/* * 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. */ /* * *  (C) Copyright IBM Corp. 1999 All Rights Reserved. *  Copyright 1997 The Open Group Research Institute.  All rights reserved. */ package sun.security.krb5.internal; import sun.security.krb5.*;import sun.security.util.*;import java.util.Vector;import java.io.IOException; /** * Implements the ASN.1 KrbCredInfo type. * * <xmp> * KrbCredInfo  ::= SEQUENCE { *      key             [0] EncryptionKey, *      prealm          [1] Realm OPTIONAL, *      pname           [2] PrincipalName OPTIONAL, *      flags           [3] TicketFlags OPTIONAL, *      authtime        [4] KerberosTime OPTIONAL, *      starttime       [5] KerberosTime OPTIONAL, *      endtime         [6] KerberosTime OPTIONAL, *      renew-till      [7] KerberosTime OPTIONAL, *      srealm          [8] Realm OPTIONAL, *      sname           [9] PrincipalName OPTIONAL, *      caddr           [10] HostAddresses OPTIONAL * } * </xmp> * * <p> * This definition reflects the Network Working Group RFC 4120 * specification available at * <a href="http://www.ietf.org/rfc/rfc4120.txt"> * http://www.ietf.org/rfc/rfc4120.txt</a>. */ public class KrbCredInfo {    public EncryptionKey key;    public Realm prealm; //optional    public PrincipalName pname; //optional    public TicketFlags flags; //optional    public KerberosTime authtime; //optional    public KerberosTime starttime; //optional    public KerberosTime endtime; //optional    public KerberosTime renewTill; //optional    public Realm srealm; //optional    public PrincipalName sname; //optional    public HostAddresses caddr; //optional     private KrbCredInfo() {    }     public KrbCredInfo(                       EncryptionKey new_key,                       Realm new_prealm,                       PrincipalName new_pname,                       TicketFlags new_flags,                       KerberosTime new_authtime,                       KerberosTime new_starttime,                       KerberosTime new_endtime,                       KerberosTime new_renewTill,                       Realm new_srealm,                       PrincipalName new_sname,                       HostAddresses new_caddr                           ) {        key = new_key;        prealm = new_prealm;        pname = new_pname;        flags = new_flags;        authtime = new_authtime;        starttime = new_starttime;        endtime = new_endtime;        renewTill = new_renewTill;        srealm = new_srealm;        sname = new_sname;        caddr = new_caddr;    }     /**     * Constructs a KrbCredInfo object.     * @param encoding a Der-encoded data.     * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.     * @exception IOException if an I/O error occurs while reading encoded data.     * @exception RealmException if an error occurs while parsing a Realm object.     */    public KrbCredInfo(DerValue encoding)            throws Asn1Exception, IOException, RealmException{        if (encoding.getTag() != DerValue.tag_Sequence) {            throw new Asn1Exception(Krb5.ASN1_BAD_ID);        }        prealm = null;        pname = null;        flags = null;        authtime = null;        starttime = null;        endtime = null;        renewTill = null;        srealm = null;        sname = null;        caddr = null;        key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false);        if (encoding.getData().available() > 0)            prealm = Realm.parse(encoding.getData(), (byte)0x01, true);        if (encoding.getData().available() > 0)            pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true);        if (encoding.getData().available() > 0)            flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true);        if (encoding.getData().available() > 0)            authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true);        if (encoding.getData().available() > 0)            starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true);        if (encoding.getData().available() > 0)            endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true);        if (encoding.getData().available() > 0)            renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true);        if (encoding.getData().available() > 0)            srealm = Realm.parse(encoding.getData(), (byte)0x08, true);        if (encoding.getData().available() > 0)            sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true);        if (encoding.getData().available() > 0)            caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true);        if (encoding.getData().available() > 0)            throw new Asn1Exception(Krb5.ASN1_BAD_ID);    }     /**     * Encodes an KrbCredInfo object.     * @return the byte array of encoded KrbCredInfo object.     * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.     * @exception IOException if an I/O error occurs while reading encoded data.     */    public byte[] asn1Encode() throws Asn1Exception, IOException {        Vector<DerValue> v = new Vector<>();        v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode()));        if (prealm != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), prealm.asn1Encode()));        if (pname != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode()));        if (flags != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode()));        if (authtime != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode()));        if (starttime != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode()));        if (endtime != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode()));        if (renewTill != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode()));        if (srealm != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), srealm.asn1Encode()));        if (sname != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode()));        if (caddr != null)            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode()));        DerValue der[] = new DerValue[v.size()];        v.copyInto(der);        DerOutputStream out = new DerOutputStream();        out.putSequence(der);        return out.toByteArray();    }     public Object clone() {        KrbCredInfo kcred = new KrbCredInfo();        kcred.key = (EncryptionKey)key.clone();        // optional fields        if (prealm != null)            kcred.prealm = (Realm)prealm.clone();        if (pname != null)            kcred.pname = (PrincipalName)pname.clone();        if (flags != null)            kcred.flags = (TicketFlags)flags.clone();        if (authtime != null)            kcred.authtime = (KerberosTime)authtime.clone();        if (starttime != null)            kcred.starttime = (KerberosTime)starttime.clone();        if (endtime != null)            kcred.endtime = (KerberosTime)endtime.clone();        if (renewTill != null)            kcred.renewTill = (KerberosTime)renewTill.clone();        if (srealm != null)            kcred.srealm = (Realm)srealm.clone();        if (sname != null)            kcred.sname = (PrincipalName)sname.clone();        if (caddr != null)            kcred.caddr = (HostAddresses)caddr.clone();        return kcred;    } }