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
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