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osmo-ttcn3-hacks
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sgsn: add TC_attach_no_imei_response 

Ignores Identity Request IMEI.

MS -> SGSN: Attach Request IMSI
MS <- SGSN: Identity Request IMSI (optional)
MS -> SGSN: Identity Response IMSI (optional)
MS <- SGSN: Identity Request IMEI
MS -x SGSN: no response
MS <- SGSN: re-send: Identity Request IMEI 4x
MS <- SGSN: Attach Reject

Change-Id: Ie50c75e62e31e01c5b17969fb067664e44fd68a5
This commit is contained in:
Alexander Couzens 2018-06-12 16:24:01 +02:00
parent 234c588b72
commit 667dd7fa84
1 changed files with 45 additions and 0 deletions
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45
sgsn/SGSN_Tests.ttcn
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@ -1367,6 +1367,50 @@ testcase TC_hlr_location_cancel_request_unknown_subscriber_update() runs on test
/* Attempt an attach, but loose the Identification Request (IMEI) */
private function f_TC_attach_no_imei_response(charstring id) runs on BSSGP_ConnHdlr {
var integer count_req := 0;
var MobileL3_CommonIE_Types.MobileIdentityLV mi;
BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), f_random_RAI(), true, false, omit, omit));
alt {
[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) {
/* break */
}
[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('001'B))) {
mi := valueof(ts_MI_IMSI_LV(g_pars.imsi));
BSSGP.send(ts_GMM_ID_RESP(mi));
repeat;
}
[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('010'B))) {
/* ignore ID REQ IMEI */
count_req := count_req + 1;
repeat;
}
}
if (count_req != 5) {
setverdict(fail, "Did not received GMM ID Request Type IMEI 5 times!");
}
setverdict(pass);
}
testcase TC_attach_no_imei_response() runs on test_CT {
/* MS -> SGSN: Attach Request IMSI
* MS <- SGSN: Identity Request IMSI (optional)
* MS -> SGSN: Identity Response IMSI (optional)
* MS <- SGSN: Identity Request IMEI
* MS -x SGSN: no response
* MS <- SGSN: re-send: Identity Request IMEI 4x
* MS <- SGSN: Attach Reject
*/
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
vc_conn := f_start_handler(refers(f_TC_attach_no_imei_response), testcasename(), g_gb[0], 32, 60.0);
vc_conn.done;
}
control {
execute( TC_attach() );
execute( TC_attach_mnc3() );
@ -1380,6 +1424,7 @@ control {
execute( TC_attach_combined() );
execute( TC_attach_accept_all() );
execute( TC_attach_closed() );
execute( TC_attach_no_imei_response() );
execute( TC_hlr_location_cancel_request_update(), 10.0 );
execute( TC_hlr_location_cancel_request_withdraw(), 10.0 );
execute( TC_hlr_location_cancel_request_unknown_subscriber_withdraw(), 10.0 );