diff options
Diffstat (limited to 'openbsc/tests/msc_vlr/msc_vlr_test_umts_authen.c')
-rw-r--r-- | openbsc/tests/msc_vlr/msc_vlr_test_umts_authen.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/openbsc/tests/msc_vlr/msc_vlr_test_umts_authen.c b/openbsc/tests/msc_vlr/msc_vlr_test_umts_authen.c new file mode 100644 index 000000000..9b4d0188d --- /dev/null +++ b/openbsc/tests/msc_vlr/msc_vlr_test_umts_authen.c @@ -0,0 +1,446 @@ +/* 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" + +void _test_umts_authen(enum ran_type via_ran) +{ + struct vlr_subscr *vsub; + const char *imsi = "901700000010650"; + + net->authentication_required = true; + 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; 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" + /* 5 auth vectors... */ + /* 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" + /* TL TL rand */ + "0362" "2010" "c187a53a5e6b9d573cac7c74451fd46d" + "2104" "85aa3130" "2208" "d3d50a000bf04f6e" + "2310" "1159ec926a50e98c034a6b7d7c9f418d" + "2410" "df3a03d9ca5335641efc8e36d76cd20b" + "2510" "1843a645b98d00005b2d666af46c45d9" + "2708" "7db47cf7f81e4dc7" + "0362" "2010" "efa9c29a9742148d5c9070348716e1bb" + "2104" "69d5f9fb" "2208" "3df176f0c29f1a3d" + "2310" "eb50e770ddcc3060101d2f43b6c2b884" + "2410" "76542abce5ff9345b0e8947f4c6e019c" + "2510" "f9375e6d41e1000096e7fe4ff1c27e39" + "2708" "706f996719ba609c" + "0362" "2010" "f023d5a3b24726e0631b64b3840f8253" + "2104" "d570c03f" "2208" "ec011be8919883d6" + "2310" "c4e58af4ba43f3bcd904e16984f086d7" + "2410" "0593f65e752e5cb7f473862bda05aa0a" + "2510" "541ff1f077270000c5ea00d658bc7e9a" + "2708" "3fd26072eaa2a04d" + "0362" "2010" "2f8f90c780d6a9c0c53da7ac57b6707e" + "2104" "b072446f220823f39f9f425ad6e6" + "2310" "65af0527fda95b0dc5ae4aa515cdf32f" + "2410" "537c3b35a3b13b08d08eeb28098f45cc" + "2510" "4bf4e564f75300009bc796706bc65744" + "2708" "0edb0eadbea94ac2", + NULL); + VERBOSE_ASSERT(auth_request_sent, == true, "%d"); + VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); + + 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(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); + + btw("LU was successful, and the conn has already been closed"); + VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); + EXPECT_CONN_COUNT(0); + + BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); + auth_request_sent = false; + auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; + auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; + 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"); + + btw("needs auth, not yet accepted"); + EXPECT_ACCEPTED(false); + thwart_rx_non_initial_requests(); + + 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"); + + btw("a USSD request is serviced"); + dtap_expect_tx_ussd("Your extension is 42342\r"); + ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100"); + OSMO_ASSERT(dtap_tx_confirmed); + + btw("all requests serviced, conn has been released"); + EXPECT_CONN_COUNT(0); + + 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"); + + btw("the subscriber and its pending request should remain"); + vsub = vlr_subscr_find_by_imsi(net->vlr, imsi); + OSMO_ASSERT(vsub); + VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); + vlr_subscr_put(vsub); + + btw("MS replies with Paging Response, and VLR sends Auth Request with third key"); + auth_request_sent = false; + auth_request_expect_rand = "efa9c29a9742148d5c9070348716e1bb"; + auth_request_expect_autn = "f9375e6d41e1000096e7fe4ff1c27e39"; + ms_sends_msg("062707" + "03575886" /* classmark 2 */ + "089910070000106005" /* IMSI */); + VERBOSE_ASSERT(auth_request_sent, == true, "%d"); + + btw("needs auth, not yet accepted"); + EXPECT_ACCEPTED(false); + thwart_rx_non_initial_requests(); + + btw("MS sends Authen Response, VLR accepts and sends pending 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 */ + "05802443f2" /* originating address 42342 */ + "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("0554" "706f9967" "2104" "19ba609c"); /* 3nd vector's res, s.a. */ + VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); + VERBOSE_ASSERT(paging_stopped, == true, "%d"); + + btw("SMS was delivered, no requests pending for subscr"); + vsub = vlr_subscr_find_by_imsi(net->vlr, imsi); + OSMO_ASSERT(vsub); + VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); + vlr_subscr_put(vsub); + + btw("conn is still open to wait for SMS ack dance"); + EXPECT_CONN_COUNT(1); + + 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"); + ms_sends_msg("890106020041020000"); + VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); + + btw("SMS is done, conn is gone"); + EXPECT_CONN_COUNT(0); + + BTW("subscriber detaches"); + ms_sends_msg("050130" + "089910070000106005" /* IMSI */); + + EXPECT_CONN_COUNT(0); + clear_vlr(); +} + +void test_umts_authen_geran() +{ + comment_start(); + _test_umts_authen(RAN_GERAN_A); + comment_end(); +} + +void test_umts_authen_utran() +{ + comment_start(); + _test_umts_authen(RAN_UTRAN_IU); + comment_end(); +} + +#define RECALC_AUTS 0 + +#if RECALC_AUTS +typedef uint8_t u8; +extern int milenage_f2345(const u8 *opc, const u8 *k, const u8 *_rand, + u8 *res, u8 *ck, u8 *ik, u8 *ak, u8 *akstar); +extern int milenage_f1(const u8 *opc, const u8 *k, const u8 *_rand, + const u8 *sqn, const u8 *amf, u8 *mac_a, u8 *mac_s); +#endif + +void _test_umts_authen_resync(enum ran_type via_ran) +{ + net->authentication_required = true; + 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; 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" + /* auth vectors... */ + /* 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"); + + /* The AUTN sent was 8704f5ba55f30000d2ee44b22c8ea919 + * (see expected error output) + * with the first 6 bytes being SQN ^ AK. + * K = EB215756028D60E3275E613320AEC880 + * OPC = FB2A3D1B360F599ABAB99DB8669F8308 + * RAND = 39fa2f4e3d523d8619a73b4f65c3e14d + * --milenage-f5--> + * AK = 8704f5ba55f3 + * + * The first six bytes are 8704f5ba55f3, + * and 8704f5ba55f3 ^ AK = 0. + * --> SQN = 0. + * + * Say the USIM doesn't like that, let's say it is at SQN 23. + * SQN_MS = 000000000017 + * + * AUTS = Conc(SQN_MS) || MAC-S + * Conc(SQN_MS) = SQN_MS ⊕ f5*[K](RAND) + * MAC-S = f1*[K] (SQN MS || RAND || AMF) + * + * f5*--> Conc(SQN_MS) = 000000000017 ^ 979498b1f73a + * = 979498b1f72d + * AMF = 0000 (TS 33.102 v7.0.0, 6.3.3) + * + * MAC-S = f1*[K] (000000000017 || 39fa2f4e3d523d8619a73b4f65c3e14d || 0000) + * = 3e28c59fa2e72f9c + * + * AUTS = 979498b1f72d || 3e28c59fa2e72f9c + */ +#if RECALC_AUTS + uint8_t ak[6]; + uint8_t akstar[6]; + uint8_t opc[16]; + uint8_t k[16]; + uint8_t rand[16]; + osmo_hexparse("EB215756028D60E3275E613320AEC880", k, sizeof(k)); + osmo_hexparse("FB2A3D1B360F599ABAB99DB8669F8308", opc, sizeof(opc)); + osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", rand, sizeof(rand)); + milenage_f2345(opc, k, rand, NULL, NULL, NULL, ak, akstar); + btw("ak = %s", osmo_hexdump_nospc(ak, sizeof(ak))); + btw("akstar = %s", osmo_hexdump_nospc(akstar, sizeof(akstar))); + + uint8_t sqn_ms[6] = { 0, 0, 0, 0, 0, 23 }; + uint8_t amf[2] = { 0 }; + uint8_t mac_s[8]; + milenage_f1(opc, k, rand, sqn_ms, amf, NULL, mac_s); + btw("mac_s = %s", osmo_hexdump_nospc(mac_s, sizeof(mac_s))); + /* verify valid AUTS resulting in SQN 23 with: + osmo-auc-gen -3 -a milenage -k EB215756028D60E3275E613320AEC880 \ + -o FB2A3D1B360F599ABAB99DB8669F8308 \ + -r 39fa2f4e3d523d8619a73b4f65c3e14d \ + -A 979498b1f72d3e28c59fa2e72f9c + */ +#endif + + btw("MS sends Authen Failure with Resync cause, VLR sends GSUP to HLR to resync"); + auth_request_sent = false; + gsup_expect_tx("08" /* OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST */ + "0108" "09710000000156f0" /* IMSI */ + "260e" "979498b1f72d3e28c59fa2e72f9c" /* AUTS */ + "2010" "39fa2f4e3d523d8619a73b4f65c3e14d" /* RAND */); + ms_sends_msg("051c" /* 05 = MM; 1c = Auth Failure */ + "15" /* cause = Synch Failure */ + "220e" "979498b1f72d3e28c59fa2e72f9c" /* AUTS */); + VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d"); + VERBOSE_ASSERT(auth_request_sent, == false, "%d"); + VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); + + btw("HLR replies with new tuples"); + auth_request_sent = false; + auth_request_expect_rand = "0f1feb1623e1bf626334e37ec448ac18"; + auth_request_expect_autn = "02a83f62e9470000660d51afc75f169d"; + gsup_rx("0a" + /* imsi */ + "0108" "09710000000156f0" + /* 1 auth vector */ + /* TL TL rand */ + "0362" "2010" "0f1feb1623e1bf626334e37ec448ac18" + /* TL sres TL kc */ + "2104" "efde99da" "2208" "14778c855c523730" + /* TL 3G IK */ + "2310" "8a90c769b7272f3bb7a1c1fbb1ea9349" + /* TL 3G CK */ + "2410" "43ffc1cf8c89a7fd6ab94bd8d6162cbf" + /* TL AUTN */ + "2510" "02a83f62e9470000660d51afc75f169d" + /* TL RES */ + "2708" "1df5f0b4f22b696e" + ,NULL); + + VERBOSE_ASSERT(auth_request_sent, == true, "%d"); + VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); + + btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR"); + gsup_expect_tx("04010809710000000156f0"); + ms_sends_msg("0554" "1df5f0b4" "2104" "f22b696e"); + 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); + + btw("LU was successful, and the conn has already been closed"); + VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); + EXPECT_CONN_COUNT(0); + + clear_vlr(); +} + +void test_umts_authen_resync_geran() +{ + comment_start(); + _test_umts_authen_resync(RAN_GERAN_A); + comment_end(); +} + +void test_umts_authen_resync_utran() +{ + comment_start(); + _test_umts_authen_resync(RAN_UTRAN_IU); + comment_end(); +} + +msc_vlr_test_func_t msc_vlr_tests[] = { + test_umts_authen_geran, + test_umts_authen_utran, + test_umts_authen_resync_geran, + test_umts_authen_resync_utran, + NULL +}; |