ssl/ssl_locl.h

   1 /* ssl/ssl_locl.h */
   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) 1998-2007 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  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 #ifndef HEADER_SSL_LOCL_H
 144 #define HEADER_SSL_LOCL_H
 145 #include <stdlib.h>
 146 #include <time.h>
 147 #include <string.h>
 148 #include <errno.h>
 149
 150 #include "e_os.h"
 151
 152 #include <openssl/buffer.h>
 153 #ifndef OPENSSL_NO_COMP
 154 #include <openssl/comp.h>
 155 #endif
 156 #include <openssl/bio.h>
 157 #include <openssl/stack.h>
 158 #ifndef OPENSSL_NO_RSA
 159 #include <openssl/rsa.h>
 160 #endif
 161 #ifndef OPENSSL_NO_DSA
 162 #include <openssl/dsa.h>
 163 #endif
 164 #include <openssl/err.h>
 165 #include <openssl/ssl.h>
 166 #include <openssl/symhacks.h>
 167
 168 #ifdef OPENSSL_BUILD_SHLIBSSL
 169 # undef OPENSSL_EXTERN
 170 # define OPENSSL_EXTERN OPENSSL_EXPORT
 171 #endif
 172
 173 #undef PKCS1_CHECK
 174
 175 #define c2l(c,l)        (l = ((unsigned long)(*((c)++)))     , \
 176                          l|=(((unsigned long)(*((c)++)))<< 8), \
 177                          l|=(((unsigned long)(*((c)++)))<<16), \
 178                          l|=(((unsigned long)(*((c)++)))<<24))
 179
 180 /* NOTE - c is not incremented as per c2l */
 181 #define c2ln(c,l1,l2,n) { \
 182                         c+=n; \
 183                         l1=l2=0; \
 184                         switch (n) { \
 185                         case 8: l2 =((unsigned long)(*(--(c))))<<24; \
 186                         case 7: l2|=((unsigned long)(*(--(c))))<<16; \
 187                         case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
 188                         case 5: l2|=((unsigned long)(*(--(c))));     \
 189                         case 4: l1 =((unsigned long)(*(--(c))))<<24; \
 190                         case 3: l1|=((unsigned long)(*(--(c))))<<16; \
 191                         case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
 192                         case 1: l1|=((unsigned long)(*(--(c))));     \
 193                                 } \
 194                         }
 195
 196 #define l2c(l,c)        (*((c)++)=(unsigned char)(((l)    )&0xff), \
 197                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 198                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 199                          *((c)++)=(unsigned char)(((l)>>24)&0xff))
 200
 201 #define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24, \
 202                          l|=((unsigned long)(*((c)++)))<<16, \
 203                          l|=((unsigned long)(*((c)++)))<< 8, \
 204                          l|=((unsigned long)(*((c)++))))
 205
 206 #define l2n(l,c)        (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
 207                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 208                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 209                          *((c)++)=(unsigned char)(((l)    )&0xff))
 210
 211 #define l2n6(l,c)       (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
 212                          *((c)++)=(unsigned char)(((l)>>32)&0xff), \
 213                          *((c)++)=(unsigned char)(((l)>>24)&0xff), \
 214                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 215                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 216                          *((c)++)=(unsigned char)(((l)    )&0xff))
 217
 218 #define l2n8(l,c)       (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
 219                          *((c)++)=(unsigned char)(((l)>>48)&0xff), \
 220                          *((c)++)=(unsigned char)(((l)>>40)&0xff), \
 221                          *((c)++)=(unsigned char)(((l)>>32)&0xff), \
 222                          *((c)++)=(unsigned char)(((l)>>24)&0xff), \
 223                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 224                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 225                          *((c)++)=(unsigned char)(((l)    )&0xff))
 226
 227 #define n2l6(c,l)       (l =((BN_ULLONG)(*((c)++)))<<40, \
 228                          l|=((BN_ULLONG)(*((c)++)))<<32, \
 229                          l|=((BN_ULLONG)(*((c)++)))<<24, \
 230                          l|=((BN_ULLONG)(*((c)++)))<<16, \
 231                          l|=((BN_ULLONG)(*((c)++)))<< 8, \
 232                          l|=((BN_ULLONG)(*((c)++))))
 233
 234 /* NOTE - c is not incremented as per l2c */
 235 #define l2cn(l1,l2,c,n) { \
 236                         c+=n; \
 237                         switch (n) { \
 238                         case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
 239                         case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
 240                         case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
 241                         case 5: *(--(c))=(unsigned char)(((l2)    )&0xff); \
 242                         case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
 243                         case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
 244                         case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
 245                         case 1: *(--(c))=(unsigned char)(((l1)    )&0xff); \
 246                                 } \
 247                         }
 248
 249 #define n2s(c,s)        ((s=(((unsigned int)(c[0]))<< 8)| \
 250                             (((unsigned int)(c[1]))    )),c+=2)
 251 #define s2n(s,c)        ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
 252                           c[1]=(unsigned char)(((s)    )&0xff)),c+=2)
 253
 254 #define n2l3(c,l)       ((l =(((unsigned long)(c[0]))<<16)| \
 255                              (((unsigned long)(c[1]))<< 8)| \
 256                              (((unsigned long)(c[2]))    )),c+=3)
 257
 258 #define l2n3(l,c)       ((c[0]=(unsigned char)(((l)>>16)&0xff), \
 259                           c[1]=(unsigned char)(((l)>> 8)&0xff), \
 260                           c[2]=(unsigned char)(((l)    )&0xff)),c+=3)
 261
 262 /* LOCAL STUFF */
 263
 264 #define SSL_DECRYPT     0
 265 #define SSL_ENCRYPT     1
 266
 267 #define TWO_BYTE_BIT    0x80
 268 #define SEC_ESC_BIT     0x40
 269 #define TWO_BYTE_MASK   0x7fff
 270 #define THREE_BYTE_MASK 0x3fff
 271
 272 #define INC32(a)        ((a)=((a)+1)&0xffffffffL)
 273 #define DEC32(a)        ((a)=((a)-1)&0xffffffffL)
 274 #define MAX_MAC_SIZE    20 /* up from 16 for SSLv3 */
 275
 276 /*
 277  * Define the Bitmasks for SSL_CIPHER.algorithms.
 278  * This bits are used packed as dense as possible. If new methods/ciphers
 279  * etc will be added, the bits a likely to change, so this information
 280  * is for internal library use only, even though SSL_CIPHER.algorithms
 281  * can be publicly accessed.
 282  * Use the according functions for cipher management instead.
 283  *
 284  * The bit mask handling in the selection and sorting scheme in
 285  * ssl_create_cipher_list() has only limited capabilities, reflecting
 286  * that the different entities within are mutually exclusive:
 287  * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
 288  */
 289
 290 /* Bits for algorithm_mkey (key exchange algorithm) */
 291 #define SSL_kRSA                0x00000001L /* RSA key exchange */
 292 #define SSL_kDHr                0x00000002L /* DH cert, RSA CA cert */
 293 #define SSL_kDHd                0x00000004L /* DH cert, DSA CA cert */
 294 #define SSL_kDHE                0x00000008L /* tmp DH key no DH cert */
 295 #define SSL_kEDH                SSL_kDHE    /* synonym */
 296 #define SSL_kKRB5               0x00000010L /* Kerberos5 key exchange */
 297 #define SSL_kECDHr              0x00000020L /* ECDH cert, RSA CA cert */
 298 #define SSL_kECDHe              0x00000040L /* ECDH cert, ECDSA CA cert */
 299 #define SSL_kECDHE              0x00000080L /* ephemeral ECDH */
 300 #define SSL_kEECDH              SSL_kECDHE  /* synonym */
 301 #define SSL_kPSK                0x00000100L /* PSK */
 302 #define SSL_kGOST       0x00000200L /* GOST key exchange */
 303 #define SSL_kSRP        0x00000400L /* SRP */
 304
 305 /* Bits for algorithm_auth (server authentication) */
 306 #define SSL_aRSA                0x00000001L /* RSA auth */
 307 #define SSL_aDSS                0x00000002L /* DSS auth */
 308 #define SSL_aNULL               0x00000004L /* no auth (i.e. use ADH or AECDH) */
 309 #define SSL_aDH                 0x00000008L /* Fixed DH auth (kDHd or kDHr) */
 310 #define SSL_aECDH               0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
 311 #define SSL_aKRB5               0x00000020L /* KRB5 auth */
 312 #define SSL_aECDSA              0x00000040L /* ECDSA auth*/
 313 #define SSL_aPSK                0x00000080L /* PSK auth */
 314 #define SSL_aGOST94                             0x00000100L /* GOST R 34.10-94 signature auth */
 315 #define SSL_aGOST01                     0x00000200L /* GOST R 34.10-2001 signature auth */
 316 #define SSL_aSRP                0x00000400L /* SRP auth */
 317
 318
 319 /* Bits for algorithm_enc (symmetric encryption) */
 320 #define SSL_DES                 0x00000001L
 321 #define SSL_3DES                0x00000002L
 322 #define SSL_RC4                 0x00000004L
 323 #define SSL_RC2                 0x00000008L
 324 #define SSL_IDEA                0x00000010L
 325 #define SSL_eNULL               0x00000020L
 326 #define SSL_AES128              0x00000040L
 327 #define SSL_AES256              0x00000080L
 328 #define SSL_CAMELLIA128         0x00000100L
 329 #define SSL_CAMELLIA256         0x00000200L
 330 #define SSL_eGOST2814789CNT     0x00000400L
 331 #define SSL_SEED                0x00000800L
 332 #define SSL_AES128GCM           0x00001000L
 333 #define SSL_AES256GCM           0x00002000L
 334
 335 #define SSL_AES                 (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
 336 #define SSL_CAMELLIA            (SSL_CAMELLIA128|SSL_CAMELLIA256)
 337
 338
 339 /* Bits for algorithm_mac (symmetric authentication) */
 340
 341 #define SSL_MD5                 0x00000001L
 342 #define SSL_SHA1                0x00000002L
 343 #define SSL_GOST94      0x00000004L
 344 #define SSL_GOST89MAC   0x00000008L
 345 #define SSL_SHA256              0x00000010L
 346 #define SSL_SHA384              0x00000020L
 347 /* Not a real MAC, just an indication it is part of cipher */
 348 #define SSL_AEAD                0x00000040L
 349
 350 /* Bits for algorithm_ssl (protocol version) */
 351 #define SSL_SSLV2               0x00000001L
 352 #define SSL_SSLV3               0x00000002L
 353 #define SSL_TLSV1               SSL_SSLV3       /* for now */
 354 #define SSL_TLSV1_2             0x00000004L
 355
 356
 357 /* Bits for algorithm2 (handshake digests and other extra flags) */
 358
 359 #define SSL_HANDSHAKE_MAC_MD5 0x10
 360 #define SSL_HANDSHAKE_MAC_SHA 0x20
 361 #define SSL_HANDSHAKE_MAC_GOST94 0x40
 362 #define SSL_HANDSHAKE_MAC_SHA256 0x80
 363 #define SSL_HANDSHAKE_MAC_SHA384 0x100
 364 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
 365
 366 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
 367  * make sure to update this constant too */
 368 #define SSL_MAX_DIGEST 6
 369
 370 #define TLS1_PRF_DGST_SHIFT 10
 371 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
 372 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
 373 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
 374 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
 375 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
 376 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
 377
 378 /* Stream MAC for GOST ciphersuites from cryptopro draft
 379  * (currently this also goes into algorithm2) */
 380 #define TLS1_STREAM_MAC 0x04
 381
 382
 383
 384 /*
 385  * Export and cipher strength information. For each cipher we have to decide
 386  * whether it is exportable or not. This information is likely to change
 387  * over time, since the export control rules are no static technical issue.
 388  *
 389  * Independent of the export flag the cipher strength is sorted into classes.
 390  * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
 391  * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
 392  * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
 393  * since SSL_EXP64 could be similar to SSL_LOW.
 394  * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
 395  * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
 396  * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
 397  * be possible.
 398  */
 399 #define SSL_EXP_MASK            0x00000003L
 400 #define SSL_STRONG_MASK         0x000001fcL
 401
 402 #define SSL_NOT_EXP             0x00000001L
 403 #define SSL_EXPORT              0x00000002L
 404
 405 #define SSL_STRONG_NONE         0x00000004L
 406 #define SSL_EXP40               0x00000008L
 407 #define SSL_MICRO               (SSL_EXP40)
 408 #define SSL_EXP56               0x00000010L
 409 #define SSL_MINI                (SSL_EXP56)
 410 #define SSL_LOW                 0x00000020L
 411 #define SSL_MEDIUM              0x00000040L
 412 #define SSL_HIGH                0x00000080L
 413 #define SSL_FIPS                0x00000100L
 414
 415 /* we have used 000001ff - 23 bits left to go */
 416
 417 /*
 418  * Macros to check the export status and cipher strength for export ciphers.
 419  * Even though the macros for EXPORT and EXPORT40/56 have similar names,
 420  * their meaning is different:
 421  * *_EXPORT macros check the 'exportable' status.
 422  * *_EXPORT40/56 macros are used to check whether a certain cipher strength
 423  *          is given.
 424  * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
 425  * algorithm structure element to be passed (algorithms, algo_strength) and no
 426  * typechecking can be done as they are all of type unsigned long, their
 427  * direct usage is discouraged.
 428  * Use the SSL_C_* macros instead.
 429  */
 430 #define SSL_IS_EXPORT(a)        ((a)&SSL_EXPORT)
 431 #define SSL_IS_EXPORT56(a)      ((a)&SSL_EXP56)
 432 #define SSL_IS_EXPORT40(a)      ((a)&SSL_EXP40)
 433 #define SSL_C_IS_EXPORT(c)      SSL_IS_EXPORT((c)->algo_strength)
 434 #define SSL_C_IS_EXPORT56(c)    SSL_IS_EXPORT56((c)->algo_strength)
 435 #define SSL_C_IS_EXPORT40(c)    SSL_IS_EXPORT40((c)->algo_strength)
 436
 437 #define SSL_EXPORT_KEYLENGTH(a,s)       (SSL_IS_EXPORT40(s) ? 5 : \
 438                                  (a) == SSL_DES ? 8 : 7)
 439 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
 440 #define SSL_C_EXPORT_KEYLENGTH(c)       SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
 441                                 (c)->algo_strength)
 442 #define SSL_C_EXPORT_PKEYLENGTH(c)      SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
 443
 444 /* Check if an SSL structure is using DTLS */
 445 #define SSL_IS_DTLS(s)  (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
 446 /* See if we need explicit IV */
 447 #define SSL_USE_EXPLICIT_IV(s)  \
 448                 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
 449 /* See if we use signature algorithms extension
 450  * and signature algorithm before signatures.
 451  */
 452 #define SSL_USE_SIGALGS(s)      \
 453                         (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
 454 /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
 455  * may apply to others in future.
 456  */
 457 #define SSL_USE_TLS1_2_CIPHERS(s)       \
 458                 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
 459 /* Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
 460  * flags because it may not be set to correct version yet.
 461  */
 462 #define SSL_CLIENT_USE_TLS1_2_CIPHERS(s)        \
 463                 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
 464                 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
 465
 466 #ifdef TLSEXT_TYPE_encrypt_then_mac
 467 #define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
 468 #else
 469 #define SSL_USE_ETM(s) (0)
 470 #endif
 471
 472 /* Mostly for SSLv3 */
 473 #define SSL_PKEY_RSA_ENC        0
 474 #define SSL_PKEY_RSA_SIGN       1
 475 #define SSL_PKEY_DSA_SIGN       2
 476 #define SSL_PKEY_DH_RSA         3
 477 #define SSL_PKEY_DH_DSA         4
 478 #define SSL_PKEY_ECC            5
 479 #define SSL_PKEY_GOST94         6
 480 #define SSL_PKEY_GOST01         7
 481 #define SSL_PKEY_NUM            8
 482
 483 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
 484  *          <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
 485  * SSL_kDH  <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
 486  * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
 487  * SSL_aRSA <- RSA_ENC | RSA_SIGN
 488  * SSL_aDSS <- DSA_SIGN
 489  */
 490
 491 /*
 492 #define CERT_INVALID            0
 493 #define CERT_PUBLIC_KEY         1
 494 #define CERT_PRIVATE_KEY        2
 495 */
 496
 497 #ifndef OPENSSL_NO_EC
 498 /* From ECC-TLS draft, used in encoding the curve type in
 499  * ECParameters
 500  */
 501 #define EXPLICIT_PRIME_CURVE_TYPE  1
 502 #define EXPLICIT_CHAR2_CURVE_TYPE  2
 503 #define NAMED_CURVE_TYPE           3
 504 #endif  /* OPENSSL_NO_EC */
 505
 506 typedef struct cert_pkey_st
 507         {
 508         X509 *x509;
 509         EVP_PKEY *privatekey;
 510         /* Digest to use when signing */
 511         const EVP_MD *digest;
 512         /* Chain for this certificate */
 513         STACK_OF(X509) *chain;
 514 #ifndef OPENSSL_NO_TLSEXT
 515         /* serverinfo data for this certificate.  The data is in TLS Extension
 516          * wire format, specifically it's a series of records like:
 517          *   uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
 518          *   uint16_t length;
 519          *   uint8_t data[length]; */
 520         unsigned char *serverinfo;
 521         size_t serverinfo_length;
 522 #endif
 523         /* Set if CERT_PKEY can be used with current SSL session: e.g.
 524          * appropriate curve, signature algorithms etc. If zero it can't be
 525          * used at all.
 526          */
 527         int valid_flags;
 528         } CERT_PKEY;
 529 /* Retrieve Suite B flags */
 530 #define tls1_suiteb(s)  (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
 531 /* Uses to check strict mode: suite B modes are always strict */
 532 #define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
 533         (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
 534
 535 typedef struct {
 536         unsigned short ext_type;
 537         custom_cli_ext_first_cb_fn fn1;
 538         custom_cli_ext_second_cb_fn fn2;
 539         void *arg;
 540 } custom_cli_ext_record;
 541
 542 typedef struct {
 543         unsigned short ext_type;
 544         custom_srv_ext_first_cb_fn fn1;
 545         custom_srv_ext_second_cb_fn fn2;
 546         void *arg;
 547 } custom_srv_ext_record;
 548
 549 typedef struct cert_st
 550         {
 551         /* Current active set */
 552         CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
 553                          * Probably it would make more sense to store
 554                          * an index, not a pointer. */
 555
 556         /* For servers the following masks are for the key and auth
 557          * algorithms that are supported by the certs below.
 558          * For clients they are masks of *disabled* algorithms based
 559          * on the current session.
 560          */
 561         int valid;
 562         unsigned long mask_k;
 563         unsigned long mask_a;
 564         unsigned long export_mask_k;
 565         unsigned long export_mask_a;
 566         /* Client only */
 567         unsigned long mask_ssl;
 568 #ifndef OPENSSL_NO_RSA
 569         RSA *rsa_tmp;
 570         RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
 571 #endif
 572 #ifndef OPENSSL_NO_DH
 573         DH *dh_tmp;
 574         DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
 575         int dh_tmp_auto;
 576 #endif
 577 #ifndef OPENSSL_NO_ECDH
 578         EC_KEY *ecdh_tmp;
 579         /* Callback for generating ephemeral ECDH keys */
 580         EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
 581         /* Select ECDH parameters automatically */
 582         int ecdh_tmp_auto;
 583 #endif
 584         /* Flags related to certificates */
 585         unsigned int cert_flags;
 586         CERT_PKEY pkeys[SSL_PKEY_NUM];
 587
 588         /* Certificate types (received or sent) in certificate request
 589          * message. On receive this is only set if number of certificate
 590          * types exceeds SSL3_CT_NUMBER.
 591          */
 592         unsigned char *ctypes;
 593         size_t ctype_num;
 594
 595         /* signature algorithms peer reports: e.g. supported signature
 596          * algorithms extension for server or as part of a certificate
 597          * request for client.
 598          */
 599         unsigned char *peer_sigalgs;
 600         /* Size of above array */
 601         size_t peer_sigalgslen;
 602         /* suppported signature algorithms.
 603          * When set on a client this is sent in the client hello as the
 604          * supported signature algorithms extension. For servers
 605          * it represents the signature algorithms we are willing to use.
 606          */
 607         unsigned char *conf_sigalgs;
 608         /* Size of above array */
 609         size_t conf_sigalgslen;
 610         /* Client authentication signature algorithms, if not set then
 611          * uses conf_sigalgs. On servers these will be the signature
 612          * algorithms sent to the client in a cerificate request for TLS 1.2.
 613          * On a client this represents the signature algortithms we are
 614          * willing to use for client authentication.
 615          */
 616         unsigned char *client_sigalgs;
 617         /* Size of above array */
 618         size_t client_sigalgslen;
 619         /* Signature algorithms shared by client and server: cached
 620          * because these are used most often.
 621          */
 622         TLS_SIGALGS *shared_sigalgs;
 623         size_t shared_sigalgslen;
 624
 625         /* Certificate setup callback: if set is called whenever a
 626          * certificate may be required (client or server). the callback
 627          * can then examine any appropriate parameters and setup any
 628          * certificates required. This allows advanced applications
 629          * to select certificates on the fly: for example based on
 630          * supported signature algorithms or curves.
 631          */
 632         int (*cert_cb)(SSL *ssl, void *arg);
 633         void *cert_cb_arg;
 634
 635         /* Optional X509_STORE for chain building or certificate validation
 636          * If NULL the parent SSL_CTX store is used instead.
 637          */
 638         X509_STORE *chain_store;
 639         X509_STORE *verify_store;
 640
 641         /* Raw values of the cipher list from a client */
 642         unsigned char *ciphers_raw;
 643         size_t ciphers_rawlen;
 644
 645         /* Arrays containing the callbacks for custom TLS Extensions. */
 646         custom_cli_ext_record *custom_cli_ext_records;
 647         size_t custom_cli_ext_records_count;
 648         custom_srv_ext_record *custom_srv_ext_records;
 649         size_t custom_srv_ext_records_count;
 650
 651         /* Security callback */
 652         int (*sec_cb)(SSL *s, SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex);
 653         /* Security level */
 654         int sec_level;
 655
 656         void *sec_ex;
 657
 658         int references; /* >1 only if SSL_copy_session_id is used */
 659         } CERT;
 660
 661
 662 typedef struct sess_cert_st
 663         {
 664         STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
 665
 666         /* The 'peer_...' members are used only by clients. */
 667         int peer_cert_type;
 668
 669         CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
 670         CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
 671         /* Obviously we don't have the private keys of these,
 672          * so maybe we shouldn't even use the CERT_PKEY type here. */
 673
 674 #ifndef OPENSSL_NO_RSA
 675         RSA *peer_rsa_tmp; /* not used for SSL 2 */
 676 #endif
 677 #ifndef OPENSSL_NO_DH
 678         DH *peer_dh_tmp; /* not used for SSL 2 */
 679 #endif
 680 #ifndef OPENSSL_NO_ECDH
 681         EC_KEY *peer_ecdh_tmp;
 682 #endif
 683
 684         int references; /* actually always 1 at the moment */
 685         } SESS_CERT;
 686 /* Structure containing decoded values of signature algorithms extension */
 687 struct tls_sigalgs_st
 688         {
 689         /* NID of hash algorithm */
 690         int hash_nid;
 691         /* NID of signature algorithm */
 692         int sign_nid;
 693         /* Combined hash and signature NID */
 694         int signandhash_nid;
 695         /* Raw values used in extension */
 696         unsigned char rsign;
 697         unsigned char rhash;
 698         };
 699
 700 /*#define MAC_DEBUG     */
 701
 702 /*#define ERR_DEBUG     */
 703 /*#define ABORT_DEBUG   */
 704 /*#define PKT_DEBUG 1   */
 705 /*#define DES_DEBUG     */
 706 /*#define DES_OFB_DEBUG */
 707 /*#define SSL_DEBUG     */
 708 /*#define RSA_DEBUG     */
 709 /*#define IDEA_DEBUG    */
 710
 711 #define FP_ICC  (int (*)(const void *,const void *))
 712 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
 713                 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
 714
 715 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
 716  * It is a bit of a mess of functions, but hell, think of it as
 717  * an opaque structure :-) */
 718 typedef struct ssl3_enc_method
 719         {
 720         int (*enc)(SSL *, int);
 721         int (*mac)(SSL *, unsigned char *, int);
 722         int (*setup_key_block)(SSL *);
 723         int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
 724         int (*change_cipher_state)(SSL *, int);
 725         int (*final_finish_mac)(SSL *,  const char *, int, unsigned char *);
 726         int finish_mac_length;
 727         int (*cert_verify_mac)(SSL *, int, unsigned char *);
 728         const char *client_finished_label;
 729         int client_finished_label_len;
 730         const char *server_finished_label;
 731         int server_finished_label_len;
 732         int (*alert_value)(int);
 733         int (*export_keying_material)(SSL *, unsigned char *, size_t,
 734                                       const char *, size_t,
 735                                       const unsigned char *, size_t,
 736                                       int use_context);
 737         /* Various flags indicating protocol version requirements */
 738         unsigned int enc_flags;
 739         /* Handshake header length */
 740         unsigned int hhlen;
 741         /* Set the handshake header */
 742         void (*set_handshake_header)(SSL *s, int type, unsigned long len);
 743         /* Write out handshake message */
 744         int (*do_write)(SSL *s);
 745         } SSL3_ENC_METHOD;
 746
 747 #define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
 748 #define ssl_handshake_start(s) \
 749         (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
 750 #define ssl_set_handshake_header(s, htype, len) \
 751         s->method->ssl3_enc->set_handshake_header(s, htype, len)
 752 #define ssl_do_write(s)  s->method->ssl3_enc->do_write(s)
 753
 754 /* Values for enc_flags */
 755
 756 /* Uses explicit IV for CBC mode */
 757 #define SSL_ENC_FLAG_EXPLICIT_IV        0x1
 758 /* Uses signature algorithms extension */
 759 #define SSL_ENC_FLAG_SIGALGS            0x2
 760 /* Uses SHA256 default PRF */
 761 #define SSL_ENC_FLAG_SHA256_PRF         0x4
 762 /* Is DTLS */
 763 #define SSL_ENC_FLAG_DTLS               0x8
 764 /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
 765  * may apply to others in future.
 766  */
 767 #define SSL_ENC_FLAG_TLS1_2_CIPHERS     0x10
 768
 769 #ifndef OPENSSL_NO_COMP
 770 /* Used for holding the relevant compression methods loaded into SSL_CTX */
 771 typedef struct ssl3_comp_st
 772         {
 773         int comp_id;    /* The identifier byte for this compression type */
 774         char *name;     /* Text name used for the compression type */
 775         COMP_METHOD *method; /* The method :-) */
 776         } SSL3_COMP;
 777 #endif
 778
 779 #ifndef OPENSSL_NO_BUF_FREELISTS
 780 typedef struct ssl3_buf_freelist_st
 781         {
 782         size_t chunklen;
 783         unsigned int len;
 784         struct ssl3_buf_freelist_entry_st *head;
 785         } SSL3_BUF_FREELIST;
 786
 787 typedef struct ssl3_buf_freelist_entry_st
 788         {
 789         struct ssl3_buf_freelist_entry_st *next;
 790         } SSL3_BUF_FREELIST_ENTRY;
 791 #endif
 792
 793 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
 794 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
 795 OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[];
 796
 797
 798 SSL_METHOD *ssl_bad_method(int ver);
 799
 800 extern const SSL3_ENC_METHOD TLSv1_enc_data;
 801 extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
 802 extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
 803 extern const SSL3_ENC_METHOD SSLv3_enc_data;
 804 extern const SSL3_ENC_METHOD DTLSv1_enc_data;
 805 extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
 806
 807 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
 808                                 s_get_meth, enc_data) \
 809 const SSL_METHOD *func_name(void)  \
 810         { \
 811         static const SSL_METHOD func_name##_data= { \
 812                 version, \
 813                 tls1_new, \
 814                 tls1_clear, \
 815                 tls1_free, \
 816                 s_accept, \
 817                 s_connect, \
 818                 ssl3_read, \
 819                 ssl3_peek, \
 820                 ssl3_write, \
 821                 ssl3_shutdown, \
 822                 ssl3_renegotiate, \
 823                 ssl3_renegotiate_check, \
 824                 ssl3_get_message, \
 825                 ssl3_read_bytes, \
 826                 ssl3_write_bytes, \
 827                 ssl3_dispatch_alert, \
 828                 ssl3_ctrl, \
 829                 ssl3_ctx_ctrl, \
 830                 ssl3_get_cipher_by_char, \
 831                 ssl3_put_cipher_by_char, \
 832                 ssl3_pending, \
 833                 ssl3_num_ciphers, \
 834                 ssl3_get_cipher, \
 835                 s_get_meth, \
 836                 tls1_default_timeout, \
 837                 &enc_data, \
 838                 ssl_undefined_void_function, \
 839                 ssl3_callback_ctrl, \
 840                 ssl3_ctx_callback_ctrl, \
 841         }; \
 842         return &func_name##_data; \
 843         }
 844
 845 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 846 const SSL_METHOD *func_name(void)  \
 847         { \
 848         static const SSL_METHOD func_name##_data= { \
 849                 SSL3_VERSION, \
 850                 ssl3_new, \
 851                 ssl3_clear, \
 852                 ssl3_free, \
 853                 s_accept, \
 854                 s_connect, \
 855                 ssl3_read, \
 856                 ssl3_peek, \
 857                 ssl3_write, \
 858                 ssl3_shutdown, \
 859                 ssl3_renegotiate, \
 860                 ssl3_renegotiate_check, \
 861                 ssl3_get_message, \
 862                 ssl3_read_bytes, \
 863                 ssl3_write_bytes, \
 864                 ssl3_dispatch_alert, \
 865                 ssl3_ctrl, \
 866                 ssl3_ctx_ctrl, \
 867                 ssl3_get_cipher_by_char, \
 868                 ssl3_put_cipher_by_char, \
 869                 ssl3_pending, \
 870                 ssl3_num_ciphers, \
 871                 ssl3_get_cipher, \
 872                 s_get_meth, \
 873                 ssl3_default_timeout, \
 874                 &SSLv3_enc_data, \
 875                 ssl_undefined_void_function, \
 876                 ssl3_callback_ctrl, \
 877                 ssl3_ctx_callback_ctrl, \
 878         }; \
 879         return &func_name##_data; \
 880         }
 881
 882 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 883 const SSL_METHOD *func_name(void)  \
 884         { \
 885         static const SSL_METHOD func_name##_data= { \
 886         TLS1_2_VERSION, \
 887         tls1_new, \
 888         tls1_clear, \
 889         tls1_free, \
 890         s_accept, \
 891         s_connect, \
 892         ssl23_read, \
 893         ssl23_peek, \
 894         ssl23_write, \
 895         ssl_undefined_function, \
 896         ssl_undefined_function, \
 897         ssl_ok, \
 898         ssl3_get_message, \
 899         ssl3_read_bytes, \
 900         ssl3_write_bytes, \
 901         ssl3_dispatch_alert, \
 902         ssl3_ctrl, \
 903         ssl3_ctx_ctrl, \
 904         ssl23_get_cipher_by_char, \
 905         ssl23_put_cipher_by_char, \
 906         ssl_undefined_const_function, \
 907         ssl23_num_ciphers, \
 908         ssl23_get_cipher, \
 909         s_get_meth, \
 910         ssl23_default_timeout, \
 911         &TLSv1_2_enc_data, \
 912         ssl_undefined_void_function, \
 913         ssl3_callback_ctrl, \
 914         ssl3_ctx_callback_ctrl, \
 915         }; \
 916         return &func_name##_data; \
 917         }
 918
 919 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 920 const SSL_METHOD *func_name(void)  \
 921         { \
 922         static const SSL_METHOD func_name##_data= { \
 923                 SSL2_VERSION, \
 924                 ssl2_new,       /* local */ \
 925                 ssl2_clear,     /* local */ \
 926                 ssl2_free,      /* local */ \
 927                 s_accept, \
 928                 s_connect, \
 929                 ssl2_read, \
 930                 ssl2_peek, \
 931                 ssl2_write, \
 932                 ssl2_shutdown, \
 933                 ssl_ok, /* NULL - renegotiate */ \
 934                 ssl_ok, /* NULL - check renegotiate */ \
 935                 NULL, /* NULL - ssl_get_message */ \
 936                 NULL, /* NULL - ssl_get_record */ \
 937                 NULL, /* NULL - ssl_write_bytes */ \
 938                 NULL, /* NULL - dispatch_alert */ \
 939                 ssl2_ctrl,      /* local */ \
 940                 ssl2_ctx_ctrl,  /* local */ \
 941                 ssl2_get_cipher_by_char, \
 942                 ssl2_put_cipher_by_char, \
 943                 ssl2_pending, \
 944                 ssl2_num_ciphers, \
 945                 ssl2_get_cipher, \
 946                 s_get_meth, \
 947                 ssl2_default_timeout, \
 948                 &ssl3_undef_enc_method, \
 949                 ssl_undefined_void_function, \
 950                 ssl2_callback_ctrl,     /* local */ \
 951                 ssl2_ctx_callback_ctrl, /* local */ \
 952         }; \
 953         return &func_name##_data; \
 954         }
 955
 956 #define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
 957                                         s_get_meth, enc_data) \
 958 const SSL_METHOD *func_name(void)  \
 959         { \
 960         static const SSL_METHOD func_name##_data= { \
 961                 version, \
 962                 dtls1_new, \
 963                 dtls1_clear, \
 964                 dtls1_free, \
 965                 s_accept, \
 966                 s_connect, \
 967                 ssl3_read, \
 968                 ssl3_peek, \
 969                 ssl3_write, \
 970                 dtls1_shutdown, \
 971                 ssl3_renegotiate, \
 972                 ssl3_renegotiate_check, \
 973                 dtls1_get_message, \
 974                 dtls1_read_bytes, \
 975                 dtls1_write_app_data_bytes, \
 976                 dtls1_dispatch_alert, \
 977                 dtls1_ctrl, \
 978                 ssl3_ctx_ctrl, \
 979                 ssl3_get_cipher_by_char, \
 980                 ssl3_put_cipher_by_char, \
 981                 ssl3_pending, \
 982                 ssl3_num_ciphers, \
 983                 dtls1_get_cipher, \
 984                 s_get_meth, \
 985                 dtls1_default_timeout, \
 986                 &enc_data, \
 987                 ssl_undefined_void_function, \
 988                 ssl3_callback_ctrl, \
 989                 ssl3_ctx_callback_ctrl, \
 990         }; \
 991         return &func_name##_data; \
 992         }
 993
 994 struct openssl_ssl_test_functions
 995         {
 996         int (*p_ssl_init_wbio_buffer)(SSL *s, int push);
 997         int (*p_ssl3_setup_buffers)(SSL *s);
 998         int (*p_tls1_process_heartbeat)(SSL *s);
 999         int (*p_dtls1_process_heartbeat)(SSL *s);
1000         };
1001
1002 #ifndef OPENSSL_UNIT_TEST
1003
1004 void ssl_clear_cipher_ctx(SSL *s);
1005 int ssl_clear_bad_session(SSL *s);
1006 CERT *ssl_cert_new(void);
1007 CERT *ssl_cert_dup(CERT *cert);
1008 void ssl_cert_set_default_md(CERT *cert);
1009 int ssl_cert_inst(CERT **o);
1010 void ssl_cert_clear_certs(CERT *c);
1011 void ssl_cert_free(CERT *c);
1012 SESS_CERT *ssl_sess_cert_new(void);
1013 void ssl_sess_cert_free(SESS_CERT *sc);
1014 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
1015 int ssl_get_new_session(SSL *s, int session);
1016 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
1017 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
1018 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
1019                                   ssl_cipher_id);
1020 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1021                         const SSL_CIPHER * const *bp);
1022 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1023                                                STACK_OF(SSL_CIPHER) **skp);
1024 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1025                              int (*put_cb)(const SSL_CIPHER *, unsigned char *));
1026 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
1027                                              STACK_OF(SSL_CIPHER) **pref,
1028                                              STACK_OF(SSL_CIPHER) **sorted,
1029                                              const char *rule_str, CERT *c);
1030 void ssl_update_cache(SSL *s, int mode);
1031 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
1032                        const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp, int use_etm);
1033 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
1034 int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
1035 const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
1036 int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
1037 int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
1038 int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
1039 int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
1040 int ssl_cert_select_current(CERT *c, X509 *x);
1041 int ssl_cert_set_current(CERT *c, long arg);
1042 X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
1043 void ssl_cert_set_cert_cb(CERT *c, int (*cb)(SSL *ssl, void *arg), void *arg);
1044
1045 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
1046 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
1047 int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
1048 int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
1049
1050 int ssl_security(SSL *s, int op, int bits, int nid, void *other);
1051 int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other);
1052
1053 int ssl_undefined_function(SSL *s);
1054 int ssl_undefined_void_function(void);
1055 int ssl_undefined_const_function(const SSL *s);
1056 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
1057 #ifndef OPENSSL_NO_TLSEXT
1058 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
1059                                    size_t *serverinfo_length);
1060 #endif
1061 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
1062 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
1063 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
1064 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
1065 int ssl_verify_alarm_type(long type);
1066 void ssl_load_ciphers(void);
1067 int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
1068
1069 int ssl2_enc_init(SSL *s, int client);
1070 int ssl2_generate_key_material(SSL *s);
1071 void ssl2_enc(SSL *s,int send_data);
1072 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
1073 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
1074 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
1075 int ssl2_part_read(SSL *s, unsigned long f, int i);
1076 int ssl2_do_write(SSL *s);
1077 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
1078 void ssl2_return_error(SSL *s,int reason);
1079 void ssl2_write_error(SSL *s);
1080 int ssl2_num_ciphers(void);
1081 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
1082 int     ssl2_new(SSL *s);
1083 void    ssl2_free(SSL *s);
1084 int     ssl2_accept(SSL *s);
1085 int     ssl2_connect(SSL *s);
1086 int     ssl2_read(SSL *s, void *buf, int len);
1087 int     ssl2_peek(SSL *s, void *buf, int len);
1088 int     ssl2_write(SSL *s, const void *buf, int len);
1089 int     ssl2_shutdown(SSL *s);
1090 void    ssl2_clear(SSL *s);
1091 long    ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
1092 long    ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
1093 long    ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1094 long    ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
1095 int     ssl2_pending(const SSL *s);
1096 long    ssl2_default_timeout(void );
1097
1098 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
1099 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
1100 void ssl3_init_finished_mac(SSL *s);
1101 int ssl3_send_server_certificate(SSL *s);
1102 int ssl3_send_newsession_ticket(SSL *s);
1103 int ssl3_send_cert_status(SSL *s);
1104 int ssl3_get_finished(SSL *s,int state_a,int state_b);
1105 int ssl3_setup_key_block(SSL *s);
1106 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
1107 int ssl3_change_cipher_state(SSL *s,int which);
1108 void ssl3_cleanup_key_block(SSL *s);
1109 int ssl3_do_write(SSL *s,int type);
1110 int ssl3_send_alert(SSL *s,int level, int desc);
1111 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
1112         unsigned char *p, int len);
1113 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
1114 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1115 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
1116 int ssl3_num_ciphers(void);
1117 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
1118 int ssl3_renegotiate(SSL *ssl);
1119 int ssl3_renegotiate_check(SSL *ssl);
1120 int ssl3_dispatch_alert(SSL *s);
1121 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1122 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
1123 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
1124 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1125 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
1126 int ssl3_enc(SSL *s, int send_data);
1127 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
1128 void ssl3_free_digest_list(SSL *s);
1129 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
1130 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
1131                                STACK_OF(SSL_CIPHER) *srvr);
1132 int     ssl3_setup_buffers(SSL *s);
1133 int     ssl3_setup_read_buffer(SSL *s);
1134 int     ssl3_setup_write_buffer(SSL *s);
1135 int     ssl3_release_read_buffer(SSL *s);
1136 int     ssl3_release_write_buffer(SSL *s);
1137 int     ssl3_digest_cached_records(SSL *s);
1138 int     ssl3_new(SSL *s);
1139 void    ssl3_free(SSL *s);
1140 int     ssl3_accept(SSL *s);
1141 int     ssl3_connect(SSL *s);
1142 int     ssl3_read(SSL *s, void *buf, int len);
1143 int     ssl3_peek(SSL *s, void *buf, int len);
1144 int     ssl3_write(SSL *s, const void *buf, int len);
1145 int     ssl3_shutdown(SSL *s);
1146 void    ssl3_clear(SSL *s);
1147 long    ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
1148 long    ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
1149 long    ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1150 long    ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
1151 int     ssl3_pending(const SSL *s);
1152
1153 void ssl3_record_sequence_update(unsigned char *seq);
1154 int ssl3_do_change_cipher_spec(SSL *ssl);
1155 long ssl3_default_timeout(void );
1156
1157 void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
1158 int ssl3_handshake_write(SSL *s);
1159
1160 int ssl23_num_ciphers(void );
1161 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
1162 int ssl23_read(SSL *s, void *buf, int len);
1163 int ssl23_peek(SSL *s, void *buf, int len);
1164 int ssl23_write(SSL *s, const void *buf, int len);
1165 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1166 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
1167 long ssl23_default_timeout(void );
1168
1169 int ssl_allow_compression(SSL *s);
1170
1171 long tls1_default_timeout(void);
1172 int dtls1_do_write(SSL *s,int type);
1173 int ssl3_read_n(SSL *s, int n, int max, int extend);
1174 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1175 int ssl3_do_compress(SSL *ssl);
1176 int ssl3_do_uncompress(SSL *ssl);
1177 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
1178         unsigned int len);
1179 unsigned char *dtls1_set_message_header(SSL *s,
1180         unsigned char *p, unsigned char mt,     unsigned long len,
1181         unsigned long frag_off, unsigned long frag_len);
1182
1183 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
1184 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
1185
1186 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
1187 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
1188 unsigned long dtls1_output_cert_chain(SSL *s, CERT_PKEY *cpk);
1189 int dtls1_read_failed(SSL *s, int code);
1190 int dtls1_buffer_message(SSL *s, int ccs);
1191 int dtls1_retransmit_message(SSL *s, unsigned short seq,
1192         unsigned long frag_off, int *found);
1193 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
1194 int dtls1_retransmit_buffered_messages(SSL *s);
1195 void dtls1_clear_record_buffer(SSL *s);
1196 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
1197 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
1198 void dtls1_reset_seq_numbers(SSL *s, int rw);
1199 long dtls1_default_timeout(void);
1200 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
1201 int dtls1_check_timeout_num(SSL *s);
1202 int dtls1_handle_timeout(SSL *s);
1203 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
1204 void dtls1_start_timer(SSL *s);
1205 void dtls1_stop_timer(SSL *s);
1206 int dtls1_is_timer_expired(SSL *s);
1207 void dtls1_double_timeout(SSL *s);
1208 int dtls1_send_newsession_ticket(SSL *s);
1209 unsigned int dtls1_min_mtu(void);
1210
1211 /* some client-only functions */
1212 int ssl3_client_hello(SSL *s);
1213 int ssl3_get_server_hello(SSL *s);
1214 int ssl3_get_certificate_request(SSL *s);
1215 int ssl3_get_new_session_ticket(SSL *s);
1216 int ssl3_get_cert_status(SSL *s);
1217 int ssl3_get_server_done(SSL *s);
1218 int ssl3_send_client_verify(SSL *s);
1219 int ssl3_send_client_certificate(SSL *s);
1220 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
1221 int ssl3_send_client_key_exchange(SSL *s);
1222 int ssl3_get_key_exchange(SSL *s);
1223 int ssl3_get_server_certificate(SSL *s);
1224 int ssl3_check_cert_and_algorithm(SSL *s);
1225 #ifndef OPENSSL_NO_TLSEXT
1226 int ssl3_check_finished(SSL *s);
1227 # ifndef OPENSSL_NO_NEXTPROTONEG
1228 int ssl3_send_next_proto(SSL *s);
1229 # endif
1230 #endif
1231
1232 int dtls1_client_hello(SSL *s);
1233
1234 /* some server-only functions */
1235 int ssl3_get_client_hello(SSL *s);
1236 int ssl3_send_server_hello(SSL *s);
1237 int ssl3_send_hello_request(SSL *s);
1238 int ssl3_send_server_key_exchange(SSL *s);
1239 int ssl3_send_certificate_request(SSL *s);
1240 int ssl3_send_server_done(SSL *s);
1241 int ssl3_check_client_hello(SSL *s);
1242 int ssl3_get_client_certificate(SSL *s);
1243 int ssl3_get_client_key_exchange(SSL *s);
1244 int ssl3_get_cert_verify(SSL *s);
1245 #ifndef OPENSSL_NO_NEXTPROTONEG
1246 int ssl3_get_next_proto(SSL *s);
1247 #endif
1248
1249 int ssl23_accept(SSL *s);
1250 int ssl23_connect(SSL *s);
1251 int ssl23_read_bytes(SSL *s, int n);
1252 int ssl23_write_bytes(SSL *s);
1253
1254 int tls1_new(SSL *s);
1255 void tls1_free(SSL *s);
1256 void tls1_clear(SSL *s);
1257 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1258 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1259
1260 int dtls1_new(SSL *s);
1261 int     dtls1_accept(SSL *s);
1262 int     dtls1_connect(SSL *s);
1263 void dtls1_free(SSL *s);
1264 void dtls1_clear(SSL *s);
1265 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1266 int dtls1_shutdown(SSL *s);
1267
1268 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1269 int dtls1_get_record(SSL *s);
1270 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1271         unsigned int len, int create_empty_fragement);
1272 int dtls1_dispatch_alert(SSL *s);
1273 int dtls1_enc(SSL *s, int snd);
1274
1275 int ssl_init_wbio_buffer(SSL *s, int push);
1276 void ssl_free_wbio_buffer(SSL *s);
1277
1278 int tls1_change_cipher_state(SSL *s, int which);
1279 int tls1_setup_key_block(SSL *s);
1280 int tls1_enc(SSL *s, int snd);
1281 int tls1_final_finish_mac(SSL *s,
1282         const char *str, int slen, unsigned char *p);
1283 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1284 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1285 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1286         unsigned char *p, int len);
1287 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1288         const char *label, size_t llen,
1289         const unsigned char *p, size_t plen, int use_context);
1290 int tls1_alert_code(int code);
1291 int ssl3_alert_code(int code);
1292 int ssl_ok(SSL *s);
1293
1294 #ifndef OPENSSL_NO_ECDH
1295 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1296 #endif
1297
1298 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1299
1300 #ifndef OPENSSL_NO_EC
1301 int tls1_ec_curve_id2nid(int curve_id);
1302 int tls1_ec_nid2curve_id(int nid);
1303 int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
1304 int tls1_shared_curve(SSL *s, int nmatch);
1305 int tls1_set_curves(unsigned char **pext, size_t *pextlen,
1306                         int *curves, size_t ncurves);
1307 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
1308                                 const char *str);
1309 int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
1310 #endif /* OPENSSL_NO_EC */
1311
1312 #ifndef OPENSSL_NO_TLSEXT
1313 int tls1_shared_list(SSL *s,
1314                         const unsigned char *l1, size_t l1len,
1315                         const unsigned char *l2, size_t l2len,
1316                         int nmatch);
1317 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit, int *al);
1318 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit, int *al);
1319 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
1320 int ssl_check_clienthello_tlsext_late(SSL *s);
1321 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
1322 int ssl_prepare_clienthello_tlsext(SSL *s);
1323 int ssl_prepare_serverhello_tlsext(SSL *s);
1324
1325 #ifndef OPENSSL_NO_HEARTBEATS
1326 int tls1_heartbeat(SSL *s);
1327 int dtls1_heartbeat(SSL *s);
1328 int tls1_process_heartbeat(SSL *s);
1329 int dtls1_process_heartbeat(SSL *s);
1330 #endif
1331
1332 #ifdef OPENSSL_NO_SHA256
1333 #define tlsext_tick_md  EVP_sha1
1334 #else
1335 #define tlsext_tick_md  EVP_sha256
1336 #endif
1337 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1338                                 const unsigned char *limit, SSL_SESSION **ret);
1339
1340 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1341                                 const EVP_MD *md);
1342 int tls12_get_sigid(const EVP_PKEY *pk);
1343 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1344 void ssl_set_sig_mask(unsigned long *pmask_a, SSL *s, int op);
1345
1346 int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
1347 int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
1348 int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
1349                                                                 int idx);
1350 void tls1_set_cert_validity(SSL *s);
1351
1352 #endif
1353 #ifndef OPENSSL_NO_DH
1354 DH *ssl_get_auto_dh(SSL *s);
1355 #endif
1356
1357 int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
1358 int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy);
1359
1360 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
1361 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1362 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1363                                         int maxlen);
1364 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1365                                           int *al);
1366 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1367                                         int maxlen);
1368 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1369                                           int *al);
1370 long ssl_get_algorithm2(SSL *s);
1371 size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
1372                                 const unsigned char *psig, size_t psiglen);
1373 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
1374 size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
1375 int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
1376                                 const unsigned char *sig, EVP_PKEY *pkey);
1377 void ssl_set_client_disabled(SSL *s);
1378 int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
1379
1380 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1381 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
1382 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1383 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
1384
1385 /* s3_cbc.c */
1386 void ssl3_cbc_copy_mac(unsigned char* out,
1387                        const SSL3_RECORD *rec,
1388                        unsigned md_size);
1389 int ssl3_cbc_remove_padding(const SSL* s,
1390                             SSL3_RECORD *rec,
1391                             unsigned block_size,
1392                             unsigned mac_size);
1393 int tls1_cbc_remove_padding(const SSL* s,
1394                             SSL3_RECORD *rec,
1395                             unsigned block_size,
1396                             unsigned mac_size);
1397 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
1398 void ssl3_cbc_digest_record(
1399         const EVP_MD_CTX *ctx,
1400         unsigned char* md_out,
1401         size_t* md_out_size,
1402         const unsigned char header[13],
1403         const unsigned char *data,
1404         size_t data_plus_mac_size,
1405         size_t data_plus_mac_plus_padding_size,
1406         const unsigned char *mac_secret,
1407         unsigned mac_secret_length,
1408         char is_sslv3);
1409
1410 void tls_fips_digest_extra(
1411         const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx,
1412         const unsigned char *data, size_t data_len, size_t orig_len);
1413
1414 int srp_verify_server_param(SSL *s, int *al);
1415
1416 #else
1417
1418 #define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
1419 #define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
1420 #define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
1421 #define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
1422
1423 #endif
1424 #endif