lib/libssl/ssl.h

   1 /* $OpenBSD: ssl.h,v 1.154 2018/03/20 15:28:12 tb Exp $ */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * 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 <stdint.h>
 147
 148 #include <openssl/opensslconf.h>
 149 #include <openssl/hmac.h>
 150 #include <openssl/pem.h>
 151 #include <openssl/safestack.h>
 152
 153 #include <openssl/bio.h>
 154
 155 #ifndef OPENSSL_NO_DEPRECATED
 156 #include <openssl/buffer.h>
 157 #include <openssl/crypto.h>
 158 #include <openssl/lhash.h>
 159
 160 #ifndef OPENSSL_NO_X509
 161 #include <openssl/x509.h>
 162 #endif
 163 #endif
 164
 165 #ifdef  __cplusplus
 166 extern "C" {
 167 #endif
 168
 169 /* SSLeay version number for ASN.1 encoding of the session information */
 170 /* Version 0 - initial version
 171  * Version 1 - added the optional peer certificate
 172  */
 173 #define SSL_SESSION_ASN1_VERSION 0x0001
 174
 175 /* text strings for the ciphers */
 176 #define SSL_TXT_NULL_WITH_MD5           SSL2_TXT_NULL_WITH_MD5
 177 #define SSL_TXT_RC4_128_WITH_MD5        SSL2_TXT_RC4_128_WITH_MD5
 178 #define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5
 179 #define SSL_TXT_RC2_128_CBC_WITH_MD5    SSL2_TXT_RC2_128_CBC_WITH_MD5
 180 #define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5
 181 #define SSL_TXT_IDEA_128_CBC_WITH_MD5   SSL2_TXT_IDEA_128_CBC_WITH_MD5
 182 #define SSL_TXT_DES_64_CBC_WITH_MD5     SSL2_TXT_DES_64_CBC_WITH_MD5
 183 #define SSL_TXT_DES_64_CBC_WITH_SHA     SSL2_TXT_DES_64_CBC_WITH_SHA
 184 #define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5
 185 #define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA
 186
 187 /*    VRS Additional Kerberos5 entries
 188  */
 189 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
 190 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
 191 #define SSL_TXT_KRB5_RC4_128_SHA      SSL3_TXT_KRB5_RC4_128_SHA
 192 #define SSL_TXT_KRB5_IDEA_128_CBC_SHA SSL3_TXT_KRB5_IDEA_128_CBC_SHA
 193 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
 194 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
 195 #define SSL_TXT_KRB5_RC4_128_MD5      SSL3_TXT_KRB5_RC4_128_MD5
 196 #define SSL_TXT_KRB5_IDEA_128_CBC_MD5 SSL3_TXT_KRB5_IDEA_128_CBC_MD5
 197
 198 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
 199 #define SSL_TXT_KRB5_RC2_40_CBC_SHA   SSL3_TXT_KRB5_RC2_40_CBC_SHA
 200 #define SSL_TXT_KRB5_RC4_40_SHA       SSL3_TXT_KRB5_RC4_40_SHA
 201 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
 202 #define SSL_TXT_KRB5_RC2_40_CBC_MD5   SSL3_TXT_KRB5_RC2_40_CBC_MD5
 203 #define SSL_TXT_KRB5_RC4_40_MD5       SSL3_TXT_KRB5_RC4_40_MD5
 204
 205 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
 206 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
 207 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
 208 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
 209 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
 210 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
 211 #define SSL_MAX_KRB5_PRINCIPAL_LENGTH  256
 212
 213 #define SSL_MAX_SSL_SESSION_ID_LENGTH           32
 214 #define SSL_MAX_SID_CTX_LENGTH                  32
 215
 216 #define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES     (512/8)
 217 #define SSL_MAX_KEY_ARG_LENGTH                  8
 218 #define SSL_MAX_MASTER_KEY_LENGTH               48
 219
 220
 221 /* These are used to specify which ciphers to use and not to use */
 222
 223 #define SSL_TXT_LOW             "LOW"
 224 #define SSL_TXT_MEDIUM          "MEDIUM"
 225 #define SSL_TXT_HIGH            "HIGH"
 226
 227 #define SSL_TXT_kFZA            "kFZA" /* unused! */
 228 #define SSL_TXT_aFZA            "aFZA" /* unused! */
 229 #define SSL_TXT_eFZA            "eFZA" /* unused! */
 230 #define SSL_TXT_FZA             "FZA"  /* unused! */
 231
 232 #define SSL_TXT_aNULL           "aNULL"
 233 #define SSL_TXT_eNULL           "eNULL"
 234 #define SSL_TXT_NULL            "NULL"
 235
 236 #define SSL_TXT_kRSA            "kRSA"
 237 #define SSL_TXT_kDHr            "kDHr" /* no such ciphersuites supported! */
 238 #define SSL_TXT_kDHd            "kDHd" /* no such ciphersuites supported! */
 239 #define SSL_TXT_kDH             "kDH"  /* no such ciphersuites supported! */
 240 #define SSL_TXT_kEDH            "kEDH"
 241 #define SSL_TXT_kKRB5           "kKRB5"
 242 #define SSL_TXT_kECDHr          "kECDHr"
 243 #define SSL_TXT_kECDHe          "kECDHe"
 244 #define SSL_TXT_kECDH           "kECDH"
 245 #define SSL_TXT_kEECDH          "kEECDH"
 246 #define SSL_TXT_kPSK            "kPSK"
 247 #define SSL_TXT_kGOST           "kGOST"
 248 #define SSL_TXT_kSRP            "kSRP"
 249
 250 #define SSL_TXT_aRSA            "aRSA"
 251 #define SSL_TXT_aDSS            "aDSS"
 252 #define SSL_TXT_aDH             "aDH" /* no such ciphersuites supported! */
 253 #define SSL_TXT_aECDH           "aECDH"
 254 #define SSL_TXT_aKRB5           "aKRB5"
 255 #define SSL_TXT_aECDSA          "aECDSA"
 256 #define SSL_TXT_aPSK            "aPSK"
 257 #define SSL_TXT_aGOST94         "aGOST94"
 258 #define SSL_TXT_aGOST01         "aGOST01"
 259 #define SSL_TXT_aGOST           "aGOST"
 260
 261 #define SSL_TXT_DSS             "DSS"
 262 #define SSL_TXT_DH              "DH"
 263 #define SSL_TXT_DHE             "DHE" /* same as "kDHE:-ADH" */
 264 #define SSL_TXT_EDH             "EDH" /* previous name for DHE */
 265 #define SSL_TXT_ADH             "ADH"
 266 #define SSL_TXT_RSA             "RSA"
 267 #define SSL_TXT_ECDH            "ECDH"
 268 #define SSL_TXT_ECDHE           "ECDHE" /* same as "kECDHE:-AECDH" */
 269 #define SSL_TXT_EECDH           "EECDH" /* previous name for ECDHE */
 270 #define SSL_TXT_AECDH           "AECDH"
 271 #define SSL_TXT_ECDSA           "ECDSA"
 272 #define SSL_TXT_KRB5            "KRB5"
 273 #define SSL_TXT_PSK             "PSK"
 274 #define SSL_TXT_SRP             "SRP"
 275
 276 #define SSL_TXT_DES             "DES"
 277 #define SSL_TXT_3DES            "3DES"
 278 #define SSL_TXT_RC4             "RC4"
 279 #define SSL_TXT_RC2             "RC2"
 280 #define SSL_TXT_IDEA            "IDEA"
 281 #define SSL_TXT_SEED            "SEED"
 282 #define SSL_TXT_AES128          "AES128"
 283 #define SSL_TXT_AES256          "AES256"
 284 #define SSL_TXT_AES             "AES"
 285 #define SSL_TXT_AES_GCM         "AESGCM"
 286 #define SSL_TXT_CAMELLIA128     "CAMELLIA128"
 287 #define SSL_TXT_CAMELLIA256     "CAMELLIA256"
 288 #define SSL_TXT_CAMELLIA        "CAMELLIA"
 289 #define SSL_TXT_CHACHA20        "CHACHA20"
 290
 291 #define SSL_TXT_AEAD            "AEAD"
 292 #define SSL_TXT_MD5             "MD5"
 293 #define SSL_TXT_SHA1            "SHA1"
 294 #define SSL_TXT_SHA             "SHA" /* same as "SHA1" */
 295 #define SSL_TXT_GOST94          "GOST94"
 296 #define SSL_TXT_GOST89MAC               "GOST89MAC"
 297 #define SSL_TXT_SHA256          "SHA256"
 298 #define SSL_TXT_SHA384          "SHA384"
 299 #define SSL_TXT_STREEBOG256             "STREEBOG256"
 300 #define SSL_TXT_STREEBOG512             "STREEBOG512"
 301
 302 #define SSL_TXT_DTLS1           "DTLSv1"
 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
 347 #define SSL_FILETYPE_ASN1       X509_FILETYPE_ASN1
 348 #define SSL_FILETYPE_PEM        X509_FILETYPE_PEM
 349
 350 /* This is needed to stop compilers complaining about the
 351  * 'struct ssl_st *' function parameters used to prototype callbacks
 352  * in SSL_CTX. */
 353 typedef struct ssl_st *ssl_crock_st;
 354
 355 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
 356 typedef struct ssl_method_st SSL_METHOD;
 357 typedef struct ssl_cipher_st SSL_CIPHER;
 358 typedef struct ssl_session_st SSL_SESSION;
 359
 360 DECLARE_STACK_OF(SSL_CIPHER)
 361
 362 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
 363 typedef struct srtp_protection_profile_st {
 364         const char *name;
 365         unsigned long id;
 366 } SRTP_PROTECTION_PROFILE;
 367
 368 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
 369
 370 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
 371     int len, void *arg);
 372 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
 373     STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
 374
 375 #ifndef OPENSSL_NO_SSL_INTERN
 376
 377 /* used to hold info on the particular ciphers used */
 378 struct ssl_cipher_st {
 379         int valid;
 380         const char *name;               /* text name */
 381         unsigned long id;               /* id, 4 bytes, first is version */
 382
 383         unsigned long algorithm_mkey;   /* key exchange algorithm */
 384         unsigned long algorithm_auth;   /* server authentication */
 385         unsigned long algorithm_enc;    /* symmetric encryption */
 386         unsigned long algorithm_mac;    /* symmetric authentication */
 387         unsigned long algorithm_ssl;    /* (major) protocol version */
 388
 389         unsigned long algo_strength;    /* strength and export flags */
 390         unsigned long algorithm2;       /* Extra flags */
 391         int strength_bits;              /* Number of bits really used */
 392         int alg_bits;                   /* Number of bits for algorithm */
 393 };
 394
 395
 396 /* Used to hold functions for SSLv3/TLSv1 functions */
 397 struct ssl_method_internal_st;
 398
 399 struct ssl_method_st {
 400         int (*ssl_dispatch_alert)(SSL *s);
 401         int (*num_ciphers)(void);
 402         const SSL_CIPHER *(*get_cipher)(unsigned ncipher);
 403         const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
 404         int (*put_cipher_by_char)(const SSL_CIPHER *cipher, unsigned char *ptr);
 405
 406         const struct ssl_method_internal_st *internal;
 407 };
 408
 409 /* Lets make this into an ASN.1 type structure as follows
 410  * SSL_SESSION_ID ::= SEQUENCE {
 411  *      version                 INTEGER,        -- structure version number
 412  *      SSLversion              INTEGER,        -- SSL version number
 413  *      Cipher                  OCTET STRING,   -- the 3 byte cipher ID
 414  *      Session_ID              OCTET STRING,   -- the Session ID
 415  *      Master_key              OCTET STRING,   -- the master key
 416  *      KRB5_principal          OCTET STRING    -- optional Kerberos principal
 417  *      Time [ 1 ] EXPLICIT     INTEGER,        -- optional Start Time
 418  *      Timeout [ 2 ] EXPLICIT  INTEGER,        -- optional Timeout ins seconds
 419  *      Peer [ 3 ] EXPLICIT     X509,           -- optional Peer Certificate
 420  *      Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
 421  *      Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
 422  *      HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension
 423  *      PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
 424  *      PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
 425  *      Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
 426  *      Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
 427  *      Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
 428  *      SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
 429  *      }
 430  * Look in ssl/ssl_asn1.c for more details
 431  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
 432  */
 433 struct ssl_session_internal_st;
 434
 435 struct ssl_session_st {
 436         int ssl_version;        /* what ssl version session info is
 437                                  * being kept in here? */
 438
 439         int master_key_length;
 440         unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
 441
 442         /* session_id - valid? */
 443         unsigned int session_id_length;
 444         unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
 445
 446         /* this is used to determine whether the session is being reused in
 447          * the appropriate context. It is up to the application to set this,
 448          * via SSL_new */
 449         unsigned int sid_ctx_length;
 450         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
 451
 452         /* This is the cert for the other end. */
 453         X509 *peer;
 454
 455         /* when app_verify_callback accepts a session where the peer's certificate
 456          * is not ok, we must remember the error for session reuse: */
 457         long verify_result; /* only for servers */
 458
 459         long timeout;
 460         time_t time;
 461         int references;
 462
 463         const SSL_CIPHER *cipher;
 464         unsigned long cipher_id;        /* when ASN.1 loaded, this
 465                                          * needs to be used to load
 466                                          * the 'cipher' structure */
 467
 468         STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
 469
 470         char *tlsext_hostname;
 471
 472         /* RFC4507 info */
 473         unsigned char *tlsext_tick;     /* Session ticket */
 474         size_t tlsext_ticklen;          /* Session ticket length */
 475         long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
 476
 477         struct ssl_session_internal_st *internal;
 478 };
 479
 480 #endif
 481
 482 /* Allow initial connection to servers that don't support RI */
 483 #define SSL_OP_LEGACY_SERVER_CONNECT                    0x00000004L
 484
 485 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
 486  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
 487  * the workaround is not needed.
 488  * Unfortunately some broken SSL/TLS implementations cannot handle it
 489  * at all, which is why it was previously included in SSL_OP_ALL.
 490  * Now it's not.
 491  */
 492 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800L
 493
 494 /* DTLS options */
 495 #define SSL_OP_NO_QUERY_MTU                             0x00001000L
 496 /* Turn on Cookie Exchange (on relevant for servers) */
 497 #define SSL_OP_COOKIE_EXCHANGE                          0x00002000L
 498 /* Don't use RFC4507 ticket extension */
 499 #define SSL_OP_NO_TICKET                                0x00004000L
 500
 501 /* As server, disallow session resumption on renegotiation */
 502 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION   0x00010000L
 503 /* Disallow client initiated renegotiation. */
 504 #define SSL_OP_NO_CLIENT_RENEGOTIATION                  0x00020000L
 505 /* If set, always create a new key when using tmp_dh parameters */
 506 #define SSL_OP_SINGLE_DH_USE                            0x00100000L
 507 /* Set on servers to choose the cipher according to the server's
 508  * preferences */
 509 #define SSL_OP_CIPHER_SERVER_PREFERENCE                 0x00400000L
 510 /* If set, a server will allow a client to issue a SSLv3.0 version number
 511  * as latest version supported in the premaster secret, even when TLSv1.0
 512  * (version 3.1) was announced in the client hello. Normally this is
 513  * forbidden to prevent version rollback attacks. */
 514 #define SSL_OP_TLS_ROLLBACK_BUG                         0x00800000L
 515
 516 #define SSL_OP_NO_TLSv1                                 0x04000000L
 517 #define SSL_OP_NO_TLSv1_2                               0x08000000L
 518 #define SSL_OP_NO_TLSv1_1                               0x10000000L
 519
 520 /* SSL_OP_ALL: various bug workarounds that should be rather harmless. */
 521 #define SSL_OP_ALL \
 522     (SSL_OP_LEGACY_SERVER_CONNECT)
 523
 524 /* Obsolete flags kept for compatibility. No sane code should use them. */
 525 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION        0x0
 526 #define SSL_OP_CISCO_ANYCONNECT                         0x0
 527 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG                     0x0
 528 #define SSL_OP_EPHEMERAL_RSA                            0x0
 529 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER               0x0
 530 #define SSL_OP_MICROSOFT_SESS_ID_BUG                    0x0
 531 #define SSL_OP_MSIE_SSLV2_RSA_PADDING                   0x0
 532 #define SSL_OP_NETSCAPE_CA_DN_BUG                       0x0
 533 #define SSL_OP_NETSCAPE_CHALLENGE_BUG                   0x0
 534 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG          0x0
 535 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG         0x0
 536 #define SSL_OP_NO_COMPRESSION                           0x0
 537 #define SSL_OP_NO_SSLv2                                 0x0
 538 #define SSL_OP_NO_SSLv3                                 0x0
 539 #define SSL_OP_PKCS1_CHECK_1                            0x0
 540 #define SSL_OP_PKCS1_CHECK_2                            0x0
 541 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG                   0x0
 542 #define SSL_OP_SINGLE_ECDH_USE                          0x0
 543 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG                 0x0
 544 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG              0x0
 545 #define SSL_OP_TLSEXT_PADDING                           0x0
 546 #define SSL_OP_TLS_BLOCK_PADDING_BUG                    0x0
 547 #define SSL_OP_TLS_D5_BUG                               0x0
 548
 549 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
 550  * when just a single record has been written): */
 551 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
 552 /* Make it possible to retry SSL_write() with changed buffer location
 553  * (buffer contents must stay the same!); this is not the default to avoid
 554  * the misconception that non-blocking SSL_write() behaves like
 555  * non-blocking write(): */
 556 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
 557 /* Never bother the application with retries if the transport
 558  * is blocking: */
 559 #define SSL_MODE_AUTO_RETRY 0x00000004L
 560 /* Don't attempt to automatically build certificate chain */
 561 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
 562 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
 563  * TLS only.)  "Released" buffers are put onto a free-list in the context
 564  * or just freed (depending on the context's setting for freelist_max_len). */
 565 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
 566
 567 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
 568  * they cannot be used to clear bits. */
 569
 570 #define SSL_CTX_set_options(ctx,op) \
 571         SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
 572 #define SSL_CTX_clear_options(ctx,op) \
 573         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
 574 #define SSL_CTX_get_options(ctx) \
 575         SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
 576 #define SSL_set_options(ssl,op) \
 577         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
 578 #define SSL_clear_options(ssl,op) \
 579         SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
 580 #define SSL_get_options(ssl) \
 581         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
 582
 583 #define SSL_CTX_set_mode(ctx,op) \
 584         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
 585 #define SSL_CTX_clear_mode(ctx,op) \
 586         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
 587 #define SSL_CTX_get_mode(ctx) \
 588         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
 589 #define SSL_clear_mode(ssl,op) \
 590         SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
 591 #define SSL_set_mode(ssl,op) \
 592         SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
 593 #define SSL_get_mode(ssl) \
 594         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
 595 #define SSL_set_mtu(ssl, mtu) \
 596         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
 597
 598 #define SSL_get_secure_renegotiation_support(ssl) \
 599         SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
 600
 601 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p,
 602     int version, int content_type, const void *buf, size_t len, SSL *ssl,
 603     void *arg));
 604 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version,
 605     int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
 606 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
 607 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
 608
 609 struct ssl_aead_ctx_st;
 610 typedef struct ssl_aead_ctx_st SSL_AEAD_CTX;
 611
 612 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
 613
 614 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT      (1024*20)
 615
 616 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
 617  * them. It is used to override the generation of SSL/TLS session IDs in a
 618  * server. Return value should be zero on an error, non-zero to proceed. Also,
 619  * callbacks should themselves check if the id they generate is unique otherwise
 620  * the SSL handshake will fail with an error - callbacks can do this using the
 621  * 'ssl' value they're passed by;
 622  *      SSL_has_matching_session_id(ssl, id, *id_len)
 623  * The length value passed in is set at the maximum size the session ID can be.
 624  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
 625  * can alter this length to be less if desired, but under SSLv2 session IDs are
 626  * supposed to be fixed at 16 bytes so the id will be padded after the callback
 627  * returns in this case. It is also an error for the callback to set the size to
 628  * zero. */
 629 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
 630     unsigned int *id_len);
 631
 632 typedef struct ssl_comp_st SSL_COMP;
 633
 634 #ifndef OPENSSL_NO_SSL_INTERN
 635
 636 struct ssl_comp_st {
 637         int id;
 638         const char *name;
 639 };
 640
 641 DECLARE_STACK_OF(SSL_COMP)
 642 struct lhash_st_SSL_SESSION {
 643         int dummy;
 644 };
 645
 646 struct ssl_ctx_internal_st;
 647
 648 struct ssl_ctx_st {
 649         const SSL_METHOD *method;
 650
 651         STACK_OF(SSL_CIPHER) *cipher_list;
 652
 653         struct x509_store_st /* X509_STORE */ *cert_store;
 654
 655         /* If timeout is not 0, it is the default timeout value set
 656          * when SSL_new() is called.  This has been put in to make
 657          * life easier to set things up */
 658         long session_timeout;
 659
 660         int references;
 661
 662         /* Default values to use in SSL structures follow (these are copied by SSL_new) */
 663
 664         STACK_OF(X509) *extra_certs;
 665
 666         int verify_mode;
 667         unsigned int sid_ctx_length;
 668         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
 669
 670         X509_VERIFY_PARAM *param;
 671
 672         /*
 673          * XXX
 674          * default_passwd_cb used by python and openvpn, need to keep it until we
 675          * add an accessor
 676          */
 677         /* Default password callback. */
 678         pem_password_cb *default_passwd_callback;
 679
 680         /* Default password callback user data. */
 681         void *default_passwd_callback_userdata;
 682
 683         struct ssl_ctx_internal_st *internal;
 684 };
 685
 686 #endif
 687
 688 #define SSL_SESS_CACHE_OFF                      0x0000
 689 #define SSL_SESS_CACHE_CLIENT                   0x0001
 690 #define SSL_SESS_CACHE_SERVER                   0x0002
 691 #define SSL_SESS_CACHE_BOTH     (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
 692 #define SSL_SESS_CACHE_NO_AUTO_CLEAR            0x0080
 693 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
 694 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP       0x0100
 695 #define SSL_SESS_CACHE_NO_INTERNAL_STORE        0x0200
 696 #define SSL_SESS_CACHE_NO_INTERNAL \
 697         (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
 698
 699 struct lhash_st_SSL_SESSION *SSL_CTX_sessions(SSL_CTX *ctx);
 700 #define SSL_CTX_sess_number(ctx) \
 701         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
 702 #define SSL_CTX_sess_connect(ctx) \
 703         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
 704 #define SSL_CTX_sess_connect_good(ctx) \
 705         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
 706 #define SSL_CTX_sess_connect_renegotiate(ctx) \
 707         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
 708 #define SSL_CTX_sess_accept(ctx) \
 709         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
 710 #define SSL_CTX_sess_accept_renegotiate(ctx) \
 711         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
 712 #define SSL_CTX_sess_accept_good(ctx) \
 713         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
 714 #define SSL_CTX_sess_hits(ctx) \
 715         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
 716 #define SSL_CTX_sess_cb_hits(ctx) \
 717         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
 718 #define SSL_CTX_sess_misses(ctx) \
 719         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
 720 #define SSL_CTX_sess_timeouts(ctx) \
 721         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
 722 #define SSL_CTX_sess_cache_full(ctx) \
 723         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
 724
 725 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
 726     int (*new_session_cb)(struct ssl_st *ssl, SSL_SESSION *sess));
 727 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
 728     SSL_SESSION *sess);
 729 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
 730     void (*remove_session_cb)(struct ssl_ctx_st *ctx, SSL_SESSION *sess));
 731 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx,
 732     SSL_SESSION *sess);
 733 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
 734     SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl, unsigned char *data,
 735     int len, int *copy));
 736 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
 737     unsigned char *Data, int len, int *copy);
 738 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,
 739     int type, int val));
 740 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, int type,
 741     int val);
 742 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
 743     int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
 744 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509,
 745     EVP_PKEY **pkey);
 746 #ifndef OPENSSL_NO_ENGINE
 747 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
 748 #endif
 749 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
 750     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
 751     unsigned int *cookie_len));
 752 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
 753     int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie,
 754     unsigned int cookie_len));
 755 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
 756     const unsigned char **out, unsigned int *outlen, void *arg), void *arg);
 757 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
 758     unsigned char **out, unsigned char *outlen, const unsigned char *in,
 759     unsigned int inlen, void *arg), void *arg);
 760
 761 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
 762     const unsigned char *in, unsigned int inlen, const unsigned char *client,
 763     unsigned int client_len);
 764 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
 765     unsigned *len);
 766
 767 #define OPENSSL_NPN_UNSUPPORTED 0
 768 #define OPENSSL_NPN_NEGOTIATED  1
 769 #define OPENSSL_NPN_NO_OVERLAP  2
 770
 771 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
 772     unsigned int protos_len);
 773 int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
 774     unsigned int protos_len);
 775 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
 776     int (*cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen,
 777     const unsigned char *in, unsigned int inlen, void *arg), void *arg);
 778 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
 779     unsigned int *len);
 780
 781 #define SSL_NOTHING     1
 782 #define SSL_WRITING     2
 783 #define SSL_READING     3
 784 #define SSL_X509_LOOKUP 4
 785
 786 /* These will only be used when doing non-blocking IO */
 787 #define SSL_want_nothing(s)     (SSL_want(s) == SSL_NOTHING)
 788 #define SSL_want_read(s)        (SSL_want(s) == SSL_READING)
 789 #define SSL_want_write(s)       (SSL_want(s) == SSL_WRITING)
 790 #define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
 791
 792 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
 793 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
 794
 795 #ifndef OPENSSL_NO_SSL_INTERN
 796 struct ssl_internal_st;
 797
 798 struct ssl_st {
 799         /* protocol version
 800          * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
 801          */
 802         int version;
 803
 804         const SSL_METHOD *method; /* SSLv3 */
 805
 806         /* There are 2 BIO's even though they are normally both the
 807          * same.  This is so data can be read and written to different
 808          * handlers */
 809
 810         BIO *rbio; /* used by SSL_read */
 811         BIO *wbio; /* used by SSL_write */
 812         BIO *bbio; /* used during session-id reuse to concatenate
 813                     * messages */
 814         int server;     /* are we the server side? - mostly used by SSL_clear*/
 815
 816         struct ssl3_state_st *s3; /* SSLv3 variables */
 817         struct dtls1_state_st *d1; /* DTLSv1 variables */
 818
 819         X509_VERIFY_PARAM *param;
 820
 821         /* crypto */
 822         STACK_OF(SSL_CIPHER) *cipher_list;
 823
 824         /* This is used to hold the server certificate used */
 825         struct cert_st /* CERT */ *cert;
 826
 827         /* the session_id_context is used to ensure sessions are only reused
 828          * in the appropriate context */
 829         unsigned int sid_ctx_length;
 830         unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
 831
 832         /* This can also be in the session once a session is established */
 833         SSL_SESSION *session;
 834
 835         /* Used in SSL2 and SSL3 */
 836         int verify_mode;        /* 0 don't care about verify failure.
 837                                  * 1 fail if verify fails */
 838         int error;              /* error bytes to be written */
 839         int error_code;         /* actual code */
 840
 841         SSL_CTX *ctx;
 842
 843         long verify_result;
 844
 845         int references;
 846
 847         int client_version;     /* what was passed, used for
 848                                  * SSLv3/TLS rollback check */
 849
 850         unsigned int max_send_fragment;
 851
 852         char *tlsext_hostname;
 853
 854         /* certificate status request info */
 855         /* Status type or -1 if no status type */
 856         int tlsext_status_type;
 857
 858         SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
 859 #define session_ctx initial_ctx
 860
 861         /*
 862          * XXX really should be internal, but is
 863          * touched unnaturally by wpa-supplicant
 864          * and freeradius and other perversions
 865          */
 866         EVP_CIPHER_CTX *enc_read_ctx;           /* cryptographic state */
 867         EVP_MD_CTX *read_hash;                  /* used for mac generation */
 868
 869         struct ssl_internal_st *internal;
 870 };
 871
 872 #endif
 873
 874 #ifdef __cplusplus
 875 }
 876 #endif
 877
 878 #include <openssl/ssl2.h>
 879 #include <openssl/ssl3.h>
 880 #include <openssl/tls1.h>       /* This is mostly sslv3 with a few tweaks */
 881 #include <openssl/dtls1.h>      /* Datagram TLS */
 882 #include <openssl/ssl23.h>
 883 #include <openssl/srtp.h>       /* Support for the use_srtp extension */
 884
 885 #ifdef  __cplusplus
 886 extern "C" {
 887 #endif
 888
 889 /* compatibility */
 890 #define SSL_set_app_data(s,arg)         (SSL_set_ex_data(s,0,(char *)arg))
 891 #define SSL_get_app_data(s)             (SSL_get_ex_data(s,0))
 892 #define SSL_SESSION_set_app_data(s,a)   (SSL_SESSION_set_ex_data(s,0,(char *)a))
 893 #define SSL_SESSION_get_app_data(s)     (SSL_SESSION_get_ex_data(s,0))
 894 #define SSL_CTX_get_app_data(ctx)       (SSL_CTX_get_ex_data(ctx,0))
 895 #define SSL_CTX_set_app_data(ctx,arg)   (SSL_CTX_set_ex_data(ctx,0,(char *)arg))
 896
 897 /* The following are the possible values for ssl->state are are
 898  * used to indicate where we are up to in the SSL connection establishment.
 899  * The macros that follow are about the only things you should need to use
 900  * and even then, only when using non-blocking IO.
 901  * It can also be useful to work out where you were when the connection
 902  * failed */
 903
 904 #define SSL_ST_CONNECT                  0x1000
 905 #define SSL_ST_ACCEPT                   0x2000
 906 #define SSL_ST_MASK                     0x0FFF
 907 #define SSL_ST_INIT                     (SSL_ST_CONNECT|SSL_ST_ACCEPT)
 908 #define SSL_ST_BEFORE                   0x4000
 909 #define SSL_ST_OK                       0x03
 910 #define SSL_ST_RENEGOTIATE              (0x04|SSL_ST_INIT)
 911
 912 #define SSL_CB_LOOP                     0x01
 913 #define SSL_CB_EXIT                     0x02
 914 #define SSL_CB_READ                     0x04
 915 #define SSL_CB_WRITE                    0x08
 916 #define SSL_CB_ALERT                    0x4000 /* used in callback */
 917 #define SSL_CB_READ_ALERT               (SSL_CB_ALERT|SSL_CB_READ)
 918 #define SSL_CB_WRITE_ALERT              (SSL_CB_ALERT|SSL_CB_WRITE)
 919 #define SSL_CB_ACCEPT_LOOP              (SSL_ST_ACCEPT|SSL_CB_LOOP)
 920 #define SSL_CB_ACCEPT_EXIT              (SSL_ST_ACCEPT|SSL_CB_EXIT)
 921 #define SSL_CB_CONNECT_LOOP             (SSL_ST_CONNECT|SSL_CB_LOOP)
 922 #define SSL_CB_CONNECT_EXIT             (SSL_ST_CONNECT|SSL_CB_EXIT)
 923 #define SSL_CB_HANDSHAKE_START          0x10
 924 #define SSL_CB_HANDSHAKE_DONE           0x20
 925
 926 /* Is the SSL_connection established? */
 927 #define SSL_get_state(a)                (SSL_state((a)))
 928 #define SSL_is_init_finished(a)         (SSL_state((a)) == SSL_ST_OK)
 929 #define SSL_in_init(a)                  (SSL_state((a))&SSL_ST_INIT)
 930 #define SSL_in_before(a)                (SSL_state((a))&SSL_ST_BEFORE)
 931 #define SSL_in_connect_init(a)          (SSL_state((a))&SSL_ST_CONNECT)
 932 #define SSL_in_accept_init(a)           (SSL_state((a))&SSL_ST_ACCEPT)
 933
 934 /* The following 2 states are kept in ssl->rstate when reads fail,
 935  * you should not need these */
 936 #define SSL_ST_READ_HEADER              0xF0
 937 #define SSL_ST_READ_BODY                0xF1
 938 #define SSL_ST_READ_DONE                0xF2
 939
 940 /* Obtain latest Finished message
 941  *   -- that we sent (SSL_get_finished)
 942  *   -- that we expected from peer (SSL_get_peer_finished).
 943  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
 944 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
 945 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
 946
 947 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
 948  * are 'ored' with SSL_VERIFY_PEER if they are desired */
 949 #define SSL_VERIFY_NONE                 0x00
 950 #define SSL_VERIFY_PEER                 0x01
 951 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
 952 #define SSL_VERIFY_CLIENT_ONCE          0x04
 953
 954 #define OpenSSL_add_ssl_algorithms()    SSL_library_init()
 955 #define SSLeay_add_ssl_algorithms()     SSL_library_init()
 956
 957 /* More backward compatibility */
 958 #define SSL_get_cipher(s) \
 959                 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
 960 #define SSL_get_cipher_bits(s,np) \
 961                 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
 962 #define SSL_get_cipher_version(s) \
 963                 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
 964 #define SSL_get_cipher_name(s) \
 965                 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
 966 #define SSL_get_time(a)         SSL_SESSION_get_time(a)
 967 #define SSL_set_time(a,b)       SSL_SESSION_set_time((a),(b))
 968 #define SSL_get_timeout(a)      SSL_SESSION_get_timeout(a)
 969 #define SSL_set_timeout(a,b)    SSL_SESSION_set_timeout((a),(b))
 970
 971 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
 972 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
 973
 974 SSL_SESSION *PEM_read_bio_SSL_SESSION(BIO *bp, SSL_SESSION **x,
 975     pem_password_cb *cb, void *u);
 976 SSL_SESSION *PEM_read_SSL_SESSION(FILE *fp, SSL_SESSION **x,
 977     pem_password_cb *cb, void *u);
 978 int PEM_write_bio_SSL_SESSION(BIO *bp, SSL_SESSION *x);
 979 int PEM_write_SSL_SESSION(FILE *fp, SSL_SESSION *x);
 980
 981 #define SSL_AD_REASON_OFFSET            1000 /* offset to get SSL_R_... value from SSL_AD_... */
 982
 983 /* These alert types are for SSLv3 and TLSv1 */
 984 #define SSL_AD_CLOSE_NOTIFY             SSL3_AD_CLOSE_NOTIFY
 985 #define SSL_AD_UNEXPECTED_MESSAGE       SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
 986 #define SSL_AD_BAD_RECORD_MAC           SSL3_AD_BAD_RECORD_MAC     /* fatal */
 987 #define SSL_AD_DECRYPTION_FAILED        TLS1_AD_DECRYPTION_FAILED
 988 #define SSL_AD_RECORD_OVERFLOW          TLS1_AD_RECORD_OVERFLOW
 989 #define SSL_AD_DECOMPRESSION_FAILURE    SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
 990 #define SSL_AD_HANDSHAKE_FAILURE        SSL3_AD_HANDSHAKE_FAILURE/* fatal */
 991 #define SSL_AD_NO_CERTIFICATE           SSL3_AD_NO_CERTIFICATE /* Not for TLS */
 992 #define SSL_AD_BAD_CERTIFICATE          SSL3_AD_BAD_CERTIFICATE
 993 #define SSL_AD_UNSUPPORTED_CERTIFICATE  SSL3_AD_UNSUPPORTED_CERTIFICATE
 994 #define SSL_AD_CERTIFICATE_REVOKED      SSL3_AD_CERTIFICATE_REVOKED
 995 #define SSL_AD_CERTIFICATE_EXPIRED      SSL3_AD_CERTIFICATE_EXPIRED
 996 #define SSL_AD_CERTIFICATE_UNKNOWN      SSL3_AD_CERTIFICATE_UNKNOWN
 997 #define SSL_AD_ILLEGAL_PARAMETER        SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
 998 #define SSL_AD_UNKNOWN_CA               TLS1_AD_UNKNOWN_CA      /* fatal */
 999 #define SSL_AD_ACCESS_DENIED            TLS1_AD_ACCESS_DENIED   /* fatal */
1000 #define SSL_AD_DECODE_ERROR             TLS1_AD_DECODE_ERROR    /* fatal */
1001 #define SSL_AD_DECRYPT_ERROR            TLS1_AD_DECRYPT_ERROR
1002 #define SSL_AD_EXPORT_RESTRICTION       TLS1_AD_EXPORT_RESTRICTION/* fatal */
1003 #define SSL_AD_PROTOCOL_VERSION         TLS1_AD_PROTOCOL_VERSION /* fatal */
1004 #define SSL_AD_INSUFFICIENT_SECURITY    TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1005 #define SSL_AD_INTERNAL_ERROR           TLS1_AD_INTERNAL_ERROR  /* fatal */
1006 #define SSL_AD_INAPPROPRIATE_FALLBACK   TLS1_AD_INAPPROPRIATE_FALLBACK /* fatal */
1007 #define SSL_AD_USER_CANCELLED           TLS1_AD_USER_CANCELLED
1008 #define SSL_AD_NO_RENEGOTIATION         TLS1_AD_NO_RENEGOTIATION
1009 #define SSL_AD_UNSUPPORTED_EXTENSION    TLS1_AD_UNSUPPORTED_EXTENSION
1010 #define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1011 #define SSL_AD_UNRECOGNIZED_NAME        TLS1_AD_UNRECOGNIZED_NAME
1012 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1013 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1014 #define SSL_AD_UNKNOWN_PSK_IDENTITY     TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
1015
1016 #define SSL_ERROR_NONE                  0
1017 #define SSL_ERROR_SSL                   1
1018 #define SSL_ERROR_WANT_READ             2
1019 #define SSL_ERROR_WANT_WRITE            3
1020 #define SSL_ERROR_WANT_X509_LOOKUP      4
1021 #define SSL_ERROR_SYSCALL               5 /* look at error stack/return value/errno */
1022 #define SSL_ERROR_ZERO_RETURN           6
1023 #define SSL_ERROR_WANT_CONNECT          7
1024 #define SSL_ERROR_WANT_ACCEPT           8
1025
1026 #define SSL_CTRL_NEED_TMP_RSA                   1
1027 #define SSL_CTRL_SET_TMP_RSA                    2
1028 #define SSL_CTRL_SET_TMP_DH                     3
1029 #define SSL_CTRL_SET_TMP_ECDH                   4
1030 #define SSL_CTRL_SET_TMP_RSA_CB                 5
1031 #define SSL_CTRL_SET_TMP_DH_CB                  6
1032 #define SSL_CTRL_SET_TMP_ECDH_CB                7
1033
1034 #define SSL_CTRL_GET_SESSION_REUSED             8
1035 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST        9
1036 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS         10
1037 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS       11
1038 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS       12
1039 #define SSL_CTRL_GET_FLAGS                      13
1040 #define SSL_CTRL_EXTRA_CHAIN_CERT               14
1041
1042 #define SSL_CTRL_SET_MSG_CALLBACK               15
1043 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1044
1045 /* only applies to datagram connections */
1046 #define SSL_CTRL_SET_MTU                17
1047 /* Stats */
1048 #define SSL_CTRL_SESS_NUMBER                    20
1049 #define SSL_CTRL_SESS_CONNECT                   21
1050 #define SSL_CTRL_SESS_CONNECT_GOOD              22
1051 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE       23
1052 #define SSL_CTRL_SESS_ACCEPT                    24
1053 #define SSL_CTRL_SESS_ACCEPT_GOOD               25
1054 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE        26
1055 #define SSL_CTRL_SESS_HIT                       27
1056 #define SSL_CTRL_SESS_CB_HIT                    28
1057 #define SSL_CTRL_SESS_MISSES                    29
1058 #define SSL_CTRL_SESS_TIMEOUTS                  30
1059 #define SSL_CTRL_SESS_CACHE_FULL                31
1060 #define SSL_CTRL_OPTIONS                        32
1061 #define SSL_CTRL_MODE                           33
1062
1063 #define SSL_CTRL_GET_READ_AHEAD                 40
1064 #define SSL_CTRL_SET_READ_AHEAD                 41
1065 #define SSL_CTRL_SET_SESS_CACHE_SIZE            42
1066 #define SSL_CTRL_GET_SESS_CACHE_SIZE            43
1067 #define SSL_CTRL_SET_SESS_CACHE_MODE            44
1068 #define SSL_CTRL_GET_SESS_CACHE_MODE            45
1069
1070 #define SSL_CTRL_GET_MAX_CERT_LIST              50
1071 #define SSL_CTRL_SET_MAX_CERT_LIST              51
1072
1073 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT          52
1074
1075 /* see tls1.h for macros based on these */
1076 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB       53
1077 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG      54
1078 #define SSL_CTRL_SET_TLSEXT_HOSTNAME            55
1079 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB            56
1080 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG           57
1081 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS         58
1082 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS         59
1083 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB       128
1084 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB       63
1085 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG   129
1086 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG   64
1087 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE     65
1088 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS     66
1089 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS     67
1090 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS      68
1091 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS      69
1092 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP        70
1093 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP        71
1094
1095 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB       72
1096
1097 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB    75
1098 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB                76
1099 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB             77
1100
1101 #define SSL_CTRL_SET_SRP_ARG            78
1102 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME               79
1103 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH               80
1104 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD               81
1105
1106 #define DTLS_CTRL_GET_TIMEOUT           73
1107 #define DTLS_CTRL_HANDLE_TIMEOUT        74
1108 #define DTLS_CTRL_LISTEN                        75
1109
1110 #define SSL_CTRL_GET_RI_SUPPORT                 76
1111 #define SSL_CTRL_CLEAR_OPTIONS                  77
1112 #define SSL_CTRL_CLEAR_MODE                     78
1113
1114 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS          82
1115 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS        83
1116
1117 #define SSL_CTRL_SET_GROUPS                             91
1118 #define SSL_CTRL_SET_GROUPS_LIST                        92
1119
1120 #define SSL_CTRL_SET_ECDH_AUTO                  94
1121
1122 #define SSL_CTRL_GET_SERVER_TMP_KEY             109
1123
1124 #define SSL_CTRL_SET_DH_AUTO                    118
1125
1126 #define SSL_CTRL_SET_MIN_PROTO_VERSION                  123
1127 #define SSL_CTRL_SET_MAX_PROTO_VERSION                  124
1128 #define SSL_CTRL_GET_MIN_PROTO_VERSION                  130
1129 #define SSL_CTRL_GET_MAX_PROTO_VERSION                  131
1130
1131 #define DTLSv1_get_timeout(ssl, arg) \
1132         SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1133 #define DTLSv1_handle_timeout(ssl) \
1134         SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1135 #define DTLSv1_listen(ssl, peer) \
1136         SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1137
1138 #define SSL_session_reused(ssl) \
1139         SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1140 #define SSL_num_renegotiations(ssl) \
1141         SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1142 #define SSL_clear_num_renegotiations(ssl) \
1143         SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1144 #define SSL_total_renegotiations(ssl) \
1145         SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1146
1147 #define SSL_CTX_need_tmp_RSA(ctx) \
1148         SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1149 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1150         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1151 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1152         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1153 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1154         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1155 #define SSL_CTX_set_dh_auto(ctx, onoff) \
1156         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1157 #define SSL_CTX_set_ecdh_auto(ctx, onoff) \
1158         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1159
1160 #define SSL_need_tmp_RSA(ssl) \
1161         SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1162 #define SSL_set_tmp_rsa(ssl,rsa) \
1163         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1164 #define SSL_set_tmp_dh(ssl,dh) \
1165         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1166 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1167         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1168 #define SSL_set_dh_auto(s, onoff) \
1169         SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1170 #define SSL_set_ecdh_auto(s, onoff) \
1171         SSL_ctrl(s,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1172
1173 int SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len);
1174 int SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups);
1175
1176 int SSL_set1_groups(SSL *ssl, const int *groups, size_t groups_len);
1177 int SSL_set1_groups_list(SSL *ssl, const char *groups);
1178
1179 int SSL_CTX_get_min_proto_version(SSL_CTX *ctx);
1180 int SSL_CTX_get_max_proto_version(SSL_CTX *ctx);
1181 int SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version);
1182 int SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version);
1183
1184 int SSL_get_min_proto_version(SSL *ssl);
1185 int SSL_get_max_proto_version(SSL *ssl);
1186 int SSL_set_min_proto_version(SSL *ssl, uint16_t version);
1187 int SSL_set_max_proto_version(SSL *ssl, uint16_t version);
1188
1189 #ifndef LIBRESSL_INTERNAL
1190 #define SSL_CTRL_SET_CURVES                     SSL_CTRL_SET_GROUPS
1191 #define SSL_CTRL_SET_CURVES_LIST                SSL_CTRL_SET_GROUPS_LIST
1192
1193 #define SSL_CTX_set1_curves SSL_CTX_set1_groups
1194 #define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1195 #define SSL_set1_curves SSL_set1_groups
1196 #define SSL_set1_curves_list SSL_set1_groups_list
1197 #endif
1198
1199 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1200         SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1201 #define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1202         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1203 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1204         SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1205
1206 #define SSL_get_server_tmp_key(s, pk) \
1207         SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1208
1209 #ifndef LIBRESSL_INTERNAL
1210 /*
1211  * Also provide those functions as macros for compatibility with
1212  * existing users.
1213  */
1214 #define SSL_CTX_set1_groups             SSL_CTX_set1_groups
1215 #define SSL_CTX_set1_groups_list        SSL_CTX_set1_groups_list
1216 #define SSL_set1_groups                 SSL_set1_groups
1217 #define SSL_set1_groups_list            SSL_set1_groups_list
1218 #define SSL_CTX_get_min_proto_version   SSL_CTX_get_min_proto_version
1219 #define SSL_CTX_get_max_proto_version   SSL_CTX_get_max_proto_version
1220 #define SSL_CTX_set_min_proto_version   SSL_CTX_set_min_proto_version
1221 #define SSL_CTX_set_max_proto_version   SSL_CTX_set_max_proto_version
1222 #define SSL_get_min_proto_version       SSL_get_min_proto_version
1223 #define SSL_get_max_proto_version       SSL_get_max_proto_version
1224 #define SSL_set_min_proto_version       SSL_set_min_proto_version
1225 #define SSL_set_max_proto_version       SSL_set_max_proto_version
1226 #endif
1227
1228 BIO_METHOD *BIO_f_ssl(void);
1229 BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1230 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1231 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1232 int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1233 void BIO_ssl_shutdown(BIO *ssl_bio);
1234
1235 STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1236 int     SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1237 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1238 void    SSL_CTX_free(SSL_CTX *);
1239 int SSL_CTX_up_ref(SSL_CTX *ctx);
1240 long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1241 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1242 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1243 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1244 X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1245 int SSL_want(const SSL *s);
1246 int     SSL_clear(SSL *s);
1247
1248 void    SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1249
1250 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1251 const SSL_CIPHER *SSL_CIPHER_get_by_id(unsigned int id);
1252 const SSL_CIPHER *SSL_CIPHER_get_by_value(uint16_t value);
1253 int     SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1254 char *  SSL_CIPHER_get_version(const SSL_CIPHER *c);
1255 const char *    SSL_CIPHER_get_name(const SSL_CIPHER *c);
1256 unsigned long   SSL_CIPHER_get_id(const SSL_CIPHER *c);
1257 uint16_t SSL_CIPHER_get_value(const SSL_CIPHER *c);
1258 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1259 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1260 int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1261 int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1262 int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1263
1264 int     SSL_get_fd(const SSL *s);
1265 int     SSL_get_rfd(const SSL *s);
1266 int     SSL_get_wfd(const SSL *s);
1267 const char  * SSL_get_cipher_list(const SSL *s, int n);
1268 char *  SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1269 int     SSL_get_read_ahead(const SSL * s);
1270 int     SSL_pending(const SSL *s);
1271 int     SSL_set_fd(SSL *s, int fd);
1272 int     SSL_set_rfd(SSL *s, int fd);
1273 int     SSL_set_wfd(SSL *s, int fd);
1274 void    SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1275 BIO *   SSL_get_rbio(const SSL *s);
1276 BIO *   SSL_get_wbio(const SSL *s);
1277 int     SSL_set_cipher_list(SSL *s, const char *str);
1278 void    SSL_set_read_ahead(SSL *s, int yes);
1279 int     SSL_get_verify_mode(const SSL *s);
1280 int     SSL_get_verify_depth(const SSL *s);
1281 int     (*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *);
1282 void    SSL_set_verify(SSL *s, int mode,
1283             int (*callback)(int ok, X509_STORE_CTX *ctx));
1284 void    SSL_set_verify_depth(SSL *s, int depth);
1285 int     SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1286 int     SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
1287 int     SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1288 int     SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, long len);
1289 int     SSL_use_certificate(SSL *ssl, X509 *x);
1290 int     SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1291
1292 int     SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1293 int     SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1294 int     SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1295 int     SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1296 int     SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1297 int     SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1298 int     SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1299 int     SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len);
1300 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1301 int     SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1302             const char *file);
1303 int     SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1304             const char *dir);
1305
1306 void    SSL_load_error_strings(void );
1307 const char *SSL_state_string(const SSL *s);
1308 const char *SSL_rstate_string(const SSL *s);
1309 const char *SSL_state_string_long(const SSL *s);
1310 const char *SSL_rstate_string_long(const SSL *s);
1311 size_t  SSL_SESSION_get_master_key(const SSL_SESSION *ss,
1312             unsigned char *out, size_t max_out);
1313 int     SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1314 long    SSL_SESSION_get_time(const SSL_SESSION *s);
1315 long    SSL_SESSION_set_time(SSL_SESSION *s, long t);
1316 long    SSL_SESSION_get_timeout(const SSL_SESSION *s);
1317 long    SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1318 void    SSL_copy_session_id(SSL *to, const SSL *from);
1319 X509    *SSL_SESSION_get0_peer(SSL_SESSION *s);
1320 int     SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1321             unsigned int sid_len);
1322 int     SSL_SESSION_set1_id_context(SSL_SESSION *s,
1323             const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1324
1325 SSL_SESSION *SSL_SESSION_new(void);
1326 void    SSL_SESSION_free(SSL_SESSION *ses);
1327 int     SSL_SESSION_up_ref(SSL_SESSION *ss);
1328 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *ss,
1329             unsigned int *len);
1330 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *ss,
1331             unsigned int *len);
1332 unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1333 int     SSL_SESSION_has_ticket(const SSL_SESSION *s);
1334 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *ss);
1335 int     SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1336 int     SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1337 int     i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
1338 int     SSL_set_session(SSL *to, SSL_SESSION *session);
1339 int     SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1340 int     SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c);
1341 int     SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1342 int     SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1343 int     SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1344             unsigned int id_len);
1345 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1346             long length);
1347
1348 #ifdef HEADER_X509_H
1349 X509 *  SSL_get_peer_certificate(const SSL *s);
1350 #endif
1351
1352 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1353
1354 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1355 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1356 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *);
1357 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
1358     int (*callback)(int, X509_STORE_CTX *));
1359 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1360 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *, void *), void *arg);
1361 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1362 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1363 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1364 int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, const unsigned char *d, long len);
1365 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1366 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1367
1368 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1369 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1370 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1371 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1372
1373 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1374 int SSL_check_private_key(const SSL *ctx);
1375
1376 int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1377
1378 int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1379
1380 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1381 int SSL_set_purpose(SSL *s, int purpose);
1382 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1383 int SSL_set_trust(SSL *s, int trust);
1384
1385 X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1386 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1387 X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1388 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1389
1390 SSL *SSL_new(SSL_CTX *ctx);
1391 void    SSL_free(SSL *ssl);
1392 int     SSL_up_ref(SSL *ssl);
1393 int     SSL_accept(SSL *ssl);
1394 int     SSL_connect(SSL *ssl);
1395 int     SSL_is_server(const SSL *s);
1396 int     SSL_read(SSL *ssl, void *buf, int num);
1397 int     SSL_peek(SSL *ssl, void *buf, int num);
1398 int     SSL_write(SSL *ssl, const void *buf, int num);
1399 long    SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1400 long    SSL_callback_ctrl(SSL *, int, void (*)(void));
1401 long    SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1402 long    SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1403
1404 int     SSL_get_error(const SSL *s, int ret_code);
1405 const char *SSL_get_version(const SSL *s);
1406
1407 /* This sets the 'default' SSL version that SSL_new() will create */
1408 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1409
1410 const SSL_METHOD *SSLv23_method(void);          /* SSLv3 or TLSv1.* */
1411 const SSL_METHOD *SSLv23_server_method(void);   /* SSLv3 or TLSv1.* */
1412 const SSL_METHOD *SSLv23_client_method(void);   /* SSLv3 or TLSv1.* */
1413
1414 const SSL_METHOD *TLSv1_method(void);           /* TLSv1.0 */
1415 const SSL_METHOD *TLSv1_server_method(void);    /* TLSv1.0 */
1416 const SSL_METHOD *TLSv1_client_method(void);    /* TLSv1.0 */
1417
1418 const SSL_METHOD *TLSv1_1_method(void);         /* TLSv1.1 */
1419 const SSL_METHOD *TLSv1_1_server_method(void);  /* TLSv1.1 */
1420 const SSL_METHOD *TLSv1_1_client_method(void);  /* TLSv1.1 */
1421
1422 const SSL_METHOD *TLSv1_2_method(void);         /* TLSv1.2 */
1423 const SSL_METHOD *TLSv1_2_server_method(void);  /* TLSv1.2 */
1424 const SSL_METHOD *TLSv1_2_client_method(void);  /* TLSv1.2 */
1425
1426 const SSL_METHOD *TLS_method(void);             /* TLS v1.0 or later */
1427 const SSL_METHOD *TLS_server_method(void);      /* TLS v1.0 or later */
1428 const SSL_METHOD *TLS_client_method(void);      /* TLS v1.0 or later */
1429
1430 const SSL_METHOD *DTLSv1_method(void);          /* DTLSv1.0 */
1431 const SSL_METHOD *DTLSv1_server_method(void);   /* DTLSv1.0 */
1432 const SSL_METHOD *DTLSv1_client_method(void);   /* DTLSv1.0 */
1433
1434 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1435
1436 int SSL_do_handshake(SSL *s);
1437 int SSL_renegotiate(SSL *s);
1438 int SSL_renegotiate_abbreviated(SSL *s);
1439 int SSL_renegotiate_pending(SSL *s);
1440 int SSL_shutdown(SSL *s);
1441
1442 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1443 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1444 const char *SSL_alert_type_string_long(int value);
1445 const char *SSL_alert_type_string(int value);
1446 const char *SSL_alert_desc_string_long(int value);
1447 const char *SSL_alert_desc_string(int value);
1448
1449 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1450 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1451 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1452 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1453 int SSL_add_client_CA(SSL *ssl, X509 *x);
1454 int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1455
1456 void SSL_set_connect_state(SSL *s);
1457 void SSL_set_accept_state(SSL *s);
1458
1459 long SSL_get_default_timeout(const SSL *s);
1460
1461 int SSL_library_init(void );
1462
1463 char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1464 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
1465
1466 SSL *SSL_dup(SSL *ssl);
1467
1468 X509 *SSL_get_certificate(const SSL *ssl);
1469 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(SSL *ssl);
1470
1471 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1472 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1473 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1474 int SSL_get_quiet_shutdown(const SSL *ssl);
1475 void SSL_set_shutdown(SSL *ssl,int mode);
1476 int SSL_get_shutdown(const SSL *ssl);
1477 int SSL_version(const SSL *ssl);
1478 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1479 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1480     const char *CApath);
1481 int SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len);
1482 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1483 SSL_SESSION *SSL_get_session(const SSL *ssl);
1484 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1485 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1486 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1487 void SSL_set_info_callback(SSL *ssl,
1488     void (*cb)(const SSL *ssl, int type, int val));
1489 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val);
1490 int SSL_state(const SSL *ssl);
1491 void SSL_set_state(SSL *ssl, int state);
1492
1493 void SSL_set_verify_result(SSL *ssl, long v);
1494 long SSL_get_verify_result(const SSL *ssl);
1495
1496 int SSL_set_ex_data(SSL *ssl, int idx, void *data);
1497 void *SSL_get_ex_data(const SSL *ssl, int idx);
1498 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1499     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1500
1501 int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
1502 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
1503 int SSL_SESSION_get_ex_new_index(long argl, void *argp,
1504     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
1505     CRYPTO_EX_free *free_func);
1506
1507 int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
1508 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
1509 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1510     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1511
1512 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1513
1514 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1515         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1516 #define SSL_CTX_sess_get_cache_size(ctx) \
1517         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1518 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1519         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1520 #define SSL_CTX_get_session_cache_mode(ctx) \
1521         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1522
1523 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1524 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1525 #define SSL_CTX_get_read_ahead(ctx) \
1526         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1527 #define SSL_CTX_set_read_ahead(ctx,m) \
1528         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1529 #define SSL_CTX_get_max_cert_list(ctx) \
1530         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1531 #define SSL_CTX_set_max_cert_list(ctx,m) \
1532         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1533 #define SSL_get_max_cert_list(ssl) \
1534         SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1535 #define SSL_set_max_cert_list(ssl,m) \
1536         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1537
1538 #define SSL_CTX_set_max_send_fragment(ctx,m) \
1539         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1540 #define SSL_set_max_send_fragment(ssl,m) \
1541         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1542
1543 /* NB: the keylength is only applicable when is_export is true */
1544 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
1545     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1546
1547 void SSL_set_tmp_rsa_callback(SSL *ssl,
1548     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1549 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1550     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1551 void SSL_set_tmp_dh_callback(SSL *ssl,
1552     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1553 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
1554     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1555 void SSL_set_tmp_ecdh_callback(SSL *ssl,
1556     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1557
1558 size_t SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out);
1559 size_t SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out);
1560
1561 const void *SSL_get_current_compression(SSL *s);
1562 const void *SSL_get_current_expansion(SSL *s);
1563
1564 const char *SSL_COMP_get_name(const void *comp);
1565 void *SSL_COMP_get_compression_methods(void);
1566 int SSL_COMP_add_compression_method(int id, void *cm);
1567
1568 /* TLS extensions functions */
1569 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
1570
1571 int SSL_set_session_ticket_ext_cb(SSL *s,
1572     tls_session_ticket_ext_cb_fn cb, void *arg);
1573
1574 /* Pre-shared secret session resumption functions */
1575 int SSL_set_session_secret_cb(SSL *s,
1576     tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
1577
1578 void SSL_set_debug(SSL *s, int debug);
1579 int SSL_cache_hit(SSL *s);
1580
1581 /* BEGIN ERROR CODES */
1582 /* The following lines are auto generated by the script mkerr.pl. Any changes
1583  * made after this point may be overwritten when the script is next run.
1584  */
1585 void ERR_load_SSL_strings(void);
1586
1587 /* Error codes for the SSL functions. */
1588
1589 /* Function codes. */
1590 #define SSL_F_CLIENT_CERTIFICATE                         100
1591 #define SSL_F_CLIENT_FINISHED                            167
1592 #define SSL_F_CLIENT_HELLO                               101
1593 #define SSL_F_CLIENT_MASTER_KEY                          102
1594 #define SSL_F_D2I_SSL_SESSION                            103
1595 #define SSL_F_DO_DTLS1_WRITE                             245
1596 #define SSL_F_DO_SSL3_WRITE                              104
1597 #define SSL_F_DTLS1_ACCEPT                               246
1598 #define SSL_F_DTLS1_ADD_CERT_TO_BUF                      295
1599 #define SSL_F_DTLS1_BUFFER_RECORD                        247
1600 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM                    316
1601 #define SSL_F_DTLS1_CLIENT_HELLO                         248
1602 #define SSL_F_DTLS1_CONNECT                              249
1603 #define SSL_F_DTLS1_ENC                                  250
1604 #define SSL_F_DTLS1_GET_HELLO_VERIFY                     251
1605 #define SSL_F_DTLS1_GET_MESSAGE                          252
1606 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT                 253
1607 #define SSL_F_DTLS1_GET_RECORD                           254
1608 #define SSL_F_DTLS1_HANDLE_TIMEOUT                       297
1609 #define SSL_F_DTLS1_HEARTBEAT                            305
1610 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN                    255
1611 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT                  288
1612 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE           256
1613 #define SSL_F_DTLS1_PROCESS_RECORD                       257
1614 #define SSL_F_DTLS1_READ_BYTES                           258
1615 #define SSL_F_DTLS1_READ_FAILED                          259
1616 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST             260
1617 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE              261
1618 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE             262
1619 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY                   263
1620 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST            264
1621 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE              265
1622 #define SSL_F_DTLS1_SEND_SERVER_HELLO                    266
1623 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE             267
1624 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES                 268
1625 #define SSL_F_GET_CLIENT_FINISHED                        105
1626 #define SSL_F_GET_CLIENT_HELLO                           106
1627 #define SSL_F_GET_CLIENT_MASTER_KEY                      107
1628 #define SSL_F_GET_SERVER_FINISHED                        108
1629 #define SSL_F_GET_SERVER_HELLO                           109
1630 #define SSL_F_GET_SERVER_VERIFY                          110
1631 #define SSL_F_I2D_SSL_SESSION                            111
1632 #define SSL_F_READ_N                                     112
1633 #define SSL_F_REQUEST_CERTIFICATE                        113
1634 #define SSL_F_SERVER_FINISH                              239
1635 #define SSL_F_SERVER_HELLO                               114
1636 #define SSL_F_SERVER_VERIFY                              240
1637 #define SSL_F_SSL23_ACCEPT                               115
1638 #define SSL_F_SSL23_CLIENT_HELLO                         116
1639 #define SSL_F_SSL23_CONNECT                              117
1640 #define SSL_F_SSL23_GET_CLIENT_HELLO                     118
1641 #define SSL_F_SSL23_GET_SERVER_HELLO                     119
1642 #define SSL_F_SSL23_PEEK                                 237
1643 #define SSL_F_SSL23_READ                                 120
1644 #define SSL_F_SSL23_WRITE                                121
1645 #define SSL_F_SSL2_ACCEPT                                122
1646 #define SSL_F_SSL2_CONNECT                               123
1647 #define SSL_F_SSL2_ENC_INIT                              124
1648 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL                 241
1649 #define SSL_F_SSL2_PEEK                                  234
1650 #define SSL_F_SSL2_READ                                  125
1651 #define SSL_F_SSL2_READ_INTERNAL                         236
1652 #define SSL_F_SSL2_SET_CERTIFICATE                       126
1653 #define SSL_F_SSL2_WRITE                                 127
1654 #define SSL_F_SSL3_ACCEPT                                128
1655 #define SSL_F_SSL3_ADD_CERT_TO_BUF                       296
1656 #define SSL_F_SSL3_CALLBACK_CTRL                         233
1657 #define SSL_F_SSL3_CHANGE_CIPHER_STATE                   129
1658 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM              130
1659 #define SSL_F_SSL3_CHECK_CLIENT_HELLO                    304
1660 #define SSL_F_SSL3_CLIENT_HELLO                          131
1661 #define SSL_F_SSL3_CONNECT                               132
1662 #define SSL_F_SSL3_CTRL                                  213
1663 #define SSL_F_SSL3_CTX_CTRL                              133
1664 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS                 293
1665 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC                 292
1666 #define SSL_F_SSL3_ENC                                   134
1667 #define SSL_F_SSL3_GENERATE_KEY_BLOCK                    238
1668 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST               135
1669 #define SSL_F_SSL3_GET_CERT_STATUS                       289
1670 #define SSL_F_SSL3_GET_CERT_VERIFY                       136
1671 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE                137
1672 #define SSL_F_SSL3_GET_CLIENT_HELLO                      138
1673 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE               139
1674 #define SSL_F_SSL3_GET_FINISHED                          140
1675 #define SSL_F_SSL3_GET_KEY_EXCHANGE                      141
1676 #define SSL_F_SSL3_GET_MESSAGE                           142
1677 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET                283
1678 #define SSL_F_SSL3_GET_NEXT_PROTO                        306
1679 #define SSL_F_SSL3_GET_RECORD                            143
1680 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE                144
1681 #define SSL_F_SSL3_GET_SERVER_DONE                       145
1682 #define SSL_F_SSL3_GET_SERVER_HELLO                      146
1683 #define SSL_F_SSL3_HANDSHAKE_MAC                         285
1684 #define SSL_F_SSL3_NEW_SESSION_TICKET                    287
1685 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN                     147
1686 #define SSL_F_SSL3_PEEK                                  235
1687 #define SSL_F_SSL3_READ_BYTES                            148
1688 #define SSL_F_SSL3_READ_N                                149
1689 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST              150
1690 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE               151
1691 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE              152
1692 #define SSL_F_SSL3_SEND_CLIENT_VERIFY                    153
1693 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE               154
1694 #define SSL_F_SSL3_SEND_SERVER_HELLO                     242
1695 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE              155
1696 #define SSL_F_SSL3_SETUP_KEY_BLOCK                       157
1697 #define SSL_F_SSL3_SETUP_READ_BUFFER                     156
1698 #define SSL_F_SSL3_SETUP_WRITE_BUFFER                    291
1699 #define SSL_F_SSL3_WRITE_BYTES                           158
1700 #define SSL_F_SSL3_WRITE_PENDING                         159
1701 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT        298
1702 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT                 277
1703 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT           307
1704 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK         215
1705 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK        216
1706 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT        299
1707 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT                 278
1708 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT           308
1709 #define SSL_F_SSL_BAD_METHOD                             160
1710 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST                   161
1711 #define SSL_F_SSL_CERT_DUP                               221
1712 #define SSL_F_SSL_CERT_INST                              222
1713 #define SSL_F_SSL_CERT_INSTANTIATE                       214
1714 #define SSL_F_SSL_CERT_NEW                               162
1715 #define SSL_F_SSL_CHECK_PRIVATE_KEY                      163
1716 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT               280
1717 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG            279
1718 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR                 230
1719 #define SSL_F_SSL_CIPHER_STRENGTH_SORT                   231
1720 #define SSL_F_SSL_CLEAR                                  164
1721 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD            165
1722 #define SSL_F_SSL_CREATE_CIPHER_LIST                     166
1723 #define SSL_F_SSL_CTRL                                   232
1724 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY                  168
1725 #define SSL_F_SSL_CTX_MAKE_PROFILES                      309
1726 #define SSL_F_SSL_CTX_NEW                                169
1727 #define SSL_F_SSL_CTX_SET_CIPHER_LIST                    269
1728 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE             290
1729 #define SSL_F_SSL_CTX_SET_PURPOSE                        226
1730 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT             219
1731 #define SSL_F_SSL_CTX_SET_SSL_VERSION                    170
1732 #define SSL_F_SSL_CTX_SET_TRUST                          229
1733 #define SSL_F_SSL_CTX_USE_CERTIFICATE                    171
1734 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1               172
1735 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE         220
1736 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE               173
1737 #define SSL_F_SSL_CTX_USE_PRIVATEKEY                     174
1738 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1                175
1739 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE                176
1740 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT              272
1741 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY                  177
1742 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1             178
1743 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE             179
1744 #define SSL_F_SSL_DO_HANDSHAKE                           180
1745 #define SSL_F_SSL_GET_NEW_SESSION                        181
1746 #define SSL_F_SSL_GET_PREV_SESSION                       217
1747 #define SSL_F_SSL_GET_SERVER_SEND_CERT                   182
1748 #define SSL_F_SSL_GET_SERVER_SEND_PKEY                   317
1749 #define SSL_F_SSL_GET_SIGN_PKEY                          183
1750 #define SSL_F_SSL_INIT_WBIO_BUFFER                       184
1751 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE                    185
1752 #define SSL_F_SSL_NEW                                    186
1753 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT      300
1754 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT               302
1755 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT         310
1756 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT      301
1757 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT               303
1758 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT         311
1759 #define SSL_F_SSL_PEEK                                   270
1760 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT             281
1761 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT             282
1762 #define SSL_F_SSL_READ                                   223
1763 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT                    187
1764 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT                     188
1765 #define SSL_F_SSL_SESSION_NEW                            189
1766 #define SSL_F_SSL_SESSION_PRINT_FP                       190
1767 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT                312
1768 #define SSL_F_SSL_SESS_CERT_NEW                          225
1769 #define SSL_F_SSL_SET_CERT                               191
1770 #define SSL_F_SSL_SET_CIPHER_LIST                        271
1771 #define SSL_F_SSL_SET_FD                                 192
1772 #define SSL_F_SSL_SET_PKEY                               193
1773 #define SSL_F_SSL_SET_PURPOSE                            227
1774 #define SSL_F_SSL_SET_RFD                                194
1775 #define SSL_F_SSL_SET_SESSION                            195
1776 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT                 218
1777 #define SSL_F_SSL_SET_SESSION_TICKET_EXT                 294
1778 #define SSL_F_SSL_SET_TRUST                              228
1779 #define SSL_F_SSL_SET_WFD                                196
1780 #define SSL_F_SSL_SHUTDOWN                               224
1781 #define SSL_F_SSL_SRP_CTX_INIT                           313
1782 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION               243
1783 #define SSL_F_SSL_UNDEFINED_FUNCTION                     197
1784 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION                244
1785 #define SSL_F_SSL_USE_CERTIFICATE                        198
1786 #define SSL_F_SSL_USE_CERTIFICATE_ASN1                   199
1787 #define SSL_F_SSL_USE_CERTIFICATE_FILE                   200
1788 #define SSL_F_SSL_USE_PRIVATEKEY                         201
1789 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1                    202
1790 #define SSL_F_SSL_USE_PRIVATEKEY_FILE                    203
1791 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT                  273
1792 #define SSL_F_SSL_USE_RSAPRIVATEKEY                      204
1793 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1                 205
1794 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE                 206
1795 #define SSL_F_SSL_VERIFY_CERT_CHAIN                      207
1796 #define SSL_F_SSL_WRITE                                  208
1797 #define SSL_F_TLS1_AEAD_CTX_INIT                         339
1798 #define SSL_F_TLS1_CERT_VERIFY_MAC                       286
1799 #define SSL_F_TLS1_CHANGE_CIPHER_STATE                   209
1800 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_AEAD              340
1801 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_CIPHER            338
1802 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT              274
1803 #define SSL_F_TLS1_ENC                                   210
1804 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL                314
1805 #define SSL_F_TLS1_HEARTBEAT                             315
1806 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT            275
1807 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT            276
1808 #define SSL_F_TLS1_PRF                                   284
1809 #define SSL_F_TLS1_SETUP_KEY_BLOCK                       211
1810 #define SSL_F_WRITE_PENDING                              212
1811
1812 /* Reason codes. */
1813 #define SSL_R_APP_DATA_IN_HANDSHAKE                      100
1814 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
1815 #define SSL_R_BAD_ALERT_RECORD                           101
1816 #define SSL_R_BAD_AUTHENTICATION_TYPE                    102
1817 #define SSL_R_BAD_CHANGE_CIPHER_SPEC                     103
1818 #define SSL_R_BAD_CHECKSUM                               104
1819 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK              106
1820 #define SSL_R_BAD_DECOMPRESSION                          107
1821 #define SSL_R_BAD_DH_G_LENGTH                            108
1822 #define SSL_R_BAD_DH_PUB_KEY_LENGTH                      109
1823 #define SSL_R_BAD_DH_P_LENGTH                            110
1824 #define SSL_R_BAD_DIGEST_LENGTH                          111
1825 #define SSL_R_BAD_DSA_SIGNATURE                          112
1826 #define SSL_R_BAD_ECC_CERT                               304
1827 #define SSL_R_BAD_ECDSA_SIGNATURE                        305
1828 #define SSL_R_BAD_ECPOINT                                306
1829 #define SSL_R_BAD_HANDSHAKE_LENGTH                       332
1830 #define SSL_R_BAD_HELLO_REQUEST                          105
1831 #define SSL_R_BAD_LENGTH                                 271
1832 #define SSL_R_BAD_MAC_DECODE                             113
1833 #define SSL_R_BAD_MAC_LENGTH                             333
1834 #define SSL_R_BAD_MESSAGE_TYPE                           114
1835 #define SSL_R_BAD_PACKET_LENGTH                          115
1836 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER                116
1837 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH               316
1838 #define SSL_R_BAD_RESPONSE_ARGUMENT                      117
1839 #define SSL_R_BAD_RSA_DECRYPT                            118
1840 #define SSL_R_BAD_RSA_ENCRYPT                            119
1841 #define SSL_R_BAD_RSA_E_LENGTH                           120
1842 #define SSL_R_BAD_RSA_MODULUS_LENGTH                     121
1843 #define SSL_R_BAD_RSA_SIGNATURE                          122
1844 #define SSL_R_BAD_SIGNATURE                              123
1845 #define SSL_R_BAD_SRP_A_LENGTH                           347
1846 #define SSL_R_BAD_SRP_B_LENGTH                           348
1847 #define SSL_R_BAD_SRP_G_LENGTH                           349
1848 #define SSL_R_BAD_SRP_N_LENGTH                           350
1849 #define SSL_R_BAD_SRP_S_LENGTH                           351
1850 #define SSL_R_BAD_SRTP_MKI_VALUE                         352
1851 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST           353
1852 #define SSL_R_BAD_SSL_FILETYPE                           124
1853 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH                  125
1854 #define SSL_R_BAD_STATE                                  126
1855 #define SSL_R_BAD_WRITE_RETRY                            127
1856 #define SSL_R_BIO_NOT_SET                                128
1857 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG                  129
1858 #define SSL_R_BN_LIB                                     130
1859 #define SSL_R_CA_DN_LENGTH_MISMATCH                      131
1860 #define SSL_R_CA_DN_TOO_LONG                             132
1861 #define SSL_R_CCS_RECEIVED_EARLY                         133
1862 #define SSL_R_CERTIFICATE_VERIFY_FAILED                  134
1863 #define SSL_R_CERT_LENGTH_MISMATCH                       135
1864 #define SSL_R_CHALLENGE_IS_DIFFERENT                     136
1865 #define SSL_R_CIPHER_CODE_WRONG_LENGTH                   137
1866 #define SSL_R_CIPHER_COMPRESSION_UNAVAILABLE             371
1867 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE                 138
1868 #define SSL_R_CIPHER_TABLE_SRC_ERROR                     139
1869 #define SSL_R_CLIENTHELLO_TLSEXT                         226
1870 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG                 140
1871 #define SSL_R_COMPRESSION_DISABLED                       343
1872 #define SSL_R_COMPRESSION_FAILURE                        141
1873 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE    307
1874 #define SSL_R_COMPRESSION_LIBRARY_ERROR                  142
1875 #define SSL_R_CONNECTION_ID_IS_DIFFERENT                 143
1876 #define SSL_R_CONNECTION_TYPE_NOT_SET                    144
1877 #define SSL_R_COOKIE_MISMATCH                            308
1878 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED              145
1879 #define SSL_R_DATA_LENGTH_TOO_LONG                       146
1880 #define SSL_R_DECRYPTION_FAILED                          147
1881 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC        281
1882 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG            148
1883 #define SSL_R_DIGEST_CHECK_FAILED                        149
1884 #define SSL_R_DTLS_MESSAGE_TOO_BIG                       334
1885 #define SSL_R_DUPLICATE_COMPRESSION_ID                   309
1886 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT             317
1887 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING                   318
1888 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE         322
1889 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE        323
1890 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER               310
1891 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST         354
1892 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG                  150
1893 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY               282
1894 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST              151
1895 #define SSL_R_EXCESSIVE_MESSAGE_SIZE                     152
1896 #define SSL_R_EXTRA_DATA_IN_MESSAGE                      153
1897 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS                     154
1898 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS                355
1899 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION           356
1900 #define SSL_R_HTTPS_PROXY_REQUEST                        155
1901 #define SSL_R_HTTP_REQUEST                               156
1902 #define SSL_R_ILLEGAL_PADDING                            283
1903 #define SSL_R_INAPPROPRIATE_FALLBACK                     373
1904 #define SSL_R_INCONSISTENT_COMPRESSION                   340
1905 #define SSL_R_INVALID_CHALLENGE_LENGTH                   158
1906 #define SSL_R_INVALID_COMMAND                            280
1907 #define SSL_R_INVALID_COMPRESSION_ALGORITHM              341
1908 #define SSL_R_INVALID_PURPOSE                            278
1909 #define SSL_R_INVALID_SRP_USERNAME                       357
1910 #define SSL_R_INVALID_STATUS_RESPONSE                    328
1911 #define SSL_R_INVALID_TICKET_KEYS_LENGTH                 325
1912 #define SSL_R_INVALID_TRUST                              279
1913 #define SSL_R_KEY_ARG_TOO_LONG                           284
1914 #define SSL_R_KRB5                                       285
1915 #define SSL_R_KRB5_C_CC_PRINC                            286
1916 #define SSL_R_KRB5_C_GET_CRED                            287
1917 #define SSL_R_KRB5_C_INIT                                288
1918 #define SSL_R_KRB5_C_MK_REQ                              289
1919 #define SSL_R_KRB5_S_BAD_TICKET                          290
1920 #define SSL_R_KRB5_S_INIT                                291
1921 #define SSL_R_KRB5_S_RD_REQ                              292
1922 #define SSL_R_KRB5_S_TKT_EXPIRED                         293
1923 #define SSL_R_KRB5_S_TKT_NYV                             294
1924 #define SSL_R_KRB5_S_TKT_SKEW                            295
1925 #define SSL_R_LENGTH_MISMATCH                            159
1926 #define SSL_R_LENGTH_TOO_SHORT                           160
1927 #define SSL_R_LIBRARY_BUG                                274
1928 #define SSL_R_LIBRARY_HAS_NO_CIPHERS                     161
1929 #define SSL_R_MESSAGE_TOO_LONG                           296
1930 #define SSL_R_MISSING_DH_DSA_CERT                        162
1931 #define SSL_R_MISSING_DH_KEY                             163
1932 #define SSL_R_MISSING_DH_RSA_CERT                        164
1933 #define SSL_R_MISSING_DSA_SIGNING_CERT                   165
1934 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY                  166
1935 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY                 167
1936 #define SSL_R_MISSING_RSA_CERTIFICATE                    168
1937 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT                169
1938 #define SSL_R_MISSING_RSA_SIGNING_CERT                   170
1939 #define SSL_R_MISSING_SRP_PARAM                          358
1940 #define SSL_R_MISSING_TMP_DH_KEY                         171
1941 #define SSL_R_MISSING_TMP_ECDH_KEY                       311
1942 #define SSL_R_MISSING_TMP_RSA_KEY                        172
1943 #define SSL_R_MISSING_TMP_RSA_PKEY                       173
1944 #define SSL_R_MISSING_VERIFY_MESSAGE                     174
1945 #define SSL_R_MULTIPLE_SGC_RESTARTS                      346
1946 #define SSL_R_NON_SSLV2_INITIAL_PACKET                   175
1947 #define SSL_R_NO_CERTIFICATES_RETURNED                   176
1948 #define SSL_R_NO_CERTIFICATE_ASSIGNED                    177
1949 #define SSL_R_NO_CERTIFICATE_RETURNED                    178
1950 #define SSL_R_NO_CERTIFICATE_SET                         179
1951 #define SSL_R_NO_CERTIFICATE_SPECIFIED                   180
1952 #define SSL_R_NO_CIPHERS_AVAILABLE                       181
1953 #define SSL_R_NO_CIPHERS_PASSED                          182
1954 #define SSL_R_NO_CIPHERS_SPECIFIED                       183
1955 #define SSL_R_NO_CIPHER_LIST                             184
1956 #define SSL_R_NO_CIPHER_MATCH                            185
1957 #define SSL_R_NO_CLIENT_CERT_METHOD                      331
1958 #define SSL_R_NO_CLIENT_CERT_RECEIVED                    186
1959 #define SSL_R_NO_COMPRESSION_SPECIFIED                   187
1960 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER           330
1961 #define SSL_R_NO_METHOD_SPECIFIED                        188
1962 #define SSL_R_NO_PRIVATEKEY                              189
1963 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED                    190
1964 #define SSL_R_NO_PROTOCOLS_AVAILABLE                     191
1965 #define SSL_R_NO_PUBLICKEY                               192
1966 #define SSL_R_NO_RENEGOTIATION                           339
1967 #define SSL_R_NO_REQUIRED_DIGEST                         324
1968 #define SSL_R_NO_SHARED_CIPHER                           193
1969 #define SSL_R_NO_SRTP_PROFILES                           359
1970 #define SSL_R_NO_VERIFY_CALLBACK                         194
1971 #define SSL_R_NULL_SSL_CTX                               195
1972 #define SSL_R_NULL_SSL_METHOD_PASSED                     196
1973 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED            197
1974 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
1975 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE              297
1976 #define SSL_R_PACKET_LENGTH_TOO_LONG                     198
1977 #define SSL_R_PARSE_TLSEXT                               227
1978 #define SSL_R_PATH_TOO_LONG                              270
1979 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE          199
1980 #define SSL_R_PEER_ERROR                                 200
1981 #define SSL_R_PEER_ERROR_CERTIFICATE                     201
1982 #define SSL_R_PEER_ERROR_NO_CERTIFICATE                  202
1983 #define SSL_R_PEER_ERROR_NO_CIPHER                       203
1984 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE    204
1985 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG                    205
1986 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS          206
1987 #define SSL_R_PROTOCOL_IS_SHUTDOWN                       207
1988 #define SSL_R_PSK_IDENTITY_NOT_FOUND                     223
1989 #define SSL_R_PSK_NO_CLIENT_CB                           224
1990 #define SSL_R_PSK_NO_SERVER_CB                           225
1991 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR                   208
1992 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA                      209
1993 #define SSL_R_PUBLIC_KEY_NOT_RSA                         210
1994 #define SSL_R_READ_BIO_NOT_SET                           211
1995 #define SSL_R_READ_TIMEOUT_EXPIRED                       312
1996 #define SSL_R_READ_WRONG_PACKET_TYPE                     212
1997 #define SSL_R_RECORD_LENGTH_MISMATCH                     213
1998 #define SSL_R_RECORD_TOO_LARGE                           214
1999 #define SSL_R_RECORD_TOO_SMALL                           298
2000 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG                   335
2001 #define SSL_R_RENEGOTIATION_ENCODING_ERR                 336
2002 #define SSL_R_RENEGOTIATION_MISMATCH                     337
2003 #define SSL_R_REQUIRED_CIPHER_MISSING                    215
2004 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING    342
2005 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO                 216
2006 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO                   217
2007 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO                 218
2008 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING           345
2009 #define SSL_R_SERVERHELLO_TLSEXT                         275
2010 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED           277
2011 #define SSL_R_SHORT_READ                                 219
2012 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR                 360
2013 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE      220
2014 #define SSL_R_SRP_A_CALC                                 361
2015 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES           362
2016 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG      363
2017 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE            364
2018 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE               221
2019 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG                299
2020 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT             321
2021 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME                319
2022 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE           320
2023 #define SSL_R_SSL3_SESSION_ID_TOO_LONG                   300
2024 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT                  222
2025 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE                1042
2026 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC                 1020
2027 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED            1045
2028 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED            1044
2029 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN            1046
2030 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE          1030
2031 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE              1040
2032 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER              1047
2033 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE                 1041
2034 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE             1010
2035 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE        1043
2036 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION         228
2037 #define SSL_R_SSL_HANDSHAKE_FAILURE                      229
2038 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS                 230
2039 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED             301
2040 #define SSL_R_SSL_SESSION_ID_CONFLICT                    302
2041 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG            273
2042 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH              303
2043 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT                231
2044 #define SSL_R_SSL_SESSION_ID_TOO_LONG                    408
2045 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED                  1049
2046 #define SSL_R_TLSV1_ALERT_DECODE_ERROR                   1050
2047 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED              1021
2048 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR                  1051
2049 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION             1060
2050 #define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK         1086
2051 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY          1071
2052 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR                 1080
2053 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION               1100
2054 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION               1070
2055 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW                1022
2056 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA                     1048
2057 #define SSL_R_TLSV1_ALERT_USER_CANCELLED                 1090
2058 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE           1114
2059 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE      1113
2060 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE             1111
2061 #define SSL_R_TLSV1_UNRECOGNIZED_NAME                    1112
2062 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION                1110
2063 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER       232
2064 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT           365
2065 #define SSL_R_TLS_HEARTBEAT_PENDING                      366
2066 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL                 367
2067 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST             157
2068 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2069 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG    234
2070 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER            235
2071 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS                  236
2072 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS                313
2073 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY               237
2074 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS               238
2075 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS             314
2076 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS       239
2077 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD                  240
2078 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES           241
2079 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES           242
2080 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES          243
2081 #define SSL_R_UNEXPECTED_MESSAGE                         244
2082 #define SSL_R_UNEXPECTED_RECORD                          245
2083 #define SSL_R_UNINITIALIZED                              276
2084 #define SSL_R_UNKNOWN_ALERT_TYPE                         246
2085 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE                   247
2086 #define SSL_R_UNKNOWN_CIPHER_RETURNED                    248
2087 #define SSL_R_UNKNOWN_CIPHER_TYPE                        249
2088 #define SSL_R_UNKNOWN_DIGEST                             368
2089 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE                  250
2090 #define SSL_R_UNKNOWN_PKEY_TYPE                          251
2091 #define SSL_R_UNKNOWN_PROTOCOL                           252
2092 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE                  253
2093 #define SSL_R_UNKNOWN_SSL_VERSION                        254
2094 #define SSL_R_UNKNOWN_STATE                              255
2095 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED       338
2096 #define SSL_R_UNSUPPORTED_CIPHER                         256
2097 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM          257
2098 #define SSL_R_UNSUPPORTED_DIGEST_TYPE                    326
2099 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE                 315
2100 #define SSL_R_UNSUPPORTED_PROTOCOL                       258
2101 #define SSL_R_UNSUPPORTED_SSL_VERSION                    259
2102 #define SSL_R_UNSUPPORTED_STATUS_TYPE                    329
2103 #define SSL_R_USE_SRTP_NOT_NEGOTIATED                    369
2104 #define SSL_R_WRITE_BIO_NOT_SET                          260
2105 #define SSL_R_WRONG_CIPHER_RETURNED                      261
2106 #define SSL_R_WRONG_CURVE                                378
2107 #define SSL_R_WRONG_MESSAGE_TYPE                         262
2108 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS                   263
2109 #define SSL_R_WRONG_SIGNATURE_LENGTH                     264
2110 #define SSL_R_WRONG_SIGNATURE_SIZE                       265
2111 #define SSL_R_WRONG_SIGNATURE_TYPE                       370
2112 #define SSL_R_WRONG_SSL_VERSION                          266
2113 #define SSL_R_WRONG_VERSION_NUMBER                       267
2114 #define SSL_R_X509_LIB                                   268
2115 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS           269
2116 #define SSL_R_PEER_BEHAVING_BADLY                        666
2117
2118 /*
2119  * OpenSSL compatible OPENSSL_INIT options
2120  */
2121
2122 /*
2123  * These are provided for compatibiliy, but have no effect
2124  * on how LibreSSL is initialized.
2125  */
2126 #define OPENSSL_INIT_LOAD_SSL_STRINGS   _OPENSSL_INIT_FLAG_NOOP
2127 #define OPENSSL_INIT_SSL_DEFAULT        _OPENSSL_INIT_FLAG_NOOP
2128
2129 int OPENSSL_init_ssl(uint64_t opts, const void *settings);
2130
2131 #ifdef  __cplusplus
2132 }
2133 #endif
2134 #endif