lib/debug.c

   1 /*
   2  * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
   3  * Free Software Foundation, Inc.
   4  *
   5  * Author: Nikos Mavrogiannopoulos
   6  *
   7  * This file is part of GnuTLS.
   8  *
   9  * The GnuTLS is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22  * USA
  23  *
  24  */
  25
  26 #include "gnutls_int.h"
  27 #include "gnutls_errors.h"
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include "debug.h"
  31 #include <gnutls_mpi.h>
  32
  33 void
  34 _gnutls_dump_mpi (const char *prefix, bigint_t a)
  35 {
  36   char buf[400];
  37   char buf_hex[2 * sizeof (buf)];
  38   size_t n = sizeof buf;
  39
  40   if (_gnutls_mpi_print (a, buf, &n))
  41     strcpy (buf, "[can't print value]");        /* Flawfinder: ignore */
  42   _gnutls_debug_log ("MPI: length: %d\n\t%s%s\n", (int) n, prefix,
  43                      _gnutls_bin2hex (buf, n, buf_hex, sizeof (buf_hex),
  44                                       NULL));
  45 }
  46
  47
  48 const char *
  49 _gnutls_packet2str (content_type_t packet)
  50 {
  51   switch (packet)
  52     {
  53     case GNUTLS_CHANGE_CIPHER_SPEC:
  54       return "Change Cipher Spec";
  55     case GNUTLS_ALERT:
  56       return "Alert";
  57     case GNUTLS_HANDSHAKE:
  58       return "Handshake";
  59     case GNUTLS_APPLICATION_DATA:
  60       return "Application Data";
  61     case GNUTLS_INNER_APPLICATION:
  62       return "Inner Application";
  63
  64     default:
  65       return "Unknown Packet";
  66     }
  67 }
  68
  69 const char *
  70 _gnutls_handshake2str (gnutls_handshake_description_t handshake)
  71 {
  72
  73   switch (handshake)
  74     {
  75     case GNUTLS_HANDSHAKE_HELLO_REQUEST:
  76       return "HELLO REQUEST";
  77       break;
  78     case GNUTLS_HANDSHAKE_CLIENT_HELLO:
  79       return "CLIENT HELLO";
  80       break;
  81     case GNUTLS_HANDSHAKE_SERVER_HELLO:
  82       return "SERVER HELLO";
  83       break;
  84     case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
  85       return "CERTIFICATE";
  86       break;
  87     case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
  88       return "SERVER KEY EXCHANGE";
  89       break;
  90     case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
  91       return "CERTIFICATE REQUEST";
  92       break;
  93     case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
  94       return "SERVER HELLO DONE";
  95       break;
  96     case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
  97       return "CERTIFICATE VERIFY";
  98       break;
  99     case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
 100       return "CLIENT KEY EXCHANGE";
 101       break;
 102     case GNUTLS_HANDSHAKE_FINISHED:
 103       return "FINISHED";
 104       break;
 105     case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
 106       return "SUPPLEMENTAL";
 107       break;
 108     case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:
 109       return "NEW SESSION TICKET";
 110       break;
 111     default:
 112       return "Unknown Handshake packet";
 113
 114     }
 115 }