java.lang.Object
java.security.Permission
java.security.BasicPermission
java.nio.file.LinkPermission
- All Implemented Interfaces:
Serializable,Guard
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. |
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Constructor Summary
ConstructorsConstructorDescriptionLinkPermission(String name) Constructs aLinkPermissionwith the specified name.LinkPermission(String name, String actions) Constructs aLinkPermissionwith the specified name. -
Method Summary
Methods declared in class java.security.BasicPermission
equals, getActions, hashCode, implies, newPermissionCollectionMethods declared in class java.security.Permission
checkGuard, getName, toString
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Constructor Details
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LinkPermission
Constructs aLinkPermissionwith the specified name.- Parameters:
name- the name of the permission. It must be "hard" or "symbolic".- Throws:
IllegalArgumentException- if name is empty or invalid
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LinkPermission
Constructs aLinkPermissionwith 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
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