hfs.h@ 104212

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1	/** @file
2	* IPRT - Hierarchical File System (HFS).
3	*/
4
5	/*
6	* Copyright (C) 2009-2023 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef IPRT_INCLUDED_formats_hfs_h
37	#define IPRT_INCLUDED_formats_hfs_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42
43	#include <iprt/types.h>
44	#include <iprt/assertcompile.h>
45
46
47	/** @defgroup grp_rt_fmt_hfs HFS - Hierarchical File System.
48	* @{
49	*/
50
51
52	/** @name HFS signature words (HFSPlusVolumeHeader::signature)
53	* @{ */
54	#define kHFSSigWord UINT16_C(0x4244)
55	#define kHFSPlusSigWord UINT16_C(0x482b)
56	#define kHFSXSigWord UINT16_C(0x4858)
57	/** @} */
58
59	/** @name HFS version numbers (HFSPlusVolumeHeader::version).
60	* @{ */
61	#define kHFSPlusVersion UINT16_C(4)
62	#define kHFSXVersion UINT16_C(5)
63	/** @} */
64
65	/** @name HFS mount version numbers (HFSPlusVolumeHeader::lastMountedVersion).
66	* @{ */
67	#define kHFSPlusMountVersion UINT32_C(0x31302e30)
68	#define kHFSJMountVersion UINT32_C(0x4846534a)
69	#define kFSKMountVersion UINT32_C(0x46534b21)
70	/** @} */
71
72	/** @name Hard link file creators & types.
73	* @{ */
74	#define kHardLinkFileType UINT32_C(0x686c6e6b)
75	#define kHFSPlusCreator UINT32_C(0x6866732b)
76	/** @} */
77
78	/** @name Symlink file creators & types.
79	* @{ */
80	#define kSymLinkFileType UINT32_C(0x736c6e6b)
81	#define kSymLinkCreator UINT32_C(0x72686170)
82	/** @} */
83
84	/** @name Name limits.
85	* @{ */
86	#define kHFSMaxVolumeNameChars UINT8_C(0x1b)
87	#define kHFSMaxFileNameChars UINT8_C(0x1f)
88	#define kHFSPlusMaxFileNameChars UINT8_C(0xff)
89	#define kHFSMaxAttrNameLen UINT8_C(0x7f)
90	/** @} */
91
92	/** @name Extent descriptor record densities
93	* @{ */
94	#define kHFSExtentDensity UINT8_C(3)
95	#define kHFSPlusExtentDensity UINT8_C(8)
96	/** @} */
97
98
99	/** @name File IDs (various fileID members).
100	* @{ */
101	#define kHFSRootParentID UINT32_C(0x00000001)
102	#define kHFSRootFolderID UINT32_C(0x00000002)
103	#define kHFSExtentsFileID UINT32_C(0x00000003)
104	#define kHFSCatalogFileID UINT32_C(0x00000004)
105	#define kHFSBadBlockFileID UINT32_C(0x00000005)
106	#define kHFSAllocationFileID UINT32_C(0x00000006)
107	#define kHFSStartupFileID UINT32_C(0x00000007)
108	#define kHFSAttributesFileID UINT32_C(0x00000008)
109	#define kHFSAttributeDataFileID UINT32_C(0x0000000c)
110	#define kHFSRepairCatalogFileID UINT32_C(0x0000000e)
111	#define kHFSBogusExtentFileID UINT32_C(0x0000000f)
112	#define kHFSFirstUserCatalogNodeID UINT32_C(0x00000010)
113	/** @} */
114
115	/** @name Catalog record types.
116	* @{ */
117	#define kHFSFolderRecord UINT16_C(0x0100)
118	#define kHFSFileRecord UINT16_C(0x0200)
119	#define kHFSFolderThreadRecord UINT16_C(0x0300)
120	#define kHFSFileThreadRecord UINT16_C(0x0400)
121	#define kHFSPlusFolderRecord UINT16_C(0x0001)
122	#define kHFSPlusFileRecord UINT16_C(0x0002)
123	#define kHFSPlusFolderThreadRecord UINT16_C(0x0003)
124	#define kHFSPlusFileThreadRecord UINT16_C(0x0004)
125	/** @} */
126
127	/** @name File record bits and masks.
128	* @{ */
129	#define kHFSFileLockedBit 0
130	#define kHFSThreadExistsBit 1
131	#define kHFSHasAttributesBit 2
132	#define kHFSHasSecurityBit 3
133	#define kHFSHasFolderCountBit 4
134	#define kHFSHasLinkChainBit 5
135	#define kHFSHasChildLinkBit 6
136	#define kHFSHasDateAddedBit 7
137
138	#define kHFSFileLockedMask RT_BIT(kHFSFileLockedBit)
139	#define kHFSThreadExistsMask RT_BIT(kHFSThreadExistsBit)
140	#define kHFSHasAttributesMask RT_BIT(kHFSHasAttributesBit)
141	#define kHFSHasSecurityMask RT_BIT(kHFSHasSecurityBit)
142	#define kHFSHasFolderCountMask RT_BIT(kHFSHasFolderCountBit)
143	#define kHFSHasLinkChainMask RT_BIT(kHFSHasLinkChainBit)
144	#define kHFSHasChildLinkMask RT_BIT(kHFSHasChildLinkBit)
145	#define kHFSHasDateAddedMask RT_BIT(kHFSHasDateAddedBit)
146	/** @} */
147
148	/** @name Key and node lengths.
149	* @{ */
150	#define kHFSPlusAttrKeyMaximumLength ( sizeof(HFSPlusAttrKey) - sizeof(uint16_t) )
151	#define kHFSPlusAttrKeyMinimumLength ( kHFSPlusAttrKeyMaximumLength - (kHFSMaxAttrNameLen * sizeof(uint16_t)) )
152	#define kHFSPlusExtentKeyMaximumLength ( sizeof(HFSPlusExtentKey) - sizeof(uint16_t),
153	#define kHFSExtentKeyMaximumLength ( sizeof(HFSExtentKey) - sizeof(uint8_t) )
154	#define kHFSPlusCatalogKeyMaximumLength ( sizeof(HFSPlusCatalogKey) - sizeof(uint16_t) )
155	#define kHFSPlusCatalogKeyMinimumLength ( kHFSPlusCatalogKeyMaximumLength - sizeof(HFSUniStr255) + sizeof(uint16_t) )
156	#define kHFSCatalogKeyMaximumLength ( sizeof(HFSCatalogKey) - sizeof(uint8_t) )
157	#define kHFSCatalogKeyMinimumLength ( kHFSCatalogKeyMaximumLength - kHFSMaxFileNameChars - 1 + sizeof(uint8_t) )
158	#define kHFSPlusCatalogMinNodeSize UINT16_C(0x1000)
159	#define kHFSPlusExtentMinNodeSize UINT16_C(0x0200)
160	#define kHFSPlusAttrMinNodeSize UINT16_C(0x1000)
161	/** @} */
162
163	/** @name Volume Attribute bits and masks.
164	* @remarks HFS has only 16-bit wide field, HFS+ has 32-bit.
165	* @{ */
166	#define kHFSVolumeHardwareLockBit 7
167	#define kHFSVolumeUnmountedBit 8
168	#define kHFSVolumeSparedBlocksBit 9
169	#define kHFSVolumeNoCacheRequiredBit 10
170	#define kHFSBootVolumeInconsistentBit 11
171	#define kHFSCatalogNodeIDsReusedBit 12
172	#define kHFSVolumeJournaledBit 13
173	#define kHFSVolumeInconsistentBit 14
174	#define kHFSVolumeSoftwareLockBit 15
175	#define kHFSUnusedNodeFixBit 31
176	#define kHFSContentProtectionBit 30
177
178	#define kHFSVolumeHardwareLockMask RT_BIT(kHFSVolumeHardwareLockBit)
179	#define kHFSVolumeUnmountedMask RT_BIT(kHFSVolumeUnmountedBit)
180	#define kHFSVolumeSparedBlocksMask RT_BIT(kHFSVolumeSparedBlocksBit)
181	#define kHFSVolumeNoCacheRequiredMask RT_BIT(kHFSVolumeNoCacheRequiredBit)
182	#define kHFSBootVolumeInconsistentMask RT_BIT(kHFSBootVolumeInconsistentBit)
183	#define kHFSCatalogNodeIDsReusedMask RT_BIT(kHFSCatalogNodeIDsReusedBit)
184	#define kHFSVolumeJournaledMask RT_BIT(kHFSVolumeJournaledBit)
185	#define kHFSVolumeInconsistentMask RT_BIT(kHFSVolumeInconsistentBit)
186	#define kHFSVolumeSoftwareLockMask RT_BIT(kHFSVolumeSoftwareLockBit)
187	#define kHFSUnusedNodeFixMask RT_BIT(kHFSUnusedNodeFixBit)
188	#define kHFSContentProtectionMask RT_BIT(kHFSContentProtectionBit)
189
190	#define kHFSMDBAttributesMask UINT16_C(0x8380)
191	/** @} */
192
193	/** @name Misc
194	* @{ */
195	#define kHFSUnusedNodesFixDate UINT32_C(0xc5ef2480)
196
197	#define HFSPLUSMETADATAFOLDER "\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80HFS+ Private Data"
198	#define HFSPLUS_DIR_METADATA_FOLDER ".HFS+ Private Directory Data\xd"
199	#define HFS_INODE_PREFIX "iNode"
200	#define HFS_DELETE_PREFIX "temp"
201	#define HFS_DIRINODE_PREFIX "dir_"
202	#define FIRST_LINK_XATTR_NAME "com.apple.system.hfs.firstlink"
203	#define FIRST_LINK_XATTR_REC_SIZE ( sizeof(HFSPlusAttrData) + 10 )
204
205	/* {b3e20f39-f292-11d6-97a4-00306543ecac} */
206	#define HFS_UUID_NAMESPACE_ID "\xB3\xE2\x0F\x39\xF2\x92\x11\xD6\x97\xA4\x00\x30\x65\x43\xEC\xAC"
207
208	#define SET_HFS_TEXT_ENCODING(a_uHint) (UINT32_C(0x656e6300) \| (uint8_t)(a_uHint))
209	#define GET_HFS_TEXT_ENCODING(a_uHint) ( ((a_uHint) & UINT32_C(0xffffff00)) == UINT32_C(0x656e6300) \
210	? UINT32_C(0x000000ff)(a_uHint) : UINT32_MAX)
211	/** @} */
212
213	/** @name B-tree stuff.
214	* @{ */
215	#define kMaxKeyLength 520
216
217	#define kBTLeafNode (-1)
218	#define kBTIndexNode 0
219	#define kBTHeaderNode 1
220	#define kBTMapNode 2
221
222	#define kBTBadCloseMask RT_BIT_32(0)
223	#define kBTBigKeysMask RT_BIT_32(1)
224	#define kBTVariableIndexKeysMask RT_BIT_32(2)
225
226	/** @} */
227
228	/** @name B-tree compare types (BTHeaderRec::keyCompareType)
229	* @{ */
230	#define kHFSCaseFolding UINT8_C(0xcf)
231	#define kHFSBinaryCompare UINT8_C(0xbc)
232	/** @} */
233
234	/** @name Journal stuff.
235	* @{ */
236	#define JIB_RESERVED_SIZE ( sizeof(uint32_t) * 32 - 85 )
237
238	#define kJIJournalInFSMask RT_BIT_32(0)
239	#define kJIJournalOnOtherDeviceMask RT_BIT_32(1)
240	#define kJIJournalNeedInitMask RT_BIT_32(2)
241
242	#define EXTJNL_CONTENT_TYPE_UUID "4a6f7572-6e61-11aa-aa11-00306543ecac"
243	/** @} */
244
245
246
247	typedef struct HFSUniStr255
248	{
249	uint16_t length;
250	RTUTF16 unicode[255];
251	} HFSUniStr255;
252	AssertCompileSize(HFSUniStr255, 0x200);
253	typedef const HFSUniStr255 * ConstHFSUniStr255Param;
254
255	#pragma pack(1)
256	typedef struct HFSExtentKey
257	{
258	uint8_t keyLength;
259	uint8_t forkType;
260	uint32_t fileID; /*< Misaligned. /
261	uint16_t startBLock;
262	} HFSExtentKey;
263	#pragma pack()
264	AssertCompileSize(HFSExtentKey, 8);
265
266	typedef struct HFSPlusExtentKey
267	{
268	uint16_t keyLength;
269	uint8_t forkType;
270	uint8_t pad;
271	uint32_t fileID;
272	uint32_t startBlock;
273	} HFSPlusExtentKey;
274	AssertCompileSize(HFSPlusExtentKey, 12);
275
276	typedef struct HFSExtentDescriptor
277	{
278	uint16_t startBlock;
279	uint16_t blockCount;
280	} HFSExtentDescriptor;
281	AssertCompileSize(HFSExtentDescriptor, 4);
282
283	typedef struct HFSPlusExtentDescriptor
284	{
285	uint32_t startBlock;
286	uint32_t blockCount;
287	} HFSPlusExtentDescriptor;
288	AssertCompileSize(HFSPlusExtentDescriptor, 8);
289
290	typedef HFSExtentDescriptor HFSExtentRecord[3];
291	typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
292
293	typedef struct FndrFileInfo
294	{
295	uint32_t fdType;
296	uint32_t fdCreator;
297	uint16_t fdFlags;
298	struct
299	{
300	int16_t v;
301	int16_t h;
302	} fdLocation;
303	uint16_t opaque;
304	} FndrFileInfo;
305	AssertCompileSize(FndrFileInfo, 16);
306
307	typedef struct FndrDirInfo
308	{
309	struct
310	{
311	int16_t top;
312	int16_t left;
313	int16_t bottom;
314	int16_t right;
315	} frRect;
316	uint16_t frFlags;
317	struct
318	{
319	int16_t v;
320	int16_t h;
321	} fdLocation;
322	uint16_t opaque;
323	} FndrDirInfo;
324	AssertCompileSize(FndrDirInfo, 16);
325
326	typedef struct FndrOpaqueInfo
327	{
328	int8_t opaque[16];
329	} FndrOpaqueInfo;
330	AssertCompileSize(FndrOpaqueInfo, 16);
331
332	typedef struct FndrExtendedFileInfo
333	{
334	uint32_t reserved1;
335	uint32_t date_added;
336	uint16_t extended_flags;
337	uint16_t reserved2;
338	uint32_t reserved3;
339	} FndrExtendedFileInfo;
340	AssertCompileSize(FndrExtendedFileInfo, 16);
341
342	typedef struct FndrExtendedDirInfo
343	{
344	uint32_t point;
345	uint32_t date_added;
346	uint16_t extended_flags;
347	uint16_t reserved3;
348	uint32_t reserved4;
349	} FndrExtendedDirInfo;
350	AssertCompileSize(FndrExtendedDirInfo, 16);
351
352	typedef struct HFSPlusForkData
353	{
354	uint64_t logicalSize;
355	uint32_t clumpSize;
356	uint32_t totalBlocks;
357	HFSPlusExtentRecord extents;
358	} HFSPlusForkData;
359	AssertCompileSize(HFSPlusForkData, 80);
360
361	typedef struct HFSPlusBSDInfo
362	{
363	uint32_t ownerID;
364	uint32_t groupID;
365	uint8_t adminFlags;
366	uint8_t ownerFlags;
367	uint16_t fileMode;
368	union
369	{
370	uint32_t iNodeNum;
371	uint32_t linkCount;
372	uint32_t rawDevice;
373	} special;
374	} HFSPlusBSDInfo;
375	AssertCompileSize(HFSPlusBSDInfo, 16);
376
377	#pragma pack(1)
378	typedef struct HFSCatalogKey
379	{
380	uint8_t keyLength;
381	uint8_t reserved;
382	uint32_t parentID; /*< Misaligned. /
383	uint8_t nodeName[kHFSMaxFileNameChars + 1];
384	} HFSCatalogKey;
385	#pragma pack()
386	AssertCompileSize(HFSCatalogKey, 0x26);
387
388	#pragma pack(1)
389	typedef struct HFSPlusCatalogKey
390	{
391	uint16_t keyLength;
392	uint32_t parentID; /*< Misaligned. /
393	HFSUniStr255 nodeName;
394	} HFSPlusCatalogKey;
395	#pragma pack()
396	AssertCompileSize(HFSPlusCatalogKey, 0x206);
397
398	#pragma pack(1)
399	typedef struct HFSCatalogFolder
400	{
401	int16_t recordType;
402	uint16_t flags;
403	uint16_t valence;
404	uint32_t folderID; /*< Misaligned. /
405	uint32_t createDate; /*< Misaligned. /
406	uint32_t modifyDate; /*< Misaligned. /
407	uint32_t backupDate; /*< Misaligned. /
408	FndrDirInfo userInfo;
409	FndrOpaqueInfo finderInfo;
410	uint32_t reserved[4]; /*< Misaligned. /
411	} HFSCatalogFolder;
412	#pragma pack()
413	AssertCompileSize(HFSCatalogFolder, 70);
414
415	typedef struct HFSPlusCatalogFolder
416	{
417	int16_t recordType;
418	uint16_t flags;
419	uint32_t valence;
420	uint32_t folderID;
421	uint32_t createDate;
422	uint32_t contentModDate;
423	uint32_t attributeModDate;
424	uint32_t accessDate;
425	uint32_t backupDate;
426	HFSPlusBSDInfo bsdInfo;
427	FndrDirInfo userInfo;
428	FndrOpaqueInfo finderInfo;
429	uint32_t textEncoding;
430	uint32_t folderCount;
431	} HFSPlusCatalogFolder;
432	AssertCompileSize(HFSPlusCatalogFolder, 88);
433
434	#pragma pack(1)
435	typedef struct HFSCatalogFile
436	{
437	int16_t recordType;
438	uint8_t flags;
439	uint8_t fileType;
440	FndrFileInfo userInfo;
441	uint32_t fileID;
442	uint16_t dataStartBlock;
443	int32_t dataLogicalSize; /*< Misaligned. /
444	int32_t dataPhysicalSize; /*< Misaligned. /
445	uint16_t rsrcStartBlock;
446	int32_t rsrcLogicalSize;
447	int32_t rsrcPhysicalSize;
448	uint32_t createDate;
449	uint32_t modifyDate;
450	uint32_t backupDate;
451	FndrOpaqueInfo finderInfo;
452	uint16_t clumpSize;
453	HFSExtentRecord dataExtents; /*< Misaligned. /
454	HFSExtentRecord rsrcExtents; /*< Misaligned. /
455	uint32_t reserved; /*< Misaligned. /
456	} HFSCatalogFile;
457	#pragma pack()
458	AssertCompileSize(HFSCatalogFile, 102);
459
460	#pragma pack(1)
461	typedef struct HFSPlusCatalogFile
462	{
463	int16_t recordType;
464	uint16_t flags;
465	uint32_t reserved1;
466	uint32_t fileID;
467	uint32_t createDate;
468	uint32_t contentModDate;
469	uint32_t attributeModDate;
470	uint32_t accessDate;
471	uint32_t backupDate;
472	HFSPlusBSDInfo bsdInfo;
473	FndrFileInfo userInfo;
474	FndrOpaqueInfo finderInfo;
475	uint32_t textEncoding;
476	uint32_t reserved2;
477	HFSPlusForkData dataFork;
478	HFSPlusForkData resourceFork;
479	} HFSPlusCatalogFile;
480	#pragma pack()
481	AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
482	AssertCompileSize(HFSPlusCatalogFile, 248);
483
484	#pragma pack(1)
485	typedef struct HFSCatalogThread
486	{
487	int16_t recordType;
488	int32_t reserved[2];
489	uint32_t parentID;
490	uint8_t nodeName[kHFSMaxFileNameChars + 1];
491	} HFSCatalogThread;
492	#pragma pack()
493	AssertCompileSize(HFSCatalogThread, 46);
494
495	typedef struct HFSPlusCatalogThread
496	{
497	int16_t recordType;
498	int16_t reserved;
499	uint32_t parentID;
500	HFSUniStr255 nodeName;
501	} HFSPlusCatalogThread;
502	AssertCompileSize(HFSPlusCatalogThread, 0x208);
503
504	typedef struct HFSPlusAttrForkData
505	{
506	uint32_t recordType;
507	uint32_t reserved;
508	HFSPlusForkData theFork;
509	} HFSPlusAttrForkData;
510	AssertCompileSize(HFSPlusAttrForkData, 88);
511
512	typedef struct HFSPlusAttrExtents
513	{
514	uint32_t recordType;
515	uint32_t reserved;
516	HFSPlusExtentRecord extents;
517	} HFSPlusAttrExtents;
518	AssertCompileSize(HFSPlusAttrExtents, 72);
519
520	#pragma pack(1)
521	typedef struct HFSPlusAttrData
522	{
523	uint32_t recordType;
524	uint32_t reserved[2];
525	uint32_t attrSize;
526	uint8_t attrData[2]; /*< Causes misaligned struct size. /
527	} HFSPlusAttrData;
528	#pragma pack()
529	AssertCompileSize(HFSPlusAttrData, 18);
530
531	#pragma pack(1)
532	typedef struct HFSPlusAttrInlineData
533	{
534	uint32_t recordType;
535	uint32_t reserved;
536	uint32_t logicalSize;
537	uint8_t userData[2]; /*< Causes misaligned struct size. /
538	} HFSPlusAttrInlineData;
539	#pragma pack()
540	AssertCompileSize(HFSPlusAttrInlineData, 14);
541
542	typedef union HFSPlusAttrRecord
543	{
544	uint32_t recordType;
545	HFSPlusAttrInlineData inlineData;
546	HFSPlusAttrData attrData;
547	HFSPlusAttrForkData forkData;
548	HFSPlusAttrExtents overflowExtents;
549	} HFSPlusAttrRecord;
550	AssertCompileSize(HFSPlusAttrRecord, 88);
551
552	typedef struct HFSPlusAttrKey
553	{
554	uint16_t keyLength;
555	uint16_t pad;
556	uint32_t fileID;
557	uint32_t startBlock;
558	uint16_t attrNameLen;
559	RTUTF16 attrName[kHFSMaxAttrNameLen];
560	} HFSPlusAttrKey;
561	AssertCompileSize(HFSPlusAttrKey, 268);
562
563	#pragma pack(1)
564	typedef struct HFSMasterDirectoryBlock
565	{
566	uint16_t drSigWord;
567	uint32_t drCrDate; /*< Misaligned. /
568	uint32_t drLsMod; /*< Misaligned. /
569	uint16_t drAtrb;
570	uint16_t drNmFls;
571	uint16_t drVBMSt;
572	uint16_t drAllocPtr;
573	uint16_t drNmAlBlks;
574	uint32_t drAlBlkSiz;
575	uint32_t drClpSiz;
576	uint16_t drAlBlSt;
577	uint32_t drNxCNID; /*< Misaligned. /
578	uint16_t drFreeBks;
579	uint8_t drVN[kHFSMaxVolumeNameChars + 1];
580	uint32_t drVolBkUp;
581	uint16_t drVSeqNum;
582	uint32_t drWrCnt; /*< Misaligned. /
583	uint32_t drXTClpSiz; /*< Misaligned. /
584	uint32_t drCTClpSiz; /*< Misaligned. /
585	uint16_t drNmRtDirs;
586	uint32_t drFilCnt;
587	uint32_t drDirCnt;
588	uint32_t drFndrInfo[8];
589	uint16_t drEmbedSigWord;
590	HFSExtentDescriptor drEmbedExtent;
591	uint32_t drXTFlSize; /*< Misaligned. /
592	HFSExtentRecord drXTExtRec;
593	uint32_t drCTFlSize; /*< Misaligned. /
594	HFSExtentRecord drCTExtRec;
595	} HFSMasterDirectoryBlock;
596	#pragma pack()
597	AssertCompileSize(HFSMasterDirectoryBlock, 162);
598
599	typedef struct HFSPlusVolumeHeader
600	{
601	uint16_t signature;
602	uint16_t version;
603	uint32_t attributes;
604	uint32_t lastMountedVersion;
605	uint32_t journalInfoBlock;
606	uint32_t createDate;
607	uint32_t modifyDate;
608	uint32_t backupDate;
609	uint32_t checkedDate;
610	uint32_t fileCount;
611	uint32_t folderCount;
612	uint32_t blockSize;
613	uint32_t totalBlocks;
614	uint32_t freeBlocks;
615	uint32_t nextAllocation;
616	uint32_t rsrcClumpSize;
617	uint32_t dataClumpSize;
618	uint32_t nextCatalogID;
619	uint32_t writeCount;
620	uint64_t encodingsBitmap;
621	uint8_t finderInfo[32];
622	HFSPlusForkData allocationFile;
623	HFSPlusForkData extentsFile;
624	HFSPlusForkData catalogFile;
625	HFSPlusForkData attributesFile;
626	HFSPlusForkData startupFile;
627	} HFSPlusVolumeHeader;
628	AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
629	AssertCompileSize(HFSPlusVolumeHeader, 512);
630
631	typedef union BTreeKey
632	{
633	uint8_t length8;
634	uint16_t length16;
635	uint8_t rawData[kMaxKeyLength + 2];
636	} BTreeKey;
637	AssertCompileSize(BTreeKey, 522);
638
639	#pragma pack(1)
640	typedef struct BTNodeDescriptor
641	{
642	uint32_t fLink;
643	uint32_t bLink;
644	int8_t kind;
645	uint8_t height;
646	uint16_t numRecords;
647	uint16_t reserved; /*< Causes struct size misalignment. /
648	} BTNodeDescriptor;
649	#pragma pack()
650	AssertCompileSize(BTNodeDescriptor, 14);
651
652	#pragma pack(1)
653	typedef struct BTHeaderRec
654	{
655	uint16_t treeDepth;
656	uint32_t rootNode; /*< Misaligned. /
657	uint32_t leafRecords; /*< Misaligned. /
658	uint32_t firstLeafNode; /*< Misaligned. /
659	uint32_t lastLeafNode; /*< Misaligned. /
660	uint16_t nodeSize;
661	uint16_t maxKeyLength;
662	uint32_t totalNodes; /*< Misaligned. /
663	uint32_t freeNodes; /*< Misaligned. /
664	uint16_t reserved1;
665	uint32_t clumpSize;
666	uint8_t btreeType;
667	uint8_t keyCompareType;
668	uint32_t attributes; /*< Misaligned. /
669	uint32_t reserved3[16]; /*< Misaligned. /
670	} BTHeaderRec;
671	#pragma pack()
672	AssertCompileSize(BTHeaderRec, 106);
673
674	#pragma pack(1)
675	typedef struct JournalInfoBlock
676	{
677	uint32_t flags;
678	uint32_t devices_signature[8];
679	uint64_t offset; /*< Misaligned (morons). /
680	uint64_t size; /*< Misaligned. /
681	char ext_jnl_uuid[37];
682	char machine_serial_num[48];
683	char reserved[JIB_RESERVED_SIZE];
684	} JournalInfoBlock;
685	#pragma pack()
686	AssertCompileSize(JournalInfoBlock, 180);
687
688	/** @} */
689
690	#endif /* !IPRT_INCLUDED_formats_hfs_h */
691

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source: vbox/trunk/include/iprt/formats/hfs.h@ 104212

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