Examples of ch.ethz.ssh2.packets.PacketDisconnect

ch.ethz.ssh2.packets.PacketKexDhGexGroup
PacketDisconnect. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: PacketDisconnect.java,v 1.3 2005/08/29 14:24:58 cplattne Exp $


    PacketNewKeys ign = new PacketNewKeys();
    tm.sendKexMessage(ign.getPayload());


    BlockCipher cbc;
    MAC mac;


    try
    {
      cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_client_to_server, true, km.enc_key_client_to_server,
          km.initial_iv_client_to_server);


      mac = new MAC(kxs.np.mac_algo_client_to_server, km.integrity_key_client_to_server);


    }
    catch (IllegalArgumentException e1)
    {
      throw new IOException("Fatal error during MAC startup!");

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    {
      if (km == null)
        throw new IOException("Peer sent SSH_MSG_NEWKEYS, but I have no key material ready!");


      BlockCipher cbc;
      MAC mac;


      try
      {
        cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_server_to_client, false,
            km.enc_key_server_to_client, km.initial_iv_server_to_client);


        mac = new MAC(kxs.np.mac_algo_server_to_client, km.integrity_key_server_to_client);


      }
      catch (IllegalArgumentException e1)
      {
        throw new IOException("Fatal error during MAC startup!");

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      {
        if (useDisconnectPacket == true)
        {
          try
          {
            byte[] msg = new PacketDisconnect(Packets.SSH_DISCONNECT_BY_APPLICATION, cause.getMessage(), "")
                .getPayload();
            if (tc != null)
              tc.sendMessage(msg);
          }
          catch (IOException ignore)

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      if (useDisconnectPacket == true)
      {
        try
        {
          byte[] msg = new PacketDisconnect(Packets.SSH_DISCONNECT_BY_APPLICATION, cause.getMessage(), "")
              .getPayload();
          if (tc != null)
            tc.sendMessage(msg);
        }
        catch (IOException ignore)

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      {
        if (useDisconnectPacket == true)
        {
          try
          {
            byte[] msg = new PacketDisconnect(Packets.SSH_DISCONNECT_BY_APPLICATION, cause.getMessage(), "")
                .getPayload();
            if (tc != null)
              tc.sendMessage(msg);
          }
          catch (IOException ignore)

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        synchronized(connectionSemaphore) {
            if(connectionClosed == false) {
                if(useDisconnectPacket == true) {
                    try {
                        byte[] msg = new PacketDisconnect(Packets.SSH_DISCONNECT_BY_APPLICATION, cause.getMessage(), "")
                                .getPayload();
                        if(tc != null) {
                            tc.sendMessage(msg);
                        }
                    }

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      {
        if (useDisconnectPacket == true)
        {
          try
          {
            byte[] msg = new PacketDisconnect(Packets.SSH_DISCONNECT_BY_APPLICATION, cause.getMessage(), "")
                .getPayload();
            if (tc != null)
            {
              tc.sendMessage(msg);
            }

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        if (kxs.np.kex_algo.equals("diffie-hellman-group1-sha1"))
          kxs.dhx.init(1, rnd);
        else
          kxs.dhx.init(14, rnd);


        PacketKexDHInit kp = new PacketKexDHInit(kxs.dhx.getE());
        tm.sendKexMessage(kp.getPayload());
        kxs.state = 1;
        return;
      }


      throw new IllegalStateException("Unkown KEX method!");

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        || kxs.np.kex_algo.equals("diffie-hellman-group14-sha1"))
    {
      if (kxs.state == 1)
      {


        PacketKexDHReply dhr = new PacketKexDHReply(msg, 0, msglen);


        kxs.hostkey = dhr.getHostKey();


        if (verifier != null)
        {
          boolean vres = false;


          try
          {
            vres = verifier.verifyServerHostKey(hostname, port, kxs.np.server_host_key_algo, kxs.hostkey);
          }
          catch (Exception e)
          {
            throw (IOException) new IOException(
                "The server hostkey was not accepted by the verifier callback.").initCause(e);
          }


          if (vres == false)
            throw new IOException("The server hostkey was not accepted by the verifier callback");
        }


        kxs.dhx.setF(dhr.getF());


        try
        {
          kxs.H = kxs.dhx.calculateH(csh.getClientString(), csh.getServerString(), kxs.localKEX.getPayload(),
              kxs.remoteKEX.getPayload(), dhr.getHostKey());
        }
        catch (IllegalArgumentException e)
        {
          throw (IOException) new IOException("KEX error.").initCause(e);
        }


        boolean res = verifySignature(dhr.getSignature(), kxs.hostkey);


        if (res == false)
          throw new IOException("Hostkey signature sent by remote is wrong!");


        kxs.K = kxs.dhx.getK();

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    if (kxs.np.kex_algo.equals("diffie-hellman-group-exchange-sha1"))
    {
      if (kxs.state == 1)
      {
        PacketKexDhGexGroup dhgexgrp = new PacketKexDhGexGroup(msg, 0, msglen);
        kxs.dhgx = new DhGroupExchange(dhgexgrp.getP(), dhgexgrp.getG());
        kxs.dhgx.init(rnd);
        PacketKexDhGexInit dhgexinit = new PacketKexDhGexInit(kxs.dhgx.getE());
        tm.sendKexMessage(dhgexinit.getPayload());
        kxs.state = 2;
        return;

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Related Classes of ch.ethz.ssh2.packets.PacketDisconnect

Basic

BasicWithHTTPProxy

ch.ethz.ssh2.auth.AuthenticationManager

ch.ethz.ssh2.auth.ServerAuthenticationManager

ch.ethz.ssh2.channel.ChannelManager

ch.ethz.ssh2.channel.LocalAcceptThread

ch.ethz.ssh2.Connection

ch.ethz.ssh2.ConnectionInfo

ch.ethz.ssh2.crypto.cipher.BlockCipher

ch.ethz.ssh2.crypto.dh.DhExchange

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