SecurityFilter.h

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/*
 * SecurityFilter.h
 *
 * Copyright (C) 2014 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <jm@m-network.de>
 *
 * Licensed 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.
 *
 */

#include "core/BundleFilter.h"

#ifndef FILTER_SECURITYFILTER_H_
#define FILTER_SECURITYFILTER_H_

namespace dtn
{
        namespace core
        {
                class SecurityFilter : public BundleFilter {
                public:
                        enum MODE {
                                APPLY_AUTH,
                                APPLY_INTEGRITY,
                                APPLY_CONFIDENTIALITY,
                                VERIFY_AUTH,
                                VERIFY_INTEGRITY,
                                VERIFY_CONFIDENTIALITY,
                                DECRYPT
                        };

                        SecurityFilter(MODE mode, BundleFilter::ACTION positive = BundleFilter::PASS, BundleFilter::ACTION negative = BundleFilter::PASS);
                        virtual ~SecurityFilter();

                        virtual ACTION evaluate(const FilterContext&) const throw ();
                        virtual ACTION filter(const FilterContext&, dtn::data::Bundle&) const throw ();

                private:
                        const MODE _mode;
                        const BundleFilter::ACTION _positive_action;
                        const BundleFilter::ACTION _negative_action;
                };
        } /* namespace core */
} /* namespace dtn */

#endif /* FILTER_SECURITYFILTER_H_ */