Examples of ch.ethz.ssh2.Connection

com.trilead.ssh2.Connection
A Connection is used to establish an encrypted TCP/IP connection to a SSH-2 server.
Typically, one
1. creates a {@link #Connection(String) Connection} object.
2. calls the {@link #connect() connect()} method.
3. calls some of the authentication methods (e.g., {@link #authenticateWithPublicKey(String,File,String) authenticateWithPublicKey()}).
4. calls one or several times the {@link #openSession() openSession()} method.
5. finally, one must close the connection and release resources with the {@link #close() close()} method.
@author Christian Plattner, plattner@inf.ethz.ch @version $Id: Connection.java,v 1.28 2006/09/12 15:35:26 cplattne Exp $

    setURI(remote.getURI());
  }
  
  public void connect() throws HgAuthFailedException, HgRemoteConnectionException, HgRuntimeException {
    try {
      conn = new Connection(uri.getHost(), uri.getPort() == -1 ? 22 : uri.getPort());
      conn.connect();
      authenticateClient();
    } catch (IOException ex) {
      throw new HgRemoteConnectionException("Failed to establish connection").setServerInfo(getServerLocation());
    }

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          for (int j=0; j<ipList.getLength(); j++) {
            Element itemVariableElement = (Element) ipList.item(j);
            
            s_logger.info("Attempting to SSH into agent " + itemVariableElement.getTextContent());
            try {
              Connection conn = new Connection(itemVariableElement.getTextContent());
            conn.connect(null, 60000, 60000);


            s_logger.info("SSHed successfully into agent " + itemVariableElement.getTextContent());


            boolean isAuthenticated = conn.authenticateWithPassword("root",
                "password");


            if (isAuthenticated == false) {
              s_logger.info("Authentication failed for root with password");
              return false;
            }
            
            Session sess = conn.openSession();
            s_logger.info("Executing : " + commandElement.getTextContent());
            sess.execCommand(commandElement.getTextContent());
            Thread.sleep(60000);
            sess.close();
            conn.close();
            
            } catch (Exception ex) {
              s_logger.error(ex);
              return false;
            }

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        if (api.getName().equals("rebootManagementServer")) {
            
          s_logger.info("Attempting to SSH into management server " + this.getParam().get("hostip"));
          try {
            Connection conn = new Connection(this.getParam().get("hostip"));
          conn.connect(null, 60000, 60000);


          s_logger.info("SSHed successfully into management server " + this.getParam().get("hostip"));


          boolean isAuthenticated = conn.authenticateWithPassword("root",
              "password");


          if (isAuthenticated == false) {
            s_logger.info("Authentication failed for root with password");
            return false;
          }
          
          String restartCommand = "service cloud-management restart; service cloud-usage restart";
          Session sess = conn.openSession();
          s_logger.info("Executing : " + restartCommand);
          sess.execCommand(restartCommand);
          Thread.sleep(120000);
          sess.close();
          conn.close();
          
          } catch (Exception ex) {
            s_logger.error(ex);
            return false;
          }

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          Thread.sleep(300000);
        }
        
        s_logger.info("Attempting to SSH into windows host " + host + " with retry attempt: " + retry);
        
        Connection conn = new Connection(host);
        conn.connect(null, 60000, 60000);
        
        s_logger.info("SSHed successfully into windows host " + host);
        boolean success = false;
        boolean isAuthenticated = conn.authenticateWithPassword("vmops", "vmops");
        if (isAuthenticated == false) {
          return "Authentication failed";
        }
        SCPClient scp = new SCPClient(conn);
        
        scp.put("wget.exe", "");
        
        Session sess = conn.openSession();
        s_logger.info("Executing : wget http://172.16.0.220/dump.bin");
        sess.execCommand("wget http://172.16.0.220/dump.bin && dir dump.bin");
        
        InputStream stdout = sess.getStdout();
        InputStream stderr = sess.getStderr();
        
        byte[] buffer = new byte[8192];
        while (true) {
          if ((stdout.available() == 0) && (stderr.available() == 0)) {
            int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA
                | ChannelCondition.EOF, 120000);
            
            if ((conditions & ChannelCondition.TIMEOUT) != 0) {
              s_logger.info("Timeout while waiting for data from peer.");
              return null;
            }
            
            if ((conditions & ChannelCondition.EOF) != 0) {
              if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                break;
              }
            }
          }
          
          while (stdout.available() > 0) {
            success = true;
            int len = stdout.read(buffer);
            if (len > 0) // this check is somewhat paranoid
              s_logger.info(new String(buffer, 0, len));
          }
    
          while (stderr.available() > 0) {
            int len = stderr.read(buffer);
          }
        }
        sess.close();
        conn.close();
        
        if (success) {
          return null;
        } else {
          retry++;

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          Thread.sleep(120000);
        }
        
        s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry);
        
        Connection conn = new Connection(host);
        conn.connect(null, 60000, 60000);
        
        s_logger.info("SSHed successfully into linux host " + host);
    
        boolean isAuthenticated = conn.authenticateWithPassword("root", "password");
    
        if (isAuthenticated == false) {
          return "Authentication failed";
        }
        boolean success = false;
        Session sess = conn.openSession();
        s_logger.info("Executing : wget http://172.16.0.220/dump.bin");
        sess.execCommand("wget http://172.16.0.220/dump.bin && ls -al dump.bin");
        
        InputStream stdout = sess.getStdout();
        InputStream stderr = sess.getStderr();
        
        byte[] buffer = new byte[8192];
        while (true) {
          if ((stdout.available() == 0) && (stderr.available() == 0)) {
            int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA
                | ChannelCondition.EOF, 120000);
            
            if ((conditions & ChannelCondition.TIMEOUT) != 0) {
              s_logger.info("Timeout while waiting for data from peer.");
              return null;
            }
            
            if ((conditions & ChannelCondition.EOF) != 0) {
              if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                break;
              }
            }
          }
          
          while (stdout.available() > 0) {
            success = true;
            int len = stdout.read(buffer);
            if (len > 0) // this check is somewhat paranoid
              s_logger.info(new String(buffer, 0, len));
          }
    
          while (stderr.available() > 0) {
            int len = stderr.read(buffer);
          }
        }
        
        sess.close();
        conn.close();
        
        if (success) {
          return null;
        } else {
          retry++;

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                    Thread.sleep(300000);
                }


                s_logger.info("Attempting to SSH into windows host " + host + " with retry attempt: " + retry + " for account " + _account.get());


                Connection conn = new Connection(host);
                conn.connect(null, 60000, 60000);


                s_logger.info("User " + _account.get() + " ssHed successfully into windows host " + host);
                boolean success = false;
                boolean isAuthenticated = conn.authenticateWithPassword("Administrator", "password");
                if (isAuthenticated == false) {
                    return "Authentication failed";
                } else {
                    s_logger.info("Authentication is successfull");
                }


                try {
                    SCPClient scp = new SCPClient(conn);
                    scp.put("wget.exe", "wget.exe", "C:\\Users\\Administrator", "0777");
                    s_logger.info("Successfully put wget.exe file");
                } catch (Exception ex) {
                    s_logger.error("Unable to put wget.exe " + ex);
                }


                if (conn == null) {
                    s_logger.error("Connection is null");
                }
                Session sess = conn.openSession();


                s_logger.info("User + " + _account.get() + " executing : wget http://" + downloadUrl);
                String downloadCommand = "wget http://" + downloadUrl + " && dir dump.bin";
                sess.execCommand(downloadCommand);


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();


                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger.info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }
                sess.close();
                conn.close();


                if (success) {
                    return null;
                } else {
                    retry++;

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                    Thread.sleep(120000);
                }


                s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry + ". Account is " + _account.get());


                Connection conn = new Connection(host);
                conn.connect(null, 60000, 60000);


                s_logger.info("User + " + _account.get() + " ssHed successfully into linux host " + host);


                boolean isAuthenticated = conn.authenticateWithPassword("root", password);


                if (isAuthenticated == false) {
                    s_logger.info("Authentication failed for root with password" + password);
                    return "Authentication failed";


                }


                boolean success = false;
                String linuxCommand = null;


                if (i % 10 == 0)
                    linuxCommand = "rm -rf *; wget http://" + downloadUrl + " && ls -al dump.bin";
                else
                    linuxCommand = "wget http://" + downloadUrl + " && ls -al dump.bin";


                Session sess = conn.openSession();
                s_logger.info("User " + _account.get() + " executing : " + linuxCommand);
                sess.execCommand(linuxCommand);


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();


                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger.info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }


                sess.close();
                conn.close();


                if (!success) {
                    retry++;
                    if (retry == MAX_RETRY_LINUX) {
                        result = "SSH Linux Network test fail";

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                }


                s_logger.info("Attempting to SSH into windows host " + host
                        + " with retry attempt: " + retry + " for account " + _account.get());


                Connection conn = new Connection(host);
                conn.connect(null, 60000, 60000);


                s_logger.info("User " + _account.get() + " ssHed successfully into windows host " + host);
                boolean success = false;
                boolean isAuthenticated = conn.authenticateWithPassword(
                        "Administrator", "password");
                if (isAuthenticated == false) {
                    return "Authentication failed";
                }
                else {
                    s_logger.info("Authentication is successfull");
                }


                try {
                    SCPClient scp = new SCPClient(conn);
                    scp.put("wget.exe", "wget.exe", "C:\\Users\\Administrator", "0777");
                    s_logger.info("Successfully put wget.exe file");
                } catch (Exception ex) {
                    s_logger.error("Unable to put wget.exe " + ex);
                }


                if (conn == null ){
                    s_logger.error("Connection is null");
                }
                Session sess = conn.openSession();


                s_logger.info("User + " + _account.get() + " executing : wget http://192.168.1.250/dump.bin");
                sess
                .execCommand("wget http://192.168.1.250/dump.bin && dir dump.bin");


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();


                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(
                                ChannelCondition.STDOUT_DATA
                                | ChannelCondition.STDERR_DATA
                                | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger
                            .info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }
                sess.close();
                conn.close();


                if (success) {
                    Thread.sleep(120000);
                    return null;
                } else {

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                }


                s_logger.info("Attempting to SSH into linux host " + host
                        + " with retry attempt: " + retry + ". Account is " + _account.get());


                Connection conn = new Connection(host);
                conn.connect(null, 60000, 60000);


                s_logger.info("User + " + _account.get() + " ssHed successfully into linux host " + host);


                boolean isAuthenticated = conn.authenticateWithPassword("root",
                        password);


                if (isAuthenticated == false) {
                    s_logger.info("Authentication failed for root with password" + password);
                    return "Authentication failed";


                }


                boolean success = false;
                String linuxCommand = null;


                if (i % 10 == 0) 
                    linuxCommand = "rm -rf *; wget http://192.168.1.250/dump.bin && ls -al dump.bin";
                else 
                    linuxCommand = "wget http://192.168.1.250/dump.bin && ls -al dump.bin";


                Session sess = conn.openSession();
                s_logger.info("User " + _account.get() + " executing : " + linuxCommand);
                sess.execCommand(linuxCommand);


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();




                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(
                                ChannelCondition.STDOUT_DATA
                                | ChannelCondition.STDERR_DATA
                                | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger
                            .info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }


                sess.close();
                conn.close();


                if (!success) {
                    retry++;
                    if (retry == MAX_RETRY_LINUX) {
                        result = "SSH Linux Network test fail";

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          }
          for (VirtualMachine vm: this.virtualMachines ){
            
              s_logger.info("Attempting to SSH into linux host " + this.publicIp
                  + " with retry attempt: " + retry);
              Connection conn = new Connection(this.publicIp);
              conn.connect(null, 600000, 600000);


              s_logger.info("SSHed successfully into linux host " + this.publicIp);


              boolean isAuthenticated = conn.authenticateWithPassword("root",
                  "password");


              if (isAuthenticated == false) {
                s_logger.info("Authentication failed");
              }
              //execute copy command
              Session sess = conn.openSession();
              String fileName;
              Random ran = new Random();
              fileName=Math.abs(ran.nextInt())+"-file";
              String copyCommand = new String ("./scpScript "+vm.getPrivateIp()+" "+fileName);
              s_logger.info("Executing " + copyCommand);
              sess.execCommand(copyCommand);
              Thread.sleep(120000);
              sess.close();
              
              //execute wget command
              sess = conn.openSession();
              String downloadCommand = new String ("wget http://172.16.0.220/scripts/checkDiskSpace.sh; chmod +x *sh; ./checkDiskSpace.sh; rm -rf checkDiskSpace.sh");
              s_logger.info("Executing " + downloadCommand);
              sess.execCommand(downloadCommand);
              Thread.sleep(120000);
              sess.close();
              
              //close the connection
              conn.close();
            }
          }catch (Exception ex) {
              s_logger.error(ex);
              retry++;
              if (retry == retryNum) {

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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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