/*
 * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation
 *
 * Author: Nikos Mavroyanopoulos
 *
 * This file is part of GNUTLS.
 *
 * The GNUTLS library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA
 *
 */

#include "gnutls_int.h"
#include "gnutls_errors.h"
#include <stdio.h>
#include <stdlib.h>
#include <gcrypt.h>

#ifdef DEBUG


void
_gnutls_print_state (gnutls_session_t session)
{

  _gnutls_debug_log ("GNUTLS State:\n");
  _gnutls_debug_log ("Connection End: %d\n",
		     session->security_parameters.entity);
  _gnutls_debug_log ("Cipher Algorithm: %d\n",
		     session->security_parameters.read_bulk_cipher_algorithm);
  _gnutls_debug_log ("MAC algorithm: %d\n",
		     session->security_parameters.read_mac_algorithm);
  _gnutls_debug_log ("Compression Algorithm: %d\n",
		     session->security_parameters.read_compression_algorithm);
  _gnutls_debug_log ("\n");

}

#endif

const char *
_gnutls_packet2str (content_type_t packet)
{
  switch (packet)
    {
    case GNUTLS_CHANGE_CIPHER_SPEC:
      return "Change Cipher Spec";
    case GNUTLS_ALERT:
      return "Alert";
    case GNUTLS_HANDSHAKE:
      return "Handshake";
    case GNUTLS_APPLICATION_DATA:
      return "Application Data";
    case GNUTLS_INNER_APPLICATION:
      return "Inner Application";

    default:
      return "Unknown Packet";
    }
}

const char *
_gnutls_handshake2str (gnutls_handshake_description_t handshake)
{

  switch (handshake)
    {
    case GNUTLS_HANDSHAKE_HELLO_REQUEST:
      return "HELLO REQUEST";
      break;
    case GNUTLS_HANDSHAKE_CLIENT_HELLO:
      return "CLIENT HELLO";
      break;
    case GNUTLS_HANDSHAKE_SERVER_HELLO:
      return "SERVER HELLO";
      break;
    case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
      return "CERTIFICATE";
      break;
    case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
      return "SERVER KEY EXCHANGE";
      break;
    case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
      return "CERTIFICATE REQUEST";
      break;
    case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
      return "SERVER HELLO DONE";
      break;
    case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
      return "CERTIFICATE VERIFY";
      break;
    case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
      return "CLIENT KEY EXCHANGE";
      break;
    case GNUTLS_HANDSHAKE_FINISHED:
      return "FINISHED";
      break;
    case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
      return "SUPPLEMENTAL";
      break;
    default:
      return "Unknown Handshake packet";

    }
}

void
_gnutls_dump_mpi (const char *prefix, mpi_t a)
{
  opaque buf[1024];
  size_t n = sizeof buf;

  if (gcry_mpi_print (GCRYMPI_FMT_HEX, buf, n, &n, a))
    strcpy (buf, "[can't print value]");	/* Flawfinder: ignore */
  _gnutls_hard_log ("MPI: length: %d\n\t%s%s\n", (n - 1) / 2, prefix, buf);
}