iso9660.h@ 68113

Last change on this file since 68113 was 67861, checked in by vboxsync, 8 years ago
isomaker: Some fixes for bugs found when testing different buffer read sizes and read ordering.
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1	/* $Id: iso9660.h 67861 2017-07-07 16:08:36Z 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	/**
932	* SUSP continuation entry (CE).
933	*/
934	typedef struct ISO9660SUSPCE
935	{
936	/** Header (ISO9660SUSPCE_SIG1, ISO9660SUSPCE_SIG2, ISO9660SUSPCE_VER). */
937	ISO9660SUSPHDR Hdr;
938	/** The offset of the continutation data block (block offset). */
939	ISO9660U32 offBlock;
940	/** The byte offset in the block of the contiuation data. */
941	ISO9660U32 offData;
942	/** The size of the continuation data. */
943	ISO9660U32 cbData;
944	} ISO9660SUSPCE;
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_LEN 28 /*< SUSP continutation entry length. /
952	#define ISO9660SUSPCE_VER 1 /*< SUSP continutation entry version number. /
953	AssertCompileSize(ISO9660SUSPCE, ISO9660SUSPCE_LEN);
954
955
956	/**
957	* SUSP padding entry (PD).
958	*/
959	typedef struct ISO9660SUSPPD
960	{
961	/** Header (ISO9660SUSPPD_SIG1, ISO9660SUSPPD_SIG2, ISO9660SUSPPD_VER). */
962	ISO9660SUSPHDR Hdr;
963	/* Padding follows. */
964	} ISO9660SUSPPD;
965	AssertCompileSize(ISO9660SUSPPD, 4);
966	/** Pointer to a SUSP padding entry. */
967	typedef ISO9660SUSPPD *PISO9660SUSPPD;
968	/** Pointer to a const SUSP padding entry. */
969	typedef ISO9660SUSPPD const *PCISO9660SUSPPD;
970	#define ISO9660SUSPPD_SIG1 'P' /*< SUSP padding entry signature byte 1. /
971	#define ISO9660SUSPPD_SIG2 'D' /*< SUSP padding entry signature byte 2. /
972	#define ISO9660SUSPPD_VER 1 /*< SUSP padding entry version number. /
973
974
975	/**
976	* SUSP system use protocol entry (SP)
977	*
978	* This is only used in the '.' record of the root directory.
979	*/
980	typedef struct ISO9660SUSPSP
981	{
982	/** Header (ISO9660SUSPSP_SIG1, ISO9660SUSPSP_SIG2,
983	* ISO9660SUSPSP_LEN, ISO9660SUSPSP_VER). */
984	ISO9660SUSPHDR Hdr;
985	/** Check byte 1 (ISO9660SUSPSP_CHECK1). */
986	uint8_t bCheck1;
987	/** Check byte 2 (ISO9660SUSPSP_CHECK2). */
988	uint8_t bCheck2;
989	/** Number of bytes to skip within the system use field of each directory
990	* entry (except the '.' entry of the root, since that's where this is). */
991	uint8_t cbSkip;
992	} ISO9660SUSPSP;
993	/** Pointer to a SUSP entry. */
994	typedef ISO9660SUSPSP *PISO9660SUSPSP;
995	/** Pointer to a const SUSP entry. */
996	typedef ISO9660SUSPSP const *PCISO9660SUSPSP;
997	#define ISO9660SUSPSP_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
998	#define ISO9660SUSPSP_SIG2 'P' /*< SUSP system use protocol entry signature byte 2. /
999	#define ISO9660SUSPSP_VER 1 /*< SUSP system use protocol entry version number. /
1000	#define ISO9660SUSPSP_LEN 7 /*< SUSP system use protocol entry length (fixed). /
1001	#define ISO9660SUSPSP_CHECK1 UINT8_C(0xbe) /*< SUSP system use protocol entry check byte 1. /
1002	#define ISO9660SUSPSP_CHECK2 UINT8_C(0xef) /*< SUSP system use protocol entry check byte 2. /
1003	AssertCompileSize(ISO9660SUSPSP, ISO9660SUSPSP_LEN);
1004
1005
1006	/**
1007	* SUSP terminator entry (ST)
1008	*
1009	* Used to terminate system use entries.
1010	*/
1011	typedef struct ISO9660SUSPST
1012	{
1013	/** Header (ISO9660SUSPST_SIG1, ISO9660SUSPST_SIG2,
1014	* ISO9660SUSPST_LEN, ISO9660SUSPST_VER). */
1015	ISO9660SUSPHDR Hdr;
1016	} ISO9660SUSPST;
1017	/** Pointer to a SUSP padding entry. */
1018	typedef ISO9660SUSPST *PISO9660SUSPST;
1019	/** Pointer to a const SUSP padding entry. */
1020	typedef ISO9660SUSPST const *PCISO9660SUSPST;
1021	#define ISO9660SUSPST_SIG1 'S' /*< SUSP system use protocol entry signature byte 1. /
1022	#define ISO9660SUSPST_SIG2 'T' /*< SUSP system use protocol entry signature byte 2. /
1023	#define ISO9660SUSPST_VER 1 /*< SUSP system use protocol entry version number. /
1024	#define ISO9660SUSPST_LEN 4 /*< SUSP system use protocol entry length (fixed). /
1025	AssertCompileSize(ISO9660SUSPST, ISO9660SUSPST_LEN);
1026
1027
1028	/**
1029	* SUSP extension record entry (ER)
1030	*
1031	* This is only used in the '.' record of the root directory. There can be multiple of these.
1032	*/
1033	typedef struct ISO9660SUSPER
1034	{
1035	/** Header (ISO9660SUSPER_SIG1, ISO9660SUSPER_SIG2, ISO9660SUSPER_VER). */
1036	ISO9660SUSPHDR Hdr;
1037	/** The length of the identifier component. */
1038	uint8_t cchIdentifier;
1039	/** The length of the description component. */
1040	uint8_t cchDescription;
1041	/** The length of the source component. */
1042	uint8_t cchSource;
1043	/** The extension version number. */
1044	uint8_t bVersion;
1045	/** The payload: first @a cchIdentifier chars of identifier string, second
1046	* @a cchDescription chars of description string, thrid @a cchSource chars
1047	* of source string. Variable length. */
1048	char achPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1049	} ISO9660SUSPER;
1050	/** Pointer to a SUSP padding entry. */
1051	typedef ISO9660SUSPER *PISO9660SUSPER;
1052	/** Pointer to a const SUSP padding entry. */
1053	typedef ISO9660SUSPER const *PCISO9660SUSPER;
1054	#define ISO9660SUSPER_SIG1 'E' /*< SUSP extension record entry signature byte 1. /
1055	#define ISO9660SUSPER_SIG2 'R' /*< SUSP extension record entry signature byte 2. /
1056	#define ISO9660SUSPER_VER 1 /*< SUSP extension record entry version number. /
1057	#define ISO9660SUSPER_OFF_PAYLOAD 8 /*< SUSP extension record entry payload member offset. /
1058	AssertCompileMemberOffset(ISO9660SUSPER, achPayload, ISO9660SUSPER_OFF_PAYLOAD);
1059
1060	/**
1061	* SUSP extension sequence entry (ES)
1062	*
1063	* This is only used in the '.' record of the root directory.
1064	*/
1065	typedef struct ISO9660SUSPES
1066	{
1067	/** Header (ISO9660SUSPES_SIG1, ISO9660SUSPES_SIG2, ISO9660SUSPES_VER). */
1068	ISO9660SUSPHDR Hdr;
1069	/** The ER entry sequence number of the extension comming first. */
1070	uint8_t iFirstExtension;
1071	} ISO9660SUSPES;
1072	/** Pointer to a SUSP padding entry. */
1073	typedef ISO9660SUSPES *PISO9660SUSPES;
1074	/** Pointer to a const SUSP padding entry. */
1075	typedef ISO9660SUSPES const *PCISO9660SUSPES;
1076	#define ISO9660SUSPES_SIG1 'E' /*< SUSP extension sequence entry signature byte 1. /
1077	#define ISO9660SUSPES_SIG2 'S' /*< SUSP extension sequence entry signature byte 2. /
1078	#define ISO9660SUSPES_VER 1 /*< SUSP extension sequence entry version number. /
1079	#define ISO9660SUSPES_LEN 5 /*< SUSP extension sequence entry length (fixed). /
1080	AssertCompileSize(ISO9660SUSPES, ISO9660SUSPES_LEN);
1081
1082
1083	/** RRIP ER identifier string from Rock Ridge Interchange Protocol v1.10 specs. */
1084	#define ISO9660_RRIP_ID "RRIP_1991A"
1085	/** RRIP ER recommended description string (from RRIP v1.10 specs). */
1086	#define ISO9660_RRIP_DESC "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS"
1087	/** RRIP ER recommended source string (from RRIP v1.10 specs). */
1088	#define ISO9660_RRIP_SRC "PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE. SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR CONTACT INFORMATION."
1089	/** RRIP ER version field value from the Rock Ridge Interchange Protocol v1.10 specs. */
1090	#define ISO9660_RRIP_VER 1
1091	/** The length of a RRIP v1.10 ER record.
1092	* The record must be constructed using ISO9660_RRIP_ID, ISO9660_RRIP_DESC
1093	* and ISO9660_RRIP_SRC. */
1094	#define ISO9660_RRIP_ER_LEN ((uint8_t)( ISO9660SUSPER_OFF_PAYLOAD \
1095	+ sizeof(ISO9660_RRIP_ID) - 1 \
1096	+ sizeof(ISO9660_RRIP_DESC) - 1 \
1097	+ sizeof(ISO9660_RRIP_SRC) - 1 ))
1098
1099	/** RRIP ER identifier string from RRIP IEEE P1282 v1.12 draft. */
1100	#define ISO9660_RRIP_1_12_ID "IEEE_P1282"
1101	/** RRIP ER recommended description string (RRIP IEEE P1282 v1.12 draft). */
1102	#define ISO9660_RRIP_1_12_DESC "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS."
1103	/** RRIP ER recommended source string (RRIP IEEE P1282 v1.12 draft). */
1104	#define ISO9660_RRIP_1_12_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION."
1105	/** RRIP ER version field value from the Rock Ridge Interchange Protocol v1.12 specs. */
1106	#define ISO9660_RRIP_1_12_VER 1
1107	/** The length of a RRIP v1.12 ER record.
1108	* The record must be constructed using ISO9660_RRIP_1_12_ID,
1109	* ISO9660_RRIP_1_12_DESC and ISO9660_RRIP_1_12_SRC. */
1110	#define ISO9660_RRIP_1_12_ER_LEN ((uint8_t)( ISO9660SUSPER_OFF_PAYLOAD \
1111	+ sizeof(ISO9660_RRIP_1_12_ID) - 1 \
1112	+ sizeof(ISO9660_RRIP_1_12_DESC) - 1 \
1113	+ sizeof(ISO9660_RRIP_1_12_SRC) - 1 ))
1114
1115
1116	/**
1117	* Rock ridge interchange protocol - RR.
1118	*/
1119	typedef struct ISO9660RRIPRR
1120	{
1121	/** Header (ISO9660RRIPRR_SIG1, ISO9660RRIPRR_SIG2,
1122	* ISO9660RRIPRR_LEN, ISO9660RRIPRR_VER). */
1123	ISO9660SUSPHDR Hdr;
1124	/** Flags indicating which RRIP entries are present (). */
1125	uint8_t fFlags;
1126	} ISO9660RRIPRR;
1127	/** Pointer to a RRIP RR entry. */
1128	typedef ISO9660RRIPRR *PISO9660RRIPRR;
1129	/** Pointer to a const RRIP RR entry. */
1130	typedef ISO9660RRIPRR const *PCISO9660RRIPRR;
1131	#define ISO9660RRIPRR_SIG1 'R' /*< RRIP RR entry signature byte 1. /
1132	#define ISO9660RRIPRR_SIG2 'R' /*< RRIP RR entry signature byte 2. /
1133	#define ISO9660RRIPRR_VER 1 /*< RRIP RR entry version number. /
1134	#define ISO9660RRIPRR_LEN 5 /*< RRIP RR entry length (fixed). /
1135	AssertCompileSize(ISO9660RRIPRR, ISO9660RRIPRR_LEN);
1136
1137	/** @name ISO9660RRIP_RR_F_XXX - Indicates which RRIP entries are present.
1138	* @{ */
1139	#define ISO9660RRIP_RR_F_PX UINT8_C(0x01)
1140	#define ISO9660RRIP_RR_F_PN UINT8_C(0x02)
1141	#define ISO9660RRIP_RR_F_SL UINT8_C(0x04)
1142	#define ISO9660RRIP_RR_F_NM UINT8_C(0x08)
1143	#define ISO9660RRIP_RR_F_CL UINT8_C(0x10)
1144	#define ISO9660RRIP_RR_F_PL UINT8_C(0x20)
1145	#define ISO9660RRIP_RR_F_RE UINT8_C(0x40)
1146	#define ISO9660RRIP_RR_F_TF UINT8_C(0x80)
1147	/** @} */
1148
1149	/**
1150	* Rock ridge interchange protocol - posix attribute entry (PX).
1151	*/
1152	typedef struct ISO9660RRIPPX
1153	{
1154	/** Header (ISO9660RRIPPX_SIG1, ISO9660RRIPPX_SIG2,
1155	* ISO9660RRIPPX_LEN, ISO9660RRIPPX_VER). */
1156	ISO9660SUSPHDR Hdr;
1157	/** The file mode (RTFS_UNIX_XXX, RTFS_TYPE_XXX). */
1158	ISO9660U32 fMode;
1159	/** Number of hardlinks. */
1160	ISO9660U32 cHardlinks;
1161	/** User ID. */
1162	ISO9660U32 uid;
1163	/** Group ID. */
1164	ISO9660U32 gid;
1165	/** Inode number. */
1166	ISO9660U32 INode;
1167	} ISO9660RRIPPX;
1168	/** Pointer to a RRIP posix attribute entry. */
1169	typedef ISO9660RRIPPX *PISO9660RRIPPX;
1170	/** Pointer to a const RRIP posix attribute entry. */
1171	typedef ISO9660RRIPPX const *PCISO9660RRIPPX;
1172	#define ISO9660RRIPPX_SIG1 'P' /*< RRIP posix attribute entry signature byte 1. /
1173	#define ISO9660RRIPPX_SIG2 'X' /*< RRIP posix attribute entry signature byte 2. /
1174	#define ISO9660RRIPPX_VER 1 /*< RRIP posix attribute entry version number. /
1175	#define ISO9660RRIPPX_LEN 44 /*< RRIP posix attribute entry length (fixed). /
1176	AssertCompileSize(ISO9660RRIPPX, ISO9660RRIPPX_LEN);
1177	#define ISO9660RRIPPX_LEN_NO_INODE 36 /*< RRIP posix attribute entry length without inode (fixed). /
1178
1179
1180	/**
1181	* Rock ridge interchange protocol - timestamp entry (TF).
1182	*/
1183	typedef struct ISO9660RRIPTF
1184	{
1185	/** Header (ISO9660RRIPTF_SIG1, ISO9660RRIPTF_SIG2, ISO9660RRIPTF_VER). */
1186	ISO9660SUSPHDR Hdr;
1187	/** Flags, ISO9660RRIPTF_F_XXX. */
1188	uint8_t fFlags;
1189	/** Timestamp payload bytes (variable size and format). */
1190	uint8_t abPayload[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1191	} ISO9660RRIPTF;
1192	AssertCompileMemberOffset(ISO9660RRIPTF, abPayload, 5);
1193	/** Pointer to a RRIP timestamp entry. */
1194	typedef ISO9660RRIPTF *PISO9660RRIPTF;
1195	/** Pointer to a const RRIP timestamp entry. */
1196	typedef ISO9660RRIPTF const *PCISO9660RRIPTF;
1197	#define ISO9660RRIPTF_SIG1 'T' /*< RRIP child link entry signature byte 1. /
1198	#define ISO9660RRIPTF_SIG2 'F' /*< RRIP child link entry signature byte 2. /
1199	#define ISO9660RRIPTF_VER 1 /*< RRIP child link entry version number. /
1200
1201	/** @name ISO9660RRIPTF_F_XXX - Timestmap flags.
1202	* @{ */
1203	#define ISO9660RRIPTF_F_BIRTH UINT8_C(0x01) /*< Birth (creation) timestamp is recorded. /
1204	#define ISO9660RRIPTF_F_MODIFY UINT8_C(0x02) /*< Modification timestamp is recorded. /
1205	#define ISO9660RRIPTF_F_ACCESS UINT8_C(0x04) /*< Accessed timestamp is recorded. /
1206	#define ISO9660RRIPTF_F_CHANGE UINT8_C(0x08) /*< Attribute change timestamp is recorded. /
1207	#define ISO9660RRIPTF_F_BACKUP UINT8_C(0x10) /*< Backup timestamp is recorded. /
1208	#define ISO9660RRIPTF_F_EXPIRATION UINT8_C(0x20) /*< Expiration timestamp is recorded. /
1209	#define ISO9660RRIPTF_F_EFFECTIVE UINT8_C(0x40) /*< Effective timestamp is recorded. /
1210	#define ISO9660RRIPTF_F_LONG_FORM UINT8_C(0x80) /*< If set ISO9660TIMESTAMP is used, otherwise ISO9660RECTIMESTAMP. /
1211	/** @} */
1212
1213	/**
1214	* Calculates the length of a 'TF' entry given the flags.
1215	*
1216	* @returns Length in bytes.
1217	* @param fFlags The flags (ISO9660RRIPTF_F_XXX).
1218	*/
1219	DECLINLINE(uint8_t) Iso9660RripTfCalcLength(uint8_t fFlags)
1220	{
1221	unsigned cTimestamps = ((fFlags & ISO9660RRIPTF_F_BIRTH) != 0)
1222	+ ((fFlags & ISO9660RRIPTF_F_MODIFY) != 0)
1223	+ ((fFlags & ISO9660RRIPTF_F_ACCESS) != 0)
1224	+ ((fFlags & ISO9660RRIPTF_F_CHANGE) != 0)
1225	+ ((fFlags & ISO9660RRIPTF_F_BACKUP) != 0)
1226	+ ((fFlags & ISO9660RRIPTF_F_EXPIRATION) != 0)
1227	+ ((fFlags & ISO9660RRIPTF_F_EFFECTIVE) != 0);
1228	return (uint8_t)( cTimestamps * (fFlags & ISO9660RRIPTF_F_LONG_FORM ? sizeof(ISO9660TIMESTAMP) : sizeof(ISO9660RECTIMESTAMP))
1229	+ RT_OFFSETOF(ISO9660RRIPTF, abPayload));
1230	}
1231
1232
1233	/**
1234	* Rock ridge interchange protocol - posix device number entry (PN).
1235	*
1236	* Mandatory for block or character devices.
1237	*/
1238	typedef struct ISO9660RRIPPN
1239	{
1240	/** Header (ISO9660RRIPPN_SIG1, ISO9660RRIPPN_SIG2,
1241	* ISO9660RRIPPN_LEN, ISO9660RRIPPN_VER). */
1242	ISO9660SUSPHDR Hdr;
1243	/** The major device number. */
1244	ISO9660U32 Major;
1245	/** The minor device number. */
1246	ISO9660U32 Minor;
1247	} ISO9660RRIPPN;
1248	/** Pointer to a RRIP posix attribute entry. */
1249	typedef ISO9660RRIPPN *PISO9660RRIPPN;
1250	/** Pointer to a const RRIP posix attribute entry. */
1251	typedef ISO9660RRIPPN const *PCISO9660RRIPPN;
1252	#define ISO9660RRIPPN_SIG1 'P' /*< RRIP posix device number entry signature byte 1. /
1253	#define ISO9660RRIPPN_SIG2 'N' /*< RRIP posix device number entry signature byte 2. /
1254	#define ISO9660RRIPPN_VER 1 /*< RRIP posix device number entry version number. /
1255	#define ISO9660RRIPPN_LEN 20 /*< RRIP posix device number entry length (fixed). /
1256	AssertCompileSize(ISO9660RRIPPN, ISO9660RRIPPN_LEN);
1257
1258	/**
1259	* Rock ridge interchange protocol - symlink entry (SL).
1260	*
1261	* Mandatory for symbolic links.
1262	*/
1263	typedef struct ISO9660RRIPSL
1264	{
1265	/** Header (ISO9660RRIPSL_SIG1, ISO9660RRIPSL_SIG2, ISO9660RRIPSL_VER). */
1266	ISO9660SUSPHDR Hdr;
1267	/** Flags (0 or ISO9660RRIP_SL_F_CONTINUE). */
1268	uint8_t fFlags;
1269	/** Variable length of components. First byte in each component is a
1270	* combination of ISO9660RRIP_SL_C_XXX flag values. The second byte the
1271	* length of character data following it. */
1272	uint8_t abComponents[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1273	} ISO9660RRIPSL;
1274	AssertCompileMemberOffset(ISO9660RRIPSL, abComponents, 5);
1275	/** Pointer to a RRIP symbolic link entry. */
1276	typedef ISO9660RRIPSL *PISO9660RRIPSL;
1277	/** Pointer to a const RRIP symbolic link entry. */
1278	typedef ISO9660RRIPSL const *PCISO9660RRIPSL;
1279	#define ISO9660RRIPSL_SIG1 'S' /*< RRIP symbolic link entry signature byte 1. /
1280	#define ISO9660RRIPSL_SIG2 'L' /*< RRIP symbolic link entry signature byte 2. /
1281	#define ISO9660RRIPSL_VER 1 /*< RRIP symbolic link entry version number. /
1282	/** ISO9660RRIPSL.fFlags - When set another symlink entry follows this one. */
1283	#define ISO9660RRIP_SL_F_CONTINUE UINT8_C(0x01)
1284	/** @name ISO9660RRIP_SL_C_XXX - Symlink component flags.
1285	* @note These matches ISO9660RRIP_NM_F_XXX.
1286	* @{ */
1287	/** Indicates that the component continues in the next entry. */
1288	#define ISO9660RRIP_SL_C_CONTINUE UINT8_C(0x01)
1289	/** Refer to '.' (the current dir). */
1290	#define ISO9660RRIP_SL_C_CURRENT UINT8_C(0x02)
1291	/** Refer to '..' (the parent dir). */
1292	#define ISO9660RRIP_SL_C_PARENT UINT8_C(0x04)
1293	/** Refer to '/' (the root dir). */
1294	#define ISO9660RRIP_SL_C_ROOT UINT8_C(0x08)
1295	/** Reserved / historically was mount point reference. */
1296	#define ISO9660RRIP_SL_C_MOUNT_POINT UINT8_C(0x10)
1297	/** Reserved / historically was uname network node name. */
1298	#define ISO9660RRIP_SL_C_UNAME UINT8_C(0x20)
1299	/** Reserved mask (considers historically bits reserved). */
1300	#define ISO9660RRIP_SL_C_RESERVED_MASK UINT8_C(0xf0)
1301	/** @} */
1302
1303
1304	/**
1305	* Rock ridge interchange protocol - name entry (NM).
1306	*/
1307	typedef struct ISO9660RRIPNM
1308	{
1309	/** Header (ISO9660RRIPNM_SIG1, ISO9660RRIPNM_SIG2, ISO9660RRIPNM_VER). */
1310	ISO9660SUSPHDR Hdr;
1311	/** Flags (ISO9660RRIP_NM_F_XXX). */
1312	uint8_t fFlags;
1313	/** The name part (if any). */
1314	char achName[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
1315	} ISO9660RRIPNM;
1316	AssertCompileMemberOffset(ISO9660RRIPNM, achName, 5);
1317	/** Pointer to a RRIP name entry. */
1318	typedef ISO9660RRIPNM *PISO9660RRIPNM;
1319	/** Pointer to a const RRIP name entry. */
1320	typedef ISO9660RRIPNM const *PCISO9660RRIPNM;
1321	#define ISO9660RRIPNM_SIG1 'N' /*< RRIP name entry signature byte 1. /
1322	#define ISO9660RRIPNM_SIG2 'M' /*< RRIP name entry signature byte 2. /
1323	#define ISO9660RRIPNM_VER 1 /*< RRIP name entry version number. /
1324	/** @name ISO9660RRIP_NM_F_XXX - Name flags.
1325	* @note These matches ISO9660RRIP_SL_C_XXX.
1326	* @{ */
1327	/** Indicates there are more 'NM' entries. */
1328	#define ISO9660RRIP_NM_F_CONTINUE UINT8_C(0x01)
1329	/** Refer to '.' (the current dir). */
1330	#define ISO9660RRIP_NM_F_CURRENT UINT8_C(0x02)
1331	/** Refer to '..' (the parent dir). */
1332	#define ISO9660RRIP_NM_F_PARENT UINT8_C(0x04)
1333	/** Reserved / historically was uname network node name. */
1334	#define ISO9660RRIP_NM_F_UNAME UINT8_C(0x20)
1335	/** Reserved mask (considers historically bits reserved). */
1336	#define ISO9660RRIP_NM_F_RESERVED_MASK UINT8_C(0xf8)
1337	/** @} */
1338
1339	/** Maximum name length in one 'NM' entry. */
1340	#define ISO9660RRIPNM_MAX_NAME_LEN 250
1341
1342
1343	/**
1344	* Rock ridge interchange protocol - child link entry (CL).
1345	*
1346	* This is used for relocated directories. Relocated directries are employed
1347	* to bypass the ISO 9660 maximum tree depth of 8.
1348	*
1349	* The size of the directory and everything else is found in the '.' entry in
1350	* the specified location. Only the name (NM or dir rec) and this link record
1351	* should be used.
1352	*/
1353	typedef struct ISO9660RRIPCL
1354	{
1355	/** Header (ISO9660RRIPCL_SIG1, ISO9660RRIPCL_SIG2,
1356	* ISO9660RRIPCL_LEN, ISO9660RRIPCL_VER). */
1357	ISO9660SUSPHDR Hdr;
1358	/** The offset of the directory data (block offset). */
1359	ISO9660U32 offExtend;
1360	} ISO9660RRIPCL;
1361	/** Pointer to a RRIP child link entry. */
1362	typedef ISO9660RRIPCL *PISO9660RRIPCL;
1363	/** Pointer to a const RRIP child link entry. */
1364	typedef ISO9660RRIPCL const *PCISO9660RRIPCL;
1365	#define ISO9660RRIPCL_SIG1 'C' /*< RRIP child link entry signature byte 1. /
1366	#define ISO9660RRIPCL_SIG2 'L' /*< RRIP child link entry signature byte 2. /
1367	#define ISO9660RRIPCL_VER 1 /*< RRIP child link entry version number. /
1368	#define ISO9660RRIPCL_LEN 12 /*< RRIP child link entry length. /
1369	AssertCompileSize(ISO9660RRIPCL, ISO9660RRIPCL_LEN);
1370
1371
1372	/**
1373	* Rock ridge interchange protocol - parent link entry (PL).
1374	*
1375	* This is used in relocated directories. Relocated directries are employed
1376	* to bypass the ISO 9660 maximum tree depth of 8.
1377	*
1378	* The size of the directory and everything else is found in the '.' entry in
1379	* the specified location. Only the name (NM or dir rec) and this link record
1380	* should be used.
1381	*/
1382	typedef struct ISO9660RRIPPL
1383	{
1384	/** Header (ISO9660RRIPPL_SIG1, ISO9660RRIPPL_SIG2,
1385	* ISO9660RRIPPL_LEN, ISO9660RRIPPL_VER). */
1386	ISO9660SUSPHDR Hdr;
1387	/** The offset of the directory data (block offset). */
1388	ISO9660U32 offExtend;
1389	} ISO9660RRIPPL;
1390	/** Pointer to a RRIP parent link entry. */
1391	typedef ISO9660RRIPPL *PISO9660RRIPPL;
1392	/** Pointer to a const RRIP parent link entry. */
1393	typedef ISO9660RRIPPL const *PCISO9660RRIPPL;
1394	#define ISO9660RRIPPL_SIG1 'P' /*< RRIP parent link entry signature byte 1. /
1395	#define ISO9660RRIPPL_SIG2 'L' /*< RRIP parent link entry signature byte 2. /
1396	#define ISO9660RRIPPL_VER 1 /*< RRIP parent link entry version number. /
1397	#define ISO9660RRIPPL_LEN 12 /*< RRIP parent link entry length. /
1398	AssertCompileSize(ISO9660RRIPPL, ISO9660RRIPPL_LEN);
1399
1400
1401	/**
1402	* Rock ridge interchange protocol - relocated entry (RE).
1403	*
1404	* This is used in the directory record for a relocated directory in the
1405	* holding place high up in the directory hierarchy. The system may choose to
1406	* ignore/hide entries with this entry present.
1407	*/
1408	typedef struct ISO9660RRIPRE
1409	{
1410	/** Header (ISO9660RRIPRE_SIG1, ISO9660RRIPRE_SIG2,
1411	* ISO9660RRIPRE_LEN, ISO9660RRIPRE_VER). */
1412	ISO9660SUSPHDR Hdr;
1413	} ISO9660RRIPRE;
1414	/** Pointer to a RRIP parent link entry. */
1415	typedef ISO9660RRIPRE *PISO9660RRIPRE;
1416	/** Pointer to a const RRIP parent link entry. */
1417	typedef ISO9660RRIPRE const *PCISO9660RRIPRE;
1418	#define ISO9660RRIPRE_SIG1 'R' /*< RRIP relocated entry signature byte 1. /
1419	#define ISO9660RRIPRE_SIG2 'E' /*< RRIP relocated entry signature byte 2. /
1420	#define ISO9660RRIPRE_VER 1 /*< RRIP relocated entry version number. /
1421	#define ISO9660RRIPRE_LEN 4 /*< RRIP relocated entry length. /
1422	AssertCompileSize(ISO9660RRIPRE, ISO9660RRIPRE_LEN);
1423
1424
1425	/**
1426	* Rock ridge interchange protocol - sparse file entry (SF).
1427	*/
1428	#pragma pack(1)
1429	typedef struct ISO9660RRIPSF
1430	{
1431	/** Header (ISO9660RRIPSF_SIG1, ISO9660RRIPSF_SIG2,
1432	* ISO9660RRIPSF_LEN, ISO9660RRIPSF_VER). */
1433	ISO9660SUSPHDR Hdr;
1434	/** The high 32-bits of the 64-bit sparse file size. */
1435	ISO9660U32 cbSparseHi;
1436	/** The low 32-bits of the 64-bit sparse file size. */
1437	ISO9660U32 cbSparseLo;
1438	/** The table depth. */
1439	uint8_t cDepth;
1440	} ISO9660RRIPSF;
1441	#pragma pack()
1442	/** Pointer to a RRIP symbolic link entry. */
1443	typedef ISO9660RRIPSF *PISO9660RRIPSF;
1444	/** Pointer to a const RRIP symbolic link entry. */
1445	typedef ISO9660RRIPSF const *PCISO9660RRIPSF;
1446	#define ISO9660RRIPSF_SIG1 'S' /*< RRIP spare file entry signature byte 1. /
1447	#define ISO9660RRIPSF_SIG2 'F' /*< RRIP spare file entry signature byte 2. /
1448	#define ISO9660RRIPSF_VER 1 /*< RRIP spare file entry version number. /
1449	#define ISO9660RRIPSF_LEN 21 /*< RRIP spare file entry length. /
1450	AssertCompileSize(ISO9660RRIPSF, ISO9660RRIPSF_LEN);
1451
1452	/** @name ISO9660RRIP_SF_TAB_F_XXX - Sparse table format.
1453	* @{ */
1454	/** The 24-bit logical block number mask.
1455	* This is somewhat complicated, see docs. MBZ for EMPTY. */
1456	#define ISO9660RRIP_SF_TAB_F_BLOCK_MASK UINT32_C(0x00ffffff)
1457	/** Reserved bits, MBZ. */
1458	#define ISO9660RRIP_SF_TAB_F_RESERVED RT_BIT_32()
1459	/** References a sub-table with 256 entries (ISO9660U32). */
1460	#define ISO9660RRIP_SF_TAB_F_TABLE RT_BIT_32(30)
1461	/** Zero data region. */
1462	#define ISO9660RRIP_SF_TAB_F_EMPTY RT_BIT_32(31)
1463	/** @} */
1464
1465
1466	/**
1467	* SUSP and RRIP union.
1468	*/
1469	typedef union ISO9660SUSPUNION
1470	{
1471	ISO9660SUSPHDR Hdr; /*< SUSP header . /
1472	ISO9660SUSPCE CE; /*< SUSP continuation entry. /
1473	ISO9660SUSPPD PD; /*< SUSP padding entry. /
1474	ISO9660SUSPSP SP; /*< SUSP system use protocol entry. /
1475	ISO9660SUSPST ST; /*< SUSP terminator entry. /
1476	ISO9660SUSPER ER; /*< SUSP extension record entry. /
1477	ISO9660SUSPES ES; /*< SUSP extension sequence entry. /
1478	ISO9660RRIPRR RR; /*< RRIP optimization entry. /
1479	ISO9660RRIPPX PX; /*< RRIP posix attribute entry. /
1480	ISO9660RRIPTF TF; /*< RRIP timestamp entry. /
1481	ISO9660RRIPPN PN; /*< RRIP posix device number entry. /
1482	ISO9660RRIPSF SF; /*< RRIP sparse file entry. /
1483	ISO9660RRIPSL SL; /*< RRIP symbolic link entry. /
1484	ISO9660RRIPNM NM; /*< RRIP name entry. /
1485	ISO9660RRIPCL CL; /*< RRIP child link entry. /
1486	ISO9660RRIPPL PL; /*< RRIP parent link entry. /
1487	ISO9660RRIPRE RE; /*< RRIP relocated entry. /
1488	} ISO9660SUSPUNION;
1489	/** Pointer to a SUSP and RRIP union. */
1490	typedef ISO9660SUSPUNION *PISO9660SUSPUNION;
1491	/** Pointer to a const SUSP and RRIP union. */
1492	typedef ISO9660SUSPUNION *PCISO9660SUSPUNION;
1493
1494
1495	/** @} */
1496
1497	#endif
1498

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source: vbox/trunk/include/iprt/formats/iso9660.h@ 68113

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