Harald Welte | 34b5a95 | 2019-05-27 11:54:11 +0200 | [diff] [blame] | 1 | /* BSC Connection Handler of MSC test suite in TTCN-3 |
| 2 | * (C) 2018-2019 Harald Welte <laforge@gnumonks.org> |
| 3 | * (C) 2018-2019 sysmocom - s.f.m.c. GmbH |
| 4 | * (C) 2018 Vadim Yanitskiy <axilirator@gmail.com> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Released under the terms of GNU General Public License, Version 2 or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 11 | */ |
| 12 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 13 | module BSC_ConnectionHandler { |
| 14 | |
| 15 | import from General_Types all; |
| 16 | import from Osmocom_Types all; |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 17 | import from Native_Functions all; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 18 | import from GSM_Types all; |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 19 | import from IPL4asp_Types all; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 20 | import from SCCPasp_Types all; |
| 21 | import from BSSAP_Types all; |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 22 | import from RAN_Emulation all; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 23 | import from BSSMAP_Templates all; |
| 24 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 25 | import from RANAP_Constants all; |
| 26 | import from RANAP_IEs all; |
| 27 | import from RANAP_PDU_Contents all; |
| 28 | import from RANAP_PDU_Descriptions all; |
| 29 | import from RANAP_Templates all; |
| 30 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 31 | import from GSUP_Types all; |
| 32 | import from GSUP_Emulation all; |
| 33 | |
| 34 | import from MNCC_Types all; |
| 35 | import from MNCC_Emulation all; |
| 36 | |
Harald Welte | 4aa970c | 2018-01-26 10:38:09 +0100 | [diff] [blame] | 37 | import from MGCP_Types all; |
| 38 | import from MGCP_Emulation all; |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 39 | import from MGCP_Templates all; |
| 40 | import from SDP_Types all; |
Harald Welte | 4aa970c | 2018-01-26 10:38:09 +0100 | [diff] [blame] | 41 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 42 | import from MobileL3_Types all; |
| 43 | import from MobileL3_CommonIE_Types all; |
| 44 | import from MobileL3_MM_Types all; |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 45 | import from MobileL3_CC_Types all; |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 46 | import from MobileL3_SMS_Types all; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 47 | import from L3_Templates all; |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 48 | import from L3_Common all; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 49 | |
Harald Welte | f640a01 | 2018-04-14 17:49:21 +0200 | [diff] [blame] | 50 | import from SMPP_Emulation all; |
| 51 | |
Philipp Maier | aeb29a8 | 2018-11-08 17:40:53 +0100 | [diff] [blame] | 52 | import from IPA_Emulation all; |
| 53 | import from Osmocom_CTRL_Functions all; |
| 54 | import from Osmocom_CTRL_Types all; |
| 55 | import from Osmocom_CTRL_Adapter all; |
| 56 | |
Philipp Maier | c39a9d8 | 2018-11-09 11:21:08 +0100 | [diff] [blame] | 57 | import from TELNETasp_PortType all; |
| 58 | import from Osmocom_VTY_Functions all; |
| 59 | |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 60 | import from SGsAP_Emulation all; |
| 61 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 62 | /* this component represents a single subscriber connection */ |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 63 | type component BSC_ConnHdlr extends RAN_ConnHdlr, MNCC_ConnHdlr, GSUP_ConnHdlr, MGCP_ConnHdlr, SMPP_ConnHdlr, CTRL_Adapter_CT, SGsAP_ConnHdlr { |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 64 | var BSC_ConnHdlrPars g_pars; |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 65 | timer g_Tguard := 60.0; |
Philipp Maier | c39a9d8 | 2018-11-09 11:21:08 +0100 | [diff] [blame] | 66 | port TELNETasp_PT MSCVTY; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 67 | } |
| 68 | |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 69 | type record BSC_ConnHdlrNetworkPars { |
| 70 | OCT1 kc_support, |
| 71 | boolean expect_tmsi, |
| 72 | boolean expect_auth, |
| 73 | boolean expect_ciph |
| 74 | } |
| 75 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 76 | type record BSC_ConnHdlrPars { |
| 77 | SCCP_PAR_Address sccp_addr_own, |
| 78 | SCCP_PAR_Address sccp_addr_peer, |
| 79 | BSSMAP_IE_CellIdentifier cell_id, |
Harald Welte | 256571e | 2018-01-24 18:47:19 +0100 | [diff] [blame] | 80 | hexstring imei, |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 81 | hexstring imsi, |
Harald Welte | 8260057 | 2018-01-21 20:54:08 +0100 | [diff] [blame] | 82 | hexstring msisdn, |
Harald Welte | 256571e | 2018-01-24 18:47:19 +0100 | [diff] [blame] | 83 | OCT4 tmsi optional, |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 84 | MobileStationClassmark1_V cm1, |
Harald Welte | 8260057 | 2018-01-21 20:54:08 +0100 | [diff] [blame] | 85 | BSSMAP_IE_ClassmarkInformationType2 cm2, |
Harald Welte | 1611428 | 2018-01-24 22:41:21 +0100 | [diff] [blame] | 86 | BSSMAP_IE_ClassmarkInformationType3 cm3 optional, |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 87 | AuthVector vec optional, |
Neels Hofmeyr | c1f105a | 2018-03-01 20:00:19 +0100 | [diff] [blame] | 88 | BSC_ConnHdlrNetworkPars net, |
Philipp Maier | aeb29a8 | 2018-11-08 17:40:53 +0100 | [diff] [blame] | 89 | boolean send_early_cm, |
| 90 | charstring ipa_ctrl_ip, |
| 91 | integer ipa_ctrl_port, |
Philipp Maier | 9b690e4 | 2018-12-21 11:50:03 +0100 | [diff] [blame] | 92 | boolean ipa_ctrl_enable, |
Philipp Maier | 5786548 | 2019-01-07 18:33:13 +0100 | [diff] [blame] | 93 | boolean mm_info, |
Philipp Maier | c09a131 | 2019-04-09 16:05:26 +0200 | [diff] [blame] | 94 | boolean sgsap_enable, |
Harald Welte | f9abf8d | 2019-04-21 13:07:17 +0200 | [diff] [blame] | 95 | boolean gsup_enable, |
Harald Welte | c1f937a | 2019-04-21 21:19:23 +0200 | [diff] [blame] | 96 | integer ran_idx, |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 97 | boolean use_umts_aka, |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 98 | boolean ran_is_geran, |
| 99 | boolean use_osmux |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 100 | }; |
| 101 | |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 102 | /* get a one-octet bitmaks of supported algorithms based on Classmark information */ |
| 103 | function f_alg_mask_from_cm(BSSMAP_IE_ClassmarkInformationType2 cm2) return OCT1 { |
| 104 | var BIT8 res := '00000001'B; /* A5/0 always supported */ |
| 105 | |
| 106 | if (cm2.a5_1 == '0'B) { |
| 107 | res := res or4b '00000010'B; |
| 108 | } |
| 109 | if (cm2.classmarkInformationType2_oct5.a5_2 == '1'B ) { |
| 110 | res := res or4b '00000100'B; |
| 111 | } |
| 112 | if (cm2.classmarkInformationType2_oct5.a5_3 == '1'B) { |
| 113 | res := res or4b '00001000'B; |
| 114 | } |
| 115 | /* TODO: CM3 for A5/4 and beyond */ |
| 116 | return bit2oct(res); |
| 117 | } |
| 118 | |
| 119 | /* determine the best algorithm available within the bit-mask */ |
| 120 | function f_best_alg_from_mask(OCT1 alg_in) return OCT1 { |
| 121 | var BIT8 alg := oct2bit(alg_in); |
| 122 | var BIT8 ordered_algs[8] := { |
| 123 | '10000000'B, '01000000'B, '00100000'B, '00010000'B, |
| 124 | '00001000'B, /* A5/3 */ |
| 125 | '00000010'B, /* A5/1 */ |
| 126 | '00000100'B, /* A5/2 */ |
| 127 | '00000001'B /* A5/0 */ } |
| 128 | for (var integer i := 0; i < sizeof(ordered_algs); i := i+1) { |
| 129 | if (alg and4b ordered_algs[i] != '00000000'B) { |
| 130 | return bit2oct(ordered_algs[i]); |
| 131 | } |
| 132 | } |
| 133 | return '00'O; |
| 134 | } |
| 135 | |
| 136 | /* return an integer like '1' for A5/1 based on a mask (with only one bit set */ |
| 137 | function f_alg_from_mask(OCT1 mask_in) return integer { |
| 138 | var BIT8 mask := oct2bit(mask_in); |
| 139 | for (var integer i := 0; i < 8; i := i+1) { |
| 140 | if (mask and4b ('00000001'B << i) != '00000000'B) { |
| 141 | return i; |
| 142 | } |
| 143 | } |
| 144 | return -1; |
| 145 | } |
| 146 | |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 147 | /* altstep for the global guard timer */ |
| 148 | private altstep as_Tguard() runs on BSC_ConnHdlr { |
| 149 | [] g_Tguard.timeout { |
Daniel Willmann | 90829d6 | 2018-02-15 17:45:14 +0100 | [diff] [blame] | 150 | setverdict(fail, "Tguard timeout"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 151 | mtc.stop; |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 152 | } |
| 153 | } |
| 154 | |
| 155 | /* init function, called as first function in new BSC_ConnHdlr */ |
Harald Welte | ad2952e | 2018-01-27 14:12:46 +0100 | [diff] [blame] | 156 | function f_init_handler(BSC_ConnHdlrPars pars, float t_guard := 60.0) runs on BSC_ConnHdlr { |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 157 | /* make parameters available via component variable */ |
| 158 | g_pars := pars; |
| 159 | /* Start guard timer and activate it as default */ |
Harald Welte | ad2952e | 2018-01-27 14:12:46 +0100 | [diff] [blame] | 160 | g_Tguard.start(t_guard); |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 161 | activate(as_Tguard()); |
Harald Welte | f640a01 | 2018-04-14 17:49:21 +0200 | [diff] [blame] | 162 | /* Route all SMPP messages for our MSISDN to us */ |
| 163 | f_create_smpp_expect(hex2str(pars.msisdn)); |
Philipp Maier | 5786548 | 2019-01-07 18:33:13 +0100 | [diff] [blame] | 164 | |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 165 | /* Route all SGs message for our IMSI to us */ |
Philipp Maier | 5786548 | 2019-01-07 18:33:13 +0100 | [diff] [blame] | 166 | if (g_pars.sgsap_enable == true) { |
| 167 | f_create_sgsap_expect(pars.imsi); |
| 168 | } |
Philipp Maier | aeb29a8 | 2018-11-08 17:40:53 +0100 | [diff] [blame] | 169 | |
| 170 | if (g_pars.ipa_ctrl_enable == true) { |
| 171 | f_ipa_ctrl_start(g_pars.ipa_ctrl_ip, g_pars.ipa_ctrl_port); |
| 172 | } |
Philipp Maier | c39a9d8 | 2018-11-09 11:21:08 +0100 | [diff] [blame] | 173 | |
| 174 | map(self:MSCVTY, system:MSCVTY); |
| 175 | f_vty_set_prompts(MSCVTY); |
| 176 | f_vty_transceive(MSCVTY, "enable"); |
Harald Welte | a10db90 | 2018-01-27 12:44:49 +0100 | [diff] [blame] | 177 | } |
| 178 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 179 | |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 180 | /* Callback function from general RAN_Emulation whenever a connectionless |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 181 | * BSSMAP message arrives. Canreturn a PDU_BSSAPthat should be sent in return */ |
| 182 | private function BscUnitdataCallback(PDU_BSSAP bssap) |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 183 | runs on RAN_Emulation_CT return template PDU_BSSAP { |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 184 | var template PDU_BSSAP resp := omit; |
| 185 | |
| 186 | log("BSSMAP_BscUnitdataCallback"); |
| 187 | /* answer all RESET with RESET ACK */ |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 188 | if (match(bssap, tr_BSSMAP_Reset(g_ran_ops.use_osmux))){ |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 189 | log("BSSMAP_BscUnitdataCallback: Responding to RESET with RESET-ACK"); |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 190 | resp := ts_BSSMAP_ResetAck(g_ran_ops.use_osmux); |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | /* FIXME: Handle paging, etc. */ |
| 194 | return resp; |
| 195 | } |
| 196 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 197 | private function RncUnitdataCallback(RANAP_PDU ranap) |
| 198 | runs on RAN_Emulation_CT return template RANAP_PDU { |
| 199 | var template RANAP_PDU resp := omit; |
| 200 | |
| 201 | log("RANAP_RncUnitdataCallback"); |
| 202 | /* answer all RESET with RESET ACK */ |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 203 | if (match(ranap, tr_RANAP_Reset())) { |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 204 | log("RANAP_RncUnitdataCallback: Responding to RESET with RESET-ACK"); |
| 205 | var CN_DomainIndicator dom; |
| 206 | dom := ranap.initiatingMessage.value_.Reset.protocolIEs[1].value_.cN_DomainIndicator; |
| 207 | resp := ts_RANAP_ResetAck(dom); |
| 208 | } |
| 209 | |
| 210 | /* FIXME: Handle paging, etc. */ |
| 211 | return resp; |
| 212 | } |
| 213 | |
| 214 | |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 215 | const RanOps BSC_RanOps := { |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 216 | /* Create call-back for inbound connections from MSC (hand-over) */ |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 217 | create_cb := refers(RAN_Emulation.ExpectedCreateCallback), |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 218 | unitdata_cb := refers(BscUnitdataCallback), |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 219 | ranap_create_cb := refers(RAN_Emulation.RanapExpectedCreateCallback), |
| 220 | ranap_unitdata_cb := refers(RncUnitdataCallback), |
| 221 | ps_domain := false, |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 222 | decode_dtap := true, |
Harald Welte | a4ca446 | 2018-02-09 00:17:14 +0100 | [diff] [blame] | 223 | role_ms := true, |
Harald Welte | 2fce788 | 2019-04-15 11:48:05 +0200 | [diff] [blame] | 224 | protocol := RAN_PROTOCOL_BSSAP, |
Pau Espin Pedrol | c6b78ff | 2019-06-06 15:58:17 +0200 | [diff] [blame] | 225 | transport := BSSAP_TRANSPORT_AoIP, |
Pau Espin Pedrol | c6a53db | 2019-05-20 19:31:47 +0200 | [diff] [blame] | 226 | use_osmux := false, |
Harald Welte | a4ca446 | 2018-02-09 00:17:14 +0100 | [diff] [blame] | 227 | sccp_addr_local := omit, |
| 228 | sccp_addr_peer := omit |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | |
| 232 | private function MnccUnitdataCallback(MNCC_PDU mncc) |
| 233 | runs on MNCC_Emulation_CT return template MNCC_PDU { |
| 234 | log("Ignoring MNCC", mncc); |
| 235 | return omit; |
| 236 | } |
| 237 | |
| 238 | const MnccOps BCC_MnccOps := { |
| 239 | create_cb := refers(MNCC_Emulation.ExpectedCreateCallback), |
| 240 | unitdata_cb := refers(MnccUnitdataCallback) |
| 241 | } |
| 242 | |
| 243 | |
| 244 | |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 245 | /* Encode 'l3' and ask RAN_Emulation to create new connection with COMPL L3 INFO */ |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 246 | function f_bssap_compl_l3(PDU_ML3_MS_NW l3) |
| 247 | runs on BSC_ConnHdlr { |
| 248 | log("Sending COMPL L3: ", l3); |
| 249 | var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3); |
| 250 | BSSAP.send(ts_BSSAP_Conn_Req(g_pars.sccp_addr_peer, g_pars.sccp_addr_own, |
| 251 | valueof(ts_BSSMAP_ComplL3(g_pars.cell_id, l3_enc)))); |
Harald Welte | 71b6933 | 2018-01-21 20:43:53 +0100 | [diff] [blame] | 252 | alt { |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 253 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_CONF_IND) {} |
| 254 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) { |
Harald Welte | 71b6933 | 2018-01-21 20:43:53 +0100 | [diff] [blame] | 255 | setverdict(fail, "DISC.ind from SCCP"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 256 | mtc.stop; |
Harald Welte | 71b6933 | 2018-01-21 20:43:53 +0100 | [diff] [blame] | 257 | } |
| 258 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 259 | } |
| 260 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 261 | /* generate Iu LAI from BSSAP CGI */ |
| 262 | private function f_IuLAI_from_BssmapCI(BSSMAP_IE_CellIdentifier ci) return LAI { |
| 263 | var LAI lai; |
| 264 | if (ischosen(ci.cellIdentification.cI_CGI)) { |
| 265 | lai.pLMNidentity := ci.cellIdentification.cI_CGI.mcc_mnc; |
| 266 | lai.lAC := ci.cellIdentification.cI_CGI.lac; |
| 267 | } else if (ischosen(ci.cellIdentification.cI_SAI)) { |
| 268 | lai.pLMNidentity := ci.cellIdentification.cI_SAI.mcc_mnc; |
| 269 | lai.lAC := ci.cellIdentification.cI_SAI.lac; |
| 270 | } else if (ischosen(ci.cellIdentification.ci_LAC_RNC_CI)) { |
| 271 | lai.pLMNidentity := ci.cellIdentification.ci_LAC_RNC_CI.mcc_mnc; |
| 272 | lai.lAC := ci.cellIdentification.ci_LAC_RNC_CI.lac; |
| 273 | } else { |
| 274 | mtc.stop; |
| 275 | } |
| 276 | lai.iE_Extensions := omit; |
| 277 | return lai; |
| 278 | } |
| 279 | |
| 280 | /* like f_bssap_compl_l3() but for 3G */ |
| 281 | function f_ranap_initial_ue(PDU_ML3_MS_NW l3) |
| 282 | runs on BSC_ConnHdlr { |
| 283 | log("Sending InitialUE: ", l3); |
| 284 | var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3); |
| 285 | var RANAP_PDU ranap; |
| 286 | var LAI lai := f_IuLAI_from_BssmapCI(g_pars.cell_id); |
| 287 | var SAI sai := { |
| 288 | pLMNidentity := lai.pLMNidentity, |
| 289 | lAC := lai.lAC, |
| 290 | sAC := '0000'O, /* FIXME */ |
| 291 | iE_Extensions := omit |
| 292 | }; |
| 293 | var IuSignallingConnectionIdentifier sigc_id := int2bit(23, 24); |
| 294 | var GlobalRNC_ID grnc_id := { |
| 295 | pLMNidentity := lai.pLMNidentity, |
| 296 | rNC_ID := 2342 /* FIXME */ |
| 297 | }; |
| 298 | |
| 299 | ranap := valueof(ts_RANAP_initialUE_CS(lai, sai, l3_enc, sigc_id, grnc_id)); |
| 300 | BSSAP.send(ts_RANAP_Conn_Req(g_pars.sccp_addr_peer, g_pars.sccp_addr_own, ranap)); |
| 301 | alt { |
| 302 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_CONF_IND) {} |
| 303 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) { |
| 304 | setverdict(fail, "DISC.ind from SCCP"); |
| 305 | mtc.stop; |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | |
Harald Welte | dceacc7 | 2019-04-21 20:58:35 +0200 | [diff] [blame] | 310 | /* Send BSSMAP Complete L3 or RANAP Initial UE depending on 2G/3G RAN type */ |
| 311 | function f_cl3_or_initial_ue(PDU_ML3_MS_NW l3) |
| 312 | runs on BSC_ConnHdlr { |
| 313 | if (g_pars.ran_is_geran) { |
| 314 | f_bssap_compl_l3(l3); |
| 315 | } else { |
| 316 | f_ranap_initial_ue(l3); |
| 317 | } |
| 318 | } |
| 319 | |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 320 | type enumerated EstablishType { |
| 321 | EST_TYPE_MO_CALL, |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 322 | EST_TYPE_EMERG_CALL, |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 323 | EST_TYPE_PAG_RESP, |
Vadim Yanitskiy | 20ee5e4 | 2018-05-27 17:54:21 +0700 | [diff] [blame] | 324 | EST_TYPE_MO_SMS, |
| 325 | EST_TYPE_SS_ACT |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 326 | }; |
| 327 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 328 | /* helper function to fully establish a dedicated channel */ |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 329 | function f_establish_fully(EstablishType etype := EST_TYPE_MO_CALL) |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 330 | runs on BSC_ConnHdlr { |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 331 | var PDU_ML3_MS_NW l3_info; |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 332 | var MobileIdentityLV mi; |
| 333 | |
| 334 | /* If we have a TMSI, use TMSI instead of IMSI */ |
| 335 | if (ispresent(g_pars.tmsi)) { |
| 336 | mi := valueof(ts_MI_TMSI_LV(g_pars.tmsi)); |
| 337 | } else { |
| 338 | mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); |
| 339 | } |
| 340 | |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 341 | select (etype) { |
| 342 | case (EST_TYPE_MO_CALL) { |
| 343 | l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); |
| 344 | } |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 345 | case (EST_TYPE_EMERG_CALL) { |
| 346 | l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_EMERG_CALL, mi)); |
| 347 | } |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 348 | case (EST_TYPE_PAG_RESP) { |
| 349 | l3_info := valueof(ts_PAG_RESP(mi)); |
| 350 | } |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 351 | case (EST_TYPE_MO_SMS) { |
| 352 | l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_SMS, mi)); |
| 353 | } |
Vadim Yanitskiy | 20ee5e4 | 2018-05-27 17:54:21 +0700 | [diff] [blame] | 354 | case (EST_TYPE_SS_ACT) { |
| 355 | l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_SS_ACT, mi)); |
| 356 | } |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 357 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 358 | |
| 359 | /* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */ |
Harald Welte | dceacc7 | 2019-04-21 20:58:35 +0200 | [diff] [blame] | 360 | f_cl3_or_initial_ue(l3_info); |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 361 | |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 362 | f_mm_common(); |
Pau Espin Pedrol | f803448 | 2019-06-03 13:15:58 +0200 | [diff] [blame] | 363 | if (g_pars.net.expect_ciph or not g_pars.ran_is_geran) { |
Harald Welte | 148a708 | 2018-01-26 18:56:43 +0100 | [diff] [blame] | 364 | /* implicit CM SERVICE ACCEPT? */ |
| 365 | } else { |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 366 | if (etype != EST_TYPE_PAG_RESP) { |
Harald Welte | 081b19a | 2018-02-10 09:11:13 +0100 | [diff] [blame] | 367 | /* explicit CM SERVICE ACCEPT */ |
| 368 | BSSAP.receive(tr_PDU_DTAP_MT(tr_CM_SERV_ACC)); |
| 369 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 370 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | /* build a PDU_ML3_MS_NW containing a Location Update by IMSI */ |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 374 | function f_build_lu_imsi(hexstring imsi) runs on BSC_ConnHdlr return PDU_ML3_MS_NW |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 375 | { |
| 376 | var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(imsi)); |
| 377 | return f_build_lu(mi); |
| 378 | } |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 379 | function f_build_lu_imei(hexstring imei) runs on BSC_ConnHdlr return PDU_ML3_MS_NW |
Harald Welte | ba7b6d9 | 2018-01-23 21:32:34 +0100 | [diff] [blame] | 380 | { |
| 381 | var MobileIdentityLV mi := valueof(ts_MI_IMEI_LV(imei)); |
| 382 | return f_build_lu(mi); |
| 383 | } |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 384 | function f_build_lu_tmsi(OCT4 tmsi) runs on BSC_ConnHdlr return PDU_ML3_MS_NW |
Harald Welte | ba7b6d9 | 2018-01-23 21:32:34 +0100 | [diff] [blame] | 385 | { |
| 386 | var MobileIdentityLV mi := valueof(ts_MI_TMSI_LV(tmsi)); |
| 387 | return f_build_lu(mi); |
| 388 | } |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 389 | private function f_build_lu(MobileIdentityLV mi) runs on BSC_ConnHdlr return PDU_ML3_MS_NW |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 390 | { |
| 391 | var LocationAreaIdentification_V old_lai := { '62F220'O, '9999'O }; |
| 392 | var PDU_ML3_MS_NW l3_info := valueof(ts_ML3_MO_LU_Req(valueof(ts_ML3_IE_LuType_Attach), |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 393 | old_lai, mi, g_pars.cm1)); |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 394 | return l3_info; |
| 395 | } |
| 396 | |
Harald Welte | a183a5d | 2019-05-09 13:40:52 +0200 | [diff] [blame] | 397 | altstep as_GSUP_SAI() runs on BSC_ConnHdlr { |
| 398 | var GSUP_IE auth_tuple; |
| 399 | [] GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)) { |
| 400 | if (g_pars.use_umts_aka) { |
| 401 | g_pars.vec := f_gen_auth_vec_3g(); |
| 402 | auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G3G(g_pars.vec.rand, |
| 403 | g_pars.vec.sres, |
| 404 | g_pars.vec.kc, |
| 405 | g_pars.vec.ik, |
| 406 | g_pars.vec.ck, |
| 407 | g_pars.vec.autn, |
| 408 | g_pars.vec.res)); |
| 409 | GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple)); |
| 410 | } else { |
| 411 | g_pars.vec := f_gen_auth_vec_2g(); |
| 412 | auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand, |
| 413 | g_pars.vec.sres, |
| 414 | g_pars.vec.kc)); |
| 415 | GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple)); |
| 416 | } |
| 417 | } |
| 418 | } |
| 419 | |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 420 | function f_mm_auth() runs on BSC_ConnHdlr |
Harald Welte | 148a708 | 2018-01-26 18:56:43 +0100 | [diff] [blame] | 421 | { |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 422 | if (g_pars.net.expect_auth) { |
Harald Welte | a183a5d | 2019-05-09 13:40:52 +0200 | [diff] [blame] | 423 | as_GSUP_SAI(); |
Harald Welte | c1f937a | 2019-04-21 21:19:23 +0200 | [diff] [blame] | 424 | if (g_pars.use_umts_aka) { |
Harald Welte | c1f937a | 2019-04-21 21:19:23 +0200 | [diff] [blame] | 425 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_AUTH_REQ_3G(g_pars.vec.rand, g_pars.vec.autn))); |
| 426 | var OCT4 res := substr(g_pars.vec.res, 0, 4); |
| 427 | var OCT4 xres := substr(g_pars.vec.res, 4, 4); |
| 428 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MT_MM_AUTH_RESP_3G(res, xres))); |
| 429 | } else { |
Harald Welte | c1f937a | 2019-04-21 21:19:23 +0200 | [diff] [blame] | 430 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_AUTH_REQ(g_pars.vec.rand))); |
| 431 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MT_MM_AUTH_RESP_2G(g_pars.vec.sres))); |
| 432 | } |
Harald Welte | 148a708 | 2018-01-26 18:56:43 +0100 | [diff] [blame] | 433 | } |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 434 | } |
Harald Welte | 148a708 | 2018-01-26 18:56:43 +0100 | [diff] [blame] | 435 | |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 436 | function f_mm_common() runs on BSC_ConnHdlr |
| 437 | { |
| 438 | f_mm_auth(); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 439 | if (g_pars.ran_is_geran) { |
| 440 | if (g_pars.net.expect_ciph) { |
| 441 | var OCT1 a5_net := f_alg_mask_from_cm(g_pars.cm2); |
| 442 | var OCT1 a5_intersect := g_pars.net.kc_support and4b a5_net; |
| 443 | alt { |
| 444 | [] BSSAP.receive(tr_BSSMAP_CipherModeCmd(a5_intersect, g_pars.vec.kc)) { |
| 445 | var OCT1 a5_chosen := f_best_alg_from_mask(a5_intersect); |
| 446 | var integer a5_nr := f_alg_from_mask(a5_chosen); |
| 447 | BSSAP.send(ts_BSSMAP_CipherModeCompl(int2oct(a5_nr+1, 1))); |
| 448 | } |
| 449 | [] BSSAP.receive(tr_BSSMAP_CipherModeCmd(?, g_pars.vec.kc)) { |
| 450 | setverdict(fail, "Wrong ciphering algorithm mask in CiphModCmd"); |
| 451 | mtc.stop; |
| 452 | } |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 453 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 454 | /* FIXME: Send the best available algorithm */ |
| 455 | } |
| 456 | } else { /* UTRAN */ |
| 457 | alt { |
| 458 | [g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmdEnc(uia_algs := ?, |
| 459 | uia_key := oct2bit(g_pars.vec.ik), |
| 460 | key_sts := ?, |
| 461 | uea_algs := ?, |
| 462 | uea_key := oct2bit(g_pars.vec.ck))) { |
| 463 | var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1*/ |
| 464 | var EncryptionAlgorithm uea_chosen := 1; /*standard_UMTS_encryption_algorith_UEA1*/ |
| 465 | BSSAP.send(ts_RANAP_SecurityModeCompleteEnc(uia_chosen, uea_chosen)); |
| 466 | BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi))); |
| 467 | } |
| 468 | [g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmdEnc(?,?,?,?,?)) { |
| 469 | setverdict(fail, "Invalid SecurityModeCommand (ciphering case)"); |
| 470 | mtc.stop; |
| 471 | } |
| 472 | [not g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmd(uia_algs := ?, |
| 473 | uia_key := oct2bit(g_pars.vec.ik), |
| 474 | key_sts := ?)) { |
| 475 | var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1;*/ |
| 476 | BSSAP.send(ts_RANAP_SecurityModeComplete(uia_chosen)); |
| 477 | BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi))); |
| 478 | } |
| 479 | [not g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmd(?,?,?)) { |
| 480 | setverdict(fail, "Invalid SecurityModeCommand (non-ciphering case)"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 481 | mtc.stop; |
Harald Welte | 9de8479 | 2018-01-28 01:06:35 +0100 | [diff] [blame] | 482 | } |
| 483 | } |
Harald Welte | 148a708 | 2018-01-26 18:56:43 +0100 | [diff] [blame] | 484 | } |
| 485 | } |
| 486 | |
Philipp Maier | 9b690e4 | 2018-12-21 11:50:03 +0100 | [diff] [blame] | 487 | function f_expect_mm_info() runs on BSC_ConnHdlr { |
| 488 | if (g_pars.mm_info == true) { |
| 489 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_Info)); |
| 490 | } |
| 491 | } |
| 492 | |
Neels Hofmeyr | c1f105a | 2018-03-01 20:00:19 +0100 | [diff] [blame] | 493 | function f_perform_lu() |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 494 | runs on BSC_ConnHdlr { |
| 495 | var PDU_ML3_MS_NW l3_lu := f_build_lu_imsi(g_pars.imsi) |
| 496 | var PDU_DTAP_MT dtap_mt; |
| 497 | |
| 498 | /* tell GSUP dispatcher to send this IMSI to us */ |
| 499 | f_create_gsup_expect(hex2str(g_pars.imsi)); |
| 500 | |
| 501 | /* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */ |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 502 | if (g_pars.ran_is_geran) { |
| 503 | f_bssap_compl_l3(l3_lu); |
| 504 | if (g_pars.send_early_cm) { |
| 505 | BSSAP.send(ts_BSSMAP_ClassmarkUpd(g_pars.cm2, g_pars.cm3)); |
| 506 | } |
| 507 | } else { |
| 508 | f_ranap_initial_ue(l3_lu); |
Harald Welte | 8a121b3 | 2018-01-22 03:00:41 +0100 | [diff] [blame] | 509 | } |
Harald Welte | 5c2622c | 2018-01-21 20:45:20 +0100 | [diff] [blame] | 510 | |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 511 | f_mm_common(); |
Stefan Sperling | a2d59c6 | 2018-12-18 16:32:44 +0100 | [diff] [blame] | 512 | f_msc_lu_hlr(); |
| 513 | f_accept_reject_lu(); |
| 514 | /* FIXME: there could be pending SMS or other common procedures by the MSC, let's ignore them */ |
| 515 | f_expect_clear(); |
Harald Welte | 1611428 | 2018-01-24 22:41:21 +0100 | [diff] [blame] | 516 | |
Stefan Sperling | a2d59c6 | 2018-12-18 16:32:44 +0100 | [diff] [blame] | 517 | setverdict(pass); |
| 518 | } |
| 519 | |
| 520 | function f_msc_lu_hlr() runs on BSC_ConnHdlr |
| 521 | { |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 522 | /* Expect MSC to perform LU with HLR */ |
| 523 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)); |
| 524 | GSUP.send(ts_GSUP_ISD_REQ(g_pars.imsi, g_pars.msisdn)); |
| 525 | GSUP.receive(tr_GSUP_ISD_RES(g_pars.imsi)); |
| 526 | GSUP.send(ts_GSUP_UL_RES(g_pars.imsi)); |
Stefan Sperling | a2d59c6 | 2018-12-18 16:32:44 +0100 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | function f_accept_reject_lu() runs on BSC_ConnHdlr { |
| 530 | var PDU_DTAP_MT dtap_mt; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 531 | |
| 532 | alt { |
| 533 | [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Acc)) -> value dtap_mt { |
| 534 | var PDU_ML3_LocationUpdateAccept lu_acc := dtap_mt.dtap.msgs.mm.locationUpdateAccept; |
Harald Welte | de37149 | 2018-01-27 23:44:41 +0100 | [diff] [blame] | 535 | if (g_pars.net.expect_tmsi) { |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 536 | if (not ispresent(lu_acc.mobileIdentityTLV) or |
| 537 | not ischosen(lu_acc.mobileIdentityTLV.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi)) { |
| 538 | setverdict(fail, "Expected TMSI but no TMSI was allocated"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 539 | mtc.stop; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 540 | } else { |
Harald Welte | 256571e | 2018-01-24 18:47:19 +0100 | [diff] [blame] | 541 | g_pars.tmsi := lu_acc.mobileIdentityTLV.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi.octets; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 542 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_TmsiRealloc_Cmpl)); |
| 543 | } |
| 544 | } else { |
| 545 | if (ispresent(lu_acc.mobileIdentityTLV) and |
| 546 | ischosen(lu_acc.mobileIdentityTLV.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi)) { |
| 547 | setverdict(fail, "Expected no TMSI but TMSI was allocated"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 548 | mtc.stop; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 549 | } |
| 550 | } |
| 551 | } |
| 552 | [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej)) { |
| 553 | setverdict(fail, "Expected LU ACK, but received LU REJ"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 554 | mtc.stop; |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 555 | } |
| 556 | } |
Philipp Maier | 9b690e4 | 2018-12-21 11:50:03 +0100 | [diff] [blame] | 557 | |
| 558 | /* Wait for MM-Information (if enabled) */ |
| 559 | f_expect_mm_info(); |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 560 | setverdict(pass); |
| 561 | } |
| 562 | |
| 563 | function f_foo() runs on BSC_ConnHdlr{ |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 564 | /* SCCP CC handled by RAN_Emulation_CT.main() */ |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 565 | /* Expect auth, if enabled */ |
| 566 | |
| 567 | /* TODO: ISD */ |
| 568 | /* Expect encr, if enabled */ |
| 569 | /* Expect encr, if enabled */ |
| 570 | /* Expect ASS CMD, if chan_type != requested */ |
| 571 | /* Send ASS CMPL in successful case */ |
| 572 | |
| 573 | /* Expect AoIP port/ip information for RTP stream */ |
| 574 | /* Expect MSC-originated MGCP to our simulated MGW */ |
| 575 | /* Verify Counters via CTRL */ |
| 576 | /* re-configure MSC behaviour via VTY */ |
| 577 | } |
| 578 | |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 579 | /* parameters related to a (MO?) voice call */ |
| 580 | type record CallParameters { |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 581 | /* CC related parameters */ |
| 582 | hexstring called_party, /* whom are we calling */ |
| 583 | integer transaction_id optional, /* which TS 04.08 CC transaction ID to use */ |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 584 | boolean mo_call, /* For a MO call, the transaction_id was allocated by the MS, |
| 585 | important to set the TI flag properly */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 586 | BearerCapability_TLV bearer_cap, /* which bearer capabilities to claim */ |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 587 | boolean emergency, /* is this an emergency call? */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 588 | |
| 589 | /* MNCC related parameters */ |
| 590 | uint32_t mncc_callref optional, /* call reference on the MNCC side */ |
| 591 | MNCC_bearer_cap mncc_bearer_cap optional, /* MNCC-side bearer capabilities */ |
| 592 | |
| 593 | /* RTP related parameters */ |
| 594 | HostName bss_rtp_ip optional, /* BSS Side RTP IP */ |
| 595 | PortNumber bss_rtp_port optional, /* BSS Side RTP Port */ |
| 596 | HostName mss_rtp_ip optional, /* MSS Side RTP IP */ |
| 597 | PortNumber mss_rtp_port optional, /* MSS Side RTP Port */ |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 598 | HostName mgw_rtp_ip_bss, /* BSS-facing MGW RTP IP */ |
| 599 | PortNumber mgw_rtp_port_bss, /* BSS-facing MGW RTP Port */ |
| 600 | HostName mgw_rtp_ip_mss, /* MSS-facing MGW RTP IP */ |
| 601 | PortNumber mgw_rtp_port_mss, /* MSS-facing MGW RTP Port */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 602 | uint7_t rtp_payload_type, /* dynamic RTP payload type */ |
| 603 | charstring rtp_sdp_format, /* AMR/8000 or the like */ |
Philipp Maier | 2a98a73 | 2018-03-19 16:06:12 +0100 | [diff] [blame] | 604 | boolean mgw_drop_dlcx optional, /* Provoke errors by not responding to DLCX |
| 605 | (f_mt_call and f_mt_call) */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 606 | |
Philipp Maier | cd66857 | 2018-03-19 16:11:52 +0100 | [diff] [blame] | 607 | MgcpCallId mgcp_call_id optional, /* MGCP Call ID; CallAgent allocated */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 608 | MgcpEndpoint mgcp_ep optional /* MGCP Endpoint, CallAgent or MGW allocated */, |
| 609 | MgcpConnectionId mgcp_connection_id_bss, /* MGCP Connection ID BSS Side */ |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 610 | MgcpConnectionId mgcp_connection_id_mss, /* MGCP Connection ID MSS Side */ |
| 611 | |
| 612 | boolean use_osmux /* MSC is expected to use Osmux for this call */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | template (value) CallParameters t_CallParams(hexstring called, integer tid) := { |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 616 | called_party := called, |
| 617 | transaction_id := tid, |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 618 | mo_call := false, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 619 | bearer_cap := valueof(ts_Bcap_voice), |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 620 | emergency := false, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 621 | mncc_callref := omit, |
| 622 | mncc_bearer_cap := valueof(ts_MNCC_bcap_voice), |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 623 | bss_rtp_ip := "9.8.7.6", |
| 624 | bss_rtp_port := 9000, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 625 | mss_rtp_ip := omit, |
| 626 | mss_rtp_port := omit, |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 627 | mgw_rtp_ip_bss := "1.1.1.1", |
| 628 | mgw_rtp_port_bss := 10000, |
| 629 | mgw_rtp_ip_mss := "1.1.1.1", |
| 630 | mgw_rtp_port_mss := 11000, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 631 | rtp_payload_type := 98, |
| 632 | rtp_sdp_format := "AMR/8000", |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 633 | mgw_drop_dlcx := false, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 634 | mgcp_call_id := omit, |
| 635 | mgcp_ep := omit, |
| 636 | mgcp_connection_id_bss := '0'H,// |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 637 | mgcp_connection_id_mss := '0'H,// |
| 638 | use_osmux := false |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 639 | }; |
| 640 | |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 641 | /* Allocate a call reference and send SETUP via MNCC to MSC */ |
| 642 | function f_mt_call_initate(inout CallParameters cpars) |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 643 | runs on BSC_ConnHdlr { |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 644 | cpars.mncc_callref := f_rnd_int(2147483648); |
| 645 | MNCC.send(ts_MNCC_SETUP_req(cpars.mncc_callref, hex2str(g_pars.msisdn), |
| 646 | hex2str(cpars.called_party), hex2str(g_pars.imsi))); |
| 647 | } |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 648 | |
Harald Welte | 408a7ef | 2019-04-21 17:08:40 +0200 | [diff] [blame] | 649 | private template (value) SDP_Message ts_SDP_CRCX_CN(CallParameters cpars) := |
| 650 | ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss, |
| 651 | hex2str(cpars.mgcp_call_id), "42", |
| 652 | cpars.mgw_rtp_port_mss, |
| 653 | { int2str(cpars.rtp_payload_type) }, |
| 654 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 655 | cpars.rtp_sdp_format)), |
| 656 | valueof(ts_SDP_ptime(20)) }); |
| 657 | |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 658 | /* Complete call, begin with a paging response message via BSSAP */ |
| 659 | function f_mt_call_complete(inout CallParameters cpars) |
| 660 | runs on BSC_ConnHdlr { |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 661 | var MNCC_PDU mncc; |
| 662 | var MgcpCommand mgcp_cmd; |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 663 | var template MgcpResponse mgcp_resp; |
| 664 | var MgcpOsmuxCID osmux_cid; |
| 665 | var PDU_BSSAP bssap; |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 666 | |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 667 | f_ran_register_imsi(g_pars.imsi, g_pars.tmsi); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 668 | |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 669 | f_establish_fully(EST_TYPE_PAG_RESP); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 670 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 671 | log("f_mt_call_complete 1"); |
| 672 | |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 673 | /* MS <- MSC: Expect CC SETUP */ |
| 674 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_SETUP(cpars.transaction_id, *, cpars.called_party))); |
| 675 | |
| 676 | /* MS -> MSC: ALERTING */ |
| 677 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_ALERTING(cpars.transaction_id))); |
| 678 | MNCC.receive(tr_MNCC_ALERT_ind(cpars.mncc_callref)); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 679 | log("f_mt_call_complete 2"); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 680 | |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 681 | /* Create MGCP expect */ |
| 682 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 683 | /* Ask MSC via MNCC to create the RTP socket on the MSC/MGW side */ |
| 684 | MNCC.send(ts_MNCC_RTP_CREATE(cpars.mncc_callref)); |
| 685 | |
| 686 | /* First MGCP CRCX (for BSS/RAN side) */ |
| 687 | MGCP.receive(tr_CRCX) -> value mgcp_cmd { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 688 | log("f_mt_call_complete 3"); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 689 | cpars.mgcp_call_id := f_MgcpCmd_extract_call_id(mgcp_cmd); |
Philipp Maier | 4b2692d | 2018-03-14 16:37:48 +0100 | [diff] [blame] | 690 | |
| 691 | /* When the endpoint contains a wildcard we keep the endpoint |
| 692 | * identifier we have set up in cpars. Otherwise we use the |
| 693 | * endpoint name that the call agent has supplied */ |
| 694 | if (match(mgcp_cmd.line.ep, t_MGCP_EP_wildcard) == false) { |
| 695 | cpars.mgcp_ep := mgcp_cmd.line.ep; |
| 696 | } |
| 697 | |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 698 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_bss, cpars.mgw_rtp_ip_bss, |
| 699 | hex2str(cpars.mgcp_call_id), "42", |
| 700 | cpars.mgw_rtp_port_bss, |
| 701 | { int2str(cpars.rtp_payload_type) }, |
| 702 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 703 | cpars.rtp_sdp_format)), |
| 704 | valueof(ts_SDP_ptime(20)) })); |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 705 | |
| 706 | if (cpars.use_osmux) { |
| 707 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 708 | if (osmux_cid != -1) { /* we expect MSC to use wildcard here */ |
| 709 | setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != -1"); |
| 710 | mtc.stop; |
| 711 | } |
| 712 | osmux_cid := 0; |
| 713 | mgcp_resp := ts_CRCX_ACK_osmux(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, osmux_cid, sdp); |
| 714 | } else { |
| 715 | mgcp_resp := ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, sdp); |
| 716 | } |
| 717 | |
Philipp Maier | 4b2692d | 2018-03-14 16:37:48 +0100 | [diff] [blame] | 718 | f_mgcp_par_append(mgcp_resp.params, ts_MgcpParSpecEP(cpars.mgcp_ep)); |
| 719 | MGCP.send(mgcp_resp); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 720 | } |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 721 | |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 722 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 723 | if (g_pars.ran_is_geran) { |
| 724 | var BSSMAP_IE_AoIP_TransportLayerAddress tla_ass := |
| 725 | valueof(ts_BSSMAP_IE_AoIP_TLA4(f_inet_addr(cpars.mgw_rtp_ip_bss),cpars.mgw_rtp_port_bss)); |
| 726 | |
| 727 | interleave { |
| 728 | /* Second MGCP CRCX (this time for MSS/CN side) */ |
| 729 | [] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 730 | log("f_mt_call_complete 4"); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 731 | var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars)); |
| 732 | MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp)); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 733 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 734 | |
| 735 | /* MSC acknowledges the MNCC_CREATE to the MNCC handler */ |
| 736 | [] MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref)) { |
| 737 | log("f_mt_call_complete 5"); |
| 738 | } |
| 739 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 740 | /* expect the MSC to trigger a BSSMAP ASSIGNMENT */ |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 741 | [] BSSAP.receive(tr_BSSMAP_AssignmentReq(omit, tla_ass)) -> value bssap { |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 742 | var BSSMAP_IE_AoIP_TransportLayerAddress tla; |
| 743 | var BSSMAP_IE_SpeechCodec codec; |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 744 | var BSSMAP_IE_Osmo_OsmuxCID osmuxCID; |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 745 | log("f_mt_call_complete 6"); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 746 | |
| 747 | tla := valueof(ts_BSSMAP_IE_AoIP_TLA4(f_inet_addr(cpars.bss_rtp_ip), cpars.bss_rtp_port)); |
| 748 | codec := valueof(ts_BSSMAP_IE_SpeechCodec({ts_CodecFR})); |
| 749 | |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 750 | if (cpars.use_osmux) { |
| 751 | if (not ispresent(bssap.pdu.bssmap.assignmentRequest.osmuxCID)) { |
| 752 | setverdict(fail, "MSC sent AssignReq without expected OsmuxCID IE"); |
| 753 | mtc.stop; |
| 754 | } |
| 755 | osmuxCID := valueof(ts_OsmuxCID(0)); |
| 756 | if (cpars.use_osmux and not match(bssap.pdu.bssmap.assignmentRequest.osmuxCID, osmuxCID)) { |
| 757 | setverdict(fail, "MSC sent AssignReq without expected OsmuxCID IE"); |
| 758 | mtc.stop; |
| 759 | } |
| 760 | bssap := valueof(ts_BSSMAP_AssignmentComplete(omit, tla, codec, osmuxCID)); |
| 761 | } else { |
| 762 | bssap := valueof(ts_BSSMAP_AssignmentComplete(omit, tla, codec)); |
| 763 | } |
| 764 | BSSAP.send(bssap); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 765 | |
| 766 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_CONNECT(cpars.transaction_id))); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 767 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 768 | |
| 769 | [] MNCC.receive(tr_MNCC_SETUP_cnf(cpars.mncc_callref)) { |
| 770 | log("f_mt_call_complete 7"); |
| 771 | MNCC.send(ts_MNCC_RTP_CONNECT(cpars.mncc_callref, |
| 772 | /* ip 42.23.11.5 */ hex2int('42231105'H), |
| 773 | /* port 423 */ 423, |
| 774 | /* payload type 3 = GSM FR */ 3)); |
| 775 | } |
| 776 | |
| 777 | /* MDCX setting up the RAN side remote RTP address received from Assignment Complete */ |
| 778 | [] MGCP.receive(tr_MDCX) -> value mgcp_cmd { |
| 779 | log("f_mt_call_complete 8"); |
| 780 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss, |
| 781 | hex2str(cpars.mgcp_call_id), "42", |
| 782 | cpars.mgw_rtp_port_mss, |
| 783 | { int2str(cpars.rtp_payload_type) }, |
| 784 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 785 | cpars.rtp_sdp_format)), |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 786 | valueof(ts_SDP_ptime(20)) })); |
| 787 | if (cpars.use_osmux) { |
| 788 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 789 | if (osmux_cid != 0) { /* we expect MSC to use specific CID here */ |
| 790 | setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != 0"); |
| 791 | mtc.stop; |
| 792 | } |
| 793 | mgcp_resp := ts_MDCX_ACK_osmux(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, osmux_cid, sdp); |
| 794 | } else { |
| 795 | mgcp_resp := ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp); |
| 796 | } |
| 797 | MGCP.send(mgcp_resp); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | /* MDCX setting up the CN side remote RTP address received from MNCC CONNECT */ |
| 801 | [] MGCP.receive(tr_MDCX) -> value mgcp_cmd { |
| 802 | log("f_mt_call_complete 9"); |
| 803 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss, |
| 804 | hex2str(cpars.mgcp_call_id), "42", |
| 805 | cpars.mgw_rtp_port_mss, |
| 806 | { int2str(cpars.rtp_payload_type) }, |
| 807 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 808 | cpars.rtp_sdp_format)), |
| 809 | valueof(ts_SDP_ptime(20)) })); |
| 810 | MGCP.send(ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp)); |
| 811 | } |
| 812 | |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 813 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 814 | } else { |
| 815 | var template TransportLayerAddress rab_tla := ? /* FIXME: encode the mgw_rtp_ip_bss/mgw_rtp_port_bss */ |
| 816 | var template RAB_SetupOrModifyList rab_sml := tr_RAB_SML(rab_id := ?, tla := rab_tla, binding_id := ?); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 817 | |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 818 | interleave { |
| 819 | [] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd { |
| 820 | var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars)); |
| 821 | MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp)); |
| 822 | /* MSC acknowledges the MNCC_CREATE to the MNCC handler */ |
| 823 | MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref)); |
| 824 | } |
| 825 | [] BSSAP.receive(tr_RANAP_RabAssReq(rab_sml)) { |
| 826 | //BSSAP.send(ts_RANAP_RabAssResp(rab_sml)); FIXME |
| 827 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 828 | |
| 829 | /* FIXME: same MNCC and MGCP as in 2G above */ |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 830 | } |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 831 | } |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 832 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 833 | log("f_mt_call_complete DONE"); |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 834 | } |
| 835 | |
Harald Welte | e035e3e | 2019-04-21 17:32:05 +0200 | [diff] [blame] | 836 | function f_expect_paging(boolean by_tmsi := true) |
| 837 | runs on BSC_ConnHdlr { |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 838 | if (g_pars.ran_is_geran) { |
| 839 | BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi)); |
| 840 | } else { |
Harald Welte | 62113fc | 2019-05-09 13:04:02 +0200 | [diff] [blame] | 841 | BSSAP.receive(tr_RANAP_Paging(cs_domain, imsi_hex2oct(g_pars.imsi))); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 842 | } |
Harald Welte | e035e3e | 2019-04-21 17:32:05 +0200 | [diff] [blame] | 843 | } |
| 844 | |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 845 | function f_mt_call_establish(inout CallParameters cpars) |
| 846 | runs on BSC_ConnHdlr { |
| 847 | |
| 848 | /* Initiate the call via MNCC */ |
| 849 | f_mt_call_initate(cpars); |
| 850 | |
| 851 | /* BSC <- MSC: Expect paging. FIXME: By TMSI or not? */ |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 852 | f_ran_register_imsi(g_pars.imsi, g_pars.tmsi); |
Harald Welte | e035e3e | 2019-04-21 17:32:05 +0200 | [diff] [blame] | 853 | f_expect_paging() |
Harald Welte | 4263c52 | 2018-12-06 11:56:27 +0100 | [diff] [blame] | 854 | |
| 855 | /* Complete the call via BSSAP */ |
| 856 | f_mt_call_complete(cpars); |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 857 | |
Harald Welte | 33ec09b | 2018-02-10 15:34:46 +0100 | [diff] [blame] | 858 | setverdict(pass); |
| 859 | } |
| 860 | |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 861 | function f_mo_call_establish(inout CallParameters cpars) |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 862 | runs on BSC_ConnHdlr { |
| 863 | |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 864 | var MNCC_PDU mncc; |
| 865 | var MgcpCommand mgcp_cmd; |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 866 | var template MgcpResponse mgcp_resp; |
Philipp Maier | 2a98a73 | 2018-03-19 16:06:12 +0100 | [diff] [blame] | 867 | var boolean respond_to_dlcx; |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 868 | var PDU_BSSAP bssap; |
| 869 | var MgcpOsmuxCID osmux_cid; |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 870 | |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 871 | if (cpars.emergency) { |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 872 | f_establish_fully(EST_TYPE_EMERG_CALL); |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 873 | } else { |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 874 | f_establish_fully(EST_TYPE_MO_CALL); |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 875 | } |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 876 | |
| 877 | /* Create MNCC and MGCP expect */ |
| 878 | f_create_mncc_expect(hex2str(cpars.called_party)); |
| 879 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 880 | |
Harald Welte | 0bef21e | 2018-02-10 09:48:23 +0100 | [diff] [blame] | 881 | if (cpars.emergency) { |
| 882 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_EMERG_SETUP(cpars.transaction_id))); |
| 883 | } else { |
| 884 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_SETUP(cpars.transaction_id, cpars.called_party))); |
| 885 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 886 | |
| 887 | var BSSMAP_IE_AoIP_TransportLayerAddress tla_ass := |
| 888 | valueof(ts_BSSMAP_IE_AoIP_TLA4(f_inet_addr(cpars.mgw_rtp_ip_bss),cpars.mgw_rtp_port_bss)); |
| 889 | |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 890 | interleave { |
| 891 | [] MNCC.receive(tr_MNCC_SETUP_ind(?, tr_MNCC_number(hex2str(cpars.called_party)))) -> value mncc { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 892 | log("f_mo_call_establish 1: rx MNCC SETUP ind"); |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 893 | cpars.mncc_callref := mncc.u.signal.callref; |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 894 | MNCC.send(ts_MNCC_RTP_CREATE(cpars.mncc_callref)); |
| 895 | } |
| 896 | |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 897 | /* First MGCP CRCX (for BSS/RAN side) */ |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 898 | [] MGCP.receive(tr_CRCX) -> value mgcp_cmd { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 899 | log("f_mo_call_establish 2: rx 1st CRCX"); |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 900 | cpars.mgcp_call_id := f_MgcpCmd_extract_call_id(mgcp_cmd); |
Philipp Maier | f1e02bb | 2018-03-15 16:30:00 +0100 | [diff] [blame] | 901 | |
| 902 | /* When the endpoint contains a wildcard we keep the endpoint |
| 903 | * identifier we have set up in cpars. Otherwise we use the |
| 904 | * endpoint name that the call agent has supplied */ |
| 905 | if (match(mgcp_cmd.line.ep, t_MGCP_EP_wildcard) == false) { |
| 906 | cpars.mgcp_ep := mgcp_cmd.line.ep; |
| 907 | } |
| 908 | |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 909 | if (cpars.use_osmux) { |
| 910 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 911 | } |
| 912 | |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 913 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_bss, cpars.mgw_rtp_ip_bss, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 914 | hex2str(cpars.mgcp_call_id), "42", |
Harald Welte | 4017d55 | 2018-01-26 21:40:05 +0100 | [diff] [blame] | 915 | cpars.mgw_rtp_port_bss, |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 916 | { int2str(cpars.rtp_payload_type) }, |
| 917 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 918 | cpars.rtp_sdp_format)), |
| 919 | valueof(ts_SDP_ptime(20)) })); |
Philipp Maier | f1e02bb | 2018-03-15 16:30:00 +0100 | [diff] [blame] | 920 | |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 921 | if (cpars.use_osmux) { |
| 922 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 923 | if (osmux_cid != -1) { /* we expect MSC to use wildcard here */ |
| 924 | setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != -1"); |
| 925 | mtc.stop; |
| 926 | } |
| 927 | osmux_cid := 0; |
| 928 | mgcp_resp := ts_CRCX_ACK_osmux(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, osmux_cid, sdp); |
| 929 | } else { |
| 930 | mgcp_resp := ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, sdp); |
| 931 | } |
Philipp Maier | f1e02bb | 2018-03-15 16:30:00 +0100 | [diff] [blame] | 932 | f_mgcp_par_append(mgcp_resp.params, ts_MgcpParSpecEP(cpars.mgcp_ep)); |
| 933 | MGCP.send(mgcp_resp); |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 934 | } |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 935 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 936 | [] MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref)) { |
| 937 | log("f_mo_call_establish 3: rx RTP CREATE"); |
| 938 | /* Call Proceeding */ |
| 939 | MNCC.send(ts_MNCC_CALL_PROC_req(cpars.mncc_callref, cpars.mncc_bearer_cap)); |
| 940 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_CALL_PROC(cpars.transaction_id))); |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 941 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 942 | /* Alerting */ |
| 943 | MNCC.send(ts_MNCC_ALERT_req(cpars.mncc_callref)); |
Neels Hofmeyr | 59e0c6f | 2019-03-06 15:21:20 +0100 | [diff] [blame] | 944 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 945 | |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 946 | //[g_pars.ran_is_geran] BSSAP.receive(tr_BSSMAP_AssignmentReq(omit, tla_ass)) -> value bssap { |
| 947 | [] BSSAP.receive(tr_BSSMAP_AssignmentReq(omit, tla_ass)) -> value bssap { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 948 | log("f_mo_call_establish 4: rx Assignment Request"); |
| 949 | var BSSMAP_IE_AoIP_TransportLayerAddress tla; |
| 950 | var BSSMAP_IE_SpeechCodec codec; |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 951 | var BSSMAP_IE_Osmo_OsmuxCID osmuxCID; |
| 952 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 953 | tla := valueof(ts_BSSMAP_IE_AoIP_TLA4(f_inet_addr(cpars.bss_rtp_ip), cpars.bss_rtp_port)); |
| 954 | codec := valueof(ts_BSSMAP_IE_SpeechCodec({ts_CodecFR})); |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 955 | if (cpars.use_osmux) { |
| 956 | if (not ispresent(bssap.pdu.bssmap.assignmentRequest.osmuxCID)) { |
| 957 | setverdict(fail, "MSC sent AssignReq without expected OsmuxCID IE"); |
| 958 | mtc.stop; |
| 959 | } |
| 960 | osmuxCID := valueof(ts_OsmuxCID(0)); |
| 961 | if (cpars.use_osmux and not match(bssap.pdu.bssmap.assignmentRequest.osmuxCID, osmuxCID)) { |
| 962 | setverdict(fail, "MSC sent AssignReq without expected OsmuxCID IE"); |
| 963 | mtc.stop; |
| 964 | } |
| 965 | bssap := valueof(ts_BSSMAP_AssignmentComplete(omit, tla, codec, osmuxCID)); |
| 966 | } else { |
| 967 | bssap := valueof(ts_BSSMAP_AssignmentComplete(omit, tla, codec)); |
| 968 | } |
| 969 | BSSAP.send(bssap); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 970 | } |
| 971 | /* |
| 972 | [!g_pars.ran_is_geran] BSSAP.receive(tr_RANAP_RabAssReq(rab_sml)) { |
| 973 | //BSSAP.send(ts_RANAP_RabAssResp(rab_sml)); FIXME |
| 974 | } |
| 975 | */ |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 976 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 977 | /* MDCX setting up the RAN side remote RTP address received from Assignment Complete */ |
| 978 | [] MGCP.receive(tr_MDCX) -> value mgcp_cmd { |
| 979 | log("f_mo_call_establish 5: rx MDCX for the RAN side"); |
| 980 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss, |
| 981 | hex2str(cpars.mgcp_call_id), "42", |
| 982 | cpars.mgw_rtp_port_mss, |
| 983 | { int2str(cpars.rtp_payload_type) }, |
| 984 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 985 | cpars.rtp_sdp_format)), |
| 986 | valueof(ts_SDP_ptime(20)) })); |
Pau Espin Pedrol | a65697d | 2019-05-21 12:54:39 +0200 | [diff] [blame] | 987 | |
| 988 | if (cpars.use_osmux) { |
| 989 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 990 | if (osmux_cid != 0) { /* we expect MSC to use specific CID here */ |
| 991 | setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != 0"); |
| 992 | mtc.stop; |
| 993 | } |
| 994 | mgcp_resp := ts_MDCX_ACK_osmux(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_bss, osmux_cid, sdp); |
| 995 | } else { |
| 996 | mgcp_resp := ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp); |
| 997 | } |
| 998 | MGCP.send(mgcp_resp); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 999 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1000 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1001 | /* Second MGCP CRCX (this time for MSS/CN side) */ |
| 1002 | [] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd { |
| 1003 | log("f_mo_call_establish 6: rx 2nd CRCX, for CN side"); |
| 1004 | var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars)); |
| 1005 | MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp)); |
| 1006 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1007 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1008 | [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_ALERTING(cpars.transaction_id))) { |
| 1009 | log("f_mo_call_establish 7: rx CC Alerting"); |
| 1010 | cpars.mncc_callref := mncc.u.signal.callref; |
| 1011 | /* Call Proceeding */ |
| 1012 | MNCC.send(ts_MNCC_RTP_CONNECT(cpars.mncc_callref, |
| 1013 | /* ip 42.23.11.5 */ hex2int('42231105'H), |
| 1014 | /* port 423 */ 423, |
| 1015 | /* payload type 3 = GSM FR */ 3)); |
| 1016 | MNCC.send(ts_MNCC_SETUP_rsp(cpars.mncc_callref)); |
| 1017 | } |
| 1018 | |
| 1019 | [] MNCC.receive(tr_MNCC_SETUP_COMPL_ind(?)) -> value mncc { |
| 1020 | log("f_mo_call_establish 8: rx MNCC SETUP COMPLETE ind"); |
| 1021 | } |
| 1022 | |
| 1023 | /* second MDCX setting up the CN side remote RTP address and codec received from MNCC RTP CONNECT */ |
| 1024 | [] MGCP.receive(tr_MDCX) -> value mgcp_cmd { |
| 1025 | log("f_mo_call_establish 9: rx MDCX for CN side"); |
| 1026 | var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss, |
| 1027 | hex2str(cpars.mgcp_call_id), "42", |
| 1028 | cpars.mgw_rtp_port_mss, |
| 1029 | { int2str(cpars.rtp_payload_type) }, |
| 1030 | { valueof(ts_SDP_rtpmap(cpars.rtp_payload_type, |
| 1031 | cpars.rtp_sdp_format)), |
| 1032 | valueof(ts_SDP_ptime(20)) })); |
| 1033 | MGCP.send(ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp)); |
| 1034 | } |
| 1035 | |
| 1036 | [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_CONNECT(cpars.transaction_id))) { |
| 1037 | log("f_mo_call_establish 10: rx CC CONNECT"); |
| 1038 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_CONNECT_ACK(cpars.transaction_id))); |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1039 | } |
| 1040 | } |
| 1041 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1042 | log("f_mo_call_establish DONE"); |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1043 | setverdict(pass); |
| 1044 | } |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1045 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1046 | private altstep as_optional_mgcp_mdcx() runs on BSC_ConnHdlr { |
| 1047 | [] MGCP.receive(tr_MDCX) {}; |
| 1048 | } |
| 1049 | |
Harald Welte | 4c422b7 | 2019-02-17 16:27:10 +0100 | [diff] [blame] | 1050 | function f_call_hangup(inout CallParameters cpars, boolean release_by_ms, boolean is_csfb := false) |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1051 | runs on BSC_ConnHdlr { |
| 1052 | |
| 1053 | var MobileIdentityLV mi; |
| 1054 | var MNCC_PDU mncc; |
| 1055 | var MgcpCommand mgcp_cmd; |
| 1056 | var boolean respond_to_dlcx; |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1057 | var boolean dlcx_contained_ci := false; |
| 1058 | var template PDU_BSSAP t_clear := tr_BSSMAP_ClearCommand; |
| 1059 | |
| 1060 | if (is_csfb) { |
| 1061 | t_clear := tr_BSSMAP_ClearCommandCSFB; |
| 1062 | } |
| 1063 | |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1064 | MNCC.send(ts_MNCC_DISC_req(cpars.mncc_callref, valueof(ts_MNCC_cause(23)))); |
| 1065 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_DISC(cpars.transaction_id))); |
| 1066 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1067 | log("f_call_hangup 1: rx DTAP CC DISC"); |
| 1068 | |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1069 | if (release_by_ms) { |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1070 | var BIT1 tid_remote := '1'B; |
| 1071 | if (cpars.mo_call) { |
| 1072 | tid_remote := '0'B; |
| 1073 | } |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1074 | /* B-side (MS) Release of call */ |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1075 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_RELEASE(cpars.transaction_id, tid_remote, '0000000'B))); |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1076 | MNCC.receive(tr_MNCC_REL_ind(cpars.mncc_callref)); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1077 | log("f_call_hangup 2: rx MNCC REL ind"); |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1078 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_REL_COMPL(cpars.transaction_id))); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1079 | log("f_call_hangup 3: rx DTAP CC REL COMPL"); |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1080 | } else { |
| 1081 | /* A-side (PLMN) Release of call */ |
| 1082 | MNCC.send(ts_MNCC_REL_req(cpars.mncc_callref, valueof(ts_MNCC_cause(42)))); |
| 1083 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_CC_RELEASE(cpars.transaction_id))); |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1084 | log("f_call_hangup 4: rx DTAP CC RELEASE"); |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1085 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_REL_COMPL(cpars.transaction_id))); |
| 1086 | } |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1087 | |
Philipp Maier | 2a98a73 | 2018-03-19 16:06:12 +0100 | [diff] [blame] | 1088 | respond_to_dlcx := not (isbound(cpars.mgw_drop_dlcx) and valueof(cpars.mgw_drop_dlcx)); |
| 1089 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1090 | var default mdcx := activate(as_optional_mgcp_mdcx()); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1091 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1092 | /* clearing of radio channel */ |
| 1093 | interleave { |
| 1094 | //[g_pars.ran_is_geran] BSSAP.receive(t_clear) { |
| 1095 | [] BSSAP.receive(t_clear) { |
| 1096 | log("f_call_hangup 5: rx BSSAP Clear Command"); |
| 1097 | BSSAP.send(ts_BSSMAP_ClearComplete); |
| 1098 | BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND); |
| 1099 | log("f_call_hangup 6: rx SCCP DISC"); |
Philipp Maier | 2a98a73 | 2018-03-19 16:06:12 +0100 | [diff] [blame] | 1100 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1101 | /* |
| 1102 | [!g_pars.ran_is_geran] BSSAP.receive(t_iurel) { |
| 1103 | BSSAP.send(ts_RANAP_IuReleaseComplete); |
| 1104 | BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1105 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1106 | */ |
| 1107 | [] MGCP.receive(tr_DLCX(?)) -> value mgcp_cmd { |
| 1108 | log("f_call_hangup 7: rx MGCP DLCX"); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1109 | if (respond_to_dlcx) { |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1110 | MGCP.send(ts_DLCX_ACK2(mgcp_cmd.line.trans_id)); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1111 | } |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1112 | dlcx_contained_ci := f_MgcpCmd_contains_par(mgcp_cmd, "I"); |
| 1113 | } |
| 1114 | } |
| 1115 | |
| 1116 | /* Two DLCXes expected, one for RAN and one for CN side. |
| 1117 | * Unless the first DLCX did not contain a CI, in which case it was a wildcard DLCX for both. */ |
| 1118 | if (dlcx_contained_ci) { |
| 1119 | MGCP.receive(tr_DLCX(?)) -> value mgcp_cmd { |
| 1120 | log("f_call_hangup 8: rx MGCP DLCX"); |
| 1121 | if (respond_to_dlcx) { |
| 1122 | MGCP.send(ts_DLCX_ACK2(mgcp_cmd.line.trans_id)); |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1123 | } |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1124 | } |
| 1125 | } |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1126 | |
Neels Hofmeyr | 2ca1ab4 | 2019-03-08 03:45:43 +0100 | [diff] [blame] | 1127 | f_create_mgcp_delete_ep(cpars.mgcp_ep); |
| 1128 | log("f_call_hangup 9: done"); |
| 1129 | |
| 1130 | deactivate(mdcx); |
| 1131 | |
Philipp Maier | 3716a5e | 2018-03-21 15:53:35 +0100 | [diff] [blame] | 1132 | setverdict(pass); |
| 1133 | } |
| 1134 | |
| 1135 | function f_mt_call(inout CallParameters cpars) |
| 1136 | runs on BSC_ConnHdlr { |
| 1137 | |
| 1138 | f_mt_call_establish(cpars); |
| 1139 | |
| 1140 | /* Hold the call for some time */ |
| 1141 | f_sleep(3.0); |
| 1142 | |
| 1143 | f_call_hangup(cpars, true); |
| 1144 | |
| 1145 | setverdict(pass); |
| 1146 | } |
| 1147 | |
| 1148 | function f_mo_call(inout CallParameters cpars) |
| 1149 | runs on BSC_ConnHdlr { |
| 1150 | |
| 1151 | f_mo_call_establish(cpars); |
| 1152 | |
| 1153 | /* Hold the call for some time */ |
| 1154 | f_sleep(3.0); |
| 1155 | |
| 1156 | f_call_hangup(cpars, false); |
| 1157 | |
Harald Welte | b71901a | 2018-01-26 19:16:05 +0100 | [diff] [blame] | 1158 | setverdict(pass); |
| 1159 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 1160 | |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1161 | function f_mo_seq_dtmf_dup(inout CallParameters cpars) |
| 1162 | runs on BSC_ConnHdlr { |
| 1163 | |
| 1164 | timer T := 1.0; |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1165 | var MNCC_PDU mncc; |
| 1166 | var MgcpCommand mgcp_cmd; |
| 1167 | var template PDU_ML3_MS_NW dtmf_dtap; |
| 1168 | |
Harald Welte | b9e86fa | 2018-04-09 18:18:31 +0200 | [diff] [blame] | 1169 | f_establish_fully(); |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1170 | |
| 1171 | /* Create MNCC and MGCP expect */ |
| 1172 | f_create_mncc_expect(hex2str(cpars.called_party)); |
| 1173 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 1174 | |
| 1175 | BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_SETUP(cpars.transaction_id, cpars.called_party))); |
| 1176 | MNCC.receive(tr_MNCC_SETUP_ind(?, tr_MNCC_number(hex2str(cpars.called_party)))) -> value mncc; |
| 1177 | cpars.mncc_callref := mncc.u.signal.callref; |
| 1178 | |
| 1179 | /* Send DTMF */ |
| 1180 | dtmf_dtap := ts_ML3_MO_CC_START_DTMF(cpars.transaction_id, "2"); |
| 1181 | dtmf_dtap.msgs.cc.startDTMF.nsd := int2bit(2, 2); |
Daniel Willmann | 92f6627 | 2018-02-06 15:50:52 +0100 | [diff] [blame] | 1182 | BSSAP.send(ts_PDU_DTAP_MO(dtmf_dtap, '00'O, true)); |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1183 | T.start; |
| 1184 | alt { |
| 1185 | [] MNCC.receive(tr_MNCC_START_DTMF_ind(cpars.mncc_callref, "2")) {} |
| 1186 | [] T.timeout { |
| 1187 | setverdict(fail, "Timeout waiting for START_DTMF_ind"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1188 | mtc.stop; |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1189 | } |
| 1190 | } |
| 1191 | |
Daniel Willmann | 92f6627 | 2018-02-06 15:50:52 +0100 | [diff] [blame] | 1192 | BSSAP.send(ts_PDU_DTAP_MO(dtmf_dtap, '00'O, true)); |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1193 | T.start; |
| 1194 | alt { |
| 1195 | [] MNCC.receive(tr_MNCC_START_DTMF_ind(cpars.mncc_callref, "2")) { |
| 1196 | setverdict(fail, "Received duplicate START_DTMF_ind"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1197 | mtc.stop; |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1198 | } |
| 1199 | [] T.timeout { } |
| 1200 | } |
| 1201 | |
| 1202 | dtmf_dtap := ts_ML3_MO_CC_START_DTMF(cpars.transaction_id, "3"); |
| 1203 | dtmf_dtap.msgs.cc.startDTMF.nsd := int2bit(3, 2); |
Daniel Willmann | 92f6627 | 2018-02-06 15:50:52 +0100 | [diff] [blame] | 1204 | BSSAP.send(ts_PDU_DTAP_MO(dtmf_dtap, '00'O, true)); |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1205 | alt { |
| 1206 | [] MNCC.receive(tr_MNCC_START_DTMF_ind(cpars.mncc_callref, "3")) { } |
| 1207 | [] T.timeout { |
| 1208 | setverdict(fail, "Received duplicate START_DTMF_ind"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1209 | mtc.stop; |
Daniel Willmann | 8b08437 | 2018-02-04 13:35:26 +0100 | [diff] [blame] | 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | setverdict(pass); |
| 1214 | } |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1215 | |
Harald Welte | 1ddc716 | 2018-01-27 14:25:46 +0100 | [diff] [blame] | 1216 | /* expect a clear command */ |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1217 | altstep as_clear_cmd_compl_disc(float t := 5.0) runs on BSC_ConnHdlr { |
Neels Hofmeyr | 6b468a4 | 2019-03-06 15:25:14 +0100 | [diff] [blame] | 1218 | var PDU_BSSAP bssap; |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1219 | [] BSSAP.receive(tr_BSSMAP_ClearCommand) { |
| 1220 | BSSAP.send(ts_BSSMAP_ClearComplete); |
| 1221 | alt { |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 1222 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) { |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1223 | setverdict(pass); |
| 1224 | } |
| 1225 | [] BSSAP.receive { |
| 1226 | setverdict(fail, "Unexpected BSSMAP while waiting for SCCP Release"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1227 | mtc.stop; |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1228 | } |
| 1229 | } |
| 1230 | } |
Neels Hofmeyr | 6b468a4 | 2019-03-06 15:25:14 +0100 | [diff] [blame] | 1231 | [] BSSAP.receive(tr_BSSAP_BSSMAP) -> value bssap { |
| 1232 | setverdict(fail, "Unexpected BSSMAP while waiting for ClearCommand", bssap); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1233 | mtc.stop; |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1234 | } |
| 1235 | } |
| 1236 | |
Harald Welte | 1ddc716 | 2018-01-27 14:25:46 +0100 | [diff] [blame] | 1237 | function f_expect_clear(float t := 5.0) runs on BSC_ConnHdlr { |
| 1238 | timer T := t; |
| 1239 | |
| 1240 | T.start; |
| 1241 | alt { |
Harald Welte | 9b751a6 | 2019-04-14 17:39:29 +0200 | [diff] [blame] | 1242 | [g_pars.ran_is_geran] as_clear_cmd_compl_disc(t) { } |
| 1243 | [not g_pars.ran_is_geran] as_iu_release_compl_disc(t) { } |
Harald Welte | 1ddc716 | 2018-01-27 14:25:46 +0100 | [diff] [blame] | 1244 | [] T.timeout { |
Harald Welte | 5946b33 | 2018-03-18 23:32:21 +0100 | [diff] [blame] | 1245 | setverdict(fail, "Timeout waiting for ClearCommand/Release"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1246 | mtc.stop; |
Harald Welte | 1ddc716 | 2018-01-27 14:25:46 +0100 | [diff] [blame] | 1247 | } |
| 1248 | } |
| 1249 | } |
| 1250 | |
Neels Hofmeyr | 0ac6315 | 2019-05-07 01:20:17 +0200 | [diff] [blame] | 1251 | function f_create_bssmap_exp_handoverRequest(integer targetPointCode) runs on BSC_ConnHdlr { |
| 1252 | BSSAP_PROC.call(RAN_register_handoverRequest:{targetPointCode, self}) { |
| 1253 | [] BSSAP_PROC.getreply(RAN_register_handoverRequest:{?, ?}) {}; |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | function f_bssmap_last_n_sd() runs on BSC_ConnHdlr return N_Sd_Array { |
| 1258 | var N_Sd_Array last_n_sd; |
| 1259 | BSSAP_PROC.call(RAN_last_n_sd:{self, -}) { |
| 1260 | [] BSSAP_PROC.getreply(RAN_last_n_sd:{self, ?}) -> param(last_n_sd) { |
| 1261 | return last_n_sd; |
| 1262 | }; |
| 1263 | } |
| 1264 | } |
| 1265 | |
| 1266 | function f_bssmap_continue_after_n_sd(N_Sd_Array last_n_sd) runs on BSC_ConnHdlr { |
| 1267 | BSSAP_PROC.call(RAN_continue_after_n_sd:{last_n_sd, self}) { |
| 1268 | [] BSSAP_PROC.getreply(RAN_continue_after_n_sd:{last_n_sd, self}); |
| 1269 | } |
| 1270 | } |
| 1271 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1272 | type record SmsParametersTp { |
| 1273 | OCT1 msg_ref, |
| 1274 | TP_DA da, |
| 1275 | OCT1 pid, |
| 1276 | OCT1 dcs, |
| 1277 | integer udl, |
| 1278 | octetstring ud |
| 1279 | } |
| 1280 | type record SmsParametersRp { |
| 1281 | OCT1 msg_ref, |
| 1282 | RP_NumberingPlan_and_NumberDigits orig optional, |
| 1283 | RP_NumberingPlan_and_NumberDigits dest optional |
| 1284 | } |
| 1285 | type record SmsParameters { |
| 1286 | SmsParametersTp tp, |
| 1287 | SmsParametersRp rp, |
| 1288 | uint3_t tid, |
| 1289 | OCT1 dlci, |
| 1290 | uint7_t exp_rp_err optional |
| 1291 | } |
| 1292 | |
| 1293 | template (value) TP_DA ts_TP_DA(BIT4 npl, BIT3 ton, hexstring addr) := { |
| 1294 | tP_DA_NoPad := { |
| 1295 | tP_LengthIndicator := 0, /* overwritten */ |
| 1296 | tP_NumberingPlanID := npl, |
| 1297 | tP_TypeOfNumber := ton, |
| 1298 | tp_Spare := '0'B, |
| 1299 | tP_DAValue := addr |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | template (value) SmsParameters t_SmsPars(hexstring tp_daddr := '12345'H) := { |
| 1304 | tp := { |
| 1305 | msg_ref := '23'O, |
| 1306 | da := ts_TP_DA('0000'B, '000'B, tp_daddr), |
| 1307 | pid := '00'O, |
| 1308 | dcs := '00'O, |
| 1309 | udl := 0, |
| 1310 | ud := ''O |
| 1311 | }, |
| 1312 | rp := { |
| 1313 | msg_ref := '42'O, |
| 1314 | orig := omit, |
| 1315 | dest := { '0000'B, '000'B, '0'B, '98765'H } |
| 1316 | }, |
| 1317 | tid := 0, |
| 1318 | dlci := '03'O, |
| 1319 | exp_rp_err := omit |
| 1320 | } |
| 1321 | |
| 1322 | private altstep as_other_sms() runs on BSC_ConnHdlr { |
| 1323 | [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_SMS(?, ?, ?), ?)) { |
| 1324 | setverdict(fail, "Unexpected SMS related PDU from MSC"); |
Daniel Willmann | afce866 | 2018-07-06 23:11:32 +0200 | [diff] [blame] | 1325 | mtc.stop; |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1326 | } |
| 1327 | } |
| 1328 | |
Vadim Yanitskiy | 9cc019a | 2018-11-15 02:06:07 +0700 | [diff] [blame] | 1329 | /* Submit a MO RP-SMMA over an already existing DTAP connection */ |
| 1330 | function f_mo_smma(inout SmsParameters spars) |
| 1331 | runs on BSC_ConnHdlr { |
| 1332 | var template (value) RPDU_MS_SGSN rp_mo; |
| 1333 | var template (value) PDU_ML3_MS_NW l3_mo; |
| 1334 | |
| 1335 | var default d := activate(as_other_sms()); |
| 1336 | |
| 1337 | /* just in case this is routed to SMPP.. */ |
| 1338 | f_create_smpp_expect(hex2str(spars.tp.da.tP_DA_NoPad.tP_DAValue)); |
| 1339 | |
| 1340 | rp_mo := ts_RP_SMMA_MO(spars.rp.msg_ref); |
| 1341 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_ORIG, ts_CP_DATA_MO(rp_mo)); |
| 1342 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1343 | /* receive CP-ACK for CP-DATA above */ |
| 1344 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_SMS(spars.tid, c_TIF_REPL, tr_CP_ACK_MT), spars.dlci)); |
| 1345 | |
| 1346 | deactivate(d); |
| 1347 | setverdict(pass); |
| 1348 | } |
| 1349 | |
Vadim Yanitskiy | d4cc150 | 2018-11-12 01:46:21 +0700 | [diff] [blame] | 1350 | /* Submit a MO-SMS over an already existing DTAP connection */ |
| 1351 | function f_mo_sms_submit(inout SmsParameters spars) |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1352 | runs on BSC_ConnHdlr { |
| 1353 | var template (value) TPDU_RP_DATA_MS_SGSN tp_mo; |
| 1354 | var template (value) RPDU_MS_SGSN rp_mo; |
| 1355 | var template (value) PDU_ML3_MS_NW l3_mo; |
| 1356 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1357 | var default d := activate(as_other_sms()); |
| 1358 | |
Harald Welte | f640a01 | 2018-04-14 17:49:21 +0200 | [diff] [blame] | 1359 | /* just in case this is routed to SMPP.. */ |
| 1360 | f_create_smpp_expect(hex2str(spars.tp.da.tP_DA_NoPad.tP_DAValue)); |
| 1361 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1362 | tp_mo := ts_SMS_SUBMIT(spars.tp.msg_ref, spars.tp.da, spars.tp.pid, spars.tp.dcs, |
| 1363 | spars.tp.udl, spars.tp.ud); |
| 1364 | rp_mo := ts_RP_DATA_MO(spars.rp.msg_ref, spars.rp.orig, spars.rp.dest, tp_mo); |
| 1365 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_ORIG, ts_CP_DATA_MO(rp_mo)); |
| 1366 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1367 | /* receive CP-ACK for CP-DATA above */ |
| 1368 | BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_SMS(spars.tid, c_TIF_REPL, tr_CP_ACK_MT), spars.dlci)); |
| 1369 | |
Vadim Yanitskiy | d4cc150 | 2018-11-12 01:46:21 +0700 | [diff] [blame] | 1370 | deactivate(d); |
| 1371 | setverdict(pass); |
| 1372 | } |
| 1373 | |
| 1374 | /* Wait RP-ACK for MO-SMS on an already existing DTAP connection */ |
| 1375 | function f_mo_sms_wait_rp_ack(inout SmsParameters spars) |
| 1376 | runs on BSC_ConnHdlr { |
| 1377 | var template (value) PDU_ML3_MS_NW l3_mo; |
| 1378 | |
| 1379 | var template TPDU_RP_DATA_SGSN_MS tp_mt; |
| 1380 | var template RPDU_SGSN_MS rp_mt; |
| 1381 | var template PDU_ML3_NW_MS l3_mt; |
| 1382 | |
| 1383 | var default d := activate(as_other_sms()); |
| 1384 | |
| 1385 | /* just in case this is routed to SMPP.. */ |
| 1386 | f_create_smpp_expect(hex2str(spars.tp.da.tP_DA_NoPad.tP_DAValue)); |
| 1387 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1388 | if (ispresent(spars.exp_rp_err)) { |
| 1389 | /* expect an RP-ERROR message from MSC with given cause */ |
| 1390 | rp_mt := tr_RP_ERROR_MT(spars.rp.msg_ref, spars.exp_rp_err); |
| 1391 | l3_mt := tr_ML3_MT_SMS(spars.tid, c_TIF_REPL, tr_CP_DATA_MT(rp_mt)); |
| 1392 | BSSAP.receive(tr_PDU_DTAP_MT(l3_mt, spars.dlci)); |
| 1393 | /* send CP-ACK for CP-DATA just received */ |
| 1394 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_ORIG, ts_CP_ACK_MO); |
| 1395 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1396 | } else { |
| 1397 | /* expect RP-ACK for RP-DATA */ |
| 1398 | rp_mt := tr_RP_ACK_MT(spars.rp.msg_ref); |
| 1399 | l3_mt := tr_ML3_MT_SMS(spars.tid, c_TIF_REPL, tr_CP_DATA_MT(rp_mt)); |
| 1400 | BSSAP.receive(tr_PDU_DTAP_MT(l3_mt, spars.dlci)); |
| 1401 | /* send CP-ACO for CP-DATA just received */ |
| 1402 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_ORIG, ts_CP_ACK_MO); |
| 1403 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1404 | } |
Vadim Yanitskiy | d4cc150 | 2018-11-12 01:46:21 +0700 | [diff] [blame] | 1405 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1406 | deactivate(d); |
| 1407 | setverdict(pass); |
| 1408 | } |
| 1409 | |
Vadim Yanitskiy | d4cc150 | 2018-11-12 01:46:21 +0700 | [diff] [blame] | 1410 | /* Submit a MO-SMS, and wait for RP-ACK on an existing |
| 1411 | * (and authenticated, ...) DTAP connection */ |
| 1412 | function f_mo_sms(inout SmsParameters spars) |
| 1413 | runs on BSC_ConnHdlr { |
| 1414 | f_mo_sms_submit(spars); |
| 1415 | f_mo_sms_wait_rp_ack(spars); |
| 1416 | } |
| 1417 | |
Vadim Yanitskiy | 2159acb | 2018-11-24 02:50:29 +0700 | [diff] [blame] | 1418 | /* Wait for MT SMS on an already existing DTAP connection */ |
| 1419 | function f_mt_sms_expect(inout SmsParameters spars) |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1420 | runs on BSC_ConnHdlr { |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1421 | var template (value) PDU_ML3_MS_NW l3_mo; |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1422 | var template TPDU_RP_DATA_SGSN_MS tp_mt; |
| 1423 | var template RPDU_SGSN_MS rp_mt; |
| 1424 | var template PDU_ML3_NW_MS l3_mt; |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1425 | var PDU_DTAP_MT dtap_mt; |
| 1426 | |
| 1427 | var default d := activate(as_other_sms()); |
| 1428 | |
| 1429 | /* Expect CP-DATA(RP-DATA(SMS-DELIVER)) */ |
| 1430 | tp_mt := tr_SMS_DELIVER(?, spars.tp.ud, spars.tp.pid, spars.tp.dcs, ?); |
| 1431 | rp_mt := tr_RP_DATA_MT(?, ?, omit, tp_mt); |
| 1432 | l3_mt := tr_ML3_MT_SMS(?, c_TIF_ORIG, tr_CP_DATA_MT(rp_mt)); |
| 1433 | BSSAP.receive(tr_PDU_DTAP_MT(l3_mt, spars.dlci)) -> value dtap_mt; |
Vadim Yanitskiy | 2159acb | 2018-11-24 02:50:29 +0700 | [diff] [blame] | 1434 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1435 | /* Extract relevant identifiers */ |
| 1436 | spars.tid := bit2int(dtap_mt.dtap.tiOrSkip.transactionId.tio); |
| 1437 | spars.rp.msg_ref := dtap_mt.dtap.msgs.sms.cP_DATA.cP_User_Data.cP_RPDU.rP_DATA_SGSN_MS.rP_MessageReference; |
| 1438 | |
| 1439 | /* send CP-ACK for CP-DATA just received */ |
| 1440 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_REPL, ts_CP_ACK_MO); |
| 1441 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1442 | |
Vadim Yanitskiy | 2159acb | 2018-11-24 02:50:29 +0700 | [diff] [blame] | 1443 | deactivate(d); |
| 1444 | setverdict(pass); |
| 1445 | } |
| 1446 | |
| 1447 | /* Send RP-ACK for MT-SMS over an already existing DTAP connection */ |
| 1448 | function f_mt_sms_send_rp_ack(inout SmsParameters spars) |
| 1449 | runs on BSC_ConnHdlr { |
| 1450 | var template (value) RPDU_MS_SGSN rp_mo; |
| 1451 | var template (value) PDU_ML3_MS_NW l3_mo; |
| 1452 | var template PDU_ML3_NW_MS l3_mt; |
| 1453 | |
| 1454 | var default d := activate(as_other_sms()); |
| 1455 | |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1456 | /* send RP-ACK for RP-DATA */ |
| 1457 | rp_mo := ts_RP_ACK_MO(spars.rp.msg_ref); |
| 1458 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_REPL, ts_CP_DATA_MO(rp_mo)); |
| 1459 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1460 | |
| 1461 | /* expect CP-ACK for CP-DATA(RP-ACK) just sent */ |
Harald Welte | e008eea | 2018-04-14 21:05:48 +0200 | [diff] [blame] | 1462 | l3_mt := tr_ML3_MT_SMS(spars.tid, c_TIF_ORIG, tr_CP_ACK_MT); |
Harald Welte | f45efeb | 2018-04-09 18:19:24 +0200 | [diff] [blame] | 1463 | BSSAP.receive(tr_PDU_DTAP_MT(l3_mt, spars.dlci)); |
| 1464 | |
| 1465 | deactivate(d); |
| 1466 | setverdict(pass); |
| 1467 | } |
| 1468 | |
Vadim Yanitskiy | 5631852 | 2018-11-24 03:40:47 +0700 | [diff] [blame] | 1469 | /* Send RP-ERROR for MT-SMS over an already existing DTAP connection */ |
| 1470 | function f_mt_sms_send_rp_error(inout SmsParameters spars, uint7_t cause) |
| 1471 | runs on BSC_ConnHdlr { |
| 1472 | var template (value) RPDU_MS_SGSN rp_mo; |
| 1473 | var template (value) PDU_ML3_MS_NW l3_mo; |
| 1474 | var template PDU_ML3_NW_MS l3_mt; |
| 1475 | |
| 1476 | var default d := activate(as_other_sms()); |
| 1477 | |
| 1478 | /* send RP-ACK for RP-DATA */ |
| 1479 | rp_mo := ts_RP_ERROR_MO(spars.rp.msg_ref, cause); |
| 1480 | l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_REPL, ts_CP_DATA_MO(rp_mo)); |
| 1481 | BSSAP.send(ts_PDU_DTAP_MO(l3_mo, spars.dlci, true)); |
| 1482 | |
| 1483 | /* expect CP-ACK for CP-DATA(RP-ERROR) just sent */ |
| 1484 | l3_mt := tr_ML3_MT_SMS(spars.tid, c_TIF_ORIG, tr_CP_ACK_MT); |
| 1485 | BSSAP.receive(tr_PDU_DTAP_MT(l3_mt, spars.dlci)); |
| 1486 | |
| 1487 | deactivate(d); |
| 1488 | setverdict(pass); |
| 1489 | } |
| 1490 | |
Vadim Yanitskiy | 2159acb | 2018-11-24 02:50:29 +0700 | [diff] [blame] | 1491 | /* Wait for a MT-SMS and send RP-ACK over an already existing |
| 1492 | * (and authenticated, ...) DTAP connection */ |
| 1493 | function f_mt_sms(inout SmsParameters spars) |
| 1494 | runs on BSC_ConnHdlr { |
| 1495 | f_mt_sms_expect(spars); |
| 1496 | f_mt_sms_send_rp_ack(spars); |
| 1497 | } |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 1498 | |
| 1499 | |
Harald Welte | a49e36e | 2018-01-21 19:29:33 +0100 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | |