J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 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. Sun designates this |
| 7 | * particular file as subject to the "Classpath" exception as provided |
| 8 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 21 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 22 | * have any 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.*; |
| 34 | import sun.security.util.*; |
| 35 | import java.util.Vector; |
| 36 | import java.io.IOException; |
| 37 | |
| 38 | /** |
| 39 | * Implements the ASN.1 KrbCredInfo type. |
| 40 | * |
| 41 | * <xmp> |
| 42 | * KrbCredInfo ::= SEQUENCE { |
| 43 | * key [0] EncryptionKey, |
| 44 | * prealm [1] Realm OPTIONAL, |
| 45 | * pname [2] PrincipalName OPTIONAL, |
| 46 | * flags [3] TicketFlags OPTIONAL, |
| 47 | * authtime [4] KerberosTime OPTIONAL, |
| 48 | * starttime [5] KerberosTime OPTIONAL, |
| 49 | * endtime [6] KerberosTime OPTIONAL, |
| 50 | * renew-till [7] KerberosTime OPTIONAL, |
| 51 | * srealm [8] Realm OPTIONAL, |
| 52 | * sname [9] PrincipalName OPTIONAL, |
| 53 | * caddr [10] HostAddresses OPTIONAL |
| 54 | * } |
| 55 | * </xmp> |
| 56 | * |
| 57 | * <p> |
| 58 | * This definition reflects the Network Working Group RFC 4120 |
| 59 | * specification available at |
| 60 | * <a href="http://www.ietf.org/rfc/rfc4120.txt"> |
| 61 | * http://www.ietf.org/rfc/rfc4120.txt</a>. |
| 62 | */ |
| 63 | |
| 64 | public class KrbCredInfo { |
| 65 | public EncryptionKey key; |
| 66 | public Realm prealm; //optional |
| 67 | public PrincipalName pname; //optional |
| 68 | public TicketFlags flags; //optional |
| 69 | public KerberosTime authtime; //optional |
| 70 | public KerberosTime starttime; //optional |
| 71 | public KerberosTime endtime; //optional |
| 72 | public KerberosTime renewTill; //optional |
| 73 | public Realm srealm; //optional |
| 74 | public PrincipalName sname; //optional |
| 75 | public HostAddresses caddr; //optional |
| 76 | |
| 77 | private KrbCredInfo() { |
| 78 | } |
| 79 | |
| 80 | public KrbCredInfo( |
| 81 | EncryptionKey new_key, |
| 82 | Realm new_prealm, |
| 83 | PrincipalName new_pname, |
| 84 | TicketFlags new_flags, |
| 85 | KerberosTime new_authtime, |
| 86 | KerberosTime new_starttime, |
| 87 | KerberosTime new_endtime, |
| 88 | KerberosTime new_renewTill, |
| 89 | Realm new_srealm, |
| 90 | PrincipalName new_sname, |
| 91 | HostAddresses new_caddr |
| 92 | ) { |
| 93 | key = new_key; |
| 94 | prealm = new_prealm; |
| 95 | pname = new_pname; |
| 96 | flags = new_flags; |
| 97 | authtime = new_authtime; |
| 98 | starttime = new_starttime; |
| 99 | endtime = new_endtime; |
| 100 | renewTill = new_renewTill; |
| 101 | srealm = new_srealm; |
| 102 | sname = new_sname; |
| 103 | caddr = new_caddr; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Constructs a KrbCredInfo object. |
| 108 | * @param encoding a Der-encoded data. |
| 109 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
| 110 | * @exception IOException if an I/O error occurs while reading encoded data. |
| 111 | * @exception RealmException if an error occurs while parsing a Realm object. |
| 112 | */ |
| 113 | public KrbCredInfo(DerValue encoding) |
| 114 | throws Asn1Exception, IOException, RealmException{ |
| 115 | if (encoding.getTag() != DerValue.tag_Sequence) { |
| 116 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 117 | } |
| 118 | prealm = null; |
| 119 | pname = null; |
| 120 | flags = null; |
| 121 | authtime = null; |
| 122 | starttime = null; |
| 123 | endtime = null; |
| 124 | renewTill = null; |
| 125 | srealm = null; |
| 126 | sname = null; |
| 127 | caddr = null; |
| 128 | key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false); |
| 129 | if (encoding.getData().available() > 0) |
| 130 | prealm = Realm.parse(encoding.getData(), (byte)0x01, true); |
| 131 | if (encoding.getData().available() > 0) |
| 132 | pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true); |
| 133 | if (encoding.getData().available() > 0) |
| 134 | flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true); |
| 135 | if (encoding.getData().available() > 0) |
| 136 | authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true); |
| 137 | if (encoding.getData().available() > 0) |
| 138 | starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true); |
| 139 | if (encoding.getData().available() > 0) |
| 140 | endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true); |
| 141 | if (encoding.getData().available() > 0) |
| 142 | renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true); |
| 143 | if (encoding.getData().available() > 0) |
| 144 | srealm = Realm.parse(encoding.getData(), (byte)0x08, true); |
| 145 | if (encoding.getData().available() > 0) |
| 146 | sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true); |
| 147 | if (encoding.getData().available() > 0) |
| 148 | caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true); |
| 149 | if (encoding.getData().available() > 0) |
| 150 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Encodes an KrbCredInfo object. |
| 155 | * @return the byte array of encoded KrbCredInfo object. |
| 156 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
| 157 | * @exception IOException if an I/O error occurs while reading encoded data. |
| 158 | */ |
| 159 | public byte[] asn1Encode() throws Asn1Exception, IOException { |
| 160 | Vector<DerValue> v = new Vector<DerValue> (); |
| 161 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode())); |
| 162 | if (prealm != null) |
| 163 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), prealm.asn1Encode())); |
| 164 | if (pname != null) |
| 165 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode())); |
| 166 | if (flags != null) |
| 167 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode())); |
| 168 | if (authtime != null) |
| 169 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode())); |
| 170 | if (starttime != null) |
| 171 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode())); |
| 172 | if (endtime != null) |
| 173 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode())); |
| 174 | if (renewTill != null) |
| 175 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode())); |
| 176 | if (srealm != null) |
| 177 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), srealm.asn1Encode())); |
| 178 | if (sname != null) |
| 179 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode())); |
| 180 | if (caddr != null) |
| 181 | v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode())); |
| 182 | DerValue der[] = new DerValue[v.size()]; |
| 183 | v.copyInto(der); |
| 184 | DerOutputStream out = new DerOutputStream(); |
| 185 | out.putSequence(der); |
| 186 | return out.toByteArray(); |
| 187 | } |
| 188 | |
| 189 | public Object clone() { |
| 190 | KrbCredInfo kcred = new KrbCredInfo(); |
| 191 | kcred.key = (EncryptionKey)key.clone(); |
| 192 | // optional fields |
| 193 | if (prealm != null) |
| 194 | kcred.prealm = (Realm)prealm.clone(); |
| 195 | if (pname != null) |
| 196 | kcred.pname = (PrincipalName)pname.clone(); |
| 197 | if (flags != null) |
| 198 | kcred.flags = (TicketFlags)flags.clone(); |
| 199 | if (authtime != null) |
| 200 | kcred.authtime = (KerberosTime)authtime.clone(); |
| 201 | if (starttime != null) |
| 202 | kcred.starttime = (KerberosTime)starttime.clone(); |
| 203 | if (endtime != null) |
| 204 | kcred.endtime = (KerberosTime)endtime.clone(); |
| 205 | if (renewTill != null) |
| 206 | kcred.renewTill = (KerberosTime)renewTill.clone(); |
| 207 | if (srealm != null) |
| 208 | kcred.srealm = (Realm)srealm.clone(); |
| 209 | if (sname != null) |
| 210 | kcred.sname = (PrincipalName)sname.clone(); |
| 211 | if (caddr != null) |
| 212 | kcred.caddr = (HostAddresses)caddr.clone(); |
| 213 | return kcred; |
| 214 | } |
| 215 | |
| 216 | } |