/*
* Copyright ( c ) 2012 , 2018 , 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 .
*
* 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 .
*/
/*
* @ test
* @ bug 8005447 8194486
* @ summary default principal can act as anyone
* @ library / test / lib
* @ compile - XDignore . symbol . file TwoOrThree . java
* @ run main jdk . test . lib . FileInstaller TestHosts TestHosts
* @ run main / othervm - Djdk . net . hosts . file = TestHosts TwoOrThree first first
* @ run main / othervm / fail - Djdk . net . hosts . file = TestHosts TwoOrThree first second
* @ run main / othervm - Djdk . net . hosts . file = TestHosts TwoOrThree - first
* @ run main / othervm - Djdk . net . hosts . file = TestHosts TwoOrThree - second
* @ run main / othervm / fail - Djdk . net . hosts . file = TestHosts TwoOrThree - third
*/
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import javax.security.auth.Subject;
import sun.security.jgss.GSSUtil;
/*
* The JAAS login has two krb5 modules
* 1 . principal is A
* 2 . principal is B
* A named principal can only accept itself . The default principal can accept
* either , but not any other service even if the keytab also include its keys .
*/
public class TwoOrThree {
public static void main(String[] args) throws Exception {
String server = args[0 ].equals("-" ) ? null : args[0 ];
String target = args[1 ];
OneKDC kdc = new OneKDC(null );
kdc.addPrincipal("first" , "first" .toCharArray());
kdc.addPrincipal("second" , "second" .toCharArray());
kdc.addPrincipal("third" , "third" .toCharArray());
kdc.writeKtab(OneKDC.KTAB);
Context c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false );
// Using keytabs
Subject sub4s = new Subject();
Context.fromUserKtab(sub4s, "first" , OneKDC.KTAB, true );
Context s = Context.fromUserKtab(sub4s, "second" , OneKDC.KTAB, true );
c.startAsClient(target, GSSUtil.GSS_KRB5_MECH_OID);
s.startAsServer(server, GSSUtil.GSS_KRB5_MECH_OID);
Context.handshake(c, s);
// Using keys
sub4s = new Subject();
Context.fromUserPass(sub4s, "first" , "first" .toCharArray(), true );
s = Context.fromUserPass(sub4s, "second" , "second" .toCharArray(), true );
c.startAsClient(target, GSSUtil.GSS_KRB5_MECH_OID);
s.startAsServer(server, GSSUtil.GSS_KRB5_MECH_OID);
Context.handshake(c, s);
s.dispose();
c.dispose();
}
}
Messung V0.5 in Prozent C=95 H=91 G=92
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
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