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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 *unused, struct inode *inode,
24 const char *name, void *buffer, size_t size)
25{
26 return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
27 name, buffer, size);
28}
29
30static int
31ext4_xattr_trusted_set(const struct xattr_handler *handler,
32 struct dentry *unused, struct inode *inode,
33 const char *name, const void *value,
34 size_t size, int flags)
35{
36 return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED,
37 name, value, size, flags);
38}
39
40const struct xattr_handler ext4_xattr_trusted_handler = {
41 .prefix = XATTR_TRUSTED_PREFIX,
42 .list = ext4_xattr_trusted_list,
43 .get = ext4_xattr_trusted_get,
44 .set = ext4_xattr_trusted_set,
45};