--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/krb5/internal/KRBCred.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,183 @@
+/*
+ * 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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.EncryptedData;
+import sun.security.krb5.Asn1Exception;
+import sun.security.krb5.RealmException;
+import sun.security.util.*;
+import java.util.Vector;
+import java.io.IOException;
+import java.math.BigInteger;
+
+/**
+ * Implements the ASN.1 Authenticator type.
+ *
+ * <xmp>
+ * KRB-CRED ::= [APPLICATION 22] SEQUENCE {
+ * pvno [0] INTEGER (5),
+ * msg-type [1] INTEGER (22),
+ * tickets [2] SEQUENCE OF Ticket,
+ * enc-part [3] EncryptedData -- EncKrbCredPart
+ * }
+ * </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 KRBCred {
+ public Ticket[] tickets = null;
+ public EncryptedData encPart;
+
+ private int pvno;
+ private int msgType;
+
+ public KRBCred(Ticket[] new_tickets, EncryptedData new_encPart) throws IOException {
+ pvno = Krb5.PVNO;
+ msgType = Krb5.KRB_CRED;
+ if (new_tickets != null) {
+ tickets = new Ticket[new_tickets.length];
+ for (int i = 0; i < new_tickets.length; i++) {
+ if (new_tickets[i] == null) {
+ throw new IOException("Cannot create a KRBCred");
+ } else {
+ tickets[i] = (Ticket)new_tickets[i].clone();
+ }
+ }
+ }
+ encPart = new_encPart;
+ }
+
+ public KRBCred(byte[] data) throws Asn1Exception,
+ RealmException, KrbApErrException, IOException {
+ init(new DerValue(data));
+ }
+
+ public KRBCred(DerValue encoding) throws Asn1Exception,
+ RealmException, KrbApErrException, IOException {
+ init(encoding);
+ }
+
+ /**
+ * Initializes an KRBCred 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 KrbApErrException if the value read from the DER-encoded data
+ * stream does not match the pre-defined value.
+ * @exception RealmException if an error occurs while parsing a Realm object.
+ */
+ private void init(DerValue encoding) throws Asn1Exception,
+ RealmException, KrbApErrException, IOException {
+ if (((encoding.getTag() & (byte)0x1F) != (byte)0x16)
+ || (encoding.isApplication() != true)
+ || (encoding.isConstructed() != true))
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ DerValue der, subDer;
+ der = encoding.getData().getDerValue();
+ if (der.getTag() != DerValue.tag_Sequence)
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ subDer = der.getData().getDerValue();
+ if ((subDer.getTag() & 0x1F) == 0x00) {
+ pvno = subDer.getData().getBigInteger().intValue();
+ if (pvno != Krb5.PVNO) {
+ throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
+ }
+ }
+ else
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ subDer = der.getData().getDerValue();
+ if ((subDer.getTag() & 0x1F) == 0x01) {
+ msgType = subDer.getData().getBigInteger().intValue();
+ if (msgType != Krb5.KRB_CRED)
+ throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE);
+ }
+ else
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ subDer = der.getData().getDerValue();
+ if ((subDer.getTag() & 0x1F) == 0x02) {
+ DerValue subsubDer = subDer.getData().getDerValue();
+ if (subsubDer.getTag() != DerValue.tag_SequenceOf) {
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ }
+ Vector<Ticket> v = new Vector<Ticket> ();
+ while (subsubDer.getData().available() > 0) {
+ v.addElement(new Ticket(subsubDer.getData().getDerValue()));
+ }
+ if (v.size() > 0) {
+ tickets = new Ticket[v.size()];
+ v.copyInto(tickets);
+ }
+ }
+ else
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ encPart = EncryptedData.parse(der.getData(), (byte)0x03, false);
+
+ if (der.getData().available() > 0)
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ }
+
+
+ /**
+ * Encodes an KRBCred object.
+ * @return the data of encoded EncAPRepPart 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 temp, bytes, out;
+ temp = new DerOutputStream();
+ temp.putInteger(BigInteger.valueOf(pvno));
+ out = new DerOutputStream();
+ out.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
+ temp = new DerOutputStream();
+ temp.putInteger(BigInteger.valueOf(msgType));
+ out.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
+ temp = new DerOutputStream();
+ for (int i = 0; i < tickets.length; i++) {
+ temp.write(tickets[i].asn1Encode());
+ }
+ bytes = new DerOutputStream();
+ bytes.write(DerValue.tag_SequenceOf, temp);
+ out.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), bytes);
+ out.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), encPart.asn1Encode());
+ bytes = new DerOutputStream();
+ bytes.write(DerValue.tag_Sequence, out);
+ out = new DerOutputStream();
+ out.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x16), bytes);
+ return out.toByteArray();
+ }
+
+}