java.nio.file
Class LinkPermission
java.lang.Object
java.security.Permission
java.security.BasicPermission
java.nio.file.LinkPermission
- All Implemented Interfaces:
- Serializable, Guard
public final class LinkPermission
- extends BasicPermission
Disabled: no SafeJ information.
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 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(java.nio.file.Path)
,
Path.createSymbolicLink(java.nio.file.Path, java.nio.file.attribute.FileAttribute>...)
,
Serialized Form
LinkPermission
public LinkPermission(String name)
- Class is disabled.
- Constructs a
LinkPermission
with the specified name.
- Parameters:
name
- the name of the permission. It must be "hard" or "symbolic".
- Throws:
IllegalArgumentException
- if name is empty or invalid
LinkPermission
public LinkPermission(String name,
String actions)
- Class is disabled.
- 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:
IllegalArgumentException
- if name is empty or invalid, or actions is a non-empty string