/* Osmocom MSC+VLR end-to-end tests */ /* (C) 2017 by sysmocom s.f.m.c. GmbH * * All Rights Reserved * * Author: Neels Hofmeyr * * 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 . * */ #include "msc_vlr_tests.h" static const struct osmo_gsm48_classmark classmark = { // TODO //bss_sends_bssap_mgmt("541203505886130b6014042f6503b8800d2100"); }; static void test_ciph() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); expect_bssap_clear(); gsup_rx("06010809710000004026f0" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); cm_service_result_sent = RES_NONE; auth_request_sent = false; auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b"; ms_sends_msg("05247403305886089910070000006402"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); btw("needs auth, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Authen Response, VLR accepts and requests Ciphering"); expect_cipher_mode_cmd("07fa7502e07e1c00"); ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept"); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); /* Release connection */ expect_bssap_clear(); conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS); btw("all requests serviced, conn has been released"); ran_sends_clear_complete(); 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, __func__); 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, __func__); vsub = NULL; VERBOSE_ASSERT(paging_sent, == true, "%d"); btw("the subscriber and its pending request should remain"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); vlr_subscr_put(vsub, __func__); btw("MS replies with Paging Response, and VLR sends Auth Request with third key"); auth_request_sent = false; auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42"; ms_sends_msg("06270703305882089910070000006402"); 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 requests Ciphering"); expect_cipher_mode_cmd("e2b234f807886400"); ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, 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 */ "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_ciphering_mode_complete(NULL); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); btw("SMS was delivered, no requests pending for subscr"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); vlr_subscr_put(vsub, __func__); 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"); expect_bssap_clear(); ms_sends_msg("890106020041020000"); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("SMS is done, conn is gone"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130089910070000006402"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_ciph_tmsi() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); net->vlr->cfg.assign_tmsi = true; btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, 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 Ciphering Mode Command to MS"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); gsup_rx("06010809710000004026f0" HLR_TO_VLR, NULL); btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl"); EXPECT_CONN_COUNT(1); VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); 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, __func__); 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, __func__); btw("MS sends TMSI Realloc Complete"); expect_bssap_clear(); ms_sends_msg("055b"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("LU was successful, and the conn has already been closed"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); btw("Subscriber has the new TMSI"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); VERBOSE_ASSERT(vsub != NULL, == true, "%d"); VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d"); VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x"); VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x"); vlr_subscr_put(vsub, __func__); BTW("after a while, a new conn sends a CM Service Request using above TMSI. VLR responds with Auth Req, 2nd auth vector"); cm_service_result_sent = RES_NONE; auth_request_sent = false; auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b"; auth_request_expect_autn = NULL; ms_sends_msg("05247403305886" "05f4" "03020100"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); btw("needs auth, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Authen Response, VLR accepts and requests Ciphering"); expect_cipher_mode_cmd("07fa7502e07e1c00"); ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept"); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); /* Release connection */ expect_bssap_clear(); conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS); btw("all requests serviced, conn has been released"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("an SMS is sent, MS is paged"); paging_expect_tmsi(0x03020100); paging_sent = false; vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100, __func__); 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, __func__); vsub = NULL; VERBOSE_ASSERT(paging_sent, == true, "%d"); btw("the subscriber and its pending request should remain"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); vlr_subscr_put(vsub, __func__); btw("MS replies with Paging Response using TMSI, and VLR sends Auth Request with third key"); auth_request_sent = false; auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42"; ms_sends_msg("06270703305882" "05f4" "03020100"); 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 requests Ciphering"); expect_cipher_mode_cmd("e2b234f807886400"); ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, 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 */ "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_ciphering_mode_complete(NULL); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); btw("SMS was delivered, no requests pending for subscr"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); vlr_subscr_put(vsub, __func__); 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"); expect_bssap_clear(); ms_sends_msg("890106020041020000"); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("SMS is done, conn is gone"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches, using TMSI"); expect_bssap_clear(); ms_sends_msg("050130" "05f4" "03020100"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_ciph_imei() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); net->vlr->cfg.check_imei_rqd = true; btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, 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 Ciphering Mode Command to MS"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS"); dtap_expect_tx("051802"); gsup_rx("06010809710000004026f0" HLR_TO_VLR, NULL); btw("We will only do business when the IMEI is known"); EXPECT_CONN_COUNT(1); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(vsub->imei[0], == 0, "%d"); vlr_subscr_put(vsub, __func__); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS replies with an Identity Response, VLR sends the IMEI to HLR"); gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR); ms_sends_msg("0559084a32244332244302"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("HLR accepts the IMEI"); expect_bssap_clear(); gsup_rx("32010809710000004026f0510100" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); btw("Subscriber has the IMEI"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(strcmp(vsub->imei, "42342342342342"), == 0, "%d"); vlr_subscr_put(vsub, __func__); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130089910070000006402"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_ciph_imeisv() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); net->vlr->cfg.retrieve_imeisv_ciphered = true; btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, 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 Ciphering Mode Command to MS"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_msg("05542d8b2c3e"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent_with_imeisv, == true, "%d"); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(vsub->imeisv[0], == 0, "%d"); vlr_subscr_put(vsub, __func__); btw("MS sends Ciphering Mode Complete with IMEISV, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete("063217094332244332244372f5"); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("Subscriber has the IMEISV"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(strcmp(vsub->imeisv, "4234234234234275"), == 0, "%d"); vlr_subscr_put(vsub, __func__); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); expect_bssap_clear(); gsup_rx("06010809710000004026f0" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130089910070000006402"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_ciph_tmsi_imei() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); net->vlr->cfg.assign_tmsi = true; net->vlr->cfg.check_imei_rqd = true; btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, 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 Ciphering Mode Command to MS"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS"); dtap_expect_tx("051802"); gsup_rx("06010809710000004026f0" HLR_TO_VLR, NULL); btw("We will only do business when the IMEI is known"); EXPECT_CONN_COUNT(1); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(vsub->imei[0], == 0, "%d"); vlr_subscr_put(vsub, __func__); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS replies with an Identity Response, VLR sends the IMEI to HLR"); gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR); ms_sends_msg("0559084a32244332244302"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("HLR accepts the IMEI"); gsup_rx("32010809710000004026f0510100" HLR_TO_VLR, NULL); btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl"); EXPECT_CONN_COUNT(1); VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); 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, __func__); 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, __func__); btw("MS sends TMSI Realloc Complete"); expect_bssap_clear(); ms_sends_msg("055b"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("LU was successful, and the conn has already been closed"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); btw("Subscriber has the IMEI and TMSI"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(strcmp(vsub->imei, "42342342342342"), == 0, "%d"); VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x"); vlr_subscr_put(vsub, __func__); BTW("subscriber detaches, using TMSI"); expect_bssap_clear(); ms_sends_msg("050130" "05f4" "03020100"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_gsm_ciph_in_umts_env() { struct vlr_subscr *vsub; const char *imsi = "901700000010650"; const char *sms = "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"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 1); rx_from_ran = OSMO_RAT_GERAN_A; btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("080108" "09710000000156f0" CN_DOMAIN VLR_TO_HLR); 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 *UMTS AKA* Auth Req to MS"); /* based on * 2G auth: COMP128v1 * KI=7bcd108be4c3d551ee6c67faaf52bd68 * 3G auth: MILENAGE * K=7bcd108be4c3d551ee6c67faaf52bd68 * OPC=6e23f641ce724679b73d933515a8589d * IND-bitlen=5 last-SQN=641 * Note that the SRES will be calculated by COMP128v1, separately from 3G tokens; * the resulting Kc to use for ciphering returned by the HLR is also calculated from COMP128v1. */ auth_request_sent = false; auth_request_expect_rand = "4ac8d1cd1a51937597ca1016fe69a0fa"; auth_request_expect_autn = "2d837d2b0d6f00004b282d5acf23428d"; gsup_rx("0a" /* imsi */ "0108" "09710000000156f0" /* 5 auth vectors... */ /* TL TL rand */ "0362" "2010" "4ac8d1cd1a51937597ca1016fe69a0fa" /* TL sres TL kc */ "2104" "dacc4b26" "2208" "7a75f0ac9b844400" /* TL 3G IK */ "2310" "3747da4e31545baa2db59e500bdae047" /* TL 3G CK */ "2410" "8544d35b945ccba01a7f1293575291c3" /* TL AUTN */ "2510" "2d837d2b0d6f00004b282d5acf23428d" /* TL RES */ "2708" "37527064741f8ddb" /* TL TL rand */ "0362" "2010" "b2661531b97b12c5a2edc21a0ed16fc5" "2104" "2fb4cfad" "2208" "da149b11d473f400" "2310" "3fe013b1a428ea737c37f8f0288c8edf" "2410" "f275438c02b97e4d6f639dddda3d10b9" "2510" "78cdd96c60840000322f421b3bb778b1" "2708" "ed3ebf9cb6ea48ed" "0362" "2010" "54d8f19778056666b41c8c25e52eb60c" "2104" "0ff61e0f" "2208" "26ec67fad3073000" "2310" "2868b0922c652616f1c975e3eaf7943a" "2410" "6a84a20b1bc13ec9840466406d2dd91e" "2510" "53f3e5632b3d00008865dd54d49663f2" "2708" "86e848a9e7ad8cd5" "0362" "2010" "1f05607ff9c8984f46ad97f8c9a94982" "2104" "91a36e3d" "2208" "5d84421884fdcc00" "2310" "2171fef54b81e30c83a598a5e44f634c" "2410" "f02d088697509827565b46938fece211" "2510" "1b43bbf9815e00001cb9b2a9f6b8a77c" "2708" "373e67d62e719c51" "0362" "2010" "80d89a58a2a41050918caf68a4e93c64" "2104" "a319f5f1" "2208" "883df2b867293000" "2310" "fa5d70f929ff298efb160413698dc107" "2410" "ae9a3d8ce70ce13bac297bdb91cd6c68" "2510" "5c0dc2eeaefa0000396882a1fe2cf80b" "2708" "65ab1cad216bfe87" HLR_TO_VLR, NULL); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends *GSM AKA* Authen Response, VLR accepts and sends Ciphering Mode Command to MS"); expect_cipher_mode_cmd("7a75f0ac9b844400"); ms_sends_msg("0554" "dacc4b26"); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000000156f00804032443f2" HLR_TO_VLR, "12010809710000000156f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); expect_bssap_clear(); gsup_rx("06010809710000000156f0" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("after a while, a new conn sends a CM Service Request. VLR responds with *UMTS AKA* Auth Req, 2nd auth vector"); auth_request_sent = false; auth_request_expect_rand = "b2661531b97b12c5a2edc21a0ed16fc5"; auth_request_expect_autn = "78cdd96c60840000322f421b3bb778b1"; cm_service_result_sent = RES_NONE; ms_sends_msg("052474" "03575886" /* classmark 2 */ "089910070000106005" /* IMSI */); 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 *GSM AKA* Authen Response, VLR accepts and requests Ciphering"); expect_cipher_mode_cmd("da149b11d473f400"); ms_sends_msg("0554" "2fb4cfad"); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept"); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); /* Release connection */ expect_bssap_clear(); conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS); btw("all requests serviced, conn has been released"); ran_sends_clear_complete(); 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, __func__); 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, __func__); vsub = NULL; VERBOSE_ASSERT(paging_sent, == true, "%d"); btw("the subscriber and its pending request should remain"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); vlr_subscr_put(vsub, __func__); btw("MS replies with Paging Response, and VLR sends *UMTS AKA* Auth Request with third key"); auth_request_sent = false; auth_request_expect_rand = "54d8f19778056666b41c8c25e52eb60c"; auth_request_expect_autn = "53f3e5632b3d00008865dd54d49663f2"; 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 *GSM AKA* Authen Response, VLR accepts and requests Ciphering"); expect_cipher_mode_cmd("26ec67fad3073000"); ms_sends_msg("0554" "0ff61e0f"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends pending SMS"); dtap_expect_tx(sms); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); btw("SMS was delivered, no requests pending for subscr"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); vlr_subscr_put(vsub, __func__); 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"); expect_bssap_clear(); ms_sends_msg("890106020041020000"); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("SMS is done, conn is gone"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130" "089910070000106005" /* IMSI */); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } static void test_a5_3_supported() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* implicit: net->authentication_required = true; */ net->a5_encryption_mask = (1 << 3); /* A5/3 */ btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); BTW("MS sends Authen Response, VLR accepts and wants to send Ciphering Mode Command to MS" " -- but needs Classmark 2 to determine whether A5/3 is supported"); cipher_mode_cmd_sent = false; ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(!cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("BSC sends back a BSSMAP Classmark Update, that triggers the Ciphering Mode Command in A5/3"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_classmark_update(&classmark); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804032443f2" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); expect_bssap_clear(); gsup_rx("06010809710000004026f0" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); cm_service_result_sent = RES_NONE; auth_request_sent = false; auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b"; ms_sends_msg("05247403305886089910070000006402"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); btw("needs auth, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Authen Response, VLR accepts and requests Ciphering. We already know Classmark 3," " so no need to request Classmark Update."); expect_cipher_mode_cmd("07fa7502e07e1c00"); ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept"); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); /* Release connection */ expect_bssap_clear(); conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS); btw("all requests serviced, conn has been released"); ran_sends_clear_complete(); 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, __func__); 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, __func__); vsub = NULL; VERBOSE_ASSERT(paging_sent, == true, "%d"); btw("the subscriber and its pending request should remain"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); vlr_subscr_put(vsub, __func__); btw("MS replies with Paging Response, and VLR sends Auth Request with third key"); auth_request_sent = false; auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42"; ms_sends_msg("06270703305882089910070000006402"); 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 requests Ciphering"); expect_cipher_mode_cmd("e2b234f807886400"); ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, 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_ciphering_mode_complete(NULL); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); btw("SMS was delivered, no requests pending for subscr"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); vlr_subscr_put(vsub, __func__); 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"); expect_bssap_clear(); ms_sends_msg("890106020041020000"); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("SMS is done, conn is gone"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130089910070000006402"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } /* During CM Service Request or Paging Response we already have Classmark 2 that indicates A5/3 * availability. Here, in a hacky way remove the knowledge of Classmark 2 to tickle a code path where * proc_arq_fsm needs a Classmark Update during Ciphering. Shouldn't happen in reality though. */ static void test_cm_service_needs_classmark_update() { struct vlr_subscr *vsub; const char *imsi = "901700000004620"; comment_start(); /* A5/3 support is indicated in Classmark 3. By configuring A5/3, trigger the code paths that * send a Classmark Request. */ net->a5_encryption_mask = (1 << 3); /* A5/3 */ /* implicit: net->authentication_required = true; */ btw("Location Update request causes a GSUP Send Auth Info request to HLR"); lu_result_sent = RES_NONE; gsup_expect_tx("08010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_msg("050802008168000130089910070000006402"); 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 a Ki of 000102030405060708090a0b0c0d0e0f */ auth_request_sent = false; auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b"; auth_request_expect_autn = NULL; gsup_rx("0a" /* imsi */ "0108" "09710000004026f0" /* 5 auth vectors... */ /* TL TL rand */ "0322" "2010" "585df1ae287f6e273dce07090d61320b" /* TL sres TL kc */ "2104" "2d8b2c3e" "2208" "61855fb81fc2a800" "0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b" "2104" "20bde240" "2208" "07fa7502e07e1c00" "0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42" "2104" "a29514ae" "2208" "e2b234f807886400" "0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51" "2104" "5afc8d72" "2208" "2392f14f709ae000" "0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc" "2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000" HLR_TO_VLR, NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); BTW("MS sends Authen Response, VLR accepts and wants to send Ciphering Mode Command to MS" " -- but needs Classmark 2 to determine whether A5/3 is supported"); cipher_mode_cmd_sent = false; ms_sends_msg("05542d8b2c3e"); OSMO_ASSERT(!cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("BSC sends back a BSSMAP Classmark Update, that triggers the Ciphering Mode Command in A5/3"); expect_cipher_mode_cmd("61855fb81fc2a800"); ms_sends_classmark_update(&classmark); OSMO_ASSERT(cipher_mode_cmd_sent); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR"); gsup_expect_tx("04010809710000004026f0" CN_DOMAIN VLR_TO_HLR); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); gsup_rx("10010809710000004026f00804032443f2" HLR_TO_VLR, "12010809710000004026f0" VLR_TO_HLR); VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); expect_bssap_clear(); gsup_rx("06010809710000004026f0" HLR_TO_VLR, 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"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); cm_service_result_sent = RES_NONE; auth_request_sent = false; auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b"; ms_sends_msg("05247403305886089910070000006402"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); btw("needs auth, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Authen Response, VLR accepts and requests Ciphering. We already know Classmark 3," " so no need to request Classmark Update."); expect_cipher_mode_cmd("07fa7502e07e1c00"); ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d"); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); thwart_rx_non_initial_requests(); btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept"); ms_sends_ciphering_mode_complete(NULL); VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); /* Release connection */ expect_bssap_clear(); conn_conclude_cm_service_req(g_msub, MSC_A_USE_CM_SERVICE_SMS); btw("all requests serviced, conn has been released"); ran_sends_clear_complete(); 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, __func__); 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, __func__); vsub = NULL; VERBOSE_ASSERT(paging_sent, == true, "%d"); btw("the subscriber and its pending request should remain"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); vlr_subscr_put(vsub, __func__); btw("MS replies with Paging Response, and VLR sends Auth Request with third key"); auth_request_sent = false; auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42"; ms_sends_msg("06270703305882089910070000006402"); VERBOSE_ASSERT(auth_request_sent, == true, "%d"); BTW("Fake a situation where Classmark 2 is unknown during proc_arq_fsm"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); vsub->classmark.classmark2_len = 0; vsub->classmark.classmark3_len = 0; vlr_subscr_put(vsub, __func__); btw("MS sends Authen Response, VLR accepts and requests Ciphering"); btw("MS sends Authen Response, VLR accepts and requests Ciphering." " Normally, we'd know Classmark 3, but this test removed it." " Hence a Classmark Request is generated."); cipher_mode_cmd_sent = false; ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */); OSMO_ASSERT(!cipher_mode_cmd_sent); btw("BSC sends back a BSSMAP Classmark Update, that triggers the Ciphering Mode Command in A5/3"); expect_cipher_mode_cmd("e2b234f807886400"); ms_sends_classmark_update(&classmark); OSMO_ASSERT(cipher_mode_cmd_sent); btw("needs ciph, not yet accepted"); EXPECT_ACCEPTED(false); btw("MS sends Ciphering Mode Complete, 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_ciphering_mode_complete(NULL); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); btw("SMS was delivered, no requests pending for subscr"); vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__); OSMO_ASSERT(vsub); VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); vlr_subscr_put(vsub, __func__); 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"); expect_bssap_clear(); ms_sends_msg("890106020041020000"); VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); btw("SMS is done, conn is gone"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); BTW("subscriber detaches"); expect_bssap_clear(); ms_sends_msg("050130089910070000006402"); VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); ran_sends_clear_complete(); EXPECT_CONN_COUNT(0); clear_vlr(); comment_end(); } msc_vlr_test_func_t msc_vlr_tests[] = { test_ciph, test_ciph_tmsi, test_ciph_imei, test_ciph_imeisv, test_ciph_tmsi_imei, test_gsm_ciph_in_umts_env, test_a5_3_supported, test_cm_service_needs_classmark_update, NULL };