* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.pac.kerberos;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.kerberos.KerberosKey;

        Decodable i = createInformation(this.expectInfoType, this.expectInfoClass);
        if ( i != null ) {
            i.decode(buffer, bufferOffset, bufferLength);
        }
        bufferIndex = Math.max(bufferIndex, bufferOffset + bufferLength);
        this.info = i;
        return bufferIndex - start;
    }

        // CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {
            this.writeSizeFile = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
        }
        else {
            log.debug("No support or SMB signing is enabled, not enabling large writes");
            this.writeSizeFile = this.writeSize;

                    // only have second precision
                    // there seems to be some random factor (adding one second)
                    int diff = Math.abs((int) ( ( time / 1000 ) - ( f.lastModified() / 1000 ) ));
                    Assert.assertTrue("Have set time correctly", diff < 2);
                }
                else {

    /**
     * @param config
     * @param fileId
     */
    public Smb2QueryInfoRequest ( Configuration config, byte[] fileId ) {
        super(config, SMB2_QUERY_INFO);
        this.outputBufferLength = ( Math.min(config.getMaximumBufferSize(),  config.getListSize()) - Smb2QueryInfoResponse.OVERHEAD ) & ~0x7;
        this.fileId = fileId;
    }


    /**
     * {@inheritDoc}
     *

            throw new CIFSException(
                "The default OEM encoding " + SmbConstants.DEFAULT_OEM_ENCODING + " does not appear to be supported by this JRE.");
        }

        this.localPid = (int) ( Math.random() * 65536d );
        this.localTimeZone = TimeZone.getDefault();
        this.random = new SecureRandom();

        if ( this.machineId == null ) {
            byte[] mid = new byte[32];

        Smb2NegotiateResponse r = null;
        byte[] negoReqBuffer = null;
        byte[] negoRespBuffer = null;
        try {
            smb2neg.setRequestCredits(Math.max(1, this.desiredCredits - this.credits.availablePermits()));

            int reqLen = negotiateWrite(smb2neg, first != null);

            WriterThread w = new WriterThread();
            w.setDaemon(true);

            try {
                w.start();
                // use commonly acceptable buffer size
                int bsize = Math.min(sh.getReceiveBufferSize() - 70, dh.getSendBufferSize() - 70);
                byte[][] b = new byte[2][bsize];
                copyRecursive(dest, b, bsize, w, sh, dh);
            }
            finally {

    /**
     * @param config
     * @param fileId
     */
    public Smb2QueryDirectoryRequest ( Configuration config, byte[] fileId ) {
        super(config, SMB2_QUERY_DIRECTORY);
        this.outputBufferLength = ( Math.min(config.getMaximumBufferSize(), config.getListSize()) - Smb2QueryDirectoryResponse.OVERHEAD ) & ~0x7;
        this.fileId = fileId;
    }


    /**
     * {@inheritDoc}
     *

                if ( sk != null ) {
                    // session key is truncated to 16 bytes, right padded with 0 if shorter
                    byte[] key = new byte[16];
                    System.arraycopy(sk, 0, key, 0, Math.min(16, sk.length));
                    this.sessionKey = key;
                }

                boolean signed = response != null && response.isSigned();