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
|
/*
* Copyright (C) 2023 Red Hat, Inc.
*
* Author: Daiki Ueno
*
* 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 "utils.h"
#include "cert-common.h"
#include "eagain-common.h"
/* This program tests whether forced extended master secret is
* negotiated as expected.
*/
const char *side;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static void
try(const char *name, const char *sprio, const char *cprio, int serr, int cerr)
{
int sret, cret;
gnutls_certificate_credentials_t scred, ccred;
gnutls_session_t server, client;
success("Running %s\n", name);
assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
assert(gnutls_certificate_set_x509_key_mem
(scred, &server_ca3_localhost_cert,
&server_ca3_key, GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_certificate_allocate_credentials(&ccred) >= 0);
assert(gnutls_certificate_set_x509_trust_mem
(ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_init(&server, GNUTLS_SERVER) >= 0);
assert(gnutls_init(&client, GNUTLS_CLIENT) >= 0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
assert(gnutls_priority_set_direct(server, sprio, 0) >= 0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
assert(gnutls_priority_set_direct(client, cprio, 0) >= 0);
HANDSHAKE_EXPECT(client, server, cerr, serr);
gnutls_deinit(server);
gnutls_deinit(client);
gnutls_certificate_free_credentials(scred);
gnutls_certificate_free_credentials(ccred);
reset_buffers();
}
#define AES_GCM "NORMAL:-VERS-ALL:+VERS-TLS1.2"
void doit(void)
{
global_init();
/* General init. */
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(2);
try("default", AES_GCM ":%FORCE_SESSION_HASH",
AES_GCM ":%FORCE_SESSION_HASH", 0, 0);
try("both force EMS", AES_GCM ":%FORCE_SESSION_HASH",
AES_GCM ":%FORCE_SESSION_HASH", 0, 0);
if (gnutls_fips140_mode_enabled()) {
try("neither negotiates EMS", AES_GCM ":%NO_SESSION_HASH",
AES_GCM ":%NO_SESSION_HASH", GNUTLS_E_INSUFFICIENT_SECURITY,
GNUTLS_E_AGAIN);
} else {
try("neither negotiates EMS", AES_GCM ":%NO_SESSION_HASH",
AES_GCM ":%NO_SESSION_HASH", 0, 0);
}
/* Note that the error codes are swapped based on FIPS mode:
* in FIPS mode, the server doesn't send the extension which
* causes the client to not send the one either, and then the
* server doesn't like the situation. On the other hand, in
* non-FIPS mode, it's the client to decide to abort the
* connection.
*/
if (gnutls_fips140_mode_enabled()) {
try("server doesn't negotiate EMS, client forces EMS",
AES_GCM ":%NO_SESSION_HASH", AES_GCM ":%FORCE_SESSION_HASH",
GNUTLS_E_INSUFFICIENT_SECURITY, GNUTLS_E_AGAIN);
} else {
try("server doesn't negotiate EMS, client forces EMS",
AES_GCM ":%NO_SESSION_HASH", AES_GCM ":%FORCE_SESSION_HASH",
GNUTLS_E_AGAIN, GNUTLS_E_INSUFFICIENT_SECURITY);
}
try("server forces EMS, client doesn't negotiate EMS",
AES_GCM ":%FORCE_SESSION_HASH", AES_GCM ":%NO_SESSION_HASH",
GNUTLS_E_INSUFFICIENT_SECURITY, GNUTLS_E_AGAIN);
gnutls_global_deinit();
}
|
