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Diffstat (limited to 'thirdparty/openssl/ssl.h.in')
| -rw-r--r-- | thirdparty/openssl/ssl.h.in | 2513 |
1 files changed, 2513 insertions, 0 deletions
diff --git a/thirdparty/openssl/ssl.h.in b/thirdparty/openssl/ssl.h.in new file mode 100644 index 00000000..9c00eb3d --- /dev/null +++ b/thirdparty/openssl/ssl.h.in @@ -0,0 +1,2513 @@ +/* + * {- join("\n * ", @autowarntext) -} + * + * Copyright 1995-2021 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 Apache License 2.0 (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 + */ + +{- +use OpenSSL::stackhash qw(generate_stack_macros generate_const_stack_macros); +-} + +#ifndef OPENSSL_SSL_H +# define OPENSSL_SSL_H +# pragma once + +# include <openssl/macros.h> +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define HEADER_SSL_H +# endif + +# include <openssl/e_os2.h> +# include <openssl/opensslconf.h> +# include <openssl/comp.h> +# include <openssl/bio.h> +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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> +# include <openssl/prov_ssl.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 +/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */ + +/* 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_kGOST18 "kGOST18" +# 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_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912" +# define SSL_TXT_CBC "CBC" + +# 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. + * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list() + * Update both macro and function simultaneously + */ +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL" +/* + * This is the default set of TLSv1.3 ciphersuites + * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites() + * Update both macro and function simultaneously + */ +# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \ + "TLS_CHACHA20_POLY1305_SHA256:" \ + "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; +{- + generate_stack_macros("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); + +/* Typedef for SSL async callback */ +typedef int (*SSL_async_callback_fn)(SSL *s, void *arg); + +#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n) + +/* + * SSL/TLS connection options. + */ + /* Disable Extended master secret */ +# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0) + /* Cleanse plaintext copies of data delivered to the application */ +# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1) + /* Allow initial connection to servers that don't support RI */ +# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2) + /* Enable support for Kernel TLS */ +# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3) +# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4) +# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6) +# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7) +# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8) +# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9) + /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */ +# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10) + /* + * 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 SSL_OP_BIT(11) + /* DTLS options */ +# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12) + /* Turn on Cookie Exchange (on relevant for servers) */ +# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13) + /* Don't use RFC4507 ticket extension */ +# define SSL_OP_NO_TICKET SSL_OP_BIT(14) +# ifndef OPENSSL_NO_DTLS1_METHOD + /* + * Use Cisco's version identifier of DTLS_BAD_VER + * (only with deprecated DTLSv1_client_method()) + */ +# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15) +# endif + /* As server, disallow session resumption on renegotiation */ +# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16) + /* Don't use compression even if supported */ +# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17) + /* Permit unsafe legacy renegotiation */ +# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18) + /* Disable encrypt-then-mac */ +# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19) + /* + * 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 SSL_OP_BIT(20) + /* + * Prioritize Chacha20Poly1305 when client does. + * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE + */ +# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21) + /* + * Set on servers to choose the cipher according to server's preferences. + */ +# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22) + /* + * 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 SSL_OP_BIT(23) + /* + * 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 SSL_OP_BIT(24) +# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25) +# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26) +# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27) +# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28) +# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29) +# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26) +# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27) + /* Disallow all renegotiation */ +# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30) + /* + * 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 SSL_OP_BIT(31) + +/* + * Option "collections." + */ +# 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 ) + +/* Various bug workarounds that should be rather harmless. */ +# define SSL_OP_ALL \ + ( SSL_OP_CRYPTOPRO_TLSEXT_BUG | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \ + | SSL_OP_TLSEXT_PADDING | SSL_OP_SAFARI_ECDHE_ECDSA_BUG ) + +/* + * OBSOLETE OPTIONS retained for compatibility + */ + +# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0 +# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0 +# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0 +# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0 +# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0 +# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0 +# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0 +# define SSL_OP_TLS_D5_BUG 0x0 +# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0 +# define SSL_OP_SINGLE_ECDH_USE 0x0 +# define SSL_OP_SINGLE_DH_USE 0x0 +# define SSL_OP_EPHEMERAL_RSA 0x0 +# define SSL_OP_NO_SSLv2 0x0 +# define SSL_OP_PKCS1_CHECK_1 0x0 +# define SSL_OP_PKCS1_CHECK_2 0x0 +# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0 +# 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 +# define SSL_CONF_TYPE_STORE 0x5 + +/* 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. + */ + +uint64_t SSL_CTX_get_options(const SSL_CTX *ctx); +uint64_t SSL_get_options(const SSL *s); +uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op); +uint64_t SSL_clear_options(SSL *s, uint64_t op); +uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op); +uint64_t SSL_set_options(SSL *s, uint64_t 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) + +# 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 */ +# ifndef OPENSSL_NO_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s); +OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx); +OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx); +OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx); +OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s, + int *ad); +OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s); +# endif +# 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) +# define SSL_SESS_CACHE_UPDATE_TIME 0x0400 + +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 256 +# define PSK_MAX_PSK_LEN 512 +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 +# define SSL_RETRY_VERIFY 8 + +/* 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_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY) +# 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 +# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4 +# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8 + +/* + * 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 + */ +{- + generate_const_stack_macros("SSL_CIPHER") + .generate_stack_macros("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))) +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug); +# endif + +/* 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 + +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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_ERROR_WANT_RETRY_VERIFY 12 + +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_CTRL_SET_TMP_DH 3 +# define SSL_CTRL_SET_TMP_ECDH 4 +# define SSL_CTRL_SET_TMP_DH_CB 6 +# endif + +# 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 +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72 +# endif +# 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 +# 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_NEGOTIATED_GROUP 134 +# 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) +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_CTX_set_tmp_dh(ctx,dh) \ + SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) +# endif +# 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) +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_set_tmp_dh(ssl,dh) \ + SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) +# endif +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \ + SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) +# define SSL_set_tmp_ecdh(ssl,ecdh) \ + SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) +# endif +# 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_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_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_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_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_get_negotiated_group(s) \ + SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,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) + +const char *SSL_group_to_name(SSL *s, int id); + +/* 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) + +int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey); +int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey); + +/* + * 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 + + +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +/* 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); +__owur SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq, + 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_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa); +OSSL_DEPRECATEDIN_3_0 +__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_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 +__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_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 +__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 STACK_OF(X509_NAME) +*SSL_load_client_CA_file_ex(const char *file, OSSL_LIB_CTX *libctx, + const char *propq); +__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); +int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs, + const char *uri); + +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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(const 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(const 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 OPENSSL_X509_H +__owur X509 *SSL_get0_peer_certificate(const SSL *s); +__owur X509 *SSL_get1_peer_certificate(const SSL *s); +/* Deprecated in 3.0.0 */ +# ifndef OPENSSL_NO_DEPRECATED_3_0 +# define SSL_get_peer_certificate SSL_get1_peer_certificate +# endif +# 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_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 +__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa); +OSSL_DEPRECATEDIN_3_0 +__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, const unsigned 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, const unsigned 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 +# ifndef OPENSSL_NO_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name); +OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password); +OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength); +OSSL_DEPRECATEDIN_3_0 +int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx, + char *(*cb) (SSL *, void *)); +OSSL_DEPRECATEDIN_3_0 +int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx, + int (*cb) (SSL *, void *)); +OSSL_DEPRECATEDIN_3_0 +int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx, + int (*cb) (SSL *, int *, void *)); +OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg); + +OSSL_DEPRECATEDIN_3_0 +int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g, + BIGNUM *sa, BIGNUM *v, char *info); +OSSL_DEPRECATEDIN_3_0 +int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass, + const char *grp); + +OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_g(SSL *s); +OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_N(SSL *s); + +OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_username(SSL *s); +OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_userinfo(SSL *s); +# endif +# 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); +__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback); +__owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg); +__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback); +__owur int SSL_set_async_callback_arg(SSL *s, void *arg); +__owur int SSL_get_async_status(SSL *s, int *status); + +# 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 ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, + int flags); +__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 */ +# ifndef OPENSSL_NO_DEPRECATED_3_0 +OSSL_DEPRECATEDIN_3_0 +__owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth); +# endif + +# ifndef OPENSSL_NO_SSL3_METHOD +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_method(void); /* SSLv3 */ +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void); +# endif +# 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 +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_method(void); /* TLSv1.0 */ +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void); +# endif +# endif + +# ifndef OPENSSL_NO_TLS1_1_METHOD +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_method(void); /* TLSv1.1 */ +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void); +# endif +# endif + +# ifndef OPENSSL_NO_TLS1_2_METHOD +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_method(void); /* TLSv1.2 */ +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void); +# endif +# endif + +# ifndef OPENSSL_NO_DTLS1_METHOD +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_method(void); /* DTLSv1.0 */ +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void); +# endif +# endif + +# ifndef OPENSSL_NO_DTLS1_2_METHOD +/* DTLSv1.2 */ +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void); +OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void); +# endif +# 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_new_session_ticket(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); + +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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_set_default_verify_store(SSL_CTX *ctx); +__owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile); +__owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath); +__owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore); +__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 +# ifndef OPENSSL_NO_DEPRECATED_3_0 +/* NB: the |keylength| is only applicable when is_export is true */ +OSSL_DEPRECATEDIN_3_0 +void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, + DH *(*dh) (SSL *ssl, int is_export, + int keylength)); +OSSL_DEPRECATEDIN_3_0 +void SSL_set_tmp_dh_callback(SSL *ssl, + DH *(*dh) (SSL *ssl, int is_export, + int keylength)); +# endif +# 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); +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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); + +int 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); + +# ifndef OPENSSL_NO_DEPRECATED_1_1_0 +# 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); + +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); + +/* store the default cipher strings inside the library */ +const char *OSSL_default_cipher_list(void); +const char *OSSL_default_ciphersuites(void); + +# ifdef __cplusplus +} +# endif +#endif |