1/*
 2 * linux/fs/ext4/xattr_trusted.c
 3 * Handler for trusted extended attributes.
 4 *
 5 * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
 6 */
 7
 8#include <linux/string.h>
 9#include <linux/capability.h>
10#include <linux/fs.h>
11#include "ext4_jbd2.h"
12#include "ext4.h"
13#include "xattr.h"
14
15static bool
16ext4_xattr_trusted_list(struct dentry *dentry)
17{
18	return capable(CAP_SYS_ADMIN);
19}
20
21static int
22ext4_xattr_trusted_get(const struct xattr_handler *handler,
23		       struct dentry *dentry, const char *name, void *buffer,
24		       size_t size)
25{
26	return ext4_xattr_get(d_inode(dentry), EXT4_XATTR_INDEX_TRUSTED,
27			      name, buffer, size);
28}
29
30static int
31ext4_xattr_trusted_set(const struct xattr_handler *handler,
32		       struct dentry *dentry, const char *name,
33		       const void *value, size_t size, int flags)
 
 
34{
35	return ext4_xattr_set(d_inode(dentry), EXT4_XATTR_INDEX_TRUSTED,
36			      name, value, size, flags);
37}
38
39const struct xattr_handler ext4_xattr_trusted_handler = {
40	.prefix	= XATTR_TRUSTED_PREFIX,
41	.list	= ext4_xattr_trusted_list,
42	.get	= ext4_xattr_trusted_get,
43	.set	= ext4_xattr_trusted_set,
44};

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * linux/fs/ext4/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 <linux/string.h>
10#include <linux/capability.h>
11#include <linux/fs.h>
12#include "ext4_jbd2.h"
13#include "ext4.h"
14#include "xattr.h"
15
16static bool
17ext4_xattr_trusted_list(struct dentry *dentry)
18{
19	return capable(CAP_SYS_ADMIN);
20}
21
22static int
23ext4_xattr_trusted_get(const struct xattr_handler *handler,
24		       struct dentry *unused, struct inode *inode,
25		       const char *name, void *buffer, size_t size)
26{
27	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
28			      name, buffer, size);
29}
30
31static int
32ext4_xattr_trusted_set(const struct xattr_handler *handler,
33		       struct mnt_idmap *idmap,
34		       struct dentry *unused, struct inode *inode,
35		       const char *name, const void *value,
36		       size_t size, int flags)
37{
38	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED,
39			      name, value, size, flags);
40}
41
42const struct xattr_handler ext4_xattr_trusted_handler = {
43	.prefix	= XATTR_TRUSTED_PREFIX,
44	.list	= ext4_xattr_trusted_list,
45	.get	= ext4_xattr_trusted_get,
46	.set	= ext4_xattr_trusted_set,
47};