1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*
* Copyright (C) 2012 Free Software Foundation, Inc.
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuTLS 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
* 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/>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <assert.h>
#include "utils.h"
#include "cert-common.h"
#include "eagain-common.h"
/* This program tests whether re-key occurs at the expected
* time.
*/
const char *testname = "";
const char *side = "";
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
#define MAX_BUF 1024
static void start(const char *name, const char *prio, unsigned exp_update)
{
int sret, cret;
gnutls_certificate_credentials_t scred, ccred;
gnutls_session_t server, client;
char buffer[MAX_BUF + 1];
unsigned char seq[8];
unsigned update_happened = 0;
unsigned i;
testname = name;
success("== test %s ==\n", testname);
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(9);
/* Init Server */
assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
assert(gnutls_certificate_set_x509_key_mem(scred, &server_cert,
&server_key,
GNUTLS_X509_FMT_PEM) >= 0);
gnutls_init(&server, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
sret = gnutls_priority_set_direct(server, prio, NULL);
if (sret < 0) {
fail("error in priority '%s': %s\n", prio,
gnutls_strerror(sret));
}
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
gnutls_certificate_allocate_credentials(&ccred);
assert(gnutls_certificate_set_x509_trust_mem(ccred, &ca3_cert,
GNUTLS_X509_FMT_PEM) >= 0);
gnutls_init(&client, GNUTLS_CLIENT);
cret = gnutls_priority_set_direct(client, prio, NULL);
if (cret < 0)
fail("cannot set TLS 1.3 priorities\n");
gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
/* Perform handshake */
HANDSHAKE(client, server);
if (debug)
success("Handshake established\n");
assert(gnutls_record_get_state(server, 0, NULL, NULL, NULL, seq) >= 0);
assert(gnutls_record_set_state(
server, 0, (void *)"\x00\x00\x00\x00\x00\xff\xff\xfa") >=
0);
assert(gnutls_record_get_state(client, 1, NULL, NULL, NULL, seq) >= 0);
assert(gnutls_record_set_state(
client, 1, (void *)"\x00\x00\x00\x00\x00\xff\xff\xfa") >=
0);
memset(buffer, 1, sizeof(buffer));
for (i = 0; i < 32; i++) {
usleep(10000); /* some systems like FreeBSD have their buffers full during this send */
do {
sret = gnutls_record_send(server, buffer,
sizeof(buffer));
} while (sret == GNUTLS_E_AGAIN ||
sret == GNUTLS_E_INTERRUPTED);
if (sret < 0) {
fail("Error sending %d byte packet: %s\n",
(int)sizeof(buffer), gnutls_strerror(sret));
}
if (sret != sizeof(buffer)) {
fail("Error sending %d byte packet: sent: %d\n",
(int)sizeof(buffer), sret);
}
do {
cret = gnutls_record_recv_seq(client, buffer, MAX_BUF,
seq);
} while (cret == GNUTLS_E_AGAIN ||
cret == GNUTLS_E_INTERRUPTED);
if (memcmp(seq, "\x00\x00\x00\x00\x00\x00\x00\x01", 8) == 0) {
update_happened = 1;
}
}
gnutls_bye(client, GNUTLS_SHUT_WR);
gnutls_bye(server, GNUTLS_SHUT_WR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(scred);
gnutls_certificate_free_credentials(ccred);
gnutls_global_deinit();
reset_buffers();
if (exp_update && update_happened == 0) {
fail("no update occurred!\n");
} else if (!exp_update && update_happened) {
fail("update occurred unexpectedly!\n");
} else {
if (debug)
success("detected update!\n");
}
}
#define AES_GCM "NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+AES-128-GCM"
#define CHACHA_POLY1305 \
"NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+CHACHA20-POLY1305"
void doit(void)
{
start("aes-gcm", AES_GCM, 1);
if (!gnutls_fips140_mode_enabled()) {
start("chacha20", CHACHA_POLY1305, 0);
}
}
|
