ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

hlr: add TC_gsup_sai_num_auth_vectors 

TC_gsup_sai_num_auth_vectors tests the GSUP IE
GSUP_IE_NUM_VECTORS_REQ which allows the client to
ask for a specific amount of auth tuples in a
Send Auth Info request.

Change-Id: I10a523cbaf08fe42924ffd0dc498496fdc76395f
This commit is contained in:
Alexander Couzens 2020-01-10 07:57:16 +01:00 committed by laforge
parent 5ef90a033e
commit 9269644b70
1 changed files with 61 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
hlr/HLR_Tests.ttcn
View File

@ -50,6 +50,9 @@ modulepar {
charstring mp_hlr_ip := "127.0.0.1";
integer mp_hlr_gsup_port := 4222;
integer mp_hlr_ctrl_port := 4259;
/* how many auth tuples are expected
when IE ts_GSUP_IE_NUM_VECTORS_REQ is absent */
integer mp_default_num_auth_tuples := 5;
};
type record HlrSubscrAud2G {
@ -395,8 +398,9 @@ function f_vty_subscr_show_nomatch(TELNETasp_PT VTY, HlrSubscriber sub, template
/* perform SendAuthInfo for given imsi, return the GSUP response/error */
function f_perform_SAI(hexstring imsi, template (omit) integer exp_err_cause := omit,
boolean is_eps := false)
boolean is_eps := false, template (omit) integer num_auth_tuple := omit)
runs on HLR_ConnHdlr return GSUP_PDU {
var template GSUP_PDU sai_msg;
var GSUP_PDU ret;
timer T := 3.0;
var boolean exp_fail := false;
@ -405,10 +409,17 @@ runs on HLR_ConnHdlr return GSUP_PDU {
}
if (is_eps) {
GSUP.send(ts_GSUP_SAI_REQ_EPS(imsi));
sai_msg := ts_GSUP_SAI_REQ_EPS(imsi);
} else {
GSUP.send(valueof(ts_GSUP_SAI_REQ(imsi)));
sai_msg := ts_GSUP_SAI_REQ(imsi);
}
if (not istemplatekind(num_auth_tuple, "omit")) {
sai_msg.ies := valueof(sai_msg.ies) & {
valueof(ts_GSUP_IE_NUM_VECTORS_REQ(int2oct(valueof(num_auth_tuple), 1)))
};
}
GSUP.send(sai_msg);
T.start;
alt {
[exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, exp_err_cause)) -> value ret {
@ -714,7 +725,8 @@ private function f_TC_gsup_sai() runs on HLR_ConnHdlr {
if (ispresent(g_pars.sub.aud3g)) {
f_ensure_amf_separation_bit(res, '0'B);
}
/* TODO: match if tuple[s] matches expectation */
f_count_auth_tuples(res, mp_default_num_auth_tuples);
setverdict(pass);
}
testcase TC_gsup_sai() runs on test_CT {
@ -729,6 +741,31 @@ testcase TC_gsup_sai() runs on test_CT {
setverdict(pass);
}
/* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */
private function f_TC_gsup_sai_num_auth_vectors() runs on HLR_ConnHdlr {
var GSUP_PDU res;
res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 1);
f_count_auth_tuples(res, 1);
res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 4);
f_count_auth_tuples(res, 4);
res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 5);
f_count_auth_tuples(res, 5);
res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 254);
f_count_auth_tuples(res, 5);
setverdict(pass);
}
testcase TC_gsup_sai_num_auth_vectors() runs on test_CT {
var HlrSubscriberList sl;
var GSUP_PDU res;
f_init(false);
sl := f_gen_subs();
f_start_handler_per_sub(refers(f_TC_gsup_sai_num_auth_vectors), sl);
setverdict(pass);
}
private function f_ensure_amf_separation_bit(GSUP_PDU res, BIT1 sep_bit)
{
for (var integer i := 0; i < lengthof(res.ies); i := i+1) {
@ -749,6 +786,25 @@ private function f_ensure_amf_separation_bit(GSUP_PDU res, BIT1 sep_bit)
}
}
private function f_count_auth_tuples(GSUP_PDU res, template (omit) integer expected_auth_tuples := omit)
{
var integer auth_tuples := 0;
for (var integer i := 0; i < lengthof(res.ies); i := i+1) {
var GSUP_IE tuple := res.ies[i];
if (tuple.tag == OSMO_GSUP_AUTH_TUPLE_IE) {
auth_tuples := auth_tuples + 1;
}
}
if ((not istemplatekind(expected_auth_tuples, "omit")) and
not match(auth_tuples, valueof(expected_auth_tuples))) {
setverdict(fail,
"Did not received expected number of auth tuples. Expected ",
mp_default_num_auth_tuples,
" but received ", auth_tuples);
}
}
/* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */
private function f_TC_gsup_sai_eps() runs on HLR_ConnHdlr {
var GSUP_PDU res;
@ -1471,6 +1527,7 @@ testcase TC_subscr_create_on_demand_sai() runs on test_CT {
control {
execute( TC_gsup_sai_err_invalid_imsi() );
execute( TC_gsup_sai() );
execute( TC_gsup_sai_num_auth_vectors() );
execute( TC_gsup_sai_eps() );
execute( TC_gsup_ul_unknown_imsi() );
execute( TC_gsup_sai_err_unknown_imsi() );