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Handle SR and TAU in security-mode state (#202)

This commit is contained in:
Sukchan Lee 2019-06-23 21:15:59 +09:00
parent db83b1e004
commit 5f8d609d0c
1 changed files with 17 additions and 0 deletions
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17
src/mme/emm-sm.c
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@ -467,6 +467,16 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
message = e->nas_message;
ogs_assert(message);
if (message->emm.h.security_header_type
== NAS_SECURITY_HEADER_FOR_SERVICE_REQUEST_MESSAGE) {
ogs_debug("[EMM] Service request");
rv = nas_send_service_reject(mme_ue,
EMM_CAUSE_SECURITY_MODE_REJECTED_UNSPECIFIED);
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, &emm_state_exception);
return;
}
switch (message->emm.h.message_type) {
case NAS_SECURITY_MODE_COMPLETE:
ogs_debug("[EMM] Security mode complete");
@ -511,6 +521,13 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
mme_s6a_send_air(mme_ue, NULL);
OGS_FSM_TRAN(s, &emm_state_authentication);
break;
case NAS_TRACKING_AREA_UPDATE_REQUEST:
ogs_debug("[EMM] Tracking area update request");
rv = nas_send_tau_reject(mme_ue,
EMM_CAUSE_SECURITY_MODE_REJECTED_UNSPECIFIED);
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, &emm_state_exception);
break;
case NAS_EMM_STATUS:
ogs_warn("[EMM] EMM STATUS : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,