| module GSUP_Types { |
| |
| /* GSUP_Types, defining abstract TTCN-3 data types for the GSUP protocol. |
| * |
| * GSUP is a non-standard protocol used between OsmoMSC/OsmoSGSN and OsmoHLR |
| * in order to replace the complex TCAP/MAP protocol. |
| * |
| * (C) 2017 by Harald Welte <laforge@gnumonks.org> |
| * All rights reserved. |
| * |
| * Released under the terms of GNU General Public License, Version 2 or |
| * (at your option) any later version. |
| */ |
| |
| import from General_Types all; |
| import from Osmocom_Types all; |
| |
| type enumerated GSUP_IEI { |
| OSMO_GSUP_IMSI_IE ('01'O), |
| OSMO_GSUP_CAUSE_IE ('02'O), |
| OSMO_GSUP_AUTH_TUPLE_IE ('03'O), |
| OSMO_GSUP_PDP_INFO_COMPL_IE ('04'O), |
| OSMO_GSUP_PDP_INFO_IE ('05'O), |
| OSMO_GSUP_CANCEL_TYPE_IE ('06'O), |
| OSMO_GSUP_FREEZE_PTMSI_IE ('07'O), |
| OSMO_GSUP_MSISDN_IE ('08'O), |
| OSMO_GSUP_HLR_NUMBER_IE ('09'O), |
| OSMO_GSUP_PDP_CONTEXT_ID_IE ('10'O), |
| OSMO_GSUP_PDP_TYPE_IE ('11'O), |
| OSMO_GSUP_ACCESS_POINT_NAME_IE ('12'O), |
| OSMO_GSUP_PDP_QOS_IE ('13'O), |
| OSMO_GSUP_CHARG_CHAR_IE ('14'O), |
| |
| OSMO_GSUP_RAND_IE ('20'O), |
| OSMO_GSUP_SRES_IE ('21'O), |
| OSMO_GSUP_KC_IE ('22'O), |
| OSMO_GSUP_IK_IE ('23'O), |
| OSMO_GSUP_CK_IE ('24'O), |
| OSMO_GSUP_AUTN_IE ('25'O), |
| OSMO_GSUP_AUTS_IE ('26'O), |
| OSMO_GSUP_RES_IE ('27'O), |
| OSMO_GSUP_CN_DOMAIN_IE ('28'O), |
| |
| OSMO_GSUP_SESSION_ID_IE ('30'O), |
| OSMO_GSUP_SESSION_STATE_IE ('31'O), |
| OSMO_GSUP_SS_INFO_IE ('35'O) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type enumerated GSUP_MessageType { |
| OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST ('00000100'B), |
| OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR ('00000101'B), |
| OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT ('00000110'B), |
| |
| OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST ('00001000'B), |
| OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR ('00001001'B), |
| OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT ('00001010'B), |
| |
| OSMO_GSUP_MSGT_AUTH_FAIL_REPORT ('00001011'B), |
| |
| OSMO_GSUP_MSGT_PURGE_MS_REQUEST ('00001100'B), |
| OSMO_GSUP_MSGT_PURGE_MS_ERROR ('00001101'B), |
| OSMO_GSUP_MSGT_PURGE_MS_RESULT ('00001110'B), |
| |
| OSMO_GSUP_MSGT_INSERT_DATA_REQUEST ('00010000'B), |
| OSMO_GSUP_MSGT_INSERT_DATA_ERROR ('00010001'B), |
| OSMO_GSUP_MSGT_INSERT_DATA_RESULT ('00010010'B), |
| |
| OSMO_GSUP_MSGT_DELETE_DATA_REQUEST ('00010100'B), |
| OSMO_GSUP_MSGT_DELETE_DATA_ERROR ('00010101'B), |
| OSMO_GSUP_MSGT_DELETE_DATA_RESULT ('00010110'B), |
| |
| OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST ('00011100'B), |
| OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR ('00011101'B), |
| OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT ('00011110'B), |
| |
| OSMO_GSUP_MSGT_PROC_SS_REQUEST ('00100000'B), |
| OSMO_GSUP_MSGT_PROC_SS_ERROR ('00100001'B), |
| OSMO_GSUP_MSGT_PROC_SS_RESULT ('00100010'B) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type enumerated GSUP_CancelType { |
| OSMO_GSUP_CANCEL_TYPE_UPDATE (0), |
| OSMO_GSUP_CANCEL_TYPE_WITHDRAW (1) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type enumerated GSUP_CnDomain { |
| OSMO_GSUP_CN_DOMAIN_PS (1), |
| OSMO_GSUP_CN_DOMAIN_CS (2) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type enumerated GSUP_SessionState { |
| OSMO_GSUP_SESSION_STATE_NONE (0), |
| OSMO_GSUP_SESSION_STATE_BEGIN (1), |
| OSMO_GSUP_SESSION_STATE_CONTINUE (2), |
| OSMO_GSUP_SESSION_STATE_END (3) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type record GSUP_MSISDN { |
| uint8_t len, |
| hexstring digits optional |
| } with { variant (len) "LENGTHTO(digits)" }; |
| |
| type record GSUP_IE { |
| GSUP_IEI tag, |
| uint8_t len, |
| GSUP_IeValue val |
| } with { variant (len) "LENGTHTO(val)" |
| variant (val) "CROSSTAG(imsi, tag = OSMO_GSUP_IMSI_IE; |
| cause, tag = OSMO_GSUP_CAUSE_IE; |
| cancel_type, tag = OSMO_GSUP_CANCEL_TYPE_IE; |
| auth_tuple, tag = OSMO_GSUP_AUTH_TUPLE_IE; |
| auts, tag = OSMO_GSUP_AUTS_IE; |
| rand, tag = OSMO_GSUP_RAND_IE; |
| sres, tag = OSMO_GSUP_SRES_IE; |
| kc, tag = OSMO_GSUP_KC_IE; |
| ik, tag = OSMO_GSUP_IK_IE; |
| ck, tag = OSMO_GSUP_CK_IE; |
| autn, tag = OSMO_GSUP_AUTN_IE; |
| res, tag = OSMO_GSUP_RES_IE; |
| msisdn, tag = OSMO_GSUP_MSISDN_IE; |
| hlr_number, tag = OSMO_GSUP_HLR_NUMBER_IE; |
| cn_domain, tag = OSMO_GSUP_CN_DOMAIN_IE; |
| pdp_info, tag = OSMO_GSUP_PDP_INFO_IE; |
| apn, tag = OSMO_GSUP_ACCESS_POINT_NAME_IE; |
| pdp_qos, tag = OSMO_GSUP_PDP_QOS_IE; |
| pdp_type, tag = OSMO_GSUP_PDP_TYPE_IE; |
| charg_char, tag = OSMO_GSUP_CHARG_CHAR_IE; |
| session_state, tag = OSMO_GSUP_SESSION_STATE_IE; |
| session_id, tag = OSMO_GSUP_SESSION_ID_IE; |
| ss_info, tag = OSMO_GSUP_SS_INFO_IE; |
| )" |
| }; |
| |
| type record of GSUP_IE GSUP_IEs; |
| |
| type union GSUP_IeValue { |
| hexstring imsi, |
| integer cause, |
| GSUP_CancelType cancel_type, |
| //boolean pdp_info_compl, |
| //boolean freeze_ptmsi, |
| GSUP_IEs auth_tuple, |
| octetstring auts, |
| octetstring rand, |
| octetstring sres, |
| octetstring kc, |
| octetstring ik, |
| octetstring ck, |
| octetstring autn, |
| octetstring res, |
| GSUP_MSISDN msisdn, |
| octetstring hlr_number, |
| GSUP_CnDomain cn_domain, |
| /* PDP context + nested IEs */ |
| GSUP_IEs pdp_info, |
| octetstring apn, |
| octetstring pdp_qos, |
| OCT2 pdp_type, |
| octetstring charg_char, |
| /* Session information */ |
| GSUP_SessionState session_state, |
| OCT4 session_id, |
| /* Supplementary Services */ |
| octetstring ss_info |
| }; |
| |
| type record GSUP_PDU { |
| GSUP_MessageType msg_type, |
| GSUP_IEs ies |
| }; |
| |
| external function enc_GSUP_PDU(in GSUP_PDU msg) return octetstring |
| with { extension "prototype(convert) encode(RAW)" }; |
| |
| external function dec_GSUP_PDU(in octetstring msg) return GSUP_PDU |
| with { extension "prototype(convert) decode(RAW)" }; |
| |
| function f_gsup_postprocess_decoded(inout GSUP_PDU gsup) { |
| if (gsup.ies[0].tag == OSMO_GSUP_IMSI_IE) { |
| /* if last digit is 'F', then there's an odd number of digits and we must strip the F */ |
| var integer num_digits := lengthof(gsup.ies[0].val.imsi); |
| if (gsup.ies[0].val.imsi[num_digits-1] == 'F'H) { |
| gsup.ies[0].val.imsi := substr(gsup.ies[0].val.imsi, 0, num_digits-1); |
| } |
| } |
| } |
| |
| function f_gsup_preprocess_encoded(inout GSUP_PDU gsup) { |
| if (ischosen(gsup.ies[0].val.imsi)) { |
| /* if number of digits is odd, add a 'F' as padding at the end */ |
| var integer num_digits := lengthof(gsup.ies[0].val.imsi); |
| if (num_digits rem 2 == 1) { |
| gsup.ies[0].val.imsi := gsup.ies[0].val.imsi & 'F'H; |
| } |
| } |
| } |
| |
| template (value) GSUP_MSISDN ts_GSUP_MSISDN(hexstring digits, |
| BIT3 ton := '000'B, |
| BIT4 npi := '0000'B) := { |
| len := 0, /* overwritten */ |
| /* numberingPlanIdentification := npi, |
| typeOfNumber := ton, |
| ext1 := '0'B, */ |
| digits := digits |
| } |
| |
| template GSUP_MSISDN tr_GSUP_MSISDN(template hexstring digits, |
| template BIT3 ton := ?, |
| template BIT4 npi := ?) := { |
| len := ?, |
| /* numberingPlanIdentification := npi, |
| typeOfNumber := ton, |
| ext1 := '0'B, */ |
| digits := digits |
| } |
| |
| |
| |
| template GSUP_IE ts_GSUP_IE_AuthTuple2G(octetstring rand, octetstring sres, |
| octetstring kc) := { |
| tag := OSMO_GSUP_AUTH_TUPLE_IE, |
| len := 0, /* overwritten */ |
| val := { |
| auth_tuple := { |
| valueof(ts_GSUP_IE_RAND(rand)), |
| valueof(ts_GSUP_IE_SRES(sres)), |
| valueof(ts_GSUP_IE_Kc(kc)) |
| } |
| } |
| } |
| |
| template GSUP_IE ts_GSUP_IE_AuthTuple2G3G(octetstring rand, octetstring sres, |
| octetstring kc, octetstring ik, |
| octetstring ck, octetstring autn, |
| octetstring res) := { |
| tag := OSMO_GSUP_AUTH_TUPLE_IE, |
| len := 0, /* overwritten */ |
| val := { |
| auth_tuple := { |
| valueof(ts_GSUP_IE_RAND(rand)), |
| valueof(ts_GSUP_IE_SRES(sres)), |
| valueof(ts_GSUP_IE_Kc(kc)), |
| valueof(ts_GSUP_IE_IK(ik)), |
| valueof(ts_GSUP_IE_CK(ck)), |
| valueof(ts_GSUP_IE_AUTN(autn)), |
| valueof(ts_GSUP_IE_RES(res)) |
| } |
| } |
| } |
| |
| template GSUP_IE ts_GSUP_IE_PdpInfo(octetstring apn, octetstring pdp_type, octetstring pdp_qos) := { |
| tag := OSMO_GSUP_PDP_INFO_IE, |
| len := 0, /* overwritten */ |
| val := { |
| pdp_info := { |
| valueof(ts_GSUP_IE_APN(apn)), |
| valueof(ts_GSUP_IE_PDP_TYPE(pdp_type)), |
| valueof(ts_GSUP_IE_PDP_QOS(pdp_qos)) |
| } |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_PDP_TYPE(OCT2 pdp_type) := { |
| tag := OSMO_GSUP_PDP_TYPE_IE, |
| len := 0, |
| val := { |
| pdp_type := pdp_type |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_PDP_QOS(octetstring pdp_qos) := { |
| tag := OSMO_GSUP_PDP_QOS_IE, |
| len := 0, |
| val := { |
| pdp_qos := pdp_qos |
| } |
| } |
| |
| |
| template GSUP_PDU tr_GSUP(template GSUP_MessageType msgt := ?, template GSUP_IEs ies := *) := { |
| msg_type := msgt, |
| ies := ies |
| } |
| |
| template GSUP_PDU tr_GSUP_IMSI(template GSUP_MessageType msgt := ?, template hexstring imsi) := { |
| msg_type := msgt, |
| ies := { tr_GSUP_IE_IMSI(imsi), * } |
| } |
| |
| template GSUP_PDU ts_GSUP(GSUP_MessageType msgt, GSUP_IEs ies := {}) := { |
| msg_type := msgt, |
| ies := ies |
| } |
| |
| template (value) GSUP_PDU ts_GSUP_SAI_REQ(hexstring imsi) := |
| ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { valueof(ts_GSUP_IE_IMSI(imsi)) }); |
| |
| template GSUP_PDU tr_GSUP_SAI_REQ(template hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, imsi); |
| |
| template GSUP_PDU tr_GSUP_SAI_REQ_UMTS_AKA_RESYNC( |
| template hexstring imsi, |
| template octetstring auts, |
| template octetstring rand) := |
| tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { |
| tr_GSUP_IE_IMSI(imsi), |
| tr_GSUP_IE_AUTS(auts), |
| tr_GSUP_IE_RAND(rand), |
| * |
| }); |
| |
| template (value) GSUP_PDU ts_GSUP_SAI_RES(hexstring imsi, GSUP_IE auth_tuple) := |
| ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), auth_tuple }); |
| |
| template GSUP_PDU tr_GSUP_SAI_ERR(template hexstring imsi, template integer cause) := |
| tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR, { |
| tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) }); |
| |
| template (value) GSUP_PDU ts_GSUP_SAI_ERR(hexstring imsi, integer cause) := |
| ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_Cause(cause)) }); |
| |
| |
| template GSUP_PDU tr_GSUP_SAI_RES(template hexstring imsi) := |
| tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT, { |
| tr_GSUP_IE_IMSI(imsi), *, tr_GSUP_IE(OSMO_GSUP_AUTH_TUPLE_IE), * }); |
| |
| template (value) GSUP_PDU ts_GSUP_UL_REQ(hexstring imsi) := |
| ts_GSUP(OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST, { |
| valueof(ts_GSUP_IE_IMSI(imsi)) }); |
| |
| template GSUP_PDU tr_GSUP_UL_REQ(template hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST, imsi); |
| |
| template (value) GSUP_PDU ts_GSUP_UL_RES(hexstring imsi) := |
| ts_GSUP(OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT, { valueof(ts_GSUP_IE_IMSI(imsi)) }); |
| |
| template GSUP_PDU tr_GSUP_UL_RES(template hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT, imsi); |
| |
| template (value) GSUP_PDU ts_GSUP_UL_ERR(hexstring imsi, integer cause) := |
| ts_GSUP(OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_Cause(cause)) }); |
| |
| template GSUP_PDU tr_GSUP_UL_ERR(template hexstring imsi, template integer cause := ?) := |
| tr_GSUP(OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR, { |
| tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) }); |
| |
| template (value) GSUP_PDU ts_GSUP_ISD_REQ(hexstring imsi, hexstring msisdn) := |
| ts_GSUP(OSMO_GSUP_MSGT_INSERT_DATA_REQUEST, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_MSISDN(msisdn)) }); |
| |
| template GSUP_PDU tr_GSUP_ISD_REQ(template hexstring imsi, template hexstring msisdn := ?) := |
| tr_GSUP(OSMO_GSUP_MSGT_INSERT_DATA_REQUEST, { |
| tr_GSUP_IE_IMSI(imsi), *, tr_GSUP_IE_MSISDN(msisdn), * }); |
| |
| template (value) GSUP_PDU ts_GSUP_ISD_RES(hexstring imsi) := |
| ts_GSUP(OSMO_GSUP_MSGT_INSERT_DATA_RESULT, { |
| valueof(ts_GSUP_IE_IMSI(imsi)) }); |
| |
| template GSUP_PDU tr_GSUP_ISD_RES(template hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_INSERT_DATA_RESULT, imsi); |
| |
| template GSUP_PDU tr_GSUP_AUTH_FAIL_IND(hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_AUTH_FAIL_REPORT, imsi); |
| |
| template (value) GSUP_PDU ts_GSUP_CL_REQ(hexstring imsi, GSUP_CancelType ctype) := |
| ts_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_CancelType(ctype)) }); |
| |
| template GSUP_PDU tr_GSUP_CL_RES(template hexstring imsi) := |
| tr_GSUP_IMSI(OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT, imsi); |
| |
| template GSUP_PDU tr_GSUP_CL_ERR(template hexstring imsi, template integer cause := ?) := |
| tr_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR, { |
| tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause), * }); |
| |
| template (value) GSUP_PDU ts_GSUP_PURGE_MS_REQ(hexstring imsi, GSUP_CnDomain dom) := |
| ts_GSUP(OSMO_GSUP_MSGT_PURGE_MS_REQUEST, { |
| valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_CnDomain(dom)) }); |
| |
| template GSUP_PDU tr_GSUP_PURGE_MS_REQ(template hexstring imsi, template GSUP_CnDomain dom := ?) := |
| tr_GSUP(OSMO_GSUP_MSGT_PURGE_MS_REQUEST, { |
| tr_GSUP_IE_IMSI(imsi), *, tr_GSUP_IE_CnDomain(dom) }); |
| |
| template (value) GSUP_PDU ts_GSUP_PURGE_MS_RES(hexstring imsi) := |
| ts_GSUP(OSMO_GSUP_MSGT_PURGE_MS_RESULT, { |
| valueof(ts_GSUP_IE_IMSI(imsi)) }); |
| |
| template GSUP_PDU tr_GSUP_PURGE_MS_RES(template hexstring imsi) := |
| tr_GSUP(OSMO_GSUP_MSGT_PURGE_MS_RESULT, { |
| tr_GSUP_IE_IMSI(imsi), * }); |
| |
| template GSUP_PDU tr_GSUP_PURGE_MS_ERR(template hexstring imsi, template integer cause) := |
| tr_GSUP(OSMO_GSUP_MSGT_PURGE_MS_ERROR, { |
| tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) }); |
| |
| |
| template (value) GSUP_IE ts_GSUP_IE_CancelType(GSUP_CancelType ctype) := { |
| tag := OSMO_GSUP_CANCEL_TYPE_IE, |
| len := 0, /* overwritten */ |
| val := { |
| cancel_type := ctype |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_CancelType(template GSUP_CancelType ctype) := |
| tr_GSUP_IE(OSMO_GSUP_CANCEL_TYPE_IE, GSUP_IeValue:{cancel_type:=ctype}); |
| |
| template GSUP_IE tr_GSUP_IE_CnDomain(template GSUP_CnDomain domain) := |
| tr_GSUP_IE(OSMO_GSUP_CN_DOMAIN_IE, GSUP_IeValue:{cn_domain:=domain}); |
| |
| template GSUP_IE tr_GSUP_IE(template GSUP_IEI iei, template GSUP_IeValue val := ?) := { |
| tag := iei, |
| len := ?, |
| val := val |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_IMSI(hexstring imsi) := { |
| tag := OSMO_GSUP_IMSI_IE, |
| len := 0, /* overwritten */ |
| val := { |
| imsi := imsi |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_IMSI(template hexstring imsi) := { |
| tag := OSMO_GSUP_IMSI_IE, |
| len := ?, |
| val := { |
| imsi := imsi |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_MSISDN(hexstring msisdn) := { |
| tag := OSMO_GSUP_MSISDN_IE, |
| len := 0, /* overwritten */ |
| val := { |
| msisdn := ts_GSUP_MSISDN(msisdn) |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_MSISDN(template hexstring msisdn) := { |
| tag := OSMO_GSUP_MSISDN_IE, |
| len := ?, |
| val := { |
| msisdn := tr_GSUP_MSISDN(msisdn) |
| } |
| } |
| |
| |
| template (value) GSUP_IE ts_GSUP_IE_Cause(integer cause) := { |
| tag := OSMO_GSUP_CAUSE_IE, |
| len := 0, /* overwritten */ |
| val := { |
| cause := cause |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_Cause(template integer cause) := { |
| tag := OSMO_GSUP_CAUSE_IE, |
| len := ?, |
| val := { |
| cause := cause |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_AUTS(octetstring auts) := { |
| tag := OSMO_GSUP_AUTS_IE, |
| len := 0, /* overwritten */ |
| val := { |
| auts := auts |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_AUTS(template octetstring auts) := { |
| tag := OSMO_GSUP_AUTS_IE, |
| len := ?, |
| val := { |
| auts := auts |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_RAND(octetstring rand) := { |
| tag := OSMO_GSUP_RAND_IE, |
| len := 0, /* overwritten */ |
| val := { |
| rand := rand |
| } |
| } |
| |
| template GSUP_IE tr_GSUP_IE_RAND(template octetstring rand) := { |
| tag := OSMO_GSUP_RAND_IE, |
| len := ?, |
| val := { |
| rand := rand |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_SRES(octetstring sres) := { |
| tag := OSMO_GSUP_SRES_IE, |
| len := 0, /* overwritten */ |
| val := { |
| sres := sres |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_Kc(octetstring kc) := { |
| tag := OSMO_GSUP_KC_IE, |
| len := 0, /* overwritten */ |
| val := { |
| kc := kc |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_IK(octetstring ik) := { |
| tag := OSMO_GSUP_IK_IE, |
| len := 0, /* overwritten */ |
| val := { |
| ik := ik |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_CK(octetstring ck) := { |
| tag := OSMO_GSUP_CK_IE, |
| len := 0, /* overwritten */ |
| val := { |
| ck := ck |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_AUTN(octetstring autn) := { |
| tag := OSMO_GSUP_AUTN_IE, |
| len := 0, /* overwritten */ |
| val := { |
| autn := autn |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_RES(octetstring res) := { |
| tag := OSMO_GSUP_RES_IE, |
| len := 0, /* overwritten */ |
| val := { |
| res := res |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_APN(octetstring apn) := { |
| tag := OSMO_GSUP_ACCESS_POINT_NAME_IE, |
| len := 0, /* overwritten */ |
| val := { |
| apn := apn |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_CnDomain(GSUP_CnDomain dom) := { |
| tag := OSMO_GSUP_CN_DOMAIN_IE, |
| len := 0, /* overwritten */ |
| val := { |
| cn_domain := dom |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_SessionId(OCT4 sid) := { |
| tag := OSMO_GSUP_SESSION_ID_IE, |
| len := 0, /* overwritten */ |
| val := { |
| session_id := sid |
| } |
| } |
| template GSUP_IE tr_GSUP_IE_SessionId(template OCT4 sid) := { |
| tag := OSMO_GSUP_SESSION_ID_IE, |
| len := ?, |
| val := { |
| session_id := sid |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_SessionState(GSUP_SessionState state) := { |
| tag := OSMO_GSUP_SESSION_STATE_IE, |
| len := 0, /* overwritten */ |
| val := { |
| session_state := state |
| } |
| } |
| template GSUP_IE tr_GSUP_IE_SessionState(template GSUP_SessionState state) := { |
| tag := OSMO_GSUP_SESSION_STATE_IE, |
| len := ?, |
| val := { |
| session_state := state |
| } |
| } |
| |
| template (value) GSUP_IE ts_GSUP_IE_SSInfo(octetstring ss) := { |
| tag := OSMO_GSUP_SS_INFO_IE, |
| len := 0, /* overwritten */ |
| val := { |
| ss_info := ss |
| } |
| } |
| template GSUP_IE tr_GSUP_IE_SSInfo(template octetstring ss) := { |
| tag := OSMO_GSUP_SS_INFO_IE, |
| len := ?, |
| val := { |
| ss_info := ss |
| } |
| } |
| |
| private function f_gen_ts_ss_ies( |
| hexstring imsi, |
| OCT4 sid, |
| GSUP_SessionState state, |
| template (omit) octetstring ss |
| ) return GSUP_IEs { |
| /* Mandatory IEs */ |
| var GSUP_IEs ies := { |
| valueof(ts_GSUP_IE_IMSI(imsi)), |
| valueof(ts_GSUP_IE_SessionId(sid)), |
| valueof(ts_GSUP_IE_SessionState(state)) |
| }; |
| |
| /* Optional SS payload */ |
| if (isvalue(ss)) { |
| ies[3] := valueof(ts_GSUP_IE_SSInfo(valueof(ss))); |
| } |
| |
| return ies; |
| } |
| private function f_gen_tr_ss_ies( |
| template hexstring imsi, |
| template OCT4 sid := ?, |
| template GSUP_SessionState state := ?, |
| template octetstring ss := ? |
| ) return template GSUP_IEs { |
| /* Mandatory IEs */ |
| var template GSUP_IEs ies := { |
| tr_GSUP_IE_IMSI(imsi), |
| tr_GSUP_IE_SessionId(sid), |
| tr_GSUP_IE_SessionState(state) |
| }; |
| |
| /* Optional SS payload */ |
| if (istemplatekind(ss, "*")) { |
| ies[3] := *; |
| } else if (not istemplatekind(ss, "omit")) { |
| ies[3] := tr_GSUP_IE_SSInfo(ss); |
| } |
| |
| return ies; |
| } |
| |
| template (value) GSUP_PDU ts_GSUP_PROC_SS_REQ( |
| hexstring imsi, |
| OCT4 sid, |
| GSUP_SessionState state, |
| template (omit) octetstring ss := omit |
| ) := ts_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_REQUEST, |
| f_gen_ts_ss_ies(imsi, sid, state, ss) |
| ); |
| template GSUP_PDU tr_GSUP_PROC_SS_REQ( |
| template hexstring imsi, |
| template OCT4 sid := ?, |
| template GSUP_SessionState state := ?, |
| template octetstring ss := * |
| ) := tr_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_REQUEST, |
| f_gen_tr_ss_ies(imsi, sid, state, ss) |
| ); |
| |
| template (value) GSUP_PDU ts_GSUP_PROC_SS_RES( |
| hexstring imsi, |
| OCT4 sid, |
| GSUP_SessionState state, |
| template (omit) octetstring ss := omit |
| ) := ts_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_RESULT, |
| f_gen_ts_ss_ies(imsi, sid, state, ss) |
| ); |
| template GSUP_PDU tr_GSUP_PROC_SS_RES( |
| template hexstring imsi, |
| template OCT4 sid := ?, |
| template GSUP_SessionState state := ?, |
| template octetstring ss := * |
| ) := tr_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_RESULT, |
| f_gen_tr_ss_ies(imsi, sid, state, ss) |
| ); |
| |
| template (value) GSUP_PDU ts_GSUP_PROC_SS_ERR( |
| hexstring imsi, |
| OCT4 sid, |
| GSUP_SessionState state, |
| integer cause |
| ) := ts_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_ERROR, |
| { |
| valueof(ts_GSUP_IE_IMSI(imsi)), |
| valueof(ts_GSUP_IE_Cause(cause)), |
| valueof(ts_GSUP_IE_SessionId(sid)), |
| valueof(ts_GSUP_IE_SessionState(state)) |
| } |
| ); |
| template GSUP_PDU tr_GSUP_PROC_SS_ERR( |
| template hexstring imsi, |
| template OCT4 sid := ?, |
| template GSUP_SessionState state := ?, |
| template integer cause := ? |
| ) := tr_GSUP( |
| OSMO_GSUP_MSGT_PROC_SS_ERROR, |
| { |
| tr_GSUP_IE_IMSI(imsi), |
| tr_GSUP_IE_Cause(cause), |
| tr_GSUP_IE_SessionId(sid), |
| tr_GSUP_IE_SessionState(state) |
| } |
| ); |
| |
| function f_gsup_find_ie(GSUP_PDU msg, GSUP_IEI iei, out GSUP_IeValue ret) return boolean { |
| for (var integer i := 0; i < sizeof(msg.ies); i := i+1) { |
| if (msg.ies[i].tag == iei) { |
| ret := msg.ies[i].val; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| } with { encode "RAW"; variant "FIELDORDER(msb)" } |