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source: vbox/trunk/src/libs/openssl-3.4.1/include/openssl/ssl.h.in

Last change on this file was 109052, checked in by vboxsync, 3 weeks ago

openssl-3.4.1: Applied our changes, regenerated files, added missing files and functions. This time with a three way merge. ​bugref:10890
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File size: 126.1 KB
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1/*
2 * {- join("\n * ", @autowarntext) -}
3 *
4 * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
5 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
6 * Copyright 2005 Nokia. All rights reserved.
7 *
8 * Licensed under the Apache License 2.0 (the "License"). You may not use
9 * this file except in compliance with the License. You can obtain a copy
10 * in the file LICENSE in the source distribution or at
11 * https://www.openssl.org/source/license.html
12 */
13
14{-
15use OpenSSL::stackhash qw(generate_stack_macros generate_const_stack_macros);
16-}
17
18#ifndef OPENSSL_SSL_H
19# define OPENSSL_SSL_H
20# pragma once
21
22# include <openssl/macros.h>
23# ifndef OPENSSL_NO_DEPRECATED_3_0
24# define HEADER_SSL_H
25# endif
26
27# include <openssl/e_os2.h>
28# include <openssl/e_ostime.h>
29# include <openssl/opensslconf.h>
30# include <openssl/comp.h>
31# include <openssl/bio.h>
32# ifndef OPENSSL_NO_DEPRECATED_1_1_0
33# include <openssl/x509.h>
34# include <openssl/crypto.h>
35# include <openssl/buffer.h>
36# endif
37# include <openssl/lhash.h>
38# include <openssl/pem.h>
39# include <openssl/hmac.h>
40# include <openssl/async.h>
41
42# include <openssl/safestack.h>
43# include <openssl/symhacks.h>
44# include <openssl/ct.h>
45# include <openssl/sslerr.h>
46# include <openssl/prov_ssl.h>
47# ifndef OPENSSL_NO_STDIO
48# include <stdio.h>
49# endif
50
51#ifdef __cplusplus
52extern "C" {
53#endif
54
55/* OpenSSL version number for ASN.1 encoding of the session information */
56/*-
57 * Version 0 - initial version
58 * Version 1 - added the optional peer certificate
59 */
60# define SSL_SESSION_ASN1_VERSION 0x0001
61
62# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
63# define SSL_MAX_SID_CTX_LENGTH 32
64
65# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
66# define SSL_MAX_KEY_ARG_LENGTH 8
67/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
68
69/* The maximum number of encrypt/decrypt pipelines we can support */
70# define SSL_MAX_PIPELINES 32
71
72/* text strings for the ciphers */
73
74/* These are used to specify which ciphers to use and not to use */
75
76# define SSL_TXT_LOW "LOW"
77# define SSL_TXT_MEDIUM "MEDIUM"
78# define SSL_TXT_HIGH "HIGH"
79# define SSL_TXT_FIPS "FIPS"
80
81# define SSL_TXT_aNULL "aNULL"
82# define SSL_TXT_eNULL "eNULL"
83# define SSL_TXT_NULL "NULL"
84
85# define SSL_TXT_kRSA "kRSA"
86# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
87# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
88# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
89# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
90# define SSL_TXT_kDHE "kDHE"
91# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
92# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
93# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
94# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
95# define SSL_TXT_kECDHE "kECDHE"
96# define SSL_TXT_kPSK "kPSK"
97# define SSL_TXT_kRSAPSK "kRSAPSK"
98# define SSL_TXT_kECDHEPSK "kECDHEPSK"
99# define SSL_TXT_kDHEPSK "kDHEPSK"
100# define SSL_TXT_kGOST "kGOST"
101# define SSL_TXT_kGOST18 "kGOST18"
102# define SSL_TXT_kSRP "kSRP"
103
104# define SSL_TXT_aRSA "aRSA"
105# define SSL_TXT_aDSS "aDSS"
106# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
107# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
108# define SSL_TXT_aECDSA "aECDSA"
109# define SSL_TXT_aPSK "aPSK"
110# define SSL_TXT_aGOST94 "aGOST94"
111# define SSL_TXT_aGOST01 "aGOST01"
112# define SSL_TXT_aGOST12 "aGOST12"
113# define SSL_TXT_aGOST "aGOST"
114# define SSL_TXT_aSRP "aSRP"
115
116# define SSL_TXT_DSS "DSS"
117# define SSL_TXT_DH "DH"
118# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
119# define SSL_TXT_EDH "EDH"/* alias for DHE */
120# define SSL_TXT_ADH "ADH"
121# define SSL_TXT_RSA "RSA"
122# define SSL_TXT_ECDH "ECDH"
123# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
124# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
125# define SSL_TXT_AECDH "AECDH"
126# define SSL_TXT_ECDSA "ECDSA"
127# define SSL_TXT_PSK "PSK"
128# define SSL_TXT_SRP "SRP"
129
130# define SSL_TXT_DES "DES"
131# define SSL_TXT_3DES "3DES"
132# define SSL_TXT_RC4 "RC4"
133# define SSL_TXT_RC2 "RC2"
134# define SSL_TXT_IDEA "IDEA"
135# define SSL_TXT_SEED "SEED"
136# define SSL_TXT_AES128 "AES128"
137# define SSL_TXT_AES256 "AES256"
138# define SSL_TXT_AES "AES"
139# define SSL_TXT_AES_GCM "AESGCM"
140# define SSL_TXT_AES_CCM "AESCCM"
141# define SSL_TXT_AES_CCM_8 "AESCCM8"
142# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
143# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
144# define SSL_TXT_CAMELLIA "CAMELLIA"
145# define SSL_TXT_CHACHA20 "CHACHA20"
146# define SSL_TXT_GOST "GOST89"
147# define SSL_TXT_ARIA "ARIA"
148# define SSL_TXT_ARIA_GCM "ARIAGCM"
149# define SSL_TXT_ARIA128 "ARIA128"
150# define SSL_TXT_ARIA256 "ARIA256"
151# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
152# define SSL_TXT_CBC "CBC"
153
154# define SSL_TXT_MD5 "MD5"
155# define SSL_TXT_SHA1 "SHA1"
156# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
157# define SSL_TXT_GOST94 "GOST94"
158# define SSL_TXT_GOST89MAC "GOST89MAC"
159# define SSL_TXT_GOST12 "GOST12"
160# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
161# define SSL_TXT_SHA256 "SHA256"
162# define SSL_TXT_SHA384 "SHA384"
163
164# define SSL_TXT_SSLV3 "SSLv3"
165# define SSL_TXT_TLSV1 "TLSv1"
166# define SSL_TXT_TLSV1_1 "TLSv1.1"
167# define SSL_TXT_TLSV1_2 "TLSv1.2"
168
169# define SSL_TXT_ALL "ALL"
170
171/*-
172 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
173 * ciphers normally not being used.
174 * Example: "RC4" will activate all ciphers using RC4 including ciphers
175 * without authentication, which would normally disabled by DEFAULT (due
176 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
177 * will make sure that it is also disabled in the specific selection.
178 * COMPLEMENTOF* identifiers are portable between version, as adjustments
179 * to the default cipher setup will also be included here.
180 *
181 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
182 * DEFAULT gets, as only selection is being done and no sorting as needed
183 * for DEFAULT.
184 */
185# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
186# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
187
188/*
189 * The following cipher list is used by default. It also is substituted when
190 * an application-defined cipher list string starts with 'DEFAULT'.
191 * This applies to ciphersuites for TLSv1.2 and below.
192 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
193 * Update both macro and function simultaneously
194 */
195# ifndef OPENSSL_NO_DEPRECATED_3_0
196# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
197/*
198 * This is the default set of TLSv1.3 ciphersuites
199 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
200 * Update both macro and function simultaneously
201 */
202# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
203 "TLS_CHACHA20_POLY1305_SHA256:" \
204 "TLS_AES_128_GCM_SHA256"
205# endif
206/*
207 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
208 * starts with a reasonable order, and all we have to do for DEFAULT is
209 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
210 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
211 */
212
213/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
214# define SSL_SENT_SHUTDOWN 1
215# define SSL_RECEIVED_SHUTDOWN 2
216
217#ifdef __cplusplus
218}
219#endif
220
221#ifdef __cplusplus
222extern "C" {
223#endif
224
225# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
226# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
227
228/*
229 * This is needed to stop compilers complaining about the 'struct ssl_st *'
230 * function parameters used to prototype callbacks in SSL_CTX.
231 */
232typedef struct ssl_st *ssl_crock_st;
233typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
234typedef struct ssl_method_st SSL_METHOD;
235typedef struct ssl_cipher_st SSL_CIPHER;
236typedef struct ssl_session_st SSL_SESSION;
237typedef struct tls_sigalgs_st TLS_SIGALGS;
238typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
239
240STACK_OF(SSL_CIPHER);
241
242/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
243typedef struct srtp_protection_profile_st {
244 const char *name;
245 unsigned long id;
246} SRTP_PROTECTION_PROFILE;
247{-
248 generate_stack_macros("SRTP_PROTECTION_PROFILE");
249-}
250
251
252typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
253 int len, void *arg);
254typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
255 STACK_OF(SSL_CIPHER) *peer_ciphers,
256 const SSL_CIPHER **cipher, void *arg);
257
258/* Extension context codes */
259/* This extension is only allowed in TLS */
260#define SSL_EXT_TLS_ONLY 0x00001
261/* This extension is only allowed in DTLS */
262#define SSL_EXT_DTLS_ONLY 0x00002
263/* Some extensions may be allowed in DTLS but we don't implement them for it */
264#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x00004
265/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
266#define SSL_EXT_SSL3_ALLOWED 0x00008
267/* Extension is only defined for TLS1.2 and below */
268#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x00010
269/* Extension is only defined for TLS1.3 and above */
270#define SSL_EXT_TLS1_3_ONLY 0x00020
271/* Ignore this extension during parsing if we are resuming */
272#define SSL_EXT_IGNORE_ON_RESUMPTION 0x00040
273#define SSL_EXT_CLIENT_HELLO 0x00080
274/* Really means TLS1.2 or below */
275#define SSL_EXT_TLS1_2_SERVER_HELLO 0x00100
276#define SSL_EXT_TLS1_3_SERVER_HELLO 0x00200
277#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x00400
278#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x00800
279#define SSL_EXT_TLS1_3_CERTIFICATE 0x01000
280#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x02000
281#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x04000
282#define SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION 0x08000
283/* When sending a raw public key in a certificate message */
284#define SSL_EXT_TLS1_3_RAW_PUBLIC_KEY 0x10000
285
286/* Typedefs for handling custom extensions */
287
288typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
289 const unsigned char **out, size_t *outlen,
290 int *al, void *add_arg);
291
292typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
293 const unsigned char *out, void *add_arg);
294
295typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
296 const unsigned char *in, size_t inlen,
297 int *al, void *parse_arg);
298
299
300typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
301 unsigned int context,
302 const unsigned char **out,
303 size_t *outlen, X509 *x,
304 size_t chainidx,
305 int *al, void *add_arg);
306
307typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
308 unsigned int context,
309 const unsigned char *out,
310 void *add_arg);
311
312typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
313 unsigned int context,
314 const unsigned char *in,
315 size_t inlen, X509 *x,
316 size_t chainidx,
317 int *al, void *parse_arg);
318
319/* Typedef for verification callback */
320typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
321
322/* Typedef for SSL async callback */
323typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
324
325#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
326
327/*
328 * SSL/TLS connection options.
329 */
330 /* Disable Extended master secret */
331# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
332 /* Cleanse plaintext copies of data delivered to the application */
333# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
334 /* Allow initial connection to servers that don't support RI */
335# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
336 /* Enable support for Kernel TLS */
337# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
338# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
339# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
340# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
341# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
342# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
343 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
344# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
345 /*
346 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
347 * in OpenSSL 0.9.6d. Usually (depending on the application protocol)
348 * the workaround is not needed. Unfortunately some broken SSL/TLS
349 * implementations cannot handle it at all, which is why we include it
350 * in SSL_OP_ALL. Added in 0.9.6e
351 */
352# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
353 /* DTLS options */
354# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
355 /* Turn on Cookie Exchange (on relevant for servers) */
356# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
357 /* Don't use RFC4507 ticket extension */
358# define SSL_OP_NO_TICKET SSL_OP_BIT(14)
359# ifndef OPENSSL_NO_DTLS1_METHOD
360 /*
361 * Use Cisco's version identifier of DTLS_BAD_VER
362 * (only with deprecated DTLSv1_client_method())
363 */
364# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
365# endif
366 /* As server, disallow session resumption on renegotiation */
367# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
368 /* Don't use compression even if supported */
369# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
370 /* Permit unsafe legacy renegotiation */
371# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
372 /* Disable encrypt-then-mac */
373# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
374 /*
375 * Enable TLSv1.3 Compatibility mode. This is on by default. A future
376 * version of OpenSSL may have this disabled by default.
377 */
378# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
379 /*
380 * Prioritize Chacha20Poly1305 when client does.
381 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE
382 */
383# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
384 /*
385 * Set on servers to choose the cipher according to server's preferences.
386 */
387# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22)
388 /*
389 * If set, a server will allow a client to issue a SSLv3.0 version
390 * number as latest version supported in the premaster secret, even when
391 * TLSv1.0 (version 3.1) was announced in the client hello. Normally
392 * this is forbidden to prevent version rollback attacks.
393 */
394# define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
395 /*
396 * Switches off automatic TLSv1.3 anti-replay protection for early data.
397 * This is a server-side option only (no effect on the client).
398 */
399# define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
400# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
401# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
402# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
403# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
404# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
405# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
406# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
407 /* Disallow all renegotiation */
408# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
409 /*
410 * Make server add server-hello extension from early version of
411 * cryptopro draft, when GOST ciphersuite is negotiated. Required for
412 * interoperability with CryptoPro CSP 3.x
413 */
414# define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
415/*
416 * Disable RFC8879 certificate compression
417 * SSL_OP_NO_TX_CERTIFICATE_COMPRESSION: don't send compressed certificates,
418 * and ignore the extension when received.
419 * SSL_OP_NO_RX_CERTIFICATE_COMPRESSION: don't send the extension, and
420 * subsequently indicating that receiving is not supported
421 */
422# define SSL_OP_NO_TX_CERTIFICATE_COMPRESSION SSL_OP_BIT(32)
423# define SSL_OP_NO_RX_CERTIFICATE_COMPRESSION SSL_OP_BIT(33)
424 /* Enable KTLS TX zerocopy on Linux */
425# define SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE SSL_OP_BIT(34)
426
427#define SSL_OP_PREFER_NO_DHE_KEX SSL_OP_BIT(35)
428
429/*
430 * Option "collections."
431 */
432# define SSL_OP_NO_SSL_MASK \
433 ( SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 \
434 | SSL_OP_NO_TLSv1_2 | SSL_OP_NO_TLSv1_3 )
435# define SSL_OP_NO_DTLS_MASK \
436 ( SSL_OP_NO_DTLSv1 | SSL_OP_NO_DTLSv1_2 )
437
438/* Various bug workarounds that should be rather harmless. */
439# define SSL_OP_ALL \
440 ( SSL_OP_CRYPTOPRO_TLSEXT_BUG | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
441 | SSL_OP_TLSEXT_PADDING | SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
442
443/*
444 * OBSOLETE OPTIONS retained for compatibility
445 */
446
447# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
448# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
449# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
450# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
451# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
452# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
453# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
454# define SSL_OP_TLS_D5_BUG 0x0
455# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
456# define SSL_OP_SINGLE_ECDH_USE 0x0
457# define SSL_OP_SINGLE_DH_USE 0x0
458# define SSL_OP_EPHEMERAL_RSA 0x0
459# define SSL_OP_NO_SSLv2 0x0
460# define SSL_OP_PKCS1_CHECK_1 0x0
461# define SSL_OP_PKCS1_CHECK_2 0x0
462# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
463# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
464
465/*
466 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
467 * when just a single record has been written):
468 */
469# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
470/*
471 * Make it possible to retry SSL_write() with changed buffer location (buffer
472 * contents must stay the same!); this is not the default to avoid the
473 * misconception that non-blocking SSL_write() behaves like non-blocking
474 * write():
475 */
476# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
477/*
478 * Never bother the application with retries if the transport is blocking:
479 */
480# define SSL_MODE_AUTO_RETRY 0x00000004U
481/* Don't attempt to automatically build certificate chain */
482# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
483/*
484 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
485 * TLS only.) Released buffers are freed.
486 */
487# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
488/*
489 * Send the current time in the Random fields of the ClientHello and
490 * ServerHello records for compatibility with hypothetical implementations
491 * that require it.
492 */
493# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
494# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
495/*
496 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
497 * that reconnect with a downgraded protocol version; see
498 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
499 * application attempts a normal handshake. Only use this in explicit
500 * fallback retries, following the guidance in
501 * draft-ietf-tls-downgrade-scsv-00.
502 */
503# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
504/*
505 * Support Asynchronous operation
506 */
507# define SSL_MODE_ASYNC 0x00000100U
508
509/*
510 * When using DTLS/SCTP, include the terminating zero in the label
511 * used for computing the endpoint-pair shared secret. Required for
512 * interoperability with implementations having this bug like these
513 * older version of OpenSSL:
514 * - OpenSSL 1.0.0 series
515 * - OpenSSL 1.0.1 series
516 * - OpenSSL 1.0.2 series
517 * - OpenSSL 1.1.0 series
518 * - OpenSSL 1.1.1 and 1.1.1a
519 */
520# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
521
522/* Cert related flags */
523/*
524 * Many implementations ignore some aspects of the TLS standards such as
525 * enforcing certificate chain algorithms. When this is set we enforce them.
526 */
527# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
528
529/* Suite B modes, takes same values as certificate verify flags */
530# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
531/* Suite B 192 bit only mode */
532# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
533/* Suite B 128 bit mode allowing 192 bit algorithms */
534# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
535
536/* Perform all sorts of protocol violations for testing purposes */
537# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
538
539/* Flags for building certificate chains */
540/* Treat any existing certificates as untrusted CAs */
541# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
542/* Don't include root CA in chain */
543# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
544/* Just check certificates already there */
545# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
546/* Ignore verification errors */
547# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
548/* Clear verification errors from queue */
549# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
550
551/* Flags returned by SSL_check_chain */
552/* Certificate can be used with this session */
553# define CERT_PKEY_VALID 0x1
554/* Certificate can also be used for signing */
555# define CERT_PKEY_SIGN 0x2
556/* EE certificate signing algorithm OK */
557# define CERT_PKEY_EE_SIGNATURE 0x10
558/* CA signature algorithms OK */
559# define CERT_PKEY_CA_SIGNATURE 0x20
560/* EE certificate parameters OK */
561# define CERT_PKEY_EE_PARAM 0x40
562/* CA certificate parameters OK */
563# define CERT_PKEY_CA_PARAM 0x80
564/* Signing explicitly allowed as opposed to SHA1 fallback */
565# define CERT_PKEY_EXPLICIT_SIGN 0x100
566/* Client CA issuer names match (always set for server cert) */
567# define CERT_PKEY_ISSUER_NAME 0x200
568/* Cert type matches client types (always set for server cert) */
569# define CERT_PKEY_CERT_TYPE 0x400
570/* Cert chain suitable to Suite B */
571# define CERT_PKEY_SUITEB 0x800
572/* Cert pkey valid for raw public key use */
573# define CERT_PKEY_RPK 0x1000
574
575# define SSL_CONF_FLAG_CMDLINE 0x1
576# define SSL_CONF_FLAG_FILE 0x2
577# define SSL_CONF_FLAG_CLIENT 0x4
578# define SSL_CONF_FLAG_SERVER 0x8
579# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
580# define SSL_CONF_FLAG_CERTIFICATE 0x20
581# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
582/* Configuration value types */
583# define SSL_CONF_TYPE_UNKNOWN 0x0
584# define SSL_CONF_TYPE_STRING 0x1
585# define SSL_CONF_TYPE_FILE 0x2
586# define SSL_CONF_TYPE_DIR 0x3
587# define SSL_CONF_TYPE_NONE 0x4
588# define SSL_CONF_TYPE_STORE 0x5
589
590/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
591# define SSL_COOKIE_LENGTH 4096
592
593/*
594 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
595 * cannot be used to clear bits.
596 */
597
598uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
599uint64_t SSL_get_options(const SSL *s);
600uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
601uint64_t SSL_clear_options(SSL *s, uint64_t op);
602uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
603uint64_t SSL_set_options(SSL *s, uint64_t op);
604
605# define SSL_CTX_set_mode(ctx,op) \
606 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
607# define SSL_CTX_clear_mode(ctx,op) \
608 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
609# define SSL_CTX_get_mode(ctx) \
610 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
611# define SSL_clear_mode(ssl,op) \
612 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
613# define SSL_set_mode(ssl,op) \
614 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
615# define SSL_get_mode(ssl) \
616 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
617# define SSL_set_mtu(ssl, mtu) \
618 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
619# define DTLS_set_link_mtu(ssl, mtu) \
620 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
621# define DTLS_get_link_min_mtu(ssl) \
622 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
623
624# define SSL_get_secure_renegotiation_support(ssl) \
625 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
626
627# define SSL_CTX_set_cert_flags(ctx,op) \
628 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
629# define SSL_set_cert_flags(s,op) \
630 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
631# define SSL_CTX_clear_cert_flags(ctx,op) \
632 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
633# define SSL_clear_cert_flags(s,op) \
634 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
635
636void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
637 void (*cb) (int write_p, int version,
638 int content_type, const void *buf,
639 size_t len, SSL *ssl, void *arg));
640void SSL_set_msg_callback(SSL *ssl,
641 void (*cb) (int write_p, int version,
642 int content_type, const void *buf,
643 size_t len, SSL *ssl, void *arg));
644# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
645# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
646
647# define SSL_get_extms_support(s) \
648 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
649
650# ifndef OPENSSL_NO_SRP
651/* see tls_srp.c */
652# ifndef OPENSSL_NO_DEPRECATED_3_0
653OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
654OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
655OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
656OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
657OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
658 int *ad);
659OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
660# endif
661# endif
662
663/* 100k max cert list */
664# define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
665
666# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
667
668/*
669 * This callback type is used inside SSL_CTX, SSL, and in the functions that
670 * set them. It is used to override the generation of SSL/TLS session IDs in
671 * a server. Return value should be zero on an error, non-zero to proceed.
672 * Also, callbacks should themselves check if the id they generate is unique
673 * otherwise the SSL handshake will fail with an error - callbacks can do
674 * this using the 'ssl' value they're passed by;
675 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
676 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
677 * bytes. The callback can alter this length to be less if desired. It is
678 * also an error for the callback to set the size to zero.
679 */
680typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
681 unsigned int *id_len);
682
683# define SSL_SESS_CACHE_OFF 0x0000
684# define SSL_SESS_CACHE_CLIENT 0x0001
685# define SSL_SESS_CACHE_SERVER 0x0002
686# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
687# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
688/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
689# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
690# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
691# define SSL_SESS_CACHE_NO_INTERNAL \
692 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
693# define SSL_SESS_CACHE_UPDATE_TIME 0x0400
694
695LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
696# define SSL_CTX_sess_number(ctx) \
697 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
698# define SSL_CTX_sess_connect(ctx) \
699 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
700# define SSL_CTX_sess_connect_good(ctx) \
701 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
702# define SSL_CTX_sess_connect_renegotiate(ctx) \
703 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
704# define SSL_CTX_sess_accept(ctx) \
705 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
706# define SSL_CTX_sess_accept_renegotiate(ctx) \
707 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
708# define SSL_CTX_sess_accept_good(ctx) \
709 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
710# define SSL_CTX_sess_hits(ctx) \
711 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
712# define SSL_CTX_sess_cb_hits(ctx) \
713 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
714# define SSL_CTX_sess_misses(ctx) \
715 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
716# define SSL_CTX_sess_timeouts(ctx) \
717 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
718# define SSL_CTX_sess_cache_full(ctx) \
719 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
720
721void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
722 int (*new_session_cb) (struct ssl_st *ssl,
723 SSL_SESSION *sess));
724int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
725 SSL_SESSION *sess);
726void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
727 void (*remove_session_cb) (struct ssl_ctx_st
728 *ctx,
729 SSL_SESSION *sess));
730void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
731 SSL_SESSION *sess);
732void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
733 SSL_SESSION *(*get_session_cb) (struct ssl_st
734 *ssl,
735 const unsigned char
736 *data, int len,
737 int *copy));
738SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
739 const unsigned char *data,
740 int len, int *copy);
741void SSL_CTX_set_info_callback(SSL_CTX *ctx,
742 void (*cb) (const SSL *ssl, int type, int val));
743void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
744 int val);
745void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
746 int (*client_cert_cb) (SSL *ssl, X509 **x509,
747 EVP_PKEY **pkey));
748int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
749 EVP_PKEY **pkey);
750# ifndef OPENSSL_NO_ENGINE
751__owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
752# endif
753void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
754 int (*app_gen_cookie_cb) (SSL *ssl,
755 unsigned char
756 *cookie,
757 unsigned int
758 *cookie_len));
759void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
760 int (*app_verify_cookie_cb) (SSL *ssl,
761 const unsigned
762 char *cookie,
763 unsigned int
764 cookie_len));
765
766void SSL_CTX_set_stateless_cookie_generate_cb(
767 SSL_CTX *ctx,
768 int (*gen_stateless_cookie_cb) (SSL *ssl,
769 unsigned char *cookie,
770 size_t *cookie_len));
771void SSL_CTX_set_stateless_cookie_verify_cb(
772 SSL_CTX *ctx,
773 int (*verify_stateless_cookie_cb) (SSL *ssl,
774 const unsigned char *cookie,
775 size_t cookie_len));
776# ifndef OPENSSL_NO_NEXTPROTONEG
777
778typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
779 const unsigned char **out,
780 unsigned int *outlen,
781 void *arg);
782void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
783 SSL_CTX_npn_advertised_cb_func cb,
784 void *arg);
785# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
786
787typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
788 unsigned char **out,
789 unsigned char *outlen,
790 const unsigned char *in,
791 unsigned int inlen,
792 void *arg);
793void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
794 SSL_CTX_npn_select_cb_func cb,
795 void *arg);
796# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
797
798void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
799 unsigned *len);
800# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
801# endif
802
803__owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
804 const unsigned char *in, unsigned int inlen,
805 const unsigned char *client,
806 unsigned int client_len);
807
808# define OPENSSL_NPN_UNSUPPORTED 0
809# define OPENSSL_NPN_NEGOTIATED 1
810# define OPENSSL_NPN_NO_OVERLAP 2
811
812__owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
813 unsigned int protos_len);
814__owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
815 unsigned int protos_len);
816typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
817 const unsigned char **out,
818 unsigned char *outlen,
819 const unsigned char *in,
820 unsigned int inlen,
821 void *arg);
822void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
823 SSL_CTX_alpn_select_cb_func cb,
824 void *arg);
825void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
826 unsigned int *len);
827
828# ifndef OPENSSL_NO_PSK
829/*
830 * the maximum length of the buffer given to callbacks containing the
831 * resulting identity/psk
832 */
833# define PSK_MAX_IDENTITY_LEN 256
834# define PSK_MAX_PSK_LEN 512
835typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
836 const char *hint,
837 char *identity,
838 unsigned int max_identity_len,
839 unsigned char *psk,
840 unsigned int max_psk_len);
841void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
842void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
843
844typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
845 const char *identity,
846 unsigned char *psk,
847 unsigned int max_psk_len);
848void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
849void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
850
851__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
852__owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
853const char *SSL_get_psk_identity_hint(const SSL *s);
854const char *SSL_get_psk_identity(const SSL *s);
855# endif
856
857typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
858 const unsigned char *identity,
859 size_t identity_len,
860 SSL_SESSION **sess);
861typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
862 const unsigned char **id,
863 size_t *idlen,
864 SSL_SESSION **sess);
865
866void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
867void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
868 SSL_psk_find_session_cb_func cb);
869void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
870void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
871 SSL_psk_use_session_cb_func cb);
872
873/* Register callbacks to handle custom TLS Extensions for client or server. */
874
875__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
876 unsigned int ext_type);
877
878__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
879 unsigned int ext_type,
880 custom_ext_add_cb add_cb,
881 custom_ext_free_cb free_cb,
882 void *add_arg,
883 custom_ext_parse_cb parse_cb,
884 void *parse_arg);
885
886__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
887 unsigned int ext_type,
888 custom_ext_add_cb add_cb,
889 custom_ext_free_cb free_cb,
890 void *add_arg,
891 custom_ext_parse_cb parse_cb,
892 void *parse_arg);
893
894__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
895 unsigned int context,
896 SSL_custom_ext_add_cb_ex add_cb,
897 SSL_custom_ext_free_cb_ex free_cb,
898 void *add_arg,
899 SSL_custom_ext_parse_cb_ex parse_cb,
900 void *parse_arg);
901
902__owur int SSL_extension_supported(unsigned int ext_type);
903
904# define SSL_NOTHING 1
905# define SSL_WRITING 2
906# define SSL_READING 3
907# define SSL_X509_LOOKUP 4
908# define SSL_ASYNC_PAUSED 5
909# define SSL_ASYNC_NO_JOBS 6
910# define SSL_CLIENT_HELLO_CB 7
911# define SSL_RETRY_VERIFY 8
912
913/* These will only be used when doing non-blocking IO */
914# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
915# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
916# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
917# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
918# define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
919# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
920# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
921# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
922
923# define SSL_MAC_FLAG_READ_MAC_STREAM 1
924# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
925# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
926# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
927
928/*
929 * A callback for logging out TLS key material. This callback should log out
930 * |line| followed by a newline.
931 */
932typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
933
934/*
935 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
936 * is intended for debugging use with tools like Wireshark. The cb function
937 * should log line followed by a newline.
938 */
939void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
940
941/*
942 * SSL_CTX_get_keylog_callback returns the callback configured by
943 * SSL_CTX_set_keylog_callback.
944 */
945SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
946
947int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
948uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
949int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
950uint32_t SSL_get_max_early_data(const SSL *s);
951int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
952uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
953int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
954uint32_t SSL_get_recv_max_early_data(const SSL *s);
955
956#ifdef __cplusplus
957}
958#endif
959
960# include <openssl/ssl2.h>
961# include <openssl/ssl3.h>
962# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
963# include <openssl/dtls1.h> /* Datagram TLS */
964# include <openssl/srtp.h> /* Support for the use_srtp extension */
965# include <openssl/quic.h>
966
967#ifdef __cplusplus
968extern "C" {
969#endif
970
971/*
972 * These need to be after the above set of includes due to a compiler bug
973 * in VisualStudio 2015
974 */
975{-
976 generate_const_stack_macros("SSL_CIPHER");
977-}
978
979/* compatibility */
980# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
981# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
982# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
983 (char *)(a)))
984# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
985# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
986# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
987 (char *)(arg)))
988# ifndef OPENSSL_NO_DEPRECATED_1_1_0
989OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
990# endif
991
992/* TLSv1.3 KeyUpdate message types */
993/* -1 used so that this is an invalid value for the on-the-wire protocol */
994#define SSL_KEY_UPDATE_NONE -1
995/* Values as defined for the on-the-wire protocol */
996#define SSL_KEY_UPDATE_NOT_REQUESTED 0
997#define SSL_KEY_UPDATE_REQUESTED 1
998
999/*
1000 * The valid handshake states (one for each type message sent and one for each
1001 * type of message received). There are also two "special" states:
1002 * TLS = TLS or DTLS state
1003 * DTLS = DTLS specific state
1004 * CR/SR = Client Read/Server Read
1005 * CW/SW = Client Write/Server Write
1006 *
1007 * The "special" states are:
1008 * TLS_ST_BEFORE = No handshake has been initiated yet
1009 * TLS_ST_OK = A handshake has been successfully completed
1010 */
1011typedef enum {
1012 TLS_ST_BEFORE,
1013 TLS_ST_OK,
1014 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1015 TLS_ST_CR_SRVR_HELLO,
1016 TLS_ST_CR_CERT,
1017 TLS_ST_CR_COMP_CERT,
1018 TLS_ST_CR_CERT_STATUS,
1019 TLS_ST_CR_KEY_EXCH,
1020 TLS_ST_CR_CERT_REQ,
1021 TLS_ST_CR_SRVR_DONE,
1022 TLS_ST_CR_SESSION_TICKET,
1023 TLS_ST_CR_CHANGE,
1024 TLS_ST_CR_FINISHED,
1025 TLS_ST_CW_CLNT_HELLO,
1026 TLS_ST_CW_CERT,
1027 TLS_ST_CW_COMP_CERT,
1028 TLS_ST_CW_KEY_EXCH,
1029 TLS_ST_CW_CERT_VRFY,
1030 TLS_ST_CW_CHANGE,
1031 TLS_ST_CW_NEXT_PROTO,
1032 TLS_ST_CW_FINISHED,
1033 TLS_ST_SW_HELLO_REQ,
1034 TLS_ST_SR_CLNT_HELLO,
1035 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1036 TLS_ST_SW_SRVR_HELLO,
1037 TLS_ST_SW_CERT,
1038 TLS_ST_SW_COMP_CERT,
1039 TLS_ST_SW_KEY_EXCH,
1040 TLS_ST_SW_CERT_REQ,
1041 TLS_ST_SW_SRVR_DONE,
1042 TLS_ST_SR_CERT,
1043 TLS_ST_SR_COMP_CERT,
1044 TLS_ST_SR_KEY_EXCH,
1045 TLS_ST_SR_CERT_VRFY,
1046 TLS_ST_SR_NEXT_PROTO,
1047 TLS_ST_SR_CHANGE,
1048 TLS_ST_SR_FINISHED,
1049 TLS_ST_SW_SESSION_TICKET,
1050 TLS_ST_SW_CERT_STATUS,
1051 TLS_ST_SW_CHANGE,
1052 TLS_ST_SW_FINISHED,
1053 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1054 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1055 TLS_ST_CR_CERT_VRFY,
1056 TLS_ST_SW_CERT_VRFY,
1057 TLS_ST_CR_HELLO_REQ,
1058 TLS_ST_SW_KEY_UPDATE,
1059 TLS_ST_CW_KEY_UPDATE,
1060 TLS_ST_SR_KEY_UPDATE,
1061 TLS_ST_CR_KEY_UPDATE,
1062 TLS_ST_EARLY_DATA,
1063 TLS_ST_PENDING_EARLY_DATA_END,
1064 TLS_ST_CW_END_OF_EARLY_DATA,
1065 TLS_ST_SR_END_OF_EARLY_DATA
1066} OSSL_HANDSHAKE_STATE;
1067
1068/*
1069 * Most of the following state values are no longer used and are defined to be
1070 * the closest equivalent value in the current state machine code. Not all
1071 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1072 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1073 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1074 */
1075
1076# define SSL_ST_CONNECT 0x1000
1077# define SSL_ST_ACCEPT 0x2000
1078
1079# define SSL_ST_MASK 0x0FFF
1080
1081# define SSL_CB_LOOP 0x01
1082# define SSL_CB_EXIT 0x02
1083# define SSL_CB_READ 0x04
1084# define SSL_CB_WRITE 0x08
1085# define SSL_CB_ALERT 0x4000/* used in callback */
1086# define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1087# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1088# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1089# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1090# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1091# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1092# define SSL_CB_HANDSHAKE_START 0x10
1093# define SSL_CB_HANDSHAKE_DONE 0x20
1094
1095/* Is the SSL_connection established? */
1096# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1097# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1098int SSL_in_init(const SSL *s);
1099int SSL_in_before(const SSL *s);
1100int SSL_is_init_finished(const SSL *s);
1101
1102/*
1103 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1104 * should not need these
1105 */
1106# define SSL_ST_READ_HEADER 0xF0
1107# define SSL_ST_READ_BODY 0xF1
1108# define SSL_ST_READ_DONE 0xF2
1109
1110/*-
1111 * Obtain latest Finished message
1112 * -- that we sent (SSL_get_finished)
1113 * -- that we expected from peer (SSL_get_peer_finished).
1114 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1115 */
1116size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1117size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1118
1119/*
1120 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1121 * 'ored' with SSL_VERIFY_PEER if they are desired
1122 */
1123# define SSL_VERIFY_NONE 0x00
1124# define SSL_VERIFY_PEER 0x01
1125# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1126# define SSL_VERIFY_CLIENT_ONCE 0x04
1127# define SSL_VERIFY_POST_HANDSHAKE 0x08
1128
1129# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1130# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1131# define SSLeay_add_ssl_algorithms() SSL_library_init()
1132# endif
1133
1134/* More backward compatibility */
1135# define SSL_get_cipher(s) \
1136 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1137# define SSL_get_cipher_bits(s,np) \
1138 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1139# define SSL_get_cipher_version(s) \
1140 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1141# define SSL_get_cipher_name(s) \
1142 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1143# define SSL_get_time(a) SSL_SESSION_get_time(a)
1144# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1145# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1146# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1147
1148# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1149# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1150
1151DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1152# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1153 * from SSL_AD_... */
1154/* These alert types are for SSLv3 and TLSv1 */
1155# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1156/* fatal */
1157# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1158/* fatal */
1159# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1160# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1161# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1162/* fatal */
1163# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1164/* fatal */
1165# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1166/* Not for TLS */
1167# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1168# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1169# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1170# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1171# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1172# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1173/* fatal */
1174# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1175/* fatal */
1176# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1177/* fatal */
1178# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1179/* fatal */
1180# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1181# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1182/* fatal */
1183# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1184/* fatal */
1185# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1186/* fatal */
1187# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1188/* fatal */
1189# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1190# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1191# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1192# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1193# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1194# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1195# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1196# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1197# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1198# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1199/* fatal */
1200# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1201/* fatal */
1202# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1203# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1204# define SSL_ERROR_NONE 0
1205# define SSL_ERROR_SSL 1
1206# define SSL_ERROR_WANT_READ 2
1207# define SSL_ERROR_WANT_WRITE 3
1208# define SSL_ERROR_WANT_X509_LOOKUP 4
1209# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1210 * value/errno */
1211# define SSL_ERROR_ZERO_RETURN 6
1212# define SSL_ERROR_WANT_CONNECT 7
1213# define SSL_ERROR_WANT_ACCEPT 8
1214# define SSL_ERROR_WANT_ASYNC 9
1215# define SSL_ERROR_WANT_ASYNC_JOB 10
1216# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1217# define SSL_ERROR_WANT_RETRY_VERIFY 12
1218
1219# ifndef OPENSSL_NO_DEPRECATED_3_0
1220# define SSL_CTRL_SET_TMP_DH 3
1221# define SSL_CTRL_SET_TMP_ECDH 4
1222# define SSL_CTRL_SET_TMP_DH_CB 6
1223# endif
1224
1225# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1226# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1227# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1228# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1229# define SSL_CTRL_GET_FLAGS 13
1230# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1231# define SSL_CTRL_SET_MSG_CALLBACK 15
1232# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1233/* only applies to datagram connections */
1234# define SSL_CTRL_SET_MTU 17
1235/* Stats */
1236# define SSL_CTRL_SESS_NUMBER 20
1237# define SSL_CTRL_SESS_CONNECT 21
1238# define SSL_CTRL_SESS_CONNECT_GOOD 22
1239# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1240# define SSL_CTRL_SESS_ACCEPT 24
1241# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1242# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1243# define SSL_CTRL_SESS_HIT 27
1244# define SSL_CTRL_SESS_CB_HIT 28
1245# define SSL_CTRL_SESS_MISSES 29
1246# define SSL_CTRL_SESS_TIMEOUTS 30
1247# define SSL_CTRL_SESS_CACHE_FULL 31
1248# define SSL_CTRL_MODE 33
1249# define SSL_CTRL_GET_READ_AHEAD 40
1250# define SSL_CTRL_SET_READ_AHEAD 41
1251# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1252# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1253# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1254# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1255# define SSL_CTRL_GET_MAX_CERT_LIST 50
1256# define SSL_CTRL_SET_MAX_CERT_LIST 51
1257# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1258/* see tls1.h for macros based on these */
1259# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1260# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1261# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1262# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1263# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1264# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1265# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1266/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1267/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1268/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1269# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1270# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1271# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1272# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1273# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1274# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1275# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1276# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1277# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1278# ifndef OPENSSL_NO_DEPRECATED_3_0
1279# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1280# endif
1281# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1282# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1283# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1284# define SSL_CTRL_SET_SRP_ARG 78
1285# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1286# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1287# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1288# define DTLS_CTRL_GET_TIMEOUT 73
1289# define DTLS_CTRL_HANDLE_TIMEOUT 74
1290# define SSL_CTRL_GET_RI_SUPPORT 76
1291# define SSL_CTRL_CLEAR_MODE 78
1292# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1293# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1294# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1295# define SSL_CTRL_CHAIN 88
1296# define SSL_CTRL_CHAIN_CERT 89
1297# define SSL_CTRL_GET_GROUPS 90
1298# define SSL_CTRL_SET_GROUPS 91
1299# define SSL_CTRL_SET_GROUPS_LIST 92
1300# define SSL_CTRL_GET_SHARED_GROUP 93
1301# define SSL_CTRL_SET_SIGALGS 97
1302# define SSL_CTRL_SET_SIGALGS_LIST 98
1303# define SSL_CTRL_CERT_FLAGS 99
1304# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1305# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1306# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1307# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1308# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1309# define SSL_CTRL_BUILD_CERT_CHAIN 105
1310# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1311# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1312# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1313# define SSL_CTRL_GET_PEER_TMP_KEY 109
1314# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1315# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1316# define SSL_CTRL_GET_CHAIN_CERTS 115
1317# define SSL_CTRL_SELECT_CURRENT_CERT 116
1318# define SSL_CTRL_SET_CURRENT_CERT 117
1319# define SSL_CTRL_SET_DH_AUTO 118
1320# define DTLS_CTRL_SET_LINK_MTU 120
1321# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1322# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1323# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1324# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1325# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1326# define SSL_CTRL_SET_MAX_PIPELINES 126
1327# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1328# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1329# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1330# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1331# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1332# define SSL_CTRL_GET_SIGNATURE_NID 132
1333# define SSL_CTRL_GET_TMP_KEY 133
1334# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1335# define SSL_CTRL_GET_IANA_GROUPS 135
1336# define SSL_CTRL_SET_RETRY_VERIFY 136
1337# define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1338# define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1339# define SSL_CERT_SET_FIRST 1
1340# define SSL_CERT_SET_NEXT 2
1341# define SSL_CERT_SET_SERVER 3
1342# define DTLSv1_get_timeout(ssl, arg) \
1343 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1344# define DTLSv1_handle_timeout(ssl) \
1345 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1346# define SSL_num_renegotiations(ssl) \
1347 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1348# define SSL_clear_num_renegotiations(ssl) \
1349 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1350# define SSL_total_renegotiations(ssl) \
1351 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1352# ifndef OPENSSL_NO_DEPRECATED_3_0
1353# define SSL_CTX_set_tmp_dh(ctx,dh) \
1354 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1355# endif
1356# define SSL_CTX_set_dh_auto(ctx, onoff) \
1357 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1358# define SSL_set_dh_auto(s, onoff) \
1359 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1360# ifndef OPENSSL_NO_DEPRECATED_3_0
1361# define SSL_set_tmp_dh(ssl,dh) \
1362 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1363# endif
1364# ifndef OPENSSL_NO_DEPRECATED_3_0
1365# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1366 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1367# define SSL_set_tmp_ecdh(ssl,ecdh) \
1368 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1369# endif
1370# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1371 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1372# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1373 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1374# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1375 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1376# define SSL_CTX_clear_extra_chain_certs(ctx) \
1377 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1378# define SSL_CTX_set0_chain(ctx,sk) \
1379 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1380# define SSL_CTX_set1_chain(ctx,sk) \
1381 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1382# define SSL_CTX_add0_chain_cert(ctx,x509) \
1383 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1384# define SSL_CTX_add1_chain_cert(ctx,x509) \
1385 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1386# define SSL_CTX_get0_chain_certs(ctx,px509) \
1387 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1388# define SSL_CTX_clear_chain_certs(ctx) \
1389 SSL_CTX_set0_chain(ctx,NULL)
1390# define SSL_CTX_build_cert_chain(ctx, flags) \
1391 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1392# define SSL_CTX_select_current_cert(ctx,x509) \
1393 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1394# define SSL_CTX_set_current_cert(ctx, op) \
1395 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1396# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1397 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1398# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1399 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1400# define SSL_CTX_get0_verify_cert_store(ctx,st) \
1401 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1402# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1403 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1404# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1405 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1406# define SSL_CTX_get0_chain_cert_store(ctx,st) \
1407 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1408# define SSL_set0_chain(s,sk) \
1409 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1410# define SSL_set1_chain(s,sk) \
1411 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1412# define SSL_add0_chain_cert(s,x509) \
1413 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1414# define SSL_add1_chain_cert(s,x509) \
1415 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1416# define SSL_get0_chain_certs(s,px509) \
1417 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1418# define SSL_clear_chain_certs(s) \
1419 SSL_set0_chain(s,NULL)
1420# define SSL_build_cert_chain(s, flags) \
1421 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1422# define SSL_select_current_cert(s,x509) \
1423 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1424# define SSL_set_current_cert(s,op) \
1425 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1426# define SSL_set0_verify_cert_store(s,st) \
1427 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1428# define SSL_set1_verify_cert_store(s,st) \
1429 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1430#define SSL_get0_verify_cert_store(s,st) \
1431 SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1432# define SSL_set0_chain_cert_store(s,st) \
1433 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1434# define SSL_set1_chain_cert_store(s,st) \
1435 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1436#define SSL_get0_chain_cert_store(s,st) \
1437 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1438
1439# define SSL_get1_groups(s, glist) \
1440 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1441# define SSL_get0_iana_groups(s, plst) \
1442 SSL_ctrl(s,SSL_CTRL_GET_IANA_GROUPS,0,(uint16_t **)(plst))
1443# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1444 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1445# define SSL_CTX_set1_groups_list(ctx, s) \
1446 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1447# define SSL_set1_groups(s, glist, glistlen) \
1448 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1449# define SSL_set1_groups_list(s, str) \
1450 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1451# define SSL_get_shared_group(s, n) \
1452 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1453# define SSL_get_negotiated_group(s) \
1454 SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1455# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1456 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1457# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1458 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1459# define SSL_set1_sigalgs(s, slist, slistlen) \
1460 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1461# define SSL_set1_sigalgs_list(s, str) \
1462 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1463# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1464 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1465# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1466 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1467# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1468 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1469# define SSL_set1_client_sigalgs_list(s, str) \
1470 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1471# define SSL_get0_certificate_types(s, clist) \
1472 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1473# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1474 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1475 (char *)(clist))
1476# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1477 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1478# define SSL_get_signature_nid(s, pn) \
1479 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1480# define SSL_get_peer_signature_nid(s, pn) \
1481 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1482# define SSL_get_peer_tmp_key(s, pk) \
1483 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1484# define SSL_get_tmp_key(s, pk) \
1485 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1486# define SSL_get0_raw_cipherlist(s, plst) \
1487 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1488# define SSL_get0_ec_point_formats(s, plst) \
1489 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1490# define SSL_CTX_set_min_proto_version(ctx, version) \
1491 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1492# define SSL_CTX_set_max_proto_version(ctx, version) \
1493 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1494# define SSL_CTX_get_min_proto_version(ctx) \
1495 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1496# define SSL_CTX_get_max_proto_version(ctx) \
1497 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1498# define SSL_set_min_proto_version(s, version) \
1499 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1500# define SSL_set_max_proto_version(s, version) \
1501 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1502# define SSL_get_min_proto_version(s) \
1503 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1504# define SSL_get_max_proto_version(s) \
1505 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1506
1507const char *SSL_get0_group_name(SSL *s);
1508const char *SSL_group_to_name(SSL *s, int id);
1509
1510/* Backwards compatibility, original 1.1.0 names */
1511# define SSL_CTRL_GET_SERVER_TMP_KEY \
1512 SSL_CTRL_GET_PEER_TMP_KEY
1513# define SSL_get_server_tmp_key(s, pk) \
1514 SSL_get_peer_tmp_key(s, pk)
1515
1516int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey);
1517int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey);
1518
1519/*
1520 * The following symbol names are old and obsolete. They are kept
1521 * for compatibility reasons only and should not be used anymore.
1522 */
1523# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1524# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1525# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1526# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1527
1528# define SSL_get1_curves SSL_get1_groups
1529# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1530# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1531# define SSL_set1_curves SSL_set1_groups
1532# define SSL_set1_curves_list SSL_set1_groups_list
1533# define SSL_get_shared_curve SSL_get_shared_group
1534
1535
1536# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1537/* Provide some compatibility macros for removed functionality. */
1538# define SSL_CTX_need_tmp_RSA(ctx) 0
1539# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1540# define SSL_need_tmp_RSA(ssl) 0
1541# define SSL_set_tmp_rsa(ssl,rsa) 1
1542# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1543# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1544/*
1545 * We "pretend" to call the callback to avoid warnings about unused static
1546 * functions.
1547 */
1548# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1549# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1550# endif
1551__owur const BIO_METHOD *BIO_f_ssl(void);
1552__owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1553__owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1554__owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1555__owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1556void BIO_ssl_shutdown(BIO *ssl_bio);
1557
1558__owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1559__owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1560__owur SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq,
1561 const SSL_METHOD *meth);
1562int SSL_CTX_up_ref(SSL_CTX *ctx);
1563void SSL_CTX_free(SSL_CTX *);
1564__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1565__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1566__owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1567void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1568void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1569__owur int SSL_want(const SSL *s);
1570__owur int SSL_clear(SSL *s);
1571
1572#ifndef OPENSSL_NO_DEPRECATED_3_4
1573OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_CTX_flush_sessions_ex()")
1574void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1575#endif
1576void SSL_CTX_flush_sessions_ex(SSL_CTX *ctx, time_t tm);
1577
1578__owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1579__owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1580__owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1581__owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1582__owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1583__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1584__owur const char *OPENSSL_cipher_name(const char *rfc_name);
1585__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1586__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1587__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1588__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1589__owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1590__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1591
1592__owur int SSL_get_fd(const SSL *s);
1593__owur int SSL_get_rfd(const SSL *s);
1594__owur int SSL_get_wfd(const SSL *s);
1595__owur const char *SSL_get_cipher_list(const SSL *s, int n);
1596__owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1597__owur int SSL_get_read_ahead(const SSL *s);
1598__owur int SSL_pending(const SSL *s);
1599__owur int SSL_has_pending(const SSL *s);
1600# ifndef OPENSSL_NO_SOCK
1601__owur int SSL_set_fd(SSL *s, int fd);
1602__owur int SSL_set_rfd(SSL *s, int fd);
1603__owur int SSL_set_wfd(SSL *s, int fd);
1604# endif
1605void SSL_set0_rbio(SSL *s, BIO *rbio);
1606void SSL_set0_wbio(SSL *s, BIO *wbio);
1607void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1608__owur BIO *SSL_get_rbio(const SSL *s);
1609__owur BIO *SSL_get_wbio(const SSL *s);
1610__owur int SSL_set_cipher_list(SSL *s, const char *str);
1611__owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1612__owur int SSL_set_ciphersuites(SSL *s, const char *str);
1613void SSL_set_read_ahead(SSL *s, int yes);
1614__owur int SSL_get_verify_mode(const SSL *s);
1615__owur int SSL_get_verify_depth(const SSL *s);
1616__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1617void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1618void SSL_set_verify_depth(SSL *s, int depth);
1619void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1620# ifndef OPENSSL_NO_DEPRECATED_3_0
1621OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1622OSSL_DEPRECATEDIN_3_0
1623__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1624 const unsigned char *d, long len);
1625# endif
1626__owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1627__owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1628 long len);
1629__owur int SSL_use_certificate(SSL *ssl, X509 *x);
1630__owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1631__owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1632 STACK_OF(X509) *chain, int override);
1633
1634
1635/* serverinfo file format versions */
1636# define SSL_SERVERINFOV1 1
1637# define SSL_SERVERINFOV2 2
1638
1639/* Set serverinfo data for the current active cert. */
1640__owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1641 size_t serverinfo_length);
1642__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1643 const unsigned char *serverinfo,
1644 size_t serverinfo_length);
1645__owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1646
1647#ifndef OPENSSL_NO_DEPRECATED_3_0
1648OSSL_DEPRECATEDIN_3_0
1649__owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1650#endif
1651
1652__owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1653__owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1654
1655#ifndef OPENSSL_NO_DEPRECATED_3_0
1656OSSL_DEPRECATEDIN_3_0
1657__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1658 int type);
1659#endif
1660__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1661 int type);
1662__owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1663 int type);
1664/* PEM type */
1665__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1666__owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1667__owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1668__owur STACK_OF(X509_NAME)
1669*SSL_load_client_CA_file_ex(const char *file, OSSL_LIB_CTX *libctx,
1670 const char *propq);
1671__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1672 const char *file);
1673int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1674 const char *dir);
1675int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1676 const char *uri);
1677
1678# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1679# define SSL_load_error_strings() \
1680 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1681 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1682# endif
1683
1684__owur const char *SSL_state_string(const SSL *s);
1685__owur const char *SSL_rstate_string(const SSL *s);
1686__owur const char *SSL_state_string_long(const SSL *s);
1687__owur const char *SSL_rstate_string_long(const SSL *s);
1688
1689#ifndef OPENSSL_NO_DEPRECATED_3_4
1690OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_SESSION_get_time_ex()")
1691__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1692OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_SESSION_set_time_ex()")
1693__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1694#endif
1695__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1696__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1697__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1698__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1699
1700__owur time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s);
1701__owur time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t t);
1702
1703__owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1704__owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1705void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1706 const unsigned char **alpn,
1707 size_t *len);
1708__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1709 const unsigned char *alpn,
1710 size_t len);
1711__owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1712__owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1713__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1714__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1715void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1716 size_t *len);
1717__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1718__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1719 uint32_t max_early_data);
1720__owur int SSL_copy_session_id(SSL *to, const SSL *from);
1721__owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1722__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1723 const unsigned char *sid_ctx,
1724 unsigned int sid_ctx_len);
1725__owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1726 unsigned int sid_len);
1727__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1728
1729__owur SSL_SESSION *SSL_SESSION_new(void);
1730__owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1731const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1732 unsigned int *len);
1733const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1734 unsigned int *len);
1735__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1736# ifndef OPENSSL_NO_STDIO
1737int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1738# endif
1739int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1740int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1741int SSL_SESSION_up_ref(SSL_SESSION *ses);
1742void SSL_SESSION_free(SSL_SESSION *ses);
1743__owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1744__owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1745int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1746int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1747__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1748__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1749__owur int SSL_has_matching_session_id(const SSL *s,
1750 const unsigned char *id,
1751 unsigned int id_len);
1752SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1753 long length);
1754SSL_SESSION *d2i_SSL_SESSION_ex(SSL_SESSION **a, const unsigned char **pp,
1755 long length, OSSL_LIB_CTX *libctx,
1756 const char *propq);
1757
1758# ifdef OPENSSL_X509_H
1759__owur X509 *SSL_get0_peer_certificate(const SSL *s);
1760__owur X509 *SSL_get1_peer_certificate(const SSL *s);
1761/* Deprecated in 3.0.0 */
1762# ifndef OPENSSL_NO_DEPRECATED_3_0
1763# define SSL_get_peer_certificate SSL_get1_peer_certificate
1764# endif
1765# endif
1766
1767__owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1768
1769__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1770__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1771__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1772void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1773void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1774void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1775 int (*cb) (X509_STORE_CTX *, void *),
1776 void *arg);
1777void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1778 void *arg);
1779# ifndef OPENSSL_NO_DEPRECATED_3_0
1780OSSL_DEPRECATEDIN_3_0
1781__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1782OSSL_DEPRECATEDIN_3_0
1783__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1784 long len);
1785# endif
1786__owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1787__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1788 const unsigned char *d, long len);
1789__owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1790__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1791 const unsigned char *d);
1792__owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1793 STACK_OF(X509) *chain, int override);
1794
1795void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1796void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1797pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1798void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1799void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1800void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1801pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1802void *SSL_get_default_passwd_cb_userdata(SSL *s);
1803
1804__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1805__owur int SSL_check_private_key(const SSL *ctx);
1806
1807__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1808 const unsigned char *sid_ctx,
1809 unsigned int sid_ctx_len);
1810
1811SSL *SSL_new(SSL_CTX *ctx);
1812int SSL_up_ref(SSL *s);
1813int SSL_is_dtls(const SSL *s);
1814int SSL_is_tls(const SSL *s);
1815int SSL_is_quic(const SSL *s);
1816__owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1817 unsigned int sid_ctx_len);
1818
1819__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1820__owur int SSL_set_purpose(SSL *ssl, int purpose);
1821__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1822__owur int SSL_set_trust(SSL *ssl, int trust);
1823
1824__owur int SSL_set1_host(SSL *s, const char *hostname);
1825__owur int SSL_add1_host(SSL *s, const char *hostname);
1826__owur const char *SSL_get0_peername(SSL *s);
1827void SSL_set_hostflags(SSL *s, unsigned int flags);
1828
1829__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1830__owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1831 uint8_t mtype, uint8_t ord);
1832__owur int SSL_dane_enable(SSL *s, const char *basedomain);
1833__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1834 uint8_t mtype, const unsigned char *data, size_t dlen);
1835__owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1836__owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1837 uint8_t *mtype, const unsigned char **data,
1838 size_t *dlen);
1839/*
1840 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1841 * offline testing in test/danetest.c
1842 */
1843SSL_DANE *SSL_get0_dane(SSL *ssl);
1844/*
1845 * DANE flags
1846 */
1847unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1848unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1849unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1850unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1851
1852__owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1853__owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1854
1855__owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1856__owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1857
1858# ifndef OPENSSL_NO_SRP
1859# ifndef OPENSSL_NO_DEPRECATED_3_0
1860OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1861OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1862OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1863OSSL_DEPRECATEDIN_3_0
1864int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1865 char *(*cb) (SSL *, void *));
1866OSSL_DEPRECATEDIN_3_0
1867int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1868 int (*cb) (SSL *, void *));
1869OSSL_DEPRECATEDIN_3_0
1870int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1871 int (*cb) (SSL *, int *, void *));
1872OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1873
1874OSSL_DEPRECATEDIN_3_0
1875int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1876 BIGNUM *sa, BIGNUM *v, char *info);
1877OSSL_DEPRECATEDIN_3_0
1878int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1879 const char *grp);
1880
1881OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1882OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1883
1884OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_username(SSL *s);
1885OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_userinfo(SSL *s);
1886# endif
1887# endif
1888
1889/*
1890 * ClientHello callback and helpers.
1891 */
1892
1893# define SSL_CLIENT_HELLO_SUCCESS 1
1894# define SSL_CLIENT_HELLO_ERROR 0
1895# define SSL_CLIENT_HELLO_RETRY (-1)
1896
1897typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1898void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1899 void *arg);
1900int SSL_client_hello_isv2(SSL *s);
1901unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1902size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1903size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1904size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1905size_t SSL_client_hello_get0_compression_methods(SSL *s,
1906 const unsigned char **out);
1907int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1908int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts,
1909 size_t *num_exts);
1910int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1911 const unsigned char **out, size_t *outlen);
1912
1913void SSL_certs_clear(SSL *s);
1914void SSL_free(SSL *ssl);
1915# ifdef OSSL_ASYNC_FD
1916/*
1917 * Windows application developer has to include windows.h to use these.
1918 */
1919__owur int SSL_waiting_for_async(SSL *s);
1920__owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1921__owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1922 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1923 size_t *numdelfds);
1924__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1925__owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1926__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1927__owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1928__owur int SSL_get_async_status(SSL *s, int *status);
1929
1930# endif
1931__owur int SSL_accept(SSL *ssl);
1932__owur int SSL_stateless(SSL *s);
1933__owur int SSL_connect(SSL *ssl);
1934__owur int SSL_read(SSL *ssl, void *buf, int num);
1935__owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1936
1937# define SSL_READ_EARLY_DATA_ERROR 0
1938# define SSL_READ_EARLY_DATA_SUCCESS 1
1939# define SSL_READ_EARLY_DATA_FINISH 2
1940
1941__owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1942 size_t *readbytes);
1943__owur int SSL_peek(SSL *ssl, void *buf, int num);
1944__owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1945__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1946 int flags);
1947__owur int SSL_write(SSL *ssl, const void *buf, int num);
1948__owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1949__owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1950 size_t *written);
1951long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1952long SSL_callback_ctrl(SSL *, int, void (*)(void));
1953long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1954long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1955
1956# define SSL_WRITE_FLAG_CONCLUDE (1U << 0)
1957
1958__owur int SSL_write_ex2(SSL *s, const void *buf, size_t num,
1959 uint64_t flags,
1960 size_t *written);
1961
1962# define SSL_EARLY_DATA_NOT_SENT 0
1963# define SSL_EARLY_DATA_REJECTED 1
1964# define SSL_EARLY_DATA_ACCEPTED 2
1965
1966__owur int SSL_get_early_data_status(const SSL *s);
1967
1968__owur int SSL_get_error(const SSL *s, int ret_code);
1969__owur const char *SSL_get_version(const SSL *s);
1970__owur int SSL_get_handshake_rtt(const SSL *s, uint64_t *rtt);
1971
1972/* This sets the 'default' SSL version that SSL_new() will create */
1973# ifndef OPENSSL_NO_DEPRECATED_3_0
1974OSSL_DEPRECATEDIN_3_0
1975__owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1976# endif
1977
1978# ifndef OPENSSL_NO_SSL3_METHOD
1979# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1980OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_method(void); /* SSLv3 */
1981OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
1982OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
1983# endif
1984# endif
1985
1986#define SSLv23_method TLS_method
1987#define SSLv23_server_method TLS_server_method
1988#define SSLv23_client_method TLS_client_method
1989
1990/* Negotiate highest available SSL/TLS version */
1991__owur const SSL_METHOD *TLS_method(void);
1992__owur const SSL_METHOD *TLS_server_method(void);
1993__owur const SSL_METHOD *TLS_client_method(void);
1994
1995# ifndef OPENSSL_NO_TLS1_METHOD
1996# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1997OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_method(void); /* TLSv1.0 */
1998OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
1999OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
2000# endif
2001# endif
2002
2003# ifndef OPENSSL_NO_TLS1_1_METHOD
2004# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2005OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_method(void); /* TLSv1.1 */
2006OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
2007OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
2008# endif
2009# endif
2010
2011# ifndef OPENSSL_NO_TLS1_2_METHOD
2012# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2013OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_method(void); /* TLSv1.2 */
2014OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
2015OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
2016# endif
2017# endif
2018
2019# ifndef OPENSSL_NO_DTLS1_METHOD
2020# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2021OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_method(void); /* DTLSv1.0 */
2022OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
2023OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
2024# endif
2025# endif
2026
2027# ifndef OPENSSL_NO_DTLS1_2_METHOD
2028/* DTLSv1.2 */
2029# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2030OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
2031OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
2032OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
2033# endif
2034# endif
2035
2036__owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
2037__owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
2038__owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
2039
2040__owur size_t DTLS_get_data_mtu(const SSL *s);
2041
2042__owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
2043__owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
2044__owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
2045__owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
2046
2047__owur int SSL_do_handshake(SSL *s);
2048int SSL_key_update(SSL *s, int updatetype);
2049int SSL_get_key_update_type(const SSL *s);
2050int SSL_renegotiate(SSL *s);
2051int SSL_renegotiate_abbreviated(SSL *s);
2052__owur int SSL_renegotiate_pending(const SSL *s);
2053int SSL_new_session_ticket(SSL *s);
2054int SSL_shutdown(SSL *s);
2055__owur int SSL_verify_client_post_handshake(SSL *s);
2056void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2057void SSL_set_post_handshake_auth(SSL *s, int val);
2058
2059__owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
2060__owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
2061__owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
2062__owur const char *SSL_alert_type_string_long(int value);
2063__owur const char *SSL_alert_type_string(int value);
2064__owur const char *SSL_alert_desc_string_long(int value);
2065__owur const char *SSL_alert_desc_string(int value);
2066
2067void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2068void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2069__owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
2070__owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
2071__owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
2072__owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
2073__owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
2074
2075void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2076void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2077__owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
2078__owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
2079__owur int SSL_add_client_CA(SSL *ssl, X509 *x);
2080__owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
2081
2082void SSL_set_connect_state(SSL *s);
2083void SSL_set_accept_state(SSL *s);
2084
2085__owur long SSL_get_default_timeout(const SSL *s);
2086
2087# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2088# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2089# endif
2090
2091__owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
2092__owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
2093
2094__owur SSL *SSL_dup(SSL *ssl);
2095
2096__owur X509 *SSL_get_certificate(const SSL *ssl);
2097/*
2098 * EVP_PKEY
2099 */
2100struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
2101
2102__owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
2103__owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
2104
2105void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2106__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2107void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2108__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2109void SSL_set_shutdown(SSL *ssl, int mode);
2110__owur int SSL_get_shutdown(const SSL *ssl);
2111__owur int SSL_version(const SSL *ssl);
2112__owur int SSL_client_version(const SSL *s);
2113__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2114__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2115__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2116__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2117__owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile);
2118__owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath);
2119__owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore);
2120__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2121 const char *CAfile,
2122 const char *CApath);
2123# define SSL_get0_session SSL_get_session/* just peek at pointer */
2124__owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2125__owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2126__owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2127SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2128void SSL_set_info_callback(SSL *ssl,
2129 void (*cb) (const SSL *ssl, int type, int val));
2130void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2131 int val);
2132__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2133
2134void SSL_set_verify_result(SSL *ssl, long v);
2135__owur long SSL_get_verify_result(const SSL *ssl);
2136__owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2137
2138__owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2139 size_t outlen);
2140__owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2141 size_t outlen);
2142__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2143 unsigned char *out, size_t outlen);
2144__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2145 const unsigned char *in, size_t len);
2146uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2147
2148#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2149 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2150__owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2151void *SSL_get_ex_data(const SSL *ssl, int idx);
2152#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2153 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2154__owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2155void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2156#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2157 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2158__owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2159void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2160
2161__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2162
2163# define SSL_CTX_sess_set_cache_size(ctx,t) \
2164 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2165# define SSL_CTX_sess_get_cache_size(ctx) \
2166 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2167# define SSL_CTX_set_session_cache_mode(ctx,m) \
2168 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2169# define SSL_CTX_get_session_cache_mode(ctx) \
2170 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2171
2172# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2173# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2174# define SSL_CTX_get_read_ahead(ctx) \
2175 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2176# define SSL_CTX_set_read_ahead(ctx,m) \
2177 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2178# define SSL_CTX_get_max_cert_list(ctx) \
2179 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2180# define SSL_CTX_set_max_cert_list(ctx,m) \
2181 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2182# define SSL_get_max_cert_list(ssl) \
2183 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2184# define SSL_set_max_cert_list(ssl,m) \
2185 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2186
2187# define SSL_CTX_set_max_send_fragment(ctx,m) \
2188 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2189# define SSL_set_max_send_fragment(ssl,m) \
2190 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2191# define SSL_CTX_set_split_send_fragment(ctx,m) \
2192 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2193# define SSL_set_split_send_fragment(ssl,m) \
2194 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2195# define SSL_CTX_set_max_pipelines(ctx,m) \
2196 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2197# define SSL_set_max_pipelines(ssl,m) \
2198 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2199# define SSL_set_retry_verify(ssl) \
2200 (SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2201
2202void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2203void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2204
2205# ifndef OPENSSL_NO_DH
2206# ifndef OPENSSL_NO_DEPRECATED_3_0
2207/* NB: the |keylength| is only applicable when is_export is true */
2208OSSL_DEPRECATEDIN_3_0
2209void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2210 DH *(*dh) (SSL *ssl, int is_export,
2211 int keylength));
2212OSSL_DEPRECATEDIN_3_0
2213void SSL_set_tmp_dh_callback(SSL *ssl,
2214 DH *(*dh) (SSL *ssl, int is_export,
2215 int keylength));
2216# endif
2217# endif
2218
2219__owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2220__owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2221__owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2222__owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2223__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2224STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2225__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2226 *meths);
2227# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2228# define SSL_COMP_free_compression_methods() while(0) continue
2229# endif
2230__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2231
2232const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2233int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2234int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2235int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2236 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2237 STACK_OF(SSL_CIPHER) **scsvs);
2238
2239/* TLS extensions functions */
2240__owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2241
2242__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2243 tls_session_ticket_ext_cb_fn cb,
2244 void *arg);
2245
2246/* Pre-shared secret session resumption functions */
2247__owur int SSL_set_session_secret_cb(SSL *s,
2248 tls_session_secret_cb_fn session_secret_cb,
2249 void *arg);
2250
2251void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2252 int (*cb) (SSL *ssl,
2253 int
2254 is_forward_secure));
2255
2256void SSL_set_not_resumable_session_callback(SSL *ssl,
2257 int (*cb) (SSL *ssl,
2258 int is_forward_secure));
2259
2260void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2261 size_t (*cb) (SSL *ssl, int type,
2262 size_t len, void *arg));
2263void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2264void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2265int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2266int SSL_CTX_set_block_padding_ex(SSL_CTX *ctx, size_t app_block_size,
2267 size_t hs_block_size);
2268
2269int SSL_set_record_padding_callback(SSL *ssl,
2270 size_t (*cb) (SSL *ssl, int type,
2271 size_t len, void *arg));
2272void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2273void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2274int SSL_set_block_padding(SSL *ssl, size_t block_size);
2275int SSL_set_block_padding_ex(SSL *ssl, size_t app_block_size,
2276 size_t hs_block_size);
2277int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2278size_t SSL_get_num_tickets(const SSL *s);
2279int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2280size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2281
2282/* QUIC support */
2283int SSL_handle_events(SSL *s);
2284__owur int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite);
2285__owur int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc);
2286__owur int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc);
2287__owur int SSL_net_read_desired(SSL *s);
2288__owur int SSL_net_write_desired(SSL *s);
2289__owur int SSL_set_blocking_mode(SSL *s, int blocking);
2290__owur int SSL_get_blocking_mode(SSL *s);
2291__owur int SSL_set1_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr);
2292__owur SSL *SSL_get0_connection(SSL *s);
2293__owur int SSL_is_connection(SSL *s);
2294
2295#define SSL_STREAM_TYPE_NONE 0
2296#define SSL_STREAM_TYPE_READ (1U << 0)
2297#define SSL_STREAM_TYPE_WRITE (1U << 1)
2298#define SSL_STREAM_TYPE_BIDI (SSL_STREAM_TYPE_READ | SSL_STREAM_TYPE_WRITE)
2299__owur int SSL_get_stream_type(SSL *s);
2300
2301__owur uint64_t SSL_get_stream_id(SSL *s);
2302__owur int SSL_is_stream_local(SSL *s);
2303
2304#define SSL_DEFAULT_STREAM_MODE_NONE 0
2305#define SSL_DEFAULT_STREAM_MODE_AUTO_BIDI 1
2306#define SSL_DEFAULT_STREAM_MODE_AUTO_UNI 2
2307__owur int SSL_set_default_stream_mode(SSL *s, uint32_t mode);
2308
2309#define SSL_STREAM_FLAG_UNI (1U << 0)
2310#define SSL_STREAM_FLAG_NO_BLOCK (1U << 1)
2311#define SSL_STREAM_FLAG_ADVANCE (1U << 2)
2312__owur SSL *SSL_new_stream(SSL *s, uint64_t flags);
2313
2314#define SSL_INCOMING_STREAM_POLICY_AUTO 0
2315#define SSL_INCOMING_STREAM_POLICY_ACCEPT 1
2316#define SSL_INCOMING_STREAM_POLICY_REJECT 2
2317__owur int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec);
2318
2319#define SSL_ACCEPT_STREAM_NO_BLOCK (1U << 0)
2320__owur SSL *SSL_accept_stream(SSL *s, uint64_t flags);
2321__owur size_t SSL_get_accept_stream_queue_len(SSL *s);
2322
2323# ifndef OPENSSL_NO_QUIC
2324__owur int SSL_inject_net_dgram(SSL *s, const unsigned char *buf,
2325 size_t buf_len,
2326 const BIO_ADDR *peer,
2327 const BIO_ADDR *local);
2328# endif
2329
2330typedef struct ssl_shutdown_ex_args_st {
2331 uint64_t quic_error_code;
2332 const char *quic_reason;
2333} SSL_SHUTDOWN_EX_ARGS;
2334
2335#define SSL_SHUTDOWN_FLAG_RAPID (1U << 0)
2336#define SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH (1U << 1)
2337#define SSL_SHUTDOWN_FLAG_NO_BLOCK (1U << 2)
2338#define SSL_SHUTDOWN_FLAG_WAIT_PEER (1U << 3)
2339
2340__owur int SSL_shutdown_ex(SSL *ssl, uint64_t flags,
2341 const SSL_SHUTDOWN_EX_ARGS *args,
2342 size_t args_len);
2343
2344__owur int SSL_stream_conclude(SSL *ssl, uint64_t flags);
2345
2346typedef struct ssl_stream_reset_args_st {
2347 uint64_t quic_error_code;
2348} SSL_STREAM_RESET_ARGS;
2349
2350__owur int SSL_stream_reset(SSL *ssl,
2351 const SSL_STREAM_RESET_ARGS *args,
2352 size_t args_len);
2353
2354#define SSL_STREAM_STATE_NONE 0
2355#define SSL_STREAM_STATE_OK 1
2356#define SSL_STREAM_STATE_WRONG_DIR 2
2357#define SSL_STREAM_STATE_FINISHED 3
2358#define SSL_STREAM_STATE_RESET_LOCAL 4
2359#define SSL_STREAM_STATE_RESET_REMOTE 5
2360#define SSL_STREAM_STATE_CONN_CLOSED 6
2361__owur int SSL_get_stream_read_state(SSL *ssl);
2362__owur int SSL_get_stream_write_state(SSL *ssl);
2363
2364__owur int SSL_get_stream_read_error_code(SSL *ssl, uint64_t *app_error_code);
2365__owur int SSL_get_stream_write_error_code(SSL *ssl, uint64_t *app_error_code);
2366
2367#define SSL_CONN_CLOSE_FLAG_LOCAL (1U << 0)
2368#define SSL_CONN_CLOSE_FLAG_TRANSPORT (1U << 1)
2369
2370typedef struct ssl_conn_close_info_st {
2371 uint64_t error_code, frame_type;
2372 const char *reason;
2373 size_t reason_len;
2374 uint32_t flags;
2375} SSL_CONN_CLOSE_INFO;
2376
2377__owur int SSL_get_conn_close_info(SSL *ssl,
2378 SSL_CONN_CLOSE_INFO *info,
2379 size_t info_len);
2380
2381# define SSL_VALUE_CLASS_GENERIC 0
2382# define SSL_VALUE_CLASS_FEATURE_REQUEST 1
2383# define SSL_VALUE_CLASS_FEATURE_PEER_REQUEST 2
2384# define SSL_VALUE_CLASS_FEATURE_NEGOTIATED 3
2385
2386# define SSL_VALUE_NONE 0
2387# define SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL 1
2388# define SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL 2
2389# define SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL 3
2390# define SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL 4
2391# define SSL_VALUE_QUIC_IDLE_TIMEOUT 5
2392# define SSL_VALUE_EVENT_HANDLING_MODE 6
2393# define SSL_VALUE_STREAM_WRITE_BUF_SIZE 7
2394# define SSL_VALUE_STREAM_WRITE_BUF_USED 8
2395# define SSL_VALUE_STREAM_WRITE_BUF_AVAIL 9
2396
2397# define SSL_VALUE_EVENT_HANDLING_MODE_INHERIT 0
2398# define SSL_VALUE_EVENT_HANDLING_MODE_IMPLICIT 1
2399# define SSL_VALUE_EVENT_HANDLING_MODE_EXPLICIT 2
2400
2401int SSL_get_value_uint(SSL *s, uint32_t class_, uint32_t id, uint64_t *v);
2402int SSL_set_value_uint(SSL *s, uint32_t class_, uint32_t id, uint64_t v);
2403
2404# define SSL_get_generic_value_uint(ssl, id, v) \
2405 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2406# define SSL_set_generic_value_uint(ssl, id, v) \
2407 SSL_set_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2408# define SSL_get_feature_request_uint(ssl, id, v) \
2409 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2410# define SSL_set_feature_request_uint(ssl, id, v) \
2411 SSL_set_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2412# define SSL_get_feature_peer_request_uint(ssl, id, v) \
2413 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_PEER_REQUEST, (id), (v))
2414# define SSL_get_feature_negotiated_uint(ssl, id, v) \
2415 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_NEGOTIATED, (id), (v))
2416
2417# define SSL_get_quic_stream_bidi_local_avail(ssl, value) \
2418 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL, \
2419 (value))
2420# define SSL_get_quic_stream_bidi_remote_avail(ssl, value) \
2421 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL, \
2422 (value))
2423# define SSL_get_quic_stream_uni_local_avail(ssl, value) \
2424 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL, \
2425 (value))
2426# define SSL_get_quic_stream_uni_remote_avail(ssl, value) \
2427 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL, \
2428 (value))
2429
2430# define SSL_get_event_handling_mode(ssl, value) \
2431 SSL_get_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2432 (value))
2433# define SSL_set_event_handling_mode(ssl, value) \
2434 SSL_set_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2435 (value))
2436
2437# define SSL_get_stream_write_buf_size(ssl, value) \
2438 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_SIZE, \
2439 (value))
2440# define SSL_get_stream_write_buf_used(ssl, value) \
2441 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_USED, \
2442 (value))
2443# define SSL_get_stream_write_buf_avail(ssl, value) \
2444 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_AVAIL, \
2445 (value))
2446
2447# define SSL_POLL_EVENT_NONE 0
2448
2449# define SSL_POLL_EVENT_F (1U << 0) /* F (Failure) */
2450# define SSL_POLL_EVENT_EL (1U << 1) /* EL (Exception on Listener) */
2451# define SSL_POLL_EVENT_EC (1U << 2) /* EC (Exception on Conn) */
2452# define SSL_POLL_EVENT_ECD (1U << 3) /* ECD (Exception on Conn Drained) */
2453# define SSL_POLL_EVENT_ER (1U << 4) /* ER (Exception on Read) */
2454# define SSL_POLL_EVENT_EW (1U << 5) /* EW (Exception on Write) */
2455# define SSL_POLL_EVENT_R (1U << 6) /* R (Readable) */
2456# define SSL_POLL_EVENT_W (1U << 7) /* W (Writable) */
2457# define SSL_POLL_EVENT_IC (1U << 8) /* IC (Incoming Connection) */
2458# define SSL_POLL_EVENT_ISB (1U << 9) /* ISB (Incoming Stream: Bidi) */
2459# define SSL_POLL_EVENT_ISU (1U << 10) /* ISU (Incoming Stream: Uni) */
2460# define SSL_POLL_EVENT_OSB (1U << 11) /* OSB (Outgoing Stream: Bidi) */
2461# define SSL_POLL_EVENT_OSU (1U << 12) /* OSU (Outgoing Stream: Uni) */
2462
2463# define SSL_POLL_EVENT_RW (SSL_POLL_EVENT_R | SSL_POLL_EVENT_W)
2464# define SSL_POLL_EVENT_RE (SSL_POLL_EVENT_R | SSL_POLL_EVENT_ER)
2465# define SSL_POLL_EVENT_WE (SSL_POLL_EVENT_W | SSL_POLL_EVENT_EW)
2466# define SSL_POLL_EVENT_RWE (SSL_POLL_EVENT_RE | SSL_POLL_EVENT_WE)
2467# define SSL_POLL_EVENT_E (SSL_POLL_EVENT_EL | SSL_POLL_EVENT_EC \
2468 | SSL_POLL_EVENT_ER | SSL_POLL_EVENT_EW)
2469# define SSL_POLL_EVENT_IS (SSL_POLL_EVENT_ISB | SSL_POLL_EVENT_ISU)
2470# define SSL_POLL_EVENT_ISE (SSL_POLL_EVENT_IS | SSL_POLL_EVENT_EC)
2471# define SSL_POLL_EVENT_I (SSL_POLL_EVENT_IS | SSL_POLL_EVENT_IC)
2472# define SSL_POLL_EVENT_OS (SSL_POLL_EVENT_OSB | SSL_POLL_EVENT_OSU)
2473# define SSL_POLL_EVENT_OSE (SSL_POLL_EVENT_OS | SSL_POLL_EVENT_EC)
2474
2475typedef struct ssl_poll_item_st {
2476 BIO_POLL_DESCRIPTOR desc;
2477 uint64_t events, revents;
2478} SSL_POLL_ITEM;
2479
2480# define SSL_POLL_FLAG_NO_HANDLE_EVENTS (1U << 0)
2481
2482__owur int SSL_poll(SSL_POLL_ITEM *items,
2483 size_t num_items,
2484 size_t stride,
2485 const struct timeval *timeout,
2486 uint64_t flags,
2487 size_t *result_count);
2488
2489static ossl_inline ossl_unused BIO_POLL_DESCRIPTOR
2490SSL_as_poll_descriptor(SSL *s)
2491{
2492 BIO_POLL_DESCRIPTOR d;
2493
2494 d.type = BIO_POLL_DESCRIPTOR_TYPE_SSL;
2495 d.value.ssl = s;
2496 return d;
2497}
2498
2499# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2500# define SSL_cache_hit(s) SSL_session_reused(s)
2501# endif
2502
2503__owur int SSL_session_reused(const SSL *s);
2504__owur int SSL_is_server(const SSL *s);
2505
2506__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2507int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2508void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2509unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2510__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2511 unsigned int flags);
2512__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2513
2514void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2515void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2516
2517__owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2518__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2519__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2520
2521void SSL_add_ssl_module(void);
2522int SSL_config(SSL *s, const char *name);
2523int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2524
2525# ifndef OPENSSL_NO_SSL_TRACE
2526void SSL_trace(int write_p, int version, int content_type,
2527 const void *buf, size_t len, SSL *ssl, void *arg);
2528# endif
2529
2530# ifndef OPENSSL_NO_SOCK
2531int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2532# endif
2533
2534# ifndef OPENSSL_NO_CT
2535
2536/*
2537 * A callback for verifying that the received SCTs are sufficient.
2538 * Expected to return 1 if they are sufficient, otherwise 0.
2539 * May return a negative integer if an error occurs.
2540 * A connection should be aborted if the SCTs are deemed insufficient.
2541 */
2542typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2543 const STACK_OF(SCT) *scts, void *arg);
2544
2545/*
2546 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2547 * the received SCTs.
2548 * If the callback returns a non-positive result, the connection is terminated.
2549 * Call this function before beginning a handshake.
2550 * If a NULL |callback| is provided, SCT validation is disabled.
2551 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2552 * is invoked. Ownership of |arg| remains with the caller.
2553 *
2554 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2555 * will be requested.
2556 */
2557int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2558 void *arg);
2559int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2560 ssl_ct_validation_cb callback,
2561 void *arg);
2562#define SSL_disable_ct(s) \
2563 ((void) SSL_set_validation_callback((s), NULL, NULL))
2564#define SSL_CTX_disable_ct(ctx) \
2565 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2566
2567/*
2568 * The validation type enumerates the available behaviours of the built-in SSL
2569 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2570 * The underlying callback is a static function in libssl.
2571 */
2572enum {
2573 SSL_CT_VALIDATION_PERMISSIVE = 0,
2574 SSL_CT_VALIDATION_STRICT
2575};
2576
2577/*
2578 * Enable CT by setting up a callback that implements one of the built-in
2579 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2580 * continues the handshake, the application can make appropriate decisions at
2581 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2582 * least one valid SCT, or else handshake termination will be requested. The
2583 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2584 */
2585int SSL_enable_ct(SSL *s, int validation_mode);
2586int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2587
2588/*
2589 * Report whether a non-NULL callback is enabled.
2590 */
2591int SSL_ct_is_enabled(const SSL *s);
2592int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2593
2594/* Gets the SCTs received from a connection */
2595const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2596
2597/*
2598 * Loads the CT log list from the default location.
2599 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2600 * the log information loaded from this file will be appended to the
2601 * CTLOG_STORE.
2602 * Returns 1 on success, 0 otherwise.
2603 */
2604int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2605
2606/*
2607 * Loads the CT log list from the specified file path.
2608 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2609 * the log information loaded from this file will be appended to the
2610 * CTLOG_STORE.
2611 * Returns 1 on success, 0 otherwise.
2612 */
2613int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2614
2615/*
2616 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2617 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2618 */
2619void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2620
2621/*
2622 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2623 * This will be NULL unless one of the following functions has been called:
2624 * - SSL_CTX_set_default_ctlog_list_file
2625 * - SSL_CTX_set_ctlog_list_file
2626 * - SSL_CTX_set_ctlog_store
2627 */
2628const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2629
2630# endif /* OPENSSL_NO_CT */
2631
2632/* What the "other" parameter contains in security callback */
2633/* Mask for type */
2634# define SSL_SECOP_OTHER_TYPE 0xffff0000
2635# define SSL_SECOP_OTHER_NONE 0
2636# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2637# define SSL_SECOP_OTHER_CURVE (2 << 16)
2638# define SSL_SECOP_OTHER_DH (3 << 16)
2639# define SSL_SECOP_OTHER_PKEY (4 << 16)
2640# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2641# define SSL_SECOP_OTHER_CERT (6 << 16)
2642
2643/* Indicated operation refers to peer key or certificate */
2644# define SSL_SECOP_PEER 0x1000
2645
2646/* Values for "op" parameter in security callback */
2647
2648/* Called to filter ciphers */
2649/* Ciphers client supports */
2650# define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2651/* Cipher shared by client/server */
2652# define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2653/* Sanity check of cipher server selects */
2654# define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2655/* Curves supported by client */
2656# define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2657/* Curves shared by client/server */
2658# define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2659/* Sanity check of curve server selects */
2660# define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2661/* Temporary DH key */
2662# define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2663/* SSL/TLS version */
2664# define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2665/* Session tickets */
2666# define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2667/* Supported signature algorithms sent to peer */
2668# define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2669/* Shared signature algorithm */
2670# define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2671/* Sanity check signature algorithm allowed */
2672# define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2673/* Used to get mask of supported public key signature algorithms */
2674# define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2675/* Use to see if compression is allowed */
2676# define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2677/* EE key in certificate */
2678# define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2679/* CA key in certificate */
2680# define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2681/* CA digest algorithm in certificate */
2682# define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2683/* Peer EE key in certificate */
2684# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2685/* Peer CA key in certificate */
2686# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2687/* Peer CA digest algorithm in certificate */
2688# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2689
2690void SSL_set_security_level(SSL *s, int level);
2691__owur int SSL_get_security_level(const SSL *s);
2692void SSL_set_security_callback(SSL *s,
2693 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2694 int op, int bits, int nid,
2695 void *other, void *ex));
2696int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2697 const SSL_CTX *ctx, int op,
2698 int bits, int nid, void *other,
2699 void *ex);
2700void SSL_set0_security_ex_data(SSL *s, void *ex);
2701__owur void *SSL_get0_security_ex_data(const SSL *s);
2702
2703void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2704__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2705void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2706 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2707 int op, int bits, int nid,
2708 void *other, void *ex));
2709int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2710 const SSL_CTX *ctx,
2711 int op, int bits,
2712 int nid,
2713 void *other,
2714 void *ex);
2715void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2716__owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2717
2718/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2719# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2720# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2721
2722# define OPENSSL_INIT_SSL_DEFAULT \
2723 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2724
2725int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2726
2727# ifndef OPENSSL_NO_UNIT_TEST
2728__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2729# endif
2730
2731__owur int SSL_free_buffers(SSL *ssl);
2732__owur int SSL_alloc_buffers(SSL *ssl);
2733
2734/* Status codes passed to the decrypt session ticket callback. Some of these
2735 * are for internal use only and are never passed to the callback. */
2736typedef int SSL_TICKET_STATUS;
2737
2738/* Support for ticket appdata */
2739/* fatal error, malloc failure */
2740# define SSL_TICKET_FATAL_ERR_MALLOC 0
2741/* fatal error, either from parsing or decrypting the ticket */
2742# define SSL_TICKET_FATAL_ERR_OTHER 1
2743/* No ticket present */
2744# define SSL_TICKET_NONE 2
2745/* Empty ticket present */
2746# define SSL_TICKET_EMPTY 3
2747/* the ticket couldn't be decrypted */
2748# define SSL_TICKET_NO_DECRYPT 4
2749/* a ticket was successfully decrypted */
2750# define SSL_TICKET_SUCCESS 5
2751/* same as above but the ticket needs to be renewed */
2752# define SSL_TICKET_SUCCESS_RENEW 6
2753
2754/* Return codes for the decrypt session ticket callback */
2755typedef int SSL_TICKET_RETURN;
2756
2757/* An error occurred */
2758#define SSL_TICKET_RETURN_ABORT 0
2759/* Do not use the ticket, do not send a renewed ticket to the client */
2760#define SSL_TICKET_RETURN_IGNORE 1
2761/* Do not use the ticket, send a renewed ticket to the client */
2762#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2763/* Use the ticket, do not send a renewed ticket to the client */
2764#define SSL_TICKET_RETURN_USE 3
2765/* Use the ticket, send a renewed ticket to the client */
2766#define SSL_TICKET_RETURN_USE_RENEW 4
2767
2768typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2769typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2770 const unsigned char *keyname,
2771 size_t keyname_length,
2772 SSL_TICKET_STATUS status,
2773 void *arg);
2774int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2775 SSL_CTX_generate_session_ticket_fn gen_cb,
2776 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2777 void *arg);
2778int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2779int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2780
2781typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2782
2783void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2784
2785
2786typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2787void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2788 SSL_allow_early_data_cb_fn cb,
2789 void *arg);
2790void SSL_set_allow_early_data_cb(SSL *s,
2791 SSL_allow_early_data_cb_fn cb,
2792 void *arg);
2793
2794/* store the default cipher strings inside the library */
2795const char *OSSL_default_cipher_list(void);
2796const char *OSSL_default_ciphersuites(void);
2797
2798/* RFC8879 Certificate compression APIs */
2799
2800int SSL_CTX_compress_certs(SSL_CTX *ctx, int alg);
2801int SSL_compress_certs(SSL *ssl, int alg);
2802
2803int SSL_CTX_set1_cert_comp_preference(SSL_CTX *ctx, int *algs, size_t len);
2804int SSL_set1_cert_comp_preference(SSL *ssl, int *algs, size_t len);
2805
2806int SSL_CTX_set1_compressed_cert(SSL_CTX *ctx, int algorithm, unsigned char *comp_data,
2807 size_t comp_length, size_t orig_length);
2808int SSL_set1_compressed_cert(SSL *ssl, int algorithm, unsigned char *comp_data,
2809 size_t comp_length, size_t orig_length);
2810size_t SSL_CTX_get1_compressed_cert(SSL_CTX *ctx, int alg, unsigned char **data, size_t *orig_len);
2811size_t SSL_get1_compressed_cert(SSL *ssl, int alg, unsigned char **data, size_t *orig_len);
2812
2813__owur int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk);
2814__owur EVP_PKEY *SSL_get0_peer_rpk(const SSL *s);
2815__owur EVP_PKEY *SSL_SESSION_get0_peer_rpk(SSL_SESSION *s);
2816__owur int SSL_get_negotiated_client_cert_type(const SSL *s);
2817__owur int SSL_get_negotiated_server_cert_type(const SSL *s);
2818
2819__owur int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len);
2820__owur int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len);
2821__owur int SSL_CTX_set1_client_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len);
2822__owur int SSL_CTX_set1_server_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len);
2823__owur int SSL_get0_client_cert_type(const SSL *s, unsigned char **t, size_t *len);
2824__owur int SSL_get0_server_cert_type(const SSL *s, unsigned char **t, size_t *len);
2825__owur int SSL_CTX_get0_client_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len);
2826__owur int SSL_CTX_get0_server_cert_type(const SSL_CTX *s, unsigned char **t, size_t *len);
2827
2828# ifdef __cplusplus
2829}
2830# endif
2831#endif
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