/* * Copyright (c) 2021, 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.
*/
// Create 2 KDCs that has almost the same settings
OneKDC[] kdcs = new OneKDC[2]; boolean[] touched = newboolean[2]; for (int i = 0; i < 2; i++) { finalint pos = i;
kdcs[i] = new OneKDC(null) { protectedbyte[] processTgsReq(byte[] in) throws Exception {
touched[pos] = true; returnsuper.processTgsReq(in);
}
};
kdcs[i].setOption(KDC.Option.ALLOW_S4U2SELF,
List.of(OneKDC.USER + "@" + OneKDC.REALM));
kdcs[i].setOption(KDC.Option.ALLOW_S4U2PROXY, Map.of(
OneKDC.USER + "@" + OneKDC.REALM,
List.of(OneKDC.BACKEND + "@" + OneKDC.REALM)));
}
kdcs[0].writeJAASConf();
// except that the 1st issues a non-forwardable S4U2self // ticket and only the 2nd accepts it
kdcs[0].setOption(KDC.Option.S4U2SELF_NOT_FORWARDABLE, true);
kdcs[1].setOption(KDC.Option.S4U2SELF_ALLOW_NOT_FORWARDABLE, true);
Context c = Context.fromJAAS("client");
c = c.impersonate(OneKDC.USER2);
c.startAsClient(OneKDC.BACKEND, GSSUtil.GSS_KRB5_MECH_OID);
c.take(newbyte[0]);
Asserts.assertTrue(touched[0]); // get S4U2self from 1st one
Asserts.assertTrue(touched[1]); // get S4U2proxy from 2nd one
}
}
Messung V0.5
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