SecurityCertificateManager.h

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/*
 * SecurityCertificateManager.h
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Stephen Roettger <roettger@ibr.cs.tu-bs.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.
 *
 */

#ifndef SECURITYCERTIFICATEMANAGER_H_
#define SECURITYCERTIFICATEMANAGER_H_

#include "Configuration.h"
#include "core/Event.h"
#include "Component.h"

#include <ibrcommon/data/File.h>
#include <ibrcommon/thread/Mutex.h>

#include <ibrdtn/data/EID.h>

#include <openssl/ssl.h>
#include <string>

namespace dtn
{
        namespace security
        {
                class SecurityCertificateException : public ibrcommon::Exception
                {
                public:
                        SecurityCertificateException(std::string what = "verification failed") : ibrcommon::Exception(what)
                        {};

                        virtual ~SecurityCertificateException() throw() {};
                };

                class SecurityCertificateManager : public dtn::daemon::IntegratedComponent, public dtn::daemon::Configuration::OnChangeListener
                {
                        static const std::string TAG;

                public:
                        SecurityCertificateManager();
                        virtual ~SecurityCertificateManager();

                        virtual void onConfigurationChanged(const dtn::daemon::Configuration &conf) throw ();

                        static void validateSubject(X509 *certificate, const std::string &cn) throw (SecurityCertificateException);

                        bool isInitialized();

                        const X509 *getCert() const;
                        const EVP_PKEY *getPrivateKey() const;
                        const ibrcommon::File& getTrustedCAPath() const;

                        /* functions from IntegratedComponent */
                        virtual void componentUp() throw ();
                        virtual void componentDown() throw ();

                        virtual const std::string getName() const;

                private:
                        ibrcommon::Mutex _initialization_lock;
                        bool _initialized;

                        X509 *_cert;
                        EVP_PKEY *_privateKey;
                        ibrcommon::File _trustedCAPath;
                };
        }
}

#endif /* SECURITYCERTIFICATEMANAGER_H_ */