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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.smb;
import java.security.GeneralSecurityException;
import jcifs.Configuration;
import jcifs.SmbConstants;
class SmbComSessionSetupAndX extends AndXServerMessageBlock {
private byte[] lmHash, ntHash, blob = null;
private int sessionKey, capabilities;
private String accountName, primaryDomain;
SmbSession session;
Object cred;
SmbComSessionSetupAndX ( SmbSession session, ServerMessageBlock andx, Object cred ) throws SmbException, GeneralSecurityException {
super(session.getConfig(), andx);
this.command = SMB_COM_SESSION_SETUP_ANDX;
this.session = session;
this.cred = cred;
this.sessionKey = session.getTransport().sessionKey;
this.capabilities = session.getTransport().capabilities;
if ( session.getTransport().server.security == SmbConstants.SECURITY_USER ) {
if ( cred instanceof NtlmPasswordAuthentication ) {
NtlmPasswordAuthentication a = (NtlmPasswordAuthentication) cred;
if ( a.isAnonymous() ) {
this.lmHash = new byte[0];
this.ntHash = new byte[0];
this.capabilities &= ~SmbConstants.CAP_EXTENDED_SECURITY;
if ( !a.isGuest() ) {
this.accountName = a.getUsername();
if ( this.useUnicode )
this.accountName = this.accountName.toUpperCase();
this.primaryDomain = a.getUserDomain() != null ? a.getUserDomain().toUpperCase() : "?";
}
else {
this.accountName = "";
this.primaryDomain = "";
}
}
else {
this.accountName = a.getUsername();
if ( this.useUnicode )
this.accountName = this.accountName.toUpperCase();
this.primaryDomain = a.getUserDomain() != null ? a.getUserDomain().toUpperCase() : "?";
if ( session.getTransport().server.encryptedPasswords ) {
this.lmHash = a.getAnsiHash(session.getTransportContext(), session.getTransport().server.encryptionKey);
this.ntHash = a.getUnicodeHash(session.getTransportContext(), session.getTransport().server.encryptionKey);
// prohibit HTTP auth attempts for the null session
if ( this.lmHash.length == 0 && this.ntHash.length == 0 ) {
throw new RuntimeException("Null setup prohibited.");
}
}
else if ( session.getTransportContext().getConfig().isDisablePlainTextPasswords() ) {
throw new RuntimeException("Plain text passwords are disabled");
}
else {
// plain text
String password = a.getPassword();
this.lmHash = new byte[ ( password.length() + 1 ) * 2];
this.ntHash = new byte[0];
writeString(password, this.lmHash, 0);
}
}
}
else if ( cred instanceof byte[] ) {
this.blob = (byte[]) cred;
}
else {
throw new SmbException("Unsupported credential type " + ( cred != null ? cred.getClass() : "NULL" ));
}
}
else if ( session.getTransport().server.security == SmbConstants.SECURITY_SHARE ) {
if ( cred instanceof NtlmPasswordAuthentication ) {
NtlmPasswordAuthentication a = (NtlmPasswordAuthentication) cred;
this.lmHash = new byte[0];
this.ntHash = new byte[0];
if ( !a.isAnonymous() ) {
this.accountName = a.getUsername();
if ( this.useUnicode )
this.accountName = this.accountName.toUpperCase();
this.primaryDomain = a.getUserDomain() != null ? a.getUserDomain().toUpperCase() : "?";
}
else {
this.accountName = "";
this.primaryDomain = "";
}
}
else {
throw new SmbException("Unsupported credential type");
}
}
else {
throw new SmbException("Unsupported");
}
}
@Override
int getBatchLimit ( Configuration cfg, byte cmd ) {
return cmd == SMB_COM_TREE_CONNECT_ANDX ? cfg.getBatchLimit("SessionSetupAndX.TreeConnectAndX") : 0;
}
@Override
int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
int start = dstIndex;
SMBUtil.writeInt2(this.session.getTransport().snd_buf_size, dst, dstIndex);
dstIndex += 2;
SMBUtil.writeInt2(this.session.getTransport().maxMpxCount, dst, dstIndex);
dstIndex += 2;
SMBUtil.writeInt2(getConfig().getVcNumber(), dst, dstIndex);
dstIndex += 2;
SMBUtil.writeInt4(this.sessionKey, dst, dstIndex);
dstIndex += 4;
if ( this.blob != null ) {
SMBUtil.writeInt2(this.blob.length, dst, dstIndex);
dstIndex += 2;
}
else {
SMBUtil.writeInt2(this.lmHash.length, dst, dstIndex);
dstIndex += 2;
SMBUtil.writeInt2(this.ntHash.length, dst, dstIndex);
dstIndex += 2;
}
dst[ dstIndex++ ] = (byte) 0x00;
dst[ dstIndex++ ] = (byte) 0x00;
dst[ dstIndex++ ] = (byte) 0x00;
dst[ dstIndex++ ] = (byte) 0x00;
SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
dstIndex += 4;
return dstIndex - start;
}
@Override
int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
int start = dstIndex;
if ( this.blob != null ) {
System.arraycopy(this.blob, 0, dst, dstIndex, this.blob.length);
dstIndex += this.blob.length;
}
else {
System.arraycopy(this.lmHash, 0, dst, dstIndex, this.lmHash.length);
dstIndex += this.lmHash.length;
System.arraycopy(this.ntHash, 0, dst, dstIndex, this.ntHash.length);
dstIndex += this.ntHash.length;
dstIndex += writeString(this.accountName, dst, dstIndex);
dstIndex += writeString(this.primaryDomain, dst, dstIndex);
}
dstIndex += writeString(getConfig().getNativeOs(), dst, dstIndex);
dstIndex += writeString(getConfig().getNativeLanman(), dst, dstIndex);
return dstIndex - start;
}
@Override
int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
public String toString () {
String result = new String(
"SmbComSessionSetupAndX[" + super.toString() + ",snd_buf_size=" + this.session.getTransport().snd_buf_size + ",maxMpxCount="
+ this.session.getTransport().maxMpxCount + ",VC_NUMBER=" + getConfig().getVcNumber() + ",sessionKey=" + this.sessionKey
+ ",lmHash.length=" + ( this.lmHash == null ? 0 : this.lmHash.length ) + ",ntHash.length="
+ ( this.ntHash == null ? 0 : this.ntHash.length ) + ",capabilities=" + this.capabilities + ",accountName=" + this.accountName
+ ",primaryDomain=" + this.primaryDomain + ",NATIVE_OS=" + getConfig().getNativeOs() + ",NATIVE_LANMAN="
+ getConfig().getNativeLanman() + "]");
return result;
}
}