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Merge pull request #4382 from hanno-arm/max_record_payload_api

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Remove MFL query API and add API for maximum plaintext size of incoming records
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Manuel Pégourié-Gonnard 2021-06-08 11:07:27 +02:00 • committed by GitHub
commit 16fdab79a5
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9 changed files with 205 additions and 144 deletions
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33
library/ssl_misc.h
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@ -255,6 +255,39 @@
+ ( MBEDTLS_SSL_CID_OUT_LEN_MAX ) )
#endif
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
/**
* \brief Return the maximum fragment length (payload, in bytes) for
* the output buffer. For the client, this is the configured
* value. For the server, it is the minimum of two - the
* configured value and the negotiated one.
*
* \sa mbedtls_ssl_conf_max_frag_len()
* \sa mbedtls_ssl_get_max_out_record_payload()
*
* \param ssl SSL context
*
* \return Current maximum fragment length for the output buffer.
*/
size_t mbedtls_ssl_get_output_max_frag_len( const mbedtls_ssl_context *ssl );
/**
* \brief Return the maximum fragment length (payload, in bytes) for
* the input buffer. This is the negotiated maximum fragment
* length, or, if there is none, MBEDTLS_SSL_IN_CONTENT_LEN.
* If it is not defined either, the value is 2^14. This function
* works as its predecessor, \c mbedtls_ssl_get_max_frag_len().
*
* \sa mbedtls_ssl_conf_max_frag_len()
* \sa mbedtls_ssl_get_max_in_record_payload()
*
* \param ssl SSL context
*
* \return Current maximum fragment length for the output buffer.
*/
size_t mbedtls_ssl_get_input_max_frag_len( const mbedtls_ssl_context *ssl );
#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
static inline size_t mbedtls_ssl_get_output_buflen( const mbedtls_ssl_context *ctx )
{