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Adam Langley95c29f32014-06-20 12:00:00 -07001/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
David Benjamin9e4e01e2015-09-15 01:48:04 -040057#include <openssl/ssl.h>
58
David Benjamin2ee94aa2015-04-07 22:38:30 -040059#include "internal.h"
Adam Langley95c29f32014-06-20 12:00:00 -070060
61
David Benjamin82c9e902014-12-12 15:55:27 -050062static const SSL_PROTOCOL_METHOD TLS_protocol_method = {
David Benjamin9e13e1a2015-03-05 01:56:32 -050063 0 /* is_dtls */,
David Benjamin82c9e902014-12-12 15:55:27 -050064 ssl3_new,
David Benjamin82c9e902014-12-12 15:55:27 -050065 ssl3_free,
David Benjamin82c9e902014-12-12 15:55:27 -050066 ssl3_get_message,
David Benjamina6022772015-05-30 16:22:10 -040067 ssl3_read_app_data,
David Benjamina41280d2015-11-26 02:16:49 -050068 ssl3_read_change_cipher_spec,
David Benjamina6022772015-05-30 16:22:10 -040069 ssl3_read_close_notify,
David Benjaminc933a472015-05-30 16:14:58 -040070 ssl3_write_app_data,
David Benjamin82c9e902014-12-12 15:55:27 -050071 ssl3_dispatch_alert,
David Benjamina1c90a52015-05-30 17:03:14 -040072 ssl3_supports_cipher,
David Benjamin75836432016-06-17 18:48:29 -040073 ssl3_init_message,
74 ssl3_finish_message,
75 ssl3_write_message,
David Benjaminaa7734b2016-06-07 16:40:46 -040076 ssl3_send_change_cipher_spec,
77 ssl3_expect_flight,
78 ssl3_received_flight,
David Benjamin82c9e902014-12-12 15:55:27 -050079};
David Benjamin5b33a5e2014-09-24 16:27:30 -040080
David Benjamin82c9e902014-12-12 15:55:27 -050081const SSL_METHOD *TLS_method(void) {
82 static const SSL_METHOD method = {
83 0,
84 &TLS_protocol_method,
85 };
86 return &method;
87}
David Benjamin5b33a5e2014-09-24 16:27:30 -040088
David Benjamin82c9e902014-12-12 15:55:27 -050089const SSL_METHOD *SSLv23_method(void) {
90 return TLS_method();
91}
David Benjamin5b33a5e2014-09-24 16:27:30 -040092
David Benjamin82c9e902014-12-12 15:55:27 -050093/* Legacy version-locked methods. */
David Benjamincde8aba2014-11-23 15:47:20 -050094
David Benjamin82c9e902014-12-12 15:55:27 -050095const SSL_METHOD *TLSv1_2_method(void) {
96 static const SSL_METHOD method = {
97 TLS1_2_VERSION,
98 &TLS_protocol_method,
99 };
100 return &method;
101}
David Benjamincde8aba2014-11-23 15:47:20 -0500102
David Benjamin82c9e902014-12-12 15:55:27 -0500103const SSL_METHOD *TLSv1_1_method(void) {
104 static const SSL_METHOD method = {
105 TLS1_1_VERSION,
106 &TLS_protocol_method,
107 };
108 return &method;
109}
David Benjamincde8aba2014-11-23 15:47:20 -0500110
David Benjamin82c9e902014-12-12 15:55:27 -0500111const SSL_METHOD *TLSv1_method(void) {
112 static const SSL_METHOD method = {
113 TLS1_VERSION,
114 &TLS_protocol_method,
115 };
116 return &method;
117}
David Benjamincde8aba2014-11-23 15:47:20 -0500118
David Benjamin82c9e902014-12-12 15:55:27 -0500119const SSL_METHOD *SSLv3_method(void) {
120 static const SSL_METHOD method = {
121 SSL3_VERSION,
122 &TLS_protocol_method,
123 };
124 return &method;
125}
David Benjamincde8aba2014-11-23 15:47:20 -0500126
David Benjamin82c9e902014-12-12 15:55:27 -0500127/* Legacy side-specific methods. */
David Benjamincde8aba2014-11-23 15:47:20 -0500128
David Benjamin82c9e902014-12-12 15:55:27 -0500129const SSL_METHOD *TLSv1_2_server_method(void) {
130 return TLSv1_2_method();
131}
David Benjamincde8aba2014-11-23 15:47:20 -0500132
David Benjamin82c9e902014-12-12 15:55:27 -0500133const SSL_METHOD *TLSv1_1_server_method(void) {
134 return TLSv1_1_method();
135}
David Benjamincde8aba2014-11-23 15:47:20 -0500136
David Benjamin82c9e902014-12-12 15:55:27 -0500137const SSL_METHOD *TLSv1_server_method(void) {
138 return TLSv1_method();
139}
140
141const SSL_METHOD *SSLv3_server_method(void) {
142 return SSLv3_method();
143}
144
145const SSL_METHOD *TLSv1_2_client_method(void) {
146 return TLSv1_2_method();
147}
148
149const SSL_METHOD *TLSv1_1_client_method(void) {
150 return TLSv1_1_method();
151}
152
153const SSL_METHOD *TLSv1_client_method(void) {
154 return TLSv1_method();
155}
156
157const SSL_METHOD *SSLv3_client_method(void) {
158 return SSLv3_method();
159}
160
161const SSL_METHOD *SSLv23_server_method(void) {
162 return SSLv23_method();
163}
164
165const SSL_METHOD *SSLv23_client_method(void) {
166 return SSLv23_method();
167}