Examples with Session iaik.pkcs.pkcs11.Session used on opensource projects

Example 56 with Session

use of iaik.pkcs.pkcs11.Session in project cosmic by MissionCriticalCloud.

the class SshHelper method sshExecute.

public static Pair<Boolean, String> sshExecute(final String host, final int port, final String user, final File pemKeyFile, final String password, final String command, final int connectTimeoutInMs, final int kexTimeoutInMs, final int waitResultTimeoutInMs) throws Exception {
    com.trilead.ssh2.Connection conn = null;
    com.trilead.ssh2.Session sess = null;
    try {
        conn = new com.trilead.ssh2.Connection(host, port);
        conn.connect(null, connectTimeoutInMs, kexTimeoutInMs);
        if (pemKeyFile == null) {
            if (!conn.authenticateWithPassword(user, password)) {
                final String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        } else {
            if (!conn.authenticateWithPublicKey(user, pemKeyFile, password)) {
                final String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        }
        sess = openConnectionSession(conn);
        sess.execCommand(command);
        final InputStream stdout = sess.getStdout();
        final InputStream stderr = sess.getStderr();
        final byte[] buffer = new byte[8192];
        final StringBuffer sbResult = new StringBuffer();
        int currentReadBytes = 0;
        while (true) {
            throwSshExceptionIfStdoutOrStdeerIsNull(stdout, stderr);
            if ((stdout.available() == 0) && (stderr.available() == 0)) {
                final int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF | ChannelCondition.EXIT_STATUS, waitResultTimeoutInMs);
                throwSshExceptionIfConditionsTimeout(conditions);
                if ((conditions & ChannelCondition.EXIT_STATUS) != 0) {
                    break;
                }
                if (canEndTheSshConnection(waitResultTimeoutInMs, sess, conditions)) {
                    break;
                }
            }
            while (stdout.available() > 0) {
                currentReadBytes = stdout.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
            while (stderr.available() > 0) {
                currentReadBytes = stderr.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
        }
        final String result = sbResult.toString();
        if (sess.getExitStatus() == null) {
            // Exit status is NOT available. Returning failure result.
            s_logger.error(String.format("SSH execution of command %s has no exit status set. Result output: %s", command, result));
            return new Pair<>(false, result);
        }
        if (sess.getExitStatus() != null && sess.getExitStatus().intValue() != 0) {
            s_logger.error(String.format("SSH execution of command %s has an error status code in return. Result output: %s", command, result));
            return new Pair<>(false, result);
        }
        return new Pair<>(true, result);
    } finally {
        if (sess != null) {
            sess.close();
        }
        if (conn != null) {
            conn.close();
        }
    }
}

Example 57 with Session

use of iaik.pkcs.pkcs11.Session in project cosmic by MissionCriticalCloud.

the class SSHCmdHelper method sshExecuteCmdOneShotWithExitCode.

public static int sshExecuteCmdOneShotWithExitCode(final com.trilead.ssh2.Connection sshConnection, final String cmd) throws SshException {
    s_logger.debug("Executing cmd: " + cmd);
    Session sshSession = null;
    try {
        sshSession = sshConnection.openSession();
        // There is a bug in Trilead library, wait a second before
        // starting a shell and executing commands, from http://spci.st.ewi.tudelft.nl/chiron/xref/nl/tudelft/swerl/util/SSHConnection.html
        Thread.sleep(1000);
        if (sshSession == null) {
            throw new SshException("Cannot open ssh session");
        }
        sshSession.execCommand(cmd);
        final InputStream stdout = sshSession.getStdout();
        final InputStream stderr = sshSession.getStderr();
        final byte[] buffer = new byte[8192];
        final StringBuffer sbResult = new StringBuffer();
        int currentReadBytes = 0;
        while (true) {
            if (stdout == null || stderr == null) {
                throw new SshException("stdout or stderr of ssh session is null");
            }
            if ((stdout.available() == 0) && (stderr.available() == 0)) {
                final int conditions = sshSession.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF | ChannelCondition.EXIT_STATUS, 120000);
                if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                    final String msg = "Timed out in waiting SSH execution result";
                    s_logger.error(msg);
                    throw new Exception(msg);
                }
                if ((conditions & ChannelCondition.EXIT_STATUS) != 0) {
                    if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                        break;
                    }
                }
                if ((conditions & ChannelCondition.EOF) != 0) {
                    if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                        break;
                    }
                }
            }
            while (stdout.available() > 0) {
                currentReadBytes = stdout.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
            while (stderr.available() > 0) {
                currentReadBytes = stderr.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
        }
        final String result = sbResult.toString();
        if (result != null && !result.isEmpty()) {
            s_logger.debug(cmd + " output:" + result);
        }
        // exit status delivery might get delayed
        for (int i = 0; i < 10; i++) {
            final Integer status = sshSession.getExitStatus();
            if (status != null) {
                return status;
            }
            Thread.sleep(100);
        }
        return -1;
    } catch (final Exception e) {
        s_logger.debug("Ssh executed failed", e);
        throw new SshException("Ssh executed failed " + e.getMessage());
    } finally {
        if (sshSession != null) {
            sshSession.close();
        }
    }
}

Example 58 with Session

use of iaik.pkcs.pkcs11.Session in project CloudStack-archive by CloudStack-extras.

the class TestClientWithAPI method sshWinTest.

private static String sshWinTest(String host) {
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring win ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    int retry = 1;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 300 seconds before next attempt. Account is " + _account.get());
                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 (// this check is somewhat paranoid
                    len > 0)
                        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++;
                if (retry == MAX_RETRY_WIN) {
                    return "SSH Windows Network test fail for account " + _account.get();
                }
            }
        } catch (Exception e) {
            s_logger.error(e);
            retry++;
            if (retry == MAX_RETRY_WIN) {
                return "SSH Windows Network test fail with error " + e.getMessage();
            }
        }
    }
}

Example 59 with Session

use of iaik.pkcs.pkcs11.Session in project CloudStack-archive by CloudStack-extras.

the class TestClientWithAPI method sshTest.

private static String sshTest(String host, String password, String snapshot_test) {
    int i = 0;
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }
    if (password == null) {
        s_logger.info("Did not receive a password back from test, ignoring ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    String result = null;
    int retry = 0;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt. Account is " + _account.get());
                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 (// this check is somewhat paranoid
                    len > 0)
                        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";
                }
            }
            if (snapshot_test.equals("no"))
                return result;
            else {
                Long sleep = 300000L;
                s_logger.info("Sleeping for " + sleep / 1000 / 60 + "minutes before executing next ssh test");
                Thread.sleep(sleep);
            }
        } catch (Exception e) {
            retry++;
            s_logger.error("SSH Linux Network test fail with error");
            if ((retry == MAX_RETRY_LINUX) && (snapshot_test.equals("no"))) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
        i++;
    }
}

Example 60 with Session

use of iaik.pkcs.pkcs11.Session in project CloudStack-archive by CloudStack-extras.

the class SSHCmdHelper method sshExecuteCmdOneShotWithExitCode.

public static int sshExecuteCmdOneShotWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd) throws sshException {
    s_logger.debug("Executing cmd: " + cmd);
    Session sshSession = null;
    try {
        sshSession = sshConnection.openSession();
        // There is a bug in Trilead library, wait a second before
        // starting a shell and executing commands, from http://spci.st.ewi.tudelft.nl/chiron/xref/nl/tudelft/swerl/util/SSHConnection.html
        Thread.sleep(1000);
        if (sshSession == null) {
            throw new sshException("Cannot open ssh session");
        }
        sshSession.execCommand(cmd);
        InputStream stdout = sshSession.getStdout();
        InputStream stderr = sshSession.getStderr();
        byte[] buffer = new byte[8192];
        while (true) {
            if (stdout == null || stderr == null) {
                throw new sshException("stdout or stderr of ssh session is null");
            }
            if ((stdout.available() == 0) && (stderr.available() == 0)) {
                int conditions = sshSession.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.");
                    break;
                }
                if ((conditions & ChannelCondition.EOF) != 0) {
                    if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                        break;
                    }
                }
            }
            while (stdout.available() > 0) {
                stdout.read(buffer);
            }
            while (stderr.available() > 0) {
                stderr.read(buffer);
            }
        }
        if (buffer[0] != 0)
            s_logger.debug(cmd + " output:" + new String(buffer));
        Thread.sleep(1000);
        return sshSession.getExitStatus();
    } catch (Exception e) {
        s_logger.debug("Ssh executed failed", e);
        throw new sshException("Ssh executed failed " + e.getMessage());
    } finally {
        if (sshSession != null)
            sshSession.close();
    }
}