Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * linux/fs/ext2/xattr_trusted.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Handler for trusted extended attributes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include "ext2.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "xattr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) ext2_xattr_trusted_list(struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	return capable(CAP_SYS_ADMIN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ext2_xattr_trusted_get(const struct xattr_handler *handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		       struct dentry *unused, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		       const char *name, void *buffer, size_t size, int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 			      buffer, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ext2_xattr_trusted_set(const struct xattr_handler *handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		       struct dentry *unused, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		       const char *name, const void *value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		       size_t size, int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 			      value, size, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) const struct xattr_handler ext2_xattr_trusted_handler = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	.prefix	= XATTR_TRUSTED_PREFIX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	.list	= ext2_xattr_trusted_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	.get	= ext2_xattr_trusted_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	.set	= ext2_xattr_trusted_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };