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A pure-java CIFS/SMB client library
/* jcifs smb client library in Java
* Copyright (C) 2000 "Michael B. Allen"
*
* 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.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.internal.smb1.AndXServerMessageBlock;
import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.util.Hexdump;
/**
*
*/
public class SmbComTreeConnectAndX extends AndXServerMessageBlock {
private boolean disconnectTid = false;
private String service;
private byte[] password;
private int passwordLength;
private CIFSContext ctx;
private ServerData server;
/**
*
* @param ctx
* @param server
* @param path
* @param service
* @param andx
*/
public SmbComTreeConnectAndX ( CIFSContext ctx, ServerData server, String path, String service, ServerMessageBlock andx ) {
super(ctx.getConfig(), SMB_COM_TREE_CONNECT_ANDX, andx);
this.ctx = ctx;
this.server = server;
this.path = path;
this.service = service;
}
@Override
protected int getBatchLimit ( Configuration cfg, byte cmd ) {
int c = cmd & 0xFF;
switch ( c ) {
case SMB_COM_CHECK_DIRECTORY:
return cfg.getBatchLimit("TreeConnectAndX.CheckDirectory");
case SMB_COM_CREATE_DIRECTORY:
return cfg.getBatchLimit("TreeConnectAndX.CreateDirectory");
case SMB_COM_DELETE:
return cfg.getBatchLimit("TreeConnectAndX.Delete");
case SMB_COM_DELETE_DIRECTORY:
return cfg.getBatchLimit("TreeConnectAndX.DeleteDirectory");
case SMB_COM_OPEN_ANDX:
return cfg.getBatchLimit("TreeConnectAndX.OpenAndX");
case SMB_COM_RENAME:
return cfg.getBatchLimit("TreeConnectAndX.Rename");
case SMB_COM_TRANSACTION:
return cfg.getBatchLimit("TreeConnectAndX.Transaction");
case SMB_COM_QUERY_INFORMATION:
return cfg.getBatchLimit("TreeConnectAndX.QueryInformation");
}
return 0;
}
@Override
protected int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
if ( this.server.security == SmbConstants.SECURITY_SHARE && this.ctx.getCredentials() instanceof NtlmPasswordAuthenticator ) {
NtlmPasswordAuthenticator pwAuth = (NtlmPasswordAuthenticator) this.ctx.getCredentials();
if ( isExternalAuth(pwAuth) ) {
this.passwordLength = 1;
}
else if ( this.server.encryptedPasswords ) {
// encrypted
try {
this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
}
catch ( GeneralSecurityException e ) {
throw new RuntimeCIFSException("Failed to encrypt password", e);
}
this.passwordLength = this.password.length;
}
else if ( this.ctx.getConfig().isDisablePlainTextPasswords() ) {
throw new RuntimeCIFSException("Plain text passwords are disabled");
}
else {
// plain text
this.password = new byte[ ( pwAuth.getPassword().length() + 1 ) * 2];
this.passwordLength = writeString(pwAuth.getPassword(), this.password, 0);
}
}
else {
// no password in tree connect
this.passwordLength = 1;
}
dst[ dstIndex++ ] = this.disconnectTid ? (byte) 0x01 : (byte) 0x00;
dst[ dstIndex++ ] = (byte) 0x00;
SMBUtil.writeInt2(this.passwordLength, dst, dstIndex);
return 4;
}
@SuppressWarnings ( "deprecation" )
private static boolean isExternalAuth ( NtlmPasswordAuthenticator pwAuth ) {
return pwAuth instanceof jcifs.smb.NtlmPasswordAuthentication && ! ( (jcifs.smb.NtlmPasswordAuthentication) pwAuth ).areHashesExternal()
&& pwAuth.getPassword().isEmpty();
}
@Override
protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
int start = dstIndex;
if ( this.server.security == SmbConstants.SECURITY_SHARE && this.ctx.getCredentials() instanceof NtlmPasswordAuthenticator ) {
NtlmPasswordAuthenticator pwAuth = (NtlmPasswordAuthenticator) this.ctx.getCredentials();
if ( isExternalAuth(pwAuth) ) {
dst[ dstIndex++ ] = (byte) 0x00;
}
else {
System.arraycopy(this.password, 0, dst, dstIndex, this.passwordLength);
dstIndex += this.passwordLength;
}
}
else {
// no password in tree connect
dst[ dstIndex++ ] = (byte) 0x00;
}
dstIndex += writeString(this.path, dst, dstIndex);
try {
System.arraycopy(this.service.getBytes("ASCII"), 0, dst, dstIndex, this.service.length());
}
catch ( UnsupportedEncodingException uee ) {
return 0;
}
dstIndex += this.service.length();
dst[ dstIndex++ ] = (byte) '\0';
return dstIndex - start;
}
@Override
protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
public String toString () {
String result = new String(
"SmbComTreeConnectAndX[" + super.toString() + ",disconnectTid=" + this.disconnectTid + ",passwordLength=" + this.passwordLength
+ ",password=" + Hexdump.toHexString(this.password, this.passwordLength, 0) + ",path=" + this.path + ",service=" + this.service
+ "]");
return result;
}
}
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