1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * linux/fs/ext2/xattr_trusted.c |
4 | * Handler for trusted extended attributes. |
5 | * |
6 | * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org> |
7 | */ |
8 | |
9 | #include "ext2.h" |
10 | #include "xattr.h" |
11 | |
12 | static bool |
13 | ext2_xattr_trusted_list(struct dentry *dentry) |
14 | { |
15 | return capable(CAP_SYS_ADMIN); |
16 | } |
17 | |
18 | static int |
19 | ext2_xattr_trusted_get(const struct xattr_handler *handler, |
20 | struct dentry *unused, struct inode *inode, |
21 | const char *name, void *buffer, size_t size) |
22 | { |
23 | return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name, |
24 | buffer, size); |
25 | } |
26 | |
27 | static int |
28 | ext2_xattr_trusted_set(const struct xattr_handler *handler, |
29 | struct mnt_idmap *idmap, |
30 | struct dentry *unused, struct inode *inode, |
31 | const char *name, const void *value, |
32 | size_t size, int flags) |
33 | { |
34 | return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name, |
35 | value, size, flags); |
36 | } |
37 | |
38 | const struct xattr_handler ext2_xattr_trusted_handler = { |
39 | .prefix = XATTR_TRUSTED_PREFIX, |
40 | .list = ext2_xattr_trusted_list, |
41 | .get = ext2_xattr_trusted_get, |
42 | .set = ext2_xattr_trusted_set, |
43 | }; |
44 | |