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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66917a3130
A new event mask FAN_OPEN_EXEC_PERM has been defined. This allows users to receive events and grant access to files that are intending to be opened for execution. Events of FAN_OPEN_EXEC_PERM type will be generated when a file has been opened by using either execve(), execveat() or uselib() system calls. This acts in the same manner as previous permission event mask, meaning that an access response is required from the user application in order to permit any further operations on the file. Signed-off-by: Matthew Bobrowski <mbobrowski@mbobrowski.org> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_FANOTIFY_H
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#define _LINUX_FANOTIFY_H
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#include <uapi/linux/fanotify.h>
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#define FAN_GROUP_FLAG(group, flag) \
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((group)->fanotify_data.flags & (flag))
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/*
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* Flags allowed to be passed from/to userspace.
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*
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* We intentionally do not add new bits to the old FAN_ALL_* constants, because
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* they are uapi exposed constants. If there are programs out there using
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* these constant, the programs may break if re-compiled with new uapi headers
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* and then run on an old kernel.
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*/
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#define FANOTIFY_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \
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FAN_CLASS_PRE_CONTENT)
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#define FANOTIFY_INIT_FLAGS (FANOTIFY_CLASS_BITS | \
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FAN_REPORT_TID | \
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FAN_CLOEXEC | FAN_NONBLOCK | \
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FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS)
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#define FANOTIFY_MARK_TYPE_BITS (FAN_MARK_INODE | FAN_MARK_MOUNT | \
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FAN_MARK_FILESYSTEM)
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#define FANOTIFY_MARK_FLAGS (FANOTIFY_MARK_TYPE_BITS | \
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FAN_MARK_ADD | \
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FAN_MARK_REMOVE | \
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FAN_MARK_DONT_FOLLOW | \
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FAN_MARK_ONLYDIR | \
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FAN_MARK_IGNORED_MASK | \
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FAN_MARK_IGNORED_SURV_MODIFY | \
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FAN_MARK_FLUSH)
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/* Events that user can request to be notified on */
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#define FANOTIFY_EVENTS (FAN_ACCESS | FAN_MODIFY | \
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FAN_CLOSE | FAN_OPEN | FAN_OPEN_EXEC)
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/* Events that require a permission response from user */
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#define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM | \
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FAN_OPEN_EXEC_PERM)
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/* Extra flags that may be reported with event or control handling of events */
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#define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR)
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/* Events that may be reported to user */
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#define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \
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FANOTIFY_PERM_EVENTS | \
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FAN_Q_OVERFLOW)
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#define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \
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FANOTIFY_EVENT_FLAGS)
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/* Do not use these old uapi constants internally */
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#undef FAN_ALL_CLASS_BITS
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#undef FAN_ALL_INIT_FLAGS
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#undef FAN_ALL_MARK_FLAGS
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#undef FAN_ALL_EVENTS
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#undef FAN_ALL_PERM_EVENTS
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#undef FAN_ALL_OUTGOING_EVENTS
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#endif /* _LINUX_FANOTIFY_H */
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