Examples of ch.ethz.ssh2.crypto.dh.DhExchange

ch.ethz.ssh2.packets.TypesReader
DhExchange. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: DhExchange.java,v 1.5 2006/02/14 19:43:15 cplattne Exp $

        return true;
      }


      if (ar[0] == Packets.SSH_MSG_USERAUTH_FAILURE)
      {
        PacketUserauthFailure puf = new PacketUserauthFailure(ar, 0, ar.length);


        remainingMethods = puf.getAuthThatCanContinue();
        isPartialSuccess = puf.isPartialSuccess();


        return false;
      }


      throw new IOException("Unexpected SSH message (type " + ar[0] + ")");

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        return true;
      }


      if (ar[0] == Packets.SSH_MSG_USERAUTH_FAILURE)
      {
        PacketUserauthFailure puf = new PacketUserauthFailure(ar, 0, ar.length);


        remainingMethods = puf.getAuthThatCanContinue();
        isPartialSuccess = puf.isPartialSuccess();


        return false;
      }


      throw new IOException("Unexpected SSH message (type " + ar[0] + ")");

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          return true;
        }


        if (ar[0] == Packets.SSH_MSG_USERAUTH_FAILURE)
        {
          PacketUserauthFailure puf = new PacketUserauthFailure(ar, 0, ar.length);


          remainingMethods = puf.getAuthThatCanContinue();
          isPartialSuccess = puf.isPartialSuccess();


          return false;
        }


        if (ar[0] == Packets.SSH_MSG_USERAUTH_INFO_REQUEST)

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          return false;
        }


        if (ar[0] == Packets.SSH_MSG_USERAUTH_INFO_REQUEST)
        {
          PacketUserauthInfoRequest pui = new PacketUserauthInfoRequest(ar, 0, ar.length);


          String[] responses;


          try
          {
            responses = cb.replyToChallenge(pui.getName(), pui.getInstruction(), pui.getNumPrompts(), pui
                .getPrompt(), pui.getEcho());
          }
          catch (Exception e)
          {
            throw (IOException) new IOException("Exception in callback.").initCause(e);
          }

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          }


          if (responses == null)
            throw new IOException("Your callback may not return NULL!");


          PacketUserauthInfoResponse puir = new PacketUserauthInfoResponse(responses);
          tm.sendMessage(puir.getPayload());


          continue;
        }


        throw new IOException("Unexpected SSH message (type " + ar[0] + ")");

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            "Authentication method keyboard-interactive not supported by the server at this stage.");


      if (submethods == null)
        submethods = new String[0];


      PacketUserauthRequestInteractive ua = new PacketUserauthRequestInteractive("ssh-connection", user,
          submethods);


      tm.sendMessage(ua.getPayload());


      while (true)
      {
        byte[] ar = getNextMessage();

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      tm.registerMessageHandler(this, 0, 255);


      PacketServiceRequest sr = new PacketServiceRequest("ssh-userauth");
      tm.sendMessage(sr.getPayload());


      PacketUserauthRequestNone urn = new PacketUserauthRequestNone("ssh-connection", user);
      tm.sendMessage(urn.getPayload());


      byte[] msg = getNextMessage();
      new PacketServiceAccept(msg, 0, msg.length);
      msg = getNextMessage();

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      initialize(user);


      if (methodPossible("password") == false)
        throw new IOException("Authentication method password not supported by the server at this stage.");


      PacketUserauthRequestPassword ua = new PacketUserauthRequestPassword("ssh-connection", user, pass);
      tm.sendMessage(ua.getPayload());


      byte[] ar = getNextMessage();


      if (ar[0] == Packets.SSH_MSG_USERAUTH_SUCCESS)
      {

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  public void msgChannelOpenFailure(byte[] msg, int msglen) throws IOException
  {
    if (msglen < 5)
      throw new IOException("SSH_MSG_CHANNEL_OPEN_FAILURE message has wrong size (" + msglen + ")");


    TypesReader tr = new TypesReader(msg, 0, msglen);


    tr.readByte(); // skip packet type
    int id = tr.readUINT32(); /* sender channel */


    Channel c = getChannel(id);


    if (c == null)
      throw new IOException("Unexpected SSH_MSG_CHANNEL_OPEN_FAILURE message for non-existent channel " + id);


    int reasonCode = tr.readUINT32();
    String description = tr.readString("UTF-8");


    String reasonCodeSymbolicName = null;


    switch (reasonCode)
    {

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  public void msgGlobalRequest(byte[] msg, int msglen) throws IOException
  {
    /* Currently we do not support any kind of global request */


    TypesReader tr = new TypesReader(msg, 0, msglen);


    tr.readByte(); // skip packet type
    String requestName = tr.readString();
    boolean wantReply = tr.readBoolean();


    if (wantReply)
    {
      byte[] reply_failure = new byte[1];
      reply_failure[0] = Packets.SSH_MSG_REQUEST_FAILURE;

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Related Classes of ch.ethz.ssh2.crypto.dh.DhExchange

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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