mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 07:47:11 +07:00
f14fc0ccee
Pull quota, ext2, isofs and udf fixes from Jan Kara: - two small quota error handling fixes - two isofs fixes for architectures with signed char - several udf block number overflow and signedness fixes - ext2 rework of mount option handling to avoid GFP_KERNEL allocation with spinlock held - ... it also contains a patch to implement auditing of responses to fanotify permission events. That should have been in the fanotify pull request but I mistakenly merged that patch into a wrong branch and noticed only now at which point I don't think it's worth rebasing and redoing. * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: quota: be aware of error from dquot_initialize quota: fix potential infinite loop isofs: use unsigned char types consistently isofs: fix timestamps beyond 2027 udf: Fix some sign-conversion warnings udf: Fix signed/unsigned format specifiers udf: Fix 64-bit sign extension issues affecting blocks > 0x7FFFFFFF udf: Remove some outdate references from documentation udf: Avoid overflow when session starts at large offset ext2: Fix possible sleep in atomic during mount option parsing ext2: Parse mount options into a dedicated structure audit: Record fanotify access control decisions
121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _UAPI_LINUX_FANOTIFY_H
|
|
#define _UAPI_LINUX_FANOTIFY_H
|
|
|
|
#include <linux/types.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_ENABLE_AUDIT 0x00000040
|
|
|
|
#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
|
|
|
|
#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
|
|
#define FAN_AUDIT 0x10 /* Bit mask to create audit record for result */
|
|
|
|
/* 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 /* _UAPI_LINUX_FANOTIFY_H */
|