407 lines
11 KiB
C
407 lines
11 KiB
C
/* Osmocom MSC+VLR end-to-end tests */
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/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
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*
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* All Rights Reserved
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*
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* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "msc_vlr_tests.h"
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static void test_reject_2nd_conn()
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{
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struct gsm_subscriber_connection *conn1;
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comment_start();
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btw("Location Update Request on one connection");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("04010809710000004026f0280102");
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ms_sends_msg("050802008168000130089910070000006402");
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OSMO_ASSERT(gsup_tx_confirmed);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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btw("Another Location Update Request from the same subscriber on another connection is rejected");
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conn1 = g_conn;
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g_conn = NULL;
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expect_bssap_clear();
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ms_sends_msg("050802008168000130089910070000006402");
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(1);
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BTW("The first connection can still complete its LU");
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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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g_conn = conn1;
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lu_result_sent = RES_NONE;
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gsup_rx("10010809710000004026f00804036470f1",
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"12010809710000004026f0");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
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expect_bssap_clear();
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gsup_rx("06010809710000004026f0", NULL);
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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btw("LU was successful, and the conn has already been closed");
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VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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static void _normal_lu_part1()
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{
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btw("Location Update Request");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("04010809710000004026f0280102");
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ms_sends_msg("050802008168000130089910070000006402");
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OSMO_ASSERT(gsup_tx_confirmed);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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}
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static void _normal_lu_part2()
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{
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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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lu_result_sent = RES_NONE;
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gsup_rx("10010809710000004026f00804036470f1",
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"12010809710000004026f0");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
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expect_bssap_clear();
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gsup_rx("06010809710000004026f0", NULL);
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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btw("LU was successful, and the conn has already been closed");
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VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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}
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static void _normal_lu()
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{
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BTW("Subscriber does a normal LU");
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_normal_lu_part1();
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_normal_lu_part2();
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}
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static void _normal_cm_service_req()
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{
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BTW("Subscriber does a normal CM Service Request");
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cm_service_result_sent = RES_NONE;
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ms_sends_msg("05247803305886089910070000006402");
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OSMO_ASSERT(g_conn);
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OSMO_ASSERT(g_conn->fi);
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OSMO_ASSERT(g_conn->vsub);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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EXPECT_ACCEPTED(true);
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}
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static void _page()
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{
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const char *imsi = "901700000004620";
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struct vlr_subscr *vsub;
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BTW("an SMS is sent, MS is paged");
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paging_expect_imsi(imsi);
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paging_sent = false;
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vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
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OSMO_ASSERT(vsub);
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VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
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send_sms(vsub, vsub,
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"Privacy in residential applications is a desirable"
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" marketing option.");
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VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
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vlr_subscr_put(vsub);
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vsub = NULL;
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VERBOSE_ASSERT(paging_sent, == true, "%d");
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VERBOSE_ASSERT(paging_stopped, == false, "%d");
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}
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static void _paging_resp_part1()
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{
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btw("MS replies with Paging Response, we deliver the SMS");
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dtap_expect_tx("09" /* SMS messages */
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"01" /* CP-DATA */
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"58" /* length */
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"01" /* Network to MS */
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"00" /* reference */
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/* originator (gsm411_send_sms() hardcodes this weird nr) */
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"0791" "447758100650" /* 447785016005 */
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"00" /* dest */
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/* SMS TPDU */
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"4c" /* len */
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"00" /* SMS deliver */
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"05806470f1" /* originating address 46071 */
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"00" /* TP-PID */
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"00" /* GSM default alphabet */
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"071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
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"000000" /* H-M-S */
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"00" /* GMT+0 */
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"44" /* data length */
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"5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
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"d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
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"0c7ac3e9e9b7db05");
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ms_sends_msg("06270703305882089910070000006402");
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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VERBOSE_ASSERT(paging_stopped, == true, "%d");
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btw("conn is still open to wait for SMS ack dance");
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EXPECT_CONN_COUNT(1);
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}
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static void _paging_resp_part2(int expect_conn_count, bool expect_clear)
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{
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btw("MS replies with CP-ACK for received SMS");
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ms_sends_msg("8904");
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EXPECT_CONN_COUNT(1);
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btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
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dtap_expect_tx("0904");
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if (expect_clear)
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expect_bssap_clear();
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ms_sends_msg("890106020041020000");
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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if (expect_clear) {
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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bss_sends_clear_complete();
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}
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btw("SMS is done");
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EXPECT_CONN_COUNT(expect_conn_count);
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}
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static void test_reject_lu_during_lu()
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{
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comment_start();
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_normal_lu_part1();
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BTW("Another Location Update Request from the same subscriber on the same conn is dropped silently");
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ms_sends_msg("050802008168000130089910070000006402");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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BTW("The first LU can still complete");
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_normal_lu_part2();
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clear_vlr();
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comment_end();
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}
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static void test_reject_cm_during_lu()
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{
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comment_start();
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_normal_lu_part1();
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BTW("A CM Service Request in the middle of a LU is rejected");
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cm_service_result_sent = RES_NONE;
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dtap_expect_tx("052216");
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ms_sends_msg("05247803305886089910070000006402");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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EXPECT_CONN_COUNT(1);
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BTW("The first LU can still complete");
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_normal_lu_part2();
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clear_vlr();
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comment_end();
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}
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static void test_reject_paging_resp_during_lu()
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{
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comment_start();
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_normal_lu_part1();
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BTW("An erratic Paging Response is dropped silently");
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ms_sends_msg("06270703305882089910070000006402");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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BTW("The first LU can still complete");
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_normal_lu_part2();
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clear_vlr();
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comment_end();
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}
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static void test_reject_lu_during_cm()
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{
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comment_start();
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_normal_lu();
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_normal_cm_service_req();
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btw("A LU request on an open conn is dropped silently");
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/* TODO: accept periodic LU on an already open conn? */
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lu_result_sent = RES_NONE;
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ms_sends_msg("050802008168000130089910070000006402");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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BTW("subscriber detaches");
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expect_bssap_clear();
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ms_sends_msg("050130089910070000006402");
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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static void test_reject_cm_during_cm()
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{
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comment_start();
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_normal_lu();
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_normal_cm_service_req();
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btw("A second CM Service Request on the same conn is accepted without another auth dance");
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cm_service_result_sent = RES_NONE;
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ms_sends_msg("05247803305886089910070000006402");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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EXPECT_CONN_COUNT(1);
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BTW("subscriber detaches");
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expect_bssap_clear();
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ms_sends_msg("050130089910070000006402");
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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static void test_reject_paging_resp_during_cm()
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{
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comment_start();
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_normal_lu();
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_normal_cm_service_req();
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BTW("An erratic Paging Response on the same conn is dropped silently");
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ms_sends_msg("06270703305882089910070000006402");
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EXPECT_CONN_COUNT(1);
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BTW("The original CM Service Request can conclude");
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/* Release connection */
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expect_bssap_clear(RAN_GERAN_A);
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conn_conclude_cm_service_req(g_conn, RAN_GERAN_A);
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btw("all requests serviced, conn has been released");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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static void test_reject_paging_resp_during_paging_resp()
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{
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comment_start();
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_normal_lu();
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_page();
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_paging_resp_part1();
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BTW("MS sends another erratic Paging Response which is dropped silently");
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ms_sends_msg("06270703305882089910070000006402");
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_paging_resp_part2(0, true);
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clear_vlr();
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comment_end();
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}
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static void test_reject_lu_during_paging_resp()
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{
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comment_start();
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_normal_lu();
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_page();
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_paging_resp_part1();
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BTW("MS sends erratic LU Request, which is dropped silently");
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lu_result_sent = RES_NONE;
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ms_sends_msg("050802008168000130089910070000006402");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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EXPECT_CONN_COUNT(1);
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_paging_resp_part2(0, true);
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clear_vlr();
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comment_end();
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}
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static void test_accept_cm_during_paging_resp()
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{
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comment_start();
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_normal_lu();
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_page();
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_paging_resp_part1();
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BTW("CM Service Request during open connection is accepted");
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cm_service_result_sent = RES_NONE;
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ms_sends_msg("05247803305886089910070000006402");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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EXPECT_CONN_COUNT(1);
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VERBOSE_ASSERT(g_conn->received_cm_service_request, == true, "%d");
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_paging_resp_part2(1, false);
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BTW("subscriber detaches");
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expect_bssap_clear();
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ms_sends_msg("050130089910070000006402");
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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bss_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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msc_vlr_test_func_t msc_vlr_tests[] = {
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test_reject_2nd_conn,
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test_reject_lu_during_lu,
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test_reject_cm_during_lu,
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test_reject_paging_resp_during_lu,
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test_reject_lu_during_cm,
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test_reject_cm_during_cm,
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test_reject_paging_resp_during_cm,
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test_reject_lu_during_paging_resp,
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test_accept_cm_during_paging_resp,
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test_reject_paging_resp_during_paging_resp,
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NULL
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};
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