lib/debug.c

   1 /*
   2  * Copyright (C) 2001-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #include "gnutls_int.h"
  24 #include "gnutls_errors.h"
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include "debug.h"
  28 #include <gnutls_mpi.h>
  29
  30 #ifdef DEBUG
  31 void
  32 _gnutls_dump_mpi (const char *prefix, bigint_t a)
  33 {
  34   char buf[400];
  35   char buf_hex[2 * sizeof (buf)];
  36   size_t n = sizeof buf;
  37
  38   if (_gnutls_mpi_print (a, buf, &n))
  39     strcpy (buf, "[can't print value]");        /* Flawfinder: ignore */
  40   _gnutls_debug_log ("MPI: length: %d\n\t%s%s\n", (int) n, prefix,
  41                      _gnutls_bin2hex (buf, n, buf_hex, sizeof (buf_hex),
  42                                       NULL));
  43 }
  44 #endif
  45
  46 const char *
  47 _gnutls_packet2str (content_type_t packet)
  48 {
  49   switch (packet)
  50     {
  51     case GNUTLS_CHANGE_CIPHER_SPEC:
  52       return "ChangeCipherSpec";
  53     case GNUTLS_ALERT:
  54       return "Alert";
  55     case GNUTLS_HANDSHAKE:
  56       return "Handshake";
  57     case GNUTLS_APPLICATION_DATA:
  58       return "Application Data";
  59     case GNUTLS_HEARTBEAT:
  60       return "HeartBeat";
  61     default:
  62       return "Unknown Packet";
  63     }
  64 }
  65
  66 const char *
  67 _gnutls_handshake2str (gnutls_handshake_description_t handshake)
  68 {
  69
  70   switch (handshake)
  71     {
  72     case GNUTLS_HANDSHAKE_HELLO_REQUEST:
  73       return "HELLO REQUEST";
  74       break;
  75     case GNUTLS_HANDSHAKE_CLIENT_HELLO:
  76       return "CLIENT HELLO";
  77       break;
  78     case GNUTLS_HANDSHAKE_CLIENT_HELLO_V2:
  79       return "SSL2 CLIENT HELLO";
  80       break;
  81     case GNUTLS_HANDSHAKE_SERVER_HELLO:
  82       return "SERVER HELLO";
  83       break;
  84     case GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST:
  85       return "HELLO VERIFY REQUEST";
  86       break;
  87     case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
  88       return "CERTIFICATE";
  89       break;
  90     case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
  91       return "SERVER KEY EXCHANGE";
  92       break;
  93     case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
  94       return "CERTIFICATE REQUEST";
  95       break;
  96     case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
  97       return "SERVER HELLO DONE";
  98       break;
  99     case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
 100       return "CERTIFICATE VERIFY";
 101       break;
 102     case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
 103       return "CLIENT KEY EXCHANGE";
 104       break;
 105     case GNUTLS_HANDSHAKE_FINISHED:
 106       return "FINISHED";
 107       break;
 108     case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
 109       return "SUPPLEMENTAL";
 110       break;
 111     case GNUTLS_HANDSHAKE_CERTIFICATE_STATUS:
 112       return "CERTIFICATE STATUS";
 113       break;
 114     case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:
 115       return "NEW SESSION TICKET";
 116       break;
 117     case GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC:
 118       return "CHANGE CIPHER SPEC";
 119       break;
 120     default:
 121       return "Unknown Handshake packet";
 122
 123     }
 124 }