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A pure-java CIFS/SMB client library
/*
* © 2017 AgNO3 Gmbh & Co. KG
*
* 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.smb2.info;
import java.nio.charset.StandardCharsets;
import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
/**
* @author mbechler
*
*/
public class Smb2QueryDirectoryRequest extends ServerMessageBlock2Request implements RequestWithFileId {
/**
*
*/
public static final byte FILE_DIRECTORY_INFO = 0x1;
/**
*
*/
public static final byte FILE_FULL_DIRECTORY_INFO = 0x2;
/**
*
*/
public static final byte FILE_BOTH_DIRECTORY_INFO = 0x03;
/**
*
*/
public static final byte FILE_NAMES_INFO = 0x0C;
/**
*
*/
public static final byte FILE_ID_BOTH_DIRECTORY_INFO = 0x24;
/**
*
*/
public static final byte FILE_ID_FULL_DIRECTORY_INFO = 0x26;
/**
*
*/
public static final byte SMB2_RESTART_SCANS = 0x1;
/**
*
*/
public static final byte SMB2_RETURN_SINGLE_ENTRY = 0x2;
/**
*
*/
public static final byte SMB2_INDEX_SPECIFIED = 0x4;
/**
*
*/
public static final byte SMB2_REOPEN = 0x10;
private byte fileInformationClass = FILE_BOTH_DIRECTORY_INFO;
private byte queryFlags;
private int fileIndex;
private byte[] fileId;
private int outputBufferLength;
private String fileName;
/**
*
* @param config
*/
public Smb2QueryDirectoryRequest ( Configuration config ) {
this(config, Smb2Constants.UNSPECIFIED_FILEID);
}
/**
* @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}
*
* @see jcifs.internal.smb2.RequestWithFileId#setFileId(byte[])
*/
@Override
public void setFileId ( byte[] fileId ) {
this.fileId = fileId;
}
/**
* @param fileInformationClass
* the fileInformationClass to set
*/
public void setFileInformationClass ( byte fileInformationClass ) {
this.fileInformationClass = fileInformationClass;
}
/**
* @param queryFlags
* the queryFlags to set
*/
public void setQueryFlags ( byte queryFlags ) {
this.queryFlags = queryFlags;
}
/**
* @param fileIndex
* the fileIndex to set
*/
public void setFileIndex ( int fileIndex ) {
this.fileIndex = fileIndex;
}
/**
* @param fileName
* the fileName to set
*/
public void setFileName ( String fileName ) {
this.fileName = fileName;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.smb2.ServerMessageBlock2Request#createResponse(jcifs.CIFSContext,
* jcifs.internal.smb2.ServerMessageBlock2Request)
*/
@Override
protected Smb2QueryDirectoryResponse createResponse ( CIFSContext tc, ServerMessageBlock2Request req ) {
return new Smb2QueryDirectoryResponse(tc.getConfig(), this.fileInformationClass);
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.CommonServerMessageBlockRequest#size()
*/
@Override
public int size () {
return size8(Smb2Constants.SMB2_HEADER_LENGTH + 32 + ( this.fileName != null ? 2 * this.fileName.length() : 0 ));
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
*/
@Override
protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
int start = dstIndex;
SMBUtil.writeInt2(33, dst, dstIndex);
dst[ dstIndex + 2 ] = this.fileInformationClass;
dst[ dstIndex + 3 ] = this.queryFlags;
dstIndex += 4;
SMBUtil.writeInt4(this.fileIndex, dst, dstIndex);
dstIndex += 4;
System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
dstIndex += 16;
int fnOffsetOffset = dstIndex;
int fnLengthOffset = dstIndex + 2;
dstIndex += 4;
SMBUtil.writeInt4(this.outputBufferLength, dst, dstIndex);
dstIndex += 4;
if ( this.fileName == null ) {
SMBUtil.writeInt2(0, dst, fnOffsetOffset);
SMBUtil.writeInt2(0, dst, fnLengthOffset);
}
else {
byte[] fnBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);
SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, fnOffsetOffset);
SMBUtil.writeInt2(fnBytes.length, dst, fnLengthOffset);
System.arraycopy(fnBytes, 0, dst, dstIndex, fnBytes.length);
dstIndex += fnBytes.length;
}
return dstIndex - start;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
*/
@Override
protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
}
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