1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/* $OpenBSD: fuse_private.h,v 1.11 2015/01/16 16:48:51 deraadt Exp $ */
/*
* Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _FUSE_SUBR_H_
#define _FUSE_SUBR_H_
#include <sys/dirent.h>
#include <sys/mount.h>
#include <sys/statvfs.h>
#include <sys/vnode.h>
#include <sys/fusebuf.h>
#include <limits.h>
#include "fuse.h"
struct fuse_dirhandle;
struct fuse_args;
struct fuse_vnode {
ino_t ino;
ino_t parent;
char path[NAME_MAX + 1];
struct fuse_dirhandle *fd;
SIMPLEQ_ENTRY(fuse_vnode) node; /* for dict */
};
SIMPLEQ_HEAD(fuse_vn_head, fuse_vnode);
SPLAY_HEAD(dict, dictentry);
SPLAY_HEAD(tree, treeentry);
struct fuse_session {
void *args;
};
struct fuse_chan {
char *dir;
struct fuse_args *args;
int fd;
int dead;
/* kqueue stuff */
int kq;
struct kevent event;
};
struct fuse_config {
uid_t uid;
gid_t gid;
pid_t pid;
mode_t umask;
int set_mode;
int set_uid;
int set_gid;
};
struct fuse_core_opt {
char *mp;
};
struct fuse {
struct fuse_chan *fc;
struct fuse_operations op;
int compat;
struct tree vnode_tree;
struct dict name_tree;
uint64_t max_ino;
void *private_data;
struct fuse_config conf;
struct fuse_session se;
};
#define FUSE_MAX_OPS 39
#define FUSE_ROOT_INO ((ino_t)1)
/* fuse_ops.c */
int ifuse_exec_opcode(struct fuse *, struct fusebuf *);
/* fuse_subr.c */
struct fuse_vnode *alloc_vn(struct fuse *, const char *, ino_t, ino_t);
struct fuse_vnode *get_vn_by_name_and_parent(struct fuse *, uint8_t *,
ino_t);
void remove_vnode_from_name_tree(struct fuse *,
struct fuse_vnode *);
int set_vn(struct fuse *, struct fuse_vnode *);
char *build_realname(struct fuse *, ino_t);
/* tree.c */
#define tree_init(t) SPLAY_INIT((t))
#define tree_empty(t) SPLAY_EMPTY((t))
int tree_check(struct tree *, uint64_t);
void *tree_set(struct tree *, uint64_t, void *);
void *tree_get(struct tree *, uint64_t);;
void *tree_pop(struct tree *, uint64_t);
/* dict.c */
int dict_check(struct dict *, const char *);
void *dict_set(struct dict *, const char *, void *);
void *dict_get(struct dict *, const char *);;
void *dict_pop(struct dict *, const char *);
#define FUSE_VERSION_PKG_INFO "2.8.0"
#define unused __attribute__ ((unused))
#endif /* _FUSE_SUBR_ */
|
