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Don't allocate space for DTLS header if DTLS is disabled

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This commit is contained in:
Hanno Becker 2017-10-04 13:56:42 +01:00
parent 6e052b0fbe
commit 0ca15967d1
1 changed files with 10 additions and 4 deletions
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14
include/mbedtls/ssl_internal.h
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@ -154,11 +154,17 @@
#error Bad configuration - protected record payload too large.
#endif
#define MBEDTLS_SSL_BUFFER_LEN ( MBEDTLS_SSL_PAYLOAD_LEN \
+ 5 /* TLS record header */ \
+ 8 /* Additional DTLS fields */ \
)
#if !defined(MBEDTLS_SSL_PROTO_DTLS)
/* https://tools.ietf.org/html/rfc5246#section-6.2 */
#define MBEDTLS_SSL_HEADER_LEN 5
#else
/* https://tools.ietf.org/html/rfc6347#section-4.1 */
/* 8 additional bytes for epoch and sequence number */
#define MBEDTLS_SSL_HEADER_LEN 13
#endif
#define MBEDTLS_SSL_BUFFER_LEN \
( ( MBEDTLS_SSL_HEADER_LEN ) + ( MBEDTLS_SSL_PAYLOAD_LEN ) )
/*
* TLS extension flags (for extensions with outgoing ServerHello content