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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Additions/linux/sharedfolders/vbsfmount.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/VBox/Additions/linux/sharedfolders/vbsfmount.h b/src/VBox/Additions/linux/sharedfolders/vbsfmount.h new file mode 100644 index 00000000..c14e5284 --- /dev/null +++ b/src/VBox/Additions/linux/sharedfolders/vbsfmount.h @@ -0,0 +1,90 @@ +/* $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 */ |