org.intellimate.izou.security

Class SecurityManager

java.lang.Object

java.lang.SecurityManager

org.intellimate.izou.security.SecurityManager

public final class SecurityManager
extends SecurityManager

The IzouSecurityManager gives permission to all entitled components of Izou to execute or access files or commands. It also blocks access to all potentially insecure actions.

Field Summary

Fields inherited from class java.lang.SecurityManager

inCheck

Method Summary

Modifier and Type	Method and Description
void	checkAccess(Thread t)
void	checkAccess(ThreadGroup g)
void	checkDelete(String file)
void	checkExec(String cmd)
void	checkExit(int status)
void	checkPackageAccess(String pkg)
void	checkPermission(Permission perm)
void	checkPropertyAccess(String key)
void	checkRead(String file)
void	checkWrite(FileDescriptor fd)
static SecurityManager	createSecurityManager(SystemMail systemMail, Main main) Creates a SecurityManager.
Optional<AddOnModel>	getAddOnModelForClassLoader() Gets the current AddOnModel, that is the AddOnModel for the class loader to which the class belongs that triggered the security manager call, or throws a IzouPermissionException
boolean	shouldCheck() performs some basic checks to determine whether to check the permission

Methods inherited from class java.lang.SecurityManager

checkAccept, checkAwtEventQueueAccess, checkConnect, checkConnect, checkCreateClassLoader, checkLink, checkListen, checkMemberAccess, checkMulticast, checkMulticast, checkPackageDefinition, checkPermission, checkPrintJobAccess, checkPropertiesAccess, checkRead, checkRead, checkSecurityAccess, checkSetFactory, checkSystemClipboardAccess, checkTopLevelWindow, checkWrite, classDepth, classLoaderDepth, currentClassLoader, currentLoadedClass, getClassContext, getInCheck, getSecurityContext, getThreadGroup, inClass, inClassLoader

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createSecurityManager

public static SecurityManager createSecurityManager(SystemMail systemMail,
                                                    Main main)
                                             throws IllegalAccessException

Creates a SecurityManager. There can only be one single SecurityManager, so calling this method twice will cause an illegal access exception.

Parameters:

systemMail - the system mail object in order to send e-mails to owner in case of emergency

main - a reference to the main instance

Returns:

a SecurityManager from Izou

Throws:

IllegalAccessException - thrown if this method is called more than once

getAddOnModelForClassLoader

public Optional<AddOnModel> getAddOnModelForClassLoader()

Gets the current AddOnModel, that is the AddOnModel for the class loader to which the class belongs that triggered the security manager call, or throws a IzouPermissionException

Returns:

AddOnModel or IzouPermissionException if the call was made from an AddOn, or null if no AddOn is responsible

Throws:

IzouPermissionException - if the AddOnModel is not found

shouldCheck

public boolean shouldCheck()

performs some basic checks to determine whether to check the permission

Returns:

true if should be checked, false if not

checkPermission

public void checkPermission(Permission perm)

Overrides:

checkPermission in class SecurityManager

checkPropertyAccess

public void checkPropertyAccess(String key)

Overrides:

checkPropertyAccess in class SecurityManager

checkExec

public void checkExec(String cmd)

Overrides:

checkExec in class SecurityManager

checkExit

public void checkExit(int status)

Overrides:

checkExit in class SecurityManager

checkDelete

public void checkDelete(String file)

Overrides:

checkDelete in class SecurityManager

checkAccess

public void checkAccess(ThreadGroup g)

Overrides:

checkAccess in class SecurityManager

checkAccess

public void checkAccess(Thread t)

Overrides:

checkAccess in class SecurityManager

checkRead

public void checkRead(String file)

Overrides:

checkRead in class SecurityManager

checkWrite

public void checkWrite(FileDescriptor fd)

Overrides:

checkWrite in class SecurityManager

checkPackageAccess

public void checkPackageAccess(String pkg)

Overrides:

checkPackageAccess in class SecurityManager