1679 lines
55 KiB
C
1679 lines
55 KiB
C
/* Osmocom MSC+VLR end-to-end tests */
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/* (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* All Rights Reserved
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*
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* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "msc_vlr_tests.h"
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#include <osmocom/msc/gsm_04_08.h>
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#include <osmocom/msc/codec_mapping.h>
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#define mncc_sends_to_cc(MSG_TYPE, MNCC) do { \
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(MNCC)->msg_type = MSG_TYPE; \
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log("MSC <-- MNCC: callref 0x%x: %s\n%s", (MNCC)->callref, \
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get_mncc_name((MNCC)->msg_type), \
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(MNCC)->sdp); \
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mncc_tx_to_cc(net, MNCC); \
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} while(0)
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/*
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static void on_call_release_mncc_sends_to_cc(uint32_t msg_type, struct gsm_mncc *mncc)
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{
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mncc->msg_type = msg_type;
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on_call_release_mncc_sends_to_cc_data = mncc;
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}
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*/
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#define IMSI "901700000010650"
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static void lu_utran_tmsi()
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{
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struct vlr_subscr *vsub;
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net->authentication_required = true;
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net->vlr->cfg.assign_tmsi = true;
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rx_from_ran = OSMO_RAT_UTRAN_IU;
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btw("Location Update request causes a GSUP Send Auth Info request to HLR");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("080108" "09710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_msg("0508" /* MM LU */
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"7" /* ciph key seq: no key available */
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"0" /* LU type: normal */
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"09f107" "0017" /* LAI, LAC */
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"57" /* classmark 1: R99, early classmark, no power lvl */
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"089910070000106005" /* IMSI */
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"3303575886" /* classmark 2 */
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);
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OSMO_ASSERT(gsup_tx_confirmed);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
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/* based on auc_3g:
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* K = 'EB215756028D60E3275E613320AEC880',
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* OPC = 'FB2A3D1B360F599ABAB99DB8669F8308'
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* SQN = 0
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*/
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auth_request_sent = false;
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auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d";
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auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919";
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gsup_rx("0a"
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/* imsi */
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"0108" "09710000000156f0"
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/* 5 auth vectors... */
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/* TL TL rand */
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"0362" "2010" "39fa2f4e3d523d8619a73b4f65c3e14d"
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/* TL sres TL kc */
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"2104" "9b36efdf" "2208" "059a4f668f6fbe39"
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/* TL 3G IK */
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"2310" "27497388b6cb044648f396aa155b95ef"
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/* TL 3G CK */
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"2410" "f64735036e5871319c679f4742a75ea1"
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/* TL AUTN */
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"2510" "8704f5ba55f30000d2ee44b22c8ea919"
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/* TL RES */
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"2708" "e229c19e791f2e41"
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/* TL TL rand */
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"0362" "2010" "c187a53a5e6b9d573cac7c74451fd46d"
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"2104" "85aa3130" "2208" "d3d50a000bf04f6e"
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"2310" "1159ec926a50e98c034a6b7d7c9f418d"
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"2410" "df3a03d9ca5335641efc8e36d76cd20b"
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"2510" "1843a645b98d00005b2d666af46c45d9"
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"2708" "7db47cf7f81e4dc7"
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"0362" "2010" "efa9c29a9742148d5c9070348716e1bb"
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"2104" "69d5f9fb" "2208" "3df176f0c29f1a3d"
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"2310" "eb50e770ddcc3060101d2f43b6c2b884"
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"2410" "76542abce5ff9345b0e8947f4c6e019c"
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"2510" "f9375e6d41e1000096e7fe4ff1c27e39"
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"2708" "706f996719ba609c"
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"0362" "2010" "f023d5a3b24726e0631b64b3840f8253"
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"2104" "d570c03f" "2208" "ec011be8919883d6"
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"2310" "c4e58af4ba43f3bcd904e16984f086d7"
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"2410" "0593f65e752e5cb7f473862bda05aa0a"
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"2510" "541ff1f077270000c5ea00d658bc7e9a"
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"2708" "3fd26072eaa2a04d"
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"0362" "2010" "2f8f90c780d6a9c0c53da7ac57b6707e"
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"2104" "b072446f220823f39f9f425ad6e6"
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"2310" "65af0527fda95b0dc5ae4aa515cdf32f"
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"2410" "537c3b35a3b13b08d08eeb28098f45cc"
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"2510" "4bf4e564f75300009bc796706bc65744"
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"2708" "0edb0eadbea94ac2"
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HLR_TO_VLR,
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NULL);
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef");
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ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts and sends GSUP LU Req to HLR");
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gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR);
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ms_sends_security_mode_complete(1);
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VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d");
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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gsup_rx("10010809710000000156f00804032443f2" HLR_TO_VLR,
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"12010809710000000156f0" VLR_TO_HLR);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
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gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL);
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VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
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btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
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EXPECT_CONN_COUNT(1);
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EXPECT_ACCEPTED(false);
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btw("MS sends TMSI Realloc Complete");
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iu_release_expected = true;
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iu_release_sent = false;
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ms_sends_msg("055b");
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VERBOSE_ASSERT(iu_release_sent, == true, "%d"); \
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btw("LU was successful, and the conn has already been closed");
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__);
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VERBOSE_ASSERT(vsub != NULL, == true, "%d");
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VERBOSE_ASSERT(strcmp(vsub->imsi, IMSI), == 0, "%d");
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VAL_ASSERT("LAC", vsub->cgi.lai.lac, == 23, "%u");
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vlr_subscr_put(vsub, __func__);
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}
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static void lu_geran_noauth(void)
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{
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rx_from_ran = OSMO_RAT_GERAN_A;
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net->authentication_required = false;
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net->vlr->cfg.assign_tmsi = false;
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btw("Location Update request causes a GSUP LU request to HLR");
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lu_result_sent = RES_NONE;
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gsup_expect_tx("04010809710000000156f0280102" VLR_TO_HLR);
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ms_sends_msg("0508" /* MM LU */
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"7" /* ciph key seq: no key available */
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"0" /* LU type: normal */
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"09f107" "0017" /* LAI, LAC */
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"57" /* classmark 1: R99, early classmark, no power lvl */
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"089910070000106005" /* IMSI */
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"3303575886" /* classmark 2 */
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);
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OSMO_ASSERT(gsup_tx_confirmed);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
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gsup_rx("10010809710000000156f00804036470f1" HLR_TO_VLR,
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"12010809710000000156f0" VLR_TO_HLR);
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VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
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btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
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expect_bssap_clear();
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gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL);
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btw("LU was successful, and the conn has already been closed");
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VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
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VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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}
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static void test_call_mo()
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{
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struct gsm_mncc mncc = {
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.imsi = IMSI,
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};
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struct gsm_mncc_rtp mncc_rtp = {};
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comment_start();
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fake_time_start();
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lu_utran_tmsi();
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BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
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auth_request_sent = false;
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auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
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auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
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cm_service_result_sent = RES_NONE;
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ms_sends_msg("052471"
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"03575886" /* classmark 2 */
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"089910070000106005" /* IMSI */);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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btw("needs auth, not yet accepted");
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EXPECT_ACCEPTED(false);
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/* On UTRAN */
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
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ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept");
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ms_sends_security_mode_complete(1);
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VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
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BTW("a call is initiated");
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btw("CC SETUP causes CRCX towards CN and RAN");
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expect_crcx(RTP_TO_CN);
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expect_crcx(RTP_TO_RAN);
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ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
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"0406600402000581" /* Bearer Capability */
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"5e038121f3" /* Called Number BCD */
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"15020100" /* CC Capabilities */
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"4008" /* Supported Codec List */
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"04026000" /* UMTS: AMR 2 | AMR */
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"00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */
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);
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OSMO_ASSERT(crcx_scheduled(RTP_TO_CN));
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OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
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btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered");
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cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
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crcx_ok(RTP_TO_CN);
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OSMO_ASSERT(cc_to_mncc_tx_confirmed);
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mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref;
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btw("MNCC replies with MNCC_RTP_CREATE");
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mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
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btw("MGW acknowledges the CRCX, triggering Assignment");
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expect_iu_rab_assignment();
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crcx_ok(RTP_TO_RAN);
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OSMO_ASSERT(iu_rab_assignment_sent);
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btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC");
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cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
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ms_sends_assignment_complete("AMR");
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OSMO_ASSERT(cc_to_mncc_tx_confirmed);
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btw("MNCC says that's fine");
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dtap_expect_tx("8302" /* CC: Call Proceeding */);
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mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc);
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OSMO_ASSERT(dtap_tx_confirmed);
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fake_time_passes(1, 23);
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btw("The other call leg got established (not shown here), MNCC tells us so");
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dtap_expect_tx("8301" /* CC: Call Alerting */);
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mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc);
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OSMO_ASSERT(dtap_tx_confirmed);
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dtap_expect_tx("8307" /* CC: Connect */);
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mncc_sends_to_cc(MNCC_SETUP_RSP, &mncc);
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OSMO_ASSERT(dtap_tx_confirmed);
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fake_time_passes(1, 23);
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cc_to_mncc_expect_tx("", MNCC_SETUP_COMPL_IND);
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ms_sends_msg("03cf" /* CC: Connect Acknowledge */);
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OSMO_ASSERT(cc_to_mncc_tx_confirmed);
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BTW("RTP stream goes ahead, not shown here.");
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fake_time_passes(123, 45);
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BTW("Call ends");
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cc_to_mncc_expect_tx("", MNCC_DISC_IND);
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ms_sends_msg("032502e090" /* CC: Disconnect, cause: Normal Call Clearing */);
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OSMO_ASSERT(cc_to_mncc_tx_confirmed);
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dtap_expect_tx("832d" /* CC: Release */);
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mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
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OSMO_ASSERT(dtap_tx_confirmed);
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cc_to_mncc_expect_tx("", MNCC_REL_CNF);
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expect_iu_release();
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ms_sends_msg("036a" /* CC: Release Complete */);
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OSMO_ASSERT(cc_to_mncc_tx_confirmed);
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OSMO_ASSERT(iu_release_sent);
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ran_sends_clear_complete();
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EXPECT_CONN_COUNT(0);
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clear_vlr();
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comment_end();
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}
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static void test_call_mt()
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{
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struct gsm_mncc mncc = {
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.imsi = IMSI,
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.callref = 0x423,
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.fields = MNCC_F_BEARER_CAP,
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.bearer_cap = {
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.speech_ver = {
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GSM48_BCAP_SV_AMR_F,
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GSM48_BCAP_SV_EFR,
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GSM48_BCAP_SV_FR,
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GSM48_BCAP_SV_AMR_H,
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GSM48_BCAP_SV_HR,
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-1 },
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},
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/* NOTE: below SDP includes only AMR, above bearer_cap includes more codecs. Ideally, these would match,
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* but in reality the bearer cap in MNCC was never implemented properly. This test shows that above
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* bearer_cap is ignored when SDP is present: In the CC Setup below, the Bearer Capability is only
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* "04 03 60 04 85" with speech versions '04' == GSM48_BCAP_SV_AMR_F and '05' == GSM48_BCAP_SV_AMR_H.
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*/
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.sdp = "v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 10.23.23.1\r\n"
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"t=0 0\r\n"
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"m=audio 23 RTP/AVP 112\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1\r\n"
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"a=ptime:20\r\n",
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};
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struct gsm_mncc_rtp mncc_rtp = {
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.callref = 0x423,
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};
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comment_start();
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fake_time_start();
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lu_utran_tmsi();
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BTW("after a while, MNCC asks us to setup a call, causing Paging");
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paging_expect_imsi(IMSI);
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paging_sent = false;
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mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc);
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mncc.sdp[0] = '\0';
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VERBOSE_ASSERT(paging_sent, == true, "%d");
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btw("MS replies with Paging Response, and VLR sends Auth Request");
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auth_request_sent = false;
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auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
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auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
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ms_sends_msg("062707"
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"03575886" /* classmark 2 */
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"089910070000106005" /* IMSI */);
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VERBOSE_ASSERT(auth_request_sent, == true, "%d");
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btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl");
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expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d");
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ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
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VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d");
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btw("MS sends SecurityModeControl acceptance, VLR accepts, sends CC Setup");
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dtap_expect_tx("0305" /* CC: Setup */ "04 03 60 04 85" /* Bearer Cap, speech ver of AMR-FR and AMR-HR */);
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ms_sends_security_mode_complete(1);
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btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND");
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expect_crcx(RTP_TO_CN);
|
|
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(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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("AMR");
|
|
|
|
btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP");
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE with full SDP");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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(1, 23);
|
|
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF);
|
|
ms_sends_msg("83c7" /* CC: Connect */);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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,
|
|
.fields = MNCC_F_BEARER_CAP,
|
|
.bearer_cap = {
|
|
.speech_ver = { GSM48_BCAP_SV_FR, -1, },
|
|
},
|
|
/* NOTE: below SDP includes only AMR, above bearer_cap includes only GSM-FR. Ideally, these would match,
|
|
* but in reality the bearer cap in MNCC was never implemented properly. This test shows that above
|
|
* bearer_cap is ignored when SDP is present: In the CC Setup below, the Bearer Capability is only
|
|
* "04 03 60 04 85" with speech versions '04' == GSM48_BCAP_SV_AMR_F and '05' == GSM48_BCAP_SV_AMR_H.
|
|
*/
|
|
.sdp = "v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 10.23.23.1\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 23 RTP/AVP 112\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=ptime:20\r\n",
|
|
};
|
|
|
|
struct gsm_mncc_rtp mncc_rtp = {
|
|
.callref = 0x423,
|
|
.sdp = "v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 10.23.23.1\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 23 RTP/AVP 112\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=ptime:20\r\n",
|
|
};
|
|
|
|
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 */ "04 03 60 04 85" /* Bearer Cap, speech ver of AMR-FR and AMR-HR */);
|
|
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_CN);
|
|
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(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP");
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
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");
|
|
ms_sends_assignment_complete("AMR");
|
|
|
|
btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE with full SDP");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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,
|
|
};
|
|
|
|
struct gsm_mncc_rtp mncc_rtp = {};
|
|
|
|
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("CC SETUP causes CRCX towards CN and RAN");
|
|
expect_crcx(RTP_TO_CN);
|
|
expect_crcx(RTP_TO_RAN);
|
|
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(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
|
|
btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered");
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref;
|
|
|
|
btw("MNCC replies with MNCC_RTP_CREATE");
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
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 MNCC_RTP_CREATE ack to MNCC");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
ms_sends_assignment_complete("AMR");
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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(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,
|
|
};
|
|
struct gsm_mncc_rtp mncc_rtp = {};
|
|
|
|
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("CC SETUP causes CRCX towards CN and RAN");
|
|
expect_crcx(RTP_TO_CN);
|
|
expect_crcx(RTP_TO_RAN);
|
|
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(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
|
|
btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered");
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref;
|
|
|
|
btw("MNCC replies with MNCC_RTP_CREATE");
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
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 MNCC_RTP_CREATE ack to MNCC");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
ms_sends_assignment_complete("AMR");
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
|
|
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();
|
|
}
|
|
|
|
#define LIST_END 0xffff
|
|
|
|
struct codec_test {
|
|
const char *desc;
|
|
|
|
/* What to send during Complete Layer 3 as Codec List (BSS Supported). List ends with a LIST_END entry */
|
|
struct gsm0808_speech_codec mo_rx_compl_l3_codec_list_bss_supported[8];
|
|
|
|
/* What to send during CC Setup as MS Bearer Capability. List ends with a LIST_END entry */
|
|
enum gsm48_bcap_speech_ver mo_rx_ms_bcap[8];
|
|
|
|
/* What codecs should osmo-msc send in the MNCC_SETUP_IND message.
|
|
* Just the SDP subtype names like "GSM", "GSM-EFR", "AMR", ..., list ends with NULL entry */
|
|
const char *mo_tx_sdp_mncc_setup_ind[16];
|
|
|
|
/* What codecs the remote call leg should send as SDP via MNCC during MNCC_RTP_CREATE (if any). */
|
|
const char *mo_rx_sdp_mncc_rtp_create[16];
|
|
|
|
/* What the MSC should send as Channel Type IE in the Assignment Command to the BSS. List ends with a
|
|
* LIST_END entry */
|
|
enum gsm0808_permitted_speech mo_tx_assignment_perm_speech[8];
|
|
|
|
/* What codec to assign in the Assignment Complete's Codec (Chosen) IE. Just a subtype name. */
|
|
const char *mo_rx_assigned_codec;
|
|
|
|
/* MO acks the MNCC_RTP_CREATE with these codecs (if any). */
|
|
const char *mo_tx_sdp_mncc_rtp_create[16];
|
|
bool mo_tx__ignore_pt_nrs;
|
|
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
#define mt_rx_sdp_mncc_setup_req mo_tx_sdp_mncc_rtp_create
|
|
|
|
struct gsm0808_speech_codec mt_rx_compl_l3_codec_list_bss_supported[8];
|
|
bool expect_codec_mismatch_on_paging_response;
|
|
enum gsm48_bcap_speech_ver mt_tx_cc_setup_bcap[8];
|
|
enum gsm48_bcap_speech_ver mt_rx_ms_bcap[8];
|
|
bool expect_codec_mismatch_on_cc_call_conf;
|
|
const char *mt_tx_sdp_mncc_call_conf_ind[16];
|
|
|
|
enum gsm0808_permitted_speech mt_tx_assignment_perm_speech[8];
|
|
const char *mt_rx_assigned_codec;
|
|
|
|
const char *mt_rx_sdp_mncc_rtp_create[16];
|
|
|
|
const char *mt_tx_sdp_mncc_rtp_create[16];
|
|
const char *mt_tx_sdp_mncc_alert_ind[16];
|
|
bool mt_tx__ignore_pt_nrs;
|
|
|
|
bool mo_expect_reassignment;
|
|
enum gsm0808_permitted_speech mo_tx_reassignment_perm_speech[8];
|
|
const char *mo_rx_reassigned_codec;
|
|
|
|
const char *mt_tx_sdp_mncc_setup_cnf[16];
|
|
const char *mt_rx_sdp_mncc_setup_compl_req[16];
|
|
|
|
/* mo_rx_sdp_mncc_alert_req == mt_tx_sdp_mncc_alert_ind */
|
|
#define mo_rx_sdp_mncc_alert_req mt_tx_sdp_mncc_alert_ind
|
|
#define mo_rx_sdp_mncc_setup_rsp mt_tx_sdp_mncc_alert_ind
|
|
|
|
const char *mo_tx_sdp_mncc_setup_compl_ind[16];
|
|
};
|
|
|
|
/* define a struct gsm0808_speech_codec */
|
|
#define SC(TYPE, CFG) { .fi = true, .type = TYPE, .cfg = CFG }
|
|
|
|
/* define a struct gsm0808_speech_codec list[] */
|
|
#define CODEC_LIST_ALL_GSM { \
|
|
SC(GSM0808_SCT_FR1, 0), \
|
|
SC(GSM0808_SCT_FR2, 0), \
|
|
SC(GSM0808_SCT_FR3, GSM0808_SC_CFG_DEFAULT_FR_AMR), \
|
|
SC(GSM0808_SCT_HR1, 0), \
|
|
SC(GSM0808_SCT_HR3, GSM0808_SC_CFG_DEFAULT_HR_AMR), \
|
|
}
|
|
|
|
#define BCAP_ALL_GSM { \
|
|
GSM48_BCAP_SV_AMR_F, \
|
|
GSM48_BCAP_SV_AMR_H, \
|
|
GSM48_BCAP_SV_EFR, \
|
|
GSM48_BCAP_SV_FR, \
|
|
GSM48_BCAP_SV_HR, \
|
|
LIST_END \
|
|
}
|
|
|
|
#define PERM_SPEECH_ALL_GSM { \
|
|
GSM0808_PERM_FR3, \
|
|
GSM0808_PERM_HR3, \
|
|
GSM0808_PERM_FR2, \
|
|
GSM0808_PERM_FR1, \
|
|
GSM0808_PERM_HR1, \
|
|
LIST_END \
|
|
}
|
|
|
|
#define SDP_CODECS_ALL_GSM \
|
|
{ \
|
|
"AMR:octet-align=1;mode-set=0,2,4,7#112", \
|
|
"AMR:octet-align=1;mode-set=7#114", \
|
|
"AMR:octet-align=1;mode-set=0,2,4#115", \
|
|
"AMR:mode-set=0,2,4,7#116", \
|
|
"AMR:mode-set=7#117", \
|
|
"AMR:mode-set=0,2,4#118", \
|
|
"GSM-EFR#110", \
|
|
"GSM#3", \
|
|
"GSM-HR-08#111", \
|
|
}
|
|
|
|
#define SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS \
|
|
{ \
|
|
"AMR:octet-align=1;mode-set=0,2,4,7#127", \
|
|
"AMR:octet-align=1;mode-set=7#126", \
|
|
"AMR:octet-align=1;mode-set=0,2,4#125", \
|
|
"AMR:mode-set=0,2,4,7#124", \
|
|
"AMR:mode-set=7#123", \
|
|
"AMR:mode-set=0,2,4#122", \
|
|
"GSM-EFR#110", \
|
|
"GSM#3", \
|
|
"GSM-HR-08#111", \
|
|
}
|
|
|
|
static const struct codec_test codec_tests[] = {
|
|
{
|
|
.desc = "AMR picked by both MO and MT",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
|
|
.mo_rx_assigned_codec = "AMR",
|
|
.mo_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM,
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = {
|
|
GSM48_BCAP_SV_AMR_F,
|
|
GSM48_BCAP_SV_AMR_H,
|
|
GSM48_BCAP_SV_EFR,
|
|
GSM48_BCAP_SV_FR,
|
|
GSM48_BCAP_SV_HR,
|
|
LIST_END
|
|
},
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = {
|
|
GSM0808_PERM_FR3,
|
|
GSM0808_PERM_HR3,
|
|
GSM0808_PERM_FR2,
|
|
GSM0808_PERM_FR1,
|
|
GSM0808_PERM_HR1,
|
|
LIST_END
|
|
},
|
|
.mt_rx_assigned_codec = "AMR",
|
|
.mt_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM,
|
|
.mt_tx_sdp_mncc_alert_ind = SDP_CODECS_ALL_GSM,
|
|
.mt_tx_sdp_mncc_setup_cnf = SDP_CODECS_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = { SC(GSM0808_SCT_FR1, 0) },
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = { "GSM#3" },
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
|
|
.mo_rx_assigned_codec = "GSM",
|
|
.mo_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END },
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
|
|
.mt_rx_assigned_codec = "GSM",
|
|
.mt_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_alert_ind = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_setup_cnf = { "GSM#3" },
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "FR1 picked by MO from Bearer Cap, MT hence also picks FR1",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = { GSM48_BCAP_SV_FR, LIST_END },
|
|
.mo_tx_sdp_mncc_setup_ind = { "GSM#3" },
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
|
|
.mo_rx_assigned_codec = "GSM",
|
|
.mo_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END },
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
|
|
.mt_rx_assigned_codec = "GSM",
|
|
.mt_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_alert_ind = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_setup_cnf = { "GSM#3" },
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "FR1 picked by MT's Codec List (BSS Supported), hence MO re-assigns to FR1",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
|
|
.mo_rx_assigned_codec = "AMR", /* <- Early Assignment first picks a mismatching codec */
|
|
.mo_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM,
|
|
|
|
/* This is the codec limitation this test verifies, Codec List (BSS Supported): */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = { SC(GSM0808_SCT_FR1, 0) },
|
|
|
|
/* from above codec list, MSC derives the limited bcap sent in CC Setup to MS */
|
|
.mt_tx_cc_setup_bcap = {
|
|
GSM48_BCAP_SV_FR,
|
|
LIST_END
|
|
},
|
|
/* MS could do more, but it doesn't affect the choice of FR1 */
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = {
|
|
GSM0808_PERM_FR1,
|
|
LIST_END
|
|
},
|
|
.mt_rx_assigned_codec = "GSM",
|
|
.mt_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_alert_ind = { "GSM#3" },
|
|
|
|
.mo_expect_reassignment = true,
|
|
.mo_tx_reassignment_perm_speech = {
|
|
GSM0808_PERM_FR1,
|
|
LIST_END
|
|
},
|
|
.mo_rx_reassigned_codec = "GSM",
|
|
|
|
.mt_tx_sdp_mncc_setup_cnf = { "GSM#3" },
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "FR1 picked by MT's MS Bearer Capability, hence MO re-assigns to FR1",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
|
|
.mo_rx_assigned_codec = "AMR", /* <- Early Assignment first picks a mismatching codec */
|
|
.mo_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM,
|
|
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = BCAP_ALL_GSM,
|
|
|
|
/* This is the codec limitation this test verifies: */
|
|
.mt_rx_ms_bcap = {
|
|
GSM48_BCAP_SV_FR,
|
|
LIST_END
|
|
},
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = {
|
|
GSM0808_PERM_FR1,
|
|
LIST_END
|
|
},
|
|
.mt_rx_assigned_codec = "GSM",
|
|
.mt_tx_sdp_mncc_rtp_create = { "GSM#3" },
|
|
.mt_tx_sdp_mncc_alert_ind = { "GSM#3" },
|
|
|
|
.mo_expect_reassignment = true,
|
|
.mo_tx_reassignment_perm_speech = {
|
|
GSM0808_PERM_FR1,
|
|
LIST_END
|
|
},
|
|
.mo_rx_reassigned_codec = "GSM",
|
|
|
|
.mt_tx_sdp_mncc_setup_cnf = { "GSM#3" },
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "AMR picked by both MO and MT, but MT assigns a different payload type number",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
|
|
.mo_rx_assigned_codec = "AMR",
|
|
.mo_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM,
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = {
|
|
GSM48_BCAP_SV_AMR_F,
|
|
GSM48_BCAP_SV_AMR_H,
|
|
GSM48_BCAP_SV_EFR,
|
|
GSM48_BCAP_SV_FR,
|
|
GSM48_BCAP_SV_HR,
|
|
LIST_END
|
|
},
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = {
|
|
GSM0808_PERM_FR3,
|
|
GSM0808_PERM_HR3,
|
|
GSM0808_PERM_FR2,
|
|
GSM0808_PERM_FR1,
|
|
GSM0808_PERM_HR1,
|
|
LIST_END
|
|
},
|
|
.mt_rx_assigned_codec = "AMR",
|
|
|
|
/* We want to test how osmo-msc reacts to a peer using different payload type nrs. So below SDP string
|
|
* features odd numbers that osmo-msc would never pick.
|
|
* But, the below SDP string serves two purposes:
|
|
* - feed this to osmo-msc when it is MO.
|
|
* - *validate* what osmo-msc sends when it is MT.
|
|
* The validation step will fail on the MT side, but we still want to feed this SDP to MO.
|
|
* By the flag ...__ignore_pt_nrs = true, we skip validation of the payload type numbers and can pass
|
|
* this SDP without the test failing.
|
|
*/
|
|
.mt_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mt_tx__ignore_pt_nrs = true,
|
|
|
|
.mt_tx_sdp_mncc_alert_ind = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mt_tx_sdp_mncc_setup_cnf = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
|
|
{
|
|
.desc = "AMR picked by both MO and MT, but MO assigns a different payload type number",
|
|
.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mo_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
|
|
.mo_rx_sdp_mncc_rtp_create = {},
|
|
.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
|
|
.mo_rx_assigned_codec = "AMR",
|
|
/* We want to test how osmo-msc reacts to a peer using different payload type nrs. So below SDP string
|
|
* features odd numbers that osmo-msc would never pick.
|
|
* But, the below SDP string serves two purposes:
|
|
* - feed this to osmo-msc when it is MO.
|
|
* - *validate* what osmo-msc sends when it is MT.
|
|
* The validation step will fail on the MT side, but we still want to feed this SDP to MO.
|
|
* By the flag ...__ignore_pt_nrs = true, we skip validation of the payload type numbers and can pass
|
|
* this SDP without the test failing.
|
|
*/
|
|
.mo_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mo_tx__ignore_pt_nrs = true,
|
|
/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
|
|
.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
|
|
.mt_tx_cc_setup_bcap = {
|
|
GSM48_BCAP_SV_AMR_F,
|
|
GSM48_BCAP_SV_AMR_H,
|
|
GSM48_BCAP_SV_EFR,
|
|
GSM48_BCAP_SV_FR,
|
|
GSM48_BCAP_SV_HR,
|
|
LIST_END
|
|
},
|
|
.mt_rx_ms_bcap = BCAP_ALL_GSM,
|
|
.mt_tx_sdp_mncc_call_conf_ind = {},
|
|
.mt_rx_sdp_mncc_rtp_create = {},
|
|
.mt_tx_assignment_perm_speech = {
|
|
GSM0808_PERM_FR3,
|
|
GSM0808_PERM_HR3,
|
|
GSM0808_PERM_FR2,
|
|
GSM0808_PERM_FR1,
|
|
GSM0808_PERM_HR1,
|
|
LIST_END
|
|
},
|
|
.mt_rx_assigned_codec = "AMR",
|
|
.mt_tx_sdp_mncc_rtp_create = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mt_tx_sdp_mncc_alert_ind = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mt_tx_sdp_mncc_setup_cnf = SDP_CODECS_ALL_GSM_WITH_ODD_PT_NRS,
|
|
.mo_tx_sdp_mncc_setup_compl_ind = {},
|
|
},
|
|
};
|
|
|
|
static char namebuf[4][1024];
|
|
static int use_namebuf = 0;
|
|
|
|
static const char *codec_list_name(const struct gsm0808_speech_codec compl_l3_codec_list_bss_supported[])
|
|
{
|
|
struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
|
|
use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
|
|
|
|
const struct gsm0808_speech_codec *pos;
|
|
sb.buf[0] = '\0';
|
|
for (pos = compl_l3_codec_list_bss_supported; pos->fi; pos++) {
|
|
OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_speech_codec_type_name(pos->type));
|
|
if (pos->cfg)
|
|
OSMO_STRBUF_PRINTF(sb, ":%x", pos->cfg);
|
|
}
|
|
return sb.buf;
|
|
}
|
|
|
|
static const struct gsm0808_speech_codec_list *codec_list(const struct gsm0808_speech_codec compl_l3_codec_list_bss_supported[])
|
|
{
|
|
static struct gsm0808_speech_codec_list scl;
|
|
scl = (struct gsm0808_speech_codec_list){};
|
|
const struct gsm0808_speech_codec *pos;
|
|
for (pos = compl_l3_codec_list_bss_supported; pos->fi; pos++) {
|
|
scl.codec[scl.len] = *pos;
|
|
scl.len++;
|
|
}
|
|
return &scl;
|
|
}
|
|
|
|
static const char *bcap_name(const enum gsm48_bcap_speech_ver ms_bcap[])
|
|
{
|
|
struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
|
|
use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
|
|
|
|
const enum gsm48_bcap_speech_ver *pos;
|
|
sb.buf[0] = '\0';
|
|
for (pos = ms_bcap; *pos != LIST_END; pos++) {
|
|
const struct codec_mapping *m = codec_mapping_by_speech_ver(*pos);
|
|
OSMO_STRBUF_PRINTF(sb, " %s", m ? m->sdp.subtype_name : "NULL");
|
|
}
|
|
return sb.buf;
|
|
}
|
|
|
|
static const char *perm_speech_name(const enum gsm0808_permitted_speech perm_speech[])
|
|
{
|
|
struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
|
|
use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
|
|
|
|
const enum gsm0808_permitted_speech *pos;
|
|
sb.buf[0] = '\0';
|
|
for (pos = perm_speech; *pos != LIST_END; pos++)
|
|
OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_permitted_speech_name(*pos));
|
|
return sb.buf;
|
|
}
|
|
|
|
static const char *strlist_name(const char *const*strs)
|
|
{
|
|
struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
|
|
use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
|
|
|
|
const char * const *pos;
|
|
sb.buf[0] = '\0';
|
|
for (pos = strs; *pos != NULL; pos++)
|
|
OSMO_STRBUF_PRINTF(sb, " %s", *pos);
|
|
return sb.buf;
|
|
}
|
|
|
|
/* Validate that the codecs in sdp_str appear in the order as expected by the list of subtype names in expected_codecs.
|
|
* Ignore any payload type numbers ("#96") in expected_codecs.
|
|
*/
|
|
static bool validate_sdp(const char *func, const char *desc,
|
|
const char *sdp_str, const char * const expected_codecs[], bool cmp_payload_type)
|
|
{
|
|
const char * const *expect_pos;
|
|
struct sdp_audio_codec *codec;
|
|
struct sdp_msg sdp;
|
|
if (sdp_msg_from_sdp_str(&sdp, sdp_str)) {
|
|
BTW("%s: %s: ERROR: failed to parse SDP\n%s", func, desc, sdp_str);
|
|
return false;
|
|
}
|
|
|
|
expect_pos = expected_codecs;
|
|
sdp_audio_codecs_foreach(codec, &sdp.audio_codecs) {
|
|
struct sdp_audio_codec xc;
|
|
|
|
if (!*expect_pos) {
|
|
BTW("%s: %s: ERROR: did not expect %s", func, desc, codec->subtype_name);
|
|
return false;
|
|
}
|
|
|
|
if (sdp_audio_codec_from_str(&xc, *expect_pos)) {
|
|
BTW("%s: %s: ERROR: cannot parse %s", func, desc, codec->subtype_name);
|
|
return false;
|
|
}
|
|
|
|
if (sdp_audio_codec_cmp(&xc, codec, true, cmp_payload_type)) {
|
|
BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s, got %s", func, desc,
|
|
(int)(expect_pos - expected_codecs), sdp_audio_codec_to_str(&xc),
|
|
sdp_audio_codec_to_str(codec));
|
|
return false;
|
|
}
|
|
expect_pos++;
|
|
}
|
|
if (*expect_pos) {
|
|
BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc, *expect_pos);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#define VALIDATE_SDP(GOT_SDP_STR, EXPECT_SDP_STR, CMP_PAYLOAD_TYPE) do { \
|
|
if (validate_sdp(__func__, t->desc, GOT_SDP_STR, EXPECT_SDP_STR, CMP_PAYLOAD_TYPE)) { \
|
|
btw("VALIDATE_SDP OK: " #GOT_SDP_STR " == " #EXPECT_SDP_STR " ==%s", strlist_name(EXPECT_SDP_STR)); \
|
|
} else { \
|
|
btw("Failed to validate SDP:\nexpected%s\ngot\n%s", \
|
|
strlist_name(EXPECT_SDP_STR), GOT_SDP_STR); \
|
|
OSMO_ASSERT(false); \
|
|
} \
|
|
} while (0)
|
|
|
|
static bool validate_perm_speech(const char *func, const char *desc,
|
|
const struct gsm0808_channel_type *ct,
|
|
const enum gsm0808_permitted_speech perm_speech[])
|
|
{
|
|
const enum gsm0808_permitted_speech *pos;
|
|
const uint8_t *pos2 = ct->perm_spch;
|
|
for (pos = perm_speech; *pos != LIST_END; pos++, pos2++) {
|
|
if (pos2 - ct->perm_spch >= ct->perm_spch_len) {
|
|
BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc,
|
|
gsm0808_permitted_speech_name(*pos));
|
|
return false;
|
|
}
|
|
if (*pos2 != *pos) {
|
|
BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s", func, desc,
|
|
(int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos));
|
|
btw("in idx %d, got %s", (int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos2));
|
|
return false;
|
|
}
|
|
}
|
|
if (pos2 - ct->perm_spch < ct->perm_spch_len) {
|
|
BTW("%s: %s: ERROR: did not expect %s", func, desc, gsm0808_permitted_speech_name(*pos2));
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#define VALIDATE_PERM_SPEECH(GOT_PERM_SPEECH, EXPECT_PERM_SPEECH) do { \
|
|
if (validate_perm_speech(__func__, t->desc, GOT_PERM_SPEECH, EXPECT_PERM_SPEECH)) { \
|
|
btw("VALIDATE_PERM_SPEECH OK: " #GOT_PERM_SPEECH " == " #EXPECT_PERM_SPEECH " ==%s", \
|
|
perm_speech_name(EXPECT_PERM_SPEECH)); \
|
|
} else { \
|
|
btw("Failed to validate Permitted Speech:\nexpected%s", \
|
|
perm_speech_name(EXPECT_PERM_SPEECH)); \
|
|
btw("got:"); \
|
|
int i; \
|
|
for (i = 0; i < (GOT_PERM_SPEECH)->perm_spch_len; i++) { \
|
|
btw("%s", gsm0808_permitted_speech_name((GOT_PERM_SPEECH)->perm_spch[i])); \
|
|
} \
|
|
OSMO_ASSERT(false); \
|
|
} \
|
|
} while (0)
|
|
|
|
/* Compose a valid SDP string from the list of codec subtype names given. If a subtype name includes a payload type
|
|
* number ("AMR#96") then use that PT number in the SDP instead of the default from codec_mapping.c. */
|
|
static struct sdp_msg *sdp_from_codec_strs(const char *const *codec_strs)
|
|
{
|
|
static struct sdp_msg sdp;
|
|
sdp = (struct sdp_msg){};
|
|
const char *const *codec_str;
|
|
osmo_sockaddr_str_from_str(&sdp.rtp, "1.2.3.4", 56);
|
|
for (codec_str = codec_strs; *codec_str; codec_str++) {
|
|
struct sdp_audio_codec c;
|
|
if (sdp_audio_codec_from_str(&c, *codec_str)) {
|
|
BTW("ERROR: unknown codec_str: %s", *codec_str);
|
|
abort();
|
|
}
|
|
if (!sdp_audio_codecs_add_copy(&sdp.audio_codecs, &c)) {
|
|
BTW("ERROR: list full, cannot add %s", *codec_str);
|
|
abort();
|
|
}
|
|
}
|
|
return &sdp;
|
|
}
|
|
|
|
static int sdp_str_from_codec_strs(char *buf, size_t buflen, const char *const *codec_strs)
|
|
{
|
|
if (!codec_strs[0]) {
|
|
buf[0] = '\0';
|
|
return 0;
|
|
}
|
|
return sdp_msg_to_sdp_str_buf(buf, buflen, sdp_from_codec_strs(codec_strs));
|
|
}
|
|
|
|
static const char *bcap_hexstr(const enum gsm48_bcap_speech_ver ms_bcap[])
|
|
{
|
|
struct gsm_mncc_bearer_cap bcap = {
|
|
.transfer = GSM_MNCC_BCAP_SPEECH,
|
|
.speech_ver = { -1 },
|
|
};
|
|
const enum gsm48_bcap_speech_ver *pos;
|
|
for (pos = ms_bcap; *pos != LIST_END; pos++)
|
|
bearer_cap_add_speech_ver(&bcap, *pos);
|
|
bearer_cap_set_radio(&bcap);
|
|
struct msgb *msg = msgb_alloc(128, "bcap");
|
|
gsm48_encode_bearer_cap(msg, 0, &bcap);
|
|
char *ret = osmo_hexdump_nospc(msg->data, msg->len);
|
|
msgb_free(msg);
|
|
return ret;
|
|
}
|
|
|
|
static void test_codecs_mo(const struct codec_test *t)
|
|
{
|
|
struct gsm_mncc mncc = {
|
|
.imsi = IMSI,
|
|
};
|
|
|
|
struct gsm_mncc_rtp mncc_rtp = {};
|
|
|
|
BTW("======================== MO call: %s", t->desc);
|
|
btw("CM Service Request with Codec List (BSS Supported) =%s",
|
|
codec_list_name(t->mo_rx_compl_l3_codec_list_bss_supported));
|
|
|
|
cm_service_result_sent = RES_NONE;
|
|
ms_sends_compl_l3("052471"
|
|
"03575886" /* classmark 2 */
|
|
"089910070000106005" /* IMSI */,
|
|
codec_list(t->mo_rx_compl_l3_codec_list_bss_supported));
|
|
VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
|
|
EXPECT_ACCEPTED(true);
|
|
|
|
btw("MS sends CC SETUP with Bearer Capability = %s",
|
|
bcap_name(t->mo_rx_ms_bcap));
|
|
expect_crcx(RTP_TO_CN);
|
|
expect_crcx(RTP_TO_RAN);
|
|
ms_sends_msgf("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
|
|
"%s" /* 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 */,
|
|
bcap_hexstr(t->mo_rx_ms_bcap)
|
|
);
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
|
|
btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered");
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref;
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_ind, true);
|
|
|
|
btw("MNCC replies with MNCC_RTP_CREATE");
|
|
sdp_str_from_codec_strs(mncc_rtp.sdp, sizeof(mncc_rtp.sdp), t->mo_rx_sdp_mncc_rtp_create);
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
btw("MGW acknowledges the CRCX, triggering Assignment with%s", perm_speech_name(t->mo_tx_assignment_perm_speech));
|
|
expect_bssap_assignment();
|
|
crcx_ok(RTP_TO_RAN);
|
|
OSMO_ASSERT(bssap_assignment_sent);
|
|
VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mo_tx_assignment_perm_speech);
|
|
|
|
btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
ms_sends_assignment_complete(t->mo_rx_assigned_codec);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_rtp_create,
|
|
!t->mo_tx__ignore_pt_nrs);
|
|
|
|
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, with codecs {%s }",
|
|
strlist_name(t->mo_rx_sdp_mncc_alert_req));
|
|
dtap_expect_tx("8301" /* CC: Call Alerting */);
|
|
|
|
if (t->mo_expect_reassignment) {
|
|
btw("Expecting re-assignment");
|
|
expect_bssap_assignment();
|
|
}
|
|
|
|
sdp_str_from_codec_strs(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_alert_req);
|
|
mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc);
|
|
OSMO_ASSERT(dtap_tx_confirmed);
|
|
|
|
if (t->mo_expect_reassignment) {
|
|
btw("Validating re-assignment");
|
|
OSMO_ASSERT(bssap_assignment_sent);
|
|
VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mo_tx_reassignment_perm_speech);
|
|
ms_sends_assignment_complete(t->mo_rx_reassigned_codec);
|
|
}
|
|
|
|
dtap_expect_tx("8307" /* CC: Connect */);
|
|
sdp_str_from_codec_strs(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_setup_rsp);
|
|
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);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_compl_ind, true);
|
|
|
|
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_bssap_clear();
|
|
ms_sends_msg("036a" /* CC: Release Complete */);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
OSMO_ASSERT(bssap_clear_sent);
|
|
|
|
ran_sends_clear_complete();
|
|
EXPECT_CONN_COUNT(0);
|
|
BTW("======================== SUCCESS: MO call: %s", t->desc);
|
|
}
|
|
|
|
static void test_codecs_mt(const struct codec_test *t)
|
|
{
|
|
struct gsm_mncc mncc = {
|
|
.imsi = IMSI,
|
|
.callref = 0x423,
|
|
.fields = MNCC_F_BEARER_CAP,
|
|
.bearer_cap = {
|
|
.speech_ver = { GSM48_BCAP_SV_FR, -1, },
|
|
},
|
|
};
|
|
struct gsm_mncc_rtp mncc_rtp = {
|
|
.callref = 0x423,
|
|
};
|
|
|
|
BTW("======================== MT call: %s", t->desc);
|
|
|
|
BTW("MNCC asks us to setup a call, causing Paging");
|
|
|
|
paging_expect_imsi(IMSI);
|
|
paging_sent = false;
|
|
sdp_str_from_codec_strs(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_req);
|
|
mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc);
|
|
mncc.sdp[0] = '\0';
|
|
|
|
VERBOSE_ASSERT(paging_sent, == true, "%d");
|
|
|
|
btw("MS replies with Paging Response, with Codec List (BSS Supported) =%s",
|
|
codec_list_name(t->mt_rx_compl_l3_codec_list_bss_supported));
|
|
|
|
if (t->expect_codec_mismatch_on_paging_response) {
|
|
btw("VLR accepts, but MSC notices a codec mismatch and aborts");
|
|
cc_to_mncc_expect_tx("", MNCC_REL_IND);
|
|
expect_bssap_clear();
|
|
ms_sends_compl_l3("062707"
|
|
"03575886" /* classmark 2 */
|
|
"089910070000106005" /* IMSI */,
|
|
codec_list(t->mt_rx_compl_l3_codec_list_bss_supported));
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
OSMO_ASSERT(bssap_clear_sent);
|
|
|
|
ran_sends_clear_complete();
|
|
EXPECT_CONN_COUNT(0);
|
|
|
|
BTW("======================== SUCCESS: MT call: %s", t->desc);
|
|
return;
|
|
}
|
|
|
|
btw("VLR accepts, MSC sends CC Setup with Bearer Capability = %s",
|
|
bcap_name(t->mt_tx_cc_setup_bcap));
|
|
char *cc_setup_bcap = talloc_asprintf(msc_vlr_tests_ctx, "0305%s",
|
|
bcap_hexstr(t->mt_tx_cc_setup_bcap));
|
|
dtap_expect_tx(cc_setup_bcap);
|
|
ms_sends_compl_l3("062707"
|
|
"03575886" /* classmark 2 */
|
|
"089910070000106005" /* IMSI */,
|
|
codec_list(t->mt_rx_compl_l3_codec_list_bss_supported));
|
|
OSMO_ASSERT(dtap_tx_confirmed);
|
|
talloc_free(cc_setup_bcap);
|
|
|
|
btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND");
|
|
expect_crcx(RTP_TO_CN);
|
|
expect_crcx(RTP_TO_RAN);
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND);
|
|
ms_sends_msgf("8348" /* CC: Call Confirmed */
|
|
"%s" /* Bearer Capability */
|
|
"15020100" /* Call Control Capabilities */
|
|
"40080402600400021f00" /* Supported Codec List */,
|
|
bcap_hexstr(t->mt_rx_ms_bcap)
|
|
);
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_CN));
|
|
OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_call_conf_ind, true);
|
|
|
|
btw("MGW acknowledges the CRCX to RAN, triggering Assignment with%s", perm_speech_name(t->mt_tx_assignment_perm_speech));
|
|
|
|
if (t->expect_codec_mismatch_on_cc_call_conf) {
|
|
btw("MS Bearer Capability leads to a codec mismatch, Assignment aborts");
|
|
|
|
dtap_expect_tx("032d0802e1af" /* CC Release */);
|
|
cc_to_mncc_expect_tx("", MNCC_REL_IND);
|
|
expect_bssap_clear();
|
|
crcx_ok(RTP_TO_RAN);
|
|
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
OSMO_ASSERT(bssap_clear_sent);
|
|
|
|
ran_sends_clear_complete();
|
|
EXPECT_CONN_COUNT(0);
|
|
BTW("======================== SUCCESS: MT call: %s", t->desc);
|
|
return;
|
|
}
|
|
|
|
expect_bssap_assignment();
|
|
crcx_ok(RTP_TO_RAN);
|
|
OSMO_ASSERT(bssap_assignment_sent);
|
|
VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mt_tx_assignment_perm_speech);
|
|
|
|
btw("Assignment completes, triggering CRCX to CN");
|
|
ms_sends_assignment_complete(t->mt_rx_assigned_codec);
|
|
|
|
btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP");
|
|
sdp_str_from_codec_strs(mncc_rtp.sdp, sizeof(mncc_rtp.sdp), t->mt_rx_sdp_mncc_rtp_create);
|
|
mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp);
|
|
|
|
btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE");
|
|
cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
|
|
crcx_ok(RTP_TO_CN);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_rtp_create,
|
|
!t->mt_tx__ignore_pt_nrs);
|
|
|
|
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);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_alert_ind,
|
|
!t->mt_tx__ignore_pt_nrs);
|
|
|
|
fake_time_passes(1, 23);
|
|
|
|
cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF);
|
|
ms_sends_msg("83c7" /* CC: Connect */);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_setup_cnf,
|
|
!t->mt_tx__ignore_pt_nrs);
|
|
|
|
dtap_expect_tx("030f" /* CC: Connect Acknowledge */);
|
|
sdp_str_from_codec_strs(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_compl_req);
|
|
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_bssap_clear();
|
|
ms_sends_msg("836a" /* CC: Release Complete */);
|
|
OSMO_ASSERT(cc_to_mncc_tx_confirmed);
|
|
OSMO_ASSERT(bssap_clear_sent);
|
|
|
|
ran_sends_clear_complete();
|
|
EXPECT_CONN_COUNT(0);
|
|
BTW("======================== SUCCESS: MT call: %s", t->desc);
|
|
}
|
|
|
|
static void test_codecs(void)
|
|
{
|
|
const struct codec_test *t;
|
|
clear_vlr();
|
|
|
|
comment_start();
|
|
|
|
fake_time_start();
|
|
|
|
lu_geran_noauth();
|
|
|
|
for (t = codec_tests; t - codec_tests < ARRAY_SIZE(codec_tests); t++) {
|
|
test_codecs_mo(t);
|
|
test_codecs_mt(t);
|
|
}
|
|
|
|
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,
|
|
test_codecs,
|
|
NULL
|
|
};
|