Examples with Connection ch.ethz.ssh2.Connection used on opensource projects

Example 46 with Connection

use of ch.ethz.ssh2.Connection in project intellij-community by JetBrains.

the class UsingKnownHosts method main.

public static void main(String[] args) throws IOException {
    String hostname = "somehost";
    String username = "joe";
    String password = "joespass";
    File knownHosts = new File("~/.ssh/known_hosts");
    try {
        if (knownHosts.exists())
            database.addHostkeys(knownHosts);
        /* Create a connection instance */
        Connection conn = new Connection(hostname);
        /* Now connect and use the SimpleVerifier */
        conn.connect(new SimpleVerifier(database));
        /* Authenticate */
        boolean isAuthenticated = conn.authenticateWithPassword(username, password);
        if (isAuthenticated == false)
            throw new IOException("Authentication failed.");
        /* Create a session */
        Session sess = conn.openSession();
        sess.execCommand("uname -a && date && uptime && who");
        InputStream stdout = new StreamGobbler(sess.getStdout());
        BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
        System.out.println("Here is some information about the remote host:");
        while (true) {
            String line = br.readLine();
            if (line == null)
                break;
            System.out.println(line);
        }
        /* Close this session */
        sess.close();
        /* Close the connection */
        conn.close();
    } catch (IOException e) {
        e.printStackTrace(System.err);
        System.exit(2);
    }
}

Example 47 with Connection

use of ch.ethz.ssh2.Connection in project wildfly by wildfly.

the class ServerSecurityInterceptor method aroundInvoke.

@AroundInvoke
public Object aroundInvoke(final InvocationContext invocationContext) throws Exception {
    Principal desiredUser = null;
    RealmUser connectionUser = null;
    Map<String, Object> contextData = invocationContext.getContextData();
    if (contextData.containsKey(DELEGATED_USER_KEY)) {
        desiredUser = new SimplePrincipal((String) contextData.get(DELEGATED_USER_KEY));
        Connection con = RemotingContext.getConnection();
        if (con != null) {
            SecurityIdentity localIdentity = con.getLocalIdentity();
            if (localIdentity != null) {
                connectionUser = new RealmUser(localIdentity.getPrincipal().getName());
            }
        } else {
            throw new IllegalStateException("Delegation user requested but no user on connection found.");
        }
    }
    SecurityContext cachedSecurityContext = null;
    boolean contextSet = false;
    try {
        if (desiredUser != null && connectionUser != null && (desiredUser.getName().equals(connectionUser.getName()) == false)) {
            try {
                // The final part of this check is to verify that the change does actually indicate a change in user.
                // We have been requested to switch user and have successfully identified the user from the connection
                // so now we attempt the switch.
                cachedSecurityContext = SecurityContextAssociation.getSecurityContext();
                final SecurityContext nextContext = SecurityContextFactory.createSecurityContext(desiredUser, new CurrentUserCredential(connectionUser.getName()), new Subject(), "fooSecurityDomain");
                SecurityContextAssociation.setSecurityContext(nextContext);
                // keep track that we switched the security context
                contextSet = true;
                RemotingContext.clear();
            } catch (Exception e) {
                LOGGER.error("Failed to switch security context for user", e);
                // Don't propagate the exception stacktrace back to the client for security reasons
                throw new EJBAccessException("Unable to attempt switching of user.");
            }
        }
        return invocationContext.proceed();
    } finally {
        // switch back to original security context
        if (contextSet) {
            SecurityContextAssociation.setSecurityContext(cachedSecurityContext);
        }
    }
}

Example 48 with Connection

use of ch.ethz.ssh2.Connection in project ACS by ACS-Community.

the class Executor method remoteDownAllPortable.

/**
	 * Shuts down all ssh-sessions and -connections that may still be active.
	 */
private static void remoteDownAllPortable() {
    for (Session sess : sessions) {
        try {
            sess.close();
            log.fine("closed " + sess);
        } catch (Exception exc) {
            log.fine("could not close " + sess);
        }
    }
    for (Connection conn : connections) {
        try {
            conn.close();
            log.fine("closed " + conn);
        } catch (Exception exc) {
            log.fine("could not close " + conn);
        }
    }
}

Example 49 with Connection

use of ch.ethz.ssh2.Connection in project cloudstack by apache.

the class StressTestDirectAttach 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 " + s_account.get());
                Thread.sleep(300000);
            }
            s_logger.info("Attempting to SSH into windows host " + host + " with retry attempt: " + retry + " for account " + s_account.get());
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);
            s_logger.info("User " + s_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 + " + s_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 (// 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) {
                Thread.sleep(120000);
                return null;
            } else {
                retry++;
                if (retry == MAX_RETRY_WIN) {
                    return "SSH Windows Network test fail for account " + s_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 50 with Connection

use of ch.ethz.ssh2.Connection in project cloudstack by apache.

the class EventsApiTest method executeTest.

@Override
public boolean executeTest() {
    int error = 0;
    Element rootElement = this.getInputFile().get(0).getDocumentElement();
    NodeList commandLst = rootElement.getElementsByTagName("command");
    //Analyze each command, send request and build the array list of api commands
    for (int i = 0; i < commandLst.getLength(); i++) {
        Node fstNode = commandLst.item(i);
        Element fstElmnt = (Element) fstNode;
        //!!!check if we need to execute mySql command
        NodeList commandName = fstElmnt.getElementsByTagName("name");
        Element commandElmnt = (Element) commandName.item(0);
        NodeList commandNm = commandElmnt.getChildNodes();
        if (commandNm.item(0).getNodeValue().equals("mysqlupdate")) {
            //establish connection to mysql server and execute an update command
            NodeList mysqlList = fstElmnt.getElementsByTagName("mysqlcommand");
            for (int j = 0; j < mysqlList.getLength(); j++) {
                Element itemVariableElement = (Element) mysqlList.item(j);
                s_logger.info("Executing mysql command " + itemVariableElement.getTextContent());
                try {
                    Statement st = this.getConn().createStatement();
                    st.executeUpdate(itemVariableElement.getTextContent());
                } catch (Exception ex) {
                    s_logger.error(ex);
                    return false;
                }
            }
        } else if (commandNm.item(0).getNodeValue().equals("agentcommand")) {
            //connect to all the agents and execute agent command
            NodeList commandList = fstElmnt.getElementsByTagName("commandname");
            Element commandElement = (Element) commandList.item(0);
            NodeList ipList = fstElmnt.getElementsByTagName("ip");
            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;
                }
            }
        } else {
            //new command
            ApiCommand api = new ApiCommand(fstElmnt, this.getParam(), this.getCommands());
            //send a command
            api.sendCommand(this.getClient(), null);
            //verify the response of the command
            if ((api.getResponseType() == ResponseType.ERROR) && (api.getResponseCode() == 200)) {
                s_logger.error("Test case " + api.getTestCaseInfo() + " failed. Command that was supposed to fail, passed. The command was sent with the following url " + api.getUrl());
                error++;
            } else if ((api.getResponseType() != ResponseType.ERROR) && (api.getResponseCode() == 200)) {
                //verify if response is suppposed to be empty
                if (api.getResponseType() == ResponseType.EMPTY) {
                    if (api.isEmpty() == true) {
                        s_logger.info("Test case " + api.getTestCaseInfo() + " passed. Empty response was returned as expected. Command was sent with url " + api.getUrl());
                    } else {
                        s_logger.error("Test case " + api.getTestCaseInfo() + " failed. Empty response was expected. Command was sent with url " + api.getUrl());
                    }
                } else {
                    if (api.isEmpty() != false)
                        s_logger.error("Test case " + api.getTestCaseInfo() + " failed. Non-empty response was expected. Command was sent with url " + api.getUrl());
                    else {
                        //set parameters for the future use
                        if (api.setParam(this.getParam()) == false) {
                            s_logger.error("Exiting the test...Command " + api.getName() + " didn't return parameters needed for the future use. The command was sent with url " + api.getUrl());
                            return false;
                        } else if (api.getTestCaseInfo() != null) {
                            s_logger.info("Test case " + api.getTestCaseInfo() + " passed. Command was sent with the url " + api.getUrl());
                        }
                    }
                }
            } else if ((api.getResponseType() != ResponseType.ERROR) && (api.getResponseCode() != 200)) {
                s_logger.error("Command " + api.getName() + " failed with an error code " + api.getResponseCode() + " . Command was sent with url  " + api.getUrl());
                if (api.getRequired() == true) {
                    s_logger.info("The command is required for the future use, so exiging");
                    return false;
                }
                error++;
            } else if (api.getTestCaseInfo() != null) {
                s_logger.info("Test case " + api.getTestCaseInfo() + " passed. Command that was supposed to fail, failed. Command was sent with url " + api.getUrl());
            }
        }
    }
    //verify events with userid parameter - test case 97
    HashMap<String, Integer> expectedEvents = new HashMap<String, Integer>();
    expectedEvents.put("VM.START", 1);
    boolean eventResult = ApiCommand.verifyEvents(expectedEvents, "INFO", "http://" + this.getParam().get("hostip") + ":8096", "userid=" + this.getParam().get("userid1") + "&type=VM.START");
    s_logger.info("Test case 97 - listEvent command verification result is  " + eventResult);
    //verify error events
    eventResult = ApiCommand.verifyEvents("../metadata/error_events.properties", "ERROR", "http://" + this.getParam().get("hostip") + ":8096", this.getParam().get("erroruseraccount"));
    s_logger.info("listEvent command verification result is  " + eventResult);
    if (error != 0)
        return false;
    else
        return true;
}