ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

msc: add TC_lu_tmsi_noauth_notmsi 

Add test case for handling a LU by TMSI MI when 'no assign-tmsi' is
configured.

This test will pass from osmo-msc patch
I583682d1a35a70b008d7bb2d89ba7c3109a60b21 on

Depends: osmo-msc I583682d1a35a70b008d7bb2d89ba7c3109a60b21
Related: SYS#6860 OS#4721
Change-Id: If10b9987395670b084ff8ad6d1f033ff46896d75
This commit is contained in:
Neels Hofmeyr 2024-03-25 04:21:48 +01:00 committed by fixeria
parent 392de2d5c5
commit a8a2c5e5f6
2 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
msc/MSC_Tests.ttcn
View File

@ -7289,10 +7289,52 @@ testcase TC_lu_and_mt_csd() runs on MTC_CT {
vc_conn.done;
}
/* MSC <-> BSC: ID req/rsp for IMSI */
private altstep as_id_req_imsi()
runs on BSC_ConnHdlr {
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_ID_Req(CM_ID_TYPE_IMSI))) {
var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi));
BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_MM_ID_Rsp(mi)));
repeat;
}
}
/* MSC is configured to not assign a TMSI; MS sends LU Request with a TMSI MI (from another cell), and MSC shall not use
* that TMSI. */
private function f_tc_lu_tmsi_noauth_notmsi(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
f_init_handler(pars, t_guard := 20.0);
/* Perform Location Updating using an unknown TMSI MI. Expect an ID Request to come from the MSC and answer
* that with as_id_req_imsi(). */
activate(as_id_req_imsi());
f_perform_lu(use_mi := ts_MI_TMSI_LV(pars.tmsi));
f_sleep(1.0);
/* Attached by invalid TMSI, and the MSC has asked for the IMSI. Initiate Paging and make sure the MSC doesn't
* use the invalid TMSI for it. */
f_ran_register_imsi(g_pars.imsi, omit);
f_vty_transceive(MSCVTY, "subscriber imsi " & hex2str(g_pars.imsi) & " paging");
f_expect_paging_tmsi(omit);
}
testcase TC_lu_tmsi_noauth_notmsi() runs on MTC_CT {
var BSC_ConnHdlrPars pars;
var BSC_ConnHdlr vc_conn;
f_init();
f_vty_config(MSCVTY, "msc", "no assign-tmsi");
pars := f_init_pars(101);
pars.net.expect_tmsi := false;
pars.tmsi := '0badbad0'O;
pars.mm_info := false;
vc_conn := f_start_handler_with_pars(refers(f_tc_lu_tmsi_noauth_notmsi), pars);
vc_conn.done;
}
control {
execute( TC_cr_before_reset() );
execute( TC_lu_imsi_noauth_tmsi() );
execute( TC_lu_imsi_noauth_notmsi() );
execute( TC_lu_tmsi_noauth_notmsi() );
execute( TC_lu_imsi_reject() );
execute( TC_lu_imsi_timeout_gsup() );
execute( TC_lu_imsi_auth_tmsi() );

1
msc/expected-results.xml
View File

@ -3,6 +3,7 @@
<testcase classname='MSC_Tests' name='TC_cr_before_reset' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_noauth_tmsi' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_noauth_notmsi' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_tmsi_noauth_notmsi' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_reject' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_timeout_gsup' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_auth_tmsi' time='MASKED'/>