Examples of ch.ethz.ssh2.packets.PacketUserauthRequestPublicKey

com.trilead.ssh2.packets.PacketUserauthRequestPublicKey
PacketUserauthRequestPublicKey. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: PacketUserauthRequestPublicKey.java,v 1.2 2005/08/24 17:54:08 cplattne Exp $

        srcoff += writeRequestLen;
        len -= writeRequestLen;


        byte[] resp = receiveMessage(34000);


        TypesReader tr = new TypesReader(resp);


        int t = tr.readByte();


        int rep_id = tr.readUINT32();
        if (rep_id != req_id)
          throw new IOException("The server sent an invalid id field.");


        if (t != Packet.SSH_FXP_STATUS)
          throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");


        int errorCode = tr.readUINT32();


        if (errorCode == ErrorCodes.SSH_FX_OK)
          continue;


        String errorMessage = tr.readString();


        throw new SFTPException(errorMessage, errorCode);
      }
  }

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  private final void closeHandle(byte[] handle) throws IOException
  {
    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(handle, 0, handle.length);


    sendMessage(Packet.SSH_FXP_CLOSE, req_id, tw.getBytes());


    expectStatusOKMessage(req_id);
  }

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  {
    checkHandleValidAndOpen(handle);


    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_FSTAT...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_FSTAT, req_id, tw.getBytes());


    byte[] resp = receiveMessage(34000);


    if (debug != null)
    {

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  private SFTPv3FileAttributes statBoth(String path, int statMethod) throws IOException
  {
    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(path, charsetName);


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_STAT/SSH_FXP_LSTAT...");
      debug.flush();
    }


    sendMessage(statMethod, req_id, tw.getBytes());


    byte[] resp = receiveMessage(34000);


    if (debug != null)
    {

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   */
  public String readLink(String path) throws IOException
  {
    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(path, charsetName);


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_READLINK...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_READLINK, req_id, tw.getBytes());


    byte[] resp = receiveMessage(34000);


    if (debug != null)
    {

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   */
  public void setstat(String path, SFTPv3FileAttributes attr) throws IOException
  {
    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(path, charsetName);
    tw.writeBytes(createAttrs(attr));


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_SETSTAT...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_SETSTAT, req_id, tw.getBytes());


    expectStatusOKMessage(req_id);
  }

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  {
    checkHandleValidAndOpen(handle);


    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
    tw.writeBytes(createAttrs(attr));


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_FSETSTAT...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_FSETSTAT, req_id, tw.getBytes());


    expectStatusOKMessage(req_id);
  }

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    /* Either I am too stupid to understand the SFTP draft
     * or the OpenSSH guys changed the semantics of src and target.
     */


    TypesWriter tw = new TypesWriter();
    tw.writeString(target, charsetName);
    tw.writeString(src, charsetName);


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_SYMLINK...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_SYMLINK, req_id, tw.getBytes());


    expectStatusOKMessage(req_id);
  }

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   */
  public String canonicalPath(String path) throws IOException
  {
    int req_id = generateNextRequestID();


    TypesWriter tw = new TypesWriter();
    tw.writeString(path, charsetName);


    if (debug != null)
    {
      debug.println("Sending SSH_FXP_REALPATH...");
      debug.flush();
    }


    sendMessage(Packet.SSH_FXP_REALPATH, req_id, tw.getBytes());


    byte[] resp = receiveMessage(34000);


    if (debug != null)
    {

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        DSASignature ds = DSASHA1Verify.generateSignature(msg, pk, rnd);


        byte[] ds_enc = DSASHA1Verify.encodeSSHDSASignature(ds);


        PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey("ssh-connection", user,
            "ssh-dss", pk_enc, ds_enc);
        tm.sendMessage(ua.getPayload());
      }
      else if (key instanceof RSAPrivateKey)
      {
        RSAPrivateKey pk = (RSAPrivateKey) key;


        byte[] pk_enc = RSASHA1Verify.encodeSSHRSAPublicKey(pk.getPublicKey());


        TypesWriter tw = new TypesWriter();
        {
          byte[] H = tm.getSessionIdentifier();


          tw.writeString(H, 0, H.length);
          tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST);
          tw.writeString(user);
          tw.writeString("ssh-connection");
          tw.writeString("publickey");
          tw.writeBoolean(true);
          tw.writeString("ssh-rsa");
          tw.writeString(pk_enc, 0, pk_enc.length);
        }


        byte[] msg = tw.getBytes();


        RSASignature ds = RSASHA1Verify.generateSignature(msg, pk);


        byte[] rsa_sig_enc = RSASHA1Verify.encodeSSHRSASignature(ds);


        PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey("ssh-connection", user,
            "ssh-rsa", pk_enc, rsa_sig_enc);
        tm.sendMessage(ua.getPayload());
      }
      else
      {
        throw new IOException("Unknown private key type returned by the PEM decoder.");
      }

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