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#include <linux/reiserfs_fs.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include <linux/reiserfs_xattr.h>
#include <asm/uaccess.h>
static int
security_get(struct inode *inode, const char *name, void *buffer, size_t size)
{
if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
return -EINVAL;
if (IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_get(inode, name, buffer, size);
}
static int
security_set(struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
return -EINVAL;
if (IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_set(inode, name, buffer, size, flags);
}
static size_t security_list(struct inode *inode, char *list, size_t list_len,
const char *name, size_t namelen)
{
const size_t len = namelen + 1;
if (IS_PRIVATE(inode))
return 0;
if (list && len <= list_len) {
memcpy(list, name, namelen);
list[namelen] = '\0';
}
return len;
}
struct xattr_handler reiserfs_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.get = security_get,
.set = security_set,
.list = security_list,
};
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