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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ bug 6355584 8044215 8194486
* @ summary Introduce constrained Kerberos delegation
* @ library / test / lib
* @ compile - XDignore . symbol . file S4U2proxy . java
* @ run main jdk . test . lib . FileInstaller TestHosts TestHosts
* @ run main / othervm - Djdk . net . hosts . file = TestHosts S4U2proxy krb5
* @ run main / othervm - Djdk . net . hosts . file = TestHosts S4U2proxy spnego
*/
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.ietf.jgss.Oid;
import sun.security.jgss.GSSUtil;
public class S4U2proxy {
public static void main(String[] args) throws Exception {
Oid mech;
if (args[0 ].equals("spnego" )) {
mech = GSSUtil.GSS_SPNEGO_MECH_OID;
} else if (args[0 ].contains("krb5" )) {
mech = GSSUtil.GSS_KRB5_MECH_OID;
} else {
throw new Exception("Unknown mech" );
}
OneKDC kdc = new OneKDC(null );
kdc.writeJAASConf();
kdc.setOption(KDC.Option.PREAUTH_REQUIRED, false );
Map<String,List<String>> map = new HashMap<>();
map.put(OneKDC.SERVER + "@" + OneKDC.REALM, Arrays.asList(
new String[]{OneKDC.BACKEND + "@" + OneKDC.REALM}));
kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map);
Context c, s, b;
c = Context.fromJAAS("client" );
s = Context.fromJAAS("server" );
b = Context.fromJAAS("backend" );
c.startAsClient(OneKDC.SERVER, mech);
s.startAsServer(null , mech, false );
Context.handshake(c, s);
Context p = s.delegated();
p.startAsClient(OneKDC.BACKEND, mech);
// 8044215: requestCredDeleg is useless and harmless
p.x().requestCredDeleg(true );
b.startAsServer(mech);
Context.handshake(p, b);
p.startAsClient(OneKDC.BACKEND, mech);
b.startAsServer(mech);
Context.handshake(p, b);
}
}
Messung V0.5 in Prozent C=95 H=97 G=95
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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