iso9660.h@ 77807

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1	/* $Id: iso9660.h 76585 2019-01-01 06:31:29Z vboxsync $ */
2	/** @file
3	* IPRT, ISO 9660 File System
4	*/
5
6	/*
7	* Copyright (C) 2017-2019 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_INCLUDED_formats_iso9660_h
28	#define IPRT_INCLUDED_formats_iso9660_h
29	#ifndef RT_WITHOUT_PRAGMA_ONCE
30	# pragma once
31	#endif
32
33	#include <iprt/types.h>
34	#include <iprt/assertcompile.h>
35
36
37	/** @defgroup grp_rt_formats_iso9660 ISO 9660 structures and definitions
38	* @ingroup grp_rt_formats
39	* @{
40	*/
41
42
43	/** The (default) logical sectors size of ISO 9660. */
44	#define ISO9660_SECTOR_SIZE 2048
45	/** The (default) sector offset mask of ISO 9660. */
46	#define ISO9660_SECTOR_OFFSET_MASK 2047
47	/** Maximum filename length (level 2 & 3). */
48	#define ISO9660_MAX_NAME_LEN 30
49
50
51	/** Accessor for ISO9660U16 and ISO9660U32 that retrievs the member value for
52	* the host endianess. */
53	#ifdef RT_BIG_ENDIAN
54	# define ISO9660_GET_ENDIAN(a_pInt) ((a_pInt)->be)
55	#else
56	# define ISO9660_GET_ENDIAN(a_pInt) ((a_pInt)->le)
57	#endif
58
59
60	/**
61	* ISO 9660 16-bit unsigned integer type.
62	*/
63	typedef struct ISO9660U16
64	{
65	/** Little endian. */
66	uint16_t le;
67	/** Big endian. */
68	uint16_t be;
69	} ISO9660U16;
70	/** Pointer to an ISO 9660 16-bit unsigned integer type. */
71	typedef ISO9660U16 *PISO9660U16;
72	/** Pointer to a const ISO 9660 16-bit unsigned integer type. */
73	typedef ISO9660U16 const *PCISO9660U16;
74
75	/** ISO 9660 big endian 16-bit unsigned integer. */
76	typedef uint16_t ISO9660U16BE;
77
78
79	/**
80	* ISO 9660 32-bit unsigned integer type.
81	*/
82	typedef struct ISO9660U32
83	{
84	/** Little endian. */
85	uint32_t le;
86	/** Big endian. */
87	uint32_t be;
88	} ISO9660U32;
89	/** Pointer to an ISO 9660 32-bit unsigned integer type. */
90	typedef ISO9660U32 *PISO9660U32;
91	/** Pointer to a const ISO 9660 32-bit unsigned integer type. */
92	typedef ISO9660U32 const *PCISO9660U32;
93
94	/** ISO 9660 little endian 32-bit unsigned integer. */
95	typedef uint32_t ISO9660U32LE;
96	/** ISO 9660 big endian 32-bit unsigned integer. */
97	typedef uint32_t ISO9660U32BE;
98
99	/**
100	* ISO 9660 timestamp (date & time).
101	*/
102	typedef struct ISO9660TIMESTAMP
103	{
104	/** 0x00: For digit year (0001-9999). */
105	char achYear[4];
106	/** 0x04: Month of the year (01-12). */
107	char achMonth[2];
108	/** 0x06: Day of month (01-31). */
109	char achDay[2];
110	/** 0x08: Hour of day (00-23). */
111	char achHour[2];
112	/** 0x0a: Minute of hour (00-59). */
113	char achMinute[2];
114	/** 0x0c: Second of minute (00-59). */
115	char achSecond[2];
116	/** 0x0e: Hundreth of second (00-99). */
117	char achCentisecond[2];
118	/** 0x10: The UTC (GMT) offset in 15 min units. */
119	int8_t offUtc;
120	} ISO9660TIMESTAMP;
121	AssertCompileSize(ISO9660TIMESTAMP, 17);
122	/** Pointer to an ISO 9660 timestamp. */
123	typedef ISO9660TIMESTAMP *PISO9660TIMESTAMP;
124	/** Pointer to a const ISO 9660 timestamp. */
125	typedef ISO9660TIMESTAMP const *PCISO9660TIMESTAMP;
126
127	/**
128	* ISO 9660 record timestamp (date & time).
129	*/
130	typedef struct ISO9660RECTIMESTAMP
131	{
132	/** 0: Years since 1900. */
133	uint8_t bYear;
134	/** 1: Month of year (1-12). */
135	uint8_t bMonth;
136	/** 2: Day of month (1-31). */
137	uint8_t bDay;
138	/** 3: Hour of day (0-23). */
139	uint8_t bHour;
140	/** 4: Minute of hour (0-59). */
141	uint8_t bMinute;
142	/** 5: Second of minute (0-59). */
143	uint8_t bSecond;
144	/** 6: The UTC (GMT) offset in 15 min units. */
145	int8_t offUtc;
146	} ISO9660RECTIMESTAMP;
147	AssertCompileSize(ISO9660RECTIMESTAMP, 7);
148	/** Pointer to an ISO 9660 record timestamp. */
149	typedef ISO9660RECTIMESTAMP *PISO9660RECTIMESTAMP;
150	/** Pointer to a const ISO 9660 record timestamp. */
151	typedef ISO9660RECTIMESTAMP const *PCISO9660RECTIMESTAMP;
152
153
154	/**
155	* ISO 9660 directory record.
156	*/
157	#pragma pack(1)
158	typedef struct ISO9660DIRREC
159	{
160	/** 0x00: Length of this record in bytes. */
161	uint8_t cbDirRec;
162	/** 0x01: Extended attribute record length in logical blocks. */
163	uint8_t cExtAttrBlocks;
164	/** 0x02: Location of extent (logical block number).
165	* @note Misaligned. */
166	ISO9660U32 offExtent;
167	/** 0x0a: Size of the data (file section). Does not include EAs.
168	* @note Misaligned. */
169	ISO9660U32 cbData;
170	/** 0x12: Recording time and date. */
171	ISO9660RECTIMESTAMP RecTime;
172	/** 0x19: File flags (ISO9660_FILE_FLAGS_XXX). */
173	uint8_t fFileFlags;
174	/** 0x1a: File unit size for interlaved mode. */
175	uint8_t bFileUnitSize;
176	/** 0x1b: Interlave gap size. */
177	uint8_t bInterleaveGapSize;
178	/** 0x1c: Volume sequence number where the extent resides. */
179	ISO9660U16 VolumeSeqNo;
180	/** 0x20: Length of file identifier field. */
181	uint8_t bFileIdLength;
182	/** 0x21: File identifier (d-characters or d1-characters). */
183	char achFileId[1];
184	/* There are more fields following:
185	* - one byte optional padding so the following field is at an even boundrary.
186	* - system use field until cbDirRec is reached.
187	*/
188	} ISO9660DIRREC;
189	#pragma pack()
190	AssertCompileMemberOffset(ISO9660DIRREC, offExtent, 0x02);
191	AssertCompileMemberOffset(ISO9660DIRREC, cbData, 0x0a);
192	AssertCompileMemberOffset(ISO9660DIRREC, RecTime, 0x12);
193	AssertCompileMemberOffset(ISO9660DIRREC, fFileFlags, 0x19);
194	AssertCompileMemberOffset(ISO9660DIRREC, bFileIdLength, 0x20);
195	AssertCompileMemberOffset(ISO9660DIRREC, achFileId, 0x21);
196	/** Pointer to an ISO 9660 directory record. */
197	typedef ISO9660DIRREC *PISO9660DIRREC;
198	/** Pointer to a const ISO 9660 directory record. */
199	typedef ISO9660DIRREC const *PCISO9660DIRREC;
200
201	/** @name ISO9660_FILE_FLAGS_XXX
202	* @{ */
203	/** Existence - Hide the file from the user. */
204	#define ISO9660_FILE_FLAGS_HIDDEN UINT8_C(0x01)
205	/** Directory - Indicates a directory as apposed to a regular file (0). */
206	#define ISO9660_FILE_FLAGS_DIRECTORY UINT8_C(0x02)
207	/** Assocated File - Indicates that the file is an associated file. */
208	#define ISO9660_FILE_FLAGS_ASSOCIATED_FILE UINT8_C(0x04)
209	/** Record - Indicates specified file content record format (see EAs). */
210	#define ISO9660_FILE_FLAGS_RECORD UINT8_C(0x08)
211	/** Protection - Indicates owner/group or permission protection in EAs. */
212	#define ISO9660_FILE_FLAGS_PROTECTION UINT8_C(0x10)
213	/** Reserved bit, MBZ. */
214	#define ISO9660_FILE_FLAGS_RESERVED_5 UINT8_C(0x20)
215	/** Reserved bit, MBZ. */
216	#define ISO9660_FILE_FLAGS_RESERVED_6 UINT8_C(0x40)
217	/** Multi-extend - Indicates that this isn't the final record for the file.
218	* @remarks Use for working around 4 GiB file size limitation. */
219	#define ISO9660_FILE_FLAGS_MULTI_EXTENT UINT8_C(0x80)
220	/** @} */
221
222
223	/**
224	* ISO 9660 path table record.
225	*/
226	#pragma pack(1)
227	typedef struct ISO9660PATHREC
228	{
229	/** 0x00: Length of the achDirId field in bytes. */
230	uint8_t cbDirId;
231	/** 0x01: Extended attribute record length in bytes? */
232	uint8_t cbExtAttr;
233	/** 0x02: Location of extent (logical block number).
234	* @note Endianess depends on table.
235	* @note Misaligned. */
236	uint32_t offExtent;
237	/** 0x06: Parent directory number.
238	* @note Endianess depends on table. */
239	uint16_t idParentRec;
240	/** 0x08: Directory identifier (d-characters or d1-characters). */
241	char achDirId[RT_FLEXIBLE_ARRAY];
242	/* There will be a zero padding byte following if the directory identifier length is odd. */
243	} ISO9660PATHREC;
244	#pragma pack()
245	AssertCompileMemberOffset(ISO9660PATHREC, cbExtAttr, 0x01);
246	AssertCompileMemberOffset(ISO9660PATHREC, offExtent, 0x02);
247	AssertCompileMemberOffset(ISO9660PATHREC, idParentRec, 0x06);
248	AssertCompileMemberOffset(ISO9660PATHREC, achDirId, 0x08);
249	/** Pointer to an ISO 9660 path table record. */
250	typedef ISO9660PATHREC *PISO9660PATHREC;
251	/** Pointer to a const ISO 9660 path table record. */
252	typedef ISO9660PATHREC const *PCISO9660PATHREC;
253
254
255	/**
256	* ISO 9660 extended attribute record.
257	*/
258	typedef struct ISO9660EXATTRREC
259	{
260	/** 0x000: The owner ID. */
261	ISO9660U16 idOwner;
262	/** 0x004: The group ID. */
263	ISO9660U16 idGroup;
264	/** 0x008: File permissions (ISO9660_PERM_XXX). */
265	ISO9660U16BE fPermissions;
266	/** 0x00a: File creation timestamp. */
267	ISO9660TIMESTAMP BirthTimestamp;
268	/** 0x01b: File modification timestamp. */
269	ISO9660TIMESTAMP ModifyTimestamp;
270	/** 0x02c: File expiration timestamp. */
271	ISO9660TIMESTAMP ExpireTimestamp;
272	/** 0x03d: File effective timestamp. */
273	ISO9660TIMESTAMP EffectiveTimestamp;
274	/** 0x04e: Record format. */
275	uint8_t bRecordFormat;
276	/** 0x04f: Record attributes. */
277	uint8_t fRecordAttrib;
278	/** 0x050: Record length. */
279	ISO9660U16 RecordLength;
280	/** 0x054: System identifier (a-characters or a1-characters). */
281	char achSystemId[0x20];
282	/** 0x074: System specific bytes. */
283	uint8_t abSystemUse[64];
284	/** 0x0b4: Extended attribute record version (ISO9660EXATTRREC_VERSION). */
285	uint8_t bExtRecVersion;
286	/** 0x0b5: Length of escape sequences. */
287	uint8_t cbEscapeSequences;
288	/** 0x0b6: Reserved for the future, MBZ. */
289	uint8_t abReserved183[64];
290	/** 0x0f6: Length of the application use field. */
291	ISO9660U16 cbAppUse;
292	/** 0x0fa: Variable sized application use field. */
293	uint8_t abAppUse[RT_FLEXIBLE_ARRAY];
294	/* This is followed by escape sequences with length given by cbEscapeSequnces. */
295	} ISO9660EXATTRREC;
296	AssertCompileMemberOffset(ISO9660EXATTRREC, EffectiveTimestamp, 0x03d);
297	AssertCompileMemberOffset(ISO9660EXATTRREC, cbAppUse, 0x0f6);
298
299	/** The ISO9660EXATTRREC::bExtRecVersion value. */
300	#define ISO9660EXATTRREC_VERSION UINT8_C(0x01)
301
302	/** @name ISO9660_PERM_XXX - ISO9660EXATTRREC::fPermissions
303	* @{ */
304	/** @todo figure out this weird permission stuff... */
305	/** @} */
306
307
308	/**
309	* ISO 9660 volume descriptor header.
310	*/
311	typedef struct ISO9660VOLDESCHDR
312	{
313	/** Descriptor type ISO9660VOLDESC_TYPE_XXX. */
314	uint8_t bDescType;
315	/** Standard identifier 'CD001' */
316	uint8_t achStdId[5];
317	/** The descriptor version. */
318	uint8_t bDescVersion;
319	/* (This is followed by the descriptor specific data). */
320	} ISO9660VOLDESCHDR;
321	AssertCompileSize(ISO9660VOLDESCHDR, 7);
322	/** Pointer to a volume descriptor header. */
323	typedef ISO9660VOLDESCHDR *PISO9660VOLDESCHDR;
324	/** Pointer to a const volume descriptor header. */
325	typedef ISO9660VOLDESCHDR const *PCISO9660VOLDESCHDR;
326
327	/** @name ISO9660VOLDESC_TYPE_XXX - volume descriptor types
328	* @{ */
329	/** See ISO9660BOOTRECORD. */
330	#define ISO9660VOLDESC_TYPE_BOOT_RECORD UINT8_C(0x00)
331	/** See ISO9660PRIMARYVOLDESC. */
332	#define ISO9660VOLDESC_TYPE_PRIMARY UINT8_C(0x01)
333	/** See ISO9660SUPVOLDESC. */
334	#define ISO9660VOLDESC_TYPE_SUPPLEMENTARY UINT8_C(0x02)
335	/** See ISO9660VOLPARTDESC. */
336	#define ISO9660VOLDESC_TYPE_PARTITION UINT8_C(0x03)
337	/** Terminates the volume descriptor set. Has no data (zeros), version is 1. */
338	#define ISO9660VOLDESC_TYPE_TERMINATOR UINT8_C(0xff)
339	/** @} */
340
341	/** The value of ISO9660VOLDESCHDR::achStdId */
342	#define ISO9660VOLDESC_STD_ID "CD001"
343	#define ISO9660VOLDESC_STD_ID_0 'C'
344	#define ISO9660VOLDESC_STD_ID_1 'D'
345	#define ISO9660VOLDESC_STD_ID_2 '0'
346	#define ISO9660VOLDESC_STD_ID_3 '0'
347	#define ISO9660VOLDESC_STD_ID_4 '1'
348
349
350
351	/**
352	* ISO 9660 boot record (volume descriptor).
353	*/
354	typedef struct ISO9660BOOTRECORD
355	{
356	/** The volume descriptor header.
357	* Type is ISO9660VOLDESC_TYPE_BOOT_RECORD and version
358	* ISO9660BOOTRECORD_VERSION. */
359	ISO9660VOLDESCHDR Hdr;
360	/** Boot system identifier string (a-characters). */
361	char achBootSystemId[32];
362	/** Boot identifier (a-characters). */
363	char achBootId[32];
364	/** Boot system specific content. */
365	uint8_t abBootSystemSpecific[1977];
366	} ISO9660BOOTRECORD;
367	AssertCompileSize(ISO9660BOOTRECORD, ISO9660_SECTOR_SIZE);
368	/** Pointer to an ISO 9660 boot record. */
369	typedef ISO9660BOOTRECORD *PISO9660BOOTRECORD;
370	/** Pointer to a const ISO 9660 boot record. */
371	typedef ISO9660BOOTRECORD const *PCISO9660BOOTRECORD;
372
373	/** The value of ISO9660BOOTRECORD::Hdr.uDescVersion. */
374	#define ISO9660BOOTRECORD_VERSION UINT8_C(1)
375
376
377	/**
378	* ISO 9660 boot record (volume descriptor), El Torito variant.
379	*/
380	#pragma pack(1)
381	typedef struct ISO9660BOOTRECORDELTORITO
382	{
383	/** 0x000: The volume descriptor header.
384	* Type is ISO9660VOLDESC_TYPE_BOOT_RECORD and version
385	* ISO9660BOOTRECORD_VERSION. */
386	ISO9660VOLDESCHDR Hdr;
387	/** 0x007: Boot system identifier string,
388	* zero padded ISO9660BOOTRECORDELTORITO_BOOT_SYSTEM_ID. */
389	char achBootSystemId[32];
390	/** 0x027: Boot identifier - all zeros. */
391	char achBootId[32];
392	/** 0x047: Boot catalog location (block offset), always (?) little endian.
393	* @note Misaligned. */
394	uint32_t offBootCatalog;
395	/** 0x04b: Unused - all zeros. */
396	uint8_t abBootSystemSpecific[1973];
397	} ISO9660BOOTRECORDELTORITO;
398	#pragma pack()
399	AssertCompileSize(ISO9660BOOTRECORDELTORITO, ISO9660_SECTOR_SIZE);
400	/** Pointer to an ISO 9660 El Torito boot record. */
401	typedef ISO9660BOOTRECORDELTORITO *PISO9660BOOTRECORDELTORITO;
402	/** Pointer to a const ISO 9660 El Torito boot record. */
403	typedef ISO9660BOOTRECORDELTORITO const *PCISO9660BOOTRECORDELTORITO;
404
405	/** The value of ISO9660BOOTRECORDELTORITO::achBootSystemId (zero padded). */
406	#define ISO9660BOOTRECORDELTORITO_BOOT_SYSTEM_ID "EL TORITO SPECIFICATION"
407
408
409	/**
410	* ISO 9660 primary volume descriptor.
411	*/
412	typedef struct ISO9660PRIMARYVOLDESC
413	{
414	/** 0x000: The volume descriptor header.
415	* Type is ISO9660VOLDESC_TYPE_PRIMARY and version
416	* ISO9660PRIMARYVOLDESC_VERSION. */
417	ISO9660VOLDESCHDR Hdr;
418	/** 0x007: Explicit alignment zero padding. */
419	uint8_t bPadding8;
420	/** 0x008: System identifier (a-characters). */
421	char achSystemId[32];
422	/** 0x028: Volume identifier (d-characters). */
423	char achVolumeId[32];
424	/** 0x048: Unused field, zero filled. */
425	ISO9660U32 Unused73;
426	/** 0x050: Volume space size in logical blocks (cbLogicalBlock). */
427	ISO9660U32 VolumeSpaceSize;
428	/** 0x058: Unused field(s), zero filled. */
429	uint8_t abUnused89[32];
430	/** 0x078: The number of volumes in the volume set. */
431	ISO9660U16 cVolumesInSet;
432	/** 0x07c: Volume sequence number. */
433	ISO9660U16 VolumeSeqNo;
434	/** 0x080: Logical block size in bytes. */
435	ISO9660U16 cbLogicalBlock;
436	/** 0x084: Path table size. */
437	ISO9660U32 cbPathTable;
438	/** 0x08c: Type L(ittle endian) path table location (block offset). */
439	ISO9660U32LE offTypeLPathTable;
440	/** 0x090: Optional type L(ittle endian) path table location (block offset). */
441	ISO9660U32LE offOptionalTypeLPathTable;
442	/** 0x094: Type M (big endian) path table location (block offset). */
443	ISO9660U32BE offTypeMPathTable;
444	/** 0x098: Optional type M (big endian) path table location (block offset). */
445	ISO9660U32BE offOptionalTypeMPathTable;
446	/** 0x09c: Directory entry for the root directory (union). */
447	union
448	{
449	uint8_t ab[34];
450	ISO9660DIRREC DirRec;
451	} RootDir;
452	/** 0x0be: Volume set identifier (d-characters). */
453	char achVolumeSetId[128];
454	/** 0x13e: Publisher identifier (a-characters). Alternatively, it may refere to
455	* a file in the root dir if it starts with 0x5f and restricts itself to 8
456	* d-characters. */
457	char achPublisherId[128];
458	/** 0x1be: Data preparer identifier (a-characters).
459	* Same file reference alternative as previous field. */
460	char achDataPreparerId[128];
461	/** 0x23e: Application identifier (a-characters).
462	* Same file reference alternative as previous field. */
463	char achApplicationId[128];
464	/** 0x2be: Copyright (root) file identifier (d-characters).
465	* All spaces if none. */
466	char achCopyrightFileId[37];
467	/** 0x2e3: Abstract (root) file identifier (d-characters).
468	* All spaces if none. */
469	char achAbstractFileId[37];
470	/** 0x308: Bibliographic file identifier (d-characters).
471	* All spaces if none. */
472	char achBibliographicFileId[37];
473	/** 0x32d: Volume creation date and time. */
474	ISO9660TIMESTAMP BirthTime;
475	/** 0x33e: Volume modification date and time. */
476	ISO9660TIMESTAMP ModifyTime;
477	/** 0x34f: Volume (data) expiration date and time.
478	* If not specified, don't regard data as obsolete. */
479	ISO9660TIMESTAMP ExpireTime;
480	/** 0x360: Volume (data) effective date and time.
481	* If not specified, info can be used immediately. */
482	ISO9660TIMESTAMP EffectiveTime;
483	/** 0x371: File structure version (ISO9660_FILE_STRUCTURE_VERSION). */
484	uint8_t bFileStructureVersion;
485	/** 0x372: Reserve for future, MBZ. */
486	uint8_t bReserved883;
487	/** 0x373: Reserve for future.
488	* mkisofs & genisoimage & libisofs seems to space pad this most of the time.
489	* Microsoft image (2.56) zero pads it. isomd5sum uses it to store checksum
490	* info for the iso and space pads it. */
491	uint8_t abAppUse[512];
492	/** 0x573: Reserved for future standardization, MBZ. */
493	uint8_t abReserved1396[653];
494	} ISO9660PRIMARYVOLDESC;
495	AssertCompileSize(ISO9660PRIMARYVOLDESC, ISO9660_SECTOR_SIZE);
496	/** Pointer to a ISO 9660 primary volume descriptor. */
497	typedef ISO9660PRIMARYVOLDESC *PISO9660PRIMARYVOLDESC;
498	/** Pointer to a const ISO 9660 primary volume descriptor. */
499	typedef ISO9660PRIMARYVOLDESC const *PCISO9660PRIMARYVOLDESC;
500
501	/** The value of ISO9660PRIMARYVOLDESC::Hdr.uDescVersion. */
502	#define ISO9660PRIMARYVOLDESC_VERSION UINT8_C(1)
503	/** The value of ISO9660PRIMARYVOLDESC::bFileStructureVersion and
504	* ISO9660SUPVOLDESC::bFileStructureVersion. */
505	#define ISO9660_FILE_STRUCTURE_VERSION UINT8_C(1)
506
507
508
509	/**
510	* ISO 9660 supplementary volume descriptor.
511	*
512	* This is in the large parts identicial to the primary descriptor, except it
513	* have a few more fields where the primary one has reserved spaces.
514	*/
515	typedef struct ISO9660SUPVOLDESC
516	{
517	/** 0x000: The volume descriptor header.
518	* Type is ISO9660VOLDESC_TYPE_SUPPLEMENTARY and version
519	* ISO9660SUPVOLDESC_VERSION. */
520	ISO9660VOLDESCHDR Hdr;
521	/** 0x007: Volume flags (ISO9660SUPVOLDESC_VOL_F_XXX).
522	* @note This is reserved in the primary volume descriptor. */
523	uint8_t fVolumeFlags;
524	/** 0x008: System identifier (a1-characters) of system that can act upon
525	* sectors 0 thru 15.
526	* @note Purpose differs from primary description. */
527	char achSystemId[32];
528	/** 0x028: Volume identifier (d1-characters).
529	* @note Character set differs from primary description. */
530	char achVolumeId[32];
531	/** 0x048: Unused field, zero filled. */
532	ISO9660U32 Unused73;
533	/** 0x050: Volume space size in logical blocks (cbLogicalBlock). */
534	ISO9660U32 VolumeSpaceSize;
535	/** 0x058: Escape sequences.
536	* Complicated stuff, see ISO 2022 and ECMA-35.
537	* @note This is reserved in the primary volume descriptor. */
538	uint8_t abEscapeSequences[32];
539	/** 0x078: The number of volumes in the volume set. */
540	ISO9660U16 cVolumesInSet;
541	/** 0x07c: Volume sequence number. */
542	ISO9660U16 VolumeSeqNo;
543	/** 0x080: Logical block size in bytes. */
544	ISO9660U16 cbLogicalBlock;
545	/** 0x084: Path table size. */
546	ISO9660U32 cbPathTable;
547	/** 0x08c: Type L(ittle endian) path table location (block offset). */
548	ISO9660U32LE offTypeLPathTable;
549	/** 0x090: Optional type L(ittle endian) path table location (block offset). */
550	ISO9660U32LE offOptionalTypeLPathTable;
551	/** 0x094: Type M (big endian) path table location (block offset). */
552	ISO9660U32BE offTypeMPathTable;
553	/** 0x098: Optional type M (big endian) path table location (block offset). */
554	ISO9660U32BE offOptionalTypeMPathTable;
555	/** 0x09c: Directory entry for the root directory (union). */
556	union
557	{
558	uint8_t ab[34];
559	ISO9660DIRREC DirRec;
560	} RootDir;
561	/** 0x0be: Volume set identifier (d1-characters).
562	* @note Character set differs from primary description. */
563	char achVolumeSetId[128];
564	/** 0x13e: Publisher identifier (a1-characters). Alternatively, it may refere
565	* to a file in the root dir if it starts with 0x5f and restricts itself to 8
566	* d1-characters.
567	* @note Character set differs from primary description. */
568	char achPublisherId[128];
569	/** 0x1be: Data preparer identifier (a1-characters).
570	* Same file reference alternative as previous field.
571	* @note Character set differs from primary description. */
572	char achDataPreparerId[128];
573	/** 0x23e: Application identifier (a1-characters).
574	* Same file reference alternative as previous field.
575	* @note Character set differs from primary description. */
576	char achApplicationId[128];
577	/** 0x2be: Copyright (root) file identifier (d1-characters).
578	* All spaces if none.
579	* @note Character set differs from primary description. */
580	char achCopyrightFileId[37];
581	/** 0x2e3: Abstract (root) file identifier (d1-characters).
582	* All spaces if none.
583	* @note Character set differs from primary description. */
584	char achAbstractFileId[37];
585	/** 0x308: Bibliographic file identifier (d1-characters).
586	* All spaces if none.
587	* @note Character set differs from primary description. */
588	char achBibliographicFileId[37];
589	/** 0x32d: Volume creation date and time. */
590	ISO9660TIMESTAMP BirthTime;
591	/** 0x33e: Volume modification date and time. */
592	ISO9660TIMESTAMP ModifyTime;
593	/** 0x34f: Volume (data) expiration date and time.
594	* If not specified, don't regard data as obsolete. */
595	ISO9660TIMESTAMP ExpireTime;
596	/** 0x360: Volume (data) effective date and time.
597	* If not specified, info can be used immediately. */
598	ISO9660TIMESTAMP EffectiveTime;
599	/** 0x371: File structure version (ISO9660_FILE_STRUCTURE_VERSION). */
600	uint8_t bFileStructureVersion;
601	/** 0x372: Reserve for future, MBZ. */
602	uint8_t bReserved883;
603	/** 0x373: Reserve for future, MBZ. */
604	uint8_t abAppUse[512];
605	/** 0x573: Reserved for future standardization, MBZ. */
606	uint8_t abReserved1396[653];
607	} ISO9660SUPVOLDESC;
608	AssertCompileSize(ISO9660SUPVOLDESC, ISO9660_SECTOR_SIZE);
609	/** Pointer to a ISO 9660 supplementary volume descriptor. */
610	typedef ISO9660SUPVOLDESC *PISO9660SUPVOLDESC;
611	/** Pointer to a const ISO 9660 supplementary volume descriptor. */
612	typedef ISO9660SUPVOLDESC const *PCISO9660SUPVOLDESC;
613	/** The value of ISO9660SUPVOLDESC::Hdr.uDescVersion. */
614	#define ISO9660SUPVOLDESC_VERSION UINT8_C(1)
615
616	/** @name ISO9660SUPVOLDESC_VOL_F_XXX - ISO9660SUPVOLDESC::fVolumeFlags
617	* @{ */
618	#define ISO9660SUPVOLDESC_VOL_F_ESC_ONLY_REG UINT8_C(0x00)
619	#define ISO9660SUPVOLDESC_VOL_F_ESC_NOT_REG UINT8_C(0x01)
620	/** @} */
621
622
623
624	/**
625	* ISO 9660 volume partition descriptor.
626	*/
627	typedef struct ISO9660VOLPARTDESC
628	{
629	/** 0x000: The volume descriptor header.
630	* Type is ISO9660VOLDESC_TYPE_PARTITION and version
631	* ISO9660VOLPARTDESC_VERSION. */
632	ISO9660VOLDESCHDR Hdr;
633	/** 0x007: Alignment padding. */
634	uint8_t bPadding8;
635	/** 0x008: System identifier (a-characters). */
636	char achSystemId[32];
637	/** 0x028: Volume partition identifier (d-characters). */
638	char achVolumePartitionId[32];
639	/** 0x048: The location of the partition (logical block number). */
640	ISO9660U32 offVolumePartition;
641	/** 0x050: The partition size in logical blocks (cbLogicalBlock). */
642	ISO9660U32 VolumePartitionSize;
643	/** 0x058: System specific data. */
644	uint8_t achSystemUse[1960];
645	} ISO9660VOLPARTDESC;
646	AssertCompileSize(ISO9660VOLPARTDESC, ISO9660_SECTOR_SIZE);
647	/** Pointer to an ISO 9660 volume partition description. */
648	typedef ISO9660VOLPARTDESC *PISO9660VOLPARTDESC;
649	/** Pointer to a const ISO 9660 volume partition description. */
650	typedef ISO9660VOLPARTDESC const *PCISO9660VOLPARTDESC;
651	/** The value of ISO9660VOLPARTDESC::Hdr.uDescVersion. */
652	#define ISO9660VOLPARTDESC_VERSION UINT8_C(1)
653
654
655
656	/** @name Joliet escape sequence identifiers.
657	*
658	* These bytes appears in the supplementary volume descriptor field
659	* abEscapeSequences. The ISO9660SUPVOLDESC_VOL_F_ESC_NOT_REG flags will not
660	* be set.
661	*
662	* @{ */
663	#define ISO9660_JOLIET_ESC_SEQ_0 UINT8_C(0x25) /*< First escape sequence byte./
664	#define ISO9660_JOLIET_ESC_SEQ_1 UINT8_C(0x2f) /*< Second escape sequence byte./
665	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_1 UINT8_C(0x40) /*< Third escape sequence byte: level 1 /
666	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_2 UINT8_C(0x43) /*< Third escape sequence byte: level 2 /
667	#define ISO9660_JOLIET_ESC_SEQ_2_LEVEL_3 UINT8_C(0x45) /*< Third escape sequence byte: level 3 /
668	/** @} */
669
670
671	/** The size of an El Torito boot catalog entry. */
672	#define ISO9660_ELTORITO_ENTRY_SIZE UINT32_C(0x20)
673
674	/**
675	* El Torito boot catalog: Validation entry.
676	*
677	* This is the first entry in the boot catalog. It is followed by a
678	* ISO9660ELTORITODEFAULTENTRY, which in turn is followed by a
679	* ISO9660ELTORITOSECTIONHEADER.
680	*/
681	typedef struct ISO9660ELTORITOVALIDATIONENTRY
682	{
683	/** 0x00: The header ID (ISO9660_ELTORITO_HEADER_ID_VALIDATION_ENTRY). */
684	uint8_t bHeaderId;
685	/** 0x01: The platform ID (ISO9660_ELTORITO_PLATFORM_ID_XXX). */
686	uint8_t bPlatformId;
687	/** 0x02: Reserved, MBZ. */
688	uint16_t u16Reserved;
689	/** 0x04: String ID of the developer of the CD/DVD-ROM. */
690	char achId[24];
691	/** 0x1c: The checksum. */
692	uint16_t u16Checksum;
693	/** 0x1e: Key byte 1 (ISO9660_ELTORITO_KEY_BYTE_1). */
694	uint8_t bKey1;
695	/** 0x1f: Key byte 2 (ISO9660_ELTORITO_KEY_BYTE_2). */
696	uint8_t bKey2;
697	} ISO9660ELTORITOVALIDATIONENTRY;
698	AssertCompileSize(ISO9660ELTORITOVALIDATIONENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
699	/** Pointer to an El Torito validation entry. */
700	typedef ISO9660ELTORITOVALIDATIONENTRY *PISO9660ELTORITOVALIDATIONENTRY;
701	/** Pointer to a const El Torito validation entry. */
702	typedef ISO9660ELTORITOVALIDATIONENTRY const *PCISO9660ELTORITOVALIDATIONENTRY;
703
704	/** ISO9660ELTORITOVALIDATIONENTRY::bKey1 value. */
705	#define ISO9660_ELTORITO_KEY_BYTE_1 UINT8_C(0x55)
706	/** ISO9660ELTORITOVALIDATIONENTRY::bKey2 value. */
707	#define ISO9660_ELTORITO_KEY_BYTE_2 UINT8_C(0xaa)
708
709
710	/** @name ISO9660_ELTORITO_HEADER_ID_XXX - header IDs.
711	* @{ */
712	/** Header ID for a ISO9660ELTORITOVALIDATIONENTRY. */
713	#define ISO9660_ELTORITO_HEADER_ID_VALIDATION_ENTRY UINT8_C(0x01)
714	/** Header ID for a ISO9660ELTORITOSECTIONHEADER. */
715	#define ISO9660_ELTORITO_HEADER_ID_SECTION_HEADER UINT8_C(0x90)
716	/** Header ID for the final ISO9660ELTORITOSECTIONHEADER. */
717	#define ISO9660_ELTORITO_HEADER_ID_FINAL_SECTION_HEADER UINT8_C(0x91)
718	/** @} */
719
720
721	/** @name ISO9660_ELTORITO_PLATFORM_ID_XXX - El Torito Platform IDs
722	* @{ */
723	#define ISO9660_ELTORITO_PLATFORM_ID_X86 UINT8_C(0x00) /*< 80x86 /
724	#define ISO9660_ELTORITO_PLATFORM_ID_PPC UINT8_C(0x01) /*< PowerPC /
725	#define ISO9660_ELTORITO_PLATFORM_ID_MAC UINT8_C(0x02) /*< Mac /
726	#define ISO9660_ELTORITO_PLATFORM_ID_EFI UINT8_C(0xef) /*< UEFI /
727	/** @} */
728
729
730	/**
731	* El Torito boot catalog: Section header entry.
732	*
733	* A non-final section header entry is followed by
734	* ISO9660ELTORITOSECTIONHEADER::cEntries ISO9660ELTORITOSECTIONTENTRY instances.
735	*/
736	typedef struct ISO9660ELTORITOSECTIONHEADER
737	{
738	/** 0x00: Header ID - ISO9660_ELTORITO_HEADER_ID_SECTION_HEADER or
739	* ISO9660_ELTORITO_HEADER_ID_FINAL_SECTION_HEADER (if final). */
740	uint8_t bHeaderId;
741	/** 0x01: The platform ID (ISO9660_ELTORITO_PLATFORM_ID_XXX). */
742	uint8_t bPlatformId;
743	/** 0x02: Number of entries in this section (i.e. following this header). */
744	uint16_t cEntries;
745	/** 0x04: String ID for the section. */
746	char achSectionId[28];
747	} ISO9660ELTORITOSECTIONHEADER;
748	AssertCompileSize(ISO9660ELTORITOSECTIONHEADER, ISO9660_ELTORITO_ENTRY_SIZE);
749	/** Pointer to an El Torito section header entry. */
750	typedef ISO9660ELTORITOSECTIONHEADER *PISO9660ELTORITOSECTIONHEADER;
751	/** Pointer to a const El Torito section header entry. */
752	typedef ISO9660ELTORITOSECTIONHEADER const *PCISO9660ELTORITOSECTIONHEADER;
753
754
755	/**
756	* El Torito boot catalog: Default (initial) entry.
757	*
758	* Followed by ISO9660ELTORITOSECTIONHEADER.
759	*
760	* Differs from ISO9660ELTORITOSECTIONENTRY in that it doesn't have a
761	* selection criteria and no media flags (only type).
762	*/
763	typedef struct ISO9660ELTORITODEFAULTENTRY
764	{
765	/** 0x00: Boot indicator (ISO9660_ELTORITO_BOOT_INDICATOR_XXX). */
766	uint8_t bBootIndicator;
767	/** 0x01: Boot media type. The first four bits are defined by
768	* ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX, whereas the top four bits MBZ. */
769	uint8_t bBootMediaType;
770	/** 0x02: Load segment - load address divided by 0x10. */
771	uint16_t uLoadSeg;
772	/** 0x04: System type from image partition table. */
773	uint8_t bSystemType;
774	/** 0x05: Unused, MBZ. */
775	uint8_t bUnused;
776	/** 0x06: Number of emulated 512 byte sectors to load. */
777	uint16_t cEmulatedSectorsToLoad;
778	/** 0x08: Image location in the ISO (block offset), always (?) little endian. */
779	uint32_t offBootImage;
780	/** 0x0c: Reserved, MBZ */
781	uint8_t abReserved[20];
782	} ISO9660ELTORITODEFAULTENTRY;
783	AssertCompileSize(ISO9660ELTORITODEFAULTENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
784	/** Pointer to an El Torito default (initial) entry. */
785	typedef ISO9660ELTORITODEFAULTENTRY *PISO9660ELTORITODEFAULTENTRY;
786	/** Pointer to a const El Torito default (initial) entry. */
787	typedef ISO9660ELTORITODEFAULTENTRY const *PCISO9660ELTORITODEFAULTENTRY;
788
789
790	/**
791	* El Torito boot catalg: Section entry.
792	*/
793	typedef struct ISO9660ELTORITOSECTIONENTRY
794	{
795	/** 0x00: Boot indicator (ISO9660_ELTORITO_BOOT_INDICATOR_XXX). */
796	uint8_t bBootIndicator;
797	/** 0x01: Boot media type and flags. The first four bits are defined by
798	* ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX and the top four bits by
799	* ISO9660_ELTORITO_BOOT_MEDIA_F_XXX. */
800	uint8_t bBootMediaType;
801	/** 0x02: Load segment - load address divided by 0x10. */
802	uint16_t uLoadSeg;
803	/** 0x04: System type from image partition table. */
804	uint8_t bSystemType;
805	/** 0x05: Unused, MBZ. */
806	uint8_t bUnused;
807	/** 0x06: Number of emulated 512 byte sectors to load. */
808	uint16_t cEmulatedSectorsToLoad;
809	/** 0x08: Image location in the ISO (block offset), always (?) little endian. */
810	uint32_t offBootImage;
811	/** 0x0c: Selection criteria type (ISO9660_ELTORITO_SEL_CRIT_TYPE_XXX). */
812	uint8_t bSelectionCriteriaType;
813	/** 0x0c: Selection criteria specific data. */
814	uint8_t abSelectionCriteria[19];
815	} ISO9660ELTORITOSECTIONENTRY;
816	AssertCompileSize(ISO9660ELTORITOSECTIONENTRY, ISO9660_ELTORITO_ENTRY_SIZE);
817	/** Pointer to an El Torito default (initial) entry. */
818	typedef ISO9660ELTORITOSECTIONENTRY *PISO9660ELTORITOSECTIONENTRY;
819	/** Pointer to a const El Torito default (initial) entry. */
820	typedef ISO9660ELTORITOSECTIONENTRY const *PCISO9660ELTORITOSECTIONENTRY;
821
822
823	/** @name ISO9660_ELTORITO_BOOT_INDICATOR_XXX - Boot indicators.
824	* @{ */
825	#define ISO9660_ELTORITO_BOOT_INDICATOR_BOOTABLE UINT8_C(0x88)
826	#define ISO9660_ELTORITO_BOOT_INDICATOR_NOT_BOOTABLE UINT8_C(0x00)
827	/** @} */
828
829	/** @name ISO9660_ELTORITO_BOOT_MEDIA_TYPE_XXX - Boot media types.
830	* @{ */
831	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_NO_EMULATION UINT8_C(0x0)
832	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_1_2_MB UINT8_C(0x1)
833	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_1_44_MB UINT8_C(0x2)
834	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_FLOPPY_2_88_MB UINT8_C(0x3)
835	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_HARD_DISK UINT8_C(0x4)
836	#define ISO9660_ELTORITO_BOOT_MEDIA_TYPE_MASK UINT8_C(0xf) /*< The media type mask. /
837	/** @} */
838
839	/** @name ISO9660_ELTORITO_BOOT_MEDIA_F_XXX - Boot media flags.
840	* These only applies to the section entry, not to the default (initial) entry.
841	* @{ */
842	#define ISO9660_ELTORITO_BOOT_MEDIA_F_RESERVED UINT8_C(0x10) /*< Reserved bit, MBZ. /
843	#define ISO9660_ELTORITO_BOOT_MEDIA_F_CONTINUATION UINT8_C(0x20) /*< Contiunation entry follows. /
844	#define ISO9660_ELTORITO_BOOT_MEDIA_F_ATAPI_DRIVER UINT8_C(0x40) /*< Image contains an ATAPI driver. /
845	#define ISO9660_ELTORITO_BOOT_MEDIA_F_SCSI_DRIVERS UINT8_C(0x80) /*< Image contains SCSI drivers. /
846	#define ISO9660_ELTORITO_BOOT_MEDIA_F_MASK UINT8_C(0xf0) /*< The media/entry flag mask. /
847	/** @} */
848
849	/** @name ISO9660_ELTORITO_SEL_CRIT_TYPE_XXX - Selection criteria type.
850	* @{ */
851	#define ISO9660_ELTORITO_SEL_CRIT_TYPE_NONE UINT8_C(0x00) /*< No selection criteria /
852	#define ISO9660_ELTORITO_SEL_CRIT_TYPE_LANG_AND_VERSION UINT8_C(0x01) /*< Language and version (IBM). /
853	/** @} */
854
855
856	/**
857	* El Torito boot catalog: Section entry extension.
858	*
859	* This is used for carrying additional selection criteria data. It follows
860	* a ISO9660ELTORITOSECTIONENTRY.
861	*/
862	typedef struct ISO9660ELTORITOSECTIONENTRYEXT
863	{
864	/** 0x00: Extension indicator (ISO9660_ELTORITO_SECTION_ENTRY_EXT_ID). */
865	uint8_t bExtensionId;
866	/** 0x01: Selection criteria extension flags (ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_XXX). */
867	uint8_t fFlags;
868	/** 0x02: Selection critiera data. */
869	uint8_t abSelectionCriteria[30];
870	} ISO9660ELTORITOSECTIONENTRYEXT;
871	AssertCompileSize(ISO9660ELTORITOSECTIONENTRYEXT, ISO9660_ELTORITO_ENTRY_SIZE);
872	/** Pointer to an El Torito default (initial) entry. */
873	typedef ISO9660ELTORITOSECTIONENTRYEXT *PISO9660ELTORITOSECTIONENTRYEXT;
874	/** Pointer to a const El Torito default (initial) entry. */
875	typedef ISO9660ELTORITOSECTIONENTRYEXT const *PCISO9660ELTORITOSECTIONENTRYEXT;
876
877	/** Value of ISO9660ELTORITOSECTIONENTRYEXT::bExtensionId. */
878	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_ID UINT8_C(0x44)
879
880	/** @name ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_XXX - ISO9660ELTORITOSECTIONENTRYEXT::fFlags
881	* @{ */
882	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_MORE UINT8_C(0x20) /*< Further extension entries follows. /
883	#define ISO9660_ELTORITO_SECTION_ENTRY_EXT_F_UNUSED_MASK UINT8_C(0xef) /*< Mask of all unused bits. /
884	/** @} */
885
886
887	/**
888	* Boot information table used by isolinux and GRUB2 El Torito boot files.
889	*/
890	typedef struct ISO9660SYSLINUXINFOTABLE
891	{
892	/** 0x00/0x08: Offset of the primary volume descriptor (block offset). */
893	uint32_t offPrimaryVolDesc;
894	/** 0x04/0x0c: Offset of the boot file (block offset). */
895	uint32_t offBootFile;
896	/** 0x08/0x10: Size of the boot file in bytes. */
897	uint32_t cbBootFile;
898	/** 0x0c/0x14: Boot file checksum.
899	* This is the sum of all the 32-bit words in the image, start at the end of
900	* this structure (i.e. offset 64). */
901	uint32_t uChecksum;
902	/** 0x10/0x18: Reserved for future fun. */
903	uint32_t auReserved[10];
904	} ISO9660SYSLINUXINFOTABLE;
905	AssertCompileSize(ISO9660SYSLINUXINFOTABLE, 56);
906	/** Pointer to a syslinux boot information table. */
907	typedef ISO9660SYSLINUXINFOTABLE *PISO9660SYSLINUXINFOTABLE;
908	/** Pointer to a const syslinux boot information table. */
909	typedef ISO9660SYSLINUXINFOTABLE const *PCISO9660SYSLINUXINFOTABLE;
910
911	/** The file offset of the isolinux boot info table. */
912	#define ISO9660SYSLINUXINFOTABLE_OFFSET 8
913
914
915
916	/**
917	* System Use Sharing Protocol Protocol (SUSP) header.
918	*/
919	typedef struct ISO9660SUSPHDR
920	{
921	/** Signature byte 1. */
922	uint8_t bSig1;
923	/** Signature byte 2. */
924	uint8_t bSig2;
925	/** Length of the entry (including the header). */
926	uint8_t cbEntry;
927	/** Entry version number. */
928	uint8_t bVersion;
929	} ISO9660SUSPHDR;
930	AssertCompileSize(ISO9660SUSPHDR, 4);
931	/** Pointer to a SUSP header. */
932	typedef ISO9660SUSPHDR *PISO9660SUSPHDR;
933	/** Pointer to a const SUSP header. */
934	typedef ISO9660SUSPHDR const *PCISO9660SUSPHDR;
935
936
937	/**
938	* SUSP continuation entry (CE).
939	*/
940	typedef struct ISO9660SUSPCE
941	{
942	/** Header (ISO9660SUSPCE_SIG1, ISO9660SUSPCE_SIG2, ISO9660SUSPCE_VER). */
943	ISO9660SUSPHDR Hdr;
944	/** The offset of the continutation data block (block offset). */
945	ISO9660U32 offBlock;
946	/** The byte offset in the block of the contiuation data. */
947	ISO9660U32 offData;
948	/** The size of the continuation data. */
949	ISO9660U32 cbData;
950	} ISO9660SUSPCE;
951	/** Pointer to a SUSP continuation entry. */
952	typedef ISO9660SUSPCE *PISO9660SUSPCE;
953	/** Pointer to a const SUSP continuation entry. */
954	typedef ISO9660SUSPCE const *PCISO9660SUSPCE;
955	#define ISO9660SUSPCE_SIG1 'C' /*< SUSP continutation entry signature byte 1. /
956	#define ISO9660SUSPCE_SIG2 'E' /*< SUSP continutation entry signature byte 2. /
957	#define ISO9660SUSPCE_LEN 28 /*< SUSP continutation entry length. /
958	#define ISO9660SUSPCE_VER 1 /*< SUSP continutation entry version number. /
959	AssertCompileSize(ISO9660SUSPCE, ISO9660SUSPCE_LEN);
960
961
962	/**
963	* SUSP padding entry (PD).
964	*/
965	typedef struct ISO9660SUSPPD
966	{
967	/** Header (ISO9660SUSPPD_SIG1, ISO9660SUSPPD_SIG2, ISO9660SUSPPD_VER). */
968	ISO9660SUSPHDR Hdr;
969	/* Padding follows. */
970	} ISO9660SUSPPD;
971	AssertCompileSize(ISO9660SUSPPD, 4);
972	/** Pointer to a SUSP padding entry. */
973	typedef ISO9660SUSPPD *PISO9660SUSPPD;
974	/** Pointer to a const SUSP padding entry. */
975	typedef ISO9660SUSPPD const *PCISO9660SUSPPD;
976	#define ISO9660SUSPPD_SIG1 'P' /*< SUSP padding entry signature byte 1. /
977	#define ISO9660SUSPPD_SIG2 'D' /*< SUSP padding entry signature byte 2. /
978	#define ISO9660SUSPPD_VER 1 /*< SUSP padding entry version number. /
979
980
981	/**
982	* SUSP system use protocol entry (SP)
983	*
984	* This is only used in the '.' record of the root directory.
985	*/
986	typedef struct ISO9660SUSPSP
987	{
988	/** Header (ISO9660SUSPSP_SIG1, ISO9660SUSPSP_SIG2,
989	* ISO9660SUSPSP_LEN, ISO9660SUSPSP_VER). */
990	ISO9660SUSPHDR Hdr;
991	/** Check byte 1 (ISO9660SUSPSP_CHECK1). */
992	uint8_t bCheck1;
993	/** Check byte 2 (ISO9660SUSPSP_CHECK2). */
994	uint8_t bCheck2;
995	/** Number of bytes to skip within the system use field of each directory
996	* entry (except the '.' entry of the root, since that's where this is). */
997	uint8_t cbSkip;
998	} ISO9660SUSPSP;
999	/** Pointer to a SUSP entry. */
1000	typedef ISO9660SUSPSP *PISO9660SUSPSP;
1001	/** Pointer to a const SUSP entry. */
1002	typedef ISO9660SUSPSP const *PCISO9660SUSPSP;
1003	#define ISO9660SUSPSP_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
1004	#define ISO9660SUSPSP_SIG2 'P' /*< SUSP system use protocol entry signature byte 2. /
1005	#define ISO9660SUSPSP_VER 1 /*< SUSP system use protocol entry version number. /
1006	#define ISO9660SUSPSP_LEN 7 /*< SUSP system use protocol entry length (fixed). /
1007	#define ISO9660SUSPSP_CHECK1 UINT8_C(0xbe) /*< SUSP system use protocol entry check byte 1. /
1008	#define ISO9660SUSPSP_CHECK2 UINT8_C(0xef) /*< SUSP system use protocol entry check byte 2. /
1009	AssertCompileSize(ISO9660SUSPSP, ISO9660SUSPSP_LEN);
1010
1011
1012	/**
1013	* SUSP terminator entry (ST)
1014	*
1015	* Used to terminate system use entries.
1016	*/
1017	typedef struct ISO9660SUSPST
1018	{
1019	/** Header (ISO9660SUSPST_SIG1, ISO9660SUSPST_SIG2,
1020	* ISO9660SUSPST_LEN, ISO9660SUSPST_VER). */
1021	ISO9660SUSPHDR Hdr;
1022	} ISO9660SUSPST;
1023	/** Pointer to a SUSP padding entry. */
1024	typedef ISO9660SUSPST *PISO9660SUSPST;
1025	/** Pointer to a const SUSP padding entry. */
1026	typedef ISO9660SUSPST const *PCISO9660SUSPST;
1027	#define ISO9660SUSPST_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
1028	#define ISO9660SUSPST_SIG2 'T' /*< SUSP system use protocol entry signature byte 2. /
1029	#define ISO9660SUSPST_VER 1 /*< SUSP system use protocol entry version number. /
1030	#define ISO9660SUSPST_LEN 4 /*< SUSP system use protocol entry length (fixed). /
1031	AssertCompileSize(ISO9660SUSPST, ISO9660SUSPST_LEN);
1032
1033
1034	/**
1035	* SUSP extension record entry (ER)
1036	*
1037	* This is only used in the '.' record of the root directory. There can be multiple of these.
1038	*/
1039	typedef struct ISO9660SUSPER
1040	{
1041	/** Header (ISO9660SUSPER_SIG1, ISO9660SUSPER_SIG2, ISO9660SUSPER_VER). */
1042	ISO9660SUSPHDR Hdr;
1043	/** The length of the identifier component. */
1044	uint8_t cchIdentifier;
1045	/** The length of the description component. */
1046	uint8_t cchDescription;
1047	/** The length of the source component. */
1048	uint8_t cchSource;
1049	/** The extension version number. */
1050	uint8_t bVersion;
1051	/** The payload: first @a cchIdentifier chars of identifier string, second
1052	* @a cchDescription chars of description string, thrid @a cchSource chars
1053	* of source string. Variable length. */
1054	char achPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1055	} ISO9660SUSPER;
1056	/** Pointer to a SUSP padding entry. */
1057	typedef ISO9660SUSPER *PISO9660SUSPER;
1058	/** Pointer to a const SUSP padding entry. */
1059	typedef ISO9660SUSPER const *PCISO9660SUSPER;
1060	#define ISO9660SUSPER_SIG1 'E' /*< SUSP extension record entry signature byte 1. /
1061	#define ISO9660SUSPER_SIG2 'R' /*< SUSP extension record entry signature byte 2. /
1062	#define ISO9660SUSPER_VER 1 /*< SUSP extension record entry version number. /
1063	#define ISO9660SUSPER_OFF_PAYLOAD 8 /*< SUSP extension record entry payload member offset. /
1064	AssertCompileMemberOffset(ISO9660SUSPER, achPayload, ISO9660SUSPER_OFF_PAYLOAD);
1065
1066	/**
1067	* SUSP extension sequence entry (ES)
1068	*
1069	* This is only used in the '.' record of the root directory.
1070	*/
1071	typedef struct ISO9660SUSPES
1072	{
1073	/** Header (ISO9660SUSPES_SIG1, ISO9660SUSPES_SIG2, ISO9660SUSPES_VER). */
1074	ISO9660SUSPHDR Hdr;
1075	/** The ER entry sequence number of the extension comming first. */
1076	uint8_t iFirstExtension;
1077	} ISO9660SUSPES;
1078	/** Pointer to a SUSP padding entry. */
1079	typedef ISO9660SUSPES *PISO9660SUSPES;
1080	/** Pointer to a const SUSP padding entry. */
1081	typedef ISO9660SUSPES const *PCISO9660SUSPES;
1082	#define ISO9660SUSPES_SIG1 'E' /*< SUSP extension sequence entry signature byte 1. /
1083	#define ISO9660SUSPES_SIG2 'S' /*< SUSP extension sequence entry signature byte 2. /
1084	#define ISO9660SUSPES_VER 1 /*< SUSP extension sequence entry version number. /
1085	#define ISO9660SUSPES_LEN 5 /*< SUSP extension sequence entry length (fixed). /
1086	AssertCompileSize(ISO9660SUSPES, ISO9660SUSPES_LEN);
1087
1088
1089	/** RRIP ER identifier string from Rock Ridge Interchange Protocol v1.10 specs. */
1090	#define ISO9660_RRIP_ID "RRIP_1991A"
1091	/** RRIP ER recommended description string (from RRIP v1.10 specs). */
1092	#define ISO9660_RRIP_DESC "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS"
1093	/** RRIP ER recommended source string (from RRIP v1.10 specs). */
1094	#define ISO9660_RRIP_SRC "PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE. SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR CONTACT INFORMATION."
1095	/** RRIP ER version field value from the Rock Ridge Interchange Protocol v1.10 specs. */
1096	#define ISO9660_RRIP_VER 1
1097	/** The length of a RRIP v1.10 ER record.
1098	* The record must be constructed using ISO9660_RRIP_ID, ISO9660_RRIP_DESC
1099	* and ISO9660_RRIP_SRC. */
1100	#define ISO9660_RRIP_ER_LEN ((uint8_t)( ISO9660SUSPER_OFF_PAYLOAD \
1101	+ sizeof(ISO9660_RRIP_ID) - 1 \
1102	+ sizeof(ISO9660_RRIP_DESC) - 1 \
1103	+ sizeof(ISO9660_RRIP_SRC) - 1 ))
1104
1105	/** RRIP ER identifier string from RRIP IEEE P1282 v1.12 draft. */
1106	#define ISO9660_RRIP_1_12_ID "IEEE_P1282"
1107	/** RRIP ER recommended description string (RRIP IEEE P1282 v1.12 draft). */
1108	#define ISO9660_RRIP_1_12_DESC "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS."
1109	/** RRIP ER recommended source string (RRIP IEEE P1282 v1.12 draft). */
1110	#define ISO9660_RRIP_1_12_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION."
1111	/** RRIP ER version field value from the Rock Ridge Interchange Protocol v1.12 specs. */
1112	#define ISO9660_RRIP_1_12_VER 1
1113	/** The length of a RRIP v1.12 ER record.
1114	* The record must be constructed using ISO9660_RRIP_1_12_ID,
1115	* ISO9660_RRIP_1_12_DESC and ISO9660_RRIP_1_12_SRC. */
1116	#define ISO9660_RRIP_1_12_ER_LEN ((uint8_t)( ISO9660SUSPER_OFF_PAYLOAD \
1117	+ sizeof(ISO9660_RRIP_1_12_ID) - 1 \
1118	+ sizeof(ISO9660_RRIP_1_12_DESC) - 1 \
1119	+ sizeof(ISO9660_RRIP_1_12_SRC) - 1 ))
1120
1121
1122	/**
1123	* Rock ridge interchange protocol - RR.
1124	*/
1125	typedef struct ISO9660RRIPRR
1126	{
1127	/** Header (ISO9660RRIPRR_SIG1, ISO9660RRIPRR_SIG2,
1128	* ISO9660RRIPRR_LEN, ISO9660RRIPRR_VER). */
1129	ISO9660SUSPHDR Hdr;
1130	/** Flags indicating which RRIP entries are present (). */
1131	uint8_t fFlags;
1132	} ISO9660RRIPRR;
1133	/** Pointer to a RRIP RR entry. */
1134	typedef ISO9660RRIPRR *PISO9660RRIPRR;
1135	/** Pointer to a const RRIP RR entry. */
1136	typedef ISO9660RRIPRR const *PCISO9660RRIPRR;
1137	#define ISO9660RRIPRR_SIG1 'R' /*< RRIP RR entry signature byte 1. /
1138	#define ISO9660RRIPRR_SIG2 'R' /*< RRIP RR entry signature byte 2. /
1139	#define ISO9660RRIPRR_VER 1 /*< RRIP RR entry version number. /
1140	#define ISO9660RRIPRR_LEN 5 /*< RRIP RR entry length (fixed). /
1141	AssertCompileSize(ISO9660RRIPRR, ISO9660RRIPRR_LEN);
1142
1143	/** @name ISO9660RRIP_RR_F_XXX - Indicates which RRIP entries are present.
1144	* @{ */
1145	#define ISO9660RRIP_RR_F_PX UINT8_C(0x01)
1146	#define ISO9660RRIP_RR_F_PN UINT8_C(0x02)
1147	#define ISO9660RRIP_RR_F_SL UINT8_C(0x04)
1148	#define ISO9660RRIP_RR_F_NM UINT8_C(0x08)
1149	#define ISO9660RRIP_RR_F_CL UINT8_C(0x10)
1150	#define ISO9660RRIP_RR_F_PL UINT8_C(0x20)
1151	#define ISO9660RRIP_RR_F_RE UINT8_C(0x40)
1152	#define ISO9660RRIP_RR_F_TF UINT8_C(0x80)
1153	/** @} */
1154
1155	/**
1156	* Rock ridge interchange protocol - posix attribute entry (PX).
1157	*/
1158	typedef struct ISO9660RRIPPX
1159	{
1160	/** Header (ISO9660RRIPPX_SIG1, ISO9660RRIPPX_SIG2,
1161	* ISO9660RRIPPX_LEN, ISO9660RRIPPX_VER). */
1162	ISO9660SUSPHDR Hdr;
1163	/** The file mode (RTFS_UNIX_XXX, RTFS_TYPE_XXX). */
1164	ISO9660U32 fMode;
1165	/** Number of hardlinks. */
1166	ISO9660U32 cHardlinks;
1167	/** User ID. */
1168	ISO9660U32 uid;
1169	/** Group ID. */
1170	ISO9660U32 gid;
1171	/** Inode number. */
1172	ISO9660U32 INode;
1173	} ISO9660RRIPPX;
1174	/** Pointer to a RRIP posix attribute entry. */
1175	typedef ISO9660RRIPPX *PISO9660RRIPPX;
1176	/** Pointer to a const RRIP posix attribute entry. */
1177	typedef ISO9660RRIPPX const *PCISO9660RRIPPX;
1178	#define ISO9660RRIPPX_SIG1 'P' /*< RRIP posix attribute entry signature byte 1. /
1179	#define ISO9660RRIPPX_SIG2 'X' /*< RRIP posix attribute entry signature byte 2. /
1180	#define ISO9660RRIPPX_VER 1 /*< RRIP posix attribute entry version number. /
1181	#define ISO9660RRIPPX_LEN 44 /*< RRIP posix attribute entry length (fixed). /
1182	AssertCompileSize(ISO9660RRIPPX, ISO9660RRIPPX_LEN);
1183	#define ISO9660RRIPPX_LEN_NO_INODE 36 /*< RRIP posix attribute entry length without inode (fixed). /
1184
1185
1186	/**
1187	* Rock ridge interchange protocol - timestamp entry (TF).
1188	*/
1189	typedef struct ISO9660RRIPTF
1190	{
1191	/** Header (ISO9660RRIPTF_SIG1, ISO9660RRIPTF_SIG2, ISO9660RRIPTF_VER). */
1192	ISO9660SUSPHDR Hdr;
1193	/** Flags, ISO9660RRIPTF_F_XXX. */
1194	uint8_t fFlags;
1195	/** Timestamp payload bytes (variable size and format). */
1196	uint8_t abPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1197	} ISO9660RRIPTF;
1198	AssertCompileMemberOffset(ISO9660RRIPTF, abPayload, 5);
1199	/** Pointer to a RRIP timestamp entry. */
1200	typedef ISO9660RRIPTF *PISO9660RRIPTF;
1201	/** Pointer to a const RRIP timestamp entry. */
1202	typedef ISO9660RRIPTF const *PCISO9660RRIPTF;
1203	#define ISO9660RRIPTF_SIG1 'T' /*< RRIP child link entry signature byte 1. /
1204	#define ISO9660RRIPTF_SIG2 'F' /*< RRIP child link entry signature byte 2. /
1205	#define ISO9660RRIPTF_VER 1 /*< RRIP child link entry version number. /
1206
1207	/** @name ISO9660RRIPTF_F_XXX - Timestmap flags.
1208	* @{ */
1209	#define ISO9660RRIPTF_F_BIRTH UINT8_C(0x01) /*< Birth (creation) timestamp is recorded. /
1210	#define ISO9660RRIPTF_F_MODIFY UINT8_C(0x02) /*< Modification timestamp is recorded. /
1211	#define ISO9660RRIPTF_F_ACCESS UINT8_C(0x04) /*< Accessed timestamp is recorded. /
1212	#define ISO9660RRIPTF_F_CHANGE UINT8_C(0x08) /*< Attribute change timestamp is recorded. /
1213	#define ISO9660RRIPTF_F_BACKUP UINT8_C(0x10) /*< Backup timestamp is recorded. /
1214	#define ISO9660RRIPTF_F_EXPIRATION UINT8_C(0x20) /*< Expiration timestamp is recorded. /
1215	#define ISO9660RRIPTF_F_EFFECTIVE UINT8_C(0x40) /*< Effective timestamp is recorded. /
1216	#define ISO9660RRIPTF_F_LONG_FORM UINT8_C(0x80) /*< If set ISO9660TIMESTAMP is used, otherwise ISO9660RECTIMESTAMP. /
1217	/** @} */
1218
1219	/**
1220	* Calculates the length of a 'TF' entry given the flags.
1221	*
1222	* @returns Length in bytes.
1223	* @param fFlags The flags (ISO9660RRIPTF_F_XXX).
1224	*/
1225	DECLINLINE(uint8_t) Iso9660RripTfCalcLength(uint8_t fFlags)
1226	{
1227	unsigned cTimestamps = ((fFlags & ISO9660RRIPTF_F_BIRTH) != 0)
1228	+ ((fFlags & ISO9660RRIPTF_F_MODIFY) != 0)
1229	+ ((fFlags & ISO9660RRIPTF_F_ACCESS) != 0)
1230	+ ((fFlags & ISO9660RRIPTF_F_CHANGE) != 0)
1231	+ ((fFlags & ISO9660RRIPTF_F_BACKUP) != 0)
1232	+ ((fFlags & ISO9660RRIPTF_F_EXPIRATION) != 0)
1233	+ ((fFlags & ISO9660RRIPTF_F_EFFECTIVE) != 0);
1234	return (uint8_t)( cTimestamps * (fFlags & ISO9660RRIPTF_F_LONG_FORM ? sizeof(ISO9660TIMESTAMP) : sizeof(ISO9660RECTIMESTAMP))
1235	+ RT_OFFSETOF(ISO9660RRIPTF, abPayload));
1236	}
1237
1238
1239	/**
1240	* Rock ridge interchange protocol - posix device number entry (PN).
1241	*
1242	* Mandatory for block or character devices.
1243	*/
1244	typedef struct ISO9660RRIPPN
1245	{
1246	/** Header (ISO9660RRIPPN_SIG1, ISO9660RRIPPN_SIG2,
1247	* ISO9660RRIPPN_LEN, ISO9660RRIPPN_VER). */
1248	ISO9660SUSPHDR Hdr;
1249	/** The major device number. */
1250	ISO9660U32 Major;
1251	/** The minor device number. */
1252	ISO9660U32 Minor;
1253	} ISO9660RRIPPN;
1254	/** Pointer to a RRIP posix attribute entry. */
1255	typedef ISO9660RRIPPN *PISO9660RRIPPN;
1256	/** Pointer to a const RRIP posix attribute entry. */
1257	typedef ISO9660RRIPPN const *PCISO9660RRIPPN;
1258	#define ISO9660RRIPPN_SIG1 'P' /*< RRIP posix device number entry signature byte 1. /
1259	#define ISO9660RRIPPN_SIG2 'N' /*< RRIP posix device number entry signature byte 2. /
1260	#define ISO9660RRIPPN_VER 1 /*< RRIP posix device number entry version number. /
1261	#define ISO9660RRIPPN_LEN 20 /*< RRIP posix device number entry length (fixed). /
1262	AssertCompileSize(ISO9660RRIPPN, ISO9660RRIPPN_LEN);
1263
1264	/**
1265	* Rock ridge interchange protocol - symlink entry (SL).
1266	*
1267	* Mandatory for symbolic links.
1268	*/
1269	typedef struct ISO9660RRIPSL
1270	{
1271	/** Header (ISO9660RRIPSL_SIG1, ISO9660RRIPSL_SIG2, ISO9660RRIPSL_VER). */
1272	ISO9660SUSPHDR Hdr;
1273	/** Flags (0 or ISO9660RRIP_SL_F_CONTINUE). */
1274	uint8_t fFlags;
1275	/** Variable length of components. First byte in each component is a
1276	* combination of ISO9660RRIP_SL_C_XXX flag values. The second byte the
1277	* length of character data following it. */
1278	uint8_t abComponents[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1279	} ISO9660RRIPSL;
1280	AssertCompileMemberOffset(ISO9660RRIPSL, abComponents, 5);
1281	/** Pointer to a RRIP symbolic link entry. */
1282	typedef ISO9660RRIPSL *PISO9660RRIPSL;
1283	/** Pointer to a const RRIP symbolic link entry. */
1284	typedef ISO9660RRIPSL const *PCISO9660RRIPSL;
1285	#define ISO9660RRIPSL_SIG1 'S' /*< RRIP symbolic link entry signature byte 1. /
1286	#define ISO9660RRIPSL_SIG2 'L' /*< RRIP symbolic link entry signature byte 2. /
1287	#define ISO9660RRIPSL_VER 1 /*< RRIP symbolic link entry version number. /
1288	/** ISO9660RRIPSL.fFlags - When set another symlink entry follows this one. */
1289	#define ISO9660RRIP_SL_F_CONTINUE UINT8_C(0x01)
1290	/** @name ISO9660RRIP_SL_C_XXX - Symlink component flags.
1291	* @note These matches ISO9660RRIP_NM_F_XXX.
1292	* @{ */
1293	/** Indicates that the component continues in the next entry. */
1294	#define ISO9660RRIP_SL_C_CONTINUE UINT8_C(0x01)
1295	/** Refer to '.' (the current dir). */
1296	#define ISO9660RRIP_SL_C_CURRENT UINT8_C(0x02)
1297	/** Refer to '..' (the parent dir). */
1298	#define ISO9660RRIP_SL_C_PARENT UINT8_C(0x04)
1299	/** Refer to '/' (the root dir). */
1300	#define ISO9660RRIP_SL_C_ROOT UINT8_C(0x08)
1301	/** Reserved / historically was mount point reference. */
1302	#define ISO9660RRIP_SL_C_MOUNT_POINT UINT8_C(0x10)
1303	/** Reserved / historically was uname network node name. */
1304	#define ISO9660RRIP_SL_C_UNAME UINT8_C(0x20)
1305	/** Reserved mask (considers historically bits reserved). */
1306	#define ISO9660RRIP_SL_C_RESERVED_MASK UINT8_C(0xf0)
1307	/** @} */
1308
1309
1310	/**
1311	* Rock ridge interchange protocol - name entry (NM).
1312	*/
1313	typedef struct ISO9660RRIPNM
1314	{
1315	/** Header (ISO9660RRIPNM_SIG1, ISO9660RRIPNM_SIG2, ISO9660RRIPNM_VER). */
1316	ISO9660SUSPHDR Hdr;
1317	/** Flags (ISO9660RRIP_NM_F_XXX). */
1318	uint8_t fFlags;
1319	/** The name part (if any). */
1320	char achName[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1321	} ISO9660RRIPNM;
1322	AssertCompileMemberOffset(ISO9660RRIPNM, achName, 5);
1323	/** Pointer to a RRIP name entry. */
1324	typedef ISO9660RRIPNM *PISO9660RRIPNM;
1325	/** Pointer to a const RRIP name entry. */
1326	typedef ISO9660RRIPNM const *PCISO9660RRIPNM;
1327	#define ISO9660RRIPNM_SIG1 'N' /*< RRIP name entry signature byte 1. /
1328	#define ISO9660RRIPNM_SIG2 'M' /*< RRIP name entry signature byte 2. /
1329	#define ISO9660RRIPNM_VER 1 /*< RRIP name entry version number. /
1330	/** @name ISO9660RRIP_NM_F_XXX - Name flags.
1331	* @note These matches ISO9660RRIP_SL_C_XXX.
1332	* @{ */
1333	/** Indicates there are more 'NM' entries. */
1334	#define ISO9660RRIP_NM_F_CONTINUE UINT8_C(0x01)
1335	/** Refer to '.' (the current dir). */
1336	#define ISO9660RRIP_NM_F_CURRENT UINT8_C(0x02)
1337	/** Refer to '..' (the parent dir). */
1338	#define ISO9660RRIP_NM_F_PARENT UINT8_C(0x04)
1339	/** Reserved / historically was uname network node name. */
1340	#define ISO9660RRIP_NM_F_UNAME UINT8_C(0x20)
1341	/** Reserved mask (considers historically bits reserved). */
1342	#define ISO9660RRIP_NM_F_RESERVED_MASK UINT8_C(0xf8)
1343	/** @} */
1344
1345	/** Maximum name length in one 'NM' entry. */
1346	#define ISO9660RRIPNM_MAX_NAME_LEN 250
1347
1348
1349	/**
1350	* Rock ridge interchange protocol - child link entry (CL).
1351	*
1352	* This is used for relocated directories. Relocated directries are employed
1353	* to bypass the ISO 9660 maximum tree depth of 8.
1354	*
1355	* The size of the directory and everything else is found in the '.' entry in
1356	* the specified location. Only the name (NM or dir rec) and this link record
1357	* should be used.
1358	*/
1359	typedef struct ISO9660RRIPCL
1360	{
1361	/** Header (ISO9660RRIPCL_SIG1, ISO9660RRIPCL_SIG2,
1362	* ISO9660RRIPCL_LEN, ISO9660RRIPCL_VER). */
1363	ISO9660SUSPHDR Hdr;
1364	/** The offset of the directory data (block offset). */
1365	ISO9660U32 offExtend;
1366	} ISO9660RRIPCL;
1367	/** Pointer to a RRIP child link entry. */
1368	typedef ISO9660RRIPCL *PISO9660RRIPCL;
1369	/** Pointer to a const RRIP child link entry. */
1370	typedef ISO9660RRIPCL const *PCISO9660RRIPCL;
1371	#define ISO9660RRIPCL_SIG1 'C' /*< RRIP child link entry signature byte 1. /
1372	#define ISO9660RRIPCL_SIG2 'L' /*< RRIP child link entry signature byte 2. /
1373	#define ISO9660RRIPCL_VER 1 /*< RRIP child link entry version number. /
1374	#define ISO9660RRIPCL_LEN 12 /*< RRIP child link entry length. /
1375	AssertCompileSize(ISO9660RRIPCL, ISO9660RRIPCL_LEN);
1376
1377
1378	/**
1379	* Rock ridge interchange protocol - parent link entry (PL).
1380	*
1381	* This is used in relocated directories. Relocated directries are employed
1382	* to bypass the ISO 9660 maximum tree depth of 8.
1383	*
1384	* The size of the directory and everything else is found in the '.' entry in
1385	* the specified location. Only the name (NM or dir rec) and this link record
1386	* should be used.
1387	*/
1388	typedef struct ISO9660RRIPPL
1389	{
1390	/** Header (ISO9660RRIPPL_SIG1, ISO9660RRIPPL_SIG2,
1391	* ISO9660RRIPPL_LEN, ISO9660RRIPPL_VER). */
1392	ISO9660SUSPHDR Hdr;
1393	/** The offset of the directory data (block offset). */
1394	ISO9660U32 offExtend;
1395	} ISO9660RRIPPL;
1396	/** Pointer to a RRIP parent link entry. */
1397	typedef ISO9660RRIPPL *PISO9660RRIPPL;
1398	/** Pointer to a const RRIP parent link entry. */
1399	typedef ISO9660RRIPPL const *PCISO9660RRIPPL;
1400	#define ISO9660RRIPPL_SIG1 'P' /*< RRIP parent link entry signature byte 1. /
1401	#define ISO9660RRIPPL_SIG2 'L' /*< RRIP parent link entry signature byte 2. /
1402	#define ISO9660RRIPPL_VER 1 /*< RRIP parent link entry version number. /
1403	#define ISO9660RRIPPL_LEN 12 /*< RRIP parent link entry length. /
1404	AssertCompileSize(ISO9660RRIPPL, ISO9660RRIPPL_LEN);
1405
1406
1407	/**
1408	* Rock ridge interchange protocol - relocated entry (RE).
1409	*
1410	* This is used in the directory record for a relocated directory in the
1411	* holding place high up in the directory hierarchy. The system may choose to
1412	* ignore/hide entries with this entry present.
1413	*/
1414	typedef struct ISO9660RRIPRE
1415	{
1416	/** Header (ISO9660RRIPRE_SIG1, ISO9660RRIPRE_SIG2,
1417	* ISO9660RRIPRE_LEN, ISO9660RRIPRE_VER). */
1418	ISO9660SUSPHDR Hdr;
1419	} ISO9660RRIPRE;
1420	/** Pointer to a RRIP parent link entry. */
1421	typedef ISO9660RRIPRE *PISO9660RRIPRE;
1422	/** Pointer to a const RRIP parent link entry. */
1423	typedef ISO9660RRIPRE const *PCISO9660RRIPRE;
1424	#define ISO9660RRIPRE_SIG1 'R' /*< RRIP relocated entry signature byte 1. /
1425	#define ISO9660RRIPRE_SIG2 'E' /*< RRIP relocated entry signature byte 2. /
1426	#define ISO9660RRIPRE_VER 1 /*< RRIP relocated entry version number. /
1427	#define ISO9660RRIPRE_LEN 4 /*< RRIP relocated entry length. /
1428	AssertCompileSize(ISO9660RRIPRE, ISO9660RRIPRE_LEN);
1429
1430
1431	/**
1432	* Rock ridge interchange protocol - sparse file entry (SF).
1433	*/
1434	#pragma pack(1)
1435	typedef struct ISO9660RRIPSF
1436	{
1437	/** Header (ISO9660RRIPSF_SIG1, ISO9660RRIPSF_SIG2,
1438	* ISO9660RRIPSF_LEN, ISO9660RRIPSF_VER). */
1439	ISO9660SUSPHDR Hdr;
1440	/** The high 32-bits of the 64-bit sparse file size. */
1441	ISO9660U32 cbSparseHi;
1442	/** The low 32-bits of the 64-bit sparse file size. */
1443	ISO9660U32 cbSparseLo;
1444	/** The table depth. */
1445	uint8_t cDepth;
1446	} ISO9660RRIPSF;
1447	#pragma pack()
1448	/** Pointer to a RRIP symbolic link entry. */
1449	typedef ISO9660RRIPSF *PISO9660RRIPSF;
1450	/** Pointer to a const RRIP symbolic link entry. */
1451	typedef ISO9660RRIPSF const *PCISO9660RRIPSF;
1452	#define ISO9660RRIPSF_SIG1 'S' /*< RRIP spare file entry signature byte 1. /
1453	#define ISO9660RRIPSF_SIG2 'F' /*< RRIP spare file entry signature byte 2. /
1454	#define ISO9660RRIPSF_VER 1 /*< RRIP spare file entry version number. /
1455	#define ISO9660RRIPSF_LEN 21 /*< RRIP spare file entry length. /
1456	AssertCompileSize(ISO9660RRIPSF, ISO9660RRIPSF_LEN);
1457
1458	/** @name ISO9660RRIP_SF_TAB_F_XXX - Sparse table format.
1459	* @{ */
1460	/** The 24-bit logical block number mask.
1461	* This is somewhat complicated, see docs. MBZ for EMPTY. */
1462	#define ISO9660RRIP_SF_TAB_F_BLOCK_MASK UINT32_C(0x00ffffff)
1463	/** Reserved bits, MBZ. */
1464	#define ISO9660RRIP_SF_TAB_F_RESERVED RT_BIT_32()
1465	/** References a sub-table with 256 entries (ISO9660U32). */
1466	#define ISO9660RRIP_SF_TAB_F_TABLE RT_BIT_32(30)
1467	/** Zero data region. */
1468	#define ISO9660RRIP_SF_TAB_F_EMPTY RT_BIT_32(31)
1469	/** @} */
1470
1471
1472	/**
1473	* SUSP and RRIP union.
1474	*/
1475	typedef union ISO9660SUSPUNION
1476	{
1477	ISO9660SUSPHDR Hdr; /*< SUSP header . /
1478	ISO9660SUSPCE CE; /*< SUSP continuation entry. /
1479	ISO9660SUSPPD PD; /*< SUSP padding entry. /
1480	ISO9660SUSPSP SP; /*< SUSP system use protocol entry. /
1481	ISO9660SUSPST ST; /*< SUSP terminator entry. /
1482	ISO9660SUSPER ER; /*< SUSP extension record entry. /
1483	ISO9660SUSPES ES; /*< SUSP extension sequence entry. /
1484	ISO9660RRIPRR RR; /*< RRIP optimization entry. /
1485	ISO9660RRIPPX PX; /*< RRIP posix attribute entry. /
1486	ISO9660RRIPTF TF; /*< RRIP timestamp entry. /
1487	ISO9660RRIPPN PN; /*< RRIP posix device number entry. /
1488	ISO9660RRIPSF SF; /*< RRIP sparse file entry. /
1489	ISO9660RRIPSL SL; /*< RRIP symbolic link entry. /
1490	ISO9660RRIPNM NM; /*< RRIP name entry. /
1491	ISO9660RRIPCL CL; /*< RRIP child link entry. /
1492	ISO9660RRIPPL PL; /*< RRIP parent link entry. /
1493	ISO9660RRIPRE RE; /*< RRIP relocated entry. /
1494	} ISO9660SUSPUNION;
1495	/** Pointer to a SUSP and RRIP union. */
1496	typedef ISO9660SUSPUNION *PISO9660SUSPUNION;
1497	/** Pointer to a const SUSP and RRIP union. */
1498	typedef ISO9660SUSPUNION *PCISO9660SUSPUNION;
1499
1500
1501	/** @} */
1502
1503	#endif /* !IPRT_INCLUDED_formats_iso9660_h */
1504

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source: vbox/trunk/include/iprt/formats/iso9660.h@ 77807

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