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b2441318 1// SPDX-License-Identifier: GPL-2.0
ac27a0ec 2/*
617ba13b 3 * linux/fs/ext4/xattr_trusted.c
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4 * Handler for trusted extended attributes.
5 *
6 * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
7 */
8
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9#include <linux/string.h>
10#include <linux/capability.h>
11#include <linux/fs.h>
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12#include "ext4_jbd2.h"
13#include "ext4.h"
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14#include "xattr.h"
15
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16static bool
17ext4_xattr_trusted_list(struct dentry *dentry)
ac27a0ec 18{
764a5c6b 19 return capable(CAP_SYS_ADMIN);
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20}
21
22static int
d9a82a04 23ext4_xattr_trusted_get(const struct xattr_handler *handler,
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24 struct dentry *unused, struct inode *inode,
25 const char *name, void *buffer, size_t size)
ac27a0ec 26{
b296821a 27 return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
431547b3 28 name, buffer, size);
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29}
30
31static int
d9a82a04 32ext4_xattr_trusted_set(const struct xattr_handler *handler,
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33 struct dentry *unused, struct inode *inode,
34 const char *name, const void *value,
35 size_t size, int flags)
ac27a0ec 36{
59301226 37 return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED,
431547b3 38 name, value, size, flags);
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39}
40
11e27528 41const struct xattr_handler ext4_xattr_trusted_handler = {
ac27a0ec 42 .prefix = XATTR_TRUSTED_PREFIX,
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43 .list = ext4_xattr_trusted_list,
44 .get = ext4_xattr_trusted_get,
45 .set = ext4_xattr_trusted_set,
ac27a0ec 46};