From 667dd7fa848fae6e2d1bf704768c60ddd6e764a1 Mon Sep 17 00:00:00 2001 From: Alexander Couzens Date: Tue, 12 Jun 2018 16:24:01 +0200 Subject: 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 --- sgsn/SGSN_Tests.ttcn | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'sgsn') diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn index 46b7b748..c1d4cdfa 100644 --- a/sgsn/SGSN_Tests.ttcn +++ b/sgsn/SGSN_Tests.ttcn @@ -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 ); -- cgit v1.2.3