1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
6 #ifndef __SHARE_CONFIG_MANAGEMENT_H__
7 #define __SHARE_CONFIG_MANAGEMENT_H__
9 #include <linux/workqueue.h>
10 #include <linux/hashtable.h>
11 #include <linux/path.h>
12 #include <linux/unicode.h>
14 struct ksmbd_share_config {
20 struct list_head veto_list;
25 struct hlist_node hlist;
26 unsigned short create_mask;
27 unsigned short directory_mask;
28 unsigned short force_create_mode;
29 unsigned short force_directory_mode;
30 unsigned short force_uid;
31 unsigned short force_gid;
34 #define KSMBD_SHARE_INVALID_UID ((__u16)-1)
35 #define KSMBD_SHARE_INVALID_GID ((__u16)-1)
37 static inline int share_config_create_mode(struct ksmbd_share_config *share,
40 if (!share->force_create_mode) {
42 return share->create_mask;
44 return posix_mode & share->create_mask;
46 return share->force_create_mode & share->create_mask;
49 static inline int share_config_directory_mode(struct ksmbd_share_config *share,
52 if (!share->force_directory_mode) {
54 return share->directory_mask;
56 return posix_mode & share->directory_mask;
59 return share->force_directory_mode & share->directory_mask;
62 static inline int test_share_config_flag(struct ksmbd_share_config *share,
65 return share->flags & flag;
68 void ksmbd_share_config_del(struct ksmbd_share_config *share);
69 void __ksmbd_share_config_put(struct ksmbd_share_config *share);
71 static inline void ksmbd_share_config_put(struct ksmbd_share_config *share)
73 if (!atomic_dec_and_test(&share->refcount))
75 __ksmbd_share_config_put(share);
78 struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um,
80 bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,
81 const char *filename);
82 #endif /* __SHARE_CONFIG_MANAGEMENT_H__ */