/* * 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;import java.io.*; /** * Implements the ASN.1 EncTicketPart type. * * <xmp> * EncTicketPart   ::= [APPLICATION 3] SEQUENCE { *         flags                   [0] TicketFlags, *         key                     [1] EncryptionKey, *         crealm                  [2] Realm, *         cname                   [3] PrincipalName, *         transited               [4] TransitedEncoding, *         authtime                [5] KerberosTime, *         starttime               [6] KerberosTime OPTIONAL, *         endtime                 [7] KerberosTime, *         renew-till              [8] KerberosTime OPTIONAL, *         caddr                   [9] HostAddresses OPTIONAL, *         authorization-data      [10] AuthorizationData 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 EncTicketPart {     public TicketFlags flags;    public EncryptionKey key;    public Realm crealm;    public PrincipalName cname;    public TransitedEncoding transited;    public KerberosTime authtime;    public KerberosTime starttime; //optional    public KerberosTime endtime;    public KerberosTime renewTill; //optional    public HostAddresses caddr; //optional    public AuthorizationData authorizationData; //optional     public EncTicketPart(            TicketFlags new_flags,            EncryptionKey new_key,            Realm new_crealm,            PrincipalName new_cname,            TransitedEncoding new_transited,            KerberosTime new_authtime,            KerberosTime new_starttime,            KerberosTime new_endtime,            KerberosTime new_renewTill,            HostAddresses new_caddr,            AuthorizationData new_authorizationData) {        flags = new_flags;        key = new_key;        crealm = new_crealm;        cname = new_cname;        transited = new_transited;        authtime = new_authtime;        starttime = new_starttime;        endtime = new_endtime;        renewTill = new_renewTill;        caddr = new_caddr;        authorizationData = new_authorizationData;    }     public EncTicketPart(byte[] data)            throws Asn1Exception, KrbException, IOException {        init(new DerValue(data));    }     public EncTicketPart(DerValue encoding)            throws Asn1Exception, KrbException, IOException {        init(encoding);    }     /**     * Initializes an EncTicketPart object.     * @param encoding a single DER-encoded value.     * @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.     */    private static String getHexBytes(byte[] bytes, int len)            throws IOException {         StringBuffer sb = new StringBuffer();        for (int i = 0; i < len; i++) {             int b1 = (bytes[i] >> 4) & 0x0f;            int b2 = bytes[i] & 0x0f;             sb.append(Integer.toHexString(b1));            sb.append(Integer.toHexString(b2));            sb.append(' ');        }        return sb.toString();    }     private void init(DerValue encoding)            throws Asn1Exception, IOException, RealmException {        DerValue der, subDer;         renewTill = null;        caddr = null;        authorizationData = null;        if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03)                || (encoding.isApplication() != true)                || (encoding.isConstructed() != true)) {            throw new Asn1Exception(Krb5.ASN1_BAD_ID);        }        der = encoding.getData().getDerValue();        if (der.getTag() != DerValue.tag_Sequence) {            throw new Asn1Exception(Krb5.ASN1_BAD_ID);        }        flags = TicketFlags.parse(der.getData(), (byte) 0x00, false);        key = EncryptionKey.parse(der.getData(), (byte) 0x01, false);        crealm = Realm.parse(der.getData(), (byte) 0x02, false);        cname = PrincipalName.parse(der.getData(), (byte) 0x03, false);        transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false);        authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false);        starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true);        endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false);        if (der.getData().available() > 0) {            renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true);        }        if (der.getData().available() > 0) {            caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true);        }        if (der.getData().available() > 0) {            authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true);        }        if (der.getData().available() > 0) {            throw new Asn1Exception(Krb5.ASN1_BAD_ID);        }     }     /**     * Encodes an EncTicketPart object.     * @return byte array of encoded EncTicketPart 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 {        DerOutputStream bytes = new DerOutputStream();        DerOutputStream temp = new DerOutputStream();        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x00), flags.asn1Encode());        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x01), key.asn1Encode());        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x02), crealm.asn1Encode());        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x03), cname.asn1Encode());        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x04), transited.asn1Encode());        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x05), authtime.asn1Encode());        if (starttime != null) {            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                    true, (byte) 0x06), starttime.asn1Encode());        }        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                true, (byte) 0x07), endtime.asn1Encode());         if (renewTill != null) {            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                    true, (byte) 0x08), renewTill.asn1Encode());        }         if (caddr != null) {            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                    true, (byte) 0x09), caddr.asn1Encode());        }         if (authorizationData != null) {            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,                    true, (byte) 0x0A), authorizationData.asn1Encode());        }        temp.write(DerValue.tag_Sequence, bytes);        bytes = new DerOutputStream();        bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION,                true, (byte) 0x03), temp);        return bytes.toByteArray();    }}