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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Copyright (C) 2018 Nikos Mavrogiannopoulos
*
* 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 <http://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include "utils.h"
#include "eagain-common.h"
#include "cert-common.h"
const char *side;
static gnutls_datum_t test_id = { (void*)"\xff\xff\xff\xff\xff\xff", 6 };
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static gnutls_datum_t dbdata = {NULL, 0};
static int
wrap_db_store(void *dbf, gnutls_datum_t key, gnutls_datum_t data)
{
unsigned *try_resume = dbf;
assert(dbdata.data == NULL);
if (!(*try_resume))
return 0;
dbdata.data = gnutls_malloc(data.size);
assert(dbdata.data != NULL);
memcpy(dbdata.data, data.data, data.size);
dbdata.size = data.size;
return 0;
}
static gnutls_datum_t wrap_db_fetch(void *dbf, gnutls_datum_t key)
{
unsigned *try_resume = dbf;
gnutls_datum_t r = {NULL, 0};
if (key.size != test_id.size || memcmp(test_id.data, key.data, test_id.size) != 0)
fail("received ID does not match the expected\n");
if (!(*try_resume))
return r;
r.data = gnutls_malloc(dbdata.size);
assert(r.data != NULL);
memcpy(r.data, dbdata.data, dbdata.size);
r.size = dbdata.size;
return r;
}
static int wrap_db_delete(void *dbf, gnutls_datum_t key)
{
return 0;
}
static void start(const char *test, unsigned try_resume)
{
int ret;
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
gnutls_datum_t data;
char buf[128];
success("%s\n", test);
reset_buffers();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0);
assert(gnutls_certificate_set_x509_key_mem(serverx509cred,
&server_cert, &server_key,
GNUTLS_X509_FMT_PEM)>=0);
assert(gnutls_init(&server, GNUTLS_SERVER)>=0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_set_default_priority(server);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
gnutls_db_set_retrieve_function(server, wrap_db_fetch);
gnutls_db_set_remove_function(server, wrap_db_delete);
gnutls_db_set_store_function(server, wrap_db_store);
gnutls_db_set_ptr(server, &try_resume);
assert(gnutls_certificate_allocate_credentials(&clientx509cred)>=0);
assert(gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM)>=0);
assert(gnutls_init(&client, GNUTLS_CLIENT)>=0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred)>=0);
assert(gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(buf, 0, sizeof(buf));
ret = gnutls_session_set_data(client, buf, sizeof(buf));
if (ret != GNUTLS_E_DB_ERROR) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
HANDSHAKE(client, server);
ret = gnutls_session_get_data2(client, &data);
if (ret != 0) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_deinit(client);
gnutls_deinit(server);
assert(gnutls_init(&server, GNUTLS_SERVER)>=0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_set_default_priority(server);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
gnutls_db_set_retrieve_function(server, wrap_db_fetch);
gnutls_db_set_remove_function(server, wrap_db_delete);
gnutls_db_set_store_function(server, wrap_db_store);
gnutls_db_set_ptr(server, &try_resume);
assert(gnutls_init(&client, GNUTLS_CLIENT)>=0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred)>=0);
assert(gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(buf, 0, sizeof(buf));
ret = gnutls_session_set_id(client, &test_id);
if (ret != 0) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_free(data.data);
if (try_resume) {
HANDSHAKE_EXPECT(client, server, GNUTLS_E_UNEXPECTED_PACKET, GNUTLS_E_AGAIN);
} else {
HANDSHAKE(client, server);
}
assert(gnutls_session_resumption_requested(client) == 0);
gnutls_bye(client, GNUTLS_SHUT_RDWR);
gnutls_bye(server, GNUTLS_SHUT_RDWR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(serverx509cred);
gnutls_certificate_free_credentials(clientx509cred);
gnutls_free(dbdata.data);
dbdata.size = 0;
}
void doit(void)
{
start("functional: see if session ID is sent", 0);
start("negative: see if the expected error is seen on client side", 1);
}
|
