Example usage for java.lang System getSecurityManager

List of usage examples for java.lang System getSecurityManager

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Introduction

In this page you can find the example usage for java.lang System getSecurityManager.

Prototype

public static SecurityManager getSecurityManager()

Source Link

Document

Gets the system-wide security manager.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }/*from   w w  w . j  a  va 2s . co  m*/
}

From source file:Main.java

public static void main(String[] args) {

    SecurityManager s = System.getSecurityManager();
    if (s == null) {
        System.out.println("SecurityManager not established!");
    }/* ww  w.ja va 2  s. c o  m*/
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        FilePermission fp = new FilePermission("c:\\autoexec.bat", "read");
        sm.checkPermission(fp);//from  w  w w . j  a  v a 2s  .c  o  m
    }

    if (sm != null) {
        AWTPermission ap = new AWTPermission("accessClipboard");
        sm.checkPermission(ap);
    }
    System.out.println("Has AWTPermission to access AWT Clipboard");

}

From source file:org.pepstock.jem.junit.test.antutils.java.TrySecurity.java

/**
 * //from  w w w. j  a v a  2s.  c  o m
 * @param args
 * @throws Exception
 */
public static void main(String[] args) throws Exception {

    String what = null;
    try {
        what = "CHANGE SECURITY MANAGER!";
        // gry to change security manager
        System.setSecurityManager(null);
    } catch (Exception e) {
        e.printStackTrace();
        try {
            what = "CHANGE FIELD OF SECURITY MANAGER!";
            SecurityManager sm = System.getSecurityManager();
            Field f = sm.getClass().getField("isAdministrator");
            System.err.println(FieldUtils.readField(f, sm, true));
        } catch (Exception e1) {
            e1.printStackTrace();
            return;
        }
    }
    throw new SecurityException("Securitymanager is not secure: " + what);
}

From source file:client.ComputePi.java

public static void main(String args[]) {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }/*from  w w w. jav  a  2 s . co m*/
    try {
        String name = "Compute";
        Registry registry = LocateRegistry.getRegistry(args[0]);
        Compute comp = (Compute) registry.lookup(name);
        Pi task = new Pi(Integer.parseInt(args[1]));
        BigDecimal pi = comp.executeTask(task);
        System.out.println(pi);
    } catch (Exception e) {
        System.err.println("ComputePi exception:");
        e.printStackTrace();
    }
}

From source file:azkaban.soloserver.AzkabanSingleServer.java

public static void main(String[] args) throws Exception {
    log.info("Starting Azkaban Server");

    if (System.getSecurityManager() == null) {
        Policy.setPolicy(new Policy() {
            @Override/*  w ww . j a  v a2  s  .  co  m*/
            public boolean implies(final ProtectionDomain domain, final Permission permission) {
                return true; // allow all
            }
        });
        System.setSecurityManager(new SecurityManager());
    }

    if (args.length == 0) {
        args = prepareDefaultConf();
    }

    final Props props = AzkabanServer.loadProps(args);
    if (props == null) {
        log.error("Properties not found. Need it to connect to the db.");
        log.error("Exiting...");
        return;
    }

    if (props.getBoolean(AzkabanDatabaseSetup.DATABASE_CHECK_VERSION, true)) {
        final boolean updateDB = props.getBoolean(AzkabanDatabaseSetup.DATABASE_AUTO_UPDATE_TABLES, true);
        final String scriptDir = props.getString(AzkabanDatabaseSetup.DATABASE_SQL_SCRIPT_DIR, "sql");
        AzkabanDatabaseUpdater.runDatabaseUpdater(props, scriptDir, updateDB);
    }

    /* Initialize Guice Injector */
    final Injector injector = Guice.createInjector(new AzkabanCommonModule(props), new AzkabanWebServerModule(),
            new AzkabanExecServerModule());
    SERVICE_PROVIDER.setInjector(injector);

    /* Launch server */
    injector.getInstance(AzkabanSingleServer.class).launch();
}

From source file:engine.ComputeEngine.java

public static void main(String[] args) {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }//from  w  w w.  j  a v a2s .  c  o m
    try {
        String name = "Compute";
        Compute engine = new ComputeEngine();
        Compute stub = (Compute) UnicastRemoteObject.exportObject(engine, 0);
        Registry registry = LocateRegistry.getRegistry();
        registry.rebind(name, stub);
        System.out.println("ComputeEngine bound");
    } catch (Exception e) {
        System.err.println("ComputeEngine exception:");
        e.printStackTrace();
    }
}

From source file:org.kchine.rpf.MainServer.java

public static void main(String[] args) throws Exception {

    PoolUtils.initLog4J();// ww w  . ja v a 2  s . c o  m
    PoolUtils.ensurePublicIPIsUsedForRMI();
    PoolUtils.noGui();

    try {

        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new YesSecurityManager());
        }

        boolean isNodeProvided = System.getProperty("node") != null && !System.getProperty("node").equals("");
        if (isNodeProvided) {
            NodeDataDB nodeData = null;
            try {
                rmiRegistry = ServerDefaults.getRmiRegistry();
                nodeData = ((DBLayerInterface) rmiRegistry)
                        .getNodeData("NODE_NAME='" + System.getProperty("node") + "'").elementAt(0);
            } catch (Exception e) {
                log.info("Couldn't retrieve Node Info for node <" + System.getProperty("node") + ">");
                e.printStackTrace();
                return;
            }
            System.setProperty("autoname", "true");
            _servantPoolPrefix = nodeData.getPoolPrefix();

            System.out.println("nodedata:" + nodeData);
        }

        if (System.getProperty("autoname") != null && System.getProperty("autoname").equalsIgnoreCase("true")) {
            log.info("Instantiating " + _mainServantClassName + " with autonaming, prefix "
                    + _servantPoolPrefix);
            servantName = null;
        } else {
            // no autonaming, check the name here
            if (System.getProperty("name") != null && !System.getProperty("name").equals("")) {
                servantName = System.getProperty("name");
            }
            log.info("Instantiating " + _mainServantClassName + " with name " + servantName + " , prefix "
                    + _servantPoolPrefix);
        }

        if (rmiRegistry == null)
            rmiRegistry = ServerDefaults.getRmiRegistry();

        System.out.println("### code base:" + System.getProperty("java.rmi.server.codebase"));

        ClassLoader cl = new URLClassLoader(PoolUtils.getURLS(System.getProperty("java.rmi.server.codebase")),
                MainServer.class.getClassLoader());
        Thread.currentThread().setContextClassLoader(cl);
        System.out.println(Arrays.toString(PoolUtils.getURLS(System.getProperty("java.rmi.server.codebase"))));

        mainServantClass = cl.loadClass(_mainServantClassName);

        boolean isPrivateServant = !isNodeProvided && ((System.getProperty("private") != null
                && System.getProperty("private").equalsIgnoreCase("true")));

        String servantCreationListenerStub = System.getProperty("listener.stub");
        if (servantCreationListenerStub != null && !servantCreationListenerStub.equals("")) {
            servantCreationListener = (ServantCreationListener) PoolUtils
                    .hexToObject(servantCreationListenerStub);
        }

        if (!isPrivateServant) {
            mservant = (ManagedServant) mainServantClass
                    .getConstructor(new Class[] { String.class, String.class, Registry.class })
                    .newInstance(new Object[] { servantName, _servantPoolPrefix, rmiRegistry });

        } else {

            mservant = (ManagedServant) mainServantClass
                    .getConstructor(new Class[] { String.class, String.class, Registry.class })
                    .newInstance(new Object[] { null, "PRIVATE_", rmiRegistry });

        }

        //System.out.println("clone:"+mservant.cloneServer());
        if (servantCreationListener != null) {
            PoolUtils.callBack(servantCreationListener, mservant, null);
        }

        String sname = mservant.getServantName();
        log.info("sname :::" + sname);
        if (rmiRegistry instanceof DBLayerInterface) {
            if (System.getProperty("node") != null && !System.getProperty("node").equalsIgnoreCase("")) {
                ((DBLayerInterface) rmiRegistry).updateServantNodeName(sname, System.getProperty("node"));
            } else {
                Vector<NodeDataDB> nodes = ((DBLayerInterface) rmiRegistry).getNodeData("");
                for (int i = 0; i < nodes.size(); ++i) {
                    String nodeName = nodes.elementAt(i).getNodeName();
                    String nodeIp = nodes.elementAt(i).getHostIp();
                    String nodePrefix = nodes.elementAt(i).getPoolPrefix();
                    if (sname.startsWith(nodePrefix) && nodeIp.equals(PoolUtils.getHostIp())) {
                        ((DBLayerInterface) rmiRegistry).updateServantNodeName(sname, nodeName);
                        break;
                    }
                }
            }

            HashMap<String, Object> attributes = new HashMap<String, Object>();
            Enumeration<Object> sysPropKeys = (Enumeration<Object>) System.getProperties().keys();
            while (sysPropKeys.hasMoreElements()) {
                String key = (String) sysPropKeys.nextElement();
                if (key.startsWith("attr.")) {
                    attributes.put(key, System.getProperty(key));
                }
            }

            ((DBLayerInterface) rmiRegistry).updateServantAttributes(sname, attributes);
        }
        //log.info("*************************$$$$$$$$$$$$");
        log.info("Servant " + sname + " instantiated successfully.");

    } catch (InvocationTargetException ite) {
        if (servantCreationListener != null) {
            PoolUtils.callBack(servantCreationListener, null,
                    new RemoteException("", ite.getTargetException()));
        }
        throw new Exception(PoolUtils.getStackTraceAsString(ite.getTargetException()));

    } catch (Exception e) {

        log.info("----------------------");
        log.info(PoolUtils.getStackTraceAsString(e));
        e.printStackTrace();
        log.error(e);

        if (servantCreationListener != null) {
            PoolUtils.callBack(servantCreationListener, null, new RemoteException("", e));
        }

        System.exit(1);
    }
}

From source file:edu.clemson.cs.nestbed.client.Client.java

public static void main(String[] args) throws Exception {
    /*//from w  ww  .j  a va  2 s  .co  m
    System.setOut(new PrintStream(new BufferedOutputStream(
              new LogOutputStream(System.class, Level.WARN)),  true));
    System.setErr(new PrintStream(new BufferedOutputStream(
              new LogOutputStream(System.class, Level.ERROR)), true));
              */

    loadProperties();

    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new RMISecurityManager());
    }

    PropertyConfigurator.configure(Client.class.getClassLoader().getResource("clientLog.conf"));

    log.info("******************************************************\n" + "** NESTbed Client Starting\n"
            + "******************************************************");
    log.info("Version:  " + Version.VERSION);

    log.debug("Class Loader:  " + Client.class.getClassLoader());
    ParentClassLoader.setParent(Client.class.getClassLoader());

    TestbedManagerFrame mainWindow = new TestbedManagerFrame();
    mainWindow.setVisible(true);
}

From source file:edu.cornell.med.icb.R.RConfigurationServer.java

public static void main(final String[] args) throws RemoteException {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }//from ww w  .  j ava2s . c o m

    final String name = "RConfiguration";
    final RConfiguration engine = new RConfigurationServer();
    final RConfiguration stub = (RConfiguration) UnicastRemoteObject.exportObject(engine, 0);
    final Registry registry = LocateRegistry.getRegistry();
    System.out.println(ArrayUtils.toString(registry.list()));
    registry.rebind(name, stub);
    System.out.println("RConfiguration bound");
}