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 S4U2self.java 29 * @run main/othervm -Dsun.security.krb5.debug=false S4U2self krb5 0 30 * @run main/othervm/fail -Dsun.security.krb5.debug=false S4U2self krb5 1 31 * @run main/othervm/fail -Dsun.security.krb5.debug=false S4U2self krb5 2 32 * @run main/othervm/fail -Dsun.security.krb5.debug=false S4U2self krb5 3 33 * @run main/othervm/fail -Dsun.security.krb5.debug=false S4U2self krb5 4 34 * @run main/othervm/fail -Dsun.security.krb5.debug=false S4U2self krb5 5 35 * @run main/othervm -Dsun.security.krb5.debug=false S4U2self spnego 36 */ 37 38import java.util.Arrays; 39import java.util.HashMap; 40import java.util.List; 41import java.util.Map; 42import org.ietf.jgss.Oid; 43import sun.security.jgss.GSSUtil; 44 45public class S4U2self { 46 47 public static void main(String[] args) throws Exception { 48 // Test case, different policy settings in KDC: 49 // | ALLOW_S4U2SELF on 50 // | USER USER2 none 51 // ALLOW_S4U2PORXY |------------------------- 52 // USER to BACKEND | 0 1 2 53 // USER2 to BACKEND | 3 54 // USER to SERVER | 4 55 // none | 5 56 // 57 // 0 should succeed, all other fail 58 int test = 0; 59 Oid mech; 60 if (args[0].equals("spnego")) { 61 mech = GSSUtil.GSS_SPNEGO_MECH_OID; 62 } else if (args[0].contains("krb5")) { 63 mech = GSSUtil.GSS_KRB5_MECH_OID; 64 test = Integer.parseInt(args[1]); 65 } else { 66 throw new Exception("Unknown mech"); 67 } 68 69 OneKDC kdc = new OneKDC(null); 70 kdc.writeJAASConf(); 71 72 switch (test) { 73 case 1: 74 kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList( 75 new String[]{OneKDC.USER2 + "@" + OneKDC.REALM})); 76 break; 77 case 2: 78 // No S4U2self 79 break; 80 default: 81 kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList( 82 new String[]{OneKDC.USER + "@" + OneKDC.REALM})); 83 break; 84 } 85 86 Map<String,List<String>> map = new HashMap<>(); 87 switch (test) { 88 case 3: 89 map.put(OneKDC.USER2 + "@" + OneKDC.REALM, Arrays.asList( 90 new String[]{OneKDC.BACKEND + "@" + OneKDC.REALM})); 91 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 92 break; 93 case 4: 94 map.put(OneKDC.USER + "@" + OneKDC.REALM, Arrays.asList( 95 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM})); 96 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 97 break; 98 case 5: 99 // No S4U2proxy set 100 break; 101 default: 102 map.put(OneKDC.USER + "@" + OneKDC.REALM, Arrays.asList( 103 new String[]{OneKDC.BACKEND + "@" + OneKDC.REALM})); 104 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map); 105 break; 106 } 107 108 Context c, s; 109 c = Context.fromJAAS("client"); 110 111 c = c.impersonate(OneKDC.USER2); 112 c.status(); 113 114 c.startAsClient(OneKDC.BACKEND, mech); 115 116 s = Context.fromJAAS("backend"); 117 s.startAsServer(mech); 118 119 Context.handshake(c, s); 120 121 Context.transmit("i say high --", c, s); 122 Context.transmit(" you say low", s, c); 123 124 c.status(); 125 s.status(); 126 127 String n1 = c.x().getSrcName().toString().split("@")[0]; 128 String n2 = s.x().getSrcName().toString().split("@")[0]; 129 if (!n1.equals(OneKDC.USER2) || !n2.equals(OneKDC.USER2)) { 130 throw new Exception("Impersonate failed"); 131 } 132 133 s.dispose(); 134 c.dispose(); 135 } 136} 137