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Made support for the max_fragment_length extension configurable

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This commit is contained in:
Paul Bakker 2013-08-15 13:33:48 +02:00
parent 9f3478a37d
commit 05decb24c3
7 changed files with 62 additions and 6 deletions
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8
library/ssl_srv.c
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@ -564,6 +564,7 @@ static int ssl_parse_supported_point_formats( ssl_context *ssl,
}
#endif /* POLARSSL_ECP_C */
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
static int ssl_parse_max_fragment_length_ext( ssl_context *ssl,
const unsigned char *buf,
size_t len )
@ -578,6 +579,7 @@ static int ssl_parse_max_fragment_length_ext( ssl_context *ssl,
return( 0 );
}
#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
static int ssl_parse_truncated_hmac_ext( ssl_context *ssl,
const unsigned char *buf,
@ -1174,6 +1176,7 @@ static int ssl_parse_client_hello( ssl_context *ssl )
break;
#endif /* POLARSSL_ECP_C */
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
case TLS_EXT_MAX_FRAGMENT_LENGTH:
SSL_DEBUG_MSG( 3, ( "found max fragment length extension" ) );
@ -1181,6 +1184,7 @@ static int ssl_parse_client_hello( ssl_context *ssl )
if( ret != 0 )
return( ret );
break;
#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
case TLS_EXT_TRUNCATED_HMAC:
SSL_DEBUG_MSG( 3, ( "found truncated hmac extension" ) );
@ -1386,6 +1390,7 @@ static void ssl_write_renegotiation_ext( ssl_context *ssl,
*olen = 5 + ssl->verify_data_len * 2;
}
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
static void ssl_write_max_fragment_length_ext( ssl_context *ssl,
unsigned char *buf,
size_t *olen )
@ -1410,6 +1415,7 @@ static void ssl_write_max_fragment_length_ext( ssl_context *ssl,
*olen = 5;
}
#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
static int ssl_write_server_hello( ssl_context *ssl )
{
@ -1551,8 +1557,10 @@ static int ssl_write_server_hello( ssl_context *ssl )
ssl_write_renegotiation_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen;
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
ssl_write_max_fragment_length_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen;
#endif
ssl_write_truncated_hmac_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen;