Exemplo n.º 1
0
// End the tracking of the routing table
void RouteTrackingStop(SESSION *s, ROUTE_TRACKING *t)
{
	ROUTE_ENTRY *e;
	ROUTE_TABLE *table;
	IP dns_ip;
	bool network_has_changed = false;
	bool do_not_delete_routing_entry = false;
	// Validate arguments
	if (s == NULL || t == NULL)
	{
		return;
	}

	Zero(&dns_ip, sizeof(dns_ip));

	// Remove the default gateway added by the virtual LAN card
	if (MsIsVista() == false)
	{
		if (t->DefaultGatewayByVLan != NULL)
		{
			Debug("Default Gateway by VLAN was deleted.\n");
			DeleteRouteEntry(t->DefaultGatewayByVLan);
		}

		if (t->VistaOldDefaultGatewayByVLan != NULL)
		{
			FreeRouteEntry(t->VistaOldDefaultGatewayByVLan);
		}
	}

	if (t->DefaultGatewayByVLan != NULL)
	{
		FreeRouteEntry(t->DefaultGatewayByVLan);
		t->DefaultGatewayByVLan = NULL;
	}

	if (t->VistaDefaultGateway1 != NULL)
	{
		Debug("Vista PPP Fix Route Table Deleted.\n");
		DeleteRouteEntry(t->VistaDefaultGateway1);
		FreeRouteEntry(t->VistaDefaultGateway1);

		DeleteRouteEntry(t->VistaDefaultGateway2);
		FreeRouteEntry(t->VistaDefaultGateway2);
	}

	if (MsIsNt() == false)
	{
		// Only in the case of Windows 9x, release the DHCP address of the virtual LAN card
		Win32ReleaseDhcp9x(t->VLanInterfaceId, false);
	}

	// Clear the DNS cache
	Win32FlushDnsCache();

	if (s->Cedar->Client != NULL && s->Account != NULL)
	{
		UINT i;
		ACCOUNT *a;
		for (i = 0;i < LIST_NUM(s->Cedar->Client->AccountList);i++)
		{
			a = LIST_DATA(s->Cedar->Client->AccountList, i);
			Lock(a->lock);
			{
				SESSION *sess = a->ClientSession;
				if (sess != NULL && sess != s)
				{
					VLAN *v = sess->PacketAdapter->Param;
					if (v != NULL)
					{
						ROUTE_TRACKING *tr = v->RouteState;
						if (tr != NULL)
						{
							if (Cmp(tr->RouteToServer, t->RouteToServer, sizeof(ROUTE_ENTRY)) == 0)
							{
								do_not_delete_routing_entry = true;
							}
						}
					}
				}
			}
			Unlock(a->lock);
		}

		Lock(s->Account->lock);
	}

	if (do_not_delete_routing_entry == false)
	{
		// Delete the route that is added firstly
		if (t->RouteToServerAlreadyExists == false)
		{
			DeleteRouteEntry(t->RouteToServer);
		}

		DeleteRouteEntry(t->RouteToDefaultDns);

		DeleteRouteEntry(t->RouteToNatTServer);

		DeleteRouteEntry(t->RouteToRealServerGlobal);
	}

	FreeRouteEntry(t->RouteToDefaultDns);
	FreeRouteEntry(t->RouteToServer);
	FreeRouteEntry(t->RouteToEight);
	FreeRouteEntry(t->RouteToNatTServer);
	FreeRouteEntry(t->RouteToRealServerGlobal);
	t->RouteToDefaultDns = t->RouteToServer = t->RouteToEight =
		t->RouteToNatTServer = t->RouteToRealServerGlobal = NULL;

	if (s->Cedar->Client != NULL && s->Account != NULL)
	{
		Unlock(s->Account->lock);
	}

#if	0
	// Get the current DNS server
	if (GetDefaultDns(&dns_ip))
	{
		if (IPToUINT(&t->OldDnsServer) != 0)
		{
			if (IPToUINT(&t->OldDnsServer) != IPToUINT(&dns_ip))
			{
				char s1[MAX_SIZE], s2[MAX_SIZE];
				network_has_changed = true;
				IPToStr(s1, sizeof(s1), &t->OldDnsServer);
				IPToStr(s2, sizeof(s2), &dns_ip);
				Debug("Old Dns: %s, New Dns: %s\n",
					s1, s2);
			}
		}
	}

	if (network_has_changed == false)
	{
		Debug("Network: not changed.\n");
	}
	else
	{
		Debug("Network: Changed.\n");
	}

#endif

	// Get the current routing table
	table = GetRouteTable();

	// Restore the routing table which has been removed so far
	while (e = GetNext(t->DeletedDefaultGateway))
	{
		bool restore = true;
		UINT i;
		// If the restoring routing entry is a default gateway and
		// the existing routing table contains another default gateway
		// on the interface, give up restoring the entry
		if (IPToUINT(&e->DestIP) == 0 && IPToUINT(&e->DestMask) == 0)
		{
			for (i = 0;i < table->NumEntry;i++)
			{
				ROUTE_ENTRY *r = table->Entry[i];
				if (IPToUINT(&r->DestIP) == 0 && IPToUINT(&r->DestMask) == 0)
				{
					if (r->InterfaceID == e->InterfaceID)
					{
						restore = false;
					}
				}
			}
			if (network_has_changed)
			{
				restore = false;
			}
		}

		if (restore)
		{
			// Routing table restoration
			AddRouteEntry(e);
		}

		// Memory release
		FreeRouteEntry(e);
	}

	// Release
	FreeRouteTable(table);
	ReleaseQueue(t->DeletedDefaultGateway);

	FreeRouteChange(t->RouteChange);

	Free(t);
}
Exemplo n.º 2
0
// Routing table tracking main
void RouteTrackingMain(SESSION *s)
{
	ROUTE_TRACKING *t;
	UINT64 now;
	ROUTE_TABLE *table;
	ROUTE_ENTRY *rs;
	bool changed = false;
	bool check = false;
	bool any_modified = false;
	// Validate arguments
	if (s == NULL)
	{
		return;
	}
	if (s->ClientModeAndUseVLan == false)
	{
		return;
	}

	// Get the state
	t = ((VLAN *)s->PacketAdapter->Param)->RouteState;
	if (t == NULL)
	{
		return;
	}

	// Current time
	PROBE_STR("RouteTrackingMain 1");
	now = Tick64();

	if (t->RouteChange != NULL)
	{
		if (t->NextRouteChangeCheckTime == 0 ||
			t->NextRouteChangeCheckTime <= now)
		{
			t->NextRouteChangeCheckTime = now + 1000ULL;

			check = IsRouteChanged(t->RouteChange);

			if (check)
			{
				Debug("*** Routing Table Changed ***\n");
				t->NextTrackingTime = 0;
			}
		}
	}
	if (t->NextTrackingTime != 0 && t->NextTrackingTime > now)
	{
		if (s->UseUdpAcceleration && s->UdpAccel != NULL && s->UdpAccel->NatT_IP_Changed)
		{
			// Check always if the IP address of the NAT-T server has changed
		}
		else
		{
			PROBE_STR("RouteTrackingMain 2");
			return;
		}
	}
	PROBE_STR("RouteTrackingMain 3");

	if (s->UseUdpAcceleration && s->UdpAccel != NULL)
	{
		IP nat_t_ip;

		s->UdpAccel->NatT_IP_Changed = false;

		Zero(&nat_t_ip, sizeof(nat_t_ip));

		Lock(s->UdpAccel->NatT_Lock);
		{
			Copy(&nat_t_ip, &s->UdpAccel->NatT_IP, sizeof(IP));
		}
		Unlock(s->UdpAccel->NatT_Lock);

		// Add a route to the NAT-T server
		if (IsZeroIp(&nat_t_ip) == false)
		{
			if (t->RouteToNatTServer == NULL)
			{
				if (t->RouteToEight != NULL)
				{
					ROUTE_ENTRY *e = Clone(t->RouteToEight, sizeof(ROUTE_ENTRY));
					char ip_str[64];
					char ip_str2[64];

					Copy(&e->DestIP, &nat_t_ip, sizeof(IP));
					e->Metric = e->OldIfMetric;

					IPToStr(ip_str, sizeof(ip_str), &e->DestIP);
					IPToStr(ip_str2, sizeof(ip_str2), &e->GatewayIP);

					t->RouteToNatTServer = e;

					if (AddRouteEntry(t->RouteToNatTServer))
					{
						Debug("Adding Static Route to %s via %s metric %u: ok.\n", ip_str, ip_str2, e->Metric);
					}
					else
					{
						FreeRouteEntry(t->RouteToNatTServer);
						t->RouteToNatTServer = NULL;
					}
				}
			}
		}
	}

	// Get the current routing table
	table = GetRouteTable();
	rs = t->RouteToServer;
	if (table != NULL)
	{
		UINT i;
		bool route_to_server_erased = true;
		bool is_vlan_want_to_be_default_gateway = false;
		UINT vlan_default_gatewat_metric = 0;
		UINT other_if_default_gateway_metric_min = INFINITE;

		// Get whether the routing table have been changed
		if (t->LastRoutingTableHash != table->HashedValue)
		{
			t->LastRoutingTableHash = table->HashedValue;
			changed = true;
		}

		//DebugPrintRouteTable(table);

		// Scan the routing table
		for (i = 0;i < table->NumEntry;i++)
		{
			ROUTE_ENTRY *e = table->Entry[i];

			if (rs != NULL)
			{
				if (CmpIpAddr(&e->DestIP, &rs->DestIP) == 0 &&
					CmpIpAddr(&e->DestMask, &rs->DestMask) == 0
//					&& CmpIpAddr(&e->GatewayIP, &rs->GatewayIP) == 0
//					&& e->InterfaceID == rs->InterfaceID &&
//					e->LocalRouting == rs->LocalRouting &&
//					e->Metric == rs->Metric
					)
				{
					// Routing entry to the server that added at the time of connection is found
					route_to_server_erased = false;
				}
			}

			// Search for the default gateway
			if (IPToUINT(&e->DestIP) == 0 &&
				IPToUINT(&e->DestMask) == 0)
			{
				Debug("e->InterfaceID = %u, t->VLanInterfaceId = %u\n",
					e->InterfaceID, t->VLanInterfaceId);

				if (e->InterfaceID == t->VLanInterfaceId)
				{
					// The virtual LAN card think that he want to be a default gateway
					is_vlan_want_to_be_default_gateway = true;
					vlan_default_gatewat_metric = e->Metric;

					if (vlan_default_gatewat_metric >= 2 &&
						t->OldDefaultGatewayMetric == (vlan_default_gatewat_metric - 1))
					{
						// Restore because the PPP server rewrites
						// the routing table selfishly
						DeleteRouteEntry(e);
						e->Metric--;
						AddRouteEntry(e);
						Debug("** Restore metric destroyed by PPP.\n");

						any_modified = true;
					}

					// Keep this entry
					if (t->DefaultGatewayByVLan != NULL)
					{
						// Delete if there is one added last time
						FreeRouteEntry(t->DefaultGatewayByVLan);
					}

					t->DefaultGatewayByVLan = ZeroMalloc(sizeof(ROUTE_ENTRY));
					Copy(t->DefaultGatewayByVLan, e, sizeof(ROUTE_ENTRY));

					t->OldDefaultGatewayMetric = vlan_default_gatewat_metric;
				}
				else
				{
					// There are default gateway other than the virtual LAN card
					// Save the metric value of the default gateway
					if (other_if_default_gateway_metric_min > e->Metric)
					{
						// Ignore the metric value of all PPP connection in the case of Windows Vista
						if (MsIsVista() == false || e->PPPConnection == false)
						{
							other_if_default_gateway_metric_min = e->Metric;
						}
						else
						{
							// a PPP is used to Connect to the network
							// in using Windows Vista
							t->VistaAndUsingPPP = true;
						}
					}
				}
			}
		}

		if (t->VistaAndUsingPPP)
		{
			if (t->DefaultGatewayByVLan != NULL)
			{
				if (is_vlan_want_to_be_default_gateway)
				{
					if (t->VistaOldDefaultGatewayByVLan == NULL || Cmp(t->VistaOldDefaultGatewayByVLan, t->DefaultGatewayByVLan, sizeof(ROUTE_ENTRY)) != 0)
					{
						ROUTE_ENTRY *e;
						// Add the route of 0.0.0.0/1 and 128.0.0.0/1
						// to the system if the virtual LAN card should be
						// the default gateway in the case of the connection
						// using PPP in Windows Vista

						if (t->VistaOldDefaultGatewayByVLan != NULL)
						{
							FreeRouteEntry(t->VistaOldDefaultGatewayByVLan);
						}

						if (t->VistaDefaultGateway1 != NULL)
						{
							DeleteRouteEntry(t->VistaDefaultGateway1);
							FreeRouteEntry(t->VistaDefaultGateway1);

							DeleteRouteEntry(t->VistaDefaultGateway2);
							FreeRouteEntry(t->VistaDefaultGateway2);
						}

						t->VistaOldDefaultGatewayByVLan = Clone(t->DefaultGatewayByVLan, sizeof(ROUTE_ENTRY));

						e = Clone(t->DefaultGatewayByVLan, sizeof(ROUTE_ENTRY));
						SetIP(&e->DestIP, 0, 0, 0, 0);
						SetIP(&e->DestMask, 128, 0, 0, 0);
						t->VistaDefaultGateway1 = e;

						e = Clone(t->DefaultGatewayByVLan, sizeof(ROUTE_ENTRY));
						SetIP(&e->DestIP, 128, 0, 0, 0);
						SetIP(&e->DestMask, 128, 0, 0, 0);
						t->VistaDefaultGateway2 = e;

						AddRouteEntry(t->VistaDefaultGateway1);
						AddRouteEntry(t->VistaDefaultGateway2);

						Debug("Vista PPP Fix Route Table Added.\n");

						any_modified = true;
					}
				}
				else
				{
					if (t->VistaOldDefaultGatewayByVLan != NULL)
					{
						FreeRouteEntry(t->VistaOldDefaultGatewayByVLan);
						t->VistaOldDefaultGatewayByVLan = NULL;
					}

					if (t->VistaDefaultGateway1 != NULL)
					{
						Debug("Vista PPP Fix Route Table Deleted.\n");
						DeleteRouteEntry(t->VistaDefaultGateway1);
						FreeRouteEntry(t->VistaDefaultGateway1);

						DeleteRouteEntry(t->VistaDefaultGateway2);
						FreeRouteEntry(t->VistaDefaultGateway2);

						any_modified = true;

						t->VistaDefaultGateway1 = t->VistaDefaultGateway2 = NULL;
					}
				}
			}
		}

		// If the virtual LAN card want to be the default gateway and
		// there is no LAN card with smaller metric of 0.0.0.0/0 than
		// the virtual LAN card, delete other default gateway entries
		// to elect the virtual LAN card as the default gateway
//		Debug("is_vlan_want_to_be_default_gateway = %u, rs = %u, route_to_server_erased = %u, other_if_default_gateway_metric_min = %u, vlan_default_gatewat_metric = %u\n",
//			is_vlan_want_to_be_default_gateway, rs, route_to_server_erased, other_if_default_gateway_metric_min, vlan_default_gatewat_metric);
		if (is_vlan_want_to_be_default_gateway && (rs != NULL && route_to_server_erased == false) &&
			other_if_default_gateway_metric_min >= vlan_default_gatewat_metric)
		{
			// Scan the routing table again
			for (i = 0;i < table->NumEntry;i++)
			{
				ROUTE_ENTRY *e = table->Entry[i];

				if (e->InterfaceID != t->VLanInterfaceId)
				{
					if (IPToUINT(&e->DestIP) == 0 &&
					IPToUINT(&e->DestMask) == 0)
					{
						char str[64];
						// Default gateway is found
						ROUTE_ENTRY *r = ZeroMalloc(sizeof(ROUTE_ENTRY));

						Copy(r, e, sizeof(ROUTE_ENTRY));

						// Put in the queue
						InsertQueue(t->DeletedDefaultGateway, r);

						// Delete this gateway entry once
						DeleteRouteEntry(e);

						IPToStr(str, sizeof(str), &e->GatewayIP);
						Debug("Default Gateway %s Deleted.\n", str);

						any_modified = true;
					}
				}
			}
		}

		if (rs != NULL && route_to_server_erased)
		{
			// Physical entry to the server has disappeared
			Debug("Route to Server entry ERASED !!!\n");

			// Forced disconnection (reconnection enabled)
			s->RetryFlag = true;
			s->Halt = true;
		}

		// Release the routing table
		FreeRouteTable(table);
	}

	// Set the time to perform the next track
	if (t->NextTrackingTimeAdd == 0 || changed)
	{
		t->NextTrackingTimeAdd = TRACKING_INTERVAL_INITIAL;
	}
	else
	{
		UINT64 max_value = TRACKING_INTERVAL_MAX;
		if (t->RouteChange != NULL)
		{
			max_value = TRACKING_INTERVAL_MAX_RC;
		}

		t->NextTrackingTimeAdd += TRACKING_INTERVAL_ADD;

		if (t->NextTrackingTimeAdd >= max_value)
		{
			t->NextTrackingTimeAdd = max_value;
		}
	}
	//Debug("t->NextTrackingTimeAdd = %I64u\n", t->NextTrackingTimeAdd);
	t->NextTrackingTime = now + t->NextTrackingTimeAdd;

	if (any_modified)
	{
		// Clear the DNS cache
		Win32FlushDnsCache();
	}
}
Exemplo n.º 3
0
// Start tracking of the routing table
void RouteTrackingStart(SESSION *s)
{
	VLAN *v;
	ROUTE_TRACKING *t;
	UINT if_id = 0;
	ROUTE_ENTRY *e;
	ROUTE_ENTRY *dns = NULL;
	ROUTE_ENTRY *route_to_real_server_global = NULL;
	char tmp[64];
	UINT exclude_if_id = 0;
	bool already_exists = false;
	bool already_exists_by_other_account = false;
	IP eight;
	// Validate arguments
	if (s == NULL)
	{
		return;
	}

	v = (VLAN *)s->PacketAdapter->Param;
	if (v->RouteState != NULL)
	{
		return;
	}

	// Get the interface ID of the virtual LAN card
	if_id = GetInstanceId(v->InstanceName);
	Debug("[InstanceId of %s] = 0x%x\n", v->InstanceName, if_id);

	if (MsIsVista())
	{
		// The routing table by the virtual LAN card body should be
		// excluded explicitly in Windows Vista
		exclude_if_id = if_id;
	}

	// Get the route to the server
	e = GetBestRouteEntryEx(&s->ServerIP, exclude_if_id);
	if (e == NULL)
	{
		// Acquisition failure
		Debug("Failed to get GetBestRouteEntry().\n");
		return;
	}
	IPToStr(tmp, sizeof(tmp), &e->GatewayIP);
	Debug("GetBestRouteEntry() Succeed. [Gateway: %s]\n", tmp);

	// Add a route
	if (MsIsVista())
	{
		e->Metric = e->OldIfMetric;
	}
	if (AddRouteEntryEx(e, &already_exists) == false)
	{
		FreeRouteEntry(e);
		e = NULL;
	}
	Debug("already_exists: %u\n", already_exists);

	if (already_exists)
	{
		if (s->Cedar->Client != NULL && s->Account != NULL)
		{
			UINT i;
			ACCOUNT *a;
			for (i = 0;i < LIST_NUM(s->Cedar->Client->AccountList);i++)
			{
				a = LIST_DATA(s->Cedar->Client->AccountList, i);
				Lock(a->lock);
				{
					SESSION *sess = a->ClientSession;
					if (sess != NULL && sess != s)
					{
						VLAN *v = sess->PacketAdapter->Param;
						if (v != NULL)
						{
							ROUTE_TRACKING *tr = v->RouteState;
							if (tr != NULL && e != NULL)
							{
								if (Cmp(tr->RouteToServer, e, sizeof(ROUTE_ENTRY)) == 0)
								{
									already_exists_by_other_account = true;
								}
							}
						}
					}
				}
				Unlock(a->lock);
			}
		}

		if (already_exists_by_other_account)
		{
			Debug("already_exists_by_other_account = %u\n", already_exists_by_other_account);
			already_exists = false;
		}
	}

	// Get the routing table to the DNS server
	// (If the DNS server is this PC itself, there's no need to get)
	if (IsZeroIP(&s->DefaultDns) == false)
	{
		if (IsMyIPAddress(&s->DefaultDns) == false)
		{
			dns = GetBestRouteEntryEx(&s->DefaultDns, exclude_if_id);
			if (dns == NULL)
			{
				// Getting failure
				Debug("Failed to get GetBestRouteEntry DNS.\n");
			}
			else
			{
				// Add a route
				if (MsIsVista())
				{
					dns->Metric = dns->OldIfMetric;

					if (AddRouteEntry(dns) == false)
					{
						FreeRouteEntry(dns);
						dns = NULL;
					}
				}
			}
		}
	}

	if (s->IsAzureSession && IsZeroIP(&s->AzureRealServerGlobalIp) == false)
	{
		// Add also a static route to the real server in the case of via VPN Azure
		if (IsMyIPAddress(&s->AzureRealServerGlobalIp) == false)
		{
			route_to_real_server_global = GetBestRouteEntryEx(&s->AzureRealServerGlobalIp, exclude_if_id);

			if (route_to_real_server_global != NULL)
			{
				if (MsIsVista())
				{
					route_to_real_server_global->Metric = route_to_real_server_global->OldIfMetric;
				}

				if (AddRouteEntry(route_to_real_server_global) == false)
				{
					FreeRouteEntry(route_to_real_server_global);
					route_to_real_server_global = NULL;
				}
			}
		}
	}

	// Initialize
	if (s->Cedar->Client != NULL && s->Account != NULL)
	{
		Lock(s->Account->lock);
	}

	t = ZeroMalloc(sizeof(ROUTE_TRACKING));
	v->RouteState = t;

	t->RouteToServerAlreadyExists = already_exists;
	t->RouteToServer = e;
	t->RouteToDefaultDns = dns;
	t->RouteToRealServerGlobal = route_to_real_server_global;
	t->VLanInterfaceId = if_id;
	t->NextTrackingTime = 0;
	t->DeletedDefaultGateway = NewQueue();
	t->OldDefaultGatewayMetric = 0x7fffffff;

	if (s->Cedar->Client != NULL && s->Account != NULL)
	{
		Unlock(s->Account->lock);
	}

	// Get the route to 8.8.8.8
	SetIP(&eight, 8, 8, 8, 8);
	t->RouteToEight = GetBestRouteEntryEx(&eight, exclude_if_id);

	// Get the current default DNS server to detect network changes
	GetDefaultDns(&t->OldDnsServer);

	// Get as soon as releasing the IP address in the case of using DHCP
	if (IsNt())
	{
		char tmp[MAX_SIZE];
		MS_ADAPTER *a;

		Format(tmp, sizeof(tmp), VLAN_ADAPTER_NAME_TAG, v->InstanceName);
		a = MsGetAdapter(tmp);

		if (a != NULL)
		{
			if (a->UseDhcp)
			{
				bool ret = Win32ReleaseAddressByGuidEx(a->Guid, 100);
				Debug("*** Win32ReleaseAddressByGuidEx = %u\n", ret);

				ret = Win32RenewAddressByGuidEx(a->Guid, 100);
				Debug("*** Win32RenewAddressByGuidEx = %u\n", ret);
			}

			MsFreeAdapter(a);
		}
	}
	else
	{
		// For Win9x
		Win32RenewDhcp9x(if_id);
	}

	// Clear the DNS cache
	Win32FlushDnsCache();

	// Detect a change in the routing table (for only supported OS)
	t->RouteChange = NewRouteChange();
	Debug("t->RouteChange = 0x%p\n", t->RouteChange);
}
Exemplo n.º 4
0
bool Manager::Init(PArgList &args)
{
    std::cout << __func__ << std::endl;
    // Parse various command line arguments
    args.Parse(
        "u-user:"******"c-password:"******"l-localaddress:"
        "o-opallog:"
        "p-listenport:"
        "P-protocol:"
        "R-register:"
        "x-execute:"
        "f-file:"
        "g-gatekeeper:"
        "w-gateway:"
        "h-help:"
    );


    if (args.HasOption('h')) {
        print_help();
        return false;
    }

    // enable opal logging if requested.
    if (args.HasOption('o'))
        PTrace::Initialise(5, args.GetOptionString('o'));

    if (!args.HasOption('P')) {
        std::cerr << "please define a protocol to use!" << std::endl;
        return false;
    }

    if (args.HasOption('p')) {
        TPState::Instance().SetListenPort(
            args.GetOptionString('p').AsInteger());
    }

    if (args.HasOption('l')) {
        TPState::Instance().SetLocalAddress(args.GetOptionString('l'));
    }

    string protocol = stringify(args.GetOptionString('P'));
    if (!protocol.compare("sip")) {
        cout << "initialising SIP endpoint..." << endl;
        sipep = new SIPEndPoint(*this);

        sipep->SetRetryTimeouts(10000, 30000);
        sipep->SetSendUserInputMode(OpalConnection::SendUserInputAsRFC2833);
        // AddRouteEntry("pc:.* = sip:<da>");
        // AddRouteEntry("sip:.* = pc:<db>");
        AddRouteEntry("local:.* = sip:<da>");
        AddRouteEntry("sip:.* = local:<db>");

        if (args.HasOption('u')) {
            sipep->SetDefaultLocalPartyName(args.GetOptionString('u'));
        }

        if (args.HasOption('c')) {
            SIPRegister::Params param;
            param.m_registrarAddress = args.GetOptionString('w');
            param.m_addressOfRecord = args.GetOptionString('u');
            param.m_password = args.GetOptionString('c');
            param.m_realm = args.GetOptionString('g');

            PString *aor = new PString("");
            //sipep->SetProxy(args.GetOptionString('w'));

            if (!StartListener()) {
                return false;
            }

            if (!sipep->Register(param, *aor)) {
                cout
                        << "Could not register to "
                        << param.m_registrarAddress << endl;
                return false;
            }
            else {
                cout
                        << "registered as "
                        << aor->GetPointer(aor->GetSize()) << endl;
            }
        }

        TPState::Instance().SetProtocol(TPState::SIP);

    } else if (!protocol.compare("h323")) {
        cout << "initialising H.323 endpoint..." << endl;
        h323ep = new H323EndPoint(*this);
        AddRouteEntry("pc:.*             = h323:<da>");
        AddRouteEntry("h323:.* = pc:<da>");
        if (args.HasOption('u')) {
            h323ep->SetDefaultLocalPartyName(args.GetOptionString('u'));
        }

        TPState::Instance().SetProtocol(TPState::H323);

    } else if (!protocol.compare("rtp")) {
        cout << "initialising RTP endpoint..." << endl;
        TPState::Instance().SetProtocol(TPState::RTP);

    } else {
        std::cerr << "invalid protocol" << std::endl;
        return false;
    }

    if (args.HasOption('w')) {
        std::string val = args.GetOptionString('w');
        TPState::Instance().SetGateway(val);
    }

    SetAudioJitterDelay(20, 1000);
    DisableDetectInBandDTMF(true);

    localep = new LocalEndPoint(*this);

    TPState::Instance().SetManager(this);
    return true;
}