Change in osmo-ttcn3-hacks[master]: sgsn: add TC_iu_attach_encr with UEA > 0

neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27428 ) Change subject: sgsn: add TC_iu_attach_encr with UEA > 0 ...................................................................... sgsn: add TC_iu_attach_encr with UEA > 0 Test new osmo-sgsn Iu attach with UEA (encryption) enabled Related: SYS#5516 Depends: I27e8e0078c45426bf227bb44aac82a4875d18d0f (osmo-sgsn) Change-Id: I1a7c3b156830058c43f15f55883ea301d2d01d5f --- M sgsn/SGSN_Tests.ttcn M sgsn/SGSN_Tests_Iu.ttcn 2 files changed, 60 insertions(+), 8 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/28/27428/1 diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn index c29095f..9c68753 100644 --- a/sgsn/SGSN_Tests.ttcn +++ b/sgsn/SGSN_Tests.ttcn @@ -465,13 +465,13 @@ /* helper function to create, connect and start a BSSGP_ConnHdlr component */ function f_start_handler(void_fn fn, charstring id, GbInstances gb, integer imsi_suffix, - float t_guard := 30.0) + float t_guard := 30.0, boolean expect_ciph := false) runs on test_CT return BSSGP_ConnHdlr { var BSSGP_ConnHdlr vc_conn; var SGSN_ConnHdlrNetworkPars net_pars := { expect_ptmsi := true, expect_auth := true, - expect_ciph := false + expect_ciph := expect_ciph }; var BSSGP_ConnHdlrPars pars := { imei := f_gen_imei(imsi_suffix), @@ -687,6 +687,37 @@ return l3_mt; } +/* (copied from msc/BSC_ConnectionHandler.ttcn) */ +private function f_mm_ciph_utran() runs on BSSGP_ConnHdlr +{ + alt { + [g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmdEnc(uia_algs := ?, + uia_key := oct2bit(g_pars.vec.ik), + key_sts := ?, + uea_algs := ?, + uea_key := oct2bit(g_pars.vec.ck))) { + var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1*/ + var EncryptionAlgorithm uea_chosen := 1; /*standard_UMTS_encryption_algorith_UEA1*/ + BSSAP.send(ts_RANAP_SecurityModeCompleteEnc(uia_chosen, uea_chosen)); + } + [g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmdEnc(?,?,?,?,?)) { + setverdict(fail, "Invalid SecurityModeCommand (ciphering case)"); + mtc.stop; + } + [not g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmd(uia_algs := ?, + uia_key := oct2bit(g_pars.vec.ik), + key_sts := ?)) { + var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1;*/ + BSSAP.send(ts_RANAP_SecurityModeComplete(uia_chosen)); + } + [not g_pars.net.expect_ciph] BSSAP.receive(tr_RANAP_SecurityModeCmd(?,?,?)) { + setverdict(fail, "Invalid SecurityModeCommand (non-ciphering case)"); + mtc.stop; + } + } +} + + /* perform GMM authentication (if expected). * Note, for umts_aka_challenge to work, the revisionLevelIndicatior needs to * be 1 to mark R99 capability, in the GMM Attach Request, see f_gmm_attach(). */ @@ -754,12 +785,8 @@ /* Security Mode Command + Complete on Iu case */ if (is_iu(ran_index)) { - BSSAP.receive(tr_RANAP_SecurityModeCmd(uia_algs := ?, uia_key := oct2bit(g_pars.vec.ik), - key_sts := ?)) { - var IntegrityProtectionAlgorithm uia_chosen := 0; /* 0 = standard_UMTS_integrity_algorithm_UIA1 */ - BSSAP.send(ts_RANAP_SecurityModeComplete(uia_chosen)); - BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi))) - } + f_mm_ciph_utran(); + BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi))); } } else { /* wait for identity procedure */ diff --git a/sgsn/SGSN_Tests_Iu.ttcn b/sgsn/SGSN_Tests_Iu.ttcn index 2b63b4e..236a6a7 100644 --- a/sgsn/SGSN_Tests_Iu.ttcn +++ b/sgsn/SGSN_Tests_Iu.ttcn @@ -1,6 +1,7 @@ module SGSN_Tests_Iu { import from Osmocom_Types all; +import from Osmocom_VTY_Functions all; import from SGSN_Tests all; @@ -36,6 +37,29 @@ f_cleanup(); } +testcase TC_iu_attach_encr() runs on test_CT { + /* MS -> SGSN: Attach Request IMSI + * MS <- SGSN: Identity Request IMEI + * MS -> SGSN: Identity Response IMEI + * MS <- SGSN: Auth Request + * MS -> SGSN: Auth Response + * MS <- SGSN: Security Mode Command + * MS -> SGSN: Security Mode Complete + * hNodeB <- SGSN: Common Id + * MS <- SGSN: Attach Accept + * MS -> SGSN: Attach Complete + */ + var BSSGP_ConnHdlr vc_conn; + g_ranap_enable := true; + f_init(); + f_vty_config(SGSNVTY, "sgsn", "encryption uea 1 2"); + f_sleep(1.0); + vc_conn := f_start_handler(refers(f_TC_iu_attach), testcasename(), g_gb, 1001, expect_ciph := true); + vc_conn.done; + f_vty_config(SGSNVTY, "sgsn", "encryption uea 0"); + f_cleanup(); +} + private function f_TC_iu_attach_geran_rau(charstring id) runs on BSSGP_ConnHdlr { var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip)); @@ -85,6 +109,7 @@ control { execute( TC_iu_attach() ); + execute( TC_iu_attach_encr() ); execute( TC_iu_attach_geran_rau() ); execute( TC_geran_attach_iu_rau() ); } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27428 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I1a7c3b156830058c43f15f55883ea301d2d01d5f Gerrit-Change-Number: 27428 Gerrit-PatchSet: 1 Gerrit-Owner: neels &lt;nhofmeyr(a)sysmocom.de&gt; Gerrit-MessageType: newchange