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Add debug helpers to track extensions

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-08-04 16:33:14 +08:00
parent 04e2133f45
commit 471dee5a12
3 changed files with 150 additions and 57 deletions
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60
library/ssl_tls13_server.c
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@ -926,56 +926,6 @@ static int ssl_tls13_parse_key_shares_ext( mbedtls_ssl_context *ssl,
}
#endif /* MBEDTLS_ECDH_C */
#if defined(MBEDTLS_DEBUG_C)
static void ssl_tls13_debug_print_client_hello_exts( mbedtls_ssl_context *ssl )
{
((void) ssl);
MBEDTLS_SSL_DEBUG_MSG( 3, ( "Supported Extensions:" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- KEY_SHARE_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_KEY_SHARE ) > 0 ) ? "TRUE" : "FALSE" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- PSK_KEY_EXCHANGE_MODES_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_PSK_KEY_EXCHANGE_MODES ) > 0 ) ?
"TRUE" : "FALSE" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- PRE_SHARED_KEY_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_PRE_SHARED_KEY ) > 0 ) ? "TRUE" : "FALSE" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- SIGNATURE_ALGORITHM_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_SIG_ALG ) > 0 ) ? "TRUE" : "FALSE" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- SUPPORTED_GROUPS_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_SUPPORTED_GROUPS ) >0 ) ?
"TRUE" : "FALSE" ) );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- SUPPORTED_VERSION_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_SUPPORTED_VERSIONS ) > 0 ) ?
"TRUE" : "FALSE" ) );
#if defined ( MBEDTLS_SSL_SERVER_NAME_INDICATION )
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- SERVERNAME_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_SERVERNAME ) > 0 ) ?
"TRUE" : "FALSE" ) );
#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
#if defined ( MBEDTLS_SSL_ALPN )
MBEDTLS_SSL_DEBUG_MSG( 3,
( "- ALPN_EXTENSION ( %s )",
( ( ssl->handshake->extensions_present
& MBEDTLS_SSL_EXT_ALPN ) > 0 ) ?
"TRUE" : "FALSE" ) );
#endif /* MBEDTLS_SSL_ALPN */
}
#endif /* MBEDTLS_DEBUG_C */
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_tls13_client_hello_has_exts( mbedtls_ssl_context *ssl,
int exts_mask )
@ -1655,18 +1605,14 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
default:
MBEDTLS_SSL_DEBUG_MSG( 3,
( "unknown extension found: %ud ( ignoring )",
extension_type ) );
( "client hello: received %s(%u) extension ( ignored )",
mbedtls_tls13_get_extension_name( extension_type ),
extension_type ) );
}
p += extension_data_len;
}
#if defined(MBEDTLS_DEBUG_C)
/* List all the extensions we have received */
ssl_tls13_debug_print_client_hello_exts( ssl );
#endif /* MBEDTLS_DEBUG_C */
mbedtls_ssl_add_hs_hdr_to_checksum( ssl,
MBEDTLS_SSL_HS_CLIENT_HELLO,
p - buf );