osmo-msc/tests/msc_vlr/msc_vlr_test_reject_concurr...

407 lines
11 KiB
C

/* 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_reject_2nd_conn()
{
struct gsm_subscriber_connection *conn1;
comment_start();
btw("Location Update Request on one connection");
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");
EXPECT_CONN_COUNT(1);
btw("Another Location Update Request from the same subscriber on another connection is rejected");
conn1 = g_conn;
g_conn = NULL;
expect_bssap_clear();
ms_sends_msg("050802008168000130089910070000006402");
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(1);
BTW("The first connection can still complete its LU");
btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
g_conn = conn1;
lu_result_sent = RES_NONE;
gsup_rx("10010809710000004026f00804036470f1",
"12010809710000004026f0");
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();
}
static void _normal_lu_part1()
{
btw("Location Update Request");
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");
EXPECT_CONN_COUNT(1);
}
static void _normal_lu_part2()
{
btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
lu_result_sent = RES_NONE;
gsup_rx("10010809710000004026f00804036470f1",
"12010809710000004026f0");
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);
}
static void _normal_lu()
{
BTW("Subscriber does a normal LU");
_normal_lu_part1();
_normal_lu_part2();
}
static void _normal_cm_service_req()
{
BTW("Subscriber does a normal CM Service Request");
cm_service_result_sent = RES_NONE;
ms_sends_msg("05247803305886089910070000006402");
OSMO_ASSERT(g_conn);
OSMO_ASSERT(g_conn->fi);
OSMO_ASSERT(g_conn->vsub);
VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
EXPECT_ACCEPTED(true);
}
static void _page()
{
const char *imsi = "901700000004620";
struct vlr_subscr *vsub;
BTW("an SMS is sent, MS is paged");
paging_expect_imsi(imsi);
paging_sent = false;
vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
OSMO_ASSERT(vsub);
VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
send_sms(vsub, vsub,
"Privacy in residential applications is a desirable"
" marketing option.");
VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
vlr_subscr_put(vsub);
vsub = NULL;
VERBOSE_ASSERT(paging_sent, == true, "%d");
VERBOSE_ASSERT(paging_stopped, == false, "%d");
}
static void _paging_resp_part1()
{
btw("MS replies with Paging Response, we deliver the SMS");
dtap_expect_tx("09" /* SMS messages */
"01" /* CP-DATA */
"58" /* length */
"01" /* Network to MS */
"00" /* reference */
/* originator (gsm411_send_sms() hardcodes this weird nr) */
"0791" "447758100650" /* 447785016005 */
"00" /* dest */
/* SMS TPDU */
"4c" /* len */
"00" /* SMS deliver */
"05806470f1" /* originating address 46071 */
"00" /* TP-PID */
"00" /* GSM default alphabet */
"071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
"000000" /* H-M-S */
"00" /* GMT+0 */
"44" /* data length */
"5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
"d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
"0c7ac3e9e9b7db05");
ms_sends_msg("06270703305882089910070000006402");
VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
VERBOSE_ASSERT(paging_stopped, == true, "%d");
btw("conn is still open to wait for SMS ack dance");
EXPECT_CONN_COUNT(1);
}
static void _paging_resp_part2(int expect_conn_count, bool expect_clear)
{
btw("MS replies with CP-ACK for received SMS");
ms_sends_msg("8904");
EXPECT_CONN_COUNT(1);
btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
dtap_expect_tx("0904");
if (expect_clear)
expect_bssap_clear();
ms_sends_msg("890106020041020000");
VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
if (expect_clear) {
VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
bss_sends_clear_complete();
}
btw("SMS is done");
EXPECT_CONN_COUNT(expect_conn_count);
}
static void test_reject_lu_during_lu()
{
comment_start();
_normal_lu_part1();
BTW("Another Location Update Request from the same subscriber on the same conn is dropped silently");
ms_sends_msg("050802008168000130089910070000006402");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
EXPECT_CONN_COUNT(1);
BTW("The first LU can still complete");
_normal_lu_part2();
clear_vlr();
comment_end();
}
static void test_reject_cm_during_lu()
{
comment_start();
_normal_lu_part1();
BTW("A CM Service Request in the middle of a LU is rejected");
cm_service_result_sent = RES_NONE;
dtap_expect_tx("052216");
ms_sends_msg("05247803305886089910070000006402");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
EXPECT_CONN_COUNT(1);
BTW("The first LU can still complete");
_normal_lu_part2();
clear_vlr();
comment_end();
}
static void test_reject_paging_resp_during_lu()
{
comment_start();
_normal_lu_part1();
BTW("An erratic Paging Response is dropped silently");
ms_sends_msg("06270703305882089910070000006402");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
EXPECT_CONN_COUNT(1);
BTW("The first LU can still complete");
_normal_lu_part2();
clear_vlr();
comment_end();
}
static void test_reject_lu_during_cm()
{
comment_start();
_normal_lu();
_normal_cm_service_req();
btw("A LU request on an open conn is dropped silently");
/* TODO: accept periodic LU on an already open conn? */
lu_result_sent = RES_NONE;
ms_sends_msg("050802008168000130089910070000006402");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
EXPECT_CONN_COUNT(1);
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_reject_cm_during_cm()
{
comment_start();
_normal_lu();
_normal_cm_service_req();
btw("A second CM Service Request on the same conn is accepted without another auth dance");
cm_service_result_sent = RES_NONE;
ms_sends_msg("05247803305886089910070000006402");
VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
EXPECT_CONN_COUNT(1);
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_reject_paging_resp_during_cm()
{
comment_start();
_normal_lu();
_normal_cm_service_req();
BTW("An erratic Paging Response on the same conn is dropped silently");
ms_sends_msg("06270703305882089910070000006402");
EXPECT_CONN_COUNT(1);
BTW("The original CM Service Request can conclude");
/* Release connection */
expect_bssap_clear(RAN_GERAN_A);
conn_conclude_cm_service_req(g_conn, RAN_GERAN_A);
btw("all requests serviced, conn has been released");
bss_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_reject_paging_resp_during_paging_resp()
{
comment_start();
_normal_lu();
_page();
_paging_resp_part1();
BTW("MS sends another erratic Paging Response which is dropped silently");
ms_sends_msg("06270703305882089910070000006402");
_paging_resp_part2(0, true);
clear_vlr();
comment_end();
}
static void test_reject_lu_during_paging_resp()
{
comment_start();
_normal_lu();
_page();
_paging_resp_part1();
BTW("MS sends erratic LU Request, which is dropped silently");
lu_result_sent = RES_NONE;
ms_sends_msg("050802008168000130089910070000006402");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
EXPECT_CONN_COUNT(1);
_paging_resp_part2(0, true);
clear_vlr();
comment_end();
}
static void test_accept_cm_during_paging_resp()
{
comment_start();
_normal_lu();
_page();
_paging_resp_part1();
BTW("CM Service Request during open connection is accepted");
cm_service_result_sent = RES_NONE;
ms_sends_msg("05247803305886089910070000006402");
VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
EXPECT_CONN_COUNT(1);
VERBOSE_ASSERT(g_conn->received_cm_service_request, == true, "%d");
_paging_resp_part2(1, false);
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();
}
msc_vlr_test_func_t msc_vlr_tests[] = {
test_reject_2nd_conn,
test_reject_lu_during_lu,
test_reject_cm_during_lu,
test_reject_paging_resp_during_lu,
test_reject_lu_during_cm,
test_reject_cm_during_cm,
test_reject_paging_resp_during_cm,
test_reject_lu_during_paging_resp,
test_accept_cm_during_paging_resp,
test_reject_paging_resp_during_paging_resp,
NULL
};