Showing the changes to java/pkg/sun/security/krb5/internal/APRep.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,141 @@ | |||
| 1 | /* | ||
| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 3 | * | ||
| 4 | * This code is free software; you can redistribute it and/or modify it | ||
| 5 | * under the terms of the GNU General Public License version 2 only, as | ||
| 6 | * published by the Free Software Foundation. Oracle designates this | ||
| 7 | * particular file as subject to the "Classpath" exception as provided | ||
| 8 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 9 | * | ||
| 10 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 13 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 14 | * accompanied this code). | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License version | ||
| 17 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 19 | * | ||
| 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 21 | * or visit www.oracle.com if you need additional information or have any | ||
| 22 | * questions. | ||
| 23 | */ | ||
| 24 | |||
| 25 | /* | ||
| 26 | * | ||
| 27 | * (C) Copyright IBM Corp. 1999 All Rights Reserved. | ||
| 28 | * Copyright 1997 The Open Group Research Institute. All rights reserved. | ||
| 29 | */ | ||
| 30 | |||
| 31 | package sun.security.krb5.internal; | ||
| 32 | |||
| 33 | import sun.security.krb5.EncryptedData; | ||
| 34 | import sun.security.krb5.Asn1Exception; | ||
| 35 | import sun.security.util.*; | ||
| 36 | import java.io.IOException; | ||
| 37 | import java.math.BigInteger; | ||
| 38 | |||
| 39 | /** | ||
| 40 | * Implements the ASN.1 AP-REP type. | ||
| 41 | * | ||
| 42 | * <xmp> | ||
| 43 | * AP-REP ::= [APPLICATION 15] SEQUENCE { | ||
| 44 | * pvno [0] INTEGER (5), | ||
| 45 | * msg-type [1] INTEGER (15), | ||
| 46 | * enc-part [2] EncryptedData -- EncAPRepPart | ||
| 47 | * } | ||
| 48 | * </xmp> | ||
| 49 | * | ||
| 50 | * <p> | ||
| 51 | * This definition reflects the Network Working Group RFC 4120 | ||
| 52 | * specification available at | ||
| 53 | * <a href="http://www.ietf.org/rfc/rfc4120.txt"> | ||
| 54 | * http://www.ietf.org/rfc/rfc4120.txt</a>. | ||
| 55 | */ | ||
| 56 | public class APRep { | ||
| 57 | |||
| 58 | public int pvno; | ||
| 59 | public int msgType; | ||
| 60 | public EncryptedData encPart; | ||
| 61 | |||
| 62 | public APRep(EncryptedData new_encPart) { | ||
| 63 | pvno = Krb5.PVNO; | ||
| 64 | msgType = Krb5.KRB_AP_REP; | ||
| 65 | encPart = new_encPart; | ||
| 66 | } | ||
| 67 | |||
| 68 | public APRep(byte[] data) throws Asn1Exception, | ||
| 69 | KrbApErrException, IOException { | ||
| 70 | init(new DerValue(data)); | ||
| 71 | } | ||
| 72 | |||
| 73 | public APRep(DerValue encoding) throws Asn1Exception, | ||
| 74 | KrbApErrException, IOException { | ||
| 75 | init(encoding); | ||
| 76 | } | ||
| 77 | |||
| 78 | /** | ||
| 79 | * Initializes an APRep object. | ||
| 80 | * @param encoding a single DER-encoded value. | ||
| 81 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. | ||
| 82 | * @exception IOException if an I/O error occurs while reading encoded data. | ||
| 83 | * @exception KrbApErrException if the value read from the DER-encoded data | ||
| 84 | * stream does not match the pre-defined value. | ||
| 85 | */ | ||
| 86 | private void init(DerValue encoding) throws Asn1Exception, | ||
| 87 | KrbApErrException, IOException { | ||
| 88 | |||
| 89 | if (((encoding.getTag() & (byte) (0x1F)) != Krb5.KRB_AP_REP) | ||
| 90 | || (encoding.isApplication() != true) | ||
| 91 | || (encoding.isConstructed() != true)) { | ||
| 92 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 93 | } | ||
| 94 | DerValue der = encoding.getData().getDerValue(); | ||
| 95 | if (der.getTag() != DerValue.tag_Sequence) { | ||
| 96 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 97 | } | ||
| 98 | DerValue subDer = der.getData().getDerValue(); | ||
| 99 | if ((subDer.getTag() & (byte) 0x1F) != (byte) 0x00) { | ||
| 100 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 101 | } | ||
| 102 | pvno = subDer.getData().getBigInteger().intValue(); | ||
| 103 | if (pvno != Krb5.PVNO) { | ||
| 104 | throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION); | ||
| 105 | } | ||
| 106 | subDer = der.getData().getDerValue(); | ||
| 107 | if ((subDer.getTag() & (byte) 0x1F) != (byte) 0x01) { | ||
| 108 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 109 | } | ||
| 110 | msgType = subDer.getData().getBigInteger().intValue(); | ||
| 111 | if (msgType != Krb5.KRB_AP_REP) { | ||
| 112 | throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE); | ||
| 113 | } | ||
| 114 | encPart = EncryptedData.parse(der.getData(), (byte) 0x02, false); | ||
| 115 | if (der.getData().available() > 0) { | ||
| 116 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 117 | } | ||
| 118 | } | ||
| 119 | |||
| 120 | /** | ||
| 121 | * Encodes an APRep object. | ||
| 122 | * @return byte array of encoded APRep object. | ||
| 123 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. | ||
| 124 | * @exception IOException if an I/O error occurs while reading encoded data. | ||
| 125 | */ | ||
| 126 | public byte[] asn1Encode() throws Asn1Exception, IOException { | ||
| 127 | DerOutputStream bytes = new DerOutputStream(); | ||
| 128 | DerOutputStream temp = new DerOutputStream(); | ||
| 129 | temp.putInteger(BigInteger.valueOf(pvno)); | ||
| 130 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp); | ||
| 131 | temp = new DerOutputStream(); | ||
| 132 | temp.putInteger(BigInteger.valueOf(msgType)); | ||
| 133 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp); | ||
| 134 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), encPart.asn1Encode()); | ||
| 135 | temp = new DerOutputStream(); | ||
| 136 | temp.write(DerValue.tag_Sequence, bytes); | ||
| 137 | DerOutputStream aprep = new DerOutputStream(); | ||
| 138 | aprep.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte) 0x0F), temp); | ||
| 139 | return aprep.toByteArray(); | ||
| 140 | } | ||
| 141 | } | ||