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/*
* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
* Copyright 1997 The Open Group Research Institute. All rights reserved.
*/
package sun.security.krb5;
import sun.security.krb5.internal.*;
import sun.security.krb5.internal.crypto.Nonce;
import sun.security.krb5.internal.crypto.KeyUsage;
import java.io.IOException;
/**
* This class encapsulates the KRB-AS-REQ message that the client
* sends to the KDC.
*/
public class KrbAsReq {
private ASReq asReqMessg;
private boolean DEBUG = Krb5.DEBUG;
/**
* Constructs an AS-REQ message.
*/
// Can be null? has default?
public KrbAsReq(EncryptionKey pakey, // ok
KDCOptions options, // ok, new KDCOptions()
PrincipalName cname, // NO and must have realm
PrincipalName sname, // ok, krgtgt@CREALM
KerberosTime from, // ok
KerberosTime till, // ok, will use
KerberosTime rtime, // ok
int[] eTypes, // NO
HostAddresses addresses // ok
)
throws KrbException, IOException {
if (options == null) {
options = new KDCOptions();
}
// check if they are valid arguments. The optional fields should be
// consistent with settings in KDCOptions. Mar 17 2000
if (options.get(KDCOptions.FORWARDED) ||
options.get(KDCOptions.PROXY) ||
options.get(KDCOptions.ENC_TKT_IN_SKEY) ||
options.get(KDCOptions.RENEW) ||
options.get(KDCOptions.VALIDATE)) {
// this option is only specified in a request to the
// ticket-granting server
throw new KrbException(Krb5.KRB_AP_ERR_REQ_OPTIONS);
}
if (options.get(KDCOptions.POSTDATED)) {
// if (from == null)
// throw new KrbException(Krb5.KRB_AP_ERR_REQ_OPTIONS);
} else {
if (from != null) from = null;
}
if (options.get(KDCOptions.RENEWABLE)) {
// if (rtime == null)
// throw new KrbException(Krb5.KRB_AP_ERR_REQ_OPTIONS);
} else {
if (rtime != null) rtime = null;
}
PAData[] paData = null;
if (pakey != null) {
PAEncTSEnc ts = new PAEncTSEnc();
byte[] temp = ts.asn1Encode();
EncryptedData encTs = new EncryptedData(pakey, temp,
KeyUsage.KU_PA_ENC_TS);
paData = new PAData[1];
paData[0] = new PAData( Krb5.PA_ENC_TIMESTAMP,
encTs.asn1Encode());
}
if (cname.getRealm() == null) {
throw new RealmException(Krb5.REALM_NULL,
"default realm not specified ");
}
if (DEBUG) {
System.out.println(">>> KrbAsReq creating message");
}
// check to use addresses in tickets
if (addresses == null && Config.getInstance().useAddresses()) {
addresses = HostAddresses.getLocalAddresses();
}
if (sname == null) {
String realm = cname.getRealmAsString();
sname = PrincipalName.tgsService(realm, realm);
}
if (till == null) {
till = new KerberosTime(0); // Choose KDC maximum allowed
}
// enc-authorization-data and additional-tickets never in AS-REQ
KDCReqBody kdc_req_body = new KDCReqBody(options,
cname,
sname,
from,
till,
rtime,
Nonce.value(),
eTypes,
addresses,
null,
null);
asReqMessg = new ASReq(
paData,
kdc_req_body);
}
byte[] encoding() throws IOException, Asn1Exception {
return asReqMessg.asn1Encode();
}
// Used by KrbAsRep to validate AS-REP
ASReq getMessage() {
return asReqMessg;
}
}
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