300 lines
9.0 KiB
C
300 lines
9.0 KiB
C
/*-
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* Copyright (c) 1998, 1999 Semen Ustimenko
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: ntfs.h,v 1.9 1999/02/02 01:54:54 semen Exp $
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*/
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#define DIAGNOSTIC
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/*#define NTFS_DEBUG 1*/
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typedef u_int64_t cn_t;
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typedef u_int16_t wchar;
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#pragma pack(1)
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#define BBSIZE 1024
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#define BBOFF ((off_t)(0))
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#define BBLOCK ((daddr_t)(0))
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#define NTFS_MFTINO 0
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#define NTFS_VOLUMEINO 3
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#define NTFS_ATTRDEFINO 4
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#define NTFS_ROOTINO 5
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#define NTFS_BITMAPINO 6
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#define NTFS_BOOTINO 7
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#define NTFS_BADCLUSINO 8
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#define NTFS_UPCASEINO 10
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#define NTFS_MAXFILENAME 255
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struct fixuphdr {
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u_int32_t fh_magic;
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u_int16_t fh_foff;
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u_int16_t fh_fnum;
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};
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#define NTFS_AF_INRUN 0x00000001
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struct attrhdr {
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u_int32_t a_type;
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u_int32_t reclen;
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u_int8_t a_flag;
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u_int8_t a_namelen;
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u_int8_t a_nameoff;
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u_int8_t reserved1;
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u_int8_t a_compression;
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u_int8_t reserved2;
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u_int16_t a_index;
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};
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#define NTFS_A_STD 0x10
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#define NTFS_A_ATTRLIST 0x20
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#define NTFS_A_NAME 0x30
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#define NTFS_A_VOLUMENAME 0x60
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#define NTFS_A_DATA 0x80
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#define NTFS_A_INDXROOT 0x90
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#define NTFS_A_INDX 0xA0
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#define NTFS_A_INDXBITMAP 0xB0
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#define NTFS_MAXATTRNAME 255
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struct attr {
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struct attrhdr a_hdr;
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union {
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struct {
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u_int16_t a_datalen;
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u_int16_t reserved1;
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u_int16_t a_dataoff;
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u_int16_t a_indexed;
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} a_S_r;
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struct {
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cn_t a_vcnstart;
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cn_t a_vcnend;
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u_int16_t a_dataoff;
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u_int16_t a_compressalg;
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u_int32_t reserved1;
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u_int64_t a_allocated;
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u_int64_t a_datalen;
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u_int64_t a_initialized;
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} a_S_nr;
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} a_S;
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};
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#define a_r a_S.a_S_r
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#define a_nr a_S.a_S_nr
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typedef struct {
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u_int64_t t_create;
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u_int64_t t_write;
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u_int64_t t_mftwrite;
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u_int64_t t_access;
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} ntfs_times_t;
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#define NTFS_FFLAG_RDONLY 0x01LL
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#define NTFS_FFLAG_HIDDEN 0x02LL
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#define NTFS_FFLAG_SYSTEM 0x04LL
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#define NTFS_FFLAG_ARCHIVE 0x20LL
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#define NTFS_FFLAG_COMPRESSED 0x0800LL
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#define NTFS_FFLAG_DIR 0x10000000LL
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struct attr_name {
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u_int32_t n_pnumber; /* Parent ntnode */
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u_int32_t reserved;
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ntfs_times_t n_times;
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u_int64_t n_size;
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u_int64_t n_attrsz;
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u_int64_t n_flag;
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u_int8_t n_namelen;
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u_int8_t n_nametype;
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u_int16_t n_name[1];
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};
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#define NTFS_IRFLAG_INDXALLOC 0x00000001
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struct attr_indexroot {
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u_int32_t ir_unkn1; /* always 0x30 */
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u_int32_t ir_unkn2; /* always 0x1 */
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u_int32_t ir_size;/* ??? */
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u_int32_t ir_unkn3; /* number of cluster */
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u_int32_t ir_unkn4; /* always 0x10 */
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u_int32_t ir_datalen; /* sizeof simething */
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u_int32_t ir_allocated; /* same as above */
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u_int16_t ir_flag;/* ?? always 1 */
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u_int16_t ir_unkn7;
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};
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struct attr_attrlist {
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u_int32_t al_type; /* Attribute type */
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u_int16_t reclen; /* length of this entry */
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u_int8_t al_namelen; /* Attribute name len */
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u_int8_t al_nameoff; /* Name offset from entry start */
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u_int64_t al_vcnstart; /* VCN number */
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u_int32_t al_inumber; /* Parent ntnode */
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u_int32_t reserved;
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u_int16_t al_index; /* Attribute index in MFT record */
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u_int16_t al_name[1]; /* Name */
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};
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#define NTFS_INDXMAGIC (u_int32_t)(0x58444E49)
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struct attr_indexalloc {
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struct fixuphdr ia_fixup;
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u_int64_t unknown1;
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cn_t ia_bufcn;
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u_int16_t ia_hdrsize;
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u_int16_t unknown2;
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u_int32_t ia_inuse;
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u_int32_t ia_allocated;
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};
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#define NTFS_IEFLAG_SUBNODE 0x00000001
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#define NTFS_IEFLAG_LAST 0x00000002
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struct attr_indexentry {
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u_int32_t ie_number;
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u_int32_t unknown1;
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u_int16_t reclen;
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u_int16_t ie_size;
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u_int32_t ie_flag;/* 1 - has subnodes, 2 - last */
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u_int32_t ie_fpnumber;
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u_int32_t unknown2;
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ntfs_times_t ie_ftimes;
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u_int64_t ie_fallocated;
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u_int64_t ie_fsize;
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u_int64_t ie_fflag;
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u_int8_t ie_fnamelen;
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u_int8_t ie_fnametype;
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wchar ie_fname[NTFS_MAXFILENAME];
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/* cn_t ie_bufcn; buffer with subnodes */
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};
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#define NTFS_FILEMAGIC (u_int32_t)(0x454C4946)
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#define NTFS_FRFLAG_DIR 0x0002
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struct filerec {
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struct fixuphdr fr_fixup;
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u_int8_t reserved[8];
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u_int16_t fr_seqnum; /* Sequence number */
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u_int16_t fr_nlink;
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u_int16_t fr_attroff; /* offset to attributes */
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u_int16_t fr_flags; /* 1-nonresident attr, 2-directory */
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u_int32_t fr_size;/* hdr + attributes */
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u_int32_t fr_allocated; /* allocated length of record */
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u_int64_t fr_mainrec; /* main record */
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u_int16_t fr_attrnum; /* maximum attr number + 1 ??? */
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};
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#define NTFS_ATTRNAME_MAXLEN 0x40
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#define NTFS_ADFLAG_NONRES 0x0080 /* Attrib can be non resident */
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#define NTFS_ADFLAG_INDEX 0x0002 /* Attrib can be indexed */
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struct attrdef {
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wchar ad_name[NTFS_ATTRNAME_MAXLEN];
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u_int32_t ad_type;
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u_int32_t reserved1[2];
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u_int32_t ad_flag;
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u_int64_t ad_minlen;
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u_int64_t ad_maxlen; /* -1 for nonlimited */
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};
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struct ntvattrdef {
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char ad_name[0x40];
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int ad_namelen;
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u_int32_t ad_type;
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};
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struct bootfile {
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u_int8_t reserved1[3]; /* asm jmp near ... */
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u_int8_t bf_sysid[8]; /* 'NTFS ' */
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u_int16_t bf_bps; /* bytes per sector */
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u_int8_t bf_spc; /* sectors per cluster */
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u_int8_t reserved2[7]; /* unused (zeroed) */
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u_int8_t bf_media; /* media desc. (0xF8) */
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u_int8_t reserved3[2];
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u_int16_t bf_spt; /* sectors per track */
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u_int16_t bf_heads; /* number of heads */
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u_int8_t reserver4[12];
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u_int64_t bf_spv; /* sectors per volume */
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cn_t bf_mftcn; /* $MFT cluster number */
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cn_t bf_mftmirrcn; /* $MFTMirr cn */
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u_int8_t bf_mftrecsz; /* MFT record size (clust) */
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/* 0xF6 inducates 1/4 */
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u_int32_t bf_ibsz; /* index buffer size */
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u_int32_t bf_volsn; /* volume ser. num. */
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};
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#define NTFS_SYSNODESNUM 0x0B
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struct ntfsmount {
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struct mount *ntm_mountp;
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struct bootfile ntm_bootfile;
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dev_t ntm_dev;
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struct vnode *ntm_devvp;
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struct vnode *ntm_sysvn[NTFS_SYSNODESNUM];
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wchar *ntm_upcase;
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u_int32_t ntm_bpmftrec;
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uid_t ntm_uid;
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gid_t ntm_gid;
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mode_t ntm_mode;
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u_long ntm_flag;
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struct ntvattrdef *ntm_ad;
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int ntm_adnum;
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};
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#define ntm_mftcn ntm_bootfile.bf_mftcn
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#define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn
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#define ntm_mftrecsz ntm_bootfile.bf_mftrecsz
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#define ntm_spc ntm_bootfile.bf_spc
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#define ntm_bps ntm_bootfile.bf_bps
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#pragma pack()
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#define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
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/* Convert mount ptr to ntfsmount ptr. */
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#define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data))
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#define VTONT(v) FTONT(VTOF(v))
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#define VTOF(v) ((struct fnode *)((v)->v_data))
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#define FTOV(f) ((f)->f_vp)
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#define FTONT(f) ((f)->f_ip)
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#define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc))
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#define ntfs_cntob(cn) (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
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#define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
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#define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
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#define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
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#define ntfs_bntob(bn) (daddr_t)((bn) * (ntmp)->ntm_bps)
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#define ntfs_bpbl (daddr_t)((ntmp)->ntm_bps)
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#if __FreeBSD_version >= 300000
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MALLOC_DECLARE(M_NTFSMNT);
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MALLOC_DECLARE(M_NTFSNTNODE);
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MALLOC_DECLARE(M_NTFSFNODE);
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MALLOC_DECLARE(M_NTFSDIR);
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MALLOC_DECLARE(M_NTFSNTHASH);
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#endif
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#if defined(NTFS_DEBUG)
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#define dprintf(a) printf a
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#if NTFS_DEBUG > 1
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#define ddprintf(a) printf a
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#else
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#define ddprintf(a)
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#endif
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#else
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#define dprintf(a)
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#define ddprintf(a)
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#endif
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extern vop_t **ntfs_vnodeop_p;
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