ssl.h source code [include/openssl/ssl.h]

1	/*
2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3	*
4	* Licensed under the OpenSSL license (the "License"). You may not use
5	* this file except in compliance with the License. You can obtain a copy
6	* in the file LICENSE in the source distribution or at
7	* https://www.openssl.org/source/license.html
8	*/
9
10	/ ====================================================================*
11	* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12	* ECC cipher suite support in OpenSSL originally developed by
13	* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
14	*/
15	/ ====================================================================*
16	* Copyright 2005 Nokia. All rights reserved.
17	*
18	* The portions of the attached software ("Contribution") is developed by
19	* Nokia Corporation and is licensed pursuant to the OpenSSL open source
20	* license.
21	*
22	* The Contribution, originally written by Mika Kousa and Pasi Eronen of
23	* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24	* support (see RFC 4279) to OpenSSL.
25	*
26	* No patent licenses or other rights except those expressly stated in
27	* the OpenSSL open source license shall be deemed granted or received
28	* expressly, by implication, estoppel, or otherwise.
29	*
30	* No assurances are provided by Nokia that the Contribution does not
31	* infringe the patent or other intellectual property rights of any third
32	* party or that the license provides you with all the necessary rights
33	* to make use of the Contribution.
34	*
35	* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36	* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37	* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38	* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
39	* OTHERWISE.
40	*/
41
42	#ifndef HEADER_SSL_H
43	# define HEADER_SSL_H
44
45	# include <openssl/e_os2.h>
46	# include <openssl/opensslconf.h>
47	# include <openssl/comp.h>
48	# include <openssl/bio.h>
49	# if OPENSSL_API_COMPAT < 0x10100000L
50	# include <openssl/x509.h>
51	# include <openssl/crypto.h>
52	# include <openssl/lhash.h>
53	# include <openssl/buffer.h>
54	# endif
55	# include <openssl/pem.h>
56	# include <openssl/hmac.h>
57	# include <openssl/async.h>
58
59	# include <openssl/safestack.h>
60	# include <openssl/symhacks.h>
61	# include <openssl/ct.h>
62
63	#ifdef __cplusplus
64	extern "C" {
65	#endif
66
67	/ OpenSSL version number for ASN.1 encoding of the session information /
68	/-*
69	* Version 0 - initial version
70	* Version 1 - added the optional peer certificate
71	*/
72	# define SSL_SESSION_ASN1_VERSION 0x0001
73
74	# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
75	# define SSL_MAX_SID_CTX_LENGTH 32
76
77	# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
78	# define SSL_MAX_KEY_ARG_LENGTH 8
79	# define SSL_MAX_MASTER_KEY_LENGTH 48
80
81	/ The maximum number of encrypt/decrypt pipelines we can support /
82	# define SSL_MAX_PIPELINES 32
83
84	/ text strings for the ciphers /
85
86	/ These are used to specify which ciphers to use and not to use /
87
88	# define SSL_TXT_LOW "LOW"
89	# define SSL_TXT_MEDIUM "MEDIUM"
90	# define SSL_TXT_HIGH "HIGH"
91	# define SSL_TXT_FIPS "FIPS"
92
93	# define SSL_TXT_aNULL "aNULL"
94	# define SSL_TXT_eNULL "eNULL"
95	# define SSL_TXT_NULL "NULL"
96
97	# define SSL_TXT_kRSA "kRSA"
98	# define SSL_TXT_kDHr "kDHr"
99	# define SSL_TXT_kDHd "kDHd"
100	# define SSL_TXT_kDH "kDH"
101	# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
102	# define SSL_TXT_kDHE "kDHE"
103	# define SSL_TXT_kECDHr "kECDHr"
104	# define SSL_TXT_kECDHe "kECDHe"
105	# define SSL_TXT_kECDH "kECDH"
106	# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
107	# define SSL_TXT_kECDHE "kECDHE"
108	# define SSL_TXT_kPSK "kPSK"
109	# define SSL_TXT_kRSAPSK "kRSAPSK"
110	# define SSL_TXT_kECDHEPSK "kECDHEPSK"
111	# define SSL_TXT_kDHEPSK "kDHEPSK"
112	# define SSL_TXT_kGOST "kGOST"
113	# define SSL_TXT_kSRP "kSRP"
114
115	# define SSL_TXT_aRSA "aRSA"
116	# define SSL_TXT_aDSS "aDSS"
117	# define SSL_TXT_aDH "aDH"
118	# define SSL_TXT_aECDH "aECDH"
119	# define SSL_TXT_aECDSA "aECDSA"
120	# define SSL_TXT_aPSK "aPSK"
121	# define SSL_TXT_aGOST94 "aGOST94"
122	# define SSL_TXT_aGOST01 "aGOST01"
123	# define SSL_TXT_aGOST12 "aGOST12"
124	# define SSL_TXT_aGOST "aGOST"
125	# define SSL_TXT_aSRP "aSRP"
126
127	# define SSL_TXT_DSS "DSS"
128	# define SSL_TXT_DH "DH"
129	# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
130	# define SSL_TXT_EDH "EDH"/* alias for DHE */
131	# define SSL_TXT_ADH "ADH"
132	# define SSL_TXT_RSA "RSA"
133	# define SSL_TXT_ECDH "ECDH"
134	# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
135	# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
136	# define SSL_TXT_AECDH "AECDH"
137	# define SSL_TXT_ECDSA "ECDSA"
138	# define SSL_TXT_PSK "PSK"
139	# define SSL_TXT_SRP "SRP"
140
141	# define SSL_TXT_DES "DES"
142	# define SSL_TXT_3DES "3DES"
143	# define SSL_TXT_RC4 "RC4"
144	# define SSL_TXT_RC2 "RC2"
145	# define SSL_TXT_IDEA "IDEA"
146	# define SSL_TXT_SEED "SEED"
147	# define SSL_TXT_AES128 "AES128"
148	# define SSL_TXT_AES256 "AES256"
149	# define SSL_TXT_AES "AES"
150	# define SSL_TXT_AES_GCM "AESGCM"
151	# define SSL_TXT_AES_CCM "AESCCM"
152	# define SSL_TXT_AES_CCM_8 "AESCCM8"
153	# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
154	# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
155	# define SSL_TXT_CAMELLIA "CAMELLIA"
156	# define SSL_TXT_CHACHA20 "CHACHA20"
157	# define SSL_TXT_GOST "GOST89"
158
159	# define SSL_TXT_MD5 "MD5"
160	# define SSL_TXT_SHA1 "SHA1"
161	# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
162	# define SSL_TXT_GOST94 "GOST94"
163	# define SSL_TXT_GOST89MAC "GOST89MAC"
164	# define SSL_TXT_GOST12 "GOST12"
165	# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
166	# define SSL_TXT_SHA256 "SHA256"
167	# define SSL_TXT_SHA384 "SHA384"
168
169	# define SSL_TXT_SSLV3 "SSLv3"
170	# define SSL_TXT_TLSV1 "TLSv1"
171	# define SSL_TXT_TLSV1_1 "TLSv1.1"
172	# define SSL_TXT_TLSV1_2 "TLSv1.2"
173
174	# define SSL_TXT_ALL "ALL"
175
176	/-*
177	* COMPLEMENTOF* definitions. These identifiers are used to (de-select)
178	* ciphers normally not being used.
179	* Example: "RC4" will activate all ciphers using RC4 including ciphers
180	* without authentication, which would normally disabled by DEFAULT (due
181	* the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
182	* will make sure that it is also disabled in the specific selection.
183	* COMPLEMENTOF* identifiers are portable between version, as adjustments
184	* to the default cipher setup will also be included here.
185	*
186	* COMPLEMENTOFDEFAULT does not experience the same special treatment that
187	* DEFAULT gets, as only selection is being done and no sorting as needed
188	* for DEFAULT.
189	*/
190	# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
191	# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
192
193	/*
194	* The following cipher list is used by default. It also is substituted when
195	* an application-defined cipher list string starts with 'DEFAULT'.
196	*/
197	# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
198	/*
199	* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
200	* starts with a reasonable order, and all we have to do for DEFAULT is
201	* throwing out anonymous and unencrypted ciphersuites! (The latter are not
202	* actually enabled by ALL, but "ALL:RSA" would enable some of them.)
203	*/
204
205	/ Used in SSL_set_shutdown()/SSL_get_shutdown(); /
206	# define SSL_SENT_SHUTDOWN 1
207	# define SSL_RECEIVED_SHUTDOWN 2
208
209	#ifdef __cplusplus
210	}
211	#endif
212
213	#ifdef __cplusplus
214	extern "C" {
215	#endif
216
217	# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
218	# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
219
220	/*
221	* This is needed to stop compilers complaining about the 'struct ssl_st *'
222	* function parameters used to prototype callbacks in SSL_CTX.
223	*/
224	typedef struct ssl_st *ssl_crock_st;
225	typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
226	typedef struct ssl_method_st SSL_METHOD;
227	typedef struct ssl_cipher_st SSL_CIPHER;
228	typedef struct ssl_session_st SSL_SESSION;
229	typedef struct tls_sigalgs_st TLS_SIGALGS;
230	typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
231	typedef struct ssl_comp_st SSL_COMP;
232
233	STACK_OF(SSL_CIPHER);
234	STACK_OF(SSL_COMP);
235
236	/ SRTP protection profiles for use with the use_srtp extension (RFC 5764)/
237	typedef struct srtp_protection_profile_st {
238	const char *name;
239	unsigned long id;
240	} SRTP_PROTECTION_PROFILE;
241
242	DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
243
244	typedef int (tls_session_ticket_ext_cb_fn) (SSL s,
245	const unsigned char *data,
246	int len, void *arg);
247	typedef int (tls_session_secret_cb_fn) (SSL s, void *secret,
248	int *secret_len,
249	STACK_OF(SSL_CIPHER) *peer_ciphers,
250	const SSL_CIPHER *cipher, void* *arg);
251
252	/ Typedefs for handling custom extensions /
253
254	typedef int (custom_ext_add_cb) (SSL s, unsigned int ext_type,
255	const unsigned char **out,
256	size_t outlen, int* al, void* *add_arg);
257
258	typedef void (custom_ext_free_cb) (SSL s, unsigned int ext_type,
259	const unsigned char out, void* *add_arg);
260
261	typedef int (custom_ext_parse_cb) (SSL s, unsigned int ext_type,
262	const unsigned char *in,
263	size_t inlen, int al, void* *parse_arg);
264
265	/ Typedef for verification callback /
266	typedef int (SSL_verify_cb)(int* preverify_ok, X509_STORE_CTX *x509_ctx);
267
268	/ Allow initial connection to servers that don't support RI /
269	# define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
270	# define SSL_OP_TLSEXT_PADDING 0x00000010U
271	# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
272
273	/*
274	* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
275	* OpenSSL 0.9.6d. Usually (depending on the application protocol) the
276	* workaround is not needed. Unfortunately some broken SSL/TLS
277	* implementations cannot handle it at all, which is why we include it in
278	* SSL_OP_ALL. Added in 0.9.6e
279	*/
280	# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
281
282	/ DTLS options /
283	# define SSL_OP_NO_QUERY_MTU 0x00001000U
284	/ Turn on Cookie Exchange (on relevant for servers) /
285	# define SSL_OP_COOKIE_EXCHANGE 0x00002000U
286	/ Don't use RFC4507 ticket extension /
287	# define SSL_OP_NO_TICKET 0x00004000U
288	# ifndef OPENSSL_NO_DTLS1_METHOD
289	/ Use Cisco's "speshul" version of DTLS_BAD_VER*
290	* (only with deprecated DTLSv1_client_method()) */
291	# define SSL_OP_CISCO_ANYCONNECT 0x00008000U
292	# endif
293
294	/ As server, disallow session resumption on renegotiation /
295	# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
296	/ Don't use compression even if supported /
297	# define SSL_OP_NO_COMPRESSION 0x00020000U
298	/ Permit unsafe legacy renegotiation /
299	# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
300	/ Disable encrypt-then-mac /
301	# define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
302	/*
303	* Set on servers to choose the cipher according to the server's preferences
304	*/
305	# define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
306	/*
307	* If set, a server will allow a client to issue a SSLv3.0 version number as
308	* latest version supported in the premaster secret, even when TLSv1.0
309	* (version 3.1) was announced in the client hello. Normally this is
310	* forbidden to prevent version rollback attacks.
311	*/
312	# define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
313
314	# define SSL_OP_NO_SSLv3 0x02000000U
315	# define SSL_OP_NO_TLSv1 0x04000000U
316	# define SSL_OP_NO_TLSv1_2 0x08000000U
317	# define SSL_OP_NO_TLSv1_1 0x10000000U
318
319	# define SSL_OP_NO_DTLSv1 0x04000000U
320	# define SSL_OP_NO_DTLSv1_2 0x08000000U
321
322	# define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3\|\
323	SSL_OP_NO_TLSv1\|SSL_OP_NO_TLSv1_1\|SSL_OP_NO_TLSv1_2)
324	# define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1\|SSL_OP_NO_DTLSv1_2)
325
326	/*
327	* Make server add server-hello extension from early version of cryptopro
328	* draft, when GOST ciphersuite is negotiated. Required for interoperability
329	* with CryptoPro CSP 3.x
330	*/
331	# define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
332
333	/*
334	* SSL_OP_ALL: various bug workarounds that should be rather harmless.
335	* This used to be 0x000FFFFFL before 0.9.7.
336	* This used to be 0x80000BFFU before 1.1.1.
337	*/
338	# define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG\|\
339	SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS\|\
340	SSL_OP_LEGACY_SERVER_CONNECT\|\
341	SSL_OP_TLSEXT_PADDING\|\
342	SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
343
344	/ OBSOLETE OPTIONS: retained for compatibility /
345
346	/ Removed from OpenSSL 1.1.0. Was 0x00000001L /
347	/ Related to removed SSLv2. /
348	# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
349	/ Removed from OpenSSL 1.1.0. Was 0x00000002L /
350	/ Related to removed SSLv2. /
351	# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
352	/ Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L /
353	/ Dead forever, see CVE-2010-4180 /
354	# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
355	/ Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L /
356	/ Refers to ancient SSLREF and SSLv2. /
357	# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
358	/ Removed from OpenSSL 1.1.0. Was 0x00000020 /
359	# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
360	/ Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L /
361	# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
362	/ Removed from OpenSSL 1.1.0. Was 0x00000080 /
363	/ Ancient SSLeay version. /
364	# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
365	/ Removed from OpenSSL 1.1.0. Was 0x00000100L /
366	# define SSL_OP_TLS_D5_BUG 0x0
367	/ Removed from OpenSSL 1.1.0. Was 0x00000200L /
368	# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
369	/ Removed from OpenSSL 1.1.0. Was 0x00080000L /
370	# define SSL_OP_SINGLE_ECDH_USE 0x0
371	/ Removed from OpenSSL 1.1.0. Was 0x00100000L /
372	# define SSL_OP_SINGLE_DH_USE 0x0
373	/ Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L /
374	# define SSL_OP_EPHEMERAL_RSA 0x0
375	/ Removed from OpenSSL 1.1.0. Was 0x01000000L /
376	# define SSL_OP_NO_SSLv2 0x0
377	/ Removed from OpenSSL 1.0.1. Was 0x08000000L /
378	# define SSL_OP_PKCS1_CHECK_1 0x0
379	/ Removed from OpenSSL 1.0.1. Was 0x10000000L /
380	# define SSL_OP_PKCS1_CHECK_2 0x0
381	/ Removed from OpenSSL 1.1.0. Was 0x20000000L /
382	# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
383	/ Removed from OpenSSL 1.1.0. Was 0x40000000L /
384	# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
385
386	/*
387	* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
388	* when just a single record has been written):
389	*/
390	# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
391	/*
392	* Make it possible to retry SSL_write() with changed buffer location (buffer
393	* contents must stay the same!); this is not the default to avoid the
394	* misconception that non-blocking SSL_write() behaves like non-blocking
395	* write():
396	*/
397	# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
398	/*
399	* Never bother the application with retries if the transport is blocking:
400	*/
401	# define SSL_MODE_AUTO_RETRY 0x00000004U
402	/ Don't attempt to automatically build certificate chain /
403	# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
404	/*
405	* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
406	* TLS only.) "Released" buffers are put onto a free-list in the context or
407	* just freed (depending on the context's setting for freelist_max_len).
408	*/
409	# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
410	/*
411	* Send the current time in the Random fields of the ClientHello and
412	* ServerHello records for compatibility with hypothetical implementations
413	* that require it.
414	*/
415	# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
416	# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
417	/*
418	* Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
419	* that reconnect with a downgraded protocol version; see
420	* draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
421	* application attempts a normal handshake. Only use this in explicit
422	* fallback retries, following the guidance in
423	* draft-ietf-tls-downgrade-scsv-00.
424	*/
425	# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
426	/*
427	* Support Asynchronous operation
428	*/
429	# define SSL_MODE_ASYNC 0x00000100U
430
431	/ Cert related flags /
432	/*
433	* Many implementations ignore some aspects of the TLS standards such as
434	* enforcing certificate chain algorithms. When this is set we enforce them.
435	*/
436	# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
437
438	/ Suite B modes, takes same values as certificate verify flags /
439	# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
440	/ Suite B 192 bit only mode /
441	# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
442	/ Suite B 128 bit mode allowing 192 bit algorithms /
443	# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
444
445	/ Perform all sorts of protocol violations for testing purposes /
446	# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
447
448	/ Flags for building certificate chains /
449	/ Treat any existing certificates as untrusted CAs /
450	# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
451	/ Don't include root CA in chain /
452	# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
453	/ Just check certificates already there /
454	# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
455	/ Ignore verification errors /
456	# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
457	/ Clear verification errors from queue /
458	# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
459
460	/ Flags returned by SSL_check_chain /
461	/ Certificate can be used with this session /
462	# define CERT_PKEY_VALID 0x1
463	/ Certificate can also be used for signing /
464	# define CERT_PKEY_SIGN 0x2
465	/ EE certificate signing algorithm OK /
466	# define CERT_PKEY_EE_SIGNATURE 0x10
467	/ CA signature algorithms OK /
468	# define CERT_PKEY_CA_SIGNATURE 0x20
469	/ EE certificate parameters OK /
470	# define CERT_PKEY_EE_PARAM 0x40
471	/ CA certificate parameters OK /
472	# define CERT_PKEY_CA_PARAM 0x80
473	/ Signing explicitly allowed as opposed to SHA1 fallback /
474	# define CERT_PKEY_EXPLICIT_SIGN 0x100
475	/ Client CA issuer names match (always set for server cert) /
476	# define CERT_PKEY_ISSUER_NAME 0x200
477	/ Cert type matches client types (always set for server cert) /
478	# define CERT_PKEY_CERT_TYPE 0x400
479	/ Cert chain suitable to Suite B /
480	# define CERT_PKEY_SUITEB 0x800
481
482	# define SSL_CONF_FLAG_CMDLINE 0x1
483	# define SSL_CONF_FLAG_FILE 0x2
484	# define SSL_CONF_FLAG_CLIENT 0x4
485	# define SSL_CONF_FLAG_SERVER 0x8
486	# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
487	# define SSL_CONF_FLAG_CERTIFICATE 0x20
488	# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
489	/ Configuration value types /
490	# define SSL_CONF_TYPE_UNKNOWN 0x0
491	# define SSL_CONF_TYPE_STRING 0x1
492	# define SSL_CONF_TYPE_FILE 0x2
493	# define SSL_CONF_TYPE_DIR 0x3
494	# define SSL_CONF_TYPE_NONE 0x4
495
496	/*
497	* Note: SSL[_CTX]_set_{options,mode} use \|= op on the previous value, they
498	* cannot be used to clear bits.
499	*/
500
501	unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
502	unsigned long SSL_get_options(const SSL* s);
503	unsigned long SSL_CTX_clear_options(SSL_CTX ctx, unsigned* long op);
504	unsigned long SSL_clear_options(SSL s, unsigned* long op);
505	unsigned long SSL_CTX_set_options(SSL_CTX ctx, unsigned* long op);
506	unsigned long SSL_set_options(SSL s, unsigned* long op);
507
508	# define SSL_CTX_set_mode(ctx,op) \
509	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
510	# define SSL_CTX_clear_mode(ctx,op) \
511	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
512	# define SSL_CTX_get_mode(ctx) \
513	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
514	# define SSL_clear_mode(ssl,op) \
515	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
516	# define SSL_set_mode(ssl,op) \
517	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
518	# define SSL_get_mode(ssl) \
519	SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
520	# define SSL_set_mtu(ssl, mtu) \
521	SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
522	# define DTLS_set_link_mtu(ssl, mtu) \
523	SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
524	# define DTLS_get_link_min_mtu(ssl) \
525	SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
526
527	# define SSL_get_secure_renegotiation_support(ssl) \
528	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
529
530	# ifndef OPENSSL_NO_HEARTBEATS
531	# define SSL_heartbeat(ssl) \
532	SSL_ctrl((ssl),SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT,0,NULL)
533	# endif
534
535	# define SSL_CTX_set_cert_flags(ctx,op) \
536	SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
537	# define SSL_set_cert_flags(s,op) \
538	SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
539	# define SSL_CTX_clear_cert_flags(ctx,op) \
540	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
541	# define SSL_clear_cert_flags(s,op) \
542	SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
543
544	void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
545	void (cb) (int* write_p, int version,
546	int content_type, const void *buf,
547	size_t len, SSL ssl, void* *arg));
548	void SSL_set_msg_callback(SSL *ssl,
549	void (cb) (int* write_p, int version,
550	int content_type, const void *buf,
551	size_t len, SSL ssl, void* *arg));
552	# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
553	# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
554
555	# define SSL_get_extms_support(s) \
556	SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
557
558	# ifndef OPENSSL_NO_SRP
559
560	/ see tls_srp.c /
561	__owur int SSL_SRP_CTX_init(SSL *s);
562	__owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
563	int SSL_SRP_CTX_free(SSL *ctx);
564	int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
565	__owur int SSL_srp_server_param_with_username(SSL s, int* *ad);
566	__owur int SRP_Calc_A_param(SSL *s);
567
568	# endif
569
570	/ 100k max cert list /
571	# define SSL_MAX_CERT_LIST_DEFAULT 1024*100
572
573	# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
574
575	/*
576	* This callback type is used inside SSL_CTX, SSL, and in the functions that
577	* set them. It is used to override the generation of SSL/TLS session IDs in
578	* a server. Return value should be zero on an error, non-zero to proceed.
579	* Also, callbacks should themselves check if the id they generate is unique
580	* otherwise the SSL handshake will fail with an error - callbacks can do
581	* this using the 'ssl' value they're passed by;
582	* SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
583	* is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
584	* bytes. The callback can alter this length to be less if desired. It is
585	* also an error for the callback to set the size to zero.
586	*/
587	typedef int (GEN_SESSION_CB) (const* SSL ssl, unsigned* char *id,
588	unsigned int *id_len);
589
590	# define SSL_SESS_CACHE_OFF 0x0000
591	# define SSL_SESS_CACHE_CLIENT 0x0001
592	# define SSL_SESS_CACHE_SERVER 0x0002
593	# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT\|SSL_SESS_CACHE_SERVER)
594	# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
595	/ enough comments already ... see SSL_CTX_set_session_cache_mode(3) /
596	# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
597	# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
598	# define SSL_SESS_CACHE_NO_INTERNAL \
599	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP\|SSL_SESS_CACHE_NO_INTERNAL_STORE)
600
601	LHASH_OF(SSL_SESSION) SSL_CTX_sessions(SSL_CTX ctx);
602	# define SSL_CTX_sess_number(ctx) \
603	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
604	# define SSL_CTX_sess_connect(ctx) \
605	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
606	# define SSL_CTX_sess_connect_good(ctx) \
607	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
608	# define SSL_CTX_sess_connect_renegotiate(ctx) \
609	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
610	# define SSL_CTX_sess_accept(ctx) \
611	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
612	# define SSL_CTX_sess_accept_renegotiate(ctx) \
613	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
614	# define SSL_CTX_sess_accept_good(ctx) \
615	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
616	# define SSL_CTX_sess_hits(ctx) \
617	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
618	# define SSL_CTX_sess_cb_hits(ctx) \
619	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
620	# define SSL_CTX_sess_misses(ctx) \
621	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
622	# define SSL_CTX_sess_timeouts(ctx) \
623	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
624	# define SSL_CTX_sess_cache_full(ctx) \
625	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
626
627	void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
628	int (new_session_cb) (struct* ssl_st *ssl,
629	SSL_SESSION *sess));
630	int (SSL_CTX_sess_get_new_cb(SSL_CTX ctx)) (struct ssl_st *ssl,
631	SSL_SESSION *sess);
632	void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
633	void (remove_session_cb) (struct* ssl_ctx_st
634	*ctx,
635	SSL_SESSION
636	*sess));
637	void (SSL_CTX_sess_get_remove_cb(SSL_CTX ctx)) (struct ssl_ctx_st *ctx,
638	SSL_SESSION *sess);
639	void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
640	SSL_SESSION (get_session_cb) (struct ssl_st
641	*ssl,
642	const unsigned char
643	data, int* len,
644	int *copy));
645	SSL_SESSION (SSL_CTX_sess_get_get_cb(SSL_CTX ctx)) (struct* ssl_st *ssl,
646	const unsigned char *data,
647	int len, int *copy);
648	void SSL_CTX_set_info_callback(SSL_CTX *ctx,
649	void (cb) (const* SSL ssl, int* type,
650	int val));
651	void (SSL_CTX_get_info_callback(SSL_CTX ctx)) (const SSL ssl, int* type,
652	int val);
653	void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
654	int (client_cert_cb) (SSL ssl, X509 **x509,
655	EVP_PKEY **pkey));
656	int (SSL_CTX_get_client_cert_cb(SSL_CTX ctx)) (SSL ssl, X509 *x509,
657	EVP_PKEY **pkey);
658	# ifndef OPENSSL_NO_ENGINE
659	__owur int SSL_CTX_set_client_cert_engine(SSL_CTX ctx, ENGINE e);
660	# endif
661	void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
662	int (app_gen_cookie_cb) (SSL ssl,
663	unsigned char
664	*cookie,
665	unsigned int
666	*cookie_len));
667	void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
668	int (app_verify_cookie_cb) (SSL ssl,
669	const unsigned char
670	*cookie,
671	unsigned int
672	cookie_len));
673	# ifndef OPENSSL_NO_NEXTPROTONEG
674	void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
675	int (cb) (SSL ssl,
676	const unsigned char
677	**out,
678	unsigned int *outlen,
679	void arg), void* *arg);
680	void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
681	int (cb) (SSL ssl,
682	unsigned char **out,
683	unsigned char *outlen,
684	const unsigned char *in,
685	unsigned int inlen,
686	void arg), void* *arg);
687	void SSL_get0_next_proto_negotiated(const SSL s, const* unsigned char **data,
688	unsigned *len);
689	# endif
690
691	__owur int SSL_select_next_proto(unsigned char *out, unsigned* char *outlen,
692	const unsigned char in, unsigned* int inlen,
693	const unsigned char *client,
694	unsigned int client_len);
695
696	# define OPENSSL_NPN_UNSUPPORTED 0
697	# define OPENSSL_NPN_NEGOTIATED 1
698	# define OPENSSL_NPN_NO_OVERLAP 2
699
700	__owur int SSL_CTX_set_alpn_protos(SSL_CTX ctx, const* unsigned char *protos,
701	unsigned int protos_len);
702	__owur int SSL_set_alpn_protos(SSL ssl, const* unsigned char *protos,
703	unsigned int protos_len);
704	void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
705	int (cb) (SSL ssl,
706	const unsigned char **out,
707	unsigned char *outlen,
708	const unsigned char *in,
709	unsigned int inlen,
710	void arg), void* *arg);
711	void SSL_get0_alpn_selected(const SSL ssl, const* unsigned char **data,
712	unsigned int *len);
713
714	# ifndef OPENSSL_NO_PSK
715	/*
716	* the maximum length of the buffer given to callbacks containing the
717	* resulting identity/psk
718	*/
719	# define PSK_MAX_IDENTITY_LEN 128
720	# define PSK_MAX_PSK_LEN 256
721	void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
722	unsigned int (*psk_client_callback) (SSL
723	*ssl,
724	const
725	char
726	*hint,
727	char
728	*identity,
729	unsigned
730	int
731	max_identity_len,
732	unsigned
733	char
734	*psk,
735	unsigned
736	int
737	max_psk_len));
738	void SSL_set_psk_client_callback(SSL *ssl,
739	unsigned int (*psk_client_callback) (SSL
740	*ssl,
741	const
742	char
743	*hint,
744	char
745	*identity,
746	unsigned
747	int
748	max_identity_len,
749	unsigned
750	char
751	*psk,
752	unsigned
753	int
754	max_psk_len));
755	void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
756	unsigned int (*psk_server_callback) (SSL
757	*ssl,
758	const
759	char
760	*identity,
761	unsigned
762	char
763	*psk,
764	unsigned
765	int
766	max_psk_len));
767	void SSL_set_psk_server_callback(SSL *ssl,
768	unsigned int (*psk_server_callback) (SSL
769	*ssl,
770	const
771	char
772	*identity,
773	unsigned
774	char
775	*psk,
776	unsigned
777	int
778	max_psk_len));
779	__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX ctx, const* char *identity_hint);
780	__owur int SSL_use_psk_identity_hint(SSL s, const* char *identity_hint);
781	const char SSL_get_psk_identity_hint(const* SSL *s);
782	const char SSL_get_psk_identity(const* SSL *s);
783	# endif
784
785	/ Register callbacks to handle custom TLS Extensions for client or server. /
786
787	__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
788	unsigned int ext_type);
789
790	__owur int SSL_CTX_add_client_custom_ext(SSL_CTX ctx, unsigned* int ext_type,
791	custom_ext_add_cb add_cb,
792	custom_ext_free_cb free_cb,
793	void *add_arg,
794	custom_ext_parse_cb parse_cb,
795	void *parse_arg);
796
797	__owur int SSL_CTX_add_server_custom_ext(SSL_CTX ctx, unsigned* int ext_type,
798	custom_ext_add_cb add_cb,
799	custom_ext_free_cb free_cb,
800	void *add_arg,
801	custom_ext_parse_cb parse_cb,
802	void *parse_arg);
803
804	__owur int SSL_extension_supported(unsigned int ext_type);
805
806	# define SSL_NOTHING 1
807	# define SSL_WRITING 2
808	# define SSL_READING 3
809	# define SSL_X509_LOOKUP 4
810	# define SSL_ASYNC_PAUSED 5
811	# define SSL_ASYNC_NO_JOBS 6
812
813	/ These will only be used when doing non-blocking IO /
814	# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
815	# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
816	# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
817	# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
818	# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
819	# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
820
821	# define SSL_MAC_FLAG_READ_MAC_STREAM 1
822	# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
823
824	#ifdef __cplusplus
825	}
826	#endif
827
828	# include <openssl/ssl2.h>
829	# include <openssl/ssl3.h>
830	# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
831	# include <openssl/dtls1.h> /* Datagram TLS */
832	# include <openssl/srtp.h> /* Support for the use_srtp extension */
833
834	#ifdef __cplusplus
835	extern "C" {
836	#endif
837
838	/*
839	* These need to be after the above set of includes due to a compiler bug
840	* in VisualStudio 2015
841	*/
842	DEFINE_STACK_OF_CONST(SSL_CIPHER)
843	DEFINE_STACK_OF(SSL_COMP)
844
845	/ compatibility /
846	# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)arg))
847	# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
848	# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0,(char *)a))
849	# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
850	# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
851	# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0,(char *)arg))
852	DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL s, int* debug))
853
854
855	/*
856	* The valid handshake states (one for each type message sent and one for each
857	* type of message received). There are also two "special" states:
858	* TLS = TLS or DTLS state
859	* DTLS = DTLS specific state
860	* CR/SR = Client Read/Server Read
861	* CW/SW = Client Write/Server Write
862	*
863	* The "special" states are:
864	* TLS_ST_BEFORE = No handshake has been initiated yet
865	* TLS_ST_OK = A handshake has been successfully completed
866	*/
867	typedef enum {
868	TLS_ST_BEFORE,
869	TLS_ST_OK,
870	DTLS_ST_CR_HELLO_VERIFY_REQUEST,
871	TLS_ST_CR_SRVR_HELLO,
872	TLS_ST_CR_CERT,
873	TLS_ST_CR_CERT_STATUS,
874	TLS_ST_CR_KEY_EXCH,
875	TLS_ST_CR_CERT_REQ,
876	TLS_ST_CR_SRVR_DONE,
877	TLS_ST_CR_SESSION_TICKET,
878	TLS_ST_CR_CHANGE,
879	TLS_ST_CR_FINISHED,
880	TLS_ST_CW_CLNT_HELLO,
881	TLS_ST_CW_CERT,
882	TLS_ST_CW_KEY_EXCH,
883	TLS_ST_CW_CERT_VRFY,
884	TLS_ST_CW_CHANGE,
885	TLS_ST_CW_NEXT_PROTO,
886	TLS_ST_CW_FINISHED,
887	TLS_ST_SW_HELLO_REQ,
888	TLS_ST_SR_CLNT_HELLO,
889	DTLS_ST_SW_HELLO_VERIFY_REQUEST,
890	TLS_ST_SW_SRVR_HELLO,
891	TLS_ST_SW_CERT,
892	TLS_ST_SW_KEY_EXCH,
893	TLS_ST_SW_CERT_REQ,
894	TLS_ST_SW_SRVR_DONE,
895	TLS_ST_SR_CERT,
896	TLS_ST_SR_KEY_EXCH,
897	TLS_ST_SR_CERT_VRFY,
898	TLS_ST_SR_NEXT_PROTO,
899	TLS_ST_SR_CHANGE,
900	TLS_ST_SR_FINISHED,
901	TLS_ST_SW_SESSION_TICKET,
902	TLS_ST_SW_CERT_STATUS,
903	TLS_ST_SW_CHANGE,
904	TLS_ST_SW_FINISHED
905	} OSSL_HANDSHAKE_STATE;
906
907	/*
908	* Most of the following state values are no longer used and are defined to be
909	* the closest equivalent value in the current state machine code. Not all
910	* defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
911	* and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
912	* SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
913	*/
914
915	# define SSL_ST_CONNECT 0x1000
916	# define SSL_ST_ACCEPT 0x2000
917
918	# define SSL_ST_MASK 0x0FFF
919
920	# define SSL_CB_LOOP 0x01
921	# define SSL_CB_EXIT 0x02
922	# define SSL_CB_READ 0x04
923	# define SSL_CB_WRITE 0x08
924	# define SSL_CB_ALERT 0x4000/* used in callback */
925	# define SSL_CB_READ_ALERT (SSL_CB_ALERT\|SSL_CB_READ)
926	# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT\|SSL_CB_WRITE)
927	# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT\|SSL_CB_LOOP)
928	# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT\|SSL_CB_EXIT)
929	# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT\|SSL_CB_LOOP)
930	# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT\|SSL_CB_EXIT)
931	# define SSL_CB_HANDSHAKE_START 0x10
932	# define SSL_CB_HANDSHAKE_DONE 0x20
933
934	/ Is the SSL_connection established? /
935	# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
936	# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
937	int SSL_in_init(SSL *s);
938	int SSL_in_before(SSL *s);
939	int SSL_is_init_finished(SSL *s);
940
941	/*
942	* The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
943	* should not need these
944	*/
945	# define SSL_ST_READ_HEADER 0xF0
946	# define SSL_ST_READ_BODY 0xF1
947	# define SSL_ST_READ_DONE 0xF2
948
949	/-*
950	* Obtain latest Finished message
951	* -- that we sent (SSL_get_finished)
952	* -- that we expected from peer (SSL_get_peer_finished).
953	* Returns length (0 == no Finished so far), copies up to 'count' bytes.
954	*/
955	size_t SSL_get_finished(const SSL s, void* *buf, size_t count);
956	size_t SSL_get_peer_finished(const SSL s, void* *buf, size_t count);
957
958	/*
959	* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options are
960	* 'ored' with SSL_VERIFY_PEER if they are desired
961	*/
962	# define SSL_VERIFY_NONE 0x00
963	# define SSL_VERIFY_PEER 0x01
964	# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
965	# define SSL_VERIFY_CLIENT_ONCE 0x04
966
967	# define OpenSSL_add_ssl_algorithms() SSL_library_init()
968	# if OPENSSL_API_COMPAT < 0x10100000L
969	# define SSLeay_add_ssl_algorithms() SSL_library_init()
970	# endif
971
972	/ More backward compatibility /
973	# define SSL_get_cipher(s) \
974	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
975	# define SSL_get_cipher_bits(s,np) \
976	SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
977	# define SSL_get_cipher_version(s) \
978	SSL_CIPHER_get_version(SSL_get_current_cipher(s))
979	# define SSL_get_cipher_name(s) \
980	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
981	# define SSL_get_time(a) SSL_SESSION_get_time(a)
982	# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
983	# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
984	# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
985
986	# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
987	# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
988
989	DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
990	# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
991	* from SSL_AD_... */
992	/ These alert types are for SSLv3 and TLSv1 /
993	# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
994	/ fatal /
995	# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
996	/ fatal /
997	# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
998	# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
999	# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1000	/ fatal /
1001	# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1002	/ fatal /
1003	# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1004	/ Not for TLS /
1005	# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1006	# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1007	# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1008	# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1009	# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1010	# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1011	/ fatal /
1012	# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1013	/ fatal /
1014	# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1015	/ fatal /
1016	# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1017	/ fatal /
1018	# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1019	# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1020	/ fatal /
1021	# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1022	/ fatal /
1023	# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1024	/ fatal /
1025	# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1026	/ fatal /
1027	# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1028	# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1029	# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1030	# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1031	# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1032	# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1033	# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1034	# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1035	/ fatal /
1036	# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1037	/ fatal /
1038	# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1039	# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1040	# define SSL_ERROR_NONE 0
1041	# define SSL_ERROR_SSL 1
1042	# define SSL_ERROR_WANT_READ 2
1043	# define SSL_ERROR_WANT_WRITE 3
1044	# define SSL_ERROR_WANT_X509_LOOKUP 4
1045	# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1046	* value/errno */
1047	# define SSL_ERROR_ZERO_RETURN 6
1048	# define SSL_ERROR_WANT_CONNECT 7
1049	# define SSL_ERROR_WANT_ACCEPT 8
1050	# define SSL_ERROR_WANT_ASYNC 9
1051	# define SSL_ERROR_WANT_ASYNC_JOB 10
1052	# define SSL_CTRL_SET_TMP_DH 3
1053	# define SSL_CTRL_SET_TMP_ECDH 4
1054	# define SSL_CTRL_SET_TMP_DH_CB 6
1055	# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1056	# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1057	# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1058	# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1059	# define SSL_CTRL_GET_FLAGS 13
1060	# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1061	# define SSL_CTRL_SET_MSG_CALLBACK 15
1062	# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1063	/ only applies to datagram connections /
1064	# define SSL_CTRL_SET_MTU 17
1065	/ Stats /
1066	# define SSL_CTRL_SESS_NUMBER 20
1067	# define SSL_CTRL_SESS_CONNECT 21
1068	# define SSL_CTRL_SESS_CONNECT_GOOD 22
1069	# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1070	# define SSL_CTRL_SESS_ACCEPT 24
1071	# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1072	# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1073	# define SSL_CTRL_SESS_HIT 27
1074	# define SSL_CTRL_SESS_CB_HIT 28
1075	# define SSL_CTRL_SESS_MISSES 29
1076	# define SSL_CTRL_SESS_TIMEOUTS 30
1077	# define SSL_CTRL_SESS_CACHE_FULL 31
1078	# define SSL_CTRL_MODE 33
1079	# define SSL_CTRL_GET_READ_AHEAD 40
1080	# define SSL_CTRL_SET_READ_AHEAD 41
1081	# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1082	# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1083	# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1084	# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1085	# define SSL_CTRL_GET_MAX_CERT_LIST 50
1086	# define SSL_CTRL_SET_MAX_CERT_LIST 51
1087	# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1088	/ see tls1.h for macros based on these /
1089	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1090	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1091	# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1092	# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1093	# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1094	# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1095	# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1096	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 /
1097	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 /
1098	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 /
1099	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1100	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1101	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1102	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1103	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1104	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1105	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1106	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1107	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1108	# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1109	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1110	# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1111	# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1112	# define SSL_CTRL_SET_SRP_ARG 78
1113	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1114	# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1115	# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1116	# ifndef OPENSSL_NO_HEARTBEATS
1117	# define SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT 85
1118	# define SSL_CTRL_GET_DTLS_EXT_HEARTBEAT_PENDING 86
1119	# define SSL_CTRL_SET_DTLS_EXT_HEARTBEAT_NO_REQUESTS 87
1120	# endif
1121	# define DTLS_CTRL_GET_TIMEOUT 73
1122	# define DTLS_CTRL_HANDLE_TIMEOUT 74
1123	# define SSL_CTRL_GET_RI_SUPPORT 76
1124	# define SSL_CTRL_CLEAR_MODE 78
1125	# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1126	# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1127	# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1128	# define SSL_CTRL_CHAIN 88
1129	# define SSL_CTRL_CHAIN_CERT 89
1130	# define SSL_CTRL_GET_CURVES 90
1131	# define SSL_CTRL_SET_CURVES 91
1132	# define SSL_CTRL_SET_CURVES_LIST 92
1133	# define SSL_CTRL_GET_SHARED_CURVE 93
1134	# define SSL_CTRL_SET_SIGALGS 97
1135	# define SSL_CTRL_SET_SIGALGS_LIST 98
1136	# define SSL_CTRL_CERT_FLAGS 99
1137	# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1138	# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1139	# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1140	# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1141	# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1142	# define SSL_CTRL_BUILD_CERT_CHAIN 105
1143	# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1144	# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1145	# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1146	# define SSL_CTRL_GET_SERVER_TMP_KEY 109
1147	# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1148	# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1149	# define SSL_CTRL_GET_CHAIN_CERTS 115
1150	# define SSL_CTRL_SELECT_CURRENT_CERT 116
1151	# define SSL_CTRL_SET_CURRENT_CERT 117
1152	# define SSL_CTRL_SET_DH_AUTO 118
1153	# define DTLS_CTRL_SET_LINK_MTU 120
1154	# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1155	# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1156	# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1157	# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1158	# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1159	# define SSL_CTRL_SET_MAX_PIPELINES 126
1160	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1161	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1162	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1163	# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1164	# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1165	# define SSL_CERT_SET_FIRST 1
1166	# define SSL_CERT_SET_NEXT 2
1167	# define SSL_CERT_SET_SERVER 3
1168	# define DTLSv1_get_timeout(ssl, arg) \
1169	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1170	# define DTLSv1_handle_timeout(ssl) \
1171	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1172	# define SSL_num_renegotiations(ssl) \
1173	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1174	# define SSL_clear_num_renegotiations(ssl) \
1175	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1176	# define SSL_total_renegotiations(ssl) \
1177	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1178	# define SSL_CTX_set_tmp_dh(ctx,dh) \
1179	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1180	# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1181	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1182	# define SSL_CTX_set_dh_auto(ctx, onoff) \
1183	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1184	# define SSL_set_dh_auto(s, onoff) \
1185	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1186	# define SSL_set_tmp_dh(ssl,dh) \
1187	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1188	# define SSL_set_tmp_ecdh(ssl,ecdh) \
1189	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1190	# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1191	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1192	# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1193	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1194	# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1195	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1196	# define SSL_CTX_clear_extra_chain_certs(ctx) \
1197	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1198	# define SSL_CTX_set0_chain(ctx,sk) \
1199	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)sk)
1200	# define SSL_CTX_set1_chain(ctx,sk) \
1201	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)sk)
1202	# define SSL_CTX_add0_chain_cert(ctx,x509) \
1203	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)x509)
1204	# define SSL_CTX_add1_chain_cert(ctx,x509) \
1205	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)x509)
1206	# define SSL_CTX_get0_chain_certs(ctx,px509) \
1207	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1208	# define SSL_CTX_clear_chain_certs(ctx) \
1209	SSL_CTX_set0_chain(ctx,NULL)
1210	# define SSL_CTX_build_cert_chain(ctx, flags) \
1211	SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1212	# define SSL_CTX_select_current_cert(ctx,x509) \
1213	SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)x509)
1214	# define SSL_CTX_set_current_cert(ctx, op) \
1215	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1216	# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1217	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)st)
1218	# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1219	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)st)
1220	# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1221	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)st)
1222	# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1223	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)st)
1224	# define SSL_set0_chain(ctx,sk) \
1225	SSL_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)sk)
1226	# define SSL_set1_chain(ctx,sk) \
1227	SSL_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)sk)
1228	# define SSL_add0_chain_cert(ctx,x509) \
1229	SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)x509)
1230	# define SSL_add1_chain_cert(ctx,x509) \
1231	SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)x509)
1232	# define SSL_get0_chain_certs(ctx,px509) \
1233	SSL_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1234	# define SSL_clear_chain_certs(ctx) \
1235	SSL_set0_chain(ctx,NULL)
1236	# define SSL_build_cert_chain(s, flags) \
1237	SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1238	# define SSL_select_current_cert(ctx,x509) \
1239	SSL_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)x509)
1240	# define SSL_set_current_cert(ctx,op) \
1241	SSL_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1242	# define SSL_set0_verify_cert_store(s,st) \
1243	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)st)
1244	# define SSL_set1_verify_cert_store(s,st) \
1245	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)st)
1246	# define SSL_set0_chain_cert_store(s,st) \
1247	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)st)
1248	# define SSL_set1_chain_cert_store(s,st) \
1249	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)st)
1250	# define SSL_get1_curves(ctx, s) \
1251	SSL_ctrl(ctx,SSL_CTRL_GET_CURVES,0,(char *)s)
1252	# define SSL_CTX_set1_curves(ctx, clist, clistlen) \
1253	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURVES,clistlen,(char *)clist)
1254	# define SSL_CTX_set1_curves_list(ctx, s) \
1255	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURVES_LIST,0,(char *)s)
1256	# define SSL_set1_curves(ctx, clist, clistlen) \
1257	SSL_ctrl(ctx,SSL_CTRL_SET_CURVES,clistlen,(char *)clist)
1258	# define SSL_set1_curves_list(ctx, s) \
1259	SSL_ctrl(ctx,SSL_CTRL_SET_CURVES_LIST,0,(char *)s)
1260	# define SSL_get_shared_curve(s, n) \
1261	SSL_ctrl(s,SSL_CTRL_GET_SHARED_CURVE,n,NULL)
1262	# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1263	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)slist)
1264	# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1265	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)s)
1266	# define SSL_set1_sigalgs(ctx, slist, slistlen) \
1267	SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)slist)
1268	# define SSL_set1_sigalgs_list(ctx, s) \
1269	SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)s)
1270	# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1271	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)slist)
1272	# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1273	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)s)
1274	# define SSL_set1_client_sigalgs(ctx, slist, slistlen) \
1275	SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,clistlen,(int *)slist)
1276	# define SSL_set1_client_sigalgs_list(ctx, s) \
1277	SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)s)
1278	# define SSL_get0_certificate_types(s, clist) \
1279	SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)clist)
1280	# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1281	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)clist)
1282	# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1283	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)clist)
1284	# define SSL_get_peer_signature_nid(s, pn) \
1285	SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1286	# define SSL_get_server_tmp_key(s, pk) \
1287	SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1288	# define SSL_get0_raw_cipherlist(s, plst) \
1289	SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1290	# define SSL_get0_ec_point_formats(s, plst) \
1291	SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1292	#define SSL_CTX_set_min_proto_version(ctx, version) \
1293	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1294	#define SSL_CTX_set_max_proto_version(ctx, version) \
1295	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1296	#define SSL_CTX_get_min_proto_version(ctx) \
1297	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, NULL, NULL)
1298	#define SSL_CTX_get_max_proto_version(ctx) \
1299	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, NULL, NULL)
1300	#define SSL_set_min_proto_version(s, version) \
1301	SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1302	#define SSL_set_max_proto_version(s, version) \
1303	SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1304	#define SSL_get_min_proto_version(s) \
1305	SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, NULL, NULL)
1306	#define SSL_get_max_proto_version(s) \
1307	SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, NULL, NULL)
1308
1309	#if OPENSSL_API_COMPAT < 0x10100000L
1310	/ Provide some compatibility macros for removed functionality. /
1311	# define SSL_CTX_need_tmp_RSA(ctx) 0
1312	# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1313	# define SSL_need_tmp_RSA(ssl) 0
1314	# define SSL_set_tmp_rsa(ssl,rsa) 1
1315	# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1316	# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1317	/*
1318	* We "pretend" to call the callback to avoid warnings about unused static
1319	* functions.
1320	*/
1321	# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1322	# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1323	#endif
1324
1325	__owur const BIO_METHOD BIO_f_ssl(void*);
1326	__owur BIO BIO_new_ssl(SSL_CTX ctx, int client);
1327	__owur BIO BIO_new_ssl_connect(SSL_CTX ctx);
1328	__owur BIO BIO_new_buffer_ssl_connect(SSL_CTX ctx);
1329	__owur int BIO_ssl_copy_session_id(BIO to, BIO from);
1330	void BIO_ssl_shutdown(BIO *ssl_bio);
1331
1332	__owur int SSL_CTX_set_cipher_list(SSL_CTX , const* char *str);
1333	__owur SSL_CTX SSL_CTX_new(const* SSL_METHOD *meth);
1334	int SSL_CTX_up_ref(SSL_CTX *ctx);
1335	void SSL_CTX_free(SSL_CTX *);
1336	__owur long SSL_CTX_set_timeout(SSL_CTX ctx, long* t);
1337	__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1338	__owur X509_STORE SSL_CTX_get_cert_store(const* SSL_CTX *);
1339	void SSL_CTX_set_cert_store(SSL_CTX , X509_STORE );
1340	__owur int SSL_want(const SSL *s);
1341	__owur int SSL_clear(SSL *s);
1342
1343	void SSL_CTX_flush_sessions(SSL_CTX ctx, long* tm);
1344
1345	__owur const SSL_CIPHER SSL_get_current_cipher(const* SSL *s);
1346	__owur int SSL_CIPHER_get_bits(const SSL_CIPHER c, int* *alg_bits);
1347	__owur const char SSL_CIPHER_get_version(const* SSL_CIPHER *c);
1348	__owur const char SSL_CIPHER_get_name(const* SSL_CIPHER *c);
1349	__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1350	__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1351	__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1352	__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1353
1354	__owur int SSL_get_fd(const SSL *s);
1355	__owur int SSL_get_rfd(const SSL *s);
1356	__owur int SSL_get_wfd(const SSL *s);
1357	__owur const char SSL_get_cipher_list(const* SSL s, int* n);
1358	__owur char SSL_get_shared_ciphers(const* SSL s, char* buf, int* len);
1359	__owur int SSL_get_read_ahead(const SSL *s);
1360	__owur int SSL_pending(const SSL *s);
1361	__owur int SSL_has_pending(const SSL *s);
1362	# ifndef OPENSSL_NO_SOCK
1363	__owur int SSL_set_fd(SSL s, int* fd);
1364	__owur int SSL_set_rfd(SSL s, int* fd);
1365	__owur int SSL_set_wfd(SSL s, int* fd);
1366	# endif
1367	void SSL_set0_rbio(SSL s, BIO rbio);
1368	void SSL_set0_wbio(SSL s, BIO wbio);
1369	void SSL_set_bio(SSL s, BIO rbio, BIO *wbio);
1370	__owur BIO SSL_get_rbio(const* SSL *s);
1371	__owur BIO SSL_get_wbio(const* SSL *s);
1372	__owur int SSL_set_cipher_list(SSL s, const* char *str);
1373	void SSL_set_read_ahead(SSL s, int* yes);
1374	__owur int SSL_get_verify_mode(const SSL *s);
1375	__owur int SSL_get_verify_depth(const SSL *s);
1376	__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1377	void SSL_set_verify(SSL s, int* mode, SSL_verify_cb callback);
1378	void SSL_set_verify_depth(SSL s, int* depth);
1379	void SSL_set_cert_cb(SSL s, int* (cb) (SSL ssl, void arg), void* *arg);
1380	# ifndef OPENSSL_NO_RSA
1381	__owur int SSL_use_RSAPrivateKey(SSL ssl, RSA rsa);
1382	__owur int SSL_use_RSAPrivateKey_ASN1(SSL ssl, const* unsigned char d, long* len);
1383	# endif
1384	__owur int SSL_use_PrivateKey(SSL ssl, EVP_PKEY pkey);
1385	__owur int SSL_use_PrivateKey_ASN1(int pk, SSL ssl, const* unsigned char *d,
1386	long len);
1387	__owur int SSL_use_certificate(SSL ssl, X509 x);
1388	__owur int SSL_use_certificate_ASN1(SSL ssl, const* unsigned char d, int* len);
1389
1390	/ Set serverinfo data for the current active cert. /
1391	__owur int SSL_CTX_use_serverinfo(SSL_CTX ctx, const* unsigned char *serverinfo,
1392	size_t serverinfo_length);
1393	__owur int SSL_CTX_use_serverinfo_file(SSL_CTX ctx, const* char *file);
1394
1395	#ifndef OPENSSL_NO_RSA
1396	__owur int SSL_use_RSAPrivateKey_file(SSL ssl, const* char file, int* type);
1397	#endif
1398
1399	__owur int SSL_use_PrivateKey_file(SSL ssl, const* char file, int* type);
1400	__owur int SSL_use_certificate_file(SSL ssl, const* char file, int* type);
1401
1402	#ifndef OPENSSL_NO_RSA
1403	__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX ctx, const* char file, int* type);
1404	#endif
1405	__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX ctx, const* char file, int* type);
1406	__owur int SSL_CTX_use_certificate_file(SSL_CTX ctx, const* char file, int* type);
1407	/ PEM type /
1408	__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX ctx, const* char *file);
1409	__owur int SSL_use_certificate_chain_file(SSL ssl, const* char *file);
1410	__owur STACK_OF(X509_NAME) SSL_load_client_CA_file(const* char *file);
1411	__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1412	const char *file);
1413	int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1414	const char *dir);
1415
1416	#if OPENSSL_API_COMPAT < 0x10100000L
1417	# define SSL_load_error_strings() \
1418	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1419	\| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1420	#endif
1421
1422	__owur const char SSL_state_string(const* SSL *s);
1423	__owur const char SSL_rstate_string(const* SSL *s);
1424	__owur const char SSL_state_string_long(const* SSL *s);
1425	__owur const char SSL_rstate_string_long(const* SSL *s);
1426	__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1427	__owur long SSL_SESSION_set_time(SSL_SESSION s, long* t);
1428	__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1429	__owur long SSL_SESSION_set_timeout(SSL_SESSION s, long* t);
1430	__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1431	__owur const char SSL_SESSION_get0_hostname(const* SSL_SESSION *s);
1432	__owur const SSL_CIPHER SSL_SESSION_get0_cipher(const* SSL_SESSION *s);
1433	__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1434	__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1435	void SSL_SESSION_get0_ticket(const SSL_SESSION s, const* unsigned char **tick,
1436	size_t *len);
1437	__owur int SSL_copy_session_id(SSL to, const* SSL *from);
1438	__owur X509 SSL_SESSION_get0_peer(SSL_SESSION s);
1439	__owur int SSL_SESSION_set1_id_context(SSL_SESSION s, const* unsigned char *sid_ctx,
1440	unsigned int sid_ctx_len);
1441	__owur int SSL_SESSION_set1_id(SSL_SESSION s, const* unsigned char *sid,
1442	unsigned int sid_len);
1443
1444	__owur SSL_SESSION SSL_SESSION_new(void*);
1445	const unsigned char SSL_SESSION_get_id(const* SSL_SESSION *s,
1446	unsigned int *len);
1447	const unsigned char SSL_SESSION_get0_id_context(const* SSL_SESSION *s,
1448	unsigned int *len);
1449	__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1450	# ifndef OPENSSL_NO_STDIO
1451	int SSL_SESSION_print_fp(FILE fp, const* SSL_SESSION *ses);
1452	# endif
1453	int SSL_SESSION_print(BIO fp, const* SSL_SESSION *ses);
1454	int SSL_SESSION_print_keylog(BIO bp, const* SSL_SESSION *x);
1455	int SSL_SESSION_up_ref(SSL_SESSION *ses);
1456	void SSL_SESSION_free(SSL_SESSION *ses);
1457	__owur int i2d_SSL_SESSION(SSL_SESSION in, unsigned* char **pp);
1458	__owur int SSL_set_session(SSL to, SSL_SESSION session);
1459	int SSL_CTX_add_session(SSL_CTX s, SSL_SESSION c);
1460	int SSL_CTX_remove_session(SSL_CTX , SSL_SESSION c);
1461	__owur int SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1462	__owur int SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1463	__owur int SSL_has_matching_session_id(const SSL ssl, const* unsigned char *id,
1464	unsigned int id_len);
1465	SSL_SESSION d2i_SSL_SESSION(SSL_SESSION a, const* unsigned char **pp,
1466	long length);
1467
1468	# ifdef HEADER_X509_H
1469	__owur X509 SSL_get_peer_certificate(const* SSL *s);
1470	# endif
1471
1472	__owur STACK_OF(X509) SSL_get_peer_cert_chain(const* SSL *s);
1473
1474	__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1475	__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1476	__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1477	void SSL_CTX_set_verify(SSL_CTX ctx, int* mode, SSL_verify_cb callback);
1478	void SSL_CTX_set_verify_depth(SSL_CTX ctx, int* depth);
1479	void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1480	int (cb) (X509_STORE_CTX , void *),
1481	void *arg);
1482	void SSL_CTX_set_cert_cb(SSL_CTX c, int* (cb) (SSL ssl, void *arg),
1483	void *arg);
1484	# ifndef OPENSSL_NO_RSA
1485	__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX ctx, RSA rsa);
1486	__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX ctx, const* unsigned char *d,
1487	long len);
1488	# endif
1489	__owur int SSL_CTX_use_PrivateKey(SSL_CTX ctx, EVP_PKEY pkey);
1490	__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1491	const unsigned char d, long* len);
1492	__owur int SSL_CTX_use_certificate(SSL_CTX ctx, X509 x);
1493	__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX ctx, int* len,
1494	const unsigned char *d);
1495
1496	void SSL_CTX_set_default_passwd_cb(SSL_CTX ctx, pem_password_cb cb);
1497	void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX ctx, void* *u);
1498	pem_password_cb SSL_CTX_get_default_passwd_cb(SSL_CTX ctx);
1499	void SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX ctx);
1500	void SSL_set_default_passwd_cb(SSL s, pem_password_cb cb);
1501	void SSL_set_default_passwd_cb_userdata(SSL s, void* *u);
1502	pem_password_cb SSL_get_default_passwd_cb(SSL s);
1503	void SSL_get_default_passwd_cb_userdata(SSL s);
1504
1505	__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1506	__owur int SSL_check_private_key(const SSL *ctx);
1507
1508	__owur int SSL_CTX_set_session_id_context(SSL_CTX ctx, const* unsigned char *sid_ctx,
1509	unsigned int sid_ctx_len);
1510
1511	SSL SSL_new(SSL_CTX ctx);
1512	int SSL_up_ref(SSL *s);
1513	int SSL_is_dtls(const SSL *s);
1514	__owur int SSL_set_session_id_context(SSL ssl, const* unsigned char *sid_ctx,
1515	unsigned int sid_ctx_len);
1516
1517	__owur int SSL_CTX_set_purpose(SSL_CTX s, int* purpose);
1518	__owur int SSL_set_purpose(SSL s, int* purpose);
1519	__owur int SSL_CTX_set_trust(SSL_CTX s, int* trust);
1520	__owur int SSL_set_trust(SSL s, int* trust);
1521
1522	__owur int SSL_set1_host(SSL s, const* char *hostname);
1523	__owur int SSL_add1_host(SSL s, const* char *hostname);
1524	__owur const char SSL_get0_peername(SSL s);
1525	void SSL_set_hostflags(SSL s, unsigned* int flags);
1526
1527	__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1528	__owur int SSL_CTX_dane_mtype_set(SSL_CTX ctx, const* EVP_MD *md,
1529	uint8_t mtype, uint8_t ord);
1530	__owur int SSL_dane_enable(SSL s, const* char *basedomain);
1531	__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1532	uint8_t mtype, unsigned char *data, size_t dlen);
1533	__owur int SSL_get0_dane_authority(SSL s, X509 mcert, EVP_PKEY *mspki);
1534	__owur int SSL_get0_dane_tlsa(SSL s, uint8_t usage, uint8_t *selector,
1535	uint8_t mtype, unsigned* const char **data,
1536	size_t *dlen);
1537	/*
1538	* Bridge opacity barrier between libcrypt and libssl, also needed to support
1539	* offline testing in test/danetest.c
1540	*/
1541	SSL_DANE SSL_get0_dane(SSL ssl);
1542	/*
1543	* DANE flags
1544	*/
1545	unsigned long SSL_CTX_dane_set_flags(SSL_CTX ctx, unsigned* long flags);
1546	unsigned long SSL_CTX_dane_clear_flags(SSL_CTX ctx, unsigned* long flags);
1547	unsigned long SSL_dane_set_flags(SSL ssl, unsigned* long flags);
1548	unsigned long SSL_dane_clear_flags(SSL ssl, unsigned* long flags);
1549
1550	__owur int SSL_CTX_set1_param(SSL_CTX ctx, X509_VERIFY_PARAM vpm);
1551	__owur int SSL_set1_param(SSL ssl, X509_VERIFY_PARAM vpm);
1552
1553	__owur X509_VERIFY_PARAM SSL_CTX_get0_param(SSL_CTX ctx);
1554	__owur X509_VERIFY_PARAM SSL_get0_param(SSL ssl);
1555
1556	# ifndef OPENSSL_NO_SRP
1557	int SSL_CTX_set_srp_username(SSL_CTX ctx, char* *name);
1558	int SSL_CTX_set_srp_password(SSL_CTX ctx, char* *password);
1559	int SSL_CTX_set_srp_strength(SSL_CTX ctx, int* strength);
1560	int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1561	char (cb) (SSL , void* *));
1562	int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1563	int (cb) (SSL , void *));
1564	int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1565	int (cb) (SSL , int , void* *));
1566	int SSL_CTX_set_srp_cb_arg(SSL_CTX ctx, void* *arg);
1567
1568	int SSL_set_srp_server_param(SSL s, const* BIGNUM N, const* BIGNUM *g,
1569	BIGNUM sa, BIGNUM v, char *info);
1570	int SSL_set_srp_server_param_pw(SSL s, const* char user, const* char *pass,
1571	const char *grp);
1572
1573	__owur BIGNUM SSL_get_srp_g(SSL s);
1574	__owur BIGNUM SSL_get_srp_N(SSL s);
1575
1576	__owur char SSL_get_srp_username(SSL s);
1577	__owur char SSL_get_srp_userinfo(SSL s);
1578	# endif
1579
1580	void SSL_certs_clear(SSL *s);
1581	void SSL_free(SSL *ssl);
1582	# ifdef OSSL_ASYNC_FD
1583	/*
1584	* Windows application developer has to include windows.h to use these.
1585	*/
1586	__owur int SSL_waiting_for_async(SSL *s);
1587	__owur int SSL_get_all_async_fds(SSL s, OSSL_ASYNC_FD fds, size_t *numfds);
1588	__owur int SSL_get_changed_async_fds(SSL s, OSSL_ASYNC_FD addfd,
1589	size_t numaddfds, OSSL_ASYNC_FD delfd,
1590	size_t *numdelfds);
1591	# endif
1592	__owur int SSL_accept(SSL *ssl);
1593	__owur int SSL_connect(SSL *ssl);
1594	__owur int SSL_read(SSL ssl, void* buf, int* num);
1595	__owur int SSL_peek(SSL ssl, void* buf, int* num);
1596	__owur int SSL_write(SSL ssl, const* void buf, int* num);
1597	long SSL_ctrl(SSL ssl, int* cmd, long larg, void *parg);
1598	long SSL_callback_ctrl(SSL , int, void* ()(void*));
1599	long SSL_CTX_ctrl(SSL_CTX ctx, int* cmd, long larg, void *parg);
1600	long SSL_CTX_callback_ctrl(SSL_CTX , int, void* ()(void*));
1601
1602	__owur int SSL_get_error(const SSL s, int* ret_code);
1603	__owur const char SSL_get_version(const* SSL *s);
1604
1605	/ This sets the 'default' SSL version that SSL_new() will create /
1606	__owur int SSL_CTX_set_ssl_version(SSL_CTX ctx, const* SSL_METHOD *meth);
1607
1608	# ifndef OPENSSL_NO_SSL3_METHOD
1609	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_method(void)) /* SSLv3 /
1610	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_server_method(void)) /* SSLv3 /
1611	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_client_method(void)) /* SSLv3 /
1612	# endif
1613
1614	#define SSLv23_method TLS_method
1615	#define SSLv23_server_method TLS_server_method
1616	#define SSLv23_client_method TLS_client_method
1617
1618	/ Negotiate highest available SSL/TLS version /
1619	__owur const SSL_METHOD TLS_method(void*);
1620	__owur const SSL_METHOD TLS_server_method(void*);
1621	__owur const SSL_METHOD TLS_client_method(void*);
1622
1623	# ifndef OPENSSL_NO_TLS1_METHOD
1624	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_method(void)) /* TLSv1.0 /
1625	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_server_method(void)) /* TLSv1.0 /
1626	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_client_method(void)) /* TLSv1.0 /
1627	# endif
1628
1629	# ifndef OPENSSL_NO_TLS1_1_METHOD
1630	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_method(void)) /* TLSv1.1 /
1631	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_server_method(void)) /* TLSv1.1 /
1632	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_client_method(void)) /* TLSv1.1 /
1633	# endif
1634
1635	# ifndef OPENSSL_NO_TLS1_2_METHOD
1636	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_method(void)) /* TLSv1.2 /
1637	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_server_method(void)) /* TLSv1.2 /
1638	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_client_method(void)) /* TLSv1.2 /
1639	# endif
1640
1641	# ifndef OPENSSL_NO_DTLS1_METHOD
1642	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_method(void)) /* DTLSv1.0 /
1643	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_server_method(void)) /* DTLSv1.0 /
1644	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_client_method(void)) /* DTLSv1.0 /
1645	# endif
1646
1647	# ifndef OPENSSL_NO_DTLS1_2_METHOD
1648	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_method(void)) /* DTLSv1.2 /
1649	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_server_method(void)) /* DTLSv1.2 /
1650	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_client_method(void)) /* DTLSv1.2 /
1651	#endif
1652
1653	__owur const SSL_METHOD DTLS_method(void); /* DTLS 1.0 and 1.2 /
1654	__owur const SSL_METHOD DTLS_server_method(void); /* DTLS 1.0 and 1.2 /
1655	__owur const SSL_METHOD DTLS_client_method(void); /* DTLS 1.0 and 1.2 /
1656
1657	__owur STACK_OF(SSL_CIPHER) SSL_get_ciphers(const* SSL *s);
1658	__owur STACK_OF(SSL_CIPHER) SSL_CTX_get_ciphers(const* SSL_CTX *ctx);
1659	__owur STACK_OF(SSL_CIPHER) SSL_get_client_ciphers(const* SSL *s);
1660	__owur STACK_OF(SSL_CIPHER) SSL_get1_supported_ciphers(SSL s);
1661
1662	__owur int SSL_do_handshake(SSL *s);
1663	int SSL_renegotiate(SSL *s);
1664	__owur int SSL_renegotiate_abbreviated(SSL *s);
1665	__owur int SSL_renegotiate_pending(SSL *s);
1666	int SSL_shutdown(SSL *s);
1667
1668	__owur const SSL_METHOD SSL_CTX_get_ssl_method(SSL_CTX ctx);
1669	__owur const SSL_METHOD SSL_get_ssl_method(SSL s);
1670	__owur int SSL_set_ssl_method(SSL s, const* SSL_METHOD *method);
1671	__owur const char SSL_alert_type_string_long(int* value);
1672	__owur const char SSL_alert_type_string(int* value);
1673	__owur const char SSL_alert_desc_string_long(int* value);
1674	__owur const char SSL_alert_desc_string(int* value);
1675
1676	void SSL_set_client_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
1677	void SSL_CTX_set_client_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
1678	__owur STACK_OF(X509_NAME) SSL_get_client_CA_list(const* SSL *s);
1679	__owur STACK_OF(X509_NAME) SSL_CTX_get_client_CA_list(const* SSL_CTX *s);
1680	__owur int SSL_add_client_CA(SSL ssl, X509 x);
1681	__owur int SSL_CTX_add_client_CA(SSL_CTX ctx, X509 x);
1682
1683	void SSL_set_connect_state(SSL *s);
1684	void SSL_set_accept_state(SSL *s);
1685
1686	__owur long SSL_get_default_timeout(const SSL *s);
1687
1688	#if OPENSSL_API_COMPAT < 0x10100000L
1689	# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1690	#endif
1691
1692	__owur char SSL_CIPHER_description(const* SSL_CIPHER , char* buf, int* size);
1693	__owur STACK_OF(X509_NAME) SSL_dup_CA_list(STACK_OF(X509_NAME) sk);
1694
1695	__owur SSL SSL_dup(SSL ssl);
1696
1697	__owur X509 SSL_get_certificate(const* SSL *ssl);
1698	/*
1699	* EVP_PKEY
1700	/ struct* evp_pkey_st SSL_get_privatekey(const* SSL *ssl);
1701
1702	__owur X509 SSL_CTX_get0_certificate(const* SSL_CTX *ctx);
1703	__owur EVP_PKEY SSL_CTX_get0_privatekey(const* SSL_CTX *ctx);
1704
1705	void SSL_CTX_set_quiet_shutdown(SSL_CTX ctx, int* mode);
1706	__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1707	void SSL_set_quiet_shutdown(SSL ssl, int* mode);
1708	__owur int SSL_get_quiet_shutdown(const SSL *ssl);
1709	void SSL_set_shutdown(SSL ssl, int* mode);
1710	__owur int SSL_get_shutdown(const SSL *ssl);
1711	__owur int SSL_version(const SSL *ssl);
1712	__owur int SSL_client_version(const SSL *s);
1713	__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1714	__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
1715	__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
1716	__owur int SSL_CTX_load_verify_locations(SSL_CTX ctx, const* char *CAfile,
1717	const char *CApath);
1718	# define SSL_get0_session SSL_get_session/* just peek at pointer */
1719	__owur SSL_SESSION SSL_get_session(const* SSL *ssl);
1720	__owur SSL_SESSION SSL_get1_session(SSL ssl); / obtain a reference count /
1721	__owur SSL_CTX SSL_get_SSL_CTX(const* SSL *ssl);
1722	SSL_CTX SSL_set_SSL_CTX(SSL ssl, SSL_CTX *ctx);
1723	void SSL_set_info_callback(SSL *ssl,
1724	void (cb) (const* SSL ssl, int* type, int val));
1725	void (SSL_get_info_callback(const* SSL ssl)) (const* SSL ssl, int* type,
1726	int val);
1727	__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
1728
1729	void SSL_set_verify_result(SSL ssl, long* v);
1730	__owur long SSL_get_verify_result(const SSL *ssl);
1731	__owur STACK_OF(X509) SSL_get0_verified_chain(const* SSL *s);
1732
1733	__owur size_t SSL_get_client_random(const SSL ssl, unsigned* char *out,
1734	size_t outlen);
1735	__owur size_t SSL_get_server_random(const SSL ssl, unsigned* char *out,
1736	size_t outlen);
1737	__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *ssl,
1738	unsigned char *out, size_t outlen);
1739
1740	#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
1741	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
1742	__owur int SSL_set_ex_data(SSL ssl, int* idx, void *data);
1743	void SSL_get_ex_data(const* SSL ssl, int* idx);
1744	#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
1745	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
1746	__owur int SSL_SESSION_set_ex_data(SSL_SESSION ss, int* idx, void *data);
1747	void SSL_SESSION_get_ex_data(const* SSL_SESSION ss, int* idx);
1748	#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
1749	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
1750	__owur int SSL_CTX_set_ex_data(SSL_CTX ssl, int* idx, void *data);
1751	void SSL_CTX_get_ex_data(const* SSL_CTX ssl, int* idx);
1752
1753	__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
1754
1755	# define SSL_CTX_sess_set_cache_size(ctx,t) \
1756	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1757	# define SSL_CTX_sess_get_cache_size(ctx) \
1758	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1759	# define SSL_CTX_set_session_cache_mode(ctx,m) \
1760	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1761	# define SSL_CTX_get_session_cache_mode(ctx) \
1762	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1763
1764	# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1765	# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1766	# define SSL_CTX_get_read_ahead(ctx) \
1767	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1768	# define SSL_CTX_set_read_ahead(ctx,m) \
1769	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1770	# define SSL_CTX_get_max_cert_list(ctx) \
1771	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1772	# define SSL_CTX_set_max_cert_list(ctx,m) \
1773	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1774	# define SSL_get_max_cert_list(ssl) \
1775	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1776	# define SSL_set_max_cert_list(ssl,m) \
1777	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1778
1779	# define SSL_CTX_set_max_send_fragment(ctx,m) \
1780	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1781	# define SSL_set_max_send_fragment(ssl,m) \
1782	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1783	# define SSL_CTX_set_split_send_fragment(ctx,m) \
1784	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
1785	# define SSL_set_split_send_fragment(ssl,m) \
1786	SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
1787	# define SSL_CTX_set_max_pipelines(ctx,m) \
1788	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
1789	# define SSL_set_max_pipelines(ssl,m) \
1790	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
1791
1792	void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
1793	void SSL_set_default_read_buffer_len(SSL *s, size_t len);
1794
1795	# ifndef OPENSSL_NO_DH
1796	/ NB: the \|keylength\| is only applicable when is_export is true /
1797	void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1798	DH (dh) (SSL ssl, int* is_export,
1799	int keylength));
1800	void SSL_set_tmp_dh_callback(SSL *ssl,
1801	DH (dh) (SSL ssl, int* is_export,
1802	int keylength));
1803	# endif
1804
1805	__owur const COMP_METHOD SSL_get_current_compression(SSL s);
1806	__owur const COMP_METHOD SSL_get_current_expansion(SSL s);
1807	__owur const char SSL_COMP_get_name(const* COMP_METHOD *comp);
1808	__owur const char SSL_COMP_get0_name(const* SSL_COMP *comp);
1809	__owur int SSL_COMP_get_id(const SSL_COMP *comp);
1810	STACK_OF(SSL_COMP) SSL_COMP_get_compression_methods(void*);
1811	__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
1812	*meths);
1813	#if OPENSSL_API_COMPAT < 0x10100000L
1814	# define SSL_COMP_free_compression_methods() while(0) continue
1815	#endif
1816	__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
1817
1818	const SSL_CIPHER SSL_CIPHER_find(SSL ssl, const unsigned char *ptr);
1819	int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1820	int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1821
1822	/ TLS extensions functions /
1823	__owur int SSL_set_session_ticket_ext(SSL s, void* ext_data, int* ext_len);
1824
1825	__owur int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
1826	void *arg);
1827
1828	/ Pre-shared secret session resumption functions /
1829	__owur int SSL_set_session_secret_cb(SSL *s,
1830	tls_session_secret_cb_fn tls_session_secret_cb,
1831	void *arg);
1832
1833	void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
1834	int (cb) (SSL ssl,
1835	int
1836	is_forward_secure));
1837
1838	void SSL_set_not_resumable_session_callback(SSL *ssl,
1839	int (cb) (SSL ssl,
1840	int
1841	is_forward_secure));
1842	# if OPENSSL_API_COMPAT < 0x10100000L
1843	# define SSL_cache_hit(s) SSL_session_reused(s)
1844	# endif
1845
1846	__owur int SSL_session_reused(SSL *s);
1847	__owur int SSL_is_server(const SSL *s);
1848
1849	__owur __owur SSL_CONF_CTX SSL_CONF_CTX_new(void*);
1850	int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
1851	void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
1852	unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX cctx, unsigned* int flags);
1853	__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX cctx, unsigned* int flags);
1854	__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX cctx, const* char *pre);
1855
1856	void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX cctx, SSL ssl);
1857	void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX cctx, SSL_CTX ctx);
1858
1859	__owur int SSL_CONF_cmd(SSL_CONF_CTX cctx, const* char cmd, const* char *value);
1860	__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX cctx, int* pargc, char* ***pargv);
1861	__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX cctx, const* char *cmd);
1862
1863	void SSL_add_ssl_module(void);
1864	int SSL_config(SSL s, const* char *name);
1865	int SSL_CTX_config(SSL_CTX ctx, const* char *name);
1866
1867	# ifndef OPENSSL_NO_SSL_TRACE
1868	void SSL_trace(int write_p, int version, int content_type,
1869	const void buf, size_t len, SSL ssl, void *arg);
1870	__owur const char SSL_CIPHER_standard_name(const* SSL_CIPHER *c);
1871	# endif
1872
1873	# ifndef OPENSSL_NO_SOCK
1874	int DTLSv1_listen(SSL s, BIO_ADDR client);
1875	# endif
1876
1877	# ifndef OPENSSL_NO_CT
1878
1879	/*
1880	* A callback for verifying that the received SCTs are sufficient.
1881	* Expected to return 1 if they are sufficient, otherwise 0.
1882	* May return a negative integer if an error occurs.
1883	* A connection should be aborted if the SCTs are deemed insufficient.
1884	*/
1885	typedef int(ssl_ct_validation_cb)(const* CT_POLICY_EVAL_CTX *ctx,
1886	const STACK_OF(SCT) scts, void* *arg);
1887
1888	/*
1889	* Sets a \|callback\| that is invoked upon receipt of ServerHelloDone to validate
1890	* the received SCTs.
1891	* If the callback returns a non-positive result, the connection is terminated.
1892	* Call this function before beginning a handshake.
1893	* If a NULL \|callback\| is provided, SCT validation is disabled.
1894	* \|arg\| is arbitrary userdata that will be passed to the callback whenever it
1895	* is invoked. Ownership of \|arg\| remains with the caller.
1896	*
1897	* NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
1898	* will be requested.
1899	*/
1900	int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
1901	void *arg);
1902	int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
1903	ssl_ct_validation_cb callback,
1904	void *arg);
1905	#define SSL_disable_ct(s) \
1906	((void) SSL_set_validation_callback((s), NULL, NULL))
1907	#define SSL_CTX_disable_ct(ctx) \
1908	((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
1909
1910	/*
1911	* The validation type enumerates the available behaviours of the built-in SSL
1912	* CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
1913	* The underlying callback is a static function in libssl.
1914	*/
1915	enum {
1916	SSL_CT_VALIDATION_PERMISSIVE = `0`,
1917	SSL_CT_VALIDATION_STRICT
1918	};
1919
1920	/*
1921	* Enable CT by setting up a callback that implements one of the built-in
1922	* validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
1923	* continues the handshake, the application can make appropriate decisions at
1924	* handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
1925	* least one valid SCT, or else handshake termination will be requested. The
1926	* handshake may continue anyway if SSL_VERIFY_NONE is in effect.
1927	*/
1928	int SSL_enable_ct(SSL s, int* validation_mode);
1929	int SSL_CTX_enable_ct(SSL_CTX ctx, int* validation_mode);
1930
1931	/*
1932	* Report whether a non-NULL callback is enabled.
1933	*/
1934	int SSL_ct_is_enabled(const SSL *s);
1935	int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
1936
1937	/ Gets the SCTs received from a connection /
1938	const STACK_OF(SCT) SSL_get0_peer_scts(SSL s);
1939
1940	/*
1941	* Loads the CT log list from the default location.
1942	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
1943	* the log information loaded from this file will be appended to the
1944	* CTLOG_STORE.
1945	* Returns 1 on success, 0 otherwise.
1946	*/
1947	int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
1948
1949	/*
1950	* Loads the CT log list from the specified file path.
1951	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
1952	* the log information loaded from this file will be appended to the
1953	* CTLOG_STORE.
1954	* Returns 1 on success, 0 otherwise.
1955	*/
1956	int SSL_CTX_set_ctlog_list_file(SSL_CTX ctx, const* char *path);
1957
1958	/*
1959	* Sets the CT log list used by all SSL connections created from this SSL_CTX.
1960	* Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
1961	*/
1962	void SSL_CTX_set0_ctlog_store(SSL_CTX ctx, CTLOG_STORE logs);
1963
1964	/*
1965	* Gets the CT log list used by all SSL connections created from this SSL_CTX.
1966	* This will be NULL unless one of the following functions has been called:
1967	* - SSL_CTX_set_default_ctlog_list_file
1968	* - SSL_CTX_set_ctlog_list_file
1969	* - SSL_CTX_set_ctlog_store
1970	*/
1971	const CTLOG_STORE SSL_CTX_get0_ctlog_store(const* SSL_CTX *ctx);
1972
1973	# endif /* OPENSSL_NO_CT */
1974
1975	/ What the "other" parameter contains in security callback /
1976	/ Mask for type /
1977	# define SSL_SECOP_OTHER_TYPE 0xffff0000
1978	# define SSL_SECOP_OTHER_NONE 0
1979	# define SSL_SECOP_OTHER_CIPHER (1 << 16)
1980	# define SSL_SECOP_OTHER_CURVE (2 << 16)
1981	# define SSL_SECOP_OTHER_DH (3 << 16)
1982	# define SSL_SECOP_OTHER_PKEY (4 << 16)
1983	# define SSL_SECOP_OTHER_SIGALG (5 << 16)
1984	# define SSL_SECOP_OTHER_CERT (6 << 16)
1985
1986	/ Indicated operation refers to peer key or certificate /
1987	# define SSL_SECOP_PEER 0x1000
1988
1989	/ Values for "op" parameter in security callback /
1990
1991	/ Called to filter ciphers /
1992	/ Ciphers client supports /
1993	# define SSL_SECOP_CIPHER_SUPPORTED (1 \| SSL_SECOP_OTHER_CIPHER)
1994	/ Cipher shared by client/server /
1995	# define SSL_SECOP_CIPHER_SHARED (2 \| SSL_SECOP_OTHER_CIPHER)
1996	/ Sanity check of cipher server selects /
1997	# define SSL_SECOP_CIPHER_CHECK (3 \| SSL_SECOP_OTHER_CIPHER)
1998	/ Curves supported by client /
1999	# define SSL_SECOP_CURVE_SUPPORTED (4 \| SSL_SECOP_OTHER_CURVE)
2000	/ Curves shared by client/server /
2001	# define SSL_SECOP_CURVE_SHARED (5 \| SSL_SECOP_OTHER_CURVE)
2002	/ Sanity check of curve server selects /
2003	# define SSL_SECOP_CURVE_CHECK (6 \| SSL_SECOP_OTHER_CURVE)
2004	/ Temporary DH key /
2005	# define SSL_SECOP_TMP_DH (7 \| SSL_SECOP_OTHER_PKEY)
2006	/ SSL/TLS version /
2007	# define SSL_SECOP_VERSION (9 \| SSL_SECOP_OTHER_NONE)
2008	/ Session tickets /
2009	# define SSL_SECOP_TICKET (10 \| SSL_SECOP_OTHER_NONE)
2010	/ Supported signature algorithms sent to peer /
2011	# define SSL_SECOP_SIGALG_SUPPORTED (11 \| SSL_SECOP_OTHER_SIGALG)
2012	/ Shared signature algorithm /
2013	# define SSL_SECOP_SIGALG_SHARED (12 \| SSL_SECOP_OTHER_SIGALG)
2014	/ Sanity check signature algorithm allowed /
2015	# define SSL_SECOP_SIGALG_CHECK (13 \| SSL_SECOP_OTHER_SIGALG)
2016	/ Used to get mask of supported public key signature algorithms /
2017	# define SSL_SECOP_SIGALG_MASK (14 \| SSL_SECOP_OTHER_SIGALG)
2018	/ Use to see if compression is allowed /
2019	# define SSL_SECOP_COMPRESSION (15 \| SSL_SECOP_OTHER_NONE)
2020	/ EE key in certificate /
2021	# define SSL_SECOP_EE_KEY (16 \| SSL_SECOP_OTHER_CERT)
2022	/ CA key in certificate /
2023	# define SSL_SECOP_CA_KEY (17 \| SSL_SECOP_OTHER_CERT)
2024	/ CA digest algorithm in certificate /
2025	# define SSL_SECOP_CA_MD (18 \| SSL_SECOP_OTHER_CERT)
2026	/ Peer EE key in certificate /
2027	# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY \| SSL_SECOP_PEER)
2028	/ Peer CA key in certificate /
2029	# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY \| SSL_SECOP_PEER)
2030	/ Peer CA digest algorithm in certificate /
2031	# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD \| SSL_SECOP_PEER)
2032
2033	void SSL_set_security_level(SSL s, int* level);
2034	__owur int SSL_get_security_level(const SSL *s);
2035	void SSL_set_security_callback(SSL *s,
2036	int (cb) (const* SSL s, const* SSL_CTX ctx, int* op,
2037	int bits, int nid, void *other,
2038	void *ex));
2039	int (SSL_get_security_callback(const* SSL s)) (const* SSL s, const* SSL_CTX ctx, int* op,
2040	int bits, int nid,
2041	void other, void* *ex);
2042	void SSL_set0_security_ex_data(SSL s, void* *ex);
2043	__owur void SSL_get0_security_ex_data(const* SSL *s);
2044
2045	void SSL_CTX_set_security_level(SSL_CTX ctx, int* level);
2046	__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2047	void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2048	int (cb) (const* SSL s, const* SSL_CTX ctx, int* op,
2049	int bits, int nid, void *other,
2050	void *ex));
2051	int (SSL_CTX_get_security_callback(const* SSL_CTX ctx)) (const* SSL *s,
2052	const SSL_CTX *ctx,
2053	int op, int bits,
2054	int nid,
2055	void *other,
2056	void *ex);
2057	void SSL_CTX_set0_security_ex_data(SSL_CTX ctx, void* *ex);
2058	__owur void SSL_CTX_get0_security_ex_data(const* SSL_CTX *ctx);
2059
2060	/ OPENSSL_INIT flag 0x010000 reserved for internal use /
2061	#define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2062	#define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2063
2064	#define OPENSSL_INIT_SSL_DEFAULT \
2065	(OPENSSL_INIT_LOAD_SSL_STRINGS \| OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2066
2067	int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2068
2069	# ifndef OPENSSL_NO_UNIT_TEST
2070	__owur const struct openssl_ssl_test_functions SSL_test_functions(void*);
2071	# endif
2072
2073	extern const char SSL_version_str[];
2074
2075	/ BEGIN ERROR CODES /
2076	/*
2077	* The following lines are auto generated by the script mkerr.pl. Any changes
2078	* made after this point may be overwritten when the script is next run.
2079	*/
2080
2081	int ERR_load_SSL_strings(void);
2082
2083	/ Error codes for the SSL functions. /
2084
2085	/ Function codes. /
2086	# define SSL_F_CHECK_SUITEB_CIPHER_LIST 331
2087	# define SSL_F_CT_MOVE_SCTS 345
2088	# define SSL_F_CT_STRICT 349
2089	# define SSL_F_D2I_SSL_SESSION 103
2090	# define SSL_F_DANE_CTX_ENABLE 347
2091	# define SSL_F_DANE_MTYPE_SET 393
2092	# define SSL_F_DANE_TLSA_ADD 394
2093	# define SSL_F_DO_DTLS1_WRITE 245
2094	# define SSL_F_DO_SSL3_WRITE 104
2095	# define SSL_F_DTLS1_BUFFER_RECORD 247
2096	# define SSL_F_DTLS1_CHECK_TIMEOUT_NUM 318
2097	# define SSL_F_DTLS1_HEARTBEAT 305
2098	# define SSL_F_DTLS1_PREPROCESS_FRAGMENT 288
2099	# define SSL_F_DTLS1_PROCESS_BUFFERED_RECORDS 424
2100	# define SSL_F_DTLS1_PROCESS_RECORD 257
2101	# define SSL_F_DTLS1_READ_BYTES 258
2102	# define SSL_F_DTLS1_READ_FAILED 339
2103	# define SSL_F_DTLS1_RETRANSMIT_MESSAGE 390
2104	# define SSL_F_DTLS1_WRITE_APP_DATA_BYTES 268
2105	# define SSL_F_DTLSV1_LISTEN 350
2106	# define SSL_F_DTLS_CONSTRUCT_CHANGE_CIPHER_SPEC 371
2107	# define SSL_F_DTLS_CONSTRUCT_HELLO_VERIFY_REQUEST 385
2108	# define SSL_F_DTLS_GET_REASSEMBLED_MESSAGE 370
2109	# define SSL_F_DTLS_PROCESS_HELLO_VERIFY 386
2110	# define SSL_F_OPENSSL_INIT_SSL 342
2111	# define SSL_F_OSSL_STATEM_CLIENT_READ_TRANSITION 417
2112	# define SSL_F_OSSL_STATEM_SERVER_READ_TRANSITION 418
2113	# define SSL_F_READ_STATE_MACHINE 352
2114	# define SSL_F_SSL3_CHANGE_CIPHER_STATE 129
2115	# define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM 130
2116	# define SSL_F_SSL3_CTRL 213
2117	# define SSL_F_SSL3_CTX_CTRL 133
2118	# define SSL_F_SSL3_DIGEST_CACHED_RECORDS 293
2119	# define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC 292
2120	# define SSL_F_SSL3_FINAL_FINISH_MAC 285
2121	# define SSL_F_SSL3_GENERATE_KEY_BLOCK 238
2122	# define SSL_F_SSL3_GENERATE_MASTER_SECRET 388
2123	# define SSL_F_SSL3_GET_RECORD 143
2124	# define SSL_F_SSL3_INIT_FINISHED_MAC 397
2125	# define SSL_F_SSL3_OUTPUT_CERT_CHAIN 147
2126	# define SSL_F_SSL3_READ_BYTES 148
2127	# define SSL_F_SSL3_READ_N 149
2128	# define SSL_F_SSL3_SETUP_KEY_BLOCK 157
2129	# define SSL_F_SSL3_SETUP_READ_BUFFER 156
2130	# define SSL_F_SSL3_SETUP_WRITE_BUFFER 291
2131	# define SSL_F_SSL3_WRITE_BYTES 158
2132	# define SSL_F_SSL3_WRITE_PENDING 159
2133	# define SSL_F_SSL_ADD_CERT_CHAIN 316
2134	# define SSL_F_SSL_ADD_CERT_TO_BUF 319
2135	# define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT 298
2136	# define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT 277
2137	# define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT 307
2138	# define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK 215
2139	# define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK 216
2140	# define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT 299
2141	# define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT 278
2142	# define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT 308
2143	# define SSL_F_SSL_BAD_METHOD 160
2144	# define SSL_F_SSL_BUILD_CERT_CHAIN 332
2145	# define SSL_F_SSL_BYTES_TO_CIPHER_LIST 161
2146	# define SSL_F_SSL_CERT_ADD0_CHAIN_CERT 346
2147	# define SSL_F_SSL_CERT_DUP 221
2148	# define SSL_F_SSL_CERT_NEW 162
2149	# define SSL_F_SSL_CERT_SET0_CHAIN 340
2150	# define SSL_F_SSL_CHECK_PRIVATE_KEY 163
2151	# define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT 280
2152	# define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG 279
2153	# define SSL_F_SSL_CIPHER_PROCESS_RULESTR 230
2154	# define SSL_F_SSL_CIPHER_STRENGTH_SORT 231
2155	# define SSL_F_SSL_CLEAR 164
2156	# define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD 165
2157	# define SSL_F_SSL_CONF_CMD 334
2158	# define SSL_F_SSL_CREATE_CIPHER_LIST 166
2159	# define SSL_F_SSL_CTRL 232
2160	# define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY 168
2161	# define SSL_F_SSL_CTX_ENABLE_CT 398
2162	# define SSL_F_SSL_CTX_MAKE_PROFILES 309
2163	# define SSL_F_SSL_CTX_NEW 169
2164	# define SSL_F_SSL_CTX_SET_ALPN_PROTOS 343
2165	# define SSL_F_SSL_CTX_SET_CIPHER_LIST 269
2166	# define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE 290
2167	# define SSL_F_SSL_CTX_SET_CT_VALIDATION_CALLBACK 396
2168	# define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT 219
2169	# define SSL_F_SSL_CTX_SET_SSL_VERSION 170
2170	# define SSL_F_SSL_CTX_USE_CERTIFICATE 171
2171	# define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1 172
2172	# define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE 173
2173	# define SSL_F_SSL_CTX_USE_PRIVATEKEY 174
2174	# define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1 175
2175	# define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE 176
2176	# define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT 272
2177	# define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY 177
2178	# define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1 178
2179	# define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE 179
2180	# define SSL_F_SSL_CTX_USE_SERVERINFO 336
2181	# define SSL_F_SSL_CTX_USE_SERVERINFO_FILE 337
2182	# define SSL_F_SSL_DANE_DUP 403
2183	# define SSL_F_SSL_DANE_ENABLE 395
2184	# define SSL_F_SSL_DO_CONFIG 391
2185	# define SSL_F_SSL_DO_HANDSHAKE 180
2186	# define SSL_F_SSL_DUP_CA_LIST 408
2187	# define SSL_F_SSL_ENABLE_CT 402
2188	# define SSL_F_SSL_GET_NEW_SESSION 181
2189	# define SSL_F_SSL_GET_PREV_SESSION 217
2190	# define SSL_F_SSL_GET_SERVER_CERT_INDEX 322
2191	# define SSL_F_SSL_GET_SIGN_PKEY 183
2192	# define SSL_F_SSL_INIT_WBIO_BUFFER 184
2193	# define SSL_F_SSL_LOAD_CLIENT_CA_FILE 185
2194	# define SSL_F_SSL_MODULE_INIT 392
2195	# define SSL_F_SSL_NEW 186
2196	# define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT 300
2197	# define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT 302
2198	# define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT 310
2199	# define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT 301
2200	# define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT 303
2201	# define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT 311
2202	# define SSL_F_SSL_PEEK 270
2203	# define SSL_F_SSL_READ 223
2204	# define SSL_F_SSL_SCAN_CLIENTHELLO_TLSEXT 320
2205	# define SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT 321
2206	# define SSL_F_SSL_SESSION_DUP 348
2207	# define SSL_F_SSL_SESSION_NEW 189
2208	# define SSL_F_SSL_SESSION_PRINT_FP 190
2209	# define SSL_F_SSL_SESSION_SET1_ID 423
2210	# define SSL_F_SSL_SESSION_SET1_ID_CONTEXT 312
2211	# define SSL_F_SSL_SET_ALPN_PROTOS 344
2212	# define SSL_F_SSL_SET_CERT 191
2213	# define SSL_F_SSL_SET_CIPHER_LIST 271
2214	# define SSL_F_SSL_SET_CT_VALIDATION_CALLBACK 399
2215	# define SSL_F_SSL_SET_FD 192
2216	# define SSL_F_SSL_SET_PKEY 193
2217	# define SSL_F_SSL_SET_RFD 194
2218	# define SSL_F_SSL_SET_SESSION 195
2219	# define SSL_F_SSL_SET_SESSION_ID_CONTEXT 218
2220	# define SSL_F_SSL_SET_SESSION_TICKET_EXT 294
2221	# define SSL_F_SSL_SET_WFD 196
2222	# define SSL_F_SSL_SHUTDOWN 224
2223	# define SSL_F_SSL_SRP_CTX_INIT 313
2224	# define SSL_F_SSL_START_ASYNC_JOB 389
2225	# define SSL_F_SSL_UNDEFINED_FUNCTION 197
2226	# define SSL_F_SSL_UNDEFINED_VOID_FUNCTION 244
2227	# define SSL_F_SSL_USE_CERTIFICATE 198
2228	# define SSL_F_SSL_USE_CERTIFICATE_ASN1 199
2229	# define SSL_F_SSL_USE_CERTIFICATE_FILE 200
2230	# define SSL_F_SSL_USE_PRIVATEKEY 201
2231	# define SSL_F_SSL_USE_PRIVATEKEY_ASN1 202
2232	# define SSL_F_SSL_USE_PRIVATEKEY_FILE 203
2233	# define SSL_F_SSL_USE_PSK_IDENTITY_HINT 273
2234	# define SSL_F_SSL_USE_RSAPRIVATEKEY 204
2235	# define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1 205
2236	# define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE 206
2237	# define SSL_F_SSL_VALIDATE_CT 400
2238	# define SSL_F_SSL_VERIFY_CERT_CHAIN 207
2239	# define SSL_F_SSL_WRITE 208
2240	# define SSL_F_STATE_MACHINE 353
2241	# define SSL_F_TLS12_CHECK_PEER_SIGALG 333
2242	# define SSL_F_TLS1_CHANGE_CIPHER_STATE 209
2243	# define SSL_F_TLS1_CHECK_DUPLICATE_EXTENSIONS 341
2244	# define SSL_F_TLS1_ENC 401
2245	# define SSL_F_TLS1_EXPORT_KEYING_MATERIAL 314
2246	# define SSL_F_TLS1_GET_CURVELIST 338
2247	# define SSL_F_TLS1_PRF 284
2248	# define SSL_F_TLS1_SETUP_KEY_BLOCK 211
2249	# define SSL_F_TLS1_SET_SERVER_SIGALGS 335
2250	# define SSL_F_TLS_CLIENT_KEY_EXCHANGE_POST_WORK 354
2251	# define SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST 372
2252	# define SSL_F_TLS_CONSTRUCT_CKE_DHE 404
2253	# define SSL_F_TLS_CONSTRUCT_CKE_ECDHE 405
2254	# define SSL_F_TLS_CONSTRUCT_CKE_GOST 406
2255	# define SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE 407
2256	# define SSL_F_TLS_CONSTRUCT_CKE_RSA 409
2257	# define SSL_F_TLS_CONSTRUCT_CKE_SRP 410
2258	# define SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE 355
2259	# define SSL_F_TLS_CONSTRUCT_CLIENT_HELLO 356
2260	# define SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE 357
2261	# define SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY 358
2262	# define SSL_F_TLS_CONSTRUCT_FINISHED 359
2263	# define SSL_F_TLS_CONSTRUCT_HELLO_REQUEST 373
2264	# define SSL_F_TLS_CONSTRUCT_NEW_SESSION_TICKET 428
2265	# define SSL_F_TLS_CONSTRUCT_SERVER_CERTIFICATE 374
2266	# define SSL_F_TLS_CONSTRUCT_SERVER_DONE 375
2267	# define SSL_F_TLS_CONSTRUCT_SERVER_HELLO 376
2268	# define SSL_F_TLS_CONSTRUCT_SERVER_KEY_EXCHANGE 377
2269	# define SSL_F_TLS_GET_MESSAGE_BODY 351
2270	# define SSL_F_TLS_GET_MESSAGE_HEADER 387
2271	# define SSL_F_TLS_POST_PROCESS_CLIENT_HELLO 378
2272	# define SSL_F_TLS_POST_PROCESS_CLIENT_KEY_EXCHANGE 384
2273	# define SSL_F_TLS_PREPARE_CLIENT_CERTIFICATE 360
2274	# define SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST 361
2275	# define SSL_F_TLS_PROCESS_CERT_STATUS 362
2276	# define SSL_F_TLS_PROCESS_CERT_VERIFY 379
2277	# define SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC 363
2278	# define SSL_F_TLS_PROCESS_CKE_DHE 411
2279	# define SSL_F_TLS_PROCESS_CKE_ECDHE 412
2280	# define SSL_F_TLS_PROCESS_CKE_GOST 413
2281	# define SSL_F_TLS_PROCESS_CKE_PSK_PREAMBLE 414
2282	# define SSL_F_TLS_PROCESS_CKE_RSA 415
2283	# define SSL_F_TLS_PROCESS_CKE_SRP 416
2284	# define SSL_F_TLS_PROCESS_CLIENT_CERTIFICATE 380
2285	# define SSL_F_TLS_PROCESS_CLIENT_HELLO 381
2286	# define SSL_F_TLS_PROCESS_CLIENT_KEY_EXCHANGE 382
2287	# define SSL_F_TLS_PROCESS_FINISHED 364
2288	# define SSL_F_TLS_PROCESS_KEY_EXCHANGE 365
2289	# define SSL_F_TLS_PROCESS_NEW_SESSION_TICKET 366
2290	# define SSL_F_TLS_PROCESS_NEXT_PROTO 383
2291	# define SSL_F_TLS_PROCESS_SERVER_CERTIFICATE 367
2292	# define SSL_F_TLS_PROCESS_SERVER_DONE 368
2293	# define SSL_F_TLS_PROCESS_SERVER_HELLO 369
2294	# define SSL_F_TLS_PROCESS_SKE_DHE 419
2295	# define SSL_F_TLS_PROCESS_SKE_ECDHE 420
2296	# define SSL_F_TLS_PROCESS_SKE_PSK_PREAMBLE 421
2297	# define SSL_F_TLS_PROCESS_SKE_SRP 422
2298	# define SSL_F_USE_CERTIFICATE_CHAIN_FILE 220
2299
2300	/ Reason codes. /
2301	# define SSL_R_APP_DATA_IN_HANDSHAKE 100
2302	# define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
2303	# define SSL_R_AT_LEAST_TLS_1_0_NEEDED_IN_FIPS_MODE 143
2304	# define SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE 158
2305	# define SSL_R_BAD_CHANGE_CIPHER_SPEC 103
2306	# define SSL_R_BAD_DATA 390
2307	# define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK 106
2308	# define SSL_R_BAD_DECOMPRESSION 107
2309	# define SSL_R_BAD_DH_VALUE 102
2310	# define SSL_R_BAD_DIGEST_LENGTH 111
2311	# define SSL_R_BAD_ECC_CERT 304
2312	# define SSL_R_BAD_ECPOINT 306
2313	# define SSL_R_BAD_HANDSHAKE_LENGTH 332
2314	# define SSL_R_BAD_HELLO_REQUEST 105
2315	# define SSL_R_BAD_LENGTH 271
2316	# define SSL_R_BAD_PACKET_LENGTH 115
2317	# define SSL_R_BAD_PROTOCOL_VERSION_NUMBER 116
2318	# define SSL_R_BAD_RSA_ENCRYPT 119
2319	# define SSL_R_BAD_SIGNATURE 123
2320	# define SSL_R_BAD_SRP_A_LENGTH 347
2321	# define SSL_R_BAD_SRP_PARAMETERS 371
2322	# define SSL_R_BAD_SRTP_MKI_VALUE 352
2323	# define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST 353
2324	# define SSL_R_BAD_SSL_FILETYPE 124
2325	# define SSL_R_BAD_VALUE 384
2326	# define SSL_R_BAD_WRITE_RETRY 127
2327	# define SSL_R_BIO_NOT_SET 128
2328	# define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG 129
2329	# define SSL_R_BN_LIB 130
2330	# define SSL_R_CA_DN_LENGTH_MISMATCH 131
2331	# define SSL_R_CA_KEY_TOO_SMALL 397
2332	# define SSL_R_CA_MD_TOO_WEAK 398
2333	# define SSL_R_CCS_RECEIVED_EARLY 133
2334	# define SSL_R_CERTIFICATE_VERIFY_FAILED 134
2335	# define SSL_R_CERT_CB_ERROR 377
2336	# define SSL_R_CERT_LENGTH_MISMATCH 135
2337	# define SSL_R_CIPHER_CODE_WRONG_LENGTH 137
2338	# define SSL_R_CIPHER_OR_HASH_UNAVAILABLE 138
2339	# define SSL_R_CLIENTHELLO_TLSEXT 226
2340	# define SSL_R_COMPRESSED_LENGTH_TOO_LONG 140
2341	# define SSL_R_COMPRESSION_DISABLED 343
2342	# define SSL_R_COMPRESSION_FAILURE 141
2343	# define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE 307
2344	# define SSL_R_COMPRESSION_LIBRARY_ERROR 142
2345	# define SSL_R_CONNECTION_TYPE_NOT_SET 144
2346	# define SSL_R_CONTEXT_NOT_DANE_ENABLED 167
2347	# define SSL_R_COOKIE_GEN_CALLBACK_FAILURE 400
2348	# define SSL_R_COOKIE_MISMATCH 308
2349	# define SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED 206
2350	# define SSL_R_DANE_ALREADY_ENABLED 172
2351	# define SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL 173
2352	# define SSL_R_DANE_NOT_ENABLED 175
2353	# define SSL_R_DANE_TLSA_BAD_CERTIFICATE 180
2354	# define SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE 184
2355	# define SSL_R_DANE_TLSA_BAD_DATA_LENGTH 189
2356	# define SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH 192
2357	# define SSL_R_DANE_TLSA_BAD_MATCHING_TYPE 200
2358	# define SSL_R_DANE_TLSA_BAD_PUBLIC_KEY 201
2359	# define SSL_R_DANE_TLSA_BAD_SELECTOR 202
2360	# define SSL_R_DANE_TLSA_NULL_DATA 203
2361	# define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED 145
2362	# define SSL_R_DATA_LENGTH_TOO_LONG 146
2363	# define SSL_R_DECRYPTION_FAILED 147
2364	# define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC 281
2365	# define SSL_R_DH_KEY_TOO_SMALL 394
2366	# define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG 148
2367	# define SSL_R_DIGEST_CHECK_FAILED 149
2368	# define SSL_R_DTLS_MESSAGE_TOO_BIG 334
2369	# define SSL_R_DUPLICATE_COMPRESSION_ID 309
2370	# define SSL_R_ECC_CERT_NOT_FOR_SIGNING 318
2371	# define SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE 374
2372	# define SSL_R_EE_KEY_TOO_SMALL 399
2373	# define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST 354
2374	# define SSL_R_ENCRYPTED_LENGTH_TOO_LONG 150
2375	# define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST 151
2376	# define SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN 204
2377	# define SSL_R_EXCEEDS_MAX_FRAGMENT_SIZE 194
2378	# define SSL_R_EXCESSIVE_MESSAGE_SIZE 152
2379	# define SSL_R_EXTRA_DATA_IN_MESSAGE 153
2380	# define SSL_R_FAILED_TO_INIT_ASYNC 405
2381	# define SSL_R_FRAGMENTED_CLIENT_HELLO 401
2382	# define SSL_R_GOT_A_FIN_BEFORE_A_CCS 154
2383	# define SSL_R_HTTPS_PROXY_REQUEST 155
2384	# define SSL_R_HTTP_REQUEST 156
2385	# define SSL_R_ILLEGAL_SUITEB_DIGEST 380
2386	# define SSL_R_INAPPROPRIATE_FALLBACK 373
2387	# define SSL_R_INCONSISTENT_COMPRESSION 340
2388	# define SSL_R_INCONSISTENT_EXTMS 104
2389	# define SSL_R_INVALID_COMMAND 280
2390	# define SSL_R_INVALID_COMPRESSION_ALGORITHM 341
2391	# define SSL_R_INVALID_CONFIGURATION_NAME 113
2392	# define SSL_R_INVALID_CT_VALIDATION_TYPE 212
2393	# define SSL_R_INVALID_NULL_CMD_NAME 385
2394	# define SSL_R_INVALID_SEQUENCE_NUMBER 402
2395	# define SSL_R_INVALID_SERVERINFO_DATA 388
2396	# define SSL_R_INVALID_SRP_USERNAME 357
2397	# define SSL_R_INVALID_STATUS_RESPONSE 328
2398	# define SSL_R_INVALID_TICKET_KEYS_LENGTH 325
2399	# define SSL_R_LENGTH_MISMATCH 159
2400	# define SSL_R_LENGTH_TOO_LONG 404
2401	# define SSL_R_LENGTH_TOO_SHORT 160
2402	# define SSL_R_LIBRARY_BUG 274
2403	# define SSL_R_LIBRARY_HAS_NO_CIPHERS 161
2404	# define SSL_R_MISSING_DSA_SIGNING_CERT 165
2405	# define SSL_R_MISSING_ECDSA_SIGNING_CERT 381
2406	# define SSL_R_MISSING_RSA_CERTIFICATE 168
2407	# define SSL_R_MISSING_RSA_ENCRYPTING_CERT 169
2408	# define SSL_R_MISSING_RSA_SIGNING_CERT 170
2409	# define SSL_R_MISSING_SRP_PARAM 358
2410	# define SSL_R_MISSING_TMP_DH_KEY 171
2411	# define SSL_R_MISSING_TMP_ECDH_KEY 311
2412	# define SSL_R_NO_CERTIFICATES_RETURNED 176
2413	# define SSL_R_NO_CERTIFICATE_ASSIGNED 177
2414	# define SSL_R_NO_CERTIFICATE_SET 179
2415	# define SSL_R_NO_CIPHERS_AVAILABLE 181
2416	# define SSL_R_NO_CIPHERS_SPECIFIED 183
2417	# define SSL_R_NO_CIPHER_MATCH 185
2418	# define SSL_R_NO_CLIENT_CERT_METHOD 331
2419	# define SSL_R_NO_COMPRESSION_SPECIFIED 187
2420	# define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER 330
2421	# define SSL_R_NO_METHOD_SPECIFIED 188
2422	# define SSL_R_NO_PEM_EXTENSIONS 389
2423	# define SSL_R_NO_PRIVATE_KEY_ASSIGNED 190
2424	# define SSL_R_NO_PROTOCOLS_AVAILABLE 191
2425	# define SSL_R_NO_RENEGOTIATION 339
2426	# define SSL_R_NO_REQUIRED_DIGEST 324
2427	# define SSL_R_NO_SHARED_CIPHER 193
2428	# define SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS 376
2429	# define SSL_R_NO_SRTP_PROFILES 359
2430	# define SSL_R_NO_VALID_SCTS 216
2431	# define SSL_R_NO_VERIFY_COOKIE_CALLBACK 403
2432	# define SSL_R_NULL_SSL_CTX 195
2433	# define SSL_R_NULL_SSL_METHOD_PASSED 196
2434	# define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED 197
2435	# define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2436	# define SSL_R_PACKET_LENGTH_TOO_LONG 198
2437	# define SSL_R_PARSE_TLSEXT 227
2438	# define SSL_R_PATH_TOO_LONG 270
2439	# define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE 199
2440	# define SSL_R_PEM_NAME_BAD_PREFIX 391
2441	# define SSL_R_PEM_NAME_TOO_SHORT 392
2442	# define SSL_R_PIPELINE_FAILURE 406
2443	# define SSL_R_PROTOCOL_IS_SHUTDOWN 207
2444	# define SSL_R_PSK_IDENTITY_NOT_FOUND 223
2445	# define SSL_R_PSK_NO_CLIENT_CB 224
2446	# define SSL_R_PSK_NO_SERVER_CB 225
2447	# define SSL_R_READ_BIO_NOT_SET 211
2448	# define SSL_R_READ_TIMEOUT_EXPIRED 312
2449	# define SSL_R_RECORD_LENGTH_MISMATCH 213
2450	# define SSL_R_RECORD_TOO_SMALL 298
2451	# define SSL_R_RENEGOTIATE_EXT_TOO_LONG 335
2452	# define SSL_R_RENEGOTIATION_ENCODING_ERR 336
2453	# define SSL_R_RENEGOTIATION_MISMATCH 337
2454	# define SSL_R_REQUIRED_CIPHER_MISSING 215
2455	# define SSL_R_REQUIRED_COMPRESSION_ALGORITHM_MISSING 342
2456	# define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING 345
2457	# define SSL_R_SCT_VERIFICATION_FAILED 208
2458	# define SSL_R_SERVERHELLO_TLSEXT 275
2459	# define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED 277
2460	# define SSL_R_SHUTDOWN_WHILE_IN_INIT 407
2461	# define SSL_R_SIGNATURE_ALGORITHMS_ERROR 360
2462	# define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE 220
2463	# define SSL_R_SRP_A_CALC 361
2464	# define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES 362
2465	# define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG 363
2466	# define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE 364
2467	# define SSL_R_SSL3_EXT_INVALID_SERVERNAME 319
2468	# define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE 320
2469	# define SSL_R_SSL3_SESSION_ID_TOO_LONG 300
2470	# define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE 1042
2471	# define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC 1020
2472	# define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED 1045
2473	# define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED 1044
2474	# define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN 1046
2475	# define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE 1030
2476	# define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE 1040
2477	# define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER 1047
2478	# define SSL_R_SSLV3_ALERT_NO_CERTIFICATE 1041
2479	# define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE 1010
2480	# define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE 1043
2481	# define SSL_R_SSL_COMMAND_SECTION_EMPTY 117
2482	# define SSL_R_SSL_COMMAND_SECTION_NOT_FOUND 125
2483	# define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION 228
2484	# define SSL_R_SSL_HANDSHAKE_FAILURE 229
2485	# define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS 230
2486	# define SSL_R_SSL_NEGATIVE_LENGTH 372
2487	# define SSL_R_SSL_SECTION_EMPTY 126
2488	# define SSL_R_SSL_SECTION_NOT_FOUND 136
2489	# define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED 301
2490	# define SSL_R_SSL_SESSION_ID_CONFLICT 302
2491	# define SSL_R_SSL_SESSION_ID_TOO_LONG 408
2492	# define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG 273
2493	# define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH 303
2494	# define SSL_R_SSL_SESSION_VERSION_MISMATCH 210
2495	# define SSL_R_TLSV1_ALERT_ACCESS_DENIED 1049
2496	# define SSL_R_TLSV1_ALERT_DECODE_ERROR 1050
2497	# define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED 1021
2498	# define SSL_R_TLSV1_ALERT_DECRYPT_ERROR 1051
2499	# define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION 1060
2500	# define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK 1086
2501	# define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY 1071
2502	# define SSL_R_TLSV1_ALERT_INTERNAL_ERROR 1080
2503	# define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION 1100
2504	# define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION 1070
2505	# define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW 1022
2506	# define SSL_R_TLSV1_ALERT_UNKNOWN_CA 1048
2507	# define SSL_R_TLSV1_ALERT_USER_CANCELLED 1090
2508	# define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE 1114
2509	# define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE 1113
2510	# define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE 1111
2511	# define SSL_R_TLSV1_UNRECOGNIZED_NAME 1112
2512	# define SSL_R_TLSV1_UNSUPPORTED_EXTENSION 1110
2513	# define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT 365
2514	# define SSL_R_TLS_HEARTBEAT_PENDING 366
2515	# define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL 367
2516	# define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST 157
2517	# define SSL_R_TOO_MANY_WARN_ALERTS 409
2518	# define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS 314
2519	# define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS 239
2520	# define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES 242
2521	# define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES 243
2522	# define SSL_R_UNEXPECTED_MESSAGE 244
2523	# define SSL_R_UNEXPECTED_RECORD 245
2524	# define SSL_R_UNINITIALIZED 276
2525	# define SSL_R_UNKNOWN_ALERT_TYPE 246
2526	# define SSL_R_UNKNOWN_CERTIFICATE_TYPE 247
2527	# define SSL_R_UNKNOWN_CIPHER_RETURNED 248
2528	# define SSL_R_UNKNOWN_CIPHER_TYPE 249
2529	# define SSL_R_UNKNOWN_CMD_NAME 386
2530	# define SSL_R_UNKNOWN_COMMAND 139
2531	# define SSL_R_UNKNOWN_DIGEST 368
2532	# define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE 250
2533	# define SSL_R_UNKNOWN_PKEY_TYPE 251
2534	# define SSL_R_UNKNOWN_PROTOCOL 252
2535	# define SSL_R_UNKNOWN_SSL_VERSION 254
2536	# define SSL_R_UNKNOWN_STATE 255
2537	# define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED 338
2538	# define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM 257
2539	# define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE 315
2540	# define SSL_R_UNSUPPORTED_PROTOCOL 258
2541	# define SSL_R_UNSUPPORTED_SSL_VERSION 259
2542	# define SSL_R_UNSUPPORTED_STATUS_TYPE 329
2543	# define SSL_R_USE_SRTP_NOT_NEGOTIATED 369
2544	# define SSL_R_VERSION_TOO_HIGH 166
2545	# define SSL_R_VERSION_TOO_LOW 396
2546	# define SSL_R_WRONG_CERTIFICATE_TYPE 383
2547	# define SSL_R_WRONG_CIPHER_RETURNED 261
2548	# define SSL_R_WRONG_CURVE 378
2549	# define SSL_R_WRONG_SIGNATURE_LENGTH 264
2550	# define SSL_R_WRONG_SIGNATURE_SIZE 265
2551	# define SSL_R_WRONG_SIGNATURE_TYPE 370
2552	# define SSL_R_WRONG_SSL_VERSION 266
2553	# define SSL_R_WRONG_VERSION_NUMBER 267
2554	# define SSL_R_X509_LIB 268
2555	# define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS 269
2556
2557	# ifdef __cplusplus
2558	}
2559	# endif
2560	#endif
2561

Browse the source code of include/openssl/ssl.h