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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.create;
import java.util.LinkedList;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import jcifs.Configuration;
import jcifs.internal.CommonServerMessageBlockRequest;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.SmbBasicFileInfo;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;
/**
* @author mbechler
*
*/
public class Smb2CreateResponse extends ServerMessageBlock2Response implements SmbBasicFileInfo {
private static final Logger log = LoggerFactory.getLogger(Smb2CreateResponse.class);
private byte oplockLevel;
private byte openFlags;
private int createAction;
private long creationTime;
private long lastAccessTime;
private long lastWriteTime;
private long changeTime;
private long allocationSize;
private long endOfFile;
private int fileAttributes;
private byte[] fileId = new byte[16];
private CreateContextResponse[] createContexts;
private final String fileName;
/**
* @param config
* @param name
*/
public Smb2CreateResponse ( Configuration config, String name ) {
super(config);
this.fileName = name;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.smb2.ServerMessageBlock2Response#prepare(jcifs.internal.CommonServerMessageBlockRequest)
*/
@Override
public void prepare ( CommonServerMessageBlockRequest next ) {
if ( isReceived() && ( next instanceof RequestWithFileId ) ) {
( (RequestWithFileId) next ).setFileId(this.fileId);
}
super.prepare(next);
}
/**
* @return the oplockLevel
*/
public final byte getOplockLevel () {
return this.oplockLevel;
}
/**
* @return the flags
*/
public final byte getOpenFlags () {
return this.openFlags;
}
/**
* @return the createAction
*/
public final int getCreateAction () {
return this.createAction;
}
/**
* @return the creationTime
*/
public final long getCreationTime () {
return this.creationTime;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.SmbBasicFileInfo#getCreateTime()
*/
@Override
public final long getCreateTime () {
return getCreationTime();
}
/**
* @return the lastAccessTime
*/
@Override
public final long getLastAccessTime () {
return this.lastAccessTime;
}
/**
* @return the lastWriteTime
*/
@Override
public final long getLastWriteTime () {
return this.lastWriteTime;
}
/**
* @return the changeTime
*/
public final long getChangeTime () {
return this.changeTime;
}
/**
* @return the allocationSize
*/
public final long getAllocationSize () {
return this.allocationSize;
}
/**
* @return the endOfFile
*/
public final long getEndOfFile () {
return this.endOfFile;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.SmbBasicFileInfo#getSize()
*/
@Override
public final long getSize () {
return getEndOfFile();
}
/**
* @return the fileAttributes
*/
public final int getFileAttributes () {
return this.fileAttributes;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.SmbBasicFileInfo#getAttributes()
*/
@Override
public final int getAttributes () {
return getFileAttributes();
}
/**
* @return the fileId
*/
public final byte[] getFileId () {
return this.fileId;
}
/**
* @return the fileName
*/
public final String getFileName () {
return this.fileName;
}
/**
* @return the createContexts
*/
public CreateContextResponse[] getCreateContexts () {
return this.createContexts;
}
/**
* {@inheritDoc}
*
* @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
*/
@Override
protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
return 0;
}
/**
* {@inheritDoc}
*
* @throws Smb2ProtocolDecodingException
*
* @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
*/
@Override
protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
int start = bufferIndex;
int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
if ( structureSize != 89 ) {
throw new SMBProtocolDecodingException("Structure size is not 89");
}
this.oplockLevel = buffer[ bufferIndex + 2 ];
this.openFlags = buffer[ bufferIndex + 3 ];
bufferIndex += 4;
this.createAction = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
this.creationTime = SMBUtil.readTime(buffer, bufferIndex);
bufferIndex += 8;
this.lastAccessTime = SMBUtil.readTime(buffer, bufferIndex);
bufferIndex += 8;
this.lastWriteTime = SMBUtil.readTime(buffer, bufferIndex);
bufferIndex += 8;
this.changeTime = SMBUtil.readTime(buffer, bufferIndex);
bufferIndex += 8;
this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
bufferIndex += 8;
this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
bufferIndex += 8;
this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
bufferIndex += 4; // Reserved2
System.arraycopy(buffer, bufferIndex, this.fileId, 0, 16);
bufferIndex += 16;
int createContextOffset = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
int createContextLength = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
if ( createContextOffset > 0 && createContextLength > 0 ) {
List contexts = new LinkedList<>();
int createContextStart = getHeaderStart() + createContextOffset;
int next = 0;
do {
int cci = createContextStart;
next = SMBUtil.readInt4(buffer, cci);
cci += 4;
int nameOffset = SMBUtil.readInt2(buffer, cci);
int nameLength = SMBUtil.readInt2(buffer, cci + 2);
cci += 4;
int dataOffset = SMBUtil.readInt2(buffer, cci + 2);
cci += 4;
int dataLength = SMBUtil.readInt4(buffer, cci);
cci += 4;
byte[] nameBytes = new byte[nameLength];
System.arraycopy(buffer, createContextStart + nameOffset, nameBytes, 0, nameBytes.length);
cci = Math.max(cci, createContextStart + nameOffset + nameLength);
CreateContextResponse cc = createContext(nameBytes);
if ( cc != null ) {
cc.decode(buffer, createContextStart + dataOffset, dataLength);
contexts.add(cc);
}
cci = Math.max(cci, createContextStart + dataOffset + dataLength);
if ( next > 0 ) {
createContextStart += next;
}
bufferIndex = Math.max(bufferIndex, cci);
}
while ( next > 0 );
this.createContexts = contexts.toArray(new CreateContextResponse[0]);
}
if ( log.isDebugEnabled() ) {
log.debug("Opened " + this.fileName + ": " + Hexdump.toHexString(this.fileId));
}
return bufferIndex - start;
}
/**
* @param nameBytes
* @return
*/
private static CreateContextResponse createContext ( byte[] nameBytes ) {
return null;
}
}