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hc
2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/include/uapi/linux/fanotify.h
....@@ -7,30 +7,42 @@
77 /* the following events that user-space can register for */
88 #define FAN_ACCESS		0x00000001	/* File was accessed */
99 #define FAN_MODIFY		0x00000002	/* File was modified */
10
+#define FAN_ATTRIB		0x00000004	/* Metadata changed */
1011 #define FAN_CLOSE_WRITE		0x00000008	/* Writtable file closed */
1112 #define FAN_CLOSE_NOWRITE	0x00000010	/* Unwrittable file closed */
1213 #define FAN_OPEN		0x00000020	/* File was opened */
14
+#define FAN_MOVED_FROM		0x00000040	/* File was moved from X */
15
+#define FAN_MOVED_TO		0x00000080	/* File was moved to Y */
16
+#define FAN_CREATE		0x00000100	/* Subfile was created */
17
+#define FAN_DELETE		0x00000200	/* Subfile was deleted */
18
+#define FAN_DELETE_SELF		0x00000400	/* Self was deleted */
19
+#define FAN_MOVE_SELF		0x00000800	/* Self was moved */
20
+#define FAN_OPEN_EXEC		0x00001000	/* File was opened for exec */
1321 
1422 #define FAN_Q_OVERFLOW		0x00004000	/* Event queued overflowed */
1523 
1624 #define FAN_OPEN_PERM		0x00010000	/* File open in perm check */
1725 #define FAN_ACCESS_PERM		0x00020000	/* File accessed in perm check */
26
+#define FAN_OPEN_EXEC_PERM	0x00040000	/* File open/exec in perm check */
1827 
19
-#define FAN_ONDIR		0x40000000	/* event occurred against dir */
28
+#define FAN_EVENT_ON_CHILD	0x08000000	/* Interested in child events */
2029 
21
-#define FAN_EVENT_ON_CHILD	0x08000000	/* interested in child events */
30
+#define FAN_ONDIR		0x40000000	/* Event occurred against dir */
2231 
2332 /* helper events */
2433 #define FAN_CLOSE		(FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */
34
+#define FAN_MOVE		(FAN_MOVED_FROM | FAN_MOVED_TO) /* moves */
2535 
2636 /* flags used for fanotify_init() */
2737 #define FAN_CLOEXEC		0x00000001
2838 #define FAN_NONBLOCK		0x00000002
2939 
30
-/* These are NOT bitwise flags.  Both bits are used togther.  */
40
+/* These are NOT bitwise flags.  Both bits are used together.  */
3141 #define FAN_CLASS_NOTIF		0x00000000
3242 #define FAN_CLASS_CONTENT	0x00000004
3343 #define FAN_CLASS_PRE_CONTENT	0x00000008
44
+
45
+/* Deprecated - do not use this in programs and do not add new flags here! */
3446 #define FAN_ALL_CLASS_BITS	(FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \
3547 				 FAN_CLASS_PRE_CONTENT)
3648 
....@@ -38,6 +50,16 @@
3850 #define FAN_UNLIMITED_MARKS	0x00000020
3951 #define FAN_ENABLE_AUDIT	0x00000040
4052 
53
+/* Flags to determine fanotify event format */
54
+#define FAN_REPORT_TID		0x00000100	/* event->pid is thread id */
55
+#define FAN_REPORT_FID		0x00000200	/* Report unique file id */
56
+#define FAN_REPORT_DIR_FID	0x00000400	/* Report unique directory id */
57
+#define FAN_REPORT_NAME		0x00000800	/* Report events with name */
58
+
59
+/* Convenience macro - FAN_REPORT_NAME requires FAN_REPORT_DIR_FID */
60
+#define FAN_REPORT_DFID_NAME	(FAN_REPORT_DIR_FID | FAN_REPORT_NAME)
61
+
62
+/* Deprecated - do not use this in programs and do not add new flags here! */
4163 #define FAN_ALL_INIT_FLAGS	(FAN_CLOEXEC | FAN_NONBLOCK | \
4264 				 FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE |\
4365 				 FAN_UNLIMITED_MARKS)
....@@ -47,11 +69,18 @@
4769 #define FAN_MARK_REMOVE		0x00000002
4870 #define FAN_MARK_DONT_FOLLOW	0x00000004
4971 #define FAN_MARK_ONLYDIR	0x00000008
50
-#define FAN_MARK_MOUNT		0x00000010
72
+/* FAN_MARK_MOUNT is		0x00000010 */
5173 #define FAN_MARK_IGNORED_MASK	0x00000020
5274 #define FAN_MARK_IGNORED_SURV_MODIFY	0x00000040
5375 #define FAN_MARK_FLUSH		0x00000080
76
+/* FAN_MARK_FILESYSTEM is	0x00000100 */
5477 
78
+/* These are NOT bitwise flags.  Both bits can be used togther.  */
79
+#define FAN_MARK_INODE		0x00000000
80
+#define FAN_MARK_MOUNT		0x00000010
81
+#define FAN_MARK_FILESYSTEM	0x00000100
82
+
83
+/* Deprecated - do not use this in programs and do not add new flags here! */
5584 #define FAN_ALL_MARK_FLAGS	(FAN_MARK_ADD |\
5685 				 FAN_MARK_REMOVE |\
5786 				 FAN_MARK_DONT_FOLLOW |\
....@@ -61,11 +90,7 @@
6190 				 FAN_MARK_IGNORED_SURV_MODIFY |\
6291 				 FAN_MARK_FLUSH)
6392 
64
-/*
65
- * All of the events - we build the list by hand so that we can add flags in
66
- * the future and not break backward compatibility.  Apps will get only the
67
- * events that they originally wanted.  Be sure to add new events here!
68
- */
93
+/* Deprecated - do not use this in programs and do not add new flags here! */
6994 #define FAN_ALL_EVENTS (FAN_ACCESS |\
7095 			FAN_MODIFY |\
7196 			FAN_CLOSE |\
....@@ -74,9 +99,11 @@
7499 /*
75100  * All events which require a permission response from userspace
76101  */
102
+/* Deprecated - do not use this in programs and do not add new flags here! */
77103 #define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM |\
78104 			     FAN_ACCESS_PERM)
79105 
106
+/* Deprecated - do not use this in programs and do not add new flags here! */
80107 #define FAN_ALL_OUTGOING_EVENTS	(FAN_ALL_EVENTS |\
81108 				 FAN_ALL_PERM_EVENTS |\
82109 				 FAN_Q_OVERFLOW)
....@@ -93,6 +120,34 @@
93120 	__s32 pid;
94121 };
95122 
123
+#define FAN_EVENT_INFO_TYPE_FID		1
124
+#define FAN_EVENT_INFO_TYPE_DFID_NAME	2
125
+#define FAN_EVENT_INFO_TYPE_DFID	3
126
+
127
+/* Variable length info record following event metadata */
128
+struct fanotify_event_info_header {
129
+	__u8 info_type;
130
+	__u8 pad;
131
+	__u16 len;
132
+};
133
+
134
+/*
135
+ * Unique file identifier info record.
136
+ * This structure is used for records of types FAN_EVENT_INFO_TYPE_FID,
137
+ * FAN_EVENT_INFO_TYPE_DFID and FAN_EVENT_INFO_TYPE_DFID_NAME.
138
+ * For FAN_EVENT_INFO_TYPE_DFID_NAME there is additionally a null terminated
139
+ * name immediately after the file handle.
140
+ */
141
+struct fanotify_event_info_fid {
142
+	struct fanotify_event_info_header hdr;
143
+	__kernel_fsid_t fsid;
144
+	/*
145
+	 * Following is an opaque struct file_handle that can be passed as
146
+	 * an argument to open_by_handle_at(2).
147
+	 */
148
+	unsigned char handle[0];
149
+};
150
+
96151 struct fanotify_response {
97152 	__s32 fd;
98153 	__u32 response;