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 2.1 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
31void
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
45void
46_gnutls_dump_vector (const char *prefix, const uint8_t *a, size_t a_size)
47{
48 char buf_hex[2 * a_size];
49
50 _gnutls_debug_log ("Vector: length: %d\n\t%s%s\n", (int) a_size, prefix,
51 _gnutls_bin2hex (a, a_size, buf_hex, sizeof (buf_hex),
52 NULL));
53}
54#endif
55
56const char *
57_gnutls_packet2str (content_type_t packet)
58{
59 switch (packet)
60 {
61 case GNUTLS_CHANGE_CIPHER_SPEC:
62 return "ChangeCipherSpec";
63 case GNUTLS_ALERT:
64 return "Alert";
65 case GNUTLS_HANDSHAKE:
66 return "Handshake";
67 case GNUTLS_APPLICATION_DATA:
68 return "Application Data";
69 case GNUTLS_HEARTBEAT:
70 return "HeartBeat";
71 default:
72 return "Unknown Packet";
73 }
74}
75
76/**
77 * gnutls_handshake_description_get_name:
78 * @type: is a handshake message description
79 *
80 * Convert a #gnutls_handshake_description_t value to a string.
81 *
82 * Returns: a string that contains the name of the specified handshake
83 * message or %NULL.
84 **/
85const char *
86gnutls_handshake_description_get_name (gnutls_handshake_description_t type)
87{
88 switch (type)
89 {
90 case GNUTLS_HANDSHAKE_HELLO_REQUEST:
91 return "HELLO REQUEST";
92 break;
93 case GNUTLS_HANDSHAKE_CLIENT_HELLO:
94 return "CLIENT HELLO";
95 break;
96 case GNUTLS_HANDSHAKE_CLIENT_HELLO_V2:
97 return "SSL2 CLIENT HELLO";
98 break;
99 case GNUTLS_HANDSHAKE_SERVER_HELLO:
100 return "SERVER HELLO";
101 break;
102 case GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST:
103 return "HELLO VERIFY REQUEST";
104 break;
105 case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
106 return "CERTIFICATE";
107 break;
108 case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
109 return "SERVER KEY EXCHANGE";
110 break;
111 case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
112 return "CERTIFICATE REQUEST";
113 break;
114 case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
115 return "SERVER HELLO DONE";
116 break;
117 case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
118 return "CERTIFICATE VERIFY";
119 break;
120 case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
121 return "CLIENT KEY EXCHANGE";
122 break;
123 case GNUTLS_HANDSHAKE_FINISHED:
124 return "FINISHED";
125 break;
126 case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
127 return "SUPPLEMENTAL";
128 break;
129 case GNUTLS_HANDSHAKE_CERTIFICATE_STATUS:
130 return "CERTIFICATE STATUS";
131 break;
132 case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:
133 return "NEW SESSION TICKET";
134 break;
135 case GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC:
136 return "CHANGE CIPHER SPEC";
137 break;
138 default:
139 return "Unknown Handshake packet";
140 }
141}
142