| /* |
| * Osmocom MSC+VLR end-to-end tests |
| * |
| * (C) 2018 by Vadim Yanitskiy <axilirator@gmail.com> |
| * |
| * All Rights Reserved |
| * |
| * 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" |
| |
| #define IMSI "901700000004620" |
| |
| #define FACILITY_IE_REQ \ |
| "a113" /* Invoke component, len=19 */ \ |
| "020101" /* InvokeID=1 */ \ |
| "02013b" /* OpCode=GSM0480_OP_CODE_PROCESS_USS_REQ */ \ |
| "300b" /* Sequence tag, len=11 */ \ |
| "04010f" /* DCS: Default 7-bit alphabet */ \ |
| "0406aa510c061b01" /* USSD text: *#100#, len=6 */ |
| |
| #define FACILITY_IE_RSP \ |
| "a225" /* ReturnResult, len=37 */ \ |
| "020101" /* InvokeID=1 */ \ |
| "3020" /* Sequence tag, len=32 */ \ |
| "02013b" /* OpCode=GSM0480_OP_CODE_PROCESS_USS_REQ */ \ |
| "301b" /* Sequence tag, len=27 */ \ |
| "04010f" /* DCS: Default 7-bit alphabet */ \ |
| "0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d" |
| |
| static void perform_lu(void) |
| { |
| struct vlr_subscr *vsub; |
| |
| btw("Location Update request causes a GSUP LU request to HLR"); |
| lu_result_sent = RES_NONE; |
| gsup_expect_tx("04010809710000004026f0280102" VLR_TO_HLR); |
| 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" HLR_TO_VLR, |
| "12010809710000004026f0" VLR_TO_HLR); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| expect_bssap_clear(); |
| gsup_rx("06010809710000004026f0"HLR_TO_VLR, NULL); |
| |
| btw("LU was successful, and the conn has already been closed"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); |
| |
| vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__); |
| VERBOSE_ASSERT(vsub != NULL, == true, "%d"); |
| VERBOSE_ASSERT(strcmp(vsub->imsi, IMSI), == 0, "%d"); |
| VAL_ASSERT("LAC", vsub->cgi.lai.lac, == 23, "%u"); |
| vlr_subscr_put(vsub, __func__); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| static void _test_ss_ussd_mo(enum osmo_rat_type via_ran) |
| { |
| /* TODO: UTRAN requires auth and ciph */ |
| rx_from_ran = via_ran; |
| |
| /* Perform Location Update */ |
| perform_lu(); |
| |
| BTW("after a while, a new conn sends a CM Service Request"); |
| |
| cm_service_result_sent = RES_NONE; |
| ms_sends_msg("05247803305886089910070000006402"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| EXPECT_ACCEPTED(true); |
| |
| /* MT: GSM 04.80 RELEASE COMPLETE with Facility IE */ |
| gsup_expect_tx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */ |
| "0108" "09710000004026f0" /* IMSI TLV */ |
| "3004" "20000001" /* Session ID TLV */ |
| "3101" "01" /* Session state: BEGIN */ |
| "3515" FACILITY_IE_REQ MSC_USSD_TO_EUSE); |
| dtap_expect_tx("8b2a" "1c27" FACILITY_IE_RSP); |
| expect_release_clear(via_ran); |
| |
| /* MO: GSM 04.80 REGISTER with Facility IE and SS version IE */ |
| ms_sends_msg("0b7b" "1c15" FACILITY_IE_REQ "7f0100"); |
| gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */ |
| "0108" "09710000004026f0" /* IMSI TLV */ |
| "3004" "20000001" /* Session ID TLV */ |
| "3101" "03" /* Session state: END */ |
| "3527" FACILITY_IE_RSP EUSE_TO_MSC_USSD, NULL); |
| VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| ASSERT_RELEASE_CLEAR(via_ran); |
| |
| btw("all requests serviced, conn has been released"); |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| static void _test_ss_ussd_no(enum osmo_rat_type via_ran) |
| { |
| struct vlr_subscr *vsub; |
| |
| /* TODO: UTRAN requires auth and ciph */ |
| rx_from_ran = via_ran; |
| |
| /* Perform Location Update */ |
| perform_lu(); |
| |
| BTW("after a while, HLR initiates SS/USSD session"); |
| |
| paging_expect_imsi(IMSI); |
| paging_sent = false; |
| vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__); |
| OSMO_ASSERT(vsub); |
| VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); |
| |
| /* MT: GSM 04.80 REGISTER with request */ |
| gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */ |
| "0108" "09710000004026f0" /* IMSI TLV */ |
| "3004" "20000101" /* Session ID TLV */ |
| "3101" "01" /* Session state: BEGIN */ |
| "3515" FACILITY_IE_REQ EUSE_TO_MSC_USSD, NULL); |
| |
| VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); |
| vlr_subscr_put(vsub, __func__); |
| vsub = NULL; |
| VERBOSE_ASSERT(paging_sent, == true, "%d"); |
| |
| btw("the subscriber and its pending request should remain"); |
| vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__); |
| OSMO_ASSERT(vsub); |
| VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); |
| vlr_subscr_put(vsub, __func__); |
| |
| btw("MS replies with Paging Response, we deliver the NC/USSD"); |
| |
| dtap_expect_tx("0b3b" "1c15" FACILITY_IE_REQ); |
| ms_sends_msg("06270703305882089910070000006402"); |
| VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| |
| btw("MS responds to SS/USSD request"); |
| |
| /* MO: GSM 04.80 FACILITY with response */ |
| gsup_expect_tx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */ |
| "0108" "09710000004026f0" /* IMSI TLV */ |
| "3004" "20000101" /* Session ID TLV */ |
| "3101" "02" /* Session state: CONTINUE */ |
| "3527" FACILITY_IE_RSP MSC_USSD_TO_EUSE); |
| ms_sends_msg("8b3a" "27" FACILITY_IE_RSP); |
| VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| |
| btw("HLR terminates the session"); |
| |
| /* MT: GSM 04.80 RELEASE COMPLETE without Facility IE */ |
| dtap_expect_tx("0b2a"); |
| expect_release_clear(via_ran); |
| gsup_rx("20" /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */ |
| "0108" "09710000004026f0" /* IMSI TLV */ |
| "3004" "20000101" /* Session ID TLV */ |
| "3101" "03" EUSE_TO_MSC_USSD, /* Session state: END */ |
| NULL); |
| VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| ASSERT_RELEASE_CLEAR(via_ran); |
| |
| btw("all requests serviced, conn has been released"); |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| static void test_ss_ussd_mo_geran() |
| { |
| comment_start(); |
| _test_ss_ussd_mo(OSMO_RAT_GERAN_A); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| static void test_ss_ussd_no_geran() |
| { |
| comment_start(); |
| _test_ss_ussd_no(OSMO_RAT_GERAN_A); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| msc_vlr_test_func_t msc_vlr_tests[] = { |
| /* TODO: UTRAN requires auth and enc */ |
| test_ss_ussd_mo_geran, /* MS-originated */ |
| test_ss_ussd_no_geran, /* Network-originated */ |
| NULL |
| }; |