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package examples.ims;

import gov.nist.javax.sip.header.AllowList;
import gov.nist.javax.sip.header.HeaderFactoryImpl;
import gov.nist.javax.sip.header.RequireList;
import gov.nist.javax.sip.header.SupportedList;
import gov.nist.javax.sip.header.ims.*;

import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;

import java.util.*;

/**
 * 

This class is a UAC template.

*

Exemplifies the creation and parsing of the SIP P-Headers for IMS

* *

based on examples.simplecallsetup, by M. Ranganathan

*

issued by Miguel Freitas (IT) PT-Inovacao

*/ public class Shootist implements SipListener { private static SipProvider sipProvider; private static AddressFactory addressFactory; private static MessageFactory messageFactory; private static HeaderFactory headerFactory; private static SipStack sipStack; private ContactHeader contactHeader; private ListeningPoint udpListeningPoint; private ClientTransaction inviteTid; private Dialog dialog; private boolean byeTaskRunning; class ByeTask extends TimerTask { Dialog dialog; public ByeTask(Dialog dialog) { this.dialog = dialog; } public void run () { try { Request byeRequest = this.dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest); dialog.sendRequest(ct); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } } } private static final String usageString = "java " + "examples.shootist.Shootist \n" + ">>>> is your class path set to the root?"; private static void usage() { System.out.println(usageString); System.exit(0); } public void processRequest(RequestEvent requestReceivedEvent) { Request request = requestReceivedEvent.getRequest(); ServerTransaction serverTransactionId = requestReceivedEvent .getServerTransaction(); System.out.println("\n\nRequest " + request.getMethod() + " received at " + sipStack.getStackName() + " with server transaction id " + serverTransactionId); // We are the UAC so the only request we get is the BYE. if (request.getMethod().equals(Request.BYE)) processBye(request, serverTransactionId); } public void processBye(Request request, ServerTransaction serverTransactionId) { try { System.out.println("shootist: got a bye ."); if (serverTransactionId == null) { System.out.println("shootist: null TID."); return; } Dialog dialog = serverTransactionId.getDialog(); System.out.println("Dialog State = " + dialog.getState()); Response response = messageFactory.createResponse(200, request); serverTransactionId.sendResponse(response); System.out.println("shootist: Sending OK."); System.out.println("Dialog State = " + dialog.getState()); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } } public void processInviteOK(Response ok, ClientTransaction ct) { HeaderFactoryImpl headerFactoryImpl = (HeaderFactoryImpl) headerFactory; try { RequireHeader require = null; String requireOptionTags = new String(); ListIterator li = ok.getHeaders(RequireHeader.NAME); if (li != null) { try { while(li.hasNext()) { require = (RequireHeader) li.next(); requireOptionTags = requireOptionTags .concat( require.getOptionTag()) .concat(" "); } } catch (Exception ex) { System.out.println("\n(!) Exception getting Require header! - " + ex); } } // this is only to illustrate the usage of this headers // send Security-Verify (based on Security-Server) if Require: sec-agree SecurityVerifyList secVerifyList = null; if (requireOptionTags.indexOf("sec-agree") != -1) { ListIterator secServerReceived = ok.getHeaders(SecurityServerHeader.NAME); if (secServerReceived != null && secServerReceived.hasNext()) { System.out.println(".: Security-Server received: "); while (secServerReceived.hasNext()) { SecurityServerHeader security = null; try { security = (SecurityServerHeader) secServerReceived.next(); } catch (Exception ex) { System.out.println("(!) Exception getting Security-Server header : " + ex); } try { Iterator parameters = security.getParameterNames(); SecurityVerifyHeader newSecVerify = headerFactoryImpl.createSecurityVerifyHeader(); newSecVerify.setSecurityMechanism(security.getSecurityMechanism()); while (parameters.hasNext()) { String paramName = (String)parameters.next(); newSecVerify.setParameter(paramName,security.getParameter(paramName)); } System.out.println(" - " + security.toString()); } catch (Exception ex) { System.out.println("(!) Exception setting the security agreement!" + ex); ex.getStackTrace(); } } } System.out.println(".: Security-Verify built and added to response..."); } CSeqHeader cseq = (CSeqHeader) ok.getHeader(CSeqHeader.NAME); ackRequest = dialog.createAck( cseq.getSeqNumber() ); if (secVerifyList != null && !secVerifyList.isEmpty()) { RequireHeader requireSecAgree = headerFactory.createRequireHeader("sec-agree"); ackRequest.setHeader(requireSecAgree); ackRequest.setHeader(secVerifyList); } System.out.println("Sending ACK"); dialog.sendAck(ackRequest); } catch (Exception ex) { System.out.println("(!) Exception sending ACK to 200 OK " + "response to INVITE : " + ex); } } // Save the created ACK request, to respond to retransmitted 2xx private Request ackRequest; public void processResponse(ResponseEvent responseReceivedEvent) { System.out.println("Got a response"); Response response = (Response) responseReceivedEvent.getResponse(); ClientTransaction tid = responseReceivedEvent.getClientTransaction(); CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); System.out.println("Response received : Status Code = " + response.getStatusCode() + " " + cseq); if (tid == null) { // RFC3261: MUST respond to every 2xx if (ackRequest!=null && dialog!=null) { System.out.println("re-sending ACK"); try { dialog.sendAck(ackRequest); } catch (SipException se) { se.printStackTrace(); } } return; } // If the caller is supposed to send the bye if ( Shootme.callerSendsBye && !byeTaskRunning) { byeTaskRunning = true; new Timer().schedule(new ByeTask(dialog), 2000) ; } System.out.println("transaction state is " + tid.getState()); System.out.println("Dialog = " + tid.getDialog()); System.out.println("Dialog State is " + tid.getDialog().getState()); try { if (response.getStatusCode() == Response.OK) { if (cseq.getMethod().equals(Request.INVITE)) { processInviteOK(response, tid); /* ackRequest = dialog.createAck( cseq.getSeqNumber() ); System.out.println("Sending ACK"); dialog.sendAck(ackRequest); */ } else if (cseq.getMethod().equals(Request.CANCEL)) { if (dialog.getState() == DialogState.CONFIRMED) { // oops cancel went in too late. Need to hang up the // dialog. System.out .println("Sending BYE -- cancel went in too late !!"); Request byeRequest = dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider .getNewClientTransaction(byeRequest); dialog.sendRequest(ct); } } } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } } public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) { System.out.println("Transaction Time out"); } public void sendCancel() { try { System.out.println("Sending cancel"); Request cancelRequest = inviteTid.createCancel(); ClientTransaction cancelTid = sipProvider .getNewClientTransaction(cancelRequest); cancelTid.sendRequest(); } catch (Exception ex) { ex.printStackTrace(); } } public void init() { SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); // If you want to try TCP transport change the following to String transport = "udp"; String peerHostPort = "127.0.0.1:5070"; properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/" + transport); // If you want to use UDP then uncomment this. properties.setProperty("javax.sip.STACK_NAME", "shootist"); // The following properties are specific to nist-sip // and are not necessarily part of any other jain-sip // implementation. // You can set a max message size for tcp transport to // guard against denial of service attack. properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootistdebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootistlog.txt"); // Drop the client connection after we are done with the transaction. properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS", "false"); // Set to 0 (or NONE) in your production code for max speed. // You need 16 (or TRACE) for logging traces. 32 (or DEBUG) for debug + traces. // Your code will limp at 32 but it is best for debugging. properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "TRACE"); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("createSipStack " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); udpListeningPoint = sipStack.createListeningPoint("127.0.0.1", 5060, "udp"); sipProvider = sipStack.createSipProvider(udpListeningPoint); Shootist listener = this; sipProvider.addSipListener(listener); String fromName = "BigGuy"; String fromSipAddress = "here.com"; String fromDisplayName = "The Master Blaster"; String toSipAddress = "there.com"; String toUser = "LittleGuy"; String toDisplayName = "The Little Blister"; // create >From Header SipURI fromAddress = addressFactory.createSipURI(fromName, fromSipAddress); Address fromNameAddress = addressFactory.createAddress(fromAddress); fromNameAddress.setDisplayName(fromDisplayName); FromHeader fromHeader = headerFactory.createFromHeader( fromNameAddress, "12345"); // create To Header SipURI toAddress = addressFactory .createSipURI(toUser, toSipAddress); Address toNameAddress = addressFactory.createAddress(toAddress); toNameAddress.setDisplayName(toDisplayName); ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null); // create Request URI SipURI requestURI = addressFactory.createSipURI(toUser, peerHostPort); // Create ViaHeaders ArrayList viaHeaders = new ArrayList(); ViaHeader viaHeader = headerFactory.createViaHeader("127.0.0.1", sipProvider.getListeningPoint(transport).getPort(), transport, null); // add via headers viaHeaders.add(viaHeader); // Create ContentTypeHeader ContentTypeHeader contentTypeHeader = headerFactory .createContentTypeHeader("application", "sdp"); // Create a new CallId header CallIdHeader callIdHeader = sipProvider.getNewCallId(); // Create a new Cseq header CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE); // Create a new MaxForwardsHeader MaxForwardsHeader maxForwards = headerFactory .createMaxForwardsHeader(70); // Create the request. Request request = messageFactory.createRequest(requestURI, Request.INVITE, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwards); // Create contact headers String host = "127.0.0.1"; SipURI contactUrl = addressFactory.createSipURI(fromName, host); contactUrl.setPort(udpListeningPoint.getPort()); contactUrl.setLrParam(); // Create the contact name address. SipURI contactURI = addressFactory.createSipURI(fromName, host); contactURI.setPort(sipProvider.getListeningPoint(transport) .getPort()); Address contactAddress = addressFactory.createAddress(contactURI); // Add the contact address. contactAddress.setDisplayName(fromName); contactHeader = headerFactory.createContactHeader(contactAddress); request.addHeader(contactHeader); // You can add extension headers of your own making // to the outgoing SIP request. // Add the extension header. Header extensionHeader = headerFactory.createHeader("My-Header", "my header value"); request.addHeader(extensionHeader); /* ++++++++++++++++++++++++++++++++++++++++++++ * IMS headers * ++++++++++++++++++++++++++++++++++++++++++++ */ // work-around for IMS headers HeaderFactoryImpl headerFactoryImpl = new HeaderFactoryImpl(); // Allow header /* AllowHeader allowHeader = headerFactory.createAllowHeader(Request.INVITE + "," + Request.PRACK + "," + Request.UPDATE); request.addHeader(allowHeader); */ AllowHeader allow1 = headerFactory.createAllowHeader(Request.INVITE); request.addHeader(allow1); AllowHeader allow2 = headerFactory.createAllowHeader(Request.PRACK); request.addHeader(allow2); AllowHeader allow3 = headerFactory.createAllowHeader(Request.UPDATE); request.addHeader(allow3); // Supported /* SupportedHeader supportedHeader = headerFactory.createSupportedHeader("100rel" + "," + "precondition"); request.addHeader(supportedHeader); */ SupportedHeader supported1 = headerFactory.createSupportedHeader("100rel"); request.addHeader(supported1); SupportedHeader supported2 = headerFactory.createSupportedHeader("preconditions"); request.addHeader(supported2); SupportedHeader supported3 = headerFactory.createSupportedHeader("path"); request.addHeader(supported3); // Require /* RequireHeader requireHeader = headerFactory.createRequireHeader("sec-agree"+ "," + "precondition"); request.addHeader(requireHeader); */ RequireHeader require1 = headerFactory.createRequireHeader("sec-agree"); request.addHeader(require1); RequireHeader require2 = headerFactory.createRequireHeader("preconditions"); request.addHeader(require2); // Security-Client SecurityClientHeader secClient = headerFactoryImpl.createSecurityClientHeader(); secClient.setSecurityMechanism("ipsec-3gpp"); secClient.setAlgorithm("hmac-md5-96"); secClient.setEncryptionAlgorithm("des-cbc"); secClient.setSPIClient(10000); secClient.setSPIServer(10001); secClient.setPortClient(5063); secClient.setPortServer(4166); request.addHeader(secClient); // P-Access-Network-Info PAccessNetworkInfoHeader accessInfo = headerFactoryImpl.createPAccessNetworkInfoHeader(); accessInfo.setAccessType("3GPP-UTRAN-TDD"); accessInfo.setUtranCellID3GPP("0123456789ABCDEF"); request.addHeader(accessInfo); // Privacy PrivacyHeader privacy = headerFactoryImpl.createPrivacyHeader("header"); request.addHeader(privacy); PrivacyHeader privacy2 = headerFactoryImpl.createPrivacyHeader("user"); request.addHeader(privacy2); // P-Preferred-Identity PPreferredIdentityHeader preferredID = headerFactoryImpl.createPPreferredIdentityHeader(fromNameAddress); request.addHeader(preferredID); /* * TEST */ // this is only to illustrate the usage of this headers // P-Called-Party-ID // only to test PCalledPartyIDHeader calledPartyID = headerFactoryImpl.createPCalledPartyIDHeader(toNameAddress); request.addHeader(calledPartyID); // P-Visited-Network-ID PVisitedNetworkIDHeader visitedNetworkID1 = headerFactoryImpl.createPVisitedNetworkIDHeader(); visitedNetworkID1.setVisitedNetworkID(fromSipAddress .substring(fromSipAddress.indexOf("@")+1)); PVisitedNetworkIDHeader visitedNetworkID2 = headerFactoryImpl.createPVisitedNetworkIDHeader(); visitedNetworkID2.setVisitedNetworkID(toSipAddress .substring(toSipAddress.indexOf("@")+1)); request.addHeader(visitedNetworkID1); request.addHeader(visitedNetworkID2); // P-Associated-URI PAssociatedURIHeader associatedURI1 = headerFactoryImpl.createPAssociatedURIHeader(toNameAddress); PAssociatedURIHeader associatedURI2 = headerFactoryImpl.createPAssociatedURIHeader(fromNameAddress); request.addHeader(associatedURI1); request.addHeader(associatedURI2); // P-Asserted-Identity PAssertedIdentityHeader assertedID = headerFactoryImpl.createPAssertedIdentityHeader( addressFactory.createAddress(toAddress)); request.addHeader(assertedID); TelURL tel = addressFactory.createTelURL("+1-201-555-0123"); Address telAddress = addressFactory.createAddress(tel); toNameAddress.setDisplayName(toDisplayName); PAssertedIdentityHeader assertedID2 = headerFactoryImpl.createPAssertedIdentityHeader(telAddress); request.addHeader(assertedID2); // P-Charging-Function-Addresses PChargingFunctionAddressesHeader chargAddr = headerFactoryImpl.createPChargingFunctionAddressesHeader(); chargAddr.addChargingCollectionFunctionAddress("test1.ims.test"); chargAddr.addEventChargingFunctionAddress("testevent"); request.addHeader(chargAddr); // P-Charging-Vector PChargingVectorHeader chargVect = headerFactoryImpl.createChargingVectorHeader("icid"); chargVect.setICIDGeneratedAt("icidhost"); chargVect.setOriginatingIOI("origIOI"); chargVect.setTerminatingIOI("termIOI"); request.addHeader(chargVect); // P-Media-Authorization PMediaAuthorizationHeader mediaAuth1 = headerFactoryImpl.createPMediaAuthorizationHeader("13579bdf"); PMediaAuthorizationHeader mediaAuth2 = headerFactoryImpl.createPMediaAuthorizationHeader("02468ace"); request.addHeader(mediaAuth1); request.addHeader(mediaAuth2); // Path header PathHeader path1 = headerFactoryImpl.createPathHeader(fromNameAddress); PathHeader path2 = headerFactoryImpl.createPathHeader(toNameAddress); request.addHeader(path1); request.addHeader(path2); /* * test clone() and equal() */ /* SecurityClientHeader secClientClone = (SecurityClientHeader) secClient.clone(); System.out.println(" --> Security-Client clone = " + secClientClone.toString()); System.out.println(" equals? " + secClientClone.equals(secClient)); PAccessNetworkInfo paniClone = (PAccessNetworkInfo) accessInfo.clone(); System.out.println(" --> P-Access-Network-Info clone = " + paniClone.toString()); System.out.println(" equals? " + paniClone.equals(accessInfo)); Privacy privacyClone = (Privacy) privacy.clone(); System.out.println(" --> Privacy clone = " + privacyClone.toString()); System.out.println(" equals? " + privacyClone.equals(privacy)); PPreferredIdentity preferredIDClone = (PPreferredIdentity) preferredID.clone(); System.out.println(" --> P-Preferred-Identity clone = " + preferredIDClone.toString()); System.out.println(" equals? " + preferredIDClone.equals(preferredID)); PCalledPartyID calledPartyIDClone = (PCalledPartyID) calledPartyID.clone(); System.out.println(" --> P-Called-Party-ID clone = " + calledPartyIDClone.toString()); System.out.println(" equals? " + calledPartyIDClone.equals(calledPartyID)); PVisitedNetworkIDList visNetListClone = (PVisitedNetworkIDList) visNetList.clone(); System.out.println(" --> P-Visited-Network-ID list clone = " + visNetListClone.toString()); System.out.println(" equals? " + visNetListClone.equals(visNetList)); System.out.println(" equals? " + visNetListClone.equals(visitedNetworkID1)); PAssociatedURIList associatedListClone = (PAssociatedURIList) associatedList.clone(); System.out.println(" --> P-Associated-URI list clone = " + associatedListClone.toString()); System.out.println(" equals? " + associatedListClone.equals(associatedList)); PAssertedIdentity assertedIDClone = (PAssertedIdentity) assertedID.clone(); System.out.println(" --> P-Asserted-Identity clone = " + assertedIDClone.toString()); System.out.println(" equals? " + assertedIDClone.equals(assertedID)); PChargingFunctionAddresses chargAddrClone = (PChargingFunctionAddresses) chargAddr.clone(); System.out.println(" --> P-Charging-Function-Addresses clone = " + chargAddrClone.toString()); System.out.println(" equals? " + chargAddrClone.equals(chargAddr)); PChargingVector chargVectClone = (PChargingVector) chargVect.clone(); System.out.println(" --> P-Charging-Vector clone = " + chargVectClone.toString()); System.out.println(" equals? " + chargVectClone.equals(chargVect)); PMediaAuthorizationList mediaAuthListClone = (PMediaAuthorizationList) mediaAuthList.clone(); System.out.println(" --> P-Media-Authorization list clone = " + mediaAuthListClone.toString()); System.out.println(" equals? " + mediaAuthListClone.equals(mediaAuthList)); PathList pathListClone = (PathList) pathList.clone(); System.out.println(" --> Path list clone = " + pathListClone.toString()); System.out.println(" equals? " + pathListClone.equals(pathList)); System.out.println(" pathClone -> path1 equals? " + pathListClone.equals(path1)); System.out.println(" path1 -> path2 equals? " + path1.equals(path2)); */ ////////////////////////////////////////////////// String sdpData = "v=0\r\n" + "o=4855 13760799956958020 13760799956958020" + " IN IP4 129.6.55.78\r\n" + "s=mysession session\r\n" + "p=+46 8 52018010\r\n" + "c=IN IP4 129.6.55.78\r\n" + "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n" // bandwith + "b=AS:25.4\r\n" // precondition mechanism + "a=curr:qos local none\r\n" + "a=curr:qos remote none\r\n" + "a=des:qos mandatory local sendrec\r\n" + "a=des:qos none remote sendrec\r\n" + "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n" + "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n"; byte[] contents = sdpData.getBytes(); request.setContent(contents, contentTypeHeader); // You can add as many extension headers as you // want. extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value "); request.addHeader(extensionHeader); Header callInfoHeader = headerFactory.createHeader("Call-Info", ""); request.addHeader(callInfoHeader); // Create the client transaction. inviteTid = sipProvider.getNewClientTransaction(request); // send the request out. inviteTid.sendRequest(); dialog = inviteTid.getDialog(); } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); usage(); } } public static void main(String args[]) { new Shootist().init(); } public void processIOException(IOExceptionEvent exceptionEvent) { System.out.println("IOException happened for " + exceptionEvent.getHost() + " port = " + exceptionEvent.getPort()); } public void processTransactionTerminated( TransactionTerminatedEvent transactionTerminatedEvent) { System.out.println("Transaction terminated event recieved"); } public void processDialogTerminated( DialogTerminatedEvent dialogTerminatedEvent) { System.out.println("dialogTerminatedEvent"); } }




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