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open5gs/tests/csfb/tau-test.c
Sukchan Lee fd897f35a3 MME: handle EPS Bearer Context Status mismatch when active_flag=0 (#4112) 
When the UE sends a Tracking Area Update (TAU) Request with active_flag=0,
the MME previously sent TAU Accept without verifying the EPS Bearer Context
Status (EBCS). This caused stale bearer sessions to remain in the MME even
if the UE had already released them.

According to 3GPP TS 24.301 §5.5.3.2, the MME should release any bearer
not reported in the UE’s EBCS when active_flag=0. This patch introduces
mme_send_delete_session_or_tau_accept(), which compares the UE’s EBCS bitmask
with the MME session list and deletes any missing default bearer session
before sending TAU Accept.

If no mismatch is found, TAU Accept is sent immediately. The Delete Session
response triggers TAU Accept when deletions are required. This ensures that
the TAU Accept message reflects the UE’s current bearer context accurately.

Also includes:
 - Added OGS_GTP_DELETE_SEND_TAU_ACCEPT handling in mme-s11-handler.c
 - Simplified EBCS structure (uint16_t value) for bitmask comparison
 - Updated TAU-related tests with realistic EBI bitmasks (0x20, 0x60)

This change aligns TAU handling with 3GPP 24.301 and prevents bearer
mismatch issues between UE and EPC during TAU.
2025-10-16 21:46:38 +09:00

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/*
* Copyright (C) 2024 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "test-common.h"
extern ogs_socknode_t *sgsap;
static void test_simple_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap;
ogs_socknode_t *gtpu;
ogs_pkbuf_t *emmbuf;
ogs_pkbuf_t *esmbuf;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
ogs_s1ap_message_t message;
ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
test_ue_t *test_ue = NULL;
test_sess_t *sess = NULL;
test_bearer_t *bearer = NULL;
uint32_t enb_ue_s1ap_id;
uint64_t mme_ue_s1ap_id;
bson_t *doc = NULL;
/* Setup Test UE & Session Context */
memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
mobile_identity_suci.routing_indicator1 = 0;
mobile_identity_suci.routing_indicator2 = 0xf;
mobile_identity_suci.routing_indicator3 = 0xf;
mobile_identity_suci.routing_indicator4 = 0xf;
mobile_identity_suci.protection_scheme_id = OGS_PROTECTION_SCHEME_NULL;
mobile_identity_suci.home_network_pki_value = 0;
test_ue = test_ue_add_by_suci(&mobile_identity_suci, "3746000006");
ogs_assert(test_ue);
test_ue->e_cgi.cell_id = 0x54f6401;
test_ue->nas.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
test_ue->nas.value = OGS_NAS_ATTACH_TYPE_COMBINED_EPS_IMSI_ATTACH;
test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
sess = test_sess_add_by_apn(test_ue, "internet", OGS_GTP2_RAT_TYPE_EUTRAN);
ogs_assert(sess);
/* eNB connects to MME */
s1ap = tests1ap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, s1ap);
/* eNB connects to SGW */
gtpu = test_gtpu_server(1, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu);
/* Send S1-Setup Reqeust */
sendbuf = test_s1ap_build_s1_setup_request(
S1AP_ENB_ID_PR_macroENB_ID, 0x54f64);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive S1-Setup Response */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(NULL, recvbuf);
/********** Insert Subscriber in Database */
doc = test_db_new_simple(test_ue);
ABTS_PTR_NOTNULL(tc, doc);
ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
/* Send Attach Request */
memset(&sess->pdn_connectivity_param,
0, sizeof(sess->pdn_connectivity_param));
sess->pdn_connectivity_param.eit = 1;
sess->pdn_connectivity_param.pco = 1;
sess->pdn_connectivity_param.request_type =
OGS_NAS_EPS_REQUEST_TYPE_INITIAL;
esmbuf = testesm_build_pdn_connectivity_request(
sess, false, OGS_NAS_EPS_PDN_TYPE_IPV4V6);
ABTS_PTR_NOTNULL(tc, esmbuf);
memset(&test_ue->attach_request_param,
0, sizeof(test_ue->attach_request_param));
test_ue->attach_request_param.ms_network_feature_support = 1;
emmbuf = testemm_build_attach_request(test_ue, esmbuf, false, false);
ABTS_PTR_NOTNULL(tc, emmbuf);
memset(&test_ue->initial_ue_param, 0, sizeof(test_ue->initial_ue_param));
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, false);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Authentication response */
emmbuf = testemm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Security mode complete */
test_ue->mobile_identity_imeisv_presence = true;
emmbuf = testemm_build_security_mode_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send ESM Information Response */
esmbuf = testesm_build_esm_information_response(sess);
ABTS_PTR_NOTNULL(tc, esmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(1);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Initial Context Setup Request +
* Attach Accept +
* Activate Default Bearer Context Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Capability Info Indication */
sendbuf = tests1ap_build_ue_radio_capability_info_indication(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Initial Context Setup Response */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Attach Complete + Activate default EPS bearer cotext accept */
test_ue->nr_cgi.cell_id = 0x1234502;
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
esmbuf = testesm_build_activate_default_eps_bearer_context_accept(
bearer, false);
ABTS_PTR_NOTNULL(tc, esmbuf);
emmbuf = testemm_build_attach_complete(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive EMM information */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send TAU Request */
memset(&test_ue->tau_request_param, 0, sizeof(test_ue->tau_request_param));
test_ue->tau_request_param.ue_network_capability = 1;
test_ue->tau_request_param.last_visited_registered_tai = 1;
test_ue->tau_request_param.drx_parameter = 1;
test_ue->tau_request_param.eps_bearer_context_status = 0x20; /* EBI:5 */
test_ue->tau_request_param.ms_network_capability = 1;
test_ue->tau_request_param.tmsi_status = 1;
test_ue->tau_request_param.mobile_station_classmark_2 = 1;
test_ue->tau_request_param.ue_usage_setting = 1;
test_ue->tau_request_param.device_properties = 1;
emmbuf = testemm_build_tau_request(
test_ue, true, OGS_NAS_EPS_UPDATE_TYPE_COMBINED_TA_LA_UPDATING, true, true);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive OLD UE Context Release Command */
enb_ue_s1ap_id = test_ue->enb_ue_s1ap_id;
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send OLD UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
test_ue->enb_ue_s1ap_id = enb_ue_s1ap_id;
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(1);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive InitialContextSetupResponse + TAU Accept */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send InitialContextSetupResponse */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send UE Context Release Request */
sendbuf = test_s1ap_build_ue_context_release_request(test_ue,
S1AP_Cause_PR_radioNetwork, S1AP_CauseRadioNetwork_user_inactivity);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive UE Context Release Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
ogs_msleep(300);
/********** Remove Subscriber in Database */
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
/* eNB disonncect from MME */
testenb_s1ap_close(s1ap);
/* eNB disonncect from SGW */
test_gtpu_close(gtpu);
test_ue_remove(test_ue);
}
static void test_no_active_flag_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap;
ogs_socknode_t *gtpu;
ogs_pkbuf_t *emmbuf;
ogs_pkbuf_t *esmbuf;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
ogs_s1ap_message_t message;
ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
test_ue_t *test_ue = NULL;
test_sess_t *sess = NULL;
test_bearer_t *bearer = NULL;
uint32_t enb_ue_s1ap_id;
uint64_t mme_ue_s1ap_id;
bson_t *doc = NULL;
/* Setup Test UE & Session Context */
memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
mobile_identity_suci.routing_indicator1 = 0;
mobile_identity_suci.routing_indicator2 = 0xf;
mobile_identity_suci.routing_indicator3 = 0xf;
mobile_identity_suci.routing_indicator4 = 0xf;
mobile_identity_suci.protection_scheme_id = OGS_PROTECTION_SCHEME_NULL;
mobile_identity_suci.home_network_pki_value = 0;
test_ue = test_ue_add_by_suci(&mobile_identity_suci, "3746000006");
ogs_assert(test_ue);
test_ue->e_cgi.cell_id = 0x54f6401;
test_ue->nas.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
test_ue->nas.value = OGS_NAS_ATTACH_TYPE_COMBINED_EPS_IMSI_ATTACH;
test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
sess = test_sess_add_by_apn(test_ue, "internet", OGS_GTP2_RAT_TYPE_EUTRAN);
ogs_assert(sess);
/* eNB connects to MME */
s1ap = tests1ap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, s1ap);
/* eNB connects to SGW */
gtpu = test_gtpu_server(1, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu);
/* Send S1-Setup Reqeust */
sendbuf = test_s1ap_build_s1_setup_request(
S1AP_ENB_ID_PR_macroENB_ID, 0x54f64);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive S1-Setup Response */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(NULL, recvbuf);
/********** Insert Subscriber in Database */
doc = test_db_new_simple(test_ue);
ABTS_PTR_NOTNULL(tc, doc);
ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
/* Send Attach Request */
memset(&sess->pdn_connectivity_param,
0, sizeof(sess->pdn_connectivity_param));
sess->pdn_connectivity_param.eit = 1;
sess->pdn_connectivity_param.pco = 1;
sess->pdn_connectivity_param.request_type =
OGS_NAS_EPS_REQUEST_TYPE_INITIAL;
esmbuf = testesm_build_pdn_connectivity_request(
sess, false, OGS_NAS_EPS_PDN_TYPE_IPV4V6);
ABTS_PTR_NOTNULL(tc, esmbuf);
memset(&test_ue->attach_request_param,
0, sizeof(test_ue->attach_request_param));
test_ue->attach_request_param.ms_network_feature_support = 1;
emmbuf = testemm_build_attach_request(test_ue, esmbuf, false, false);
ABTS_PTR_NOTNULL(tc, emmbuf);
memset(&test_ue->initial_ue_param, 0, sizeof(test_ue->initial_ue_param));
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, false);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Authentication response */
emmbuf = testemm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Security mode complete */
test_ue->mobile_identity_imeisv_presence = true;
emmbuf = testemm_build_security_mode_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send ESM Information Response */
esmbuf = testesm_build_esm_information_response(sess);
ABTS_PTR_NOTNULL(tc, esmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(2);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive InitialContextSetupRequest +
* Attach Accept +
* Activate Default Bearer Context Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Capability Info Indication */
sendbuf = tests1ap_build_ue_radio_capability_info_indication(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send InitialContextSetupResponse */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Attach Complete + Activate default EPS bearer cotext accept */
test_ue->nr_cgi.cell_id = 0x1234502;
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
esmbuf = testesm_build_activate_default_eps_bearer_context_accept(
bearer, false);
ABTS_PTR_NOTNULL(tc, esmbuf);
emmbuf = testemm_build_attach_complete(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive EMM information */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send TAU Request */
memset(&test_ue->tau_request_param, 0, sizeof(test_ue->tau_request_param));
test_ue->tau_request_param.ue_network_capability = 1;
test_ue->tau_request_param.last_visited_registered_tai = 1;
test_ue->tau_request_param.drx_parameter = 1;
test_ue->tau_request_param.eps_bearer_context_status = 0x20; /* EBI:5 */
test_ue->tau_request_param.ms_network_capability = 1;
test_ue->tau_request_param.tmsi_status = 1;
test_ue->tau_request_param.mobile_station_classmark_2 = 1;
test_ue->tau_request_param.ue_usage_setting = 1;
test_ue->tau_request_param.device_properties = 1;
emmbuf = testemm_build_tau_request(
test_ue, false,
OGS_NAS_EPS_UPDATE_TYPE_COMBINED_TA_LA_UPDATING_WITH_IMSI_ATTACH,
true, true);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive OLD UEContextReleaseCommand */
enb_ue_s1ap_id = test_ue->enb_ue_s1ap_id;
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send OLD UEContextReleaseComplete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
test_ue->enb_ue_s1ap_id = enb_ue_s1ap_id;
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(0);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive TAU Accept */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send TAU Complete */
emmbuf = testemm_build_tau_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive UEContextReleaseCommand */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UEContextReleaseComplete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
ogs_msleep(300);
/********** Remove Subscriber in Database */
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
/* eNB disonncect from MME */
testenb_s1ap_close(s1ap);
/* eNB disonncect from SGW */
test_gtpu_close(gtpu);
test_ue_remove(test_ue);
}
static void test_integrity_unprotected_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap;
ogs_socknode_t *gtpu;
ogs_pkbuf_t *emmbuf;
ogs_pkbuf_t *esmbuf;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
ogs_s1ap_message_t message;
ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
test_ue_t *test_ue = NULL;
test_sess_t *sess = NULL;
test_bearer_t *bearer = NULL;
uint32_t enb_ue_s1ap_id;
uint64_t mme_ue_s1ap_id;
bson_t *doc = NULL;
/* Setup Test UE & Session Context */
memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
mobile_identity_suci.routing_indicator1 = 0;
mobile_identity_suci.routing_indicator2 = 0xf;
mobile_identity_suci.routing_indicator3 = 0xf;
mobile_identity_suci.routing_indicator4 = 0xf;
mobile_identity_suci.protection_scheme_id = OGS_PROTECTION_SCHEME_NULL;
mobile_identity_suci.home_network_pki_value = 0;
test_ue = test_ue_add_by_suci(&mobile_identity_suci, "3746000006");
ogs_assert(test_ue);
test_ue->e_cgi.cell_id = 0x54f6401;
test_ue->nas.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
test_ue->nas.value = OGS_NAS_ATTACH_TYPE_COMBINED_EPS_IMSI_ATTACH;
test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
sess = test_sess_add_by_apn(test_ue, "internet", OGS_GTP2_RAT_TYPE_EUTRAN);
ogs_assert(sess);
/* eNB connects to MME */
s1ap = tests1ap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, s1ap);
/* eNB connects to SGW */
gtpu = test_gtpu_server(1, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu);
/* Send S1-Setup Reqeust */
sendbuf = test_s1ap_build_s1_setup_request(
S1AP_ENB_ID_PR_macroENB_ID, 0x54f64);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive S1-Setup Response */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(NULL, recvbuf);
/********** Insert Subscriber in Database */
doc = test_db_new_simple(test_ue);
ABTS_PTR_NOTNULL(tc, doc);
ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
/* Send Attach Request */
memset(&sess->pdn_connectivity_param,
0, sizeof(sess->pdn_connectivity_param));
sess->pdn_connectivity_param.eit = 1;
sess->pdn_connectivity_param.pco = 1;
sess->pdn_connectivity_param.request_type =
OGS_NAS_EPS_REQUEST_TYPE_INITIAL;
esmbuf = testesm_build_pdn_connectivity_request(
sess, false, OGS_NAS_EPS_PDN_TYPE_IPV4V6);
ABTS_PTR_NOTNULL(tc, esmbuf);
memset(&test_ue->attach_request_param,
0, sizeof(test_ue->attach_request_param));
test_ue->attach_request_param.ms_network_feature_support = 1;
emmbuf = testemm_build_attach_request(test_ue, esmbuf, false, false);
ABTS_PTR_NOTNULL(tc, emmbuf);
memset(&test_ue->initial_ue_param, 0, sizeof(test_ue->initial_ue_param));
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, false);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Authentication response */
emmbuf = testemm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Security mode complete */
test_ue->mobile_identity_imeisv_presence = true;
emmbuf = testemm_build_security_mode_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send ESM Information Response */
esmbuf = testesm_build_esm_information_response(sess);
ABTS_PTR_NOTNULL(tc, esmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(1);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Initial Context Setup Request +
* Attach Accept +
* Activate Default Bearer Context Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Capability Info Indication */
sendbuf = tests1ap_build_ue_radio_capability_info_indication(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Initial Context Setup Response */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Attach Complete + Activate default EPS bearer cotext accept */
test_ue->nr_cgi.cell_id = 0x1234502;
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
esmbuf = testesm_build_activate_default_eps_bearer_context_accept(
bearer, false);
ABTS_PTR_NOTNULL(tc, esmbuf);
emmbuf = testemm_build_attach_complete(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive EMM information */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send TAU Request */
memset(&test_ue->tau_request_param, 0, sizeof(test_ue->tau_request_param));
test_ue->tau_request_param.ue_network_capability = 1;
test_ue->tau_request_param.last_visited_registered_tai = 1;
test_ue->tau_request_param.drx_parameter = 1;
test_ue->tau_request_param.eps_bearer_context_status = 0x20; /* EBI:5 */
test_ue->tau_request_param.ms_network_capability = 1;
test_ue->tau_request_param.tmsi_status = 1;
test_ue->tau_request_param.mobile_station_classmark_2 = 1;
test_ue->tau_request_param.ue_usage_setting = 1;
test_ue->tau_request_param.device_properties = 1;
emmbuf = testemm_build_tau_request(
test_ue, true,
OGS_NAS_EPS_UPDATE_TYPE_COMBINED_TA_LA_UPDATING_WITH_IMSI_ATTACH,
false, false);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Authentication response */
emmbuf = testemm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Security mode complete */
test_ue->mobile_identity_imeisv_presence = true;
emmbuf = testemm_build_security_mode_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive OLD UE Context Release Command */
enb_ue_s1ap_id = test_ue->enb_ue_s1ap_id;
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send OLD UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
test_ue->enb_ue_s1ap_id = enb_ue_s1ap_id;
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(0);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive InitialContextSetupResponse + TAU Accept */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send TAU Complete */
emmbuf = testemm_build_tau_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send InitialContextSetupResponse */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send UE Context Release Request */
sendbuf = test_s1ap_build_ue_context_release_request(test_ue,
S1AP_Cause_PR_radioNetwork, S1AP_CauseRadioNetwork_user_inactivity);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive UE Context Release Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
ogs_msleep(300);
/********** Remove Subscriber in Database */
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
/* eNB disonncect from MME */
testenb_s1ap_close(s1ap);
/* eNB disonncect from SGW */
test_gtpu_close(gtpu);
test_ue_remove(test_ue);
}
static void test_uplink_transport_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap1, *s1ap2;
ogs_socknode_t *gtpu1, *gtpu2;
ogs_pkbuf_t *emmbuf;
ogs_pkbuf_t *esmbuf;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
ogs_pkbuf_t *pkbuf;
ogs_s1ap_message_t message;
ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
test_ue_t *test_ue = NULL;
test_sess_t *sess = NULL;
test_bearer_t *bearer = NULL;
uint32_t enb_ue_s1ap_id;
uint64_t mme_ue_s1ap_id;
bson_t *doc = NULL;
/* Setup Test UE & Session Context */
memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
mobile_identity_suci.routing_indicator1 = 0;
mobile_identity_suci.routing_indicator2 = 0xf;
mobile_identity_suci.routing_indicator3 = 0xf;
mobile_identity_suci.routing_indicator4 = 0xf;
mobile_identity_suci.protection_scheme_id = OGS_PROTECTION_SCHEME_NULL;
mobile_identity_suci.home_network_pki_value = 0;
test_ue = test_ue_add_by_suci(&mobile_identity_suci, "3746000006");
ogs_assert(test_ue);
test_ue->e_cgi.cell_id = 0x1234560;
test_ue->nas.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
test_ue->nas.value = OGS_NAS_ATTACH_TYPE_COMBINED_EPS_IMSI_ATTACH;
test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
sess = test_sess_add_by_apn(test_ue, "internet", OGS_GTP2_RAT_TYPE_EUTRAN);
ogs_assert(sess);
/* Two eNB connects to MME */
s1ap1 = tests1ap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, s1ap1);
s1ap2 = tests1ap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, s1ap2);
/* eNB connects to SGW */
gtpu1 = test_gtpu_server(1, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu1);
gtpu2 = test_gtpu_server(2, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu2);
/* S1-Setup Reqeust/Response for Source eNB */
sendbuf = test_s1ap_build_s1_setup_request(
S1AP_ENB_ID_PR_macroENB_ID, 0x1f2);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(NULL, recvbuf);
/* S1-Setup Reqeust/Response for Target eNB */
sendbuf = test_s1ap_build_s1_setup_request(
S1AP_ENB_ID_PR_macroENB_ID, 0x43);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(NULL, recvbuf);
/********** Insert Subscriber in Database */
doc = test_db_new_qos_flow(test_ue);
ABTS_PTR_NOTNULL(tc, doc);
ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
/* Send Attach Request */
memset(&sess->pdn_connectivity_param,
0, sizeof(sess->pdn_connectivity_param));
sess->pdn_connectivity_param.eit = 1;
sess->pdn_connectivity_param.pco = 1;
sess->pdn_connectivity_param.request_type =
OGS_NAS_EPS_REQUEST_TYPE_INITIAL;
esmbuf = testesm_build_pdn_connectivity_request(
sess, false, OGS_NAS_EPS_PDN_TYPE_IPV4V6);
ABTS_PTR_NOTNULL(tc, esmbuf);
memset(&test_ue->attach_request_param,
0, sizeof(test_ue->attach_request_param));
test_ue->attach_request_param.guti = 1;
test_ue->attach_request_param.last_visited_registered_tai = 1;
test_ue->attach_request_param.drx_parameter = 1;
test_ue->attach_request_param.tmsi_status = 1;
test_ue->attach_request_param.mobile_station_classmark_2 = 1;
test_ue->attach_request_param.additional_update_type = 1;
test_ue->attach_request_param.ue_usage_setting = 1;
test_ue->attach_request_param.old_guti_type = 1;
emmbuf = testemm_build_attach_request(test_ue, esmbuf, true, false);
ABTS_PTR_NOTNULL(tc, emmbuf);
memset(&test_ue->initial_ue_param, 0, sizeof(test_ue->initial_ue_param));
test_ue->initial_ue_param.gummei_id = 1;
test_ue->initial_ue_param.gummei.mme_gid = 2;
test_ue->initial_ue_param.gummei.mme_code = 1;
sendbuf = test_s1ap_build_initial_ue_message(
test_ue, emmbuf, S1AP_RRC_Establishment_Cause_mo_Signalling, false);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Identity Request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Identity response */
emmbuf = testemm_build_identity_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Authentication response */
emmbuf = testemm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Security mode complete */
test_ue->mobile_identity_imeisv_presence = true;
emmbuf = testemm_build_security_mode_complete(test_ue);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send ESM Information Response */
esmbuf = testesm_build_esm_information_response(sess);
ABTS_PTR_NOTNULL(tc, esmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(0);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Initial Context Setup Request +
* Attach Accept +
* Activate Default Bearer Context Request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Capability Info Indication */
sendbuf = tests1ap_build_ue_radio_capability_info_indication(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Initial Context Setup Response */
sendbuf = test_s1ap_build_initial_context_setup_response(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Attach Complete + Activate default EPS bearer cotext accept */
test_ue->nr_cgi.cell_id = 0x1234502;
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
esmbuf = testesm_build_activate_default_eps_bearer_context_accept(
bearer, false);
ABTS_PTR_NOTNULL(tc, esmbuf);
emmbuf = testemm_build_attach_complete(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive EMM information */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Receive SGsAP-TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive E-RAB Setup Request +
* Activate dedicated EPS bearer context request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send E-RAB Setup Response */
bearer = test_bearer_find_by_ue_ebi(test_ue, 6);
ogs_assert(bearer);
sendbuf = test_s1ap_build_e_rab_setup_response(bearer);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Activate dedicated EPS bearer context accept */
esmbuf = testesm_build_activate_dedicated_eps_bearer_context_accept(bearer);
ABTS_PTR_NOTNULL(tc, esmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, esmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send ENB configuration transfer */
sendbuf = test_s1ap_build_enb_configuration_transfer(0);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive MME configuration transfer */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send ENB configuration transfer */
sendbuf = test_s1ap_build_enb_configuration_transfer(1);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive MME configuration transfer */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* DELAY is needed in dedicated EPS bearer */
ogs_msleep(100);
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu1, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 6);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu1, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Handover Required */
sendbuf = test_s1ap_build_handover_required(
test_ue, S1AP_HandoverType_intralte,
S1AP_ENB_ID_PR_macroENB_ID, 0x43,
S1AP_Cause_PR_radioNetwork,
S1AP_CauseRadioNetwork_time_critical_handover);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Request */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Request Ack */
ogs_list_for_each(&sess->bearer_list, bearer) {
bearer->enb_s1u_addr = test_self()->gnb2_addr;
bearer->enb_s1u_addr6 = test_self()->gnb2_addr6;
}
sendbuf = test_s1ap_build_handover_request_ack(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Command */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu1, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
/* Copy ICMP Packet */
pkbuf = ogs_pkbuf_alloc(NULL, 200);
ogs_assert(pkbuf);
ogs_pkbuf_reserve(pkbuf, OGS_GTPV1U_5GC_HEADER_LEN);
ogs_pkbuf_put(pkbuf, 200-OGS_GTPV1U_5GC_HEADER_LEN);
memset(pkbuf->data, 0, pkbuf->len);
memcpy(pkbuf->data, recvbuf->data + 8, recvbuf->len - 8);
ogs_pkbuf_free(recvbuf);
/* Send GTP-U Packet with Indirect Data Forwarding */
rv = test_gtpu_send_indirect_data_forwarding(gtpu1, bearer, pkbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = testgnb_gtpu_read(gtpu2);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send eNB Status Transfer */
sendbuf = test_s1ap_build_enb_status_transfer(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive MME Status Transfer */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Notify */
test_ue->e_cgi.cell_id = 0xabcdef0;
sendbuf = test_s1ap_build_handover_notify(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive End Mark */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive End Mark */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send TAU Request */
memset(&test_ue->tau_request_param, 0, sizeof(test_ue->tau_request_param));
test_ue->tau_request_param.ue_network_capability = 1;
test_ue->tau_request_param.last_visited_registered_tai = 1;
test_ue->tau_request_param.drx_parameter = 1;
test_ue->tau_request_param.eps_bearer_context_status =
0x60; /* EBI:5, EBI:6 */
test_ue->tau_request_param.ms_network_capability = 1;
test_ue->tau_request_param.tmsi_status = 1;
test_ue->tau_request_param.mobile_station_classmark_2 = 1;
test_ue->tau_request_param.ue_usage_setting = 1;
emmbuf = testemm_build_tau_request(
test_ue, true, OGS_NAS_EPS_UPDATE_TYPE_COMBINED_TA_LA_UPDATING,
true, true);
ABTS_PTR_NOTNULL(tc, emmbuf);
sendbuf = test_s1ap_build_uplink_nas_transport(test_ue, emmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
sendbuf = test_sgsap_location_update_accept(0);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive TAU Accept */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Receive UE Context Release Command */
mme_ue_s1ap_id = test_ue->mme_ue_s1ap_id;
enb_ue_s1ap_id = test_ue->enb_ue_s1ap_id;
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
test_ue->mme_ue_s1ap_id = mme_ue_s1ap_id;
test_ue->enb_ue_s1ap_id = enb_ue_s1ap_id;
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu2, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu2);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 6);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu2, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu2);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Handover Required */
sendbuf = test_s1ap_build_handover_required(
test_ue, S1AP_HandoverType_intralte,
S1AP_ENB_ID_PR_macroENB_ID, 0x1f2,
S1AP_Cause_PR_radioNetwork,
S1AP_CauseRadioNetwork_time_critical_handover);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Request */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Request Ack */
ogs_list_for_each(&sess->bearer_list, bearer) {
bearer->enb_s1u_addr = test_self()->gnb1_addr;
bearer->enb_s1u_addr6 = test_self()->gnb1_addr6;
}
sendbuf = test_s1ap_build_handover_request_ack(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Command */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send eNB Status Transfer */
sendbuf = test_s1ap_build_enb_status_transfer(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive MME Status Transfer */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Notify */
test_ue->e_cgi.cell_id = 0x1234560;
sendbuf = test_s1ap_build_handover_notify(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive End Mark */
recvbuf = test_gtpu_read(gtpu2);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive End Mark */
recvbuf = test_gtpu_read(gtpu2);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive UE Context Release Command */
mme_ue_s1ap_id = test_ue->mme_ue_s1ap_id;
enb_ue_s1ap_id = test_ue->enb_ue_s1ap_id;
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
test_ue->mme_ue_s1ap_id = mme_ue_s1ap_id;
test_ue->enb_ue_s1ap_id = enb_ue_s1ap_id;
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 5);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu1, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send GTP-U ICMP Packet */
bearer = test_bearer_find_by_ue_ebi(test_ue, 6);
ogs_assert(bearer);
rv = test_gtpu_send_ping(gtpu1, bearer, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = test_gtpu_read(gtpu1);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Handover Required */
sendbuf = test_s1ap_build_handover_required(
test_ue, S1AP_HandoverType_intralte,
S1AP_ENB_ID_PR_macroENB_ID, 0x43,
S1AP_Cause_PR_radioNetwork,
S1AP_CauseRadioNetwork_time_critical_handover);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Request */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Request Ack */
ogs_list_for_each(&sess->bearer_list, bearer) {
bearer->enb_s1u_addr = test_self()->gnb1_addr;
bearer->enb_s1u_addr6 = test_self()->gnb1_addr6;
}
sendbuf = test_s1ap_build_handover_request_ack(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Handover Command */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send Handover Cancel */
sendbuf = test_s1ap_build_handover_cancel(test_ue,
S1AP_Cause_PR_radioNetwork,
S1AP_CauseRadioNetwork_tS1relocprep_expiry);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap1, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive UE Context Release Command */
recvbuf = testenb_s1ap_read(s1ap2);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
/* Send UE Context Release Complete */
sendbuf = test_s1ap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testenb_s1ap_send(s1ap2, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Recv HandoverCancelAcknowledge */
recvbuf = testenb_s1ap_read(s1ap1);
ABTS_PTR_NOTNULL(tc, recvbuf);
tests1ap_recv(test_ue, recvbuf);
ogs_msleep(300);
/********** Remove Subscriber in Database */
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
/* eNB disonncect from SGW */
testgnb_gtpu_close(gtpu2);
testgnb_gtpu_close(gtpu1);
/* Two eNB disonncect from MME */
testenb_s1ap_close(s1ap1);
testenb_s1ap_close(s1ap2);
test_ue_remove(test_ue);
}
abts_suite *test_tau(abts_suite *suite)
{
suite = ADD_SUITE(suite)
abts_run_test(suite, test_simple_func, NULL);
abts_run_test(suite, test_no_active_flag_func, NULL);
abts_run_test(suite, test_integrity_unprotected_func, NULL);
abts_run_test(suite, test_uplink_transport_func, NULL);
return suite;
}
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