* layout.h - All NTFS associated on-disk structures. Part of the Linux-NTFS
* project.
*
- * Copyright (c) 2001-2004 Anton Altaparmakov
+ * Copyright (c) 2001-2005 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
* BIOS parameter block (bpb) structure.
*/
typedef struct {
- u16 bytes_per_sector; /* Size of a sector in bytes. */
+ le16 bytes_per_sector; /* Size of a sector in bytes. */
u8 sectors_per_cluster; /* Size of a cluster in sectors. */
- u16 reserved_sectors; /* zero */
+ le16 reserved_sectors; /* zero */
u8 fats; /* zero */
- u16 root_entries; /* zero */
- u16 sectors; /* zero */
+ le16 root_entries; /* zero */
+ le16 sectors; /* zero */
u8 media_type; /* 0xf8 = hard disk */
- u16 sectors_per_fat; /* zero */
- u16 sectors_per_track; /* irrelevant */
- u16 heads; /* irrelevant */
- u32 hidden_sectors; /* zero */
- u32 large_sectors; /* zero */
+ le16 sectors_per_fat; /* zero */
+ le16 sectors_per_track; /* irrelevant */
+ le16 heads; /* irrelevant */
+ le32 hidden_sectors; /* zero */
+ le32 large_sectors; /* zero */
} __attribute__ ((__packed__)) BIOS_PARAMETER_BLOCK;
/*
*/
typedef struct {
u8 jump[3]; /* Irrelevant (jump to boot up code).*/
- u64 oem_id; /* Magic "NTFS ". */
+ le64 oem_id; /* Magic "NTFS ". */
BIOS_PARAMETER_BLOCK bpb; /* See BIOS_PARAMETER_BLOCK. */
u8 unused[4]; /* zero, NTFS diskedit.exe states that
this is actually:
// 0x80
__u8 unused; // zero
*/
-/*0x28*/s64 number_of_sectors; /* Number of sectors in volume. Gives
+/*0x28*/sle64 number_of_sectors; /* Number of sectors in volume. Gives
maximum volume size of 2^63 sectors.
Assuming standard sector size of 512
bytes, the maximum byte size is
approx. 4.7x10^21 bytes. (-; */
- s64 mft_lcn; /* Cluster location of mft data. */
- s64 mftmirr_lcn; /* Cluster location of copy of mft. */
+ sle64 mft_lcn; /* Cluster location of mft data. */
+ sle64 mftmirr_lcn; /* Cluster location of copy of mft. */
s8 clusters_per_mft_record; /* Mft record size in clusters. */
u8 reserved0[3]; /* zero */
s8 clusters_per_index_record; /* Index block size in clusters. */
u8 reserved1[3]; /* zero */
- u64 volume_serial_number; /* Irrelevant (serial number). */
- u32 checksum; /* Boot sector checksum. */
+ le64 volume_serial_number; /* Irrelevant (serial number). */
+ le32 checksum; /* Boot sector checksum. */
/*0x54*/u8 bootstrap[426]; /* Irrelevant (boot up code). */
- u16 end_of_sector_marker; /* End of bootsector magic. Always is
+ le16 end_of_sector_marker; /* End of bootsector magic. Always is
0xaa55 in little endian. */
/* sizeof() = 512 (0x200) bytes */
} __attribute__ ((__packed__)) NTFS_BOOT_SECTOR;
* Magic identifiers present at the beginning of all ntfs record containing
* records (like mft records for example).
*/
-typedef enum {
+enum {
/* Found in $MFT/$DATA. */
magic_FILE = const_cpu_to_le32(0x454c4946), /* Mft entry. */
magic_INDX = const_cpu_to_le32(0x58444e49), /* Index buffer. */
magic_RCRD = const_cpu_to_le32(0x44524352), /* Log record page. */
/* Found in $LogFile/$DATA. (May be found in $MFT/$DATA, also?) */
- magic_CHKD = const_cpu_to_le32(0x424b4843), /* Modified by chkdsk. */
+ magic_CHKD = const_cpu_to_le32(0x444b4843), /* Modified by chkdsk. */
/* Found in all ntfs record containing records. */
magic_BAAD = const_cpu_to_le32(0x44414142), /* Failed multi sector
transfer was detected. */
-
/*
- * Found in $LogFile/$DATA when a page is full or 0xff bytes and is
- * thus not initialized. User has to initialize the page before using
- * it.
+ * Found in $LogFile/$DATA when a page is full of 0xff bytes and is
+ * thus not initialized. Page must be initialized before using it.
*/
- magic_empty = const_cpu_to_le32(0xffffffff),/* Record is empty and has
- to be initialized before
- it can be used. */
-} NTFS_RECORD_TYPES;
+ magic_empty = const_cpu_to_le32(0xffffffff) /* Record is empty. */
+};
+
+typedef le32 NTFS_RECORD_TYPE;
/*
* Generic magic comparison macros. Finally found a use for the ## preprocessor
* operator! (-8
*/
-#define ntfs_is_magic(x, m) ( (u32)(x) == magic_##m )
-#define ntfs_is_magicp(p, m) ( *(u32*)(p) == magic_##m )
+
+static inline BOOL __ntfs_is_magic(le32 x, NTFS_RECORD_TYPE r)
+{
+ return (x == r);
+}
+#define ntfs_is_magic(x, m) __ntfs_is_magic(x, magic_##m)
+
+static inline BOOL __ntfs_is_magicp(le32 *p, NTFS_RECORD_TYPE r)
+{
+ return (*p == r);
+}
+#define ntfs_is_magicp(p, m) __ntfs_is_magicp(p, magic_##m)
/*
- * Specialised magic comparison macros for the NTFS_RECORD_TYPES defined above.
+ * Specialised magic comparison macros for the NTFS_RECORD_TYPEs defined above.
*/
-#define ntfs_is_file_record(x) ( ntfs_is_magic (x, FILE) )
-#define ntfs_is_file_recordp(p) ( ntfs_is_magicp(p, FILE) )
-#define ntfs_is_mft_record(x) ( ntfs_is_file_record(x) )
-#define ntfs_is_mft_recordp(p) ( ntfs_is_file_recordp(p) )
-#define ntfs_is_indx_record(x) ( ntfs_is_magic (x, INDX) )
-#define ntfs_is_indx_recordp(p) ( ntfs_is_magicp(p, INDX) )
-#define ntfs_is_hole_record(x) ( ntfs_is_magic (x, HOLE) )
-#define ntfs_is_hole_recordp(p) ( ntfs_is_magicp(p, HOLE) )
+#define ntfs_is_file_record(x) ( ntfs_is_magic (x, FILE) )
+#define ntfs_is_file_recordp(p) ( ntfs_is_magicp(p, FILE) )
+#define ntfs_is_mft_record(x) ( ntfs_is_file_record (x) )
+#define ntfs_is_mft_recordp(p) ( ntfs_is_file_recordp(p) )
+#define ntfs_is_indx_record(x) ( ntfs_is_magic (x, INDX) )
+#define ntfs_is_indx_recordp(p) ( ntfs_is_magicp(p, INDX) )
+#define ntfs_is_hole_record(x) ( ntfs_is_magic (x, HOLE) )
+#define ntfs_is_hole_recordp(p) ( ntfs_is_magicp(p, HOLE) )
-#define ntfs_is_rstr_record(x) ( ntfs_is_magic (x, RSTR) )
-#define ntfs_is_rstr_recordp(p) ( ntfs_is_magicp(p, RSTR) )
-#define ntfs_is_rcrd_record(x) ( ntfs_is_magic (x, RCRD) )
-#define ntfs_is_rcrd_recordp(p) ( ntfs_is_magicp(p, RCRD) )
+#define ntfs_is_rstr_record(x) ( ntfs_is_magic (x, RSTR) )
+#define ntfs_is_rstr_recordp(p) ( ntfs_is_magicp(p, RSTR) )
+#define ntfs_is_rcrd_record(x) ( ntfs_is_magic (x, RCRD) )
+#define ntfs_is_rcrd_recordp(p) ( ntfs_is_magicp(p, RCRD) )
-#define ntfs_is_chkd_record(x) ( ntfs_is_magic (x, CHKD) )
-#define ntfs_is_chkd_recordp(p) ( ntfs_is_magicp(p, CHKD) )
+#define ntfs_is_chkd_record(x) ( ntfs_is_magic (x, CHKD) )
+#define ntfs_is_chkd_recordp(p) ( ntfs_is_magicp(p, CHKD) )
-#define ntfs_is_baad_record(x) ( ntfs_is_magic (x, BAAD) )
-#define ntfs_is_baad_recordp(p) ( ntfs_is_magicp(p, BAAD) )
+#define ntfs_is_baad_record(x) ( ntfs_is_magic (x, BAAD) )
+#define ntfs_is_baad_recordp(p) ( ntfs_is_magicp(p, BAAD) )
#define ntfs_is_empty_record(x) ( ntfs_is_magic (x, empty) )
#define ntfs_is_empty_recordp(p) ( ntfs_is_magicp(p, empty) )
/*
- * The Update Sequence Array (usa) is an array of the u16 values which belong
+ * The Update Sequence Array (usa) is an array of the le16 values which belong
* to the end of each sector protected by the update sequence record in which
* this array is contained. Note that the first entry is the Update Sequence
* Number (usn), a cyclic counter of how many times the protected record has
* been written to disk. The values 0 and -1 (ie. 0xffff) are not used. All
- * last u16's of each sector have to be equal to the usn (during reading) or
+ * last le16's of each sector have to be equal to the usn (during reading) or
* are set to it (during writing). If they are not, an incomplete multi sector
* transfer has occurred when the data was written.
* The maximum size for the update sequence array is fixed to:
* maximum size = usa_ofs + (usa_count * 2) = 510 bytes
- * The 510 bytes comes from the fact that the last u16 in the array has to
- * (obviously) finish before the last u16 of the first 512-byte sector.
+ * The 510 bytes comes from the fact that the last le16 in the array has to
+ * (obviously) finish before the last le16 of the first 512-byte sector.
* This formula can be used as a consistency check in that usa_ofs +
* (usa_count * 2) has to be less than or equal to 510.
*/
typedef struct {
- NTFS_RECORD_TYPES magic; /* A four-byte magic identifying the
- record type and/or status. */
- u16 usa_ofs; /* Offset to the Update Sequence Array (usa)
+ NTFS_RECORD_TYPE magic; /* A four-byte magic identifying the record
+ type and/or status. */
+ le16 usa_ofs; /* Offset to the Update Sequence Array (usa)
from the start of the ntfs record. */
- u16 usa_count; /* Number of u16 sized entries in the usa
+ le16 usa_count; /* Number of le16 sized entries in the usa
including the Update Sequence Number (usn),
thus the number of fixups is the usa_count
minus 1. */
* These are the so far known MFT_RECORD_* flags (16-bit) which contain
* information about the mft record in which they are present.
*/
-typedef enum {
+enum {
MFT_RECORD_IN_USE = const_cpu_to_le16(0x0001),
- MFT_RECORD_IS_DIRECTORY = const_cpu_to_le16(0x0002),
- MFT_REC_SPACE_FILLER = 0xffff /* Just to make flags 16-bit. */
-} __attribute__ ((__packed__)) MFT_RECORD_FLAGS;
+ MFT_RECORD_IS_DIRECTORY = const_cpu_to_le16(0x0002),
+} __attribute__ ((__packed__));
+
+typedef le16 MFT_RECORD_FLAGS;
/*
* mft references (aka file references or file record segment references) are
* The _LE versions are to be applied on little endian MFT_REFs.
* Note: The _LE versions will return a CPU endian formatted value!
*/
-typedef enum {
- MFT_REF_MASK_CPU = 0x0000ffffffffffffULL,
- MFT_REF_MASK_LE = const_cpu_to_le64(0x0000ffffffffffffULL),
-} MFT_REF_CONSTS;
+#define MFT_REF_MASK_CPU 0x0000ffffffffffffULL
+#define MFT_REF_MASK_LE const_cpu_to_le64(MFT_REF_MASK_CPU)
typedef u64 MFT_REF;
+typedef le64 leMFT_REF;
+
+#define MK_MREF(m, s) ((MFT_REF)(((MFT_REF)(s) << 48) | \
+ ((MFT_REF)(m) & MFT_REF_MASK_CPU)))
+#define MK_LE_MREF(m, s) cpu_to_le64(MK_MREF(m, s))
#define MREF(x) ((unsigned long)((x) & MFT_REF_MASK_CPU))
#define MSEQNO(x) ((u16)(((x) >> 48) & 0xffff))
typedef struct {
/*Ofs*/
/* 0 NTFS_RECORD; -- Unfolded here as gcc doesn't like unnamed structs. */
- NTFS_RECORD_TYPES magic;/* Usually the magic is "FILE". */
- u16 usa_ofs; /* See NTFS_RECORD definition above. */
- u16 usa_count; /* See NTFS_RECORD definition above. */
+ NTFS_RECORD_TYPE magic; /* Usually the magic is "FILE". */
+ le16 usa_ofs; /* See NTFS_RECORD definition above. */
+ le16 usa_count; /* See NTFS_RECORD definition above. */
-/* 8*/ u64 lsn; /* $LogFile sequence number for this record.
+/* 8*/ le64 lsn; /* $LogFile sequence number for this record.
Changed every time the record is modified. */
-/* 16*/ u16 sequence_number; /* Number of times this mft record has been
+/* 16*/ le16 sequence_number; /* Number of times this mft record has been
reused. (See description for MFT_REF
above.) NOTE: The increment (skipping zero)
is done when the file is deleted. NOTE: If
this is zero it is left zero. */
-/* 18*/ u16 link_count; /* Number of hard links, i.e. the number of
+/* 18*/ le16 link_count; /* Number of hard links, i.e. the number of
directory entries referencing this record.
NOTE: Only used in mft base records.
NOTE: When deleting a directory entry we
directory entry from the mft record and
decrement the link_count.
FIXME: Careful with Win32 + DOS names! */
-/* 20*/ u16 attrs_offset; /* Byte offset to the first attribute in this
+/* 20*/ le16 attrs_offset; /* Byte offset to the first attribute in this
mft record from the start of the mft record.
NOTE: Must be aligned to 8-byte boundary. */
/* 22*/ MFT_RECORD_FLAGS flags; /* Bit array of MFT_RECORD_FLAGS. When a file
is deleted, the MFT_RECORD_IN_USE flag is
set to zero. */
-/* 24*/ u32 bytes_in_use; /* Number of bytes used in this mft record.
+/* 24*/ le32 bytes_in_use; /* Number of bytes used in this mft record.
NOTE: Must be aligned to 8-byte boundary. */
-/* 28*/ u32 bytes_allocated; /* Number of bytes allocated for this mft
+/* 28*/ le32 bytes_allocated; /* Number of bytes allocated for this mft
record. This should be equal to the mft
record size. */
-/* 32*/ MFT_REF base_mft_record; /* This is zero for base mft records.
+/* 32*/ leMFT_REF base_mft_record;/* This is zero for base mft records.
When it is not zero it is a mft reference
pointing to the base mft record to which
this record belongs (this is then used to
attribute list also means finding the other
potential extents, belonging to the non-base
mft record). */
-/* 40*/ u16 next_attr_instance; /* The instance number that will be
- assigned to the next attribute added to this
- mft record. NOTE: Incremented each time
- after it is used. NOTE: Every time the mft
- record is reused this number is set to zero.
- NOTE: The first instance number is always 0.
- */
-/* sizeof() = 42 bytes */
-/* NTFS 3.1+ (Windows XP and above) introduce the following additions. */
-/* 42*/ //u16 reserved; /* Reserved/alignment. */
-/* 44*/ //u32 mft_record_number;/* Number of this mft record. */
+/* 40*/ le16 next_attr_instance;/* The instance number that will be assigned to
+ the next attribute added to this mft record.
+ NOTE: Incremented each time after it is used.
+ NOTE: Every time the mft record is reused
+ this number is set to zero. NOTE: The first
+ instance number is always 0. */
+/* The below fields are specific to NTFS 3.1+ (Windows XP and above): */
+/* 42*/ le16 reserved; /* Reserved/alignment. */
+/* 44*/ le32 mft_record_number; /* Number of this mft record. */
/* sizeof() = 48 bytes */
/*
* When (re)using the mft record, we place the update sequence array at this
- * offset, i.e. before we start with the attributes. This also makes sense,
+ * offset, i.e. before we start with the attributes. This also makes sense,
* otherwise we could run into problems with the update sequence array
* containing in itself the last two bytes of a sector which would mean that
- * multi sector transfer protection wouldn't work. As you can't protect data
+ * multi sector transfer protection wouldn't work. As you can't protect data
* by overwriting it since you then can't get it back...
* When reading we obviously use the data from the ntfs record header.
*/
} __attribute__ ((__packed__)) MFT_RECORD;
+/* This is the version without the NTFS 3.1+ specific fields. */
+typedef struct {
+/*Ofs*/
+/* 0 NTFS_RECORD; -- Unfolded here as gcc doesn't like unnamed structs. */
+ NTFS_RECORD_TYPE magic; /* Usually the magic is "FILE". */
+ le16 usa_ofs; /* See NTFS_RECORD definition above. */
+ le16 usa_count; /* See NTFS_RECORD definition above. */
+
+/* 8*/ le64 lsn; /* $LogFile sequence number for this record.
+ Changed every time the record is modified. */
+/* 16*/ le16 sequence_number; /* Number of times this mft record has been
+ reused. (See description for MFT_REF
+ above.) NOTE: The increment (skipping zero)
+ is done when the file is deleted. NOTE: If
+ this is zero it is left zero. */
+/* 18*/ le16 link_count; /* Number of hard links, i.e. the number of
+ directory entries referencing this record.
+ NOTE: Only used in mft base records.
+ NOTE: When deleting a directory entry we
+ check the link_count and if it is 1 we
+ delete the file. Otherwise we delete the
+ FILE_NAME_ATTR being referenced by the
+ directory entry from the mft record and
+ decrement the link_count.
+ FIXME: Careful with Win32 + DOS names! */
+/* 20*/ le16 attrs_offset; /* Byte offset to the first attribute in this
+ mft record from the start of the mft record.
+ NOTE: Must be aligned to 8-byte boundary. */
+/* 22*/ MFT_RECORD_FLAGS flags; /* Bit array of MFT_RECORD_FLAGS. When a file
+ is deleted, the MFT_RECORD_IN_USE flag is
+ set to zero. */
+/* 24*/ le32 bytes_in_use; /* Number of bytes used in this mft record.
+ NOTE: Must be aligned to 8-byte boundary. */
+/* 28*/ le32 bytes_allocated; /* Number of bytes allocated for this mft
+ record. This should be equal to the mft
+ record size. */
+/* 32*/ leMFT_REF base_mft_record;/* This is zero for base mft records.
+ When it is not zero it is a mft reference
+ pointing to the base mft record to which
+ this record belongs (this is then used to
+ locate the attribute list attribute present
+ in the base record which describes this
+ extension record and hence might need
+ modification when the extension record
+ itself is modified, also locating the
+ attribute list also means finding the other
+ potential extents, belonging to the non-base
+ mft record). */
+/* 40*/ le16 next_attr_instance;/* The instance number that will be assigned to
+ the next attribute added to this mft record.
+ NOTE: Incremented each time after it is used.
+ NOTE: Every time the mft record is reused
+ this number is set to zero. NOTE: The first
+ instance number is always 0. */
+/* sizeof() = 42 bytes */
+/*
+ * When (re)using the mft record, we place the update sequence array at this
+ * offset, i.e. before we start with the attributes. This also makes sense,
+ * otherwise we could run into problems with the update sequence array
+ * containing in itself the last two bytes of a sector which would mean that
+ * multi sector transfer protection wouldn't work. As you can't protect data
+ * by overwriting it since you then can't get it back...
+ * When reading we obviously use the data from the ntfs record header.
+ */
+} __attribute__ ((__packed__)) MFT_RECORD_OLD;
+
/*
- * System defined attributes (32-bit). Each attribute type has a corresponding
+ * System defined attributes (32-bit). Each attribute type has a corresponding
* attribute name (Unicode string of maximum 64 character length) as described
* by the attribute definitions present in the data attribute of the $AttrDef
- * system file. On NTFS 3.0 volumes the names are just as the types are named
- * in the below enum exchanging AT_ for the dollar sign ($). If that isn't a
- * revealing choice of symbol... (-;
+ * system file. On NTFS 3.0 volumes the names are just as the types are named
+ * in the below defines exchanging AT_ for the dollar sign ($). If that is not
+ * a revealing choice of symbol I do not know what is... (-;
*/
-typedef enum {
- AT_UNUSED = const_cpu_to_le32( 0),
+enum {
+ AT_UNUSED = const_cpu_to_le32( 0),
AT_STANDARD_INFORMATION = const_cpu_to_le32( 0x10),
AT_ATTRIBUTE_LIST = const_cpu_to_le32( 0x20),
AT_FILE_NAME = const_cpu_to_le32( 0x30),
AT_PROPERTY_SET = const_cpu_to_le32( 0xf0),
AT_LOGGED_UTILITY_STREAM = const_cpu_to_le32( 0x100),
AT_FIRST_USER_DEFINED_ATTRIBUTE = const_cpu_to_le32( 0x1000),
- AT_END = const_cpu_to_le32(0xffffffff),
-} ATTR_TYPES;
+ AT_END = const_cpu_to_le32(0xffffffff)
+};
+
+typedef le32 ATTR_TYPE;
/*
* The collation rules for sorting views/indexes/etc (32-bit).
*
+ * COLLATION_BINARY - Collate by binary compare where the first byte is most
+ * significant.
* COLLATION_UNICODE_STRING - Collate Unicode strings by comparing their binary
* Unicode values, except that when a character can be uppercased, the
* upper case value collates before the lower case one.
* unistr.c::ntfs_collate_names() and unistr.c::legal_ansi_char_array[]
* for what I mean but COLLATION_UNICODE_STRING would not give any special
* treatment to any characters at all, but this is speculation.
- * COLLATION_NTOFS_ULONG - Sorting is done according to ascending u32 key
+ * COLLATION_NTOFS_ULONG - Sorting is done according to ascending le32 key
* values. E.g. used for $SII index in FILE_Secure, which sorts by
- * security_id (u32).
+ * security_id (le32).
* COLLATION_NTOFS_SID - Sorting is done according to ascending SID values.
* E.g. used for $O index in FILE_Extend/$Quota.
* COLLATION_NTOFS_SECURITY_HASH - Sorting is done first by ascending hash
* values and second by ascending security_id values. E.g. used for $SDH
* index in FILE_Secure.
* COLLATION_NTOFS_ULONGS - Sorting is done according to a sequence of ascending
- * u32 key values. E.g. used for $O index in FILE_Extend/$ObjId, which
+ * le32 key values. E.g. used for $O index in FILE_Extend/$ObjId, which
* sorts by object_id (16-byte), by splitting up the object_id in four
- * u32 values and using them as individual keys. E.g. take the following
+ * le32 values and using them as individual keys. E.g. take the following
* two security_ids, stored as follows on disk:
* 1st: a1 61 65 b7 65 7b d4 11 9e 3d 00 e0 81 10 42 59
* 2nd: 38 14 37 d2 d2 f3 d4 11 a5 21 c8 6b 79 b1 97 45
- * To compare them, they are split into four u32 values each, like so:
+ * To compare them, they are split into four le32 values each, like so:
* 1st: 0xb76561a1 0x11d47b65 0xe0003d9e 0x59421081
* 2nd: 0xd2371438 0x11d4f3d2 0x6bc821a5 0x4597b179
* Now, it is apparent why the 2nd object_id collates after the 1st: the
- * first u32 value of the 1st object_id is less than the first u32 of
- * the 2nd object_id. If the first u32 values of both object_ids were
- * equal then the second u32 values would be compared, etc.
+ * first le32 value of the 1st object_id is less than the first le32 of
+ * the 2nd object_id. If the first le32 values of both object_ids were
+ * equal then the second le32 values would be compared, etc.
*/
-typedef enum {
- COLLATION_BINARY = const_cpu_to_le32(0), /* Collate by binary
- compare where the first byte is most
- significant. */
- COLLATION_FILE_NAME = const_cpu_to_le32(1), /* Collate file names
- as Unicode strings. */
- COLLATION_UNICODE_STRING = const_cpu_to_le32(2), /* Collate Unicode
- strings by comparing their binary
- Unicode values, except that when a
- character can be uppercased, the upper
- case value collates before the lower
- case one. */
- COLLATION_NTOFS_ULONG = const_cpu_to_le32(16),
- COLLATION_NTOFS_SID = const_cpu_to_le32(17),
- COLLATION_NTOFS_SECURITY_HASH = const_cpu_to_le32(18),
- COLLATION_NTOFS_ULONGS = const_cpu_to_le32(19),
-} COLLATION_RULES;
+enum {
+ COLLATION_BINARY = const_cpu_to_le32(0x00),
+ COLLATION_FILE_NAME = const_cpu_to_le32(0x01),
+ COLLATION_UNICODE_STRING = const_cpu_to_le32(0x02),
+ COLLATION_NTOFS_ULONG = const_cpu_to_le32(0x10),
+ COLLATION_NTOFS_SID = const_cpu_to_le32(0x11),
+ COLLATION_NTOFS_SECURITY_HASH = const_cpu_to_le32(0x12),
+ COLLATION_NTOFS_ULONGS = const_cpu_to_le32(0x13),
+};
+
+typedef le32 COLLATION_RULE;
/*
* The flags (32-bit) describing attribute properties in the attribute
- * definition structure. FIXME: This information is from Regis's information
- * and, according to him, it is not certain and probably incomplete.
- * The INDEXABLE flag is fairly certainly correct as only the file name
- * attribute has this flag set and this is the only attribute indexed in NT4.
- */
-typedef enum {
- INDEXABLE = const_cpu_to_le32(0x02), /* Attribute can be
- indexed. */
- NEED_TO_REGENERATE = const_cpu_to_le32(0x40), /* Need to regenerate
- during regeneration
- phase. */
- CAN_BE_NON_RESIDENT = const_cpu_to_le32(0x80), /* Attribute can be
- non-resident. */
-} ATTR_DEF_FLAGS;
+ * definition structure. FIXME: This information is based on Regis's
+ * information and, according to him, it is not certain and probably
+ * incomplete. The INDEXABLE flag is fairly certainly correct as only the file
+ * name attribute has this flag set and this is the only attribute indexed in
+ * NT4.
+ */
+enum {
+ ATTR_DEF_INDEXABLE = const_cpu_to_le32(0x02), /* Attribute can be
+ indexed. */
+ ATTR_DEF_MULTIPLE = const_cpu_to_le32(0x04), /* Attribute type
+ can be present multiple times in the
+ mft records of an inode. */
+ ATTR_DEF_NOT_ZERO = const_cpu_to_le32(0x08), /* Attribute value
+ must contain at least one non-zero
+ byte. */
+ ATTR_DEF_INDEXED_UNIQUE = const_cpu_to_le32(0x10), /* Attribute must be
+ indexed and the attribute value must be
+ unique for the attribute type in all of
+ the mft records of an inode. */
+ ATTR_DEF_NAMED_UNIQUE = const_cpu_to_le32(0x20), /* Attribute must be
+ named and the name must be unique for
+ the attribute type in all of the mft
+ records of an inode. */
+ ATTR_DEF_RESIDENT = const_cpu_to_le32(0x40), /* Attribute must be
+ resident. */
+ ATTR_DEF_ALWAYS_LOG = const_cpu_to_le32(0x80), /* Always log
+ modifications to this attribute,
+ regardless of whether it is resident or
+ non-resident. Without this, only log
+ modifications if the attribute is
+ resident. */
+};
+
+typedef le32 ATTR_DEF_FLAGS;
/*
* The data attribute of FILE_AttrDef contains a sequence of attribute
/*hex ofs*/
/* 0*/ ntfschar name[0x40]; /* Unicode name of the attribute. Zero
terminated. */
-/* 80*/ ATTR_TYPES type; /* Type of the attribute. */
-/* 84*/ u32 display_rule; /* Default display rule.
+/* 80*/ ATTR_TYPE type; /* Type of the attribute. */
+/* 84*/ le32 display_rule; /* Default display rule.
FIXME: What does it mean? (AIA) */
-/* 88*/ COLLATION_RULES collation_rule; /* Default collation rule. */
+/* 88*/ COLLATION_RULE collation_rule; /* Default collation rule. */
/* 8c*/ ATTR_DEF_FLAGS flags; /* Flags describing the attribute. */
-/* 90*/ u64 min_size; /* Optional minimum attribute size. */
-/* 98*/ u64 max_size; /* Maximum size of attribute. */
+/* 90*/ sle64 min_size; /* Optional minimum attribute size. */
+/* 98*/ sle64 max_size; /* Maximum size of attribute. */
/* sizeof() = 0xa0 or 160 bytes */
} __attribute__ ((__packed__)) ATTR_DEF;
/*
* Attribute flags (16-bit).
*/
-typedef enum {
- ATTR_IS_COMPRESSED = const_cpu_to_le16(0x0001),
- ATTR_COMPRESSION_MASK = const_cpu_to_le16(0x00ff), /* Compression
- method mask. Also, first
- illegal value. */
- ATTR_IS_ENCRYPTED = const_cpu_to_le16(0x4000),
- ATTR_IS_SPARSE = const_cpu_to_le16(0x8000),
-} __attribute__ ((__packed__)) ATTR_FLAGS;
+enum {
+ ATTR_IS_COMPRESSED = const_cpu_to_le16(0x0001),
+ ATTR_COMPRESSION_MASK = const_cpu_to_le16(0x00ff), /* Compression method
+ mask. Also, first
+ illegal value. */
+ ATTR_IS_ENCRYPTED = const_cpu_to_le16(0x4000),
+ ATTR_IS_SPARSE = const_cpu_to_le16(0x8000),
+} __attribute__ ((__packed__));
+
+typedef le16 ATTR_FLAGS;
/*
* Attribute compression.
* can be stored:
*
* 1) The data in the block is all zero (a sparse block):
- * This is stored as a sparse block in the run list, i.e. the run list
+ * This is stored as a sparse block in the runlist, i.e. the runlist
* entry has length = X and lcn = -1. The mapping pairs array actually
* uses a delta_lcn value length of 0, i.e. delta_lcn is not present at
* all, which is then interpreted by the driver as lcn = -1.
* in clusters. I.e. if compression has a small effect so that the
* compressed data still occupies X clusters, then the uncompressed data
* is stored in the block.
- * This case is recognised by the fact that the run list entry has
+ * This case is recognised by the fact that the runlist entry has
* length = X and lcn >= 0. The mapping pairs array stores this as
* normal with a run length of X and some specific delta_lcn, i.e.
* delta_lcn has to be present.
* The common case. This case is recognised by the fact that the run
* list entry has length L < X and lcn >= 0. The mapping pairs array
* stores this as normal with a run length of X and some specific
- * delta_lcn, i.e. delta_lcn has to be present. This run list entry is
+ * delta_lcn, i.e. delta_lcn has to be present. This runlist entry is
* immediately followed by a sparse entry with length = X - L and
* lcn = -1. The latter entry is to make up the vcn counting to the
* full compression block size X.
* In fact, life is more complicated because adjacent entries of the same type
* can be coalesced. This means that one has to keep track of the number of
* clusters handled and work on a basis of X clusters at a time being one
- * block. An example: if length L > X this means that this particular run list
+ * block. An example: if length L > X this means that this particular runlist
* entry contains a block of length X and part of one or more blocks of length
* L - X. Another example: if length L < X, this does not necessarily mean that
* the block is compressed as it might be that the lcn changes inside the block
- * and hence the following run list entry describes the continuation of the
+ * and hence the following runlist entry describes the continuation of the
* potentially compressed block. The block would be compressed if the
- * following run list entry describes at least X - L sparse clusters, thus
+ * following runlist entry describes at least X - L sparse clusters, thus
* making up the compression block length as described in point 3 above. (Of
- * course, there can be several run list entries with small lengths so that the
+ * course, there can be several runlist entries with small lengths so that the
* sparse entry does not follow the first data containing entry with
* length < X.)
*
/*
* Flags of resident attributes (8-bit).
*/
-typedef enum {
+enum {
RESIDENT_ATTR_IS_INDEXED = 0x01, /* Attribute is referenced in an index
(has implications for deleting and
modifying the attribute). */
-} __attribute__ ((__packed__)) RESIDENT_ATTR_FLAGS;
+} __attribute__ ((__packed__));
+
+typedef u8 RESIDENT_ATTR_FLAGS;
/*
* Attribute record header. Always aligned to 8-byte boundary.
*/
typedef struct {
/*Ofs*/
-/* 0*/ ATTR_TYPES type; /* The (32-bit) type of the attribute. */
-/* 4*/ u32 length; /* Byte size of the resident part of the
+/* 0*/ ATTR_TYPE type; /* The (32-bit) type of the attribute. */
+/* 4*/ le32 length; /* Byte size of the resident part of the
attribute (aligned to 8-byte boundary).
Used to get to the next attribute. */
/* 8*/ u8 non_resident; /* If 0, attribute is resident.
If 1, attribute is non-resident. */
/* 9*/ u8 name_length; /* Unicode character size of name of attribute.
0 if unnamed. */
-/* 10*/ u16 name_offset; /* If name_length != 0, the byte offset to the
+/* 10*/ le16 name_offset; /* If name_length != 0, the byte offset to the
beginning of the name from the attribute
record. Note that the name is stored as a
Unicode string. When creating, place offset
respectively, aligning to an 8-byte
boundary. */
/* 12*/ ATTR_FLAGS flags; /* Flags describing the attribute. */
-/* 14*/ u16 instance; /* The instance of this attribute record. This
+/* 14*/ le16 instance; /* The instance of this attribute record. This
number is unique within this mft record (see
MFT_RECORD/next_attribute_instance notes in
in mft.h for more details). */
/* 16*/ union {
/* Resident attributes. */
struct {
-/* 16 */ u32 value_length; /* Byte size of attribute value. */
-/* 20 */ u16 value_offset; /* Byte offset of the attribute
+/* 16 */ le32 value_length;/* Byte size of attribute value. */
+/* 20 */ le16 value_offset;/* Byte offset of the attribute
value from the start of the
attribute record. When creating,
align to 8-byte boundary if we
} __attribute__ ((__packed__)) resident;
/* Non-resident attributes. */
struct {
-/* 16*/ VCN lowest_vcn; /* Lowest valid virtual cluster number
+/* 16*/ leVCN lowest_vcn;/* Lowest valid virtual cluster number
for this portion of the attribute value or
0 if this is the only extent (usually the
case). - Only when an attribute list is used
does lowest_vcn != 0 ever occur. */
-/* 24*/ VCN highest_vcn; /* Highest valid vcn of this extent of
+/* 24*/ leVCN highest_vcn;/* Highest valid vcn of this extent of
the attribute value. - Usually there is only one
portion, so this usually equals the attribute
value size in clusters minus 1. Can be -1 for
zero length files. Can be 0 for "single extent"
attributes. */
-/* 32*/ u16 mapping_pairs_offset; /* Byte offset from the
+/* 32*/ le16 mapping_pairs_offset; /* Byte offset from the
beginning of the structure to the mapping pairs
array which contains the mappings between the
vcns and the logical cluster numbers (lcns).
record header aligned to 8-byte boundary. */
/* 34*/ u8 compression_unit; /* The compression unit expressed
as the log to the base 2 of the number of
- clusters in a compression unit. 0 means not
- compressed. (This effectively limits the
+ clusters in a compression unit. 0 means not
+ compressed. (This effectively limits the
compression unit size to be a power of two
- clusters.) WinNT4 only uses a value of 4. */
+ clusters.) WinNT4 only uses a value of 4.
+ Sparse files also have this set to 4. */
/* 35*/ u8 reserved[5]; /* Align to 8-byte boundary. */
/* The sizes below are only used when lowest_vcn is zero, as otherwise it would
be difficult to keep them up-to-date.*/
-/* 40*/ s64 allocated_size; /* Byte size of disk space
+/* 40*/ sle64 allocated_size; /* Byte size of disk space
allocated to hold the attribute value. Always
is a multiple of the cluster size. When a file
is compressed, this field is a multiple of the
it represents the logically allocated space
rather than the actual on disk usage. For this
use the compressed_size (see below). */
-/* 48*/ s64 data_size; /* Byte size of the attribute
+/* 48*/ sle64 data_size; /* Byte size of the attribute
value. Can be larger than allocated_size if
attribute value is compressed or sparse. */
-/* 56*/ s64 initialized_size; /* Byte size of initialized
+/* 56*/ sle64 initialized_size; /* Byte size of initialized
portion of the attribute value. Usually equals
data_size. */
/* sizeof(uncompressed attr) = 64*/
-/* 64*/ s64 compressed_size; /* Byte size of the attribute
- value after compression. Only present when
- compressed. Always is a multiple of the
- cluster size. Represents the actual amount of
- disk space being used on the disk. */
+/* 64*/ sle64 compressed_size; /* Byte size of the attribute
+ value after compression. Only present when
+ compressed or sparse. Always is a multiple of
+ the cluster size. Represents the actual amount
+ of disk space being used on the disk. */
/* sizeof(compressed attr) = 72*/
} __attribute__ ((__packed__)) non_resident;
} __attribute__ ((__packed__)) data;
/*
* File attribute flags (32-bit).
*/
-typedef enum {
+enum {
/*
- * These flags are only present in the STANDARD_INFORMATION attribute
- * (in the field file_attributes).
+ * The following flags are only present in the STANDARD_INFORMATION
+ * attribute (in the field file_attributes).
*/
FILE_ATTR_READONLY = const_cpu_to_le32(0x00000001),
FILE_ATTR_HIDDEN = const_cpu_to_le32(0x00000002),
FILE_ATTR_SYSTEM = const_cpu_to_le32(0x00000004),
- /* Old DOS volid. Unused in NT. = cpu_to_le32(0x00000008), */
+ /* Old DOS volid. Unused in NT. = const_cpu_to_le32(0x00000008), */
FILE_ATTR_DIRECTORY = const_cpu_to_le32(0x00000010),
- /* FILE_ATTR_DIRECTORY is not considered valid in NT. It is reserved
- for the DOS SUBDIRECTORY flag. */
+ /* Note, FILE_ATTR_DIRECTORY is not considered valid in NT. It is
+ reserved for the DOS SUBDIRECTORY flag. */
FILE_ATTR_ARCHIVE = const_cpu_to_le32(0x00000020),
FILE_ATTR_DEVICE = const_cpu_to_le32(0x00000040),
FILE_ATTR_NORMAL = const_cpu_to_le32(0x00000080),
FILE_ATTR_ENCRYPTED = const_cpu_to_le32(0x00004000),
FILE_ATTR_VALID_FLAGS = const_cpu_to_le32(0x00007fb7),
- /* FILE_ATTR_VALID_FLAGS masks out the old DOS VolId and the
- FILE_ATTR_DEVICE and preserves everything else. This mask
- is used to obtain all flags that are valid for reading. */
+ /* Note, FILE_ATTR_VALID_FLAGS masks out the old DOS VolId and the
+ FILE_ATTR_DEVICE and preserves everything else. This mask is used
+ to obtain all flags that are valid for reading. */
FILE_ATTR_VALID_SET_FLAGS = const_cpu_to_le32(0x000031a7),
- /* FILE_ATTR_VALID_SET_FLAGS masks out the old DOS VolId, the
+ /* Note, FILE_ATTR_VALID_SET_FLAGS masks out the old DOS VolId, the
F_A_DEVICE, F_A_DIRECTORY, F_A_SPARSE_FILE, F_A_REPARSE_POINT,
- F_A_COMPRESSED and F_A_ENCRYPTED and preserves the rest. This mask
+ F_A_COMPRESSED, and F_A_ENCRYPTED and preserves the rest. This mask
is used to to obtain all flags that are valid for setting. */
-
/*
- * These flags are only present in the FILE_NAME attribute (in the
- * field file_attributes).
+ * The following flag is only present in the FILE_NAME attribute (in
+ * the field file_attributes).
*/
FILE_ATTR_DUP_FILE_NAME_INDEX_PRESENT = const_cpu_to_le32(0x10000000),
- /* This is a copy of the corresponding bit from the mft record, telling
- us whether this is a directory or not, i.e. whether it has an
- index root attribute or not. */
+ /* Note, this is a copy of the corresponding bit from the mft record,
+ telling us whether this is a directory or not, i.e. whether it has
+ an index root attribute or not. */
+ /*
+ * The following flag is present both in the STANDARD_INFORMATION
+ * attribute and in the FILE_NAME attribute (in the field
+ * file_attributes).
+ */
FILE_ATTR_DUP_VIEW_INDEX_PRESENT = const_cpu_to_le32(0x20000000),
- /* This is a copy of the corresponding bit from the mft record, telling
- us whether this file has a view index present (eg. object id index,
- quota index, one of the security indexes or the encrypting file
- system related indexes). */
-} FILE_ATTR_FLAGS;
+ /* Note, this is a copy of the corresponding bit from the mft record,
+ telling us whether this file has a view index present (eg. object id
+ index, quota index, one of the security indexes or the encrypting
+ filesystem related indexes). */
+};
+
+typedef le32 FILE_ATTR_FLAGS;
/*
* NOTE on times in NTFS: All times are in MS standard time format, i.e. they
*/
typedef struct {
/*Ofs*/
-/* 0*/ s64 creation_time; /* Time file was created. Updated when
+/* 0*/ sle64 creation_time; /* Time file was created. Updated when
a filename is changed(?). */
-/* 8*/ s64 last_data_change_time; /* Time the data attribute was last
+/* 8*/ sle64 last_data_change_time; /* Time the data attribute was last
modified. */
-/* 16*/ s64 last_mft_change_time; /* Time this mft record was last
+/* 16*/ sle64 last_mft_change_time; /* Time this mft record was last
modified. */
-/* 24*/ s64 last_access_time; /* Approximate time when the file was
+/* 24*/ sle64 last_access_time; /* Approximate time when the file was
last accessed (obviously this is not
updated on read-only volumes). In
Windows this is only updated when
* views that as a corruption, assuming that it behaves like this for all
* attributes.
*/
- /* 36*/ u32 maximum_versions; /* Maximum allowed versions for
+ /* 36*/ le32 maximum_versions; /* Maximum allowed versions for
file. Zero if version numbering is disabled. */
- /* 40*/ u32 version_number; /* This file's version (if any).
+ /* 40*/ le32 version_number; /* This file's version (if any).
Set to zero if maximum_versions is zero. */
- /* 44*/ u32 class_id; /* Class id from bidirectional
+ /* 44*/ le32 class_id; /* Class id from bidirectional
class id index (?). */
- /* 48*/ u32 owner_id; /* Owner_id of the user owning
+ /* 48*/ le32 owner_id; /* Owner_id of the user owning
the file. Translate via $Q index in FILE_Extend
/$Quota to the quota control entry for the user
owning the file. Zero if quotas are disabled. */
- /* 52*/ u32 security_id; /* Security_id for the file.
+ /* 52*/ le32 security_id; /* Security_id for the file.
Translate via $SII index and $SDS data stream
in FILE_Secure to the security descriptor. */
- /* 56*/ u64 quota_charged; /* Byte size of the charge to
+ /* 56*/ le64 quota_charged; /* Byte size of the charge to
the quota for all streams of the file. Note: Is
zero if quotas are disabled. */
- /* 64*/ u64 usn; /* Last update sequence number
- of the file. This is a direct index into the
- change (aka usn) journal file. It is zero if
- the usn journal is disabled.
- NOTE: To disable the journal need to delete
- the journal file itself and to then walk the
- whole mft and set all Usn entries in all mft
- records to zero! (This can take a while!)
- The journal is FILE_Extend/$UsnJrnl. Win2k
- will recreate the journal and initiate
- logging if necessary when mounting the
- partition. This, in contrast to disabling the
- journal is a very fast process, so the user
- won't even notice it. */
+ /* 64*/ leUSN usn; /* Last update sequence number
+ of the file. This is a direct index into the
+ transaction log file ($UsnJrnl). It is zero if
+ the usn journal is disabled or this file has
+ not been subject to logging yet. See usnjrnl.h
+ for details. */
} __attribute__ ((__packed__)) v3;
/* sizeof() = 72 bytes (NTFS 3.x) */
} __attribute__ ((__packed__)) ver;
*/
typedef struct {
/*Ofs*/
-/* 0*/ ATTR_TYPES type; /* Type of referenced attribute. */
-/* 4*/ u16 length; /* Byte size of this entry (8-byte aligned). */
+/* 0*/ ATTR_TYPE type; /* Type of referenced attribute. */
+/* 4*/ le16 length; /* Byte size of this entry (8-byte aligned). */
/* 6*/ u8 name_length; /* Size in Unicode chars of the name of the
attribute or 0 if unnamed. */
/* 7*/ u8 name_offset; /* Byte offset to beginning of attribute name
(always set this to where the name would
start even if unnamed). */
-/* 8*/ VCN lowest_vcn; /* Lowest virtual cluster number of this portion
+/* 8*/ leVCN lowest_vcn; /* Lowest virtual cluster number of this portion
of the attribute value. This is usually 0. It
is non-zero for the case where one attribute
does not fit into one mft record and thus
value! The windows driver uses cmp, followed
by jg when comparing this, thus it treats it
as signed. */
-/* 16*/ MFT_REF mft_reference; /* The reference of the mft record holding
+/* 16*/ leMFT_REF mft_reference;/* The reference of the mft record holding
the ATTR_RECORD for this portion of the
attribute value. */
-/* 24*/ u16 instance; /* If lowest_vcn = 0, the instance of the
+/* 24*/ le16 instance; /* If lowest_vcn = 0, the instance of the
attribute being referenced; otherwise 0. */
/* 26*/ ntfschar name[0]; /* Use when creating only. When reading use
name_offset to determine the location of the
/*
* Possible namespaces for filenames in ntfs (8-bit).
*/
-typedef enum {
- FILE_NAME_POSIX = 0x00,
- /* This is the largest namespace. It is case sensitive and
- allows all Unicode characters except for: '\0' and '/'.
- Beware that in WinNT/2k files which eg have the same name
- except for their case will not be distinguished by the
- standard utilities and thus a "del filename" will delete
- both "filename" and "fileName" without warning. */
- FILE_NAME_WIN32 = 0x01,
- /* The standard WinNT/2k NTFS long filenames. Case insensitive.
- All Unicode chars except: '\0', '"', '*', '/', ':', '<',
- '>', '?', '\' and '|'. Further, names cannot end with a '.'
- or a space. */
- FILE_NAME_DOS = 0x02,
- /* The standard DOS filenames (8.3 format). Uppercase only.
- All 8-bit characters greater space, except: '"', '*', '+',
- ',', '/', ':', ';', '<', '=', '>', '?' and '\'. */
- FILE_NAME_WIN32_AND_DOS = 0x03,
- /* 3 means that both the Win32 and the DOS filenames are
- identical and hence have been saved in this single filename
- record. */
-} __attribute__ ((__packed__)) FILE_NAME_TYPE_FLAGS;
+enum {
+ FILE_NAME_POSIX = 0x00,
+ /* This is the largest namespace. It is case sensitive and allows all
+ Unicode characters except for: '\0' and '/'. Beware that in
+ WinNT/2k/2003 by default files which eg have the same name except
+ for their case will not be distinguished by the standard utilities
+ and thus a "del filename" will delete both "filename" and "fileName"
+ without warning. However if for example Services For Unix (SFU) are
+ installed and the case sensitive option was enabled at installation
+ time, then you can create/access/delete such files.
+ Note that even SFU places restrictions on the filenames beyond the
+ '\0' and '/' and in particular the following set of characters is
+ not allowed: '"', '/', '<', '>', '\'. All other characters,
+ including the ones no allowed in WIN32 namespace are allowed.
+ Tested with SFU 3.5 (this is now free) running on Windows XP. */
+ FILE_NAME_WIN32 = 0x01,
+ /* The standard WinNT/2k NTFS long filenames. Case insensitive. All
+ Unicode chars except: '\0', '"', '*', '/', ':', '<', '>', '?', '\',
+ and '|'. Further, names cannot end with a '.' or a space. */
+ FILE_NAME_DOS = 0x02,
+ /* The standard DOS filenames (8.3 format). Uppercase only. All 8-bit
+ characters greater space, except: '"', '*', '+', ',', '/', ':', ';',
+ '<', '=', '>', '?', and '\'. */
+ FILE_NAME_WIN32_AND_DOS = 0x03,
+ /* 3 means that both the Win32 and the DOS filenames are identical and
+ hence have been saved in this single filename record. */
+} __attribute__ ((__packed__));
+
+typedef u8 FILE_NAME_TYPE_FLAGS;
/*
* Attribute: Filename (0x30).
*/
typedef struct {
/*hex ofs*/
-/* 0*/ MFT_REF parent_directory; /* Directory this filename is
+/* 0*/ leMFT_REF parent_directory; /* Directory this filename is
referenced from. */
-/* 8*/ s64 creation_time; /* Time file was created. */
-/* 10*/ s64 last_data_change_time; /* Time the data attribute was last
+/* 8*/ sle64 creation_time; /* Time file was created. */
+/* 10*/ sle64 last_data_change_time; /* Time the data attribute was last
modified. */
-/* 18*/ s64 last_mft_change_time; /* Time this mft record was last
+/* 18*/ sle64 last_mft_change_time; /* Time this mft record was last
modified. */
-/* 20*/ s64 last_access_time; /* Time this mft record was last
+/* 20*/ sle64 last_access_time; /* Time this mft record was last
accessed. */
-/* 28*/ s64 allocated_size; /* Byte size of allocated space for the
- data attribute. NOTE: Is a multiple
- of the cluster size. */
-/* 30*/ s64 data_size; /* Byte size of actual data in data
+/* 28*/ sle64 allocated_size; /* Byte size of on-disk allocated space
+ for the data attribute. So for
+ normal $DATA, this is the
+ allocated_size from the unnamed
+ $DATA attribute and for compressed
+ and/or sparse $DATA, this is the
+ compressed_size from the unnamed
+ $DATA attribute. NOTE: This is a
+ multiple of the cluster size. */
+/* 30*/ sle64 data_size; /* Byte size of actual data in data
attribute. */
/* 38*/ FILE_ATTR_FLAGS file_attributes; /* Flags describing the file. */
/* 3c*/ union {
/* 3c*/ struct {
- /* 3c*/ u16 packed_ea_size; /* Size of the buffer needed to
+ /* 3c*/ le16 packed_ea_size; /* Size of the buffer needed to
pack the extended attributes
(EAs), if such are present.*/
- /* 3e*/ u16 reserved; /* Reserved for alignment. */
+ /* 3e*/ le16 reserved; /* Reserved for alignment. */
} __attribute__ ((__packed__)) ea;
/* 3c*/ struct {
- /* 3c*/ u32 reparse_point_tag; /* Type of reparse point,
+ /* 3c*/ le32 reparse_point_tag; /* Type of reparse point,
present only in reparse
points and only if there are
no EAs. */
* 1F010768-5A73-BC91-0010A52216A7
*/
typedef struct {
- u32 data1; /* The first eight hexadecimal digits of the GUID. */
- u16 data2; /* The first group of four hexadecimal digits. */
- u16 data3; /* The second group of four hexadecimal digits. */
+ le32 data1; /* The first eight hexadecimal digits of the GUID. */
+ le16 data2; /* The first group of four hexadecimal digits. */
+ le16 data3; /* The second group of four hexadecimal digits. */
u8 data4[8]; /* The first two bytes are the third group of four
hexadecimal digits. The remaining six bytes are the
final 12 hexadecimal digits. */
* domain_id - Reserved (always zero).
*/
typedef struct {
- MFT_REF mft_reference; /* Mft record containing the object_id in
+ leMFT_REF mft_reference;/* Mft record containing the object_id in
the index entry key. */
union {
struct {
/*
* The SID_IDENTIFIER_AUTHORITY is a 48-bit value used in the SID structure.
+ *
+ * NOTE: This is stored as a big endian number, hence the high_part comes
+ * before the low_part.
*/
typedef union {
struct {
- u32 low; /* Low 32-bits. */
- u16 high; /* High 16-bits. */
+ u16 high_part; /* High 16-bits. */
+ u32 low_part; /* Low 32-bits. */
} __attribute__ ((__packed__)) parts;
- u8 value[6]; /* Value as individual bytes. */
+ u8 value[6]; /* Value as individual bytes. */
} __attribute__ ((__packed__)) SID_IDENTIFIER_AUTHORITY;
/*
u8 revision;
u8 sub_authority_count;
SID_IDENTIFIER_AUTHORITY identifier_authority;
- u32 sub_authority[1]; /* At least one sub_authority. */
+ le32 sub_authority[1]; /* At least one sub_authority. */
} __attribute__ ((__packed__)) SID;
/*
/*
* The predefined ACE types (8-bit, see below).
*/
-typedef enum {
+enum {
ACCESS_MIN_MS_ACE_TYPE = 0,
ACCESS_ALLOWED_ACE_TYPE = 0,
ACCESS_DENIED_ACE_TYPE = 1,
ACCESS_MAX_MS_V4_ACE_TYPE = 8,
- /* This one is for WinNT&2k. */
+ /* This one is for WinNT/2k. */
ACCESS_MAX_MS_ACE_TYPE = 8,
-} __attribute__ ((__packed__)) ACE_TYPES;
+} __attribute__ ((__packed__));
+
+typedef u8 ACE_TYPES;
/*
* The ACE flags (8-bit) for audit and inheritance (see below).
* FAILED_ACCESS_ACE_FLAG is only used with system audit and alarm ACE types
* to indicate that a message is generated (in Windows!) for failed accesses.
*/
-typedef enum {
+enum {
/* The inheritance flags. */
OBJECT_INHERIT_ACE = 0x01,
CONTAINER_INHERIT_ACE = 0x02,
/* The audit flags. */
SUCCESSFUL_ACCESS_ACE_FLAG = 0x40,
FAILED_ACCESS_ACE_FLAG = 0x80,
-} __attribute__ ((__packed__)) ACE_FLAGS;
+} __attribute__ ((__packed__));
+
+typedef u8 ACE_FLAGS;
/*
* An ACE is an access-control entry in an access-control list (ACL).
/*Ofs*/
/* 0*/ ACE_TYPES type; /* Type of the ACE. */
/* 1*/ ACE_FLAGS flags; /* Flags describing the ACE. */
-/* 2*/ u16 size; /* Size in bytes of the ACE. */
+/* 2*/ le16 size; /* Size in bytes of the ACE. */
} __attribute__ ((__packed__)) ACE_HEADER;
/*
* The access mask (32-bit). Defines the access rights.
+ *
+ * The specific rights (bits 0 to 15). These depend on the type of the object
+ * being secured by the ACE.
*/
-typedef enum {
- /*
- * The specific rights (bits 0 to 15). Depend on the type of the
- * object being secured by the ACE.
- */
-
+enum {
/* Specific rights for files and directories are as follows: */
/* Right to read data from the file. (FILE) */
FILE_WRITE_ATTRIBUTES = const_cpu_to_le32(0x00000100),
/*
- * The standard rights (bits 16 to 23). Are independent of the type of
- * object being secured.
+ * The standard rights (bits 16 to 23). These are independent of the
+ * type of object being secured.
*/
/* Right to delete the object. */
/*
* Right to read the information in the object's security descriptor,
- * not including the information in the SACL. I.e. right to read the
+ * not including the information in the SACL, i.e. right to read the
* security descriptor and owner.
*/
READ_CONTROL = const_cpu_to_le32(0x00020000),
WRITE_OWNER = const_cpu_to_le32(0x00080000),
/*
- * Right to use the object for synchronization. Enables a process to
- * wait until the object is in the signalled state. Some object types
+ * Right to use the object for synchronization. Enables a process to
+ * wait until the object is in the signalled state. Some object types
* do not support this access right.
*/
SYNCHRONIZE = const_cpu_to_le32(0x00100000),
MAXIMUM_ALLOWED = const_cpu_to_le32(0x02000000),
/*
- * The generic rights (bits 28 to 31). These map onto the standard and
+ * The generic rights (bits 28 to 31). These map onto the standard and
* specific rights.
*/
GENERIC_EXECUTE = const_cpu_to_le32(0x20000000),
/*
- * Write access. For files, this maps onto:
+ * Write access. For files, this maps onto:
* FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_DATA |
* FILE_WRITE_EA | STANDARD_RIGHTS_WRITE | SYNCHRONIZE
- * For directories, the mapping has the same numberical value. See
+ * For directories, the mapping has the same numerical value. See
* above for the descriptions of the rights granted.
*/
GENERIC_WRITE = const_cpu_to_le32(0x40000000),
/*
- * Read access. For files, this maps onto:
+ * Read access. For files, this maps onto:
* FILE_READ_ATTRIBUTES | FILE_READ_DATA | FILE_READ_EA |
* STANDARD_RIGHTS_READ | SYNCHRONIZE
- * For directories, the mapping has the same numberical value. See
+ * For directories, the mapping has the same numberical value. See
* above for the descriptions of the rights granted.
*/
GENERIC_READ = const_cpu_to_le32(0x80000000),
-} ACCESS_MASK;
+};
+
+typedef le32 ACCESS_MASK;
/*
* The generic mapping array. Used to denote the mapping of each generic
/* 0 ACE_HEADER; -- Unfolded here as gcc doesn't like unnamed structs. */
ACE_TYPES type; /* Type of the ACE. */
ACE_FLAGS flags; /* Flags describing the ACE. */
- u16 size; /* Size in bytes of the ACE. */
+ le16 size; /* Size in bytes of the ACE. */
/* 4*/ ACCESS_MASK mask; /* Access mask associated with the ACE. */
/* 8*/ SID sid; /* The SID associated with the ACE. */
/*
* The object ACE flags (32-bit).
*/
-typedef enum {
+enum {
ACE_OBJECT_TYPE_PRESENT = const_cpu_to_le32(1),
ACE_INHERITED_OBJECT_TYPE_PRESENT = const_cpu_to_le32(2),
-} OBJECT_ACE_FLAGS;
+};
+
+typedef le32 OBJECT_ACE_FLAGS;
typedef struct {
/* 0 ACE_HEADER; -- Unfolded here as gcc doesn't like unnamed structs. */
ACE_TYPES type; /* Type of the ACE. */
ACE_FLAGS flags; /* Flags describing the ACE. */
- u16 size; /* Size in bytes of the ACE. */
+ le16 size; /* Size in bytes of the ACE. */
/* 4*/ ACCESS_MASK mask; /* Access mask associated with the ACE. */
/* 8*/ OBJECT_ACE_FLAGS object_flags; /* Flags describing the object ACE. */
typedef struct {
u8 revision; /* Revision of this ACL. */
u8 alignment1;
- u16 size; /* Allocated space in bytes for ACL. Includes this
+ le16 size; /* Allocated space in bytes for ACL. Includes this
header, the ACEs and the remaining free space. */
- u16 ace_count; /* Number of ACEs in the ACL. */
- u16 alignment2;
+ le16 ace_count; /* Number of ACEs in the ACL. */
+ le16 alignment2;
/* sizeof() = 8 bytes */
} __attribute__ ((__packed__)) ACL;
* security descriptor are contiguous in memory and all pointer fields are
* expressed as offsets from the beginning of the security descriptor.
*/
-typedef enum {
+enum {
SE_OWNER_DEFAULTED = const_cpu_to_le16(0x0001),
SE_GROUP_DEFAULTED = const_cpu_to_le16(0x0002),
SE_DACL_PRESENT = const_cpu_to_le16(0x0004),
SE_DACL_DEFAULTED = const_cpu_to_le16(0x0008),
+
SE_SACL_PRESENT = const_cpu_to_le16(0x0010),
SE_SACL_DEFAULTED = const_cpu_to_le16(0x0020),
+
SE_DACL_AUTO_INHERIT_REQ = const_cpu_to_le16(0x0100),
SE_SACL_AUTO_INHERIT_REQ = const_cpu_to_le16(0x0200),
SE_DACL_AUTO_INHERITED = const_cpu_to_le16(0x0400),
SE_SACL_AUTO_INHERITED = const_cpu_to_le16(0x0800),
+
SE_DACL_PROTECTED = const_cpu_to_le16(0x1000),
SE_SACL_PROTECTED = const_cpu_to_le16(0x2000),
SE_RM_CONTROL_VALID = const_cpu_to_le16(0x4000),
- SE_SELF_RELATIVE = const_cpu_to_le16(0x8000),
-} __attribute__ ((__packed__)) SECURITY_DESCRIPTOR_CONTROL;
+ SE_SELF_RELATIVE = const_cpu_to_le16(0x8000)
+} __attribute__ ((__packed__));
+
+typedef le16 SECURITY_DESCRIPTOR_CONTROL;
/*
* Self-relative security descriptor. Contains the owner and group SIDs as well
u8 alignment;
SECURITY_DESCRIPTOR_CONTROL control; /* Flags qualifying the type of
the descriptor as well as the following fields. */
- u32 owner; /* Byte offset to a SID representing an object's
+ le32 owner; /* Byte offset to a SID representing an object's
owner. If this is NULL, no owner SID is present in
the descriptor. */
- u32 group; /* Byte offset to a SID representing an object's
+ le32 group; /* Byte offset to a SID representing an object's
primary group. If this is NULL, no primary group
SID is present in the descriptor. */
- u32 sacl; /* Byte offset to a system ACL. Only valid, if
+ le32 sacl; /* Byte offset to a system ACL. Only valid, if
SE_SACL_PRESENT is set in the control field. If
SE_SACL_PRESENT is set but sacl is NULL, a NULL ACL
is specified. */
- u32 dacl; /* Byte offset to a discretionary ACL. Only valid, if
+ le32 dacl; /* Byte offset to a discretionary ACL. Only valid, if
SE_DACL_PRESENT is set in the control field. If
SE_DACL_PRESENT is set but dacl is NULL, a NULL ACL
(unconditionally granting access) is specified. */
* This is also the index entry data part of both the $SII and $SDH indexes.
*/
typedef struct {
- u32 hash; /* Hash of the security descriptor. */
- u32 security_id; /* The security_id assigned to the descriptor. */
- u64 offset; /* Byte offset of this entry in the $SDS stream. */
- u32 length; /* Size in bytes of this entry in $SDS stream. */
+ le32 hash; /* Hash of the security descriptor. */
+ le32 security_id; /* The security_id assigned to the descriptor. */
+ le64 offset; /* Byte offset of this entry in the $SDS stream. */
+ le32 length; /* Size in bytes of this entry in $SDS stream. */
} __attribute__ ((__packed__)) SECURITY_DESCRIPTOR_HEADER;
/*
/*Ofs*/
/* 0 SECURITY_DESCRIPTOR_HEADER; -- Unfolded here as gcc doesn't like
unnamed structs. */
- u32 hash; /* Hash of the security descriptor. */
- u32 security_id; /* The security_id assigned to the descriptor. */
- u64 offset; /* Byte offset of this entry in the $SDS stream. */
- u32 length; /* Size in bytes of this entry in $SDS stream. */
+ le32 hash; /* Hash of the security descriptor. */
+ le32 security_id; /* The security_id assigned to the descriptor. */
+ le64 offset; /* Byte offset of this entry in the $SDS stream. */
+ le32 length; /* Size in bytes of this entry in $SDS stream. */
/* 20*/ SECURITY_DESCRIPTOR_RELATIVE sid; /* The self-relative security
descriptor. */
} __attribute__ ((__packed__)) SDS_ENTRY;
* COLLATION_NTOFS_ULONG.
*/
typedef struct {
- u32 security_id; /* The security_id assigned to the descriptor. */
+ le32 security_id; /* The security_id assigned to the descriptor. */
} __attribute__ ((__packed__)) SII_INDEX_KEY;
/*
* COLLATION_NTOFS_SECURITY_HASH.
*/
typedef struct {
- u32 hash; /* Hash of the security descriptor. */
- u32 security_id; /* The security_id assigned to the descriptor. */
+ le32 hash; /* Hash of the security descriptor. */
+ le32 security_id; /* The security_id assigned to the descriptor. */
} __attribute__ ((__packed__)) SDH_INDEX_KEY;
/*
/*
* Possible flags for the volume (16-bit).
*/
-typedef enum {
+enum {
VOLUME_IS_DIRTY = const_cpu_to_le16(0x0001),
VOLUME_RESIZE_LOG_FILE = const_cpu_to_le16(0x0002),
VOLUME_UPGRADE_ON_MOUNT = const_cpu_to_le16(0x0004),
VOLUME_MOUNTED_ON_NT4 = const_cpu_to_le16(0x0008),
+
VOLUME_DELETE_USN_UNDERWAY = const_cpu_to_le16(0x0010),
VOLUME_REPAIR_OBJECT_ID = const_cpu_to_le16(0x0020),
+
+ VOLUME_CHKDSK_UNDERWAY = const_cpu_to_le16(0x4000),
VOLUME_MODIFIED_BY_CHKDSK = const_cpu_to_le16(0x8000),
- VOLUME_FLAGS_MASK = const_cpu_to_le16(0x803f),
+
+ VOLUME_FLAGS_MASK = const_cpu_to_le16(0xc03f),
/* To make our life easier when checking if we must mount read-only. */
- VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0x8037),
-} __attribute__ ((__packed__)) VOLUME_FLAGS;
+ VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0xc027),
+} __attribute__ ((__packed__));
+
+typedef le16 VOLUME_FLAGS;
/*
* Attribute: Volume information (0x70).
* NTFS 1.2. I haven't personally seen other values yet.
*/
typedef struct {
- u64 reserved; /* Not used (yet?). */
+ le64 reserved; /* Not used (yet?). */
u8 major_ver; /* Major version of the ntfs format. */
u8 minor_ver; /* Minor version of the ntfs format. */
VOLUME_FLAGS flags; /* Bit array of VOLUME_* flags. */
/*
* Index header flags (8-bit).
*/
-typedef enum {
- /* When index header is in an index root attribute: */
- SMALL_INDEX = 0, /* The index is small enough to fit inside the
- index root attribute and there is no index
- allocation attribute present. */
- LARGE_INDEX = 1, /* The index is too large to fit in the index
- root attribute and/or an index allocation
- attribute is present. */
+enum {
+ /*
+ * When index header is in an index root attribute:
+ */
+ SMALL_INDEX = 0, /* The index is small enough to fit inside the index
+ root attribute and there is no index allocation
+ attribute present. */
+ LARGE_INDEX = 1, /* The index is too large to fit in the index root
+ attribute and/or an index allocation attribute is
+ present. */
/*
* When index header is in an index block, i.e. is part of index
* allocation attribute:
*/
- LEAF_NODE = 0, /* This is a leaf node, i.e. there are no more
- nodes branching off it. */
- INDEX_NODE = 1, /* This node indexes other nodes, i.e. is not a
- leaf node. */
- NODE_MASK = 1, /* Mask for accessing the *_NODE bits. */
-} __attribute__ ((__packed__)) INDEX_HEADER_FLAGS;
+ LEAF_NODE = 0, /* This is a leaf node, i.e. there are no more nodes
+ branching off it. */
+ INDEX_NODE = 1, /* This node indexes other nodes, i.e. it is not a leaf
+ node. */
+ NODE_MASK = 1, /* Mask for accessing the *_NODE bits. */
+} __attribute__ ((__packed__));
+
+typedef u8 INDEX_HEADER_FLAGS;
/*
* This is the header for indexes, describing the INDEX_ENTRY records, which
* start of the index root or index allocation structures themselves.
*/
typedef struct {
- u32 entries_offset; /* Byte offset to first INDEX_ENTRY
+ le32 entries_offset; /* Byte offset to first INDEX_ENTRY
aligned to 8-byte boundary. */
- u32 index_length; /* Data size of the index in bytes,
+ le32 index_length; /* Data size of the index in bytes,
i.e. bytes used from allocated
size, aligned to 8-byte boundary. */
- u32 allocated_size; /* Byte size of this index (block),
+ le32 allocated_size; /* Byte size of this index (block),
multiple of 8 bytes. */
/* NOTE: For the index root attribute, the above two numbers are always
equal, as the attribute is resident and it is resized as needed. In
* dircetories do not contain entries for themselves, though.
*/
typedef struct {
- ATTR_TYPES type; /* Type of the indexed attribute. Is
+ ATTR_TYPE type; /* Type of the indexed attribute. Is
$FILE_NAME for directories, zero
for view indexes. No other values
allowed. */
- COLLATION_RULES collation_rule; /* Collation rule used to sort the
+ COLLATION_RULE collation_rule; /* Collation rule used to sort the
index entries. If type is $FILE_NAME,
this must be COLLATION_FILE_NAME. */
- u32 index_block_size; /* Size of each index block in bytes (in
+ le32 index_block_size; /* Size of each index block in bytes (in
the index allocation attribute). */
u8 clusters_per_index_block; /* Cluster size of each index block (in
the index allocation attribute), when
*/
typedef struct {
/* 0 NTFS_RECORD; -- Unfolded here as gcc doesn't like unnamed structs. */
- NTFS_RECORD_TYPES magic;/* Magic is "INDX". */
- u16 usa_ofs; /* See NTFS_RECORD definition. */
- u16 usa_count; /* See NTFS_RECORD definition. */
+ NTFS_RECORD_TYPE magic; /* Magic is "INDX". */
+ le16 usa_ofs; /* See NTFS_RECORD definition. */
+ le16 usa_count; /* See NTFS_RECORD definition. */
-/* 8*/ s64 lsn; /* $LogFile sequence number of the last
+/* 8*/ sle64 lsn; /* $LogFile sequence number of the last
modification of this index block. */
-/* 16*/ VCN index_block_vcn; /* Virtual cluster number of the index block.
+/* 16*/ leVCN index_block_vcn; /* Virtual cluster number of the index block.
If the cluster_size on the volume is <= the
index_block_size of the directory,
index_block_vcn counts in units of clusters,
* primary key / is not a key at all. (AIA)
*/
typedef struct {
- u32 reparse_tag; /* Reparse point type (inc. flags). */
- MFT_REF file_id; /* Mft record of the file containing the
+ le32 reparse_tag; /* Reparse point type (inc. flags). */
+ leMFT_REF file_id; /* Mft record of the file containing the
reparse point attribute. */
} __attribute__ ((__packed__)) REPARSE_INDEX_KEY;
/*
* Quota flags (32-bit).
+ *
+ * The user quota flags. Names explain meaning.
*/
-typedef enum {
- /* The user quota flags. Names explain meaning. */
+enum {
QUOTA_FLAG_DEFAULT_LIMITS = const_cpu_to_le32(0x00000001),
QUOTA_FLAG_LIMIT_REACHED = const_cpu_to_le32(0x00000002),
QUOTA_FLAG_ID_DELETED = const_cpu_to_le32(0x00000004),
QUOTA_FLAG_USER_MASK = const_cpu_to_le32(0x00000007),
- /* Bit mask for user quota flags. */
+ /* This is a bit mask for the user quota flags. */
- /* These flags are only present in the quota defaults index entry,
- i.e. in the entry where owner_id = QUOTA_DEFAULTS_ID. */
+ /*
+ * These flags are only present in the quota defaults index entry, i.e.
+ * in the entry where owner_id = QUOTA_DEFAULTS_ID.
+ */
QUOTA_FLAG_TRACKING_ENABLED = const_cpu_to_le32(0x00000010),
QUOTA_FLAG_ENFORCEMENT_ENABLED = const_cpu_to_le32(0x00000020),
QUOTA_FLAG_TRACKING_REQUESTED = const_cpu_to_le32(0x00000040),
QUOTA_FLAG_LOG_THRESHOLD = const_cpu_to_le32(0x00000080),
+
QUOTA_FLAG_LOG_LIMIT = const_cpu_to_le32(0x00000100),
QUOTA_FLAG_OUT_OF_DATE = const_cpu_to_le32(0x00000200),
QUOTA_FLAG_CORRUPT = const_cpu_to_le32(0x00000400),
QUOTA_FLAG_PENDING_DELETES = const_cpu_to_le32(0x00000800),
-} QUOTA_FLAGS;
+};
+
+typedef le32 QUOTA_FLAGS;
/*
* The system file FILE_Extend/$Quota contains two indexes $O and $Q. Quotas
* The $Q index entry data is the quota control entry and is defined below.
*/
typedef struct {
- u32 version; /* Currently equals 2. */
+ le32 version; /* Currently equals 2. */
QUOTA_FLAGS flags; /* Flags describing this quota entry. */
- u64 bytes_used; /* How many bytes of the quota are in use. */
- s64 change_time; /* Last time this quota entry was changed. */
- s64 threshold; /* Soft quota (-1 if not limited). */
- s64 limit; /* Hard quota (-1 if not limited). */
- s64 exceeded_time; /* How long the soft quota has been exceeded. */
+ le64 bytes_used; /* How many bytes of the quota are in use. */
+ sle64 change_time; /* Last time this quota entry was changed. */
+ sle64 threshold; /* Soft quota (-1 if not limited). */
+ sle64 limit; /* Hard quota (-1 if not limited). */
+ sle64 exceeded_time; /* How long the soft quota has been exceeded. */
SID sid; /* The SID of the user/object associated with
- this quota entry. Equals zero for the quota
- defaults entry. */
+ this quota entry. Equals zero for the quota
+ defaults entry (and in fact on a WinXP
+ volume, it is not present at all). */
} __attribute__ ((__packed__)) QUOTA_CONTROL_ENTRY;
/*
* Predefined owner_id values (32-bit).
*/
-typedef enum {
+enum {
QUOTA_INVALID_ID = const_cpu_to_le32(0x00000000),
QUOTA_DEFAULTS_ID = const_cpu_to_le32(0x00000001),
QUOTA_FIRST_USER_ID = const_cpu_to_le32(0x00000100),
-} PREDEFINED_OWNER_IDS;
+};
/*
- * Index entry flags (16-bit).
+ * Current constants for quota control entries.
*/
typedef enum {
- INDEX_ENTRY_NODE = const_cpu_to_le16(1), /* This entry contains a sub-node,
- i.e. a reference to an index
- block in form of a virtual
- cluster number (see below). */
- INDEX_ENTRY_END = const_cpu_to_le16(2), /* This signifies the last entry in
- an index block. The index entry
- does not represent a file but it
- can point to a sub-node. */
- INDEX_ENTRY_SPACE_FILLER = 0xffff, /* Just to force 16-bit width. */
-} __attribute__ ((__packed__)) INDEX_ENTRY_FLAGS;
+ /* Current version. */
+ QUOTA_VERSION = 2,
+} QUOTA_CONTROL_ENTRY_CONSTANTS;
+
+/*
+ * Index entry flags (16-bit).
+ */
+enum {
+ INDEX_ENTRY_NODE = const_cpu_to_le16(1), /* This entry contains a
+ sub-node, i.e. a reference to an index block in form of
+ a virtual cluster number (see below). */
+ INDEX_ENTRY_END = const_cpu_to_le16(2), /* This signifies the last
+ entry in an index block. The index entry does not
+ represent a file but it can point to a sub-node. */
+
+ INDEX_ENTRY_SPACE_FILLER = const_cpu_to_le16(0xffff), /* gcc: Force
+ enum bit width to 16-bit. */
+} __attribute__ ((__packed__));
+
+typedef le16 INDEX_ENTRY_FLAGS;
/*
* This the index entry header (see below).
typedef struct {
/* 0*/ union {
struct { /* Only valid when INDEX_ENTRY_END is not set. */
- MFT_REF indexed_file; /* The mft reference of the file
+ leMFT_REF indexed_file; /* The mft reference of the file
described by this index
entry. Used for directory
indexes. */
} __attribute__ ((__packed__)) dir;
struct { /* Used for views/indexes to find the entry's data. */
- u16 data_offset; /* Data byte offset from this
+ le16 data_offset; /* Data byte offset from this
INDEX_ENTRY. Follows the
index key. */
- u16 data_length; /* Data length in bytes. */
- u32 reservedV; /* Reserved (zero). */
+ le16 data_length; /* Data length in bytes. */
+ le32 reservedV; /* Reserved (zero). */
} __attribute__ ((__packed__)) vi;
} __attribute__ ((__packed__)) data;
-/* 8*/ u16 length; /* Byte size of this index entry, multiple of
+/* 8*/ le16 length; /* Byte size of this index entry, multiple of
8-bytes. */
-/* 10*/ u16 key_length; /* Byte size of the key value, which is in the
+/* 10*/ le16 key_length; /* Byte size of the key value, which is in the
index entry. It follows field reserved. Not
multiple of 8-bytes. */
/* 12*/ INDEX_ENTRY_FLAGS flags; /* Bit field of INDEX_ENTRY_* flags. */
-/* 14*/ u16 reserved; /* Reserved/align to 8-byte boundary. */
+/* 14*/ le16 reserved; /* Reserved/align to 8-byte boundary. */
/* sizeof() = 16 bytes */
} __attribute__ ((__packed__)) INDEX_ENTRY_HEADER;
/* 0 INDEX_ENTRY_HEADER; -- Unfolded here as gcc dislikes unnamed structs. */
union {
struct { /* Only valid when INDEX_ENTRY_END is not set. */
- MFT_REF indexed_file; /* The mft reference of the file
+ leMFT_REF indexed_file; /* The mft reference of the file
described by this index
entry. Used for directory
indexes. */
} __attribute__ ((__packed__)) dir;
struct { /* Used for views/indexes to find the entry's data. */
- u16 data_offset; /* Data byte offset from this
+ le16 data_offset; /* Data byte offset from this
INDEX_ENTRY. Follows the
index key. */
- u16 data_length; /* Data length in bytes. */
- u32 reservedV; /* Reserved (zero). */
+ le16 data_length; /* Data length in bytes. */
+ le32 reservedV; /* Reserved (zero). */
} __attribute__ ((__packed__)) vi;
} __attribute__ ((__packed__)) data;
- u16 length; /* Byte size of this index entry, multiple of
+ le16 length; /* Byte size of this index entry, multiple of
8-bytes. */
- u16 key_length; /* Byte size of the key value, which is in the
+ le16 key_length; /* Byte size of the key value, which is in the
index entry. It follows field reserved. Not
multiple of 8-bytes. */
INDEX_ENTRY_FLAGS flags; /* Bit field of INDEX_ENTRY_* flags. */
- u16 reserved; /* Reserved/align to 8-byte boundary. */
+ le16 reserved; /* Reserved/align to 8-byte boundary. */
/* 16*/ union { /* The key of the indexed attribute. NOTE: Only present
if INDEX_ENTRY_END bit in flags is not set. NOTE: On
FILE_Extend/$Reparse. */
SID sid; /* $O index in FILE_Extend/$Quota:
SID of the owner of the user_id. */
- u32 owner_id; /* $Q index in FILE_Extend/$Quota:
+ le32 owner_id; /* $Q index in FILE_Extend/$Quota:
user_id of the owner of the quota
control entry in the data part of
the index. */
} __attribute__ ((__packed__)) key;
/* The (optional) index data is inserted here when creating. */
- // VCN vcn; /* If INDEX_ENTRY_NODE bit in flags is set, the last
+ // leVCN vcn; /* If INDEX_ENTRY_NODE bit in flags is set, the last
// eight bytes of this index entry contain the virtual
// cluster number of the index block that holds the
// entries immediately preceding the current entry (the
* be slow. (E.g. the data is stored on a tape drive.)
* bit 31: Microsoft bit. If set, the tag is owned by Microsoft. User
* defined tags have to use zero here.
+ *
+ * These are the predefined reparse point tags:
*/
-typedef enum {
+enum {
IO_REPARSE_TAG_IS_ALIAS = const_cpu_to_le32(0x20000000),
IO_REPARSE_TAG_IS_HIGH_LATENCY = const_cpu_to_le32(0x40000000),
IO_REPARSE_TAG_IS_MICROSOFT = const_cpu_to_le32(0x80000000),
IO_REPARSE_TAG_SYMBOLIC_LINK = const_cpu_to_le32(0xe8000000),
IO_REPARSE_TAG_VALID_VALUES = const_cpu_to_le32(0xe000ffff),
-} PREDEFINED_REPARSE_TAGS;
+};
/*
* Attribute: Reparse point (0xc0).
* NOTE: Can be resident or non-resident.
*/
typedef struct {
- u32 reparse_tag; /* Reparse point type (inc. flags). */
- u16 reparse_data_length; /* Byte size of reparse data. */
- u16 reserved; /* Align to 8-byte boundary. */
+ le32 reparse_tag; /* Reparse point type (inc. flags). */
+ le16 reparse_data_length; /* Byte size of reparse data. */
+ le16 reserved; /* Align to 8-byte boundary. */
u8 reparse_data[0]; /* Meaning depends on reparse_tag. */
} __attribute__ ((__packed__)) REPARSE_POINT;
* NOTE: Always resident. (Is this true???)
*/
typedef struct {
- u16 ea_length; /* Byte size of the packed extended
+ le16 ea_length; /* Byte size of the packed extended
attributes. */
- u16 need_ea_count; /* The number of extended attributes which have
+ le16 need_ea_count; /* The number of extended attributes which have
the NEED_EA bit set. */
- u32 ea_query_length; /* Byte size of the buffer required to query
+ le32 ea_query_length; /* Byte size of the buffer required to query
the extended attributes when calling
ZwQueryEaFile() in Windows NT/2k. I.e. the
byte size of the unpacked extended
/*
* Extended attribute flags (8-bit).
*/
-typedef enum {
- NEED_EA = 0x80,
-} __attribute__ ((__packed__)) EA_FLAGS;
+enum {
+ NEED_EA = 0x80 /* If set the file to which the EA belongs
+ cannot be interpreted without understanding
+ the associates extended attributes. */
+} __attribute__ ((__packed__));
+
+typedef u8 EA_FLAGS;
/*
* Attribute: Extended attribute (EA) (0xe0).
*
- * NOTE: Always non-resident. (Is this true?)
+ * NOTE: Can be resident or non-resident.
*
* Like the attribute list and the index buffer list, the EA attribute value is
* a sequence of EA_ATTR variable length records.
- *
- * FIXME: It appears weird that the EA name is not unicode. Is it true?
*/
typedef struct {
- u32 next_entry_offset; /* Offset to the next EA_ATTR. */
+ le32 next_entry_offset; /* Offset to the next EA_ATTR. */
EA_FLAGS flags; /* Flags describing the EA. */
- u8 ea_name_length; /* Length of the name of the EA in bytes. */
- u16 ea_value_length; /* Byte size of the EA's value. */
- u8 ea_name[0]; /* Name of the EA. */
- u8 ea_value[0]; /* The value of the EA. Immediately follows
+ u8 ea_name_length; /* Length of the name of the EA in bytes
+ excluding the '\0' byte terminator. */
+ le16 ea_value_length; /* Byte size of the EA's value. */
+ u8 ea_name[0]; /* Name of the EA. Note this is ASCII, not
+ Unicode and it is zero terminated. */
+ u8 ea_value[0]; /* The value of the EA. Immediately follows
the name. */
} __attribute__ ((__packed__)) EA_ATTR;