Update libressl README.DRAGONFLY for v2.4.4
[dragonfly.git] / crypto / libressl / ssl / t1_clnt.c
1 /* $OpenBSD: t1_clnt.c,v 1.17 2015/02/06 08:30:23 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #include <stdio.h>
60
61 #include "ssl_locl.h"
62
63 #include <openssl/buffer.h>
64 #include <openssl/evp.h>
65 #include <openssl/objects.h>
66
67 static const SSL_METHOD *tls1_get_client_method(int ver);
68
69 const SSL_METHOD TLS_client_method_data = {
70         .version = TLS1_2_VERSION,
71         .ssl_new = tls1_new,
72         .ssl_clear = tls1_clear,
73         .ssl_free = tls1_free,
74         .ssl_accept = ssl_undefined_function,
75         .ssl_connect = ssl23_connect,
76         .ssl_read = ssl23_read,
77         .ssl_peek = ssl23_peek,
78         .ssl_write = ssl23_write,
79         .ssl_shutdown = ssl_undefined_function,
80         .ssl_renegotiate = ssl_undefined_function,
81         .ssl_renegotiate_check = ssl_ok,
82         .ssl_get_message = ssl3_get_message,
83         .ssl_read_bytes = ssl3_read_bytes,
84         .ssl_write_bytes = ssl3_write_bytes,
85         .ssl_dispatch_alert = ssl3_dispatch_alert,
86         .ssl_ctrl = ssl3_ctrl,
87         .ssl_ctx_ctrl = ssl3_ctx_ctrl,
88         .get_cipher_by_char = ssl3_get_cipher_by_char,
89         .put_cipher_by_char = ssl3_put_cipher_by_char,
90         .ssl_pending = ssl_undefined_const_function,
91         .num_ciphers = ssl3_num_ciphers,
92         .get_cipher = ssl3_get_cipher,
93         .get_ssl_method = tls1_get_client_method,
94         .get_timeout = ssl23_default_timeout,
95         .ssl3_enc = &ssl3_undef_enc_method,
96         .ssl_version = ssl_undefined_void_function,
97         .ssl_callback_ctrl = ssl3_callback_ctrl,
98         .ssl_ctx_callback_ctrl = ssl3_ctx_callback_ctrl,
99 };
100
101 const SSL_METHOD TLSv1_client_method_data = {
102         .version = TLS1_VERSION,
103         .ssl_new = tls1_new,
104         .ssl_clear = tls1_clear,
105         .ssl_free = tls1_free,
106         .ssl_accept = ssl_undefined_function,
107         .ssl_connect = ssl3_connect,
108         .ssl_read = ssl3_read,
109         .ssl_peek = ssl3_peek,
110         .ssl_write = ssl3_write,
111         .ssl_shutdown = ssl3_shutdown,
112         .ssl_renegotiate = ssl3_renegotiate,
113         .ssl_renegotiate_check = ssl3_renegotiate_check,
114         .ssl_get_message = ssl3_get_message,
115         .ssl_read_bytes = ssl3_read_bytes,
116         .ssl_write_bytes = ssl3_write_bytes,
117         .ssl_dispatch_alert = ssl3_dispatch_alert,
118         .ssl_ctrl = ssl3_ctrl,
119         .ssl_ctx_ctrl = ssl3_ctx_ctrl,
120         .get_cipher_by_char = ssl3_get_cipher_by_char,
121         .put_cipher_by_char = ssl3_put_cipher_by_char,
122         .ssl_pending = ssl3_pending,
123         .num_ciphers = ssl3_num_ciphers,
124         .get_cipher = ssl3_get_cipher,
125         .get_ssl_method = tls1_get_client_method,
126         .get_timeout = tls1_default_timeout,
127         .ssl3_enc = &TLSv1_enc_data,
128         .ssl_version = ssl_undefined_void_function,
129         .ssl_callback_ctrl = ssl3_callback_ctrl,
130         .ssl_ctx_callback_ctrl = ssl3_ctx_callback_ctrl,
131 };
132
133 const SSL_METHOD TLSv1_1_client_method_data = {
134         .version = TLS1_1_VERSION,
135         .ssl_new = tls1_new,
136         .ssl_clear = tls1_clear,
137         .ssl_free = tls1_free,
138         .ssl_accept = ssl_undefined_function,
139         .ssl_connect = ssl3_connect,
140         .ssl_read = ssl3_read,
141         .ssl_peek = ssl3_peek,
142         .ssl_write = ssl3_write,
143         .ssl_shutdown = ssl3_shutdown,
144         .ssl_renegotiate = ssl3_renegotiate,
145         .ssl_renegotiate_check = ssl3_renegotiate_check,
146         .ssl_get_message = ssl3_get_message,
147         .ssl_read_bytes = ssl3_read_bytes,
148         .ssl_write_bytes = ssl3_write_bytes,
149         .ssl_dispatch_alert = ssl3_dispatch_alert,
150         .ssl_ctrl = ssl3_ctrl,
151         .ssl_ctx_ctrl = ssl3_ctx_ctrl,
152         .get_cipher_by_char = ssl3_get_cipher_by_char,
153         .put_cipher_by_char = ssl3_put_cipher_by_char,
154         .ssl_pending = ssl3_pending,
155         .num_ciphers = ssl3_num_ciphers,
156         .get_cipher = ssl3_get_cipher,
157         .get_ssl_method = tls1_get_client_method,
158         .get_timeout = tls1_default_timeout,
159         .ssl3_enc = &TLSv1_1_enc_data,
160         .ssl_version = ssl_undefined_void_function,
161         .ssl_callback_ctrl = ssl3_callback_ctrl,
162         .ssl_ctx_callback_ctrl = ssl3_ctx_callback_ctrl,
163 };
164
165 const SSL_METHOD TLSv1_2_client_method_data = {
166         .version = TLS1_2_VERSION,
167         .ssl_new = tls1_new,
168         .ssl_clear = tls1_clear,
169         .ssl_free = tls1_free,
170         .ssl_accept = ssl_undefined_function,
171         .ssl_connect = ssl3_connect,
172         .ssl_read = ssl3_read,
173         .ssl_peek = ssl3_peek,
174         .ssl_write = ssl3_write,
175         .ssl_shutdown = ssl3_shutdown,
176         .ssl_renegotiate = ssl3_renegotiate,
177         .ssl_renegotiate_check = ssl3_renegotiate_check,
178         .ssl_get_message = ssl3_get_message,
179         .ssl_read_bytes = ssl3_read_bytes,
180         .ssl_write_bytes = ssl3_write_bytes,
181         .ssl_dispatch_alert = ssl3_dispatch_alert,
182         .ssl_ctrl = ssl3_ctrl,
183         .ssl_ctx_ctrl = ssl3_ctx_ctrl,
184         .get_cipher_by_char = ssl3_get_cipher_by_char,
185         .put_cipher_by_char = ssl3_put_cipher_by_char,
186         .ssl_pending = ssl3_pending,
187         .num_ciphers = ssl3_num_ciphers,
188         .get_cipher = ssl3_get_cipher,
189         .get_ssl_method = tls1_get_client_method,
190         .get_timeout = tls1_default_timeout,
191         .ssl3_enc = &TLSv1_2_enc_data,
192         .ssl_version = ssl_undefined_void_function,
193         .ssl_callback_ctrl = ssl3_callback_ctrl,
194         .ssl_ctx_callback_ctrl = ssl3_ctx_callback_ctrl,
195 };
196
197 static const SSL_METHOD *
198 tls1_get_client_method(int ver)
199 {
200         if (ver == TLS1_2_VERSION)
201                 return (TLSv1_2_client_method());
202         if (ver == TLS1_1_VERSION)
203                 return (TLSv1_1_client_method());
204         if (ver == TLS1_VERSION)
205                 return (TLSv1_client_method());
206         return (NULL);
207 }
208
209 const SSL_METHOD *
210 SSLv23_client_method(void)
211 {
212         return (TLS_client_method());
213 }
214
215 const SSL_METHOD *
216 TLS_client_method(void)
217 {
218         return (&TLS_client_method_data);
219 }
220
221 const SSL_METHOD *
222 TLSv1_client_method(void)
223 {
224         return (&TLSv1_client_method_data);
225 }
226
227 const SSL_METHOD *
228 TLSv1_1_client_method(void)
229 {
230         return (&TLSv1_1_client_method_data);
231 }
232
233 const SSL_METHOD *
234 TLSv1_2_client_method(void)
235 {
236         return (&TLSv1_2_client_method_data);
237 }