| 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) |
| } 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) |
| } with { variant "FIELDLENGTH(8)" }; |
| |
| type enumerated GSUP_CancelType { |
| OSMO_GSUP_CANCEL_TYPE_UPDATE (1), |
| OSMO_GSUP_CANCEL_TYPE_WITHDRAW (2) |
| } 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 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; |
| auts, tag = OSMO_GSUP_AUTS_IE; |
| rand, tag = OSMO_GSUP_RAND_IE; |
| msisdn, tag = OSMO_GSUP_MSISDN_IE; |
| hlr_number, tag = OSMO_GSUP_HLR_NUMBER_IE; |
| cn_domain, tag = OSMO_GSUP_CN_DOMAIN_IE; |
| charg_char, tag = OSMO_GSUP_CHARG_CHAR_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 pdp_info, |
| GSUP_IEs auth_tuple, |
| octetstring auts, |
| octetstring rand, |
| hexstring msisdn, |
| octetstring hlr_number, |
| GSUP_CnDomain cn_domain, |
| octetstring charg_char |
| }; |
| |
| 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)" }; |
| |
| |
| template GSUP_PDU tr_GSUP(template GSUP_MessageType msgt := ?, template GSUP_IEs ies := *) := { |
| msg_type := msgt, |
| ies := ies |
| } |
| |
| template GSUP_PDU ts_GSUP(GSUP_MessageType msgt, GSUP_IEs ies := {}) := { |
| msg_type := msgt, |
| ies := ies |
| } |
| |
| template 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_ERR(template hexstring imsi, template integer cause) := |
| tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { |
| tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) }); |
| |
| template GSUP_PDU tr_GSUP_SAI_RES(template hexstring imsi) := |
| tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { |
| tr_GSUP_IE_IMSI(imsi), *, tr_GSUP_IE(OSMO_GSUP_AUTH_TUPLE_IE), * }); |
| |
| |
| |
| 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_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 (value) GSUP_IE ts_GSUP_IE_RAND(octetstring rand) := { |
| tag := OSMO_GSUP_RAND_IE, |
| len := 0, /* overwritten */ |
| val := { |
| rand := rand |
| } |
| } |
| |
| |
| |
| |
| } with { encode "RAW"; variant "FIELDORDER(msb)" } |