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

1	/*
2	* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3	* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4	* Copyright 2005 Nokia. All rights reserved.
5	*
6	* Licensed under the Apache License 2.0 (the "License"). You may not use
7	* this file except in compliance with the License. You can obtain a copy
8	* in the file LICENSE in the source distribution or at
9	* https://www.openssl.org/source/license.html
10	*/
11
12	#ifndef OPENSSL_SSL_H
13	# define OPENSSL_SSL_H
14	# pragma once
15
16	# include <openssl/macros.h>
17	# ifndef OPENSSL_NO_DEPRECATED_3_0
18	# define HEADER_SSL_H
19	# endif
20
21	# include <openssl/e_os2.h>
22	# include <openssl/opensslconf.h>
23	# include <openssl/comp.h>
24	# include <openssl/bio.h>
25	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
26	# include <openssl/x509.h>
27	# include <openssl/crypto.h>
28	# include <openssl/buffer.h>
29	# endif
30	# include <openssl/lhash.h>
31	# include <openssl/pem.h>
32	# include <openssl/hmac.h>
33	# include <openssl/async.h>
34
35	# include <openssl/safestack.h>
36	# include <openssl/symhacks.h>
37	# include <openssl/ct.h>
38	# include <openssl/sslerr.h>
39
40	#ifdef __cplusplus
41	extern "C" {
42	#endif
43
44	/ OpenSSL version number for ASN.1 encoding of the session information /
45	/-*
46	* Version 0 - initial version
47	* Version 1 - added the optional peer certificate
48	*/
49	# define SSL_SESSION_ASN1_VERSION 0x0001
50
51	# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
52	# define SSL_MAX_SID_CTX_LENGTH 32
53
54	# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
55	# define SSL_MAX_KEY_ARG_LENGTH 8
56	# define SSL_MAX_MASTER_KEY_LENGTH 48
57
58	/ The maximum number of encrypt/decrypt pipelines we can support /
59	# define SSL_MAX_PIPELINES 32
60
61	/ text strings for the ciphers /
62
63	/ These are used to specify which ciphers to use and not to use /
64
65	# define SSL_TXT_LOW "LOW"
66	# define SSL_TXT_MEDIUM "MEDIUM"
67	# define SSL_TXT_HIGH "HIGH"
68	# define SSL_TXT_FIPS "FIPS"
69
70	# define SSL_TXT_aNULL "aNULL"
71	# define SSL_TXT_eNULL "eNULL"
72	# define SSL_TXT_NULL "NULL"
73
74	# define SSL_TXT_kRSA "kRSA"
75	# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
76	# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
77	# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
78	# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
79	# define SSL_TXT_kDHE "kDHE"
80	# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
81	# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
82	# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
83	# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
84	# define SSL_TXT_kECDHE "kECDHE"
85	# define SSL_TXT_kPSK "kPSK"
86	# define SSL_TXT_kRSAPSK "kRSAPSK"
87	# define SSL_TXT_kECDHEPSK "kECDHEPSK"
88	# define SSL_TXT_kDHEPSK "kDHEPSK"
89	# define SSL_TXT_kGOST "kGOST"
90	# define SSL_TXT_kSRP "kSRP"
91
92	# define SSL_TXT_aRSA "aRSA"
93	# define SSL_TXT_aDSS "aDSS"
94	# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
95	# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
96	# define SSL_TXT_aECDSA "aECDSA"
97	# define SSL_TXT_aPSK "aPSK"
98	# define SSL_TXT_aGOST94 "aGOST94"
99	# define SSL_TXT_aGOST01 "aGOST01"
100	# define SSL_TXT_aGOST12 "aGOST12"
101	# define SSL_TXT_aGOST "aGOST"
102	# define SSL_TXT_aSRP "aSRP"
103
104	# define SSL_TXT_DSS "DSS"
105	# define SSL_TXT_DH "DH"
106	# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
107	# define SSL_TXT_EDH "EDH"/* alias for DHE */
108	# define SSL_TXT_ADH "ADH"
109	# define SSL_TXT_RSA "RSA"
110	# define SSL_TXT_ECDH "ECDH"
111	# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
112	# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
113	# define SSL_TXT_AECDH "AECDH"
114	# define SSL_TXT_ECDSA "ECDSA"
115	# define SSL_TXT_PSK "PSK"
116	# define SSL_TXT_SRP "SRP"
117
118	# define SSL_TXT_DES "DES"
119	# define SSL_TXT_3DES "3DES"
120	# define SSL_TXT_RC4 "RC4"
121	# define SSL_TXT_RC2 "RC2"
122	# define SSL_TXT_IDEA "IDEA"
123	# define SSL_TXT_SEED "SEED"
124	# define SSL_TXT_AES128 "AES128"
125	# define SSL_TXT_AES256 "AES256"
126	# define SSL_TXT_AES "AES"
127	# define SSL_TXT_AES_GCM "AESGCM"
128	# define SSL_TXT_AES_CCM "AESCCM"
129	# define SSL_TXT_AES_CCM_8 "AESCCM8"
130	# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
131	# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
132	# define SSL_TXT_CAMELLIA "CAMELLIA"
133	# define SSL_TXT_CHACHA20 "CHACHA20"
134	# define SSL_TXT_GOST "GOST89"
135	# define SSL_TXT_ARIA "ARIA"
136	# define SSL_TXT_ARIA_GCM "ARIAGCM"
137	# define SSL_TXT_ARIA128 "ARIA128"
138	# define SSL_TXT_ARIA256 "ARIA256"
139
140	# define SSL_TXT_MD5 "MD5"
141	# define SSL_TXT_SHA1 "SHA1"
142	# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
143	# define SSL_TXT_GOST94 "GOST94"
144	# define SSL_TXT_GOST89MAC "GOST89MAC"
145	# define SSL_TXT_GOST12 "GOST12"
146	# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
147	# define SSL_TXT_SHA256 "SHA256"
148	# define SSL_TXT_SHA384 "SHA384"
149
150	# define SSL_TXT_SSLV3 "SSLv3"
151	# define SSL_TXT_TLSV1 "TLSv1"
152	# define SSL_TXT_TLSV1_1 "TLSv1.1"
153	# define SSL_TXT_TLSV1_2 "TLSv1.2"
154
155	# define SSL_TXT_ALL "ALL"
156
157	/-*
158	* COMPLEMENTOF* definitions. These identifiers are used to (de-select)
159	* ciphers normally not being used.
160	* Example: "RC4" will activate all ciphers using RC4 including ciphers
161	* without authentication, which would normally disabled by DEFAULT (due
162	* the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
163	* will make sure that it is also disabled in the specific selection.
164	* COMPLEMENTOF* identifiers are portable between version, as adjustments
165	* to the default cipher setup will also be included here.
166	*
167	* COMPLEMENTOFDEFAULT does not experience the same special treatment that
168	* DEFAULT gets, as only selection is being done and no sorting as needed
169	* for DEFAULT.
170	*/
171	# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
172	# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
173
174	/*
175	* The following cipher list is used by default. It also is substituted when
176	* an application-defined cipher list string starts with 'DEFAULT'.
177	* This applies to ciphersuites for TLSv1.2 and below.
178	* DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
179	* Update both macro and function simultaneously
180	*/
181	# ifndef OPENSSL_NO_DEPRECATED_3_0
182	# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
183	/*
184	* This is the default set of TLSv1.3 ciphersuites
185	* DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
186	* Update both macro and function simultaneously
187	*/
188	# if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
189	# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
190	"TLS_CHACHA20_POLY1305_SHA256:" \
191	"TLS_AES_128_GCM_SHA256"
192	# else
193	# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
194	"TLS_AES_128_GCM_SHA256"
195	# endif
196	# endif
197	/*
198	* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
199	* starts with a reasonable order, and all we have to do for DEFAULT is
200	* throwing out anonymous and unencrypted ciphersuites! (The latter are not
201	* actually enabled by ALL, but "ALL:RSA" would enable some of them.)
202	*/
203
204	/ Used in SSL_set_shutdown()/SSL_get_shutdown(); /
205	# define SSL_SENT_SHUTDOWN 1
206	# define SSL_RECEIVED_SHUTDOWN 2
207
208	#ifdef __cplusplus
209	}
210	#endif
211
212	#ifdef __cplusplus
213	extern "C" {
214	#endif
215
216	# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
217	# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
218
219	/*
220	* This is needed to stop compilers complaining about the 'struct ssl_st *'
221	* function parameters used to prototype callbacks in SSL_CTX.
222	*/
223	typedef struct ssl_st *ssl_crock_st;
224	typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
225	typedef struct ssl_method_st SSL_METHOD;
226	typedef struct ssl_cipher_st SSL_CIPHER;
227	typedef struct ssl_session_st SSL_SESSION;
228	typedef struct tls_sigalgs_st TLS_SIGALGS;
229	typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
230	typedef struct ssl_comp_st SSL_COMP;
231
232	STACK_OF(SSL_CIPHER);
233	STACK_OF(SSL_COMP);
234
235	/ SRTP protection profiles for use with the use_srtp extension (RFC 5764)/
236	typedef struct srtp_protection_profile_st {
237	const char *name;
238	unsigned long id;
239	} SRTP_PROTECTION_PROFILE;
240
241	DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
242
243	typedef int (tls_session_ticket_ext_cb_fn)(SSL s, const unsigned char *data,
244	int len, void *arg);
245	typedef int (tls_session_secret_cb_fn)(SSL s, void secret, int* *secret_len,
246	STACK_OF(SSL_CIPHER) *peer_ciphers,
247	const SSL_CIPHER *cipher, void* *arg);
248
249	/ Extension context codes /
250	/ This extension is only allowed in TLS /
251	#define SSL_EXT_TLS_ONLY 0x0001
252	/ This extension is only allowed in DTLS /
253	#define SSL_EXT_DTLS_ONLY 0x0002
254	/ Some extensions may be allowed in DTLS but we don't implement them for it /
255	#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
256	/ Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is /
257	#define SSL_EXT_SSL3_ALLOWED 0x0008
258	/ Extension is only defined for TLS1.2 and below /
259	#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
260	/ Extension is only defined for TLS1.3 and above /
261	#define SSL_EXT_TLS1_3_ONLY 0x0020
262	/ Ignore this extension during parsing if we are resuming /
263	#define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
264	#define SSL_EXT_CLIENT_HELLO 0x0080
265	/ Really means TLS1.2 or below /
266	#define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
267	#define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
268	#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
269	#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
270	#define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
271	#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
272	#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
273
274	/ Typedefs for handling custom extensions /
275
276	typedef int (custom_ext_add_cb)(SSL s, unsigned int ext_type,
277	const unsigned char *out, size_t outlen,
278	int al, void* *add_arg);
279
280	typedef void (custom_ext_free_cb)(SSL s, unsigned int ext_type,
281	const unsigned char out, void* *add_arg);
282
283	typedef int (custom_ext_parse_cb)(SSL s, unsigned int ext_type,
284	const unsigned char *in, size_t inlen,
285	int al, void* *parse_arg);
286
287
288	typedef int (SSL_custom_ext_add_cb_ex)(SSL s, unsigned int ext_type,
289	unsigned int context,
290	const unsigned char **out,
291	size_t outlen, X509 x,
292	size_t chainidx,
293	int al, void* *add_arg);
294
295	typedef void (SSL_custom_ext_free_cb_ex)(SSL s, unsigned int ext_type,
296	unsigned int context,
297	const unsigned char *out,
298	void *add_arg);
299
300	typedef int (SSL_custom_ext_parse_cb_ex)(SSL s, unsigned int ext_type,
301	unsigned int context,
302	const unsigned char *in,
303	size_t inlen, X509 *x,
304	size_t chainidx,
305	int al, void* *parse_arg);
306
307	/ Typedef for verification callback /
308	typedef int (SSL_verify_cb)(int* preverify_ok, X509_STORE_CTX *x509_ctx);
309
310	/ Typedef for SSL async callback /
311	typedef int (SSL_async_callback_fn)(SSL s, void *arg);
312
313	/*
314	* Some values are reserved until OpenSSL 3.0.0 because they were previously
315	* included in SSL_OP_ALL in a 1.1.x release.
316	*/
317
318	/ Disable Extended master secret /
319	# define SSL_OP_NO_EXTENDED_MASTER_SECRET 0x00000001U
320
321	/ Reserved value (until OpenSSL 3.0.0) 0x00000002U /
322
323	/ Allow initial connection to servers that don't support RI /
324	# define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
325
326	/ Reserved value (until OpenSSL 3.0.0) 0x00000008U /
327	# define SSL_OP_TLSEXT_PADDING 0x00000010U
328	/ Reserved value (until OpenSSL 3.0.0) 0x00000020U /
329	# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
330	/*
331	* Reserved value (until OpenSSL 3.0.0) 0x00000080U
332	* Reserved value (until OpenSSL 3.0.0) 0x00000100U
333	* Reserved value (until OpenSSL 3.0.0) 0x00000200U
334	*/
335
336	/ In TLSv1.3 allow a non-(ec)dhe based kex_mode /
337	# define SSL_OP_ALLOW_NO_DHE_KEX 0x00000400U
338
339	/*
340	* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
341	* OpenSSL 0.9.6d. Usually (depending on the application protocol) the
342	* workaround is not needed. Unfortunately some broken SSL/TLS
343	* implementations cannot handle it at all, which is why we include it in
344	* SSL_OP_ALL. Added in 0.9.6e
345	*/
346	# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
347
348	/ DTLS options /
349	# define SSL_OP_NO_QUERY_MTU 0x00001000U
350	/ Turn on Cookie Exchange (on relevant for servers) /
351	# define SSL_OP_COOKIE_EXCHANGE 0x00002000U
352	/ Don't use RFC4507 ticket extension /
353	# define SSL_OP_NO_TICKET 0x00004000U
354	# ifndef OPENSSL_NO_DTLS1_METHOD
355	/ Use Cisco's "speshul" version of DTLS_BAD_VER*
356	* (only with deprecated DTLSv1_client_method()) */
357	# define SSL_OP_CISCO_ANYCONNECT 0x00008000U
358	# endif
359
360	/ As server, disallow session resumption on renegotiation /
361	# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
362	/ Don't use compression even if supported /
363	# define SSL_OP_NO_COMPRESSION 0x00020000U
364	/ Permit unsafe legacy renegotiation /
365	# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
366	/ Disable encrypt-then-mac /
367	# define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
368
369	/*
370	* Enable TLSv1.3 Compatibility mode. This is on by default. A future version
371	* of OpenSSL may have this disabled by default.
372	*/
373	# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT 0x00100000U
374
375	/ Prioritize Chacha20Poly1305 when client does.*
376	* Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */
377	# define SSL_OP_PRIORITIZE_CHACHA 0x00200000U
378
379	/*
380	* Set on servers to choose the cipher according to the server's preferences
381	*/
382	# define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
383	/*
384	* If set, a server will allow a client to issue a SSLv3.0 version number as
385	* latest version supported in the premaster secret, even when TLSv1.0
386	* (version 3.1) was announced in the client hello. Normally this is
387	* forbidden to prevent version rollback attacks.
388	*/
389	# define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
390
391	/*
392	* Switches off automatic TLSv1.3 anti-replay protection for early data. This
393	* is a server-side option only (no effect on the client).
394	*/
395	# define SSL_OP_NO_ANTI_REPLAY 0x01000000U
396
397	# define SSL_OP_NO_SSLv3 0x02000000U
398	# define SSL_OP_NO_TLSv1 0x04000000U
399	# define SSL_OP_NO_TLSv1_2 0x08000000U
400	# define SSL_OP_NO_TLSv1_1 0x10000000U
401	# define SSL_OP_NO_TLSv1_3 0x20000000U
402
403	# define SSL_OP_NO_DTLSv1 0x04000000U
404	# define SSL_OP_NO_DTLSv1_2 0x08000000U
405
406	# define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3\|\
407	SSL_OP_NO_TLSv1\|SSL_OP_NO_TLSv1_1\|SSL_OP_NO_TLSv1_2\|SSL_OP_NO_TLSv1_3)
408	# define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1\|SSL_OP_NO_DTLSv1_2)
409
410	/ Disallow all renegotiation /
411	# define SSL_OP_NO_RENEGOTIATION 0x40000000U
412
413	/*
414	* Make server add server-hello extension from early version of cryptopro
415	* draft, when GOST ciphersuite is negotiated. Required for interoperability
416	* with CryptoPro CSP 3.x
417	*/
418	# define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
419
420	/*
421	* SSL_OP_ALL: various bug workarounds that should be rather harmless.
422	* This used to be 0x000FFFFFL before 0.9.7.
423	* This used to be 0x80000BFFU before 1.1.1.
424	*/
425	# define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG\|\
426	SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS\|\
427	SSL_OP_LEGACY_SERVER_CONNECT\|\
428	SSL_OP_TLSEXT_PADDING\|\
429	SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
430
431	/ OBSOLETE OPTIONS: retained for compatibility /
432
433	/ Removed from OpenSSL 1.1.0. Was 0x00000001L /
434	/ Related to removed SSLv2. /
435	# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
436	/ Removed from OpenSSL 1.1.0. Was 0x00000002L /
437	/ Related to removed SSLv2. /
438	# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
439	/ Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L /
440	/ Dead forever, see CVE-2010-4180 /
441	# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
442	/ Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L /
443	/ Refers to ancient SSLREF and SSLv2. /
444	# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
445	/ Removed from OpenSSL 1.1.0. Was 0x00000020 /
446	# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
447	/ Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L /
448	# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
449	/ Removed from OpenSSL 1.1.0. Was 0x00000080 /
450	/ Ancient SSLeay version. /
451	# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
452	/ Removed from OpenSSL 1.1.0. Was 0x00000100L /
453	# define SSL_OP_TLS_D5_BUG 0x0
454	/ Removed from OpenSSL 1.1.0. Was 0x00000200L /
455	# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
456	/ Removed from OpenSSL 1.1.0. Was 0x00080000L /
457	# define SSL_OP_SINGLE_ECDH_USE 0x0
458	/ Removed from OpenSSL 1.1.0. Was 0x00100000L /
459	# define SSL_OP_SINGLE_DH_USE 0x0
460	/ Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L /
461	# define SSL_OP_EPHEMERAL_RSA 0x0
462	/ Removed from OpenSSL 1.1.0. Was 0x01000000L /
463	# define SSL_OP_NO_SSLv2 0x0
464	/ Removed from OpenSSL 1.0.1. Was 0x08000000L /
465	# define SSL_OP_PKCS1_CHECK_1 0x0
466	/ Removed from OpenSSL 1.0.1. Was 0x10000000L /
467	# define SSL_OP_PKCS1_CHECK_2 0x0
468	/ Removed from OpenSSL 1.1.0. Was 0x20000000L /
469	# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
470	/ Removed from OpenSSL 1.1.0. Was 0x40000000L /
471	# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
472
473	/*
474	* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
475	* when just a single record has been written):
476	*/
477	# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
478	/*
479	* Make it possible to retry SSL_write() with changed buffer location (buffer
480	* contents must stay the same!); this is not the default to avoid the
481	* misconception that non-blocking SSL_write() behaves like non-blocking
482	* write():
483	*/
484	# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
485	/*
486	* Never bother the application with retries if the transport is blocking:
487	*/
488	# define SSL_MODE_AUTO_RETRY 0x00000004U
489	/ Don't attempt to automatically build certificate chain /
490	# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
491	/*
492	* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
493	* TLS only.) Released buffers are freed.
494	*/
495	# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
496	/*
497	* Send the current time in the Random fields of the ClientHello and
498	* ServerHello records for compatibility with hypothetical implementations
499	* that require it.
500	*/
501	# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
502	# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
503	/*
504	* Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
505	* that reconnect with a downgraded protocol version; see
506	* draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
507	* application attempts a normal handshake. Only use this in explicit
508	* fallback retries, following the guidance in
509	* draft-ietf-tls-downgrade-scsv-00.
510	*/
511	# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
512	/*
513	* Support Asynchronous operation
514	*/
515	# define SSL_MODE_ASYNC 0x00000100U
516	/*
517	* Don't use the kernel TLS data-path for sending.
518	*/
519	# define SSL_MODE_NO_KTLS_TX 0x00000200U
520	/*
521	* When using DTLS/SCTP, include the terminating zero in the label
522	* used for computing the endpoint-pair shared secret. Required for
523	* interoperability with implementations having this bug like these
524	* older version of OpenSSL:
525	* - OpenSSL 1.0.0 series
526	* - OpenSSL 1.0.1 series
527	* - OpenSSL 1.0.2 series
528	* - OpenSSL 1.1.0 series
529	* - OpenSSL 1.1.1 and 1.1.1a
530	*/
531	# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
532	/*
533	* Don't use the kernel TLS data-path for receiving.
534	*/
535	# define SSL_MODE_NO_KTLS_RX 0x00000800U
536
537	/ Cert related flags /
538	/*
539	* Many implementations ignore some aspects of the TLS standards such as
540	* enforcing certificate chain algorithms. When this is set we enforce them.
541	*/
542	# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
543
544	/ Suite B modes, takes same values as certificate verify flags /
545	# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
546	/ Suite B 192 bit only mode /
547	# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
548	/ Suite B 128 bit mode allowing 192 bit algorithms /
549	# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
550
551	/ Perform all sorts of protocol violations for testing purposes /
552	# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
553
554	/ Flags for building certificate chains /
555	/ Treat any existing certificates as untrusted CAs /
556	# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
557	/ Don't include root CA in chain /
558	# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
559	/ Just check certificates already there /
560	# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
561	/ Ignore verification errors /
562	# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
563	/ Clear verification errors from queue /
564	# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
565
566	/ Flags returned by SSL_check_chain /
567	/ Certificate can be used with this session /
568	# define CERT_PKEY_VALID 0x1
569	/ Certificate can also be used for signing /
570	# define CERT_PKEY_SIGN 0x2
571	/ EE certificate signing algorithm OK /
572	# define CERT_PKEY_EE_SIGNATURE 0x10
573	/ CA signature algorithms OK /
574	# define CERT_PKEY_CA_SIGNATURE 0x20
575	/ EE certificate parameters OK /
576	# define CERT_PKEY_EE_PARAM 0x40
577	/ CA certificate parameters OK /
578	# define CERT_PKEY_CA_PARAM 0x80
579	/ Signing explicitly allowed as opposed to SHA1 fallback /
580	# define CERT_PKEY_EXPLICIT_SIGN 0x100
581	/ Client CA issuer names match (always set for server cert) /
582	# define CERT_PKEY_ISSUER_NAME 0x200
583	/ Cert type matches client types (always set for server cert) /
584	# define CERT_PKEY_CERT_TYPE 0x400
585	/ Cert chain suitable to Suite B /
586	# define CERT_PKEY_SUITEB 0x800
587
588	# define SSL_CONF_FLAG_CMDLINE 0x1
589	# define SSL_CONF_FLAG_FILE 0x2
590	# define SSL_CONF_FLAG_CLIENT 0x4
591	# define SSL_CONF_FLAG_SERVER 0x8
592	# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
593	# define SSL_CONF_FLAG_CERTIFICATE 0x20
594	# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
595	/ Configuration value types /
596	# define SSL_CONF_TYPE_UNKNOWN 0x0
597	# define SSL_CONF_TYPE_STRING 0x1
598	# define SSL_CONF_TYPE_FILE 0x2
599	# define SSL_CONF_TYPE_DIR 0x3
600	# define SSL_CONF_TYPE_NONE 0x4
601	# define SSL_CONF_TYPE_STORE 0x5
602
603	/ Maximum length of the application-controlled segment of a a TLSv1.3 cookie /
604	# define SSL_COOKIE_LENGTH 4096
605
606	/*
607	* Note: SSL[_CTX]_set_{options,mode} use \|= op on the previous value, they
608	* cannot be used to clear bits.
609	*/
610
611	unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
612	unsigned long SSL_get_options(const SSL *s);
613	unsigned long SSL_CTX_clear_options(SSL_CTX ctx, unsigned* long op);
614	unsigned long SSL_clear_options(SSL s, unsigned* long op);
615	unsigned long SSL_CTX_set_options(SSL_CTX ctx, unsigned* long op);
616	unsigned long SSL_set_options(SSL s, unsigned* long op);
617
618	# define SSL_CTX_set_mode(ctx,op) \
619	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
620	# define SSL_CTX_clear_mode(ctx,op) \
621	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
622	# define SSL_CTX_get_mode(ctx) \
623	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
624	# define SSL_clear_mode(ssl,op) \
625	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
626	# define SSL_set_mode(ssl,op) \
627	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
628	# define SSL_get_mode(ssl) \
629	SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
630	# define SSL_set_mtu(ssl, mtu) \
631	SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
632	# define DTLS_set_link_mtu(ssl, mtu) \
633	SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
634	# define DTLS_get_link_min_mtu(ssl) \
635	SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
636
637	# define SSL_get_secure_renegotiation_support(ssl) \
638	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
639
640	# define SSL_CTX_set_cert_flags(ctx,op) \
641	SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
642	# define SSL_set_cert_flags(s,op) \
643	SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
644	# define SSL_CTX_clear_cert_flags(ctx,op) \
645	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
646	# define SSL_clear_cert_flags(s,op) \
647	SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
648
649	void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
650	void (cb) (int* write_p, int version,
651	int content_type, const void *buf,
652	size_t len, SSL ssl, void* *arg));
653	void SSL_set_msg_callback(SSL *ssl,
654	void (cb) (int* write_p, int version,
655	int content_type, const void *buf,
656	size_t len, SSL ssl, void* *arg));
657	# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
658	# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
659
660	# define SSL_get_extms_support(s) \
661	SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
662
663	# ifndef OPENSSL_NO_SRP
664
665	/ see tls_srp.c /
666	__owur int SSL_SRP_CTX_init(SSL *s);
667	__owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
668	int SSL_SRP_CTX_free(SSL *ctx);
669	int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
670	__owur int SSL_srp_server_param_with_username(SSL s, int* *ad);
671	__owur int SRP_Calc_A_param(SSL *s);
672
673	# endif
674
675	/ 100k max cert list /
676	# define SSL_MAX_CERT_LIST_DEFAULT 1024*100
677
678	# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
679
680	/*
681	* This callback type is used inside SSL_CTX, SSL, and in the functions that
682	* set them. It is used to override the generation of SSL/TLS session IDs in
683	* a server. Return value should be zero on an error, non-zero to proceed.
684	* Also, callbacks should themselves check if the id they generate is unique
685	* otherwise the SSL handshake will fail with an error - callbacks can do
686	* this using the 'ssl' value they're passed by;
687	* SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
688	* is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
689	* bytes. The callback can alter this length to be less if desired. It is
690	* also an error for the callback to set the size to zero.
691	*/
692	typedef int (GEN_SESSION_CB) (SSL ssl, unsigned char *id,
693	unsigned int *id_len);
694
695	# define SSL_SESS_CACHE_OFF 0x0000
696	# define SSL_SESS_CACHE_CLIENT 0x0001
697	# define SSL_SESS_CACHE_SERVER 0x0002
698	# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT\|SSL_SESS_CACHE_SERVER)
699	# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
700	/ enough comments already ... see SSL_CTX_set_session_cache_mode(3) /
701	# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
702	# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
703	# define SSL_SESS_CACHE_NO_INTERNAL \
704	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP\|SSL_SESS_CACHE_NO_INTERNAL_STORE)
705
706	LHASH_OF(SSL_SESSION) SSL_CTX_sessions(SSL_CTX ctx);
707	# define SSL_CTX_sess_number(ctx) \
708	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
709	# define SSL_CTX_sess_connect(ctx) \
710	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
711	# define SSL_CTX_sess_connect_good(ctx) \
712	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
713	# define SSL_CTX_sess_connect_renegotiate(ctx) \
714	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
715	# define SSL_CTX_sess_accept(ctx) \
716	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
717	# define SSL_CTX_sess_accept_renegotiate(ctx) \
718	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
719	# define SSL_CTX_sess_accept_good(ctx) \
720	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
721	# define SSL_CTX_sess_hits(ctx) \
722	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
723	# define SSL_CTX_sess_cb_hits(ctx) \
724	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
725	# define SSL_CTX_sess_misses(ctx) \
726	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
727	# define SSL_CTX_sess_timeouts(ctx) \
728	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
729	# define SSL_CTX_sess_cache_full(ctx) \
730	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
731
732	void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
733	int (new_session_cb) (struct* ssl_st *ssl,
734	SSL_SESSION *sess));
735	int (SSL_CTX_sess_get_new_cb(SSL_CTX ctx)) (struct ssl_st *ssl,
736	SSL_SESSION *sess);
737	void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
738	void (remove_session_cb) (struct* ssl_ctx_st
739	*ctx,
740	SSL_SESSION *sess));
741	void (SSL_CTX_sess_get_remove_cb(SSL_CTX ctx)) (struct ssl_ctx_st *ctx,
742	SSL_SESSION *sess);
743	void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
744	SSL_SESSION (get_session_cb) (struct ssl_st
745	*ssl,
746	const unsigned char
747	data, int* len,
748	int *copy));
749	SSL_SESSION (SSL_CTX_sess_get_get_cb(SSL_CTX ctx)) (struct* ssl_st *ssl,
750	const unsigned char *data,
751	int len, int *copy);
752	void SSL_CTX_set_info_callback(SSL_CTX *ctx,
753	void (cb) (const* SSL ssl, int* type, int val));
754	void (SSL_CTX_get_info_callback(SSL_CTX ctx)) (const SSL ssl, int* type,
755	int val);
756	void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
757	int (client_cert_cb) (SSL ssl, X509 **x509,
758	EVP_PKEY **pkey));
759	int (SSL_CTX_get_client_cert_cb(SSL_CTX ctx)) (SSL ssl, X509 *x509,
760	EVP_PKEY **pkey);
761	# ifndef OPENSSL_NO_ENGINE
762	__owur int SSL_CTX_set_client_cert_engine(SSL_CTX ctx, ENGINE e);
763	# endif
764	void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
765	int (app_gen_cookie_cb) (SSL ssl,
766	unsigned char
767	*cookie,
768	unsigned int
769	*cookie_len));
770	void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
771	int (app_verify_cookie_cb) (SSL ssl,
772	const unsigned
773	char *cookie,
774	unsigned int
775	cookie_len));
776
777	void SSL_CTX_set_stateless_cookie_generate_cb(
778	SSL_CTX *ctx,
779	int (gen_stateless_cookie_cb) (SSL ssl,
780	unsigned char *cookie,
781	size_t *cookie_len));
782	void SSL_CTX_set_stateless_cookie_verify_cb(
783	SSL_CTX *ctx,
784	int (verify_stateless_cookie_cb) (SSL ssl,
785	const unsigned char *cookie,
786	size_t cookie_len));
787	# ifndef OPENSSL_NO_NEXTPROTONEG
788
789	typedef int (SSL_CTX_npn_advertised_cb_func)(SSL ssl,
790	const unsigned char **out,
791	unsigned int *outlen,
792	void *arg);
793	void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
794	SSL_CTX_npn_advertised_cb_func cb,
795	void *arg);
796	# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
797
798	typedef int (SSL_CTX_npn_select_cb_func)(SSL s,
799	unsigned char **out,
800	unsigned char *outlen,
801	const unsigned char *in,
802	unsigned int inlen,
803	void *arg);
804	void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
805	SSL_CTX_npn_select_cb_func cb,
806	void *arg);
807	# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
808
809	void SSL_get0_next_proto_negotiated(const SSL s, const* unsigned char **data,
810	unsigned *len);
811	# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
812	# endif
813
814	__owur int SSL_select_next_proto(unsigned char *out, unsigned* char *outlen,
815	const unsigned char in, unsigned* int inlen,
816	const unsigned char *client,
817	unsigned int client_len);
818
819	# define OPENSSL_NPN_UNSUPPORTED 0
820	# define OPENSSL_NPN_NEGOTIATED 1
821	# define OPENSSL_NPN_NO_OVERLAP 2
822
823	__owur int SSL_CTX_set_alpn_protos(SSL_CTX ctx, const* unsigned char *protos,
824	unsigned int protos_len);
825	__owur int SSL_set_alpn_protos(SSL ssl, const* unsigned char *protos,
826	unsigned int protos_len);
827	typedef int (SSL_CTX_alpn_select_cb_func)(SSL ssl,
828	const unsigned char **out,
829	unsigned char *outlen,
830	const unsigned char *in,
831	unsigned int inlen,
832	void *arg);
833	void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
834	SSL_CTX_alpn_select_cb_func cb,
835	void *arg);
836	void SSL_get0_alpn_selected(const SSL ssl, const* unsigned char **data,
837	unsigned int *len);
838
839	# ifndef OPENSSL_NO_PSK
840	/*
841	* the maximum length of the buffer given to callbacks containing the
842	* resulting identity/psk
843	*/
844	# define PSK_MAX_IDENTITY_LEN 128
845	# define PSK_MAX_PSK_LEN 256
846	typedef unsigned int (SSL_psk_client_cb_func)(SSL ssl,
847	const char *hint,
848	char *identity,
849	unsigned int max_identity_len,
850	unsigned char *psk,
851	unsigned int max_psk_len);
852	void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
853	void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
854
855	typedef unsigned int (SSL_psk_server_cb_func)(SSL ssl,
856	const char *identity,
857	unsigned char *psk,
858	unsigned int max_psk_len);
859	void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
860	void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
861
862	__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX ctx, const* char *identity_hint);
863	__owur int SSL_use_psk_identity_hint(SSL s, const* char *identity_hint);
864	const char SSL_get_psk_identity_hint(const* SSL *s);
865	const char SSL_get_psk_identity(const* SSL *s);
866	# endif
867
868	typedef int (SSL_psk_find_session_cb_func)(SSL ssl,
869	const unsigned char *identity,
870	size_t identity_len,
871	SSL_SESSION **sess);
872	typedef int (SSL_psk_use_session_cb_func)(SSL ssl, const EVP_MD *md,
873	const unsigned char **id,
874	size_t *idlen,
875	SSL_SESSION **sess);
876
877	void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
878	void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
879	SSL_psk_find_session_cb_func cb);
880	void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
881	void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
882	SSL_psk_use_session_cb_func cb);
883
884	/ Register callbacks to handle custom TLS Extensions for client or server. /
885
886	__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
887	unsigned int ext_type);
888
889	__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
890	unsigned int ext_type,
891	custom_ext_add_cb add_cb,
892	custom_ext_free_cb free_cb,
893	void *add_arg,
894	custom_ext_parse_cb parse_cb,
895	void *parse_arg);
896
897	__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
898	unsigned int ext_type,
899	custom_ext_add_cb add_cb,
900	custom_ext_free_cb free_cb,
901	void *add_arg,
902	custom_ext_parse_cb parse_cb,
903	void *parse_arg);
904
905	__owur int SSL_CTX_add_custom_ext(SSL_CTX ctx, unsigned* int ext_type,
906	unsigned int context,
907	SSL_custom_ext_add_cb_ex add_cb,
908	SSL_custom_ext_free_cb_ex free_cb,
909	void *add_arg,
910	SSL_custom_ext_parse_cb_ex parse_cb,
911	void *parse_arg);
912
913	__owur int SSL_extension_supported(unsigned int ext_type);
914
915	# define SSL_NOTHING 1
916	# define SSL_WRITING 2
917	# define SSL_READING 3
918	# define SSL_X509_LOOKUP 4
919	# define SSL_ASYNC_PAUSED 5
920	# define SSL_ASYNC_NO_JOBS 6
921	# define SSL_CLIENT_HELLO_CB 7
922
923	/ These will only be used when doing non-blocking IO /
924	# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
925	# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
926	# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
927	# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
928	# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
929	# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
930	# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
931
932	# define SSL_MAC_FLAG_READ_MAC_STREAM 1
933	# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
934
935	/*
936	* A callback for logging out TLS key material. This callback should log out
937	* \|line\| followed by a newline.
938	*/
939	typedef void (SSL_CTX_keylog_cb_func)(const* SSL ssl, const* char *line);
940
941	/*
942	* SSL_CTX_set_keylog_callback configures a callback to log key material. This
943	* is intended for debugging use with tools like Wireshark. The cb function
944	* should log line followed by a newline.
945	*/
946	void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
947
948	/*
949	* SSL_CTX_get_keylog_callback returns the callback configured by
950	* SSL_CTX_set_keylog_callback.
951	*/
952	SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
953
954	int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
955	uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
956	int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
957	uint32_t SSL_get_max_early_data(const SSL *s);
958	int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
959	uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
960	int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
961	uint32_t SSL_get_recv_max_early_data(const SSL *s);
962
963	#ifdef __cplusplus
964	}
965	#endif
966
967	# include <openssl/ssl2.h>
968	# include <openssl/ssl3.h>
969	# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
970	# include <openssl/dtls1.h> /* Datagram TLS */
971	# include <openssl/srtp.h> /* Support for the use_srtp extension */
972
973	#ifdef __cplusplus
974	extern "C" {
975	#endif
976
977	/*
978	* These need to be after the above set of includes due to a compiler bug
979	* in VisualStudio 2015
980	*/
981	DEFINE_STACK_OF_CONST(SSL_CIPHER)
982	DEFINE_STACK_OF(SSL_COMP)
983
984	/ compatibility /
985	# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
986	# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
987	# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
988	(char *)(a)))
989	# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
990	# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
991	# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
992	(char *)(arg)))
993	DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL s, int* debug))
994
995	/ TLSv1.3 KeyUpdate message types /
996	/ -1 used so that this is an invalid value for the on-the-wire protocol /
997	#define SSL_KEY_UPDATE_NONE -1
998	/ Values as defined for the on-the-wire protocol /
999	#define SSL_KEY_UPDATE_NOT_REQUESTED 0
1000	#define SSL_KEY_UPDATE_REQUESTED 1
1001
1002	/*
1003	* The valid handshake states (one for each type message sent and one for each
1004	* type of message received). There are also two "special" states:
1005	* TLS = TLS or DTLS state
1006	* DTLS = DTLS specific state
1007	* CR/SR = Client Read/Server Read
1008	* CW/SW = Client Write/Server Write
1009	*
1010	* The "special" states are:
1011	* TLS_ST_BEFORE = No handshake has been initiated yet
1012	* TLS_ST_OK = A handshake has been successfully completed
1013	*/
1014	typedef enum {
1015	TLS_ST_BEFORE,
1016	TLS_ST_OK,
1017	DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1018	TLS_ST_CR_SRVR_HELLO,
1019	TLS_ST_CR_CERT,
1020	TLS_ST_CR_CERT_STATUS,
1021	TLS_ST_CR_KEY_EXCH,
1022	TLS_ST_CR_CERT_REQ,
1023	TLS_ST_CR_SRVR_DONE,
1024	TLS_ST_CR_SESSION_TICKET,
1025	TLS_ST_CR_CHANGE,
1026	TLS_ST_CR_FINISHED,
1027	TLS_ST_CW_CLNT_HELLO,
1028	TLS_ST_CW_CERT,
1029	TLS_ST_CW_KEY_EXCH,
1030	TLS_ST_CW_CERT_VRFY,
1031	TLS_ST_CW_CHANGE,
1032	TLS_ST_CW_NEXT_PROTO,
1033	TLS_ST_CW_FINISHED,
1034	TLS_ST_SW_HELLO_REQ,
1035	TLS_ST_SR_CLNT_HELLO,
1036	DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1037	TLS_ST_SW_SRVR_HELLO,
1038	TLS_ST_SW_CERT,
1039	TLS_ST_SW_KEY_EXCH,
1040	TLS_ST_SW_CERT_REQ,
1041	TLS_ST_SW_SRVR_DONE,
1042	TLS_ST_SR_CERT,
1043	TLS_ST_SR_KEY_EXCH,
1044	TLS_ST_SR_CERT_VRFY,
1045	TLS_ST_SR_NEXT_PROTO,
1046	TLS_ST_SR_CHANGE,
1047	TLS_ST_SR_FINISHED,
1048	TLS_ST_SW_SESSION_TICKET,
1049	TLS_ST_SW_CERT_STATUS,
1050	TLS_ST_SW_CHANGE,
1051	TLS_ST_SW_FINISHED,
1052	TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1053	TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1054	TLS_ST_CR_CERT_VRFY,
1055	TLS_ST_SW_CERT_VRFY,
1056	TLS_ST_CR_HELLO_REQ,
1057	TLS_ST_SW_KEY_UPDATE,
1058	TLS_ST_CW_KEY_UPDATE,
1059	TLS_ST_SR_KEY_UPDATE,
1060	TLS_ST_CR_KEY_UPDATE,
1061	TLS_ST_EARLY_DATA,
1062	TLS_ST_PENDING_EARLY_DATA_END,
1063	TLS_ST_CW_END_OF_EARLY_DATA,
1064	TLS_ST_SR_END_OF_EARLY_DATA
1065	} OSSL_HANDSHAKE_STATE;
1066
1067	/*
1068	* Most of the following state values are no longer used and are defined to be
1069	* the closest equivalent value in the current state machine code. Not all
1070	* defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1071	* and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1072	* SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1073	*/
1074
1075	# define SSL_ST_CONNECT 0x1000
1076	# define SSL_ST_ACCEPT 0x2000
1077
1078	# define SSL_ST_MASK 0x0FFF
1079
1080	# define SSL_CB_LOOP 0x01
1081	# define SSL_CB_EXIT 0x02
1082	# define SSL_CB_READ 0x04
1083	# define SSL_CB_WRITE 0x08
1084	# define SSL_CB_ALERT 0x4000/* used in callback */
1085	# define SSL_CB_READ_ALERT (SSL_CB_ALERT\|SSL_CB_READ)
1086	# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT\|SSL_CB_WRITE)
1087	# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT\|SSL_CB_LOOP)
1088	# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT\|SSL_CB_EXIT)
1089	# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT\|SSL_CB_LOOP)
1090	# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT\|SSL_CB_EXIT)
1091	# define SSL_CB_HANDSHAKE_START 0x10
1092	# define SSL_CB_HANDSHAKE_DONE 0x20
1093
1094	/ Is the SSL_connection established? /
1095	# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1096	# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1097	int SSL_in_init(const SSL *s);
1098	int SSL_in_before(const SSL *s);
1099	int SSL_is_init_finished(const SSL *s);
1100
1101	/*
1102	* The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1103	* should not need these
1104	*/
1105	# define SSL_ST_READ_HEADER 0xF0
1106	# define SSL_ST_READ_BODY 0xF1
1107	# define SSL_ST_READ_DONE 0xF2
1108
1109	/-*
1110	* Obtain latest Finished message
1111	* -- that we sent (SSL_get_finished)
1112	* -- that we expected from peer (SSL_get_peer_finished).
1113	* Returns length (0 == no Finished so far), copies up to 'count' bytes.
1114	*/
1115	size_t SSL_get_finished(const SSL s, void* *buf, size_t count);
1116	size_t SSL_get_peer_finished(const SSL s, void* *buf, size_t count);
1117
1118	/*
1119	* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1120	* 'ored' with SSL_VERIFY_PEER if they are desired
1121	*/
1122	# define SSL_VERIFY_NONE 0x00
1123	# define SSL_VERIFY_PEER 0x01
1124	# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1125	# define SSL_VERIFY_CLIENT_ONCE 0x04
1126	# define SSL_VERIFY_POST_HANDSHAKE 0x08
1127
1128	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1129	# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1130	# define SSLeay_add_ssl_algorithms() SSL_library_init()
1131	# endif
1132
1133	/ More backward compatibility /
1134	# define SSL_get_cipher(s) \
1135	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1136	# define SSL_get_cipher_bits(s,np) \
1137	SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1138	# define SSL_get_cipher_version(s) \
1139	SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1140	# define SSL_get_cipher_name(s) \
1141	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1142	# define SSL_get_time(a) SSL_SESSION_get_time(a)
1143	# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1144	# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1145	# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1146
1147	# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1148	# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1149
1150	DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1151	# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1152	* from SSL_AD_... */
1153	/ These alert types are for SSLv3 and TLSv1 /
1154	# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1155	/ fatal /
1156	# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1157	/ fatal /
1158	# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1159	# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1160	# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1161	/ fatal /
1162	# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1163	/ fatal /
1164	# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1165	/ Not for TLS /
1166	# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1167	# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1168	# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1169	# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1170	# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1171	# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1172	/ fatal /
1173	# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1174	/ fatal /
1175	# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1176	/ fatal /
1177	# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1178	/ fatal /
1179	# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1180	# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1181	/ fatal /
1182	# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1183	/ fatal /
1184	# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1185	/ fatal /
1186	# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1187	/ fatal /
1188	# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1189	# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1190	# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1191	# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1192	# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1193	# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1194	# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1195	# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1196	# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1197	# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1198	/ fatal /
1199	# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1200	/ fatal /
1201	# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1202	# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1203	# define SSL_ERROR_NONE 0
1204	# define SSL_ERROR_SSL 1
1205	# define SSL_ERROR_WANT_READ 2
1206	# define SSL_ERROR_WANT_WRITE 3
1207	# define SSL_ERROR_WANT_X509_LOOKUP 4
1208	# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1209	* value/errno */
1210	# define SSL_ERROR_ZERO_RETURN 6
1211	# define SSL_ERROR_WANT_CONNECT 7
1212	# define SSL_ERROR_WANT_ACCEPT 8
1213	# define SSL_ERROR_WANT_ASYNC 9
1214	# define SSL_ERROR_WANT_ASYNC_JOB 10
1215	# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1216	# define SSL_CTRL_SET_TMP_DH 3
1217	# define SSL_CTRL_SET_TMP_ECDH 4
1218	# define SSL_CTRL_SET_TMP_DH_CB 6
1219	# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1220	# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1221	# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1222	# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1223	# define SSL_CTRL_GET_FLAGS 13
1224	# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1225	# define SSL_CTRL_SET_MSG_CALLBACK 15
1226	# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1227	/ only applies to datagram connections /
1228	# define SSL_CTRL_SET_MTU 17
1229	/ Stats /
1230	# define SSL_CTRL_SESS_NUMBER 20
1231	# define SSL_CTRL_SESS_CONNECT 21
1232	# define SSL_CTRL_SESS_CONNECT_GOOD 22
1233	# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1234	# define SSL_CTRL_SESS_ACCEPT 24
1235	# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1236	# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1237	# define SSL_CTRL_SESS_HIT 27
1238	# define SSL_CTRL_SESS_CB_HIT 28
1239	# define SSL_CTRL_SESS_MISSES 29
1240	# define SSL_CTRL_SESS_TIMEOUTS 30
1241	# define SSL_CTRL_SESS_CACHE_FULL 31
1242	# define SSL_CTRL_MODE 33
1243	# define SSL_CTRL_GET_READ_AHEAD 40
1244	# define SSL_CTRL_SET_READ_AHEAD 41
1245	# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1246	# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1247	# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1248	# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1249	# define SSL_CTRL_GET_MAX_CERT_LIST 50
1250	# define SSL_CTRL_SET_MAX_CERT_LIST 51
1251	# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1252	/ see tls1.h for macros based on these /
1253	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1254	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1255	# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1256	# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1257	# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1258	# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1259	# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1260	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 /
1261	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 /
1262	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 /
1263	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1264	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1265	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1266	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1267	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1268	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1269	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1270	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1271	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1272	# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1273	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1274	# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1275	# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1276	# define SSL_CTRL_SET_SRP_ARG 78
1277	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1278	# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1279	# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1280	# define DTLS_CTRL_GET_TIMEOUT 73
1281	# define DTLS_CTRL_HANDLE_TIMEOUT 74
1282	# define SSL_CTRL_GET_RI_SUPPORT 76
1283	# define SSL_CTRL_CLEAR_MODE 78
1284	# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1285	# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1286	# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1287	# define SSL_CTRL_CHAIN 88
1288	# define SSL_CTRL_CHAIN_CERT 89
1289	# define SSL_CTRL_GET_GROUPS 90
1290	# define SSL_CTRL_SET_GROUPS 91
1291	# define SSL_CTRL_SET_GROUPS_LIST 92
1292	# define SSL_CTRL_GET_SHARED_GROUP 93
1293	# define SSL_CTRL_SET_SIGALGS 97
1294	# define SSL_CTRL_SET_SIGALGS_LIST 98
1295	# define SSL_CTRL_CERT_FLAGS 99
1296	# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1297	# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1298	# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1299	# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1300	# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1301	# define SSL_CTRL_BUILD_CERT_CHAIN 105
1302	# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1303	# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1304	# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1305	# define SSL_CTRL_GET_PEER_TMP_KEY 109
1306	# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1307	# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1308	# define SSL_CTRL_GET_CHAIN_CERTS 115
1309	# define SSL_CTRL_SELECT_CURRENT_CERT 116
1310	# define SSL_CTRL_SET_CURRENT_CERT 117
1311	# define SSL_CTRL_SET_DH_AUTO 118
1312	# define DTLS_CTRL_SET_LINK_MTU 120
1313	# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1314	# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1315	# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1316	# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1317	# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1318	# define SSL_CTRL_SET_MAX_PIPELINES 126
1319	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1320	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1321	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1322	# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1323	# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1324	# define SSL_CTRL_GET_SIGNATURE_NID 132
1325	# define SSL_CTRL_GET_TMP_KEY 133
1326	# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1327	# define SSL_CERT_SET_FIRST 1
1328	# define SSL_CERT_SET_NEXT 2
1329	# define SSL_CERT_SET_SERVER 3
1330	# define DTLSv1_get_timeout(ssl, arg) \
1331	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1332	# define DTLSv1_handle_timeout(ssl) \
1333	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1334	# define SSL_num_renegotiations(ssl) \
1335	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1336	# define SSL_clear_num_renegotiations(ssl) \
1337	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1338	# define SSL_total_renegotiations(ssl) \
1339	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1340	# define SSL_CTX_set_tmp_dh(ctx,dh) \
1341	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1342	# define SSL_CTX_set_dh_auto(ctx, onoff) \
1343	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1344	# define SSL_set_dh_auto(s, onoff) \
1345	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1346	# define SSL_set_tmp_dh(ssl,dh) \
1347	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1348	# ifndef OPENSSL_NO_DEPRECATED_3_0
1349	# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1350	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1351	# define SSL_set_tmp_ecdh(ssl,ecdh) \
1352	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1353	# endif
1354	# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1355	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1356	# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1357	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1358	# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1359	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1360	# define SSL_CTX_clear_extra_chain_certs(ctx) \
1361	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1362	# define SSL_CTX_set0_chain(ctx,sk) \
1363	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1364	# define SSL_CTX_set1_chain(ctx,sk) \
1365	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1366	# define SSL_CTX_add0_chain_cert(ctx,x509) \
1367	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1368	# define SSL_CTX_add1_chain_cert(ctx,x509) \
1369	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1370	# define SSL_CTX_get0_chain_certs(ctx,px509) \
1371	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1372	# define SSL_CTX_clear_chain_certs(ctx) \
1373	SSL_CTX_set0_chain(ctx,NULL)
1374	# define SSL_CTX_build_cert_chain(ctx, flags) \
1375	SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1376	# define SSL_CTX_select_current_cert(ctx,x509) \
1377	SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1378	# define SSL_CTX_set_current_cert(ctx, op) \
1379	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1380	# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1381	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1382	# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1383	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1384	# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1385	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1386	# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1387	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1388	# define SSL_set0_chain(s,sk) \
1389	SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1390	# define SSL_set1_chain(s,sk) \
1391	SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1392	# define SSL_add0_chain_cert(s,x509) \
1393	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1394	# define SSL_add1_chain_cert(s,x509) \
1395	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1396	# define SSL_get0_chain_certs(s,px509) \
1397	SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1398	# define SSL_clear_chain_certs(s) \
1399	SSL_set0_chain(s,NULL)
1400	# define SSL_build_cert_chain(s, flags) \
1401	SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1402	# define SSL_select_current_cert(s,x509) \
1403	SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1404	# define SSL_set_current_cert(s,op) \
1405	SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1406	# define SSL_set0_verify_cert_store(s,st) \
1407	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1408	# define SSL_set1_verify_cert_store(s,st) \
1409	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1410	# define SSL_set0_chain_cert_store(s,st) \
1411	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1412	# define SSL_set1_chain_cert_store(s,st) \
1413	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1414	# define SSL_get1_groups(s, glist) \
1415	SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1416	# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1417	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1418	# define SSL_CTX_set1_groups_list(ctx, s) \
1419	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1420	# define SSL_set1_groups(s, glist, glistlen) \
1421	SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1422	# define SSL_set1_groups_list(s, str) \
1423	SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1424	# define SSL_get_shared_group(s, n) \
1425	SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1426	# define SSL_get_negotiated_group(s) \
1427	SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1428	# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1429	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1430	# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1431	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1432	# define SSL_set1_sigalgs(s, slist, slistlen) \
1433	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1434	# define SSL_set1_sigalgs_list(s, str) \
1435	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1436	# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1437	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1438	# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1439	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1440	# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1441	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1442	# define SSL_set1_client_sigalgs_list(s, str) \
1443	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1444	# define SSL_get0_certificate_types(s, clist) \
1445	SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1446	# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1447	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1448	(char *)(clist))
1449	# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1450	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1451	# define SSL_get_signature_nid(s, pn) \
1452	SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1453	# define SSL_get_peer_signature_nid(s, pn) \
1454	SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1455	# define SSL_get_peer_tmp_key(s, pk) \
1456	SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1457	# define SSL_get_tmp_key(s, pk) \
1458	SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1459	# define SSL_get0_raw_cipherlist(s, plst) \
1460	SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1461	# define SSL_get0_ec_point_formats(s, plst) \
1462	SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1463	# define SSL_CTX_set_min_proto_version(ctx, version) \
1464	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1465	# define SSL_CTX_set_max_proto_version(ctx, version) \
1466	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1467	# define SSL_CTX_get_min_proto_version(ctx) \
1468	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1469	# define SSL_CTX_get_max_proto_version(ctx) \
1470	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1471	# define SSL_set_min_proto_version(s, version) \
1472	SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1473	# define SSL_set_max_proto_version(s, version) \
1474	SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1475	# define SSL_get_min_proto_version(s) \
1476	SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1477	# define SSL_get_max_proto_version(s) \
1478	SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1479
1480	/ Backwards compatibility, original 1.1.0 names /
1481	# define SSL_CTRL_GET_SERVER_TMP_KEY \
1482	SSL_CTRL_GET_PEER_TMP_KEY
1483	# define SSL_get_server_tmp_key(s, pk) \
1484	SSL_get_peer_tmp_key(s, pk)
1485
1486	/*
1487	* The following symbol names are old and obsolete. They are kept
1488	* for compatibility reasons only and should not be used anymore.
1489	*/
1490	# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1491	# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1492	# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1493	# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1494
1495	# define SSL_get1_curves SSL_get1_groups
1496	# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1497	# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1498	# define SSL_set1_curves SSL_set1_groups
1499	# define SSL_set1_curves_list SSL_set1_groups_list
1500	# define SSL_get_shared_curve SSL_get_shared_group
1501
1502
1503	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1504	/ Provide some compatibility macros for removed functionality. /
1505	# define SSL_CTX_need_tmp_RSA(ctx) 0
1506	# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1507	# define SSL_need_tmp_RSA(ssl) 0
1508	# define SSL_set_tmp_rsa(ssl,rsa) 1
1509	# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1510	# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1511	/*
1512	* We "pretend" to call the callback to avoid warnings about unused static
1513	* functions.
1514	*/
1515	# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1516	# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1517	# endif
1518	__owur const BIO_METHOD BIO_f_ssl(void*);
1519	__owur BIO BIO_new_ssl(SSL_CTX ctx, int client);
1520	__owur BIO BIO_new_ssl_connect(SSL_CTX ctx);
1521	__owur BIO BIO_new_buffer_ssl_connect(SSL_CTX ctx);
1522	__owur int BIO_ssl_copy_session_id(BIO to, BIO from);
1523	void BIO_ssl_shutdown(BIO *ssl_bio);
1524
1525	__owur int SSL_CTX_set_cipher_list(SSL_CTX , const* char *str);
1526	__owur SSL_CTX SSL_CTX_new(const* SSL_METHOD *meth);
1527	int SSL_CTX_up_ref(SSL_CTX *ctx);
1528	void SSL_CTX_free(SSL_CTX *);
1529	__owur long SSL_CTX_set_timeout(SSL_CTX ctx, long* t);
1530	__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1531	__owur X509_STORE SSL_CTX_get_cert_store(const* SSL_CTX *);
1532	void SSL_CTX_set_cert_store(SSL_CTX , X509_STORE );
1533	void SSL_CTX_set1_cert_store(SSL_CTX , X509_STORE );
1534	__owur int SSL_want(const SSL *s);
1535	__owur int SSL_clear(SSL *s);
1536
1537	void SSL_CTX_flush_sessions(SSL_CTX ctx, long* tm);
1538
1539	__owur const SSL_CIPHER SSL_get_current_cipher(const* SSL *s);
1540	__owur const SSL_CIPHER SSL_get_pending_cipher(const* SSL *s);
1541	__owur int SSL_CIPHER_get_bits(const SSL_CIPHER c, int* *alg_bits);
1542	__owur const char SSL_CIPHER_get_version(const* SSL_CIPHER *c);
1543	__owur const char SSL_CIPHER_get_name(const* SSL_CIPHER *c);
1544	__owur const char SSL_CIPHER_standard_name(const* SSL_CIPHER *c);
1545	__owur const char OPENSSL_cipher_name(const* char *rfc_name);
1546	__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1547	__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1548	__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1549	__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1550	__owur const EVP_MD SSL_CIPHER_get_handshake_digest(const* SSL_CIPHER *c);
1551	__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1552
1553	__owur int SSL_get_fd(const SSL *s);
1554	__owur int SSL_get_rfd(const SSL *s);
1555	__owur int SSL_get_wfd(const SSL *s);
1556	__owur const char SSL_get_cipher_list(const* SSL s, int* n);
1557	__owur char SSL_get_shared_ciphers(const* SSL s, char* buf, int* size);
1558	__owur int SSL_get_read_ahead(const SSL *s);
1559	__owur int SSL_pending(const SSL *s);
1560	__owur int SSL_has_pending(const SSL *s);
1561	# ifndef OPENSSL_NO_SOCK
1562	__owur int SSL_set_fd(SSL s, int* fd);
1563	__owur int SSL_set_rfd(SSL s, int* fd);
1564	__owur int SSL_set_wfd(SSL s, int* fd);
1565	# endif
1566	void SSL_set0_rbio(SSL s, BIO rbio);
1567	void SSL_set0_wbio(SSL s, BIO wbio);
1568	void SSL_set_bio(SSL s, BIO rbio, BIO *wbio);
1569	__owur BIO SSL_get_rbio(const* SSL *s);
1570	__owur BIO SSL_get_wbio(const* SSL *s);
1571	__owur int SSL_set_cipher_list(SSL s, const* char *str);
1572	__owur int SSL_CTX_set_ciphersuites(SSL_CTX ctx, const* char *str);
1573	__owur int SSL_set_ciphersuites(SSL s, const* char *str);
1574	void SSL_set_read_ahead(SSL s, int* yes);
1575	__owur int SSL_get_verify_mode(const SSL *s);
1576	__owur int SSL_get_verify_depth(const SSL *s);
1577	__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1578	void SSL_set_verify(SSL s, int* mode, SSL_verify_cb callback);
1579	void SSL_set_verify_depth(SSL s, int* depth);
1580	void SSL_set_cert_cb(SSL s, int* (cb) (SSL ssl, void arg), void* *arg);
1581	# ifndef OPENSSL_NO_RSA
1582	__owur int SSL_use_RSAPrivateKey(SSL ssl, RSA rsa);
1583	__owur int SSL_use_RSAPrivateKey_ASN1(SSL ssl, const* unsigned char *d,
1584	long len);
1585	# endif
1586	__owur int SSL_use_PrivateKey(SSL ssl, EVP_PKEY pkey);
1587	__owur int SSL_use_PrivateKey_ASN1(int pk, SSL ssl, const* unsigned char *d,
1588	long len);
1589	__owur int SSL_use_certificate(SSL ssl, X509 x);
1590	__owur int SSL_use_certificate_ASN1(SSL ssl, const* unsigned char d, int* len);
1591	__owur int SSL_use_cert_and_key(SSL ssl, X509 x509, EVP_PKEY *privatekey,
1592	STACK_OF(X509) chain, int* override);
1593
1594
1595	/ serverinfo file format versions /
1596	# define SSL_SERVERINFOV1 1
1597	# define SSL_SERVERINFOV2 2
1598
1599	/ Set serverinfo data for the current active cert. /
1600	__owur int SSL_CTX_use_serverinfo(SSL_CTX ctx, const* unsigned char *serverinfo,
1601	size_t serverinfo_length);
1602	__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX ctx, unsigned* int version,
1603	const unsigned char *serverinfo,
1604	size_t serverinfo_length);
1605	__owur int SSL_CTX_use_serverinfo_file(SSL_CTX ctx, const* char *file);
1606
1607	#ifndef OPENSSL_NO_RSA
1608	__owur int SSL_use_RSAPrivateKey_file(SSL ssl, const* char file, int* type);
1609	#endif
1610
1611	__owur int SSL_use_PrivateKey_file(SSL ssl, const* char file, int* type);
1612	__owur int SSL_use_certificate_file(SSL ssl, const* char file, int* type);
1613
1614	#ifndef OPENSSL_NO_RSA
1615	__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX ctx, const* char *file,
1616	int type);
1617	#endif
1618	__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX ctx, const* char *file,
1619	int type);
1620	__owur int SSL_CTX_use_certificate_file(SSL_CTX ctx, const* char *file,
1621	int type);
1622	/ PEM type /
1623	__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX ctx, const* char *file);
1624	__owur int SSL_use_certificate_chain_file(SSL ssl, const* char *file);
1625	__owur STACK_OF(X509_NAME) SSL_load_client_CA_file(const* char *file);
1626	__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1627	const char *file);
1628	int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1629	const char *dir);
1630	int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1631	const char *uri);
1632
1633	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1634	# define SSL_load_error_strings() \
1635	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1636	\| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1637	# endif
1638
1639	__owur const char SSL_state_string(const* SSL *s);
1640	__owur const char SSL_rstate_string(const* SSL *s);
1641	__owur const char SSL_state_string_long(const* SSL *s);
1642	__owur const char SSL_rstate_string_long(const* SSL *s);
1643	__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1644	__owur long SSL_SESSION_set_time(SSL_SESSION s, long* t);
1645	__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1646	__owur long SSL_SESSION_set_timeout(SSL_SESSION s, long* t);
1647	__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1648	__owur int SSL_SESSION_set_protocol_version(SSL_SESSION s, int* version);
1649
1650	__owur const char SSL_SESSION_get0_hostname(const* SSL_SESSION *s);
1651	__owur int SSL_SESSION_set1_hostname(SSL_SESSION s, const* char *hostname);
1652	void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1653	const unsigned char **alpn,
1654	size_t *len);
1655	__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1656	const unsigned char *alpn,
1657	size_t len);
1658	__owur const SSL_CIPHER SSL_SESSION_get0_cipher(const* SSL_SESSION *s);
1659	__owur int SSL_SESSION_set_cipher(SSL_SESSION s, const* SSL_CIPHER *cipher);
1660	__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1661	__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1662	void SSL_SESSION_get0_ticket(const SSL_SESSION s, const* unsigned char **tick,
1663	size_t *len);
1664	__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1665	__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1666	uint32_t max_early_data);
1667	__owur int SSL_copy_session_id(SSL to, const* SSL *from);
1668	__owur X509 SSL_SESSION_get0_peer(SSL_SESSION s);
1669	__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1670	const unsigned char *sid_ctx,
1671	unsigned int sid_ctx_len);
1672	__owur int SSL_SESSION_set1_id(SSL_SESSION s, const* unsigned char *sid,
1673	unsigned int sid_len);
1674	__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1675
1676	__owur SSL_SESSION SSL_SESSION_new(void*);
1677	__owur SSL_SESSION SSL_SESSION_dup(const* SSL_SESSION *src);
1678	const unsigned char SSL_SESSION_get_id(const* SSL_SESSION *s,
1679	unsigned int *len);
1680	const unsigned char SSL_SESSION_get0_id_context(const* SSL_SESSION *s,
1681	unsigned int *len);
1682	__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1683	# ifndef OPENSSL_NO_STDIO
1684	int SSL_SESSION_print_fp(FILE fp, const* SSL_SESSION *ses);
1685	# endif
1686	int SSL_SESSION_print(BIO fp, const* SSL_SESSION *ses);
1687	int SSL_SESSION_print_keylog(BIO bp, const* SSL_SESSION *x);
1688	int SSL_SESSION_up_ref(SSL_SESSION *ses);
1689	void SSL_SESSION_free(SSL_SESSION *ses);
1690	__owur int i2d_SSL_SESSION(const SSL_SESSION in, unsigned* char **pp);
1691	__owur int SSL_set_session(SSL to, SSL_SESSION session);
1692	int SSL_CTX_add_session(SSL_CTX ctx, SSL_SESSION session);
1693	int SSL_CTX_remove_session(SSL_CTX ctx, SSL_SESSION session);
1694	__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1695	__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1696	__owur int SSL_has_matching_session_id(const SSL *s,
1697	const unsigned char *id,
1698	unsigned int id_len);
1699	SSL_SESSION d2i_SSL_SESSION(SSL_SESSION a, const* unsigned char **pp,
1700	long length);
1701
1702	# ifdef OPENSSL_X509_H
1703	__owur X509 SSL_get_peer_certificate(const* SSL *s);
1704	# endif
1705
1706	__owur STACK_OF(X509) SSL_get_peer_cert_chain(const* SSL *s);
1707
1708	__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1709	__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1710	__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1711	void SSL_CTX_set_verify(SSL_CTX ctx, int* mode, SSL_verify_cb callback);
1712	void SSL_CTX_set_verify_depth(SSL_CTX ctx, int* depth);
1713	void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1714	int (cb) (X509_STORE_CTX , void *),
1715	void *arg);
1716	void SSL_CTX_set_cert_cb(SSL_CTX c, int* (cb) (SSL ssl, void *arg),
1717	void *arg);
1718	# ifndef OPENSSL_NO_RSA
1719	__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX ctx, RSA rsa);
1720	__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX ctx, const* unsigned char *d,
1721	long len);
1722	# endif
1723	__owur int SSL_CTX_use_PrivateKey(SSL_CTX ctx, EVP_PKEY pkey);
1724	__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1725	const unsigned char d, long* len);
1726	__owur int SSL_CTX_use_certificate(SSL_CTX ctx, X509 x);
1727	__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX ctx, int* len,
1728	const unsigned char *d);
1729	__owur int SSL_CTX_use_cert_and_key(SSL_CTX ctx, X509 x509, EVP_PKEY *privatekey,
1730	STACK_OF(X509) chain, int* override);
1731
1732	void SSL_CTX_set_default_passwd_cb(SSL_CTX ctx, pem_password_cb cb);
1733	void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX ctx, void* *u);
1734	pem_password_cb SSL_CTX_get_default_passwd_cb(SSL_CTX ctx);
1735	void SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX ctx);
1736	void SSL_set_default_passwd_cb(SSL s, pem_password_cb cb);
1737	void SSL_set_default_passwd_cb_userdata(SSL s, void* *u);
1738	pem_password_cb SSL_get_default_passwd_cb(SSL s);
1739	void SSL_get_default_passwd_cb_userdata(SSL s);
1740
1741	__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1742	__owur int SSL_check_private_key(const SSL *ctx);
1743
1744	__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1745	const unsigned char *sid_ctx,
1746	unsigned int sid_ctx_len);
1747
1748	SSL SSL_new(SSL_CTX ctx);
1749	int SSL_up_ref(SSL *s);
1750	int SSL_is_dtls(const SSL *s);
1751	__owur int SSL_set_session_id_context(SSL ssl, const* unsigned char *sid_ctx,
1752	unsigned int sid_ctx_len);
1753
1754	__owur int SSL_CTX_set_purpose(SSL_CTX ctx, int* purpose);
1755	__owur int SSL_set_purpose(SSL ssl, int* purpose);
1756	__owur int SSL_CTX_set_trust(SSL_CTX ctx, int* trust);
1757	__owur int SSL_set_trust(SSL ssl, int* trust);
1758
1759	__owur int SSL_set1_host(SSL s, const* char *hostname);
1760	__owur int SSL_add1_host(SSL s, const* char *hostname);
1761	__owur const char SSL_get0_peername(SSL s);
1762	void SSL_set_hostflags(SSL s, unsigned* int flags);
1763
1764	__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1765	__owur int SSL_CTX_dane_mtype_set(SSL_CTX ctx, const* EVP_MD *md,
1766	uint8_t mtype, uint8_t ord);
1767	__owur int SSL_dane_enable(SSL s, const* char *basedomain);
1768	__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1769	uint8_t mtype, unsigned const char *data, size_t dlen);
1770	__owur int SSL_get0_dane_authority(SSL s, X509 mcert, EVP_PKEY *mspki);
1771	__owur int SSL_get0_dane_tlsa(SSL s, uint8_t usage, uint8_t *selector,
1772	uint8_t mtype, unsigned* const char **data,
1773	size_t *dlen);
1774	/*
1775	* Bridge opacity barrier between libcrypt and libssl, also needed to support
1776	* offline testing in test/danetest.c
1777	*/
1778	SSL_DANE SSL_get0_dane(SSL ssl);
1779	/*
1780	* DANE flags
1781	*/
1782	unsigned long SSL_CTX_dane_set_flags(SSL_CTX ctx, unsigned* long flags);
1783	unsigned long SSL_CTX_dane_clear_flags(SSL_CTX ctx, unsigned* long flags);
1784	unsigned long SSL_dane_set_flags(SSL ssl, unsigned* long flags);
1785	unsigned long SSL_dane_clear_flags(SSL ssl, unsigned* long flags);
1786
1787	__owur int SSL_CTX_set1_param(SSL_CTX ctx, X509_VERIFY_PARAM vpm);
1788	__owur int SSL_set1_param(SSL ssl, X509_VERIFY_PARAM vpm);
1789
1790	__owur X509_VERIFY_PARAM SSL_CTX_get0_param(SSL_CTX ctx);
1791	__owur X509_VERIFY_PARAM SSL_get0_param(SSL ssl);
1792
1793	# ifndef OPENSSL_NO_SRP
1794	int SSL_CTX_set_srp_username(SSL_CTX ctx, char* *name);
1795	int SSL_CTX_set_srp_password(SSL_CTX ctx, char* *password);
1796	int SSL_CTX_set_srp_strength(SSL_CTX ctx, int* strength);
1797	int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1798	char (cb) (SSL , void* *));
1799	int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1800	int (cb) (SSL , void *));
1801	int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1802	int (cb) (SSL , int , void* *));
1803	int SSL_CTX_set_srp_cb_arg(SSL_CTX ctx, void* *arg);
1804
1805	int SSL_set_srp_server_param(SSL s, const* BIGNUM N, const* BIGNUM *g,
1806	BIGNUM sa, BIGNUM v, char *info);
1807	int SSL_set_srp_server_param_pw(SSL s, const* char user, const* char *pass,
1808	const char *grp);
1809
1810	__owur BIGNUM SSL_get_srp_g(SSL s);
1811	__owur BIGNUM SSL_get_srp_N(SSL s);
1812
1813	__owur char SSL_get_srp_username(SSL s);
1814	__owur char SSL_get_srp_userinfo(SSL s);
1815	# endif
1816
1817	/*
1818	* ClientHello callback and helpers.
1819	*/
1820
1821	# define SSL_CLIENT_HELLO_SUCCESS 1
1822	# define SSL_CLIENT_HELLO_ERROR 0
1823	# define SSL_CLIENT_HELLO_RETRY (-1)
1824
1825	typedef int (SSL_client_hello_cb_fn) (SSL s, int al, void* *arg);
1826	void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1827	void *arg);
1828	int SSL_client_hello_isv2(SSL *s);
1829	unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1830	size_t SSL_client_hello_get0_random(SSL s, const* unsigned char **out);
1831	size_t SSL_client_hello_get0_session_id(SSL s, const* unsigned char **out);
1832	size_t SSL_client_hello_get0_ciphers(SSL s, const* unsigned char **out);
1833	size_t SSL_client_hello_get0_compression_methods(SSL *s,
1834	const unsigned char **out);
1835	int SSL_client_hello_get1_extensions_present(SSL s, int* *out, size_t outlen);
1836	int SSL_client_hello_get0_ext(SSL s, unsigned* int type,
1837	const unsigned char *out, size_t outlen);
1838
1839	void SSL_certs_clear(SSL *s);
1840	void SSL_free(SSL *ssl);
1841	# ifdef OSSL_ASYNC_FD
1842	/*
1843	* Windows application developer has to include windows.h to use these.
1844	*/
1845	__owur int SSL_waiting_for_async(SSL *s);
1846	__owur int SSL_get_all_async_fds(SSL s, OSSL_ASYNC_FD fds, size_t *numfds);
1847	__owur int SSL_get_changed_async_fds(SSL s, OSSL_ASYNC_FD addfd,
1848	size_t numaddfds, OSSL_ASYNC_FD delfd,
1849	size_t *numdelfds);
1850	__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1851	__owur int SSL_CTX_set_async_callback_arg(SSL_CTX ctx, void* *arg);
1852	__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1853	__owur int SSL_set_async_callback_arg(SSL s, void* *arg);
1854	__owur int SSL_get_async_status(SSL s, int* *status);
1855
1856	# endif
1857	__owur int SSL_accept(SSL *ssl);
1858	__owur int SSL_stateless(SSL *s);
1859	__owur int SSL_connect(SSL *ssl);
1860	__owur int SSL_read(SSL ssl, void* buf, int* num);
1861	__owur int SSL_read_ex(SSL ssl, void* buf, size_t num, size_t readbytes);
1862
1863	# define SSL_READ_EARLY_DATA_ERROR 0
1864	# define SSL_READ_EARLY_DATA_SUCCESS 1
1865	# define SSL_READ_EARLY_DATA_FINISH 2
1866
1867	__owur int SSL_read_early_data(SSL s, void* *buf, size_t num,
1868	size_t *readbytes);
1869	__owur int SSL_peek(SSL ssl, void* buf, int* num);
1870	__owur int SSL_peek_ex(SSL ssl, void* buf, size_t num, size_t readbytes);
1871	__owur ossl_ssize_t SSL_sendfile(SSL s, int* fd, off_t offset, size_t size,
1872	int flags);
1873	__owur int SSL_write(SSL ssl, const* void buf, int* num);
1874	__owur int SSL_write_ex(SSL s, const* void buf, size_t num, size_t written);
1875	__owur int SSL_write_early_data(SSL s, const* void *buf, size_t num,
1876	size_t *written);
1877	long SSL_ctrl(SSL ssl, int* cmd, long larg, void *parg);
1878	long SSL_callback_ctrl(SSL , int, void* ()(void*));
1879	long SSL_CTX_ctrl(SSL_CTX ctx, int* cmd, long larg, void *parg);
1880	long SSL_CTX_callback_ctrl(SSL_CTX , int, void* ()(void*));
1881
1882	# define SSL_EARLY_DATA_NOT_SENT 0
1883	# define SSL_EARLY_DATA_REJECTED 1
1884	# define SSL_EARLY_DATA_ACCEPTED 2
1885
1886	__owur int SSL_get_early_data_status(const SSL *s);
1887
1888	__owur int SSL_get_error(const SSL s, int* ret_code);
1889	__owur const char SSL_get_version(const* SSL *s);
1890
1891	/ This sets the 'default' SSL version that SSL_new() will create /
1892	__owur int SSL_CTX_set_ssl_version(SSL_CTX ctx, const* SSL_METHOD *meth);
1893
1894	# ifndef OPENSSL_NO_SSL3_METHOD
1895	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_method(void)) /* SSLv3 /
1896	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_server_method(void*))
1897	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD SSLv3_client_method(void*))
1898	# endif
1899
1900	#define SSLv23_method TLS_method
1901	#define SSLv23_server_method TLS_server_method
1902	#define SSLv23_client_method TLS_client_method
1903
1904	/ Negotiate highest available SSL/TLS version /
1905	__owur const SSL_METHOD TLS_method(void*);
1906	__owur const SSL_METHOD TLS_server_method(void*);
1907	__owur const SSL_METHOD TLS_client_method(void*);
1908
1909	# ifndef OPENSSL_NO_TLS1_METHOD
1910	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_method(void)) /* TLSv1.0 /
1911	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_server_method(void*))
1912	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_client_method(void*))
1913	# endif
1914
1915	# ifndef OPENSSL_NO_TLS1_1_METHOD
1916	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_method(void)) /* TLSv1.1 /
1917	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_server_method(void*))
1918	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_1_client_method(void*))
1919	# endif
1920
1921	# ifndef OPENSSL_NO_TLS1_2_METHOD
1922	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_method(void)) /* TLSv1.2 /
1923	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_server_method(void*))
1924	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD TLSv1_2_client_method(void*))
1925	# endif
1926
1927	# ifndef OPENSSL_NO_DTLS1_METHOD
1928	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_method(void)) /* DTLSv1.0 /
1929	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_server_method(void*))
1930	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_client_method(void*))
1931	# endif
1932
1933	# ifndef OPENSSL_NO_DTLS1_2_METHOD
1934	/ DTLSv1.2 /
1935	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_method(void*))
1936	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_server_method(void*))
1937	DEPRECATEDIN_1_1_0(__owur const SSL_METHOD DTLSv1_2_client_method(void*))
1938	# endif
1939
1940	__owur const SSL_METHOD DTLS_method(void); /* DTLS 1.0 and 1.2 /
1941	__owur const SSL_METHOD DTLS_server_method(void); /* DTLS 1.0 and 1.2 /
1942	__owur const SSL_METHOD DTLS_client_method(void); /* DTLS 1.0 and 1.2 /
1943
1944	__owur size_t DTLS_get_data_mtu(const SSL *s);
1945
1946	__owur STACK_OF(SSL_CIPHER) SSL_get_ciphers(const* SSL *s);
1947	__owur STACK_OF(SSL_CIPHER) SSL_CTX_get_ciphers(const* SSL_CTX *ctx);
1948	__owur STACK_OF(SSL_CIPHER) SSL_get_client_ciphers(const* SSL *s);
1949	__owur STACK_OF(SSL_CIPHER) SSL_get1_supported_ciphers(SSL s);
1950
1951	__owur int SSL_do_handshake(SSL *s);
1952	int SSL_key_update(SSL s, int* updatetype);
1953	int SSL_get_key_update_type(const SSL *s);
1954	int SSL_renegotiate(SSL *s);
1955	int SSL_renegotiate_abbreviated(SSL *s);
1956	__owur int SSL_renegotiate_pending(const SSL *s);
1957	int SSL_shutdown(SSL *s);
1958	__owur int SSL_verify_client_post_handshake(SSL *s);
1959	void SSL_CTX_set_post_handshake_auth(SSL_CTX ctx, int* val);
1960	void SSL_set_post_handshake_auth(SSL s, int* val);
1961
1962	__owur const SSL_METHOD SSL_CTX_get_ssl_method(const* SSL_CTX *ctx);
1963	__owur const SSL_METHOD SSL_get_ssl_method(const* SSL *s);
1964	__owur int SSL_set_ssl_method(SSL s, const* SSL_METHOD *method);
1965	__owur const char SSL_alert_type_string_long(int* value);
1966	__owur const char SSL_alert_type_string(int* value);
1967	__owur const char SSL_alert_desc_string_long(int* value);
1968	__owur const char SSL_alert_desc_string(int* value);
1969
1970	void SSL_set0_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
1971	void SSL_CTX_set0_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
1972	__owur const STACK_OF(X509_NAME) SSL_get0_CA_list(const* SSL *s);
1973	__owur const STACK_OF(X509_NAME) SSL_CTX_get0_CA_list(const* SSL_CTX *ctx);
1974	__owur int SSL_add1_to_CA_list(SSL ssl, const* X509 *x);
1975	__owur int SSL_CTX_add1_to_CA_list(SSL_CTX ctx, const* X509 *x);
1976	__owur const STACK_OF(X509_NAME) SSL_get0_peer_CA_list(const* SSL *s);
1977
1978	void SSL_set_client_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
1979	void SSL_CTX_set_client_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
1980	__owur STACK_OF(X509_NAME) SSL_get_client_CA_list(const* SSL *s);
1981	__owur STACK_OF(X509_NAME) SSL_CTX_get_client_CA_list(const* SSL_CTX *s);
1982	__owur int SSL_add_client_CA(SSL ssl, X509 x);
1983	__owur int SSL_CTX_add_client_CA(SSL_CTX ctx, X509 x);
1984
1985	void SSL_set_connect_state(SSL *s);
1986	void SSL_set_accept_state(SSL *s);
1987
1988	__owur long SSL_get_default_timeout(const SSL *s);
1989
1990	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1991	# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1992	# endif
1993
1994	__owur char SSL_CIPHER_description(const* SSL_CIPHER , char* buf, int* size);
1995	__owur STACK_OF(X509_NAME) SSL_dup_CA_list(const* STACK_OF(X509_NAME) *sk);
1996
1997	__owur SSL SSL_dup(SSL ssl);
1998
1999	__owur X509 SSL_get_certificate(const* SSL *ssl);
2000	/*
2001	* EVP_PKEY
2002	*/
2003	struct evp_pkey_st SSL_get_privatekey(const* SSL *ssl);
2004
2005	__owur X509 SSL_CTX_get0_certificate(const* SSL_CTX *ctx);
2006	__owur EVP_PKEY SSL_CTX_get0_privatekey(const* SSL_CTX *ctx);
2007
2008	void SSL_CTX_set_quiet_shutdown(SSL_CTX ctx, int* mode);
2009	__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2010	void SSL_set_quiet_shutdown(SSL ssl, int* mode);
2011	__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2012	void SSL_set_shutdown(SSL ssl, int* mode);
2013	__owur int SSL_get_shutdown(const SSL *ssl);
2014	__owur int SSL_version(const SSL *ssl);
2015	__owur int SSL_client_version(const SSL *s);
2016	__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2017	__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2018	__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2019	__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2020	__owur int SSL_CTX_load_verify_file(SSL_CTX ctx, const* char *CAfile);
2021	__owur int SSL_CTX_load_verify_dir(SSL_CTX ctx, const* char *CApath);
2022	__owur int SSL_CTX_load_verify_store(SSL_CTX ctx, const* char *CAstore);
2023	DEPRECATEDIN_3_0(__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2024	const char *CAfile,
2025	const char *CApath))
2026	# define SSL_get0_session SSL_get_session/* just peek at pointer */
2027	__owur SSL_SESSION SSL_get_session(const* SSL *ssl);
2028	__owur SSL_SESSION SSL_get1_session(SSL ssl); / obtain a reference count /
2029	__owur SSL_CTX SSL_get_SSL_CTX(const* SSL *ssl);
2030	SSL_CTX SSL_set_SSL_CTX(SSL ssl, SSL_CTX *ctx);
2031	void SSL_set_info_callback(SSL *ssl,
2032	void (cb) (const* SSL ssl, int* type, int val));
2033	void (SSL_get_info_callback(const* SSL ssl)) (const* SSL ssl, int* type,
2034	int val);
2035	__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2036
2037	void SSL_set_verify_result(SSL ssl, long* v);
2038	__owur long SSL_get_verify_result(const SSL *ssl);
2039	__owur STACK_OF(X509) SSL_get0_verified_chain(const* SSL *s);
2040
2041	__owur size_t SSL_get_client_random(const SSL ssl, unsigned* char *out,
2042	size_t outlen);
2043	__owur size_t SSL_get_server_random(const SSL ssl, unsigned* char *out,
2044	size_t outlen);
2045	__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2046	unsigned char *out, size_t outlen);
2047	__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2048	const unsigned char *in, size_t len);
2049	uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2050
2051	#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2052	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2053	__owur int SSL_set_ex_data(SSL ssl, int* idx, void *data);
2054	void SSL_get_ex_data(const* SSL ssl, int* idx);
2055	#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2056	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2057	__owur int SSL_SESSION_set_ex_data(SSL_SESSION ss, int* idx, void *data);
2058	void SSL_SESSION_get_ex_data(const* SSL_SESSION ss, int* idx);
2059	#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2060	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2061	__owur int SSL_CTX_set_ex_data(SSL_CTX ssl, int* idx, void *data);
2062	void SSL_CTX_get_ex_data(const* SSL_CTX ssl, int* idx);
2063
2064	__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2065
2066	# define SSL_CTX_sess_set_cache_size(ctx,t) \
2067	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2068	# define SSL_CTX_sess_get_cache_size(ctx) \
2069	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2070	# define SSL_CTX_set_session_cache_mode(ctx,m) \
2071	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2072	# define SSL_CTX_get_session_cache_mode(ctx) \
2073	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2074
2075	# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2076	# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2077	# define SSL_CTX_get_read_ahead(ctx) \
2078	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2079	# define SSL_CTX_set_read_ahead(ctx,m) \
2080	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2081	# define SSL_CTX_get_max_cert_list(ctx) \
2082	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2083	# define SSL_CTX_set_max_cert_list(ctx,m) \
2084	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2085	# define SSL_get_max_cert_list(ssl) \
2086	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2087	# define SSL_set_max_cert_list(ssl,m) \
2088	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2089
2090	# define SSL_CTX_set_max_send_fragment(ctx,m) \
2091	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2092	# define SSL_set_max_send_fragment(ssl,m) \
2093	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2094	# define SSL_CTX_set_split_send_fragment(ctx,m) \
2095	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2096	# define SSL_set_split_send_fragment(ssl,m) \
2097	SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2098	# define SSL_CTX_set_max_pipelines(ctx,m) \
2099	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2100	# define SSL_set_max_pipelines(ssl,m) \
2101	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2102
2103	void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2104	void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2105
2106	# ifndef OPENSSL_NO_DH
2107	/ NB: the \|keylength\| is only applicable when is_export is true /
2108	void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2109	DH (dh) (SSL ssl, int* is_export,
2110	int keylength));
2111	void SSL_set_tmp_dh_callback(SSL *ssl,
2112	DH (dh) (SSL ssl, int* is_export,
2113	int keylength));
2114	# endif
2115
2116	__owur const COMP_METHOD SSL_get_current_compression(const* SSL *s);
2117	__owur const COMP_METHOD SSL_get_current_expansion(const* SSL *s);
2118	__owur const char SSL_COMP_get_name(const* COMP_METHOD *comp);
2119	__owur const char SSL_COMP_get0_name(const* SSL_COMP *comp);
2120	__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2121	STACK_OF(SSL_COMP) SSL_COMP_get_compression_methods(void*);
2122	__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2123	*meths);
2124	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2125	# define SSL_COMP_free_compression_methods() while(0) continue
2126	# endif
2127	__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2128
2129	const SSL_CIPHER SSL_CIPHER_find(SSL ssl, const unsigned char *ptr);
2130	int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2131	int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2132	int SSL_bytes_to_cipher_list(SSL s, const* unsigned char *bytes, size_t len,
2133	int isv2format, STACK_OF(SSL_CIPHER) **sk,
2134	STACK_OF(SSL_CIPHER) **scsvs);
2135
2136	/ TLS extensions functions /
2137	__owur int SSL_set_session_ticket_ext(SSL s, void* ext_data, int* ext_len);
2138
2139	__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2140	tls_session_ticket_ext_cb_fn cb,
2141	void *arg);
2142
2143	/ Pre-shared secret session resumption functions /
2144	__owur int SSL_set_session_secret_cb(SSL *s,
2145	tls_session_secret_cb_fn session_secret_cb,
2146	void *arg);
2147
2148	void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2149	int (cb) (SSL ssl,
2150	int
2151	is_forward_secure));
2152
2153	void SSL_set_not_resumable_session_callback(SSL *ssl,
2154	int (cb) (SSL ssl,
2155	int is_forward_secure));
2156
2157	void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2158	size_t (cb) (SSL ssl, int type,
2159	size_t len, void *arg));
2160	void SSL_CTX_set_record_padding_callback_arg(SSL_CTX ctx, void* *arg);
2161	void SSL_CTX_get_record_padding_callback_arg(const* SSL_CTX *ctx);
2162	int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2163
2164	void SSL_set_record_padding_callback(SSL *ssl,
2165	size_t (cb) (SSL ssl, int type,
2166	size_t len, void *arg));
2167	void SSL_set_record_padding_callback_arg(SSL ssl, void* *arg);
2168	void SSL_get_record_padding_callback_arg(const* SSL *ssl);
2169	int SSL_set_block_padding(SSL *ssl, size_t block_size);
2170
2171	int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2172	size_t SSL_get_num_tickets(const SSL *s);
2173	int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2174	size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2175
2176	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2177	# define SSL_cache_hit(s) SSL_session_reused(s)
2178	# endif
2179
2180	__owur int SSL_session_reused(const SSL *s);
2181	__owur int SSL_is_server(const SSL *s);
2182
2183	__owur __owur SSL_CONF_CTX SSL_CONF_CTX_new(void*);
2184	int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2185	void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2186	unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX cctx, unsigned* int flags);
2187	__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2188	unsigned int flags);
2189	__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX cctx, const* char *pre);
2190
2191	void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX cctx, SSL ssl);
2192	void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX cctx, SSL_CTX ctx);
2193
2194	__owur int SSL_CONF_cmd(SSL_CONF_CTX cctx, const* char cmd, const* char *value);
2195	__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX cctx, int* pargc, char* ***pargv);
2196	__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX cctx, const* char *cmd);
2197
2198	void SSL_add_ssl_module(void);
2199	int SSL_config(SSL s, const* char *name);
2200	int SSL_CTX_config(SSL_CTX ctx, const* char *name);
2201
2202	# ifndef OPENSSL_NO_SSL_TRACE
2203	void SSL_trace(int write_p, int version, int content_type,
2204	const void buf, size_t len, SSL ssl, void *arg);
2205	# endif
2206
2207	# ifndef OPENSSL_NO_SOCK
2208	int DTLSv1_listen(SSL s, BIO_ADDR client);
2209	# endif
2210
2211	# ifndef OPENSSL_NO_CT
2212
2213	/*
2214	* A callback for verifying that the received SCTs are sufficient.
2215	* Expected to return 1 if they are sufficient, otherwise 0.
2216	* May return a negative integer if an error occurs.
2217	* A connection should be aborted if the SCTs are deemed insufficient.
2218	*/
2219	typedef int (ssl_ct_validation_cb)(const* CT_POLICY_EVAL_CTX *ctx,
2220	const STACK_OF(SCT) scts, void* *arg);
2221
2222	/*
2223	* Sets a \|callback\| that is invoked upon receipt of ServerHelloDone to validate
2224	* the received SCTs.
2225	* If the callback returns a non-positive result, the connection is terminated.
2226	* Call this function before beginning a handshake.
2227	* If a NULL \|callback\| is provided, SCT validation is disabled.
2228	* \|arg\| is arbitrary userdata that will be passed to the callback whenever it
2229	* is invoked. Ownership of \|arg\| remains with the caller.
2230	*
2231	* NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2232	* will be requested.
2233	*/
2234	int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2235	void *arg);
2236	int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2237	ssl_ct_validation_cb callback,
2238	void *arg);
2239	#define SSL_disable_ct(s) \
2240	((void) SSL_set_validation_callback((s), NULL, NULL))
2241	#define SSL_CTX_disable_ct(ctx) \
2242	((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2243
2244	/*
2245	* The validation type enumerates the available behaviours of the built-in SSL
2246	* CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2247	* The underlying callback is a static function in libssl.
2248	*/
2249	enum {
2250	SSL_CT_VALIDATION_PERMISSIVE = `0`,
2251	SSL_CT_VALIDATION_STRICT
2252	};
2253
2254	/*
2255	* Enable CT by setting up a callback that implements one of the built-in
2256	* validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2257	* continues the handshake, the application can make appropriate decisions at
2258	* handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2259	* least one valid SCT, or else handshake termination will be requested. The
2260	* handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2261	*/
2262	int SSL_enable_ct(SSL s, int* validation_mode);
2263	int SSL_CTX_enable_ct(SSL_CTX ctx, int* validation_mode);
2264
2265	/*
2266	* Report whether a non-NULL callback is enabled.
2267	*/
2268	int SSL_ct_is_enabled(const SSL *s);
2269	int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2270
2271	/ Gets the SCTs received from a connection /
2272	const STACK_OF(SCT) SSL_get0_peer_scts(SSL s);
2273
2274	/*
2275	* Loads the CT log list from the default location.
2276	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2277	* the log information loaded from this file will be appended to the
2278	* CTLOG_STORE.
2279	* Returns 1 on success, 0 otherwise.
2280	*/
2281	int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2282
2283	/*
2284	* Loads the CT log list from the specified file path.
2285	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2286	* the log information loaded from this file will be appended to the
2287	* CTLOG_STORE.
2288	* Returns 1 on success, 0 otherwise.
2289	*/
2290	int SSL_CTX_set_ctlog_list_file(SSL_CTX ctx, const* char *path);
2291
2292	/*
2293	* Sets the CT log list used by all SSL connections created from this SSL_CTX.
2294	* Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2295	*/
2296	void SSL_CTX_set0_ctlog_store(SSL_CTX ctx, CTLOG_STORE logs);
2297
2298	/*
2299	* Gets the CT log list used by all SSL connections created from this SSL_CTX.
2300	* This will be NULL unless one of the following functions has been called:
2301	* - SSL_CTX_set_default_ctlog_list_file
2302	* - SSL_CTX_set_ctlog_list_file
2303	* - SSL_CTX_set_ctlog_store
2304	*/
2305	const CTLOG_STORE SSL_CTX_get0_ctlog_store(const* SSL_CTX *ctx);
2306
2307	# endif /* OPENSSL_NO_CT */
2308
2309	/ What the "other" parameter contains in security callback /
2310	/ Mask for type /
2311	# define SSL_SECOP_OTHER_TYPE 0xffff0000
2312	# define SSL_SECOP_OTHER_NONE 0
2313	# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2314	# define SSL_SECOP_OTHER_CURVE (2 << 16)
2315	# define SSL_SECOP_OTHER_DH (3 << 16)
2316	# define SSL_SECOP_OTHER_PKEY (4 << 16)
2317	# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2318	# define SSL_SECOP_OTHER_CERT (6 << 16)
2319
2320	/ Indicated operation refers to peer key or certificate /
2321	# define SSL_SECOP_PEER 0x1000
2322
2323	/ Values for "op" parameter in security callback /
2324
2325	/ Called to filter ciphers /
2326	/ Ciphers client supports /
2327	# define SSL_SECOP_CIPHER_SUPPORTED (1 \| SSL_SECOP_OTHER_CIPHER)
2328	/ Cipher shared by client/server /
2329	# define SSL_SECOP_CIPHER_SHARED (2 \| SSL_SECOP_OTHER_CIPHER)
2330	/ Sanity check of cipher server selects /
2331	# define SSL_SECOP_CIPHER_CHECK (3 \| SSL_SECOP_OTHER_CIPHER)
2332	/ Curves supported by client /
2333	# define SSL_SECOP_CURVE_SUPPORTED (4 \| SSL_SECOP_OTHER_CURVE)
2334	/ Curves shared by client/server /
2335	# define SSL_SECOP_CURVE_SHARED (5 \| SSL_SECOP_OTHER_CURVE)
2336	/ Sanity check of curve server selects /
2337	# define SSL_SECOP_CURVE_CHECK (6 \| SSL_SECOP_OTHER_CURVE)
2338	/ Temporary DH key /
2339	# define SSL_SECOP_TMP_DH (7 \| SSL_SECOP_OTHER_PKEY)
2340	/ SSL/TLS version /
2341	# define SSL_SECOP_VERSION (9 \| SSL_SECOP_OTHER_NONE)
2342	/ Session tickets /
2343	# define SSL_SECOP_TICKET (10 \| SSL_SECOP_OTHER_NONE)
2344	/ Supported signature algorithms sent to peer /
2345	# define SSL_SECOP_SIGALG_SUPPORTED (11 \| SSL_SECOP_OTHER_SIGALG)
2346	/ Shared signature algorithm /
2347	# define SSL_SECOP_SIGALG_SHARED (12 \| SSL_SECOP_OTHER_SIGALG)
2348	/ Sanity check signature algorithm allowed /
2349	# define SSL_SECOP_SIGALG_CHECK (13 \| SSL_SECOP_OTHER_SIGALG)
2350	/ Used to get mask of supported public key signature algorithms /
2351	# define SSL_SECOP_SIGALG_MASK (14 \| SSL_SECOP_OTHER_SIGALG)
2352	/ Use to see if compression is allowed /
2353	# define SSL_SECOP_COMPRESSION (15 \| SSL_SECOP_OTHER_NONE)
2354	/ EE key in certificate /
2355	# define SSL_SECOP_EE_KEY (16 \| SSL_SECOP_OTHER_CERT)
2356	/ CA key in certificate /
2357	# define SSL_SECOP_CA_KEY (17 \| SSL_SECOP_OTHER_CERT)
2358	/ CA digest algorithm in certificate /
2359	# define SSL_SECOP_CA_MD (18 \| SSL_SECOP_OTHER_CERT)
2360	/ Peer EE key in certificate /
2361	# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY \| SSL_SECOP_PEER)
2362	/ Peer CA key in certificate /
2363	# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY \| SSL_SECOP_PEER)
2364	/ Peer CA digest algorithm in certificate /
2365	# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD \| SSL_SECOP_PEER)
2366
2367	void SSL_set_security_level(SSL s, int* level);
2368	__owur int SSL_get_security_level(const SSL *s);
2369	void SSL_set_security_callback(SSL *s,
2370	int (cb) (const* SSL s, const* SSL_CTX *ctx,
2371	int op, int bits, int nid,
2372	void other, void* *ex));
2373	int (SSL_get_security_callback(const* SSL s)) (const* SSL *s,
2374	const SSL_CTX ctx, int* op,
2375	int bits, int nid, void *other,
2376	void *ex);
2377	void SSL_set0_security_ex_data(SSL s, void* *ex);
2378	__owur void SSL_get0_security_ex_data(const* SSL *s);
2379
2380	void SSL_CTX_set_security_level(SSL_CTX ctx, int* level);
2381	__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2382	void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2383	int (cb) (const* SSL s, const* SSL_CTX *ctx,
2384	int op, int bits, int nid,
2385	void other, void* *ex));
2386	int (SSL_CTX_get_security_callback(const* SSL_CTX ctx)) (const* SSL *s,
2387	const SSL_CTX *ctx,
2388	int op, int bits,
2389	int nid,
2390	void *other,
2391	void *ex);
2392	void SSL_CTX_set0_security_ex_data(SSL_CTX ctx, void* *ex);
2393	__owur void SSL_CTX_get0_security_ex_data(const* SSL_CTX *ctx);
2394
2395	/ OPENSSL_INIT flag 0x010000 reserved for internal use /
2396	# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2397	# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2398
2399	# define OPENSSL_INIT_SSL_DEFAULT \
2400	(OPENSSL_INIT_LOAD_SSL_STRINGS \| OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2401
2402	int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2403
2404	# ifndef OPENSSL_NO_UNIT_TEST
2405	__owur const struct openssl_ssl_test_functions SSL_test_functions(void*);
2406	# endif
2407
2408	__owur int SSL_free_buffers(SSL *ssl);
2409	__owur int SSL_alloc_buffers(SSL *ssl);
2410
2411	/ Status codes passed to the decrypt session ticket callback. Some of these*
2412	* are for internal use only and are never passed to the callback. */
2413	typedef int SSL_TICKET_STATUS;
2414
2415	/ Support for ticket appdata /
2416	/ fatal error, malloc failure /
2417	# define SSL_TICKET_FATAL_ERR_MALLOC 0
2418	/ fatal error, either from parsing or decrypting the ticket /
2419	# define SSL_TICKET_FATAL_ERR_OTHER 1
2420	/ No ticket present /
2421	# define SSL_TICKET_NONE 2
2422	/ Empty ticket present /
2423	# define SSL_TICKET_EMPTY 3
2424	/ the ticket couldn't be decrypted /
2425	# define SSL_TICKET_NO_DECRYPT 4
2426	/ a ticket was successfully decrypted /
2427	# define SSL_TICKET_SUCCESS 5
2428	/ same as above but the ticket needs to be renewed /
2429	# define SSL_TICKET_SUCCESS_RENEW 6
2430
2431	/ Return codes for the decrypt session ticket callback /
2432	typedef int SSL_TICKET_RETURN;
2433
2434	/ An error occurred /
2435	#define SSL_TICKET_RETURN_ABORT 0
2436	/ Do not use the ticket, do not send a renewed ticket to the client /
2437	#define SSL_TICKET_RETURN_IGNORE 1
2438	/ Do not use the ticket, send a renewed ticket to the client /
2439	#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2440	/ Use the ticket, do not send a renewed ticket to the client /
2441	#define SSL_TICKET_RETURN_USE 3
2442	/ Use the ticket, send a renewed ticket to the client /
2443	#define SSL_TICKET_RETURN_USE_RENEW 4
2444
2445	typedef int (SSL_CTX_generate_session_ticket_fn)(SSL s, void *arg);
2446	typedef SSL_TICKET_RETURN (SSL_CTX_decrypt_session_ticket_fn)(SSL s, SSL_SESSION *ss,
2447	const unsigned char *keyname,
2448	size_t keyname_length,
2449	SSL_TICKET_STATUS status,
2450	void *arg);
2451	int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2452	SSL_CTX_generate_session_ticket_fn gen_cb,
2453	SSL_CTX_decrypt_session_ticket_fn dec_cb,
2454	void *arg);
2455	int SSL_SESSION_set1_ticket_appdata(SSL_SESSION ss, const* void *data, size_t len);
2456	int SSL_SESSION_get0_ticket_appdata(SSL_SESSION ss, void* *data, size_t len);
2457
2458	typedef unsigned int (DTLS_timer_cb)(SSL s, unsigned int timer_us);
2459
2460	void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2461
2462
2463	typedef int (SSL_allow_early_data_cb_fn)(SSL s, void *arg);
2464	void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2465	SSL_allow_early_data_cb_fn cb,
2466	void *arg);
2467	void SSL_set_allow_early_data_cb(SSL *s,
2468	SSL_allow_early_data_cb_fn cb,
2469	void *arg);
2470
2471	/ store the default cipher strings inside the library /
2472	const char OSSL_default_cipher_list(void*);
2473	const char OSSL_default_ciphersuites(void*);
2474
2475	# ifdef __cplusplus
2476	}
2477	# endif
2478	#endif
2479

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