Esempio n. 1
0
void CIcqProto::handleCloseChannel(BYTE *buf, WORD datalen, serverthread_info *info)
{
    oscar_tlv_chain *chain = NULL;

    // Parse server reply, prepare reconnection
    if (!info->bLoggedIn && datalen && !info->newServerReady)
        handleLoginReply(buf, datalen, info);

    if (info->isMigrating)
        handleMigration(info);

    if ((!info->bLoggedIn || info->isMigrating) && info->newServerReady)
    {
        if (!connectNewServer(info))
        {   // Connecting failed
            if (info->isMigrating)
                icq_LogUsingErrorCode(LOG_ERROR, GetLastError(), LPGEN("Unable to connect to migrated ICQ communication server"));
            else
                icq_LogUsingErrorCode(LOG_ERROR, GetLastError(), LPGEN("Unable to connect to ICQ communication server"));

            SetCurrentStatus(ID_STATUS_OFFLINE);

            info->isMigrating = 0;
        }
        info->newServerReady = 0;

        return;
    }

    if (chain = readIntoTLVChain(&buf, datalen, 0))
    {
        // TLV 9 errors (runtime errors?)
        WORD wError = chain->getWord(0x09, 1);
        if (wError)
        {
            SetCurrentStatus(ID_STATUS_OFFLINE);

            handleRuntimeError(wError);
        }

        disposeChain(&chain);
    }
    // Server closed connection on error, or sign off
    NetLib_CloseConnection(&hServerConn, TRUE);
}
Esempio n. 2
0
void CIcqProto::sendServPacket(icq_packet *pPacket)
{
	// make sure to have the connection handle
	connectionHandleMutex->Enter();

	if (hServerConn)
	{
		int nSendResult;

		// This critsec makes sure that the sequence order doesn't get screwed up
		localSeqMutex->Enter();

		// :IMPORTANT:
		// The FLAP sequence must be a WORD. When it reaches 0xFFFF it should wrap to
		// 0x0000, otherwise we'll get kicked by server.
		wLocalSequence++;

		// Pack sequence number
		pPacket->pData[2] = ((wLocalSequence & 0xff00) >> 8);
		pPacket->pData[3] = (wLocalSequence & 0x00ff);

		nSendResult = Netlib_Send(hServerConn, (const char *)pPacket->pData, pPacket->wLen, 0);

		localSeqMutex->Leave();
		connectionHandleMutex->Leave();

		// Send error
		if (nSendResult == SOCKET_ERROR)
		{
			icq_LogUsingErrorCode(LOG_ERROR, GetLastError(), LPGEN("Your connection with the ICQ server was abortively closed"));
			icq_serverDisconnect(FALSE);

			if (m_iStatus != ID_STATUS_OFFLINE)
			{
				SetCurrentStatus(ID_STATUS_OFFLINE);
			}
		}
		else
		{ // Rates management
			icq_lock l(m_ratesMutex);
			m_rates->packetSent(pPacket);
		}

	}
	else
	{
Esempio n. 3
0
void __cdecl CIcqProto::ServerThread(serverthread_start_info *infoParam)
{
	serverthread_info info = {0};

	info.isLoginServer = 1;
	info.wAuthKeyLen = infoParam->wPassLen;
	null_strcpy((char*)info.szAuthKey, infoParam->szPass, info.wAuthKeyLen);
	// store server port
	info.wServerPort = infoParam->nloc.wPort;

	srand(time(NULL));

	ResetSettingsOnConnect();

	// Connect to the login server
	NetLog_Server("Authenticating to server");
	{
		NETLIBOPENCONNECTION nloc = infoParam->nloc;
		nloc.timeout = 6;
		if (m_bGatewayMode)
			nloc.flags |= NLOCF_HTTPGATEWAY;

		hServerConn = NetLib_OpenConnection(m_hServerNetlibUser, NULL, &nloc);

		SAFE_FREE((void**)&nloc.szHost);
		SAFE_FREE((void**)&infoParam);

		if (hServerConn && m_bSecureConnection)
		{
			if (!CallService(MS_NETLIB_STARTSSL, (WPARAM)hServerConn, 0))
			{
				icq_LogMessage(LOG_ERROR, LPGEN("Unable to connect to ICQ login server, SSL could not be negotiated"));
				SetCurrentStatus(ID_STATUS_OFFLINE);
				NetLib_CloseConnection(&hServerConn, TRUE);
				return;
			}
		}

	}

	// Login error
	if (hServerConn == NULL)
	{
		DWORD dwError = GetLastError();

		SetCurrentStatus(ID_STATUS_OFFLINE);

		icq_LogUsingErrorCode(LOG_ERROR, dwError, LPGEN("Unable to connect to ICQ login server"));
		return;
	}

	// Initialize direct connection ports
	{
		DWORD dwInternalIP;
		BYTE bConstInternalIP = getSettingByte(NULL, "ConstRealIP", 0);

		info.hDirectBoundPort = NetLib_BindPort(icq_newConnectionReceived, this, &wListenPort, &dwInternalIP);
		if (!info.hDirectBoundPort)
		{
			icq_LogUsingErrorCode(LOG_WARNING, GetLastError(), LPGEN("Miranda was unable to allocate a port to listen for direct peer-to-peer connections between clients. You will be able to use most of the ICQ network without problems but you may be unable to send or receive files.\n\nIf you have a firewall this may be blocking Miranda, in which case you should configure your firewall to leave some ports open and tell Miranda which ports to use in M->Options->ICQ->Network."));
			wListenPort = 0;
			if (!bConstInternalIP) deleteSetting(NULL, "RealIP");
		}
		else if (!bConstInternalIP)
			setSettingDword(NULL, "RealIP", dwInternalIP);
	}

	// Initialize rate limiting queues
	{ 
		icq_lock l(m_ratesMutex);

		m_ratesQueue_Request = new rates_queue(this, "request", RML_IDLE_30, RML_IDLE_50, 1);
		m_ratesQueue_Response = new rates_queue(this, "response", RML_IDLE_10, RML_IDLE_30, -1);
	}

	// This is the "infinite" loop that receives the packets from the ICQ server
	{
		int recvResult;
		NETLIBPACKETRECVER packetRecv = {0};

		info.hPacketRecver = (HANDLE)CallService(MS_NETLIB_CREATEPACKETRECVER, (WPARAM)hServerConn, 0x2400);
		packetRecv.cbSize = sizeof(packetRecv);
		packetRecv.dwTimeout = INFINITE;
		while (serverThreadHandle)
		{
			if (info.bReinitRecver)
			{ // we reconnected, reinit struct
				info.bReinitRecver = 0;
				ZeroMemory(&packetRecv, sizeof(packetRecv));
				packetRecv.cbSize = sizeof(packetRecv);
				packetRecv.dwTimeout = INFINITE;
			}

			recvResult = CallService(MS_NETLIB_GETMOREPACKETS, (WPARAM)info.hPacketRecver, (LPARAM)&packetRecv);

			if (recvResult == 0)
			{
				NetLog_Server("Clean closure of server socket");
				break;
			}

			if (recvResult == SOCKET_ERROR)
			{
				NetLog_Server("Abortive closure of server socket, error: %d", GetLastError());
				break;
			}

			if (m_iDesiredStatus == ID_STATUS_OFFLINE)
			{ // Disconnect requested, send disconnect packet
				icq_sendCloseConnection();

				// disconnected upon request
				m_bConnectionLost = FALSE;
				SetCurrentStatus(ID_STATUS_OFFLINE);

				NetLog_Server("Logged off.");
				break;
			}

			// Deal with the packet
			packetRecv.bytesUsed = handleServerPackets(packetRecv.buffer, packetRecv.bytesAvailable, &info);
		}
		serverThreadHandle = NULL;

		// Time to shutdown
		NetLib_CloseConnection(&hServerConn, TRUE);

		// Close the packet receiver (connection may still be open)
		NetLib_SafeCloseHandle(&info.hPacketRecver);

		// Close DC port
		NetLib_SafeCloseHandle(&info.hDirectBoundPort);
	}

	// disable auto info-update thread
	icq_EnableUserLookup(FALSE);

	if (m_iStatus != ID_STATUS_OFFLINE && m_iDesiredStatus != ID_STATUS_OFFLINE)
	{
		if (!info.bLoggedIn)
			icq_LogMessage(LOG_FATAL, LPGEN("Connection failed.\nLogin sequence failed for unknown reason.\nTry again later."));

		// set flag indicating we were kicked out
		m_bConnectionLost = TRUE;

		SetCurrentStatus(ID_STATUS_OFFLINE);
	}

	// signal keep-alive thread to stop
	StopKeepAlive(&info);

	// Close all open DC connections
	CloseContactDirectConns(NULL);

	// Close avatar connection if any
	StopAvatarThread();

	// Offline all contacts
	HANDLE hContact = FindFirstContact();
	while (hContact)
	{
		DWORD dwUIN;
		uid_str szUID;

		if (!getContactUid(hContact, &dwUIN, &szUID))
		{
			if (getContactStatus(hContact) != ID_STATUS_OFFLINE)
			{
				char tmp = 0;

				setSettingWord(hContact, "Status", ID_STATUS_OFFLINE);

				handleXStatusCaps(dwUIN, szUID, hContact, (BYTE*)&tmp, 0, &tmp, 0);
			}
		}

		hContact = FindNextContact(hContact);
	}

	setSettingDword(NULL, "LogonTS", 0); // clear logon time

	servlistPendingFlushOperations(); // clear pending operations list

	{ // release rates queues
		icq_lock l(m_ratesMutex);

		SAFE_DELETE((void_struct**)&m_ratesQueue_Request);
		SAFE_DELETE((void_struct**)&m_ratesQueue_Response);
		SAFE_DELETE((void_struct**)&m_rates);
	}

	FlushServerIDs();         // clear server IDs list

	NetLog_Server("%s thread ended.", "Server");
}