ssl.h.in@ 100908

最後變更在這個檔案從100908是 99366,由 vboxsync 提交於 22 月前
openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
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1	/*
2	* {- join("\n * ", @autowarntext) -}
3	*
4	* Copyright 1995-2022 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/opensslconf.h>
29	# include <openssl/comp.h>
30	# include <openssl/bio.h>
31	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
32	# include <openssl/x509.h>
33	# include <openssl/crypto.h>
34	# include <openssl/buffer.h>
35	# endif
36	# include <openssl/lhash.h>
37	# include <openssl/pem.h>
38	# include <openssl/hmac.h>
39	# include <openssl/async.h>
40
41	# include <openssl/safestack.h>
42	# include <openssl/symhacks.h>
43	# include <openssl/ct.h>
44	# include <openssl/sslerr.h>
45	# include <openssl/prov_ssl.h>
46	# ifndef OPENSSL_NO_STDIO
47	# include <stdio.h>
48	# endif
49
50	#ifdef __cplusplus
51	extern "C" {
52	#endif
53
54	/* OpenSSL version number for ASN.1 encoding of the session information */
55	/*-
56	* Version 0 - initial version
57	* Version 1 - added the optional peer certificate
58	*/
59	# define SSL_SESSION_ASN1_VERSION 0x0001
60
61	# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
62	# define SSL_MAX_SID_CTX_LENGTH 32
63
64	# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
65	# define SSL_MAX_KEY_ARG_LENGTH 8
66	/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
67
68	/* The maximum number of encrypt/decrypt pipelines we can support */
69	# define SSL_MAX_PIPELINES 32
70
71	/* text strings for the ciphers */
72
73	/* These are used to specify which ciphers to use and not to use */
74
75	# define SSL_TXT_LOW "LOW"
76	# define SSL_TXT_MEDIUM "MEDIUM"
77	# define SSL_TXT_HIGH "HIGH"
78	# define SSL_TXT_FIPS "FIPS"
79
80	# define SSL_TXT_aNULL "aNULL"
81	# define SSL_TXT_eNULL "eNULL"
82	# define SSL_TXT_NULL "NULL"
83
84	# define SSL_TXT_kRSA "kRSA"
85	# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
86	# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
87	# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
88	# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
89	# define SSL_TXT_kDHE "kDHE"
90	# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
91	# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
92	# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
93	# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
94	# define SSL_TXT_kECDHE "kECDHE"
95	# define SSL_TXT_kPSK "kPSK"
96	# define SSL_TXT_kRSAPSK "kRSAPSK"
97	# define SSL_TXT_kECDHEPSK "kECDHEPSK"
98	# define SSL_TXT_kDHEPSK "kDHEPSK"
99	# define SSL_TXT_kGOST "kGOST"
100	# define SSL_TXT_kGOST18 "kGOST18"
101	# define SSL_TXT_kSRP "kSRP"
102
103	# define SSL_TXT_aRSA "aRSA"
104	# define SSL_TXT_aDSS "aDSS"
105	# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
106	# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
107	# define SSL_TXT_aECDSA "aECDSA"
108	# define SSL_TXT_aPSK "aPSK"
109	# define SSL_TXT_aGOST94 "aGOST94"
110	# define SSL_TXT_aGOST01 "aGOST01"
111	# define SSL_TXT_aGOST12 "aGOST12"
112	# define SSL_TXT_aGOST "aGOST"
113	# define SSL_TXT_aSRP "aSRP"
114
115	# define SSL_TXT_DSS "DSS"
116	# define SSL_TXT_DH "DH"
117	# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
118	# define SSL_TXT_EDH "EDH"/* alias for DHE */
119	# define SSL_TXT_ADH "ADH"
120	# define SSL_TXT_RSA "RSA"
121	# define SSL_TXT_ECDH "ECDH"
122	# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
123	# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
124	# define SSL_TXT_AECDH "AECDH"
125	# define SSL_TXT_ECDSA "ECDSA"
126	# define SSL_TXT_PSK "PSK"
127	# define SSL_TXT_SRP "SRP"
128
129	# define SSL_TXT_DES "DES"
130	# define SSL_TXT_3DES "3DES"
131	# define SSL_TXT_RC4 "RC4"
132	# define SSL_TXT_RC2 "RC2"
133	# define SSL_TXT_IDEA "IDEA"
134	# define SSL_TXT_SEED "SEED"
135	# define SSL_TXT_AES128 "AES128"
136	# define SSL_TXT_AES256 "AES256"
137	# define SSL_TXT_AES "AES"
138	# define SSL_TXT_AES_GCM "AESGCM"
139	# define SSL_TXT_AES_CCM "AESCCM"
140	# define SSL_TXT_AES_CCM_8 "AESCCM8"
141	# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
142	# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
143	# define SSL_TXT_CAMELLIA "CAMELLIA"
144	# define SSL_TXT_CHACHA20 "CHACHA20"
145	# define SSL_TXT_GOST "GOST89"
146	# define SSL_TXT_ARIA "ARIA"
147	# define SSL_TXT_ARIA_GCM "ARIAGCM"
148	# define SSL_TXT_ARIA128 "ARIA128"
149	# define SSL_TXT_ARIA256 "ARIA256"
150	# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
151	# define SSL_TXT_CBC "CBC"
152
153	# define SSL_TXT_MD5 "MD5"
154	# define SSL_TXT_SHA1 "SHA1"
155	# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
156	# define SSL_TXT_GOST94 "GOST94"
157	# define SSL_TXT_GOST89MAC "GOST89MAC"
158	# define SSL_TXT_GOST12 "GOST12"
159	# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
160	# define SSL_TXT_SHA256 "SHA256"
161	# define SSL_TXT_SHA384 "SHA384"
162
163	# define SSL_TXT_SSLV3 "SSLv3"
164	# define SSL_TXT_TLSV1 "TLSv1"
165	# define SSL_TXT_TLSV1_1 "TLSv1.1"
166	# define SSL_TXT_TLSV1_2 "TLSv1.2"
167
168	# define SSL_TXT_ALL "ALL"
169
170	/*-
171	* COMPLEMENTOF* definitions. These identifiers are used to (de-select)
172	* ciphers normally not being used.
173	* Example: "RC4" will activate all ciphers using RC4 including ciphers
174	* without authentication, which would normally disabled by DEFAULT (due
175	* the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
176	* will make sure that it is also disabled in the specific selection.
177	* COMPLEMENTOF* identifiers are portable between version, as adjustments
178	* to the default cipher setup will also be included here.
179	*
180	* COMPLEMENTOFDEFAULT does not experience the same special treatment that
181	* DEFAULT gets, as only selection is being done and no sorting as needed
182	* for DEFAULT.
183	*/
184	# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
185	# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
186
187	/*
188	* The following cipher list is used by default. It also is substituted when
189	* an application-defined cipher list string starts with 'DEFAULT'.
190	* This applies to ciphersuites for TLSv1.2 and below.
191	* DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
192	* Update both macro and function simultaneously
193	*/
194	# ifndef OPENSSL_NO_DEPRECATED_3_0
195	# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
196	/*
197	* This is the default set of TLSv1.3 ciphersuites
198	* DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
199	* Update both macro and function simultaneously
200	*/
201	# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
202	"TLS_CHACHA20_POLY1305_SHA256:" \
203	"TLS_AES_128_GCM_SHA256"
204	# endif
205	/*
206	* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
207	* starts with a reasonable order, and all we have to do for DEFAULT is
208	* throwing out anonymous and unencrypted ciphersuites! (The latter are not
209	* actually enabled by ALL, but "ALL:RSA" would enable some of them.)
210	*/
211
212	/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
213	# define SSL_SENT_SHUTDOWN 1
214	# define SSL_RECEIVED_SHUTDOWN 2
215
216	#ifdef __cplusplus
217	}
218	#endif
219
220	#ifdef __cplusplus
221	extern "C" {
222	#endif
223
224	# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
225	# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
226
227	/*
228	* This is needed to stop compilers complaining about the 'struct ssl_st *'
229	* function parameters used to prototype callbacks in SSL_CTX.
230	*/
231	typedef struct ssl_st *ssl_crock_st;
232	typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
233	typedef struct ssl_method_st SSL_METHOD;
234	typedef struct ssl_cipher_st SSL_CIPHER;
235	typedef struct ssl_session_st SSL_SESSION;
236	typedef struct tls_sigalgs_st TLS_SIGALGS;
237	typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
238	typedef struct ssl_comp_st SSL_COMP;
239
240	STACK_OF(SSL_CIPHER);
241	STACK_OF(SSL_COMP);
242
243	/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
244	typedef struct srtp_protection_profile_st {
245	const char *name;
246	unsigned long id;
247	} SRTP_PROTECTION_PROFILE;
248	{-
249	generate_stack_macros("SRTP_PROTECTION_PROFILE");
250	-}
251
252
253	typedef int (tls_session_ticket_ext_cb_fn)(SSL s, const unsigned char *data,
254	int len, void *arg);
255	typedef int (tls_session_secret_cb_fn)(SSL s, void secret, int secret_len,
256	STACK_OF(SSL_CIPHER) *peer_ciphers,
257	const SSL_CIPHER *cipher, void arg);
258
259	/* Extension context codes */
260	/* This extension is only allowed in TLS */
261	#define SSL_EXT_TLS_ONLY 0x0001
262	/* This extension is only allowed in DTLS */
263	#define SSL_EXT_DTLS_ONLY 0x0002
264	/* Some extensions may be allowed in DTLS but we don't implement them for it */
265	#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
266	/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
267	#define SSL_EXT_SSL3_ALLOWED 0x0008
268	/* Extension is only defined for TLS1.2 and below */
269	#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
270	/* Extension is only defined for TLS1.3 and above */
271	#define SSL_EXT_TLS1_3_ONLY 0x0020
272	/* Ignore this extension during parsing if we are resuming */
273	#define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
274	#define SSL_EXT_CLIENT_HELLO 0x0080
275	/* Really means TLS1.2 or below */
276	#define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
277	#define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
278	#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
279	#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
280	#define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
281	#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
282	#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
283
284	/* Typedefs for handling custom extensions */
285
286	typedef int (custom_ext_add_cb)(SSL s, unsigned int ext_type,
287	const unsigned char *out, size_t outlen,
288	int al, void add_arg);
289
290	typedef void (custom_ext_free_cb)(SSL s, unsigned int ext_type,
291	const unsigned char out, void add_arg);
292
293	typedef int (custom_ext_parse_cb)(SSL s, unsigned int ext_type,
294	const unsigned char *in, size_t inlen,
295	int al, void parse_arg);
296
297
298	typedef int (SSL_custom_ext_add_cb_ex)(SSL s, unsigned int ext_type,
299	unsigned int context,
300	const unsigned char **out,
301	size_t outlen, X509 x,
302	size_t chainidx,
303	int al, void add_arg);
304
305	typedef void (SSL_custom_ext_free_cb_ex)(SSL s, unsigned int ext_type,
306	unsigned int context,
307	const unsigned char *out,
308	void *add_arg);
309
310	typedef int (SSL_custom_ext_parse_cb_ex)(SSL s, unsigned int ext_type,
311	unsigned int context,
312	const unsigned char *in,
313	size_t inlen, X509 *x,
314	size_t chainidx,
315	int al, void parse_arg);
316
317	/* Typedef for verification callback */
318	typedef int (SSL_verify_cb)(int preverify_ok, X509_STORE_CTX x509_ctx);
319
320	/* Typedef for SSL async callback */
321	typedef int (SSL_async_callback_fn)(SSL s, void *arg);
322
323	#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
324
325	/*
326	* SSL/TLS connection options.
327	*/
328	/* Disable Extended master secret */
329	# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
330	/* Cleanse plaintext copies of data delivered to the application */
331	# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
332	/* Allow initial connection to servers that don't support RI */
333	# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
334	/* Enable support for Kernel TLS */
335	# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
336	# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
337	# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
338	# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
339	# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
340	# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
341	/* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
342	# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
343	/*
344	* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
345	* in OpenSSL 0.9.6d. Usually (depending on the application protocol)
346	* the workaround is not needed. Unfortunately some broken SSL/TLS
347	* implementations cannot handle it at all, which is why we include it
348	* in SSL_OP_ALL. Added in 0.9.6e
349	*/
350	# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
351	/* DTLS options */
352	# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
353	/* Turn on Cookie Exchange (on relevant for servers) */
354	# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
355	/* Don't use RFC4507 ticket extension */
356	# define SSL_OP_NO_TICKET SSL_OP_BIT(14)
357	# ifndef OPENSSL_NO_DTLS1_METHOD
358	/*
359	* Use Cisco's version identifier of DTLS_BAD_VER
360	* (only with deprecated DTLSv1_client_method())
361	*/
362	# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
363	# endif
364	/* As server, disallow session resumption on renegotiation */
365	# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
366	/* Don't use compression even if supported */
367	# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
368	/* Permit unsafe legacy renegotiation */
369	# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
370	/* Disable encrypt-then-mac */
371	# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
372	/*
373	* Enable TLSv1.3 Compatibility mode. This is on by default. A future
374	* version of OpenSSL may have this disabled by default.
375	*/
376	# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
377	/*
378	* Prioritize Chacha20Poly1305 when client does.
379	* Modifies SSL_OP_CIPHER_SERVER_PREFERENCE
380	*/
381	# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
382	/*
383	* Set on servers to choose the cipher according to server's preferences.
384	*/
385	# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22)
386	/*
387	* If set, a server will allow a client to issue a SSLv3.0 version
388	* number as latest version supported in the premaster secret, even when
389	* TLSv1.0 (version 3.1) was announced in the client hello. Normally
390	* this is forbidden to prevent version rollback attacks.
391	*/
392	# define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
393	/*
394	* Switches off automatic TLSv1.3 anti-replay protection for early data.
395	* This is a server-side option only (no effect on the client).
396	*/
397	# define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
398	# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
399	# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
400	# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
401	# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
402	# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
403	# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
404	# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
405	/* Disallow all renegotiation */
406	# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
407	/*
408	* Make server add server-hello extension from early version of
409	* cryptopro draft, when GOST ciphersuite is negotiated. Required for
410	* interoperability with CryptoPro CSP 3.x
411	*/
412	# define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
413
414	/*
415	* Option "collections."
416	*/
417	# define SSL_OP_NO_SSL_MASK \
418	( SSL_OP_NO_SSLv3 \| SSL_OP_NO_TLSv1 \| SSL_OP_NO_TLSv1_1 \
419	\| SSL_OP_NO_TLSv1_2 \| SSL_OP_NO_TLSv1_3 )
420	# define SSL_OP_NO_DTLS_MASK \
421	( SSL_OP_NO_DTLSv1 \| SSL_OP_NO_DTLSv1_2 )
422
423	/* Various bug workarounds that should be rather harmless. */
424	# define SSL_OP_ALL \
425	( SSL_OP_CRYPTOPRO_TLSEXT_BUG \| SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
426	\| SSL_OP_TLSEXT_PADDING \| SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
427
428	/*
429	* OBSOLETE OPTIONS retained for compatibility
430	*/
431
432	# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
433	# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
434	# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
435	# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
436	# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
437	# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
438	# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
439	# define SSL_OP_TLS_D5_BUG 0x0
440	# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
441	# define SSL_OP_SINGLE_ECDH_USE 0x0
442	# define SSL_OP_SINGLE_DH_USE 0x0
443	# define SSL_OP_EPHEMERAL_RSA 0x0
444	# define SSL_OP_NO_SSLv2 0x0
445	# define SSL_OP_PKCS1_CHECK_1 0x0
446	# define SSL_OP_PKCS1_CHECK_2 0x0
447	# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
448	# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
449
450	/*
451	* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
452	* when just a single record has been written):
453	*/
454	# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
455	/*
456	* Make it possible to retry SSL_write() with changed buffer location (buffer
457	* contents must stay the same!); this is not the default to avoid the
458	* misconception that non-blocking SSL_write() behaves like non-blocking
459	* write():
460	*/
461	# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
462	/*
463	* Never bother the application with retries if the transport is blocking:
464	*/
465	# define SSL_MODE_AUTO_RETRY 0x00000004U
466	/* Don't attempt to automatically build certificate chain */
467	# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
468	/*
469	* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
470	* TLS only.) Released buffers are freed.
471	*/
472	# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
473	/*
474	* Send the current time in the Random fields of the ClientHello and
475	* ServerHello records for compatibility with hypothetical implementations
476	* that require it.
477	*/
478	# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
479	# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
480	/*
481	* Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
482	* that reconnect with a downgraded protocol version; see
483	* draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
484	* application attempts a normal handshake. Only use this in explicit
485	* fallback retries, following the guidance in
486	* draft-ietf-tls-downgrade-scsv-00.
487	*/
488	# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
489	/*
490	* Support Asynchronous operation
491	*/
492	# define SSL_MODE_ASYNC 0x00000100U
493
494	/*
495	* When using DTLS/SCTP, include the terminating zero in the label
496	* used for computing the endpoint-pair shared secret. Required for
497	* interoperability with implementations having this bug like these
498	* older version of OpenSSL:
499	* - OpenSSL 1.0.0 series
500	* - OpenSSL 1.0.1 series
501	* - OpenSSL 1.0.2 series
502	* - OpenSSL 1.1.0 series
503	* - OpenSSL 1.1.1 and 1.1.1a
504	*/
505	# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
506
507	/* Cert related flags */
508	/*
509	* Many implementations ignore some aspects of the TLS standards such as
510	* enforcing certificate chain algorithms. When this is set we enforce them.
511	*/
512	# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
513
514	/* Suite B modes, takes same values as certificate verify flags */
515	# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
516	/* Suite B 192 bit only mode */
517	# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
518	/* Suite B 128 bit mode allowing 192 bit algorithms */
519	# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
520
521	/* Perform all sorts of protocol violations for testing purposes */
522	# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
523
524	/* Flags for building certificate chains */
525	/* Treat any existing certificates as untrusted CAs */
526	# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
527	/* Don't include root CA in chain */
528	# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
529	/* Just check certificates already there */
530	# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
531	/* Ignore verification errors */
532	# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
533	/* Clear verification errors from queue */
534	# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
535
536	/* Flags returned by SSL_check_chain */
537	/* Certificate can be used with this session */
538	# define CERT_PKEY_VALID 0x1
539	/* Certificate can also be used for signing */
540	# define CERT_PKEY_SIGN 0x2
541	/* EE certificate signing algorithm OK */
542	# define CERT_PKEY_EE_SIGNATURE 0x10
543	/* CA signature algorithms OK */
544	# define CERT_PKEY_CA_SIGNATURE 0x20
545	/* EE certificate parameters OK */
546	# define CERT_PKEY_EE_PARAM 0x40
547	/* CA certificate parameters OK */
548	# define CERT_PKEY_CA_PARAM 0x80
549	/* Signing explicitly allowed as opposed to SHA1 fallback */
550	# define CERT_PKEY_EXPLICIT_SIGN 0x100
551	/* Client CA issuer names match (always set for server cert) */
552	# define CERT_PKEY_ISSUER_NAME 0x200
553	/* Cert type matches client types (always set for server cert) */
554	# define CERT_PKEY_CERT_TYPE 0x400
555	/* Cert chain suitable to Suite B */
556	# define CERT_PKEY_SUITEB 0x800
557
558	# define SSL_CONF_FLAG_CMDLINE 0x1
559	# define SSL_CONF_FLAG_FILE 0x2
560	# define SSL_CONF_FLAG_CLIENT 0x4
561	# define SSL_CONF_FLAG_SERVER 0x8
562	# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
563	# define SSL_CONF_FLAG_CERTIFICATE 0x20
564	# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
565	/* Configuration value types */
566	# define SSL_CONF_TYPE_UNKNOWN 0x0
567	# define SSL_CONF_TYPE_STRING 0x1
568	# define SSL_CONF_TYPE_FILE 0x2
569	# define SSL_CONF_TYPE_DIR 0x3
570	# define SSL_CONF_TYPE_NONE 0x4
571	# define SSL_CONF_TYPE_STORE 0x5
572
573	/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
574	# define SSL_COOKIE_LENGTH 4096
575
576	/*
577	* Note: SSL[_CTX]_set_{options,mode} use \|= op on the previous value, they
578	* cannot be used to clear bits.
579	*/
580
581	uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
582	uint64_t SSL_get_options(const SSL *s);
583	uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
584	uint64_t SSL_clear_options(SSL *s, uint64_t op);
585	uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
586	uint64_t SSL_set_options(SSL *s, uint64_t op);
587
588	# define SSL_CTX_set_mode(ctx,op) \
589	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
590	# define SSL_CTX_clear_mode(ctx,op) \
591	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
592	# define SSL_CTX_get_mode(ctx) \
593	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
594	# define SSL_clear_mode(ssl,op) \
595	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
596	# define SSL_set_mode(ssl,op) \
597	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
598	# define SSL_get_mode(ssl) \
599	SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
600	# define SSL_set_mtu(ssl, mtu) \
601	SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
602	# define DTLS_set_link_mtu(ssl, mtu) \
603	SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
604	# define DTLS_get_link_min_mtu(ssl) \
605	SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
606
607	# define SSL_get_secure_renegotiation_support(ssl) \
608	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
609
610	# define SSL_CTX_set_cert_flags(ctx,op) \
611	SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
612	# define SSL_set_cert_flags(s,op) \
613	SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
614	# define SSL_CTX_clear_cert_flags(ctx,op) \
615	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
616	# define SSL_clear_cert_flags(s,op) \
617	SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
618
619	void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
620	void (*cb) (int write_p, int version,
621	int content_type, const void *buf,
622	size_t len, SSL ssl, void arg));
623	void SSL_set_msg_callback(SSL *ssl,
624	void (*cb) (int write_p, int version,
625	int content_type, const void *buf,
626	size_t len, SSL ssl, void arg));
627	# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
628	# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
629
630	# define SSL_get_extms_support(s) \
631	SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
632
633	# ifndef OPENSSL_NO_SRP
634	/* see tls_srp.c */
635	# ifndef OPENSSL_NO_DEPRECATED_3_0
636	OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
637	OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
638	OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
639	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
640	OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
641	int *ad);
642	OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
643	# endif
644	# endif
645
646	/* 100k max cert list */
647	# define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
648
649	# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
650
651	/*
652	* This callback type is used inside SSL_CTX, SSL, and in the functions that
653	* set them. It is used to override the generation of SSL/TLS session IDs in
654	* a server. Return value should be zero on an error, non-zero to proceed.
655	* Also, callbacks should themselves check if the id they generate is unique
656	* otherwise the SSL handshake will fail with an error - callbacks can do
657	* this using the 'ssl' value they're passed by;
658	* SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
659	* is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
660	* bytes. The callback can alter this length to be less if desired. It is
661	* also an error for the callback to set the size to zero.
662	*/
663	typedef int (GEN_SESSION_CB) (SSL ssl, unsigned char *id,
664	unsigned int *id_len);
665
666	# define SSL_SESS_CACHE_OFF 0x0000
667	# define SSL_SESS_CACHE_CLIENT 0x0001
668	# define SSL_SESS_CACHE_SERVER 0x0002
669	# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT\|SSL_SESS_CACHE_SERVER)
670	# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
671	/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
672	# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
673	# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
674	# define SSL_SESS_CACHE_NO_INTERNAL \
675	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP\|SSL_SESS_CACHE_NO_INTERNAL_STORE)
676	# define SSL_SESS_CACHE_UPDATE_TIME 0x0400
677
678	LHASH_OF(SSL_SESSION) SSL_CTX_sessions(SSL_CTX ctx);
679	# define SSL_CTX_sess_number(ctx) \
680	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
681	# define SSL_CTX_sess_connect(ctx) \
682	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
683	# define SSL_CTX_sess_connect_good(ctx) \
684	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
685	# define SSL_CTX_sess_connect_renegotiate(ctx) \
686	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
687	# define SSL_CTX_sess_accept(ctx) \
688	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
689	# define SSL_CTX_sess_accept_renegotiate(ctx) \
690	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
691	# define SSL_CTX_sess_accept_good(ctx) \
692	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
693	# define SSL_CTX_sess_hits(ctx) \
694	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
695	# define SSL_CTX_sess_cb_hits(ctx) \
696	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
697	# define SSL_CTX_sess_misses(ctx) \
698	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
699	# define SSL_CTX_sess_timeouts(ctx) \
700	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
701	# define SSL_CTX_sess_cache_full(ctx) \
702	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
703
704	void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
705	int (new_session_cb) (struct ssl_st ssl,
706	SSL_SESSION *sess));
707	int (SSL_CTX_sess_get_new_cb(SSL_CTX ctx)) (struct ssl_st *ssl,
708	SSL_SESSION *sess);
709	void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
710	void (*remove_session_cb) (struct ssl_ctx_st
711	*ctx,
712	SSL_SESSION *sess));
713	void (SSL_CTX_sess_get_remove_cb(SSL_CTX ctx)) (struct ssl_ctx_st *ctx,
714	SSL_SESSION *sess);
715	void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
716	SSL_SESSION (get_session_cb) (struct ssl_st
717	*ssl,
718	const unsigned char
719	*data, int len,
720	int *copy));
721	SSL_SESSION (SSL_CTX_sess_get_get_cb(SSL_CTX ctx)) (struct ssl_st ssl,
722	const unsigned char *data,
723	int len, int *copy);
724	void SSL_CTX_set_info_callback(SSL_CTX *ctx,
725	void (cb) (const SSL ssl, int type, int val));
726	void (SSL_CTX_get_info_callback(SSL_CTX ctx)) (const SSL *ssl, int type,
727	int val);
728	void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
729	int (client_cert_cb) (SSL ssl, X509 **x509,
730	EVP_PKEY **pkey));
731	int (SSL_CTX_get_client_cert_cb(SSL_CTX ctx)) (SSL ssl, X509 *x509,
732	EVP_PKEY **pkey);
733	# ifndef OPENSSL_NO_ENGINE
734	__owur int SSL_CTX_set_client_cert_engine(SSL_CTX ctx, ENGINE e);
735	# endif
736	void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
737	int (app_gen_cookie_cb) (SSL ssl,
738	unsigned char
739	*cookie,
740	unsigned int
741	*cookie_len));
742	void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
743	int (app_verify_cookie_cb) (SSL ssl,
744	const unsigned
745	char *cookie,
746	unsigned int
747	cookie_len));
748
749	void SSL_CTX_set_stateless_cookie_generate_cb(
750	SSL_CTX *ctx,
751	int (gen_stateless_cookie_cb) (SSL ssl,
752	unsigned char *cookie,
753	size_t *cookie_len));
754	void SSL_CTX_set_stateless_cookie_verify_cb(
755	SSL_CTX *ctx,
756	int (verify_stateless_cookie_cb) (SSL ssl,
757	const unsigned char *cookie,
758	size_t cookie_len));
759	# ifndef OPENSSL_NO_NEXTPROTONEG
760
761	typedef int (SSL_CTX_npn_advertised_cb_func)(SSL ssl,
762	const unsigned char **out,
763	unsigned int *outlen,
764	void *arg);
765	void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
766	SSL_CTX_npn_advertised_cb_func cb,
767	void *arg);
768	# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
769
770	typedef int (SSL_CTX_npn_select_cb_func)(SSL s,
771	unsigned char **out,
772	unsigned char *outlen,
773	const unsigned char *in,
774	unsigned int inlen,
775	void *arg);
776	void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
777	SSL_CTX_npn_select_cb_func cb,
778	void *arg);
779	# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
780
781	void SSL_get0_next_proto_negotiated(const SSL s, const unsigned char *data,
782	unsigned *len);
783	# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
784	# endif
785
786	__owur int SSL_select_next_proto(unsigned char *out, unsigned char outlen,
787	const unsigned char *in, unsigned int inlen,
788	const unsigned char *client,
789	unsigned int client_len);
790
791	# define OPENSSL_NPN_UNSUPPORTED 0
792	# define OPENSSL_NPN_NEGOTIATED 1
793	# define OPENSSL_NPN_NO_OVERLAP 2
794
795	__owur int SSL_CTX_set_alpn_protos(SSL_CTX ctx, const unsigned char protos,
796	unsigned int protos_len);
797	__owur int SSL_set_alpn_protos(SSL ssl, const unsigned char protos,
798	unsigned int protos_len);
799	typedef int (SSL_CTX_alpn_select_cb_func)(SSL ssl,
800	const unsigned char **out,
801	unsigned char *outlen,
802	const unsigned char *in,
803	unsigned int inlen,
804	void *arg);
805	void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
806	SSL_CTX_alpn_select_cb_func cb,
807	void *arg);
808	void SSL_get0_alpn_selected(const SSL ssl, const unsigned char *data,
809	unsigned int *len);
810
811	# ifndef OPENSSL_NO_PSK
812	/*
813	* the maximum length of the buffer given to callbacks containing the
814	* resulting identity/psk
815	*/
816	# define PSK_MAX_IDENTITY_LEN 256
817	# define PSK_MAX_PSK_LEN 512
818	typedef unsigned int (SSL_psk_client_cb_func)(SSL ssl,
819	const char *hint,
820	char *identity,
821	unsigned int max_identity_len,
822	unsigned char *psk,
823	unsigned int max_psk_len);
824	void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
825	void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
826
827	typedef unsigned int (SSL_psk_server_cb_func)(SSL ssl,
828	const char *identity,
829	unsigned char *psk,
830	unsigned int max_psk_len);
831	void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
832	void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
833
834	__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX ctx, const char identity_hint);
835	__owur int SSL_use_psk_identity_hint(SSL s, const char identity_hint);
836	const char SSL_get_psk_identity_hint(const SSL s);
837	const char SSL_get_psk_identity(const SSL s);
838	# endif
839
840	typedef int (SSL_psk_find_session_cb_func)(SSL ssl,
841	const unsigned char *identity,
842	size_t identity_len,
843	SSL_SESSION **sess);
844	typedef int (SSL_psk_use_session_cb_func)(SSL ssl, const EVP_MD *md,
845	const unsigned char **id,
846	size_t *idlen,
847	SSL_SESSION **sess);
848
849	void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
850	void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
851	SSL_psk_find_session_cb_func cb);
852	void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
853	void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
854	SSL_psk_use_session_cb_func cb);
855
856	/* Register callbacks to handle custom TLS Extensions for client or server. */
857
858	__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
859	unsigned int ext_type);
860
861	__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
862	unsigned int ext_type,
863	custom_ext_add_cb add_cb,
864	custom_ext_free_cb free_cb,
865	void *add_arg,
866	custom_ext_parse_cb parse_cb,
867	void *parse_arg);
868
869	__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
870	unsigned int ext_type,
871	custom_ext_add_cb add_cb,
872	custom_ext_free_cb free_cb,
873	void *add_arg,
874	custom_ext_parse_cb parse_cb,
875	void *parse_arg);
876
877	__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
878	unsigned int context,
879	SSL_custom_ext_add_cb_ex add_cb,
880	SSL_custom_ext_free_cb_ex free_cb,
881	void *add_arg,
882	SSL_custom_ext_parse_cb_ex parse_cb,
883	void *parse_arg);
884
885	__owur int SSL_extension_supported(unsigned int ext_type);
886
887	# define SSL_NOTHING 1
888	# define SSL_WRITING 2
889	# define SSL_READING 3
890	# define SSL_X509_LOOKUP 4
891	# define SSL_ASYNC_PAUSED 5
892	# define SSL_ASYNC_NO_JOBS 6
893	# define SSL_CLIENT_HELLO_CB 7
894	# define SSL_RETRY_VERIFY 8
895
896	/* These will only be used when doing non-blocking IO */
897	# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
898	# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
899	# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
900	# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
901	# define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
902	# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
903	# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
904	# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
905
906	# define SSL_MAC_FLAG_READ_MAC_STREAM 1
907	# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
908	# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
909	# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
910
911	/*
912	* A callback for logging out TLS key material. This callback should log out
913	* \|line\| followed by a newline.
914	*/
915	typedef void (SSL_CTX_keylog_cb_func)(const SSL ssl, const char *line);
916
917	/*
918	* SSL_CTX_set_keylog_callback configures a callback to log key material. This
919	* is intended for debugging use with tools like Wireshark. The cb function
920	* should log line followed by a newline.
921	*/
922	void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
923
924	/*
925	* SSL_CTX_get_keylog_callback returns the callback configured by
926	* SSL_CTX_set_keylog_callback.
927	*/
928	SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
929
930	int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
931	uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
932	int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
933	uint32_t SSL_get_max_early_data(const SSL *s);
934	int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
935	uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
936	int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
937	uint32_t SSL_get_recv_max_early_data(const SSL *s);
938
939	#ifdef __cplusplus
940	}
941	#endif
942
943	# include <openssl/ssl2.h>
944	# include <openssl/ssl3.h>
945	# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
946	# include <openssl/dtls1.h> /* Datagram TLS */
947	# include <openssl/srtp.h> /* Support for the use_srtp extension */
948
949	#ifdef __cplusplus
950	extern "C" {
951	#endif
952
953	/*
954	* These need to be after the above set of includes due to a compiler bug
955	* in VisualStudio 2015
956	*/
957	{-
958	generate_const_stack_macros("SSL_CIPHER")
959	.generate_stack_macros("SSL_COMP");
960	-}
961
962	/* compatibility */
963	# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
964	# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
965	# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
966	(char *)(a)))
967	# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
968	# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
969	# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
970	(char *)(arg)))
971	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
972	OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
973	# endif
974
975	/* TLSv1.3 KeyUpdate message types */
976	/* -1 used so that this is an invalid value for the on-the-wire protocol */
977	#define SSL_KEY_UPDATE_NONE -1
978	/* Values as defined for the on-the-wire protocol */
979	#define SSL_KEY_UPDATE_NOT_REQUESTED 0
980	#define SSL_KEY_UPDATE_REQUESTED 1
981
982	/*
983	* The valid handshake states (one for each type message sent and one for each
984	* type of message received). There are also two "special" states:
985	* TLS = TLS or DTLS state
986	* DTLS = DTLS specific state
987	* CR/SR = Client Read/Server Read
988	* CW/SW = Client Write/Server Write
989	*
990	* The "special" states are:
991	* TLS_ST_BEFORE = No handshake has been initiated yet
992	* TLS_ST_OK = A handshake has been successfully completed
993	*/
994	typedef enum {
995	TLS_ST_BEFORE,
996	TLS_ST_OK,
997	DTLS_ST_CR_HELLO_VERIFY_REQUEST,
998	TLS_ST_CR_SRVR_HELLO,
999	TLS_ST_CR_CERT,
1000	TLS_ST_CR_CERT_STATUS,
1001	TLS_ST_CR_KEY_EXCH,
1002	TLS_ST_CR_CERT_REQ,
1003	TLS_ST_CR_SRVR_DONE,
1004	TLS_ST_CR_SESSION_TICKET,
1005	TLS_ST_CR_CHANGE,
1006	TLS_ST_CR_FINISHED,
1007	TLS_ST_CW_CLNT_HELLO,
1008	TLS_ST_CW_CERT,
1009	TLS_ST_CW_KEY_EXCH,
1010	TLS_ST_CW_CERT_VRFY,
1011	TLS_ST_CW_CHANGE,
1012	TLS_ST_CW_NEXT_PROTO,
1013	TLS_ST_CW_FINISHED,
1014	TLS_ST_SW_HELLO_REQ,
1015	TLS_ST_SR_CLNT_HELLO,
1016	DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1017	TLS_ST_SW_SRVR_HELLO,
1018	TLS_ST_SW_CERT,
1019	TLS_ST_SW_KEY_EXCH,
1020	TLS_ST_SW_CERT_REQ,
1021	TLS_ST_SW_SRVR_DONE,
1022	TLS_ST_SR_CERT,
1023	TLS_ST_SR_KEY_EXCH,
1024	TLS_ST_SR_CERT_VRFY,
1025	TLS_ST_SR_NEXT_PROTO,
1026	TLS_ST_SR_CHANGE,
1027	TLS_ST_SR_FINISHED,
1028	TLS_ST_SW_SESSION_TICKET,
1029	TLS_ST_SW_CERT_STATUS,
1030	TLS_ST_SW_CHANGE,
1031	TLS_ST_SW_FINISHED,
1032	TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1033	TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1034	TLS_ST_CR_CERT_VRFY,
1035	TLS_ST_SW_CERT_VRFY,
1036	TLS_ST_CR_HELLO_REQ,
1037	TLS_ST_SW_KEY_UPDATE,
1038	TLS_ST_CW_KEY_UPDATE,
1039	TLS_ST_SR_KEY_UPDATE,
1040	TLS_ST_CR_KEY_UPDATE,
1041	TLS_ST_EARLY_DATA,
1042	TLS_ST_PENDING_EARLY_DATA_END,
1043	TLS_ST_CW_END_OF_EARLY_DATA,
1044	TLS_ST_SR_END_OF_EARLY_DATA
1045	} OSSL_HANDSHAKE_STATE;
1046
1047	/*
1048	* Most of the following state values are no longer used and are defined to be
1049	* the closest equivalent value in the current state machine code. Not all
1050	* defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1051	* and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1052	* SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1053	*/
1054
1055	# define SSL_ST_CONNECT 0x1000
1056	# define SSL_ST_ACCEPT 0x2000
1057
1058	# define SSL_ST_MASK 0x0FFF
1059
1060	# define SSL_CB_LOOP 0x01
1061	# define SSL_CB_EXIT 0x02
1062	# define SSL_CB_READ 0x04
1063	# define SSL_CB_WRITE 0x08
1064	# define SSL_CB_ALERT 0x4000/* used in callback */
1065	# define SSL_CB_READ_ALERT (SSL_CB_ALERT\|SSL_CB_READ)
1066	# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT\|SSL_CB_WRITE)
1067	# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT\|SSL_CB_LOOP)
1068	# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT\|SSL_CB_EXIT)
1069	# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT\|SSL_CB_LOOP)
1070	# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT\|SSL_CB_EXIT)
1071	# define SSL_CB_HANDSHAKE_START 0x10
1072	# define SSL_CB_HANDSHAKE_DONE 0x20
1073
1074	/* Is the SSL_connection established? */
1075	# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1076	# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1077	int SSL_in_init(const SSL *s);
1078	int SSL_in_before(const SSL *s);
1079	int SSL_is_init_finished(const SSL *s);
1080
1081	/*
1082	* The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1083	* should not need these
1084	*/
1085	# define SSL_ST_READ_HEADER 0xF0
1086	# define SSL_ST_READ_BODY 0xF1
1087	# define SSL_ST_READ_DONE 0xF2
1088
1089	/*-
1090	* Obtain latest Finished message
1091	* -- that we sent (SSL_get_finished)
1092	* -- that we expected from peer (SSL_get_peer_finished).
1093	* Returns length (0 == no Finished so far), copies up to 'count' bytes.
1094	*/
1095	size_t SSL_get_finished(const SSL s, void buf, size_t count);
1096	size_t SSL_get_peer_finished(const SSL s, void buf, size_t count);
1097
1098	/*
1099	* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1100	* 'ored' with SSL_VERIFY_PEER if they are desired
1101	*/
1102	# define SSL_VERIFY_NONE 0x00
1103	# define SSL_VERIFY_PEER 0x01
1104	# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1105	# define SSL_VERIFY_CLIENT_ONCE 0x04
1106	# define SSL_VERIFY_POST_HANDSHAKE 0x08
1107
1108	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1109	# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1110	# define SSLeay_add_ssl_algorithms() SSL_library_init()
1111	# endif
1112
1113	/* More backward compatibility */
1114	# define SSL_get_cipher(s) \
1115	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1116	# define SSL_get_cipher_bits(s,np) \
1117	SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1118	# define SSL_get_cipher_version(s) \
1119	SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1120	# define SSL_get_cipher_name(s) \
1121	SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1122	# define SSL_get_time(a) SSL_SESSION_get_time(a)
1123	# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1124	# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1125	# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1126
1127	# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1128	# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1129
1130	DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1131	# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1132	* from SSL_AD_... */
1133	/* These alert types are for SSLv3 and TLSv1 */
1134	# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1135	/* fatal */
1136	# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1137	/* fatal */
1138	# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1139	# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1140	# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1141	/* fatal */
1142	# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1143	/* fatal */
1144	# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1145	/* Not for TLS */
1146	# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1147	# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1148	# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1149	# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1150	# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1151	# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1152	/* fatal */
1153	# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1154	/* fatal */
1155	# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1156	/* fatal */
1157	# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1158	/* fatal */
1159	# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1160	# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1161	/* fatal */
1162	# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1163	/* fatal */
1164	# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1165	/* fatal */
1166	# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1167	/* fatal */
1168	# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1169	# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1170	# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1171	# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1172	# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1173	# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1174	# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1175	# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1176	# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1177	# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1178	/* fatal */
1179	# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1180	/* fatal */
1181	# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1182	# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1183	# define SSL_ERROR_NONE 0
1184	# define SSL_ERROR_SSL 1
1185	# define SSL_ERROR_WANT_READ 2
1186	# define SSL_ERROR_WANT_WRITE 3
1187	# define SSL_ERROR_WANT_X509_LOOKUP 4
1188	# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1189	* value/errno */
1190	# define SSL_ERROR_ZERO_RETURN 6
1191	# define SSL_ERROR_WANT_CONNECT 7
1192	# define SSL_ERROR_WANT_ACCEPT 8
1193	# define SSL_ERROR_WANT_ASYNC 9
1194	# define SSL_ERROR_WANT_ASYNC_JOB 10
1195	# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1196	# define SSL_ERROR_WANT_RETRY_VERIFY 12
1197
1198	# ifndef OPENSSL_NO_DEPRECATED_3_0
1199	# define SSL_CTRL_SET_TMP_DH 3
1200	# define SSL_CTRL_SET_TMP_ECDH 4
1201	# define SSL_CTRL_SET_TMP_DH_CB 6
1202	# endif
1203
1204	# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1205	# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1206	# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1207	# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1208	# define SSL_CTRL_GET_FLAGS 13
1209	# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1210	# define SSL_CTRL_SET_MSG_CALLBACK 15
1211	# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1212	/* only applies to datagram connections */
1213	# define SSL_CTRL_SET_MTU 17
1214	/* Stats */
1215	# define SSL_CTRL_SESS_NUMBER 20
1216	# define SSL_CTRL_SESS_CONNECT 21
1217	# define SSL_CTRL_SESS_CONNECT_GOOD 22
1218	# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1219	# define SSL_CTRL_SESS_ACCEPT 24
1220	# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1221	# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1222	# define SSL_CTRL_SESS_HIT 27
1223	# define SSL_CTRL_SESS_CB_HIT 28
1224	# define SSL_CTRL_SESS_MISSES 29
1225	# define SSL_CTRL_SESS_TIMEOUTS 30
1226	# define SSL_CTRL_SESS_CACHE_FULL 31
1227	# define SSL_CTRL_MODE 33
1228	# define SSL_CTRL_GET_READ_AHEAD 40
1229	# define SSL_CTRL_SET_READ_AHEAD 41
1230	# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1231	# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1232	# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1233	# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1234	# define SSL_CTRL_GET_MAX_CERT_LIST 50
1235	# define SSL_CTRL_SET_MAX_CERT_LIST 51
1236	# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1237	/* see tls1.h for macros based on these */
1238	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1239	# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1240	# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1241	# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1242	# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1243	# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1244	# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1245	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 /
1246	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 /
1247	/# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 /
1248	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1249	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1250	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1251	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1252	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1253	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1254	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1255	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1256	# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1257	# ifndef OPENSSL_NO_DEPRECATED_3_0
1258	# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1259	# endif
1260	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1261	# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1262	# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1263	# define SSL_CTRL_SET_SRP_ARG 78
1264	# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1265	# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1266	# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1267	# define DTLS_CTRL_GET_TIMEOUT 73
1268	# define DTLS_CTRL_HANDLE_TIMEOUT 74
1269	# define SSL_CTRL_GET_RI_SUPPORT 76
1270	# define SSL_CTRL_CLEAR_MODE 78
1271	# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1272	# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1273	# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1274	# define SSL_CTRL_CHAIN 88
1275	# define SSL_CTRL_CHAIN_CERT 89
1276	# define SSL_CTRL_GET_GROUPS 90
1277	# define SSL_CTRL_SET_GROUPS 91
1278	# define SSL_CTRL_SET_GROUPS_LIST 92
1279	# define SSL_CTRL_GET_SHARED_GROUP 93
1280	# define SSL_CTRL_SET_SIGALGS 97
1281	# define SSL_CTRL_SET_SIGALGS_LIST 98
1282	# define SSL_CTRL_CERT_FLAGS 99
1283	# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1284	# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1285	# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1286	# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1287	# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1288	# define SSL_CTRL_BUILD_CERT_CHAIN 105
1289	# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1290	# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1291	# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1292	# define SSL_CTRL_GET_PEER_TMP_KEY 109
1293	# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1294	# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1295	# define SSL_CTRL_GET_CHAIN_CERTS 115
1296	# define SSL_CTRL_SELECT_CURRENT_CERT 116
1297	# define SSL_CTRL_SET_CURRENT_CERT 117
1298	# define SSL_CTRL_SET_DH_AUTO 118
1299	# define DTLS_CTRL_SET_LINK_MTU 120
1300	# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1301	# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1302	# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1303	# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1304	# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1305	# define SSL_CTRL_SET_MAX_PIPELINES 126
1306	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1307	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1308	# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1309	# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1310	# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1311	# define SSL_CTRL_GET_SIGNATURE_NID 132
1312	# define SSL_CTRL_GET_TMP_KEY 133
1313	# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1314	# define SSL_CTRL_SET_RETRY_VERIFY 136
1315	# define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1316	# define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1317	# define SSL_CERT_SET_FIRST 1
1318	# define SSL_CERT_SET_NEXT 2
1319	# define SSL_CERT_SET_SERVER 3
1320	# define DTLSv1_get_timeout(ssl, arg) \
1321	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1322	# define DTLSv1_handle_timeout(ssl) \
1323	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1324	# define SSL_num_renegotiations(ssl) \
1325	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1326	# define SSL_clear_num_renegotiations(ssl) \
1327	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1328	# define SSL_total_renegotiations(ssl) \
1329	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1330	# ifndef OPENSSL_NO_DEPRECATED_3_0
1331	# define SSL_CTX_set_tmp_dh(ctx,dh) \
1332	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1333	# endif
1334	# define SSL_CTX_set_dh_auto(ctx, onoff) \
1335	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1336	# define SSL_set_dh_auto(s, onoff) \
1337	SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1338	# ifndef OPENSSL_NO_DEPRECATED_3_0
1339	# define SSL_set_tmp_dh(ssl,dh) \
1340	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1341	# endif
1342	# ifndef OPENSSL_NO_DEPRECATED_3_0
1343	# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1344	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1345	# define SSL_set_tmp_ecdh(ssl,ecdh) \
1346	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1347	# endif
1348	# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1349	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1350	# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1351	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1352	# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1353	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1354	# define SSL_CTX_clear_extra_chain_certs(ctx) \
1355	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1356	# define SSL_CTX_set0_chain(ctx,sk) \
1357	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1358	# define SSL_CTX_set1_chain(ctx,sk) \
1359	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1360	# define SSL_CTX_add0_chain_cert(ctx,x509) \
1361	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1362	# define SSL_CTX_add1_chain_cert(ctx,x509) \
1363	SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1364	# define SSL_CTX_get0_chain_certs(ctx,px509) \
1365	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1366	# define SSL_CTX_clear_chain_certs(ctx) \
1367	SSL_CTX_set0_chain(ctx,NULL)
1368	# define SSL_CTX_build_cert_chain(ctx, flags) \
1369	SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1370	# define SSL_CTX_select_current_cert(ctx,x509) \
1371	SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1372	# define SSL_CTX_set_current_cert(ctx, op) \
1373	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1374	# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1375	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1376	# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1377	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1378	# define SSL_CTX_get0_verify_cert_store(ctx,st) \
1379	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1380	# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1381	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1382	# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1383	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1384	# define SSL_CTX_get0_chain_cert_store(ctx,st) \
1385	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1386	# define SSL_set0_chain(s,sk) \
1387	SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1388	# define SSL_set1_chain(s,sk) \
1389	SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1390	# define SSL_add0_chain_cert(s,x509) \
1391	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1392	# define SSL_add1_chain_cert(s,x509) \
1393	SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1394	# define SSL_get0_chain_certs(s,px509) \
1395	SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1396	# define SSL_clear_chain_certs(s) \
1397	SSL_set0_chain(s,NULL)
1398	# define SSL_build_cert_chain(s, flags) \
1399	SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1400	# define SSL_select_current_cert(s,x509) \
1401	SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1402	# define SSL_set_current_cert(s,op) \
1403	SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1404	# define SSL_set0_verify_cert_store(s,st) \
1405	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1406	# define SSL_set1_verify_cert_store(s,st) \
1407	SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1408	#define SSL_get0_verify_cert_store(s,st) \
1409	SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1410	# define SSL_set0_chain_cert_store(s,st) \
1411	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1412	# define SSL_set1_chain_cert_store(s,st) \
1413	SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1414	#define SSL_get0_chain_cert_store(s,st) \
1415	SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1416
1417	# define SSL_get1_groups(s, glist) \
1418	SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1419	# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1420	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1421	# define SSL_CTX_set1_groups_list(ctx, s) \
1422	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1423	# define SSL_set1_groups(s, glist, glistlen) \
1424	SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1425	# define SSL_set1_groups_list(s, str) \
1426	SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1427	# define SSL_get_shared_group(s, n) \
1428	SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1429	# define SSL_get_negotiated_group(s) \
1430	SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1431	# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1432	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1433	# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1434	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1435	# define SSL_set1_sigalgs(s, slist, slistlen) \
1436	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1437	# define SSL_set1_sigalgs_list(s, str) \
1438	SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1439	# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1440	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1441	# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1442	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1443	# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1444	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1445	# define SSL_set1_client_sigalgs_list(s, str) \
1446	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1447	# define SSL_get0_certificate_types(s, clist) \
1448	SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1449	# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1450	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1451	(char *)(clist))
1452	# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1453	SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1454	# define SSL_get_signature_nid(s, pn) \
1455	SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1456	# define SSL_get_peer_signature_nid(s, pn) \
1457	SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1458	# define SSL_get_peer_tmp_key(s, pk) \
1459	SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1460	# define SSL_get_tmp_key(s, pk) \
1461	SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1462	# define SSL_get0_raw_cipherlist(s, plst) \
1463	SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1464	# define SSL_get0_ec_point_formats(s, plst) \
1465	SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1466	# define SSL_CTX_set_min_proto_version(ctx, version) \
1467	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1468	# define SSL_CTX_set_max_proto_version(ctx, version) \
1469	SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1470	# define SSL_CTX_get_min_proto_version(ctx) \
1471	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1472	# define SSL_CTX_get_max_proto_version(ctx) \
1473	SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1474	# define SSL_set_min_proto_version(s, version) \
1475	SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1476	# define SSL_set_max_proto_version(s, version) \
1477	SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1478	# define SSL_get_min_proto_version(s) \
1479	SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1480	# define SSL_get_max_proto_version(s) \
1481	SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1482
1483	const char SSL_group_to_name(SSL s, int id);
1484
1485	/* Backwards compatibility, original 1.1.0 names */
1486	# define SSL_CTRL_GET_SERVER_TMP_KEY \
1487	SSL_CTRL_GET_PEER_TMP_KEY
1488	# define SSL_get_server_tmp_key(s, pk) \
1489	SSL_get_peer_tmp_key(s, pk)
1490
1491	int SSL_set0_tmp_dh_pkey(SSL s, EVP_PKEY dhpkey);
1492	int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX ctx, EVP_PKEY dhpkey);
1493
1494	/*
1495	* The following symbol names are old and obsolete. They are kept
1496	* for compatibility reasons only and should not be used anymore.
1497	*/
1498	# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1499	# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1500	# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1501	# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1502
1503	# define SSL_get1_curves SSL_get1_groups
1504	# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1505	# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1506	# define SSL_set1_curves SSL_set1_groups
1507	# define SSL_set1_curves_list SSL_set1_groups_list
1508	# define SSL_get_shared_curve SSL_get_shared_group
1509
1510
1511	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1512	/* Provide some compatibility macros for removed functionality. */
1513	# define SSL_CTX_need_tmp_RSA(ctx) 0
1514	# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1515	# define SSL_need_tmp_RSA(ssl) 0
1516	# define SSL_set_tmp_rsa(ssl,rsa) 1
1517	# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1518	# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1519	/*
1520	* We "pretend" to call the callback to avoid warnings about unused static
1521	* functions.
1522	*/
1523	# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1524	# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1525	# endif
1526	__owur const BIO_METHOD *BIO_f_ssl(void);
1527	__owur BIO BIO_new_ssl(SSL_CTX ctx, int client);
1528	__owur BIO BIO_new_ssl_connect(SSL_CTX ctx);
1529	__owur BIO BIO_new_buffer_ssl_connect(SSL_CTX ctx);
1530	__owur int BIO_ssl_copy_session_id(BIO to, BIO from);
1531	void BIO_ssl_shutdown(BIO *ssl_bio);
1532
1533	__owur int SSL_CTX_set_cipher_list(SSL_CTX , const char str);
1534	__owur SSL_CTX SSL_CTX_new(const SSL_METHOD meth);
1535	__owur SSL_CTX SSL_CTX_new_ex(OSSL_LIB_CTX libctx, const char *propq,
1536	const SSL_METHOD *meth);
1537	int SSL_CTX_up_ref(SSL_CTX *ctx);
1538	void SSL_CTX_free(SSL_CTX *);
1539	__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1540	__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1541	__owur X509_STORE SSL_CTX_get_cert_store(const SSL_CTX );
1542	void SSL_CTX_set_cert_store(SSL_CTX , X509_STORE );
1543	void SSL_CTX_set1_cert_store(SSL_CTX , X509_STORE );
1544	__owur int SSL_want(const SSL *s);
1545	__owur int SSL_clear(SSL *s);
1546
1547	void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1548
1549	__owur const SSL_CIPHER SSL_get_current_cipher(const SSL s);
1550	__owur const SSL_CIPHER SSL_get_pending_cipher(const SSL s);
1551	__owur int SSL_CIPHER_get_bits(const SSL_CIPHER c, int alg_bits);
1552	__owur const char SSL_CIPHER_get_version(const SSL_CIPHER c);
1553	__owur const char SSL_CIPHER_get_name(const SSL_CIPHER c);
1554	__owur const char SSL_CIPHER_standard_name(const SSL_CIPHER c);
1555	__owur const char OPENSSL_cipher_name(const char rfc_name);
1556	__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1557	__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1558	__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1559	__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1560	__owur const EVP_MD SSL_CIPHER_get_handshake_digest(const SSL_CIPHER c);
1561	__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1562
1563	__owur int SSL_get_fd(const SSL *s);
1564	__owur int SSL_get_rfd(const SSL *s);
1565	__owur int SSL_get_wfd(const SSL *s);
1566	__owur const char SSL_get_cipher_list(const SSL s, int n);
1567	__owur char SSL_get_shared_ciphers(const SSL s, char *buf, int size);
1568	__owur int SSL_get_read_ahead(const SSL *s);
1569	__owur int SSL_pending(const SSL *s);
1570	__owur int SSL_has_pending(const SSL *s);
1571	# ifndef OPENSSL_NO_SOCK
1572	__owur int SSL_set_fd(SSL *s, int fd);
1573	__owur int SSL_set_rfd(SSL *s, int fd);
1574	__owur int SSL_set_wfd(SSL *s, int fd);
1575	# endif
1576	void SSL_set0_rbio(SSL s, BIO rbio);
1577	void SSL_set0_wbio(SSL s, BIO wbio);
1578	void SSL_set_bio(SSL s, BIO rbio, BIO *wbio);
1579	__owur BIO SSL_get_rbio(const SSL s);
1580	__owur BIO SSL_get_wbio(const SSL s);
1581	__owur int SSL_set_cipher_list(SSL s, const char str);
1582	__owur int SSL_CTX_set_ciphersuites(SSL_CTX ctx, const char str);
1583	__owur int SSL_set_ciphersuites(SSL s, const char str);
1584	void SSL_set_read_ahead(SSL *s, int yes);
1585	__owur int SSL_get_verify_mode(const SSL *s);
1586	__owur int SSL_get_verify_depth(const SSL *s);
1587	__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1588	void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1589	void SSL_set_verify_depth(SSL *s, int depth);
1590	void SSL_set_cert_cb(SSL s, int (cb) (SSL ssl, void arg), void *arg);
1591	# ifndef OPENSSL_NO_DEPRECATED_3_0
1592	OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL ssl, RSA rsa);
1593	OSSL_DEPRECATEDIN_3_0
1594	__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1595	const unsigned char *d, long len);
1596	# endif
1597	__owur int SSL_use_PrivateKey(SSL ssl, EVP_PKEY pkey);
1598	__owur int SSL_use_PrivateKey_ASN1(int pk, SSL ssl, const unsigned char d,
1599	long len);
1600	__owur int SSL_use_certificate(SSL ssl, X509 x);
1601	__owur int SSL_use_certificate_ASN1(SSL ssl, const unsigned char d, int len);
1602	__owur int SSL_use_cert_and_key(SSL ssl, X509 x509, EVP_PKEY *privatekey,
1603	STACK_OF(X509) *chain, int override);
1604
1605
1606	/* serverinfo file format versions */
1607	# define SSL_SERVERINFOV1 1
1608	# define SSL_SERVERINFOV2 2
1609
1610	/* Set serverinfo data for the current active cert. */
1611	__owur int SSL_CTX_use_serverinfo(SSL_CTX ctx, const unsigned char serverinfo,
1612	size_t serverinfo_length);
1613	__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1614	const unsigned char *serverinfo,
1615	size_t serverinfo_length);
1616	__owur int SSL_CTX_use_serverinfo_file(SSL_CTX ctx, const char file);
1617
1618	#ifndef OPENSSL_NO_DEPRECATED_3_0
1619	OSSL_DEPRECATEDIN_3_0
1620	__owur int SSL_use_RSAPrivateKey_file(SSL ssl, const char file, int type);
1621	#endif
1622
1623	__owur int SSL_use_PrivateKey_file(SSL ssl, const char file, int type);
1624	__owur int SSL_use_certificate_file(SSL ssl, const char file, int type);
1625
1626	#ifndef OPENSSL_NO_DEPRECATED_3_0
1627	OSSL_DEPRECATEDIN_3_0
1628	__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX ctx, const char file,
1629	int type);
1630	#endif
1631	__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX ctx, const char file,
1632	int type);
1633	__owur int SSL_CTX_use_certificate_file(SSL_CTX ctx, const char file,
1634	int type);
1635	/* PEM type */
1636	__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX ctx, const char file);
1637	__owur int SSL_use_certificate_chain_file(SSL ssl, const char file);
1638	__owur STACK_OF(X509_NAME) SSL_load_client_CA_file(const char file);
1639	__owur STACK_OF(X509_NAME)
1640	SSL_load_client_CA_file_ex(const char file, OSSL_LIB_CTX *libctx,
1641	const char *propq);
1642	__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1643	const char *file);
1644	int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1645	const char *dir);
1646	int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1647	const char *uri);
1648
1649	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1650	# define SSL_load_error_strings() \
1651	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1652	\| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1653	# endif
1654
1655	__owur const char SSL_state_string(const SSL s);
1656	__owur const char SSL_rstate_string(const SSL s);
1657	__owur const char SSL_state_string_long(const SSL s);
1658	__owur const char SSL_rstate_string_long(const SSL s);
1659	__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1660	__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1661	__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1662	__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1663	__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1664	__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1665
1666	__owur const char SSL_SESSION_get0_hostname(const SSL_SESSION s);
1667	__owur int SSL_SESSION_set1_hostname(SSL_SESSION s, const char hostname);
1668	void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1669	const unsigned char **alpn,
1670	size_t *len);
1671	__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1672	const unsigned char *alpn,
1673	size_t len);
1674	__owur const SSL_CIPHER SSL_SESSION_get0_cipher(const SSL_SESSION s);
1675	__owur int SSL_SESSION_set_cipher(SSL_SESSION s, const SSL_CIPHER cipher);
1676	__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1677	__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1678	void SSL_SESSION_get0_ticket(const SSL_SESSION s, const unsigned char *tick,
1679	size_t *len);
1680	__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1681	__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1682	uint32_t max_early_data);
1683	__owur int SSL_copy_session_id(SSL to, const SSL from);
1684	__owur X509 SSL_SESSION_get0_peer(SSL_SESSION s);
1685	__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1686	const unsigned char *sid_ctx,
1687	unsigned int sid_ctx_len);
1688	__owur int SSL_SESSION_set1_id(SSL_SESSION s, const unsigned char sid,
1689	unsigned int sid_len);
1690	__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1691
1692	__owur SSL_SESSION *SSL_SESSION_new(void);
1693	__owur SSL_SESSION SSL_SESSION_dup(const SSL_SESSION src);
1694	const unsigned char SSL_SESSION_get_id(const SSL_SESSION s,
1695	unsigned int *len);
1696	const unsigned char SSL_SESSION_get0_id_context(const SSL_SESSION s,
1697	unsigned int *len);
1698	__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1699	# ifndef OPENSSL_NO_STDIO
1700	int SSL_SESSION_print_fp(FILE fp, const SSL_SESSION ses);
1701	# endif
1702	int SSL_SESSION_print(BIO fp, const SSL_SESSION ses);
1703	int SSL_SESSION_print_keylog(BIO bp, const SSL_SESSION x);
1704	int SSL_SESSION_up_ref(SSL_SESSION *ses);
1705	void SSL_SESSION_free(SSL_SESSION *ses);
1706	__owur int i2d_SSL_SESSION(const SSL_SESSION in, unsigned char *pp);
1707	__owur int SSL_set_session(SSL to, SSL_SESSION session);
1708	int SSL_CTX_add_session(SSL_CTX ctx, SSL_SESSION session);
1709	int SSL_CTX_remove_session(SSL_CTX ctx, SSL_SESSION session);
1710	__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1711	__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1712	__owur int SSL_has_matching_session_id(const SSL *s,
1713	const unsigned char *id,
1714	unsigned int id_len);
1715	SSL_SESSION d2i_SSL_SESSION(SSL_SESSION a, const unsigned char *pp,
1716	long length);
1717
1718	# ifdef OPENSSL_X509_H
1719	__owur X509 SSL_get0_peer_certificate(const SSL s);
1720	__owur X509 SSL_get1_peer_certificate(const SSL s);
1721	/* Deprecated in 3.0.0 */
1722	# ifndef OPENSSL_NO_DEPRECATED_3_0
1723	# define SSL_get_peer_certificate SSL_get1_peer_certificate
1724	# endif
1725	# endif
1726
1727	__owur STACK_OF(X509) SSL_get_peer_cert_chain(const SSL s);
1728
1729	__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1730	__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1731	__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1732	void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1733	void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1734	void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1735	int (cb) (X509_STORE_CTX , void *),
1736	void *arg);
1737	void SSL_CTX_set_cert_cb(SSL_CTX c, int (cb) (SSL ssl, void arg),
1738	void *arg);
1739	# ifndef OPENSSL_NO_DEPRECATED_3_0
1740	OSSL_DEPRECATEDIN_3_0
1741	__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX ctx, RSA rsa);
1742	OSSL_DEPRECATEDIN_3_0
1743	__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX ctx, const unsigned char d,
1744	long len);
1745	# endif
1746	__owur int SSL_CTX_use_PrivateKey(SSL_CTX ctx, EVP_PKEY pkey);
1747	__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1748	const unsigned char *d, long len);
1749	__owur int SSL_CTX_use_certificate(SSL_CTX ctx, X509 x);
1750	__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1751	const unsigned char *d);
1752	__owur int SSL_CTX_use_cert_and_key(SSL_CTX ctx, X509 x509, EVP_PKEY *privatekey,
1753	STACK_OF(X509) *chain, int override);
1754
1755	void SSL_CTX_set_default_passwd_cb(SSL_CTX ctx, pem_password_cb cb);
1756	void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX ctx, void u);
1757	pem_password_cb SSL_CTX_get_default_passwd_cb(SSL_CTX ctx);
1758	void SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX ctx);
1759	void SSL_set_default_passwd_cb(SSL s, pem_password_cb cb);
1760	void SSL_set_default_passwd_cb_userdata(SSL s, void u);
1761	pem_password_cb SSL_get_default_passwd_cb(SSL s);
1762	void SSL_get_default_passwd_cb_userdata(SSL s);
1763
1764	__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1765	__owur int SSL_check_private_key(const SSL *ctx);
1766
1767	__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1768	const unsigned char *sid_ctx,
1769	unsigned int sid_ctx_len);
1770
1771	SSL SSL_new(SSL_CTX ctx);
1772	int SSL_up_ref(SSL *s);
1773	int SSL_is_dtls(const SSL *s);
1774	__owur int SSL_set_session_id_context(SSL ssl, const unsigned char sid_ctx,
1775	unsigned int sid_ctx_len);
1776
1777	__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1778	__owur int SSL_set_purpose(SSL *ssl, int purpose);
1779	__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1780	__owur int SSL_set_trust(SSL *ssl, int trust);
1781
1782	__owur int SSL_set1_host(SSL s, const char hostname);
1783	__owur int SSL_add1_host(SSL s, const char hostname);
1784	__owur const char SSL_get0_peername(SSL s);
1785	void SSL_set_hostflags(SSL *s, unsigned int flags);
1786
1787	__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1788	__owur int SSL_CTX_dane_mtype_set(SSL_CTX ctx, const EVP_MD md,
1789	uint8_t mtype, uint8_t ord);
1790	__owur int SSL_dane_enable(SSL s, const char basedomain);
1791	__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1792	uint8_t mtype, const unsigned char *data, size_t dlen);
1793	__owur int SSL_get0_dane_authority(SSL s, X509 mcert, EVP_PKEY *mspki);
1794	__owur int SSL_get0_dane_tlsa(SSL s, uint8_t usage, uint8_t *selector,
1795	uint8_t mtype, const unsigned char *data,
1796	size_t *dlen);
1797	/*
1798	* Bridge opacity barrier between libcrypt and libssl, also needed to support
1799	* offline testing in test/danetest.c
1800	*/
1801	SSL_DANE SSL_get0_dane(SSL ssl);
1802	/*
1803	* DANE flags
1804	*/
1805	unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1806	unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1807	unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1808	unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1809
1810	__owur int SSL_CTX_set1_param(SSL_CTX ctx, X509_VERIFY_PARAM vpm);
1811	__owur int SSL_set1_param(SSL ssl, X509_VERIFY_PARAM vpm);
1812
1813	__owur X509_VERIFY_PARAM SSL_CTX_get0_param(SSL_CTX ctx);
1814	__owur X509_VERIFY_PARAM SSL_get0_param(SSL ssl);
1815
1816	# ifndef OPENSSL_NO_SRP
1817	# ifndef OPENSSL_NO_DEPRECATED_3_0
1818	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX ctx, char name);
1819	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX ctx, char password);
1820	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1821	OSSL_DEPRECATEDIN_3_0
1822	int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1823	char (cb) (SSL , void ));
1824	OSSL_DEPRECATEDIN_3_0
1825	int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1826	int (cb) (SSL , void *));
1827	OSSL_DEPRECATEDIN_3_0
1828	int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1829	int (cb) (SSL , int , void ));
1830	OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX ctx, void arg);
1831
1832	OSSL_DEPRECATEDIN_3_0
1833	int SSL_set_srp_server_param(SSL s, const BIGNUM N, const BIGNUM *g,
1834	BIGNUM sa, BIGNUM v, char *info);
1835	OSSL_DEPRECATEDIN_3_0
1836	int SSL_set_srp_server_param_pw(SSL s, const char user, const char *pass,
1837	const char *grp);
1838
1839	OSSL_DEPRECATEDIN_3_0 __owur BIGNUM SSL_get_srp_g(SSL s);
1840	OSSL_DEPRECATEDIN_3_0 __owur BIGNUM SSL_get_srp_N(SSL s);
1841
1842	OSSL_DEPRECATEDIN_3_0 __owur char SSL_get_srp_username(SSL s);
1843	OSSL_DEPRECATEDIN_3_0 __owur char SSL_get_srp_userinfo(SSL s);
1844	# endif
1845	# endif
1846
1847	/*
1848	* ClientHello callback and helpers.
1849	*/
1850
1851	# define SSL_CLIENT_HELLO_SUCCESS 1
1852	# define SSL_CLIENT_HELLO_ERROR 0
1853	# define SSL_CLIENT_HELLO_RETRY (-1)
1854
1855	typedef int (SSL_client_hello_cb_fn) (SSL s, int al, void arg);
1856	void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1857	void *arg);
1858	int SSL_client_hello_isv2(SSL *s);
1859	unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1860	size_t SSL_client_hello_get0_random(SSL s, const unsigned char *out);
1861	size_t SSL_client_hello_get0_session_id(SSL s, const unsigned char *out);
1862	size_t SSL_client_hello_get0_ciphers(SSL s, const unsigned char *out);
1863	size_t SSL_client_hello_get0_compression_methods(SSL *s,
1864	const unsigned char **out);
1865	int SSL_client_hello_get1_extensions_present(SSL s, int out, size_t outlen);
1866	int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1867	const unsigned char *out, size_t outlen);
1868
1869	void SSL_certs_clear(SSL *s);
1870	void SSL_free(SSL *ssl);
1871	# ifdef OSSL_ASYNC_FD
1872	/*
1873	* Windows application developer has to include windows.h to use these.
1874	*/
1875	__owur int SSL_waiting_for_async(SSL *s);
1876	__owur int SSL_get_all_async_fds(SSL s, OSSL_ASYNC_FD fds, size_t *numfds);
1877	__owur int SSL_get_changed_async_fds(SSL s, OSSL_ASYNC_FD addfd,
1878	size_t numaddfds, OSSL_ASYNC_FD delfd,
1879	size_t *numdelfds);
1880	__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1881	__owur int SSL_CTX_set_async_callback_arg(SSL_CTX ctx, void arg);
1882	__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1883	__owur int SSL_set_async_callback_arg(SSL s, void arg);
1884	__owur int SSL_get_async_status(SSL s, int status);
1885
1886	# endif
1887	__owur int SSL_accept(SSL *ssl);
1888	__owur int SSL_stateless(SSL *s);
1889	__owur int SSL_connect(SSL *ssl);
1890	__owur int SSL_read(SSL ssl, void buf, int num);
1891	__owur int SSL_read_ex(SSL ssl, void buf, size_t num, size_t *readbytes);
1892
1893	# define SSL_READ_EARLY_DATA_ERROR 0
1894	# define SSL_READ_EARLY_DATA_SUCCESS 1
1895	# define SSL_READ_EARLY_DATA_FINISH 2
1896
1897	__owur int SSL_read_early_data(SSL s, void buf, size_t num,
1898	size_t *readbytes);
1899	__owur int SSL_peek(SSL ssl, void buf, int num);
1900	__owur int SSL_peek_ex(SSL ssl, void buf, size_t num, size_t *readbytes);
1901	__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1902	int flags);
1903	__owur int SSL_write(SSL ssl, const void buf, int num);
1904	__owur int SSL_write_ex(SSL s, const void buf, size_t num, size_t *written);
1905	__owur int SSL_write_early_data(SSL s, const void buf, size_t num,
1906	size_t *written);
1907	long SSL_ctrl(SSL ssl, int cmd, long larg, void parg);
1908	long SSL_callback_ctrl(SSL , int, void ()(void));
1909	long SSL_CTX_ctrl(SSL_CTX ctx, int cmd, long larg, void parg);
1910	long SSL_CTX_callback_ctrl(SSL_CTX , int, void ()(void));
1911
1912	# define SSL_EARLY_DATA_NOT_SENT 0
1913	# define SSL_EARLY_DATA_REJECTED 1
1914	# define SSL_EARLY_DATA_ACCEPTED 2
1915
1916	__owur int SSL_get_early_data_status(const SSL *s);
1917
1918	__owur int SSL_get_error(const SSL *s, int ret_code);
1919	__owur const char SSL_get_version(const SSL s);
1920
1921	/* This sets the 'default' SSL version that SSL_new() will create */
1922	# ifndef OPENSSL_NO_DEPRECATED_3_0
1923	OSSL_DEPRECATEDIN_3_0
1924	__owur int SSL_CTX_set_ssl_version(SSL_CTX ctx, const SSL_METHOD meth);
1925	# endif
1926
1927	# ifndef OPENSSL_NO_SSL3_METHOD
1928	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1929	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD SSLv3_method(void); / SSLv3 */
1930	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
1931	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
1932	# endif
1933	# endif
1934
1935	#define SSLv23_method TLS_method
1936	#define SSLv23_server_method TLS_server_method
1937	#define SSLv23_client_method TLS_client_method
1938
1939	/* Negotiate highest available SSL/TLS version */
1940	__owur const SSL_METHOD *TLS_method(void);
1941	__owur const SSL_METHOD *TLS_server_method(void);
1942	__owur const SSL_METHOD *TLS_client_method(void);
1943
1944	# ifndef OPENSSL_NO_TLS1_METHOD
1945	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1946	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_method(void); / TLSv1.0 */
1947	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
1948	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
1949	# endif
1950	# endif
1951
1952	# ifndef OPENSSL_NO_TLS1_1_METHOD
1953	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1954	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_1_method(void); / TLSv1.1 */
1955	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
1956	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
1957	# endif
1958	# endif
1959
1960	# ifndef OPENSSL_NO_TLS1_2_METHOD
1961	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1962	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD TLSv1_2_method(void); / TLSv1.2 */
1963	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
1964	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
1965	# endif
1966	# endif
1967
1968	# ifndef OPENSSL_NO_DTLS1_METHOD
1969	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1970	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD DTLSv1_method(void); / DTLSv1.0 */
1971	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
1972	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
1973	# endif
1974	# endif
1975
1976	# ifndef OPENSSL_NO_DTLS1_2_METHOD
1977	/* DTLSv1.2 */
1978	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1979	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
1980	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
1981	OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
1982	# endif
1983	# endif
1984
1985	__owur const SSL_METHOD DTLS_method(void); / DTLS 1.0 and 1.2 */
1986	__owur const SSL_METHOD DTLS_server_method(void); / DTLS 1.0 and 1.2 */
1987	__owur const SSL_METHOD DTLS_client_method(void); / DTLS 1.0 and 1.2 */
1988
1989	__owur size_t DTLS_get_data_mtu(const SSL *s);
1990
1991	__owur STACK_OF(SSL_CIPHER) SSL_get_ciphers(const SSL s);
1992	__owur STACK_OF(SSL_CIPHER) SSL_CTX_get_ciphers(const SSL_CTX ctx);
1993	__owur STACK_OF(SSL_CIPHER) SSL_get_client_ciphers(const SSL s);
1994	__owur STACK_OF(SSL_CIPHER) SSL_get1_supported_ciphers(SSL s);
1995
1996	__owur int SSL_do_handshake(SSL *s);
1997	int SSL_key_update(SSL *s, int updatetype);
1998	int SSL_get_key_update_type(const SSL *s);
1999	int SSL_renegotiate(SSL *s);
2000	int SSL_renegotiate_abbreviated(SSL *s);
2001	__owur int SSL_renegotiate_pending(const SSL *s);
2002	int SSL_new_session_ticket(SSL *s);
2003	int SSL_shutdown(SSL *s);
2004	__owur int SSL_verify_client_post_handshake(SSL *s);
2005	void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2006	void SSL_set_post_handshake_auth(SSL *s, int val);
2007
2008	__owur const SSL_METHOD SSL_CTX_get_ssl_method(const SSL_CTX ctx);
2009	__owur const SSL_METHOD SSL_get_ssl_method(const SSL s);
2010	__owur int SSL_set_ssl_method(SSL s, const SSL_METHOD method);
2011	__owur const char *SSL_alert_type_string_long(int value);
2012	__owur const char *SSL_alert_type_string(int value);
2013	__owur const char *SSL_alert_desc_string_long(int value);
2014	__owur const char *SSL_alert_desc_string(int value);
2015
2016	void SSL_set0_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
2017	void SSL_CTX_set0_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
2018	__owur const STACK_OF(X509_NAME) SSL_get0_CA_list(const SSL s);
2019	__owur const STACK_OF(X509_NAME) SSL_CTX_get0_CA_list(const SSL_CTX ctx);
2020	__owur int SSL_add1_to_CA_list(SSL ssl, const X509 x);
2021	__owur int SSL_CTX_add1_to_CA_list(SSL_CTX ctx, const X509 x);
2022	__owur const STACK_OF(X509_NAME) SSL_get0_peer_CA_list(const SSL s);
2023
2024	void SSL_set_client_CA_list(SSL s, STACK_OF(X509_NAME) name_list);
2025	void SSL_CTX_set_client_CA_list(SSL_CTX ctx, STACK_OF(X509_NAME) name_list);
2026	__owur STACK_OF(X509_NAME) SSL_get_client_CA_list(const SSL s);
2027	__owur STACK_OF(X509_NAME) SSL_CTX_get_client_CA_list(const SSL_CTX s);
2028	__owur int SSL_add_client_CA(SSL ssl, X509 x);
2029	__owur int SSL_CTX_add_client_CA(SSL_CTX ctx, X509 x);
2030
2031	void SSL_set_connect_state(SSL *s);
2032	void SSL_set_accept_state(SSL *s);
2033
2034	__owur long SSL_get_default_timeout(const SSL *s);
2035
2036	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2037	# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2038	# endif
2039
2040	__owur char SSL_CIPHER_description(const SSL_CIPHER , char *buf, int size);
2041	__owur STACK_OF(X509_NAME) SSL_dup_CA_list(const STACK_OF(X509_NAME) sk);
2042
2043	__owur SSL SSL_dup(SSL ssl);
2044
2045	__owur X509 SSL_get_certificate(const SSL ssl);
2046	/*
2047	* EVP_PKEY
2048	*/
2049	struct evp_pkey_st SSL_get_privatekey(const SSL ssl);
2050
2051	__owur X509 SSL_CTX_get0_certificate(const SSL_CTX ctx);
2052	__owur EVP_PKEY SSL_CTX_get0_privatekey(const SSL_CTX ctx);
2053
2054	void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2055	__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2056	void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2057	__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2058	void SSL_set_shutdown(SSL *ssl, int mode);
2059	__owur int SSL_get_shutdown(const SSL *ssl);
2060	__owur int SSL_version(const SSL *ssl);
2061	__owur int SSL_client_version(const SSL *s);
2062	__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2063	__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2064	__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2065	__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2066	__owur int SSL_CTX_load_verify_file(SSL_CTX ctx, const char CAfile);
2067	__owur int SSL_CTX_load_verify_dir(SSL_CTX ctx, const char CApath);
2068	__owur int SSL_CTX_load_verify_store(SSL_CTX ctx, const char CAstore);
2069	__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2070	const char *CAfile,
2071	const char *CApath);
2072	# define SSL_get0_session SSL_get_session/* just peek at pointer */
2073	__owur SSL_SESSION SSL_get_session(const SSL ssl);
2074	__owur SSL_SESSION SSL_get1_session(SSL ssl); /* obtain a reference count */
2075	__owur SSL_CTX SSL_get_SSL_CTX(const SSL ssl);
2076	SSL_CTX SSL_set_SSL_CTX(SSL ssl, SSL_CTX *ctx);
2077	void SSL_set_info_callback(SSL *ssl,
2078	void (cb) (const SSL ssl, int type, int val));
2079	void (SSL_get_info_callback(const SSL ssl)) (const SSL *ssl, int type,
2080	int val);
2081	__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2082
2083	void SSL_set_verify_result(SSL *ssl, long v);
2084	__owur long SSL_get_verify_result(const SSL *ssl);
2085	__owur STACK_OF(X509) SSL_get0_verified_chain(const SSL s);
2086
2087	__owur size_t SSL_get_client_random(const SSL ssl, unsigned char out,
2088	size_t outlen);
2089	__owur size_t SSL_get_server_random(const SSL ssl, unsigned char out,
2090	size_t outlen);
2091	__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2092	unsigned char *out, size_t outlen);
2093	__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2094	const unsigned char *in, size_t len);
2095	uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2096
2097	#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2098	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2099	__owur int SSL_set_ex_data(SSL ssl, int idx, void data);
2100	void SSL_get_ex_data(const SSL ssl, int idx);
2101	#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2102	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2103	__owur int SSL_SESSION_set_ex_data(SSL_SESSION ss, int idx, void data);
2104	void SSL_SESSION_get_ex_data(const SSL_SESSION ss, int idx);
2105	#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2106	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2107	__owur int SSL_CTX_set_ex_data(SSL_CTX ssl, int idx, void data);
2108	void SSL_CTX_get_ex_data(const SSL_CTX ssl, int idx);
2109
2110	__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2111
2112	# define SSL_CTX_sess_set_cache_size(ctx,t) \
2113	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2114	# define SSL_CTX_sess_get_cache_size(ctx) \
2115	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2116	# define SSL_CTX_set_session_cache_mode(ctx,m) \
2117	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2118	# define SSL_CTX_get_session_cache_mode(ctx) \
2119	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2120
2121	# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2122	# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2123	# define SSL_CTX_get_read_ahead(ctx) \
2124	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2125	# define SSL_CTX_set_read_ahead(ctx,m) \
2126	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2127	# define SSL_CTX_get_max_cert_list(ctx) \
2128	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2129	# define SSL_CTX_set_max_cert_list(ctx,m) \
2130	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2131	# define SSL_get_max_cert_list(ssl) \
2132	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2133	# define SSL_set_max_cert_list(ssl,m) \
2134	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2135
2136	# define SSL_CTX_set_max_send_fragment(ctx,m) \
2137	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2138	# define SSL_set_max_send_fragment(ssl,m) \
2139	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2140	# define SSL_CTX_set_split_send_fragment(ctx,m) \
2141	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2142	# define SSL_set_split_send_fragment(ssl,m) \
2143	SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2144	# define SSL_CTX_set_max_pipelines(ctx,m) \
2145	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2146	# define SSL_set_max_pipelines(ssl,m) \
2147	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2148	# define SSL_set_retry_verify(ssl) \
2149	(SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2150
2151	void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2152	void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2153
2154	# ifndef OPENSSL_NO_DH
2155	# ifndef OPENSSL_NO_DEPRECATED_3_0
2156	/* NB: the \|keylength\| is only applicable when is_export is true */
2157	OSSL_DEPRECATEDIN_3_0
2158	void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2159	DH (dh) (SSL *ssl, int is_export,
2160	int keylength));
2161	OSSL_DEPRECATEDIN_3_0
2162	void SSL_set_tmp_dh_callback(SSL *ssl,
2163	DH (dh) (SSL *ssl, int is_export,
2164	int keylength));
2165	# endif
2166	# endif
2167
2168	__owur const COMP_METHOD SSL_get_current_compression(const SSL s);
2169	__owur const COMP_METHOD SSL_get_current_expansion(const SSL s);
2170	__owur const char SSL_COMP_get_name(const COMP_METHOD comp);
2171	__owur const char SSL_COMP_get0_name(const SSL_COMP comp);
2172	__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2173	STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2174	__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2175	*meths);
2176	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2177	# define SSL_COMP_free_compression_methods() while(0) continue
2178	# endif
2179	__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2180
2181	const SSL_CIPHER SSL_CIPHER_find(SSL ssl, const unsigned char *ptr);
2182	int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2183	int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2184	int SSL_bytes_to_cipher_list(SSL s, const unsigned char bytes, size_t len,
2185	int isv2format, STACK_OF(SSL_CIPHER) **sk,
2186	STACK_OF(SSL_CIPHER) **scsvs);
2187
2188	/* TLS extensions functions */
2189	__owur int SSL_set_session_ticket_ext(SSL s, void ext_data, int ext_len);
2190
2191	__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2192	tls_session_ticket_ext_cb_fn cb,
2193	void *arg);
2194
2195	/* Pre-shared secret session resumption functions */
2196	__owur int SSL_set_session_secret_cb(SSL *s,
2197	tls_session_secret_cb_fn session_secret_cb,
2198	void *arg);
2199
2200	void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2201	int (cb) (SSL ssl,
2202	int
2203	is_forward_secure));
2204
2205	void SSL_set_not_resumable_session_callback(SSL *ssl,
2206	int (cb) (SSL ssl,
2207	int is_forward_secure));
2208
2209	void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2210	size_t (cb) (SSL ssl, int type,
2211	size_t len, void *arg));
2212	void SSL_CTX_set_record_padding_callback_arg(SSL_CTX ctx, void arg);
2213	void SSL_CTX_get_record_padding_callback_arg(const SSL_CTX ctx);
2214	int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2215
2216	int SSL_set_record_padding_callback(SSL *ssl,
2217	size_t (cb) (SSL ssl, int type,
2218	size_t len, void *arg));
2219	void SSL_set_record_padding_callback_arg(SSL ssl, void arg);
2220	void SSL_get_record_padding_callback_arg(const SSL ssl);
2221	int SSL_set_block_padding(SSL *ssl, size_t block_size);
2222
2223	int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2224	size_t SSL_get_num_tickets(const SSL *s);
2225	int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2226	size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2227
2228	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2229	# define SSL_cache_hit(s) SSL_session_reused(s)
2230	# endif
2231
2232	__owur int SSL_session_reused(const SSL *s);
2233	__owur int SSL_is_server(const SSL *s);
2234
2235	__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2236	int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2237	void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2238	unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2239	__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2240	unsigned int flags);
2241	__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX cctx, const char pre);
2242
2243	void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX cctx, SSL ssl);
2244	void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX cctx, SSL_CTX ctx);
2245
2246	__owur int SSL_CONF_cmd(SSL_CONF_CTX cctx, const char cmd, const char *value);
2247	__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX cctx, int pargc, char ***pargv);
2248	__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX cctx, const char cmd);
2249
2250	void SSL_add_ssl_module(void);
2251	int SSL_config(SSL s, const char name);
2252	int SSL_CTX_config(SSL_CTX ctx, const char name);
2253
2254	# ifndef OPENSSL_NO_SSL_TRACE
2255	void SSL_trace(int write_p, int version, int content_type,
2256	const void buf, size_t len, SSL ssl, void *arg);
2257	# endif
2258
2259	# ifndef OPENSSL_NO_SOCK
2260	int DTLSv1_listen(SSL s, BIO_ADDR client);
2261	# endif
2262
2263	# ifndef OPENSSL_NO_CT
2264
2265	/*
2266	* A callback for verifying that the received SCTs are sufficient.
2267	* Expected to return 1 if they are sufficient, otherwise 0.
2268	* May return a negative integer if an error occurs.
2269	* A connection should be aborted if the SCTs are deemed insufficient.
2270	*/
2271	typedef int (ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX ctx,
2272	const STACK_OF(SCT) scts, void arg);
2273
2274	/*
2275	* Sets a \|callback\| that is invoked upon receipt of ServerHelloDone to validate
2276	* the received SCTs.
2277	* If the callback returns a non-positive result, the connection is terminated.
2278	* Call this function before beginning a handshake.
2279	* If a NULL \|callback\| is provided, SCT validation is disabled.
2280	* \|arg\| is arbitrary userdata that will be passed to the callback whenever it
2281	* is invoked. Ownership of \|arg\| remains with the caller.
2282	*
2283	* NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2284	* will be requested.
2285	*/
2286	int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2287	void *arg);
2288	int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2289	ssl_ct_validation_cb callback,
2290	void *arg);
2291	#define SSL_disable_ct(s) \
2292	((void) SSL_set_validation_callback((s), NULL, NULL))
2293	#define SSL_CTX_disable_ct(ctx) \
2294	((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2295
2296	/*
2297	* The validation type enumerates the available behaviours of the built-in SSL
2298	* CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2299	* The underlying callback is a static function in libssl.
2300	*/
2301	enum {
2302	SSL_CT_VALIDATION_PERMISSIVE = 0,
2303	SSL_CT_VALIDATION_STRICT
2304	};
2305
2306	/*
2307	* Enable CT by setting up a callback that implements one of the built-in
2308	* validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2309	* continues the handshake, the application can make appropriate decisions at
2310	* handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2311	* least one valid SCT, or else handshake termination will be requested. The
2312	* handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2313	*/
2314	int SSL_enable_ct(SSL *s, int validation_mode);
2315	int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2316
2317	/*
2318	* Report whether a non-NULL callback is enabled.
2319	*/
2320	int SSL_ct_is_enabled(const SSL *s);
2321	int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2322
2323	/* Gets the SCTs received from a connection */
2324	const STACK_OF(SCT) SSL_get0_peer_scts(SSL s);
2325
2326	/*
2327	* Loads the CT log list from the default location.
2328	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2329	* the log information loaded from this file will be appended to the
2330	* CTLOG_STORE.
2331	* Returns 1 on success, 0 otherwise.
2332	*/
2333	int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2334
2335	/*
2336	* Loads the CT log list from the specified file path.
2337	* If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2338	* the log information loaded from this file will be appended to the
2339	* CTLOG_STORE.
2340	* Returns 1 on success, 0 otherwise.
2341	*/
2342	int SSL_CTX_set_ctlog_list_file(SSL_CTX ctx, const char path);
2343
2344	/*
2345	* Sets the CT log list used by all SSL connections created from this SSL_CTX.
2346	* Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2347	*/
2348	void SSL_CTX_set0_ctlog_store(SSL_CTX ctx, CTLOG_STORE logs);
2349
2350	/*
2351	* Gets the CT log list used by all SSL connections created from this SSL_CTX.
2352	* This will be NULL unless one of the following functions has been called:
2353	* - SSL_CTX_set_default_ctlog_list_file
2354	* - SSL_CTX_set_ctlog_list_file
2355	* - SSL_CTX_set_ctlog_store
2356	*/
2357	const CTLOG_STORE SSL_CTX_get0_ctlog_store(const SSL_CTX ctx);
2358
2359	# endif /* OPENSSL_NO_CT */
2360
2361	/* What the "other" parameter contains in security callback */
2362	/* Mask for type */
2363	# define SSL_SECOP_OTHER_TYPE 0xffff0000
2364	# define SSL_SECOP_OTHER_NONE 0
2365	# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2366	# define SSL_SECOP_OTHER_CURVE (2 << 16)
2367	# define SSL_SECOP_OTHER_DH (3 << 16)
2368	# define SSL_SECOP_OTHER_PKEY (4 << 16)
2369	# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2370	# define SSL_SECOP_OTHER_CERT (6 << 16)
2371
2372	/* Indicated operation refers to peer key or certificate */
2373	# define SSL_SECOP_PEER 0x1000
2374
2375	/* Values for "op" parameter in security callback */
2376
2377	/* Called to filter ciphers */
2378	/* Ciphers client supports */
2379	# define SSL_SECOP_CIPHER_SUPPORTED (1 \| SSL_SECOP_OTHER_CIPHER)
2380	/* Cipher shared by client/server */
2381	# define SSL_SECOP_CIPHER_SHARED (2 \| SSL_SECOP_OTHER_CIPHER)
2382	/* Sanity check of cipher server selects */
2383	# define SSL_SECOP_CIPHER_CHECK (3 \| SSL_SECOP_OTHER_CIPHER)
2384	/* Curves supported by client */
2385	# define SSL_SECOP_CURVE_SUPPORTED (4 \| SSL_SECOP_OTHER_CURVE)
2386	/* Curves shared by client/server */
2387	# define SSL_SECOP_CURVE_SHARED (5 \| SSL_SECOP_OTHER_CURVE)
2388	/* Sanity check of curve server selects */
2389	# define SSL_SECOP_CURVE_CHECK (6 \| SSL_SECOP_OTHER_CURVE)
2390	/* Temporary DH key */
2391	# define SSL_SECOP_TMP_DH (7 \| SSL_SECOP_OTHER_PKEY)
2392	/* SSL/TLS version */
2393	# define SSL_SECOP_VERSION (9 \| SSL_SECOP_OTHER_NONE)
2394	/* Session tickets */
2395	# define SSL_SECOP_TICKET (10 \| SSL_SECOP_OTHER_NONE)
2396	/* Supported signature algorithms sent to peer */
2397	# define SSL_SECOP_SIGALG_SUPPORTED (11 \| SSL_SECOP_OTHER_SIGALG)
2398	/* Shared signature algorithm */
2399	# define SSL_SECOP_SIGALG_SHARED (12 \| SSL_SECOP_OTHER_SIGALG)
2400	/* Sanity check signature algorithm allowed */
2401	# define SSL_SECOP_SIGALG_CHECK (13 \| SSL_SECOP_OTHER_SIGALG)
2402	/* Used to get mask of supported public key signature algorithms */
2403	# define SSL_SECOP_SIGALG_MASK (14 \| SSL_SECOP_OTHER_SIGALG)
2404	/* Use to see if compression is allowed */
2405	# define SSL_SECOP_COMPRESSION (15 \| SSL_SECOP_OTHER_NONE)
2406	/* EE key in certificate */
2407	# define SSL_SECOP_EE_KEY (16 \| SSL_SECOP_OTHER_CERT)
2408	/* CA key in certificate */
2409	# define SSL_SECOP_CA_KEY (17 \| SSL_SECOP_OTHER_CERT)
2410	/* CA digest algorithm in certificate */
2411	# define SSL_SECOP_CA_MD (18 \| SSL_SECOP_OTHER_CERT)
2412	/* Peer EE key in certificate */
2413	# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY \| SSL_SECOP_PEER)
2414	/* Peer CA key in certificate */
2415	# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY \| SSL_SECOP_PEER)
2416	/* Peer CA digest algorithm in certificate */
2417	# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD \| SSL_SECOP_PEER)
2418
2419	void SSL_set_security_level(SSL *s, int level);
2420	__owur int SSL_get_security_level(const SSL *s);
2421	void SSL_set_security_callback(SSL *s,
2422	int (cb) (const SSL s, const SSL_CTX *ctx,
2423	int op, int bits, int nid,
2424	void other, void ex));
2425	int (SSL_get_security_callback(const SSL s)) (const SSL *s,
2426	const SSL_CTX *ctx, int op,
2427	int bits, int nid, void *other,
2428	void *ex);
2429	void SSL_set0_security_ex_data(SSL s, void ex);
2430	__owur void SSL_get0_security_ex_data(const SSL s);
2431
2432	void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2433	__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2434	void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2435	int (cb) (const SSL s, const SSL_CTX *ctx,
2436	int op, int bits, int nid,
2437	void other, void ex));
2438	int (SSL_CTX_get_security_callback(const SSL_CTX ctx)) (const SSL *s,
2439	const SSL_CTX *ctx,
2440	int op, int bits,
2441	int nid,
2442	void *other,
2443	void *ex);
2444	void SSL_CTX_set0_security_ex_data(SSL_CTX ctx, void ex);
2445	__owur void SSL_CTX_get0_security_ex_data(const SSL_CTX ctx);
2446
2447	/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2448	# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2449	# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2450
2451	# define OPENSSL_INIT_SSL_DEFAULT \
2452	(OPENSSL_INIT_LOAD_SSL_STRINGS \| OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2453
2454	int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2455
2456	# ifndef OPENSSL_NO_UNIT_TEST
2457	__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2458	# endif
2459
2460	__owur int SSL_free_buffers(SSL *ssl);
2461	__owur int SSL_alloc_buffers(SSL *ssl);
2462
2463	/* Status codes passed to the decrypt session ticket callback. Some of these
2464	* are for internal use only and are never passed to the callback. */
2465	typedef int SSL_TICKET_STATUS;
2466
2467	/* Support for ticket appdata */
2468	/* fatal error, malloc failure */
2469	# define SSL_TICKET_FATAL_ERR_MALLOC 0
2470	/* fatal error, either from parsing or decrypting the ticket */
2471	# define SSL_TICKET_FATAL_ERR_OTHER 1
2472	/* No ticket present */
2473	# define SSL_TICKET_NONE 2
2474	/* Empty ticket present */
2475	# define SSL_TICKET_EMPTY 3
2476	/* the ticket couldn't be decrypted */
2477	# define SSL_TICKET_NO_DECRYPT 4
2478	/* a ticket was successfully decrypted */
2479	# define SSL_TICKET_SUCCESS 5
2480	/* same as above but the ticket needs to be renewed */
2481	# define SSL_TICKET_SUCCESS_RENEW 6
2482
2483	/* Return codes for the decrypt session ticket callback */
2484	typedef int SSL_TICKET_RETURN;
2485
2486	/* An error occurred */
2487	#define SSL_TICKET_RETURN_ABORT 0
2488	/* Do not use the ticket, do not send a renewed ticket to the client */
2489	#define SSL_TICKET_RETURN_IGNORE 1
2490	/* Do not use the ticket, send a renewed ticket to the client */
2491	#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2492	/* Use the ticket, do not send a renewed ticket to the client */
2493	#define SSL_TICKET_RETURN_USE 3
2494	/* Use the ticket, send a renewed ticket to the client */
2495	#define SSL_TICKET_RETURN_USE_RENEW 4
2496
2497	typedef int (SSL_CTX_generate_session_ticket_fn)(SSL s, void *arg);
2498	typedef SSL_TICKET_RETURN (SSL_CTX_decrypt_session_ticket_fn)(SSL s, SSL_SESSION *ss,
2499	const unsigned char *keyname,
2500	size_t keyname_length,
2501	SSL_TICKET_STATUS status,
2502	void *arg);
2503	int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2504	SSL_CTX_generate_session_ticket_fn gen_cb,
2505	SSL_CTX_decrypt_session_ticket_fn dec_cb,
2506	void *arg);
2507	int SSL_SESSION_set1_ticket_appdata(SSL_SESSION ss, const void data, size_t len);
2508	int SSL_SESSION_get0_ticket_appdata(SSL_SESSION ss, void data, size_t len);
2509
2510	typedef unsigned int (DTLS_timer_cb)(SSL s, unsigned int timer_us);
2511
2512	void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2513
2514
2515	typedef int (SSL_allow_early_data_cb_fn)(SSL s, void *arg);
2516	void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2517	SSL_allow_early_data_cb_fn cb,
2518	void *arg);
2519	void SSL_set_allow_early_data_cb(SSL *s,
2520	SSL_allow_early_data_cb_fn cb,
2521	void *arg);
2522
2523	/* store the default cipher strings inside the library */
2524	const char *OSSL_default_cipher_list(void);
2525	const char *OSSL_default_ciphersuites(void);
2526
2527	# ifdef __cplusplus
2528	}
2529	# endif
2530	#endif

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