xref: /openbsd/lib/libssl/ssl.h (revision 73471bf0)
1 /* $OpenBSD: ssl.h,v 1.215 2021/11/01 08:14:36 tb Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer.
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142 
143 #ifndef HEADER_SSL_H
144 #define HEADER_SSL_H
145 
146 #include <stdint.h>
147 
148 #include <openssl/opensslconf.h>
149 
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 ssl_method_st SSL_METHOD;
361 typedef struct ssl_cipher_st SSL_CIPHER;
362 typedef struct ssl_session_st SSL_SESSION;
363 
364 DECLARE_STACK_OF(SSL_CIPHER)
365 
366 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
367 typedef struct srtp_protection_profile_st {
368 	const char *name;
369 	unsigned long id;
370 } SRTP_PROTECTION_PROFILE;
371 
372 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
373 
374 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
375     int len, void *arg);
376 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
377     STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
378 
379 /* Allow initial connection to servers that don't support RI */
380 #define SSL_OP_LEGACY_SERVER_CONNECT			0x00000004L
381 
382 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
383  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
384  * the workaround is not needed.
385  * Unfortunately some broken SSL/TLS implementations cannot handle it
386  * at all, which is why it was previously included in SSL_OP_ALL.
387  * Now it's not.
388  */
389 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS		0x00000800L
390 
391 /* DTLS options */
392 #define SSL_OP_NO_QUERY_MTU				0x00001000L
393 /* Turn on Cookie Exchange (on relevant for servers) */
394 #define SSL_OP_COOKIE_EXCHANGE				0x00002000L
395 /* Don't use RFC4507 ticket extension */
396 #define SSL_OP_NO_TICKET				0x00004000L
397 
398 /* As server, disallow session resumption on renegotiation */
399 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
400 /* Disallow client initiated renegotiation. */
401 #define SSL_OP_NO_CLIENT_RENEGOTIATION			0x00020000L
402 /* If set, always create a new key when using tmp_dh parameters */
403 #define SSL_OP_SINGLE_DH_USE				0x00100000L
404 /* Set on servers to choose the cipher according to the server's
405  * preferences */
406 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
407 
408 #define SSL_OP_NO_TLSv1					0x04000000L
409 #define SSL_OP_NO_TLSv1_2				0x08000000L
410 #define SSL_OP_NO_TLSv1_1				0x10000000L
411 
412 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
413 #define SSL_OP_NO_TLSv1_3				0x20000000L
414 #endif
415 
416 #define SSL_OP_NO_DTLSv1				0x40000000L
417 #define SSL_OP_NO_DTLSv1_2				0x80000000L
418 
419 /* SSL_OP_ALL: various bug workarounds that should be rather harmless. */
420 #define SSL_OP_ALL \
421     (SSL_OP_LEGACY_SERVER_CONNECT)
422 
423 /* Obsolete flags kept for compatibility. No sane code should use them. */
424 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION	0x0
425 #define SSL_OP_CISCO_ANYCONNECT				0x0
426 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG			0x0
427 #define SSL_OP_EPHEMERAL_RSA				0x0
428 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x0
429 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x0
430 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x0
431 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x0
432 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x0
433 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x0
434 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x0
435 #define SSL_OP_NO_COMPRESSION				0x0
436 #define SSL_OP_NO_SSLv2					0x0
437 #define SSL_OP_NO_SSLv3					0x0
438 #define SSL_OP_PKCS1_CHECK_1				0x0
439 #define SSL_OP_PKCS1_CHECK_2				0x0
440 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG			0x0
441 #define SSL_OP_SINGLE_ECDH_USE				0x0
442 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x0
443 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x0
444 #define SSL_OP_TLSEXT_PADDING				0x0
445 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x0
446 #define SSL_OP_TLS_D5_BUG				0x0
447 #define SSL_OP_TLS_ROLLBACK_BUG				0x0
448 
449 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
450  * when just a single record has been written): */
451 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
452 /* Make it possible to retry SSL_write() with changed buffer location
453  * (buffer contents must stay the same!); this is not the default to avoid
454  * the misconception that non-blocking SSL_write() behaves like
455  * non-blocking write(): */
456 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
457 /* Never bother the application with retries if the transport
458  * is blocking: */
459 #define SSL_MODE_AUTO_RETRY 0x00000004L
460 /* Don't attempt to automatically build certificate chain */
461 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
462 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
463  * TLS only.)  "Released" buffers are put onto a free-list in the context
464  * or just freed (depending on the context's setting for freelist_max_len). */
465 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
466 
467 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
468  * they cannot be used to clear bits. */
469 
470 #define SSL_CTX_set_options(ctx,op) \
471 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
472 #define SSL_CTX_clear_options(ctx,op) \
473 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
474 #define SSL_CTX_get_options(ctx) \
475 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
476 #define SSL_set_options(ssl,op) \
477 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
478 #define SSL_clear_options(ssl,op) \
479 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
480 #define SSL_get_options(ssl) \
481         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
482 
483 #define SSL_CTX_set_mode(ctx,op) \
484 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
485 #define SSL_CTX_clear_mode(ctx,op) \
486 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
487 #define SSL_CTX_get_mode(ctx) \
488 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
489 #define SSL_clear_mode(ssl,op) \
490 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
491 #define SSL_set_mode(ssl,op) \
492 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
493 #define SSL_get_mode(ssl) \
494         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
495 #define SSL_set_mtu(ssl, mtu) \
496         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
497 
498 #define SSL_get_secure_renegotiation_support(ssl) \
499 	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
500 
501 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p,
502     int version, int content_type, const void *buf, size_t len, SSL *ssl,
503     void *arg));
504 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version,
505     int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
506 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
507 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
508 typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
509 void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
510 SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
511 int SSL_set_num_tickets(SSL *s, size_t num_tickets);
512 size_t SSL_get_num_tickets(const SSL *s);
513 int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
514 size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
515 STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
516 
517 #ifndef LIBRESSL_INTERNAL
518 struct ssl_aead_ctx_st;
519 typedef struct ssl_aead_ctx_st SSL_AEAD_CTX;
520 #endif
521 
522 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
523 
524 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
525 
526 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
527  * them. It is used to override the generation of SSL/TLS session IDs in a
528  * server. Return value should be zero on an error, non-zero to proceed. Also,
529  * callbacks should themselves check if the id they generate is unique otherwise
530  * the SSL handshake will fail with an error - callbacks can do this using the
531  * 'ssl' value they're passed by;
532  *      SSL_has_matching_session_id(ssl, id, *id_len)
533  * The length value passed in is set at the maximum size the session ID can be.
534  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
535  * can alter this length to be less if desired, but under SSLv2 session IDs are
536  * supposed to be fixed at 16 bytes so the id will be padded after the callback
537  * returns in this case. It is also an error for the callback to set the size to
538  * zero. */
539 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
540     unsigned int *id_len);
541 
542 typedef struct ssl_comp_st SSL_COMP;
543 
544 #ifdef LIBRESSL_INTERNAL
545 DECLARE_STACK_OF(SSL_COMP)
546 struct lhash_st_SSL_SESSION {
547 	int dummy;
548 };
549 #endif
550 
551 #define SSL_SESS_CACHE_OFF			0x0000
552 #define SSL_SESS_CACHE_CLIENT			0x0001
553 #define SSL_SESS_CACHE_SERVER			0x0002
554 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
555 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
556 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
557 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
558 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
559 #define SSL_SESS_CACHE_NO_INTERNAL \
560 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
561 
562 struct lhash_st_SSL_SESSION *SSL_CTX_sessions(SSL_CTX *ctx);
563 #define SSL_CTX_sess_number(ctx) \
564 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
565 #define SSL_CTX_sess_connect(ctx) \
566 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
567 #define SSL_CTX_sess_connect_good(ctx) \
568 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
569 #define SSL_CTX_sess_connect_renegotiate(ctx) \
570 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
571 #define SSL_CTX_sess_accept(ctx) \
572 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
573 #define SSL_CTX_sess_accept_renegotiate(ctx) \
574 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
575 #define SSL_CTX_sess_accept_good(ctx) \
576 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
577 #define SSL_CTX_sess_hits(ctx) \
578 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
579 #define SSL_CTX_sess_cb_hits(ctx) \
580 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
581 #define SSL_CTX_sess_misses(ctx) \
582 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
583 #define SSL_CTX_sess_timeouts(ctx) \
584 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
585 #define SSL_CTX_sess_cache_full(ctx) \
586 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
587 
588 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
589     int (*new_session_cb)(struct ssl_st *ssl, SSL_SESSION *sess));
590 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
591     SSL_SESSION *sess);
592 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
593     void (*remove_session_cb)(struct ssl_ctx_st *ctx, SSL_SESSION *sess));
594 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx,
595     SSL_SESSION *sess);
596 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
597     SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
598     const unsigned char *data, int len, int *copy));
599 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl,
600     const unsigned char *data, int len, int *copy);
601 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,
602     int type, int val));
603 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, int type,
604     int val);
605 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
606     int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
607 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509,
608     EVP_PKEY **pkey);
609 #ifndef OPENSSL_NO_ENGINE
610 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
611 #endif
612 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
613     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
614     unsigned int *cookie_len));
615 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
616     int (*app_verify_cookie_cb)(SSL *ssl, const unsigned char *cookie,
617     unsigned int cookie_len));
618 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
619     const unsigned char **out, unsigned int *outlen, void *arg), void *arg);
620 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, int (*cb)(SSL *ssl,
621     unsigned char **out, unsigned char *outlen, const unsigned char *in,
622     unsigned int inlen, void *arg), void *arg);
623 
624 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
625     const unsigned char *in, unsigned int inlen, const unsigned char *client,
626     unsigned int client_len);
627 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
628     unsigned int *len);
629 
630 #define OPENSSL_NPN_UNSUPPORTED	0
631 #define OPENSSL_NPN_NEGOTIATED	1
632 #define OPENSSL_NPN_NO_OVERLAP	2
633 
634 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
635     unsigned int protos_len);
636 int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
637     unsigned int protos_len);
638 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
639     int (*cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen,
640     const unsigned char *in, unsigned int inlen, void *arg), void *arg);
641 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
642     unsigned int *len);
643 
644 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
645 typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
646     const unsigned char **id, size_t *idlen, SSL_SESSION **sess);
647 void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
648 #endif
649 
650 #define SSL_NOTHING	1
651 #define SSL_WRITING	2
652 #define SSL_READING	3
653 #define SSL_X509_LOOKUP	4
654 
655 /* These will only be used when doing non-blocking IO */
656 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
657 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
658 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
659 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
660 
661 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
662 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
663 
664 #ifdef __cplusplus
665 }
666 #endif
667 
668 #include <openssl/ssl2.h>
669 #include <openssl/ssl3.h>
670 #include <openssl/tls1.h>	/* This is mostly sslv3 with a few tweaks */
671 #include <openssl/dtls1.h>	/* Datagram TLS */
672 #include <openssl/ssl23.h>
673 #include <openssl/srtp.h>	/* Support for the use_srtp extension */
674 
675 #ifdef  __cplusplus
676 extern "C" {
677 #endif
678 
679 /* compatibility */
680 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
681 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
682 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
683 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
684 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
685 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
686 
687 /* The following are the possible values for ssl->state are are
688  * used to indicate where we are up to in the SSL connection establishment.
689  * The macros that follow are about the only things you should need to use
690  * and even then, only when using non-blocking IO.
691  * It can also be useful to work out where you were when the connection
692  * failed */
693 
694 #define SSL_ST_CONNECT			0x1000
695 #define SSL_ST_ACCEPT			0x2000
696 #define SSL_ST_MASK			0x0FFF
697 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
698 #define SSL_ST_BEFORE			0x4000
699 #define SSL_ST_OK			0x03
700 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
701 
702 #define SSL_CB_LOOP			0x01
703 #define SSL_CB_EXIT			0x02
704 #define SSL_CB_READ			0x04
705 #define SSL_CB_WRITE			0x08
706 #define SSL_CB_ALERT			0x4000 /* used in callback */
707 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
708 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
709 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
710 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
711 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
712 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
713 #define SSL_CB_HANDSHAKE_START		0x10
714 #define SSL_CB_HANDSHAKE_DONE		0x20
715 
716 /* Is the SSL_connection established? */
717 #define SSL_get_state(a)		(SSL_state((a)))
718 #define SSL_is_init_finished(a)		(SSL_state((a)) == SSL_ST_OK)
719 #define SSL_in_init(a)			(SSL_state((a))&SSL_ST_INIT)
720 #define SSL_in_before(a)		(SSL_state((a))&SSL_ST_BEFORE)
721 #define SSL_in_connect_init(a)		(SSL_state((a))&SSL_ST_CONNECT)
722 #define SSL_in_accept_init(a)		(SSL_state((a))&SSL_ST_ACCEPT)
723 
724 /* The following 2 states are kept in ssl->rstate when reads fail,
725  * you should not need these */
726 #define SSL_ST_READ_HEADER		0xF0
727 #define SSL_ST_READ_BODY		0xF1
728 #define SSL_ST_READ_DONE		0xF2
729 
730 /* Obtain latest Finished message
731  *   -- that we sent (SSL_get_finished)
732  *   -- that we expected from peer (SSL_get_peer_finished).
733  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
734 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
735 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
736 
737 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
738  * are 'ored' with SSL_VERIFY_PEER if they are desired */
739 #define SSL_VERIFY_NONE			0x00
740 #define SSL_VERIFY_PEER			0x01
741 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
742 #define SSL_VERIFY_CLIENT_ONCE		0x04
743 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
744 #define SSL_VERIFY_POST_HANDSHAKE	0x08
745 
746 int SSL_verify_client_post_handshake(SSL *s);
747 void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
748 void SSL_set_post_handshake_auth(SSL *s, int val);
749 #endif
750 
751 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
752 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
753 
754 /* More backward compatibility */
755 #define SSL_get_cipher(s) \
756 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
757 #define SSL_get_cipher_bits(s,np) \
758 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
759 #define SSL_get_cipher_version(s) \
760 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
761 #define SSL_get_cipher_name(s) \
762 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
763 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
764 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
765 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
766 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
767 
768 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
769 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
770 
771 SSL_SESSION *PEM_read_bio_SSL_SESSION(BIO *bp, SSL_SESSION **x,
772     pem_password_cb *cb, void *u);
773 SSL_SESSION *PEM_read_SSL_SESSION(FILE *fp, SSL_SESSION **x,
774     pem_password_cb *cb, void *u);
775 int PEM_write_bio_SSL_SESSION(BIO *bp, SSL_SESSION *x);
776 int PEM_write_SSL_SESSION(FILE *fp, SSL_SESSION *x);
777 
778 /*
779  * TLS Alerts.
780  *
781  * https://www.iana.org/assignments/tls-parameters/#tls-parameters-6
782  */
783 
784 /* Obsolete alerts. */
785 #ifndef LIBRESSL_INTERNAL
786 #define SSL_AD_DECRYPTION_FAILED		21	/* Removed in TLSv1.1 */
787 #define SSL_AD_NO_CERTIFICATE			41	/* Removed in TLSv1.0 */
788 #define SSL_AD_EXPORT_RESTRICTION		60	/* Removed in TLSv1.1 */
789 #endif
790 
791 #define SSL_AD_CLOSE_NOTIFY			0
792 #define SSL_AD_UNEXPECTED_MESSAGE		10
793 #define SSL_AD_BAD_RECORD_MAC			20
794 #define SSL_AD_RECORD_OVERFLOW			22
795 #define SSL_AD_DECOMPRESSION_FAILURE		30	/* Removed in TLSv1.3 */
796 #define SSL_AD_HANDSHAKE_FAILURE		40
797 #define SSL_AD_BAD_CERTIFICATE			42
798 #define SSL_AD_UNSUPPORTED_CERTIFICATE		43
799 #define SSL_AD_CERTIFICATE_REVOKED		44
800 #define SSL_AD_CERTIFICATE_EXPIRED		45
801 #define SSL_AD_CERTIFICATE_UNKNOWN		46
802 #define SSL_AD_ILLEGAL_PARAMETER		47
803 #define SSL_AD_UNKNOWN_CA			48
804 #define SSL_AD_ACCESS_DENIED			49
805 #define SSL_AD_DECODE_ERROR			50
806 #define SSL_AD_DECRYPT_ERROR			51
807 #define SSL_AD_PROTOCOL_VERSION			70
808 #define SSL_AD_INSUFFICIENT_SECURITY		71
809 #define SSL_AD_INTERNAL_ERROR			80
810 #define SSL_AD_INAPPROPRIATE_FALLBACK		86
811 #define SSL_AD_USER_CANCELLED			90
812 #define SSL_AD_NO_RENEGOTIATION			100	/* Removed in TLSv1.3 */
813 #define SSL_AD_MISSING_EXTENSION		109	/* Added in TLSv1.3. */
814 #define SSL_AD_UNSUPPORTED_EXTENSION		110
815 #define SSL_AD_CERTIFICATE_UNOBTAINABLE		111	/* Removed in TLSv1.3 */
816 #define SSL_AD_UNRECOGNIZED_NAME		112
817 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE	113
818 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE	114	/* Removed in TLSv1.3 */
819 #define SSL_AD_UNKNOWN_PSK_IDENTITY		115
820 #define SSL_AD_CERTIFICATE_REQUIRED		116
821 #define SSL_AD_NO_APPLICATION_PROTOCOL		120
822 
823 /* Offset to get an SSL_R_... value from an SSL_AD_... value. */
824 #define SSL_AD_REASON_OFFSET			1000
825 
826 #define SSL_ERROR_NONE			0
827 #define SSL_ERROR_SSL			1
828 #define SSL_ERROR_WANT_READ		2
829 #define SSL_ERROR_WANT_WRITE		3
830 #define SSL_ERROR_WANT_X509_LOOKUP	4
831 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
832 #define SSL_ERROR_ZERO_RETURN		6
833 #define SSL_ERROR_WANT_CONNECT		7
834 #define SSL_ERROR_WANT_ACCEPT		8
835 
836 #define SSL_CTRL_NEED_TMP_RSA			1
837 #define SSL_CTRL_SET_TMP_RSA			2
838 #define SSL_CTRL_SET_TMP_DH			3
839 #define SSL_CTRL_SET_TMP_ECDH			4
840 #define SSL_CTRL_SET_TMP_RSA_CB			5
841 #define SSL_CTRL_SET_TMP_DH_CB			6
842 #define SSL_CTRL_SET_TMP_ECDH_CB		7
843 
844 #define SSL_CTRL_GET_SESSION_REUSED		8
845 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	9
846 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		10
847 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	11
848 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	12
849 #define SSL_CTRL_GET_FLAGS			13
850 #define SSL_CTRL_EXTRA_CHAIN_CERT		14
851 
852 #define SSL_CTRL_SET_MSG_CALLBACK               15
853 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
854 
855 /* only applies to datagram connections */
856 #define SSL_CTRL_SET_MTU                17
857 /* Stats */
858 #define SSL_CTRL_SESS_NUMBER			20
859 #define SSL_CTRL_SESS_CONNECT			21
860 #define SSL_CTRL_SESS_CONNECT_GOOD		22
861 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
862 #define SSL_CTRL_SESS_ACCEPT			24
863 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
864 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
865 #define SSL_CTRL_SESS_HIT			27
866 #define SSL_CTRL_SESS_CB_HIT			28
867 #define SSL_CTRL_SESS_MISSES			29
868 #define SSL_CTRL_SESS_TIMEOUTS			30
869 #define SSL_CTRL_SESS_CACHE_FULL		31
870 #define SSL_CTRL_OPTIONS			32
871 #define SSL_CTRL_MODE				33
872 
873 #define SSL_CTRL_GET_READ_AHEAD			40
874 #define SSL_CTRL_SET_READ_AHEAD			41
875 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
876 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
877 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
878 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
879 
880 #define SSL_CTRL_GET_MAX_CERT_LIST		50
881 #define SSL_CTRL_SET_MAX_CERT_LIST		51
882 
883 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT		52
884 
885 /* see tls1.h for macros based on these */
886 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB	53
887 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG	54
888 #define SSL_CTRL_SET_TLSEXT_HOSTNAME		55
889 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB		56
890 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG		57
891 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS		58
892 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS		59
893 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB	128
894 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB	63
895 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG	129
896 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG	64
897 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE	127
898 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE	65
899 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS	66
900 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS	67
901 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS	68
902 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS	69
903 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP	70
904 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP	71
905 
906 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB	72
907 
908 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB	75
909 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB		76
910 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB		77
911 
912 #define SSL_CTRL_SET_SRP_ARG		78
913 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME		79
914 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH		80
915 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD		81
916 
917 #define DTLS_CTRL_GET_TIMEOUT		73
918 #define DTLS_CTRL_HANDLE_TIMEOUT	74
919 #define DTLS_CTRL_LISTEN			75
920 
921 #define SSL_CTRL_GET_RI_SUPPORT			76
922 #define SSL_CTRL_CLEAR_OPTIONS			77
923 #define SSL_CTRL_CLEAR_MODE			78
924 
925 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS		82
926 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS	83
927 
928 #define	SSL_CTRL_CHAIN					88
929 #define	SSL_CTRL_CHAIN_CERT				89
930 
931 #define SSL_CTRL_SET_GROUPS				91
932 #define SSL_CTRL_SET_GROUPS_LIST			92
933 
934 #define SSL_CTRL_SET_ECDH_AUTO			94
935 
936 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
937 #define SSL_CTRL_GET_PEER_SIGNATURE_NID			108
938 #define SSL_CTRL_GET_PEER_TMP_KEY			109
939 #define SSL_CTRL_GET_SERVER_TMP_KEY SSL_CTRL_GET_PEER_TMP_KEY
940 #else
941 #define SSL_CTRL_GET_SERVER_TMP_KEY		109
942 #endif
943 
944 #define	SSL_CTRL_GET_CHAIN_CERTS			115
945 
946 #define SSL_CTRL_SET_DH_AUTO			118
947 
948 #define SSL_CTRL_SET_MIN_PROTO_VERSION			123
949 #define SSL_CTRL_SET_MAX_PROTO_VERSION			124
950 #define SSL_CTRL_GET_MIN_PROTO_VERSION			130
951 #define SSL_CTRL_GET_MAX_PROTO_VERSION			131
952 
953 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
954 #define SSL_CTRL_GET_SIGNATURE_NID			132
955 #endif
956 
957 #define DTLSv1_get_timeout(ssl, arg) \
958 	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
959 #define DTLSv1_handle_timeout(ssl) \
960 	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
961 #define DTLSv1_listen(ssl, peer) \
962 	SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
963 
964 #define SSL_session_reused(ssl) \
965 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
966 #define SSL_num_renegotiations(ssl) \
967 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
968 #define SSL_clear_num_renegotiations(ssl) \
969 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
970 #define SSL_total_renegotiations(ssl) \
971 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
972 
973 #define SSL_CTX_need_tmp_RSA(ctx) \
974 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
975 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
976 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
977 #define SSL_CTX_set_tmp_dh(ctx,dh) \
978 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
979 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
980 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
981 #define SSL_CTX_set_dh_auto(ctx, onoff) \
982 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
983 #define SSL_CTX_set_ecdh_auto(ctx, onoff) \
984 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
985 
986 #define SSL_need_tmp_RSA(ssl) \
987 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
988 #define SSL_set_tmp_rsa(ssl,rsa) \
989 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
990 #define SSL_set_tmp_dh(ssl,dh) \
991 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
992 #define SSL_set_tmp_ecdh(ssl,ecdh) \
993 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
994 #define SSL_set_dh_auto(s, onoff) \
995 	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
996 #define SSL_set_ecdh_auto(s, onoff) \
997 	SSL_ctrl(s,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
998 
999 int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1000 int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain);
1001 int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509);
1002 int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509);
1003 int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain);
1004 int SSL_CTX_clear_chain_certs(SSL_CTX *ctx);
1005 
1006 int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain);
1007 int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain);
1008 int SSL_add0_chain_cert(SSL *ssl, X509 *x509);
1009 int SSL_add1_chain_cert(SSL *ssl, X509 *x509);
1010 int SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain);
1011 int SSL_clear_chain_certs(SSL *ssl);
1012 
1013 int SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len);
1014 int SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups);
1015 
1016 int SSL_set1_groups(SSL *ssl, const int *groups, size_t groups_len);
1017 int SSL_set1_groups_list(SSL *ssl, const char *groups);
1018 
1019 int SSL_CTX_get_min_proto_version(SSL_CTX *ctx);
1020 int SSL_CTX_get_max_proto_version(SSL_CTX *ctx);
1021 int SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version);
1022 int SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version);
1023 
1024 int SSL_get_min_proto_version(SSL *ssl);
1025 int SSL_get_max_proto_version(SSL *ssl);
1026 int SSL_set_min_proto_version(SSL *ssl, uint16_t version);
1027 int SSL_set_max_proto_version(SSL *ssl, uint16_t version);
1028 
1029 const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
1030 
1031 #ifndef LIBRESSL_INTERNAL
1032 #define SSL_CTRL_SET_CURVES			SSL_CTRL_SET_GROUPS
1033 #define SSL_CTRL_SET_CURVES_LIST		SSL_CTRL_SET_GROUPS_LIST
1034 
1035 #define SSL_CTX_set1_curves SSL_CTX_set1_groups
1036 #define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1037 #define SSL_set1_curves SSL_set1_groups
1038 #define SSL_set1_curves_list SSL_set1_groups_list
1039 #endif
1040 
1041 #define SSL_CTX_add_extra_chain_cert(ctx, x509) \
1042 	SSL_CTX_ctrl(ctx, SSL_CTRL_EXTRA_CHAIN_CERT, 0, (char *)x509)
1043 #define SSL_CTX_get_extra_chain_certs(ctx, px509) \
1044 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 0, px509)
1045 #define SSL_CTX_get_extra_chain_certs_only(ctx, px509) \
1046 	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 1, px509)
1047 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1048 	SSL_CTX_ctrl(ctx, SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS, 0, NULL)
1049 
1050 #define SSL_get_server_tmp_key(s, pk) \
1051 	SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1052 
1053 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1054 #define SSL_get_signature_nid(s, pn) \
1055 	SSL_ctrl(s, SSL_CTRL_GET_SIGNATURE_NID, 0, pn)
1056 
1057 #define SSL_get_peer_signature_nid(s, pn) \
1058 	SSL_ctrl(s, SSL_CTRL_GET_PEER_SIGNATURE_NID, 0, pn)
1059 #define SSL_get_peer_tmp_key(s, pk) \
1060 	SSL_ctrl(s, SSL_CTRL_GET_PEER_TMP_KEY, 0, pk)
1061 
1062 int SSL_get_signature_type_nid(const SSL *ssl, int *nid);
1063 int SSL_get_peer_signature_type_nid(const SSL *ssl, int *nid);
1064 
1065 #endif /* LIBRESSL_HAS_TLS1_3 || LIBRESSL_INTERNAL */
1066 
1067 #ifndef LIBRESSL_INTERNAL
1068 /*
1069  * Also provide those functions as macros for compatibility with
1070  * existing users.
1071  */
1072 #define SSL_CTX_set0_chain		SSL_CTX_set0_chain
1073 #define SSL_CTX_set1_chain		SSL_CTX_set1_chain
1074 #define SSL_CTX_add0_chain_cert		SSL_CTX_add0_chain_cert
1075 #define SSL_CTX_add1_chain_cert		SSL_CTX_add1_chain_cert
1076 #define SSL_CTX_get0_chain_certs	SSL_CTX_get0_chain_certs
1077 #define SSL_CTX_clear_chain_certs	SSL_CTX_clear_chain_certs
1078 
1079 #define SSL_add0_chain_cert		SSL_add0_chain_cert
1080 #define SSL_add1_chain_cert		SSL_add1_chain_cert
1081 #define SSL_set0_chain			SSL_set0_chain
1082 #define SSL_set1_chain			SSL_set1_chain
1083 #define SSL_get0_chain_certs		SSL_get0_chain_certs
1084 #define SSL_clear_chain_certs		SSL_clear_chain_certs
1085 
1086 #define SSL_CTX_set1_groups		SSL_CTX_set1_groups
1087 #define SSL_CTX_set1_groups_list	SSL_CTX_set1_groups_list
1088 #define SSL_set1_groups			SSL_set1_groups
1089 #define SSL_set1_groups_list		SSL_set1_groups_list
1090 
1091 #define SSL_CTX_get_min_proto_version	SSL_CTX_get_min_proto_version
1092 #define SSL_CTX_get_max_proto_version	SSL_CTX_get_max_proto_version
1093 #define SSL_CTX_set_min_proto_version	SSL_CTX_set_min_proto_version
1094 #define SSL_CTX_set_max_proto_version	SSL_CTX_set_max_proto_version
1095 
1096 #define SSL_get_min_proto_version	SSL_get_min_proto_version
1097 #define SSL_get_max_proto_version	SSL_get_max_proto_version
1098 #define SSL_set_min_proto_version	SSL_set_min_proto_version
1099 #define SSL_set_max_proto_version	SSL_set_max_proto_version
1100 #endif
1101 
1102 const BIO_METHOD *BIO_f_ssl(void);
1103 BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1104 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1105 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1106 int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1107 void BIO_ssl_shutdown(BIO *ssl_bio);
1108 
1109 STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1110 int	SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1111 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1112 int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1113 #endif
1114 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1115 void	SSL_CTX_free(SSL_CTX *);
1116 int SSL_CTX_up_ref(SSL_CTX *ctx);
1117 long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1118 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1119 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1120 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1121 X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1122 EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
1123 int SSL_want(const SSL *s);
1124 int	SSL_clear(SSL *s);
1125 
1126 void	SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1127 
1128 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1129 const SSL_CIPHER *SSL_CIPHER_get_by_id(unsigned int id);
1130 const SSL_CIPHER *SSL_CIPHER_get_by_value(uint16_t value);
1131 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1132 const char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1133 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1134 unsigned long 	SSL_CIPHER_get_id(const SSL_CIPHER *c);
1135 uint16_t SSL_CIPHER_get_value(const SSL_CIPHER *c);
1136 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
1137 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1138 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1139 int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1140 int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1141 int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1142 
1143 int	SSL_get_fd(const SSL *s);
1144 int	SSL_get_rfd(const SSL *s);
1145 int	SSL_get_wfd(const SSL *s);
1146 const char  * SSL_get_cipher_list(const SSL *s, int n);
1147 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1148 int	SSL_get_read_ahead(const SSL * s);
1149 int	SSL_pending(const SSL *s);
1150 int	SSL_set_fd(SSL *s, int fd);
1151 int	SSL_set_rfd(SSL *s, int fd);
1152 int	SSL_set_wfd(SSL *s, int fd);
1153 void	SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1154 BIO *	SSL_get_rbio(const SSL *s);
1155 void	SSL_set0_rbio(SSL *s, BIO *rbio);
1156 BIO *	SSL_get_wbio(const SSL *s);
1157 int	SSL_set_cipher_list(SSL *s, const char *str);
1158 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1159 int	SSL_set_ciphersuites(SSL *s, const char *str);
1160 #endif
1161 void	SSL_set_read_ahead(SSL *s, int yes);
1162 int	SSL_get_verify_mode(const SSL *s);
1163 int	SSL_get_verify_depth(const SSL *s);
1164 int	(*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *);
1165 void	SSL_set_verify(SSL *s, int mode,
1166 	    int (*callback)(int ok, X509_STORE_CTX *ctx));
1167 void	SSL_set_verify_depth(SSL *s, int depth);
1168 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1169 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len);
1170 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1171 int	SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, long len);
1172 int	SSL_use_certificate(SSL *ssl, X509 *x);
1173 int	SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1174 
1175 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1176 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1177 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1178 int	SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1179 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1180 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1181 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1182 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1183 int	SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len);
1184 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1185 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1186 	    const char *file);
1187 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1188 	    const char *dir);
1189 
1190 void	SSL_load_error_strings(void );
1191 const char *SSL_state_string(const SSL *s);
1192 const char *SSL_rstate_string(const SSL *s);
1193 const char *SSL_state_string_long(const SSL *s);
1194 const char *SSL_rstate_string_long(const SSL *s);
1195 const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *ss);
1196 size_t	SSL_SESSION_get_master_key(const SSL_SESSION *ss,
1197 	    unsigned char *out, size_t max_out);
1198 int	SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1199 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1200 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1201 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1202 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1203 int	SSL_copy_session_id(SSL *to, const SSL *from);
1204 X509	*SSL_SESSION_get0_peer(SSL_SESSION *s);
1205 int	SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1206 	    unsigned int sid_len);
1207 int	SSL_SESSION_set1_id_context(SSL_SESSION *s,
1208 	    const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1209 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1210 int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1211 #endif
1212 
1213 SSL_SESSION *SSL_SESSION_new(void);
1214 void	SSL_SESSION_free(SSL_SESSION *ses);
1215 int	SSL_SESSION_up_ref(SSL_SESSION *ss);
1216 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *ss,
1217 	    unsigned int *len);
1218 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *ss,
1219 	    unsigned int *len);
1220 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1221 uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *sess);
1222 int SSL_SESSION_set_max_early_data(SSL_SESSION *sess, uint32_t max_early_data);
1223 #endif
1224 unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1225 int	SSL_SESSION_has_ticket(const SSL_SESSION *s);
1226 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *ss);
1227 int	SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1228 int	SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1229 int	i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
1230 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1231 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1232 int	SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c);
1233 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1234 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1235 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1236 	    unsigned int id_len);
1237 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1238 	    long length);
1239 
1240 #ifdef HEADER_X509_H
1241 X509 *	SSL_get_peer_certificate(const SSL *s);
1242 #endif
1243 
1244 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1245 
1246 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1247 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1248 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *);
1249 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
1250     int (*callback)(int, X509_STORE_CTX *));
1251 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1252 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *, void *), void *arg);
1253 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1254 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1255 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1256 int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, const unsigned char *d, long len);
1257 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1258 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1259 
1260 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1261 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1262 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1263 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1264 
1265 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1266 int SSL_check_private_key(const SSL *ctx);
1267 
1268 int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1269 
1270 int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, unsigned int sid_ctx_len);
1271 
1272 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1273 int SSL_set_purpose(SSL *s, int purpose);
1274 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1275 int SSL_set_trust(SSL *s, int trust);
1276 int SSL_set1_host(SSL *s, const char *hostname);
1277 void SSL_set_hostflags(SSL *s, unsigned int flags);
1278 const char *SSL_get0_peername(SSL *s);
1279 
1280 X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1281 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1282 X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1283 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1284 
1285 SSL *SSL_new(SSL_CTX *ctx);
1286 void	SSL_free(SSL *ssl);
1287 int	SSL_up_ref(SSL *ssl);
1288 int 	SSL_accept(SSL *ssl);
1289 int 	SSL_connect(SSL *ssl);
1290 int	SSL_is_dtls(const SSL *s);
1291 int	SSL_is_server(const SSL *s);
1292 int 	SSL_read(SSL *ssl, void *buf, int num);
1293 int 	SSL_peek(SSL *ssl, void *buf, int num);
1294 int 	SSL_write(SSL *ssl, const void *buf, int num);
1295 int 	SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *bytes_read);
1296 int 	SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *bytes_peeked);
1297 int 	SSL_write_ex(SSL *ssl, const void *buf, size_t num, size_t *bytes_written);
1298 
1299 #if defined(LIBRESSL_HAS_TLS1_3) || defined(LIBRESSL_INTERNAL)
1300 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
1301 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
1302 
1303 uint32_t SSL_get_max_early_data(const SSL *s);
1304 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
1305 
1306 #define SSL_EARLY_DATA_NOT_SENT		0
1307 #define SSL_EARLY_DATA_REJECTED		1
1308 #define SSL_EARLY_DATA_ACCEPTED		2
1309 int SSL_get_early_data_status(const SSL *s);
1310 
1311 #define SSL_READ_EARLY_DATA_ERROR	0
1312 #define SSL_READ_EARLY_DATA_SUCCESS	1
1313 #define SSL_READ_EARLY_DATA_FINISH	2
1314 int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes);
1315 int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written);
1316 #endif
1317 
1318 long	SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1319 long	SSL_callback_ctrl(SSL *, int, void (*)(void));
1320 long	SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1321 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1322 
1323 int	SSL_get_error(const SSL *s, int ret_code);
1324 const char *SSL_get_version(const SSL *s);
1325 
1326 /* This sets the 'default' SSL version that SSL_new() will create */
1327 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1328 
1329 const SSL_METHOD *SSLv23_method(void);		/* SSLv3 or TLSv1.* */
1330 const SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 or TLSv1.* */
1331 const SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 or TLSv1.* */
1332 
1333 const SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
1334 const SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
1335 const SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
1336 
1337 const SSL_METHOD *TLSv1_1_method(void);		/* TLSv1.1 */
1338 const SSL_METHOD *TLSv1_1_server_method(void);	/* TLSv1.1 */
1339 const SSL_METHOD *TLSv1_1_client_method(void);	/* TLSv1.1 */
1340 
1341 const SSL_METHOD *TLSv1_2_method(void);		/* TLSv1.2 */
1342 const SSL_METHOD *TLSv1_2_server_method(void);	/* TLSv1.2 */
1343 const SSL_METHOD *TLSv1_2_client_method(void);	/* TLSv1.2 */
1344 
1345 const SSL_METHOD *TLS_method(void);		/* TLS v1.0 or later */
1346 const SSL_METHOD *TLS_server_method(void);	/* TLS v1.0 or later */
1347 const SSL_METHOD *TLS_client_method(void);	/* TLS v1.0 or later */
1348 
1349 const SSL_METHOD *DTLSv1_method(void);		/* DTLSv1.0 */
1350 const SSL_METHOD *DTLSv1_server_method(void);	/* DTLSv1.0 */
1351 const SSL_METHOD *DTLSv1_client_method(void);	/* DTLSv1.0 */
1352 
1353 const SSL_METHOD *DTLSv1_2_method(void);	/* DTLSv1.2 */
1354 const SSL_METHOD *DTLSv1_2_server_method(void);	/* DTLSv1.2 */
1355 const SSL_METHOD *DTLSv1_2_client_method(void);	/* DTLSv1.2 */
1356 
1357 const SSL_METHOD *DTLS_method(void);		/* DTLS v1.0 or later */
1358 const SSL_METHOD *DTLS_server_method(void);	/* DTLS v1.0 or later */
1359 const SSL_METHOD *DTLS_client_method(void);	/* DTLS v1.0 or later */
1360 
1361 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1362 STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1363 STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1364 
1365 int SSL_do_handshake(SSL *s);
1366 int SSL_renegotiate(SSL *s);
1367 int SSL_renegotiate_abbreviated(SSL *s);
1368 int SSL_renegotiate_pending(SSL *s);
1369 int SSL_shutdown(SSL *s);
1370 
1371 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1372 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1373 const char *SSL_alert_type_string_long(int value);
1374 const char *SSL_alert_type_string(int value);
1375 const char *SSL_alert_desc_string_long(int value);
1376 const char *SSL_alert_desc_string(int value);
1377 
1378 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1379 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1380 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1381 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1382 int SSL_add_client_CA(SSL *ssl, X509 *x);
1383 int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1384 
1385 void SSL_set_connect_state(SSL *s);
1386 void SSL_set_accept_state(SSL *s);
1387 
1388 long SSL_get_default_timeout(const SSL *s);
1389 
1390 int SSL_library_init(void );
1391 
1392 char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1393 STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1394 
1395 SSL *SSL_dup(SSL *ssl);
1396 
1397 X509 *SSL_get_certificate(const SSL *ssl);
1398 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1399 
1400 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1401 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1402 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1403 int SSL_get_quiet_shutdown(const SSL *ssl);
1404 void SSL_set_shutdown(SSL *ssl,int mode);
1405 int SSL_get_shutdown(const SSL *ssl);
1406 int SSL_version(const SSL *ssl);
1407 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1408 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1409     const char *CApath);
1410 int SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len);
1411 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1412 SSL_SESSION *SSL_get_session(const SSL *ssl);
1413 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1414 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1415 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1416 void SSL_set_info_callback(SSL *ssl,
1417     void (*cb)(const SSL *ssl, int type, int val));
1418 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val);
1419 int SSL_state(const SSL *ssl);
1420 void SSL_set_state(SSL *ssl, int state);
1421 
1422 void SSL_set_verify_result(SSL *ssl, long v);
1423 long SSL_get_verify_result(const SSL *ssl);
1424 
1425 int SSL_set_ex_data(SSL *ssl, int idx, void *data);
1426 void *SSL_get_ex_data(const SSL *ssl, int idx);
1427 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1428     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1429 
1430 int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
1431 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
1432 int SSL_SESSION_get_ex_new_index(long argl, void *argp,
1433     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
1434     CRYPTO_EX_free *free_func);
1435 
1436 int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
1437 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
1438 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1439     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1440 
1441 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1442 
1443 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1444 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1445 #define SSL_CTX_sess_get_cache_size(ctx) \
1446 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1447 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1448 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1449 #define SSL_CTX_get_session_cache_mode(ctx) \
1450 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1451 
1452 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1453 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1454 #define SSL_CTX_get_read_ahead(ctx) \
1455 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1456 #define SSL_CTX_set_read_ahead(ctx,m) \
1457 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1458 #define SSL_CTX_get_max_cert_list(ctx) \
1459 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1460 #define SSL_CTX_set_max_cert_list(ctx,m) \
1461 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1462 #define SSL_get_max_cert_list(ssl) \
1463 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1464 #define SSL_set_max_cert_list(ssl,m) \
1465 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1466 
1467 #define SSL_CTX_set_max_send_fragment(ctx,m) \
1468 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1469 #define SSL_set_max_send_fragment(ssl,m) \
1470 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1471 
1472 /* NB: the keylength is only applicable when is_export is true */
1473 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
1474     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1475 
1476 void SSL_set_tmp_rsa_callback(SSL *ssl,
1477     RSA *(*cb)(SSL *ssl, int is_export, int keylength));
1478 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1479     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1480 void SSL_set_tmp_dh_callback(SSL *ssl,
1481     DH *(*dh)(SSL *ssl, int is_export, int keylength));
1482 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
1483     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1484 void SSL_set_tmp_ecdh_callback(SSL *ssl,
1485     EC_KEY *(*ecdh)(SSL *ssl, int is_export, int keylength));
1486 
1487 size_t SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out);
1488 size_t SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out);
1489 
1490 const void *SSL_get_current_compression(SSL *s);
1491 const void *SSL_get_current_expansion(SSL *s);
1492 
1493 const char *SSL_COMP_get_name(const void *comp);
1494 void *SSL_COMP_get_compression_methods(void);
1495 int SSL_COMP_add_compression_method(int id, void *cm);
1496 
1497 /* TLS extensions functions */
1498 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
1499 
1500 int SSL_set_session_ticket_ext_cb(SSL *s,
1501     tls_session_ticket_ext_cb_fn cb, void *arg);
1502 
1503 /* Pre-shared secret session resumption functions */
1504 int SSL_set_session_secret_cb(SSL *s,
1505     tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
1506 
1507 void SSL_set_debug(SSL *s, int debug);
1508 int SSL_cache_hit(SSL *s);
1509 
1510 /* BEGIN ERROR CODES */
1511 /* The following lines are auto generated by the script mkerr.pl. Any changes
1512  * made after this point may be overwritten when the script is next run.
1513  */
1514 void ERR_load_SSL_strings(void);
1515 
1516 /* Error codes for the SSL functions. */
1517 
1518 /* Function codes. */
1519 #define SSL_F_CLIENT_CERTIFICATE			 100
1520 #define SSL_F_CLIENT_FINISHED				 167
1521 #define SSL_F_CLIENT_HELLO				 101
1522 #define SSL_F_CLIENT_MASTER_KEY				 102
1523 #define SSL_F_D2I_SSL_SESSION				 103
1524 #define SSL_F_DO_DTLS1_WRITE				 245
1525 #define SSL_F_DO_SSL3_WRITE				 104
1526 #define SSL_F_DTLS1_ACCEPT				 246
1527 #define SSL_F_DTLS1_ADD_CERT_TO_BUF			 295
1528 #define SSL_F_DTLS1_BUFFER_RECORD			 247
1529 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM			 316
1530 #define SSL_F_DTLS1_CLIENT_HELLO			 248
1531 #define SSL_F_DTLS1_CONNECT				 249
1532 #define SSL_F_DTLS1_ENC					 250
1533 #define SSL_F_DTLS1_GET_HELLO_VERIFY			 251
1534 #define SSL_F_DTLS1_GET_MESSAGE				 252
1535 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT		 253
1536 #define SSL_F_DTLS1_GET_RECORD				 254
1537 #define SSL_F_DTLS1_HANDLE_TIMEOUT			 297
1538 #define SSL_F_DTLS1_HEARTBEAT				 305
1539 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN			 255
1540 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT			 288
1541 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE		 256
1542 #define SSL_F_DTLS1_PROCESS_RECORD			 257
1543 #define SSL_F_DTLS1_READ_BYTES				 258
1544 #define SSL_F_DTLS1_READ_FAILED				 259
1545 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST		 260
1546 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE		 261
1547 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE		 262
1548 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY			 263
1549 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST		 264
1550 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE		 265
1551 #define SSL_F_DTLS1_SEND_SERVER_HELLO			 266
1552 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE		 267
1553 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES		 268
1554 #define SSL_F_GET_CLIENT_FINISHED			 105
1555 #define SSL_F_GET_CLIENT_HELLO				 106
1556 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
1557 #define SSL_F_GET_SERVER_FINISHED			 108
1558 #define SSL_F_GET_SERVER_HELLO				 109
1559 #define SSL_F_GET_SERVER_VERIFY				 110
1560 #define SSL_F_I2D_SSL_SESSION				 111
1561 #define SSL_F_READ_N					 112
1562 #define SSL_F_REQUEST_CERTIFICATE			 113
1563 #define SSL_F_SERVER_FINISH				 239
1564 #define SSL_F_SERVER_HELLO				 114
1565 #define SSL_F_SERVER_VERIFY				 240
1566 #define SSL_F_SSL23_ACCEPT				 115
1567 #define SSL_F_SSL23_CLIENT_HELLO			 116
1568 #define SSL_F_SSL23_CONNECT				 117
1569 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
1570 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
1571 #define SSL_F_SSL23_PEEK				 237
1572 #define SSL_F_SSL23_READ				 120
1573 #define SSL_F_SSL23_WRITE				 121
1574 #define SSL_F_SSL2_ACCEPT				 122
1575 #define SSL_F_SSL2_CONNECT				 123
1576 #define SSL_F_SSL2_ENC_INIT				 124
1577 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
1578 #define SSL_F_SSL2_PEEK					 234
1579 #define SSL_F_SSL2_READ					 125
1580 #define SSL_F_SSL2_READ_INTERNAL			 236
1581 #define SSL_F_SSL2_SET_CERTIFICATE			 126
1582 #define SSL_F_SSL2_WRITE				 127
1583 #define SSL_F_SSL3_ACCEPT				 128
1584 #define SSL_F_SSL3_ADD_CERT_TO_BUF			 296
1585 #define SSL_F_SSL3_CALLBACK_CTRL			 233
1586 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
1587 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
1588 #define SSL_F_SSL3_CHECK_CLIENT_HELLO			 304
1589 #define SSL_F_SSL3_CLIENT_HELLO				 131
1590 #define SSL_F_SSL3_CONNECT				 132
1591 #define SSL_F_SSL3_CTRL					 213
1592 #define SSL_F_SSL3_CTX_CTRL				 133
1593 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS		 293
1594 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC		 292
1595 #define SSL_F_SSL3_ENC					 134
1596 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
1597 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
1598 #define SSL_F_SSL3_GET_CERT_STATUS			 289
1599 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
1600 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
1601 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
1602 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
1603 #define SSL_F_SSL3_GET_FINISHED				 140
1604 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
1605 #define SSL_F_SSL3_GET_MESSAGE				 142
1606 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET		 283
1607 #define SSL_F_SSL3_GET_NEXT_PROTO			 306
1608 #define SSL_F_SSL3_GET_RECORD				 143
1609 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
1610 #define SSL_F_SSL3_GET_SERVER_DONE			 145
1611 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
1612 #define SSL_F_SSL3_HANDSHAKE_MAC			 285
1613 #define SSL_F_SSL3_NEW_SESSION_TICKET			 287
1614 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
1615 #define SSL_F_SSL3_PEEK					 235
1616 #define SSL_F_SSL3_READ_BYTES				 148
1617 #define SSL_F_SSL3_READ_N				 149
1618 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
1619 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
1620 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
1621 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
1622 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
1623 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
1624 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
1625 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
1626 #define SSL_F_SSL3_SETUP_READ_BUFFER			 156
1627 #define SSL_F_SSL3_SETUP_WRITE_BUFFER			 291
1628 #define SSL_F_SSL3_WRITE_BYTES				 158
1629 #define SSL_F_SSL3_WRITE_PENDING			 159
1630 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT	 298
1631 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT		 277
1632 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT		 307
1633 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
1634 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
1635 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT	 299
1636 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT		 278
1637 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT		 308
1638 #define SSL_F_SSL_BAD_METHOD				 160
1639 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
1640 #define SSL_F_SSL_CERT_DUP				 221
1641 #define SSL_F_SSL_CERT_INST				 222
1642 #define SSL_F_SSL_CERT_INSTANTIATE			 214
1643 #define SSL_F_SSL_CERT_NEW				 162
1644 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
1645 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT		 280
1646 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG		 279
1647 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
1648 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
1649 #define SSL_F_SSL_CLEAR					 164
1650 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
1651 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
1652 #define SSL_F_SSL_CTRL					 232
1653 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
1654 #define SSL_F_SSL_CTX_MAKE_PROFILES			 309
1655 #define SSL_F_SSL_CTX_NEW				 169
1656 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
1657 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE		 290
1658 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
1659 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
1660 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
1661 #define SSL_F_SSL_CTX_SET_TRUST				 229
1662 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
1663 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
1664 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
1665 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
1666 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
1667 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
1668 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
1669 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT		 272
1670 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
1671 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
1672 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
1673 #define SSL_F_SSL_DO_HANDSHAKE				 180
1674 #define SSL_F_SSL_GET_NEW_SESSION			 181
1675 #define SSL_F_SSL_GET_PREV_SESSION			 217
1676 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
1677 #define SSL_F_SSL_GET_SERVER_SEND_PKEY			 317
1678 #define SSL_F_SSL_GET_SIGN_PKEY				 183
1679 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
1680 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
1681 #define SSL_F_SSL_NEW					 186
1682 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT	 300
1683 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT		 302
1684 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT	 310
1685 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT	 301
1686 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT		 303
1687 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT	 311
1688 #define SSL_F_SSL_PEEK					 270
1689 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT		 281
1690 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT		 282
1691 #define SSL_F_SSL_READ					 223
1692 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
1693 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
1694 #define SSL_F_SSL_SESSION_NEW				 189
1695 #define SSL_F_SSL_SESSION_PRINT_FP			 190
1696 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT		 312
1697 #define SSL_F_SSL_SESS_CERT_NEW				 225
1698 #define SSL_F_SSL_SET_CERT				 191
1699 #define SSL_F_SSL_SET_CIPHER_LIST			 271
1700 #define SSL_F_SSL_SET_FD				 192
1701 #define SSL_F_SSL_SET_PKEY				 193
1702 #define SSL_F_SSL_SET_PURPOSE				 227
1703 #define SSL_F_SSL_SET_RFD				 194
1704 #define SSL_F_SSL_SET_SESSION				 195
1705 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
1706 #define SSL_F_SSL_SET_SESSION_TICKET_EXT		 294
1707 #define SSL_F_SSL_SET_TRUST				 228
1708 #define SSL_F_SSL_SET_WFD				 196
1709 #define SSL_F_SSL_SHUTDOWN				 224
1710 #define SSL_F_SSL_SRP_CTX_INIT				 313
1711 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
1712 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
1713 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION		 244
1714 #define SSL_F_SSL_USE_CERTIFICATE			 198
1715 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
1716 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
1717 #define SSL_F_SSL_USE_PRIVATEKEY			 201
1718 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
1719 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
1720 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT			 273
1721 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
1722 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
1723 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
1724 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
1725 #define SSL_F_SSL_WRITE					 208
1726 #define SSL_F_TLS1_AEAD_CTX_INIT			 339
1727 #define SSL_F_TLS1_CERT_VERIFY_MAC			 286
1728 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
1729 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_AEAD		 340
1730 #define SSL_F_TLS1_CHANGE_CIPHER_STATE_CIPHER		 338
1731 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT		 274
1732 #define SSL_F_TLS1_ENC					 210
1733 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL		 314
1734 #define SSL_F_TLS1_HEARTBEAT				 315
1735 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT		 275
1736 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT		 276
1737 #define SSL_F_TLS1_PRF					 284
1738 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
1739 #define SSL_F_WRITE_PENDING				 212
1740 
1741 /* Reason codes. */
1742 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
1743 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
1744 #define SSL_R_BAD_ALERT_RECORD				 101
1745 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
1746 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
1747 #define SSL_R_BAD_CHECKSUM				 104
1748 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
1749 #define SSL_R_BAD_DECOMPRESSION				 107
1750 #define SSL_R_BAD_DH_G_LENGTH				 108
1751 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
1752 #define SSL_R_BAD_DH_P_LENGTH				 110
1753 #define SSL_R_BAD_DIGEST_LENGTH				 111
1754 #define SSL_R_BAD_DSA_SIGNATURE				 112
1755 #define SSL_R_BAD_ECC_CERT				 304
1756 #define SSL_R_BAD_ECDSA_SIGNATURE			 305
1757 #define SSL_R_BAD_ECPOINT				 306
1758 #define SSL_R_BAD_HANDSHAKE_LENGTH			 332
1759 #define SSL_R_BAD_HELLO_REQUEST				 105
1760 #define SSL_R_BAD_LENGTH				 271
1761 #define SSL_R_BAD_MAC_DECODE				 113
1762 #define SSL_R_BAD_MAC_LENGTH				 333
1763 #define SSL_R_BAD_MESSAGE_TYPE				 114
1764 #define SSL_R_BAD_PACKET_LENGTH				 115
1765 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
1766 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH		 316
1767 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
1768 #define SSL_R_BAD_RSA_DECRYPT				 118
1769 #define SSL_R_BAD_RSA_ENCRYPT				 119
1770 #define SSL_R_BAD_RSA_E_LENGTH				 120
1771 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
1772 #define SSL_R_BAD_RSA_SIGNATURE				 122
1773 #define SSL_R_BAD_SIGNATURE				 123
1774 #define SSL_R_BAD_SRP_A_LENGTH				 347
1775 #define SSL_R_BAD_SRP_B_LENGTH				 348
1776 #define SSL_R_BAD_SRP_G_LENGTH				 349
1777 #define SSL_R_BAD_SRP_N_LENGTH				 350
1778 #define SSL_R_BAD_SRP_S_LENGTH				 351
1779 #define SSL_R_BAD_SRTP_MKI_VALUE			 352
1780 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST		 353
1781 #define SSL_R_BAD_SSL_FILETYPE				 124
1782 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
1783 #define SSL_R_BAD_STATE					 126
1784 #define SSL_R_BAD_WRITE_RETRY				 127
1785 #define SSL_R_BIO_NOT_SET				 128
1786 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
1787 #define SSL_R_BN_LIB					 130
1788 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
1789 #define SSL_R_CA_DN_TOO_LONG				 132
1790 #define SSL_R_CCS_RECEIVED_EARLY			 133
1791 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
1792 #define SSL_R_CERT_LENGTH_MISMATCH			 135
1793 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
1794 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
1795 #define SSL_R_CIPHER_COMPRESSION_UNAVAILABLE		 371
1796 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
1797 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
1798 #define SSL_R_CLIENTHELLO_TLSEXT			 226
1799 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
1800 #define SSL_R_COMPRESSION_DISABLED			 343
1801 #define SSL_R_COMPRESSION_FAILURE			 141
1802 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE	 307
1803 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
1804 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
1805 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
1806 #define SSL_R_COOKIE_MISMATCH				 308
1807 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
1808 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
1809 #define SSL_R_DECRYPTION_FAILED				 147
1810 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
1811 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
1812 #define SSL_R_DIGEST_CHECK_FAILED			 149
1813 #define SSL_R_DTLS_MESSAGE_TOO_BIG			 334
1814 #define SSL_R_DUPLICATE_COMPRESSION_ID			 309
1815 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT		 317
1816 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING			 318
1817 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE	 322
1818 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE	 323
1819 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER		 310
1820 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST	 354
1821 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
1822 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
1823 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
1824 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
1825 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
1826 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
1827 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS		 355
1828 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION		 356
1829 #define SSL_R_HTTPS_PROXY_REQUEST			 155
1830 #define SSL_R_HTTP_REQUEST				 156
1831 #define SSL_R_ILLEGAL_PADDING				 283
1832 #define SSL_R_INAPPROPRIATE_FALLBACK			 373
1833 #define SSL_R_INCONSISTENT_COMPRESSION			 340
1834 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
1835 #define SSL_R_INVALID_COMMAND				 280
1836 #define SSL_R_INVALID_COMPRESSION_ALGORITHM		 341
1837 #define SSL_R_INVALID_PURPOSE				 278
1838 #define SSL_R_INVALID_SRP_USERNAME			 357
1839 #define SSL_R_INVALID_STATUS_RESPONSE			 328
1840 #define SSL_R_INVALID_TICKET_KEYS_LENGTH		 325
1841 #define SSL_R_INVALID_TRUST				 279
1842 #define SSL_R_KEY_ARG_TOO_LONG				 284
1843 #define SSL_R_KRB5					 285
1844 #define SSL_R_KRB5_C_CC_PRINC				 286
1845 #define SSL_R_KRB5_C_GET_CRED				 287
1846 #define SSL_R_KRB5_C_INIT				 288
1847 #define SSL_R_KRB5_C_MK_REQ				 289
1848 #define SSL_R_KRB5_S_BAD_TICKET				 290
1849 #define SSL_R_KRB5_S_INIT				 291
1850 #define SSL_R_KRB5_S_RD_REQ				 292
1851 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
1852 #define SSL_R_KRB5_S_TKT_NYV				 294
1853 #define SSL_R_KRB5_S_TKT_SKEW				 295
1854 #define SSL_R_LENGTH_MISMATCH				 159
1855 #define SSL_R_LENGTH_TOO_SHORT				 160
1856 #define SSL_R_LIBRARY_BUG				 274
1857 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
1858 #define SSL_R_MESSAGE_TOO_LONG				 296
1859 #define SSL_R_MISSING_DH_DSA_CERT			 162
1860 #define SSL_R_MISSING_DH_KEY				 163
1861 #define SSL_R_MISSING_DH_RSA_CERT			 164
1862 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
1863 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
1864 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
1865 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
1866 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
1867 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
1868 #define SSL_R_MISSING_SRP_PARAM				 358
1869 #define SSL_R_MISSING_TMP_DH_KEY			 171
1870 #define SSL_R_MISSING_TMP_ECDH_KEY			 311
1871 #define SSL_R_MISSING_TMP_RSA_KEY			 172
1872 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
1873 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
1874 #define SSL_R_MULTIPLE_SGC_RESTARTS			 346
1875 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
1876 #define SSL_R_NO_APPLICATION_PROTOCOL			 235
1877 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
1878 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
1879 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
1880 #define SSL_R_NO_CERTIFICATE_SET			 179
1881 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
1882 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
1883 #define SSL_R_NO_CIPHERS_PASSED				 182
1884 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
1885 #define SSL_R_NO_CIPHER_LIST				 184
1886 #define SSL_R_NO_CIPHER_MATCH				 185
1887 #define SSL_R_NO_CLIENT_CERT_METHOD			 331
1888 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
1889 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
1890 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER		 330
1891 #define SSL_R_NO_METHOD_SPECIFIED			 188
1892 #define SSL_R_NO_PRIVATEKEY				 189
1893 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
1894 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
1895 #define SSL_R_NO_PUBLICKEY				 192
1896 #define SSL_R_NO_RENEGOTIATION				 339
1897 #define SSL_R_NO_REQUIRED_DIGEST			 324
1898 #define SSL_R_NO_SHARED_CIPHER				 193
1899 #define SSL_R_NO_SRTP_PROFILES				 359
1900 #define SSL_R_NO_VERIFY_CALLBACK			 194
1901 #define SSL_R_NULL_SSL_CTX				 195
1902 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
1903 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
1904 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
1905 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
1906 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
1907 #define SSL_R_PARSE_TLSEXT				 227
1908 #define SSL_R_PATH_TOO_LONG				 270
1909 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
1910 #define SSL_R_PEER_ERROR				 200
1911 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
1912 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
1913 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
1914 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
1915 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
1916 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
1917 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
1918 #define SSL_R_PSK_IDENTITY_NOT_FOUND			 223
1919 #define SSL_R_PSK_NO_CLIENT_CB				 224
1920 #define SSL_R_PSK_NO_SERVER_CB				 225
1921 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
1922 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
1923 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
1924 #define SSL_R_READ_BIO_NOT_SET				 211
1925 #define SSL_R_READ_TIMEOUT_EXPIRED			 312
1926 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
1927 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
1928 #define SSL_R_RECORD_TOO_LARGE				 214
1929 #define SSL_R_RECORD_TOO_SMALL				 298
1930 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG			 335
1931 #define SSL_R_RENEGOTIATION_ENCODING_ERR		 336
1932 #define SSL_R_RENEGOTIATION_MISMATCH			 337
1933 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
1934 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING	 342
1935 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
1936 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
1937 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
1938 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING		 345
1939 #define SSL_R_SERVERHELLO_TLSEXT			 275
1940 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
1941 #define SSL_R_SHORT_READ				 219
1942 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR		 360
1943 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
1944 #define SSL_R_SRP_A_CALC				 361
1945 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES		 362
1946 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG	 363
1947 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE		 364
1948 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
1949 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
1950 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT		 321
1951 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME		 319
1952 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE		 320
1953 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
1954 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
1955 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
1956 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
1957 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
1958 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
1959 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
1960 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
1961 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
1962 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
1963 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
1964 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
1965 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
1966 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
1967 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
1968 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
1969 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
1970 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
1971 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
1972 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
1973 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
1974 #define SSL_R_SSL_SESSION_ID_TOO_LONG			 408
1975 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
1976 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
1977 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
1978 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
1979 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
1980 #define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK	 1086
1981 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
1982 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
1983 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
1984 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
1985 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
1986 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
1987 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
1988 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE		 1114
1989 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE	 1113
1990 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE		 1111
1991 #define SSL_R_TLSV1_UNRECOGNIZED_NAME			 1112
1992 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION		 1110
1993 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
1994 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT		 365
1995 #define SSL_R_TLS_HEARTBEAT_PENDING			 366
1996 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL		 367
1997 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST		 157
1998 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
1999 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
2000 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
2001 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
2002 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS		 313
2003 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
2004 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
2005 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS		 314
2006 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
2007 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
2008 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
2009 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
2010 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
2011 #define SSL_R_UNEXPECTED_MESSAGE			 244
2012 #define SSL_R_UNEXPECTED_RECORD				 245
2013 #define SSL_R_UNINITIALIZED				 276
2014 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
2015 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
2016 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
2017 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
2018 #define SSL_R_UNKNOWN_DIGEST				 368
2019 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
2020 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
2021 #define SSL_R_UNKNOWN_PROTOCOL				 252
2022 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
2023 #define SSL_R_UNKNOWN_SSL_VERSION			 254
2024 #define SSL_R_UNKNOWN_STATE				 255
2025 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED	 338
2026 #define SSL_R_UNSUPPORTED_CIPHER			 256
2027 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
2028 #define SSL_R_UNSUPPORTED_DIGEST_TYPE			 326
2029 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE		 315
2030 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
2031 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
2032 #define SSL_R_UNSUPPORTED_STATUS_TYPE			 329
2033 #define SSL_R_USE_SRTP_NOT_NEGOTIATED			 369
2034 #define SSL_R_WRITE_BIO_NOT_SET				 260
2035 #define SSL_R_WRONG_CIPHER_RETURNED			 261
2036 #define SSL_R_WRONG_CURVE				 378
2037 #define SSL_R_WRONG_MESSAGE_TYPE			 262
2038 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
2039 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
2040 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
2041 #define SSL_R_WRONG_SIGNATURE_TYPE			 370
2042 #define SSL_R_WRONG_SSL_VERSION				 266
2043 #define SSL_R_WRONG_VERSION_NUMBER			 267
2044 #define SSL_R_X509_LIB					 268
2045 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
2046 #define SSL_R_PEER_BEHAVING_BADLY			 666
2047 #define SSL_R_UNKNOWN					 999
2048 
2049 /*
2050  * OpenSSL compatible OPENSSL_INIT options
2051  */
2052 
2053 /*
2054  * These are provided for compatibiliy, but have no effect
2055  * on how LibreSSL is initialized.
2056  */
2057 #define OPENSSL_INIT_LOAD_SSL_STRINGS	_OPENSSL_INIT_FLAG_NOOP
2058 #define OPENSSL_INIT_SSL_DEFAULT	_OPENSSL_INIT_FLAG_NOOP
2059 
2060 int OPENSSL_init_ssl(uint64_t opts, const void *settings);
2061 
2062 #ifdef  __cplusplus
2063 }
2064 #endif
2065 #endif
2066