Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 1 | module SGSN_Tests { |
| 2 | |
| 3 | import from General_Types all; |
| 4 | import from Osmocom_Types all; |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 5 | import from Native_Functions all; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 6 | import from NS_Types all; |
| 7 | import from NS_Emulation all; |
| 8 | import from BSSGP_Types all; |
| 9 | import from BSSGP_Emulation all; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 10 | import from Osmocom_Gb_Types all; |
| 11 | |
| 12 | import from MobileL3_CommonIE_Types all; |
| 13 | import from MobileL3_GMM_SM_Types all; |
| 14 | import from MobileL3_Types all; |
| 15 | import from L3_Templates all; |
| 16 | import from L3_Common all; |
| 17 | |
| 18 | import from GSUP_Emulation all; |
| 19 | import from GSUP_Types all; |
| 20 | import from IPA_Emulation all; |
| 21 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 22 | import from GTP_Emulation all; |
| 23 | import from GTP_Templates all; |
| 24 | import from GTP_CodecPort all; |
| 25 | import from GTPC_Types all; |
| 26 | import from GTPU_Types all; |
| 27 | |
Harald Welte | a2526a8 | 2018-02-18 19:03:36 +0100 | [diff] [blame] | 28 | import from LLC_Types all; |
| 29 | import from LLC_Templates all; |
| 30 | |
| 31 | import from SNDCP_Types all; |
| 32 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 33 | import from TELNETasp_PortType all; |
| 34 | import from Osmocom_VTY_Functions all; |
| 35 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 36 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 37 | modulepar { |
| 38 | /* IP/port on which we run our internal GSUP/HLR emulation */ |
| 39 | charstring mp_hlr_ip := "127.0.0.1"; |
| 40 | integer mp_hlr_port := 4222; |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 41 | charstring mp_ggsn_ip := "127.0.0.2"; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | type record GbInstance { |
| 45 | NS_CT vc_NS, |
| 46 | BSSGP_CT vc_BSSGP, |
| 47 | BssgpConfig cfg |
| 48 | }; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 49 | |
| 50 | type component test_CT { |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 51 | var GbInstance g_gb[3]; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 52 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 53 | var GSUP_Emulation_CT vc_GSUP; |
| 54 | var IPA_Emulation_CT vc_GSUP_IPA; |
| 55 | /* only to get events from IPA underneath GSUP */ |
| 56 | port IPA_CTRL_PT GSUP_IPA_EVENT; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 57 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 58 | var GTP_Emulation_CT vc_GTP; |
| 59 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 60 | port TELNETasp_PT SGSNVTY; |
| 61 | |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 62 | var boolean g_initialized := false; |
| 63 | }; |
| 64 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 65 | type component BSSGP_ConnHdlr extends BSSGP_Client_CT, GSUP_ConnHdlr, GTP_ConnHdlr { |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 66 | var BSSGP_ConnHdlrPars g_pars; |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 67 | timer g_Tguard; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | type record SGSN_ConnHdlrNetworkPars { |
| 71 | boolean expect_ptmsi, |
| 72 | boolean expect_auth, |
| 73 | boolean expect_ciph |
| 74 | }; |
| 75 | |
| 76 | type record BSSGP_ConnHdlrPars { |
| 77 | /* IMEI of the simulated ME */ |
| 78 | hexstring imei, |
| 79 | /* IMEI of the simulated MS */ |
| 80 | hexstring imsi, |
| 81 | /* MSISDN of the simulated MS (probably unused) */ |
| 82 | hexstring msisdn, |
| 83 | /* P-TMSI allocated to the simulated MS */ |
| 84 | OCT4 p_tmsi optional, |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 85 | OCT3 p_tmsi_sig optional, |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 86 | /* TLLI of the simulated MS */ |
| 87 | OCT4 tlli, |
Harald Welte | f70997d | 2018-02-17 10:11:19 +0100 | [diff] [blame] | 88 | OCT4 tlli_old optional, |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 89 | RoutingAreaIdentificationV ra optional, |
| 90 | BssgpCellId bssgp_cell_id, |
| 91 | AuthVector vec optional, |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 92 | SGSN_ConnHdlrNetworkPars net, |
| 93 | float t_guard |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 94 | }; |
| 95 | |
Harald Welte | 3fdbe82 | 2018-02-18 19:10:18 +0100 | [diff] [blame] | 96 | private function f_init_gb(inout GbInstance gb, charstring id) runs on test_CT { |
| 97 | gb.vc_NS := NS_CT.create(id & "-NS"); |
| 98 | gb.vc_BSSGP := BSSGP_CT.create(id & "-BSSGP"); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 99 | /* connect lower end of BSSGP emulation with NS upper port */ |
| 100 | connect(gb.vc_BSSGP:BSCP, gb.vc_NS:NS_SP); |
| 101 | /* connect lower end of NS emulation to NS codec port (on top of IPL4) */ |
| 102 | map(gb.vc_NS:NSCP, system:NS_CODEC_PORT); |
| 103 | |
| 104 | gb.vc_NS.start(NSStart()); |
| 105 | gb.vc_BSSGP.start(BssgpStart(gb.cfg)); |
| 106 | } |
| 107 | |
| 108 | private function f_init_gsup(charstring id) runs on test_CT { |
| 109 | id := id & "-GSUP"; |
| 110 | var GsupOps ops := { |
| 111 | create_cb := refers(GSUP_Emulation.ExpectedCreateCallback) |
| 112 | }; |
| 113 | |
| 114 | vc_GSUP_IPA := IPA_Emulation_CT.create(id & "-IPA"); |
| 115 | vc_GSUP := GSUP_Emulation_CT.create(id); |
| 116 | |
| 117 | map(vc_GSUP_IPA:IPA_PORT, system:IPA_CODEC_PT); |
| 118 | connect(vc_GSUP:GSUP, vc_GSUP_IPA:IPA_GSUP_PORT); |
| 119 | /* we use this hack to get events like ASP_IPA_EVENT_UP */ |
| 120 | connect(vc_GSUP_IPA:IPA_CTRL_PORT, self:GSUP_IPA_EVENT); |
| 121 | |
| 122 | vc_GSUP.start(GSUP_Emulation.main(ops, id)); |
| 123 | vc_GSUP_IPA.start(IPA_Emulation.main_server(mp_hlr_ip, mp_hlr_port)); |
| 124 | |
| 125 | /* wait for incoming connection to GSUP port before proceeding */ |
| 126 | timer T := 10.0; |
| 127 | T.start; |
| 128 | alt { |
| 129 | [] GSUP_IPA_EVENT.receive(t_ASP_IPA_EVT_UD(ASP_IPA_EVENT_UP)) { } |
| 130 | [] T.timeout { |
| 131 | setverdict(fail, "No connection to GSUP Port"); |
| 132 | self.stop; |
| 133 | } |
| 134 | } |
| 135 | } |
| 136 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 137 | private function f_init_gtp(charstring id) runs on test_CT { |
| 138 | id := id & "-GTP"; |
| 139 | |
| 140 | var GtpEmulationCfg gtp_cfg := { |
| 141 | gtpc_bind_ip := mp_ggsn_ip, |
| 142 | gtpc_bind_port := GTP1C_PORT, |
| 143 | gtpu_bind_ip := mp_ggsn_ip, |
| 144 | gtpu_bind_port := GTP1U_PORT, |
| 145 | sgsn_role := false |
| 146 | }; |
| 147 | |
| 148 | vc_GTP := GTP_Emulation_CT.create(id); |
| 149 | vc_GTP.start(GTP_Emulation.main(gtp_cfg)); |
| 150 | } |
| 151 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 152 | private function f_init_vty() runs on test_CT { |
| 153 | map(self:SGSNVTY, system:SGSNVTY); |
| 154 | f_vty_set_prompts(SGSNVTY); |
| 155 | f_vty_transceive(SGSNVTY, "enable"); |
| 156 | f_vty_config(SGSNVTY, "sgsn", "auth-policy remote"); |
| 157 | } |
| 158 | |
| 159 | |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 160 | function f_init() runs on test_CT { |
| 161 | if (g_initialized == true) { |
| 162 | return; |
| 163 | } |
| 164 | g_initialized := true; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 165 | g_gb[0].cfg := { |
| 166 | nsei := 96, |
| 167 | bvci := 196, |
| 168 | cell_id := { |
| 169 | ra_id := { |
| 170 | lai := { |
| 171 | mcc_mnc := '26242F'H, lac := 13135}, |
| 172 | rac := 0 |
| 173 | }, |
| 174 | cell_id := 20960 |
| 175 | }, |
| 176 | sgsn_role := false |
| 177 | }; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 178 | |
Harald Welte | 3fdbe82 | 2018-02-18 19:10:18 +0100 | [diff] [blame] | 179 | f_init_gb(g_gb[0], "SGSN_Test-Gb0"); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 180 | f_init_gsup("SGSN_Test"); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 181 | f_init_gtp("SGSN_Test"); |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 182 | f_init_vty(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 183 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 184 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 185 | type function void_fn(charstring id) runs on BSSGP_ConnHdlr; |
| 186 | |
| 187 | /* helper function to create, connect and start a BSSGP_ConnHdlr component */ |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 188 | function f_start_handler(void_fn fn, charstring id, GbInstance gb, integer imsi_suffix, |
| 189 | float t_guard := 30.0) |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 190 | runs on test_CT return BSSGP_ConnHdlr { |
| 191 | var BSSGP_ConnHdlr vc_conn; |
| 192 | var SGSN_ConnHdlrNetworkPars net_pars := { |
| 193 | expect_ptmsi := true, |
| 194 | expect_auth := true, |
| 195 | expect_ciph := false |
| 196 | }; |
| 197 | var BSSGP_ConnHdlrPars pars := { |
| 198 | imei := f_gen_imei(imsi_suffix), |
| 199 | imsi := f_gen_imsi(imsi_suffix), |
| 200 | msisdn := f_gen_msisdn(imsi_suffix), |
| 201 | p_tmsi := omit, |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 202 | p_tmsi_sig := omit, |
Harald Welte | 14a0f94 | 2018-02-16 20:42:23 +0100 | [diff] [blame] | 203 | tlli := f_gprs_tlli_random(), |
Harald Welte | f70997d | 2018-02-17 10:11:19 +0100 | [diff] [blame] | 204 | tlli_old := omit, |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 205 | ra := omit, |
| 206 | bssgp_cell_id := gb.cfg.cell_id, |
| 207 | vec := omit, |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 208 | net := net_pars, |
| 209 | t_guard := t_guard |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 210 | }; |
| 211 | |
| 212 | vc_conn := BSSGP_ConnHdlr.create(id); |
| 213 | connect(vc_conn:BSSGP, gb.vc_BSSGP:BSSGP_SP); |
| 214 | connect(vc_conn:BSSGP_PROC, gb.vc_BSSGP:BSSGP_PROC); |
| 215 | |
| 216 | connect(vc_conn:GSUP, vc_GSUP:GSUP_CLIENT); |
| 217 | connect(vc_conn:GSUP_PROC, vc_GSUP:GSUP_PROC); |
| 218 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 219 | connect(vc_conn:GTP, vc_GTP:CLIENT); |
| 220 | connect(vc_conn:GTP_PROC, vc_GTP:CLIENT_PROC); |
| 221 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 222 | vc_conn.start(f_handler_init(fn, id, pars)); |
| 223 | return vc_conn; |
| 224 | } |
| 225 | |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 226 | private altstep as_Tguard() runs on BSSGP_ConnHdlr { |
| 227 | [] g_Tguard.timeout { |
| 228 | setverdict(fail, "Tguard timeout"); |
| 229 | self.stop; |
| 230 | } |
| 231 | } |
| 232 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 233 | /* first function called in every ConnHdlr */ |
| 234 | private function f_handler_init(void_fn fn, charstring id, BSSGP_ConnHdlrPars pars) |
| 235 | runs on BSSGP_ConnHdlr { |
| 236 | /* do some common stuff like setting up g_pars */ |
| 237 | g_pars := pars; |
| 238 | |
| 239 | /* register with BSSGP core */ |
| 240 | f_bssgp_client_register(g_pars.imsi, g_pars.tlli, g_pars.bssgp_cell_id); |
| 241 | /* tell GSUP dispatcher to send this IMSI to us */ |
| 242 | f_create_gsup_expect(hex2str(g_pars.imsi)); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 243 | /* tell GTP dispatcher to send this IMSI to us */ |
| 244 | f_gtp_register_imsi(g_pars.imsi); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 245 | |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 246 | g_Tguard.start(pars.t_guard); |
| 247 | activate(as_Tguard()); |
| 248 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 249 | /* call the user-supplied test case function */ |
| 250 | fn.apply(id); |
| 251 | f_bssgp_client_unregister(g_pars.imsi); |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | /* TODO: |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 255 | * Detach without Attach |
| 256 | * SM procedures without attach / RAU |
| 257 | * ATTACH / RAU |
| 258 | ** with / without authentication |
| 259 | ** with / without P-TMSI allocation |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 260 | ** reject from HLR on SAI |
| 261 | ** reject from HLR on UL |
| 262 | * re-transmissions of LLC frames |
| 263 | * PDP Context activation |
| 264 | ** with different GGSN config in SGSN VTY |
| 265 | ** with different PDP context type (v4/v6/v46) |
| 266 | ** timeout from GGSN |
| 267 | ** reject from GGSN |
| 268 | */ |
| 269 | |
| 270 | testcase TC_wait_ns_up() runs on test_CT { |
| 271 | f_init(); |
| 272 | f_sleep(20.0); |
| 273 | } |
| 274 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 275 | altstep as_mm_identity() runs on BSSGP_ConnHdlr { |
| 276 | var MobileIdentityLV mi; |
| 277 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('001'B))) { |
| 278 | mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); |
| 279 | BSSGP.send(ts_GMM_ID_RESP(mi)); |
| 280 | repeat; |
| 281 | } |
| 282 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('010'B))) { |
| 283 | mi := valueof(ts_MI_IMEI_LV(g_pars.imei)); |
| 284 | BSSGP.send(ts_GMM_ID_RESP(mi)); |
| 285 | repeat; |
| 286 | } |
| 287 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 288 | |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 289 | /* perform GMM authentication (if expected) */ |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 290 | function f_gmm_auth () runs on BSSGP_ConnHdlr { |
| 291 | var BssgpDecoded bd; |
| 292 | var PDU_L3_MS_SGSN l3_mo; |
| 293 | var PDU_L3_SGSN_MS l3_mt; |
| 294 | var default di := activate(as_mm_identity()); |
| 295 | if (g_pars.net.expect_auth) { |
| 296 | g_pars.vec := f_gen_auth_vec_2g(); |
| 297 | var GSUP_IE auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand, |
| 298 | g_pars.vec.sres, |
| 299 | g_pars.vec.kc)); |
| 300 | GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); |
| 301 | GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple)); |
| 302 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_AUTH_REQ(g_pars.vec.rand))) -> value bd; |
| 303 | l3_mt := bd.l3_mt; |
| 304 | var BIT4 ac_ref := l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.acReferenceNumber.valueField; |
| 305 | l3_mo := valueof(ts_GMM_AUTH_RESP_2G(ac_ref, g_pars.vec.sres)); |
| 306 | if (ispresent(l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest) and |
| 307 | l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest.valueField == '001'B) { |
| 308 | l3_mo.msgs.gprs_mm.authenticationAndCipheringResponse.imeisv := |
| 309 | valueof(ts_MI_IMEISV_TLV(g_pars.imei & '0'H)); |
| 310 | } |
| 311 | BSSGP.send(l3_mo); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 312 | } else { |
| 313 | /* wait for identity procedure */ |
| 314 | f_sleep(1.0); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 315 | } |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 316 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 317 | deactivate(di); |
| 318 | } |
| 319 | |
Harald Welte | f70997d | 2018-02-17 10:11:19 +0100 | [diff] [blame] | 320 | function f_upd_ptmsi_and_tlli(OCT4 p_tmsi) runs on BSSGP_ConnHdlr { |
| 321 | g_pars.p_tmsi := p_tmsi; |
| 322 | /* update TLLI */ |
| 323 | g_pars.tlli_old := g_pars.tlli; |
| 324 | g_pars.tlli := g_pars.p_tmsi or4b 'c0000000'O; |
| 325 | f_bssgp_client_llgmm_assign(g_pars.tlli_old, g_pars.tlli); |
| 326 | } |
| 327 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 328 | function f_process_attach_accept(PDU_GMM_AttachAccept aa) runs on BSSGP_ConnHdlr { |
| 329 | /* mandatory IE */ |
| 330 | g_pars.ra := aa.routingAreaIdentification; |
| 331 | if (ispresent(aa.allocatedPTMSI)) { |
| 332 | if (not g_pars.net.expect_ptmsi) { |
| 333 | setverdict(fail, "unexpected P-TMSI allocation"); |
| 334 | self.stop; |
| 335 | } |
Harald Welte | f70997d | 2018-02-17 10:11:19 +0100 | [diff] [blame] | 336 | f_upd_ptmsi_and_tlli(aa.allocatedPTMSI.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi.octets); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 337 | } |
| 338 | if (ispresent(aa.msIdentity)) { |
| 339 | setverdict(fail, "unexpected TMSI allocation in non-combined attach"); |
| 340 | self.stop; |
| 341 | } |
| 342 | /* P-TMSI.sig */ |
| 343 | if (ispresent(aa.ptmsiSignature)) { |
| 344 | g_pars.p_tmsi_sig := aa.ptmsiSignature.valueField; |
| 345 | } |
| 346 | /* updateTimer */ |
| 347 | // aa.readyTimer |
| 348 | /* T3302, T3319, T3323, T3312_ext, T3324 */ |
| 349 | } |
| 350 | |
Harald Welte | 91636de | 2018-02-17 10:16:14 +0100 | [diff] [blame] | 351 | function f_process_rau_accept(PDU_GMM_RoutingAreaUpdateAccept ra) runs on BSSGP_ConnHdlr { |
| 352 | /* mandatory IE */ |
| 353 | g_pars.ra := ra.routingAreaId; |
| 354 | if (ispresent(ra.allocatedPTMSI)) { |
| 355 | if (not g_pars.net.expect_ptmsi) { |
| 356 | setverdict(fail, "unexpected P-TMSI allocation"); |
| 357 | self.stop; |
| 358 | } |
| 359 | f_upd_ptmsi_and_tlli(ra.allocatedPTMSI.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi.octets); |
| 360 | } |
| 361 | if (ispresent(ra.msIdentity)) { |
| 362 | setverdict(fail, "unexpected TMSI allocation in non-combined attach"); |
| 363 | self.stop; |
| 364 | } |
| 365 | /* P-TMSI.sig */ |
| 366 | if (ispresent(ra.ptmsiSignature)) { |
| 367 | g_pars.p_tmsi_sig := ra.ptmsiSignature.valueField; |
| 368 | } |
| 369 | /* updateTimer */ |
| 370 | // aa.readyTimer |
| 371 | /* T3302, T3319, T3323, T3312_ext, T3324 */ |
| 372 | } |
| 373 | |
| 374 | |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 375 | function f_random_RAI(HEX0_3n mcc := '262'H, HEX0_3n mnc := '42'H) return RoutingAreaIdentificationV { |
| 376 | return f_RAI(mcc, mnc, f_rnd_octstring(2), f_rnd_octstring(1)); |
| 377 | } |
| 378 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 379 | /* return a MobileIdentityLV: P-TMSI if we have one, IMSI otherwise */ |
| 380 | private function f_mi_get_lv() runs on BSSGP_ConnHdlr return MobileIdentityLV { |
| 381 | if (ispresent(g_pars.p_tmsi)) { |
| 382 | return valueof(ts_MI_TMSI_LV(g_pars.p_tmsi)); |
| 383 | } else { |
| 384 | return valueof(ts_MI_IMSI_LV(g_pars.imsi)); |
| 385 | } |
| 386 | } |
| 387 | |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 388 | private function f_gmm_gsup_lu_isd() runs on BSSGP_ConnHdlr { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 389 | var GSUP_PDU gsup; |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 390 | /* Expect MSC to perform LU with HLR */ |
| 391 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 392 | gsup := valueof(ts_GSUP_ISD_REQ(g_pars.imsi, g_pars.msisdn)); |
| 393 | gsup.ies := gsup.ies & { valueof(ts_GSUP_IE_PdpInfo(char2oct("*"), '0121'O, ''O)) }; |
| 394 | GSUP.send(gsup); |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 395 | GSUP.receive(tr_GSUP_ISD_RES(g_pars.imsi)); |
| 396 | GSUP.send(ts_GSUP_UL_RES(g_pars.imsi)); |
| 397 | } |
| 398 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 399 | private function f_TC_attach(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 400 | var BssgpDecoded bd; |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 401 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 402 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 403 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 404 | f_gmm_auth(); |
| 405 | /* Expect MSC to perform LU with HLR */ |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 406 | f_gmm_gsup_lu_isd(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 407 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 408 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 409 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 410 | } |
| 411 | /* FIXME: Extract P-TMSI, if any. Only send Complete if necessary */ |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 412 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 413 | setverdict(pass); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | testcase TC_attach() runs on test_CT { |
| 417 | var BSSGP_ConnHdlr vc_conn; |
| 418 | f_init(); |
| 419 | f_sleep(1.0); |
| 420 | vc_conn := f_start_handler(refers(f_TC_attach), testcasename(), g_gb[0], 1); |
| 421 | vc_conn.done; |
| 422 | } |
| 423 | |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 424 | /* MS never responds to ID REQ, expect ATTACH REJECT */ |
| 425 | private function f_TC_attach_auth_id_timeout(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 426 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 427 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 428 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 429 | alt { |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 430 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 431 | /* don't send ID Response */ |
| 432 | repeat; |
| 433 | } |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 434 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT('09'O))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 435 | setverdict(pass); |
| 436 | } |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 437 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 438 | setverdict(fail, "Wrong Attach Reject Cause"); |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | testcase TC_attach_auth_id_timeout() runs on test_CT { |
| 443 | var BSSGP_ConnHdlr vc_conn; |
| 444 | f_init(); |
| 445 | vc_conn := f_start_handler(refers(f_TC_attach_auth_id_timeout), testcasename(), g_gb[0], 2, 40.0); |
| 446 | vc_conn.done; |
| 447 | } |
| 448 | |
| 449 | /* HLR never responds to SAI REQ, expect ATTACH REJECT */ |
| 450 | private function f_TC_attach_auth_sai_timeout(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 451 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 452 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 453 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 454 | alt { |
| 455 | [] as_mm_identity(); |
| 456 | [] GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); { } |
| 457 | } |
| 458 | /* don't send SAI-response from HLR */ |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 459 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 460 | setverdict(pass); |
| 461 | } |
| 462 | testcase TC_attach_auth_sai_timeout() runs on test_CT { |
| 463 | var BSSGP_ConnHdlr vc_conn; |
| 464 | f_init(); |
| 465 | vc_conn := f_start_handler(refers(f_TC_attach_auth_sai_timeout), testcasename(), g_gb[0], 3); |
| 466 | vc_conn.done; |
| 467 | } |
| 468 | |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 469 | /* HLR rejects SAI, expect ATTACH REJECT */ |
| 470 | private function f_TC_attach_auth_sai_reject(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 471 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 472 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 473 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 474 | alt { |
| 475 | [] as_mm_identity(); |
| 476 | [] GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); { |
| 477 | GSUP.send(ts_GSUP_SAI_ERR(g_pars.imsi, 23)); |
| 478 | } |
| 479 | } |
| 480 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))); |
| 481 | setverdict(pass); |
| 482 | } |
| 483 | testcase TC_attach_auth_sai_reject() runs on test_CT { |
| 484 | var BSSGP_ConnHdlr vc_conn; |
| 485 | f_init(); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 486 | vc_conn := f_start_handler(refers(f_TC_attach_auth_sai_reject), testcasename(), g_gb[0], 4); |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 487 | vc_conn.done; |
| 488 | } |
| 489 | |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 490 | /* HLR never responds to UL REQ, expect ATTACH REJECT */ |
| 491 | private function f_TC_attach_gsup_lu_timeout(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 492 | var BssgpDecoded bd; |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 493 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 494 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 495 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 496 | f_gmm_auth(); |
| 497 | /* Expect MSC to perform LU with HLR */ |
| 498 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)); |
| 499 | /* Never follow-up with ISD_REQ or UL_RES */ |
| 500 | alt { |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 501 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 502 | setverdict(pass); |
| 503 | } |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 504 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 505 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 506 | setverdict(fail); |
| 507 | } |
| 508 | } |
| 509 | } |
| 510 | testcase TC_attach_gsup_lu_timeout() runs on test_CT { |
| 511 | var BSSGP_ConnHdlr vc_conn; |
| 512 | f_init(); |
| 513 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 514 | vc_conn := f_start_handler(refers(f_TC_attach_gsup_lu_timeout), testcasename(), g_gb[0], 5); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 515 | vc_conn.done; |
| 516 | } |
| 517 | |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 518 | /* HLR rejects UL REQ, expect ATTACH REJECT */ |
| 519 | private function f_TC_attach_gsup_lu_reject(charstring id) runs on BSSGP_ConnHdlr { |
| 520 | var BssgpDecoded bd; |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 521 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 522 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 523 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 524 | f_gmm_auth(); |
| 525 | /* Expect MSC to perform LU with HLR */ |
| 526 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)) { |
| 527 | GSUP.send(ts_GSUP_UL_ERR(g_pars.imsi, 0)); |
| 528 | } |
| 529 | alt { |
| 530 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
| 531 | setverdict(pass); |
| 532 | } |
| 533 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 534 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 535 | setverdict(fail); |
| 536 | } |
| 537 | } |
| 538 | } |
| 539 | testcase TC_attach_gsup_lu_reject() runs on test_CT { |
| 540 | var BSSGP_ConnHdlr vc_conn; |
| 541 | f_init(); |
| 542 | f_sleep(1.0); |
| 543 | vc_conn := f_start_handler(refers(f_TC_attach_gsup_lu_reject), testcasename(), g_gb[0], 6); |
| 544 | vc_conn.done; |
| 545 | } |
| 546 | |
| 547 | |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 548 | /* Attempt of combined GPRS + IMSI attach: network should ACK only GPRS attach */ |
| 549 | private function f_TC_attach_combined(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 550 | var BssgpDecoded bd; |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 551 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 552 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 553 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, true, false, omit, omit)); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 554 | f_gmm_auth(); |
| 555 | /* Expect MSC to perform LU with HLR */ |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame] | 556 | f_gmm_gsup_lu_isd(); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 557 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 558 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 559 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 560 | } |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 561 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
| 562 | setverdict(pass); |
| 563 | } |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 564 | testcase TC_attach_combined() runs on test_CT { |
| 565 | var BSSGP_ConnHdlr vc_conn; |
| 566 | f_init(); |
| 567 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 568 | vc_conn := f_start_handler(refers(f_TC_attach_combined), testcasename(), g_gb[0], 7); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 569 | vc_conn.done; |
| 570 | } |
| 571 | |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 572 | /* Attempt of GPRS ATTACH in 'accept all' mode */ |
| 573 | private function f_TC_attach_accept_all(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 574 | var BssgpDecoded bd; |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 575 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 576 | |
| 577 | g_pars.net.expect_auth := false; |
| 578 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 579 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 580 | f_gmm_auth(); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 581 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 582 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 583 | } |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 584 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
| 585 | setverdict(pass); |
| 586 | } |
| 587 | testcase TC_attach_accept_all() runs on test_CT { |
| 588 | var BSSGP_ConnHdlr vc_conn; |
| 589 | f_init(); |
| 590 | f_sleep(1.0); |
| 591 | f_vty_config(SGSNVTY, "sgsn", "auth-policy accept-all"); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 592 | vc_conn := f_start_handler(refers(f_TC_attach_accept_all), testcasename(), g_gb[0], 8); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 593 | vc_conn.done; |
| 594 | } |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 595 | |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 596 | /* Attempt of GPRS ATTACH in 'accept all' mode */ |
| 597 | private function f_TC_attach_closed_foreign(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 598 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 599 | |
| 600 | /* Simulate a foreign IMSI */ |
| 601 | g_pars.imsi := '001010123456789'H; |
| 602 | f_bssgp_client_register(g_pars.imsi, g_pars.tlli, g_pars.bssgp_cell_id); |
| 603 | |
| 604 | g_pars.net.expect_auth := false; |
| 605 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 606 | BSSGP.send(ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit)); |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 607 | alt { |
| 608 | [] as_mm_identity(); |
| 609 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT('07'O))) { |
| 610 | setverdict(pass); |
| 611 | } |
| 612 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
| 613 | setverdict(pass); |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | testcase TC_attach_closed() runs on test_CT { |
| 618 | var BSSGP_ConnHdlr vc_conn; |
| 619 | f_init(); |
| 620 | f_sleep(1.0); |
| 621 | f_vty_config(SGSNVTY, "sgsn", "auth-policy closed"); |
| 622 | /* test with foreign IMSI: Must Reject */ |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 623 | vc_conn := f_start_handler(refers(f_TC_attach_closed_foreign), testcasename(), g_gb[0], 9); |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 624 | vc_conn.done; |
| 625 | /* test with home IMSI: Must Accept */ |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 626 | vc_conn := f_start_handler(refers(f_TC_attach_accept_all), testcasename(), g_gb[0], 10); |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 627 | vc_conn.done; |
| 628 | } |
| 629 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 630 | /* Routing Area Update from Unknown TLLI -> REJECT */ |
| 631 | private function f_TC_rau_unknown(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 632 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 633 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 634 | BSSGP.send(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, old_ra, false, omit, omit)); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 635 | alt { |
| 636 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_REJECT('0a'O))) { |
| 637 | setverdict(pass); |
| 638 | } |
| 639 | /* FIXME: Expect XID RESET? */ |
| 640 | [] BSSGP.receive { repeat; } |
| 641 | } |
| 642 | } |
| 643 | testcase TC_rau_unknown() runs on test_CT { |
| 644 | var BSSGP_ConnHdlr vc_conn; |
| 645 | f_init(); |
| 646 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 647 | vc_conn := f_start_handler(refers(f_TC_rau_unknown), testcasename(), g_gb[0], 11); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 648 | vc_conn.done; |
| 649 | } |
| 650 | |
Harald Welte | 91636de | 2018-02-17 10:16:14 +0100 | [diff] [blame] | 651 | private function f_TC_attach_rau(charstring id) runs on BSSGP_ConnHdlr { |
| 652 | var BssgpDecoded bd; |
| 653 | |
| 654 | /* first perform regular attach */ |
| 655 | f_TC_attach(id); |
| 656 | |
| 657 | /* then send RAU */ |
| 658 | BSSGP.send(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, g_pars.ra, false, omit, omit)); |
| 659 | alt { |
| 660 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_ACCEPT)) -> value bd { |
| 661 | f_process_rau_accept(bd.l3_mt.msgs.gprs_mm.routingAreaUpdateAccept); |
| 662 | setverdict(pass); |
| 663 | } |
| 664 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_REJECT)) { |
| 665 | setverdict(fail, "Unexpected RAU Reject"); |
| 666 | } |
| 667 | [] BSSGP.receive { repeat; } |
| 668 | } |
| 669 | } |
| 670 | testcase TC_attach_rau() runs on test_CT { |
| 671 | var BSSGP_ConnHdlr vc_conn; |
| 672 | f_init(); |
| 673 | f_sleep(1.0); |
| 674 | vc_conn := f_start_handler(refers(f_TC_attach_rau), testcasename(), g_gb[0], 12); |
| 675 | vc_conn.done; |
| 676 | } |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 677 | |
Harald Welte | 6abb9fe | 2018-02-17 15:24:48 +0100 | [diff] [blame] | 678 | /* general GPRS DETACH helper */ |
| 679 | function f_detach_mo(BIT3 detach_type, boolean power_off, boolean expect_purge) runs on BSSGP_ConnHdlr { |
| 680 | var BssgpDecoded bd; |
| 681 | timer T := 5.0; |
| 682 | BSSGP.send(ts_GMM_DET_REQ_MO(detach_type, power_off)); |
| 683 | if (expect_purge) { |
| 684 | GSUP.receive(tr_GSUP_PURGE_MS_REQ(g_pars.imsi, OSMO_GSUP_CN_DOMAIN_PS)); |
| 685 | GSUP.send(ts_GSUP_PURGE_MS_RES(g_pars.imsi)); |
| 686 | } |
| 687 | T.start; |
| 688 | alt { |
| 689 | [not expect_purge] GSUP.receive(tr_GSUP_PURGE_MS_REQ(?)) { |
| 690 | setverdict(fail, "Unexpected GSUP PURGE MS for unregistered TLLI"); |
| 691 | } |
| 692 | [power_off] BSSGP.receive(tr_BD_L3_MT(tr_GMM_DET_ACCEPT_MT)) -> value bd { |
| 693 | g_pars.ra := omit; |
| 694 | setverdict(fail, "Unexpected ATTACH ACCEPT in no-power-off DETACH"); |
| 695 | /* TODO: check if any PDP contexts are deactivated on network side? */ |
| 696 | } |
| 697 | [power_off] T.timeout { |
| 698 | setverdict(pass); |
| 699 | } |
| 700 | [not power_off] BSSGP.receive(tr_BD_L3_MT(tr_GMM_DET_ACCEPT_MT)) -> value bd { |
| 701 | g_pars.ra := omit; |
| 702 | setverdict(pass); |
| 703 | /* TODO: check if any PDP contexts are deactivated on network side? */ |
| 704 | } |
| 705 | [] BSSGP.receive { repeat; } |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | /* IMSI DETACH (non-power-off) for unknown TLLI */ |
| 710 | private function f_TC_detach_unknown_nopoweroff(charstring id) runs on BSSGP_ConnHdlr { |
| 711 | f_detach_mo(c_GMM_DTT_MO_GPRS, false, false); |
| 712 | } |
| 713 | testcase TC_detach_unknown_nopoweroff() runs on test_CT { |
| 714 | var BSSGP_ConnHdlr vc_conn; |
| 715 | f_init(); |
| 716 | f_sleep(1.0); |
| 717 | vc_conn := f_start_handler(refers(f_TC_detach_unknown_nopoweroff), testcasename(), g_gb[0], 13); |
| 718 | vc_conn.done; |
| 719 | } |
| 720 | |
| 721 | /* IMSI DETACH (power-off) for unknown TLLI */ |
| 722 | private function f_TC_detach_unknown_poweroff(charstring id) runs on BSSGP_ConnHdlr { |
| 723 | f_detach_mo(c_GMM_DTT_MO_GPRS, true, false); |
| 724 | } |
| 725 | testcase TC_detach_unknown_poweroff() runs on test_CT { |
| 726 | var BSSGP_ConnHdlr vc_conn; |
| 727 | f_init(); |
| 728 | f_sleep(1.0); |
| 729 | vc_conn := f_start_handler(refers(f_TC_detach_unknown_poweroff), testcasename(), g_gb[0], 14); |
| 730 | vc_conn.done; |
| 731 | } |
| 732 | |
| 733 | /* IMSI DETACH (non-power-off) for known TLLI */ |
| 734 | private function f_TC_detach_nopoweroff(charstring id) runs on BSSGP_ConnHdlr { |
| 735 | /* first perform regular attach */ |
| 736 | f_TC_attach(id); |
| 737 | |
| 738 | f_detach_mo(c_GMM_DTT_MO_GPRS, false, true); |
| 739 | } |
| 740 | testcase TC_detach_nopoweroff() runs on test_CT { |
| 741 | var BSSGP_ConnHdlr vc_conn; |
| 742 | f_init(); |
| 743 | f_sleep(1.0); |
| 744 | vc_conn := f_start_handler(refers(f_TC_detach_nopoweroff), testcasename(), g_gb[0], 15); |
| 745 | vc_conn.done; |
| 746 | } |
| 747 | |
| 748 | /* IMSI DETACH (power-off) for known TLLI */ |
| 749 | private function f_TC_detach_poweroff(charstring id) runs on BSSGP_ConnHdlr { |
| 750 | /* first perform regular attach */ |
| 751 | f_TC_attach(id); |
| 752 | |
| 753 | f_detach_mo(c_GMM_DTT_MO_GPRS, true, true); |
| 754 | } |
| 755 | testcase TC_detach_poweroff() runs on test_CT { |
| 756 | var BSSGP_ConnHdlr vc_conn; |
| 757 | f_init(); |
| 758 | f_sleep(1.0); |
| 759 | vc_conn := f_start_handler(refers(f_TC_detach_poweroff), testcasename(), g_gb[0], 16); |
| 760 | vc_conn.done; |
| 761 | } |
| 762 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 763 | type record PdpActPars { |
Harald Welte | 822f910 | 2018-02-18 20:39:06 +0100 | [diff] [blame^] | 764 | BIT3 tid, /* L3 Transaction ID */ |
| 765 | BIT4 nsapi, /* SNDCP NSAPI */ |
| 766 | BIT4 sapi, /* LLC SAPI */ |
| 767 | QoSV qos, /* QoS parameters */ |
| 768 | PDPAddressV addr, /* IP address */ |
| 769 | octetstring apn optional, /* APN name */ |
| 770 | ProtocolConfigOptionsV pco optional, /* protoco config opts */ |
| 771 | OCT1 exp_rej_cause optional, /* expected SM reject cause */ |
| 772 | OCT4 chg_id, /* GTP Charging Identifier */ |
Harald Welte | 6abb9fe | 2018-02-17 15:24:48 +0100 | [diff] [blame] | 773 | |
Harald Welte | 822f910 | 2018-02-18 20:39:06 +0100 | [diff] [blame^] | 774 | OCT4 ggsn_tei_c, /* GGSN TEI Control*/ |
| 775 | OCT4 ggsn_tei_u, /* GGSN TEI User */ |
| 776 | octetstring ggsn_ip_c, /* GGSN IP Control */ |
| 777 | octetstring ggsn_ip_u, /* GGSN IP User */ |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 778 | |
Harald Welte | 822f910 | 2018-02-18 20:39:06 +0100 | [diff] [blame^] | 779 | OCT4 sgsn_tei_c optional, /* SGSN TEI Control */ |
| 780 | OCT4 sgsn_tei_u optional, /* SGSN TEI User */ |
| 781 | octetstring sgsn_ip_c optional, /* SGSN IP Control */ |
| 782 | octetstring sgsn_ip_u optional /* SGSN IP USer */ |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 783 | }; |
| 784 | |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 785 | function f_pdp_ctx_act(inout PdpActPars apars) runs on BSSGP_ConnHdlr { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 786 | var boolean exp_rej := ispresent(apars.exp_rej_cause); |
| 787 | var Gtp1cUnitdata g_ud; |
| 788 | |
| 789 | BSSGP.send(ts_SM_ACT_PDP_REQ(apars.tid, apars.nsapi, apars.sapi, apars.qos, apars.addr, |
| 790 | apars.apn, apars.pco)); |
| 791 | if (not exp_rej) { |
| 792 | GTP.receive(tr_GTPC_MsgType(?, createPDPContextRequest, ?)) -> value g_ud { |
| 793 | var integer seq_nr := oct2int(g_ud.gtpc.opt_part.sequenceNumber); |
| 794 | var GTPC_PDUs gtpc_rx := g_ud.gtpc.gtpc_pdu; |
| 795 | apars.sgsn_tei_c := gtpc_rx.createPDPContextRequest.teidControlPlane.teidControlPlane; |
| 796 | apars.sgsn_tei_u := gtpc_rx.createPDPContextRequest.teidDataI.teidDataI; |
Harald Welte | f8af5d6 | 2018-02-18 15:06:42 +0100 | [diff] [blame] | 797 | apars.sgsn_ip_c := gtpc_rx.createPDPContextRequest.sgsn_addr_signalling.addressf; |
| 798 | apars.sgsn_ip_u := gtpc_rx.createPDPContextRequest.sgsn_addr_traffic.addressf; |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 799 | f_gtp_register_teid(apars.ggsn_tei_c); |
| 800 | f_gtp_register_teid(apars.ggsn_tei_u); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 801 | var OCT1 cause := int2oct(128, 1); |
| 802 | GTP.send(ts_GTPC_CreatePdpResp(g_ud.peer, seq_nr, |
| 803 | apars.sgsn_tei_c, cause, |
| 804 | apars.ggsn_tei_c, apars.ggsn_tei_u, |
| 805 | apars.nsapi, |
Harald Welte | 7aff2ca | 2018-02-18 15:34:50 +0100 | [diff] [blame] | 806 | apars.ggsn_ip_c, apars.ggsn_ip_u, apars.chg_id)); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 807 | } |
| 808 | } |
| 809 | alt { |
Harald Welte | 2830708 | 2018-02-18 12:14:18 +0100 | [diff] [blame] | 810 | [exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_REJ(apars.tid, apars.exp_rej_cause))) { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 811 | setverdict(pass); |
| 812 | } |
Harald Welte | 2830708 | 2018-02-18 12:14:18 +0100 | [diff] [blame] | 813 | [exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_ACCEPT)) { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 814 | setverdict(fail, "Unexpected PDP CTX ACT ACC"); |
| 815 | } |
Harald Welte | 2830708 | 2018-02-18 12:14:18 +0100 | [diff] [blame] | 816 | [not exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_REJ(apars.tid, ?))) { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 817 | setverdict(fail, "Unexpected PDP CTX ACT FAIL"); |
| 818 | } |
Harald Welte | 2830708 | 2018-02-18 12:14:18 +0100 | [diff] [blame] | 819 | [not exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_ACCEPT(apars.tid, apars.sapi))) { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 820 | setverdict(pass); |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | /* Table 10.5.156/3GPP TS 24.008 */ |
| 826 | template (value) QoSV t_QosDefault := { |
| 827 | reliabilityClass := '011'B, /* unacknowledged GTP+LLC, acknowledged RLC */ |
| 828 | delayClass := '100'B, /* best effort */ |
| 829 | spare1 := '00'B, |
| 830 | precedenceClass := '010'B, /* normal */ |
| 831 | spare2 := '0'B, |
| 832 | peakThroughput := '0000'B, /* subscribed */ |
| 833 | meanThroughput := '00000'B, /* subscribed */ |
| 834 | spare3 := '000'B, |
| 835 | deliverErroneusSDU := omit, |
| 836 | deliveryOrder := omit, |
| 837 | trafficClass := omit, |
| 838 | maxSDUSize := omit, |
| 839 | maxBitrateUplink := omit, |
| 840 | maxBitrateDownlink := omit, |
| 841 | sduErrorRatio := omit, |
| 842 | residualBER := omit, |
| 843 | trafficHandlingPriority := omit, |
| 844 | transferDelay := omit, |
| 845 | guaranteedBitRateUplink := omit, |
| 846 | guaranteedBitRateDownlink := omit, |
| 847 | sourceStatisticsDescriptor := omit, |
| 848 | signallingIndication := omit, |
| 849 | spare4 := omit, |
| 850 | maxBitrateDownlinkExt := omit, |
| 851 | guaranteedBitRateDownlinkExt := omit, |
| 852 | maxBitrateUplinkExt := omit, |
| 853 | guaranteedBitRateUplinkExt := omit, |
| 854 | maxBitrateDownlinkExt2 := omit, |
| 855 | guaranteedBitRateDownlinkExt2 := omit, |
| 856 | maxBitrateUplinkExt2 := omit, |
| 857 | guaranteedBitRateUplinkExt2 := omit |
| 858 | } |
| 859 | |
| 860 | /* 10.5.6.4 / 3GPP TS 24.008 */ |
| 861 | template (value) PDPAddressV t_AddrIPv4dyn := { |
| 862 | pdpTypeOrg := '0001'B, /* IETF */ |
| 863 | spare := '0000'B, |
| 864 | pdpTypeNum := '21'O, /* IPv4 */ |
| 865 | addressInfo := omit |
| 866 | } |
| 867 | template (value) PDPAddressV t_AddrIPv6dyn := { |
| 868 | pdpTypeOrg := '0001'B, /* IETF */ |
| 869 | spare := '0000'B, |
| 870 | pdpTypeNum := '53'O, /* IPv6 */ |
| 871 | addressInfo := omit |
| 872 | } |
| 873 | |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 874 | template (value) PdpActPars t_PdpActPars(charstring ggsn_ip) := { |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 875 | tid := '000'B, |
| 876 | nsapi := '0101'B, /* < 5 are reserved */ |
| 877 | sapi := '0011'B, /* 3/5/9/11 */ |
| 878 | qos := t_QosDefault, |
| 879 | addr := t_AddrIPv4dyn, |
| 880 | apn := omit, |
| 881 | pco := omit, |
| 882 | exp_rej_cause := omit, |
Harald Welte | 7aff2ca | 2018-02-18 15:34:50 +0100 | [diff] [blame] | 883 | chg_id := '00000001'O, |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 884 | |
| 885 | /* FIXME: make below dynamic !! */ |
| 886 | ggsn_tei_c := '00010000'O, |
| 887 | ggsn_tei_u := '00020000'O, |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 888 | ggsn_ip_c := f_inet_addr(ggsn_ip), |
| 889 | ggsn_ip_u := f_inet_addr(ggsn_ip), |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 890 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 891 | sgsn_tei_c := omit, |
Harald Welte | f8af5d6 | 2018-02-18 15:06:42 +0100 | [diff] [blame] | 892 | sgsn_tei_u := omit, |
| 893 | sgsn_ip_c := omit, |
| 894 | sgsn_ip_u := omit |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 895 | } |
| 896 | |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 897 | template (value) GtpPeer ts_GtpPeerU(octetstring ip) := { |
| 898 | connId := 1, |
| 899 | remName := f_inet_ntoa(ip), |
| 900 | remPort := GTP1U_PORT |
| 901 | } |
| 902 | |
| 903 | template (value) GtpPeer ts_GtpPeerC(octetstring ip) := { |
| 904 | connId := 1, |
| 905 | remName := f_inet_ntoa(ip), |
| 906 | remPort := GTP1C_PORT |
| 907 | } |
| 908 | |
| 909 | private function f_gtpu_send(inout PdpActPars apars, octetstring payload) runs on BSSGP_ConnHdlr { |
| 910 | var GtpPeer peer := valueof(ts_GtpPeerU(apars.sgsn_ip_u)); |
| 911 | GTP.send(ts_GTP1U_GPDU(peer, 0 /*seq*/, apars.sgsn_tei_u, payload)); |
| 912 | } |
| 913 | |
| 914 | private altstep as_xid(PdpActPars apars) runs on BSSGP_ConnHdlr { |
| 915 | [] BSSGP.receive(tr_BD_LLC(tr_LLC_XID(?, apars.sapi))) { |
| 916 | repeat; |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | template PDU_SN tr_SN_UD(template BIT4 nsapi, template octetstring payload) := { |
| 921 | pDU_SN_UNITDATA := { |
| 922 | nsapi := nsapi, |
| 923 | moreBit := ?, |
| 924 | snPduType := '1'B, |
| 925 | firstSegmentIndicator := ?, |
| 926 | spareBit := ?, |
| 927 | pcomp := ?, |
| 928 | dcomp := ?, |
| 929 | npduNumber := ?, |
| 930 | segmentNumber := ?, |
| 931 | npduNumberContinued := ?, |
| 932 | dataSegmentSnUnitdataPdu := payload |
| 933 | } |
| 934 | } |
| 935 | |
| 936 | /* simple case: single segment, no compression */ |
| 937 | template (value) PDU_SN ts_SN_UD(BIT4 nsapi, octetstring payload) := { |
| 938 | pDU_SN_UNITDATA := { |
| 939 | nsapi := nsapi, |
| 940 | moreBit := '0'B, |
| 941 | snPduType := '1'B, |
| 942 | firstSegmentIndicator := '1'B, |
| 943 | spareBit := '0'B, |
| 944 | pcomp := '0000'B, |
| 945 | dcomp := '0000'B, |
| 946 | npduNumber := '0000'B, |
| 947 | segmentNumber := '0000'B, |
| 948 | npduNumberContinued := '00'O, |
| 949 | dataSegmentSnUnitdataPdu := payload |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | /* Transceive given 'payload' as MT message from GTP -> OsmoSGSN -> Gb */ |
| 954 | private function f_gtpu_xceive_mt(inout PdpActPars apars, octetstring payload) runs on BSSGP_ConnHdlr { |
| 955 | /* Send PDU via GTP from our simulated GGSN to the SGSN */ |
| 956 | f_gtpu_send(apars, payload); |
| 957 | /* Expect PDU via BSSGP/LLC on simulated PCU from SGSN */ |
| 958 | alt { |
| 959 | [] as_xid(apars); |
| 960 | [] BSSGP.receive(tr_BD_SNDCP(apars.sapi, tr_SN_UD(apars.nsapi, payload))); |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | private function f_gtpu_xceive_mo(inout PdpActPars apars, octetstring payload) runs on BSSGP_ConnHdlr { |
| 965 | /* Send PDU via SNDCP/LLC/BSSGP/NS via simulated MS/PCU to the SGSN */ |
| 966 | var GtpPeer peer := valueof(ts_GtpPeerU(apars.sgsn_ip_u)); |
| 967 | var PDU_SN sndcp := valueof(ts_SN_UD(apars.nsapi, payload)); |
| 968 | BSSGP.send(ts_LLC_UI(enc_PDU_SN(sndcp), apars.sapi, '0'B, 0)); |
| 969 | f_gtpu_send(apars, payload); |
| 970 | /* Expect PDU via GTP from SGSN on simulated GGSN */ |
| 971 | alt { |
| 972 | [] GTP.receive(tr_GTPU_GPDU(peer, apars.ggsn_tei_u, payload)); |
| 973 | } |
| 974 | } |
| 975 | |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 976 | private function f_TC_attach_pdp_act(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 977 | var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip)); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 978 | |
| 979 | /* first perform regular attach */ |
| 980 | f_TC_attach(id); |
| 981 | |
| 982 | f_pdp_ctx_act(apars); |
| 983 | } |
| 984 | testcase TC_attach_pdp_act() runs on test_CT { |
| 985 | var BSSGP_ConnHdlr vc_conn; |
| 986 | f_init(); |
| 987 | vc_conn := f_start_handler(refers(f_TC_attach_pdp_act), testcasename(), g_gb[0], 17); |
| 988 | vc_conn.done; |
| 989 | } |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 990 | |
Harald Welte | 835b15f | 2018-02-18 14:39:11 +0100 | [diff] [blame] | 991 | /* PDP Context activation for not-attached subscriber; expect fail */ |
| 992 | private function f_TC_pdp_act_unattached(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 993 | var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip)); |
Harald Welte | 835b15f | 2018-02-18 14:39:11 +0100 | [diff] [blame] | 994 | BSSGP.send(ts_SM_ACT_PDP_REQ(apars.tid, apars.nsapi, apars.sapi, apars.qos, apars.addr, |
| 995 | apars.apn, apars.pco)); |
| 996 | alt { |
| 997 | /* We might want toalso actually expect a PDPC CTX ACT REJ? */ |
| 998 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_DET_REQ_MT(?, ?))) { |
| 999 | setverdict(pass); |
| 1000 | } |
| 1001 | [] GTP.receive(tr_GTPC_MsgType(?, createPDPContextRequest, ?)) { |
| 1002 | setverdict(fail, "Unexpected GTP PDP CTX ACT"); |
| 1003 | } |
| 1004 | [] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_ACCEPT(?, ?))) { |
| 1005 | setverdict(fail, "Unexpected SM PDP CTX ACT ACK"); |
| 1006 | } |
| 1007 | [] BSSGP.receive { repeat; } |
| 1008 | } |
| 1009 | } |
| 1010 | testcase TC_pdp_act_unattached() runs on test_CT { |
| 1011 | var BSSGP_ConnHdlr vc_conn; |
| 1012 | f_init(); |
| 1013 | vc_conn := f_start_handler(refers(f_TC_pdp_act_unattached), testcasename(), g_gb[0], 18); |
| 1014 | vc_conn.done; |
| 1015 | } |
| 1016 | |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 1017 | /* ATTACH + PDP CTX ACT + user plane traffic */ |
| 1018 | private function f_TC_attach_pdp_act_user(charstring id) runs on BSSGP_ConnHdlr { |
| 1019 | var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip)); |
| 1020 | |
| 1021 | /* first perform regular attach */ |
| 1022 | f_TC_attach(id); |
| 1023 | /* then activate PDP context */ |
| 1024 | f_pdp_ctx_act(apars); |
| 1025 | /* then transceive a downlink PDU */ |
| 1026 | f_gtpu_xceive_mt(apars, f_rnd_octstring(100)); |
| 1027 | f_gtpu_xceive_mo(apars, f_rnd_octstring(200)); |
| 1028 | } |
| 1029 | testcase TC_attach_pdp_act_user() runs on test_CT { |
| 1030 | var BSSGP_ConnHdlr vc_conn; |
| 1031 | f_init(); |
| 1032 | vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_user), testcasename(), g_gb[0], 19); |
| 1033 | vc_conn.done; |
| 1034 | } |
| 1035 | |
Harald Welte | 835b15f | 2018-02-18 14:39:11 +0100 | [diff] [blame] | 1036 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 1037 | |
| 1038 | control { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 1039 | execute( TC_attach() ); |
| 1040 | execute( TC_attach_auth_id_timeout() ); |
| 1041 | execute( TC_attach_auth_sai_timeout() ); |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 1042 | execute( TC_attach_auth_sai_reject() ); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 1043 | execute( TC_attach_gsup_lu_timeout() ); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 1044 | execute( TC_attach_gsup_lu_reject() ); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 1045 | execute( TC_attach_combined() ); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 1046 | execute( TC_attach_accept_all() ); |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 1047 | execute( TC_attach_closed() ); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 1048 | execute( TC_rau_unknown() ); |
Harald Welte | 91636de | 2018-02-17 10:16:14 +0100 | [diff] [blame] | 1049 | execute( TC_attach_rau() ); |
Harald Welte | 6abb9fe | 2018-02-17 15:24:48 +0100 | [diff] [blame] | 1050 | execute( TC_detach_unknown_nopoweroff() ); |
| 1051 | execute( TC_detach_unknown_poweroff() ); |
| 1052 | execute( TC_detach_nopoweroff() ); |
| 1053 | execute( TC_detach_poweroff() ); |
Harald Welte | eded9ad | 2018-02-17 20:57:34 +0100 | [diff] [blame] | 1054 | execute( TC_attach_pdp_act() ); |
Harald Welte | 835b15f | 2018-02-18 14:39:11 +0100 | [diff] [blame] | 1055 | execute( TC_pdp_act_unattached() ); |
Harald Welte | 37692d8 | 2018-02-18 15:21:34 +0100 | [diff] [blame] | 1056 | execute( TC_attach_pdp_act_user() ); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 1057 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 1058 | |
| 1059 | |
| 1060 | |
| 1061 | } |