/* 
 * Copyright (C) 2004 Red Hat Inc.
 * Copyright (C) 2005 Martin Koegler
 * Copyright (C) 2010 TigerVNC Team
 *    
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This software 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
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
 * USA.
 */

#ifndef __S_SECURITY_TLS_H__
#define __S_SECURITY_TLS_H__

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifndef HAVE_GNUTLS
#error "This header should not be included without HAVE_GNUTLS defined"
#endif

#include <rfb/SSecurity.h>
#include <rfb/SSecurityVeNCrypt.h>
#include <rdr/InStream.h>
#include <rdr/OutStream.h>
#include <gnutls/gnutls.h>

namespace rfb {

  class SSecurityTLS : public SSecurity {
  public:
    SSecurityTLS(bool _anon);
    virtual ~SSecurityTLS();
    virtual bool processMsg(SConnection* sc);
    virtual const char* getUserName() const {return 0;}
    virtual int getType() const { return anon ? secTypeTLSNone : secTypeX509None;}

    static StringParameter X509_CertFile;
    static StringParameter X509_KeyFile;

  protected:
    void shutdown();
    void setParams(gnutls_session_t session);

  private:
    static void initGlobal();

    gnutls_session_t session;
    gnutls_dh_params_t dh_params;
    gnutls_anon_server_credentials_t anon_cred;
    gnutls_certificate_credentials_t cert_cred;
    char *keyfile, *certfile;

    int type;
    bool anon;

    rdr::InStream* fis;
    rdr::OutStream* fos;
  };

}

#endif
