diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2017-10-29 02:12:16 +0100 |
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committer | Neels Hofmeyr <neels@hofmeyr.de> | 2017-10-31 02:02:43 +0100 |
commit | 7b1418e6fc8ae21b179de89e1045a89457525f73 (patch) | |
tree | c83f9b4422b9f8b212708a8fa1de89c1e2fb535f /tests/msc_vlr/msc_vlr_test_authen_reuse.c | |
parent | 33f534136cfa7126e9c36bcacbb4c10a8ea7a2d0 (diff) |
tests: add msc_vlr_test_authen_reuse
Change-Id: I185a2cbff6241a27722f1c37ae609f0fcc59a71e
Diffstat (limited to 'tests/msc_vlr/msc_vlr_test_authen_reuse.c')
-rw-r--r-- | tests/msc_vlr/msc_vlr_test_authen_reuse.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/tests/msc_vlr/msc_vlr_test_authen_reuse.c b/tests/msc_vlr/msc_vlr_test_authen_reuse.c new file mode 100644 index 000000000..103c90489 --- /dev/null +++ b/tests/msc_vlr/msc_vlr_test_authen_reuse.c @@ -0,0 +1,337 @@ +/* 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" + +#define ASSERT_RELEASE_CLEAR(via_ran) \ + switch (via_ran) { \ + case RAN_GERAN_A: \ + VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); \ + break; \ + case RAN_UTRAN_IU: \ + VERBOSE_ASSERT(iu_release_sent, == true, "%d"); \ + break; \ + default: \ + OSMO_ASSERT(false); \ + break; \ + } + +void _test_auth_reuse(enum ran_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 == RAN_GERAN_A) { + btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR"); + gsup_expect_tx("04010809710000000156f0"); + 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"); + cipher_mode_cmd_sent = false; + ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); + VERBOSE_ASSERT(cipher_mode_cmd_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("04010809710000000156f0"); + 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); + + 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->conn_fsm); + OSMO_ASSERT(g_conn->vsub); + VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); + VERBOSE_ASSERT(auth_request_sent, == true, "%d"); + + if (via_ran == RAN_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"); + cipher_mode_cmd_sent = false; + ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); + VERBOSE_ASSERT(cipher_mode_cmd_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"); + } + + btw("a USSD request is serviced"); + dtap_expect_tx_ussd("Your extension is 42342\r"); + expect_release_clear(via_ran); + ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100"); + OSMO_ASSERT(dtap_tx_confirmed); + ASSERT_RELEASE_CLEAR(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->conn_fsm); + 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 == RAN_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"); + cipher_mode_cmd_sent = false; + ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ + VERBOSE_ASSERT(cipher_mode_cmd_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"); + } + + btw("a USSD request is serviced"); + dtap_expect_tx_ussd("Your extension is 42342\r"); + expect_release_clear(via_ran); + ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100"); + OSMO_ASSERT(dtap_tx_confirmed); + ASSERT_RELEASE_CLEAR(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); + + EXPECT_CONN_COUNT(0); + clear_vlr(); +} + +void test_auth_use_twice_geran() +{ + comment_start(); + _test_auth_reuse(RAN_GERAN_A, 1, 1, true); + comment_end(); +} + +void test_auth_use_twice_utran() +{ + comment_start(); + _test_auth_reuse(RAN_UTRAN_IU, 1, 1, true); + comment_end(); +} + +void test_auth_use_infinitely_geran() +{ + comment_start(); + _test_auth_reuse(RAN_GERAN_A, -1, 3, false); + comment_end(); +} + +void test_auth_use_infinitely_utran() +{ + comment_start(); + _test_auth_reuse(RAN_UTRAN_IU, -1, 3, false); + comment_end(); +} + +void test_no_auth_reuse_geran() +{ + comment_start(); + _test_auth_reuse(RAN_GERAN_A, 0, 0, true); + comment_end(); +} + +void test_no_auth_reuse_utran() +{ + comment_start(); + _test_auth_reuse(RAN_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 +}; |