sslconnectionserver.java

一个agent 工具包,可以开发移动设备应用,考虑了安全措施

package SOMA.security.net.ssl;
/*
    This is the SSL-protected version of StringLengthServer.java.
    StringLengthServer.java (and SSL_StringLengthServer.java) do
    these steps:
    1. Listen for connections from clients.
    2. Return the length of incoming strings.
*/

import java.net.*;

import java.io.*;
import java.security.*;
import java.security.cert.X509Certificate;
import iaik.security.ssl.*;
import iaik.asn1.structures.Name;
import com.entrust.security.provider.*;
import com.entrust.toolkit.*;
import com.entrust.util.*;
import com.entrust.x509.directory.*;

import SOMA.security.infrastructure.*;
import SOMA.network.connection.*;

public class SSLConnectionServer extends ConnectionServer implements SSLControlCaller
{

    // Infrastruttura di riferimento.
    Infrastructure infrastructure = null;

    // profilo utente per la connessione.
    ProfileManager profile = null;

    int controlCaller = ControlCaller_ON;

    Thread myServerDaemon = null;
    ServerSocket myServerSocket = null;
    ConnectionFactory myConnectionFactory = null;

    Object status = OFF;
    String ErrorDescription = "";

    int port = 0;
    int backlog = 50;


/*
  Thread myServerDaemon = null;
  ServerSocket myServerSocket = null;
  ConnectionFactory myConnectionFactory = null;

  int status = OFF;
  String ErrorDescription = "";

  int port = 0;
  int backlog = 50;
*/

  public SSLConnectionServer (int port, int backlog, ConnectionFactory myConnectionFactory )
  {
    super ( port, backlog, myConnectionFactory );
    this.port = port;
    this.backlog = backlog;
    this.myConnectionFactory = myConnectionFactory;
  }

  public SSLConnectionServer (int port, int backlog, ConnectionFactory myConnectionFactory, ProfileManager profile, int controlCaller)
  {
    super ( port, backlog, myConnectionFactory );
    this.infrastructure = profile.getEntrustInfrastructure();
    this.profile = profile;
    this.controlCaller = controlCaller;
    this.port = port;
    this.backlog = backlog;
    this.myConnectionFactory = myConnectionFactory;
  }

  public void setInfrastructure(Infrastructure infrastructure)
  {
    this.infrastructure = infrastructure;
  }

  public void setProfile(ProfileManager profile)
  {
    this.profile = profile;
  }


  public void setControlCaller(int controlCaller) throws SSLException
  {
    if (this.status != ON)
      this.controlCaller = controlCaller;
    else
      throw new SSLException( "Server already ON" );
  }

  public int getControlCaller()
  {
    return this.controlCaller;
  }

    /** Restituisce lo stato.
      * Metodo ereditato. */
    // public int getStatus()


  /* Rappresentazione in stringa dello stato del server. */
  public String toString()
  {
    return "<SSLConnectionServer: " + this +
           ": ControlCaller = " +
           (this.controlCaller == ControlCaller_ON ? "ON" : "OFF") +
           "\\n " + super.toString() + ">";
  }

  /** Avvia il server. */
  public synchronized void start() throws IOException, ConnectionServerException
  {
    if( status != ON )
    {
      try
      {
        myServerSocket = init();

        myServerDaemon = new Thread( this, toString() );

        status = ON;

        myServerDaemon.start();
      }
      catch( Exception e )
      {
        status = ERROR;
        ErrorDescription = e.toString();
        // throw( e );
      }
    }
    else
      throw new ConnectionServerException( "Server already ON" );
  }

    /** Arresta il server.
      * Attenzione: questo metodo potrebbe non essere riscritto;
      *             lo si riscrive solo per poter ridefinire l'eccezione
      *             che viene chiamata in caso di stato diverso da OFF.
     **/

  public synchronized void stop() throws IOException, ConnectionServerException
  {
    if( status != OFF )
    {
      try
      {
        status = OFF;

        if( myServerSocket != null )
          myServerSocket.close();

        // Vedo se cos