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
12static bool
13ext2_xattr_trusted_list(struct dentry *dentry)
14{
15	return capable(CAP_SYS_ADMIN);
16}
17
18static int
19ext2_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
27static int
28ext2_xattr_trusted_set(const struct xattr_handler *handler,
29		       struct dentry *unused, struct inode *inode,
30		       const char *name, const void *value,
31		       size_t size, int flags)
32{
33	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
34			      value, size, flags);
35}
36
37const struct xattr_handler ext2_xattr_trusted_handler = {
38	.prefix	= XATTR_TRUSTED_PREFIX,
39	.list	= ext2_xattr_trusted_list,
40	.get	= ext2_xattr_trusted_get,
41	.set	= ext2_xattr_trusted_set,
42};
43