lib/libssl/t1_clnt.c

   1 /* $OpenBSD: t1_clnt.c,v 1.26 2018/08/30 16:56:16 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_INTERNAL TLS_client_method_internal_data = {
  68         .version = TLS1_2_VERSION,
  69         .min_version = TLS1_VERSION,
  70         .max_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 = ssl3_connect,
  76         .get_ssl_method = tls1_get_client_method,
  77         .get_timeout = tls1_default_timeout,
  78         .ssl_version = ssl_undefined_void_function,
  79         .ssl_renegotiate = ssl_undefined_function,
  80         .ssl_renegotiate_check = ssl_ok,
  81         .ssl_get_message = ssl3_get_message,
  82         .ssl_read_bytes = ssl3_read_bytes,
  83         .ssl_write_bytes = ssl3_write_bytes,
  84         .ssl3_enc = &TLSv1_2_enc_data,
  85 };
  86
  87 static const SSL_METHOD TLS_client_method_data = {
  88         .ssl_dispatch_alert = ssl3_dispatch_alert,
  89         .num_ciphers = ssl3_num_ciphers,
  90         .get_cipher = ssl3_get_cipher,
  91         .get_cipher_by_char = ssl3_get_cipher_by_char,
  92         .put_cipher_by_char = ssl3_put_cipher_by_char,
  93         .internal = &TLS_client_method_internal_data,
  94 };
  95
  96 static const SSL_METHOD_INTERNAL TLSv1_client_method_internal_data = {
  97         .version = TLS1_VERSION,
  98         .min_version = TLS1_VERSION,
  99         .max_version = TLS1_VERSION,
 100         .ssl_new = tls1_new,
 101         .ssl_clear = tls1_clear,
 102         .ssl_free = tls1_free,
 103         .ssl_accept = ssl_undefined_function,
 104         .ssl_connect = ssl3_connect,
 105         .get_ssl_method = tls1_get_client_method,
 106         .get_timeout = tls1_default_timeout,
 107         .ssl_version = ssl_undefined_void_function,
 108         .ssl_renegotiate = ssl3_renegotiate,
 109         .ssl_renegotiate_check = ssl3_renegotiate_check,
 110         .ssl_get_message = ssl3_get_message,
 111         .ssl_read_bytes = ssl3_read_bytes,
 112         .ssl_write_bytes = ssl3_write_bytes,
 113         .ssl3_enc = &TLSv1_enc_data,
 114 };
 115
 116 static const SSL_METHOD TLSv1_client_method_data = {
 117         .ssl_dispatch_alert = ssl3_dispatch_alert,
 118         .num_ciphers = ssl3_num_ciphers,
 119         .get_cipher = ssl3_get_cipher,
 120         .get_cipher_by_char = ssl3_get_cipher_by_char,
 121         .put_cipher_by_char = ssl3_put_cipher_by_char,
 122         .internal = &TLSv1_client_method_internal_data,
 123 };
 124
 125 static const SSL_METHOD_INTERNAL TLSv1_1_client_method_internal_data = {
 126         .version = TLS1_1_VERSION,
 127         .min_version = TLS1_1_VERSION,
 128         .max_version = TLS1_1_VERSION,
 129         .ssl_new = tls1_new,
 130         .ssl_clear = tls1_clear,
 131         .ssl_free = tls1_free,
 132         .ssl_accept = ssl_undefined_function,
 133         .ssl_connect = ssl3_connect,
 134         .get_ssl_method = tls1_get_client_method,
 135         .get_timeout = tls1_default_timeout,
 136         .ssl_version = ssl_undefined_void_function,
 137         .ssl_renegotiate = ssl3_renegotiate,
 138         .ssl_renegotiate_check = ssl3_renegotiate_check,
 139         .ssl_get_message = ssl3_get_message,
 140         .ssl_read_bytes = ssl3_read_bytes,
 141         .ssl_write_bytes = ssl3_write_bytes,
 142         .ssl3_enc = &TLSv1_1_enc_data,
 143 };
 144
 145 static const SSL_METHOD TLSv1_1_client_method_data = {
 146         .ssl_dispatch_alert = ssl3_dispatch_alert,
 147         .num_ciphers = ssl3_num_ciphers,
 148         .get_cipher = ssl3_get_cipher,
 149         .get_cipher_by_char = ssl3_get_cipher_by_char,
 150         .put_cipher_by_char = ssl3_put_cipher_by_char,
 151         .internal = &TLSv1_1_client_method_internal_data,
 152 };
 153
 154 static const SSL_METHOD_INTERNAL TLSv1_2_client_method_internal_data = {
 155         .version = TLS1_2_VERSION,
 156         .min_version = TLS1_2_VERSION,
 157         .max_version = TLS1_2_VERSION,
 158         .ssl_new = tls1_new,
 159         .ssl_clear = tls1_clear,
 160         .ssl_free = tls1_free,
 161         .ssl_accept = ssl_undefined_function,
 162         .ssl_connect = ssl3_connect,
 163         .get_ssl_method = tls1_get_client_method,
 164         .get_timeout = tls1_default_timeout,
 165         .ssl_version = ssl_undefined_void_function,
 166         .ssl_renegotiate = ssl3_renegotiate,
 167         .ssl_renegotiate_check = ssl3_renegotiate_check,
 168         .ssl_get_message = ssl3_get_message,
 169         .ssl_read_bytes = ssl3_read_bytes,
 170         .ssl_write_bytes = ssl3_write_bytes,
 171         .ssl3_enc = &TLSv1_2_enc_data,
 172 };
 173
 174 static const SSL_METHOD TLSv1_2_client_method_data = {
 175         .ssl_dispatch_alert = ssl3_dispatch_alert,
 176         .num_ciphers = ssl3_num_ciphers,
 177         .get_cipher = ssl3_get_cipher,
 178         .get_cipher_by_char = ssl3_get_cipher_by_char,
 179         .put_cipher_by_char = ssl3_put_cipher_by_char,
 180         .internal = &TLSv1_2_client_method_internal_data,
 181 };
 182
 183 const SSL_METHOD *
 184 tls1_get_client_method(int ver)
 185 {
 186         if (ver == TLS1_2_VERSION)
 187                 return (TLSv1_2_client_method());
 188         if (ver == TLS1_1_VERSION)
 189                 return (TLSv1_1_client_method());
 190         if (ver == TLS1_VERSION)
 191                 return (TLSv1_client_method());
 192         return (NULL);
 193 }
 194
 195 const SSL_METHOD *
 196 SSLv23_client_method(void)
 197 {
 198         return (TLS_client_method());
 199 }
 200
 201 const SSL_METHOD *
 202 TLS_client_method(void)
 203 {
 204         return (&TLS_client_method_data);
 205 }
 206
 207 const SSL_METHOD *
 208 TLSv1_client_method(void)
 209 {
 210         return (&TLSv1_client_method_data);
 211 }
 212
 213 const SSL_METHOD *
 214 TLSv1_1_client_method(void)
 215 {
 216         return (&TLSv1_1_client_method_data);
 217 }
 218
 219 const SSL_METHOD *
 220 TLSv1_2_client_method(void)
 221 {
 222         return (&TLSv1_2_client_method_data);
 223 }