Commit | Line | Data |
---|---|---|
ac27a0ec | 1 | /* |
617ba13b | 2 | * linux/fs/ext4/xattr_trusted.c |
ac27a0ec DK |
3 | * Handler for trusted extended attributes. |
4 | * | |
5 | * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org> | |
6 | */ | |
7 | ||
ac27a0ec DK |
8 | #include <linux/string.h> |
9 | #include <linux/capability.h> | |
10 | #include <linux/fs.h> | |
3dcf5451 CH |
11 | #include "ext4_jbd2.h" |
12 | #include "ext4.h" | |
ac27a0ec DK |
13 | #include "xattr.h" |
14 | ||
764a5c6b AG |
15 | static bool |
16 | ext4_xattr_trusted_list(struct dentry *dentry) | |
ac27a0ec | 17 | { |
764a5c6b | 18 | return capable(CAP_SYS_ADMIN); |
ac27a0ec DK |
19 | } |
20 | ||
21 | static int | |
d9a82a04 | 22 | ext4_xattr_trusted_get(const struct xattr_handler *handler, |
b296821a AV |
23 | struct dentry *unused, struct inode *inode, |
24 | const char *name, void *buffer, size_t size) | |
ac27a0ec | 25 | { |
b296821a | 26 | return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED, |
431547b3 | 27 | name, buffer, size); |
ac27a0ec DK |
28 | } |
29 | ||
30 | static int | |
d9a82a04 | 31 | ext4_xattr_trusted_set(const struct xattr_handler *handler, |
59301226 AV |
32 | struct dentry *unused, struct inode *inode, |
33 | const char *name, const void *value, | |
34 | size_t size, int flags) | |
ac27a0ec | 35 | { |
59301226 | 36 | return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED, |
431547b3 | 37 | name, value, size, flags); |
ac27a0ec DK |
38 | } |
39 | ||
11e27528 | 40 | const struct xattr_handler ext4_xattr_trusted_handler = { |
ac27a0ec | 41 | .prefix = XATTR_TRUSTED_PREFIX, |
617ba13b MC |
42 | .list = ext4_xattr_trusted_list, |
43 | .get = ext4_xattr_trusted_get, | |
44 | .set = ext4_xattr_trusted_set, | |
ac27a0ec | 45 | }; |