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/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 9999999
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* @summary default principal can act as anyone
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* @compile -XDignore.symbol.file AcceptPermissions.java
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* @run main/othervm AcceptPermissions
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*/
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.security.Permission;
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import javax.security.auth.kerberos.ServicePermission;
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import sun.security.jgss.GSSUtil;
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import java.util.*;
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public class AcceptPermissions extends SecurityManager {
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private static Map<Permission,String> perms = new HashMap<>();
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@Override
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public void checkPermission(Permission perm) {
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if (!(perm instanceof ServicePermission)) {
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return;
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}
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ServicePermission sp = (ServicePermission)perm;
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if (!sp.getActions().equals("accept")) {
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return;
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}
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// We only care about accept ServicePermission in this test
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try {
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super.checkPermission(sp);
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} catch (SecurityException se) {
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if (perms.containsKey(sp)) {
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perms.put(sp, "checked");
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} else {
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throw se; // We didn't expect this is needed
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}
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}
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}
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// Fills in permissions we are expecting
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private static void initPerms(String... names) {
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perms.clear();
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for (String name: names) {
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perms.put(new ServicePermission(
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name + "@" + OneKDC.REALM, "accept"), "expected");
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}
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}
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// Checks if they are all checked
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private static void checkPerms() {
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for (Map.Entry<Permission,String> entry: perms.entrySet()) {
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if (entry.getValue().equals("expected")) {
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throw new RuntimeException(
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"Expected but not used: " + entry.getKey());
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}
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}
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}
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public static void main(String[] args) throws Exception {
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System.setSecurityManager(new AcceptPermissions());
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new OneKDC(null).writeJAASConf();
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String two = "two {\n"
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+ " com.sun.security.auth.module.Krb5LoginModule required"
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+ " principal=\"" + OneKDC.SERVER + "\" useKeyTab=true"
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+ " isInitiator=false storeKey=true;\n"
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+ " com.sun.security.auth.module.Krb5LoginModule required"
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+ " principal=\"" + OneKDC.BACKEND + "\" useKeyTab=true"
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+ " isInitiator=false storeKey=true;\n"
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+ "};\n";
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Files.write(Paths.get(OneKDC.JAAS_CONF), two.getBytes(),
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StandardOpenOption.APPEND);
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Context c, s;
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// In all cases, a ServicePermission on the acceptor name is needed
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// for a handshake. For default principal with no predictable name,
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// permission not needed (yet) for credentials creation.
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// Named principal
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initPerms(OneKDC.SERVER);
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c = Context.fromJAAS("client");
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s = Context.fromJAAS("server");
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c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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s.startAsServer(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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checkPerms();
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initPerms(OneKDC.SERVER);
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Context.handshake(c, s);
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checkPerms();
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// Named principal (even if there are 2 JAAS modules)
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initPerms(OneKDC.SERVER);
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c = Context.fromJAAS("client");
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s = Context.fromJAAS("two");
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c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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s.startAsServer(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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checkPerms();
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initPerms(OneKDC.SERVER);
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Context.handshake(c, s);
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checkPerms();
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// Default principal with a predictable name
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initPerms(OneKDC.SERVER);
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c = Context.fromJAAS("client");
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s = Context.fromJAAS("server");
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c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);
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checkPerms();
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initPerms(OneKDC.SERVER);
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Context.handshake(c, s);
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checkPerms();
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// Default principal with no predictable name
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initPerms(); // permission not needed for cred !!!
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c = Context.fromJAAS("client");
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s = Context.fromJAAS("two");
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c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID);
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s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);
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checkPerms();
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initPerms(OneKDC.SERVER); // still needed for handshake !!!
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Context.handshake(c, s);
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checkPerms();
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}
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}
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