Example usage for java.lang SecurityManager SecurityManager

Introduction

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

Prototype

public SecurityManager() 

Source Link

Document

Constructs a new SecurityManager.

Usage

From source file:AuthorizedFileWriter.java

public static void main(String[] args) {
    System.setSecurityManager(new SecurityManager());
    String file = "authorized.txt";
    String fileBody = "test";
    try {// ww w. j a  v a  2 s .c  o m
        FileWriter fileWriter = new FileWriter(file);
        fileWriter.write(fileBody);
        fileWriter.close();
        System.exit(0);
    } catch (IOException ioException) {
        ioException.printStackTrace();
        System.exit(1);
    }
}

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From source file:Main.java

public static void main(String[] args) {
    System.setProperty("java.security.policy", "file:/C:/java.policy");

    SecurityManager sm = new SecurityManager();

    System.setSecurityManager(sm);

    // perform the check
    sm.checkCreateClassLoader();/*from  ww w  .j  a v a 2 s .  c o  m*/
    System.out.println("Allowed!");
}

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From source file:Main.java

public static void main(String[] args) {
    AccessControlContext acc = AccessController.getContext();

    System.setProperty("java.security.policy", "file:/C:/java.policy");

    SecurityManager sm = new SecurityManager();

    System.setSecurityManager(sm);

    // perform the check
    sm.checkConnect("www.java2s.com", 8080, acc);

    System.out.println("Allowed!");
}

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From source file:Main.java

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

    SecurityManager sm = new SecurityManager();
    System.setSecurityManager(sm);
    URL codebase = new URL("http://java.sun.com/");

    //codebase = new File("c:\\java\\").toURI().toURL();
    //codebase = new File(System.getProperty("user.home")).toURI().toURL();

    CodeSource cs = new CodeSource(codebase, (Certificate[]) null);

    PermissionCollection pcoll = Policy.getPolicy().getPermissions(cs);

    Enumeration e = pcoll.elements();
    for (; e.hasMoreElements();) {
        Permission p = (Permission) e.nextElement();
    }/*from w  w w .j  a  v a2s . c  om*/
}

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From source file:security.SecurityExample.java

public static void main(String[] args) {
    SecurityManager manager = new SecurityManager();
    SecureBean bean = getSecureBean();/* www  .  j a  v a  2s. c o m*/
    manager.login("clarence", "pwd");
    bean.writeSecureMessage();
    manager.logout();
    try {
        manager.login("bilbo", "mylittletreasure");
        bean.writeSecureMessage();
    } catch (SecurityException ex) {
        System.out.println("Exception caught: " + ex.getMessage());
    } finally {
        manager.logout();
    }
    try {
        bean.writeSecureMessage();
    } catch (SecurityException ex) {
        System.out.println("Exception caught: " + ex.getMessage());
    }
}

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From source file:client.ComputePi.java

public static void main(String args[]) {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }// ww w . j a  va  2s.  com
    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();
    }
}

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From source file:engine.ComputeEngine.java

public static void main(String[] args) {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }//from   www . ja v a  2 s.com
    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();
    }
}

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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//from w ww  .  j a  v a2  s . c  o 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();
}

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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 w w  w. j a v  a  2 s  .  c  om*/

    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");
}

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From source file:engine.Pi.java

public static void main(String args[]) {
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new SecurityManager());
        }//from  ww w .j  av a  2s . 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();
        }
    }

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