/*

 * Copyright (C) 2001-2012 Free Software Foundation, Inc.

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * The GnuTLS 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 program.  If not, see <https://www.gnu.org/licenses/>

 *

 */

#include "gnutls_int.h"

#include "errors.h"

#include <stdio.h>

#include <stdlib.h>

#include "debug.h"

#include "mpi.h"

#ifdef DEBUG

void _gnutls_dump_mpi(const char *prefix, bigint_t a)

{

  char buf[400];

  char buf_hex[2 * sizeof(buf) + 1];

  size_t n = sizeof buf;

  if (_gnutls_mpi_print(a, buf, &n))

    strcpy(buf, "[can't print value]"); /* Flawfinder: ignore */

  _gnutls_debug_log("MPI: length: %d\n\t%s%s\n", (int)n, prefix,

        _gnutls_bin2hex(buf, n, buf_hex, sizeof(buf_hex),

            NULL));

}

void _gnutls_dump_vector(const char *prefix, const uint8_t *a, size_t a_size)

{

  char buf_hex[2 * a_size + 1];

  _gnutls_debug_log("Vector: length: %d\n\t%s%s\n", (int)a_size, prefix,

        _gnutls_bin2hex(a, a_size, buf_hex, sizeof(buf_hex),

            NULL));

}

#endif

const char *_gnutls_packet2str(content_type_t packet)

{

  switch (packet) {

  case GNUTLS_CHANGE_CIPHER_SPEC:

    return "ChangeCipherSpec";

  case GNUTLS_ALERT:

    return "Alert";

  case GNUTLS_HANDSHAKE:

    return "Handshake";

  case GNUTLS_APPLICATION_DATA:

    return "Application Data";

  case GNUTLS_HEARTBEAT:

    return "HeartBeat";

  default:

    return "Unknown Packet";

  }

}

/**

 * gnutls_handshake_description_get_name:

 * @type: is a handshake message description

 *

 * Convert a #gnutls_handshake_description_t value to a string.

 *

 * Returns: a string that contains the name of the specified handshake

 *   message or %NULL.

 **/

const char *

gnutls_handshake_description_get_name(gnutls_handshake_description_t type)

{

  switch (type) {

  case GNUTLS_HANDSHAKE_END_OF_EARLY_DATA:

    return "END OF EARLY DATA";

  case GNUTLS_HANDSHAKE_HELLO_RETRY_REQUEST:

    return "HELLO RETRY REQUEST";

  case GNUTLS_HANDSHAKE_HELLO_REQUEST:

    return "HELLO REQUEST";

  case GNUTLS_HANDSHAKE_CLIENT_HELLO:

    return "CLIENT HELLO";

#ifdef ENABLE_SSL2

  case GNUTLS_HANDSHAKE_CLIENT_HELLO_V2:

    return "SSL2 CLIENT HELLO";

#endif

  case GNUTLS_HANDSHAKE_SERVER_HELLO:

    return "SERVER HELLO";

  case GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST:

    return "HELLO VERIFY REQUEST";

  case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:

    return "CERTIFICATE";

  case GNUTLS_HANDSHAKE_ENCRYPTED_EXTENSIONS:

    return "ENCRYPTED EXTENSIONS";

  case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:

    return "SERVER KEY EXCHANGE";

  case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:

    return "CERTIFICATE REQUEST";

  case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:

    return "SERVER HELLO DONE";

  case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:

    return "CERTIFICATE VERIFY";

  case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:

    return "CLIENT KEY EXCHANGE";

  case GNUTLS_HANDSHAKE_FINISHED:

    return "FINISHED";

  case GNUTLS_HANDSHAKE_KEY_UPDATE:

    return "KEY_UPDATE";

  case GNUTLS_HANDSHAKE_COMPRESSED_CERTIFICATE_PKT:

    return "COMPRESSED CERTIFICATE";

  case GNUTLS_HANDSHAKE_SUPPLEMENTAL:

    return "SUPPLEMENTAL";

  case GNUTLS_HANDSHAKE_CERTIFICATE_STATUS:

    return "CERTIFICATE STATUS";

  case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:

    return "NEW SESSION TICKET";

  case GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC:

    return "CHANGE CIPHER SPEC";

  default:

    return "Unknown Handshake packet";

  }

}