iso9660.h@ 67790

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1	/* $Id: iso9660.h 67790 2017-07-05 11:24:53Z vboxsync $ */
2	/** @file
3	* IPRT, ISO 9660 File System
4	*/
5
6	/*
7	* Copyright (C) 2017 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27	#ifndef ___iprt_formats_iso9660_h
28	#define ___iprt_formats_iso9660_h
29
30	#include <iprt/types.h>
31	#include <iprt/assert.h>
32
33
34	/** @defgroup grp_rt_formats_iso9660 ISO 9660 structures and definitions
35	* @ingroup grp_rt_formats
36	* @{
37	*/
38
39
40	/** The (default) logical sectors size of ISO 9660. */
41	#define ISO9660_SECTOR_SIZE 2048
42	/** The (default) sector offset mask of ISO 9660. */
43	#define ISO9660_SECTOR_OFFSET_MASK 2047
44	/** Maximum filename length (level 2 & 3). */
45	#define ISO9660_MAX_NAME_LEN 30
46
47
48	/** Accessor for ISO9660U16 and ISO9660U32 that retrievs the member value for
49	* the host endianess. */
50	#ifdef RT_BIG_ENDIAN
51	# define ISO9660_GET_ENDIAN(a_pInt) ((a_pInt)->be)
52	#else
53	# define ISO9660_GET_ENDIAN(a_pInt) ((a_pInt)->le)
54	#endif
55
56
57	/**
58	* ISO 9660 16-bit unsigned integer type.
59	*/
60	typedef struct ISO9660U16
61	{
62	/** Little endian. */
63	uint16_t le;
64	/** Big endian. */
65	uint16_t be;
66	} ISO9660U16;
67	/** Pointer to an ISO 9660 16-bit unsigned integer type. */
68	typedef ISO9660U16 *PISO9660U16;
69	/** Pointer to a const ISO 9660 16-bit unsigned integer type. */
70	typedef ISO9660U16 const *PCISO9660U16;
71
72	/** ISO 9660 big endian 16-bit unsigned integer. */
73	typedef uint16_t ISO9660U16BE;
74
75
76	/**
77	* ISO 9660 32-bit unsigned integer type.
78	*/
79	typedef struct ISO9660U32
80	{
81	/** Little endian. */
82	uint32_t le;
83	/** Big endian. */
84	uint32_t be;
85	} ISO9660U32;
86	/** Pointer to an ISO 9660 32-bit unsigned integer type. */
87	typedef ISO9660U32 *PISO9660U32;
88	/** Pointer to a const ISO 9660 32-bit unsigned integer type. */
89	typedef ISO9660U32 const *PCISO9660U32;
90
91	/** ISO 9660 little endian 32-bit unsigned integer. */
92	typedef uint32_t ISO9660U32LE;
93	/** ISO 9660 big endian 32-bit unsigned integer. */
94	typedef uint32_t ISO9660U32BE;
95
96	/**
97	* ISO 9660 timestamp (date & time).
98	*/
99	typedef struct ISO9660TIMESTAMP
100	{
101	/** 0x00: For digit year (0001-9999). */
102	char achYear[4];
103	/** 0x04: Month of the year (01-12). */
104	char achMonth[2];
105	/** 0x06: Day of month (01-31). */
106	char achDay[2];
107	/** 0x08: Hour of day (00-23). */
108	char achHour[2];
109	/** 0x0a: Minute of hour (00-59). */
110	char achMinute[2];
111	/** 0x0c: Second of minute (00-59). */
112	char achSecond[2];
113	/** 0x0e: Hundreth of second (00-99). */
114	char achCentisecond[2];
115	/** 0x10: The UTC (GMT) offset in 15 min units. */
116	int8_t offUtc;
117	} ISO9660TIMESTAMP;
118	AssertCompileSize(ISO9660TIMESTAMP, 17);
119	/** Pointer to an ISO 9660 timestamp. */
120	typedef ISO9660TIMESTAMP *PISO9660TIMESTAMP;
121	/** Pointer to a const ISO 9660 timestamp. */
122	typedef ISO9660TIMESTAMP const *PCISO9660TIMESTAMP;
123
124	/**
125	* ISO 9660 record timestamp (date & time).
126	*/
127	typedef struct ISO9660RECTIMESTAMP
128	{
129	/** 0: Years since 1900. */
130	uint8_t bYear;
131	/** 1: Month of year (1-12). */
132	uint8_t bMonth;
133	/** 2: Day of month (1-31). */
134	uint8_t bDay;
135	/** 3: Hour of day (0-23). */
136	uint8_t bHour;
137	/** 4: Minute of hour (0-59). */
138	uint8_t bMinute;
139	/** 5: Second of minute (0-59). */
140	uint8_t bSecond;
141	/** 6: The UTC (GMT) offset in 15 min units. */
142	int8_t offUtc;
143	} ISO9660RECTIMESTAMP;
144	AssertCompileSize(ISO9660RECTIMESTAMP, 7);
145	/** Pointer to an ISO 9660 record timestamp. */
146	typedef ISO9660RECTIMESTAMP *PISO9660RECTIMESTAMP;
147	/** Pointer to a const ISO 9660 record timestamp. */
148	typedef ISO9660RECTIMESTAMP const *PCISO9660RECTIMESTAMP;
149
150
151	/**
152	* ISO 9660 directory record.
153	*/
154	#pragma pack(1)
155	typedef struct ISO9660DIRREC
156	{
157	/** 0x00: Length of this record in bytes. */
158	uint8_t cbDirRec;
159	/** 0x01: Extended attribute record length in logical blocks. */
160	uint8_t cExtAttrBlocks;
161	/** 0x02: Location of extent (logical block number).
162	* @note Misaligned. */
163	ISO9660U32 offExtent;
164	/** 0x0a: Size of the data (file section). Does not include EAs.
165	* @note Misaligned. */
166	ISO9660U32 cbData;
167	/** 0x12: Recording time and date. */
168	ISO9660RECTIMESTAMP RecTime;
169	/** 0x19: File flags (ISO9660_FILE_FLAGS_XXX). */
170	uint8_t fFileFlags;
171	/** 0x1a: File unit size for interlaved mode. */
172	uint8_t bFileUnitSize;
173	/** 0x1b: Interlave gap size. */
174	uint8_t bInterleaveGapSize;
175	/** 0x1c: Volume sequence number where the extent resides. */
176	ISO9660U16 VolumeSeqNo;
177	/** 0x20: Length of file identifier field. */
178	uint8_t bFileIdLength;
179	/** 0x21: File identifier (d-characters or d1-characters). */
180	char achFileId[1];
181	/* There are more fields following:
182	* - one byte optional padding so the following field is at an even boundrary.
183	* - system use field until cbDirRec is reached.
184	*/
185	} ISO9660DIRREC;
186	#pragma pack()
187	AssertCompileMemberOffset(ISO9660DIRREC, offExtent, 0x02);
188	AssertCompileMemberOffset(ISO9660DIRREC, cbData, 0x0a);
189	AssertCompileMemberOffset(ISO9660DIRREC, RecTime, 0x12);
190	AssertCompileMemberOffset(ISO9660DIRREC, fFileFlags, 0x19);
191	AssertCompileMemberOffset(ISO9660DIRREC, bFileIdLength, 0x20);
192	AssertCompileMemberOffset(ISO9660DIRREC, achFileId, 0x21);
193	/** Pointer to an ISO 9660 directory record. */
194	typedef ISO9660DIRREC *PISO9660DIRREC;
195	/** Pointer to a const ISO 9660 directory record. */
196	typedef ISO9660DIRREC const *PCISO9660DIRREC;
197
198	/** @name ISO9660_FILE_FLAGS_XXX
199	* @{ */
200	/** Existence - Hide the file from the user. */
201	#define ISO9660_FILE_FLAGS_HIDDEN UINT8_C(0x01)
202	/** Directory - Indicates a directory as apposed to a regular file (0). */
203	#define ISO9660_FILE_FLAGS_DIRECTORY UINT8_C(0x02)
204	/** Assocated File - Indicates that the file is an associated file. */
205	#define ISO9660_FILE_FLAGS_ASSOCIATED_FILE UINT8_C(0x04)
206	/** Record - Indicates specified file content record format (see EAs). */
207	#define ISO9660_FILE_FLAGS_RECORD UINT8_C(0x08)
208	/** Protection - Indicates owner/group or permission protection in EAs. */
209	#define ISO9660_FILE_FLAGS_PROTECTION UINT8_C(0x10)
210	/** Reserved bit, MBZ. */
211	#define ISO9660_FILE_FLAGS_RESERVED_5 UINT8_C(0x20)
212	/** Reserved bit, MBZ. */
213	#define ISO9660_FILE_FLAGS_RESERVED_6 UINT8_C(0x40)
214	/** Multi-extend - Indicates that this isn't the final record for the file.
215	* @remarks Use for working around 4 GiB file size limitation. */
216	#define ISO9660_FILE_FLAGS_MULTI_EXTENT UINT8_C(0x80)
217	/** @} */
218
219
220	/**
221	* ISO 9660 path table record.
222	*/
223	#pragma pack(1)
224	typedef struct ISO9660PATHREC
225	{
226	/** 0x00: Length of the achDirId field in bytes. */
227	uint8_t cbDirId;
228	/** 0x01: Extended attribute record length in bytes? */
229	uint8_t cbExtAttr;
230	/** 0x02: Location of extent (logical block number).
231	* @note Endianess depends on table.
232	* @note Misaligned. */
233	uint32_t offExtent;
234	/** 0x06: Parent directory number.
235	* @note Endianess depends on table. */
236	uint16_t idParentRec;
237	/** 0x08: Directory identifier (d-characters or d1-characters). */
238	char achDirId[RT_FLEXIBLE_ARRAY];
239	/* There will be a zero padding byte following if the directory identifier length is odd. */
240	} ISO9660PATHREC;
241	#pragma pack()
242	AssertCompileMemberOffset(ISO9660PATHREC, cbExtAttr, 0x01);
243	AssertCompileMemberOffset(ISO9660PATHREC, offExtent, 0x02);
244	AssertCompileMemberOffset(ISO9660PATHREC, idParentRec, 0x06);
245	AssertCompileMemberOffset(ISO9660PATHREC, achDirId, 0x08);
246	/** Pointer to an ISO 9660 path table record. */
247	typedef ISO9660PATHREC *PISO9660PATHREC;
248	/** Pointer to a const ISO 9660 path table record. */
249	typedef ISO9660PATHREC const *PCISO9660PATHREC;
250
251
252	/**
253	* ISO 9660 extended attribute record.
254	*/
255	typedef struct ISO9660EXATTRREC
256	{
257	/** 0x000: The owener ID. */
258	ISO9660U16 idOwner;
259	/** 0x004: The owener ID. */
260	ISO9660U16 idGroup;
261	/** 0x008: File permissions (ISO9660_PERM_XXX). */
262	ISO9660U16BE fPermissions;
263	/** 0x00a: File creation timestamp. */
264	ISO9660TIMESTAMP BirthTimestamp;
265	/** 0x01b: File modification timestamp. */
266	ISO9660TIMESTAMP ModifyTimestamp;
267	/** 0x02c: File expiration timestamp. */
268	ISO9660TIMESTAMP ExpireTimestamp;
269	/** 0x03d: File effective timestamp. */
270	ISO9660TIMESTAMP EffectiveTimestamp;
271	/** 0x04e: Record format. */
272	uint8_t bRecordFormat;
273	/** 0x04f: Record attributes. */
274	uint8_t fRecordAttrib;
275	/** 0x050: Record length. */
276	ISO9660U16 RecordLength;
277	/** 0x054: System identifier (a-characters or a1-characters). */
278	char achSystemId[0x20];
279	/** 0x074: System specific bytes. */
280	uint8_t abSystemUse[64];
281	/** 0x0b4: Extended attribute record version (ISO9660EXATTRREC_VERSION). */
282	uint8_t bExtRecVersion;
283	/** 0x0b5: Length of escape sequences. */
284	uint8_t cbEscapeSequences;
285	/** 0x0b6: Reserved for the future, MBZ. */
286	uint8_t abReserved183[64];
287	/** 0x0f6: Length of the application use field. */
288	ISO9660U16 cbAppUse;
289	/** 0x0fa: Variable sized application use field. */
290	uint8_t abAppUse[RT_FLEXIBLE_ARRAY];
291	/* This is followed by escape sequences with length given by cbEscapeSequnces. */
292	} ISO9660EXATTRREC;
293	AssertCompileMemberOffset(ISO9660EXATTRREC, EffectiveTimestamp, 0x03d);
294	AssertCompileMemberOffset(ISO9660EXATTRREC, cbAppUse, 0x0f6);
295
296	/** The ISO9660EXATTRREC::bExtRecVersion value. */
297	#define ISO9660EXATTRREC_VERSION UINT8_C(0x01)
298
299	/** @name ISO9660_PERM_XXX - ISO9660EXATTRREC::fPermissions
300	* @{ */
301	/** @todo figure out this wird permission stuff... */
302	/** @} */
303
304
305	/**
306	* ISO 9660 volume descriptor header.
307	*/
308	typedef struct ISO9660VOLDESCHDR
309	{
310	/** Descriptor type ISO9660VOLDESC_TYPE_XXX. */
311	uint8_t bDescType;
312	/** Standard identifier 'CD001' */
313	uint8_t achStdId[5];
314	/** The descriptor version. */
315	uint8_t bDescVersion;
316	/* (This is followed by the descriptor specific data). */
317	} ISO9660VOLDESCHDR;
318	AssertCompileSize(ISO9660VOLDESCHDR, 7);
319	/** Pointer to a volume descriptor header. */
320	typedef ISO9660VOLDESCHDR *PISO9660VOLDESCHDR;
321	/** Pointer to a const volume descriptor header. */
322	typedef ISO9660VOLDESCHDR const *PCISO9660VOLDESCHDR;
323
324	/** @name ISO9660VOLDESC_TYPE_XXX - volume descriptor types
325	* @{ */
326	/** See ISO9660BOOTRECORD. */
327	#define ISO9660VOLDESC_TYPE_BOOT_RECORD UINT8_C(0x00)
328	/** See ISO9660PRIMARYVOLDESC. */
329	#define ISO9660VOLDESC_TYPE_PRIMARY UINT8_C(0x01)
330	/** See ISO9660SUPVOLDESC. */
331	#define ISO9660VOLDESC_TYPE_SUPPLEMENTARY UINT8_C(0x02)
332	/** See ISO9660VOLPARTDESC. */
333	#define ISO9660VOLDESC_TYPE_PARTITION UINT8_C(0x03)
334	/** Terminates the volume descriptor set. Has no data (zeros), version is 1. */
335	#define ISO9660VOLDESC_TYPE_TERMINATOR UINT8_C(0xff)
336	/** @} */
337
338	/** The value of ISO9660VOLDESCHDR::achStdId */
339	#define ISO9660VOLDESC_STD_ID "CD001"
340	#define ISO9660VOLDESC_STD_ID_0 'C'
341	#define ISO9660VOLDESC_STD_ID_1 'D'
342	#define ISO9660VOLDESC_STD_ID_2 '0'
343	#define ISO9660VOLDESC_STD_ID_3 '0'
344	#define ISO9660VOLDESC_STD_ID_4 '1'
345
346
347
348	/**
349	* ISO 9660 boot record (volume descriptor).
350	*/
351	typedef struct ISO9660BOOTRECORD
352	{
353	/** The volume descriptor header.
354	* Type is ISO9660VOLDESC_TYPE_BOOT_RECORD and version
355	* ISO9660BOOTRECORD_VERSION. */
356	ISO9660VOLDESCHDR Hdr;
357	/** Boot system identifier string (a-characters). */
358	char achBootSystemId[32];
359	/** Boot identifier (a-characters). */
360	char achBootId[32];
361	/** Boot system specific content. */
362	uint8_t abBootSystemSpecific[1977];
363	} ISO9660BOOTRECORD;
364	AssertCompileSize(ISO9660BOOTRECORD, ISO9660_SECTOR_SIZE);
365	/** Pointer to an ISO 9660 boot record. */
366	typedef ISO9660BOOTRECORD *PISO9660BOOTRECORD;
367	/** Pointer to a const ISO 9660 boot record. */
368	typedef ISO9660BOOTRECORD const *PCISO9660BOOTRECORD;
369
370	/** The value of ISO9660BOOTRECORD::Hdr.uDescVersion. */
371	#define ISO9660BOOTRECORD_VERSION UINT8_C(1)
372
373
374	/**
375	* ISO 9660 boot record (volume descriptor), El Torito variant.
376	*/
377	#pragma pack(1)
378	typedef struct ISO9660BOOTRECORDELTORITO
379	{
380	/** 0x000: The volume descriptor header.
381	* Type is ISO9660VOLDESC_TYPE_BOOT_RECORD and version
382	* ISO9660BOOTRECORD_VERSION. */
383	ISO9660VOLDESCHDR Hdr;
384	/** 0x007: Boot system identifier string,
385	* zero padded ISO9660BOOTRECORDELTORITO_BOOT_SYSTEM_ID. */
386	char achBootSystemId[32];
387	/** 0x027: Boot identifier - all zeros. */
388	char achBootId[32];
389	/** 0x047: Boot catalog location (block offset), always (?) little endian.
390	* @note Misaligned. */
391	uint32_t offBootCatalog;
392	/** 0x04b: Unused - all zeros. */
393	uint8_t abBootSystemSpecific[1973];
394	} ISO9660BOOTRECORDELTORITO;
395	#pragma pack()
396	AssertCompileSize(ISO9660BOOTRECORDELTORITO, ISO9660_SECTOR_SIZE);
397	/** Pointer to an ISO 9660 El Torito boot record. */
398	typedef ISO9660BOOTRECORDELTORITO *PISO9660BOOTRECORDELTORITO;
399	/** Pointer to a const ISO 9660 El Torito boot record. */
400	typedef ISO9660BOOTRECORDELTORITO const *PCISO9660BOOTRECORDELTORITO;
401
402	/** The value of ISO9660BOOTRECORDELTORITO::achBootSystemId (zero padded). */
403	#define ISO9660BOOTRECORDELTORITO_BOOT_SYSTEM_ID "EL TORITO SPECIFICATION"
404
405
406	/**
407	* ISO 9660 primary volume descriptor.
408	*/
409	typedef struct ISO9660PRIMARYVOLDESC
410	{
411	/** 0x000: The volume descriptor header.
412	* Type is ISO9660VOLDESC_TYPE_PRIMARY and version
413	* ISO9660PRIMARYVOLDESC_VERSION. */
414	ISO9660VOLDESCHDR Hdr;
415	/** 0x007: Explicit alignment zero padding. */
416	uint8_t bPadding8;
417	/** 0x008: System identifier (a-characters). */
418	char achSystemId[32];
419	/** 0x028: Volume identifier (d-characters). */
420	char achVolumeId[32];
421	/** 0x048: Unused field, zero filled. */
422	ISO9660U32 Unused73;
423	/** 0x050: Volume space size in logical blocks (cbLogicalBlock). */
424	ISO9660U32 VolumeSpaceSize;
425	/** 0x058: Unused field(s), zero filled. */
426	uint8_t abUnused89[32];
427	/** 0x078: The number of volumes in the volume set. */
428	ISO9660U16 cVolumesInSet;
429	/** 0x07c: Volume sequence number. */
430	ISO9660U16 VolumeSeqNo;
431	/** 0x080: Logical block size in bytes. */
432	ISO9660U16 cbLogicalBlock;
433	/** 0x084: Path table size. */
434	ISO9660U32 cbPathTable;
435	/** 0x08c: Type L(ittle endian) path table location (block offset). */
436	ISO9660U32LE offTypeLPathTable;
437	/** 0x090: Optional type L(ittle endian) path table location (block offset). */
438	ISO9660U32LE offOptionalTypeLPathTable;
439	/** 0x094: Type M (big endian) path table location (block offset). */
440	ISO9660U32BE offTypeMPathTable;
441	/** 0x098: Optional type M (big endian) path table location (block offset). */
442	ISO9660U32BE offOptionalTypeMPathTable;
443	/** 0x09c: Directory entry for the root directory (union). */
444	union
445	{
446	uint8_t ab[34];
447	ISO9660DIRREC DirRec;
448	} RootDir;
449	/** 0x0be: Volume set identifier (d-characters). */
450	char achVolumeSetId[128];
451	/** 0x13e: Publisher identifier (a-characters). Alternatively, it may refere to
452	* a file in the root dir if it starts with 0x5f and restricts itself to 8
453	* d-characters. */
454	char achPublisherId[128];
455	/** 0x1be: Data preparer identifier (a-characters).
456	* Same file reference alternative as previous field. */
457	char achDataPreparerId[128];
458	/** 0x23e: Application identifier (a-characters).
459	* Same file reference alternative as previous field. */
460	char achApplicationId[128];
461	/** 0x2be: Copyright (root) file identifier (d-characters).
462	* All spaces if none. */
463	char achCopyrightFileId[37];
464	/** 0x2e3: Abstract (root) file identifier (d-characters).
465	* All spaces if none. */
466	char achAbstractFileId[37];
467	/** 0x308: Bibliographic file identifier (d-characters).
468	* All spaces if none. */
469	char achBibliographicFileId[37];
470	/** 0x32d: Volume creation date and time. */
471	ISO9660TIMESTAMP BirthTime;
472	/** 0x33e: Volume modification date and time. */
473	ISO9660TIMESTAMP ModifyTime;
474	/** 0x34f: Volume (data) expiration date and time.
475	* If not specified, don't regard data as obsolete. */
476	ISO9660TIMESTAMP ExpireTime;
477	/** 0x360: Volume (data) effective date and time.
478	* If not specified, info can be used immediately. */
479	ISO9660TIMESTAMP EffectiveTime;
480	/** 0x371: File structure version (ISO9660_FILE_STRUCTURE_VERSION). */
481	uint8_t bFileStructureVersion;
482	/** 0x372: Reserve for future, MBZ. */
483	uint8_t bReserved883;
484	/** 0x373: Reserve for future, MBZ. */
485	uint8_t abAppUse[512];
486	/** 0x573: Reserved for future standardization, MBZ. */
487	uint8_t abReserved1396[653];
488	} ISO9660PRIMARYVOLDESC;
489	AssertCompileSize(ISO9660PRIMARYVOLDESC, ISO9660_SECTOR_SIZE);
490	/** Pointer to a ISO 9660 primary volume descriptor. */
491	typedef ISO9660PRIMARYVOLDESC *PISO9660PRIMARYVOLDESC;
492	/** Pointer to a const ISO 9660 primary volume descriptor. */
493	typedef ISO9660PRIMARYVOLDESC const *PCISO9660PRIMARYVOLDESC;
494
495	/** The value of ISO9660PRIMARYVOLDESC::Hdr.uDescVersion. */
496	#define ISO9660PRIMARYVOLDESC_VERSION UINT8_C(1)
497	/** The value of ISO9660PRIMARYVOLDESC::bFileStructureVersion and
498	* ISO9660SUPVOLDESC::bFileStructureVersion. */
499	#define ISO9660_FILE_STRUCTURE_VERSION UINT8_C(1)
500
501
502
503	/**
504	* ISO 9660 supplementary volume descriptor.
505	*
506	* This is in the large parts identicial to the primary descriptor, except it
507	* have a few more fields where the primary one has reserved spaces.
508	*/
509	typedef struct ISO9660SUPVOLDESC
510	{
511	/** 0x000: The volume descriptor header.
512	* Type is ISO9660VOLDESC_TYPE_SUPPLEMENTARY and version
513	* ISO9660SUPVOLDESC_VERSION. */
514	ISO9660VOLDESCHDR Hdr;
515	/** 0x007: Volume flags (ISO9660SUPVOLDESC_VOL_F_XXX).
516	* @note This is reserved in the primary volume descriptor. */
517	uint8_t fVolumeFlags;
518	/** 0x008: System identifier (a1-characters) of system that can act upon
519	* sectors 0 thru 15.
520	* @note Purpose differs from primary description. */
521	char achSystemId[32];
522	/** 0x028: Volume identifier (d1-characters).
523	* @note Character set differs from primary description. */
524	char achVolumeId[32];
525	/** 0x048: Unused field, zero filled. */
526	ISO9660U32 Unused73;
527	/** 0x050: Volume space size in logical blocks (cbLogicalBlock). */
528	ISO9660U32 VolumeSpaceSize;
529	/** 0x058: Escape sequences.
530	* Complicated stuff, see ISO 2022 and ECMA-35.
531	* @note This is reserved in the primary volume descriptor. */
532	uint8_t abEscapeSequences[32];
533	/** 0x078: The number of volumes in the volume set. */
534	ISO9660U16 cVolumesInSet;
535	/** 0x07c: Volume sequence number. */
536	ISO9660U16 VolumeSeqNo;
537	/** 0x080: Logical block size in bytes. */
538	ISO9660U16 cbLogicalBlock;
539	/** 0x084: Path table size. */
540	ISO9660U32 cbPathTable;
541	/** 0x08c: Type L(ittle endian) path table location (block offset). */
542	ISO9660U32LE offTypeLPathTable;
543	/** 0x090: Optional type L(ittle endian) path table location (block offset). */
544	ISO9660U32LE offOptionalTypeLPathTable;
545	/** 0x094: Type M (big endian) path table location (block offset). */
546	ISO9660U32BE offTypeMPathTable;
547	/** 0x098: Optional type M (big endian) path table location (block offset). */
548	ISO9660U32BE offOptionalTypeMPathTable;
549	/** 0x09c: Directory entry for the root directory (union). */
550	union
551	{
552	uint8_t ab[34];
553	ISO9660DIRREC DirRec;
554	} RootDir;
555	/** 0x0be: Volume set identifier (d1-characters).
556	* @note Character set differs from primary description. */
557	char achVolumeSetId[128];
558	/** 0x13e: Publisher identifier (a1-characters). Alternatively, it may refere
559	* to a file in the root dir if it starts with 0x5f and restricts itself to 8
560	* d1-characters.
561	* @note Character set differs from primary description. */
562	char achPublisherId[128];
563	/** 0x1be: Data preparer identifier (a1-characters).
564	* Same file reference alternative as previous field.
565	* @note Character set differs from primary description. */
566	char achDataPreparerId[128];
567	/** 0x23e: Application identifier (a1-characters).
568	* Same file reference alternative as previous field.
569	* @note Character set differs from primary description. */
570	char achApplicationId[128];
571	/** 0x2be: Copyright (root) file identifier (d1-characters).
572	* All spaces if none.
573	* @note Character set differs from primary description. */
574	char achCopyrightFileId[37];
575	/** 0x2e3: Abstract (root) file identifier (d1-characters).
576	* All spaces if none.
577	* @note Character set differs from primary description. */
578	char achAbstractFileId[37];
579	/** 0x308: Bibliographic file identifier (d1-characters).
580	* All spaces if none.
581	* @note Character set differs from primary description. */
582	char achBibliographicFileId[37];
583	/** 0x32d: Volume creation date and time. */
584	ISO9660TIMESTAMP BirthTime;
585	/** 0x33e: Volume modification date and time. */
586	ISO9660TIMESTAMP ModifyTime;
587	/** 0x34f: Volume (data) expiration date and time.
588	* If not specified, don't regard data as obsolete. */
589	ISO9660TIMESTAMP ExpireTime;
590	/** 0x360: Volume (data) effective date and time.
591	* If not specified, info can be used immediately. */
592	ISO9660TIMESTAMP EffectiveTime;
593	/** 0x371: File structure version (ISO9660_FILE_STRUCTURE_VERSION). */
594	uint8_t bFileStructureVersion;
595	/** 0x372: Reserve for future, MBZ. */
596	uint8_t bReserved883;
597	/** 0x373: Reserve for future, MBZ. */
598	uint8_t abAppUse[512];
599	/** 0x573: Reserved for future standardization, MBZ. */
600	uint8_t abReserved1396[653];
601	} ISO9660SUPVOLDESC;
602	AssertCompileSize(ISO9660SUPVOLDESC, ISO9660_SECTOR_SIZE);
603	/** Pointer to a ISO 9660 supplementary volume descriptor. */
604	typedef ISO9660SUPVOLDESC *PISO9660SUPVOLDESC;
605	/** Pointer to a const ISO 9660 supplementary volume descriptor. */
606	typedef ISO9660SUPVOLDESC const *PCISO9660SUPVOLDESC;
607	/** The value of ISO9660SUPVOLDESC::Hdr.uDescVersion. */
608	#define ISO9660SUPVOLDESC_VERSION UINT8_C(1)
609
610	/** @name ISO9660SUPVOLDESC_VOL_F_XXX - ISO9660SUPVOLDESC::fVolumeFlags
611	* @{ */
612	#define ISO9660SUPVOLDESC_VOL_F_ESC_ONLY_REG UINT8_C(0x00)
613	#define ISO9660SUPVOLDESC_VOL_F_ESC_NOT_REG UINT8_C(0x01)
614	/** @} */
615
616
617
618	/**
619	* ISO 9660 volume partition descriptor.
620	*/
621	typedef struct ISO9660VOLPARTDESC
622	{
623	/** 0x000: The volume descriptor header.
624	* Type is ISO9660VOLDESC_TYPE_PARTITION and version
625	* ISO9660VOLPARTDESC_VERSION. */
626	ISO9660VOLDESCHDR Hdr;
627	/** 0x007: Alignment padding. */
628	uint8_t bPadding8;
629	/** 0x008: System identifier (a-characters). */
630	char achSystemId[32];
631	/** 0x028: Volume partition identifier (d-characters). */
632	char achVolumePartitionId[32];
633	/** 0x048: The location of the partition (logical block number). */
634	ISO9660U32 offVolumePartition;
635	/** 0x050: The partition size in logical blocks (cbLogicalBlock). */
636	ISO9660U32 VolumePartitionSize;
637	/** 0x058: System specific data. */
638	uint8_t achSystemUse[1960];
639	} ISO9660VOLPARTDESC;
640	AssertCompileSize(ISO9660VOLPARTDESC, ISO9660_SECTOR_SIZE);
641	/** Pointer to an ISO 9660 volume partition description. */
642	typedef ISO9660VOLPARTDESC *PISO9660VOLPARTDESC;
643	/** Pointer to a const ISO 9660 volume partition description. */
644	typedef ISO9660VOLPARTDESC const *PCISO9660VOLPARTDESC;
645	/** The value of ISO9660VOLPARTDESC::Hdr.uDescVersion. */
646	#define ISO9660VOLPARTDESC_VERSION UINT8_C(1)
647
648
649
650	/** @name Joliet escape sequence identifiers.
651	*
652	* These bytes appears in the supplementary volume descriptor field
653	* abEscapeSequences. The ISO9660SUPVOLDESC_VOL_F_ESC_NOT_REG flags will not
654	* be set.
655	*
656	* @{ */
657	#define ISO9660_JOLIET_ESC_SEQ_0 UINT8_C(0x25) /*< First escape sequence byte./
658	#define ISO9660_JOLIET_ESC_SEQ_1 UINT8_C(0x2f) /*< Second escape sequence byte./
659	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_1 UINT8_C(0x40) /*< Third escape sequence byte: level 1 /
660	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_2 UINT8_C(0x43) /*< Third escape sequence byte: level 2 /
661	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_3 UINT8_C(0x45) /*< Third escape sequence byte: level 3 /
662	/** @} */
663
664
665	/** The size of an El Torito boot catalog entry. */
666	#define ISO9660_ELTORITO_ENTRY_SIZE UINT32_C(0x20)
667
668	/**
669	* El Torito boot catalog: Validation entry.
670	*
671	* This is the first entry in the boot catalog. It is followed by a
672	* ISO9660ELTORITODEFAULTENTRY, which in turn is followed by a
673	* ISO9660ELTORITOSECTIONHEADER.
674	*/
675	typedef struct ISO9660ELTORITOVALIDATIONENTRY
676	{
677	/** 0x00: The header ID (ISO9660_ELTORITO_HEADER_ID_VALIDATION_ENTRY). */
678	uint8_t bHeaderId;
679	/** 0x01: The platform ID (ISO9660_ELTORITO_PLATFORM_ID_XXX). */
680	uint8_t bPlatformId;
681	/** 0x02: Reserved, MBZ. */
682	uint16_t u16Reserved;
683	/** 0x04: String ID of the developer of the CD/DVD-ROM. */
684	char achId[24];
685	/** 0x1c: The checksum. */
686	uint16_t u16Checksum;
687	/** 0x1e: Key byte 1 (ISO9660_ELTORITO_KEY_BYTE_1). */
688	uint8_t bKey1;
689	/** 0x1f: Key byte 2 (ISO9660_ELTORITO_KEY_BYTE_2). */
690	uint8_t bKey2;
691	} ISO9660ELTORITOVALIDATIONENTRY;
692	AssertCompileSize(ISO9660ELTORITOVALIDATIONENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
693	/** Pointer to an El Torito validation entry. */
694	typedef ISO9660ELTORITOVALIDATIONENTRY *PISO9660ELTORITOVALIDATIONENTRY;
695	/** Pointer to a const El Torito validation entry. */
696	typedef ISO9660ELTORITOVALIDATIONENTRY const *PCISO9660ELTORITOVALIDATIONENTRY;
697
698	/** ISO9660ELTORITOVALIDATIONENTRY::bKey1 value. */
699	#define ISO9660_ELTORITO_KEY_BYTE_1 UINT8_C(0x55)
700	/** ISO9660ELTORITOVALIDATIONENTRY::bKey2 value. */
701	#define ISO9660_ELTORITO_KEY_BYTE_2 UINT8_C(0xaa)
702
703
704	/** @name ISO9660_ELTORITO_HEADER_ID_XXX - header IDs.
705	* @{ */
706	/** Header ID for a ISO9660ELTORITOVALIDATIONENTRY. */
707	#define ISO9660_ELTORITO_HEADER_ID_VALIDATION_ENTRY UINT8_C(0x01)
708	/** Header ID for a ISO9660ELTORITOSECTIONHEADER. */
709	#define ISO9660_ELTORITO_HEADER_ID_SECTION_HEADER UINT8_C(0x90)
710	/** Header ID for the final ISO9660ELTORITOSECTIONHEADER. */
711	#define ISO9660_ELTORITO_HEADER_ID_FINAL_SECTION_HEADER UINT8_C(0x91)
712	/** @} */
713
714
715	/** @name ISO9660_ELTORITO_PLATFORM_ID_XXX - El Torito Platform IDs
716	* @{ */
717	#define ISO9660_ELTORITO_PLATFORM_ID_X86 UINT8_C(0x00) /*< 80x86 /
718	#define ISO9660_ELTORITO_PLATFORM_ID_PPC UINT8_C(0x01) /*< PowerPC /
719	#define ISO9660_ELTORITO_PLATFORM_ID_MAC UINT8_C(0x02) /*< Mac /
720	#define ISO9660_ELTORITO_PLATFORM_ID_EFI UINT8_C(0xef) /*< UEFI /
721	/** @} */
722
723
724	/**
725	* El Torito boot catalog: Section header entry.
726	*
727	* A non-final section header entry is followed by
728	* ISO9660ELTORITOSECTIONHEADER::cEntries ISO9660ELTORITOSECTIONTENTRY instances.
729	*/
730	typedef struct ISO9660ELTORITOSECTIONHEADER
731	{
732	/** 0x00: Header ID - ISO9660_ELTORITO_HEADER_ID_SECTION_HEADER or
733	* ISO9660_ELTORITO_HEADER_ID_FINAL_SECTION_HEADER (if final). */
734	uint8_t bHeaderId;
735	/** 0x01: The platform ID (ISO9660_ELTORITO_PLATFORM_ID_XXX). */
736	uint8_t bPlatformId;
737	/** 0x02: Number of entries in this section (i.e. following this header). */
738	uint16_t cEntries;
739	/** 0x04: String ID for the section. */
740	char achSectionId[28];
741	} ISO9660ELTORITOSECTIONHEADER;
742	AssertCompileSize(ISO9660ELTORITOSECTIONHEADER, ISO9660_ELTORITO_ENTRY_SIZE);
743	/** Pointer to an El Torito section header entry. */
744	typedef ISO9660ELTORITOSECTIONHEADER *PISO9660ELTORITOSECTIONHEADER;
745	/** Pointer to a const El Torito section header entry. */
746	typedef ISO9660ELTORITOSECTIONHEADER const *PCISO9660ELTORITOSECTIONHEADER;
747
748
749	/**
750	* El Torito boot catalog: Default (initial) entry.
751	*
752	* Followed by ISO9660ELTORITOSECTIONHEADER.
753	*
754	* Differs from ISO9660ELTORITOSECTIONENTRY in that it doesn't have a
755	* selection criteria and no media flags (only type).
756	*/
757	typedef struct ISO9660ELTORITODEFAULTENTRY
758	{
759	/** 0x00: Boot indicator (ISO9660_ELTORITO_BOOT_INDICATOR_XXX). */
760	uint8_t bBootIndicator;
761	/** 0x01: Boot media type. The first four bits are defined by
762	* ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX, whereas the top four bits MBZ. */
763	uint8_t bBootMediaType;
764	/** 0x02: Load segment - load address divided by 0x10. */
765	uint16_t uLoadSeg;
766	/** 0x04: System type from image partition table. */
767	uint8_t bSystemType;
768	/** 0x05: Unused, MBZ. */
769	uint8_t bUnused;
770	/** 0x06: Number of emulated 512 byte sectors to load. */
771	uint16_t cEmulatedSectorsToLoad;
772	/** 0x08: Image location in the ISO (block offset), always (?) little endian. */
773	uint32_t offBootImage;
774	/** 0x0c: Reserved, MBZ */
775	uint8_t abReserved[20];
776	} ISO9660ELTORITODEFAULTENTRY;
777	AssertCompileSize(ISO9660ELTORITODEFAULTENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
778	/** Pointer to an El Torito default (initial) entry. */
779	typedef ISO9660ELTORITODEFAULTENTRY *PISO9660ELTORITODEFAULTENTRY;
780	/** Pointer to a const El Torito default (initial) entry. */
781	typedef ISO9660ELTORITODEFAULTENTRY const *PCISO9660ELTORITODEFAULTENTRY;
782
783
784	/**
785	* El Torito boot catalg: Section entry.
786	*/
787	typedef struct ISO9660ELTORITOSECTIONENTRY
788	{
789	/** 0x00: Boot indicator (ISO9660_ELTORITO_BOOT_INDICATOR_XXX). */
790	uint8_t bBootIndicator;
791	/** 0x01: Boot media type and flags. The first four bits are defined by
792	* ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX and the top four bits by
793	* ISO9660_ELTORITO_BOOT_MEDIA_F_XXX. */
794	uint8_t bBootMediaType;
795	/** 0x02: Load segment - load address divided by 0x10. */
796	uint16_t uLoadSeg;
797	/** 0x04: System type from image partition table. */
798	uint8_t bSystemType;
799	/** 0x05: Unused, MBZ. */
800	uint8_t bUnused;
801	/** 0x06: Number of emulated 512 byte sectors to load. */
802	uint16_t cEmulatedSectorsToLoad;
803	/** 0x08: Image location in the ISO (block offset), always (?) little endian. */
804	uint32_t offBootImage;
805	/** 0x0c: Selection criteria type (ISO9660_ELTORITO_SEL_CRIT_TYPE_XXX). */
806	uint8_t bSelectionCriteriaType;
807	/** 0x0c: Selection criteria specific data. */
808	uint8_t abSelectionCriteria[19];
809	} ISO9660ELTORITOSECTIONENTRY;
810	AssertCompileSize(ISO9660ELTORITOSECTIONENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
811	/** Pointer to an El Torito default (initial) entry. */
812	typedef ISO9660ELTORITOSECTIONENTRY *PISO9660ELTORITOSECTIONENTRY;
813	/** Pointer to a const El Torito default (initial) entry. */
814	typedef ISO9660ELTORITOSECTIONENTRY const *PCISO9660ELTORITOSECTIONENTRY;
815
816
817	/** @name ISO9660_ELTORITO_BOOT_INDICATOR_XXX - Boot indicators.
818	* @{ */
819	#define ISO9660_ELTORITO_BOOT_INDICATOR_BOOTABLE UINT8_C(0x88)
820	#define ISO9660_ELTORITO_BOOT_INDICATOR_NOT_BOOTABLE UINT8_C(0x00)
821	/** @} */
822
823	/** @name ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX - Boot media types.
824	* @{ */
825	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_NO_EMULATION UINT8_C(0x0)
826	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_1_2_MB UINT8_C(0x1)
827	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_1_44_MB UINT8_C(0x2)
828	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_2_88_MB UINT8_C(0x3)
829	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_HARD_DISK UINT8_C(0x4)
830	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_MASK UINT8_C(0xf) /*< The media type mask. /
831	/** @} */
832
833	/** @name ISO9660_ELTORITO_BOOT_MEDIA_F_XXX - Boot media flags.
834	* These only applies to the section entry, not to the default (initial) entry.
835	* @{ */
836	#define ISO9660_ELTORITO_BOOT_MEDIA_F_RESERVED UINT8_C(0x10) /*< Reserved bit, MBZ. /
837	#define ISO9660_ELTORITO_BOOT_MEDIA_F_CONTINUATION UINT8_C(0x20) /*< Contiunation entry follows. /
838	#define ISO9660_ELTORITO_BOOT_MEDIA_F_ATAPI_DRIVER UINT8_C(0x40) /*< Image contains an ATAPI driver. /
839	#define ISO9660_ELTORITO_BOOT_MEDIA_F_SCSI_DRIVERS UINT8_C(0x80) /*< Image contains SCSI drivers. /
840	#define ISO9660_ELTORITO_BOOT_MEDIA_F_MASK UINT8_C(0xf0) /*< The media/entry flag mask. /
841	/** @} */
842
843	/** @name ISO9660_ELTORITO_SEL_CRIT_TYPE_XXX - Selection criteria type.
844	* @{ */
845	#define ISO9660_ELTORITO_SEL_CRIT_TYPE_NONE UINT8_C(0x00) /*< No selection criteria /
846	#define ISO9660_ELTORITO_SEL_CRIT_TYPE_LANG_AND_VERSION UINT8_C(0x01) /*< Language and version (IBM). /
847	/** @} */
848
849
850	/**
851	* El Torito boot catalog: Section entry extension.
852	*
853	* This is used for carrying additional selection criteria data. It follows
854	* a ISO9660ELTORITOSECTIONENTRY.
855	*/
856	typedef struct ISO9660ELTORITOSECTIONENTRYEXT
857	{
858	/** 0x00: Extension indicator (ISO9660_ELTORITO_SECTION_ENTRY_EXT_ID). */
859	uint8_t bExtensionId;
860	/** 0x01: Selection criteria extension flags (ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_XXX). */
861	uint8_t fFlags;
862	/** 0x02: Selection critiera data. */
863	uint8_t abSelectionCriteria[30];
864	} ISO9660ELTORITOSECTIONENTRYEXT;
865	AssertCompileSize(ISO9660ELTORITOSECTIONENTRYEXT, ISO9660_ELTORITO_ENTRY_SIZE);
866	/** Pointer to an El Torito default (initial) entry. */
867	typedef ISO9660ELTORITOSECTIONENTRYEXT *PISO9660ELTORITOSECTIONENTRYEXT;
868	/** Pointer to a const El Torito default (initial) entry. */
869	typedef ISO9660ELTORITOSECTIONENTRYEXT const *PCISO9660ELTORITOSECTIONENTRYEXT;
870
871	/** Value of ISO9660ELTORITOSECTIONENTRYEXT::bExtensionId. */
872	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_ID UINT8_C(0x44)
873
874	/** @name ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_XXX - ISO9660ELTORITOSECTIONENTRYEXT::fFlags
875	* @{ */
876	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_MORE UINT8_C(0x20) /*< Further extension entries follows. /
877	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_UNUSED_MASK UINT8_C(0xef) /*< Mask of all unused bits. /
878	/** @} */
879
880
881	/**
882	* Boot information table used by isolinux and GRUB2 El Torito boot files.
883	*/
884	typedef struct ISO9660SYSLINUXINFOTABLE
885	{
886	/** 0x00/0x08: Offset of the primary volume descriptor (block offset). */
887	uint32_t offPrimaryVolDesc;
888	/** 0x04/0x0c: Offset of the boot file (block offset). */
889	uint32_t offBootFile;
890	/** 0x08/0x10: Size of the boot file in bytes. */
891	uint32_t cbBootFile;
892	/** 0x0c/0x14: Boot file checksum.
893	* This is the sum of all the 32-bit words in the image, start at the end of
894	* this structure (i.e. offset 64). */
895	uint32_t uChecksum;
896	/** 0x10/0x18: Reserved for future fun. */
897	uint32_t auReserved[10];
898	} ISO9660SYSLINUXINFOTABLE;
899	AssertCompileSize(ISO9660SYSLINUXINFOTABLE, 56);
900	/** Pointer to a syslinux boot information table. */
901	typedef ISO9660SYSLINUXINFOTABLE *PISO9660SYSLINUXINFOTABLE;
902	/** Pointer to a const syslinux boot information table. */
903	typedef ISO9660SYSLINUXINFOTABLE const *PCISO9660SYSLINUXINFOTABLE;
904
905	/** The file offset of the isolinux boot info table. */
906	#define ISO9660SYSLINUXINFOTABLE_OFFSET 8
907
908
909
910	/**
911	* System Use Sharing Protocol Protocol (SUSP) header.
912	*/
913	typedef struct ISO9660SUSPHDR
914	{
915	/** Signature byte 1. */
916	uint8_t bSig1;
917	/** Signature byte 2. */
918	uint8_t bSig2;
919	/** Length of the entry (including the header). */
920	uint8_t cbEntry;
921	/** Entry version number. */
922	uint8_t bVersion;
923	} ISO9660SUSPHDR;
924	AssertCompileSize(ISO9660SUSPHDR, 4);
925	/** Pointer to a SUSP header. */
926	typedef ISO9660SUSPHDR *PISO9660SUSPHDR;
927	/** Pointer to a const SUSP header. */
928	typedef ISO9660SUSPHDR const *PCISO9660SUSPHDR;
929
930	/**
931	* SUSP continuation entry (CE).
932	*/
933	typedef struct ISO9660SUSPCE
934	{
935	/** Header (ISO9660SUSPCE_SIG1, ISO9660SUSPCE_SIG2, ISO9660SUSPCE_VER). */
936	ISO9660SUSPHDR Hdr;
937	/** The offset of the continutation data block (block offset). */
938	ISO9660U32 offBlock;
939	/** The byte offset in the block of the contiuation data. */
940	ISO9660U32 offData;
941	/** The size of the continuation data. */
942	ISO9660U32 cbData;
943	} ISO9660SUSPCE;
944	AssertCompileSize(ISO9660SUSPCE, 28);
945	/** Pointer to a SUSP continuation entry. */
946	typedef ISO9660SUSPCE *PISO9660SUSPCE;
947	/** Pointer to a const SUSP continuation entry. */
948	typedef ISO9660SUSPCE const *PCISO9660SUSPCE;
949	#define ISO9660SUSPCE_SIG1 'C' /*< SUSP continutation entry signature byte 1. /
950	#define ISO9660SUSPCE_SIG2 'E' /*< SUSP continutation entry signature byte 2. /
951	#define ISO9660SUSPCE_VER 1 /*< SUSP continutation entry version number. /
952
953	/**
954	* SUSP padding entry (PD).
955	*/
956	typedef struct ISO9660SUSPPD
957	{
958	/** Header (ISO9660SUSPPD_SIG1, ISO9660SUSPPD_SIG2, ISO9660SUSPPD_VER). */
959	ISO9660SUSPHDR Hdr;
960	/* Padding follows. */
961	} ISO9660SUSPPD;
962	AssertCompileSize(ISO9660SUSPPD, 4);
963	/** Pointer to a SUSP padding entry. */
964	typedef ISO9660SUSPPD *PISO9660SUSPPD;
965	/** Pointer to a const SUSP padding entry. */
966	typedef ISO9660SUSPPD const *PCISO9660SUSPPD;
967	#define ISO9660SUSPPD_SIG1 'P' /*< SUSP padding entry signature byte 1. /
968	#define ISO9660SUSPPD_SIG2 'D' /*< SUSP padding entry signature byte 2. /
969	#define ISO9660SUSPPD_VER 1 /*< SUSP padding entry version number. /
970
971	/**
972	* SUSP system use protocol entry (SP)
973	*
974	* This is only used in the '.' record of the root directory.
975	*/
976	typedef struct ISO9660SUSPSP
977	{
978	/** Header (ISO9660SUSPSP_SIG1, ISO9660SUSPSP_SIG2,
979	* ISO9660SUSPSP_LEN, ISO9660SUSPSP_VER). */
980	ISO9660SUSPHDR Hdr;
981	/** Check byte 1 (ISO9660SUSPSP_CHECK1). */
982	uint8_t bCheck1;
983	/** Check byte 2 (ISO9660SUSPSP_CHECK2). */
984	uint8_t bCheck2;
985	/** Number of bytes to skip within the system use field of each directory
986	* entry (except the '.' entry of the root, since that's where this is). */
987	uint8_t cbSkip;
988	} ISO9660SUSPSP;
989	AssertCompileSize(ISO9660SUSPSP, 7);
990	/** Pointer to a SUSP padding entry. */
991	typedef ISO9660SUSPSP *PISO9660SUSPSP;
992	/** Pointer to a const SUSP padding entry. */
993	typedef ISO9660SUSPSP const *PCISO9660SUSPSP;
994	#define ISO9660SUSPSP_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
995	#define ISO9660SUSPSP_SIG2 'P' /*< SUSP system use protocol entry signature byte 2. /
996	#define ISO9660SUSPSP_VER 1 /*< SUSP system use protocol entry version number. /
997	#define ISO9660SUSPSP_LEN 7 /*< SUSP system use protocol entry length (fixed). /
998	#define ISO9660SUSPSP_CHECK1 UINT8_C(0xbe) /*< SUSP system use protocol entry check byte 1. /
999	#define ISO9660SUSPSP_CHECK2 UINT8_C(0xef) /*< SUSP system use protocol entry check byte 2. /
1000
1001	/**
1002	* SUSP terminator entry (ST)
1003	*
1004	* Used to terminate system use entries.
1005	*/
1006	typedef struct ISO9660SUSPST
1007	{
1008	/** Header (ISO9660SUSPST_SIG1, ISO9660SUSPST_SIG2,
1009	* ISO9660SUSPST_LEN, ISO9660SUSPST_VER). */
1010	ISO9660SUSPHDR Hdr;
1011	} ISO9660SUSPST;
1012	AssertCompileSize(ISO9660SUSPST, 4);
1013	/** Pointer to a SUSP padding entry. */
1014	typedef ISO9660SUSPST *PISO9660SUSPST;
1015	/** Pointer to a const SUSP padding entry. */
1016	typedef ISO9660SUSPST const *PCISO9660SUSPST;
1017	#define ISO9660SUSPST_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
1018	#define ISO9660SUSPST_SIG2 'T' /*< SUSP system use protocol entry signature byte 2. /
1019	#define ISO9660SUSPST_VER 1 /*< SUSP system use protocol entry version number. /
1020	#define ISO9660SUSPST_LEN 4 /*< SUSP system use protocol entry length (fixed). /
1021
1022	/**
1023	* SUSP extension record entry (ER)
1024	*
1025	* This is only used in the '.' record of the root directory. There can be multiple of these.
1026	*/
1027	typedef struct ISO9660SUSPER
1028	{
1029	/** Header (ISO9660SUSPER_SIG1, ISO9660SUSPER_SIG2, ISO9660SUSPER_VER). */
1030	ISO9660SUSPHDR Hdr;
1031	/** The length of the identifier component. */
1032	uint8_t cchIdentifier;
1033	/** The length of the description component. */
1034	uint8_t cchDescription;
1035	/** The length of the source component. */
1036	uint8_t cchSource;
1037	/** The extension version number. */
1038	uint8_t bVersion;
1039	/** The payload: first @a cchIdentifier chars of identifier string, second
1040	* @a cchDescription chars of description string, thrid @a cchSource chars
1041	* of source string. Variable length. */
1042	char achPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1043	} ISO9660SUSPER;
1044	AssertCompileMemberOffset(ISO9660SUSPER, achPayload, 8);
1045	/** Pointer to a SUSP padding entry. */
1046	typedef ISO9660SUSPER *PISO9660SUSPER;
1047	/** Pointer to a const SUSP padding entry. */
1048	typedef ISO9660SUSPER const *PCISO9660SUSPER;
1049	#define ISO9660SUSPER_SIG1 'E' /*< SUSP extension record entry signature byte 1. /
1050	#define ISO9660SUSPER_SIG2 'R' /*< SUSP extension record entry signature byte 2. /
1051	#define ISO9660SUSPER_VER 1 /*< SUSP extension record entry version number. /
1052
1053	/**
1054	* SUSP extension sequence entry (ES)
1055	*
1056	* This is only used in the '.' record of the root directory.
1057	*/
1058	typedef struct ISO9660SUSPES
1059	{
1060	/** Header (ISO9660SUSPES_SIG1, ISO9660SUSPES_SIG2, ISO9660SUSPES_VER). */
1061	ISO9660SUSPHDR Hdr;
1062	/** The ER entry sequence number of the extension comming first. */
1063	uint8_t iFirstExtension;
1064	} ISO9660SUSPES;
1065	AssertCompileSize(ISO9660SUSPES, 5);
1066	/** Pointer to a SUSP padding entry. */
1067	typedef ISO9660SUSPES *PISO9660SUSPES;
1068	/** Pointer to a const SUSP padding entry. */
1069	typedef ISO9660SUSPES const *PCISO9660SUSPES;
1070	#define ISO9660SUSPES_SIG1 'E' /*< SUSP extension sequence entry signature byte 1. /
1071	#define ISO9660SUSPES_SIG2 'S' /*< SUSP extension sequence entry signature byte 2. /
1072	#define ISO9660SUSPES_VER 1 /*< SUSP extension sequence entry version number. /
1073	#define ISO9660SUSPES_LEN 5 /*< SUSP extension sequence entry length (fixed). /
1074
1075
1076	/** RRIP ER identifier string from Rock Ridge Interchange Protocol v1.10 specs. */
1077	#define ISO9660_RRIP_ID "RRIP_1991A"
1078	/** RRIP ER recommended description string (from RRIP v1.10 specs). */
1079	#define ISO9660_RRIP_DESC "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS"
1080	/** RRIP ER recommended source string (from RRIP v1.10 specs). */
1081	#define ISO9660_RRIP_SRC "PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE. SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR CONTACT INFORMATION."
1082
1083	/** RRIP ER identifier string from RRIP IEEE P1282 v1.12 draft. */
1084	#define ISO9660_RRIP_1_12_ID "IEEE_P1282"
1085	/** RRIP ER recommended description string (RRIP IEEE P1282 v1.12 draft). */
1086	#define ISO9660_RRIP_1_12_DESC "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS."
1087	/** RRIP ER recommended source string (RRIP IEEE P1282 v1.12 draft). */
1088	#define ISO9660_RRIP_1_12_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION."
1089
1090	/**
1091	* Rock ridge interchange protocol - posix attribute entry (PX).
1092	*/
1093	typedef struct ISO9660RRIPPX
1094	{
1095	/** Header (ISO9660RRIPPX_SIG1, ISO9660RRIPPX_SIG2,
1096	* ISO9660RRIPPX_LEN, ISO9660RRIPPX_VER). */
1097	ISO9660SUSPHDR Hdr;
1098	/** The file mode (RTFS_UNIX_XXX, RTFS_TYPE_XXX). */
1099	ISO9660U32 fMode;
1100	/** Number of hardlinks. */
1101	ISO9660U32 cHardlinks;
1102	/** User ID. */
1103	ISO9660U32 uid;
1104	/** Group ID. */
1105	ISO9660U32 gid;
1106	/** Inode number. */
1107	ISO9660U32 INode;
1108	} ISO9660RRIPPX;
1109	AssertCompileSize(ISO9660RRIPPX, 44);
1110	/** Pointer to a RRIP posix attribute entry. */
1111	typedef ISO9660RRIPPX *PISO9660RRIPPX;
1112	/** Pointer to a const RRIP posix attribute entry. */
1113	typedef ISO9660RRIPPX const *PCISO9660RRIPPX;
1114	#define ISO9660RRIPPX_SIG1 'P' /*< RRIP posix attribute entry signature byte 1. /
1115	#define ISO9660RRIPPX_SIG2 'X' /*< RRIP posix attribute entry signature byte 2. /
1116	#define ISO9660RRIPPX_VER 1 /*< RRIP posix attribute entry version number. /
1117	#define ISO9660RRIPPX_LEN 44 /*< RRIP posix attribute entry length (fixed). /
1118
1119
1120	/**
1121	* Rock ridge interchange protocol - timestamp entry (TF).
1122	*/
1123	typedef struct ISO9660RRIPTF
1124	{
1125	/** Header (ISO9660RRIPTF_SIG1, ISO9660RRIPTF_SIG2, ISO9660RRIPTF_VER). */
1126	ISO9660SUSPHDR Hdr;
1127	/** Flags, ISO9660RRIPTF_F_XXX. */
1128	uint8_t fFlags;
1129	/** Timestamp payload bytes (variable size and format). */
1130	uint8_t abPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1131	} ISO9660RRIPTF;
1132	AssertCompileMemberOffset(ISO9660RRIPTF, abPayload, 5);
1133	/** Pointer to a RRIP timestamp entry. */
1134	typedef ISO9660RRIPTF *PISO9660RRIPTF;
1135	/** Pointer to a const RRIP timestamp entry. */
1136	typedef ISO9660RRIPTF const *PCISO9660RRIPTF;
1137	#define ISO9660RRIPTF_SIG1 'T' /*< RRIP child link entry signature byte 1. /
1138	#define ISO9660RRIPTF_SIG2 'F' /*< RRIP child link entry signature byte 2. /
1139	#define ISO9660RRIPTF_VER 1 /*< RRIP child link entry version number. /
1140
1141	/** @name ISO9660RRIPTF_F_XXX - Timestmap flags.
1142	* @{ */
1143	#define ISO9660RRIPTF_F_BIRTH UINT8_C(0x01) /*< Birth (creation) timestamp is recorded. /
1144	#define ISO9660RRIPTF_F_MODIFY UINT8_C(0x02) /*< Modification timestamp is recorded. /
1145	#define ISO9660RRIPTF_F_ACCESS UINT8_C(0x04) /*< Accessed timestamp is recorded. /
1146	#define ISO9660RRIPTF_F_CHANGE UINT8_C(0x08) /*< Attribute change timestamp is recorded. /
1147	#define ISO9660RRIPTF_F_BACKUP UINT8_C(0x10) /*< Backup timestamp is recorded. /
1148	#define ISO9660RRIPTF_F_EXPIRATION UINT8_C(0x20) /*< Expiration timestamp is recorded. /
1149	#define ISO9660RRIPTF_F_EFFECTIVE UINT8_C(0x40) /*< Effective timestamp is recorded. /
1150	#define ISO9660RRIPTF_F_LONG_FORM UINT8_C(0x80) /*< If set ISO9660TIMESTAMP is used, otherwise ISO9660RECTIMESTAMP. /
1151	/** @} */
1152
1153	/**
1154	* Calculates the length of a 'TF' entry given the flags.
1155	*
1156	* @returns Length in bytes.
1157	* @param fFlags The flags (ISO9660RRIPTF_F_XXX).
1158	*/
1159	DECLINLINE(uint8_t) Iso9660RripTfCalcLength(uint8_t fFlags)
1160	{
1161	unsigned cTimestamps = ((fFlags & ISO9660RRIPTF_F_BIRTH) != 0)
1162	+ ((fFlags & ISO9660RRIPTF_F_MODIFY) != 0)
1163	+ ((fFlags & ISO9660RRIPTF_F_ACCESS) != 0)
1164	+ ((fFlags & ISO9660RRIPTF_F_CHANGE) != 0)
1165	+ ((fFlags & ISO9660RRIPTF_F_BACKUP) != 0)
1166	+ ((fFlags & ISO9660RRIPTF_F_EXPIRATION) != 0)
1167	+ ((fFlags & ISO9660RRIPTF_F_EFFECTIVE) != 0);
1168	return (uint8_t)( cTimestamps * (fFlags & ISO9660RRIPTF_F_LONG_FORM ? sizeof(ISO9660TIMESTAMP) : sizeof(ISO9660RECTIMESTAMP))
1169	+ RT_OFFSETOF(ISO9660RRIPTF, abPayload));
1170	}
1171
1172
1173	/**
1174	* Rock ridge interchange protocol - posix device number entry (PN).
1175	*
1176	* Mandatory for block or character devices.
1177	*/
1178	typedef struct ISO9660RRIPPN
1179	{
1180	/** Header (ISO9660RRIPPN_SIG1, ISO9660RRIPPN_SIG2,
1181	* ISO9660RRIPPN_LEN, ISO9660RRIPPN_VER). */
1182	ISO9660SUSPHDR Hdr;
1183	/** The major device number. */
1184	ISO9660U32 Major;
1185	/** The minor device number. */
1186	ISO9660U32 Minor;
1187	} ISO9660RRIPPN;
1188	AssertCompileSize(ISO9660RRIPPN, 20);
1189	/** Pointer to a RRIP posix attribute entry. */
1190	typedef ISO9660RRIPPN *PISO9660RRIPPN;
1191	/** Pointer to a const RRIP posix attribute entry. */
1192	typedef ISO9660RRIPPN const *PCISO9660RRIPPN;
1193	#define ISO9660RRIPPN_SIG1 'P' /*< RRIP posix device number entry signature byte 1. /
1194	#define ISO9660RRIPPN_SIG2 'N' /*< RRIP posix device number entry signature byte 2. /
1195	#define ISO9660RRIPPN_VER 1 /*< RRIP posix device number entry version number. /
1196	#define ISO9660RRIPPN_LEN 20 /*< RRIP posix device number entry length (fixed). /
1197
1198	/**
1199	* Rock ridge interchange protocol - symlink entry (SL).
1200	*
1201	* Mandatory for symbolic links.
1202	*/
1203	typedef struct ISO9660RRIPSL
1204	{
1205	/** Header (ISO9660RRIPSL_SIG1, ISO9660RRIPSL_SIG2, ISO9660RRIPSL_VER). */
1206	ISO9660SUSPHDR Hdr;
1207	/** Flags (0 or ISO9660RRIP_SL_F_CONTINUE). */
1208	uint8_t fFlags;
1209	/** Variable length of components. First byte in each component is a
1210	* combination of ISO9660RRIP_SL_C_XXX flag values. The second byte the
1211	* length of character data following it. */
1212	uint8_t abComponents[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1213	} ISO9660RRIPSL;
1214	AssertCompileMemberOffset(ISO9660RRIPSL, abComponents, 5);
1215	/** Pointer to a RRIP symbolic link entry. */
1216	typedef ISO9660RRIPSL *PISO9660RRIPSL;
1217	/** Pointer to a const RRIP symbolic link entry. */
1218	typedef ISO9660RRIPSL const *PCISO9660RRIPSL;
1219	#define ISO9660RRIPSL_SIG1 'S' /*< RRIP symbolic link entry signature byte 1. /
1220	#define ISO9660RRIPSL_SIG2 'L' /*< RRIP symbolic link entry signature byte 2. /
1221	#define ISO9660RRIPSL_VER 1 /*< RRIP symbolic link entry version number. /
1222	/** ISO9660RRIPSL.fFlags - When set another symlink entry follows this one. */
1223	#define ISO9660RRIP_SL_F_CONTINUE UINT8_C(0x01)
1224	/** @name ISO9660RRIP_SL_C_XXX - Symlink component flags.
1225	* @note These matches ISO9660RRIP_NM_F_XXX.
1226	* @{ */
1227	/** Indicates there are more components. */
1228	#define ISO9660RRIP_SL_C_CONTINUE UINT8_C(0x01)
1229	/** Refer to '.' (the current dir). */
1230	#define ISO9660RRIP_SL_C_CURRENT UINT8_C(0x02)
1231	/** Refer to '..' (the parent dir). */
1232	#define ISO9660RRIP_SL_C_PARENT UINT8_C(0x04)
1233	/** Refer to '/' (the root dir). */
1234	#define ISO9660RRIP_SL_C_ROOT UINT8_C(0x08)
1235	/** Reserved / historically was mount point reference. */
1236	#define ISO9660RRIP_SL_C_MOUNT_POINT UINT8_C(0x10)
1237	/** Reserved / historically was uname network node name. */
1238	#define ISO9660RRIP_SL_C_UNAME UINT8_C(0x20)
1239	/** Reserved mask (includes historically bits). */
1240	#define ISO9660RRIP_SL_C_RESERVED_MASK UINT8_C(0xf0)
1241	/** @} */
1242
1243
1244	/**
1245	* Rock ridge interchange protocol - name entry (NM).
1246	*/
1247	typedef struct ISO9660RRIPNM
1248	{
1249	/** Header (ISO9660RRIPNM_SIG1, ISO9660RRIPNM_SIG2, ISO9660RRIPNM_VER). */
1250	ISO9660SUSPHDR Hdr;
1251	/** Flags (ISO9660RRIP_NM_F_XXX). */
1252	uint8_t fFlags;
1253	/** The name part (if any). */
1254	char achName[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1255	} ISO9660RRIPNM;
1256	AssertCompileMemberOffset(ISO9660RRIPNM, achName, 5);
1257	/** Pointer to a RRIP name entry. */
1258	typedef ISO9660RRIPNM *PISO9660RRIPNM;
1259	/** Pointer to a const RRIP name entry. */
1260	typedef ISO9660RRIPNM const *PCISO9660RRIPNM;
1261	#define ISO9660RRIPNM_SIG1 'N' /*< RRIP name entry signature byte 1. /
1262	#define ISO9660RRIPNM_SIG2 'M' /*< RRIP name entry signature byte 2. /
1263	#define ISO9660RRIPNM_VER 1 /*< RRIP name entry version number. /
1264	/** @name ISO9660RRIP_NM_F_XXX - Name flags.
1265	* @note These matches ISO9660RRIP_SL_C_XXX.
1266	* @{ */
1267	/** Indicates there are more 'NM' entries. */
1268	#define ISO9660RRIP_NM_F_CONTINUE UINT8_C(0x01)
1269	/** Refer to '.' (the current dir). */
1270	#define ISO9660RRIP_NM_F_CURRENT UINT8_C(0x02)
1271	/** Refer to '..' (the parent dir). */
1272	#define ISO9660RRIP_NM_F_PARENT UINT8_C(0x04)
1273	/** Reserved / historically was uname network node name. */
1274	#define ISO9660RRIP_NM_F_UNAME UINT8_C(0x20)
1275	/** @} */
1276
1277
1278	/**
1279	* Rock ridge interchange protocol - child link entry (CL).
1280	*
1281	* This is used for relocated directories. Relocated directries are employed
1282	* to bypass the ISO 9660 maximum tree depth of 8.
1283	*
1284	* The size of the directory and everything else is found in the '.' entry in
1285	* the specified location. Only the name (NM or dir rec) and this link record
1286	* should be used.
1287	*/
1288	typedef struct ISO9660RRIPCL
1289	{
1290	/** Header (ISO9660RRIPCL_SIG1, ISO9660RRIPCL_SIG2,
1291	* ISO9660RRIPCL_LEN, ISO9660RRIPCL_VER). */
1292	ISO9660SUSPHDR Hdr;
1293	/** The offset of the directory data (block offset). */
1294	ISO9660U32 offExtend;
1295	} ISO9660RRIPCL;
1296	AssertCompileSize(ISO9660RRIPCL, 12);
1297	/** Pointer to a RRIP child link entry. */
1298	typedef ISO9660RRIPCL *PISO9660RRIPCL;
1299	/** Pointer to a const RRIP child link entry. */
1300	typedef ISO9660RRIPCL const *PCISO9660RRIPCL;
1301	#define ISO9660RRIPCL_SIG1 'C' /*< RRIP child link entry signature byte 1. /
1302	#define ISO9660RRIPCL_SIG2 'L' /*< RRIP child link entry signature byte 2. /
1303	#define ISO9660RRIPCL_VER 1 /*< RRIP child link entry version number. /
1304	#define ISO9660RRIPCL_LEN 12 /*< RRIP child link entry length. /
1305
1306
1307	/**
1308	* Rock ridge interchange protocol - parent link entry (PL).
1309	*
1310	* This is used in relocated directories. Relocated directries are employed
1311	* to bypass the ISO 9660 maximum tree depth of 8.
1312	*
1313	* The size of the directory and everything else is found in the '.' entry in
1314	* the specified location. Only the name (NM or dir rec) and this link record
1315	* should be used.
1316	*/
1317	typedef struct ISO9660RRIPPL
1318	{
1319	/** Header (ISO9660RRIPPL_SIG1, ISO9660RRIPPL_SIG2,
1320	* ISO9660RRIPPL_LEN, ISO9660RRIPPL_VER). */
1321	ISO9660SUSPHDR Hdr;
1322	/** The offset of the directory data (block offset). */
1323	ISO9660U32 offExtend;
1324	} ISO9660RRIPPL;
1325	AssertCompileSize(ISO9660RRIPPL, 12);
1326	/** Pointer to a RRIP parent link entry. */
1327	typedef ISO9660RRIPPL *PISO9660RRIPPL;
1328	/** Pointer to a const RRIP parent link entry. */
1329	typedef ISO9660RRIPPL const *PCISO9660RRIPPL;
1330	#define ISO9660RRIPPL_SIG1 'P' /*< RRIP parent link entry signature byte 1. /
1331	#define ISO9660RRIPPL_SIG2 'L' /*< RRIP parent link entry signature byte 2. /
1332	#define ISO9660RRIPPL_VER 1 /*< RRIP parent link entry version number. /
1333	#define ISO9660RRIPPL_LEN 12 /*< RRIP parent link entry length. /
1334
1335
1336	/**
1337	* Rock ridge interchange protocol - relocated entry (RE).
1338	*
1339	* This is used in the directory record for a relocated directory in the
1340	* holding place high up in the directory hierarchy. The system may choose to
1341	* ignore/hide entries with this entry present.
1342	*/
1343	typedef struct ISO9660RRIPRE
1344	{
1345	/** Header (ISO9660RRIPRE_SIG1, ISO9660RRIPRE_SIG2,
1346	* ISO9660RRIPRE_LEN, ISO9660RRIPRE_VER). */
1347	ISO9660SUSPHDR Hdr;
1348	} ISO9660RRIPRE;
1349	AssertCompileSize(ISO9660RRIPRE, 4);
1350	/** Pointer to a RRIP parent link entry. */
1351	typedef ISO9660RRIPRE *PISO9660RRIPRE;
1352	/** Pointer to a const RRIP parent link entry. */
1353	typedef ISO9660RRIPRE const *PCISO9660RRIPRE;
1354	#define ISO9660RRIPRE_SIG1 'R' /*< RRIP relocated entry signature byte 1. /
1355	#define ISO9660RRIPRE_SIG2 'E' /*< RRIP relocated entry signature byte 2. /
1356	#define ISO9660RRIPRE_VER 1 /*< RRIP relocated entry version number. /
1357	#define ISO9660RRIPRE_LEN 4 /*< RRIP relocated entry length. /
1358
1359
1360	/**
1361	* Rock ridge interchange protocol - sparse file entry (SF).
1362	*/
1363	#pragma pack(1)
1364	typedef struct ISO9660RRIPSF
1365	{
1366	/** Header (ISO9660RRIPSF_SIG1, ISO9660RRIPSF_SIG2,
1367	* ISO9660RRIPSF_LEN, ISO9660RRIPSF_VER). */
1368	ISO9660SUSPHDR Hdr;
1369	/** The high 32-bits of the 64-bit sparse file size. */
1370	ISO9660U32 cbSparseHi;
1371	/** The low 32-bits of the 64-bit sparse file size. */
1372	ISO9660U32 cbSparseLo;
1373	/** The table depth. */
1374	uint8_t cDepth;
1375	} ISO9660RRIPSF;
1376	#pragma pack()
1377	AssertCompileSize(ISO9660RRIPSF, 21);
1378	/** Pointer to a RRIP symbolic link entry. */
1379	typedef ISO9660RRIPSF *PISO9660RRIPSF;
1380	/** Pointer to a const RRIP symbolic link entry. */
1381	typedef ISO9660RRIPSF const *PCISO9660RRIPSF;
1382	#define ISO9660RRIPSF_SIG1 'S' /*< RRIP spare file entry signature byte 1. /
1383	#define ISO9660RRIPSF_SIG2 'F' /*< RRIP spare file entry signature byte 2. /
1384	#define ISO9660RRIPSF_VER 1 /*< RRIP spare file entry version number. /
1385	#define ISO9660RRIPSF_LEN 21 /*< RRIP spare file entry length. /
1386
1387	/** @name ISO9660RRIP_SF_TAB_F_XXX - Sparse table format.
1388	* @{ */
1389	/** The 24-bit logical block number mask.
1390	* This is somewhat complicated, see docs. MBZ for EMPTY. */
1391	#define ISO9660RRIP_SF_TAB_F_BLOCK_MASK UINT32_C(0x00ffffff)
1392	/** Reserved bits, MBZ. */
1393	#define ISO9660RRIP_SF_TAB_F_RESERVED RT_BIT_32()
1394	/** References a sub-table with 256 entries (ISO9660U32). */
1395	#define ISO9660RRIP_SF_TAB_F_TABLE RT_BIT_32(30)
1396	/** Zero data region. */
1397	#define ISO9660RRIP_SF_TAB_F_EMPTY RT_BIT_32(31)
1398	/** @} */
1399
1400
1401	/**
1402	* SUSP and RRIP union.
1403	*/
1404	typedef union ISO9660SUSPUNION
1405	{
1406	ISO9660SUSPHDR Hdr; /*< SUSP header . /
1407	ISO9660SUSPCE CE; /*< SUSP continuation entry. /
1408	ISO9660SUSPPD PD; /*< SUSP padding entry. /
1409	ISO9660SUSPSP SP; /*< SUSP system use protocol entry. /
1410	ISO9660SUSPST ST; /*< SUSP terminator entry. /
1411	ISO9660SUSPER ER; /*< SUSP extension record entry. /
1412	ISO9660SUSPES ES; /*< SUSP extension sequence entry. /
1413	ISO9660RRIPPX PX; /*< RRIP posix attribute entry. /
1414	ISO9660RRIPTF TF; /*< RRIP timestamp entry. /
1415	ISO9660RRIPPN PN; /*< RRIP posix device number entry. /
1416	ISO9660RRIPSF SF; /*< RRIP sparse file entry. /
1417	ISO9660RRIPSL SL; /*< RRIP symbolic link entry. /
1418	ISO9660RRIPNM NM; /*< RRIP name entry. /
1419	ISO9660RRIPCL CL; /*< RRIP child link entry. /
1420	ISO9660RRIPPL PL; /*< RRIP parent link entry. /
1421	ISO9660RRIPRE RE; /*< RRIP relocated entry. /
1422	} ISO9660SUSPUNION;
1423	/** Pointer to a SUSP and RRIP union. */
1424	typedef ISO9660SUSPUNION *PISO9660SUSPUNION;
1425	/** Pointer to a const SUSP and RRIP union. */
1426	typedef ISO9660SUSPUNION *PCISO9660SUSPUNION;
1427
1428
1429	/** @} */
1430
1431	#endif
1432

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