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osmo-ttcn3-hacks
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msc: Add a test for LU with invalid MCC/MNC in BSSAP/RANAP 

Verify that the MSC rejects a location update from a Cell/BSC that
contains a PLMN which does not match the core network's PLMN.

Related: OS#3162
Change-Id: I676894358259b9cc0f973769ce552ba58a2a58a1
This commit is contained in:
Harald Welte 2019-05-10 11:30:43 +02:00
parent a183a5ddc2
commit b2284bd2d9
2 changed files with 43 additions and 0 deletions
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35
msc/MSC_Tests.ttcn
View File

@ -3614,6 +3614,40 @@ testcase TC_cipher_complete_with_invalid_cipher() runs on MTC_CT {
vc_conn.done;
}
/* Location Update with invalid (non-matching) MCC/MNC reported on BSSMAP level from BSC */
friend function f_tc_lu_with_invalid_mcc_mnc(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
f_init_handler(pars);
/* tell GSUP dispatcher to send this IMSI to us */
f_create_gsup_expect(hex2str(g_pars.imsi));
/* modify the cell ID which will be used to construct the COMPLELTE L3 or InitialUE */
g_pars.cell_id := valueof(ts_CellId_CGI('333'H, '22'H, 23, 42));
/* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */
var PDU_ML3_MS_NW l3_lu := f_build_lu_imsi(g_pars.imsi)
f_cl3_or_initial_ue(l3_lu);
/* Expect LU reject from MSC. */
alt {
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej)) {
setverdict(pass);
}
[] BSSAP.receive {
setverdict(fail, "Unknown/unexpected BSSAP received");
mtc.stop;
}
}
f_expect_clear();
}
testcase TC_lu_with_invalid_mcc_mnc() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_tc_lu_with_invalid_mcc_mnc), 54);
vc_conn.done;
}
/* TODO (SMS):
* different user data lengths
* SMPP transaction mode with unsuccessful delivery
@ -5282,6 +5316,7 @@ control {
execute( TC_lu_and_ss_session_timeout() );
execute( TC_cipher_complete_with_invalid_cipher() );
execute( TC_lu_with_invalid_mcc_mnc() );
execute( TC_sgsap_reset() );
execute( TC_sgsap_lu() );

8
msc/MSC_Tests_Iu.ttcn
View File

@ -387,6 +387,13 @@ testcase TC_iu_lu_and_ss_session_timeout() runs on MTC_CT {
f_vty_config(MSCVTY, "msc", "ncss guard-timeout 0");
}
testcase TC_iu_lu_with_invalid_mcc_mnc() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init(3);
vc_conn := f_start_handler(refers(f_tc_lu_with_invalid_mcc_mnc), 1054, ran_idx := 2, ran_is_geran := false);
vc_conn.done;
}
control {
execute( TC_iu_lu_imsi_reject() );
execute( TC_iu_lu_imsi_timeout_gsup() );
@ -430,6 +437,7 @@ control {
execute( TC_iu_lu_and_mt_ussd_during_mt_call() );
execute( TC_iu_lu_and_mo_ussd_mo_release() );
execute( TC_iu_lu_and_ss_session_timeout() );
execute( TC_iu_lu_with_invalid_mcc_mnc() );
/* TODO: Iu + SGsAP related tests, e.g. paging on IuCS */