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.*; 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 * <pre>{@code 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 * }</pre> 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 PrincipalName pname; //optional 67 public TicketFlags flags; //optional 68 public KerberosTime authtime; //optional 69 public KerberosTime starttime; //optional 70 public KerberosTime endtime; //optional 71 public KerberosTime renewTill; //optional 72 public PrincipalName sname; //optional 73 public HostAddresses caddr; //optional 74 KrbCredInfo()75 private KrbCredInfo() { 76 } 77 KrbCredInfo( EncryptionKey new_key, PrincipalName new_pname, TicketFlags new_flags, KerberosTime new_authtime, KerberosTime new_starttime, KerberosTime new_endtime, KerberosTime new_renewTill, PrincipalName new_sname, HostAddresses new_caddr )78 public KrbCredInfo( 79 EncryptionKey new_key, 80 PrincipalName new_pname, 81 TicketFlags new_flags, 82 KerberosTime new_authtime, 83 KerberosTime new_starttime, 84 KerberosTime new_endtime, 85 KerberosTime new_renewTill, 86 PrincipalName new_sname, 87 HostAddresses new_caddr 88 ) { 89 key = new_key; 90 pname = new_pname; 91 flags = new_flags; 92 authtime = new_authtime; 93 starttime = new_starttime; 94 endtime = new_endtime; 95 renewTill = new_renewTill; 96 sname = new_sname; 97 caddr = new_caddr; 98 } 99 100 /** 101 * Constructs a KrbCredInfo object. 102 * @param encoding a Der-encoded data. 103 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. 104 * @exception IOException if an I/O error occurs while reading encoded data. 105 * @exception RealmException if an error occurs while parsing a Realm object. 106 */ KrbCredInfo(DerValue encoding)107 public KrbCredInfo(DerValue encoding) 108 throws Asn1Exception, IOException, RealmException{ 109 if (encoding.getTag() != DerValue.tag_Sequence) { 110 throw new Asn1Exception(Krb5.ASN1_BAD_ID); 111 } 112 pname = null; 113 flags = null; 114 authtime = null; 115 starttime = null; 116 endtime = null; 117 renewTill = null; 118 sname = null; 119 caddr = null; 120 key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false); 121 Realm prealm = null, srealm = null; 122 if (encoding.getData().available() > 0) 123 prealm = Realm.parse(encoding.getData(), (byte)0x01, true); 124 if (encoding.getData().available() > 0) 125 pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true, prealm); 126 if (encoding.getData().available() > 0) 127 flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true); 128 if (encoding.getData().available() > 0) 129 authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true); 130 if (encoding.getData().available() > 0) 131 starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true); 132 if (encoding.getData().available() > 0) 133 endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true); 134 if (encoding.getData().available() > 0) 135 renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true); 136 if (encoding.getData().available() > 0) 137 srealm = Realm.parse(encoding.getData(), (byte)0x08, true); 138 if (encoding.getData().available() > 0) 139 sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true, srealm); 140 if (encoding.getData().available() > 0) 141 caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true); 142 if (encoding.getData().available() > 0) 143 throw new Asn1Exception(Krb5.ASN1_BAD_ID); 144 } 145 146 /** 147 * Encodes an KrbCredInfo object. 148 * @return the byte array of encoded KrbCredInfo object. 149 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. 150 * @exception IOException if an I/O error occurs while reading encoded data. 151 */ asn1Encode()152 public byte[] asn1Encode() throws Asn1Exception, IOException { 153 Vector<DerValue> v = new Vector<>(); 154 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode())); 155 if (pname != null) { 156 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), pname.getRealm().asn1Encode())); 157 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode())); 158 } 159 if (flags != null) 160 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode())); 161 if (authtime != null) 162 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode())); 163 if (starttime != null) 164 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode())); 165 if (endtime != null) 166 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode())); 167 if (renewTill != null) 168 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode())); 169 if (sname != null) { 170 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), sname.getRealm().asn1Encode())); 171 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode())); 172 } 173 if (caddr != null) 174 v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode())); 175 DerValue[] der = new DerValue[v.size()]; 176 v.copyInto(der); 177 DerOutputStream out = new DerOutputStream(); 178 out.putSequence(der); 179 return out.toByteArray(); 180 } 181 clone()182 public Object clone() { 183 KrbCredInfo kcred = new KrbCredInfo(); 184 kcred.key = (EncryptionKey)key.clone(); 185 // optional fields 186 if (pname != null) 187 kcred.pname = (PrincipalName)pname.clone(); 188 if (flags != null) 189 kcred.flags = (TicketFlags)flags.clone(); 190 kcred.authtime = authtime; 191 kcred.starttime = starttime; 192 kcred.endtime = endtime; 193 kcred.renewTill = renewTill; 194 if (sname != null) 195 kcred.sname = (PrincipalName)sname.clone(); 196 if (caddr != null) 197 kcred.caddr = (HostAddresses)caddr.clone(); 198 return kcred; 199 } 200 201 } 202