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