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mbedtls_ssl_config min_tls_version, max_tls_version

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Store the TLS version in tls_version instead of major, minor version num

Note: existing application use which accesses the struct member
(using MBEDTLS_PRIVATE) is not compatible on little-endian platforms,
but is compatible on big-endian platforms.  For systems supporting
only TLSv1.2, the underlying values are the same (=> 3).

New setter functions are more type-safe,
taking argument as enum mbedtls_ssl_protocol_version:
mbedtls_ssl_conf_max_tls_version()
mbedtls_ssl_conf_min_tls_version()

Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
This commit is contained in:
Glenn Strauss 2022-03-14 17:26:42 -04:00
parent da7851c825
commit 2dfcea2b9d
7 changed files with 96 additions and 120 deletions
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2
library/ssl_msg.c
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@ -3541,7 +3541,7 @@ static int ssl_parse_record_header( mbedtls_ssl_context const *ssl,
return( MBEDTLS_ERR_SSL_INVALID_RECORD );
}
if( minor_ver > ssl->conf->max_minor_ver )
if( minor_ver > ( ssl->conf->max_tls_version & 0xFF ) )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "minor version mismatch" ) );
return( MBEDTLS_ERR_SSL_INVALID_RECORD );