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add fanotify syscall wrapper and header

This commit is contained in:
rofl0r 2014-01-02 22:10:45 +01:00
parent 7e10f209fb
commit 5c81b8fe45
2 changed files with 87 additions and 0 deletions
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73
include/sys/fanotify.h Normal file
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#ifndef _FANOTIFY_H
#define _FANOTIFY_H
#ifdef __cplusplus
extern "C" {
#endif
struct fanotify_event_metadata {
unsigned event_len;
unsigned char vers;
unsigned char reserved;
unsigned short metadata_len;
unsigned long long mask
#ifdef __GNUC__
__attribute__((__aligned__(8)))
#endif
;
int fd;
int pid;
};
struct fanotify_response {
int fd;
unsigned response;
};
#define FAN_ACCESS 0x01
#define FAN_MODIFY 0x02
#define FAN_CLOSE_WRITE 0x08
#define FAN_CLOSE_NOWRITE 0x10
#define FAN_OPEN 0x20
#define FAN_Q_OVERFLOW 0x4000
#define FAN_OPEN_PERM 0x10000
#define FAN_ACCESS_PERM 0x20000
#define FAN_ONDIR 0x40000000
#define FAN_EVENT_ON_CHILD 0x08000000
#define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE)
#define FAN_CLOEXEC 0x01
#define FAN_NONBLOCK 0x02
#define FAN_CLASS_NOTIF 0
#define FAN_CLASS_CONTENT 0x04
#define FAN_CLASS_PRE_CONTENT 0x08
#define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT)
#define FAN_UNLIMITED_QUEUE 0x10
#define FAN_UNLIMITED_MARKS 0x20
#define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC | FAN_NONBLOCK | FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS)
#define FAN_MARK_ADD 0x01
#define FAN_MARK_REMOVE 0x02
#define FAN_MARK_DONT_FOLLOW 0x04
#define FAN_MARK_ONLYDIR 0x08
#define FAN_MARK_MOUNT 0x10
#define FAN_MARK_IGNORED_MASK 0x20
#define FAN_MARK_IGNORED_SURV_MODIFY 0x40
#define FAN_MARK_FLUSH 0x80
#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)
#define FAN_ALL_EVENTS (FAN_ACCESS | FAN_MODIFY | FAN_CLOSE | FAN_OPEN)
#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
#define FAN_ALLOW 0x01
#define FAN_DENY 0x02
#define FAN_NOFD -1
#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))
int fanotify_init(unsigned, unsigned);
int fanotify_mark(int, unsigned, unsigned long long, int, const char *);
#ifdef __cplusplus
}
#endif
#endif

14
src/linux/fanotify.c Normal file
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#include "syscall.h"
#include <sys/inotify.h>
int fanotify_init(unsigned flags, unsigned event_f_flags)
{
return syscall(SYS_fanotify_init, flags, event_f_flags);
}
int fanotify_mark(int fanotify_fd, unsigned flags, unsigned long long mask,
int dfd, const char *pathname)
{
return syscall(SYS_fanotify_mark, flags, __SYSCALL_LL_O(mask), dfd, pathname);
}