Change in osmo-ttcn3-hacks[master]: add a test for LU with invalid LAI

[Stefan Sperling]

Stefan Sperling has uploaded this change for review. ( https://gerrit.osmocom.org/12380


Change subject: add a test for LU with invalid LAI
......................................................................

add a test for LU with invalid LAI

Verify that the MSC rejects a location update with a LAI that
contains a PLMN which does not match the network's PLMN.

Change-Id: I676894358259b9cc0f973769ce552ba58a2a58a1
Related: OS#3162
---
M msc/MSC_Tests.cfg
M msc/MSC_Tests.ttcn
M msc/expected-results.xml
3 files changed, 36 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/80/12380/1

diff --git a/msc/MSC_Tests.cfg b/msc/MSC_Tests.cfg
index b412889..efe4666 100644
--- a/msc/MSC_Tests.cfg
+++ b/msc/MSC_Tests.cfg
@@ -61,3 +61,4 @@
 #MSC_Tests.TC_reset_two
 #MSC_Tests.TC_lu_and_mt_call
 #MSC_Tests.TC_cipher_complete_with_invalid_cipher
+#MSC_Tests.TC_lu_with_invalid_lai
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 1b37329..bf83427 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -2826,6 +2826,38 @@
 	vc_conn.done;
 }
 
+/* Location Update with PLMN mismatch in the LAI. */
+private function f_tc_lu_with_invalid_lai(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));
+
+	/* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */
+	var PDU_ML3_MS_NW l3_lu := f_build_lu_imsi(g_pars.imsi)
+	/* Override the location update's LAI with a different PLMN; osmo-msc.cfg uses mcc 262 mnc 42 */
+	l3_lu.msgs.mm.locationUpdateRequest.locationAreaIdentification.mcc_mnc := f_enc_mcc_mnc('262'H, '23'H);
+	f_bssap_compl_l3(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;
+		}
+	}
+}
+
+testcase TC_lu_with_invalid_lai() runs on MTC_CT {
+	var BSC_ConnHdlr vc_conn;
+	f_init();
+	vc_conn := f_start_handler(refers(f_tc_lu_with_invalid_lai), 53);
+	vc_conn.done;
+}
+
 /* TODO (SMS):
    * different user data lengths
    * SMPP transaction mode with unsuccessful delivery
@@ -2916,6 +2948,8 @@
 
 	execute( TC_cipher_complete_with_invalid_cipher() );
 
+	execute( TC_lu_with_invalid_lai() );
+
 	/* Run this last: at the time of writing this test crashes the MSC */
 	execute( TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug() );
 	execute( TC_mo_cc_bssmap_clear() );
diff --git a/msc/expected-results.xml b/msc/expected-results.xml
index 83c8010..8eebd57 100644
--- a/msc/expected-results.xml
+++ b/msc/expected-results.xml
@@ -70,6 +70,7 @@
   <testcase classname='MSC_Tests' name='TC_lu_and_mo_ussd_mo_release' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_ss_session_timeout' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_cipher_complete_with_invalid_cipher' time='MASKED'/>
+  <testcase classname='MSC_Tests' name='TC_lu_with_invalid_lai' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_mo_cc_bssmap_clear' time='MASKED'/>
 </testsuite>

-- 
To view, visit https://gerrit.osmocom.org/12380
To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings

Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I676894358259b9cc0f973769ce552ba58a2a58a1
Gerrit-Change-Number: 12380
Gerrit-PatchSet: 1
Gerrit-Owner: Stefan Sperling <stsp at stsp.name>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20181219/31f132c8/attachment.htm>