48 строки
1.2 KiB
C
48 строки
1.2 KiB
C
/*
|
|
* JFFS2 -- Journalling Flash File System, Version 2.
|
|
*
|
|
* Copyright © 2006 NEC Corporation
|
|
*
|
|
* Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
|
|
*
|
|
* For licensing information, see the file 'LICENCE' in this directory.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/jffs2.h>
|
|
#include <linux/xattr.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include "nodelist.h"
|
|
|
|
static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
|
|
struct dentry *unused, struct inode *inode,
|
|
const char *name, void *buffer, size_t size)
|
|
{
|
|
return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
|
|
name, buffer, size);
|
|
}
|
|
|
|
static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
|
|
struct mnt_idmap *idmap,
|
|
struct dentry *unused, struct inode *inode,
|
|
const char *name, const void *buffer,
|
|
size_t size, int flags)
|
|
{
|
|
return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED,
|
|
name, buffer, size, flags);
|
|
}
|
|
|
|
static bool jffs2_trusted_listxattr(struct dentry *dentry)
|
|
{
|
|
return capable(CAP_SYS_ADMIN);
|
|
}
|
|
|
|
const struct xattr_handler jffs2_trusted_xattr_handler = {
|
|
.prefix = XATTR_TRUSTED_PREFIX,
|
|
.list = jffs2_trusted_listxattr,
|
|
.set = jffs2_trusted_setxattr,
|
|
.get = jffs2_trusted_getxattr
|
|
};
|