epdg: Introduce test TC_hss_initiated_deregister_permanent_termination
Change-Id: I50daa7a04e0f19dbf987a8baba7a979a353089a3
diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index 31963f4..71b65c0 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -478,6 +478,7 @@
var UINT32 hbh_id := f_rnd_octstring(4);
var UINT32 ete_id := f_rnd_octstring(4);
var octetstring reason_info := char2oct("test");
+ var CxDx_3GPP_Reason_Code reason_code_permanent_termination := PERMANENT_TERMINATION;
/* Unlike STR, STA contains no IMSI. Register ete_id in DIAMETER_Emulation,
* so AIA is forwarded back to us in DIAMETER port instead of MTC_CT.DIAMETER_UNIT.
@@ -488,6 +489,14 @@
hbh_id := hbh_id,
ete_id := ete_id));
+ if (match(reason_code_permanent_termination, reason_code)) {
+ /* Expect Abort-Session procedure (ASR + ASA) in the S6b interface: */
+ as_DIA_S6b_AS_success();
+ /* Here AAA-Server starts an ASR + ASA procedure towards ePDG, which forwards it to strongswan: */
+ as_GSUP_rx_CL_REQ(OSMO_GSUP_CANCEL_TYPE_WITHDRAW);
+ f_GSUP_tx_CL_RES();
+ }
+
alt {
[] SWx.receive(tr_DIA_SWx_RTA(exp_result_tmpl, hbh_id := hbh_id, ete_id := ete_id)) -> value rx_dia {}
[] SWx.receive(PDU_DIAMETER:?) -> value rx_dia {
@@ -549,6 +558,25 @@
}
}
+/* Diameter S6b ASR + ASA, TS 29.273 9.1.2.3.4. */
+private altstep as_DIA_S6b_AS_success() runs on EPDG_ConnHdlr {
+ var PDU_DIAMETER rx_dia;
+ var template (omit) AVP avp;
+ var octetstring sess_id;
+ [] S6b.receive(tr_DIA_S6b_ASR(f_nai())) -> value rx_dia {
+ avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_BASE_NONE_Session_Id);
+ sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id);
+ SWx.send(ts_DIA_S6b_ASA(DIAMETER_SUCCESS,
+ sess_id := sess_id,
+ hbh_id := rx_dia.hop_by_hop_id,
+ ete_id := rx_dia.end_to_end_id));
+ setverdict(pass);
+ }
+ [] S6b.receive(PDU_DIAMETER:?) -> value rx_dia {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected Diameter msg rx: ", rx_dia));
+ }
+}
+
private function f_exp_tr_GTP2C_APCO_in_CreateSessionReq()
runs on EPDG_ConnHdlr return template (present) APCO {
var template ProtocolIDs_and_ContainerIDs protos, protosV4, protosV6, protosV46;
@@ -796,6 +824,10 @@
}
}
+/************
+ * GSUP CEAI
+ ************/
+
private function f_GSUP_tx_SAI_REQ(boolean req_resync := false) runs on EPDG_ConnHdlr {
var GSUP_PDU rx_gsup;
var template (value) GSUP_IEs pdp_info;
@@ -811,7 +843,6 @@
}
}
-
private altstep as_GSUP_rx_SAI_RES() runs on EPDG_ConnHdlr {
var GSUP_PDU rx_gsup;
var template (present) GSUP_IE auth_tuple_ie := tr_GSUP_IE_AuthTuple3G(
@@ -838,6 +869,20 @@
}
}
+private altstep as_GSUP_rx_CL_REQ(template GSUP_CancelType ctype := omit) runs on EPDG_ConnHdlr {
+ var GSUP_PDU rx_gsup;
+
+ [] GSUP.receive(tr_GSUP_CL_REQ(g_pars.imsi, dom := *, ctype := ctype)) -> value rx_gsup {
+ }
+ [] GSUP.receive(GSUP_PDU:?) -> value rx_gsup {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected GSUP msg rx: ", rx_gsup));
+ }
+}
+
+private function f_GSUP_tx_CL_RES() runs on EPDG_ConnHdlr {
+ GSUP.send(ts_GSUP_CL_RES(g_pars.imsi));
+}
+
/* GSUP AuthInfo Req + Resp, triggers SWx MAR + MAA. */
private function f_GSUP_AI_success(boolean req_resync := false) runs on EPDG_ConnHdlr {
f_GSUP_tx_SAI_REQ(req_resync);
@@ -1070,6 +1115,23 @@
setverdict(pass);
}
+private function f_TC_hss_initiated_deregister_permanent_termination(charstring id) runs on EPDG_ConnHdlr {
+ f_initial_attach();
+ /* Procedure should be performed properly: */
+ f_DIA_SWx_RT(PERMANENT_TERMINATION, tr_AVP_ResultCode(DIAMETER_SUCCESS));
+ /* Subscriber was already removed, it should fail if requested again: */
+ var DIAMETER_ts29_229_ExperimentalResultcode erc := DIAMETER_ERROR_USER_UNKNOWN;
+ f_DIA_SWx_RT(PERMANENT_TERMINATION, tr_AVP_ExperimentalResult(vendor_id_3GPP, int2oct(enum2int(erc), 4)));
+}
+testcase TC_hss_initiated_deregister_permanent_termination() runs on MTC_CT {
+ var EPDG_ConnHdlrPars pars := f_init_pars();
+ var EPDG_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_TC_hss_initiated_deregister_permanent_termination), pars);
+ vc_conn.done;
+ setverdict(pass);
+}
+
private function f_TC_concurrent_ues(charstring id) runs on EPDG_ConnHdlr {
COORD.send(COORD_CMD_READY);
COORD.receive(COORD_CMD_START);
@@ -1167,6 +1229,7 @@
execute ( TC_ho_wifi_to_lte() );
execute ( TC_s2b_CreateSession_rejected() );
execute ( TC_hss_initiated_deregister_new_server_assigned() );
+ execute ( TC_hss_initiated_deregister_permanent_termination() );
execute ( TC_concurrent_ues2() );
execute ( TC_concurrent_ues100() );
execute ( TC_upf_echo_req() );