| /* | 
 |  * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. | 
 |  * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved | 
 |  * Copyright 2005 Nokia. All rights reserved. | 
 |  * | 
 |  * Licensed under the OpenSSL license (the "License").  You may not use | 
 |  * this file except in compliance with the License.  You can obtain a copy | 
 |  * in the file LICENSE in the source distribution or at | 
 |  * https://www.openssl.org/source/license.html | 
 |  */ | 
 |  | 
 | #ifndef HEADER_SSL_H | 
 | # define HEADER_SSL_H | 
 |  | 
 | # include <openssl/e_os2.h> | 
 | # include <openssl/opensslconf.h> | 
 | # include <openssl/comp.h> | 
 | # include <openssl/bio.h> | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  include <openssl/x509.h> | 
 | #  include <openssl/crypto.h> | 
 | #  include <openssl/buffer.h> | 
 | # endif | 
 | # include <openssl/lhash.h> | 
 | # include <openssl/pem.h> | 
 | # include <openssl/hmac.h> | 
 | # include <openssl/async.h> | 
 |  | 
 | # include <openssl/safestack.h> | 
 | # include <openssl/symhacks.h> | 
 | # include <openssl/ct.h> | 
 | # include <openssl/sslerr.h> | 
 |  | 
 | #ifdef  __cplusplus | 
 | extern "C" { | 
 | #endif | 
 |  | 
 | /* OpenSSL version number for ASN.1 encoding of the session information */ | 
 | /*- | 
 |  * Version 0 - initial version | 
 |  * Version 1 - added the optional peer certificate | 
 |  */ | 
 | # define SSL_SESSION_ASN1_VERSION 0x0001 | 
 |  | 
 | # define SSL_MAX_SSL_SESSION_ID_LENGTH           32 | 
 | # define SSL_MAX_SID_CTX_LENGTH                  32 | 
 |  | 
 | # define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES     (512/8) | 
 | # define SSL_MAX_KEY_ARG_LENGTH                  8 | 
 | # define SSL_MAX_MASTER_KEY_LENGTH               48 | 
 |  | 
 | /* The maximum number of encrypt/decrypt pipelines we can support */ | 
 | # define SSL_MAX_PIPELINES  32 | 
 |  | 
 | /* text strings for the ciphers */ | 
 |  | 
 | /* These are used to specify which ciphers to use and not to use */ | 
 |  | 
 | # define SSL_TXT_LOW             "LOW" | 
 | # define SSL_TXT_MEDIUM          "MEDIUM" | 
 | # define SSL_TXT_HIGH            "HIGH" | 
 | # define SSL_TXT_FIPS            "FIPS" | 
 |  | 
 | # define SSL_TXT_aNULL           "aNULL" | 
 | # define SSL_TXT_eNULL           "eNULL" | 
 | # define SSL_TXT_NULL            "NULL" | 
 |  | 
 | # define SSL_TXT_kRSA            "kRSA" | 
 | # define SSL_TXT_kDHr            "kDHr"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kDHd            "kDHd"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kDH             "kDH"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kEDH            "kEDH"/* alias for kDHE */ | 
 | # define SSL_TXT_kDHE            "kDHE" | 
 | # define SSL_TXT_kECDHr          "kECDHr"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kECDHe          "kECDHe"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kECDH           "kECDH"/* this cipher class has been removed */ | 
 | # define SSL_TXT_kEECDH          "kEECDH"/* alias for kECDHE */ | 
 | # define SSL_TXT_kECDHE          "kECDHE" | 
 | # define SSL_TXT_kPSK            "kPSK" | 
 | # define SSL_TXT_kRSAPSK         "kRSAPSK" | 
 | # define SSL_TXT_kECDHEPSK       "kECDHEPSK" | 
 | # define SSL_TXT_kDHEPSK         "kDHEPSK" | 
 | # define SSL_TXT_kGOST           "kGOST" | 
 | # define SSL_TXT_kSRP            "kSRP" | 
 |  | 
 | # define SSL_TXT_aRSA            "aRSA" | 
 | # define SSL_TXT_aDSS            "aDSS" | 
 | # define SSL_TXT_aDH             "aDH"/* this cipher class has been removed */ | 
 | # define SSL_TXT_aECDH           "aECDH"/* this cipher class has been removed */ | 
 | # define SSL_TXT_aECDSA          "aECDSA" | 
 | # define SSL_TXT_aPSK            "aPSK" | 
 | # define SSL_TXT_aGOST94         "aGOST94" | 
 | # define SSL_TXT_aGOST01         "aGOST01" | 
 | # define SSL_TXT_aGOST12         "aGOST12" | 
 | # define SSL_TXT_aGOST           "aGOST" | 
 | # define SSL_TXT_aSRP            "aSRP" | 
 |  | 
 | # define SSL_TXT_DSS             "DSS" | 
 | # define SSL_TXT_DH              "DH" | 
 | # define SSL_TXT_DHE             "DHE"/* same as "kDHE:-ADH" */ | 
 | # define SSL_TXT_EDH             "EDH"/* alias for DHE */ | 
 | # define SSL_TXT_ADH             "ADH" | 
 | # define SSL_TXT_RSA             "RSA" | 
 | # define SSL_TXT_ECDH            "ECDH" | 
 | # define SSL_TXT_EECDH           "EECDH"/* alias for ECDHE" */ | 
 | # define SSL_TXT_ECDHE           "ECDHE"/* same as "kECDHE:-AECDH" */ | 
 | # define SSL_TXT_AECDH           "AECDH" | 
 | # define SSL_TXT_ECDSA           "ECDSA" | 
 | # define SSL_TXT_PSK             "PSK" | 
 | # define SSL_TXT_SRP             "SRP" | 
 |  | 
 | # define SSL_TXT_DES             "DES" | 
 | # define SSL_TXT_3DES            "3DES" | 
 | # define SSL_TXT_RC4             "RC4" | 
 | # define SSL_TXT_RC2             "RC2" | 
 | # define SSL_TXT_IDEA            "IDEA" | 
 | # define SSL_TXT_SEED            "SEED" | 
 | # define SSL_TXT_AES128          "AES128" | 
 | # define SSL_TXT_AES256          "AES256" | 
 | # define SSL_TXT_AES             "AES" | 
 | # define SSL_TXT_AES_GCM         "AESGCM" | 
 | # define SSL_TXT_AES_CCM         "AESCCM" | 
 | # define SSL_TXT_AES_CCM_8       "AESCCM8" | 
 | # define SSL_TXT_CAMELLIA128     "CAMELLIA128" | 
 | # define SSL_TXT_CAMELLIA256     "CAMELLIA256" | 
 | # define SSL_TXT_CAMELLIA        "CAMELLIA" | 
 | # define SSL_TXT_CHACHA20        "CHACHA20" | 
 | # define SSL_TXT_GOST            "GOST89" | 
 | # define SSL_TXT_ARIA            "ARIA" | 
 | # define SSL_TXT_ARIA_GCM        "ARIAGCM" | 
 | # define SSL_TXT_ARIA128         "ARIA128" | 
 | # define SSL_TXT_ARIA256         "ARIA256" | 
 |  | 
 | # define SSL_TXT_MD5             "MD5" | 
 | # define SSL_TXT_SHA1            "SHA1" | 
 | # define SSL_TXT_SHA             "SHA"/* same as "SHA1" */ | 
 | # define SSL_TXT_GOST94          "GOST94" | 
 | # define SSL_TXT_GOST89MAC       "GOST89MAC" | 
 | # define SSL_TXT_GOST12          "GOST12" | 
 | # define SSL_TXT_GOST89MAC12     "GOST89MAC12" | 
 | # define SSL_TXT_SHA256          "SHA256" | 
 | # define SSL_TXT_SHA384          "SHA384" | 
 |  | 
 | # define SSL_TXT_SSLV3           "SSLv3" | 
 | # define SSL_TXT_TLSV1           "TLSv1" | 
 | # define SSL_TXT_TLSV1_1         "TLSv1.1" | 
 | # define SSL_TXT_TLSV1_2         "TLSv1.2" | 
 |  | 
 | # define SSL_TXT_ALL             "ALL" | 
 |  | 
 | /*- | 
 |  * COMPLEMENTOF* definitions. These identifiers are used to (de-select) | 
 |  * ciphers normally not being used. | 
 |  * Example: "RC4" will activate all ciphers using RC4 including ciphers | 
 |  * without authentication, which would normally disabled by DEFAULT (due | 
 |  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT" | 
 |  * will make sure that it is also disabled in the specific selection. | 
 |  * COMPLEMENTOF* identifiers are portable between version, as adjustments | 
 |  * to the default cipher setup will also be included here. | 
 |  * | 
 |  * COMPLEMENTOFDEFAULT does not experience the same special treatment that | 
 |  * DEFAULT gets, as only selection is being done and no sorting as needed | 
 |  * for DEFAULT. | 
 |  */ | 
 | # define SSL_TXT_CMPALL          "COMPLEMENTOFALL" | 
 | # define SSL_TXT_CMPDEF          "COMPLEMENTOFDEFAULT" | 
 |  | 
 | /* | 
 |  * The following cipher list is used by default. It also is substituted when | 
 |  * an application-defined cipher list string starts with 'DEFAULT'. | 
 |  * This applies to ciphersuites for TLSv1.2 and below. | 
 |  */ | 
 | # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL" | 
 | /* This is the default set of TLSv1.3 ciphersuites */ | 
 | # if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) | 
 | #  define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \ | 
 |                                    "TLS_CHACHA20_POLY1305_SHA256:" \ | 
 |                                    "TLS_AES_128_GCM_SHA256" | 
 | # else | 
 | #  define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \ | 
 |                                    "TLS_AES_128_GCM_SHA256" | 
 | #endif | 
 | /* | 
 |  * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always | 
 |  * starts with a reasonable order, and all we have to do for DEFAULT is | 
 |  * throwing out anonymous and unencrypted ciphersuites! (The latter are not | 
 |  * actually enabled by ALL, but "ALL:RSA" would enable some of them.) | 
 |  */ | 
 |  | 
 | /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */ | 
 | # define SSL_SENT_SHUTDOWN       1 | 
 | # define SSL_RECEIVED_SHUTDOWN   2 | 
 |  | 
 | #ifdef __cplusplus | 
 | } | 
 | #endif | 
 |  | 
 | #ifdef  __cplusplus | 
 | extern "C" { | 
 | #endif | 
 |  | 
 | # define SSL_FILETYPE_ASN1       X509_FILETYPE_ASN1 | 
 | # define SSL_FILETYPE_PEM        X509_FILETYPE_PEM | 
 |  | 
 | /* | 
 |  * This is needed to stop compilers complaining about the 'struct ssl_st *' | 
 |  * function parameters used to prototype callbacks in SSL_CTX. | 
 |  */ | 
 | typedef struct ssl_st *ssl_crock_st; | 
 | typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT; | 
 | typedef struct ssl_method_st SSL_METHOD; | 
 | typedef struct ssl_cipher_st SSL_CIPHER; | 
 | typedef struct ssl_session_st SSL_SESSION; | 
 | typedef struct tls_sigalgs_st TLS_SIGALGS; | 
 | typedef struct ssl_conf_ctx_st SSL_CONF_CTX; | 
 | typedef struct ssl_comp_st SSL_COMP; | 
 |  | 
 | STACK_OF(SSL_CIPHER); | 
 | STACK_OF(SSL_COMP); | 
 |  | 
 | /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/ | 
 | typedef struct srtp_protection_profile_st { | 
 |     const char *name; | 
 |     unsigned long id; | 
 | } SRTP_PROTECTION_PROFILE; | 
 |  | 
 | DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE) | 
 |  | 
 | typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, | 
 |                                             int len, void *arg); | 
 | typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, | 
 |                                         STACK_OF(SSL_CIPHER) *peer_ciphers, | 
 |                                         const SSL_CIPHER **cipher, void *arg); | 
 |  | 
 | /* Extension context codes */ | 
 | /* This extension is only allowed in TLS */ | 
 | #define SSL_EXT_TLS_ONLY                        0x0001 | 
 | /* This extension is only allowed in DTLS */ | 
 | #define SSL_EXT_DTLS_ONLY                       0x0002 | 
 | /* Some extensions may be allowed in DTLS but we don't implement them for it */ | 
 | #define SSL_EXT_TLS_IMPLEMENTATION_ONLY         0x0004 | 
 | /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */ | 
 | #define SSL_EXT_SSL3_ALLOWED                    0x0008 | 
 | /* Extension is only defined for TLS1.2 and below */ | 
 | #define SSL_EXT_TLS1_2_AND_BELOW_ONLY           0x0010 | 
 | /* Extension is only defined for TLS1.3 and above */ | 
 | #define SSL_EXT_TLS1_3_ONLY                     0x0020 | 
 | /* Ignore this extension during parsing if we are resuming */ | 
 | #define SSL_EXT_IGNORE_ON_RESUMPTION            0x0040 | 
 | #define SSL_EXT_CLIENT_HELLO                    0x0080 | 
 | /* Really means TLS1.2 or below */ | 
 | #define SSL_EXT_TLS1_2_SERVER_HELLO             0x0100 | 
 | #define SSL_EXT_TLS1_3_SERVER_HELLO             0x0200 | 
 | #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS     0x0400 | 
 | #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST      0x0800 | 
 | #define SSL_EXT_TLS1_3_CERTIFICATE              0x1000 | 
 | #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET       0x2000 | 
 | #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST      0x4000 | 
 |  | 
 | /* Typedefs for handling custom extensions */ | 
 |  | 
 | typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type, | 
 |                                  const unsigned char **out, size_t *outlen, | 
 |                                  int *al, void *add_arg); | 
 |  | 
 | typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type, | 
 |                                    const unsigned char *out, void *add_arg); | 
 |  | 
 | typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type, | 
 |                                    const unsigned char *in, size_t inlen, | 
 |                                    int *al, void *parse_arg); | 
 |  | 
 |  | 
 | typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type, | 
 |                                         unsigned int context, | 
 |                                         const unsigned char **out, | 
 |                                         size_t *outlen, X509 *x, | 
 |                                         size_t chainidx, | 
 |                                         int *al, void *add_arg); | 
 |  | 
 | typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type, | 
 |                                           unsigned int context, | 
 |                                           const unsigned char *out, | 
 |                                           void *add_arg); | 
 |  | 
 | typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type, | 
 |                                           unsigned int context, | 
 |                                           const unsigned char *in, | 
 |                                           size_t inlen, X509 *x, | 
 |                                           size_t chainidx, | 
 |                                           int *al, void *parse_arg); | 
 |  | 
 | /* Typedef for verification callback */ | 
 | typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx); | 
 |  | 
 | /* | 
 |  * Some values are reserved until OpenSSL 1.2.0 because they were previously | 
 |  * included in SSL_OP_ALL in a 1.1.x release. | 
 |  * | 
 |  * Reserved value (until OpenSSL 1.2.0)                  0x00000001U | 
 |  * Reserved value (until OpenSSL 1.2.0)                  0x00000002U | 
 |  */ | 
 | /* Allow initial connection to servers that don't support RI */ | 
 | # define SSL_OP_LEGACY_SERVER_CONNECT                    0x00000004U | 
 |  | 
 | /* Reserved value (until OpenSSL 1.2.0)                  0x00000008U */ | 
 | # define SSL_OP_TLSEXT_PADDING                           0x00000010U | 
 | /* Reserved value (until OpenSSL 1.2.0)                  0x00000020U */ | 
 | # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG                   0x00000040U | 
 | /* | 
 |  * Reserved value (until OpenSSL 1.2.0)                  0x00000080U | 
 |  * Reserved value (until OpenSSL 1.2.0)                  0x00000100U | 
 |  * Reserved value (until OpenSSL 1.2.0)                  0x00000200U | 
 |  */ | 
 |  | 
 | /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */ | 
 | # define SSL_OP_ALLOW_NO_DHE_KEX                         0x00000400U | 
 |  | 
 | /* | 
 |  * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in | 
 |  * OpenSSL 0.9.6d.  Usually (depending on the application protocol) the | 
 |  * workaround is not needed.  Unfortunately some broken SSL/TLS | 
 |  * implementations cannot handle it at all, which is why we include it in | 
 |  * SSL_OP_ALL. Added in 0.9.6e | 
 |  */ | 
 | # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800U | 
 |  | 
 | /* DTLS options */ | 
 | # define SSL_OP_NO_QUERY_MTU                             0x00001000U | 
 | /* Turn on Cookie Exchange (on relevant for servers) */ | 
 | # define SSL_OP_COOKIE_EXCHANGE                          0x00002000U | 
 | /* Don't use RFC4507 ticket extension */ | 
 | # define SSL_OP_NO_TICKET                                0x00004000U | 
 | # ifndef OPENSSL_NO_DTLS1_METHOD | 
 | /* Use Cisco's "speshul" version of DTLS_BAD_VER | 
 |  * (only with deprecated DTLSv1_client_method())  */ | 
 | #  define SSL_OP_CISCO_ANYCONNECT                        0x00008000U | 
 | # endif | 
 |  | 
 | /* As server, disallow session resumption on renegotiation */ | 
 | # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION   0x00010000U | 
 | /* Don't use compression even if supported */ | 
 | # define SSL_OP_NO_COMPRESSION                           0x00020000U | 
 | /* Permit unsafe legacy renegotiation */ | 
 | # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION        0x00040000U | 
 | /* Disable encrypt-then-mac */ | 
 | # define SSL_OP_NO_ENCRYPT_THEN_MAC                      0x00080000U | 
 |  | 
 | /* | 
 |  * Enable TLSv1.3 Compatibility mode. This is on by default. A future version | 
 |  * of OpenSSL may have this disabled by default. | 
 |  */ | 
 | # define SSL_OP_ENABLE_MIDDLEBOX_COMPAT                  0x00100000U | 
 |  | 
 | /* Prioritize Chacha20Poly1305 when client does. | 
 |  * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */ | 
 | # define SSL_OP_PRIORITIZE_CHACHA                        0x00200000U | 
 |  | 
 | /* | 
 |  * Set on servers to choose the cipher according to the server's preferences | 
 |  */ | 
 | # define SSL_OP_CIPHER_SERVER_PREFERENCE                 0x00400000U | 
 | /* | 
 |  * If set, a server will allow a client to issue a SSLv3.0 version number as | 
 |  * latest version supported in the premaster secret, even when TLSv1.0 | 
 |  * (version 3.1) was announced in the client hello. Normally this is | 
 |  * forbidden to prevent version rollback attacks. | 
 |  */ | 
 | # define SSL_OP_TLS_ROLLBACK_BUG                         0x00800000U | 
 |  | 
 | /* | 
 |  * Switches off automatic TLSv1.3 anti-replay protection for early data. This | 
 |  * is a server-side option only (no effect on the client). | 
 |  */ | 
 | # define SSL_OP_NO_ANTI_REPLAY                           0x01000000U | 
 |  | 
 | # define SSL_OP_NO_SSLv3                                 0x02000000U | 
 | # define SSL_OP_NO_TLSv1                                 0x04000000U | 
 | # define SSL_OP_NO_TLSv1_2                               0x08000000U | 
 | # define SSL_OP_NO_TLSv1_1                               0x10000000U | 
 | # define SSL_OP_NO_TLSv1_3                               0x20000000U | 
 |  | 
 | # define SSL_OP_NO_DTLSv1                                0x04000000U | 
 | # define SSL_OP_NO_DTLSv1_2                              0x08000000U | 
 |  | 
 | # define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\ | 
 |         SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3) | 
 | # define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2) | 
 |  | 
 | /* Disallow all renegotiation */ | 
 | # define SSL_OP_NO_RENEGOTIATION                         0x40000000U | 
 |  | 
 | /* | 
 |  * Make server add server-hello extension from early version of cryptopro | 
 |  * draft, when GOST ciphersuite is negotiated. Required for interoperability | 
 |  * with CryptoPro CSP 3.x | 
 |  */ | 
 | # define SSL_OP_CRYPTOPRO_TLSEXT_BUG                     0x80000000U | 
 |  | 
 | /* | 
 |  * SSL_OP_ALL: various bug workarounds that should be rather harmless. | 
 |  * This used to be 0x000FFFFFL before 0.9.7. | 
 |  * This used to be 0x80000BFFU before 1.1.1. | 
 |  */ | 
 | # define SSL_OP_ALL        (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\ | 
 |                             SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\ | 
 |                             SSL_OP_LEGACY_SERVER_CONNECT|\ | 
 |                             SSL_OP_TLSEXT_PADDING|\ | 
 |                             SSL_OP_SAFARI_ECDHE_ECDSA_BUG) | 
 |  | 
 | /* OBSOLETE OPTIONS: retained for compatibility */ | 
 |  | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000001L */ | 
 | /* Related to removed SSLv2. */ | 
 | # define SSL_OP_MICROSOFT_SESS_ID_BUG                    0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000002L */ | 
 | /* Related to removed SSLv2. */ | 
 | # define SSL_OP_NETSCAPE_CHALLENGE_BUG                   0x0 | 
 | /* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */ | 
 | /* Dead forever, see CVE-2010-4180 */ | 
 | # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG         0x0 | 
 | /* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */ | 
 | /* Refers to ancient SSLREF and SSLv2. */ | 
 | # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG              0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000020 */ | 
 | # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER               0x0 | 
 | /* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */ | 
 | # define SSL_OP_MSIE_SSLV2_RSA_PADDING                   0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000080 */ | 
 | /* Ancient SSLeay version. */ | 
 | # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG                 0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000100L */ | 
 | # define SSL_OP_TLS_D5_BUG                               0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00000200L */ | 
 | # define SSL_OP_TLS_BLOCK_PADDING_BUG                    0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00080000L */ | 
 | # define SSL_OP_SINGLE_ECDH_USE                          0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x00100000L */ | 
 | # define SSL_OP_SINGLE_DH_USE                            0x0 | 
 | /* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */ | 
 | # define SSL_OP_EPHEMERAL_RSA                            0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x01000000L */ | 
 | # define SSL_OP_NO_SSLv2                                 0x0 | 
 | /* Removed from OpenSSL 1.0.1. Was 0x08000000L */ | 
 | # define SSL_OP_PKCS1_CHECK_1                            0x0 | 
 | /* Removed from OpenSSL 1.0.1. Was 0x10000000L */ | 
 | # define SSL_OP_PKCS1_CHECK_2                            0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x20000000L */ | 
 | # define SSL_OP_NETSCAPE_CA_DN_BUG                       0x0 | 
 | /* Removed from OpenSSL 1.1.0. Was 0x40000000L */ | 
 | # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG          0x0 | 
 |  | 
 | /* | 
 |  * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success | 
 |  * when just a single record has been written): | 
 |  */ | 
 | # define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001U | 
 | /* | 
 |  * Make it possible to retry SSL_write() with changed buffer location (buffer | 
 |  * contents must stay the same!); this is not the default to avoid the | 
 |  * misconception that non-blocking SSL_write() behaves like non-blocking | 
 |  * write(): | 
 |  */ | 
 | # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U | 
 | /* | 
 |  * Never bother the application with retries if the transport is blocking: | 
 |  */ | 
 | # define SSL_MODE_AUTO_RETRY 0x00000004U | 
 | /* Don't attempt to automatically build certificate chain */ | 
 | # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U | 
 | /* | 
 |  * Save RAM by releasing read and write buffers when they're empty. (SSL3 and | 
 |  * TLS only.) Released buffers are freed. | 
 |  */ | 
 | # define SSL_MODE_RELEASE_BUFFERS 0x00000010U | 
 | /* | 
 |  * Send the current time in the Random fields of the ClientHello and | 
 |  * ServerHello records for compatibility with hypothetical implementations | 
 |  * that require it. | 
 |  */ | 
 | # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U | 
 | # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U | 
 | /* | 
 |  * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications | 
 |  * that reconnect with a downgraded protocol version; see | 
 |  * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your | 
 |  * application attempts a normal handshake. Only use this in explicit | 
 |  * fallback retries, following the guidance in | 
 |  * draft-ietf-tls-downgrade-scsv-00. | 
 |  */ | 
 | # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U | 
 | /* | 
 |  * Support Asynchronous operation | 
 |  */ | 
 | # define SSL_MODE_ASYNC 0x00000100U | 
 |  | 
 | /* | 
 |  * When using DTLS/SCTP, include the terminating zero in the label | 
 |  * used for computing the endpoint-pair shared secret. Required for | 
 |  * interoperability with implementations having this bug like these | 
 |  * older version of OpenSSL: | 
 |  * - OpenSSL 1.0.0 series | 
 |  * - OpenSSL 1.0.1 series | 
 |  * - OpenSSL 1.0.2 series | 
 |  * - OpenSSL 1.1.0 series | 
 |  * - OpenSSL 1.1.1 and 1.1.1a | 
 |  */ | 
 | # define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U | 
 |  | 
 | /* Cert related flags */ | 
 | /* | 
 |  * Many implementations ignore some aspects of the TLS standards such as | 
 |  * enforcing certificate chain algorithms. When this is set we enforce them. | 
 |  */ | 
 | # define SSL_CERT_FLAG_TLS_STRICT                0x00000001U | 
 |  | 
 | /* Suite B modes, takes same values as certificate verify flags */ | 
 | # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY       0x10000 | 
 | /* Suite B 192 bit only mode */ | 
 | # define SSL_CERT_FLAG_SUITEB_192_LOS            0x20000 | 
 | /* Suite B 128 bit mode allowing 192 bit algorithms */ | 
 | # define SSL_CERT_FLAG_SUITEB_128_LOS            0x30000 | 
 |  | 
 | /* Perform all sorts of protocol violations for testing purposes */ | 
 | # define SSL_CERT_FLAG_BROKEN_PROTOCOL           0x10000000 | 
 |  | 
 | /* Flags for building certificate chains */ | 
 | /* Treat any existing certificates as untrusted CAs */ | 
 | # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED          0x1 | 
 | /* Don't include root CA in chain */ | 
 | # define SSL_BUILD_CHAIN_FLAG_NO_ROOT            0x2 | 
 | /* Just check certificates already there */ | 
 | # define SSL_BUILD_CHAIN_FLAG_CHECK              0x4 | 
 | /* Ignore verification errors */ | 
 | # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR       0x8 | 
 | /* Clear verification errors from queue */ | 
 | # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR        0x10 | 
 |  | 
 | /* Flags returned by SSL_check_chain */ | 
 | /* Certificate can be used with this session */ | 
 | # define CERT_PKEY_VALID         0x1 | 
 | /* Certificate can also be used for signing */ | 
 | # define CERT_PKEY_SIGN          0x2 | 
 | /* EE certificate signing algorithm OK */ | 
 | # define CERT_PKEY_EE_SIGNATURE  0x10 | 
 | /* CA signature algorithms OK */ | 
 | # define CERT_PKEY_CA_SIGNATURE  0x20 | 
 | /* EE certificate parameters OK */ | 
 | # define CERT_PKEY_EE_PARAM      0x40 | 
 | /* CA certificate parameters OK */ | 
 | # define CERT_PKEY_CA_PARAM      0x80 | 
 | /* Signing explicitly allowed as opposed to SHA1 fallback */ | 
 | # define CERT_PKEY_EXPLICIT_SIGN 0x100 | 
 | /* Client CA issuer names match (always set for server cert) */ | 
 | # define CERT_PKEY_ISSUER_NAME   0x200 | 
 | /* Cert type matches client types (always set for server cert) */ | 
 | # define CERT_PKEY_CERT_TYPE     0x400 | 
 | /* Cert chain suitable to Suite B */ | 
 | # define CERT_PKEY_SUITEB        0x800 | 
 |  | 
 | # define SSL_CONF_FLAG_CMDLINE           0x1 | 
 | # define SSL_CONF_FLAG_FILE              0x2 | 
 | # define SSL_CONF_FLAG_CLIENT            0x4 | 
 | # define SSL_CONF_FLAG_SERVER            0x8 | 
 | # define SSL_CONF_FLAG_SHOW_ERRORS       0x10 | 
 | # define SSL_CONF_FLAG_CERTIFICATE       0x20 | 
 | # define SSL_CONF_FLAG_REQUIRE_PRIVATE   0x40 | 
 | /* Configuration value types */ | 
 | # define SSL_CONF_TYPE_UNKNOWN           0x0 | 
 | # define SSL_CONF_TYPE_STRING            0x1 | 
 | # define SSL_CONF_TYPE_FILE              0x2 | 
 | # define SSL_CONF_TYPE_DIR               0x3 | 
 | # define SSL_CONF_TYPE_NONE              0x4 | 
 |  | 
 | /* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */ | 
 | # define SSL_COOKIE_LENGTH                       4096 | 
 |  | 
 | /* | 
 |  * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they | 
 |  * cannot be used to clear bits. | 
 |  */ | 
 |  | 
 | unsigned long SSL_CTX_get_options(const SSL_CTX *ctx); | 
 | unsigned long SSL_get_options(const SSL *s); | 
 | unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op); | 
 | unsigned long SSL_clear_options(SSL *s, unsigned long op); | 
 | unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op); | 
 | unsigned long SSL_set_options(SSL *s, unsigned long op); | 
 |  | 
 | # define SSL_CTX_set_mode(ctx,op) \ | 
 |         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL) | 
 | # define SSL_CTX_clear_mode(ctx,op) \ | 
 |         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL) | 
 | # define SSL_CTX_get_mode(ctx) \ | 
 |         SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL) | 
 | # define SSL_clear_mode(ssl,op) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL) | 
 | # define SSL_set_mode(ssl,op) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL) | 
 | # define SSL_get_mode(ssl) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL) | 
 | # define SSL_set_mtu(ssl, mtu) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL) | 
 | # define DTLS_set_link_mtu(ssl, mtu) \ | 
 |         SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL) | 
 | # define DTLS_get_link_min_mtu(ssl) \ | 
 |         SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL) | 
 |  | 
 | # define SSL_get_secure_renegotiation_support(ssl) \ | 
 |         SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL) | 
 |  | 
 | # ifndef OPENSSL_NO_HEARTBEATS | 
 | #  define SSL_heartbeat(ssl) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT,0,NULL) | 
 | # endif | 
 |  | 
 | # define SSL_CTX_set_cert_flags(ctx,op) \ | 
 |         SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL) | 
 | # define SSL_set_cert_flags(s,op) \ | 
 |         SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL) | 
 | # define SSL_CTX_clear_cert_flags(ctx,op) \ | 
 |         SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL) | 
 | # define SSL_clear_cert_flags(s,op) \ | 
 |         SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL) | 
 |  | 
 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, | 
 |                               void (*cb) (int write_p, int version, | 
 |                                           int content_type, const void *buf, | 
 |                                           size_t len, SSL *ssl, void *arg)); | 
 | void SSL_set_msg_callback(SSL *ssl, | 
 |                           void (*cb) (int write_p, int version, | 
 |                                       int content_type, const void *buf, | 
 |                                       size_t len, SSL *ssl, void *arg)); | 
 | # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg)) | 
 | # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg)) | 
 |  | 
 | # define SSL_get_extms_support(s) \ | 
 |         SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL) | 
 |  | 
 | # ifndef OPENSSL_NO_SRP | 
 |  | 
 | /* see tls_srp.c */ | 
 | __owur int SSL_SRP_CTX_init(SSL *s); | 
 | __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx); | 
 | int SSL_SRP_CTX_free(SSL *ctx); | 
 | int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx); | 
 | __owur int SSL_srp_server_param_with_username(SSL *s, int *ad); | 
 | __owur int SRP_Calc_A_param(SSL *s); | 
 |  | 
 | # endif | 
 |  | 
 | /* 100k max cert list */ | 
 | # define SSL_MAX_CERT_LIST_DEFAULT 1024*100 | 
 |  | 
 | # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT      (1024*20) | 
 |  | 
 | /* | 
 |  * This callback type is used inside SSL_CTX, SSL, and in the functions that | 
 |  * set them. It is used to override the generation of SSL/TLS session IDs in | 
 |  * a server. Return value should be zero on an error, non-zero to proceed. | 
 |  * Also, callbacks should themselves check if the id they generate is unique | 
 |  * otherwise the SSL handshake will fail with an error - callbacks can do | 
 |  * this using the 'ssl' value they're passed by; | 
 |  * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in | 
 |  * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32 | 
 |  * bytes. The callback can alter this length to be less if desired. It is | 
 |  * also an error for the callback to set the size to zero. | 
 |  */ | 
 | typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id, | 
 |                                unsigned int *id_len); | 
 |  | 
 | # define SSL_SESS_CACHE_OFF                      0x0000 | 
 | # define SSL_SESS_CACHE_CLIENT                   0x0001 | 
 | # define SSL_SESS_CACHE_SERVER                   0x0002 | 
 | # define SSL_SESS_CACHE_BOTH     (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER) | 
 | # define SSL_SESS_CACHE_NO_AUTO_CLEAR            0x0080 | 
 | /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */ | 
 | # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP       0x0100 | 
 | # define SSL_SESS_CACHE_NO_INTERNAL_STORE        0x0200 | 
 | # define SSL_SESS_CACHE_NO_INTERNAL \ | 
 |         (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE) | 
 |  | 
 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx); | 
 | # define SSL_CTX_sess_number(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL) | 
 | # define SSL_CTX_sess_connect(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL) | 
 | # define SSL_CTX_sess_connect_good(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL) | 
 | # define SSL_CTX_sess_connect_renegotiate(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL) | 
 | # define SSL_CTX_sess_accept(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL) | 
 | # define SSL_CTX_sess_accept_renegotiate(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL) | 
 | # define SSL_CTX_sess_accept_good(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL) | 
 | # define SSL_CTX_sess_hits(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL) | 
 | # define SSL_CTX_sess_cb_hits(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL) | 
 | # define SSL_CTX_sess_misses(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL) | 
 | # define SSL_CTX_sess_timeouts(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL) | 
 | # define SSL_CTX_sess_cache_full(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL) | 
 |  | 
 | void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, | 
 |                              int (*new_session_cb) (struct ssl_st *ssl, | 
 |                                                     SSL_SESSION *sess)); | 
 | int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl, | 
 |                                               SSL_SESSION *sess); | 
 | void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, | 
 |                                 void (*remove_session_cb) (struct ssl_ctx_st | 
 |                                                            *ctx, | 
 |                                                            SSL_SESSION *sess)); | 
 | void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx, | 
 |                                                   SSL_SESSION *sess); | 
 | void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, | 
 |                              SSL_SESSION *(*get_session_cb) (struct ssl_st | 
 |                                                              *ssl, | 
 |                                                              const unsigned char | 
 |                                                              *data, int len, | 
 |                                                              int *copy)); | 
 | SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl, | 
 |                                                        const unsigned char *data, | 
 |                                                        int len, int *copy); | 
 | void SSL_CTX_set_info_callback(SSL_CTX *ctx, | 
 |                                void (*cb) (const SSL *ssl, int type, int val)); | 
 | void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type, | 
 |                                                  int val); | 
 | void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, | 
 |                                 int (*client_cert_cb) (SSL *ssl, X509 **x509, | 
 |                                                        EVP_PKEY **pkey)); | 
 | int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509, | 
 |                                                  EVP_PKEY **pkey); | 
 | # ifndef OPENSSL_NO_ENGINE | 
 | __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e); | 
 | # endif | 
 | void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, | 
 |                                     int (*app_gen_cookie_cb) (SSL *ssl, | 
 |                                                               unsigned char | 
 |                                                               *cookie, | 
 |                                                               unsigned int | 
 |                                                               *cookie_len)); | 
 | void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, | 
 |                                   int (*app_verify_cookie_cb) (SSL *ssl, | 
 |                                                                const unsigned | 
 |                                                                char *cookie, | 
 |                                                                unsigned int | 
 |                                                                cookie_len)); | 
 |  | 
 | void SSL_CTX_set_stateless_cookie_generate_cb( | 
 |     SSL_CTX *ctx, | 
 |     int (*gen_stateless_cookie_cb) (SSL *ssl, | 
 |                                     unsigned char *cookie, | 
 |                                     size_t *cookie_len)); | 
 | void SSL_CTX_set_stateless_cookie_verify_cb( | 
 |     SSL_CTX *ctx, | 
 |     int (*verify_stateless_cookie_cb) (SSL *ssl, | 
 |                                        const unsigned char *cookie, | 
 |                                        size_t cookie_len)); | 
 | # ifndef OPENSSL_NO_NEXTPROTONEG | 
 |  | 
 | typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl, | 
 |                                               const unsigned char **out, | 
 |                                               unsigned int *outlen, | 
 |                                               void *arg); | 
 | void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, | 
 |                                            SSL_CTX_npn_advertised_cb_func cb, | 
 |                                            void *arg); | 
 | #  define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb | 
 |  | 
 | typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s, | 
 |                                           unsigned char **out, | 
 |                                           unsigned char *outlen, | 
 |                                           const unsigned char *in, | 
 |                                           unsigned int inlen, | 
 |                                           void *arg); | 
 | void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, | 
 |                                       SSL_CTX_npn_select_cb_func cb, | 
 |                                       void *arg); | 
 | #  define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb | 
 |  | 
 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, | 
 |                                     unsigned *len); | 
 | #  define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated | 
 | # endif | 
 |  | 
 | __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, | 
 |                                  const unsigned char *in, unsigned int inlen, | 
 |                                  const unsigned char *client, | 
 |                                  unsigned int client_len); | 
 |  | 
 | # define OPENSSL_NPN_UNSUPPORTED 0 | 
 | # define OPENSSL_NPN_NEGOTIATED  1 | 
 | # define OPENSSL_NPN_NO_OVERLAP  2 | 
 |  | 
 | __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | 
 |                                    unsigned int protos_len); | 
 | __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | 
 |                                unsigned int protos_len); | 
 | typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl, | 
 |                                            const unsigned char **out, | 
 |                                            unsigned char *outlen, | 
 |                                            const unsigned char *in, | 
 |                                            unsigned int inlen, | 
 |                                            void *arg); | 
 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | 
 |                                 SSL_CTX_alpn_select_cb_func cb, | 
 |                                 void *arg); | 
 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, | 
 |                             unsigned int *len); | 
 |  | 
 | # ifndef OPENSSL_NO_PSK | 
 | /* | 
 |  * the maximum length of the buffer given to callbacks containing the | 
 |  * resulting identity/psk | 
 |  */ | 
 | #  define PSK_MAX_IDENTITY_LEN 128 | 
 | #  define PSK_MAX_PSK_LEN 256 | 
 | typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl, | 
 |                                                const char *hint, | 
 |                                                char *identity, | 
 |                                                unsigned int max_identity_len, | 
 |                                                unsigned char *psk, | 
 |                                                unsigned int max_psk_len); | 
 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb); | 
 | void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb); | 
 |  | 
 | typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl, | 
 |                                                const char *identity, | 
 |                                                unsigned char *psk, | 
 |                                                unsigned int max_psk_len); | 
 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb); | 
 | void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb); | 
 |  | 
 | __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint); | 
 | __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint); | 
 | const char *SSL_get_psk_identity_hint(const SSL *s); | 
 | const char *SSL_get_psk_identity(const SSL *s); | 
 | # endif | 
 |  | 
 | typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl, | 
 |                                             const unsigned char *identity, | 
 |                                             size_t identity_len, | 
 |                                             SSL_SESSION **sess); | 
 | typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md, | 
 |                                            const unsigned char **id, | 
 |                                            size_t *idlen, | 
 |                                            SSL_SESSION **sess); | 
 |  | 
 | void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb); | 
 | void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, | 
 |                                            SSL_psk_find_session_cb_func cb); | 
 | void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb); | 
 | void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, | 
 |                                           SSL_psk_use_session_cb_func cb); | 
 |  | 
 | /* Register callbacks to handle custom TLS Extensions for client or server. */ | 
 |  | 
 | __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, | 
 |                                          unsigned int ext_type); | 
 |  | 
 | __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, | 
 |                                          unsigned int ext_type, | 
 |                                          custom_ext_add_cb add_cb, | 
 |                                          custom_ext_free_cb free_cb, | 
 |                                          void *add_arg, | 
 |                                          custom_ext_parse_cb parse_cb, | 
 |                                          void *parse_arg); | 
 |  | 
 | __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, | 
 |                                          unsigned int ext_type, | 
 |                                          custom_ext_add_cb add_cb, | 
 |                                          custom_ext_free_cb free_cb, | 
 |                                          void *add_arg, | 
 |                                          custom_ext_parse_cb parse_cb, | 
 |                                          void *parse_arg); | 
 |  | 
 | __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type, | 
 |                                   unsigned int context, | 
 |                                   SSL_custom_ext_add_cb_ex add_cb, | 
 |                                   SSL_custom_ext_free_cb_ex free_cb, | 
 |                                   void *add_arg, | 
 |                                   SSL_custom_ext_parse_cb_ex parse_cb, | 
 |                                   void *parse_arg); | 
 |  | 
 | __owur int SSL_extension_supported(unsigned int ext_type); | 
 |  | 
 | # define SSL_NOTHING            1 | 
 | # define SSL_WRITING            2 | 
 | # define SSL_READING            3 | 
 | # define SSL_X509_LOOKUP        4 | 
 | # define SSL_ASYNC_PAUSED       5 | 
 | # define SSL_ASYNC_NO_JOBS      6 | 
 | # define SSL_CLIENT_HELLO_CB    7 | 
 |  | 
 | /* These will only be used when doing non-blocking IO */ | 
 | # define SSL_want_nothing(s)         (SSL_want(s) == SSL_NOTHING) | 
 | # define SSL_want_read(s)            (SSL_want(s) == SSL_READING) | 
 | # define SSL_want_write(s)           (SSL_want(s) == SSL_WRITING) | 
 | # define SSL_want_x509_lookup(s)     (SSL_want(s) == SSL_X509_LOOKUP) | 
 | # define SSL_want_async(s)           (SSL_want(s) == SSL_ASYNC_PAUSED) | 
 | # define SSL_want_async_job(s)       (SSL_want(s) == SSL_ASYNC_NO_JOBS) | 
 | # define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB) | 
 |  | 
 | # define SSL_MAC_FLAG_READ_MAC_STREAM 1 | 
 | # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2 | 
 |  | 
 | /* | 
 |  * A callback for logging out TLS key material. This callback should log out | 
 |  * |line| followed by a newline. | 
 |  */ | 
 | typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line); | 
 |  | 
 | /* | 
 |  * SSL_CTX_set_keylog_callback configures a callback to log key material. This | 
 |  * is intended for debugging use with tools like Wireshark. The cb function | 
 |  * should log line followed by a newline. | 
 |  */ | 
 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb); | 
 |  | 
 | /* | 
 |  * SSL_CTX_get_keylog_callback returns the callback configured by | 
 |  * SSL_CTX_set_keylog_callback. | 
 |  */ | 
 | SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx); | 
 |  | 
 | int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data); | 
 | uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx); | 
 | int SSL_set_max_early_data(SSL *s, uint32_t max_early_data); | 
 | uint32_t SSL_get_max_early_data(const SSL *s); | 
 | int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data); | 
 | uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx); | 
 | int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data); | 
 | uint32_t SSL_get_recv_max_early_data(const SSL *s); | 
 |  | 
 | #ifdef __cplusplus | 
 | } | 
 | #endif | 
 |  | 
 | # include <openssl/ssl2.h> | 
 | # include <openssl/ssl3.h> | 
 | # include <openssl/tls1.h>      /* This is mostly sslv3 with a few tweaks */ | 
 | # include <openssl/dtls1.h>     /* Datagram TLS */ | 
 | # include <openssl/srtp.h>      /* Support for the use_srtp extension */ | 
 |  | 
 | #ifdef  __cplusplus | 
 | extern "C" { | 
 | #endif | 
 |  | 
 | /* | 
 |  * These need to be after the above set of includes due to a compiler bug | 
 |  * in VisualStudio 2015 | 
 |  */ | 
 | DEFINE_STACK_OF_CONST(SSL_CIPHER) | 
 | DEFINE_STACK_OF(SSL_COMP) | 
 |  | 
 | /* compatibility */ | 
 | # define SSL_set_app_data(s,arg)         (SSL_set_ex_data(s,0,(char *)(arg))) | 
 | # define SSL_get_app_data(s)             (SSL_get_ex_data(s,0)) | 
 | # define SSL_SESSION_set_app_data(s,a)   (SSL_SESSION_set_ex_data(s,0, \ | 
 |                                                                   (char *)(a))) | 
 | # define SSL_SESSION_get_app_data(s)     (SSL_SESSION_get_ex_data(s,0)) | 
 | # define SSL_CTX_get_app_data(ctx)       (SSL_CTX_get_ex_data(ctx,0)) | 
 | # define SSL_CTX_set_app_data(ctx,arg)   (SSL_CTX_set_ex_data(ctx,0, \ | 
 |                                                               (char *)(arg))) | 
 | DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL *s, int debug)) | 
 |  | 
 | /* TLSv1.3 KeyUpdate message types */ | 
 | /* -1 used so that this is an invalid value for the on-the-wire protocol */ | 
 | #define SSL_KEY_UPDATE_NONE             -1 | 
 | /* Values as defined for the on-the-wire protocol */ | 
 | #define SSL_KEY_UPDATE_NOT_REQUESTED     0 | 
 | #define SSL_KEY_UPDATE_REQUESTED         1 | 
 |  | 
 | /* | 
 |  * The valid handshake states (one for each type message sent and one for each | 
 |  * type of message received). There are also two "special" states: | 
 |  * TLS = TLS or DTLS state | 
 |  * DTLS = DTLS specific state | 
 |  * CR/SR = Client Read/Server Read | 
 |  * CW/SW = Client Write/Server Write | 
 |  * | 
 |  * The "special" states are: | 
 |  * TLS_ST_BEFORE = No handshake has been initiated yet | 
 |  * TLS_ST_OK = A handshake has been successfully completed | 
 |  */ | 
 | typedef enum { | 
 |     TLS_ST_BEFORE, | 
 |     TLS_ST_OK, | 
 |     DTLS_ST_CR_HELLO_VERIFY_REQUEST, | 
 |     TLS_ST_CR_SRVR_HELLO, | 
 |     TLS_ST_CR_CERT, | 
 |     TLS_ST_CR_CERT_STATUS, | 
 |     TLS_ST_CR_KEY_EXCH, | 
 |     TLS_ST_CR_CERT_REQ, | 
 |     TLS_ST_CR_SRVR_DONE, | 
 |     TLS_ST_CR_SESSION_TICKET, | 
 |     TLS_ST_CR_CHANGE, | 
 |     TLS_ST_CR_FINISHED, | 
 |     TLS_ST_CW_CLNT_HELLO, | 
 |     TLS_ST_CW_CERT, | 
 |     TLS_ST_CW_KEY_EXCH, | 
 |     TLS_ST_CW_CERT_VRFY, | 
 |     TLS_ST_CW_CHANGE, | 
 |     TLS_ST_CW_NEXT_PROTO, | 
 |     TLS_ST_CW_FINISHED, | 
 |     TLS_ST_SW_HELLO_REQ, | 
 |     TLS_ST_SR_CLNT_HELLO, | 
 |     DTLS_ST_SW_HELLO_VERIFY_REQUEST, | 
 |     TLS_ST_SW_SRVR_HELLO, | 
 |     TLS_ST_SW_CERT, | 
 |     TLS_ST_SW_KEY_EXCH, | 
 |     TLS_ST_SW_CERT_REQ, | 
 |     TLS_ST_SW_SRVR_DONE, | 
 |     TLS_ST_SR_CERT, | 
 |     TLS_ST_SR_KEY_EXCH, | 
 |     TLS_ST_SR_CERT_VRFY, | 
 |     TLS_ST_SR_NEXT_PROTO, | 
 |     TLS_ST_SR_CHANGE, | 
 |     TLS_ST_SR_FINISHED, | 
 |     TLS_ST_SW_SESSION_TICKET, | 
 |     TLS_ST_SW_CERT_STATUS, | 
 |     TLS_ST_SW_CHANGE, | 
 |     TLS_ST_SW_FINISHED, | 
 |     TLS_ST_SW_ENCRYPTED_EXTENSIONS, | 
 |     TLS_ST_CR_ENCRYPTED_EXTENSIONS, | 
 |     TLS_ST_CR_CERT_VRFY, | 
 |     TLS_ST_SW_CERT_VRFY, | 
 |     TLS_ST_CR_HELLO_REQ, | 
 |     TLS_ST_SW_KEY_UPDATE, | 
 |     TLS_ST_CW_KEY_UPDATE, | 
 |     TLS_ST_SR_KEY_UPDATE, | 
 |     TLS_ST_CR_KEY_UPDATE, | 
 |     TLS_ST_EARLY_DATA, | 
 |     TLS_ST_PENDING_EARLY_DATA_END, | 
 |     TLS_ST_CW_END_OF_EARLY_DATA, | 
 |     TLS_ST_SR_END_OF_EARLY_DATA | 
 | } OSSL_HANDSHAKE_STATE; | 
 |  | 
 | /* | 
 |  * Most of the following state values are no longer used and are defined to be | 
 |  * the closest equivalent value in the current state machine code. Not all | 
 |  * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT | 
 |  * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP, | 
 |  * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT. | 
 |  */ | 
 |  | 
 | # define SSL_ST_CONNECT                  0x1000 | 
 | # define SSL_ST_ACCEPT                   0x2000 | 
 |  | 
 | # define SSL_ST_MASK                     0x0FFF | 
 |  | 
 | # define SSL_CB_LOOP                     0x01 | 
 | # define SSL_CB_EXIT                     0x02 | 
 | # define SSL_CB_READ                     0x04 | 
 | # define SSL_CB_WRITE                    0x08 | 
 | # define SSL_CB_ALERT                    0x4000/* used in callback */ | 
 | # define SSL_CB_READ_ALERT               (SSL_CB_ALERT|SSL_CB_READ) | 
 | # define SSL_CB_WRITE_ALERT              (SSL_CB_ALERT|SSL_CB_WRITE) | 
 | # define SSL_CB_ACCEPT_LOOP              (SSL_ST_ACCEPT|SSL_CB_LOOP) | 
 | # define SSL_CB_ACCEPT_EXIT              (SSL_ST_ACCEPT|SSL_CB_EXIT) | 
 | # define SSL_CB_CONNECT_LOOP             (SSL_ST_CONNECT|SSL_CB_LOOP) | 
 | # define SSL_CB_CONNECT_EXIT             (SSL_ST_CONNECT|SSL_CB_EXIT) | 
 | # define SSL_CB_HANDSHAKE_START          0x10 | 
 | # define SSL_CB_HANDSHAKE_DONE           0x20 | 
 |  | 
 | /* Is the SSL_connection established? */ | 
 | # define SSL_in_connect_init(a)          (SSL_in_init(a) && !SSL_is_server(a)) | 
 | # define SSL_in_accept_init(a)           (SSL_in_init(a) && SSL_is_server(a)) | 
 | int SSL_in_init(const SSL *s); | 
 | int SSL_in_before(const SSL *s); | 
 | int SSL_is_init_finished(const SSL *s); | 
 |  | 
 | /* | 
 |  * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you | 
 |  * should not need these | 
 |  */ | 
 | # define SSL_ST_READ_HEADER                      0xF0 | 
 | # define SSL_ST_READ_BODY                        0xF1 | 
 | # define SSL_ST_READ_DONE                        0xF2 | 
 |  | 
 | /*- | 
 |  * Obtain latest Finished message | 
 |  *   -- that we sent (SSL_get_finished) | 
 |  *   -- that we expected from peer (SSL_get_peer_finished). | 
 |  * Returns length (0 == no Finished so far), copies up to 'count' bytes. | 
 |  */ | 
 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count); | 
 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count); | 
 |  | 
 | /* | 
 |  * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are | 
 |  * 'ored' with SSL_VERIFY_PEER if they are desired | 
 |  */ | 
 | # define SSL_VERIFY_NONE                 0x00 | 
 | # define SSL_VERIFY_PEER                 0x01 | 
 | # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02 | 
 | # define SSL_VERIFY_CLIENT_ONCE          0x04 | 
 | # define SSL_VERIFY_POST_HANDSHAKE       0x08 | 
 |  | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  define OpenSSL_add_ssl_algorithms()   SSL_library_init() | 
 | #  define SSLeay_add_ssl_algorithms()    SSL_library_init() | 
 | # endif | 
 |  | 
 | /* More backward compatibility */ | 
 | # define SSL_get_cipher(s) \ | 
 |                 SSL_CIPHER_get_name(SSL_get_current_cipher(s)) | 
 | # define SSL_get_cipher_bits(s,np) \ | 
 |                 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np) | 
 | # define SSL_get_cipher_version(s) \ | 
 |                 SSL_CIPHER_get_version(SSL_get_current_cipher(s)) | 
 | # define SSL_get_cipher_name(s) \ | 
 |                 SSL_CIPHER_get_name(SSL_get_current_cipher(s)) | 
 | # define SSL_get_time(a)         SSL_SESSION_get_time(a) | 
 | # define SSL_set_time(a,b)       SSL_SESSION_set_time((a),(b)) | 
 | # define SSL_get_timeout(a)      SSL_SESSION_get_timeout(a) | 
 | # define SSL_set_timeout(a,b)    SSL_SESSION_set_timeout((a),(b)) | 
 |  | 
 | # define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id) | 
 | # define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id) | 
 |  | 
 | DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION) | 
 | # define SSL_AD_REASON_OFFSET            1000/* offset to get SSL_R_... value | 
 |                                               * from SSL_AD_... */ | 
 | /* These alert types are for SSLv3 and TLSv1 */ | 
 | # define SSL_AD_CLOSE_NOTIFY             SSL3_AD_CLOSE_NOTIFY | 
 | /* fatal */ | 
 | # define SSL_AD_UNEXPECTED_MESSAGE       SSL3_AD_UNEXPECTED_MESSAGE | 
 | /* fatal */ | 
 | # define SSL_AD_BAD_RECORD_MAC           SSL3_AD_BAD_RECORD_MAC | 
 | # define SSL_AD_DECRYPTION_FAILED        TLS1_AD_DECRYPTION_FAILED | 
 | # define SSL_AD_RECORD_OVERFLOW          TLS1_AD_RECORD_OVERFLOW | 
 | /* fatal */ | 
 | # define SSL_AD_DECOMPRESSION_FAILURE    SSL3_AD_DECOMPRESSION_FAILURE | 
 | /* fatal */ | 
 | # define SSL_AD_HANDSHAKE_FAILURE        SSL3_AD_HANDSHAKE_FAILURE | 
 | /* Not for TLS */ | 
 | # define SSL_AD_NO_CERTIFICATE           SSL3_AD_NO_CERTIFICATE | 
 | # define SSL_AD_BAD_CERTIFICATE          SSL3_AD_BAD_CERTIFICATE | 
 | # define SSL_AD_UNSUPPORTED_CERTIFICATE  SSL3_AD_UNSUPPORTED_CERTIFICATE | 
 | # define SSL_AD_CERTIFICATE_REVOKED      SSL3_AD_CERTIFICATE_REVOKED | 
 | # define SSL_AD_CERTIFICATE_EXPIRED      SSL3_AD_CERTIFICATE_EXPIRED | 
 | # define SSL_AD_CERTIFICATE_UNKNOWN      SSL3_AD_CERTIFICATE_UNKNOWN | 
 | /* fatal */ | 
 | # define SSL_AD_ILLEGAL_PARAMETER        SSL3_AD_ILLEGAL_PARAMETER | 
 | /* fatal */ | 
 | # define SSL_AD_UNKNOWN_CA               TLS1_AD_UNKNOWN_CA | 
 | /* fatal */ | 
 | # define SSL_AD_ACCESS_DENIED            TLS1_AD_ACCESS_DENIED | 
 | /* fatal */ | 
 | # define SSL_AD_DECODE_ERROR             TLS1_AD_DECODE_ERROR | 
 | # define SSL_AD_DECRYPT_ERROR            TLS1_AD_DECRYPT_ERROR | 
 | /* fatal */ | 
 | # define SSL_AD_EXPORT_RESTRICTION       TLS1_AD_EXPORT_RESTRICTION | 
 | /* fatal */ | 
 | # define SSL_AD_PROTOCOL_VERSION         TLS1_AD_PROTOCOL_VERSION | 
 | /* fatal */ | 
 | # define SSL_AD_INSUFFICIENT_SECURITY    TLS1_AD_INSUFFICIENT_SECURITY | 
 | /* fatal */ | 
 | # define SSL_AD_INTERNAL_ERROR           TLS1_AD_INTERNAL_ERROR | 
 | # define SSL_AD_USER_CANCELLED           TLS1_AD_USER_CANCELLED | 
 | # define SSL_AD_NO_RENEGOTIATION         TLS1_AD_NO_RENEGOTIATION | 
 | # define SSL_AD_MISSING_EXTENSION        TLS13_AD_MISSING_EXTENSION | 
 | # define SSL_AD_CERTIFICATE_REQUIRED     TLS13_AD_CERTIFICATE_REQUIRED | 
 | # define SSL_AD_UNSUPPORTED_EXTENSION    TLS1_AD_UNSUPPORTED_EXTENSION | 
 | # define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE | 
 | # define SSL_AD_UNRECOGNIZED_NAME        TLS1_AD_UNRECOGNIZED_NAME | 
 | # define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE | 
 | # define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE | 
 | /* fatal */ | 
 | # define SSL_AD_UNKNOWN_PSK_IDENTITY     TLS1_AD_UNKNOWN_PSK_IDENTITY | 
 | /* fatal */ | 
 | # define SSL_AD_INAPPROPRIATE_FALLBACK   TLS1_AD_INAPPROPRIATE_FALLBACK | 
 | # define SSL_AD_NO_APPLICATION_PROTOCOL  TLS1_AD_NO_APPLICATION_PROTOCOL | 
 | # define SSL_ERROR_NONE                  0 | 
 | # define SSL_ERROR_SSL                   1 | 
 | # define SSL_ERROR_WANT_READ             2 | 
 | # define SSL_ERROR_WANT_WRITE            3 | 
 | # define SSL_ERROR_WANT_X509_LOOKUP      4 | 
 | # define SSL_ERROR_SYSCALL               5/* look at error stack/return | 
 |                                            * value/errno */ | 
 | # define SSL_ERROR_ZERO_RETURN           6 | 
 | # define SSL_ERROR_WANT_CONNECT          7 | 
 | # define SSL_ERROR_WANT_ACCEPT           8 | 
 | # define SSL_ERROR_WANT_ASYNC            9 | 
 | # define SSL_ERROR_WANT_ASYNC_JOB       10 | 
 | # define SSL_ERROR_WANT_CLIENT_HELLO_CB 11 | 
 | # define SSL_CTRL_SET_TMP_DH                     3 | 
 | # define SSL_CTRL_SET_TMP_ECDH                   4 | 
 | # define SSL_CTRL_SET_TMP_DH_CB                  6 | 
 | # define SSL_CTRL_GET_CLIENT_CERT_REQUEST        9 | 
 | # define SSL_CTRL_GET_NUM_RENEGOTIATIONS         10 | 
 | # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS       11 | 
 | # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS       12 | 
 | # define SSL_CTRL_GET_FLAGS                      13 | 
 | # define SSL_CTRL_EXTRA_CHAIN_CERT               14 | 
 | # define SSL_CTRL_SET_MSG_CALLBACK               15 | 
 | # define SSL_CTRL_SET_MSG_CALLBACK_ARG           16 | 
 | /* only applies to datagram connections */ | 
 | # define SSL_CTRL_SET_MTU                17 | 
 | /* Stats */ | 
 | # define SSL_CTRL_SESS_NUMBER                    20 | 
 | # define SSL_CTRL_SESS_CONNECT                   21 | 
 | # define SSL_CTRL_SESS_CONNECT_GOOD              22 | 
 | # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE       23 | 
 | # define SSL_CTRL_SESS_ACCEPT                    24 | 
 | # define SSL_CTRL_SESS_ACCEPT_GOOD               25 | 
 | # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE        26 | 
 | # define SSL_CTRL_SESS_HIT                       27 | 
 | # define SSL_CTRL_SESS_CB_HIT                    28 | 
 | # define SSL_CTRL_SESS_MISSES                    29 | 
 | # define SSL_CTRL_SESS_TIMEOUTS                  30 | 
 | # define SSL_CTRL_SESS_CACHE_FULL                31 | 
 | # define SSL_CTRL_MODE                           33 | 
 | # define SSL_CTRL_GET_READ_AHEAD                 40 | 
 | # define SSL_CTRL_SET_READ_AHEAD                 41 | 
 | # define SSL_CTRL_SET_SESS_CACHE_SIZE            42 | 
 | # define SSL_CTRL_GET_SESS_CACHE_SIZE            43 | 
 | # define SSL_CTRL_SET_SESS_CACHE_MODE            44 | 
 | # define SSL_CTRL_GET_SESS_CACHE_MODE            45 | 
 | # define SSL_CTRL_GET_MAX_CERT_LIST              50 | 
 | # define SSL_CTRL_SET_MAX_CERT_LIST              51 | 
 | # define SSL_CTRL_SET_MAX_SEND_FRAGMENT          52 | 
 | /* see tls1.h for macros based on these */ | 
 | # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB       53 | 
 | # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG      54 | 
 | # define SSL_CTRL_SET_TLSEXT_HOSTNAME            55 | 
 | # define SSL_CTRL_SET_TLSEXT_DEBUG_CB            56 | 
 | # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG           57 | 
 | # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS         58 | 
 | # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS         59 | 
 | /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT    60 */ | 
 | /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */ | 
 | /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */ | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB       63 | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG   64 | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE     65 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS     66 | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS     67 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS      68 | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS      69 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP        70 | 
 | # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP        71 | 
 | # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB       72 | 
 | # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB    75 | 
 | # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB                76 | 
 | # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB             77 | 
 | # define SSL_CTRL_SET_SRP_ARG            78 | 
 | # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME               79 | 
 | # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH               80 | 
 | # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD               81 | 
 | # ifndef OPENSSL_NO_HEARTBEATS | 
 | #  define SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT               85 | 
 | #  define SSL_CTRL_GET_DTLS_EXT_HEARTBEAT_PENDING        86 | 
 | #  define SSL_CTRL_SET_DTLS_EXT_HEARTBEAT_NO_REQUESTS    87 | 
 | # endif | 
 | # define DTLS_CTRL_GET_TIMEOUT           73 | 
 | # define DTLS_CTRL_HANDLE_TIMEOUT        74 | 
 | # define SSL_CTRL_GET_RI_SUPPORT                 76 | 
 | # define SSL_CTRL_CLEAR_MODE                     78 | 
 | # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB      79 | 
 | # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS          82 | 
 | # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS        83 | 
 | # define SSL_CTRL_CHAIN                          88 | 
 | # define SSL_CTRL_CHAIN_CERT                     89 | 
 | # define SSL_CTRL_GET_GROUPS                     90 | 
 | # define SSL_CTRL_SET_GROUPS                     91 | 
 | # define SSL_CTRL_SET_GROUPS_LIST                92 | 
 | # define SSL_CTRL_GET_SHARED_GROUP               93 | 
 | # define SSL_CTRL_SET_SIGALGS                    97 | 
 | # define SSL_CTRL_SET_SIGALGS_LIST               98 | 
 | # define SSL_CTRL_CERT_FLAGS                     99 | 
 | # define SSL_CTRL_CLEAR_CERT_FLAGS               100 | 
 | # define SSL_CTRL_SET_CLIENT_SIGALGS             101 | 
 | # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST        102 | 
 | # define SSL_CTRL_GET_CLIENT_CERT_TYPES          103 | 
 | # define SSL_CTRL_SET_CLIENT_CERT_TYPES          104 | 
 | # define SSL_CTRL_BUILD_CERT_CHAIN               105 | 
 | # define SSL_CTRL_SET_VERIFY_CERT_STORE          106 | 
 | # define SSL_CTRL_SET_CHAIN_CERT_STORE           107 | 
 | # define SSL_CTRL_GET_PEER_SIGNATURE_NID         108 | 
 | # define SSL_CTRL_GET_PEER_TMP_KEY               109 | 
 | # define SSL_CTRL_GET_RAW_CIPHERLIST             110 | 
 | # define SSL_CTRL_GET_EC_POINT_FORMATS           111 | 
 | # define SSL_CTRL_GET_CHAIN_CERTS                115 | 
 | # define SSL_CTRL_SELECT_CURRENT_CERT            116 | 
 | # define SSL_CTRL_SET_CURRENT_CERT               117 | 
 | # define SSL_CTRL_SET_DH_AUTO                    118 | 
 | # define DTLS_CTRL_SET_LINK_MTU                  120 | 
 | # define DTLS_CTRL_GET_LINK_MIN_MTU              121 | 
 | # define SSL_CTRL_GET_EXTMS_SUPPORT              122 | 
 | # define SSL_CTRL_SET_MIN_PROTO_VERSION          123 | 
 | # define SSL_CTRL_SET_MAX_PROTO_VERSION          124 | 
 | # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT        125 | 
 | # define SSL_CTRL_SET_MAX_PIPELINES              126 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE     127 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB       128 | 
 | # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG   129 | 
 | # define SSL_CTRL_GET_MIN_PROTO_VERSION          130 | 
 | # define SSL_CTRL_GET_MAX_PROTO_VERSION          131 | 
 | # define SSL_CTRL_GET_SIGNATURE_NID              132 | 
 | # define SSL_CTRL_GET_TMP_KEY                    133 | 
 | # define SSL_CTRL_GET_VERIFY_CERT_STORE          137 | 
 | # define SSL_CTRL_GET_CHAIN_CERT_STORE           138 | 
 | # define SSL_CERT_SET_FIRST                      1 | 
 | # define SSL_CERT_SET_NEXT                       2 | 
 | # define SSL_CERT_SET_SERVER                     3 | 
 | # define DTLSv1_get_timeout(ssl, arg) \ | 
 |         SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg)) | 
 | # define DTLSv1_handle_timeout(ssl) \ | 
 |         SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL) | 
 | # define SSL_num_renegotiations(ssl) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL) | 
 | # define SSL_clear_num_renegotiations(ssl) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL) | 
 | # define SSL_total_renegotiations(ssl) \ | 
 |         SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL) | 
 | # define SSL_CTX_set_tmp_dh(ctx,dh) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) | 
 | # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) | 
 | # define SSL_CTX_set_dh_auto(ctx, onoff) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL) | 
 | # define SSL_set_dh_auto(s, onoff) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL) | 
 | # define SSL_set_tmp_dh(ssl,dh) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) | 
 | # define SSL_set_tmp_ecdh(ssl,ecdh) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) | 
 | # define SSL_CTX_add_extra_chain_cert(ctx,x509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509)) | 
 | # define SSL_CTX_get_extra_chain_certs(ctx,px509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509) | 
 | # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509) | 
 | # define SSL_CTX_clear_extra_chain_certs(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL) | 
 | # define SSL_CTX_set0_chain(ctx,sk) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk)) | 
 | # define SSL_CTX_set1_chain(ctx,sk) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk)) | 
 | # define SSL_CTX_add0_chain_cert(ctx,x509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509)) | 
 | # define SSL_CTX_add1_chain_cert(ctx,x509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509)) | 
 | # define SSL_CTX_get0_chain_certs(ctx,px509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509) | 
 | # define SSL_CTX_clear_chain_certs(ctx) \ | 
 |         SSL_CTX_set0_chain(ctx,NULL) | 
 | # define SSL_CTX_build_cert_chain(ctx, flags) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL) | 
 | # define SSL_CTX_select_current_cert(ctx,x509) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509)) | 
 | # define SSL_CTX_set_current_cert(ctx, op) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL) | 
 | # define SSL_CTX_set0_verify_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_CTX_set1_verify_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st)) | 
 | # define SSL_CTX_get0_verify_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_CTX_set0_chain_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_CTX_set1_chain_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st)) | 
 | # define SSL_CTX_get0_chain_cert_store(ctx,st) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_set0_chain(s,sk) \ | 
 |         SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk)) | 
 | # define SSL_set1_chain(s,sk) \ | 
 |         SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk)) | 
 | # define SSL_add0_chain_cert(s,x509) \ | 
 |         SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509)) | 
 | # define SSL_add1_chain_cert(s,x509) \ | 
 |         SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509)) | 
 | # define SSL_get0_chain_certs(s,px509) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509) | 
 | # define SSL_clear_chain_certs(s) \ | 
 |         SSL_set0_chain(s,NULL) | 
 | # define SSL_build_cert_chain(s, flags) \ | 
 |         SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL) | 
 | # define SSL_select_current_cert(s,x509) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509)) | 
 | # define SSL_set_current_cert(s,op) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL) | 
 | # define SSL_set0_verify_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_set1_verify_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st)) | 
 | #define SSL_get0_verify_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_set0_chain_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_set1_chain_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st)) | 
 | #define SSL_get0_chain_cert_store(s,st) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st)) | 
 | # define SSL_get1_groups(s, glist) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist)) | 
 | # define SSL_CTX_set1_groups(ctx, glist, glistlen) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist)) | 
 | # define SSL_CTX_set1_groups_list(ctx, s) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s)) | 
 | # define SSL_set1_groups(s, glist, glistlen) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist)) | 
 | # define SSL_set1_groups_list(s, str) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str)) | 
 | # define SSL_get_shared_group(s, n) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL) | 
 | # define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist)) | 
 | # define SSL_CTX_set1_sigalgs_list(ctx, s) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s)) | 
 | # define SSL_set1_sigalgs(s, slist, slistlen) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist)) | 
 | # define SSL_set1_sigalgs_list(s, str) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str)) | 
 | # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist)) | 
 | # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s)) | 
 | # define SSL_set1_client_sigalgs(s, slist, slistlen) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist)) | 
 | # define SSL_set1_client_sigalgs_list(s, str) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str)) | 
 | # define SSL_get0_certificate_types(s, clist) \ | 
 |         SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist)) | 
 | # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \ | 
 |                      (char *)(clist)) | 
 | # define SSL_set1_client_certificate_types(s, clist, clistlen) \ | 
 |         SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist)) | 
 | # define SSL_get_signature_nid(s, pn) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn) | 
 | # define SSL_get_peer_signature_nid(s, pn) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn) | 
 | # define SSL_get_peer_tmp_key(s, pk) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk) | 
 | # define SSL_get_tmp_key(s, pk) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk) | 
 | # define SSL_get0_raw_cipherlist(s, plst) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst) | 
 | # define SSL_get0_ec_point_formats(s, plst) \ | 
 |         SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst) | 
 | # define SSL_CTX_set_min_proto_version(ctx, version) \ | 
 |         SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL) | 
 | # define SSL_CTX_set_max_proto_version(ctx, version) \ | 
 |         SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL) | 
 | # define SSL_CTX_get_min_proto_version(ctx) \ | 
 |         SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL) | 
 | # define SSL_CTX_get_max_proto_version(ctx) \ | 
 |         SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL) | 
 | # define SSL_set_min_proto_version(s, version) \ | 
 |         SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL) | 
 | # define SSL_set_max_proto_version(s, version) \ | 
 |         SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL) | 
 | # define SSL_get_min_proto_version(s) \ | 
 |         SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL) | 
 | # define SSL_get_max_proto_version(s) \ | 
 |         SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL) | 
 |  | 
 | /* Backwards compatibility, original 1.1.0 names */ | 
 | # define SSL_CTRL_GET_SERVER_TMP_KEY \ | 
 |          SSL_CTRL_GET_PEER_TMP_KEY | 
 | # define SSL_get_server_tmp_key(s, pk) \ | 
 |          SSL_get_peer_tmp_key(s, pk) | 
 |  | 
 | /* | 
 |  * The following symbol names are old and obsolete. They are kept | 
 |  * for compatibility reasons only and should not be used anymore. | 
 |  */ | 
 | # define SSL_CTRL_GET_CURVES           SSL_CTRL_GET_GROUPS | 
 | # define SSL_CTRL_SET_CURVES           SSL_CTRL_SET_GROUPS | 
 | # define SSL_CTRL_SET_CURVES_LIST      SSL_CTRL_SET_GROUPS_LIST | 
 | # define SSL_CTRL_GET_SHARED_CURVE     SSL_CTRL_GET_SHARED_GROUP | 
 |  | 
 | # define SSL_get1_curves               SSL_get1_groups | 
 | # define SSL_CTX_set1_curves           SSL_CTX_set1_groups | 
 | # define SSL_CTX_set1_curves_list      SSL_CTX_set1_groups_list | 
 | # define SSL_set1_curves               SSL_set1_groups | 
 | # define SSL_set1_curves_list          SSL_set1_groups_list | 
 | # define SSL_get_shared_curve          SSL_get_shared_group | 
 |  | 
 |  | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | /* Provide some compatibility macros for removed functionality. */ | 
 | #  define SSL_CTX_need_tmp_RSA(ctx)                0 | 
 | #  define SSL_CTX_set_tmp_rsa(ctx,rsa)             1 | 
 | #  define SSL_need_tmp_RSA(ssl)                    0 | 
 | #  define SSL_set_tmp_rsa(ssl,rsa)                 1 | 
 | #  define SSL_CTX_set_ecdh_auto(dummy, onoff)      ((onoff) != 0) | 
 | #  define SSL_set_ecdh_auto(dummy, onoff)          ((onoff) != 0) | 
 | /* | 
 |  * We "pretend" to call the callback to avoid warnings about unused static | 
 |  * functions. | 
 |  */ | 
 | #  define SSL_CTX_set_tmp_rsa_callback(ctx, cb)    while(0) (cb)(NULL, 0, 0) | 
 | #  define SSL_set_tmp_rsa_callback(ssl, cb)        while(0) (cb)(NULL, 0, 0) | 
 | # endif | 
 | __owur const BIO_METHOD *BIO_f_ssl(void); | 
 | __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client); | 
 | __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx); | 
 | __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx); | 
 | __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from); | 
 | void BIO_ssl_shutdown(BIO *ssl_bio); | 
 |  | 
 | __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str); | 
 | __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth); | 
 | int SSL_CTX_up_ref(SSL_CTX *ctx); | 
 | void SSL_CTX_free(SSL_CTX *); | 
 | __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t); | 
 | __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx); | 
 | __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *); | 
 | void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *); | 
 | void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *); | 
 | __owur int SSL_want(const SSL *s); | 
 | __owur int SSL_clear(SSL *s); | 
 |  | 
 | void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm); | 
 |  | 
 | __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s); | 
 | __owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s); | 
 | __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits); | 
 | __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c); | 
 | __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c); | 
 | __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c); | 
 | __owur const char *OPENSSL_cipher_name(const char *rfc_name); | 
 | __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c); | 
 | __owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c); | 
 | __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c); | 
 | __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c); | 
 | __owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c); | 
 | __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c); | 
 |  | 
 | __owur int SSL_get_fd(const SSL *s); | 
 | __owur int SSL_get_rfd(const SSL *s); | 
 | __owur int SSL_get_wfd(const SSL *s); | 
 | __owur const char *SSL_get_cipher_list(const SSL *s, int n); | 
 | __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size); | 
 | __owur int SSL_get_read_ahead(const SSL *s); | 
 | __owur int SSL_pending(const SSL *s); | 
 | __owur int SSL_has_pending(const SSL *s); | 
 | # ifndef OPENSSL_NO_SOCK | 
 | __owur int SSL_set_fd(SSL *s, int fd); | 
 | __owur int SSL_set_rfd(SSL *s, int fd); | 
 | __owur int SSL_set_wfd(SSL *s, int fd); | 
 | # endif | 
 | void SSL_set0_rbio(SSL *s, BIO *rbio); | 
 | void SSL_set0_wbio(SSL *s, BIO *wbio); | 
 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio); | 
 | __owur BIO *SSL_get_rbio(const SSL *s); | 
 | __owur BIO *SSL_get_wbio(const SSL *s); | 
 | __owur int SSL_set_cipher_list(SSL *s, const char *str); | 
 | __owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str); | 
 | __owur int SSL_set_ciphersuites(SSL *s, const char *str); | 
 | void SSL_set_read_ahead(SSL *s, int yes); | 
 | __owur int SSL_get_verify_mode(const SSL *s); | 
 | __owur int SSL_get_verify_depth(const SSL *s); | 
 | __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s); | 
 | void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback); | 
 | void SSL_set_verify_depth(SSL *s, int depth); | 
 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg); | 
 | # ifndef OPENSSL_NO_RSA | 
 | __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa); | 
 | __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, | 
 |                                       long len); | 
 | # endif | 
 | __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey); | 
 | __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, | 
 |                                    long len); | 
 | __owur int SSL_use_certificate(SSL *ssl, X509 *x); | 
 | __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len); | 
 | __owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey, | 
 |                                 STACK_OF(X509) *chain, int override); | 
 |  | 
 |  | 
 | /* serverinfo file format versions */ | 
 | # define SSL_SERVERINFOV1   1 | 
 | # define SSL_SERVERINFOV2   2 | 
 |  | 
 | /* Set serverinfo data for the current active cert. */ | 
 | __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo, | 
 |                                   size_t serverinfo_length); | 
 | __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version, | 
 |                                      const unsigned char *serverinfo, | 
 |                                      size_t serverinfo_length); | 
 | __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file); | 
 |  | 
 | #ifndef OPENSSL_NO_RSA | 
 | __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type); | 
 | #endif | 
 |  | 
 | __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type); | 
 | __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type); | 
 |  | 
 | #ifndef OPENSSL_NO_RSA | 
 | __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, | 
 |                                           int type); | 
 | #endif | 
 | __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, | 
 |                                        int type); | 
 | __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, | 
 |                                         int type); | 
 | /* PEM type */ | 
 | __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); | 
 | __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file); | 
 | __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file); | 
 | __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs, | 
 |                                                const char *file); | 
 | int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs, | 
 |                                        const char *dir); | 
 |  | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  define SSL_load_error_strings() \ | 
 |     OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \ | 
 |                      | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL) | 
 | # endif | 
 |  | 
 | __owur const char *SSL_state_string(const SSL *s); | 
 | __owur const char *SSL_rstate_string(const SSL *s); | 
 | __owur const char *SSL_state_string_long(const SSL *s); | 
 | __owur const char *SSL_rstate_string_long(const SSL *s); | 
 | __owur long SSL_SESSION_get_time(const SSL_SESSION *s); | 
 | __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t); | 
 | __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s); | 
 | __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t); | 
 | __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s); | 
 | __owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version); | 
 |  | 
 | __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s); | 
 | __owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname); | 
 | void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s, | 
 |                                     const unsigned char **alpn, | 
 |                                     size_t *len); | 
 | __owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s, | 
 |                                           const unsigned char *alpn, | 
 |                                           size_t len); | 
 | __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s); | 
 | __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher); | 
 | __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s); | 
 | __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s); | 
 | void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick, | 
 |                              size_t *len); | 
 | __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s); | 
 | __owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s, | 
 |                                           uint32_t max_early_data); | 
 | __owur int SSL_copy_session_id(SSL *to, const SSL *from); | 
 | __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s); | 
 | __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s, | 
 |                                        const unsigned char *sid_ctx, | 
 |                                        unsigned int sid_ctx_len); | 
 | __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid, | 
 |                                unsigned int sid_len); | 
 | __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s); | 
 |  | 
 | __owur SSL_SESSION *SSL_SESSION_new(void); | 
 | __owur SSL_SESSION *SSL_SESSION_dup(SSL_SESSION *src); | 
 | const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, | 
 |                                         unsigned int *len); | 
 | const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s, | 
 |                                                  unsigned int *len); | 
 | __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s); | 
 | # ifndef OPENSSL_NO_STDIO | 
 | int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses); | 
 | # endif | 
 | int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses); | 
 | int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x); | 
 | int SSL_SESSION_up_ref(SSL_SESSION *ses); | 
 | void SSL_SESSION_free(SSL_SESSION *ses); | 
 | __owur int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp); | 
 | __owur int SSL_set_session(SSL *to, SSL_SESSION *session); | 
 | int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session); | 
 | int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session); | 
 | __owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb); | 
 | __owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb); | 
 | __owur int SSL_has_matching_session_id(const SSL *s, | 
 |                                        const unsigned char *id, | 
 |                                        unsigned int id_len); | 
 | SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, | 
 |                              long length); | 
 |  | 
 | # ifdef HEADER_X509_H | 
 | __owur X509 *SSL_get_peer_certificate(const SSL *s); | 
 | # endif | 
 |  | 
 | __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s); | 
 |  | 
 | __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx); | 
 | __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx); | 
 | __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx); | 
 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback); | 
 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth); | 
 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, | 
 |                                       int (*cb) (X509_STORE_CTX *, void *), | 
 |                                       void *arg); | 
 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), | 
 |                          void *arg); | 
 | # ifndef OPENSSL_NO_RSA | 
 | __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa); | 
 | __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, | 
 |                                           long len); | 
 | # endif | 
 | __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey); | 
 | __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, | 
 |                                        const unsigned char *d, long len); | 
 | __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x); | 
 | __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, | 
 |                                         const unsigned char *d); | 
 | __owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey, | 
 |                                     STACK_OF(X509) *chain, int override); | 
 |  | 
 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb); | 
 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u); | 
 | pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx); | 
 | void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx); | 
 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb); | 
 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u); | 
 | pem_password_cb *SSL_get_default_passwd_cb(SSL *s); | 
 | void *SSL_get_default_passwd_cb_userdata(SSL *s); | 
 |  | 
 | __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx); | 
 | __owur int SSL_check_private_key(const SSL *ctx); | 
 |  | 
 | __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx, | 
 |                                           const unsigned char *sid_ctx, | 
 |                                           unsigned int sid_ctx_len); | 
 |  | 
 | SSL *SSL_new(SSL_CTX *ctx); | 
 | int SSL_up_ref(SSL *s); | 
 | int SSL_is_dtls(const SSL *s); | 
 | __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, | 
 |                                       unsigned int sid_ctx_len); | 
 |  | 
 | __owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose); | 
 | __owur int SSL_set_purpose(SSL *ssl, int purpose); | 
 | __owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust); | 
 | __owur int SSL_set_trust(SSL *ssl, int trust); | 
 |  | 
 | __owur int SSL_set1_host(SSL *s, const char *hostname); | 
 | __owur int SSL_add1_host(SSL *s, const char *hostname); | 
 | __owur const char *SSL_get0_peername(SSL *s); | 
 | void SSL_set_hostflags(SSL *s, unsigned int flags); | 
 |  | 
 | __owur int SSL_CTX_dane_enable(SSL_CTX *ctx); | 
 | __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, | 
 |                                   uint8_t mtype, uint8_t ord); | 
 | __owur int SSL_dane_enable(SSL *s, const char *basedomain); | 
 | __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, | 
 |                              uint8_t mtype, unsigned const char *data, size_t dlen); | 
 | __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki); | 
 | __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, | 
 |                               uint8_t *mtype, unsigned const char **data, | 
 |                               size_t *dlen); | 
 | /* | 
 |  * Bridge opacity barrier between libcrypt and libssl, also needed to support | 
 |  * offline testing in test/danetest.c | 
 |  */ | 
 | SSL_DANE *SSL_get0_dane(SSL *ssl); | 
 | /* | 
 |  * DANE flags | 
 |  */ | 
 | unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags); | 
 | unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags); | 
 | unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags); | 
 | unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags); | 
 |  | 
 | __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm); | 
 | __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm); | 
 |  | 
 | __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx); | 
 | __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl); | 
 |  | 
 | # ifndef OPENSSL_NO_SRP | 
 | int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name); | 
 | int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password); | 
 | int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength); | 
 | int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx, | 
 |                                         char *(*cb) (SSL *, void *)); | 
 | int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx, | 
 |                                           int (*cb) (SSL *, void *)); | 
 | int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx, | 
 |                                       int (*cb) (SSL *, int *, void *)); | 
 | int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg); | 
 |  | 
 | int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g, | 
 |                              BIGNUM *sa, BIGNUM *v, char *info); | 
 | int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass, | 
 |                                 const char *grp); | 
 |  | 
 | __owur BIGNUM *SSL_get_srp_g(SSL *s); | 
 | __owur BIGNUM *SSL_get_srp_N(SSL *s); | 
 |  | 
 | __owur char *SSL_get_srp_username(SSL *s); | 
 | __owur char *SSL_get_srp_userinfo(SSL *s); | 
 | # endif | 
 |  | 
 | /* | 
 |  * ClientHello callback and helpers. | 
 |  */ | 
 |  | 
 | # define SSL_CLIENT_HELLO_SUCCESS 1 | 
 | # define SSL_CLIENT_HELLO_ERROR   0 | 
 | # define SSL_CLIENT_HELLO_RETRY   (-1) | 
 |  | 
 | typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg); | 
 | void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, | 
 |                                  void *arg); | 
 | int SSL_client_hello_isv2(SSL *s); | 
 | unsigned int SSL_client_hello_get0_legacy_version(SSL *s); | 
 | size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out); | 
 | size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out); | 
 | size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out); | 
 | size_t SSL_client_hello_get0_compression_methods(SSL *s, | 
 |                                                  const unsigned char **out); | 
 | int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen); | 
 | int SSL_client_hello_get0_ext(SSL *s, unsigned int type, | 
 |                               const unsigned char **out, size_t *outlen); | 
 |  | 
 | void SSL_certs_clear(SSL *s); | 
 | void SSL_free(SSL *ssl); | 
 | # ifdef OSSL_ASYNC_FD | 
 | /* | 
 |  * Windows application developer has to include windows.h to use these. | 
 |  */ | 
 | __owur int SSL_waiting_for_async(SSL *s); | 
 | __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds); | 
 | __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, | 
 |                                      size_t *numaddfds, OSSL_ASYNC_FD *delfd, | 
 |                                      size_t *numdelfds); | 
 | # endif | 
 | __owur int SSL_accept(SSL *ssl); | 
 | __owur int SSL_stateless(SSL *s); | 
 | __owur int SSL_connect(SSL *ssl); | 
 | __owur int SSL_read(SSL *ssl, void *buf, int num); | 
 | __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes); | 
 |  | 
 | # define SSL_READ_EARLY_DATA_ERROR   0 | 
 | # define SSL_READ_EARLY_DATA_SUCCESS 1 | 
 | # define SSL_READ_EARLY_DATA_FINISH  2 | 
 |  | 
 | __owur int SSL_read_early_data(SSL *s, void *buf, size_t num, | 
 |                                size_t *readbytes); | 
 | __owur int SSL_peek(SSL *ssl, void *buf, int num); | 
 | __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes); | 
 | __owur int SSL_write(SSL *ssl, const void *buf, int num); | 
 | __owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written); | 
 | __owur int SSL_write_early_data(SSL *s, const void *buf, size_t num, | 
 |                                 size_t *written); | 
 | long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg); | 
 | long SSL_callback_ctrl(SSL *, int, void (*)(void)); | 
 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg); | 
 | long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void)); | 
 |  | 
 | # define SSL_EARLY_DATA_NOT_SENT    0 | 
 | # define SSL_EARLY_DATA_REJECTED    1 | 
 | # define SSL_EARLY_DATA_ACCEPTED    2 | 
 |  | 
 | __owur int SSL_get_early_data_status(const SSL *s); | 
 |  | 
 | __owur int SSL_get_error(const SSL *s, int ret_code); | 
 | __owur const char *SSL_get_version(const SSL *s); | 
 |  | 
 | /* This sets the 'default' SSL version that SSL_new() will create */ | 
 | __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth); | 
 |  | 
 | # ifndef OPENSSL_NO_SSL3_METHOD | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void)) | 
 | # endif | 
 |  | 
 | #define SSLv23_method           TLS_method | 
 | #define SSLv23_server_method    TLS_server_method | 
 | #define SSLv23_client_method    TLS_client_method | 
 |  | 
 | /* Negotiate highest available SSL/TLS version */ | 
 | __owur const SSL_METHOD *TLS_method(void); | 
 | __owur const SSL_METHOD *TLS_server_method(void); | 
 | __owur const SSL_METHOD *TLS_client_method(void); | 
 |  | 
 | # ifndef OPENSSL_NO_TLS1_METHOD | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void)) | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_TLS1_1_METHOD | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void)) | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_TLS1_2_METHOD | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void)) | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_DTLS1_METHOD | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void)) | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_DTLS1_2_METHOD | 
 | /* DTLSv1.2 */ | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void)) | 
 | DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void)) | 
 | # endif | 
 |  | 
 | __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */ | 
 | __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */ | 
 | __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */ | 
 |  | 
 | __owur size_t DTLS_get_data_mtu(const SSL *s); | 
 |  | 
 | __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s); | 
 | __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx); | 
 | __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s); | 
 | __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s); | 
 |  | 
 | __owur int SSL_do_handshake(SSL *s); | 
 | int SSL_key_update(SSL *s, int updatetype); | 
 | int SSL_get_key_update_type(const SSL *s); | 
 | int SSL_renegotiate(SSL *s); | 
 | int SSL_renegotiate_abbreviated(SSL *s); | 
 | __owur int SSL_renegotiate_pending(const SSL *s); | 
 | int SSL_shutdown(SSL *s); | 
 | __owur int SSL_verify_client_post_handshake(SSL *s); | 
 | void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val); | 
 | void SSL_set_post_handshake_auth(SSL *s, int val); | 
 |  | 
 | __owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx); | 
 | __owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s); | 
 | __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method); | 
 | __owur const char *SSL_alert_type_string_long(int value); | 
 | __owur const char *SSL_alert_type_string(int value); | 
 | __owur const char *SSL_alert_desc_string_long(int value); | 
 | __owur const char *SSL_alert_desc_string(int value); | 
 |  | 
 | void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list); | 
 | void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list); | 
 | __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s); | 
 | __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx); | 
 | __owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x); | 
 | __owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x); | 
 | __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s); | 
 |  | 
 | void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list); | 
 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list); | 
 | __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s); | 
 | __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s); | 
 | __owur int SSL_add_client_CA(SSL *ssl, X509 *x); | 
 | __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x); | 
 |  | 
 | void SSL_set_connect_state(SSL *s); | 
 | void SSL_set_accept_state(SSL *s); | 
 |  | 
 | __owur long SSL_get_default_timeout(const SSL *s); | 
 |  | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  define SSL_library_init() OPENSSL_init_ssl(0, NULL) | 
 | # endif | 
 |  | 
 | __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size); | 
 | __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk); | 
 |  | 
 | __owur SSL *SSL_dup(SSL *ssl); | 
 |  | 
 | __owur X509 *SSL_get_certificate(const SSL *ssl); | 
 | /* | 
 |  * EVP_PKEY | 
 |  */ | 
 | struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl); | 
 |  | 
 | __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx); | 
 | __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx); | 
 |  | 
 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode); | 
 | __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx); | 
 | void SSL_set_quiet_shutdown(SSL *ssl, int mode); | 
 | __owur int SSL_get_quiet_shutdown(const SSL *ssl); | 
 | void SSL_set_shutdown(SSL *ssl, int mode); | 
 | __owur int SSL_get_shutdown(const SSL *ssl); | 
 | __owur int SSL_version(const SSL *ssl); | 
 | __owur int SSL_client_version(const SSL *s); | 
 | __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx); | 
 | __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx); | 
 | __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx); | 
 | __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, | 
 |                                          const char *CApath); | 
 | # define SSL_get0_session SSL_get_session/* just peek at pointer */ | 
 | __owur SSL_SESSION *SSL_get_session(const SSL *ssl); | 
 | __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */ | 
 | __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl); | 
 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx); | 
 | void SSL_set_info_callback(SSL *ssl, | 
 |                            void (*cb) (const SSL *ssl, int type, int val)); | 
 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type, | 
 |                                                int val); | 
 | __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl); | 
 |  | 
 | void SSL_set_verify_result(SSL *ssl, long v); | 
 | __owur long SSL_get_verify_result(const SSL *ssl); | 
 | __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s); | 
 |  | 
 | __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, | 
 |                                     size_t outlen); | 
 | __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, | 
 |                                     size_t outlen); | 
 | __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess, | 
 |                                          unsigned char *out, size_t outlen); | 
 | __owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess, | 
 |                                        const unsigned char *in, size_t len); | 
 | uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess); | 
 |  | 
 | #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \ | 
 |     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef) | 
 | __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data); | 
 | void *SSL_get_ex_data(const SSL *ssl, int idx); | 
 | #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \ | 
 |     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef) | 
 | __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data); | 
 | void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx); | 
 | #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \ | 
 |     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef) | 
 | __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data); | 
 | void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx); | 
 |  | 
 | __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void); | 
 |  | 
 | # define SSL_CTX_sess_set_cache_size(ctx,t) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL) | 
 | # define SSL_CTX_sess_get_cache_size(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL) | 
 | # define SSL_CTX_set_session_cache_mode(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL) | 
 | # define SSL_CTX_get_session_cache_mode(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL) | 
 |  | 
 | # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx) | 
 | # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m) | 
 | # define SSL_CTX_get_read_ahead(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL) | 
 | # define SSL_CTX_set_read_ahead(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL) | 
 | # define SSL_CTX_get_max_cert_list(ctx) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL) | 
 | # define SSL_CTX_set_max_cert_list(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL) | 
 | # define SSL_get_max_cert_list(ssl) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL) | 
 | # define SSL_set_max_cert_list(ssl,m) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL) | 
 |  | 
 | # define SSL_CTX_set_max_send_fragment(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL) | 
 | # define SSL_set_max_send_fragment(ssl,m) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL) | 
 | # define SSL_CTX_set_split_send_fragment(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL) | 
 | # define SSL_set_split_send_fragment(ssl,m) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL) | 
 | # define SSL_CTX_set_max_pipelines(ctx,m) \ | 
 |         SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL) | 
 | # define SSL_set_max_pipelines(ssl,m) \ | 
 |         SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL) | 
 |  | 
 | void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len); | 
 | void SSL_set_default_read_buffer_len(SSL *s, size_t len); | 
 |  | 
 | # ifndef OPENSSL_NO_DH | 
 | /* NB: the |keylength| is only applicable when is_export is true */ | 
 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, | 
 |                                  DH *(*dh) (SSL *ssl, int is_export, | 
 |                                             int keylength)); | 
 | void SSL_set_tmp_dh_callback(SSL *ssl, | 
 |                              DH *(*dh) (SSL *ssl, int is_export, | 
 |                                         int keylength)); | 
 | # endif | 
 |  | 
 | __owur const COMP_METHOD *SSL_get_current_compression(const SSL *s); | 
 | __owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s); | 
 | __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp); | 
 | __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp); | 
 | __owur int SSL_COMP_get_id(const SSL_COMP *comp); | 
 | STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void); | 
 | __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) | 
 |                                                              *meths); | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  define SSL_COMP_free_compression_methods() while(0) continue | 
 | # endif | 
 | __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm); | 
 |  | 
 | const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr); | 
 | int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c); | 
 | int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c); | 
 | int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, | 
 |                              int isv2format, STACK_OF(SSL_CIPHER) **sk, | 
 |                              STACK_OF(SSL_CIPHER) **scsvs); | 
 |  | 
 | /* TLS extensions functions */ | 
 | __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len); | 
 |  | 
 | __owur int SSL_set_session_ticket_ext_cb(SSL *s, | 
 |                                          tls_session_ticket_ext_cb_fn cb, | 
 |                                          void *arg); | 
 |  | 
 | /* Pre-shared secret session resumption functions */ | 
 | __owur int SSL_set_session_secret_cb(SSL *s, | 
 |                                      tls_session_secret_cb_fn session_secret_cb, | 
 |                                      void *arg); | 
 |  | 
 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, | 
 |                                                 int (*cb) (SSL *ssl, | 
 |                                                            int | 
 |                                                            is_forward_secure)); | 
 |  | 
 | void SSL_set_not_resumable_session_callback(SSL *ssl, | 
 |                                             int (*cb) (SSL *ssl, | 
 |                                                        int is_forward_secure)); | 
 |  | 
 | void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, | 
 |                                          size_t (*cb) (SSL *ssl, int type, | 
 |                                                        size_t len, void *arg)); | 
 | void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg); | 
 | void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx); | 
 | int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size); | 
 |  | 
 | void SSL_set_record_padding_callback(SSL *ssl, | 
 |                                     size_t (*cb) (SSL *ssl, int type, | 
 |                                                   size_t len, void *arg)); | 
 | void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg); | 
 | void *SSL_get_record_padding_callback_arg(const SSL *ssl); | 
 | int SSL_set_block_padding(SSL *ssl, size_t block_size); | 
 |  | 
 | int SSL_set_num_tickets(SSL *s, size_t num_tickets); | 
 | size_t SSL_get_num_tickets(const SSL *s); | 
 | int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets); | 
 | size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx); | 
 |  | 
 | # if OPENSSL_API_COMPAT < 0x10100000L | 
 | #  define SSL_cache_hit(s) SSL_session_reused(s) | 
 | # endif | 
 |  | 
 | __owur int SSL_session_reused(const SSL *s); | 
 | __owur int SSL_is_server(const SSL *s); | 
 |  | 
 | __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void); | 
 | int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx); | 
 | void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx); | 
 | unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags); | 
 | __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, | 
 |                                              unsigned int flags); | 
 | __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre); | 
 |  | 
 | void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl); | 
 | void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx); | 
 |  | 
 | __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value); | 
 | __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv); | 
 | __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd); | 
 |  | 
 | void SSL_add_ssl_module(void); | 
 | int SSL_config(SSL *s, const char *name); | 
 | int SSL_CTX_config(SSL_CTX *ctx, const char *name); | 
 |  | 
 | # ifndef OPENSSL_NO_SSL_TRACE | 
 | void SSL_trace(int write_p, int version, int content_type, | 
 |                const void *buf, size_t len, SSL *ssl, void *arg); | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_SOCK | 
 | int DTLSv1_listen(SSL *s, BIO_ADDR *client); | 
 | # endif | 
 |  | 
 | # ifndef OPENSSL_NO_CT | 
 |  | 
 | /* | 
 |  * A callback for verifying that the received SCTs are sufficient. | 
 |  * Expected to return 1 if they are sufficient, otherwise 0. | 
 |  * May return a negative integer if an error occurs. | 
 |  * A connection should be aborted if the SCTs are deemed insufficient. | 
 |  */ | 
 | typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx, | 
 |                                     const STACK_OF(SCT) *scts, void *arg); | 
 |  | 
 | /* | 
 |  * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate | 
 |  * the received SCTs. | 
 |  * If the callback returns a non-positive result, the connection is terminated. | 
 |  * Call this function before beginning a handshake. | 
 |  * If a NULL |callback| is provided, SCT validation is disabled. | 
 |  * |arg| is arbitrary userdata that will be passed to the callback whenever it | 
 |  * is invoked. Ownership of |arg| remains with the caller. | 
 |  * | 
 |  * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response | 
 |  *       will be requested. | 
 |  */ | 
 | int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, | 
 |                                    void *arg); | 
 | int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, | 
 |                                        ssl_ct_validation_cb callback, | 
 |                                        void *arg); | 
 | #define SSL_disable_ct(s) \ | 
 |         ((void) SSL_set_validation_callback((s), NULL, NULL)) | 
 | #define SSL_CTX_disable_ct(ctx) \ | 
 |         ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL)) | 
 |  | 
 | /* | 
 |  * The validation type enumerates the available behaviours of the built-in SSL | 
 |  * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct(). | 
 |  * The underlying callback is a static function in libssl. | 
 |  */ | 
 | enum { | 
 |     SSL_CT_VALIDATION_PERMISSIVE = 0, | 
 |     SSL_CT_VALIDATION_STRICT | 
 | }; | 
 |  | 
 | /* | 
 |  * Enable CT by setting up a callback that implements one of the built-in | 
 |  * validation variants.  The SSL_CT_VALIDATION_PERMISSIVE variant always | 
 |  * continues the handshake, the application can make appropriate decisions at | 
 |  * handshake completion.  The SSL_CT_VALIDATION_STRICT variant requires at | 
 |  * least one valid SCT, or else handshake termination will be requested.  The | 
 |  * handshake may continue anyway if SSL_VERIFY_NONE is in effect. | 
 |  */ | 
 | int SSL_enable_ct(SSL *s, int validation_mode); | 
 | int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode); | 
 |  | 
 | /* | 
 |  * Report whether a non-NULL callback is enabled. | 
 |  */ | 
 | int SSL_ct_is_enabled(const SSL *s); | 
 | int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx); | 
 |  | 
 | /* Gets the SCTs received from a connection */ | 
 | const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s); | 
 |  | 
 | /* | 
 |  * Loads the CT log list from the default location. | 
 |  * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store, | 
 |  * the log information loaded from this file will be appended to the | 
 |  * CTLOG_STORE. | 
 |  * Returns 1 on success, 0 otherwise. | 
 |  */ | 
 | int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx); | 
 |  | 
 | /* | 
 |  * Loads the CT log list from the specified file path. | 
 |  * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store, | 
 |  * the log information loaded from this file will be appended to the | 
 |  * CTLOG_STORE. | 
 |  * Returns 1 on success, 0 otherwise. | 
 |  */ | 
 | int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path); | 
 |  | 
 | /* | 
 |  * Sets the CT log list used by all SSL connections created from this SSL_CTX. | 
 |  * Ownership of the CTLOG_STORE is transferred to the SSL_CTX. | 
 |  */ | 
 | void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs); | 
 |  | 
 | /* | 
 |  * Gets the CT log list used by all SSL connections created from this SSL_CTX. | 
 |  * This will be NULL unless one of the following functions has been called: | 
 |  * - SSL_CTX_set_default_ctlog_list_file | 
 |  * - SSL_CTX_set_ctlog_list_file | 
 |  * - SSL_CTX_set_ctlog_store | 
 |  */ | 
 | const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx); | 
 |  | 
 | # endif /* OPENSSL_NO_CT */ | 
 |  | 
 | /* What the "other" parameter contains in security callback */ | 
 | /* Mask for type */ | 
 | # define SSL_SECOP_OTHER_TYPE    0xffff0000 | 
 | # define SSL_SECOP_OTHER_NONE    0 | 
 | # define SSL_SECOP_OTHER_CIPHER  (1 << 16) | 
 | # define SSL_SECOP_OTHER_CURVE   (2 << 16) | 
 | # define SSL_SECOP_OTHER_DH      (3 << 16) | 
 | # define SSL_SECOP_OTHER_PKEY    (4 << 16) | 
 | # define SSL_SECOP_OTHER_SIGALG  (5 << 16) | 
 | # define SSL_SECOP_OTHER_CERT    (6 << 16) | 
 |  | 
 | /* Indicated operation refers to peer key or certificate */ | 
 | # define SSL_SECOP_PEER          0x1000 | 
 |  | 
 | /* Values for "op" parameter in security callback */ | 
 |  | 
 | /* Called to filter ciphers */ | 
 | /* Ciphers client supports */ | 
 | # define SSL_SECOP_CIPHER_SUPPORTED      (1 | SSL_SECOP_OTHER_CIPHER) | 
 | /* Cipher shared by client/server */ | 
 | # define SSL_SECOP_CIPHER_SHARED         (2 | SSL_SECOP_OTHER_CIPHER) | 
 | /* Sanity check of cipher server selects */ | 
 | # define SSL_SECOP_CIPHER_CHECK          (3 | SSL_SECOP_OTHER_CIPHER) | 
 | /* Curves supported by client */ | 
 | # define SSL_SECOP_CURVE_SUPPORTED       (4 | SSL_SECOP_OTHER_CURVE) | 
 | /* Curves shared by client/server */ | 
 | # define SSL_SECOP_CURVE_SHARED          (5 | SSL_SECOP_OTHER_CURVE) | 
 | /* Sanity check of curve server selects */ | 
 | # define SSL_SECOP_CURVE_CHECK           (6 | SSL_SECOP_OTHER_CURVE) | 
 | /* Temporary DH key */ | 
 | # define SSL_SECOP_TMP_DH                (7 | SSL_SECOP_OTHER_PKEY) | 
 | /* SSL/TLS version */ | 
 | # define SSL_SECOP_VERSION               (9 | SSL_SECOP_OTHER_NONE) | 
 | /* Session tickets */ | 
 | # define SSL_SECOP_TICKET                (10 | SSL_SECOP_OTHER_NONE) | 
 | /* Supported signature algorithms sent to peer */ | 
 | # define SSL_SECOP_SIGALG_SUPPORTED      (11 | SSL_SECOP_OTHER_SIGALG) | 
 | /* Shared signature algorithm */ | 
 | # define SSL_SECOP_SIGALG_SHARED         (12 | SSL_SECOP_OTHER_SIGALG) | 
 | /* Sanity check signature algorithm allowed */ | 
 | # define SSL_SECOP_SIGALG_CHECK          (13 | SSL_SECOP_OTHER_SIGALG) | 
 | /* Used to get mask of supported public key signature algorithms */ | 
 | # define SSL_SECOP_SIGALG_MASK           (14 | SSL_SECOP_OTHER_SIGALG) | 
 | /* Use to see if compression is allowed */ | 
 | # define SSL_SECOP_COMPRESSION           (15 | SSL_SECOP_OTHER_NONE) | 
 | /* EE key in certificate */ | 
 | # define SSL_SECOP_EE_KEY                (16 | SSL_SECOP_OTHER_CERT) | 
 | /* CA key in certificate */ | 
 | # define SSL_SECOP_CA_KEY                (17 | SSL_SECOP_OTHER_CERT) | 
 | /* CA digest algorithm in certificate */ | 
 | # define SSL_SECOP_CA_MD                 (18 | SSL_SECOP_OTHER_CERT) | 
 | /* Peer EE key in certificate */ | 
 | # define SSL_SECOP_PEER_EE_KEY           (SSL_SECOP_EE_KEY | SSL_SECOP_PEER) | 
 | /* Peer CA key in certificate */ | 
 | # define SSL_SECOP_PEER_CA_KEY           (SSL_SECOP_CA_KEY | SSL_SECOP_PEER) | 
 | /* Peer CA digest algorithm in certificate */ | 
 | # define SSL_SECOP_PEER_CA_MD            (SSL_SECOP_CA_MD | SSL_SECOP_PEER) | 
 |  | 
 | void SSL_set_security_level(SSL *s, int level); | 
 | __owur int SSL_get_security_level(const SSL *s); | 
 | void SSL_set_security_callback(SSL *s, | 
 |                                int (*cb) (const SSL *s, const SSL_CTX *ctx, | 
 |                                           int op, int bits, int nid, | 
 |                                           void *other, void *ex)); | 
 | int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, | 
 |                                                 const SSL_CTX *ctx, int op, | 
 |                                                 int bits, int nid, void *other, | 
 |                                                 void *ex); | 
 | void SSL_set0_security_ex_data(SSL *s, void *ex); | 
 | __owur void *SSL_get0_security_ex_data(const SSL *s); | 
 |  | 
 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level); | 
 | __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx); | 
 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, | 
 |                                    int (*cb) (const SSL *s, const SSL_CTX *ctx, | 
 |                                               int op, int bits, int nid, | 
 |                                               void *other, void *ex)); | 
 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, | 
 |                                                           const SSL_CTX *ctx, | 
 |                                                           int op, int bits, | 
 |                                                           int nid, | 
 |                                                           void *other, | 
 |                                                           void *ex); | 
 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex); | 
 | __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx); | 
 |  | 
 | /* OPENSSL_INIT flag 0x010000 reserved for internal use */ | 
 | # define OPENSSL_INIT_NO_LOAD_SSL_STRINGS    0x00100000L | 
 | # define OPENSSL_INIT_LOAD_SSL_STRINGS       0x00200000L | 
 |  | 
 | # define OPENSSL_INIT_SSL_DEFAULT \ | 
 |         (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS) | 
 |  | 
 | int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings); | 
 |  | 
 | # ifndef OPENSSL_NO_UNIT_TEST | 
 | __owur const struct openssl_ssl_test_functions *SSL_test_functions(void); | 
 | # endif | 
 |  | 
 | __owur int SSL_free_buffers(SSL *ssl); | 
 | __owur int SSL_alloc_buffers(SSL *ssl); | 
 |  | 
 | /* Status codes passed to the decrypt session ticket callback. Some of these | 
 |  * are for internal use only and are never passed to the callback. */ | 
 | typedef int SSL_TICKET_STATUS; | 
 |  | 
 | /* Support for ticket appdata */ | 
 | /* fatal error, malloc failure */ | 
 | # define SSL_TICKET_FATAL_ERR_MALLOC 0 | 
 | /* fatal error, either from parsing or decrypting the ticket */ | 
 | # define SSL_TICKET_FATAL_ERR_OTHER  1 | 
 | /* No ticket present */ | 
 | # define SSL_TICKET_NONE             2 | 
 | /* Empty ticket present */ | 
 | # define SSL_TICKET_EMPTY            3 | 
 | /* the ticket couldn't be decrypted */ | 
 | # define SSL_TICKET_NO_DECRYPT       4 | 
 | /* a ticket was successfully decrypted */ | 
 | # define SSL_TICKET_SUCCESS          5 | 
 | /* same as above but the ticket needs to be renewed */ | 
 | # define SSL_TICKET_SUCCESS_RENEW    6 | 
 |  | 
 | /* Return codes for the decrypt session ticket callback */ | 
 | typedef int SSL_TICKET_RETURN; | 
 |  | 
 | /* An error occurred */ | 
 | #define SSL_TICKET_RETURN_ABORT             0 | 
 | /* Do not use the ticket, do not send a renewed ticket to the client */ | 
 | #define SSL_TICKET_RETURN_IGNORE            1 | 
 | /* Do not use the ticket, send a renewed ticket to the client */ | 
 | #define SSL_TICKET_RETURN_IGNORE_RENEW      2 | 
 | /* Use the ticket, do not send a renewed ticket to the client */ | 
 | #define SSL_TICKET_RETURN_USE               3 | 
 | /* Use the ticket, send a renewed ticket to the client */ | 
 | #define SSL_TICKET_RETURN_USE_RENEW         4 | 
 |  | 
 | typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg); | 
 | typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss, | 
 |                                                                const unsigned char *keyname, | 
 |                                                                size_t keyname_length, | 
 |                                                                SSL_TICKET_STATUS status, | 
 |                                                                void *arg); | 
 | int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, | 
 |                                   SSL_CTX_generate_session_ticket_fn gen_cb, | 
 |                                   SSL_CTX_decrypt_session_ticket_fn dec_cb, | 
 |                                   void *arg); | 
 | int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len); | 
 | int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len); | 
 |  | 
 | extern const char SSL_version_str[]; | 
 |  | 
 | typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us); | 
 |  | 
 | void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb); | 
 |  | 
 |  | 
 | typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg); | 
 | void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, | 
 |                                      SSL_allow_early_data_cb_fn cb, | 
 |                                      void *arg); | 
 | void SSL_set_allow_early_data_cb(SSL *s, | 
 |                                  SSL_allow_early_data_cb_fn cb, | 
 |                                  void *arg); | 
 |  | 
 | # ifdef  __cplusplus | 
 | } | 
 | # endif | 
 | #endif |