Don't allow calling CID API outside of DTLS

This commit is contained in:
Hanno Becker 2019-05-03 14:38:32 +01:00
parent e2c2314ab4
commit 76a79ab4a2

View File

@ -128,6 +128,9 @@ int mbedtls_ssl_set_cid( mbedtls_ssl_context *ssl,
unsigned char const *own_cid,
size_t own_cid_len )
{
if( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
ssl->negotiate_cid = enable;
if( enable == MBEDTLS_SSL_CID_DISABLED )
{
@ -162,8 +165,11 @@ int mbedtls_ssl_get_peer_cid( mbedtls_ssl_context *ssl,
{
*enabled = MBEDTLS_SSL_CID_DISABLED;
if( ssl->state != MBEDTLS_SSL_HANDSHAKE_OVER )
if( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ||
ssl->state != MBEDTLS_SSL_HANDSHAKE_OVER )
{
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
/* We report MBEDTLS_SSL_CID_DISABLED in case the CID extensions
* were used, but client and server requested the empty CID.