xref: /openbsd-src/lib/libssl/ssl.h (revision de8cc8edbc71bd3e3bc7fbffa27ba0e564c37d8b)
1 /* $OpenBSD: ssl.h,v 1.182 2021/02/20 08:33:17 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * 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 
150 #include <openssl/hmac.h>
151 #include <openssl/pem.h>
152 #include <openssl/safestack.h>
153 
154 #include <openssl/bio.h>
155 
156 #ifndef OPENSSL_NO_DEPRECATED
157 #include <openssl/buffer.h>
158 #include <openssl/crypto.h>
159 #include <openssl/lhash.h>
160 
161 #ifndef OPENSSL_NO_X509
162 #include <openssl/x509.h>
163 #endif
164 #endif
165 
166 #ifdef  __cplusplus
167 extern "C" {
168 #endif
169 
170 /* SSLeay version number for ASN.1 encoding of the session information */
171 /* Version 0 - initial version
172  * Version 1 - added the optional peer certificate
173  */
174 #define SSL_SESSION_ASN1_VERSION 0x0001
175 
176 /* text strings for the ciphers */
177 #define SSL_TXT_NULL_WITH_MD5		SSL2_TXT_NULL_WITH_MD5
178 #define SSL_TXT_RC4_128_WITH_MD5	SSL2_TXT_RC4_128_WITH_MD5
179 #define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5
180 #define SSL_TXT_RC2_128_CBC_WITH_MD5	SSL2_TXT_RC2_128_CBC_WITH_MD5
181 #define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5
182 #define SSL_TXT_IDEA_128_CBC_WITH_MD5	SSL2_TXT_IDEA_128_CBC_WITH_MD5
183 #define SSL_TXT_DES_64_CBC_WITH_MD5	SSL2_TXT_DES_64_CBC_WITH_MD5
184 #define SSL_TXT_DES_64_CBC_WITH_SHA	SSL2_TXT_DES_64_CBC_WITH_SHA
185 #define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5
186 #define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA
187 
188 /*    VRS Additional Kerberos5 entries
189  */
190 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
191 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
192 #define SSL_TXT_KRB5_RC4_128_SHA      SSL3_TXT_KRB5_RC4_128_SHA
193 #define SSL_TXT_KRB5_IDEA_128_CBC_SHA SSL3_TXT_KRB5_IDEA_128_CBC_SHA
194 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
195 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
196 #define SSL_TXT_KRB5_RC4_128_MD5      SSL3_TXT_KRB5_RC4_128_MD5
197 #define SSL_TXT_KRB5_IDEA_128_CBC_MD5 SSL3_TXT_KRB5_IDEA_128_CBC_MD5
198 
199 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
200 #define SSL_TXT_KRB5_RC2_40_CBC_SHA   SSL3_TXT_KRB5_RC2_40_CBC_SHA
201 #define SSL_TXT_KRB5_RC4_40_SHA	      SSL3_TXT_KRB5_RC4_40_SHA
202 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
203 #define SSL_TXT_KRB5_RC2_40_CBC_MD5   SSL3_TXT_KRB5_RC2_40_CBC_MD5
204 #define SSL_TXT_KRB5_RC4_40_MD5	      SSL3_TXT_KRB5_RC4_40_MD5
205 
206 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
207 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
208 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
209 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
210 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
211 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
212 #define SSL_MAX_KRB5_PRINCIPAL_LENGTH  256
213 
214 #define SSL_MAX_SSL_SESSION_ID_LENGTH		32
215 #define SSL_MAX_SID_CTX_LENGTH			32
216 
217 #define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES	(512/8)
218 #define SSL_MAX_KEY_ARG_LENGTH			8
219 #define SSL_MAX_MASTER_KEY_LENGTH		48
220 
221 
222 /* These are used to specify which ciphers to use and not to use */
223 
224 #define SSL_TXT_LOW		"LOW"
225 #define SSL_TXT_MEDIUM		"MEDIUM"
226 #define SSL_TXT_HIGH		"HIGH"
227 
228 #define SSL_TXT_kFZA		"kFZA" /* unused! */
229 #define	SSL_TXT_aFZA		"aFZA" /* unused! */
230 #define SSL_TXT_eFZA		"eFZA" /* unused! */
231 #define SSL_TXT_FZA		"FZA"  /* unused! */
232 
233 #define	SSL_TXT_aNULL		"aNULL"
234 #define	SSL_TXT_eNULL		"eNULL"
235 #define	SSL_TXT_NULL		"NULL"
236 
237 #define SSL_TXT_kRSA		"kRSA"
238 #define SSL_TXT_kDHr		"kDHr" /* no such ciphersuites supported! */
239 #define SSL_TXT_kDHd		"kDHd" /* no such ciphersuites supported! */
240 #define SSL_TXT_kDH 		"kDH"  /* no such ciphersuites supported! */
241 #define SSL_TXT_kEDH		"kEDH"
242 #define SSL_TXT_kKRB5     	"kKRB5"
243 #define SSL_TXT_kECDHr		"kECDHr"
244 #define SSL_TXT_kECDHe		"kECDHe"
245 #define SSL_TXT_kECDH		"kECDH"
246 #define SSL_TXT_kEECDH		"kEECDH"
247 #define SSL_TXT_kPSK            "kPSK"
248 #define SSL_TXT_kGOST		"kGOST"
249 #define SSL_TXT_kSRP		"kSRP"
250 
251 #define	SSL_TXT_aRSA		"aRSA"
252 #define	SSL_TXT_aDSS		"aDSS"
253 #define	SSL_TXT_aDH		"aDH" /* no such ciphersuites supported! */
254 #define	SSL_TXT_aECDH		"aECDH"
255 #define SSL_TXT_aKRB5     	"aKRB5"
256 #define SSL_TXT_aECDSA		"aECDSA"
257 #define SSL_TXT_aPSK            "aPSK"
258 #define SSL_TXT_aGOST94		"aGOST94"
259 #define SSL_TXT_aGOST01		"aGOST01"
260 #define SSL_TXT_aGOST		"aGOST"
261 
262 #define	SSL_TXT_DSS		"DSS"
263 #define SSL_TXT_DH		"DH"
264 #define SSL_TXT_DHE		"DHE" /* same as "kDHE:-ADH" */
265 #define SSL_TXT_EDH		"EDH" /* previous name for DHE */
266 #define SSL_TXT_ADH		"ADH"
267 #define SSL_TXT_RSA		"RSA"
268 #define SSL_TXT_ECDH		"ECDH"
269 #define SSL_TXT_ECDHE		"ECDHE" /* same as "kECDHE:-AECDH" */
270 #define SSL_TXT_EECDH		"EECDH" /* previous name for ECDHE */
271 #define SSL_TXT_AECDH		"AECDH"
272 #define SSL_TXT_ECDSA		"ECDSA"
273 #define SSL_TXT_KRB5      	"KRB5"
274 #define SSL_TXT_PSK             "PSK"
275 #define SSL_TXT_SRP		"SRP"
276 
277 #define SSL_TXT_DES		"DES"
278 #define SSL_TXT_3DES		"3DES"
279 #define SSL_TXT_RC4		"RC4"
280 #define SSL_TXT_RC2		"RC2"
281 #define SSL_TXT_IDEA		"IDEA"
282 #define SSL_TXT_SEED		"SEED"
283 #define SSL_TXT_AES128		"AES128"
284 #define SSL_TXT_AES256		"AES256"
285 #define SSL_TXT_AES		"AES"
286 #define SSL_TXT_AES_GCM		"AESGCM"
287 #define SSL_TXT_CAMELLIA128	"CAMELLIA128"
288 #define SSL_TXT_CAMELLIA256	"CAMELLIA256"
289 #define SSL_TXT_CAMELLIA	"CAMELLIA"
290 #define SSL_TXT_CHACHA20	"CHACHA20"
291 
292 #define SSL_TXT_AEAD		"AEAD"
293 #define SSL_TXT_MD5		"MD5"
294 #define SSL_TXT_SHA1		"SHA1"
295 #define SSL_TXT_SHA		"SHA" /* same as "SHA1" */
296 #define SSL_TXT_GOST94		"GOST94"
297 #define SSL_TXT_GOST89MAC		"GOST89MAC"
298 #define SSL_TXT_SHA256		"SHA256"
299 #define SSL_TXT_SHA384		"SHA384"
300 #define SSL_TXT_STREEBOG256		"STREEBOG256"
301 #define SSL_TXT_STREEBOG512		"STREEBOG512"
302 
303 #define SSL_TXT_DTLS1		"DTLSv1"
304 #if defined(LIBRESSL_HAS_DTLS1_2) || defined(LIBRESSL_INTERNAL)
305 #define SSL_TXT_DTLS1_2		"DTLSv1.2"
306 #endif
307 #define SSL_TXT_SSLV2		"SSLv2"
308 #define SSL_TXT_SSLV3		"SSLv3"
309 #define SSL_TXT_TLSV1		"TLSv1"
310 #define SSL_TXT_TLSV1_1		"TLSv1.1"
311 #define SSL_TXT_TLSV1_2		"TLSv1.2"
312 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
313 #define SSL_TXT_TLSV1_3		"TLSv1.3"
314 #endif
315 
316 #define SSL_TXT_EXP		"EXP"
317 #define SSL_TXT_EXPORT		"EXPORT"
318 
319 #define SSL_TXT_ALL		"ALL"
320 
321 /*
322  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
323  * ciphers normally not being used.
324  * Example: "RC4" will activate all ciphers using RC4 including ciphers
325  * without authentication, which would normally disabled by DEFAULT (due
326  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
327  * will make sure that it is also disabled in the specific selection.
328  * COMPLEMENTOF* identifiers are portable between version, as adjustments
329  * to the default cipher setup will also be included here.
330  *
331  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
332  * DEFAULT gets, as only selection is being done and no sorting as needed
333  * for DEFAULT.
334  */
335 #define SSL_TXT_CMPALL		"COMPLEMENTOFALL"
336 #define SSL_TXT_CMPDEF		"COMPLEMENTOFDEFAULT"
337 
338 /* The following cipher list is used by default.
339  * It also is substituted when an application-defined cipher list string
340  * starts with 'DEFAULT'. */
341 #define SSL_DEFAULT_CIPHER_LIST	"ALL:!aNULL:!eNULL:!SSLv2"
342 /* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
343  * starts with a reasonable order, and all we have to do for DEFAULT is
344  * throwing out anonymous and unencrypted ciphersuites!
345  * (The latter are not actually enabled by ALL, but "ALL:RSA" would enable
346  * some of them.)
347  */
348 
349 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
350 #define SSL_SENT_SHUTDOWN	1
351 #define SSL_RECEIVED_SHUTDOWN	2
352 
353 
354 #define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
355 #define SSL_FILETYPE_PEM	X509_FILETYPE_PEM
356 
357 /* This is needed to stop compilers complaining about the
358  * 'struct ssl_st *' function parameters used to prototype callbacks
359  * in SSL_CTX. */
360 typedef struct ssl_st *ssl_crock_st;
361 
362 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
363 typedef struct ssl_method_st SSL_METHOD;
364 typedef struct ssl_cipher_st SSL_CIPHER;
365 typedef struct ssl_session_st SSL_SESSION;
366 
367 DECLARE_STACK_OF(SSL_CIPHER)
368 
369 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
370 typedef struct srtp_protection_profile_st {
371 	const char *name;
372 	unsigned long id;
373 } SRTP_PROTECTION_PROFILE;
374 
375 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
376 
377 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
378     int len, void *arg);
379 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
380     STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
381 
382 #ifndef OPENSSL_NO_SSL_INTERN
383 
384 /* used to hold info on the particular ciphers used */
385 struct ssl_cipher_st {
386 	int valid;
387 	const char *name;		/* text name */
388 	unsigned long id;		/* id, 4 bytes, first is version */
389 
390 	unsigned long algorithm_mkey;	/* key exchange algorithm */
391 	unsigned long algorithm_auth;	/* server authentication */
392 	unsigned long algorithm_enc;	/* symmetric encryption */
393 	unsigned long algorithm_mac;	/* symmetric authentication */
394 	unsigned long algorithm_ssl;	/* (major) protocol version */
395 
396 	unsigned long algo_strength;	/* strength and export flags */
397 	unsigned long algorithm2;	/* Extra flags */
398 	int strength_bits;		/* Number of bits really used */
399 	int alg_bits;			/* Number of bits for algorithm */
400 };
401 
402 
403 /* Used to hold functions for SSLv3/TLSv1 functions */
404 struct ssl_method_internal_st;
405 
406 struct ssl_method_st {
407 	int (*ssl_dispatch_alert)(SSL *s);
408 	int (*num_ciphers)(void);
409 	const SSL_CIPHER *(*get_cipher)(unsigned int ncipher);
410 	const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
411 	int (*put_cipher_by_char)(const SSL_CIPHER *cipher, unsigned char *ptr);
412 
413 	const struct ssl_method_internal_st *internal;
414 };
415 
416 /* Lets make this into an ASN.1 type structure as follows
417  * SSL_SESSION_ID ::= SEQUENCE {
418  *	version 		INTEGER,	-- structure version number
419  *	SSLversion 		INTEGER,	-- SSL version number
420  *	Cipher 			OCTET STRING,	-- the 3 byte cipher ID
421  *	Session_ID 		OCTET STRING,	-- the Session ID
422  *	Master_key 		OCTET STRING,	-- the master key
423  *	KRB5_principal		OCTET STRING	-- optional Kerberos principal
424  *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
425  *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
426  *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
427  *	Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
428  *	Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
429  *	HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension
430  *	PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
431  *	PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
432  *	Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
433  *	Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
434  *	Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
435  *	SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
436  *	}
437  * Look in ssl/ssl_asn1.c for more details
438  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
439  */
440 struct ssl_session_internal_st;
441 
442 struct ssl_session_st {
443 	int ssl_version;	/* what ssl version session info is
444 				 * being kept in here? */
445 
446 	int master_key_length;
447 	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
448 
449 	/* session_id - valid? */
450 	unsigned int session_id_length;
451 	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
452 
453 	/* this is used to determine whether the session is being reused in
454 	 * the appropriate context. It is up to the application to set this,
455 	 * via SSL_new */
456 	unsigned int sid_ctx_length;
457 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
458 
459 	/* This is the cert for the other end. */
460 	X509 *peer;
461 
462 	/* when app_verify_callback accepts a session where the peer's certificate
463 	 * is not ok, we must remember the error for session reuse: */
464 	long verify_result; /* only for servers */
465 
466 	long timeout;
467 	time_t time;
468 	int references;
469 
470 	const SSL_CIPHER *cipher;
471 	unsigned long cipher_id;	/* when ASN.1 loaded, this
472 					 * needs to be used to load
473 					 * the 'cipher' structure */
474 
475 	STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
476 
477 	char *tlsext_hostname;
478 
479 	/* RFC4507 info */
480 	unsigned char *tlsext_tick;	/* Session ticket */
481 	size_t tlsext_ticklen;		/* Session ticket length */
482 	long tlsext_tick_lifetime_hint;	/* Session lifetime hint in seconds */
483 
484 	struct ssl_session_internal_st *internal;
485 };
486 
487 #endif
488 
489 /* Allow initial connection to servers that don't support RI */
490 #define SSL_OP_LEGACY_SERVER_CONNECT			0x00000004L
491 
492 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
493  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
494  * the workaround is not needed.
495  * Unfortunately some broken SSL/TLS implementations cannot handle it
496  * at all, which is why it was previously included in SSL_OP_ALL.
497  * Now it's not.
498  */
499 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS		0x00000800L
500 
501 /* DTLS options */
502 #define SSL_OP_NO_QUERY_MTU				0x00001000L
503 /* Turn on Cookie Exchange (on relevant for servers) */
504 #define SSL_OP_COOKIE_EXCHANGE				0x00002000L
505 /* Don't use RFC4507 ticket extension */
506 #define SSL_OP_NO_TICKET				0x00004000L
507 
508 /* As server, disallow session resumption on renegotiation */
509 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
510 /* Disallow client initiated renegotiation. */
511 #define SSL_OP_NO_CLIENT_RENEGOTIATION			0x00020000L
512 /* If set, always create a new key when using tmp_dh parameters */
513 #define SSL_OP_SINGLE_DH_USE				0x00100000L
514 /* Set on servers to choose the cipher according to the server's
515  * preferences */
516 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
517 
518 #define SSL_OP_NO_TLSv1					0x04000000L
519 #define SSL_OP_NO_TLSv1_2				0x08000000L
520 #define SSL_OP_NO_TLSv1_1				0x10000000L
521 
522 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
523 #define SSL_OP_NO_TLSv1_3				0x20000000L
524 #endif
525 
526 #if defined(LIBRESSL_HAS_DTLS1_2) || defined(LIBRESSL_INTERNAL)
527 #define SSL_OP_NO_DTLSv1				0x40000000L
528 #define SSL_OP_NO_DTLSv1_2				0x80000000L
529 #endif
530 
531 /* SSL_OP_ALL: various bug workarounds that should be rather harmless. */
532 #define SSL_OP_ALL \
533     (SSL_OP_LEGACY_SERVER_CONNECT)
534 
535 /* Obsolete flags kept for compatibility. No sane code should use them. */
536 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION	0x0
537 #define SSL_OP_CISCO_ANYCONNECT				0x0
538 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG			0x0
539 #define SSL_OP_EPHEMERAL_RSA				0x0
540 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x0
541 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x0
542 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x0
543 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x0
544 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x0
545 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x0
546 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x0
547 #define SSL_OP_NO_COMPRESSION				0x0
548 #define SSL_OP_NO_SSLv2					0x0
549 #define SSL_OP_NO_SSLv3					0x0
550 #define SSL_OP_PKCS1_CHECK_1				0x0
551 #define SSL_OP_PKCS1_CHECK_2				0x0
552 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG			0x0
553 #define SSL_OP_SINGLE_ECDH_USE				0x0
554 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x0
555 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x0
556 #define SSL_OP_TLSEXT_PADDING				0x0
557 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x0
558 #define SSL_OP_TLS_D5_BUG				0x0
559 #define SSL_OP_TLS_ROLLBACK_BUG				0x0
560 
561 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
562  * when just a single record has been written): */
563 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
564 /* Make it possible to retry SSL_write() with changed buffer location
565  * (buffer contents must stay the same!); this is not the default to avoid
566  * the misconception that non-blocking SSL_write() behaves like
567  * non-blocking write(): */
568 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
569 /* Never bother the application with retries if the transport
570  * is blocking: */
571 #define SSL_MODE_AUTO_RETRY 0x00000004L
572 /* Don't attempt to automatically build certificate chain */
573 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
574 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
575  * TLS only.)  "Released" buffers are put onto a free-list in the context
576  * or just freed (depending on the context's setting for freelist_max_len). */
577 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
578 
579 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
580  * they cannot be used to clear bits. */
581 
582 #define SSL_CTX_set_options(ctx,op) \
583 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
584 #define SSL_CTX_clear_options(ctx,op) \
585 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
586 #define SSL_CTX_get_options(ctx) \
587 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
588 #define SSL_set_options(ssl,op) \
589 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
590 #define SSL_clear_options(ssl,op) \
591 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
592 #define SSL_get_options(ssl) \
593         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
594 
595 #define SSL_CTX_set_mode(ctx,op) \
596 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
597 #define SSL_CTX_clear_mode(ctx,op) \
598 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
599 #define SSL_CTX_get_mode(ctx) \
600 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
601 #define SSL_clear_mode(ssl,op) \
602 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
603 #define SSL_set_mode(ssl,op) \
604 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
605 #define SSL_get_mode(ssl) \
606         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
607 #define SSL_set_mtu(ssl, mtu) \
608         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
609 
610 #define SSL_get_secure_renegotiation_support(ssl) \
611 	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
612 
613 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p,
614     int version, int content_type, const void *buf, size_t len, SSL *ssl,
615     void *arg));
616 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version,
617     int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
618 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
619 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
620 
621 struct ssl_aead_ctx_st;
622 typedef struct ssl_aead_ctx_st SSL_AEAD_CTX;
623 
624 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
625 
626 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
627 
628 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
629  * them. It is used to override the generation of SSL/TLS session IDs in a
630  * server. Return value should be zero on an error, non-zero to proceed. Also,
631  * callbacks should themselves check if the id they generate is unique otherwise
632  * the SSL handshake will fail with an error - callbacks can do this using the
633  * 'ssl' value they're passed by;
634  *      SSL_has_matching_session_id(ssl, id, *id_len)
635  * The length value passed in is set at the maximum size the session ID can be.
636  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
637  * can alter this length to be less if desired, but under SSLv2 session IDs are
638  * supposed to be fixed at 16 bytes so the id will be padded after the callback
639  * returns in this case. It is also an error for the callback to set the size to
640  * zero. */
641 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
642     unsigned int *id_len);
643 
644 typedef struct ssl_comp_st SSL_COMP;
645 
646 #ifndef OPENSSL_NO_SSL_INTERN
647 
648 struct ssl_comp_st {
649 	int id;
650 	const char *name;
651 };
652 
653 DECLARE_STACK_OF(SSL_COMP)
654 struct lhash_st_SSL_SESSION {
655 	int dummy;
656 };
657 
658 struct ssl_ctx_internal_st;
659 
660 struct ssl_ctx_st {
661 	const SSL_METHOD *method;
662 
663 	STACK_OF(SSL_CIPHER) *cipher_list;
664 
665 	struct x509_store_st /* X509_STORE */ *cert_store;
666 
667 	/* If timeout is not 0, it is the default timeout value set
668 	 * when SSL_new() is called.  This has been put in to make
669 	 * life easier to set things up */
670 	long session_timeout;
671 
672 	int references;
673 
674 	/* Default values to use in SSL structures follow (these are copied by SSL_new) */
675 
676 	STACK_OF(X509) *extra_certs;
677 
678 	int verify_mode;
679 	unsigned int sid_ctx_length;
680 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
681 
682 	X509_VERIFY_PARAM *param;
683 
684 	/*
685 	 * XXX
686 	 * default_passwd_cb used by python and openvpn, need to keep it until we
687 	 * add an accessor
688 	 */
689 	/* Default password callback. */
690 	pem_password_cb *default_passwd_callback;
691 
692 	/* Default password callback user data. */
693 	void *default_passwd_callback_userdata;
694 
695 	struct ssl_ctx_internal_st *internal;
696 };
697 
698 #endif
699 
700 #define SSL_SESS_CACHE_OFF			0x0000
701 #define SSL_SESS_CACHE_CLIENT			0x0001
702 #define SSL_SESS_CACHE_SERVER			0x0002
703 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
704 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
705 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
706 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
707 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
708 #define SSL_SESS_CACHE_NO_INTERNAL \
709 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
710 
711 struct lhash_st_SSL_SESSION *SSL_CTX_sessions(SSL_CTX *ctx);
712 #define SSL_CTX_sess_number(ctx) \
713 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
714 #define SSL_CTX_sess_connect(ctx) \
715 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
716 #define SSL_CTX_sess_connect_good(ctx) \
717 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
718 #define SSL_CTX_sess_connect_renegotiate(ctx) \
719 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
720 #define SSL_CTX_sess_accept(ctx) \
721 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
722 #define SSL_CTX_sess_accept_renegotiate(ctx) \
723 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
724 #define SSL_CTX_sess_accept_good(ctx) \
725 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
726 #define SSL_CTX_sess_hits(ctx) \
727 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
728 #define SSL_CTX_sess_cb_hits(ctx) \
729 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
730 #define SSL_CTX_sess_misses(ctx) \
731 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
732 #define SSL_CTX_sess_timeouts(ctx) \
733 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
734 #define SSL_CTX_sess_cache_full(ctx) \
735 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
736 
737 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
738     int (*new_session_cb)(struct ssl_st *ssl, SSL_SESSION *sess));
739 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
740     SSL_SESSION *sess);
741 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
742     void (*remove_session_cb)(struct ssl_ctx_st *ctx, SSL_SESSION *sess));
743 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx,
744     SSL_SESSION *sess);
745 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
746     SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
747     const unsigned char *data, int len, int *copy));
748 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
749     const unsigned char *data, int len, int *copy);
750 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,
751     int type, int val));
752 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, int type,
753     int val);
754 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
755     int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
756 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509,
757     EVP_PKEY **pkey);
758 #ifndef OPENSSL_NO_ENGINE
759 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
760 #endif
761 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
762     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
763     unsigned int *cookie_len));
764 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
765     int (*app_verify_cookie_cb)(SSL *ssl, const unsigned char *cookie,
766     unsigned int cookie_len));
767 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
768     const unsigned char **out, unsigned int *outlen, void *arg), void *arg);
769 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
770     unsigned char **out, unsigned char *outlen, const unsigned char *in,
771     unsigned int inlen, void *arg), void *arg);
772 
773 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
774     const unsigned char *in, unsigned int inlen, const unsigned char *client,
775     unsigned int client_len);
776 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
777     unsigned int *len);
778 
779 #define OPENSSL_NPN_UNSUPPORTED	0
780 #define OPENSSL_NPN_NEGOTIATED	1
781 #define OPENSSL_NPN_NO_OVERLAP	2
782 
783 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
784     unsigned int protos_len);
785 int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
786     unsigned int protos_len);
787 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
788     int (*cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen,
789     const unsigned char *in, unsigned int inlen, void *arg), void *arg);
790 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
791     unsigned int *len);
792 
793 #define SSL_NOTHING	1
794 #define SSL_WRITING	2
795 #define SSL_READING	3
796 #define SSL_X509_LOOKUP	4
797 
798 /* These will only be used when doing non-blocking IO */
799 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
800 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
801 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
802 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
803 
804 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
805 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
806 
807 #ifndef OPENSSL_NO_SSL_INTERN
808 struct ssl_internal_st;
809 
810 struct ssl_st {
811 	/* protocol version
812 	 * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
813 	 */
814 	int version;
815 
816 	const SSL_METHOD *method; /* SSLv3 */
817 
818 	/* There are 2 BIO's even though they are normally both the
819 	 * same.  This is so data can be read and written to different
820 	 * handlers */
821 
822 	BIO *rbio; /* used by SSL_read */
823 	BIO *wbio; /* used by SSL_write */
824 	BIO *bbio; /* used during session-id reuse to concatenate
825 		    * messages */
826 	int server;	/* are we the server side? - mostly used by SSL_clear*/
827 
828 	struct ssl3_state_st *s3; /* SSLv3 variables */
829 	struct dtls1_state_st *d1; /* DTLSv1 variables */
830 
831 	X509_VERIFY_PARAM *param;
832 
833 	/* crypto */
834 	STACK_OF(SSL_CIPHER) *cipher_list;
835 
836 	/* This is used to hold the server certificate used */
837 	struct cert_st /* CERT */ *cert;
838 
839 	/* the session_id_context is used to ensure sessions are only reused
840 	 * in the appropriate context */
841 	unsigned int sid_ctx_length;
842 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
843 
844 	/* This can also be in the session once a session is established */
845 	SSL_SESSION *session;
846 
847 	/* Used in SSL2 and SSL3 */
848 	int verify_mode;	/* 0 don't care about verify failure.
849 				 * 1 fail if verify fails */
850 	int error;		/* error bytes to be written */
851 	int error_code;		/* actual code */
852 
853 	SSL_CTX *ctx;
854 
855 	long verify_result;
856 
857 	int references;
858 
859 	int client_version;	/* what was passed, used for
860 				 * SSLv3/TLS rollback check */
861 
862 	unsigned int max_send_fragment;
863 
864 	char *tlsext_hostname;
865 
866 	/* certificate status request info */
867 	/* Status type or -1 if no status type */
868 	int tlsext_status_type;
869 
870 	SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
871 #define session_ctx initial_ctx
872 
873 	/*
874 	 * XXX really should be internal, but is
875 	 * touched unnaturally by wpa-supplicant
876 	 * and freeradius and other perversions
877 	 */
878 	EVP_CIPHER_CTX *enc_read_ctx;		/* cryptographic state */
879 	EVP_MD_CTX *read_hash;			/* used for mac generation */
880 
881 	struct ssl_internal_st *internal;
882 };
883 
884 #endif
885 
886 #ifdef __cplusplus
887 }
888 #endif
889 
890 #include <openssl/ssl2.h>
891 #include <openssl/ssl3.h>
892 #include <openssl/tls1.h>	/* This is mostly sslv3 with a few tweaks */
893 #include <openssl/dtls1.h>	/* Datagram TLS */
894 #include <openssl/ssl23.h>
895 #include <openssl/srtp.h>	/* Support for the use_srtp extension */
896 
897 #ifdef  __cplusplus
898 extern "C" {
899 #endif
900 
901 /* compatibility */
902 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
903 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
904 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
905 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
906 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
907 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
908 
909 /* The following are the possible values for ssl->state are are
910  * used to indicate where we are up to in the SSL connection establishment.
911  * The macros that follow are about the only things you should need to use
912  * and even then, only when using non-blocking IO.
913  * It can also be useful to work out where you were when the connection
914  * failed */
915 
916 #define SSL_ST_CONNECT			0x1000
917 #define SSL_ST_ACCEPT			0x2000
918 #define SSL_ST_MASK			0x0FFF
919 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
920 #define SSL_ST_BEFORE			0x4000
921 #define SSL_ST_OK			0x03
922 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
923 
924 #define SSL_CB_LOOP			0x01
925 #define SSL_CB_EXIT			0x02
926 #define SSL_CB_READ			0x04
927 #define SSL_CB_WRITE			0x08
928 #define SSL_CB_ALERT			0x4000 /* used in callback */
929 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
930 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
931 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
932 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
933 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
934 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
935 #define SSL_CB_HANDSHAKE_START		0x10
936 #define SSL_CB_HANDSHAKE_DONE		0x20
937 
938 /* Is the SSL_connection established? */
939 #define SSL_get_state(a)		(SSL_state((a)))
940 #define SSL_is_init_finished(a)		(SSL_state((a)) == SSL_ST_OK)
941 #define SSL_in_init(a)			(SSL_state((a))&SSL_ST_INIT)
942 #define SSL_in_before(a)		(SSL_state((a))&SSL_ST_BEFORE)
943 #define SSL_in_connect_init(a)		(SSL_state((a))&SSL_ST_CONNECT)
944 #define SSL_in_accept_init(a)		(SSL_state((a))&SSL_ST_ACCEPT)
945 
946 /* The following 2 states are kept in ssl->rstate when reads fail,
947  * you should not need these */
948 #define SSL_ST_READ_HEADER		0xF0
949 #define SSL_ST_READ_BODY		0xF1
950 #define SSL_ST_READ_DONE		0xF2
951 
952 /* Obtain latest Finished message
953  *   -- that we sent (SSL_get_finished)
954  *   -- that we expected from peer (SSL_get_peer_finished).
955  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
956 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
957 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
958 
959 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
960  * are 'ored' with SSL_VERIFY_PEER if they are desired */
961 #define SSL_VERIFY_NONE			0x00
962 #define SSL_VERIFY_PEER			0x01
963 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
964 #define SSL_VERIFY_CLIENT_ONCE		0x04
965 
966 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
967 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
968 
969 /* More backward compatibility */
970 #define SSL_get_cipher(s) \
971 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
972 #define SSL_get_cipher_bits(s,np) \
973 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
974 #define SSL_get_cipher_version(s) \
975 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
976 #define SSL_get_cipher_name(s) \
977 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
978 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
979 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
980 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
981 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
982 
983 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
984 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
985 
986 SSL_SESSION *PEM_read_bio_SSL_SESSION(BIO *bp, SSL_SESSION **x,
987     pem_password_cb *cb, void *u);
988 SSL_SESSION *PEM_read_SSL_SESSION(FILE *fp, SSL_SESSION **x,
989     pem_password_cb *cb, void *u);
990 int PEM_write_bio_SSL_SESSION(BIO *bp, SSL_SESSION *x);
991 int PEM_write_SSL_SESSION(FILE *fp, SSL_SESSION *x);
992 
993 #define SSL_AD_REASON_OFFSET		1000 /* offset to get SSL_R_... value from SSL_AD_... */
994 
995 /* These alert types are for SSLv3 and TLSv1 */
996 #define SSL_AD_CLOSE_NOTIFY		SSL3_AD_CLOSE_NOTIFY
997 #define SSL_AD_UNEXPECTED_MESSAGE	SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
998 #define SSL_AD_BAD_RECORD_MAC		SSL3_AD_BAD_RECORD_MAC     /* fatal */
999 #define SSL_AD_DECRYPTION_FAILED	TLS1_AD_DECRYPTION_FAILED
1000 #define SSL_AD_RECORD_OVERFLOW		TLS1_AD_RECORD_OVERFLOW
1001 #define SSL_AD_DECOMPRESSION_FAILURE	SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
1002 #define SSL_AD_HANDSHAKE_FAILURE	SSL3_AD_HANDSHAKE_FAILURE/* fatal */
1003 #define SSL_AD_NO_CERTIFICATE		SSL3_AD_NO_CERTIFICATE /* Not for TLS */
1004 #define SSL_AD_BAD_CERTIFICATE		SSL3_AD_BAD_CERTIFICATE
1005 #define SSL_AD_UNSUPPORTED_CERTIFICATE	SSL3_AD_UNSUPPORTED_CERTIFICATE
1006 #define SSL_AD_CERTIFICATE_REVOKED	SSL3_AD_CERTIFICATE_REVOKED
1007 #define SSL_AD_CERTIFICATE_EXPIRED	SSL3_AD_CERTIFICATE_EXPIRED
1008 #define SSL_AD_CERTIFICATE_UNKNOWN	SSL3_AD_CERTIFICATE_UNKNOWN
1009 #define SSL_AD_ILLEGAL_PARAMETER	SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
1010 #define SSL_AD_UNKNOWN_CA		TLS1_AD_UNKNOWN_CA	/* fatal */
1011 #define SSL_AD_ACCESS_DENIED		TLS1_AD_ACCESS_DENIED	/* fatal */
1012 #define SSL_AD_DECODE_ERROR		TLS1_AD_DECODE_ERROR	/* fatal */
1013 #define SSL_AD_DECRYPT_ERROR		TLS1_AD_DECRYPT_ERROR
1014 #define SSL_AD_EXPORT_RESTRICTION	TLS1_AD_EXPORT_RESTRICTION/* fatal */
1015 #define SSL_AD_PROTOCOL_VERSION		TLS1_AD_PROTOCOL_VERSION /* fatal */
1016 #define SSL_AD_INSUFFICIENT_SECURITY	TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1017 #define SSL_AD_INTERNAL_ERROR		TLS1_AD_INTERNAL_ERROR	/* fatal */
1018 #define SSL_AD_INAPPROPRIATE_FALLBACK	TLS1_AD_INAPPROPRIATE_FALLBACK /* fatal */
1019 #define SSL_AD_USER_CANCELLED		TLS1_AD_USER_CANCELLED
1020 #define SSL_AD_NO_RENEGOTIATION		TLS1_AD_NO_RENEGOTIATION
1021 #define SSL_AD_UNSUPPORTED_EXTENSION	TLS1_AD_UNSUPPORTED_EXTENSION
1022 #define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1023 #define SSL_AD_UNRECOGNIZED_NAME	TLS1_AD_UNRECOGNIZED_NAME
1024 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1025 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1026 #define SSL_AD_UNKNOWN_PSK_IDENTITY	TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
1027 
1028 #define SSL_ERROR_NONE			0
1029 #define SSL_ERROR_SSL			1
1030 #define SSL_ERROR_WANT_READ		2
1031 #define SSL_ERROR_WANT_WRITE		3
1032 #define SSL_ERROR_WANT_X509_LOOKUP	4
1033 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
1034 #define SSL_ERROR_ZERO_RETURN		6
1035 #define SSL_ERROR_WANT_CONNECT		7
1036 #define SSL_ERROR_WANT_ACCEPT		8
1037 
1038 #define SSL_CTRL_NEED_TMP_RSA			1
1039 #define SSL_CTRL_SET_TMP_RSA			2
1040 #define SSL_CTRL_SET_TMP_DH			3
1041 #define SSL_CTRL_SET_TMP_ECDH			4
1042 #define SSL_CTRL_SET_TMP_RSA_CB			5
1043 #define SSL_CTRL_SET_TMP_DH_CB			6
1044 #define SSL_CTRL_SET_TMP_ECDH_CB		7
1045 
1046 #define SSL_CTRL_GET_SESSION_REUSED		8
1047 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	9
1048 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		10
1049 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	11
1050 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	12
1051 #define SSL_CTRL_GET_FLAGS			13
1052 #define SSL_CTRL_EXTRA_CHAIN_CERT		14
1053 
1054 #define SSL_CTRL_SET_MSG_CALLBACK               15
1055 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1056 
1057 /* only applies to datagram connections */
1058 #define SSL_CTRL_SET_MTU                17
1059 /* Stats */
1060 #define SSL_CTRL_SESS_NUMBER			20
1061 #define SSL_CTRL_SESS_CONNECT			21
1062 #define SSL_CTRL_SESS_CONNECT_GOOD		22
1063 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
1064 #define SSL_CTRL_SESS_ACCEPT			24
1065 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
1066 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
1067 #define SSL_CTRL_SESS_HIT			27
1068 #define SSL_CTRL_SESS_CB_HIT			28
1069 #define SSL_CTRL_SESS_MISSES			29
1070 #define SSL_CTRL_SESS_TIMEOUTS			30
1071 #define SSL_CTRL_SESS_CACHE_FULL		31
1072 #define SSL_CTRL_OPTIONS			32
1073 #define SSL_CTRL_MODE				33
1074 
1075 #define SSL_CTRL_GET_READ_AHEAD			40
1076 #define SSL_CTRL_SET_READ_AHEAD			41
1077 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
1078 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
1079 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
1080 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
1081 
1082 #define SSL_CTRL_GET_MAX_CERT_LIST		50
1083 #define SSL_CTRL_SET_MAX_CERT_LIST		51
1084 
1085 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT		52
1086 
1087 /* see tls1.h for macros based on these */
1088 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB	53
1089 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG	54
1090 #define SSL_CTRL_SET_TLSEXT_HOSTNAME		55
1091 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB		56
1092 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG		57
1093 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS		58
1094 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS		59
1095 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB	128
1096 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB	63
1097 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG	129
1098 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG	64
1099 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE	65
1100 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS	66
1101 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS	67
1102 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS	68
1103 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS	69
1104 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP	70
1105 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP	71
1106 
1107 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB	72
1108 
1109 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB	75
1110 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB		76
1111 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB		77
1112 
1113 #define SSL_CTRL_SET_SRP_ARG		78
1114 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME		79
1115 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH		80
1116 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD		81
1117 
1118 #define DTLS_CTRL_GET_TIMEOUT		73
1119 #define DTLS_CTRL_HANDLE_TIMEOUT	74
1120 #define DTLS_CTRL_LISTEN			75
1121 
1122 #define SSL_CTRL_GET_RI_SUPPORT			76
1123 #define SSL_CTRL_CLEAR_OPTIONS			77
1124 #define SSL_CTRL_CLEAR_MODE			78
1125 
1126 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS		82
1127 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS	83
1128 
1129 #define	SSL_CTRL_CHAIN					88
1130 #define	SSL_CTRL_CHAIN_CERT				89
1131 
1132 #define SSL_CTRL_SET_GROUPS				91
1133 #define SSL_CTRL_SET_GROUPS_LIST			92
1134 
1135 #define SSL_CTRL_SET_ECDH_AUTO			94
1136 
1137 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1138 #define SSL_CTRL_GET_PEER_TMP_KEY			109
1139 #define SSL_CTRL_GET_SERVER_TMP_KEY SSL_CTRL_GET_PEER_TMP_KEY
1140 #else
1141 #define SSL_CTRL_GET_SERVER_TMP_KEY		109
1142 #endif
1143 
1144 #define	SSL_CTRL_GET_CHAIN_CERTS			115
1145 
1146 #define SSL_CTRL_SET_DH_AUTO			118
1147 
1148 #define SSL_CTRL_SET_MIN_PROTO_VERSION			123
1149 #define SSL_CTRL_SET_MAX_PROTO_VERSION			124
1150 #define SSL_CTRL_GET_MIN_PROTO_VERSION			130
1151 #define SSL_CTRL_GET_MAX_PROTO_VERSION			131
1152 
1153 #define DTLSv1_get_timeout(ssl, arg) \
1154 	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1155 #define DTLSv1_handle_timeout(ssl) \
1156 	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1157 #define DTLSv1_listen(ssl, peer) \
1158 	SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1159 
1160 #define SSL_session_reused(ssl) \
1161 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1162 #define SSL_num_renegotiations(ssl) \
1163 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1164 #define SSL_clear_num_renegotiations(ssl) \
1165 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1166 #define SSL_total_renegotiations(ssl) \
1167 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1168 
1169 #define SSL_CTX_need_tmp_RSA(ctx) \
1170 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1171 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1172 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1173 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1174 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1175 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1176 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1177 #define SSL_CTX_set_dh_auto(ctx, onoff) \
1178 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1179 #define SSL_CTX_set_ecdh_auto(ctx, onoff) \
1180 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1181 
1182 #define SSL_need_tmp_RSA(ssl) \
1183 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1184 #define SSL_set_tmp_rsa(ssl,rsa) \
1185 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1186 #define SSL_set_tmp_dh(ssl,dh) \
1187 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1188 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1189 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1190 #define SSL_set_dh_auto(s, onoff) \
1191 	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1192 #define SSL_set_ecdh_auto(s, onoff) \
1193 	SSL_ctrl(s,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1194 
1195 int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1196 int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1197 int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509);
1198 int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509);
1199 int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain);
1200 int SSL_CTX_clear_chain_certs(SSL_CTX *ctx);
1201 
1202 int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain);
1203 int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain);
1204 int SSL_add0_chain_cert(SSL *ssl, X509 *x509);
1205 int SSL_add1_chain_cert(SSL *ssl, X509 *x509);
1206 int SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain);
1207 int SSL_clear_chain_certs(SSL *ssl);
1208 
1209 int SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len);
1210 int SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups);
1211 
1212 int SSL_set1_groups(SSL *ssl, const int *groups, size_t groups_len);
1213 int SSL_set1_groups_list(SSL *ssl, const char *groups);
1214 
1215 int SSL_CTX_get_min_proto_version(SSL_CTX *ctx);
1216 int SSL_CTX_get_max_proto_version(SSL_CTX *ctx);
1217 int SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version);
1218 int SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version);
1219 
1220 int SSL_get_min_proto_version(SSL *ssl);
1221 int SSL_get_max_proto_version(SSL *ssl);
1222 int SSL_set_min_proto_version(SSL *ssl, uint16_t version);
1223 int SSL_set_max_proto_version(SSL *ssl, uint16_t version);
1224 
1225 #ifndef LIBRESSL_INTERNAL
1226 #define SSL_CTRL_SET_CURVES			SSL_CTRL_SET_GROUPS
1227 #define SSL_CTRL_SET_CURVES_LIST		SSL_CTRL_SET_GROUPS_LIST
1228 
1229 #define SSL_CTX_set1_curves SSL_CTX_set1_groups
1230 #define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1231 #define SSL_set1_curves SSL_set1_groups
1232 #define SSL_set1_curves_list SSL_set1_groups_list
1233 #endif
1234 
1235 #define SSL_CTX_add_extra_chain_cert(ctx, x509) \
1236 	SSL_CTX_ctrl(ctx, SSL_CTRL_EXTRA_CHAIN_CERT, 0, (char *)x509)
1237 #define SSL_CTX_get_extra_chain_certs(ctx, px509) \
1238 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 0, px509)
1239 #define SSL_CTX_get_extra_chain_certs_only(ctx, px509) \
1240 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 1, px509)
1241 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1242 	SSL_CTX_ctrl(ctx, SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS, 0, NULL)
1243 
1244 #define SSL_get_server_tmp_key(s, pk) \
1245 	SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1246 
1247 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1248 #define SSL_get_peer_tmp_key(s, pk) \
1249 	SSL_ctrl(s, SSL_CTRL_GET_PEER_TMP_KEY, 0, pk)
1250 #endif /* LIBRESSL_HAS_TLS1_3 || LIBRESSL_INTERNAL */
1251 
1252 #ifndef LIBRESSL_INTERNAL
1253 /*
1254  * Also provide those functions as macros for compatibility with
1255  * existing users.
1256  */
1257 #define SSL_CTX_set0_chain		SSL_CTX_set0_chain
1258 #define SSL_CTX_set1_chain		SSL_CTX_set1_chain
1259 #define SSL_CTX_add0_chain_cert		SSL_CTX_add0_chain_cert
1260 #define SSL_CTX_add1_chain_cert		SSL_CTX_add1_chain_cert
1261 #define SSL_CTX_get0_chain_certs	SSL_CTX_get0_chain_certs
1262 #define SSL_CTX_clear_chain_certs	SSL_CTX_clear_chain_certs
1263 
1264 #define SSL_add0_chain_cert		SSL_add0_chain_cert
1265 #define SSL_add1_chain_cert		SSL_add1_chain_cert
1266 #define SSL_set0_chain			SSL_set0_chain
1267 #define SSL_set1_chain			SSL_set1_chain
1268 #define SSL_get0_chain_certs		SSL_get0_chain_certs
1269 #define SSL_clear_chain_certs		SSL_clear_chain_certs
1270 
1271 #define SSL_CTX_set1_groups		SSL_CTX_set1_groups
1272 #define SSL_CTX_set1_groups_list	SSL_CTX_set1_groups_list
1273 #define SSL_set1_groups			SSL_set1_groups
1274 #define SSL_set1_groups_list		SSL_set1_groups_list
1275 
1276 #define SSL_CTX_get_min_proto_version	SSL_CTX_get_min_proto_version
1277 #define SSL_CTX_get_max_proto_version	SSL_CTX_get_max_proto_version
1278 #define SSL_CTX_set_min_proto_version	SSL_CTX_set_min_proto_version
1279 #define SSL_CTX_set_max_proto_version	SSL_CTX_set_max_proto_version
1280 
1281 #define SSL_get_min_proto_version	SSL_get_min_proto_version
1282 #define SSL_get_max_proto_version	SSL_get_max_proto_version
1283 #define SSL_set_min_proto_version	SSL_set_min_proto_version
1284 #define SSL_set_max_proto_version	SSL_set_max_proto_version
1285 #endif
1286 
1287 const BIO_METHOD *BIO_f_ssl(void);
1288 BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1289 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1290 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1291 int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1292 void BIO_ssl_shutdown(BIO *ssl_bio);
1293 
1294 STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1295 int	SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1296 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1297 int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1298 #endif
1299 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1300 void	SSL_CTX_free(SSL_CTX *);
1301 int SSL_CTX_up_ref(SSL_CTX *ctx);
1302 long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1303 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1304 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1305 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1306 X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1307 int SSL_want(const SSL *s);
1308 int	SSL_clear(SSL *s);
1309 
1310 void	SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1311 
1312 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1313 const SSL_CIPHER *SSL_CIPHER_get_by_id(unsigned int id);
1314 const SSL_CIPHER *SSL_CIPHER_get_by_value(uint16_t value);
1315 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1316 const char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1317 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1318 unsigned long 	SSL_CIPHER_get_id(const SSL_CIPHER *c);
1319 uint16_t SSL_CIPHER_get_value(const SSL_CIPHER *c);
1320 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1321 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1322 int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1323 int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1324 int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1325 
1326 int	SSL_get_fd(const SSL *s);
1327 int	SSL_get_rfd(const SSL *s);
1328 int	SSL_get_wfd(const SSL *s);
1329 const char  * SSL_get_cipher_list(const SSL *s, int n);
1330 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1331 int	SSL_get_read_ahead(const SSL * s);
1332 int	SSL_pending(const SSL *s);
1333 int	SSL_set_fd(SSL *s, int fd);
1334 int	SSL_set_rfd(SSL *s, int fd);
1335 int	SSL_set_wfd(SSL *s, int fd);
1336 void	SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1337 BIO *	SSL_get_rbio(const SSL *s);
1338 BIO *	SSL_get_wbio(const SSL *s);
1339 int	SSL_set_cipher_list(SSL *s, const char *str);
1340 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1341 int	SSL_set_ciphersuites(SSL *s, const char *str);
1342 #endif
1343 void	SSL_set_read_ahead(SSL *s, int yes);
1344 int	SSL_get_verify_mode(const SSL *s);
1345 int	SSL_get_verify_depth(const SSL *s);
1346 int	(*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *);
1347 void	SSL_set_verify(SSL *s, int mode,
1348 	    int (*callback)(int ok, X509_STORE_CTX *ctx));
1349 void	SSL_set_verify_depth(SSL *s, int depth);
1350 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1351 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len);
1352 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1353 int	SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, long len);
1354 int	SSL_use_certificate(SSL *ssl, X509 *x);
1355 int	SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1356 
1357 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1358 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1359 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1360 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1361 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1362 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1363 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1364 int	SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len);
1365 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1366 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1367 	    const char *file);
1368 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1369 	    const char *dir);
1370 
1371 void	SSL_load_error_strings(void );
1372 const char *SSL_state_string(const SSL *s);
1373 const char *SSL_rstate_string(const SSL *s);
1374 const char *SSL_state_string_long(const SSL *s);
1375 const char *SSL_rstate_string_long(const SSL *s);
1376 size_t	SSL_SESSION_get_master_key(const SSL_SESSION *ss,
1377 	    unsigned char *out, size_t max_out);
1378 int	SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1379 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1380 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1381 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1382 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1383 int	SSL_copy_session_id(SSL *to, const SSL *from);
1384 X509	*SSL_SESSION_get0_peer(SSL_SESSION *s);
1385 int	SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1386 	    unsigned int sid_len);
1387 int	SSL_SESSION_set1_id_context(SSL_SESSION *s,
1388 	    const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1389 
1390 SSL_SESSION *SSL_SESSION_new(void);
1391 void	SSL_SESSION_free(SSL_SESSION *ses);
1392 int	SSL_SESSION_up_ref(SSL_SESSION *ss);
1393 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *ss,
1394 	    unsigned int *len);
1395 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *ss,
1396 	    unsigned int *len);
1397 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1398 uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *sess);
1399 int SSL_SESSION_set_max_early_data(SSL_SESSION *sess, uint32_t max_early_data);
1400 #endif
1401 unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1402 int	SSL_SESSION_has_ticket(const SSL_SESSION *s);
1403 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *ss);
1404 int	SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1405 int	SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1406 int	i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
1407 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1408 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1409 int	SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c);
1410 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1411 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1412 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1413 	    unsigned int id_len);
1414 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1415 	    long length);
1416 
1417 #ifdef HEADER_X509_H
1418 X509 *	SSL_get_peer_certificate(const SSL *s);
1419 #endif
1420 
1421 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1422 
1423 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1424 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1425 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *);
1426 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
1427     int (*callback)(int, X509_STORE_CTX *));
1428 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1429 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *, void *), void *arg);
1430 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1431 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1432 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1433 int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, const unsigned char *d, long len);
1434 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1435 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1436 
1437 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1438 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1439 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1440 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1441 
1442 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1443 int SSL_check_private_key(const SSL *ctx);
1444 
1445 int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1446 
1447 int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1448 
1449 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1450 int SSL_set_purpose(SSL *s, int purpose);
1451 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1452 int SSL_set_trust(SSL *s, int trust);
1453 int SSL_set1_host(SSL *s, const char *hostname);
1454 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1455 void SSL_set_hostflags(SSL *s, unsigned int flags);
1456 const char *SSL_get0_peername(SSL *s);
1457 #endif
1458 
1459 X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1460 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1461 X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1462 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1463 
1464 SSL *SSL_new(SSL_CTX *ctx);
1465 void	SSL_free(SSL *ssl);
1466 int	SSL_up_ref(SSL *ssl);
1467 int 	SSL_accept(SSL *ssl);
1468 int 	SSL_connect(SSL *ssl);
1469 #ifdef LIBRESSL_INTERNAL
1470 int	SSL_is_dtls(const SSL *s);
1471 #endif
1472 int	SSL_is_server(const SSL *s);
1473 int 	SSL_read(SSL *ssl, void *buf, int num);
1474 int 	SSL_peek(SSL *ssl, void *buf, int num);
1475 int 	SSL_write(SSL *ssl, const void *buf, int num);
1476 
1477 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1478 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
1479 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
1480 
1481 uint32_t SSL_get_max_early_data(const SSL *s);
1482 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
1483 
1484 #define SSL_EARLY_DATA_NOT_SENT		0
1485 #define SSL_EARLY_DATA_REJECTED		1
1486 #define SSL_EARLY_DATA_ACCEPTED		2
1487 int SSL_get_early_data_status(const SSL *s);
1488 
1489 #define SSL_READ_EARLY_DATA_ERROR	0
1490 #define SSL_READ_EARLY_DATA_SUCCESS	1
1491 #define SSL_READ_EARLY_DATA_FINISH	2
1492 int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes);
1493 int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written);
1494 #endif
1495 
1496 long	SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1497 long	SSL_callback_ctrl(SSL *, int, void (*)(void));
1498 long	SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1499 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1500 
1501 int	SSL_get_error(const SSL *s, int ret_code);
1502 const char *SSL_get_version(const SSL *s);
1503 
1504 /* This sets the 'default' SSL version that SSL_new() will create */
1505 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1506 
1507 const SSL_METHOD *SSLv23_method(void);		/* SSLv3 or TLSv1.* */
1508 const SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 or TLSv1.* */
1509 const SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 or TLSv1.* */
1510 
1511 const SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
1512 const SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
1513 const SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
1514 
1515 const SSL_METHOD *TLSv1_1_method(void);		/* TLSv1.1 */
1516 const SSL_METHOD *TLSv1_1_server_method(void);	/* TLSv1.1 */
1517 const SSL_METHOD *TLSv1_1_client_method(void);	/* TLSv1.1 */
1518 
1519 const SSL_METHOD *TLSv1_2_method(void);		/* TLSv1.2 */
1520 const SSL_METHOD *TLSv1_2_server_method(void);	/* TLSv1.2 */
1521 const SSL_METHOD *TLSv1_2_client_method(void);	/* TLSv1.2 */
1522 
1523 const SSL_METHOD *TLS_method(void);		/* TLS v1.0 or later */
1524 const SSL_METHOD *TLS_server_method(void);	/* TLS v1.0 or later */
1525 const SSL_METHOD *TLS_client_method(void);	/* TLS v1.0 or later */
1526 
1527 const SSL_METHOD *DTLSv1_method(void);		/* DTLSv1.0 */
1528 const SSL_METHOD *DTLSv1_server_method(void);	/* DTLSv1.0 */
1529 const SSL_METHOD *DTLSv1_client_method(void);	/* DTLSv1.0 */
1530 
1531 #if defined(LIBRESSL_HAS_DTLS1_2) || defined(LIBRESSL_INTERNAL)
1532 const SSL_METHOD *DTLSv1_2_method(void);	/* DTLSv1.2 */
1533 const SSL_METHOD *DTLSv1_2_server_method(void);	/* DTLSv1.2 */
1534 const SSL_METHOD *DTLSv1_2_client_method(void);	/* DTLSv1.2 */
1535 #endif
1536 
1537 const SSL_METHOD *DTLS_method(void);		/* DTLS v1.0 or later */
1538 const SSL_METHOD *DTLS_server_method(void);	/* DTLS v1.0 or later */
1539 const SSL_METHOD *DTLS_client_method(void);	/* DTLS v1.0 or later */
1540 
1541 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1542 STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1543 STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1544 
1545 int SSL_do_handshake(SSL *s);
1546 int SSL_renegotiate(SSL *s);
1547 int SSL_renegotiate_abbreviated(SSL *s);
1548 int SSL_renegotiate_pending(SSL *s);
1549 int SSL_shutdown(SSL *s);
1550 
1551 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1552 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1553 const char *SSL_alert_type_string_long(int value);
1554 const char *SSL_alert_type_string(int value);
1555 const char *SSL_alert_desc_string_long(int value);
1556 const char *SSL_alert_desc_string(int value);
1557 
1558 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1559 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1560 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1561 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1562 int SSL_add_client_CA(SSL *ssl, X509 *x);
1563 int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1564 
1565 void SSL_set_connect_state(SSL *s);
1566 void SSL_set_accept_state(SSL *s);
1567 
1568 long SSL_get_default_timeout(const SSL *s);
1569 
1570 int SSL_library_init(void );
1571 
1572 char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1573 STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1574 
1575 SSL *SSL_dup(SSL *ssl);
1576 
1577 X509 *SSL_get_certificate(const SSL *ssl);
1578 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1579 
1580 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1581 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1582 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1583 int SSL_get_quiet_shutdown(const SSL *ssl);
1584 void SSL_set_shutdown(SSL *ssl,int mode);
1585 int SSL_get_shutdown(const SSL *ssl);
1586 int SSL_version(const SSL *ssl);
1587 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1588 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1589     const char *CApath);
1590 int SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len);
1591 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1592 SSL_SESSION *SSL_get_session(const SSL *ssl);
1593 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1594 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1595 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1596 void SSL_set_info_callback(SSL *ssl,
1597     void (*cb)(const SSL *ssl, int type, int val));
1598 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val);
1599 int SSL_state(const SSL *ssl);
1600 void SSL_set_state(SSL *ssl, int state);
1601 
1602 void SSL_set_verify_result(SSL *ssl, long v);
1603 long SSL_get_verify_result(const SSL *ssl);
1604 
1605 int SSL_set_ex_data(SSL *ssl, int idx, void *data);
1606 void *SSL_get_ex_data(const SSL *ssl, int idx);
1607 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1608     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1609 
1610 int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
1611 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
1612 int SSL_SESSION_get_ex_new_index(long argl, void *argp,
1613     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
1614     CRYPTO_EX_free *free_func);
1615 
1616 int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
1617 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
1618 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1619     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1620 
1621 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1622 
1623 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1624 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1625 #define SSL_CTX_sess_get_cache_size(ctx) \
1626 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1627 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1628 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1629 #define SSL_CTX_get_session_cache_mode(ctx) \
1630 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1631 
1632 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1633 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1634 #define SSL_CTX_get_read_ahead(ctx) \
1635 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1636 #define SSL_CTX_set_read_ahead(ctx,m) \
1637 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1638 #define SSL_CTX_get_max_cert_list(ctx) \
1639 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1640 #define SSL_CTX_set_max_cert_list(ctx,m) \
1641 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1642 #define SSL_get_max_cert_list(ssl) \
1643 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1644 #define SSL_set_max_cert_list(ssl,m) \
1645 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1646 
1647 #define SSL_CTX_set_max_send_fragment(ctx,m) \
1648 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1649 #define SSL_set_max_send_fragment(ssl,m) \
1650 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1651 
1652 /* NB: the keylength is only applicable when is_export is true */
1653 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
1654     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1655 
1656 void SSL_set_tmp_rsa_callback(SSL *ssl,
1657     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1658 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1659     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1660 void SSL_set_tmp_dh_callback(SSL *ssl,
1661     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1662 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
1663     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1664 void SSL_set_tmp_ecdh_callback(SSL *ssl,
1665     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1666 
1667 size_t SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out);
1668 size_t SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out);
1669 
1670 const void *SSL_get_current_compression(SSL *s);
1671 const void *SSL_get_current_expansion(SSL *s);
1672 
1673 const char *SSL_COMP_get_name(const void *comp);
1674 void *SSL_COMP_get_compression_methods(void);
1675 int SSL_COMP_add_compression_method(int id, void *cm);
1676 
1677 /* TLS extensions functions */
1678 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
1679 
1680 int SSL_set_session_ticket_ext_cb(SSL *s,
1681     tls_session_ticket_ext_cb_fn cb, void *arg);
1682 
1683 /* Pre-shared secret session resumption functions */
1684 int SSL_set_session_secret_cb(SSL *s,
1685     tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
1686 
1687 void SSL_set_debug(SSL *s, int debug);
1688 int SSL_cache_hit(SSL *s);
1689 
1690 /* BEGIN ERROR CODES */
1691 /* The following lines are auto generated by the script mkerr.pl. Any changes
1692  * made after this point may be overwritten when the script is next run.
1693  */
1694 void ERR_load_SSL_strings(void);
1695 
1696 /* Error codes for the SSL functions. */
1697 
1698 /* Function codes. */
1699 #define SSL_F_CLIENT_CERTIFICATE			 100
1700 #define SSL_F_CLIENT_FINISHED				 167
1701 #define SSL_F_CLIENT_HELLO				 101
1702 #define SSL_F_CLIENT_MASTER_KEY				 102
1703 #define SSL_F_D2I_SSL_SESSION				 103
1704 #define SSL_F_DO_DTLS1_WRITE				 245
1705 #define SSL_F_DO_SSL3_WRITE				 104
1706 #define SSL_F_DTLS1_ACCEPT				 246
1707 #define SSL_F_DTLS1_ADD_CERT_TO_BUF			 295
1708 #define SSL_F_DTLS1_BUFFER_RECORD			 247
1709 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM			 316
1710 #define SSL_F_DTLS1_CLIENT_HELLO			 248
1711 #define SSL_F_DTLS1_CONNECT				 249
1712 #define SSL_F_DTLS1_ENC					 250
1713 #define SSL_F_DTLS1_GET_HELLO_VERIFY			 251
1714 #define SSL_F_DTLS1_GET_MESSAGE				 252
1715 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT		 253
1716 #define SSL_F_DTLS1_GET_RECORD				 254
1717 #define SSL_F_DTLS1_HANDLE_TIMEOUT			 297
1718 #define SSL_F_DTLS1_HEARTBEAT				 305
1719 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN			 255
1720 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT			 288
1721 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE		 256
1722 #define SSL_F_DTLS1_PROCESS_RECORD			 257
1723 #define SSL_F_DTLS1_READ_BYTES				 258
1724 #define SSL_F_DTLS1_READ_FAILED				 259
1725 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST		 260
1726 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE		 261
1727 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE		 262
1728 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY			 263
1729 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST		 264
1730 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE		 265
1731 #define SSL_F_DTLS1_SEND_SERVER_HELLO			 266
1732 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE		 267
1733 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES		 268
1734 #define SSL_F_GET_CLIENT_FINISHED			 105
1735 #define SSL_F_GET_CLIENT_HELLO				 106
1736 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
1737 #define SSL_F_GET_SERVER_FINISHED			 108
1738 #define SSL_F_GET_SERVER_HELLO				 109
1739 #define SSL_F_GET_SERVER_VERIFY				 110
1740 #define SSL_F_I2D_SSL_SESSION				 111
1741 #define SSL_F_READ_N					 112
1742 #define SSL_F_REQUEST_CERTIFICATE			 113
1743 #define SSL_F_SERVER_FINISH				 239
1744 #define SSL_F_SERVER_HELLO				 114
1745 #define SSL_F_SERVER_VERIFY				 240
1746 #define SSL_F_SSL23_ACCEPT				 115
1747 #define SSL_F_SSL23_CLIENT_HELLO			 116
1748 #define SSL_F_SSL23_CONNECT				 117
1749 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
1750 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
1751 #define SSL_F_SSL23_PEEK				 237
1752 #define SSL_F_SSL23_READ				 120
1753 #define SSL_F_SSL23_WRITE				 121
1754 #define SSL_F_SSL2_ACCEPT				 122
1755 #define SSL_F_SSL2_CONNECT				 123
1756 #define SSL_F_SSL2_ENC_INIT				 124
1757 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
1758 #define SSL_F_SSL2_PEEK					 234
1759 #define SSL_F_SSL2_READ					 125
1760 #define SSL_F_SSL2_READ_INTERNAL			 236
1761 #define SSL_F_SSL2_SET_CERTIFICATE			 126
1762 #define SSL_F_SSL2_WRITE				 127
1763 #define SSL_F_SSL3_ACCEPT				 128
1764 #define SSL_F_SSL3_ADD_CERT_TO_BUF			 296
1765 #define SSL_F_SSL3_CALLBACK_CTRL			 233
1766 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
1767 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
1768 #define SSL_F_SSL3_CHECK_CLIENT_HELLO			 304
1769 #define SSL_F_SSL3_CLIENT_HELLO				 131
1770 #define SSL_F_SSL3_CONNECT				 132
1771 #define SSL_F_SSL3_CTRL					 213
1772 #define SSL_F_SSL3_CTX_CTRL				 133
1773 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS		 293
1774 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC		 292
1775 #define SSL_F_SSL3_ENC					 134
1776 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
1777 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
1778 #define SSL_F_SSL3_GET_CERT_STATUS			 289
1779 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
1780 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
1781 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
1782 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
1783 #define SSL_F_SSL3_GET_FINISHED				 140
1784 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
1785 #define SSL_F_SSL3_GET_MESSAGE				 142
1786 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET		 283
1787 #define SSL_F_SSL3_GET_NEXT_PROTO			 306
1788 #define SSL_F_SSL3_GET_RECORD				 143
1789 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
1790 #define SSL_F_SSL3_GET_SERVER_DONE			 145
1791 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
1792 #define SSL_F_SSL3_HANDSHAKE_MAC			 285
1793 #define SSL_F_SSL3_NEW_SESSION_TICKET			 287
1794 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
1795 #define SSL_F_SSL3_PEEK					 235
1796 #define SSL_F_SSL3_READ_BYTES				 148
1797 #define SSL_F_SSL3_READ_N				 149
1798 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
1799 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
1800 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
1801 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
1802 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
1803 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
1804 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
1805 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
1806 #define SSL_F_SSL3_SETUP_READ_BUFFER			 156
1807 #define SSL_F_SSL3_SETUP_WRITE_BUFFER			 291
1808 #define SSL_F_SSL3_WRITE_BYTES				 158
1809 #define SSL_F_SSL3_WRITE_PENDING			 159
1810 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT	 298
1811 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT		 277
1812 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT		 307
1813 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
1814 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
1815 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT	 299
1816 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT		 278
1817 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT		 308
1818 #define SSL_F_SSL_BAD_METHOD				 160
1819 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
1820 #define SSL_F_SSL_CERT_DUP				 221
1821 #define SSL_F_SSL_CERT_INST				 222
1822 #define SSL_F_SSL_CERT_INSTANTIATE			 214
1823 #define SSL_F_SSL_CERT_NEW				 162
1824 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
1825 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT		 280
1826 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG		 279
1827 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
1828 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
1829 #define SSL_F_SSL_CLEAR					 164
1830 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
1831 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
1832 #define SSL_F_SSL_CTRL					 232
1833 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
1834 #define SSL_F_SSL_CTX_MAKE_PROFILES			 309
1835 #define SSL_F_SSL_CTX_NEW				 169
1836 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
1837 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE		 290
1838 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
1839 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
1840 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
1841 #define SSL_F_SSL_CTX_SET_TRUST				 229
1842 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
1843 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
1844 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
1845 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
1846 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
1847 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
1848 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
1849 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT		 272
1850 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
1851 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
1852 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
1853 #define SSL_F_SSL_DO_HANDSHAKE				 180
1854 #define SSL_F_SSL_GET_NEW_SESSION			 181
1855 #define SSL_F_SSL_GET_PREV_SESSION			 217
1856 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
1857 #define SSL_F_SSL_GET_SERVER_SEND_PKEY			 317
1858 #define SSL_F_SSL_GET_SIGN_PKEY				 183
1859 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
1860 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
1861 #define SSL_F_SSL_NEW					 186
1862 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT	 300
1863 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT		 302
1864 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT	 310
1865 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT	 301
1866 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT		 303
1867 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT	 311
1868 #define SSL_F_SSL_PEEK					 270
1869 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT		 281
1870 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT		 282
1871 #define SSL_F_SSL_READ					 223
1872 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
1873 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
1874 #define SSL_F_SSL_SESSION_NEW				 189
1875 #define SSL_F_SSL_SESSION_PRINT_FP			 190
1876 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT		 312
1877 #define SSL_F_SSL_SESS_CERT_NEW				 225
1878 #define SSL_F_SSL_SET_CERT				 191
1879 #define SSL_F_SSL_SET_CIPHER_LIST			 271
1880 #define SSL_F_SSL_SET_FD				 192
1881 #define SSL_F_SSL_SET_PKEY				 193
1882 #define SSL_F_SSL_SET_PURPOSE				 227
1883 #define SSL_F_SSL_SET_RFD				 194
1884 #define SSL_F_SSL_SET_SESSION				 195
1885 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
1886 #define SSL_F_SSL_SET_SESSION_TICKET_EXT		 294
1887 #define SSL_F_SSL_SET_TRUST				 228
1888 #define SSL_F_SSL_SET_WFD				 196
1889 #define SSL_F_SSL_SHUTDOWN				 224
1890 #define SSL_F_SSL_SRP_CTX_INIT				 313
1891 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
1892 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
1893 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION		 244
1894 #define SSL_F_SSL_USE_CERTIFICATE			 198
1895 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
1896 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
1897 #define SSL_F_SSL_USE_PRIVATEKEY			 201
1898 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
1899 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
1900 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT			 273
1901 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
1902 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
1903 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
1904 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
1905 #define SSL_F_SSL_WRITE					 208
1906 #define SSL_F_TLS1_AEAD_CTX_INIT			 339
1907 #define SSL_F_TLS1_CERT_VERIFY_MAC			 286
1908 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
1909 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_AEAD		 340
1910 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_CIPHER		 338
1911 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT		 274
1912 #define SSL_F_TLS1_ENC					 210
1913 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL		 314
1914 #define SSL_F_TLS1_HEARTBEAT				 315
1915 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT		 275
1916 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT		 276
1917 #define SSL_F_TLS1_PRF					 284
1918 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
1919 #define SSL_F_WRITE_PENDING				 212
1920 
1921 /* Reason codes. */
1922 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
1923 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
1924 #define SSL_R_BAD_ALERT_RECORD				 101
1925 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
1926 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
1927 #define SSL_R_BAD_CHECKSUM				 104
1928 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
1929 #define SSL_R_BAD_DECOMPRESSION				 107
1930 #define SSL_R_BAD_DH_G_LENGTH				 108
1931 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
1932 #define SSL_R_BAD_DH_P_LENGTH				 110
1933 #define SSL_R_BAD_DIGEST_LENGTH				 111
1934 #define SSL_R_BAD_DSA_SIGNATURE				 112
1935 #define SSL_R_BAD_ECC_CERT				 304
1936 #define SSL_R_BAD_ECDSA_SIGNATURE			 305
1937 #define SSL_R_BAD_ECPOINT				 306
1938 #define SSL_R_BAD_HANDSHAKE_LENGTH			 332
1939 #define SSL_R_BAD_HELLO_REQUEST				 105
1940 #define SSL_R_BAD_LENGTH				 271
1941 #define SSL_R_BAD_MAC_DECODE				 113
1942 #define SSL_R_BAD_MAC_LENGTH				 333
1943 #define SSL_R_BAD_MESSAGE_TYPE				 114
1944 #define SSL_R_BAD_PACKET_LENGTH				 115
1945 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
1946 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH		 316
1947 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
1948 #define SSL_R_BAD_RSA_DECRYPT				 118
1949 #define SSL_R_BAD_RSA_ENCRYPT				 119
1950 #define SSL_R_BAD_RSA_E_LENGTH				 120
1951 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
1952 #define SSL_R_BAD_RSA_SIGNATURE				 122
1953 #define SSL_R_BAD_SIGNATURE				 123
1954 #define SSL_R_BAD_SRP_A_LENGTH				 347
1955 #define SSL_R_BAD_SRP_B_LENGTH				 348
1956 #define SSL_R_BAD_SRP_G_LENGTH				 349
1957 #define SSL_R_BAD_SRP_N_LENGTH				 350
1958 #define SSL_R_BAD_SRP_S_LENGTH				 351
1959 #define SSL_R_BAD_SRTP_MKI_VALUE			 352
1960 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST		 353
1961 #define SSL_R_BAD_SSL_FILETYPE				 124
1962 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
1963 #define SSL_R_BAD_STATE					 126
1964 #define SSL_R_BAD_WRITE_RETRY				 127
1965 #define SSL_R_BIO_NOT_SET				 128
1966 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
1967 #define SSL_R_BN_LIB					 130
1968 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
1969 #define SSL_R_CA_DN_TOO_LONG				 132
1970 #define SSL_R_CCS_RECEIVED_EARLY			 133
1971 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
1972 #define SSL_R_CERT_LENGTH_MISMATCH			 135
1973 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
1974 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
1975 #define SSL_R_CIPHER_COMPRESSION_UNAVAILABLE		 371
1976 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
1977 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
1978 #define SSL_R_CLIENTHELLO_TLSEXT			 226
1979 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
1980 #define SSL_R_COMPRESSION_DISABLED			 343
1981 #define SSL_R_COMPRESSION_FAILURE			 141
1982 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE	 307
1983 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
1984 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
1985 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
1986 #define SSL_R_COOKIE_MISMATCH				 308
1987 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
1988 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
1989 #define SSL_R_DECRYPTION_FAILED				 147
1990 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
1991 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
1992 #define SSL_R_DIGEST_CHECK_FAILED			 149
1993 #define SSL_R_DTLS_MESSAGE_TOO_BIG			 334
1994 #define SSL_R_DUPLICATE_COMPRESSION_ID			 309
1995 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT		 317
1996 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING			 318
1997 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE	 322
1998 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE	 323
1999 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER		 310
2000 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST	 354
2001 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
2002 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
2003 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
2004 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
2005 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
2006 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
2007 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS		 355
2008 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION		 356
2009 #define SSL_R_HTTPS_PROXY_REQUEST			 155
2010 #define SSL_R_HTTP_REQUEST				 156
2011 #define SSL_R_ILLEGAL_PADDING				 283
2012 #define SSL_R_INAPPROPRIATE_FALLBACK			 373
2013 #define SSL_R_INCONSISTENT_COMPRESSION			 340
2014 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
2015 #define SSL_R_INVALID_COMMAND				 280
2016 #define SSL_R_INVALID_COMPRESSION_ALGORITHM		 341
2017 #define SSL_R_INVALID_PURPOSE				 278
2018 #define SSL_R_INVALID_SRP_USERNAME			 357
2019 #define SSL_R_INVALID_STATUS_RESPONSE			 328
2020 #define SSL_R_INVALID_TICKET_KEYS_LENGTH		 325
2021 #define SSL_R_INVALID_TRUST				 279
2022 #define SSL_R_KEY_ARG_TOO_LONG				 284
2023 #define SSL_R_KRB5					 285
2024 #define SSL_R_KRB5_C_CC_PRINC				 286
2025 #define SSL_R_KRB5_C_GET_CRED				 287
2026 #define SSL_R_KRB5_C_INIT				 288
2027 #define SSL_R_KRB5_C_MK_REQ				 289
2028 #define SSL_R_KRB5_S_BAD_TICKET				 290
2029 #define SSL_R_KRB5_S_INIT				 291
2030 #define SSL_R_KRB5_S_RD_REQ				 292
2031 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
2032 #define SSL_R_KRB5_S_TKT_NYV				 294
2033 #define SSL_R_KRB5_S_TKT_SKEW				 295
2034 #define SSL_R_LENGTH_MISMATCH				 159
2035 #define SSL_R_LENGTH_TOO_SHORT				 160
2036 #define SSL_R_LIBRARY_BUG				 274
2037 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
2038 #define SSL_R_MESSAGE_TOO_LONG				 296
2039 #define SSL_R_MISSING_DH_DSA_CERT			 162
2040 #define SSL_R_MISSING_DH_KEY				 163
2041 #define SSL_R_MISSING_DH_RSA_CERT			 164
2042 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
2043 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
2044 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
2045 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
2046 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
2047 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
2048 #define SSL_R_MISSING_SRP_PARAM				 358
2049 #define SSL_R_MISSING_TMP_DH_KEY			 171
2050 #define SSL_R_MISSING_TMP_ECDH_KEY			 311
2051 #define SSL_R_MISSING_TMP_RSA_KEY			 172
2052 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
2053 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
2054 #define SSL_R_MULTIPLE_SGC_RESTARTS			 346
2055 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
2056 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
2057 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
2058 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
2059 #define SSL_R_NO_CERTIFICATE_SET			 179
2060 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
2061 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
2062 #define SSL_R_NO_CIPHERS_PASSED				 182
2063 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
2064 #define SSL_R_NO_CIPHER_LIST				 184
2065 #define SSL_R_NO_CIPHER_MATCH				 185
2066 #define SSL_R_NO_CLIENT_CERT_METHOD			 331
2067 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
2068 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
2069 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER		 330
2070 #define SSL_R_NO_METHOD_SPECIFIED			 188
2071 #define SSL_R_NO_PRIVATEKEY				 189
2072 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
2073 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
2074 #define SSL_R_NO_PUBLICKEY				 192
2075 #define SSL_R_NO_RENEGOTIATION				 339
2076 #define SSL_R_NO_REQUIRED_DIGEST			 324
2077 #define SSL_R_NO_SHARED_CIPHER				 193
2078 #define SSL_R_NO_SRTP_PROFILES				 359
2079 #define SSL_R_NO_VERIFY_CALLBACK			 194
2080 #define SSL_R_NULL_SSL_CTX				 195
2081 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
2082 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
2083 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2084 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
2085 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
2086 #define SSL_R_PARSE_TLSEXT				 227
2087 #define SSL_R_PATH_TOO_LONG				 270
2088 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
2089 #define SSL_R_PEER_ERROR				 200
2090 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
2091 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
2092 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
2093 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
2094 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
2095 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
2096 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
2097 #define SSL_R_PSK_IDENTITY_NOT_FOUND			 223
2098 #define SSL_R_PSK_NO_CLIENT_CB				 224
2099 #define SSL_R_PSK_NO_SERVER_CB				 225
2100 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
2101 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
2102 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
2103 #define SSL_R_READ_BIO_NOT_SET				 211
2104 #define SSL_R_READ_TIMEOUT_EXPIRED			 312
2105 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
2106 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
2107 #define SSL_R_RECORD_TOO_LARGE				 214
2108 #define SSL_R_RECORD_TOO_SMALL				 298
2109 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG			 335
2110 #define SSL_R_RENEGOTIATION_ENCODING_ERR		 336
2111 #define SSL_R_RENEGOTIATION_MISMATCH			 337
2112 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
2113 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING	 342
2114 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
2115 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
2116 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
2117 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING		 345
2118 #define SSL_R_SERVERHELLO_TLSEXT			 275
2119 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
2120 #define SSL_R_SHORT_READ				 219
2121 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR		 360
2122 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
2123 #define SSL_R_SRP_A_CALC				 361
2124 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES		 362
2125 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG	 363
2126 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE		 364
2127 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
2128 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
2129 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT		 321
2130 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME		 319
2131 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE		 320
2132 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
2133 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
2134 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
2135 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
2136 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
2137 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
2138 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
2139 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
2140 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
2141 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
2142 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
2143 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
2144 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
2145 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
2146 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
2147 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
2148 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
2149 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
2150 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
2151 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
2152 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
2153 #define SSL_R_SSL_SESSION_ID_TOO_LONG			 408
2154 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
2155 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
2156 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
2157 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
2158 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
2159 #define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK	 1086
2160 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
2161 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
2162 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
2163 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
2164 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
2165 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
2166 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
2167 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE		 1114
2168 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE	 1113
2169 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE		 1111
2170 #define SSL_R_TLSV1_UNRECOGNIZED_NAME			 1112
2171 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION		 1110
2172 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
2173 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT		 365
2174 #define SSL_R_TLS_HEARTBEAT_PENDING			 366
2175 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL		 367
2176 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST		 157
2177 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2178 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
2179 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
2180 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
2181 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS		 313
2182 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
2183 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
2184 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS		 314
2185 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
2186 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
2187 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
2188 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
2189 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
2190 #define SSL_R_UNEXPECTED_MESSAGE			 244
2191 #define SSL_R_UNEXPECTED_RECORD				 245
2192 #define SSL_R_UNINITIALIZED				 276
2193 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
2194 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
2195 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
2196 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
2197 #define SSL_R_UNKNOWN_DIGEST				 368
2198 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
2199 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
2200 #define SSL_R_UNKNOWN_PROTOCOL				 252
2201 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
2202 #define SSL_R_UNKNOWN_SSL_VERSION			 254
2203 #define SSL_R_UNKNOWN_STATE				 255
2204 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED	 338
2205 #define SSL_R_UNSUPPORTED_CIPHER			 256
2206 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
2207 #define SSL_R_UNSUPPORTED_DIGEST_TYPE			 326
2208 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE		 315
2209 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
2210 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
2211 #define SSL_R_UNSUPPORTED_STATUS_TYPE			 329
2212 #define SSL_R_USE_SRTP_NOT_NEGOTIATED			 369
2213 #define SSL_R_WRITE_BIO_NOT_SET				 260
2214 #define SSL_R_WRONG_CIPHER_RETURNED			 261
2215 #define SSL_R_WRONG_CURVE				 378
2216 #define SSL_R_WRONG_MESSAGE_TYPE			 262
2217 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
2218 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
2219 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
2220 #define SSL_R_WRONG_SIGNATURE_TYPE			 370
2221 #define SSL_R_WRONG_SSL_VERSION				 266
2222 #define SSL_R_WRONG_VERSION_NUMBER			 267
2223 #define SSL_R_X509_LIB					 268
2224 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
2225 #define SSL_R_PEER_BEHAVING_BADLY			 666
2226 #define SSL_R_UNKNOWN					 999
2227 
2228 /*
2229  * OpenSSL compatible OPENSSL_INIT options
2230  */
2231 
2232 /*
2233  * These are provided for compatibiliy, but have no effect
2234  * on how LibreSSL is initialized.
2235  */
2236 #define OPENSSL_INIT_LOAD_SSL_STRINGS	_OPENSSL_INIT_FLAG_NOOP
2237 #define OPENSSL_INIT_SSL_DEFAULT	_OPENSSL_INIT_FLAG_NOOP
2238 
2239 int OPENSSL_init_ssl(uint64_t opts, const void *settings);
2240 
2241 #ifdef  __cplusplus
2242 }
2243 #endif
2244 #endif
2245