1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
4 */
5
6 #ifndef __KSMBD_MISC_H__
7 #define __KSMBD_MISC_H__
8
9 #ifdef CONFIG_PROC_FS
10 #include <linux/proc_fs.h>
11 #endif
12 struct ksmbd_share_config;
13 struct nls_table;
14 struct kstat;
15 struct ksmbd_file;
16
17 int match_pattern(const char *str, size_t len, const char *pattern);
18 int ksmbd_validate_filename(char *filename);
19 int parse_stream_name(char *filename, char **stream_name, int *s_type);
20 char *convert_to_nt_pathname(struct ksmbd_share_config *share,
21 const struct path *path);
22 int get_nlink(struct kstat *st);
23 void ksmbd_conv_path_to_unix(char *path);
24 void ksmbd_strip_last_slash(char *path);
25 void ksmbd_conv_path_to_windows(char *path);
26 char *ksmbd_casefold_sharename(struct unicode_map *um, const char *name);
27 char *ksmbd_extract_sharename(struct unicode_map *um, const char *treename);
28 char *convert_to_unix_name(struct ksmbd_share_config *share, const char *name);
29
30 #define KSMBD_DIR_INFO_ALIGNMENT 8
31 struct ksmbd_dir_info;
32 char *ksmbd_convert_dir_info_name(struct ksmbd_dir_info *d_info,
33 const struct nls_table *local_nls,
34 int *conv_len);
35
36 #define NTFS_TIME_OFFSET ((u64)(369 * 365 + 89) * 24 * 3600 * 10000000)
37 struct timespec64 ksmbd_NTtimeToUnix(__le64 ntutc);
38 u64 ksmbd_UnixTimeToNT(struct timespec64 t);
39 long long ksmbd_systime(void);
40
41 #ifdef CONFIG_PROC_FS
42 struct ksmbd_const_name {
43 unsigned int const_value;
44 const char *name;
45 };
46
47 void ksmbd_proc_init(void);
48 void ksmbd_proc_cleanup(void);
49 void ksmbd_proc_reset(void);
50 struct proc_dir_entry *ksmbd_proc_create(const char *name,
51 int (*show)(struct seq_file *m, void *v),
52 void *v);
53 void ksmbd_proc_show_flag_names(struct seq_file *m,
54 const struct ksmbd_const_name *table,
55 int count,
56 unsigned int flags);
57 void ksmbd_proc_show_const_name(struct seq_file *m,
58 const char *format,
59 const struct ksmbd_const_name *table,
60 int count,
61 unsigned int const_value);
62 #else
ksmbd_proc_init(void)63 static inline void ksmbd_proc_init(void) {}
ksmbd_proc_cleanup(void)64 static inline void ksmbd_proc_cleanup(void) {}
ksmbd_proc_reset(void)65 static inline void ksmbd_proc_reset(void) {}
66 #endif
67 #endif /* __KSMBD_MISC_H__ */
68