1 /* 2 * Copyright (c) 2012, 2018, 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 8194486 27 * @summary Introduce constrained Kerberos delegation 28 * @library /test/lib 29 * @compile -XDignore.symbol.file S4U2selfAsServerGSS.java 30 * @run main jdk.test.lib.FileInstaller TestHosts TestHosts 31 * @run main/othervm -Djdk.net.hosts.file=TestHosts 32 * -Djavax.security.auth.useSubjectCredsOnly=false 33 * S4U2selfAsServerGSS krb5 34 * @run main/othervm -Djdk.net.hosts.file=TestHosts 35 * -Djavax.security.auth.useSubjectCredsOnly=false 36 * S4U2selfAsServerGSS spnego 37 */ 38 39 import java.io.File; 40 import java.io.FileOutputStream; 41 import java.security.Security; 42 import java.util.Arrays; 43 import java.util.HashMap; 44 import java.util.List; 45 import java.util.Map; 46 import org.ietf.jgss.Oid; 47 import sun.security.jgss.GSSUtil; 48 49 public class S4U2selfAsServerGSS { 50 main(String[] args)51 public static void main(String[] args) throws Exception { 52 Oid mech; 53 if (args[0].equals("spnego")) { 54 mech = GSSUtil.GSS_SPNEGO_MECH_OID; 55 } else if (args[0].contains("krb5")) { 56 mech = GSSUtil.GSS_KRB5_MECH_OID; 57 } else { 58 throw new Exception("Unknown mech"); 59 } 60 61 OneKDC kdc = new OneKDC(null); 62 kdc.writeJAASConf(); 63 kdc.setOption(KDC.Option.PREAUTH_REQUIRED, false); 64 Map<String,List<String>> map = new HashMap<>(); 65 map.put(OneKDC.SERVER + "@" + OneKDC.REALM, Arrays.asList( 66 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM})); 67 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 68 kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList( 69 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM})); 70 71 Context s, b; 72 System.setProperty("javax.security.auth.useSubjectCredsOnly", "false"); 73 System.setProperty("java.security.auth.login.config", OneKDC.JAAS_CONF); 74 File f = new File(OneKDC.JAAS_CONF); 75 FileOutputStream fos = new FileOutputStream(f); 76 fos.write(( 77 "com.sun.security.jgss.krb5.accept {\n" + 78 " com.sun.security.auth.module.Krb5LoginModule required\n" + 79 " principal=\"" + OneKDC.SERVER + "\"\n" + 80 " useKeyTab=true\n" + 81 " storeKey=true;\n};\n" 82 ).getBytes()); 83 fos.close(); 84 Security.setProperty("auth.login.defaultCallbackHandler", "OneKDC$CallbackForClient"); 85 s = Context.fromThinAir(); 86 b = Context.fromThinAir(); 87 s.startAsServer(mech); 88 89 Context p = s.impersonate(OneKDC.USER); 90 91 p.startAsClient(OneKDC.SERVER, mech); 92 b.startAsServer(mech); 93 Context.handshake(p, b); 94 95 String n1 = p.x().getSrcName().toString().split("@")[0]; 96 String n2 = b.x().getSrcName().toString().split("@")[0]; 97 if (!n1.equals(OneKDC.USER) || !n2.equals(OneKDC.USER)) { 98 throw new Exception("Delegation failed"); 99 } 100 } 101 } 102