168 lines
7.1 KiB
Java
168 lines
7.1 KiB
Java
/*
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* Copyright (c) 2012, 2021, 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 8005447
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* @modules java.security.jgss/sun.security.jgss
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* @compile -XDignore.symbol.file ServiceCredsCombination.java
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* @run main ServiceCredsCombination
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* @summary default principal can act as anyone
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*/
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import java.util.Objects;
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import java.util.concurrent.Callable;
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import java.util.concurrent.CompletionException;
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import javax.security.auth.Subject;
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import javax.security.auth.kerberos.KerberosKey;
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import javax.security.auth.kerberos.KerberosPrincipal;
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import javax.security.auth.kerberos.KeyTab;
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import org.ietf.jgss.GSSCredential;
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import org.ietf.jgss.GSSException;
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import org.ietf.jgss.GSSManager;
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import org.ietf.jgss.GSSName;
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import sun.security.jgss.GSSUtil;
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public class ServiceCredsCombination {
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public static void main(String[] args) throws Exception {
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// pass
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check("a", "a", princ("a"), key("a"));
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check(null, "a", princ("a"), key("a"));
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check("x", "NOCRED", princ("a"), key("a"));
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// two pass
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check("a", "a", princ("a"), key("a"), princ("b"), key("b"));
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check("b", "b", princ("a"), key("a"), princ("b"), key("b"));
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check(null, null, princ("a"), key("a"), princ("b"), key("b"));
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check("x", "NOCRED", princ("a"), key("a"), princ("b"), key("b"));
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// old ktab
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check("b", "b", princ("b"), oldktab());
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check("x", "NOCRED", princ("b"), oldktab());
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check(null, "b", princ("b"), oldktab());
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// Two old ktab
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check("a", "a", princ("a"), princ("b"), oldktab(), oldktab());
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check("b", "b", princ("a"), princ("b"), oldktab(), oldktab());
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check(null, null, princ("a"), princ("b"), oldktab(), oldktab());
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check("x", "NOCRED", princ("a"), princ("b"), oldktab(), oldktab());
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// bound ktab
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check("c", "c", princ("c"), ktab("c"));
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check(null, "c", princ("c"), ktab("c"));
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// unbound ktab
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check("x", "x", ktab());
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check(null, null, ktab());
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// Two bound ktab
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check("c1", "c1", princ("c1"), princ("c2"), ktab("c1"), ktab("c2"));
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check("c2", "c2", princ("c1"), princ("c2"), ktab("c1"), ktab("c2"));
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check("x", "NOCRED", princ("c1"), princ("c2"), ktab("c1"), ktab("c2"));
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check(null, null, princ("c1"), princ("c2"), ktab("c1"), ktab("c2"));
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// One bound, one unbound
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check("c1", "c1", princ("c1"), ktab("c1"), ktab());
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check("x", "x", princ("c1"), ktab("c1"), ktab());
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check(null, null, princ("c1"), ktab("c1"), ktab());
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// Two unbound ktab
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check("x", "x", ktab(), ktab());
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check(null, null, ktab(), ktab());
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// pass + old ktab
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check("a", "a", princ("a"), princ("b"), key("a"), oldktab());
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check("b", "b", princ("a"), princ("b"), key("a"), oldktab());
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check(null, null, princ("a"), princ("b"), key("a"), oldktab());
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check("x", "NOCRED", princ("a"), princ("b"), key("a"), oldktab());
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// pass + bound ktab
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check("a", "a", princ("a"), princ("c"), key("a"), ktab("c"));
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check("c", "c", princ("a"), princ("c"), key("a"), ktab("c"));
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check("x", "NOCRED", princ("a"), princ("c"), key("a"), ktab("c"));
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check(null, null, princ("a"), princ("c"), key("a"), ktab("c"));
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// pass + unbound ktab
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check("a", "a", princ("a"), key("a"), ktab());
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check("x", "x", princ("a"), key("a"), ktab());
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check(null, null, princ("a"), key("a"), ktab());
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// Compatibility, automatically add princ for keys
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check(null, "a", key("a"));
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check("x", "NOCRED", key("a"));
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check(null, "a", key("a"), oldktab());
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check("x", "NOCRED", key("a"), oldktab());
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// Limitation, "a" has no key, but we don't know oldktab() is for "b"
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check("a", "a", princ("a"), princ("b"), oldktab());
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}
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/**
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* Checks the correct bound
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* @param a get a creds for this principal, null for default one
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* @param b expected name, null for still unbound, "NOCRED" for no creds
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* @param objs princs, keys and keytabs in the subject
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*/
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private static void check(final String a, String b, Object... objs)
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throws Exception {
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Subject subj = new Subject();
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for (Object obj: objs) {
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if (obj instanceof KerberosPrincipal) {
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subj.getPrincipals().add((KerberosPrincipal)obj);
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} else if (obj instanceof KerberosKey || obj instanceof KeyTab) {
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subj.getPrivateCredentials().add(obj);
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}
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}
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final GSSManager man = GSSManager.getInstance();
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try {
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String result = Subject.callAs(
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subj, new Callable<String>() {
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@Override
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public String call() throws GSSException {
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GSSCredential cred = man.createCredential(
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a == null ? null : man.createName(r(a), null),
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GSSCredential.INDEFINITE_LIFETIME,
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GSSUtil.GSS_KRB5_MECH_OID,
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GSSCredential.ACCEPT_ONLY);
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GSSName name = cred.getName();
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return name == null ? null : name.toString();
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}
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});
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if (!Objects.equals(result, r(b))) {
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throw new Exception("Check failed: getInstance(" + a
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+ ") has name " + result + ", not " + b);
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}
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} catch (CompletionException e) {
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if (!"NOCRED".equals(b)) {
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throw new Exception("Check failed: getInstance(" + a
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+ ") is null " + ", but not one with name " + b);
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}
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}
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}
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private static String r(String s) {
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return s == null ? null : (s+"@REALM");
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}
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private static KerberosPrincipal princ(String s) {
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return new KerberosPrincipal(r(s));
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}
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private static KerberosKey key(String s) {
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return new KerberosKey(princ(s), new byte[0], 0, 0);
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}
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private static KeyTab oldktab() {
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return KeyTab.getInstance();
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}
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static KeyTab ktab(String s) {
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return KeyTab.getInstance(princ(s));
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}
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static KeyTab ktab() {
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return KeyTab.getUnboundInstance();
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}
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}
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