示例#1
0
void CIcqProto::handleUserOffline(BYTE *buf, size_t wLen)
{
	DWORD dwUIN;
	uid_str szUID;

	do {
		oscar_tlv_chain *pChain = NULL;
		// Unpack the sender's user ID
		if (!unpackUID(&buf, &wLen, &dwUIN, &szUID)) return;

		// Warning level?
		buf += 2;

		// TLV Count
		WORD wTLVCount;
		unpackWord(&buf, &wTLVCount);
		wLen -= 4;

		// Skip the TLV chain
		DWORD dwAwaySince = 0;
		while (wTLVCount && wLen >= 4) {
			WORD wTLVType;
			WORD wTLVLen;

			unpackWord(&buf, &wTLVType);
			unpackWord(&buf, &wTLVLen);
			wLen -= 4;

			// stop parsing overflowed packet
			if (wTLVLen > wLen) {
				disposeChain(&pChain);
				return;
			}

			if (wTLVType == 0x1D) {
				// read only TLV with Session data into chain
				BYTE *pTLV = buf - 4;
				disposeChain(&pChain);
				pChain = readIntoTLVChain(&pTLV, wLen + 4, 1);
			}
			else if (wTLVType == 0x29 && wTLVLen == sizeof(DWORD)) {
				// get Away Since value
				BYTE *pData = buf;
				unpackDWord(&pData, &dwAwaySince);
			}

			buf += wTLVLen;
			wLen -= wTLVLen;
			wTLVCount--;
		}

		// Determine contact
		MCONTACT hContact = HContactFromUID(dwUIN, szUID, NULL);

		// Skip contacts that are not already on our list or are already offline
		if (hContact != INVALID_CONTACT_ID) {
			WORD wOldStatus = getContactStatus(hContact);

			// Process Avatar Hash
			oscar_tlv *pAvatarTLV = pChain ? pChain->getTLV(0x1D, 1) : NULL;
			if (pAvatarTLV)
				handleAvatarContactHash(dwUIN, szUID, hContact, pAvatarTLV->pData, pAvatarTLV->wLen);
			else
				handleAvatarContactHash(dwUIN, szUID, hContact, NULL, 0);

			// Process Status Note (offline status note)
			parseStatusNote(dwUIN, szUID, hContact, pChain);

			// Update status times
			setDword(hContact, "IdleTS", 0);
			setDword(hContact, "AwayTS", dwAwaySince);

			// Clear custom status & mood
			char tmp = NULL;
			handleXStatusCaps(dwUIN, szUID, hContact, (BYTE*)&tmp, 0, &tmp, 0);

			if (wOldStatus != ID_STATUS_OFFLINE) {
				debugLogA("%s went offline.", strUID(dwUIN, szUID));

				setWord(hContact, "Status", ID_STATUS_OFFLINE);
				// close Direct Connections to that user
				CloseContactDirectConns(hContact);
				// Reset DC status
				setByte(hContact, "DCStatus", 0);
			}
			else debugLogA("%s is offline.", strUID(dwUIN, szUID));
		}

		// Release memory
		disposeChain(&pChain);
	}
	while (wLen >= 1);
}
示例#2
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");
}