202 lines
8.4 KiB
Java
202 lines
8.4 KiB
Java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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*
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* (C) Copyright IBM Corp. 1999 All Rights Reserved.
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* Copyright 1997 The Open Group Research Institute. All rights reserved.
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*/
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package sun.security.krb5.internal;
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import sun.security.krb5.*;
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import sun.security.util.*;
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import java.util.Vector;
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import java.io.IOException;
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/**
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* Implements the ASN.1 KrbCredInfo type.
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*
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* <pre>{@code
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* KrbCredInfo ::= SEQUENCE {
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* key [0] EncryptionKey,
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* prealm [1] Realm OPTIONAL,
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* pname [2] PrincipalName OPTIONAL,
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* flags [3] TicketFlags OPTIONAL,
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* authtime [4] KerberosTime OPTIONAL,
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* starttime [5] KerberosTime OPTIONAL,
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* endtime [6] KerberosTime OPTIONAL,
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* renew-till [7] KerberosTime OPTIONAL,
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* srealm [8] Realm OPTIONAL,
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* sname [9] PrincipalName OPTIONAL,
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* caddr [10] HostAddresses OPTIONAL
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* }
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* }</pre>
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*
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* <p>
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* This definition reflects the Network Working Group RFC 4120
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* specification available at
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* <a href="http://www.ietf.org/rfc/rfc4120.txt">
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* http://www.ietf.org/rfc/rfc4120.txt</a>.
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*/
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public class KrbCredInfo {
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public EncryptionKey key;
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public PrincipalName pname; //optional
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public TicketFlags flags; //optional
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public KerberosTime authtime; //optional
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public KerberosTime starttime; //optional
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public KerberosTime endtime; //optional
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public KerberosTime renewTill; //optional
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public PrincipalName sname; //optional
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public HostAddresses caddr; //optional
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private KrbCredInfo() {
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}
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public KrbCredInfo(
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EncryptionKey new_key,
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PrincipalName new_pname,
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TicketFlags new_flags,
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KerberosTime new_authtime,
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KerberosTime new_starttime,
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KerberosTime new_endtime,
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KerberosTime new_renewTill,
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PrincipalName new_sname,
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HostAddresses new_caddr
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) {
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key = new_key;
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pname = new_pname;
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flags = new_flags;
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authtime = new_authtime;
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starttime = new_starttime;
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endtime = new_endtime;
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renewTill = new_renewTill;
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sname = new_sname;
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caddr = new_caddr;
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}
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/**
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* Constructs a KrbCredInfo object.
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* @param encoding a Der-encoded data.
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
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* @exception IOException if an I/O error occurs while reading encoded data.
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* @exception RealmException if an error occurs while parsing a Realm object.
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*/
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public KrbCredInfo(DerValue encoding)
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throws Asn1Exception, IOException, RealmException{
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if (encoding.getTag() != DerValue.tag_Sequence) {
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throw new Asn1Exception(Krb5.ASN1_BAD_ID);
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}
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pname = null;
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flags = null;
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authtime = null;
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starttime = null;
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endtime = null;
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renewTill = null;
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sname = null;
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caddr = null;
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key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false);
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Realm prealm = null, srealm = null;
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if (encoding.getData().available() > 0)
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prealm = Realm.parse(encoding.getData(), (byte)0x01, true);
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if (encoding.getData().available() > 0)
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pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true, prealm);
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if (encoding.getData().available() > 0)
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flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true);
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if (encoding.getData().available() > 0)
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authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true);
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if (encoding.getData().available() > 0)
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starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true);
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if (encoding.getData().available() > 0)
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endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true);
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if (encoding.getData().available() > 0)
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renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true);
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if (encoding.getData().available() > 0)
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srealm = Realm.parse(encoding.getData(), (byte)0x08, true);
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if (encoding.getData().available() > 0)
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sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true, srealm);
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if (encoding.getData().available() > 0)
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caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true);
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if (encoding.getData().available() > 0)
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throw new Asn1Exception(Krb5.ASN1_BAD_ID);
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}
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/**
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* Encodes an KrbCredInfo object.
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* @return the byte array of encoded KrbCredInfo object.
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
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* @exception IOException if an I/O error occurs while reading encoded data.
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*/
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public byte[] asn1Encode() throws Asn1Exception, IOException {
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Vector<DerValue> v = new Vector<>();
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode()));
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if (pname != null) {
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), pname.getRealm().asn1Encode()));
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode()));
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}
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if (flags != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode()));
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if (authtime != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode()));
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if (starttime != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode()));
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if (endtime != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode()));
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if (renewTill != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode()));
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if (sname != null) {
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), sname.getRealm().asn1Encode()));
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode()));
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}
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if (caddr != null)
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v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode()));
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DerValue der[] = new DerValue[v.size()];
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v.copyInto(der);
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DerOutputStream out = new DerOutputStream();
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out.putSequence(der);
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return out.toByteArray();
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}
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public Object clone() {
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KrbCredInfo kcred = new KrbCredInfo();
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kcred.key = (EncryptionKey)key.clone();
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// optional fields
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if (pname != null)
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kcred.pname = (PrincipalName)pname.clone();
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if (flags != null)
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kcred.flags = (TicketFlags)flags.clone();
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kcred.authtime = authtime;
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kcred.starttime = starttime;
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kcred.endtime = endtime;
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kcred.renewTill = renewTill;
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if (sname != null)
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kcred.sname = (PrincipalName)sname.clone();
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if (caddr != null)
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kcred.caddr = (HostAddresses)caddr.clone();
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return kcred;
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}
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}
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