/* $OpenBSD: ntfs.h,v 1.16 2013/06/11 16:42:17 deraadt Exp $ */ /* $NetBSD: ntfs.h,v 1.5 2003/04/24 07:50:19 christos Exp $ */ /*- * Copyright (c) 1998, 1999 Semen Ustimenko * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Id: ntfs.h,v 1.5 1999/05/12 09:42:51 semenu Exp */ /*#define NTFS_DEBUG 1*/ typedef u_int64_t cn_t; typedef u_int16_t wchar; #define BBSIZE 1024 #define BBOFF ((off_t)(0)) #define BBLOCK 0 #define NTFS_MFTINO 0 #define NTFS_VOLUMEINO 3 #define NTFS_ATTRDEFINO 4 #define NTFS_ROOTINO 5 #define NTFS_BITMAPINO 6 #define NTFS_BOOTINO 7 #define NTFS_BADCLUSINO 8 #define NTFS_UPCASEINO 10 #define NTFS_MAXFILENAME 255 /* * UFS directories use 32bit inode numbers internally, regardless * of what the system on top of it uses. */ typedef u_int32_t ntfsino_t; struct fixuphdr { u_int32_t fh_magic; u_int16_t fh_foff; u_int16_t fh_fnum; } __packed; #define NTFS_AF_INRUN 0x00000001 struct attrhdr { u_int32_t a_type; u_int32_t reclen; u_int8_t a_flag; u_int8_t a_namelen; u_int8_t a_nameoff; u_int8_t reserved1; u_int8_t a_compression; u_int8_t reserved2; u_int16_t a_index; } __packed; #define NTFS_A_STD 0x10 #define NTFS_A_ATTRLIST 0x20 #define NTFS_A_NAME 0x30 #define NTFS_A_VOLUMENAME 0x60 #define NTFS_A_DATA 0x80 #define NTFS_A_INDXROOT 0x90 #define NTFS_A_INDX 0xA0 #define NTFS_A_INDXBITMAP 0xB0 #define NTFS_MAXATTRNAME 255 struct attr { struct attrhdr a_hdr; union { struct { u_int16_t a_datalen; u_int16_t reserved1; u_int16_t a_dataoff; u_int16_t a_indexed; } __packed a_S_r; struct { cn_t a_vcnstart; cn_t a_vcnend; u_int16_t a_dataoff; u_int16_t a_compressalg; u_int32_t reserved1; u_int64_t a_allocated; u_int64_t a_datalen; u_int64_t a_initialized; } __packed a_S_nr; } a_S; } __packed; #define a_r a_S.a_S_r #define a_nr a_S.a_S_nr typedef struct { u_int64_t t_create; u_int64_t t_write; u_int64_t t_mftwrite; u_int64_t t_access; } __packed ntfs_times_t; #define NTFS_FFLAG_RDONLY 0x01LL #define NTFS_FFLAG_HIDDEN 0x02LL #define NTFS_FFLAG_SYSTEM 0x04LL #define NTFS_FFLAG_ARCHIVE 0x20LL #define NTFS_FFLAG_COMPRESSED 0x0800LL #define NTFS_FFLAG_DIR 0x10000000LL struct attr_name { u_int32_t n_pnumber; /* Parent ntnode */ u_int32_t reserved; ntfs_times_t n_times; u_int64_t n_size; u_int64_t n_attrsz; u_int64_t n_flag; u_int8_t n_namelen; u_int8_t n_nametype; u_int16_t n_name[1]; } __packed; #define NTFS_IRFLAG_INDXALLOC 0x00000001 struct attr_indexroot { u_int32_t ir_unkn1; /* always 0x30 */ u_int32_t ir_unkn2; /* always 0x1 */ u_int32_t ir_size;/* ??? */ u_int32_t ir_unkn3; /* number of cluster */ u_int32_t ir_unkn4; /* always 0x10 */ u_int32_t ir_datalen; /* sizeof something */ u_int32_t ir_allocated; /* same as above */ u_int16_t ir_flag;/* ?? always 1 */ u_int16_t ir_unkn7; } __packed; struct attr_attrlist { u_int32_t al_type; /* Attribute type */ u_int16_t reclen; /* length of this entry */ u_int8_t al_namelen; /* Attribute name len */ u_int8_t al_nameoff; /* Name offset from entry start */ u_int64_t al_vcnstart; /* VCN number */ u_int32_t al_inumber; /* Parent ntnode */ u_int32_t reserved; u_int16_t al_index; /* Attribute index in MFT record */ u_int16_t al_name[1]; /* Name */ } __packed; #define NTFS_INDXMAGIC (u_int32_t)(0x58444E49) struct attr_indexalloc { struct fixuphdr ia_fixup; u_int64_t unknown1; cn_t ia_bufcn; u_int16_t ia_hdrsize; u_int16_t unknown2; u_int32_t ia_inuse; u_int32_t ia_allocated; } __packed; #define NTFS_IEFLAG_SUBNODE 0x00000001 #define NTFS_IEFLAG_LAST 0x00000002 struct attr_indexentry { u_int32_t ie_number; u_int32_t unknown1; u_int16_t reclen; u_int16_t ie_size; u_int32_t ie_flag;/* 1 - has subnodes, 2 - last */ u_int32_t ie_fpnumber; u_int32_t unknown2; ntfs_times_t ie_ftimes; u_int64_t ie_fallocated; u_int64_t ie_fsize; u_int64_t ie_fflag; u_int8_t ie_fnamelen; u_int8_t ie_fnametype; wchar ie_fname[NTFS_MAXFILENAME]; /* cn_t ie_bufcn; buffer with subnodes */ } __packed; #define NTFS_FILEMAGIC (u_int32_t)(0x454C4946) #define NTFS_FRFLAG_DIR 0x0002 struct filerec { struct fixuphdr fr_fixup; u_int8_t reserved[8]; u_int16_t fr_seqnum; /* Sequence number */ u_int16_t fr_nlink; u_int16_t fr_attroff; /* offset to attributes */ u_int16_t fr_flags; /* 1-nonresident attr, 2-directory */ u_int32_t fr_size;/* hdr + attributes */ u_int32_t fr_allocated; /* allocated length of record */ u_int64_t fr_mainrec; /* main record */ u_int16_t fr_attrnum; /* maximum attr number + 1 ??? */ } __packed; #define NTFS_ATTRNAME_MAXLEN 0x40 #define NTFS_ADFLAG_NONRES 0x0080 /* Attrib can be non resident */ #define NTFS_ADFLAG_INDEX 0x0002 /* Attrib can be indexed */ struct attrdef { wchar ad_name[NTFS_ATTRNAME_MAXLEN]; u_int32_t ad_type; u_int32_t reserved1[2]; u_int32_t ad_flag; u_int64_t ad_minlen; u_int64_t ad_maxlen; /* -1 for nonlimited */ } __packed; struct ntvattrdef { char ad_name[0x40]; int ad_namelen; u_int32_t ad_type; } __packed; #define NTFS_BBID "NTFS " #define NTFS_BBIDLEN 8 struct bootfile { u_int8_t reserved1[3]; /* asm jmp near ... */ u_int8_t bf_sysid[8]; /* 'NTFS ' */ u_int16_t bf_bps; /* bytes per sector */ u_int8_t bf_spc; /* sectors per cluster */ u_int8_t reserved2[7]; /* unused (zeroed) */ u_int8_t bf_media; /* media desc. (0xF8) */ u_int8_t reserved3[2]; u_int16_t bf_spt; /* sectors per track */ u_int16_t bf_heads; /* number of heads */ u_int8_t reserver4[12]; u_int64_t bf_spv; /* sectors per volume */ cn_t bf_mftcn; /* $MFT cluster number */ cn_t bf_mftmirrcn; /* $MFTMirr cn */ u_int8_t bf_mftrecsz; /* MFT record size (clust) */ /* 0xF6 inducates 1/4 */ u_int32_t bf_ibsz; /* index buffer size */ u_int32_t bf_volsn; /* volume ser. num. */ } __packed; typedef wchar (ntfs_wget_func_t)(const char **); typedef int (ntfs_wput_func_t)(char *, size_t, wchar); typedef int (ntfs_wcmp_func_t)(wchar, wchar); /* * Maximum number of ntnodes to keep in memory. We do not want to leave * large data structures hanging off vnodes indefinitely and the data * needed to reload the ntnode should already be in the buffer cache. */ #define LOADED_NTNODE_HI 16 struct ntnode; TAILQ_HEAD(ntnodeq, ntnode); #define NTFS_SYSNODESNUM 0x0B struct ntfsmount { struct mount *ntm_mountp; /* filesystem vfs structure */ struct bootfile ntm_bootfile; dev_t ntm_dev; /* device mounted */ struct vnode *ntm_devvp; /* block device mounted vnode */ struct vnode *ntm_sysvn[NTFS_SYSNODESNUM]; u_int32_t ntm_bpmftrec; uid_t ntm_uid; gid_t ntm_gid; mode_t ntm_mode; u_long ntm_flag; cn_t ntm_cfree; struct ntvattrdef *ntm_ad; int ntm_adnum; struct netexport ntm_export; /* export information */ ntfs_wget_func_t *ntm_wget; /* decode string to Unicode string */ ntfs_wput_func_t *ntm_wput; /* encode Unicode string to string */ ntfs_wcmp_func_t *ntm_wcmp; /* compare to wide characters */ int ntm_ntnodes; /* Number of loaded ntnodes. */ struct ntnodeq ntm_ntnodeq; /* Queue of ntnodes (LRU). */ }; #define ntm_mftcn ntm_bootfile.bf_mftcn #define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn #define ntm_mftrecsz ntm_bootfile.bf_mftrecsz #define ntm_spc ntm_bootfile.bf_spc #define ntm_bps ntm_bootfile.bf_bps #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen)) /* Convert mount ptr to ntfsmount ptr. */ #define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data)) #define VTONT(v) FTONT(VTOF(v)) #define VTOF(v) ((struct fnode *)((v)->v_data)) #define FTOV(f) ((f)->f_vp) #define FTONT(f) ((f)->f_ip) #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc)) #define ntfs_cntob(cn) (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps) #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) #define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) #define ntfs_bntob(bn) (int32_t)((bn) * (ntmp)->ntm_bps) #ifdef _KERNEL #if defined(NTFS_DEBUG) extern int ntfs_debug; #define DPRINTF(X, Y) do { if(ntfs_debug >= (X)) printf Y; } while(0) #define dprintf(a) DPRINTF(1, a) #define ddprintf(a) DPRINTF(2, a) #else /* NTFS_DEBUG */ #define DPRINTF(X, Y) #define dprintf(a) #define ddprintf(a) #endif extern struct vops ntfs_vops; #endif