MNCC: refuse any incoming SETUP if there is no MNCC connection

diff --git a/gsm_bs.cpp b/gsm_bs.cpp
index 259e8a9..3fc9a88 100644 (file)
--- a/gsm_bs.cpp
+++ b/gsm_bs.cpp
@@ -563,6 +563,20 @@ void Pgsm_bs::message_setup(unsigned int epoint_id, int message_id, union parame
        memcpy(&p_capainfo, &param->setup.capainfo, sizeof(p_capainfo));
        memcpy(&p_redirinfo, &param->setup.redirinfo, sizeof(p_redirinfo));
 
+       /* no GSM MNCC connection */
+       if (gsm->mncc_lfd.fd < 0) {
+               gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+               add_trace("failure", NULL, "No MNCC connection.");
+               end_trace();
+               message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+               message->param.disconnectinfo.cause = 27; // temp. unavail.
+               message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+               message_put(message);
+               new_state(PORT_STATE_RELEASE);
+               trigger_work(&p_m_g_delete);
+               return;
+       }
+
        /* no number */
        if (!p_dialinginfo.id[0]) {
                gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);