content: /* jcifs smb client library in Java
   * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   * 
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   * 
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package jcifs.internal.smb1.com;
  
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import jcifs.Configuration;
  import jcifs.RuntimeCIFSException;
  import jcifs.internal.SmbNegotiationRequest;
  import jcifs.internal.smb1.ServerMessageBlock;
  import jcifs.util.Strings;
  
  
  /**
   * 
   */
  public class SmbComNegotiate extends ServerMessageBlock implements SmbNegotiationRequest {
  
      private final boolean signingEnforced;
      private String[] dialects;
  
  
      /**
       * 
       * @param config
       * @param signingEnforced
       */
      public SmbComNegotiate ( Configuration config, boolean signingEnforced ) {
          super(config, SMB_COM_NEGOTIATE);
          this.signingEnforced = signingEnforced;
          setFlags2(config.getFlags2());
  
          if ( config.getMinimumVersion().isSMB2() ) {
              this.dialects = new String[] {
                  "SMB 2.???", "SMB 2.002"
              };
          }
          else if ( config.getMaximumVersion().isSMB2() ) {
              this.dialects = new String[] {
                  "NT LM 0.12", "SMB 2.???", "SMB 2.002"
              };
          }
          else {
              this.dialects = new String[] {
                  "NT LM 0.12"
              };
          }
      }
  
  
      /**
       * {@inheritDoc}
       *
       * @see jcifs.internal.SmbNegotiationRequest#isSigningEnforced()
       */
      @Override
      public boolean isSigningEnforced () {
          return this.signingEnforced;
      }
  
  
      @Override
      protected int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      @Override
      protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
          ByteArrayOutputStream bos = new ByteArrayOutputStream();
  
          for ( String dialect : this.dialects ) {
              bos.write(0x02);
              try {
                  bos.write(Strings.getASCIIBytes(dialect));
              }
              catch ( IOException e ) {
                  throw new RuntimeCIFSException(e);
              }
              bos.write(0x0);
          }
  
          System.arraycopy(bos.toByteArray(), 0, dst, dstIndex, bos.size());
          return bos.size();
      }
  
  
      @Override
      protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
          return 0;
      }
  
  
      @Override
      protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
          return 0;
      }
  
  
      @Override
      public String toString () {
          return new String("SmbComNegotiate[" + super.toString() + ",wordCount=" + this.wordCount + ",dialects=NT LM 0.12]");
      }
  }
  