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.

✍: FYIcenter

sun/security/jgss/spnego/NegTokenInit.java

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

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 NegTokenInit token
 * as specified in RFC 2478
 *
 * NegTokenInit ::= SEQUENCE {
 *      mechTypes       [0] MechTypeList  OPTIONAL,
 *      reqFlags        [1] ContextFlags  OPTIONAL,
 *      mechToken       [2] OCTET STRING  OPTIONAL,
 *      mechListMIC     [3] OCTET STRING  OPTIONAL
 * }
 *
 * MechTypeList ::= SEQUENCE OF MechType
 *
 * MechType::= OBJECT IDENTIFIER
 *
 * ContextFlags ::= BIT STRING {
 *      delegFlag       (0),
 *      mutualFlag      (1),
 *      replayFlag      (2),
 *      sequenceFlag    (3),
 *      anonFlag        (4),
 *      confFlag        (5),
 *      integFlag       (6)
 * }
 *
 * @author Seema Malkani
 * @since 1.6
 */

public class NegTokenInit extends SpNegoToken {

    // DER-encoded mechTypes
    private byte[] mechTypes = null;
    private Oid[] mechTypeList = null;

    private BitArray reqFlags = null;
    private byte[] mechToken = null;
    private byte[] mechListMIC = null;

    NegTokenInit(byte[] mechTypes, BitArray flags,
                byte[] token, byte[] mechListMIC)
    {
        super(NEG_TOKEN_INIT_ID);
        this.mechTypes = mechTypes;
        this.reqFlags = flags;
        this.mechToken = token;
        this.mechListMIC = mechListMIC;
    }

    // Used by sun.security.jgss.wrapper.NativeGSSContext
    // to parse SPNEGO tokens
    public NegTokenInit(byte[] in) throws GSSException {
        super(NEG_TOKEN_INIT_ID);
        parseToken(in);
    }

    final byte[] encode() throws GSSException {
        try {
            // create negInitToken
            DerOutputStream initToken = new DerOutputStream();

            // DER-encoded mechTypes with CONTEXT 00
            if (mechTypes != null) {
                initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
                                                true, (byte) 0x00), mechTypes);
            }

            // write context flags with CONTEXT 01
            if (reqFlags != null) {
                DerOutputStream flags = new DerOutputStream();
                flags.putUnalignedBitString(reqFlags);
                initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
                                                true, (byte) 0x01), flags);
            }

            // mechToken with CONTEXT 02
            if (mechToken != null) {
                DerOutputStream dataValue = new DerOutputStream();
                dataValue.putOctetString(mechToken);
                initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
                                                true, (byte) 0x02), dataValue);
            }

            // mechListMIC with CONTEXT 03
            if (mechListMIC != null) {
                if (DEBUG) {
                    System.out.println("SpNegoToken NegTokenInit: " +
                                        "sending MechListMIC");
                }
                DerOutputStream mic = new DerOutputStream();
                mic.putOctetString(mechListMIC);
                initToken.write(DerValue.createTag(DerValue.TAG_CONTEXT,
                                                true, (byte) 0x03), mic);
            }

            // insert in a SEQUENCE
            DerOutputStream out = new DerOutputStream();
            out.write(DerValue.tag_Sequence, initToken);

            return out.toByteArray();

        } catch (IOException e) {
            throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
                "Invalid SPNEGO NegTokenInit 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_INIT_ID)) {
                throw new IOException("SPNEGO NegoTokenInit : " +
                                "did not have right token type");
            }
            DerValue tmp1 = der.data.getDerValue();
            if (tmp1.tag != DerValue.tag_Sequence) {
                throw new IOException("SPNEGO NegoTokenInit : " +
                                "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)) {
                    // get the DER-encoded sequence of mechTypes
                    lastField = checkNextField(lastField, 0);
                    DerInputStream mValue = tmp2.data;
                    mechTypes = mValue.toByteArray();

                    // read all the mechTypes
                    DerValue[] mList = mValue.getSequence(0);
                    mechTypeList = new Oid[mList.length];
                    ObjectIdentifier mech = null;
                    for (int i = 0; i < mList.length; i++) {
                        mech = mList[i].getOID();
                        if (DEBUG) {
                            System.out.println("SpNegoToken NegTokenInit: " +
                                    "reading Mechanism Oid = " + mech);
                        }
                        mechTypeList[i] = new Oid(mech.toString());
                    }
                } else if (tmp2.isContextSpecific((byte)0x01)) {
                    lastField = checkNextField(lastField, 1);
                    // received reqFlags, skip it
                } else if (tmp2.isContextSpecific((byte)0x02)) {
                    lastField = checkNextField(lastField, 2);
                    if (DEBUG) {
                        System.out.println("SpNegoToken NegTokenInit: " +
                                            "reading Mech Token");
                    }
                    mechToken = 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 NegTokenInit: " +
                                    "MechListMIC Token = " +
                                    getHexBytes(mechListMIC));
                        }
                    }
                }
            }
        } catch (IOException e) {
            throw new GSSException(GSSException.DEFECTIVE_TOKEN, -1,
                "Invalid SPNEGO NegTokenInit token : " + e.getMessage());
        }
    }

    byte[] getMechTypes() {
        return mechTypes;
    }

    // Used by sun.security.jgss.wrapper.NativeGSSContext
    // to find the mechs in SPNEGO tokens
    public Oid[] getMechTypeList() {
        return mechTypeList;
    }

    BitArray getReqFlags() {
        return reqFlags;
    }

    // Used by sun.security.jgss.wrapper.NativeGSSContext
    // to access the mech token portion of SPNEGO tokens
    public byte[] getMechToken() {
        return mechToken;
    }

    byte[] getMechListMIC() {
        return mechListMIC;
    }

}

sun/security/jgss/spnego/NegTokenInit.java

 

JDK 11 java.security.sasl.jmod - Security SASL Module

JDK 11 java.se.jmod - SE Module

Download and Use JDK 11

⇑⇑ FAQ for JDK (Java Development Kit)

2018-11-09, 5181👍, 0💬