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/*
* Copyright (c) 2019, Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8215032
* @run main/othervm/timeout=120 -Dsun.security.krb5.debug=true ReferralsTest
* @summary Test Kerberos cross-realm referrals (RFC 6806)
*/
import java.io.File;
import sun.security.krb5.Credentials;
import sun.security.krb5.internal.CredentialsUtil;
import sun.security.krb5.KrbAsReqBuilder;
import sun.security.krb5.PrincipalName;
public class ReferralsTest {
private static final boolean DEBUG = true;
private static final String krbConfigName = "krb5-localkdc.conf";
private static final String realmKDC1 = "RABBIT.HOLE";
private static final String realmKDC2 = "DEV.RABBIT.HOLE";
private static final char[] password = "123qwe@Z".toCharArray();
private static final String clientName = "test";
private static final String clientAlias = clientName +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC1;
private static final String clientKDC1QueryName = clientAlias.replaceAll(
PrincipalName.NAME_REALM_SEPARATOR_STR, "\\\\" +
PrincipalName.NAME_REALM_SEPARATOR_STR) +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC1;
private static PrincipalName clientKDC1QueryPrincipal = null;
static {
try {
clientKDC1QueryPrincipal = new PrincipalName(
clientKDC1QueryName, PrincipalName.KRB_NT_ENTERPRISE,
null);
} catch (Throwable t) {}
}
private static final String clientKDC2Name = clientName +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC2;
private static final String serviceName = "http" +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR +
"server.dev.rabbit.hole";
private static Credentials tgt;
private static Credentials tgs;
public static void main(String[] args) throws Exception {
try {
initializeKDCs();
getTGT();
getTGS();
} finally {
cleanup();
}
}
private static void initializeKDCs() throws Exception {
KDC kdc1 = KDC.create(realmKDC1, "localhost", 0, true);
kdc1.addPrincipalRandKey(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC1);
kdc1.addPrincipal(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC1 +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC2,
password);
kdc1.addPrincipal(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC2,
password);
KDC kdc2 = KDC.create(realmKDC2, "localhost", 0, true);
kdc2.addPrincipalRandKey(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC2);
kdc2.addPrincipal(clientKDC2Name, password);
kdc2.addPrincipal(serviceName, password);
kdc2.addPrincipal(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC1,
password);
kdc2.addPrincipal(PrincipalName.TGS_DEFAULT_SRV_NAME +
PrincipalName.NAME_COMPONENT_SEPARATOR_STR + realmKDC2 +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC1,
password);
kdc1.registerAlias(clientAlias, kdc2);
kdc1.registerAlias(serviceName, kdc2);
kdc2.registerAlias(clientAlias, clientKDC2Name);
KDC.saveConfig(krbConfigName, kdc1, kdc2,
"forwardable=true");
System.setProperty("java.security.krb5.conf", krbConfigName);
}
private static void cleanup() {
File f = new File(krbConfigName);
if (f.exists()) {
f.delete();
}
}
private static void getTGT() throws Exception {
KrbAsReqBuilder builder = new KrbAsReqBuilder(clientKDC1QueryPrincipal,
password);
tgt = builder.action().getCreds();
builder.destroy();
if (DEBUG) {
System.out.println("TGT");
System.out.println("----------------------");
System.out.println(tgt);
System.out.println("----------------------");
}
if (tgt == null) {
throw new Exception("TGT is null");
}
if (!tgt.getClient().getName().equals(clientKDC2Name)) {
throw new Exception("Unexpected TGT client");
}
String[] tgtServerNames = tgt.getServer().getNameStrings();
if (tgtServerNames.length != 2 || !tgtServerNames[0].equals(
PrincipalName.TGS_DEFAULT_SRV_NAME) ||
!tgtServerNames[1].equals(realmKDC2) ||
!tgt.getServer().getRealmString().equals(realmKDC2)) {
throw new Exception("Unexpected TGT server");
}
}
private static void getTGS() throws Exception {
tgs = CredentialsUtil.acquireServiceCreds(serviceName +
PrincipalName.NAME_REALM_SEPARATOR_STR + realmKDC1, tgt);
if (DEBUG) {
System.out.println("TGS");
System.out.println("----------------------");
System.out.println(tgs);
System.out.println("----------------------");
}
if (tgs == null) {
throw new Exception("TGS is null");
}
if (!tgs.getClient().getName().equals(clientKDC2Name)) {
throw new Exception("Unexpected TGS client");
}
if (!tgs.getServer().getNameString().equals(serviceName) ||
!tgs.getServer().getRealmString().equals(realmKDC2)) {
throw new Exception("Unexpected TGS server");
}
}
}
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