100 lines
2.3 KiB
Plaintext
100 lines
2.3 KiB
Plaintext
/* Common L3 helper functions in TTCN-3
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* (C) 2018 Harald Welte <laforge@gnumonks.org>
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* contributions by sysmocom - s.f.m.c. GmbH
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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module L3_Common {
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import from Osmocom_Types all;
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import from General_Types all;
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import from MobileL3_GMM_SM_Types all;
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type record AuthVector {
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OCT16 rand,
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OCT4 sres,
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OCT8 kc,
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OCT16 ik,
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OCT16 ck,
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OCT16 autn,
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OCT8 res,
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/* auts is usally calculated from autn + rand on the MS.
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* To simplify the test case, auts is generated instead calculated here.
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*/
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OCT14 auts
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}
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function f_gen_auth_vec_2g() return AuthVector {
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var AuthVector vec;
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vec.rand := f_rnd_octstring(16);
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vec.sres := f_rnd_octstring(4);
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vec.kc := f_rnd_octstring(8);
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return vec;
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}
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function f_gen_auth_vec_3g() return AuthVector {
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var AuthVector vec := f_gen_auth_vec_2g();
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vec.ik := f_rnd_octstring(16);
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vec.ck := f_rnd_octstring(16);
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vec.autn := f_rnd_octstring(16);
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vec.res := f_rnd_octstring(8);
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vec.auts := f_rnd_octstring(14);
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return vec;
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}
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function f_RAI(HEX0_3n mcc, HEX0_3n mnc, OCT2 lac, OCT1 rac) return RoutingAreaIdentificationV {
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if (lengthof(mnc) == 2) {
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mnc := mnc & 'F'H;
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}
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var RoutingAreaIdentificationV ret := {
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mccDigit1 := mcc[0],
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mccDigit2 := mcc[1],
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mccDigit3 := mcc[2],
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mncDigit3 := mnc[2],
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mncDigit1 := mnc[0],
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mncDigit2 := mnc[1],
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lac := lac,
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rac := rac
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}
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return ret;
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}
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function f_RAI_to_plmn_hexstr(RoutingAreaIdentificationV rai) return hexstring {
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var hexstring plmn :=
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rai.mccDigit1
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& rai.mccDigit2
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& rai.mccDigit3
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& rai.mncDigit3
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& rai.mncDigit1
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& rai.mncDigit2;
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return plmn;
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}
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private function f_concat_pad(integer tot_len, hexstring prefix, integer suffix) return hexstring {
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var integer suffix_len := tot_len - lengthof(prefix);
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var charstring suffix_ch := int2str(suffix);
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var integer pad_len := suffix_len - lengthof(suffix_ch);
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return prefix & int2hex(0, pad_len) & str2hex(suffix_ch);
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}
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function f_gen_imei(integer suffix) return hexstring {
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return f_concat_pad(14, '49999'H, suffix);
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}
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function f_gen_imsi(integer suffix) return hexstring {
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return f_concat_pad(15, '26242'H, suffix);
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}
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function f_gen_msisdn(integer suffix) return hexstring {
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return f_concat_pad(12, '49123'H, suffix);
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}
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}
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