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/*
* Copyright (c) 2018 Google Inc. 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.
*/
import java.security.KeyStore;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
/*
* @test
* @bug 8194960
* @summary Sanity check trust manager defaults/cacerts.
*/
/**
* Explores the set of root certificates.
* Also useful as a standalone program.
*
* Prior to JEP 319, stock openjdk fails this because no root
* certificates were checked into the repo.
*/
public class CacertsExplorer {
public static void main(String[] args) throws Throwable {
String defaultAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
if (!defaultAlgorithm.equals("PKIX")) {
throw new AssertionError(
"Expected default algorithm PKIX, got " + defaultAlgorithm);
}
TrustManagerFactory trustManagerFactory =
TrustManagerFactory.getInstance(defaultAlgorithm);
trustManagerFactory.init((KeyStore) null);
TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
if (trustManagers.length != 1) {
throw new AssertionError(
"Expected exactly one TrustManager, got "
+ Arrays.toString(trustManagers));
}
X509TrustManager trustManager = (X509TrustManager) trustManagers[0];
X509Certificate[] acceptedIssuers = trustManager.getAcceptedIssuers();
if (acceptedIssuers.length == 0) {
throw new AssertionError(
"no accepted issuers - cacerts file configuration problem?");
}
Arrays.stream(acceptedIssuers)
.map(X509Certificate::getIssuerX500Principal)
.forEach(System.out::println);
}
}
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