| module PGW_Tests { |
| |
| import from TCCEncoding_Functions all; |
| |
| import from General_Types all; |
| import from Osmocom_Types all; |
| import from Native_Functions all; |
| import from Misc_Helpers all; |
| |
| import from GTPv2_Types all; |
| import from GTPv2_Templates all; |
| import from GTPv2_Emulation all; |
| |
| import from UECUPS_Types all; |
| |
| import from DNS_Helpers all; |
| |
| |
| import from DIAMETER_Types all; |
| import from DIAMETER_Templates all; |
| import from DIAMETER_ts29_212_Templates all; |
| import from DIAMETER_ts29_272_Templates all; |
| import from DIAMETER_ts29_273_Templates all; |
| import from DIAMETER_ts32_299_Templates all; |
| import from DIAMETER_Emulation all; |
| |
| |
| modulepar { |
| charstring mp_pgw_hostname := "127.0.0.4"; |
| charstring mp_local_hostname_c := "127.0.0.1"; |
| charstring mp_local_hostname_u := "127.0.0.1"; |
| |
| charstring mp_run_prog_log_path := "/tmp"; |
| charstring mp_run_prog_as_user := "laforge"; |
| charstring mp_ping_hostname := "10.45.0.1"; |
| |
| charstring mp_pcrf_local_ip := "127.0.0.9"; |
| integer mp_pcrf_local_port := 3868; |
| |
| charstring mp_ocs_local_ip := "127.0.0.9"; |
| integer mp_ocs_local_port := 3869; |
| |
| charstring mp_aaa_local_ip := "127.0.0.9"; |
| integer mp_aaa_local_port := 3870; |
| |
| charstring mp_diam_realm := "localdomain"; |
| } |
| |
| /* main component, we typically have one per testcase */ |
| type component PGW_Test_CT extends GTP2_ConnHdlr { |
| var GTPv2_Emulation_CT vc_GTP2; |
| port GTP2EM_PT TEID0; |
| |
| /* emulated PCRF */ |
| var DIAMETER_Emulation_CT vc_Gx; |
| port DIAMETER_PT Gx_UNIT; |
| port DIAMETEREM_PROC_PT Gx_PROC; |
| /* emulated OCS */ |
| var DIAMETER_Emulation_CT vc_Gy; |
| port DIAMETER_PT Gy_UNIT; |
| port DIAMETEREM_PROC_PT Gy_PROC; |
| /* emulated AAA-Server */ |
| var DIAMETER_Emulation_CT vc_S6b; |
| port DIAMETER_PT S6b_UNIT; |
| port DIAMETEREM_PROC_PT S6b_PROC; |
| /* global test case guard timer (actual timeout value is set in f_init()) */ |
| timer T_guard; |
| } |
| |
| /* global altstep for global guard timer; */ |
| altstep as_Tguard() runs on PGW_Test_CT { |
| [] T_guard.timeout { |
| setverdict(fail, "Timeout of T_guard"); |
| mtc.stop; |
| } |
| } |
| |
| type component DIAMETER_ConnHdlr_CT extends DIAMETER_ConnHdlr { |
| port DIAMETER_Conn_PT DIAMETER_CLIENT; |
| } |
| |
| function f_diam_connhldr_ct_main(hexstring imsi) runs on DIAMETER_ConnHdlr_CT { |
| var PDU_DIAMETER msg; |
| |
| if (DIAMETER_PROC.checkstate("Connected")) { |
| f_diameter_expect_imsi(imsi); |
| } |
| |
| while (true) { |
| alt { |
| [] DIAMETER_CLIENT.receive(PDU_DIAMETER:?) -> value msg { |
| DIAMETER.send(msg); |
| } |
| [] DIAMETER.receive(PDU_DIAMETER:?) -> value msg { |
| DIAMETER_CLIENT.send(msg); |
| } |
| } |
| } |
| } |
| |
| |
| /* per-session component; we typically have 1..N per testcase */ |
| type component PGW_Session_CT extends GTP2_ConnHdlr { |
| var SessionPars g_pars; |
| |
| port DIAMETER_Conn_PT Gx; |
| port DIAMETER_Conn_PT Gy; |
| port DIAMETER_Conn_PT S6b; |
| |
| /* GTP-U IPv4 address remote sie */ |
| var OCT4 g_gtpu4_remote; |
| var OCT16 g_gtpu6_remote; |
| |
| /* Address allocation */ |
| var OCT4 g_ip4_addr; |
| var OCT16 g_ip6_addr; |
| var integer g_ip6_plen; |
| |
| /* Store last received Gy message */ |
| var PDU_DIAMETER g_rx_gy; |
| |
| /* number of programs started, used as identifier. */ |
| var integer g_start_prog_count := 0; |
| } |
| |
| type record BearerConfig { |
| /* EPS Bearer ID */ |
| uint4_t ebi optional, |
| /* TEI (Data) local side */ |
| OCT4 teid_local optional, |
| /* TEI (Data) remote side */ |
| OCT4 teid_remote optional |
| }; |
| |
| type record SessionParsGy { |
| /* In seconds. 0 => disabled, !0 => grant over CC-Time period */ |
| integer validity_time, |
| |
| /* Result-Code to use when sending Gy CCA, usually DIAMETER_SUCCESS */ |
| DIAMETER_Resultcode cca_res_code |
| }; |
| |
| /* configuration data for a given Session */ |
| type record SessionPars { |
| hexstring imsi, |
| hexstring msisdn optional, |
| // serving network |
| GTP2C_RAT_Type rat_type, |
| // flags? |
| charstring apn, |
| /* Apn subscribed or non-subscribed */ |
| boolean selection_mode, |
| BIT3 pdn_type, |
| /* PAA */ |
| /* Max APN Restriction */ |
| /* APN-AMBR */ |
| octetstring pco optional, |
| octetstring epco optional, |
| |
| /* TEI (Control) local side */ |
| OCT4 teic_local, |
| /* TEI (Control) remote side */ |
| OCT4 teic_remote optional, |
| /* Bearer Contexts to be created */ |
| BearerConfig bearer optional, |
| |
| charstring tun_dev_name, |
| charstring tun_netns_name optional, |
| |
| SessionParsGy gy |
| } |
| |
| template (value) SessionPars |
| t_SessionPars(hexstring imsi, |
| charstring tundev, |
| template (omit) hexstring msisdn := '1234'H, |
| GTP2C_RAT_Type rat_type := GTP2C_RAT_EUTRAN, |
| charstring apn := "internet", |
| boolean selection_mode := false, |
| BIT3 pdn_type := '001'B) := { |
| imsi := imsi, |
| msisdn := msisdn, |
| rat_type := rat_type, |
| apn := apn, |
| selection_mode := selection_mode, |
| pdn_type := pdn_type, |
| pco := omit, |
| epco := omit, |
| teic_local := '00000000'O, |
| teic_remote := omit, |
| bearer := { |
| ebi := 5, |
| teid_local := omit, |
| teid_remote := omit |
| }, |
| tun_dev_name := tundev, |
| tun_netns_name := tundev, |
| gy := { |
| validity_time := 0, |
| cca_res_code := DIAMETER_SUCCESS |
| } |
| } |
| |
| |
| type function void_fn() runs on PGW_Session_CT; |
| |
| friend function DiameterForwardUnitdataCallback(PDU_DIAMETER msg) |
| runs on DIAMETER_Emulation_CT return template PDU_DIAMETER { |
| DIAMETER_UNIT.send(msg); |
| return omit; |
| } |
| |
| friend function f_init_diameter(charstring id) runs on PGW_Test_CT { |
| var DIAMETEROps ops := { |
| create_cb := refers(DIAMETER_Emulation.ExpectedCreateCallback), |
| unitdata_cb := refers(DiameterForwardUnitdataCallback), |
| raw := false /* handler mode (IMSI based routing) */ |
| }; |
| var DIAMETER_conn_parameters pars; |
| |
| /* Gx setup: */ |
| pars := { |
| remote_ip := mp_pgw_hostname, |
| remote_sctp_port := -1, |
| local_ip := mp_pcrf_local_ip, |
| local_sctp_port := mp_pcrf_local_port, |
| origin_host := "pcrf." & mp_diam_realm, |
| origin_realm := mp_diam_realm, |
| auth_app_id := omit, |
| vendor_app_id := c_DIAMETER_3GPP_Gx_AID |
| }; |
| vc_Gx := DIAMETER_Emulation_CT.create(id); |
| map(vc_Gx:DIAMETER, system:DIAMETER_CODEC_PT); |
| connect(vc_Gx:DIAMETER_UNIT, self:Gx_UNIT); |
| connect(vc_Gx:DIAMETER_PROC, self:Gx_PROC); |
| vc_Gx.start(DIAMETER_Emulation.main(ops, pars, id)); |
| |
| /* Gy setup: */ |
| pars := { |
| remote_ip := mp_pgw_hostname, |
| remote_sctp_port := -1, |
| local_ip := mp_ocs_local_ip, |
| local_sctp_port := mp_ocs_local_port, |
| origin_host := "ocs." & mp_diam_realm, |
| origin_realm := mp_diam_realm, |
| auth_app_id := c_DIAMETER_CREDIT_CONTROL_AID, |
| vendor_app_id := omit |
| }; |
| vc_Gy := DIAMETER_Emulation_CT.create(id); |
| map(vc_Gy:DIAMETER, system:DIAMETER_CODEC_PT); |
| connect(vc_Gy:DIAMETER_UNIT, self:Gy_UNIT); |
| connect(vc_Gy:DIAMETER_PROC, self:Gy_PROC); |
| vc_Gy.start(DIAMETER_Emulation.main(ops, pars, id)); |
| |
| /* S6b setup: */ |
| pars := { |
| remote_ip := mp_pgw_hostname, |
| remote_sctp_port := -1, |
| local_ip := mp_aaa_local_ip, |
| local_sctp_port := mp_aaa_local_port, |
| origin_host := "aaa." & mp_diam_realm, |
| origin_realm := mp_diam_realm, |
| auth_app_id := c_DIAMETER_3GPP_S6b_AID, |
| vendor_app_id := c_DIAMETER_3GPP_S6b_AID |
| }; |
| vc_S6b := DIAMETER_Emulation_CT.create(id); |
| map(vc_S6b:DIAMETER, system:DIAMETER_CODEC_PT); |
| connect(vc_S6b:DIAMETER_UNIT, self:S6b_UNIT); |
| connect(vc_S6b:DIAMETER_PROC, self:S6b_PROC); |
| vc_S6b.start(DIAMETER_Emulation.main(ops, pars, id)); |
| |
| f_diameter_wait_capability(Gx_UNIT); |
| f_diameter_wait_capability(Gy_UNIT); |
| f_diameter_wait_capability(S6b_UNIT); |
| /* Give some time for our emulation to get out of SUSPECT list of SUT (3 watchdong ping-pongs): |
| * RFC6733 sec 5.1 |
| * RFC3539 sec 3.4.1 [5] |
| * https://github.com/freeDiameter/freeDiameter/blob/master/libfdcore/p_psm.c#L49 |
| */ |
| f_sleep(1.0); |
| } |
| |
| private function f_init(float guard_timeout := 60.0) runs on PGW_Test_CT { |
| T_guard.start(guard_timeout); |
| activate(as_Tguard()); |
| |
| var Gtp2EmulationCfg cfg := { |
| gtpc_bind_ip := mp_local_hostname_c, |
| gtpc_bind_port := GTP2C_PORT, |
| gtpc_remote_ip := mp_pgw_hostname, |
| gtpc_remote_port := GTP2C_PORT, |
| gtpu_bind_ip := omit, /* using gtpu daemon */ |
| gtpu_bind_port := omit, /* using gtpu daemon */ |
| sgw_role := true, |
| use_gtpu_daemon := true |
| }; |
| |
| vc_GTP2 := GTPv2_Emulation_CT.create("GTP2_EM"); |
| map(vc_GTP2:GTP2C, system:GTP2C); |
| connect(vc_GTP2:TEID0, self:TEID0); |
| connect(vc_GTP2:CLIENT, self:GTP2); |
| connect(vc_GTP2:CLIENT_PROC, self:GTP2_PROC); |
| vc_GTP2.start(GTPv2_Emulation.main(cfg)); |
| |
| if (mp_pcrf_local_ip != "") { |
| f_init_diameter(testcasename()); |
| } |
| } |
| |
| function f_start_handler(void_fn fn, template (omit) SessionPars pars_tmpl := omit) |
| runs on PGW_Test_CT return PGW_Session_CT { |
| var charstring id := testcasename(); |
| var DIAMETER_ConnHdlr_CT vc_conn_gx, vc_conn_gy, vc_conn_s6b; |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars; |
| |
| if (isvalue(pars_tmpl)) { |
| pars := valueof(pars_tmpl); |
| } else { |
| /*TODO: set default values */ |
| } |
| |
| vc_conn := PGW_Session_CT.create(id); |
| connect(vc_conn:GTP2, vc_GTP2:CLIENT); |
| connect(vc_conn:GTP2_PROC, vc_GTP2:CLIENT_PROC); |
| |
| if (isbound(vc_Gx)) { |
| vc_conn_gx := DIAMETER_ConnHdlr_CT.create(id); |
| connect(vc_conn_gx:DIAMETER, vc_Gx:DIAMETER_CLIENT); |
| connect(vc_conn_gx:DIAMETER_PROC, vc_Gx:DIAMETER_PROC); |
| connect(vc_conn:Gx, vc_conn_gx:DIAMETER_CLIENT); |
| vc_conn_gx.start(f_diam_connhldr_ct_main(pars.imsi)); |
| } |
| |
| if (isbound(vc_Gy)) { |
| vc_conn_gy := DIAMETER_ConnHdlr_CT.create(id); |
| connect(vc_conn_gy:DIAMETER, vc_Gy:DIAMETER_CLIENT); |
| connect(vc_conn_gy:DIAMETER_PROC, vc_Gy:DIAMETER_PROC); |
| connect(vc_conn:Gy, vc_conn_gy:DIAMETER_CLIENT); |
| vc_conn_gy.start(f_diam_connhldr_ct_main(pars.imsi)); |
| } |
| |
| if (isbound(vc_S6b)) { |
| vc_conn_s6b := DIAMETER_ConnHdlr_CT.create(id); |
| connect(vc_conn_s6b:DIAMETER, vc_S6b:DIAMETER_CLIENT); |
| connect(vc_conn_s6b:DIAMETER_PROC, vc_S6b:DIAMETER_PROC); |
| connect(vc_conn:S6b, vc_conn_s6b:DIAMETER_CLIENT); |
| vc_conn_s6b.start(f_diam_connhldr_ct_main(pars.imsi)); |
| } |
| |
| vc_conn.start(f_handler_init(fn, pars)); |
| return vc_conn; |
| } |
| |
| private function f_handler_init(void_fn fn, SessionPars pars) |
| runs on PGW_Session_CT { |
| g_pars := valueof(pars); |
| /* allocate + register TEID-C on local side */ |
| g_pars.teic_local := f_gtp2_allocate_teid(); |
| g_pars.bearer.teid_local := g_pars.teic_local; |
| fn.apply(); |
| } |
| |
| private function f_concat_pad(integer tot_len, hexstring prefix, integer suffix) return hexstring { |
| var integer suffix_len := tot_len - lengthof(prefix); |
| var charstring suffix_ch := int2str(suffix); |
| var integer pad_len := suffix_len - lengthof(suffix_ch); |
| |
| return prefix & int2hex(0, pad_len) & str2hex(suffix_ch); |
| } |
| |
| function f_gen_imei(integer suffix) return hexstring { |
| return f_concat_pad(14, '49999'H, suffix); |
| } |
| |
| function f_gen_imsi(integer suffix) return hexstring { |
| return f_concat_pad(15, '26242'H, suffix); |
| } |
| |
| /* S6b emulation (AAA-Server) */ |
| private altstep as_DIA_S6b_AAR() runs on PGW_Session_CT { |
| var PDU_DIAMETER rx_dia; |
| [] S6b.receive(tr_DIA_S6b_AAR()) -> value rx_dia { |
| var template (omit) AVP avp; |
| var octetstring sess_id; |
| |
| avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_BASE_NONE_Session_Id); |
| sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id); |
| |
| S6b.send(ts_DIA_S6b_AAA(sess_id, "aaa." & mp_diam_realm, |
| mp_diam_realm, mp_diam_realm, |
| rx_dia.hop_by_hop_id, rx_dia.end_to_end_id)); |
| setverdict(pass); |
| } |
| [] S6b.receive(PDU_DIAMETER:?) -> value rx_dia { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Received unexpected DIAMETER ", rx_dia)); |
| } |
| } |
| |
| /* Gx emulation (PCRF)*/ |
| private altstep as_DIA_Gx_CCR(DCC_NONE_CC_Request_Type req_type) runs on PGW_Session_CT { |
| var PDU_DIAMETER rx_dia; |
| [] Gx.receive(tr_DIA_Gx_CCR(req_type := req_type)) -> value rx_dia { |
| var template (omit) AVP avp; |
| var octetstring sess_id; |
| var AVP_Unsigned32 req_num; |
| |
| avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_BASE_NONE_Session_Id); |
| sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id); |
| |
| avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_DCC_NONE_CC_Request_Number); |
| req_num := valueof(avp.avp_data.avp_DCC_NONE_CC_Request_Number); |
| |
| Gx.send(ts_DIA_Gx_CCA(rx_dia.hop_by_hop_id, rx_dia.end_to_end_id, sess_id, |
| req_type, req_num)); |
| } |
| [] Gx.receive(PDU_DIAMETER:?) -> value rx_dia { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Received unexpected DIAMETER ", rx_dia)); |
| } |
| } |
| |
| /* Gy emulation (OCS) */ |
| function f_tr_DIA_Gy_CCR(DCC_NONE_CC_Request_Type req_type) |
| runs on PGW_Session_CT return template (present) PDU_DIAMETER |
| { |
| var template (present) PDU_DIAMETER tpl; |
| var charstring smf_origin_host := "smf." & mp_diam_realm; |
| var template (present) octetstring imsi := ?; |
| var template (present) octetstring msisdn := ?; |
| var template (present) octetstring rat_type := ?; |
| var template (present) OCT4 charging_char := ?; |
| var template (present) OCT1 nsapi := ?; |
| imsi := char2oct(f_dec_TBCD(imsi_hex2oct(g_pars.imsi))); |
| //msisdn := char2oct(f_dec_TBCD(substr(ctx_val.msisdn, 1, lengthof(ctx_val.msisdn) -1))); |
| rat_type := int2oct(enum2int(g_pars.rat_type), 1); |
| charging_char := char2oct(oct2str('0000'O)); // f_s5s8_create_session() uses hardcoded chg_car := '0000'O |
| nsapi := int2oct(g_pars.bearer.ebi, 1); |
| select (req_type) { |
| case (INITIAL_REQUEST) { |
| tpl := tr_DIAMETER(flags:='11000000'B, cmd_code:=Credit_Control, |
| avps := superset( |
| tr_AVP_SessionId, |
| tr_AVP_OriginHost(smf_origin_host), |
| tr_AVP_OriginRealm(mp_diam_realm), |
| tr_AVP_DestinationRealm(mp_diam_realm), |
| tr_AVP_AuthAppId(int2oct(c_DIAMETER_CREDIT_CONTROL_AID, 4)), |
| tr_AVP_ServiceContextId, |
| tr_AVP_CcReqType(req_type), |
| tr_AVP_CcReqNum(?), |
| tr_AVP_EventTimestamp(?), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_IMSI), tr_AVP_SubcrIdData(imsi)}), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_E164), tr_AVP_SubcrIdData(msisdn)}), |
| tr_AVP_RequestedAction(DIRECT_DEBITING), |
| tr_AVP_3GPP_AoCRequestType, |
| tr_AVP_MultipleServicesIndicator, |
| tr_AVP_Multiple_Services_Credit_Control(content := superset( |
| tr_AVP_Requested_Service_Unit, |
| tr_AVP_PCC_3GPP_QoS_Information |
| )), |
| tr_AVP_3GPP_ServiceInformation(content := superset( |
| tr_AVP_3GPP_PSInformation(content := superset( |
| tr_AVP_3GPP_ChargingId, |
| tr_AVP_3GPP_PDPType((IPv4,IPv6,IPv4v6)), |
| tr_AVP_3GPP_PDPAddress(tr_AVP_Address((IP,IP6), ?)), |
| tr_AVP_3GPP_SGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pcrf_local_ip))), |
| tr_AVP_3GPP_GGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pgw_hostname))), |
| tr_AVP_3GPP_CalledStationId, |
| tr_AVP_3GPP_SelectionMode, |
| tr_AVP_3GPP_ChargingCharacteristics(charging_char), |
| tr_AVP_3GPP_SGSNMCCMNC, |
| tr_AVP_3GPP_NSAPI(nsapi), |
| /*We don't yet send MS_Tz in CreateSessionReq: |
| tr_AVP_3GPP_MS_TimeZone,*/ |
| tr_AVP_3GPP_ULI, |
| tr_AVP_GI_3GPP_RatType(rat_type)/*, |
| We don't yet send IMEI in CreateSessionReq: |
| tr_AVP_UserEquipmentInfo({ |
| tr_AVP_UserEquipmentInfoType(IMEISV), |
| tr_AVP_UserEquipmentInfoValue(imeisv) |
| })*/ |
| )) |
| )) |
| )); |
| } |
| case (UPDATE_REQUEST) { |
| tpl := tr_DIAMETER(flags:='11000000'B, cmd_code:=Credit_Control, |
| avps := superset( |
| tr_AVP_SessionId, |
| tr_AVP_OriginHost(smf_origin_host), |
| tr_AVP_OriginRealm(mp_diam_realm), |
| tr_AVP_DestinationRealm(mp_diam_realm), |
| tr_AVP_AuthAppId(int2oct(c_DIAMETER_CREDIT_CONTROL_AID, 4)), |
| tr_AVP_ServiceContextId, |
| tr_AVP_CcReqType(req_type), |
| tr_AVP_CcReqNum(?), |
| tr_AVP_DestinationHost(?), |
| tr_AVP_EventTimestamp(?), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_IMSI), tr_AVP_SubcrIdData(imsi)}), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_E164), tr_AVP_SubcrIdData(msisdn)}), |
| tr_AVP_RequestedAction(DIRECT_DEBITING), |
| tr_AVP_3GPP_AoCRequestType, |
| tr_AVP_Multiple_Services_Credit_Control(content := superset( |
| tr_AVP_Requested_Service_Unit, |
| tr_AVP_Used_Service_Unit, |
| /* tr_AVP_3GPP_Reporting_Reason, can be sometimes inside UsedServiceUnit */ |
| tr_AVP_PCC_3GPP_QoS_Information |
| )), |
| tr_AVP_3GPP_ServiceInformation(content := superset( |
| tr_AVP_3GPP_PSInformation(content := superset( |
| tr_AVP_3GPP_ChargingId, |
| /* tr_AVP_3GPP_PDPType, Only in INIT */ |
| tr_AVP_3GPP_PDPAddress(tr_AVP_Address((IP,IP6), ?)), |
| tr_AVP_3GPP_SGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pcrf_local_ip))), |
| tr_AVP_3GPP_GGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pgw_hostname))), |
| tr_AVP_3GPP_CalledStationId, |
| tr_AVP_3GPP_SelectionMode, |
| tr_AVP_3GPP_ChargingCharacteristics(charging_char), |
| tr_AVP_3GPP_SGSNMCCMNC, |
| tr_AVP_3GPP_NSAPI(nsapi), |
| /*We don't yet send MS_Tz in CreateSessionReq: |
| tr_AVP_3GPP_MS_TimeZone,*/ |
| tr_AVP_3GPP_ULI, |
| tr_AVP_GI_3GPP_RatType(rat_type)/*, |
| We don't yet send IMEI in CreateSessionReq: |
| tr_AVP_UserEquipmentInfo({ |
| tr_AVP_UserEquipmentInfoType(IMEISV), |
| tr_AVP_UserEquipmentInfoValue(imeisv) |
| })*/ |
| )) |
| )) |
| )); |
| } |
| case (TERMINATION_REQUEST) { |
| tpl := tr_DIAMETER(flags:='11000000'B, cmd_code:=Credit_Control, |
| avps := superset( |
| tr_AVP_SessionId, |
| tr_AVP_OriginHost(smf_origin_host), |
| tr_AVP_OriginRealm(mp_diam_realm), |
| tr_AVP_DestinationRealm(mp_diam_realm), |
| tr_AVP_AuthAppId(int2oct(c_DIAMETER_CREDIT_CONTROL_AID, 4)), |
| tr_AVP_ServiceContextId, |
| tr_AVP_CcReqType(req_type), |
| tr_AVP_CcReqNum(?), |
| tr_AVP_DestinationHost(?), |
| tr_AVP_EventTimestamp(?), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_IMSI), tr_AVP_SubcrIdData(imsi)}), |
| tr_AVP_SubcrId({tr_AVP_SubcrIdType(END_USER_E164), tr_AVP_SubcrIdData(msisdn)}), |
| tr_AVP_TerminationCause(?), |
| tr_AVP_RequestedAction(DIRECT_DEBITING), |
| tr_AVP_3GPP_AoCRequestType, |
| tr_AVP_Multiple_Services_Credit_Control(content := superset( |
| /* tr_AVP_Requested_Service_Unit, Only in INIT and UPDATE */ |
| tr_AVP_Used_Service_Unit, |
| tr_AVP_3GPP_Reporting_Reason(FINAL), |
| tr_AVP_PCC_3GPP_QoS_Information |
| )), |
| tr_AVP_3GPP_ServiceInformation(content := superset( |
| tr_AVP_3GPP_PSInformation(content := superset( |
| tr_AVP_3GPP_ChargingId, |
| /* tr_AVP_3GPP_PDPType, Only in INIT */ |
| tr_AVP_3GPP_PDPAddress(tr_AVP_Address((IP,IP6), ?)), |
| tr_AVP_3GPP_SGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pcrf_local_ip))), |
| tr_AVP_3GPP_GGSNAddress(tr_AVP_Address(IP, f_inet_addr(mp_pgw_hostname))), |
| tr_AVP_3GPP_CalledStationId, |
| tr_AVP_3GPP_SelectionMode, |
| tr_AVP_3GPP_ChargingCharacteristics(charging_char), |
| tr_AVP_3GPP_SGSNMCCMNC, |
| tr_AVP_3GPP_NSAPI(nsapi), |
| /*We don't yet send MS_Tz in CreateSessionReq: |
| tr_AVP_3GPP_MS_TimeZone,*/ |
| tr_AVP_3GPP_ULI, |
| tr_AVP_GI_3GPP_RatType(rat_type)/*, |
| We don't yet send IMEI in CreateSessionReq: |
| tr_AVP_UserEquipmentInfo({ |
| tr_AVP_UserEquipmentInfoType(IMEISV), |
| tr_AVP_UserEquipmentInfoValue(imeisv) |
| })*/ |
| )) |
| )) |
| )); |
| } |
| } |
| return tpl; |
| } |
| |
| function f_ts_DIA_Gy_CCA(PDU_DIAMETER rx_gy) |
| runs on PGW_Session_CT return template (value) PDU_DIAMETER |
| { |
| var template (value) PDU_DIAMETER tx_dia; |
| var template (omit) AVP avp; |
| var octetstring sess_id; |
| var AVP_Unsigned32 req_num; |
| var DCC_NONE_CC_Request_Type req_type; |
| var DIAMETER_Resultcode cca_res_code_success := DIAMETER_SUCCESS; |
| |
| avp := f_DIAMETER_get_avp(rx_gy, c_AVP_Code_BASE_NONE_Session_Id); |
| sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id); |
| |
| avp := f_DIAMETER_get_avp(rx_gy, c_AVP_Code_DCC_NONE_CC_Request_Type); |
| req_type := valueof(avp.avp_data.avp_DCC_NONE_CC_Request_Type); |
| |
| avp := f_DIAMETER_get_avp(rx_gy, c_AVP_Code_DCC_NONE_CC_Request_Number); |
| req_num := valueof(avp.avp_data.avp_DCC_NONE_CC_Request_Number); |
| |
| if (g_pars.gy.cca_res_code != cca_res_code_success) { |
| tx_dia := ts_DIA_Gy_CCA(rx_gy.hop_by_hop_id, rx_gy.end_to_end_id, sess_id, |
| g_pars.gy.cca_res_code, req_type, req_num); |
| } else if (g_pars.gy.validity_time > 0) { |
| tx_dia := ts_DIA_Gy_CCA_ValidityTime(rx_gy.hop_by_hop_id, rx_gy.end_to_end_id, sess_id, |
| req_type, req_num, g_pars.gy.validity_time); |
| } else { |
| tx_dia := ts_DIA_Gy_CCA(rx_gy.hop_by_hop_id, rx_gy.end_to_end_id, sess_id, |
| g_pars.gy.cca_res_code, req_type, req_num); |
| } |
| return tx_dia; |
| } |
| |
| private altstep as_DIA_Gy_CCR(DCC_NONE_CC_Request_Type req_type) |
| runs on PGW_Session_CT { |
| [] Gy.receive(f_tr_DIA_Gy_CCR(req_type := req_type)) -> value g_rx_gy { |
| var template (value) PDU_DIAMETER tx_dia; |
| tx_dia := f_ts_DIA_Gy_CCA(g_rx_gy); |
| Gy.send(tx_dia); |
| } |
| [] Gy.receive(PDU_DIAMETER:?) -> value g_rx_gy { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Received unexpected DIAMETER Gy", g_rx_gy)); |
| } |
| } |
| |
| /* GTPv2C */ |
| private function is_s2b_iface() runs on PGW_Session_CT return boolean { |
| return (g_pars.rat_type == GTP2C_RAT_WLAN or g_pars.rat_type == GTP2C_RAT_Virtual); |
| } |
| |
| /* find TEID of given interface type (and optionally instance) */ |
| private function f_find_teid(FullyQualifiedTEID_List list, |
| template (present) integer if_type, |
| template (present) BIT4 instance := ?) |
| return template (omit) FullyQualifiedTEID |
| { |
| var integer i; |
| for (i := 0; i < lengthof(list); i := i+1) { |
| if (match(list[i].interfaceType, if_type) and |
| match(list[i].instance, instance)) { |
| return list[i]; |
| } |
| } |
| return omit; |
| } |
| |
| /* process one to-be-created bearer context */ |
| private function process_bctx_create(BearerContextGrouped bctx) runs on PGW_Session_CT |
| { |
| g_pars.bearer.ebi := bctx.bearerContextIEs.ePS_Bearer_ID.ePS_Bearer_ID_Value; |
| /* FIXME: Cause */ |
| |
| var integer exp_fteid_if_type; |
| var BIT4 exp_fteid_instance; |
| if (is_s2b_iface()) { |
| exp_fteid_if_type := 33; |
| exp_fteid_instance := '0100'B; |
| } else { |
| exp_fteid_if_type := 5; |
| exp_fteid_instance := '0010'B; |
| } |
| |
| /* find F-TEID of the P-GW U side */ |
| var FullyQualifiedTEID rx_fteid; |
| rx_fteid := valueof(f_find_teid(bctx.bearerContextIEs.fullyQualifiedTEID, |
| exp_fteid_if_type, exp_fteid_instance)); |
| g_pars.bearer.teid_remote := rx_fteid.tEID_GRE_Key; |
| if (rx_fteid.v4_Flag == '1'B) { |
| g_gtpu4_remote := rx_fteid.iPv4_Address; |
| } |
| if (rx_fteid.v6_Flag == '1'B) { |
| g_gtpu6_remote := rx_fteid.iPv6_Address; |
| } |
| |
| var UECUPS_CreateTun uecups_create := { |
| tx_teid := oct2int(g_pars.bearer.teid_remote), |
| rx_teid := oct2int(g_pars.bearer.teid_local), |
| user_addr_type := IPV4, |
| user_addr := '00000000'O, |
| local_gtp_ep := valueof(ts_UECUPS_SockAddr(f_inet_addr(mp_local_hostname_u))), |
| remote_gtp_ep := valueof(ts_UECUPS_SockAddr(g_gtpu4_remote)), |
| tun_dev_name := g_pars.tun_dev_name, |
| tun_netns_name := g_pars.tun_netns_name |
| }; |
| |
| /* create tunnel in daemon */ |
| if (isbound(g_ip4_addr)) { |
| uecups_create.user_addr := g_ip4_addr; |
| f_gtp2_create_tunnel(uecups_create); |
| } |
| if (isbound(g_ip6_addr)) { |
| uecups_create.user_addr_type := IPV6; |
| uecups_create.user_addr := g_ip6_addr; |
| f_gtp2_create_tunnel(uecups_create); |
| } |
| } |
| |
| /* create a session on the PGW */ |
| private function f_create_session(template (value) FullyQualifiedTEID fteid_c_ie, |
| template (value) FullyQualifiedTEID fteid_u_ie, |
| template (omit) UserLocationInfo uli_ie := omit, |
| template (omit) APCO apco := omit, |
| template APCO exp_apco := *) runs on PGW_Session_CT { |
| var PDU_GTPCv2 rx; |
| |
| /* Defaults used for s5/s8: */ |
| var boolean do_s6b := false; |
| var template APN_Restriction apn_restriction := ?; |
| /* Change behavior when on S2b: */ |
| if (is_s2b_iface()) { |
| do_s6b := true; |
| apn_restriction := omit; |
| } |
| |
| var template (value) PDU_GTPCv2 g2c := |
| ts_GTP2C_CreateSessionReq(imsi := g_pars.imsi, |
| msisdn := g_pars.msisdn, |
| rat_type := enum2int(g_pars.rat_type), |
| sender_fteid := fteid_c_ie, |
| apn := f_enc_dns_hostname(g_pars.apn), |
| pdn_type := g_pars.pdn_type, |
| teid_list := { fteid_u_ie }, |
| chg_car := '0000'O, |
| bearer_id := g_pars.bearer.ebi, |
| uli := uli_ie, |
| apco := apco); |
| g2c.gtpcv2_pdu.createSessionRequest.servingNetwork := ts_GTP2C_ServingNetwork('001'H, '01F'H); |
| |
| GTP2.send(g2c); |
| if (do_s6b and S6b.checkstate("Connected")) { |
| as_DIA_S6b_AAR(); |
| } |
| if (Gx.checkstate("Connected")) { |
| as_DIA_Gx_CCR(INITIAL_REQUEST); |
| } |
| /* FIXME: When on S2b interface, SMF is not using the Gy interface, unknown reason. */ |
| if (Gy.checkstate("Connected")) { |
| as_DIA_Gy_CCR(INITIAL_REQUEST); |
| } |
| alt { |
| [] GTP2.receive(tr_GTP2C_CreateSessionResp(d_teid := g_pars.teic_local, |
| cause := Request_accepted, |
| apn_restriction := apn_restriction, |
| exp_apco := exp_apco)) -> value rx { |
| /* extract TEIDs */ |
| var CreateSessionResponse resp := rx.gtpcv2_pdu.createSessionResponse; |
| g_pars.teic_remote := resp.fullyQualifiedTEID[0].tEID_GRE_Key; |
| |
| /* extract allocated address[es] */ |
| var PDN_Address_and_Prefix paa := resp.pDN_AddressAllocation.pDN_Address_and_Prefix; |
| if (ischosen(paa.iPv4_Address)) { |
| g_ip4_addr := paa.iPv4_Address; |
| } else if (ischosen(paa.iPv6_Address)) { |
| g_ip6_addr := paa.iPv6_Address.iPv6_Address; |
| g_ip6_plen := paa.iPv6_Address.prefixLength; |
| } else if (ischosen(paa.iPv4_IPv6)) { |
| g_ip4_addr := paa.iPv4_IPv6.iPv4_Address; |
| g_ip6_addr := paa.iPv4_IPv6.iPv6_Address; |
| g_ip6_plen := paa.iPv4_IPv6.prefixLength; |
| } |
| var integer i; |
| for (i := 0; i < lengthof(resp.bearerContextGrouped); i := i+1) { |
| var BearerContextGrouped bctx := resp.bearerContextGrouped[i]; |
| select (bctx.instance) { |
| case ('0000'B) { // created |
| process_bctx_create(bctx); |
| } |
| case ('0001'B) { // removed |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| "We don't expect removed bearer contexts yet"); |
| } |
| } |
| } |
| } |
| [] GTP2.receive(tr_GTP2C_CreateSessionResp(d_teid:=g_pars.teic_local, cause:=?)) -> value rx { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Unexpected CreateSessionResp(cause=", |
| rx.gtpcv2_pdu.createSessionResponse.cause.causeValue, ")")); |
| } |
| [] GTP2.receive { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| "Unexpected GTPv2 while waiting for CreateSessionResp"); |
| } |
| } |
| |
| } |
| |
| /* create a session on the PGW on a S5/S8 interface (from SGW )*/ |
| private function f_s5s8_create_session() runs on PGW_Session_CT { |
| var template (value) FullyQualifiedTEID fteid_c_ie, fteid_u_ie; |
| var template (value) UserLocationInfo uli_ie; |
| |
| fteid_c_ie := ts_GTP2C_FTEID(FTEID_IF_S5S8_SGW_GTPC, g_pars.teic_local, 0, |
| f_inet_addr(mp_local_hostname_c), omit); |
| fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S5S8_SGW_GTPU, g_pars.bearer.teid_local, 2, |
| f_inet_addr(mp_local_hostname_u), omit); |
| |
| |
| /* open5gs up to 1.2.3 won't accept it without ULI, despite not mandatory */ |
| var template (value) TAI tai := { '0'H, '0'H, '1'H, 'F'H, '0'H, '1'H, '0001'O }; |
| var template (value) ECGI ecgi := { '0'H, '0'H, '1'H, 'F'H, '0'H, '1'H, '0'H, 23 }; |
| uli_ie := ts_GTP2C_UserLocInfo(tai := tai, ecgi := ecgi); |
| |
| f_create_session(fteid_c_ie, fteid_u_ie, uli_ie); |
| |
| } |
| |
| /* create a session on the PGW on a S2b interface (from ePDG)*/ |
| private function f_s2b_create_session(template (omit) APCO apco := omit, |
| template APCO exp_apco := *) runs on PGW_Session_CT { |
| var template (value) FullyQualifiedTEID fteid_c_ie, fteid_u_ie; |
| var template (value) UserLocationInfo uli_ie; |
| |
| fteid_c_ie := ts_GTP2C_FTEID(FTEID_IF_S2b_ePDG_GTPC, g_pars.teic_local, 0, |
| f_inet_addr(mp_local_hostname_c), omit); |
| fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S2bU_ePDG_GTPU, g_pars.bearer.teid_local, 5, |
| f_inet_addr(mp_local_hostname_u), omit); |
| |
| var template (value) TAI tai := { '0'H, '0'H, '1'H, 'F'H, '0'H, '1'H, '0001'O }; |
| var template (value) ECGI ecgi := { '0'H, '0'H, '1'H, 'F'H, '0'H, '1'H, '0'H, 23 }; |
| uli_ie := ts_GTP2C_UserLocInfo(tai := tai, ecgi := ecgi); |
| |
| f_create_session(fteid_c_ie, fteid_u_ie, uli_ie := uli_ie, apco := apco, exp_apco := exp_apco); |
| |
| } |
| |
| /* delete the session from the PGW */ |
| private function f_delete_session(template (omit) GTP2C_Cause tx_cause := omit, |
| template (present) OCT4 exp_teid, |
| template (present) GTP2C_Cause exp_cause, |
| boolean expect_diameter := true) runs on PGW_Session_CT { |
| var template (value) FullyQualifiedTEID fteid_c_ie |
| fteid_c_ie := ts_GTP2C_FTEID(FTEID_IF_S5S8_SGW_GTPC, g_pars.teic_local, 0, |
| f_inet_addr(mp_local_hostname_c), omit); |
| var template PDU_GTPCv2 g2c := |
| ts_GTP2C_DeleteSessionReq(d_teid := g_pars.teic_remote, cause := tx_cause, |
| sender_fteid := fteid_c_ie, |
| teid_list := {}, bearer_id := g_pars.bearer.ebi); |
| |
| GTP2.send(g2c); |
| if (Gx.checkstate("Connected") and expect_diameter) { |
| as_DIA_Gx_CCR(TERMINATION_REQUEST); |
| } |
| if (Gy.checkstate("Connected") and expect_diameter) { |
| as_DIA_Gy_CCR(TERMINATION_REQUEST); |
| } |
| alt { |
| [] GTP2.receive(tr_GTP2C_DeleteSessionResp(d_teid := exp_teid, cause := exp_cause)) { |
| setverdict(pass); |
| } |
| [] GTP2.receive(tr_GTP2C_DeleteSessionResp(?, ?)) { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| "Unexpected DeleteSessionResp"); |
| } |
| [] GTP2.receive { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| "Unexpected GTPv2 while waiting for DeleteSessionResp"); |
| } |
| } |
| |
| /* destroy tunnel in daemon */ |
| if (isbound(g_pars.bearer.teid_local)) { |
| var UECUPS_DestroyTun uecups_destroy := { |
| local_gtp_ep := valueof(ts_UECUPS_SockAddr(f_inet_addr(mp_local_hostname_u))), |
| rx_teid := oct2int(g_pars.bearer.teid_local) |
| }; |
| /* FIXME: what about IPv4/IPv6 differentiation? */ |
| f_gtp2_destroy_tunnel(uecups_destroy); |
| } |
| } |
| |
| /* start a program on the user plane side; return its PID */ |
| private function f_start_prog(charstring command, boolean redirect_output := true) |
| runs on PGW_Session_CT return integer |
| { |
| var UECUPS_StartProgram sprog := { |
| command := command, |
| environment := {}, |
| run_as_user := mp_run_prog_as_user, |
| tun_netns_name := g_pars.tun_netns_name |
| }; |
| g_start_prog_count := g_start_prog_count + 1; |
| |
| /* Redirect stdout/stderr to the user-specified location */ |
| if (redirect_output) { |
| var charstring id := testcasename() & "-" & hex2str(g_pars.imsi) & "-" & int2str(g_start_prog_count); |
| var charstring prefix := mp_run_prog_log_path & "/" & id; |
| sprog.command := sprog.command & " 1>>" & prefix & ".prog.stdout"; |
| sprog.command := sprog.command & " 2>>" & prefix & ".prog.stderr"; |
| } |
| |
| log("Starting a program: ", command); |
| var UECUPS_StartProgramRes res := f_gtp2_start_program(sprog); |
| if (res.result != OK) { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Unable to start program '", command, "'")); |
| } |
| log("Started program '", command, "' with PID ", res.pid); |
| return res.pid; |
| } |
| |
| /* wait for termination of a given PID with specified exit_code */ |
| private function f_wait_term(integer pid, template (present) integer exit_code := 0, |
| float tout := 10.0) runs on PGW_Session_CT |
| { |
| var UECUPS_ProgramTermInd pti; |
| timer T := tout; |
| |
| T.start; |
| alt { |
| [] GTP2.receive(UECUPS_ProgramTermInd:{pid := pid, exit_code := exit_code}) { |
| setverdict(pass); |
| } |
| [] GTP2.receive(UECUPS_ProgramTermInd:?) -> value pti { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("Received unexpected ProgramTermInd := ", pti)); |
| } |
| [] T.timeout { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| log2str("timeout (", tout, " seconds) waiting for user-plane program PID ", pid, " termination")); |
| } |
| } |
| } |
| |
| /* execute a program and wait for result */ |
| private function f_start_prog_wait(charstring command, |
| template integer exit_code := 0, |
| float tout := 10.0, |
| boolean redirect_output := true) |
| runs on PGW_Session_CT |
| { |
| var integer pid := f_start_prog(command, redirect_output); |
| f_wait_term(pid, exit_code, tout); |
| } |
| |
| /* execute ping command and wait for result */ |
| private function f_ping4(charstring host, integer interval := 1, integer count := 10) runs on PGW_Session_CT |
| { |
| var charstring ping :="ping -c " & int2str(count) & " -i " & int2str(interval); |
| |
| if (not isbound(g_ip4_addr)) { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "f_ping4(): g_ip4_addr is unset!"); |
| } |
| ping := ping & " -I " & f_inet_ntoa(g_ip4_addr); |
| ping := ping & " " & host; |
| f_start_prog_wait(ping, tout := int2float(5 + interval*count)); |
| } |
| |
| |
| |
| |
| /* send echo request; expect response */ |
| testcase TC_tx_echo() runs on PGW_Test_CT { |
| timer T := 5.0; |
| |
| f_init(); |
| |
| GTP2.send(ts_GTP2C_EchoReq(0)); |
| T.start; |
| alt { |
| [] GTP2.receive(tr_GTP2C_EchoResp) { |
| setverdict(pass); |
| } |
| [] T.timeout { |
| Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "timeout waiting for Echo Response"); |
| } |
| } |
| } |
| |
| /* create a session, expect it to succeed */ |
| private function f_TC_createSession() runs on PGW_Session_CT { |
| f_s5s8_create_session(); |
| setverdict(pass); |
| } |
| testcase TC_createSession() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun22")); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_createSession), pars); |
| vc_conn.done; |
| } |
| |
| /* create a session, then execute a ping command on the user plane */ |
| private function f_TC_createSession_ping4() runs on PGW_Session_CT { |
| f_s5s8_create_session(); |
| f_ping4(mp_ping_hostname); |
| setverdict(pass); |
| } |
| testcase TC_createSession_ping4() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun23")); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_createSession_ping4), pars); |
| vc_conn.done; |
| } |
| testcase TC_createSession_ping4_256() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn[256]; |
| var integer i; |
| |
| f_init(); |
| |
| for (i := 0; i < sizeof(vc_conn); i:=i+1) { |
| var charstring tundev := "ping" & int2str(i); |
| var SessionPars pars := valueof(t_SessionPars(f_gen_imsi(i), tundev)); |
| vc_conn[i] := f_start_handler(refers(f_TC_createSession_ping4), pars); |
| } |
| |
| for (i := 0; i < lengthof(vc_conn); i:=i+1) { |
| vc_conn[i].done; |
| } |
| } |
| |
| |
| /* create a session, then delete it again */ |
| private function f_TC_createSession_deleteSession() runs on PGW_Session_CT { |
| f_s5s8_create_session(); |
| f_delete_session(omit, g_pars.teic_local, Request_accepted); |
| setverdict(pass); |
| } |
| testcase TC_createSession_deleteSession() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun23")); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_createSession_deleteSession), pars); |
| vc_conn.done; |
| } |
| |
| /* send a DeleteSessionReq for an unknown/invalid TEID */ |
| private function f_TC_deleteSession_unknown() runs on PGW_Session_CT { |
| g_pars.teic_remote := f_rnd_octstring(4); |
| f_delete_session(omit, '00000000'O, Context_Not_Found, false); |
| setverdict(pass); |
| } |
| testcase TC_deleteSession_unknown() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun23")); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_deleteSession_unknown), pars); |
| vc_conn.done; |
| } |
| |
| /* Test charging over Gy interface. */ |
| private function f_TC_gy_charging_cc_time() runs on PGW_Session_CT { |
| var default d; |
| |
| f_s5s8_create_session(); |
| |
| /* We should receive an update even if no traffic is sent: */ |
| as_DIA_Gy_CCR(UPDATE_REQUEST); |
| f_validate_gy_cc_report(g_rx_gy, VALIDITY_TIME, (3..4), 0, 0); |
| |
| d := activate(as_DIA_Gy_CCR(UPDATE_REQUEST)); |
| f_ping4(mp_ping_hostname); |
| /* Let the CCA reach the PGW */ |
| f_sleep(0.5); |
| deactivate(d); |
| f_validate_gy_cc_report(g_rx_gy, VALIDITY_TIME, (3..4), (28..1000), (28..1000)); |
| |
| as_DIA_Gy_CCR(UPDATE_REQUEST); |
| f_validate_gy_cc_report(g_rx_gy, VALIDITY_TIME, (3..4), ?, ?); |
| |
| f_delete_session(omit, g_pars.teic_local, Request_accepted); |
| f_validate_gy_cc_report(g_rx_gy, FINAL, (0..1), 0, 0); |
| setverdict(pass); |
| } |
| testcase TC_gy_charging_cc_time() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun23")); |
| pars.gy.validity_time := 3; /* Grant access for 3 seconds, needs to be re-validated afterwards */ |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_gy_charging_cc_time), pars); |
| vc_conn.done; |
| } |
| |
| /* Test Gy CCR rejected with CCA Result-Code DIAMETER_AUTHORIZATION_REJECTED (5003) */ |
| private function f_TC_gy_ccr_update_rejected() runs on PGW_Session_CT { |
| var default d; |
| |
| f_s5s8_create_session(); |
| |
| /* We should receive an update even if no traffic is sent: */ |
| as_DIA_Gy_CCR(UPDATE_REQUEST); |
| |
| /* Answer next CCR[Update] with CCA Reject: */ |
| g_pars.gy.cca_res_code := DIAMETER_AUTHORIZATION_REJECTED; |
| as_DIA_Gy_CCR(UPDATE_REQUEST); |
| |
| /* Expect PGW to tear down the connection as a result: */ |
| as_DIA_Gx_CCR(TERMINATION_REQUEST); |
| as_DIA_Gy_CCR(TERMINATION_REQUEST); |
| |
| setverdict(pass); |
| } |
| testcase TC_gy_ccr_update_rejected() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, "tun23")); |
| pars.gy.validity_time := 3; /* Grant access for 3 seconds, needs to be re-validated afterwards */ |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_gy_ccr_update_rejected), pars); |
| vc_conn.done; |
| } |
| |
| /* create a session, expect it to succeed */ |
| private function f_TC_s2b_createSession_v4_noapco() runs on PGW_Session_CT { |
| var template (omit) APCO apco := omit; |
| var template APCO exp_apco := omit; |
| f_s2b_create_session(apco, exp_apco); |
| setverdict(pass); |
| } |
| testcase TC_s2b_createSession_v4_noapco() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, |
| "tun22", |
| rat_type := GTP2C_RAT_WLAN)); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_s2b_createSession_v4_noapco), pars); |
| vc_conn.done; |
| } |
| |
| private function f_TC_s2b_createSession_v4_apco() runs on PGW_Session_CT { |
| var template (omit) APCO apco := ts_GTP2C_APCO('0000'B, |
| {ts_GTP2C_PCO_P_DNS_IPv4(''O), |
| ts_GTP2C_PCO_P_PCSCF_IPv4(''O)}); |
| var template APCO exp_apco := tr_GTP2C_APCO('0000'B, |
| {tr_GTP2C_PCO_P_DNS_IPv4(?), |
| *, /* open5gs-smfd can contain several DNS servers */ |
| tr_GTP2C_PCO_P_PCSCF_IPv4(?)}); |
| f_s2b_create_session(apco, exp_apco); |
| setverdict(pass); |
| } |
| testcase TC_s2b_createSession_v4_apco() runs on PGW_Test_CT { |
| var PGW_Session_CT vc_conn; |
| var SessionPars pars := valueof(t_SessionPars('001010123456789'H, |
| "tun22", |
| rat_type := GTP2C_RAT_WLAN)); |
| f_init(); |
| vc_conn := f_start_handler(refers(f_TC_s2b_createSession_v4_apco), pars); |
| vc_conn.done; |
| } |
| |
| control { |
| execute( TC_tx_echo() ); |
| execute( TC_createSession() ); |
| execute( TC_createSession_ping4() ); |
| execute( TC_createSession_ping4_256() ); |
| execute( TC_createSession_deleteSession() ); |
| execute( TC_deleteSession_unknown() ); |
| execute( TC_gy_charging_cc_time() ); |
| execute( TC_gy_ccr_update_rejected() ); |
| execute( TC_s2b_createSession_v4_noapco() ); |
| execute( TC_s2b_createSession_v4_apco() ); |
| } |
| |
| |
| } |