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In emm_state_attached state, if NAS MAC is failed, service reject is sent out

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This commit is contained in:
Sukchan Lee 2018-01-21 17:36:59 +09:00
parent 1d947c5698
commit 4eb314d781
2 changed files with 51 additions and 7 deletions
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45
src/mme/emm_sm.c
View file

@ -85,7 +85,8 @@ void emm_state_detached(fsm_t *s, event_t *e)
else
{
d_warn("NAS MAC Failure in emm_state_detached");
nas_send_service_reject(mme_ue, EMM_CAUSE_MAC_FAILURE);
nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
FSM_TRAN(s, &emm_state_exception);
}
}
@ -274,8 +275,25 @@ void emm_state_identity(fsm_t *s, event_t *e)
{
if (MME_HAVE_SGW_S11_PATH(mme_ue))
{
mme_s6a_send_air(mme_ue, NULL);
FSM_TRAN(&mme_ue->sm, &emm_state_authentication);
S1ap_Cause_t cause;
enb_ue_t *enb_ue = NULL;
d_warn("Have PDN Connection "
"in emm_state_attached");
nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
enb_ue = mme_ue->enb_ue;
d_assert(enb_ue, break, "No ENB UE context");
cause.present = S1ap_Cause_PR_nas;
cause.choice.nas = S1ap_CauseNas_normal_release;
rv = s1ap_send_ue_context_release_commmand(
enb_ue, &cause,
S1AP_UE_CTX_REL_NO_ACTION, 0);
d_assert(rv == CORE_OK, break,
"s1ap send failed");
FSM_TRAN(s, &emm_state_attached);
}
else
{
@ -683,13 +701,28 @@ void emm_state_attached(fsm_t *s, event_t *e)
{
if (MME_HAVE_SGW_S11_PATH(mme_ue))
{
mme_s6a_send_air(mme_ue, NULL);
FSM_TRAN(&mme_ue->sm, &emm_state_authentication);
S1ap_Cause_t cause;
enb_ue_t *enb_ue = NULL;
d_warn("Have PDN Connection in emm_state_attached");
nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
enb_ue = mme_ue->enb_ue;
d_assert(enb_ue, break, "No ENB UE context");
cause.present = S1ap_Cause_PR_nas;
cause.choice.nas = S1ap_CauseNas_normal_release;
rv = s1ap_send_ue_context_release_commmand(
enb_ue, &cause,
S1AP_UE_CTX_REL_NO_ACTION, 0);
d_assert(rv == CORE_OK, break, "s1ap send failed");
}
else
{
d_warn("No PDN Connection in emm_state_attached");
nas_send_service_reject(mme_ue, EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
FSM_TRAN(s, &emm_state_exception);
}
}

13
test/attach_test.c
View file

@ -1297,6 +1297,9 @@ static void attach_test5(abts_case *tc, void *data)
s1ap_message_t message;
int i;
int msgindex = 12;
enb_ue_t *enb_ue = NULL;
mme_ue_t *mme_ue = NULL;
c_uint32_t m_tmsi = 0;
mongoc_collection_t *collection = NULL;
bson_t *doc = NULL;
@ -1490,9 +1493,16 @@ static void attach_test5(abts_case *tc, void *data)
ABTS_INT_EQUAL(tc, CORE_OK, rv);
pkbuf_free(recvbuf);
/* Retreive M-TMSI */
enb_ue = enb_ue_find_by_mme_ue_s1ap_id(2);
d_assert(enb_ue, goto out,);
mme_ue = enb_ue->mme_ue;
d_assert(mme_ue, goto out,);
m_tmsi = mme_ue->guti.m_tmsi;
/* Send Service request */
rv = tests1ap_build_service_request(&sendbuf,
0x40072e, 4, 0xda67, 0x12345678);
0x40072e, 4, 0xda67, m_tmsi);
ABTS_INT_EQUAL(tc, CORE_OK, rv);
rv = tests1ap_enb_send(sock, sendbuf);
ABTS_INT_EQUAL(tc, CORE_OK, rv);
@ -1517,6 +1527,7 @@ static void attach_test5(abts_case *tc, void *data)
core_sleep(time_from_msec(300));
out:
/********** Remove Subscriber in Database */
doc = BCON_NEW("imsi", BCON_UTF8("001010123456937"));
ABTS_PTR_NOTNULL(tc, doc);