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epdg: Introduce test TC_hss_initiated_update_user_profile(_unknown) 

This test so far only validates the SWx interface during the procedure.
It can be extended at a later time when implementing propagation of the
procedure to other interfaces in osmo-epdg.

Related: OS#6042
Change-Id: Ic7c19a3fe7b2b1411414fb6b78ab9a665a1aa42b
This commit is contained in:
Pau Espin 2024-03-14 18:25:32 +01:00
parent 660cfe5169
commit 438ba34126
3 changed files with 133 additions and 0 deletions
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63
epdg/EPDG_Tests.ttcn
View File

@ -471,6 +471,32 @@ private altstep as_DIA_SWx_SA_success(template (present) CxDx_3GPP_Server_Assign
}
}
/* Send PPR as HSS to AAA server, expect back PPA */
private function f_DIA_SWx_PP(template (present) GenericAVP exp_result_tmpl := tr_AVP_ResultCode(DIAMETER_SUCCESS)) runs on EPDG_ConnHdlr {
var PDU_DIAMETER rx_dia;
var UINT32 hbh_id := f_rnd_octstring(4);
var UINT32 ete_id := f_rnd_octstring(4);
var octetstring reason_info := char2oct("test");
/* Unlike PPR, PPA contains no IMSI. Register ete_id in DIAMETER_Emulation,
* so PPA is forwarded back to us in DIAMETER port instead of MTC_CT.DIAMETER_UNIT.
*/
f_epdg_connhldr_SWx_expect_eteid(ete_id);
SWx.send(ts_DIA_SWx_PPR(g_pars.imsi,
IPv4,
g_pars.apn,
hbh_id := hbh_id,
ete_id := ete_id));
alt {
[] SWx.receive(tr_DIA_SWx_PPA(exp_result_tmpl, hbh_id := hbh_id, ete_id := ete_id)) -> value rx_dia {}
[] SWx.receive(PDU_DIAMETER:?) -> value rx_dia {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected Diameter SWx msg rx: ", rx_dia));
}
}
}
/* Send RTR as HSS to AAA server, expect back RTA */
private function f_DIA_SWx_RT(template (value) CxDx_3GPP_Reason_Code reason_code,
template (present) GenericAVP exp_result_tmpl := tr_AVP_ResultCode(DIAMETER_SUCCESS),
@ -1138,6 +1164,41 @@ testcase TC_hss_initiated_deregister_permanent_termination() runs on MTC_CT {
setverdict(pass);
}
/*
* 3GPP TS 29.273 8.1.2.3 HSS Initiated Update of User Profile
* 3GPP TS 29.273 8.2.2.2 HSS Initiated Update of User Profile Procedure
*/
private function f_TC_hss_initiated_update_user_profile(charstring id) runs on EPDG_ConnHdlr {
f_initial_attach();
/* Procedure should be performed properly: */
f_DIA_SWx_PP(tr_AVP_ResultCode(DIAMETER_SUCCESS));
}
testcase TC_hss_initiated_update_user_profile() 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_update_user_profile), pars);
vc_conn.done;
setverdict(pass);
}
/*
* Same as TC_hss_initiated_update_user_profile_unknown, but without registering
* subscriber first, so expect DIAMETER_ERROR_USER_UNKNOWN in answer.
*/
private function f_TC_hss_initiated_update_user_profile_unknown(charstring id) runs on EPDG_ConnHdlr {
var DIAMETER_ts29_229_ExperimentalResultcode erc := DIAMETER_ERROR_USER_UNKNOWN;
f_DIA_SWx_PP(tr_AVP_ExperimentalResult(vendor_id_3GPP, int2oct(enum2int(erc), 4)));
}
testcase TC_hss_initiated_update_user_profile_unknown() 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_update_user_profile_unknown), 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);
@ -1236,6 +1297,8 @@ control {
execute ( TC_s2b_CreateSession_rejected() );
execute ( TC_hss_initiated_deregister_new_server_assigned() );
execute ( TC_hss_initiated_deregister_permanent_termination() );
execute ( TC_hss_initiated_update_user_profile() );
execute ( TC_hss_initiated_update_user_profile_unknown() );
execute ( TC_concurrent_ues2() );
execute ( TC_concurrent_ues100() );
execute ( TC_upf_echo_req() );

2
epdg/expected-results.xml
View File

@ -9,6 +9,8 @@
<testcase classname='EPDG_Tests' name='TC_s2b_CreateSession_rejected' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_hss_initiated_deregister_new_server_assigned' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_hss_initiated_deregister_permanent_termination' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_hss_initiated_update_user_profile' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_hss_initiated_update_user_profile_unknown' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_concurrent_ues2' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_concurrent_ues100' time='MASKED'/>
<testcase classname='EPDG_Tests' name='TC_upf_echo_req' time='MASKED'/>

68
library/DIAMETER_ts29_273_Templates.ttcn
View File

@ -205,6 +205,74 @@ ts_DIA_SWx_MAA_result(template (value) hexstring imsi,
ts_AVP_UserNameImsi(valueof(imsi))
});
/* Push-Profile-Request,
* 3GPP TS 29.273 8.1.2.3 HSS Initiated Update of User Profile
* 3GPP TS 29.273 8.2.2.2 HSS Initiated Update of User Profile Procedure
*/
template (value) PDU_DIAMETER
ts_DIA_SWx_PPR(template (value) hexstring imsi,
template (value) AAA_3GPP_PDN_Type pdn_type,
template (value) charstring apn,
template (value) uint32_t vendor_app_id := c_DIAMETER_3GPP_SWx_AID,
template (value) octetstring sess_id := c_def_sess_id,
template (value) charstring orig_host := "hss.localdomain",
template (value) charstring orig_realm := "localdomain",
template (value) charstring dest_host := "aaa.localdomain",
template (value) charstring dest_realm := "localdomain",
template (value) UINT32 hbh_id := '00000000'O,
template (value) UINT32 ete_id := '00000000'O) :=
ts_DIAMETER(flags := '11000000'B,
cmd_code := Push_Profile,
app_id := int2oct(c_DIAMETER_3GPP_SWx_AID, 4),
hbh_id := hbh_id,
ete_id := ete_id,
avps := {
ts_AVP_SessionId(sess_id),
ts_AVP_VendorSpecAppId(vendor_id_3GPP, valueof(vendor_app_id)),
ts_AVP_AuthSessionState(NO_STATE_MAINTAINED),
ts_AVP_OriginHost(orig_host),
ts_AVP_OriginRealm(orig_realm),
ts_AVP_DestinationHost(dest_host),
ts_AVP_DestinationRealm(dest_realm),
ts_AVP_UserNameImsi(imsi),
ts_AVP_3GPP_Non_3GPP_User_Data(pdn_type, apn)
/* Optional: PPR-Flags */
/* TODO:
* *[ Supported-Features ]
*/
});
/* Push-Profile-Answer,
* 3GPP TS 29.273 8.1.2.3 HSS Initiated Update of User Profile
* 3GPP TS 29.273 8.2.2.2 HSS Initiated Update of User Profile Procedure
*/
template (present) PDU_DIAMETER
tr_DIA_SWx_PPA(template (present) GenericAVP tmpl_result := ?,
template (present) octetstring sess_id := ?,
template (present) charstring orig_host := ?,
template (present) charstring orig_realm := ?,
template (present) charstring dest_host := ?,
template (present) charstring dest_realm := ?,
template (present) UINT32 hbh_id := ?,
template (present) UINT32 ete_id := ?) :=
tr_DIAMETER(flags := '0???????'B,
cmd_code := Push_Profile,
app_id := int2oct(c_DIAMETER_3GPP_SWx_AID, 4),
hbh_id := hbh_id, ete_id := ete_id,
avps := superset(
tr_AVP_SessionId(sess_id),
tr_AVP_VendorSpecAppId(?, ?),
tmpl_result,
tr_AVP_AuthSessionState(NO_STATE_MAINTAINED),
tr_AVP_OriginHost(orig_host),
tr_AVP_OriginRealm(orig_realm)
/* Optional:
* [ Access-Network-Info ]
* [ Local-Time-Zone ]
* *[ Supported-Features ]
*/
));
/* Server-Assignment-Request,
* 3GPP TS 29.273 8.1.2.2.2 UE/PDN Registration/DeRegistration Notification
* 3GPP TS 29.273 8.2.2.3 Non-3GPP IP Access Registration Procedure */