2
|
1 |
/*
|
|
2 |
* Portions Copyright 2000-2005 Sun Microsystems, Inc. All Rights Reserved.
|
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
7 |
* published by the Free Software Foundation. Sun designates this
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
9 |
* by Sun in the LICENSE file that accompanied this code.
|
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
|
21 |
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
22 |
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
23 |
* have any questions.
|
|
24 |
*/
|
|
25 |
|
|
26 |
/*
|
|
27 |
*
|
|
28 |
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
|
|
29 |
* Copyright 1997 The Open Group Research Institute. All rights reserved.
|
|
30 |
*/
|
|
31 |
|
|
32 |
package sun.security.krb5;
|
|
33 |
|
|
34 |
import sun.security.krb5.internal.*;
|
|
35 |
import sun.security.krb5.internal.crypto.KeyUsage;
|
|
36 |
import sun.security.util.*;
|
|
37 |
import java.io.IOException;
|
|
38 |
|
|
39 |
/**
|
|
40 |
* This class encapsulates a TGS-REP that is sent from the KDC to the
|
|
41 |
* Kerberos client.
|
|
42 |
*/
|
|
43 |
public class KrbTgsRep extends KrbKdcRep {
|
|
44 |
private TGSRep rep;
|
|
45 |
private Credentials creds;
|
|
46 |
private Ticket secondTicket;
|
|
47 |
private static final boolean DEBUG = Krb5.DEBUG;
|
|
48 |
|
|
49 |
KrbTgsRep(byte[] ibuf, KrbTgsReq tgsReq)
|
|
50 |
throws KrbException, IOException {
|
|
51 |
DerValue ref = new DerValue(ibuf);
|
|
52 |
TGSReq req = tgsReq.getMessage();
|
|
53 |
TGSRep rep = null;
|
|
54 |
try {
|
|
55 |
rep = new TGSRep(ref);
|
|
56 |
} catch (Asn1Exception e) {
|
|
57 |
rep = null;
|
|
58 |
KRBError err = new KRBError(ref);
|
|
59 |
String errStr = err.getErrorString();
|
|
60 |
String eText = null; // pick up text sent by the server (if any)
|
|
61 |
if (errStr != null && errStr.length() > 0) {
|
|
62 |
if (errStr.charAt(errStr.length() - 1) == 0)
|
|
63 |
eText = errStr.substring(0, errStr.length() - 1);
|
|
64 |
else
|
|
65 |
eText = errStr;
|
|
66 |
}
|
|
67 |
KrbException ke;
|
|
68 |
if (eText == null) {
|
|
69 |
// no text sent from server
|
|
70 |
ke = new KrbException(err.getErrorCode());
|
|
71 |
} else {
|
|
72 |
// override default text with server text
|
|
73 |
ke = new KrbException(err.getErrorCode(), eText);
|
|
74 |
}
|
|
75 |
ke.initCause(e);
|
|
76 |
throw ke;
|
|
77 |
}
|
|
78 |
byte[] enc_tgs_rep_bytes = rep.encPart.decrypt(tgsReq.tgsReqKey,
|
|
79 |
tgsReq.usedSubkey() ? KeyUsage.KU_ENC_TGS_REP_PART_SUBKEY :
|
|
80 |
KeyUsage.KU_ENC_TGS_REP_PART_SESSKEY);
|
|
81 |
|
|
82 |
byte[] enc_tgs_rep_part = rep.encPart.reset(enc_tgs_rep_bytes, true);
|
|
83 |
ref = new DerValue(enc_tgs_rep_part);
|
|
84 |
EncTGSRepPart enc_part = new EncTGSRepPart(ref);
|
|
85 |
rep.ticket.sname.setRealm(rep.ticket.realm);
|
|
86 |
rep.encKDCRepPart = enc_part;
|
|
87 |
|
|
88 |
check(req, rep);
|
|
89 |
|
|
90 |
creds = new Credentials(rep.ticket,
|
|
91 |
req.reqBody.cname,
|
|
92 |
rep.ticket.sname,
|
|
93 |
enc_part.key,
|
|
94 |
enc_part.flags,
|
|
95 |
enc_part.authtime,
|
|
96 |
enc_part.starttime,
|
|
97 |
enc_part.endtime,
|
|
98 |
enc_part.renewTill,
|
|
99 |
enc_part.caddr
|
|
100 |
);
|
|
101 |
this.rep = rep;
|
|
102 |
this.creds = creds;
|
|
103 |
this.secondTicket = tgsReq.getSecondTicket();
|
|
104 |
}
|
|
105 |
|
|
106 |
/**
|
|
107 |
* Return the credentials that were contained in this KRB-TGS-REP.
|
|
108 |
*/
|
|
109 |
public Credentials getCreds() {
|
|
110 |
return creds;
|
|
111 |
}
|
|
112 |
|
|
113 |
sun.security.krb5.internal.ccache.Credentials setCredentials() {
|
|
114 |
return new sun.security.krb5.internal.ccache.Credentials(rep, secondTicket);
|
|
115 |
}
|
|
116 |
}
|