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bsc: Introduce test TC_assignment_emerg_setup_allow_imei 

Related: OS#5849
Change-Id: I5a95cb0cd6903801db8cfcc1542bd6147461eebe
This commit is contained in:
Pau Espin 2023-01-03 14:07:21 +01:00
parent 07657aedc1
commit b27653c6b6
3 changed files with 44 additions and 5 deletions
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22
bsc/BSC_Tests.ttcn
View File

@ -759,6 +759,7 @@ friend function f_gen_test_hdlr_pars(integer bssap_idx := 0) return TestHdlrPara
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 @@ testcase TC_assignment_emerg_setup_allow() runs on test_CT {
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 @@ control {
/* 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() );

23
bsc/MSC_ConnectionHandler.ttcn
View File

@ -730,7 +730,8 @@ type record TestHdlrParamsMSCPool {
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 @@ type record TestHdlrParams {
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 @@ template (value) TestHdlrParams t_def_TestHdlrPars := {
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;
}

4
library/Osmocom_Types.ttcn
View File

@ -105,6 +105,10 @@ function f_rnd_imsi(in hexstring prefix) return hexstring {
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));
}