1/*
2 * WARNING: do not edit!
3 * Generated by Makefile from include/openssl/ssl.h.in
4 *
5 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
6 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
7 * Copyright 2005 Nokia. All rights reserved.
8 *
9 * Licensed under the Apache License 2.0 (the "License"). You may not use
10 * this file except in compliance with the License. You can obtain a copy
11 * in the file LICENSE in the source distribution or at
12 * https://www.openssl.org/source/license.html
13 */
14
15
16
17#ifndef OPENSSL_SSL_H
18# define OPENSSL_SSL_H
19# pragma once
20
21# include <openssl/macros.h>
22# ifndef OPENSSL_NO_DEPRECATED_3_0
23# define HEADER_SSL_H
24# endif
25
26# include <openssl/e_os2.h>
27# include <openssl/e_ostime.h>
28# include <openssl/opensslconf.h>
29# include <openssl/comp.h>
30# include <openssl/bio.h>
31# ifndef OPENSSL_NO_DEPRECATED_1_1_0
32# include <openssl/x509.h>
33# include <openssl/crypto.h>
34# include <openssl/buffer.h>
35# endif
36# include <openssl/lhash.h>
37# include <openssl/pem.h>
38# include <openssl/hmac.h>
39# include <openssl/async.h>
40
41# include <openssl/safestack.h>
42# include <openssl/symhacks.h>
43# include <openssl/ct.h>
44# include <openssl/sslerr.h>
45# include <openssl/prov_ssl.h>
46# ifndef OPENSSL_NO_STDIO
47# include <stdio.h>
48# endif
49
50#ifdef __cplusplus
51extern "C" {
52#endif
53
54/* OpenSSL version number for ASN.1 encoding of the session information */
55/*-
56 * Version 0 - initial version
57 * Version 1 - added the optional peer certificate
58 */
59# define SSL_SESSION_ASN1_VERSION 0x0001
60
61# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
62# define SSL_MAX_SID_CTX_LENGTH 32
63
64# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
65# define SSL_MAX_KEY_ARG_LENGTH 8
66/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
67
68/* The maximum number of encrypt/decrypt pipelines we can support */
69# define SSL_MAX_PIPELINES 32
70
71/* text strings for the ciphers */
72
73/* These are used to specify which ciphers to use and not to use */
74
75# define SSL_TXT_LOW "LOW"
76# define SSL_TXT_MEDIUM "MEDIUM"
77# define SSL_TXT_HIGH "HIGH"
78# define SSL_TXT_FIPS "FIPS"
79
80# define SSL_TXT_aNULL "aNULL"
81# define SSL_TXT_eNULL "eNULL"
82# define SSL_TXT_NULL "NULL"
83
84# define SSL_TXT_kRSA "kRSA"
85# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
86# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
87# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
88# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
89# define SSL_TXT_kDHE "kDHE"
90# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
91# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
92# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
93# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
94# define SSL_TXT_kECDHE "kECDHE"
95# define SSL_TXT_kPSK "kPSK"
96# define SSL_TXT_kRSAPSK "kRSAPSK"
97# define SSL_TXT_kECDHEPSK "kECDHEPSK"
98# define SSL_TXT_kDHEPSK "kDHEPSK"
99# define SSL_TXT_kGOST "kGOST"
100# define SSL_TXT_kGOST18 "kGOST18"
101# define SSL_TXT_kSRP "kSRP"
102
103# define SSL_TXT_aRSA "aRSA"
104# define SSL_TXT_aDSS "aDSS"
105# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
106# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
107# define SSL_TXT_aECDSA "aECDSA"
108# define SSL_TXT_aPSK "aPSK"
109# define SSL_TXT_aGOST94 "aGOST94"
110# define SSL_TXT_aGOST01 "aGOST01"
111# define SSL_TXT_aGOST12 "aGOST12"
112# define SSL_TXT_aGOST "aGOST"
113# define SSL_TXT_aSRP "aSRP"
114
115# define SSL_TXT_DSS "DSS"
116# define SSL_TXT_DH "DH"
117# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
118# define SSL_TXT_EDH "EDH"/* alias for DHE */
119# define SSL_TXT_ADH "ADH"
120# define SSL_TXT_RSA "RSA"
121# define SSL_TXT_ECDH "ECDH"
122# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
123# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
124# define SSL_TXT_AECDH "AECDH"
125# define SSL_TXT_ECDSA "ECDSA"
126# define SSL_TXT_PSK "PSK"
127# define SSL_TXT_SRP "SRP"
128
129# define SSL_TXT_DES "DES"
130# define SSL_TXT_3DES "3DES"
131# define SSL_TXT_RC4 "RC4"
132# define SSL_TXT_RC2 "RC2"
133# define SSL_TXT_IDEA "IDEA"
134# define SSL_TXT_SEED "SEED"
135# define SSL_TXT_AES128 "AES128"
136# define SSL_TXT_AES256 "AES256"
137# define SSL_TXT_AES "AES"
138# define SSL_TXT_AES_GCM "AESGCM"
139# define SSL_TXT_AES_CCM "AESCCM"
140# define SSL_TXT_AES_CCM_8 "AESCCM8"
141# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
142# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
143# define SSL_TXT_CAMELLIA "CAMELLIA"
144# define SSL_TXT_CHACHA20 "CHACHA20"
145# define SSL_TXT_GOST "GOST89"
146# define SSL_TXT_ARIA "ARIA"
147# define SSL_TXT_ARIA_GCM "ARIAGCM"
148# define SSL_TXT_ARIA128 "ARIA128"
149# define SSL_TXT_ARIA256 "ARIA256"
150# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
151# define SSL_TXT_CBC "CBC"
152
153# define SSL_TXT_MD5 "MD5"
154# define SSL_TXT_SHA1 "SHA1"
155# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
156# define SSL_TXT_GOST94 "GOST94"
157# define SSL_TXT_GOST89MAC "GOST89MAC"
158# define SSL_TXT_GOST12 "GOST12"
159# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
160# define SSL_TXT_SHA256 "SHA256"
161# define SSL_TXT_SHA384 "SHA384"
162
163# define SSL_TXT_SSLV3 "SSLv3"
164# define SSL_TXT_TLSV1 "TLSv1"
165# define SSL_TXT_TLSV1_1 "TLSv1.1"
166# define SSL_TXT_TLSV1_2 "TLSv1.2"
167
168# define SSL_TXT_ALL "ALL"
169
170/*-
171 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
172 * ciphers normally not being used.
173 * Example: "RC4" will activate all ciphers using RC4 including ciphers
174 * without authentication, which would normally disabled by DEFAULT (due
175 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
176 * will make sure that it is also disabled in the specific selection.
177 * COMPLEMENTOF* identifiers are portable between version, as adjustments
178 * to the default cipher setup will also be included here.
179 *
180 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
181 * DEFAULT gets, as only selection is being done and no sorting as needed
182 * for DEFAULT.
183 */
184# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
185# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
186
187/*
188 * The following cipher list is used by default. It also is substituted when
189 * an application-defined cipher list string starts with 'DEFAULT'.
190 * This applies to ciphersuites for TLSv1.2 and below.
191 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
192 * Update both macro and function simultaneously
193 */
194# ifndef OPENSSL_NO_DEPRECATED_3_0
195# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
196/*
197 * This is the default set of TLSv1.3 ciphersuites
198 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
199 * Update both macro and function simultaneously
200 */
201# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
202 "TLS_CHACHA20_POLY1305_SHA256:" \
203 "TLS_AES_128_GCM_SHA256"
204# endif
205/*
206 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
207 * starts with a reasonable order, and all we have to do for DEFAULT is
208 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
209 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
210 */
211
212/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
213# define SSL_SENT_SHUTDOWN 1
214# define SSL_RECEIVED_SHUTDOWN 2
215
216#ifdef __cplusplus
217}
218#endif
219
220#ifdef __cplusplus
221extern "C" {
222#endif
223
224# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
225# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
226
227/*
228 * This is needed to stop compilers complaining about the 'struct ssl_st *'
229 * function parameters used to prototype callbacks in SSL_CTX.
230 */
231typedef struct ssl_st *ssl_crock_st;
232typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
233typedef struct ssl_method_st SSL_METHOD;
234typedef struct ssl_cipher_st SSL_CIPHER;
235typedef struct ssl_session_st SSL_SESSION;
236typedef struct tls_sigalgs_st TLS_SIGALGS;
237typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
238
239STACK_OF(SSL_CIPHER);
240
241/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
242typedef struct srtp_protection_profile_st {
243 const char *name;
244 unsigned long id;
245} SRTP_PROTECTION_PROFILE;
246SKM_DEFINE_STACK_OF_INTERNAL(SRTP_PROTECTION_PROFILE, SRTP_PROTECTION_PROFILE, SRTP_PROTECTION_PROFILE)
247#define sk_SRTP_PROTECTION_PROFILE_num(sk) OPENSSL_sk_num(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk))
248#define sk_SRTP_PROTECTION_PROFILE_value(sk, idx) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_value(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk), (idx)))
249#define sk_SRTP_PROTECTION_PROFILE_new(cmp) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new(ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp)))
250#define sk_SRTP_PROTECTION_PROFILE_new_null() ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new_null())
251#define sk_SRTP_PROTECTION_PROFILE_new_reserve(cmp, n) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new_reserve(ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp), (n)))
252#define sk_SRTP_PROTECTION_PROFILE_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (n))
253#define sk_SRTP_PROTECTION_PROFILE_free(sk) OPENSSL_sk_free(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
254#define sk_SRTP_PROTECTION_PROFILE_zero(sk) OPENSSL_sk_zero(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
255#define sk_SRTP_PROTECTION_PROFILE_delete(sk, i) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_delete(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (i)))
256#define sk_SRTP_PROTECTION_PROFILE_delete_ptr(sk, ptr) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_delete_ptr(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr)))
257#define sk_SRTP_PROTECTION_PROFILE_push(sk, ptr) OPENSSL_sk_push(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
258#define sk_SRTP_PROTECTION_PROFILE_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
259#define sk_SRTP_PROTECTION_PROFILE_pop(sk) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_pop(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk)))
260#define sk_SRTP_PROTECTION_PROFILE_shift(sk) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_shift(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk)))
261#define sk_SRTP_PROTECTION_PROFILE_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_freefunc_type(freefunc))
262#define sk_SRTP_PROTECTION_PROFILE_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr), (idx))
263#define sk_SRTP_PROTECTION_PROFILE_set(sk, idx, ptr) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_set(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (idx), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr)))
264#define sk_SRTP_PROTECTION_PROFILE_find(sk, ptr) OPENSSL_sk_find(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
265#define sk_SRTP_PROTECTION_PROFILE_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
266#define sk_SRTP_PROTECTION_PROFILE_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr), pnum)
267#define sk_SRTP_PROTECTION_PROFILE_sort(sk) OPENSSL_sk_sort(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
268#define sk_SRTP_PROTECTION_PROFILE_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk))
269#define sk_SRTP_PROTECTION_PROFILE_dup(sk) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_dup(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk)))
270#define sk_SRTP_PROTECTION_PROFILE_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_deep_copy(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_copyfunc_type(copyfunc), ossl_check_SRTP_PROTECTION_PROFILE_freefunc_type(freefunc)))
271#define sk_SRTP_PROTECTION_PROFILE_set_cmp_func(sk, cmp) ((sk_SRTP_PROTECTION_PROFILE_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp)))
272
273
274
275typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
276 int len, void *arg);
277typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
278 STACK_OF(SSL_CIPHER) *peer_ciphers,
279 const SSL_CIPHER **cipher, void *arg);
280
281/* Extension context codes */
282/* This extension is only allowed in TLS */
283#define SSL_EXT_TLS_ONLY 0x00001
284/* This extension is only allowed in DTLS */
285#define SSL_EXT_DTLS_ONLY 0x00002
286/* Some extensions may be allowed in DTLS but we don't implement them for it */
287#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x00004
288/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
289#define SSL_EXT_SSL3_ALLOWED 0x00008
290/* Extension is only defined for TLS1.2 and below */
291#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x00010
292/* Extension is only defined for TLS1.3 and above */
293#define SSL_EXT_TLS1_3_ONLY 0x00020
294/* Ignore this extension during parsing if we are resuming */
295#define SSL_EXT_IGNORE_ON_RESUMPTION 0x00040
296#define SSL_EXT_CLIENT_HELLO 0x00080
297/* Really means TLS1.2 or below */
298#define SSL_EXT_TLS1_2_SERVER_HELLO 0x00100
299#define SSL_EXT_TLS1_3_SERVER_HELLO 0x00200
300#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x00400
301#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x00800
302#define SSL_EXT_TLS1_3_CERTIFICATE 0x01000
303#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x02000
304#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x04000
305#define SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION 0x08000
306/* When sending a raw public key in a certificate message */
307#define SSL_EXT_TLS1_3_RAW_PUBLIC_KEY 0x10000
308
309/* Typedefs for handling custom extensions */
310
311typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
312 const unsigned char **out, size_t *outlen,
313 int *al, void *add_arg);
314
315typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
316 const unsigned char *out, void *add_arg);
317
318typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
319 const unsigned char *in, size_t inlen,
320 int *al, void *parse_arg);
321
322
323typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
324 unsigned int context,
325 const unsigned char **out,
326 size_t *outlen, X509 *x,
327 size_t chainidx,
328 int *al, void *add_arg);
329
330typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
331 unsigned int context,
332 const unsigned char *out,
333 void *add_arg);
334
335typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
336 unsigned int context,
337 const unsigned char *in,
338 size_t inlen, X509 *x,
339 size_t chainidx,
340 int *al, void *parse_arg);
341
342/* Typedef for verification callback */
343typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
344
345/* Typedef for SSL async callback */
346typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
347
348#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
349
350/*
351 * SSL/TLS connection options.
352 */
353 /* Disable Extended master secret */
354# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
355 /* Cleanse plaintext copies of data delivered to the application */
356# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
357 /* Allow initial connection to servers that don't support RI */
358# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
359 /* Enable support for Kernel TLS */
360# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
361# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
362# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
363# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
364# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
365# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
366 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
367# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
368 /*
369 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
370 * in OpenSSL 0.9.6d. Usually (depending on the application protocol)
371 * the workaround is not needed. Unfortunately some broken SSL/TLS
372 * implementations cannot handle it at all, which is why we include it
373 * in SSL_OP_ALL. Added in 0.9.6e
374 */
375# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
376 /* DTLS options */
377# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
378 /* Turn on Cookie Exchange (on relevant for servers) */
379# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
380 /* Don't use RFC4507 ticket extension */
381# define SSL_OP_NO_TICKET SSL_OP_BIT(14)
382# ifndef OPENSSL_NO_DTLS1_METHOD
383 /*
384 * Use Cisco's version identifier of DTLS_BAD_VER
385 * (only with deprecated DTLSv1_client_method())
386 */
387# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
388# endif
389 /* As server, disallow session resumption on renegotiation */
390# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
391 /* Don't use compression even if supported */
392# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
393 /* Permit unsafe legacy renegotiation */
394# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
395 /* Disable encrypt-then-mac */
396# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
397 /*
398 * Enable TLSv1.3 Compatibility mode. This is on by default. A future
399 * version of OpenSSL may have this disabled by default.
400 */
401# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
402 /*
403 * Prioritize Chacha20Poly1305 when client does.
404 * Modifies SSL_OP_SERVER_PREFERENCE
405 */
406# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
407 /*
408 * Set on servers to choose cipher, curve or group according to server's
409 * preferences.
410 */
411# define SSL_OP_SERVER_PREFERENCE SSL_OP_BIT(22)
412 /* Equivalent definition for backwards compatibility: */
413# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_SERVER_PREFERENCE
414 /*
415 * If set, a server will allow a client to issue an SSLv3.0 version
416 * number as latest version supported in the premaster secret, even when
417 * TLSv1.0 (version 3.1) was announced in the client hello. Normally
418 * this is forbidden to prevent version rollback attacks.
419 */
420# define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
421 /*
422 * Switches off automatic TLSv1.3 anti-replay protection for early data.
423 * This is a server-side option only (no effect on the client).
424 */
425# define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
426# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
427# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
428# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
429# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
430# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
431# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
432# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
433 /* Disallow all renegotiation */
434# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
435 /*
436 * Make server add server-hello extension from early version of
437 * cryptopro draft, when GOST ciphersuite is negotiated. Required for
438 * interoperability with CryptoPro CSP 3.x
439 */
440# define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
441/*
442 * Disable RFC8879 certificate compression
443 * SSL_OP_NO_TX_CERTIFICATE_COMPRESSION: don't send compressed certificates,
444 * and ignore the extension when received.
445 * SSL_OP_NO_RX_CERTIFICATE_COMPRESSION: don't send the extension, and
446 * subsequently indicating that receiving is not supported
447 */
448# define SSL_OP_NO_TX_CERTIFICATE_COMPRESSION SSL_OP_BIT(32)
449# define SSL_OP_NO_RX_CERTIFICATE_COMPRESSION SSL_OP_BIT(33)
450 /* Enable KTLS TX zerocopy on Linux */
451# define SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE SSL_OP_BIT(34)
452# define SSL_OP_PREFER_NO_DHE_KEX SSL_OP_BIT(35)
453# define SSL_OP_LEGACY_EC_POINT_FORMATS SSL_OP_BIT(36)
454
455/*
456 * Option "collections."
457 */
458# define SSL_OP_NO_SSL_MASK \
459 ( SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 \
460 | SSL_OP_NO_TLSv1_2 | SSL_OP_NO_TLSv1_3 )
461# define SSL_OP_NO_DTLS_MASK \
462 ( SSL_OP_NO_DTLSv1 | SSL_OP_NO_DTLSv1_2 )
463
464/* Various bug workarounds that should be rather harmless. */
465# define SSL_OP_ALL \
466 ( SSL_OP_CRYPTOPRO_TLSEXT_BUG | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
467 | SSL_OP_TLSEXT_PADDING | SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
468
469/*
470 * OBSOLETE OPTIONS retained for compatibility
471 */
472
473# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
474# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
475# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
476# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
477# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
478# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
479# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
480# define SSL_OP_TLS_D5_BUG 0x0
481# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
482# define SSL_OP_SINGLE_ECDH_USE 0x0
483# define SSL_OP_SINGLE_DH_USE 0x0
484# define SSL_OP_EPHEMERAL_RSA 0x0
485# define SSL_OP_NO_SSLv2 0x0
486# define SSL_OP_PKCS1_CHECK_1 0x0
487# define SSL_OP_PKCS1_CHECK_2 0x0
488# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
489# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
490
491/*
492 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
493 * when just a single record has been written):
494 */
495# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
496/*
497 * Make it possible to retry SSL_write() with changed buffer location (buffer
498 * contents must stay the same!); this is not the default to avoid the
499 * misconception that non-blocking SSL_write() behaves like non-blocking
500 * write():
501 */
502# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
503/*
504 * Never bother the application with retries if the transport is blocking:
505 */
506# define SSL_MODE_AUTO_RETRY 0x00000004U
507/* Don't attempt to automatically build certificate chain */
508# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
509/*
510 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
511 * TLS only.) Released buffers are freed.
512 */
513# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
514/*
515 * Send the current time in the Random fields of the ClientHello and
516 * ServerHello records for compatibility with hypothetical implementations
517 * that require it.
518 */
519# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
520# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
521/*
522 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
523 * that reconnect with a downgraded protocol version; see
524 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
525 * application attempts a normal handshake. Only use this in explicit
526 * fallback retries, following the guidance in
527 * draft-ietf-tls-downgrade-scsv-00.
528 */
529# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
530/*
531 * Support Asynchronous operation
532 */
533# define SSL_MODE_ASYNC 0x00000100U
534
535/*
536 * When using DTLS/SCTP, include the terminating zero in the label
537 * used for computing the endpoint-pair shared secret. Required for
538 * interoperability with implementations having this bug like these
539 * older version of OpenSSL:
540 * - OpenSSL 1.0.0 series
541 * - OpenSSL 1.0.1 series
542 * - OpenSSL 1.0.2 series
543 * - OpenSSL 1.1.0 series
544 * - OpenSSL 1.1.1 and 1.1.1a
545 */
546# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
547
548/* Cert related flags */
549/*
550 * Many implementations ignore some aspects of the TLS standards such as
551 * enforcing certificate chain algorithms. When this is set we enforce them.
552 */
553# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
554
555/* Suite B modes, takes same values as certificate verify flags */
556# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
557/* Suite B 192 bit only mode */
558# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
559/* Suite B 128 bit mode allowing 192 bit algorithms */
560# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
561
562/* Perform all sorts of protocol violations for testing purposes */
563# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
564
565/* Flags for building certificate chains */
566/* Treat any existing certificates as untrusted CAs */
567# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
568/* Don't include root CA in chain */
569# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
570/* Just check certificates already there */
571# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
572/* Ignore verification errors */
573# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
574/* Clear verification errors from queue */
575# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
576
577/* Flags returned by SSL_check_chain */
578/* Certificate can be used with this session */
579# define CERT_PKEY_VALID 0x1
580/* Certificate can also be used for signing */
581# define CERT_PKEY_SIGN 0x2
582/* EE certificate signing algorithm OK */
583# define CERT_PKEY_EE_SIGNATURE 0x10
584/* CA signature algorithms OK */
585# define CERT_PKEY_CA_SIGNATURE 0x20
586/* EE certificate parameters OK */
587# define CERT_PKEY_EE_PARAM 0x40
588/* CA certificate parameters OK */
589# define CERT_PKEY_CA_PARAM 0x80
590/* Signing explicitly allowed as opposed to SHA1 fallback */
591# define CERT_PKEY_EXPLICIT_SIGN 0x100
592/* Client CA issuer names match (always set for server cert) */
593# define CERT_PKEY_ISSUER_NAME 0x200
594/* Cert type matches client types (always set for server cert) */
595# define CERT_PKEY_CERT_TYPE 0x400
596/* Cert chain suitable to Suite B */
597# define CERT_PKEY_SUITEB 0x800
598/* Cert pkey valid for raw public key use */
599# define CERT_PKEY_RPK 0x1000
600
601# define SSL_CONF_FLAG_CMDLINE 0x1
602# define SSL_CONF_FLAG_FILE 0x2
603# define SSL_CONF_FLAG_CLIENT 0x4
604# define SSL_CONF_FLAG_SERVER 0x8
605# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
606# define SSL_CONF_FLAG_CERTIFICATE 0x20
607# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
608/* Configuration value types */
609# define SSL_CONF_TYPE_UNKNOWN 0x0
610# define SSL_CONF_TYPE_STRING 0x1
611# define SSL_CONF_TYPE_FILE 0x2
612# define SSL_CONF_TYPE_DIR 0x3
613# define SSL_CONF_TYPE_NONE 0x4
614# define SSL_CONF_TYPE_STORE 0x5
615
616/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
617# define SSL_COOKIE_LENGTH 4096
618
619/*
620 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
621 * cannot be used to clear bits.
622 */
623
624uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
625uint64_t SSL_get_options(const SSL *s);
626uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
627uint64_t SSL_clear_options(SSL *s, uint64_t op);
628uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
629uint64_t SSL_set_options(SSL *s, uint64_t op);
630
631# define SSL_CTX_set_mode(ctx,op) \
632 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
633# define SSL_CTX_clear_mode(ctx,op) \
634 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
635# define SSL_CTX_get_mode(ctx) \
636 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
637# define SSL_clear_mode(ssl,op) \
638 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
639# define SSL_set_mode(ssl,op) \
640 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
641# define SSL_get_mode(ssl) \
642 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
643# define SSL_set_mtu(ssl, mtu) \
644 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
645# define DTLS_set_link_mtu(ssl, mtu) \
646 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
647# define DTLS_get_link_min_mtu(ssl) \
648 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
649
650# define SSL_get_secure_renegotiation_support(ssl) \
651 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
652
653# define SSL_CTX_set_cert_flags(ctx,op) \
654 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
655# define SSL_set_cert_flags(s,op) \
656 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
657# define SSL_CTX_clear_cert_flags(ctx,op) \
658 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
659# define SSL_clear_cert_flags(s,op) \
660 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
661
662void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
663 void (*cb) (int write_p, int version,
664 int content_type, const void *buf,
665 size_t len, SSL *ssl, void *arg));
666void SSL_set_msg_callback(SSL *ssl,
667 void (*cb) (int write_p, int version,
668 int content_type, const void *buf,
669 size_t len, SSL *ssl, void *arg));
670# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
671# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
672
673# define SSL_get_extms_support(s) \
674 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
675
676# ifndef OPENSSL_NO_SRP
677/* see tls_srp.c */
678# ifndef OPENSSL_NO_DEPRECATED_3_0
679OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
680OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
681OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
682OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
683OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
684 int *ad);
685OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
686# endif
687# endif
688
689/* 100k max cert list */
690# define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
691
692# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
693
694/*
695 * This callback type is used inside SSL_CTX, SSL, and in the functions that
696 * set them. It is used to override the generation of SSL/TLS session IDs in
697 * a server. Return value should be zero on an error, non-zero to proceed.
698 * Also, callbacks should themselves check if the id they generate is unique
699 * otherwise the SSL handshake will fail with an error - callbacks can do
700 * this using the 'ssl' value they're passed by;
701 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
702 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
703 * bytes. The callback can alter this length to be less if desired. It is
704 * also an error for the callback to set the size to zero.
705 */
706typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
707 unsigned int *id_len);
708
709# define SSL_SESS_CACHE_OFF 0x0000
710# define SSL_SESS_CACHE_CLIENT 0x0001
711# define SSL_SESS_CACHE_SERVER 0x0002
712# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
713# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
714/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
715# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
716# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
717# define SSL_SESS_CACHE_NO_INTERNAL \
718 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
719# define SSL_SESS_CACHE_UPDATE_TIME 0x0400
720
721LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
722# define SSL_CTX_sess_number(ctx) \
723 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
724# define SSL_CTX_sess_connect(ctx) \
725 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
726# define SSL_CTX_sess_connect_good(ctx) \
727 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
728# define SSL_CTX_sess_connect_renegotiate(ctx) \
729 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
730# define SSL_CTX_sess_accept(ctx) \
731 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
732# define SSL_CTX_sess_accept_renegotiate(ctx) \
733 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
734# define SSL_CTX_sess_accept_good(ctx) \
735 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
736# define SSL_CTX_sess_hits(ctx) \
737 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
738# define SSL_CTX_sess_cb_hits(ctx) \
739 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
740# define SSL_CTX_sess_misses(ctx) \
741 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
742# define SSL_CTX_sess_timeouts(ctx) \
743 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
744# define SSL_CTX_sess_cache_full(ctx) \
745 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
746
747void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
748 int (*new_session_cb) (struct ssl_st *ssl,
749 SSL_SESSION *sess));
750int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
751 SSL_SESSION *sess);
752void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
753 void (*remove_session_cb) (struct ssl_ctx_st
754 *ctx,
755 SSL_SESSION *sess));
756void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
757 SSL_SESSION *sess);
758void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
759 SSL_SESSION *(*get_session_cb) (struct ssl_st
760 *ssl,
761 const unsigned char
762 *data, int len,
763 int *copy));
764SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
765 const unsigned char *data,
766 int len, int *copy);
767void SSL_CTX_set_info_callback(SSL_CTX *ctx,
768 void (*cb) (const SSL *ssl, int type, int val));
769void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
770 int val);
771void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
772 int (*client_cert_cb) (SSL *ssl, X509 **x509,
773 EVP_PKEY **pkey));
774int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
775 EVP_PKEY **pkey);
776# ifndef OPENSSL_NO_ENGINE
777__owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
778# endif
779void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
780 int (*app_gen_cookie_cb) (SSL *ssl,
781 unsigned char
782 *cookie,
783 unsigned int
784 *cookie_len));
785void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
786 int (*app_verify_cookie_cb) (SSL *ssl,
787 const unsigned
788 char *cookie,
789 unsigned int
790 cookie_len));
791
792void SSL_CTX_set_stateless_cookie_generate_cb(
793 SSL_CTX *ctx,
794 int (*gen_stateless_cookie_cb) (SSL *ssl,
795 unsigned char *cookie,
796 size_t *cookie_len));
797void SSL_CTX_set_stateless_cookie_verify_cb(
798 SSL_CTX *ctx,
799 int (*verify_stateless_cookie_cb) (SSL *ssl,
800 const unsigned char *cookie,
801 size_t cookie_len));
802# ifndef OPENSSL_NO_NEXTPROTONEG
803
804typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
805 const unsigned char **out,
806 unsigned int *outlen,
807 void *arg);
808void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
809 SSL_CTX_npn_advertised_cb_func cb,
810 void *arg);
811# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
812
813typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
814 unsigned char **out,
815 unsigned char *outlen,
816 const unsigned char *in,
817 unsigned int inlen,
818 void *arg);
819void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
820 SSL_CTX_npn_select_cb_func cb,
821 void *arg);
822# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
823
824void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
825 unsigned *len);
826# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
827# endif
828
829__owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
830 const unsigned char *server, unsigned int server_len,
831 const unsigned char *client,
832 unsigned int client_len);
833
834# define OPENSSL_NPN_UNSUPPORTED 0
835# define OPENSSL_NPN_NEGOTIATED 1
836# define OPENSSL_NPN_NO_OVERLAP 2
837
838__owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
839 unsigned int protos_len);
840__owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
841 unsigned int protos_len);
842typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
843 const unsigned char **out,
844 unsigned char *outlen,
845 const unsigned char *in,
846 unsigned int inlen,
847 void *arg);
848void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
849 SSL_CTX_alpn_select_cb_func cb,
850 void *arg);
851void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
852 unsigned int *len);
853
854# ifndef OPENSSL_NO_PSK
855/*
856 * the maximum length of the buffer given to callbacks containing the
857 * resulting identity/psk
858 */
859# define PSK_MAX_IDENTITY_LEN 256
860# define PSK_MAX_PSK_LEN 512
861typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
862 const char *hint,
863 char *identity,
864 unsigned int max_identity_len,
865 unsigned char *psk,
866 unsigned int max_psk_len);
867void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
868void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
869
870typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
871 const char *identity,
872 unsigned char *psk,
873 unsigned int max_psk_len);
874void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
875void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
876
877__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
878__owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
879const char *SSL_get_psk_identity_hint(const SSL *s);
880const char *SSL_get_psk_identity(const SSL *s);
881# endif
882
883typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
884 const unsigned char *identity,
885 size_t identity_len,
886 SSL_SESSION **sess);
887typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
888 const unsigned char **id,
889 size_t *idlen,
890 SSL_SESSION **sess);
891
892void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
893void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
894 SSL_psk_find_session_cb_func cb);
895void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
896void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
897 SSL_psk_use_session_cb_func cb);
898
899/* Register callbacks to handle custom TLS Extensions for client or server. */
900
901__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
902 unsigned int ext_type);
903
904__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
905 unsigned int ext_type,
906 custom_ext_add_cb add_cb,
907 custom_ext_free_cb free_cb,
908 void *add_arg,
909 custom_ext_parse_cb parse_cb,
910 void *parse_arg);
911
912__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
913 unsigned int ext_type,
914 custom_ext_add_cb add_cb,
915 custom_ext_free_cb free_cb,
916 void *add_arg,
917 custom_ext_parse_cb parse_cb,
918 void *parse_arg);
919
920__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
921 unsigned int context,
922 SSL_custom_ext_add_cb_ex add_cb,
923 SSL_custom_ext_free_cb_ex free_cb,
924 void *add_arg,
925 SSL_custom_ext_parse_cb_ex parse_cb,
926 void *parse_arg);
927
928__owur int SSL_extension_supported(unsigned int ext_type);
929
930# define SSL_NOTHING 1
931# define SSL_WRITING 2
932# define SSL_READING 3
933# define SSL_X509_LOOKUP 4
934# define SSL_ASYNC_PAUSED 5
935# define SSL_ASYNC_NO_JOBS 6
936# define SSL_CLIENT_HELLO_CB 7
937# define SSL_RETRY_VERIFY 8
938
939/* These will only be used when doing non-blocking IO */
940# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
941# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
942# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
943# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
944# define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
945# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
946# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
947# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
948
949# define SSL_MAC_FLAG_READ_MAC_STREAM 1
950# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
951# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
952# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
953
954/*
955 * A callback for logging out TLS key material. This callback should log out
956 * |line| followed by a newline.
957 */
958typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
959
960/*
961 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
962 * is intended for debugging use with tools like Wireshark. The cb function
963 * should log line followed by a newline.
964 */
965void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
966
967/*
968 * SSL_CTX_get_keylog_callback returns the callback configured by
969 * SSL_CTX_set_keylog_callback.
970 */
971SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
972
973int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
974uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
975int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
976uint32_t SSL_get_max_early_data(const SSL *s);
977int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
978uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
979int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
980uint32_t SSL_get_recv_max_early_data(const SSL *s);
981
982#ifdef __cplusplus
983}
984#endif
985
986# include <openssl/ssl2.h>
987# include <openssl/ssl3.h>
988# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
989# include <openssl/dtls1.h> /* Datagram TLS */
990# include <openssl/srtp.h> /* Support for the use_srtp extension */
991# include <openssl/quic.h>
992
993#ifdef __cplusplus
994extern "C" {
995#endif
996
997/*
998 * These need to be after the above set of includes due to a compiler bug
999 * in VisualStudio 2015
1000 */
1001SKM_DEFINE_STACK_OF_INTERNAL(SSL_CIPHER, const SSL_CIPHER, SSL_CIPHER)
1002#define sk_SSL_CIPHER_num(sk) OPENSSL_sk_num(ossl_check_const_SSL_CIPHER_sk_type(sk))
1003#define sk_SSL_CIPHER_value(sk, idx) ((const SSL_CIPHER *)OPENSSL_sk_value(ossl_check_const_SSL_CIPHER_sk_type(sk), (idx)))
1004#define sk_SSL_CIPHER_new(cmp) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new(ossl_check_SSL_CIPHER_compfunc_type(cmp)))
1005#define sk_SSL_CIPHER_new_null() ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new_null())
1006#define sk_SSL_CIPHER_new_reserve(cmp, n) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new_reserve(ossl_check_SSL_CIPHER_compfunc_type(cmp), (n)))
1007#define sk_SSL_CIPHER_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SSL_CIPHER_sk_type(sk), (n))
1008#define sk_SSL_CIPHER_free(sk) OPENSSL_sk_free(ossl_check_SSL_CIPHER_sk_type(sk))
1009#define sk_SSL_CIPHER_zero(sk) OPENSSL_sk_zero(ossl_check_SSL_CIPHER_sk_type(sk))
1010#define sk_SSL_CIPHER_delete(sk, i) ((const SSL_CIPHER *)OPENSSL_sk_delete(ossl_check_SSL_CIPHER_sk_type(sk), (i)))
1011#define sk_SSL_CIPHER_delete_ptr(sk, ptr) ((const SSL_CIPHER *)OPENSSL_sk_delete_ptr(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr)))
1012#define sk_SSL_CIPHER_push(sk, ptr) OPENSSL_sk_push(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
1013#define sk_SSL_CIPHER_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
1014#define sk_SSL_CIPHER_pop(sk) ((const SSL_CIPHER *)OPENSSL_sk_pop(ossl_check_SSL_CIPHER_sk_type(sk)))
1015#define sk_SSL_CIPHER_shift(sk) ((const SSL_CIPHER *)OPENSSL_sk_shift(ossl_check_SSL_CIPHER_sk_type(sk)))
1016#define sk_SSL_CIPHER_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_freefunc_type(freefunc))
1017#define sk_SSL_CIPHER_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr), (idx))
1018#define sk_SSL_CIPHER_set(sk, idx, ptr) ((const SSL_CIPHER *)OPENSSL_sk_set(ossl_check_SSL_CIPHER_sk_type(sk), (idx), ossl_check_SSL_CIPHER_type(ptr)))
1019#define sk_SSL_CIPHER_find(sk, ptr) OPENSSL_sk_find(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
1020#define sk_SSL_CIPHER_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
1021#define sk_SSL_CIPHER_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr), pnum)
1022#define sk_SSL_CIPHER_sort(sk) OPENSSL_sk_sort(ossl_check_SSL_CIPHER_sk_type(sk))
1023#define sk_SSL_CIPHER_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SSL_CIPHER_sk_type(sk))
1024#define sk_SSL_CIPHER_dup(sk) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_dup(ossl_check_const_SSL_CIPHER_sk_type(sk)))
1025#define sk_SSL_CIPHER_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_deep_copy(ossl_check_const_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_copyfunc_type(copyfunc), ossl_check_SSL_CIPHER_freefunc_type(freefunc)))
1026#define sk_SSL_CIPHER_set_cmp_func(sk, cmp) ((sk_SSL_CIPHER_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_compfunc_type(cmp)))
1027
1028
1029/* compatibility */
1030# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
1031# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
1032# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
1033 (char *)(a)))
1034# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
1035# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
1036# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
1037 (char *)(arg)))
1038# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1039OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
1040# endif
1041
1042/* TLSv1.3 KeyUpdate message types */
1043/* -1 used so that this is an invalid value for the on-the-wire protocol */
1044#define SSL_KEY_UPDATE_NONE -1
1045/* Values as defined for the on-the-wire protocol */
1046#define SSL_KEY_UPDATE_NOT_REQUESTED 0
1047#define SSL_KEY_UPDATE_REQUESTED 1
1048
1049/*
1050 * The valid handshake states (one for each type message sent and one for each
1051 * type of message received). There are also two "special" states:
1052 * TLS = TLS or DTLS state
1053 * DTLS = DTLS specific state
1054 * CR/SR = Client Read/Server Read
1055 * CW/SW = Client Write/Server Write
1056 *
1057 * The "special" states are:
1058 * TLS_ST_BEFORE = No handshake has been initiated yet
1059 * TLS_ST_OK = A handshake has been successfully completed
1060 */
1061typedef enum {
1062 TLS_ST_BEFORE,
1063 TLS_ST_OK,
1064 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1065 TLS_ST_CR_SRVR_HELLO,
1066 TLS_ST_CR_CERT,
1067 TLS_ST_CR_COMP_CERT,
1068 TLS_ST_CR_CERT_STATUS,
1069 TLS_ST_CR_KEY_EXCH,
1070 TLS_ST_CR_CERT_REQ,
1071 TLS_ST_CR_SRVR_DONE,
1072 TLS_ST_CR_SESSION_TICKET,
1073 TLS_ST_CR_CHANGE,
1074 TLS_ST_CR_FINISHED,
1075 TLS_ST_CW_CLNT_HELLO,
1076 TLS_ST_CW_CERT,
1077 TLS_ST_CW_COMP_CERT,
1078 TLS_ST_CW_KEY_EXCH,
1079 TLS_ST_CW_CERT_VRFY,
1080 TLS_ST_CW_CHANGE,
1081 TLS_ST_CW_NEXT_PROTO,
1082 TLS_ST_CW_FINISHED,
1083 TLS_ST_SW_HELLO_REQ,
1084 TLS_ST_SR_CLNT_HELLO,
1085 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1086 TLS_ST_SW_SRVR_HELLO,
1087 TLS_ST_SW_CERT,
1088 TLS_ST_SW_COMP_CERT,
1089 TLS_ST_SW_KEY_EXCH,
1090 TLS_ST_SW_CERT_REQ,
1091 TLS_ST_SW_SRVR_DONE,
1092 TLS_ST_SR_CERT,
1093 TLS_ST_SR_COMP_CERT,
1094 TLS_ST_SR_KEY_EXCH,
1095 TLS_ST_SR_CERT_VRFY,
1096 TLS_ST_SR_NEXT_PROTO,
1097 TLS_ST_SR_CHANGE,
1098 TLS_ST_SR_FINISHED,
1099 TLS_ST_SW_SESSION_TICKET,
1100 TLS_ST_SW_CERT_STATUS,
1101 TLS_ST_SW_CHANGE,
1102 TLS_ST_SW_FINISHED,
1103 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1104 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1105 TLS_ST_CR_CERT_VRFY,
1106 TLS_ST_SW_CERT_VRFY,
1107 TLS_ST_CR_HELLO_REQ,
1108 TLS_ST_SW_KEY_UPDATE,
1109 TLS_ST_CW_KEY_UPDATE,
1110 TLS_ST_SR_KEY_UPDATE,
1111 TLS_ST_CR_KEY_UPDATE,
1112 TLS_ST_EARLY_DATA,
1113 TLS_ST_PENDING_EARLY_DATA_END,
1114 TLS_ST_CW_END_OF_EARLY_DATA,
1115 TLS_ST_SR_END_OF_EARLY_DATA
1116} OSSL_HANDSHAKE_STATE;
1117
1118/*
1119 * Most of the following state values are no longer used and are defined to be
1120 * the closest equivalent value in the current state machine code. Not all
1121 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1122 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1123 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1124 */
1125
1126# define SSL_ST_CONNECT 0x1000
1127# define SSL_ST_ACCEPT 0x2000
1128
1129# define SSL_ST_MASK 0x0FFF
1130
1131# define SSL_CB_LOOP 0x01
1132# define SSL_CB_EXIT 0x02
1133# define SSL_CB_READ 0x04
1134# define SSL_CB_WRITE 0x08
1135# define SSL_CB_ALERT 0x4000/* used in callback */
1136# define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1137# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1138# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1139# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1140# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1141# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1142# define SSL_CB_HANDSHAKE_START 0x10
1143# define SSL_CB_HANDSHAKE_DONE 0x20
1144
1145/* Is the SSL_connection established? */
1146# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1147# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1148int SSL_in_init(const SSL *s);
1149int SSL_in_before(const SSL *s);
1150int SSL_is_init_finished(const SSL *s);
1151
1152/*
1153 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1154 * should not need these
1155 */
1156# define SSL_ST_READ_HEADER 0xF0
1157# define SSL_ST_READ_BODY 0xF1
1158# define SSL_ST_READ_DONE 0xF2
1159
1160/*-
1161 * Obtain latest Finished message
1162 * -- that we sent (SSL_get_finished)
1163 * -- that we expected from peer (SSL_get_peer_finished).
1164 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1165 */
1166size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1167size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1168
1169/*
1170 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1171 * 'ored' with SSL_VERIFY_PEER if they are desired
1172 */
1173# define SSL_VERIFY_NONE 0x00
1174# define SSL_VERIFY_PEER 0x01
1175# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1176# define SSL_VERIFY_CLIENT_ONCE 0x04
1177# define SSL_VERIFY_POST_HANDSHAKE 0x08
1178
1179# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1180# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1181# define SSLeay_add_ssl_algorithms() SSL_library_init()
1182# endif
1183
1184/* More backward compatibility */
1185# define SSL_get_cipher(s) \
1186 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1187# define SSL_get_cipher_bits(s,np) \
1188 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1189# define SSL_get_cipher_version(s) \
1190 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1191# define SSL_get_cipher_name(s) \
1192 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1193# define SSL_get_time(a) SSL_SESSION_get_time(a)
1194# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1195# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1196# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1197
1198# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1199# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1200
1201DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1202# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1203 * from SSL_AD_... */
1204/* These alert types are for SSLv3 and TLSv1 */
1205# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1206/* fatal */
1207# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1208/* fatal */
1209# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1210# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1211# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1212/* fatal */
1213# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1214/* fatal */
1215# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1216/* Not for TLS */
1217# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1218# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1219# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1220# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1221# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1222# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1223/* fatal */
1224# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1225/* fatal */
1226# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1227/* fatal */
1228# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1229/* fatal */
1230# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1231# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1232/* fatal */
1233# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1234/* fatal */
1235# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1236/* fatal */
1237# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1238/* fatal */
1239# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1240# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1241# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1242# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1243# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1244# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1245# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1246# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1247# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1248# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1249/* fatal */
1250# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1251/* fatal */
1252# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1253# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1254# define SSL_ERROR_NONE 0
1255# define SSL_ERROR_SSL 1
1256# define SSL_ERROR_WANT_READ 2
1257# define SSL_ERROR_WANT_WRITE 3
1258# define SSL_ERROR_WANT_X509_LOOKUP 4
1259# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1260 * value/errno */
1261# define SSL_ERROR_ZERO_RETURN 6
1262# define SSL_ERROR_WANT_CONNECT 7
1263# define SSL_ERROR_WANT_ACCEPT 8
1264# define SSL_ERROR_WANT_ASYNC 9
1265# define SSL_ERROR_WANT_ASYNC_JOB 10
1266# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1267# define SSL_ERROR_WANT_RETRY_VERIFY 12
1268
1269# ifndef OPENSSL_NO_DEPRECATED_3_0
1270# define SSL_CTRL_SET_TMP_DH 3
1271# define SSL_CTRL_SET_TMP_ECDH 4
1272# define SSL_CTRL_SET_TMP_DH_CB 6
1273# endif
1274
1275# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1276# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1277# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1278# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1279# define SSL_CTRL_GET_FLAGS 13
1280# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1281# define SSL_CTRL_SET_MSG_CALLBACK 15
1282# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1283/* only applies to datagram connections */
1284# define SSL_CTRL_SET_MTU 17
1285/* Stats */
1286# define SSL_CTRL_SESS_NUMBER 20
1287# define SSL_CTRL_SESS_CONNECT 21
1288# define SSL_CTRL_SESS_CONNECT_GOOD 22
1289# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1290# define SSL_CTRL_SESS_ACCEPT 24
1291# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1292# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1293# define SSL_CTRL_SESS_HIT 27
1294# define SSL_CTRL_SESS_CB_HIT 28
1295# define SSL_CTRL_SESS_MISSES 29
1296# define SSL_CTRL_SESS_TIMEOUTS 30
1297# define SSL_CTRL_SESS_CACHE_FULL 31
1298# define SSL_CTRL_MODE 33
1299# define SSL_CTRL_GET_READ_AHEAD 40
1300# define SSL_CTRL_SET_READ_AHEAD 41
1301# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1302# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1303# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1304# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1305# define SSL_CTRL_GET_MAX_CERT_LIST 50
1306# define SSL_CTRL_SET_MAX_CERT_LIST 51
1307# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1308/* see tls1.h for macros based on these */
1309# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1310# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1311# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1312# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1313# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1314# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1315# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1316/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1317/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1318/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1319# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1320# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1321# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1322# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1323# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1324# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1325# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1326# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1327# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1328# ifndef OPENSSL_NO_DEPRECATED_3_0
1329# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1330# endif
1331# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1332# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1333# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1334# define SSL_CTRL_SET_SRP_ARG 78
1335# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1336# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1337# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1338# define DTLS_CTRL_GET_TIMEOUT 73
1339# define DTLS_CTRL_HANDLE_TIMEOUT 74
1340# define SSL_CTRL_GET_RI_SUPPORT 76
1341# define SSL_CTRL_CLEAR_MODE 78
1342# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1343# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1344# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1345# define SSL_CTRL_CHAIN 88
1346# define SSL_CTRL_CHAIN_CERT 89
1347# define SSL_CTRL_GET_GROUPS 90
1348# define SSL_CTRL_SET_GROUPS 91
1349# define SSL_CTRL_SET_GROUPS_LIST 92
1350# define SSL_CTRL_GET_SHARED_GROUP 93
1351# define SSL_CTRL_SET_SIGALGS 97
1352# define SSL_CTRL_SET_SIGALGS_LIST 98
1353# define SSL_CTRL_CERT_FLAGS 99
1354# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1355# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1356# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1357# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1358# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1359# define SSL_CTRL_BUILD_CERT_CHAIN 105
1360# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1361# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1362# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1363# define SSL_CTRL_GET_PEER_TMP_KEY 109
1364# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1365# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1366# define SSL_CTRL_GET_CHAIN_CERTS 115
1367# define SSL_CTRL_SELECT_CURRENT_CERT 116
1368# define SSL_CTRL_SET_CURRENT_CERT 117
1369# define SSL_CTRL_SET_DH_AUTO 118
1370# define DTLS_CTRL_SET_LINK_MTU 120
1371# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1372# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1373# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1374# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1375# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1376# define SSL_CTRL_SET_MAX_PIPELINES 126
1377# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1378# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1379# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1380# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1381# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1382# define SSL_CTRL_GET_SIGNATURE_NID 132
1383# define SSL_CTRL_GET_TMP_KEY 133
1384# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1385# define SSL_CTRL_GET_IANA_GROUPS 135
1386# define SSL_CTRL_SET_RETRY_VERIFY 136
1387# define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1388# define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1389# define SSL_CTRL_GET0_IMPLEMENTED_GROUPS 139
1390# define SSL_CTRL_GET_SIGNATURE_NAME 140
1391# define SSL_CTRL_GET_PEER_SIGNATURE_NAME 141
1392# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP_EX 142
1393# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP_EX 143
1394# define SSL_CERT_SET_FIRST 1
1395# define SSL_CERT_SET_NEXT 2
1396# define SSL_CERT_SET_SERVER 3
1397# define DTLSv1_get_timeout(ssl, arg) \
1398 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1399# define DTLSv1_handle_timeout(ssl) \
1400 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1401# define SSL_num_renegotiations(ssl) \
1402 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1403# define SSL_clear_num_renegotiations(ssl) \
1404 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1405# define SSL_total_renegotiations(ssl) \
1406 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1407# ifndef OPENSSL_NO_DEPRECATED_3_0
1408# define SSL_CTX_set_tmp_dh(ctx,dh) \
1409 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1410# endif
1411# define SSL_CTX_set_dh_auto(ctx, onoff) \
1412 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1413# define SSL_set_dh_auto(s, onoff) \
1414 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1415# ifndef OPENSSL_NO_DEPRECATED_3_0
1416# define SSL_set_tmp_dh(ssl,dh) \
1417 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1418# endif
1419# ifndef OPENSSL_NO_DEPRECATED_3_0
1420# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1421 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1422# define SSL_set_tmp_ecdh(ssl,ecdh) \
1423 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1424# endif
1425# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1426 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1427# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1428 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1429# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1430 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1431# define SSL_CTX_clear_extra_chain_certs(ctx) \
1432 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1433# define SSL_CTX_set0_chain(ctx,sk) \
1434 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1435# define SSL_CTX_set1_chain(ctx,sk) \
1436 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1437# define SSL_CTX_add0_chain_cert(ctx,x509) \
1438 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1439# define SSL_CTX_add1_chain_cert(ctx,x509) \
1440 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1441# define SSL_CTX_get0_chain_certs(ctx,px509) \
1442 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1443# define SSL_CTX_clear_chain_certs(ctx) \
1444 SSL_CTX_set0_chain(ctx,NULL)
1445# define SSL_CTX_build_cert_chain(ctx, flags) \
1446 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1447# define SSL_CTX_select_current_cert(ctx,x509) \
1448 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1449# define SSL_CTX_set_current_cert(ctx, op) \
1450 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1451# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1452 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1453# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1454 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1455# define SSL_CTX_get0_verify_cert_store(ctx,st) \
1456 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1457# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1458 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1459# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1460 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1461# define SSL_CTX_get0_chain_cert_store(ctx,st) \
1462 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1463# define SSL_set0_chain(s,sk) \
1464 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1465# define SSL_set1_chain(s,sk) \
1466 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1467# define SSL_add0_chain_cert(s,x509) \
1468 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1469# define SSL_add1_chain_cert(s,x509) \
1470 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1471# define SSL_get0_chain_certs(s,px509) \
1472 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1473# define SSL_clear_chain_certs(s) \
1474 SSL_set0_chain(s,NULL)
1475# define SSL_build_cert_chain(s, flags) \
1476 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1477# define SSL_select_current_cert(s,x509) \
1478 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1479# define SSL_set_current_cert(s,op) \
1480 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1481# define SSL_set0_verify_cert_store(s,st) \
1482 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1483# define SSL_set1_verify_cert_store(s,st) \
1484 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1485#define SSL_get0_verify_cert_store(s,st) \
1486 SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1487# define SSL_set0_chain_cert_store(s,st) \
1488 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1489# define SSL_set1_chain_cert_store(s,st) \
1490 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1491#define SSL_get0_chain_cert_store(s,st) \
1492 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1493
1494# define SSL_get1_groups(s, glist) \
1495 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1496# define SSL_get0_iana_groups(s, plst) \
1497 SSL_ctrl(s,SSL_CTRL_GET_IANA_GROUPS,0,(uint16_t **)(plst))
1498# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1499 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1500# define SSL_CTX_set1_groups_list(ctx, s) \
1501 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1502# define SSL_CTX_get0_implemented_groups(ctx, all, out) \
1503 SSL_CTX_ctrl(ctx,SSL_CTRL_GET0_IMPLEMENTED_GROUPS, all, \
1504 (STACK_OF(OPENSSL_CSTRING) *)(out))
1505# define SSL_set1_groups(s, glist, glistlen) \
1506 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1507# define SSL_set1_groups_list(s, str) \
1508 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1509# define SSL_get_shared_group(s, n) \
1510 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1511# define SSL_get_negotiated_group(s) \
1512 SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1513# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1514 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1515# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1516 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1517# define SSL_set1_sigalgs(s, slist, slistlen) \
1518 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1519# define SSL_set1_sigalgs_list(s, str) \
1520 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1521# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1522 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1523# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1524 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1525# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1526 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1527# define SSL_set1_client_sigalgs_list(s, str) \
1528 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1529# define SSL_get0_certificate_types(s, clist) \
1530 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1531# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1532 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1533 (char *)(clist))
1534# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1535 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1536# define SSL_get0_signature_name(s, str) \
1537 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NAME,0,(1?(str):(const char **)NULL))
1538# define SSL_get_signature_nid(s, pn) \
1539 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1540# define SSL_get0_peer_signature_name(s, str) \
1541 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NAME,0,(1?(str):(const char **)NULL))
1542# define SSL_get_peer_signature_nid(s, pn) \
1543 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1544# define SSL_get_peer_tmp_key(s, pk) \
1545 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1546# define SSL_get_tmp_key(s, pk) \
1547 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1548# define SSL_get0_raw_cipherlist(s, plst) \
1549 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1550# define SSL_get0_ec_point_formats(s, plst) \
1551 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1552# define SSL_CTX_set_min_proto_version(ctx, version) \
1553 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1554# define SSL_CTX_set_max_proto_version(ctx, version) \
1555 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1556# define SSL_CTX_get_min_proto_version(ctx) \
1557 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1558# define SSL_CTX_get_max_proto_version(ctx) \
1559 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1560# define SSL_set_min_proto_version(s, version) \
1561 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1562# define SSL_set_max_proto_version(s, version) \
1563 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1564# define SSL_get_min_proto_version(s) \
1565 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1566# define SSL_get_max_proto_version(s) \
1567 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1568
1569const char *SSL_get0_group_name(SSL *s);
1570const char *SSL_group_to_name(SSL *s, int id);
1571
1572/* Backwards compatibility, original 1.1.0 names */
1573# define SSL_CTRL_GET_SERVER_TMP_KEY \
1574 SSL_CTRL_GET_PEER_TMP_KEY
1575# define SSL_get_server_tmp_key(s, pk) \
1576 SSL_get_peer_tmp_key(s, pk)
1577
1578int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey);
1579int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey);
1580
1581/*
1582 * The following symbol names are old and obsolete. They are kept
1583 * for compatibility reasons only and should not be used anymore.
1584 */
1585# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1586# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1587# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1588# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1589
1590# define SSL_get1_curves SSL_get1_groups
1591# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1592# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1593# define SSL_set1_curves SSL_set1_groups
1594# define SSL_set1_curves_list SSL_set1_groups_list
1595# define SSL_get_shared_curve SSL_get_shared_group
1596
1597
1598# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1599/* Provide some compatibility macros for removed functionality. */
1600# define SSL_CTX_need_tmp_RSA(ctx) 0
1601# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1602# define SSL_need_tmp_RSA(ssl) 0
1603# define SSL_set_tmp_rsa(ssl,rsa) 1
1604# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1605# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1606/*
1607 * We "pretend" to call the callback to avoid warnings about unused static
1608 * functions.
1609 */
1610# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1611# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1612# endif
1613__owur const BIO_METHOD *BIO_f_ssl(void);
1614__owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1615__owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1616__owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1617__owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1618void BIO_ssl_shutdown(BIO *ssl_bio);
1619
1620__owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1621__owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1622__owur SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq,
1623 const SSL_METHOD *meth);
1624int SSL_CTX_up_ref(SSL_CTX *ctx);
1625void SSL_CTX_free(SSL_CTX *);
1626__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1627__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1628__owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1629void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1630void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1631__owur int SSL_want(const SSL *s);
1632__owur int SSL_clear(SSL *s);
1633
1634#ifndef OPENSSL_NO_DEPRECATED_3_4
1635OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_CTX_flush_sessions_ex()")
1636void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1637#endif
1638void SSL_CTX_flush_sessions_ex(SSL_CTX *ctx, time_t tm);
1639
1640__owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1641__owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1642__owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1643__owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1644__owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1645__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1646__owur const char *OPENSSL_cipher_name(const char *rfc_name);
1647__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1648__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1649__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1650__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1651__owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1652__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1653
1654__owur int SSL_get_fd(const SSL *s);
1655__owur int SSL_get_rfd(const SSL *s);
1656__owur int SSL_get_wfd(const SSL *s);
1657__owur const char *SSL_get_cipher_list(const SSL *s, int n);
1658__owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1659__owur int SSL_get_read_ahead(const SSL *s);
1660__owur int SSL_pending(const SSL *s);
1661__owur int SSL_has_pending(const SSL *s);
1662# ifndef OPENSSL_NO_SOCK
1663__owur int SSL_set_fd(SSL *s, int fd);
1664__owur int SSL_set_rfd(SSL *s, int fd);
1665__owur int SSL_set_wfd(SSL *s, int fd);
1666# endif
1667void SSL_set0_rbio(SSL *s, BIO *rbio);
1668void SSL_set0_wbio(SSL *s, BIO *wbio);
1669void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1670__owur BIO *SSL_get_rbio(const SSL *s);
1671__owur BIO *SSL_get_wbio(const SSL *s);
1672__owur int SSL_set_cipher_list(SSL *s, const char *str);
1673__owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1674__owur int SSL_set_ciphersuites(SSL *s, const char *str);
1675void SSL_set_read_ahead(SSL *s, int yes);
1676__owur int SSL_get_verify_mode(const SSL *s);
1677__owur int SSL_get_verify_depth(const SSL *s);
1678__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1679void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1680void SSL_set_verify_depth(SSL *s, int depth);
1681void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1682# ifndef OPENSSL_NO_DEPRECATED_3_0
1683OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1684OSSL_DEPRECATEDIN_3_0
1685__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1686 const unsigned char *d, long len);
1687# endif
1688__owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1689__owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1690 long len);
1691__owur int SSL_use_certificate(SSL *ssl, X509 *x);
1692__owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1693__owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1694 STACK_OF(X509) *chain, int override);
1695
1696
1697/* serverinfo file format versions */
1698# define SSL_SERVERINFOV1 1
1699# define SSL_SERVERINFOV2 2
1700
1701/* Set serverinfo data for the current active cert. */
1702__owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1703 size_t serverinfo_length);
1704__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1705 const unsigned char *serverinfo,
1706 size_t serverinfo_length);
1707__owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1708
1709#ifndef OPENSSL_NO_DEPRECATED_3_0
1710OSSL_DEPRECATEDIN_3_0
1711__owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1712#endif
1713
1714__owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1715__owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1716
1717#ifndef OPENSSL_NO_DEPRECATED_3_0
1718OSSL_DEPRECATEDIN_3_0
1719__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1720 int type);
1721#endif
1722__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1723 int type);
1724__owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1725 int type);
1726/* PEM type */
1727__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1728__owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1729__owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1730__owur STACK_OF(X509_NAME)
1731*SSL_load_client_CA_file_ex(const char *file, OSSL_LIB_CTX *libctx,
1732 const char *propq);
1733__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1734 const char *file);
1735int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1736 const char *dir);
1737int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1738 const char *uri);
1739
1740# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1741# define SSL_load_error_strings() \
1742 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1743 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1744# endif
1745
1746__owur const char *SSL_state_string(const SSL *s);
1747__owur const char *SSL_rstate_string(const SSL *s);
1748__owur const char *SSL_state_string_long(const SSL *s);
1749__owur const char *SSL_rstate_string_long(const SSL *s);
1750
1751#ifndef OPENSSL_NO_DEPRECATED_3_4
1752OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_SESSION_get_time_ex()")
1753__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1754OSSL_DEPRECATEDIN_3_4_FOR("not Y2038-safe, replace with SSL_SESSION_set_time_ex()")
1755__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1756#endif
1757__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1758__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1759__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1760__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1761
1762__owur time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s);
1763__owur time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t t);
1764
1765__owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1766__owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1767void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1768 const unsigned char **alpn,
1769 size_t *len);
1770__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1771 const unsigned char *alpn,
1772 size_t len);
1773__owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1774__owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1775__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1776__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1777void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1778 size_t *len);
1779__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1780__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1781 uint32_t max_early_data);
1782__owur int SSL_copy_session_id(SSL *to, const SSL *from);
1783__owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1784__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1785 const unsigned char *sid_ctx,
1786 unsigned int sid_ctx_len);
1787__owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1788 unsigned int sid_len);
1789__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1790
1791__owur SSL_SESSION *SSL_SESSION_new(void);
1792__owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1793const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1794 unsigned int *len);
1795const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1796 unsigned int *len);
1797__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1798# ifndef OPENSSL_NO_STDIO
1799int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1800# endif
1801int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1802int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1803int SSL_SESSION_up_ref(SSL_SESSION *ses);
1804void SSL_SESSION_free(SSL_SESSION *ses);
1805__owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1806__owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1807int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1808int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1809__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1810__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1811__owur int SSL_has_matching_session_id(const SSL *s,
1812 const unsigned char *id,
1813 unsigned int id_len);
1814SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1815 long length);
1816SSL_SESSION *d2i_SSL_SESSION_ex(SSL_SESSION **a, const unsigned char **pp,
1817 long length, OSSL_LIB_CTX *libctx,
1818 const char *propq);
1819
1820# ifdef OPENSSL_X509_H
1821__owur X509 *SSL_get0_peer_certificate(const SSL *s);
1822__owur X509 *SSL_get1_peer_certificate(const SSL *s);
1823/* Deprecated in 3.0.0 */
1824# ifndef OPENSSL_NO_DEPRECATED_3_0
1825# define SSL_get_peer_certificate SSL_get1_peer_certificate
1826# endif
1827# endif
1828
1829__owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1830
1831__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1832__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1833__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1834void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1835void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1836void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1837 int (*cb) (X509_STORE_CTX *, void *),
1838 void *arg);
1839void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1840 void *arg);
1841# ifndef OPENSSL_NO_DEPRECATED_3_0
1842OSSL_DEPRECATEDIN_3_0
1843__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1844OSSL_DEPRECATEDIN_3_0
1845__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1846 long len);
1847# endif
1848__owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1849__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1850 const unsigned char *d, long len);
1851__owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1852__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1853 const unsigned char *d);
1854__owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1855 STACK_OF(X509) *chain, int override);
1856
1857void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1858void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1859pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1860void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1861void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1862void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1863pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1864void *SSL_get_default_passwd_cb_userdata(SSL *s);
1865
1866__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1867__owur int SSL_check_private_key(const SSL *ctx);
1868
1869__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1870 const unsigned char *sid_ctx,
1871 unsigned int sid_ctx_len);
1872
1873SSL *SSL_new(SSL_CTX *ctx);
1874int SSL_up_ref(SSL *s);
1875int SSL_is_dtls(const SSL *s);
1876int SSL_is_tls(const SSL *s);
1877int SSL_is_quic(const SSL *s);
1878__owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1879 unsigned int sid_ctx_len);
1880
1881__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1882__owur int SSL_set_purpose(SSL *ssl, int purpose);
1883__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1884__owur int SSL_set_trust(SSL *ssl, int trust);
1885
1886__owur int SSL_set1_host(SSL *s, const char *host);
1887__owur int SSL_add1_host(SSL *s, const char *host);
1888__owur const char *SSL_get0_peername(SSL *s);
1889void SSL_set_hostflags(SSL *s, unsigned int flags);
1890
1891__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1892__owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1893 uint8_t mtype, uint8_t ord);
1894__owur int SSL_dane_enable(SSL *s, const char *basedomain);
1895__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1896 uint8_t mtype, const unsigned char *data, size_t dlen);
1897__owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1898__owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1899 uint8_t *mtype, const unsigned char **data,
1900 size_t *dlen);
1901/*
1902 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1903 * offline testing in test/danetest.c
1904 */
1905SSL_DANE *SSL_get0_dane(SSL *ssl);
1906/*
1907 * DANE flags
1908 */
1909unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1910unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1911unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1912unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1913
1914__owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1915__owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1916
1917__owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1918__owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1919
1920# ifndef OPENSSL_NO_SRP
1921# ifndef OPENSSL_NO_DEPRECATED_3_0
1922OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1923OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1924OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1925OSSL_DEPRECATEDIN_3_0
1926int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1927 char *(*cb) (SSL *, void *));
1928OSSL_DEPRECATEDIN_3_0
1929int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1930 int (*cb) (SSL *, void *));
1931OSSL_DEPRECATEDIN_3_0
1932int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1933 int (*cb) (SSL *, int *, void *));
1934OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1935
1936OSSL_DEPRECATEDIN_3_0
1937int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1938 BIGNUM *sa, BIGNUM *v, char *info);
1939OSSL_DEPRECATEDIN_3_0
1940int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1941 const char *grp);
1942
1943OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1944OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1945
1946OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_username(SSL *s);
1947OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_userinfo(SSL *s);
1948# endif
1949# endif
1950
1951/*
1952 * ClientHello callback and helpers.
1953 */
1954
1955# define SSL_CLIENT_HELLO_SUCCESS 1
1956# define SSL_CLIENT_HELLO_ERROR 0
1957# define SSL_CLIENT_HELLO_RETRY (-1)
1958
1959typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1960void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1961 void *arg);
1962typedef int (*SSL_new_pending_conn_cb_fn) (SSL_CTX *ctx, SSL *new_ssl,
1963 void *arg);
1964void SSL_CTX_set_new_pending_conn_cb(SSL_CTX *c, SSL_new_pending_conn_cb_fn cb,
1965 void *arg);
1966
1967int SSL_client_hello_isv2(SSL *s);
1968unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1969size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1970size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1971size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1972size_t SSL_client_hello_get0_compression_methods(SSL *s,
1973 const unsigned char **out);
1974int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1975int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts,
1976 size_t *num_exts);
1977int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1978 const unsigned char **out, size_t *outlen);
1979
1980void SSL_certs_clear(SSL *s);
1981void SSL_free(SSL *ssl);
1982# ifdef OSSL_ASYNC_FD
1983/*
1984 * Windows application developer has to include windows.h to use these.
1985 */
1986__owur int SSL_waiting_for_async(SSL *s);
1987__owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1988__owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1989 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1990 size_t *numdelfds);
1991__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1992__owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1993__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1994__owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1995__owur int SSL_get_async_status(SSL *s, int *status);
1996
1997# endif
1998__owur int SSL_accept(SSL *ssl);
1999__owur int SSL_stateless(SSL *s);
2000__owur int SSL_connect(SSL *ssl);
2001__owur int SSL_read(SSL *ssl, void *buf, int num);
2002__owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
2003
2004# define SSL_READ_EARLY_DATA_ERROR 0
2005# define SSL_READ_EARLY_DATA_SUCCESS 1
2006# define SSL_READ_EARLY_DATA_FINISH 2
2007
2008__owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
2009 size_t *readbytes);
2010__owur int SSL_peek(SSL *ssl, void *buf, int num);
2011__owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
2012__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
2013 int flags);
2014__owur int SSL_write(SSL *ssl, const void *buf, int num);
2015__owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
2016__owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
2017 size_t *written);
2018long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
2019long SSL_callback_ctrl(SSL *, int, void (*)(void));
2020long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
2021long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
2022
2023# define SSL_WRITE_FLAG_CONCLUDE (1U << 0)
2024
2025__owur int SSL_write_ex2(SSL *s, const void *buf, size_t num,
2026 uint64_t flags,
2027 size_t *written);
2028
2029# define SSL_EARLY_DATA_NOT_SENT 0
2030# define SSL_EARLY_DATA_REJECTED 1
2031# define SSL_EARLY_DATA_ACCEPTED 2
2032
2033__owur int SSL_get_early_data_status(const SSL *s);
2034
2035__owur int SSL_get_error(const SSL *s, int ret_code);
2036__owur const char *SSL_get_version(const SSL *s);
2037__owur int SSL_get_handshake_rtt(const SSL *s, uint64_t *rtt);
2038
2039/* This sets the 'default' SSL version that SSL_new() will create */
2040# ifndef OPENSSL_NO_DEPRECATED_3_0
2041OSSL_DEPRECATEDIN_3_0
2042__owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
2043# endif
2044
2045# ifndef OPENSSL_NO_SSL3_METHOD
2046# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2047OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_method(void); /* SSLv3 */
2048OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
2049OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
2050# endif
2051# endif
2052
2053#define SSLv23_method TLS_method
2054#define SSLv23_server_method TLS_server_method
2055#define SSLv23_client_method TLS_client_method
2056
2057/* Negotiate highest available SSL/TLS version */
2058__owur const SSL_METHOD *TLS_method(void);
2059__owur const SSL_METHOD *TLS_server_method(void);
2060__owur const SSL_METHOD *TLS_client_method(void);
2061
2062# ifndef OPENSSL_NO_TLS1_METHOD
2063# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2064OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_method(void); /* TLSv1.0 */
2065OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
2066OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
2067# endif
2068# endif
2069
2070# ifndef OPENSSL_NO_TLS1_1_METHOD
2071# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2072OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_method(void); /* TLSv1.1 */
2073OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
2074OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
2075# endif
2076# endif
2077
2078# ifndef OPENSSL_NO_TLS1_2_METHOD
2079# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2080OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_method(void); /* TLSv1.2 */
2081OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
2082OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
2083# endif
2084# endif
2085
2086# ifndef OPENSSL_NO_DTLS1_METHOD
2087# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2088OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_method(void); /* DTLSv1.0 */
2089OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
2090OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
2091# endif
2092# endif
2093
2094# ifndef OPENSSL_NO_DTLS1_2_METHOD
2095/* DTLSv1.2 */
2096# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2097OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
2098OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
2099OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
2100# endif
2101# endif
2102
2103__owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
2104__owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
2105__owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
2106
2107__owur size_t DTLS_get_data_mtu(const SSL *s);
2108
2109__owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
2110__owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
2111__owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
2112__owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
2113
2114__owur int SSL_do_handshake(SSL *s);
2115int SSL_key_update(SSL *s, int updatetype);
2116int SSL_get_key_update_type(const SSL *s);
2117int SSL_renegotiate(SSL *s);
2118int SSL_renegotiate_abbreviated(SSL *s);
2119__owur int SSL_renegotiate_pending(const SSL *s);
2120int SSL_new_session_ticket(SSL *s);
2121int SSL_shutdown(SSL *s);
2122__owur int SSL_verify_client_post_handshake(SSL *s);
2123void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2124void SSL_set_post_handshake_auth(SSL *s, int val);
2125
2126__owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
2127__owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
2128__owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
2129__owur const char *SSL_alert_type_string_long(int value);
2130__owur const char *SSL_alert_type_string(int value);
2131__owur const char *SSL_alert_desc_string_long(int value);
2132__owur const char *SSL_alert_desc_string(int value);
2133
2134void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2135void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2136__owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
2137__owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
2138__owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
2139__owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
2140__owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
2141
2142void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2143void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2144__owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
2145__owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
2146__owur int SSL_add_client_CA(SSL *ssl, X509 *x);
2147__owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
2148
2149void SSL_set_connect_state(SSL *s);
2150void SSL_set_accept_state(SSL *s);
2151
2152__owur long SSL_get_default_timeout(const SSL *s);
2153
2154# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2155# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2156# endif
2157
2158__owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
2159__owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
2160
2161__owur SSL *SSL_dup(SSL *ssl);
2162
2163__owur X509 *SSL_get_certificate(const SSL *ssl);
2164/*
2165 * EVP_PKEY
2166 */
2167struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
2168
2169__owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
2170__owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
2171
2172void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2173__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2174void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2175__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2176void SSL_set_shutdown(SSL *ssl, int mode);
2177__owur int SSL_get_shutdown(const SSL *ssl);
2178__owur int SSL_version(const SSL *ssl);
2179__owur int SSL_client_version(const SSL *s);
2180__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2181__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2182__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2183__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2184__owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile);
2185__owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath);
2186__owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore);
2187__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2188 const char *CAfile,
2189 const char *CApath);
2190# define SSL_get0_session SSL_get_session/* just peek at pointer */
2191__owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2192__owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2193__owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2194SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2195void SSL_set_info_callback(SSL *ssl,
2196 void (*cb) (const SSL *ssl, int type, int val));
2197void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2198 int val);
2199__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2200
2201void SSL_set_verify_result(SSL *ssl, long v);
2202__owur long SSL_get_verify_result(const SSL *ssl);
2203__owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2204
2205__owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2206 size_t outlen);
2207__owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2208 size_t outlen);
2209__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2210 unsigned char *out, size_t outlen);
2211__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2212 const unsigned char *in, size_t len);
2213uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2214
2215#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2216 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2217__owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2218void *SSL_get_ex_data(const SSL *ssl, int idx);
2219#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2220 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2221__owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2222void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2223#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2224 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2225__owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2226void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2227
2228__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2229
2230# define SSL_CTX_sess_set_cache_size(ctx,t) \
2231 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2232# define SSL_CTX_sess_get_cache_size(ctx) \
2233 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2234# define SSL_CTX_set_session_cache_mode(ctx,m) \
2235 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2236# define SSL_CTX_get_session_cache_mode(ctx) \
2237 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2238
2239# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2240# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2241# define SSL_CTX_get_read_ahead(ctx) \
2242 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2243# define SSL_CTX_set_read_ahead(ctx,m) \
2244 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2245# define SSL_CTX_get_max_cert_list(ctx) \
2246 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2247# define SSL_CTX_set_max_cert_list(ctx,m) \
2248 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2249# define SSL_get_max_cert_list(ssl) \
2250 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2251# define SSL_set_max_cert_list(ssl,m) \
2252 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2253
2254# define SSL_CTX_set_max_send_fragment(ctx,m) \
2255 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2256# define SSL_set_max_send_fragment(ssl,m) \
2257 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2258# define SSL_CTX_set_split_send_fragment(ctx,m) \
2259 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2260# define SSL_set_split_send_fragment(ssl,m) \
2261 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2262# define SSL_CTX_set_max_pipelines(ctx,m) \
2263 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2264# define SSL_set_max_pipelines(ssl,m) \
2265 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2266# define SSL_set_retry_verify(ssl) \
2267 (SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2268
2269void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2270void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2271
2272# ifndef OPENSSL_NO_DH
2273# ifndef OPENSSL_NO_DEPRECATED_3_0
2274/* NB: the |keylength| is only applicable when is_export is true */
2275OSSL_DEPRECATEDIN_3_0
2276void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2277 DH *(*dh) (SSL *ssl, int is_export,
2278 int keylength));
2279OSSL_DEPRECATEDIN_3_0
2280void SSL_set_tmp_dh_callback(SSL *ssl,
2281 DH *(*dh) (SSL *ssl, int is_export,
2282 int keylength));
2283# endif
2284# endif
2285
2286__owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2287__owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2288__owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2289__owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2290__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2291STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2292__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2293 *meths);
2294# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2295# define SSL_COMP_free_compression_methods() while(0) continue
2296# endif
2297__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2298
2299const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2300int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2301int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2302int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2303 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2304 STACK_OF(SSL_CIPHER) **scsvs);
2305
2306/* TLS extensions functions */
2307__owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2308
2309__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2310 tls_session_ticket_ext_cb_fn cb,
2311 void *arg);
2312
2313/* Pre-shared secret session resumption functions */
2314__owur int SSL_set_session_secret_cb(SSL *s,
2315 tls_session_secret_cb_fn session_secret_cb,
2316 void *arg);
2317
2318void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2319 int (*cb) (SSL *ssl,
2320 int
2321 is_forward_secure));
2322
2323void SSL_set_not_resumable_session_callback(SSL *ssl,
2324 int (*cb) (SSL *ssl,
2325 int is_forward_secure));
2326
2327void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2328 size_t (*cb) (SSL *ssl, int type,
2329 size_t len, void *arg));
2330void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2331void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2332int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2333int SSL_CTX_set_block_padding_ex(SSL_CTX *ctx, size_t app_block_size,
2334 size_t hs_block_size);
2335
2336int SSL_set_record_padding_callback(SSL *ssl,
2337 size_t (*cb) (SSL *ssl, int type,
2338 size_t len, void *arg));
2339void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2340void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2341int SSL_set_block_padding(SSL *ssl, size_t block_size);
2342int SSL_set_block_padding_ex(SSL *ssl, size_t app_block_size,
2343 size_t hs_block_size);
2344int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2345size_t SSL_get_num_tickets(const SSL *s);
2346int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2347size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2348
2349/* QUIC support */
2350int SSL_handle_events(SSL *s);
2351__owur int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite);
2352__owur int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc);
2353__owur int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc);
2354__owur int SSL_net_read_desired(SSL *s);
2355__owur int SSL_net_write_desired(SSL *s);
2356__owur int SSL_set_blocking_mode(SSL *s, int blocking);
2357__owur int SSL_get_blocking_mode(SSL *s);
2358__owur int SSL_set1_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr);
2359__owur SSL *SSL_get0_connection(SSL *s);
2360__owur int SSL_is_connection(SSL *s);
2361
2362__owur int SSL_is_listener(SSL *ssl);
2363__owur SSL *SSL_get0_listener(SSL *s);
2364#define SSL_LISTENER_FLAG_NO_VALIDATE (1UL << 1)
2365__owur SSL *SSL_new_listener(SSL_CTX *ctx, uint64_t flags);
2366__owur SSL *SSL_new_listener_from(SSL *ssl, uint64_t flags);
2367__owur SSL *SSL_new_from_listener(SSL *ssl, uint64_t flags);
2368#define SSL_ACCEPT_CONNECTION_NO_BLOCK (1UL << 0)
2369__owur SSL *SSL_accept_connection(SSL *ssl, uint64_t flags);
2370__owur size_t SSL_get_accept_connection_queue_len(SSL *ssl);
2371__owur int SSL_listen(SSL *ssl);
2372
2373__owur int SSL_is_domain(SSL *s);
2374__owur SSL *SSL_get0_domain(SSL *s);
2375__owur SSL *SSL_new_domain(SSL_CTX *ctx, uint64_t flags);
2376
2377#define SSL_DOMAIN_FLAG_SINGLE_THREAD (1U << 0)
2378#define SSL_DOMAIN_FLAG_MULTI_THREAD (1U << 1)
2379#define SSL_DOMAIN_FLAG_THREAD_ASSISTED (1U << 2)
2380#define SSL_DOMAIN_FLAG_BLOCKING (1U << 3)
2381#define SSL_DOMAIN_FLAG_LEGACY_BLOCKING (1U << 4)
2382
2383__owur int SSL_CTX_set_domain_flags(SSL_CTX *ctx, uint64_t domain_flags);
2384__owur int SSL_CTX_get_domain_flags(const SSL_CTX *ctx, uint64_t *domain_flags);
2385__owur int SSL_get_domain_flags(const SSL *ssl, uint64_t *domain_flags);
2386
2387#define SSL_STREAM_TYPE_NONE 0
2388#define SSL_STREAM_TYPE_READ (1U << 0)
2389#define SSL_STREAM_TYPE_WRITE (1U << 1)
2390#define SSL_STREAM_TYPE_BIDI (SSL_STREAM_TYPE_READ | SSL_STREAM_TYPE_WRITE)
2391__owur int SSL_get_stream_type(SSL *s);
2392
2393__owur uint64_t SSL_get_stream_id(SSL *s);
2394__owur int SSL_is_stream_local(SSL *s);
2395
2396#define SSL_DEFAULT_STREAM_MODE_NONE 0
2397#define SSL_DEFAULT_STREAM_MODE_AUTO_BIDI 1
2398#define SSL_DEFAULT_STREAM_MODE_AUTO_UNI 2
2399__owur int SSL_set_default_stream_mode(SSL *s, uint32_t mode);
2400
2401#define SSL_STREAM_FLAG_UNI (1U << 0)
2402#define SSL_STREAM_FLAG_NO_BLOCK (1U << 1)
2403#define SSL_STREAM_FLAG_ADVANCE (1U << 2)
2404__owur SSL *SSL_new_stream(SSL *s, uint64_t flags);
2405
2406#define SSL_INCOMING_STREAM_POLICY_AUTO 0
2407#define SSL_INCOMING_STREAM_POLICY_ACCEPT 1
2408#define SSL_INCOMING_STREAM_POLICY_REJECT 2
2409__owur int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec);
2410
2411#define SSL_ACCEPT_STREAM_NO_BLOCK (1U << 0)
2412#define SSL_ACCEPT_STREAM_UNI (1U << 1)
2413#define SSL_ACCEPT_STREAM_BIDI (1U << 2)
2414__owur SSL *SSL_accept_stream(SSL *s, uint64_t flags);
2415__owur size_t SSL_get_accept_stream_queue_len(SSL *s);
2416
2417# ifndef OPENSSL_NO_QUIC
2418__owur int SSL_inject_net_dgram(SSL *s, const unsigned char *buf,
2419 size_t buf_len,
2420 const BIO_ADDR *peer,
2421 const BIO_ADDR *local);
2422# endif
2423
2424typedef struct ssl_shutdown_ex_args_st {
2425 uint64_t quic_error_code;
2426 const char *quic_reason;
2427} SSL_SHUTDOWN_EX_ARGS;
2428
2429#define SSL_SHUTDOWN_FLAG_RAPID (1U << 0)
2430#define SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH (1U << 1)
2431#define SSL_SHUTDOWN_FLAG_NO_BLOCK (1U << 2)
2432#define SSL_SHUTDOWN_FLAG_WAIT_PEER (1U << 3)
2433
2434__owur int SSL_shutdown_ex(SSL *ssl, uint64_t flags,
2435 const SSL_SHUTDOWN_EX_ARGS *args,
2436 size_t args_len);
2437
2438__owur int SSL_stream_conclude(SSL *ssl, uint64_t flags);
2439
2440typedef struct ssl_stream_reset_args_st {
2441 uint64_t quic_error_code;
2442} SSL_STREAM_RESET_ARGS;
2443
2444__owur int SSL_stream_reset(SSL *ssl,
2445 const SSL_STREAM_RESET_ARGS *args,
2446 size_t args_len);
2447
2448#define SSL_STREAM_STATE_NONE 0
2449#define SSL_STREAM_STATE_OK 1
2450#define SSL_STREAM_STATE_WRONG_DIR 2
2451#define SSL_STREAM_STATE_FINISHED 3
2452#define SSL_STREAM_STATE_RESET_LOCAL 4
2453#define SSL_STREAM_STATE_RESET_REMOTE 5
2454#define SSL_STREAM_STATE_CONN_CLOSED 6
2455__owur int SSL_get_stream_read_state(SSL *ssl);
2456__owur int SSL_get_stream_write_state(SSL *ssl);
2457
2458__owur int SSL_get_stream_read_error_code(SSL *ssl, uint64_t *app_error_code);
2459__owur int SSL_get_stream_write_error_code(SSL *ssl, uint64_t *app_error_code);
2460
2461#define SSL_CONN_CLOSE_FLAG_LOCAL (1U << 0)
2462#define SSL_CONN_CLOSE_FLAG_TRANSPORT (1U << 1)
2463
2464typedef struct ssl_conn_close_info_st {
2465 uint64_t error_code, frame_type;
2466 const char *reason;
2467 size_t reason_len;
2468 uint32_t flags;
2469} SSL_CONN_CLOSE_INFO;
2470
2471__owur int SSL_get_conn_close_info(SSL *ssl,
2472 SSL_CONN_CLOSE_INFO *info,
2473 size_t info_len);
2474
2475# define SSL_VALUE_CLASS_GENERIC 0
2476# define SSL_VALUE_CLASS_FEATURE_REQUEST 1
2477# define SSL_VALUE_CLASS_FEATURE_PEER_REQUEST 2
2478# define SSL_VALUE_CLASS_FEATURE_NEGOTIATED 3
2479
2480# define SSL_VALUE_NONE 0
2481# define SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL 1
2482# define SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL 2
2483# define SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL 3
2484# define SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL 4
2485# define SSL_VALUE_QUIC_IDLE_TIMEOUT 5
2486# define SSL_VALUE_EVENT_HANDLING_MODE 6
2487# define SSL_VALUE_STREAM_WRITE_BUF_SIZE 7
2488# define SSL_VALUE_STREAM_WRITE_BUF_USED 8
2489# define SSL_VALUE_STREAM_WRITE_BUF_AVAIL 9
2490
2491# define SSL_VALUE_EVENT_HANDLING_MODE_INHERIT 0
2492# define SSL_VALUE_EVENT_HANDLING_MODE_IMPLICIT 1
2493# define SSL_VALUE_EVENT_HANDLING_MODE_EXPLICIT 2
2494
2495int SSL_get_value_uint(SSL *s, uint32_t class_, uint32_t id, uint64_t *v);
2496int SSL_set_value_uint(SSL *s, uint32_t class_, uint32_t id, uint64_t v);
2497
2498# define SSL_get_generic_value_uint(ssl, id, v) \
2499 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2500# define SSL_set_generic_value_uint(ssl, id, v) \
2501 SSL_set_value_uint((ssl), SSL_VALUE_CLASS_GENERIC, (id), (v))
2502# define SSL_get_feature_request_uint(ssl, id, v) \
2503 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2504# define SSL_set_feature_request_uint(ssl, id, v) \
2505 SSL_set_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_REQUEST, (id), (v))
2506# define SSL_get_feature_peer_request_uint(ssl, id, v) \
2507 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_PEER_REQUEST, (id), (v))
2508# define SSL_get_feature_negotiated_uint(ssl, id, v) \
2509 SSL_get_value_uint((ssl), SSL_VALUE_CLASS_FEATURE_NEGOTIATED, (id), (v))
2510
2511# define SSL_get_quic_stream_bidi_local_avail(ssl, value) \
2512 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_LOCAL_AVAIL, \
2513 (value))
2514# define SSL_get_quic_stream_bidi_remote_avail(ssl, value) \
2515 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_BIDI_REMOTE_AVAIL, \
2516 (value))
2517# define SSL_get_quic_stream_uni_local_avail(ssl, value) \
2518 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_LOCAL_AVAIL, \
2519 (value))
2520# define SSL_get_quic_stream_uni_remote_avail(ssl, value) \
2521 SSL_get_generic_value_uint((ssl), SSL_VALUE_QUIC_STREAM_UNI_REMOTE_AVAIL, \
2522 (value))
2523
2524# define SSL_get_event_handling_mode(ssl, value) \
2525 SSL_get_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2526 (value))
2527# define SSL_set_event_handling_mode(ssl, value) \
2528 SSL_set_generic_value_uint((ssl), SSL_VALUE_EVENT_HANDLING_MODE, \
2529 (value))
2530
2531# define SSL_get_stream_write_buf_size(ssl, value) \
2532 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_SIZE, \
2533 (value))
2534# define SSL_get_stream_write_buf_used(ssl, value) \
2535 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_USED, \
2536 (value))
2537# define SSL_get_stream_write_buf_avail(ssl, value) \
2538 SSL_get_generic_value_uint((ssl), SSL_VALUE_STREAM_WRITE_BUF_AVAIL, \
2539 (value))
2540
2541# define SSL_POLL_EVENT_NONE 0
2542
2543# define SSL_POLL_EVENT_F (1U << 0) /* F (Failure) */
2544# define SSL_POLL_EVENT_EL (1U << 1) /* EL (Exception on Listener) */
2545# define SSL_POLL_EVENT_EC (1U << 2) /* EC (Exception on Conn) */
2546# define SSL_POLL_EVENT_ECD (1U << 3) /* ECD (Exception on Conn Drained) */
2547# define SSL_POLL_EVENT_ER (1U << 4) /* ER (Exception on Read) */
2548# define SSL_POLL_EVENT_EW (1U << 5) /* EW (Exception on Write) */
2549# define SSL_POLL_EVENT_R (1U << 6) /* R (Readable) */
2550# define SSL_POLL_EVENT_W (1U << 7) /* W (Writable) */
2551# define SSL_POLL_EVENT_IC (1U << 8) /* IC (Incoming Connection) */
2552# define SSL_POLL_EVENT_ISB (1U << 9) /* ISB (Incoming Stream: Bidi) */
2553# define SSL_POLL_EVENT_ISU (1U << 10) /* ISU (Incoming Stream: Uni) */
2554# define SSL_POLL_EVENT_OSB (1U << 11) /* OSB (Outgoing Stream: Bidi) */
2555# define SSL_POLL_EVENT_OSU (1U << 12) /* OSU (Outgoing Stream: Uni) */
2556
2557# define SSL_POLL_EVENT_RW (SSL_POLL_EVENT_R | SSL_POLL_EVENT_W)
2558# define SSL_POLL_EVENT_RE (SSL_POLL_EVENT_R | SSL_POLL_EVENT_ER)
2559# define SSL_POLL_EVENT_WE (SSL_POLL_EVENT_W | SSL_POLL_EVENT_EW)
2560# define SSL_POLL_EVENT_RWE (SSL_POLL_EVENT_RE | SSL_POLL_EVENT_WE)
2561# define SSL_POLL_EVENT_E (SSL_POLL_EVENT_EL | SSL_POLL_EVENT_EC \
2562 | SSL_POLL_EVENT_ER | SSL_POLL_EVENT_EW)
2563# define SSL_POLL_EVENT_IS (SSL_POLL_EVENT_ISB | SSL_POLL_EVENT_ISU)
2564# define SSL_POLL_EVENT_ISE (SSL_POLL_EVENT_IS | SSL_POLL_EVENT_EC)
2565# define SSL_POLL_EVENT_I (SSL_POLL_EVENT_IS | SSL_POLL_EVENT_IC)
2566# define SSL_POLL_EVENT_OS (SSL_POLL_EVENT_OSB | SSL_POLL_EVENT_OSU)
2567# define SSL_POLL_EVENT_OSE (SSL_POLL_EVENT_OS | SSL_POLL_EVENT_EC)
2568
2569typedef struct ssl_poll_item_st {
2570 BIO_POLL_DESCRIPTOR desc;
2571 uint64_t events, revents;
2572} SSL_POLL_ITEM;
2573
2574# define SSL_POLL_FLAG_NO_HANDLE_EVENTS (1U << 0)
2575
2576__owur int SSL_poll(SSL_POLL_ITEM *items,
2577 size_t num_items,
2578 size_t stride,
2579 const struct timeval *timeout,
2580 uint64_t flags,
2581 size_t *result_count);
2582
2583static ossl_inline ossl_unused BIO_POLL_DESCRIPTOR
2584SSL_as_poll_descriptor(SSL *s)
2585{
2586 BIO_POLL_DESCRIPTOR d;
2587
2588 d.type = BIO_POLL_DESCRIPTOR_TYPE_SSL;
2589 d.value.ssl = s;
2590 return d;
2591}
2592
2593# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2594# define SSL_cache_hit(s) SSL_session_reused(s)
2595# endif
2596
2597__owur int SSL_session_reused(const SSL *s);
2598__owur int SSL_is_server(const SSL *s);
2599
2600__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2601int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2602void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2603unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2604__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2605 unsigned int flags);
2606__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2607
2608void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2609void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2610
2611__owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2612__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2613__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2614
2615void SSL_add_ssl_module(void);
2616int SSL_config(SSL *s, const char *name);
2617int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2618
2619# ifndef OPENSSL_NO_SSL_TRACE
2620void SSL_trace(int write_p, int version, int content_type,
2621 const void *buf, size_t len, SSL *ssl, void *arg);
2622# endif
2623
2624# ifndef OPENSSL_NO_SOCK
2625int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2626# endif
2627
2628# ifndef OPENSSL_NO_CT
2629
2630/*
2631 * A callback for verifying that the received SCTs are sufficient.
2632 * Expected to return 1 if they are sufficient, otherwise 0.
2633 * May return a negative integer if an error occurs.
2634 * A connection should be aborted if the SCTs are deemed insufficient.
2635 */
2636typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2637 const STACK_OF(SCT) *scts, void *arg);
2638
2639/*
2640 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2641 * the received SCTs.
2642 * If the callback returns a non-positive result, the connection is terminated.
2643 * Call this function before beginning a handshake.
2644 * If a NULL |callback| is provided, SCT validation is disabled.
2645 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2646 * is invoked. Ownership of |arg| remains with the caller.
2647 *
2648 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2649 * will be requested.
2650 */
2651int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2652 void *arg);
2653int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2654 ssl_ct_validation_cb callback,
2655 void *arg);
2656#define SSL_disable_ct(s) \
2657 ((void) SSL_set_validation_callback((s), NULL, NULL))
2658#define SSL_CTX_disable_ct(ctx) \
2659 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2660
2661/*
2662 * The validation type enumerates the available behaviours of the built-in SSL
2663 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2664 * The underlying callback is a static function in libssl.
2665 */
2666enum {
2667 SSL_CT_VALIDATION_PERMISSIVE = 0,
2668 SSL_CT_VALIDATION_STRICT
2669};
2670
2671/*
2672 * Enable CT by setting up a callback that implements one of the built-in
2673 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2674 * continues the handshake, the application can make appropriate decisions at
2675 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2676 * least one valid SCT, or else handshake termination will be requested. The
2677 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2678 */
2679int SSL_enable_ct(SSL *s, int validation_mode);
2680int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2681
2682/*
2683 * Report whether a non-NULL callback is enabled.
2684 */
2685int SSL_ct_is_enabled(const SSL *s);
2686int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2687
2688/* Gets the SCTs received from a connection */
2689const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2690
2691/*
2692 * Loads the CT log list from the default location.
2693 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2694 * the log information loaded from this file will be appended to the
2695 * CTLOG_STORE.
2696 * Returns 1 on success, 0 otherwise.
2697 */
2698int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2699
2700/*
2701 * Loads the CT log list from the specified file path.
2702 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2703 * the log information loaded from this file will be appended to the
2704 * CTLOG_STORE.
2705 * Returns 1 on success, 0 otherwise.
2706 */
2707int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2708
2709/*
2710 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2711 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2712 */
2713void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2714
2715/*
2716 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2717 * This will be NULL unless one of the following functions has been called:
2718 * - SSL_CTX_set_default_ctlog_list_file
2719 * - SSL_CTX_set_ctlog_list_file
2720 * - SSL_CTX_set_ctlog_store
2721 */
2722const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2723
2724# endif /* OPENSSL_NO_CT */
2725
2726/* What the "other" parameter contains in security callback */
2727/* Mask for type */
2728# define SSL_SECOP_OTHER_TYPE 0xffff0000
2729# define SSL_SECOP_OTHER_NONE 0
2730# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2731# define SSL_SECOP_OTHER_CURVE (2 << 16)
2732# define SSL_SECOP_OTHER_DH (3 << 16)
2733# define SSL_SECOP_OTHER_PKEY (4 << 16)
2734# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2735# define SSL_SECOP_OTHER_CERT (6 << 16)
2736
2737/* Indicated operation refers to peer key or certificate */
2738# define SSL_SECOP_PEER 0x1000
2739
2740/* Values for "op" parameter in security callback */
2741
2742/* Called to filter ciphers */
2743/* Ciphers client supports */
2744# define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2745/* Cipher shared by client/server */
2746# define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2747/* Sanity check of cipher server selects */
2748# define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2749/* Curves supported by client */
2750# define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2751/* Curves shared by client/server */
2752# define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2753/* Sanity check of curve server selects */
2754# define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2755/* Temporary DH key */
2756# define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2757/* SSL/TLS version */
2758# define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2759/* Session tickets */
2760# define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2761/* Supported signature algorithms sent to peer */
2762# define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2763/* Shared signature algorithm */
2764# define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2765/* Sanity check signature algorithm allowed */
2766# define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2767/* Used to get mask of supported public key signature algorithms */
2768# define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2769/* Use to see if compression is allowed */
2770# define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2771/* EE key in certificate */
2772# define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2773/* CA key in certificate */
2774# define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2775/* CA digest algorithm in certificate */
2776# define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2777/* Peer EE key in certificate */
2778# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2779/* Peer CA key in certificate */
2780# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2781/* Peer CA digest algorithm in certificate */
2782# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2783
2784void SSL_set_security_level(SSL *s, int level);
2785__owur int SSL_get_security_level(const SSL *s);
2786void SSL_set_security_callback(SSL *s,
2787 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2788 int op, int bits, int nid,
2789 void *other, void *ex));
2790int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2791 const SSL_CTX *ctx, int op,
2792 int bits, int nid, void *other,
2793 void *ex);
2794void SSL_set0_security_ex_data(SSL *s, void *ex);
2795__owur void *SSL_get0_security_ex_data(const SSL *s);
2796
2797void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2798__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2799void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2800 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2801 int op, int bits, int nid,
2802 void *other, void *ex));
2803int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2804 const SSL_CTX *ctx,
2805 int op, int bits,
2806 int nid,
2807 void *other,
2808 void *ex);
2809void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2810__owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2811
2812/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2813# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2814# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2815
2816# define OPENSSL_INIT_SSL_DEFAULT \
2817 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2818
2819int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2820
2821# ifndef OPENSSL_NO_UNIT_TEST
2822__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2823# endif
2824
2825__owur int SSL_free_buffers(SSL *ssl);
2826__owur int SSL_alloc_buffers(SSL *ssl);
2827
2828/* Status codes passed to the decrypt session ticket callback. Some of these
2829 * are for internal use only and are never passed to the callback. */
2830typedef int SSL_TICKET_STATUS;
2831
2832/* Support for ticket appdata */
2833/* fatal error, malloc failure */
2834# define SSL_TICKET_FATAL_ERR_MALLOC 0
2835/* fatal error, either from parsing or decrypting the ticket */
2836# define SSL_TICKET_FATAL_ERR_OTHER 1
2837/* No ticket present */
2838# define SSL_TICKET_NONE 2
2839/* Empty ticket present */
2840# define SSL_TICKET_EMPTY 3
2841/* the ticket couldn't be decrypted */
2842# define SSL_TICKET_NO_DECRYPT 4
2843/* a ticket was successfully decrypted */
2844# define SSL_TICKET_SUCCESS 5
2845/* same as above but the ticket needs to be renewed */
2846# define SSL_TICKET_SUCCESS_RENEW 6
2847
2848/* Return codes for the decrypt session ticket callback */
2849typedef int SSL_TICKET_RETURN;
2850
2851/* An error occurred */
2852#define SSL_TICKET_RETURN_ABORT 0
2853/* Do not use the ticket, do not send a renewed ticket to the client */
2854#define SSL_TICKET_RETURN_IGNORE 1
2855/* Do not use the ticket, send a renewed ticket to the client */
2856#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2857/* Use the ticket, do not send a renewed ticket to the client */
2858#define SSL_TICKET_RETURN_USE 3
2859/* Use the ticket, send a renewed ticket to the client */
2860#define SSL_TICKET_RETURN_USE_RENEW 4
2861
2862typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2863typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2864 const unsigned char *keyname,
2865 size_t keyname_length,
2866 SSL_TICKET_STATUS status,
2867 void *arg);
2868int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2869 SSL_CTX_generate_session_ticket_fn gen_cb,
2870 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2871 void *arg);
2872int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2873int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2874
2875typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2876
2877void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2878
2879
2880typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2881void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2882 SSL_allow_early_data_cb_fn cb,
2883 void *arg);
2884void SSL_set_allow_early_data_cb(SSL *s,
2885 SSL_allow_early_data_cb_fn cb,
2886 void *arg);
2887
2888/* store the default cipher strings inside the library */
2889const char *OSSL_default_cipher_list(void);
2890const char *OSSL_default_ciphersuites(void);
2891
2892/* RFC8879 Certificate compression APIs */
2893
2894int SSL_CTX_compress_certs(SSL_CTX *ctx, int alg);
2895int SSL_compress_certs(SSL *ssl, int alg);
2896
2897int SSL_CTX_set1_cert_comp_preference(SSL_CTX *ctx, int *algs, size_t len);
2898int SSL_set1_cert_comp_preference(SSL *ssl, int *algs, size_t len);
2899
2900int SSL_CTX_set1_compressed_cert(SSL_CTX *ctx, int algorithm, unsigned char *comp_data,
2901 size_t comp_length, size_t orig_length);
2902int SSL_set1_compressed_cert(SSL *ssl, int algorithm, unsigned char *comp_data,
2903 size_t comp_length, size_t orig_length);
2904size_t SSL_CTX_get1_compressed_cert(SSL_CTX *ctx, int alg, unsigned char **data, size_t *orig_len);
2905size_t SSL_get1_compressed_cert(SSL *ssl, int alg, unsigned char **data, size_t *orig_len);
2906
2907__owur int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk);
2908__owur EVP_PKEY *SSL_get0_peer_rpk(const SSL *s);
2909__owur EVP_PKEY *SSL_SESSION_get0_peer_rpk(SSL_SESSION *s);
2910__owur int SSL_get_negotiated_client_cert_type(const SSL *s);
2911__owur int SSL_get_negotiated_server_cert_type(const SSL *s);
2912
2913__owur int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len);
2914__owur int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len);
2915__owur int SSL_CTX_set1_client_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len);
2916__owur int SSL_CTX_set1_server_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len);
2917__owur int SSL_get0_client_cert_type(const SSL *s, unsigned char **t, size_t *len);
2918__owur int SSL_get0_server_cert_type(const SSL *s, unsigned char **t, size_t *len);
2919__owur int SSL_CTX_get0_client_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len);
2920__owur int SSL_CTX_get0_server_cert_type(const SSL_CTX *s, unsigned char **t, size_t *len);
2921
2922/*
2923 * Protection level. For <= TLSv1.2 only "NONE" and "APPLICATION" are used.
2924 */
2925# define OSSL_RECORD_PROTECTION_LEVEL_NONE 0
2926# define OSSL_RECORD_PROTECTION_LEVEL_EARLY 1
2927# define OSSL_RECORD_PROTECTION_LEVEL_HANDSHAKE 2
2928# define OSSL_RECORD_PROTECTION_LEVEL_APPLICATION 3
2929
2930int SSL_set_quic_tls_cbs(SSL *s, const OSSL_DISPATCH *qtdis, void *arg);
2931int SSL_set_quic_tls_transport_params(SSL *s,
2932 const unsigned char *params,
2933 size_t params_len);
2934
2935int SSL_set_quic_tls_early_data_enabled(SSL *s, int enabled);
2936
2937# ifdef __cplusplus
2938}
2939# endif
2940#endif
2941