NIO2 API

org.classpath.icedtea.java.nio.file
Class LinkPermission

java.lang.Object
  extended by java.security.Permission
      extended by java.security.BasicPermission
          extended by org.classpath.icedtea.java.nio.file.LinkPermission
All Implemented Interfaces:
java.io.Serializable, java.security.Guard

public final class LinkPermission
extends java.security.BasicPermission

The Permission class for link creation operations.

The following table provides a summary description of what the permission allows, and discusses the risks of granting code the permission.

Permission Target Name What the Permission Allows Risks of Allowing this Permission
hard Ability to add an existing file to a directory. This is sometimes known as creating a link, or hard link. Extreme care should be taken when granting this permission. It allows linking to any file or directory in the file system thus allowing the attacker to access to all files.
symbolic Ability to create symbolic links. Extreme care should be taken when granting this permission. It allows linking to any file or directory in the file system thus allowing the attacker to access to all files.

Since:
1.7
See Also:
Path.createLink(org.classpath.icedtea.java.nio.file.Path), Path.createSymbolicLink(org.classpath.icedtea.java.nio.file.Path, org.classpath.icedtea.java.nio.file.attribute.FileAttribute...), Serialized Form

Constructor Summary
LinkPermission(java.lang.String name)
          Constructs a LinkPermission with the specified name.
LinkPermission(java.lang.String name, java.lang.String actions)
          Constructs a LinkPermission with the specified name.
 
Method Summary
 
Methods inherited from class java.security.BasicPermission
equals, getActions, hashCode, implies, newPermissionCollection
 
Methods inherited from class java.security.Permission
checkGuard, getName, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

LinkPermission

public LinkPermission(java.lang.String name)
Constructs a LinkPermission with the specified name.

Parameters:
name - The name of the permission. It must be "hard" or "symbolic".
Throws:
java.lang.IllegalArgumentException - If name is empty or invalid.

LinkPermission

public LinkPermission(java.lang.String name,
                      java.lang.String actions)
Constructs a LinkPermission with the specified name.

Parameters:
name - The name of the permission; must be "hard" or "symbolic".
actions - The actions for the permission; must be the empty string or null
Throws:
java.lang.IllegalArgumentException - If name is empty or invalid.

NIO2 API

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