xref: /openbsd-src/lib/libssl/ssl.h (revision d0fc3bb68efd6c434b4053cd7adb29023cbec341)
1 /* $OpenBSD: ssl.h,v 1.194 2021/06/13 15:51:10 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 #define SSL_TXT_DTLS1_2		"DTLSv1.2"
305 #define SSL_TXT_SSLV2		"SSLv2"
306 #define SSL_TXT_SSLV3		"SSLv3"
307 #define SSL_TXT_TLSV1		"TLSv1"
308 #define SSL_TXT_TLSV1_1		"TLSv1.1"
309 #define SSL_TXT_TLSV1_2		"TLSv1.2"
310 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
311 #define SSL_TXT_TLSV1_3		"TLSv1.3"
312 #endif
313 
314 #define SSL_TXT_EXP		"EXP"
315 #define SSL_TXT_EXPORT		"EXPORT"
316 
317 #define SSL_TXT_ALL		"ALL"
318 
319 /*
320  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
321  * ciphers normally not being used.
322  * Example: "RC4" will activate all ciphers using RC4 including ciphers
323  * without authentication, which would normally disabled by DEFAULT (due
324  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
325  * will make sure that it is also disabled in the specific selection.
326  * COMPLEMENTOF* identifiers are portable between version, as adjustments
327  * to the default cipher setup will also be included here.
328  *
329  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
330  * DEFAULT gets, as only selection is being done and no sorting as needed
331  * for DEFAULT.
332  */
333 #define SSL_TXT_CMPALL		"COMPLEMENTOFALL"
334 #define SSL_TXT_CMPDEF		"COMPLEMENTOFDEFAULT"
335 
336 /* The following cipher list is used by default.
337  * It also is substituted when an application-defined cipher list string
338  * starts with 'DEFAULT'. */
339 #define SSL_DEFAULT_CIPHER_LIST	"ALL:!aNULL:!eNULL:!SSLv2"
340 /* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
341  * starts with a reasonable order, and all we have to do for DEFAULT is
342  * throwing out anonymous and unencrypted ciphersuites!
343  * (The latter are not actually enabled by ALL, but "ALL:RSA" would enable
344  * some of them.)
345  */
346 
347 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
348 #define SSL_SENT_SHUTDOWN	1
349 #define SSL_RECEIVED_SHUTDOWN	2
350 
351 
352 #define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
353 #define SSL_FILETYPE_PEM	X509_FILETYPE_PEM
354 
355 /* This is needed to stop compilers complaining about the
356  * 'struct ssl_st *' function parameters used to prototype callbacks
357  * in SSL_CTX. */
358 typedef struct ssl_st *ssl_crock_st;
359 
360 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
361 typedef struct ssl_method_st SSL_METHOD;
362 typedef struct ssl_cipher_st SSL_CIPHER;
363 typedef struct ssl_session_st SSL_SESSION;
364 
365 DECLARE_STACK_OF(SSL_CIPHER)
366 
367 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
368 typedef struct srtp_protection_profile_st {
369 	const char *name;
370 	unsigned long id;
371 } SRTP_PROTECTION_PROFILE;
372 
373 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
374 
375 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
376     int len, void *arg);
377 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
378     STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
379 
380 #ifdef LIBRESSL_INTERNAL
381 
382 /* used to hold info on the particular ciphers used */
383 struct ssl_cipher_st {
384 	int valid;
385 	const char *name;		/* text name */
386 	unsigned long id;		/* id, 4 bytes, first is version */
387 
388 	unsigned long algorithm_mkey;	/* key exchange algorithm */
389 	unsigned long algorithm_auth;	/* server authentication */
390 	unsigned long algorithm_enc;	/* symmetric encryption */
391 	unsigned long algorithm_mac;	/* symmetric authentication */
392 	unsigned long algorithm_ssl;	/* (major) protocol version */
393 
394 	unsigned long algo_strength;	/* strength and export flags */
395 	unsigned long algorithm2;	/* Extra flags */
396 	int strength_bits;		/* Number of bits really used */
397 	int alg_bits;			/* Number of bits for algorithm */
398 };
399 
400 
401 /* Used to hold functions for SSLv3/TLSv1 functions */
402 struct ssl_method_internal_st;
403 
404 struct ssl_method_st {
405 	int (*ssl_dispatch_alert)(SSL *s);
406 	int (*num_ciphers)(void);
407 	const SSL_CIPHER *(*get_cipher)(unsigned int ncipher);
408 	const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
409 	int (*put_cipher_by_char)(const SSL_CIPHER *cipher, unsigned char *ptr);
410 
411 	const struct ssl_method_internal_st *internal;
412 };
413 
414 /* Lets make this into an ASN.1 type structure as follows
415  * SSL_SESSION_ID ::= SEQUENCE {
416  *	version 		INTEGER,	-- structure version number
417  *	SSLversion 		INTEGER,	-- SSL version number
418  *	Cipher 			OCTET STRING,	-- the 3 byte cipher ID
419  *	Session_ID 		OCTET STRING,	-- the Session ID
420  *	Master_key 		OCTET STRING,	-- the master key
421  *	KRB5_principal		OCTET STRING	-- optional Kerberos principal
422  *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
423  *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
424  *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
425  *	Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
426  *	Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
427  *	HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension
428  *	PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
429  *	PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
430  *	Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
431  *	Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
432  *	Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
433  *	SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
434  *	}
435  * Look in ssl/ssl_asn1.c for more details
436  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
437  */
438 struct ssl_session_internal_st;
439 
440 struct ssl_session_st {
441 	int ssl_version;	/* what ssl version session info is
442 				 * being kept in here? */
443 
444 	int master_key_length;
445 	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
446 
447 	/* session_id - valid? */
448 	unsigned int session_id_length;
449 	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
450 
451 	/* this is used to determine whether the session is being reused in
452 	 * the appropriate context. It is up to the application to set this,
453 	 * via SSL_new */
454 	unsigned int sid_ctx_length;
455 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
456 
457 	/* This is the cert for the other end. */
458 	X509 *peer;
459 
460 	/* when app_verify_callback accepts a session where the peer's certificate
461 	 * is not ok, we must remember the error for session reuse: */
462 	long verify_result; /* only for servers */
463 
464 	long timeout;
465 	time_t time;
466 	int references;
467 
468 	const SSL_CIPHER *cipher;
469 	unsigned long cipher_id;	/* when ASN.1 loaded, this
470 					 * needs to be used to load
471 					 * the 'cipher' structure */
472 
473 	STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
474 
475 	char *tlsext_hostname;
476 
477 	/* RFC4507 info */
478 	unsigned char *tlsext_tick;	/* Session ticket */
479 	size_t tlsext_ticklen;		/* Session ticket length */
480 	long tlsext_tick_lifetime_hint;	/* Session lifetime hint in seconds */
481 
482 	struct ssl_session_internal_st *internal;
483 };
484 
485 #endif
486 
487 /* Allow initial connection to servers that don't support RI */
488 #define SSL_OP_LEGACY_SERVER_CONNECT			0x00000004L
489 
490 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
491  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
492  * the workaround is not needed.
493  * Unfortunately some broken SSL/TLS implementations cannot handle it
494  * at all, which is why it was previously included in SSL_OP_ALL.
495  * Now it's not.
496  */
497 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS		0x00000800L
498 
499 /* DTLS options */
500 #define SSL_OP_NO_QUERY_MTU				0x00001000L
501 /* Turn on Cookie Exchange (on relevant for servers) */
502 #define SSL_OP_COOKIE_EXCHANGE				0x00002000L
503 /* Don't use RFC4507 ticket extension */
504 #define SSL_OP_NO_TICKET				0x00004000L
505 
506 /* As server, disallow session resumption on renegotiation */
507 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
508 /* Disallow client initiated renegotiation. */
509 #define SSL_OP_NO_CLIENT_RENEGOTIATION			0x00020000L
510 /* If set, always create a new key when using tmp_dh parameters */
511 #define SSL_OP_SINGLE_DH_USE				0x00100000L
512 /* Set on servers to choose the cipher according to the server's
513  * preferences */
514 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
515 
516 #define SSL_OP_NO_TLSv1					0x04000000L
517 #define SSL_OP_NO_TLSv1_2				0x08000000L
518 #define SSL_OP_NO_TLSv1_1				0x10000000L
519 
520 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
521 #define SSL_OP_NO_TLSv1_3				0x20000000L
522 #endif
523 
524 #define SSL_OP_NO_DTLSv1				0x40000000L
525 #define SSL_OP_NO_DTLSv1_2				0x80000000L
526 
527 /* SSL_OP_ALL: various bug workarounds that should be rather harmless. */
528 #define SSL_OP_ALL \
529     (SSL_OP_LEGACY_SERVER_CONNECT)
530 
531 /* Obsolete flags kept for compatibility. No sane code should use them. */
532 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION	0x0
533 #define SSL_OP_CISCO_ANYCONNECT				0x0
534 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG			0x0
535 #define SSL_OP_EPHEMERAL_RSA				0x0
536 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x0
537 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x0
538 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x0
539 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x0
540 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x0
541 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x0
542 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x0
543 #define SSL_OP_NO_COMPRESSION				0x0
544 #define SSL_OP_NO_SSLv2					0x0
545 #define SSL_OP_NO_SSLv3					0x0
546 #define SSL_OP_PKCS1_CHECK_1				0x0
547 #define SSL_OP_PKCS1_CHECK_2				0x0
548 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG			0x0
549 #define SSL_OP_SINGLE_ECDH_USE				0x0
550 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x0
551 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x0
552 #define SSL_OP_TLSEXT_PADDING				0x0
553 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x0
554 #define SSL_OP_TLS_D5_BUG				0x0
555 #define SSL_OP_TLS_ROLLBACK_BUG				0x0
556 
557 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
558  * when just a single record has been written): */
559 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
560 /* Make it possible to retry SSL_write() with changed buffer location
561  * (buffer contents must stay the same!); this is not the default to avoid
562  * the misconception that non-blocking SSL_write() behaves like
563  * non-blocking write(): */
564 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
565 /* Never bother the application with retries if the transport
566  * is blocking: */
567 #define SSL_MODE_AUTO_RETRY 0x00000004L
568 /* Don't attempt to automatically build certificate chain */
569 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
570 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
571  * TLS only.)  "Released" buffers are put onto a free-list in the context
572  * or just freed (depending on the context's setting for freelist_max_len). */
573 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
574 
575 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
576  * they cannot be used to clear bits. */
577 
578 #define SSL_CTX_set_options(ctx,op) \
579 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
580 #define SSL_CTX_clear_options(ctx,op) \
581 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
582 #define SSL_CTX_get_options(ctx) \
583 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
584 #define SSL_set_options(ssl,op) \
585 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
586 #define SSL_clear_options(ssl,op) \
587 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
588 #define SSL_get_options(ssl) \
589         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
590 
591 #define SSL_CTX_set_mode(ctx,op) \
592 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
593 #define SSL_CTX_clear_mode(ctx,op) \
594 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
595 #define SSL_CTX_get_mode(ctx) \
596 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
597 #define SSL_clear_mode(ssl,op) \
598 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
599 #define SSL_set_mode(ssl,op) \
600 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
601 #define SSL_get_mode(ssl) \
602         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
603 #define SSL_set_mtu(ssl, mtu) \
604         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
605 
606 #define SSL_get_secure_renegotiation_support(ssl) \
607 	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
608 
609 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p,
610     int version, int content_type, const void *buf, size_t len, SSL *ssl,
611     void *arg));
612 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version,
613     int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
614 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
615 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
616 
617 #ifndef LIBRESSL_INTERNAL
618 struct ssl_aead_ctx_st;
619 typedef struct ssl_aead_ctx_st SSL_AEAD_CTX;
620 #endif
621 
622 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
623 
624 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
625 
626 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
627  * them. It is used to override the generation of SSL/TLS session IDs in a
628  * server. Return value should be zero on an error, non-zero to proceed. Also,
629  * callbacks should themselves check if the id they generate is unique otherwise
630  * the SSL handshake will fail with an error - callbacks can do this using the
631  * 'ssl' value they're passed by;
632  *      SSL_has_matching_session_id(ssl, id, *id_len)
633  * The length value passed in is set at the maximum size the session ID can be.
634  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
635  * can alter this length to be less if desired, but under SSLv2 session IDs are
636  * supposed to be fixed at 16 bytes so the id will be padded after the callback
637  * returns in this case. It is also an error for the callback to set the size to
638  * zero. */
639 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
640     unsigned int *id_len);
641 
642 typedef struct ssl_comp_st SSL_COMP;
643 
644 #ifdef LIBRESSL_INTERNAL
645 
646 struct ssl_comp_st {
647 	int id;
648 	const char *name;
649 };
650 
651 DECLARE_STACK_OF(SSL_COMP)
652 struct lhash_st_SSL_SESSION {
653 	int dummy;
654 };
655 
656 struct ssl_ctx_internal_st;
657 
658 struct ssl_ctx_st {
659 	const SSL_METHOD *method;
660 
661 	STACK_OF(SSL_CIPHER) *cipher_list;
662 
663 	struct x509_store_st /* X509_STORE */ *cert_store;
664 
665 	/* If timeout is not 0, it is the default timeout value set
666 	 * when SSL_new() is called.  This has been put in to make
667 	 * life easier to set things up */
668 	long session_timeout;
669 
670 	int references;
671 
672 	/* Default values to use in SSL structures follow (these are copied by SSL_new) */
673 
674 	STACK_OF(X509) *extra_certs;
675 
676 	int verify_mode;
677 	unsigned int sid_ctx_length;
678 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
679 
680 	X509_VERIFY_PARAM *param;
681 
682 	/*
683 	 * XXX
684 	 * default_passwd_cb used by python and openvpn, need to keep it until we
685 	 * add an accessor
686 	 */
687 	/* Default password callback. */
688 	pem_password_cb *default_passwd_callback;
689 
690 	/* Default password callback user data. */
691 	void *default_passwd_callback_userdata;
692 
693 	struct ssl_ctx_internal_st *internal;
694 };
695 
696 #endif
697 
698 #define SSL_SESS_CACHE_OFF			0x0000
699 #define SSL_SESS_CACHE_CLIENT			0x0001
700 #define SSL_SESS_CACHE_SERVER			0x0002
701 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
702 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
703 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
704 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
705 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
706 #define SSL_SESS_CACHE_NO_INTERNAL \
707 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
708 
709 struct lhash_st_SSL_SESSION *SSL_CTX_sessions(SSL_CTX *ctx);
710 #define SSL_CTX_sess_number(ctx) \
711 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
712 #define SSL_CTX_sess_connect(ctx) \
713 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
714 #define SSL_CTX_sess_connect_good(ctx) \
715 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
716 #define SSL_CTX_sess_connect_renegotiate(ctx) \
717 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
718 #define SSL_CTX_sess_accept(ctx) \
719 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
720 #define SSL_CTX_sess_accept_renegotiate(ctx) \
721 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
722 #define SSL_CTX_sess_accept_good(ctx) \
723 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
724 #define SSL_CTX_sess_hits(ctx) \
725 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
726 #define SSL_CTX_sess_cb_hits(ctx) \
727 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
728 #define SSL_CTX_sess_misses(ctx) \
729 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
730 #define SSL_CTX_sess_timeouts(ctx) \
731 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
732 #define SSL_CTX_sess_cache_full(ctx) \
733 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
734 
735 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
736     int (*new_session_cb)(struct ssl_st *ssl, SSL_SESSION *sess));
737 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
738     SSL_SESSION *sess);
739 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
740     void (*remove_session_cb)(struct ssl_ctx_st *ctx, SSL_SESSION *sess));
741 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx,
742     SSL_SESSION *sess);
743 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
744     SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
745     const unsigned char *data, int len, int *copy));
746 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
747     const unsigned char *data, int len, int *copy);
748 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,
749     int type, int val));
750 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, int type,
751     int val);
752 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
753     int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
754 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509,
755     EVP_PKEY **pkey);
756 #ifndef OPENSSL_NO_ENGINE
757 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
758 #endif
759 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
760     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
761     unsigned int *cookie_len));
762 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
763     int (*app_verify_cookie_cb)(SSL *ssl, const unsigned char *cookie,
764     unsigned int cookie_len));
765 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
766     const unsigned char **out, unsigned int *outlen, void *arg), void *arg);
767 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
768     unsigned char **out, unsigned char *outlen, const unsigned char *in,
769     unsigned int inlen, void *arg), void *arg);
770 
771 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
772     const unsigned char *in, unsigned int inlen, const unsigned char *client,
773     unsigned int client_len);
774 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
775     unsigned int *len);
776 
777 #define OPENSSL_NPN_UNSUPPORTED	0
778 #define OPENSSL_NPN_NEGOTIATED	1
779 #define OPENSSL_NPN_NO_OVERLAP	2
780 
781 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
782     unsigned int protos_len);
783 int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
784     unsigned int protos_len);
785 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
786     int (*cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen,
787     const unsigned char *in, unsigned int inlen, void *arg), void *arg);
788 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
789     unsigned int *len);
790 
791 #define SSL_NOTHING	1
792 #define SSL_WRITING	2
793 #define SSL_READING	3
794 #define SSL_X509_LOOKUP	4
795 
796 /* These will only be used when doing non-blocking IO */
797 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
798 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
799 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
800 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
801 
802 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
803 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
804 
805 #ifndef OPENSSL_NO_SSL_INTERN
806 struct ssl_internal_st;
807 
808 struct ssl_st {
809 	/* protocol version
810 	 * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
811 	 */
812 	int version;
813 
814 	const SSL_METHOD *method; /* SSLv3 */
815 
816 	/* There are 2 BIO's even though they are normally both the
817 	 * same.  This is so data can be read and written to different
818 	 * handlers */
819 
820 	BIO *rbio; /* used by SSL_read */
821 	BIO *wbio; /* used by SSL_write */
822 	BIO *bbio; /* used during session-id reuse to concatenate
823 		    * messages */
824 	int server;	/* are we the server side? - mostly used by SSL_clear*/
825 
826 	struct ssl3_state_st *s3; /* SSLv3 variables */
827 	struct dtls1_state_st *d1; /* DTLSv1 variables */
828 
829 	X509_VERIFY_PARAM *param;
830 
831 	/* crypto */
832 	STACK_OF(SSL_CIPHER) *cipher_list;
833 
834 	/* This is used to hold the server certificate used */
835 	struct cert_st /* CERT */ *cert;
836 
837 	/* the session_id_context is used to ensure sessions are only reused
838 	 * in the appropriate context */
839 	unsigned int sid_ctx_length;
840 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
841 
842 	/* This can also be in the session once a session is established */
843 	SSL_SESSION *session;
844 
845 	/* Used in SSL2 and SSL3 */
846 	int verify_mode;	/* 0 don't care about verify failure.
847 				 * 1 fail if verify fails */
848 	int error;		/* error bytes to be written */
849 	int error_code;		/* actual code */
850 
851 	SSL_CTX *ctx;
852 
853 	long verify_result;
854 
855 	int references;
856 
857 	int client_version;	/* what was passed, used for
858 				 * SSLv3/TLS rollback check */
859 
860 	unsigned int max_send_fragment;
861 
862 	char *tlsext_hostname;
863 
864 	/* certificate status request info */
865 	/* Status type or -1 if no status type */
866 	int tlsext_status_type;
867 
868 	SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
869 #define session_ctx initial_ctx
870 
871 	/*
872 	 * XXX really should be internal, but is
873 	 * touched unnaturally by wpa-supplicant
874 	 * and freeradius and other perversions
875 	 */
876 	EVP_CIPHER_CTX *enc_read_ctx;		/* cryptographic state */
877 	EVP_MD_CTX *read_hash;			/* used for mac generation */
878 
879 	struct ssl_internal_st *internal;
880 };
881 
882 #endif
883 
884 #ifdef __cplusplus
885 }
886 #endif
887 
888 #include <openssl/ssl2.h>
889 #include <openssl/ssl3.h>
890 #include <openssl/tls1.h>	/* This is mostly sslv3 with a few tweaks */
891 #include <openssl/dtls1.h>	/* Datagram TLS */
892 #include <openssl/ssl23.h>
893 #include <openssl/srtp.h>	/* Support for the use_srtp extension */
894 
895 #ifdef  __cplusplus
896 extern "C" {
897 #endif
898 
899 /* compatibility */
900 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
901 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
902 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
903 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
904 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
905 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
906 
907 /* The following are the possible values for ssl->state are are
908  * used to indicate where we are up to in the SSL connection establishment.
909  * The macros that follow are about the only things you should need to use
910  * and even then, only when using non-blocking IO.
911  * It can also be useful to work out where you were when the connection
912  * failed */
913 
914 #define SSL_ST_CONNECT			0x1000
915 #define SSL_ST_ACCEPT			0x2000
916 #define SSL_ST_MASK			0x0FFF
917 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
918 #define SSL_ST_BEFORE			0x4000
919 #define SSL_ST_OK			0x03
920 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
921 
922 #define SSL_CB_LOOP			0x01
923 #define SSL_CB_EXIT			0x02
924 #define SSL_CB_READ			0x04
925 #define SSL_CB_WRITE			0x08
926 #define SSL_CB_ALERT			0x4000 /* used in callback */
927 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
928 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
929 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
930 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
931 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
932 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
933 #define SSL_CB_HANDSHAKE_START		0x10
934 #define SSL_CB_HANDSHAKE_DONE		0x20
935 
936 /* Is the SSL_connection established? */
937 #define SSL_get_state(a)		(SSL_state((a)))
938 #define SSL_is_init_finished(a)		(SSL_state((a)) == SSL_ST_OK)
939 #define SSL_in_init(a)			(SSL_state((a))&SSL_ST_INIT)
940 #define SSL_in_before(a)		(SSL_state((a))&SSL_ST_BEFORE)
941 #define SSL_in_connect_init(a)		(SSL_state((a))&SSL_ST_CONNECT)
942 #define SSL_in_accept_init(a)		(SSL_state((a))&SSL_ST_ACCEPT)
943 
944 /* The following 2 states are kept in ssl->rstate when reads fail,
945  * you should not need these */
946 #define SSL_ST_READ_HEADER		0xF0
947 #define SSL_ST_READ_BODY		0xF1
948 #define SSL_ST_READ_DONE		0xF2
949 
950 /* Obtain latest Finished message
951  *   -- that we sent (SSL_get_finished)
952  *   -- that we expected from peer (SSL_get_peer_finished).
953  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
954 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
955 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
956 
957 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
958  * are 'ored' with SSL_VERIFY_PEER if they are desired */
959 #define SSL_VERIFY_NONE			0x00
960 #define SSL_VERIFY_PEER			0x01
961 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
962 #define SSL_VERIFY_CLIENT_ONCE		0x04
963 
964 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
965 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
966 
967 /* More backward compatibility */
968 #define SSL_get_cipher(s) \
969 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
970 #define SSL_get_cipher_bits(s,np) \
971 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
972 #define SSL_get_cipher_version(s) \
973 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
974 #define SSL_get_cipher_name(s) \
975 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
976 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
977 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
978 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
979 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
980 
981 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
982 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
983 
984 SSL_SESSION *PEM_read_bio_SSL_SESSION(BIO *bp, SSL_SESSION **x,
985     pem_password_cb *cb, void *u);
986 SSL_SESSION *PEM_read_SSL_SESSION(FILE *fp, SSL_SESSION **x,
987     pem_password_cb *cb, void *u);
988 int PEM_write_bio_SSL_SESSION(BIO *bp, SSL_SESSION *x);
989 int PEM_write_SSL_SESSION(FILE *fp, SSL_SESSION *x);
990 
991 /*
992  * TLS Alerts.
993  *
994  * https://www.iana.org/assignments/tls-parameters/#tls-parameters-6
995  */
996 
997 /* Obsolete alerts. */
998 #ifndef LIBRESSL_INTERNAL
999 #define SSL_AD_DECRYPTION_FAILED		21	/* Removed in TLSv1.1 */
1000 #define SSL_AD_NO_CERTIFICATE			41	/* Removed in TLSv1.0 */
1001 #define SSL_AD_EXPORT_RESTRICTION		60	/* Removed in TLSv1.1 */
1002 #endif
1003 
1004 #define SSL_AD_CLOSE_NOTIFY			0
1005 #define SSL_AD_UNEXPECTED_MESSAGE		10
1006 #define SSL_AD_BAD_RECORD_MAC			20
1007 #define SSL_AD_RECORD_OVERFLOW			22
1008 #define SSL_AD_DECOMPRESSION_FAILURE		30	/* Removed in TLSv1.3 */
1009 #define SSL_AD_HANDSHAKE_FAILURE		40
1010 #define SSL_AD_BAD_CERTIFICATE			42
1011 #define SSL_AD_UNSUPPORTED_CERTIFICATE		43
1012 #define SSL_AD_CERTIFICATE_REVOKED		44
1013 #define SSL_AD_CERTIFICATE_EXPIRED		45
1014 #define SSL_AD_CERTIFICATE_UNKNOWN		46
1015 #define SSL_AD_ILLEGAL_PARAMETER		47
1016 #define SSL_AD_UNKNOWN_CA			48
1017 #define SSL_AD_ACCESS_DENIED			49
1018 #define SSL_AD_DECODE_ERROR			50
1019 #define SSL_AD_DECRYPT_ERROR			51
1020 #define SSL_AD_PROTOCOL_VERSION			70
1021 #define SSL_AD_INSUFFICIENT_SECURITY		71
1022 #define SSL_AD_INTERNAL_ERROR			80
1023 #define SSL_AD_INAPPROPRIATE_FALLBACK		86
1024 #define SSL_AD_USER_CANCELLED			90
1025 #define SSL_AD_NO_RENEGOTIATION			100	/* Removed in TLSv1.3 */
1026 #define SSL_AD_MISSING_EXTENSION		109	/* Added in TLSv1.3. */
1027 #define SSL_AD_UNSUPPORTED_EXTENSION		110
1028 #define SSL_AD_CERTIFICATE_UNOBTAINABLE		111	/* Removed in TLSv1.3 */
1029 #define SSL_AD_UNRECOGNIZED_NAME		112
1030 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE	113
1031 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE	114	/* Removed in TLSv1.3 */
1032 #define SSL_AD_UNKNOWN_PSK_IDENTITY		115
1033 #define SSL_AD_CERTIFICATE_REQUIRED		116
1034 #define SSL_AD_NO_APPLICATION_PROTOCOL		120
1035 
1036 /* Offset to get an SSL_R_... value from an SSL_AD_... value. */
1037 #define SSL_AD_REASON_OFFSET			1000
1038 
1039 #define SSL_ERROR_NONE			0
1040 #define SSL_ERROR_SSL			1
1041 #define SSL_ERROR_WANT_READ		2
1042 #define SSL_ERROR_WANT_WRITE		3
1043 #define SSL_ERROR_WANT_X509_LOOKUP	4
1044 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
1045 #define SSL_ERROR_ZERO_RETURN		6
1046 #define SSL_ERROR_WANT_CONNECT		7
1047 #define SSL_ERROR_WANT_ACCEPT		8
1048 
1049 #define SSL_CTRL_NEED_TMP_RSA			1
1050 #define SSL_CTRL_SET_TMP_RSA			2
1051 #define SSL_CTRL_SET_TMP_DH			3
1052 #define SSL_CTRL_SET_TMP_ECDH			4
1053 #define SSL_CTRL_SET_TMP_RSA_CB			5
1054 #define SSL_CTRL_SET_TMP_DH_CB			6
1055 #define SSL_CTRL_SET_TMP_ECDH_CB		7
1056 
1057 #define SSL_CTRL_GET_SESSION_REUSED		8
1058 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	9
1059 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		10
1060 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	11
1061 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	12
1062 #define SSL_CTRL_GET_FLAGS			13
1063 #define SSL_CTRL_EXTRA_CHAIN_CERT		14
1064 
1065 #define SSL_CTRL_SET_MSG_CALLBACK               15
1066 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1067 
1068 /* only applies to datagram connections */
1069 #define SSL_CTRL_SET_MTU                17
1070 /* Stats */
1071 #define SSL_CTRL_SESS_NUMBER			20
1072 #define SSL_CTRL_SESS_CONNECT			21
1073 #define SSL_CTRL_SESS_CONNECT_GOOD		22
1074 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
1075 #define SSL_CTRL_SESS_ACCEPT			24
1076 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
1077 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
1078 #define SSL_CTRL_SESS_HIT			27
1079 #define SSL_CTRL_SESS_CB_HIT			28
1080 #define SSL_CTRL_SESS_MISSES			29
1081 #define SSL_CTRL_SESS_TIMEOUTS			30
1082 #define SSL_CTRL_SESS_CACHE_FULL		31
1083 #define SSL_CTRL_OPTIONS			32
1084 #define SSL_CTRL_MODE				33
1085 
1086 #define SSL_CTRL_GET_READ_AHEAD			40
1087 #define SSL_CTRL_SET_READ_AHEAD			41
1088 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
1089 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
1090 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
1091 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
1092 
1093 #define SSL_CTRL_GET_MAX_CERT_LIST		50
1094 #define SSL_CTRL_SET_MAX_CERT_LIST		51
1095 
1096 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT		52
1097 
1098 /* see tls1.h for macros based on these */
1099 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB	53
1100 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG	54
1101 #define SSL_CTRL_SET_TLSEXT_HOSTNAME		55
1102 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB		56
1103 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG		57
1104 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS		58
1105 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS		59
1106 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB	128
1107 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB	63
1108 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG	129
1109 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG	64
1110 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE	65
1111 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS	66
1112 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS	67
1113 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS	68
1114 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS	69
1115 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP	70
1116 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP	71
1117 
1118 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB	72
1119 
1120 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB	75
1121 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB		76
1122 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB		77
1123 
1124 #define SSL_CTRL_SET_SRP_ARG		78
1125 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME		79
1126 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH		80
1127 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD		81
1128 
1129 #define DTLS_CTRL_GET_TIMEOUT		73
1130 #define DTLS_CTRL_HANDLE_TIMEOUT	74
1131 #define DTLS_CTRL_LISTEN			75
1132 
1133 #define SSL_CTRL_GET_RI_SUPPORT			76
1134 #define SSL_CTRL_CLEAR_OPTIONS			77
1135 #define SSL_CTRL_CLEAR_MODE			78
1136 
1137 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS		82
1138 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS	83
1139 
1140 #define	SSL_CTRL_CHAIN					88
1141 #define	SSL_CTRL_CHAIN_CERT				89
1142 
1143 #define SSL_CTRL_SET_GROUPS				91
1144 #define SSL_CTRL_SET_GROUPS_LIST			92
1145 
1146 #define SSL_CTRL_SET_ECDH_AUTO			94
1147 
1148 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1149 #define SSL_CTRL_GET_PEER_TMP_KEY			109
1150 #define SSL_CTRL_GET_SERVER_TMP_KEY SSL_CTRL_GET_PEER_TMP_KEY
1151 #else
1152 #define SSL_CTRL_GET_SERVER_TMP_KEY		109
1153 #endif
1154 
1155 #define	SSL_CTRL_GET_CHAIN_CERTS			115
1156 
1157 #define SSL_CTRL_SET_DH_AUTO			118
1158 
1159 #define SSL_CTRL_SET_MIN_PROTO_VERSION			123
1160 #define SSL_CTRL_SET_MAX_PROTO_VERSION			124
1161 #define SSL_CTRL_GET_MIN_PROTO_VERSION			130
1162 #define SSL_CTRL_GET_MAX_PROTO_VERSION			131
1163 
1164 #define DTLSv1_get_timeout(ssl, arg) \
1165 	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1166 #define DTLSv1_handle_timeout(ssl) \
1167 	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1168 #define DTLSv1_listen(ssl, peer) \
1169 	SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1170 
1171 #define SSL_session_reused(ssl) \
1172 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1173 #define SSL_num_renegotiations(ssl) \
1174 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1175 #define SSL_clear_num_renegotiations(ssl) \
1176 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1177 #define SSL_total_renegotiations(ssl) \
1178 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1179 
1180 #define SSL_CTX_need_tmp_RSA(ctx) \
1181 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1182 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1183 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1184 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1185 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1186 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1187 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1188 #define SSL_CTX_set_dh_auto(ctx, onoff) \
1189 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1190 #define SSL_CTX_set_ecdh_auto(ctx, onoff) \
1191 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1192 
1193 #define SSL_need_tmp_RSA(ssl) \
1194 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1195 #define SSL_set_tmp_rsa(ssl,rsa) \
1196 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1197 #define SSL_set_tmp_dh(ssl,dh) \
1198 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1199 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1200 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1201 #define SSL_set_dh_auto(s, onoff) \
1202 	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1203 #define SSL_set_ecdh_auto(s, onoff) \
1204 	SSL_ctrl(s,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
1205 
1206 int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1207 int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1208 int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509);
1209 int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509);
1210 int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain);
1211 int SSL_CTX_clear_chain_certs(SSL_CTX *ctx);
1212 
1213 int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain);
1214 int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain);
1215 int SSL_add0_chain_cert(SSL *ssl, X509 *x509);
1216 int SSL_add1_chain_cert(SSL *ssl, X509 *x509);
1217 int SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain);
1218 int SSL_clear_chain_certs(SSL *ssl);
1219 
1220 int SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len);
1221 int SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups);
1222 
1223 int SSL_set1_groups(SSL *ssl, const int *groups, size_t groups_len);
1224 int SSL_set1_groups_list(SSL *ssl, const char *groups);
1225 
1226 int SSL_CTX_get_min_proto_version(SSL_CTX *ctx);
1227 int SSL_CTX_get_max_proto_version(SSL_CTX *ctx);
1228 int SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version);
1229 int SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version);
1230 
1231 int SSL_get_min_proto_version(SSL *ssl);
1232 int SSL_get_max_proto_version(SSL *ssl);
1233 int SSL_set_min_proto_version(SSL *ssl, uint16_t version);
1234 int SSL_set_max_proto_version(SSL *ssl, uint16_t version);
1235 
1236 const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
1237 
1238 #ifndef LIBRESSL_INTERNAL
1239 #define SSL_CTRL_SET_CURVES			SSL_CTRL_SET_GROUPS
1240 #define SSL_CTRL_SET_CURVES_LIST		SSL_CTRL_SET_GROUPS_LIST
1241 
1242 #define SSL_CTX_set1_curves SSL_CTX_set1_groups
1243 #define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1244 #define SSL_set1_curves SSL_set1_groups
1245 #define SSL_set1_curves_list SSL_set1_groups_list
1246 #endif
1247 
1248 #define SSL_CTX_add_extra_chain_cert(ctx, x509) \
1249 	SSL_CTX_ctrl(ctx, SSL_CTRL_EXTRA_CHAIN_CERT, 0, (char *)x509)
1250 #define SSL_CTX_get_extra_chain_certs(ctx, px509) \
1251 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 0, px509)
1252 #define SSL_CTX_get_extra_chain_certs_only(ctx, px509) \
1253 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 1, px509)
1254 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1255 	SSL_CTX_ctrl(ctx, SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS, 0, NULL)
1256 
1257 #define SSL_get_server_tmp_key(s, pk) \
1258 	SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1259 
1260 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1261 #define SSL_get_peer_tmp_key(s, pk) \
1262 	SSL_ctrl(s, SSL_CTRL_GET_PEER_TMP_KEY, 0, pk)
1263 #endif /* LIBRESSL_HAS_TLS1_3 || LIBRESSL_INTERNAL */
1264 
1265 #ifndef LIBRESSL_INTERNAL
1266 /*
1267  * Also provide those functions as macros for compatibility with
1268  * existing users.
1269  */
1270 #define SSL_CTX_set0_chain		SSL_CTX_set0_chain
1271 #define SSL_CTX_set1_chain		SSL_CTX_set1_chain
1272 #define SSL_CTX_add0_chain_cert		SSL_CTX_add0_chain_cert
1273 #define SSL_CTX_add1_chain_cert		SSL_CTX_add1_chain_cert
1274 #define SSL_CTX_get0_chain_certs	SSL_CTX_get0_chain_certs
1275 #define SSL_CTX_clear_chain_certs	SSL_CTX_clear_chain_certs
1276 
1277 #define SSL_add0_chain_cert		SSL_add0_chain_cert
1278 #define SSL_add1_chain_cert		SSL_add1_chain_cert
1279 #define SSL_set0_chain			SSL_set0_chain
1280 #define SSL_set1_chain			SSL_set1_chain
1281 #define SSL_get0_chain_certs		SSL_get0_chain_certs
1282 #define SSL_clear_chain_certs		SSL_clear_chain_certs
1283 
1284 #define SSL_CTX_set1_groups		SSL_CTX_set1_groups
1285 #define SSL_CTX_set1_groups_list	SSL_CTX_set1_groups_list
1286 #define SSL_set1_groups			SSL_set1_groups
1287 #define SSL_set1_groups_list		SSL_set1_groups_list
1288 
1289 #define SSL_CTX_get_min_proto_version	SSL_CTX_get_min_proto_version
1290 #define SSL_CTX_get_max_proto_version	SSL_CTX_get_max_proto_version
1291 #define SSL_CTX_set_min_proto_version	SSL_CTX_set_min_proto_version
1292 #define SSL_CTX_set_max_proto_version	SSL_CTX_set_max_proto_version
1293 
1294 #define SSL_get_min_proto_version	SSL_get_min_proto_version
1295 #define SSL_get_max_proto_version	SSL_get_max_proto_version
1296 #define SSL_set_min_proto_version	SSL_set_min_proto_version
1297 #define SSL_set_max_proto_version	SSL_set_max_proto_version
1298 #endif
1299 
1300 const BIO_METHOD *BIO_f_ssl(void);
1301 BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1302 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1303 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1304 int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1305 void BIO_ssl_shutdown(BIO *ssl_bio);
1306 
1307 STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1308 int	SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1309 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1310 int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1311 #endif
1312 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1313 void	SSL_CTX_free(SSL_CTX *);
1314 int SSL_CTX_up_ref(SSL_CTX *ctx);
1315 long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1316 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1317 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1318 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1319 X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1320 int SSL_want(const SSL *s);
1321 int	SSL_clear(SSL *s);
1322 
1323 void	SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1324 
1325 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1326 const SSL_CIPHER *SSL_CIPHER_get_by_id(unsigned int id);
1327 const SSL_CIPHER *SSL_CIPHER_get_by_value(uint16_t value);
1328 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1329 const char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1330 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1331 unsigned long 	SSL_CIPHER_get_id(const SSL_CIPHER *c);
1332 uint16_t SSL_CIPHER_get_value(const SSL_CIPHER *c);
1333 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
1334 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1335 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1336 int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1337 int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1338 int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1339 
1340 int	SSL_get_fd(const SSL *s);
1341 int	SSL_get_rfd(const SSL *s);
1342 int	SSL_get_wfd(const SSL *s);
1343 const char  * SSL_get_cipher_list(const SSL *s, int n);
1344 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1345 int	SSL_get_read_ahead(const SSL * s);
1346 int	SSL_pending(const SSL *s);
1347 int	SSL_set_fd(SSL *s, int fd);
1348 int	SSL_set_rfd(SSL *s, int fd);
1349 int	SSL_set_wfd(SSL *s, int fd);
1350 void	SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1351 BIO *	SSL_get_rbio(const SSL *s);
1352 BIO *	SSL_get_wbio(const SSL *s);
1353 int	SSL_set_cipher_list(SSL *s, const char *str);
1354 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1355 int	SSL_set_ciphersuites(SSL *s, const char *str);
1356 #endif
1357 void	SSL_set_read_ahead(SSL *s, int yes);
1358 int	SSL_get_verify_mode(const SSL *s);
1359 int	SSL_get_verify_depth(const SSL *s);
1360 int	(*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *);
1361 void	SSL_set_verify(SSL *s, int mode,
1362 	    int (*callback)(int ok, X509_STORE_CTX *ctx));
1363 void	SSL_set_verify_depth(SSL *s, int depth);
1364 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1365 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len);
1366 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1367 int	SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, long len);
1368 int	SSL_use_certificate(SSL *ssl, X509 *x);
1369 int	SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1370 
1371 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1372 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1373 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1374 int	SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1375 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1376 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1377 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1378 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1379 int	SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len);
1380 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1381 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1382 	    const char *file);
1383 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1384 	    const char *dir);
1385 
1386 void	SSL_load_error_strings(void );
1387 const char *SSL_state_string(const SSL *s);
1388 const char *SSL_rstate_string(const SSL *s);
1389 const char *SSL_state_string_long(const SSL *s);
1390 const char *SSL_rstate_string_long(const SSL *s);
1391 const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *ss);
1392 size_t	SSL_SESSION_get_master_key(const SSL_SESSION *ss,
1393 	    unsigned char *out, size_t max_out);
1394 int	SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1395 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1396 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1397 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1398 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1399 int	SSL_copy_session_id(SSL *to, const SSL *from);
1400 X509	*SSL_SESSION_get0_peer(SSL_SESSION *s);
1401 int	SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1402 	    unsigned int sid_len);
1403 int	SSL_SESSION_set1_id_context(SSL_SESSION *s,
1404 	    const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1405 
1406 SSL_SESSION *SSL_SESSION_new(void);
1407 void	SSL_SESSION_free(SSL_SESSION *ses);
1408 int	SSL_SESSION_up_ref(SSL_SESSION *ss);
1409 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *ss,
1410 	    unsigned int *len);
1411 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *ss,
1412 	    unsigned int *len);
1413 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1414 uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *sess);
1415 int SSL_SESSION_set_max_early_data(SSL_SESSION *sess, uint32_t max_early_data);
1416 #endif
1417 unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1418 int	SSL_SESSION_has_ticket(const SSL_SESSION *s);
1419 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *ss);
1420 int	SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1421 int	SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1422 int	i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
1423 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1424 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1425 int	SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c);
1426 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1427 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1428 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1429 	    unsigned int id_len);
1430 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1431 	    long length);
1432 
1433 #ifdef HEADER_X509_H
1434 X509 *	SSL_get_peer_certificate(const SSL *s);
1435 #endif
1436 
1437 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1438 
1439 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1440 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1441 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *);
1442 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
1443     int (*callback)(int, X509_STORE_CTX *));
1444 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1445 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *, void *), void *arg);
1446 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1447 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1448 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1449 int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, const unsigned char *d, long len);
1450 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1451 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1452 
1453 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1454 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1455 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1456 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1457 
1458 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1459 int SSL_check_private_key(const SSL *ctx);
1460 
1461 int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1462 
1463 int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1464 
1465 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1466 int SSL_set_purpose(SSL *s, int purpose);
1467 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1468 int SSL_set_trust(SSL *s, int trust);
1469 int SSL_set1_host(SSL *s, const char *hostname);
1470 void SSL_set_hostflags(SSL *s, unsigned int flags);
1471 const char *SSL_get0_peername(SSL *s);
1472 
1473 X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1474 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1475 X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1476 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1477 
1478 SSL *SSL_new(SSL_CTX *ctx);
1479 void	SSL_free(SSL *ssl);
1480 int	SSL_up_ref(SSL *ssl);
1481 int 	SSL_accept(SSL *ssl);
1482 int 	SSL_connect(SSL *ssl);
1483 int	SSL_is_dtls(const SSL *s);
1484 int	SSL_is_server(const SSL *s);
1485 int 	SSL_read(SSL *ssl, void *buf, int num);
1486 int 	SSL_peek(SSL *ssl, void *buf, int num);
1487 int 	SSL_write(SSL *ssl, const void *buf, int num);
1488 
1489 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1490 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
1491 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
1492 
1493 uint32_t SSL_get_max_early_data(const SSL *s);
1494 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
1495 
1496 #define SSL_EARLY_DATA_NOT_SENT		0
1497 #define SSL_EARLY_DATA_REJECTED		1
1498 #define SSL_EARLY_DATA_ACCEPTED		2
1499 int SSL_get_early_data_status(const SSL *s);
1500 
1501 #define SSL_READ_EARLY_DATA_ERROR	0
1502 #define SSL_READ_EARLY_DATA_SUCCESS	1
1503 #define SSL_READ_EARLY_DATA_FINISH	2
1504 int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes);
1505 int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written);
1506 #endif
1507 
1508 long	SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1509 long	SSL_callback_ctrl(SSL *, int, void (*)(void));
1510 long	SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1511 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1512 
1513 int	SSL_get_error(const SSL *s, int ret_code);
1514 const char *SSL_get_version(const SSL *s);
1515 
1516 /* This sets the 'default' SSL version that SSL_new() will create */
1517 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1518 
1519 const SSL_METHOD *SSLv23_method(void);		/* SSLv3 or TLSv1.* */
1520 const SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 or TLSv1.* */
1521 const SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 or TLSv1.* */
1522 
1523 const SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
1524 const SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
1525 const SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
1526 
1527 const SSL_METHOD *TLSv1_1_method(void);		/* TLSv1.1 */
1528 const SSL_METHOD *TLSv1_1_server_method(void);	/* TLSv1.1 */
1529 const SSL_METHOD *TLSv1_1_client_method(void);	/* TLSv1.1 */
1530 
1531 const SSL_METHOD *TLSv1_2_method(void);		/* TLSv1.2 */
1532 const SSL_METHOD *TLSv1_2_server_method(void);	/* TLSv1.2 */
1533 const SSL_METHOD *TLSv1_2_client_method(void);	/* TLSv1.2 */
1534 
1535 const SSL_METHOD *TLS_method(void);		/* TLS v1.0 or later */
1536 const SSL_METHOD *TLS_server_method(void);	/* TLS v1.0 or later */
1537 const SSL_METHOD *TLS_client_method(void);	/* TLS v1.0 or later */
1538 
1539 const SSL_METHOD *DTLSv1_method(void);		/* DTLSv1.0 */
1540 const SSL_METHOD *DTLSv1_server_method(void);	/* DTLSv1.0 */
1541 const SSL_METHOD *DTLSv1_client_method(void);	/* DTLSv1.0 */
1542 
1543 const SSL_METHOD *DTLSv1_2_method(void);	/* DTLSv1.2 */
1544 const SSL_METHOD *DTLSv1_2_server_method(void);	/* DTLSv1.2 */
1545 const SSL_METHOD *DTLSv1_2_client_method(void);	/* DTLSv1.2 */
1546 
1547 const SSL_METHOD *DTLS_method(void);		/* DTLS v1.0 or later */
1548 const SSL_METHOD *DTLS_server_method(void);	/* DTLS v1.0 or later */
1549 const SSL_METHOD *DTLS_client_method(void);	/* DTLS v1.0 or later */
1550 
1551 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1552 STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1553 STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1554 
1555 int SSL_do_handshake(SSL *s);
1556 int SSL_renegotiate(SSL *s);
1557 int SSL_renegotiate_abbreviated(SSL *s);
1558 int SSL_renegotiate_pending(SSL *s);
1559 int SSL_shutdown(SSL *s);
1560 
1561 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1562 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1563 const char *SSL_alert_type_string_long(int value);
1564 const char *SSL_alert_type_string(int value);
1565 const char *SSL_alert_desc_string_long(int value);
1566 const char *SSL_alert_desc_string(int value);
1567 
1568 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1569 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1570 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1571 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1572 int SSL_add_client_CA(SSL *ssl, X509 *x);
1573 int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1574 
1575 void SSL_set_connect_state(SSL *s);
1576 void SSL_set_accept_state(SSL *s);
1577 
1578 long SSL_get_default_timeout(const SSL *s);
1579 
1580 int SSL_library_init(void );
1581 
1582 char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1583 STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1584 
1585 SSL *SSL_dup(SSL *ssl);
1586 
1587 X509 *SSL_get_certificate(const SSL *ssl);
1588 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1589 
1590 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1591 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1592 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1593 int SSL_get_quiet_shutdown(const SSL *ssl);
1594 void SSL_set_shutdown(SSL *ssl,int mode);
1595 int SSL_get_shutdown(const SSL *ssl);
1596 int SSL_version(const SSL *ssl);
1597 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1598 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1599     const char *CApath);
1600 int SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len);
1601 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1602 SSL_SESSION *SSL_get_session(const SSL *ssl);
1603 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1604 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1605 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1606 void SSL_set_info_callback(SSL *ssl,
1607     void (*cb)(const SSL *ssl, int type, int val));
1608 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val);
1609 int SSL_state(const SSL *ssl);
1610 void SSL_set_state(SSL *ssl, int state);
1611 
1612 void SSL_set_verify_result(SSL *ssl, long v);
1613 long SSL_get_verify_result(const SSL *ssl);
1614 
1615 int SSL_set_ex_data(SSL *ssl, int idx, void *data);
1616 void *SSL_get_ex_data(const SSL *ssl, int idx);
1617 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1618     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1619 
1620 int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
1621 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
1622 int SSL_SESSION_get_ex_new_index(long argl, void *argp,
1623     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
1624     CRYPTO_EX_free *free_func);
1625 
1626 int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
1627 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
1628 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1629     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1630 
1631 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1632 
1633 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1634 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1635 #define SSL_CTX_sess_get_cache_size(ctx) \
1636 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1637 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1638 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1639 #define SSL_CTX_get_session_cache_mode(ctx) \
1640 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1641 
1642 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1643 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1644 #define SSL_CTX_get_read_ahead(ctx) \
1645 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1646 #define SSL_CTX_set_read_ahead(ctx,m) \
1647 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1648 #define SSL_CTX_get_max_cert_list(ctx) \
1649 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1650 #define SSL_CTX_set_max_cert_list(ctx,m) \
1651 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1652 #define SSL_get_max_cert_list(ssl) \
1653 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1654 #define SSL_set_max_cert_list(ssl,m) \
1655 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1656 
1657 #define SSL_CTX_set_max_send_fragment(ctx,m) \
1658 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1659 #define SSL_set_max_send_fragment(ssl,m) \
1660 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1661 
1662 /* NB: the keylength is only applicable when is_export is true */
1663 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
1664     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1665 
1666 void SSL_set_tmp_rsa_callback(SSL *ssl,
1667     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1668 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1669     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1670 void SSL_set_tmp_dh_callback(SSL *ssl,
1671     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1672 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
1673     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1674 void SSL_set_tmp_ecdh_callback(SSL *ssl,
1675     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1676 
1677 size_t SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out);
1678 size_t SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out);
1679 
1680 const void *SSL_get_current_compression(SSL *s);
1681 const void *SSL_get_current_expansion(SSL *s);
1682 
1683 const char *SSL_COMP_get_name(const void *comp);
1684 void *SSL_COMP_get_compression_methods(void);
1685 int SSL_COMP_add_compression_method(int id, void *cm);
1686 
1687 /* TLS extensions functions */
1688 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
1689 
1690 int SSL_set_session_ticket_ext_cb(SSL *s,
1691     tls_session_ticket_ext_cb_fn cb, void *arg);
1692 
1693 /* Pre-shared secret session resumption functions */
1694 int SSL_set_session_secret_cb(SSL *s,
1695     tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
1696 
1697 void SSL_set_debug(SSL *s, int debug);
1698 int SSL_cache_hit(SSL *s);
1699 
1700 /* BEGIN ERROR CODES */
1701 /* The following lines are auto generated by the script mkerr.pl. Any changes
1702  * made after this point may be overwritten when the script is next run.
1703  */
1704 void ERR_load_SSL_strings(void);
1705 
1706 /* Error codes for the SSL functions. */
1707 
1708 /* Function codes. */
1709 #define SSL_F_CLIENT_CERTIFICATE			 100
1710 #define SSL_F_CLIENT_FINISHED				 167
1711 #define SSL_F_CLIENT_HELLO				 101
1712 #define SSL_F_CLIENT_MASTER_KEY				 102
1713 #define SSL_F_D2I_SSL_SESSION				 103
1714 #define SSL_F_DO_DTLS1_WRITE				 245
1715 #define SSL_F_DO_SSL3_WRITE				 104
1716 #define SSL_F_DTLS1_ACCEPT				 246
1717 #define SSL_F_DTLS1_ADD_CERT_TO_BUF			 295
1718 #define SSL_F_DTLS1_BUFFER_RECORD			 247
1719 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM			 316
1720 #define SSL_F_DTLS1_CLIENT_HELLO			 248
1721 #define SSL_F_DTLS1_CONNECT				 249
1722 #define SSL_F_DTLS1_ENC					 250
1723 #define SSL_F_DTLS1_GET_HELLO_VERIFY			 251
1724 #define SSL_F_DTLS1_GET_MESSAGE				 252
1725 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT		 253
1726 #define SSL_F_DTLS1_GET_RECORD				 254
1727 #define SSL_F_DTLS1_HANDLE_TIMEOUT			 297
1728 #define SSL_F_DTLS1_HEARTBEAT				 305
1729 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN			 255
1730 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT			 288
1731 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE		 256
1732 #define SSL_F_DTLS1_PROCESS_RECORD			 257
1733 #define SSL_F_DTLS1_READ_BYTES				 258
1734 #define SSL_F_DTLS1_READ_FAILED				 259
1735 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST		 260
1736 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE		 261
1737 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE		 262
1738 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY			 263
1739 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST		 264
1740 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE		 265
1741 #define SSL_F_DTLS1_SEND_SERVER_HELLO			 266
1742 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE		 267
1743 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES		 268
1744 #define SSL_F_GET_CLIENT_FINISHED			 105
1745 #define SSL_F_GET_CLIENT_HELLO				 106
1746 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
1747 #define SSL_F_GET_SERVER_FINISHED			 108
1748 #define SSL_F_GET_SERVER_HELLO				 109
1749 #define SSL_F_GET_SERVER_VERIFY				 110
1750 #define SSL_F_I2D_SSL_SESSION				 111
1751 #define SSL_F_READ_N					 112
1752 #define SSL_F_REQUEST_CERTIFICATE			 113
1753 #define SSL_F_SERVER_FINISH				 239
1754 #define SSL_F_SERVER_HELLO				 114
1755 #define SSL_F_SERVER_VERIFY				 240
1756 #define SSL_F_SSL23_ACCEPT				 115
1757 #define SSL_F_SSL23_CLIENT_HELLO			 116
1758 #define SSL_F_SSL23_CONNECT				 117
1759 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
1760 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
1761 #define SSL_F_SSL23_PEEK				 237
1762 #define SSL_F_SSL23_READ				 120
1763 #define SSL_F_SSL23_WRITE				 121
1764 #define SSL_F_SSL2_ACCEPT				 122
1765 #define SSL_F_SSL2_CONNECT				 123
1766 #define SSL_F_SSL2_ENC_INIT				 124
1767 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
1768 #define SSL_F_SSL2_PEEK					 234
1769 #define SSL_F_SSL2_READ					 125
1770 #define SSL_F_SSL2_READ_INTERNAL			 236
1771 #define SSL_F_SSL2_SET_CERTIFICATE			 126
1772 #define SSL_F_SSL2_WRITE				 127
1773 #define SSL_F_SSL3_ACCEPT				 128
1774 #define SSL_F_SSL3_ADD_CERT_TO_BUF			 296
1775 #define SSL_F_SSL3_CALLBACK_CTRL			 233
1776 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
1777 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
1778 #define SSL_F_SSL3_CHECK_CLIENT_HELLO			 304
1779 #define SSL_F_SSL3_CLIENT_HELLO				 131
1780 #define SSL_F_SSL3_CONNECT				 132
1781 #define SSL_F_SSL3_CTRL					 213
1782 #define SSL_F_SSL3_CTX_CTRL				 133
1783 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS		 293
1784 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC		 292
1785 #define SSL_F_SSL3_ENC					 134
1786 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
1787 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
1788 #define SSL_F_SSL3_GET_CERT_STATUS			 289
1789 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
1790 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
1791 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
1792 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
1793 #define SSL_F_SSL3_GET_FINISHED				 140
1794 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
1795 #define SSL_F_SSL3_GET_MESSAGE				 142
1796 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET		 283
1797 #define SSL_F_SSL3_GET_NEXT_PROTO			 306
1798 #define SSL_F_SSL3_GET_RECORD				 143
1799 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
1800 #define SSL_F_SSL3_GET_SERVER_DONE			 145
1801 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
1802 #define SSL_F_SSL3_HANDSHAKE_MAC			 285
1803 #define SSL_F_SSL3_NEW_SESSION_TICKET			 287
1804 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
1805 #define SSL_F_SSL3_PEEK					 235
1806 #define SSL_F_SSL3_READ_BYTES				 148
1807 #define SSL_F_SSL3_READ_N				 149
1808 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
1809 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
1810 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
1811 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
1812 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
1813 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
1814 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
1815 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
1816 #define SSL_F_SSL3_SETUP_READ_BUFFER			 156
1817 #define SSL_F_SSL3_SETUP_WRITE_BUFFER			 291
1818 #define SSL_F_SSL3_WRITE_BYTES				 158
1819 #define SSL_F_SSL3_WRITE_PENDING			 159
1820 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT	 298
1821 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT		 277
1822 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT		 307
1823 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
1824 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
1825 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT	 299
1826 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT		 278
1827 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT		 308
1828 #define SSL_F_SSL_BAD_METHOD				 160
1829 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
1830 #define SSL_F_SSL_CERT_DUP				 221
1831 #define SSL_F_SSL_CERT_INST				 222
1832 #define SSL_F_SSL_CERT_INSTANTIATE			 214
1833 #define SSL_F_SSL_CERT_NEW				 162
1834 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
1835 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT		 280
1836 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG		 279
1837 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
1838 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
1839 #define SSL_F_SSL_CLEAR					 164
1840 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
1841 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
1842 #define SSL_F_SSL_CTRL					 232
1843 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
1844 #define SSL_F_SSL_CTX_MAKE_PROFILES			 309
1845 #define SSL_F_SSL_CTX_NEW				 169
1846 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
1847 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE		 290
1848 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
1849 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
1850 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
1851 #define SSL_F_SSL_CTX_SET_TRUST				 229
1852 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
1853 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
1854 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
1855 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
1856 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
1857 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
1858 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
1859 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT		 272
1860 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
1861 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
1862 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
1863 #define SSL_F_SSL_DO_HANDSHAKE				 180
1864 #define SSL_F_SSL_GET_NEW_SESSION			 181
1865 #define SSL_F_SSL_GET_PREV_SESSION			 217
1866 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
1867 #define SSL_F_SSL_GET_SERVER_SEND_PKEY			 317
1868 #define SSL_F_SSL_GET_SIGN_PKEY				 183
1869 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
1870 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
1871 #define SSL_F_SSL_NEW					 186
1872 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT	 300
1873 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT		 302
1874 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT	 310
1875 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT	 301
1876 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT		 303
1877 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT	 311
1878 #define SSL_F_SSL_PEEK					 270
1879 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT		 281
1880 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT		 282
1881 #define SSL_F_SSL_READ					 223
1882 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
1883 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
1884 #define SSL_F_SSL_SESSION_NEW				 189
1885 #define SSL_F_SSL_SESSION_PRINT_FP			 190
1886 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT		 312
1887 #define SSL_F_SSL_SESS_CERT_NEW				 225
1888 #define SSL_F_SSL_SET_CERT				 191
1889 #define SSL_F_SSL_SET_CIPHER_LIST			 271
1890 #define SSL_F_SSL_SET_FD				 192
1891 #define SSL_F_SSL_SET_PKEY				 193
1892 #define SSL_F_SSL_SET_PURPOSE				 227
1893 #define SSL_F_SSL_SET_RFD				 194
1894 #define SSL_F_SSL_SET_SESSION				 195
1895 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
1896 #define SSL_F_SSL_SET_SESSION_TICKET_EXT		 294
1897 #define SSL_F_SSL_SET_TRUST				 228
1898 #define SSL_F_SSL_SET_WFD				 196
1899 #define SSL_F_SSL_SHUTDOWN				 224
1900 #define SSL_F_SSL_SRP_CTX_INIT				 313
1901 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
1902 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
1903 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION		 244
1904 #define SSL_F_SSL_USE_CERTIFICATE			 198
1905 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
1906 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
1907 #define SSL_F_SSL_USE_PRIVATEKEY			 201
1908 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
1909 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
1910 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT			 273
1911 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
1912 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
1913 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
1914 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
1915 #define SSL_F_SSL_WRITE					 208
1916 #define SSL_F_TLS1_AEAD_CTX_INIT			 339
1917 #define SSL_F_TLS1_CERT_VERIFY_MAC			 286
1918 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
1919 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_AEAD		 340
1920 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_CIPHER		 338
1921 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT		 274
1922 #define SSL_F_TLS1_ENC					 210
1923 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL		 314
1924 #define SSL_F_TLS1_HEARTBEAT				 315
1925 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT		 275
1926 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT		 276
1927 #define SSL_F_TLS1_PRF					 284
1928 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
1929 #define SSL_F_WRITE_PENDING				 212
1930 
1931 /* Reason codes. */
1932 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
1933 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
1934 #define SSL_R_BAD_ALERT_RECORD				 101
1935 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
1936 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
1937 #define SSL_R_BAD_CHECKSUM				 104
1938 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
1939 #define SSL_R_BAD_DECOMPRESSION				 107
1940 #define SSL_R_BAD_DH_G_LENGTH				 108
1941 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
1942 #define SSL_R_BAD_DH_P_LENGTH				 110
1943 #define SSL_R_BAD_DIGEST_LENGTH				 111
1944 #define SSL_R_BAD_DSA_SIGNATURE				 112
1945 #define SSL_R_BAD_ECC_CERT				 304
1946 #define SSL_R_BAD_ECDSA_SIGNATURE			 305
1947 #define SSL_R_BAD_ECPOINT				 306
1948 #define SSL_R_BAD_HANDSHAKE_LENGTH			 332
1949 #define SSL_R_BAD_HELLO_REQUEST				 105
1950 #define SSL_R_BAD_LENGTH				 271
1951 #define SSL_R_BAD_MAC_DECODE				 113
1952 #define SSL_R_BAD_MAC_LENGTH				 333
1953 #define SSL_R_BAD_MESSAGE_TYPE				 114
1954 #define SSL_R_BAD_PACKET_LENGTH				 115
1955 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
1956 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH		 316
1957 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
1958 #define SSL_R_BAD_RSA_DECRYPT				 118
1959 #define SSL_R_BAD_RSA_ENCRYPT				 119
1960 #define SSL_R_BAD_RSA_E_LENGTH				 120
1961 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
1962 #define SSL_R_BAD_RSA_SIGNATURE				 122
1963 #define SSL_R_BAD_SIGNATURE				 123
1964 #define SSL_R_BAD_SRP_A_LENGTH				 347
1965 #define SSL_R_BAD_SRP_B_LENGTH				 348
1966 #define SSL_R_BAD_SRP_G_LENGTH				 349
1967 #define SSL_R_BAD_SRP_N_LENGTH				 350
1968 #define SSL_R_BAD_SRP_S_LENGTH				 351
1969 #define SSL_R_BAD_SRTP_MKI_VALUE			 352
1970 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST		 353
1971 #define SSL_R_BAD_SSL_FILETYPE				 124
1972 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
1973 #define SSL_R_BAD_STATE					 126
1974 #define SSL_R_BAD_WRITE_RETRY				 127
1975 #define SSL_R_BIO_NOT_SET				 128
1976 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
1977 #define SSL_R_BN_LIB					 130
1978 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
1979 #define SSL_R_CA_DN_TOO_LONG				 132
1980 #define SSL_R_CCS_RECEIVED_EARLY			 133
1981 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
1982 #define SSL_R_CERT_LENGTH_MISMATCH			 135
1983 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
1984 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
1985 #define SSL_R_CIPHER_COMPRESSION_UNAVAILABLE		 371
1986 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
1987 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
1988 #define SSL_R_CLIENTHELLO_TLSEXT			 226
1989 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
1990 #define SSL_R_COMPRESSION_DISABLED			 343
1991 #define SSL_R_COMPRESSION_FAILURE			 141
1992 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE	 307
1993 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
1994 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
1995 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
1996 #define SSL_R_COOKIE_MISMATCH				 308
1997 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
1998 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
1999 #define SSL_R_DECRYPTION_FAILED				 147
2000 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
2001 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
2002 #define SSL_R_DIGEST_CHECK_FAILED			 149
2003 #define SSL_R_DTLS_MESSAGE_TOO_BIG			 334
2004 #define SSL_R_DUPLICATE_COMPRESSION_ID			 309
2005 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT		 317
2006 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING			 318
2007 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE	 322
2008 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE	 323
2009 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER		 310
2010 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST	 354
2011 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
2012 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
2013 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
2014 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
2015 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
2016 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
2017 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS		 355
2018 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION		 356
2019 #define SSL_R_HTTPS_PROXY_REQUEST			 155
2020 #define SSL_R_HTTP_REQUEST				 156
2021 #define SSL_R_ILLEGAL_PADDING				 283
2022 #define SSL_R_INAPPROPRIATE_FALLBACK			 373
2023 #define SSL_R_INCONSISTENT_COMPRESSION			 340
2024 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
2025 #define SSL_R_INVALID_COMMAND				 280
2026 #define SSL_R_INVALID_COMPRESSION_ALGORITHM		 341
2027 #define SSL_R_INVALID_PURPOSE				 278
2028 #define SSL_R_INVALID_SRP_USERNAME			 357
2029 #define SSL_R_INVALID_STATUS_RESPONSE			 328
2030 #define SSL_R_INVALID_TICKET_KEYS_LENGTH		 325
2031 #define SSL_R_INVALID_TRUST				 279
2032 #define SSL_R_KEY_ARG_TOO_LONG				 284
2033 #define SSL_R_KRB5					 285
2034 #define SSL_R_KRB5_C_CC_PRINC				 286
2035 #define SSL_R_KRB5_C_GET_CRED				 287
2036 #define SSL_R_KRB5_C_INIT				 288
2037 #define SSL_R_KRB5_C_MK_REQ				 289
2038 #define SSL_R_KRB5_S_BAD_TICKET				 290
2039 #define SSL_R_KRB5_S_INIT				 291
2040 #define SSL_R_KRB5_S_RD_REQ				 292
2041 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
2042 #define SSL_R_KRB5_S_TKT_NYV				 294
2043 #define SSL_R_KRB5_S_TKT_SKEW				 295
2044 #define SSL_R_LENGTH_MISMATCH				 159
2045 #define SSL_R_LENGTH_TOO_SHORT				 160
2046 #define SSL_R_LIBRARY_BUG				 274
2047 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
2048 #define SSL_R_MESSAGE_TOO_LONG				 296
2049 #define SSL_R_MISSING_DH_DSA_CERT			 162
2050 #define SSL_R_MISSING_DH_KEY				 163
2051 #define SSL_R_MISSING_DH_RSA_CERT			 164
2052 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
2053 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
2054 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
2055 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
2056 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
2057 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
2058 #define SSL_R_MISSING_SRP_PARAM				 358
2059 #define SSL_R_MISSING_TMP_DH_KEY			 171
2060 #define SSL_R_MISSING_TMP_ECDH_KEY			 311
2061 #define SSL_R_MISSING_TMP_RSA_KEY			 172
2062 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
2063 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
2064 #define SSL_R_MULTIPLE_SGC_RESTARTS			 346
2065 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
2066 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
2067 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
2068 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
2069 #define SSL_R_NO_CERTIFICATE_SET			 179
2070 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
2071 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
2072 #define SSL_R_NO_CIPHERS_PASSED				 182
2073 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
2074 #define SSL_R_NO_CIPHER_LIST				 184
2075 #define SSL_R_NO_CIPHER_MATCH				 185
2076 #define SSL_R_NO_CLIENT_CERT_METHOD			 331
2077 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
2078 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
2079 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER		 330
2080 #define SSL_R_NO_METHOD_SPECIFIED			 188
2081 #define SSL_R_NO_PRIVATEKEY				 189
2082 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
2083 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
2084 #define SSL_R_NO_PUBLICKEY				 192
2085 #define SSL_R_NO_RENEGOTIATION				 339
2086 #define SSL_R_NO_REQUIRED_DIGEST			 324
2087 #define SSL_R_NO_SHARED_CIPHER				 193
2088 #define SSL_R_NO_SRTP_PROFILES				 359
2089 #define SSL_R_NO_VERIFY_CALLBACK			 194
2090 #define SSL_R_NULL_SSL_CTX				 195
2091 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
2092 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
2093 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2094 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
2095 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
2096 #define SSL_R_PARSE_TLSEXT				 227
2097 #define SSL_R_PATH_TOO_LONG				 270
2098 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
2099 #define SSL_R_PEER_ERROR				 200
2100 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
2101 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
2102 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
2103 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
2104 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
2105 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
2106 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
2107 #define SSL_R_PSK_IDENTITY_NOT_FOUND			 223
2108 #define SSL_R_PSK_NO_CLIENT_CB				 224
2109 #define SSL_R_PSK_NO_SERVER_CB				 225
2110 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
2111 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
2112 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
2113 #define SSL_R_READ_BIO_NOT_SET				 211
2114 #define SSL_R_READ_TIMEOUT_EXPIRED			 312
2115 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
2116 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
2117 #define SSL_R_RECORD_TOO_LARGE				 214
2118 #define SSL_R_RECORD_TOO_SMALL				 298
2119 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG			 335
2120 #define SSL_R_RENEGOTIATION_ENCODING_ERR		 336
2121 #define SSL_R_RENEGOTIATION_MISMATCH			 337
2122 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
2123 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING	 342
2124 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
2125 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
2126 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
2127 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING		 345
2128 #define SSL_R_SERVERHELLO_TLSEXT			 275
2129 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
2130 #define SSL_R_SHORT_READ				 219
2131 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR		 360
2132 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
2133 #define SSL_R_SRP_A_CALC				 361
2134 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES		 362
2135 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG	 363
2136 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE		 364
2137 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
2138 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
2139 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT		 321
2140 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME		 319
2141 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE		 320
2142 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
2143 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
2144 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
2145 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
2146 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
2147 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
2148 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
2149 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
2150 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
2151 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
2152 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
2153 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
2154 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
2155 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
2156 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
2157 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
2158 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
2159 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
2160 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
2161 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
2162 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
2163 #define SSL_R_SSL_SESSION_ID_TOO_LONG			 408
2164 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
2165 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
2166 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
2167 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
2168 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
2169 #define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK	 1086
2170 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
2171 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
2172 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
2173 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
2174 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
2175 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
2176 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
2177 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE		 1114
2178 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE	 1113
2179 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE		 1111
2180 #define SSL_R_TLSV1_UNRECOGNIZED_NAME			 1112
2181 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION		 1110
2182 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
2183 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT		 365
2184 #define SSL_R_TLS_HEARTBEAT_PENDING			 366
2185 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL		 367
2186 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST		 157
2187 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2188 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
2189 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
2190 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
2191 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS		 313
2192 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
2193 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
2194 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS		 314
2195 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
2196 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
2197 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
2198 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
2199 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
2200 #define SSL_R_UNEXPECTED_MESSAGE			 244
2201 #define SSL_R_UNEXPECTED_RECORD				 245
2202 #define SSL_R_UNINITIALIZED				 276
2203 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
2204 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
2205 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
2206 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
2207 #define SSL_R_UNKNOWN_DIGEST				 368
2208 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
2209 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
2210 #define SSL_R_UNKNOWN_PROTOCOL				 252
2211 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
2212 #define SSL_R_UNKNOWN_SSL_VERSION			 254
2213 #define SSL_R_UNKNOWN_STATE				 255
2214 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED	 338
2215 #define SSL_R_UNSUPPORTED_CIPHER			 256
2216 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
2217 #define SSL_R_UNSUPPORTED_DIGEST_TYPE			 326
2218 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE		 315
2219 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
2220 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
2221 #define SSL_R_UNSUPPORTED_STATUS_TYPE			 329
2222 #define SSL_R_USE_SRTP_NOT_NEGOTIATED			 369
2223 #define SSL_R_WRITE_BIO_NOT_SET				 260
2224 #define SSL_R_WRONG_CIPHER_RETURNED			 261
2225 #define SSL_R_WRONG_CURVE				 378
2226 #define SSL_R_WRONG_MESSAGE_TYPE			 262
2227 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
2228 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
2229 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
2230 #define SSL_R_WRONG_SIGNATURE_TYPE			 370
2231 #define SSL_R_WRONG_SSL_VERSION				 266
2232 #define SSL_R_WRONG_VERSION_NUMBER			 267
2233 #define SSL_R_X509_LIB					 268
2234 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
2235 #define SSL_R_PEER_BEHAVING_BADLY			 666
2236 #define SSL_R_UNKNOWN					 999
2237 
2238 /*
2239  * OpenSSL compatible OPENSSL_INIT options
2240  */
2241 
2242 /*
2243  * These are provided for compatibiliy, but have no effect
2244  * on how LibreSSL is initialized.
2245  */
2246 #define OPENSSL_INIT_LOAD_SSL_STRINGS	_OPENSSL_INIT_FLAG_NOOP
2247 #define OPENSSL_INIT_SSL_DEFAULT	_OPENSSL_INIT_FLAG_NOOP
2248 
2249 int OPENSSL_init_ssl(uint64_t opts, const void *settings);
2250 
2251 #ifdef  __cplusplus
2252 }
2253 #endif
2254 #endif
2255