diff --git a/crypto/openssl/include/openssl/ssl.h b/crypto/openssl/include/openssl/ssl.h index 09620489bc20..cfb87e63226e 100644 --- a/crypto/openssl/include/openssl/ssl.h +++ b/crypto/openssl/include/openssl/ssl.h @@ -1,2448 +1,2442 @@ /* * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved * Copyright 2005 Nokia. All rights reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_SSL_H # define HEADER_SSL_H # include # include # include # include # if OPENSSL_API_COMPAT < 0x10100000L # include # include # include # endif # include # include # include # include # include # include # include # include #ifdef __cplusplus extern "C" { #endif /* OpenSSL version number for ASN.1 encoding of the session information */ /*- * Version 0 - initial version * Version 1 - added the optional peer certificate */ # define SSL_SESSION_ASN1_VERSION 0x0001 # define SSL_MAX_SSL_SESSION_ID_LENGTH 32 # define SSL_MAX_SID_CTX_LENGTH 32 # define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8) # define SSL_MAX_KEY_ARG_LENGTH 8 # define SSL_MAX_MASTER_KEY_LENGTH 48 /* The maximum number of encrypt/decrypt pipelines we can support */ # define SSL_MAX_PIPELINES 32 /* text strings for the ciphers */ /* These are used to specify which ciphers to use and not to use */ # define SSL_TXT_LOW "LOW" # define SSL_TXT_MEDIUM "MEDIUM" # define SSL_TXT_HIGH "HIGH" # define SSL_TXT_FIPS "FIPS" # define SSL_TXT_aNULL "aNULL" # define SSL_TXT_eNULL "eNULL" # define SSL_TXT_NULL "NULL" # define SSL_TXT_kRSA "kRSA" # define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */ # define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */ # define SSL_TXT_kDH "kDH"/* this cipher class has been removed */ # define SSL_TXT_kEDH "kEDH"/* alias for kDHE */ # define SSL_TXT_kDHE "kDHE" # define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */ # define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */ # define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */ # define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */ # define SSL_TXT_kECDHE "kECDHE" # define SSL_TXT_kPSK "kPSK" # define SSL_TXT_kRSAPSK "kRSAPSK" # define SSL_TXT_kECDHEPSK "kECDHEPSK" # define SSL_TXT_kDHEPSK "kDHEPSK" # define SSL_TXT_kGOST "kGOST" # define SSL_TXT_kSRP "kSRP" # define SSL_TXT_aRSA "aRSA" # define SSL_TXT_aDSS "aDSS" # define SSL_TXT_aDH "aDH"/* this cipher class has been removed */ # define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */ # define SSL_TXT_aECDSA "aECDSA" # define SSL_TXT_aPSK "aPSK" # define SSL_TXT_aGOST94 "aGOST94" # define SSL_TXT_aGOST01 "aGOST01" # define SSL_TXT_aGOST12 "aGOST12" # define SSL_TXT_aGOST "aGOST" # define SSL_TXT_aSRP "aSRP" # define SSL_TXT_DSS "DSS" # define SSL_TXT_DH "DH" # define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */ # define SSL_TXT_EDH "EDH"/* alias for DHE */ # define SSL_TXT_ADH "ADH" # define SSL_TXT_RSA "RSA" # define SSL_TXT_ECDH "ECDH" # define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */ # define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */ # define SSL_TXT_AECDH "AECDH" # define SSL_TXT_ECDSA "ECDSA" # define SSL_TXT_PSK "PSK" # define SSL_TXT_SRP "SRP" # define SSL_TXT_DES "DES" # define SSL_TXT_3DES "3DES" # define SSL_TXT_RC4 "RC4" # define SSL_TXT_RC2 "RC2" # define SSL_TXT_IDEA "IDEA" # define SSL_TXT_SEED "SEED" # define SSL_TXT_AES128 "AES128" # define SSL_TXT_AES256 "AES256" # define SSL_TXT_AES "AES" # define SSL_TXT_AES_GCM "AESGCM" # define SSL_TXT_AES_CCM "AESCCM" # define SSL_TXT_AES_CCM_8 "AESCCM8" # define SSL_TXT_CAMELLIA128 "CAMELLIA128" # define SSL_TXT_CAMELLIA256 "CAMELLIA256" # define SSL_TXT_CAMELLIA "CAMELLIA" # define SSL_TXT_CHACHA20 "CHACHA20" # define SSL_TXT_GOST "GOST89" # define SSL_TXT_ARIA "ARIA" # define SSL_TXT_ARIA_GCM "ARIAGCM" # define SSL_TXT_ARIA128 "ARIA128" # define SSL_TXT_ARIA256 "ARIA256" # define SSL_TXT_MD5 "MD5" # define SSL_TXT_SHA1 "SHA1" # define SSL_TXT_SHA "SHA"/* same as "SHA1" */ # define SSL_TXT_GOST94 "GOST94" # define SSL_TXT_GOST89MAC "GOST89MAC" # define SSL_TXT_GOST12 "GOST12" # define SSL_TXT_GOST89MAC12 "GOST89MAC12" # define SSL_TXT_SHA256 "SHA256" # define SSL_TXT_SHA384 "SHA384" # define SSL_TXT_SSLV3 "SSLv3" # define SSL_TXT_TLSV1 "TLSv1" # define SSL_TXT_TLSV1_1 "TLSv1.1" # define SSL_TXT_TLSV1_2 "TLSv1.2" # define SSL_TXT_ALL "ALL" /*- * COMPLEMENTOF* definitions. These identifiers are used to (de-select) * ciphers normally not being used. * Example: "RC4" will activate all ciphers using RC4 including ciphers * without authentication, which would normally disabled by DEFAULT (due * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT" * will make sure that it is also disabled in the specific selection. * COMPLEMENTOF* identifiers are portable between version, as adjustments * to the default cipher setup will also be included here. * * COMPLEMENTOFDEFAULT does not experience the same special treatment that * DEFAULT gets, as only selection is being done and no sorting as needed * for DEFAULT. */ # define SSL_TXT_CMPALL "COMPLEMENTOFALL" # define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT" /* * The following cipher list is used by default. It also is substituted when * an application-defined cipher list string starts with 'DEFAULT'. * This applies to ciphersuites for TLSv1.2 and below. */ # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL" /* This is the default set of TLSv1.3 ciphersuites */ # if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \ "TLS_CHACHA20_POLY1305_SHA256:" \ "TLS_AES_128_GCM_SHA256" # else # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \ "TLS_AES_128_GCM_SHA256" #endif /* * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always * starts with a reasonable order, and all we have to do for DEFAULT is * throwing out anonymous and unencrypted ciphersuites! (The latter are not * actually enabled by ALL, but "ALL:RSA" would enable some of them.) */ /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */ # define SSL_SENT_SHUTDOWN 1 # define SSL_RECEIVED_SHUTDOWN 2 #ifdef __cplusplus } #endif #ifdef __cplusplus extern "C" { #endif # define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1 # define SSL_FILETYPE_PEM X509_FILETYPE_PEM /* * This is needed to stop compilers complaining about the 'struct ssl_st *' * function parameters used to prototype callbacks in SSL_CTX. */ typedef struct ssl_st *ssl_crock_st; typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT; typedef struct ssl_method_st SSL_METHOD; typedef struct ssl_cipher_st SSL_CIPHER; typedef struct ssl_session_st SSL_SESSION; typedef struct tls_sigalgs_st TLS_SIGALGS; typedef struct ssl_conf_ctx_st SSL_CONF_CTX; typedef struct ssl_comp_st SSL_COMP; STACK_OF(SSL_CIPHER); STACK_OF(SSL_COMP); /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/ typedef struct srtp_protection_profile_st { const char *name; unsigned long id; } SRTP_PROTECTION_PROFILE; DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE) typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg); typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers, const SSL_CIPHER **cipher, void *arg); /* Extension context codes */ /* This extension is only allowed in TLS */ #define SSL_EXT_TLS_ONLY 0x0001 /* This extension is only allowed in DTLS */ #define SSL_EXT_DTLS_ONLY 0x0002 /* Some extensions may be allowed in DTLS but we don't implement them for it */ #define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004 /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */ #define SSL_EXT_SSL3_ALLOWED 0x0008 /* Extension is only defined for TLS1.2 and below */ #define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010 /* Extension is only defined for TLS1.3 and above */ #define SSL_EXT_TLS1_3_ONLY 0x0020 /* Ignore this extension during parsing if we are resuming */ #define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040 #define SSL_EXT_CLIENT_HELLO 0x0080 /* Really means TLS1.2 or below */ #define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100 #define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200 #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400 #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800 #define SSL_EXT_TLS1_3_CERTIFICATE 0x1000 #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000 #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000 /* Typedefs for handling custom extensions */ typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type, const unsigned char **out, size_t *outlen, int *al, void *add_arg); typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type, const unsigned char *out, void *add_arg); typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type, const unsigned char *in, size_t inlen, int *al, void *parse_arg); typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char **out, size_t *outlen, X509 *x, size_t chainidx, int *al, void *add_arg); typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char *out, void *add_arg); typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char *in, size_t inlen, X509 *x, size_t chainidx, int *al, void *parse_arg); /* Typedef for verification callback */ typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx); /* * Some values are reserved until OpenSSL 1.2.0 because they were previously * included in SSL_OP_ALL in a 1.1.x release. * * Reserved value (until OpenSSL 1.2.0) 0x00000001U * Reserved value (until OpenSSL 1.2.0) 0x00000002U */ /* Allow initial connection to servers that don't support RI */ # define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U -/* Reserved value (until OpenSSL 1.2.0) 0x00000008U */ +/* Enable support for Kernel TLS */ +# define SSL_OP_ENABLE_KTLS 0x00000008U + # define SSL_OP_TLSEXT_PADDING 0x00000010U /* Reserved value (until OpenSSL 1.2.0) 0x00000020U */ # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U /* * Reserved value (until OpenSSL 1.2.0) 0x00000080U * Reserved value (until OpenSSL 1.2.0) 0x00000100U * Reserved value (until OpenSSL 1.2.0) 0x00000200U */ /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */ # define SSL_OP_ALLOW_NO_DHE_KEX 0x00000400U /* * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in * OpenSSL 0.9.6d. Usually (depending on the application protocol) the * workaround is not needed. Unfortunately some broken SSL/TLS * implementations cannot handle it at all, which is why we include it in * SSL_OP_ALL. Added in 0.9.6e */ # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U /* DTLS options */ # define SSL_OP_NO_QUERY_MTU 0x00001000U /* Turn on Cookie Exchange (on relevant for servers) */ # define SSL_OP_COOKIE_EXCHANGE 0x00002000U /* Don't use RFC4507 ticket extension */ # define SSL_OP_NO_TICKET 0x00004000U # ifndef OPENSSL_NO_DTLS1_METHOD /* Use Cisco's "speshul" version of DTLS_BAD_VER * (only with deprecated DTLSv1_client_method()) */ # define SSL_OP_CISCO_ANYCONNECT 0x00008000U # endif /* As server, disallow session resumption on renegotiation */ # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U /* Don't use compression even if supported */ # define SSL_OP_NO_COMPRESSION 0x00020000U /* Permit unsafe legacy renegotiation */ # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U /* Disable encrypt-then-mac */ # define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U /* * Enable TLSv1.3 Compatibility mode. This is on by default. A future version * of OpenSSL may have this disabled by default. */ # define SSL_OP_ENABLE_MIDDLEBOX_COMPAT 0x00100000U /* Prioritize Chacha20Poly1305 when client does. * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */ # define SSL_OP_PRIORITIZE_CHACHA 0x00200000U /* * Set on servers to choose the cipher according to the server's preferences */ # define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U /* * If set, a server will allow a client to issue a SSLv3.0 version number as * latest version supported in the premaster secret, even when TLSv1.0 * (version 3.1) was announced in the client hello. Normally this is * forbidden to prevent version rollback attacks. */ # define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U /* * Switches off automatic TLSv1.3 anti-replay protection for early data. This * is a server-side option only (no effect on the client). */ # define SSL_OP_NO_ANTI_REPLAY 0x01000000U # define SSL_OP_NO_SSLv3 0x02000000U # define SSL_OP_NO_TLSv1 0x04000000U # define SSL_OP_NO_TLSv1_2 0x08000000U # define SSL_OP_NO_TLSv1_1 0x10000000U # define SSL_OP_NO_TLSv1_3 0x20000000U # define SSL_OP_NO_DTLSv1 0x04000000U # define SSL_OP_NO_DTLSv1_2 0x08000000U # define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\ SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3) # define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2) /* Disallow all renegotiation */ # define SSL_OP_NO_RENEGOTIATION 0x40000000U /* * Make server add server-hello extension from early version of cryptopro * draft, when GOST ciphersuite is negotiated. Required for interoperability * with CryptoPro CSP 3.x */ # define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U /* * SSL_OP_ALL: various bug workarounds that should be rather harmless. * This used to be 0x000FFFFFL before 0.9.7. * This used to be 0x80000BFFU before 1.1.1. */ # define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\ SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\ SSL_OP_LEGACY_SERVER_CONNECT|\ SSL_OP_TLSEXT_PADDING|\ SSL_OP_SAFARI_ECDHE_ECDSA_BUG) /* OBSOLETE OPTIONS: retained for compatibility */ /* Removed from OpenSSL 1.1.0. Was 0x00000001L */ /* Related to removed SSLv2. */ # define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00000002L */ /* Related to removed SSLv2. */ # define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0 /* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */ /* Dead forever, see CVE-2010-4180 */ # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0 /* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */ /* Refers to ancient SSLREF and SSLv2. */ # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00000020 */ # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0 /* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */ # define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00000080 */ /* Ancient SSLeay version. */ # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00000100L */ # define SSL_OP_TLS_D5_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00000200L */ # define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00080000L */ # define SSL_OP_SINGLE_ECDH_USE 0x0 /* Removed from OpenSSL 1.1.0. Was 0x00100000L */ # define SSL_OP_SINGLE_DH_USE 0x0 /* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */ # define SSL_OP_EPHEMERAL_RSA 0x0 /* Removed from OpenSSL 1.1.0. Was 0x01000000L */ # define SSL_OP_NO_SSLv2 0x0 /* Removed from OpenSSL 1.0.1. Was 0x08000000L */ # define SSL_OP_PKCS1_CHECK_1 0x0 /* Removed from OpenSSL 1.0.1. Was 0x10000000L */ # define SSL_OP_PKCS1_CHECK_2 0x0 /* Removed from OpenSSL 1.1.0. Was 0x20000000L */ # define SSL_OP_NETSCAPE_CA_DN_BUG 0x0 /* Removed from OpenSSL 1.1.0. Was 0x40000000L */ # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0 /* * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success * when just a single record has been written): */ # define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U /* * Make it possible to retry SSL_write() with changed buffer location (buffer * contents must stay the same!); this is not the default to avoid the * misconception that non-blocking SSL_write() behaves like non-blocking * write(): */ # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U /* * Never bother the application with retries if the transport is blocking: */ # define SSL_MODE_AUTO_RETRY 0x00000004U /* Don't attempt to automatically build certificate chain */ # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U /* * Save RAM by releasing read and write buffers when they're empty. (SSL3 and * TLS only.) Released buffers are freed. */ # define SSL_MODE_RELEASE_BUFFERS 0x00000010U /* * Send the current time in the Random fields of the ClientHello and * ServerHello records for compatibility with hypothetical implementations * that require it. */ # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U /* * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications * that reconnect with a downgraded protocol version; see * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your * application attempts a normal handshake. Only use this in explicit * fallback retries, following the guidance in * draft-ietf-tls-downgrade-scsv-00. */ # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U /* * Support Asynchronous operation */ # define SSL_MODE_ASYNC 0x00000100U -/* - * Don't use the kernel TLS data-path for sending. - */ -# define SSL_MODE_NO_KTLS_TX 0x00000200U /* * 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 -/* - * Don't use the kernel TLS data-path for receiving. - */ -# define SSL_MODE_NO_KTLS_RX 0x00000800U /* Cert related flags */ /* * Many implementations ignore some aspects of the TLS standards such as * enforcing certificate chain algorithms. When this is set we enforce them. */ # define SSL_CERT_FLAG_TLS_STRICT 0x00000001U /* Suite B modes, takes same values as certificate verify flags */ # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000 /* Suite B 192 bit only mode */ # define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000 /* Suite B 128 bit mode allowing 192 bit algorithms */ # define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000 /* Perform all sorts of protocol violations for testing purposes */ # define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000 /* Flags for building certificate chains */ /* Treat any existing certificates as untrusted CAs */ # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1 /* Don't include root CA in chain */ # define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2 /* Just check certificates already there */ # define SSL_BUILD_CHAIN_FLAG_CHECK 0x4 /* Ignore verification errors */ # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8 /* Clear verification errors from queue */ # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10 /* Flags returned by SSL_check_chain */ /* Certificate can be used with this session */ # define CERT_PKEY_VALID 0x1 /* Certificate can also be used for signing */ # define CERT_PKEY_SIGN 0x2 /* EE certificate signing algorithm OK */ # define CERT_PKEY_EE_SIGNATURE 0x10 /* CA signature algorithms OK */ # define CERT_PKEY_CA_SIGNATURE 0x20 /* EE certificate parameters OK */ # define CERT_PKEY_EE_PARAM 0x40 /* CA certificate parameters OK */ # define CERT_PKEY_CA_PARAM 0x80 /* Signing explicitly allowed as opposed to SHA1 fallback */ # define CERT_PKEY_EXPLICIT_SIGN 0x100 /* Client CA issuer names match (always set for server cert) */ # define CERT_PKEY_ISSUER_NAME 0x200 /* Cert type matches client types (always set for server cert) */ # define CERT_PKEY_CERT_TYPE 0x400 /* Cert chain suitable to Suite B */ # define CERT_PKEY_SUITEB 0x800 # define SSL_CONF_FLAG_CMDLINE 0x1 # define SSL_CONF_FLAG_FILE 0x2 # define SSL_CONF_FLAG_CLIENT 0x4 # define SSL_CONF_FLAG_SERVER 0x8 # define SSL_CONF_FLAG_SHOW_ERRORS 0x10 # define SSL_CONF_FLAG_CERTIFICATE 0x20 # define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40 /* Configuration value types */ # define SSL_CONF_TYPE_UNKNOWN 0x0 # define SSL_CONF_TYPE_STRING 0x1 # define SSL_CONF_TYPE_FILE 0x2 # define SSL_CONF_TYPE_DIR 0x3 # define SSL_CONF_TYPE_NONE 0x4 /* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */ # define SSL_COOKIE_LENGTH 4096 /* * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they * cannot be used to clear bits. */ unsigned long SSL_CTX_get_options(const SSL_CTX *ctx); unsigned long SSL_get_options(const SSL *s); unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op); unsigned long SSL_clear_options(SSL *s, unsigned long op); unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op); unsigned long SSL_set_options(SSL *s, unsigned long op); # define SSL_CTX_set_mode(ctx,op) \ SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL) # define SSL_CTX_clear_mode(ctx,op) \ SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL) # define SSL_CTX_get_mode(ctx) \ SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL) # define SSL_clear_mode(ssl,op) \ SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL) # define SSL_set_mode(ssl,op) \ SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL) # define SSL_get_mode(ssl) \ SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL) # define SSL_set_mtu(ssl, mtu) \ SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL) # define DTLS_set_link_mtu(ssl, mtu) \ SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL) # define DTLS_get_link_min_mtu(ssl) \ SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL) # define SSL_get_secure_renegotiation_support(ssl) \ SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL) # ifndef OPENSSL_NO_HEARTBEATS # define SSL_heartbeat(ssl) \ SSL_ctrl((ssl),SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT,0,NULL) # endif # define SSL_CTX_set_cert_flags(ctx,op) \ SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL) # define SSL_set_cert_flags(s,op) \ SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL) # define SSL_CTX_clear_cert_flags(ctx,op) \ SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL) # define SSL_clear_cert_flags(s,op) \ SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL) void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb) (int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)); void SSL_set_msg_callback(SSL *ssl, void (*cb) (int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)); # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg)) # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg)) # define SSL_get_extms_support(s) \ SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL) # ifndef OPENSSL_NO_SRP /* see tls_srp.c */ __owur int SSL_SRP_CTX_init(SSL *s); __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx); int SSL_SRP_CTX_free(SSL *ctx); int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx); __owur int SSL_srp_server_param_with_username(SSL *s, int *ad); __owur int SRP_Calc_A_param(SSL *s); # endif /* 100k max cert list */ # define SSL_MAX_CERT_LIST_DEFAULT 1024*100 # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20) /* * This callback type is used inside SSL_CTX, SSL, and in the functions that * set them. It is used to override the generation of SSL/TLS session IDs in * a server. Return value should be zero on an error, non-zero to proceed. * Also, callbacks should themselves check if the id they generate is unique * otherwise the SSL handshake will fail with an error - callbacks can do * this using the 'ssl' value they're passed by; * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32 * bytes. The callback can alter this length to be less if desired. It is * also an error for the callback to set the size to zero. */ typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id, unsigned int *id_len); # define SSL_SESS_CACHE_OFF 0x0000 # define SSL_SESS_CACHE_CLIENT 0x0001 # define SSL_SESS_CACHE_SERVER 0x0002 # define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER) # define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */ # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100 # define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200 # define SSL_SESS_CACHE_NO_INTERNAL \ (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE) LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx); # define SSL_CTX_sess_number(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL) # define SSL_CTX_sess_connect(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL) # define SSL_CTX_sess_connect_good(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL) # define SSL_CTX_sess_connect_renegotiate(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL) # define SSL_CTX_sess_accept(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL) # define SSL_CTX_sess_accept_renegotiate(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL) # define SSL_CTX_sess_accept_good(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL) # define SSL_CTX_sess_hits(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL) # define SSL_CTX_sess_cb_hits(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL) # define SSL_CTX_sess_misses(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL) # define SSL_CTX_sess_timeouts(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL) # define SSL_CTX_sess_cache_full(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL) void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess)); int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl, SSL_SESSION *sess); void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess)); void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, const unsigned char *data, int len, int *copy)); SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl, const unsigned char *data, int len, int *copy); void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb) (const SSL *ssl, int type, int val)); void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type, int val); void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey)); int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); # ifndef OPENSSL_NO_ENGINE __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e); # endif void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)); void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, unsigned int cookie_len)); void SSL_CTX_set_stateless_cookie_generate_cb( SSL_CTX *ctx, int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie, size_t *cookie_len)); void SSL_CTX_set_stateless_cookie_verify_cb( SSL_CTX *ctx, int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie, size_t cookie_len)); # ifndef OPENSSL_NO_NEXTPROTONEG typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg); void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, SSL_CTX_npn_advertised_cb_func cb, void *arg); # define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg); void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, SSL_CTX_npn_select_cb_func cb, void *arg); # define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len); # define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated # endif __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, const unsigned char *client, unsigned int client_len); # define OPENSSL_NPN_UNSUPPORTED 0 # define OPENSSL_NPN_NEGOTIATED 1 # define OPENSSL_NPN_NO_OVERLAP 2 __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, unsigned int protos_len); __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, unsigned int protos_len); typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg); void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, SSL_CTX_alpn_select_cb_func cb, void *arg); void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, unsigned int *len); # ifndef OPENSSL_NO_PSK /* * the maximum length of the buffer given to callbacks containing the * resulting identity/psk */ # define PSK_MAX_IDENTITY_LEN 128 # define PSK_MAX_PSK_LEN 256 typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len); void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb); void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb); typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl, const char *identity, unsigned char *psk, unsigned int max_psk_len); void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb); void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb); __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint); __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint); const char *SSL_get_psk_identity_hint(const SSL *s); const char *SSL_get_psk_identity(const SSL *s); # endif typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl, const unsigned char *identity, size_t identity_len, SSL_SESSION **sess); typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md, const unsigned char **id, size_t *idlen, SSL_SESSION **sess); void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb); void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx, SSL_psk_find_session_cb_func cb); void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb); void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx, SSL_psk_use_session_cb_func cb); /* Register callbacks to handle custom TLS Extensions for client or server. */ __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type); __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, unsigned int ext_type, custom_ext_add_cb add_cb, custom_ext_free_cb free_cb, void *add_arg, custom_ext_parse_cb parse_cb, void *parse_arg); __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, unsigned int ext_type, custom_ext_add_cb add_cb, custom_ext_free_cb free_cb, void *add_arg, custom_ext_parse_cb parse_cb, void *parse_arg); __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type, unsigned int context, SSL_custom_ext_add_cb_ex add_cb, SSL_custom_ext_free_cb_ex free_cb, void *add_arg, SSL_custom_ext_parse_cb_ex parse_cb, void *parse_arg); __owur int SSL_extension_supported(unsigned int ext_type); # define SSL_NOTHING 1 # define SSL_WRITING 2 # define SSL_READING 3 # define SSL_X509_LOOKUP 4 # define SSL_ASYNC_PAUSED 5 # define SSL_ASYNC_NO_JOBS 6 # define SSL_CLIENT_HELLO_CB 7 /* These will only be used when doing non-blocking IO */ # define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING) # define SSL_want_read(s) (SSL_want(s) == SSL_READING) # define SSL_want_write(s) (SSL_want(s) == SSL_WRITING) # define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP) # define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED) # define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS) # define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB) # define SSL_MAC_FLAG_READ_MAC_STREAM 1 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2 /* * A callback for logging out TLS key material. This callback should log out * |line| followed by a newline. */ typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line); /* * SSL_CTX_set_keylog_callback configures a callback to log key material. This * is intended for debugging use with tools like Wireshark. The cb function * should log line followed by a newline. */ void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb); /* * SSL_CTX_get_keylog_callback returns the callback configured by * SSL_CTX_set_keylog_callback. */ SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx); int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data); uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx); int SSL_set_max_early_data(SSL *s, uint32_t max_early_data); uint32_t SSL_get_max_early_data(const SSL *s); int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data); uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx); int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data); uint32_t SSL_get_recv_max_early_data(const SSL *s); #ifdef __cplusplus } #endif # include # include # include /* This is mostly sslv3 with a few tweaks */ # include /* Datagram TLS */ # include /* Support for the use_srtp extension */ #ifdef __cplusplus extern "C" { #endif /* * These need to be after the above set of includes due to a compiler bug * in VisualStudio 2015 */ DEFINE_STACK_OF_CONST(SSL_CIPHER) DEFINE_STACK_OF(SSL_COMP) /* compatibility */ # define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg))) # define SSL_get_app_data(s) (SSL_get_ex_data(s,0)) # define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \ (char *)(a))) # define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0)) # define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0)) # define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \ (char *)(arg))) DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL *s, int debug)) /* TLSv1.3 KeyUpdate message types */ /* -1 used so that this is an invalid value for the on-the-wire protocol */ #define SSL_KEY_UPDATE_NONE -1 /* Values as defined for the on-the-wire protocol */ #define SSL_KEY_UPDATE_NOT_REQUESTED 0 #define SSL_KEY_UPDATE_REQUESTED 1 /* * The valid handshake states (one for each type message sent and one for each * type of message received). There are also two "special" states: * TLS = TLS or DTLS state * DTLS = DTLS specific state * CR/SR = Client Read/Server Read * CW/SW = Client Write/Server Write * * The "special" states are: * TLS_ST_BEFORE = No handshake has been initiated yet * TLS_ST_OK = A handshake has been successfully completed */ typedef enum { TLS_ST_BEFORE, TLS_ST_OK, DTLS_ST_CR_HELLO_VERIFY_REQUEST, TLS_ST_CR_SRVR_HELLO, TLS_ST_CR_CERT, TLS_ST_CR_CERT_STATUS, TLS_ST_CR_KEY_EXCH, TLS_ST_CR_CERT_REQ, TLS_ST_CR_SRVR_DONE, TLS_ST_CR_SESSION_TICKET, TLS_ST_CR_CHANGE, TLS_ST_CR_FINISHED, TLS_ST_CW_CLNT_HELLO, TLS_ST_CW_CERT, TLS_ST_CW_KEY_EXCH, TLS_ST_CW_CERT_VRFY, TLS_ST_CW_CHANGE, TLS_ST_CW_NEXT_PROTO, TLS_ST_CW_FINISHED, TLS_ST_SW_HELLO_REQ, TLS_ST_SR_CLNT_HELLO, DTLS_ST_SW_HELLO_VERIFY_REQUEST, TLS_ST_SW_SRVR_HELLO, TLS_ST_SW_CERT, TLS_ST_SW_KEY_EXCH, TLS_ST_SW_CERT_REQ, TLS_ST_SW_SRVR_DONE, TLS_ST_SR_CERT, TLS_ST_SR_KEY_EXCH, TLS_ST_SR_CERT_VRFY, TLS_ST_SR_NEXT_PROTO, TLS_ST_SR_CHANGE, TLS_ST_SR_FINISHED, TLS_ST_SW_SESSION_TICKET, TLS_ST_SW_CERT_STATUS, TLS_ST_SW_CHANGE, TLS_ST_SW_FINISHED, TLS_ST_SW_ENCRYPTED_EXTENSIONS, TLS_ST_CR_ENCRYPTED_EXTENSIONS, TLS_ST_CR_CERT_VRFY, TLS_ST_SW_CERT_VRFY, TLS_ST_CR_HELLO_REQ, TLS_ST_SW_KEY_UPDATE, TLS_ST_CW_KEY_UPDATE, TLS_ST_SR_KEY_UPDATE, TLS_ST_CR_KEY_UPDATE, TLS_ST_EARLY_DATA, TLS_ST_PENDING_EARLY_DATA_END, TLS_ST_CW_END_OF_EARLY_DATA, TLS_ST_SR_END_OF_EARLY_DATA } OSSL_HANDSHAKE_STATE; /* * Most of the following state values are no longer used and are defined to be * the closest equivalent value in the current state machine code. Not all * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP, * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT. */ # define SSL_ST_CONNECT 0x1000 # define SSL_ST_ACCEPT 0x2000 # define SSL_ST_MASK 0x0FFF # define SSL_CB_LOOP 0x01 # define SSL_CB_EXIT 0x02 # define SSL_CB_READ 0x04 # define SSL_CB_WRITE 0x08 # define SSL_CB_ALERT 0x4000/* used in callback */ # define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ) # define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE) # define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP) # define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT) # define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP) # define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT) # define SSL_CB_HANDSHAKE_START 0x10 # define SSL_CB_HANDSHAKE_DONE 0x20 /* Is the SSL_connection established? */ # define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a)) # define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a)) int SSL_in_init(const SSL *s); int SSL_in_before(const SSL *s); int SSL_is_init_finished(const SSL *s); /* * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you * should not need these */ # define SSL_ST_READ_HEADER 0xF0 # define SSL_ST_READ_BODY 0xF1 # define SSL_ST_READ_DONE 0xF2 /*- * Obtain latest Finished message * -- that we sent (SSL_get_finished) * -- that we expected from peer (SSL_get_peer_finished). * Returns length (0 == no Finished so far), copies up to 'count' bytes. */ size_t SSL_get_finished(const SSL *s, void *buf, size_t count); size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count); /* * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are * 'ored' with SSL_VERIFY_PEER if they are desired */ # define SSL_VERIFY_NONE 0x00 # define SSL_VERIFY_PEER 0x01 # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02 # define SSL_VERIFY_CLIENT_ONCE 0x04 # define SSL_VERIFY_POST_HANDSHAKE 0x08 # if OPENSSL_API_COMPAT < 0x10100000L # define OpenSSL_add_ssl_algorithms() SSL_library_init() # define SSLeay_add_ssl_algorithms() SSL_library_init() # endif /* More backward compatibility */ # define SSL_get_cipher(s) \ SSL_CIPHER_get_name(SSL_get_current_cipher(s)) # define SSL_get_cipher_bits(s,np) \ SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np) # define SSL_get_cipher_version(s) \ SSL_CIPHER_get_version(SSL_get_current_cipher(s)) # define SSL_get_cipher_name(s) \ SSL_CIPHER_get_name(SSL_get_current_cipher(s)) # define SSL_get_time(a) SSL_SESSION_get_time(a) # define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b)) # define SSL_get_timeout(a) SSL_SESSION_get_timeout(a) # define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b)) # define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id) # define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id) DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION) # define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value * from SSL_AD_... */ /* These alert types are for SSLv3 and TLSv1 */ # define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY /* fatal */ # define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE /* fatal */ # define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC # define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED # define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW /* fatal */ # define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE /* fatal */ # define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE /* Not for TLS */ # define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE # define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE # define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE # define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED # define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED # define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN /* fatal */ # define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER /* fatal */ # define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA /* fatal */ # define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED /* fatal */ # define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR # define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR /* fatal */ # define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION /* fatal */ # define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION /* fatal */ # define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY /* fatal */ # define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR # define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED # define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION # define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION # define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED # define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION # define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE # define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME # define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE # define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE /* fatal */ # define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */ # define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK # define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL # define SSL_ERROR_NONE 0 # define SSL_ERROR_SSL 1 # define SSL_ERROR_WANT_READ 2 # define SSL_ERROR_WANT_WRITE 3 # define SSL_ERROR_WANT_X509_LOOKUP 4 # define SSL_ERROR_SYSCALL 5/* look at error stack/return * value/errno */ # define SSL_ERROR_ZERO_RETURN 6 # define SSL_ERROR_WANT_CONNECT 7 # define SSL_ERROR_WANT_ACCEPT 8 # define SSL_ERROR_WANT_ASYNC 9 # define SSL_ERROR_WANT_ASYNC_JOB 10 # define SSL_ERROR_WANT_CLIENT_HELLO_CB 11 # define SSL_CTRL_SET_TMP_DH 3 # define SSL_CTRL_SET_TMP_ECDH 4 # define SSL_CTRL_SET_TMP_DH_CB 6 # define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9 # define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10 # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11 # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12 # define SSL_CTRL_GET_FLAGS 13 # define SSL_CTRL_EXTRA_CHAIN_CERT 14 # define SSL_CTRL_SET_MSG_CALLBACK 15 # define SSL_CTRL_SET_MSG_CALLBACK_ARG 16 /* only applies to datagram connections */ # define SSL_CTRL_SET_MTU 17 /* Stats */ # define SSL_CTRL_SESS_NUMBER 20 # define SSL_CTRL_SESS_CONNECT 21 # define SSL_CTRL_SESS_CONNECT_GOOD 22 # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23 # define SSL_CTRL_SESS_ACCEPT 24 # define SSL_CTRL_SESS_ACCEPT_GOOD 25 # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26 # define SSL_CTRL_SESS_HIT 27 # define SSL_CTRL_SESS_CB_HIT 28 # define SSL_CTRL_SESS_MISSES 29 # define SSL_CTRL_SESS_TIMEOUTS 30 # define SSL_CTRL_SESS_CACHE_FULL 31 # define SSL_CTRL_MODE 33 # define SSL_CTRL_GET_READ_AHEAD 40 # define SSL_CTRL_SET_READ_AHEAD 41 # define SSL_CTRL_SET_SESS_CACHE_SIZE 42 # define SSL_CTRL_GET_SESS_CACHE_SIZE 43 # define SSL_CTRL_SET_SESS_CACHE_MODE 44 # define SSL_CTRL_GET_SESS_CACHE_MODE 45 # define SSL_CTRL_GET_MAX_CERT_LIST 50 # define SSL_CTRL_SET_MAX_CERT_LIST 51 # define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52 /* see tls1.h for macros based on these */ # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54 # define SSL_CTRL_SET_TLSEXT_HOSTNAME 55 # define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56 # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57 # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58 # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */ /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */ /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */ # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71 # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75 # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76 # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77 # define SSL_CTRL_SET_SRP_ARG 78 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79 # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80 # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81 # ifndef OPENSSL_NO_HEARTBEATS # define SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT 85 # define SSL_CTRL_GET_DTLS_EXT_HEARTBEAT_PENDING 86 # define SSL_CTRL_SET_DTLS_EXT_HEARTBEAT_NO_REQUESTS 87 # endif # define DTLS_CTRL_GET_TIMEOUT 73 # define DTLS_CTRL_HANDLE_TIMEOUT 74 # define SSL_CTRL_GET_RI_SUPPORT 76 # define SSL_CTRL_CLEAR_MODE 78 # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79 # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82 # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83 # define SSL_CTRL_CHAIN 88 # define SSL_CTRL_CHAIN_CERT 89 # define SSL_CTRL_GET_GROUPS 90 # define SSL_CTRL_SET_GROUPS 91 # define SSL_CTRL_SET_GROUPS_LIST 92 # define SSL_CTRL_GET_SHARED_GROUP 93 # define SSL_CTRL_SET_SIGALGS 97 # define SSL_CTRL_SET_SIGALGS_LIST 98 # define SSL_CTRL_CERT_FLAGS 99 # define SSL_CTRL_CLEAR_CERT_FLAGS 100 # define SSL_CTRL_SET_CLIENT_SIGALGS 101 # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102 # define SSL_CTRL_GET_CLIENT_CERT_TYPES 103 # define SSL_CTRL_SET_CLIENT_CERT_TYPES 104 # define SSL_CTRL_BUILD_CERT_CHAIN 105 # define SSL_CTRL_SET_VERIFY_CERT_STORE 106 # define SSL_CTRL_SET_CHAIN_CERT_STORE 107 # define SSL_CTRL_GET_PEER_SIGNATURE_NID 108 # define SSL_CTRL_GET_PEER_TMP_KEY 109 # define SSL_CTRL_GET_RAW_CIPHERLIST 110 # define SSL_CTRL_GET_EC_POINT_FORMATS 111 # define SSL_CTRL_GET_CHAIN_CERTS 115 # define SSL_CTRL_SELECT_CURRENT_CERT 116 # define SSL_CTRL_SET_CURRENT_CERT 117 # define SSL_CTRL_SET_DH_AUTO 118 # define DTLS_CTRL_SET_LINK_MTU 120 # define DTLS_CTRL_GET_LINK_MIN_MTU 121 # define SSL_CTRL_GET_EXTMS_SUPPORT 122 # define SSL_CTRL_SET_MIN_PROTO_VERSION 123 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124 # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125 # define SSL_CTRL_SET_MAX_PIPELINES 126 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129 # define SSL_CTRL_GET_MIN_PROTO_VERSION 130 # define SSL_CTRL_GET_MAX_PROTO_VERSION 131 # define SSL_CTRL_GET_SIGNATURE_NID 132 # define SSL_CTRL_GET_TMP_KEY 133 # define SSL_CERT_SET_FIRST 1 # define SSL_CERT_SET_NEXT 2 # define SSL_CERT_SET_SERVER 3 # define DTLSv1_get_timeout(ssl, arg) \ SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg)) # define DTLSv1_handle_timeout(ssl) \ SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL) # define SSL_num_renegotiations(ssl) \ SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL) # define SSL_clear_num_renegotiations(ssl) \ SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL) # define SSL_total_renegotiations(ssl) \ SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL) # define SSL_CTX_set_tmp_dh(ctx,dh) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) # define SSL_CTX_set_dh_auto(ctx, onoff) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL) # define SSL_set_dh_auto(s, onoff) \ SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL) # define SSL_set_tmp_dh(ssl,dh) \ SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh)) # define SSL_set_tmp_ecdh(ssl,ecdh) \ SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh)) # define SSL_CTX_add_extra_chain_cert(ctx,x509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509)) # define SSL_CTX_get_extra_chain_certs(ctx,px509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509) # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509) # define SSL_CTX_clear_extra_chain_certs(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL) # define SSL_CTX_set0_chain(ctx,sk) \ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk)) # define SSL_CTX_set1_chain(ctx,sk) \ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk)) # define SSL_CTX_add0_chain_cert(ctx,x509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509)) # define SSL_CTX_add1_chain_cert(ctx,x509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509)) # define SSL_CTX_get0_chain_certs(ctx,px509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509) # define SSL_CTX_clear_chain_certs(ctx) \ SSL_CTX_set0_chain(ctx,NULL) # define SSL_CTX_build_cert_chain(ctx, flags) \ SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL) # define SSL_CTX_select_current_cert(ctx,x509) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509)) # define SSL_CTX_set_current_cert(ctx, op) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL) # define SSL_CTX_set0_verify_cert_store(ctx,st) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st)) # define SSL_CTX_set1_verify_cert_store(ctx,st) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st)) # define SSL_CTX_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_CTX_set1_sigalgs(ctx, slist, slistlen) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist)) # define SSL_CTX_set1_sigalgs_list(ctx, s) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s)) # define SSL_set1_sigalgs(s, slist, slistlen) \ SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist)) # define SSL_set1_sigalgs_list(s, str) \ SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str)) # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist)) # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s)) # define SSL_set1_client_sigalgs(s, slist, slistlen) \ SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist)) # define SSL_set1_client_sigalgs_list(s, str) \ SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str)) # define SSL_get0_certificate_types(s, clist) \ SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist)) # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \ (char *)(clist)) # define SSL_set1_client_certificate_types(s, clist, clistlen) \ SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist)) # define SSL_get_signature_nid(s, pn) \ SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn) # define SSL_get_peer_signature_nid(s, pn) \ SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn) # define SSL_get_peer_tmp_key(s, pk) \ SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk) # define SSL_get_tmp_key(s, pk) \ SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk) # define SSL_get0_raw_cipherlist(s, plst) \ SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst) # define SSL_get0_ec_point_formats(s, plst) \ SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst) # define SSL_CTX_set_min_proto_version(ctx, version) \ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL) # define SSL_CTX_set_max_proto_version(ctx, version) \ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL) # define SSL_CTX_get_min_proto_version(ctx) \ SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL) # define SSL_CTX_get_max_proto_version(ctx) \ SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL) # define SSL_set_min_proto_version(s, version) \ SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL) # define SSL_set_max_proto_version(s, version) \ SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL) # define SSL_get_min_proto_version(s) \ SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL) # define SSL_get_max_proto_version(s) \ SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL) /* Backwards compatibility, original 1.1.0 names */ # define SSL_CTRL_GET_SERVER_TMP_KEY \ SSL_CTRL_GET_PEER_TMP_KEY # define SSL_get_server_tmp_key(s, pk) \ SSL_get_peer_tmp_key(s, pk) /* * The following symbol names are old and obsolete. They are kept * for compatibility reasons only and should not be used anymore. */ # define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS # define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS # define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST # define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP # define SSL_get1_curves SSL_get1_groups # define SSL_CTX_set1_curves SSL_CTX_set1_groups # define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list # define SSL_set1_curves SSL_set1_groups # define SSL_set1_curves_list SSL_set1_groups_list # define SSL_get_shared_curve SSL_get_shared_group # if OPENSSL_API_COMPAT < 0x10100000L /* Provide some compatibility macros for removed functionality. */ # define SSL_CTX_need_tmp_RSA(ctx) 0 # define SSL_CTX_set_tmp_rsa(ctx,rsa) 1 # define SSL_need_tmp_RSA(ssl) 0 # define SSL_set_tmp_rsa(ssl,rsa) 1 # define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0) # define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0) /* * We "pretend" to call the callback to avoid warnings about unused static * functions. */ # define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0) # define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0) # endif __owur const BIO_METHOD *BIO_f_ssl(void); __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client); __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx); __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx); __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from); void BIO_ssl_shutdown(BIO *ssl_bio); __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str); __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth); int SSL_CTX_up_ref(SSL_CTX *ctx); void SSL_CTX_free(SSL_CTX *); __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t); __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx); __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *); void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *); void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *); __owur int SSL_want(const SSL *s); __owur int SSL_clear(SSL *s); void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm); __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s); __owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s); __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits); __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c); __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c); __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c); __owur const char *OPENSSL_cipher_name(const char *rfc_name); __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c); __owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c); __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c); __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c); __owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c); __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c); __owur int SSL_get_fd(const SSL *s); __owur int SSL_get_rfd(const SSL *s); __owur int SSL_get_wfd(const SSL *s); __owur const char *SSL_get_cipher_list(const SSL *s, int n); __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size); __owur int SSL_get_read_ahead(const SSL *s); __owur int SSL_pending(const SSL *s); __owur int SSL_has_pending(const SSL *s); # ifndef OPENSSL_NO_SOCK __owur int SSL_set_fd(SSL *s, int fd); __owur int SSL_set_rfd(SSL *s, int fd); __owur int SSL_set_wfd(SSL *s, int fd); # endif void SSL_set0_rbio(SSL *s, BIO *rbio); void SSL_set0_wbio(SSL *s, BIO *wbio); void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio); __owur BIO *SSL_get_rbio(const SSL *s); __owur BIO *SSL_get_wbio(const SSL *s); __owur int SSL_set_cipher_list(SSL *s, const char *str); __owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str); __owur int SSL_set_ciphersuites(SSL *s, const char *str); void SSL_set_read_ahead(SSL *s, int yes); __owur int SSL_get_verify_mode(const SSL *s); __owur int SSL_get_verify_depth(const SSL *s); __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s); void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback); void SSL_set_verify_depth(SSL *s, int depth); void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg); # ifndef OPENSSL_NO_RSA __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa); __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len); # endif __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey); __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d, long len); __owur int SSL_use_certificate(SSL *ssl, X509 *x); __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len); __owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey, STACK_OF(X509) *chain, int override); /* serverinfo file format versions */ # define SSL_SERVERINFOV1 1 # define SSL_SERVERINFOV2 2 /* Set serverinfo data for the current active cert. */ __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo, size_t serverinfo_length); __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version, const unsigned char *serverinfo, size_t serverinfo_length); __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file); #ifndef OPENSSL_NO_RSA __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type); #endif __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type); __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type); #ifndef OPENSSL_NO_RSA __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type); #endif __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type); __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type); /* PEM type */ __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file); __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file); __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs, const char *file); int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs, const char *dir); # if OPENSSL_API_COMPAT < 0x10100000L # define SSL_load_error_strings() \ OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \ | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL) # endif __owur const char *SSL_state_string(const SSL *s); __owur const char *SSL_rstate_string(const SSL *s); __owur const char *SSL_state_string_long(const SSL *s); __owur const char *SSL_rstate_string_long(const SSL *s); __owur long SSL_SESSION_get_time(const SSL_SESSION *s); __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t); __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s); __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t); __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s); __owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version); __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s); __owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname); void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s, const unsigned char **alpn, size_t *len); __owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s, const unsigned char *alpn, size_t len); __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s); __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher); __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s); __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s); void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick, size_t *len); __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s); __owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s, uint32_t max_early_data); __owur int SSL_copy_session_id(SSL *to, const SSL *from); __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s); __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx, unsigned int sid_ctx_len); __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid, unsigned int sid_len); __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s); __owur SSL_SESSION *SSL_SESSION_new(void); __owur SSL_SESSION *SSL_SESSION_dup(SSL_SESSION *src); const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len); const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s, unsigned int *len); __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s); # ifndef OPENSSL_NO_STDIO int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses); # endif int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses); int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x); int SSL_SESSION_up_ref(SSL_SESSION *ses); void SSL_SESSION_free(SSL_SESSION *ses); __owur int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp); __owur int SSL_set_session(SSL *to, SSL_SESSION *session); int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session); int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session); __owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb); __owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb); __owur int SSL_has_matching_session_id(const SSL *s, const unsigned char *id, unsigned int id_len); SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, long length); # ifdef HEADER_X509_H __owur X509 *SSL_get_peer_certificate(const SSL *s); # endif __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s); __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx); __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx); __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx); void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback); void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth); void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb) (X509_STORE_CTX *, void *), void *arg); void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg); # ifndef OPENSSL_NO_RSA __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa); __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len); # endif __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey); __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, const unsigned char *d, long len); __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x); __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d); __owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey, STACK_OF(X509) *chain, int override); void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb); void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u); pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx); void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx); void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb); void SSL_set_default_passwd_cb_userdata(SSL *s, void *u); pem_password_cb *SSL_get_default_passwd_cb(SSL *s); void *SSL_get_default_passwd_cb_userdata(SSL *s); __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx); __owur int SSL_check_private_key(const SSL *ctx); __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, unsigned int sid_ctx_len); SSL *SSL_new(SSL_CTX *ctx); int SSL_up_ref(SSL *s); int SSL_is_dtls(const SSL *s); __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, unsigned int sid_ctx_len); __owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose); __owur int SSL_set_purpose(SSL *ssl, int purpose); __owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust); __owur int SSL_set_trust(SSL *ssl, int trust); __owur int SSL_set1_host(SSL *s, const char *hostname); __owur int SSL_add1_host(SSL *s, const char *hostname); __owur const char *SSL_get0_peername(SSL *s); void SSL_set_hostflags(SSL *s, unsigned int flags); __owur int SSL_CTX_dane_enable(SSL_CTX *ctx); __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype, uint8_t ord); __owur int SSL_dane_enable(SSL *s, const char *basedomain); __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector, uint8_t mtype, unsigned const char *data, size_t dlen); __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki); __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector, uint8_t *mtype, unsigned const char **data, size_t *dlen); /* * Bridge opacity barrier between libcrypt and libssl, also needed to support * offline testing in test/danetest.c */ SSL_DANE *SSL_get0_dane(SSL *ssl); /* * DANE flags */ unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags); unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags); unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags); unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags); __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm); __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm); __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx); __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl); # ifndef OPENSSL_NO_SRP int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name); int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password); int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength); int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx, char *(*cb) (SSL *, void *)); int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx, int (*cb) (SSL *, void *)); int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx, int (*cb) (SSL *, int *, void *)); int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg); int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g, BIGNUM *sa, BIGNUM *v, char *info); int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass, const char *grp); __owur BIGNUM *SSL_get_srp_g(SSL *s); __owur BIGNUM *SSL_get_srp_N(SSL *s); __owur char *SSL_get_srp_username(SSL *s); __owur char *SSL_get_srp_userinfo(SSL *s); # endif /* * ClientHello callback and helpers. */ # define SSL_CLIENT_HELLO_SUCCESS 1 # define SSL_CLIENT_HELLO_ERROR 0 # define SSL_CLIENT_HELLO_RETRY (-1) typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg); void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb, void *arg); int SSL_client_hello_isv2(SSL *s); unsigned int SSL_client_hello_get0_legacy_version(SSL *s); size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out); size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out); size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out); size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out); int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen); int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out, size_t *outlen); void SSL_certs_clear(SSL *s); void SSL_free(SSL *ssl); # ifdef OSSL_ASYNC_FD /* * Windows application developer has to include windows.h to use these. */ __owur int SSL_waiting_for_async(SSL *s); __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds); __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds, OSSL_ASYNC_FD *delfd, size_t *numdelfds); # endif __owur int SSL_accept(SSL *ssl); __owur int SSL_stateless(SSL *s); __owur int SSL_connect(SSL *ssl); __owur int SSL_read(SSL *ssl, void *buf, int num); __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes); # define SSL_READ_EARLY_DATA_ERROR 0 # define SSL_READ_EARLY_DATA_SUCCESS 1 # define SSL_READ_EARLY_DATA_FINISH 2 __owur int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes); __owur int SSL_peek(SSL *ssl, void *buf, int num); __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes); __owur 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 */ __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth); # ifndef OPENSSL_NO_SSL3_METHOD DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void)) # endif #define SSLv23_method TLS_method #define SSLv23_server_method TLS_server_method #define SSLv23_client_method TLS_client_method /* Negotiate highest available SSL/TLS version */ __owur const SSL_METHOD *TLS_method(void); __owur const SSL_METHOD *TLS_server_method(void); __owur const SSL_METHOD *TLS_client_method(void); # ifndef OPENSSL_NO_TLS1_METHOD DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void)) # endif # ifndef OPENSSL_NO_TLS1_1_METHOD DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void)) # endif # ifndef OPENSSL_NO_TLS1_2_METHOD DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void)) # endif # ifndef OPENSSL_NO_DTLS1_METHOD DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void)) # endif # ifndef OPENSSL_NO_DTLS1_2_METHOD /* DTLSv1.2 */ DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void)) DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void)) # endif __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */ __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */ __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */ __owur size_t DTLS_get_data_mtu(const SSL *s); __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s); __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx); __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s); __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s); __owur int SSL_do_handshake(SSL *s); int SSL_key_update(SSL *s, int updatetype); int SSL_get_key_update_type(const SSL *s); int SSL_renegotiate(SSL *s); int SSL_renegotiate_abbreviated(SSL *s); __owur int SSL_renegotiate_pending(const SSL *s); int SSL_shutdown(SSL *s); __owur int SSL_verify_client_post_handshake(SSL *s); void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val); void SSL_set_post_handshake_auth(SSL *s, int val); __owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx); __owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s); __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method); __owur const char *SSL_alert_type_string_long(int value); __owur const char *SSL_alert_type_string(int value); __owur const char *SSL_alert_desc_string_long(int value); __owur const char *SSL_alert_desc_string(int value); void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list); void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list); __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s); __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx); __owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x); __owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x); __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s); void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list); void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list); __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s); __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s); __owur int SSL_add_client_CA(SSL *ssl, X509 *x); __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x); void SSL_set_connect_state(SSL *s); void SSL_set_accept_state(SSL *s); __owur long SSL_get_default_timeout(const SSL *s); # if OPENSSL_API_COMPAT < 0x10100000L # define SSL_library_init() OPENSSL_init_ssl(0, NULL) # endif __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size); __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk); __owur SSL *SSL_dup(SSL *ssl); __owur X509 *SSL_get_certificate(const SSL *ssl); /* * EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl); __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx); __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx); void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode); __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx); void SSL_set_quiet_shutdown(SSL *ssl, int mode); __owur int SSL_get_quiet_shutdown(const SSL *ssl); void SSL_set_shutdown(SSL *ssl, int mode); __owur int SSL_get_shutdown(const SSL *ssl); __owur int SSL_version(const SSL *ssl); __owur int SSL_client_version(const SSL *s); __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx); __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx); __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx); __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, const char *CApath); # define SSL_get0_session SSL_get_session/* just peek at pointer */ __owur SSL_SESSION *SSL_get_session(const SSL *ssl); __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */ __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl); SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx); void SSL_set_info_callback(SSL *ssl, void (*cb) (const SSL *ssl, int type, int val)); void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type, int val); __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl); void SSL_set_verify_result(SSL *ssl, long v); __owur long SSL_get_verify_result(const SSL *ssl); __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s); __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen); __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen); __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess, unsigned char *out, size_t outlen); __owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in, size_t len); uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess); #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef) __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data); void *SSL_get_ex_data(const SSL *ssl, int idx); #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef) __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data); void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx); #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef) __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data); void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx); __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void); # define SSL_CTX_sess_set_cache_size(ctx,t) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL) # define SSL_CTX_sess_get_cache_size(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL) # define SSL_CTX_set_session_cache_mode(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL) # define SSL_CTX_get_session_cache_mode(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL) # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx) # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m) # define SSL_CTX_get_read_ahead(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL) # define SSL_CTX_set_read_ahead(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL) # define SSL_CTX_get_max_cert_list(ctx) \ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL) # define SSL_CTX_set_max_cert_list(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL) # define SSL_get_max_cert_list(ssl) \ SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL) # define SSL_set_max_cert_list(ssl,m) \ SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL) # define SSL_CTX_set_max_send_fragment(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL) # define SSL_set_max_send_fragment(ssl,m) \ SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL) # define SSL_CTX_set_split_send_fragment(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL) # define SSL_set_split_send_fragment(ssl,m) \ SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL) # define SSL_CTX_set_max_pipelines(ctx,m) \ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL) # define SSL_set_max_pipelines(ssl,m) \ SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL) void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len); void SSL_set_default_read_buffer_len(SSL *s, size_t len); # ifndef OPENSSL_NO_DH /* NB: the |keylength| is only applicable when is_export is true */ void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, DH *(*dh) (SSL *ssl, int is_export, int keylength)); void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export, int keylength)); # endif __owur const COMP_METHOD *SSL_get_current_compression(const SSL *s); __owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s); __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp); __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp); __owur int SSL_COMP_get_id(const SSL_COMP *comp); STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void); __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) *meths); # if OPENSSL_API_COMPAT < 0x10100000L # define SSL_COMP_free_compression_methods() while(0) continue # endif __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm); const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr); int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c); int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c); int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len, int isv2format, STACK_OF(SSL_CIPHER) **sk, STACK_OF(SSL_CIPHER) **scsvs); /* TLS extensions functions */ __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len); __owur int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb, void *arg); /* Pre-shared secret session resumption functions */ __owur int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn session_secret_cb, void *arg); void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, int (*cb) (SSL *ssl, int is_forward_secure)); void SSL_set_not_resumable_session_callback(SSL *ssl, int (*cb) (SSL *ssl, int is_forward_secure)); void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx, size_t (*cb) (SSL *ssl, int type, size_t len, void *arg)); void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg); void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx); int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size); 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); # if OPENSSL_API_COMPAT < 0x10100000L # define SSL_cache_hit(s) SSL_session_reused(s) # endif __owur int SSL_session_reused(const SSL *s); __owur int SSL_is_server(const SSL *s); __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void); int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx); void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx); unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags); __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags); __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre); void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl); void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx); __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value); __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv); __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd); void SSL_add_ssl_module(void); int SSL_config(SSL *s, const char *name); int SSL_CTX_config(SSL_CTX *ctx, const char *name); # ifndef OPENSSL_NO_SSL_TRACE void SSL_trace(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg); # endif # ifndef OPENSSL_NO_SOCK int DTLSv1_listen(SSL *s, BIO_ADDR *client); # endif # ifndef OPENSSL_NO_CT /* * A callback for verifying that the received SCTs are sufficient. * Expected to return 1 if they are sufficient, otherwise 0. * May return a negative integer if an error occurs. * A connection should be aborted if the SCTs are deemed insufficient. */ typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx, const STACK_OF(SCT) *scts, void *arg); /* * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate * the received SCTs. * If the callback returns a non-positive result, the connection is terminated. * Call this function before beginning a handshake. * If a NULL |callback| is provided, SCT validation is disabled. * |arg| is arbitrary userdata that will be passed to the callback whenever it * is invoked. Ownership of |arg| remains with the caller. * * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response * will be requested. */ int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback, void *arg); int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx, ssl_ct_validation_cb callback, void *arg); #define SSL_disable_ct(s) \ ((void) SSL_set_validation_callback((s), NULL, NULL)) #define SSL_CTX_disable_ct(ctx) \ ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL)) /* * The validation type enumerates the available behaviours of the built-in SSL * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct(). * The underlying callback is a static function in libssl. */ enum { SSL_CT_VALIDATION_PERMISSIVE = 0, SSL_CT_VALIDATION_STRICT }; /* * Enable CT by setting up a callback that implements one of the built-in * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always * continues the handshake, the application can make appropriate decisions at * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at * least one valid SCT, or else handshake termination will be requested. The * handshake may continue anyway if SSL_VERIFY_NONE is in effect. */ int SSL_enable_ct(SSL *s, int validation_mode); int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode); /* * Report whether a non-NULL callback is enabled. */ int SSL_ct_is_enabled(const SSL *s); int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx); /* Gets the SCTs received from a connection */ const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s); /* * Loads the CT log list from the default location. * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store, * the log information loaded from this file will be appended to the * CTLOG_STORE. * Returns 1 on success, 0 otherwise. */ int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx); /* * Loads the CT log list from the specified file path. * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store, * the log information loaded from this file will be appended to the * CTLOG_STORE. * Returns 1 on success, 0 otherwise. */ int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path); /* * Sets the CT log list used by all SSL connections created from this SSL_CTX. * Ownership of the CTLOG_STORE is transferred to the SSL_CTX. */ void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs); /* * Gets the CT log list used by all SSL connections created from this SSL_CTX. * This will be NULL unless one of the following functions has been called: * - SSL_CTX_set_default_ctlog_list_file * - SSL_CTX_set_ctlog_list_file * - SSL_CTX_set_ctlog_store */ const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx); # endif /* OPENSSL_NO_CT */ /* What the "other" parameter contains in security callback */ /* Mask for type */ # define SSL_SECOP_OTHER_TYPE 0xffff0000 # define SSL_SECOP_OTHER_NONE 0 # define SSL_SECOP_OTHER_CIPHER (1 << 16) # define SSL_SECOP_OTHER_CURVE (2 << 16) # define SSL_SECOP_OTHER_DH (3 << 16) # define SSL_SECOP_OTHER_PKEY (4 << 16) # define SSL_SECOP_OTHER_SIGALG (5 << 16) # define SSL_SECOP_OTHER_CERT (6 << 16) /* Indicated operation refers to peer key or certificate */ # define SSL_SECOP_PEER 0x1000 /* Values for "op" parameter in security callback */ /* Called to filter ciphers */ /* Ciphers client supports */ # define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER) /* Cipher shared by client/server */ # define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER) /* Sanity check of cipher server selects */ # define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER) /* Curves supported by client */ # define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE) /* Curves shared by client/server */ # define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE) /* Sanity check of curve server selects */ # define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE) /* Temporary DH key */ # define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY) /* SSL/TLS version */ # define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE) /* Session tickets */ # define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE) /* Supported signature algorithms sent to peer */ # define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG) /* Shared signature algorithm */ # define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG) /* Sanity check signature algorithm allowed */ # define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG) /* Used to get mask of supported public key signature algorithms */ # define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG) /* Use to see if compression is allowed */ # define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE) /* EE key in certificate */ # define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT) /* CA key in certificate */ # define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT) /* CA digest algorithm in certificate */ # define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT) /* Peer EE key in certificate */ # define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER) /* Peer CA key in certificate */ # define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER) /* Peer CA digest algorithm in certificate */ # define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER) void SSL_set_security_level(SSL *s, int level); __owur int SSL_get_security_level(const SSL *s); void SSL_set_security_callback(SSL *s, int (*cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex)); int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex); void SSL_set0_security_ex_data(SSL *s, void *ex); __owur void *SSL_get0_security_ex_data(const SSL *s); void SSL_CTX_set_security_level(SSL_CTX *ctx, int level); __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx); void SSL_CTX_set_security_callback(SSL_CTX *ctx, int (*cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex)); int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex); void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex); __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx); /* OPENSSL_INIT flag 0x010000 reserved for internal use */ # define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L # define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L # define OPENSSL_INIT_SSL_DEFAULT \ (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS) int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings); # ifndef OPENSSL_NO_UNIT_TEST __owur const struct openssl_ssl_test_functions *SSL_test_functions(void); # endif __owur int SSL_free_buffers(SSL *ssl); __owur int SSL_alloc_buffers(SSL *ssl); /* Status codes passed to the decrypt session ticket callback. Some of these * are for internal use only and are never passed to the callback. */ typedef int SSL_TICKET_STATUS; /* Support for ticket appdata */ /* fatal error, malloc failure */ # define SSL_TICKET_FATAL_ERR_MALLOC 0 /* fatal error, either from parsing or decrypting the ticket */ # define SSL_TICKET_FATAL_ERR_OTHER 1 /* No ticket present */ # define SSL_TICKET_NONE 2 /* Empty ticket present */ # define SSL_TICKET_EMPTY 3 /* the ticket couldn't be decrypted */ # define SSL_TICKET_NO_DECRYPT 4 /* a ticket was successfully decrypted */ # define SSL_TICKET_SUCCESS 5 /* same as above but the ticket needs to be renewed */ # define SSL_TICKET_SUCCESS_RENEW 6 /* Return codes for the decrypt session ticket callback */ typedef int SSL_TICKET_RETURN; /* An error occurred */ #define SSL_TICKET_RETURN_ABORT 0 /* Do not use the ticket, do not send a renewed ticket to the client */ #define SSL_TICKET_RETURN_IGNORE 1 /* Do not use the ticket, send a renewed ticket to the client */ #define SSL_TICKET_RETURN_IGNORE_RENEW 2 /* Use the ticket, do not send a renewed ticket to the client */ #define SSL_TICKET_RETURN_USE 3 /* Use the ticket, send a renewed ticket to the client */ #define SSL_TICKET_RETURN_USE_RENEW 4 typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg); typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss, const unsigned char *keyname, size_t keyname_length, SSL_TICKET_STATUS status, void *arg); int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx, SSL_CTX_generate_session_ticket_fn gen_cb, SSL_CTX_decrypt_session_ticket_fn dec_cb, void *arg); int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len); int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len); extern const char SSL_version_str[]; typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us); void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb); typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg); void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx, SSL_allow_early_data_cb_fn cb, void *arg); void SSL_set_allow_early_data_cb(SSL *s, SSL_allow_early_data_cb_fn cb, void *arg); # ifdef __cplusplus } # endif #endif diff --git a/crypto/openssl/ssl/ktls.c b/crypto/openssl/ssl/ktls.c index f82946b260ab..47328a7c7c73 100644 --- a/crypto/openssl/ssl/ktls.c +++ b/crypto/openssl/ssl/ktls.c @@ -1,240 +1,241 @@ /* * Copyright 2018-2020 The OpenSSL Project Authors. 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 */ #include "ssl_local.h" #include "internal/ktls.h" #if defined(__FreeBSD__) # include /*- * Check if a given cipher is supported by the KTLS interface. * The kernel might still fail the setsockopt() if no suitable * provider is found, but this checks if the socket option * supports the cipher suite used at all. */ int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, const EVP_CIPHER_CTX *dd) { switch (s->version) { case TLS1_VERSION: case TLS1_1_VERSION: case TLS1_2_VERSION: case TLS1_3_VERSION: break; default: return 0; } switch (s->s3->tmp.new_cipher->algorithm_enc) { case SSL_AES128GCM: case SSL_AES256GCM: return 1; case SSL_AES128: case SSL_AES256: if (s->ext.use_etm) return 0; switch (s->s3->tmp.new_cipher->algorithm_mac) { case SSL_SHA1: case SSL_SHA256: case SSL_SHA384: return 1; default: return 0; } default: return 0; } } /* Function to configure kernel TLS structure */ int ktls_configure_crypto(const SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, void *rl_sequence, ktls_crypto_info_t *crypto_info, unsigned char **rec_seq, unsigned char *iv, unsigned char *key, unsigned char *mac_key, size_t mac_secret_size) { memset(crypto_info, 0, sizeof(*crypto_info)); switch (s->s3->tmp.new_cipher->algorithm_enc) { case SSL_AES128GCM: case SSL_AES256GCM: crypto_info->cipher_algorithm = CRYPTO_AES_NIST_GCM_16; if (s->version == TLS1_3_VERSION) crypto_info->iv_len = EVP_CIPHER_CTX_iv_length(dd); else crypto_info->iv_len = EVP_GCM_TLS_FIXED_IV_LEN; break; case SSL_AES128: case SSL_AES256: switch (s->s3->tmp.new_cipher->algorithm_mac) { case SSL_SHA1: crypto_info->auth_algorithm = CRYPTO_SHA1_HMAC; break; case SSL_SHA256: crypto_info->auth_algorithm = CRYPTO_SHA2_256_HMAC; break; case SSL_SHA384: crypto_info->auth_algorithm = CRYPTO_SHA2_384_HMAC; break; default: return 0; } crypto_info->cipher_algorithm = CRYPTO_AES_CBC; crypto_info->iv_len = EVP_CIPHER_iv_length(c); crypto_info->auth_key = mac_key; crypto_info->auth_key_len = mac_secret_size; break; default: return 0; } crypto_info->cipher_key = key; crypto_info->cipher_key_len = EVP_CIPHER_key_length(c); crypto_info->iv = iv; crypto_info->tls_vmajor = (s->version >> 8) & 0x000000ff; crypto_info->tls_vminor = (s->version & 0x000000ff); # ifdef TCP_RXTLS_ENABLE memcpy(crypto_info->rec_seq, rl_sequence, sizeof(crypto_info->rec_seq)); if (rec_seq != NULL) *rec_seq = crypto_info->rec_seq; # else if (rec_seq != NULL) *rec_seq = NULL; # endif return 1; }; #endif /* __FreeBSD__ */ #if defined(OPENSSL_SYS_LINUX) /* Function to check supported ciphers in Linux */ int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, const EVP_CIPHER_CTX *dd) { switch (s->version) { case TLS1_2_VERSION: case TLS1_3_VERSION: break; default: return 0; } /* check that cipher is AES_GCM_128, AES_GCM_256, AES_CCM_128 * or Chacha20-Poly1305 */ switch (EVP_CIPHER_nid(c)) { # ifdef OPENSSL_KTLS_AES_CCM_128 case NID_aes_128_ccm: if (EVP_CIPHER_CTX_tag_length(dd) != EVP_CCM_TLS_TAG_LEN) return 0; # endif # ifdef OPENSSL_KTLS_AES_GCM_128 + /* Fall through */ case NID_aes_128_gcm: # endif # ifdef OPENSSL_KTLS_AES_GCM_256 case NID_aes_256_gcm: # endif # ifdef OPENSSL_KTLS_CHACHA20_POLY1305 case NID_chacha20_poly1305: # endif return 1; default: return 0; } } /* Function to configure kernel TLS structure */ int ktls_configure_crypto(const SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, void *rl_sequence, ktls_crypto_info_t *crypto_info, unsigned char **rec_seq, unsigned char *iv, unsigned char *key, unsigned char *mac_key, size_t mac_secret_size) { unsigned char geniv[12]; unsigned char *iiv = iv; if (s->version == TLS1_2_VERSION && EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) { EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GET_IV, EVP_GCM_TLS_FIXED_IV_LEN + EVP_GCM_TLS_EXPLICIT_IV_LEN, geniv); iiv = geniv; } memset(crypto_info, 0, sizeof(*crypto_info)); switch (EVP_CIPHER_nid(c)) { # ifdef OPENSSL_KTLS_AES_GCM_128 case NID_aes_128_gcm: crypto_info->gcm128.info.cipher_type = TLS_CIPHER_AES_GCM_128; crypto_info->gcm128.info.version = s->version; crypto_info->tls_crypto_info_len = sizeof(crypto_info->gcm128); memcpy(crypto_info->gcm128.iv, iiv + EVP_GCM_TLS_FIXED_IV_LEN, TLS_CIPHER_AES_GCM_128_IV_SIZE); memcpy(crypto_info->gcm128.salt, iiv, TLS_CIPHER_AES_GCM_128_SALT_SIZE); memcpy(crypto_info->gcm128.key, key, EVP_CIPHER_key_length(c)); memcpy(crypto_info->gcm128.rec_seq, rl_sequence, TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE); if (rec_seq != NULL) *rec_seq = crypto_info->gcm128.rec_seq; return 1; # endif # ifdef OPENSSL_KTLS_AES_GCM_256 case NID_aes_256_gcm: crypto_info->gcm256.info.cipher_type = TLS_CIPHER_AES_GCM_256; crypto_info->gcm256.info.version = s->version; crypto_info->tls_crypto_info_len = sizeof(crypto_info->gcm256); memcpy(crypto_info->gcm256.iv, iiv + EVP_GCM_TLS_FIXED_IV_LEN, TLS_CIPHER_AES_GCM_256_IV_SIZE); memcpy(crypto_info->gcm256.salt, iiv, TLS_CIPHER_AES_GCM_256_SALT_SIZE); memcpy(crypto_info->gcm256.key, key, EVP_CIPHER_key_length(c)); memcpy(crypto_info->gcm256.rec_seq, rl_sequence, TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE); if (rec_seq != NULL) *rec_seq = crypto_info->gcm256.rec_seq; return 1; # endif # ifdef OPENSSL_KTLS_AES_CCM_128 case NID_aes_128_ccm: crypto_info->ccm128.info.cipher_type = TLS_CIPHER_AES_CCM_128; crypto_info->ccm128.info.version = s->version; crypto_info->tls_crypto_info_len = sizeof(crypto_info->ccm128); memcpy(crypto_info->ccm128.iv, iiv + EVP_CCM_TLS_FIXED_IV_LEN, TLS_CIPHER_AES_CCM_128_IV_SIZE); memcpy(crypto_info->ccm128.salt, iiv, TLS_CIPHER_AES_CCM_128_SALT_SIZE); memcpy(crypto_info->ccm128.key, key, EVP_CIPHER_key_length(c)); memcpy(crypto_info->ccm128.rec_seq, rl_sequence, TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE); if (rec_seq != NULL) *rec_seq = crypto_info->ccm128.rec_seq; return 1; # endif # ifdef OPENSSL_KTLS_CHACHA20_POLY1305 case NID_chacha20_poly1305: crypto_info->chacha20poly1305.info.cipher_type = TLS_CIPHER_CHACHA20_POLY1305; crypto_info->chacha20poly1305.info.version = s->version; crypto_info->tls_crypto_info_len = sizeof(crypto_info->chacha20poly1305); memcpy(crypto_info->chacha20poly1305.iv, iiv, TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE); memcpy(crypto_info->chacha20poly1305.key, key, EVP_CIPHER_key_length(c)); memcpy(crypto_info->chacha20poly1305.rec_seq, rl_sequence, TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE); if (rec_seq != NULL) *rec_seq = crypto_info->chacha20poly1305.rec_seq; return 1; # endif default: return 0; } } #endif /* OPENSSL_SYS_LINUX */ diff --git a/crypto/openssl/ssl/ssl_conf.c b/crypto/openssl/ssl/ssl_conf.c index 0a3fef7c8c14..8013c62f0770 100644 --- a/crypto/openssl/ssl/ssl_conf.c +++ b/crypto/openssl/ssl/ssl_conf.c @@ -1,1000 +1,1001 @@ /* * Copyright 2012-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include "ssl_local.h" #include #include #include #include "internal/nelem.h" /* * structure holding name tables. This is used for permitted elements in lists * such as TLSv1. */ typedef struct { const char *name; int namelen; unsigned int name_flags; unsigned long option_value; } ssl_flag_tbl; /* Switch table: use for single command line switches like no_tls2 */ typedef struct { unsigned long option_value; unsigned int name_flags; } ssl_switch_tbl; /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */ #define SSL_TFLAG_INV 0x1 /* Mask for type of flag referred to */ #define SSL_TFLAG_TYPE_MASK 0xf00 /* Flag is for options */ #define SSL_TFLAG_OPTION 0x000 /* Flag is for cert_flags */ #define SSL_TFLAG_CERT 0x100 /* Flag is for verify mode */ #define SSL_TFLAG_VFY 0x200 /* Option can only be used for clients */ #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT /* Option can only be used for servers */ #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER) #define SSL_FLAG_TBL(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag} #define SSL_FLAG_TBL_SRV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag} #define SSL_FLAG_TBL_CLI(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag} #define SSL_FLAG_TBL_INV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag} #define SSL_FLAG_TBL_SRV_INV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag} #define SSL_FLAG_TBL_CERT(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag} #define SSL_FLAG_VFY_CLI(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag} #define SSL_FLAG_VFY_SRV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag} /* * Opaque structure containing SSL configuration context. */ struct ssl_conf_ctx_st { /* * Various flags indicating (among other things) which options we will * recognise. */ unsigned int flags; /* Prefix and length of commands */ char *prefix; size_t prefixlen; /* SSL_CTX or SSL structure to perform operations on */ SSL_CTX *ctx; SSL *ssl; /* Pointer to SSL or SSL_CTX options field or NULL if none */ uint32_t *poptions; /* Certificate filenames for each type */ char *cert_filename[SSL_PKEY_NUM]; /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */ uint32_t *pcert_flags; /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */ uint32_t *pvfy_flags; /* Pointer to SSL or SSL_CTX min_version field or NULL if none */ int *min_version; /* Pointer to SSL or SSL_CTX max_version field or NULL if none */ int *max_version; /* Current flag table being worked on */ const ssl_flag_tbl *tbl; /* Size of table */ size_t ntbl; /* Client CA names */ STACK_OF(X509_NAME) *canames; }; static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags, unsigned long option_value, int onoff) { uint32_t *pflags; if (cctx->poptions == NULL) return; if (name_flags & SSL_TFLAG_INV) onoff ^= 1; switch (name_flags & SSL_TFLAG_TYPE_MASK) { case SSL_TFLAG_CERT: pflags = cctx->pcert_flags; break; case SSL_TFLAG_VFY: pflags = cctx->pvfy_flags; break; case SSL_TFLAG_OPTION: pflags = cctx->poptions; break; default: return; } if (onoff) *pflags |= option_value; else *pflags &= ~option_value; } static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl, const char *name, int namelen, int onoff) { /* If name not relevant for context skip */ if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH)) return 0; if (namelen == -1) { if (strcmp(tbl->name, name)) return 0; } else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen)) return 0; ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff); return 1; } static int ssl_set_option_list(const char *elem, int len, void *usr) { SSL_CONF_CTX *cctx = usr; size_t i; const ssl_flag_tbl *tbl; int onoff = 1; /* * len == -1 indicates not being called in list context, just for single * command line switches, so don't allow +, -. */ if (elem == NULL) return 0; if (len != -1) { if (*elem == '+') { elem++; len--; onoff = 1; } else if (*elem == '-') { elem++; len--; onoff = 0; } } for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) { if (ssl_match_option(cctx, tbl, elem, len, onoff)) return 1; } return 0; } /* Set supported signature algorithms */ static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_sigalgs_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value); return rv > 0; } /* Set supported client signature algorithms */ static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_client_sigalgs_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value); return rv > 0; } static int cmd_Groups(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_groups_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_groups_list(cctx->ctx, value); return rv > 0; } /* This is the old name for cmd_Groups - retained for backwards compatibility */ static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value) { return cmd_Groups(cctx, value); } #ifndef OPENSSL_NO_EC /* ECDH temporary parameters */ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; EC_KEY *ecdh; int nid; /* Ignore values supported by 1.0.2 for the automatic selection */ if ((cctx->flags & SSL_CONF_FLAG_FILE) && (strcasecmp(value, "+automatic") == 0 || strcasecmp(value, "automatic") == 0)) return 1; if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) && strcmp(value, "auto") == 0) return 1; nid = EC_curve_nist2nid(value); if (nid == NID_undef) nid = OBJ_sn2nid(value); if (nid == 0) return 0; ecdh = EC_KEY_new_by_curve_name(nid); if (!ecdh) return 0; if (cctx->ctx) rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh); else if (cctx->ssl) rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh); EC_KEY_free(ecdh); return rv > 0; } #endif static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (cctx->ctx) rv = SSL_CTX_set_cipher_list(cctx->ctx, value); if (cctx->ssl) rv = SSL_set_cipher_list(cctx->ssl, value); return rv > 0; } static int cmd_Ciphersuites(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (cctx->ctx) rv = SSL_CTX_set_ciphersuites(cctx->ctx, value); if (cctx->ssl) rv = SSL_set_ciphersuites(cctx->ssl, value); return rv > 0; } static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value) { static const ssl_flag_tbl ssl_protocol_list[] = { SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK), SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2), SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3), SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1), SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1), SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2), SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3), SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1), SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2) }; cctx->tbl = ssl_protocol_list; cctx->ntbl = OSSL_NELEM(ssl_protocol_list); return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); } /* * protocol_from_string - converts a protocol version string to a number * * Returns -1 on failure or the version on success */ static int protocol_from_string(const char *value) { struct protocol_versions { const char *name; int version; }; /* * Note: To avoid breaking previously valid configurations, we must retain * legacy entries in this table even if the underlying protocol is no * longer supported. This also means that the constants SSL3_VERSION, ... * need to be retained indefinitely. This table can only grow, never * shrink. */ static const struct protocol_versions versions[] = { {"None", 0}, {"SSLv3", SSL3_VERSION}, {"TLSv1", TLS1_VERSION}, {"TLSv1.1", TLS1_1_VERSION}, {"TLSv1.2", TLS1_2_VERSION}, {"TLSv1.3", TLS1_3_VERSION}, {"DTLSv1", DTLS1_VERSION}, {"DTLSv1.2", DTLS1_2_VERSION} }; size_t i; size_t n = OSSL_NELEM(versions); for (i = 0; i < n; i++) if (strcmp(versions[i].name, value) == 0) return versions[i].version; return -1; } static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound) { int method_version; int new_version; if (cctx->ctx != NULL) method_version = cctx->ctx->method->version; else if (cctx->ssl != NULL) method_version = cctx->ssl->ctx->method->version; else return 0; if ((new_version = protocol_from_string(value)) < 0) return 0; return ssl_set_version_bound(method_version, new_version, bound); } /* * cmd_MinProtocol - Set min protocol version * @cctx: config structure to save settings in * @value: The min protocol version in string form * * Returns 1 on success and 0 on failure. */ static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value) { return min_max_proto(cctx, value, cctx->min_version); } /* * cmd_MaxProtocol - Set max protocol version * @cctx: config structure to save settings in * @value: The max protocol version in string form * * Returns 1 on success and 0 on failure. */ static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value) { return min_max_proto(cctx, value, cctx->max_version); } static int cmd_Options(SSL_CONF_CTX *cctx, const char *value) { static const ssl_flag_tbl ssl_option_list[] = { SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET), SSL_FLAG_TBL_INV("EmptyFragments", SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS), SSL_FLAG_TBL("Bugs", SSL_OP_ALL), SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION), SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE), SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation", SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION), SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE), SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE), SSL_FLAG_TBL("UnsafeLegacyRenegotiation", SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION), SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC), SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION), SSL_FLAG_TBL("AllowNoDHEKEX", SSL_OP_ALLOW_NO_DHE_KEX), SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA), SSL_FLAG_TBL("MiddleboxCompat", SSL_OP_ENABLE_MIDDLEBOX_COMPAT), - SSL_FLAG_TBL_INV("AntiReplay", SSL_OP_NO_ANTI_REPLAY) + SSL_FLAG_TBL_INV("AntiReplay", SSL_OP_NO_ANTI_REPLAY), + SSL_FLAG_TBL("KTLS", SSL_OP_ENABLE_KTLS) }; if (value == NULL) return -3; cctx->tbl = ssl_option_list; cctx->ntbl = OSSL_NELEM(ssl_option_list); return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); } static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value) { static const ssl_flag_tbl ssl_vfy_list[] = { SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER), SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER), SSL_FLAG_VFY_SRV("Require", SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT), SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE), SSL_FLAG_VFY_SRV("RequestPostHandshake", SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE), SSL_FLAG_VFY_SRV("RequirePostHandshake", SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE | SSL_VERIFY_FAIL_IF_NO_PEER_CERT), }; if (value == NULL) return -3; cctx->tbl = ssl_vfy_list; cctx->ntbl = OSSL_NELEM(ssl_vfy_list); return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); } static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; CERT *c = NULL; if (cctx->ctx) { rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value); c = cctx->ctx->cert; } if (cctx->ssl) { rv = SSL_use_certificate_chain_file(cctx->ssl, value); c = cctx->ssl->cert; } if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { char **pfilename = &cctx->cert_filename[c->key - c->pkeys]; OPENSSL_free(*pfilename); *pfilename = OPENSSL_strdup(value); if (!*pfilename) rv = 0; } return rv > 0; } static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) return -2; if (cctx->ctx) rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM); if (cctx->ssl) rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM); return rv > 0; } static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (cctx->ctx) rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value); return rv > 0; } static int do_store(SSL_CONF_CTX *cctx, const char *CAfile, const char *CApath, int verify_store) { CERT *cert; X509_STORE **st; if (cctx->ctx) cert = cctx->ctx->cert; else if (cctx->ssl) cert = cctx->ssl->cert; else return 1; st = verify_store ? &cert->verify_store : &cert->chain_store; if (*st == NULL) { *st = X509_STORE_new(); if (*st == NULL) return 0; } return X509_STORE_load_locations(*st, CAfile, CApath) > 0; } static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value) { return do_store(cctx, NULL, value, 0); } static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value) { return do_store(cctx, value, NULL, 0); } static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value) { return do_store(cctx, NULL, value, 1); } static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value) { return do_store(cctx, value, NULL, 1); } static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value) { if (cctx->canames == NULL) cctx->canames = sk_X509_NAME_new_null(); if (cctx->canames == NULL) return 0; return SSL_add_file_cert_subjects_to_stack(cctx->canames, value); } static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value) { return cmd_RequestCAFile(cctx, value); } static int cmd_RequestCAPath(SSL_CONF_CTX *cctx, const char *value) { if (cctx->canames == NULL) cctx->canames = sk_X509_NAME_new_null(); if (cctx->canames == NULL) return 0; return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value); } static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value) { return cmd_RequestCAPath(cctx, value); } #ifndef OPENSSL_NO_DH static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value) { int rv = 0; DH *dh = NULL; BIO *in = NULL; if (cctx->ctx || cctx->ssl) { in = BIO_new(BIO_s_file()); if (in == NULL) goto end; if (BIO_read_filename(in, value) <= 0) goto end; dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (dh == NULL) goto end; } else return 1; if (cctx->ctx) rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh); if (cctx->ssl) rv = SSL_set_tmp_dh(cctx->ssl, dh); end: DH_free(dh); BIO_free(in); return rv > 0; } #endif static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value) { int rv = 0; int block_size = atoi(value); /* * All we care about is a non-negative value, * the setters check the range */ if (block_size >= 0) { if (cctx->ctx) rv = SSL_CTX_set_block_padding(cctx->ctx, block_size); if (cctx->ssl) rv = SSL_set_block_padding(cctx->ssl, block_size); } return rv; } static int cmd_NumTickets(SSL_CONF_CTX *cctx, const char *value) { int rv = 0; int num_tickets = atoi(value); if (num_tickets >= 0) { if (cctx->ctx) rv = SSL_CTX_set_num_tickets(cctx->ctx, num_tickets); if (cctx->ssl) rv = SSL_set_num_tickets(cctx->ssl, num_tickets); } return rv; } typedef struct { int (*cmd) (SSL_CONF_CTX *cctx, const char *value); const char *str_file; const char *str_cmdline; unsigned short flags; unsigned short value_type; } ssl_conf_cmd_tbl; /* Table of supported parameters */ #define SSL_CONF_CMD(name, cmdopt, flags, type) \ {cmd_##name, #name, cmdopt, flags, type} #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \ SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING) #define SSL_CONF_CMD_SWITCH(name, flags) \ {0, NULL, name, flags, SSL_CONF_TYPE_NONE} /* See apps/apps.h if you change this table. */ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = { SSL_CONF_CMD_SWITCH("no_ssl3", 0), SSL_CONF_CMD_SWITCH("no_tls1", 0), SSL_CONF_CMD_SWITCH("no_tls1_1", 0), SSL_CONF_CMD_SWITCH("no_tls1_2", 0), SSL_CONF_CMD_SWITCH("no_tls1_3", 0), SSL_CONF_CMD_SWITCH("bugs", 0), SSL_CONF_CMD_SWITCH("no_comp", 0), SSL_CONF_CMD_SWITCH("comp", 0), SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("no_ticket", 0), SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0), SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("no_renegotiation", 0), SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("allow_no_dhe_kex", 0), SSL_CONF_CMD_SWITCH("prioritize_chacha", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("strict", 0), SSL_CONF_CMD_SWITCH("no_middlebox", 0), SSL_CONF_CMD_SWITCH("anti_replay", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_SWITCH("no_anti_replay", SSL_CONF_FLAG_SERVER), SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0), SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0), SSL_CONF_CMD_STRING(Curves, "curves", 0), SSL_CONF_CMD_STRING(Groups, "groups", 0), #ifndef OPENSSL_NO_EC SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER), #endif SSL_CONF_CMD_STRING(CipherString, "cipher", 0), SSL_CONF_CMD_STRING(Ciphersuites, "ciphersuites", 0), SSL_CONF_CMD_STRING(Protocol, NULL, 0), SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0), SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0), SSL_CONF_CMD_STRING(Options, NULL, 0), SSL_CONF_CMD_STRING(VerifyMode, NULL, 0), SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(ServerInfoFile, NULL, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_DIR), SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_DIR), SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(RequestCAFile, "requestCAFile", SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(ClientCAFile, NULL, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), SSL_CONF_CMD(RequestCAPath, NULL, SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_DIR), SSL_CONF_CMD(ClientCAPath, NULL, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_DIR), #ifndef OPENSSL_NO_DH SSL_CONF_CMD(DHParameters, "dhparam", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, SSL_CONF_TYPE_FILE), #endif SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0), SSL_CONF_CMD_STRING(NumTickets, "num_tickets", SSL_CONF_FLAG_SERVER), }; /* Supported switches: must match order of switches in ssl_conf_cmds */ static const ssl_switch_tbl ssl_cmd_switches[] = { {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */ {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */ {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */ {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */ {SSL_OP_NO_TLSv1_3, 0}, /* no_tls1_3 */ {SSL_OP_ALL, 0}, /* bugs */ {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */ {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */ {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */ {SSL_OP_NO_TICKET, 0}, /* no_ticket */ {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */ /* legacy_renegotiation */ {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0}, /* legacy_server_connect */ {SSL_OP_LEGACY_SERVER_CONNECT, 0}, /* no_renegotiation */ {SSL_OP_NO_RENEGOTIATION, 0}, /* no_resumption_on_reneg */ {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0}, /* no_legacy_server_connect */ {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV}, /* allow_no_dhe_kex */ {SSL_OP_ALLOW_NO_DHE_KEX, 0}, /* chacha reprioritization */ {SSL_OP_PRIORITIZE_CHACHA, 0}, {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */ /* no_middlebox */ {SSL_OP_ENABLE_MIDDLEBOX_COMPAT, SSL_TFLAG_INV}, /* anti_replay */ {SSL_OP_NO_ANTI_REPLAY, SSL_TFLAG_INV}, /* no_anti_replay */ {SSL_OP_NO_ANTI_REPLAY, 0}, }; static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd) { if (!pcmd || !*pcmd) return 0; /* If a prefix is set, check and skip */ if (cctx->prefix) { if (strlen(*pcmd) <= cctx->prefixlen) return 0; if (cctx->flags & SSL_CONF_FLAG_CMDLINE && strncmp(*pcmd, cctx->prefix, cctx->prefixlen)) return 0; if (cctx->flags & SSL_CONF_FLAG_FILE && strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen)) return 0; *pcmd += cctx->prefixlen; } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (**pcmd != '-' || !(*pcmd)[1]) return 0; *pcmd += 1; } return 1; } /* Determine if a command is allowed according to cctx flags */ static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t) { unsigned int tfl = t->flags; unsigned int cfl = cctx->flags; if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER)) return 0; if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT)) return 0; if ((tfl & SSL_CONF_FLAG_CERTIFICATE) && !(cfl & SSL_CONF_FLAG_CERTIFICATE)) return 0; return 1; } static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, const char *cmd) { const ssl_conf_cmd_tbl *t; size_t i; if (cmd == NULL) return NULL; /* Look for matching parameter name in table */ for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) { if (ssl_conf_cmd_allowed(cctx, t)) { if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0) return t; } if (cctx->flags & SSL_CONF_FLAG_FILE) { if (t->str_file && strcasecmp(t->str_file, cmd) == 0) return t; } } } return NULL; } static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd) { /* Find index of command in table */ size_t idx = cmd - ssl_conf_cmds; const ssl_switch_tbl *scmd; /* Sanity check index */ if (idx >= OSSL_NELEM(ssl_cmd_switches)) return 0; /* Obtain switches entry with same index */ scmd = ssl_cmd_switches + idx; ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1); return 1; } int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value) { const ssl_conf_cmd_tbl *runcmd; if (cmd == NULL) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME); return 0; } if (!ssl_conf_cmd_skip_prefix(cctx, &cmd)) return -2; runcmd = ssl_conf_cmd_lookup(cctx, cmd); if (runcmd) { int rv; if (runcmd->value_type == SSL_CONF_TYPE_NONE) { return ctrl_switch_option(cctx, runcmd); } if (value == NULL) return -3; rv = runcmd->cmd(cctx, value); if (rv > 0) return 2; if (rv == -2) return -2; if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE); ERR_add_error_data(4, "cmd=", cmd, ", value=", value); } return 0; } if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME); ERR_add_error_data(2, "cmd=", cmd); } return -2; } int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv) { int rv; const char *arg = NULL, *argn; if (pargc && *pargc == 0) return 0; if (!pargc || *pargc > 0) arg = **pargv; if (arg == NULL) return 0; if (!pargc || *pargc > 1) argn = (*pargv)[1]; else argn = NULL; cctx->flags &= ~SSL_CONF_FLAG_FILE; cctx->flags |= SSL_CONF_FLAG_CMDLINE; rv = SSL_CONF_cmd(cctx, arg, argn); if (rv > 0) { /* Success: update pargc, pargv */ (*pargv) += rv; if (pargc) (*pargc) -= rv; return rv; } /* Unknown switch: indicate no arguments processed */ if (rv == -2) return 0; /* Some error occurred processing command, return fatal error */ if (rv == 0) return -1; return rv; } int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd) { if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) { const ssl_conf_cmd_tbl *runcmd; runcmd = ssl_conf_cmd_lookup(cctx, cmd); if (runcmd) return runcmd->value_type; } return SSL_CONF_TYPE_UNKNOWN; } SSL_CONF_CTX *SSL_CONF_CTX_new(void) { SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret)); return ret; } int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx) { /* See if any certificates are missing private keys */ size_t i; CERT *c = NULL; if (cctx->ctx) c = cctx->ctx->cert; else if (cctx->ssl) c = cctx->ssl->cert; if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { for (i = 0; i < SSL_PKEY_NUM; i++) { const char *p = cctx->cert_filename[i]; /* * If missing private key try to load one from certificate file */ if (p && !c->pkeys[i].privatekey) { if (!cmd_PrivateKey(cctx, p)) return 0; } } } if (cctx->canames) { if (cctx->ssl) SSL_set0_CA_list(cctx->ssl, cctx->canames); else if (cctx->ctx) SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames); else sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); cctx->canames = NULL; } return 1; } void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx) { if (cctx) { size_t i; for (i = 0; i < SSL_PKEY_NUM; i++) OPENSSL_free(cctx->cert_filename[i]); OPENSSL_free(cctx->prefix); sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); OPENSSL_free(cctx); } } unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags) { cctx->flags |= flags; return cctx->flags; } unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags) { cctx->flags &= ~flags; return cctx->flags; } int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre) { char *tmp = NULL; if (pre) { tmp = OPENSSL_strdup(pre); if (tmp == NULL) return 0; } OPENSSL_free(cctx->prefix); cctx->prefix = tmp; if (tmp) cctx->prefixlen = strlen(tmp); else cctx->prefixlen = 0; return 1; } void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl) { cctx->ssl = ssl; cctx->ctx = NULL; if (ssl) { cctx->poptions = &ssl->options; cctx->min_version = &ssl->min_proto_version; cctx->max_version = &ssl->max_proto_version; cctx->pcert_flags = &ssl->cert->cert_flags; cctx->pvfy_flags = &ssl->verify_mode; } else { cctx->poptions = NULL; cctx->min_version = NULL; cctx->max_version = NULL; cctx->pcert_flags = NULL; cctx->pvfy_flags = NULL; } } void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx) { cctx->ctx = ctx; cctx->ssl = NULL; if (ctx) { cctx->poptions = &ctx->options; cctx->min_version = &ctx->min_proto_version; cctx->max_version = &ctx->max_proto_version; cctx->pcert_flags = &ctx->cert->cert_flags; cctx->pvfy_flags = &ctx->verify_mode; } else { cctx->poptions = NULL; cctx->min_version = NULL; cctx->max_version = NULL; cctx->pcert_flags = NULL; cctx->pvfy_flags = NULL; } } diff --git a/crypto/openssl/ssl/t1_enc.c b/crypto/openssl/ssl/t1_enc.c index d4614210685a..7d2eb381af1a 100644 --- a/crypto/openssl/ssl/t1_enc.c +++ b/crypto/openssl/ssl/t1_enc.c @@ -1,806 +1,802 @@ /* * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. * Copyright 2005 Nokia. All rights reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include "ssl_local.h" #include "record/record_local.h" #include "internal/ktls.h" #include "internal/cryptlib.h" #include #include #include #include #include /* seed1 through seed5 are concatenated */ static int tls1_PRF(SSL *s, const void *seed1, size_t seed1_len, const void *seed2, size_t seed2_len, const void *seed3, size_t seed3_len, const void *seed4, size_t seed4_len, const void *seed5, size_t seed5_len, const unsigned char *sec, size_t slen, unsigned char *out, size_t olen, int fatal) { const EVP_MD *md = ssl_prf_md(s); EVP_PKEY_CTX *pctx = NULL; int ret = 0; if (md == NULL) { /* Should never happen */ if (fatal) SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR); else SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR); return 0; } pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL); if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0 || EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0 || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, (int)slen) <= 0 || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, (int)seed1_len) <= 0 || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, (int)seed2_len) <= 0 || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, (int)seed3_len) <= 0 || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, (int)seed4_len) <= 0 || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, (int)seed5_len) <= 0 || EVP_PKEY_derive(pctx, out, &olen) <= 0) { if (fatal) SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR); else SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR); goto err; } ret = 1; err: EVP_PKEY_CTX_free(pctx); return ret; } static int tls1_generate_key_block(SSL *s, unsigned char *km, size_t num) { int ret; /* Calls SSLfatal() as required */ ret = tls1_PRF(s, TLS_MD_KEY_EXPANSION_CONST, TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random, SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE, NULL, 0, NULL, 0, s->session->master_key, s->session->master_key_length, km, num, 1); return ret; } #ifndef OPENSSL_NO_KTLS /* * Count the number of records that were not processed yet from record boundary. * * This function assumes that there are only fully formed records read in the * record layer. If read_ahead is enabled, then this might be false and this * function will fail. */ # ifndef OPENSSL_NO_KTLS_RX static int count_unprocessed_records(SSL *s) { SSL3_BUFFER *rbuf = RECORD_LAYER_get_rbuf(&s->rlayer); PACKET pkt, subpkt; int count = 0; if (!PACKET_buf_init(&pkt, rbuf->buf + rbuf->offset, rbuf->left)) return -1; while (PACKET_remaining(&pkt) > 0) { /* Skip record type and version */ if (!PACKET_forward(&pkt, 3)) return -1; /* Read until next record */ if (PACKET_get_length_prefixed_2(&pkt, &subpkt)) return -1; count += 1; } return count; } # endif #endif int tls1_change_cipher_state(SSL *s, int which) { unsigned char *p, *mac_secret; unsigned char *ms, *key, *iv; EVP_CIPHER_CTX *dd; const EVP_CIPHER *c; #ifndef OPENSSL_NO_COMP const SSL_COMP *comp; #endif const EVP_MD *m; int mac_type; size_t *mac_secret_size; EVP_MD_CTX *mac_ctx; EVP_PKEY *mac_key; size_t n, i, j, k, cl; int reuse_dd = 0; #ifndef OPENSSL_NO_KTLS ktls_crypto_info_t crypto_info; unsigned char *rec_seq; void *rl_sequence; # ifndef OPENSSL_NO_KTLS_RX int count_unprocessed; int bit; # endif BIO *bio; #endif c = s->s3->tmp.new_sym_enc; m = s->s3->tmp.new_hash; mac_type = s->s3->tmp.new_mac_pkey_type; #ifndef OPENSSL_NO_COMP comp = s->s3->tmp.new_compression; #endif if (which & SSL3_CC_READ) { if (s->ext.use_etm) s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ; else s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ; if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM; else s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM; if (s->enc_read_ctx != NULL) { reuse_dd = 1; } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } else { /* * make sure it's initialised in case we exit later with an error */ EVP_CIPHER_CTX_reset(s->enc_read_ctx); } dd = s->enc_read_ctx; mac_ctx = ssl_replace_hash(&s->read_hash, NULL); if (mac_ctx == NULL) goto err; #ifndef OPENSSL_NO_COMP COMP_CTX_free(s->expand); s->expand = NULL; if (comp != NULL) { s->expand = COMP_CTX_new(comp->method); if (s->expand == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, SSL_R_COMPRESSION_LIBRARY_ERROR); goto err; } } #endif /* * this is done by dtls1_reset_seq_numbers for DTLS */ if (!SSL_IS_DTLS(s)) RECORD_LAYER_reset_read_sequence(&s->rlayer); mac_secret = &(s->s3->read_mac_secret[0]); mac_secret_size = &(s->s3->read_mac_secret_size); } else { s->statem.enc_write_state = ENC_WRITE_STATE_INVALID; if (s->ext.use_etm) s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE; else s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE; if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM; else s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM; if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) { reuse_dd = 1; } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } dd = s->enc_write_ctx; if (SSL_IS_DTLS(s)) { mac_ctx = EVP_MD_CTX_new(); if (mac_ctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } s->write_hash = mac_ctx; } else { mac_ctx = ssl_replace_hash(&s->write_hash, NULL); if (mac_ctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } } #ifndef OPENSSL_NO_COMP COMP_CTX_free(s->compress); s->compress = NULL; if (comp != NULL) { s->compress = COMP_CTX_new(comp->method); if (s->compress == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, SSL_R_COMPRESSION_LIBRARY_ERROR); goto err; } } #endif /* * this is done by dtls1_reset_seq_numbers for DTLS */ if (!SSL_IS_DTLS(s)) RECORD_LAYER_reset_write_sequence(&s->rlayer); mac_secret = &(s->s3->write_mac_secret[0]); mac_secret_size = &(s->s3->write_mac_secret_size); } if (reuse_dd) EVP_CIPHER_CTX_reset(dd); p = s->s3->tmp.key_block; i = *mac_secret_size = s->s3->tmp.new_mac_secret_size; /* TODO(size_t): convert me */ cl = EVP_CIPHER_key_length(c); j = cl; /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */ /* If GCM/CCM mode only part of IV comes from PRF */ if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) k = EVP_GCM_TLS_FIXED_IV_LEN; else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) k = EVP_CCM_TLS_FIXED_IV_LEN; else k = EVP_CIPHER_iv_length(c); if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || (which == SSL3_CHANGE_CIPHER_SERVER_READ)) { ms = &(p[0]); n = i + i; key = &(p[n]); n += j + j; iv = &(p[n]); n += k + k; } else { n = i; ms = &(p[n]); n += i + j; key = &(p[n]); n += j + k; iv = &(p[n]); n += k; } if (n > s->s3->tmp.key_block_length) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } memcpy(mac_secret, ms, i); if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) { /* TODO(size_t): Convert this function */ mac_key = EVP_PKEY_new_mac_key(mac_type, NULL, mac_secret, (int)*mac_secret_size); if (mac_key == NULL || EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) { EVP_PKEY_free(mac_key); SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } EVP_PKEY_free(mac_key); } #ifdef SSL_DEBUG printf("which = %04X\nmac key=", which); { size_t z; for (z = 0; z < i; z++) printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n'); } #endif if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) { if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE)) || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, (int)k, iv)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } } else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) { int taglen; if (s->s3->tmp. new_cipher->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8)) taglen = EVP_CCM8_TLS_TAG_LEN; else taglen = EVP_CCM_TLS_TAG_LEN; if (!EVP_CipherInit_ex(dd, c, NULL, NULL, NULL, (which & SSL3_CC_WRITE)) || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_IVLEN, 12, NULL) || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_TAG, taglen, NULL) || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, (int)k, iv) || !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } } else { if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } } /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */ if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size && !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY, (int)*mac_secret_size, mac_secret)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } #ifndef OPENSSL_NO_KTLS - if (s->compress) - goto skip_ktls; - - if (((which & SSL3_CC_READ) && (s->mode & SSL_MODE_NO_KTLS_RX)) - || ((which & SSL3_CC_WRITE) && (s->mode & SSL_MODE_NO_KTLS_TX))) + if (s->compress || (s->options & SSL_OP_ENABLE_KTLS) == 0) goto skip_ktls; /* ktls supports only the maximum fragment size */ if (ssl_get_max_send_fragment(s) != SSL3_RT_MAX_PLAIN_LENGTH) goto skip_ktls; /* check that cipher is supported */ if (!ktls_check_supported_cipher(s, c, dd)) goto skip_ktls; if (which & SSL3_CC_WRITE) bio = s->wbio; else bio = s->rbio; if (!ossl_assert(bio != NULL)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } /* All future data will get encrypted by ktls. Flush the BIO or skip ktls */ if (which & SSL3_CC_WRITE) { if (BIO_flush(bio) <= 0) goto skip_ktls; } /* ktls doesn't support renegotiation */ if ((BIO_get_ktls_send(s->wbio) && (which & SSL3_CC_WRITE)) || (BIO_get_ktls_recv(s->rbio) && (which & SSL3_CC_READ))) { SSLfatal(s, SSL_AD_NO_RENEGOTIATION, SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } if (which & SSL3_CC_WRITE) rl_sequence = RECORD_LAYER_get_write_sequence(&s->rlayer); else rl_sequence = RECORD_LAYER_get_read_sequence(&s->rlayer); if (!ktls_configure_crypto(s, c, dd, rl_sequence, &crypto_info, &rec_seq, iv, key, ms, *mac_secret_size)) goto skip_ktls; if (which & SSL3_CC_READ) { # ifndef OPENSSL_NO_KTLS_RX count_unprocessed = count_unprocessed_records(s); if (count_unprocessed < 0) goto skip_ktls; /* increment the crypto_info record sequence */ while (count_unprocessed) { for (bit = 7; bit >= 0; bit--) { /* increment */ ++rec_seq[bit]; if (rec_seq[bit] != 0) break; } count_unprocessed--; } # else goto skip_ktls; # endif } /* ktls works with user provided buffers directly */ if (BIO_set_ktls(bio, &crypto_info, which & SSL3_CC_WRITE)) { if (which & SSL3_CC_WRITE) ssl3_release_write_buffer(s); SSL_set_options(s, SSL_OP_NO_RENEGOTIATION); } skip_ktls: #endif /* OPENSSL_NO_KTLS */ s->statem.enc_write_state = ENC_WRITE_STATE_VALID; #ifdef SSL_DEBUG printf("which = %04X\nkey=", which); { int z; for (z = 0; z < EVP_CIPHER_key_length(c); z++) printf("%02X%c", key[z], ((z + 1) % 16) ? ' ' : '\n'); } printf("\niv="); { size_t z; for (z = 0; z < k; z++) printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n'); } printf("\n"); #endif return 1; err: return 0; } int tls1_setup_key_block(SSL *s) { unsigned char *p; const EVP_CIPHER *c; const EVP_MD *hash; SSL_COMP *comp; int mac_type = NID_undef; size_t num, mac_secret_size = 0; int ret = 0; if (s->s3->tmp.key_block_length != 0) return 1; if (!ssl_cipher_get_evp(s->session, &c, &hash, &mac_type, &mac_secret_size, &comp, s->ext.use_etm)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); return 0; } s->s3->tmp.new_sym_enc = c; s->s3->tmp.new_hash = hash; s->s3->tmp.new_mac_pkey_type = mac_type; s->s3->tmp.new_mac_secret_size = mac_secret_size; num = EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c); num *= 2; ssl3_cleanup_key_block(s); if ((p = OPENSSL_malloc(num)) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE); goto err; } s->s3->tmp.key_block_length = num; s->s3->tmp.key_block = p; #ifdef SSL_DEBUG printf("client random\n"); { int z; for (z = 0; z < SSL3_RANDOM_SIZE; z++) printf("%02X%c", s->s3->client_random[z], ((z + 1) % 16) ? ' ' : '\n'); } printf("server random\n"); { int z; for (z = 0; z < SSL3_RANDOM_SIZE; z++) printf("%02X%c", s->s3->server_random[z], ((z + 1) % 16) ? ' ' : '\n'); } printf("master key\n"); { size_t z; for (z = 0; z < s->session->master_key_length; z++) printf("%02X%c", s->session->master_key[z], ((z + 1) % 16) ? ' ' : '\n'); } #endif if (!tls1_generate_key_block(s, p, num)) { /* SSLfatal() already called */ goto err; } #ifdef SSL_DEBUG printf("\nkey block\n"); { size_t z; for (z = 0; z < num; z++) printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n'); } #endif if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) && s->method->version <= TLS1_VERSION) { /* * enable vulnerability countermeasure for CBC ciphers with known-IV * problem (http://www.openssl.org/~bodo/tls-cbc.txt) */ s->s3->need_empty_fragments = 1; if (s->session->cipher != NULL) { if (s->session->cipher->algorithm_enc == SSL_eNULL) s->s3->need_empty_fragments = 0; #ifndef OPENSSL_NO_RC4 if (s->session->cipher->algorithm_enc == SSL_RC4) s->s3->need_empty_fragments = 0; #endif } } ret = 1; err: return ret; } size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, unsigned char *out) { size_t hashlen; unsigned char hash[EVP_MAX_MD_SIZE]; if (!ssl3_digest_cached_records(s, 0)) { /* SSLfatal() already called */ return 0; } if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) { /* SSLfatal() already called */ return 0; } if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0, s->session->master_key, s->session->master_key_length, out, TLS1_FINISH_MAC_LENGTH, 1)) { /* SSLfatal() already called */ return 0; } OPENSSL_cleanse(hash, hashlen); return TLS1_FINISH_MAC_LENGTH; } int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, size_t len, size_t *secret_size) { if (s->session->flags & SSL_SESS_FLAG_EXTMS) { unsigned char hash[EVP_MAX_MD_SIZE * 2]; size_t hashlen; /* * Digest cached records keeping record buffer (if present): this won't * affect client auth because we're freezing the buffer at the same * point (after client key exchange and before certificate verify) */ if (!ssl3_digest_cached_records(s, 1) || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) { /* SSLfatal() already called */ return 0; } #ifdef SSL_DEBUG fprintf(stderr, "Handshake hashes:\n"); BIO_dump_fp(stderr, (char *)hash, hashlen); #endif if (!tls1_PRF(s, TLS_MD_EXTENDED_MASTER_SECRET_CONST, TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE, hash, hashlen, NULL, 0, NULL, 0, NULL, 0, p, len, out, SSL3_MASTER_SECRET_SIZE, 1)) { /* SSLfatal() already called */ return 0; } OPENSSL_cleanse(hash, hashlen); } else { if (!tls1_PRF(s, TLS_MD_MASTER_SECRET_CONST, TLS_MD_MASTER_SECRET_CONST_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE, NULL, 0, s->s3->server_random, SSL3_RANDOM_SIZE, NULL, 0, p, len, out, SSL3_MASTER_SECRET_SIZE, 1)) { /* SSLfatal() already called */ return 0; } } #ifdef SSL_DEBUG fprintf(stderr, "Premaster Secret:\n"); BIO_dump_fp(stderr, (char *)p, len); fprintf(stderr, "Client Random:\n"); BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE); fprintf(stderr, "Server Random:\n"); BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE); fprintf(stderr, "Master Secret:\n"); BIO_dump_fp(stderr, (char *)s->session->master_key, SSL3_MASTER_SECRET_SIZE); #endif *secret_size = SSL3_MASTER_SECRET_SIZE; return 1; } int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *context, size_t contextlen, int use_context) { unsigned char *val = NULL; size_t vallen = 0, currentvalpos; int rv; /* * construct PRF arguments we construct the PRF argument ourself rather * than passing separate values into the TLS PRF to ensure that the * concatenation of values does not create a prohibited label. */ vallen = llen + SSL3_RANDOM_SIZE * 2; if (use_context) { vallen += 2 + contextlen; } val = OPENSSL_malloc(vallen); if (val == NULL) goto err2; currentvalpos = 0; memcpy(val + currentvalpos, (unsigned char *)label, llen); currentvalpos += llen; memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); currentvalpos += SSL3_RANDOM_SIZE; memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); currentvalpos += SSL3_RANDOM_SIZE; if (use_context) { val[currentvalpos] = (contextlen >> 8) & 0xff; currentvalpos++; val[currentvalpos] = contextlen & 0xff; currentvalpos++; if ((contextlen > 0) || (context != NULL)) { memcpy(val + currentvalpos, context, contextlen); } } /* * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited * label len) = 15, so size of val > max(prohibited label len) = 15 and * the comparisons won't have buffer overflow */ if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) goto err1; if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) goto err1; if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) goto err1; if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST, TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0) goto err1; if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) goto err1; rv = tls1_PRF(s, val, vallen, NULL, 0, NULL, 0, NULL, 0, NULL, 0, s->session->master_key, s->session->master_key_length, out, olen, 0); goto ret; err1: SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); rv = 0; goto ret; err2: SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE); rv = 0; ret: OPENSSL_clear_free(val, vallen); return rv; } int tls1_alert_code(int code) { switch (code) { case SSL_AD_CLOSE_NOTIFY: return SSL3_AD_CLOSE_NOTIFY; case SSL_AD_UNEXPECTED_MESSAGE: return SSL3_AD_UNEXPECTED_MESSAGE; case SSL_AD_BAD_RECORD_MAC: return SSL3_AD_BAD_RECORD_MAC; case SSL_AD_DECRYPTION_FAILED: return TLS1_AD_DECRYPTION_FAILED; case SSL_AD_RECORD_OVERFLOW: return TLS1_AD_RECORD_OVERFLOW; case SSL_AD_DECOMPRESSION_FAILURE: return SSL3_AD_DECOMPRESSION_FAILURE; case SSL_AD_HANDSHAKE_FAILURE: return SSL3_AD_HANDSHAKE_FAILURE; case SSL_AD_NO_CERTIFICATE: return -1; case SSL_AD_BAD_CERTIFICATE: return SSL3_AD_BAD_CERTIFICATE; case SSL_AD_UNSUPPORTED_CERTIFICATE: return SSL3_AD_UNSUPPORTED_CERTIFICATE; case SSL_AD_CERTIFICATE_REVOKED: return SSL3_AD_CERTIFICATE_REVOKED; case SSL_AD_CERTIFICATE_EXPIRED: return SSL3_AD_CERTIFICATE_EXPIRED; case SSL_AD_CERTIFICATE_UNKNOWN: return SSL3_AD_CERTIFICATE_UNKNOWN; case SSL_AD_ILLEGAL_PARAMETER: return SSL3_AD_ILLEGAL_PARAMETER; case SSL_AD_UNKNOWN_CA: return TLS1_AD_UNKNOWN_CA; case SSL_AD_ACCESS_DENIED: return TLS1_AD_ACCESS_DENIED; case SSL_AD_DECODE_ERROR: return TLS1_AD_DECODE_ERROR; case SSL_AD_DECRYPT_ERROR: return TLS1_AD_DECRYPT_ERROR; case SSL_AD_EXPORT_RESTRICTION: return TLS1_AD_EXPORT_RESTRICTION; case SSL_AD_PROTOCOL_VERSION: return TLS1_AD_PROTOCOL_VERSION; case SSL_AD_INSUFFICIENT_SECURITY: return TLS1_AD_INSUFFICIENT_SECURITY; case SSL_AD_INTERNAL_ERROR: return TLS1_AD_INTERNAL_ERROR; case SSL_AD_USER_CANCELLED: return TLS1_AD_USER_CANCELLED; case SSL_AD_NO_RENEGOTIATION: return TLS1_AD_NO_RENEGOTIATION; case SSL_AD_UNSUPPORTED_EXTENSION: return TLS1_AD_UNSUPPORTED_EXTENSION; case SSL_AD_CERTIFICATE_UNOBTAINABLE: return TLS1_AD_CERTIFICATE_UNOBTAINABLE; case SSL_AD_UNRECOGNIZED_NAME: return TLS1_AD_UNRECOGNIZED_NAME; case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE; case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE; case SSL_AD_UNKNOWN_PSK_IDENTITY: return TLS1_AD_UNKNOWN_PSK_IDENTITY; case SSL_AD_INAPPROPRIATE_FALLBACK: return TLS1_AD_INAPPROPRIATE_FALLBACK; case SSL_AD_NO_APPLICATION_PROTOCOL: return TLS1_AD_NO_APPLICATION_PROTOCOL; case SSL_AD_CERTIFICATE_REQUIRED: return SSL_AD_HANDSHAKE_FAILURE; default: return -1; } } diff --git a/crypto/openssl/ssl/tls13_enc.c b/crypto/openssl/ssl/tls13_enc.c index d9f050ee346d..39530237d897 100644 --- a/crypto/openssl/ssl/tls13_enc.c +++ b/crypto/openssl/ssl/tls13_enc.c @@ -1,936 +1,937 @@ /* * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include "ssl_local.h" #include "internal/ktls.h" #include "record/record_local.h" #include "internal/cryptlib.h" #include #include #define TLS13_MAX_LABEL_LEN 249 /* Always filled with zeros */ static const unsigned char default_zeros[EVP_MAX_MD_SIZE]; /* * Given a |secret|; a |label| of length |labellen|; and |data| of length * |datalen| (e.g. typically a hash of the handshake messages), derive a new * secret |outlen| bytes long and store it in the location pointed to be |out|. * The |data| value may be zero length. Any errors will be treated as fatal if * |fatal| is set. Returns 1 on success 0 on failure. */ int tls13_hkdf_expand(SSL *s, const EVP_MD *md, const unsigned char *secret, const unsigned char *label, size_t labellen, const unsigned char *data, size_t datalen, unsigned char *out, size_t outlen, int fatal) { #ifdef CHARSET_EBCDIC static const unsigned char label_prefix[] = { 0x74, 0x6C, 0x73, 0x31, 0x33, 0x20, 0x00 }; #else static const unsigned char label_prefix[] = "tls13 "; #endif EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); int ret; size_t hkdflabellen; size_t hashlen; /* * 2 bytes for length of derived secret + 1 byte for length of combined * prefix and label + bytes for the label itself + 1 byte length of hash * + bytes for the hash itself */ unsigned char hkdflabel[sizeof(uint16_t) + sizeof(uint8_t) + (sizeof(label_prefix) - 1) + TLS13_MAX_LABEL_LEN + 1 + EVP_MAX_MD_SIZE]; WPACKET pkt; if (pctx == NULL) return 0; if (labellen > TLS13_MAX_LABEL_LEN) { if (fatal) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_HKDF_EXPAND, ERR_R_INTERNAL_ERROR); } else { /* * Probably we have been called from SSL_export_keying_material(), * or SSL_export_keying_material_early(). */ SSLerr(SSL_F_TLS13_HKDF_EXPAND, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); } EVP_PKEY_CTX_free(pctx); return 0; } hashlen = EVP_MD_size(md); if (!WPACKET_init_static_len(&pkt, hkdflabel, sizeof(hkdflabel), 0) || !WPACKET_put_bytes_u16(&pkt, outlen) || !WPACKET_start_sub_packet_u8(&pkt) || !WPACKET_memcpy(&pkt, label_prefix, sizeof(label_prefix) - 1) || !WPACKET_memcpy(&pkt, label, labellen) || !WPACKET_close(&pkt) || !WPACKET_sub_memcpy_u8(&pkt, data, (data == NULL) ? 0 : datalen) || !WPACKET_get_total_written(&pkt, &hkdflabellen) || !WPACKET_finish(&pkt)) { EVP_PKEY_CTX_free(pctx); WPACKET_cleanup(&pkt); if (fatal) SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_HKDF_EXPAND, ERR_R_INTERNAL_ERROR); else SSLerr(SSL_F_TLS13_HKDF_EXPAND, ERR_R_INTERNAL_ERROR); return 0; } ret = EVP_PKEY_derive_init(pctx) <= 0 || EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0 || EVP_PKEY_CTX_set_hkdf_md(pctx, md) <= 0 || EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, hashlen) <= 0 || EVP_PKEY_CTX_add1_hkdf_info(pctx, hkdflabel, hkdflabellen) <= 0 || EVP_PKEY_derive(pctx, out, &outlen) <= 0; EVP_PKEY_CTX_free(pctx); if (ret != 0) { if (fatal) SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_HKDF_EXPAND, ERR_R_INTERNAL_ERROR); else SSLerr(SSL_F_TLS13_HKDF_EXPAND, ERR_R_INTERNAL_ERROR); } return ret == 0; } /* * Given a |secret| generate a |key| of length |keylen| bytes. Returns 1 on * success 0 on failure. */ int tls13_derive_key(SSL *s, const EVP_MD *md, const unsigned char *secret, unsigned char *key, size_t keylen) { #ifdef CHARSET_EBCDIC static const unsigned char keylabel[] ={ 0x6B, 0x65, 0x79, 0x00 }; #else static const unsigned char keylabel[] = "key"; #endif return tls13_hkdf_expand(s, md, secret, keylabel, sizeof(keylabel) - 1, NULL, 0, key, keylen, 1); } /* * Given a |secret| generate an |iv| of length |ivlen| bytes. Returns 1 on * success 0 on failure. */ int tls13_derive_iv(SSL *s, const EVP_MD *md, const unsigned char *secret, unsigned char *iv, size_t ivlen) { #ifdef CHARSET_EBCDIC static const unsigned char ivlabel[] = { 0x69, 0x76, 0x00 }; #else static const unsigned char ivlabel[] = "iv"; #endif return tls13_hkdf_expand(s, md, secret, ivlabel, sizeof(ivlabel) - 1, NULL, 0, iv, ivlen, 1); } int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, const unsigned char *secret, unsigned char *fin, size_t finlen) { #ifdef CHARSET_EBCDIC static const unsigned char finishedlabel[] = { 0x66, 0x69, 0x6E, 0x69, 0x73, 0x68, 0x65, 0x64, 0x00 }; #else static const unsigned char finishedlabel[] = "finished"; #endif return tls13_hkdf_expand(s, md, secret, finishedlabel, sizeof(finishedlabel) - 1, NULL, 0, fin, finlen, 1); } /* * Given the previous secret |prevsecret| and a new input secret |insecret| of * length |insecretlen|, generate a new secret and store it in the location * pointed to by |outsecret|. Returns 1 on success 0 on failure. */ int tls13_generate_secret(SSL *s, const EVP_MD *md, const unsigned char *prevsecret, const unsigned char *insecret, size_t insecretlen, unsigned char *outsecret) { size_t mdlen, prevsecretlen; int mdleni; int ret; EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); #ifdef CHARSET_EBCDIC static const char derived_secret_label[] = { 0x64, 0x65, 0x72, 0x69, 0x76, 0x65, 0x64, 0x00 }; #else static const char derived_secret_label[] = "derived"; #endif unsigned char preextractsec[EVP_MAX_MD_SIZE]; if (pctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_GENERATE_SECRET, ERR_R_INTERNAL_ERROR); return 0; } mdleni = EVP_MD_size(md); /* Ensure cast to size_t is safe */ if (!ossl_assert(mdleni >= 0)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_GENERATE_SECRET, ERR_R_INTERNAL_ERROR); return 0; } mdlen = (size_t)mdleni; if (insecret == NULL) { insecret = default_zeros; insecretlen = mdlen; } if (prevsecret == NULL) { prevsecret = default_zeros; prevsecretlen = 0; } else { EVP_MD_CTX *mctx = EVP_MD_CTX_new(); unsigned char hash[EVP_MAX_MD_SIZE]; /* The pre-extract derive step uses a hash of no messages */ if (mctx == NULL || EVP_DigestInit_ex(mctx, md, NULL) <= 0 || EVP_DigestFinal_ex(mctx, hash, NULL) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_GENERATE_SECRET, ERR_R_INTERNAL_ERROR); EVP_MD_CTX_free(mctx); EVP_PKEY_CTX_free(pctx); return 0; } EVP_MD_CTX_free(mctx); /* Generate the pre-extract secret */ if (!tls13_hkdf_expand(s, md, prevsecret, (unsigned char *)derived_secret_label, sizeof(derived_secret_label) - 1, hash, mdlen, preextractsec, mdlen, 1)) { /* SSLfatal() already called */ EVP_PKEY_CTX_free(pctx); return 0; } prevsecret = preextractsec; prevsecretlen = mdlen; } ret = EVP_PKEY_derive_init(pctx) <= 0 || EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0 || EVP_PKEY_CTX_set_hkdf_md(pctx, md) <= 0 || EVP_PKEY_CTX_set1_hkdf_key(pctx, insecret, insecretlen) <= 0 || EVP_PKEY_CTX_set1_hkdf_salt(pctx, prevsecret, prevsecretlen) <= 0 || EVP_PKEY_derive(pctx, outsecret, &mdlen) <= 0; if (ret != 0) SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_GENERATE_SECRET, ERR_R_INTERNAL_ERROR); EVP_PKEY_CTX_free(pctx); if (prevsecret == preextractsec) OPENSSL_cleanse(preextractsec, mdlen); return ret == 0; } /* * Given an input secret |insecret| of length |insecretlen| generate the * handshake secret. This requires the early secret to already have been * generated. Returns 1 on success 0 on failure. */ int tls13_generate_handshake_secret(SSL *s, const unsigned char *insecret, size_t insecretlen) { /* Calls SSLfatal() if required */ return tls13_generate_secret(s, ssl_handshake_md(s), s->early_secret, insecret, insecretlen, (unsigned char *)&s->handshake_secret); } /* * Given the handshake secret |prev| of length |prevlen| generate the master * secret and store its length in |*secret_size|. Returns 1 on success 0 on * failure. */ int tls13_generate_master_secret(SSL *s, unsigned char *out, unsigned char *prev, size_t prevlen, size_t *secret_size) { const EVP_MD *md = ssl_handshake_md(s); *secret_size = EVP_MD_size(md); /* Calls SSLfatal() if required */ return tls13_generate_secret(s, md, prev, NULL, 0, out); } /* * Generates the mac for the Finished message. Returns the length of the MAC or * 0 on error. */ size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, unsigned char *out) { const EVP_MD *md = ssl_handshake_md(s); unsigned char hash[EVP_MAX_MD_SIZE]; size_t hashlen, ret = 0; EVP_PKEY *key = NULL; EVP_MD_CTX *ctx = EVP_MD_CTX_new(); if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) { /* SSLfatal() already called */ goto err; } if (str == s->method->ssl3_enc->server_finished_label) { key = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, NULL, s->server_finished_secret, hashlen); } else if (SSL_IS_FIRST_HANDSHAKE(s)) { key = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, NULL, s->client_finished_secret, hashlen); } else { unsigned char finsecret[EVP_MAX_MD_SIZE]; if (!tls13_derive_finishedkey(s, ssl_handshake_md(s), s->client_app_traffic_secret, finsecret, hashlen)) goto err; key = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, NULL, finsecret, hashlen); OPENSSL_cleanse(finsecret, sizeof(finsecret)); } if (key == NULL || ctx == NULL || EVP_DigestSignInit(ctx, NULL, md, NULL, key) <= 0 || EVP_DigestSignUpdate(ctx, hash, hashlen) <= 0 || EVP_DigestSignFinal(ctx, out, &hashlen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR); goto err; } ret = hashlen; err: EVP_PKEY_free(key); EVP_MD_CTX_free(ctx); return ret; } /* * There isn't really a key block in TLSv1.3, but we still need this function * for initialising the cipher and hash. Returns 1 on success or 0 on failure. */ int tls13_setup_key_block(SSL *s) { const EVP_CIPHER *c; const EVP_MD *hash; s->session->cipher = s->s3->tmp.new_cipher; if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, NULL, 0)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); return 0; } s->s3->tmp.new_sym_enc = c; s->s3->tmp.new_hash = hash; return 1; } static int derive_secret_key_and_iv(SSL *s, int sending, const EVP_MD *md, const EVP_CIPHER *ciph, const unsigned char *insecret, const unsigned char *hash, const unsigned char *label, size_t labellen, unsigned char *secret, unsigned char *key, unsigned char *iv, EVP_CIPHER_CTX *ciph_ctx) { size_t ivlen, keylen, taglen; int hashleni = EVP_MD_size(md); size_t hashlen; /* Ensure cast to size_t is safe */ if (!ossl_assert(hashleni >= 0)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DERIVE_SECRET_KEY_AND_IV, ERR_R_EVP_LIB); return 0; } hashlen = (size_t)hashleni; if (!tls13_hkdf_expand(s, md, insecret, label, labellen, hash, hashlen, secret, hashlen, 1)) { /* SSLfatal() already called */ return 0; } /* TODO(size_t): convert me */ keylen = EVP_CIPHER_key_length(ciph); if (EVP_CIPHER_mode(ciph) == EVP_CIPH_CCM_MODE) { uint32_t algenc; ivlen = EVP_CCM_TLS_IV_LEN; if (s->s3->tmp.new_cipher != NULL) { algenc = s->s3->tmp.new_cipher->algorithm_enc; } else if (s->session->cipher != NULL) { /* We've not selected a cipher yet - we must be doing early data */ algenc = s->session->cipher->algorithm_enc; } else if (s->psksession != NULL && s->psksession->cipher != NULL) { /* We must be doing early data with out-of-band PSK */ algenc = s->psksession->cipher->algorithm_enc; } else { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DERIVE_SECRET_KEY_AND_IV, ERR_R_EVP_LIB); return 0; } if (algenc & (SSL_AES128CCM8 | SSL_AES256CCM8)) taglen = EVP_CCM8_TLS_TAG_LEN; else taglen = EVP_CCM_TLS_TAG_LEN; } else { ivlen = EVP_CIPHER_iv_length(ciph); taglen = 0; } if (!tls13_derive_key(s, md, secret, key, keylen) || !tls13_derive_iv(s, md, secret, iv, ivlen)) { /* SSLfatal() already called */ return 0; } if (EVP_CipherInit_ex(ciph_ctx, ciph, NULL, NULL, NULL, sending) <= 0 || !EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_IVLEN, ivlen, NULL) || (taglen != 0 && !EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_TAG, taglen, NULL)) || EVP_CipherInit_ex(ciph_ctx, NULL, NULL, key, NULL, -1) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DERIVE_SECRET_KEY_AND_IV, ERR_R_EVP_LIB); return 0; } return 1; } int tls13_change_cipher_state(SSL *s, int which) { #ifdef CHARSET_EBCDIC static const unsigned char client_early_traffic[] = {0x63, 0x20, 0x65, 0x20, /*traffic*/0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x00}; static const unsigned char client_handshake_traffic[] = {0x63, 0x20, 0x68, 0x73, 0x20, /*traffic*/0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x00}; static const unsigned char client_application_traffic[] = {0x63, 0x20, 0x61, 0x70, 0x20, /*traffic*/0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x00}; static const unsigned char server_handshake_traffic[] = {0x73, 0x20, 0x68, 0x73, 0x20, /*traffic*/0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x00}; static const unsigned char server_application_traffic[] = {0x73, 0x20, 0x61, 0x70, 0x20, /*traffic*/0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x00}; static const unsigned char exporter_master_secret[] = {0x65, 0x78, 0x70, 0x20, /* master*/ 0x6D, 0x61, 0x73, 0x74, 0x65, 0x72, 0x00}; static const unsigned char resumption_master_secret[] = {0x72, 0x65, 0x73, 0x20, /* master*/ 0x6D, 0x61, 0x73, 0x74, 0x65, 0x72, 0x00}; static const unsigned char early_exporter_master_secret[] = {0x65, 0x20, 0x65, 0x78, 0x70, 0x20, /* master*/ 0x6D, 0x61, 0x73, 0x74, 0x65, 0x72, 0x00}; #else static const unsigned char client_early_traffic[] = "c e traffic"; static const unsigned char client_handshake_traffic[] = "c hs traffic"; static const unsigned char client_application_traffic[] = "c ap traffic"; static const unsigned char server_handshake_traffic[] = "s hs traffic"; static const unsigned char server_application_traffic[] = "s ap traffic"; static const unsigned char exporter_master_secret[] = "exp master"; static const unsigned char resumption_master_secret[] = "res master"; static const unsigned char early_exporter_master_secret[] = "e exp master"; #endif unsigned char *iv; unsigned char key[EVP_MAX_KEY_LENGTH]; unsigned char secret[EVP_MAX_MD_SIZE]; unsigned char hashval[EVP_MAX_MD_SIZE]; unsigned char *hash = hashval; unsigned char *insecret; unsigned char *finsecret = NULL; const char *log_label = NULL; EVP_CIPHER_CTX *ciph_ctx; size_t finsecretlen = 0; const unsigned char *label; size_t labellen, hashlen = 0; int ret = 0; const EVP_MD *md = NULL; const EVP_CIPHER *cipher = NULL; #if !defined(OPENSSL_NO_KTLS) && defined(OPENSSL_KTLS_TLS13) ktls_crypto_info_t crypto_info; BIO *bio; #endif if (which & SSL3_CC_READ) { if (s->enc_read_ctx != NULL) { EVP_CIPHER_CTX_reset(s->enc_read_ctx); } else { s->enc_read_ctx = EVP_CIPHER_CTX_new(); if (s->enc_read_ctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } } ciph_ctx = s->enc_read_ctx; iv = s->read_iv; RECORD_LAYER_reset_read_sequence(&s->rlayer); } else { s->statem.enc_write_state = ENC_WRITE_STATE_INVALID; if (s->enc_write_ctx != NULL) { EVP_CIPHER_CTX_reset(s->enc_write_ctx); } else { s->enc_write_ctx = EVP_CIPHER_CTX_new(); if (s->enc_write_ctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } } ciph_ctx = s->enc_write_ctx; iv = s->write_iv; RECORD_LAYER_reset_write_sequence(&s->rlayer); } if (((which & SSL3_CC_CLIENT) && (which & SSL3_CC_WRITE)) || ((which & SSL3_CC_SERVER) && (which & SSL3_CC_READ))) { if (which & SSL3_CC_EARLY) { EVP_MD_CTX *mdctx = NULL; long handlen; void *hdata; unsigned int hashlenui; const SSL_CIPHER *sslcipher = SSL_SESSION_get0_cipher(s->session); insecret = s->early_secret; label = client_early_traffic; labellen = sizeof(client_early_traffic) - 1; log_label = CLIENT_EARLY_LABEL; handlen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (handlen <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, SSL_R_BAD_HANDSHAKE_LENGTH); goto err; } if (s->early_data_state == SSL_EARLY_DATA_CONNECTING && s->max_early_data > 0 && s->session->ext.max_early_data == 0) { /* * If we are attempting to send early data, and we've decided to * actually do it but max_early_data in s->session is 0 then we * must be using an external PSK. */ if (!ossl_assert(s->psksession != NULL && s->max_early_data == s->psksession->ext.max_early_data)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } sslcipher = SSL_SESSION_get0_cipher(s->psksession); } if (sslcipher == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, SSL_R_BAD_PSK); goto err; } /* * We need to calculate the handshake digest using the digest from * the session. We haven't yet selected our ciphersuite so we can't * use ssl_handshake_md(). */ mdctx = EVP_MD_CTX_new(); if (mdctx == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); goto err; } cipher = EVP_get_cipherbynid(SSL_CIPHER_get_cipher_nid(sslcipher)); md = ssl_md(sslcipher->algorithm2); if (md == NULL || !EVP_DigestInit_ex(mdctx, md, NULL) || !EVP_DigestUpdate(mdctx, hdata, handlen) || !EVP_DigestFinal_ex(mdctx, hashval, &hashlenui)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); EVP_MD_CTX_free(mdctx); goto err; } hashlen = hashlenui; EVP_MD_CTX_free(mdctx); if (!tls13_hkdf_expand(s, md, insecret, early_exporter_master_secret, sizeof(early_exporter_master_secret) - 1, hashval, hashlen, s->early_exporter_master_secret, hashlen, 1)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } if (!ssl_log_secret(s, EARLY_EXPORTER_SECRET_LABEL, s->early_exporter_master_secret, hashlen)) { /* SSLfatal() already called */ goto err; } } else if (which & SSL3_CC_HANDSHAKE) { insecret = s->handshake_secret; finsecret = s->client_finished_secret; finsecretlen = EVP_MD_size(ssl_handshake_md(s)); label = client_handshake_traffic; labellen = sizeof(client_handshake_traffic) - 1; log_label = CLIENT_HANDSHAKE_LABEL; /* * The handshake hash used for the server read/client write handshake * traffic secret is the same as the hash for the server * write/client read handshake traffic secret. However, if we * processed early data then we delay changing the server * read/client write cipher state until later, and the handshake * hashes have moved on. Therefore we use the value saved earlier * when we did the server write/client read change cipher state. */ hash = s->handshake_traffic_hash; } else { insecret = s->master_secret; label = client_application_traffic; labellen = sizeof(client_application_traffic) - 1; log_label = CLIENT_APPLICATION_LABEL; /* * For this we only use the handshake hashes up until the server * Finished hash. We do not include the client's Finished, which is * what ssl_handshake_hash() would give us. Instead we use the * previously saved value. */ hash = s->server_finished_hash; } } else { /* Early data never applies to client-read/server-write */ if (which & SSL3_CC_HANDSHAKE) { insecret = s->handshake_secret; finsecret = s->server_finished_secret; finsecretlen = EVP_MD_size(ssl_handshake_md(s)); label = server_handshake_traffic; labellen = sizeof(server_handshake_traffic) - 1; log_label = SERVER_HANDSHAKE_LABEL; } else { insecret = s->master_secret; label = server_application_traffic; labellen = sizeof(server_application_traffic) - 1; log_label = SERVER_APPLICATION_LABEL; } } if (!(which & SSL3_CC_EARLY)) { md = ssl_handshake_md(s); cipher = s->s3->tmp.new_sym_enc; if (!ssl3_digest_cached_records(s, 1) || !ssl_handshake_hash(s, hashval, sizeof(hashval), &hashlen)) { /* SSLfatal() already called */; goto err; } } /* * Save the hash of handshakes up to now for use when we calculate the * client application traffic secret */ if (label == server_application_traffic) memcpy(s->server_finished_hash, hashval, hashlen); if (label == server_handshake_traffic) memcpy(s->handshake_traffic_hash, hashval, hashlen); if (label == client_application_traffic) { /* * We also create the resumption master secret, but this time use the * hash for the whole handshake including the Client Finished */ if (!tls13_hkdf_expand(s, ssl_handshake_md(s), insecret, resumption_master_secret, sizeof(resumption_master_secret) - 1, hashval, hashlen, s->resumption_master_secret, hashlen, 1)) { /* SSLfatal() already called */ goto err; } } /* check whether cipher is known */ if(!ossl_assert(cipher != NULL)) goto err; if (!derive_secret_key_and_iv(s, which & SSL3_CC_WRITE, md, cipher, insecret, hash, label, labellen, secret, key, iv, ciph_ctx)) { /* SSLfatal() already called */ goto err; } if (label == server_application_traffic) { memcpy(s->server_app_traffic_secret, secret, hashlen); /* Now we create the exporter master secret */ if (!tls13_hkdf_expand(s, ssl_handshake_md(s), insecret, exporter_master_secret, sizeof(exporter_master_secret) - 1, hash, hashlen, s->exporter_master_secret, hashlen, 1)) { /* SSLfatal() already called */ goto err; } if (!ssl_log_secret(s, EXPORTER_SECRET_LABEL, s->exporter_master_secret, hashlen)) { /* SSLfatal() already called */ goto err; } } else if (label == client_application_traffic) memcpy(s->client_app_traffic_secret, secret, hashlen); if (!ssl_log_secret(s, log_label, secret, hashlen)) { /* SSLfatal() already called */ goto err; } if (finsecret != NULL && !tls13_derive_finishedkey(s, ssl_handshake_md(s), secret, finsecret, finsecretlen)) { /* SSLfatal() already called */ goto err; } if (!s->server && label == client_early_traffic) s->statem.enc_write_state = ENC_WRITE_STATE_WRITE_PLAIN_ALERTS; else s->statem.enc_write_state = ENC_WRITE_STATE_VALID; #ifndef OPENSSL_NO_KTLS # if defined(OPENSSL_KTLS_TLS13) - if (!(which & SSL3_CC_WRITE) || !(which & SSL3_CC_APPLICATION) - || ((which & SSL3_CC_WRITE) && (s->mode & SSL_MODE_NO_KTLS_TX))) + if (!(which & SSL3_CC_WRITE) + || !(which & SSL3_CC_APPLICATION) + || (s->options & SSL_OP_ENABLE_KTLS) == 0) goto skip_ktls; /* ktls supports only the maximum fragment size */ if (ssl_get_max_send_fragment(s) != SSL3_RT_MAX_PLAIN_LENGTH) goto skip_ktls; /* ktls does not support record padding */ if (s->record_padding_cb != NULL) goto skip_ktls; /* check that cipher is supported */ if (!ktls_check_supported_cipher(s, cipher, ciph_ctx)) goto skip_ktls; bio = s->wbio; if (!ossl_assert(bio != NULL)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); goto err; } /* All future data will get encrypted by ktls. Flush the BIO or skip ktls */ if (BIO_flush(bio) <= 0) goto skip_ktls; /* configure kernel crypto structure */ if (!ktls_configure_crypto(s, cipher, ciph_ctx, RECORD_LAYER_get_write_sequence(&s->rlayer), &crypto_info, NULL, iv, key, NULL, 0)) goto skip_ktls; /* ktls works with user provided buffers directly */ if (BIO_set_ktls(bio, &crypto_info, which & SSL3_CC_WRITE)) ssl3_release_write_buffer(s); skip_ktls: # endif #endif ret = 1; err: OPENSSL_cleanse(key, sizeof(key)); OPENSSL_cleanse(secret, sizeof(secret)); return ret; } int tls13_update_key(SSL *s, int sending) { #ifdef CHARSET_EBCDIC static const unsigned char application_traffic[] = { 0x74, 0x72 ,0x61 ,0x66 ,0x66 ,0x69 ,0x63 ,0x20 ,0x75 ,0x70 ,0x64, 0x00}; #else static const unsigned char application_traffic[] = "traffic upd"; #endif const EVP_MD *md = ssl_handshake_md(s); size_t hashlen = EVP_MD_size(md); unsigned char key[EVP_MAX_KEY_LENGTH]; unsigned char *insecret, *iv; unsigned char secret[EVP_MAX_MD_SIZE]; EVP_CIPHER_CTX *ciph_ctx; int ret = 0; if (s->server == sending) insecret = s->server_app_traffic_secret; else insecret = s->client_app_traffic_secret; if (sending) { s->statem.enc_write_state = ENC_WRITE_STATE_INVALID; iv = s->write_iv; ciph_ctx = s->enc_write_ctx; RECORD_LAYER_reset_write_sequence(&s->rlayer); } else { iv = s->read_iv; ciph_ctx = s->enc_read_ctx; RECORD_LAYER_reset_read_sequence(&s->rlayer); } if (!derive_secret_key_and_iv(s, sending, ssl_handshake_md(s), s->s3->tmp.new_sym_enc, insecret, NULL, application_traffic, sizeof(application_traffic) - 1, secret, key, iv, ciph_ctx)) { /* SSLfatal() already called */ goto err; } memcpy(insecret, secret, hashlen); s->statem.enc_write_state = ENC_WRITE_STATE_VALID; ret = 1; err: OPENSSL_cleanse(key, sizeof(key)); OPENSSL_cleanse(secret, sizeof(secret)); return ret; } int tls13_alert_code(int code) { /* There are 2 additional alerts in TLSv1.3 compared to TLSv1.2 */ if (code == SSL_AD_MISSING_EXTENSION || code == SSL_AD_CERTIFICATE_REQUIRED) return code; return tls1_alert_code(code); } int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *context, size_t contextlen, int use_context) { unsigned char exportsecret[EVP_MAX_MD_SIZE]; #ifdef CHARSET_EBCDIC static const unsigned char exporterlabel[] = {0x65, 0x78, 0x70, 0x6F, 0x72, 0x74, 0x65, 0x72, 0x00}; #else static const unsigned char exporterlabel[] = "exporter"; #endif unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE]; const EVP_MD *md = ssl_handshake_md(s); EVP_MD_CTX *ctx = EVP_MD_CTX_new(); unsigned int hashsize, datalen; int ret = 0; if (ctx == NULL || !ossl_statem_export_allowed(s)) goto err; if (!use_context) contextlen = 0; if (EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestUpdate(ctx, context, contextlen) <= 0 || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0 || EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0 || !tls13_hkdf_expand(s, md, s->exporter_master_secret, (const unsigned char *)label, llen, data, datalen, exportsecret, hashsize, 0) || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel, sizeof(exporterlabel) - 1, hash, hashsize, out, olen, 0)) goto err; ret = 1; err: EVP_MD_CTX_free(ctx); return ret; } int tls13_export_keying_material_early(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *context, size_t contextlen) { #ifdef CHARSET_EBCDIC static const unsigned char exporterlabel[] = {0x65, 0x78, 0x70, 0x6F, 0x72, 0x74, 0x65, 0x72, 0x00}; #else static const unsigned char exporterlabel[] = "exporter"; #endif unsigned char exportsecret[EVP_MAX_MD_SIZE]; unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE]; const EVP_MD *md; EVP_MD_CTX *ctx = EVP_MD_CTX_new(); unsigned int hashsize, datalen; int ret = 0; const SSL_CIPHER *sslcipher; if (ctx == NULL || !ossl_statem_export_early_allowed(s)) goto err; if (!s->server && s->max_early_data > 0 && s->session->ext.max_early_data == 0) sslcipher = SSL_SESSION_get0_cipher(s->psksession); else sslcipher = SSL_SESSION_get0_cipher(s->session); md = ssl_md(sslcipher->algorithm2); /* * Calculate the hash value and store it in |data|. The reason why * the empty string is used is that the definition of TLS-Exporter * is like so: * * TLS-Exporter(label, context_value, key_length) = * HKDF-Expand-Label(Derive-Secret(Secret, label, ""), * "exporter", Hash(context_value), key_length) * * Derive-Secret(Secret, Label, Messages) = * HKDF-Expand-Label(Secret, Label, * Transcript-Hash(Messages), Hash.length) * * Here Transcript-Hash is the cipher suite hash algorithm. */ if (EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestUpdate(ctx, context, contextlen) <= 0 || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0 || EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0 || !tls13_hkdf_expand(s, md, s->early_exporter_master_secret, (const unsigned char *)label, llen, data, datalen, exportsecret, hashsize, 0) || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel, sizeof(exporterlabel) - 1, hash, hashsize, out, olen, 0)) goto err; ret = 1; err: EVP_MD_CTX_free(ctx); return ret; }