static void
_gnutls_ext_unset_resumed_session_data(gnutls_session_t session,
uint16_t type)
{
gnutls_ext_deinit_data_func deinit;
extension_priv_data_t data;
int ret, i;
deinit = _gnutls_ext_func_deinit(type);
ret = _gnutls_ext_get_resumed_session_data(session, type, &data);
if (ret >= 0 && deinit != NULL) {
deinit(data);
}
for (i = 0; i < MAX_EXT_TYPES; i++) {
if (session->internals.resumed_extension_int_data[i].
type == type) {
session->internals.resumed_extension_int_data[i].
set = 0;
return;
}
}
}
/* returns a positive number if we send the extension data, (0) if we
do not want to send it, and a negative number on failure.
*/
static int
session_ticket_send_params(gnutls_session_t session,
gnutls_buffer_st * extdata)
{
session_ticket_ext_st *priv = NULL;
extension_priv_data_t epriv;
int ret;
ret =
_gnutls_ext_get_session_data(session,
GNUTLS_EXTENSION_SESSION_TICKET,
&epriv);
if (ret >= 0)
priv = epriv;
if (priv == NULL || !priv->session_ticket_enable)
return 0;
if (session->security_parameters.entity == GNUTLS_SERVER) {
if (priv && priv->session_ticket_renew) {
return GNUTLS_E_INT_RET_0;
}
} else {
ret =
_gnutls_ext_get_resumed_session_data(session,
GNUTLS_EXTENSION_SESSION_TICKET,
&epriv);
if (ret >= 0)
priv = epriv;
/* no previous data. Just advertize it */
if (ret < 0)
return GNUTLS_E_INT_RET_0;
/* previous data had session tickets disabled. Don't advertize. Ignore. */
if (!priv->session_ticket_enable)
return 0;
if (priv->session_ticket_len > 0) {
ret =
_gnutls_buffer_append_data(extdata,
priv->
session_ticket,
priv->
session_ticket_len);
if (ret < 0)
return gnutls_assert_val(ret);
return priv->session_ticket_len;
}
}
return 0;
}
