java.lang.Object
java.security.Permission
java.security.BasicPermission
java.nio.file.LinkPermission
- All Implemented Interfaces:
Serializable
,Guard
public final class LinkPermission extends 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 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. |
-
Constructor Summary
Constructors Constructor Description LinkPermission(String name)
Constructs aLinkPermission
with the specified name.LinkPermission(String name, String actions)
Constructs aLinkPermission
with the specified name. -
Method Summary
Methods declared in class java.security.BasicPermission
equals, getActions, hashCode, implies, newPermissionCollection
Methods declared in class java.security.Permission
checkGuard, getName, toString
-
Constructor Details
-
LinkPermission
Constructs aLinkPermission
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
Constructs aLinkPermission
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 ornull
- Throws:
IllegalArgumentException
- if name is empty or invalid, or actions is a non-empty string
-