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/* Osmocom MSC+VLR end-to-end tests */
/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
*
* All Rights Reserved
*
* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "msc_vlr_tests.h"
static void test_early_stage()
{
comment_start();
btw("NULL conn");
EXPECT_ACCEPTED(false);
btw("freshly allocated conn");
g_conn = msc_subscr_conn_alloc(net, RAN_GERAN_A, 123);
EXPECT_ACCEPTED(false);
btw("conn_fsm present, in state NEW");
OSMO_ASSERT(g_conn->fi);
OSMO_ASSERT(g_conn->fi->state == SUBSCR_CONN_S_NEW);
EXPECT_ACCEPTED(false);
thwart_rx_non_initial_requests();
btw("fake: acceptance");
g_conn->vsub = vlr_subscr_alloc(net->vlr);
g_conn->via_ran = RAN_GERAN_A;
OSMO_ASSERT(g_conn->vsub);
/* mark as silent call so it sticks around */
g_conn->silent_call = 1;
osmo_fsm_inst_state_chg(g_conn->fi, SUBSCR_CONN_S_ACCEPTED, 0, 0);
EXPECT_CONN_COUNT(1);
EXPECT_ACCEPTED(true);
btw("CLOSE event marks conn_fsm as released and frees the conn");
expect_bssap_clear();
osmo_fsm_inst_dispatch(g_conn->fi, SUBSCR_CONN_E_CN_CLOSE, NULL);
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_cm_service_without_lu()
{
comment_start();
btw("CM Service Request without a prior Location Updating");
expect_bssap_clear();
ms_sends_msg("05247803305886089910070000006402");
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
btw("conn was released");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_two_lu()
{
comment_start();
btw("Location Update request causes a GSUP LU request to HLR");
lu_result_sent = RES_NONE;
gsup_expect_tx("04010809710000004026f0280102");
ms_sends_msg("050802008168000130089910070000006402");
OSMO_ASSERT(gsup_tx_confirmed);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
gsup_rx("10010809710000004026f00804036470f1",
"12010809710000004026f0");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("having received subscriber data does not mean acceptance");
EXPECT_ACCEPTED(false);
thwart_rx_non_initial_requests();
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
expect_bssap_clear();
gsup_rx("06010809710000004026f0", NULL);
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
btw("LU was successful, and the conn has already been closed");
VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
BTW("verify that the MS can send another LU request");
btw("Location Update request causes a GSUP LU request to HLR");
lu_result_sent = RES_NONE;
gsup_expect_tx("04010809710000004026f0280102");
ms_sends_msg("050802008168000130089910070000006402");
OSMO_ASSERT(gsup_tx_confirmed);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
gsup_rx("10010809710000004026f00804036470f1",
"12010809710000004026f0");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("having received subscriber data does not mean acceptance");
EXPECT_ACCEPTED(false);
thwart_rx_non_initial_requests();
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
expect_bssap_clear();
gsup_rx("06010809710000004026f0", NULL);
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
btw("LU was successful, and the conn has already been closed");
VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
BTW("subscriber detaches");
expect_bssap_clear();
ms_sends_msg("050130089910070000006402");
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_lu_unknown_tmsi()
{
comment_start();
btw("Location Update request with unknown TMSI sends ID Request for IMSI");
lu_result_sent = RES_NONE;
dtap_expect_tx("051801");
ms_sends_msg("050802008168000130" "05f4" "23422342");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
EXPECT_ACCEPTED(false);
thwart_rx_non_initial_requests();
btw("MS tells us the IMSI, causes a GSUP LU request to HLR");
gsup_expect_tx("04010809710000004026f0280102");
ms_sends_msg("0559089910070000006402");
OSMO_ASSERT(gsup_tx_confirmed);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
gsup_rx("10010809710000004026f00804036470f1",
"12010809710000004026f0");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("having received subscriber data does not mean acceptance");
EXPECT_ACCEPTED(false);
thwart_rx_non_initial_requests();
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
expect_bssap_clear();
gsup_rx("06010809710000004026f0", NULL);
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
btw("LU was successful, and the conn has already been closed");
VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
msc_vlr_test_func_t msc_vlr_tests[] = {
test_early_stage,
test_cm_service_without_lu,
test_two_lu,
test_lu_unknown_tmsi,
NULL
};
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