feat(jdk8): move files to new folder to avoid resources compiled.
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229
jdkSrc/jdk8/sun/security/jgss/spnego/NegTokenInit.java
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229
jdkSrc/jdk8/sun/security/jgss/spnego/NegTokenInit.java
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/*
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* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.jgss.spnego;
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import java.io.*;
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import java.util.*;
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import org.ietf.jgss.*;
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import sun.security.jgss.*;
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import sun.security.util.*;
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/**
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* Implements the SPNEGO NegTokenInit token
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* as specified in RFC 2478
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*
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* NegTokenInit ::= SEQUENCE {
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* mechTypes [0] MechTypeList OPTIONAL,
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* reqFlags [1] ContextFlags OPTIONAL,
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* mechToken [2] OCTET STRING OPTIONAL,
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* mechListMIC [3] OCTET STRING OPTIONAL
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* }
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*
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* MechTypeList ::= SEQUENCE OF MechType
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*
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* MechType::= OBJECT IDENTIFIER
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*
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* ContextFlags ::= BIT STRING {
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* delegFlag (0),
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* mutualFlag (1),
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* replayFlag (2),
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* sequenceFlag (3),
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* anonFlag (4),
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* confFlag (5),
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* integFlag (6)
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* }
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*
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* @author Seema Malkani
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* @since 1.6
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*/
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public class NegTokenInit extends SpNegoToken {
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// DER-encoded mechTypes
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private byte[] mechTypes = null;
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private Oid[] mechTypeList = null;
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private BitArray reqFlags = null;
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private byte[] mechToken = null;
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private byte[] mechListMIC = null;
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NegTokenInit(byte[] mechTypes, BitArray flags,
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byte[] token, byte[] mechListMIC)
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{
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super(NEG_TOKEN_INIT_ID);
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this.mechTypes = mechTypes;
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this.reqFlags = flags;
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this.mechToken = token;
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this.mechListMIC = mechListMIC;
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}
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// Used by sun.security.jgss.wrapper.NativeGSSContext
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// to parse SPNEGO tokens
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public NegTokenInit(byte[] in) throws GSSException {
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super(NEG_TOKEN_INIT_ID);
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parseToken(in);
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}
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final byte[] encode() throws GSSException {
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try {
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// create negInitToken
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DerOutputStream initToken = new DerOutputStream();
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// DER-encoded mechTypes with CONTEXT 00
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if (mechTypes != null) {
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initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
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true, (byte) 0x00), mechTypes);
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}
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// write context flags with CONTEXT 01
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if (reqFlags != null) {
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DerOutputStream flags = new DerOutputStream();
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flags.putUnalignedBitString(reqFlags);
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initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
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true, (byte) 0x01), flags);
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}
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// mechToken with CONTEXT 02
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if (mechToken != null) {
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DerOutputStream dataValue = new DerOutputStream();
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dataValue.putOctetString(mechToken);
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initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
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true, (byte) 0x02), dataValue);
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}
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// mechListMIC with CONTEXT 03
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if (mechListMIC != null) {
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if (DEBUG) {
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System.out.println("SpNegoToken NegTokenInit: " +
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"sending MechListMIC");
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}
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DerOutputStream mic = new DerOutputStream();
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mic.putOctetString(mechListMIC);
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initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
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true, (byte) 0x03), mic);
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}
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// insert in a SEQUENCE
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DerOutputStream out = new DerOutputStream();
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out.write(DerValue.tag_Sequence, initToken);
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return out.toByteArray();
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} catch (IOException e) {
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throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
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"Invalid SPNEGO NegTokenInit token : " + e.getMessage());
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}
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}
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private void parseToken(byte[] in) throws GSSException {
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try {
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DerValue der = new DerValue(in);
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// verify NegotiationToken type token
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if (!der.isContextSpecific((byte) NEG_TOKEN_INIT_ID)) {
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throw new IOException("SPNEGO NegoTokenInit : " +
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"did not have right token type");
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}
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DerValue tmp1 = der.data.getDerValue();
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if (tmp1.tag != DerValue.tag_Sequence) {
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throw new IOException("SPNEGO NegoTokenInit : " +
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"did not have the Sequence tag");
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}
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// parse various fields if present
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int lastField = -1;
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while (tmp1.data.available() > 0) {
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DerValue tmp2 = tmp1.data.getDerValue();
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if (tmp2.isContextSpecific((byte)0x00)) {
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// get the DER-encoded sequence of mechTypes
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lastField = checkNextField(lastField, 0);
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DerInputStream mValue = tmp2.data;
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mechTypes = mValue.toByteArray();
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// read all the mechTypes
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DerValue[] mList = mValue.getSequence(0);
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mechTypeList = new Oid[mList.length];
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ObjectIdentifier mech = null;
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for (int i = 0; i < mList.length; i++) {
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mech = mList[i].getOID();
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if (DEBUG) {
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System.out.println("SpNegoToken NegTokenInit: " +
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"reading Mechanism Oid = " + mech);
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}
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mechTypeList[i] = new Oid(mech.toString());
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}
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} else if (tmp2.isContextSpecific((byte)0x01)) {
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lastField = checkNextField(lastField, 1);
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// received reqFlags, skip it
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} else if (tmp2.isContextSpecific((byte)0x02)) {
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lastField = checkNextField(lastField, 2);
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if (DEBUG) {
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System.out.println("SpNegoToken NegTokenInit: " +
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"reading Mech Token");
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}
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mechToken = tmp2.data.getOctetString();
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} else if (tmp2.isContextSpecific((byte)0x03)) {
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lastField = checkNextField(lastField, 3);
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if (!GSSUtil.useMSInterop()) {
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mechListMIC = tmp2.data.getOctetString();
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if (DEBUG) {
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System.out.println("SpNegoToken NegTokenInit: " +
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"MechListMIC Token = " +
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getHexBytes(mechListMIC));
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}
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}
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}
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}
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} catch (IOException e) {
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throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
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"Invalid SPNEGO NegTokenInit token : " + e.getMessage());
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}
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}
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byte[] getMechTypes() {
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return mechTypes;
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}
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// Used by sun.security.jgss.wrapper.NativeGSSContext
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// to find the mechs in SPNEGO tokens
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public Oid[] getMechTypeList() {
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return mechTypeList;
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}
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BitArray getReqFlags() {
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return reqFlags;
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}
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// Used by sun.security.jgss.wrapper.NativeGSSContext
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// to access the mech token portion of SPNEGO tokens
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public byte[] getMechToken() {
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return mechToken;
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}
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byte[] getMechListMIC() {
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return mechListMIC;
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}
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}
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