[M] Change in osmo-ttcn3-hacks[master]: asterisk: Introduce test TC_ims_registration_423_interval_too_brief
pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/37291?usp=email )
Change subject: asterisk: Introduce test TC_ims_registration_423_interval_too_brief ......................................................................
asterisk: Introduce test TC_ims_registration_423_interval_too_brief
Related: SYS#6983 Change-Id: I9e1fc9b79496956d27102d940dfa3897897733a7 --- M asterisk/Asterisk_Tests.ttcn M asterisk/IMS_ConnectionHandler.ttcn M asterisk/expected-results.xml M library/SIP_Templates.ttcn 4 files changed, 105 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/91/37291/1
diff --git a/asterisk/Asterisk_Tests.ttcn b/asterisk/Asterisk_Tests.ttcn index 6982146..b7981eb 100644 --- a/asterisk/Asterisk_Tests.ttcn +++ b/asterisk/Asterisk_Tests.ttcn @@ -562,6 +562,60 @@ }
/* Test IMS re-registration based on Expires (TS 24.229 5.1.1.4.1, RFC 3261 10.3)*/ +private function f_TC_ims_registration_423_interval_too_brief(charstring id) runs on IMS_ConnHdlr { + f_create_sip_expect(valueof(ts_SipUrl_from_Addr_Union(g_pars.subscr.registrar_sip_record.addr))); + + var template (present) PDU_SIP_Request exp_req := + tr_SIP_REGISTER(g_pars.registrar_sip_req_uri, + ?, + tr_From(), + tr_To(), + tr_Via_from(?), + expires := tr_Expires(int2str(g_pars.subscr.registrar_expires))); + SIP.receive(exp_req) -> value g_rx_sip_req; + + /* Double it and expect UAC to use it. */ + g_pars.subscr.registrar_expires := g_pars.subscr.registrar_expires * 2; + + /* Tx 423 Interval Too Brief */ + var template (value) PDU_SIP_Response tx_resp; + tx_resp := ts_SIP_Response_423_Interval_Too_Brief( + g_rx_sip_req.msgHeader.callId.callid, + g_rx_sip_req.msgHeader.fromField, + g_rx_sip_req.msgHeader.toField, + g_rx_sip_req.msgHeader.via, + g_rx_sip_req.msgHeader.cSeq.seqNumber, + minExpires := ts_MinExpires(int2str(g_pars.subscr.registrar_expires)), + server := g_pars.server_name, + userAgent := omit); + SIP.send(tx_resp); + + g_pars.subscr.exp_uac_expires := g_pars.subscr.registrar_expires; + as_IMS_register(); + + as_IMS_unregister(); + setverdict(pass); +} +testcase TC_ims_registration_423_interval_too_brief() runs on test_CT { + var IMS_ConnHdlrPars pars; + var IMS_ConnHdlr vc_conn; + f_init(); + pars := f_init_IMS_ConnHdlrPars(); + vc_conn := f_start_handler_IMS(refers(f_TC_ims_registration_423_interval_too_brief), pars); + + f_AMI_IMS_register(pars); + + /* Stay registered for one second */ + f_sleep(1.0); + + /* Trigger unregistration: */ + f_AMI_IMS_unregister(pars); + + vc_conn.done; + f_shutdown(); +} + +/* Test IMS re-registration based on Expires (TS 24.229 5.1.1.4.1, RFC 3261 10.3)*/ private function f_TC_ims_reregistration(charstring id) runs on IMS_ConnHdlr { f_create_sip_expect(valueof(ts_SipUrl_from_Addr_Union(g_pars.subscr.registrar_sip_record.addr))); as_IMS_register(); @@ -780,6 +834,7 @@ execute( TC_ims_registration_timeout_resync_401Unauthorized() ); execute( TC_ims_registration_timeout_protected_100Trying() ); execute( TC_ims_registration_timeout_protected_200OK() ); + execute( TC_ims_registration_423_interval_too_brief() ); execute( TC_ims_reregistration() ); execute( TC_ims_call_mo() ); execute( TC_ims_call_mo_noprecondition() ); diff --git a/asterisk/IMS_ConnectionHandler.ttcn b/asterisk/IMS_ConnectionHandler.ttcn index ba2a2fd..674b281 100644 --- a/asterisk/IMS_ConnectionHandler.ttcn +++ b/asterisk/IMS_ConnectionHandler.ttcn @@ -94,6 +94,7 @@ SipAddr registrar_sip_record, CallidString registrar_sip_call_id, integer registrar_sip_seq_nr, + integer exp_uac_expires, integer registrar_expires, SipUrl local_sip_url_ext, SipAddr local_sip_record, @@ -215,6 +216,7 @@ f_sip_str_quote(display_name)), registrar_sip_call_id := hex2str(f_rnd_hexstring(15)) & "@" & domain, registrar_sip_seq_nr := f_sip_rand_seq_nr(), + exp_uac_expires := c_def_expires, registrar_expires := c_def_expires, local_sip_url_ext := ts_SipUrl(ts_HostPort(domain, local_sip_port), ts_UserInfo(imsi)), @@ -747,7 +749,7 @@ tr_From(), tr_To(), tr_Via_from(?), - expires := tr_Expires(int2str(c_def_expires)), + expires := tr_Expires(int2str(g_pars.subscr.exp_uac_expires)), require := tr_Require(superset("sec-agree")), security_client := tr_Security_client(superset(tr_Security_mechanism("ipsec-3gpp", superset(tr_Param("alg","hmac-sha-1-96"))))), diff --git a/asterisk/expected-results.xml b/asterisk/expected-results.xml index 65a495b..26c2fa4 100644 --- a/asterisk/expected-results.xml +++ b/asterisk/expected-results.xml @@ -12,6 +12,7 @@ <testcase classname='Asterisk_Tests' name='TC_ims_registration_timeout_resync_401Unauthorized' time='MASKED'/> <testcase classname='Asterisk_Tests' name='TC_ims_registration_timeout_protected_100Trying' time='MASKED'/> <testcase classname='Asterisk_Tests' name='TC_ims_registration_timeout_protected_200OK' time='MASKED'/> + <testcase classname='Asterisk_Tests' name='TC_ims_registration_423_interval_too_brief' time='MASKED'/> <testcase classname='Asterisk_Tests' name='TC_ims_reregistration' time='MASKED'/> <testcase classname='Asterisk_Tests' name='TC_ims_call_mo' time='MASKED'/> <testcase classname='Asterisk_Tests' name='TC_ims_call_mo_noprecondition' time='MASKED'/> diff --git a/library/SIP_Templates.ttcn b/library/SIP_Templates.ttcn index ce5998b..26f7ea8 100644 --- a/library/SIP_Templates.ttcn +++ b/library/SIP_Templates.ttcn @@ -245,6 +245,12 @@ fromParams := fromParams }
+// [20.23] +template (value) MinExpires ts_MinExpires(template (value) DeltaSec deltaSec := "800000") := { + fieldName := MIN_EXPIRES_E, + deltaSec := deltaSec +} + // [RFC3455 5.4] + 3GPP 24.229 V8.7.0 template (present) Access_net_spec tr_Access_net_spec(template (present) charstring access_type := ?, template SemicolonParam_List access_info := *) := { @@ -685,6 +691,7 @@ template (omit)Authorization authorization := omit, template (omit) Allow allow := ts_Allow(c_SIP_defaultMethods), template (omit) Expires expires := omit, + template (omit) MinExpires minExpires := omit, template (omit) P_Associated_Uri p_associated_uri := omit, template (omit) RAck rack := omit, template (omit) Require require := omit, @@ -712,6 +719,7 @@ }, expires := expires, fromField := from_addr, + minExpires := minExpires, p_associated_uri := p_associated_uri, rack := rack, require := require, @@ -1152,6 +1160,34 @@ payload := omit }
+/* Tx 423 Interval Too Brief */ +template (value) PDU_SIP_Response +ts_SIP_Response_423_Interval_Too_Brief( + template (value) CallidString call_id, + template (value) From from_addr, + template (value) To to_addr, + Via via, + integer seq_nr, + charstring method := "REGISTER", + template (omit) Allow allow := omit, + template (value) MinExpires minExpires := ts_MinExpires(), + template (omit) Server server := omit, + template (omit) Supported supported := omit, + template (omit) UserAgent userAgent := omit) := { + statusLine := ts_SIP_StatusLine(423, "Interval Too Brief"), + msgHeader := ts_SIP_msgh_std(call_id, from_addr, to_addr, omit, method, seq_nr, + via, + content_length := f_ContentLength(omit), + content_type := f_ContentTypeOrOmit(ts_CT_SDP, omit), + allow := allow, + minExpires := minExpires, + server := server, + supported := supported, + userAgent := userAgent), + messageBody := omit, + payload := omit +} + template (present) PDU_SIP_Response tr_SIP_Response(template CallidString call_id, template From from_addr,
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pespin