16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.nio.file;
27
28 import java.security.BasicPermission;
29
30 /**
31 * The {@code Permission} class for link creation operations.
32 *
33 * <p> The following table provides a summary description of what the permission
34 * allows, and discusses the risks of granting code the permission.
35 *
36 * <table border=1 cellpadding=5
37 * summary="Table shows permission target name, what the permission allows, and associated risks">
38 * <tr>
39 * <th>Permission Target Name</th>
40 * <th>What the Permission Allows</th>
41 * <th>Risks of Allowing this Permission</th>
42 * </tr>
43 * <tr>
44 * <td>hard</td>
45 * <td> Ability to add an existing file to a directory. This is sometimes
46 * known as creating a link, or hard link. </td>
47 * <td> Extreme care should be taken when granting this permission. It allows
48 * linking to any file or directory in the file system thus allowing the
49 * attacker access to all files. </td>
50 * </tr>
51 * <tr>
52 * <td>symbolic</td>
53 * <td> Ability to create symbolic links. </td>
54 * <td> Extreme care should be taken when granting this permission. It allows
55 * linking to any file or directory in the file system thus allowing the
56 * attacker to access to all files. </td>
57 * </tr>
58 * </table>
59 *
60 * @since 1.7
61 *
62 * @see Files#createLink
63 * @see Files#createSymbolicLink
64 */
65 public final class LinkPermission extends BasicPermission {
66 static final long serialVersionUID = -1441492453772213220L;
67
68 private void checkName(String name) {
69 if (!name.equals("hard") && !name.equals("symbolic")) {
70 throw new IllegalArgumentException("name: " + name);
71 }
72 }
73
74 /**
75 * Constructs a {@code LinkPermission} with the specified name.
76 *
77 * @param name
|
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.nio.file;
27
28 import java.security.BasicPermission;
29
30 /**
31 * The {@code Permission} class for link creation operations.
32 *
33 * <p> The following table provides a summary description of what the permission
34 * allows, and discusses the risks of granting code the permission.
35 *
36 * <table class="striped">
37 * <caption style="display:none">Table shows permission target name, what the permission allows, and associated risks</caption>
38 * <thead>
39 * <tr>
40 * <th>Permission Target Name</th>
41 * <th>What the Permission Allows</th>
42 * <th>Risks of Allowing this Permission</th>
43 * </tr>
44 * </thead>
45 * <tbody>
46 * <tr>
47 * <td>hard</td>
48 * <td> Ability to add an existing file to a directory. This is sometimes
49 * known as creating a link, or hard link. </td>
50 * <td> Extreme care should be taken when granting this permission. It allows
51 * linking to any file or directory in the file system thus allowing the
52 * attacker access to all files. </td>
53 * </tr>
54 * <tr>
55 * <td>symbolic</td>
56 * <td> Ability to create symbolic links. </td>
57 * <td> Extreme care should be taken when granting this permission. It allows
58 * linking to any file or directory in the file system thus allowing the
59 * attacker to access to all files. </td>
60 * </tr>
61 * </tbody>
62 * </table>
63 *
64 * @since 1.7
65 *
66 * @see Files#createLink
67 * @see Files#createSymbolicLink
68 */
69 public final class LinkPermission extends BasicPermission {
70 static final long serialVersionUID = -1441492453772213220L;
71
72 private void checkName(String name) {
73 if (!name.equals("hard") && !name.equals("symbolic")) {
74 throw new IllegalArgumentException("name: " + name);
75 }
76 }
77
78 /**
79 * Constructs a {@code LinkPermission} with the specified name.
80 *
81 * @param name
|