1/* $OpenBSD: ecma167-udf.h,v 1.10 2022/01/11 03:13:59 jsg Exp $ */
2/* $NetBSD: ecma167-udf.h,v 1.10 2008/06/24 15:30:33 reinoud Exp $ */
3
4/*-
5 * Copyright (c) 2003, 2004, 2005, 2006, 2008 Reinoud Zandijk
6 * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 *
31 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the
32 * original by Scott Long.
33 *
34 * 20030508 Made some small typo and explanatory comments
35 * 20030510 Added UDF 2.01 structures
36 * 20030519 Added/correct comments on multi-partitioned logical volume space
37 * 20050616 Added pseudo overwrite
38 * 20050624 Added the missing extended attribute types and `magic values'.
39 * 20051106 Reworked some implementation use parts
40 *
41 */
42
43
44#ifndef _FS_UDF_ECMA167_UDF_H_
45#define _FS_UDF_ECMA167_UDF_H_
46
47
48/* ecma167-udf.h */
49
50/* Volume recognition sequence ECMA 167 rev. 3 16.1 */
51struct vrs_desc {
52 uint8_t struct_type;
53 uint8_t identifier[5];
54 uint8_t version;
55 uint8_t data[2041];
56} __packed;
57
58
59#define VRS_NSR02 "NSR02"
60#define VRS_NSR03 "NSR03"
61#define VRS_BEA01 "BEA01"
62#define VRS_TEA01 "TEA01"
63#define VRS_CD001 "CD001"
64#define VRS_CDW02 "CDW02"
65
66
67/* Structure/definitions/constants a la ECMA 167 rev. 3 */
68
69
70#define MAX_TAGID_VOLUMES 9
71/* Tag identifiers */
72enum {
73 TAGID_SPARING_TABLE = 0,
74 TAGID_PRI_VOL = 1,
75 TAGID_ANCHOR = 2,
76 TAGID_VOL = 3,
77 TAGID_IMP_VOL = 4,
78 TAGID_PARTITION = 5,
79 TAGID_LOGVOL = 6,
80 TAGID_UNALLOC_SPACE = 7,
81 TAGID_TERM = 8,
82 TAGID_LOGVOL_INTEGRITY= 9,
83 TAGID_FSD = 256,
84 TAGID_FID = 257,
85 TAGID_ALLOCEXTENT = 258,
86 TAGID_INDIRECTENTRY = 259,
87 TAGID_ICB_TERM = 260,
88 TAGID_FENTRY = 261,
89 TAGID_EXTATTR_HDR = 262,
90 TAGID_UNALL_SP_ENTRY = 263,
91 TAGID_SPACE_BITMAP = 264,
92 TAGID_PART_INTEGRITY = 265,
93 TAGID_EXTFENTRY = 266,
94 TAGID_MAX = 266
95};
96
97
98enum {
99 UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1,
100 UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2
101};
102
103
104enum {
105 UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */
106 UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* pseudo overwritable, e.g. BD-R's LOW */
107 UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */
108 UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */
109 UDF_ACCESSTYPE_REWRITABLE = 3, /* may need extra work to rewrite */
110 UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; e.g. harddisc*/
111};
112
113
114/* Descriptor tag [3/7.2] */
115struct desc_tag {
116 uint16_t id;
117 uint16_t descriptor_ver;
118 uint8_t cksum;
119 uint8_t reserved;
120 uint16_t serial_num;
121 uint16_t desc_crc;
122 uint16_t desc_crc_len;
123 uint32_t tag_loc;
124} __packed;
125#define UDF_DESC_TAG_LENGTH 16
126
127
128/* Recorded Address [4/7.1] */
129struct lb_addr { /* within partition space */
130 uint32_t lb_num;
131 uint16_t part_num;
132} __packed;
133
134
135/* Extent Descriptor [3/7.1] */
136struct extent_ad {
137 uint32_t len;
138 uint32_t loc;
139} __packed;
140
141
142/* Short Allocation Descriptor [4/14.14.1] */
143struct short_ad {
144 uint32_t len;
145 uint32_t lb_num;
146} __packed;
147
148
149/* Long Allocation Descriptor [4/14.14.2] */
150struct UDF_ADImp_use {
151 uint16_t flags;
152 uint32_t unique_id;
153} __packed;
154#define UDF_ADIMP_FLAGS_EXTENT_ERASED 1
155
156
157struct long_ad {
158 uint32_t len;
159 struct lb_addr loc; /* within a logical volume mapped partition space !! */
160 union {
161 uint8_t bytes[6];
162 struct UDF_ADImp_use im_used;
163 } __packed impl;
164} __packed;
165#define longad_uniqueid impl.im_used.unique_id
166
167
168/* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */
169struct ext_ad {
170 uint32_t ex_len;
171 uint32_t rec_len;
172 uint32_t inf_len;
173 struct lb_addr ex_loc;
174 uint8_t reserved[2];
175} __packed;
176
177
178/* ICB : Information Control Block; positioning */
179union icb {
180 struct short_ad s_ad;
181 struct long_ad l_ad;
182 struct ext_ad e_ad;
183} __packed;
184
185
186/* short/long/ext extent have flags encoded in length */
187#define UDF_EXT_ALLOCATED (0<<30)
188#define UDF_EXT_FREED (1<<30)
189#define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30)
190#define UDF_EXT_FREE (2<<30)
191#define UDF_EXT_REDIRECT (3<<30)
192#define UDF_EXT_FLAGS(len) ((len) & (3<<30))
193#define UDF_EXT_LEN(len) ((len) & ((1<<30)-1))
194#define UDF_EXT_MAXLEN ((1<<30)-1)
195
196
197/* Character set spec [1/7.2.1] */
198struct charspec {
199 uint8_t type;
200 uint8_t inf[63];
201} __packed;
202
203
204struct pathcomp {
205 uint8_t type;
206 uint8_t l_ci;
207 uint16_t comp_filever;
208 uint8_t ident[256];
209} __packed;
210#define UDF_PATH_COMP_SIZE 4
211#define UDF_PATH_COMP_RESERVED 0
212#define UDF_PATH_COMP_ROOT 1
213#define UDF_PATH_COMP_MOUNTROOT 2
214#define UDF_PATH_COMP_PARENTDIR 3
215#define UDF_PATH_COMP_CURDIR 4
216#define UDF_PATH_COMP_NAME 5
217
218
219/* Timestamp [1/7.3] */
220struct timestamp {
221 uint16_t type_tz;
222 uint16_t year;
223 uint8_t month;
224 uint8_t day;
225 uint8_t hour;
226 uint8_t minute;
227 uint8_t second;
228 uint8_t centisec;
229 uint8_t hund_usec;
230 uint8_t usec;
231} __packed;
232#define UDF_TIMESTAMP_SIZE 12
233
234
235/* Entity Identifier [1/7.4] */
236#define UDF_REGID_ID_SIZE 23
237struct regid {
238 uint8_t flags;
239 uint8_t id[UDF_REGID_ID_SIZE];
240 uint8_t id_suffix[8];
241} __packed;
242
243
244/* ICB Tag [4/14.6] */
245struct icb_tag {
246 uint32_t prev_num_dirs;
247 uint16_t strat_type;
248 uint8_t strat_param[2];
249 uint16_t max_num_entries;
250 uint8_t reserved;
251 uint8_t file_type;
252 struct lb_addr parent_icb;
253 uint16_t flags;
254} __packed;
255#define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03
256#define UDF_ICB_SHORT_ALLOC 0x00
257#define UDF_ICB_LONG_ALLOC 0x01
258#define UDF_ICB_EXT_ALLOC 0x02
259#define UDF_ICB_INTERN_ALLOC 0x03
260
261#define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3)
262#define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4)
263#define UDF_ICB_TAG_FLAGS_CONTIGUOUS (1<< 9)
264#define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12)
265
266#define UDF_ICB_TAG_FLAGS_SETUID (1<< 6)
267#define UDF_ICB_TAG_FLAGS_SETGID (1<< 7)
268#define UDF_ICB_TAG_FLAGS_STICKY (1<< 8)
269
270#define UDF_ICB_FILETYPE_UNKNOWN 0
271#define UDF_ICB_FILETYPE_UNALLOCSPACE 1
272#define UDF_ICB_FILETYPE_PARTINTEGRITY 2
273#define UDF_ICB_FILETYPE_INDIRECTENTRY 3
274#define UDF_ICB_FILETYPE_DIRECTORY 4
275#define UDF_ICB_FILETYPE_RANDOMACCESS 5
276#define UDF_ICB_FILETYPE_BLOCKDEVICE 6
277#define UDF_ICB_FILETYPE_CHARDEVICE 7
278#define UDF_ICB_FILETYPE_EXTATTRREC 8
279#define UDF_ICB_FILETYPE_FIFO 9
280#define UDF_ICB_FILETYPE_SOCKET 10
281#define UDF_ICB_FILETYPE_TERM 11
282#define UDF_ICB_FILETYPE_SYMLINK 12
283#define UDF_ICB_FILETYPE_STREAMDIR 13
284#define UDF_ICB_FILETYPE_VAT 248
285#define UDF_ICB_FILETYPE_REALTIME 249
286#define UDF_ICB_FILETYPE_META_MAIN 250
287#define UDF_ICB_FILETYPE_META_MIRROR 251
288
289
290/* Anchor Volume Descriptor Pointer [3/10.2] */
291struct anchor_vdp {
292 struct desc_tag tag;
293 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */
294 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */
295} __packed;
296
297
298/* Volume Descriptor Pointer [3/10.3] */
299struct vol_desc_ptr {
300 struct desc_tag tag; /* use for extending the volume descriptor space */
301 uint32_t vds_number;
302 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */
303} __packed;
304
305
306/* Primary Volume Descriptor [3/10.1] */
307struct pri_vol_desc {
308 struct desc_tag tag;
309 uint32_t seq_num; /* MAX prevail */
310 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occur once */
311 char vol_id[32]; /* KEY ; main identifier of this disc */
312 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */
313 uint16_t max_vol_seq; /* maximum volume descriptor number known */
314 uint16_t ichg_lvl;
315 uint16_t max_ichg_lvl;
316 uint32_t charset_list;
317 uint32_t max_charset_list;
318 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */
319 struct charspec desc_charset; /* KEY according to ECMA 167 */
320 struct charspec explanatory_charset;
321 struct extent_ad vol_abstract;
322 struct extent_ad vol_copyright;
323 struct regid app_id;
324 struct timestamp time;
325 struct regid imp_id;
326 uint8_t imp_use[64];
327 uint32_t prev_vds_loc; /* location of predecessor _lov ? */
328 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningful */
329 uint8_t reserved[22];
330} __packed;
331
332
333/* UDF specific implementation use part of the implementation use volume descriptor */
334struct udf_lv_info {
335 struct charspec lvi_charset;
336 char logvol_id[128];
337
338 char lvinfo1[36];
339 char lvinfo2[36];
340 char lvinfo3[36];
341
342 struct regid impl_id;
343 uint8_t impl_use[128];
344} __packed;
345
346
347/* Implementation use Volume Descriptor */
348struct impvol_desc {
349 struct desc_tag tag;
350 uint32_t seq_num;
351 struct regid impl_id;
352 union {
353 struct udf_lv_info lv_info;
354 char impl_use[460];
355 } __packed _impl_use;
356} __packed;
357
358
359/* Logical Volume Descriptor [3/10.6] */
360struct logvol_desc {
361 struct desc_tag tag;
362 uint32_t seq_num; /* MAX prevail */
363 struct charspec desc_charset; /* KEY */
364 char logvol_id[128]; /* KEY */
365 uint32_t lb_size;
366 struct regid domain_id;
367 union {
368 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */
369 uint8_t logvol_content_use[16];
370 } __packed _lvd_use;
371 uint32_t mt_l; /* Partition map length */
372 uint32_t n_pm; /* Number of partition maps */
373 struct regid imp_id;
374 uint8_t imp_use[128];
375 struct extent_ad integrity_seq_loc;
376 uint8_t maps[1];
377} __packed;
378#define lv_fsd_loc _lvd_use.fsd_loc
379
380#define UDF_INTEGRITY_OPEN 0
381#define UDF_INTEGRITY_CLOSED 1
382
383
384#define UDF_PMAP_SIZE 64
385
386/* Type 1 Partition Map [3/10.7.2] */
387struct part_map_1 {
388 uint8_t type;
389 uint8_t len;
390 uint16_t vol_seq_num;
391 uint16_t part_num;
392} __packed;
393
394
395/* Type 2 Partition Map [3/10.7.3] */
396struct part_map_2 {
397 uint8_t type;
398 uint8_t len;
399 uint8_t reserved[2];
400 struct regid part_id;
401 uint16_t vol_seq_num;
402 uint16_t part_num;
403 uint8_t reserved2[24];
404} __packed;
405
406
407/* Virtual Partition Map [UDF 2.01/2.2.8] */
408struct part_map_virt {
409 uint8_t type;
410 uint8_t len;
411 uint8_t reserved[2];
412 struct regid id;
413 uint16_t vol_seq_num;
414 uint16_t part_num;
415 uint8_t reserved1[24];
416} __packed;
417
418
419/* Sparable Partition Map [UDF 2.01/2.2.9] */
420struct part_map_spare {
421 uint8_t type;
422 uint8_t len;
423 uint8_t reserved[2];
424 struct regid id;
425 uint16_t vol_seq_num;
426 uint16_t part_num;
427 uint16_t packet_len;
428 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */
429 uint8_t reserved1;
430 uint32_t st_size; /* size of EACH sparing table */
431 uint32_t st_loc[1]; /* locations of sparing tables */
432} __packed;
433
434
435/* Metadata Partition Map [UDF 2.50/2.2.10] */
436struct part_map_meta {
437 uint8_t type;
438 uint8_t len;
439 uint8_t reserved[2];
440 struct regid id;
441 uint16_t vol_seq_num;
442 uint16_t part_num;
443 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */
444 uint32_t meta_mirror_file_lbn;
445 uint32_t meta_bitmap_file_lbn;
446 uint32_t alloc_unit_size; /* allocation unit size in blocks */
447 uint16_t alignment_unit_size; /* alignment necessary in blocks */
448 uint8_t flags;
449 uint8_t reserved1[5];
450} __packed;
451#define METADATA_DUPLICATED 1
452
453
454union udf_pmap {
455 uint8_t data[UDF_PMAP_SIZE];
456 struct part_map_1 pm1;
457 struct part_map_2 pm2;
458 struct part_map_virt pmv;
459 struct part_map_spare pms;
460 struct part_map_meta pmm;
461} __packed;
462
463
464/* Sparing Map Entry [UDF 2.01/2.2.11] */
465struct spare_map_entry {
466 uint32_t org; /* partition relative address */
467 uint32_t map; /* absolute disc address (!) can be in partition, but doesn't have to be */
468} __packed;
469
470
471/* Sparing Table [UDF 2.01/2.2.11] */
472struct udf_sparing_table {
473 struct desc_tag tag;
474 struct regid id;
475 uint16_t rt_l; /* Relocation Table len */
476 uint8_t reserved[2];
477 uint32_t seq_num;
478 struct spare_map_entry entries[1];
479} __packed;
480
481
482#define UDF_NO_PREV_VAT 0xffffffff
483/* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */
484struct udf_oldvat_tail {
485 struct regid id; /* "*UDF Virtual Alloc Tbl" */
486 uint32_t prev_vat;
487} __packed;
488
489
490/* VAT table [UDF 2.0.1/2.2.10] */
491struct udf_vat {
492 uint16_t header_len;
493 uint16_t impl_use_len;
494 char logvol_id[128]; /* newer version of the LVD one */
495 uint32_t prev_vat;
496 uint32_t num_files;
497 uint32_t num_directories;
498 uint16_t min_udf_readver;
499 uint16_t min_udf_writever;
500 uint16_t max_udf_writever;
501 uint16_t reserved;
502 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */
503} __packed;
504
505
506/* Space bitmap descriptor as found in the partition header descriptor */
507struct space_bitmap_desc {
508 struct desc_tag tag; /* TagId 264 */
509 uint32_t num_bits; /* number of bits */
510 uint32_t num_bytes; /* bytes that contain it */
511 uint8_t data[1];
512} __packed;
513
514
515/* Unalloc space entry as found in the partition header descriptor */
516struct space_entry_desc {
517 struct desc_tag tag; /* TagId 263 */
518 struct icb_tag icbtag; /* type 1 */
519 uint32_t l_ad; /* in bytes */
520 uint8_t entry[1];
521} __packed;
522
523
524/* Partition header descriptor; in the contents_use of part_desc */
525struct part_hdr_desc {
526 struct short_ad unalloc_space_table;
527 struct short_ad unalloc_space_bitmap;
528 struct short_ad part_integrity_table; /* has to be ZERO for UDF */
529 struct short_ad freed_space_table;
530 struct short_ad freed_space_bitmap;
531 uint8_t reserved[88];
532} __packed;
533
534
535/* Partition Descriptor [3/10.5] */
536struct part_desc {
537 struct desc_tag tag;
538 uint32_t seq_num; /* MAX prevailing */
539 uint16_t flags; /* bit 0 : if set the space is allocated */
540 uint16_t part_num; /* KEY */
541 struct regid contents;
542 union {
543 struct part_hdr_desc part_hdr;
544 uint8_t contents_use[128];
545 } _impl_use;
546 uint32_t access_type; /* R/W, WORM etc. */
547 uint32_t start_loc; /* start of partition with given length */
548 uint32_t part_len;
549 struct regid imp_id;
550 uint8_t imp_use[128];
551 uint8_t reserved[156];
552} __packed;
553#define pd_part_hdr _impl_use.part_hdr
554#define UDF_PART_FLAG_ALLOCATED 1
555
556
557/* Unallocated Space Descriptor (UDF 2.01/2.2.5) */
558struct unalloc_sp_desc {
559 struct desc_tag tag;
560 uint32_t seq_num; /* MAX prevailing */
561 uint32_t alloc_desc_num;
562 struct extent_ad alloc_desc[1];
563} __packed;
564
565
566/* Logical Volume Integrity Descriptor [3/30.10] */
567struct logvolhdr {
568 uint64_t next_unique_id;
569 /* rest reserved */
570} __packed;
571
572
573struct udf_logvol_info {
574 struct regid impl_id;
575 uint32_t num_files;
576 uint32_t num_directories;
577 uint16_t min_udf_readver;
578 uint16_t min_udf_writever;
579 uint16_t max_udf_writever;
580} __packed;
581
582
583struct logvol_int_desc {
584 struct desc_tag tag;
585 struct timestamp time;
586 uint32_t integrity_type;
587 struct extent_ad next_extent;
588 union {
589 struct logvolhdr logvolhdr;
590 int8_t reserved[32];
591 } __packed _impl_use;
592 uint32_t num_part;
593 uint32_t l_iu;
594 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */
595} __packed;
596#define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id
597
598
599/* File Set Descriptor [4/14.1] */
600struct fileset_desc {
601 struct desc_tag tag;
602 struct timestamp time;
603 uint16_t ichg_lvl;
604 uint16_t max_ichg_lvl;
605 uint32_t charset_list;
606 uint32_t max_charset_list;
607 uint32_t fileset_num; /* key! */
608 uint32_t fileset_desc_num;
609 struct charspec logvol_id_charset;
610 char logvol_id[128]; /* for recovery */
611 struct charspec fileset_charset;
612 char fileset_id[32]; /* Mountpoint !! */
613 char copyright_file_id[32];
614 char abstract_file_id[32];
615 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */
616 struct regid domain_id;
617 struct long_ad next_ex; /* to the next fileset_desc extent */
618 struct long_ad streamdir_icb; /* streamdir; needed? */
619 uint8_t reserved[32];
620} __packed;
621
622
623/* File Identifier Descriptor [4/14.4] */
624struct fileid_desc {
625 struct desc_tag tag;
626 uint16_t file_version_num;
627 uint8_t file_char;
628 uint8_t l_fi; /* Length of file identifier area */
629 struct long_ad icb;
630 uint16_t l_iu; /* Length of implementation use area */
631 uint8_t data[0];
632} __packed;
633#define UDF_FID_SIZE 38
634#define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */
635#define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */
636#define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */
637#define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */
638#define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */
639
640
641/* Extended attributes [4/14.10.1] */
642struct extattrhdr_desc {
643 struct desc_tag tag;
644 uint32_t impl_attr_loc; /* offsets within this descriptor */
645 uint32_t appl_attr_loc; /* ditto */
646} __packed;
647#define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff
648#define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff
649
650
651/* Extended attribute entry [4/48.10.2] */
652struct extattr_entry {
653 uint32_t type;
654 uint8_t subtype;
655 uint8_t reserved[3];
656 uint32_t a_l;
657} __packed;
658
659
660/* Extended attribute entry; type 2048 [4/48.10.8] */
661struct impl_extattr_entry {
662 struct extattr_entry hdr;
663 uint32_t iu_l;
664 struct regid imp_id;
665 uint8_t data[1];
666} __packed;
667
668
669/* Extended attribute entry; type 65 536 [4/48.10.9] */
670struct appl_extattr_entry {
671 struct extattr_entry hdr;
672 uint32_t au_l;
673 struct regid appl_id;
674 uint8_t data[1];
675} __packed;
676
677
678/* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */
679struct filetimes_extattr_entry {
680 struct extattr_entry hdr;
681 uint32_t d_l; /* length of times[] data following */
682 uint32_t existence; /* bitmask */
683 struct timestamp times[1]; /* in order of ascending bits */
684} __packed;
685#define UDF_FILETIMES_ATTR_NO 5
686#define UDF_FILETIMES_FILE_CREATION 1
687#define UDF_FILETIMES_FILE_DELETION 4
688#define UDF_FILETIMES_FILE_EFFECTIVE 8
689#define UDF_FILETIMES_FILE_BACKUPED 16
690#define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp))
691
692
693/* Device Specification Extended Attribute [4/4.10.7] */
694struct device_extattr_entry {
695 struct extattr_entry hdr;
696 uint32_t iu_l; /* length of implementation use */
697 uint32_t major;
698 uint32_t minor;
699 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */
700} __packed;
701#define UDF_DEVICESPEC_ATTR_NO 12
702
703
704/* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */
705struct vatlvext_extattr_entry {
706 uint64_t unique_id_chk; /* needs to be copy of ICB's */
707 uint32_t num_files;
708 uint32_t num_directories;
709 char logvol_id[128]; /* replaces logvol name */
710} __packed;
711
712
713/* File Entry [4/14.9] */
714struct file_entry {
715 struct desc_tag tag;
716 struct icb_tag icbtag;
717 uint32_t uid;
718 uint32_t gid;
719 uint32_t perm;
720 uint16_t link_cnt;
721 uint8_t rec_format;
722 uint8_t rec_disp_attr;
723 uint32_t rec_len;
724 uint64_t inf_len;
725 uint64_t logblks_rec;
726 struct timestamp atime;
727 struct timestamp mtime;
728 struct timestamp attrtime;
729 uint32_t ckpoint;
730 struct long_ad ex_attr_icb;
731 struct regid imp_id;
732 uint64_t unique_id;
733 uint32_t l_ea; /* Length of extended attribute area */
734 uint32_t l_ad; /* Length of allocation descriptors */
735 uint8_t data[1];
736} __packed;
737#define UDF_FENTRY_SIZE 176
738#define UDF_FENTRY_PERM_USER_MASK 0x07
739#define UDF_FENTRY_PERM_GRP_MASK 0xE0
740#define UDF_FENTRY_PERM_OWNER_MASK 0x1C00
741
742
743/* Extended File Entry [4/48.17] */
744struct extfile_entry {
745 struct desc_tag tag;
746 struct icb_tag icbtag;
747 uint32_t uid;
748 uint32_t gid;
749 uint32_t perm;
750 uint16_t link_cnt;
751 uint8_t rec_format;
752 uint8_t rec_disp_attr;
753 uint32_t rec_len;
754 uint64_t inf_len;
755 uint64_t obj_size;
756 uint64_t logblks_rec;
757 struct timestamp atime;
758 struct timestamp mtime;
759 struct timestamp ctime;
760 struct timestamp attrtime;
761 uint32_t ckpoint;
762 uint32_t reserved1;
763 struct long_ad ex_attr_icb;
764 struct long_ad streamdir_icb;
765 struct regid imp_id;
766 uint64_t unique_id;
767 uint32_t l_ea; /* Length of extended attribute area */
768 uint32_t l_ad; /* Length of allocation descriptors */
769 uint8_t data[1];
770} __packed;
771#define UDF_EXTFENTRY_SIZE 216
772
773
774/* Indirect entry [ecma 48.7] */
775struct indirect_entry {
776 struct desc_tag tag;
777 struct icb_tag icbtag;
778 struct long_ad indirect_icb;
779} __packed;
780
781
782/* Allocation extent descriptor [ecma 48.5] */
783struct alloc_ext_entry {
784 struct desc_tag tag;
785 uint32_t prev_entry;
786 uint32_t l_ad;
787 uint8_t data[1];
788} __packed;
789
790
791union dscrptr {
792 struct desc_tag tag;
793 struct anchor_vdp avdp;
794 struct vol_desc_ptr vdp;
795 struct pri_vol_desc pvd;
796 struct logvol_desc lvd;
797 struct unalloc_sp_desc usd;
798 struct logvol_int_desc lvid;
799 struct impvol_desc ivd;
800 struct part_desc pd;
801 struct fileset_desc fsd;
802 struct fileid_desc fid;
803 struct file_entry fe;
804 struct extfile_entry efe;
805 struct extattrhdr_desc eahd;
806 struct indirect_entry inde;
807 struct alloc_ext_entry aee;
808 struct udf_sparing_table spt;
809 struct space_bitmap_desc sbd;
810 struct space_entry_desc sed;
811} __packed;
812
813/* Useful defines */
814
815#define GETICB(ad_type, fentry, offset) \
816 (struct ad_type *)&fentry->data[offset]
817
818#define GETICBLEN(ad_type, icb) letoh32(((struct ad_type *)(icb))->len)
819
820#endif /* !_FS_UDF_ECMA167_UDF_H_ */