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
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index e1e5088..9524afb 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -3614,6 +3614,40 @@
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 @@
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() );