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*
* @desc main default altstep to handle unexpected messages and timeout
* @verdict fail for all unexpected branches
*/
altstep a_clearRegistration() runs on SipComponent
{
var Response v_response;
var Request v_request;
[] any timer.timeout
{
setverdict(fail);
all timer.stop;
//TODO check how to solve release of call
//f_SendCANCEL(m_CANCEL_Request(vc_callId, vc_cSeq, vc_from, vc_cancel_To, vc_reqHostPort, vc_via )); // difference between registration state or transaction state
f_RemoveRegistration(vc_cSeq);
}
// allow repeated INVITEs
[vc_ignore_invite] SIPP.receive(mw_INVITE_Request_Base)
{
repeat
}
// allow repeated BYEs after ack of the first BYE
[vc_ignore_bye] SIPP.receive (mw_BYE_Request_Base(?))
{
repeat
}
[] SIPP.receive (mw_ACK_Request_Base(?))
{
repeat
}
[] SIPP.receive(mw_Response_Base(c_statusLine100,?, ?))
{
repeat
}
// ignore 181 if flag is set (following TS 183004 §4.5.2.1)
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[vc_ignore181] SIPP.receive(mw_Response_Base(c_statusLine181,vc_callId, vc_cSeq))-> value v_response sender vc_sent_label
{
f_setHeadersOnReceiptOfResponse(v_response.msgHeader.cSeq, v_response);
repeat;
}
// according to SIP chap.8.1.3.2
[] SIPP.receive(mw_Response_Base(c_statusLine183,vc_callId, vc_cSeq))
{
repeat;
}
// ignore 484 if flag is set
[vc_ignore484] SIPP.receive(mw_Response_Base(c_statusLine484,vc_callId, vc_cSeq))
{
repeat
}
[vc_ignore4xx] SIPP.receive(mw_Response_Base(mw_statusLine4xx,vc_callId, ?))-> value v_response sender vc_sent_label
{
f_setHeadersOnReceiptOfResponse(v_response.msgHeader.cSeq, v_response);
f_SendACK(m_ACK_Request_route(vc_requestUri, vc_callId, v_response.msgHeader.cSeq, vc_from, vc_to, vc_via, vc_route));
repeat
}
[vc_ignore200OKinv] SIPP.receive(mw_Response_Base(c_statusLine200, vc_callId, ?))
{
repeat
}
[] SIPP.receive(mw_INFO_Request_Base(vc_callId))->value v_request sender vc_sent_label
{
f_setHeadersOnReceiptOfRequest(v_request);
f_send200OK();
repeat
}
// awaiting of Notify
[] SIPP.receive(mw_NOTIFY_Request_Base(vc_callId))->value v_request sender vc_sent_label
{
f_setHeadersOnReceiptOfRequest(v_request);
f_send200OK();
repeat
}
// awaiting of subscribe from UE
[vc_ignore_subscribe] SIPP.receive(mw_SUBSCRIBE_Request_Base)-> value v_request sender vc_sent_label
{
f_setHeadersOnReceiptOfSUBSCRIBE(v_request);
f_send200OK();
repeat;
}
//awaiting of subscribe on proxy
[] SIPP.receive(mw_SUBSCRIBE_Request_Base)->value v_request sender vc_sent_label
{
f_setHeadersOnReceiptOfRequest(v_request);
f_sendResponse(m_Response_Contact(c_statusLine200,vc_callId, vc_cSeq,vc_callee_From, vc_callee_To, vc_via,vc_contact));
//f_setHeadersGeneral(vc_cSeq, "NOTIFY"); // cseq, contact, branch, via
//f_SendNOTIFY(m_NOTIFY_Request_contact(vc_requestUri, vc_callId, vc_cSeq, vc_from, vc_to, vc_via, vc_contact));
log(v_request.msgHeader.contact.contactBody.contactAddresses[0].addressField.nameAddr.addrSpec);
f_SendNOTIFY(m_NOTIFY_Request_contact(v_request.msgHeader.contact.contactBody.contactAddresses[0].addressField.nameAddr.addrSpec, vc_callId, vc_cSeq, vc_callee_From, vc_callee_To, vc_via, vc_contact));
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f_awaitingOkResponse(vc_cSeq);
repeat
}
// unexpected BYE is acknowledged to avoid retransmissions
[] SIPP.receive(mw_BYE_Request_Base(?))-> value v_request sender vc_sent_label
{
setverdict(fail);
f_setHeadersOnReceiptOfRequest(v_request);
f_send200OK();
f_RemoveRegistration(vc_cSeq);
}
// unexpected CANCEL is acknowledged to avoid retransmissions
[] SIPP.receive(mw_CANCEL_Request_Base(?))-> value v_request sender vc_sent_label
{
setverdict(fail);
f_setHeadersOnReceiptOfRequest(v_request);
//Answer to the CANCEL
f_send200OK();
f_RemoveRegistration(vc_cSeq);
}
// catch 4xx response
[] SIPP.receive(mw_Response_Base(mw_statusLine4xx, vc_callId, ?))-> value v_response sender vc_sent_label
{
setverdict(fail);
f_setHeadersOnReceiptOfResponse(v_response.msgHeader.cSeq, v_response);
LibSip_Steps.f_setHeadersACK();
f_SendACK(m_ACK_Request_route(vc_requestUri, vc_callId, v_response.msgHeader.cSeq, vc_from, vc_to, vc_via, vc_route));
f_RemoveRegistration(vc_cSeq);
}
// catch 5xx response
[] SIPP.receive(mw_Response_Base(mw_statusLine5xx, vc_callId, ?))-> value v_response sender vc_sent_label
{
setverdict(fail);
f_setHeadersOnReceiptOfResponse(v_response.msgHeader.cSeq, v_response);
LibSip_Steps.f_setHeadersACK();
f_SendACK(m_ACK_Request_route(vc_requestUri, vc_callId, v_response.msgHeader.cSeq, vc_from, vc_to, vc_via, vc_route));
f_RemoveRegistration(vc_cSeq);
// catch invalid REGISTER
[] SIPP.receive(mw_REGISTER_Request_Base)-> value v_request sender vc_sent_label
{
setverdict(fail);
f_componentStop();
}
// any
[] SIPP.receive
{
setverdict(fail);
all timer.stop;
// f_setHeadersCANCEL(vc_cSeq);
// f_SendCANCEL(m_CANCEL_Request_Base(vc_requestUri, vc_callId, vc_cSeq, vc_from, vc_cancel_To, vc_via )); // difference between registration state or transaction state
f_RemoveRegistration(vc_cSeq);
* @desc altstep handle authentication for INVITE message
*/
altstep a_altstep_401or407() runs on SipComponent {
[] any port.check (receive) {
var CommaParam_List v_challenge;
var Credentials v_Credentials;
var Response v_Response;
var Request v_Request := valueof (vc_requestFor407);
tc_resp.start (PX_SIP_TRESP);
alt {
[] SIPP.receive (mw_Response_Base((c_statusLine401,c_statusLine407),
vc_callId,
vc_cSeq)) -> value v_Response {
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// get tag from To header if available
vc_to := v_Response.msgHeader.toField;
if (vc_cSeq.method == "INVITE"){
// send ACK
f_SendACK(m_ACK_Request_Base(vc_requestUri, vc_callId, vc_cSeq, vc_from, vc_to, vc_via));
}
// resent the INVITE message with Proxyauthorization header include
// Extract challenge and calculate credentials for a response.
if (ischosen (v_Response
.msgHeader
.proxyAuthenticate
.challenge
.otherChallenge // instead of digestCln (changed by axr to comply to alcatel)
)) {
v_challenge :=
v_Response
.msgHeader
.proxyAuthenticate
.challenge
.otherChallenge.authParams;
v_Credentials :=
f_calculatecCredentials(vc_userprofile,
vc_requestFor407.msgHeader.cSeq.method,
v_challenge);
} else {
log ("No scheme in Proxy Authenticate header!!");
setverdict (inconc);
stop;
}
vc_branch := c_branchCookie & f_getRndTag();
vc_via := {
fieldName := VIA_E,
viaBody := {
valueof (m_ViaBody_currIpaddr(vc_branch, vc_userprofile))}
};
v_Request.msgHeader.via := vc_via;
// Increment CSeq sequence number of and add the credentials
// to the original saved INVITE message.
vc_cSeq.method := vc_requestFor407.msgHeader.cSeq.method;
vc_cSeq.seqNumber := vc_cSeq.seqNumber + 1;
v_Request.msgHeader.cSeq.seqNumber :=
vc_cSeq.seqNumber;
v_Request.msgHeader.proxyAuthorization.fieldName :=
PROXY_AUTHORIZATION_E;
v_Request.msgHeader.proxyAuthorization.credentials :=
{v_Credentials};
// Re-send the saved INVITE with Authorization header
// included.
SIPP.send (v_Request) to vc_sent_label;
}
}
}
}
} // end of group DefaultsTestStep
} // end module LibSip_Steps