1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext4/xattr_trusted.c
* Handler for trusted extended attributes.
*
* Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/
#include <linux/string.h>
#include <linux/capability.h>
#include <linux/fs.h>
#include "ext4_jbd2.h"
#include "ext4.h"
#include "xattr.h"
static bool
ext4_xattr_trusted_list(struct dentry *dentry)
{
return capable(CAP_SYS_ADMIN);
}
static int
ext4_xattr_trusted_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
const char *name, void *buffer, size_t size)
{
return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
name, buffer, size);
}
static int
ext4_xattr_trusted_set(const struct xattr_handler *handler,
struct mnt_idmap *idmap,
struct dentry *unused, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
{
return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED,
name, value, size, flags);
}
const struct xattr_handler ext4_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.list = ext4_xattr_trusted_list,
.get = ext4_xattr_trusted_get,
.set = ext4_xattr_trusted_set,
};
|
