317 lines
11 KiB
C
317 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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/* NOTE that further auth re-use tests exist in msc_vlr_test_hlr_reject.c */
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#include "msc_vlr_tests.h"
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static void _test_auth_reuse(enum osmo_rat_type via_ran,
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int set_max_reuse_count,
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int loop_requests_without_hlr,
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bool final_request_with_hlr)
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{
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struct vlr_subscr *vsub;
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const char *imsi = "901700000010650";
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int expected_use_count;
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int i;
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net->authentication_required = true;
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net->vlr->cfg.assign_tmsi = true;
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net->vlr->cfg.auth_tuple_max_reuse_count = set_max_reuse_count;
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net->vlr->cfg.auth_reuse_old_sets_on_error = false;
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rx_from_ran = via_ran;
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btw("Location Update request causes a GSUP Send Auth Info request to HLR");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("080108" "09710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_msg("0508" /* MM LU */
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"7" /* ciph key seq: no key available */
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"0" /* LU type: normal */
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"ffffff" "0000" /* LAI, LAC */
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"57" /* classmark 1: R99, early classmark, no power lvl */
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"089910070000106005" /* IMSI */
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"3303575886" /* classmark 2 */
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);
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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("from HLR, rx _SEND_AUTH_INFO_RESULT, only one tuple; VLR sends Auth Req to MS");
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/* based on auc_3g:
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* K = 'EB215756028D60E3275E613320AEC880',
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* OPC = 'FB2A3D1B360F599ABAB99DB8669F8308'
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* SQN = 0
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*/
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auth_request_sent = false;
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auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d";
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auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919";
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gsup_rx("0a"
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/* imsi */
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"0108" "09710000000156f0"
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/* TL TL rand */
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"0362" "2010" "39fa2f4e3d523d8619a73b4f65c3e14d"
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/* TL sres TL kc */
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"2104" "9b36efdf" "2208" "059a4f668f6fbe39"
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/* TL 3G IK */
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"2310" "27497388b6cb044648f396aa155b95ef"
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/* TL 3G CK */
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"2410" "f64735036e5871319c679f4742a75ea1"
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/* TL AUTN */
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"2510" "8704f5ba55f30000d2ee44b22c8ea919"
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/* TL RES */
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"2708" "e229c19e791f2e41" HLR_TO_VLR,
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NULL);
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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if (via_ran == OSMO_RAT_GERAN_A) {
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btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
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gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
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VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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} else {
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/* On UTRAN */
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef");
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ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts and sends GSUP LU Req to HLR");
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gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_security_mode_complete(1);
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VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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}
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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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gsup_rx("10010809710000000156f00804032443f2" HLR_TO_VLR,
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"12010809710000000156f0" 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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gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL);
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VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
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btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
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EXPECT_CONN_COUNT(1);
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EXPECT_ACCEPTED(false);
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thwart_rx_non_initial_requests();
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btw("even though the TMSI is not acked, we can already find the subscr with it");
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vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100, __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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VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
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VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
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vlr_subscr_put(vsub, __func__);
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btw("MS sends TMSI Realloc Complete");
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expect_release_clear(via_ran);
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ms_sends_msg("055b");
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ASSERT_RELEASE_CLEAR(via_ran);
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ran_sends_clear_complete(via_ran);
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btw("LU was successful, and the conn has already been closed");
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EXPECT_CONN_COUNT(0);
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expected_use_count = 1;
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for (i = 0; i < loop_requests_without_hlr; i++, expected_use_count++) {
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BTW("Now the auth tuple has use_count == %d", expected_use_count);
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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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OSMO_ASSERT(vsub->last_tuple);
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VERBOSE_ASSERT(vsub->last_tuple->use_count, == expected_use_count, "%d");
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vlr_subscr_put(vsub, __func__);
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BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req,"
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" and reuses old auth vector");
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auth_request_sent = true;
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cm_service_result_sent = RES_NONE;
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ms_sends_msg("052474"
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"03575886" /* classmark 2 */
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"089910070000106005" /* IMSI */);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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if (via_ran == OSMO_RAT_GERAN_A) {
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btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
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gsup_expect_tx(NULL);
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ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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} else {
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/* On UTRAN */
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef");
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ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
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ms_sends_security_mode_complete(1);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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}
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/* Release connection */
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expect_release_clear(via_ran);
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conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS);
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ran_sends_clear_complete(via_ran);
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btw("all requests serviced, conn has been released");
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EXPECT_CONN_COUNT(0);
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}
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if (final_request_with_hlr) {
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BTW("Now the auth tuple has use_count == %d, as much as is allowed.", expected_use_count);
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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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OSMO_ASSERT(vsub->last_tuple);
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VERBOSE_ASSERT(vsub->last_tuple->use_count, == expected_use_count, "%d");
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vlr_subscr_put(vsub, __func__);
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BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req,"
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" and needs to request a second auth vector from HLR");
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auth_request_sent = false;
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cm_service_result_sent = RES_NONE;
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gsup_expect_tx("080108" "09710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_msg("052474"
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"03575886" /* classmark 2 */
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"089910070000106005" /* IMSI */);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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VERBOSE_ASSERT(auth_request_sent, == false, "%d");
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VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d");
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btw("from HLR, rx _SEND_AUTH_INFO_RESULT, second tuple; VLR sends Auth Req to MS");
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auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
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auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
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gsup_rx("0a"
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/* imsi */
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"0108" "09710000000156f0"
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/* TL TL rand */
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/* TL sres TL kc */
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/* TL 3G IK */
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/* TL 3G CK */
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/* TL AUTN */
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/* TL RES */
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"0362" "2010" "c187a53a5e6b9d573cac7c74451fd46d"
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"2104" "85aa3130" "2208" "d3d50a000bf04f6e"
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"2310" "1159ec926a50e98c034a6b7d7c9f418d"
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"2410" "df3a03d9ca5335641efc8e36d76cd20b"
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"2510" "1843a645b98d00005b2d666af46c45d9"
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"2708" "7db47cf7f81e4dc7" HLR_TO_VLR,
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NULL);
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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if (via_ran == OSMO_RAT_GERAN_A) {
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btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
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gsup_expect_tx(NULL);
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ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
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VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
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} else {
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/* On UTRAN */
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
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ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
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ms_sends_security_mode_complete(1);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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}
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/* Release connection */
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expect_release_clear(via_ran);
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conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS);
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ran_sends_clear_complete(via_ran);
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btw("all requests serviced, conn has been released");
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EXPECT_CONN_COUNT(0);
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}
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BTW("subscriber detaches");
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expect_release_clear(via_ran);
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ms_sends_msg("050130"
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"089910070000106005" /* IMSI */);
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ASSERT_RELEASE_CLEAR(via_ran);
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ran_sends_clear_complete(via_ran);
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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}
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static void test_auth_use_twice_geran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_GERAN_A, 1, 1, true);
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comment_end();
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}
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static void test_auth_use_twice_utran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_UTRAN_IU, 1, 1, true);
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comment_end();
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}
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static void test_auth_use_infinitely_geran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_GERAN_A, -1, 3, false);
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comment_end();
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}
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static void test_auth_use_infinitely_utran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_UTRAN_IU, -1, 3, false);
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comment_end();
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}
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static void test_no_auth_reuse_geran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_GERAN_A, 0, 0, true);
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comment_end();
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}
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static void test_no_auth_reuse_utran()
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{
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comment_start();
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_test_auth_reuse(OSMO_RAT_UTRAN_IU, 0, 0, true);
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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_auth_use_twice_geran,
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test_auth_use_twice_utran,
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test_auth_use_infinitely_geran,
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test_auth_use_infinitely_utran,
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test_no_auth_reuse_geran,
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test_no_auth_reuse_utran,
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NULL
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};
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