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source: trunk/include/regfi.h @ 162

Last change on this file since 162 was 162, checked in by tim, 14 years ago
added UTF-16LE support for value names
Property svn:keywords set to `Id`
File size: 22.8 KB

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1	/*
2	* Branched from Samba project Subversion repository, version #6903:
3	* http://viewcvs.samba.org/cgi-bin/viewcvs.cgi/trunk/source/include/regfio.h?rev=6903&view=auto
4	*
5	* Windows NT (and later) registry parsing library
6	*
7	* Copyright (C) 2005-2009 Timothy D. Morgan
8	* Copyright (C) 2005 Gerald (Jerry) Carter
9	*
10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; version 3 of the License.
13	*
14	* This program is distributed in the hope that it will be useful,
15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17	* GNU General Public License for more details.
18	*
19	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*
23	* $Id: regfi.h 162 2009-12-07 20:12:13Z tim $
24	*/
25
26	/************************************************************
27	* Most of this information was obtained from
28	* http://www.wednesday.demon.co.uk/dosreg.html
29	* Thanks Nigel!
30	***********************************************************/
31
32	#ifndef _REGFI_H
33	#define _REGFI_H
34
35	#include <stdlib.h>
36	#include <stdio.h>
37	#include <stdbool.h>
38	#include <stdarg.h>
39	#include <string.h>
40	#include <errno.h>
41	#include <time.h>
42	#include <fcntl.h>
43	#include <sys/stat.h>
44	#include <sys/types.h>
45	#include <unistd.h>
46	#include <assert.h>
47	#include <iconv.h>
48
49	#include "talloc.h"
50	#include "smb_deps.h"
51	#include "winsec.h"
52	#include "void_stack.h"
53	#include "range_list.h"
54	#include "lru_cache.h"
55
56	/******************************************************************************/
57
58	/* regfi library error message types */
59	#define REGFI_MSG_INFO 0x0001
60	#define REGFI_MSG_WARN 0x0004
61	#define REGFI_MSG_ERROR 0x0010
62
63	typedef uint8 REGFI_ENCODING;
64	/* regfi library supported character encodings */
65	#define REGFI_ENCODING_ASCII 0
66	#define REGFI_ENCODING_UTF8 1
67	#define REGFI_ENCODING_DEFAULT REGFI_ENCODING_ASCII
68	/* UTF16LE is not supported for output */
69	#define REGFI_ENCODING_UTF16LE 2
70
71	#define REGFI_NUM_ENCODINGS 3
72
73	/* Windows is lame */
74	#ifdef O_BINARY
75	#define REGFI_OPEN_FLAGS O_RDONLY\|O_BINARY
76	#else
77	#define REGFI_OPEN_FLAGS O_RDONLY
78	#endif
79
80	/* Registry data types */
81	#define REG_NONE 0
82	#define REG_SZ 1
83	#define REG_EXPAND_SZ 2
84	#define REG_BINARY 3
85	#define REG_DWORD 4
86	#define REG_DWORD_LE 4 /* DWORD, little endian */
87	#define REG_DWORD_BE 5 /* DWORD, big endian */
88	#define REG_LINK 6
89	#define REG_MULTI_SZ 7
90	#define REG_RESOURCE_LIST 8
91	#define REG_FULL_RESOURCE_DESCRIPTOR 9
92	#define REG_RESOURCE_REQUIREMENTS_LIST 10
93	#define REG_QWORD 11 /* 64-bit little endian */
94	/* XXX: Has MS defined a REG_QWORD_BE? */
95	/* Not a real type in the registry */
96	#define REG_KEY 0x7FFFFFFF
97
98	#define REGFI_MAX_DEPTH 512
99	#define REGFI_OFFSET_NONE 0xffffffff
100
101	/* XXX: This is totally arbitrary right now. */
102	#define REGFI_MAX_SUBKEY_DEPTH 255
103
104	/* Header sizes and magic number lengths for various records */
105	#define REGFI_HBIN_ALLOC 0x1000 /* Minimum allocation unit for HBINs */
106	#define REGFI_REGF_SIZE 0x1000 /* "regf" header block size */
107	#define REGFI_REGF_MAGIC_SIZE 4
108	#define REGFI_REGF_NAME_SIZE 64
109	#define REGFI_REGF_RESERVED1_SIZE 340
110	#define REGFI_REGF_RESERVED2_SIZE 3528
111	#define REGFI_HBIN_MAGIC_SIZE 4
112	#define REGFI_CELL_MAGIC_SIZE 2
113	#define REGFI_HBIN_HEADER_SIZE 0x20
114	#define REGFI_NK_MIN_LENGTH 0x4C
115	#define REGFI_VK_MIN_LENGTH 0x14
116	#define REGFI_SK_MIN_LENGTH 0x14
117	#define REGFI_SUBKEY_LIST_MIN_LEN 0x4
118	#define REGFI_BIG_DATA_MIN_LENGTH 0xC
119
120
121	/* Constants used for validation */
122	/* XXX: Can we add clock resolution validation as well as range? It has
123	* been reported that Windows timestamps are never more than a
124	* certain granularity (250ms?), which could be used to help
125	* eliminate false positives. Would need to verify this and
126	* perhaps conservatively implement a check.
127	*/
128	/* Minimum time is Jan 1, 1990 00:00:00 */
129	#define REGFI_MTIME_MIN_HIGH 0x01B41E6D
130	#define REGFI_MTIME_MIN_LOW 0x26F98000
131	/* Maximum time is Jan 1, 2290 00:00:00
132	* (We hope no one is using Windows by then...)
133	*/
134	#define REGFI_MTIME_MAX_HIGH 0x03047543
135	#define REGFI_MTIME_MAX_LOW 0xC80A4000
136
137
138	/* Flags for the vk records */
139	#define REGFI_VK_FLAG_ASCIINAME 0x0001
140	#define REGFI_VK_DATA_IN_OFFSET 0x80000000
141	#define REGFI_VK_MAX_DATA_LENGTH 10241024 / XXX: This is arbitrary */
142
143
144	/* Known key flags */
145	/*******************/
146	/* These next two show up on normal-seeming keys in Vista and W2K3 registries */
147	#define REGFI_NK_FLAG_UNKNOWN1 0x4000
148	#define REGFI_NK_FLAG_UNKNOWN2 0x1000
149
150	/* This next one shows up on root keys in some Vista "software" registries */
151	#define REGFI_NK_FLAG_UNKNOWN3 0x0080
152
153	/* Predefined handle. Rumor has it that the valuelist count for this key is
154	* where the handle is stored.
155	* http://msdn.microsoft.com/en-us/library/ms724836(VS.85).aspx
156	*/
157	#define REGFI_NK_FLAG_PREDEF_KEY 0x0040
158
159	/* The name will be in ASCII if this next bit is set, otherwise UTF-16LE */
160	#define REGFI_NK_FLAG_ASCIINAME 0x0020
161
162	/* Symlink key.
163	* See: http://www.codeproject.com/KB/system/regsymlink.aspx
164	*/
165	#define REGFI_NK_FLAG_LINK 0x0010
166
167	/* This key cannot be deleted */
168	#define REGFI_NK_FLAG_NO_RM 0x0008
169
170	/* Root of a hive */
171	#define REGFI_NK_FLAG_ROOT 0x0004
172
173	/* Mount point of another hive. NULL/(default) value indicates which hive
174	* and where in the hive it points to.
175	*/
176	#define REGFI_NK_FLAG_HIVE_LINK 0x0002
177
178	/* These keys shouldn't be stored on disk, according to:
179	* http://geekswithblogs.net/sdorman/archive/2007/12/24/volatile-registry-keys.aspx
180	*/
181	#define REGFI_NK_FLAG_VOLATILE 0x0001
182
183	/* Useful for identifying unknown flag types */
184	#define REGFI_NK_KNOWN_FLAGS (REGFI_NK_FLAG_PREDEF_KEY\
185	\| REGFI_NK_FLAG_ASCIINAME\
186	\| REGFI_NK_FLAG_LINK\
187	\| REGFI_NK_FLAG_NO_RM\
188	\| REGFI_NK_FLAG_ROOT\
189	\| REGFI_NK_FLAG_HIVE_LINK\
190	\| REGFI_NK_FLAG_VOLATILE\
191	\| REGFI_NK_FLAG_UNKNOWN1\
192	\| REGFI_NK_FLAG_UNKNOWN2)
193
194	/* HBIN block */
195	typedef struct _regfi_hbin
196	{
197	uint32 file_off; /* my offset in the registry file */
198	uint32 ref_count; /* how many active records are pointing to this
199	* block (not used currently)
200	*/
201
202	uint32 first_hbin_off; /* offset from first hbin block */
203	uint32 block_size; /* block size of this block
204	* Should be a multiple of 4096 (0x1000)
205	*/
206	uint32 next_block; /* relative offset to next block.
207	* NOTE: This value may be unreliable!
208	*/
209
210	uint8 magic[REGFI_HBIN_MAGIC_SIZE]; /* "hbin" */
211	} REGFI_HBIN;
212
213
214	/* Subkey List -- list of key offsets and hashed names for consistency */
215	typedef struct
216	{
217	/* Virtual offset of NK record or additional subkey list,
218	* depending on this list's type.
219	*/
220	uint32 offset;
221
222	uint32 hash;
223	} REGFI_SUBKEY_LIST_ELEM;
224
225
226	typedef struct _regfi_subkey_list
227	{
228	/* Real offset of this record's cell in the file */
229	uint32 offset;
230
231	uint32 cell_size;
232
233	/* Number of immediate children */
234	uint32 num_children;
235
236	/* Total number of keys referenced by this list and it's children */
237	uint32 num_keys;
238
239	REGFI_SUBKEY_LIST_ELEM* elements;
240	uint8 magic[REGFI_CELL_MAGIC_SIZE];
241
242	/* Set if the magic indicates this subkey list points to child subkey lists */
243	bool recursive_type;
244	} REGFI_SUBKEY_LIST;
245
246
247	typedef uint32 REGFI_VALUE_LIST_ELEM;
248	typedef struct _regfi_value_list
249	{
250	/* Actual number of values referenced by this list.
251	* May differ from parent key's num_values if there were parsing errors.
252	*/
253	uint32 num_values;
254
255	REGFI_VALUE_LIST_ELEM* elements;
256	} REGFI_VALUE_LIST;
257
258
259	typedef struct _regfi_classname
260	{
261	/* As converted to requested character encoding. */
262	char* interpreted;
263
264	/* Represents raw buffer read from classname cell. */
265	uint8* raw;
266
267	/* Length of the raw data. May be shorter than that indicated by parent key.*/
268	uint16 size;
269	} REGFI_CLASSNAME;
270
271
272	typedef struct _regfi_data
273	{
274	uint32 type;
275
276	/* Length of the raw data. */
277	uint32 size;
278
279	/* This is always present, representing the raw data cell contents. */
280	uint8* raw;
281
282	/* Represents the length of the interpreted value. Meaning is type-specific.*/
283	uint32 interpreted_size;
284
285	/* These items represent interpreted versions of the raw attribute above.
286	* Only use the appropriate member according to the type field.
287	* In the event of an unknown type, use only the raw field.
288	*/
289	union _regfi_data_interpreted
290	{
291	uint8* none; /* */
292	uint8* string;
293	uint8* expand_string;
294	uint8* binary; /* */
295	uint32 dword;
296	uint32 dword_be;
297	uint8* link;
298	uint8** multiple_string;
299	uint64 qword;
300
301	/* The following are treated as binary currently, but this may change in
302	* the future as the formats become better understood.
303	*/
304	uint8* resource_list;
305	uint8* full_resource_descriptor;
306	uint8* resource_requirements_list;
307	} interpreted;
308	} REGFI_DATA;
309
310
311	/* Value record */
312	typedef struct
313	{
314	uint32 offset; /* Real offset of this record's cell in the file */
315	uint32 cell_size; /* ((start_offset - end_offset) & 0xfffffff8) */
316
317	REGFI_DATA* data; /* XXX: deprecated */
318
319	char* valuename;
320	uint8* valuename_raw;
321	uint16 name_length;
322	uint32 hbin_off; /* offset from beginning of this hbin block */
323
324	uint32 data_size; /* As reported in the VK record. May be different than
325	* That obtained while parsing the data cell itself. */
326	uint32 data_off; /* Offset of data cell (virtual) */
327	uint32 type;
328	uint8 magic[REGFI_CELL_MAGIC_SIZE];
329	uint16 flags;
330	uint16 unknown1;
331	bool data_in_offset;
332	} REGFI_VK_REC;
333
334
335	/* Key Security */
336	struct _regfi_sk_rec;
337
338	typedef struct _regfi_sk_rec
339	{
340	uint32 offset; /* Real file offset of this record */
341	uint32 cell_size; /* ((start_offset - end_offset) & 0xfffffff8) */
342
343	WINSEC_DESC* sec_desc;
344	uint32 hbin_off; /* offset from beginning of this hbin block */
345
346	uint32 prev_sk_off;
347	uint32 next_sk_off;
348	uint32 ref_count;
349	uint32 desc_size; /* size of security descriptor */
350	uint16 unknown_tag;
351	uint8 magic[REGFI_CELL_MAGIC_SIZE];
352	} REGFI_SK_REC;
353
354
355	/* Key Name */
356	typedef struct
357	{
358	uint32 offset; /* Real offset of this record's cell in the file */
359	uint32 cell_size; /* Actual or estimated length of the cell.
360	* Always in multiples of 8.
361	*/
362
363	/* link in the other records here */
364	REGFI_VALUE_LIST* values;
365	REGFI_SUBKEY_LIST* subkeys;
366
367	/* header information */
368	uint16 flags;
369	uint8 magic[REGFI_CELL_MAGIC_SIZE];
370	NTTIME mtime;
371	uint16 name_length;
372	uint16 classname_length;
373	char* keyname;
374	uint8* keyname_raw;
375	uint32 parent_off; /* pointer to parent key */
376	uint32 classname_off;
377
378	/* max lengths */
379	uint32 max_bytes_subkeyname; /* max subkey name * 2 */
380	uint32 max_bytes_subkeyclassname; /* max subkey classname length (as if) */
381	uint32 max_bytes_valuename; /* max valuename * 2 */
382	uint32 max_bytes_value; /* max value data size */
383
384	/* unknowns */
385	uint32 unknown1;
386	uint32 unknown2;
387	uint32 unknown3;
388	uint32 unk_index; /* nigel says run time index ? */
389
390	/* children */
391	uint32 num_subkeys;
392	uint32 subkeys_off; /* offset of subkey list that points to NK records */
393	uint32 num_values;
394	uint32 values_off; /* value lists which point to VK records */
395	uint32 sk_off; /* offset to SK record */
396	} REGFI_NK_REC;
397
398
399
400	/* REGF block */
401	typedef struct
402	{
403	/* Run-time information */
404	/************************/
405	/* file descriptor */
406	int fd;
407
408	/* For sanity checking (not part of the registry header) */
409	uint32 file_length;
410
411	/* Metadata about hbins */
412	range_list* hbins;
413
414	/* SK record cached since they're repeatedly reused */
415	lru_cache* sk_cache;
416
417	/* Error/warning/info messages returned by lower layer functions */
418	char* last_message;
419
420	/* Mask for error message types that will be stored. */
421	uint16 msg_mask;
422
423
424	/* Data parsed from file header */
425	/********************************/
426	uint8 magic[REGFI_REGF_MAGIC_SIZE];/* "regf" */
427
428	/* These sequence numbers should match if
429	* the hive was properly synced to disk.
430	*/
431	uint32 sequence1;
432	uint32 sequence2;
433
434	NTTIME mtime;
435	uint32 major_version; /* Set to 1 in all known hives */
436	uint32 minor_version; /* Set to 3 or 5 in all known hives */
437	uint32 type; /* XXX: Unverified. Set to 0 in all known hives */
438	uint32 format; /* XXX: Unverified. Set to 1 in all known hives */
439
440	uint32 root_cell; /* Offset to root cell in the first (or any?) hbin block */
441	uint32 last_block; /* Offset to last hbin block in file */
442
443	uint32 cluster; /* XXX: Unverified. Set to 1 in all known hives */
444
445	/* Matches hive's base file name. Stored in UTF-16LE */
446	uint8 file_name[REGFI_REGF_NAME_SIZE];
447
448	WINSEC_UUID* rm_id; /* XXX: Unverified. */
449	WINSEC_UUID* log_id; /* XXX: Unverified. */
450	WINSEC_UUID* tm_id; /* XXX: Unverified. */
451	uint32 flags; /* XXX: Unverified. */
452	uint32 guid_signature; /* XXX: Unverified. */
453
454	uint32 checksum; /* Stored checksum from file */
455	uint32 computed_checksum; /* Our own calculation of the checksum.
456	* (XOR of bytes 0x0000 - 0x01FB) */
457
458	WINSEC_UUID* thaw_tm_id; /* XXX: Unverified. */
459	WINSEC_UUID* thaw_rm_id; /* XXX: Unverified. */
460	WINSEC_UUID* thaw_log_id; /* XXX: Unverified. */
461	uint32 boot_type; /* XXX: Unverified. */
462	uint32 boot_recover; /* XXX: Unverified. */
463
464	/* This seems to include random junk. Possibly unsanitized memory left over
465	* from when header block was written. For instance, chunks of nk records
466	* can be found, though often it's all 0s. */
467	uint8 reserved1[REGFI_REGF_RESERVED1_SIZE];
468
469	/* This is likely reserved and unusued currently. (Should be all 0s.)
470	* Included here for easier access in looking for hidden data
471	* or doing research. */
472	uint8 reserved2[REGFI_REGF_RESERVED2_SIZE];
473
474	} REGFI_FILE;
475
476
477	/* XXX: Should move all caching (SK records, HBINs, NKs, etc) to a single
478	* structure, probably REGFI_FILE. Once key caching is in place,
479	* convert key_positions stack to store just key offsets rather than
480	* whole keys.
481	*/
482	typedef struct _regfi_iterator
483	{
484	REGFI_FILE* f;
485	void_stack* key_positions;
486	REGFI_NK_REC* cur_key;
487	REGFI_ENCODING string_encoding;
488	uint32 cur_subkey;
489	uint32 cur_value;
490	} REGFI_ITERATOR;
491
492
493	typedef struct _regfi_iter_position
494	{
495	REGFI_NK_REC* nk;
496	uint32 cur_subkey;
497	/* We could store a cur_value here as well, but didn't see
498	* the use in it right now.
499	*/
500	} REGFI_ITER_POSITION;
501
502
503	typedef struct _regfi_buffer
504	{
505	uint8* buf;
506	uint32_t len;
507	} REGFI_BUFFER;
508
509
510
511
512	/******************************************************************************/
513	/* Main iterator API */
514	/******************************************************************************/
515	REGFI_FILE* regfi_open(const char* filename);
516	int regfi_close(REGFI_FILE* r);
517
518	/* regfi_get_messages: Get errors, warnings, and/or verbose information
519	* relating to processing of the given registry file.
520	*
521	* Arguments:
522	* file -- the structure for the registry file
523	*
524	* Returns:
525	* A newly allocated char* which must be free()d by the caller.
526	*/
527	char* regfi_get_messages(REGFI_FILE* file);
528
529	void regfi_set_message_mask(REGFI_FILE* file, uint16 mask);
530
531
532	/* regfi_iterator_new: Creates a new iterator for the provided registry file.
533	*
534	* Arguments:
535	* file -- The opened registry file the iterator should be
536	* created for.
537	* output_encoding -- Character encoding that strings should be returned in.
538	* Only supply the REGFI_ENCODING_* constants, as others
539	* will be rejected.
540	* The following values are currently accepted:
541	* REGFI_ENCODING_DEFAULT (currently REGFI_ENCODING_ASCII)
542	* REGFI_ENCODING_ASCII
543	* REGFI_ENCODING_UTF8
544	*
545	* XXX: This encoding only applies to specific data
546	* strings currently, but should apply to key
547	* names and value names in the future.
548	*
549	* Returns:
550	* A newly allocated REGFI_ITERATOR. Must be free()d with regfi_iterator_free.
551	*/
552	REGFI_ITERATOR* regfi_iterator_new(REGFI_FILE* file,
553	REGFI_ENCODING output_encoding);
554	void regfi_iterator_free(REGFI_ITERATOR* i);
555	bool regfi_iterator_down(REGFI_ITERATOR* i);
556	bool regfi_iterator_up(REGFI_ITERATOR* i);
557	bool regfi_iterator_to_root(REGFI_ITERATOR* i);
558
559	bool regfi_iterator_walk_path(REGFI_ITERATOR* i,
560	const char** path);
561	const REGFI_NK_REC* regfi_iterator_cur_key(REGFI_ITERATOR* i);
562	const REGFI_SK_REC* regfi_iterator_cur_sk(REGFI_ITERATOR* i);
563
564	REGFI_NK_REC* regfi_iterator_first_subkey(REGFI_ITERATOR* i);
565	REGFI_NK_REC* regfi_iterator_cur_subkey(REGFI_ITERATOR* i);
566	REGFI_NK_REC* regfi_iterator_next_subkey(REGFI_ITERATOR* i);
567	bool regfi_iterator_find_subkey(REGFI_ITERATOR* i,
568	const char* subkey_name);
569
570	REGFI_VK_REC* regfi_iterator_first_value(REGFI_ITERATOR* i);
571	REGFI_VK_REC* regfi_iterator_cur_value(REGFI_ITERATOR* i);
572	REGFI_VK_REC* regfi_iterator_next_value(REGFI_ITERATOR* i);
573	bool regfi_iterator_find_value(REGFI_ITERATOR* i,
574	const char* value_name);
575
576	REGFI_CLASSNAME* regfi_iterator_fetch_classname(REGFI_ITERATOR* i,
577	const REGFI_NK_REC* key);
578	REGFI_DATA* regfi_iterator_fetch_data(REGFI_ITERATOR* i,
579	const REGFI_VK_REC* value);
580
581
582	/********************************************************/
583	/* Middle-layer structure loading, linking, and caching */
584	/********************************************************/
585	REGFI_NK_REC* regfi_load_key(REGFI_FILE* file, uint32 offset,
586	REGFI_ENCODING output_encoding,
587	bool strict);
588	REGFI_VK_REC* regfi_load_value(REGFI_FILE* file, uint32 offset,
589	REGFI_ENCODING output_encoding,
590	bool strict);
591	REGFI_SUBKEY_LIST* regfi_load_subkeylist(REGFI_FILE* file, uint32 offset,
592	uint32 num_keys, uint32 max_size,
593	bool strict);
594	REGFI_VALUE_LIST* regfi_load_valuelist(REGFI_FILE* file, uint32 offset,
595	uint32 num_values, uint32 max_size,
596	bool strict);
597
598	REGFI_BUFFER regfi_load_data(REGFI_FILE* file, uint32 voffset,
599	uint32 length, bool data_in_offset,
600	bool strict);
601
602	REGFI_BUFFER regfi_load_big_data(REGFI_FILE* file, uint32 offset,
603	uint32 data_length,uint32 cell_length,
604	range_list* used_ranges,
605	bool strict);
606	bool regfi_interpret_data(REGFI_FILE* file,
607	REGFI_ENCODING string_encoding,
608	uint32 type, REGFI_DATA* data);
609	void regfi_free_classname(REGFI_CLASSNAME* classname);
610	void regfi_free_data(REGFI_DATA* data);
611
612
613	/* These are cached so return values don't need to be freed. */
614	const REGFI_SK_REC* regfi_load_sk(REGFI_FILE* file, uint32 offset,
615	bool strict);
616	const REGFI_HBIN* regfi_lookup_hbin(REGFI_FILE* file, uint32 offset);
617
618
619	/************************************/
620	/* Low-layer data structure access */
621	/************************************/
622	REGFI_FILE* regfi_parse_regf(int fd, bool strict);
623	REGFI_HBIN* regfi_parse_hbin(REGFI_FILE* file, uint32 offset,
624	bool strict);
625
626
627	/* regfi_parse_nk: Parses an NK record.
628	*
629	* Arguments:
630	* f -- the registry file structure
631	* offset -- the offset of the cell (not the record) to be parsed.
632	* max_size -- the maximum size the NK cell could be. (for validation)
633	* strict -- if true, rejects any malformed records. Otherwise,
634	* tries to minimally validate integrity.
635	* Returns:
636	* A newly allocated NK record structure, or NULL on failure.
637	*/
638	REGFI_NK_REC* regfi_parse_nk(REGFI_FILE* file, uint32 offset,
639	uint32 max_size, bool strict);
640
641	REGFI_SUBKEY_LIST* regfi_parse_subkeylist(REGFI_FILE* file, uint32 offset,
642	uint32 max_size, bool strict);
643
644	REGFI_VK_REC* regfi_parse_vk(REGFI_FILE* file, uint32 offset,
645	uint32 max_size, bool strict);
646
647	REGFI_SK_REC* regfi_parse_sk(REGFI_FILE* file, uint32 offset,
648	uint32 max_size, bool strict);
649
650	range_list* regfi_parse_unalloc_cells(REGFI_FILE* file);
651
652	bool regfi_parse_cell(int fd, uint32 offset,
653	uint8* hdr, uint32 hdr_len,
654	uint32* cell_length, bool* unalloc);
655
656	uint8* regfi_parse_classname(REGFI_FILE* file, uint32 offset,
657	uint16* name_length,
658	uint32 max_size, bool strict);
659
660	REGFI_BUFFER regfi_parse_data(REGFI_FILE* file, uint32 offset,
661	uint32 length, bool strict);
662
663	REGFI_BUFFER regfi_parse_little_data(REGFI_FILE* file, uint32 voffset,
664	uint32 length, bool strict);
665
666
667	/* Dispose of previously parsed records */
668	void regfi_free_key(REGFI_NK_REC* nk);
669	void regfi_free_value(REGFI_VK_REC* vk);
670
671
672
673	/************************************/
674	/* Private Functions */
675	/************************************/
676	REGFI_NK_REC* regfi_rootkey(REGFI_FILE* file,
677	REGFI_ENCODING output_encoding);
678	void regfi_subkeylist_free(REGFI_SUBKEY_LIST* list);
679	uint32 regfi_read(int fd, uint8* buf, uint32* length);
680
681	const char* regfi_type_val2str(unsigned int val);
682	int regfi_type_str2val(const char* str);
683
684	char* regfi_get_sacl(WINSEC_DESC* sec_desc);
685	char* regfi_get_dacl(WINSEC_DESC* sec_desc);
686	char* regfi_get_owner(WINSEC_DESC* sec_desc);
687	char* regfi_get_group(WINSEC_DESC* sec_desc);
688
689	REGFI_SUBKEY_LIST* regfi_merge_subkeylists(uint16 num_lists,
690	REGFI_SUBKEY_LIST** lists,
691	bool strict);
692	REGFI_SUBKEY_LIST* regfi_load_subkeylist_aux(REGFI_FILE* file, uint32 offset,
693	uint32 max_size, bool strict,
694	uint8 depth_left);
695	void regfi_add_message(REGFI_FILE* file, uint16 msg_type,
696	const char* fmt, ...);
697	REGFI_NK_REC* regfi_copy_nk(const REGFI_NK_REC* nk);
698	REGFI_VK_REC* regfi_copy_vk(const REGFI_VK_REC* vk);
699	int32 regfi_calc_maxsize(REGFI_FILE* file, uint32 offset);
700	int32 regfi_conv_charset(const char* input_charset,
701	const char* output_charset,
702	uint8* input, char* output,
703	uint32 input_len, uint32 output_max);
704	REGFI_DATA* regfi_buffer_to_data(REGFI_BUFFER raw_data);
705
706	#endif /* _REGFI_H */

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