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 151 2009-03-04 21:14:09Z 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 | |
---|
48 | #include "talloc.h" |
---|
49 | #include "smb_deps.h" |
---|
50 | #include "winsec.h" |
---|
51 | #include "void_stack.h" |
---|
52 | #include "range_list.h" |
---|
53 | #include "lru_cache.h" |
---|
54 | |
---|
55 | /******************************************************************************/ |
---|
56 | |
---|
57 | /* regfi library error message types */ |
---|
58 | #define REGFI_MSG_INFO 0x0001 |
---|
59 | #define REGFI_MSG_WARN 0x0004 |
---|
60 | #define REGFI_MSG_ERROR 0x0010 |
---|
61 | |
---|
62 | /* Windows is lame */ |
---|
63 | #ifdef O_BINARY |
---|
64 | #define REGFI_OPEN_FLAGS O_RDONLY|O_BINARY |
---|
65 | #else |
---|
66 | #define REGFI_OPEN_FLAGS O_RDONLY |
---|
67 | #endif |
---|
68 | |
---|
69 | /* Registry data types */ |
---|
70 | #define REG_NONE 0 |
---|
71 | #define REG_SZ 1 |
---|
72 | #define REG_EXPAND_SZ 2 |
---|
73 | #define REG_BINARY 3 |
---|
74 | #define REG_DWORD 4 |
---|
75 | #define REG_DWORD_LE 4 /* DWORD, little endian */ |
---|
76 | #define REG_DWORD_BE 5 /* DWORD, big endian */ |
---|
77 | #define REG_LINK 6 |
---|
78 | #define REG_MULTI_SZ 7 |
---|
79 | #define REG_RESOURCE_LIST 8 |
---|
80 | #define REG_FULL_RESOURCE_DESCRIPTOR 9 |
---|
81 | #define REG_RESOURCE_REQUIREMENTS_LIST 10 |
---|
82 | #define REG_QWORD 11 /* 64-bit little endian */ |
---|
83 | /* XXX: Has MS defined a REG_QWORD_BE? */ |
---|
84 | /* Not a real type in the registry */ |
---|
85 | #define REG_KEY 0x7FFFFFFF |
---|
86 | |
---|
87 | #define REGFI_MAX_DEPTH 512 |
---|
88 | #define REGFI_OFFSET_NONE 0xffffffff |
---|
89 | |
---|
90 | /* XXX: This is totally arbitrary right now. */ |
---|
91 | #define REGFI_MAX_SUBKEY_DEPTH 255 |
---|
92 | |
---|
93 | /* Header sizes and magic number lengths for various records */ |
---|
94 | #define REGFI_HBIN_ALLOC 0x1000 /* Minimum allocation unit for HBINs */ |
---|
95 | #define REGFI_REGF_SIZE 0x1000 /* "regf" header block size */ |
---|
96 | #define REGFI_REGF_MAGIC_SIZE 4 |
---|
97 | #define REGFI_REGF_NAME_SIZE 64 |
---|
98 | |
---|
99 | #define REGFI_REGF_RESERVED1_SIZE 340 |
---|
100 | #define REGFI_REGF_RESERVED2_SIZE 3528 |
---|
101 | |
---|
102 | #define REGFI_HBIN_MAGIC_SIZE 4 |
---|
103 | #define REGFI_CELL_MAGIC_SIZE 2 |
---|
104 | #define REGFI_HBIN_HEADER_SIZE 0x20 |
---|
105 | #define REGFI_NK_MIN_LENGTH 0x4C |
---|
106 | #define REGFI_VK_MIN_LENGTH 0x14 |
---|
107 | #define REGFI_SK_MIN_LENGTH 0x14 |
---|
108 | #define REGFI_SUBKEY_LIST_MIN_LEN 0x4 |
---|
109 | |
---|
110 | |
---|
111 | /* Constants used for validation */ |
---|
112 | /* XXX: Can we add clock resolution validation as well as range? It has |
---|
113 | * been reported that Windows timestamps are never more than a |
---|
114 | * certain granularity (250ms?), which could be used to help |
---|
115 | * eliminate false positives. Would need to verify this and |
---|
116 | * perhaps conservatively implement a check. |
---|
117 | */ |
---|
118 | /* Minimum time is Jan 1, 1990 00:00:00 */ |
---|
119 | #define REGFI_MTIME_MIN_HIGH 0x01B41E6D |
---|
120 | #define REGFI_MTIME_MIN_LOW 0x26F98000 |
---|
121 | /* Maximum time is Jan 1, 2290 00:00:00 |
---|
122 | * (We hope no one is using Windows by then...) |
---|
123 | */ |
---|
124 | #define REGFI_MTIME_MAX_HIGH 0x03047543 |
---|
125 | #define REGFI_MTIME_MAX_LOW 0xC80A4000 |
---|
126 | |
---|
127 | |
---|
128 | /* Flags for the vk records */ |
---|
129 | #define REGFI_VK_FLAG_NAME_PRESENT 0x0001 |
---|
130 | #define REGFI_VK_DATA_IN_OFFSET 0x80000000 |
---|
131 | #define REGFI_VK_MAX_DATA_LENGTH 1024*1024 |
---|
132 | |
---|
133 | |
---|
134 | /* NK record types */ |
---|
135 | /* XXX: This is starting to look like this is a flags field. |
---|
136 | * Need to decipher the meaning of each flag. |
---|
137 | */ |
---|
138 | #define REGFI_NK_TYPE_LINKKEY 0x0010 |
---|
139 | #define REGFI_NK_TYPE_NORMALKEY 0x0020 |
---|
140 | /* XXX: Unknown key type that shows up in Vista registries */ |
---|
141 | #define REGFI_NK_TYPE_UNKNOWN1 0x1020 |
---|
142 | /* XXX: Unknown key types that shows up in W2K3 registries */ |
---|
143 | #define REGFI_NK_TYPE_UNKNOWN2 0x4020 |
---|
144 | #define REGFI_NK_TYPE_UNKNOWN3 0x0000 /* XXX: This type seems to have UTF-16 names!!! */ |
---|
145 | #define REGFI_NK_TYPE_ROOTKEY1 0x002c |
---|
146 | /* XXX: Unknown root key type that shows up in Vista registries */ |
---|
147 | #define REGFI_NK_TYPE_ROOTKEY2 0x00ac |
---|
148 | |
---|
149 | #if 0 |
---|
150 | /* Initial hypothesis of NK flags: */ |
---|
151 | /***********************************/ |
---|
152 | #define REGFI_NK_FLAG_LINK 0x0010 |
---|
153 | /* The name will be in ASCII if this next bit is set, otherwise UTF-16LE */ |
---|
154 | #define REGFI_NK_FLAG_ASCIINAME 0x0020 |
---|
155 | /* These next two combine to form the "c" on both known root key types */ |
---|
156 | #define REGFI_NK_FLAG_ROOT1 0x0008 |
---|
157 | #define REGFI_NK_FLAG_ROOT2 0x0004 |
---|
158 | /* These next two show up on normal-seeming keys in Vista and W2K3 registries */ |
---|
159 | #define REGFI_NK_FLAG_UNKNOWN1 0x4000 |
---|
160 | #define REGFI_NK_FLAG_UNKNOWN2 0x1000 |
---|
161 | /* This next one shows up on root keys in some Vista "software" registries */ |
---|
162 | #define REGFI_NK_FLAG_UNKNOWN3 0x0080 |
---|
163 | #endif |
---|
164 | |
---|
165 | |
---|
166 | /* HBIN block */ |
---|
167 | typedef struct _regfi_hbin |
---|
168 | { |
---|
169 | uint32 file_off; /* my offset in the registry file */ |
---|
170 | uint32 ref_count; /* how many active records are pointing to this |
---|
171 | * block (not used currently) |
---|
172 | */ |
---|
173 | |
---|
174 | uint32 first_hbin_off; /* offset from first hbin block */ |
---|
175 | uint32 block_size; /* block size of this block |
---|
176 | * Should be a multiple of 4096 (0x1000) |
---|
177 | */ |
---|
178 | uint32 next_block; /* relative offset to next block. |
---|
179 | * NOTE: This value may be unreliable! |
---|
180 | */ |
---|
181 | |
---|
182 | uint8 magic[REGFI_HBIN_MAGIC_SIZE]; /* "hbin" */ |
---|
183 | } REGFI_HBIN; |
---|
184 | |
---|
185 | |
---|
186 | /* Subkey List -- list of key offsets and hashed names for consistency */ |
---|
187 | typedef struct |
---|
188 | { |
---|
189 | /* Virtual offset of NK record or additional subkey list, |
---|
190 | * depending on this list's type. |
---|
191 | */ |
---|
192 | uint32 offset; |
---|
193 | |
---|
194 | uint32 hash; |
---|
195 | } REGFI_SUBKEY_LIST_ELEM; |
---|
196 | |
---|
197 | |
---|
198 | typedef struct _regfi_subkey_list |
---|
199 | { |
---|
200 | /* Real offset of this record's cell in the file */ |
---|
201 | uint32 offset; |
---|
202 | |
---|
203 | uint32 cell_size; |
---|
204 | |
---|
205 | /* Number of immediate children */ |
---|
206 | uint32 num_children; |
---|
207 | |
---|
208 | /* Total number of keys referenced by this list and it's children */ |
---|
209 | uint32 num_keys; |
---|
210 | |
---|
211 | REGFI_SUBKEY_LIST_ELEM* elements; |
---|
212 | uint8 magic[REGFI_CELL_MAGIC_SIZE]; |
---|
213 | |
---|
214 | /* Set if the magic indicates this subkey list points to child subkey lists */ |
---|
215 | bool recursive_type; |
---|
216 | } REGFI_SUBKEY_LIST; |
---|
217 | |
---|
218 | |
---|
219 | typedef uint32 REGFI_VALUE_LIST_ELEM; |
---|
220 | typedef struct _regfi_value_list |
---|
221 | { |
---|
222 | /* Actual number of values referenced by this list. |
---|
223 | * May differ from parent key's num_values if there were parsing errors. |
---|
224 | */ |
---|
225 | uint32 num_values; |
---|
226 | |
---|
227 | REGFI_VALUE_LIST_ELEM* elements; |
---|
228 | } REGFI_VALUE_LIST; |
---|
229 | |
---|
230 | |
---|
231 | /* Value record */ |
---|
232 | typedef struct |
---|
233 | { |
---|
234 | uint32 offset; /* Real offset of this record's cell in the file */ |
---|
235 | uint32 cell_size; /* ((start_offset - end_offset) & 0xfffffff8) */ |
---|
236 | |
---|
237 | uint8* data; |
---|
238 | char* valuename; |
---|
239 | uint16 name_length; |
---|
240 | uint32 hbin_off; /* offset from beginning of this hbin block */ |
---|
241 | |
---|
242 | uint32 data_size; |
---|
243 | uint32 data_off; /* offset of data cell (virtual) */ |
---|
244 | uint32 type; |
---|
245 | uint8 magic[REGFI_CELL_MAGIC_SIZE]; |
---|
246 | uint16 flag; |
---|
247 | uint16 unknown1; |
---|
248 | bool data_in_offset; |
---|
249 | } REGFI_VK_REC; |
---|
250 | |
---|
251 | |
---|
252 | /* Key Security */ |
---|
253 | struct _regfi_sk_rec; |
---|
254 | |
---|
255 | typedef struct _regfi_sk_rec |
---|
256 | { |
---|
257 | uint32 offset; /* Real file offset of this record */ |
---|
258 | uint32 cell_size; /* ((start_offset - end_offset) & 0xfffffff8) */ |
---|
259 | |
---|
260 | WINSEC_DESC* sec_desc; |
---|
261 | uint32 hbin_off; /* offset from beginning of this hbin block */ |
---|
262 | |
---|
263 | uint32 prev_sk_off; |
---|
264 | uint32 next_sk_off; |
---|
265 | uint32 ref_count; |
---|
266 | uint32 desc_size; /* size of security descriptor */ |
---|
267 | uint16 unknown_tag; |
---|
268 | uint8 magic[REGFI_CELL_MAGIC_SIZE]; |
---|
269 | } REGFI_SK_REC; |
---|
270 | |
---|
271 | |
---|
272 | /* Key Name */ |
---|
273 | typedef struct |
---|
274 | { |
---|
275 | uint32 offset; /* Real offset of this record's cell in the file */ |
---|
276 | uint32 cell_size; /* Actual or estimated length of the cell. |
---|
277 | * Always in multiples of 8. |
---|
278 | */ |
---|
279 | |
---|
280 | /* link in the other records here */ |
---|
281 | REGFI_VALUE_LIST* values; |
---|
282 | REGFI_SUBKEY_LIST* subkeys; |
---|
283 | |
---|
284 | /* header information */ |
---|
285 | uint16 key_type; |
---|
286 | uint8 magic[REGFI_CELL_MAGIC_SIZE]; |
---|
287 | NTTIME mtime; |
---|
288 | uint16 name_length; |
---|
289 | uint16 classname_length; |
---|
290 | char* classname; |
---|
291 | char* keyname; |
---|
292 | uint32 parent_off; /* pointer to parent key */ |
---|
293 | uint32 classname_off; |
---|
294 | |
---|
295 | /* max lengths */ |
---|
296 | uint32 max_bytes_subkeyname; /* max subkey name * 2 */ |
---|
297 | uint32 max_bytes_subkeyclassname; /* max subkey classname length (as if) */ |
---|
298 | uint32 max_bytes_valuename; /* max valuename * 2 */ |
---|
299 | uint32 max_bytes_value; /* max value data size */ |
---|
300 | |
---|
301 | /* unknowns */ |
---|
302 | uint32 unknown1; |
---|
303 | uint32 unknown2; |
---|
304 | uint32 unknown3; |
---|
305 | uint32 unk_index; /* nigel says run time index ? */ |
---|
306 | |
---|
307 | /* children */ |
---|
308 | uint32 num_subkeys; |
---|
309 | uint32 subkeys_off; /* offset of subkey list that points to NK records */ |
---|
310 | uint32 num_values; |
---|
311 | uint32 values_off; /* value lists which point to VK records */ |
---|
312 | uint32 sk_off; /* offset to SK record */ |
---|
313 | } REGFI_NK_REC; |
---|
314 | |
---|
315 | |
---|
316 | |
---|
317 | /* REGF block */ |
---|
318 | typedef struct |
---|
319 | { |
---|
320 | /* Run-time information */ |
---|
321 | /************************/ |
---|
322 | /* file descriptor */ |
---|
323 | int fd; |
---|
324 | |
---|
325 | /* For sanity checking (not part of the registry header) */ |
---|
326 | uint32 file_length; |
---|
327 | |
---|
328 | /* Metadata about hbins */ |
---|
329 | range_list* hbins; |
---|
330 | |
---|
331 | /* SK record cached since they're repeatedly reused */ |
---|
332 | lru_cache* sk_cache; |
---|
333 | |
---|
334 | /* Error/warning/info messages returned by lower layer functions */ |
---|
335 | char* last_message; |
---|
336 | |
---|
337 | /* Mask for error message types that will be stored. */ |
---|
338 | uint16 msg_mask; |
---|
339 | |
---|
340 | |
---|
341 | /* Data parsed from file header */ |
---|
342 | /********************************/ |
---|
343 | uint8 magic[REGFI_REGF_MAGIC_SIZE];/* "regf" */ |
---|
344 | |
---|
345 | /* These sequence numbers should match if |
---|
346 | * the hive was properly synced to disk. |
---|
347 | */ |
---|
348 | uint32 sequence1; |
---|
349 | uint32 sequence2; |
---|
350 | |
---|
351 | NTTIME mtime; |
---|
352 | uint32 major_version; /* XXX: Unverified. Set to 1 in all known hives */ |
---|
353 | uint32 minor_version; /* XXX: Unverified. Set to 3 or 5 in all known hives */ |
---|
354 | uint32 type; /* XXX: Unverified. Set to 0 in all known hives */ |
---|
355 | uint32 format; /* XXX: Unverified. Set to 1 in all known hives */ |
---|
356 | |
---|
357 | uint32 root_cell; /* Offset to root cell in the first (or any?) hbin block */ |
---|
358 | uint32 last_block; /* Offset to last hbin block in file |
---|
359 | * (or length of file minus header?) */ |
---|
360 | |
---|
361 | uint32 cluster; /* XXX: Unverified. Set to 1 in all known hives */ |
---|
362 | |
---|
363 | /* Matches hive's base file name. Stored in UTF-16LE */ |
---|
364 | uint8 file_name[REGFI_REGF_NAME_SIZE]; |
---|
365 | |
---|
366 | WINSEC_UUID* rm_id; /* XXX: Unverified. */ |
---|
367 | WINSEC_UUID* log_id; /* XXX: Unverified. */ |
---|
368 | WINSEC_UUID* tm_id; /* XXX: Unverified. */ |
---|
369 | uint32 flags; /* XXX: Unverified. */ |
---|
370 | uint32 guid_signature; /* XXX: Unverified. */ |
---|
371 | |
---|
372 | uint32 checksum; /* Stored checksum from file */ |
---|
373 | uint32 computed_checksum; /* Our own calculation of the checksum. |
---|
374 | * (XOR of bytes 0x0000 - 0x01FB) */ |
---|
375 | |
---|
376 | WINSEC_UUID* thaw_tm_id; /* XXX: Unverified. */ |
---|
377 | WINSEC_UUID* thaw_rm_id; /* XXX: Unverified. */ |
---|
378 | WINSEC_UUID* thaw_log_id; /* XXX: Unverified. */ |
---|
379 | uint32 boot_type; /* XXX: Unverified. */ |
---|
380 | uint32 boot_recover; /* XXX: Unverified. */ |
---|
381 | |
---|
382 | /* This seems to include random junk. Possibly unsanitized memory left over |
---|
383 | * from when header block was written. For instance, chunks of nk records |
---|
384 | * can be found, though often it's all 0s. */ |
---|
385 | uint8 reserved1[REGFI_REGF_RESERVED1_SIZE]; |
---|
386 | |
---|
387 | /* This is likely reserved and unusued currently. (Should be all 0s.) |
---|
388 | * Included here for easier access in looking for hidden data |
---|
389 | * or doing research. */ |
---|
390 | uint8 reserved2[REGFI_REGF_RESERVED2_SIZE]; |
---|
391 | |
---|
392 | } REGFI_FILE; |
---|
393 | |
---|
394 | |
---|
395 | /* XXX: Should move all caching (SK records, HBINs, NKs, etc) to a single |
---|
396 | * structure, probably REGFI_FILE. Once key caching is in place, |
---|
397 | * convert key_positions stack to store just key offsets rather than |
---|
398 | * whole keys. |
---|
399 | */ |
---|
400 | typedef struct _regfi_iterator |
---|
401 | { |
---|
402 | REGFI_FILE* f; |
---|
403 | void_stack* key_positions; |
---|
404 | REGFI_NK_REC* cur_key; |
---|
405 | uint32 cur_subkey; |
---|
406 | uint32 cur_value; |
---|
407 | } REGFI_ITERATOR; |
---|
408 | |
---|
409 | |
---|
410 | typedef struct _regfi_iter_position |
---|
411 | { |
---|
412 | REGFI_NK_REC* nk; |
---|
413 | uint32 cur_subkey; |
---|
414 | /* We could store a cur_value here as well, but didn't see |
---|
415 | * the use in it right now. |
---|
416 | */ |
---|
417 | } REGFI_ITER_POSITION; |
---|
418 | |
---|
419 | |
---|
420 | typedef struct _regfi_buffer |
---|
421 | { |
---|
422 | uint8* buf; |
---|
423 | uint32_t len; |
---|
424 | } REGFI_BUFFER; |
---|
425 | |
---|
426 | |
---|
427 | /******************************************************************************/ |
---|
428 | /* Main iterator API */ |
---|
429 | /******************************************************************************/ |
---|
430 | REGFI_FILE* regfi_open(const char* filename); |
---|
431 | int regfi_close(REGFI_FILE* r); |
---|
432 | |
---|
433 | /* regfi_get_messages: Get errors, warnings, and/or verbose information |
---|
434 | * relating to processing of the given registry file. |
---|
435 | * |
---|
436 | * Arguments: |
---|
437 | * file -- the structure for the registry file |
---|
438 | * |
---|
439 | * Returns: |
---|
440 | * A newly allocated char* which must be free()d by the caller. |
---|
441 | */ |
---|
442 | char* regfi_get_messages(REGFI_FILE* file); |
---|
443 | void regfi_set_message_mask(REGFI_FILE* file, uint16 mask); |
---|
444 | |
---|
445 | REGFI_ITERATOR* regfi_iterator_new(REGFI_FILE* fh); |
---|
446 | void regfi_iterator_free(REGFI_ITERATOR* i); |
---|
447 | bool regfi_iterator_down(REGFI_ITERATOR* i); |
---|
448 | bool regfi_iterator_up(REGFI_ITERATOR* i); |
---|
449 | bool regfi_iterator_to_root(REGFI_ITERATOR* i); |
---|
450 | |
---|
451 | bool regfi_iterator_find_subkey(REGFI_ITERATOR* i, |
---|
452 | const char* subkey_name); |
---|
453 | bool regfi_iterator_walk_path(REGFI_ITERATOR* i, |
---|
454 | const char** path); |
---|
455 | const REGFI_NK_REC* regfi_iterator_cur_key(REGFI_ITERATOR* i); |
---|
456 | const REGFI_SK_REC* regfi_iterator_cur_sk(REGFI_ITERATOR* i); |
---|
457 | |
---|
458 | REGFI_NK_REC* regfi_iterator_first_subkey(REGFI_ITERATOR* i); |
---|
459 | REGFI_NK_REC* regfi_iterator_cur_subkey(REGFI_ITERATOR* i); |
---|
460 | REGFI_NK_REC* regfi_iterator_next_subkey(REGFI_ITERATOR* i); |
---|
461 | |
---|
462 | bool regfi_iterator_find_value(REGFI_ITERATOR* i, |
---|
463 | const char* value_name); |
---|
464 | REGFI_VK_REC* regfi_iterator_first_value(REGFI_ITERATOR* i); |
---|
465 | REGFI_VK_REC* regfi_iterator_cur_value(REGFI_ITERATOR* i); |
---|
466 | REGFI_VK_REC* regfi_iterator_next_value(REGFI_ITERATOR* i); |
---|
467 | |
---|
468 | |
---|
469 | /********************************************************/ |
---|
470 | /* Middle-layer structure loading, linking, and caching */ |
---|
471 | /********************************************************/ |
---|
472 | REGFI_NK_REC* regfi_load_key(REGFI_FILE* file, uint32 offset, |
---|
473 | bool strict); |
---|
474 | REGFI_VK_REC* regfi_load_value(REGFI_FILE* file, uint32 offset, |
---|
475 | bool strict); |
---|
476 | REGFI_SUBKEY_LIST* regfi_load_subkeylist(REGFI_FILE* file, uint32 offset, |
---|
477 | uint32 num_keys, uint32 max_size, |
---|
478 | bool strict); |
---|
479 | REGFI_VALUE_LIST* regfi_load_valuelist(REGFI_FILE* file, uint32 offset, |
---|
480 | uint32 num_values, uint32 max_size, |
---|
481 | bool strict); |
---|
482 | |
---|
483 | /* These are cached so return values don't need to be freed. */ |
---|
484 | const REGFI_SK_REC* regfi_load_sk(REGFI_FILE* file, uint32 offset, |
---|
485 | bool strict); |
---|
486 | const REGFI_HBIN* regfi_lookup_hbin(REGFI_FILE* file, uint32 voffset); |
---|
487 | |
---|
488 | |
---|
489 | |
---|
490 | /************************************/ |
---|
491 | /* Low-layer data structure access */ |
---|
492 | /************************************/ |
---|
493 | REGFI_FILE* regfi_parse_regf(int fd, bool strict); |
---|
494 | REGFI_HBIN* regfi_parse_hbin(REGFI_FILE* file, uint32 offset, |
---|
495 | bool strict); |
---|
496 | |
---|
497 | |
---|
498 | /* regfi_parse_nk: Parses an NK record. |
---|
499 | * |
---|
500 | * Arguments: |
---|
501 | * f -- the registry file structure |
---|
502 | * offset -- the offset of the cell (not the record) to be parsed. |
---|
503 | * max_size -- the maximum size the NK cell could be. (for validation) |
---|
504 | * strict -- if true, rejects any malformed records. Otherwise, |
---|
505 | * tries to minimally validate integrity. |
---|
506 | * Returns: |
---|
507 | * A newly allocated NK record structure, or NULL on failure. |
---|
508 | */ |
---|
509 | REGFI_NK_REC* regfi_parse_nk(REGFI_FILE* file, uint32 offset, |
---|
510 | uint32 max_size, bool strict); |
---|
511 | |
---|
512 | REGFI_SUBKEY_LIST* regfi_parse_subkeylist(REGFI_FILE* file, uint32 offset, |
---|
513 | uint32 max_size, bool strict); |
---|
514 | |
---|
515 | REGFI_VK_REC* regfi_parse_vk(REGFI_FILE* file, uint32 offset, |
---|
516 | uint32 max_size, bool strict); |
---|
517 | |
---|
518 | REGFI_BUFFER regfi_parse_data(REGFI_FILE* file, |
---|
519 | uint32 data_type, uint32 offset, |
---|
520 | uint32 length, uint32 max_size, |
---|
521 | bool data_in_offset, bool strict); |
---|
522 | |
---|
523 | REGFI_SK_REC* regfi_parse_sk(REGFI_FILE* file, uint32 offset, |
---|
524 | uint32 max_size, bool strict); |
---|
525 | |
---|
526 | range_list* regfi_parse_unalloc_cells(REGFI_FILE* file); |
---|
527 | |
---|
528 | bool regfi_parse_cell(int fd, uint32 offset, |
---|
529 | uint8* hdr, uint32 hdr_len, |
---|
530 | uint32* cell_length, bool* unalloc); |
---|
531 | |
---|
532 | char* regfi_parse_classname(REGFI_FILE* file, uint32 offset, |
---|
533 | uint16* name_length, |
---|
534 | uint32 max_size, bool strict); |
---|
535 | |
---|
536 | /* Dispose of previously parsed records */ |
---|
537 | void regfi_free_key(REGFI_NK_REC* nk); |
---|
538 | void regfi_free_value(REGFI_VK_REC* vk); |
---|
539 | |
---|
540 | |
---|
541 | |
---|
542 | /************************************/ |
---|
543 | /* Private Functions */ |
---|
544 | /************************************/ |
---|
545 | REGFI_NK_REC* regfi_rootkey(REGFI_FILE* file); |
---|
546 | void regfi_subkeylist_free(REGFI_SUBKEY_LIST* list); |
---|
547 | uint32 regfi_read(int fd, uint8* buf, uint32* length); |
---|
548 | |
---|
549 | const char* regfi_type_val2str(unsigned int val); |
---|
550 | int regfi_type_str2val(const char* str); |
---|
551 | |
---|
552 | char* regfi_get_sacl(WINSEC_DESC* sec_desc); |
---|
553 | char* regfi_get_dacl(WINSEC_DESC* sec_desc); |
---|
554 | char* regfi_get_owner(WINSEC_DESC* sec_desc); |
---|
555 | char* regfi_get_group(WINSEC_DESC* sec_desc); |
---|
556 | |
---|
557 | REGFI_SUBKEY_LIST* regfi_merge_subkeylists(uint16 num_lists, |
---|
558 | REGFI_SUBKEY_LIST** lists, |
---|
559 | bool strict); |
---|
560 | REGFI_SUBKEY_LIST* regfi_load_subkeylist_aux(REGFI_FILE* file, uint32 offset, |
---|
561 | uint32 max_size, bool strict, |
---|
562 | uint8 depth_left); |
---|
563 | void regfi_add_message(REGFI_FILE* file, uint16 msg_type, |
---|
564 | const char* fmt, ...); |
---|
565 | REGFI_NK_REC* regfi_copy_nk(const REGFI_NK_REC* nk); |
---|
566 | REGFI_VK_REC* regfi_copy_vk(const REGFI_VK_REC* vk); |
---|
567 | |
---|
568 | #endif /* _REGFI_H */ |
---|