test/jdk/sun/security/ssl/SSLContextImpl/NullGetAcceptedIssuers.java

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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 7142172
 * @summary Custom TrustManagers that return null for getAcceptedIssuers
 *          will NPE.
 *     SunJSSE does not support dynamic system properties, no way to
 *     re-use system properties in samevm/agentvm mode.
 * @run main/othervm NullGetAcceptedIssuers
 */

import javax.net.ssl.*;

public class NullGetAcceptedIssuers {

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

        // Create a trust manager that does not validate certificate chains
        TrustManager[] trustAllCerts =
            new TrustManager[] {new X509TrustManager() {

                public void checkClientTrusted(
                        java.security.cert.X509Certificate[] certs,
                        String authType) {
                }

                public void checkServerTrusted(
                        java.security.cert.X509Certificate[] certs,
                        String authType) {
                }

                // API says empty array, but some custom TMs are
                // returning null.
                public java.security.cert.X509Certificate[]
                        getAcceptedIssuers() {
                    return null;
                }
            }};

        sslContext = javax.net.ssl.SSLContext.getInstance("SSL");
        sslContext.init(null, trustAllCerts, null);
    }
}