eden-emu/mbedtls
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fix various issue

Browse source 
- remove unused test case
- add alert message
- improve readabitlity

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-07-13 23:06:36 +08:00
parent fe52e55301
commit 299e31f10e
2 changed files with 14 additions and 14 deletions
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17
library/ssl_tls13_server.c
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@ -55,24 +55,29 @@
*/
static int ssl_tls13_parse_key_exchange_modes_ext( mbedtls_ssl_context *ssl,
const unsigned char *buf,
const unsigned char *end)
const unsigned char *end )
{
const unsigned char *p = buf;
size_t ke_modes_len;
int ke_modes = 0;
/* Read PSK mode list length (1 Byte) */
MBEDTLS_SSL_CHK_BUF_READ_PTR( buf, end, 1 );
ke_modes_len = *buf++;
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, 1 );
ke_modes_len = *p++;
/* Currently, there are only two PSK modes, so even without looking
* at the content, something's wrong if the list has more than 2 items. */
if( ke_modes_len > 2 )
{
MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER,
MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
}
MBEDTLS_SSL_CHK_BUF_READ_PTR( buf, end, ke_modes_len );
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, ke_modes_len );
while( ke_modes_len-- != 0 )
{
switch( *buf++ )
switch( *p++ )
{
case MBEDTLS_SSL_TLS1_3_PSK_MODE_PURE:
ke_modes |= MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK;
@ -83,6 +88,8 @@ static int ssl_tls13_parse_key_exchange_modes_ext( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_MSG( 3, ( "Found PSK_EPHEMERAL KEX MODE" ) );
break;
default:
MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER,
MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
}
}