1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
/*
* linux/include/linux/hfs_fs.h
*
* Copyright (C) 1995-1997 Paul H. Hargrove
* This file may be distributed under the terms of the GNU General Public License.
*
* The source code distribution of the Columbia AppleTalk Package for
* UNIX, version 6.0, (CAP) was used as a specification of the
* location and format of files used by CAP's Aufs. No code from CAP
* appears in hfs_fs. hfs_fs is not a work ``derived'' from CAP in
* the sense of intellectual property law.
*
* The source code distributions of Netatalk, versions 1.3.3b2 and
* 1.4b2, were used as a specification of the location and format of
* files used by Netatalk's afpd. No code from Netatalk appears in
* hfs_fs. hfs_fs is not a work ``derived'' from Netatalk in the
* sense of intellectual property law.
*/
#ifndef _LINUX_HFS_FS_H
#define _LINUX_HFS_FS_H
#include <linux/hfs_sysdep.h>
/* magic numbers for Apple Double header files */
#define HFS_DBL_MAGIC 0x00051607
#define HFS_SNGL_MAGIC 0x00051600
#define HFS_HDR_VERSION_1 0x00010000
#define HFS_HDR_VERSION_2 0x00020000
/* magic numbers for various internal structures */
#define HFS_INO_MAGIC 0x4821
#define HFS_SB_MAGIC 0x4822
/* The space used for the AppleDouble or AppleSingle headers */
#define HFS_DBL_HDR_LEN 1024
/* The space used for the Netatalk header */
#define HFS_NAT_HDR_LEN 1024 /* 589 for an exact match */
/* Macros to extract CNID and file "type" from the Linux inode number */
#define HFS_CNID(X) ((X) & 0x3FFFFFFF)
#define HFS_ITYPE(X) ((X) & 0xC0000000)
/* Macros to enumerate types */
#define HFS_ITYPE_TO_INT(X) ((X) >> 30)
#define HFS_INT_TO_ITYPE(X) ((X) << 30)
/* generic ITYPEs */
#define HFS_ITYPE_0 0x00000000
#define HFS_ITYPE_1 0x40000000
#define HFS_ITYPE_2 0x80000000
#define HFS_ITYPE_3 0xC0000000
#define HFS_ITYPE_NORM HFS_ITYPE_0 /* "normal" directory or file */
/* ITYPEs for CAP */
#define HFS_CAP_NORM HFS_ITYPE_0 /* data fork or normal directory */
#define HFS_CAP_DATA HFS_ITYPE_0 /* data fork of file */
#define HFS_CAP_NDIR HFS_ITYPE_0 /* normal directory */
#define HFS_CAP_FNDR HFS_ITYPE_1 /* finder info for file or dir */
#define HFS_CAP_RSRC HFS_ITYPE_2 /* resource fork of file */
#define HFS_CAP_RDIR HFS_ITYPE_2 /* .resource directory */
#define HFS_CAP_FDIR HFS_ITYPE_3 /* .finderinfo directory */
/* ITYPEs for Apple Double */
#define HFS_DBL_NORM HFS_ITYPE_0 /* data fork or directory */
#define HFS_DBL_DATA HFS_ITYPE_0 /* data fork of file */
#define HFS_DBL_DIR HFS_ITYPE_0 /* directory */
#define HFS_DBL_HDR HFS_ITYPE_1 /* AD header of file or dir */
/* ITYPEs for netatalk */
#define HFS_NAT_NORM HFS_ITYPE_0 /* data fork or directory */
#define HFS_NAT_DATA HFS_ITYPE_0 /* data fork of file */
#define HFS_NAT_NDIR HFS_ITYPE_0 /* normal directory */
#define HFS_NAT_HDR HFS_ITYPE_1 /* AD header of file or dir */
#define HFS_NAT_HDIR HFS_ITYPE_2 /* directory holding AD headers */
/* ITYPEs for Apple Single */
#define HFS_SGL_NORM HFS_ITYPE_0 /* AppleSingle file or directory */
#define HFS_SGL_SNGL HFS_ITYPE_0 /* AppleSingle file */
#define HFS_SGL_DIR HFS_ITYPE_0 /* directory */
#define HFS_SGL_DINF HFS_ITYPE_1 /* %DirInfo for directory */
/* IDs for elements of an AppleDouble or AppleSingle header */
#define HFS_HDR_DATA 1 /* data fork */
#define HFS_HDR_RSRC 2 /* resource fork */
#define HFS_HDR_FNAME 3 /* full (31-character) name */
#define HFS_HDR_COMNT 4 /* comment */
#define HFS_HDR_BWICN 5 /* b/w icon */
#define HFS_HDR_CICON 6 /* color icon info */
#define HFS_HDR_OLDI 7 /* old file info */
#define HFS_HDR_DATES 8 /* file dates info */
#define HFS_HDR_FINFO 9 /* Finder info */
#define HFS_HDR_MACI 10 /* Macintosh info */
#define HFS_HDR_PRODOSI 11 /* ProDOS info */
#define HFS_HDR_MSDOSI 12 /* MSDOS info */
#define HFS_HDR_SNAME 13 /* short name */
#define HFS_HDR_AFPI 14 /* AFP file info */
#define HFS_HDR_DID 15 /* directory id */
#define HFS_HDR_MAX 16
/*
* There are three time systems. All three are based on seconds since
* a particular time/date.
* Unix: unsigned lil-endian since 00:00 GMT, Jan. 1, 1970
* mac: unsigned big-endian since 00:00 GMT, Jan. 1, 1904
* header: SIGNED big-endian since 00:00 GMT, Jan. 1, 2000
*
*/
#define hfs_h_to_mtime(ARG) htonl((hfs_s32)ntohl(ARG)+3029529600U)
#define hfs_m_to_htime(ARG) ((hfs_s32)htonl(ntohl(ARG)-3029529600U))
#define hfs_h_to_utime(ARG) ((hfs_s32)hfs_to_utc(ntohl(ARG)+946684800U))
#define hfs_u_to_htime(ARG) ((hfs_s32)htonl(hfs_from_utc(ARG)-946684800U))
#define hfs_u_to_mtime(ARG) htonl(hfs_from_utc(ARG)+2082844800U)
#define hfs_m_to_utime(ARG) (hfs_to_utc(ntohl(ARG)-2082844800U))
/*======== Data structures kept in memory ========*/
/*
* A descriptor for a single entry within the header of an
* AppleDouble or AppleSingle header file.
* An array of these make up a table of contents for the file.
*/
struct hfs_hdr_descr {
hfs_u32 id; /* The Apple assigned ID for the entry type */
hfs_u32 offset; /* The offset to reach the entry */
hfs_u32 length; /* The length of the entry */
};
/*
* The info needed to reconstruct a given header layout
*/
struct hfs_hdr_layout {
hfs_u32 magic; /* AppleSingle or AppleDouble */
hfs_u32 version; /* 0x00010000 or 0x00020000 */
hfs_u16 entries; /* How many entries used */
struct hfs_hdr_descr
descr[HFS_HDR_MAX]; /* Descriptors */
struct hfs_hdr_descr
*order[HFS_HDR_MAX]; /* 'descr' ordered by offset */
};
/* header layout for netatalk's v1 appledouble file format */
struct hfs_nat_hdr {
hfs_lword_t magic;
hfs_lword_t version;
hfs_byte_t homefs[16];
hfs_word_t entries;
hfs_byte_t descrs[12*5];
hfs_byte_t real_name[255]; /* id=3 */
hfs_byte_t comment[200]; /* id=4 XXX: not yet implemented */
hfs_byte_t old_info[16]; /* id=7 */
hfs_u8 finderinfo[32]; /* id=9 */
};
/*
* Default header layout for Netatalk and AppleDouble
*/
struct hfs_dbl_hdr {
hfs_lword_t magic;
hfs_lword_t version;
hfs_byte_t filler[16];
hfs_word_t entries;
hfs_byte_t descrs[12*HFS_HDR_MAX];
hfs_byte_t real_name[255]; /* id=3 */
hfs_byte_t comment[200]; /* id=4 XXX: not yet implemented */
hfs_u32 create_time; /* \ */
hfs_u32 modify_time; /* | id=8 (or 7) */
hfs_u32 backup_time; /* | */
hfs_u32 access_time; /* / (attributes with id=7) */
hfs_u8 finderinfo[32]; /* id=9 */
hfs_u32 fileinfo; /* id=10 */
hfs_u32 cnid; /* id=15 */
hfs_u8 short_name[12]; /* id=13 */
hfs_u8 prodosi[8]; /* id=11 */
};
/* finder metadata for CAP */
struct hfs_cap_info {
hfs_byte_t fi_fndr[32]; /* Finder's info */
hfs_word_t fi_attr; /* AFP attributes (f=file/d=dir) */
#define HFS_AFP_INV 0x001 /* Invisible bit (f/d) */
#define HFS_AFP_EXPFOLDER 0x002 /* exported folder (d) */
#define HFS_AFP_MULTI 0x002 /* Multiuser bit (f) */
#define HFS_AFP_SYS 0x004 /* System bit (f/d) */
#define HFS_AFP_DOPEN 0x008 /* data fork already open (f) */
#define HFS_AFP_MOUNTED 0x008 /* mounted folder (d) */
#define HFS_AFP_ROPEN 0x010 /* resource fork already open (f) */
#define HFS_AFP_INEXPFOLDER 0x010 /* folder in shared area (d) */
#define HFS_AFP_WRI 0x020 /* Write inhibit bit (readonly) (f) */
#define HFS_AFP_BACKUP 0x040 /* backup needed bit (f/d) */
#define HFS_AFP_RNI 0x080 /* Rename inhibit bit (f/d) */
#define HFS_AFP_DEI 0x100 /* Delete inhibit bit (f/d) */
#define HFS_AFP_NOCOPY 0x400 /* Copy protect bit (f) */
#define HFS_AFP_RDONLY ( HFS_AFP_WRI|HFS_AFP_RNI|HFS_AFP_DEI)
hfs_byte_t fi_magic1; /* Magic number: */
#define HFS_CAP_MAGIC1 0xFF
hfs_byte_t fi_version; /* Version of this structure: */
#define HFS_CAP_VERSION 0x10
hfs_byte_t fi_magic; /* Another magic number: */
#define HFS_CAP_MAGIC 0xDA
hfs_byte_t fi_bitmap; /* Bitmap of which names are valid: */
#define HFS_CAP_SHORTNAME 0x01
#define HFS_CAP_LONGNAME 0x02
hfs_byte_t fi_shortfilename[12+1]; /* "short name" (unused) */
hfs_byte_t fi_macfilename[32+1]; /* Original (Macintosh) name */
hfs_byte_t fi_comln; /* Length of comment (always 0) */
hfs_byte_t fi_comnt[200]; /* Finder comment (unused) */
/* optional: used by aufs only if compiled with USE_MAC_DATES */
hfs_byte_t fi_datemagic; /* Magic number for dates extension: */
#define HFS_CAP_DMAGIC 0xDA
hfs_byte_t fi_datevalid; /* Bitmap of which dates are valid: */
#define HFS_CAP_MDATE 0x01
#define HFS_CAP_CDATE 0x02
hfs_lword_t fi_ctime; /* Creation date (in AFP format) */
hfs_lword_t fi_mtime; /* Modify date (in AFP format) */
hfs_lword_t fi_utime; /* Un*x time of last mtime change */
hfs_byte_t pad;
};
#ifdef __KERNEL__
typedef ssize_t hfs_rwret_t;
typedef size_t hfs_rwarg_t;
#include <asm/uaccess.h>
/* Some forward declarations */
struct hfs_fork;
struct hfs_cat_key;
struct hfs_cat_entry;
extern struct hfs_cat_entry *hfs_cat_get(struct hfs_mdb *,
const struct hfs_cat_key *);
/* dir.c */
extern int hfs_create(struct inode *, struct dentry *, int);
extern int hfs_mkdir(struct inode *, struct dentry *, int);
extern int hfs_unlink(struct inode *, struct dentry *);
extern int hfs_rmdir(struct inode *, struct dentry *);
extern int hfs_rename(struct inode *, struct dentry *,
struct inode *, struct dentry *);
/* dir_cap.c */
extern const struct hfs_name hfs_cap_reserved1[];
extern const struct hfs_name hfs_cap_reserved2[];
extern struct inode_operations hfs_cap_ndir_inode_operations;
extern struct inode_operations hfs_cap_fdir_inode_operations;
extern struct inode_operations hfs_cap_rdir_inode_operations;
extern struct file_operations hfs_cap_dir_operations;
extern void hfs_cap_drop_dentry(struct dentry *, const ino_t);
/* dir_dbl.c */
extern const struct hfs_name hfs_dbl_reserved1[];
extern const struct hfs_name hfs_dbl_reserved2[];
extern struct inode_operations hfs_dbl_dir_inode_operations;
extern struct file_operations hfs_dbl_dir_operations;
extern void hfs_dbl_drop_dentry(struct dentry *, const ino_t);
/* dir_nat.c */
extern const struct hfs_name hfs_nat_reserved1[];
extern const struct hfs_name hfs_nat_reserved2[];
extern struct inode_operations hfs_nat_ndir_inode_operations;
extern struct inode_operations hfs_nat_hdir_inode_operations;
extern struct file_operations hfs_nat_dir_operations;
extern void hfs_nat_drop_dentry(struct dentry *, const ino_t);
/* file.c */
extern hfs_s32 hfs_do_read(struct inode *, struct hfs_fork *, hfs_u32,
char *, hfs_u32, int);
extern hfs_s32 hfs_do_write(struct inode *, struct hfs_fork *, hfs_u32,
const char *, hfs_u32);
extern void hfs_file_fix_mode(struct hfs_cat_entry *entry);
extern struct inode_operations hfs_file_inode_operations;
extern struct file_operations hfs_file_operations;
/* file_cap.c */
extern struct inode_operations hfs_cap_info_inode_operations;
extern struct file_operations hfs_cap_info_operations;
/* file_hdr.c */
extern struct inode_operations hfs_hdr_inode_operations;
extern struct file_operations hfs_hdr_operations;
extern const struct hfs_hdr_layout hfs_dbl_fil_hdr_layout;
extern const struct hfs_hdr_layout hfs_dbl_dir_hdr_layout;
extern const struct hfs_hdr_layout hfs_nat_hdr_layout;
extern const struct hfs_hdr_layout hfs_nat2_hdr_layout;
extern const struct hfs_hdr_layout hfs_sngl_hdr_layout;
extern void hdr_truncate(struct inode *,size_t);
/* inode.c */
extern void hfs_put_inode(struct inode *);
extern int hfs_notify_change(struct dentry *, struct iattr *);
extern int hfs_notify_change_cap(struct dentry *, struct iattr *);
extern int hfs_notify_change_hdr(struct dentry *, struct iattr *);
extern struct inode *hfs_iget(struct hfs_cat_entry *, ino_t, struct dentry *);
extern void hfs_cap_ifill(struct inode *, ino_t, const int);
extern void hfs_dbl_ifill(struct inode *, ino_t, const int);
extern void hfs_nat_ifill(struct inode *, ino_t, const int);
extern void hfs_sngl_ifill(struct inode *, ino_t, const int);
/* super.c */
extern struct super_block *hfs_read_super(struct super_block *,void *,int);
/* trans.c */
extern void hfs_colon2mac(struct hfs_name *, const char *, int);
extern void hfs_prcnt2mac(struct hfs_name *, const char *, int);
extern void hfs_triv2mac(struct hfs_name *, const char *, int);
extern void hfs_latin2mac(struct hfs_name *, const char *, int);
extern int hfs_mac2cap(char *, const struct hfs_name *);
extern int hfs_mac2nat(char *, const struct hfs_name *);
extern int hfs_mac2latin(char *, const struct hfs_name *);
extern int hfs_mac2seven(char *, const struct hfs_name *);
extern int hfs_mac2eight(char *, const struct hfs_name *);
extern int hfs_mac2alpha(char *, const struct hfs_name *);
extern int hfs_mac2triv(char *, const struct hfs_name *);
extern void hfs_tolower(unsigned char *, int);
#define HFS_I(X) (&((X)->u.hfs_i))
#define HFS_SB(X) (&((X)->u.hfs_sb))
static inline void hfs_nameout(struct inode *dir, struct hfs_name *out,
const char *in, int len) {
HFS_SB(dir->i_sb)->s_nameout(out, in, len);
}
static inline int hfs_namein(struct inode *dir, char *out,
const struct hfs_name *in) {
int len = HFS_SB(dir->i_sb)->s_namein(out, in);
if (HFS_SB(dir->i_sb)->s_lowercase) {
hfs_tolower(out, len);
}
return len;
}
#endif /* __KERNEL__ */
#endif
|
