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JDBC Driver for the Firebird RDBMS

There is a newer version: 4.0.10.java8

/*
 * Firebird Open Source JavaEE Connector - JDBC Driver
 *
 * Distributable under LGPL license.
 * You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
 *
 * This program 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
 * LGPL License for more details.
 *
 * This file was created by members of the firebird development team.
 * All individual contributions remain the Copyright (C) of those
 * individuals.  Contributors to this file are either listed here or
 * can be obtained from a source control history command.
 *
 * All rights reserved.
 */
package org.firebirdsql.gds.ng.wire.version10;

import org.firebirdsql.gds.ConnectionParameterBuffer;
import org.firebirdsql.gds.ParameterTagMapping;
import org.firebirdsql.gds.ng.AbstractConnection;
import org.firebirdsql.gds.ng.AbstractParameterConverter;
import org.firebirdsql.gds.ng.IAttachProperties;
import org.firebirdsql.gds.ng.wire.WireDatabaseConnection;
import org.firebirdsql.gds.ng.wire.WireServiceConnection;
import org.firebirdsql.gds.ng.wire.auth.UnixCrypt;

import java.sql.SQLException;

/**
 * Implementation of {@link org.firebirdsql.gds.ng.ParameterConverter} for the version 10 protocol.
 *
 * @author Mark Rotteveel
 * @since 3.0
 */
public class V10ParameterConverter extends AbstractParameterConverter {

    private static final String LEGACY_PASSWORD_SALT = "9z";

    @Override
    protected void populateAuthenticationProperties(final AbstractConnection connection,
            final ConnectionParameterBuffer pb) throws SQLException {
        IAttachProperties props = connection.getAttachProperties();
        ParameterTagMapping tagMapping = pb.getTagMapping();
        if (props.getUser() != null) {
            pb.addArgument(tagMapping.getUserNameTag(), props.getUser());
        }
        if (props.getPassword() != null) {
            pb.addArgument(tagMapping.getEncryptedPasswordTag(), UnixCrypt.crypt(props.getPassword(),
                    LEGACY_PASSWORD_SALT).substring(2, 13));
        }
    }

}