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add path_switch_failure

This commit is contained in:
Sukchan Lee 2017-09-12 10:48:42 +09:00
parent 26386703d3
commit a68e5462ba
1 changed files with 16 additions and 8 deletions
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24
src/mme/s1ap_handler.c
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@ -528,6 +528,8 @@ void s1ap_handle_path_switch_request(
enb_ue_t *enb_ue = NULL;
mme_ue_t *mme_ue = NULL;
S1ap_Cause_t cause;
S1ap_PathSwitchRequestIEs_t *ies = NULL;
S1ap_EUTRAN_CGI_t *eutran_cgi;
S1ap_PLMNidentity_t *pLMNidentity = NULL;
@ -568,7 +570,6 @@ void s1ap_handle_path_switch_request(
enb_ue = enb_ue_find_by_mme_ue_s1ap_id(ies->sourceMME_UE_S1AP_ID);
if (!enb_ue)
{
S1ap_Cause_t cause;
d_error("Cannot find UE from sourceMME-UE-S1AP-ID[%d] and eNB[%s:%d]",
ies->sourceMME_UE_S1AP_ID,
INET_NTOP(&enb->s1ap_sock->remote.sin_addr.s_addr, buf),
@ -585,6 +586,20 @@ void s1ap_handle_path_switch_request(
mme_ue = enb_ue->mme_ue;
d_assert(mme_ue, return, "Null param");
if (SECURITY_CONTEXT_IS_VALID(mme_ue))
{
mme_ue->nhcc++;
mme_kdf_nh(mme_ue->kasme, mme_ue->nh, mme_ue->nh);
}
else
{
cause.present = S1ap_Cause_PR_nas;
cause.choice.radioNetwork = S1ap_CauseNas_authentication_failure;
s1ap_send_path_switch_failure(enb, ies->eNB_UE_S1AP_ID,
ies->sourceMME_UE_S1AP_ID, &cause);
return;
}
enb_ue->enb_ue_s1ap_id = ies->eNB_UE_S1AP_ID;
memcpy(&enb_ue->tai.plmn_id, pLMNidentity->buf,
@ -610,13 +625,6 @@ void s1ap_handle_path_switch_request(
else
mme_ue->ue_network_capability.eia0 = eia >> 9;
{
c_uint8_t new_nh[SHA256_DIGEST_SIZE];
mme_ue->nhcc++;
mme_kdf_nh(mme_ue->kasme, mme_ue->nh, new_nh);
memcpy(mme_ue->nh, new_nh, SHA256_DIGEST_SIZE);
}
MODIFY_BEARER_TRANSACTION_BEGIN(mme_ue,
MODIFY_BEARER_BY_PATH_SWITCH_REQUEST);