Merge branch 'work.file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[linux-2.6-microblaze.git] / fs / ext2 / xattr_trusted.c
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 user_namespace *mnt_userns,
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 };