ssl.h.in

Last change on this file was 108206, checked in by vboxsync, 3 months ago
openssl-3.3.2: Exported all files to OSE and removed .scm-settings bugref:10757
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1	/*
2	* {- join("\n * ", @autowarntext) -}
3	*
4	* Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
5	* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
6	* Copyright 2005 Nokia. All rights reserved.
7	*
8	* Licensed under the Apache License 2.0 (the "License"). You may not use
9	* this file except in compliance with the License. You can obtain a copy
10	* in the file LICENSE in the source distribution or at
11	* https://www.openssl.org/source/license.html
12	*/
13
14	{-
15	use OpenSSL::stackhash qw(generate_stack_macros generate_const_stack_macros);
16	-}
17
18	#ifndef OPENSSL_SSL_H
19	# define OPENSSL_SSL_H
20	# pragma once
21
22	# include <openssl/macros.h>
23	# ifndef OPENSSL_NO_DEPRECATED_3_0
24	# define HEADER_SSL_H
25	# endif
26
27	# include <openssl/e_os2.h>
28	# include <openssl/e_ostime.h>
29	# include <openssl/opensslconf.h>
30	# include <openssl/comp.h>
31	# include <openssl/bio.h>
32	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
33	# include <openssl/x509.h>
34	# include <openssl/crypto.h>
35	# include <openssl/buffer.h>
36	# endif
37	# include <openssl/lhash.h>
38	# include <openssl/pem.h>
39	# include <openssl/hmac.h>
40	# include <openssl/async.h>
41
42	# include <openssl/safestack.h>
43	# include <openssl/symhacks.h>
44	# include <openssl/ct.h>
45	# include <openssl/sslerr.h>
46	# include <openssl/prov_ssl.h>
47	# ifndef OPENSSL_NO_STDIO
48	# include <stdio.h>
49	# endif
50
51	#ifdef __cplusplus
52	extern "C" {
53	#endif
54
55	/* OpenSSL version number for ASN.1 encoding of the session information */
56	/*-
57	* Version 0 - initial version
58	* Version 1 - added the optional peer certificate
59	*/
60	# define SSL_SESSION_ASN1_VERSION 0x0001
61
62	# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
63	# define SSL_MAX_SID_CTX_LENGTH 32
64
65	# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
66	# define SSL_MAX_KEY_ARG_LENGTH 8
67	/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
68
69	/* The maximum number of encrypt/decrypt pipelines we can support */
70	# define SSL_MAX_PIPELINES 32
71
72	/* text strings for the ciphers */
73
74	/* These are used to specify which ciphers to use and not to use */
75
76	# define SSL_TXT_LOW "LOW"
77	# define SSL_TXT_MEDIUM "MEDIUM"
78	# define SSL_TXT_HIGH "HIGH"
79	# define SSL_TXT_FIPS "FIPS"
80
81	# define SSL_TXT_aNULL "aNULL"
82	# define SSL_TXT_eNULL "eNULL"
83	# define SSL_TXT_NULL "NULL"
84
85	# define SSL_TXT_kRSA "kRSA"
86	# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
87	# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
88	# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
89	# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
90	# define SSL_TXT_kDHE "kDHE"
91	# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
92	# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
93	# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
94	# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
95	# define SSL_TXT_kECDHE "kECDHE"
96	# define SSL_TXT_kPSK "kPSK"
97	# define SSL_TXT_kRSAPSK "kRSAPSK"
98	# define SSL_TXT_kECDHEPSK "kECDHEPSK"
99	# define SSL_TXT_kDHEPSK "kDHEPSK"
100	# define SSL_TXT_kGOST "kGOST"
101	# define SSL_TXT_kGOST18 "kGOST18"
102	# define SSL_TXT_kSRP "kSRP"
103
104	# define SSL_TXT_aRSA "aRSA"
105	# define SSL_TXT_aDSS "aDSS"
106	# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
107	# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
108	# define SSL_TXT_aECDSA "aECDSA"
109	# define SSL_TXT_aPSK "aPSK"
110	# define SSL_TXT_aGOST94 "aGOST94"
111	# define SSL_TXT_aGOST01 "aGOST01"
112	# define SSL_TXT_aGOST12 "aGOST12"
113	# define SSL_TXT_aGOST "aGOST"
114	# define SSL_TXT_aSRP "aSRP"
115
116	# define SSL_TXT_DSS "DSS"
117	# define SSL_TXT_DH "DH"
118	# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
119	# define SSL_TXT_EDH "EDH"/* alias for DHE */
120	# define SSL_TXT_ADH "ADH"
121	# define SSL_TXT_RSA "RSA"
122	# define SSL_TXT_ECDH "ECDH"
123	# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
124	# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
125	# define SSL_TXT_AECDH "AECDH"
126	# define SSL_TXT_ECDSA "ECDSA"
127	# define SSL_TXT_PSK "PSK"
128	# define SSL_TXT_SRP "SRP"
129
130	# define SSL_TXT_DES "DES"
131	# define SSL_TXT_3DES "3DES"
132	# define SSL_TXT_RC4 "RC4"
133	# define SSL_TXT_RC2 "RC2"
134	# define SSL_TXT_IDEA "IDEA"
135	# define SSL_TXT_SEED "SEED"
136	# define SSL_TXT_AES128 "AES128"
137	# define SSL_TXT_AES256 "AES256"
138	# define SSL_TXT_AES "AES"
139	# define SSL_TXT_AES_GCM "AESGCM"
140	# define SSL_TXT_AES_CCM "AESCCM"
141	# define SSL_TXT_AES_CCM_8 "AESCCM8"
142	# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
143	# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
144	# define SSL_TXT_CAMELLIA "CAMELLIA"
145	# define SSL_TXT_CHACHA20 "CHACHA20"
146	# define SSL_TXT_GOST "GOST89"
147	# define SSL_TXT_ARIA "ARIA"
148	# define SSL_TXT_ARIA_GCM "ARIAGCM"
149	# define SSL_TXT_ARIA128 "ARIA128"
150	# define SSL_TXT_ARIA256 "ARIA256"
151	# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
152	# define SSL_TXT_CBC "CBC"
153
154	# define SSL_TXT_MD5 "MD5"
155	# define SSL_TXT_SHA1 "SHA1"
156	# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
157	# define SSL_TXT_GOST94 "GOST94"
158	# define SSL_TXT_GOST89MAC "GOST89MAC"
159	# define SSL_TXT_GOST12 "GOST12"
160	# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
161	# define SSL_TXT_SHA256 "SHA256"
162	# define SSL_TXT_SHA384 "SHA384"
163
164	# define SSL_TXT_SSLV3 "SSLv3"
165	# define SSL_TXT_TLSV1 "TLSv1"
166	# define SSL_TXT_TLSV1_1 "TLSv1.1"
167	# define SSL_TXT_TLSV1_2 "TLSv1.2"
168
169	# define SSL_TXT_ALL "ALL"
170
171	/*-
172	* COMPLEMENTOF* definitions. These identifiers are used to (de-select)
173	* ciphers normally not being used.
174	* Example: "RC4" will activate all ciphers using RC4 including ciphers
175	* without authentication, which would normally disabled by DEFAULT (due
176	* the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
177	* will make sure that it is also disabled in the specific selection.
178	* COMPLEMENTOF* identifiers are portable between version, as adjustments
179	* to the default cipher setup will also be included here.
180	*
181	* COMPLEMENTOFDEFAULT does not experience the same special treatment that
182	* DEFAULT gets, as only selection is being done and no sorting as needed
183	* for DEFAULT.
184	*/
185	# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
186	# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
187
188	/*
189	* The following cipher list is used by default. It also is substituted when
190	* an application-defined cipher list string starts with 'DEFAULT'.
191	* This applies to ciphersuites for TLSv1.2 and below.
192	* DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
193	* Update both macro and function simultaneously
194	*/
195	# ifndef OPENSSL_NO_DEPRECATED_3_0
196	# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
197	/*
198	* This is the default set of TLSv1.3 ciphersuites
199	* DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
200	* Update both macro and function simultaneously
201	*/
202	# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
203	"TLS_CHACHA20_POLY1305_SHA256:" \
204	"TLS_AES_128_GCM_SHA256"
205	# endif
206	/*
207	* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
208	* starts with a reasonable order, and all we have to do for DEFAULT is
209	* throwing out anonymous and unencrypted ciphersuites! (The latter are not
210	* actually enabled by ALL, but "ALL:RSA" would enable some of them.)
211	*/
212
213	/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
214	# define SSL_SENT_SHUTDOWN 1
215	# define SSL_RECEIVED_SHUTDOWN 2
216
217	#ifdef __cplusplus
218	}
219	#endif
220
221	#ifdef __cplusplus
222	extern "C" {
223	#endif
224
225	# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
226	# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
227
228	/*
229	* This is needed to stop compilers complaining about the 'struct ssl_st *'
230	* function parameters used to prototype callbacks in SSL_CTX.
231	*/
232	typedef struct ssl_st *ssl_crock_st;
233	typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
234	typedef struct ssl_method_st SSL_METHOD;
235	typedef struct ssl_cipher_st SSL_CIPHER;
236	typedef struct ssl_session_st SSL_SESSION;
237	typedef struct tls_sigalgs_st TLS_SIGALGS;
238	typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
239	typedef struct ssl_comp_st SSL_COMP;
240
241	STACK_OF(SSL_CIPHER);
242	STACK_OF(SSL_COMP);
243
244	/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
245	typedef struct srtp_protection_profile_st {
246	const char *name;
247	unsigned long id;
248	} SRTP_PROTECTION_PROFILE;
249	{-
250	generate_stack_macros("SRTP_PROTECTION_PROFILE");
251	-}
252
253
254	typedef int (tls_session_ticket_ext_cb_fn)(SSL s, const unsigned char *data,
255	int len, void *arg);
256	typedef int (tls_session_secret_cb_fn)(SSL s, void secret, int secret_len,
257	STACK_OF(SSL_CIPHER) *peer_ciphers,
258	const SSL_CIPHER *cipher, void arg);
259
260	/* Extension context codes */
261	/* This extension is only allowed in TLS */
262	#define SSL_EXT_TLS_ONLY 0x00001
263	/* This extension is only allowed in DTLS */
264	#define SSL_EXT_DTLS_ONLY 0x00002
265	/* Some extensions may be allowed in DTLS but we don't implement them for it */
266	#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x00004
267	/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
268	#define SSL_EXT_SSL3_ALLOWED 0x00008
269	/* Extension is only defined for TLS1.2 and below */
270	#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x00010
271	/* Extension is only defined for TLS1.3 and above */
272	#define SSL_EXT_TLS1_3_ONLY 0x00020
273	/* Ignore this extension during parsing if we are resuming */
274	#define SSL_EXT_IGNORE_ON_RESUMPTION 0x00040
275	#define SSL_EXT_CLIENT_HELLO 0x00080
276	/* Really means TLS1.2 or below */
277	#define SSL_EXT_TLS1_2_SERVER_HELLO 0x00100
278	#define SSL_EXT_TLS1_3_SERVER_HELLO 0x00200
279	#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x00400
280	#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x00800
281	#define SSL_EXT_TLS1_3_CERTIFICATE 0x01000
282	#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x02000
283	#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x04000
284	#define SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION 0x08000
285	/* When sending a raw public key in a certificate message */
286	#define SSL_EXT_TLS1_3_RAW_PUBLIC_KEY 0x10000
287
288	/* Typedefs for handling custom extensions */
289
290	typedef int (custom_ext_add_cb)(SSL s, unsigned int ext_type,
291	const unsigned char *out, size_t outlen,
292	int al, void add_arg);
293
294	typedef void (custom_ext_free_cb)(SSL s, unsigned int ext_type,
295	const unsigned char out, void add_arg);
296
297	typedef int (custom_ext_parse_cb)(SSL s, unsigned int ext_type,
298	const unsigned char *in, size_t inlen,
299	int al, void parse_arg);
300
301
302	typedef int (SSL_custom_ext_add_cb_ex)(SSL s, unsigned int ext_type,
303	unsigned int context,
304	const unsigned char **out,
305	size_t outlen, X509 x,
306	size_t chainidx,
307	int al, void add_arg);
308
309	typedef void (SSL_custom_ext_free_cb_ex)(SSL s, unsigned int ext_type,
310	unsigned int context,
311	const unsigned char *out,
312	void *add_arg);
313
314	typedef int (SSL_custom_ext_parse_cb_ex)(SSL s, unsigned int ext_type,
315	unsigned int context,
316	const unsigned char *in,
317	size_t inlen, X509 *x,
318	size_t chainidx,
319	int al, void parse_arg);
320
321	/* Typedef for verification callback */
322	typedef int (SSL_verify_cb)(int preverify_ok, X509_STORE_CTX x509_ctx);
323
324	/* Typedef for SSL async callback */
325	typedef int (SSL_async_callback_fn)(SSL s, void *arg);
326
327	#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
328
329	/*
330	* SSL/TLS connection options.
331	*/
332	/* Disable Extended master secret */
333	# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
334	/* Cleanse plaintext copies of data delivered to the application */
335	# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
336	/* Allow initial connection to servers that don't support RI */
337	# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
338	/* Enable support for Kernel TLS */
339	# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
340	# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
341	# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
342	# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
343	# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
344	# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
345	/* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
346	# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
347	/*
348	* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
349	* in OpenSSL 0.9.6d. Usually (depending on the application protocol)
350	* the workaround is not needed. Unfortunately some broken SSL/TLS
351	* implementations cannot handle it at all, which is why we include it
352	* in SSL_OP_ALL. Added in 0.9.6e
353	*/
354	# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
355	/* DTLS options */
356	# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
357	/* Turn on Cookie Exchange (on relevant for servers) */
358	# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
359	/* Don't use RFC4507 ticket extension */
360	# define SSL_OP_NO_TICKET SSL_OP_BIT(14)
361	# ifndef OPENSSL_NO_DTLS1_METHOD
362	/*
363	* Use Cisco's version identifier of DTLS_BAD_VER
364	* (only with deprecated DTLSv1_client_method())
365	*/
366	# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
367	# endif
368	/* As server, disallow session resumption on renegotiation */
369	# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
370	/* Don't use compression even if supported */
371	# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
372	/* Permit unsafe legacy renegotiation */
373	# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
374	/* Disable encrypt-then-mac */
375	# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
376	/*
377	* Enable TLSv1.3 Compatibility mode. This is on by default. A future
378	* version of OpenSSL may have this disabled by default.
379	*/
380	# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
381	/*
382	* Prioritize Chacha20Poly1305 when client does.
383	* Modifies SSL_OP_CIPHER_SERVER_PREFERENCE
384	*/
385	# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
386	/*
387	* Set on servers to choose the cipher according to server's preferences.
388	*/
389	# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22)
390	/*
391	* If set, a server will allow a client to issue a SSLv3.0 version
392	* number as latest version supported in the premaster secret, even when
393	* TLSv1.0 (version 3.1) was announced in the client hello. Normally
394	* this is forbidden to prevent version rollback attacks.
395	*/
396	# define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
397	/*
398	* Switches off automatic TLSv1.3 anti-replay protection for early data.
399	* This is a server-side option only (no effect on the client).
400	*/
401	# define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
402	# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
403	# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
404	# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
405	# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
406	# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
407	# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
408	# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
409	/* Disallow all renegotiation */
410	# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
411	/*
412	* Make server add server-hello extension from early version of
413	* cryptopro draft, when GOST ciphersuite is negotiated. Required for
414	* interoperability with CryptoPro CSP 3.x
415	*/
416	# define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
417	/*
418	* Disable RFC8879 certificate compression
419	* SSL_OP_NO_TX_CERTIFICATE_COMPRESSION: don't send compressed certificates,
420	* and ignore the extension when received.
421	* SSL_OP_NO_RX_CERTIFICATE_COMPRESSION: don't send the extension, and
422	* subsequently indicating that receiving is not supported
423	*/
424	# define SSL_OP_NO_TX_CERTIFICATE_COMPRESSION SSL_OP_BIT(32)
425	# define SSL_OP_NO_RX_CERTIFICATE_COMPRESSION SSL_OP_BIT(33)
426	/* Enable KTLS TX zerocopy on Linux */
427	# define SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE SSL_OP_BIT(34)
428
429	#define SSL_OP_PREFER_NO_DHE_KEX SSL_OP_BIT(35)
430
431	/*
432	* Option "collections."
433	*/
434	# define SSL_OP_NO_SSL_MASK \
435	( SSL_OP_NO_SSLv3 \| SSL_OP_NO_TLSv1 \| SSL_OP_NO_TLSv1_1 \
436	\| SSL_OP_NO_TLSv1_2 \| SSL_OP_NO_TLSv1_3 )
437	# define SSL_OP_NO_DTLS_MASK \
438	( SSL_OP_NO_DTLSv1 \| SSL_OP_NO_DTLSv1_2 )
439
440	/* Various bug workarounds that should be rather harmless. */
441	# define SSL_OP_ALL \
442	( SSL_OP_CRYPTOPRO_TLSEXT_BUG \| SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
443	\| SSL_OP_TLSEXT_PADDING \| SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
444
445	/*
446	* OBSOLETE OPTIONS retained for compatibility
447	*/
448
449	# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
450	# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
451	# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
452	# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
453	# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
454	# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
455	# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
456	# define SSL_OP_TLS_D5_BUG 0x0
457	# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
458	# define SSL_OP_SINGLE_ECDH_USE 0x0
459	# define SSL_OP_SINGLE_DH_USE 0x0
460	# define SSL_OP_EPHEMERAL_RSA 0x0
461	# define SSL_OP_NO_SSLv2 0x0
462	# define SSL_OP_PKCS1_CHECK_1 0x0
463	# define SSL_OP_PKCS1_CHECK_2 0x0
464	# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
465	# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
466
467	/*
468	* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
469	* when just a single record has been written):
470	*/
471	# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
472	/*
473	* Make it possible to retry SSL_write() with changed buffer location (buffer
474	* contents must stay the same!); this is not the default to avoid the
475	* misconception that non-blocking SSL_write() behaves like non-blocking
476	* write():
477	*/
478	# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
479	/*
480	* Never bother the application with retries if the transport is blocking:
481	*/
482	# define SSL_MODE_AUTO_RETRY 0x00000004U
483	/* Don't attempt to automatically build certificate chain */
484	# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
485	/*
486	* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
487	* TLS only.) Released buffers are freed.
488	*/
489	# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
490	/*
491	* Send the current time in the Random fields of the ClientHello and
492	* ServerHello records for compatibility with hypothetical implementations
493	* that require it.
494	*/
495	# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
496	# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
497	/*
498	* Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
499	* that reconnect with a downgraded protocol version; see
500	* draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
501	* application attempts a normal handshake. Only use this in explicit
502	* fallback retries, following the guidance in
503	* draft-ietf-tls-downgrade-scsv-00.
504	*/
505	# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
506	/*
507	* Support Asynchronous operation
508	*/
509	# define SSL_MODE_ASYNC 0x00000100U
510
511	/*
512	* When using DTLS/SCTP, include the terminating zero in the label
513	* used for computing the endpoint-pair shared secret. Required for
514	* interoperability with implementations having this bug like these
515	* older version of OpenSSL:
516	* - OpenSSL 1.0.0 series
517	* - OpenSSL 1.0.1 series
518	* - OpenSSL 1.0.2 series
519	* - OpenSSL 1.1.0 series
520	* - OpenSSL 1.1.1 and 1.1.1a
521	*/
522	# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
523
524	/* Cert related flags */
525	/*
526	* Many implementations ignore some aspects of the TLS standards such as
527	* enforcing certificate chain algorithms. When this is set we enforce them.
528	*/
529	# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
530
531	/* Suite B modes, takes same values as certificate verify flags */
532	# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
533	/* Suite B 192 bit only mode */
534	# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
535	/* Suite B 128 bit mode allowing 192 bit algorithms */
536	# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
537
538	/* Perform all sorts of protocol violations for testing purposes */
539	# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
540
541	/* Flags for building certificate chains */
542	/* Treat any existing certificates as untrusted CAs */
543	# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
544	/* Don't include root CA in chain */
545	# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
546	/* Just check certificates already there */
547	# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
548	/* Ignore verification errors */
549	# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
550	/* Clear verification errors from queue */
551	# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
552
553	/* Flags returned by SSL_check_chain */
554	/* Certificate can be used with this session */
555	# define CERT_PKEY_VALID 0x1
556	/* Certificate can also be used for signing */
557	# define CERT_PKEY_SIGN 0x2
558	/* EE certificate signing algorithm OK */
559	# define CERT_PKEY_EE_SIGNATURE 0x10
560	/* CA signature algorithms OK */
561	# define CERT_PKEY_CA_SIGNATURE 0x20
562	/* EE certificate parameters OK */
563	# define CERT_PKEY_EE_PARAM 0x40
564	/* CA certificate parameters OK */
565	# define CERT_PKEY_CA_PARAM 0x80
566	/* Signing explicitly allowed as opposed to SHA1 fallback */
567	# define CERT_PKEY_EXPLICIT_SIGN 0x100
568	/* Client CA issuer names match (always set for server cert) */
569	# define CERT_PKEY_ISSUER_NAME 0x200
570	/* Cert type matches client types (always set for server cert) */
571	# define CERT_PKEY_CERT_TYPE 0x400
572	/* Cert chain suitable to Suite B */
573	# define CERT_PKEY_SUITEB 0x800
574	/* Cert pkey valid for raw public key use */
575	# define CERT_PKEY_RPK 0x1000
576
577	# define SSL_CONF_FLAG_CMDLINE 0x1
578	# define SSL_CONF_FLAG_FILE 0x2
579	# define SSL_CONF_FLAG_CLIENT 0x4
580	# define SSL_CONF_FLAG_SERVER 0x8
581	# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
582	# define SSL_CONF_FLAG_CERTIFICATE 0x20
583	# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
584	/* Configuration value types */
585	# define SSL_CONF_TYPE_UNKNOWN 0x0
586	# define SSL_CONF_TYPE_STRING 0x1
587	# define SSL_CONF_TYPE_FILE 0x2
588	# define SSL_CONF_TYPE_DIR 0x3
589	# define SSL_CONF_TYPE_NONE 0x4
590	# define SSL_CONF_TYPE_STORE 0x5
591
592	/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
593	# define SSL_COOKIE_LENGTH 4096
594
595	/*
596	* Note: SSL[_CTX]_set_{options,mode} use \|= op on the previous value, they
597	* cannot be used to clear bits.
598	*/
599
600	uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
601	uint64_t SSL_get_options(const SSL *s);
602	uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
603	uint64_t SSL_clear_options(SSL *s, uint64_t op);
604	uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
605	uint64_t SSL_set_options(SSL *s, uint64_t op);
606
607	# define SSL_CTX_set_mode(ctx,op) \
608	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
609	# define SSL_CTX_clear_mode(ctx,op) \
610	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
611	# define SSL_CTX_get_mode(ctx) \
612	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
613	# define SSL_clear_mode(ssl,op) \
614	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
615	# define SSL_set_mode(ssl,op) \
616	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
617	# define SSL_get_mode(ssl) \
618	SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
619	# define SSL_set_mtu(ssl, mtu) \
620	SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
621	# define DTLS_set_link_mtu(ssl, mtu) \
622	SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
623	# define DTLS_get_link_min_mtu(ssl) \
624	SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
625
626	# define SSL_get_secure_renegotiation_support(ssl) \
627	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
628
629	# define SSL_CTX_set_cert_flags(ctx,op) \
630	SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
631	# define SSL_set_cert_flags(s,op) \
632	SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
633	# define SSL_CTX_clear_cert_flags(ctx,op) \
634	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
635	# define SSL_clear_cert_flags(s,op) \
636	SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
637
638	void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
639	void (*cb) (int write_p, int version,
640	int content_type, const void *buf,
641	size_t len, SSL ssl, void arg));
642	void SSL_set_msg_callback(SSL *ssl,
643	void (*cb) (int write_p, int version,
644	int content_type, const void *buf,
645	size_t len, SSL ssl, void arg));
646	# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
647	# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
648
649	# define SSL_get_extms_support(s) \
650	SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
651
652	# ifndef OPENSSL_NO_SRP
653	/* see tls_srp.c */
654	# ifndef OPENSSL_NO_DEPRECATED_3_0
655	OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
656	OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
657	OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
658	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
659	OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
660	int *ad);
661	OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
662	# endif
663	# endif
664
665	/* 100k max cert list */
666	# define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
667
668	# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
669
670	/*
671	* This callback type is used inside SSL_CTX, SSL, and in the functions that
672	* set them. It is used to override the generation of SSL/TLS session IDs in
673	* a server. Return value should be zero on an error, non-zero to proceed.
674	* Also, callbacks should themselves check if the id they generate is unique
675	* otherwise the SSL handshake will fail with an error - callbacks can do
676	* this using the 'ssl' value they're passed by;
677	* SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
678	* is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
679	* bytes. The callback can alter this length to be less if desired. It is
680	* also an error for the callback to set the size to zero.
681	*/
682	typedef int (GEN_SESSION_CB) (SSL ssl, unsigned char *id,
683	unsigned int *id_len);
684
685	# define SSL_SESS_CACHE_OFF 0x0000
686	# define SSL_SESS_CACHE_CLIENT 0x0001
687	# define SSL_SESS_CACHE_SERVER 0x0002
688	# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT\|SSL_SESS_CACHE_SERVER)
689	# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
690	/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
691	# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
692	# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
693	# define SSL_SESS_CACHE_NO_INTERNAL \
694	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP\|SSL_SESS_CACHE_NO_INTERNAL_STORE)
695	# define SSL_SESS_CACHE_UPDATE_TIME 0x0400
696
697	LHASH_OF(SSL_SESSION) SSL_CTX_sessions(SSL_CTX ctx);
698	# define SSL_CTX_sess_number(ctx) \
699	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
700	# define SSL_CTX_sess_connect(ctx) \
701	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
702	# define SSL_CTX_sess_connect_good(ctx) \
703	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
704	# define SSL_CTX_sess_connect_renegotiate(ctx) \
705	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
706	# define SSL_CTX_sess_accept(ctx) \
707	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
708	# define SSL_CTX_sess_accept_renegotiate(ctx) \
709	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
710	# define SSL_CTX_sess_accept_good(ctx) \
711	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
712	# define SSL_CTX_sess_hits(ctx) \
713	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
714	# define SSL_CTX_sess_cb_hits(ctx) \
715	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
716	# define SSL_CTX_sess_misses(ctx) \
717	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
718	# define SSL_CTX_sess_timeouts(ctx) \
719	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
720	# define SSL_CTX_sess_cache_full(ctx) \
721	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
722
723	void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
724	int (new_session_cb) (struct ssl_st ssl,
725	SSL_SESSION *sess));
726	int (SSL_CTX_sess_get_new_cb(SSL_CTX ctx)) (struct ssl_st *ssl,
727	SSL_SESSION *sess);
728	void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
729	void (*remove_session_cb) (struct ssl_ctx_st
730	*ctx,
731	SSL_SESSION *sess));
732	void (SSL_CTX_sess_get_remove_cb(SSL_CTX ctx)) (struct ssl_ctx_st *ctx,
733	SSL_SESSION *sess);
734	void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
735	SSL_SESSION (get_session_cb) (struct ssl_st
736	*ssl,
737	const unsigned char
738	*data, int len,
739	int *copy));
740	SSL_SESSION (SSL_CTX_sess_get_get_cb(SSL_CTX ctx)) (struct ssl_st ssl,
741	const unsigned char *data,
742	int len, int *copy);
743	void SSL_CTX_set_info_callback(SSL_CTX *ctx,
744	void (cb) (const SSL ssl, int type, int val));
745	void (SSL_CTX_get_info_callback(SSL_CTX ctx)) (const SSL *ssl, int type,
746	int val);
747	void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
748	int (client_cert_cb) (SSL ssl, X509 **x509,
749	EVP_PKEY **pkey));
750	int (SSL_CTX_get_client_cert_cb(SSL_CTX ctx)) (SSL ssl, X509 *x509,
751	EVP_PKEY **pkey);
752	# ifndef OPENSSL_NO_ENGINE
753	__owur int SSL_CTX_set_client_cert_engine(SSL_CTX ctx, ENGINE e);
754	# endif
755	void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
756	int (app_gen_cookie_cb) (SSL ssl,
757	unsigned char
758	*cookie,
759	unsigned int
760	*cookie_len));
761	void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
762	int (app_verify_cookie_cb) (SSL ssl,
763	const unsigned
764	char *cookie,
765	unsigned int
766	cookie_len));
767
768	void SSL_CTX_set_stateless_cookie_generate_cb(
769	SSL_CTX *ctx,
770	int (gen_stateless_cookie_cb) (SSL ssl,
771	unsigned char *cookie,
772	size_t *cookie_len));
773	void SSL_CTX_set_stateless_cookie_verify_cb(
774	SSL_CTX *ctx,
775	int (verify_stateless_cookie_cb) (SSL ssl,
776	const unsigned char *cookie,
777	size_t cookie_len));
778	# ifndef OPENSSL_NO_NEXTPROTONEG
779
780	typedef int (SSL_CTX_npn_advertised_cb_func)(SSL ssl,
781	const unsigned char **out,
782	unsigned int *outlen,
783	void *arg);
784	void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
785	SSL_CTX_npn_advertised_cb_func cb,
786	void *arg);
787	# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
788
789	typedef int (SSL_CTX_npn_select_cb_func)(SSL s,
790	unsigned char **out,
791	unsigned char *outlen,
792	const unsigned char *in,
793	unsigned int inlen,
794	void *arg);
795	void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
796	SSL_CTX_npn_select_cb_func cb,
797	void *arg);
798	# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
799
800	void SSL_get0_next_proto_negotiated(const SSL s, const unsigned char *data,
801	unsigned *len);
802	# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
803	# endif
804
805	__owur int SSL_select_next_proto(unsigned char *out, unsigned char outlen,
806	const unsigned char *in, unsigned int inlen,
807	const unsigned char *client,
808	unsigned int client_len);
809
810	# define OPENSSL_NPN_UNSUPPORTED 0
811	# define OPENSSL_NPN_NEGOTIATED 1
812	# define OPENSSL_NPN_NO_OVERLAP 2
813
814	__owur int SSL_CTX_set_alpn_protos(SSL_CTX ctx, const unsigned char protos,
815	unsigned int protos_len);
816	__owur int SSL_set_alpn_protos(SSL ssl, const unsigned char protos,
817	unsigned int protos_len);
818	typedef int (SSL_CTX_alpn_select_cb_func)(SSL ssl,
819	const unsigned char **out,
820	unsigned char *outlen,
821	const unsigned char *in,
822	unsigned int inlen,
823	void *arg);
824	void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
825	SSL_CTX_alpn_select_cb_func cb,
826	void *arg);
827	void SSL_get0_alpn_selected(const SSL ssl, const unsigned char *data,
828	unsigned int *len);
829
830	# ifndef OPENSSL_NO_PSK
831	/*
832	* the maximum length of the buffer given to callbacks containing the
833	* resulting identity/psk
834	*/
835	# define PSK_MAX_IDENTITY_LEN 256
836	# define PSK_MAX_PSK_LEN 512
837	typedef unsigned int (SSL_psk_client_cb_func)(SSL ssl,
838	const char *hint,
839	char *identity,
840	unsigned int max_identity_len,
841	unsigned char *psk,
842	unsigned int max_psk_len);
843	void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
844	void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
845
846	typedef unsigned int (SSL_psk_server_cb_func)(SSL ssl,
847	const char *identity,
848	unsigned char *psk,
849	unsigned int max_psk_len);
850	void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
851	void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
852
853	__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX ctx, const char identity_hint);
854	__owur int SSL_use_psk_identity_hint(SSL s, const char identity_hint);
855	const char SSL_get_psk_identity_hint(const SSL s);
856	const char SSL_get_psk_identity(const SSL s);
857	# endif
858
859	typedef int (SSL_psk_find_session_cb_func)(SSL ssl,
860	const unsigned char *identity,
861	size_t identity_len,
862	SSL_SESSION **sess);
863	typedef int (SSL_psk_use_session_cb_func)(SSL ssl, const EVP_MD *md,
864	const unsigned char **id,
865	size_t *idlen,
866	SSL_SESSION **sess);
867
868	void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
869	void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
870	SSL_psk_find_session_cb_func cb);
871	void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
872	void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
873	SSL_psk_use_session_cb_func cb);
874
875	/* Register callbacks to handle custom TLS Extensions for client or server. */
876
877	__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
878	unsigned int ext_type);
879
880	__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
881	unsigned int ext_type,
882	custom_ext_add_cb add_cb,
883	custom_ext_free_cb free_cb,
884	void *add_arg,
885	custom_ext_parse_cb parse_cb,
886	void *parse_arg);
887
888	__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
889	unsigned int ext_type,
890	custom_ext_add_cb add_cb,
891	custom_ext_free_cb free_cb,
892	void *add_arg,
893	custom_ext_parse_cb parse_cb,
894	void *parse_arg);
895
896	__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
897	unsigned int context,
898	SSL_custom_ext_add_cb_ex add_cb,
899	SSL_custom_ext_free_cb_ex free_cb,
900	void *add_arg,
901	SSL_custom_ext_parse_cb_ex parse_cb,
902	void *parse_arg);
903
904	__owur int SSL_extension_supported(unsigned int ext_type);
905
906	# define SSL_NOTHING 1
907	# define SSL_WRITING 2
908	# define SSL_READING 3
909	# define SSL_X509_LOOKUP 4
910	# define SSL_ASYNC_PAUSED 5
911	# define SSL_ASYNC_NO_JOBS 6
912	# define SSL_CLIENT_HELLO_CB 7
913	# define SSL_RETRY_VERIFY 8
914
915	/* These will only be used when doing non-blocking IO */
916	# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
917	# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
918	# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
919	# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
920	# define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
921	# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
922	# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
923	# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
924
925	# define SSL_MAC_FLAG_READ_MAC_STREAM 1
926	# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
927	# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
928	# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
929
930	/*
931	* A callback for logging out TLS key material. This callback should log out
932	* \|line\| followed by a newline.
933	*/
934	typedef void (SSL_CTX_keylog_cb_func)(const SSL ssl, const char *line);
935
936	/*
937	* SSL_CTX_set_keylog_callback configures a callback to log key material. This
938	* is intended for debugging use with tools like Wireshark. The cb function
939	* should log line followed by a newline.
940	*/
941	void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
942
943	/*
944	* SSL_CTX_get_keylog_callback returns the callback configured by
945	* SSL_CTX_set_keylog_callback.
946	*/
947	SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
948
949	int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
950	uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
951	int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
952	uint32_t SSL_get_max_early_data(const SSL *s);
953	int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
954	uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
955	int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
956	uint32_t SSL_get_recv_max_early_data(const SSL *s);
957
958	#ifdef __cplusplus
959	}
960	#endif
961
962	# include <openssl/ssl2.h>
963	# include <openssl/ssl3.h>
964	# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
965	# include <openssl/dtls1.h> /* Datagram TLS */
966	# include <openssl/srtp.h> /* Support for the use_srtp extension */
967	# include <openssl/quic.h>
968
969	#ifdef __cplusplus
970	extern "C" {
971	#endif
972
973	/*
974	* These need to be after the above set of includes due to a compiler bug
975	* in VisualStudio 2015
976	*/
977	{-
978	generate_const_stack_macros("SSL_CIPHER")
979	.generate_stack_macros("SSL_COMP");
980	-}
981
982	/* compatibility */
983	# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
984	# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
985	# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
986	(char *)(a)))
987	# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
988	# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
989	# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
990	(char *)(arg)))
991	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
992	OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
993	# endif
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_COMP_CERT,
1021	TLS_ST_CR_CERT_STATUS,
1022	TLS_ST_CR_KEY_EXCH,
1023	TLS_ST_CR_CERT_REQ,
1024	TLS_ST_CR_SRVR_DONE,
1025	TLS_ST_CR_SESSION_TICKET,
1026	TLS_ST_CR_CHANGE,
1027	TLS_ST_CR_FINISHED,
1028	TLS_ST_CW_CLNT_HELLO,
1029	TLS_ST_CW_CERT,
1030	TLS_ST_CW_COMP_CERT,
1031	TLS_ST_CW_KEY_EXCH,
1032	TLS_ST_CW_CERT_VRFY,
1033	TLS_ST_CW_CHANGE,
1034	TLS_ST_CW_NEXT_PROTO,
1035	TLS_ST_CW_FINISHED,
1036	TLS_ST_SW_HELLO_REQ,
1037	TLS_ST_SR_CLNT_HELLO,
1038	DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1039	TLS_ST_SW_SRVR_HELLO,
1040	TLS_ST_SW_CERT,
1041	TLS_ST_SW_COMP_CERT,
1042	TLS_ST_SW_KEY_EXCH,
1043	TLS_ST_SW_CERT_REQ,
1044	TLS_ST_SW_SRVR_DONE,
1045	TLS_ST_SR_CERT,
1046	TLS_ST_SR_COMP_CERT,
1047	TLS_ST_SR_KEY_EXCH,
1048	TLS_ST_SR_CERT_VRFY,
1049	TLS_ST_SR_NEXT_PROTO,
1050	TLS_ST_SR_CHANGE,
1051	TLS_ST_SR_FINISHED,
1052	TLS_ST_SW_SESSION_TICKET,
1053	TLS_ST_SW_CERT_STATUS,
1054	TLS_ST_SW_CHANGE,
1055	TLS_ST_SW_FINISHED,
1056	TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1057	TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1058	TLS_ST_CR_CERT_VRFY,
1059	TLS_ST_SW_CERT_VRFY,
1060	TLS_ST_CR_HELLO_REQ,
1061	TLS_ST_SW_KEY_UPDATE,
1062	TLS_ST_CW_KEY_UPDATE,
1063	TLS_ST_SR_KEY_UPDATE,
1064	TLS_ST_CR_KEY_UPDATE,
1065	TLS_ST_EARLY_DATA,
1066	TLS_ST_PENDING_EARLY_DATA_END,
1067	TLS_ST_CW_END_OF_EARLY_DATA,
1068	TLS_ST_SR_END_OF_EARLY_DATA
1069	} OSSL_HANDSHAKE_STATE;
1070
1071	/*
1072	* Most of the following state values are no longer used and are defined to be
1073	* the closest equivalent value in the current state machine code. Not all
1074	* defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1075	* and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1076	* SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1077	*/
1078
1079	# define SSL_ST_CONNECT 0x1000
1080	# define SSL_ST_ACCEPT 0x2000
1081
1082	# define SSL_ST_MASK 0x0FFF
1083
1084	# define SSL_CB_LOOP 0x01
1085	# define SSL_CB_EXIT 0x02
1086	# define SSL_CB_READ 0x04
1087	# define SSL_CB_WRITE 0x08
1088	# define SSL_CB_ALERT 0x4000/* used in callback */
1089	# define SSL_CB_READ_ALERT (SSL_CB_ALERT\|SSL_CB_READ)
1090	# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT\|SSL_CB_WRITE)
1091	# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT\|SSL_CB_LOOP)
1092	# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT\|SSL_CB_EXIT)
1093	# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT\|SSL_CB_LOOP)
1094	# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT\|SSL_CB_EXIT)
1095	# define SSL_CB_HANDSHAKE_START 0x10
1096	# define SSL_CB_HANDSHAKE_DONE 0x20
1097
1098	/* Is the SSL_connection established? */
1099	# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1100	# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1101	int SSL_in_init(const SSL *s);
1102	int SSL_in_before(const SSL *s);
1103	int SSL_is_init_finished(const SSL *s);
1104
1105	/*
1106	* The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1107	* should not need these
1108	*/
1109	# define SSL_ST_READ_HEADER 0xF0
1110	# define SSL_ST_READ_BODY 0xF1
1111	# define SSL_ST_READ_DONE 0xF2
1112
1113	/*-
1114	* Obtain latest Finished message
1115	* -- that we sent (SSL_get_finished)
1116	* -- that we expected from peer (SSL_get_peer_finished).
1117	* Returns length (0 == no Finished so far), copies up to 'count' bytes.
1118	*/
1119	size_t SSL_get_finished(const SSL s, void buf, size_t count);
1120	size_t SSL_get_peer_finished(const SSL s, void buf, size_t count);
1121
1122	/*
1123	* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1124	* 'ored' with SSL_VERIFY_PEER if they are desired
1125	*/
1126	# define SSL_VERIFY_NONE 0x00
1127	# define SSL_VERIFY_PEER 0x01
1128	# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1129	# define SSL_VERIFY_CLIENT_ONCE 0x04
1130	# define SSL_VERIFY_POST_HANDSHAKE 0x08
1131
1132	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1133	# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1134	# define SSLeay_add_ssl_algorithms() SSL_library_init()
1135	# endif
1136
1137	/* More backward compatibility */
1138	# define SSL_get_cipher(s) \
1139	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1140	# define SSL_get_cipher_bits(s,np) \
1141	SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1142	# define SSL_get_cipher_version(s) \
1143	SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1144	# define SSL_get_cipher_name(s) \
1145	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1146	# define SSL_get_time(a) SSL_SESSION_get_time(a)
1147	# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1148	# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1149	# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1150
1151	# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1152	# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1153
1154	DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1155	# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1156	* from SSL_AD_... */
1157	/* These alert types are for SSLv3 and TLSv1 */
1158	# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1159	/* fatal */
1160	# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1161	/* fatal */
1162	# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1163	# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1164	# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1165	/* fatal */
1166	# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1167	/* fatal */
1168	# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1169	/* Not for TLS */
1170	# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1171	# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1172	# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1173	# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1174	# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1175	# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1176	/* fatal */
1177	# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1178	/* fatal */
1179	# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1180	/* fatal */
1181	# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1182	/* fatal */
1183	# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1184	# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1185	/* fatal */
1186	# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1187	/* fatal */
1188	# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1189	/* fatal */
1190	# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1191	/* fatal */
1192	# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1193	# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1194	# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1195	# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1196	# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1197	# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1198	# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1199	# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1200	# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1201	# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1202	/* fatal */
1203	# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1204	/* fatal */
1205	# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1206	# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1207	# define SSL_ERROR_NONE 0
1208	# define SSL_ERROR_SSL 1
1209	# define SSL_ERROR_WANT_READ 2
1210	# define SSL_ERROR_WANT_WRITE 3
1211	# define SSL_ERROR_WANT_X509_LOOKUP 4
1212	# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1213	* value/errno */
1214	# define SSL_ERROR_ZERO_RETURN 6
1215	# define SSL_ERROR_WANT_CONNECT 7
1216	# define SSL_ERROR_WANT_ACCEPT 8
1217	# define SSL_ERROR_WANT_ASYNC 9
1218	# define SSL_ERROR_WANT_ASYNC_JOB 10
1219	# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1220	# define SSL_ERROR_WANT_RETRY_VERIFY 12
1221
1222	# ifndef OPENSSL_NO_DEPRECATED_3_0
1223	# define SSL_CTRL_SET_TMP_DH 3
1224	# define SSL_CTRL_SET_TMP_ECDH 4
1225	# define SSL_CTRL_SET_TMP_DH_CB 6
1226	# endif
1227
1228	# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1229	# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1230	# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1231	# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1232	# define SSL_CTRL_GET_FLAGS 13
1233	# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1234	# define SSL_CTRL_SET_MSG_CALLBACK 15
1235	# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1236	/* only applies to datagram connections */
1237	# define SSL_CTRL_SET_MTU 17
1238	/* Stats */
1239	# define SSL_CTRL_SESS_NUMBER 20
1240	# define SSL_CTRL_SESS_CONNECT 21
1241	# define SSL_CTRL_SESS_CONNECT_GOOD 22
1242	# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1243	# define SSL_CTRL_SESS_ACCEPT 24
1244	# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1245	# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1246	# define SSL_CTRL_SESS_HIT 27
1247	# define SSL_CTRL_SESS_CB_HIT 28
1248	# define SSL_CTRL_SESS_MISSES 29
1249	# define SSL_CTRL_SESS_TIMEOUTS 30
1250	# define SSL_CTRL_SESS_CACHE_FULL 31
1251	# define SSL_CTRL_MODE 33
1252	# define SSL_CTRL_GET_READ_AHEAD 40
1253	# define SSL_CTRL_SET_READ_AHEAD 41
1254	# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1255	# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1256	# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1257	# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1258	# define SSL_CTRL_GET_MAX_CERT_LIST 50
1259	# define SSL_CTRL_SET_MAX_CERT_LIST 51
1260	# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1261	/* see tls1.h for macros based on these */
1262	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1263	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1264	# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1265	# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1266	# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1267	# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1268	# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1269	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 /
1270	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 /
1271	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 /
1272	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1273	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1274	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1275	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1276	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1277	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1278	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1279	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1280	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1281	# ifndef OPENSSL_NO_DEPRECATED_3_0
1282	# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1283	# endif
1284	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1285	# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1286	# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1287	# define SSL_CTRL_SET_SRP_ARG 78
1288	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1289	# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1290	# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1291	# define DTLS_CTRL_GET_TIMEOUT 73
1292	# define DTLS_CTRL_HANDLE_TIMEOUT 74
1293	# define SSL_CTRL_GET_RI_SUPPORT 76
1294	# define SSL_CTRL_CLEAR_MODE 78
1295	# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1296	# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1297	# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1298	# define SSL_CTRL_CHAIN 88
1299	# define SSL_CTRL_CHAIN_CERT 89
1300	# define SSL_CTRL_GET_GROUPS 90
1301	# define SSL_CTRL_SET_GROUPS 91
1302	# define SSL_CTRL_SET_GROUPS_LIST 92
1303	# define SSL_CTRL_GET_SHARED_GROUP 93
1304	# define SSL_CTRL_SET_SIGALGS 97
1305	# define SSL_CTRL_SET_SIGALGS_LIST 98
1306	# define SSL_CTRL_CERT_FLAGS 99
1307	# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1308	# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1309	# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1310	# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1311	# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1312	# define SSL_CTRL_BUILD_CERT_CHAIN 105
1313	# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1314	# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1315	# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1316	# define SSL_CTRL_GET_PEER_TMP_KEY 109
1317	# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1318	# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1319	# define SSL_CTRL_GET_CHAIN_CERTS 115
1320	# define SSL_CTRL_SELECT_CURRENT_CERT 116
1321	# define SSL_CTRL_SET_CURRENT_CERT 117
1322	# define SSL_CTRL_SET_DH_AUTO 118
1323	# define DTLS_CTRL_SET_LINK_MTU 120
1324	# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1325	# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1326	# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1327	# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1328	# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1329	# define SSL_CTRL_SET_MAX_PIPELINES 126
1330	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1331	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1332	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1333	# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1334	# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1335	# define SSL_CTRL_GET_SIGNATURE_NID 132
1336	# define SSL_CTRL_GET_TMP_KEY 133
1337	# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1338	# define SSL_CTRL_GET_IANA_GROUPS 135
1339	# define SSL_CTRL_SET_RETRY_VERIFY 136
1340	# define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1341	# define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1342	# define SSL_CERT_SET_FIRST 1
1343	# define SSL_CERT_SET_NEXT 2
1344	# define SSL_CERT_SET_SERVER 3
1345	# define DTLSv1_get_timeout(ssl, arg) \
1346	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1347	# define DTLSv1_handle_timeout(ssl) \
1348	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1349	# define SSL_num_renegotiations(ssl) \
1350	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1351	# define SSL_clear_num_renegotiations(ssl) \
1352	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1353	# define SSL_total_renegotiations(ssl) \
1354	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1355	# ifndef OPENSSL_NO_DEPRECATED_3_0
1356	# define SSL_CTX_set_tmp_dh(ctx,dh) \
1357	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1358	# endif
1359	# define SSL_CTX_set_dh_auto(ctx, onoff) \
1360	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1361	# define SSL_set_dh_auto(s, onoff) \
1362	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1363	# ifndef OPENSSL_NO_DEPRECATED_3_0
1364	# define SSL_set_tmp_dh(ssl,dh) \
1365	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1366	# endif
1367	# ifndef OPENSSL_NO_DEPRECATED_3_0
1368	# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1369	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1370	# define SSL_set_tmp_ecdh(ssl,ecdh) \
1371	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1372	# endif
1373	# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1374	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1375	# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1376	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1377	# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1378	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1379	# define SSL_CTX_clear_extra_chain_certs(ctx) \
1380	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1381	# define SSL_CTX_set0_chain(ctx,sk) \
1382	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1383	# define SSL_CTX_set1_chain(ctx,sk) \
1384	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1385	# define SSL_CTX_add0_chain_cert(ctx,x509) \
1386	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1387	# define SSL_CTX_add1_chain_cert(ctx,x509) \
1388	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1389	# define SSL_CTX_get0_chain_certs(ctx,px509) \
1390	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1391	# define SSL_CTX_clear_chain_certs(ctx) \
1392	SSL_CTX_set0_chain(ctx,NULL)
1393	# define SSL_CTX_build_cert_chain(ctx, flags) \
1394	SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1395	# define SSL_CTX_select_current_cert(ctx,x509) \
1396	SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1397	# define SSL_CTX_set_current_cert(ctx, op) \
1398	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1399	# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1400	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1401	# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1402	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1403	# define SSL_CTX_get0_verify_cert_store(ctx,st) \
1404	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1405	# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1406	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1407	# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1408	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1409	# define SSL_CTX_get0_chain_cert_store(ctx,st) \
1410	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1411	# define SSL_set0_chain(s,sk) \
1412	SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1413	# define SSL_set1_chain(s,sk) \
1414	SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1415	# define SSL_add0_chain_cert(s,x509) \
1416	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1417	# define SSL_add1_chain_cert(s,x509) \
1418	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1419	# define SSL_get0_chain_certs(s,px509) \
1420	SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1421	# define SSL_clear_chain_certs(s) \
1422	SSL_set0_chain(s,NULL)
1423	# define SSL_build_cert_chain(s, flags) \
1424	SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1425	# define SSL_select_current_cert(s,x509) \
1426	SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1427	# define SSL_set_current_cert(s,op) \
1428	SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1429	# define SSL_set0_verify_cert_store(s,st) \
1430	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1431	# define SSL_set1_verify_cert_store(s,st) \
1432	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1433	#define SSL_get0_verify_cert_store(s,st) \
1434	SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1435	# define SSL_set0_chain_cert_store(s,st) \
1436	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1437	# define SSL_set1_chain_cert_store(s,st) \
1438	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1439	#define SSL_get0_chain_cert_store(s,st) \
1440	SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1441
1442	# define SSL_get1_groups(s, glist) \
1443	SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1444	# define SSL_get0_iana_groups(s, plst) \
1445	SSL_ctrl(s,SSL_CTRL_GET_IANA_GROUPS,0,(uint16_t **)(plst))
1446	# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1447	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1448	# define SSL_CTX_set1_groups_list(ctx, s) \
1449	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1450	# define SSL_set1_groups(s, glist, glistlen) \
1451	SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1452	# define SSL_set1_groups_list(s, str) \
1453	SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1454	# define SSL_get_shared_group(s, n) \
1455	SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1456	# define SSL_get_negotiated_group(s) \
1457	SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1458	# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1459	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1460	# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1461	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1462	# define SSL_set1_sigalgs(s, slist, slistlen) \
1463	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1464	# define SSL_set1_sigalgs_list(s, str) \
1465	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1466	# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1467	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1468	# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1469	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1470	# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1471	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1472	# define SSL_set1_client_sigalgs_list(s, str) \
1473	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1474	# define SSL_get0_certificate_types(s, clist) \
1475	SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1476	# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1477	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1478	(char *)(clist))
1479	# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1480	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1481	# define SSL_get_signature_nid(s, pn) \
1482	SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1483	# define SSL_get_peer_signature_nid(s, pn) \
1484	SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1485	# define SSL_get_peer_tmp_key(s, pk) \
1486	SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1487	# define SSL_get_tmp_key(s, pk) \
1488	SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1489	# define SSL_get0_raw_cipherlist(s, plst) \
1490	SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1491	# define SSL_get0_ec_point_formats(s, plst) \
1492	SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1493	# define SSL_CTX_set_min_proto_version(ctx, version) \
1494	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1495	# define SSL_CTX_set_max_proto_version(ctx, version) \
1496	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1497	# define SSL_CTX_get_min_proto_version(ctx) \
1498	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1499	# define SSL_CTX_get_max_proto_version(ctx) \
1500	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1501	# define SSL_set_min_proto_version(s, version) \
1502	SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1503	# define SSL_set_max_proto_version(s, version) \
1504	SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1505	# define SSL_get_min_proto_version(s) \
1506	SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1507	# define SSL_get_max_proto_version(s) \
1508	SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1509
1510	const char SSL_get0_group_name(SSL s);
1511	const char SSL_group_to_name(SSL s, int id);
1512
1513	/* Backwards compatibility, original 1.1.0 names */
1514	# define SSL_CTRL_GET_SERVER_TMP_KEY \
1515	SSL_CTRL_GET_PEER_TMP_KEY
1516	# define SSL_get_server_tmp_key(s, pk) \
1517	SSL_get_peer_tmp_key(s, pk)
1518
1519	int SSL_set0_tmp_dh_pkey(SSL s, EVP_PKEY dhpkey);
1520	int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX ctx, EVP_PKEY dhpkey);
1521
1522	/*
1523	* The following symbol names are old and obsolete. They are kept
1524	* for compatibility reasons only and should not be used anymore.
1525	*/
1526	# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1527	# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1528	# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1529	# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1530
1531	# define SSL_get1_curves SSL_get1_groups
1532	# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1533	# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1534	# define SSL_set1_curves SSL_set1_groups
1535	# define SSL_set1_curves_list SSL_set1_groups_list
1536	# define SSL_get_shared_curve SSL_get_shared_group
1537
1538
1539	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1540	/* Provide some compatibility macros for removed functionality. */
1541	# define SSL_CTX_need_tmp_RSA(ctx) 0
1542	# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1543	# define SSL_need_tmp_RSA(ssl) 0
1544	# define SSL_set_tmp_rsa(ssl,rsa) 1
1545	# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1546	# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1547	/*
1548	* We "pretend" to call the callback to avoid warnings about unused static
1549	* functions.
1550	*/
1551	# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1552	# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1553	# endif
1554	__owur const BIO_METHOD *BIO_f_ssl(void);
1555	__owur BIO BIO_new_ssl(SSL_CTX ctx, int client);
1556	__owur BIO BIO_new_ssl_connect(SSL_CTX ctx);
1557	__owur BIO BIO_new_buffer_ssl_connect(SSL_CTX ctx);
1558	__owur int BIO_ssl_copy_session_id(BIO to, BIO from);
1559	void BIO_ssl_shutdown(BIO *ssl_bio);
1560
1561	__owur int SSL_CTX_set_cipher_list(SSL_CTX , const char str);
1562	__owur SSL_CTX SSL_CTX_new(const SSL_METHOD meth);
1563	__owur SSL_CTX SSL_CTX_new_ex(OSSL_LIB_CTX libctx, const char *propq,
1564	const SSL_METHOD *meth);
1565	int SSL_CTX_up_ref(SSL_CTX *ctx);
1566	void SSL_CTX_free(SSL_CTX *);
1567	__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1568	__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1569	__owur X509_STORE SSL_CTX_get_cert_store(const SSL_CTX );
1570	void SSL_CTX_set_cert_store(SSL_CTX , X509_STORE );
1571	void SSL_CTX_set1_cert_store(SSL_CTX , X509_STORE );
1572	__owur int SSL_want(const SSL *s);
1573	__owur int SSL_clear(SSL *s);
1574
1575	void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1576
1577	__owur const SSL_CIPHER SSL_get_current_cipher(const SSL s);
1578	__owur const SSL_CIPHER SSL_get_pending_cipher(const SSL s);
1579	__owur int SSL_CIPHER_get_bits(const SSL_CIPHER c, int alg_bits);
1580	__owur const char SSL_CIPHER_get_version(const SSL_CIPHER c);
1581	__owur const char SSL_CIPHER_get_name(const SSL_CIPHER c);
1582	__owur const char SSL_CIPHER_standard_name(const SSL_CIPHER c);
1583	__owur const char OPENSSL_cipher_name(const char rfc_name);
1584	__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1585	__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1586	__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1587	__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1588	__owur const EVP_MD SSL_CIPHER_get_handshake_digest(const SSL_CIPHER c);
1589	__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1590
1591	__owur int SSL_get_fd(const SSL *s);
1592	__owur int SSL_get_rfd(const SSL *s);
1593	__owur int SSL_get_wfd(const SSL *s);
1594	__owur const char SSL_get_cipher_list(const SSL s, int n);
1595	__owur char SSL_get_shared_ciphers(const SSL s, char *buf, int size);
1596	__owur int SSL_get_read_ahead(const SSL *s);
1597	__owur int SSL_pending(const SSL *s);
1598	__owur int SSL_has_pending(const SSL *s);
1599	# ifndef OPENSSL_NO_SOCK
1600	__owur int SSL_set_fd(SSL *s, int fd);
1601	__owur int SSL_set_rfd(SSL *s, int fd);
1602	__owur int SSL_set_wfd(SSL *s, int fd);
1603	# endif
1604	void SSL_set0_rbio(SSL s, BIO rbio);
1605	void SSL_set0_wbio(SSL s, BIO wbio);
1606	void SSL_set_bio(SSL s, BIO rbio, BIO *wbio);
1607	__owur BIO SSL_get_rbio(const SSL s);
1608	__owur BIO SSL_get_wbio(const SSL s);
1609	__owur int SSL_set_cipher_list(SSL s, const char str);
1610	__owur int SSL_CTX_set_ciphersuites(SSL_CTX ctx, const char str);
1611	__owur int SSL_set_ciphersuites(SSL s, const char str);
1612	void SSL_set_read_ahead(SSL *s, int yes);
1613	__owur int SSL_get_verify_mode(const SSL *s);
1614	__owur int SSL_get_verify_depth(const SSL *s);
1615	__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1616	void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1617	void SSL_set_verify_depth(SSL *s, int depth);
1618	void SSL_set_cert_cb(SSL s, int (cb) (SSL ssl, void arg), void *arg);
1619	# ifndef OPENSSL_NO_DEPRECATED_3_0
1620	OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL ssl, RSA rsa);
1621	OSSL_DEPRECATEDIN_3_0
1622	__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1623	const unsigned char *d, long len);
1624	# endif
1625	__owur int SSL_use_PrivateKey(SSL ssl, EVP_PKEY pkey);
1626	__owur int SSL_use_PrivateKey_ASN1(int pk, SSL ssl, const unsigned char d,
1627	long len);
1628	__owur int SSL_use_certificate(SSL ssl, X509 x);
1629	__owur int SSL_use_certificate_ASN1(SSL ssl, const unsigned char d, int len);
1630	__owur int SSL_use_cert_and_key(SSL ssl, X509 x509, EVP_PKEY *privatekey,
1631	STACK_OF(X509) *chain, int override);
1632
1633
1634	/* serverinfo file format versions */
1635	# define SSL_SERVERINFOV1 1
1636	# define SSL_SERVERINFOV2 2
1637
1638	/* Set serverinfo data for the current active cert. */
1639	__owur int SSL_CTX_use_serverinfo(SSL_CTX ctx, const unsigned char serverinfo,
1640	size_t serverinfo_length);
1641	__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1642	const unsigned char *serverinfo,
1643	size_t serverinfo_length);
1644	__owur int SSL_CTX_use_serverinfo_file(SSL_CTX ctx, const char file);
1645
1646	#ifndef OPENSSL_NO_DEPRECATED_3_0
1647	OSSL_DEPRECATEDIN_3_0
1648	__owur int SSL_use_RSAPrivateKey_file(SSL ssl, const char file, int type);
1649	#endif
1650
1651	__owur int SSL_use_PrivateKey_file(SSL ssl, const char file, int type);
1652	__owur int SSL_use_certificate_file(SSL ssl, const char file, int type);
1653
1654	#ifndef OPENSSL_NO_DEPRECATED_3_0
1655	OSSL_DEPRECATEDIN_3_0
1656	__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX ctx, const char file,
1657	int type);
1658	#endif
1659	__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX ctx, const char file,
1660	int type);
1661	__owur int SSL_CTX_use_certificate_file(SSL_CTX ctx, const char file,
1662	int type);
1663	/* PEM type */
1664	__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX ctx, const char file);
1665	__owur int SSL_use_certificate_chain_file(SSL ssl, const char file);
1666	__owur STACK_OF(X509_NAME) SSL_load_client_CA_file(const char file);
1667	__owur STACK_OF(X509_NAME)
1668	SSL_load_client_CA_file_ex(const char file, OSSL_LIB_CTX *libctx,
1669	const char *propq);
1670	__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1671	const char *file);
1672	int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1673	const char *dir);
1674	int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1675	const char *uri);
1676
1677	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1678	# define SSL_load_error_strings() \
1679	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1680	\| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1681	# endif
1682
1683	__owur const char SSL_state_string(const SSL s);
1684	__owur const char SSL_rstate_string(const SSL s);
1685	__owur const char SSL_state_string_long(const SSL s);
1686	__owur const char SSL_rstate_string_long(const SSL s);
1687	__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1688	__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1689	__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1690	__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1691	__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1692	__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1693
1694	__owur time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s);
1695	__owur time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t t);
1696
1697	__owur const char SSL_SESSION_get0_hostname(const SSL_SESSION s);
1698	__owur int SSL_SESSION_set1_hostname(SSL_SESSION s, const char hostname);
1699	void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1700	const unsigned char **alpn,
1701	size_t *len);
1702	__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1703	const unsigned char *alpn,
1704	size_t len);
1705	__owur const SSL_CIPHER SSL_SESSION_get0_cipher(const SSL_SESSION s);
1706	__owur int SSL_SESSION_set_cipher(SSL_SESSION s, const SSL_CIPHER cipher);
1707	__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1708	__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1709	void SSL_SESSION_get0_ticket(const SSL_SESSION s, const unsigned char *tick,
1710	size_t *len);
1711	__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1712	__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1713	uint32_t max_early_data);
1714	__owur int SSL_copy_session_id(SSL to, const SSL from);
1715	__owur X509 SSL_SESSION_get0_peer(SSL_SESSION s);
1716	__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1717	const unsigned char *sid_ctx,
1718	unsigned int sid_ctx_len);
1719	__owur int SSL_SESSION_set1_id(SSL_SESSION s, const unsigned char sid,
1720	unsigned int sid_len);
1721	__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1722
1723	__owur SSL_SESSION *SSL_SESSION_new(void);
1724	__owur SSL_SESSION SSL_SESSION_dup(const SSL_SESSION src);
1725	const unsigned char SSL_SESSION_get_id(const SSL_SESSION s,
1726	unsigned int *len);
1727	const unsigned char SSL_SESSION_get0_id_context(const SSL_SESSION s,
1728	unsigned int *len);
1729	__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1730	# ifndef OPENSSL_NO_STDIO
1731	int SSL_SESSION_print_fp(FILE fp, const SSL_SESSION ses);
1732	# endif
1733	int SSL_SESSION_print(BIO fp, const SSL_SESSION ses);
1734	int SSL_SESSION_print_keylog(BIO bp, const SSL_SESSION x);
1735	int SSL_SESSION_up_ref(SSL_SESSION *ses);
1736	void SSL_SESSION_free(SSL_SESSION *ses);
1737	__owur int i2d_SSL_SESSION(const SSL_SESSION in, unsigned char *pp);
1738	__owur int SSL_set_session(SSL to, SSL_SESSION session);
1739	int SSL_CTX_add_session(SSL_CTX ctx, SSL_SESSION session);
1740	int SSL_CTX_remove_session(SSL_CTX ctx, SSL_SESSION session);
1741	__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1742	__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1743	__owur int SSL_has_matching_session_id(const SSL *s,
1744	const unsigned char *id,
1745	unsigned int id_len);
1746	SSL_SESSION d2i_SSL_SESSION(SSL_SESSION a, const unsigned char *pp,
1747	long length);
1748	SSL_SESSION d2i_SSL_SESSION_ex(SSL_SESSION a, const unsigned char *pp,
1749	long length, OSSL_LIB_CTX *libctx,
1750	const char *propq);
1751
1752	# ifdef OPENSSL_X509_H
1753	__owur X509 SSL_get0_peer_certificate(const SSL s);
1754	__owur X509 SSL_get1_peer_certificate(const SSL s);
1755	/* Deprecated in 3.0.0 */
1756	# ifndef OPENSSL_NO_DEPRECATED_3_0
1757	# define SSL_get_peer_certificate SSL_get1_peer_certificate
1758	# endif
1759	# endif
1760
1761	__owur STACK_OF(X509) SSL_get_peer_cert_chain(const SSL s);
1762
1763	__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1764	__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1765	__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1766	void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1767	void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1768	void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1769	int (cb) (X509_STORE_CTX , void *),
1770	void *arg);
1771	void SSL_CTX_set_cert_cb(SSL_CTX c, int (cb) (SSL ssl, void arg),
1772	void *arg);
1773	# ifndef OPENSSL_NO_DEPRECATED_3_0
1774	OSSL_DEPRECATEDIN_3_0
1775	__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX ctx, RSA rsa);
1776	OSSL_DEPRECATEDIN_3_0
1777	__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX ctx, const unsigned char d,
1778	long len);
1779	# endif
1780	__owur int SSL_CTX_use_PrivateKey(SSL_CTX ctx, EVP_PKEY pkey);
1781	__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1782	const unsigned char *d, long len);
1783	__owur int SSL_CTX_use_certificate(SSL_CTX ctx, X509 x);
1784	__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1785	const unsigned char *d);
1786	__owur int SSL_CTX_use_cert_and_key(SSL_CTX ctx, X509 x509, EVP_PKEY *privatekey,
1787	STACK_OF(X509) *chain, int override);
1788
1789	void SSL_CTX_set_default_passwd_cb(SSL_CTX ctx, pem_password_cb cb);
1790	void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX ctx, void u);
1791	pem_password_cb SSL_CTX_get_default_passwd_cb(SSL_CTX ctx);
1792	void SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX ctx);
1793	void SSL_set_default_passwd_cb(SSL s, pem_password_cb cb);
1794	void SSL_set_default_passwd_cb_userdata(SSL s, void u);
1795	pem_password_cb SSL_get_default_passwd_cb(SSL s);
1796	void SSL_get_default_passwd_cb_userdata(SSL s);
1797
1798	__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1799	__owur int SSL_check_private_key(const SSL *ctx);
1800
1801	__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1802	const unsigned char *sid_ctx,
1803	unsigned int sid_ctx_len);
1804
1805	SSL SSL_new(SSL_CTX ctx);
1806	int SSL_up_ref(SSL *s);
1807	int SSL_is_dtls(const SSL *s);
1808	int SSL_is_tls(const SSL *s);
1809	int SSL_is_quic(const SSL *s);
1810	__owur int SSL_set_session_id_context(SSL ssl, const unsigned char sid_ctx,
1811	unsigned int sid_ctx_len);
1812
1813	__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1814	__owur int SSL_set_purpose(SSL *ssl, int purpose);
1815	__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1816	__owur int SSL_set_trust(SSL *ssl, int trust);
1817
1818	__owur int SSL_set1_host(SSL s, const char hostname);
1819	__owur int SSL_add1_host(SSL s, const char hostname);
1820	__owur const char SSL_get0_peername(SSL s);
1821	void SSL_set_hostflags(SSL *s, unsigned int flags);
1822
1823	__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1824	__owur int SSL_CTX_dane_mtype_set(SSL_CTX ctx, const EVP_MD md,
1825	uint8_t mtype, uint8_t ord);
1826	__owur int SSL_dane_enable(SSL s, const char basedomain);
1827	__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1828	uint8_t mtype, const unsigned char *data, size_t dlen);
1829	__owur int SSL_get0_dane_authority(SSL s, X509 mcert, EVP_PKEY *mspki);
1830	__owur int SSL_get0_dane_tlsa(SSL s, uint8_t usage, uint8_t *selector,
1831	uint8_t mtype, const unsigned char *data,
1832	size_t *dlen);
1833	/*
1834	* Bridge opacity barrier between libcrypt and libssl, also needed to support
1835	* offline testing in test/danetest.c
1836	*/
1837	SSL_DANE SSL_get0_dane(SSL ssl);
1838	/*
1839	* DANE flags
1840	*/
1841	unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1842	unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1843	unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1844	unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1845
1846	__owur int SSL_CTX_set1_param(SSL_CTX ctx, X509_VERIFY_PARAM vpm);
1847	__owur int SSL_set1_param(SSL ssl, X509_VERIFY_PARAM vpm);
1848
1849	__owur X509_VERIFY_PARAM SSL_CTX_get0_param(SSL_CTX ctx);
1850	__owur X509_VERIFY_PARAM SSL_get0_param(SSL ssl);
1851
1852	# ifndef OPENSSL_NO_SRP
1853	# ifndef OPENSSL_NO_DEPRECATED_3_0
1854	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX ctx, char name);
1855	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX ctx, char password);
1856	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1857	OSSL_DEPRECATEDIN_3_0
1858	int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1859	char (cb) (SSL , void ));
1860	OSSL_DEPRECATEDIN_3_0
1861	int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1862	int (cb) (SSL , void *));
1863	OSSL_DEPRECATEDIN_3_0
1864	int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1865	int (cb) (SSL , int , void ));
1866	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX ctx, void arg);
1867
1868	OSSL_DEPRECATEDIN_3_0
1869	int SSL_set_srp_server_param(SSL s, const BIGNUM N, const BIGNUM *g,
1870	BIGNUM sa, BIGNUM v, char *info);
1871	OSSL_DEPRECATEDIN_3_0
1872	int SSL_set_srp_server_param_pw(SSL s, const char user, const char *pass,
1873	const char *grp);
1874
1875	OSSL_DEPRECATEDIN_3_0 __owur BIGNUM SSL_get_srp_g(SSL s);
1876	OSSL_DEPRECATEDIN_3_0 __owur BIGNUM SSL_get_srp_N(SSL s);
1877
1878	OSSL_DEPRECATEDIN_3_0 __owur char SSL_get_srp_username(SSL s);
1879	OSSL_DEPRECATEDIN_3_0 __owur char SSL_get_srp_userinfo(SSL s);
1880	# endif
1881	# endif
1882
1883	/*
1884	* ClientHello callback and helpers.
1885	*/
1886
1887	# define SSL_CLIENT_HELLO_SUCCESS 1
1888	# define SSL_CLIENT_HELLO_ERROR 0
1889	# define SSL_CLIENT_HELLO_RETRY (-1)
1890
1891	typedef int (SSL_client_hello_cb_fn) (SSL s, int al, void arg);
1892	void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1893	void *arg);
1894	int SSL_client_hello_isv2(SSL *s);
1895	unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1896	size_t SSL_client_hello_get0_random(SSL s, const unsigned char *out);
1897	size_t SSL_client_hello_get0_session_id(SSL s, const unsigned char *out);
1898	size_t SSL_client_hello_get0_ciphers(SSL s, const unsigned char *out);
1899	size_t SSL_client_hello_get0_compression_methods(SSL *s,
1900	const unsigned char **out);
1901	int SSL_client_hello_get1_extensions_present(SSL s, int out, size_t outlen);
1902	int SSL_client_hello_get_extension_order(SSL s, uint16_t exts,
1903	size_t *num_exts);
1904	int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1905	const unsigned char *out, size_t outlen);
1906
1907	void SSL_certs_clear(SSL *s);
1908	void SSL_free(SSL *ssl);
1909	# ifdef OSSL_ASYNC_FD
1910	/*
1911	* Windows application developer has to include windows.h to use these.
1912	*/
1913	__owur int SSL_waiting_for_async(SSL *s);
1914	__owur int SSL_get_all_async_fds(SSL s, OSSL_ASYNC_FD fds, size_t *numfds);
1915	__owur int SSL_get_changed_async_fds(SSL s, OSSL_ASYNC_FD addfd,
1916	size_t numaddfds, OSSL_ASYNC_FD delfd,
1917	size_t *numdelfds);
1918	__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1919	__owur int SSL_CTX_set_async_callback_arg(SSL_CTX ctx, void arg);
1920	__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1921	__owur int SSL_set_async_callback_arg(SSL s, void arg);
1922	__owur int SSL_get_async_status(SSL s, int status);
1923
1924	# endif
1925	__owur int SSL_accept(SSL *ssl);
1926	__owur int SSL_stateless(SSL *s);
1927	__owur int SSL_connect(SSL *ssl);
1928	__owur int SSL_read(SSL ssl, void buf, int num);
1929	__owur int SSL_read_ex(SSL ssl, void buf, size_t num, size_t *readbytes);
1930
1931	# define SSL_READ_EARLY_DATA_ERROR 0
1932	# define SSL_READ_EARLY_DATA_SUCCESS 1
1933	# define SSL_READ_EARLY_DATA_FINISH 2
1934
1935	__owur int SSL_read_early_data(SSL s, void buf, size_t num,
1936	size_t *readbytes);
1937	__owur int SSL_peek(SSL ssl, void buf, int num);
1938	__owur int SSL_peek_ex(SSL ssl, void buf, size_t num, size_t *readbytes);
1939	__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1940	int flags);
1941	__owur int SSL_write(SSL ssl, const void buf, int num);
1942	__owur int SSL_write_ex(SSL s, const void buf, size_t num, size_t *written);
1943	__owur int SSL_write_early_data(SSL s, const void buf, size_t num,
1944	size_t *written);
1945	long SSL_ctrl(SSL ssl, int cmd, long larg, void parg);
1946	long SSL_callback_ctrl(SSL , int, void ()(void));
1947	long SSL_CTX_ctrl(SSL_CTX ctx, int cmd, long larg, void parg);
1948	long SSL_CTX_callback_ctrl(SSL_CTX , int, void ()(void));
1949
1950	# define SSL_WRITE_FLAG_CONCLUDE (1U << 0)
1951
1952	__owur int SSL_write_ex2(SSL s, const void buf, size_t num,
1953	uint64_t flags,
1954	size_t *written);
1955
1956	# define SSL_EARLY_DATA_NOT_SENT 0
1957	# define SSL_EARLY_DATA_REJECTED 1
1958	# define SSL_EARLY_DATA_ACCEPTED 2
1959
1960	__owur int SSL_get_early_data_status(const SSL *s);
1961
1962	__owur int SSL_get_error(const SSL *s, int ret_code);
1963	__owur const char SSL_get_version(const SSL s);
1964	__owur int SSL_get_handshake_rtt(const SSL s, uint64_t rtt);
1965
1966	/* This sets the 'default' SSL version that SSL_new() will create */
1967	# ifndef OPENSSL_NO_DEPRECATED_3_0
1968	OSSL_DEPRECATEDIN_3_0
1969	__owur int SSL_CTX_set_ssl_version(SSL_CTX ctx, const SSL_METHOD meth);
1970	# endif
1971
1972	# ifndef OPENSSL_NO_SSL3_METHOD
1973	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1974	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD SSLv3_method(void); / SSLv3 */
1975	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
1976	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
1977	# endif
1978	# endif
1979
1980	#define SSLv23_method TLS_method
1981	#define SSLv23_server_method TLS_server_method
1982	#define SSLv23_client_method TLS_client_method
1983
1984	/* Negotiate highest available SSL/TLS version */
1985	__owur const SSL_METHOD *TLS_method(void);
1986	__owur const SSL_METHOD *TLS_server_method(void);
1987	__owur const SSL_METHOD *TLS_client_method(void);
1988
1989	# ifndef OPENSSL_NO_TLS1_METHOD
1990	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1991	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_method(void); / TLSv1.0 */
1992	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
1993	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
1994	# endif
1995	# endif
1996
1997	# ifndef OPENSSL_NO_TLS1_1_METHOD
1998	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1999	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_1_method(void); / TLSv1.1 */
2000	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
2001	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
2002	# endif
2003	# endif
2004
2005	# ifndef OPENSSL_NO_TLS1_2_METHOD
2006	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2007	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_2_method(void); / TLSv1.2 */
2008	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
2009	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
2010	# endif
2011	# endif
2012
2013	# ifndef OPENSSL_NO_DTLS1_METHOD
2014	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2015	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD DTLSv1_method(void); / DTLSv1.0 */
2016	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
2017	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
2018	# endif
2019	# endif
2020
2021	# ifndef OPENSSL_NO_DTLS1_2_METHOD
2022	/* DTLSv1.2 */
2023	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2024	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
2025	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
2026	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
2027	# endif
2028	# endif
2029
2030	__owur const SSL_METHOD DTLS_method(void); / DTLS 1.0 and 1.2 */
2031	__owur const SSL_METHOD DTLS_server_method(void); / DTLS 1.0 and 1.2 */
2032	__owur const SSL_METHOD DTLS_client_method(void); / DTLS 1.0 and 1.2 */
2033
2034	__owur size_t DTLS_get_data_mtu(const SSL *s);
2035
2036	__owur STACK_OF(SSL_CIPHER) SSL_get_ciphers(const SSL s);
2037	__owur STACK_OF(SSL_CIPHER) SSL_CTX_get_ciphers(const SSL_CTX ctx);
2038	__owur STACK_OF(SSL_CIPHER) SSL_get_client_ciphers(const SSL s);
2039	__owur STACK_OF(SSL_CIPHER) SSL_get1_supported_ciphers(SSL s);
2040
2041	__owur int SSL_do_handshake(SSL *s);
2042	int SSL_key_update(SSL *s, int updatetype);
2043	int SSL_get_key_update_type(const SSL *s);
2044	int SSL_renegotiate(SSL *s);
2045	int SSL_renegotiate_abbreviated(SSL *s);
2046	__owur int SSL_renegotiate_pending(const SSL *s);
2047	int SSL_new_session_ticket(SSL *s);
2048	int SSL_shutdown(SSL *s);
2049	__owur int SSL_verify_client_post_handshake(SSL *s);
2050	void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2051	void SSL_set_post_handshake_auth(SSL *s, int val);
2052
2053	__owur const SSL_METHOD SSL_CTX_get_ssl_method(const SSL_CTX ctx);
2054	__owur const SSL_METHOD SSL_get_ssl_method(const SSL s);
2055	__owur int SSL_set_ssl_method(SSL s, const SSL_METHOD method);
2056	__owur const char *SSL_alert_type_string_long(int value);
2057	__owur const char *SSL_alert_type_string(int value);
2058	__owur const char *SSL_alert_desc_string_long(int value);
2059	__owur const char *SSL_alert_desc_string(int value);
2060
2061	void SSL_set0_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
2062	void SSL_CTX_set0_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
2063	__owur const STACK_OF(X509_NAME) SSL_get0_CA_list(const SSL s);
2064	__owur const STACK_OF(X509_NAME) SSL_CTX_get0_CA_list(const SSL_CTX ctx);
2065	__owur int SSL_add1_to_CA_list(SSL ssl, const X509 x);
2066	__owur int SSL_CTX_add1_to_CA_list(SSL_CTX ctx, const X509 x);
2067	__owur const STACK_OF(X509_NAME) SSL_get0_peer_CA_list(const SSL s);
2068
2069	void SSL_set_client_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
2070	void SSL_CTX_set_client_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
2071	__owur STACK_OF(X509_NAME) SSL_get_client_CA_list(const SSL s);
2072	__owur STACK_OF(X509_NAME) SSL_CTX_get_client_CA_list(const SSL_CTX s);
2073	__owur int SSL_add_client_CA(SSL ssl, X509 x);
2074	__owur int SSL_CTX_add_client_CA(SSL_CTX ctx, X509 x);
2075
2076	void SSL_set_connect_state(SSL *s);
2077	void SSL_set_accept_state(SSL *s);
2078
2079	__owur long SSL_get_default_timeout(const SSL *s);
2080
2081	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2082	# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2083	# endif
2084
2085	__owur char SSL_CIPHER_description(const SSL_CIPHER , char *buf, int size);
2086	__owur STACK_OF(X509_NAME) SSL_dup_CA_list(const STACK_OF(X509_NAME) sk);
2087
2088	__owur SSL SSL_dup(SSL ssl);
2089
2090	__owur X509 SSL_get_certificate(const SSL ssl);
2091	/*
2092	* EVP_PKEY
2093	*/
2094	struct evp_pkey_st SSL_get_privatekey(const SSL ssl);
2095
2096	__owur X509 SSL_CTX_get0_certificate(const SSL_CTX ctx);
2097	__owur EVP_PKEY SSL_CTX_get0_privatekey(const SSL_CTX ctx);
2098
2099	void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2100	__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2101	void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2102	__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2103	void SSL_set_shutdown(SSL *ssl, int mode);
2104	__owur int SSL_get_shutdown(const SSL *ssl);
2105	__owur int SSL_version(const SSL *ssl);
2106	__owur int SSL_client_version(const SSL *s);
2107	__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2108	__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2109	__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2110	__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2111	__owur int SSL_CTX_load_verify_file(SSL_CTX ctx, const char CAfile);
2112	__owur int SSL_CTX_load_verify_dir(SSL_CTX ctx, const char CApath);
2113	__owur int SSL_CTX_load_verify_store(SSL_CTX ctx, const char CAstore);
2114	__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2115	const char *CAfile,
2116	const char *CApath);
2117	# define SSL_get0_session SSL_get_session/* just peek at pointer */
2118	__owur SSL_SESSION SSL_get_session(const SSL ssl);
2119	__owur SSL_SESSION SSL_get1_session(SSL ssl); /* obtain a reference count */
2120	__owur SSL_CTX SSL_get_SSL_CTX(const SSL ssl);
2121	SSL_CTX SSL_set_SSL_CTX(SSL ssl, SSL_CTX *ctx);
2122	void SSL_set_info_callback(SSL *ssl,
2123	void (cb) (const SSL ssl, int type, int val));
2124	void (SSL_get_info_callback(const SSL ssl)) (const SSL *ssl, int type,
2125	int val);
2126	__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2127
2128	void SSL_set_verify_result(SSL *ssl, long v);
2129	__owur long SSL_get_verify_result(const SSL *ssl);
2130	__owur STACK_OF(X509) SSL_get0_verified_chain(const SSL s);
2131
2132	__owur size_t SSL_get_client_random(const SSL ssl, unsigned char out,
2133	size_t outlen);
2134	__owur size_t SSL_get_server_random(const SSL ssl, unsigned char out,
2135	size_t outlen);
2136	__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2137	unsigned char *out, size_t outlen);
2138	__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2139	const unsigned char *in, size_t len);
2140	uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2141
2142	#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2143	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2144	__owur int SSL_set_ex_data(SSL ssl, int idx, void data);
2145	void SSL_get_ex_data(const SSL ssl, int idx);
2146	#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2147	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2148	__owur int SSL_SESSION_set_ex_data(SSL_SESSION ss, int idx, void data);
2149	void SSL_SESSION_get_ex_data(const SSL_SESSION ss, int idx);
2150	#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2151	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2152	__owur int SSL_CTX_set_ex_data(SSL_CTX ssl, int idx, void data);
2153	void SSL_CTX_get_ex_data(const SSL_CTX ssl, int idx);
2154
2155	__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2156
2157	# define SSL_CTX_sess_set_cache_size(ctx,t) \
2158	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2159	# define SSL_CTX_sess_get_cache_size(ctx) \
2160	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2161	# define SSL_CTX_set_session_cache_mode(ctx,m) \
2162	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2163	# define SSL_CTX_get_session_cache_mode(ctx) \
2164	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2165
2166	# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2167	# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2168	# define SSL_CTX_get_read_ahead(ctx) \
2169	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2170	# define SSL_CTX_set_read_ahead(ctx,m) \
2171	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2172	# define SSL_CTX_get_max_cert_list(ctx) \
2173	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2174	# define SSL_CTX_set_max_cert_list(ctx,m) \
2175	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2176	# define SSL_get_max_cert_list(ssl) \
2177	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2178	# define SSL_set_max_cert_list(ssl,m) \
2179	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2180
2181	# define SSL_CTX_set_max_send_fragment(ctx,m) \
2182	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2183	# define SSL_set_max_send_fragment(ssl,m) \
2184	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2185	# define SSL_CTX_set_split_send_fragment(ctx,m) \
2186	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2187	# define SSL_set_split_send_fragment(ssl,m) \
2188	SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2189	# define SSL_CTX_set_max_pipelines(ctx,m) \
2190	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2191	# define SSL_set_max_pipelines(ssl,m) \
2192	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2193	# define SSL_set_retry_verify(ssl) \
2194	(SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2195
2196	void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2197	void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2198
2199	# ifndef OPENSSL_NO_DH
2200	# ifndef OPENSSL_NO_DEPRECATED_3_0
2201	/* NB: the \|keylength\| is only applicable when is_export is true */
2202	OSSL_DEPRECATEDIN_3_0
2203	void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2204	DH (dh) (SSL *ssl, int is_export,
2205	int keylength));
2206	OSSL_DEPRECATEDIN_3_0
2207	void SSL_set_tmp_dh_callback(SSL *ssl,
2208	DH (dh) (SSL *ssl, int is_export,
2209	int keylength));
2210	# endif
2211	# endif
2212
2213	__owur const COMP_METHOD SSL_get_current_compression(const SSL s);
2214	__owur const COMP_METHOD SSL_get_current_expansion(const SSL s);
2215	__owur const char SSL_COMP_get_name(const COMP_METHOD comp);
2216	__owur const char SSL_COMP_get0_name(const SSL_COMP comp);
2217	__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2218	STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2219	__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2220	*meths);
2221	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2222	# define SSL_COMP_free_compression_methods() while(0) continue
2223	# endif
2224	__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2225
2226	const SSL_CIPHER SSL_CIPHER_find(SSL ssl, const unsigned char *ptr);
2227	int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2228	int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2229	int SSL_bytes_to_cipher_list(SSL s, const unsigned char bytes, size_t len,
2230	int isv2format, STACK_OF(SSL_CIPHER) **sk,
2231	STACK_OF(SSL_CIPHER) **scsvs);
2232
2233	/* TLS extensions functions */
2234	__owur int SSL_set_session_ticket_ext(SSL s, void ext_data, int ext_len);
2235
2236	__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2237	tls_session_ticket_ext_cb_fn cb,
2238	void *arg);
2239
2240	/* Pre-shared secret session resumption functions */
2241	__owur int SSL_set_session_secret_cb(SSL *s,
2242	tls_session_secret_cb_fn session_secret_cb,
2243	void *arg);
2244
2245	void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2246	int (cb) (SSL ssl,
2247	int
2248	is_forward_secure));
2249
2250	void SSL_set_not_resumable_session_callback(SSL *ssl,
2251	int (cb) (SSL ssl,
2252	int is_forward_secure));
2253
2254	void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2255	size_t (cb) (SSL ssl, int type,
2256	size_t len, void *arg));
2257	void SSL_CTX_set_record_padding_callback_arg(SSL_CTX ctx, void arg);
2258	void SSL_CTX_get_record_padding_callback_arg(const SSL_CTX ctx);
2259	int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2260
2261	int SSL_set_record_padding_callback(SSL *ssl,
2262	size_t (cb) (SSL ssl, int type,
2263	size_t len, void *arg));
2264	void SSL_set_record_padding_callback_arg(SSL ssl, void arg);
2265	void SSL_get_record_padding_callback_arg(const SSL ssl);
2266	int SSL_set_block_padding(SSL *ssl, size_t block_size);
2267
2268	int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2269	size_t SSL_get_num_tickets(const SSL *s);
2270	int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2271	size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2272
2273	/* QUIC support */
2274	int SSL_handle_events(SSL *s);
2275	__owur int SSL_get_event_timeout(SSL s, struct timeval tv, int *is_infinite);
2276	__owur int SSL_get_rpoll_descriptor(SSL s, BIO_POLL_DESCRIPTOR desc);
2277	__owur int SSL_get_wpoll_descriptor(SSL s, BIO_POLL_DESCRIPTOR desc);
2278	__owur int SSL_net_read_desired(SSL *s);
2279	__owur int SSL_net_write_desired(SSL *s);
2280	__owur int SSL_set_blocking_mode(SSL *s, int blocking);
2281	__owur int SSL_get_blocking_mode(SSL *s);
2282	__owur int SSL_set1_initial_peer_addr(SSL s, const BIO_ADDR peer_addr);
2283	__owur SSL SSL_get0_connection(SSL s);
2284	__owur int SSL_is_connection(SSL *s);
2285
2286	#define SSL_STREAM_TYPE_NONE 0
2287	#define SSL_STREAM_TYPE_READ (1U << 0)
2288	#define SSL_STREAM_TYPE_WRITE (1U << 1)
2289	#define SSL_STREAM_TYPE_BIDI (SSL_STREAM_TYPE_READ \| SSL_STREAM_TYPE_WRITE)
2290	__owur int SSL_get_stream_type(SSL *s);
2291
2292	__owur uint64_t SSL_get_stream_id(SSL *s);
2293	__owur int SSL_is_stream_local(SSL *s);
2294
2295	#define SSL_DEFAULT_STREAM_MODE_NONE 0
2296	#define SSL_DEFAULT_STREAM_MODE_AUTO_BIDI 1
2297	#define SSL_DEFAULT_STREAM_MODE_AUTO_UNI 2
2298	__owur int SSL_set_default_stream_mode(SSL *s, uint32_t mode);
2299
2300	#define SSL_STREAM_FLAG_UNI (1U << 0)
2301	#define SSL_STREAM_FLAG_NO_BLOCK (1U << 1)
2302	#define SSL_STREAM_FLAG_ADVANCE (1U << 2)
2303	__owur SSL SSL_new_stream(SSL s, uint64_t flags);
2304
2305	#define SSL_INCOMING_STREAM_POLICY_AUTO 0
2306	#define SSL_INCOMING_STREAM_POLICY_ACCEPT 1
2307	#define SSL_INCOMING_STREAM_POLICY_REJECT 2
2308	__owur int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec);
2309
2310	#define SSL_ACCEPT_STREAM_NO_BLOCK (1U << 0)
2311	__owur SSL SSL_accept_stream(SSL s, uint64_t flags);
2312	__owur size_t SSL_get_accept_stream_queue_len(SSL *s);
2313
2314	# ifndef OPENSSL_NO_QUIC
2315	__owur int SSL_inject_net_dgram(SSL s, const unsigned char buf,
2316	size_t buf_len,
2317	const BIO_ADDR *peer,
2318	const BIO_ADDR *local);
2319	# endif
2320
2321	typedef struct ssl_shutdown_ex_args_st {
2322	uint64_t quic_error_code;
2323	const char *quic_reason;
2324	} SSL_SHUTDOWN_EX_ARGS;
2325
2326	#define SSL_SHUTDOWN_FLAG_RAPID (1U << 0)
2327	#define SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH (1U << 1)
2328	#define SSL_SHUTDOWN_FLAG_NO_BLOCK (1U << 2)
2329	#define SSL_SHUTDOWN_FLAG_WAIT_PEER (1U << 3)
2330
2331	__owur int SSL_shutdown_ex(SSL *ssl, uint64_t flags,
2332	const SSL_SHUTDOWN_EX_ARGS *args,
2333	size_t args_len);
2334
2335	__owur int SSL_stream_conclude(SSL *ssl, uint64_t flags);
2336
2337	typedef struct ssl_stream_reset_args_st {
2338	uint64_t quic_error_code;
2339	} SSL_STREAM_RESET_ARGS;
2340
2341	__owur int SSL_stream_reset(SSL *ssl,
2342	const SSL_STREAM_RESET_ARGS *args,
2343	size_t args_len);
2344
2345	#define SSL_STREAM_STATE_NONE 0
2346	#define SSL_STREAM_STATE_OK 1
2347	#define SSL_STREAM_STATE_WRONG_DIR 2
2348	#define SSL_STREAM_STATE_FINISHED 3
2349	#define SSL_STREAM_STATE_RESET_LOCAL 4
2350	#define SSL_STREAM_STATE_RESET_REMOTE 5
2351	#define SSL_STREAM_STATE_CONN_CLOSED 6
2352	__owur int SSL_get_stream_read_state(SSL *ssl);
2353	__owur int SSL_get_stream_write_state(SSL *ssl);
2354
2355	__owur int SSL_get_stream_read_error_code(SSL ssl, uint64_t app_error_code);
2356	__owur int SSL_get_stream_write_error_code(SSL ssl, uint64_t app_error_code);
2357
2358	#define SSL_CONN_CLOSE_FLAG_LOCAL (1U << 0)
2359	#define SSL_CONN_CLOSE_FLAG_TRANSPORT (1U << 1)
2360
2361	typedef struct ssl_conn_close_info_st {
2362	uint64_t error_code, frame_type;
2363	const char *reason;
2364	size_t reason_len;
2365	uint32_t flags;
2366	} SSL_CONN_CLOSE_INFO;
2367
2368	__owur int SSL_get_conn_close_info(SSL *ssl,
2369	SSL_CONN_CLOSE_INFO *info,
2370	size_t info_len);
2371
2372	# define SSL_VALUE_CLASS_GENERIC 0
2373	# define SSL_VALUE_CLASS_FEATURE_REQUEST 1
2374	# define SSL_VALUE_CLASS_FEATURE_PEER_REQUEST 2
2375	# define SSL_VALUE_CLASS_FEATURE_NEGOTIATED 3
2376
2377	# define SSL_VALUE_NONE 0
2378	# define SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL 1
2379	# define SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL 2
2380	# define SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL 3
2381	# define SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL 4
2382	# define SSL_VALUE_QUIC_IDLE_TIMEOUT 5
2383	# define SSL_VALUE_EVENT_HANDLING_MODE 6
2384	# define SSL_VALUE_STREAM_WRITE_BUF_SIZE 7
2385	# define SSL_VALUE_STREAM_WRITE_BUF_USED 8
2386	# define SSL_VALUE_STREAM_WRITE_BUF_AVAIL 9
2387
2388	# define SSL_VALUE_EVENT_HANDLING_MODE_INHERIT 0
2389	# define SSL_VALUE_EVENT_HANDLING_MODE_IMPLICIT 1
2390	# define SSL_VALUE_EVENT_HANDLING_MODE_EXPLICIT 2
2391
2392	int SSL_get_value_uint(SSL s, uint32_t class_, uint32_t id, uint64_t v);
2393	int SSL_set_value_uint(SSL *s, uint32_t class_, uint32_t id, uint64_t v);
2394
2395	# define SSL_get_generic_value_uint(ssl, id, v) \
2396	SSL_get_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2397	# define SSL_set_generic_value_uint(ssl, id, v) \
2398	SSL_set_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2399	# define SSL_get_feature_request_uint(ssl, id, v) \
2400	SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2401	# define SSL_set_feature_request_uint(ssl, id, v) \
2402	SSL_set_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2403	# define SSL_get_feature_peer_request_uint(ssl, id, v) \
2404	SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_PEER_REQUEST, (id), (v))
2405	# define SSL_get_feature_negotiated_uint(ssl, id, v) \
2406	SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_NEGOTIATED, (id), (v))
2407
2408	# define SSL_get_quic_stream_bidi_local_avail(ssl, value) \
2409	SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL, \
2410	(value))
2411	# define SSL_get_quic_stream_bidi_remote_avail(ssl, value) \
2412	SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL, \
2413	(value))
2414	# define SSL_get_quic_stream_uni_local_avail(ssl, value) \
2415	SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL, \
2416	(value))
2417	# define SSL_get_quic_stream_uni_remote_avail(ssl, value) \
2418	SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL, \
2419	(value))
2420
2421	# define SSL_get_event_handling_mode(ssl, value) \
2422	SSL_get_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2423	(value))
2424	# define SSL_set_event_handling_mode(ssl, value) \
2425	SSL_set_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2426	(value))
2427
2428	# define SSL_get_stream_write_buf_size(ssl, value) \
2429	SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_SIZE, \
2430	(value))
2431	# define SSL_get_stream_write_buf_used(ssl, value) \
2432	SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_USED, \
2433	(value))
2434	# define SSL_get_stream_write_buf_avail(ssl, value) \
2435	SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_AVAIL, \
2436	(value))
2437
2438	# define SSL_POLL_EVENT_NONE 0
2439
2440	# define SSL_POLL_EVENT_F (1U << 0) /* F (Failure) */
2441	# define SSL_POLL_EVENT_EL (1U << 1) /* EL (Exception on Listener) */
2442	# define SSL_POLL_EVENT_EC (1U << 2) /* EC (Exception on Conn) */
2443	# define SSL_POLL_EVENT_ECD (1U << 3) /* ECD (Exception on Conn Drained) */
2444	# define SSL_POLL_EVENT_ER (1U << 4) /* ER (Exception on Read) */
2445	# define SSL_POLL_EVENT_EW (1U << 5) /* EW (Exception on Write) */
2446	# define SSL_POLL_EVENT_R (1U << 6) /* R (Readable) */
2447	# define SSL_POLL_EVENT_W (1U << 7) /* W (Writable) */
2448	# define SSL_POLL_EVENT_IC (1U << 8) /* IC (Incoming Connection) */
2449	# define SSL_POLL_EVENT_ISB (1U << 9) /* ISB (Incoming Stream: Bidi) */
2450	# define SSL_POLL_EVENT_ISU (1U << 10) /* ISU (Incoming Stream: Uni) */
2451	# define SSL_POLL_EVENT_OSB (1U << 11) /* OSB (Outgoing Stream: Bidi) */
2452	# define SSL_POLL_EVENT_OSU (1U << 12) /* OSU (Outgoing Stream: Uni) */
2453
2454	# define SSL_POLL_EVENT_RW (SSL_POLL_EVENT_R \| SSL_POLL_EVENT_W)
2455	# define SSL_POLL_EVENT_RE (SSL_POLL_EVENT_R \| SSL_POLL_EVENT_ER)
2456	# define SSL_POLL_EVENT_WE (SSL_POLL_EVENT_W \| SSL_POLL_EVENT_EW)
2457	# define SSL_POLL_EVENT_RWE (SSL_POLL_EVENT_RE \| SSL_POLL_EVENT_WE)
2458	# define SSL_POLL_EVENT_E (SSL_POLL_EVENT_EL \| SSL_POLL_EVENT_EC \
2459	\| SSL_POLL_EVENT_ER \| SSL_POLL_EVENT_EW)
2460	# define SSL_POLL_EVENT_IS (SSL_POLL_EVENT_ISB \| SSL_POLL_EVENT_ISU)
2461	# define SSL_POLL_EVENT_ISE (SSL_POLL_EVENT_IS \| SSL_POLL_EVENT_EC)
2462	# define SSL_POLL_EVENT_I (SSL_POLL_EVENT_IS \| SSL_POLL_EVENT_IC)
2463	# define SSL_POLL_EVENT_OS (SSL_POLL_EVENT_OSB \| SSL_POLL_EVENT_OSU)
2464	# define SSL_POLL_EVENT_OSE (SSL_POLL_EVENT_OS \| SSL_POLL_EVENT_EC)
2465
2466	typedef struct ssl_poll_item_st {
2467	BIO_POLL_DESCRIPTOR desc;
2468	uint64_t events, revents;
2469	} SSL_POLL_ITEM;
2470
2471	# define SSL_POLL_FLAG_NO_HANDLE_EVENTS (1U << 0)
2472
2473	__owur int SSL_poll(SSL_POLL_ITEM *items,
2474	size_t num_items,
2475	size_t stride,
2476	const struct timeval *timeout,
2477	uint64_t flags,
2478	size_t *result_count);
2479
2480	static ossl_inline ossl_unused BIO_POLL_DESCRIPTOR
2481	SSL_as_poll_descriptor(SSL *s)
2482	{
2483	BIO_POLL_DESCRIPTOR d;
2484
2485	d.type = BIO_POLL_DESCRIPTOR_TYPE_SSL;
2486	d.value.ssl = s;
2487	return d;
2488	}
2489
2490	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2491	# define SSL_cache_hit(s) SSL_session_reused(s)
2492	# endif
2493
2494	__owur int SSL_session_reused(const SSL *s);
2495	__owur int SSL_is_server(const SSL *s);
2496
2497	__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2498	int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2499	void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2500	unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2501	__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2502	unsigned int flags);
2503	__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX cctx, const char pre);
2504
2505	void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX cctx, SSL ssl);
2506	void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX cctx, SSL_CTX ctx);
2507
2508	__owur int SSL_CONF_cmd(SSL_CONF_CTX cctx, const char cmd, const char *value);
2509	__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX cctx, int pargc, char ***pargv);
2510	__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX cctx, const char cmd);
2511
2512	void SSL_add_ssl_module(void);
2513	int SSL_config(SSL s, const char name);
2514	int SSL_CTX_config(SSL_CTX ctx, const char name);
2515
2516	# ifndef OPENSSL_NO_SSL_TRACE
2517	void SSL_trace(int write_p, int version, int content_type,
2518	const void buf, size_t len, SSL ssl, void *arg);
2519	# endif
2520
2521	# ifndef OPENSSL_NO_SOCK
2522	int DTLSv1_listen(SSL s, BIO_ADDR client);
2523	# endif
2524
2525	# ifndef OPENSSL_NO_CT
2526
2527	/*
2528	* A callback for verifying that the received SCTs are sufficient.
2529	* Expected to return 1 if they are sufficient, otherwise 0.
2530	* May return a negative integer if an error occurs.
2531	* A connection should be aborted if the SCTs are deemed insufficient.
2532	*/
2533	typedef int (ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX ctx,
2534	const STACK_OF(SCT) scts, void arg);
2535
2536	/*
2537	* Sets a \|callback\| that is invoked upon receipt of ServerHelloDone to validate
2538	* the received SCTs.
2539	* If the callback returns a non-positive result, the connection is terminated.
2540	* Call this function before beginning a handshake.
2541	* If a NULL \|callback\| is provided, SCT validation is disabled.
2542	* \|arg\| is arbitrary userdata that will be passed to the callback whenever it
2543	* is invoked. Ownership of \|arg\| remains with the caller.
2544	*
2545	* NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2546	* will be requested.
2547	*/
2548	int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2549	void *arg);
2550	int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2551	ssl_ct_validation_cb callback,
2552	void *arg);
2553	#define SSL_disable_ct(s) \
2554	((void) SSL_set_validation_callback((s), NULL, NULL))
2555	#define SSL_CTX_disable_ct(ctx) \
2556	((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2557
2558	/*
2559	* The validation type enumerates the available behaviours of the built-in SSL
2560	* CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2561	* The underlying callback is a static function in libssl.
2562	*/
2563	enum {
2564	SSL_CT_VALIDATION_PERMISSIVE = 0,
2565	SSL_CT_VALIDATION_STRICT
2566	};
2567
2568	/*
2569	* Enable CT by setting up a callback that implements one of the built-in
2570	* validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2571	* continues the handshake, the application can make appropriate decisions at
2572	* handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2573	* least one valid SCT, or else handshake termination will be requested. The
2574	* handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2575	*/
2576	int SSL_enable_ct(SSL *s, int validation_mode);
2577	int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2578
2579	/*
2580	* Report whether a non-NULL callback is enabled.
2581	*/
2582	int SSL_ct_is_enabled(const SSL *s);
2583	int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2584
2585	/* Gets the SCTs received from a connection */
2586	const STACK_OF(SCT) SSL_get0_peer_scts(SSL s);
2587
2588	/*
2589	* Loads the CT log list from the default location.
2590	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2591	* the log information loaded from this file will be appended to the
2592	* CTLOG_STORE.
2593	* Returns 1 on success, 0 otherwise.
2594	*/
2595	int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2596
2597	/*
2598	* Loads the CT log list from the specified file path.
2599	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2600	* the log information loaded from this file will be appended to the
2601	* CTLOG_STORE.
2602	* Returns 1 on success, 0 otherwise.
2603	*/
2604	int SSL_CTX_set_ctlog_list_file(SSL_CTX ctx, const char path);
2605
2606	/*
2607	* Sets the CT log list used by all SSL connections created from this SSL_CTX.
2608	* Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2609	*/
2610	void SSL_CTX_set0_ctlog_store(SSL_CTX ctx, CTLOG_STORE logs);
2611
2612	/*
2613	* Gets the CT log list used by all SSL connections created from this SSL_CTX.
2614	* This will be NULL unless one of the following functions has been called:
2615	* - SSL_CTX_set_default_ctlog_list_file
2616	* - SSL_CTX_set_ctlog_list_file
2617	* - SSL_CTX_set_ctlog_store
2618	*/
2619	const CTLOG_STORE SSL_CTX_get0_ctlog_store(const SSL_CTX ctx);
2620
2621	# endif /* OPENSSL_NO_CT */
2622
2623	/* What the "other" parameter contains in security callback */
2624	/* Mask for type */
2625	# define SSL_SECOP_OTHER_TYPE 0xffff0000
2626	# define SSL_SECOP_OTHER_NONE 0
2627	# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2628	# define SSL_SECOP_OTHER_CURVE (2 << 16)
2629	# define SSL_SECOP_OTHER_DH (3 << 16)
2630	# define SSL_SECOP_OTHER_PKEY (4 << 16)
2631	# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2632	# define SSL_SECOP_OTHER_CERT (6 << 16)
2633
2634	/* Indicated operation refers to peer key or certificate */
2635	# define SSL_SECOP_PEER 0x1000
2636
2637	/* Values for "op" parameter in security callback */
2638
2639	/* Called to filter ciphers */
2640	/* Ciphers client supports */
2641	# define SSL_SECOP_CIPHER_SUPPORTED (1 \| SSL_SECOP_OTHER_CIPHER)
2642	/* Cipher shared by client/server */
2643	# define SSL_SECOP_CIPHER_SHARED (2 \| SSL_SECOP_OTHER_CIPHER)
2644	/* Sanity check of cipher server selects */
2645	# define SSL_SECOP_CIPHER_CHECK (3 \| SSL_SECOP_OTHER_CIPHER)
2646	/* Curves supported by client */
2647	# define SSL_SECOP_CURVE_SUPPORTED (4 \| SSL_SECOP_OTHER_CURVE)
2648	/* Curves shared by client/server */
2649	# define SSL_SECOP_CURVE_SHARED (5 \| SSL_SECOP_OTHER_CURVE)
2650	/* Sanity check of curve server selects */
2651	# define SSL_SECOP_CURVE_CHECK (6 \| SSL_SECOP_OTHER_CURVE)
2652	/* Temporary DH key */
2653	# define SSL_SECOP_TMP_DH (7 \| SSL_SECOP_OTHER_PKEY)
2654	/* SSL/TLS version */
2655	# define SSL_SECOP_VERSION (9 \| SSL_SECOP_OTHER_NONE)
2656	/* Session tickets */
2657	# define SSL_SECOP_TICKET (10 \| SSL_SECOP_OTHER_NONE)
2658	/* Supported signature algorithms sent to peer */
2659	# define SSL_SECOP_SIGALG_SUPPORTED (11 \| SSL_SECOP_OTHER_SIGALG)
2660	/* Shared signature algorithm */
2661	# define SSL_SECOP_SIGALG_SHARED (12 \| SSL_SECOP_OTHER_SIGALG)
2662	/* Sanity check signature algorithm allowed */
2663	# define SSL_SECOP_SIGALG_CHECK (13 \| SSL_SECOP_OTHER_SIGALG)
2664	/* Used to get mask of supported public key signature algorithms */
2665	# define SSL_SECOP_SIGALG_MASK (14 \| SSL_SECOP_OTHER_SIGALG)
2666	/* Use to see if compression is allowed */
2667	# define SSL_SECOP_COMPRESSION (15 \| SSL_SECOP_OTHER_NONE)
2668	/* EE key in certificate */
2669	# define SSL_SECOP_EE_KEY (16 \| SSL_SECOP_OTHER_CERT)
2670	/* CA key in certificate */
2671	# define SSL_SECOP_CA_KEY (17 \| SSL_SECOP_OTHER_CERT)
2672	/* CA digest algorithm in certificate */
2673	# define SSL_SECOP_CA_MD (18 \| SSL_SECOP_OTHER_CERT)
2674	/* Peer EE key in certificate */
2675	# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY \| SSL_SECOP_PEER)
2676	/* Peer CA key in certificate */
2677	# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY \| SSL_SECOP_PEER)
2678	/* Peer CA digest algorithm in certificate */
2679	# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD \| SSL_SECOP_PEER)
2680
2681	void SSL_set_security_level(SSL *s, int level);
2682	__owur int SSL_get_security_level(const SSL *s);
2683	void SSL_set_security_callback(SSL *s,
2684	int (cb) (const SSL s, const SSL_CTX *ctx,
2685	int op, int bits, int nid,
2686	void other, void ex));
2687	int (SSL_get_security_callback(const SSL s)) (const SSL *s,
2688	const SSL_CTX *ctx, int op,
2689	int bits, int nid, void *other,
2690	void *ex);
2691	void SSL_set0_security_ex_data(SSL s, void ex);
2692	__owur void SSL_get0_security_ex_data(const SSL s);
2693
2694	void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2695	__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2696	void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2697	int (cb) (const SSL s, const SSL_CTX *ctx,
2698	int op, int bits, int nid,
2699	void other, void ex));
2700	int (SSL_CTX_get_security_callback(const SSL_CTX ctx)) (const SSL *s,
2701	const SSL_CTX *ctx,
2702	int op, int bits,
2703	int nid,
2704	void *other,
2705	void *ex);
2706	void SSL_CTX_set0_security_ex_data(SSL_CTX ctx, void ex);
2707	__owur void SSL_CTX_get0_security_ex_data(const SSL_CTX ctx);
2708
2709	/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2710	# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2711	# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2712
2713	# define OPENSSL_INIT_SSL_DEFAULT \
2714	(OPENSSL_INIT_LOAD_SSL_STRINGS \| OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2715
2716	int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2717
2718	# ifndef OPENSSL_NO_UNIT_TEST
2719	__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2720	# endif
2721
2722	__owur int SSL_free_buffers(SSL *ssl);
2723	__owur int SSL_alloc_buffers(SSL *ssl);
2724
2725	/* Status codes passed to the decrypt session ticket callback. Some of these
2726	* are for internal use only and are never passed to the callback. */
2727	typedef int SSL_TICKET_STATUS;
2728
2729	/* Support for ticket appdata */
2730	/* fatal error, malloc failure */
2731	# define SSL_TICKET_FATAL_ERR_MALLOC 0
2732	/* fatal error, either from parsing or decrypting the ticket */
2733	# define SSL_TICKET_FATAL_ERR_OTHER 1
2734	/* No ticket present */
2735	# define SSL_TICKET_NONE 2
2736	/* Empty ticket present */
2737	# define SSL_TICKET_EMPTY 3
2738	/* the ticket couldn't be decrypted */
2739	# define SSL_TICKET_NO_DECRYPT 4
2740	/* a ticket was successfully decrypted */
2741	# define SSL_TICKET_SUCCESS 5
2742	/* same as above but the ticket needs to be renewed */
2743	# define SSL_TICKET_SUCCESS_RENEW 6
2744
2745	/* Return codes for the decrypt session ticket callback */
2746	typedef int SSL_TICKET_RETURN;
2747
2748	/* An error occurred */
2749	#define SSL_TICKET_RETURN_ABORT 0
2750	/* Do not use the ticket, do not send a renewed ticket to the client */
2751	#define SSL_TICKET_RETURN_IGNORE 1
2752	/* Do not use the ticket, send a renewed ticket to the client */
2753	#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2754	/* Use the ticket, do not send a renewed ticket to the client */
2755	#define SSL_TICKET_RETURN_USE 3
2756	/* Use the ticket, send a renewed ticket to the client */
2757	#define SSL_TICKET_RETURN_USE_RENEW 4
2758
2759	typedef int (SSL_CTX_generate_session_ticket_fn)(SSL s, void *arg);
2760	typedef SSL_TICKET_RETURN (SSL_CTX_decrypt_session_ticket_fn)(SSL s, SSL_SESSION *ss,
2761	const unsigned char *keyname,
2762	size_t keyname_length,
2763	SSL_TICKET_STATUS status,
2764	void *arg);
2765	int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2766	SSL_CTX_generate_session_ticket_fn gen_cb,
2767	SSL_CTX_decrypt_session_ticket_fn dec_cb,
2768	void *arg);
2769	int SSL_SESSION_set1_ticket_appdata(SSL_SESSION ss, const void data, size_t len);
2770	int SSL_SESSION_get0_ticket_appdata(SSL_SESSION ss, void data, size_t len);
2771
2772	typedef unsigned int (DTLS_timer_cb)(SSL s, unsigned int timer_us);
2773
2774	void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2775
2776
2777	typedef int (SSL_allow_early_data_cb_fn)(SSL s, void *arg);
2778	void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2779	SSL_allow_early_data_cb_fn cb,
2780	void *arg);
2781	void SSL_set_allow_early_data_cb(SSL *s,
2782	SSL_allow_early_data_cb_fn cb,
2783	void *arg);
2784
2785	/* store the default cipher strings inside the library */
2786	const char *OSSL_default_cipher_list(void);
2787	const char *OSSL_default_ciphersuites(void);
2788
2789	/* RFC8879 Certificate compression APIs */
2790
2791	int SSL_CTX_compress_certs(SSL_CTX *ctx, int alg);
2792	int SSL_compress_certs(SSL *ssl, int alg);
2793
2794	int SSL_CTX_set1_cert_comp_preference(SSL_CTX ctx, int algs, size_t len);
2795	int SSL_set1_cert_comp_preference(SSL ssl, int algs, size_t len);
2796
2797	int SSL_CTX_set1_compressed_cert(SSL_CTX ctx, int algorithm, unsigned char comp_data,
2798	size_t comp_length, size_t orig_length);
2799	int SSL_set1_compressed_cert(SSL ssl, int algorithm, unsigned char comp_data,
2800	size_t comp_length, size_t orig_length);
2801	size_t SSL_CTX_get1_compressed_cert(SSL_CTX ctx, int alg, unsigned char data, size_t orig_len);
2802	size_t SSL_get1_compressed_cert(SSL ssl, int alg, unsigned char data, size_t orig_len);
2803
2804	__owur int SSL_add_expected_rpk(SSL s, EVP_PKEY rpk);
2805	__owur EVP_PKEY SSL_get0_peer_rpk(const SSL s);
2806	__owur EVP_PKEY SSL_SESSION_get0_peer_rpk(SSL_SESSION s);
2807	__owur int SSL_get_negotiated_client_cert_type(const SSL *s);
2808	__owur int SSL_get_negotiated_server_cert_type(const SSL *s);
2809
2810	__owur int SSL_set1_client_cert_type(SSL s, const unsigned char val, size_t len);
2811	__owur int SSL_set1_server_cert_type(SSL s, const unsigned char val, size_t len);
2812	__owur int SSL_CTX_set1_client_cert_type(SSL_CTX ctx, const unsigned char val, size_t len);
2813	__owur int SSL_CTX_set1_server_cert_type(SSL_CTX ctx, const unsigned char val, size_t len);
2814	__owur int SSL_get0_client_cert_type(const SSL s, unsigned char t, size_t len);
2815	__owur int SSL_get0_server_cert_type(const SSL s, unsigned char t, size_t len);
2816	__owur int SSL_CTX_get0_client_cert_type(const SSL_CTX ctx, unsigned char t, size_t len);
2817	__owur int SSL_CTX_get0_server_cert_type(const SSL_CTX s, unsigned char t, size_t len);
2818
2819	# ifdef __cplusplus
2820	}
2821	# endif
2822	#endif

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