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/* $Id: vbsfmount.h $ */
/** @file
* vboxsf - VBox Linux Shared Folders VFS, mount(2) parameter structure.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef GA_INCLUDED_SRC_linux_sharedfolders_vbsfmount_h
#define GA_INCLUDED_SRC_linux_sharedfolders_vbsfmount_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/* Linux constraints the size of data mount argument to PAGE_SIZE - 1. */
#define MAX_HOST_NAME 256
#define MAX_NLS_NAME 32
#define VBSF_MOUNT_SIGNATURE_BYTE_0 '\377'
#define VBSF_MOUNT_SIGNATURE_BYTE_1 '\376'
#define VBSF_MOUNT_SIGNATURE_BYTE_2 '\375'
struct vbsf_mount_info_new {
/*
* The old version of the mount_info struct started with a
* char name[MAX_HOST_NAME] field, where name cannot be '\0'.
* So the new version of the mount_info struct starts with a
* nullchar field which is always 0 so that we can detect and
* reject the old structure being passed.
*/
char nullchar;
char signature[3]; /* signature */
int length; /* length of the whole structure */
char name[MAX_HOST_NAME]; /* share name */
char nls_name[MAX_NLS_NAME]; /* name of an I/O charset */
int uid; /* user ID for all entries, default 0=root */
int gid; /* group ID for all entries, default 0=root */
int ttl; /* time to live */
int dmode; /* mode for directories if != 0xffffffff */
int fmode; /* mode for regular files if != 0xffffffff */
int dmask; /* umask applied to directories */
int fmask; /* umask applied to regular files */
char tag[32]; /**< Mount tag for VBoxService automounter. @since 6.0 */
};
struct vbsf_mount_opts {
int uid;
int gid;
int ttl;
int dmode;
int fmode;
int dmask;
int fmask;
int ronly;
int sloppy;
int noexec;
int nodev;
int nosuid;
int remount;
char nls_name[MAX_NLS_NAME];
char *convertcp;
};
/** Completes the mount operation by adding the new mount point to mtab if required. */
int vbsfmount_complete(const char *host_name, const char *mount_point,
unsigned long flags, struct vbsf_mount_opts *opts);
#endif /* !GA_INCLUDED_SRC_linux_sharedfolders_vbsfmount_h */
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