210 lines
6.5 KiB
C
210 lines
6.5 KiB
C
/*
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* Osmocom MSC+VLR end-to-end tests
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*
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* (C) 2018 by Vadim Yanitskiy <axilirator@gmail.com>
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*
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* All Rights Reserved
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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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#define IMSI "901700000004620"
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#define FACILITY_IE_REQ \
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"a113" /* Invoke component, len=19 */ \
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"020101" /* InvokeID=1 */ \
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"02013b" /* OpCode=GSM0480_OP_CODE_PROCESS_USS_REQ */ \
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"300b" /* Sequence tag, len=11 */ \
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"04010f" /* DCS: Default 7-bit alphabet */ \
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"0406aa510c061b01" /* USSD text: *#100#, len=6 */
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#define FACILITY_IE_RSP \
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"a225" /* ReturnResult, len=37 */ \
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"020101" /* InvokeID=1 */ \
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"3020" /* Sequence tag, len=32 */ \
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"02013b" /* OpCode=GSM0480_OP_CODE_PROCESS_USS_REQ */ \
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"301b" /* Sequence tag, len=27 */ \
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"04010f" /* DCS: Default 7-bit alphabet */ \
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"0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d"
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static void perform_lu(void)
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{
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struct vlr_subscr *vsub;
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btw("Location Update request causes a GSUP LU request to HLR");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR);
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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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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR,
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"12010809710000004026f0" VLR_TO_HLR);
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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"HLR_TO_VLR, NULL);
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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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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__);
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VERBOSE_ASSERT(vsub != NULL, == true, "%d");
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VERBOSE_ASSERT(strcmp(vsub->imsi, IMSI), == 0, "%d");
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VAL_ASSERT("LAC", vsub->cgi.lai.lac, == 23, "%u");
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vlr_subscr_put(vsub, __func__);
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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}
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static void _test_ss_ussd_mo(enum osmo_rat_type via_ran)
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{
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/* TODO: UTRAN requires auth and ciph */
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rx_from_ran = via_ran;
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/* Perform Location Update */
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perform_lu();
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BTW("after a while, a new conn sends a 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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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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EXPECT_ACCEPTED(true);
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/* MT: GSM 04.80 RELEASE COMPLETE with Facility IE */
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gsup_expect_tx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
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"0108" "09710000004026f0" /* IMSI TLV */
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"3004" "20000001" /* Session ID TLV */
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"3101" "01" /* Session state: BEGIN */
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"3515" FACILITY_IE_REQ MSC_USSD_TO_EUSE);
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dtap_expect_tx("8b2a" "1c27" FACILITY_IE_RSP);
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expect_release_clear(via_ran);
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/* MO: GSM 04.80 REGISTER with Facility IE and SS version IE */
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ms_sends_msg("0b7b" "1c15" FACILITY_IE_REQ "7f0100");
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gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
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"0108" "09710000004026f0" /* IMSI TLV */
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"3004" "20000001" /* Session ID TLV */
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"3101" "03" /* Session state: END */
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"3527" FACILITY_IE_RSP EUSE_TO_MSC_USSD, NULL);
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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ASSERT_RELEASE_CLEAR(via_ran);
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btw("all requests serviced, conn has been released");
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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}
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static void _test_ss_ussd_no(enum osmo_rat_type via_ran)
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{
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struct vlr_subscr *vsub;
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/* TODO: UTRAN requires auth and ciph */
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rx_from_ran = via_ran;
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/* Perform Location Update */
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perform_lu();
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BTW("after a while, HLR initiates SS/USSD session");
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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, __func__);
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OSMO_ASSERT(vsub);
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VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
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/* MT: GSM 04.80 REGISTER with request */
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gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
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"0108" "09710000004026f0" /* IMSI TLV */
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"3004" "20000101" /* Session ID TLV */
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"3101" "01" /* Session state: BEGIN */
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"3515" FACILITY_IE_REQ EUSE_TO_MSC_USSD, NULL);
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VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
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vlr_subscr_put(vsub, __func__);
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vsub = NULL;
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VERBOSE_ASSERT(paging_sent, == true, "%d");
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btw("the subscriber and its pending request should remain");
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vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__);
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OSMO_ASSERT(vsub);
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VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
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vlr_subscr_put(vsub, __func__);
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btw("MS replies with Paging Response, we deliver the NC/USSD");
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dtap_expect_tx("0b3b" "1c15" FACILITY_IE_REQ);
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ms_sends_msg("06270703305882089910070000006402");
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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btw("MS responds to SS/USSD request");
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/* MO: GSM 04.80 FACILITY with response */
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gsup_expect_tx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
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"0108" "09710000004026f0" /* IMSI TLV */
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"3004" "20000101" /* Session ID TLV */
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"3101" "02" /* Session state: CONTINUE */
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"3527" FACILITY_IE_RSP MSC_USSD_TO_EUSE);
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ms_sends_msg("8b3a" "27" FACILITY_IE_RSP);
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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btw("HLR terminates the session");
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/* MT: GSM 04.80 RELEASE COMPLETE without Facility IE */
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dtap_expect_tx("0b2a");
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expect_release_clear(via_ran);
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gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
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"0108" "09710000004026f0" /* IMSI TLV */
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"3004" "20000101" /* Session ID TLV */
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"3101" "03" EUSE_TO_MSC_USSD, /* Session state: END */
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NULL);
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VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
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ASSERT_RELEASE_CLEAR(via_ran);
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btw("all requests serviced, conn has been released");
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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}
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static void test_ss_ussd_mo_geran()
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{
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comment_start();
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_test_ss_ussd_mo(OSMO_RAT_GERAN_A);
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clear_vlr();
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comment_end();
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}
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static void test_ss_ussd_no_geran()
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{
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comment_start();
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_test_ss_ussd_no(OSMO_RAT_GERAN_A);
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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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/* TODO: UTRAN requires auth and enc */
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test_ss_ussd_mo_geran, /* MS-originated */
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test_ss_ussd_no_geran, /* Network-originated */
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NULL
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};
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