author | mbalao |
Wed, 05 Jun 2019 01:42:11 -0300 | |
changeset 55258 | d65d3c37232c |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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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.util.*; |
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import sun.security.krb5.Asn1Exception; |
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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 LastReq type. |
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* |
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* <pre>{@code |
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* LastReq ::= SEQUENCE OF SEQUENCE { |
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* lr-type [0] Int32, |
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* lr-value [1] KerberosTime |
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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 LastReq { |
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private LastReqEntry[] entry = null; |
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public LastReq(LastReqEntry[] entries) throws IOException { |
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if (entries != null) { |
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entry = new LastReqEntry[entries.length]; |
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for (int i = 0; i < entries.length; i++) { |
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if (entries[i] == null) { |
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throw new IOException("Cannot create a LastReqEntry"); |
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} else { |
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entry[i] = (LastReqEntry)entries[i].clone(); |
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} |
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} |
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} |
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} |
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/** |
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* Constructs a LastReq 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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*/ |
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public LastReq(DerValue encoding) throws Asn1Exception, IOException { |
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f47f211cd627
7008713: diamond conversion of kerberos5 and security tools
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Vector<LastReqEntry> v= new Vector<>(); |
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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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while (encoding.getData().available() > 0) { |
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v.addElement(new LastReqEntry(encoding.getData().getDerValue())); |
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} |
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if (v.size() > 0) { |
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entry = new LastReqEntry[v.size()]; |
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v.copyInto(entry); |
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} |
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} |
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/** |
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* Encodes an LastReq object. |
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* @return the byte array of encoded LastReq 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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DerOutputStream bytes = new DerOutputStream(); |
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if (entry != null && entry.length > 0) { |
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DerOutputStream temp = new DerOutputStream(); |
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for (int i = 0; i < entry.length; i++) |
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temp.write(entry[i].asn1Encode()); |
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bytes.write(DerValue.tag_Sequence, temp); |
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return bytes.toByteArray(); |
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} |
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return null; |
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} |
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/** |
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* Parse (unmarshal) a last request from a DER input stream. This form |
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* parsing might be used when expanding a value which is part of |
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* a constructed sequence and uses explicitly tagged type. |
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* |
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* @exception Asn1Exception on error. |
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* @param data the Der input stream value, which contains one or more marshaled value. |
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* @param explicitTag tag number. |
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* @param optional indicates if this data field is optional |
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* @return an instance of LastReq. |
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* |
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*/ |
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public static LastReq parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException { |
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if ((optional) && (((byte)data.peekByte() & (byte)0x1F) != explicitTag)) |
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return null; |
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DerValue der = data.getDerValue(); |
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if (explicitTag != (der.getTag() & (byte)0x1F)) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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else { |
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DerValue subDer = der.getData().getDerValue(); |
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return new LastReq(subDer); |
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} |
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} |
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} |