livefiles_hfs_plugin/lf_hfs_mount.h

   1 /*  Copyright © 2017-2018 Apple Inc. All rights reserved.
   2  *
   3  *  lf_hfs_mount.h
   4  *  livefiles_hfs
   5  *
   6  *  Created by Or Haimovich on 18/3/18.
   7  */
   8
   9 #ifndef lf_hfs_mount_h
  10 #define lf_hfs_mount_h
  11
  12 #include <sys/time.h>
  13
  14 /*
  15  * Arguments to mount HFS-based filesystems
  16  */
  17
  18 #define OVERRIDE_UNKNOWN_PERMISSIONS 0
  19
  20 #define UNKNOWNUID ((uid_t)99)
  21 #define UNKNOWNGID ((gid_t)99)
  22 #define UNKNOWNPERMISSIONS (S_IRWXU | S_IROTH | S_IXOTH)        /* 705 */
  23
  24 struct hfs_mount_args {
  25     char            *fspec;                 /* block special device to mount */
  26     uid_t           hfs_uid;                /* uid that owns hfs files (standard HFS only) */
  27     gid_t           hfs_gid;                /* gid that owns hfs files (standard HFS only) */
  28     mode_t          hfs_mask;               /* mask to be applied for hfs perms  (standard HFS only) */
  29     u_int32_t       hfs_encoding;           /* encoding for this volume (standard HFS only) */
  30     struct timezone hfs_timezone;           /* user time zone info (standard HFS only) */
  31     int             flags;                  /* mounting flags, see below */
  32     int             journal_tbuffer_size;   /* size in bytes of the journal transaction buffer */
  33     int             journal_flags;          /* flags to pass to journal_open/create */
  34     int             journal_disable;        /* don't use journaling (potentially dangerous) */
  35 };
  36
  37 #define HFSFSMNT_NOXONFILES     0x1    /* disable execute permissions for files */
  38 #define HFSFSMNT_WRAPPER        0x2    /* mount HFS wrapper (if it exists) */
  39 #define HFSFSMNT_EXTENDED_ARGS  0x4    /* indicates new fields after "flags" are valid */
  40
  41 /*
  42  * User specifiable flags.
  43  *
  44  * Unmount uses MNT_FORCE flag.
  45  */
  46 #define    MNT_RDONLY           0x00000001      /* read only filesystem */
  47 #define    MNT_SYNCHRONOUS      0x00000002      /* file system written synchronously */
  48 #define    MNT_NOEXEC           0x00000004      /* can't exec from filesystem */
  49 #define    MNT_NOSUID           0x00000008      /* don't honor setuid bits on fs */
  50 #define    MNT_NODEV            0x00000010      /* don't interpret special files */
  51 #define    MNT_UNION            0x00000020      /* union with underlying filesystem */
  52 #define    MNT_ASYNC            0x00000040      /* file system written asynchronously */
  53 #define    MNT_CPROTECT         0x00000080      /* file system supports content protection */
  54
  55 #define    MNT_LOCAL            0x00001000      /* filesystem is stored locally */
  56 #define    MNT_QUOTA            0x00002000      /* quotas are enabled on filesystem */
  57 #define    MNT_ROOTFS           0x00004000      /* identifies the root filesystem */
  58 #define    MNT_DOVOLFS          0x00008000      /* FS supports volfs (deprecated flag in Mac OS X 10.5) */
  59
  60 #define MNT_DONTBROWSE          0x00100000      /* file system is not appropriate path to user data */
  61 #define MNT_IGNORE_OWNERSHIP    0x00200000      /* VFS will ignore ownership information on filesystem objects */
  62 #define MNT_AUTOMOUNTED         0x00400000      /* filesystem was mounted by automounter */
  63 #define MNT_JOURNALED           0x00800000      /* filesystem is journaled */
  64 #define MNT_NOUSERXATTR         0x01000000      /* Don't allow user extended attributes */
  65 #define MNT_DEFWRITE            0x02000000      /* filesystem should defer writes */
  66 #define MNT_MULTILABEL          0x04000000      /* MAC support for individual labels */
  67 #define MNT_NOATIME             0x10000000      /* disable update of file access time */
  68 #define MNT_SNAPSHOT            0x40000000      /* The mount is a snapshot */
  69
  70
  71 #endif /* lf_hfs_mount_h */