| /* 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" |
| #include "stubs.h" |
| |
| static void test_reject_2nd_conn() |
| { |
| struct ran_conn *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(OSMO_RAT_GERAN_A); |
| conn_conclude_cm_service_req(g_conn, OSMO_RAT_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 |
| }; |