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8293489: Accept CAs with BasicConstraints without pathLenConstraint
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Backport-of: 986b834148f425aa21611814d162a8578b26b502
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GoeLin committed Oct 25, 2022
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/*
* Copyright (c) 2022, 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 8293489
* @summary Accept CAs with BasicConstraints without pathLenConstraint
* @library /test/lib
*/

import jdk.test.lib.SecurityTools;

import java.io.File;
import java.security.*;
import java.security.cert.*;

import javax.net.ssl.*;

public class BasicConstraints12 {

public static void main(String[] args) throws Exception {

genkey("-dname CN=TrustAnchor -alias anchor");
genkey("-dname CN=IntermediateCA -alias ca -ext bc:critical -signer anchor");
genkey("-dname CN=Server -alias server -signer ca");

KeyStore full = KeyStore.getInstance(new File("ks"), "changeit".toCharArray());
X509Certificate anchor = (X509Certificate) full.getCertificate("anchor");
X509Certificate ca = (X509Certificate) full.getCertificate("ca");
X509Certificate server = (X509Certificate) full.getCertificate("server");

KeyStore ks = KeyStore.getInstance("PKCS12");
ks.load(null, null);
ks.setCertificateEntry("anchor", anchor);

TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
tmf.init(ks);

X509TrustManager tm = (X509TrustManager)tmf.getTrustManagers()[0];

X509Certificate[] chain = new X509Certificate[] {server, ca, anchor};

System.out.println("Calling trustmanager...");

tm.checkServerTrusted(chain, "RSA");
System.out.println("Test ok");
}

static void genkey(String s) throws Exception {
SecurityTools.keytool("-storepass changeit -keystore ks -genkeypair -keyalg RSA " + s)
.shouldHaveExitValue(0);
}
}

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