diff options
Diffstat (limited to 'include/linux/fanotify.h')
-rw-r--r-- | include/linux/fanotify.h | 114 |
1 files changed, 1 insertions, 113 deletions
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h index 6c6133f76e1..cef93ddcc5a 100644 --- a/include/linux/fanotify.h +++ b/include/linux/fanotify.h | |||
@@ -1,120 +1,8 @@ | |||
1 | #ifndef _LINUX_FANOTIFY_H | 1 | #ifndef _LINUX_FANOTIFY_H |
2 | #define _LINUX_FANOTIFY_H | 2 | #define _LINUX_FANOTIFY_H |
3 | 3 | ||
4 | #include <linux/types.h> | 4 | #include <uapi/linux/fanotify.h> |
5 | 5 | ||
6 | /* the following events that user-space can register for */ | ||
7 | #define FAN_ACCESS 0x00000001 /* File was accessed */ | ||
8 | #define FAN_MODIFY 0x00000002 /* File was modified */ | ||
9 | #define FAN_CLOSE_WRITE 0x00000008 /* Writtable file closed */ | ||
10 | #define FAN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */ | ||
11 | #define FAN_OPEN 0x00000020 /* File was opened */ | ||
12 | |||
13 | #define FAN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ | ||
14 | |||
15 | #define FAN_OPEN_PERM 0x00010000 /* File open in perm check */ | ||
16 | #define FAN_ACCESS_PERM 0x00020000 /* File accessed in perm check */ | ||
17 | |||
18 | #define FAN_ONDIR 0x40000000 /* event occurred against dir */ | ||
19 | |||
20 | #define FAN_EVENT_ON_CHILD 0x08000000 /* interested in child events */ | ||
21 | |||
22 | /* helper events */ | ||
23 | #define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */ | ||
24 | |||
25 | /* flags used for fanotify_init() */ | ||
26 | #define FAN_CLOEXEC 0x00000001 | ||
27 | #define FAN_NONBLOCK 0x00000002 | ||
28 | |||
29 | /* These are NOT bitwise flags. Both bits are used togther. */ | ||
30 | #define FAN_CLASS_NOTIF 0x00000000 | ||
31 | #define FAN_CLASS_CONTENT 0x00000004 | ||
32 | #define FAN_CLASS_PRE_CONTENT 0x00000008 | ||
33 | #define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \ | ||
34 | FAN_CLASS_PRE_CONTENT) | ||
35 | |||
36 | #define FAN_UNLIMITED_QUEUE 0x00000010 | ||
37 | #define FAN_UNLIMITED_MARKS 0x00000020 | ||
38 | |||
39 | #define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC | FAN_NONBLOCK | \ | ||
40 | FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE |\ | ||
41 | FAN_UNLIMITED_MARKS) | ||
42 | |||
43 | /* flags used for fanotify_modify_mark() */ | ||
44 | #define FAN_MARK_ADD 0x00000001 | ||
45 | #define FAN_MARK_REMOVE 0x00000002 | ||
46 | #define FAN_MARK_DONT_FOLLOW 0x00000004 | ||
47 | #define FAN_MARK_ONLYDIR 0x00000008 | ||
48 | #define FAN_MARK_MOUNT 0x00000010 | ||
49 | #define FAN_MARK_IGNORED_MASK 0x00000020 | ||
50 | #define FAN_MARK_IGNORED_SURV_MODIFY 0x00000040 | ||
51 | #define FAN_MARK_FLUSH 0x00000080 | ||
52 | #ifdef __KERNEL__ | ||
53 | /* not valid from userspace, only kernel internal */ | 6 | /* not valid from userspace, only kernel internal */ |
54 | #define FAN_MARK_ONDIR 0x00000100 | 7 | #define FAN_MARK_ONDIR 0x00000100 |
55 | #endif | ||
56 | |||
57 | #define FAN_ALL_MARK_FLAGS (FAN_MARK_ADD |\ | ||
58 | FAN_MARK_REMOVE |\ | ||
59 | FAN_MARK_DONT_FOLLOW |\ | ||
60 | FAN_MARK_ONLYDIR |\ | ||
61 | FAN_MARK_MOUNT |\ | ||
62 | FAN_MARK_IGNORED_MASK |\ | ||
63 | FAN_MARK_IGNORED_SURV_MODIFY |\ | ||
64 | FAN_MARK_FLUSH) | ||
65 | |||
66 | /* | ||
67 | * All of the events - we build the list by hand so that we can add flags in | ||
68 | * the future and not break backward compatibility. Apps will get only the | ||
69 | * events that they originally wanted. Be sure to add new events here! | ||
70 | */ | ||
71 | #define FAN_ALL_EVENTS (FAN_ACCESS |\ | ||
72 | FAN_MODIFY |\ | ||
73 | FAN_CLOSE |\ | ||
74 | FAN_OPEN) | ||
75 | |||
76 | /* | ||
77 | * All events which require a permission response from userspace | ||
78 | */ | ||
79 | #define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM |\ | ||
80 | FAN_ACCESS_PERM) | ||
81 | |||
82 | #define FAN_ALL_OUTGOING_EVENTS (FAN_ALL_EVENTS |\ | ||
83 | FAN_ALL_PERM_EVENTS |\ | ||
84 | FAN_Q_OVERFLOW) | ||
85 | |||
86 | #define FANOTIFY_METADATA_VERSION 3 | ||
87 | |||
88 | struct fanotify_event_metadata { | ||
89 | __u32 event_len; | ||
90 | __u8 vers; | ||
91 | __u8 reserved; | ||
92 | __u16 metadata_len; | ||
93 | __aligned_u64 mask; | ||
94 | __s32 fd; | ||
95 | __s32 pid; | ||
96 | }; | ||
97 | |||
98 | struct fanotify_response { | ||
99 | __s32 fd; | ||
100 | __u32 response; | ||
101 | }; | ||
102 | |||
103 | /* Legit userspace responses to a _PERM event */ | ||
104 | #define FAN_ALLOW 0x01 | ||
105 | #define FAN_DENY 0x02 | ||
106 | /* No fd set in event */ | ||
107 | #define FAN_NOFD -1 | ||
108 | |||
109 | /* Helper functions to deal with fanotify_event_metadata buffers */ | ||
110 | #define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata)) | ||
111 | |||
112 | #define FAN_EVENT_NEXT(meta, len) ((len) -= (meta)->event_len, \ | ||
113 | (struct fanotify_event_metadata*)(((char *)(meta)) + \ | ||
114 | (meta)->event_len)) | ||
115 | |||
116 | #define FAN_EVENT_OK(meta, len) ((long)(len) >= (long)FAN_EVENT_METADATA_LEN && \ | ||
117 | (long)(meta)->event_len >= (long)FAN_EVENT_METADATA_LEN && \ | ||
118 | (long)(meta)->event_len <= (long)(len)) | ||
119 | |||
120 | #endif /* _LINUX_FANOTIFY_H */ | 8 | #endif /* _LINUX_FANOTIFY_H */ |