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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/10392 ) Change subject: sgsn: add TC_attach_gmm_attach_req_while_gmm_attach ...................................................................... sgsn: add TC_attach_gmm_attach_req_while_gmm_attach Testing the corner case of receiving an Attach Request while not (yet) sent an Attach Accept. MS -> SGSN: Attach Request IMSI MS <- SGSN: Identity Request IMSI (optional) MS -> SGSN: Identity Response IMSI (optional) MS <- SGSN: Identity Request IMEI MS -> SGSN: Attach Request (2nd) MS <- SGSN: Identity Response IMEI MS <- SGSN: Attach Accept MS -> SGSN: Attach Complete Change-Id: I0bac50dc5a72ba8f9010b05bcb98aa7ff0b81cf6 --- M sgsn/SGSN_Tests.ttcn 1 file changed, 73 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified Harald Welte: Looks good to me, approved diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn index 3f479da..0112483 100644 --- a/sgsn/SGSN_Tests.ttcn +++ b/sgsn/SGSN_Tests.ttcn @@ -1943,6 +1943,78 @@ vc_conn.done; } +private function f_TC_attach_gmm_attach_req_while_gmm_attach(charstring id) runs on BSSGP_ConnHdlr { + var integer count_req := 0; + var MobileL3_CommonIE_Types.MobileIdentityLV mi; + var RoutingAreaIdentificationV rand_rai := f_random_RAI(); + var BssgpDecoded bd; + + f_send_l3_gmm_llc(ts_GMM_ATTACH_REQ(f_mi_get_lv(), rand_rai, true, false, omit, omit)); + + alt { + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { + setverdict(fail, "Unexpected GMM ATTACH REJECT"); + mtc.stop; + } + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ID_REQ('001'B))) { + mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + f_send_l3_gmm_llc(ts_GMM_ID_RESP(mi)); + repeat; + } + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ID_REQ('010'B))) { + /* send out a second GMM_Attach Request. + * If the SGSN follows the rules, this 2nd ATTACH REQ should be ignored, because + * of the same content */ + f_send_l3_gmm_llc(ts_GMM_ATTACH_REQ(f_mi_get_lv(), rand_rai, true, false, omit, omit)); + mi := valueof(ts_MI_IMEI_LV(g_pars.imei)); + f_send_l3_gmm_llc(ts_GMM_ID_RESP(mi)); + } + } + f_sleep(1.0); + + /* we've sent already a IMEI answer, we should NOT asked again for IMEI */ + alt { + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ID_REQ('001'B))) { + mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + f_send_l3_gmm_llc(ts_GMM_ID_RESP(mi)); + repeat; + } + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ID_REQ('010'B))) { + setverdict(fail, "Unexpected GMM ID REQ (IMEI)."); + mtc.stop; + } + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ATTACH_REJECT(?))) { + setverdict(fail, "Unexpected GMM ATTACH REJECT"); + mtc.stop; + } + [] BSSGP[0].receive(tr_BD_L3_MT(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))) -> value bd { + f_process_attach_accept(bd.l3_mt.msgs.gprs_mm.attachAccept); + f_send_l3_gmm_llc(ts_GMM_ATTACH_COMPL); + setverdict(pass); + /* FIXME: Extract P-TMSI, if any. Only send Complete if necessary */ + } + } +} + +testcase TC_attach_gmm_attach_req_while_gmm_attach() runs on test_CT { + /* Testing if the SGSN ignore Attach Request with the exact same content */ + /* MS -> SGSN: Attach Request IMSI + * MS <- SGSN: Identity Request IMSI (optional) + * MS -> SGSN: Identity Response IMSI (optional) + * MS <- SGSN: Identity Request IMEI + * MS -> SGSN: Attach Request (2nd) + * MS <- SGSN: Identity Response IMEI + * MS <- SGSN: Attach Accept + * MS -> SGSN: Attach Complete + */ + var BSSGP_ConnHdlr vc_conn; + f_init(); + f_sleep(1.0); + f_vty_config(SGSNVTY, "sgsn", "auth-policy accept-all"); + vc_conn := f_start_handler(refers(f_TC_attach_gmm_attach_req_while_gmm_attach), testcasename(), g_gb, 39); + vc_conn.done; +} + control { execute( TC_attach() ); execute( TC_attach_mnc3() ); @@ -1985,6 +2057,7 @@ execute( TC_attach_restart_ctr_create() ); execute( TC_attach_pdp_act_deact_mt_t3395_expire() ); execute( TC_attach_pdp_act_user_error_ind_ggsn() ); + execute( TC_attach_gmm_attach_req_while_gmm_attach() ); } -- To view, visit https://gerrit.osmocom.org/10392 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: I0bac50dc5a72ba8f9010b05bcb98aa7ff0b81cf6 Gerrit-Change-Number: 10392 Gerrit-PatchSet: 5 Gerrit-Owner: lynxis lazus <lynxis at fe80.eu> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180904/6aa631f1/attachment.htm>