Changeset 11507 in vbox for trunk/src/VBox/Additions/linux/sharedfolders/vbsfmount.h

Timestamp:

Aug 20, 2008 9:39:18 AM (17 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

35028

Message:

Linux guest additions: allow to specify dmode, fmode, umask, dmask, fmask when mounting a shared folder. Note: read/write permissions currently not checked by vboxvfs.

File:

• trunk/src/VBox/Additions/linux/sharedfolders/vbsfmount.h (modified) (1 diff)

trunk/src/VBox/Additions/linux/sharedfolders/vbsfmount.h

@@ -22 +22 @@
 #define VBFS_MOUNT_H
 
-#define MAX_HOST_NAME 256
-#define MAX_NLS_NAME 32
+#define MAX_HOST_NAME  256
+#define MAX_NLS_NAME    32
 
 /* Linux constraints the size of data mount argument to PAGE_SIZE - 1 */
-struct vbsf_mount_info {
+struct vbsf_mount_info_old
+{
     char name[MAX_HOST_NAME];
     char nls_name[MAX_NLS_NAME];
-    int uid;
-    int gid;
-    int ttl;
+    int  uid;
+    int  gid;
+    int  ttl;
+};
+
+#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
+{
+    char nullchar;              /* name cannot be '\0' -- we use this field
+                                   to distinguish between the old structure
+                                   and the new structure */
+    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 */
 };