JDK 11 java.security.jgss.jmod - Security JGSS Module

JDK 11 java.security.jgss.jmod is the JMOD file for JDK 11 Security JGSS (Java Generic Security Service) module.

JDK 11 Security JGSS module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.security.jgss.jmod.

JDK 11 Security JGSS module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Security JGSS module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.security.jgss.

You can click and view the content of each source code file in the list below.

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sun/security/jgss/spnego/NegTokenTarg.java

/*
 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

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;
    }
}

sun/security/jgss/spnego/NegTokenTarg.java

 

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