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osmo-ttcn3-hacks
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msc: New TC_cl3_rnd_payload / TC_cl3_no_payload for COMPLETE L3 

Test BSSMAP COMPLETE L3 INFO either with no payload whatsoever or with
random payload.

Change-Id: I37ca3e5048cc1c2678d763a44b7e228da29851cc
This commit is contained in:
Harald Welte 2018-01-25 18:33:15 +01:00
parent b14c77ab85
commit 1af6ea82b7
1 changed files with 61 additions and 2 deletions
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63
msc_tests/MSC_Tests.ttcn
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@ -1089,6 +1089,63 @@ testcase TC_lu_imsi_auth_tmsi_encr_13_13() runs on MTC_CT {
vc_conn.done;
}
/* Test Complete L3 without payload */
private function f_tc_cl3_no_payload(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
g_pars := pars;
/* Send Complete L3 Info with empty L3 frame */
BSSAP.send(ts_BSSAP_Conn_Req(g_pars.sccp_addr_peer, g_pars.sccp_addr_own,
valueof(ts_BSSMAP_ComplL3(g_pars.cell_id, ''O))));
alt {
[] BSSAP.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_IND) {}
/* Expect LU REJECT with Cause == Illegal MS */
[] BSSAP.receive(tr_BSSMAP_ClearCommand) {
BSSAP.send(ts_BSSMAP_ClearComplete);
BSSAP.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_IND);
}
}
setverdict(pass);
}
testcase TC_cl3_no_payload() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_tc_cl3_no_payload), testcasename(), 24);
vc_conn.done;
}
/* Test Complete L3 with random payload */
private function f_tc_cl3_rnd_payload(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
g_pars := pars;
var integer len := float2int(rnd() * 256.0);
var octetstring payl := f_rnd_octstring(len);
/* Send Complete L3 Info with empty L3 frame */
BSSAP.send(ts_BSSAP_Conn_Req(g_pars.sccp_addr_peer, g_pars.sccp_addr_own,
valueof(ts_BSSMAP_ComplL3(g_pars.cell_id, payl))));
alt {
/* Immediate disconnect */
[] BSSAP.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_IND) {}
/* Expect LU REJECT with Cause == Illegal MS */
[] BSSAP.receive(tr_BSSMAP_ClearCommand) {
BSSAP.send(ts_BSSMAP_ClearComplete);
BSSAP.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_IND);
}
[] BSSAP.receive(tr_PDU_DTAP_MT(?)) { repeat; }
}
setverdict(pass);
}
testcase TC_cl3_rnd_payload() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_tc_cl3_rnd_payload), testcasename(), 24);
vc_conn.done;
}
/* TODO:
* continue to send repeated MO signalling messages to keep channel open: does MSC tmeout?
@ -1096,8 +1153,6 @@ testcase TC_lu_imsi_auth_tmsi_encr_13_13() runs on MTC_CT {
* MT call while LU or is ongoing: Do we use existing lchan or page while lchan active?
* 3G/2G auth permutations
* encryption algorithms vs. classmark vs. vty config
* emergency call
* IMSI DETACH
* send new transaction after/during clear (like SMS, ...)
* too long L3 INFO in DTAP
* too long / padded BSSAP
@ -1127,6 +1182,10 @@ control {
execute( TC_cm_serv_req_vbs_reject() );
execute( TC_cm_serv_req_lcs_reject() );
execute( TC_cm_reest_req_reject() );
execute( TC_lu_auth_2G_fail() );
execute( TC_lu_imsi_auth_tmsi_encr_13_13() );
execute( TC_cl3_no_payload() );
execute( TC_cl3_rnd_payload() );
}