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A Mavenized fork of Tomcat Native which incorporates various patches. This artifact is dynamically linked to OpenSSL and Apache APR.

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/*
 * Copyright 2019 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.internal.tcnative;

/**
 * Execute {@link CertificateCallback#handle(long, byte[], byte[][])}.
 */
final class CertificateCallbackTask extends SSLTask {
    private final byte[] keyTypeBytes;
    private final byte[][] asn1DerEncodedPrincipals;
    private final CertificateCallback callback;

    CertificateCallbackTask(long ssl, byte[] keyTypeBytes, byte[][] asn1DerEncodedPrincipals,
                            CertificateCallback callback) {
        // It is important that this constructor never throws. Be sure to not change this!
        super(ssl);
        // It's ok to not clone the arrays as we create these in JNI and not-reuse.
        this.keyTypeBytes = keyTypeBytes;
        this.asn1DerEncodedPrincipals = asn1DerEncodedPrincipals;
        this.callback = callback;
    }

    // See https://www.openssl.org/docs/man1.0.2/man3/SSL_set_cert_cb.html.
    @Override
    protected void runTask(long ssl, TaskCallback taskCallback) {
        try {
            callback.handle(ssl, keyTypeBytes, asn1DerEncodedPrincipals);
            taskCallback.onResult(ssl, 1);
        } catch (Exception e) {
            // Just catch the exception and return 0 to fail the handshake.
            // The problem is that rethrowing here is really "useless" as we will process it as part of an openssl
            // c callback which needs to return 0 for an error to abort the handshake.
            taskCallback.onResult(ssl, 0);
        }
    }
}




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