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; |
| 5 | import from NS_Types all; |
| 6 | import from NS_Emulation all; |
| 7 | import from BSSGP_Types all; |
| 8 | import from BSSGP_Emulation all; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 9 | import from Osmocom_Gb_Types all; |
| 10 | |
| 11 | import from MobileL3_CommonIE_Types all; |
| 12 | import from MobileL3_GMM_SM_Types all; |
| 13 | import from MobileL3_Types all; |
| 14 | import from L3_Templates all; |
| 15 | import from L3_Common all; |
| 16 | |
| 17 | import from GSUP_Emulation all; |
| 18 | import from GSUP_Types all; |
| 19 | import from IPA_Emulation all; |
| 20 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 21 | import from TELNETasp_PortType all; |
| 22 | import from Osmocom_VTY_Functions all; |
| 23 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 24 | modulepar { |
| 25 | /* IP/port on which we run our internal GSUP/HLR emulation */ |
| 26 | charstring mp_hlr_ip := "127.0.0.1"; |
| 27 | integer mp_hlr_port := 4222; |
| 28 | }; |
| 29 | |
| 30 | type record GbInstance { |
| 31 | NS_CT vc_NS, |
| 32 | BSSGP_CT vc_BSSGP, |
| 33 | BssgpConfig cfg |
| 34 | }; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 35 | |
| 36 | type component test_CT { |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 37 | var GbInstance g_gb[3]; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 38 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 39 | var GSUP_Emulation_CT vc_GSUP; |
| 40 | var IPA_Emulation_CT vc_GSUP_IPA; |
| 41 | /* only to get events from IPA underneath GSUP */ |
| 42 | port IPA_CTRL_PT GSUP_IPA_EVENT; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 43 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 44 | port TELNETasp_PT SGSNVTY; |
| 45 | |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 46 | var boolean g_initialized := false; |
| 47 | }; |
| 48 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 49 | type component BSSGP_ConnHdlr extends BSSGP_Client_CT, GSUP_ConnHdlr { |
| 50 | var BSSGP_ConnHdlrPars g_pars; |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 51 | timer g_Tguard; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | type record SGSN_ConnHdlrNetworkPars { |
| 55 | boolean expect_ptmsi, |
| 56 | boolean expect_auth, |
| 57 | boolean expect_ciph |
| 58 | }; |
| 59 | |
| 60 | type record BSSGP_ConnHdlrPars { |
| 61 | /* IMEI of the simulated ME */ |
| 62 | hexstring imei, |
| 63 | /* IMEI of the simulated MS */ |
| 64 | hexstring imsi, |
| 65 | /* MSISDN of the simulated MS (probably unused) */ |
| 66 | hexstring msisdn, |
| 67 | /* P-TMSI allocated to the simulated MS */ |
| 68 | OCT4 p_tmsi optional, |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 69 | OCT3 p_tmsi_sig optional, |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 70 | /* TLLI of the simulated MS */ |
| 71 | OCT4 tlli, |
| 72 | RoutingAreaIdentificationV ra optional, |
| 73 | BssgpCellId bssgp_cell_id, |
| 74 | AuthVector vec optional, |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 75 | SGSN_ConnHdlrNetworkPars net, |
| 76 | float t_guard |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 77 | }; |
| 78 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 79 | private function f_init_gb(inout GbInstance gb) runs on test_CT { |
| 80 | gb.vc_NS := NS_CT.create; |
| 81 | gb.vc_BSSGP := BSSGP_CT.create; |
| 82 | /* connect lower end of BSSGP emulation with NS upper port */ |
| 83 | connect(gb.vc_BSSGP:BSCP, gb.vc_NS:NS_SP); |
| 84 | /* connect lower end of NS emulation to NS codec port (on top of IPL4) */ |
| 85 | map(gb.vc_NS:NSCP, system:NS_CODEC_PORT); |
| 86 | |
| 87 | gb.vc_NS.start(NSStart()); |
| 88 | gb.vc_BSSGP.start(BssgpStart(gb.cfg)); |
| 89 | } |
| 90 | |
| 91 | private function f_init_gsup(charstring id) runs on test_CT { |
| 92 | id := id & "-GSUP"; |
| 93 | var GsupOps ops := { |
| 94 | create_cb := refers(GSUP_Emulation.ExpectedCreateCallback) |
| 95 | }; |
| 96 | |
| 97 | vc_GSUP_IPA := IPA_Emulation_CT.create(id & "-IPA"); |
| 98 | vc_GSUP := GSUP_Emulation_CT.create(id); |
| 99 | |
| 100 | map(vc_GSUP_IPA:IPA_PORT, system:IPA_CODEC_PT); |
| 101 | connect(vc_GSUP:GSUP, vc_GSUP_IPA:IPA_GSUP_PORT); |
| 102 | /* we use this hack to get events like ASP_IPA_EVENT_UP */ |
| 103 | connect(vc_GSUP_IPA:IPA_CTRL_PORT, self:GSUP_IPA_EVENT); |
| 104 | |
| 105 | vc_GSUP.start(GSUP_Emulation.main(ops, id)); |
| 106 | vc_GSUP_IPA.start(IPA_Emulation.main_server(mp_hlr_ip, mp_hlr_port)); |
| 107 | |
| 108 | /* wait for incoming connection to GSUP port before proceeding */ |
| 109 | timer T := 10.0; |
| 110 | T.start; |
| 111 | alt { |
| 112 | [] GSUP_IPA_EVENT.receive(t_ASP_IPA_EVT_UD(ASP_IPA_EVENT_UP)) { } |
| 113 | [] T.timeout { |
| 114 | setverdict(fail, "No connection to GSUP Port"); |
| 115 | self.stop; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 120 | private function f_init_vty() runs on test_CT { |
| 121 | map(self:SGSNVTY, system:SGSNVTY); |
| 122 | f_vty_set_prompts(SGSNVTY); |
| 123 | f_vty_transceive(SGSNVTY, "enable"); |
| 124 | f_vty_config(SGSNVTY, "sgsn", "auth-policy remote"); |
| 125 | } |
| 126 | |
| 127 | |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 128 | function f_init() runs on test_CT { |
| 129 | if (g_initialized == true) { |
| 130 | return; |
| 131 | } |
| 132 | g_initialized := true; |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 133 | g_gb[0].cfg := { |
| 134 | nsei := 96, |
| 135 | bvci := 196, |
| 136 | cell_id := { |
| 137 | ra_id := { |
| 138 | lai := { |
| 139 | mcc_mnc := '26242F'H, lac := 13135}, |
| 140 | rac := 0 |
| 141 | }, |
| 142 | cell_id := 20960 |
| 143 | }, |
| 144 | sgsn_role := false |
| 145 | }; |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 146 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 147 | f_init_gb(g_gb[0]); |
| 148 | f_init_gsup("SGSN_Test"); |
Harald Welte | bd19472 | 2018-02-16 22:11:08 +0100 | [diff] [blame] | 149 | f_init_vty(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 150 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 151 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 152 | type function void_fn(charstring id) runs on BSSGP_ConnHdlr; |
| 153 | |
| 154 | /* helper function to create, connect and start a BSSGP_ConnHdlr component */ |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 155 | function f_start_handler(void_fn fn, charstring id, GbInstance gb, integer imsi_suffix, |
| 156 | float t_guard := 30.0) |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 157 | runs on test_CT return BSSGP_ConnHdlr { |
| 158 | var BSSGP_ConnHdlr vc_conn; |
| 159 | var SGSN_ConnHdlrNetworkPars net_pars := { |
| 160 | expect_ptmsi := true, |
| 161 | expect_auth := true, |
| 162 | expect_ciph := false |
| 163 | }; |
| 164 | var BSSGP_ConnHdlrPars pars := { |
| 165 | imei := f_gen_imei(imsi_suffix), |
| 166 | imsi := f_gen_imsi(imsi_suffix), |
| 167 | msisdn := f_gen_msisdn(imsi_suffix), |
| 168 | p_tmsi := omit, |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 169 | p_tmsi_sig := omit, |
Harald Welte | 14a0f94 | 2018-02-16 20:42:23 +0100 | [diff] [blame] | 170 | tlli := f_gprs_tlli_random(), |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 171 | ra := omit, |
| 172 | bssgp_cell_id := gb.cfg.cell_id, |
| 173 | vec := omit, |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 174 | net := net_pars, |
| 175 | t_guard := t_guard |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 176 | }; |
| 177 | |
| 178 | vc_conn := BSSGP_ConnHdlr.create(id); |
| 179 | connect(vc_conn:BSSGP, gb.vc_BSSGP:BSSGP_SP); |
| 180 | connect(vc_conn:BSSGP_PROC, gb.vc_BSSGP:BSSGP_PROC); |
| 181 | |
| 182 | connect(vc_conn:GSUP, vc_GSUP:GSUP_CLIENT); |
| 183 | connect(vc_conn:GSUP_PROC, vc_GSUP:GSUP_PROC); |
| 184 | |
| 185 | vc_conn.start(f_handler_init(fn, id, pars)); |
| 186 | return vc_conn; |
| 187 | } |
| 188 | |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 189 | private altstep as_Tguard() runs on BSSGP_ConnHdlr { |
| 190 | [] g_Tguard.timeout { |
| 191 | setverdict(fail, "Tguard timeout"); |
| 192 | self.stop; |
| 193 | } |
| 194 | } |
| 195 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 196 | /* first function called in every ConnHdlr */ |
| 197 | private function f_handler_init(void_fn fn, charstring id, BSSGP_ConnHdlrPars pars) |
| 198 | runs on BSSGP_ConnHdlr { |
| 199 | /* do some common stuff like setting up g_pars */ |
| 200 | g_pars := pars; |
| 201 | |
| 202 | /* register with BSSGP core */ |
| 203 | f_bssgp_client_register(g_pars.imsi, g_pars.tlli, g_pars.bssgp_cell_id); |
| 204 | /* tell GSUP dispatcher to send this IMSI to us */ |
| 205 | f_create_gsup_expect(hex2str(g_pars.imsi)); |
| 206 | |
Harald Welte | 62e2958 | 2018-02-16 21:17:11 +0100 | [diff] [blame] | 207 | g_Tguard.start(pars.t_guard); |
| 208 | activate(as_Tguard()); |
| 209 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 210 | /* call the user-supplied test case function */ |
| 211 | fn.apply(id); |
| 212 | f_bssgp_client_unregister(g_pars.imsi); |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | /* TODO: |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 216 | * Detach without Attach |
| 217 | * SM procedures without attach / RAU |
| 218 | * ATTACH / RAU |
| 219 | ** with / without authentication |
| 220 | ** with / without P-TMSI allocation |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 221 | ** reject from HLR on SAI |
| 222 | ** reject from HLR on UL |
| 223 | * re-transmissions of LLC frames |
| 224 | * PDP Context activation |
| 225 | ** with different GGSN config in SGSN VTY |
| 226 | ** with different PDP context type (v4/v6/v46) |
| 227 | ** timeout from GGSN |
| 228 | ** reject from GGSN |
| 229 | */ |
| 230 | |
| 231 | testcase TC_wait_ns_up() runs on test_CT { |
| 232 | f_init(); |
| 233 | f_sleep(20.0); |
| 234 | } |
| 235 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 236 | altstep as_mm_identity() runs on BSSGP_ConnHdlr { |
| 237 | var MobileIdentityLV mi; |
| 238 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('001'B))) { |
| 239 | mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); |
| 240 | BSSGP.send(ts_GMM_ID_RESP(mi)); |
| 241 | repeat; |
| 242 | } |
| 243 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ('010'B))) { |
| 244 | mi := valueof(ts_MI_IMEI_LV(g_pars.imei)); |
| 245 | BSSGP.send(ts_GMM_ID_RESP(mi)); |
| 246 | repeat; |
| 247 | } |
| 248 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 249 | |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame^] | 250 | /* perform GMM authentication (if expected) */ |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 251 | function f_gmm_auth () runs on BSSGP_ConnHdlr { |
| 252 | var BssgpDecoded bd; |
| 253 | var PDU_L3_MS_SGSN l3_mo; |
| 254 | var PDU_L3_SGSN_MS l3_mt; |
| 255 | var default di := activate(as_mm_identity()); |
| 256 | if (g_pars.net.expect_auth) { |
| 257 | g_pars.vec := f_gen_auth_vec_2g(); |
| 258 | var GSUP_IE auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand, |
| 259 | g_pars.vec.sres, |
| 260 | g_pars.vec.kc)); |
| 261 | GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); |
| 262 | GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple)); |
| 263 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_AUTH_REQ(g_pars.vec.rand))) -> value bd; |
| 264 | l3_mt := bd.l3_mt; |
| 265 | var BIT4 ac_ref := l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.acReferenceNumber.valueField; |
| 266 | l3_mo := valueof(ts_GMM_AUTH_RESP_2G(ac_ref, g_pars.vec.sres)); |
| 267 | if (ispresent(l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest) and |
| 268 | l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest.valueField == '001'B) { |
| 269 | l3_mo.msgs.gprs_mm.authenticationAndCipheringResponse.imeisv := |
| 270 | valueof(ts_MI_IMEISV_TLV(g_pars.imei & '0'H)); |
| 271 | } |
| 272 | BSSGP.send(l3_mo); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 273 | } else { |
| 274 | /* wait for identity procedure */ |
| 275 | f_sleep(1.0); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 276 | } |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 277 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 278 | deactivate(di); |
| 279 | } |
| 280 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 281 | function f_process_attach_accept(PDU_GMM_AttachAccept aa) runs on BSSGP_ConnHdlr { |
| 282 | /* mandatory IE */ |
| 283 | g_pars.ra := aa.routingAreaIdentification; |
| 284 | if (ispresent(aa.allocatedPTMSI)) { |
| 285 | if (not g_pars.net.expect_ptmsi) { |
| 286 | setverdict(fail, "unexpected P-TMSI allocation"); |
| 287 | self.stop; |
| 288 | } |
| 289 | g_pars.p_tmsi := aa.allocatedPTMSI.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi.octets; |
| 290 | /* update TLLI? */ |
| 291 | } |
| 292 | if (ispresent(aa.msIdentity)) { |
| 293 | setverdict(fail, "unexpected TMSI allocation in non-combined attach"); |
| 294 | self.stop; |
| 295 | } |
| 296 | /* P-TMSI.sig */ |
| 297 | if (ispresent(aa.ptmsiSignature)) { |
| 298 | g_pars.p_tmsi_sig := aa.ptmsiSignature.valueField; |
| 299 | } |
| 300 | /* updateTimer */ |
| 301 | // aa.readyTimer |
| 302 | /* T3302, T3319, T3323, T3312_ext, T3324 */ |
| 303 | } |
| 304 | |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 305 | function f_random_RAI(HEX0_3n mcc := '262'H, HEX0_3n mnc := '42'H) return RoutingAreaIdentificationV { |
| 306 | return f_RAI(mcc, mnc, f_rnd_octstring(2), f_rnd_octstring(1)); |
| 307 | } |
| 308 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 309 | /* return a MobileIdentityLV: P-TMSI if we have one, IMSI otherwise */ |
| 310 | private function f_mi_get_lv() runs on BSSGP_ConnHdlr return MobileIdentityLV { |
| 311 | if (ispresent(g_pars.p_tmsi)) { |
| 312 | return valueof(ts_MI_TMSI_LV(g_pars.p_tmsi)); |
| 313 | } else { |
| 314 | return valueof(ts_MI_IMSI_LV(g_pars.imsi)); |
| 315 | } |
| 316 | } |
| 317 | |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame^] | 318 | private function f_gmm_gsup_lu_isd() runs on BSSGP_ConnHdlr { |
| 319 | /* Expect MSC to perform LU with HLR */ |
| 320 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)); |
| 321 | GSUP.send(ts_GSUP_ISD_REQ(g_pars.imsi, g_pars.msisdn)); |
| 322 | GSUP.receive(tr_GSUP_ISD_RES(g_pars.imsi)); |
| 323 | GSUP.send(ts_GSUP_UL_RES(g_pars.imsi)); |
| 324 | } |
| 325 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 326 | private function f_TC_attach(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 327 | var BssgpDecoded bd; |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 328 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 329 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 330 | 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] | 331 | f_gmm_auth(); |
| 332 | /* Expect MSC to perform LU with HLR */ |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame^] | 333 | f_gmm_gsup_lu_isd(); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 334 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 335 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 336 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 337 | } |
| 338 | /* FIXME: Extract P-TMSI, if any. Only send Complete if necessary */ |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 339 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 340 | setverdict(pass); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | testcase TC_attach() runs on test_CT { |
| 344 | var BSSGP_ConnHdlr vc_conn; |
| 345 | f_init(); |
| 346 | f_sleep(1.0); |
| 347 | vc_conn := f_start_handler(refers(f_TC_attach), testcasename(), g_gb[0], 1); |
| 348 | vc_conn.done; |
| 349 | } |
| 350 | |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 351 | /* MS never responds to ID REQ, expect ATTACH REJECT */ |
| 352 | 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] | 353 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 354 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 355 | 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] | 356 | alt { |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 357 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ID_REQ(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 358 | /* don't send ID Response */ |
| 359 | repeat; |
| 360 | } |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 361 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT('09'O))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 362 | setverdict(pass); |
| 363 | } |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 364 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 365 | setverdict(fail, "Wrong Attach Reject Cause"); |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | testcase TC_attach_auth_id_timeout() runs on test_CT { |
| 370 | var BSSGP_ConnHdlr vc_conn; |
| 371 | f_init(); |
| 372 | vc_conn := f_start_handler(refers(f_TC_attach_auth_id_timeout), testcasename(), g_gb[0], 2, 40.0); |
| 373 | vc_conn.done; |
| 374 | } |
| 375 | |
| 376 | /* HLR never responds to SAI REQ, expect ATTACH REJECT */ |
| 377 | 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] | 378 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 379 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 380 | 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] | 381 | alt { |
| 382 | [] as_mm_identity(); |
| 383 | [] GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); { } |
| 384 | } |
| 385 | /* don't send SAI-response from HLR */ |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 386 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 387 | setverdict(pass); |
| 388 | } |
| 389 | testcase TC_attach_auth_sai_timeout() runs on test_CT { |
| 390 | var BSSGP_ConnHdlr vc_conn; |
| 391 | f_init(); |
| 392 | vc_conn := f_start_handler(refers(f_TC_attach_auth_sai_timeout), testcasename(), g_gb[0], 3); |
| 393 | vc_conn.done; |
| 394 | } |
| 395 | |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 396 | /* HLR rejects SAI, expect ATTACH REJECT */ |
| 397 | 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] | 398 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 399 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 400 | 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] | 401 | alt { |
| 402 | [] as_mm_identity(); |
| 403 | [] GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi)); { |
| 404 | GSUP.send(ts_GSUP_SAI_ERR(g_pars.imsi, 23)); |
| 405 | } |
| 406 | } |
| 407 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))); |
| 408 | setverdict(pass); |
| 409 | } |
| 410 | testcase TC_attach_auth_sai_reject() runs on test_CT { |
| 411 | var BSSGP_ConnHdlr vc_conn; |
| 412 | f_init(); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 413 | 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] | 414 | vc_conn.done; |
| 415 | } |
| 416 | |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 417 | /* HLR never responds to UL REQ, expect ATTACH REJECT */ |
| 418 | 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] | 419 | var BssgpDecoded bd; |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 420 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 421 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 422 | 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] | 423 | f_gmm_auth(); |
| 424 | /* Expect MSC to perform LU with HLR */ |
| 425 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)); |
| 426 | /* Never follow-up with ISD_REQ or UL_RES */ |
| 427 | alt { |
Harald Welte | 1967d47 | 2018-02-16 21:54:21 +0100 | [diff] [blame] | 428 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 429 | setverdict(pass); |
| 430 | } |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 431 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 432 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 433 | setverdict(fail); |
| 434 | } |
| 435 | } |
| 436 | } |
| 437 | testcase TC_attach_gsup_lu_timeout() runs on test_CT { |
| 438 | var BSSGP_ConnHdlr vc_conn; |
| 439 | f_init(); |
| 440 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 441 | 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] | 442 | vc_conn.done; |
| 443 | } |
| 444 | |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 445 | /* HLR rejects UL REQ, expect ATTACH REJECT */ |
| 446 | private function f_TC_attach_gsup_lu_reject(charstring id) runs on BSSGP_ConnHdlr { |
| 447 | var BssgpDecoded bd; |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 448 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 449 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 450 | 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] | 451 | f_gmm_auth(); |
| 452 | /* Expect MSC to perform LU with HLR */ |
| 453 | GSUP.receive(tr_GSUP_UL_REQ(g_pars.imsi)) { |
| 454 | GSUP.send(ts_GSUP_UL_ERR(g_pars.imsi, 0)); |
| 455 | } |
| 456 | alt { |
| 457 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
| 458 | setverdict(pass); |
| 459 | } |
| 460 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 461 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 462 | setverdict(fail); |
| 463 | } |
| 464 | } |
| 465 | } |
| 466 | testcase TC_attach_gsup_lu_reject() runs on test_CT { |
| 467 | var BSSGP_ConnHdlr vc_conn; |
| 468 | f_init(); |
| 469 | f_sleep(1.0); |
| 470 | vc_conn := f_start_handler(refers(f_TC_attach_gsup_lu_reject), testcasename(), g_gb[0], 6); |
| 471 | vc_conn.done; |
| 472 | } |
| 473 | |
| 474 | |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 475 | /* Attempt of combined GPRS + IMSI attach: network should ACK only GPRS attach */ |
| 476 | private function f_TC_attach_combined(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 477 | var BssgpDecoded bd; |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 478 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 479 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 480 | 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] | 481 | f_gmm_auth(); |
| 482 | /* Expect MSC to perform LU with HLR */ |
Harald Welte | 311ec27 | 2018-02-17 09:40:03 +0100 | [diff] [blame^] | 483 | f_gmm_gsup_lu_isd(); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 484 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 485 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 486 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 487 | } |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 488 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
| 489 | setverdict(pass); |
| 490 | } |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 491 | testcase TC_attach_combined() runs on test_CT { |
| 492 | var BSSGP_ConnHdlr vc_conn; |
| 493 | f_init(); |
| 494 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 495 | 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] | 496 | vc_conn.done; |
| 497 | } |
| 498 | |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 499 | /* Attempt of GPRS ATTACH in 'accept all' mode */ |
| 500 | 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] | 501 | var BssgpDecoded bd; |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 502 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 503 | |
| 504 | g_pars.net.expect_auth := false; |
| 505 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 506 | 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] | 507 | f_gmm_auth(); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 508 | BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { |
| 509 | f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); |
| 510 | } |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 511 | BSSGP.send(ts_GMM_ATTACH_COMPL); |
| 512 | setverdict(pass); |
| 513 | } |
| 514 | testcase TC_attach_accept_all() runs on test_CT { |
| 515 | var BSSGP_ConnHdlr vc_conn; |
| 516 | f_init(); |
| 517 | f_sleep(1.0); |
| 518 | f_vty_config(SGSNVTY, "sgsn", "auth-policy accept-all"); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 519 | 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] | 520 | vc_conn.done; |
| 521 | } |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 522 | |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 523 | /* Attempt of GPRS ATTACH in 'accept all' mode */ |
| 524 | 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] | 525 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 526 | |
| 527 | /* Simulate a foreign IMSI */ |
| 528 | g_pars.imsi := '001010123456789'H; |
| 529 | f_bssgp_client_register(g_pars.imsi, g_pars.tlli, g_pars.bssgp_cell_id); |
| 530 | |
| 531 | g_pars.net.expect_auth := false; |
| 532 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 533 | 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] | 534 | alt { |
| 535 | [] as_mm_identity(); |
| 536 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT('07'O))) { |
| 537 | setverdict(pass); |
| 538 | } |
| 539 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { |
| 540 | setverdict(pass); |
| 541 | } |
| 542 | } |
| 543 | } |
| 544 | testcase TC_attach_closed() runs on test_CT { |
| 545 | var BSSGP_ConnHdlr vc_conn; |
| 546 | f_init(); |
| 547 | f_sleep(1.0); |
| 548 | f_vty_config(SGSNVTY, "sgsn", "auth-policy closed"); |
| 549 | /* test with foreign IMSI: Must Reject */ |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 550 | 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] | 551 | vc_conn.done; |
| 552 | /* test with home IMSI: Must Accept */ |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 553 | 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] | 554 | vc_conn.done; |
| 555 | } |
| 556 | |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 557 | /* Routing Area Update from Unknown TLLI -> REJECT */ |
| 558 | private function f_TC_rau_unknown(charstring id) runs on BSSGP_ConnHdlr { |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 559 | var RoutingAreaIdentificationV old_ra := f_random_RAI(); |
| 560 | |
Harald Welte | 23178c5 | 2018-02-17 09:36:33 +0100 | [diff] [blame] | 561 | 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] | 562 | alt { |
| 563 | [] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_REJECT('0a'O))) { |
| 564 | setverdict(pass); |
| 565 | } |
| 566 | /* FIXME: Expect XID RESET? */ |
| 567 | [] BSSGP.receive { repeat; } |
| 568 | } |
| 569 | } |
| 570 | testcase TC_rau_unknown() runs on test_CT { |
| 571 | var BSSGP_ConnHdlr vc_conn; |
| 572 | f_init(); |
| 573 | f_sleep(1.0); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 574 | 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] | 575 | vc_conn.done; |
| 576 | } |
| 577 | |
| 578 | |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 579 | |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 580 | |
| 581 | control { |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 582 | execute( TC_attach() ); |
| 583 | execute( TC_attach_auth_id_timeout() ); |
| 584 | execute( TC_attach_auth_sai_timeout() ); |
Harald Welte | fe25388 | 2018-02-17 09:25:00 +0100 | [diff] [blame] | 585 | execute( TC_attach_auth_sai_reject() ); |
Harald Welte | 5b7c812 | 2018-02-16 21:48:17 +0100 | [diff] [blame] | 586 | execute( TC_attach_gsup_lu_timeout() ); |
Harald Welte | b7c14e9 | 2018-02-17 09:29:16 +0100 | [diff] [blame] | 587 | execute( TC_attach_gsup_lu_reject() ); |
Harald Welte | 3823e2e | 2018-02-16 21:53:48 +0100 | [diff] [blame] | 588 | execute( TC_attach_combined() ); |
Harald Welte | 76dee09 | 2018-02-16 22:12:59 +0100 | [diff] [blame] | 589 | execute( TC_attach_accept_all() ); |
Harald Welte | b2124b2 | 2018-02-16 22:26:56 +0100 | [diff] [blame] | 590 | execute( TC_attach_closed() ); |
Harald Welte | 04683d0 | 2018-02-16 22:43:45 +0100 | [diff] [blame] | 591 | execute( TC_rau_unknown() ); |
Harald Welte | 5ac3149 | 2018-02-15 20:39:13 +0100 | [diff] [blame] | 592 | } |
Harald Welte | 96a33b0 | 2018-02-04 10:36:22 +0100 | [diff] [blame] | 593 | |
| 594 | |
| 595 | |
| 596 | } |