epdg: Introduce test TC_authinfo_fail_resync
Related: OS#6396
Change-Id: I2769d331740324200b4512a154e1321bd5825b04
diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index 164f14b..d8112e8 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -422,9 +422,24 @@
}
/* Diameter SWx MAR + MAA. */
-private altstep as_DIA_SWx_MA_success() runs on EPDG_ConnHdlr {
+private altstep as_DIA_SWx_MA_success(boolean exp_req_resync := false) runs on EPDG_ConnHdlr {
var PDU_DIAMETER rx_dia;
[] SWx.receive(tr_DIA_SWx_MAR(g_pars.imsi)) -> value rx_dia {
+ if (exp_req_resync) {
+ var octetstring rand_autn_concatenated := g_pars.vec.rand & g_pars.vec.auts;
+ var AVP avp_grp;
+ var GenericAVP sip_auth_avp;
+
+ avp_grp := f_DIAMETER_get_avp_or_fail(rx_dia, c_AVP_Code_CxDx_3GPP_SIP_Auth_Data_Item);
+ sip_auth_avp.avp := f_AVP_Grouped_get_avp_or_fail(avp_grp.avp_data.avp_CxDx_3GPP_SIP_Auth_Data_Item,
+ c_AVP_Code_CxDx_3GPP_SIP_Authorization);
+
+ if (not match(sip_auth_avp, tr_AVP_3GPP_SIPAuthorization(rand_autn_concatenated))) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ log2str("Unexpected Diameter AVP SIP-Authorization: ", sip_auth_avp,
+ " vs exp ", tr_AVP_3GPP_SIPAuthorization(rand_autn_concatenated)));
+ }
+ }
f_DIA_SWx_tx_MAA_success(rx_dia);
setverdict(pass);
}
@@ -754,13 +769,19 @@
}
}
-private function f_GSUP_tx_SAI_REQ() runs on EPDG_ConnHdlr {
+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;
pdp_info := { ts_GSUP_IE_PDP_CONTEXT_ID('00'O),
ts_GSUP_IE_PDP_ADDRESS(ts_EuaIPv4Dyn),
ts_GSUP_IE_APN(f_enc_dns_hostname(g_pars.apn)) };
- GSUP.send(ts_GSUP_SAI_REQ_PDP_INFO(g_pars.imsi, pdp_info));
+ if (req_resync) {
+ GSUP.send(ts_GSUP_SAI_REQ_PDP_INFO_UMTS_AKA_RESYNC(
+ g_pars.imsi, pdp_info,
+ g_pars.vec.auts, g_pars.vec.rand));
+ } else {
+ GSUP.send(ts_GSUP_SAI_REQ_PDP_INFO(g_pars.imsi, pdp_info));
+ }
}
@@ -791,9 +812,9 @@
}
/* GSUP AuthInfo Req + Resp, triggers SWx MAR + MAA. */
-private function f_GSUP_AI_success() runs on EPDG_ConnHdlr {
- f_GSUP_tx_SAI_REQ();
- as_DIA_SWx_MA_success();
+private function f_GSUP_AI_success(boolean req_resync := false) runs on EPDG_ConnHdlr {
+ f_GSUP_tx_SAI_REQ(req_resync);
+ as_DIA_SWx_MA_success(req_resync);
as_GSUP_rx_SAI_RES();
setverdict(pass);
}
@@ -942,6 +963,23 @@
setverdict(pass);
}
+/* Emulate UE doing MAR+MAA, then UE requesting again due to resync needed */
+private function f_TC_authinfo_fail_resync(charstring id) runs on EPDG_ConnHdlr {
+ f_GSUP_AI_success(false);
+ f_GSUP_AI_success(true);
+ f_GSUP_LU_success();
+ f_GSUP_EPDGTunnel_success();
+ f_GSUP_PurgeMS_success();
+}
+testcase TC_authinfo_fail_resync() 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_authinfo_fail_resync), pars);
+ vc_conn.done;
+ setverdict(pass);
+}
+
private function f_TC_ho_lte_to_wifi(charstring id) runs on EPDG_ConnHdlr {
f_initial_attach();
/* Whenever UE comes from 3GPP, PGW may activate a dedicated S2b bearer
@@ -1079,6 +1117,7 @@
execute ( TC_authinfo_normal() );
execute ( TC_authinfo_MAA_unknown_user() );
execute ( TC_authinfo_twice() );
+ execute ( TC_authinfo_fail_resync() );
execute ( TC_ho_lte_to_wifi() );
execute ( TC_ho_wifi_to_lte() );
execute ( TC_s2b_CreateSession_rejected() );
diff --git a/library/GSUP_Templates.ttcn b/library/GSUP_Templates.ttcn
index dcf086d..403af74 100644
--- a/library/GSUP_Templates.ttcn
+++ b/library/GSUP_Templates.ttcn
@@ -356,6 +356,18 @@
valueof(ts_GSUP_IE_PdpInfo_ie(pdp_info))
});
+template GSUP_PDU ts_GSUP_SAI_REQ_PDP_INFO_UMTS_AKA_RESYNC(
+ template (value) hexstring imsi,
+ template (value) GSUP_IEs pdp_info,
+ template (value) octetstring auts,
+ template (value) octetstring rand) :=
+ ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, {
+ valueof(ts_GSUP_IE_IMSI(imsi)),
+ valueof(ts_GSUP_IE_PdpInfo_ie(pdp_info)),
+ valueof(ts_GSUP_IE_AUTS(auts)),
+ valueof(ts_GSUP_IE_RAND(rand))
+ });
+
template GSUP_PDU tr_GSUP_SAI_REQ(template hexstring imsi) :=
tr_GSUP_IMSI(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, imsi);
@@ -644,7 +656,7 @@
}
}
-template (value) GSUP_IE ts_GSUP_IE_AUTS(octetstring auts) := {
+template (value) GSUP_IE ts_GSUP_IE_AUTS(template (value) octetstring auts) := {
tag := OSMO_GSUP_AUTS_IE,
len := 0, /* overwritten */
val := {
@@ -660,7 +672,7 @@
}
}
-template (value) GSUP_IE ts_GSUP_IE_RAND(octetstring rand) := {
+template (value) GSUP_IE ts_GSUP_IE_RAND(template (value) octetstring rand) := {
tag := OSMO_GSUP_RAND_IE,
len := 0, /* overwritten */
val := {