1 /* 2 * Copyright (c) 2012, Oracle and/or its affiliates. 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6355584 27 * @summary Introduce constrained Kerberos delegation 28 * @modules java.base/sun.net.spi.nameservice 29 * java.base/sun.security.util 30 * java.security.jgss/sun.security.jgss 31 * java.security.jgss/sun.security.krb5 32 * java.security.jgss/sun.security.krb5.internal 33 * java.security.jgss/sun.security.krb5.internal.ccache 34 * java.security.jgss/sun.security.krb5.internal.crypto 35 * java.security.jgss/sun.security.krb5.internal.ktab 36 * @compile -XDignore.symbol.file S4U2selfGSS.java 37 * @run main/othervm -Dsun.security.krb5.debug=false S4U2selfGSS krb5 38 * @run main/othervm -Dsun.security.krb5.debug=false S4U2selfGSS spnego 39 */ 40 41 import java.util.Arrays; 42 import java.util.HashMap; 43 import java.util.List; 44 import java.util.Map; 45 import org.ietf.jgss.Oid; 46 import sun.security.jgss.GSSUtil; 47 48 public class S4U2selfGSS { 49 50 public static void main(String[] args) throws Exception { 51 Oid mech; 52 if (args[0].equals("spnego")) { 53 mech = GSSUtil.GSS_SPNEGO_MECH_OID; 54 } else if (args[0].contains("krb5")) { 55 mech = GSSUtil.GSS_KRB5_MECH_OID; 56 } else { 57 throw new Exception("Unknown mech"); 58 } 59 60 OneKDC kdc = new OneKDC(null); 61 kdc.writeJAASConf(); 62 kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList( 63 new String[]{OneKDC.USER + "@" + OneKDC.REALM})); 64 Map<String,List<String>> map = new HashMap<>(); 65 map.put(OneKDC.USER + "@" + OneKDC.REALM, Arrays.asList( 66 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM})); 67 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 68 69 Context c, s; 70 System.setProperty("javax.security.auth.useSubjectCredsOnly", "false"); 71 c = Context.fromThinAir(); 72 s = Context.fromThinAir(); 73 74 c = c.impersonate(OneKDC.USER2); 75 76 c.startAsClient(OneKDC.SERVER, mech); 77 s.startAsServer(mech); 78 79 Context.handshake(c, s); 80 81 String n1 = c.x().getSrcName().toString().split("@")[0]; 82 String n2 = s.x().getSrcName().toString().split("@")[0]; 83 if (!n1.equals(OneKDC.USER2) || !n2.equals(OneKDC.USER2)) { 84 throw new Exception("Impersonate failed"); 85 } 86 87 s.dispose(); 88 c.dispose(); 89 } 90 }