Examples of ch.ethz.ssh2.ConnectionInfo

ch.ethz.ssh2.packets.PacketKexDHReply
In most cases you probably do not need the information contained in here. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: ConnectionInfo.java,v 1.3 2005/08/24 17:54:10 cplattne Exp $


      this.getSshSession().execCommand(strCmd);


      logger.info("output to stdout for remote command: " + strCmd);


      ipsStdOut = new StreamGobbler(this.getSshSession().getStdout());
      ipsStdErr = new StreamGobbler(this.getSshSession().getStderr());
      BufferedReader stdoutReader = new BufferedReader(new InputStreamReader(ipsStdOut));
      strbStdoutOutput = new StringBuffer();
      while (true) {
        String line = stdoutReader.readLine();
        if (line == null)

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        {
            String message = "Cannot execute remote command: " + command;
            throw new CommandAbortedException( message, message );
        }


        InputStream stdout = new StreamGobbler( session.getStdout() );
        InputStream stderr = new StreamGobbler( session.getStderr() );
        stderrReader = new BufferedReader( new InputStreamReader( stderr ) );
        setInputStream( new LoggedDataInputStream( stdout ) );
        setOutputStream( new LoggedDataOutputStream( session.getStdin() ) );
    }

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    /* Tell the other side that we start using the new material */


    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,

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    if (msg[0] == Packets.SSH_MSG_NEWKEYS)
    {
      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,

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      }


      if (kxs.np.kex_algo.equals("diffie-hellman-group1-sha1")
          || kxs.np.kex_algo.equals("diffie-hellman-group14-sha1"))
      {
        kxs.dhx = new DhExchange();


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

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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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    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 (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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Related Classes of ch.ethz.ssh2.ConnectionInfo

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.AES

ch.ethz.ssh2.crypto.cipher.BlockCipher

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