)
                        break;
                                    /* Message was sent to WINS but
                                     * failed to receive response.
                                     * Try a different WINS server.
                                     */

                min = mid + 1;
            } else if (errcode < DCERPC_FAULT_CODES[mid]) {
                max = mid - 1;
            } else {
                return DCERPC_FAULT_MESSAGES[mid];
            }
        }

        return "0x" + Hexdump.toHexString(errcode, 8);
    }

    private int error;
    private Throwable rootCause;

    DcerpcException(int error) {

         */

        /**
         * Maybe this is related:
         * 
         * If signing is not active, the SecuritySignature field of the SMB Header for all messages sent, except
         * the SMB_COM_SESSION_SETUP_ANDX Response (section 2.2.4.53.2), MUST be set to
         * 0x0000000000000000. For the SMB_COM_SESSION_SETUP_ANDX Response, the SecuritySignature

                }

                synchronized ( this.LOCK ) {
                    if ( isWINS(request.addr) == false )
                        break;
                    /*
                     * Message was sent to WINS but
                     * failed to receive response.
                     * Try a different WINS server.
                     */
                    if ( request.addr == getWINSAddress() )