/* * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.jgss.spnego; import java.io.*;import java.util.*;import org.ietf.jgss.*;import sun.security.jgss.*;import sun.security.util.*; /** * Implements the SPNEGO NegTokenTarg token * as specified in RFC 2478 * * NegTokenTarg ::= SEQUENCE { * negResult [0] ENUMERATED { * accept_completed (0), * accept_incomplete (1), * reject (2) } OPTIONAL, * supportedMech [1] MechType OPTIONAL, * responseToken [2] OCTET STRING OPTIONAL, * mechListMIC [3] OCTET STRING OPTIONAL * } * * MechType::= OBJECT IDENTIFIER * * * @author Seema Malkani * @since 1.6 */ public class NegTokenTarg extends SpNegoToken { private int negResult = 0; private Oid supportedMech = null; private byte[] responseToken = null; private byte[] mechListMIC = null; NegTokenTarg(int result, Oid mech, byte[] token, byte[] mechListMIC) { super(NEG_TOKEN_TARG_ID); this.negResult = result; this.supportedMech = mech; this.responseToken = token; this.mechListMIC = mechListMIC; } // Used by sun.security.jgss.wrapper.NativeGSSContext // to parse SPNEGO tokens public NegTokenTarg(byte[] in) throws GSSException { super(NEG_TOKEN_TARG_ID); parseToken(in); } final byte[] encode() throws GSSException { try { // create negTargToken DerOutputStream targToken = new DerOutputStream(); // write the negotiated result with CONTEXT 00 DerOutputStream result = new DerOutputStream(); result.putEnumerated(negResult); targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), result); // supportedMech with CONTEXT 01 if (supportedMech != null) { DerOutputStream mech = new DerOutputStream(); byte[] mechType = supportedMech.getDER(); mech.write(mechType); targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), mech); } // response Token with CONTEXT 02 if (responseToken != null) { DerOutputStream rspToken = new DerOutputStream(); rspToken.putOctetString(responseToken); targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), rspToken); } // mechListMIC with CONTEXT 03 if (mechListMIC != null) { if (DEBUG) { System.out.println("SpNegoToken NegTokenTarg: " + "sending MechListMIC"); } DerOutputStream mic = new DerOutputStream(); mic.putOctetString(mechListMIC); targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x03), mic); } else if (GSSUtil.useMSInterop()) { // required for MS-interoperability if (responseToken != null) { if (DEBUG) { System.out.println("SpNegoToken NegTokenTarg: " + "sending additional token for MS Interop"); } DerOutputStream rspToken = new DerOutputStream(); rspToken.putOctetString(responseToken); targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x03), rspToken); } } // insert in a SEQUENCE DerOutputStream out = new DerOutputStream(); out.write(DerValue.tag_Sequence, targToken); return out.toByteArray(); } catch (IOException e) { throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1, "Invalid SPNEGO NegTokenTarg token : " + e.getMessage()); } } private void parseToken(byte[] in) throws GSSException { try { DerValue der = new DerValue(in); // verify NegotiationToken type token if (!der.isContextSpecific((byte) NEG_TOKEN_TARG_ID)) { throw new IOException("SPNEGO NegoTokenTarg : " + "did not have the right token type"); } DerValue tmp1 = der.data.getDerValue(); if (tmp1.tag != DerValue.tag_Sequence) { throw new IOException("SPNEGO NegoTokenTarg : " + "did not have the Sequence tag"); } // parse various fields if present int lastField = -1; while (tmp1.data.available() > 0) { DerValue tmp2 = tmp1.data.getDerValue(); if (tmp2.isContextSpecific((byte)0x00)) { lastField = checkNextField(lastField, 0); negResult = tmp2.data.getEnumerated(); if (DEBUG) { System.out.println("SpNegoToken NegTokenTarg: negotiated" + " result = " + getNegoResultString(negResult)); } } else if (tmp2.isContextSpecific((byte)0x01)) { lastField = checkNextField(lastField, 1); ObjectIdentifier mech = tmp2.data.getOID(); supportedMech = new Oid(mech.toString()); if (DEBUG) { System.out.println("SpNegoToken NegTokenTarg: " + "supported mechanism = " + supportedMech); } } else if (tmp2.isContextSpecific((byte)0x02)) { lastField = checkNextField(lastField, 2); responseToken = tmp2.data.getOctetString(); } else if (tmp2.isContextSpecific((byte)0x03)) { lastField = checkNextField(lastField, 3); if (!GSSUtil.useMSInterop()) { mechListMIC = tmp2.data.getOctetString(); if (DEBUG) { System.out.println("SpNegoToken NegTokenTarg: " + "MechListMIC Token = " + getHexBytes(mechListMIC)); } } } } } catch (IOException e) { throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1, "Invalid SPNEGO NegTokenTarg token : " + e.getMessage()); } } int getNegotiatedResult() { return negResult; } // Used by sun.security.jgss.wrapper.NativeGSSContext // to find the supported mech in SPNEGO tokens public Oid getSupportedMech() { return supportedMech; } byte[] getResponseToken() { return responseToken; } byte[] getMechListMIC() { return mechListMIC; }}
/*
* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.jgss.spnego;
import java.io.*;
import java.util.*;
import org.ietf.jgss.*;
import sun.security.jgss.*;
import sun.security.util.*;
/**
* Implements the SPNEGO NegTokenTarg token
* as specified in RFC 2478
*
* NegTokenTarg ::= SEQUENCE {
* negResult [0] ENUMERATED {
* accept_completed (0),
* accept_incomplete (1),
* reject (2) } OPTIONAL,
* supportedMech [1] MechType OPTIONAL,
* responseToken [2] OCTET STRING OPTIONAL,
* mechListMIC [3] OCTET STRING OPTIONAL
* }
*
* MechType::= OBJECT IDENTIFIER
*
*
* @author Seema Malkani
* @since 1.6
*/
public class NegTokenTarg extends SpNegoToken {
private int negResult = 0;
private Oid supportedMech = null;
private byte[] responseToken = null;
private byte[] mechListMIC = null;
NegTokenTarg(int result, Oid mech, byte[] token, byte[] mechListMIC)
{
super(NEG_TOKEN_TARG_ID);
this.negResult = result;
this.supportedMech = mech;
this.responseToken = token;
this.mechListMIC = mechListMIC;
}
// Used by sun.security.jgss.wrapper.NativeGSSContext
// to parse SPNEGO tokens
public NegTokenTarg(byte[] in) throws GSSException {
super(NEG_TOKEN_TARG_ID);
parseToken(in);
}
final byte[] encode() throws GSSException {
try {
// create negTargToken
DerOutputStream targToken = new DerOutputStream();
// write the negotiated result with CONTEXT 00
DerOutputStream result = new DerOutputStream();
result.putEnumerated(negResult);
targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x00), result);
// supportedMech with CONTEXT 01
if (supportedMech != null) {
DerOutputStream mech = new DerOutputStream();
byte[] mechType = supportedMech.getDER();
mech.write(mechType);
targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x01), mech);
}
// response Token with CONTEXT 02
if (responseToken != null) {
DerOutputStream rspToken = new DerOutputStream();
rspToken.putOctetString(responseToken);
targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x02), rspToken);
}
// mechListMIC with CONTEXT 03
if (mechListMIC != null) {
if (DEBUG) {
System.out.println("SpNegoToken NegTokenTarg: " +
"sending MechListMIC");
}
DerOutputStream mic = new DerOutputStream();
mic.putOctetString(mechListMIC);
targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x03), mic);
} else if (GSSUtil.useMSInterop()) {
// required for MS-interoperability
if (responseToken != null) {
if (DEBUG) {
System.out.println("SpNegoToken NegTokenTarg: " +
"sending additional token for MS Interop");
}
DerOutputStream rspToken = new DerOutputStream();
rspToken.putOctetString(responseToken);
targToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x03), rspToken);
}
}
// insert in a SEQUENCE
DerOutputStream out = new DerOutputStream();
out.write(DerValue.tag_Sequence, targToken);
return out.toByteArray();
} catch (IOException e) {
throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
"Invalid SPNEGO NegTokenTarg token : " + e.getMessage());
}
}
private void parseToken(byte[] in) throws GSSException {
try {
DerValue der = new DerValue(in);
// verify NegotiationToken type token
if (!der.isContextSpecific((byte) NEG_TOKEN_TARG_ID)) {
throw new IOException("SPNEGO NegoTokenTarg : " +
"did not have the right token type");
}
DerValue tmp1 = der.data.getDerValue();
if (tmp1.tag != DerValue.tag_Sequence) {
throw new IOException("SPNEGO NegoTokenTarg : " +
"did not have the Sequence tag");
}
// parse various fields if present
int lastField = -1;
while (tmp1.data.available() > 0) {
DerValue tmp2 = tmp1.data.getDerValue();
if (tmp2.isContextSpecific((byte)0x00)) {
lastField = checkNextField(lastField, 0);
negResult = tmp2.data.getEnumerated();
if (DEBUG) {
System.out.println("SpNegoToken NegTokenTarg: negotiated" +
" result = " + getNegoResultString(negResult));
}
} else if (tmp2.isContextSpecific((byte)0x01)) {
lastField = checkNextField(lastField, 1);
ObjectIdentifier mech = tmp2.data.getOID();
supportedMech = new Oid(mech.toString());
if (DEBUG) {
System.out.println("SpNegoToken NegTokenTarg: " +
"supported mechanism = " + supportedMech);
}
} else if (tmp2.isContextSpecific((byte)0x02)) {
lastField = checkNextField(lastField, 2);
responseToken = tmp2.data.getOctetString();
} else if (tmp2.isContextSpecific((byte)0x03)) {
lastField = checkNextField(lastField, 3);
if (!GSSUtil.useMSInterop()) {
mechListMIC = tmp2.data.getOctetString();
if (DEBUG) {
System.out.println("SpNegoToken NegTokenTarg: " +
"MechListMIC Token = " +
getHexBytes(mechListMIC));
}
}
}
}
} catch (IOException e) {
throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
"Invalid SPNEGO NegTokenTarg token : " + e.getMessage());
}
}
int getNegotiatedResult() {
return negResult;
}
// Used by sun.security.jgss.wrapper.NativeGSSContext
// to find the supported mech in SPNEGO tokens
public Oid getSupportedMech() {
return supportedMech;
}
byte[] getResponseToken() {
return responseToken;
}
byte[] getMechListMIC() {
return mechListMIC;
}
}