1 /* ssl/ssl.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_H 
 144 #define HEADER_SSL_H 
 145 
 146 #include <openssl/e_os2.h>
 147 
 148 #ifndef OPENSSL_NO_COMP
 149 #include <openssl/comp.h>
 150 #endif
 151 #ifndef OPENSSL_NO_BIO
 152 #include <openssl/bio.h>
 153 #endif
 154 #ifndef OPENSSL_NO_DEPRECATED
 155 #ifndef OPENSSL_NO_X509
 156 #include <openssl/x509.h>
 157 #endif
 158 #include <openssl/crypto.h>
 159 #include <openssl/lhash.h>
 160 #include <openssl/buffer.h>
 161 #endif
 162 #include <openssl/pem.h>
 163 #include <openssl/hmac.h>
 164 
 165 #include <openssl/kssl.h>
 166 #include <openssl/safestack.h>
 167 #include <openssl/symhacks.h>
 168 
 169 #ifdef  __cplusplus
 170 extern "C" {
 171 #endif
 172 
 173 /* SSLeay version number for ASN.1 encoding of the session information */
 174 /* Version 0 - initial version
 175  * Version 1 - added the optional peer certificate
 176  */
 177 #define SSL_SESSION_ASN1_VERSION 0x0001
 178 
 179 /* text strings for the ciphers */
 180 #define SSL_TXT_NULL_WITH_MD5           SSL2_TXT_NULL_WITH_MD5                  
 181 #define SSL_TXT_RC4_128_WITH_MD5        SSL2_TXT_RC4_128_WITH_MD5               
 182 #define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5    
 183 #define SSL_TXT_RC2_128_CBC_WITH_MD5    SSL2_TXT_RC2_128_CBC_WITH_MD5           
 184 #define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5    
 185 #define SSL_TXT_IDEA_128_CBC_WITH_MD5   SSL2_TXT_IDEA_128_CBC_WITH_MD5          
 186 #define SSL_TXT_DES_64_CBC_WITH_MD5     SSL2_TXT_DES_64_CBC_WITH_MD5            
 187 #define SSL_TXT_DES_64_CBC_WITH_SHA     SSL2_TXT_DES_64_CBC_WITH_SHA            
 188 #define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5    
 189 #define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA    
 190 
 191 /*    VRS Additional Kerberos5 entries
 192  */
 193 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
 194 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
 195 #define SSL_TXT_KRB5_RC4_128_SHA      SSL3_TXT_KRB5_RC4_128_SHA
 196 #define SSL_TXT_KRB5_IDEA_128_CBC_SHA SSL3_TXT_KRB5_IDEA_128_CBC_SHA
 197 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5       
 198 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5       
 199 #define SSL_TXT_KRB5_RC4_128_MD5      SSL3_TXT_KRB5_RC4_128_MD5
 200 #define SSL_TXT_KRB5_IDEA_128_CBC_MD5 SSL3_TXT_KRB5_IDEA_128_CBC_MD5 
 201 
 202 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA 
 203 #define SSL_TXT_KRB5_RC2_40_CBC_SHA   SSL3_TXT_KRB5_RC2_40_CBC_SHA 
 204 #define SSL_TXT_KRB5_RC4_40_SHA       SSL3_TXT_KRB5_RC4_40_SHA
 205 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5 
 206 #define SSL_TXT_KRB5_RC2_40_CBC_MD5   SSL3_TXT_KRB5_RC2_40_CBC_MD5 
 207 #define SSL_TXT_KRB5_RC4_40_MD5       SSL3_TXT_KRB5_RC4_40_MD5
 208 
 209 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
 210 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
 211 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
 212 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
 213 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
 214 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
 215 #define SSL_MAX_KRB5_PRINCIPAL_LENGTH  256
 216 
 217 #define SSL_MAX_SSL_SESSION_ID_LENGTH           32
 218 #define SSL_MAX_SID_CTX_LENGTH                  32
 219 
 220 #define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES     (512/8)
 221 #define SSL_MAX_KEY_ARG_LENGTH                  8
 222 #define SSL_MAX_MASTER_KEY_LENGTH               48
 223 
 224 
 225 /* These are used to specify which ciphers to use and not to use */
 226 
 227 #define SSL_TXT_EXP40           "EXPORT40"
 228 #define SSL_TXT_EXP56           "EXPORT56"
 229 #define SSL_TXT_LOW             "LOW"
 230 #define SSL_TXT_MEDIUM          "MEDIUM"
 231 #define SSL_TXT_HIGH            "HIGH"
 232 #define SSL_TXT_FIPS            "FIPS"
 233 
 234 #define SSL_TXT_kFZA            "kFZA" /* unused! */
 235 #define SSL_TXT_aFZA            "aFZA" /* unused! */
 236 #define SSL_TXT_eFZA            "eFZA" /* unused! */
 237 #define SSL_TXT_FZA             "FZA"  /* unused! */
 238 
 239 #define SSL_TXT_aNULL           "aNULL"
 240 #define SSL_TXT_eNULL           "eNULL"
 241 #define SSL_TXT_NULL            "NULL"
 242 
 243 #define SSL_TXT_kRSA            "kRSA"
 244 #define SSL_TXT_kDHr            "kDHr" /* no such ciphersuites supported! */
 245 #define SSL_TXT_kDHd            "kDHd" /* no such ciphersuites supported! */
 246 #define SSL_TXT_kDH             "kDH"  /* no such ciphersuites supported! */
 247 #define SSL_TXT_kEDH            "kEDH"
 248 #define SSL_TXT_kKRB5           "kKRB5"
 249 #define SSL_TXT_kECDHr          "kECDHr"
 250 #define SSL_TXT_kECDHe          "kECDHe"
 251 #define SSL_TXT_kECDH           "kECDH"
 252 #define SSL_TXT_kEECDH          "kEECDH"
 253 #define SSL_TXT_kPSK            "kPSK"
 254 #define SSL_TXT_kGOST           "kGOST"
 255 #define SSL_TXT_kSRP            "kSRP"
 256 
 257 #define SSL_TXT_aRSA            "aRSA"
 258 #define SSL_TXT_aDSS            "aDSS"
 259 #define SSL_TXT_aDH             "aDH" /* no such ciphersuites supported! */
 260 #define SSL_TXT_aECDH           "aECDH"
 261 #define SSL_TXT_aKRB5           "aKRB5"
 262 #define SSL_TXT_aECDSA          "aECDSA"
 263 #define SSL_TXT_aPSK            "aPSK"
 264 #define SSL_TXT_aGOST94 "aGOST94"
 265 #define SSL_TXT_aGOST01 "aGOST01"
 266 #define SSL_TXT_aGOST  "aGOST"
 267 
 268 #define SSL_TXT_DSS             "DSS"
 269 #define SSL_TXT_DH              "DH"
 270 #define SSL_TXT_EDH             "EDH" /* same as "kEDH:-ADH" */
 271 #define SSL_TXT_ADH             "ADH"
 272 #define SSL_TXT_RSA             "RSA"
 273 #define SSL_TXT_ECDH            "ECDH"
 274 #define SSL_TXT_EECDH           "EECDH" /* same as "kEECDH:-AECDH" */
 275 #define SSL_TXT_AECDH           "AECDH"
 276 #define SSL_TXT_ECDSA           "ECDSA"
 277 #define SSL_TXT_KRB5            "KRB5"
 278 #define SSL_TXT_PSK             "PSK"
 279 #define SSL_TXT_SRP             "SRP"
 280 
 281 #define SSL_TXT_DES             "DES"
 282 #define SSL_TXT_3DES            "3DES"
 283 #define SSL_TXT_RC4             "RC4"
 284 #define SSL_TXT_RC2             "RC2"
 285 #define SSL_TXT_IDEA            "IDEA"
 286 #define SSL_TXT_SEED            "SEED"
 287 #define SSL_TXT_AES128          "AES128"
 288 #define SSL_TXT_AES256          "AES256"
 289 #define SSL_TXT_AES             "AES"
 290 #define SSL_TXT_AES_GCM         "AESGCM"
 291 #define SSL_TXT_CAMELLIA128     "CAMELLIA128"
 292 #define SSL_TXT_CAMELLIA256     "CAMELLIA256"
 293 #define SSL_TXT_CAMELLIA        "CAMELLIA"
 294 
 295 #define SSL_TXT_MD5             "MD5"
 296 #define SSL_TXT_SHA1            "SHA1"
 297 #define SSL_TXT_SHA             "SHA" /* same as "SHA1" */
 298 #define SSL_TXT_GOST94          "GOST94" 
 299 #define SSL_TXT_GOST89MAC               "GOST89MAC" 
 300 #define SSL_TXT_SHA256          "SHA256"
 301 #define SSL_TXT_SHA384          "SHA384"
 302 
 303 #define SSL_TXT_SSLV2           "SSLv2"
 304 #define SSL_TXT_SSLV3           "SSLv3"
 305 #define SSL_TXT_TLSV1           "TLSv1"
 306 #define SSL_TXT_TLSV1_1         "TLSv1.1"
 307 #define SSL_TXT_TLSV1_2         "TLSv1.2"
 308 
 309 #define SSL_TXT_EXP             "EXP"
 310 #define SSL_TXT_EXPORT          "EXPORT"
 311 
 312 #define SSL_TXT_ALL             "ALL"
 313 
 314 /*
 315  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
 316  * ciphers normally not being used.
 317  * Example: "RC4" will activate all ciphers using RC4 including ciphers
 318  * without authentication, which would normally disabled by DEFAULT (due
 319  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
 320  * will make sure that it is also disabled in the specific selection.
 321  * COMPLEMENTOF* identifiers are portable between version, as adjustments
 322  * to the default cipher setup will also be included here.
 323  *
 324  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
 325  * DEFAULT gets, as only selection is being done and no sorting as needed
 326  * for DEFAULT.
 327  */
 328 #define SSL_TXT_CMPALL          "COMPLEMENTOFALL"
 329 #define SSL_TXT_CMPDEF          "COMPLEMENTOFDEFAULT"
 330 
 331 /* The following cipher list is used by default.
 332  * It also is substituted when an application-defined cipher list string
 333  * starts with 'DEFAULT'. */
 334 #define SSL_DEFAULT_CIPHER_LIST "ALL:!aNULL:!eNULL:!SSLv2"
 335 /* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
 336  * starts with a reasonable order, and all we have to do for DEFAULT is
 337  * throwing out anonymous and unencrypted ciphersuites!
 338  * (The latter are not actually enabled by ALL, but "ALL:RSA" would enable
 339  * some of them.)
 340  */
 341 
 342 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
 343 #define SSL_SENT_SHUTDOWN       1
 344 #define SSL_RECEIVED_SHUTDOWN   2
 345 
 346 #ifdef __cplusplus
 347 }
 348 #endif
 349 
 350 #ifdef  __cplusplus
 351 extern "C" {
 352 #endif
 353 
 354 #if (defined(OPENSSL_NO_RSA) || defined(OPENSSL_NO_MD5)) && !defined(OPENSSL_NO_SSL2)
 355 #define OPENSSL_NO_SSL2
 356 #endif
 357 
 358 #define SSL_FILETYPE_ASN1       X509_FILETYPE_ASN1
 359 #define SSL_FILETYPE_PEM        X509_FILETYPE_PEM
 360 
 361 /* This is needed to stop compilers complaining about the
 362  * 'struct ssl_st *' function parameters used to prototype callbacks
 363  * in SSL_CTX. */
 364 typedef struct ssl_st *ssl_crock_st;
 365 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
 366 typedef struct ssl_method_st SSL_METHOD;
 367 typedef struct ssl_cipher_st SSL_CIPHER;
 368 typedef struct ssl_session_st SSL_SESSION;
 369 
 370 DECLARE_STACK_OF(SSL_CIPHER)
 371 
 372 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
 373 typedef struct srtp_protection_profile_st
 374        {
 375        const char *name;
 376        unsigned long id;
 377        } SRTP_PROTECTION_PROFILE;
 378 
 379 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
 380 
 381 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg);
 382 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
 383 
 384 
 385 #ifndef OPENSSL_NO_SSL_INTERN
 386 
 387 /* used to hold info on the particular ciphers used */
 388 struct ssl_cipher_st
 389         {
 390         int valid;
 391         const char *name;               /* text name */
 392         unsigned long id;               /* id, 4 bytes, first is version */
 393 
 394         /* changed in 0.9.9: these four used to be portions of a single value 'algorithms' */
 395         unsigned long algorithm_mkey;   /* key exchange algorithm */
 396         unsigned long algorithm_auth;   /* server authentication */
 397         unsigned long algorithm_enc;    /* symmetric encryption */
 398         unsigned long algorithm_mac;    /* symmetric authentication */
 399         unsigned long algorithm_ssl;    /* (major) protocol version */
 400 
 401         unsigned long algo_strength;    /* strength and export flags */
 402         unsigned long algorithm2;       /* Extra flags */
 403         int strength_bits;              /* Number of bits really used */
 404         int alg_bits;                   /* Number of bits for algorithm */
 405         };
 406 
 407 
 408 /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
 409 struct ssl_method_st
 410         {
 411         int version;
 412         int (*ssl_new)(SSL *s);
 413         void (*ssl_clear)(SSL *s);
 414         void (*ssl_free)(SSL *s);
 415         int (*ssl_accept)(SSL *s);
 416         int (*ssl_connect)(SSL *s);
 417         int (*ssl_read)(SSL *s,void *buf,int len);
 418         int (*ssl_peek)(SSL *s,void *buf,int len);
 419         int (*ssl_write)(SSL *s,const void *buf,int len);
 420         int (*ssl_shutdown)(SSL *s);
 421         int (*ssl_renegotiate)(SSL *s);
 422         int (*ssl_renegotiate_check)(SSL *s);
 423         long (*ssl_get_message)(SSL *s, int st1, int stn, int mt, long
 424                 max, int *ok);
 425         int (*ssl_read_bytes)(SSL *s, int type, unsigned char *buf, int len, 
 426                 int peek);
 427         int (*ssl_write_bytes)(SSL *s, int type, const void *buf_, int len);
 428         int (*ssl_dispatch_alert)(SSL *s);
 429         long (*ssl_ctrl)(SSL *s,int cmd,long larg,void *parg);
 430         long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,void *parg);
 431         const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
 432         int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
 433         int (*ssl_pending)(const SSL *s);
 434         int (*num_ciphers)(void);
 435         const SSL_CIPHER *(*get_cipher)(unsigned ncipher);
 436         const struct ssl_method_st *(*get_ssl_method)(int version);
 437         long (*get_timeout)(void);
 438         struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
 439         int (*ssl_version)(void);
 440         long (*ssl_callback_ctrl)(SSL *s, int cb_id, void (*fp)(void));
 441         long (*ssl_ctx_callback_ctrl)(SSL_CTX *s, int cb_id, void (*fp)(void));
 442         };
 443 
 444 /* Lets make this into an ASN.1 type structure as follows
 445  * SSL_SESSION_ID ::= SEQUENCE {
 446  *      version                 INTEGER,        -- structure version number
 447  *      SSLversion              INTEGER,        -- SSL version number
 448  *      Cipher                  OCTET STRING,   -- the 3 byte cipher ID
 449  *      Session_ID              OCTET STRING,   -- the Session ID
 450  *      Master_key              OCTET STRING,   -- the master key
 451  *      KRB5_principal          OCTET STRING    -- optional Kerberos principal
 452  *      Key_Arg [ 0 ] IMPLICIT  OCTET STRING,   -- the optional Key argument
 453  *      Time [ 1 ] EXPLICIT     INTEGER,        -- optional Start Time
 454  *      Timeout [ 2 ] EXPLICIT  INTEGER,        -- optional Timeout ins seconds
 455  *      Peer [ 3 ] EXPLICIT     X509,           -- optional Peer Certificate
 456  *      Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
 457  *      Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
 458  *      HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension 
 459  *      PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
 460  *      PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
 461  *      Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
 462  *      Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
 463  *      Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
 464  *      SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
 465  *      }
 466  * Look in ssl/ssl_asn1.c for more details
 467  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
 468  */
 469 struct ssl_session_st
 470         {
 471         int ssl_version;        /* what ssl version session info is
 472                                  * being kept in here? */
 473 
 474         /* only really used in SSLv2 */
 475         unsigned int key_arg_length;
 476         unsigned char key_arg[SSL_MAX_KEY_ARG_LENGTH];
 477         int master_key_length;
 478         unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
 479         /* session_id - valid? */
 480         unsigned int session_id_length;
 481         unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
 482         /* this is used to determine whether the session is being reused in
 483          * the appropriate context. It is up to the application to set this,
 484          * via SSL_new */
 485         unsigned int sid_ctx_length;
 486         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
 487 
 488 #ifndef OPENSSL_NO_KRB5
 489         unsigned int krb5_client_princ_len;
 490         unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
 491 #endif /* OPENSSL_NO_KRB5 */
 492 #ifndef OPENSSL_NO_PSK
 493         char *psk_identity_hint;
 494         char *psk_identity;
 495 #endif
 496         /* Used to indicate that session resumption is not allowed.
 497          * Applications can also set this bit for a new session via
 498          * not_resumable_session_cb to disable session caching and tickets. */
 499         int not_resumable;
 500 
 501         /* The cert is the certificate used to establish this connection */
 502         struct sess_cert_st /* SESS_CERT */ *sess_cert;
 503 
 504         /* This is the cert for the other end.
 505          * On clients, it will be the same as sess_cert->peer_key->x509
 506          * (the latter is not enough as sess_cert is not retained
 507          * in the external representation of sessions, see ssl_asn1.c). */
 508         X509 *peer;
 509         /* when app_verify_callback accepts a session where the peer's certificate
 510          * is not ok, we must remember the error for session reuse: */
 511         long verify_result; /* only for servers */
 512 
 513         int references;
 514         long timeout;
 515         long time;
 516 
 517         unsigned int compress_meth;     /* Need to lookup the method */
 518 
 519         const SSL_CIPHER *cipher;
 520         unsigned long cipher_id;        /* when ASN.1 loaded, this
 521                                          * needs to be used to load
 522                                          * the 'cipher' structure */
 523 
 524         STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
 525 
 526         CRYPTO_EX_DATA ex_data; /* application specific data */
 527 
 528         /* These are used to make removal of session-ids more
 529          * efficient and to implement a maximum cache size. */
 530         struct ssl_session_st *prev,*next;
 531 #ifndef OPENSSL_NO_TLSEXT
 532         char *tlsext_hostname;
 533 #ifndef OPENSSL_NO_EC
 534         size_t tlsext_ecpointformatlist_length;
 535         unsigned char *tlsext_ecpointformatlist; /* peer's list */
 536         size_t tlsext_ellipticcurvelist_length;
 537         unsigned char *tlsext_ellipticcurvelist; /* peer's list */
 538 #endif /* OPENSSL_NO_EC */
 539         /* RFC4507 info */
 540         unsigned char *tlsext_tick;     /* Session ticket */
 541         size_t tlsext_ticklen;          /* Session ticket length */
 542         long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
 543 #endif
 544 #ifndef OPENSSL_NO_SRP
 545         char *srp_username;
 546 #endif
 547         };
 548 
 549 #endif
 550 
 551 #define SSL_OP_MICROSOFT_SESS_ID_BUG                    0x00000001L
 552 #define SSL_OP_NETSCAPE_CHALLENGE_BUG                   0x00000002L
 553 /* Allow initial connection to servers that don't support RI */
 554 #define SSL_OP_LEGACY_SERVER_CONNECT                    0x00000004L
 555 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG         0x00000008L
 556 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG              0x00000010L
 557 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER               0x00000020L
 558 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG                   0x00000040L
 559 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG                 0x00000080L
 560 #define SSL_OP_TLS_D5_BUG                               0x00000100L
 561 #define SSL_OP_TLS_BLOCK_PADDING_BUG                    0x00000200L
 562 
 563 /* Hasn't done anything since OpenSSL 0.9.7h, retained for compatibility */
 564 #define SSL_OP_MSIE_SSLV2_RSA_PADDING                   0x0
 565 
 566 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
 567  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
 568  * the workaround is not needed.  Unfortunately some broken SSL/TLS
 569  * implementations cannot handle it at all, which is why we include
 570  * it in SSL_OP_ALL. */
 571 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800L /* added in 0.9.6e */
 572 
 573 /* SSL_OP_ALL: various bug workarounds that should be rather harmless.
 574  *             This used to be 0x000FFFFFL before 0.9.7. */
 575 #define SSL_OP_ALL                                      0x80000BFFL
 576 
 577 /* DTLS options */
 578 #define SSL_OP_NO_QUERY_MTU                 0x00001000L
 579 /* Turn on Cookie Exchange (on relevant for servers) */
 580 #define SSL_OP_COOKIE_EXCHANGE              0x00002000L
 581 /* Don't use RFC4507 ticket extension */
 582 #define SSL_OP_NO_TICKET                    0x00004000L
 583 /* Use Cisco's "speshul" version of DTLS_BAD_VER (as client)  */
 584 #define SSL_OP_CISCO_ANYCONNECT             0x00008000L
 585 
 586 /* As server, disallow session resumption on renegotiation */
 587 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION   0x00010000L
 588 /* Don't use compression even if supported */
 589 #define SSL_OP_NO_COMPRESSION                           0x00020000L
 590 /* Permit unsafe legacy renegotiation */
 591 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION        0x00040000L
 592 /* If set, always create a new key when using tmp_ecdh parameters */
 593 #define SSL_OP_SINGLE_ECDH_USE                          0x00080000L
 594 /* If set, always create a new key when using tmp_dh parameters */
 595 #define SSL_OP_SINGLE_DH_USE                            0x00100000L
 596 /* Set to always use the tmp_rsa key when doing RSA operations,
 597  * even when this violates protocol specs */
 598 #define SSL_OP_EPHEMERAL_RSA                            0x00200000L
 599 /* Set on servers to choose the cipher according to the server's
 600  * preferences */
 601 #define SSL_OP_CIPHER_SERVER_PREFERENCE                 0x00400000L
 602 /* If set, a server will allow a client to issue a SSLv3.0 version number
 603  * as latest version supported in the premaster secret, even when TLSv1.0
 604  * (version 3.1) was announced in the client hello. Normally this is
 605  * forbidden to prevent version rollback attacks. */
 606 #define SSL_OP_TLS_ROLLBACK_BUG                         0x00800000L
 607 
 608 #define SSL_OP_NO_SSLv2                                 0x01000000L
 609 #define SSL_OP_NO_SSLv3                                 0x02000000L
 610 #define SSL_OP_NO_TLSv1                                 0x04000000L
 611 #define SSL_OP_NO_TLSv1_2                               0x08000000L
 612 #define SSL_OP_NO_TLSv1_1                               0x10000000L
 613 
 614 /* These next two were never actually used for anything since SSLeay
 615  * zap so we have some more flags.
 616  */
 617 /* The next flag deliberately changes the ciphertest, this is a check
 618  * for the PKCS#1 attack */
 619 #define SSL_OP_PKCS1_CHECK_1                            0x0
 620 #define SSL_OP_PKCS1_CHECK_2                            0x0
 621 
 622 #define SSL_OP_NETSCAPE_CA_DN_BUG                       0x20000000L
 623 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG          0x40000000L
 624 /* Make server add server-hello extension from early version of
 625  * cryptopro draft, when GOST ciphersuite is negotiated. 
 626  * Required for interoperability with CryptoPro CSP 3.x 
 627  */
 628 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG                     0x80000000L
 629 
 630 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
 631  * when just a single record has been written): */
 632 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
 633 /* Make it possible to retry SSL_write() with changed buffer location
 634  * (buffer contents must stay the same!); this is not the default to avoid
 635  * the misconception that non-blocking SSL_write() behaves like
 636  * non-blocking write(): */
 637 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
 638 /* Never bother the application with retries if the transport
 639  * is blocking: */
 640 #define SSL_MODE_AUTO_RETRY 0x00000004L
 641 /* Don't attempt to automatically build certificate chain */
 642 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
 643 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
 644  * TLS only.)  "Released" buffers are put onto a free-list in the context
 645  * or just freed (depending on the context's setting for freelist_max_len). */
 646 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
 647 /* Send the current time in the Random fields of the ClientHello and
 648  * ServerHello records for compatibility with hypothetical implementations
 649  * that require it.
 650  */
 651 #define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020L
 652 #define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040L
 653 
 654 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
 655  * they cannot be used to clear bits. */
 656 
 657 #define SSL_CTX_set_options(ctx,op) \
 658         SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
 659 #define SSL_CTX_clear_options(ctx,op) \
 660         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
 661 #define SSL_CTX_get_options(ctx) \
 662         SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
 663 #define SSL_set_options(ssl,op) \
 664         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
 665 #define SSL_clear_options(ssl,op) \
 666         SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
 667 #define SSL_get_options(ssl) \
 668         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
 669 
 670 #define SSL_CTX_set_mode(ctx,op) \
 671         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
 672 #define SSL_CTX_clear_mode(ctx,op) \
 673         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
 674 #define SSL_CTX_get_mode(ctx) \
 675         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
 676 #define SSL_clear_mode(ssl,op) \
 677         SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
 678 #define SSL_set_mode(ssl,op) \
 679         SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
 680 #define SSL_get_mode(ssl) \
 681         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
 682 #define SSL_set_mtu(ssl, mtu) \
 683         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
 684 
 685 #define SSL_get_secure_renegotiation_support(ssl) \
 686         SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
 687 
 688 #ifndef OPENSSL_NO_HEARTBEATS
 689 #define SSL_heartbeat(ssl) \
 690         SSL_ctrl((ssl),SSL_CTRL_TLS_EXT_SEND_HEARTBEAT,0,NULL)
 691 #endif
 692 
 693 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
 694 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
 695 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
 696 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
 697 
 698 #ifndef OPENSSL_NO_SRP
 699 
 700 #ifndef OPENSSL_NO_SSL_INTERN
 701 
 702 typedef struct srp_ctx_st
 703         {
 704         /* param for all the callbacks */
 705         void *SRP_cb_arg;
 706         /* set client Hello login callback */
 707         int (*TLS_ext_srp_username_callback)(SSL *, int *, void *);
 708         /* set SRP N/g param callback for verification */
 709         int (*SRP_verify_param_callback)(SSL *, void *);
 710         /* set SRP client passwd callback */
 711         char *(*SRP_give_srp_client_pwd_callback)(SSL *, void *);
 712 
 713         char *login;
 714         BIGNUM *N,*g,*s,*B,*A;
 715         BIGNUM *a,*b,*v;
 716         char *info;
 717         int strength;
 718 
 719         unsigned long srp_Mask;
 720         } SRP_CTX;
 721 
 722 #endif
 723 
 724 /* see tls_srp.c */
 725 int SSL_SRP_CTX_init(SSL *s);
 726 int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
 727 int SSL_SRP_CTX_free(SSL *ctx);
 728 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
 729 int SSL_srp_server_param_with_username(SSL *s, int *ad);
 730 int SRP_generate_server_master_secret(SSL *s,unsigned char *master_key);
 731 int SRP_Calc_A_param(SSL *s);
 732 int SRP_generate_client_master_secret(SSL *s,unsigned char *master_key);
 733 
 734 #endif
 735 
 736 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
 737 #define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
 738 #else
 739 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
 740 #endif
 741 
 742 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT      (1024*20)
 743 
 744 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
 745  * them. It is used to override the generation of SSL/TLS session IDs in a
 746  * server. Return value should be zero on an error, non-zero to proceed. Also,
 747  * callbacks should themselves check if the id they generate is unique otherwise
 748  * the SSL handshake will fail with an error - callbacks can do this using the
 749  * 'ssl' value they're passed by;
 750  *      SSL_has_matching_session_id(ssl, id, *id_len)
 751  * The length value passed in is set at the maximum size the session ID can be.
 752  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
 753  * can alter this length to be less if desired, but under SSLv2 session IDs are
 754  * supposed to be fixed at 16 bytes so the id will be padded after the callback
 755  * returns in this case. It is also an error for the callback to set the size to
 756  * zero. */
 757 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
 758                                 unsigned int *id_len);
 759 
 760 typedef struct ssl_comp_st SSL_COMP;
 761 
 762 #ifndef OPENSSL_NO_SSL_INTERN
 763 
 764 struct ssl_comp_st
 765         {
 766         int id;
 767         const char *name;
 768 #ifndef OPENSSL_NO_COMP
 769         COMP_METHOD *method;
 770 #else
 771         char *method;
 772 #endif
 773         };
 774 
 775 DECLARE_STACK_OF(SSL_COMP)
 776 DECLARE_LHASH_OF(SSL_SESSION);
 777 
 778 struct ssl_ctx_st
 779         {
 780         const SSL_METHOD *method;
 781 
 782         STACK_OF(SSL_CIPHER) *cipher_list;
 783         /* same as above but sorted for lookup */
 784         STACK_OF(SSL_CIPHER) *cipher_list_by_id;
 785 
 786         struct x509_store_st /* X509_STORE */ *cert_store;
 787         LHASH_OF(SSL_SESSION) *sessions;
 788         /* Most session-ids that will be cached, default is
 789          * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. */
 790         unsigned long session_cache_size;
 791         struct ssl_session_st *session_cache_head;
 792         struct ssl_session_st *session_cache_tail;
 793 
 794         /* This can have one of 2 values, ored together,
 795          * SSL_SESS_CACHE_CLIENT,
 796          * SSL_SESS_CACHE_SERVER,
 797          * Default is SSL_SESSION_CACHE_SERVER, which means only
 798          * SSL_accept which cache SSL_SESSIONS. */
 799         int session_cache_mode;
 800 
 801         /* If timeout is not 0, it is the default timeout value set
 802          * when SSL_new() is called.  This has been put in to make
 803          * life easier to set things up */
 804         long session_timeout;
 805 
 806         /* If this callback is not null, it will be called each
 807          * time a session id is added to the cache.  If this function
 808          * returns 1, it means that the callback will do a
 809          * SSL_SESSION_free() when it has finished using it.  Otherwise,
 810          * on 0, it means the callback has finished with it.
 811          * If remove_session_cb is not null, it will be called when
 812          * a session-id is removed from the cache.  After the call,
 813          * OpenSSL will SSL_SESSION_free() it. */
 814         int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess);
 815         void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess);
 816         SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
 817                 unsigned char *data,int len,int *copy);
 818 
 819         struct
 820                 {
 821                 int sess_connect;       /* SSL new conn - started */
 822                 int sess_connect_renegotiate;/* SSL reneg - requested */
 823                 int sess_connect_good;  /* SSL new conne/reneg - finished */
 824                 int sess_accept;        /* SSL new accept - started */
 825                 int sess_accept_renegotiate;/* SSL reneg - requested */
 826                 int sess_accept_good;   /* SSL accept/reneg - finished */
 827                 int sess_miss;          /* session lookup misses  */
 828                 int sess_timeout;       /* reuse attempt on timeouted session */
 829                 int sess_cache_full;    /* session removed due to full cache */
 830                 int sess_hit;           /* session reuse actually done */
 831                 int sess_cb_hit;        /* session-id that was not
 832                                          * in the cache was
 833                                          * passed back via the callback.  This
 834                                          * indicates that the application is
 835                                          * supplying session-id's from other
 836                                          * processes - spooky :-) */
 837                 } stats;
 838 
 839         int references;
 840 
 841         /* if defined, these override the X509_verify_cert() calls */
 842         int (*app_verify_callback)(X509_STORE_CTX *, void *);
 843         void *app_verify_arg;
 844         /* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
 845          * ('app_verify_callback' was called with just one argument) */
 846 
 847         /* Default password callback. */
 848         pem_password_cb *default_passwd_callback;
 849 
 850         /* Default password callback user data. */
 851         void *default_passwd_callback_userdata;
 852 
 853         /* get client cert callback */
 854         int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
 855 
 856     /* cookie generate callback */
 857     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie, 
 858         unsigned int *cookie_len);
 859 
 860     /* verify cookie callback */
 861     int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie, 
 862         unsigned int cookie_len);
 863 
 864         CRYPTO_EX_DATA ex_data;
 865 
 866         const EVP_MD *rsa_md5;/* For SSLv2 - name is 'ssl2-md5' */
 867         const EVP_MD *md5;      /* For SSLv3/TLSv1 'ssl3-md5' */
 868         const EVP_MD *sha1;   /* For SSLv3/TLSv1 'ssl3->sha1' */
 869 
 870         STACK_OF(X509) *extra_certs;
 871         STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
 872 
 873 
 874         /* Default values used when no per-SSL value is defined follow */
 875 
 876         void (*info_callback)(const SSL *ssl,int type,int val); /* used if SSL's info_callback is NULL */
 877 
 878         /* what we put in client cert requests */
 879         STACK_OF(X509_NAME) *client_CA;
 880 
 881 
 882         /* Default values to use in SSL structures follow (these are copied by SSL_new) */
 883 
 884         unsigned long options;
 885         unsigned long mode;
 886         long max_cert_list;
 887 
 888         struct cert_st /* CERT */ *cert;
 889         int read_ahead;
 890 
 891         /* callback that allows applications to peek at protocol messages */
 892         void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
 893         void *msg_callback_arg;
 894 
 895         int verify_mode;
 896         unsigned int sid_ctx_length;
 897         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
 898         int (*default_verify_callback)(int ok,X509_STORE_CTX *ctx); /* called 'verify_callback' in the SSL */
 899 
 900         /* Default generate session ID callback. */
 901         GEN_SESSION_CB generate_session_id;
 902 
 903         X509_VERIFY_PARAM *param;
 904 
 905 #if 0
 906         int purpose;            /* Purpose setting */
 907         int trust;              /* Trust setting */
 908 #endif
 909 
 910         int quiet_shutdown;
 911 
 912         /* Maximum amount of data to send in one fragment.
 913          * actual record size can be more than this due to
 914          * padding and MAC overheads.
 915          */
 916         unsigned int max_send_fragment;
 917 
 918 #ifndef OPENSSL_NO_ENGINE
 919         /* Engine to pass requests for client certs to
 920          */
 921         ENGINE *client_cert_engine;
 922 #endif
 923 
 924 #ifndef OPENSSL_NO_TLSEXT
 925         /* TLS extensions servername callback */
 926         int (*tlsext_servername_callback)(SSL*, int *, void *);
 927         void *tlsext_servername_arg;
 928         /* RFC 4507 session ticket keys */
 929         unsigned char tlsext_tick_key_name[16];
 930         unsigned char tlsext_tick_hmac_key[16];
 931         unsigned char tlsext_tick_aes_key[16];
 932         /* Callback to support customisation of ticket key setting */
 933         int (*tlsext_ticket_key_cb)(SSL *ssl,
 934                                         unsigned char *name, unsigned char *iv,
 935                                         EVP_CIPHER_CTX *ectx,
 936                                         HMAC_CTX *hctx, int enc);
 937 
 938         /* certificate status request info */
 939         /* Callback for status request */
 940         int (*tlsext_status_cb)(SSL *ssl, void *arg);
 941         void *tlsext_status_arg;
 942 
 943         /* draft-rescorla-tls-opaque-prf-input-00.txt information */
 944         int (*tlsext_opaque_prf_input_callback)(SSL *, void *peerinput, size_t len, void *arg);
 945         void *tlsext_opaque_prf_input_callback_arg;
 946 #endif
 947 
 948 #ifndef OPENSSL_NO_PSK
 949         char *psk_identity_hint;
 950         unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
 951                 unsigned int max_identity_len, unsigned char *psk,
 952                 unsigned int max_psk_len);
 953         unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
 954                 unsigned char *psk, unsigned int max_psk_len);
 955 #endif
 956 
 957 #ifndef OPENSSL_NO_BUF_FREELISTS
 958 #define SSL_MAX_BUF_FREELIST_LEN_DEFAULT 32
 959         unsigned int freelist_max_len;
 960         struct ssl3_buf_freelist_st *wbuf_freelist;
 961         struct ssl3_buf_freelist_st *rbuf_freelist;
 962 #endif
 963 #ifndef OPENSSL_NO_SRP
 964         SRP_CTX srp_ctx; /* ctx for SRP authentication */
 965 #endif
 966 
 967 #ifndef OPENSSL_NO_TLSEXT
 968 
 969 # ifndef OPENSSL_NO_NEXTPROTONEG
 970         /* Next protocol negotiation information */
 971         /* (for experimental NPN extension). */
 972 
 973         /* For a server, this contains a callback function by which the set of
 974          * advertised protocols can be provided. */
 975         int (*next_protos_advertised_cb)(SSL *s, const unsigned char **buf,
 976                                          unsigned int *len, void *arg);
 977         void *next_protos_advertised_cb_arg;
 978         /* For a client, this contains a callback function that selects the
 979          * next protocol from the list provided by the server. */
 980         int (*next_proto_select_cb)(SSL *s, unsigned char **out,
 981                                     unsigned char *outlen,
 982                                     const unsigned char *in,
 983                                     unsigned int inlen,
 984                                     void *arg);
 985         void *next_proto_select_cb_arg;
 986 # endif
 987         /* SRTP profiles we are willing to do from RFC 5764 */
 988         STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;  
 989 #endif
 990         };
 991 
 992 #endif
 993 
 994 #define SSL_SESS_CACHE_OFF                      0x0000
 995 #define SSL_SESS_CACHE_CLIENT                   0x0001
 996 #define SSL_SESS_CACHE_SERVER                   0x0002
 997 #define SSL_SESS_CACHE_BOTH     (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
 998 #define SSL_SESS_CACHE_NO_AUTO_CLEAR            0x0080
 999 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
1000 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP       0x0100
1001 #define SSL_SESS_CACHE_NO_INTERNAL_STORE        0x0200
1002 #define SSL_SESS_CACHE_NO_INTERNAL \
1003         (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
1004 
1005 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
1006 #define SSL_CTX_sess_number(ctx) \
1007         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
1008 #define SSL_CTX_sess_connect(ctx) \
1009         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
1010 #define SSL_CTX_sess_connect_good(ctx) \
1011         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
1012 #define SSL_CTX_sess_connect_renegotiate(ctx) \
1013         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
1014 #define SSL_CTX_sess_accept(ctx) \
1015         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
1016 #define SSL_CTX_sess_accept_renegotiate(ctx) \
1017         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
1018 #define SSL_CTX_sess_accept_good(ctx) \
1019         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
1020 #define SSL_CTX_sess_hits(ctx) \
1021         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
1022 #define SSL_CTX_sess_cb_hits(ctx) \
1023         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
1024 #define SSL_CTX_sess_misses(ctx) \
1025         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
1026 #define SSL_CTX_sess_timeouts(ctx) \
1027         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
1028 #define SSL_CTX_sess_cache_full(ctx) \
1029         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
1030 
1031 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess));
1032 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl, SSL_SESSION *sess);
1033 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess));
1034 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx, SSL_SESSION *sess);
1035 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl, unsigned char *data,int len,int *copy));
1036 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl, unsigned char *Data, int len, int *copy);
1037 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,int type,int val));
1038 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl,int type,int val);
1039 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
1040 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
1041 #ifndef OPENSSL_NO_ENGINE
1042 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
1043 #endif
1044 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len));
1045 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int cookie_len));
1046 #ifndef OPENSSL_NO_NEXTPROTONEG
1047 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
1048                                            int (*cb) (SSL *ssl,
1049                                                       const unsigned char **out,
1050                                                       unsigned int *outlen,
1051                                                       void *arg),
1052                                            void *arg);
1053 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
1054                                       int (*cb) (SSL *ssl,
1055                                                  unsigned char **out,
1056                                                  unsigned char *outlen,
1057                                                  const unsigned char *in,
1058                                                  unsigned int inlen,
1059                                                  void *arg),
1060                                       void *arg);
1061 
1062 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
1063                           const unsigned char *in, unsigned int inlen,
1064                           const unsigned char *client, unsigned int client_len);
1065 void SSL_get0_next_proto_negotiated(const SSL *s,
1066                                     const unsigned char **data, unsigned *len);
1067 
1068 #define OPENSSL_NPN_UNSUPPORTED 0
1069 #define OPENSSL_NPN_NEGOTIATED  1
1070 #define OPENSSL_NPN_NO_OVERLAP  2
1071 #endif
1072 
1073 #ifndef OPENSSL_NO_PSK
1074 /* the maximum length of the buffer given to callbacks containing the
1075  * resulting identity/psk */
1076 #define PSK_MAX_IDENTITY_LEN 128
1077 #define PSK_MAX_PSK_LEN 256
1078 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, 
1079         unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, 
1080                 char *identity, unsigned int max_identity_len, unsigned char *psk,
1081                 unsigned int max_psk_len));
1082 void SSL_set_psk_client_callback(SSL *ssl, 
1083         unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, 
1084                 char *identity, unsigned int max_identity_len, unsigned char *psk,
1085                 unsigned int max_psk_len));
1086 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, 
1087         unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1088                 unsigned char *psk, unsigned int max_psk_len));
1089 void SSL_set_psk_server_callback(SSL *ssl,
1090         unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1091                 unsigned char *psk, unsigned int max_psk_len));
1092 int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
1093 int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
1094 const char *SSL_get_psk_identity_hint(const SSL *s);
1095 const char *SSL_get_psk_identity(const SSL *s);
1096 #endif
1097 
1098 #define SSL_NOTHING     1
1099 #define SSL_WRITING     2
1100 #define SSL_READING     3
1101 #define SSL_X509_LOOKUP 4
1102 
1103 /* These will only be used when doing non-blocking IO */
1104 #define SSL_want_nothing(s)     (SSL_want(s) == SSL_NOTHING)
1105 #define SSL_want_read(s)        (SSL_want(s) == SSL_READING)
1106 #define SSL_want_write(s)       (SSL_want(s) == SSL_WRITING)
1107 #define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
1108 
1109 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
1110 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
1111 
1112 #ifndef OPENSSL_NO_SSL_INTERN
1113 
1114 struct ssl_st
1115         {
1116         /* protocol version
1117          * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
1118          */
1119         int version;
1120         int type; /* SSL_ST_CONNECT or SSL_ST_ACCEPT */
1121 
1122         const SSL_METHOD *method; /* SSLv3 */
1123 
1124         /* There are 2 BIO's even though they are normally both the
1125          * same.  This is so data can be read and written to different
1126          * handlers */
1127 
1128 #ifndef OPENSSL_NO_BIO
1129         BIO *rbio; /* used by SSL_read */
1130         BIO *wbio; /* used by SSL_write */
1131         BIO *bbio; /* used during session-id reuse to concatenate
1132                     * messages */
1133 #else
1134         char *rbio; /* used by SSL_read */
1135         char *wbio; /* used by SSL_write */
1136         char *bbio;
1137 #endif
1138         /* This holds a variable that indicates what we were doing
1139          * when a 0 or -1 is returned.  This is needed for
1140          * non-blocking IO so we know what request needs re-doing when
1141          * in SSL_accept or SSL_connect */
1142         int rwstate;
1143 
1144         /* true when we are actually in SSL_accept() or SSL_connect() */
1145         int in_handshake;
1146         int (*handshake_func)(SSL *);
1147 
1148         /* Imagine that here's a boolean member "init" that is
1149          * switched as soon as SSL_set_{accept/connect}_state
1150          * is called for the first time, so that "state" and
1151          * "handshake_func" are properly initialized.  But as
1152          * handshake_func is == 0 until then, we use this
1153          * test instead of an "init" member.
1154          */
1155 
1156         int server;     /* are we the server side? - mostly used by SSL_clear*/
1157 
1158         int new_session;/* Generate a new session or reuse an old one.
1159                          * NB: For servers, the 'new' session may actually be a previously
1160                          * cached session or even the previous session unless
1161                          * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */
1162         int quiet_shutdown;/* don't send shutdown packets */
1163         int shutdown;   /* we have shut things down, 0x01 sent, 0x02
1164                          * for received */
1165         int state;      /* where we are */
1166         int rstate;     /* where we are when reading */
1167 
1168         BUF_MEM *init_buf;      /* buffer used during init */
1169         void *init_msg;         /* pointer to handshake message body, set by ssl3_get_message() */
1170         int init_num;           /* amount read/written */
1171         int init_off;           /* amount read/written */
1172 
1173         /* used internally to point at a raw packet */
1174         unsigned char *packet;
1175         unsigned int packet_length;
1176 
1177         struct ssl2_state_st *s2; /* SSLv2 variables */
1178         struct ssl3_state_st *s3; /* SSLv3 variables */
1179         struct dtls1_state_st *d1; /* DTLSv1 variables */
1180 
1181         int read_ahead;         /* Read as many input bytes as possible
1182                                  * (for non-blocking reads) */
1183 
1184         /* callback that allows applications to peek at protocol messages */
1185         void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
1186         void *msg_callback_arg;
1187 
1188         int hit;                /* reusing a previous session */
1189 
1190         X509_VERIFY_PARAM *param;
1191 
1192 #if 0
1193         int purpose;            /* Purpose setting */
1194         int trust;              /* Trust setting */
1195 #endif
1196 
1197         /* crypto */
1198         STACK_OF(SSL_CIPHER) *cipher_list;
1199         STACK_OF(SSL_CIPHER) *cipher_list_by_id;
1200 
1201         /* These are the ones being used, the ones in SSL_SESSION are
1202          * the ones to be 'copied' into these ones */
1203         int mac_flags; 
1204         EVP_CIPHER_CTX *enc_read_ctx;           /* cryptographic state */
1205         EVP_MD_CTX *read_hash;          /* used for mac generation */
1206 #ifndef OPENSSL_NO_COMP
1207         COMP_CTX *expand;                       /* uncompress */
1208 #else
1209         char *expand;
1210 #endif
1211 
1212         EVP_CIPHER_CTX *enc_write_ctx;          /* cryptographic state */
1213         EVP_MD_CTX *write_hash;         /* used for mac generation */
1214 #ifndef OPENSSL_NO_COMP
1215         COMP_CTX *compress;                     /* compression */
1216 #else
1217         char *compress; 
1218 #endif
1219 
1220         /* session info */
1221 
1222         /* client cert? */
1223         /* This is used to hold the server certificate used */
1224         struct cert_st /* CERT */ *cert;
1225 
1226         /* the session_id_context is used to ensure sessions are only reused
1227          * in the appropriate context */
1228         unsigned int sid_ctx_length;
1229         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
1230 
1231         /* This can also be in the session once a session is established */
1232         SSL_SESSION *session;
1233 
1234         /* Default generate session ID callback. */
1235         GEN_SESSION_CB generate_session_id;
1236 
1237         /* Used in SSL2 and SSL3 */
1238         int verify_mode;        /* 0 don't care about verify failure.
1239                                  * 1 fail if verify fails */
1240         int (*verify_callback)(int ok,X509_STORE_CTX *ctx); /* fail if callback returns 0 */
1241 
1242         void (*info_callback)(const SSL *ssl,int type,int val); /* optional informational callback */
1243 
1244         int error;              /* error bytes to be written */
1245         int error_code;         /* actual code */
1246 
1247 #ifndef OPENSSL_NO_KRB5
1248         KSSL_CTX *kssl_ctx;     /* Kerberos 5 context */
1249 #endif  /* OPENSSL_NO_KRB5 */
1250 
1251 #ifndef OPENSSL_NO_PSK
1252         unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
1253                 unsigned int max_identity_len, unsigned char *psk,
1254                 unsigned int max_psk_len);
1255         unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1256                 unsigned char *psk, unsigned int max_psk_len);
1257 #endif
1258 
1259         SSL_CTX *ctx;
1260         /* set this flag to 1 and a sleep(1) is put into all SSL_read()
1261          * and SSL_write() calls, good for nbio debuging :-) */
1262         int debug;      
1263 
1264         /* extra application data */
1265         long verify_result;
1266         CRYPTO_EX_DATA ex_data;
1267 
1268         /* for server side, keep the list of CA_dn we can use */
1269         STACK_OF(X509_NAME) *client_CA;
1270 
1271         int references;
1272         unsigned long options; /* protocol behaviour */
1273         unsigned long mode; /* API behaviour */
1274         long max_cert_list;
1275         int first_packet;
1276         int client_version;     /* what was passed, used for
1277                                  * SSLv3/TLS rollback check */
1278         unsigned int max_send_fragment;
1279 #ifndef OPENSSL_NO_TLSEXT
1280         /* TLS extension debug callback */
1281         void (*tlsext_debug_cb)(SSL *s, int client_server, int type,
1282                                         unsigned char *data, int len,
1283                                         void *arg);
1284         void *tlsext_debug_arg;
1285         char *tlsext_hostname;
1286         int servername_done;   /* no further mod of servername 
1287                                   0 : call the servername extension callback.
1288                                   1 : prepare 2, allow last ack just after in server callback.
1289                                   2 : don't call servername callback, no ack in server hello
1290                                */
1291         /* certificate status request info */
1292         /* Status type or -1 if no status type */
1293         int tlsext_status_type;
1294         /* Expect OCSP CertificateStatus message */
1295         int tlsext_status_expected;
1296         /* OCSP status request only */
1297         STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
1298         X509_EXTENSIONS *tlsext_ocsp_exts;
1299         /* OCSP response received or to be sent */
1300         unsigned char *tlsext_ocsp_resp;
1301         int tlsext_ocsp_resplen;
1302 
1303         /* RFC4507 session ticket expected to be received or sent */
1304         int tlsext_ticket_expected;
1305 #ifndef OPENSSL_NO_EC
1306         size_t tlsext_ecpointformatlist_length;
1307         unsigned char *tlsext_ecpointformatlist; /* our list */
1308         size_t tlsext_ellipticcurvelist_length;
1309         unsigned char *tlsext_ellipticcurvelist; /* our list */
1310 #endif /* OPENSSL_NO_EC */
1311 
1312         /* draft-rescorla-tls-opaque-prf-input-00.txt information to be used for handshakes */
1313         void *tlsext_opaque_prf_input;
1314         size_t tlsext_opaque_prf_input_len;
1315 
1316         /* TLS Session Ticket extension override */
1317         TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
1318 
1319         /* TLS Session Ticket extension callback */
1320         tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
1321         void *tls_session_ticket_ext_cb_arg;
1322 
1323         /* TLS pre-shared secret session resumption */
1324         tls_session_secret_cb_fn tls_session_secret_cb;
1325         void *tls_session_secret_cb_arg;
1326 
1327         SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
1328 
1329 #ifndef OPENSSL_NO_NEXTPROTONEG
1330         /* Next protocol negotiation. For the client, this is the protocol that
1331          * we sent in NextProtocol and is set when handling ServerHello
1332          * extensions.
1333          *
1334          * For a server, this is the client's selected_protocol from
1335          * NextProtocol and is set when handling the NextProtocol message,
1336          * before the Finished message. */
1337         unsigned char *next_proto_negotiated;
1338         unsigned char next_proto_negotiated_len;
1339 #endif
1340 
1341 #define session_ctx initial_ctx
1342 
1343         STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;  /* What we'll do */
1344         SRTP_PROTECTION_PROFILE *srtp_profile;            /* What's been chosen */
1345 
1346         unsigned int tlsext_heartbeat;  /* Is use of the Heartbeat extension negotiated?
1347                                            0: disabled
1348                                            1: enabled
1349                                            2: enabled, but not allowed to send Requests
1350                                          */
1351         unsigned int tlsext_hb_pending; /* Indicates if a HeartbeatRequest is in flight */
1352         unsigned int tlsext_hb_seq;     /* HeartbeatRequest sequence number */
1353 #else
1354 #define session_ctx ctx
1355 #endif /* OPENSSL_NO_TLSEXT */
1356 
1357         int renegotiate;/* 1 if we are renegotiating.
1358                          * 2 if we are a server and are inside a handshake
1359                          * (i.e. not just sending a HelloRequest) */
1360 
1361 #ifndef OPENSSL_NO_SRP
1362         SRP_CTX srp_ctx; /* ctx for SRP authentication */
1363 #endif
1364         };
1365 
1366 #endif
1367 
1368 #ifdef __cplusplus
1369 }
1370 #endif
1371 
1372 #include <openssl/ssl2.h>
1373 #include <openssl/ssl3.h>
1374 #include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
1375 #include <openssl/dtls1.h> /* Datagram TLS */
1376 #include <openssl/ssl23.h>
1377 #include <openssl/srtp.h>  /* Support for the use_srtp extension */
1378 
1379 #ifdef  __cplusplus
1380 extern "C" {
1381 #endif
1382 
1383 /* compatibility */
1384 #define SSL_set_app_data(s,arg)         (SSL_set_ex_data(s,0,(char *)arg))
1385 #define SSL_get_app_data(s)             (SSL_get_ex_data(s,0))
1386 #define SSL_SESSION_set_app_data(s,a)   (SSL_SESSION_set_ex_data(s,0,(char *)a))
1387 #define SSL_SESSION_get_app_data(s)     (SSL_SESSION_get_ex_data(s,0))
1388 #define SSL_CTX_get_app_data(ctx)       (SSL_CTX_get_ex_data(ctx,0))
1389 #define SSL_CTX_set_app_data(ctx,arg)   (SSL_CTX_set_ex_data(ctx,0,(char *)arg))
1390 
1391 /* The following are the possible values for ssl->state are are
1392  * used to indicate where we are up to in the SSL connection establishment.
1393  * The macros that follow are about the only things you should need to use
1394  * and even then, only when using non-blocking IO.
1395  * It can also be useful to work out where you were when the connection
1396  * failed */
1397 
1398 #define SSL_ST_CONNECT                  0x1000
1399 #define SSL_ST_ACCEPT                   0x2000
1400 #define SSL_ST_MASK                     0x0FFF
1401 #define SSL_ST_INIT                     (SSL_ST_CONNECT|SSL_ST_ACCEPT)
1402 #define SSL_ST_BEFORE                   0x4000
1403 #define SSL_ST_OK                       0x03
1404 #define SSL_ST_RENEGOTIATE              (0x04|SSL_ST_INIT)
1405 
1406 #define SSL_CB_LOOP                     0x01
1407 #define SSL_CB_EXIT                     0x02
1408 #define SSL_CB_READ                     0x04
1409 #define SSL_CB_WRITE                    0x08
1410 #define SSL_CB_ALERT                    0x4000 /* used in callback */
1411 #define SSL_CB_READ_ALERT               (SSL_CB_ALERT|SSL_CB_READ)
1412 #define SSL_CB_WRITE_ALERT              (SSL_CB_ALERT|SSL_CB_WRITE)
1413 #define SSL_CB_ACCEPT_LOOP              (SSL_ST_ACCEPT|SSL_CB_LOOP)
1414 #define SSL_CB_ACCEPT_EXIT              (SSL_ST_ACCEPT|SSL_CB_EXIT)
1415 #define SSL_CB_CONNECT_LOOP             (SSL_ST_CONNECT|SSL_CB_LOOP)
1416 #define SSL_CB_CONNECT_EXIT             (SSL_ST_CONNECT|SSL_CB_EXIT)
1417 #define SSL_CB_HANDSHAKE_START          0x10
1418 #define SSL_CB_HANDSHAKE_DONE           0x20
1419 
1420 /* Is the SSL_connection established? */
1421 #define SSL_get_state(a)                SSL_state(a)
1422 #define SSL_is_init_finished(a)         (SSL_state(a) == SSL_ST_OK)
1423 #define SSL_in_init(a)                  (SSL_state(a)&SSL_ST_INIT)
1424 #define SSL_in_before(a)                (SSL_state(a)&SSL_ST_BEFORE)
1425 #define SSL_in_connect_init(a)          (SSL_state(a)&SSL_ST_CONNECT)
1426 #define SSL_in_accept_init(a)           (SSL_state(a)&SSL_ST_ACCEPT)
1427 
1428 /* The following 2 states are kept in ssl->rstate when reads fail,
1429  * you should not need these */
1430 #define SSL_ST_READ_HEADER                      0xF0
1431 #define SSL_ST_READ_BODY                        0xF1
1432 #define SSL_ST_READ_DONE                        0xF2
1433 
1434 /* Obtain latest Finished message
1435  *   -- that we sent (SSL_get_finished)
1436  *   -- that we expected from peer (SSL_get_peer_finished).
1437  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
1438 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1439 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1440 
1441 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
1442  * are 'ored' with SSL_VERIFY_PEER if they are desired */
1443 #define SSL_VERIFY_NONE                 0x00
1444 #define SSL_VERIFY_PEER                 0x01
1445 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1446 #define SSL_VERIFY_CLIENT_ONCE          0x04
1447 
1448 #define OpenSSL_add_ssl_algorithms()    SSL_library_init()
1449 #define SSLeay_add_ssl_algorithms()     SSL_library_init()
1450 
1451 /* this is for backward compatibility */
1452 #if 0 /* NEW_SSLEAY */
1453 #define SSL_CTX_set_default_verify(a,b,c) SSL_CTX_set_verify(a,b,c)
1454 #define SSL_set_pref_cipher(c,n)        SSL_set_cipher_list(c,n)
1455 #define SSL_add_session(a,b)            SSL_CTX_add_session((a),(b))
1456 #define SSL_remove_session(a,b)         SSL_CTX_remove_session((a),(b))
1457 #define SSL_flush_sessions(a,b)         SSL_CTX_flush_sessions((a),(b))
1458 #endif
1459 /* More backward compatibility */
1460 #define SSL_get_cipher(s) \
1461                 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1462 #define SSL_get_cipher_bits(s,np) \
1463                 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1464 #define SSL_get_cipher_version(s) \
1465                 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1466 #define SSL_get_cipher_name(s) \
1467                 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1468 #define SSL_get_time(a)         SSL_SESSION_get_time(a)
1469 #define SSL_set_time(a,b)       SSL_SESSION_set_time((a),(b))
1470 #define SSL_get_timeout(a)      SSL_SESSION_get_timeout(a)
1471 #define SSL_set_timeout(a,b)    SSL_SESSION_set_timeout((a),(b))
1472 
1473 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1474 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1475 
1476 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1477 
1478 #define SSL_AD_REASON_OFFSET            1000 /* offset to get SSL_R_... value from SSL_AD_... */
1479 
1480 /* These alert types are for SSLv3 and TLSv1 */
1481 #define SSL_AD_CLOSE_NOTIFY             SSL3_AD_CLOSE_NOTIFY
1482 #define SSL_AD_UNEXPECTED_MESSAGE       SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
1483 #define SSL_AD_BAD_RECORD_MAC           SSL3_AD_BAD_RECORD_MAC     /* fatal */
1484 #define SSL_AD_DECRYPTION_FAILED        TLS1_AD_DECRYPTION_FAILED
1485 #define SSL_AD_RECORD_OVERFLOW          TLS1_AD_RECORD_OVERFLOW
1486 #define SSL_AD_DECOMPRESSION_FAILURE    SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
1487 #define SSL_AD_HANDSHAKE_FAILURE        SSL3_AD_HANDSHAKE_FAILURE/* fatal */
1488 #define SSL_AD_NO_CERTIFICATE           SSL3_AD_NO_CERTIFICATE /* Not for TLS */
1489 #define SSL_AD_BAD_CERTIFICATE          SSL3_AD_BAD_CERTIFICATE
1490 #define SSL_AD_UNSUPPORTED_CERTIFICATE  SSL3_AD_UNSUPPORTED_CERTIFICATE
1491 #define SSL_AD_CERTIFICATE_REVOKED      SSL3_AD_CERTIFICATE_REVOKED
1492 #define SSL_AD_CERTIFICATE_EXPIRED      SSL3_AD_CERTIFICATE_EXPIRED
1493 #define SSL_AD_CERTIFICATE_UNKNOWN      SSL3_AD_CERTIFICATE_UNKNOWN
1494 #define SSL_AD_ILLEGAL_PARAMETER        SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
1495 #define SSL_AD_UNKNOWN_CA               TLS1_AD_UNKNOWN_CA      /* fatal */
1496 #define SSL_AD_ACCESS_DENIED            TLS1_AD_ACCESS_DENIED   /* fatal */
1497 #define SSL_AD_DECODE_ERROR             TLS1_AD_DECODE_ERROR    /* fatal */
1498 #define SSL_AD_DECRYPT_ERROR            TLS1_AD_DECRYPT_ERROR
1499 #define SSL_AD_EXPORT_RESTRICTION       TLS1_AD_EXPORT_RESTRICTION/* fatal */
1500 #define SSL_AD_PROTOCOL_VERSION         TLS1_AD_PROTOCOL_VERSION /* fatal */
1501 #define SSL_AD_INSUFFICIENT_SECURITY    TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1502 #define SSL_AD_INTERNAL_ERROR           TLS1_AD_INTERNAL_ERROR  /* fatal */
1503 #define SSL_AD_USER_CANCELLED           TLS1_AD_USER_CANCELLED
1504 #define SSL_AD_NO_RENEGOTIATION         TLS1_AD_NO_RENEGOTIATION
1505 #define SSL_AD_UNSUPPORTED_EXTENSION    TLS1_AD_UNSUPPORTED_EXTENSION
1506 #define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1507 #define SSL_AD_UNRECOGNIZED_NAME        TLS1_AD_UNRECOGNIZED_NAME
1508 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1509 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1510 #define SSL_AD_UNKNOWN_PSK_IDENTITY     TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
1511 
1512 #define SSL_ERROR_NONE                  0
1513 #define SSL_ERROR_SSL                   1
1514 #define SSL_ERROR_WANT_READ             2
1515 #define SSL_ERROR_WANT_WRITE            3
1516 #define SSL_ERROR_WANT_X509_LOOKUP      4
1517 #define SSL_ERROR_SYSCALL               5 /* look at error stack/return value/errno */
1518 #define SSL_ERROR_ZERO_RETURN           6
1519 #define SSL_ERROR_WANT_CONNECT          7
1520 #define SSL_ERROR_WANT_ACCEPT           8
1521 
1522 #define SSL_CTRL_NEED_TMP_RSA                   1
1523 #define SSL_CTRL_SET_TMP_RSA                    2
1524 #define SSL_CTRL_SET_TMP_DH                     3
1525 #define SSL_CTRL_SET_TMP_ECDH                   4
1526 #define SSL_CTRL_SET_TMP_RSA_CB                 5
1527 #define SSL_CTRL_SET_TMP_DH_CB                  6
1528 #define SSL_CTRL_SET_TMP_ECDH_CB                7
1529 
1530 #define SSL_CTRL_GET_SESSION_REUSED             8
1531 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST        9
1532 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS         10
1533 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS       11
1534 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS       12
1535 #define SSL_CTRL_GET_FLAGS                      13
1536 #define SSL_CTRL_EXTRA_CHAIN_CERT               14
1537 
1538 #define SSL_CTRL_SET_MSG_CALLBACK               15
1539 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1540 
1541 /* only applies to datagram connections */
1542 #define SSL_CTRL_SET_MTU                17
1543 /* Stats */
1544 #define SSL_CTRL_SESS_NUMBER                    20
1545 #define SSL_CTRL_SESS_CONNECT                   21
1546 #define SSL_CTRL_SESS_CONNECT_GOOD              22
1547 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE       23
1548 #define SSL_CTRL_SESS_ACCEPT                    24
1549 #define SSL_CTRL_SESS_ACCEPT_GOOD               25
1550 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE        26
1551 #define SSL_CTRL_SESS_HIT                       27
1552 #define SSL_CTRL_SESS_CB_HIT                    28
1553 #define SSL_CTRL_SESS_MISSES                    29
1554 #define SSL_CTRL_SESS_TIMEOUTS                  30
1555 #define SSL_CTRL_SESS_CACHE_FULL                31
1556 #define SSL_CTRL_OPTIONS                        32
1557 #define SSL_CTRL_MODE                           33
1558 
1559 #define SSL_CTRL_GET_READ_AHEAD                 40
1560 #define SSL_CTRL_SET_READ_AHEAD                 41
1561 #define SSL_CTRL_SET_SESS_CACHE_SIZE            42
1562 #define SSL_CTRL_GET_SESS_CACHE_SIZE            43
1563 #define SSL_CTRL_SET_SESS_CACHE_MODE            44
1564 #define SSL_CTRL_GET_SESS_CACHE_MODE            45
1565 
1566 #define SSL_CTRL_GET_MAX_CERT_LIST              50
1567 #define SSL_CTRL_SET_MAX_CERT_LIST              51
1568 
1569 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT          52
1570 
1571 /* see tls1.h for macros based on these */
1572 #ifndef OPENSSL_NO_TLSEXT
1573 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB       53
1574 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG      54
1575 #define SSL_CTRL_SET_TLSEXT_HOSTNAME            55
1576 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB            56
1577 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG           57
1578 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS         58
1579 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS         59
1580 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT    60
1581 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61
1582 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62
1583 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB       63
1584 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG   64
1585 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE     65
1586 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS     66
1587 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS     67
1588 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS      68
1589 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS      69
1590 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP        70
1591 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP        71
1592 
1593 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB       72
1594 
1595 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB    75
1596 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB                76
1597 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB             77
1598 
1599 #define SSL_CTRL_SET_SRP_ARG            78
1600 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME               79
1601 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH               80
1602 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD               81
1603 #ifndef OPENSSL_NO_HEARTBEATS
1604 #define SSL_CTRL_TLS_EXT_SEND_HEARTBEAT                         85
1605 #define SSL_CTRL_GET_TLS_EXT_HEARTBEAT_PENDING          86
1606 #define SSL_CTRL_SET_TLS_EXT_HEARTBEAT_NO_REQUESTS      87
1607 #endif
1608 #endif
1609 
1610 #define DTLS_CTRL_GET_TIMEOUT           73
1611 #define DTLS_CTRL_HANDLE_TIMEOUT        74
1612 #define DTLS_CTRL_LISTEN                        75
1613 
1614 #define SSL_CTRL_GET_RI_SUPPORT                 76
1615 #define SSL_CTRL_CLEAR_OPTIONS                  77
1616 #define SSL_CTRL_CLEAR_MODE                     78
1617 
1618 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS          82
1619 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS        83
1620 
1621 #define DTLSv1_get_timeout(ssl, arg) \
1622         SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1623 #define DTLSv1_handle_timeout(ssl) \
1624         SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1625 #define DTLSv1_listen(ssl, peer) \
1626         SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1627 
1628 #define SSL_session_reused(ssl) \
1629         SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1630 #define SSL_num_renegotiations(ssl) \
1631         SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1632 #define SSL_clear_num_renegotiations(ssl) \
1633         SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1634 #define SSL_total_renegotiations(ssl) \
1635         SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1636 
1637 #define SSL_CTX_need_tmp_RSA(ctx) \
1638         SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1639 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1640         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1641 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1642         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1643 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1644         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1645 
1646 #define SSL_need_tmp_RSA(ssl) \
1647         SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1648 #define SSL_set_tmp_rsa(ssl,rsa) \
1649         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1650 #define SSL_set_tmp_dh(ssl,dh) \
1651         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1652 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1653         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1654 
1655 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1656         SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1657 #define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1658         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1659 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1660         SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1661 
1662 #ifndef OPENSSL_NO_BIO
1663 BIO_METHOD *BIO_f_ssl(void);
1664 BIO *BIO_new_ssl(SSL_CTX *ctx,int client);
1665 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1666 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1667 int BIO_ssl_copy_session_id(BIO *to,BIO *from);
1668 void BIO_ssl_shutdown(BIO *ssl_bio);
1669 
1670 #endif
1671 
1672 int     SSL_CTX_set_cipher_list(SSL_CTX *,const char *str);
1673 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1674 void    SSL_CTX_free(SSL_CTX *);
1675 long SSL_CTX_set_timeout(SSL_CTX *ctx,long t);
1676 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1677 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1678 void SSL_CTX_set_cert_store(SSL_CTX *,X509_STORE *);
1679 int SSL_want(const SSL *s);
1680 int     SSL_clear(SSL *s);
1681 
1682 void    SSL_CTX_flush_sessions(SSL_CTX *ctx,long tm);
1683 
1684 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1685 int     SSL_CIPHER_get_bits(const SSL_CIPHER *c,int *alg_bits);
1686 char *  SSL_CIPHER_get_version(const SSL_CIPHER *c);
1687 const char *    SSL_CIPHER_get_name(const SSL_CIPHER *c);
1688 unsigned long   SSL_CIPHER_get_id(const SSL_CIPHER *c);
1689 
1690 int     SSL_get_fd(const SSL *s);
1691 int     SSL_get_rfd(const SSL *s);
1692 int     SSL_get_wfd(const SSL *s);
1693 const char  * SSL_get_cipher_list(const SSL *s,int n);
1694 char *  SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1695 int     SSL_get_read_ahead(const SSL * s);
1696 int     SSL_pending(const SSL *s);
1697 #ifndef OPENSSL_NO_SOCK
1698 int     SSL_set_fd(SSL *s, int fd);
1699 int     SSL_set_rfd(SSL *s, int fd);
1700 int     SSL_set_wfd(SSL *s, int fd);
1701 #endif
1702 #ifndef OPENSSL_NO_BIO
1703 void    SSL_set_bio(SSL *s, BIO *rbio,BIO *wbio);
1704 BIO *   SSL_get_rbio(const SSL *s);
1705 BIO *   SSL_get_wbio(const SSL *s);
1706 #endif
1707 int     SSL_set_cipher_list(SSL *s, const char *str);
1708 void    SSL_set_read_ahead(SSL *s, int yes);
1709 int     SSL_get_verify_mode(const SSL *s);
1710 int     SSL_get_verify_depth(const SSL *s);
1711 int     (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *);
1712 void    SSL_set_verify(SSL *s, int mode,
1713                        int (*callback)(int ok,X509_STORE_CTX *ctx));
1714 void    SSL_set_verify_depth(SSL *s, int depth);
1715 #ifndef OPENSSL_NO_RSA
1716 int     SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1717 #endif
1718 int     SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
1719 int     SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1720 int     SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, const unsigned char *d, long len);
1721 int     SSL_use_certificate(SSL *ssl, X509 *x);
1722 int     SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1723 
1724 #ifndef OPENSSL_NO_STDIO
1725 int     SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1726 int     SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1727 int     SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1728 int     SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1729 int     SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1730 int     SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1731 int     SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1732 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1733 int     SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1734                                             const char *file);
1735 #ifndef OPENSSL_SYS_VMS
1736 #ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! [was: #ifndef MAC_OS_pre_X] */
1737 int     SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1738                                            const char *dir);
1739 #endif
1740 #endif
1741 
1742 #endif
1743 
1744 void    SSL_load_error_strings(void );
1745 const char *SSL_state_string(const SSL *s);
1746 const char *SSL_rstate_string(const SSL *s);
1747 const char *SSL_state_string_long(const SSL *s);
1748 const char *SSL_rstate_string_long(const SSL *s);
1749 long    SSL_SESSION_get_time(const SSL_SESSION *s);
1750 long    SSL_SESSION_set_time(SSL_SESSION *s, long t);
1751 long    SSL_SESSION_get_timeout(const SSL_SESSION *s);
1752 long    SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1753 void    SSL_copy_session_id(SSL *to,const SSL *from);
1754 X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1755 int SSL_SESSION_set1_id_context(SSL_SESSION *s,const unsigned char *sid_ctx,
1756                                unsigned int sid_ctx_len);
1757 
1758 SSL_SESSION *SSL_SESSION_new(void);
1759 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1760                                         unsigned int *len);
1761 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1762 #ifndef OPENSSL_NO_FP_API
1763 int     SSL_SESSION_print_fp(FILE *fp,const SSL_SESSION *ses);
1764 #endif
1765 #ifndef OPENSSL_NO_BIO
1766 int     SSL_SESSION_print(BIO *fp,const SSL_SESSION *ses);
1767 #endif
1768 void    SSL_SESSION_free(SSL_SESSION *ses);
1769 int     i2d_SSL_SESSION(SSL_SESSION *in,unsigned char **pp);
1770 int     SSL_set_session(SSL *to, SSL_SESSION *session);
1771 int     SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1772 int     SSL_CTX_remove_session(SSL_CTX *,SSL_SESSION *c);
1773 int     SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1774 int     SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1775 int     SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1776                                         unsigned int id_len);
1777 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a,const unsigned char **pp,
1778                              long length);
1779 
1780 #ifdef HEADER_X509_H
1781 X509 *  SSL_get_peer_certificate(const SSL *s);
1782 #endif
1783 
1784 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1785 
1786 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1787 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1788 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *);
1789 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
1790                         int (*callback)(int, X509_STORE_CTX *));
1791 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
1792 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg);
1793 #ifndef OPENSSL_NO_RSA
1794 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1795 #endif
1796 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1797 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1798 int SSL_CTX_use_PrivateKey_ASN1(int pk,SSL_CTX *ctx,
1799         const unsigned char *d, long len);
1800 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1801 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1802 
1803 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1804 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1805 
1806 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1807 int SSL_check_private_key(const SSL *ctx);
1808 
1809 int     SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
1810                                        unsigned int sid_ctx_len);
1811 
1812 SSL *   SSL_new(SSL_CTX *ctx);
1813 int     SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
1814                                    unsigned int sid_ctx_len);
1815 
1816 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1817 int SSL_set_purpose(SSL *s, int purpose);
1818 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1819 int SSL_set_trust(SSL *s, int trust);
1820 
1821 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1822 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1823 
1824 #ifndef OPENSSL_NO_SRP
1825 int SSL_CTX_set_srp_username(SSL_CTX *ctx,char *name);
1826 int SSL_CTX_set_srp_password(SSL_CTX *ctx,char *password);
1827 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1828 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1829                                         char *(*cb)(SSL *,void *));
1830 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1831                                           int (*cb)(SSL *,void *));
1832 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1833                                       int (*cb)(SSL *,int *,void *));
1834 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1835 
1836 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1837                              BIGNUM *sa, BIGNUM *v, char *info);
1838 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1839                                 const char *grp);
1840 
1841 BIGNUM *SSL_get_srp_g(SSL *s);
1842 BIGNUM *SSL_get_srp_N(SSL *s);
1843 
1844 char *SSL_get_srp_username(SSL *s);
1845 char *SSL_get_srp_userinfo(SSL *s);
1846 #endif
1847 
1848 void    SSL_free(SSL *ssl);
1849 int     SSL_accept(SSL *ssl);
1850 int     SSL_connect(SSL *ssl);
1851 int     SSL_read(SSL *ssl,void *buf,int num);
1852 int     SSL_peek(SSL *ssl,void *buf,int num);
1853 int     SSL_write(SSL *ssl,const void *buf,int num);
1854 long    SSL_ctrl(SSL *ssl,int cmd, long larg, void *parg);
1855 long    SSL_callback_ctrl(SSL *, int, void (*)(void));
1856 long    SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, void *parg);
1857 long    SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1858 
1859 int     SSL_get_error(const SSL *s,int ret_code);
1860 const char *SSL_get_version(const SSL *s);
1861 
1862 /* This sets the 'default' SSL version that SSL_new() will create */
1863 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1864 
1865 #ifndef OPENSSL_NO_SSL2
1866 const SSL_METHOD *SSLv2_method(void);           /* SSLv2 */
1867 const SSL_METHOD *SSLv2_server_method(void);    /* SSLv2 */
1868 const SSL_METHOD *SSLv2_client_method(void);    /* SSLv2 */
1869 #endif
1870 
1871 const SSL_METHOD *SSLv3_method(void);           /* SSLv3 */
1872 const SSL_METHOD *SSLv3_server_method(void);    /* SSLv3 */
1873 const SSL_METHOD *SSLv3_client_method(void);    /* SSLv3 */
1874 
1875 const SSL_METHOD *SSLv23_method(void);  /* SSLv3 but can rollback to v2 */
1876 const SSL_METHOD *SSLv23_server_method(void);   /* SSLv3 but can rollback to v2 */
1877 const SSL_METHOD *SSLv23_client_method(void);   /* SSLv3 but can rollback to v2 */
1878 
1879 const SSL_METHOD *TLSv1_method(void);           /* TLSv1.0 */
1880 const SSL_METHOD *TLSv1_server_method(void);    /* TLSv1.0 */
1881 const SSL_METHOD *TLSv1_client_method(void);    /* TLSv1.0 */
1882 
1883 const SSL_METHOD *TLSv1_1_method(void);         /* TLSv1.1 */
1884 const SSL_METHOD *TLSv1_1_server_method(void);  /* TLSv1.1 */
1885 const SSL_METHOD *TLSv1_1_client_method(void);  /* TLSv1.1 */
1886 
1887 const SSL_METHOD *TLSv1_2_method(void);         /* TLSv1.2 */
1888 const SSL_METHOD *TLSv1_2_server_method(void);  /* TLSv1.2 */
1889 const SSL_METHOD *TLSv1_2_client_method(void);  /* TLSv1.2 */
1890 
1891 
1892 const SSL_METHOD *DTLSv1_method(void);          /* DTLSv1.0 */
1893 const SSL_METHOD *DTLSv1_server_method(void);   /* DTLSv1.0 */
1894 const SSL_METHOD *DTLSv1_client_method(void);   /* DTLSv1.0 */
1895 
1896 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1897 
1898 int SSL_do_handshake(SSL *s);
1899 int SSL_renegotiate(SSL *s);
1900 int SSL_renegotiate_abbreviated(SSL *s);
1901 int SSL_renegotiate_pending(SSL *s);
1902 int SSL_shutdown(SSL *s);
1903 
1904 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1905 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1906 const char *SSL_alert_type_string_long(int value);
1907 const char *SSL_alert_type_string(int value);
1908 const char *SSL_alert_desc_string_long(int value);
1909 const char *SSL_alert_desc_string(int value);
1910 
1911 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1912 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1913 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1914 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1915 int SSL_add_client_CA(SSL *ssl,X509 *x);
1916 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
1917 
1918 void SSL_set_connect_state(SSL *s);
1919 void SSL_set_accept_state(SSL *s);
1920 
1921 long SSL_get_default_timeout(const SSL *s);
1922 
1923 int SSL_library_init(void );
1924 
1925 char *SSL_CIPHER_description(const SSL_CIPHER *,char *buf,int size);
1926 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
1927 
1928 SSL *SSL_dup(SSL *ssl);
1929 
1930 X509 *SSL_get_certificate(const SSL *ssl);
1931 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(SSL *ssl);
1932 
1933 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1934 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1935 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1936 int SSL_get_quiet_shutdown(const SSL *ssl);
1937 void SSL_set_shutdown(SSL *ssl,int mode);
1938 int SSL_get_shutdown(const SSL *ssl);
1939 int SSL_version(const SSL *ssl);
1940 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1941 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1942         const char *CApath);
1943 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1944 SSL_SESSION *SSL_get_session(const SSL *ssl);
1945 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1946 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1947 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1948 void SSL_set_info_callback(SSL *ssl,
1949                            void (*cb)(const SSL *ssl,int type,int val));
1950 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl,int type,int val);
1951 int SSL_state(const SSL *ssl);
1952 void SSL_set_state(SSL *ssl, int state);
1953 
1954 void SSL_set_verify_result(SSL *ssl,long v);
1955 long SSL_get_verify_result(const SSL *ssl);
1956 
1957 int SSL_set_ex_data(SSL *ssl,int idx,void *data);
1958 void *SSL_get_ex_data(const SSL *ssl,int idx);
1959 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1960         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1961 
1962 int SSL_SESSION_set_ex_data(SSL_SESSION *ss,int idx,void *data);
1963 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss,int idx);
1964 int SSL_SESSION_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1965         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1966 
1967 int SSL_CTX_set_ex_data(SSL_CTX *ssl,int idx,void *data);
1968 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl,int idx);
1969 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1970         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1971 
1972 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1973 
1974 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1975         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1976 #define SSL_CTX_sess_get_cache_size(ctx) \
1977         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1978 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1979         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1980 #define SSL_CTX_get_session_cache_mode(ctx) \
1981         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1982 
1983 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1984 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1985 #define SSL_CTX_get_read_ahead(ctx) \
1986         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1987 #define SSL_CTX_set_read_ahead(ctx,m) \
1988         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1989 #define SSL_CTX_get_max_cert_list(ctx) \
1990         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1991 #define SSL_CTX_set_max_cert_list(ctx,m) \
1992         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1993 #define SSL_get_max_cert_list(ssl) \
1994         SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1995 #define SSL_set_max_cert_list(ssl,m) \
1996         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1997 
1998 #define SSL_CTX_set_max_send_fragment(ctx,m) \
1999         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2000 #define SSL_set_max_send_fragment(ssl,m) \
2001         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2002 
2003      /* NB: the keylength is only applicable when is_export is true */
2004 #ifndef OPENSSL_NO_RSA
2005 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
2006                                   RSA *(*cb)(SSL *ssl,int is_export,
2007                                              int keylength));
2008 
2009 void SSL_set_tmp_rsa_callback(SSL *ssl,
2010                                   RSA *(*cb)(SSL *ssl,int is_export,
2011                                              int keylength));
2012 #endif
2013 #ifndef OPENSSL_NO_DH
2014 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2015                                  DH *(*dh)(SSL *ssl,int is_export,
2016                                            int keylength));
2017 void SSL_set_tmp_dh_callback(SSL *ssl,
2018                                  DH *(*dh)(SSL *ssl,int is_export,
2019                                            int keylength));
2020 #endif
2021 #ifndef OPENSSL_NO_ECDH
2022 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
2023                                  EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2024                                            int keylength));
2025 void SSL_set_tmp_ecdh_callback(SSL *ssl,
2026                                  EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2027                                            int keylength));
2028 #endif
2029 
2030 #ifndef OPENSSL_NO_COMP
2031 const COMP_METHOD *SSL_get_current_compression(SSL *s);
2032 const COMP_METHOD *SSL_get_current_expansion(SSL *s);
2033 const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2034 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2035 int SSL_COMP_add_compression_method(int id,COMP_METHOD *cm);
2036 #else
2037 const void *SSL_get_current_compression(SSL *s);
2038 const void *SSL_get_current_expansion(SSL *s);
2039 const char *SSL_COMP_get_name(const void *comp);
2040 void *SSL_COMP_get_compression_methods(void);
2041 int SSL_COMP_add_compression_method(int id,void *cm);
2042 #endif
2043 
2044 /* TLS extensions functions */
2045 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2046 
2047 int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
2048                                   void *arg);
2049 
2050 /* Pre-shared secret session resumption functions */
2051 int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
2052 
2053 void SSL_set_debug(SSL *s, int debug);
2054 int SSL_cache_hit(SSL *s);
2055 
2056 /* BEGIN ERROR CODES */
2057 /* The following lines are auto generated by the script mkerr.pl. Any changes
2058  * made after this point may be overwritten when the script is next run.
2059  */
2060 void ERR_load_SSL_strings(void);
2061 
2062 /* Error codes for the SSL functions. */
2063 
2064 /* Function codes. */
2065 #define SSL_F_CLIENT_CERTIFICATE                         100
2066 #define SSL_F_CLIENT_FINISHED                            167
2067 #define SSL_F_CLIENT_HELLO                               101
2068 #define SSL_F_CLIENT_MASTER_KEY                          102
2069 #define SSL_F_D2I_SSL_SESSION                            103
2070 #define SSL_F_DO_DTLS1_WRITE                             245
2071 #define SSL_F_DO_SSL3_WRITE                              104
2072 #define SSL_F_DTLS1_ACCEPT                               246
2073 #define SSL_F_DTLS1_ADD_CERT_TO_BUF                      295
2074 #define SSL_F_DTLS1_BUFFER_RECORD                        247
2075 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM                    316
2076 #define SSL_F_DTLS1_CLIENT_HELLO                         248
2077 #define SSL_F_DTLS1_CONNECT                              249
2078 #define SSL_F_DTLS1_ENC                                  250
2079 #define SSL_F_DTLS1_GET_HELLO_VERIFY                     251
2080 #define SSL_F_DTLS1_GET_MESSAGE                          252
2081 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT                 253
2082 #define SSL_F_DTLS1_GET_RECORD                           254
2083 #define SSL_F_DTLS1_HANDLE_TIMEOUT                       297
2084 #define SSL_F_DTLS1_HEARTBEAT                            305
2085 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN                    255
2086 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT                  288
2087 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE           256
2088 #define SSL_F_DTLS1_PROCESS_RECORD                       257
2089 #define SSL_F_DTLS1_READ_BYTES                           258
2090 #define SSL_F_DTLS1_READ_FAILED                          259
2091 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST             260
2092 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE              261
2093 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE             262
2094 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY                   263
2095 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST            264
2096 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE              265
2097 #define SSL_F_DTLS1_SEND_SERVER_HELLO                    266
2098 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE             267
2099 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES                 268
2100 #define SSL_F_GET_CLIENT_FINISHED                        105
2101 #define SSL_F_GET_CLIENT_HELLO                           106
2102 #define SSL_F_GET_CLIENT_MASTER_KEY                      107
2103 #define SSL_F_GET_SERVER_FINISHED                        108
2104 #define SSL_F_GET_SERVER_HELLO                           109
2105 #define SSL_F_GET_SERVER_VERIFY                          110
2106 #define SSL_F_I2D_SSL_SESSION                            111
2107 #define SSL_F_READ_N                                     112
2108 #define SSL_F_REQUEST_CERTIFICATE                        113
2109 #define SSL_F_SERVER_FINISH                              239
2110 #define SSL_F_SERVER_HELLO                               114
2111 #define SSL_F_SERVER_VERIFY                              240
2112 #define SSL_F_SSL23_ACCEPT                               115
2113 #define SSL_F_SSL23_CLIENT_HELLO                         116
2114 #define SSL_F_SSL23_CONNECT                              117
2115 #define SSL_F_SSL23_GET_CLIENT_HELLO                     118
2116 #define SSL_F_SSL23_GET_SERVER_HELLO                     119
2117 #define SSL_F_SSL23_PEEK                                 237
2118 #define SSL_F_SSL23_READ                                 120
2119 #define SSL_F_SSL23_WRITE                                121
2120 #define SSL_F_SSL2_ACCEPT                                122
2121 #define SSL_F_SSL2_CONNECT                               123
2122 #define SSL_F_SSL2_ENC_INIT                              124
2123 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL                 241
2124 #define SSL_F_SSL2_PEEK                                  234
2125 #define SSL_F_SSL2_READ                                  125
2126 #define SSL_F_SSL2_READ_INTERNAL                         236
2127 #define SSL_F_SSL2_SET_CERTIFICATE                       126
2128 #define SSL_F_SSL2_WRITE                                 127
2129 #define SSL_F_SSL3_ACCEPT                                128
2130 #define SSL_F_SSL3_ADD_CERT_TO_BUF                       296
2131 #define SSL_F_SSL3_CALLBACK_CTRL                         233
2132 #define SSL_F_SSL3_CHANGE_CIPHER_STATE                   129
2133 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM              130
2134 #define SSL_F_SSL3_CHECK_CLIENT_HELLO                    304
2135 #define SSL_F_SSL3_CLIENT_HELLO                          131
2136 #define SSL_F_SSL3_CONNECT                               132
2137 #define SSL_F_SSL3_CTRL                                  213
2138 #define SSL_F_SSL3_CTX_CTRL                              133
2139 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS                 293
2140 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC                 292
2141 #define SSL_F_SSL3_ENC                                   134
2142 #define SSL_F_SSL3_GENERATE_KEY_BLOCK                    238
2143 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST               135
2144 #define SSL_F_SSL3_GET_CERT_STATUS                       289
2145 #define SSL_F_SSL3_GET_CERT_VERIFY                       136
2146 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE                137
2147 #define SSL_F_SSL3_GET_CLIENT_HELLO                      138
2148 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE               139
2149 #define SSL_F_SSL3_GET_FINISHED                          140
2150 #define SSL_F_SSL3_GET_KEY_EXCHANGE                      141
2151 #define SSL_F_SSL3_GET_MESSAGE                           142
2152 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET                283
2153 #define SSL_F_SSL3_GET_NEXT_PROTO                        306
2154 #define SSL_F_SSL3_GET_RECORD                            143
2155 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE                144
2156 #define SSL_F_SSL3_GET_SERVER_DONE                       145
2157 #define SSL_F_SSL3_GET_SERVER_HELLO                      146
2158 #define SSL_F_SSL3_HANDSHAKE_MAC                         285
2159 #define SSL_F_SSL3_NEW_SESSION_TICKET                    287
2160 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN                     147
2161 #define SSL_F_SSL3_PEEK                                  235
2162 #define SSL_F_SSL3_READ_BYTES                            148
2163 #define SSL_F_SSL3_READ_N                                149
2164 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST              150
2165 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE               151
2166 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE              152
2167 #define SSL_F_SSL3_SEND_CLIENT_VERIFY                    153
2168 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE               154
2169 #define SSL_F_SSL3_SEND_SERVER_HELLO                     242
2170 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE              155
2171 #define SSL_F_SSL3_SETUP_KEY_BLOCK                       157
2172 #define SSL_F_SSL3_SETUP_READ_BUFFER                     156
2173 #define SSL_F_SSL3_SETUP_WRITE_BUFFER                    291
2174 #define SSL_F_SSL3_WRITE_BYTES                           158
2175 #define SSL_F_SSL3_WRITE_PENDING                         159
2176 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT        298
2177 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT                 277
2178 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT           307
2179 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK         215
2180 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK        216
2181 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT        299
2182 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT                 278
2183 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT           308
2184 #define SSL_F_SSL_BAD_METHOD                             160
2185 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST                   161
2186 #define SSL_F_SSL_CERT_DUP                               221
2187 #define SSL_F_SSL_CERT_INST                              222
2188 #define SSL_F_SSL_CERT_INSTANTIATE                       214
2189 #define SSL_F_SSL_CERT_NEW                               162
2190 #define SSL_F_SSL_CHECK_PRIVATE_KEY                      163
2191 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT               280
2192 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG            279
2193 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR                 230
2194 #define SSL_F_SSL_CIPHER_STRENGTH_SORT                   231
2195 #define SSL_F_SSL_CLEAR                                  164
2196 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD            165
2197 #define SSL_F_SSL_CREATE_CIPHER_LIST                     166
2198 #define SSL_F_SSL_CTRL                                   232
2199 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY                  168
2200 #define SSL_F_SSL_CTX_MAKE_PROFILES                      309
2201 #define SSL_F_SSL_CTX_NEW                                169
2202 #define SSL_F_SSL_CTX_SET_CIPHER_LIST                    269
2203 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE             290
2204 #define SSL_F_SSL_CTX_SET_PURPOSE                        226
2205 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT             219
2206 #define SSL_F_SSL_CTX_SET_SSL_VERSION                    170
2207 #define SSL_F_SSL_CTX_SET_TRUST                          229
2208 #define SSL_F_SSL_CTX_USE_CERTIFICATE                    171
2209 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1               172
2210 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE         220
2211 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE               173
2212 #define SSL_F_SSL_CTX_USE_PRIVATEKEY                     174
2213 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1                175
2214 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE                176
2215 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT              272
2216 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY                  177
2217 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1             178
2218 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE             179
2219 #define SSL_F_SSL_DO_HANDSHAKE                           180
2220 #define SSL_F_SSL_GET_NEW_SESSION                        181
2221 #define SSL_F_SSL_GET_PREV_SESSION                       217
2222 #define SSL_F_SSL_GET_SERVER_SEND_CERT                   182
2223 #define SSL_F_SSL_GET_SERVER_SEND_PKEY                   317
2224 #define SSL_F_SSL_GET_SIGN_PKEY                          183
2225 #define SSL_F_SSL_INIT_WBIO_BUFFER                       184
2226 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE                    185
2227 #define SSL_F_SSL_NEW                                    186
2228 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT      300
2229 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT               302
2230 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT         310
2231 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT      301
2232 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT               303
2233 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT         311
2234 #define SSL_F_SSL_PEEK                                   270
2235 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT             281
2236 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT             282
2237 #define SSL_F_SSL_READ                                   223
2238 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT                    187
2239 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT                     188
2240 #define SSL_F_SSL_SESSION_NEW                            189
2241 #define SSL_F_SSL_SESSION_PRINT_FP                       190
2242 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT                312
2243 #define SSL_F_SSL_SESS_CERT_NEW                          225
2244 #define SSL_F_SSL_SET_CERT                               191
2245 #define SSL_F_SSL_SET_CIPHER_LIST                        271
2246 #define SSL_F_SSL_SET_FD                                 192
2247 #define SSL_F_SSL_SET_PKEY                               193
2248 #define SSL_F_SSL_SET_PURPOSE                            227
2249 #define SSL_F_SSL_SET_RFD                                194
2250 #define SSL_F_SSL_SET_SESSION                            195
2251 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT                 218
2252 #define SSL_F_SSL_SET_SESSION_TICKET_EXT                 294
2253 #define SSL_F_SSL_SET_TRUST                              228
2254 #define SSL_F_SSL_SET_WFD                                196
2255 #define SSL_F_SSL_SHUTDOWN                               224
2256 #define SSL_F_SSL_SRP_CTX_INIT                           313
2257 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION               243
2258 #define SSL_F_SSL_UNDEFINED_FUNCTION                     197
2259 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION                244
2260 #define SSL_F_SSL_USE_CERTIFICATE                        198
2261 #define SSL_F_SSL_USE_CERTIFICATE_ASN1                   199
2262 #define SSL_F_SSL_USE_CERTIFICATE_FILE                   200
2263 #define SSL_F_SSL_USE_PRIVATEKEY                         201
2264 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1                    202
2265 #define SSL_F_SSL_USE_PRIVATEKEY_FILE                    203
2266 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT                  273
2267 #define SSL_F_SSL_USE_RSAPRIVATEKEY                      204
2268 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1                 205
2269 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE                 206
2270 #define SSL_F_SSL_VERIFY_CERT_CHAIN                      207
2271 #define SSL_F_SSL_WRITE                                  208
2272 #define SSL_F_TLS1_CERT_VERIFY_MAC                       286
2273 #define SSL_F_TLS1_CHANGE_CIPHER_STATE                   209
2274 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT              274
2275 #define SSL_F_TLS1_ENC                                   210
2276 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL                314
2277 #define SSL_F_TLS1_HEARTBEAT                             315
2278 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT            275
2279 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT            276
2280 #define SSL_F_TLS1_PRF                                   284
2281 #define SSL_F_TLS1_SETUP_KEY_BLOCK                       211
2282 #define SSL_F_WRITE_PENDING                              212
2283 
2284 /* Reason codes. */
2285 #define SSL_R_APP_DATA_IN_HANDSHAKE                      100
2286 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
2287 #define SSL_R_BAD_ALERT_RECORD                           101
2288 #define SSL_R_BAD_AUTHENTICATION_TYPE                    102
2289 #define SSL_R_BAD_CHANGE_CIPHER_SPEC                     103
2290 #define SSL_R_BAD_CHECKSUM                               104
2291 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK              106
2292 #define SSL_R_BAD_DECOMPRESSION                          107
2293 #define SSL_R_BAD_DH_G_LENGTH                            108
2294 #define SSL_R_BAD_DH_PUB_KEY_LENGTH                      109
2295 #define SSL_R_BAD_DH_P_LENGTH                            110
2296 #define SSL_R_BAD_DIGEST_LENGTH                          111
2297 #define SSL_R_BAD_DSA_SIGNATURE                          112
2298 #define SSL_R_BAD_ECC_CERT                               304
2299 #define SSL_R_BAD_ECDSA_SIGNATURE                        305
2300 #define SSL_R_BAD_ECPOINT                                306
2301 #define SSL_R_BAD_HANDSHAKE_LENGTH                       332
2302 #define SSL_R_BAD_HELLO_REQUEST                          105
2303 #define SSL_R_BAD_LENGTH                                 271
2304 #define SSL_R_BAD_MAC_DECODE                             113
2305 #define SSL_R_BAD_MAC_LENGTH                             333
2306 #define SSL_R_BAD_MESSAGE_TYPE                           114
2307 #define SSL_R_BAD_PACKET_LENGTH                          115
2308 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER                116
2309 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH               316
2310 #define SSL_R_BAD_RESPONSE_ARGUMENT                      117
2311 #define SSL_R_BAD_RSA_DECRYPT                            118
2312 #define SSL_R_BAD_RSA_ENCRYPT                            119
2313 #define SSL_R_BAD_RSA_E_LENGTH                           120
2314 #define SSL_R_BAD_RSA_MODULUS_LENGTH                     121
2315 #define SSL_R_BAD_RSA_SIGNATURE                          122
2316 #define SSL_R_BAD_SIGNATURE                              123
2317 #define SSL_R_BAD_SRP_A_LENGTH                           347
2318 #define SSL_R_BAD_SRP_B_LENGTH                           348
2319 #define SSL_R_BAD_SRP_G_LENGTH                           349
2320 #define SSL_R_BAD_SRP_N_LENGTH                           350
2321 #define SSL_R_BAD_SRP_S_LENGTH                           351
2322 #define SSL_R_BAD_SRTP_MKI_VALUE                         352
2323 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST           353
2324 #define SSL_R_BAD_SSL_FILETYPE                           124
2325 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH                  125
2326 #define SSL_R_BAD_STATE                                  126
2327 #define SSL_R_BAD_WRITE_RETRY                            127
2328 #define SSL_R_BIO_NOT_SET                                128
2329 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG                  129
2330 #define SSL_R_BN_LIB                                     130
2331 #define SSL_R_CA_DN_LENGTH_MISMATCH                      131
2332 #define SSL_R_CA_DN_TOO_LONG                             132
2333 #define SSL_R_CCS_RECEIVED_EARLY                         133
2334 #define SSL_R_CERTIFICATE_VERIFY_FAILED                  134
2335 #define SSL_R_CERT_LENGTH_MISMATCH                       135
2336 #define SSL_R_CHALLENGE_IS_DIFFERENT                     136
2337 #define SSL_R_CIPHER_CODE_WRONG_LENGTH                   137
2338 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE                 138
2339 #define SSL_R_CIPHER_TABLE_SRC_ERROR                     139
2340 #define SSL_R_CLIENTHELLO_TLSEXT                         226
2341 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG                 140
2342 #define SSL_R_COMPRESSION_DISABLED                       343
2343 #define SSL_R_COMPRESSION_FAILURE                        141
2344 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE    307
2345 #define SSL_R_COMPRESSION_LIBRARY_ERROR                  142
2346 #define SSL_R_CONNECTION_ID_IS_DIFFERENT                 143
2347 #define SSL_R_CONNECTION_TYPE_NOT_SET                    144
2348 #define SSL_R_COOKIE_MISMATCH                            308
2349 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED              145
2350 #define SSL_R_DATA_LENGTH_TOO_LONG                       146
2351 #define SSL_R_DECRYPTION_FAILED                          147
2352 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC        281
2353 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG            148
2354 #define SSL_R_DIGEST_CHECK_FAILED                        149
2355 #define SSL_R_DTLS_MESSAGE_TOO_BIG                       334
2356 #define SSL_R_DUPLICATE_COMPRESSION_ID                   309
2357 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT             317
2358 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING                   318
2359 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE         322
2360 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE        323
2361 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER               310
2362 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST         354
2363 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG                  150
2364 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY               282
2365 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST              151
2366 #define SSL_R_EXCESSIVE_MESSAGE_SIZE                     152
2367 #define SSL_R_EXTRA_DATA_IN_MESSAGE                      153
2368 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS                     154
2369 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS                355
2370 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION           356
2371 #define SSL_R_HTTPS_PROXY_REQUEST                        155
2372 #define SSL_R_HTTP_REQUEST                               156
2373 #define SSL_R_ILLEGAL_PADDING                            283
2374 #define SSL_R_INCONSISTENT_COMPRESSION                   340
2375 #define SSL_R_INVALID_CHALLENGE_LENGTH                   158
2376 #define SSL_R_INVALID_COMMAND                            280
2377 #define SSL_R_INVALID_COMPRESSION_ALGORITHM              341
2378 #define SSL_R_INVALID_PURPOSE                            278
2379 #define SSL_R_INVALID_SRP_USERNAME                       357
2380 #define SSL_R_INVALID_STATUS_RESPONSE                    328
2381 #define SSL_R_INVALID_TICKET_KEYS_LENGTH                 325
2382 #define SSL_R_INVALID_TRUST                              279
2383 #define SSL_R_KEY_ARG_TOO_LONG                           284
2384 #define SSL_R_KRB5                                       285
2385 #define SSL_R_KRB5_C_CC_PRINC                            286
2386 #define SSL_R_KRB5_C_GET_CRED                            287
2387 #define SSL_R_KRB5_C_INIT                                288
2388 #define SSL_R_KRB5_C_MK_REQ                              289
2389 #define SSL_R_KRB5_S_BAD_TICKET                          290
2390 #define SSL_R_KRB5_S_INIT                                291
2391 #define SSL_R_KRB5_S_RD_REQ                              292
2392 #define SSL_R_KRB5_S_TKT_EXPIRED                         293
2393 #define SSL_R_KRB5_S_TKT_NYV                             294
2394 #define SSL_R_KRB5_S_TKT_SKEW                            295
2395 #define SSL_R_LENGTH_MISMATCH                            159
2396 #define SSL_R_LENGTH_TOO_SHORT                           160
2397 #define SSL_R_LIBRARY_BUG                                274
2398 #define SSL_R_LIBRARY_HAS_NO_CIPHERS                     161
2399 #define SSL_R_MESSAGE_TOO_LONG                           296
2400 #define SSL_R_MISSING_DH_DSA_CERT                        162
2401 #define SSL_R_MISSING_DH_KEY                             163
2402 #define SSL_R_MISSING_DH_RSA_CERT                        164
2403 #define SSL_R_MISSING_DSA_SIGNING_CERT                   165
2404 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY                  166
2405 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY                 167
2406 #define SSL_R_MISSING_RSA_CERTIFICATE                    168
2407 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT                169
2408 #define SSL_R_MISSING_RSA_SIGNING_CERT                   170
2409 #define SSL_R_MISSING_SRP_PARAM                          358
2410 #define SSL_R_MISSING_TMP_DH_KEY                         171
2411 #define SSL_R_MISSING_TMP_ECDH_KEY                       311
2412 #define SSL_R_MISSING_TMP_RSA_KEY                        172
2413 #define SSL_R_MISSING_TMP_RSA_PKEY                       173
2414 #define SSL_R_MISSING_VERIFY_MESSAGE                     174
2415 #define SSL_R_MULTIPLE_SGC_RESTARTS                      346
2416 #define SSL_R_NON_SSLV2_INITIAL_PACKET                   175
2417 #define SSL_R_NO_CERTIFICATES_RETURNED                   176
2418 #define SSL_R_NO_CERTIFICATE_ASSIGNED                    177
2419 #define SSL_R_NO_CERTIFICATE_RETURNED                    178
2420 #define SSL_R_NO_CERTIFICATE_SET                         179
2421 #define SSL_R_NO_CERTIFICATE_SPECIFIED                   180
2422 #define SSL_R_NO_CIPHERS_AVAILABLE                       181
2423 #define SSL_R_NO_CIPHERS_PASSED                          182
2424 #define SSL_R_NO_CIPHERS_SPECIFIED                       183
2425 #define SSL_R_NO_CIPHER_LIST                             184
2426 #define SSL_R_NO_CIPHER_MATCH                            185
2427 #define SSL_R_NO_CLIENT_CERT_METHOD                      331
2428 #define SSL_R_NO_CLIENT_CERT_RECEIVED                    186
2429 #define SSL_R_NO_COMPRESSION_SPECIFIED                   187
2430 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER           330
2431 #define SSL_R_NO_METHOD_SPECIFIED                        188
2432 #define SSL_R_NO_PRIVATEKEY                              189
2433 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED                    190
2434 #define SSL_R_NO_PROTOCOLS_AVAILABLE                     191
2435 #define SSL_R_NO_PUBLICKEY                               192
2436 #define SSL_R_NO_RENEGOTIATION                           339
2437 #define SSL_R_NO_REQUIRED_DIGEST                         324
2438 #define SSL_R_NO_SHARED_CIPHER                           193
2439 #define SSL_R_NO_SRTP_PROFILES                           359
2440 #define SSL_R_NO_VERIFY_CALLBACK                         194
2441 #define SSL_R_NULL_SSL_CTX                               195
2442 #define SSL_R_NULL_SSL_METHOD_PASSED                     196
2443 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED            197
2444 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2445 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE              297
2446 #define SSL_R_OPAQUE_PRF_INPUT_TOO_LONG                  327
2447 #define SSL_R_PACKET_LENGTH_TOO_LONG                     198
2448 #define SSL_R_PARSE_TLSEXT                               227
2449 #define SSL_R_PATH_TOO_LONG                              270
2450 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE          199
2451 #define SSL_R_PEER_ERROR                                 200
2452 #define SSL_R_PEER_ERROR_CERTIFICATE                     201
2453 #define SSL_R_PEER_ERROR_NO_CERTIFICATE                  202
2454 #define SSL_R_PEER_ERROR_NO_CIPHER                       203
2455 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE    204
2456 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG                    205
2457 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS          206
2458 #define SSL_R_PROTOCOL_IS_SHUTDOWN                       207
2459 #define SSL_R_PSK_IDENTITY_NOT_FOUND                     223
2460 #define SSL_R_PSK_NO_CLIENT_CB                           224
2461 #define SSL_R_PSK_NO_SERVER_CB                           225
2462 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR                   208
2463 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA                      209
2464 #define SSL_R_PUBLIC_KEY_NOT_RSA                         210
2465 #define SSL_R_READ_BIO_NOT_SET                           211
2466 #define SSL_R_READ_TIMEOUT_EXPIRED                       312
2467 #define SSL_R_READ_WRONG_PACKET_TYPE                     212
2468 #define SSL_R_RECORD_LENGTH_MISMATCH                     213
2469 #define SSL_R_RECORD_TOO_LARGE                           214
2470 #define SSL_R_RECORD_TOO_SMALL                           298
2471 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG                   335
2472 #define SSL_R_RENEGOTIATION_ENCODING_ERR                 336
2473 #define SSL_R_RENEGOTIATION_MISMATCH                     337
2474 #define SSL_R_REQUIRED_CIPHER_MISSING                    215
2475 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING    342
2476 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO                 216
2477 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO                   217
2478 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO                 218
2479 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING           345
2480 #define SSL_R_SERVERHELLO_TLSEXT                         275
2481 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED           277
2482 #define SSL_R_SHORT_READ                                 219
2483 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR                 360
2484 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE      220
2485 #define SSL_R_SRP_A_CALC                                 361
2486 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES           362
2487 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG      363
2488 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE            364
2489 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE               221
2490 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG                299
2491 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT             321
2492 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME                319
2493 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE           320
2494 #define SSL_R_SSL3_SESSION_ID_TOO_LONG                   300
2495 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT                  222
2496 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE                1042
2497 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC                 1020
2498 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED            1045
2499 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED            1044
2500 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN            1046
2501 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE          1030
2502 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE              1040
2503 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER              1047
2504 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE                 1041
2505 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE             1010
2506 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE        1043
2507 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION         228
2508 #define SSL_R_SSL_HANDSHAKE_FAILURE                      229
2509 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS                 230
2510 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED             301
2511 #define SSL_R_SSL_SESSION_ID_CONFLICT                    302
2512 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG            273
2513 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH              303
2514 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT                231
2515 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED                  1049
2516 #define SSL_R_TLSV1_ALERT_DECODE_ERROR                   1050
2517 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED              1021
2518 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR                  1051
2519 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION             1060
2520 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY          1071
2521 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR                 1080
2522 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION               1100
2523 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION               1070
2524 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW                1022
2525 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA                     1048
2526 #define SSL_R_TLSV1_ALERT_USER_CANCELLED                 1090
2527 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE           1114
2528 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE      1113
2529 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE             1111
2530 #define SSL_R_TLSV1_UNRECOGNIZED_NAME                    1112
2531 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION                1110
2532 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER       232
2533 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT           365
2534 #define SSL_R_TLS_HEARTBEAT_PENDING                      366
2535 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL                 367
2536 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST             157
2537 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2538 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG    234
2539 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER            235
2540 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS                  236
2541 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS                313
2542 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY               237
2543 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS               238
2544 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS             314
2545 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS       239
2546 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD                  240
2547 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES           241
2548 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES           242
2549 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES          243
2550 #define SSL_R_UNEXPECTED_MESSAGE                         244
2551 #define SSL_R_UNEXPECTED_RECORD                          245
2552 #define SSL_R_UNINITIALIZED                              276
2553 #define SSL_R_UNKNOWN_ALERT_TYPE                         246
2554 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE                   247
2555 #define SSL_R_UNKNOWN_CIPHER_RETURNED                    248
2556 #define SSL_R_UNKNOWN_CIPHER_TYPE                        249
2557 #define SSL_R_UNKNOWN_DIGEST                             368
2558 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE                  250
2559 #define SSL_R_UNKNOWN_PKEY_TYPE                          251
2560 #define SSL_R_UNKNOWN_PROTOCOL                           252
2561 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE                  253
2562 #define SSL_R_UNKNOWN_SSL_VERSION                        254
2563 #define SSL_R_UNKNOWN_STATE                              255
2564 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED       338
2565 #define SSL_R_UNSUPPORTED_CIPHER                         256
2566 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM          257
2567 #define SSL_R_UNSUPPORTED_DIGEST_TYPE                    326
2568 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE                 315
2569 #define SSL_R_UNSUPPORTED_PROTOCOL                       258
2570 #define SSL_R_UNSUPPORTED_SSL_VERSION                    259
2571 #define SSL_R_UNSUPPORTED_STATUS_TYPE                    329
2572 #define SSL_R_USE_SRTP_NOT_NEGOTIATED                    369
2573 #define SSL_R_WRITE_BIO_NOT_SET                          260
2574 #define SSL_R_WRONG_CIPHER_RETURNED                      261
2575 #define SSL_R_WRONG_MESSAGE_TYPE                         262
2576 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS                   263
2577 #define SSL_R_WRONG_SIGNATURE_LENGTH                     264
2578 #define SSL_R_WRONG_SIGNATURE_SIZE                       265
2579 #define SSL_R_WRONG_SIGNATURE_TYPE                       370
2580 #define SSL_R_WRONG_SSL_VERSION                          266
2581 #define SSL_R_WRONG_VERSION_NUMBER                       267
2582 #define SSL_R_X509_LIB                                   268
2583 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS           269
2584 
2585 #ifdef  __cplusplus
2586 }
2587 #endif
2588 #endif