Harald Welte has uploaded this change for review. (
https://gerrit.osmocom.org/13736
Change subject: msc: f_mm_auth(): Add support for UMTS AKA
......................................................................
msc: f_mm_auth(): Add support for UMTS AKA
Change-Id: Id57adcebd63a06cfa555824e493561fe08f13d6d
---
M msc/BSC_ConnectionHandler.ttcn
1 file changed, 28 insertions(+), 8 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/36/13736/1
diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index 4534a9b..e408f82 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -75,7 +75,8 @@
boolean mm_info,
boolean sgsap_enable,
boolean gsup_enable,
- integer ran_idx
+ integer ran_idx,
+ boolean use_umts_aka
};
/* get a one-octet bitmaks of supported algorithms based on Classmark
information */
@@ -293,15 +294,34 @@
function f_mm_auth() runs on BSC_ConnHdlr
{
if (g_pars.net.expect_auth) {
- g_pars.vec := f_gen_auth_vec_2g();
- var GSUP_IE auth_tuple :=
valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand,
-
g_pars.vec.sres,
-
g_pars.vec.kc));
+ var GSUP_IE auth_tuple;
GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi));
- GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));
-
BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_AUTH_REQ(g_pars.vec.rand)));
-
BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MT_MM_AUTH_RESP_2G(g_pars.vec.sres)));
+ if (g_pars.use_umts_aka) {
+ g_pars.vec := f_gen_auth_vec_3g();
+ auth_tuple :=
valueof(ts_GSUP_IE_AuthTuple2G3G(g_pars.vec.rand,
+
g_pars.vec.sres,
+
g_pars.vec.kc,
+
g_pars.vec.ik,
+
g_pars.vec.ck,
+
g_pars.vec.autn,
+
g_pars.vec.res));
+ GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));
+
+
BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_AUTH_REQ_3G(g_pars.vec.rand,
g_pars.vec.autn)));
+ var OCT4 res := substr(g_pars.vec.res, 0, 4);
+ var OCT4 xres := substr(g_pars.vec.res, 4, 4);
+
BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MT_MM_AUTH_RESP_3G(res, xres)));
+ } else {
+ g_pars.vec := f_gen_auth_vec_2g();
+ auth_tuple :=
valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand,
+
g_pars.vec.sres,
+
g_pars.vec.kc));
+ GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));
+
+
BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_AUTH_REQ(g_pars.vec.rand)));
+
BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MT_MM_AUTH_RESP_2G(g_pars.vec.sres)));
+ }
}
}
--
To view, visit https://gerrit.osmocom.org/13736
To unsubscribe, or for help writing mail filters, visit
https://gerrit.osmocom.org/settings
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Id57adcebd63a06cfa555824e493561fe08f13d6d
Gerrit-Change-Number: 13736
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte <[email protected]>
