pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/30840 ) Change subject: bsc: Introduce test TC_paging_imsi_nochan_ci_resp_invalid_mi ...................................................................... bsc: Introduce test TC_paging_imsi_nochan_ci_resp_invalid_mi Related: SYS#6280 Change-Id: Id0d069f00bc77be33ca61ce469bea8079ae9bd16 --- M bsc/BSC_Tests.ttcn 1 file changed, 46 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/40/30840/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index 0cc9552..ea73f4a 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -3514,6 +3514,51 @@ f_shutdown_helper(); } +/* Send paging response containing invalid (wrongly formatted) MobileIdentity IE. */ +testcase TC_paging_imsi_nochan_ci_resp_invalid_mi() runs on test_CT { + var template BSSMAP_FIELD_CellIdentificationList cid_list; + var BSSAP_N_CONNECT_ind rx_c_ind; + var DchanTuple dt; + var octetstring rr_pag_resp := '06270003535992617965720000'O; + /* { 06 27 } is { GSM48_PDISC_RR, GSM48_MT_RR_PAG_RESP } + * see 3GPP TS 44.018, table 9.1.25.1 + * { 00 } or { 01 } is CKSN + Spare Half Octet, not important + * { 03 53 59 92 } is Mobile Station Classmark + * { 61 79 65 72 00 00 } is the invalid Mobile Identity IE (3GPP TS 24.008, 10.5.1.4), + * Length is 0x61 (97 in decimal). + */ + + cid_list := { cIl_CI := { ts_BSSMAP_CI_CI(cid.ci) } }; + f_pageing_helper('001010000000008'H, cid_list, { 0 }); + + /* Send CHAN RQD and wait for allocation; acknowledge it */ + dt.rsl_chan_nr := f_chreq_act_ack(); + dt.idx := {0, 0}; + + /* Send unsolicited Paging response (no matching Paging CMD stored in BSC) */ + f_ipa_tx(ts_RSL_EST_IND(dt.rsl_chan_nr, valueof(ts_RslLinkID_DCCH(0)), rr_pag_resp)); + + /* Expevct a CR with a matching Paging response on the A-Interface */ + timer T := 5.0; + T.start; + alt { + [] BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3(rr_pag_resp))) -> value rx_c_ind { + setverdict(pass); + dt.sccp_conn_id := rx_c_ind.connectionId; + BSSAP.send(ts_BSSAP_CONNECT_res(dt.sccp_conn_id)); + } + [] BSSAP.receive { + setverdict(fail, "Received unexpected message on A-Interface!"); + } + [] T.timeout { + setverdict(fail, "Received nothing on A-Interface!"); + } + } + + f_perform_clear_test_ct(dt); + f_shutdown_helper(); +} + /* Verify paging retransmission interval + count */ /* Verify paging stops after channel establishment */ /* Test behavior under paging overload */ @@ -12237,6 +12282,7 @@ execute( TC_paging_resp_unsol() ); execute( TC_paging_500req() ); execute( TC_paging_450req_no_paging_load_ind() ); + execute( TC_paging_imsi_nochan_ci_resp_invalid_mi() ); execute( TC_rsl_drop_counter() ); execute( TC_rsl_unknown_unit_id() ); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/30840 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Id0d069f00bc77be33ca61ce469bea8079ae9bd16 Gerrit-Change-Number: 30840 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: newchange