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/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* 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 8004502
* @summary Sanity check to ensure that Kerberos cipher suites cannot be
* negotiated when running on a compact profile that does not include Kerberos
*/
import java.net.*;
import java.util.*;
import javax.net.ssl.*;
public class NoKerberos {
static final List<String> KERBEROS_CIPHER_SUITES = Arrays.asList(
"TLS_KRB5_WITH_RC4_128_SHA",
"TLS_KRB5_WITH_RC4_128_MD5",
"TLS_KRB5_WITH_3DES_EDE_CBC_SHA",
"TLS_KRB5_WITH_3DES_EDE_CBC_MD5",
"TLS_KRB5_WITH_DES_CBC_SHA",
"TLS_KRB5_WITH_DES_CBC_MD5",
"TLS_KRB5_EXPORT_WITH_RC4_40_SHA",
"TLS_KRB5_EXPORT_WITH_RC4_40_MD5",
"TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA",
"TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"
);
/**
* Checks that the given array of supported cipher suites does not include
* any Kerberos cipher suites.
*/
static void checkNotSupported(String[] supportedSuites) {
for (String suites: supportedSuites) {
if (KERBEROS_CIPHER_SUITES.contains(suites)) {
throw new RuntimeException("Supported list of cipher suites " +
" should not include Kerberos cipher suites");
}
}
}
public static void main(String[] args) throws Exception {
try {
Class.forName("javax.security.auth.kerberos.KerberosPrincipal");
System.out.println("Kerberos is present, nothing to test");
return;
} catch (ClassNotFoundException okay) { }
// test SSLSocket
try (Socket s = SSLSocketFactory.getDefault().createSocket()) {
SSLSocket sslSocket = (SSLSocket)s;
checkNotSupported(sslSocket.getSupportedCipherSuites());
// attempt to enable each of the Kerberos cipher suites
for (String kcs: KERBEROS_CIPHER_SUITES) {
String[] suites = { kcs };
try {
sslSocket.setEnabledCipherSuites(suites);
throw new RuntimeException("SSLSocket.setEnabledCipherSuitessuites allowed " +
kcs + " but Kerberos not supported");
} catch (IllegalArgumentException expected) { }
}
}
// test SSLServerSocket
try (ServerSocket ss = SSLServerSocketFactory.getDefault().createServerSocket()) {
SSLServerSocket sslSocket = (SSLServerSocket)ss;
checkNotSupported(sslSocket.getSupportedCipherSuites());
// attempt to enable each of the Kerberos cipher suites
for (String kcs: KERBEROS_CIPHER_SUITES) {
String[] suites = { kcs };
try {
sslSocket.setEnabledCipherSuites(suites);
throw new RuntimeException("SSLSocket.setEnabledCipherSuitessuites allowed " +
kcs + " but Kerberos not supported");
} catch (IllegalArgumentException expected) { }
}
}
}
}
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