/src/libvhdi/libvhdi/libvhdi_file.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * File functions |
3 | | * |
4 | | * Copyright (C) 2012-2023, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <memory.h> |
24 | | #include <narrow_string.h> |
25 | | #include <types.h> |
26 | | #include <wide_string.h> |
27 | | |
28 | | #include "libvhdi_block_allocation_table.h" |
29 | | #include "libvhdi_block_descriptor.h" |
30 | | #include "libvhdi_debug.h" |
31 | | #include "libvhdi_definitions.h" |
32 | | #include "libvhdi_file.h" |
33 | | #include "libvhdi_file_footer.h" |
34 | | #include "libvhdi_file_information.h" |
35 | | #include "libvhdi_i18n.h" |
36 | | #include "libvhdi_image_header.h" |
37 | | #include "libvhdi_io_handle.h" |
38 | | #include "libvhdi_libbfio.h" |
39 | | #include "libvhdi_libcerror.h" |
40 | | #include "libvhdi_libcnotify.h" |
41 | | #include "libvhdi_libcthreads.h" |
42 | | #include "libvhdi_libfcache.h" |
43 | | #include "libvhdi_libfdata.h" |
44 | | #include "libvhdi_metadata_values.h" |
45 | | #include "libvhdi_region_table.h" |
46 | | #include "libvhdi_region_type_identifier.h" |
47 | | #include "libvhdi_sector_range_descriptor.h" |
48 | | |
49 | | /* Creates a file |
50 | | * Make sure the value file is referencing, is set to NULL |
51 | | * Returns 1 if successful or -1 on error |
52 | | */ |
53 | | int libvhdi_file_initialize( |
54 | | libvhdi_file_t **file, |
55 | | libcerror_error_t **error ) |
56 | 1.48k | { |
57 | 1.48k | libvhdi_internal_file_t *internal_file = NULL; |
58 | 1.48k | static char *function = "libvhdi_file_initialize"; |
59 | | |
60 | 1.48k | if( file == NULL ) |
61 | 0 | { |
62 | 0 | libcerror_error_set( |
63 | 0 | error, |
64 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
65 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
66 | 0 | "%s: invalid file.", |
67 | 0 | function ); |
68 | |
|
69 | 0 | return( -1 ); |
70 | 0 | } |
71 | 1.48k | if( *file != NULL ) |
72 | 0 | { |
73 | 0 | libcerror_error_set( |
74 | 0 | error, |
75 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
76 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
77 | 0 | "%s: invalid file value already set.", |
78 | 0 | function ); |
79 | |
|
80 | 0 | return( -1 ); |
81 | 0 | } |
82 | 1.48k | internal_file = memory_allocate_structure( |
83 | 1.48k | libvhdi_internal_file_t ); |
84 | | |
85 | 1.48k | if( internal_file == NULL ) |
86 | 0 | { |
87 | 0 | libcerror_error_set( |
88 | 0 | error, |
89 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
90 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
91 | 0 | "%s: unable to create file.", |
92 | 0 | function ); |
93 | |
|
94 | 0 | goto on_error; |
95 | 0 | } |
96 | 1.48k | if( memory_set( |
97 | 1.48k | internal_file, |
98 | 1.48k | 0, |
99 | 1.48k | sizeof( libvhdi_internal_file_t ) ) == NULL ) |
100 | 0 | { |
101 | 0 | libcerror_error_set( |
102 | 0 | error, |
103 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
104 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
105 | 0 | "%s: unable to clear file.", |
106 | 0 | function ); |
107 | |
|
108 | 0 | memory_free( |
109 | 0 | internal_file ); |
110 | |
|
111 | 0 | return( -1 ); |
112 | 0 | } |
113 | 1.48k | if( libvhdi_io_handle_initialize( |
114 | 1.48k | &( internal_file->io_handle ), |
115 | 1.48k | error ) != 1 ) |
116 | 0 | { |
117 | 0 | libcerror_error_set( |
118 | 0 | error, |
119 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
120 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
121 | 0 | "%s: unable to create IO handle.", |
122 | 0 | function ); |
123 | |
|
124 | 0 | goto on_error; |
125 | 0 | } |
126 | 1.48k | if( libvhdi_i18n_initialize( |
127 | 1.48k | error ) != 1 ) |
128 | 0 | { |
129 | 0 | libcerror_error_set( |
130 | 0 | error, |
131 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
132 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
133 | 0 | "%s: unable to initalize internationalization (i18n).", |
134 | 0 | function ); |
135 | |
|
136 | 0 | goto on_error; |
137 | 0 | } |
138 | 1.48k | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
139 | 1.48k | if( libcthreads_read_write_lock_initialize( |
140 | 1.48k | &( internal_file->read_write_lock ), |
141 | 1.48k | error ) != 1 ) |
142 | 0 | { |
143 | 0 | libcerror_error_set( |
144 | 0 | error, |
145 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
146 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
147 | 0 | "%s: unable to initialize read/write lock.", |
148 | 0 | function ); |
149 | |
|
150 | 0 | goto on_error; |
151 | 0 | } |
152 | 1.48k | #endif |
153 | 1.48k | *file = (libvhdi_file_t *) internal_file; |
154 | | |
155 | 1.48k | return( 1 ); |
156 | | |
157 | 0 | on_error: |
158 | 0 | if( internal_file != NULL ) |
159 | 0 | { |
160 | 0 | if( internal_file->io_handle != NULL ) |
161 | 0 | { |
162 | 0 | libvhdi_io_handle_free( |
163 | 0 | &( internal_file->io_handle ), |
164 | 0 | NULL ); |
165 | 0 | } |
166 | 0 | memory_free( |
167 | 0 | internal_file ); |
168 | 0 | } |
169 | 0 | return( -1 ); |
170 | 1.48k | } |
171 | | |
172 | | /* Frees a file |
173 | | * Returns 1 if successful or -1 on error |
174 | | */ |
175 | | int libvhdi_file_free( |
176 | | libvhdi_file_t **file, |
177 | | libcerror_error_t **error ) |
178 | 1.48k | { |
179 | 1.48k | libvhdi_internal_file_t *internal_file = NULL; |
180 | 1.48k | static char *function = "libvhdi_file_free"; |
181 | 1.48k | int result = 1; |
182 | | |
183 | 1.48k | if( file == NULL ) |
184 | 0 | { |
185 | 0 | libcerror_error_set( |
186 | 0 | error, |
187 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
188 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
189 | 0 | "%s: invalid file.", |
190 | 0 | function ); |
191 | |
|
192 | 0 | return( -1 ); |
193 | 0 | } |
194 | 1.48k | if( *file != NULL ) |
195 | 1.48k | { |
196 | 1.48k | internal_file = (libvhdi_internal_file_t *) *file; |
197 | | |
198 | 1.48k | if( internal_file->file_io_handle != NULL ) |
199 | 0 | { |
200 | 0 | if( libvhdi_file_close( |
201 | 0 | *file, |
202 | 0 | error ) != 0 ) |
203 | 0 | { |
204 | 0 | libcerror_error_set( |
205 | 0 | error, |
206 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
207 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
208 | 0 | "%s: unable to close file.", |
209 | 0 | function ); |
210 | |
|
211 | 0 | result = -1; |
212 | 0 | } |
213 | 0 | } |
214 | 1.48k | *file = NULL; |
215 | | |
216 | 1.48k | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
217 | 1.48k | if( libcthreads_read_write_lock_free( |
218 | 1.48k | &( internal_file->read_write_lock ), |
219 | 1.48k | error ) != 1 ) |
220 | 0 | { |
221 | 0 | libcerror_error_set( |
222 | 0 | error, |
223 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
224 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
225 | 0 | "%s: unable to free read/write lock.", |
226 | 0 | function ); |
227 | |
|
228 | 0 | result = -1; |
229 | 0 | } |
230 | 1.48k | #endif |
231 | 1.48k | if( libvhdi_io_handle_free( |
232 | 1.48k | &( internal_file->io_handle ), |
233 | 1.48k | error ) != 1 ) |
234 | 0 | { |
235 | 0 | libcerror_error_set( |
236 | 0 | error, |
237 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
238 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
239 | 0 | "%s: unable to free IO handle.", |
240 | 0 | function ); |
241 | |
|
242 | 0 | result = -1; |
243 | 0 | } |
244 | 1.48k | memory_free( |
245 | 1.48k | internal_file ); |
246 | 1.48k | } |
247 | 1.48k | return( result ); |
248 | 1.48k | } |
249 | | |
250 | | /* Signals a file to abort its current activity |
251 | | * Returns 1 if successful or -1 on error |
252 | | */ |
253 | | int libvhdi_file_signal_abort( |
254 | | libvhdi_file_t *file, |
255 | | libcerror_error_t **error ) |
256 | 0 | { |
257 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
258 | 0 | static char *function = "libvhdi_file_signal_abort"; |
259 | |
|
260 | 0 | if( file == NULL ) |
261 | 0 | { |
262 | 0 | libcerror_error_set( |
263 | 0 | error, |
264 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
265 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
266 | 0 | "%s: invalid file.", |
267 | 0 | function ); |
268 | |
|
269 | 0 | return( -1 ); |
270 | 0 | } |
271 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
272 | |
|
273 | 0 | if( internal_file->io_handle == NULL ) |
274 | 0 | { |
275 | 0 | libcerror_error_set( |
276 | 0 | error, |
277 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
278 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
279 | 0 | "%s: invalid file - missing IO handle.", |
280 | 0 | function ); |
281 | |
|
282 | 0 | return( -1 ); |
283 | 0 | } |
284 | 0 | internal_file->io_handle->abort = 1; |
285 | |
|
286 | 0 | return( 1 ); |
287 | 0 | } |
288 | | |
289 | | /* Opens a file |
290 | | * Returns 1 if successful or -1 on error |
291 | | */ |
292 | | int libvhdi_file_open( |
293 | | libvhdi_file_t *file, |
294 | | const char *filename, |
295 | | int access_flags, |
296 | | libcerror_error_t **error ) |
297 | 0 | { |
298 | 0 | libbfio_handle_t *file_io_handle = NULL; |
299 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
300 | 0 | static char *function = "libvhdi_file_open"; |
301 | 0 | size_t filename_length = 0; |
302 | |
|
303 | 0 | if( file == NULL ) |
304 | 0 | { |
305 | 0 | libcerror_error_set( |
306 | 0 | error, |
307 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
308 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
309 | 0 | "%s: invalid file.", |
310 | 0 | function ); |
311 | |
|
312 | 0 | return( -1 ); |
313 | 0 | } |
314 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
315 | |
|
316 | 0 | if( filename == NULL ) |
317 | 0 | { |
318 | 0 | libcerror_error_set( |
319 | 0 | error, |
320 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
321 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
322 | 0 | "%s: invalid filename.", |
323 | 0 | function ); |
324 | |
|
325 | 0 | return( -1 ); |
326 | 0 | } |
327 | 0 | if( ( ( access_flags & LIBVHDI_ACCESS_FLAG_READ ) == 0 ) |
328 | 0 | && ( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) == 0 ) ) |
329 | 0 | { |
330 | 0 | libcerror_error_set( |
331 | 0 | error, |
332 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
333 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
334 | 0 | "%s: unsupported access flags.", |
335 | 0 | function ); |
336 | |
|
337 | 0 | return( -1 ); |
338 | 0 | } |
339 | 0 | if( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) != 0 ) |
340 | 0 | { |
341 | 0 | libcerror_error_set( |
342 | 0 | error, |
343 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
344 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
345 | 0 | "%s: write access currently not supported.", |
346 | 0 | function ); |
347 | |
|
348 | 0 | return( -1 ); |
349 | 0 | } |
350 | 0 | if( libbfio_file_initialize( |
351 | 0 | &file_io_handle, |
352 | 0 | error ) != 1 ) |
353 | 0 | { |
354 | 0 | libcerror_error_set( |
355 | 0 | error, |
356 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
357 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
358 | 0 | "%s: unable to create file IO handle.", |
359 | 0 | function ); |
360 | |
|
361 | 0 | goto on_error; |
362 | 0 | } |
363 | | #if defined( HAVE_DEBUG_OUTPUT ) |
364 | | if( libbfio_handle_set_track_offsets_read( |
365 | | file_io_handle, |
366 | | 1, |
367 | | error ) != 1 ) |
368 | | { |
369 | | libcerror_error_set( |
370 | | error, |
371 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
372 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
373 | | "%s: unable to set track offsets read in file IO handle.", |
374 | | function ); |
375 | | |
376 | | goto on_error; |
377 | | } |
378 | | #endif |
379 | 0 | filename_length = narrow_string_length( |
380 | 0 | filename ); |
381 | |
|
382 | 0 | if( libbfio_file_set_name( |
383 | 0 | file_io_handle, |
384 | 0 | filename, |
385 | 0 | filename_length + 1, |
386 | 0 | error ) != 1 ) |
387 | 0 | { |
388 | 0 | libcerror_error_set( |
389 | 0 | error, |
390 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
391 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
392 | 0 | "%s: unable to set filename in file IO handle.", |
393 | 0 | function ); |
394 | |
|
395 | 0 | goto on_error; |
396 | 0 | } |
397 | 0 | if( libvhdi_file_open_file_io_handle( |
398 | 0 | file, |
399 | 0 | file_io_handle, |
400 | 0 | access_flags, |
401 | 0 | error ) != 1 ) |
402 | 0 | { |
403 | 0 | libcerror_error_set( |
404 | 0 | error, |
405 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
406 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
407 | 0 | "%s: unable to open file: %s.", |
408 | 0 | function, |
409 | 0 | filename ); |
410 | |
|
411 | 0 | goto on_error; |
412 | 0 | } |
413 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
414 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
415 | 0 | internal_file->read_write_lock, |
416 | 0 | error ) != 1 ) |
417 | 0 | { |
418 | 0 | libcerror_error_set( |
419 | 0 | error, |
420 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
421 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
422 | 0 | "%s: unable to grab read/write lock for writing.", |
423 | 0 | function ); |
424 | |
|
425 | 0 | return( -1 ); |
426 | 0 | } |
427 | 0 | #endif |
428 | 0 | internal_file->file_io_handle_created_in_library = 1; |
429 | |
|
430 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
431 | 0 | if( libcthreads_read_write_lock_release_for_write( |
432 | 0 | internal_file->read_write_lock, |
433 | 0 | error ) != 1 ) |
434 | 0 | { |
435 | 0 | libcerror_error_set( |
436 | 0 | error, |
437 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
438 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
439 | 0 | "%s: unable to release read/write lock for writing.", |
440 | 0 | function ); |
441 | |
|
442 | 0 | return( -1 ); |
443 | 0 | } |
444 | 0 | #endif |
445 | 0 | return( 1 ); |
446 | | |
447 | 0 | on_error: |
448 | 0 | if( file_io_handle != NULL ) |
449 | 0 | { |
450 | 0 | libbfio_handle_free( |
451 | 0 | &file_io_handle, |
452 | 0 | NULL ); |
453 | 0 | } |
454 | 0 | return( -1 ); |
455 | 0 | } |
456 | | |
457 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
458 | | |
459 | | /* Opens a file |
460 | | * Returns 1 if successful or -1 on error |
461 | | */ |
462 | | int libvhdi_file_open_wide( |
463 | | libvhdi_file_t *file, |
464 | | const wchar_t *filename, |
465 | | int access_flags, |
466 | | libcerror_error_t **error ) |
467 | | { |
468 | | libbfio_handle_t *file_io_handle = NULL; |
469 | | libvhdi_internal_file_t *internal_file = NULL; |
470 | | static char *function = "libvhdi_file_open_wide"; |
471 | | size_t filename_length = 0; |
472 | | |
473 | | if( file == NULL ) |
474 | | { |
475 | | libcerror_error_set( |
476 | | error, |
477 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
478 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
479 | | "%s: invalid file.", |
480 | | function ); |
481 | | |
482 | | return( -1 ); |
483 | | } |
484 | | internal_file = (libvhdi_internal_file_t *) file; |
485 | | |
486 | | if( filename == NULL ) |
487 | | { |
488 | | libcerror_error_set( |
489 | | error, |
490 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
491 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
492 | | "%s: invalid filename.", |
493 | | function ); |
494 | | |
495 | | return( -1 ); |
496 | | } |
497 | | if( ( ( access_flags & LIBVHDI_ACCESS_FLAG_READ ) == 0 ) |
498 | | && ( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) == 0 ) ) |
499 | | { |
500 | | libcerror_error_set( |
501 | | error, |
502 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
503 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
504 | | "%s: unsupported access flags.", |
505 | | function ); |
506 | | |
507 | | return( -1 ); |
508 | | } |
509 | | if( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) != 0 ) |
510 | | { |
511 | | libcerror_error_set( |
512 | | error, |
513 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
514 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
515 | | "%s: write access currently not supported.", |
516 | | function ); |
517 | | |
518 | | return( -1 ); |
519 | | } |
520 | | if( libbfio_file_initialize( |
521 | | &file_io_handle, |
522 | | error ) != 1 ) |
523 | | { |
524 | | libcerror_error_set( |
525 | | error, |
526 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
527 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
528 | | "%s: unable to create file IO handle.", |
529 | | function ); |
530 | | |
531 | | goto on_error; |
532 | | } |
533 | | #if defined( HAVE_DEBUG_OUTPUT ) |
534 | | if( libbfio_handle_set_track_offsets_read( |
535 | | file_io_handle, |
536 | | 1, |
537 | | error ) != 1 ) |
538 | | { |
539 | | libcerror_error_set( |
540 | | error, |
541 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
542 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
543 | | "%s: unable to set track offsets read in file IO handle.", |
544 | | function ); |
545 | | |
546 | | goto on_error; |
547 | | } |
548 | | #endif |
549 | | filename_length = wide_string_length( |
550 | | filename ); |
551 | | |
552 | | if( libbfio_file_set_name_wide( |
553 | | file_io_handle, |
554 | | filename, |
555 | | filename_length + 1, |
556 | | error ) != 1 ) |
557 | | { |
558 | | libcerror_error_set( |
559 | | error, |
560 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
561 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
562 | | "%s: unable to set filename in file IO handle.", |
563 | | function ); |
564 | | |
565 | | goto on_error; |
566 | | } |
567 | | if( libvhdi_file_open_file_io_handle( |
568 | | file, |
569 | | file_io_handle, |
570 | | access_flags, |
571 | | error ) != 1 ) |
572 | | { |
573 | | libcerror_error_set( |
574 | | error, |
575 | | LIBCERROR_ERROR_DOMAIN_IO, |
576 | | LIBCERROR_IO_ERROR_OPEN_FAILED, |
577 | | "%s: unable to open file: %ls.", |
578 | | function, |
579 | | filename ); |
580 | | |
581 | | goto on_error; |
582 | | } |
583 | | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
584 | | if( libcthreads_read_write_lock_grab_for_write( |
585 | | internal_file->read_write_lock, |
586 | | error ) != 1 ) |
587 | | { |
588 | | libcerror_error_set( |
589 | | error, |
590 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
591 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
592 | | "%s: unable to grab read/write lock for writing.", |
593 | | function ); |
594 | | |
595 | | return( -1 ); |
596 | | } |
597 | | #endif |
598 | | internal_file->file_io_handle_created_in_library = 1; |
599 | | |
600 | | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
601 | | if( libcthreads_read_write_lock_release_for_write( |
602 | | internal_file->read_write_lock, |
603 | | error ) != 1 ) |
604 | | { |
605 | | libcerror_error_set( |
606 | | error, |
607 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
608 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
609 | | "%s: unable to release read/write lock for writing.", |
610 | | function ); |
611 | | |
612 | | return( -1 ); |
613 | | } |
614 | | #endif |
615 | | return( 1 ); |
616 | | |
617 | | on_error: |
618 | | if( file_io_handle != NULL ) |
619 | | { |
620 | | libbfio_handle_free( |
621 | | &file_io_handle, |
622 | | NULL ); |
623 | | } |
624 | | return( -1 ); |
625 | | } |
626 | | |
627 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
628 | | |
629 | | /* Opens a file using a Basic File IO (bfio) handle |
630 | | * Returns 1 if successful or -1 on error |
631 | | */ |
632 | | int libvhdi_file_open_file_io_handle( |
633 | | libvhdi_file_t *file, |
634 | | libbfio_handle_t *file_io_handle, |
635 | | int access_flags, |
636 | | libcerror_error_t **error ) |
637 | 1.48k | { |
638 | 1.48k | libvhdi_internal_file_t *internal_file = NULL; |
639 | 1.48k | static char *function = "libvhdi_file_open_file_io_handle"; |
640 | 1.48k | uint8_t file_io_handle_opened_in_library = 0; |
641 | 1.48k | int bfio_access_flags = 0; |
642 | 1.48k | int file_io_handle_is_open = 0; |
643 | | |
644 | 1.48k | if( file == NULL ) |
645 | 0 | { |
646 | 0 | libcerror_error_set( |
647 | 0 | error, |
648 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
649 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
650 | 0 | "%s: invalid file.", |
651 | 0 | function ); |
652 | |
|
653 | 0 | return( -1 ); |
654 | 0 | } |
655 | 1.48k | internal_file = (libvhdi_internal_file_t *) file; |
656 | | |
657 | 1.48k | if( file_io_handle == NULL ) |
658 | 0 | { |
659 | 0 | libcerror_error_set( |
660 | 0 | error, |
661 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
662 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
663 | 0 | "%s: invalid file IO handle.", |
664 | 0 | function ); |
665 | |
|
666 | 0 | return( -1 ); |
667 | 0 | } |
668 | 1.48k | if( ( ( access_flags & LIBVHDI_ACCESS_FLAG_READ ) == 0 ) |
669 | 1.48k | && ( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) == 0 ) ) |
670 | 0 | { |
671 | 0 | libcerror_error_set( |
672 | 0 | error, |
673 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
674 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
675 | 0 | "%s: unsupported access flags.", |
676 | 0 | function ); |
677 | |
|
678 | 0 | return( -1 ); |
679 | 0 | } |
680 | 1.48k | if( ( access_flags & LIBVHDI_ACCESS_FLAG_WRITE ) != 0 ) |
681 | 0 | { |
682 | 0 | libcerror_error_set( |
683 | 0 | error, |
684 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
685 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
686 | 0 | "%s: write access currently not supported.", |
687 | 0 | function ); |
688 | |
|
689 | 0 | return( -1 ); |
690 | 0 | } |
691 | 1.48k | if( ( access_flags & LIBVHDI_ACCESS_FLAG_READ ) != 0 ) |
692 | 1.48k | { |
693 | 1.48k | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
694 | 1.48k | } |
695 | 1.48k | file_io_handle_is_open = libbfio_handle_is_open( |
696 | 1.48k | file_io_handle, |
697 | 1.48k | error ); |
698 | | |
699 | 1.48k | if( file_io_handle_is_open == -1 ) |
700 | 0 | { |
701 | 0 | libcerror_error_set( |
702 | 0 | error, |
703 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
704 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
705 | 0 | "%s: unable to determine if file IO handle is open.", |
706 | 0 | function ); |
707 | |
|
708 | 0 | goto on_error; |
709 | 0 | } |
710 | 1.48k | else if( file_io_handle_is_open == 0 ) |
711 | 1.48k | { |
712 | 1.48k | if( libbfio_handle_open( |
713 | 1.48k | file_io_handle, |
714 | 1.48k | bfio_access_flags, |
715 | 1.48k | error ) != 1 ) |
716 | 0 | { |
717 | 0 | libcerror_error_set( |
718 | 0 | error, |
719 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
720 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
721 | 0 | "%s: unable to open file IO handle.", |
722 | 0 | function ); |
723 | |
|
724 | 0 | goto on_error; |
725 | 0 | } |
726 | 1.48k | file_io_handle_opened_in_library = 1; |
727 | 1.48k | } |
728 | 1.48k | if( libvhdi_internal_file_open_read( |
729 | 1.48k | internal_file, |
730 | 1.48k | file_io_handle, |
731 | 1.48k | error ) != 1 ) |
732 | 1.46k | { |
733 | 1.46k | libcerror_error_set( |
734 | 1.46k | error, |
735 | 1.46k | LIBCERROR_ERROR_DOMAIN_IO, |
736 | 1.46k | LIBCERROR_IO_ERROR_READ_FAILED, |
737 | 1.46k | "%s: unable to read from file IO handle.", |
738 | 1.46k | function ); |
739 | | |
740 | 1.46k | goto on_error; |
741 | 1.46k | } |
742 | 17 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
743 | 17 | if( libcthreads_read_write_lock_grab_for_write( |
744 | 17 | internal_file->read_write_lock, |
745 | 17 | error ) != 1 ) |
746 | 0 | { |
747 | 0 | libcerror_error_set( |
748 | 0 | error, |
749 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
750 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
751 | 0 | "%s: unable to grab read/write lock for writing.", |
752 | 0 | function ); |
753 | |
|
754 | 0 | return( -1 ); |
755 | 0 | } |
756 | 17 | #endif |
757 | 17 | internal_file->file_io_handle = file_io_handle; |
758 | 17 | internal_file->file_io_handle_opened_in_library = file_io_handle_opened_in_library; |
759 | | |
760 | 17 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
761 | 17 | if( libcthreads_read_write_lock_release_for_write( |
762 | 17 | internal_file->read_write_lock, |
763 | 17 | error ) != 1 ) |
764 | 0 | { |
765 | 0 | libcerror_error_set( |
766 | 0 | error, |
767 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
768 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
769 | 0 | "%s: unable to release read/write lock for writing.", |
770 | 0 | function ); |
771 | |
|
772 | 0 | return( -1 ); |
773 | 0 | } |
774 | 17 | #endif |
775 | 17 | return( 1 ); |
776 | | |
777 | 1.46k | on_error: |
778 | 1.46k | if( file_io_handle_opened_in_library != 0 ) |
779 | 1.46k | { |
780 | 1.46k | libbfio_handle_close( |
781 | 1.46k | file_io_handle, |
782 | 1.46k | error ); |
783 | 1.46k | } |
784 | 1.46k | return( -1 ); |
785 | 17 | } |
786 | | |
787 | | /* Closes a file |
788 | | * Returns 0 if successful or -1 on error |
789 | | */ |
790 | | int libvhdi_file_close( |
791 | | libvhdi_file_t *file, |
792 | | libcerror_error_t **error ) |
793 | 17 | { |
794 | 17 | libvhdi_internal_file_t *internal_file = NULL; |
795 | 17 | static char *function = "libvhdi_file_close"; |
796 | 17 | int result = 0; |
797 | | |
798 | 17 | if( file == NULL ) |
799 | 0 | { |
800 | 0 | libcerror_error_set( |
801 | 0 | error, |
802 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
803 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
804 | 0 | "%s: invalid file.", |
805 | 0 | function ); |
806 | |
|
807 | 0 | return( -1 ); |
808 | 0 | } |
809 | 17 | internal_file = (libvhdi_internal_file_t *) file; |
810 | | |
811 | 17 | if( internal_file->file_io_handle == NULL ) |
812 | 0 | { |
813 | 0 | libcerror_error_set( |
814 | 0 | error, |
815 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
816 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
817 | 0 | "%s: invalid file - missing file IO handle.", |
818 | 0 | function ); |
819 | |
|
820 | 0 | return( -1 ); |
821 | 0 | } |
822 | 17 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
823 | 17 | if( libcthreads_read_write_lock_grab_for_write( |
824 | 17 | internal_file->read_write_lock, |
825 | 17 | error ) != 1 ) |
826 | 0 | { |
827 | 0 | libcerror_error_set( |
828 | 0 | error, |
829 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
830 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
831 | 0 | "%s: unable to grab read/write lock for writing.", |
832 | 0 | function ); |
833 | |
|
834 | 0 | return( -1 ); |
835 | 0 | } |
836 | 17 | #endif |
837 | | #if defined( HAVE_DEBUG_OUTPUT ) |
838 | | if( libcnotify_verbose != 0 ) |
839 | | { |
840 | | if( internal_file->file_io_handle_created_in_library != 0 ) |
841 | | { |
842 | | if( libvhdi_debug_print_read_offsets( |
843 | | internal_file->file_io_handle, |
844 | | error ) != 1 ) |
845 | | { |
846 | | libcerror_error_set( |
847 | | error, |
848 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
849 | | LIBCERROR_RUNTIME_ERROR_PRINT_FAILED, |
850 | | "%s: unable to print the read offsets.", |
851 | | function ); |
852 | | |
853 | | result = -1; |
854 | | } |
855 | | } |
856 | | } |
857 | | #endif |
858 | 17 | if( internal_file->file_io_handle_opened_in_library != 0 ) |
859 | 17 | { |
860 | 17 | if( libbfio_handle_close( |
861 | 17 | internal_file->file_io_handle, |
862 | 17 | error ) != 0 ) |
863 | 0 | { |
864 | 0 | libcerror_error_set( |
865 | 0 | error, |
866 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
867 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
868 | 0 | "%s: unable to close file IO handle.", |
869 | 0 | function ); |
870 | |
|
871 | 0 | result = -1; |
872 | 0 | } |
873 | 17 | internal_file->file_io_handle_opened_in_library = 0; |
874 | 17 | } |
875 | 17 | if( internal_file->file_io_handle_created_in_library != 0 ) |
876 | 0 | { |
877 | 0 | if( libbfio_handle_free( |
878 | 0 | &( internal_file->file_io_handle ), |
879 | 0 | error ) != 1 ) |
880 | 0 | { |
881 | 0 | libcerror_error_set( |
882 | 0 | error, |
883 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
884 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
885 | 0 | "%s: unable to free file IO handle.", |
886 | 0 | function ); |
887 | |
|
888 | 0 | result = -1; |
889 | 0 | } |
890 | 0 | internal_file->file_io_handle_created_in_library = 0; |
891 | 0 | } |
892 | 17 | internal_file->file_io_handle = NULL; |
893 | 17 | internal_file->current_offset = 0; |
894 | | |
895 | 17 | if( libvhdi_io_handle_clear( |
896 | 17 | internal_file->io_handle, |
897 | 17 | error ) != 1 ) |
898 | 0 | { |
899 | 0 | libcerror_error_set( |
900 | 0 | error, |
901 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
902 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
903 | 0 | "%s: unable to clear IO handle.", |
904 | 0 | function ); |
905 | |
|
906 | 0 | result = -1; |
907 | 0 | } |
908 | 17 | if( internal_file->file_footer != NULL ) |
909 | 17 | { |
910 | 17 | if( libvhdi_file_footer_free( |
911 | 17 | &( internal_file->file_footer ), |
912 | 17 | error ) != 1 ) |
913 | 0 | { |
914 | 0 | libcerror_error_set( |
915 | 0 | error, |
916 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
917 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
918 | 0 | "%s: unable to free file footer.", |
919 | 0 | function ); |
920 | |
|
921 | 0 | result = -1; |
922 | 0 | } |
923 | 17 | } |
924 | 17 | if( internal_file->file_information != NULL ) |
925 | 0 | { |
926 | 0 | if( libvhdi_file_information_free( |
927 | 0 | &( internal_file->file_information ), |
928 | 0 | error ) != 1 ) |
929 | 0 | { |
930 | 0 | libcerror_error_set( |
931 | 0 | error, |
932 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
933 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
934 | 0 | "%s: unable to free file information.", |
935 | 0 | function ); |
936 | |
|
937 | 0 | result = -1; |
938 | 0 | } |
939 | 0 | } |
940 | 17 | if( internal_file->dynamic_disk_header != NULL ) |
941 | 16 | { |
942 | 16 | if( libvhdi_dynamic_disk_header_free( |
943 | 16 | &( internal_file->dynamic_disk_header ), |
944 | 16 | error ) != 1 ) |
945 | 0 | { |
946 | 0 | libcerror_error_set( |
947 | 0 | error, |
948 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
949 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
950 | 0 | "%s: unable to free dynamic disk header.", |
951 | 0 | function ); |
952 | |
|
953 | 0 | result = -1; |
954 | 0 | } |
955 | 16 | } |
956 | 17 | if( internal_file->image_header != NULL ) |
957 | 0 | { |
958 | 0 | if( libvhdi_image_header_free( |
959 | 0 | &( internal_file->image_header ), |
960 | 0 | error ) != 1 ) |
961 | 0 | { |
962 | 0 | libcerror_error_set( |
963 | 0 | error, |
964 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
965 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
966 | 0 | "%s: unable to free image header.", |
967 | 0 | function ); |
968 | |
|
969 | 0 | result = -1; |
970 | 0 | } |
971 | 0 | } |
972 | 17 | if( internal_file->region_table != NULL ) |
973 | 0 | { |
974 | 0 | if( libvhdi_region_table_free( |
975 | 0 | &( internal_file->region_table ), |
976 | 0 | error ) != 1 ) |
977 | 0 | { |
978 | 0 | libcerror_error_set( |
979 | 0 | error, |
980 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
981 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
982 | 0 | "%s: unable to free region table.", |
983 | 0 | function ); |
984 | |
|
985 | 0 | result = -1; |
986 | 0 | } |
987 | 0 | } |
988 | 17 | if( internal_file->metadata_values != NULL ) |
989 | 0 | { |
990 | 0 | if( libvhdi_metadata_values_free( |
991 | 0 | &( internal_file->metadata_values ), |
992 | 0 | error ) != 1 ) |
993 | 0 | { |
994 | 0 | libcerror_error_set( |
995 | 0 | error, |
996 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
997 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
998 | 0 | "%s: unable to free metadata values.", |
999 | 0 | function ); |
1000 | |
|
1001 | 0 | result = -1; |
1002 | 0 | } |
1003 | 0 | } |
1004 | 17 | if( internal_file->block_allocation_table != NULL ) |
1005 | 16 | { |
1006 | 16 | if( libvhdi_block_allocation_table_free( |
1007 | 16 | &( internal_file->block_allocation_table ), |
1008 | 16 | error ) != 1 ) |
1009 | 0 | { |
1010 | 0 | libcerror_error_set( |
1011 | 0 | error, |
1012 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1013 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1014 | 0 | "%s: unable to free block allocation table.", |
1015 | 0 | function ); |
1016 | |
|
1017 | 0 | result = -1; |
1018 | 0 | } |
1019 | 16 | } |
1020 | 17 | if( internal_file->block_descriptors_vector != NULL ) |
1021 | 16 | { |
1022 | 16 | if( libfdata_vector_free( |
1023 | 16 | &( internal_file->block_descriptors_vector ), |
1024 | 16 | error ) != 1 ) |
1025 | 0 | { |
1026 | 0 | libcerror_error_set( |
1027 | 0 | error, |
1028 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1029 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1030 | 0 | "%s: unable to free block descriptors vector.", |
1031 | 0 | function ); |
1032 | |
|
1033 | 0 | result = -1; |
1034 | 0 | } |
1035 | 16 | } |
1036 | 17 | if( internal_file->block_descriptors_cache != NULL ) |
1037 | 16 | { |
1038 | 16 | if( libfcache_cache_free( |
1039 | 16 | &( internal_file->block_descriptors_cache ), |
1040 | 16 | error ) != 1 ) |
1041 | 0 | { |
1042 | 0 | libcerror_error_set( |
1043 | 0 | error, |
1044 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1045 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1046 | 0 | "%s: unable to free block descriptors cache.", |
1047 | 0 | function ); |
1048 | |
|
1049 | 0 | result = -1; |
1050 | 0 | } |
1051 | 16 | } |
1052 | 17 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
1053 | 17 | if( libcthreads_read_write_lock_release_for_write( |
1054 | 17 | internal_file->read_write_lock, |
1055 | 17 | error ) != 1 ) |
1056 | 0 | { |
1057 | 0 | libcerror_error_set( |
1058 | 0 | error, |
1059 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1060 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1061 | 0 | "%s: unable to release read/write lock for writing.", |
1062 | 0 | function ); |
1063 | |
|
1064 | 0 | return( -1 ); |
1065 | 0 | } |
1066 | 17 | #endif |
1067 | 17 | return( result ); |
1068 | 17 | } |
1069 | | |
1070 | | /* Opens a file for reading |
1071 | | * Returns 1 if successful or -1 on error |
1072 | | */ |
1073 | | int libvhdi_internal_file_open_read( |
1074 | | libvhdi_internal_file_t *internal_file, |
1075 | | libbfio_handle_t *file_io_handle, |
1076 | | libcerror_error_t **error ) |
1077 | 1.48k | { |
1078 | 1.48k | static char *function = "libvhdi_internal_file_open_read"; |
1079 | 1.48k | size64_t file_size = 0; |
1080 | 1.48k | int result = 0; |
1081 | | |
1082 | 1.48k | if( internal_file == NULL ) |
1083 | 0 | { |
1084 | 0 | libcerror_error_set( |
1085 | 0 | error, |
1086 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1087 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1088 | 0 | "%s: invalid file.", |
1089 | 0 | function ); |
1090 | |
|
1091 | 0 | return( -1 ); |
1092 | 0 | } |
1093 | 1.48k | if( internal_file->io_handle == NULL ) |
1094 | 0 | { |
1095 | 0 | libcerror_error_set( |
1096 | 0 | error, |
1097 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1098 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1099 | 0 | "%s: invalid file - missing IO handle.", |
1100 | 0 | function ); |
1101 | |
|
1102 | 0 | return( -1 ); |
1103 | 0 | } |
1104 | 1.48k | if( internal_file->file_footer != NULL ) |
1105 | 0 | { |
1106 | 0 | libcerror_error_set( |
1107 | 0 | error, |
1108 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1109 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1110 | 0 | "%s: invalid file - file footer already set.", |
1111 | 0 | function ); |
1112 | |
|
1113 | 0 | return( -1 ); |
1114 | 0 | } |
1115 | 1.48k | if( internal_file->file_information != NULL ) |
1116 | 0 | { |
1117 | 0 | libcerror_error_set( |
1118 | 0 | error, |
1119 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1120 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1121 | 0 | "%s: invalid file - file information already set.", |
1122 | 0 | function ); |
1123 | |
|
1124 | 0 | return( -1 ); |
1125 | 0 | } |
1126 | 1.48k | if( libbfio_handle_get_size( |
1127 | 1.48k | file_io_handle, |
1128 | 1.48k | &file_size, |
1129 | 1.48k | error ) != 1 ) |
1130 | 0 | { |
1131 | 0 | libcerror_error_set( |
1132 | 0 | error, |
1133 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1134 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1135 | 0 | "%s: unable to retrieve file size.", |
1136 | 0 | function ); |
1137 | |
|
1138 | 0 | goto on_error; |
1139 | 0 | } |
1140 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1141 | | if( libcnotify_verbose != 0 ) |
1142 | | { |
1143 | | libcnotify_printf( |
1144 | | "Reading file information:\n" ); |
1145 | | } |
1146 | | #endif |
1147 | 1.48k | if( libvhdi_file_information_initialize( |
1148 | 1.48k | &( internal_file->file_information ), |
1149 | 1.48k | error ) != 1 ) |
1150 | 0 | { |
1151 | 0 | libcerror_error_set( |
1152 | 0 | error, |
1153 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1154 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1155 | 0 | "%s: unable to create file information.", |
1156 | 0 | function ); |
1157 | |
|
1158 | 0 | goto on_error; |
1159 | 0 | } |
1160 | 1.48k | result = libvhdi_file_information_read_file_io_handle( |
1161 | 1.48k | internal_file->file_information, |
1162 | 1.48k | file_io_handle, |
1163 | 1.48k | 0, |
1164 | 1.48k | error ); |
1165 | | |
1166 | 1.48k | if( result == -1 ) |
1167 | 34 | { |
1168 | 34 | libcerror_error_set( |
1169 | 34 | error, |
1170 | 34 | LIBCERROR_ERROR_DOMAIN_IO, |
1171 | 34 | LIBCERROR_IO_ERROR_READ_FAILED, |
1172 | 34 | "%s: unable to read file information.", |
1173 | 34 | function ); |
1174 | | |
1175 | 34 | goto on_error; |
1176 | 34 | } |
1177 | 1.44k | else if( result == 0 ) |
1178 | 592 | { |
1179 | 592 | if( libvhdi_file_information_free( |
1180 | 592 | &( internal_file->file_information ), |
1181 | 592 | error ) != 1 ) |
1182 | 0 | { |
1183 | 0 | libcerror_error_set( |
1184 | 0 | error, |
1185 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1186 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1187 | 0 | "%s: unable to free file information.", |
1188 | 0 | function ); |
1189 | |
|
1190 | 0 | goto on_error; |
1191 | 0 | } |
1192 | 592 | internal_file->io_handle->file_type = LIBVHDI_FILE_TYPE_VHD; |
1193 | 592 | } |
1194 | 856 | else |
1195 | 856 | { |
1196 | 856 | internal_file->io_handle->file_type = LIBVHDI_FILE_TYPE_VHDX; |
1197 | 856 | } |
1198 | 1.44k | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHD ) |
1199 | 592 | { |
1200 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1201 | | if( libcnotify_verbose != 0 ) |
1202 | | { |
1203 | | libcnotify_printf( |
1204 | | "Reading file footer:\n" ); |
1205 | | } |
1206 | | #endif |
1207 | 592 | if( libvhdi_file_footer_initialize( |
1208 | 592 | &( internal_file->file_footer ), |
1209 | 592 | error ) != 1 ) |
1210 | 0 | { |
1211 | 0 | libcerror_error_set( |
1212 | 0 | error, |
1213 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1214 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1215 | 0 | "%s: unable to create file footer.", |
1216 | 0 | function ); |
1217 | |
|
1218 | 0 | goto on_error; |
1219 | 0 | } |
1220 | 592 | if( libvhdi_file_footer_read_file_io_handle( |
1221 | 592 | internal_file->file_footer, |
1222 | 592 | file_io_handle, |
1223 | 592 | file_size - 512, |
1224 | 592 | error ) != 1 ) |
1225 | 320 | { |
1226 | 320 | libcerror_error_set( |
1227 | 320 | error, |
1228 | 320 | LIBCERROR_ERROR_DOMAIN_IO, |
1229 | 320 | LIBCERROR_IO_ERROR_READ_FAILED, |
1230 | 320 | "%s: unable to read file footer.", |
1231 | 320 | function ); |
1232 | | |
1233 | 320 | goto on_error; |
1234 | 320 | } |
1235 | 272 | internal_file->io_handle->disk_type = internal_file->file_footer->disk_type; |
1236 | 272 | internal_file->io_handle->media_size = internal_file->file_footer->media_size; |
1237 | 272 | internal_file->io_handle->bytes_per_sector = 512; |
1238 | 272 | } |
1239 | 1.12k | if( ( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHD ) |
1240 | 1.12k | && ( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_FIXED ) ) |
1241 | 271 | { |
1242 | | /* TODO check copy of file footer */ |
1243 | | |
1244 | 271 | if( libvhdi_internal_file_open_read_dynamic_disk_header( |
1245 | 271 | internal_file, |
1246 | 271 | file_io_handle, |
1247 | 271 | error ) != 1 ) |
1248 | 169 | { |
1249 | 169 | libcerror_error_set( |
1250 | 169 | error, |
1251 | 169 | LIBCERROR_ERROR_DOMAIN_IO, |
1252 | 169 | LIBCERROR_IO_ERROR_READ_FAILED, |
1253 | 169 | "%s: unable to read dynamic disk header.", |
1254 | 169 | function ); |
1255 | | |
1256 | 169 | goto on_error; |
1257 | 169 | } |
1258 | 271 | } |
1259 | 857 | else if( internal_file->file_information != NULL ) |
1260 | 856 | { |
1261 | 856 | if( libvhdi_internal_file_open_read_image_header( |
1262 | 856 | internal_file, |
1263 | 856 | file_io_handle, |
1264 | 856 | error ) != 1 ) |
1265 | 52 | { |
1266 | 52 | libcerror_error_set( |
1267 | 52 | error, |
1268 | 52 | LIBCERROR_ERROR_DOMAIN_IO, |
1269 | 52 | LIBCERROR_IO_ERROR_READ_FAILED, |
1270 | 52 | "%s: unable to read image header.", |
1271 | 52 | function ); |
1272 | | |
1273 | 52 | goto on_error; |
1274 | 52 | } |
1275 | 804 | if( libvhdi_internal_file_open_read_region_table( |
1276 | 804 | internal_file, |
1277 | 804 | file_io_handle, |
1278 | 804 | error ) != 1 ) |
1279 | 208 | { |
1280 | 208 | libcerror_error_set( |
1281 | 208 | error, |
1282 | 208 | LIBCERROR_ERROR_DOMAIN_IO, |
1283 | 208 | LIBCERROR_IO_ERROR_READ_FAILED, |
1284 | 208 | "%s: unable to read region table.", |
1285 | 208 | function ); |
1286 | | |
1287 | 208 | goto on_error; |
1288 | 208 | } |
1289 | 596 | if( libvhdi_internal_file_open_read_metadata_values( |
1290 | 596 | internal_file, |
1291 | 596 | file_io_handle, |
1292 | 596 | error ) != 1 ) |
1293 | 582 | { |
1294 | 582 | libcerror_error_set( |
1295 | 582 | error, |
1296 | 582 | LIBCERROR_ERROR_DOMAIN_IO, |
1297 | 582 | LIBCERROR_IO_ERROR_READ_FAILED, |
1298 | 582 | "%s: unable to read metadata values.", |
1299 | 582 | function ); |
1300 | | |
1301 | 582 | goto on_error; |
1302 | 582 | } |
1303 | 596 | } |
1304 | 117 | if( libvhdi_internal_file_open_read_block_allocation_table( |
1305 | 117 | internal_file, |
1306 | 117 | file_io_handle, |
1307 | 117 | error ) != 1 ) |
1308 | 100 | { |
1309 | 100 | libcerror_error_set( |
1310 | 100 | error, |
1311 | 100 | LIBCERROR_ERROR_DOMAIN_IO, |
1312 | 100 | LIBCERROR_IO_ERROR_READ_FAILED, |
1313 | 100 | "%s: unable to read block allocation table.", |
1314 | 100 | function ); |
1315 | | |
1316 | 100 | goto on_error; |
1317 | 100 | } |
1318 | 17 | return( 1 ); |
1319 | | |
1320 | 1.46k | on_error: |
1321 | 1.46k | if( internal_file->metadata_values != NULL ) |
1322 | 14 | { |
1323 | 14 | libvhdi_metadata_values_free( |
1324 | 14 | &( internal_file->metadata_values ), |
1325 | 14 | NULL ); |
1326 | 14 | } |
1327 | 1.46k | if( internal_file->region_table != NULL ) |
1328 | 596 | { |
1329 | 596 | libvhdi_region_table_free( |
1330 | 596 | &( internal_file->region_table ), |
1331 | 596 | NULL ); |
1332 | 596 | } |
1333 | 1.46k | if( internal_file->image_header != NULL ) |
1334 | 804 | { |
1335 | 804 | libvhdi_image_header_free( |
1336 | 804 | &( internal_file->image_header ), |
1337 | 804 | NULL ); |
1338 | 804 | } |
1339 | 1.46k | if( internal_file->dynamic_disk_header != NULL ) |
1340 | 86 | { |
1341 | 86 | libvhdi_dynamic_disk_header_free( |
1342 | 86 | &( internal_file->dynamic_disk_header ), |
1343 | 86 | NULL ); |
1344 | 86 | } |
1345 | 1.46k | if( internal_file->file_footer != NULL ) |
1346 | 575 | { |
1347 | 575 | libvhdi_file_footer_free( |
1348 | 575 | &( internal_file->file_footer ), |
1349 | 575 | NULL ); |
1350 | 575 | } |
1351 | 1.46k | if( internal_file->file_information != NULL ) |
1352 | 890 | { |
1353 | 890 | libvhdi_file_information_free( |
1354 | 890 | &( internal_file->file_information ), |
1355 | 890 | NULL ); |
1356 | 890 | } |
1357 | 1.46k | return( -1 ); |
1358 | 117 | } |
1359 | | |
1360 | | /* Reads the VHD dynamic disk header on open |
1361 | | * Returns 1 if successful or -1 on error |
1362 | | */ |
1363 | | int libvhdi_internal_file_open_read_dynamic_disk_header( |
1364 | | libvhdi_internal_file_t *internal_file, |
1365 | | libbfio_handle_t *file_io_handle, |
1366 | | libcerror_error_t **error ) |
1367 | 271 | { |
1368 | 271 | static char *function = "libvhdi_internal_file_open_read_dynamic_disk_header"; |
1369 | | |
1370 | 271 | if( internal_file == NULL ) |
1371 | 0 | { |
1372 | 0 | libcerror_error_set( |
1373 | 0 | error, |
1374 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1375 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1376 | 0 | "%s: invalid file.", |
1377 | 0 | function ); |
1378 | |
|
1379 | 0 | return( -1 ); |
1380 | 0 | } |
1381 | 271 | if( internal_file->io_handle == NULL ) |
1382 | 0 | { |
1383 | 0 | libcerror_error_set( |
1384 | 0 | error, |
1385 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1386 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1387 | 0 | "%s: invalid file - missing IO handle.", |
1388 | 0 | function ); |
1389 | |
|
1390 | 0 | return( -1 ); |
1391 | 0 | } |
1392 | 271 | if( internal_file->dynamic_disk_header != NULL ) |
1393 | 0 | { |
1394 | 0 | libcerror_error_set( |
1395 | 0 | error, |
1396 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1397 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1398 | 0 | "%s: invalid file - dynamic disk header already set.", |
1399 | 0 | function ); |
1400 | |
|
1401 | 0 | return( -1 ); |
1402 | 0 | } |
1403 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1404 | | if( libcnotify_verbose != 0 ) |
1405 | | { |
1406 | | libcnotify_printf( |
1407 | | "Reading dynamic disk header:\n" ); |
1408 | | } |
1409 | | #endif |
1410 | 271 | if( libvhdi_dynamic_disk_header_initialize( |
1411 | 271 | &( internal_file->dynamic_disk_header ), |
1412 | 271 | error ) != 1 ) |
1413 | 0 | { |
1414 | 0 | libcerror_error_set( |
1415 | 0 | error, |
1416 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1417 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1418 | 0 | "%s: unable to create dynamic disk header.", |
1419 | 0 | function ); |
1420 | |
|
1421 | 0 | goto on_error; |
1422 | 0 | } |
1423 | 271 | if( libvhdi_dynamic_disk_header_read_file_io_handle( |
1424 | 271 | internal_file->dynamic_disk_header, |
1425 | 271 | file_io_handle, |
1426 | 271 | internal_file->file_footer->next_offset, |
1427 | 271 | error ) != 1 ) |
1428 | 169 | { |
1429 | 169 | libcerror_error_set( |
1430 | 169 | error, |
1431 | 169 | LIBCERROR_ERROR_DOMAIN_IO, |
1432 | 169 | LIBCERROR_IO_ERROR_READ_FAILED, |
1433 | 169 | "%s: unable to read dynamic disk header.", |
1434 | 169 | function ); |
1435 | | |
1436 | 169 | goto on_error; |
1437 | 169 | } |
1438 | 102 | internal_file->io_handle->block_size = internal_file->dynamic_disk_header->block_size; |
1439 | | |
1440 | 102 | return( 1 ); |
1441 | | |
1442 | 169 | on_error: |
1443 | 169 | if( internal_file->dynamic_disk_header != NULL ) |
1444 | 169 | { |
1445 | 169 | libvhdi_dynamic_disk_header_free( |
1446 | 169 | &( internal_file->dynamic_disk_header ), |
1447 | 169 | NULL ); |
1448 | 169 | } |
1449 | 169 | return( -1 ); |
1450 | 271 | } |
1451 | | |
1452 | | /* Reads the VHDX image header on open |
1453 | | * Returns 1 if successful or -1 on error |
1454 | | */ |
1455 | | int libvhdi_internal_file_open_read_image_header( |
1456 | | libvhdi_internal_file_t *internal_file, |
1457 | | libbfio_handle_t *file_io_handle, |
1458 | | libcerror_error_t **error ) |
1459 | 856 | { |
1460 | 856 | libvhdi_image_header_t *image_header = NULL; |
1461 | 856 | static char *function = "libvhdi_internal_file_open_read_image_header"; |
1462 | | |
1463 | 856 | if( internal_file == NULL ) |
1464 | 0 | { |
1465 | 0 | libcerror_error_set( |
1466 | 0 | error, |
1467 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1468 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1469 | 0 | "%s: invalid file.", |
1470 | 0 | function ); |
1471 | |
|
1472 | 0 | return( -1 ); |
1473 | 0 | } |
1474 | 856 | if( internal_file->image_header != NULL ) |
1475 | 0 | { |
1476 | 0 | libcerror_error_set( |
1477 | 0 | error, |
1478 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1479 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1480 | 0 | "%s: invalid file - image header already set.", |
1481 | 0 | function ); |
1482 | |
|
1483 | 0 | return( -1 ); |
1484 | 0 | } |
1485 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1486 | | if( libcnotify_verbose != 0 ) |
1487 | | { |
1488 | | libcnotify_printf( |
1489 | | "Reading first image header:\n" ); |
1490 | | } |
1491 | | #endif |
1492 | 856 | if( libvhdi_image_header_initialize( |
1493 | 856 | &( internal_file->image_header ), |
1494 | 856 | error ) != 1 ) |
1495 | 0 | { |
1496 | 0 | libcerror_error_set( |
1497 | 0 | error, |
1498 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1499 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1500 | 0 | "%s: unable to create first image header.", |
1501 | 0 | function ); |
1502 | |
|
1503 | 0 | goto on_error; |
1504 | 0 | } |
1505 | 856 | if( libvhdi_image_header_read_file_io_handle( |
1506 | 856 | internal_file->image_header, |
1507 | 856 | file_io_handle, |
1508 | 856 | 64 * 1024, |
1509 | 856 | error ) != 1 ) |
1510 | 51 | { |
1511 | 51 | libcerror_error_set( |
1512 | 51 | error, |
1513 | 51 | LIBCERROR_ERROR_DOMAIN_IO, |
1514 | 51 | LIBCERROR_IO_ERROR_READ_FAILED, |
1515 | 51 | "%s: unable to read first image header.", |
1516 | 51 | function ); |
1517 | | |
1518 | 51 | goto on_error; |
1519 | 51 | } |
1520 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1521 | | if( libcnotify_verbose != 0 ) |
1522 | | { |
1523 | | libcnotify_printf( |
1524 | | "Reading second image header:\n" ); |
1525 | | } |
1526 | | #endif |
1527 | 805 | if( libvhdi_image_header_initialize( |
1528 | 805 | &image_header, |
1529 | 805 | error ) != 1 ) |
1530 | 0 | { |
1531 | 0 | libcerror_error_set( |
1532 | 0 | error, |
1533 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1534 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1535 | 0 | "%s: unable to create second image header.", |
1536 | 0 | function ); |
1537 | |
|
1538 | 0 | goto on_error; |
1539 | 0 | } |
1540 | 805 | if( libvhdi_image_header_read_file_io_handle( |
1541 | 805 | image_header, |
1542 | 805 | file_io_handle, |
1543 | 805 | 2 * 64 * 1024, |
1544 | 805 | error ) != 1 ) |
1545 | 1 | { |
1546 | 1 | libcerror_error_set( |
1547 | 1 | error, |
1548 | 1 | LIBCERROR_ERROR_DOMAIN_IO, |
1549 | 1 | LIBCERROR_IO_ERROR_READ_FAILED, |
1550 | 1 | "%s: unable to read second image header.", |
1551 | 1 | function ); |
1552 | | |
1553 | 1 | goto on_error; |
1554 | 1 | } |
1555 | 804 | if( image_header->sequence_number > internal_file->image_header->sequence_number ) |
1556 | 180 | { |
1557 | 180 | if( libvhdi_image_header_free( |
1558 | 180 | &( internal_file->image_header ), |
1559 | 180 | error ) != 1 ) |
1560 | 0 | { |
1561 | 0 | libcerror_error_set( |
1562 | 0 | error, |
1563 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1564 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1565 | 0 | "%s: unable to free primary image header.", |
1566 | 0 | function ); |
1567 | |
|
1568 | 0 | goto on_error; |
1569 | 0 | } |
1570 | 180 | internal_file->image_header = image_header; |
1571 | 180 | image_header = NULL; |
1572 | 180 | } |
1573 | 624 | else |
1574 | 624 | { |
1575 | 624 | if( libvhdi_image_header_free( |
1576 | 624 | &image_header, |
1577 | 624 | error ) != 1 ) |
1578 | 0 | { |
1579 | 0 | libcerror_error_set( |
1580 | 0 | error, |
1581 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1582 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1583 | 0 | "%s: unable to free second image header.", |
1584 | 0 | function ); |
1585 | |
|
1586 | 0 | goto on_error; |
1587 | 0 | } |
1588 | 624 | } |
1589 | 804 | return( 1 ); |
1590 | | |
1591 | 52 | on_error: |
1592 | 52 | if( image_header != NULL ) |
1593 | 1 | { |
1594 | 1 | libvhdi_image_header_free( |
1595 | 1 | &image_header, |
1596 | 1 | NULL ); |
1597 | 1 | } |
1598 | 52 | if( internal_file->image_header != NULL ) |
1599 | 52 | { |
1600 | 52 | libvhdi_image_header_free( |
1601 | 52 | &( internal_file->image_header ), |
1602 | 52 | NULL ); |
1603 | 52 | } |
1604 | 52 | return( -1 ); |
1605 | 804 | } |
1606 | | |
1607 | | /* Reads the VHDX region table on open |
1608 | | * Returns 1 if successful or -1 on error |
1609 | | */ |
1610 | | int libvhdi_internal_file_open_read_region_table( |
1611 | | libvhdi_internal_file_t *internal_file, |
1612 | | libbfio_handle_t *file_io_handle, |
1613 | | libcerror_error_t **error ) |
1614 | 804 | { |
1615 | 804 | libvhdi_region_table_t *region_table = NULL; |
1616 | 804 | static char *function = "libvhdi_internal_file_open_read_region_table"; |
1617 | | |
1618 | 804 | if( internal_file == NULL ) |
1619 | 0 | { |
1620 | 0 | libcerror_error_set( |
1621 | 0 | error, |
1622 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1623 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1624 | 0 | "%s: invalid file.", |
1625 | 0 | function ); |
1626 | |
|
1627 | 0 | return( -1 ); |
1628 | 0 | } |
1629 | 804 | if( internal_file->region_table != NULL ) |
1630 | 0 | { |
1631 | 0 | libcerror_error_set( |
1632 | 0 | error, |
1633 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1634 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1635 | 0 | "%s: invalid file - region table already set.", |
1636 | 0 | function ); |
1637 | |
|
1638 | 0 | return( -1 ); |
1639 | 0 | } |
1640 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1641 | | if( libcnotify_verbose != 0 ) |
1642 | | { |
1643 | | libcnotify_printf( |
1644 | | "Reading first region table:\n" ); |
1645 | | } |
1646 | | #endif |
1647 | 804 | if( libvhdi_region_table_initialize( |
1648 | 804 | &( internal_file->region_table ), |
1649 | 804 | error ) != 1 ) |
1650 | 0 | { |
1651 | 0 | libcerror_error_set( |
1652 | 0 | error, |
1653 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1654 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1655 | 0 | "%s: unable to create first region table.", |
1656 | 0 | function ); |
1657 | |
|
1658 | 0 | goto on_error; |
1659 | 0 | } |
1660 | 804 | if( libvhdi_region_table_read_file_io_handle( |
1661 | 804 | internal_file->region_table, |
1662 | 804 | file_io_handle, |
1663 | 804 | 3 * 64 * 1024, |
1664 | 804 | error ) != 1 ) |
1665 | 187 | { |
1666 | 187 | libcerror_error_set( |
1667 | 187 | error, |
1668 | 187 | LIBCERROR_ERROR_DOMAIN_IO, |
1669 | 187 | LIBCERROR_IO_ERROR_READ_FAILED, |
1670 | 187 | "%s: unable to read first region table.", |
1671 | 187 | function ); |
1672 | | |
1673 | 187 | goto on_error; |
1674 | 187 | } |
1675 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1676 | | if( libcnotify_verbose != 0 ) |
1677 | | { |
1678 | | libcnotify_printf( |
1679 | | "Reading second region table:\n" ); |
1680 | | } |
1681 | | #endif |
1682 | 617 | if( libvhdi_region_table_initialize( |
1683 | 617 | ®ion_table, |
1684 | 617 | error ) != 1 ) |
1685 | 0 | { |
1686 | 0 | libcerror_error_set( |
1687 | 0 | error, |
1688 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1689 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1690 | 0 | "%s: unable to create second region table.", |
1691 | 0 | function ); |
1692 | |
|
1693 | 0 | goto on_error; |
1694 | 0 | } |
1695 | 617 | if( libvhdi_region_table_read_file_io_handle( |
1696 | 617 | region_table, |
1697 | 617 | file_io_handle, |
1698 | 617 | 4 * 64 * 1024, |
1699 | 617 | error ) != 1 ) |
1700 | 21 | { |
1701 | 21 | libcerror_error_set( |
1702 | 21 | error, |
1703 | 21 | LIBCERROR_ERROR_DOMAIN_IO, |
1704 | 21 | LIBCERROR_IO_ERROR_READ_FAILED, |
1705 | 21 | "%s: unable to read second region table.", |
1706 | 21 | function ); |
1707 | | |
1708 | 21 | goto on_error; |
1709 | 21 | } |
1710 | | /* TODO compare first region table with second */ |
1711 | | |
1712 | 596 | if( libvhdi_region_table_free( |
1713 | 596 | ®ion_table, |
1714 | 596 | error ) != 1 ) |
1715 | 0 | { |
1716 | 0 | libcerror_error_set( |
1717 | 0 | error, |
1718 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1719 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1720 | 0 | "%s: unable to free second region table.", |
1721 | 0 | function ); |
1722 | |
|
1723 | 0 | goto on_error; |
1724 | 0 | } |
1725 | 596 | return( 1 ); |
1726 | | |
1727 | 208 | on_error: |
1728 | 208 | if( region_table != NULL ) |
1729 | 21 | { |
1730 | 21 | libvhdi_region_table_free( |
1731 | 21 | ®ion_table, |
1732 | 21 | NULL ); |
1733 | 21 | } |
1734 | 208 | if( internal_file->region_table != NULL ) |
1735 | 208 | { |
1736 | 208 | libvhdi_region_table_free( |
1737 | 208 | &( internal_file->region_table ), |
1738 | 208 | NULL ); |
1739 | 208 | } |
1740 | 208 | return( -1 ); |
1741 | 596 | } |
1742 | | |
1743 | | /* Reads the VHDX metadata values on open |
1744 | | * Returns 1 if successful or -1 on error |
1745 | | */ |
1746 | | int libvhdi_internal_file_open_read_metadata_values( |
1747 | | libvhdi_internal_file_t *internal_file, |
1748 | | libbfio_handle_t *file_io_handle, |
1749 | | libcerror_error_t **error ) |
1750 | 596 | { |
1751 | 596 | libvhdi_region_table_entry_t *region_table_entry = NULL; |
1752 | 596 | static char *function = "libvhdi_internal_file_open_read_metadata_values"; |
1753 | | |
1754 | 596 | if( internal_file == NULL ) |
1755 | 0 | { |
1756 | 0 | libcerror_error_set( |
1757 | 0 | error, |
1758 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1759 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1760 | 0 | "%s: invalid file.", |
1761 | 0 | function ); |
1762 | |
|
1763 | 0 | return( -1 ); |
1764 | 0 | } |
1765 | 596 | if( internal_file->io_handle == NULL ) |
1766 | 0 | { |
1767 | 0 | libcerror_error_set( |
1768 | 0 | error, |
1769 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1770 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1771 | 0 | "%s: invalid file - missing IO handle.", |
1772 | 0 | function ); |
1773 | |
|
1774 | 0 | return( -1 ); |
1775 | 0 | } |
1776 | 596 | if( internal_file->metadata_values != NULL ) |
1777 | 0 | { |
1778 | 0 | libcerror_error_set( |
1779 | 0 | error, |
1780 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1781 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1782 | 0 | "%s: invalid file - metadata values already set.", |
1783 | 0 | function ); |
1784 | |
|
1785 | 0 | return( -1 ); |
1786 | 0 | } |
1787 | 596 | if( libvhdi_region_table_get_entry_by_type_identifier( |
1788 | 596 | internal_file->region_table, |
1789 | 596 | libvhdi_region_type_identifier_metadata_table, |
1790 | 596 | ®ion_table_entry, |
1791 | 596 | error ) != 1 ) |
1792 | 11 | { |
1793 | 11 | libcerror_error_set( |
1794 | 11 | error, |
1795 | 11 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1796 | 11 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1797 | 11 | "%s: unable to retrieve metadata region table entry.", |
1798 | 11 | function ); |
1799 | | |
1800 | 11 | goto on_error; |
1801 | 11 | } |
1802 | 585 | if( region_table_entry == NULL ) |
1803 | 0 | { |
1804 | 0 | libcerror_error_set( |
1805 | 0 | error, |
1806 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1807 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1808 | 0 | "%s: missing metadata region table entry.", |
1809 | 0 | function ); |
1810 | |
|
1811 | 0 | goto on_error; |
1812 | 0 | } |
1813 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1814 | | if( libcnotify_verbose != 0 ) |
1815 | | { |
1816 | | libcnotify_printf( |
1817 | | "Reading metadata values:\n" ); |
1818 | | } |
1819 | | #endif |
1820 | 585 | if( libvhdi_metadata_values_initialize( |
1821 | 585 | &( internal_file->metadata_values ), |
1822 | 585 | error ) != 1 ) |
1823 | 0 | { |
1824 | 0 | libcerror_error_set( |
1825 | 0 | error, |
1826 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1827 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1828 | 0 | "%s: unable to create metadata values.", |
1829 | 0 | function ); |
1830 | |
|
1831 | 0 | goto on_error; |
1832 | 0 | } |
1833 | 585 | if( libvhdi_metadata_values_read_file_io_handle( |
1834 | 585 | internal_file->metadata_values, |
1835 | 585 | file_io_handle, |
1836 | 585 | region_table_entry->data_offset, |
1837 | 585 | error ) != 1 ) |
1838 | 571 | { |
1839 | 571 | libcerror_error_set( |
1840 | 571 | error, |
1841 | 571 | LIBCERROR_ERROR_DOMAIN_IO, |
1842 | 571 | LIBCERROR_IO_ERROR_READ_FAILED, |
1843 | 571 | "%s: unable to read metadata values.", |
1844 | 571 | function ); |
1845 | | |
1846 | 571 | goto on_error; |
1847 | 571 | } |
1848 | 14 | internal_file->io_handle->disk_type = internal_file->metadata_values->disk_type; |
1849 | 14 | internal_file->io_handle->media_size = internal_file->metadata_values->virtual_disk_size; |
1850 | 14 | internal_file->io_handle->bytes_per_sector = internal_file->metadata_values->logical_sector_size; |
1851 | 14 | internal_file->io_handle->block_size = internal_file->metadata_values->block_size; |
1852 | | |
1853 | 14 | return( 1 ); |
1854 | | |
1855 | 582 | on_error: |
1856 | 582 | if( internal_file->metadata_values != NULL ) |
1857 | 571 | { |
1858 | 571 | libvhdi_metadata_values_free( |
1859 | 571 | &( internal_file->metadata_values ), |
1860 | 571 | NULL ); |
1861 | 571 | } |
1862 | 582 | return( -1 ); |
1863 | 585 | } |
1864 | | |
1865 | | /* Reads the VHD or VHDX block allocation table on open |
1866 | | * Returns 1 if successful or -1 on error |
1867 | | */ |
1868 | | int libvhdi_internal_file_open_read_block_allocation_table( |
1869 | | libvhdi_internal_file_t *internal_file, |
1870 | | libbfio_handle_t *file_io_handle, |
1871 | | libcerror_error_t **error ) |
1872 | 117 | { |
1873 | 117 | libvhdi_region_table_entry_t *region_table_entry = NULL; |
1874 | 117 | static char *function = "libvhdi_internal_file_open_read_block_allocation_table"; |
1875 | 117 | off64_t block_allocation_table_offset = 0; |
1876 | 117 | uint32_t number_of_entries = 0; |
1877 | 117 | int segment_index = 0; |
1878 | | |
1879 | 117 | if( internal_file == NULL ) |
1880 | 0 | { |
1881 | 0 | libcerror_error_set( |
1882 | 0 | error, |
1883 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1884 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1885 | 0 | "%s: invalid file.", |
1886 | 0 | function ); |
1887 | |
|
1888 | 0 | return( -1 ); |
1889 | 0 | } |
1890 | 117 | if( internal_file->io_handle == NULL ) |
1891 | 0 | { |
1892 | 0 | libcerror_error_set( |
1893 | 0 | error, |
1894 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1895 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1896 | 0 | "%s: invalid file - missing IO handle.", |
1897 | 0 | function ); |
1898 | |
|
1899 | 0 | return( -1 ); |
1900 | 0 | } |
1901 | 117 | if( internal_file->block_allocation_table != NULL ) |
1902 | 0 | { |
1903 | 0 | libcerror_error_set( |
1904 | 0 | error, |
1905 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1906 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1907 | 0 | "%s: invalid file - block allocation table already set.", |
1908 | 0 | function ); |
1909 | |
|
1910 | 0 | return( -1 ); |
1911 | 0 | } |
1912 | 117 | if( internal_file->block_descriptors_vector != NULL ) |
1913 | 0 | { |
1914 | 0 | libcerror_error_set( |
1915 | 0 | error, |
1916 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1917 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1918 | 0 | "%s: invalid file - block descriptors vector already set.", |
1919 | 0 | function ); |
1920 | |
|
1921 | 0 | return( -1 ); |
1922 | 0 | } |
1923 | 117 | if( internal_file->block_descriptors_cache != NULL ) |
1924 | 0 | { |
1925 | 0 | libcerror_error_set( |
1926 | 0 | error, |
1927 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1928 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1929 | 0 | "%s: invalid file - block descriptors cache already set.", |
1930 | 0 | function ); |
1931 | |
|
1932 | 0 | return( -1 ); |
1933 | 0 | } |
1934 | 117 | if( ( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHD ) |
1935 | 117 | && ( internal_file->io_handle->disk_type == LIBVHDI_DISK_TYPE_FIXED ) ) |
1936 | 1 | { |
1937 | 1 | return( 1 ); |
1938 | 1 | } |
1939 | 116 | if( internal_file->io_handle->block_size == 0 ) |
1940 | 8 | { |
1941 | 8 | libcerror_error_set( |
1942 | 8 | error, |
1943 | 8 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1944 | 8 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1945 | 8 | "%s: invalid file - invalid IO handle - missing block size.", |
1946 | 8 | function ); |
1947 | | |
1948 | 8 | goto on_error; |
1949 | 8 | } |
1950 | 108 | if( internal_file->dynamic_disk_header != NULL ) |
1951 | 102 | { |
1952 | 102 | block_allocation_table_offset = internal_file->dynamic_disk_header->block_table_offset; |
1953 | 102 | number_of_entries = internal_file->dynamic_disk_header->number_of_blocks; |
1954 | 102 | } |
1955 | 6 | else |
1956 | 6 | { |
1957 | 6 | if( internal_file->metadata_values == NULL ) |
1958 | 0 | { |
1959 | 0 | libcerror_error_set( |
1960 | 0 | error, |
1961 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1962 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1963 | 0 | "%s: invalid file - missing IO handle.", |
1964 | 0 | function ); |
1965 | |
|
1966 | 0 | return( -1 ); |
1967 | 0 | } |
1968 | 6 | if( libvhdi_region_table_get_entry_by_type_identifier( |
1969 | 6 | internal_file->region_table, |
1970 | 6 | libvhdi_region_type_identifier_block_allocation_table, |
1971 | 6 | ®ion_table_entry, |
1972 | 6 | error ) != 1 ) |
1973 | 6 | { |
1974 | 6 | libcerror_error_set( |
1975 | 6 | error, |
1976 | 6 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1977 | 6 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1978 | 6 | "%s: unable to retrieve block allocation table (BAT) region table entry.", |
1979 | 6 | function ); |
1980 | | |
1981 | 6 | goto on_error; |
1982 | 6 | } |
1983 | 0 | if( region_table_entry == NULL ) |
1984 | 0 | { |
1985 | 0 | libcerror_error_set( |
1986 | 0 | error, |
1987 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1988 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1989 | 0 | "%s: missing metadata region table entry.", |
1990 | 0 | function ); |
1991 | |
|
1992 | 0 | goto on_error; |
1993 | 0 | } |
1994 | 0 | block_allocation_table_offset = region_table_entry->data_offset; |
1995 | |
|
1996 | 0 | number_of_entries = internal_file->io_handle->media_size / internal_file->io_handle->block_size; |
1997 | |
|
1998 | 0 | if( ( internal_file->io_handle->media_size % internal_file->io_handle->block_size ) != 0 ) |
1999 | 0 | { |
2000 | 0 | number_of_entries++; |
2001 | 0 | } |
2002 | 0 | } |
2003 | 102 | if( libvhdi_block_allocation_table_initialize( |
2004 | 102 | &( internal_file->block_allocation_table ), |
2005 | 102 | number_of_entries, |
2006 | 102 | error ) != 1 ) |
2007 | 1 | { |
2008 | 1 | libcerror_error_set( |
2009 | 1 | error, |
2010 | 1 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2011 | 1 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2012 | 1 | "%s: unable to create block allocation table.", |
2013 | 1 | function ); |
2014 | | |
2015 | 1 | goto on_error; |
2016 | 1 | } |
2017 | 101 | if( libvhdi_block_allocation_table_read_file_io_handle( |
2018 | 101 | internal_file->block_allocation_table, |
2019 | 101 | file_io_handle, |
2020 | 101 | internal_file->io_handle->file_type, |
2021 | 101 | internal_file->io_handle->disk_type, |
2022 | 101 | block_allocation_table_offset, |
2023 | 101 | internal_file->io_handle->block_size, |
2024 | 101 | internal_file->io_handle->bytes_per_sector, |
2025 | 101 | error ) != 1 ) |
2026 | 0 | { |
2027 | 0 | libcerror_error_set( |
2028 | 0 | error, |
2029 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2030 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2031 | 0 | "%s: unable to read block allocation table.", |
2032 | 0 | function ); |
2033 | |
|
2034 | 0 | goto on_error; |
2035 | 0 | } |
2036 | 101 | if( libfdata_vector_initialize( |
2037 | 101 | &( internal_file->block_descriptors_vector ), |
2038 | 101 | (size64_t) internal_file->io_handle->block_size, |
2039 | 101 | (intptr_t *) internal_file->block_allocation_table, |
2040 | 101 | NULL, |
2041 | 101 | NULL, |
2042 | 101 | (int (*)(intptr_t *, intptr_t *, libfdata_vector_t *, libfdata_cache_t *, int, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libvhdi_block_allocation_table_read_element_data, |
2043 | 101 | NULL, |
2044 | 101 | LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED, |
2045 | 101 | error ) != 1 ) |
2046 | 0 | { |
2047 | 0 | libcerror_error_set( |
2048 | 0 | error, |
2049 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2050 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2051 | 0 | "%s: unable to create block descriptors vector.", |
2052 | 0 | function ); |
2053 | |
|
2054 | 0 | goto on_error; |
2055 | 0 | } |
2056 | 101 | if( libfdata_vector_append_segment( |
2057 | 101 | internal_file->block_descriptors_vector, |
2058 | 101 | &segment_index, |
2059 | 101 | 0, |
2060 | 101 | 0, |
2061 | 101 | internal_file->io_handle->media_size, |
2062 | 101 | 0, |
2063 | 101 | error ) != 1 ) |
2064 | 85 | { |
2065 | 85 | libcerror_error_set( |
2066 | 85 | error, |
2067 | 85 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2068 | 85 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
2069 | 85 | "%s: unable to append segment to data block descriptors vector.", |
2070 | 85 | function ); |
2071 | | |
2072 | 85 | goto on_error; |
2073 | 85 | } |
2074 | 16 | if( libfcache_cache_initialize( |
2075 | 16 | &( internal_file->block_descriptors_cache ), |
2076 | 16 | LIBVHDI_MAXIMUM_CACHE_ENTRIES_BLOCK_DESCRIPTORS, |
2077 | 16 | error ) != 1 ) |
2078 | 0 | { |
2079 | 0 | libcerror_error_set( |
2080 | 0 | error, |
2081 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2082 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2083 | 0 | "%s: unable to create block descriptors cache.", |
2084 | 0 | function ); |
2085 | |
|
2086 | 0 | goto on_error; |
2087 | 0 | } |
2088 | 16 | return( 1 ); |
2089 | | |
2090 | 100 | on_error: |
2091 | 100 | if( internal_file->block_descriptors_vector != NULL ) |
2092 | 85 | { |
2093 | 85 | libfdata_vector_free( |
2094 | 85 | &( internal_file->block_descriptors_vector ), |
2095 | 85 | NULL ); |
2096 | 85 | } |
2097 | 100 | if( internal_file->block_allocation_table != NULL ) |
2098 | 85 | { |
2099 | 85 | libvhdi_block_allocation_table_free( |
2100 | 85 | &( internal_file->block_allocation_table ), |
2101 | 85 | NULL ); |
2102 | 85 | } |
2103 | 100 | return( -1 ); |
2104 | 16 | } |
2105 | | |
2106 | | /* Reads (media) data from the current offset into a buffer using a Basic File IO (bfio) handle |
2107 | | * This function is not multi-thread safe acquire write lock before call |
2108 | | * Returns the number of bytes read or -1 on error |
2109 | | */ |
2110 | | ssize_t libvhdi_internal_file_read_buffer_from_file_io_handle( |
2111 | | libvhdi_internal_file_t *internal_file, |
2112 | | libbfio_handle_t *file_io_handle, |
2113 | | void *buffer, |
2114 | | size_t buffer_size, |
2115 | | libcerror_error_t **error ) |
2116 | 0 | { |
2117 | 0 | libvhdi_block_descriptor_t *block_descriptor = NULL; |
2118 | 0 | libvhdi_sector_range_descriptor_t *sector_range_descriptor = NULL; |
2119 | 0 | static char *function = "libvhdi_internal_file_read_buffer_from_file_io_handle"; |
2120 | 0 | size_t buffer_offset = 0; |
2121 | 0 | size_t read_size = 0; |
2122 | 0 | ssize_t read_count = 0; |
2123 | 0 | off64_t sector_file_offset = 0; |
2124 | 0 | uint64_t block_number = 0; |
2125 | 0 | uint32_t block_data_offset = 0; |
2126 | 0 | uint32_t sector_range_flags = 0; |
2127 | |
|
2128 | 0 | if( internal_file == NULL ) |
2129 | 0 | { |
2130 | 0 | libcerror_error_set( |
2131 | 0 | error, |
2132 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2133 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2134 | 0 | "%s: invalid file.", |
2135 | 0 | function ); |
2136 | |
|
2137 | 0 | return( -1 ); |
2138 | 0 | } |
2139 | 0 | if( internal_file->io_handle == NULL ) |
2140 | 0 | { |
2141 | 0 | libcerror_error_set( |
2142 | 0 | error, |
2143 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2144 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2145 | 0 | "%s: invalid file - missing IO handle.", |
2146 | 0 | function ); |
2147 | |
|
2148 | 0 | return( -1 ); |
2149 | 0 | } |
2150 | 0 | if( internal_file->io_handle->bytes_per_sector == 0 ) |
2151 | 0 | { |
2152 | 0 | libcerror_error_set( |
2153 | 0 | error, |
2154 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2155 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2156 | 0 | "%s: invalid file - invalid IO handle - missing bytes per sector.", |
2157 | 0 | function ); |
2158 | |
|
2159 | 0 | return( -1 ); |
2160 | 0 | } |
2161 | 0 | if( internal_file->block_allocation_table != NULL ) |
2162 | 0 | { |
2163 | 0 | if( internal_file->io_handle->block_size == 0 ) |
2164 | 0 | { |
2165 | 0 | libcerror_error_set( |
2166 | 0 | error, |
2167 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2168 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2169 | 0 | "%s: invalid file - invalid IO handle - missing block size.", |
2170 | 0 | function ); |
2171 | |
|
2172 | 0 | return( -1 ); |
2173 | 0 | } |
2174 | 0 | } |
2175 | 0 | if( internal_file->io_handle->disk_type == LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
2176 | 0 | { |
2177 | 0 | if( internal_file->parent_file == NULL ) |
2178 | 0 | { |
2179 | 0 | libcerror_error_set( |
2180 | 0 | error, |
2181 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2182 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2183 | 0 | "%s: invalid file - missing parent file.", |
2184 | 0 | function ); |
2185 | |
|
2186 | 0 | return( -1 ); |
2187 | 0 | } |
2188 | 0 | } |
2189 | 0 | if( internal_file->current_offset < 0 ) |
2190 | 0 | { |
2191 | 0 | libcerror_error_set( |
2192 | 0 | error, |
2193 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2194 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2195 | 0 | "%s: invalid file - invalid IO handle - current offset value out of bounds.", |
2196 | 0 | function ); |
2197 | |
|
2198 | 0 | return( -1 ); |
2199 | 0 | } |
2200 | 0 | if( buffer == NULL ) |
2201 | 0 | { |
2202 | 0 | libcerror_error_set( |
2203 | 0 | error, |
2204 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2205 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2206 | 0 | "%s: invalid buffer.", |
2207 | 0 | function ); |
2208 | |
|
2209 | 0 | return( -1 ); |
2210 | 0 | } |
2211 | 0 | if( buffer_size > (size_t) SSIZE_MAX ) |
2212 | 0 | { |
2213 | 0 | libcerror_error_set( |
2214 | 0 | error, |
2215 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2216 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2217 | 0 | "%s: invalid element data size value exceeds maximum.", |
2218 | 0 | function ); |
2219 | |
|
2220 | 0 | return( -1 ); |
2221 | 0 | } |
2222 | 0 | if( (size64_t) internal_file->current_offset >= internal_file->io_handle->media_size ) |
2223 | 0 | { |
2224 | 0 | return( 0 ); |
2225 | 0 | } |
2226 | 0 | while( buffer_offset < buffer_size ) |
2227 | 0 | { |
2228 | 0 | read_size = buffer_size - buffer_offset; |
2229 | |
|
2230 | 0 | if( internal_file->block_allocation_table == NULL ) |
2231 | 0 | { |
2232 | 0 | sector_file_offset = internal_file->current_offset; |
2233 | 0 | sector_range_flags = 0; |
2234 | 0 | } |
2235 | 0 | else |
2236 | 0 | { |
2237 | 0 | block_number = internal_file->current_offset / internal_file->io_handle->block_size; |
2238 | 0 | block_data_offset = (uint32_t) ( internal_file->current_offset % internal_file->io_handle->block_size ); |
2239 | |
|
2240 | 0 | if( libfdata_vector_get_element_value_by_index( |
2241 | 0 | internal_file->block_descriptors_vector, |
2242 | 0 | (intptr_t *) file_io_handle, |
2243 | 0 | (libfdata_cache_t *) internal_file->block_descriptors_cache, |
2244 | 0 | block_number, |
2245 | 0 | (intptr_t **) &block_descriptor, |
2246 | 0 | 0, |
2247 | 0 | error ) != 1 ) |
2248 | 0 | { |
2249 | 0 | libcerror_error_set( |
2250 | 0 | error, |
2251 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2252 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2253 | 0 | "%s: unable to retrieve block descriptor: %" PRIu64 ".", |
2254 | 0 | function, |
2255 | 0 | block_number ); |
2256 | |
|
2257 | 0 | return( -1 ); |
2258 | 0 | } |
2259 | 0 | if( block_descriptor == NULL ) |
2260 | 0 | { |
2261 | 0 | libcerror_error_set( |
2262 | 0 | error, |
2263 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2264 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2265 | 0 | "%s: missing block descriptor: %" PRIu64 ".", |
2266 | 0 | function, |
2267 | 0 | block_number ); |
2268 | |
|
2269 | 0 | return( -1 ); |
2270 | 0 | } |
2271 | 0 | if( libvhdi_block_descriptor_get_sector_range_descriptor_at_offset( |
2272 | 0 | block_descriptor, |
2273 | 0 | block_data_offset, |
2274 | 0 | §or_range_descriptor, |
2275 | 0 | error ) != 1 ) |
2276 | 0 | { |
2277 | 0 | libcerror_error_set( |
2278 | 0 | error, |
2279 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2280 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2281 | 0 | "%s: unable to retrieve sector range for offset: %" PRIi64 " (0x%08" PRIx64 ").", |
2282 | 0 | function, |
2283 | 0 | block_data_offset, |
2284 | 0 | block_data_offset ); |
2285 | |
|
2286 | 0 | return( -1 ); |
2287 | 0 | } |
2288 | 0 | if( sector_range_descriptor == NULL ) |
2289 | 0 | { |
2290 | 0 | libcerror_error_set( |
2291 | 0 | error, |
2292 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2293 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2294 | 0 | "%s: missing sector range descriptor for offset: %" PRIi64 " (0x%08" PRIx64 ").", |
2295 | 0 | function, |
2296 | 0 | function, |
2297 | 0 | block_data_offset, |
2298 | 0 | block_data_offset ); |
2299 | |
|
2300 | 0 | return( -1 ); |
2301 | 0 | } |
2302 | 0 | sector_file_offset = block_descriptor->file_offset; |
2303 | |
|
2304 | 0 | if( sector_file_offset > -1 ) |
2305 | 0 | { |
2306 | 0 | sector_file_offset += block_data_offset; |
2307 | 0 | } |
2308 | 0 | sector_range_flags = sector_range_descriptor->flags; |
2309 | |
|
2310 | 0 | if( (off64_t) read_size > ( sector_range_descriptor->end_offset - block_data_offset ) ) |
2311 | 0 | { |
2312 | 0 | read_size = (size_t) ( sector_range_descriptor->end_offset - block_data_offset ); |
2313 | 0 | } |
2314 | 0 | } |
2315 | 0 | if( ( (size64_t) read_size > internal_file->io_handle->media_size ) |
2316 | 0 | || ( (size64_t) internal_file->current_offset > ( internal_file->io_handle->media_size - read_size ) ) ) |
2317 | 0 | { |
2318 | 0 | read_size = (size_t) ( internal_file->io_handle->media_size - internal_file->current_offset ); |
2319 | 0 | } |
2320 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2321 | | if( libcnotify_verbose != 0 ) |
2322 | | { |
2323 | | libcnotify_printf( |
2324 | | "%s: requested offset\t\t: %" PRIi64 " (0x%08" PRIx64 ")\n", |
2325 | | function, |
2326 | | internal_file->current_offset, |
2327 | | internal_file->current_offset ); |
2328 | | |
2329 | | libcnotify_printf( |
2330 | | "%s: sector file offset\t: %" PRIi64 " (0x%08" PRIx64 ") %s\n", |
2331 | | function, |
2332 | | sector_file_offset, |
2333 | | sector_file_offset, |
2334 | | ( sector_range_flags & LIBFDATA_SECTOR_RANGE_FLAG_IS_UNALLOCATED ) == 0 ? "allocated" : "unallocated" ); |
2335 | | |
2336 | | libcnotify_printf( |
2337 | | "%s: read size\t\t: %" PRIzd "\n", |
2338 | | function, |
2339 | | read_size ); |
2340 | | |
2341 | | libcnotify_printf( |
2342 | | "\n" ); |
2343 | | } |
2344 | | #endif /* defined( HAVE_DEBUG_OUTPUT ) */ |
2345 | |
|
2346 | 0 | if( ( sector_range_flags & LIBFDATA_SECTOR_RANGE_FLAG_IS_UNALLOCATED ) == 0 ) |
2347 | 0 | { |
2348 | 0 | read_count = libbfio_handle_read_buffer_at_offset( |
2349 | 0 | file_io_handle, |
2350 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
2351 | 0 | read_size, |
2352 | 0 | sector_file_offset, |
2353 | 0 | error ); |
2354 | |
|
2355 | 0 | if( read_count != (ssize_t) read_size ) |
2356 | 0 | { |
2357 | 0 | libcerror_error_set( |
2358 | 0 | error, |
2359 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2360 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2361 | 0 | "%s: unable to read sector data at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
2362 | 0 | function, |
2363 | 0 | sector_file_offset, |
2364 | 0 | sector_file_offset ); |
2365 | |
|
2366 | 0 | return( -1 ); |
2367 | 0 | } |
2368 | 0 | } |
2369 | 0 | else if( internal_file->parent_file == NULL ) |
2370 | 0 | { |
2371 | | /* Sparse block |
2372 | | */ |
2373 | 0 | if( memory_set( |
2374 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
2375 | 0 | 0, |
2376 | 0 | read_size ) == NULL ) |
2377 | 0 | { |
2378 | 0 | libcerror_error_set( |
2379 | 0 | error, |
2380 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2381 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2382 | 0 | "%s: unable to set sparse data in buffer.", |
2383 | 0 | function ); |
2384 | |
|
2385 | 0 | return( -1 ); |
2386 | 0 | } |
2387 | 0 | } |
2388 | 0 | else |
2389 | 0 | { |
2390 | 0 | read_count = libvhdi_file_read_buffer_at_offset( |
2391 | 0 | internal_file->parent_file, |
2392 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
2393 | 0 | read_size, |
2394 | 0 | internal_file->current_offset, |
2395 | 0 | error ); |
2396 | |
|
2397 | 0 | if( read_count != (ssize_t) read_size ) |
2398 | 0 | { |
2399 | 0 | libcerror_error_set( |
2400 | 0 | error, |
2401 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2402 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2403 | 0 | "%s: unable to read data from parent file.", |
2404 | 0 | function ); |
2405 | |
|
2406 | 0 | return( -1 ); |
2407 | 0 | } |
2408 | 0 | } |
2409 | 0 | internal_file->current_offset += read_size; |
2410 | |
|
2411 | 0 | buffer_offset += read_size; |
2412 | |
|
2413 | 0 | if( (size64_t) internal_file->current_offset >= internal_file->io_handle->media_size ) |
2414 | 0 | { |
2415 | 0 | break; |
2416 | 0 | } |
2417 | 0 | } |
2418 | 0 | return( (ssize_t) buffer_offset ); |
2419 | 0 | } |
2420 | | |
2421 | | /* Reads (media) data from the current offset into a buffer |
2422 | | * Returns the number of bytes read or -1 on error |
2423 | | */ |
2424 | | ssize_t libvhdi_file_read_buffer( |
2425 | | libvhdi_file_t *file, |
2426 | | void *buffer, |
2427 | | size_t buffer_size, |
2428 | | libcerror_error_t **error ) |
2429 | 0 | { |
2430 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
2431 | 0 | static char *function = "libvhdi_file_read_buffer"; |
2432 | 0 | ssize_t read_count = 0; |
2433 | |
|
2434 | 0 | if( file == NULL ) |
2435 | 0 | { |
2436 | 0 | libcerror_error_set( |
2437 | 0 | error, |
2438 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2439 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2440 | 0 | "%s: invalid file.", |
2441 | 0 | function ); |
2442 | |
|
2443 | 0 | return( -1 ); |
2444 | 0 | } |
2445 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
2446 | |
|
2447 | 0 | if( internal_file->file_io_handle == NULL ) |
2448 | 0 | { |
2449 | 0 | libcerror_error_set( |
2450 | 0 | error, |
2451 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2452 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2453 | 0 | "%s: invalid file - missing file IO handle.", |
2454 | 0 | function ); |
2455 | |
|
2456 | 0 | return( -1 ); |
2457 | 0 | } |
2458 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2459 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2460 | 0 | internal_file->read_write_lock, |
2461 | 0 | error ) != 1 ) |
2462 | 0 | { |
2463 | 0 | libcerror_error_set( |
2464 | 0 | error, |
2465 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2466 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2467 | 0 | "%s: unable to grab read/write lock for writing.", |
2468 | 0 | function ); |
2469 | |
|
2470 | 0 | return( -1 ); |
2471 | 0 | } |
2472 | 0 | #endif |
2473 | 0 | read_count = libvhdi_internal_file_read_buffer_from_file_io_handle( |
2474 | 0 | internal_file, |
2475 | 0 | internal_file->file_io_handle, |
2476 | 0 | buffer, |
2477 | 0 | buffer_size, |
2478 | 0 | error ); |
2479 | |
|
2480 | 0 | if( read_count == -1 ) |
2481 | 0 | { |
2482 | 0 | libcerror_error_set( |
2483 | 0 | error, |
2484 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2485 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2486 | 0 | "%s: unable to read buffer.", |
2487 | 0 | function ); |
2488 | |
|
2489 | 0 | read_count = -1; |
2490 | 0 | } |
2491 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2492 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2493 | 0 | internal_file->read_write_lock, |
2494 | 0 | error ) != 1 ) |
2495 | 0 | { |
2496 | 0 | libcerror_error_set( |
2497 | 0 | error, |
2498 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2499 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2500 | 0 | "%s: unable to release read/write lock for writing.", |
2501 | 0 | function ); |
2502 | |
|
2503 | 0 | return( -1 ); |
2504 | 0 | } |
2505 | 0 | #endif |
2506 | 0 | return( read_count ); |
2507 | 0 | } |
2508 | | |
2509 | | /* Reads (media) data at a specific offset |
2510 | | * Returns the number of bytes read or -1 on error |
2511 | | */ |
2512 | | ssize_t libvhdi_file_read_buffer_at_offset( |
2513 | | libvhdi_file_t *file, |
2514 | | void *buffer, |
2515 | | size_t buffer_size, |
2516 | | off64_t offset, |
2517 | | libcerror_error_t **error ) |
2518 | 0 | { |
2519 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
2520 | 0 | static char *function = "libvhdi_file_read_buffer_at_offset"; |
2521 | 0 | ssize_t read_count = 0; |
2522 | |
|
2523 | 0 | if( file == NULL ) |
2524 | 0 | { |
2525 | 0 | libcerror_error_set( |
2526 | 0 | error, |
2527 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2528 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2529 | 0 | "%s: invalid file.", |
2530 | 0 | function ); |
2531 | |
|
2532 | 0 | return( -1 ); |
2533 | 0 | } |
2534 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
2535 | |
|
2536 | 0 | if( internal_file->file_io_handle == NULL ) |
2537 | 0 | { |
2538 | 0 | libcerror_error_set( |
2539 | 0 | error, |
2540 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2541 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2542 | 0 | "%s: invalid file - missing file IO handle.", |
2543 | 0 | function ); |
2544 | |
|
2545 | 0 | return( -1 ); |
2546 | 0 | } |
2547 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2548 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2549 | 0 | internal_file->read_write_lock, |
2550 | 0 | error ) != 1 ) |
2551 | 0 | { |
2552 | 0 | libcerror_error_set( |
2553 | 0 | error, |
2554 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2555 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2556 | 0 | "%s: unable to grab read/write lock for writing.", |
2557 | 0 | function ); |
2558 | |
|
2559 | 0 | return( -1 ); |
2560 | 0 | } |
2561 | 0 | #endif |
2562 | 0 | if( libvhdi_internal_file_seek_offset( |
2563 | 0 | internal_file, |
2564 | 0 | offset, |
2565 | 0 | SEEK_SET, |
2566 | 0 | error ) == -1 ) |
2567 | 0 | { |
2568 | 0 | libcerror_error_set( |
2569 | 0 | error, |
2570 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2571 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
2572 | 0 | "%s: unable to seek offset.", |
2573 | 0 | function ); |
2574 | |
|
2575 | 0 | read_count = -1; |
2576 | 0 | } |
2577 | 0 | else |
2578 | 0 | { |
2579 | 0 | read_count = libvhdi_internal_file_read_buffer_from_file_io_handle( |
2580 | 0 | internal_file, |
2581 | 0 | internal_file->file_io_handle, |
2582 | 0 | buffer, |
2583 | 0 | buffer_size, |
2584 | 0 | error ); |
2585 | |
|
2586 | 0 | if( read_count == -1 ) |
2587 | 0 | { |
2588 | 0 | libcerror_error_set( |
2589 | 0 | error, |
2590 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2591 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2592 | 0 | "%s: unable to read buffer.", |
2593 | 0 | function ); |
2594 | |
|
2595 | 0 | read_count = -1; |
2596 | 0 | } |
2597 | 0 | } |
2598 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2599 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2600 | 0 | internal_file->read_write_lock, |
2601 | 0 | error ) != 1 ) |
2602 | 0 | { |
2603 | 0 | libcerror_error_set( |
2604 | 0 | error, |
2605 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2606 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2607 | 0 | "%s: unable to release read/write lock for writing.", |
2608 | 0 | function ); |
2609 | |
|
2610 | 0 | return( -1 ); |
2611 | 0 | } |
2612 | 0 | #endif |
2613 | 0 | return( read_count ); |
2614 | 0 | } |
2615 | | |
2616 | | /* Seeks a certain offset of the (media) data |
2617 | | * This function is not multi-thread safe acquire write lock before call |
2618 | | * Returns the offset if seek is successful or -1 on error |
2619 | | */ |
2620 | | off64_t libvhdi_internal_file_seek_offset( |
2621 | | libvhdi_internal_file_t *internal_file, |
2622 | | off64_t offset, |
2623 | | int whence, |
2624 | | libcerror_error_t **error ) |
2625 | 0 | { |
2626 | 0 | static char *function = "libvhdi_internal_file_seek_offset"; |
2627 | |
|
2628 | 0 | if( internal_file == NULL ) |
2629 | 0 | { |
2630 | 0 | libcerror_error_set( |
2631 | 0 | error, |
2632 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2633 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2634 | 0 | "%s: invalid file.", |
2635 | 0 | function ); |
2636 | |
|
2637 | 0 | return( -1 ); |
2638 | 0 | } |
2639 | 0 | if( internal_file->io_handle == NULL ) |
2640 | 0 | { |
2641 | 0 | libcerror_error_set( |
2642 | 0 | error, |
2643 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2644 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2645 | 0 | "%s: invalid file - missing IO handle.", |
2646 | 0 | function ); |
2647 | |
|
2648 | 0 | return( -1 ); |
2649 | 0 | } |
2650 | 0 | if( internal_file->io_handle->disk_type == LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
2651 | 0 | { |
2652 | 0 | if( internal_file->parent_file == NULL ) |
2653 | 0 | { |
2654 | 0 | libcerror_error_set( |
2655 | 0 | error, |
2656 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2657 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2658 | 0 | "%s: invalid file - missing parent file.", |
2659 | 0 | function ); |
2660 | |
|
2661 | 0 | return( -1 ); |
2662 | 0 | } |
2663 | 0 | } |
2664 | 0 | if( ( whence != SEEK_CUR ) |
2665 | 0 | && ( whence != SEEK_END ) |
2666 | 0 | && ( whence != SEEK_SET ) ) |
2667 | 0 | { |
2668 | 0 | libcerror_error_set( |
2669 | 0 | error, |
2670 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2671 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2672 | 0 | "%s: unsupported whence.", |
2673 | 0 | function ); |
2674 | |
|
2675 | 0 | return( -1 ); |
2676 | 0 | } |
2677 | 0 | if( whence == SEEK_CUR ) |
2678 | 0 | { |
2679 | 0 | offset += internal_file->current_offset; |
2680 | 0 | } |
2681 | 0 | else if( whence == SEEK_END ) |
2682 | 0 | { |
2683 | 0 | offset += (off64_t) internal_file->io_handle->media_size; |
2684 | 0 | } |
2685 | 0 | if( offset < 0 ) |
2686 | 0 | { |
2687 | 0 | libcerror_error_set( |
2688 | 0 | error, |
2689 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2690 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2691 | 0 | "%s: invalid offset value out of bounds.", |
2692 | 0 | function ); |
2693 | |
|
2694 | 0 | return( -1 ); |
2695 | 0 | } |
2696 | 0 | internal_file->current_offset = offset; |
2697 | |
|
2698 | 0 | return( offset ); |
2699 | 0 | } |
2700 | | |
2701 | | /* Seeks a certain offset of the (media) data |
2702 | | * Returns the offset if seek is successful or -1 on error |
2703 | | */ |
2704 | | off64_t libvhdi_file_seek_offset( |
2705 | | libvhdi_file_t *file, |
2706 | | off64_t offset, |
2707 | | int whence, |
2708 | | libcerror_error_t **error ) |
2709 | 0 | { |
2710 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
2711 | 0 | static char *function = "libvhdi_file_seek_offset"; |
2712 | |
|
2713 | 0 | if( file == NULL ) |
2714 | 0 | { |
2715 | 0 | libcerror_error_set( |
2716 | 0 | error, |
2717 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2718 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2719 | 0 | "%s: invalid file.", |
2720 | 0 | function ); |
2721 | |
|
2722 | 0 | return( -1 ); |
2723 | 0 | } |
2724 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
2725 | |
|
2726 | 0 | if( internal_file->file_io_handle == NULL ) |
2727 | 0 | { |
2728 | 0 | libcerror_error_set( |
2729 | 0 | error, |
2730 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2731 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2732 | 0 | "%s: invalid file - missing file IO handle.", |
2733 | 0 | function ); |
2734 | |
|
2735 | 0 | return( -1 ); |
2736 | 0 | } |
2737 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2738 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2739 | 0 | internal_file->read_write_lock, |
2740 | 0 | error ) != 1 ) |
2741 | 0 | { |
2742 | 0 | libcerror_error_set( |
2743 | 0 | error, |
2744 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2745 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2746 | 0 | "%s: unable to grab read/write lock for writing.", |
2747 | 0 | function ); |
2748 | |
|
2749 | 0 | return( -1 ); |
2750 | 0 | } |
2751 | 0 | #endif |
2752 | 0 | offset = libvhdi_internal_file_seek_offset( |
2753 | 0 | internal_file, |
2754 | 0 | offset, |
2755 | 0 | whence, |
2756 | 0 | error ); |
2757 | |
|
2758 | 0 | if( offset == -1 ) |
2759 | 0 | { |
2760 | 0 | libcerror_error_set( |
2761 | 0 | error, |
2762 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2763 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
2764 | 0 | "%s: unable to seek offset.", |
2765 | 0 | function ); |
2766 | |
|
2767 | 0 | offset = -1; |
2768 | 0 | } |
2769 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2770 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2771 | 0 | internal_file->read_write_lock, |
2772 | 0 | error ) != 1 ) |
2773 | 0 | { |
2774 | 0 | libcerror_error_set( |
2775 | 0 | error, |
2776 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2777 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2778 | 0 | "%s: unable to release read/write lock for writing.", |
2779 | 0 | function ); |
2780 | |
|
2781 | 0 | return( -1 ); |
2782 | 0 | } |
2783 | 0 | #endif |
2784 | 0 | return( offset ); |
2785 | 0 | } |
2786 | | |
2787 | | /* Retrieves the current offset of the (media) data |
2788 | | * Returns 1 if successful or -1 on error |
2789 | | */ |
2790 | | int libvhdi_file_get_offset( |
2791 | | libvhdi_file_t *file, |
2792 | | off64_t *offset, |
2793 | | libcerror_error_t **error ) |
2794 | 0 | { |
2795 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
2796 | 0 | static char *function = "libvhdi_file_get_offset"; |
2797 | |
|
2798 | 0 | if( file == NULL ) |
2799 | 0 | { |
2800 | 0 | libcerror_error_set( |
2801 | 0 | error, |
2802 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2803 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2804 | 0 | "%s: invalid file.", |
2805 | 0 | function ); |
2806 | |
|
2807 | 0 | return( -1 ); |
2808 | 0 | } |
2809 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
2810 | |
|
2811 | 0 | if( internal_file->io_handle == NULL ) |
2812 | 0 | { |
2813 | 0 | libcerror_error_set( |
2814 | 0 | error, |
2815 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2816 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2817 | 0 | "%s: invalid file - missing IO handle.", |
2818 | 0 | function ); |
2819 | |
|
2820 | 0 | return( -1 ); |
2821 | 0 | } |
2822 | 0 | if( internal_file->file_io_handle == NULL ) |
2823 | 0 | { |
2824 | 0 | libcerror_error_set( |
2825 | 0 | error, |
2826 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2827 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2828 | 0 | "%s: invalid file - missing file IO handle.", |
2829 | 0 | function ); |
2830 | |
|
2831 | 0 | return( -1 ); |
2832 | 0 | } |
2833 | 0 | if( offset == NULL ) |
2834 | 0 | { |
2835 | 0 | libcerror_error_set( |
2836 | 0 | error, |
2837 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2838 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2839 | 0 | "%s: invalid offset.", |
2840 | 0 | function ); |
2841 | |
|
2842 | 0 | return( -1 ); |
2843 | 0 | } |
2844 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2845 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2846 | 0 | internal_file->read_write_lock, |
2847 | 0 | error ) != 1 ) |
2848 | 0 | { |
2849 | 0 | libcerror_error_set( |
2850 | 0 | error, |
2851 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2852 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2853 | 0 | "%s: unable to grab read/write lock for reading.", |
2854 | 0 | function ); |
2855 | |
|
2856 | 0 | return( -1 ); |
2857 | 0 | } |
2858 | 0 | #endif |
2859 | 0 | *offset = internal_file->current_offset; |
2860 | |
|
2861 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2862 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2863 | 0 | internal_file->read_write_lock, |
2864 | 0 | error ) != 1 ) |
2865 | 0 | { |
2866 | 0 | libcerror_error_set( |
2867 | 0 | error, |
2868 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2869 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2870 | 0 | "%s: unable to release read/write lock for reading.", |
2871 | 0 | function ); |
2872 | |
|
2873 | 0 | return( -1 ); |
2874 | 0 | } |
2875 | 0 | #endif |
2876 | 0 | return( 1 ); |
2877 | 0 | } |
2878 | | |
2879 | | /* Sets the parent file of a differential image |
2880 | | * Returns 1 if successful or -1 on error |
2881 | | */ |
2882 | | int libvhdi_file_set_parent_file( |
2883 | | libvhdi_file_t *file, |
2884 | | libvhdi_file_t *parent_file, |
2885 | | libcerror_error_t **error ) |
2886 | 0 | { |
2887 | 0 | uint8_t identifier[ 16 ]; |
2888 | |
|
2889 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
2890 | 0 | uint8_t *parent_identifier = NULL; |
2891 | 0 | static char *function = "libvhdi_file_set_parent_file"; |
2892 | 0 | int result = 1; |
2893 | |
|
2894 | 0 | if( file == NULL ) |
2895 | 0 | { |
2896 | 0 | libcerror_error_set( |
2897 | 0 | error, |
2898 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2899 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2900 | 0 | "%s: invalid file.", |
2901 | 0 | function ); |
2902 | |
|
2903 | 0 | return( -1 ); |
2904 | 0 | } |
2905 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
2906 | |
|
2907 | 0 | if( internal_file->io_handle == NULL ) |
2908 | 0 | { |
2909 | 0 | libcerror_error_set( |
2910 | 0 | error, |
2911 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2912 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2913 | 0 | "%s: invalid file - missing IO handle.", |
2914 | 0 | function ); |
2915 | |
|
2916 | 0 | return( -1 ); |
2917 | 0 | } |
2918 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
2919 | 0 | { |
2920 | 0 | libcerror_error_set( |
2921 | 0 | error, |
2922 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2923 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2924 | 0 | "%s: invalid file - not a differential disk type.", |
2925 | 0 | function ); |
2926 | |
|
2927 | 0 | return( -1 ); |
2928 | 0 | } |
2929 | 0 | if( internal_file->parent_file != NULL ) |
2930 | 0 | { |
2931 | 0 | libcerror_error_set( |
2932 | 0 | error, |
2933 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2934 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2935 | 0 | "%s: invalid file - parent file already set.", |
2936 | 0 | function ); |
2937 | |
|
2938 | 0 | return( -1 ); |
2939 | 0 | } |
2940 | 0 | if( libvhdi_file_get_identifier( |
2941 | 0 | parent_file, |
2942 | 0 | identifier, |
2943 | 0 | 16, |
2944 | 0 | error ) != 1 ) |
2945 | 0 | { |
2946 | 0 | libcerror_error_set( |
2947 | 0 | error, |
2948 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2949 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2950 | 0 | "%s: unable to retrieve identifier from parent file.", |
2951 | 0 | function ); |
2952 | |
|
2953 | 0 | return( -1 ); |
2954 | 0 | } |
2955 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
2956 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2957 | 0 | internal_file->read_write_lock, |
2958 | 0 | error ) != 1 ) |
2959 | 0 | { |
2960 | 0 | libcerror_error_set( |
2961 | 0 | error, |
2962 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2963 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2964 | 0 | "%s: unable to grab read/write lock for writing.", |
2965 | 0 | function ); |
2966 | |
|
2967 | 0 | return( -1 ); |
2968 | 0 | } |
2969 | 0 | #endif |
2970 | 0 | if( internal_file->io_handle->disk_type == LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
2971 | 0 | { |
2972 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
2973 | 0 | { |
2974 | 0 | parent_identifier = internal_file->metadata_values->parent_identifier; |
2975 | 0 | } |
2976 | 0 | else |
2977 | 0 | { |
2978 | 0 | parent_identifier = internal_file->dynamic_disk_header->parent_identifier; |
2979 | 0 | } |
2980 | 0 | } |
2981 | 0 | if( parent_identifier == NULL ) |
2982 | 0 | { |
2983 | 0 | libcerror_error_set( |
2984 | 0 | error, |
2985 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2986 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2987 | 0 | "%s: missing parent identifier.", |
2988 | 0 | function ); |
2989 | |
|
2990 | 0 | result = -1; |
2991 | 0 | } |
2992 | 0 | else if( memory_compare( |
2993 | 0 | parent_identifier, |
2994 | 0 | identifier, |
2995 | 0 | 16 ) != 0 ) |
2996 | 0 | { |
2997 | 0 | libcerror_error_set( |
2998 | 0 | error, |
2999 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3000 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
3001 | 0 | "%s: mismatch in identifier.", |
3002 | 0 | function ); |
3003 | |
|
3004 | 0 | result = -1; |
3005 | 0 | } |
3006 | 0 | else |
3007 | 0 | { |
3008 | 0 | internal_file->parent_file = parent_file; |
3009 | 0 | } |
3010 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3011 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3012 | 0 | internal_file->read_write_lock, |
3013 | 0 | error ) != 1 ) |
3014 | 0 | { |
3015 | 0 | libcerror_error_set( |
3016 | 0 | error, |
3017 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3018 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3019 | 0 | "%s: unable to release read/write lock for writing.", |
3020 | 0 | function ); |
3021 | |
|
3022 | 0 | return( -1 ); |
3023 | 0 | } |
3024 | 0 | #endif |
3025 | 0 | return( result ); |
3026 | 0 | } |
3027 | | |
3028 | | /* Retrieves the file type |
3029 | | * Returns 1 if successful or -1 on error |
3030 | | */ |
3031 | | int libvhdi_file_get_file_type( |
3032 | | libvhdi_file_t *file, |
3033 | | int *file_type, |
3034 | | libcerror_error_t **error ) |
3035 | 0 | { |
3036 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3037 | 0 | static char *function = "libvhdi_file_get_file_type"; |
3038 | |
|
3039 | 0 | if( file == NULL ) |
3040 | 0 | { |
3041 | 0 | libcerror_error_set( |
3042 | 0 | error, |
3043 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3044 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3045 | 0 | "%s: invalid file.", |
3046 | 0 | function ); |
3047 | |
|
3048 | 0 | return( -1 ); |
3049 | 0 | } |
3050 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3051 | |
|
3052 | 0 | if( internal_file->io_handle == NULL ) |
3053 | 0 | { |
3054 | 0 | libcerror_error_set( |
3055 | 0 | error, |
3056 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3057 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3058 | 0 | "%s: invalid file - missing IO handle.", |
3059 | 0 | function ); |
3060 | |
|
3061 | 0 | return( -1 ); |
3062 | 0 | } |
3063 | 0 | if( file_type == NULL ) |
3064 | 0 | { |
3065 | 0 | libcerror_error_set( |
3066 | 0 | error, |
3067 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3068 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3069 | 0 | "%s: invalid file type.", |
3070 | 0 | function ); |
3071 | |
|
3072 | 0 | return( -1 ); |
3073 | 0 | } |
3074 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3075 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3076 | 0 | internal_file->read_write_lock, |
3077 | 0 | error ) != 1 ) |
3078 | 0 | { |
3079 | 0 | libcerror_error_set( |
3080 | 0 | error, |
3081 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3082 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3083 | 0 | "%s: unable to grab read/write lock for reading.", |
3084 | 0 | function ); |
3085 | |
|
3086 | 0 | return( -1 ); |
3087 | 0 | } |
3088 | 0 | #endif |
3089 | 0 | *file_type = internal_file->io_handle->file_type; |
3090 | |
|
3091 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3092 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3093 | 0 | internal_file->read_write_lock, |
3094 | 0 | error ) != 1 ) |
3095 | 0 | { |
3096 | 0 | libcerror_error_set( |
3097 | 0 | error, |
3098 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3099 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3100 | 0 | "%s: unable to release read/write lock for reading.", |
3101 | 0 | function ); |
3102 | |
|
3103 | 0 | return( -1 ); |
3104 | 0 | } |
3105 | 0 | #endif |
3106 | 0 | return( 1 ); |
3107 | 0 | } |
3108 | | |
3109 | | /* Retrieves the format version |
3110 | | * Returns 1 if successful or -1 on error |
3111 | | */ |
3112 | | int libvhdi_file_get_format_version( |
3113 | | libvhdi_file_t *file, |
3114 | | uint16_t *major_version, |
3115 | | uint16_t *minor_version, |
3116 | | libcerror_error_t **error ) |
3117 | 0 | { |
3118 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3119 | 0 | static char *function = "libvhdi_file_get_format_version"; |
3120 | 0 | int result = 0; |
3121 | |
|
3122 | 0 | if( file == NULL ) |
3123 | 0 | { |
3124 | 0 | libcerror_error_set( |
3125 | 0 | error, |
3126 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3127 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3128 | 0 | "%s: invalid file.", |
3129 | 0 | function ); |
3130 | |
|
3131 | 0 | return( -1 ); |
3132 | 0 | } |
3133 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3134 | |
|
3135 | 0 | if( internal_file->io_handle == NULL ) |
3136 | 0 | { |
3137 | 0 | libcerror_error_set( |
3138 | 0 | error, |
3139 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3140 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3141 | 0 | "%s: invalid file - missing IO handle.", |
3142 | 0 | function ); |
3143 | |
|
3144 | 0 | return( -1 ); |
3145 | 0 | } |
3146 | 0 | if( minor_version == NULL ) |
3147 | 0 | { |
3148 | 0 | libcerror_error_set( |
3149 | 0 | error, |
3150 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3151 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3152 | 0 | "%s: invalid minor version.", |
3153 | 0 | function ); |
3154 | |
|
3155 | 0 | return( -1 ); |
3156 | 0 | } |
3157 | 0 | *minor_version = 0; |
3158 | |
|
3159 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3160 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3161 | 0 | internal_file->read_write_lock, |
3162 | 0 | error ) != 1 ) |
3163 | 0 | { |
3164 | 0 | libcerror_error_set( |
3165 | 0 | error, |
3166 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3167 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3168 | 0 | "%s: unable to grab read/write lock for reading.", |
3169 | 0 | function ); |
3170 | |
|
3171 | 0 | return( -1 ); |
3172 | 0 | } |
3173 | 0 | #endif |
3174 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3175 | 0 | { |
3176 | 0 | result = libvhdi_image_header_get_format_version( |
3177 | 0 | internal_file->image_header, |
3178 | 0 | major_version, |
3179 | 0 | error ); |
3180 | 0 | } |
3181 | 0 | else |
3182 | 0 | { |
3183 | 0 | result = libvhdi_file_footer_get_format_version( |
3184 | 0 | internal_file->file_footer, |
3185 | 0 | major_version, |
3186 | 0 | minor_version, |
3187 | 0 | error ); |
3188 | 0 | } |
3189 | 0 | if( result != 1 ) |
3190 | 0 | { |
3191 | 0 | libcerror_error_set( |
3192 | 0 | error, |
3193 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3194 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3195 | 0 | "%s: unable to retrieve format version.", |
3196 | 0 | function ); |
3197 | |
|
3198 | 0 | result = -1; |
3199 | 0 | } |
3200 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3201 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3202 | 0 | internal_file->read_write_lock, |
3203 | 0 | error ) != 1 ) |
3204 | 0 | { |
3205 | 0 | libcerror_error_set( |
3206 | 0 | error, |
3207 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3208 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3209 | 0 | "%s: unable to release read/write lock for reading.", |
3210 | 0 | function ); |
3211 | |
|
3212 | 0 | return( -1 ); |
3213 | 0 | } |
3214 | 0 | #endif |
3215 | 0 | return( result ); |
3216 | 0 | } |
3217 | | |
3218 | | /* Retrieves the disk type |
3219 | | * Returns 1 if successful or -1 on error |
3220 | | */ |
3221 | | int libvhdi_file_get_disk_type( |
3222 | | libvhdi_file_t *file, |
3223 | | uint32_t *disk_type, |
3224 | | libcerror_error_t **error ) |
3225 | 0 | { |
3226 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3227 | 0 | static char *function = "libvhdi_file_get_disk_type"; |
3228 | 0 | int result = 1; |
3229 | |
|
3230 | 0 | if( file == NULL ) |
3231 | 0 | { |
3232 | 0 | libcerror_error_set( |
3233 | 0 | error, |
3234 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3235 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3236 | 0 | "%s: invalid file.", |
3237 | 0 | function ); |
3238 | |
|
3239 | 0 | return( -1 ); |
3240 | 0 | } |
3241 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3242 | |
|
3243 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3244 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3245 | 0 | internal_file->read_write_lock, |
3246 | 0 | error ) != 1 ) |
3247 | 0 | { |
3248 | 0 | libcerror_error_set( |
3249 | 0 | error, |
3250 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3251 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3252 | 0 | "%s: unable to grab read/write lock for reading.", |
3253 | 0 | function ); |
3254 | |
|
3255 | 0 | return( -1 ); |
3256 | 0 | } |
3257 | 0 | #endif |
3258 | 0 | if( libvhdi_io_handle_get_disk_type( |
3259 | 0 | internal_file->io_handle, |
3260 | 0 | disk_type, |
3261 | 0 | error ) != 1 ) |
3262 | 0 | { |
3263 | 0 | libcerror_error_set( |
3264 | 0 | error, |
3265 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3266 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3267 | 0 | "%s: unable to retrieve disk type.", |
3268 | 0 | function ); |
3269 | |
|
3270 | 0 | result = -1; |
3271 | 0 | } |
3272 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3273 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3274 | 0 | internal_file->read_write_lock, |
3275 | 0 | error ) != 1 ) |
3276 | 0 | { |
3277 | 0 | libcerror_error_set( |
3278 | 0 | error, |
3279 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3280 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3281 | 0 | "%s: unable to release read/write lock for reading.", |
3282 | 0 | function ); |
3283 | |
|
3284 | 0 | return( -1 ); |
3285 | 0 | } |
3286 | 0 | #endif |
3287 | 0 | return( result ); |
3288 | 0 | } |
3289 | | |
3290 | | /* Retrieves the media size |
3291 | | * Returns 1 if successful or -1 on error |
3292 | | */ |
3293 | | int libvhdi_file_get_media_size( |
3294 | | libvhdi_file_t *file, |
3295 | | size64_t *media_size, |
3296 | | libcerror_error_t **error ) |
3297 | 0 | { |
3298 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3299 | 0 | static char *function = "libvhdi_file_get_media_size"; |
3300 | |
|
3301 | 0 | if( file == NULL ) |
3302 | 0 | { |
3303 | 0 | libcerror_error_set( |
3304 | 0 | error, |
3305 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3306 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3307 | 0 | "%s: invalid file.", |
3308 | 0 | function ); |
3309 | |
|
3310 | 0 | return( -1 ); |
3311 | 0 | } |
3312 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3313 | |
|
3314 | 0 | if( internal_file->io_handle == NULL ) |
3315 | 0 | { |
3316 | 0 | libcerror_error_set( |
3317 | 0 | error, |
3318 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3319 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3320 | 0 | "%s: invalid file - missing IO handle.", |
3321 | 0 | function ); |
3322 | |
|
3323 | 0 | return( -1 ); |
3324 | 0 | } |
3325 | 0 | if( media_size == NULL ) |
3326 | 0 | { |
3327 | 0 | libcerror_error_set( |
3328 | 0 | error, |
3329 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3330 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3331 | 0 | "%s: invalid media size.", |
3332 | 0 | function ); |
3333 | |
|
3334 | 0 | return( -1 ); |
3335 | 0 | } |
3336 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3337 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3338 | 0 | internal_file->read_write_lock, |
3339 | 0 | error ) != 1 ) |
3340 | 0 | { |
3341 | 0 | libcerror_error_set( |
3342 | 0 | error, |
3343 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3344 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3345 | 0 | "%s: unable to grab read/write lock for reading.", |
3346 | 0 | function ); |
3347 | |
|
3348 | 0 | return( -1 ); |
3349 | 0 | } |
3350 | 0 | #endif |
3351 | 0 | *media_size = internal_file->io_handle->media_size; |
3352 | |
|
3353 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3354 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3355 | 0 | internal_file->read_write_lock, |
3356 | 0 | error ) != 1 ) |
3357 | 0 | { |
3358 | 0 | libcerror_error_set( |
3359 | 0 | error, |
3360 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3361 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3362 | 0 | "%s: unable to release read/write lock for reading.", |
3363 | 0 | function ); |
3364 | |
|
3365 | 0 | return( -1 ); |
3366 | 0 | } |
3367 | 0 | #endif |
3368 | 0 | return( 1 ); |
3369 | 0 | } |
3370 | | |
3371 | | /* Retrieves the number of bytes per sector |
3372 | | * Returns 1 if successful or -1 on error |
3373 | | */ |
3374 | | int libvhdi_file_get_bytes_per_sector( |
3375 | | libvhdi_file_t *file, |
3376 | | uint32_t *bytes_per_sector, |
3377 | | libcerror_error_t **error ) |
3378 | 0 | { |
3379 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3380 | 0 | static char *function = "libvhdi_file_get_bytes_per_sector"; |
3381 | |
|
3382 | 0 | if( file == NULL ) |
3383 | 0 | { |
3384 | 0 | libcerror_error_set( |
3385 | 0 | error, |
3386 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3387 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3388 | 0 | "%s: invalid file.", |
3389 | 0 | function ); |
3390 | |
|
3391 | 0 | return( -1 ); |
3392 | 0 | } |
3393 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3394 | |
|
3395 | 0 | if( internal_file->io_handle == NULL ) |
3396 | 0 | { |
3397 | 0 | libcerror_error_set( |
3398 | 0 | error, |
3399 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3400 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3401 | 0 | "%s: invalid file - missing IO handle.", |
3402 | 0 | function ); |
3403 | |
|
3404 | 0 | return( -1 ); |
3405 | 0 | } |
3406 | 0 | if( bytes_per_sector == NULL ) |
3407 | 0 | { |
3408 | 0 | libcerror_error_set( |
3409 | 0 | error, |
3410 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3411 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3412 | 0 | "%s: invalid bytes per sector.", |
3413 | 0 | function ); |
3414 | |
|
3415 | 0 | return( -1 ); |
3416 | 0 | } |
3417 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3418 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3419 | 0 | internal_file->read_write_lock, |
3420 | 0 | error ) != 1 ) |
3421 | 0 | { |
3422 | 0 | libcerror_error_set( |
3423 | 0 | error, |
3424 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3425 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3426 | 0 | "%s: unable to grab read/write lock for reading.", |
3427 | 0 | function ); |
3428 | |
|
3429 | 0 | return( -1 ); |
3430 | 0 | } |
3431 | 0 | #endif |
3432 | 0 | *bytes_per_sector = internal_file->io_handle->bytes_per_sector; |
3433 | |
|
3434 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3435 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3436 | 0 | internal_file->read_write_lock, |
3437 | 0 | error ) != 1 ) |
3438 | 0 | { |
3439 | 0 | libcerror_error_set( |
3440 | 0 | error, |
3441 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3442 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3443 | 0 | "%s: unable to release read/write lock for reading.", |
3444 | 0 | function ); |
3445 | |
|
3446 | 0 | return( -1 ); |
3447 | 0 | } |
3448 | 0 | #endif |
3449 | 0 | return( 1 ); |
3450 | 0 | } |
3451 | | |
3452 | | /* Retrieves the identifier |
3453 | | * The identifier is a big-endian GUID and is 16 bytes of size |
3454 | | * For VHDX this value is obtained from the data write identifier |
3455 | | * Returns 1 if successful or -1 on error |
3456 | | */ |
3457 | | int libvhdi_file_get_identifier( |
3458 | | libvhdi_file_t *file, |
3459 | | uint8_t *guid_data, |
3460 | | size_t guid_data_size, |
3461 | | libcerror_error_t **error ) |
3462 | 0 | { |
3463 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3464 | 0 | static char *function = "libvhdi_file_get_identifier"; |
3465 | 0 | int result = 0; |
3466 | |
|
3467 | 0 | if( file == NULL ) |
3468 | 0 | { |
3469 | 0 | libcerror_error_set( |
3470 | 0 | error, |
3471 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3472 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3473 | 0 | "%s: invalid file.", |
3474 | 0 | function ); |
3475 | |
|
3476 | 0 | return( -1 ); |
3477 | 0 | } |
3478 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3479 | |
|
3480 | 0 | if( internal_file->io_handle == NULL ) |
3481 | 0 | { |
3482 | 0 | libcerror_error_set( |
3483 | 0 | error, |
3484 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3485 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3486 | 0 | "%s: invalid file - missing IO handle.", |
3487 | 0 | function ); |
3488 | |
|
3489 | 0 | return( -1 ); |
3490 | 0 | } |
3491 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3492 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3493 | 0 | internal_file->read_write_lock, |
3494 | 0 | error ) != 1 ) |
3495 | 0 | { |
3496 | 0 | libcerror_error_set( |
3497 | 0 | error, |
3498 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3499 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3500 | 0 | "%s: unable to grab read/write lock for reading.", |
3501 | 0 | function ); |
3502 | |
|
3503 | 0 | return( -1 ); |
3504 | 0 | } |
3505 | 0 | #endif |
3506 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3507 | 0 | { |
3508 | 0 | result = libvhdi_image_header_get_data_write_identifier( |
3509 | 0 | internal_file->image_header, |
3510 | 0 | guid_data, |
3511 | 0 | guid_data_size, |
3512 | 0 | error ); |
3513 | 0 | } |
3514 | 0 | else |
3515 | 0 | { |
3516 | 0 | result = libvhdi_file_footer_get_identifier( |
3517 | 0 | internal_file->file_footer, |
3518 | 0 | guid_data, |
3519 | 0 | guid_data_size, |
3520 | 0 | error ); |
3521 | 0 | } |
3522 | 0 | if( result != 1 ) |
3523 | 0 | { |
3524 | 0 | libcerror_error_set( |
3525 | 0 | error, |
3526 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3527 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3528 | 0 | "%s: unable to retrieve identifier.", |
3529 | 0 | function ); |
3530 | |
|
3531 | 0 | result = -1; |
3532 | 0 | } |
3533 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3534 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3535 | 0 | internal_file->read_write_lock, |
3536 | 0 | error ) != 1 ) |
3537 | 0 | { |
3538 | 0 | libcerror_error_set( |
3539 | 0 | error, |
3540 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3541 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3542 | 0 | "%s: unable to release read/write lock for reading.", |
3543 | 0 | function ); |
3544 | |
|
3545 | 0 | return( -1 ); |
3546 | 0 | } |
3547 | 0 | #endif |
3548 | 0 | return( result ); |
3549 | 0 | } |
3550 | | |
3551 | | /* Retrieves the parent identifier |
3552 | | * The identifier is a big-endian GUID and is 16 bytes of size |
3553 | | * Returns 1 if successful, 0 if not available or -1 on error |
3554 | | */ |
3555 | | int libvhdi_file_get_parent_identifier( |
3556 | | libvhdi_file_t *file, |
3557 | | uint8_t *guid_data, |
3558 | | size_t guid_data_size, |
3559 | | libcerror_error_t **error ) |
3560 | 0 | { |
3561 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3562 | 0 | static char *function = "libvhdi_file_get_parent_identifier"; |
3563 | 0 | int result = 0; |
3564 | |
|
3565 | 0 | if( file == NULL ) |
3566 | 0 | { |
3567 | 0 | libcerror_error_set( |
3568 | 0 | error, |
3569 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3570 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3571 | 0 | "%s: invalid file.", |
3572 | 0 | function ); |
3573 | |
|
3574 | 0 | return( -1 ); |
3575 | 0 | } |
3576 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3577 | |
|
3578 | 0 | if( internal_file->io_handle == NULL ) |
3579 | 0 | { |
3580 | 0 | libcerror_error_set( |
3581 | 0 | error, |
3582 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3583 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3584 | 0 | "%s: invalid file - missing IO handle.", |
3585 | 0 | function ); |
3586 | |
|
3587 | 0 | return( -1 ); |
3588 | 0 | } |
3589 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
3590 | 0 | { |
3591 | 0 | return( 0 ); |
3592 | 0 | } |
3593 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3594 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3595 | 0 | internal_file->read_write_lock, |
3596 | 0 | error ) != 1 ) |
3597 | 0 | { |
3598 | 0 | libcerror_error_set( |
3599 | 0 | error, |
3600 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3601 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3602 | 0 | "%s: unable to grab read/write lock for reading.", |
3603 | 0 | function ); |
3604 | |
|
3605 | 0 | return( -1 ); |
3606 | 0 | } |
3607 | 0 | #endif |
3608 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3609 | 0 | { |
3610 | 0 | result = libvhdi_metadata_values_get_parent_identifier( |
3611 | 0 | internal_file->metadata_values, |
3612 | 0 | guid_data, |
3613 | 0 | guid_data_size, |
3614 | 0 | error ); |
3615 | 0 | } |
3616 | 0 | else |
3617 | 0 | { |
3618 | 0 | result = libvhdi_dynamic_disk_header_get_parent_identifier( |
3619 | 0 | internal_file->dynamic_disk_header, |
3620 | 0 | guid_data, |
3621 | 0 | guid_data_size, |
3622 | 0 | error ); |
3623 | 0 | } |
3624 | 0 | if( result != 1 ) |
3625 | 0 | { |
3626 | 0 | libcerror_error_set( |
3627 | 0 | error, |
3628 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3629 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3630 | 0 | "%s: unable to retrieve parent identifier.", |
3631 | 0 | function ); |
3632 | |
|
3633 | 0 | result = -1; |
3634 | 0 | } |
3635 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3636 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3637 | 0 | internal_file->read_write_lock, |
3638 | 0 | error ) != 1 ) |
3639 | 0 | { |
3640 | 0 | libcerror_error_set( |
3641 | 0 | error, |
3642 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3643 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3644 | 0 | "%s: unable to release read/write lock for reading.", |
3645 | 0 | function ); |
3646 | |
|
3647 | 0 | return( -1 ); |
3648 | 0 | } |
3649 | 0 | #endif |
3650 | 0 | return( result ); |
3651 | 0 | } |
3652 | | |
3653 | | /* Retrieves the size of the UTF-8 encoded parent filename |
3654 | | * The returned size includes the end of string character |
3655 | | * Returns 1 if successful, 0 if not available or -1 on error |
3656 | | */ |
3657 | | int libvhdi_file_get_utf8_parent_filename_size( |
3658 | | libvhdi_file_t *file, |
3659 | | size_t *utf8_string_size, |
3660 | | libcerror_error_t **error ) |
3661 | 0 | { |
3662 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3663 | 0 | static char *function = "libvhdi_file_get_utf8_parent_filename_size"; |
3664 | 0 | int result = 0; |
3665 | |
|
3666 | 0 | if( file == NULL ) |
3667 | 0 | { |
3668 | 0 | libcerror_error_set( |
3669 | 0 | error, |
3670 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3671 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3672 | 0 | "%s: invalid file.", |
3673 | 0 | function ); |
3674 | |
|
3675 | 0 | return( -1 ); |
3676 | 0 | } |
3677 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3678 | |
|
3679 | 0 | if( internal_file->io_handle == NULL ) |
3680 | 0 | { |
3681 | 0 | libcerror_error_set( |
3682 | 0 | error, |
3683 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3684 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3685 | 0 | "%s: invalid file - missing IO handle.", |
3686 | 0 | function ); |
3687 | |
|
3688 | 0 | return( -1 ); |
3689 | 0 | } |
3690 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
3691 | 0 | { |
3692 | 0 | return( 0 ); |
3693 | 0 | } |
3694 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3695 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3696 | 0 | internal_file->read_write_lock, |
3697 | 0 | error ) != 1 ) |
3698 | 0 | { |
3699 | 0 | libcerror_error_set( |
3700 | 0 | error, |
3701 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3702 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3703 | 0 | "%s: unable to grab read/write lock for reading.", |
3704 | 0 | function ); |
3705 | |
|
3706 | 0 | return( -1 ); |
3707 | 0 | } |
3708 | 0 | #endif |
3709 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3710 | 0 | { |
3711 | 0 | result = libvhdi_metadata_values_get_utf8_parent_filename_size( |
3712 | 0 | internal_file->metadata_values, |
3713 | 0 | utf8_string_size, |
3714 | 0 | error ); |
3715 | 0 | } |
3716 | 0 | else |
3717 | 0 | { |
3718 | 0 | result = libvhdi_dynamic_disk_header_get_utf8_parent_filename_size( |
3719 | 0 | internal_file->dynamic_disk_header, |
3720 | 0 | utf8_string_size, |
3721 | 0 | error ); |
3722 | 0 | } |
3723 | 0 | if( result == -1 ) |
3724 | 0 | { |
3725 | 0 | libcerror_error_set( |
3726 | 0 | error, |
3727 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3728 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3729 | 0 | "%s: unable to retrieve UTF-8 parent filename size.", |
3730 | 0 | function ); |
3731 | |
|
3732 | 0 | result = -1; |
3733 | 0 | } |
3734 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3735 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3736 | 0 | internal_file->read_write_lock, |
3737 | 0 | error ) != 1 ) |
3738 | 0 | { |
3739 | 0 | libcerror_error_set( |
3740 | 0 | error, |
3741 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3742 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3743 | 0 | "%s: unable to release read/write lock for reading.", |
3744 | 0 | function ); |
3745 | |
|
3746 | 0 | return( -1 ); |
3747 | 0 | } |
3748 | 0 | #endif |
3749 | 0 | return( result ); |
3750 | 0 | } |
3751 | | |
3752 | | /* Retrieves the UTF-8 encoded parent filename |
3753 | | * The size should include the end of string character |
3754 | | * Returns 1 if successful, 0 if not available or -1 on error |
3755 | | */ |
3756 | | int libvhdi_file_get_utf8_parent_filename( |
3757 | | libvhdi_file_t *file, |
3758 | | uint8_t *utf8_string, |
3759 | | size_t utf8_string_size, |
3760 | | libcerror_error_t **error ) |
3761 | 0 | { |
3762 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3763 | 0 | static char *function = "libvhdi_file_get_utf8_parent_filename"; |
3764 | 0 | int result = 0; |
3765 | |
|
3766 | 0 | if( file == NULL ) |
3767 | 0 | { |
3768 | 0 | libcerror_error_set( |
3769 | 0 | error, |
3770 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3771 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3772 | 0 | "%s: invalid file.", |
3773 | 0 | function ); |
3774 | |
|
3775 | 0 | return( -1 ); |
3776 | 0 | } |
3777 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3778 | |
|
3779 | 0 | if( internal_file->io_handle == NULL ) |
3780 | 0 | { |
3781 | 0 | libcerror_error_set( |
3782 | 0 | error, |
3783 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3784 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3785 | 0 | "%s: invalid file - missing IO handle.", |
3786 | 0 | function ); |
3787 | |
|
3788 | 0 | return( -1 ); |
3789 | 0 | } |
3790 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
3791 | 0 | { |
3792 | 0 | return( 0 ); |
3793 | 0 | } |
3794 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3795 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3796 | 0 | internal_file->read_write_lock, |
3797 | 0 | error ) != 1 ) |
3798 | 0 | { |
3799 | 0 | libcerror_error_set( |
3800 | 0 | error, |
3801 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3802 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3803 | 0 | "%s: unable to grab read/write lock for reading.", |
3804 | 0 | function ); |
3805 | |
|
3806 | 0 | return( -1 ); |
3807 | 0 | } |
3808 | 0 | #endif |
3809 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3810 | 0 | { |
3811 | 0 | result = libvhdi_metadata_values_get_utf8_parent_filename( |
3812 | 0 | internal_file->metadata_values, |
3813 | 0 | utf8_string, |
3814 | 0 | utf8_string_size, |
3815 | 0 | error ); |
3816 | 0 | } |
3817 | 0 | else |
3818 | 0 | { |
3819 | 0 | result = libvhdi_dynamic_disk_header_get_utf8_parent_filename( |
3820 | 0 | internal_file->dynamic_disk_header, |
3821 | 0 | utf8_string, |
3822 | 0 | utf8_string_size, |
3823 | 0 | error ); |
3824 | 0 | } |
3825 | 0 | if( result == -1 ) |
3826 | 0 | { |
3827 | 0 | libcerror_error_set( |
3828 | 0 | error, |
3829 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3830 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3831 | 0 | "%s: unable to retrieve UTF-8 parent filename.", |
3832 | 0 | function ); |
3833 | |
|
3834 | 0 | result = -1; |
3835 | 0 | } |
3836 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3837 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3838 | 0 | internal_file->read_write_lock, |
3839 | 0 | error ) != 1 ) |
3840 | 0 | { |
3841 | 0 | libcerror_error_set( |
3842 | 0 | error, |
3843 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3844 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3845 | 0 | "%s: unable to release read/write lock for reading.", |
3846 | 0 | function ); |
3847 | |
|
3848 | 0 | return( -1 ); |
3849 | 0 | } |
3850 | 0 | #endif |
3851 | 0 | return( result ); |
3852 | 0 | } |
3853 | | |
3854 | | /* Retrieves the size of the UTF-16 encoded parent filename |
3855 | | * The returned size includes the end of string character |
3856 | | * Returns 1 if successful, 0 if not available or -1 on error |
3857 | | */ |
3858 | | int libvhdi_file_get_utf16_parent_filename_size( |
3859 | | libvhdi_file_t *file, |
3860 | | size_t *utf16_string_size, |
3861 | | libcerror_error_t **error ) |
3862 | 0 | { |
3863 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3864 | 0 | static char *function = "libvhdi_file_get_utf16_parent_filename_size"; |
3865 | 0 | int result = 0; |
3866 | |
|
3867 | 0 | if( file == NULL ) |
3868 | 0 | { |
3869 | 0 | libcerror_error_set( |
3870 | 0 | error, |
3871 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3872 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3873 | 0 | "%s: invalid file.", |
3874 | 0 | function ); |
3875 | |
|
3876 | 0 | return( -1 ); |
3877 | 0 | } |
3878 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3879 | |
|
3880 | 0 | if( internal_file->io_handle == NULL ) |
3881 | 0 | { |
3882 | 0 | libcerror_error_set( |
3883 | 0 | error, |
3884 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3885 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3886 | 0 | "%s: invalid file - missing IO handle.", |
3887 | 0 | function ); |
3888 | |
|
3889 | 0 | return( -1 ); |
3890 | 0 | } |
3891 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
3892 | 0 | { |
3893 | 0 | return( 0 ); |
3894 | 0 | } |
3895 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3896 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3897 | 0 | internal_file->read_write_lock, |
3898 | 0 | error ) != 1 ) |
3899 | 0 | { |
3900 | 0 | libcerror_error_set( |
3901 | 0 | error, |
3902 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3903 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3904 | 0 | "%s: unable to grab read/write lock for reading.", |
3905 | 0 | function ); |
3906 | |
|
3907 | 0 | return( -1 ); |
3908 | 0 | } |
3909 | 0 | #endif |
3910 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
3911 | 0 | { |
3912 | 0 | result = libvhdi_metadata_values_get_utf16_parent_filename_size( |
3913 | 0 | internal_file->metadata_values, |
3914 | 0 | utf16_string_size, |
3915 | 0 | error ); |
3916 | 0 | } |
3917 | 0 | else |
3918 | 0 | { |
3919 | 0 | result = libvhdi_dynamic_disk_header_get_utf16_parent_filename_size( |
3920 | 0 | internal_file->dynamic_disk_header, |
3921 | 0 | utf16_string_size, |
3922 | 0 | error ); |
3923 | 0 | } |
3924 | 0 | if( result == -1 ) |
3925 | 0 | { |
3926 | 0 | libcerror_error_set( |
3927 | 0 | error, |
3928 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3929 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3930 | 0 | "%s: unable to retrieve UTF-16 parent filename size.", |
3931 | 0 | function ); |
3932 | |
|
3933 | 0 | result = -1; |
3934 | 0 | } |
3935 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3936 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3937 | 0 | internal_file->read_write_lock, |
3938 | 0 | error ) != 1 ) |
3939 | 0 | { |
3940 | 0 | libcerror_error_set( |
3941 | 0 | error, |
3942 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3943 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3944 | 0 | "%s: unable to release read/write lock for reading.", |
3945 | 0 | function ); |
3946 | |
|
3947 | 0 | return( -1 ); |
3948 | 0 | } |
3949 | 0 | #endif |
3950 | 0 | return( result ); |
3951 | 0 | } |
3952 | | |
3953 | | /* Retrieves the UTF-16 encoded parent filename |
3954 | | * The size should include the end of string character |
3955 | | * Returns 1 if successful, 0 if not available or -1 on error |
3956 | | */ |
3957 | | int libvhdi_file_get_utf16_parent_filename( |
3958 | | libvhdi_file_t *file, |
3959 | | uint16_t *utf16_string, |
3960 | | size_t utf16_string_size, |
3961 | | libcerror_error_t **error ) |
3962 | 0 | { |
3963 | 0 | libvhdi_internal_file_t *internal_file = NULL; |
3964 | 0 | static char *function = "libvhdi_file_get_utf16_parent_filename"; |
3965 | 0 | int result = 0; |
3966 | |
|
3967 | 0 | if( file == NULL ) |
3968 | 0 | { |
3969 | 0 | libcerror_error_set( |
3970 | 0 | error, |
3971 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3972 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3973 | 0 | "%s: invalid file.", |
3974 | 0 | function ); |
3975 | |
|
3976 | 0 | return( -1 ); |
3977 | 0 | } |
3978 | 0 | internal_file = (libvhdi_internal_file_t *) file; |
3979 | |
|
3980 | 0 | if( internal_file->io_handle == NULL ) |
3981 | 0 | { |
3982 | 0 | libcerror_error_set( |
3983 | 0 | error, |
3984 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3985 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3986 | 0 | "%s: invalid file - missing IO handle.", |
3987 | 0 | function ); |
3988 | |
|
3989 | 0 | return( -1 ); |
3990 | 0 | } |
3991 | 0 | if( internal_file->io_handle->disk_type != LIBVHDI_DISK_TYPE_DIFFERENTIAL ) |
3992 | 0 | { |
3993 | 0 | return( 0 ); |
3994 | 0 | } |
3995 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
3996 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3997 | 0 | internal_file->read_write_lock, |
3998 | 0 | error ) != 1 ) |
3999 | 0 | { |
4000 | 0 | libcerror_error_set( |
4001 | 0 | error, |
4002 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4003 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4004 | 0 | "%s: unable to grab read/write lock for reading.", |
4005 | 0 | function ); |
4006 | |
|
4007 | 0 | return( -1 ); |
4008 | 0 | } |
4009 | 0 | #endif |
4010 | 0 | if( internal_file->io_handle->file_type == LIBVHDI_FILE_TYPE_VHDX ) |
4011 | 0 | { |
4012 | 0 | result = libvhdi_metadata_values_get_utf16_parent_filename( |
4013 | 0 | internal_file->metadata_values, |
4014 | 0 | utf16_string, |
4015 | 0 | utf16_string_size, |
4016 | 0 | error ); |
4017 | 0 | } |
4018 | 0 | else |
4019 | 0 | { |
4020 | 0 | result = libvhdi_dynamic_disk_header_get_utf16_parent_filename( |
4021 | 0 | internal_file->dynamic_disk_header, |
4022 | 0 | utf16_string, |
4023 | 0 | utf16_string_size, |
4024 | 0 | error ); |
4025 | 0 | } |
4026 | 0 | if( result == -1 ) |
4027 | 0 | { |
4028 | 0 | libcerror_error_set( |
4029 | 0 | error, |
4030 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4031 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4032 | 0 | "%s: unable to retrieve UTF-16 parent filename.", |
4033 | 0 | function ); |
4034 | |
|
4035 | 0 | result = -1; |
4036 | 0 | } |
4037 | 0 | #if defined( HAVE_LIBVHDI_MULTI_THREAD_SUPPORT ) |
4038 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4039 | 0 | internal_file->read_write_lock, |
4040 | 0 | error ) != 1 ) |
4041 | 0 | { |
4042 | 0 | libcerror_error_set( |
4043 | 0 | error, |
4044 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4045 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4046 | 0 | "%s: unable to release read/write lock for reading.", |
4047 | 0 | function ); |
4048 | |
|
4049 | 0 | return( -1 ); |
4050 | 0 | } |
4051 | 0 | #endif |
4052 | 0 | return( result ); |
4053 | 0 | } |
4054 | | |