Package com.trilead.ssh2.packets

Examples of com.trilead.ssh2.packets.TypesReader


  public SFTPv3FileHandle getFileHandle(final String pstrFileName, final Integer pintPermissions) throws Exception {

    @SuppressWarnings("unused")
    final String conMethodName = conClassName + "::setFilePermissions";

    SFTPv3FileAttributes attr = new SFTPv3FileAttributes();
    attr.permissions = pintPermissions;
    SFTPv3FileHandle fileHandle = this.FtpClient().createFileTruncate(pstrFileName, attr);
    return fileHandle;
  } // private void setFilePermissions
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  public void setFilePermissions(final String pstrFileName, final Integer pintPermissions) throws Exception {

    @SuppressWarnings("unused")
    final String conMethodName = conClassName + "::setFilePermissions";

    SFTPv3FileAttributes attr = new SFTPv3FileAttributes();
    attr.permissions = pintPermissions;
    @SuppressWarnings("unused")
    SFTPv3FileHandle fileHandle = this.FtpClient().createFileTruncate(pstrFileName, attr);
  } // private void setFilePermissions
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          pfleCommandFile = fleResultFile;
        }
      }

      // set execute permissions for owner
      SFTPv3FileHandle fileHandle = this.getFileHandle(strFileName, new Integer(0700));

      FileInputStream fis = null;
      long offset = 0;
      try {
        fis = new FileInputStream(pfleCommandFile);
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    @SuppressWarnings("unused")
    final String conMethodName = conClassName + "::setFilePermissions";

    SFTPv3FileAttributes attr = new SFTPv3FileAttributes();
    attr.permissions = pintPermissions;
    SFTPv3FileHandle fileHandle = this.FtpClient().createFileTruncate(pstrFileName, attr);
    return fileHandle;
  } // private void setFilePermissions
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    @SuppressWarnings("unused")
    final String conMethodName = conClassName + "::setFilePermissions";

    SFTPv3FileAttributes attr = new SFTPv3FileAttributes();
    attr.permissions = pintPermissions;
    @SuppressWarnings("unused")
    SFTPv3FileHandle fileHandle = this.FtpClient().createFileTruncate(pstrFileName, attr);
  } // private void setFilePermissions
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      log.log(80, "Got SSH_MSG_CHANNEL_WINDOW_ADJUST (channel " + id + ", " + windowChange + ")");
  }

  public void msgChannelOpen(byte[] msg, int msglen) throws IOException
  {
    TypesReader tr = new TypesReader(msg, 0, msglen);

    tr.readByte(); // skip packet type
    String channelType = tr.readString();
    int remoteID = tr.readUINT32(); /* sender channel */
    int remoteWindow = tr.readUINT32(); /* initial window size */
    int remoteMaxPacketSize = tr.readUINT32(); /* maximum packet size */

    if ("x11".equals(channelType))
    {
      synchronized (x11_magic_cookies)
      {
        /* If we did not request X11 forwarding, then simply ignore this bogus request. */

        if (x11_magic_cookies.size() == 0)
        {
          PacketChannelOpenFailure pcof = new PacketChannelOpenFailure(remoteID,
              Packets.SSH_OPEN_ADMINISTRATIVELY_PROHIBITED, "X11 forwarding not activated", "");

          tm.sendAsynchronousMessage(pcof.getPayload());

          if (log.isEnabled())
            log.log(20, "Unexpected X11 request, denying it!");

          return;
        }
      }

      String remoteOriginatorAddress = tr.readString();
      int remoteOriginatorPort = tr.readUINT32();

      Channel c = new Channel(this);

      synchronized (c)
      {
        c.remoteID = remoteID;
        c.remoteWindow = remoteWindow & 0xFFFFffffL; /* properly convert UINT32 to long */
        c.remoteMaxPacketSize = remoteMaxPacketSize;
        c.localID = addChannel(c);
      }

      /*
       * The open confirmation message will be sent from another thread
       */

      RemoteX11AcceptThread rxat = new RemoteX11AcceptThread(c, remoteOriginatorAddress, remoteOriginatorPort);
      rxat.setDaemon(true);
      rxat.start();

      return;
    }

    if ("forwarded-tcpip".equals(channelType))
    {
      String remoteConnectedAddress = tr.readString(); /* address that was connected */
      int remoteConnectedPort = tr.readUINT32(); /* port that was connected */
      String remoteOriginatorAddress = tr.readString(); /* originator IP address */
      int remoteOriginatorPort = tr.readUINT32(); /* originator port */

      RemoteForwardingData rfd = null;

      synchronized (remoteForwardings)
      {
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      log.log(20, "The peer tried to open an unsupported channel type (" + channelType + ")");
  }

  public void msgChannelRequest(byte[] msg, int msglen) throws IOException
  {
    TypesReader tr = new TypesReader(msg, 0, msglen);

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

    Channel c = getChannel(id);

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

    String type = tr.readString("US-ASCII");
    boolean wantReply = tr.readBoolean();

    if (log.isEnabled())
      log.log(80, "Got SSH_MSG_CHANNEL_REQUEST (channel " + id + ", '" + type + "')");

    if (type.equals("exit-status"))
    {
      if (wantReply != false)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message, 'want reply' is true");

      int exit_status = tr.readUINT32();

      if (tr.remain() != 0)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message");

      synchronized (c)
      {
        c.exit_status = new Integer(exit_status);
        c.notifyAll();
      }

      if (log.isEnabled())
        log.log(50, "Got EXIT STATUS (channel " + id + ", status " + exit_status + ")");

      return;
    }

    if (type.equals("exit-signal"))
    {
      if (wantReply != false)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message, 'want reply' is true");

      String signame = tr.readString("US-ASCII");
      tr.readBoolean();
      tr.readString();
      tr.readString();

      if (tr.remain() != 0)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message");

      synchronized (c)
      {
        c.exit_signal = signame;
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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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      if (type == Packets.SSH_MSG_DEBUG)
      {
        if (log.isEnabled())
        {
          TypesReader tr = new TypesReader(msg, 0, msglen);
          tr.readByte();
          tr.readBoolean();
          StringBuffer debugMessageBuffer = new StringBuffer();
          debugMessageBuffer.append(tr.readString("UTF-8"));

          for (int i = 0; i < debugMessageBuffer.length(); i++)
          {
            char c = debugMessageBuffer.charAt(i);

            if ((c >= 32) && (c <= 126))
              continue;
            debugMessageBuffer.setCharAt(i, '\uFFFD');
          }

          log.log(50, "DEBUG Message from remote: '" + debugMessageBuffer.toString() + "'");
        }
        continue;
      }

      if (type == Packets.SSH_MSG_UNIMPLEMENTED)
      {
        throw new IOException("Peer sent UNIMPLEMENTED message, that should not happen.");
      }

      if (type == Packets.SSH_MSG_DISCONNECT)
      {
        TypesReader tr = new TypesReader(msg, 0, msglen);
        tr.readByte();
        int reason_code = tr.readUINT32();
        StringBuffer reasonBuffer = new StringBuffer();
        reasonBuffer.append(tr.readString("UTF-8"));

        /*
         * Do not get fooled by servers that send abnormal long error
         * messages
         */
 
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