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 * @compile -XDignore.symbol.file S4U2proxyGSS.java 29 * @run main/othervm -Dsun.net.spi.nameservice.provider.1=ns,mock -Djavax.security.auth.useSubjectCredsOnly=false S4U2proxyGSS krb5 30 * @run main/othervm -Dsun.net.spi.nameservice.provider.1=ns,mock -Djavax.security.auth.useSubjectCredsOnly=false S4U2proxyGSS spnego 31 */ 32 33 import java.io.File; 34 import java.io.FileOutputStream; 35 import java.security.Security; 36 import java.util.Arrays; 37 import java.util.HashMap; 38 import java.util.List; 39 import java.util.Map; 40 import org.ietf.jgss.Oid; 41 import sun.security.jgss.GSSUtil; 42 43 public class S4U2proxyGSS { 44 main(String[] args)45 public static void main(String[] args) throws Exception { 46 Oid mech; 47 if (args[0].equals("spnego")) { 48 mech = GSSUtil.GSS_SPNEGO_MECH_OID; 49 } else if (args[0].contains("krb5")) { 50 mech = GSSUtil.GSS_KRB5_MECH_OID; 51 } else { 52 throw new Exception("Unknown mech"); 53 } 54 55 OneKDC kdc = new OneKDC(null); 56 kdc.writeJAASConf(); 57 kdc.setOption(KDC.Option.PREAUTH_REQUIRED, false); 58 Map<String,List<String>> map = new HashMap<>(); 59 map.put(OneKDC.SERVER + "@" + OneKDC.REALM, Arrays.asList( 60 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM})); 61 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 62 63 Context c, s, b; 64 System.setProperty("javax.security.auth.useSubjectCredsOnly", "false"); 65 System.setProperty("java.security.auth.login.config", OneKDC.JAAS_CONF); 66 File f = new File(OneKDC.JAAS_CONF); 67 FileOutputStream fos = new FileOutputStream(f); 68 fos.write(( 69 "com.sun.security.jgss.krb5.initiate {\n" + 70 " com.sun.security.auth.module.Krb5LoginModule required;\n};\n" + 71 "com.sun.security.jgss.krb5.accept {\n" + 72 " com.sun.security.auth.module.Krb5LoginModule required\n" + 73 " principal=\"" + OneKDC.SERVER + "\"\n" + 74 " useKeyTab=true\n" + 75 " storeKey=true;\n};\n" 76 ).getBytes()); 77 fos.close(); 78 Security.setProperty("auth.login.defaultCallbackHandler", "OneKDC$CallbackForClient"); 79 c = Context.fromThinAir(); 80 s = Context.fromThinAir(); 81 b = Context.fromThinAir(); 82 c.startAsClient(OneKDC.SERVER, mech); 83 c.x().requestCredDeleg(false); 84 s.startAsServer(mech); 85 86 Context.handshake(c, s); 87 Context p = s.delegated(); 88 p.startAsClient(OneKDC.SERVER, mech); 89 b.startAsServer(mech); 90 Context.handshake(p, b); 91 92 String n1 = p.x().getSrcName().toString().split("@")[0]; 93 String n2 = b.x().getSrcName().toString().split("@")[0]; 94 if (!n1.equals(OneKDC.USER) || !n2.equals(OneKDC.USER)) { 95 throw new Exception("Delegation failed"); 96 } 97 } 98 } 99