1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/fs/ext2/xattr_trusted.c
4*4882a593Smuzhiyun * Handler for trusted extended attributes.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include "ext2.h"
10*4882a593Smuzhiyun #include "xattr.h"
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun static bool
ext2_xattr_trusted_list(struct dentry * dentry)13*4882a593Smuzhiyun ext2_xattr_trusted_list(struct dentry *dentry)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun return capable(CAP_SYS_ADMIN);
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun static int
ext2_xattr_trusted_get(const struct xattr_handler * handler,struct dentry * unused,struct inode * inode,const char * name,void * buffer,size_t size,int flags)19*4882a593Smuzhiyun ext2_xattr_trusted_get(const struct xattr_handler *handler,
20*4882a593Smuzhiyun struct dentry *unused, struct inode *inode,
21*4882a593Smuzhiyun const char *name, void *buffer, size_t size, int flags)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
24*4882a593Smuzhiyun buffer, size);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static int
ext2_xattr_trusted_set(const struct xattr_handler * handler,struct dentry * unused,struct inode * inode,const char * name,const void * value,size_t size,int flags)28*4882a593Smuzhiyun ext2_xattr_trusted_set(const struct xattr_handler *handler,
29*4882a593Smuzhiyun struct dentry *unused, struct inode *inode,
30*4882a593Smuzhiyun const char *name, const void *value,
31*4882a593Smuzhiyun size_t size, int flags)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
34*4882a593Smuzhiyun value, size, flags);
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun const struct xattr_handler ext2_xattr_trusted_handler = {
38*4882a593Smuzhiyun .prefix = XATTR_TRUSTED_PREFIX,
39*4882a593Smuzhiyun .list = ext2_xattr_trusted_list,
40*4882a593Smuzhiyun .get = ext2_xattr_trusted_get,
41*4882a593Smuzhiyun .set = ext2_xattr_trusted_set,
42*4882a593Smuzhiyun };
43