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     default:
  60       return "Unknown Packet";
  61     }
  62 }
  63
  64 const char *
  65 _gnutls_handshake2str (gnutls_handshake_description_t handshake)
  66 {
  67
  68   switch (handshake)
  69     {
  70     case GNUTLS_HANDSHAKE_HELLO_REQUEST:
  71       return "HELLO REQUEST";
  72       break;
  73     case GNUTLS_HANDSHAKE_CLIENT_HELLO:
  74       return "CLIENT HELLO";
  75       break;
  76     case GNUTLS_HANDSHAKE_CLIENT_HELLO_V2:
  77       return "SSL2 CLIENT HELLO";
  78       break;
  79     case GNUTLS_HANDSHAKE_SERVER_HELLO:
  80       return "SERVER HELLO";
  81       break;
  82     case GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST:
  83       return "HELLO VERIFY REQUEST";
  84       break;
  85     case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
  86       return "CERTIFICATE";
  87       break;
  88     case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
  89       return "SERVER KEY EXCHANGE";
  90       break;
  91     case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
  92       return "CERTIFICATE REQUEST";
  93       break;
  94     case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
  95       return "SERVER HELLO DONE";
  96       break;
  97     case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
  98       return "CERTIFICATE VERIFY";
  99       break;
 100     case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
 101       return "CLIENT KEY EXCHANGE";
 102       break;
 103     case GNUTLS_HANDSHAKE_FINISHED:
 104       return "FINISHED";
 105       break;
 106     case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
 107       return "SUPPLEMENTAL";
 108       break;
 109     case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:
 110       return "NEW SESSION TICKET";
 111       break;
 112     case GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC:
 113       return "CHANGE CIPHER SPEC";
 114       break;
 115     default:
 116       return "Unknown Handshake packet";
 117
 118     }
 119 }