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osmo-msc/tests/msc_vlr/msc_vlr_test_call.c

679 lines
22 KiB

/* 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"
#include <osmocom/msc/gsm_04_08.h>
#define mncc_sends_to_cc(MSG_TYPE, MNCC) do { \
(MNCC)->msg_type = MSG_TYPE; \
log("MSC <-- MNCC: callref 0x%x: %s\n%s", (MNCC)->callref, \
get_mncc_name((MNCC)->msg_type), \
(MNCC)->sdp); \
mncc_tx_to_cc(net, MNCC); \
} while(0)
/*
static void on_call_release_mncc_sends_to_cc(uint32_t msg_type, struct gsm_mncc *mncc)
{
mncc->msg_type = msg_type;
on_call_release_mncc_sends_to_cc_data = mncc;
}
*/
#define IMSI "901700000010650"
static void lu_utran_tmsi()
{
struct vlr_subscr *vsub;
net->authentication_required = true;
net->vlr->cfg.assign_tmsi = true;
rx_from_ran = OSMO_RAT_UTRAN_IU;
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 */
"09f107" "0017" /* 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"
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 SecurityModeControl");
expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef");
ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts and sends GSUP LU Req to HLR");
gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR);
ms_sends_security_mode_complete(1);
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" HLR_TO_VLR,
"12010809710000000156f0" VLR_TO_HLR);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
gsup_rx("06010809710000000156f0" HLR_TO_VLR, 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);
btw("MS sends TMSI Realloc Complete");
iu_release_expected = true;
iu_release_sent = false;
ms_sends_msg("055b");
VERBOSE_ASSERT(iu_release_sent, == true, "%d"); \
btw("LU was successful, and the conn has already been closed");
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__);
VERBOSE_ASSERT(vsub != NULL, == true, "%d");
VERBOSE_ASSERT(strcmp(vsub->imsi, IMSI), == 0, "%d");
VAL_ASSERT("LAC", vsub->cgi.lai.lac, == 23, "%u");
vlr_subscr_put(vsub, __func__);
}
static void test_call_mo()
{
struct gsm_mncc mncc = {
.imsi = IMSI,
};
comment_start();
fake_time_start();
lu_utran_tmsi();
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("052471"
"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);
/* On UTRAN */
btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
ms_sends_security_mode_complete(1);
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
BTW("a call is initiated");
btw("SETUP gets forwarded to MNCC");
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
"0406600402000581" /* Bearer Capability */
"5e038121f3" /* Called Number BCD */
"15020100" /* CC Capabilities */
"4008" /* Supported Codec List */
"04026000" /* UMTS: AMR 2 | AMR */
"00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */
);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
mncc.callref = cc_to_mncc_tx_got_callref;
btw("MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN");
expect_crcx(RTP_TO_RAN);
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
OSMO_ASSERT(got_crcx);
btw("MGW acknowledges the CRCX, triggering Assignment");
expect_iu_rab_assignment();
crcx_ok(RTP_TO_RAN);
OSMO_ASSERT(iu_rab_assignment_sent);
btw("Assignment succeeds, triggering CRCX to CN");
expect_crcx(RTP_TO_CN);
ms_sends_assignment_complete(CODEC_AMR_8000_1);
OSMO_ASSERT(got_crcx);
btw("CN RTP address is available, trigger MNCC_RTP_CREATE");
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
crcx_ok(RTP_TO_CN);
btw("MNCC says that's fine");
dtap_expect_tx("8302" /* CC: Call Proceeding */);
mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
fake_time_passes(1, 23);
btw("The other call leg got established (not shown here), MNCC tells us so");
dtap_expect_tx("8301" /* CC: Call Alerting */);
mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
dtap_expect_tx("8307" /* CC: Connect */);
mncc_sends_to_cc(MNCC_SETUP_RSP, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
fake_time_passes(1, 23);
cc_to_mncc_expect_tx("", MNCC_SETUP_COMPL_IND);
ms_sends_msg("03cf" /* CC: Connect Acknowledge */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
BTW("RTP stream goes ahead, not shown here.");
fake_time_passes(123, 45);
BTW("Call ends");
cc_to_mncc_expect_tx("", MNCC_DISC_IND);
ms_sends_msg("032502e090" /* CC: Disconnect, cause: Normal Call Clearing */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
dtap_expect_tx("832d" /* CC: Release */);
mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
cc_to_mncc_expect_tx("", MNCC_REL_CNF);
expect_iu_release();
ms_sends_msg("036a" /* CC: Release Complete */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
OSMO_ASSERT(iu_release_sent);
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_call_mt()
{
struct gsm_mncc mncc = {
.imsi = IMSI,
.callref = 0x423,
};
comment_start();
fake_time_start();
lu_utran_tmsi();
BTW("after a while, MNCC asks us to setup a call, causing Paging");
paging_expect_imsi(IMSI);
paging_sent = false;
mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc);
VERBOSE_ASSERT(paging_sent, == true, "%d");
btw("MS replies with Paging Response, and VLR sends Auth Request");
auth_request_sent = false;
auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
ms_sends_msg("062707"
"03575886" /* classmark 2 */
"089910070000106005" /* IMSI */);
VERBOSE_ASSERT(auth_request_sent, == true, "%d");
btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts, sends CC Setup");
dtap_expect_tx("0305" /* CC: Setup */);
ms_sends_security_mode_complete(1);
btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND");
expect_crcx(RTP_TO_RAN);
cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND);
ms_sends_msg("8348" /* CC: Call Confirmed */
"0406600402000581" /* Bearer Capability */
"15020100" /* Call Control Capabilities */
"40080402600400021f00" /* Supported Codec List */);
OSMO_ASSERT(got_crcx);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
btw("MNCC sends MNCC_RTP_CREATE");
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
btw("MGW acknowledges the CRCX to RAN, triggering Assignment");
expect_iu_rab_assignment();
crcx_ok(RTP_TO_RAN);
OSMO_ASSERT(iu_rab_assignment_sent);
btw("Assignment completes, triggering CRCX to CN");
expect_crcx(RTP_TO_CN);
ms_sends_assignment_complete(CODEC_AMR_8000_1);
OSMO_ASSERT(got_crcx);
btw("When the CN side RTP address is known, send MNCC_RTP_CREATE");
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
crcx_ok(RTP_TO_CN);
fake_time_passes(1, 23);
cc_to_mncc_expect_tx("", MNCC_ALERT_IND);
ms_sends_msg("8381" /* CC: Alerting */);
fake_time_passes(1, 23);
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF);
ms_sends_msg("83c7" /* CC: Connect */);
dtap_expect_tx("030f" /* CC: Connect Acknowledge */);
mncc_sends_to_cc(MNCC_SETUP_COMPL_REQ, &mncc);
BTW("RTP stream goes ahead, not shown here.");
fake_time_passes(123, 45);
BTW("Call ends");
cc_to_mncc_expect_tx("", MNCC_DISC_IND);
ms_sends_msg("832502e090" /* CC: Disconnect, cause: Normal Call Clearing */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
dtap_expect_tx("032d" /* CC: Release */);
mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
cc_to_mncc_expect_tx("", MNCC_REL_CNF);
expect_iu_release();
ms_sends_msg("836a" /* CC: Release Complete */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
OSMO_ASSERT(iu_release_sent);
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_call_mt2()
{
struct gsm_mncc mncc = {
.imsi = IMSI,
.callref = 0x423,
};
comment_start();
fake_time_start();
lu_utran_tmsi();
BTW("after a while, MNCC asks us to setup a call, causing Paging");
paging_expect_imsi(IMSI);
paging_sent = false;
mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc);
VERBOSE_ASSERT(paging_sent, == true, "%d");
btw("MS replies with Paging Response, and VLR sends Auth Request");
auth_request_sent = false;
auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
ms_sends_msg("062707"
"03575886" /* classmark 2 */
"089910070000106005" /* IMSI */);
VERBOSE_ASSERT(auth_request_sent, == true, "%d");
btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts, sends CC Setup");
dtap_expect_tx("0305" /* CC: Setup */);
ms_sends_security_mode_complete(1);
btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND");
expect_crcx(RTP_TO_RAN);
cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND);
ms_sends_msg("8348" /* CC: Call Confirmed */
"0406600402000581" /* Bearer Capability */
"15020100" /* Call Control Capabilities */
"40080402600400021f00" /* Supported Codec List */);
OSMO_ASSERT(got_crcx);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
btw("MNCC sends MNCC_RTP_CREATE");
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
btw("MGW acknowledges the CRCX to RAN, triggering Assignment");
expect_iu_rab_assignment();
crcx_ok(RTP_TO_RAN);
OSMO_ASSERT(iu_rab_assignment_sent);
btw("Assignment completes, triggering CRCX to CN");
expect_crcx(RTP_TO_CN);
ms_sends_assignment_complete(CODEC_AMR_8000_1);
OSMO_ASSERT(got_crcx);
btw("When the CN side RTP address is known, send MNCC_RTP_CREATE");
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
crcx_ok(RTP_TO_CN);
fake_time_passes(1, 23);
cc_to_mncc_expect_tx("", MNCC_ALERT_IND);
ms_sends_msg("8381" /* CC: Alerting */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
fake_time_passes(15, 23);
btw("The call failed, the BSC sends a BSSMAP Clear Request");
cc_to_mncc_expect_tx("", MNCC_REL_IND);
dtap_expect_tx("032d0802e1af"); /* CC: Release */
expect_iu_release();
msc_a_release_cn(msub_msc_a(g_msub));
OSMO_ASSERT(dtap_tx_confirmed);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
OSMO_ASSERT(iu_release_sent);
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
/* Make sure a pending release timer doesn't fire later to access freed data */
fake_time_passes(15, 23);
clear_vlr();
comment_end();
}
static void test_call_mo_to_unknown()
{
struct gsm_mncc mncc = {
.imsi = IMSI,
};
comment_start();
fake_time_start();
lu_utran_tmsi();
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("052471"
"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);
/* On UTRAN */
btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
ms_sends_security_mode_complete(1);
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
BTW("a call is initiated");
btw("SETUP gets forwarded to MNCC");
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
"0406600402000581" /* Bearer Capability */
"5e038121f3" /* Called Number BCD */
"15020100" /* CC Capabilities */
"4008" /* Supported Codec List */
"04026000" /* UMTS: AMR 2 | AMR */
"00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */
);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
mncc.callref = cc_to_mncc_tx_got_callref;
btw("MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN");
expect_crcx(RTP_TO_RAN);
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
OSMO_ASSERT(got_crcx);
btw("MGW acknowledges the CRCX, triggering Assignment");
expect_iu_rab_assignment();
crcx_ok(RTP_TO_RAN);
OSMO_ASSERT(iu_rab_assignment_sent);
btw("Assignment succeeds, triggering CRCX to CN");
expect_crcx(RTP_TO_CN);
ms_sends_assignment_complete(CODEC_AMR_8000_1);
OSMO_ASSERT(got_crcx);
btw("CN RTP address is available, trigger MNCC_RTP_CREATE");
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
crcx_ok(RTP_TO_CN);
btw("MNCC says that's fine");
dtap_expect_tx("8302" /* CC: Call Proceeding */);
mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
btw("But the other side's MSISDN could not be resolved, MNCC tells us to cancel");
dtap_expect_tx("832d" /* CC: Release Request */);
mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
dtap_expect_tx("832d" /* CC: Release Request */);
fake_time_passes(10, 23);
expect_iu_release();
cc_to_mncc_expect_tx("", MNCC_REL_CNF);
ms_sends_msg("036a" /* CC: Release Complete */);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
OSMO_ASSERT(iu_release_sent);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
static void test_call_mo_to_unknown_timeout()
{
struct gsm_mncc mncc = {
.imsi = IMSI,
};
comment_start();
fake_time_start();
lu_utran_tmsi();
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("052471"
"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);
/* On UTRAN */
btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
ms_sends_security_mode_complete(1);
VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
BTW("a call is initiated");
btw("SETUP gets forwarded to MNCC");
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
"0406600402000581" /* Bearer Capability */
"5e038121f3" /* Called Number BCD */
"15020100" /* CC Capabilities */
"4008" /* Supported Codec List */
"04026000" /* UMTS: AMR 2 | AMR */
"00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */
);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
mncc.callref = cc_to_mncc_tx_got_callref;
btw("MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN");
expect_crcx(RTP_TO_RAN);
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
OSMO_ASSERT(got_crcx);
btw("MGW acknowledges the CRCX, triggering Assignment");
expect_iu_rab_assignment();
crcx_ok(RTP_TO_RAN);
OSMO_ASSERT(iu_rab_assignment_sent);
btw("Assignment succeeds, triggering CRCX to CN");
expect_crcx(RTP_TO_CN);
ms_sends_assignment_complete(CODEC_AMR_8000_1);
OSMO_ASSERT(got_crcx);
btw("CN RTP address is available, trigger MNCC_RTP_CREATE");
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
crcx_ok(RTP_TO_CN);
btw("MNCC says that's fine");
dtap_expect_tx("8302" /* CC: Call Proceeding */);
mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc);
OSMO_ASSERT(dtap_tx_confirmed);
btw("But the other side's MSISDN could not be resolved, MNCC tells us to cancel");
dtap_expect_tx("832d" /* CC: Release Request */);
mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
btw("Despite our repeated CC Release Requests, the MS does not respond anymore");
dtap_expect_tx("832d" /* CC: Release Request */);
fake_time_passes(10, 23);
btw("The CC Release times out and we still properly clear the conn");
cc_to_mncc_expect_tx("", MNCC_REL_CNF);
expect_iu_release();
fake_time_passes(10, 23);
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
OSMO_ASSERT(iu_release_sent);
ran_sends_clear_complete();
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
msc_vlr_test_func_t msc_vlr_tests[] = {
test_call_mo,
test_call_mt,
test_call_mt2,
test_call_mo_to_unknown,
test_call_mo_to_unknown_timeout,
NULL
};