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osmo-ttcn3-hacks
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sgsn a54 tests 

This adds a few tests that ensure that the encryption algorithm dynamically chosen is
1) one actually supported by both the sgsn and the UE
2) the strongest one available both have in common

Change-Id: Iad65cbf9840aa883cb34e53554b94a4142c82638
Related: SYS#5324
This commit is contained in:
Eric Wild 2021-05-15 19:48:22 +02:00 committed by laforge
parent bd6e9a1da9
commit c555be597f
2 changed files with 127 additions and 0 deletions
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122
sgsn/SGSN_Tests.ttcn
View File

@ -2833,6 +2833,123 @@ testcase TC_attach_usim_resync() runs on test_CT {
f_cleanup();
}
private function f_TC_attach_usim_crypt(OCT1 netcap_a2345, BIT3 auth_req_ciph) runs on BSSGP_ConnHdlr {
var RoutingAreaIdentificationV old_ra := f_random_RAI();
var template PDU_L3_MS_SGSN attach_req := ts_GMM_ATTACH_REQ(f_mi_get_lv(), old_ra, false, false, omit, omit);
attach_req.msgs.gprs_mm.attachRequest.msNetworkCapability.msNetworkCapabilityV.spare_octets := netcap_a2345; /* GEA2345... */
/* send Attach Request */
/* indicate R99 capability of the MS to enable UMTS AKA in presence of
* 3G auth vectors */
attach_req.msgs.gprs_mm.attachRequest.msNetworkCapability.msNetworkCapabilityV.revisionLevelIndicatior := '1'B;
/* The thing is, if the solSACapability is 'omit', then the
* revisionLevelIndicatior is at the wrong place! */
attach_req.msgs.gprs_mm.attachRequest.msNetworkCapability.msNetworkCapabilityV.solSACapability := '0'B;
f_send_l3(attach_req);
/* do the auth */
var PDU_L3_MS_SGSN l3_mo;
var PDU_L3_SGSN_MS l3_mt;
var default di := activate(as_mm_identity());
var GSUP_IE auth_tuple;
var template AuthenticationParameterAUTNTLV autn;
g_pars.vec := f_gen_auth_vec_3g();
autn := {
elementIdentifier := '28'O,
lengthIndicator := lengthof(g_pars.vec.autn),
autnValue := g_pars.vec.autn
};
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));
log("GSUP sends 2G and 3G auth tuples", auth_tuple);
GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi));
GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));
var template PDU_L3_SGSN_MS auth_ciph_req := tr_GMM_AUTH_REQ(g_pars.vec.rand, auth_req_ciph);
auth_ciph_req.msgs.gprs_mm.authenticationAndCipheringRequest.authenticationParameterAUTN := autn;
BSSGP[0].receive(auth_ciph_req) -> value l3_mt;
setverdict(pass);
deactivate(di);
}
private function f_TC_attach_usim_a54_a54(charstring id) runs on BSSGP_ConnHdlr {
f_TC_attach_usim_crypt('10'O, '100'B);
}
private function f_TC_attach_usim_a54_a53(charstring id) runs on BSSGP_ConnHdlr {
f_TC_attach_usim_crypt('20'O, '011'B);
}
private function f_TC_attach_usim_a53_a54(charstring id) runs on BSSGP_ConnHdlr {
f_TC_attach_usim_crypt('30'O, '011'B);
}
private function f_TC_attach_usim_a50_a54(charstring id) runs on BSSGP_ConnHdlr {
f_TC_attach_usim_crypt('30'O, '000'B);
}
private function f_TC_attach_usim_a54_a50(charstring id) runs on BSSGP_ConnHdlr {
f_TC_attach_usim_crypt('00'O, '000'B);
}
testcase TC_attach_usim_a54_a54() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
f_vty_config(SGSNVTY, "sgsn", "encryption GEA0 GEA3 GEA4");
vc_conn := f_start_handler(refers(f_TC_attach_usim_a54_a54), testcasename(), g_gb, 40);
vc_conn.done;
f_cleanup();
}
testcase TC_attach_usim_a54_a53() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
f_vty_config(SGSNVTY, "sgsn", "encryption GEA0 GEA3 GEA4");
vc_conn := f_start_handler(refers(f_TC_attach_usim_a54_a53), testcasename(), g_gb, 40);
vc_conn.done;
f_cleanup();
}
testcase TC_attach_usim_a53_a54() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
f_vty_config(SGSNVTY, "sgsn", "encryption GEA0 GEA3");
vc_conn := f_start_handler(refers(f_TC_attach_usim_a53_a54), testcasename(), g_gb, 40);
vc_conn.done;
f_cleanup();
}
testcase TC_attach_usim_a50_a54() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
f_vty_config(SGSNVTY, "sgsn", "encryption GEA0");
vc_conn := f_start_handler(refers(f_TC_attach_usim_a50_a54), testcasename(), g_gb, 40);
vc_conn.done;
f_cleanup();
}
testcase TC_attach_usim_a54_a50() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
f_vty_config(SGSNVTY, "sgsn", "encryption GEA0 GEA3 GEA4");
vc_conn := f_start_handler(refers(f_TC_attach_usim_a54_a50), testcasename(), g_gb, 40);
vc_conn.done;
f_cleanup();
}
/* Send LLC NULL to see if the SGSN survives it (OS#3952) */
private function f_TC_llc_null(charstring id) runs on BSSGP_ConnHdlr {
@ -3506,6 +3623,11 @@ control {
execute( TC_attach_rau_a_a() );
execute( TC_attach_rau_a_b() );
execute( TC_attach_usim_resync() );
execute( TC_attach_usim_a54_a54() );
execute( TC_attach_usim_a54_a53() );
execute( TC_attach_usim_a53_a54() );
execute( TC_attach_usim_a50_a54() );
execute( TC_attach_usim_a54_a50() );
execute( TC_detach_unknown_nopoweroff() );
execute( TC_detach_unknown_poweroff() );
execute( TC_detach_nopoweroff() );

5
sgsn/expected-results.xml
View File

@ -37,6 +37,11 @@
<testcase classname='SGSN_Tests' name='TC_attach_rau_a_a' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_rau_a_b' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_resync' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_a54_a54' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_a54_a53' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_a53_a54' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_a50_a54' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_usim_a54_a50' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_detach_unknown_nopoweroff' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_detach_unknown_poweroff' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_detach_nopoweroff' time='MASKED'/>