1 /* ssl/d1_meth.h */
2 /*
3 * DTLS implementation written by Nagendra Modadugu
4 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
5 */
6 /* ====================================================================
7 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * openssl-core@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 * acknowledgment:
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com). */
57
58 #include "internal.h"
59
60
61 static const SSL_PROTOCOL_METHOD DTLS_protocol_method = {
62 1 /* is_dtls */,
63 dtls1_new,
64 dtls1_free,
65 dtls1_accept,
66 dtls1_connect,
67 dtls1_get_message,
68 dtls1_read_app_data,
69 dtls1_read_close_notify,
70 dtls1_write_app_data,
71 dtls1_dispatch_alert,
72 ssl3_ctrl,
73 ssl3_ctx_ctrl,
74 dtls1_supports_cipher,
75 DTLS1_HM_HEADER_LENGTH,
76 dtls1_set_handshake_header,
77 dtls1_handshake_write,
78 };
79
DTLS_method(void)80 const SSL_METHOD *DTLS_method(void) {
81 static const SSL_METHOD method = {
82 0,
83 &DTLS_protocol_method,
84 };
85 return &method;
86 }
87
88 /* Legacy version-locked methods. */
89
DTLSv1_2_method(void)90 const SSL_METHOD *DTLSv1_2_method(void) {
91 static const SSL_METHOD method = {
92 DTLS1_2_VERSION,
93 &DTLS_protocol_method,
94 };
95 return &method;
96 }
97
DTLSv1_method(void)98 const SSL_METHOD *DTLSv1_method(void) {
99 static const SSL_METHOD method = {
100 DTLS1_VERSION,
101 &DTLS_protocol_method,
102 };
103 return &method;
104 }
105
106 /* Legacy side-specific methods. */
107
DTLSv1_2_server_method(void)108 const SSL_METHOD *DTLSv1_2_server_method(void) {
109 return DTLSv1_2_method();
110 }
111
DTLSv1_server_method(void)112 const SSL_METHOD *DTLSv1_server_method(void) {
113 return DTLSv1_method();
114 }
115
DTLSv1_2_client_method(void)116 const SSL_METHOD *DTLSv1_2_client_method(void) {
117 return DTLSv1_2_method();
118 }
119
DTLSv1_client_method(void)120 const SSL_METHOD *DTLSv1_client_method(void) {
121 return DTLSv1_method();
122 }
123
DTLS_server_method(void)124 const SSL_METHOD *DTLS_server_method(void) {
125 return DTLS_method();
126 }
127
DTLS_client_method(void)128 const SSL_METHOD *DTLS_client_method(void) {
129 return DTLS_method();
130 }
131