module HLR_Tests { /* HLR test suite in TTCN-3 * (C) 2017-2018 Harald Welte * (C) 2018 sysmocom - s.f.m.c. GmbH * (C) 2018 Vadim Yanitskiy * All rights reserved. * * Released under the terms of GNU General Public License, Version 2 or * (at your option) any later version. * * SPDX-License-Identifier: GPL-2.0-or-later */ import from GSUP_Types all; import from GSUP_Templates all; import from GSUP_Emulation all; import from IPA_Emulation all; import from General_Types all; import from Osmocom_Types all; import from Osmocom_CTRL_Adapter all; import from TCCEncoding_Functions all; import from SS_Types all; import from SS_Templates all; import from MAP_Errors all; import from USSD_Helpers all; import from Osmocom_VTY_Functions all; import from TELNETasp_PortType all; import from MSLookup_mDNS_Types all; import from MSLookup_mDNS_Emulation all; import from MSLookup_mDNS_Templates all; import from DNS_Helpers all; type component test_CT extends CTRL_Adapter_CT { /* emulated GSUP client (MSC/SGSN) */ var IPA_Emulation_CT vc_IPA; var IPA_CCM_Parameters ccm_pars; /* legacy tests without ConnHdlr */ port IPA_GSUP_PT GSUP; /* new tests using ConnHdlr + GSUP_Emulation */ var GSUP_Emulation_CT vc_GSUP; /* only to get events from IPA underneath GSUP */ port IPA_CTRL_PT GSUP_IPA_EVENT; port TELNETasp_PT VTY; var MSLookup_mDNS_Emulation_CT vc_MSLookup_mDNS; /* emulated GSUP server (second HLR) */ var IPA_Emulation_CT vc_IPA_server; var GSUP_Emulation_CT vc_GSUP_server; timer g_Tguard := 10.0; }; modulepar { /* OsmoHLR */ charstring mp_hlr_ip := "127.0.0.1"; integer mp_hlr_gsup_port := 4222; integer mp_hlr_ctrl_port := 4259; /* how many auth tuples are expected when IE ts_GSUP_IE_NUM_VECTORS_REQ is absent */ integer mp_default_num_auth_tuples := 5; /* emulated GSUP server (second HLR) */ charstring mp_hlr_ts_ip := "127.0.0.99"; integer mp_hlr_ts_port := 4222; }; type record HlrSubscrAud2G { charstring algo, OCT16 ki } type record HlrSubscrAud3G { charstring algo, OCT16 k, OCT16 op, boolean op_is_opc } type record HlrSubscriber { hexstring imsi, hexstring msisdn, HlrSubscrAud2G aud2g optional, HlrSubscrAud3G aud3g optional } type record of HlrSubscriber HlrSubscriberList; type component HLR_ConnHdlr extends GSUP_ConnHdlr { timer g_Tguard := 10.0; var HLR_ConnHdlrPars g_pars; port TELNETasp_PT VTY; port MSLookup_mDNS_PT mDNS; /* Pass from test_CT for explicit addressing */ var GSUP_Emulation_CT vc_GSUP_server; var GSUP_Emulation_CT vc_GSUP_client; var IPA_CCM_Parameters ccm_pars_client; } type record HLR_ConnHdlrPars { HlrSubscriber sub, HLR_ConnHdlrParsUssd ussd optional, octetstring source_name optional } type record HLR_ConnHdlrParsUssd { OCT4 sid } template (value) HLR_ConnHdlrPars t_Pars(hexstring imsi, hexstring msisdn := ''H, template (omit) octetstring source_name := omit) := { sub := { imsi := imsi, msisdn := msisdn, aud2g := omit, aud3g := omit }, ussd := omit, source_name := source_name } template (value) HLR_ConnHdlrPars t_Pars_via_proxy(hexstring imsi, hexstring msisdn := ''H) := t_Pars(imsi, msisdn, source_name := char2oct("the-source\n")); template (value) HLR_ConnHdlrPars t_Pars_sub(HlrSubscriber sub) := { sub := sub, ussd := omit, source_name := omit } template (value) HLR_ConnHdlrPars t_Pars_sub_via_proxy(HlrSubscriber sub) := { sub := sub, ussd := omit, source_name := char2oct("the-source\n") } type function void_fn() runs on HLR_ConnHdlr; /*********************************************************************** * Main Component ***********************************************************************/ function f_init_vty() runs on test_CT { map(self:VTY, system:VTY); f_vty_set_prompts(VTY); f_vty_transceive(VTY, "enable"); f_vty_config(VTY, "mslookup", "no mdns bind"); f_vty_config(VTY, "hlr", "reject-cause not-found imsi-unknown"); } private altstep as_Tguard() runs on test_CT { [] g_Tguard.timeout { setverdict(fail, "g_Tguard timeout"); mtc.stop; } } /* emulated GSUP client (MSC/SGSN) */ function f_init_gsup(charstring id, boolean legacy) runs on test_CT { id := id & "-GSUP"; var GsupOps ops := { create_cb := refers(GSUP_Emulation.ExpectedCreateCallback) } ccm_pars := c_IPA_default_ccm_pars; ccm_pars.name := "Osmocom TTCN-3 GSUP Simulator"; ccm_pars.ser_nr := "MSC-00-00-00-00-00-00"; vc_IPA := IPA_Emulation_CT.create(id & "-IPA"); log("legacy= ", legacy); if (not legacy) { log("in not legacy case 1"); vc_GSUP := GSUP_Emulation_CT.create(id); } map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT); if (not legacy) { log("in not legacy case 2"); connect(vc_GSUP:GSUP, vc_IPA:IPA_GSUP_PORT); connect(vc_IPA:IPA_CTRL_PORT, self:GSUP_IPA_EVENT); vc_GSUP.start(GSUP_Emulation.main(ops, id)); } else { connect(vc_IPA:IPA_GSUP_PORT, self:GSUP); } vc_IPA.start(IPA_Emulation.main_client(mp_hlr_ip, mp_hlr_gsup_port, "", -1, ccm_pars)); /* wait for incoming connection to GSUP port before proceeding */ timer T := 10.0; T.start; alt { [not legacy] GSUP_IPA_EVENT.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { } [legacy] GSUP.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { } [] T.timeout { setverdict(fail, "No connection to GSUP Port"); mtc.stop; } } } /* emulated GSUP server (second HLR) */ function f_init_gsup_server(charstring id) runs on test_CT { id := id & "-GSUP-server"; var GsupOps ops := { create_cb := refers(GSUP_Emulation.ExpectedCreateCallback) } vc_GSUP_server := GSUP_Emulation_CT.create(id); vc_IPA_server := IPA_Emulation_CT.create(id & "-IPA"); connect(vc_GSUP_server:GSUP, vc_IPA_server:IPA_GSUP_PORT); map(vc_IPA_server:IPA_PORT, system:IPA_CODEC_PT); vc_GSUP_server.start(GSUP_Emulation.main(ops, id)); vc_IPA_server.start(IPA_Emulation.main_server(mp_hlr_ts_ip, mp_hlr_ts_port)); } function f_init_mslookup() runs on test_CT { vc_MSLookup_mDNS := MSLookup_mDNS_Emulation_CT.create; vc_MSLookup_mDNS.start(MSLookup_mDNS_Emulation.f_main()); } function f_init(boolean legacy := true, boolean gsup_server := false) runs on test_CT { /* activate default guard timer to ensure all tests eventually terminate */ g_Tguard.start; activate(as_Tguard()); f_init_gsup("HLR_Test", legacy); f_init_vty(); f_init_mslookup(); if (gsup_server) { f_init_gsup_server("HLR_Test"); } f_ipa_ctrl_start_client(mp_hlr_ip, mp_hlr_ctrl_port); } /*! Start HLR_ConnHdlr from testCT in a separate thread. * \param void_fn function to run inside the thread. * \param gsup_server if true, connect the emulated GSUP server ports to the new HLR_ConnHdlr. Then both the emulated * GSUP client (MSC/SGSN) and server (second HLR) are connected. Explicit addressing with "to" and * "from" must be used, i.e. 'GSUP.receive(tr_GSUP_UL_REQ(...)) from vc_GSUP_server'. */ function f_start_handler(void_fn fn, HLR_ConnHdlrPars pars, boolean gsup_server := false) runs on test_CT return HLR_ConnHdlr { var HLR_ConnHdlr vc_conn; var charstring id := testcasename(); vc_conn := HLR_ConnHdlr.create(id); connect(vc_conn:GSUP, vc_GSUP:GSUP_CLIENT); connect(vc_conn:GSUP_PROC, vc_GSUP:GSUP_PROC); connect(vc_conn:mDNS, vc_MSLookup_mDNS:mDNS); if (gsup_server) { connect(vc_conn:GSUP, vc_GSUP_server:GSUP_CLIENT); connect(vc_conn:GSUP_PROC, vc_GSUP_server:GSUP_PROC); vc_conn.start(f_handler_init(fn, id, vc_GSUP_server, vc_GSUP, ccm_pars, pars)); } else { vc_conn.start(f_handler_init(fn, id, omit, vc_GSUP, ccm_pars, pars)); } return vc_conn; } private function f_handler_init_vty() runs on HLR_ConnHdlr { map(self:VTY, system:VTY); f_vty_set_prompts(VTY); f_vty_transceive(VTY, "enable"); } /* first function inside ConnHdlr component; sets g_pars + starts function */ function f_handler_init(void_fn fn, charstring id, template (omit) GSUP_Emulation_CT vc_GSUP_server_test_ct, GSUP_Emulation_CT vc_GSUP_client_test_ct, IPA_CCM_Parameters ccm_pars_client_test_ct, template (omit) HLR_ConnHdlrPars pars := omit) runs on HLR_ConnHdlr { /* Pass from test_CT for explicit addressing */ if (isvalue(vc_GSUP_server_test_ct)) { vc_GSUP_server := valueof(vc_GSUP_server_test_ct); } vc_GSUP_client := vc_GSUP_client_test_ct; ccm_pars_client := ccm_pars_client_test_ct; if (isvalue(pars)) { g_pars := valueof(pars); f_create_gsup_expect_explicit(hex2str(g_pars.sub.imsi), vc_GSUP_client); } f_handler_init_vty(); fn.apply(); } /*********************************************************************** * Subscriber creation via VTY ***********************************************************************/ template (value) HlrSubscriber t_SubNoAuth(hexstring imsi, hexstring msisdn) := { imsi := imsi, msisdn := msisdn, aud2g := omit, aud3g := omit } const OCT16 c_KI_DEFAULT := '000102030405060708090a0b0c0d0e0f'O; const OCT16 c_K_DEFAULT := '101112131415161718191a1b1c1d1e1f'O; const OCT16 c_OP_DEFAULT := '202122232425262728292a2b2c2d2e2f'O; //const OCT16 c_OPC_DEFAULT := '303132333435363738393a3b3c3d3f'O; template (value) HlrSubscriber t_Sub2G(hexstring imsi, hexstring msisdn, charstring algo) := { imsi := imsi, msisdn := msisdn, aud2g := { algo := algo, ki := c_KI_DEFAULT }, aud3g := omit } template (value) HlrSubscriber t_Sub3G(hexstring imsi, hexstring msisdn, charstring algo, boolean is_opc) := { imsi := imsi, msisdn := msisdn, aud2g := omit, aud3g := { algo := algo, k := c_K_DEFAULT, op := c_OP_DEFAULT, op_is_opc := is_opc } } template (value) HlrSubscriber t_Sub2G3G(hexstring imsi, hexstring msisdn, charstring algo2g, charstring algo3g, boolean is_opc) := { imsi := imsi, msisdn := msisdn, aud2g := { algo := algo2g, ki := c_KI_DEFAULT }, aud3g := { algo := algo3g, k := c_K_DEFAULT, op := c_OP_DEFAULT, op_is_opc := is_opc } } /* generate a variety of subscribers with different parameters */ function f_gen_subs() runs on test_CT return HlrSubscriberList { var HlrSubscriber sub; var HlrSubscriberList sl := {}; sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1")); sl := sl & { sub }; sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v2")); sl := sl & { sub }; sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v3")); sl := sl & { sub }; sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", true)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1", "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v2", "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v3", "milenage", false)); sl := sl & { sub }; return sl; } function f_gen_3G_subs() runs on test_CT return HlrSubscriberList { var HlrSubscriber sub; var HlrSubscriberList sl := {}; sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", true)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1", "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v2", "milenage", false)); sl := sl & { sub }; sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v3", "milenage", false)); sl := sl & { sub }; return sl; } function f_vty_transceive_match(TELNETasp_PT pt, charstring cmd, template charstring exp_ret) { var charstring ret := f_vty_transceive_ret(pt, cmd); if (not match(ret, exp_ret)) { setverdict(fail, "Non-matching VTY response: ", ret); mtc.stop; } } function f_vty_transceive_nomatch(TELNETasp_PT pt, charstring cmd, template charstring exp_ret) { var charstring ret := f_vty_transceive_ret(pt, cmd); if (match(ret, exp_ret)) { setverdict(fail, "Matching VTY response: ", ret, ", should *not* have matched: ", exp_ret); mtc.stop; } } private template (value) charstring t_subscr_prefix(hexstring imsi) := "subscriber imsi " & hex2str(imsi) & " "; /* create a given subscriber using the VTY */ function f_vty_subscr_create(TELNETasp_PT VTY, HlrSubscriber sub) { var charstring prefix := valueof(t_subscr_prefix(sub.imsi)); f_vty_transceive_match(VTY, prefix & "create", pattern "% Created subscriber *"); f_vty_transceive_match(VTY, prefix & "update msisdn " & hex2str(sub.msisdn), pattern "% Updated subscriber *"); if (ispresent(sub.aud2g)) { f_vty_transceive_match(VTY, prefix & "update aud2g " & sub.aud2g.algo & " ki " & oct2str(sub.aud2g.ki), pattern ""); } else { f_vty_transceive_match(VTY, prefix & "update aud2g none", pattern ""); } if (ispresent(sub.aud3g)) { var charstring op_mode := "op"; if (sub.aud3g.op_is_opc) { op_mode := "opc"; } f_vty_transceive_match(VTY, prefix & "update aud3g " & sub.aud3g.algo & " k " & oct2str(sub.aud3g.k) & " " & op_mode & " " & oct2str(sub.aud3g.op), pattern ""); } else { f_vty_transceive_match(VTY, prefix & "update aud3g none", pattern ""); } } function f_vty_subscr_update_msisdn(TELNETasp_PT VTY, HlrSubscriber sub, hexstring new_msisdn) { var charstring prefix := valueof(t_subscr_prefix(sub.imsi)); f_vty_transceive_match(VTY, prefix & "update msisdn " & hex2str(new_msisdn), pattern "% Updated subscriber *"); } /* perform 'delete' on subscriber */ function f_vty_subscr_delete(TELNETasp_PT VTY, HlrSubscriber sub) { var charstring prefix := valueof(t_subscr_prefix(sub.imsi)); f_vty_transceive_match(VTY, prefix & "delete", pattern "% Deleted subscriber for IMSI *"); } /* perform 'show' on subscriber; match result with pattern 'exp' */ function f_vty_subscr_show(TELNETasp_PT VTY, HlrSubscriber sub, template charstring exp) { var charstring prefix := valueof(t_subscr_prefix(sub.imsi)); f_vty_transceive_match(VTY, prefix & "show", exp); } /* perform 'show' on subscriber; result must not match with pattern 'exp' */ function f_vty_subscr_show_nomatch(TELNETasp_PT VTY, HlrSubscriber sub, template charstring exp) { var charstring prefix := valueof(t_subscr_prefix(sub.imsi)); f_vty_transceive_nomatch(VTY, prefix & "show", exp); } /*********************************************************************** * Helper functions for ConnHdlr ***********************************************************************/ /* perform SendAuthInfo for given imsi, return the GSUP response/error */ function f_perform_SAI(hexstring imsi, template (omit) integer exp_err_cause := omit, boolean is_eps := false, template (omit) integer num_auth_tuple := omit) runs on HLR_ConnHdlr return GSUP_PDU { var template GSUP_PDU sai_msg; var GSUP_PDU ret; timer T := 3.0; var boolean exp_fail := false; if (not istemplatekind(exp_err_cause, "omit")) { exp_fail := true; } if (is_eps) { sai_msg := ts_GSUP_SAI_REQ_EPS(imsi); } else { sai_msg := ts_GSUP_SAI_REQ(imsi); } if (not istemplatekind(num_auth_tuple, "omit")) { sai_msg.ies := valueof(sai_msg.ies) & { valueof(ts_GSUP_IE_NUM_VECTORS_REQ(int2oct(valueof(num_auth_tuple), 1))) }; } GSUP.send(sai_msg); T.start; alt { [exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, exp_err_cause)) -> value ret { setverdict(pass); } [exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, ?)) -> value ret { setverdict(fail, "Unexpected SAI ERROR Cause"); } [exp_fail] GSUP.receive(tr_GSUP_SAI_RES(imsi)) -> value ret { setverdict(fail, "Unexpected SAI.res for unknown IMSI"); } [not exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, ?)) -> value ret { setverdict(fail, "Unexpected SAI ERROR"); } [not exp_fail] GSUP.receive(tr_GSUP_SAI_RES(imsi)) -> value ret { setverdict(pass); } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for SAI response"); mtc.stop; } } return ret; } /* return_isd -> return the Insert Subscriber Data instead of the Update Location Result */ function f_perform_UL(hexstring imsi, template hexstring msisdn, template (omit) integer exp_err_cause := omit, GSUP_CnDomain dom := OSMO_GSUP_CN_DOMAIN_PS, template (omit) octetstring source_name := omit) runs on HLR_ConnHdlr return GSUP_PDUs { var GSUP_PDU pdu; var GSUP_PDU isd; var GSUP_PDUs ret; timer T := 3.0; var boolean exp_fail := false; var boolean isd_done := false; if (not istemplatekind(exp_err_cause, "omit")) { exp_fail := true; } GSUP.send(valueof(ts_GSUP_UL_REQ(imsi, dom, source_name := source_name))); T.start; alt { [exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, exp_err_cause, destination_name := source_name)) -> value pdu { setverdict(pass); } [exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected UL ERROR Cause"); mtc.stop; } [exp_fail] GSUP.receive(tr_GSUP_UL_RES(imsi, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected UL.res for unknown IMSI"); mtc.stop; } [exp_fail] GSUP.receive(tr_GSUP_ISD_REQ(imsi, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected ISD.req in error case"); mtc.stop; } [not exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected UL ERROR"); mtc.stop; } [not exp_fail and not isd_done] GSUP.receive(tr_GSUP_ISD_REQ(imsi, msisdn, destination_name := source_name)) -> value isd { GSUP.send(ts_GSUP_ISD_RES(imsi, source_name := source_name)); isd_done := true; repeat; } [not exp_fail and isd_done] GSUP.receive(tr_GSUP_UL_RES(imsi, destination_name := source_name)) -> value pdu { setverdict(pass); } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for UL response"); mtc.stop; } } ret := { pdu }; if (isd_done) { ret := ret & { isd }; } return ret; } /* Perform Location Update with IMSI that is unknown to OsmoHLR. Let it ask for the HLR that knows the IMSI via * mslookup. The TTCN-3 testsuite pretends to be the home HLR, that knows the IMSI. The proxy HLR connects to the * home HLR and forwards GSUP messages, until LU is complete. * Make sure to let a timer run while calling this function (see TC_MSLookup_GSUP_proxy). */ function f_perform_UL_proxy(hexstring imsi, hexstring msisdn, GSUP_CnDomain dom := OSMO_GSUP_CN_DOMAIN_PS) runs on HLR_ConnHdlr { var MSLookup_mDNS mdns_msg; var integer id; var charstring domain := "gsup.hlr." & hex2str(imsi) & ".imsi.mdns.osmocom.org"; var octetstring destination_name := char2oct(ccm_pars_client.ser_nr) & '00'O; /* TS-MSC IPA name */ /* Testing the HLR as proxy. The MSC asking the proxy and the home HLR are both enacted by TTCN3 (TS). * MSC=vc_GSUP_client <---> osmo-hlr as proxy <---> vc_GSUP_server=home HLR * GSUP.send(..) to vc_GSUP_client ---> osmo-hlr ---> GSUP.receive(..) from vc_GSUP_server * GSUP.receive(..) from vc_GSUP_client <--- osmo-hlr <--- GSUP.send(..) to vc_GSUP_server */ /* [GSUP] TS-MSC => HLR proxy: Update Location Request with unknown IMSI */ GSUP.send(ts_GSUP_UL_REQ(imsi, dom)) to vc_GSUP_client; /* [GSUP] TS-HLR: expect GSUP messages with that IMSI */ f_create_gsup_expect_explicit(hex2str(imsi), vc_GSUP_server); /* [mDNS] TS-HLR <= HLR proxy: query for GSUP server who knows the IMSI */ mDNS.receive(tr_MSLookup_mDNS_query(domain)) -> value mdns_msg; /* [mDNS] TS-HLR => HLR proxy: result with IP/port of TS GSUP server */ id := mdns_msg.dnsMessage.header.id; mDNS.send(ts_MSLookup_mDNS_result_IPv4(id, domain, f_enc_IPv4(mp_hlr_ts_ip), mp_hlr_ts_port)); /* [GSUP] TS-HLR <=> HLR proxy <=> TS-MSC: finish up UL */ GSUP.receive(tr_GSUP_UL_REQ(imsi)) from vc_GSUP_server; GSUP.send(ts_GSUP_ISD_REQ(imsi, msisdn, destination_name)) to vc_GSUP_server; GSUP.receive(tr_GSUP_ISD_REQ(imsi, g_pars.sub.msisdn)) from vc_GSUP_client; GSUP.send(ts_GSUP_ISD_RES(imsi, destination_name := destination_name)) to vc_GSUP_server; GSUP.receive(tr_GSUP_ISD_RES(imsi)) from vc_GSUP_client; GSUP.send(ts_GSUP_UL_RES(imsi, destination_name)) to vc_GSUP_server; GSUP.receive(tr_GSUP_UL_RES(imsi)) from vc_GSUP_client; } /* perform PurgeMS for given imsi, return the GSUP response/error */ function f_perform_PURGE(hexstring imsi, GSUP_CnDomain cn_dom, template (omit) integer exp_err_cause := omit) runs on HLR_ConnHdlr return GSUP_PDU { var GSUP_PDU ret; timer T := 3.0; var boolean exp_fail := false; if (not istemplatekind(exp_err_cause, "omit")) { exp_fail := true; } GSUP.send(valueof(ts_GSUP_PURGE_MS_REQ(imsi, cn_dom))); T.start; alt { [exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, exp_err_cause)) -> value ret { setverdict(pass); } [exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, ?)) -> value ret { setverdict(fail, "Unexpected PURGE ERROR Cause"); } [exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_RES(imsi)) -> value ret { setverdict(fail, "Unexpected PURGE.res for unknown IMSI"); } [not exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, ?)) -> value ret { setverdict(fail, "Unexpected PURGE ERROR"); } [not exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_RES(imsi)) -> value ret { setverdict(pass); } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for PURGE response"); mtc.stop; } } return ret; } function f_SS_xceive(hexstring imsi, OCT4 sid, GSUP_SessionState state, octetstring ss, template (omit) integer exp_err_cause := omit) runs on HLR_ConnHdlr return GSUP_PDU { var GSUP_PDU ret; timer T := 3.0; var boolean exp_fail := false; if (not istemplatekind(exp_err_cause, "omit")) { exp_fail := true; } GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(imsi, sid, state, ss))); T.start; alt { [exp_fail] GSUP.receive(tr_GSUP_PROC_SS_ERR(imsi, sid, ?, exp_err_cause)) -> value ret { setverdict(pass); } [exp_fail] GSUP.receive(tr_GSUP_PROC_SS_ERR(imsi, sid, ?, ?)) -> value ret { setverdict(fail, "Unexpected PROC_SS ERROR Cause"); } [exp_fail] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, ?, ?)) -> value ret { setverdict(fail, "Unexpected PROC_SS.res for unknown IMSI"); } [not exp_fail] GSUP.receive(tr_GSUP_PROC_SS_ERR(imsi, sid, ?, ?)) -> value ret { setverdict(fail, "Unexpected PROC_SS ERROR"); } [not exp_fail] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, ?, ?)) -> value ret { setverdict(pass); } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for PROC_SS response"); self.stop; } } return ret; } private function f_SS_expect(hexstring imsi, OCT4 sid, GSUP_SessionState state, template SS_FacilityInformation facility := *, template octetstring destination_name := omit) runs on HLR_ConnHdlr return GSUP_PDU { var GSUP_PDU ret; timer T := 3.0; var boolean exp_ss := true; if (istemplatekind(facility, "omit")) { exp_ss := false; } T.start; alt { [] GSUP.receive(tr_GSUP_PROC_SS_ERR(imsi, sid, ?, ?)) -> value ret { setverdict(fail, "Unexpected PROC_SS ERROR Cause"); mtc.stop; } [not exp_ss] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, state, omit, destination_name := destination_name)) -> value ret { setverdict(pass); } [exp_ss] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, state, omit)) -> value ret { setverdict(fail, "Unexpected PROC_SS.res without SS IE"); mtc.stop; } /* [exp_ss] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, state, decmatch facility, destination_name := destination_name)) -> value ret { setverdict(pass); } */ [exp_ss] GSUP.receive(tr_GSUP_PROC_SS_RES(imsi, sid, state, ?, destination_name := destination_name)) -> value ret { var GSUP_IeValue ss_ie; f_gsup_find_ie(ret, OSMO_GSUP_SS_INFO_IE, ss_ie); var SS_FacilityInformation dec_fac := dec_SS_FacilityInformation(ss_ie.ss_info); log("pattern: ", facility); if (match(dec_fac, facility)) { setverdict(pass); } else { setverdict(fail, "Unexpected PROC_SS.res with non-matching facility IE"); mtc.stop; } } [] GSUP.receive { setverdict(fail, "Unexpected GSUP"); mtc.stop; } [] T.timeout { setverdict(fail, "Timeout waiting for PROC_SS response"); self.stop; } } return ret; } function f_perform_CHECK_IMEI(hexstring imsi, hexstring imei, template (omit) integer exp_err_cause := omit, template (omit) GSUP_IMEIResult result := omit, template (omit) octetstring source_name := omit) runs on HLR_ConnHdlr { var GSUP_PDU pdu; timer T := 3.0; var boolean exp_fail := false; if (not istemplatekind(exp_err_cause, "omit")) { exp_fail := true; } GSUP.send(valueof(ts_GSUP_CHECK_IMEI_REQ(imsi, imei, source_name := source_name))); T.start; alt { [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, exp_err_cause, destination_name := source_name)) -> value pdu { setverdict(pass); } [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected CHECK IMEI ERROR Cause: ", pdu); mtc.stop; } [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected CHECK IMEI RES instead of ERR"); mtc.stop; } [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected CHECK IMEI ERROR"); mtc.stop; } [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, result, destination_name := source_name)) -> value pdu { setverdict(pass); } [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, ?, destination_name := source_name)) -> value pdu { setverdict(fail, "Unexpected CHECK IMEI RES"); mtc.stop; } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for CHECK IMEI response"); mtc.stop; } } } /*********************************************************************** * Testcases ***********************************************************************/ /* 23.003 Section 2.2 clearly states that an IMSI with less * than 5 digits is impossible. Even 5 digits is still questionable */ private function f_TC_gsup_sai_err_invalid_imsi() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_SAI(g_pars.sub.imsi, 96); /* Invalid Mandatory information */ setverdict(pass); } testcase TC_gsup_sai_err_invalid_imsi() runs on test_CT { var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars('0123'H)); f_init(false); vc_conn := f_start_handler(refers(f_TC_gsup_sai_err_invalid_imsi), pars); vc_conn.done; } private function f_TC_gsup_sai_err_unknown_imsi() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_SAI(g_pars.sub.imsi, 2); setverdict(pass); } testcase TC_gsup_sai_err_unknown_imsi() runs on test_CT { var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(f_rnd_imsi('26242'H))); f_init(false); vc_conn := f_start_handler(refers(f_TC_gsup_sai_err_unknown_imsi), pars); vc_conn.done; } function f_start_handler_per_sub(void_fn fn, HlrSubscriberList sl, boolean via_proxy := false) runs on test_CT { for (var integer i := 0; i < sizeof(sl); i := i+1) { var HlrSubscriber sub := sl[i]; var HLR_ConnHdlrPars pars; if (via_proxy) { pars := valueof(t_Pars_sub_via_proxy(sub)); } else { pars := valueof(t_Pars_sub(sub)); } var HLR_ConnHdlr vc_conn; f_vty_subscr_create(VTY, sub); vc_conn := f_start_handler(fn, pars); vc_conn.done; f_vty_subscr_delete(VTY, sub); } } /* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */ private function f_TC_gsup_sai() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_SAI(g_pars.sub.imsi); if (ispresent(g_pars.sub.aud3g)) { f_ensure_amf_separation_bit(res, '0'B); } f_count_auth_tuples(res, mp_default_num_auth_tuples); setverdict(pass); } testcase TC_gsup_sai() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDU res; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_sai), sl); setverdict(pass); } /* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */ private function f_TC_gsup_sai_num_auth_vectors() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 1); f_count_auth_tuples(res, 1); res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 4); f_count_auth_tuples(res, 4); res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 5); f_count_auth_tuples(res, 5); res := f_perform_SAI(g_pars.sub.imsi, num_auth_tuple := 254); f_count_auth_tuples(res, 5); setverdict(pass); } testcase TC_gsup_sai_num_auth_vectors() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDU res; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_sai_num_auth_vectors), sl); setverdict(pass); } private function f_ensure_amf_separation_bit(GSUP_PDU res, BIT1 sep_bit) { for (var integer i := 0; i < lengthof(res.ies); i := i+1) { var GSUP_IE tuple := res.ies[i]; if (tuple.tag != OSMO_GSUP_AUTH_TUPLE_IE) { continue; } var GSUP_IeValue autn; if (f_gsup_find_nested_ie(tuple.val.auth_tuple, OSMO_GSUP_AUTN_IE, autn) == false) { setverdict(fail, "Couldn't find AUTN IE in tuple ", i); mtc.stop; } var bitstring amf := oct2bit(substr(autn.autn, 6, 2)); if (amf[0] != sep_bit) { setverdict(fail, "AMF bit 0 (separation bit) must be ", sep_bit," but was not"); mtc.stop; } } } private function f_count_auth_tuples(GSUP_PDU res, template (omit) integer expected_auth_tuples := omit) { var integer auth_tuples := 0; for (var integer i := 0; i < lengthof(res.ies); i := i+1) { var GSUP_IE tuple := res.ies[i]; if (tuple.tag == OSMO_GSUP_AUTH_TUPLE_IE) { auth_tuples := auth_tuples + 1; } } if ((not istemplatekind(expected_auth_tuples, "omit")) and not match(auth_tuples, valueof(expected_auth_tuples))) { setverdict(fail, "Did not received expected number of auth tuples. Expected ", mp_default_num_auth_tuples, " but received ", auth_tuples); } } /* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */ private function f_TC_gsup_sai_eps() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_SAI(g_pars.sub.imsi, is_eps := true); f_ensure_amf_separation_bit(res, '1'B); /* TODO: match if tuple[s] matches expectation */ setverdict(pass); } testcase TC_gsup_sai_eps() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDU res; f_init(false); sl := f_gen_3G_subs(); f_start_handler_per_sub(refers(f_TC_gsup_sai_eps), sl); setverdict(pass); } /* test UL for unknown IMSI */ private function f_TC_ul_unknown_imsi() runs on HLR_ConnHdlr { f_perform_UL(g_pars.sub.imsi, ?, 2, source_name := g_pars.source_name); setverdict(pass); } testcase TC_gsup_ul_unknown_imsi() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_ul_unknown_imsi), pars); vc_conn.done; } testcase TC_gsup_ul_unknown_imsi_via_proxy() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars_via_proxy(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_ul_unknown_imsi), pars); vc_conn.done; } /* Test if the HLR can be configured to a different error code if the subscriber can't be found. * E.g. on event networks the HLR should return Roaming Not Allowed to unknown subscribers instead * of Subscriber Unknown in HLR. */ private function f_TC_ul_unknown_imsi_roaming_not_allowed() runs on HLR_ConnHdlr { f_vty_config(VTY, "hlr", "reject-cause not-found roaming-not-allowed"); f_perform_UL(g_pars.sub.imsi, ?, 13, source_name := g_pars.source_name); setverdict(pass); } testcase TC_gsup_ul_unknown_imsi_roaming_not_allowed() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_ul_unknown_imsi_roaming_not_allowed), pars); vc_conn.done; } /* test UL for a number of different subscriber cases (algo, 2g/3g, ...) */ private function f_TC_gsup_ul() runs on HLR_ConnHdlr { var GSUP_PDUs res; res := f_perform_UL(g_pars.sub.imsi, g_pars.sub.msisdn, source_name := g_pars.source_name); setverdict(pass); } testcase TC_gsup_ul() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDUs res; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_ul), sl); setverdict(pass); } testcase TC_gsup_ul_via_proxy() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDU res; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_ul), sl, via_proxy := true); setverdict(pass); } private function f_TC_gsup_ul_subscriber_data() runs on HLR_ConnHdlr { var GSUP_PDUs pdus; var GSUP_PDU isd; log("GSUP ul subscriber_data", isd); pdus := f_perform_UL(g_pars.sub.imsi, g_pars.sub.msisdn, source_name := g_pars.source_name); isd := pdus[1]; template GSUP_IEs tr_pdp_info_internet := { tr_GSUP_IE_PDP_CONTEXT_ID('01'O), tr_GSUP_IE_APN(str2apn("internet")) } template GSUP_IEs tr_pdp_info_wildcard := { tr_GSUP_IE_PDP_CONTEXT_ID('02'O), tr_GSUP_IE_APN(str2apn("*")) } /* Search for PDP info 'internet', '*' */ var boolean found := false; var GSUP_IeValue ievalue; var GSUP_IEs pdp_info; found := f_gsup_find_nested_ie_multiple(isd.ies, OSMO_GSUP_PDP_INFO_IE, 0, ievalue); if (not found) { setverdict(fail, "Multiple APNs: Coulnd't find first PDP Info IE in: ", isd); return; } pdp_info := ievalue.pdp_info; if (not match(pdp_info, tr_pdp_info_internet)) { setverdict(fail, "Multiple APNs: first PDP Info doesn't match: ", pdp_info, "on Template: ", tr_pdp_info_internet); return; } /* wildcard '*' */ found := f_gsup_find_nested_ie_multiple(isd.ies, OSMO_GSUP_PDP_INFO_IE, 1, ievalue); if (not found) { setverdict(fail, "Multiple APNs: Coulnd't find second PDP Info IE in: ", isd); return; } pdp_info := ievalue.pdp_info; if (not match(pdp_info, tr_pdp_info_wildcard)) { setverdict(fail, "Multiple APNs: second PDP Info doesn't match: ", pdp_info, "on Template: ", tr_pdp_info_wildcard); return; } setverdict(pass); } testcase TC_gsup_ul_subscriber_data() runs on test_CT { /* Do a GSUP Update Location Request to get a Insert Subscriber Data Request (ISD). * Check for multiple APN in the ISD: * SGSN -> HLR: Update Location Request * SGSN <- HLR: Insert Subscriber Data Request (Check the TLV) * SGSN -> HLR: Insert Subscriber Data Result * SGSN <- HLR: Update Location Result */ var HlrSubscriberList sl; f_init(false); f_vty_config2(VTY, {"hlr", "ps"} , "no pdp-profiles default"); f_vty_config2(VTY, {"hlr", "ps", "pdp-profiles default", "profile 1"}, "apn internet"); f_vty_config2(VTY, {"hlr", "ps", "pdp-profiles default", "profile 2"}, "apn *"); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_ul_subscriber_data), sl); setverdict(pass); } /* Test only the VTY commands */ testcase TC_vty() runs on test_CT { var HlrSubscriber sub; f_init(); /* we're not using f_gen_subs() here as the expect pattern for the 'show' are different * from case to case */ sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1")); f_vty_subscr_create(VTY, sub); f_vty_subscr_show(VTY, sub, pattern "*IMSI: *2G auth: COMP128v1*"); f_vty_subscr_delete(VTY, sub); sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", false)); f_vty_subscr_create(VTY, sub); f_vty_subscr_show(VTY, sub, pattern "*IMSI: *3G auth: MILENAGE*"); f_vty_subscr_delete(VTY, sub); sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1", "milenage", false)); f_vty_subscr_create(VTY, sub); f_vty_subscr_show(VTY, sub, pattern "*IMSI: *2G auth: COMP128v1*3G auth: MILENAGE*"); f_vty_subscr_delete(VTY, sub); setverdict(pass); } /* VTY changes to MSISDN should result in ISD to current VLR */ private function f_TC_vty_msisdn_isd() runs on HLR_ConnHdlr { var hexstring new_msisdn; var GSUP_PDUs res; timer T := 5.0; /* Create Subscriber */ f_vty_subscr_create(VTY, g_pars.sub); /* Perform UpdateLocation (VLR now known to HLR) */ res := f_perform_UL(g_pars.sub.imsi, g_pars.sub.msisdn); /* Then change IMSI via VTY */ new_msisdn := '49161'H & f_rnd_hexstring(7, 9); f_vty_subscr_update_msisdn(VTY, g_pars.sub, new_msisdn); /* And expect InsertSubscriberData as result */ T.start; alt { [] GSUP.receive(tr_GSUP_ISD_REQ(g_pars.sub.imsi, new_msisdn)) { GSUP.send(ts_GSUP_ISD_RES(g_pars.sub.imsi)); g_pars.sub.msisdn := new_msisdn; setverdict(pass); } [] GSUP.receive(tr_GSUP_ISD_REQ(g_pars.sub.imsi, g_pars.sub.msisdn)) { log("received ISD req with old MSISDN"); setverdict(fail); } [] GSUP.receive { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for ISD.req"); } } } testcase TC_vty_msisdn_isd() runs on test_CT { var HlrSubscriber sub; var HLR_ConnHdlr vc_conn; f_init(false); /* Create Subscriber */ sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1")); vc_conn := f_start_handler(refers(f_TC_vty_msisdn_isd), valueof(t_Pars_sub(sub))); vc_conn.done; } /* Test PURGE MS for CS services */ private function f_TC_gsup_purge_cs() runs on HLR_ConnHdlr { var GSUP_PDUs res; var GSUP_PDU pdu; res := f_perform_UL(g_pars.sub.imsi, g_pars.sub.msisdn); pdu := f_perform_PURGE(g_pars.sub.imsi, OSMO_GSUP_CN_DOMAIN_CS); } testcase TC_gsup_purge_cs() runs on test_CT { var HlrSubscriberList sl; var GSUP_PDU res; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_purge_cs), sl); setverdict(pass); } /* Test PURGE MS for PS services */ private function f_TC_gsup_purge_ps() runs on HLR_ConnHdlr { var GSUP_PDUs res; var GSUP_PDU pdu; res := f_perform_UL(g_pars.sub.imsi, g_pars.sub.msisdn); pdu := f_perform_PURGE(g_pars.sub.imsi, OSMO_GSUP_CN_DOMAIN_PS); } testcase TC_gsup_purge_ps() runs on test_CT { var HlrSubscriberList sl; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_purge_ps), sl); setverdict(pass); } /* Test PURGEG MS procedure for unknown IMSI */ private function f_TC_gsup_purge_unknown() runs on HLR_ConnHdlr { var GSUP_PDU res; res := f_perform_PURGE(g_pars.sub.imsi, OSMO_GSUP_CN_DOMAIN_CS, 2); } testcase TC_gsup_purge_unknown() runs on test_CT { var hexstring imsi := '2345743413463'H; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_ul_unknown_imsi), pars); vc_conn.done; setverdict(pass); } import from HLR_EUSE all; /* Test for USSD request to undefined/unrouted short-code. Expect ss-NotAvailable(18) */ private function f_TC_mo_ussd_unknown() runs on HLR_ConnHdlr { var GSUP_PDU res; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*#200#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss))); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_FACILITY_RETURN_ERROR(1, 18)); } testcase TC_mo_ussd_unknown() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_unknown), pars); vc_conn.done; } } /* Test for USSD request to currently disconnected EUSE. Expect ss-SystemFailure(34) */ private function f_TC_mo_ussd_euse_disc() runs on HLR_ConnHdlr { var GSUP_PDU res; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*100#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss))); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_FACILITY_RETURN_ERROR(1, 34)); } testcase TC_mo_ussd_euse_disc() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_euse_disc), pars); vc_conn.done; } } /* Test for USSD request to internal own-imsi IUSE. */ private function f_TC_mo_ussd_iuse_imsi() runs on HLR_ConnHdlr { var GSUP_PDU res; var charstring resp_str; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*#101#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss, source_name := g_pars.source_name))); resp_str := "Your IMSI is " & hex2str(g_pars.sub.imsi); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit(resp_str)), destination_name := g_pars.source_name); } testcase TC_mo_ussd_iuse_imsi() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_iuse_imsi), pars); vc_conn.done; } } testcase TC_mo_ussd_iuse_imsi_via_proxy() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub_via_proxy(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_iuse_imsi), pars); vc_conn.done; } } /* Test for USSD request to internal own-msisdn IUSE. */ private function f_TC_mo_ussd_iuse_msisdn() runs on HLR_ConnHdlr { var GSUP_PDU res; var charstring resp_str; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*#100#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss, source_name := g_pars.source_name))); resp_str := "Your extension is " & hex2str(g_pars.sub.msisdn); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit(resp_str)), destination_name := g_pars.source_name); } testcase TC_mo_ussd_iuse_msisdn() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_iuse_msisdn), pars); vc_conn.done; } } testcase TC_mo_ussd_iuse_msisdn_via_proxy() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub_via_proxy(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_iuse_msisdn), pars); vc_conn.done; } } /* Test routing of USSD to EUSE by a specific route */ private function f_TC_mo_ussd_100() runs on HLR_ConnHdlr { var GSUP_PDU res; /* invoke / invoke id 1 / processUSS-req */ //var octetstring ss := 'a11202010102013b300a04010f0405aa180c3602'O; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*100#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss))); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit("*100#"))); } testcase TC_mo_ussd_euse() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; var HLR_EUSE_CT vc_EUSE := HLR_EUSE_CT.create("EUSE-" & testcasename()); vc_EUSE.start(HLR_EUSE.f_main_mo(mp_hlr_ip, mp_hlr_gsup_port, "foobar", refers(f_ss_echo))); f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_100), pars); vc_conn.done; } vc_EUSE.stop; } /* Test routing of USSD to EUSE by a specific route, with CONTINUE */ private function f_TC_mo_ussd_100_continue() runs on HLR_ConnHdlr { var GSUP_PDU res; /* Simulate BEGIN from MS/MSC */ var octetstring ss := f_USSD_FACILITY_IE_INVOKE(op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*100#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss))); /* expect echo response from EUSE */ res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_CONTINUE, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit("*100#"))); /* Simulate CONTINUE from MS/MSC */ ss := f_USSD_FACILITY_IE_INVOKE(op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "mahlzeit"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_CONTINUE, ss))); /* expect echo response from EUSE */ res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit("mahlzeit"))); } testcase TC_mo_ussd_euse_continue() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; var HLR_EUSE_CT vc_EUSE := HLR_EUSE_CT.create("EUSE-" & testcasename()); vc_EUSE.start(HLR_EUSE.f_main_mo(mp_hlr_ip, mp_hlr_gsup_port, "foobar", refers(f_ss_echo_continue))); f_init(false); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_100_continue), pars); vc_conn.done; } vc_EUSE.stop; } /* Test routing of USSD to EUSE by default-route */ private function f_TC_mo_ussd_999() runs on HLR_ConnHdlr { var GSUP_PDU res; var octetstring ss := f_USSD_FACILITY_IE_INVOKE( op_code := SS_OP_CODE_PROCESS_USS_REQ, ussd_string := "*999#"); GSUP.send(valueof(ts_GSUP_PROC_SS_REQ(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, ss))); res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_USSD_FACILITY_RETURN_RESULT(1, 59, SS_USSD_DEFAULT_DCS, f_encGSM7bit("*999#"))); } testcase TC_mo_ussd_euse_defaultroute() runs on test_CT { var HlrSubscriberList sl; var HLR_ConnHdlr vc_conn; var HLR_EUSE_CT vc_EUSE := HLR_EUSE_CT.create("EUSE-" & testcasename()); vc_EUSE.start(HLR_EUSE.f_main_mo(mp_hlr_ip, mp_hlr_gsup_port, "foobar", refers(f_ss_echo))); f_init(false); f_vty_config(VTY, "hlr", "ussd default-route external foobar"); sl := f_gen_subs(); for (var integer i := 0; i < sizeof(sl); i := i+1) { var HLR_ConnHdlrPars pars := valueof(t_Pars_sub(sl[i])); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, pars.sub); vc_conn := f_start_handler(refers(f_TC_mo_ussd_999), pars); vc_conn.done; } f_vty_config(VTY, "hlr", "no ussd default-route"); vc_EUSE.stop; } /** * Test "Structured" Supplementary Services * * NOTE: at the moment, OsmoHLR doesn't support "structured" SS, * so such requests are being rejected (actually ReturnError * with GSM0480_ERR_CODE_FACILITY_NOT_SUPPORTED). */ private function f_TC_mo_sss_reject() runs on HLR_ConnHdlr { var SS_FacilityInformation ss_req; var GSUP_PDU res; /* Prepare '*#21#' SS request */ ss_req := valueof(ts_SS_FACILITY_INVOKE( invoke_id := 0, op_code := SS_OP_CODE_INTERROGATE_SS, ss_code := '21'O)); /* Send it towards HLR */ GSUP.send(valueof(ts_GSUP_PROC_SS_REQ( g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_BEGIN, enc_SS_FacilityInformation(ss_req)))); /* Expect ReturnError with FACILITY_NOT_SUPPORTED */ res := f_SS_expect(g_pars.sub.imsi, g_pars.ussd.sid, OSMO_GSUP_SESSION_STATE_END, tr_SS_FACILITY_RETURN_ERROR(0, 21)); } testcase TC_mo_sss_reject() runs on test_CT { var HLR_ConnHdlrPars pars; var HLR_ConnHdlr vc_conn; var HlrSubscriber sub; f_init(false); /* Create a random subscriber */ sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1")); pars := valueof(t_Pars_sub(sub)); pars.ussd.sid := f_rnd_octstring(4); f_vty_subscr_create(VTY, sub); vc_conn := f_start_handler(refers(f_TC_mo_sss_reject), pars); vc_conn.done; f_vty_subscr_delete(VTY, sub); } /* TODO USSD: * MO USSD for IMSI of non-existant subscriber * MT USSD from EUSE * timeout cases */ /* Test Check IMEI */ private function f_TC_gsup_check_imei() runs on HLR_ConnHdlr { /* store-imei disabled */ f_vty_config(VTY, "hlr", "no store-imei"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK, source_name := g_pars.source_name); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*IMEI: *12345678901234*"); /* store-imei enabled */ f_vty_config(VTY, "hlr", "store-imei"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK, source_name := g_pars.source_name); f_vty_subscr_show(VTY, g_pars.sub, pattern "*IMEI: *12345678901234*"); } testcase TC_gsup_check_imei() runs on test_CT { var HlrSubscriberList sl; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_check_imei), sl); setverdict(pass); } testcase TC_gsup_check_imei_via_proxy() runs on test_CT { var HlrSubscriberList sl; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_check_imei), sl, via_proxy := true); setverdict(pass); } /* Test Check IMEI with invalid IMEI length */ private function f_TC_gsup_check_imei_invalid_len() runs on HLR_ConnHdlr { /* IMEI too long */ f_perform_CHECK_IMEI(g_pars.sub.imsi, '111456789012345F'H, 96 /* Invalid Mandatory Information */); f_perform_CHECK_IMEI(g_pars.sub.imsi, '2224567890123456'H, 96 /* Invalid Mandatory Information */); /* IMEI too short */ f_perform_CHECK_IMEI(g_pars.sub.imsi, '3334567890123F'H, 96 /* Invalid Mandatory Information */); f_perform_CHECK_IMEI(g_pars.sub.imsi, '444456789012'H, 96 /* Invalid Mandatory Information */); f_perform_CHECK_IMEI(g_pars.sub.imsi, ''H, 96 /* Invalid Mandatory Information */); } testcase TC_gsup_check_imei_invalid_len() runs on test_CT { var HlrSubscriberList sl; f_init(false); sl := f_gen_subs(); f_start_handler_per_sub(refers(f_TC_gsup_check_imei_invalid_len), sl); setverdict(pass); } /* Test Check IMEI with unknown IMSI */ private function f_TC_gsup_check_imei_unknown_imsi() runs on HLR_ConnHdlr { f_vty_config(VTY, "hlr", "no store-imei"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '22245678901234'H, 96 /* Invalid Mandatory Information */); /* Check again with store-imei set (different code path) */ f_vty_config(VTY, "hlr", "store-imei"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '22245678901234'H, 96 /* Invalid Mandatory Information */); setverdict(pass); } testcase TC_gsup_check_imei_unknown_imsi() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_gsup_check_imei_unknown_imsi), pars); vc_conn.done; } /* Test create-subscriber-on-demand during Check IMEI (OsmoMSC would be set to "check-imei-rqd early") */ private function f_TC_subscr_create_on_demand_check_imei_early() runs on HLR_ConnHdlr { var GSUP_PDUs res; /* save various return values to prevent ttcn3 compiler warnings */ var charstring imsi_pattern := "*IMSI: " & hex2str(g_pars.sub.imsi) & "*"; /* Random MSISDN and CS+PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 cs+ps"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d*"); /* last line, hence not matching "\d\d\d\n" */ f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*[CP]S disabled*"); res := f_perform_UL(g_pars.sub.imsi, ?); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 ps"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*PS disabled*"); res := f_perform_UL(g_pars.sub.imsi, ?); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and CS NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 cs"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*PS disabled*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*CS disabled*"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and no NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 none"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*PS disabled*"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_delete(VTY, g_pars.sub); /* No MSISDN and no NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand no-msisdn none"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: none*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*PS disabled*"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_delete(VTY, g_pars.sub); /* No MSISDN and CS+PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand no-msisdn cs+ps"); f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := OSMO_GSUP_IMEI_RESULT_ACK); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: none*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*[CP]S disabled*"); res := f_perform_UL(g_pars.sub.imsi, omit); f_vty_subscr_delete(VTY, g_pars.sub); setverdict(pass); } testcase TC_subscr_create_on_demand_check_imei_early() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_subscr_create_on_demand_check_imei_early), pars); vc_conn.done; } /* Test create-subscriber-on-demand during LU (Location Update) */ private function f_TC_subscr_create_on_demand_ul() runs on HLR_ConnHdlr { var GSUP_PDUs res; var charstring imsi_pattern := "*IMSI: " & hex2str(g_pars.sub.imsi) & "*"; /* Random MSISDN and CS+PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 cs+ps"); res := f_perform_UL(g_pars.sub.imsi, ?); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d\n*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*[CP]S disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 ps"); res := f_perform_UL(g_pars.sub.imsi, ?); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d\n*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*PS disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and CS NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 cs"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d\n*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*PS disabled*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*CS disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); /* Random MSISDN and no NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 none"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d\n*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*PS disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); /* No MSISDN and no NAM (LU must fail) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand no-msisdn none"); res := f_perform_UL(g_pars.sub.imsi, ?, 7 /* GPRS services not allowed */); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: none*"); f_vty_subscr_show(VTY, g_pars.sub, pattern "*CS disabled*PS disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); /* No MSISDN and CS+PS NAM (LU must pass) */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand no-msisdn cs+ps"); res := f_perform_UL(g_pars.sub.imsi, omit); f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: none*"); f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*[CP]S disabled*"); f_vty_subscr_delete(VTY, g_pars.sub); setverdict(pass); } testcase TC_subscr_create_on_demand_ul() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_subscr_create_on_demand_ul), pars); vc_conn.done; } /* Test create-subscriber-on-demand during SAI (SendAuthInfo) */ private function f_TC_subscr_create_on_demand_sai() runs on HLR_ConnHdlr { var GSUP_PDUs res; var GSUP_PDU pdu; var charstring imsi_pattern := "*IMSI: " & hex2str(g_pars.sub.imsi) & "*"; /* HLR creates the subscriber on demand. Then the IMSI is known, but there is no auth data, so the HLR returns * the "slightly inaccurate cause 'IMSI Unknown' via GSUP". The MS is able to do a LU afterwards. */ f_vty_config(VTY, "hlr", "subscriber-create-on-demand 3 cs+ps"); pdu := f_perform_SAI(g_pars.sub.imsi, 2 /* IMSI Unknown */ ); /* Verify that it was created before the LU */ f_vty_subscr_show(VTY, g_pars.sub, pattern imsi_pattern); f_vty_subscr_show(VTY, g_pars.sub, pattern "*MSISDN: \d\d\d*"); /* last line, hence not matching "\d\d\d\n" */ f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*[CP]S disabled*"); /* Location update */ res := f_perform_UL(g_pars.sub.imsi, ?); f_vty_subscr_delete(VTY, g_pars.sub); setverdict(pass); } testcase TC_subscr_create_on_demand_sai() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); var HLR_ConnHdlr vc_conn; f_init(false); vc_conn := f_start_handler(refers(f_TC_subscr_create_on_demand_sai), pars); vc_conn.done; } /* Send an mslookup mDNS request to the home HLR, asking about a service that is not "gsup.hlr". (Hence the "_other" in * the test name, service "gsup.hlr" has different code paths, see related tests). */ private function f_TC_MSLookup_mDNS_service_other_home() runs on HLR_ConnHdlr { timer T; var MSLookup_mDNS vl_rmsg; var integer id := f_rnd_int(65535); /* mDNS packet ID */ var hexstring msisdn := '49161'H & f_rnd_hexstring(7, 9); var charstring domain := "sip.voice." & hex2str(msisdn) & ".msisdn.mdns.osmocom.org"; /* Create subscriber */ g_pars.sub.msisdn := msisdn; f_vty_subscr_create(VTY, g_pars.sub); /* Send mDNS query, expect timeout */ mDNS.send(ts_MSLookup_mDNS_query(id, domain)); T.start(1.0); alt { [] mDNS.receive(tr_MSLookup_mDNS_result_IPv4(id, domain, '42424242'O, 5060)) { setverdict(fail, "OsmoHLR answered to mDNS query before subscriber did LU"); } [] mDNS.receive(MSLookup_mDNS:?) -> value vl_rmsg { repeat; } [] T.timeout { } } /* Location update */ f_perform_UL(g_pars.sub.imsi, msisdn, dom := OSMO_GSUP_CN_DOMAIN_CS); /* Send mDNS query again, expect result */ mDNS.send(ts_MSLookup_mDNS_query(id, domain)); T.start(1.0); alt { [] mDNS.receive(tr_MSLookup_mDNS_result_IPv4(id, domain, '42424242'O, 5060)) { setverdict(pass); } [] mDNS.receive(MSLookup_mDNS:?) -> value vl_rmsg { repeat; } [] T.timeout { setverdict(fail, "OsmoHLR did not answer to mDNS query"); } } f_vty_subscr_delete(VTY, g_pars.sub); } testcase TC_MSLookup_mDNS_service_other_home() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); f_init(false); f_vty_config(VTY, "mslookup", "mdns bind"); f_vty_config2(VTY, {"mslookup", "server"}, "service sip.voice at 66.66.66.66 5060"); vc_conn := f_start_handler(refers(f_TC_MSLookup_mDNS_service_other_home), pars); vc_conn.done; } /* Let OsmoHLR act as proxy between MSC and another HLR during UL */ private function f_TC_MSLookup_GSUP_proxy() runs on HLR_ConnHdlr { f_perform_UL_proxy(g_pars.sub.imsi, g_pars.sub.msisdn, OSMO_GSUP_CN_DOMAIN_CS); setverdict(pass); } testcase TC_MSLookup_GSUP_proxy() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var hexstring msisdn := '49161'H & f_rnd_hexstring(7, 9); var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi, msisdn)); f_init(false, true); f_vty_config(VTY, "mslookup", "mdns bind"); vc_conn := f_start_handler(refers(f_TC_MSLookup_GSUP_proxy), pars, true); timer T := 3.0; T.start; alt { [] vc_conn.done {} [] T.timeout { setverdict(fail, "Timeout"); mtc.stop; }; } } /* Request "gsup.hlr" service right after creating subscriber from the home HLR. "TC_MSLookup_mDNS_service_other_home" * is similar, but does not query the "gsup.hlr" service. The "gsup.hlr" service has a different code path in OsmoHLR: * - it exists without being explicitly configured and returns the IP and port of the HLR's own GSUP server * - the request is answered, even if the subscriber is not attached to the HLR (for Location Update via proxy) */ private function f_TC_MSLookup_mDNS_service_GSUP_HLR_home() runs on HLR_ConnHdlr { timer T; var MSLookup_mDNS vl_rmsg; var integer id := f_rnd_int(65535); /* mDNS packet ID */ var charstring domain := "gsup.hlr." & hex2str(g_pars.sub.imsi) & ".imsi.mdns.osmocom.org"; /* Create subscriber */ g_pars.sub.msisdn := '133713381339'H; f_vty_subscr_create(VTY, g_pars.sub); /* Send mDNS query, expect result */ mDNS.send(ts_MSLookup_mDNS_query(id, domain)); T.start(1.0); alt { [] mDNS.receive(tr_MSLookup_mDNS_result_IPv4(id, domain, f_enc_IPv4(mp_hlr_ip), mp_hlr_gsup_port)) { setverdict(pass); } [] mDNS.receive(MSLookup_mDNS:?) -> value vl_rmsg { repeat; } [] T.timeout { setverdict(fail, "OsmoHLR did not answer to mDNS query"); } } f_vty_subscr_delete(VTY, g_pars.sub); } testcase TC_MSLookup_mDNS_service_GSUP_HLR_home() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi)); f_init(false); f_vty_config(VTY, "mslookup", "mdns bind"); vc_conn := f_start_handler(refers(f_TC_MSLookup_mDNS_service_GSUP_HLR_home), pars); vc_conn.done; } /* Ask proxy HLR about gsup.hlr service, and expect no answer. */ private function f_TC_MSLookup_mDNS_service_GSUP_HLR_proxy() runs on HLR_ConnHdlr { timer T; var integer id := f_rnd_int(65535); /* mDNS packet ID */ var charstring domain := "gsup.hlr." & hex2str(g_pars.sub.imsi) & ".imsi.mdns.osmocom.org"; f_perform_UL_proxy(g_pars.sub.imsi, g_pars.sub.msisdn, OSMO_GSUP_CN_DOMAIN_CS); /* Send mDNS query, expect timeout */ mDNS.send(ts_MSLookup_mDNS_query(id, domain)); T.start(1.0); alt { [] mDNS.receive(tr_MSLookup_mDNS_result_IPv4(id, domain, f_enc_IPv4(mp_hlr_ip), mp_hlr_gsup_port)) { setverdict(fail, "mslookup result received from proxy HLR for gsup.hlr service"); } [] mDNS.receive(MSLookup_mDNS:?) { repeat; } [] T.timeout { setverdict(pass); } } } testcase TC_MSLookup_mDNS_service_GSUP_HLR_proxy() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var hexstring msisdn := '49161'H & f_rnd_hexstring(7, 9); var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi, msisdn)); f_init(false, true); f_vty_config(VTY, "mslookup", "mdns bind"); vc_conn := f_start_handler(refers(f_TC_MSLookup_mDNS_service_GSUP_HLR_proxy), pars, true); timer T := 3.0; T.start; alt { [] vc_conn.done {} [] T.timeout { setverdict(fail, "Timeout"); mtc.stop; }; } } /* Ask proxy HLR about configured sip.voice service, and expect result. */ private function f_TC_MSLookup_mDNS_service_other_proxy() runs on HLR_ConnHdlr { timer T; var integer id := f_rnd_int(65535); /* mDNS packet ID */ var charstring domain := "sip.voice." & hex2str(g_pars.sub.msisdn) & ".msisdn.mdns.osmocom.org"; f_perform_UL_proxy(g_pars.sub.imsi, g_pars.sub.msisdn, OSMO_GSUP_CN_DOMAIN_CS); /* Send mDNS query, expect result */ mDNS.send(ts_MSLookup_mDNS_query(id, domain)); T.start(1.0); alt { [] mDNS.receive(tr_MSLookup_mDNS_result_IPv4(id, domain, f_enc_IPv4("66.66.66.66"), 5060)) { setverdict(pass); } [] mDNS.receive(MSLookup_mDNS:?) { repeat; } [] T.timeout { setverdict(fail, "Timeout"); } } } testcase TC_MSLookup_mDNS_service_other_proxy() runs on test_CT { var hexstring imsi := f_rnd_imsi('26242'H); var hexstring msisdn := '49161'H & f_rnd_hexstring(7, 9); var HLR_ConnHdlr vc_conn; var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi, msisdn)); f_init(false, true); f_vty_config(VTY, "mslookup", "mdns bind"); f_vty_config2(VTY, {"mslookup", "server"}, "service sip.voice at 66.66.66.66 5060"); vc_conn := f_start_handler(refers(f_TC_MSLookup_mDNS_service_other_proxy), pars, true); timer T := 3.0; T.start; alt { [] vc_conn.done {} [] T.timeout { setverdict(fail, "Timeout"); mtc.stop; }; } } /* strchr similar to C's/posix strchr but returns the position of the first matching. * if the char c isn't found it returns -1. */ function strchr(in charstring s, in charstring c) return integer { for (var integer i := 0; i < lengthof(s); i := i+1) { if (s[i] == c) { return i; } } return -1; } /* str2apn returns octetstring * internet -> '08'O & char2oct("internet") * internet.foo -> '08'O & char2oct("internet") & '03'O & char2oct("foo") * internet.-> '08'O & char2oct("internet") */ function str2apn(in charstring apn) return octetstring { var octetstring result := ''O; var charstring remain := apn; var integer pos := strchr(remain, "."); while (pos != -1) { /* ends on a dot. e.g. "internet.", we must ignore the ending dot and this is then the last element */ if (pos == 0) { /* it's not allowed to start with a dot. */ return ''O; } if (pos + 1 == lengthof(remain)) { /* remove the dot */ remain := substr(remain, 0, pos) break; } result := result & int2oct(pos, 1) & char2oct(substr(remain, 0, pos)); remain := substr(remain, pos + 1, lengthof(remain) - pos - 1); pos := strchr(remain, "."); } /* last element */ var integer len := lengthof(remain); result := result & int2oct(len, 1) & char2oct(remain); return result; } private function test_assert(boolean term) { if (term == false) { setverdict(fail, "Values mismatch"); } } private function test_str2apn() { test_assert(str2apn("internet") == '08'O & char2oct("internet")); test_assert(str2apn("internet.") == '08'O & char2oct("internet")); test_assert(str2apn("internet.foo") == '08'O & char2oct("internet") & '03'O & char2oct("foo")); test_assert(str2apn(".internet.foo") == ''O); } /* TODO: * UL with ISD error * UL with ISD timeout * LOCATION CANCEL * AUTH FAIL REP * DELETE DATA after hlr_subscr_nam() change * correctness ** wrong message type ** wrong length of PDU ** too short message ** missing IMSI IE */ control { execute( TC_gsup_sai_err_invalid_imsi() ); execute( TC_gsup_sai() ); execute( TC_gsup_sai_num_auth_vectors() ); execute( TC_gsup_sai_eps() ); execute( TC_gsup_ul_unknown_imsi() ); execute( TC_gsup_ul_unknown_imsi_via_proxy() ); execute( TC_gsup_ul_unknown_imsi_roaming_not_allowed() ); execute( TC_gsup_sai_err_unknown_imsi() ); execute( TC_gsup_ul() ); execute( TC_gsup_ul_via_proxy() ); execute( TC_gsup_ul_subscriber_data() ); execute( TC_vty() ); execute( TC_vty_msisdn_isd() ); execute( TC_gsup_purge_cs() ); execute( TC_gsup_purge_ps() ); execute( TC_gsup_purge_unknown() ); execute( TC_mo_ussd_unknown() ); execute( TC_mo_ussd_euse_disc() ); execute( TC_mo_ussd_iuse_imsi() ); execute( TC_mo_ussd_iuse_imsi_via_proxy() ); execute( TC_mo_ussd_iuse_msisdn() ); execute( TC_mo_ussd_iuse_msisdn_via_proxy() ); execute( TC_mo_ussd_euse() ); execute( TC_mo_ussd_euse_continue() ); execute( TC_mo_ussd_euse_defaultroute() ); /* "Structured" Supplementary Services */ execute( TC_mo_sss_reject() ); execute( TC_gsup_check_imei() ); execute( TC_gsup_check_imei_via_proxy() ); execute( TC_gsup_check_imei_invalid_len() ); execute( TC_gsup_check_imei_unknown_imsi() ); execute( TC_subscr_create_on_demand_check_imei_early() ); execute( TC_subscr_create_on_demand_ul() ); execute( TC_subscr_create_on_demand_sai() ); execute( TC_MSLookup_mDNS_service_other_home() ); execute( TC_MSLookup_GSUP_proxy() ); execute( TC_MSLookup_mDNS_service_GSUP_HLR_home() ); execute( TC_MSLookup_mDNS_service_GSUP_HLR_proxy() ); execute( TC_MSLookup_mDNS_service_other_proxy() ); }; };