Rewrite test to make Coverity happier

With the default config, it noticed the accept_comp was always 0, so the rest
of the test was dead code.
This commit is contained in:
Manuel Pégourié-Gonnard 2015-06-24 22:28:19 +02:00
parent db5d15e227
commit 1cf7b30dc8

View File

@ -1147,7 +1147,10 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
size_t n;
size_t ext_len;
unsigned char *buf, *ext;
unsigned char comp, accept_comp;
unsigned char comp;
#if defined(MBEDTLS_ZLIB_SUPPORT)
int accept_comp;
#endif
#if defined(MBEDTLS_SSL_RENEGOTIATION)
int renegotiation_info_seen = 0;
#endif
@ -1302,19 +1305,19 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
comp = buf[37 + n];
#if defined(MBEDTLS_ZLIB_SUPPORT)
accept_comp = 1;
#else
accept_comp = 0;
#endif
/* See comments in ssl_write_client_hello() */
#if defined(MBEDTLS_SSL_PROTO_DTLS)
if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
accept_comp = 0;
else
#endif
accept_comp = 1;
if( ( accept_comp == 0 && comp != MBEDTLS_SSL_COMPRESS_NULL ) ||
( comp != MBEDTLS_SSL_COMPRESS_NULL && comp != MBEDTLS_SSL_COMPRESS_DEFLATE ) )
if( comp != MBEDTLS_SSL_COMPRESS_NULL &&
( comp != MBEDTLS_SSL_COMPRESS_DEFLATE || accept_comp == 0 ) )
#else /* MBEDTLS_ZLIB_SUPPORT */
if( comp != MBEDTLS_SSL_COMPRESS_NULL )
#endif/* MBEDTLS_ZLIB_SUPPORT */
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "server hello, bad compression: %d", comp ) );
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );