Пример #1
0
        /// <summary>
        /// Starts proccessiong incoming connections (Accepts and queues connections).
        /// </summary>
        private void StartProcCons()
        {
            try{
                CircleCollection <IPBindInfo> binds = new CircleCollection <IPBindInfo>();
                foreach (IPBindInfo bindInfo in m_pBindInfo)
                {
                    Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                    s.Bind(new IPEndPoint(bindInfo.IP, bindInfo.Port));
                    s.Listen(500);

                    bindInfo.Tag = s;
                    binds.Add(bindInfo);
                }

                // Accept connections and queue them
                while (m_Running)
                {
                    // We have reached maximum connection limit
                    if (m_pSessions.Count > m_MaxConnections)
                    {
                        // Wait while some active connectins are closed
                        while (m_pSessions.Count > m_MaxConnections)
                        {
                            Thread.Sleep(100);
                        }
                    }

                    // Get incomong connection
                    IPBindInfo bindInfo = binds.Next();

                    // There is waiting connection
                    if (m_Running && ((Socket)bindInfo.Tag).Poll(0, SelectMode.SelectRead))
                    {
                        // Accept incoming connection
                        Socket s = ((Socket)bindInfo.Tag).Accept();

                        // Add session to queue
                        lock (m_pQueuedConnections){
                            m_pQueuedConnections.Enqueue(new QueuedConnection(s, bindInfo));
                        }
                    }

                    Thread.Sleep(2);
                }
            }
            catch (SocketException x) {
                // Socket listening stopped, happens when StopServer is called.
                // We need just skip this error.
                if (x.ErrorCode == 10004)
                {
                }
                else
                {
                    OnSysError("WE MUST NEVER REACH HERE !!! StartProcCons:", x);
                }
            }
            catch (Exception x) {
                OnSysError("WE MUST NEVER REACH HERE !!! StartProcCons:", x);
            }
        }
Пример #2
0
        /// <summary>
        /// Smart host relay session constructor.
        /// </summary>
        /// <param name="server">Owner relay server.</param>
        /// <param name="localBindInfo">Local bind info.</param>
        /// <param name="realyItem">Relay item.</param>
        /// <param name="smartHosts">Smart hosts.</param>
        /// <exception cref="ArgumentNullException">Is raised when <b>server</b>,<b>localBindInfo</b>,<b>realyItem</b> or <b>smartHosts</b>is null.</exception>
        /// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
        internal Relay_Session(Relay_Server server,IPBindInfo localBindInfo,Relay_QueueItem realyItem,Relay_SmartHost[] smartHosts)
        {
            if(server == null){
                throw new ArgumentNullException("server");
            }
            if(localBindInfo == null){
                throw new ArgumentNullException("localBindInfo");
            }
            if(realyItem == null){
                throw new ArgumentNullException("realyItem");
            }
            if(smartHosts == null){
                throw new ArgumentNullException("smartHosts");
            }

            m_pServer        = server;
            m_pLocalBindInfo = localBindInfo;
            m_pRelayItem     = realyItem;
            m_pSmartHosts    = smartHosts;

            m_RelayMode         = Relay_Mode.SmartHost;
            m_SessionID         = Guid.NewGuid().ToString();
            m_SessionCreateTime = DateTime.Now;
            m_pTargets          = new List<Relay_Target>();
            m_pSmtpClient       = new SMTP_Client();

            m_pSmtpClient.BdatEnabled = false;
        }
Пример #3
0
		/// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="sessionID">Session ID.</param>
        /// <param name="socket">Server connected socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
        /// <param name="server">Reference to server.</param>
        internal FTP_Session(string sessionID,SocketEx socket,IPBindInfo bindInfo,FTP_Server server) : base(sessionID,socket,bindInfo,server)
        {
            m_pServer = server;

			// Start session proccessing
			StartSession();
		}
Пример #4
0
        private string m_UserName = ""; // Holds USER command value

        #endregion Fields

        #region Constructors

        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="sessionID">Session ID.</param>
        /// <param name="socket">Server connected socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
        /// <param name="server">Reference to server.</param>
        internal POP3_Session(string sessionID,SocketEx socket,IPBindInfo bindInfo,POP3_Server server)
            : base(sessionID,socket,bindInfo,server)
        {
            m_pServer       = server;
            m_POP3_Messages = new POP3_MessageCollection();

            // Start session proccessing
            StartSession();
        }
Пример #5
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="sysSettings">Reference to system settings.</param>
 /// <param name="enabled">Specifies if SIP service is enabled.</param>
 /// <param name="proxyMode">Specifies SIP proxy server opearion mode.</param>
 /// <param name="minExpires">SIP minimum content expire time in seconds.</param>
 /// <param name="bindings">Specifies SIP listening info.</param>
 /// <param name="gateways">SIP gateways.</param>
 internal SIP_Settings(System_Settings sysSettings,bool enabled,SIP_ProxyMode proxyMode,int minExpires,IPBindInfo[] bindings,SIP_GatewayCollection gateways)
 {
     m_pSysSettings = sysSettings;
     m_Enabled      = enabled;
     m_ProxyMode    = proxyMode;
     m_MinExpires   = minExpires;
     m_pBinds       = bindings;
     m_pGateways    = gateways;
 }
Пример #6
0
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="sessionID">Session ID.</param>
        /// <param name="socket">Server connected socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
        /// <param name="server">Reference to server.</param>
        public SocketServerSession(string sessionID, SocketEx socket, IPBindInfo bindInfo, SocketServer server)
        {
            m_SessionID = sessionID;
            m_pSocket   = socket;
            m_pBindInfo = bindInfo;
            m_pServer   = server;

            m_SessionStartTime = DateTime.Now;
        }
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="sessionID">Session ID.</param>
        /// <param name="socket">Server connected socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
        /// <param name="server">Reference to server.</param>
        public SocketServerSession(string sessionID,SocketEx socket,IPBindInfo bindInfo,SocketServer server)
        {
            m_SessionID = sessionID;
            m_pSocket   = socket;
            m_pBindInfo = bindInfo;
            m_pServer   = server;

            m_SessionStartTime = DateTime.Now;
        }
Пример #8
0
		/// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="sessionID">Session ID.</param>
        /// <param name="socket">Server connected socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
        /// <param name="server">Reference to server.</param>
        internal SMTP_Session(string sessionID,SocketEx socket,IPBindInfo bindInfo,SMTP_Server server) : base(sessionID,socket,bindInfo,server)
        {	        
            m_pServer      = server;
			m_BodyType     = BodyType.x7_bit;
			m_Forward_path = new Hashtable();
			m_CmdValidator = new SMTP_Cmd_Validator();

			// Start session proccessing
			StartSession();
		}
Пример #9
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="sysSettings">Reference to system settings.</param>
 /// <param name="enabled">Specifies if IMAP service is enabled.</param>
 /// <param name="greeting">Greeting text.</param>
 /// <param name="idleTimeout">Session idle timeout seconds.</param>
 /// <param name="maxConnections">Maximum conncurent connections.</param>
 /// <param name="maxConnectionsPerIP">Maximum conncurent connections fro 1 IP address.</param>
 /// <param name="maxBadCommands">Maximum bad commands per session.</param>
 /// <param name="bindings">Specifies IMAP listening info.</param>
 internal IMAP_Settings(System_Settings sysSettings,bool enabled,string greeting,int idleTimeout,int maxConnections,int maxConnectionsPerIP,int maxBadCommands,IPBindInfo[] bindings)
 {
     m_pSysSettings   = sysSettings;
     m_Enabled        = enabled;
     m_Greeting       = greeting;
     m_IdleTimeout    = idleTimeout;
     m_MaxConnections = maxConnections;
     m_MaxConnsPerIP  = maxConnectionsPerIP;
     m_MaxBadCommands = maxBadCommands;
     m_pBinds         = bindings;
 }
Пример #10
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="sysSettings">Reference to system settings.</param>
 /// <param name="enabled">Specifies if SMTP service is enabled.</param>
 /// <param name="greeting">Greeting text.</param>
 /// <param name="defaultDomain">Default domain.</param>
 /// <param name="idleTimeOut">Session idle timeout seconds.</param>
 /// <param name="maxConnections">Maximum conncurent connections.</param>
 /// <param name="maxConnectionsPerIP">Maximum conncurent connections fro 1 IP address.</param>
 /// <param name="maxBadCommands">Maximum bad commands per session.</param>
 /// <param name="maxRecipients">Maximum recipients per message.</param>
 /// <param name="maxMessageSize">Maximum allowed message size.</param>
 /// <param name="maxTransactions">Maximum mail transactions per session.</param>
 /// <param name="requireAuth">Specifies if SMTP server is private server and requires authentication.</param>
 /// <param name="bindings">Specifies SMTP listening info.</param>
 internal SMTP_Settings(System_Settings sysSettings,bool enabled,string greeting,string defaultDomain,int idleTimeOut,int maxConnections,int maxConnectionsPerIP,int maxBadCommands,int maxRecipients,int maxMessageSize,int maxTransactions,bool requireAuth,IPBindInfo[] bindings)
 {
     m_pSysSettings       = sysSettings;
     m_Enabled            = enabled;
     m_GreetingText       = greeting;
     m_DefaultDomain      = defaultDomain;
     m_SessionIdleTimeOut = idleTimeOut;
     m_MaxConnections     = maxConnections;
     m_MaxConnsPerIP      = maxConnectionsPerIP;
     m_MaxBadCommnads     = maxBadCommands;
     m_MaxRecipientPerMsg = maxRecipients;
     m_MaxMessageSize     = maxMessageSize;
     m_MaxTransactions    = maxTransactions;
     m_RequireAuth        = requireAuth;
     m_pBinds             = bindings;
 }
Пример #11
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="sysSettings">Reference to system settings.</param>
 /// <param name="relayMode">Relay mode.</param>
 /// <param name="smartHostBalanceMode">Specifies how smart hosts will balance.</param>
 /// <param name="smartHosts">Smart hosts.</param>
 /// <param name="idleTimeout">Session idle timeout seconds.</param>
 /// <param name="maxConnections">Maximum conncurent conncetions.</param>
 /// <param name="maxConnectionsPerIP">Maximum conncurent conncetions to one IP address.</param>
 /// <param name="relayInterval">Relay messages interval seconds.</param>
 /// <param name="relayRetryInterval">Relay retry messages interval seconds.</param>
 /// <param name="undeliveredWarning">Specifies after how many minutes delayed delivery message is sent.</param>
 /// <param name="undelivered">Specifies after how many hours undelivered notification message is sent.</param>
 /// <param name="storeUndelivered">Specifies if undelivered messages are stored to "Undelivered" folder in mail store.</param>
 /// <param name="bindings">Specifies SMTP listening info.</param>
 internal Relay_Settings(System_Settings sysSettings,Relay_Mode relayMode,BalanceMode smartHostBalanceMode,Relay_SmartHost[] smartHosts,int idleTimeout,int maxConnections,int maxConnectionsPerIP,int relayInterval,int relayRetryInterval,int undeliveredWarning,int undelivered,bool storeUndelivered,IPBindInfo[] bindings)
 {
     m_pSysSettings          = sysSettings;
     m_RelayMode             = relayMode;
     m_SmartHostsBalanceMode = smartHostBalanceMode;
     m_pSmartHosts           = smartHosts;
     m_IdleTimeout           = idleTimeout;
     m_MaxConnections        = maxConnections;
     m_MaxConnectionsPerIP   = maxConnectionsPerIP;
     m_RelayInterval         = relayInterval;
     m_RelayRetryInterval    = relayRetryInterval;
     m_SendUndelWaringAfter  = undeliveredWarning;
     m_SendUndeliveredAfter  = undelivered;
     m_StoreUndeliveredMsgs  = storeUndelivered;
     m_pBinds                = bindings;
 }
Пример #12
0
        /// <summary>
        /// Compares the current instance with another object of the same type.
        /// </summary>
        /// <param name="obj">An object to compare with this instance.</param>
        /// <returns>Returns true if two objects are equal.</returns>
        public override bool Equals(object obj)
        {
            if (obj == null)
            {
                return(false);
            }
            if (!(obj is IPBindInfo))
            {
                return(false);
            }

            IPBindInfo bInfo = (IPBindInfo)obj;

            if (bInfo.HostName != m_HostName)
            {
                return(false);
            }
            if (bInfo.Protocol != m_Protocol)
            {
                return(false);
            }
            if (!bInfo.EndPoint.Equals(m_pEndPoint))
            {
                return(false);
            }
            if (bInfo.SslMode != m_SslMode)
            {
                return(false);
            }
            if (!X509Certificate.Equals(bInfo.Certificate, m_pCertificate))
            {
                return(false);
            }

            return(true);
        }
Пример #13
0
		/// <summary>
		/// Initialize and start new session here. Session isn't added to session list automatically, 
		/// session must add itself to server session list by calling AddSession().
		/// </summary>
		/// <param name="socket">Connected client socket.</param>
        /// <param name="bindInfo">BindInfo what accepted socket.</param>
		protected override void InitNewSession(Socket socket,IPBindInfo bindInfo)
		{
            // Check maximum conncurent connections from 1 IP.
            if(m_MaxConnectionsPerIP > 0){
                lock(this.Sessions){
                    int nSessions = 0;
                    foreach(SocketServerSession s in this.Sessions){
                        IPEndPoint ipEndpoint = s.RemoteEndPoint;
                        if(ipEndpoint != null){
                            if(ipEndpoint.Address.Equals(((IPEndPoint)socket.RemoteEndPoint).Address)){
                                nSessions++;
                            }
                        }

                        // Maimum allowed exceeded
                        if(nSessions >= m_MaxConnectionsPerIP){
                            socket.Send(System.Text.Encoding.ASCII.GetBytes("421 Maximum connections from your IP address is exceeded, try again later !\r\n"));
                            socket.Shutdown(SocketShutdown.Both);
                            socket.Close();
                            return;
                        }
                    }
                }
            }

            string   sessionID = Guid.NewGuid().ToString();
            SocketEx socketEx  = new SocketEx(socket);
            if(LogCommands){
                socketEx.Logger = new SocketLogger(socket,this.SessionLog);
				socketEx.Logger.SessionID = sessionID;
            }
			SMTP_Session session = new SMTP_Session(sessionID,socketEx,bindInfo,this);
		}
Пример #14
0
        /// <summary>
        /// Processes relay queue.
        /// </summary>
        private void Run()
        {
            while(m_IsRunning){
                try{
                    // Bind info has changed, create new local end points.
                    if(m_HasBindingsChanged){
                        m_pLocalEndPointIPv4.Clear();
                        m_pLocalEndPointIPv6.Clear();

                        foreach(IPBindInfo binding in m_pBindings){
                            if(binding.IP == IPAddress.Any){
                                foreach(IPAddress ip in System.Net.Dns.GetHostAddresses("")){
                                    if(ip.AddressFamily == AddressFamily.InterNetwork){
                                        IPBindInfo b = new IPBindInfo(binding.HostName,binding.Protocol,ip,25);
                                        if(!m_pLocalEndPointIPv4.Contains(b)){
                                            m_pLocalEndPointIPv4.Add(b);
                                        }
                                    }
                                }
                            }
                            else if(binding.IP == IPAddress.IPv6Any){
                                foreach(IPAddress ip in System.Net.Dns.GetHostAddresses("")){
                                    if(ip.AddressFamily == AddressFamily.InterNetworkV6){
                                        IPBindInfo b = new IPBindInfo(binding.HostName,binding.Protocol,ip,25);
                                        if(!m_pLocalEndPointIPv6.Contains(b)){
                                            m_pLocalEndPointIPv6.Add(b);
                                        }
                                    }
                                }
                            }
                            else{
                                IPBindInfo b = new IPBindInfo(binding.HostName,binding.Protocol,binding.IP,25);
                                if(binding.IP.AddressFamily == AddressFamily.InterNetwork){
                                    if(!m_pLocalEndPointIPv4.Contains(b)){
                                        m_pLocalEndPointIPv4.Add(b);
                                    }
                                }
                                else{
                                    if(!m_pLocalEndPointIPv6.Contains(b)){
                                        m_pLocalEndPointIPv6.Add(b);
                                    }
                                }
                            }
                        }

                        m_HasBindingsChanged = false;
                    }

                    // There are no local end points specified.
                    if(m_pLocalEndPointIPv4.Count == 0 && m_pLocalEndPointIPv6.Count == 0){
                        Thread.Sleep(10);
                    }
                    // Maximum allowed relay sessions exceeded, skip adding new ones.
                    else if(m_MaxConnections != 0 && m_pSessions.Count >= m_MaxConnections){
                        Thread.Sleep(10);
                    }
                    else{
                        Relay_QueueItem item = null;

                        // Get next queued message from highest possible priority queue.
                        foreach(Relay_Queue queue in m_pQueues){
                            item = queue.DequeueMessage();
                            // There is queued message.
                            if(item != null){
                                break;
                            }
                            // No messages in this queue, see next lower priority queue.
                        }

                        // There are no messages in any queue.
                        if(item == null){
                            Thread.Sleep(10);
                        }
                        // Create new session for queued relay item.
                        else{
                            if(m_RelayMode == Relay_Mode.Dns){
                                Relay_Session session = new Relay_Session(this,item);
                                m_pSessions.Add(session);
                                ThreadPool.QueueUserWorkItem(new WaitCallback(session.Start));
                            }
                            else if(m_RelayMode == Relay_Mode.SmartHost){
                                // Get smart hosts in balance mode order.
                                Relay_SmartHost[] smartHosts = null;
                                if(m_SmartHostsBalanceMode == BalanceMode.FailOver){
                                    smartHosts = m_pSmartHosts.ToArray();
                                }
                                else{
                                    smartHosts = m_pSmartHosts.ToCurrentOrderArray();
                                }

                                Relay_Session session = new Relay_Session(this,item,smartHosts);
                                m_pSessions.Add(session);
                                ThreadPool.QueueUserWorkItem(new WaitCallback(session.Start));
                            }                            
                        }
                    }                    
                }
                catch(Exception x){
                    OnError(x);
                }
            }
        }
Пример #15
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="server">Reference to server.</param>
 /// <param name="allowUDP">Specifies if UDP protocol is enabled.</param>
 /// <param name="defaultPort">Specifies default port.</param>
 /// <param name="defaultSSLPort">Specifies default SSL port.</param>
 /// <param name="bindInfo">Bind info.</param>
 public wfrm_sys_BindInfo(Server server,bool allowUDP,int defaultPort,int defaultSSLPort,IPBindInfo bindInfo) : this(server,allowUDP,true,true,defaultPort,defaultSSLPort,bindInfo)
 {
 }
Пример #16
0
 public void start_server()
 {
     server = new TCP_Server<TCP_ServerSession>();
     server.SessionCreated += server_SessionCreated;
     IPBindInfo x = new IPBindInfo("server", BindInfoProtocol.TCP, System.Net.IPAddress.Any, 8787);
     server.Bindings = new IPBindInfo[] { x };
     server.Start();
     Log.log_info("TCP Server Started");
 }
Пример #17
0
        /// <summary>
        /// Starts connecting to best target. 
        /// </summary>
        private void BeginConnect()
        {
            // No tagets, abort relay.
            if(m_pTargets.Count == 0){
                LogText("No relay target(s) for '" + m_pRelayItem.To + "', aborting.");
                Dispose(new Exception("No relay target(s) for '" + m_pRelayItem.To + "', aborting."));

                return;
            }

            // Maximum connections per IP limited.           
            if(m_pServer.MaxConnectionsPerIP > 0){
                // For DNS or load-balnced smart host relay, search free target if any.
                if(m_pServer.RelayMode == Relay_Mode.Dns || m_pServer.SmartHostsBalanceMode == BalanceMode.LoadBalance){
                    foreach(Relay_Target t in m_pTargets){
                        // Get local IP binding for remote IP.
                        m_pLocalBindInfo = m_pServer.GetLocalBinding(t.Target.Address);

                        // We have suitable local IP binding for the target.
                        if(m_pLocalBindInfo != null){
                            // We found free target, stop searching.
                            if(m_pServer.TryAddIpUsage(t.Target.Address)){
                                m_pActiveTarget = t;
                                m_pTargets.Remove(t);

                                break;
                            }
                            // Connection per IP limit reached.
                            else{
                                LogText("Skipping relay target (" + t.HostName + "->" + t.Target.Address + "), maximum connections to the specified IP has reached.");
                            }
                        }
                        // No suitable local IP binding, try next target.
                        else{
                            LogText("Skipping relay target (" + t.HostName + "->" + t.Target.Address + "), no suitable local IPv4/IPv6 binding.");
                        }
                    }
                }
                // Smart host fail-over mode, just check if it's free.
                else{
                    // Get local IP binding for remote IP.
                    m_pLocalBindInfo = m_pServer.GetLocalBinding(m_pTargets[0].Target.Address);

                    // We have suitable local IP binding for the target.
                    if(m_pLocalBindInfo != null){
                        // Smart host IP limit not reached.
                        if(m_pServer.TryAddIpUsage(m_pTargets[0].Target.Address)){
                            m_pActiveTarget = m_pTargets[0];
                            m_pTargets.RemoveAt(0);
                        }
                        // Connection per IP limit reached.
                        else{
                            LogText("Skipping relay target (" + m_pTargets[0].HostName + "->" + m_pTargets[0].Target.Address + "), maximum connections to the specified IP has reached.");
                        }
                    }
                    // No suitable local IP binding, try next target.
                    else{
                        LogText("Skipping relay target (" + m_pTargets[0].HostName + "->" + m_pTargets[0].Target.Address + "), no suitable local IPv4/IPv6 binding.");
                    }
                }                
            }
            // Just get first target.
            else{
                 // Get local IP binding for remote IP.
                 m_pLocalBindInfo = m_pServer.GetLocalBinding(m_pTargets[0].Target.Address);

                 // We have suitable local IP binding for the target.
                 if(m_pLocalBindInfo != null){
                    m_pActiveTarget = m_pTargets[0];
                    m_pTargets.RemoveAt(0);
                 }
                 // No suitable local IP binding, try next target.
                 else{
                    LogText("Skipping relay target (" + m_pTargets[0].HostName + "->" + m_pTargets[0].Target.Address + "), no suitable local IPv4/IPv6 binding.");
                 }
            }

            // We don't have suitable local IP end point for relay target.
            // This may heppen for example: if remote server supports only IPv6 and we don't have local IPv6 local end point.            
            if(m_pLocalBindInfo == null){
                LogText("No suitable IPv4/IPv6 local IP endpoint for relay target.");
                Dispose(new Exception("No suitable IPv4/IPv6 local IP endpoint for relay target."));

                return;
            }

            // If all targets has exeeded maximum allowed connection per IP address, end relay session, 
            // next relay cycle will try to relay again.
            if(m_pActiveTarget == null){
                LogText("All targets has exeeded maximum allowed connection per IP address, skip relay.");
                Dispose(new Exception("All targets has exeeded maximum allowed connection per IP address, skip relay."));

                return;
            }

            // Set SMTP host name.
            m_pSmtpClient.LocalHostName = m_pLocalBindInfo.HostName;

            // Start connecting to remote end point.
            TCP_Client.ConnectAsyncOP connectOP = new TCP_Client.ConnectAsyncOP(new IPEndPoint(m_pLocalBindInfo.IP,0),m_pActiveTarget.Target,false,null);
            connectOP.CompletedAsync += delegate(object s,EventArgs<TCP_Client.ConnectAsyncOP> e){
                ConnectCompleted(connectOP);
            };
            if(!m_pSmtpClient.ConnectAsync(connectOP)){
                ConnectCompleted(connectOP);
            }
        }
Пример #18
0
 /// <summary>
 /// Completes relay session and does clean up. This method is thread-safe.
 /// </summary>
 /// <param name="exception">Exception happened or null if relay completed successfully.</param>
 public void Dispose(Exception exception)
 {
     try{
         lock(this){
             if(m_IsDisposed){
                 return;
             }
             try{
                 m_pServer.OnSessionCompleted(this,exception);
             }
             catch{
             }
             m_pServer.Sessions.Remove(this);
             m_IsDisposed = true;
                 
             m_pLocalBindInfo = null;
             m_pRelayItem = null;
             m_pSmartHosts = null;
             if(m_pSmtpClient != null){
                 m_pSmtpClient.Dispose();
                 m_pSmtpClient = null;
             }
             m_pTargets = null;
             if(m_pActiveTarget != null){
                 m_pServer.RemoveIpUsage(m_pActiveTarget.Target.Address);
                 m_pActiveTarget = null;
             }
             m_pServer = null;
         }
     }
     catch(Exception x){
         if(m_pServer != null){
             m_pServer.OnError(x);
         }
     }
 }
Пример #19
0
 /// <summary>
 /// Initialize and start new session here. Session isn't added to session list automatically,
 /// session must add itself to server session list by calling AddSession().
 /// </summary>
 /// <param name="socket">Connected client socket.</param>
 /// <param name="bindInfo">BindInfo what accepted socket.</param>
 protected virtual void InitNewSession(Socket socket, IPBindInfo bindInfo)
 {
 }
Пример #20
0
 /// <summary>
 /// Default constructor.
 /// </summary>
 /// <param name="socket">Socket.</param>
 /// <param name="bindInfo">Bind info.</param>
 public QueuedConnection(Socket socket, IPBindInfo bindInfo)
 {
     m_pSocket   = socket;
     m_pBindInfo = bindInfo;
 }
Пример #21
0
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="server">Reference to server.</param>
        /// <param name="allowUDP">Specifies if UDP protocol is enabled.</param>
        /// <param name="allowSSL">Specifies if SSL is enabled.</param>
        /// <param name="allowChangePort">Specifies if port can be changed.</param>
        /// <param name="defaultPort">Specifies default port.</param>
        /// <param name="defaultSSLPort">Specifies default SSL port.</param>
        /// <param name="bindInfo">Bind info.</param>
        public wfrm_sys_BindInfo(Server server,bool allowUDP,bool allowSSL,bool allowChangePort,int defaultPort,int defaultSSLPort,IPBindInfo bindInfo)
        {
            m_SslEnabled     = allowSSL;
            m_DefaultPort    = defaultPort;
            m_DefaultSSLPort = defaultSSLPort;

            InitUI();
                        
            m_pSslMode.SelectedIndex = 0;
            if(!allowSSL){
                m_pSslMode.Enabled = false;
            }
            if(!allowChangePort){
                m_pPort.Enabled = false;
            }

            if(bindInfo != null){
                m_pHostName.Text = bindInfo.HostName;
            }

            m_pProtocol.Items.Add("TCP");
            if(allowUDP){
                m_pProtocol.Items.Add("UDP");
            }
            if(bindInfo == null){
                m_pProtocol.SelectedIndex = 0;
            }
            else{
                m_pProtocol.Text = bindInfo.Protocol.ToString();
            }

            foreach(IPAddress ip in server.IPAddresses){
                m_pIP.Items.Add(new WComboBoxItem(IpToString(ip),ip));
            }

            if(bindInfo == null){
                m_pIP.SelectedIndex = 0;
                m_pPort.Value = defaultPort;
            }
            else{
                m_pCert = bindInfo.Certificate;

                m_pIP.Text = IpToString(bindInfo.IP);
                m_pPort.Value = bindInfo.Port;
                m_pSslMode.Text = bindInfo.SslMode.ToString();                           
            }

            UpdateCertStatus();
        }