Package com.jcraft.jsch

Examples of com.jcraft.jsch.Channel

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  public static String exec(SecureContext pContext, String pCommand)
      throws JSchException, IOException {
    Session session = pContext.createSession();
    session.connect();
    String result = "";
    Channel channel = session.openChannel("exec");
    ((ChannelExec) channel).setCommand(pCommand);
    final ByteArrayOutputStream myOut = new ByteArrayOutputStream();
    ((ChannelExec) channel).setErrStream(new PrintStream(myOut));

    InputStream in = null;
    try {
      in = channel.getInputStream();
      channel.connect();
      result = readResult(result, channel, in);
      channel.disconnect();
      session.disconnect();
    } finally {
      IOUtils.closeQuietly(in);
      IOUtils.closeQuietly(myOut);
    }
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        String command = "scp -f ";
        if (isRecursive) {
            command += "-r ";
        }
        command += remoteFile;
        Channel channel = openExecChannel(command);
        try {
            // get I/O streams for remote scp
            OutputStream out = channel.getOutputStream();
            InputStream in = channel.getInputStream();

            channel.connect();

            sendAck(out);
            startRemoteCpProtocol(in, out, localFile);
        } finally {
            if (channel != null) {
                channel.disconnect();
            }
        }
        log("done\n");
    }
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            public void showMessage(String message) {
                //To change body of implemented methods use File | Settings | File Templates.
            }
        });
        s.connect();
        Channel c = s.openChannel("shell");
        c.connect();
        OutputStream os = c.getOutputStream();
        os.write("this is my command".getBytes());
        os.flush();
        Thread.sleep(100);
        c.disconnect();
        s.disconnect();
    }
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        log("done.\n");
    }

    private void doSingleTransfer() throws IOException, JSchException {
        String cmd = "scp -t " + remotePath;
        Channel channel = openExecChannel(cmd);
        try {

            OutputStream out = channel.getOutputStream();
            InputStream in = channel.getInputStream();

            channel.connect();

            waitForAck(in);
            sendFileToRemote(localFile, in, out);
        } finally {
            if (channel != null) {
                channel.disconnect();
            }
        }
    }
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            }
        }
    }

    private void doMultipleTransfer() throws IOException, JSchException {
        Channel channel = openExecChannel("scp -d -t " + remotePath);
        try {
            OutputStream out = channel.getOutputStream();
            InputStream in = channel.getInputStream();

            channel.connect();

            waitForAck(in);
            for (Iterator i = directoryList.iterator(); i.hasNext();) {
                Directory current = (Directory) i.next();
                sendDirectory(current, in, out);
            }
        } finally {
            if (channel != null) {
                channel.disconnect();
            }
        }
    }
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      throws OpenShiftSSHOperationException {
    final Session session = getSSHSession();
    if (session == null) {
      throw new OpenShiftSSHOperationException("No SSH session available for application ''{0}''", this.getName());
    }
    Channel channel = null;
    BufferedReader reader = null;
    try {
      session.openChannel("exec");
      channel = session.openChannel("exec");
      ((ChannelExec) channel).setCommand(command);
      channel.connect();
      return sshStream.getLines(channel);
    } catch (JSchException e) {
      throw new OpenShiftSSHOperationException(e, "Failed to execute remote ssh command \"{0}\"",
          this.getName());
    } catch (IOException e) {
      throw new OpenShiftSSHOperationException(e, "Failed to execute remote ssh command \"{0}\"",
          this.getName());
    } finally {

      if (reader != null) {
        try {
          reader.close();
        } catch (IOException e) {
          LOGGER.error("Failed to close SSH error stream reader", e);
        }
      }

      if (channel != null && channel.isConnected()) {
        channel.disconnect();
      }
    }
  }
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    this.in = in;
  }

  public CommandChannel build() {
    try {
      Channel channel = session.openChannel("exec");
      ((ChannelExec) channel).setCommand(command);
      channel.setInputStream(in);
      return new CommandChannelSuccess(ssh, channel);

    } catch (JSchException e) {
      return new CommandChannelFailed(ssh, e);
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  ChannelSftp newSftp() throws TransportException {
    initSession();

    final int tms = getTimeout() > 0 ? getTimeout() * 1000 : 0;
    try {
      final Channel channel = sock.openChannel("sftp");
      channel.connect(tms);
      return (ChannelSftp) channel;
    } catch (JSchException je) {
      throw new TransportException(uri, je.getMessage(), je);
    }
  }
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        if (!isConnected()) {
            throw new IllegalStateException("Not connected!");
        }
        try {
            logger.debug("Opening channel");
            Channel channel = connectSession.openChannel(CMD_EXEC);
            ((ChannelExec)channel).setCommand(command);

            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(channel.getInputStream()));
            logger.debug("connecting channel.");
            channel.connect();

            // Seems like Gerrit does not like when you disconnect directly after the command has been sent.
            // For instance, we have seen effects of mails not being sent out. This is the reason for
            // receiving all the incoming data.
            String incomingLine = null;
            StringBuilder commandOutput = new StringBuilder();
            while ((incomingLine = bufferedReader.readLine()) != null) {
                commandOutput.append(incomingLine);
                commandOutput.append('\n');
                logger.trace("Incoming line: {}", incomingLine);
            }
            logger.trace("Closing reader.");
            bufferedReader.close();
            logger.trace("disconnecting channel.");
            channel.disconnect();

            return commandOutput.toString();
        } catch (JSchException ex) {
            throw new SshException(ex);
        } catch (IOException ex) {
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    public synchronized Reader executeCommandReader(String command) throws SshException, IOException {
        if (!isConnected()) {
            throw new IllegalStateException("Not connected!");
        }
        try {
            Channel channel = connectSession.openChannel("exec");
            ((ChannelExec)channel).setCommand(command);
            InputStreamReader reader = new InputStreamReader(channel.getInputStream());
            channel.connect();
            return reader;
        } catch (JSchException ex) {
            throw new SshException(ex);
        }
    }
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