Merge pull request #7455 from KloolK/record-size-limit/comply-with-limit

Comply with the received Record Size Limit extension

library/ssl_tls13_server.c

@@ -1699,14 +1699,11 @@ static int ssl_tls13_parse_client_hello(mbedtls_ssl_context *ssl,
 
                 ret = mbedtls_ssl_tls13_parse_record_size_limit_ext(
                     ssl, p, extension_data_end);
-
-                /*
-                 * TODO: Return unconditionally here until we handle the record
-                 *       size limit correctly.
-                 *       Once handled correctly, only return in case of errors.
-                 */
-                return ret;
-
+                if (ret != 0) {
+                    MBEDTLS_SSL_DEBUG_RET(
+                        1, ("mbedtls_ssl_tls13_parse_record_size_limit_ext"), ret);
+                    return ret;
+                }
                 break;
 #endif /* MBEDTLS_SSL_RECORD_SIZE_LIMIT */