| /* 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/>. |
| * |
| */ |
| |
| /* NOTE that further auth re-use tests exist in msc_vlr_test_hlr_reject.c */ |
| |
| #include "msc_vlr_tests.h" |
| #include "stubs.h" |
| |
| static void _test_auth_reuse(enum osmo_rat_type via_ran, |
| int set_max_reuse_count, |
| int loop_requests_without_hlr, |
| bool final_request_with_hlr) |
| { |
| struct vlr_subscr *vsub; |
| const char *imsi = "901700000010650"; |
| int expected_use_count; |
| int i; |
| |
| net->authentication_required = true; |
| net->vlr->cfg.assign_tmsi = true; |
| net->vlr->cfg.auth_tuple_max_reuse_count = set_max_reuse_count; |
| net->vlr->cfg.auth_reuse_old_sets_on_error = false; |
| rx_from_ran = via_ran; |
| |
| btw("Location Update request causes a GSUP Send Auth Info request to HLR"); |
| lu_result_sent = RES_NONE; |
| gsup_expect_tx("080108" "09710000000156f0"); |
| ms_sends_msg("0508" /* MM LU */ |
| "7" /* ciph key seq: no key available */ |
| "0" /* LU type: normal */ |
| "ffffff" "0000" /* LAI, LAC */ |
| "57" /* classmark 1: R99, early classmark, no power lvl */ |
| "089910070000106005" /* IMSI */ |
| "3303575886" /* classmark 2 */ |
| ); |
| OSMO_ASSERT(gsup_tx_confirmed); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("from HLR, rx _SEND_AUTH_INFO_RESULT, only one tuple; VLR sends Auth Req to MS"); |
| /* based on auc_3g: |
| * K = 'EB215756028D60E3275E613320AEC880', |
| * OPC = 'FB2A3D1B360F599ABAB99DB8669F8308' |
| * SQN = 0 |
| */ |
| auth_request_sent = false; |
| auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d"; |
| auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919"; |
| gsup_rx("0a" |
| /* imsi */ |
| "0108" "09710000000156f0" |
| /* TL TL rand */ |
| "0362" "2010" "39fa2f4e3d523d8619a73b4f65c3e14d" |
| /* TL sres TL kc */ |
| "2104" "9b36efdf" "2208" "059a4f668f6fbe39" |
| /* TL 3G IK */ |
| "2310" "27497388b6cb044648f396aa155b95ef" |
| /* TL 3G CK */ |
| "2410" "f64735036e5871319c679f4742a75ea1" |
| /* TL AUTN */ |
| "2510" "8704f5ba55f30000d2ee44b22c8ea919" |
| /* TL RES */ |
| "2708" "e229c19e791f2e41", |
| NULL); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| if (via_ran == OSMO_RAT_GERAN_A) { |
| btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR"); |
| gsup_expect_tx("04010809710000000156f0280102"); |
| ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); |
| VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| } else { |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef"); |
| ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts and sends GSUP LU Req to HLR"); |
| gsup_expect_tx("04010809710000000156f0280102"); |
| ms_sends_security_mode_complete(); |
| VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| } |
| |
| btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); |
| gsup_rx("10010809710000000156f00804032443f2", |
| "12010809710000000156f0"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| gsup_rx("06010809710000000156f0", NULL); |
| |
| VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| |
| btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl"); |
| EXPECT_CONN_COUNT(1); |
| EXPECT_ACCEPTED(false); |
| thwart_rx_non_initial_requests(); |
| |
| btw("even though the TMSI is not acked, we can already find the subscr with it"); |
| vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100); |
| VERBOSE_ASSERT(vsub != NULL, == true, "%d"); |
| VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d"); |
| VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x"); |
| VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x"); |
| vlr_subscr_put(vsub); |
| |
| btw("MS sends TMSI Realloc Complete"); |
| expect_release_clear(via_ran); |
| ms_sends_msg("055b"); |
| ASSERT_RELEASE_CLEAR(via_ran); |
| bss_rnc_sends_release_clear_complete(via_ran); |
| |
| btw("LU was successful, and the conn has already been closed"); |
| EXPECT_CONN_COUNT(0); |
| |
| expected_use_count = 1; |
| |
| for (i = 0; i < loop_requests_without_hlr; i++, expected_use_count++) { |
| BTW("Now the auth tuple has use_count == %d", expected_use_count); |
| vsub = vlr_subscr_find_by_imsi(net->vlr, imsi); |
| OSMO_ASSERT(vsub); |
| OSMO_ASSERT(vsub->last_tuple); |
| VERBOSE_ASSERT(vsub->last_tuple->use_count, == expected_use_count, "%d"); |
| vlr_subscr_put(vsub); |
| |
| BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req," |
| " and reuses old auth vector"); |
| auth_request_sent = true; |
| cm_service_result_sent = RES_NONE; |
| ms_sends_msg("052478" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| OSMO_ASSERT(g_conn); |
| OSMO_ASSERT(g_conn->fi); |
| OSMO_ASSERT(g_conn->vsub); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| if (via_ran == OSMO_RAT_GERAN_A) { |
| btw("MS sends Authen Response, VLR accepts with a CM Service Accept"); |
| gsup_expect_tx(NULL); |
| ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| } else { |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef"); |
| ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept"); |
| ms_sends_security_mode_complete(); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| } |
| |
| /* Release connection */ |
| expect_release_clear(via_ran); |
| conn_conclude_cm_service_req(g_conn, via_ran); |
| bss_rnc_sends_release_clear_complete(via_ran); |
| |
| btw("all requests serviced, conn has been released"); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| if (final_request_with_hlr) { |
| BTW("Now the auth tuple has use_count == %d, as much as is allowed.", expected_use_count); |
| vsub = vlr_subscr_find_by_imsi(net->vlr, imsi); |
| OSMO_ASSERT(vsub); |
| OSMO_ASSERT(vsub->last_tuple); |
| VERBOSE_ASSERT(vsub->last_tuple->use_count, == expected_use_count, "%d"); |
| vlr_subscr_put(vsub); |
| |
| BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req," |
| " and needs to request a second auth vector from HLR"); |
| auth_request_sent = false; |
| cm_service_result_sent = RES_NONE; |
| gsup_expect_tx("080108" "09710000000156f0"); |
| ms_sends_msg("052478" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| OSMO_ASSERT(g_conn); |
| OSMO_ASSERT(g_conn->fi); |
| OSMO_ASSERT(g_conn->vsub); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| VERBOSE_ASSERT(auth_request_sent, == false, "%d"); |
| VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d"); |
| |
| btw("from HLR, rx _SEND_AUTH_INFO_RESULT, second tuple; VLR sends Auth Req to MS"); |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| gsup_rx("0a" |
| /* imsi */ |
| "0108" "09710000000156f0" |
| /* TL TL rand */ |
| /* TL sres TL kc */ |
| /* TL 3G IK */ |
| /* TL 3G CK */ |
| /* TL AUTN */ |
| /* TL RES */ |
| "0362" "2010" "c187a53a5e6b9d573cac7c74451fd46d" |
| "2104" "85aa3130" "2208" "d3d50a000bf04f6e" |
| "2310" "1159ec926a50e98c034a6b7d7c9f418d" |
| "2410" "df3a03d9ca5335641efc8e36d76cd20b" |
| "2510" "1843a645b98d00005b2d666af46c45d9" |
| "2708" "7db47cf7f81e4dc7", |
| NULL); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| if (via_ran == OSMO_RAT_GERAN_A) { |
| btw("MS sends Authen Response, VLR accepts with a CM Service Accept"); |
| gsup_expect_tx(NULL); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| } else { |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept"); |
| ms_sends_security_mode_complete(); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| } |
| |
| /* Release connection */ |
| expect_release_clear(via_ran); |
| conn_conclude_cm_service_req(g_conn, via_ran); |
| bss_rnc_sends_release_clear_complete(via_ran); |
| |
| btw("all requests serviced, conn has been released"); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| BTW("subscriber detaches"); |
| expect_release_clear(via_ran); |
| ms_sends_msg("050130" |
| "089910070000106005" /* IMSI */); |
| ASSERT_RELEASE_CLEAR(via_ran); |
| bss_rnc_sends_release_clear_complete(via_ran); |
| |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| } |
| |
| static void test_auth_use_twice_geran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_GERAN_A, 1, 1, true); |
| comment_end(); |
| } |
| |
| static void test_auth_use_twice_utran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_UTRAN_IU, 1, 1, true); |
| comment_end(); |
| } |
| |
| static void test_auth_use_infinitely_geran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_GERAN_A, -1, 3, false); |
| comment_end(); |
| } |
| |
| static void test_auth_use_infinitely_utran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_UTRAN_IU, -1, 3, false); |
| comment_end(); |
| } |
| |
| static void test_no_auth_reuse_geran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_GERAN_A, 0, 0, true); |
| comment_end(); |
| } |
| |
| static void test_no_auth_reuse_utran() |
| { |
| comment_start(); |
| _test_auth_reuse(OSMO_RAT_UTRAN_IU, 0, 0, true); |
| comment_end(); |
| } |
| |
| msc_vlr_test_func_t msc_vlr_tests[] = { |
| test_auth_use_twice_geran, |
| test_auth_use_twice_utran, |
| test_auth_use_infinitely_geran, |
| test_auth_use_infinitely_utran, |
| test_no_auth_reuse_geran, |
| test_no_auth_reuse_utran, |
| NULL |
| }; |