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author | Hanno Becker <hanno.becker@arm.com> | 2019-02-07 12:32:43 +0000 |
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committer | Hanno Becker <hanno.becker@arm.com> | 2019-02-26 14:38:09 +0000 |
commit | 77adddc9e91b0405464724de45dec277515bac81 (patch) | |
tree | 60f972c41dd67fb7a6f513e9f30f5419419a31b3 | |
parent | 28f2fcd08dd1b6172af0b6b6fcc14382e067508a (diff) | |
download | mbedtls-77adddc9e91b0405464724de45dec277515bac81.zip mbedtls-77adddc9e91b0405464724de45dec277515bac81.tar.gz mbedtls-77adddc9e91b0405464724de45dec277515bac81.tar.bz2 |
Make use of macro and helper detecting whether CertRequest allowed
This commit simplifies the client-side code for outgoing CertificateVerify
messages, and server-side code for outgoing CertificateRequest messages and
incoming CertificateVerify messages, through the use of the macro
`MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED`
indicating whether a ciphersuite allowing CertificateRequest messages
is enabled in the configuration, as well as the helper function
`mbedtls_ssl_ciphersuite_cert_req_allowed()`
indicating whether a particular ciphersuite allows CertificateRequest
messages.
These were already used in the client-side code to simplify the
parsing functions for CertificateRequest messages.
-rw-r--r-- | library/ssl_cli.c | 28 | ||||
-rw-r--r-- | library/ssl_srv.c | 56 |
2 files changed, 15 insertions, 69 deletions
diff --git a/library/ssl_cli.c b/library/ssl_cli.c index 87fa1e0..b564bf6 100644 --- a/library/ssl_cli.c +++ b/library/ssl_cli.c @@ -3456,12 +3456,7 @@ ecdh_calc_secret: return( 0 ); } -#if !defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)&& \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) +#if !defined(MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED) static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info = @@ -3476,11 +3471,7 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) return( ret ); } - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ) + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) ); ssl->state++; @@ -3490,7 +3481,7 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); } -#else +#else /* !MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) { int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE; @@ -3519,11 +3510,7 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) return( ret ); } - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ) + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) ); ssl->state++; @@ -3666,12 +3653,7 @@ sign: return( ret ); } -#endif /* !MBEDTLS_KEY_EXCHANGE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */ +#endif /* MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ #if defined(MBEDTLS_SSL_SESSION_TICKETS) static int ssl_parse_new_session_ticket( mbedtls_ssl_context *ssl ) diff --git a/library/ssl_srv.c b/library/ssl_srv.c index 46e24e4..5313b11 100644 --- a/library/ssl_srv.c +++ b/library/ssl_srv.c @@ -2680,12 +2680,7 @@ static int ssl_write_server_hello( mbedtls_ssl_context *ssl ) return( ret ); } -#if !defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)&& \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) +#if !defined(MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED) static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info = @@ -2693,11 +2688,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate request" ) ); - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ) + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate request" ) ); ssl->state++; @@ -2707,7 +2698,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); } -#else +#else /* !MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) { int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE; @@ -2731,11 +2722,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) #endif authmode = ssl->conf->authmode; - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE || + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) || authmode == MBEDTLS_SSL_VERIFY_NONE ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate request" ) ); @@ -2874,12 +2861,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) return( ret ); } -#endif /* !MBEDTLS_KEY_EXCHANGE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */ +#endif /* MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \ defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) @@ -4048,12 +4030,7 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl ) return( 0 ); } -#if !defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)&& \ - !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) +#if !defined(MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED) static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info = @@ -4061,11 +4038,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate verify" ) ); - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ) + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate verify" ) ); ssl->state++; @@ -4075,7 +4048,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); } -#else +#else /* !MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) { int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE; @@ -4092,11 +4065,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate verify" ) ); - if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK || - ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE || + if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) || ssl->session_negotiate->peer_cert == NULL ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate verify" ) ); @@ -4241,12 +4210,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl ) return( ret ); } -#endif /* !MBEDTLS_KEY_EXCHANGE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED && - !MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */ +#endif /* MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED */ #if defined(MBEDTLS_SSL_SESSION_TICKETS) static int ssl_write_new_session_ticket( mbedtls_ssl_context *ssl ) |