pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/30841 )

Change subject: bsc: Introduce test TC_assignment_emerg_setup_allow_imei ......................................................................

bsc: Introduce test TC_assignment_emerg_setup_allow_imei

Related: OS#5849 Change-Id: I5a95cb0cd6903801db8cfcc1542bd6147461eebe --- M bsc/BSC_Tests.ttcn M bsc/MSC_ConnectionHandler.ttcn M library/Osmocom_Types.ttcn 3 files changed, 44 insertions(+), 5 deletions(-)

Approvals: Jenkins Builder: Verified fixeria: Looks good to me, but someone else must approve laforge: Looks good to me, approved

diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index ea73f4a..c3743df 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -759,6 +759,7 @@ pars.mscpool.bssap_idx := bssap_idx; pars.expect_tsc := c_BtsParams[0].tsc; pars.imsi := f_rnd_imsi('00101'H); + pars.imei := f_rnd_imei('00101'H);

log(testcasename(), ": using IMSI ", pars.imsi);

@@ -9223,6 +9224,26 @@ f_shutdown_helper(); }

+/* Test MO emergency call using MobileIdentity=IMEI (possible for emergency + * calls from phones without SIM card). + * 3GPP TS 24.008 section 10.5.1.4, OS#5849 */ +testcase TC_assignment_emerg_setup_allow_imei() runs on test_CT { + var TestHdlrParams pars := f_gen_test_hdlr_pars(); + var MSC_ConnHdlr vc_conn; + + /* Remove IMSI set by f_gen_test_hdlr_pars(), then IMEI will be used to place the call */ + pars.imsi := omit; + + f_init(1, true); + f_sleep(1.0); + + f_vty_allow_emerg_msc(true); + f_vty_allow_emerg_bts(true, 0); + vc_conn := f_start_handler(refers(f_TC_assignment_emerg_setup_allow), pars); + vc_conn.done; + f_shutdown_helper(); +} + /* EMERGENCY CALL situation #2, forbidden globally but allowed by BTS */ testcase TC_assignment_emerg_setup_deny_msc() runs on test_CT { var TestHdlrParams pars := f_gen_test_hdlr_pars(); @@ -12387,6 +12408,7 @@

/* Emergency call handling (deny / allow) */ execute( TC_assignment_emerg_setup_allow() ); + execute( TC_assignment_emerg_setup_allow_imei() ); execute( TC_assignment_emerg_setup_deny_msc() ); execute( TC_assignment_emerg_setup_deny_bts() ); execute( TC_emerg_premption() ); diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn index dd044e0..13fe723 100644 --- a/bsc/MSC_ConnectionHandler.ttcn +++ b/bsc/MSC_ConnectionHandler.ttcn @@ -730,7 +730,8 @@ type record TestHdlrParams { OCT1 ra, GsmFrameNumber fn, - hexstring imsi, + hexstring imsi optional, + hexstring imei optional, RslLinkId link_id, integer media_nr, /* determins MGCP EP, port numbers */ BSSMAP_IE_SpeechCodecList ass_codec_list optional, @@ -764,7 +765,8 @@ template (value) TestHdlrParams t_def_TestHdlrPars := { ra := '23'O, fn := 23, - imsi := '001019876543210'H, + imsi := omit, /* set to random in f_gen_test_hdlr_pars() */ + imei := omit, /* set to random in f_gen_test_hdlr_pars() */ link_id := valueof(ts_RslLinkID_DCCH(0)), media_nr := 1, ass_codec_list := omit, @@ -804,12 +806,23 @@

function f_create_chan_and_exp(template (present) PDU_BSSAP exp_l3_compl := ?) runs on MSC_ConnHdlr { - var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); - var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); - var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info); + var MobileIdentityLV mi; + var PDU_ML3_MS_NW l3_info; + var octetstring l3_enc; var template uint3_t tsc := ?; timer T;

+ if (ispresent(g_pars.imsi)) { + mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + } else if (ispresent(g_pars.imei)) { + mi := valueof(ts_MI_IMEI_LV(g_pars.imei)); + } else { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, + "Either imsi or imei must be set!"); + } + l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + l3_enc := enc_PDU_ML3_MS_NW(l3_info); + if (not istemplatekind(g_pars.expect_tsc, "omit")) { tsc := g_pars.expect_tsc; } diff --git a/library/Osmocom_Types.ttcn b/library/Osmocom_Types.ttcn index 2edec36..dc4fd65 100644 --- a/library/Osmocom_Types.ttcn +++ b/library/Osmocom_Types.ttcn @@ -105,6 +105,10 @@ return prefix & f_rnd_hexstring(15 - lengthof(prefix), 10); }

+function f_rnd_imei(in hexstring prefix) return hexstring { + return prefix & f_rnd_hexstring(14 - lengthof(prefix), 10); +} + function f_rnd_msisdn(in octetstring prefix, integer len := 6) return octetstring { return prefix & f_rnd_octstring(len - lengthof(prefix)); }