Added in API level 26
Summary: Ctors | Inherited Methods
LinkPermission
public final class LinkPermission
extends BasicPermission
| java.lang.Object | |||
| ↳ | java.security.Permission | ||
| ↳ | java.security.BasicPermission | ||
| ↳ | java.nio.file.LinkPermission | ||
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. |
Summary
Public constructors | |
|---|---|
LinkPermission(String name) Constructs a | |
LinkPermission(String name, String actions) Constructs a | |
Inherited methods | |
|---|---|
Public constructors
LinkPermission
Added in API level 26
public LinkPermission (String name)
Constructs a LinkPermission with the specified name.
| Parameters | |
|---|---|
name | String: the name of the permission. It must be "hard" or "symbolic". |
| Throws | |
|---|---|
IllegalArgumentException | if name is empty or invalid |
LinkPermission
Added in API level 26
public LinkPermission (String name, String actions)
Constructs a LinkPermission with the specified name.
| Parameters | |
|---|---|
name | String: the name of the permission; must be "hard" or "symbolic". |
actions | String: 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 |