Add parsing for Record Size Limit extension in TLS 1.3

Fixes #7007

Signed-off-by: Jan Bruckner <jan@janbruckner.de>
This commit is contained in:
Jan Bruckner 2023-02-10 12:45:19 +01:00
parent 5a3629b613
commit 151f64283f
11 changed files with 158 additions and 25 deletions

View file

@ -1020,6 +1020,10 @@
#error "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT) && ( !defined(MBEDTLS_SSL_PROTO_TLS1_3) )
#error "MBEDTLS_SSL_RECORD_SIZE_LIMIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) && !( defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C) || defined(MBEDTLS_CHACHAPOLY_C) )
#error "MBEDTLS_SSL_CONTEXT_SERIALIZATION defined, but not all prerequisites"
#endif

View file

@ -1547,6 +1547,20 @@
*/
#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
/**
* \def MBEDTLS_SSL_RECORD_SIZE_LIMIT
*
* Enable support for RFC 8449 record_size_limit extension in SSL.
*
* \warning This extension is currently in development and must NOT be used except
* for testing purposes.
*
* Requires: MBEDTLS_SSL_PROTO_TLS1_3
*
* Uncomment this macro to enable support for the record_size_limit extension
*/
//#define MBEDTLS_SSL_RECORD_SIZE_LIMIT
/**
* \def MBEDTLS_SSL_PROTO_TLS1_2
*

View file

@ -571,6 +571,8 @@
#define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
#define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
#define MBEDTLS_TLS_EXT_RECORD_SIZE_LIMIT 28 /* RFC 8449 (implemented for TLS 1.3 only) */
#define MBEDTLS_TLS_EXT_SESSION_TICKET 35
#define MBEDTLS_TLS_EXT_PRE_SHARED_KEY 41 /* RFC 8446 TLS 1.3 */