1 /*	$NetBSD: ntfs.h,v 1.9 1999/10/31 19:45:26 jdolecek Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998, 1999 Semen Ustimenko
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD: stable/9/sys/fs/ntfs/ntfs.h 232996 2012-03-15 02:46:12Z kevlo $
29  */
30 
31 /*#define NTFS_DEBUG 1*/
32 
33 typedef u_int64_t cn_t;
34 typedef u_int16_t wchar;
35 
36 #pragma pack(1)
37 #define BBSIZE			1024
38 #define	BBOFF			((off_t)(0))
39 #define	BBLOCK			0
40 #define	NTFS_MFTINO		0
41 #define	NTFS_VOLUMEINO		3
42 #define	NTFS_ATTRDEFINO		4
43 #define	NTFS_ROOTINO		5
44 #define	NTFS_BITMAPINO		6
45 #define	NTFS_BOOTINO		7
46 #define	NTFS_BADCLUSINO		8
47 #define	NTFS_UPCASEINO		10
48 #define NTFS_MAXFILENAME	255
49 
50 struct fixuphdr {
51 	u_int32_t       fh_magic;
52 	u_int16_t       fh_foff;
53 	u_int16_t       fh_fnum;
54 };
55 
56 #define NTFS_AF_INRUN	0x00000001
57 struct attrhdr {
58 	u_int32_t       a_type;
59 	u_int32_t       reclen;
60 	u_int8_t        a_flag;
61 	u_int8_t        a_namelen;
62 	u_int8_t        a_nameoff;
63 	u_int8_t        reserved1;
64 	u_int8_t        a_compression;
65 	u_int8_t        reserved2;
66 	u_int16_t       a_index;
67 };
68 #define NTFS_A_STD	0x10
69 #define NTFS_A_ATTRLIST	0x20
70 #define NTFS_A_NAME	0x30
71 #define NTFS_A_VOLUMENAME	0x60
72 #define NTFS_A_DATA	0x80
73 #define	NTFS_A_INDXROOT	0x90
74 #define	NTFS_A_INDX	0xA0
75 #define NTFS_A_INDXBITMAP 0xB0
76 
77 #define NTFS_MAXATTRNAME	255
78 struct attr {
79 	struct attrhdr  a_hdr;
80 	union {
81 		struct {
82 			u_int16_t       a_datalen;
83 			u_int16_t       reserved1;
84 			u_int16_t       a_dataoff;
85 			u_int16_t       a_indexed;
86 		}               a_S_r;
87 		struct {
88 			cn_t            a_vcnstart;
89 			cn_t            a_vcnend;
90 			u_int16_t       a_dataoff;
91 			u_int16_t       a_compressalg;
92 			u_int32_t       reserved1;
93 			u_int64_t       a_allocated;
94 			u_int64_t       a_datalen;
95 			u_int64_t       a_initialized;
96 		}               a_S_nr;
97 	}               a_S;
98 };
99 #define a_r	a_S.a_S_r
100 #define a_nr	a_S.a_S_nr
101 
102 typedef struct {
103 	u_int64_t       t_create;
104 	u_int64_t       t_write;
105 	u_int64_t       t_mftwrite;
106 	u_int64_t       t_access;
107 }               ntfs_times_t;
108 
109 #define NTFS_FFLAG_RDONLY	0x01LL
110 #define NTFS_FFLAG_HIDDEN	0x02LL
111 #define NTFS_FFLAG_SYSTEM	0x04LL
112 #define NTFS_FFLAG_ARCHIVE	0x20LL
113 #define NTFS_FFLAG_COMPRESSED	0x0800LL
114 #define NTFS_FFLAG_DIR		0x10000000LL
115 
116 struct attr_name {
117 	u_int32_t       n_pnumber;	/* Parent ntnode */
118 	u_int32_t       reserved;
119 	ntfs_times_t    n_times;
120 	u_int64_t       n_size;
121 	u_int64_t       n_attrsz;
122 	u_int64_t       n_flag;
123 	u_int8_t        n_namelen;
124 	u_int8_t        n_nametype;
125 	u_int16_t       n_name[1];
126 };
127 
128 #define NTFS_IRFLAG_INDXALLOC	0x00000001
129 struct attr_indexroot {
130 	u_int32_t       ir_unkn1;	/* always 0x30 */
131 	u_int32_t       ir_unkn2;	/* always 0x1 */
132 	u_int32_t       ir_size;/* ??? */
133 	u_int32_t       ir_unkn3;	/* number of cluster */
134 	u_int32_t       ir_unkn4;	/* always 0x10 */
135 	u_int32_t       ir_datalen;	/* sizeof simething */
136 	u_int32_t       ir_allocated;	/* same as above */
137 	u_int16_t       ir_flag;/* ?? always 1 */
138 	u_int16_t       ir_unkn7;
139 };
140 
141 struct attr_attrlist {
142 	u_int32_t       al_type;	/* Attribute type */
143 	u_int16_t       reclen;		/* length of this entry */
144 	u_int8_t        al_namelen;	/* Attribute name len */
145 	u_int8_t        al_nameoff;	/* Name offset from entry start */
146 	u_int64_t       al_vcnstart;	/* VCN number */
147 	u_int32_t       al_inumber;	/* Parent ntnode */
148 	u_int32_t       reserved;
149 	u_int16_t       al_index;	/* Attribute index in MFT record */
150 	u_int16_t       al_name[1];	/* Name */
151 };
152 
153 #define	NTFS_INDXMAGIC	(u_int32_t)(0x58444E49)
154 struct attr_indexalloc {
155 	struct fixuphdr ia_fixup;
156 	u_int64_t       unknown1;
157 	cn_t            ia_bufcn;
158 	u_int16_t       ia_hdrsize;
159 	u_int16_t       unknown2;
160 	u_int32_t       ia_inuse;
161 	u_int32_t       ia_allocated;
162 };
163 
164 #define	NTFS_IEFLAG_SUBNODE	0x00000001
165 #define	NTFS_IEFLAG_LAST	0x00000002
166 
167 struct attr_indexentry {
168 	u_int32_t       ie_number;
169 	u_int32_t       unknown1;
170 	u_int16_t       reclen;
171 	u_int16_t       ie_size;
172 	u_int32_t       ie_flag;/* 1 - has subnodes, 2 - last */
173 	u_int32_t       ie_fpnumber;
174 	u_int32_t       unknown2;
175 	ntfs_times_t    ie_ftimes;
176 	u_int64_t       ie_fallocated;
177 	u_int64_t       ie_fsize;
178 	u_int64_t       ie_fflag;
179 	u_int8_t        ie_fnamelen;
180 	u_int8_t        ie_fnametype;
181 	wchar           ie_fname[NTFS_MAXFILENAME];
182 	/* cn_t		ie_bufcn;	 buffer with subnodes */
183 };
184 
185 #define	NTFS_FILEMAGIC	(u_int32_t)(0x454C4946)
186 #define	NTFS_BLOCK_SIZE	512
187 #define	NTFS_FRFLAG_DIR	0x0002
188 struct filerec {
189 	struct fixuphdr fr_fixup;
190 	u_int8_t        reserved[8];
191 	u_int16_t       fr_seqnum;	/* Sequence number */
192 	u_int16_t       fr_nlink;
193 	u_int16_t       fr_attroff;	/* offset to attributes */
194 	u_int16_t       fr_flags;	/* 1-nonresident attr, 2-directory */
195 	u_int32_t       fr_size;/* hdr + attributes */
196 	u_int32_t       fr_allocated;	/* allocated length of record */
197 	u_int64_t       fr_mainrec;	/* main record */
198 	u_int16_t       fr_attrnum;	/* maximum attr number + 1 ??? */
199 };
200 
201 #define	NTFS_ATTRNAME_MAXLEN	0x40
202 #define	NTFS_ADFLAG_NONRES	0x0080	/* Attrib can be non resident */
203 #define	NTFS_ADFLAG_INDEX	0x0002	/* Attrib can be indexed */
204 struct attrdef {
205 	wchar		ad_name[NTFS_ATTRNAME_MAXLEN];
206 	u_int32_t	ad_type;
207 	u_int32_t	reserved1[2];
208 	u_int32_t	ad_flag;
209 	u_int64_t	ad_minlen;
210 	u_int64_t	ad_maxlen;	/* -1 for nonlimited */
211 };
212 
213 struct ntvattrdef {
214 	char		ad_name[0x40];
215 	int		ad_namelen;
216 	u_int32_t	ad_type;
217 };
218 
219 #define	NTFS_BBID	"NTFS    "
220 #define	NTFS_BBIDLEN	8
221 struct bootfile {
222 	u_int8_t        reserved1[3];	/* asm jmp near ... */
223 	u_int8_t        bf_sysid[8];	/* 'NTFS    ' */
224 	u_int16_t       bf_bps;		/* bytes per sector */
225 	u_int8_t        bf_spc;		/* sectors per cluster */
226 	u_int8_t        reserved2[7];	/* unused (zeroed) */
227 	u_int8_t        bf_media;	/* media desc. (0xF8) */
228 	u_int8_t        reserved3[2];
229 	u_int16_t       bf_spt;		/* sectors per track */
230 	u_int16_t       bf_heads;	/* number of heads */
231 	u_int8_t        reserver4[12];
232 	u_int64_t       bf_spv;		/* sectors per volume */
233 	cn_t            bf_mftcn;	/* $MFT cluster number */
234 	cn_t            bf_mftmirrcn;	/* $MFTMirr cn */
235 	u_int8_t        bf_mftrecsz;	/* MFT record size (clust) */
236 					/* 0xF6 inducates 1/4 */
237 	u_int32_t       bf_ibsz;	/* index buffer size */
238 	u_int32_t       bf_volsn;	/* volume ser. num. */
239 };
240 
241 #define	NTFS_SYSNODESNUM	0x0B
242 struct ntfsmount {
243 	struct mount   *ntm_mountp;	/* filesystem vfs structure */
244 	struct bootfile ntm_bootfile;
245 	struct g_consumer *ntm_cp;
246 	struct bufobj  *ntm_bo;
247 	struct vnode   *ntm_devvp;	/* block device mounted vnode */
248 	struct vnode   *ntm_sysvn[NTFS_SYSNODESNUM];
249 	u_int32_t       ntm_bpmftrec;
250 	uid_t           ntm_uid;
251 	gid_t           ntm_gid;
252 	mode_t          ntm_mode;
253 	uint64_t	ntm_flag;
254 	cn_t		ntm_cfree;
255 	struct ntvattrdef *ntm_ad;
256 	int		ntm_adnum;
257  	wchar *		ntm_82u;	/* 8bit to Unicode */
258  	char **		ntm_u28;	/* Unicode to 8 bit */
259 	void *		ntm_ic_l2u;	/* Local to Unicode (iconv) */
260 	void *		ntm_ic_u2l;	/* Unicode to Local (iconv) */
261 	u_int8_t	ntm_multiplier; /* NTFS blockno to DEV_BSIZE sectorno */
262 };
263 
264 #define ntm_mftcn	ntm_bootfile.bf_mftcn
265 #define ntm_mftmirrcn	ntm_bootfile.bf_mftmirrcn
266 #define	ntm_mftrecsz	ntm_bootfile.bf_mftrecsz
267 #define	ntm_spc		ntm_bootfile.bf_spc
268 #define	ntm_bps		ntm_bootfile.bf_bps
269 
270 #pragma pack()
271 
272 #define	NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
273 
274 /* Convert mount ptr to ntfsmount ptr. */
275 #define VFSTONTFS(mp)	((struct ntfsmount *)((mp)->mnt_data))
276 #define VTONT(v)	FTONT(VTOF(v))
277 #define	VTOF(v)		((struct fnode *)((v)->v_data))
278 #define	FTOV(f)		((f)->f_vp)
279 #define	FTONT(f)	((f)->f_ip)
280 #define ntfs_cntobn(cn)	(daddr_t)((cn) * (ntmp->ntm_spc))
281 #define ntfs_cntob(cn)	(off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
282 #define ntfs_btocn(off)	(cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
283 #define ntfs_btocl(off)	(cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
284 #define ntfs_btocnoff(off)	(off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
285 #define ntfs_bntob(bn)	(daddr_t)((bn) * (ntmp)->ntm_bps)
286 
287 #define	ntfs_bpbl	(daddr_t)((ntmp)->ntm_bps)
288 
289 #ifdef MALLOC_DECLARE
290 MALLOC_DECLARE(M_NTFSNTNODE);
291 MALLOC_DECLARE(M_NTFSFNODE);
292 MALLOC_DECLARE(M_NTFSDIR);
293 MALLOC_DECLARE(M_NTFSNTHASH);
294 #endif
295 
296 #if defined(NTFS_DEBUG)
297 #define dprintf(a) printf a
298 #if NTFS_DEBUG > 1
299 #define ddprintf(a) printf a
300 #else
301 #define ddprintf(a)	(void)0
302 #endif
303 #else
304 #define dprintf(a)	(void)0
305 #define ddprintf(a)	(void)0
306 #endif
307 
308 extern struct vop_vector ntfs_vnodeops;
309