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 6c6133f76e16..cef93ddcc5a0 100644 --- a/include/linux/fanotify.h +++ b/include/linux/fanotify.h @@ -1,120 +1,8 @@ #ifndef _LINUX_FANOTIFY_H #define _LINUX_FANOTIFY_H -#include <linux/types.h> +#include <uapi/linux/fanotify.h> -/* the following events that user-space can register for */ -#define FAN_ACCESS 0x00000001 /* File was accessed */ -#define FAN_MODIFY 0x00000002 /* File was modified */ -#define FAN_CLOSE_WRITE 0x00000008 /* Writtable file closed */ -#define FAN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */ -#define FAN_OPEN 0x00000020 /* File was opened */ - -#define FAN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ - -#define FAN_OPEN_PERM 0x00010000 /* File open in perm check */ -#define FAN_ACCESS_PERM 0x00020000 /* File accessed in perm check */ - -#define FAN_ONDIR 0x40000000 /* event occurred against dir */ - -#define FAN_EVENT_ON_CHILD 0x08000000 /* interested in child events */ - -/* helper events */ -#define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */ - -/* flags used for fanotify_init() */ -#define FAN_CLOEXEC 0x00000001 -#define FAN_NONBLOCK 0x00000002 - -/* These are NOT bitwise flags. Both bits are used togther. */ -#define FAN_CLASS_NOTIF 0x00000000 -#define FAN_CLASS_CONTENT 0x00000004 -#define FAN_CLASS_PRE_CONTENT 0x00000008 -#define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \ - FAN_CLASS_PRE_CONTENT) - -#define FAN_UNLIMITED_QUEUE 0x00000010 -#define FAN_UNLIMITED_MARKS 0x00000020 - -#define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC | FAN_NONBLOCK | \ - FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE |\ - FAN_UNLIMITED_MARKS) - -/* flags used for fanotify_modify_mark() */ -#define FAN_MARK_ADD 0x00000001 -#define FAN_MARK_REMOVE 0x00000002 -#define FAN_MARK_DONT_FOLLOW 0x00000004 -#define FAN_MARK_ONLYDIR 0x00000008 -#define FAN_MARK_MOUNT 0x00000010 -#define FAN_MARK_IGNORED_MASK 0x00000020 -#define FAN_MARK_IGNORED_SURV_MODIFY 0x00000040 -#define FAN_MARK_FLUSH 0x00000080 -#ifdef __KERNEL__ /* not valid from userspace, only kernel internal */ #define FAN_MARK_ONDIR 0x00000100 -#endif - -#define FAN_ALL_MARK_FLAGS (FAN_MARK_ADD |\ - FAN_MARK_REMOVE |\ - FAN_MARK_DONT_FOLLOW |\ - FAN_MARK_ONLYDIR |\ - FAN_MARK_MOUNT |\ - FAN_MARK_IGNORED_MASK |\ - FAN_MARK_IGNORED_SURV_MODIFY |\ - FAN_MARK_FLUSH) - -/* - * All of the events - we build the list by hand so that we can add flags in - * the future and not break backward compatibility. Apps will get only the - * events that they originally wanted. Be sure to add new events here! - */ -#define FAN_ALL_EVENTS (FAN_ACCESS |\ - FAN_MODIFY |\ - FAN_CLOSE |\ - FAN_OPEN) - -/* - * All events which require a permission response from userspace - */ -#define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM |\ - FAN_ACCESS_PERM) - -#define FAN_ALL_OUTGOING_EVENTS (FAN_ALL_EVENTS |\ - FAN_ALL_PERM_EVENTS |\ - FAN_Q_OVERFLOW) - -#define FANOTIFY_METADATA_VERSION 3 - -struct fanotify_event_metadata { - __u32 event_len; - __u8 vers; - __u8 reserved; - __u16 metadata_len; - __aligned_u64 mask; - __s32 fd; - __s32 pid; -}; - -struct fanotify_response { - __s32 fd; - __u32 response; -}; - -/* Legit userspace responses to a _PERM event */ -#define FAN_ALLOW 0x01 -#define FAN_DENY 0x02 -/* No fd set in event */ -#define FAN_NOFD -1 - -/* Helper functions to deal with fanotify_event_metadata buffers */ -#define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata)) - -#define FAN_EVENT_NEXT(meta, len) ((len) -= (meta)->event_len, \ - (struct fanotify_event_metadata*)(((char *)(meta)) + \ - (meta)->event_len)) - -#define FAN_EVENT_OK(meta, len) ((long)(len) >= (long)FAN_EVENT_METADATA_LEN && \ - (long)(meta)->event_len >= (long)FAN_EVENT_METADATA_LEN && \ - (long)(meta)->event_len <= (long)(len)) - #endif /* _LINUX_FANOTIFY_H */ |