ssl/methods.c

   1 /* ssl/t1_meth.c */
   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  * Copyright (c) 1998-2015 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <openssl/objects.h>
 114 #include "ssl_locl.h"
 115
 116 /*
 117  * TLS/SSLv3 methods
 118  */
 119
 120 static const SSL_METHOD *tls1_get_method(int ver)
 121 {
 122     if (ver == TLS_ANY_VERSION)
 123         return TLS_method();
 124     if (ver == TLS1_2_VERSION)
 125         return TLSv1_2_method();
 126     if (ver == TLS1_1_VERSION)
 127         return TLSv1_1_method();
 128     if (ver == TLS1_VERSION)
 129         return TLSv1_method();
 130 #ifndef OPENSSL_NO_SSL3
 131     if (ver == SSL3_VERSION)
 132         return (SSLv3_method());
 133     else
 134 #endif
 135     return NULL;
 136 }
 137
 138 IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, TLS_method,
 139                         ossl_statem_accept,
 140                         ossl_statem_connect, tls1_get_method, TLSv1_2_enc_data)
 141
 142 IMPLEMENT_tls_meth_func(TLS1_2_VERSION, TLSv1_2_method,
 143                         ossl_statem_accept,
 144                         ossl_statem_connect, tls1_get_method, TLSv1_2_enc_data)
 145
 146 IMPLEMENT_tls_meth_func(TLS1_1_VERSION, TLSv1_1_method,
 147                         ossl_statem_accept,
 148                         ossl_statem_connect, tls1_get_method, TLSv1_1_enc_data)
 149
 150 IMPLEMENT_tls_meth_func(TLS1_VERSION, TLSv1_method,
 151                         ossl_statem_accept,
 152                         ossl_statem_connect, tls1_get_method, TLSv1_enc_data)
 153
 154 #ifndef OPENSSL_NO_SSL3_METHOD
 155 IMPLEMENT_ssl3_meth_func(SSLv3_method, ossl_statem_accept, ossl_statem_connect,
 156                          tls1_get_method)
 157 #endif
 158
 159
 160 /*
 161  * TLS/SSLv3 server methods
 162  */
 163
 164 static const SSL_METHOD *tls1_get_server_method(int ver)
 165 {
 166     if (ver == TLS_ANY_VERSION)
 167         return TLS_server_method();
 168     if (ver == TLS1_2_VERSION)
 169         return TLSv1_2_server_method();
 170     if (ver == TLS1_1_VERSION)
 171         return TLSv1_1_server_method();
 172     if (ver == TLS1_VERSION)
 173         return TLSv1_server_method();
 174 #ifndef OPENSSL_NO_SSL3
 175     if (ver == SSL3_VERSION)
 176         return (SSLv3_server_method());
 177 #endif
 178     return NULL;
 179 }
 180
 181 IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, TLS_server_method,
 182                         ossl_statem_accept,
 183                         ssl_undefined_function,
 184                         tls1_get_server_method, TLSv1_2_enc_data)
 185
 186 IMPLEMENT_tls_meth_func(TLS1_2_VERSION, TLSv1_2_server_method,
 187                         ossl_statem_accept,
 188                         ssl_undefined_function,
 189                         tls1_get_server_method, TLSv1_2_enc_data)
 190
 191 IMPLEMENT_tls_meth_func(TLS1_1_VERSION, TLSv1_1_server_method,
 192                         ossl_statem_accept,
 193                         ssl_undefined_function,
 194                         tls1_get_server_method, TLSv1_1_enc_data)
 195
 196 IMPLEMENT_tls_meth_func(TLS1_VERSION, TLSv1_server_method,
 197                         ossl_statem_accept,
 198                         ssl_undefined_function,
 199                         tls1_get_server_method, TLSv1_enc_data)
 200
 201 #ifndef OPENSSL_NO_SSL3_METHOD
 202 IMPLEMENT_ssl3_meth_func(SSLv3_server_method,
 203                          ossl_statem_accept,
 204                          ssl_undefined_function, tls1_get_server_method)
 205 #endif
 206
 207
 208 /*
 209  * TLS/SSLv3 client methods
 210  */
 211
 212 static const SSL_METHOD *tls1_get_client_method(int ver)
 213 {
 214     if (ver == TLS_ANY_VERSION)
 215         return TLS_client_method();
 216     if (ver == TLS1_2_VERSION)
 217         return TLSv1_2_client_method();
 218     if (ver == TLS1_1_VERSION)
 219         return TLSv1_1_client_method();
 220     if (ver == TLS1_VERSION)
 221         return TLSv1_client_method();
 222 #ifndef OPENSSL_NO_SSL3
 223     if (ver == SSL3_VERSION)
 224         return (SSLv3_client_method());
 225 #endif
 226     return NULL;
 227 }
 228
 229 IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, TLS_client_method,
 230                         ssl_undefined_function,
 231                         ossl_statem_connect,
 232                         tls1_get_client_method, TLSv1_2_enc_data)
 233
 234 IMPLEMENT_tls_meth_func(TLS1_2_VERSION, TLSv1_2_client_method,
 235                         ssl_undefined_function,
 236                         ossl_statem_connect,
 237                         tls1_get_client_method, TLSv1_2_enc_data)
 238
 239 IMPLEMENT_tls_meth_func(TLS1_1_VERSION, TLSv1_1_client_method,
 240                         ssl_undefined_function,
 241                         ossl_statem_connect,
 242                         tls1_get_client_method, TLSv1_1_enc_data)
 243
 244 IMPLEMENT_tls_meth_func(TLS1_VERSION, TLSv1_client_method,
 245                         ssl_undefined_function,
 246                         ossl_statem_connect,
 247                         tls1_get_client_method, TLSv1_enc_data)
 248
 249 #ifndef OPENSSL_NO_SSL3_METHOD
 250 IMPLEMENT_ssl3_meth_func(SSLv3_client_method,
 251                          ssl_undefined_function,
 252                          ossl_statem_connect, tls1_get_client_method)
 253 #endif
 254
 255
 256 /*
 257  * DTLS methods
 258  */
 259 static const SSL_METHOD *dtls1_get_method(int ver)
 260 {
 261     if (ver == DTLS1_VERSION)
 262         return (DTLSv1_method());
 263     else if (ver == DTLS1_2_VERSION)
 264         return (DTLSv1_2_method());
 265     else
 266         return (NULL);
 267 }
 268
 269 IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
 270                           DTLSv1_method,
 271                           ossl_statem_accept,
 272                           ossl_statem_connect,
 273                           dtls1_get_method, DTLSv1_enc_data)
 274
 275 IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
 276                           DTLSv1_2_method,
 277                           ossl_statem_accept,
 278                           ossl_statem_connect,
 279                           dtls1_get_method, DTLSv1_2_enc_data)
 280
 281 IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
 282                           DTLS_method,
 283                           ossl_statem_accept,
 284                           ossl_statem_connect,
 285                           dtls1_get_method, DTLSv1_2_enc_data)
 286
 287
 288 /*
 289  * DTLS server methods
 290  */
 291
 292 static const SSL_METHOD *dtls1_get_server_method(int ver)
 293 {
 294     if (ver == DTLS1_VERSION)
 295         return (DTLSv1_server_method());
 296     else if (ver == DTLS1_2_VERSION)
 297         return (DTLSv1_2_server_method());
 298     else
 299         return (NULL);
 300 }
 301
 302 IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
 303                           DTLSv1_server_method,
 304                           ossl_statem_accept,
 305                           ssl_undefined_function,
 306                           dtls1_get_server_method, DTLSv1_enc_data)
 307
 308 IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
 309                           DTLSv1_2_server_method,
 310                           ossl_statem_accept,
 311                           ssl_undefined_function,
 312                           dtls1_get_server_method, DTLSv1_2_enc_data)
 313
 314 IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
 315                           DTLS_server_method,
 316                           ossl_statem_accept,
 317                           ssl_undefined_function,
 318                           dtls1_get_server_method, DTLSv1_2_enc_data)
 319
 320
 321 /*
 322  * DTLS client methods
 323  */
 324
 325 static const SSL_METHOD *dtls1_get_client_method(int ver)
 326 {
 327     if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
 328         return (DTLSv1_client_method());
 329     else if (ver == DTLS1_2_VERSION)
 330         return (DTLSv1_2_client_method());
 331     else
 332         return (NULL);
 333 }
 334
 335 IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
 336                           DTLSv1_client_method,
 337                           ssl_undefined_function,
 338                           ossl_statem_connect,
 339                           dtls1_get_client_method, DTLSv1_enc_data)
 340
 341 IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
 342                           DTLSv1_2_client_method,
 343                           ssl_undefined_function,
 344                           ossl_statem_connect,
 345                           dtls1_get_client_method, DTLSv1_2_enc_data)
 346
 347 IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
 348                           DTLS_client_method,
 349                           ssl_undefined_function,
 350                           ossl_statem_connect,
 351                           dtls1_get_client_method, DTLSv1_2_enc_data)