/*
* 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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