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osmo-ttcn3-hacks
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sgsn: TC_sgsn_context_req_in: match MM Context & GSN Address IEs 

Change-Id: Ie68794c309e548279381d044a3e34dcdf405084f
Related: SYS#6603, OS#6294
This commit is contained in:
Vadim Yanitskiy 2024-04-19 01:46:07 +07:00
parent acd0b39f79
commit 74b12c7592
2 changed files with 45 additions and 3 deletions
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31
library/GTPv1C_Templates.ttcn
View File

@ -341,7 +341,8 @@ module GTPv1C_Templates {
/* 7.7.28 MM Context */
template (value) MM_Context ts_MM_ContextGSM(template (value) OCT8 kc,
template (value) BIT3 cksn := '000'B,
template (value) BIT3 gea := '000'B) := {
template (value) BIT3 gea := '000'B,
template (value) octetstring triplet := ''O) := {
type_gtpc := '81'O,
context := {
mmcontGSM := {
@ -352,7 +353,7 @@ module GTPv1C_Templates {
noofVectors := 0, /* overwritten */
security := '01'B, /* GSM key and triplets */
kc := kc,
triplet := ''O,
triplet := triplet,
drx_par := '0000'O,
msNetW_cap_length := 0, /* overwritten */
msNetw_cap := omit,
@ -363,6 +364,32 @@ module GTPv1C_Templates {
}
}
}
template (present) MM_Context tr_MM_ContextGSM(template (present) OCT8 kc := ?,
template (present) BIT3 cksn := ?,
template (present) BIT3 gea := ?,
template (present) octetstring triplet := ?) := {
type_gtpc := '81'O,
context := {
mmcontGSM := {
lengthf := ?,
cksn := cksn,
spare := ?,
usedCipher := gea,
noofVectors := ?,
security := '01'B, /* GSM key and triplets */
kc := kc,
triplet := triplet,
drx_par := ?,
msNetW_cap_length := ?,
msNetw_cap := *,
containerLength := ?,
container := *,
access_restriction_data_length := ?,
access_restriction_data := *
}
}
}
template (value) MM_Context ts_MM_ContextUMTS(template (value) OCT16 ck,
template (value) OCT16 ik) := {
type_gtpc := '81'O,

17
sgsn/SGSN_Tests.ttcn
View File

@ -3757,7 +3757,22 @@ private function f_TC_sgsn_context_req_in(charstring id) runs on BSSGP_ConnHdlr
var template (present) GTPC_PDUs ctx_rsp;
ctx_rsp := tr_SGSNContextRespPDU(cause := GTP_CAUSE_REQUEST_ACCEPTED,
imsi := g_pars.imsi);
/* TODO: match MM/PDP Context, GSN Address */
/* SGSN Address for Control Plane */
var octetstring sgsn_addr := f_inet_addr(mp_sgsn_gtp_ip);
ctx_rsp.sgsn_ContextResponse.sgsn_addr_controlPlane := tr_GsnAddr(sgsn_addr);
/* Match MM Context */
if (ispresent(g_pars.vec)) {
/* XXX: this is only valid for GERAN */
var octetstring triplet := g_pars.vec.rand & g_pars.vec.sres & g_pars.vec.kc;
ctx_rsp.sgsn_ContextResponse.mm_Context := tr_MM_ContextGSM(kc := g_pars.vec.kc,
triplet := triplet);
/* TODO: 7.5.4 "The IMEISV shall, if available, be included in the MM Context".
* See also 3GPP TS 29.060, section 7.7.28 and Table 47A */
}
/* TODO: match PDP Context */
T.start(2.0);
alt {