Examples of com.trilead.ssh2.SCPClient

com.trilead.ssh2.SCPClient
A very basic SCPClient that can be used to copy files from/to the SSH-2 server. On the server side, the "scp" program must be in the PATH.
This scp client is thread safe - you can download (and upload) different sets of files concurrently without any troubles. The SCPClient is actually mapping every request to a distinct {@link Session}. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: SCPClient.java,v 1.11 2006/08/02 11:57:12 cplattne Exp $

            }


            String sshInstallDir = getInstallDir().replace('\\', '/');


            SFTPClient sftpClient = sshLauncher.getSFTPClient();
            SCPClient scpClient = sshLauncher.getSCPClient();
            try {
                if (!sftpClient.exists(sshInstallDir)) {
                    sftpClient.mkdirs(sshInstallDir, 0755);
                }
            }
            catch (IOException ioe) {
                logger.info(Strings.get("mkdir.failed", sshInstallDir, host));
                throw new IOException(ioe);
            }


            //delete the sshInstallDir contents if non-empty
            try {
                //get list of file in DAS sshInstallDir
                List<String> files = getListOfInstallFiles(sshInstallDir);
                deleteRemoteFiles(sftpClient, files, sshInstallDir, getForce());
            }
            catch (IOException ex) {
                logger.finer("Failed to remove sshInstallDir contents");
                throw new IOException(ex);
            }


            String zip = zipFile.getCanonicalPath();
            try {
                logger.info("Copying " + zip + " (" + zipFile.length() + " bytes)"
                        + " to " + host + ":" + sshInstallDir);
                // Looks like we need to quote the paths to scp in case they
                // contain spaces.
                scpClient.put(zipFile.getAbsolutePath(), FileUtils.quoteString(sshInstallDir));
                logger.finer("Copied " + zip + " to " + host + ":" + sshInstallDir);
            }
            catch (IOException ex) {
                logger.info(Strings.get("cannot.copy.zip.file", zip, host));
                throw new IOException(ex);

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            }


            String sshInstallDir = getInstallDir().replace('\\', '/');


            SFTPClient sftpClient = sshLauncher.getSFTPClient();
            SCPClient scpClient = sshLauncher.getSCPClient();
            try {
                if (!sftpClient.exists(sshInstallDir)) {
                    sftpClient.mkdirs(sshInstallDir, 0755);
                }
            }
            catch (IOException ioe) {
                logger.info(Strings.get("mkdir.failed", sshInstallDir, host));
                throw new IOException(ioe);
            }


            if (checkIfAlreadyInstalled(host, sshInstallDir))
                continue;


            //delete the sshInstallDir contents if non-empty
            try {
                //get list of file in DAS sshInstallDir
                List<String> files = getListOfInstallFiles(sshInstallDir);
                deleteRemoteFiles(sftpClient, files, sshInstallDir, getForce());
            }
            catch (IOException ex) {
                logger.finer("Failed to remove sshInstallDir contents");
                throw new IOException(ex);
            }


            String zip = zipFile.getCanonicalPath();
            try {
                logger.info("Copying " + zip + " (" + zipFile.length() + " bytes)"
                        + " to " + host + ":" + sshInstallDir);
                // Looks like we need to quote the paths to scp in case they
                // contain spaces.
                scpClient.put(zipFile.getAbsolutePath(), FileUtils.quoteString(sshInstallDir));
                logger.finer("Copied " + zip + " to " + host + ":" + sshInstallDir);
            }
            catch (IOException ex) {
                logger.info(Strings.get("cannot.copy.zip.file", zip, host));
                throw new IOException(ex);

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        return sftpClient;
    }


    public SCPClient getSCPClient() throws IOException {
        openConnection();
        return new SCPClient(connection);
    }

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        if (!ret) {
            throw new IOException("SSH password authentication failed for user " + userName + " on host " + node);
        }
        //initiate scp client
        SCPClient scp = new SCPClient(conn);
        SFTPClient sftp = new SFTPClient(connection);


        if (key.exists()) {


            //fixes .ssh file mode
            setupSSHDir();


            if (pubKeyFile == null) {
                pubKeyFile = keyFile + ".pub";
            }


            File pubKey = new File(pubKeyFile);
            if(!pubKey.exists()) {
                throw new IOException("Public key file " + pubKeyFile + " does not exist.");
            }


            try {
                if(!sftp.exists(SSH_DIR)) {
                    if(logger.isLoggable(Level.FINER)) {
                        logger.fine(SSH_DIR + " does not exist");
                    }
                    sftp.mkdirs(".ssh", 0700);
                }
            } catch (Exception e) {
                if(logger.isLoggable(Level.FINER)) {
                    e.printStackTrace();
                }
                throw new IOException("Error while creating .ssh directory on remote host:" + e.getMessage());
            }


            //copy over the public key to remote host
            scp.put(pubKey.getAbsolutePath(), "key.tmp", ".ssh", "0600");            


            //append the public key file contents to authorized_keys file on remote host
            String mergeCommand = "cd .ssh; cat key.tmp >> " + AUTH_KEY_FILE;
            if(logger.isLoggable(Level.FINER)) {
                logger.finer("mergeCommand = " + mergeCommand);

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        return sftpClient;
    }


    public SCPClient getSCPClient() throws IOException {
        openConnection();
        return new SCPClient(connection);
    }

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        if (!ret) {
            throw new IOException("SSH password authentication failed for user " + userName + " on host " + node);
        }
        //initiate scp client
        SCPClient scp = new SCPClient(conn);
        SFTPClient sftp = new SFTPClient(connection);


        if (key.exists()) {


            //fixes .ssh file mode
            setupSSHDir();


            if (pubKeyFile == null) {
                pubKeyFile = keyFile + ".pub";
            }


            File pubKey = new File(pubKeyFile);
            if(!pubKey.exists()) {
                throw new IOException("Public key file " + pubKeyFile + " does not exist.");
            }


            try {
                if(!sftp.exists(SSH_DIR)) {
                    if(logger.isLoggable(Level.FINER)) {
                        logger.fine(SSH_DIR + " does not exist");
                    }
                    sftp.mkdirs(".ssh", 0700);
                }
            } catch (Exception e) {
                if(logger.isLoggable(Level.FINER)) {
                    e.printStackTrace();
                }
                throw new IOException("Error while creating .ssh directory on remote host:" + e.getMessage());
            }


            //copy over the public key to remote host
            scp.put(pubKey.getAbsolutePath(), "key.tmp", ".ssh", "0600");            


            //append the public key file contents to authorized_keys file on remote host
            String mergeCommand = "cd .ssh; cat key.tmp >> " + AUTH_KEY_FILE;
            if(logger.isLoggable(Level.FINER)) {
                logger.finer("mergeCommand = " + mergeCommand);

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        return sftpClient;
    }


    public SCPClient getSCPClient() throws IOException {
        openConnection();
        return new SCPClient(connection);
    }

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        if (!ret) {
            throw new IOException("SSH password authentication failed for user " + userName + " on host " + node);
        }
        //initiate scp client
        SCPClient scp = new SCPClient(conn);
        SFTPClient sftp = new SFTPClient(connection);


        if (key.exists()) {


            //fixes .ssh file mode
            setupSSHDir();


            if (pubKeyFile == null) {
                pubKeyFile = keyFile + ".pub";
            }


            File pubKey = new File(pubKeyFile);
            if(!pubKey.exists()) {
                throw new IOException("Public key file " + pubKeyFile + " does not exist.");
            }


            try {
                if(!sftp.exists(SSH_DIR)) {
                    if(logger.isLoggable(Level.FINER)) {
                        logger.fine(SSH_DIR + " does not exist");
                    }
                    sftp.mkdirs(".ssh", 0700);
                }
            } catch (Exception e) {
                if(logger.isLoggable(Level.FINER)) {
                    e.printStackTrace();
                }
                throw new IOException("Error while creating .ssh directory on remote host:" + e.getMessage());
            }


            //copy over the public key to remote host
            scp.put(pubKey.getAbsolutePath(), "key.tmp", ".ssh", "0600");            


            //append the public key file contents to authorized_keys file on remote host
            String mergeCommand = "cd .ssh; cat key.tmp >> " + AUTH_KEY_FILE;
            if(logger.isLoggable(Level.FINER)) {
                logger.finer("mergeCommand = " + mergeCommand);

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      if (!SSHCmdHelper.sshExecuteCmd(sshConnection, "[ -f '/usr/sbin/dnsmasq' ]")) {
        throw new ConfigurationException("Cannot find dnsmasq at /usr/sbin/dnsmasq on " + _ip);
      }


      SCPClient scp = new SCPClient(sshConnection);
      
      String editHosts = "scripts/network/exdhcp/dnsmasq_edithosts.sh";
      String editHostsPath = Script.findScript("", editHosts);
      if (editHostsPath == null) {
        throw new ConfigurationException("Can not find script dnsmasq_edithosts.sh at " + editHosts);
      }
      scp.put(editHostsPath, "/usr/bin/", "0755");
      
      String prepareDnsmasq = "scripts/network/exdhcp/prepare_dnsmasq.sh";
      String prepareDnsmasqPath = Script.findScript("", prepareDnsmasq);
      if (prepareDnsmasqPath == null) {
        throw new ConfigurationException("Can not find script prepare_dnsmasq.sh at " + prepareDnsmasq);
      }
      scp.put(prepareDnsmasqPath, "/usr/bin/", "0755");
      
      String prepareCmd = String.format("sh /usr/bin/prepare_dnsmasq.sh %1$s %2$s %3$s", _gateway, _dns, _ip);
      if (!SSHCmdHelper.sshExecuteCmd(sshConnection, prepareCmd)) {
        throw new ConfigurationException("prepare dnsmasq at " + _ip + " failed");
      }

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      String cmd = String.format("[ -f /%1$s/pxelinux.0 ] && [ -f /%2$s/kernel ] && [ -f /%3$s/initrd.gz ] ", _tftpDir, _tftpDir, _tftpDir);
      if (!SSHCmdHelper.sshExecuteCmd(sshConnection, cmd)) {
        throw new ConfigurationException("Miss files in TFTP directory at " + _tftpDir + " check if pxelinux.0, kernel initrd.gz are here");
      }
      
      SCPClient scp = new SCPClient(sshConnection);  
      String prepareScript = "scripts/network/ping/prepare_tftp_bootfile.py";
      String prepareScriptPath = Script.findScript("", prepareScript);
      if (prepareScriptPath == null) {
        throw new ConfigurationException("Can not find prepare_tftp_bootfile.py at " + prepareScriptPath);
      }
      scp.put(prepareScriptPath, "/usr/bin/", "0755");
      
      return true;
    } catch (Exception e) {
      throw new ConfigurationException(e.getMessage());
    } finally {

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